Merge branch 'master' of /home/davem/src/GIT/linux-2.6/

4501 files changed, 251528 insertions, 121780 deletions

diff --git a/.gitignore b/.gitignore
index de6344e15706..a2939fc10b22 100644
--- a/.gitignore
+++ b/.gitignore
@@ -34,13 +34,18 @@ modules.builtin
 #
 # Top-level generic files
 #
-tags
-TAGS
-vmlinux
-vmlinuz
-System.map
-Module.markers
-Module.symvers
+/tags
+/TAGS
+/linux
+/vmlinux
+/vmlinuz
+/System.map
+/Module.markers
+/Module.symvers
+
+#
+# git files that we don't want to ignore even it they are dot-files
+#
 !.gitignore
 !.mailmap
 
diff --git a/Documentation/ABI/stable/sysfs-devices-node b/Documentation/ABI/stable/sysfs-devices-node
new file mode 100644
index 000000000000..49b82cad7003
--- /dev/null
+++ b/Documentation/ABI/stable/sysfs-devices-node
@@ -0,0 +1,7 @@
+What:		/sys/devices/system/node/nodeX
+Date:		October 2002
+Contact:	Linux Memory Management list <linux-mm@kvack.org>
+Description:
+		When CONFIG_NUMA is enabled, this is a directory containing
+		information on node X such as what CPUs are local to the
+		node.
diff --git a/Documentation/ABI/testing/sysfs-bus-usb b/Documentation/ABI/testing/sysfs-bus-usb
index a07c0f366f91..bcebb9eaedce 100644
--- a/Documentation/ABI/testing/sysfs-bus-usb
+++ b/Documentation/ABI/testing/sysfs-bus-usb
@@ -159,3 +159,14 @@ Description:
 		device.  This is useful to ensure auto probing won't
 		match the driver to the device.  For example:
 		# echo "046d c315" > /sys/bus/usb/drivers/foo/remove_id
+
+What:		/sys/bus/usb/device/.../avoid_reset_quirk
+Date:		December 2009
+Contact:	Oliver Neukum <oliver@neukum.org>
+Description:
+		Writing 1 to this file tells the kernel that this
+		device will morph into another mode when it is reset.
+		Drivers will not use reset for error handling for
+		such devices.
+Users:
+		usb_modeswitch
diff --git a/Documentation/ABI/testing/sysfs-platform-asus-laptop b/Documentation/ABI/testing/sysfs-platform-asus-laptop
index a1cb660c50cf..1d775390e856 100644
--- a/Documentation/ABI/testing/sysfs-platform-asus-laptop
+++ b/Documentation/ABI/testing/sysfs-platform-asus-laptop
@@ -1,4 +1,4 @@
-What:		/sys/devices/platform/asus-laptop/display
+What:		/sys/devices/platform/asus_laptop/display
 Date:		January 2007
 KernelVersion:	2.6.20
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
@@ -13,7 +13,7 @@ Description:
 		Ex: - 0 (0000b) means no display
 		    - 3 (0011b) CRT+LCD.
 
-What:		/sys/devices/platform/asus-laptop/gps
+What:		/sys/devices/platform/asus_laptop/gps
 Date:		January 2007
 KernelVersion:	2.6.20
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
@@ -21,7 +21,7 @@ Description:
 		Control the gps device. 1 means on, 0 means off.
 Users:		Lapsus
 
-What:		/sys/devices/platform/asus-laptop/ledd
+What:		/sys/devices/platform/asus_laptop/ledd
 Date:		January 2007
 KernelVersion:	2.6.20
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
@@ -29,11 +29,11 @@ Description:
 		Some models like the W1N have a LED display that can be
 		used to display several informations.
 		To control the LED display, use the following :
-		    echo 0x0T000DDD > /sys/devices/platform/asus-laptop/
+		    echo 0x0T000DDD > /sys/devices/platform/asus_laptop/
 		where T control the 3 letters display, and DDD the 3 digits display.
 		The DDD table can be found in Documentation/laptops/asus-laptop.txt
 
-What:		/sys/devices/platform/asus-laptop/bluetooth
+What:		/sys/devices/platform/asus_laptop/bluetooth
 Date:		January 2007
 KernelVersion:	2.6.20
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
@@ -42,7 +42,7 @@ Description:
 		This may control the led, the device or both.
 Users:		Lapsus
 
-What:		/sys/devices/platform/asus-laptop/wlan
+What:		/sys/devices/platform/asus_laptop/wlan
 Date:		January 2007
 KernelVersion:	2.6.20
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
diff --git a/Documentation/ABI/testing/sysfs-platform-eeepc-laptop b/Documentation/ABI/testing/sysfs-platform-eeepc-laptop
index 7445dfb321b5..5b026c69587a 100644
--- a/Documentation/ABI/testing/sysfs-platform-eeepc-laptop
+++ b/Documentation/ABI/testing/sysfs-platform-eeepc-laptop
@@ -1,4 +1,4 @@
-What:		/sys/devices/platform/eeepc-laptop/disp
+What:		/sys/devices/platform/eeepc/disp
 Date:		May 2008
 KernelVersion:	2.6.26
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
@@ -9,21 +9,21 @@ Description:
 		- 3 = LCD+CRT
 		If you run X11, you should use xrandr instead.
 
-What:		/sys/devices/platform/eeepc-laptop/camera
+What:		/sys/devices/platform/eeepc/camera
 Date:		May 2008
 KernelVersion:	2.6.26
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
 Description:
 		Control the camera. 1 means on, 0 means off.
 
-What:		/sys/devices/platform/eeepc-laptop/cardr
+What:		/sys/devices/platform/eeepc/cardr
 Date:		May 2008
 KernelVersion:	2.6.26
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
 Description:
 		Control the card reader. 1 means on, 0 means off.
 
-What:		/sys/devices/platform/eeepc-laptop/cpufv
+What:		/sys/devices/platform/eeepc/cpufv
 Date:		Jun 2009
 KernelVersion:	2.6.31
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
@@ -42,7 +42,7 @@ Description:
 		    `------------ Availables modes
 		For example, 0x301 means: mode 1 selected, 3 available modes.
 
-What:		/sys/devices/platform/eeepc-laptop/available_cpufv
+What:		/sys/devices/platform/eeepc/available_cpufv
 Date:		Jun 2009
 KernelVersion:	2.6.31
 Contact:	"Corentin Chary" <corentincj@iksaif.net>
diff --git a/Documentation/PCI/PCI-DMA-mapping.txt b/Documentation/DMA-API-HOWTO.txt
index ecad88d9fe59..52618ab069ad 100644
--- a/Documentation/PCI/PCI-DMA-mapping.txt
+++ b/Documentation/DMA-API-HOWTO.txt
@@ -1,12 +1,12 @@
-			Dynamic DMA mapping
-			===================
+		     Dynamic DMA mapping Guide
+		     =========================
 
 		 David S. Miller <davem@redhat.com>
 		 Richard Henderson <rth@cygnus.com>
 		  Jakub Jelinek <jakub@redhat.com>
 
-This document describes the DMA mapping system in terms of the pci_
-API.  For a similar API that works for generic devices, see
+This is a guide to device driver writers on how to use the DMA API
+with example pseudo-code.  For a concise description of the API, see
 DMA-API.txt.
 
 Most of the 64bit platforms have special hardware that translates bus
@@ -26,12 +26,15 @@ mapped only for the time they are actually used and unmapped after the DMA
 transfer.
 
 The following API will work of course even on platforms where no such
-hardware exists, see e.g. arch/x86/include/asm/pci.h for how it is implemented on
-top of the virt_to_bus interface.
+hardware exists.
+
+Note that the DMA API works with any bus independent of the underlying
+microprocessor architecture. You should use the DMA API rather than
+the bus specific DMA API (e.g. pci_dma_*).
 
 First of all, you should make sure
 
-#include <linux/pci.h>
+#include <linux/dma-mapping.h>
 
 is in your driver. This file will obtain for you the definition of the
 dma_addr_t (which can hold any valid DMA address for the platform)
@@ -78,44 +81,43 @@ for you to DMA from/to.
 			DMA addressing limitations
 
 Does your device have any DMA addressing limitations?  For example, is
-your device only capable of driving the low order 24-bits of address
-on the PCI bus for SAC DMA transfers?  If so, you need to inform the
-PCI layer of this fact.
+your device only capable of driving the low order 24-bits of address?
+If so, you need to inform the kernel of this fact.
 
 By default, the kernel assumes that your device can address the full
-32-bits in a SAC cycle.  For a 64-bit DAC capable device, this needs
-to be increased.  And for a device with limitations, as discussed in
-the previous paragraph, it needs to be decreased.
-
-pci_alloc_consistent() by default will return 32-bit DMA addresses.
-PCI-X specification requires PCI-X devices to support 64-bit
-addressing (DAC) for all transactions. And at least one platform (SGI
-SN2) requires 64-bit consistent allocations to operate correctly when
-the IO bus is in PCI-X mode. Therefore, like with pci_set_dma_mask(),
-it's good practice to call pci_set_consistent_dma_mask() to set the
-appropriate mask even if your device only supports 32-bit DMA
-(default) and especially if it's a PCI-X device.
-
-For correct operation, you must interrogate the PCI layer in your
-device probe routine to see if the PCI controller on the machine can
-properly support the DMA addressing limitation your device has.  It is
-good style to do this even if your device holds the default setting,
+32-bits.  For a 64-bit capable device, this needs to be increased.
+And for a device with limitations, as discussed in the previous
+paragraph, it needs to be decreased.
+
+Special note about PCI: PCI-X specification requires PCI-X devices to
+support 64-bit addressing (DAC) for all transactions.  And at least
+one platform (SGI SN2) requires 64-bit consistent allocations to
+operate correctly when the IO bus is in PCI-X mode.
+
+For correct operation, you must interrogate the kernel in your device
+probe routine to see if the DMA controller on the machine can properly
+support the DMA addressing limitation your device has.  It is good
+style to do this even if your device holds the default setting,
 because this shows that you did think about these issues wrt. your
 device.
 
-The query is performed via a call to pci_set_dma_mask():
+The query is performed via a call to dma_set_mask():
 
-	int pci_set_dma_mask(struct pci_dev *pdev, u64 device_mask);
+	int dma_set_mask(struct device *dev, u64 mask);
 
 The query for consistent allocations is performed via a call to
-pci_set_consistent_dma_mask():
+dma_set_coherent_mask():
 
-	int pci_set_consistent_dma_mask(struct pci_dev *pdev, u64 device_mask);
+	int dma_set_coherent_mask(struct device *dev, u64 mask);
 
-Here, pdev is a pointer to the PCI device struct of your device, and
-device_mask is a bit mask describing which bits of a PCI address your
-device supports.  It returns zero if your card can perform DMA
-properly on the machine given the address mask you provided.
+Here, dev is a pointer to the device struct of your device, and mask
+is a bit mask describing which bits of an address your device
+supports.  It returns zero if your card can perform DMA properly on
+the machine given the address mask you provided.  In general, the
+device struct of your device is embedded in the bus specific device
+struct of your device.  For example, a pointer to the device struct of
+your PCI device is pdev->dev (pdev is a pointer to the PCI device
+struct of your device).
 
 If it returns non-zero, your device cannot perform DMA properly on
 this platform, and attempting to do so will result in undefined
@@ -133,31 +135,30 @@ of your driver reports that performance is bad or that the device is not
 even detected, you can ask them for the kernel messages to find out
 exactly why.
 
-The standard 32-bit addressing PCI device would do something like
-this:
+The standard 32-bit addressing device would do something like this:
 
-	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
+	if (dma_set_mask(dev, DMA_BIT_MASK(32))) {
 		printk(KERN_WARNING
 		       "mydev: No suitable DMA available.\n");
 		goto ignore_this_device;
 	}
 
-Another common scenario is a 64-bit capable device.  The approach
-here is to try for 64-bit DAC addressing, but back down to a
-32-bit mask should that fail.  The PCI platform code may fail the
-64-bit mask not because the platform is not capable of 64-bit
-addressing.  Rather, it may fail in this case simply because
-32-bit SAC addressing is done more efficiently than DAC addressing.
-Sparc64 is one platform which behaves in this way.
+Another common scenario is a 64-bit capable device.  The approach here
+is to try for 64-bit addressing, but back down to a 32-bit mask that
+should not fail.  The kernel may fail the 64-bit mask not because the
+platform is not capable of 64-bit addressing.  Rather, it may fail in
+this case simply because 32-bit addressing is done more efficiently
+than 64-bit addressing.  For example, Sparc64 PCI SAC addressing is
+more efficient than DAC addressing.
 
 Here is how you would handle a 64-bit capable device which can drive
 all 64-bits when accessing streaming DMA:
 
 	int using_dac;
 
-	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
+	if (!dma_set_mask(dev, DMA_BIT_MASK(64))) {
 		using_dac = 1;
-	} else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
+	} else if (!dma_set_mask(dev, DMA_BIT_MASK(32))) {
 		using_dac = 0;
 	} else {
 		printk(KERN_WARNING
@@ -170,36 +171,36 @@ the case would look like this:
 
 	int using_dac, consistent_using_dac;
 
-	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
+	if (!dma_set_mask(dev, DMA_BIT_MASK(64))) {
 		using_dac = 1;
 	   	consistent_using_dac = 1;
-		pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
-	} else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
+		dma_set_coherent_mask(dev, DMA_BIT_MASK(64));
+	} else if (!dma_set_mask(dev, DMA_BIT_MASK(32))) {
 		using_dac = 0;
 		consistent_using_dac = 0;
-		pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
+		dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
 	} else {
 		printk(KERN_WARNING
 		       "mydev: No suitable DMA available.\n");
 		goto ignore_this_device;
 	}
 
-pci_set_consistent_dma_mask() will always be able to set the same or a
-smaller mask as pci_set_dma_mask(). However for the rare case that a
+dma_set_coherent_mask() will always be able to set the same or a
+smaller mask as dma_set_mask(). However for the rare case that a
 device driver only uses consistent allocations, one would have to
-check the return value from pci_set_consistent_dma_mask().
+check the return value from dma_set_coherent_mask().
 
 Finally, if your device can only drive the low 24-bits of
-address during PCI bus mastering you might do something like:
+address you might do something like:
 
-	if (pci_set_dma_mask(pdev, DMA_BIT_MASK(24))) {
+	if (dma_set_mask(dev, DMA_BIT_MASK(24))) {
 		printk(KERN_WARNING
 		       "mydev: 24-bit DMA addressing not available.\n");
 		goto ignore_this_device;
 	}
 
-When pci_set_dma_mask() is successful, and returns zero, the PCI layer
-saves away this mask you have provided.  The PCI layer will use this
+When dma_set_mask() is successful, and returns zero, the kernel saves
+away this mask you have provided.  The kernel will use this
 information later when you make DMA mappings.
 
 There is a case which we are aware of at this time, which is worth
@@ -208,7 +209,7 @@ functions (for example a sound card provides playback and record
 functions) and the various different functions have _different_
 DMA addressing limitations, you may wish to probe each mask and
 only provide the functionality which the machine can handle.  It
-is important that the last call to pci_set_dma_mask() be for the
+is important that the last call to dma_set_mask() be for the
 most specific mask.
 
 Here is pseudo-code showing how this might be done:
@@ -217,17 +218,17 @@ Here is pseudo-code showing how this might be done:
 	#define RECORD_ADDRESS_BITS	DMA_BIT_MASK(24)
 
 	struct my_sound_card *card;
-	struct pci_dev *pdev;
+	struct device *dev;
 
 	...
-	if (!pci_set_dma_mask(pdev, PLAYBACK_ADDRESS_BITS)) {
+	if (!dma_set_mask(dev, PLAYBACK_ADDRESS_BITS)) {
 		card->playback_enabled = 1;
 	} else {
 		card->playback_enabled = 0;
 		printk(KERN_WARNING "%s: Playback disabled due to DMA limitations.\n",
 		       card->name);
 	}
-	if (!pci_set_dma_mask(pdev, RECORD_ADDRESS_BITS)) {
+	if (!dma_set_mask(dev, RECORD_ADDRESS_BITS)) {
 		card->record_enabled = 1;
 	} else {
 		card->record_enabled = 0;
@@ -252,8 +253,8 @@ There are two types of DMA mappings:
   Think of "consistent" as "synchronous" or "coherent".
 
   The current default is to return consistent memory in the low 32
-  bits of the PCI bus space.  However, for future compatibility you
-  should set the consistent mask even if this default is fine for your
+  bits of the bus space.  However, for future compatibility you should
+  set the consistent mask even if this default is fine for your
   driver.
 
   Good examples of what to use consistent mappings for are:
@@ -285,9 +286,9 @@ There are two types of DMA mappings:
 	     found in PCI bridges (such as by reading a register's value
 	     after writing it).
 
-- Streaming DMA mappings which are usually mapped for one DMA transfer,
-  unmapped right after it (unless you use pci_dma_sync_* below) and for which
-  hardware can optimize for sequential accesses.
+- Streaming DMA mappings which are usually mapped for one DMA
+  transfer, unmapped right after it (unless you use dma_sync_* below)
+  and for which hardware can optimize for sequential accesses.
 
   This of "streaming" as "asynchronous" or "outside the coherency
   domain".
@@ -302,8 +303,8 @@ There are two types of DMA mappings:
   optimizations the hardware allows.  To this end, when using
   such mappings you must be explicit about what you want to happen.
 
-Neither type of DMA mapping has alignment restrictions that come
-from PCI, although some devices may have such restrictions.
+Neither type of DMA mapping has alignment restrictions that come from
+the underlying bus, although some devices may have such restrictions.
 Also, systems with caches that aren't DMA-coherent will work better
 when the underlying buffers don't share cache lines with other data.
 
@@ -315,33 +316,27 @@ you should do:
 
 	dma_addr_t dma_handle;
 
-	cpu_addr = pci_alloc_consistent(pdev, size, &dma_handle);
-
-where pdev is a struct pci_dev *. This may be called in interrupt context.
-You should use dma_alloc_coherent (see DMA-API.txt) for buses
-where devices don't have struct pci_dev (like ISA, EISA).
+	cpu_addr = dma_alloc_coherent(dev, size, &dma_handle, gfp);
 
-This argument is needed because the DMA translations may be bus
-specific (and often is private to the bus which the device is attached
-to).
+where device is a struct device *. This may be called in interrupt
+context with the GFP_ATOMIC flag.
 
 Size is the length of the region you want to allocate, in bytes.
 
 This routine will allocate RAM for that region, so it acts similarly to
 __get_free_pages (but takes size instead of a page order).  If your
 driver needs regions sized smaller than a page, you may prefer using
-the pci_pool interface, described below.
-
-The consistent DMA mapping interfaces, for non-NULL pdev, will by
-default return a DMA address which is SAC (Single Address Cycle)
-addressable.  Even if the device indicates (via PCI dma mask) that it
-may address the upper 32-bits and thus perform DAC cycles, consistent
-allocation will only return > 32-bit PCI addresses for DMA if the
-consistent dma mask has been explicitly changed via
-pci_set_consistent_dma_mask().  This is true of the pci_pool interface
-as well.
-
-pci_alloc_consistent returns two values: the virtual address which you
+the dma_pool interface, described below.
+
+The consistent DMA mapping interfaces, for non-NULL dev, will by
+default return a DMA address which is 32-bit addressable.  Even if the
+device indicates (via DMA mask) that it may address the upper 32-bits,
+consistent allocation will only return > 32-bit addresses for DMA if
+the consistent DMA mask has been explicitly changed via
+dma_set_coherent_mask().  This is true of the dma_pool interface as
+well.
+
+dma_alloc_coherent returns two values: the virtual address which you
 can use to access it from the CPU and dma_handle which you pass to the
 card.
 
@@ -354,54 +349,54 @@ buffer you receive will not cross a 64K boundary.
 
 To unmap and free such a DMA region, you call:
 
-	pci_free_consistent(pdev, size, cpu_addr, dma_handle);
+	dma_free_coherent(dev, size, cpu_addr, dma_handle);
 
-where pdev, size are the same as in the above call and cpu_addr and
-dma_handle are the values pci_alloc_consistent returned to you.
+where dev, size are the same as in the above call and cpu_addr and
+dma_handle are the values dma_alloc_coherent returned to you.
 This function may not be called in interrupt context.
 
 If your driver needs lots of smaller memory regions, you can write
-custom code to subdivide pages returned by pci_alloc_consistent,
-or you can use the pci_pool API to do that.  A pci_pool is like
-a kmem_cache, but it uses pci_alloc_consistent not __get_free_pages.
+custom code to subdivide pages returned by dma_alloc_coherent,
+or you can use the dma_pool API to do that.  A dma_pool is like
+a kmem_cache, but it uses dma_alloc_coherent not __get_free_pages.
 Also, it understands common hardware constraints for alignment,
 like queue heads needing to be aligned on N byte boundaries.
 
-Create a pci_pool like this:
+Create a dma_pool like this:
 
-	struct pci_pool *pool;
+	struct dma_pool *pool;
 
-	pool = pci_pool_create(name, pdev, size, align, alloc);
+	pool = dma_pool_create(name, dev, size, align, alloc);
 
-The "name" is for diagnostics (like a kmem_cache name); pdev and size
+The "name" is for diagnostics (like a kmem_cache name); dev and size
 are as above.  The device's hardware alignment requirement for this
 type of data is "align" (which is expressed in bytes, and must be a
 power of two).  If your device has no boundary crossing restrictions,
 pass 0 for alloc; passing 4096 says memory allocated from this pool
 must not cross 4KByte boundaries (but at that time it may be better to
-go for pci_alloc_consistent directly instead).
+go for dma_alloc_coherent directly instead).
 
-Allocate memory from a pci pool like this:
+Allocate memory from a dma pool like this:
 
-	cpu_addr = pci_pool_alloc(pool, flags, &dma_handle);
+	cpu_addr = dma_pool_alloc(pool, flags, &dma_handle);
 
 flags are SLAB_KERNEL if blocking is permitted (not in_interrupt nor
-holding SMP locks), SLAB_ATOMIC otherwise.  Like pci_alloc_consistent,
+holding SMP locks), SLAB_ATOMIC otherwise.  Like dma_alloc_coherent,
 this returns two values, cpu_addr and dma_handle.
 
-Free memory that was allocated from a pci_pool like this:
+Free memory that was allocated from a dma_pool like this:
 
-	pci_pool_free(pool, cpu_addr, dma_handle);
+	dma_pool_free(pool, cpu_addr, dma_handle);
 
-where pool is what you passed to pci_pool_alloc, and cpu_addr and
-dma_handle are the values pci_pool_alloc returned. This function
+where pool is what you passed to dma_pool_alloc, and cpu_addr and
+dma_handle are the values dma_pool_alloc returned. This function
 may be called in interrupt context.
 
-Destroy a pci_pool by calling:
+Destroy a dma_pool by calling:
 
-	pci_pool_destroy(pool);
+	dma_pool_destroy(pool);
 
-Make sure you've called pci_pool_free for all memory allocated
+Make sure you've called dma_pool_free for all memory allocated
 from a pool before you destroy the pool. This function may not
 be called in interrupt context.
 
@@ -411,15 +406,15 @@ The interfaces described in subsequent portions of this document
 take a DMA direction argument, which is an integer and takes on
 one of the following values:
 
- PCI_DMA_BIDIRECTIONAL
- PCI_DMA_TODEVICE
- PCI_DMA_FROMDEVICE
- PCI_DMA_NONE
+ DMA_BIDIRECTIONAL
+ DMA_TO_DEVICE
+ DMA_FROM_DEVICE
+ DMA_NONE
 
 One should provide the exact DMA direction if you know it.
 
-PCI_DMA_TODEVICE means "from main memory to the PCI device"
-PCI_DMA_FROMDEVICE means "from the PCI device to main memory"
+DMA_TO_DEVICE means "from main memory to the device"
+DMA_FROM_DEVICE means "from the device to main memory"
 It is the direction in which the data moves during the DMA
 transfer.
 
@@ -427,12 +422,12 @@ You are _strongly_ encouraged to specify this as precisely
 as you possibly can.
 
 If you absolutely cannot know the direction of the DMA transfer,
-specify PCI_DMA_BIDIRECTIONAL.  It means that the DMA can go in
+specify DMA_BIDIRECTIONAL.  It means that the DMA can go in
 either direction.  The platform guarantees that you may legally
 specify this, and that it will work, but this may be at the
 cost of performance for example.
 
-The value PCI_DMA_NONE is to be used for debugging.  One can
+The value DMA_NONE is to be used for debugging.  One can
 hold this in a data structure before you come to know the
 precise direction, and this will help catch cases where your
 direction tracking logic has failed to set things up properly.
@@ -442,21 +437,21 @@ potential platform-specific optimizations of such) is for debugging.
 Some platforms actually have a write permission boolean which DMA
 mappings can be marked with, much like page protections in the user
 program address space.  Such platforms can and do report errors in the
-kernel logs when the PCI controller hardware detects violation of the
+kernel logs when the DMA controller hardware detects violation of the
 permission setting.
 
 Only streaming mappings specify a direction, consistent mappings
 implicitly have a direction attribute setting of
-PCI_DMA_BIDIRECTIONAL.
+DMA_BIDIRECTIONAL.
 
 The SCSI subsystem tells you the direction to use in the
 'sc_data_direction' member of the SCSI command your driver is
 working on.
 
 For Networking drivers, it's a rather simple affair.  For transmit
-packets, map/unmap them with the PCI_DMA_TODEVICE direction
+packets, map/unmap them with the DMA_TO_DEVICE direction
 specifier.  For receive packets, just the opposite, map/unmap them
-with the PCI_DMA_FROMDEVICE direction specifier.
+with the DMA_FROM_DEVICE direction specifier.
 
 		  Using Streaming DMA mappings
 
@@ -467,43 +462,43 @@ scatterlist.
 
 To map a single region, you do:
 
-	struct pci_dev *pdev = mydev->pdev;
+	struct device *dev = &my_dev->dev;
 	dma_addr_t dma_handle;
 	void *addr = buffer->ptr;
 	size_t size = buffer->len;
 
-	dma_handle = pci_map_single(pdev, addr, size, direction);
+	dma_handle = dma_map_single(dev, addr, size, direction);
 
 and to unmap it:
 
-	pci_unmap_single(pdev, dma_handle, size, direction);
+	dma_unmap_single(dev, dma_handle, size, direction);
 
-You should call pci_unmap_single when the DMA activity is finished, e.g.
+You should call dma_unmap_single when the DMA activity is finished, e.g.
 from the interrupt which told you that the DMA transfer is done.
 
 Using cpu pointers like this for single mappings has a disadvantage,
 you cannot reference HIGHMEM memory in this way.  Thus, there is a
-map/unmap interface pair akin to pci_{map,unmap}_single.  These
+map/unmap interface pair akin to dma_{map,unmap}_single.  These
 interfaces deal with page/offset pairs instead of cpu pointers.
 Specifically:
 
-	struct pci_dev *pdev = mydev->pdev;
+	struct device *dev = &my_dev->dev;
 	dma_addr_t dma_handle;
 	struct page *page = buffer->page;
 	unsigned long offset = buffer->offset;
 	size_t size = buffer->len;
 
-	dma_handle = pci_map_page(pdev, page, offset, size, direction);
+	dma_handle = dma_map_page(dev, page, offset, size, direction);
 
 	...
 
-	pci_unmap_page(pdev, dma_handle, size, direction);
+	dma_unmap_page(dev, dma_handle, size, direction);
 
 Here, "offset" means byte offset within the given page.
 
 With scatterlists, you map a region gathered from several regions by:
 
-	int i, count = pci_map_sg(pdev, sglist, nents, direction);
+	int i, count = dma_map_sg(dev, sglist, nents, direction);
 	struct scatterlist *sg;
 
 	for_each_sg(sglist, sg, count, i) {
@@ -527,16 +522,16 @@ accessed sg->address and sg->length as shown above.
 
 To unmap a scatterlist, just call:
 
-	pci_unmap_sg(pdev, sglist, nents, direction);
+	dma_unmap_sg(dev, sglist, nents, direction);
 
 Again, make sure DMA activity has already finished.
 
-PLEASE NOTE:  The 'nents' argument to the pci_unmap_sg call must be
-              the _same_ one you passed into the pci_map_sg call,
+PLEASE NOTE:  The 'nents' argument to the dma_unmap_sg call must be
+              the _same_ one you passed into the dma_map_sg call,
 	      it should _NOT_ be the 'count' value _returned_ from the
-              pci_map_sg call.
+              dma_map_sg call.
 
-Every pci_map_{single,sg} call should have its pci_unmap_{single,sg}
+Every dma_map_{single,sg} call should have its dma_unmap_{single,sg}
 counterpart, because the bus address space is a shared resource (although
 in some ports the mapping is per each BUS so less devices contend for the
 same bus address space) and you could render the machine unusable by eating
@@ -547,14 +542,14 @@ the data in between the DMA transfers, the buffer needs to be synced
 properly in order for the cpu and device to see the most uptodate and
 correct copy of the DMA buffer.
 
-So, firstly, just map it with pci_map_{single,sg}, and after each DMA
+So, firstly, just map it with dma_map_{single,sg}, and after each DMA
 transfer call either:
 
-	pci_dma_sync_single_for_cpu(pdev, dma_handle, size, direction);
+	dma_sync_single_for_cpu(dev, dma_handle, size, direction);
 
 or:
 
-	pci_dma_sync_sg_for_cpu(pdev, sglist, nents, direction);
+	dma_sync_sg_for_cpu(dev, sglist, nents, direction);
 
 as appropriate.
 
@@ -562,27 +557,27 @@ Then, if you wish to let the device get at the DMA area again,
 finish accessing the data with the cpu, and then before actually
 giving the buffer to the hardware call either:
 
-	pci_dma_sync_single_for_device(pdev, dma_handle, size, direction);
+	dma_sync_single_for_device(dev, dma_handle, size, direction);
 
 or:
 
-	pci_dma_sync_sg_for_device(dev, sglist, nents, direction);
+	dma_sync_sg_for_device(dev, sglist, nents, direction);
 
 as appropriate.
 
 After the last DMA transfer call one of the DMA unmap routines
-pci_unmap_{single,sg}. If you don't touch the data from the first pci_map_*
-call till pci_unmap_*, then you don't have to call the pci_dma_sync_*
+dma_unmap_{single,sg}. If you don't touch the data from the first dma_map_*
+call till dma_unmap_*, then you don't have to call the dma_sync_*
 routines at all.
 
 Here is pseudo code which shows a situation in which you would need
-to use the pci_dma_sync_*() interfaces.
+to use the dma_sync_*() interfaces.
 
 	my_card_setup_receive_buffer(struct my_card *cp, char *buffer, int len)
 	{
 		dma_addr_t mapping;
 
-		mapping = pci_map_single(cp->pdev, buffer, len, PCI_DMA_FROMDEVICE);
+		mapping = dma_map_single(cp->dev, buffer, len, DMA_FROM_DEVICE);
 
 		cp->rx_buf = buffer;
 		cp->rx_len = len;
@@ -606,25 +601,25 @@ to use the pci_dma_sync_*() interfaces.
 			 * the DMA transfer with the CPU first
 			 * so that we see updated contents.
 			 */
-			pci_dma_sync_single_for_cpu(cp->pdev, cp->rx_dma,
-						    cp->rx_len,
-						    PCI_DMA_FROMDEVICE);
+			dma_sync_single_for_cpu(&cp->dev, cp->rx_dma,
+						cp->rx_len,
+						DMA_FROM_DEVICE);
 
 			/* Now it is safe to examine the buffer. */
 			hp = (struct my_card_header *) cp->rx_buf;
 			if (header_is_ok(hp)) {
-				pci_unmap_single(cp->pdev, cp->rx_dma, cp->rx_len,
-						 PCI_DMA_FROMDEVICE);
+				dma_unmap_single(&cp->dev, cp->rx_dma, cp->rx_len,
+						 DMA_FROM_DEVICE);
 				pass_to_upper_layers(cp->rx_buf);
 				make_and_setup_new_rx_buf(cp);
 			} else {
 				/* Just sync the buffer and give it back
 				 * to the card.
 				 */
-				pci_dma_sync_single_for_device(cp->pdev,
-							       cp->rx_dma,
-							       cp->rx_len,
-							       PCI_DMA_FROMDEVICE);
+				dma_sync_single_for_device(&cp->dev,
+							   cp->rx_dma,
+							   cp->rx_len,
+							   DMA_FROM_DEVICE);
 				give_rx_buf_to_card(cp);
 			}
 		}
@@ -634,19 +629,19 @@ Drivers converted fully to this interface should not use virt_to_bus any
 longer, nor should they use bus_to_virt. Some drivers have to be changed a
 little bit, because there is no longer an equivalent to bus_to_virt in the
 dynamic DMA mapping scheme - you have to always store the DMA addresses
-returned by the pci_alloc_consistent, pci_pool_alloc, and pci_map_single
-calls (pci_map_sg stores them in the scatterlist itself if the platform
+returned by the dma_alloc_coherent, dma_pool_alloc, and dma_map_single
+calls (dma_map_sg stores them in the scatterlist itself if the platform
 supports dynamic DMA mapping in hardware) in your driver structures and/or
 in the card registers.
 
-All PCI drivers should be using these interfaces with no exceptions.
-It is planned to completely remove virt_to_bus() and bus_to_virt() as
+All drivers should be using these interfaces with no exceptions.  It
+is planned to completely remove virt_to_bus() and bus_to_virt() as
 they are entirely deprecated.  Some ports already do not provide these
 as it is impossible to correctly support them.
 
 		Optimizing Unmap State Space Consumption
 
-On many platforms, pci_unmap_{single,page}() is simply a nop.
+On many platforms, dma_unmap_{single,page}() is simply a nop.
 Therefore, keeping track of the mapping address and length is a waste
 of space.  Instead of filling your drivers up with ifdefs and the like
 to "work around" this (which would defeat the whole purpose of a
@@ -655,7 +650,7 @@ portable API) the following facilities are provided.
 Actually, instead of describing the macros one by one, we'll
 transform some example code.
 
-1) Use DECLARE_PCI_UNMAP_{ADDR,LEN} in state saving structures.
+1) Use DEFINE_DMA_UNMAP_{ADDR,LEN} in state saving structures.
    Example, before:
 
 	struct ring_state {
@@ -668,14 +663,11 @@ transform some example code.
 
 	struct ring_state {
 		struct sk_buff *skb;
-		DECLARE_PCI_UNMAP_ADDR(mapping)
-		DECLARE_PCI_UNMAP_LEN(len)
+		DEFINE_DMA_UNMAP_ADDR(mapping);
+		DEFINE_DMA_UNMAP_LEN(len);
 	};
 
-   NOTE: DO NOT put a semicolon at the end of the DECLARE_*()
-         macro.
-
-2) Use pci_unmap_{addr,len}_set to set these values.
+2) Use dma_unmap_{addr,len}_set to set these values.
    Example, before:
 
 	ringp->mapping = FOO;
@@ -683,21 +675,21 @@ transform some example code.
 
    after:
 
-	pci_unmap_addr_set(ringp, mapping, FOO);
-	pci_unmap_len_set(ringp, len, BAR);
+	dma_unmap_addr_set(ringp, mapping, FOO);
+	dma_unmap_len_set(ringp, len, BAR);
 
-3) Use pci_unmap_{addr,len} to access these values.
+3) Use dma_unmap_{addr,len} to access these values.
    Example, before:
 
-	pci_unmap_single(pdev, ringp->mapping, ringp->len,
-			 PCI_DMA_FROMDEVICE);
+	dma_unmap_single(dev, ringp->mapping, ringp->len,
+			 DMA_FROM_DEVICE);
 
    after:
 
-	pci_unmap_single(pdev,
-			 pci_unmap_addr(ringp, mapping),
-			 pci_unmap_len(ringp, len),
-			 PCI_DMA_FROMDEVICE);
+	dma_unmap_single(dev,
+			 dma_unmap_addr(ringp, mapping),
+			 dma_unmap_len(ringp, len),
+			 DMA_FROM_DEVICE);
 
 It really should be self-explanatory.  We treat the ADDR and LEN
 separately, because it is possible for an implementation to only
@@ -732,15 +724,15 @@ to "Closing".
 DMA address space is limited on some architectures and an allocation
 failure can be determined by:
 
-- checking if pci_alloc_consistent returns NULL or pci_map_sg returns 0
+- checking if dma_alloc_coherent returns NULL or dma_map_sg returns 0
 
-- checking the returned dma_addr_t of pci_map_single and pci_map_page
-  by using pci_dma_mapping_error():
+- checking the returned dma_addr_t of dma_map_single and dma_map_page
+  by using dma_mapping_error():
 
 	dma_addr_t dma_handle;
 
-	dma_handle = pci_map_single(pdev, addr, size, direction);
-	if (pci_dma_mapping_error(pdev, dma_handle)) {
+	dma_handle = dma_map_single(dev, addr, size, direction);
+	if (dma_mapping_error(dev, dma_handle)) {
 		/*
 		 * reduce current DMA mapping usage,
 		 * delay and try again later or
diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt
index 5aceb88b3f8b..05e2ae236865 100644
--- a/Documentation/DMA-API.txt
+++ b/Documentation/DMA-API.txt
@@ -4,20 +4,18 @@
         James E.J. Bottomley <James.Bottomley@HansenPartnership.com>
 
 This document describes the DMA API.  For a more gentle introduction
-phrased in terms of the pci_ equivalents (and actual examples) see
-Documentation/PCI/PCI-DMA-mapping.txt.
+of the API (and actual examples) see
+Documentation/DMA-API-HOWTO.txt.
 
-This API is split into two pieces.  Part I describes the API and the
-corresponding pci_ API.  Part II describes the extensions to the API
-for supporting non-consistent memory machines.  Unless you know that
-your driver absolutely has to support non-consistent platforms (this
-is usually only legacy platforms) you should only use the API
-described in part I.
+This API is split into two pieces.  Part I describes the API.  Part II
+describes the extensions to the API for supporting non-consistent
+memory machines.  Unless you know that your driver absolutely has to
+support non-consistent platforms (this is usually only legacy
+platforms) you should only use the API described in part I.
 
-Part I - pci_ and dma_ Equivalent API 
+Part I - dma_ API
 -------------------------------------
 
-To get the pci_ API, you must #include <linux/pci.h>
 To get the dma_ API, you must #include <linux/dma-mapping.h>
 
 
@@ -27,9 +25,6 @@ Part Ia - Using large dma-coherent buffers
 void *
 dma_alloc_coherent(struct device *dev, size_t size,
 			     dma_addr_t *dma_handle, gfp_t flag)
-void *
-pci_alloc_consistent(struct pci_dev *dev, size_t size,
-			     dma_addr_t *dma_handle)
 
 Consistent memory is memory for which a write by either the device or
 the processor can immediately be read by the processor or device
@@ -53,15 +48,11 @@ The simplest way to do that is to use the dma_pool calls (see below).
 The flag parameter (dma_alloc_coherent only) allows the caller to
 specify the GFP_ flags (see kmalloc) for the allocation (the
 implementation may choose to ignore flags that affect the location of
-the returned memory, like GFP_DMA).  For pci_alloc_consistent, you
-must assume GFP_ATOMIC behaviour.
+the returned memory, like GFP_DMA).
 
 void
 dma_free_coherent(struct device *dev, size_t size, void *cpu_addr,
 			   dma_addr_t dma_handle)
-void
-pci_free_consistent(struct pci_dev *dev, size_t size, void *cpu_addr,
-			   dma_addr_t dma_handle)
 
 Free the region of consistent memory you previously allocated.  dev,
 size and dma_handle must all be the same as those passed into the
@@ -89,10 +80,6 @@ for alignment, like queue heads needing to be aligned on N-byte boundaries.
 	dma_pool_create(const char *name, struct device *dev,
 			size_t size, size_t align, size_t alloc);
 
-	struct pci_pool *
-	pci_pool_create(const char *name, struct pci_device *dev,
-			size_t size, size_t align, size_t alloc);
-
 The pool create() routines initialize a pool of dma-coherent buffers
 for use with a given device.  It must be called in a context which
 can sleep.
@@ -108,9 +95,6 @@ from this pool must not cross 4KByte boundaries.
 	void *dma_pool_alloc(struct dma_pool *pool, gfp_t gfp_flags,
 			dma_addr_t *dma_handle);
 
-	void *pci_pool_alloc(struct pci_pool *pool, gfp_t gfp_flags,
-			dma_addr_t *dma_handle);
-
 This allocates memory from the pool; the returned memory will meet the size
 and alignment requirements specified at creation time.  Pass GFP_ATOMIC to
 prevent blocking, or if it's permitted (not in_interrupt, not holding SMP locks),
@@ -122,9 +106,6 @@ pool's device.
 	void dma_pool_free(struct dma_pool *pool, void *vaddr,
 			dma_addr_t addr);
 
-	void pci_pool_free(struct pci_pool *pool, void *vaddr,
-			dma_addr_t addr);
-
 This puts memory back into the pool.  The pool is what was passed to
 the pool allocation routine; the cpu (vaddr) and dma addresses are what
 were returned when that routine allocated the memory being freed.
@@ -132,8 +113,6 @@ were returned when that routine allocated the memory being freed.
 
 	void dma_pool_destroy(struct dma_pool *pool);
 
-	void pci_pool_destroy(struct pci_pool *pool);
-
 The pool destroy() routines free the resources of the pool.  They must be
 called in a context which can sleep.  Make sure you've freed all allocated
 memory back to the pool before you destroy it.
@@ -144,8 +123,6 @@ Part Ic - DMA addressing limitations
 
 int
 dma_supported(struct device *dev, u64 mask)
-int
-pci_dma_supported(struct pci_dev *hwdev, u64 mask)
 
 Checks to see if the device can support DMA to the memory described by
 mask.
@@ -159,8 +136,14 @@ driver writers.
 
 int
 dma_set_mask(struct device *dev, u64 mask)
+
+Checks to see if the mask is possible and updates the device
+parameters if it is.
+
+Returns: 0 if successful and a negative error if not.
+
 int
-pci_set_dma_mask(struct pci_device *dev, u64 mask)
+dma_set_coherent_mask(struct device *dev, u64 mask)
 
 Checks to see if the mask is possible and updates the device
 parameters if it is.
@@ -187,9 +170,6 @@ Part Id - Streaming DMA mappings
 dma_addr_t
 dma_map_single(struct device *dev, void *cpu_addr, size_t size,
 		      enum dma_data_direction direction)
-dma_addr_t
-pci_map_single(struct pci_dev *hwdev, void *cpu_addr, size_t size,
-		      int direction)
 
 Maps a piece of processor virtual memory so it can be accessed by the
 device and returns the physical handle of the memory.
@@ -198,14 +178,10 @@ The direction for both api's may be converted freely by casting.
 However the dma_ API uses a strongly typed enumerator for its
 direction:
 
-DMA_NONE		= PCI_DMA_NONE		no direction (used for
-						debugging)
-DMA_TO_DEVICE		= PCI_DMA_TODEVICE	data is going from the
-						memory to the device
-DMA_FROM_DEVICE		= PCI_DMA_FROMDEVICE	data is coming from
-						the device to the
-						memory
-DMA_BIDIRECTIONAL	= PCI_DMA_BIDIRECTIONAL	direction isn't known
+DMA_NONE		no direction (used for debugging)
+DMA_TO_DEVICE		data is going from the memory to the device
+DMA_FROM_DEVICE		data is coming from the device to the memory
+DMA_BIDIRECTIONAL	direction isn't known
 
 Notes:  Not all memory regions in a machine can be mapped by this
 API.  Further, regions that appear to be physically contiguous in
@@ -268,9 +244,6 @@ cache lines are updated with data that the device may have changed).
 void
 dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
 		 enum dma_data_direction direction)
-void
-pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
-		 size_t size, int direction)
 
 Unmaps the region previously mapped.  All the parameters passed in
 must be identical to those passed in (and returned) by the mapping
@@ -280,15 +253,9 @@ dma_addr_t
 dma_map_page(struct device *dev, struct page *page,
 		    unsigned long offset, size_t size,
 		    enum dma_data_direction direction)
-dma_addr_t
-pci_map_page(struct pci_dev *hwdev, struct page *page,
-		    unsigned long offset, size_t size, int direction)
 void
 dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
 	       enum dma_data_direction direction)
-void
-pci_unmap_page(struct pci_dev *hwdev, dma_addr_t dma_address,
-	       size_t size, int direction)
 
 API for mapping and unmapping for pages.  All the notes and warnings
 for the other mapping APIs apply here.  Also, although the <offset>
@@ -299,9 +266,6 @@ cache width is.
 int
 dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 
-int
-pci_dma_mapping_error(struct pci_dev *hwdev, dma_addr_t dma_addr)
-
 In some circumstances dma_map_single and dma_map_page will fail to create
 a mapping. A driver can check for these errors by testing the returned
 dma address with dma_mapping_error(). A non-zero return value means the mapping
@@ -311,9 +275,6 @@ reduce current DMA mapping usage or delay and try again later).
 	int
 	dma_map_sg(struct device *dev, struct scatterlist *sg,
 		int nents, enum dma_data_direction direction)
-	int
-	pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
-		int nents, int direction)
 
 Returns: the number of physical segments mapped (this may be shorter
 than <nents> passed in if some elements of the scatter/gather list are
@@ -353,9 +314,6 @@ accessed sg->address and sg->length as shown above.
 	void
 	dma_unmap_sg(struct device *dev, struct scatterlist *sg,
 		int nhwentries, enum dma_data_direction direction)
-	void
-	pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
-		int nents, int direction)
 
 Unmap the previously mapped scatter/gather list.  All the parameters
 must be the same as those and passed in to the scatter/gather mapping
@@ -365,21 +323,23 @@ Note: <nents> must be the number you passed in, *not* the number of
 physical entries returned.
 
 void
-dma_sync_single(struct device *dev, dma_addr_t dma_handle, size_t size,
-		enum dma_data_direction direction)
+dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle, size_t size,
+			enum dma_data_direction direction)
 void
-pci_dma_sync_single(struct pci_dev *hwdev, dma_addr_t dma_handle,
-			   size_t size, int direction)
+dma_sync_single_for_device(struct device *dev, dma_addr_t dma_handle, size_t size,
+			   enum dma_data_direction direction)
 void
-dma_sync_sg(struct device *dev, struct scatterlist *sg, int nelems,
-			  enum dma_data_direction direction)
+dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
+		    enum dma_data_direction direction)
 void
-pci_dma_sync_sg(struct pci_dev *hwdev, struct scatterlist *sg,
-		       int nelems, int direction)
+dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nelems,
+		       enum dma_data_direction direction)
 
-Synchronise a single contiguous or scatter/gather mapping.  All the
-parameters must be the same as those passed into the single mapping
-API.
+Synchronise a single contiguous or scatter/gather mapping for the cpu
+and device. With the sync_sg API, all the parameters must be the same
+as those passed into the single mapping API. With the sync_single API,
+you can use dma_handle and size parameters that aren't identical to
+those passed into the single mapping API to do a partial sync.
 
 Notes:  You must do this:
 
@@ -461,9 +421,9 @@ void whizco_dma_map_sg_attrs(struct device *dev, dma_addr_t dma_addr,
 Part II - Advanced dma_ usage
 -----------------------------
 
-Warning: These pieces of the DMA API have no PCI equivalent.  They
-should also not be used in the majority of cases, since they cater for
-unlikely corner cases that don't belong in usual drivers.
+Warning: These pieces of the DMA API should not be used in the
+majority of cases, since they cater for unlikely corner cases that
+don't belong in usual drivers.
 
 If you don't understand how cache line coherency works between a
 processor and an I/O device, you should not be using this part of the
@@ -514,16 +474,6 @@ into the width returned by this call.  It will also always be a power
 of two for easy alignment.
 
 void
-dma_sync_single_range(struct device *dev, dma_addr_t dma_handle,
-		      unsigned long offset, size_t size,
-		      enum dma_data_direction direction)
-
-Does a partial sync, starting at offset and continuing for size.  You
-must be careful to observe the cache alignment and width when doing
-anything like this.  You must also be extra careful about accessing
-memory you intend to sync partially.
-
-void
 dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 	       enum dma_data_direction direction)
 
diff --git a/Documentation/DocBook/device-drivers.tmpl b/Documentation/DocBook/device-drivers.tmpl
index f9a6e2c75f12..1b2dd4fc3db2 100644
--- a/Documentation/DocBook/device-drivers.tmpl
+++ b/Documentation/DocBook/device-drivers.tmpl
@@ -45,7 +45,7 @@
      </sect1>
 
      <sect1><title>Atomic and pointer manipulation</title>
-!Iarch/x86/include/asm/atomic_32.h
+!Iarch/x86/include/asm/atomic.h
 !Iarch/x86/include/asm/unaligned.h
      </sect1>
 
diff --git a/Documentation/DocBook/deviceiobook.tmpl b/Documentation/DocBook/deviceiobook.tmpl
index 3ed88126ab8f..c1ed6a49e598 100644
--- a/Documentation/DocBook/deviceiobook.tmpl
+++ b/Documentation/DocBook/deviceiobook.tmpl
@@ -316,7 +316,7 @@ CPU B:  spin_unlock_irqrestore(&amp;dev_lock, flags)
 
   <chapter id="pubfunctions">
      <title>Public Functions Provided</title>
-!Iarch/x86/include/asm/io_32.h
+!Iarch/x86/include/asm/io.h
 !Elib/iomap.c
   </chapter>
 
diff --git a/Documentation/DocBook/mtdnand.tmpl b/Documentation/DocBook/mtdnand.tmpl
index 5e7d84b48505..133cd6c3f3c1 100644
--- a/Documentation/DocBook/mtdnand.tmpl
+++ b/Documentation/DocBook/mtdnand.tmpl
@@ -488,7 +488,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip)
 				The ECC bytes must be placed immidiately after the data
 				bytes in order to make the syndrome generator work. This
 				is contrary to the usual layout used by software ECC. The
-				seperation of data and out of band area is not longer
+				separation of data and out of band area is not longer
 				possible. The nand driver code handles this layout and
 				the remaining free bytes in the oob area are managed by 
 				the autoplacement code. Provide a matching oob-layout
@@ -560,7 +560,7 @@ static void board_select_chip (struct mtd_info *mtd, int chip)
 				bad blocks. They have factory marked good blocks. The marker pattern
 				is erased when the block is erased to be reused. So in case of
 				powerloss before writing the pattern back to the chip this block 
-				would be lost and added to the bad blocks. Therefor we scan the 
+				would be lost and added to the bad blocks. Therefore we scan the 
 				chip(s) when we detect them the first time for good blocks and 
 				store this information in a bad block table before erasing any 
 				of the blocks.
@@ -1094,7 +1094,7 @@ in this page</entry>
 		manufacturers specifications. This applies similar to the spare area. 
 	</para>
 	<para>
-		Therefor NAND aware filesystems must either write in page size chunks
+		Therefore NAND aware filesystems must either write in page size chunks
 		or hold a writebuffer to collect smaller writes until they sum up to 
 		pagesize. Available NAND aware filesystems: JFFS2, YAFFS. 		
 	</para>
diff --git a/Documentation/DocBook/v4l/common.xml b/Documentation/DocBook/v4l/common.xml
index c65f0ac9b6ee..cea23e1c4fc6 100644
--- a/Documentation/DocBook/v4l/common.xml
+++ b/Documentation/DocBook/v4l/common.xml
@@ -1170,7 +1170,7 @@ frames per second. If less than this number of frames is to be
 captured or output, applications can request frame skipping or
 duplicating on the driver side. This is especially useful when using
 the &func-read; or &func-write;, which are not augmented by timestamps
-or sequence counters, and to avoid unneccessary data copying.</para>
+or sequence counters, and to avoid unnecessary data copying.</para>
 
     <para>Finally these ioctls can be used to determine the number of
 buffers used internally by a driver in read/write mode. For
diff --git a/Documentation/DocBook/v4l/vidioc-g-parm.xml b/Documentation/DocBook/v4l/vidioc-g-parm.xml
index 78332d365ce9..392aa9e5571e 100644
--- a/Documentation/DocBook/v4l/vidioc-g-parm.xml
+++ b/Documentation/DocBook/v4l/vidioc-g-parm.xml
@@ -55,7 +55,7 @@ captured or output, applications can request frame skipping or
 duplicating on the driver side. This is especially useful when using
 the <function>read()</function> or <function>write()</function>, which
 are not augmented by timestamps or sequence counters, and to avoid
-unneccessary data copying.</para>
+unnecessary data copying.</para>
 
     <para>Further these ioctls can be used to determine the number of
 buffers used internally by a driver in read/write mode. For
diff --git a/Documentation/HOWTO b/Documentation/HOWTO
index 8495fc970391..f5395af88a41 100644
--- a/Documentation/HOWTO
+++ b/Documentation/HOWTO
@@ -221,8 +221,8 @@ branches.  These different branches are:
   - main 2.6.x kernel tree
   - 2.6.x.y -stable kernel tree
   - 2.6.x -git kernel patches
-  - 2.6.x -mm kernel patches
   - subsystem specific kernel trees and patches
+  - the 2.6.x -next kernel tree for integration tests
 
 2.6.x kernel tree
 -----------------
@@ -232,7 +232,7 @@ process is as follows:
   - As soon as a new kernel is released a two weeks window is open,
     during this period of time maintainers can submit big diffs to
     Linus, usually the patches that have already been included in the
-    -mm kernel for a few weeks.  The preferred way to submit big changes
+    -next kernel for a few weeks.  The preferred way to submit big changes
     is using git (the kernel's source management tool, more information
     can be found at http://git.or.cz/) but plain patches are also just
     fine.
@@ -293,84 +293,43 @@ daily and represent the current state of Linus' tree.  They are more
 experimental than -rc kernels since they are generated automatically
 without even a cursory glance to see if they are sane.
 
-2.6.x -mm kernel patches
-------------------------
-These are experimental kernel patches released by Andrew Morton.  Andrew
-takes all of the different subsystem kernel trees and patches and mushes
-them together, along with a lot of patches that have been plucked from
-the linux-kernel mailing list.  This tree serves as a proving ground for
-new features and patches.  Once a patch has proved its worth in -mm for
-a while Andrew or the subsystem maintainer pushes it on to Linus for
-inclusion in mainline.
-
-It is heavily encouraged that all new patches get tested in the -mm tree
-before they are sent to Linus for inclusion in the main kernel tree.  Code
-which does not make an appearance in -mm before the opening of the merge
-window will prove hard to merge into the mainline.
-
-These kernels are not appropriate for use on systems that are supposed
-to be stable and they are more risky to run than any of the other
-branches.
-
-If you wish to help out with the kernel development process, please test
-and use these kernel releases and provide feedback to the linux-kernel
-mailing list if you have any problems, and if everything works properly.
-
-In addition to all the other experimental patches, these kernels usually
-also contain any changes in the mainline -git kernels available at the
-time of release.
-
-The -mm kernels are not released on a fixed schedule, but usually a few
--mm kernels are released in between each -rc kernel (1 to 3 is common).
-
 Subsystem Specific kernel trees and patches
 -------------------------------------------
-A number of the different kernel subsystem developers expose their
-development trees so that others can see what is happening in the
-different areas of the kernel.  These trees are pulled into the -mm
-kernel releases as described above.
-
-Here is a list of some of the different kernel trees available:
-  git trees:
-    - Kbuild development tree, Sam Ravnborg <sam@ravnborg.org>
-	git.kernel.org:/pub/scm/linux/kernel/git/sam/kbuild.git
-
-    - ACPI development tree, Len Brown <len.brown@intel.com>
-	git.kernel.org:/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6.git
-
-    - Block development tree, Jens Axboe <jens.axboe@oracle.com>
-	git.kernel.org:/pub/scm/linux/kernel/git/axboe/linux-2.6-block.git
-
-    - DRM development tree, Dave Airlie <airlied@linux.ie>
-	git.kernel.org:/pub/scm/linux/kernel/git/airlied/drm-2.6.git
-
-    - ia64 development tree, Tony Luck <tony.luck@intel.com>
-	git.kernel.org:/pub/scm/linux/kernel/git/aegl/linux-2.6.git
-
-    - infiniband, Roland Dreier <rolandd@cisco.com>
-	git.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git
-
-    - libata, Jeff Garzik <jgarzik@pobox.com>
-	git.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev.git
-
-    - network drivers, Jeff Garzik <jgarzik@pobox.com>
-	git.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6.git
-
-    - pcmcia, Dominik Brodowski <linux@dominikbrodowski.net>
-	git.kernel.org:/pub/scm/linux/kernel/git/brodo/pcmcia-2.6.git
-
-    - SCSI, James Bottomley <James.Bottomley@hansenpartnership.com>
-	git.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6.git
-
-    - x86, Ingo Molnar <mingo@elte.hu>
-	git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git
-
-  quilt trees:
-    - USB, Driver Core, and I2C, Greg Kroah-Hartman <gregkh@suse.de>
-	kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/
+The maintainers of the various kernel subsystems --- and also many
+kernel subsystem developers --- expose their current state of
+development in source repositories.  That way, others can see what is
+happening in the different areas of the kernel.  In areas where
+development is rapid, a developer may be asked to base his submissions
+onto such a subsystem kernel tree so that conflicts between the
+submission and other already ongoing work are avoided.
+
+Most of these repositories are git trees, but there are also other SCMs
+in use, or patch queues being published as quilt series.  Addresses of
+these subsystem repositories are listed in the MAINTAINERS file.  Many
+of them can be browsed at http://git.kernel.org/.
+
+Before a proposed patch is committed to such a subsystem tree, it is
+subject to review which primarily happens on mailing lists (see the
+respective section below).  For several kernel subsystems, this review
+process is tracked with the tool patchwork.  Patchwork offers a web
+interface which shows patch postings, any comments on a patch or
+revisions to it, and maintainers can mark patches as under review,
+accepted, or rejected.  Most of these patchwork sites are listed at
+http://patchwork.kernel.org/ or http://patchwork.ozlabs.org/.
+
+2.6.x -next kernel tree for integration tests
+---------------------------------------------
+Before updates from subsystem trees are merged into the mainline 2.6.x
+tree, they need to be integration-tested.  For this purpose, a special
+testing repository exists into which virtually all subsystem trees are
+pulled on an almost daily basis:
+	http://git.kernel.org/?p=linux/kernel/git/sfr/linux-next.git
+	http://linux.f-seidel.de/linux-next/pmwiki/
+
+This way, the -next kernel gives a summary outlook onto what will be
+expected to go into the mainline kernel at the next merge period.
+Adventurous testers are very welcome to runtime-test the -next kernel.
 
-  Other kernel trees can be found listed at http://git.kernel.org/ and in
-  the MAINTAINERS file.
 
 Bug Reporting
 -------------
diff --git a/Documentation/IPMI.txt b/Documentation/IPMI.txt
index bc38283379f0..69dd29ed824e 100644
--- a/Documentation/IPMI.txt
+++ b/Documentation/IPMI.txt
@@ -365,6 +365,7 @@ You can change this at module load time (for a module) with:
        regshifts=<shift1>,<shift2>,...
        slave_addrs=<addr1>,<addr2>,...
        force_kipmid=<enable1>,<enable2>,...
+       kipmid_max_busy_us=<ustime1>,<ustime2>,...
        unload_when_empty=[0|1]
 
 Each of these except si_trydefaults is a list, the first item for the
@@ -433,6 +434,7 @@ kernel command line as:
        ipmi_si.regshifts=<shift1>,<shift2>,...
        ipmi_si.slave_addrs=<addr1>,<addr2>,...
        ipmi_si.force_kipmid=<enable1>,<enable2>,...
+       ipmi_si.kipmid_max_busy_us=<ustime1>,<ustime2>,...
 
 It works the same as the module parameters of the same names.
 
@@ -450,6 +452,16 @@ force this thread on or off.  If you force it off and don't have
 interrupts, the driver will run VERY slowly.  Don't blame me,
 these interfaces suck.
 
+Unfortunately, this thread can use a lot of CPU depending on the
+interface's performance.  This can waste a lot of CPU and cause
+various issues with detecting idle CPU and using extra power.  To
+avoid this, the kipmid_max_busy_us sets the maximum amount of time, in
+microseconds, that kipmid will spin before sleeping for a tick.  This
+value sets a balance between performance and CPU waste and needs to be
+tuned to your needs.  Maybe, someday, auto-tuning will be added, but
+that's not a simple thing and even the auto-tuning would need to be
+tuned to the user's desired performance.
+
 The driver supports a hot add and remove of interfaces.  This way,
 interfaces can be added or removed after the kernel is up and running.
 This is done using /sys/modules/ipmi_si/parameters/hotmod, which is a
diff --git a/Documentation/Makefile b/Documentation/Makefile
index 94b945733534..6fc7ea1d1f9d 100644
--- a/Documentation/Makefile
+++ b/Documentation/Makefile
@@ -1,3 +1,3 @@
 obj-m := DocBook/ accounting/ auxdisplay/ connector/ \
-	filesystems/configfs/ ia64/ networking/ \
-	pcmcia/ spi/ video4linux/ vm/ watchdog/src/
+	filesystems/ filesystems/configfs/ ia64/ laptops/ networking/ \
+	pcmcia/ spi/ timers/ video4linux/ vm/ watchdog/src/
diff --git a/Documentation/SubmitChecklist b/Documentation/SubmitChecklist
index 1053a56be3b1..8916ca48bc95 100644
--- a/Documentation/SubmitChecklist
+++ b/Documentation/SubmitChecklist
@@ -9,10 +9,14 @@ Documentation/SubmittingPatches and elsewhere regarding submitting Linux
 kernel patches.
 
 
-1: Builds cleanly with applicable or modified CONFIG options =y, =m, and
+1: If you use a facility then #include the file that defines/declares
+   that facility.  Don't depend on other header files pulling in ones
+   that you use.
+
+2: Builds cleanly with applicable or modified CONFIG options =y, =m, and
    =n.  No gcc warnings/errors, no linker warnings/errors.
 
-2: Passes allnoconfig, allmodconfig
+2b: Passes allnoconfig, allmodconfig
 
 3: Builds on multiple CPU architectures by using local cross-compile tools
    or some other build farm.
diff --git a/Documentation/arm/Samsung-S3C24XX/CPUfreq.txt b/Documentation/arm/Samsung-S3C24XX/CPUfreq.txt
index 76b3a11e90be..fa968aa99d67 100644
--- a/Documentation/arm/Samsung-S3C24XX/CPUfreq.txt
+++ b/Documentation/arm/Samsung-S3C24XX/CPUfreq.txt
@@ -14,8 +14,8 @@ Introduction
  how the clocks are arranged. The first implementation used as single
  PLL to feed the ARM, memory and peripherals via a series of dividers
  and muxes and this is the implementation that is documented here. A
- newer version where there is a seperate PLL and clock divider for the
- ARM core is available as a seperate driver.
+ newer version where there is a separate PLL and clock divider for the
+ ARM core is available as a separate driver.
 
 
 Layout
diff --git a/Documentation/arm/Samsung/Overview.txt b/Documentation/arm/Samsung/Overview.txt
new file mode 100644
index 000000000000..7cced1fea9c3
--- /dev/null
+++ b/Documentation/arm/Samsung/Overview.txt
@@ -0,0 +1,86 @@
+		Samsung ARM Linux Overview
+		==========================
+
+Introduction
+------------
+
+  The Samsung range of ARM SoCs spans many similar devices, from the initial
+  ARM9 through to the newest ARM cores. This document shows an overview of
+  the current kernel support, how to use it and where to find the code
+  that supports this.
+
+  The currently supported SoCs are:
+
+  - S3C24XX: See Documentation/arm/Samsung-S3C24XX/Overview.txt for full list
+  - S3C64XX: S3C6400 and S3C6410
+  - S5PC6440
+
+  S5PC100 and S5PC110 support is currently being merged
+
+
+S3C24XX Systems
+---------------
+
+  There is still documentation in Documnetation/arm/Samsung-S3C24XX/ which
+  deals with the architecture and drivers specific to these devices.
+
+  See Documentation/arm/Samsung-S3C24XX/Overview.txt for more information
+  on the implementation details and specific support.
+
+
+Configuration
+-------------
+
+  A number of configurations are supplied, as there is no current way of
+  unifying all the SoCs into one kernel.
+
+  s5p6440_defconfig - S5P6440 specific default configuration
+  s5pc100_defconfig - S5PC100 specific default configuration
+
+
+Layout
+------
+
+  The directory layout is currently being restructured, and consists of
+  several platform directories and then the machine specific directories
+  of the CPUs being built for.
+
+  plat-samsung provides the base for all the implementations, and is the
+  last in the line of include directories that are processed for the build
+  specific information. It contains the base clock, GPIO and device definitions
+  to get the system running.
+
+  plat-s3c is the s3c24xx/s3c64xx platform directory, although it is currently
+  involved in other builds this will be phased out once the relevant code is
+  moved elsewhere.
+
+  plat-s3c24xx is for s3c24xx specific builds, see the S3C24XX docs.
+
+  plat-s3c64xx is for the s3c64xx specific bits, see the S3C24XX docs.
+
+  plat-s5p is for s5p specific builds, more to be added.
+
+
+  [ to finish ]
+
+
+Port Contributors
+-----------------
+
+  Ben Dooks (BJD)
+  Vincent Sanders
+  Herbert Potzl
+  Arnaud Patard (RTP)
+  Roc Wu
+  Klaus Fetscher
+  Dimitry Andric
+  Shannon Holland
+  Guillaume Gourat (NexVision)
+  Christer Weinigel (wingel) (Acer N30)
+  Lucas Correia Villa Real (S3C2400 port)
+
+
+Document Author
+---------------
+
+Copyright 2009-2010 Ben Dooks <ben-linux@fluff.org>
diff --git a/Documentation/arm/Samsung/clksrc-change-registers.awk b/Documentation/arm/Samsung/clksrc-change-registers.awk
new file mode 100755
index 000000000000..0c50220851fb
--- /dev/null
+++ b/Documentation/arm/Samsung/clksrc-change-registers.awk
@@ -0,0 +1,167 @@
+#!/usr/bin/awk -f
+#
+# Copyright 2010 Ben Dooks <ben-linux@fluff.org>
+#
+# Released under GPLv2
+
+# example usage
+# ./clksrc-change-registers.awk arch/arm/plat-s5pc1xx/include/plat/regs-clock.h < src > dst
+
+function extract_value(s)
+{
+    eqat = index(s, "=")
+    comat = index(s, ",")
+    return substr(s, eqat+2, (comat-eqat)-2)
+}
+
+function remove_brackets(b)
+{
+    return substr(b, 2, length(b)-2)
+}
+
+function splitdefine(l, p)
+{
+    r = split(l, tp)
+
+    p[0] = tp[2]
+    p[1] = remove_brackets(tp[3])
+}
+
+function find_length(f)
+{
+    if (0)
+	printf "find_length " f "\n" > "/dev/stderr"
+
+    if (f ~ /0x1/)
+	return 1
+    else if (f ~ /0x3/)
+	return 2
+    else if (f ~ /0x7/)
+	return 3
+    else if (f ~ /0xf/)
+	return 4
+
+    printf "unknown legnth " f "\n" > "/dev/stderr"
+    exit
+}
+
+function find_shift(s)
+{
+    id = index(s, "<")
+    if (id <= 0) {
+	printf "cannot find shift " s "\n" > "/dev/stderr"
+	exit
+    }
+
+    return substr(s, id+2)
+}
+
+
+BEGIN {
+    if (ARGC < 2) {
+	print "too few arguments" > "/dev/stderr"
+	exit
+    }
+
+# read the header file and find the mask values that we will need
+# to replace and create an associative array of values
+
+    while (getline line < ARGV[1] > 0) {
+	if (line ~ /\#define.*_MASK/ &&
+	    !(line ~ /S5PC100_EPLL_MASK/) &&
+	    !(line ~ /USB_SIG_MASK/)) {
+	    splitdefine(line, fields)
+	    name = fields[0]
+	    if (0)
+		printf "MASK " line "\n" > "/dev/stderr"
+	    dmask[name,0] = find_length(fields[1])
+	    dmask[name,1] = find_shift(fields[1])
+	    if (0)
+		printf "=> '" name "' LENGTH=" dmask[name,0] " SHIFT=" dmask[name,1] "\n" > "/dev/stderr"
+	} else {
+	}
+    }
+
+    delete ARGV[1]
+}
+
+/clksrc_clk.*=.*{/ {
+    shift=""
+    mask=""
+    divshift=""
+    reg_div=""
+    reg_src=""
+    indent=1
+
+    print $0
+
+    for(; indent >= 1;) {
+	if ((getline line) <= 0) {
+	    printf "unexpected end of file" > "/dev/stderr"
+	    exit 1;
+	}
+
+	if (line ~ /\.shift/) {
+	    shift = extract_value(line)
+	} else if (line ~ /\.mask/) {
+	    mask = extract_value(line)
+	} else if (line ~ /\.reg_divider/) {
+	    reg_div = extract_value(line)
+	} else if (line ~ /\.reg_source/) {
+	    reg_src = extract_value(line)
+	} else if (line ~ /\.divider_shift/) {
+	    divshift = extract_value(line)
+	} else if (line ~ /{/) {
+		indent++
+		print line
+	    } else if (line ~ /}/) {
+	    indent--
+
+	    if (indent == 0) {
+		if (0) {
+		    printf "shift '" shift   "' ='" dmask[shift,0] "'\n" > "/dev/stderr"
+		    printf "mask  '" mask    "'\n" > "/dev/stderr"
+		    printf "dshft '" divshift "'\n" > "/dev/stderr"
+		    printf "rdiv  '" reg_div "'\n" > "/dev/stderr"
+		    printf "rsrc  '" reg_src "'\n" > "/dev/stderr"
+		}
+
+		generated = mask
+		sub(reg_src, reg_div, generated)
+
+		if (0) {
+		    printf "/* rsrc " reg_src " */\n"
+		    printf "/* rdiv " reg_div " */\n"
+		    printf "/* shift " shift " */\n"
+		    printf "/* mask " mask " */\n"
+		    printf "/* generated " generated " */\n"
+		}
+
+		if (reg_div != "") {
+		    printf "\t.reg_div = { "
+		    printf ".reg = " reg_div ", "
+		    printf ".shift = " dmask[generated,1] ", "
+		    printf ".size = " dmask[generated,0] ", "
+		    printf "},\n"
+		}
+
+		printf "\t.reg_src = { "
+		printf ".reg = " reg_src ", "
+		printf ".shift = " dmask[mask,1] ", "
+		printf ".size = " dmask[mask,0] ", "
+
+		printf "},\n"
+
+	    }
+
+	    print line
+	} else {
+	    print line
+	}
+
+	if (0)
+	    printf indent ":" line "\n" > "/dev/stderr"
+    }
+}
+
+// && ! /clksrc_clk.*=.*{/ { print $0 }
diff --git a/Documentation/cdrom/ide-cd b/Documentation/cdrom/ide-cd
index 2c558cd6c1ef..f4dc9de2694e 100644
--- a/Documentation/cdrom/ide-cd
+++ b/Documentation/cdrom/ide-cd
@@ -159,42 +159,7 @@ two arguments:  the CDROM device, and the slot number to which you wish
 to change.  If the slot number is -1, the drive is unloaded.
 
 
-4. Compilation options
-----------------------
-
-There are a few additional options which can be set when compiling the
-driver.  Most people should not need to mess with any of these; they
-are listed here simply for completeness.  A compilation option can be
-enabled by adding a line of the form `#define <option> 1' to the top
-of ide-cd.c.  All these options are disabled by default.
-
-VERBOSE_IDE_CD_ERRORS
-  If this is set, ATAPI error codes will be translated into textual
-  descriptions.  In addition, a dump is made of the command which
-  provoked the error.  This is off by default to save the memory used
-  by the (somewhat long) table of error descriptions.  
-
-STANDARD_ATAPI
-  If this is set, the code needed to deal with certain drives which do
-  not properly implement the ATAPI spec will be disabled.  If you know
-  your drive implements ATAPI properly, you can turn this on to get a
-  slightly smaller kernel.
-
-NO_DOOR_LOCKING
-  If this is set, the driver will never attempt to lock the door of
-  the drive.
-
-CDROM_NBLOCKS_BUFFER
-  This sets the size of the buffer to be used for a CDROMREADAUDIO
-  ioctl.  The default is 8.
-
-TEST
-  This currently enables an additional ioctl which enables a user-mode
-  program to execute an arbitrary packet command.  See the source for
-  details.  This should be left off unless you know what you're doing.
-
-
-5. Common problems
+4. Common problems
 ------------------
 
 This section discusses some common problems encountered when trying to
@@ -371,7 +336,7 @@ f. Data corruption.
     expense of low system performance.
 
 
-6. cdchange.c
+5. cdchange.c
 -------------
 
 /*
diff --git a/Documentation/cgroups/cgroup_event_listener.c b/Documentation/cgroups/cgroup_event_listener.c
new file mode 100644
index 000000000000..8c2bfc4a6358
--- /dev/null
+++ b/Documentation/cgroups/cgroup_event_listener.c
@@ -0,0 +1,110 @@
+/*
+ * cgroup_event_listener.c - Simple listener of cgroup events
+ *
+ * Copyright (C) Kirill A. Shutemov <kirill@shutemov.name>
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <libgen.h>
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/eventfd.h>
+
+#define USAGE_STR "Usage: cgroup_event_listener <path-to-control-file> <args>\n"
+
+int main(int argc, char **argv)
+{
+	int efd = -1;
+	int cfd = -1;
+	int event_control = -1;
+	char event_control_path[PATH_MAX];
+	char line[LINE_MAX];
+	int ret;
+
+	if (argc != 3) {
+		fputs(USAGE_STR, stderr);
+		return 1;
+	}
+
+	cfd = open(argv[1], O_RDONLY);
+	if (cfd == -1) {
+		fprintf(stderr, "Cannot open %s: %s\n", argv[1],
+				strerror(errno));
+		goto out;
+	}
+
+	ret = snprintf(event_control_path, PATH_MAX, "%s/cgroup.event_control",
+			dirname(argv[1]));
+	if (ret >= PATH_MAX) {
+		fputs("Path to cgroup.event_control is too long\n", stderr);
+		goto out;
+	}
+
+	event_control = open(event_control_path, O_WRONLY);
+	if (event_control == -1) {
+		fprintf(stderr, "Cannot open %s: %s\n", event_control_path,
+				strerror(errno));
+		goto out;
+	}
+
+	efd = eventfd(0, 0);
+	if (efd == -1) {
+		perror("eventfd() failed");
+		goto out;
+	}
+
+	ret = snprintf(line, LINE_MAX, "%d %d %s", efd, cfd, argv[2]);
+	if (ret >= LINE_MAX) {
+		fputs("Arguments string is too long\n", stderr);
+		goto out;
+	}
+
+	ret = write(event_control, line, strlen(line) + 1);
+	if (ret == -1) {
+		perror("Cannot write to cgroup.event_control");
+		goto out;
+	}
+
+	while (1) {
+		uint64_t result;
+
+		ret = read(efd, &result, sizeof(result));
+		if (ret == -1) {
+			if (errno == EINTR)
+				continue;
+			perror("Cannot read from eventfd");
+			break;
+		}
+		assert(ret == sizeof(result));
+
+		ret = access(event_control_path, W_OK);
+		if ((ret == -1) && (errno == ENOENT)) {
+				puts("The cgroup seems to have removed.");
+				ret = 0;
+				break;
+		}
+
+		if (ret == -1) {
+			perror("cgroup.event_control "
+					"is not accessable any more");
+			break;
+		}
+
+		printf("%s %s: crossed\n", argv[1], argv[2]);
+	}
+
+out:
+	if (efd >= 0)
+		close(efd);
+	if (event_control >= 0)
+		close(event_control);
+	if (cfd >= 0)
+		close(cfd);
+
+	return (ret != 0);
+}
diff --git a/Documentation/cgroups/cgroups.txt b/Documentation/cgroups/cgroups.txt
index 0b33bfe7dde9..fd588ff0e296 100644
--- a/Documentation/cgroups/cgroups.txt
+++ b/Documentation/cgroups/cgroups.txt
@@ -22,6 +22,8 @@ CONTENTS:
 2. Usage Examples and Syntax
   2.1 Basic Usage
   2.2 Attaching processes
+  2.3 Mounting hierarchies by name
+  2.4 Notification API
 3. Kernel API
   3.1 Overview
   3.2 Synchronization
@@ -434,6 +436,25 @@ you give a subsystem a name.
 The name of the subsystem appears as part of the hierarchy description
 in /proc/mounts and /proc/<pid>/cgroups.
 
+2.4 Notification API
+--------------------
+
+There is mechanism which allows to get notifications about changing
+status of a cgroup.
+
+To register new notification handler you need:
+ - create a file descriptor for event notification using eventfd(2);
+ - open a control file to be monitored (e.g. memory.usage_in_bytes);
+ - write "<event_fd> <control_fd> <args>" to cgroup.event_control.
+   Interpretation of args is defined by control file implementation;
+
+eventfd will be woken up by control file implementation or when the
+cgroup is removed.
+
+To unregister notification handler just close eventfd.
+
+NOTE: Support of notifications should be implemented for the control
+file. See documentation for the subsystem.
 
 3. Kernel API
 =============
@@ -488,6 +509,11 @@ Each subsystem should:
 - add an entry in linux/cgroup_subsys.h
 - define a cgroup_subsys object called <name>_subsys
 
+If a subsystem can be compiled as a module, it should also have in its
+module initcall a call to cgroup_load_subsys(), and in its exitcall a
+call to cgroup_unload_subsys(). It should also set its_subsys.module =
+THIS_MODULE in its .c file.
+
 Each subsystem may export the following methods. The only mandatory
 methods are create/destroy. Any others that are null are presumed to
 be successful no-ops.
@@ -536,10 +562,21 @@ returns an error, this will abort the attach operation.  If a NULL
 task is passed, then a successful result indicates that *any*
 unspecified task can be moved into the cgroup. Note that this isn't
 called on a fork. If this method returns 0 (success) then this should
-remain valid while the caller holds cgroup_mutex. If threadgroup is
+remain valid while the caller holds cgroup_mutex and it is ensured that either
+attach() or cancel_attach() will be called in future. If threadgroup is
 true, then a successful result indicates that all threads in the given
 thread's threadgroup can be moved together.
 
+void cancel_attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
+	       struct task_struct *task, bool threadgroup)
+(cgroup_mutex held by caller)
+
+Called when a task attach operation has failed after can_attach() has succeeded.
+A subsystem whose can_attach() has some side-effects should provide this
+function, so that the subsytem can implement a rollback. If not, not necessary.
+This will be called only about subsystems whose can_attach() operation have
+succeeded.
+
 void attach(struct cgroup_subsys *ss, struct cgroup *cgrp,
 	    struct cgroup *old_cgrp, struct task_struct *task,
 	    bool threadgroup)
diff --git a/Documentation/cgroups/cpusets.txt b/Documentation/cgroups/cpusets.txt
index 1d7e9784439a..4160df82b3f5 100644
--- a/Documentation/cgroups/cpusets.txt
+++ b/Documentation/cgroups/cpusets.txt
@@ -168,20 +168,20 @@ Each cpuset is represented by a directory in the cgroup file system
 containing (on top of the standard cgroup files) the following
 files describing that cpuset:
 
- - cpus: list of CPUs in that cpuset
- - mems: list of Memory Nodes in that cpuset
- - memory_migrate flag: if set, move pages to cpusets nodes
- - cpu_exclusive flag: is cpu placement exclusive?
- - mem_exclusive flag: is memory placement exclusive?
- - mem_hardwall flag:  is memory allocation hardwalled
- - memory_pressure: measure of how much paging pressure in cpuset
- - memory_spread_page flag: if set, spread page cache evenly on allowed nodes
- - memory_spread_slab flag: if set, spread slab cache evenly on allowed nodes
- - sched_load_balance flag: if set, load balance within CPUs on that cpuset
- - sched_relax_domain_level: the searching range when migrating tasks
+ - cpuset.cpus: list of CPUs in that cpuset
+ - cpuset.mems: list of Memory Nodes in that cpuset
+ - cpuset.memory_migrate flag: if set, move pages to cpusets nodes
+ - cpuset.cpu_exclusive flag: is cpu placement exclusive?
+ - cpuset.mem_exclusive flag: is memory placement exclusive?
+ - cpuset.mem_hardwall flag:  is memory allocation hardwalled
+ - cpuset.memory_pressure: measure of how much paging pressure in cpuset
+ - cpuset.memory_spread_page flag: if set, spread page cache evenly on allowed nodes
+ - cpuset.memory_spread_slab flag: if set, spread slab cache evenly on allowed nodes
+ - cpuset.sched_load_balance flag: if set, load balance within CPUs on that cpuset
+ - cpuset.sched_relax_domain_level: the searching range when migrating tasks
 
 In addition, the root cpuset only has the following file:
- - memory_pressure_enabled flag: compute memory_pressure?
+ - cpuset.memory_pressure_enabled flag: compute memory_pressure?
 
 New cpusets are created using the mkdir system call or shell
 command.  The properties of a cpuset, such as its flags, allowed
@@ -229,7 +229,7 @@ If a cpuset is cpu or mem exclusive, no other cpuset, other than
 a direct ancestor or descendant, may share any of the same CPUs or
 Memory Nodes.
 
-A cpuset that is mem_exclusive *or* mem_hardwall is "hardwalled",
+A cpuset that is cpuset.mem_exclusive *or* cpuset.mem_hardwall is "hardwalled",
 i.e. it restricts kernel allocations for page, buffer and other data
 commonly shared by the kernel across multiple users.  All cpusets,
 whether hardwalled or not, restrict allocations of memory for user
@@ -304,15 +304,15 @@ times 1000.
 ---------------------------
 There are two boolean flag files per cpuset that control where the
 kernel allocates pages for the file system buffers and related in
-kernel data structures.  They are called 'memory_spread_page' and
-'memory_spread_slab'.
+kernel data structures.  They are called 'cpuset.memory_spread_page' and
+'cpuset.memory_spread_slab'.
 
-If the per-cpuset boolean flag file 'memory_spread_page' is set, then
+If the per-cpuset boolean flag file 'cpuset.memory_spread_page' is set, then
 the kernel will spread the file system buffers (page cache) evenly
 over all the nodes that the faulting task is allowed to use, instead
 of preferring to put those pages on the node where the task is running.
 
-If the per-cpuset boolean flag file 'memory_spread_slab' is set,
+If the per-cpuset boolean flag file 'cpuset.memory_spread_slab' is set,
 then the kernel will spread some file system related slab caches,
 such as for inodes and dentries evenly over all the nodes that the
 faulting task is allowed to use, instead of preferring to put those
@@ -337,21 +337,21 @@ their containing tasks memory spread settings.  If memory spreading
 is turned off, then the currently specified NUMA mempolicy once again
 applies to memory page allocations.
 
-Both 'memory_spread_page' and 'memory_spread_slab' are boolean flag
+Both 'cpuset.memory_spread_page' and 'cpuset.memory_spread_slab' are boolean flag
 files.  By default they contain "0", meaning that the feature is off
 for that cpuset.  If a "1" is written to that file, then that turns
 the named feature on.
 
 The implementation is simple.
 
-Setting the flag 'memory_spread_page' turns on a per-process flag
+Setting the flag 'cpuset.memory_spread_page' turns on a per-process flag
 PF_SPREAD_PAGE for each task that is in that cpuset or subsequently
 joins that cpuset.  The page allocation calls for the page cache
 is modified to perform an inline check for this PF_SPREAD_PAGE task
 flag, and if set, a call to a new routine cpuset_mem_spread_node()
 returns the node to prefer for the allocation.
 
-Similarly, setting 'memory_spread_slab' turns on the flag
+Similarly, setting 'cpuset.memory_spread_slab' turns on the flag
 PF_SPREAD_SLAB, and appropriately marked slab caches will allocate
 pages from the node returned by cpuset_mem_spread_node().
 
@@ -404,24 +404,24 @@ the following two situations:
     system overhead on those CPUs, including avoiding task load
     balancing if that is not needed.
 
-When the per-cpuset flag "sched_load_balance" is enabled (the default
-setting), it requests that all the CPUs in that cpusets allowed 'cpus'
+When the per-cpuset flag "cpuset.sched_load_balance" is enabled (the default
+setting), it requests that all the CPUs in that cpusets allowed 'cpuset.cpus'
 be contained in a single sched domain, ensuring that load balancing
 can move a task (not otherwised pinned, as by sched_setaffinity)
 from any CPU in that cpuset to any other.
 
-When the per-cpuset flag "sched_load_balance" is disabled, then the
+When the per-cpuset flag "cpuset.sched_load_balance" is disabled, then the
 scheduler will avoid load balancing across the CPUs in that cpuset,
 --except-- in so far as is necessary because some overlapping cpuset
 has "sched_load_balance" enabled.
 
-So, for example, if the top cpuset has the flag "sched_load_balance"
+So, for example, if the top cpuset has the flag "cpuset.sched_load_balance"
 enabled, then the scheduler will have one sched domain covering all
-CPUs, and the setting of the "sched_load_balance" flag in any other
+CPUs, and the setting of the "cpuset.sched_load_balance" flag in any other
 cpusets won't matter, as we're already fully load balancing.
 
 Therefore in the above two situations, the top cpuset flag
-"sched_load_balance" should be disabled, and only some of the smaller,
+"cpuset.sched_load_balance" should be disabled, and only some of the smaller,
 child cpusets have this flag enabled.
 
 When doing this, you don't usually want to leave any unpinned tasks in
@@ -433,7 +433,7 @@ scheduler might not consider the possibility of load balancing that
 task to that underused CPU.
 
 Of course, tasks pinned to a particular CPU can be left in a cpuset
-that disables "sched_load_balance" as those tasks aren't going anywhere
+that disables "cpuset.sched_load_balance" as those tasks aren't going anywhere
 else anyway.
 
 There is an impedance mismatch here, between cpusets and sched domains.
@@ -443,19 +443,19 @@ overlap and each CPU is in at most one sched domain.
 It is necessary for sched domains to be flat because load balancing
 across partially overlapping sets of CPUs would risk unstable dynamics
 that would be beyond our understanding.  So if each of two partially
-overlapping cpusets enables the flag 'sched_load_balance', then we
+overlapping cpusets enables the flag 'cpuset.sched_load_balance', then we
 form a single sched domain that is a superset of both.  We won't move
 a task to a CPU outside it cpuset, but the scheduler load balancing
 code might waste some compute cycles considering that possibility.
 
 This mismatch is why there is not a simple one-to-one relation
-between which cpusets have the flag "sched_load_balance" enabled,
+between which cpusets have the flag "cpuset.sched_load_balance" enabled,
 and the sched domain configuration.  If a cpuset enables the flag, it
 will get balancing across all its CPUs, but if it disables the flag,
 it will only be assured of no load balancing if no other overlapping
 cpuset enables the flag.
 
-If two cpusets have partially overlapping 'cpus' allowed, and only
+If two cpusets have partially overlapping 'cpuset.cpus' allowed, and only
 one of them has this flag enabled, then the other may find its
 tasks only partially load balanced, just on the overlapping CPUs.
 This is just the general case of the top_cpuset example given a few
@@ -468,23 +468,23 @@ load balancing to the other CPUs.
 1.7.1 sched_load_balance implementation details.
 ------------------------------------------------
 
-The per-cpuset flag 'sched_load_balance' defaults to enabled (contrary
+The per-cpuset flag 'cpuset.sched_load_balance' defaults to enabled (contrary
 to most cpuset flags.)  When enabled for a cpuset, the kernel will
 ensure that it can load balance across all the CPUs in that cpuset
 (makes sure that all the CPUs in the cpus_allowed of that cpuset are
 in the same sched domain.)
 
-If two overlapping cpusets both have 'sched_load_balance' enabled,
+If two overlapping cpusets both have 'cpuset.sched_load_balance' enabled,
 then they will be (must be) both in the same sched domain.
 
-If, as is the default, the top cpuset has 'sched_load_balance' enabled,
+If, as is the default, the top cpuset has 'cpuset.sched_load_balance' enabled,
 then by the above that means there is a single sched domain covering
 the whole system, regardless of any other cpuset settings.
 
 The kernel commits to user space that it will avoid load balancing
 where it can.  It will pick as fine a granularity partition of sched
 domains as it can while still providing load balancing for any set
-of CPUs allowed to a cpuset having 'sched_load_balance' enabled.
+of CPUs allowed to a cpuset having 'cpuset.sched_load_balance' enabled.
 
 The internal kernel cpuset to scheduler interface passes from the
 cpuset code to the scheduler code a partition of the load balanced
@@ -495,9 +495,9 @@ all the CPUs that must be load balanced.
 The cpuset code builds a new such partition and passes it to the
 scheduler sched domain setup code, to have the sched domains rebuilt
 as necessary, whenever:
- - the 'sched_load_balance' flag of a cpuset with non-empty CPUs changes,
+ - the 'cpuset.sched_load_balance' flag of a cpuset with non-empty CPUs changes,
  - or CPUs come or go from a cpuset with this flag enabled,
- - or 'sched_relax_domain_level' value of a cpuset with non-empty CPUs
+ - or 'cpuset.sched_relax_domain_level' value of a cpuset with non-empty CPUs
    and with this flag enabled changes,
  - or a cpuset with non-empty CPUs and with this flag enabled is removed,
  - or a cpu is offlined/onlined.
@@ -542,7 +542,7 @@ As the result, task B on CPU X need to wait task A or wait load balance
 on the next tick.  For some applications in special situation, waiting
 1 tick may be too long.
 
-The 'sched_relax_domain_level' file allows you to request changing
+The 'cpuset.sched_relax_domain_level' file allows you to request changing
 this searching range as you like.  This file takes int value which
 indicates size of searching range in levels ideally as follows,
 otherwise initial value -1 that indicates the cpuset has no request.
@@ -559,8 +559,8 @@ The system default is architecture dependent.  The system default
 can be changed using the relax_domain_level= boot parameter.
 
 This file is per-cpuset and affect the sched domain where the cpuset
-belongs to.  Therefore if the flag 'sched_load_balance' of a cpuset
-is disabled, then 'sched_relax_domain_level' have no effect since
+belongs to.  Therefore if the flag 'cpuset.sched_load_balance' of a cpuset
+is disabled, then 'cpuset.sched_relax_domain_level' have no effect since
 there is no sched domain belonging the cpuset.
 
 If multiple cpusets are overlapping and hence they form a single sched
@@ -607,9 +607,9 @@ from one cpuset to another, then the kernel will adjust the tasks
 memory placement, as above, the next time that the kernel attempts
 to allocate a page of memory for that task.
 
-If a cpuset has its 'cpus' modified, then each task in that cpuset
+If a cpuset has its 'cpuset.cpus' modified, then each task in that cpuset
 will have its allowed CPU placement changed immediately.  Similarly,
-if a tasks pid is written to another cpusets 'tasks' file, then its
+if a tasks pid is written to another cpusets 'cpuset.tasks' file, then its
 allowed CPU placement is changed immediately.  If such a task had been
 bound to some subset of its cpuset using the sched_setaffinity() call,
 the task will be allowed to run on any CPU allowed in its new cpuset,
@@ -622,8 +622,8 @@ and the processor placement is updated immediately.
 Normally, once a page is allocated (given a physical page
 of main memory) then that page stays on whatever node it
 was allocated, so long as it remains allocated, even if the
-cpusets memory placement policy 'mems' subsequently changes.
-If the cpuset flag file 'memory_migrate' is set true, then when
+cpusets memory placement policy 'cpuset.mems' subsequently changes.
+If the cpuset flag file 'cpuset.memory_migrate' is set true, then when
 tasks are attached to that cpuset, any pages that task had
 allocated to it on nodes in its previous cpuset are migrated
 to the tasks new cpuset. The relative placement of the page within
@@ -631,12 +631,12 @@ the cpuset is preserved during these migration operations if possible.
 For example if the page was on the second valid node of the prior cpuset
 then the page will be placed on the second valid node of the new cpuset.
 
-Also if 'memory_migrate' is set true, then if that cpusets
-'mems' file is modified, pages allocated to tasks in that
-cpuset, that were on nodes in the previous setting of 'mems',
+Also if 'cpuset.memory_migrate' is set true, then if that cpusets
+'cpuset.mems' file is modified, pages allocated to tasks in that
+cpuset, that were on nodes in the previous setting of 'cpuset.mems',
 will be moved to nodes in the new setting of 'mems.'
 Pages that were not in the tasks prior cpuset, or in the cpusets
-prior 'mems' setting, will not be moved.
+prior 'cpuset.mems' setting, will not be moved.
 
 There is an exception to the above.  If hotplug functionality is used
 to remove all the CPUs that are currently assigned to a cpuset,
@@ -678,8 +678,8 @@ and then start a subshell 'sh' in that cpuset:
   cd /dev/cpuset
   mkdir Charlie
   cd Charlie
-  /bin/echo 2-3 > cpus
-  /bin/echo 1 > mems
+  /bin/echo 2-3 > cpuset.cpus
+  /bin/echo 1 > cpuset.mems
   /bin/echo $$ > tasks
   sh
   # The subshell 'sh' is now running in cpuset Charlie
@@ -725,10 +725,13 @@ Now you want to do something with this cpuset.
 
 In this directory you can find several files:
 # ls
-cpu_exclusive  memory_migrate      mems                      tasks
-cpus           memory_pressure     notify_on_release
-mem_exclusive  memory_spread_page  sched_load_balance
-mem_hardwall   memory_spread_slab  sched_relax_domain_level
+cpuset.cpu_exclusive       cpuset.memory_spread_slab
+cpuset.cpus                cpuset.mems
+cpuset.mem_exclusive       cpuset.sched_load_balance
+cpuset.mem_hardwall        cpuset.sched_relax_domain_level
+cpuset.memory_migrate      notify_on_release
+cpuset.memory_pressure     tasks
+cpuset.memory_spread_page
 
 Reading them will give you information about the state of this cpuset:
 the CPUs and Memory Nodes it can use, the processes that are using
@@ -736,13 +739,13 @@ it, its properties.  By writing to these files you can manipulate
 the cpuset.
 
 Set some flags:
-# /bin/echo 1 > cpu_exclusive
+# /bin/echo 1 > cpuset.cpu_exclusive
 
 Add some cpus:
-# /bin/echo 0-7 > cpus
+# /bin/echo 0-7 > cpuset.cpus
 
 Add some mems:
-# /bin/echo 0-7 > mems
+# /bin/echo 0-7 > cpuset.mems
 
 Now attach your shell to this cpuset:
 # /bin/echo $$ > tasks
@@ -774,28 +777,28 @@ echo "/sbin/cpuset_release_agent" > /dev/cpuset/release_agent
 This is the syntax to use when writing in the cpus or mems files
 in cpuset directories:
 
-# /bin/echo 1-4 > cpus		-> set cpus list to cpus 1,2,3,4
-# /bin/echo 1,2,3,4 > cpus	-> set cpus list to cpus 1,2,3,4
+# /bin/echo 1-4 > cpuset.cpus		-> set cpus list to cpus 1,2,3,4
+# /bin/echo 1,2,3,4 > cpuset.cpus	-> set cpus list to cpus 1,2,3,4
 
 To add a CPU to a cpuset, write the new list of CPUs including the
 CPU to be added. To add 6 to the above cpuset:
 
-# /bin/echo 1-4,6 > cpus	-> set cpus list to cpus 1,2,3,4,6
+# /bin/echo 1-4,6 > cpuset.cpus	-> set cpus list to cpus 1,2,3,4,6
 
 Similarly to remove a CPU from a cpuset, write the new list of CPUs
 without the CPU to be removed.
 
 To remove all the CPUs:
 
-# /bin/echo "" > cpus		-> clear cpus list
+# /bin/echo "" > cpuset.cpus		-> clear cpus list
 
 2.3 Setting flags
 -----------------
 
 The syntax is very simple:
 
-# /bin/echo 1 > cpu_exclusive 	-> set flag 'cpu_exclusive'
-# /bin/echo 0 > cpu_exclusive 	-> unset flag 'cpu_exclusive'
+# /bin/echo 1 > cpuset.cpu_exclusive 	-> set flag 'cpuset.cpu_exclusive'
+# /bin/echo 0 > cpuset.cpu_exclusive 	-> unset flag 'cpuset.cpu_exclusive'
 
 2.4 Attaching processes
 -----------------------
diff --git a/Documentation/cgroups/memcg_test.txt b/Documentation/cgroups/memcg_test.txt
index 72db89ed0609..f7f68b2ac199 100644
--- a/Documentation/cgroups/memcg_test.txt
+++ b/Documentation/cgroups/memcg_test.txt
@@ -1,6 +1,6 @@
 Memory Resource Controller(Memcg)  Implementation Memo.
-Last Updated: 2009/1/20
-Base Kernel Version: based on 2.6.29-rc2.
+Last Updated: 2010/2
+Base Kernel Version: based on 2.6.33-rc7-mm(candidate for 34).
 
 Because VM is getting complex (one of reasons is memcg...), memcg's behavior
 is complex. This is a document for memcg's internal behavior.
@@ -337,7 +337,7 @@ Under below explanation, we assume CONFIG_MEM_RES_CTRL_SWAP=y.
 	race and lock dependency with other cgroup subsystems.
 
 	example)
-	# mount -t cgroup none /cgroup -t cpuset,memory,cpu,devices
+	# mount -t cgroup none /cgroup -o cpuset,memory,cpu,devices
 
 	and do task move, mkdir, rmdir etc...under this.
 
@@ -348,7 +348,7 @@ Under below explanation, we assume CONFIG_MEM_RES_CTRL_SWAP=y.
 
 	For example, test like following is good.
 	(Shell-A)
-	# mount -t cgroup none /cgroup -t memory
+	# mount -t cgroup none /cgroup -o memory
 	# mkdir /cgroup/test
 	# echo 40M > /cgroup/test/memory.limit_in_bytes
 	# echo 0 > /cgroup/test/tasks
@@ -378,3 +378,42 @@ Under below explanation, we assume CONFIG_MEM_RES_CTRL_SWAP=y.
 	#echo 50M > memory.limit_in_bytes
 	#echo 50M > memory.memsw.limit_in_bytes
 	run 51M of malloc
+
+ 9.9 Move charges at task migration
+	Charges associated with a task can be moved along with task migration.
+
+	(Shell-A)
+	#mkdir /cgroup/A
+	#echo $$ >/cgroup/A/tasks
+	run some programs which uses some amount of memory in /cgroup/A.
+
+	(Shell-B)
+	#mkdir /cgroup/B
+	#echo 1 >/cgroup/B/memory.move_charge_at_immigrate
+	#echo "pid of the program running in group A" >/cgroup/B/tasks
+
+	You can see charges have been moved by reading *.usage_in_bytes or
+	memory.stat of both A and B.
+	See 8.2 of Documentation/cgroups/memory.txt to see what value should be
+	written to move_charge_at_immigrate.
+
+ 9.10 Memory thresholds
+	Memory controler implements memory thresholds using cgroups notification
+	API. You can use Documentation/cgroups/cgroup_event_listener.c to test
+	it.
+
+	(Shell-A) Create cgroup and run event listener
+	# mkdir /cgroup/A
+	# ./cgroup_event_listener /cgroup/A/memory.usage_in_bytes 5M
+
+	(Shell-B) Add task to cgroup and try to allocate and free memory
+	# echo $$ >/cgroup/A/tasks
+	# a="$(dd if=/dev/zero bs=1M count=10)"
+	# a=
+
+	You will see message from cgroup_event_listener every time you cross
+	the thresholds.
+
+	Use /cgroup/A/memory.memsw.usage_in_bytes to test memsw thresholds.
+
+	It's good idea to test root cgroup as well.
diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt
index b871f2552b45..3a6aecd078ba 100644
--- a/Documentation/cgroups/memory.txt
+++ b/Documentation/cgroups/memory.txt
@@ -182,6 +182,8 @@ list.
 NOTE: Reclaim does not work for the root cgroup, since we cannot set any
 limits on the root cgroup.
 
+Note2: When panic_on_oom is set to "2", the whole system will panic.
+
 2. Locking
 
 The memory controller uses the following hierarchy
@@ -262,10 +264,12 @@ some of the pages cached in the cgroup (page cache pages).
 4.2 Task migration
 
 When a task migrates from one cgroup to another, it's charge is not
-carried forward. The pages allocated from the original cgroup still
+carried forward by default. The pages allocated from the original cgroup still
 remain charged to it, the charge is dropped when the page is freed or
 reclaimed.
 
+Note: You can move charges of a task along with task migration. See 8.
+
 4.3 Removing a cgroup
 
 A cgroup can be removed by rmdir, but as discussed in sections 4.1 and 4.2, a
@@ -336,7 +340,7 @@ Note:
 5.3 swappiness
   Similar to /proc/sys/vm/swappiness, but affecting a hierarchy of groups only.
 
-  Following cgroups' swapiness can't be changed.
+  Following cgroups' swappiness can't be changed.
   - root cgroup (uses /proc/sys/vm/swappiness).
   - a cgroup which uses hierarchy and it has child cgroup.
   - a cgroup which uses hierarchy and not the root of hierarchy.
@@ -377,7 +381,8 @@ The feature can be disabled by
 NOTE1: Enabling/disabling will fail if the cgroup already has other
 cgroups created below it.
 
-NOTE2: This feature can be enabled/disabled per subtree.
+NOTE2: When panic_on_oom is set to "2", the whole system will panic in
+case of an oom event in any cgroup.
 
 7. Soft limits
 
@@ -414,7 +419,76 @@ NOTE1: Soft limits take effect over a long period of time, since they involve
 NOTE2: It is recommended to set the soft limit always below the hard limit,
        otherwise the hard limit will take precedence.
 
-8. TODO
+8. Move charges at task migration
+
+Users can move charges associated with a task along with task migration, that
+is, uncharge task's pages from the old cgroup and charge them to the new cgroup.
+This feature is not supported in !CONFIG_MMU environments because of lack of
+page tables.
+
+8.1 Interface
+
+This feature is disabled by default. It can be enabled(and disabled again) by
+writing to memory.move_charge_at_immigrate of the destination cgroup.
+
+If you want to enable it:
+
+# echo (some positive value) > memory.move_charge_at_immigrate
+
+Note: Each bits of move_charge_at_immigrate has its own meaning about what type
+      of charges should be moved. See 8.2 for details.
+Note: Charges are moved only when you move mm->owner, IOW, a leader of a thread
+      group.
+Note: If we cannot find enough space for the task in the destination cgroup, we
+      try to make space by reclaiming memory. Task migration may fail if we
+      cannot make enough space.
+Note: It can take several seconds if you move charges in giga bytes order.
+
+And if you want disable it again:
+
+# echo 0 > memory.move_charge_at_immigrate
+
+8.2 Type of charges which can be move
+
+Each bits of move_charge_at_immigrate has its own meaning about what type of
+charges should be moved.
+
+  bit | what type of charges would be moved ?
+ -----+------------------------------------------------------------------------
+   0  | A charge of an anonymous page(or swap of it) used by the target task.
+      | Those pages and swaps must be used only by the target task. You must
+      | enable Swap Extension(see 2.4) to enable move of swap charges.
+
+Note: Those pages and swaps must be charged to the old cgroup.
+Note: More type of pages(e.g. file cache, shmem,) will be supported by other
+      bits in future.
+
+8.3 TODO
+
+- Add support for other types of pages(e.g. file cache, shmem, etc.).
+- Implement madvise(2) to let users decide the vma to be moved or not to be
+  moved.
+- All of moving charge operations are done under cgroup_mutex. It's not good
+  behavior to hold the mutex too long, so we may need some trick.
+
+9. Memory thresholds
+
+Memory controler implements memory thresholds using cgroups notification
+API (see cgroups.txt). It allows to register multiple memory and memsw
+thresholds and gets notifications when it crosses.
+
+To register a threshold application need:
+ - create an eventfd using eventfd(2);
+ - open memory.usage_in_bytes or memory.memsw.usage_in_bytes;
+ - write string like "<event_fd> <memory.usage_in_bytes> <threshold>" to
+   cgroup.event_control.
+
+Application will be notified through eventfd when memory usage crosses
+threshold in any direction.
+
+It's applicable for root and non-root cgroup.
+
+10. TODO
 
 1. Add support for accounting huge pages (as a separate controller)
 2. Make per-cgroup scanner reclaim not-shared pages first
diff --git a/Documentation/circular-buffers.txt b/Documentation/circular-buffers.txt
new file mode 100644
index 000000000000..8117e5bf6065
--- /dev/null
+++ b/Documentation/circular-buffers.txt
@@ -0,0 +1,234 @@
+			       ================
+			       CIRCULAR BUFFERS
+			       ================
+
+By: David Howells <dhowells@redhat.com>
+    Paul E. McKenney <paulmck@linux.vnet.ibm.com>
+
+
+Linux provides a number of features that can be used to implement circular
+buffering.  There are two sets of such features:
+
+ (1) Convenience functions for determining information about power-of-2 sized
+     buffers.
+
+ (2) Memory barriers for when the producer and the consumer of objects in the
+     buffer don't want to share a lock.
+
+To use these facilities, as discussed below, there needs to be just one
+producer and just one consumer.  It is possible to handle multiple producers by
+serialising them, and to handle multiple consumers by serialising them.
+
+
+Contents:
+
+ (*) What is a circular buffer?
+
+ (*) Measuring power-of-2 buffers.
+
+ (*) Using memory barriers with circular buffers.
+     - The producer.
+     - The consumer.
+
+
+==========================
+WHAT IS A CIRCULAR BUFFER?
+==========================
+
+First of all, what is a circular buffer?  A circular buffer is a buffer of
+fixed, finite size into which there are two indices:
+
+ (1) A 'head' index - the point at which the producer inserts items into the
+     buffer.
+
+ (2) A 'tail' index - the point at which the consumer finds the next item in
+     the buffer.
+
+Typically when the tail pointer is equal to the head pointer, the buffer is
+empty; and the buffer is full when the head pointer is one less than the tail
+pointer.
+
+The head index is incremented when items are added, and the tail index when
+items are removed.  The tail index should never jump the head index, and both
+indices should be wrapped to 0 when they reach the end of the buffer, thus
+allowing an infinite amount of data to flow through the buffer.
+
+Typically, items will all be of the same unit size, but this isn't strictly
+required to use the techniques below.  The indices can be increased by more
+than 1 if multiple items or variable-sized items are to be included in the
+buffer, provided that neither index overtakes the other.  The implementer must
+be careful, however, as a region more than one unit in size may wrap the end of
+the buffer and be broken into two segments.
+
+
+============================
+MEASURING POWER-OF-2 BUFFERS
+============================
+
+Calculation of the occupancy or the remaining capacity of an arbitrarily sized
+circular buffer would normally be a slow operation, requiring the use of a
+modulus (divide) instruction.  However, if the buffer is of a power-of-2 size,
+then a much quicker bitwise-AND instruction can be used instead.
+
+Linux provides a set of macros for handling power-of-2 circular buffers.  These
+can be made use of by:
+
+	#include <linux/circ_buf.h>
+
+The macros are:
+
+ (*) Measure the remaining capacity of a buffer:
+
+	CIRC_SPACE(head_index, tail_index, buffer_size);
+
+     This returns the amount of space left in the buffer[1] into which items
+     can be inserted.
+
+
+ (*) Measure the maximum consecutive immediate space in a buffer:
+
+	CIRC_SPACE_TO_END(head_index, tail_index, buffer_size);
+
+     This returns the amount of consecutive space left in the buffer[1] into
+     which items can be immediately inserted without having to wrap back to the
+     beginning of the buffer.
+
+
+ (*) Measure the occupancy of a buffer:
+
+	CIRC_CNT(head_index, tail_index, buffer_size);
+
+     This returns the number of items currently occupying a buffer[2].
+
+
+ (*) Measure the non-wrapping occupancy of a buffer:
+
+	CIRC_CNT_TO_END(head_index, tail_index, buffer_size);
+
+     This returns the number of consecutive items[2] that can be extracted from
+     the buffer without having to wrap back to the beginning of the buffer.
+
+
+Each of these macros will nominally return a value between 0 and buffer_size-1,
+however:
+
+ [1] CIRC_SPACE*() are intended to be used in the producer.  To the producer
+     they will return a lower bound as the producer controls the head index,
+     but the consumer may still be depleting the buffer on another CPU and
+     moving the tail index.
+
+     To the consumer it will show an upper bound as the producer may be busy
+     depleting the space.
+
+ [2] CIRC_CNT*() are intended to be used in the consumer.  To the consumer they
+     will return a lower bound as the consumer controls the tail index, but the
+     producer may still be filling the buffer on another CPU and moving the
+     head index.
+
+     To the producer it will show an upper bound as the consumer may be busy
+     emptying the buffer.
+
+ [3] To a third party, the order in which the writes to the indices by the
+     producer and consumer become visible cannot be guaranteed as they are
+     independent and may be made on different CPUs - so the result in such a
+     situation will merely be a guess, and may even be negative.
+
+
+===========================================
+USING MEMORY BARRIERS WITH CIRCULAR BUFFERS
+===========================================
+
+By using memory barriers in conjunction with circular buffers, you can avoid
+the need to:
+
+ (1) use a single lock to govern access to both ends of the buffer, thus
+     allowing the buffer to be filled and emptied at the same time; and
+
+ (2) use atomic counter operations.
+
+There are two sides to this: the producer that fills the buffer, and the
+consumer that empties it.  Only one thing should be filling a buffer at any one
+time, and only one thing should be emptying a buffer at any one time, but the
+two sides can operate simultaneously.
+
+
+THE PRODUCER
+------------
+
+The producer will look something like this:
+
+	spin_lock(&producer_lock);
+
+	unsigned long head = buffer->head;
+	unsigned long tail = ACCESS_ONCE(buffer->tail);
+
+	if (CIRC_SPACE(head, tail, buffer->size) >= 1) {
+		/* insert one item into the buffer */
+		struct item *item = buffer[head];
+
+		produce_item(item);
+
+		smp_wmb(); /* commit the item before incrementing the head */
+
+		buffer->head = (head + 1) & (buffer->size - 1);
+
+		/* wake_up() will make sure that the head is committed before
+		 * waking anyone up */
+		wake_up(consumer);
+	}
+
+	spin_unlock(&producer_lock);
+
+This will instruct the CPU that the contents of the new item must be written
+before the head index makes it available to the consumer and then instructs the
+CPU that the revised head index must be written before the consumer is woken.
+
+Note that wake_up() doesn't have to be the exact mechanism used, but whatever
+is used must guarantee a (write) memory barrier between the update of the head
+index and the change of state of the consumer, if a change of state occurs.
+
+
+THE CONSUMER
+------------
+
+The consumer will look something like this:
+
+	spin_lock(&consumer_lock);
+
+	unsigned long head = ACCESS_ONCE(buffer->head);
+	unsigned long tail = buffer->tail;
+
+	if (CIRC_CNT(head, tail, buffer->size) >= 1) {
+		/* read index before reading contents at that index */
+		smp_read_barrier_depends();
+
+		/* extract one item from the buffer */
+		struct item *item = buffer[tail];
+
+		consume_item(item);
+
+		smp_mb(); /* finish reading descriptor before incrementing tail */
+
+		buffer->tail = (tail + 1) & (buffer->size - 1);
+	}
+
+	spin_unlock(&consumer_lock);
+
+This will instruct the CPU to make sure the index is up to date before reading
+the new item, and then it shall make sure the CPU has finished reading the item
+before it writes the new tail pointer, which will erase the item.
+
+
+Note the use of ACCESS_ONCE() in both algorithms to read the opposition index.
+This prevents the compiler from discarding and reloading its cached value -
+which some compilers will do across smp_read_barrier_depends().  This isn't
+strictly needed if you can be sure that the opposition index will _only_ be
+used the once.
+
+
+===============
+FURTHER READING
+===============
+
+See also Documentation/memory-barriers.txt for a description of Linux's memory
+barrier facilities.
diff --git a/Documentation/console/console.txt b/Documentation/console/console.txt
index 877a1b26cc3d..926cf1b5e63e 100644
--- a/Documentation/console/console.txt
+++ b/Documentation/console/console.txt
@@ -74,7 +74,7 @@ driver takes over the consoles vacated by the driver. Binding, on the other
 hand, will bind the driver to the consoles that are currently occupied by a
 system driver.
 
-NOTE1: Binding and binding must be selected in Kconfig. It's under:
+NOTE1: Binding and unbinding must be selected in Kconfig. It's under:
 
 Device Drivers -> Character devices -> Support for binding and unbinding
 console drivers
diff --git a/Documentation/cpu-freq/pcc-cpufreq.txt b/Documentation/cpu-freq/pcc-cpufreq.txt
new file mode 100644
index 000000000000..9e3c3b33514c
--- /dev/null
+++ b/Documentation/cpu-freq/pcc-cpufreq.txt
@@ -0,0 +1,207 @@
+/*
+ *  pcc-cpufreq.txt - PCC interface documentation
+ *
+ *  Copyright (C) 2009 Red Hat, Matthew Garrett <mjg@redhat.com>
+ *  Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
+ *      Nagananda Chumbalkar <nagananda.chumbalkar@hp.com>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or NON
+ *  INFRINGEMENT. See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+
+			Processor Clocking Control Driver
+			---------------------------------
+
+Contents:
+---------
+1.	Introduction
+1.1	PCC interface
+1.1.1   Get Average Frequency
+1.1.2	Set Desired Frequency
+1.2	Platforms affected
+2.	Driver and /sys details
+2.1	scaling_available_frequencies
+2.2	cpuinfo_transition_latency
+2.3	cpuinfo_cur_freq
+2.4	related_cpus
+3.	Caveats
+
+1. Introduction:
+----------------
+Processor Clocking Control (PCC) is an interface between the platform
+firmware and OSPM. It is a mechanism for coordinating processor
+performance (ie: frequency) between the platform firmware and the OS.
+
+The PCC driver (pcc-cpufreq) allows OSPM to take advantage of the PCC
+interface.
+
+OS utilizes the PCC interface to inform platform firmware what frequency the
+OS wants for a logical processor. The platform firmware attempts to achieve
+the requested frequency. If the request for the target frequency could not be
+satisfied by platform firmware, then it usually means that power budget
+conditions are in place, and "power capping" is taking place.
+
+1.1 PCC interface:
+------------------
+The complete PCC specification is available here:
+http://www.acpica.org/download/Processor-Clocking-Control-v1p0.pdf
+
+PCC relies on a shared memory region that provides a channel for communication
+between the OS and platform firmware. PCC also implements a "doorbell" that
+is used by the OS to inform the platform firmware that a command has been
+sent.
+
+The ACPI PCCH() method is used to discover the location of the PCC shared
+memory region. The shared memory region header contains the "command" and
+"status" interface. PCCH() also contains details on how to access the platform
+doorbell.
+
+The following commands are supported by the PCC interface:
+* Get Average Frequency
+* Set Desired Frequency
+
+The ACPI PCCP() method is implemented for each logical processor and is
+used to discover the offsets for the input and output buffers in the shared
+memory region.
+
+When PCC mode is enabled, the platform will not expose processor performance
+or throttle states (_PSS, _TSS and related ACPI objects) to OSPM. Therefore,
+the native P-state driver (such as acpi-cpufreq for Intel, powernow-k8 for
+AMD) will not load.
+
+However, OSPM remains in control of policy. The governor (eg: "ondemand")
+computes the required performance for each processor based on server workload.
+The PCC driver fills in the command interface, and the input buffer and
+communicates the request to the platform firmware. The platform firmware is
+responsible for delivering the requested performance.
+
+Each PCC command is "global" in scope and can affect all the logical CPUs in
+the system. Therefore, PCC is capable of performing "group" updates. With PCC
+the OS is capable of getting/setting the frequency of all the logical CPUs in
+the system with a single call to the BIOS.
+
+1.1.1 Get Average Frequency:
+----------------------------
+This command is used by the OSPM to query the running frequency of the
+processor since the last time this command was completed. The output buffer
+indicates the average unhalted frequency of the logical processor expressed as
+a percentage of the nominal (ie: maximum) CPU frequency. The output buffer
+also signifies if the CPU frequency is limited by a power budget condition.
+
+1.1.2 Set Desired Frequency:
+----------------------------
+This command is used by the OSPM to communicate to the platform firmware the
+desired frequency for a logical processor. The output buffer is currently
+ignored by OSPM. The next invocation of "Get Average Frequency" will inform
+OSPM if the desired frequency was achieved or not.
+
+1.2 Platforms affected:
+-----------------------
+The PCC driver will load on any system where the platform firmware:
+* supports the PCC interface, and the associated PCCH() and PCCP() methods
+* assumes responsibility for managing the hardware clocking controls in order
+to deliver the requested processor performance
+
+Currently, certain HP ProLiant platforms implement the PCC interface. On those
+platforms PCC is the "default" choice.
+
+However, it is possible to disable this interface via a BIOS setting. In
+such an instance, as is also the case on platforms where the PCC interface
+is not implemented, the PCC driver will fail to load silently.
+
+2. Driver and /sys details:
+---------------------------
+When the driver loads, it merely prints the lowest and the highest CPU
+frequencies supported by the platform firmware.
+
+The PCC driver loads with a message such as:
+pcc-cpufreq: (v1.00.00) driver loaded with frequency limits: 1600 MHz, 2933
+MHz
+
+This means that the OPSM can request the CPU to run at any frequency in
+between the limits (1600 MHz, and 2933 MHz) specified in the message.
+
+Internally, there is no need for the driver to convert the "target" frequency
+to a corresponding P-state.
+
+The VERSION number for the driver will be of the format v.xy.ab.
+eg: 1.00.02
+   ----- --
+    |    |
+    |    -- this will increase with bug fixes/enhancements to the driver
+    |-- this is the version of the PCC specification the driver adheres to
+
+
+The following is a brief discussion on some of the fields exported via the
+/sys filesystem and how their values are affected by the PCC driver:
+
+2.1 scaling_available_frequencies:
+----------------------------------
+scaling_available_frequencies is not created in /sys. No intermediate
+frequencies need to be listed because the BIOS will try to achieve any
+frequency, within limits, requested by the governor. A frequency does not have
+to be strictly associated with a P-state.
+
+2.2 cpuinfo_transition_latency:
+-------------------------------
+The cpuinfo_transition_latency field is 0. The PCC specification does
+not include a field to expose this value currently.
+
+2.3 cpuinfo_cur_freq:
+---------------------
+A) Often cpuinfo_cur_freq will show a value different than what is declared
+in the scaling_available_frequencies or scaling_cur_freq, or scaling_max_freq.
+This is due to "turbo boost" available on recent Intel processors. If certain
+conditions are met the BIOS can achieve a slightly higher speed than requested
+by OSPM. An example:
+
+scaling_cur_freq	: 2933000
+cpuinfo_cur_freq	: 3196000
+
+B) There is a round-off error associated with the cpuinfo_cur_freq value.
+Since the driver obtains the current frequency as a "percentage" (%) of the
+nominal frequency from the BIOS, sometimes, the values displayed by
+scaling_cur_freq and cpuinfo_cur_freq may not match. An example:
+
+scaling_cur_freq	: 1600000
+cpuinfo_cur_freq	: 1583000
+
+In this example, the nominal frequency is 2933 MHz. The driver obtains the
+current frequency, cpuinfo_cur_freq, as 54% of the nominal frequency:
+
+	54% of 2933 MHz = 1583 MHz
+
+Nominal frequency is the maximum frequency of the processor, and it usually
+corresponds to the frequency of the P0 P-state.
+
+2.4 related_cpus:
+-----------------
+The related_cpus field is identical to affected_cpus.
+
+affected_cpus	: 4
+related_cpus	: 4
+
+Currently, the PCC driver does not evaluate _PSD. The platforms that support
+PCC do not implement SW_ALL. So OSPM doesn't need to perform any coordination
+to ensure that the same frequency is requested of all dependent CPUs.
+
+3. Caveats:
+-----------
+The "cpufreq_stats" module in its present form cannot be loaded and
+expected to work with the PCC driver. Since the "cpufreq_stats" module
+provides information wrt each P-state, it is not applicable to the PCC driver.
diff --git a/Documentation/device-mapper/snapshot.txt b/Documentation/device-mapper/snapshot.txt
index e3a77b215135..0d5bc46dc167 100644
--- a/Documentation/device-mapper/snapshot.txt
+++ b/Documentation/device-mapper/snapshot.txt
@@ -122,3 +122,47 @@ volumeGroup-base: 0 2097152 snapshot-merge 254:11 254:12 P 16
 brw-------  1 root root 254, 11 29 ago 18:15 /dev/mapper/volumeGroup-base-real
 brw-------  1 root root 254, 12 29 ago 18:16 /dev/mapper/volumeGroup-base-cow
 brw-------  1 root root 254, 10 29 ago 18:16 /dev/mapper/volumeGroup-base
+
+
+How to determine when a merging is complete
+===========================================
+The snapshot-merge and snapshot status lines end with:
+  <sectors_allocated>/<total_sectors> <metadata_sectors>
+
+Both <sectors_allocated> and <total_sectors> include both data and metadata.
+During merging, the number of sectors allocated gets smaller and
+smaller.  Merging has finished when the number of sectors holding data
+is zero, in other words <sectors_allocated> == <metadata_sectors>.
+
+Here is a practical example (using a hybrid of lvm and dmsetup commands):
+
+# lvs
+  LV      VG          Attr   LSize Origin  Snap%  Move Log Copy%  Convert
+  base    volumeGroup owi-a- 4.00g
+  snap    volumeGroup swi-a- 1.00g base  18.97
+
+# dmsetup status volumeGroup-snap
+0 8388608 snapshot 397896/2097152 1560
+                                  ^^^^ metadata sectors
+
+# lvconvert --merge -b volumeGroup/snap
+  Merging of volume snap started.
+
+# lvs volumeGroup/snap
+  LV      VG          Attr   LSize Origin  Snap%  Move Log Copy%  Convert
+  base    volumeGroup Owi-a- 4.00g          17.23
+
+# dmsetup status volumeGroup-base
+0 8388608 snapshot-merge 281688/2097152 1104
+
+# dmsetup status volumeGroup-base
+0 8388608 snapshot-merge 180480/2097152 712
+
+# dmsetup status volumeGroup-base
+0 8388608 snapshot-merge 16/2097152 16
+
+Merging has finished.
+
+# lvs
+  LV      VG          Attr   LSize Origin  Snap%  Move Log Copy%  Convert
+  base    volumeGroup owi-a- 4.00g
diff --git a/Documentation/driver-model/platform.txt b/Documentation/driver-model/platform.txt
index 2e2c2ea90ceb..41f41632ee55 100644
--- a/Documentation/driver-model/platform.txt
+++ b/Documentation/driver-model/platform.txt
@@ -192,7 +192,7 @@ command line. This will execute all matching early_param() callbacks.
 User specified early platform devices will be registered at this point.
 For the early serial console case the user can specify port on the
 kernel command line as "earlyprintk=serial.0" where "earlyprintk" is
-the class string, "serial" is the name of the platfrom driver and
+the class string, "serial" is the name of the platform driver and
 0 is the platform device id. If the id is -1 then the dot and the
 id can be omitted.
 
diff --git a/Documentation/eisa.txt b/Documentation/eisa.txt
index 60e361ba08c0..f297fc1202ae 100644
--- a/Documentation/eisa.txt
+++ b/Documentation/eisa.txt
@@ -171,7 +171,7 @@ device.
 virtual_root.force_probe :
 
 Force the probing code to probe EISA slots even when it cannot find an
-EISA compliant mainboard (nothing appears on slot 0). Defaultd to 0
+EISA compliant mainboard (nothing appears on slot 0). Defaults to 0
 (don't force), and set to 1 (force probing) when either
 CONFIG_ALPHA_JENSEN or CONFIG_EISA_VLB_PRIMING are set.
 
diff --git a/Documentation/email-clients.txt b/Documentation/email-clients.txt
index a618efab7b15..945ff3fda433 100644
--- a/Documentation/email-clients.txt
+++ b/Documentation/email-clients.txt
@@ -216,26 +216,14 @@ Works.  Use "Insert file..." or external editor.
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Gmail (Web GUI)
 
-If you just have to use Gmail to send patches, it CAN be made to work.  It
-requires a bit of external help, though.
-
-The first problem is that Gmail converts tabs to spaces.  This will
-totally break your patches.  To prevent this, you have to use a different
-editor.  There is a firefox extension called "ViewSourceWith"
-(https://addons.mozilla.org/en-US/firefox/addon/394) which allows you to
-edit any text box in the editor of your choice.  Configure it to launch
-your favorite editor.  When you want to send a patch, use this technique.
-Once you have crafted your messsage + patch, save and exit the editor,
-which should reload the Gmail edit box.  GMAIL WILL PRESERVE THE TABS.
-Hoorah.  Apparently you can cut-n-paste literal tabs, but Gmail will
-convert those to spaces upon sending!
-
-The second problem is that Gmail converts tabs to spaces on replies.  If
-you reply to a patch, don't expect to be able to apply it as a patch.
-
-The last problem is that Gmail will base64-encode any message that has a
-non-ASCII character.  That includes things like European names.  Be aware.
-
-Gmail is not convenient for lkml patches, but CAN be made to work.
+Does not work for sending patches.
+
+Gmail web client converts tabs to spaces automatically.
+
+At the same time it wraps lines every 78 chars with CRLF style line breaks
+although tab2space problem can be solved with external editor.
+
+Another problem is that Gmail will base64-encode any message that has a
+non-ASCII character. That includes things like European names.
 
                                 ###
diff --git a/Documentation/fault-injection/provoke-crashes.txt b/Documentation/fault-injection/provoke-crashes.txt
new file mode 100644
index 000000000000..7a9d3d81525b
--- /dev/null
+++ b/Documentation/fault-injection/provoke-crashes.txt
@@ -0,0 +1,38 @@
+The lkdtm module provides an interface to crash or injure the kernel at
+predefined crashpoints to evaluate the reliability of crash dumps obtained
+using different dumping solutions. The module uses KPROBEs to instrument
+crashing points, but can also crash the kernel directly without KRPOBE
+support.
+
+
+You can provide the way either through module arguments when inserting
+the module, or through a debugfs interface.
+
+Usage: insmod lkdtm.ko [recur_count={>0}] cpoint_name=<> cpoint_type=<>
+				[cpoint_count={>0}]
+
+  recur_count : Recursion level for the stack overflow test. Default is 10.
+
+  cpoint_name : Crash point where the kernel is to be crashed. It can be
+	 one of INT_HARDWARE_ENTRY, INT_HW_IRQ_EN, INT_TASKLET_ENTRY,
+	 FS_DEVRW, MEM_SWAPOUT, TIMERADD, SCSI_DISPATCH_CMD,
+	 IDE_CORE_CP, DIRECT
+
+  cpoint_type : Indicates the action to be taken on hitting the crash point.
+     It can be one of PANIC, BUG, EXCEPTION, LOOP, OVERFLOW,
+     CORRUPT_STACK, UNALIGNED_LOAD_STORE_WRITE, OVERWRITE_ALLOCATION,
+     WRITE_AFTER_FREE,
+
+  cpoint_count : Indicates the number of times the crash point is to be hit
+    to trigger an action. The default is 10.
+
+You can also induce failures by mounting debugfs and writing the type to
+<mountpoint>/provoke-crash/<crashpoint>. E.g.,
+
+  mount -t debugfs debugfs /mnt
+  echo EXCEPTION > /mnt/provoke-crash/INT_HARDWARE_ENTRY
+
+
+A special file is `DIRECT' which will induce the crash directly without
+KPROBE instrumentation. This mode is the only one available when the module
+is built on a kernel without KPROBEs support.
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 73ef30dbe612..ed511af0f79a 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -117,19 +117,25 @@ Who:	Mauro Carvalho Chehab <mchehab@infradead.org>
 ---------------------------
 
 What:	PCMCIA control ioctl (needed for pcmcia-cs [cardmgr, cardctl])
-When:	November 2005
+When:	2.6.35/2.6.36
 Files:	drivers/pcmcia/: pcmcia_ioctl.c
 Why:	With the 16-bit PCMCIA subsystem now behaving (almost) like a
 	normal hotpluggable bus, and with it using the default kernel
 	infrastructure (hotplug, driver core, sysfs) keeping the PCMCIA
 	control ioctl needed by cardmgr and cardctl from pcmcia-cs is
-	unnecessary, and makes further cleanups and integration of the
+	unnecessary and potentially harmful (it does not provide for
+	proper locking), and makes further cleanups and integration of the
 	PCMCIA subsystem into the Linux kernel device driver model more
 	difficult. The features provided by cardmgr and cardctl are either
 	handled by the kernel itself now or are available in the new
 	pcmciautils package available at
 	http://kernel.org/pub/linux/utils/kernel/pcmcia/
-Who:	Dominik Brodowski <linux@brodo.de>
+
+	For all architectures except ARM, the associated config symbol
+	has been removed from kernel 2.6.34; for ARM, it will be likely
+	be removed from kernel 2.6.35. The actual code will then likely
+	be removed from kernel 2.6.36.
+Who:	Dominik Brodowski <linux@dominikbrodowski.net>
 
 ---------------------------
 
@@ -443,12 +449,6 @@ Who:	Alok N Kataria <akataria@vmware.com>
 
 ----------------------------
 
-What:	adt7473 hardware monitoring driver
-When:	February 2010
-Why:	Obsoleted by the adt7475 driver.
-Who:	Jean Delvare <khali@linux-fr.org>
-
----------------------------
 What:	Support for lcd_switch and display_get in asus-laptop driver
 When:	March 2010
 Why:	These two features use non-standard interfaces. There are the
@@ -550,3 +550,42 @@ Why:	udev fully replaces this special file system that only contains CAPI
 	NCCI TTY device nodes. User space (pppdcapiplugin) works without
 	noticing the difference.
 Who:	Jan Kiszka <jan.kiszka@web.de>
+
+----------------------------
+
+What:	KVM memory aliases support
+When:	July 2010
+Why:	Memory aliasing support is used for speeding up guest vga access
+	through the vga windows.
+
+	Modern userspace no longer uses this feature, so it's just bitrotted
+	code and can be removed with no impact.
+Who:	Avi Kivity <avi@redhat.com>
+
+----------------------------
+
+What:	KVM kernel-allocated memory slots
+When:	July 2010
+Why:	Since 2.6.25, kvm supports user-allocated memory slots, which are
+	much more flexible than kernel-allocated slots.  All current userspace
+	supports the newer interface and this code can be removed with no
+	impact.
+Who:	Avi Kivity <avi@redhat.com>
+
+----------------------------
+
+What:	KVM paravirt mmu host support
+When:	January 2011
+Why:	The paravirt mmu host support is slower than non-paravirt mmu, both
+	on newer and older hardware.  It is already not exposed to the guest,
+	and kept only for live migration purposes.
+Who:	Avi Kivity <avi@redhat.com>
+
+----------------------------
+
+What: 	"acpi=ht" boot option
+When:	2.6.35
+Why:	Useful in 2003, implementation is a hack.
+	Generally invoked by accident today.
+	Seen as doing more harm than good.
+Who:	Len Brown <len.brown@intel.com>
diff --git a/Documentation/filesystems/00-INDEX b/Documentation/filesystems/00-INDEX
index 875d49696b6e..4303614b5add 100644
--- a/Documentation/filesystems/00-INDEX
+++ b/Documentation/filesystems/00-INDEX
@@ -16,6 +16,8 @@ befs.txt
 	- information about the BeOS filesystem for Linux.
 bfs.txt
 	- info for the SCO UnixWare Boot Filesystem (BFS).
+ceph.txt
+	- info for the Ceph Distributed File System
 cifs.txt
 	- description of the CIFS filesystem.
 coda.txt
@@ -32,6 +34,8 @@ dlmfs.txt
 	- info on the userspace interface to the OCFS2 DLM.
 dnotify.txt
 	- info about directory notification in Linux.
+dnotify_test.c
+	- example program for dnotify
 ecryptfs.txt
 	- docs on eCryptfs: stacked cryptographic filesystem for Linux.
 exofs.txt
@@ -62,6 +66,8 @@ jfs.txt
 	- info and mount options for the JFS filesystem.
 locks.txt
 	- info on file locking implementations, flock() vs. fcntl(), etc.
+logfs.txt
+	- info on the LogFS flash filesystem.
 mandatory-locking.txt
 	- info on the Linux implementation of Sys V mandatory file locking.
 ncpfs.txt
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking
index 18b9d0ca0630..06bbbed71206 100644
--- a/Documentation/filesystems/Locking
+++ b/Documentation/filesystems/Locking
@@ -460,13 +460,6 @@ in sys_read() and friends.
 
 --------------------------- dquot_operations -------------------------------
 prototypes:
-	int (*initialize) (struct inode *, int);
-	int (*drop) (struct inode *);
-	int (*alloc_space) (struct inode *, qsize_t, int);
-	int (*alloc_inode) (const struct inode *, unsigned long);
-	int (*free_space) (struct inode *, qsize_t);
-	int (*free_inode) (const struct inode *, unsigned long);
-	int (*transfer) (struct inode *, struct iattr *);
 	int (*write_dquot) (struct dquot *);
 	int (*acquire_dquot) (struct dquot *);
 	int (*release_dquot) (struct dquot *);
@@ -479,13 +472,6 @@ a proper locking wrt the filesystem and call the generic quota operations.
 What filesystem should expect from the generic quota functions:
 
 		FS recursion	Held locks when called
-initialize:	yes		maybe dqonoff_sem
-drop:		yes		-
-alloc_space:	->mark_dirty()	-
-alloc_inode:	->mark_dirty()	-
-free_space:	->mark_dirty()	-
-free_inode:	->mark_dirty()	-
-transfer:	yes		-
 write_dquot:	yes		dqonoff_sem or dqptr_sem
 acquire_dquot:	yes		dqonoff_sem or dqptr_sem
 release_dquot:	yes		dqonoff_sem or dqptr_sem
@@ -495,10 +481,6 @@ write_info:	yes		dqonoff_sem
 FS recursion means calling ->quota_read() and ->quota_write() from superblock
 operations.
 
-->alloc_space(), ->alloc_inode(), ->free_space(), ->free_inode() are called
-only directly by the filesystem and do not call any fs functions only
-the ->mark_dirty() operation.
-
 More details about quota locking can be found in fs/dquot.c.
 
 --------------------------- vm_operations_struct -----------------------------
diff --git a/Documentation/filesystems/Makefile b/Documentation/filesystems/Makefile
new file mode 100644
index 000000000000..a5dd114da14f
--- /dev/null
+++ b/Documentation/filesystems/Makefile
@@ -0,0 +1,8 @@
+# kbuild trick to avoid linker error. Can be omitted if a module is built.
+obj- := dummy.o
+
+# List of programs to build
+hostprogs-y := dnotify_test
+
+# Tell kbuild to always build the programs
+always := $(hostprogs-y)
diff --git a/Documentation/filesystems/ceph.txt b/Documentation/filesystems/ceph.txt
new file mode 100644
index 000000000000..0660c9f5deef
--- /dev/null
+++ b/Documentation/filesystems/ceph.txt
@@ -0,0 +1,140 @@
+Ceph Distributed File System
+============================
+
+Ceph is a distributed network file system designed to provide good
+performance, reliability, and scalability.
+
+Basic features include:
+
+ * POSIX semantics
+ * Seamless scaling from 1 to many thousands of nodes
+ * High availability and reliability.  No single point of failure.
+ * N-way replication of data across storage nodes
+ * Fast recovery from node failures
+ * Automatic rebalancing of data on node addition/removal
+ * Easy deployment: most FS components are userspace daemons
+
+Also,
+ * Flexible snapshots (on any directory)
+ * Recursive accounting (nested files, directories, bytes)
+
+In contrast to cluster filesystems like GFS, OCFS2, and GPFS that rely
+on symmetric access by all clients to shared block devices, Ceph
+separates data and metadata management into independent server
+clusters, similar to Lustre.  Unlike Lustre, however, metadata and
+storage nodes run entirely as user space daemons.  Storage nodes
+utilize btrfs to store data objects, leveraging its advanced features
+(checksumming, metadata replication, etc.).  File data is striped
+across storage nodes in large chunks to distribute workload and
+facilitate high throughputs.  When storage nodes fail, data is
+re-replicated in a distributed fashion by the storage nodes themselves
+(with some minimal coordination from a cluster monitor), making the
+system extremely efficient and scalable.
+
+Metadata servers effectively form a large, consistent, distributed
+in-memory cache above the file namespace that is extremely scalable,
+dynamically redistributes metadata in response to workload changes,
+and can tolerate arbitrary (well, non-Byzantine) node failures.  The
+metadata server takes a somewhat unconventional approach to metadata
+storage to significantly improve performance for common workloads.  In
+particular, inodes with only a single link are embedded in
+directories, allowing entire directories of dentries and inodes to be
+loaded into its cache with a single I/O operation.  The contents of
+extremely large directories can be fragmented and managed by
+independent metadata servers, allowing scalable concurrent access.
+
+The system offers automatic data rebalancing/migration when scaling
+from a small cluster of just a few nodes to many hundreds, without
+requiring an administrator carve the data set into static volumes or
+go through the tedious process of migrating data between servers.
+When the file system approaches full, new nodes can be easily added
+and things will "just work."
+
+Ceph includes flexible snapshot mechanism that allows a user to create
+a snapshot on any subdirectory (and its nested contents) in the
+system.  Snapshot creation and deletion are as simple as 'mkdir
+.snap/foo' and 'rmdir .snap/foo'.
+
+Ceph also provides some recursive accounting on directories for nested
+files and bytes.  That is, a 'getfattr -d foo' on any directory in the
+system will reveal the total number of nested regular files and
+subdirectories, and a summation of all nested file sizes.  This makes
+the identification of large disk space consumers relatively quick, as
+no 'du' or similar recursive scan of the file system is required.
+
+
+Mount Syntax
+============
+
+The basic mount syntax is:
+
+ # mount -t ceph monip[:port][,monip2[:port]...]:/[subdir] mnt
+
+You only need to specify a single monitor, as the client will get the
+full list when it connects.  (However, if the monitor you specify
+happens to be down, the mount won't succeed.)  The port can be left
+off if the monitor is using the default.  So if the monitor is at
+1.2.3.4,
+
+ # mount -t ceph 1.2.3.4:/ /mnt/ceph
+
+is sufficient.  If /sbin/mount.ceph is installed, a hostname can be
+used instead of an IP address.
+
+
+
+Mount Options
+=============
+
+  ip=A.B.C.D[:N]
+	Specify the IP and/or port the client should bind to locally.
+	There is normally not much reason to do this.  If the IP is not
+	specified, the client's IP address is determined by looking at the
+	address it's connection to the monitor originates from.
+
+  wsize=X
+	Specify the maximum write size in bytes.  By default there is no
+	maximum.  Ceph will normally size writes based on the file stripe
+	size.
+
+  rsize=X
+	Specify the maximum readahead.
+
+  mount_timeout=X
+	Specify the timeout value for mount (in seconds), in the case
+	of a non-responsive Ceph file system.  The default is 30
+	seconds.
+
+  rbytes
+	When stat() is called on a directory, set st_size to 'rbytes',
+	the summation of file sizes over all files nested beneath that
+	directory.  This is the default.
+
+  norbytes
+	When stat() is called on a directory, set st_size to the
+	number of entries in that directory.
+
+  nocrc
+	Disable CRC32C calculation for data writes.  If set, the storage node
+	must rely on TCP's error correction to detect data corruption
+	in the data payload.
+
+  noasyncreaddir
+	Disable client's use its local cache to satisfy	readdir
+	requests.  (This does not change correctness; the client uses
+	cached metadata only when a lease or capability ensures it is
+	valid.)
+
+
+More Information
+================
+
+For more information on Ceph, see the home page at
+	http://ceph.newdream.net/
+
+The Linux kernel client source tree is available at
+	git://ceph.newdream.net/git/ceph-client.git
+	git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
+
+and the source for the full system is at
+	git://ceph.newdream.net/git/ceph.git
diff --git a/Documentation/filesystems/dnotify.txt b/Documentation/filesystems/dnotify.txt
index 9f5d338ddbb8..6baf88f46859 100644
--- a/Documentation/filesystems/dnotify.txt
+++ b/Documentation/filesystems/dnotify.txt
@@ -62,38 +62,9 @@ disabled, fcntl(fd, F_NOTIFY, ...) will return -EINVAL.
 
 Example
 -------
+See Documentation/filesystems/dnotify_test.c for an example.
 
-	#define _GNU_SOURCE	/* needed to get the defines */
-	#include <fcntl.h>	/* in glibc 2.2 this has the needed
-					   values defined */
-	#include <signal.h>
-	#include <stdio.h>
-	#include <unistd.h>
-
-	static volatile int event_fd;
-
-	static void handler(int sig, siginfo_t *si, void *data)
-	{
-		event_fd = si->si_fd;
-	}
-
-	int main(void)
-	{
-		struct sigaction act;
-		int fd;
-
-		act.sa_sigaction = handler;
-		sigemptyset(&act.sa_mask);
-		act.sa_flags = SA_SIGINFO;
-		sigaction(SIGRTMIN + 1, &act, NULL);
-
-		fd = open(".", O_RDONLY);
-		fcntl(fd, F_SETSIG, SIGRTMIN + 1);
-		fcntl(fd, F_NOTIFY, DN_MODIFY|DN_CREATE|DN_MULTISHOT);
-		/* we will now be notified if any of the files
-		   in "." is modified or new files are created */
-		while (1) {
-			pause();
-			printf("Got event on fd=%d\n", event_fd);
-		}
-	}
+NOTE
+----
+Beginning with Linux 2.6.13, dnotify has been replaced by inotify.
+See Documentation/filesystems/inotify.txt for more information on it.
diff --git a/Documentation/filesystems/dnotify_test.c b/Documentation/filesystems/dnotify_test.c
new file mode 100644
index 000000000000..8b37b4a1e18d
--- /dev/null
+++ b/Documentation/filesystems/dnotify_test.c
@@ -0,0 +1,34 @@
+#define _GNU_SOURCE	/* needed to get the defines */
+#include <fcntl.h>	/* in glibc 2.2 this has the needed
+				   values defined */
+#include <signal.h>
+#include <stdio.h>
+#include <unistd.h>
+
+static volatile int event_fd;
+
+static void handler(int sig, siginfo_t *si, void *data)
+{
+	event_fd = si->si_fd;
+}
+
+int main(void)
+{
+	struct sigaction act;
+	int fd;
+
+	act.sa_sigaction = handler;
+	sigemptyset(&act.sa_mask);
+	act.sa_flags = SA_SIGINFO;
+	sigaction(SIGRTMIN + 1, &act, NULL);
+
+	fd = open(".", O_RDONLY);
+	fcntl(fd, F_SETSIG, SIGRTMIN + 1);
+	fcntl(fd, F_NOTIFY, DN_MODIFY|DN_CREATE|DN_MULTISHOT);
+	/* we will now be notified if any of the files
+	   in "." is modified or new files are created */
+	while (1) {
+		pause();
+		printf("Got event on fd=%d\n", event_fd);
+	}
+}
diff --git a/Documentation/filesystems/logfs.txt b/Documentation/filesystems/logfs.txt
new file mode 100644
index 000000000000..e64c94ba401a
--- /dev/null
+++ b/Documentation/filesystems/logfs.txt
@@ -0,0 +1,241 @@
+
+The LogFS Flash Filesystem
+==========================
+
+Specification
+=============
+
+Superblocks
+-----------
+
+Two superblocks exist at the beginning and end of the filesystem.
+Each superblock is 256 Bytes large, with another 3840 Bytes reserved
+for future purposes, making a total of 4096 Bytes.
+
+Superblock locations may differ for MTD and block devices.  On MTD the
+first non-bad block contains a superblock in the first 4096 Bytes and
+the last non-bad block contains a superblock in the last 4096 Bytes.
+On block devices, the first 4096 Bytes of the device contain the first
+superblock and the last aligned 4096 Byte-block contains the second
+superblock.
+
+For the most part, the superblocks can be considered read-only.  They
+are written only to correct errors detected within the superblocks,
+move the journal and change the filesystem parameters through tunefs.
+As a result, the superblock does not contain any fields that require
+constant updates, like the amount of free space, etc.
+
+Segments
+--------
+
+The space in the device is split up into equal-sized segments.
+Segments are the primary write unit of LogFS.  Within each segments,
+writes happen from front (low addresses) to back (high addresses.  If
+only a partial segment has been written, the segment number, the
+current position within and optionally a write buffer are stored in
+the journal.
+
+Segments are erased as a whole.  Therefore Garbage Collection may be
+required to completely free a segment before doing so.
+
+Journal
+--------
+
+The journal contains all global information about the filesystem that
+is subject to frequent change.  At mount time, it has to be scanned
+for the most recent commit entry, which contains a list of pointers to
+all currently valid entries.
+
+Object Store
+------------
+
+All space except for the superblocks and journal is part of the object
+store.  Each segment contains a segment header and a number of
+objects, each consisting of the object header and the payload.
+Objects are either inodes, directory entries (dentries), file data
+blocks or indirect blocks.
+
+Levels
+------
+
+Garbage collection (GC) may fail if all data is written
+indiscriminately.  One requirement of GC is that data is seperated
+roughly according to the distance between the tree root and the data.
+Effectively that means all file data is on level 0, indirect blocks
+are on levels 1, 2, 3 4 or 5 for 1x, 2x, 3x, 4x or 5x indirect blocks,
+respectively.  Inode file data is on level 6 for the inodes and 7-11
+for indirect blocks.
+
+Each segment contains objects of a single level only.  As a result,
+each level requires its own seperate segment to be open for writing.
+
+Inode File
+----------
+
+All inodes are stored in a special file, the inode file.  Single
+exception is the inode file's inode (master inode) which for obvious
+reasons is stored in the journal instead.  Instead of data blocks, the
+leaf nodes of the inode files are inodes.
+
+Aliases
+-------
+
+Writes in LogFS are done by means of a wandering tree.  A naïve
+implementation would require that for each write or a block, all
+parent blocks are written as well, since the block pointers have
+changed.  Such an implementation would not be very efficient.
+
+In LogFS, the block pointer changes are cached in the journal by means
+of alias entries.  Each alias consists of its logical address - inode
+number, block index, level and child number (index into block) - and
+the changed data.  Any 8-byte word can be changes in this manner.
+
+Currently aliases are used for block pointers, file size, file used
+bytes and the height of an inodes indirect tree.
+
+Segment Aliases
+---------------
+
+Related to regular aliases, these are used to handle bad blocks.
+Initially, bad blocks are handled by moving the affected segment
+content to a spare segment and noting this move in the journal with a
+segment alias, a simple (to, from) tupel.  GC will later empty this
+segment and the alias can be removed again.  This is used on MTD only.
+
+Vim
+---
+
+By cleverly predicting the life time of data, it is possible to
+seperate long-living data from short-living data and thereby reduce
+the GC overhead later.  Each type of distinc life expectency (vim) can
+have a seperate segment open for writing.  Each (level, vim) tupel can
+be open just once.  If an open segment with unknown vim is encountered
+at mount time, it is closed and ignored henceforth.
+
+Indirect Tree
+-------------
+
+Inodes in LogFS are similar to FFS-style filesystems with direct and
+indirect block pointers.  One difference is that LogFS uses a single
+indirect pointer that can be either a 1x, 2x, etc. indirect pointer.
+A height field in the inode defines the height of the indirect tree
+and thereby the indirection of the pointer.
+
+Another difference is the addressing of indirect blocks.  In LogFS,
+the first 16 pointers in the first indirect block are left empty,
+corresponding to the 16 direct pointers in the inode.  In ext2 (maybe
+others as well) the first pointer in the first indirect block
+corresponds to logical block 12, skipping the 12 direct pointers.
+So where ext2 is using arithmetic to better utilize space, LogFS keeps
+arithmetic simple and uses compression to save space.
+
+Compression
+-----------
+
+Both file data and metadata can be compressed.  Compression for file
+data can be enabled with chattr +c and disabled with chattr -c.  Doing
+so has no effect on existing data, but new data will be stored
+accordingly.  New inodes will inherit the compression flag of the
+parent directory.
+
+Metadata is always compressed.  However, the space accounting ignores
+this and charges for the uncompressed size.  Failing to do so could
+result in GC failures when, after moving some data, indirect blocks
+compress worse than previously.  Even on a 100% full medium, GC may
+not consume any extra space, so the compression gains are lost space
+to the user.
+
+However, they are not lost space to the filesystem internals.  By
+cheating the user for those bytes, the filesystem gained some slack
+space and GC will run less often and faster.
+
+Garbage Collection and Wear Leveling
+------------------------------------
+
+Garbage collection is invoked whenever the number of free segments
+falls below a threshold.  The best (known) candidate is picked based
+on the least amount of valid data contained in the segment.  All
+remaining valid data is copied elsewhere, thereby invalidating it.
+
+The GC code also checks for aliases and writes then back if their
+number gets too large.
+
+Wear leveling is done by occasionally picking a suboptimal segment for
+garbage collection.  If a stale segments erase count is significantly
+lower than the active segments' erase counts, it will be picked.  Wear
+leveling is rate limited, so it will never monopolize the device for
+more than one segment worth at a time.
+
+Values for "occasionally", "significantly lower" are compile time
+constants.
+
+Hashed directories
+------------------
+
+To satisfy efficient lookup(), directory entries are hashed and
+located based on the hash.  In order to both support large directories
+and not be overly inefficient for small directories, several hash
+tables of increasing size are used.  For each table, the hash value
+modulo the table size gives the table index.
+
+Tables sizes are chosen to limit the number of indirect blocks with a
+fully populated table to 0, 1, 2 or 3 respectively.  So the first
+table contains 16 entries, the second 512-16, etc.
+
+The last table is special in several ways.  First its size depends on
+the effective 32bit limit on telldir/seekdir cookies.  Since logfs
+uses the upper half of the address space for indirect blocks, the size
+is limited to 2^31.  Secondly the table contains hash buckets with 16
+entries each.
+
+Using single-entry buckets would result in birthday "attacks".  At
+just 2^16 used entries, hash collisions would be likely (P >= 0.5).
+My math skills are insufficient to do the combinatorics for the 17x
+collisions necessary to overflow a bucket, but testing showed that in
+10,000 runs the lowest directory fill before a bucket overflow was
+188,057,130 entries with an average of 315,149,915 entries.  So for
+directory sizes of up to a million, bucket overflows should be
+virtually impossible under normal circumstances.
+
+With carefully chosen filenames, it is obviously possible to cause an
+overflow with just 21 entries (4 higher tables + 16 entries + 1).  So
+there may be a security concern if a malicious user has write access
+to a directory.
+
+Open For Discussion
+===================
+
+Device Address Space
+--------------------
+
+A device address space is used for caching.  Both block devices and
+MTD provide functions to either read a single page or write a segment.
+Partial segments may be written for data integrity, but where possible
+complete segments are written for performance on simple block device
+flash media.
+
+Meta Inodes
+-----------
+
+Inodes are stored in the inode file, which is just a regular file for
+most purposes.  At umount time, however, the inode file needs to
+remain open until all dirty inodes are written.  So
+generic_shutdown_super() may not close this inode, but shouldn't
+complain about remaining inodes due to the inode file either.  Same
+goes for mapping inode of the device address space.
+
+Currently logfs uses a hack that essentially copies part of fs/inode.c
+code over.  A general solution would be preferred.
+
+Indirect block mapping
+----------------------
+
+With compression, the block device (or mapping inode) cannot be used
+to cache indirect blocks.  Some other place is required.  Currently
+logfs uses the top half of each inode's address space.  The low 8TB
+(on 32bit) are filled with file data, the high 8TB are used for
+indirect blocks.
+
+One problem is that 16TB files created on 64bit systems actually have
+data in the top 8TB.  But files >16TB would cause problems anyway, so
+only the limit has changed.
diff --git a/Documentation/filesystems/nfs/nfs41-server.txt b/Documentation/filesystems/nfs/nfs41-server.txt
index 1bd0d0c05171..6a53a84afc72 100644
--- a/Documentation/filesystems/nfs/nfs41-server.txt
+++ b/Documentation/filesystems/nfs/nfs41-server.txt
@@ -17,8 +17,7 @@ kernels must turn 4.1 on or off *before* turning support for version 4
 on or off; rpc.nfsd does this correctly.)
 
 The NFSv4 minorversion 1 (NFSv4.1) implementation in nfsd is based
-on the latest NFSv4.1 Internet Draft:
-http://tools.ietf.org/html/draft-ietf-nfsv4-minorversion1-29
+on RFC 5661.
 
 From the many new features in NFSv4.1 the current implementation
 focuses on the mandatory-to-implement NFSv4.1 Sessions, providing
@@ -44,7 +43,7 @@ interoperability problems with future clients.  Known issues:
 	  trunking, but this is a mandatory feature, and its use is
 	  recommended to clients in a number of places.  (E.g. to ensure
 	  timely renewal in case an existing connection's retry timeouts
-	  have gotten too long; see section 8.3 of the draft.)
+	  have gotten too long; see section 8.3 of the RFC.)
 	  Therefore, lack of this feature may cause future clients to
 	  fail.
 	- Incomplete backchannel support: incomplete backchannel gss
diff --git a/Documentation/filesystems/nilfs2.txt b/Documentation/filesystems/nilfs2.txt
index 839efd8a8a8c..cf6d0d85ca82 100644
--- a/Documentation/filesystems/nilfs2.txt
+++ b/Documentation/filesystems/nilfs2.txt
@@ -74,6 +74,9 @@ norecovery		Disable recovery of the filesystem on mount.
 			This disables every write access on the device for
 			read-only mounts or snapshots.  This option will fail
 			for r/w mounts on an unclean volume.
+discard			Issue discard/TRIM commands to the underlying block
+			device when blocks are freed.  This is useful for SSD
+			devices and sparse/thinly-provisioned LUNs.
 
 NILFS2 usage
 ============
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 0d07513a67a6..a4f30faa4f1f 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -164,6 +164,7 @@ read the file /proc/PID/status:
   VmExe:        68 kB
   VmLib:      1412 kB
   VmPTE:        20 kb
+  VmSwap:        0 kB
   Threads:        1
   SigQ:   0/28578
   SigPnd: 0000000000000000
@@ -188,7 +189,13 @@ memory usage. Its seven fields are explained in Table 1-3.  The stat file
 contains details information about the process itself.  Its fields are
 explained in Table 1-4.
 
-Table 1-2: Contents of the statm files (as of 2.6.30-rc7)
+(for SMP CONFIG users)
+For making accounting scalable, RSS related information are handled in
+asynchronous manner and the vaule may not be very precise. To see a precise
+snapshot of a moment, you can see /proc/<pid>/smaps file and scan page table.
+It's slow but very precise.
+
+Table 1-2: Contents of the status files (as of 2.6.30-rc7)
 ..............................................................................
  Field                       Content
  Name                        filename of the executable
@@ -213,6 +220,7 @@ Table 1-2: Contents of the statm files (as of 2.6.30-rc7)
  VmExe                       size of text segment
  VmLib                       size of shared library code
  VmPTE                       size of page table entries
+ VmSwap                      size of swap usage (the number of referred swapents)
  Threads                     number of threads
  SigQ                        number of signals queued/max. number for queue
  SigPnd                      bitmap of pending signals for the thread
@@ -430,6 +438,7 @@ Table 1-5: Kernel info in /proc
  modules     List of loaded modules                            
  mounts      Mounted filesystems                               
  net         Networking info (see text)                        
+ pagetypeinfo Additional page allocator information (see text)  (2.5)
  partitions  Table of partitions known to the system           
  pci	     Deprecated info of PCI bus (new way -> /proc/bus/pci/,
              decoupled by lspci					(2.4)
@@ -584,7 +593,7 @@ Node 0, zone      DMA      0      4      5      4      4      3 ...
 Node 0, zone   Normal      1      0      0      1    101      8 ...
 Node 0, zone  HighMem      2      0      0      1      1      0 ...
 
-Memory fragmentation is a problem under some workloads, and buddyinfo is a 
+External fragmentation is a problem under some workloads, and buddyinfo is a
 useful tool for helping diagnose these problems.  Buddyinfo will give you a 
 clue as to how big an area you can safely allocate, or why a previous
 allocation failed.
@@ -594,6 +603,48 @@ available.  In this case, there are 0 chunks of 2^0*PAGE_SIZE available in
 ZONE_DMA, 4 chunks of 2^1*PAGE_SIZE in ZONE_DMA, 101 chunks of 2^4*PAGE_SIZE 
 available in ZONE_NORMAL, etc... 
 
+More information relevant to external fragmentation can be found in
+pagetypeinfo.
+
+> cat /proc/pagetypeinfo
+Page block order: 9
+Pages per block:  512
+
+Free pages count per migrate type at order       0      1      2      3      4      5      6      7      8      9     10
+Node    0, zone      DMA, type    Unmovable      0      0      0      1      1      1      1      1      1      1      0
+Node    0, zone      DMA, type  Reclaimable      0      0      0      0      0      0      0      0      0      0      0
+Node    0, zone      DMA, type      Movable      1      1      2      1      2      1      1      0      1      0      2
+Node    0, zone      DMA, type      Reserve      0      0      0      0      0      0      0      0      0      1      0
+Node    0, zone      DMA, type      Isolate      0      0      0      0      0      0      0      0      0      0      0
+Node    0, zone    DMA32, type    Unmovable    103     54     77      1      1      1     11      8      7      1      9
+Node    0, zone    DMA32, type  Reclaimable      0      0      2      1      0      0      0      0      1      0      0
+Node    0, zone    DMA32, type      Movable    169    152    113     91     77     54     39     13      6      1    452
+Node    0, zone    DMA32, type      Reserve      1      2      2      2      2      0      1      1      1      1      0
+Node    0, zone    DMA32, type      Isolate      0      0      0      0      0      0      0      0      0      0      0
+
+Number of blocks type     Unmovable  Reclaimable      Movable      Reserve      Isolate
+Node 0, zone      DMA            2            0            5            1            0
+Node 0, zone    DMA32           41            6          967            2            0
+
+Fragmentation avoidance in the kernel works by grouping pages of different
+migrate types into the same contiguous regions of memory called page blocks.
+A page block is typically the size of the default hugepage size e.g. 2MB on
+X86-64. By keeping pages grouped based on their ability to move, the kernel
+can reclaim pages within a page block to satisfy a high-order allocation.
+
+The pagetypinfo begins with information on the size of a page block. It
+then gives the same type of information as buddyinfo except broken down
+by migrate-type and finishes with details on how many page blocks of each
+type exist.
+
+If min_free_kbytes has been tuned correctly (recommendations made by hugeadm
+from libhugetlbfs http://sourceforge.net/projects/libhugetlbfs/), one can
+make an estimate of the likely number of huge pages that can be allocated
+at a given point in time. All the "Movable" blocks should be allocatable
+unless memory has been mlock()'d. Some of the Reclaimable blocks should
+also be allocatable although a lot of filesystem metadata may have to be
+reclaimed to achieve this.
+
 ..............................................................................
 
 meminfo:
diff --git a/Documentation/filesystems/sharedsubtree.txt b/Documentation/filesystems/sharedsubtree.txt
index 23a181074f94..fc0e39af43c3 100644
--- a/Documentation/filesystems/sharedsubtree.txt
+++ b/Documentation/filesystems/sharedsubtree.txt
@@ -837,6 +837,9 @@ replicas continue to be exactly same.
 	 individual lists does not affect propagation or the way propagation
 	 tree is modified by operations.
 
+	All vfsmounts in a peer group have the same ->mnt_master.  If it is
+	non-NULL, they form a contiguous (ordered) segment of slave list.
+
 	A example propagation tree looks as shown in the figure below.
 	[ NOTE: Though it looks like a forest, if we consider all the shared
 	mounts as a conceptual entity called 'pnode', it becomes a tree]
@@ -874,8 +877,19 @@ replicas continue to be exactly same.
 
 	NOTE: The propagation tree is orthogonal to the mount tree.
 
+8B Locking:
+
+	->mnt_share, ->mnt_slave, ->mnt_slave_list, ->mnt_master are protected
+	by namespace_sem (exclusive for modifications, shared for reading).
+
+	Normally we have ->mnt_flags modifications serialized by vfsmount_lock.
+	There are two exceptions: do_add_mount() and clone_mnt().
+	The former modifies a vfsmount that has not been visible in any shared
+	data structures yet.
+	The latter holds namespace_sem and the only references to vfsmount
+	are in lists that can't be traversed without namespace_sem.
 
-8B Algorithm:
+8C Algorithm:
 
 	The crux of the implementation resides in rbind/move operation.
 
diff --git a/Documentation/filesystems/tmpfs.txt b/Documentation/filesystems/tmpfs.txt
index 3015da0c6b2a..fe09a2cb1858 100644
--- a/Documentation/filesystems/tmpfs.txt
+++ b/Documentation/filesystems/tmpfs.txt
@@ -82,11 +82,13 @@ tmpfs has a mount option to set the NUMA memory allocation policy for
 all files in that instance (if CONFIG_NUMA is enabled) - which can be
 adjusted on the fly via 'mount -o remount ...'
 
-mpol=default             prefers to allocate memory from the local node
+mpol=default             use the process allocation policy
+                         (see set_mempolicy(2))
 mpol=prefer:Node         prefers to allocate memory from the given Node
 mpol=bind:NodeList       allocates memory only from nodes in NodeList
 mpol=interleave          prefers to allocate from each node in turn
 mpol=interleave:NodeList allocates from each node of NodeList in turn
+mpol=local		 prefers to allocate memory from the local node
 
 NodeList format is a comma-separated list of decimal numbers and ranges,
 a range being two hyphen-separated decimal numbers, the smallest and
@@ -134,3 +136,5 @@ Author:
    Christoph Rohland <cr@sap.com>, 1.12.01
 Updated:
    Hugh Dickins, 4 June 2007
+Updated:
+   KOSAKI Motohiro, 16 Mar 2010
diff --git a/Documentation/gpio.txt b/Documentation/gpio.txt
index 1866c27eec69..c2c6e9b39bbe 100644
--- a/Documentation/gpio.txt
+++ b/Documentation/gpio.txt
@@ -253,6 +253,70 @@ pin setup (e.g. controlling which pin the GPIO uses, pullup/pulldown).
 Also note that it's your responsibility to have stopped using a GPIO
 before you free it.
 
+Considering in most cases GPIOs are actually configured right after they
+are claimed, three additional calls are defined:
+
+	/* request a single GPIO, with initial configuration specified by
+	 * 'flags', identical to gpio_request() wrt other arguments and
+	 * return value
+	 */
+	int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
+
+	/* request multiple GPIOs in a single call
+	 */
+	int gpio_request_array(struct gpio *array, size_t num);
+
+	/* release multiple GPIOs in a single call
+	 */
+	void gpio_free_array(struct gpio *array, size_t num);
+
+where 'flags' is currently defined to specify the following properties:
+
+	* GPIOF_DIR_IN		- to configure direction as input
+	* GPIOF_DIR_OUT		- to configure direction as output
+
+	* GPIOF_INIT_LOW	- as output, set initial level to LOW
+	* GPIOF_INIT_HIGH	- as output, set initial level to HIGH
+
+since GPIOF_INIT_* are only valid when configured as output, so group valid
+combinations as:
+
+	* GPIOF_IN		- configure as input
+	* GPIOF_OUT_INIT_LOW	- configured as output, initial level LOW
+	* GPIOF_OUT_INIT_HIGH	- configured as output, initial level HIGH
+
+In the future, these flags can be extended to support more properties such
+as open-drain status.
+
+Further more, to ease the claim/release of multiple GPIOs, 'struct gpio' is
+introduced to encapsulate all three fields as:
+
+	struct gpio {
+		unsigned	gpio;
+		unsigned long	flags;
+		const char	*label;
+	};
+
+A typical example of usage:
+
+	static struct gpio leds_gpios[] = {
+		{ 32, GPIOF_OUT_INIT_HIGH, "Power LED" }, /* default to ON */
+		{ 33, GPIOF_OUT_INIT_LOW,  "Green LED" }, /* default to OFF */
+		{ 34, GPIOF_OUT_INIT_LOW,  "Red LED"   }, /* default to OFF */
+		{ 35, GPIOF_OUT_INIT_LOW,  "Blue LED"  }, /* default to OFF */
+		{ ... },
+	};
+
+	err = gpio_request_one(31, GPIOF_IN, "Reset Button");
+	if (err)
+		...
+
+	err = gpio_request_array(leds_gpios, ARRAY_SIZE(leds_gpios));
+	if (err)
+		...
+
+	gpio_free_array(leds_gpios, ARRAY_SIZE(leds_gpios));
+
 
 GPIOs mapped to IRQs
 --------------------
diff --git a/Documentation/hwmon/abituguru b/Documentation/hwmon/abituguru
index 87ffa0f5ec70..5eb3b9d5f0d5 100644
--- a/Documentation/hwmon/abituguru
+++ b/Documentation/hwmon/abituguru
@@ -30,7 +30,7 @@ Supported chips:
 	   bank1_types=1,1,0,0,0,0,0,2,0,0,0,0,2,0,0,1
 	   You may also need to specify the fan_sensors option for these boards
 	   fan_sensors=5
-	2) There is a seperate abituguru3 driver for these motherboards,
+	2) There is a separate abituguru3 driver for these motherboards,
 	   the abituguru (without the 3 !) driver will not work on these
 	   motherboards (and visa versa)!
 
diff --git a/Documentation/hwmon/adt7411 b/Documentation/hwmon/adt7411
new file mode 100644
index 000000000000..1632960f9745
--- /dev/null
+++ b/Documentation/hwmon/adt7411
@@ -0,0 +1,42 @@
+Kernel driver adt7411
+=====================
+
+Supported chips:
+  * Analog Devices ADT7411
+    Prefix: 'adt7411'
+    Addresses scanned: 0x48, 0x4a, 0x4b
+    Datasheet: Publicly available at the Analog Devices website
+
+Author: Wolfram Sang (based on adt7470 by Darrick J. Wong)
+
+Description
+-----------
+
+This driver implements support for the Analog Devices ADT7411 chip. There may
+be other chips that implement this interface.
+
+The ADT7411 can use an I2C/SMBus compatible 2-wire interface or an
+SPI-compatible 4-wire interface. It provides a 10-bit analog to digital
+converter which measures 1 temperature, vdd and 8 input voltages. It has an
+internal temperature sensor, but an external one can also be connected (one
+loses 2 inputs then). There are high- and low-limit registers for all inputs.
+
+Check the datasheet for details.
+
+sysfs-Interface
+---------------
+
+in0_input	- vdd voltage input
+in[1-8]_input	- analog 1-8 input
+temp1_input	- temperature input
+
+Besides standard interfaces, this driver adds (0 = off, 1 = on):
+
+  adc_ref_vdd	- Use vdd as reference instead of 2.25 V
+  fast_sampling	- Sample at 22.5 kHz instead of 1.4 kHz, but drop filters
+  no_average	- Turn off averaging over 16 samples
+
+Notes
+-----
+
+SPI, external temperature sensor and limit registers are not supported yet.
diff --git a/Documentation/hwmon/adt7473 b/Documentation/hwmon/adt7473
deleted file mode 100644
index 446612bd1fb9..000000000000
--- a/Documentation/hwmon/adt7473
+++ /dev/null
@@ -1,74 +0,0 @@
-Kernel driver adt7473
-======================
-
-Supported chips:
-  * Analog Devices ADT7473
-    Prefix: 'adt7473'
-    Addresses scanned: I2C 0x2C, 0x2D, 0x2E
-    Datasheet: Publicly available at the Analog Devices website
-
-Author: Darrick J. Wong
-
-This driver is depreacted, please use the adt7475 driver instead.
-
-Description
------------
-
-This driver implements support for the Analog Devices ADT7473 chip family.
-
-The ADT7473 uses the 2-wire interface compatible with the SMBUS 2.0
-specification. Using an analog to digital converter it measures three (3)
-temperatures and two (2) voltages. It has four (4) 16-bit counters for
-measuring fan speed. There are three (3) PWM outputs that can be used
-to control fan speed.
-
-A sophisticated control system for the PWM outputs is designed into the
-ADT7473 that allows fan speed to be adjusted automatically based on any of the
-three temperature sensors. Each PWM output is individually adjustable and
-programmable. Once configured, the ADT7473 will adjust the PWM outputs in
-response to the measured temperatures without further host intervention.
-This feature can also be disabled for manual control of the PWM's.
-
-Each of the measured inputs (voltage, temperature, fan speed) has
-corresponding high/low limit values. The ADT7473 will signal an ALARM if
-any measured value exceeds either limit.
-
-The ADT7473 samples all inputs continuously. The driver will not read
-the registers more often than once every other second. Further,
-configuration data is only read once per minute.
-
-Special Features
-----------------
-
-The ADT7473 have a 10-bit ADC and can therefore measure temperatures
-with 0.25 degC resolution. Temperature readings can be configured either
-for twos complement format or "Offset 64" format, wherein 63 is subtracted
-from the raw value to get the temperature value.
-
-The Analog Devices datasheet is very detailed and describes a procedure for
-determining an optimal configuration for the automatic PWM control.
-
-Configuration Notes
--------------------
-
-Besides standard interfaces driver adds the following:
-
-* PWM Control
-
-* pwm#_auto_point1_pwm and temp#_auto_point1_temp and
-* pwm#_auto_point2_pwm and temp#_auto_point2_temp -
-
-point1: Set the pwm speed at a lower temperature bound.
-point2: Set the pwm speed at a higher temperature bound.
-
-The ADT7473 will scale the pwm between the lower and higher pwm speed when
-the temperature is between the two temperature boundaries.  PWM values range
-from 0 (off) to 255 (full speed).  Fan speed will be set to maximum when the
-temperature sensor associated with the PWM control exceeds temp#_max.
-
-Notes
------
-
-The NVIDIA binary driver presents an ADT7473 chip via an on-card i2c bus.
-Unfortunately, they fail to set the i2c adapter class, so this driver may
-fail to find the chip until the nvidia driver is patched.
diff --git a/Documentation/hwmon/asc7621 b/Documentation/hwmon/asc7621
new file mode 100644
index 000000000000..7287be7e1f21
--- /dev/null
+++ b/Documentation/hwmon/asc7621
@@ -0,0 +1,296 @@
+Kernel driver asc7621
+==================
+
+Supported chips:
+    Andigilog aSC7621 and aSC7621a
+    Prefix: 'asc7621'
+    Addresses scanned: I2C 0x2c, 0x2d, 0x2e
+    Datasheet: http://www.fairview5.com/linux/asc7621/asc7621.pdf
+
+Author:
+		George Joseph
+
+Description provided by Dave Pivin @ Andigilog:
+
+Andigilog has both the PECI and pre-PECI versions of the Heceta-6, as
+Intel calls them. Heceta-6e has high frequency PWM and Heceta-6p has
+added PECI and a 4th thermal zone. The Andigilog aSC7611 is the
+Heceta-6e part and aSC7621 is the Heceta-6p part. They are both in
+volume production, shipping to Intel and their subs.
+
+We have enhanced both parts relative to the governing Intel
+specification. First enhancement is temperature reading resolution. We
+have used registers below 20h for vendor-specific functions in addition
+to those in the Intel-specified vendor range.
+
+Our conversion process produces a result that is reported as two bytes.
+The fan speed control uses this finer value to produce a "step-less" fan
+PWM output. These two bytes are "read-locked" to guarantee that once a
+high or low byte is read, the other byte is locked-in until after the
+next read of any register. So to get an atomic reading, read high or low
+byte, then the very next read should be the opposite byte. Our data
+sheet says 10-bits of resolution, although you may find the lower bits
+are active, they are not necessarily reliable or useful externally. We
+chose not to mask them.
+
+We employ significant filtering that is user tunable as described in the
+data sheet. Our temperature reports and fan PWM outputs are very smooth
+when compared to the competition, in addition to the higher resolution
+temperature reports. The smoother PWM output does not require user
+intervention.
+
+We offer GPIO features on the former VID pins. These are open-drain
+outputs or inputs and may be used as general purpose I/O or as alarm
+outputs that are based on temperature limits. These are in 19h and 1Ah.
+
+We offer flexible mapping of temperature readings to thermal zones. Any
+temperature may be mapped to any zone, which has a default assignment
+that follows Intel's specs.
+
+Since there is a fan to zone assignment that allows for the "hotter" of
+a set of zones to control the PWM of an individual fan, but there is no
+indication to the user, we have added an indicator that shows which zone
+is currently controlling the PWM for a given fan. This is in register
+00h.
+
+Both remote diode temperature readings may be given an offset value such
+that the reported reading as well as the temperature used to determine
+PWM may be offset for system calibration purposes.
+
+PECI Extended configuration allows for having more than two domains per
+PECI address and also provides an enabling function for each PECI
+address. One could use our flexible zone assignment to have a zone
+assigned to up to 4 PECI addresses. This is not possible in the default
+Intel configuration. This would be useful in multi-CPU systems with
+individual fans on each that would benefit from individual fan control.
+This is in register 0Eh.
+
+The tachometer measurement system is flexible and able to adapt to many
+fan types. We can also support pulse-stretched PWM so that 3-wire fans
+may be used. These characteristics are in registers 04h to 07h.
+
+Finally, we have added a tach disable function that turns off the tach
+measurement system for individual tachs in order to save power. That is
+in register 75h.
+
+--
+aSC7621 Product Description
+
+The aSC7621 has a two wire digital interface compatible with SMBus 2.0.
+Using a 10-bit ADC, the aSC7621 measures the temperature of two remote diode
+connected transistors as well as its own die. Support for Platform
+Environmental Control Interface (PECI) is included.
+
+Using temperature information from these four zones, an automatic fan speed
+control algorithm is employed to minimize acoustic impact while achieving
+recommended CPU temperature under varying operational loads.
+
+To set fan speed, the aSC7621 has three independent pulse width modulation
+(PWM) outputs that are controlled by one, or a combination of three,
+temperature zones. Both high- and low-frequency PWM ranges are supported.
+
+The aSC7621 also includes a digital filter that can be invoked to smooth
+temperature readings for better control of fan speed and minimum acoustic
+impact.
+
+The aSC7621 has tachometer inputs to measure fan speed on up to four fans.
+Limit and status registers for all measured values are included to alert
+the system host that any measurements are outside of programmed limits
+via status registers.
+
+System voltages of VCCP, 2.5V, 3.3V, 5.0V, and 12V motherboard power are
+monitored efficiently with internal scaling resistors.
+
+Features
+- Supports PECI interface and monitors internal and remote thermal diodes
+- 2-wire, SMBus 2.0 compliant, serial interface
+- 10-bit ADC
+- Monitors VCCP, 2.5V, 3.3V, 5.0V, and 12V motherboard/processor supplies
+- Programmable autonomous fan control based on temperature readings
+- Noise filtering of temperature reading for fan speed control
+- 0.25C digital temperature sensor resolution
+- 3 PWM fan speed control outputs for 2-, 3- or 4-wire fans and up to 4 fan
+	tachometer inputs
+- Enhanced measured temperature to Temperature Zone assignment.
+- Provides high and low PWM frequency ranges
+- 3 GPIO pins for custom use
+- 24-Lead QSOP package
+
+Configuration Notes
+===================
+
+Except where noted below, the sysfs entries created by this driver follow
+the standards defined in "sysfs-interface".
+
+temp1_source
+	0 	(default) peci_legacy = 0, Remote 1 Temperature
+			peci_legacy = 1, PECI Processor Temperature 0
+	1 	Remote 1 Temperature
+	2 	Remote 2 Temperature
+	3 	Internal Temperature
+	4 	PECI Processor Temperature 0
+	5 	PECI Processor Temperature 1
+	6 	PECI Processor Temperature 2
+	7  PECI Processor Temperature 3
+
+temp2_source
+	0 	(default) Internal Temperature
+	1 	Remote 1 Temperature
+	2 	Remote 2 Temperature
+	3 	Internal Temperature
+	4 	PECI Processor Temperature 0
+	5 	PECI Processor Temperature 1
+	6 	PECI Processor Temperature 2
+	7 	PECI Processor Temperature 3
+
+temp3_source
+	0 	(default) Remote 2 Temperature
+	1 	Remote 1 Temperature
+	2 	Remote 2 Temperature
+	3 	Internal Temperature
+	4 	PECI Processor Temperature 0
+	5 	PECI Processor Temperature 1
+	6 	PECI Processor Temperature 2
+	7 	PECI Processor Temperature 3
+
+temp4_source
+	0 	(default) peci_legacy = 0, PECI Processor Temperature 0
+			peci_legacy = 1, Remote 1 Temperature
+	1 	Remote 1 Temperature
+	2 	Remote 2 Temperature
+	3 	Internal Temperature
+	4 	PECI Processor Temperature 0
+	5 	PECI Processor Temperature 1
+	6 	PECI Processor Temperature 2
+	7 	PECI Processor Temperature 3
+
+temp[1-4]_smoothing_enable
+temp[1-4]_smoothing_time
+	Smooths spikes in temp readings caused by noise.
+	Valid values in milliseconds are:
+	35000
+	17600
+	11800
+	 7000
+	 4400
+	 3000
+	 1600
+	  800
+
+temp[1-4]_crit
+	When the corresponding zone temperature reaches this value,
+	ALL pwm outputs will got to 100%.
+
+temp[5-8]_input
+temp[5-8]_enable
+	The aSC7621 can also read temperatures provided by the processor
+	via the PECI bus.  Usually these are "core" temps and are relative
+	to the point where the automatic thermal control circuit starts
+	throttling.  This means that these are usually negative numbers.
+
+pwm[1-3]_enable
+	0		Fan off.
+	1		Fan on manual control.
+	2		Fan on automatic control and will run at the minimum pwm
+				if the temperature for the zone is below the minimum.
+	3		Fan on automatic control but will be off if the temperature
+				for the zone is below the minimum.
+	4-254	Ignored.
+	255		Fan on full.
+
+pwm[1-3]_auto_channels
+	Bitmap as described in sysctl-interface with the following
+	exceptions...
+	Only the following combination of zones (and their corresponding masks)
+	are valid:
+	1
+	2
+	3
+	2,3
+	1,2,3
+	4
+	1,2,3,4
+
+	Special values:
+	0			Disabled.
+	16		Fan on manual control.
+	31		Fan on full.
+
+
+pwm[1-3]_invert
+	When set, inverts the meaning of pwm[1-3].
+	i.e.  when pwm = 0, the fan will be on full and
+	when pwm = 255 the fan will be off.
+
+pwm[1-3]_freq
+	PWM frequency in Hz
+	Valid values in Hz are:
+
+	10
+	15
+	23
+	30  (default)
+	38
+	47
+	62
+	94
+	23000
+	24000
+	25000
+	26000
+	27000
+	28000
+	29000
+	30000
+
+	Setting any other value will be ignored.
+
+peci_enable
+	Enables or disables PECI
+
+peci_avg
+	Input filter average time.
+
+	0 	0 Sec. (no Smoothing) (default)
+	1 	0.25 Sec.
+	2 	0.5 Sec.
+	3 	1.0 Sec.
+	4 	2.0 Sec.
+	5 	4.0 Sec.
+	6 	8.0 Sec.
+	7 	0.0 Sec.
+
+peci_legacy
+
+	0	Standard Mode (default)
+		Remote Diode 1 reading is associated with
+		Temperature Zone 1, PECI is associated with
+		Zone 4
+
+	1	Legacy Mode
+		PECI is associated with Temperature Zone 1,
+		Remote Diode 1 is associated with Zone 4
+
+peci_diode
+	Diode filter
+
+	0	0.25 Sec.
+	1 	1.1 Sec.
+	2 	2.4 Sec.  (default)
+	3 	3.4 Sec.
+	4 	5.0 Sec.
+	5 	6.8 Sec.
+	6 	10.2 Sec.
+	7 	16.4 Sec.
+
+peci_4domain
+	Four domain enable
+
+	0 	1 or 2 Domains for enabled processors (default)
+	1 	3 or 4 Domains for enabled processors
+
+peci_domain
+	Domain
+
+	0 	Processor contains a single domain (0) 	 (default)
+	1 	Processor contains two domains (0,1)
diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87
index f9ba96c0ac4a..8d08bf0d38ed 100644
--- a/Documentation/hwmon/it87
+++ b/Documentation/hwmon/it87
@@ -5,31 +5,23 @@ Supported chips:
   * IT8705F
     Prefix: 'it87'
     Addresses scanned: from Super I/O config space (8 I/O ports)
-    Datasheet: Publicly available at the ITE website
-               http://www.ite.com.tw/product_info/file/pc/IT8705F_V.0.4.1.pdf
+    Datasheet: Once publicly available at the ITE website, but no longer
   * IT8712F
     Prefix: 'it8712'
     Addresses scanned: from Super I/O config space (8 I/O ports)
-    Datasheet: Publicly available at the ITE website
-               http://www.ite.com.tw/product_info/file/pc/IT8712F_V0.9.1.pdf
-               http://www.ite.com.tw/product_info/file/pc/Errata%20V0.1%20for%20IT8712F%20V0.9.1.pdf
-               http://www.ite.com.tw/product_info/file/pc/IT8712F_V0.9.3.pdf
+    Datasheet: Once publicly available at the ITE website, but no longer
   * IT8716F/IT8726F
     Prefix: 'it8716'
     Addresses scanned: from Super I/O config space (8 I/O ports)
-    Datasheet: Publicly available at the ITE website
-               http://www.ite.com.tw/product_info/file/pc/IT8716F_V0.3.ZIP
-               http://www.ite.com.tw/product_info/file/pc/IT8726F_V0.3.pdf
+    Datasheet: Once publicly available at the ITE website, but no longer
   * IT8718F
     Prefix: 'it8718'
     Addresses scanned: from Super I/O config space (8 I/O ports)
-    Datasheet: Publicly available at the ITE website
-               http://www.ite.com.tw/product_info/file/pc/IT8718F_V0.2.zip
-               http://www.ite.com.tw/product_info/file/pc/IT8718F_V0%203_(for%20C%20version).zip
+    Datasheet: Once publicly available at the ITE website, but no longer
   * IT8720F
     Prefix: 'it8720'
     Addresses scanned: from Super I/O config space (8 I/O ports)
-    Datasheet: Not yet publicly available.
+    Datasheet: Not publicly available
   * SiS950   [clone of IT8705F]
     Prefix: 'it87'
     Addresses scanned: from Super I/O config space (8 I/O ports)
@@ -136,6 +128,10 @@ registers are read whenever any data is read (unless it is less than 1.5
 seconds since the last update). This means that you can easily miss
 once-only alarms.
 
+Out-of-limit readings can also result in beeping, if the chip is properly
+wired and configured. Beeping can be enabled or disabled per sensor type
+(temperatures, voltages and fans.)
+
 The IT87xx only updates its values each 1.5 seconds; reading it more often
 will do no harm, but will return 'old' values.
 
@@ -150,11 +146,38 @@ Fan speed control
 -----------------
 
 The fan speed control features are limited to manual PWM mode. Automatic
-"Smart Guardian" mode control handling is not implemented. However
-if you want to go for "manual mode" just write 1 to pwmN_enable.
+"Smart Guardian" mode control handling is only implemented for older chips
+(see below.) However if you want to go for "manual mode" just write 1 to
+pwmN_enable.
 
 If you are only able to control the fan speed with very small PWM values,
 try lowering the PWM base frequency (pwm1_freq). Depending on the fan,
 it may give you a somewhat greater control range. The same frequency is
 used to drive all fan outputs, which is why pwm2_freq and pwm3_freq are
 read-only.
+
+
+Automatic fan speed control (old interface)
+-------------------------------------------
+
+The driver supports the old interface to automatic fan speed control
+which is implemented by IT8705F chips up to revision F and IT8712F
+chips up to revision G.
+
+This interface implements 4 temperature vs. PWM output trip points.
+The PWM output of trip point 4 is always the maximum value (fan running
+at full speed) while the PWM output of the other 3 trip points can be
+freely chosen. The temperature of all 4 trip points can be freely chosen.
+Additionally, trip point 1 has an hysteresis temperature attached, to
+prevent fast switching between fan on and off.
+
+The chip automatically computes the PWM output value based on the input
+temperature, based on this simple rule: if the temperature value is
+between trip point N and trip point N+1 then the PWM output value is
+the one of trip point N. The automatic control mode is less flexible
+than the manual control mode, but it reacts faster, is more robust and
+doesn't use CPU cycles.
+
+Trip points must be set properly before switching to automatic fan speed
+control mode. The driver will perform basic integrity checks before
+actually switching to automatic control mode.
diff --git a/Documentation/hwmon/lm90 b/Documentation/hwmon/lm90
index 93d8e3d55150..6a03dd4bcc94 100644
--- a/Documentation/hwmon/lm90
+++ b/Documentation/hwmon/lm90
@@ -84,6 +84,10 @@ Supported chips:
     Addresses scanned: I2C 0x4c
     Datasheet: Publicly available at the Maxim website
                http://www.maxim-ic.com/quick_view2.cfm/qv_pk/3500
+  * Winbond/Nuvoton W83L771AWG/ASG
+    Prefix: 'w83l771'
+    Addresses scanned: I2C 0x4c
+    Datasheet: Not publicly available, can be requested from Nuvoton
 
 
 Author: Jean Delvare <khali@linux-fr.org>
@@ -147,6 +151,12 @@ MAX6680 and MAX6681:
   * Selectable address
   * Remote sensor type selection
 
+W83L771AWG/ASG
+  * The AWG and ASG variants only differ in package format.
+  * Filter and alert configuration register at 0xBF
+  * Diode ideality factor configuration (remote sensor) at 0xE3
+  * Moving average (depending on conversion rate)
+
 All temperature values are given in degrees Celsius. Resolution
 is 1.0 degree for the local temperature, 0.125 degree for the remote
 temperature, except for the MAX6657, MAX6658 and MAX6659 which have a
@@ -163,6 +173,18 @@ The lm90 driver will not update its values more frequently than every
 other second; reading them more often will do no harm, but will return
 'old' values.
 
+SMBus Alert Support
+-------------------
+
+This driver has basic support for SMBus alert. When an alert is received,
+the status register is read and the faulty temperature channel is logged.
+
+The Analog Devices chips (ADM1032 and ADT7461) do not implement the SMBus
+alert protocol properly so additional care is needed: the ALERT output is
+disabled when an alert is received, and is re-enabled only when the alarm
+is gone. Otherwise the chip would block alerts from other chips in the bus
+as long as the alarm is active.
+
 PEC Support
 -----------
 
diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index 81c0c59a60ea..e1bb5b261693 100644
--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -15,7 +15,8 @@ Supported adapters:
   * Intel 82801I (ICH9)
   * Intel EP80579 (Tolapai)
   * Intel 82801JI (ICH10)
-  * Intel PCH
+  * Intel 3400/5 Series (PCH)
+  * Intel Cougar Point (PCH)
    Datasheets: Publicly available at the Intel website
 
 Authors: 
diff --git a/Documentation/i2c/busses/i2c-parport b/Documentation/i2c/busses/i2c-parport
index dceaba1ad930..2461c7b53b2c 100644
--- a/Documentation/i2c/busses/i2c-parport
+++ b/Documentation/i2c/busses/i2c-parport
@@ -29,6 +29,9 @@ can be easily added when needed.
 Earlier kernels defaulted to type=0 (Philips).  But now, if the type
 parameter is missing, the driver will simply fail to initialize.
 
+SMBus alert support is available on adapters which have this line properly
+connected to the parallel port's interrupt pin.
+
 
 Building your own adapter
 -------------------------
diff --git a/Documentation/i2c/busses/i2c-parport-light b/Documentation/i2c/busses/i2c-parport-light
index 287436478520..bdc9cbb2e0f2 100644
--- a/Documentation/i2c/busses/i2c-parport-light
+++ b/Documentation/i2c/busses/i2c-parport-light
@@ -9,3 +9,14 @@ parport handling is not an option. The drawback is a reduced portability
 and the impossibility to daisy-chain other parallel port devices.                 
   
 Please see i2c-parport for documentation.
+
+Module parameters:
+
+* type: type of adapter (see i2c-parport or modinfo)
+
+* base: base I/O address
+  Default is 0x378 which is fairly common for parallel ports, at least on PC.
+
+* irq: optional IRQ
+  This must be passed if you want SMBus alert support, assuming your adapter
+  actually supports this.
diff --git a/Documentation/i2c/smbus-protocol b/Documentation/i2c/smbus-protocol
index 9df47441f0e7..7c19d1a2bea0 100644
--- a/Documentation/i2c/smbus-protocol
+++ b/Documentation/i2c/smbus-protocol
@@ -185,6 +185,22 @@ the protocol. All ARP communications use slave address 0x61 and
 require PEC checksums.
 
 
+SMBus Alert
+===========
+
+SMBus Alert was introduced in Revision 1.0 of the specification.
+
+The SMBus alert protocol allows several SMBus slave devices to share a
+single interrupt pin on the SMBus master, while still allowing the master
+to know which slave triggered the interrupt.
+
+This is implemented the following way in the Linux kernel:
+* I2C bus drivers which support SMBus alert should call
+  i2c_setup_smbus_alert() to setup SMBus alert support.
+* I2C drivers for devices which can trigger SMBus alerts should implement
+  the optional alert() callback.
+
+
 I2C Block Transactions
 ======================
 
diff --git a/Documentation/i2c/writing-clients b/Documentation/i2c/writing-clients
index 0a74603eb671..3219ee0dbfef 100644
--- a/Documentation/i2c/writing-clients
+++ b/Documentation/i2c/writing-clients
@@ -318,8 +318,9 @@ Plain I2C communication
 These routines read and write some bytes from/to a client. The client
 contains the i2c address, so you do not have to include it. The second
 parameter contains the bytes to read/write, the third the number of bytes
-to read/write (must be less than the length of the buffer.) Returned is
-the actual number of bytes read/written.
+to read/write (must be less than the length of the buffer, also should be
+less than 64k since msg.len is u16.) Returned is the actual number of bytes
+read/written.
 
 	int i2c_transfer(struct i2c_adapter *adap, struct i2c_msg *msg,
 			 int num);
diff --git a/Documentation/init.txt b/Documentation/init.txt
new file mode 100644
index 000000000000..535ad5e82b98
--- /dev/null
+++ b/Documentation/init.txt
@@ -0,0 +1,49 @@
+Explaining the dreaded "No init found." boot hang message
+=========================================================
+
+OK, so you've got this pretty unintuitive message (currently located
+in init/main.c) and are wondering what the H*** went wrong.
+Some high-level reasons for failure (listed roughly in order of execution)
+to load the init binary are:
+A) Unable to mount root FS
+B) init binary doesn't exist on rootfs
+C) broken console device
+D) binary exists but dependencies not available
+E) binary cannot be loaded
+
+Detailed explanations:
+0) Set "debug" kernel parameter (in bootloader config file or CONFIG_CMDLINE)
+   to get more detailed kernel messages.
+A) make sure you have the correct root FS type
+   (and root= kernel parameter points to the correct partition),
+   required drivers such as storage hardware (such as SCSI or USB!)
+   and filesystem (ext3, jffs2 etc.) are builtin (alternatively as modules,
+   to be pre-loaded by an initrd)
+C) Possibly a conflict in console= setup --> initial console unavailable.
+   E.g. some serial consoles are unreliable due to serial IRQ issues (e.g.
+   missing interrupt-based configuration).
+   Try using a different console= device or e.g. netconsole= .
+D) e.g. required library dependencies of the init binary such as
+   /lib/ld-linux.so.2 missing or broken. Use readelf -d <INIT>|grep NEEDED
+   to find out which libraries are required.
+E) make sure the binary's architecture matches your hardware.
+   E.g. i386 vs. x86_64 mismatch, or trying to load x86 on ARM hardware.
+   In case you tried loading a non-binary file here (shell script?),
+   you should make sure that the script specifies an interpreter in its shebang
+   header line (#!/...) that is fully working (including its library
+   dependencies). And before tackling scripts, better first test a simple
+   non-script binary such as /bin/sh and confirm its successful execution.
+   To find out more, add code to init/main.c to display kernel_execve()s
+   return values.
+
+Please extend this explanation whenever you find new failure causes
+(after all loading the init binary is a CRITICAL and hard transition step
+which needs to be made as painless as possible), then submit patch to LKML.
+Further TODOs:
+- Implement the various run_init_process() invocations via a struct array
+  which can then store the kernel_execve() result value and on failure
+  log it all by iterating over _all_ results (very important usability fix).
+- try to make the implementation itself more helpful in general,
+  e.g. by providing additional error messages at affected places.
+
+Andreas Mohr <andi at lisas period de>
diff --git a/Documentation/input/rotary-encoder.txt b/Documentation/input/rotary-encoder.txt
index 3a6aec40c0b0..8b4129de1d2d 100644
--- a/Documentation/input/rotary-encoder.txt
+++ b/Documentation/input/rotary-encoder.txt
@@ -75,7 +75,7 @@ and the number of steps or will clamp at the maximum and zero depending on
 the configuration.
 
 Because GPIO to IRQ mapping is platform specific, this information must
-be given in seperately to the driver. See the example below.
+be given in separately to the driver. See the example below.
 
 ---------<snip>---------
 
diff --git a/Documentation/ioctl/ioctl-number.txt b/Documentation/ioctl/ioctl-number.txt
index 35cf64d4436d..dd5806f4fcc4 100644
--- a/Documentation/ioctl/ioctl-number.txt
+++ b/Documentation/ioctl/ioctl-number.txt
@@ -139,7 +139,6 @@ Code  Seq#(hex)	Include File		Comments
 'K'	all	linux/kd.h
 'L'	00-1F	linux/loop.h		conflict!
 'L'	10-1F	drivers/scsi/mpt2sas/mpt2sas_ctl.h	conflict!
-'L'	20-2F	linux/usb/vstusb.h
 'L'	E0-FF	linux/ppdd.h		encrypted disk device driver
 					<http://linux01.gwdg.de/~alatham/ppdd.html>
 'M'	all	linux/soundcard.h	conflict!
@@ -292,6 +291,7 @@ Code  Seq#(hex)	Include File		Comments
 0x92	00-0F	drivers/usb/mon/mon_bin.c
 0x93	60-7F	linux/auto_fs.h
 0x94	all	fs/btrfs/ioctl.h
+0x97	00-7F	fs/ceph/ioctl.h		Ceph file system
 0x99	00-0F				537-Addinboard driver
 					<mailto:buk@buks.ipn.de>
 0xA0	all	linux/sdp/sdp.h		Industrial Device Project
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index fbcddc5abe25..e4cbca58536c 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -200,10 +200,6 @@ and is between 256 and 4096 characters. It is defined in the file
 			acpi_display_output=video
 			See above.
 
-	acpi_early_pdc_eval	[HW,ACPI] Evaluate processor _PDC methods
-				early. Needed on some platforms to properly
-				initialize the EC.
-
 	acpi_irq_balance [HW,ACPI]
 			ACPI will balance active IRQs
 			default in APIC mode
@@ -1794,6 +1790,12 @@ and is between 256 and 4096 characters. It is defined in the file
 			purges which is reported from either PAL_VM_SUMMARY or
 			SAL PALO.
 
+	nr_cpus=	[SMP] Maximum number of processors that	an SMP kernel
+			could support.  nr_cpus=n : n >= 1 limits the kernel to
+			supporting 'n' processors. Later in runtime you can not
+			use hotplug cpu feature to put more cpu back to online.
+			just like you compile the kernel NR_CPUS=n
+
 	nr_uarts=	[SERIAL] maximum number of UARTs to be registered.
 
 	numa_zonelist_order= [KNL, BOOT] Select zonelist order for NUMA.
@@ -2828,6 +2830,12 @@ and is between 256 and 4096 characters. It is defined in the file
 			default x2apic cluster mode on platforms
 			supporting x2apic.
 
+	x86_mrst_timer= [X86-32,APBT]
+			Choose timer option for x86 Moorestown MID platform.
+			Two valid options are apbt timer only and lapic timer
+			plus one apbt timer for broadcast timer.
+			x86_mrst_timer=apbt_only | lapic_and_apbt
+
 	xd=		[HW,XT] Original XT pre-IDE (RLL encoded) disks.
 	xd_geo=		See header of drivers/block/xd.c.
 
diff --git a/Documentation/kobject.txt b/Documentation/kobject.txt
index c79ab996dada..3ab2472509cb 100644
--- a/Documentation/kobject.txt
+++ b/Documentation/kobject.txt
@@ -59,37 +59,56 @@ nice to have in other objects.  The C language does not allow for the
 direct expression of inheritance, so other techniques - such as structure
 embedding - must be used.
 
-So, for example, the UIO code has a structure that defines the memory
-region associated with a uio device:
+(As an aside, for those familiar with the kernel linked list implementation,
+this is analogous as to how "list_head" structs are rarely useful on
+their own, but are invariably found embedded in the larger objects of
+interest.)
 
-struct uio_mem {
+So, for example, the UIO code in drivers/uio/uio.c has a structure that
+defines the memory region associated with a uio device:
+
+    struct uio_map {
 	struct kobject kobj;
-	unsigned long addr;
-	unsigned long size;
-	int memtype;
-	void __iomem *internal_addr;
-};
+	struct uio_mem *mem;
+    };
 
-If you have a struct uio_mem structure, finding its embedded kobject is
+If you have a struct uio_map structure, finding its embedded kobject is
 just a matter of using the kobj member.  Code that works with kobjects will
 often have the opposite problem, however: given a struct kobject pointer,
 what is the pointer to the containing structure?  You must avoid tricks
 (such as assuming that the kobject is at the beginning of the structure)
 and, instead, use the container_of() macro, found in <linux/kernel.h>:
 
-	container_of(pointer, type, member)
+    container_of(pointer, type, member)
+
+where:
+
+  * "pointer" is the pointer to the embedded kobject,
+  * "type" is the type of the containing structure, and
+  * "member" is the name of the structure field to which "pointer" points.
+
+The return value from container_of() is a pointer to the corresponding
+container type. So, for example, a pointer "kp" to a struct kobject
+embedded *within* a struct uio_map could be converted to a pointer to the
+*containing* uio_map structure with:
+
+    struct uio_map *u_map = container_of(kp, struct uio_map, kobj);
+
+For convenience, programmers often define a simple macro for "back-casting"
+kobject pointers to the containing type.  Exactly this happens in the
+earlier drivers/uio/uio.c, as you can see here:
+
+    struct uio_map {
+        struct kobject kobj;
+        struct uio_mem *mem;
+    };
 
-where pointer is the pointer to the embedded kobject, type is the type of
-the containing structure, and member is the name of the structure field to
-which pointer points.  The return value from container_of() is a pointer to
-the given type. So, for example, a pointer "kp" to a struct kobject
-embedded within a struct uio_mem could be converted to a pointer to the
-containing uio_mem structure with:
+    #define to_map(map) container_of(map, struct uio_map, kobj)
 
-    struct uio_mem *u_mem = container_of(kp, struct uio_mem, kobj);
+where the macro argument "map" is a pointer to the struct kobject in
+question.  That macro is subsequently invoked with:
 
-Programmers often define a simple macro for "back-casting" kobject pointers
-to the containing type.
+    struct uio_map *map = to_map(kobj);
 
 
 Initialization of kobjects
@@ -266,7 +285,7 @@ kobj_type:
 
     struct kobj_type {
 	    void (*release)(struct kobject *);
-	    struct sysfs_ops	*sysfs_ops;
+	    const struct sysfs_ops *sysfs_ops;
 	    struct attribute	**default_attrs;
     };
 
@@ -387,4 +406,5 @@ called, and the objects in the former circle release each other.
 Example code to copy from
 
 For a more complete example of using ksets and kobjects properly, see the
-sample/kobject/kset-example.c code.
+example programs samples/kobject/{kobject-example.c,kset-example.c},
+which will be built as loadable modules if you select CONFIG_SAMPLE_KOBJECT.
diff --git a/Documentation/kprobes.txt b/Documentation/kprobes.txt
index 053037a1fe6d..2f9115c0ae62 100644
--- a/Documentation/kprobes.txt
+++ b/Documentation/kprobes.txt
@@ -1,6 +1,7 @@
 Title	: Kernel Probes (Kprobes)
 Authors	: Jim Keniston <jkenisto@us.ibm.com>
-	: Prasanna S Panchamukhi <prasanna@in.ibm.com>
+	: Prasanna S Panchamukhi <prasanna.panchamukhi@gmail.com>
+	: Masami Hiramatsu <mhiramat@redhat.com>
 
 CONTENTS
 
@@ -15,6 +16,7 @@ CONTENTS
 9. Jprobes Example
 10. Kretprobes Example
 Appendix A: The kprobes debugfs interface
+Appendix B: The kprobes sysctl interface
 
 1. Concepts: Kprobes, Jprobes, Return Probes
 
@@ -42,13 +44,13 @@ registration/unregistration of a group of *probes. These functions
 can speed up unregistration process when you have to unregister
 a lot of probes at once.
 
-The next three subsections explain how the different types of
-probes work.  They explain certain things that you'll need to
-know in order to make the best use of Kprobes -- e.g., the
-difference between a pre_handler and a post_handler, and how
-to use the maxactive and nmissed fields of a kretprobe.  But
-if you're in a hurry to start using Kprobes, you can skip ahead
-to section 2.
+The next four subsections explain how the different types of
+probes work and how jump optimization works.  They explain certain
+things that you'll need to know in order to make the best use of
+Kprobes -- e.g., the difference between a pre_handler and
+a post_handler, and how to use the maxactive and nmissed fields of
+a kretprobe.  But if you're in a hurry to start using Kprobes, you
+can skip ahead to section 2.
 
 1.1 How Does a Kprobe Work?
 
@@ -161,13 +163,125 @@ In case probed function is entered but there is no kretprobe_instance
 object available, then in addition to incrementing the nmissed count,
 the user entry_handler invocation is also skipped.
 
+1.4 How Does Jump Optimization Work?
+
+If you configured your kernel with CONFIG_OPTPROBES=y (currently
+this option is supported on x86/x86-64, non-preemptive kernel) and
+the "debug.kprobes_optimization" kernel parameter is set to 1 (see
+sysctl(8)), Kprobes tries to reduce probe-hit overhead by using a jump
+instruction instead of a breakpoint instruction at each probepoint.
+
+1.4.1 Init a Kprobe
+
+When a probe is registered, before attempting this optimization,
+Kprobes inserts an ordinary, breakpoint-based kprobe at the specified
+address. So, even if it's not possible to optimize this particular
+probepoint, there'll be a probe there.
+
+1.4.2 Safety Check
+
+Before optimizing a probe, Kprobes performs the following safety checks:
+
+- Kprobes verifies that the region that will be replaced by the jump
+instruction (the "optimized region") lies entirely within one function.
+(A jump instruction is multiple bytes, and so may overlay multiple
+instructions.)
+
+- Kprobes analyzes the entire function and verifies that there is no
+jump into the optimized region.  Specifically:
+  - the function contains no indirect jump;
+  - the function contains no instruction that causes an exception (since
+  the fixup code triggered by the exception could jump back into the
+  optimized region -- Kprobes checks the exception tables to verify this);
+  and
+  - there is no near jump to the optimized region (other than to the first
+  byte).
+
+- For each instruction in the optimized region, Kprobes verifies that
+the instruction can be executed out of line.
+
+1.4.3 Preparing Detour Buffer
+
+Next, Kprobes prepares a "detour" buffer, which contains the following
+instruction sequence:
+- code to push the CPU's registers (emulating a breakpoint trap)
+- a call to the trampoline code which calls user's probe handlers.
+- code to restore registers
+- the instructions from the optimized region
+- a jump back to the original execution path.
+
+1.4.4 Pre-optimization
+
+After preparing the detour buffer, Kprobes verifies that none of the
+following situations exist:
+- The probe has either a break_handler (i.e., it's a jprobe) or a
+post_handler.
+- Other instructions in the optimized region are probed.
+- The probe is disabled.
+In any of the above cases, Kprobes won't start optimizing the probe.
+Since these are temporary situations, Kprobes tries to start
+optimizing it again if the situation is changed.
+
+If the kprobe can be optimized, Kprobes enqueues the kprobe to an
+optimizing list, and kicks the kprobe-optimizer workqueue to optimize
+it.  If the to-be-optimized probepoint is hit before being optimized,
+Kprobes returns control to the original instruction path by setting
+the CPU's instruction pointer to the copied code in the detour buffer
+-- thus at least avoiding the single-step.
+
+1.4.5 Optimization
+
+The Kprobe-optimizer doesn't insert the jump instruction immediately;
+rather, it calls synchronize_sched() for safety first, because it's
+possible for a CPU to be interrupted in the middle of executing the
+optimized region(*).  As you know, synchronize_sched() can ensure
+that all interruptions that were active when synchronize_sched()
+was called are done, but only if CONFIG_PREEMPT=n.  So, this version
+of kprobe optimization supports only kernels with CONFIG_PREEMPT=n.(**)
+
+After that, the Kprobe-optimizer calls stop_machine() to replace
+the optimized region with a jump instruction to the detour buffer,
+using text_poke_smp().
+
+1.4.6 Unoptimization
+
+When an optimized kprobe is unregistered, disabled, or blocked by
+another kprobe, it will be unoptimized.  If this happens before
+the optimization is complete, the kprobe is just dequeued from the
+optimized list.  If the optimization has been done, the jump is
+replaced with the original code (except for an int3 breakpoint in
+the first byte) by using text_poke_smp().
+
+(*)Please imagine that the 2nd instruction is interrupted and then
+the optimizer replaces the 2nd instruction with the jump *address*
+while the interrupt handler is running. When the interrupt
+returns to original address, there is no valid instruction,
+and it causes an unexpected result.
+
+(**)This optimization-safety checking may be replaced with the
+stop-machine method that ksplice uses for supporting a CONFIG_PREEMPT=y
+kernel.
+
+NOTE for geeks:
+The jump optimization changes the kprobe's pre_handler behavior.
+Without optimization, the pre_handler can change the kernel's execution
+path by changing regs->ip and returning 1.  However, when the probe
+is optimized, that modification is ignored.  Thus, if you want to
+tweak the kernel's execution path, you need to suppress optimization,
+using one of the following techniques:
+- Specify an empty function for the kprobe's post_handler or break_handler.
+ or
+- Config CONFIG_OPTPROBES=n.
+ or
+- Execute 'sysctl -w debug.kprobes_optimization=n'
+
 2. Architectures Supported
 
 Kprobes, jprobes, and return probes are implemented on the following
 architectures:
 
-- i386
-- x86_64 (AMD-64, EM64T)
+- i386 (Supports jump optimization)
+- x86_64 (AMD-64, EM64T) (Supports jump optimization)
 - ppc64
 - ia64 (Does not support probes on instruction slot1.)
 - sparc64 (Return probes not yet implemented.)
@@ -193,6 +307,10 @@ it useful to "Compile the kernel with debug info" (CONFIG_DEBUG_INFO),
 so you can use "objdump -d -l vmlinux" to see the source-to-object
 code mapping.
 
+If you want to reduce probing overhead, set "Kprobes jump optimization
+support" (CONFIG_OPTPROBES) to "y". You can find this option under the
+"Kprobes" line.
+
 4. API Reference
 
 The Kprobes API includes a "register" function and an "unregister"
@@ -389,7 +507,10 @@ the probe which has been registered.
 
 Kprobes allows multiple probes at the same address.  Currently,
 however, there cannot be multiple jprobes on the same function at
-the same time.
+the same time.  Also, a probepoint for which there is a jprobe or
+a post_handler cannot be optimized.  So if you install a jprobe,
+or a kprobe with a post_handler, at an optimized probepoint, the
+probepoint will be unoptimized automatically.
 
 In general, you can install a probe anywhere in the kernel.
 In particular, you can probe interrupt handlers.  Known exceptions
@@ -453,6 +574,38 @@ reason, Kprobes doesn't support return probes (or kprobes or jprobes)
 on the x86_64 version of __switch_to(); the registration functions
 return -EINVAL.
 
+On x86/x86-64, since the Jump Optimization of Kprobes modifies
+instructions widely, there are some limitations to optimization. To
+explain it, we introduce some terminology. Imagine a 3-instruction
+sequence consisting of a two 2-byte instructions and one 3-byte
+instruction.
+
+        IA
+         |
+[-2][-1][0][1][2][3][4][5][6][7]
+        [ins1][ins2][  ins3 ]
+	[<-     DCR       ->]
+	   [<- JTPR ->]
+
+ins1: 1st Instruction
+ins2: 2nd Instruction
+ins3: 3rd Instruction
+IA:  Insertion Address
+JTPR: Jump Target Prohibition Region
+DCR: Detoured Code Region
+
+The instructions in DCR are copied to the out-of-line buffer
+of the kprobe, because the bytes in DCR are replaced by
+a 5-byte jump instruction. So there are several limitations.
+
+a) The instructions in DCR must be relocatable.
+b) The instructions in DCR must not include a call instruction.
+c) JTPR must not be targeted by any jump or call instruction.
+d) DCR must not straddle the border betweeen functions.
+
+Anyway, these limitations are checked by the in-kernel instruction
+decoder, so you don't need to worry about that.
+
 6. Probe Overhead
 
 On a typical CPU in use in 2005, a kprobe hit takes 0.5 to 1.0
@@ -476,6 +629,19 @@ k = 0.49 usec; j = 0.76; r = 0.80; kr = 0.82; jr = 1.07
 ppc64: POWER5 (gr), 1656 MHz (SMT disabled, 1 virtual CPU per physical CPU)
 k = 0.77 usec; j = 1.31; r = 1.26; kr = 1.45; jr = 1.99
 
+6.1 Optimized Probe Overhead
+
+Typically, an optimized kprobe hit takes 0.07 to 0.1 microseconds to
+process. Here are sample overhead figures (in usec) for x86 architectures.
+k = unoptimized kprobe, b = boosted (single-step skipped), o = optimized kprobe,
+r = unoptimized kretprobe, rb = boosted kretprobe, ro = optimized kretprobe.
+
+i386: Intel(R) Xeon(R) E5410, 2.33GHz, 4656.90 bogomips
+k = 0.80 usec; b = 0.33; o = 0.05; r = 1.10; rb = 0.61; ro = 0.33
+
+x86-64: Intel(R) Xeon(R) E5410, 2.33GHz, 4656.90 bogomips
+k = 0.99 usec; b = 0.43; o = 0.06; r = 1.24; rb = 0.68; ro = 0.30
+
 7. TODO
 
 a. SystemTap (http://sourceware.org/systemtap): Provides a simplified
@@ -523,7 +689,8 @@ is also specified. Following columns show probe status. If the probe is on
 a virtual address that is no longer valid (module init sections, module
 virtual addresses that correspond to modules that've been unloaded),
 such probes are marked with [GONE]. If the probe is temporarily disabled,
-such probes are marked with [DISABLED].
+such probes are marked with [DISABLED]. If the probe is optimized, it is
+marked with [OPTIMIZED].
 
 /sys/kernel/debug/kprobes/enabled: Turn kprobes ON/OFF forcibly.
 
@@ -533,3 +700,19 @@ registered probes will be disarmed, till such time a "1" is echoed to this
 file. Note that this knob just disarms and arms all kprobes and doesn't
 change each probe's disabling state. This means that disabled kprobes (marked
 [DISABLED]) will be not enabled if you turn ON all kprobes by this knob.
+
+
+Appendix B: The kprobes sysctl interface
+
+/proc/sys/debug/kprobes-optimization: Turn kprobes optimization ON/OFF.
+
+When CONFIG_OPTPROBES=y, this sysctl interface appears and it provides
+a knob to globally and forcibly turn jump optimization (see section
+1.4) ON or OFF. By default, jump optimization is allowed (ON).
+If you echo "0" to this file or set "debug.kprobes_optimization" to
+0 via sysctl, all optimized probes will be unoptimized, and any new
+probes registered after that will not be optimized.  Note that this
+knob *changes* the optimized state. This means that optimized probes
+(marked [OPTIMIZED]) will be unoptimized ([OPTIMIZED] tag will be
+removed). If the knob is turned on, they will be optimized again.
+
diff --git a/Documentation/kvm/api.txt b/Documentation/kvm/api.txt
index 2811e452f756..c6416a398163 100644
--- a/Documentation/kvm/api.txt
+++ b/Documentation/kvm/api.txt
@@ -23,12 +23,12 @@ of a virtual machine.  The ioctls belong to three classes
    Only run vcpu ioctls from the same thread that was used to create the
    vcpu.
 
-2. File descritpors
+2. File descriptors
 
 The kvm API is centered around file descriptors.  An initial
 open("/dev/kvm") obtains a handle to the kvm subsystem; this handle
 can be used to issue system ioctls.  A KVM_CREATE_VM ioctl on this
-handle will create a VM file descripror which can be used to issue VM
+handle will create a VM file descriptor which can be used to issue VM
 ioctls.  A KVM_CREATE_VCPU ioctl on a VM fd will create a virtual cpu
 and return a file descriptor pointing to it.  Finally, ioctls on a vcpu
 fd can be used to control the vcpu, including the important task of
@@ -643,7 +643,7 @@ Type: vm ioctl
 Parameters: struct kvm_clock_data (in)
 Returns: 0 on success, -1 on error
 
-Sets the current timestamp of kvmclock to the valued specific in its parameter.
+Sets the current timestamp of kvmclock to the value specified in its parameter.
 In conjunction with KVM_GET_CLOCK, it is used to ensure monotonicity on scenarios
 such as migration.
 
@@ -795,11 +795,11 @@ Unused.
 			__u64 data_offset; /* relative to kvm_run start */
 		} io;
 
-If exit_reason is KVM_EXIT_IO_IN or KVM_EXIT_IO_OUT, then the vcpu has
+If exit_reason is KVM_EXIT_IO, then the vcpu has
 executed a port I/O instruction which could not be satisfied by kvm.
 data_offset describes where the data is located (KVM_EXIT_IO_OUT) or
 where kvm expects application code to place the data for the next
-KVM_RUN invocation (KVM_EXIT_IO_IN).  Data format is a patcked array.
+KVM_RUN invocation (KVM_EXIT_IO_IN).  Data format is a packed array.
 
 		struct {
 			struct kvm_debug_exit_arch arch;
@@ -815,7 +815,7 @@ Unused.
 			__u8  is_write;
 		} mmio;
 
-If exit_reason is KVM_EXIT_MMIO or KVM_EXIT_IO_OUT, then the vcpu has
+If exit_reason is KVM_EXIT_MMIO, then the vcpu has
 executed a memory-mapped I/O instruction which could not be satisfied
 by kvm.  The 'data' member contains the written data if 'is_write' is
 true, and should be filled by application code otherwise.
diff --git a/Documentation/laptops/00-INDEX b/Documentation/laptops/00-INDEX
index ee5692b26dd4..fa688538e757 100644
--- a/Documentation/laptops/00-INDEX
+++ b/Documentation/laptops/00-INDEX
@@ -2,6 +2,12 @@
 	- This file
 acer-wmi.txt
 	- information on the Acer Laptop WMI Extras driver.
+asus-laptop.txt
+	- information on the Asus Laptop Extras driver.
+disk-shock-protection.txt
+	- information on hard disk shock protection.
+dslm.c
+	- Simple Disk Sleep Monitor program
 laptop-mode.txt
 	- how to conserve battery power using laptop-mode.
 sony-laptop.txt
diff --git a/Documentation/laptops/Makefile b/Documentation/laptops/Makefile
new file mode 100644
index 000000000000..5cb144af3c09
--- /dev/null
+++ b/Documentation/laptops/Makefile
@@ -0,0 +1,8 @@
+# kbuild trick to avoid linker error. Can be omitted if a module is built.
+obj- := dummy.o
+
+# List of programs to build
+hostprogs-y := dslm
+
+# Tell kbuild to always build the programs
+always := $(hostprogs-y)
diff --git a/Documentation/laptops/dslm.c b/Documentation/laptops/dslm.c
new file mode 100644
index 000000000000..72ff290c5fc6
--- /dev/null
+++ b/Documentation/laptops/dslm.c
@@ -0,0 +1,166 @@
+/*
+ * dslm.c
+ * Simple Disk Sleep Monitor
+ *  by Bartek Kania
+ * Licenced under the GPL
+ */
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <time.h>
+#include <string.h>
+#include <signal.h>
+#include <sys/ioctl.h>
+#include <linux/hdreg.h>
+
+#ifdef DEBUG
+#define D(x) x
+#else
+#define D(x)
+#endif
+
+int endit = 0;
+
+/* Check if the disk is in powersave-mode
+ * Most of the code is stolen from hdparm.
+ * 1 = active, 0 = standby/sleep, -1 = unknown */
+static int check_powermode(int fd)
+{
+    unsigned char args[4] = {WIN_CHECKPOWERMODE1,0,0,0};
+    int state;
+
+    if (ioctl(fd, HDIO_DRIVE_CMD, &args)
+	&& (args[0] = WIN_CHECKPOWERMODE2) /* try again with 0x98 */
+	&& ioctl(fd, HDIO_DRIVE_CMD, &args)) {
+	if (errno != EIO || args[0] != 0 || args[1] != 0) {
+	    state = -1; /* "unknown"; */
+	} else
+	    state = 0; /* "sleeping"; */
+    } else {
+	state = (args[2] == 255) ? 1 : 0;
+    }
+    D(printf(" drive state is:  %d\n", state));
+
+    return state;
+}
+
+static char *state_name(int i)
+{
+    if (i == -1) return "unknown";
+    if (i == 0) return "sleeping";
+    if (i == 1) return "active";
+
+    return "internal error";
+}
+
+static char *myctime(time_t time)
+{
+    char *ts = ctime(&time);
+    ts[strlen(ts) - 1] = 0;
+
+    return ts;
+}
+
+static void measure(int fd)
+{
+    time_t start_time;
+    int last_state;
+    time_t last_time;
+    int curr_state;
+    time_t curr_time = 0;
+    time_t time_diff;
+    time_t active_time = 0;
+    time_t sleep_time = 0;
+    time_t unknown_time = 0;
+    time_t total_time = 0;
+    int changes = 0;
+    float tmp;
+
+    printf("Starting measurements\n");
+
+    last_state = check_powermode(fd);
+    start_time = last_time = time(0);
+    printf("  System is in state %s\n\n", state_name(last_state));
+
+    while(!endit) {
+	sleep(1);
+	curr_state = check_powermode(fd);
+
+	if (curr_state != last_state || endit) {
+	    changes++;
+	    curr_time = time(0);
+	    time_diff = curr_time - last_time;
+
+	    if (last_state == 1) active_time += time_diff;
+	    else if (last_state == 0) sleep_time += time_diff;
+	    else unknown_time += time_diff;
+
+	    last_state = curr_state;
+	    last_time = curr_time;
+
+	    printf("%s: State-change to %s\n", myctime(curr_time),
+		   state_name(curr_state));
+	}
+    }
+    changes--; /* Compensate for SIGINT */
+
+    total_time = time(0) - start_time;
+    printf("\nTotal running time:  %lus\n", curr_time - start_time);
+    printf(" State changed %d times\n", changes);
+
+    tmp = (float)sleep_time / (float)total_time * 100;
+    printf(" Time in sleep state:   %lus (%.2f%%)\n", sleep_time, tmp);
+    tmp = (float)active_time / (float)total_time * 100;
+    printf(" Time in active state:  %lus (%.2f%%)\n", active_time, tmp);
+    tmp = (float)unknown_time / (float)total_time * 100;
+    printf(" Time in unknown state: %lus (%.2f%%)\n", unknown_time, tmp);
+}
+
+static void ender(int s)
+{
+    endit = 1;
+}
+
+static void usage(void)
+{
+    puts("usage: dslm [-w <time>] <disk>");
+    exit(0);
+}
+
+int main(int argc, char **argv)
+{
+    int fd;
+    char *disk = 0;
+    int settle_time = 60;
+
+    /* Parse the simple command-line */
+    if (argc == 2)
+	disk = argv[1];
+    else if (argc == 4) {
+	settle_time = atoi(argv[2]);
+	disk = argv[3];
+    } else
+	usage();
+
+    if (!(fd = open(disk, O_RDONLY|O_NONBLOCK))) {
+	printf("Can't open %s, because: %s\n", disk, strerror(errno));
+	exit(-1);
+    }
+
+    if (settle_time) {
+	printf("Waiting %d seconds for the system to settle down to "
+	       "'normal'\n", settle_time);
+	sleep(settle_time);
+    } else
+	puts("Not waiting for system to settle down");
+
+    signal(SIGINT, ender);
+
+    measure(fd);
+
+    close(fd);
+
+    return 0;
+}
diff --git a/Documentation/laptops/laptop-mode.txt b/Documentation/laptops/laptop-mode.txt
index eeedee11c8c2..2c3c35093023 100644
--- a/Documentation/laptops/laptop-mode.txt
+++ b/Documentation/laptops/laptop-mode.txt
@@ -779,172 +779,4 @@ Monitoring tool
 ---------------
 
 Bartek Kania submitted this, it can be used to measure how much time your disk
-spends spun up/down.
-
----------------------------dslm.c BEGIN-----------------------------------------
-/*
- * Simple Disk Sleep Monitor
- *  by Bartek Kania
- * Licenced under the GPL
- */
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <time.h>
-#include <string.h>
-#include <signal.h>
-#include <sys/ioctl.h>
-#include <linux/hdreg.h>
-
-#ifdef DEBUG
-#define D(x) x
-#else
-#define D(x)
-#endif
-
-int endit = 0;
-
-/* Check if the disk is in powersave-mode
- * Most of the code is stolen from hdparm.
- * 1 = active, 0 = standby/sleep, -1 = unknown */
-int check_powermode(int fd)
-{
-    unsigned char args[4] = {WIN_CHECKPOWERMODE1,0,0,0};
-    int state;
-
-    if (ioctl(fd, HDIO_DRIVE_CMD, &args)
-	&& (args[0] = WIN_CHECKPOWERMODE2) /* try again with 0x98 */
-	&& ioctl(fd, HDIO_DRIVE_CMD, &args)) {
-	if (errno != EIO || args[0] != 0 || args[1] != 0) {
-	    state = -1; /* "unknown"; */
-	} else
-	    state = 0; /* "sleeping"; */
-    } else {
-	state = (args[2] == 255) ? 1 : 0;
-    }
-    D(printf(" drive state is:  %d\n", state));
-
-    return state;
-}
-
-char *state_name(int i)
-{
-    if (i == -1) return "unknown";
-    if (i == 0) return "sleeping";
-    if (i == 1) return "active";
-
-    return "internal error";
-}
-
-char *myctime(time_t time)
-{
-    char *ts = ctime(&time);
-    ts[strlen(ts) - 1] = 0;
-
-    return ts;
-}
-
-void measure(int fd)
-{
-    time_t start_time;
-    int last_state;
-    time_t last_time;
-    int curr_state;
-    time_t curr_time = 0;
-    time_t time_diff;
-    time_t active_time = 0;
-    time_t sleep_time = 0;
-    time_t unknown_time = 0;
-    time_t total_time = 0;
-    int changes = 0;
-    float tmp;
-
-    printf("Starting measurements\n");
-
-    last_state = check_powermode(fd);
-    start_time = last_time = time(0);
-    printf("  System is in state %s\n\n", state_name(last_state));
-
-    while(!endit) {
-	sleep(1);
-	curr_state = check_powermode(fd);
-
-	if (curr_state != last_state || endit) {
-	    changes++;
-	    curr_time = time(0);
-	    time_diff = curr_time - last_time;
-
-	    if (last_state == 1) active_time += time_diff;
-	    else if (last_state == 0) sleep_time += time_diff;
-	    else unknown_time += time_diff;
-
-	    last_state = curr_state;
-	    last_time = curr_time;
-
-	    printf("%s: State-change to %s\n", myctime(curr_time),
-		   state_name(curr_state));
-	}
-    }
-    changes--; /* Compensate for SIGINT */
-
-    total_time = time(0) - start_time;
-    printf("\nTotal running time:  %lus\n", curr_time - start_time);
-    printf(" State changed %d times\n", changes);
-
-    tmp = (float)sleep_time / (float)total_time * 100;
-    printf(" Time in sleep state:   %lus (%.2f%%)\n", sleep_time, tmp);
-    tmp = (float)active_time / (float)total_time * 100;
-    printf(" Time in active state:  %lus (%.2f%%)\n", active_time, tmp);
-    tmp = (float)unknown_time / (float)total_time * 100;
-    printf(" Time in unknown state: %lus (%.2f%%)\n", unknown_time, tmp);
-}
-
-void ender(int s)
-{
-    endit = 1;
-}
-
-void usage()
-{
-    puts("usage: dslm [-w <time>] <disk>");
-    exit(0);
-}
-
-int main(int argc, char **argv)
-{
-    int fd;
-    char *disk = 0;
-    int settle_time = 60;
-
-    /* Parse the simple command-line */
-    if (argc == 2)
-	disk = argv[1];
-    else if (argc == 4) {
-	settle_time = atoi(argv[2]);
-	disk = argv[3];
-    } else
-	usage();
-
-    if (!(fd = open(disk, O_RDONLY|O_NONBLOCK))) {
-	printf("Can't open %s, because: %s\n", disk, strerror(errno));
-	exit(-1);
-    }
-
-    if (settle_time) {
-	printf("Waiting %d seconds for the system to settle down to "
-	       "'normal'\n", settle_time);
-	sleep(settle_time);
-    } else
-	puts("Not waiting for system to settle down");
-
-    signal(SIGINT, ender);
-
-    measure(fd);
-
-    close(fd);
-
-    return 0;
-}
----------------------------dslm.c END-------------------------------------------
+spends spun up/down.  See Documentation/laptops/dslm.c
diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt
index 75afa1229fd7..39c0a09d0105 100644
--- a/Documentation/laptops/thinkpad-acpi.txt
+++ b/Documentation/laptops/thinkpad-acpi.txt
@@ -650,6 +650,10 @@ LCD, CRT or DVI (if available). The following commands are available:
 	echo expand_toggle > /proc/acpi/ibm/video
 	echo video_switch > /proc/acpi/ibm/video
 
+NOTE: Access to this feature is restricted to processes owning the
+CAP_SYS_ADMIN capability for safety reasons, as it can interact badly
+enough with some versions of X.org to crash it.
+
 Each video output device can be enabled or disabled individually.
 Reading /proc/acpi/ibm/video shows the status of each device.
 
diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt
index 7f5809eddee6..631ad2f1b229 100644
--- a/Documentation/memory-barriers.txt
+++ b/Documentation/memory-barriers.txt
@@ -3,6 +3,7 @@
 			 ============================
 
 By: David Howells <dhowells@redhat.com>
+    Paul E. McKenney <paulmck@linux.vnet.ibm.com>
 
 Contents:
 
@@ -60,6 +61,10 @@ Contents:
 
      - And then there's the Alpha.
 
+ (*) Example uses.
+
+     - Circular buffers.
+
  (*) References.
 
 
@@ -2226,6 +2231,21 @@ The Alpha defines the Linux kernel's memory barrier model.
 See the subsection on "Cache Coherency" above.
 
 
+============
+EXAMPLE USES
+============
+
+CIRCULAR BUFFERS
+----------------
+
+Memory barriers can be used to implement circular buffering without the need
+of a lock to serialise the producer with the consumer.  See:
+
+	Documentation/circular-buffers.txt
+
+for details.
+
+
 ==========
 REFERENCES
 ==========
diff --git a/Documentation/networking/00-INDEX b/Documentation/networking/00-INDEX
index 50189bf07d53..fe5c099b8fc8 100644
--- a/Documentation/networking/00-INDEX
+++ b/Documentation/networking/00-INDEX
@@ -32,6 +32,8 @@ cs89x0.txt
 	- the Crystal LAN (CS8900/20-based) Ethernet ISA adapter driver
 cxacru.txt
 	- Conexant AccessRunner USB ADSL Modem
+cxacru-cf.py
+	- Conexant AccessRunner USB ADSL Modem configuration file parser
 de4x5.txt
 	- the Digital EtherWORKS DE4?? and DE5?? PCI Ethernet driver
 decnet.txt
diff --git a/Documentation/networking/Makefile b/Documentation/networking/Makefile
index 6d8af1ac56c4..5aba7a33aeeb 100644
--- a/Documentation/networking/Makefile
+++ b/Documentation/networking/Makefile
@@ -6,3 +6,5 @@ hostprogs-y := ifenslave
 
 # Tell kbuild to always build the programs
 always := $(hostprogs-y)
+
+obj-m := timestamping/
diff --git a/Documentation/networking/cxacru-cf.py b/Documentation/networking/cxacru-cf.py
new file mode 100644
index 000000000000..b41d298398c8
--- /dev/null
+++ b/Documentation/networking/cxacru-cf.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+# Copyright 2009 Simon Arlott
+#
+# This program is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the Free
+# Software Foundation; either version 2 of the License, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+# more details.
+#
+# You should have received a copy of the GNU General Public License along with
+# this program; if not, write to the Free Software Foundation, Inc., 59
+# Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+# Usage: cxacru-cf.py < cxacru-cf.bin
+# Output: values string suitable for the sysfs adsl_config attribute
+#
+# Warning: cxacru-cf.bin with MD5 hash cdbac2689969d5ed5d4850f117702110
+# contains mis-aligned values which will stop the modem from being able
+# to make a connection. If the first and last two bytes are removed then
+# the values become valid, but the modulation will be forced to ANSI
+# T1.413 only which may not be appropriate.
+#
+# The original binary format is a packed list of le32 values.
+
+import sys
+import struct
+
+i = 0
+while True:
+	buf = sys.stdin.read(4)
+
+	if len(buf) == 0:
+		break
+	elif len(buf) != 4:
+		sys.stdout.write("\n")
+		sys.stderr.write("Error: read {0} not 4 bytes\n".format(len(buf)))
+		sys.exit(1)
+
+	if i > 0:
+		sys.stdout.write(" ")
+	sys.stdout.write("{0:x}={1}".format(i, struct.unpack("<I", buf)[0]))
+	i += 1
+
+sys.stdout.write("\n")
diff --git a/Documentation/networking/cxacru.txt b/Documentation/networking/cxacru.txt
index b074681a963e..2cce04457b4d 100644
--- a/Documentation/networking/cxacru.txt
+++ b/Documentation/networking/cxacru.txt
@@ -4,6 +4,12 @@ While it is capable of managing/maintaining the ADSL connection without the
 module loaded, the device will sometimes stop responding after unloading the
 driver and it is necessary to unplug/remove power to the device to fix this.
 
+Note: support for cxacru-cf.bin has been removed. It was not loaded correctly
+so it had no effect on the device configuration. Fixing it could have stopped
+existing devices working when an invalid configuration is supplied.
+
+There is a script cxacru-cf.py to convert an existing file to the sysfs form.
+
 Detected devices will appear as ATM devices named "cxacru". In /sys/class/atm/
 these are directories named cxacruN where N is the device number. A symlink
 named device points to the USB interface device's directory which contains
@@ -15,6 +21,15 @@ several sysfs attribute files for retrieving device statistics:
 * adsl_headend_environment
 	Information about the remote headend.
 
+* adsl_config
+	Configuration writing interface.
+	Write parameters in hexadecimal format <index>=<value>,
+	separated by whitespace, e.g.:
+		"1=0 a=5"
+	Up to 7 parameters at a time will be sent and the modem will restart
+	the ADSL connection when any value is set. These are logged for future
+	reference.
+
 * downstream_attenuation (dB)
 * downstream_bits_per_frame
 * downstream_rate (kbps)
@@ -61,6 +76,7 @@ several sysfs attribute files for retrieving device statistics:
 * mac_address
 
 * modulation
+	"" (when not connected)
 	"ANSI T1.413"
 	"ITU-T G.992.1 (G.DMT)"
 	"ITU-T G.992.2 (G.LITE)"
diff --git a/Documentation/networking/skfp.txt b/Documentation/networking/skfp.txt
index abfddf81e34a..203ec66c9fb4 100644
--- a/Documentation/networking/skfp.txt
+++ b/Documentation/networking/skfp.txt
@@ -68,7 +68,7 @@ Compaq adapters (not tested):
 =======================
 
 From v2.01 on, the driver is integrated in the linux kernel sources.
-Therefor, the installation is the same as for any other adapter
+Therefore, the installation is the same as for any other adapter
 supported by the kernel.
 Refer to the manual of your distribution about the installation
 of network adapters.
diff --git a/Documentation/networking/timestamping/Makefile b/Documentation/networking/timestamping/Makefile
index 2a1489fdc036..e79973443e9f 100644
--- a/Documentation/networking/timestamping/Makefile
+++ b/Documentation/networking/timestamping/Makefile
@@ -1,6 +1,13 @@
-CPPFLAGS = -I../../../include
+# kbuild trick to avoid linker error. Can be omitted if a module is built.
+obj- := dummy.o
 
-timestamping: timestamping.c
+# List of programs to build
+hostprogs-y := timestamping
+
+# Tell kbuild to always build the programs
+always := $(hostprogs-y)
+
+HOSTCFLAGS_timestamping.o += -I$(objtree)/usr/include
 
 clean:
 	rm -f timestamping
diff --git a/Documentation/networking/timestamping/timestamping.c b/Documentation/networking/timestamping/timestamping.c
index a7936fe8444a..8ba82bfe6a33 100644
--- a/Documentation/networking/timestamping/timestamping.c
+++ b/Documentation/networking/timestamping/timestamping.c
@@ -41,9 +41,9 @@
 #include <arpa/inet.h>
 #include <net/if.h>
 
-#include "asm/types.h"
-#include "linux/net_tstamp.h"
-#include "linux/errqueue.h"
+#include <asm/types.h>
+#include <linux/net_tstamp.h>
+#include <linux/errqueue.h>
 
 #ifndef SO_TIMESTAMPING
 # define SO_TIMESTAMPING         37
@@ -164,7 +164,7 @@ static void printpacket(struct msghdr *msg, int res,
 
 	gettimeofday(&now, 0);
 
-	printf("%ld.%06ld: received %s data, %d bytes from %s, %d bytes control messages\n",
+	printf("%ld.%06ld: received %s data, %d bytes from %s, %zu bytes control messages\n",
 	       (long)now.tv_sec, (long)now.tv_usec,
 	       (recvmsg_flags & MSG_ERRQUEUE) ? "error" : "regular",
 	       res,
@@ -173,7 +173,7 @@ static void printpacket(struct msghdr *msg, int res,
 	for (cmsg = CMSG_FIRSTHDR(msg);
 	     cmsg;
 	     cmsg = CMSG_NXTHDR(msg, cmsg)) {
-		printf("   cmsg len %d: ", cmsg->cmsg_len);
+		printf("   cmsg len %zu: ", cmsg->cmsg_len);
 		switch (cmsg->cmsg_level) {
 		case SOL_SOCKET:
 			printf("SOL_SOCKET ");
@@ -370,7 +370,7 @@ int main(int argc, char **argv)
 	}
 
 	sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
-	if (socket < 0)
+	if (sock < 0)
 		bail("socket");
 
 	memset(&device, 0, sizeof(device));
diff --git a/Documentation/pnp.txt b/Documentation/pnp.txt
index a327db67782a..763e4659bf18 100644
--- a/Documentation/pnp.txt
+++ b/Documentation/pnp.txt
@@ -57,7 +57,7 @@ PC standard floppy disk controller
 # cat resources
 DISABLED
 
-- Notice the string "DISABLED".  THis means the device is not active.
+- Notice the string "DISABLED".  This means the device is not active.
 
 3.) check the device's possible configurations (optional)
 # cat options
@@ -139,7 +139,7 @@ Plug and Play but it is planned to be in the near future.
 
 Requirements for a Linux PnP protocol:
 1.) the protocol must use EISA IDs
-2.) the protocol must inform the PnP Layer of a devices current configuration
+2.) the protocol must inform the PnP Layer of a device's current configuration
 - the ability to set resources is optional but preferred.
 
 The following are PnP protocol related functions:
@@ -158,7 +158,7 @@ pnp_remove_device
 - automatically will free mem used by the device and related structures
 
 pnp_add_id
-- adds a EISA ID to the list of supported IDs for the specified device
+- adds an EISA ID to the list of supported IDs for the specified device
 
 For more information consult the source of a protocol such as
 /drivers/pnp/pnpbios/core.c.
@@ -167,7 +167,7 @@ For more information consult the source of a protocol such as
 
 Linux Plug and Play Drivers
 ---------------------------
-	This section contains information for linux PnP driver developers.
+	This section contains information for Linux PnP driver developers.
 
 The New Way
 ...........
@@ -235,11 +235,10 @@ static int __init serial8250_pnp_init(void)
 The Old Way
 ...........
 
-a series of compatibility functions have been created to make it easy to convert 
-
+A series of compatibility functions have been created to make it easy to convert
 ISAPNP drivers.  They should serve as a temporary solution only.
 
-they are as follows:
+They are as follows:
 
 struct pnp_card *pnp_find_card(unsigned short vendor,
 				 unsigned short device,
diff --git a/Documentation/power/runtime_pm.txt b/Documentation/power/runtime_pm.txt
index 356fd86f4ea8..55b859b3bc72 100644
--- a/Documentation/power/runtime_pm.txt
+++ b/Documentation/power/runtime_pm.txt
@@ -224,6 +224,12 @@ defined in include/linux/pm.h:
       RPM_SUSPENDED, which means that each device is initially regarded by the
       PM core as 'suspended', regardless of its real hardware status
 
+  unsigned int runtime_auto;
+    - if set, indicates that the user space has allowed the device driver to
+      power manage the device at run time via the /sys/devices/.../power/control
+      interface; it may only be modified with the help of the pm_runtime_allow()
+      and pm_runtime_forbid() helper functions
+
 All of the above fields are members of the 'power' member of 'struct device'.
 
 4. Run-time PM Device Helper Functions
@@ -250,7 +256,7 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h:
       to suspend the device again in future
 
   int pm_runtime_resume(struct device *dev);
-    - execute the subsystem-leve resume callback for the device; returns 0 on
+    - execute the subsystem-level resume callback for the device; returns 0 on
       success, 1 if the device's run-time PM status was already 'active' or
       error code on failure, where -EAGAIN means it may be safe to attempt to
       resume the device again in future, but 'power.runtime_error' should be
@@ -329,6 +335,20 @@ drivers/base/power/runtime.c and include/linux/pm_runtime.h:
       'power.runtime_error' is set or 'power.disable_depth' is greater than
       zero)
 
+  bool pm_runtime_suspended(struct device *dev);
+    - return true if the device's runtime PM status is 'suspended', or false
+      otherwise
+
+  void pm_runtime_allow(struct device *dev);
+    - set the power.runtime_auto flag for the device and decrease its usage
+      counter (used by the /sys/devices/.../power/control interface to
+      effectively allow the device to be power managed at run time)
+
+  void pm_runtime_forbid(struct device *dev);
+    - unset the power.runtime_auto flag for the device and increase its usage
+      counter (used by the /sys/devices/.../power/control interface to
+      effectively prevent the device from being power managed at run time)
+
 It is safe to execute the following helper functions from interrupt context:
 
 pm_request_idle()
@@ -382,6 +402,18 @@ may be desirable to suspend the device as soon as ->probe() or ->remove() has
 finished, so the PM core uses pm_runtime_idle_sync() to invoke the
 subsystem-level idle callback for the device at that time.
 
+The user space can effectively disallow the driver of the device to power manage
+it at run time by changing the value of its /sys/devices/.../power/control
+attribute to "on", which causes pm_runtime_forbid() to be called.  In principle,
+this mechanism may also be used by the driver to effectively turn off the
+run-time power management of the device until the user space turns it on.
+Namely, during the initialization the driver can make sure that the run-time PM
+status of the device is 'active' and call pm_runtime_forbid().  It should be
+noted, however, that if the user space has already intentionally changed the
+value of /sys/devices/.../power/control to "auto" to allow the driver to power
+manage the device at run time, the driver may confuse it by using
+pm_runtime_forbid() this way.
+
 6. Run-time PM and System Sleep
 
 Run-time PM and system sleep (i.e., system suspend and hibernation, also known
@@ -431,3 +463,64 @@ The PM core always increments the run-time usage counter before calling the
 ->prepare() callback and decrements it after calling the ->complete() callback.
 Hence disabling run-time PM temporarily like this will not cause any run-time
 suspend callbacks to be lost.
+
+7. Generic subsystem callbacks
+
+Subsystems may wish to conserve code space by using the set of generic power
+management callbacks provided by the PM core, defined in
+driver/base/power/generic_ops.c:
+
+  int pm_generic_runtime_idle(struct device *dev);
+    - invoke the ->runtime_idle() callback provided by the driver of this
+      device, if defined, and call pm_runtime_suspend() for this device if the
+      return value is 0 or the callback is not defined
+
+  int pm_generic_runtime_suspend(struct device *dev);
+    - invoke the ->runtime_suspend() callback provided by the driver of this
+      device and return its result, or return -EINVAL if not defined
+
+  int pm_generic_runtime_resume(struct device *dev);
+    - invoke the ->runtime_resume() callback provided by the driver of this
+      device and return its result, or return -EINVAL if not defined
+
+  int pm_generic_suspend(struct device *dev);
+    - if the device has not been suspended at run time, invoke the ->suspend()
+      callback provided by its driver and return its result, or return 0 if not
+      defined
+
+  int pm_generic_resume(struct device *dev);
+    - invoke the ->resume() callback provided by the driver of this device and,
+      if successful, change the device's runtime PM status to 'active'
+
+  int pm_generic_freeze(struct device *dev);
+    - if the device has not been suspended at run time, invoke the ->freeze()
+      callback provided by its driver and return its result, or return 0 if not
+      defined
+
+  int pm_generic_thaw(struct device *dev);
+    - if the device has not been suspended at run time, invoke the ->thaw()
+      callback provided by its driver and return its result, or return 0 if not
+      defined
+
+  int pm_generic_poweroff(struct device *dev);
+    - if the device has not been suspended at run time, invoke the ->poweroff()
+      callback provided by its driver and return its result, or return 0 if not
+      defined
+
+  int pm_generic_restore(struct device *dev);
+    - invoke the ->restore() callback provided by the driver of this device and,
+      if successful, change the device's runtime PM status to 'active'
+
+These functions can be assigned to the ->runtime_idle(), ->runtime_suspend(),
+->runtime_resume(), ->suspend(), ->resume(), ->freeze(), ->thaw(), ->poweroff(),
+or ->restore() callback pointers in the subsystem-level dev_pm_ops structures.
+
+If a subsystem wishes to use all of them at the same time, it can simply assign
+the GENERIC_SUBSYS_PM_OPS macro, defined in include/linux/pm.h, to its
+dev_pm_ops structure pointer.
+
+Device drivers that wish to use the same function as a system suspend, freeze,
+poweroff and run-time suspend callback, and similarly for system resume, thaw,
+restore, and run-time resume, can achieve this with the help of the
+UNIVERSAL_DEV_PM_OPS macro defined in include/linux/pm.h (possibly setting its
+last argument to NULL).
diff --git a/Documentation/powerpc/dts-bindings/fsl/cpm_qe/qe.txt b/Documentation/powerpc/dts-bindings/fsl/cpm_qe/qe.txt
index 6e37be1eeb2d..4f8930263dd9 100644
--- a/Documentation/powerpc/dts-bindings/fsl/cpm_qe/qe.txt
+++ b/Documentation/powerpc/dts-bindings/fsl/cpm_qe/qe.txt
@@ -21,6 +21,15 @@ Required properties:
 - fsl,qe-num-snums: define how many serial number(SNUM) the QE can use for the
   threads.
 
+Optional properties:
+- fsl,firmware-phandle:
+    Usage: required only if there is no fsl,qe-firmware child node
+    Value type: <phandle>
+    Definition: Points to a firmware node (see "QE Firmware Node" below)
+        that contains the firmware that should be uploaded for this QE.
+        The compatible property for the firmware node should say,
+        "fsl,qe-firmware".
+
 Recommended properties
 - brg-frequency : the internal clock source frequency for baud-rate
   generators in Hz.
@@ -59,3 +68,48 @@ Example:
 		reg = <0 c000>;
 	};
      };
+
+* QE Firmware Node
+
+This node defines a firmware binary that is embedded in the device tree, for
+the purpose of passing the firmware from bootloader to the kernel, or from
+the hypervisor to the guest.
+
+The firmware node itself contains the firmware binary contents, a compatible
+property, and any firmware-specific properties.  The node should be placed
+inside a QE node that needs it.  Doing so eliminates the need for a
+fsl,firmware-phandle property.  Other QE nodes that need the same firmware
+should define an fsl,firmware-phandle property that points to the firmware node
+in the first QE node.
+
+The fsl,firmware property can be specified in the DTS (possibly using incbin)
+or can be inserted by the boot loader at boot time.
+
+Required properties:
+  - compatible
+      Usage: required
+      Value type: <string>
+      Definition: A standard property.  Specify a string that indicates what
+          kind of firmware it is.  For QE, this should be "fsl,qe-firmware".
+
+   - fsl,firmware
+      Usage: required
+      Value type: <prop-encoded-array>, encoded as an array of bytes
+      Definition: A standard property.  This property contains the firmware
+          binary "blob".
+
+Example:
+	qe1@e0080000 {
+		compatible = "fsl,qe";
+		qe_firmware:qe-firmware {
+			compatible = "fsl,qe-firmware";
+			fsl,firmware = [0x70 0xcd 0x00 0x00 0x01 0x46 0x45 ...];
+		};
+		...
+	};
+
+	qe2@e0090000 {
+		compatible = "fsl,qe";
+		fsl,firmware-phandle = <&qe_firmware>;
+		...
+	};
diff --git a/Documentation/powerpc/dts-bindings/fsl/dma.txt b/Documentation/powerpc/dts-bindings/fsl/dma.txt
index 0732cdd05ba1..2a4b4bce6110 100644
--- a/Documentation/powerpc/dts-bindings/fsl/dma.txt
+++ b/Documentation/powerpc/dts-bindings/fsl/dma.txt
@@ -44,21 +44,29 @@ Example:
 			compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel";
 			cell-index = <0>;
 			reg = <0 0x80>;
+			interrupt-parent = <&ipic>;
+			interrupts = <71 8>;
 		};
 		dma-channel@80 {
 			compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel";
 			cell-index = <1>;
 			reg = <0x80 0x80>;
+			interrupt-parent = <&ipic>;
+			interrupts = <71 8>;
 		};
 		dma-channel@100 {
 			compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel";
 			cell-index = <2>;
 			reg = <0x100 0x80>;
+			interrupt-parent = <&ipic>;
+			interrupts = <71 8>;
 		};
 		dma-channel@180 {
 			compatible = "fsl,mpc8349-dma-channel", "fsl,elo-dma-channel";
 			cell-index = <3>;
 			reg = <0x180 0x80>;
+			interrupt-parent = <&ipic>;
+			interrupts = <71 8>;
 		};
 	};
 
diff --git a/Documentation/powerpc/dts-bindings/fsl/i2c.txt b/Documentation/powerpc/dts-bindings/fsl/i2c.txt
index b6d2e21474f9..50da20310585 100644
--- a/Documentation/powerpc/dts-bindings/fsl/i2c.txt
+++ b/Documentation/powerpc/dts-bindings/fsl/i2c.txt
@@ -2,15 +2,14 @@
 
 Required properties :
 
- - device_type : Should be "i2c"
  - reg : Offset and length of the register set for the device
+ - compatible : should be "fsl,CHIP-i2c" where CHIP is the name of a
+   compatible processor, e.g. mpc8313, mpc8543, mpc8544, mpc5121,
+   mpc5200 or mpc5200b. For the mpc5121, an additional node
+   "fsl,mpc5121-i2c-ctrl" is required as shown in the example below.
 
 Recommended properties :
 
- - compatible : compatibility list with 2 entries, the first should
-   be "fsl,CHIP-i2c" where CHIP is the name of a compatible processor,
-   e.g. mpc8313, mpc8543, mpc8544, mpc5200 or mpc5200b. The second one
-   should be "fsl-i2c".
  - interrupts : <a b> where a is the interrupt number and b is a
    field that represents an encoding of the sense and level
    information for the interrupt.  This should be encoded based on
@@ -24,25 +23,40 @@ Recommended properties :
 
 Examples :
 
+	/* MPC5121 based board */
+	i2c@1740 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "fsl,mpc5121-i2c", "fsl-i2c";
+		reg = <0x1740 0x20>;
+		interrupts = <11 0x8>;
+		interrupt-parent = <&ipic>;
+		clock-frequency = <100000>;
+	};
+
+	i2ccontrol@1760 {
+		compatible = "fsl,mpc5121-i2c-ctrl";
+		reg = <0x1760 0x8>;
+	};
+
+	/* MPC5200B based board */
 	i2c@3d00 {
 		#address-cells = <1>;
 		#size-cells = <0>;
 		compatible = "fsl,mpc5200b-i2c","fsl,mpc5200-i2c","fsl-i2c";
-		cell-index = <0>;
 		reg = <0x3d00 0x40>;
 		interrupts = <2 15 0>;
 		interrupt-parent = <&mpc5200_pic>;
 		fsl,preserve-clocking;
 	};
 
+	/* MPC8544 base board */
 	i2c@3100 {
 		#address-cells = <1>;
 		#size-cells = <0>;
-		cell-index = <1>;
 		compatible = "fsl,mpc8544-i2c", "fsl-i2c";
 		reg = <0x3100 0x100>;
 		interrupts = <43 2>;
 		interrupt-parent = <&mpic>;
 		clock-frequency = <400000>;
 	};
-
diff --git a/Documentation/s390/kvm.txt b/Documentation/s390/kvm.txt
index 6f5ceb0f09fc..85f3280d7ef6 100644
--- a/Documentation/s390/kvm.txt
+++ b/Documentation/s390/kvm.txt
@@ -102,7 +102,7 @@ args:		unsigned long
 see also:	include/linux/kvm.h
 This ioctl stores the state of the cpu at the guest real address given as
 argument, unless one of the following values defined in include/linux/kvm.h
-is given as arguement:
+is given as argument:
 KVM_S390_STORE_STATUS_NOADDR - the CPU stores its status to the save area in
 absolute lowcore as defined by the principles of operation
 KVM_S390_STORE_STATUS_PREFIXED - the CPU stores its status to the save area in
diff --git a/Documentation/scsi/ChangeLog.lpfc b/Documentation/scsi/ChangeLog.lpfc
index ff19a52fe004..2ffc1148eb95 100644
--- a/Documentation/scsi/ChangeLog.lpfc
+++ b/Documentation/scsi/ChangeLog.lpfc
@@ -989,8 +989,8 @@ Changes from 20040709 to 20040716
 	* Remove redundant port_cmp != 2 check in if
 	  (!port_cmp) { .... if (port_cmp != 2).... }
 	* Clock changes: removed struct clk_data and timerList.
-	* Clock changes: seperate nodev_tmo and els_retry_delay into 2
-	  seperate timers and convert to 1 argument changed
+	* Clock changes: separate nodev_tmo and els_retry_delay into 2
+	  separate timers and convert to 1 argument changed
 	  LPFC_NODE_FARP_PEND_t to struct lpfc_node_farp_pend convert
 	  ipfarp_tmo to 1 argument convert target struct tmofunc and
 	  rtplunfunc to 1 argument * cr_count, cr_delay and
@@ -1514,7 +1514,7 @@ Changes from 20040402 to 20040409
 	* Remove unused elxclock declaration in elx_sli.h.
 	* Since everywhere IOCB_ENTRY is used, the return value is cast,
 	  move the cast into the macro.
-	* Split ioctls out into seperate files
+	* Split ioctls out into separate files
 
 Changes from 20040326 to 20040402
 
@@ -1534,7 +1534,7 @@ Changes from 20040326 to 20040402
 	* Unused variable cleanup
 	* Use Linux list macros for DMABUF_t
 	* Break up ioctls into 3 sections, dfc, util, hbaapi
-	  rearranged code so this could be easily seperated into a
+	  rearranged code so this could be easily separated into a
 	  differnet module later All 3 are currently turned on by
 	  defines in lpfc_ioctl.c LPFC_DFC_IOCTL, LPFC_UTIL_IOCTL,
 	  LPFC_HBAAPI_IOCTL
@@ -1551,7 +1551,7 @@ Changes from 20040326 to 20040402
 	  started by lpfc_online().  lpfc_offline() only stopped
 	  els_timeout routine.  It now stops all timeout routines
 	  associated with that hba.
-	* Replace seperate next and prev pointers in struct
+	* Replace separate next and prev pointers in struct
 	  lpfc_bindlist with list_head type.  In elxHBA_t, replace
 	  fc_nlpbind_start and _end with fc_nlpbind_list and use
 	  list_head macros to access it.
diff --git a/Documentation/serial/tty.txt b/Documentation/serial/tty.txt
index 5e5349a4fcd2..7c900507279f 100644
--- a/Documentation/serial/tty.txt
+++ b/Documentation/serial/tty.txt
@@ -105,6 +105,10 @@ write_wakeup()	-	May be called at any point between open and close.
 			is permitted to call the driver write method from
 			this function. In such a situation defer it.
 
+dcd_change()	-	Report to the tty line the current DCD pin status
+			changes and the relative timestamp. The timestamp
+			can be NULL.
+
 
 Driver Access
 
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt
index 33df82e3a398..bfcbbf88c44d 100644
--- a/Documentation/sound/alsa/ALSA-Configuration.txt
+++ b/Documentation/sound/alsa/ALSA-Configuration.txt
@@ -1812,7 +1812,7 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed.
   Module snd-ua101
   ----------------
 
-    Module for the Edirol UA-101 audio/MIDI interface.
+    Module for the Edirol UA-101/UA-1000 audio/MIDI interfaces.
 
     This module supports multiple devices, autoprobe and hotplugging.
 
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index fc5790d36cd9..6c7d18c53f84 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt
@@ -573,11 +573,14 @@ Because other nodes' memory may be free. This means system total status
 may be not fatal yet.
 
 If this is set to 2, the kernel panics compulsorily even on the
-above-mentioned.
+above-mentioned. Even oom happens under memory cgroup, the whole
+system panics.
 
 The default value is 0.
 1 and 2 are for failover of clustering. Please select either
 according to your policy of failover.
+panic_on_oom=2+kdump gives you very strong tool to investigate
+why oom happens. You can get snapshot.
 
 =============================================================
 
diff --git a/Documentation/timers/00-INDEX b/Documentation/timers/00-INDEX
index 397dc35e1323..a9248da5cdbc 100644
--- a/Documentation/timers/00-INDEX
+++ b/Documentation/timers/00-INDEX
@@ -4,6 +4,8 @@ highres.txt
 	- High resolution timers and dynamic ticks design notes
 hpet.txt
 	- High Precision Event Timer Driver for Linux
+hpet_example.c
+	- sample hpet timer test program
 hrtimers.txt
 	- subsystem for high-resolution kernel timers
 timer_stats.txt
diff --git a/Documentation/timers/Makefile b/Documentation/timers/Makefile
new file mode 100644
index 000000000000..c85625f4ab25
--- /dev/null
+++ b/Documentation/timers/Makefile
@@ -0,0 +1,8 @@
+# kbuild trick to avoid linker error. Can be omitted if a module is built.
+obj- := dummy.o
+
+# List of programs to build
+hostprogs-y := hpet_example
+
+# Tell kbuild to always build the programs
+always := $(hostprogs-y)
diff --git a/Documentation/timers/hpet.txt b/Documentation/timers/hpet.txt
index 16d25e6b5a00..767392ffd31e 100644
--- a/Documentation/timers/hpet.txt
+++ b/Documentation/timers/hpet.txt
@@ -26,274 +26,5 @@ initialization.  An example of this initialization can be found in
 arch/x86/kernel/hpet.c.
 
 The driver provides a userspace API which resembles the API found in the
-RTC driver framework.  An example user space program is provided below.
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <string.h>
-#include <memory.h>
-#include <malloc.h>
-#include <time.h>
-#include <ctype.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <signal.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <sys/time.h>
-#include <linux/hpet.h>
-
-
-extern void hpet_open_close(int, const char **);
-extern void hpet_info(int, const char **);
-extern void hpet_poll(int, const char **);
-extern void hpet_fasync(int, const char **);
-extern void hpet_read(int, const char **);
-
-#include <sys/poll.h>
-#include <sys/ioctl.h>
-#include <signal.h>
-
-struct hpet_command {
-	char		*command;
-	void		(*func)(int argc, const char ** argv);
-} hpet_command[] = {
-	{
-		"open-close",
-		hpet_open_close
-	},
-	{
-		"info",
-		hpet_info
-	},
-	{
-		"poll",
-		hpet_poll
-	},
-	{
-		"fasync",
-		hpet_fasync
-	},
-};
-
-int
-main(int argc, const char ** argv)
-{
-	int	i;
-
-	argc--;
-	argv++;
-
-	if (!argc) {
-		fprintf(stderr, "-hpet: requires command\n");
-		return -1;
-	}
-
-
-	for (i = 0; i < (sizeof (hpet_command) / sizeof (hpet_command[0])); i++)
-		if (!strcmp(argv[0], hpet_command[i].command)) {
-			argc--;
-			argv++;
-			fprintf(stderr, "-hpet: executing %s\n",
-				hpet_command[i].command);
-			hpet_command[i].func(argc, argv);
-			return 0;
-		}
-
-	fprintf(stderr, "do_hpet: command %s not implemented\n", argv[0]);
-
-	return -1;
-}
-
-void
-hpet_open_close(int argc, const char **argv)
-{
-	int	fd;
-
-	if (argc != 1) {
-		fprintf(stderr, "hpet_open_close: device-name\n");
-		return;
-	}
-
-	fd = open(argv[0], O_RDONLY);
-	if (fd < 0)
-		fprintf(stderr, "hpet_open_close: open failed\n");
-	else
-		close(fd);
-
-	return;
-}
-
-void
-hpet_info(int argc, const char **argv)
-{
-}
-
-void
-hpet_poll(int argc, const char **argv)
-{
-	unsigned long		freq;
-	int			iterations, i, fd;
-	struct pollfd		pfd;
-	struct hpet_info	info;
-	struct timeval		stv, etv;
-	struct timezone		tz;
-	long			usec;
-
-	if (argc != 3) {
-		fprintf(stderr, "hpet_poll: device-name freq iterations\n");
-		return;
-	}
-
-	freq = atoi(argv[1]);
-	iterations = atoi(argv[2]);
-
-	fd = open(argv[0], O_RDONLY);
-
-	if (fd < 0) {
-		fprintf(stderr, "hpet_poll: open of %s failed\n", argv[0]);
-		return;
-	}
-
-	if (ioctl(fd, HPET_IRQFREQ, freq) < 0) {
-		fprintf(stderr, "hpet_poll: HPET_IRQFREQ failed\n");
-		goto out;
-	}
-
-	if (ioctl(fd, HPET_INFO, &info) < 0) {
-		fprintf(stderr, "hpet_poll: failed to get info\n");
-		goto out;
-	}
-
-	fprintf(stderr, "hpet_poll: info.hi_flags 0x%lx\n", info.hi_flags);
-
-	if (info.hi_flags && (ioctl(fd, HPET_EPI, 0) < 0)) {
-		fprintf(stderr, "hpet_poll: HPET_EPI failed\n");
-		goto out;
-	}
-
-	if (ioctl(fd, HPET_IE_ON, 0) < 0) {
-		fprintf(stderr, "hpet_poll, HPET_IE_ON failed\n");
-		goto out;
-	}
-
-	pfd.fd = fd;
-	pfd.events = POLLIN;
-
-	for (i = 0; i < iterations; i++) {
-		pfd.revents = 0;
-		gettimeofday(&stv, &tz);
-		if (poll(&pfd, 1, -1) < 0)
-			fprintf(stderr, "hpet_poll: poll failed\n");
-		else {
-			long 	data;
-
-			gettimeofday(&etv, &tz);
-			usec = stv.tv_sec * 1000000 + stv.tv_usec;
-			usec = (etv.tv_sec * 1000000 + etv.tv_usec) - usec;
-
-			fprintf(stderr,
-				"hpet_poll: expired time = 0x%lx\n", usec);
-
-			fprintf(stderr, "hpet_poll: revents = 0x%x\n",
-				pfd.revents);
-
-			if (read(fd, &data, sizeof(data)) != sizeof(data)) {
-				fprintf(stderr, "hpet_poll: read failed\n");
-			}
-			else
-				fprintf(stderr, "hpet_poll: data 0x%lx\n",
-					data);
-		}
-	}
-
-out:
-	close(fd);
-	return;
-}
-
-static int hpet_sigio_count;
-
-static void
-hpet_sigio(int val)
-{
-	fprintf(stderr, "hpet_sigio: called\n");
-	hpet_sigio_count++;
-}
-
-void
-hpet_fasync(int argc, const char **argv)
-{
-	unsigned long		freq;
-	int			iterations, i, fd, value;
-	sig_t			oldsig;
-	struct hpet_info	info;
-
-	hpet_sigio_count = 0;
-	fd = -1;
-
-	if ((oldsig = signal(SIGIO, hpet_sigio)) == SIG_ERR) {
-		fprintf(stderr, "hpet_fasync: failed to set signal handler\n");
-		return;
-	}
-
-	if (argc != 3) {
-		fprintf(stderr, "hpet_fasync: device-name freq iterations\n");
-		goto out;
-	}
-
-	fd = open(argv[0], O_RDONLY);
-
-	if (fd < 0) {
-		fprintf(stderr, "hpet_fasync: failed to open %s\n", argv[0]);
-		return;
-	}
-
-
-	if ((fcntl(fd, F_SETOWN, getpid()) == 1) ||
-		((value = fcntl(fd, F_GETFL)) == 1) ||
-		(fcntl(fd, F_SETFL, value | O_ASYNC) == 1)) {
-		fprintf(stderr, "hpet_fasync: fcntl failed\n");
-		goto out;
-	}
-
-	freq = atoi(argv[1]);
-	iterations = atoi(argv[2]);
-
-	if (ioctl(fd, HPET_IRQFREQ, freq) < 0) {
-		fprintf(stderr, "hpet_fasync: HPET_IRQFREQ failed\n");
-		goto out;
-	}
-
-	if (ioctl(fd, HPET_INFO, &info) < 0) {
-		fprintf(stderr, "hpet_fasync: failed to get info\n");
-		goto out;
-	}
-
-	fprintf(stderr, "hpet_fasync: info.hi_flags 0x%lx\n", info.hi_flags);
-
-	if (info.hi_flags && (ioctl(fd, HPET_EPI, 0) < 0)) {
-		fprintf(stderr, "hpet_fasync: HPET_EPI failed\n");
-		goto out;
-	}
-
-	if (ioctl(fd, HPET_IE_ON, 0) < 0) {
-		fprintf(stderr, "hpet_fasync, HPET_IE_ON failed\n");
-		goto out;
-	}
-
-	for (i = 0; i < iterations; i++) {
-		(void) pause();
-		fprintf(stderr, "hpet_fasync: count = %d\n", hpet_sigio_count);
-	}
-
-out:
-	signal(SIGIO, oldsig);
-
-	if (fd >= 0)
-		close(fd);
-
-	return;
-}
+RTC driver framework.  An example user space program is provided in
+file:Documentation/timers/hpet_example.c
diff --git a/Documentation/timers/hpet_example.c b/Documentation/timers/hpet_example.c
new file mode 100644
index 000000000000..f9ce2d9fdfd5
--- /dev/null
+++ b/Documentation/timers/hpet_example.c
@@ -0,0 +1,269 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <memory.h>
+#include <malloc.h>
+#include <time.h>
+#include <ctype.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <signal.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <sys/time.h>
+#include <linux/hpet.h>
+
+
+extern void hpet_open_close(int, const char **);
+extern void hpet_info(int, const char **);
+extern void hpet_poll(int, const char **);
+extern void hpet_fasync(int, const char **);
+extern void hpet_read(int, const char **);
+
+#include <sys/poll.h>
+#include <sys/ioctl.h>
+#include <signal.h>
+
+struct hpet_command {
+	char		*command;
+	void		(*func)(int argc, const char ** argv);
+} hpet_command[] = {
+	{
+		"open-close",
+		hpet_open_close
+	},
+	{
+		"info",
+		hpet_info
+	},
+	{
+		"poll",
+		hpet_poll
+	},
+	{
+		"fasync",
+		hpet_fasync
+	},
+};
+
+int
+main(int argc, const char ** argv)
+{
+	int	i;
+
+	argc--;
+	argv++;
+
+	if (!argc) {
+		fprintf(stderr, "-hpet: requires command\n");
+		return -1;
+	}
+
+
+	for (i = 0; i < (sizeof (hpet_command) / sizeof (hpet_command[0])); i++)
+		if (!strcmp(argv[0], hpet_command[i].command)) {
+			argc--;
+			argv++;
+			fprintf(stderr, "-hpet: executing %s\n",
+				hpet_command[i].command);
+			hpet_command[i].func(argc, argv);
+			return 0;
+		}
+
+	fprintf(stderr, "do_hpet: command %s not implemented\n", argv[0]);
+
+	return -1;
+}
+
+void
+hpet_open_close(int argc, const char **argv)
+{
+	int	fd;
+
+	if (argc != 1) {
+		fprintf(stderr, "hpet_open_close: device-name\n");
+		return;
+	}
+
+	fd = open(argv[0], O_RDONLY);
+	if (fd < 0)
+		fprintf(stderr, "hpet_open_close: open failed\n");
+	else
+		close(fd);
+
+	return;
+}
+
+void
+hpet_info(int argc, const char **argv)
+{
+}
+
+void
+hpet_poll(int argc, const char **argv)
+{
+	unsigned long		freq;
+	int			iterations, i, fd;
+	struct pollfd		pfd;
+	struct hpet_info	info;
+	struct timeval		stv, etv;
+	struct timezone		tz;
+	long			usec;
+
+	if (argc != 3) {
+		fprintf(stderr, "hpet_poll: device-name freq iterations\n");
+		return;
+	}
+
+	freq = atoi(argv[1]);
+	iterations = atoi(argv[2]);
+
+	fd = open(argv[0], O_RDONLY);
+
+	if (fd < 0) {
+		fprintf(stderr, "hpet_poll: open of %s failed\n", argv[0]);
+		return;
+	}
+
+	if (ioctl(fd, HPET_IRQFREQ, freq) < 0) {
+		fprintf(stderr, "hpet_poll: HPET_IRQFREQ failed\n");
+		goto out;
+	}
+
+	if (ioctl(fd, HPET_INFO, &info) < 0) {
+		fprintf(stderr, "hpet_poll: failed to get info\n");
+		goto out;
+	}
+
+	fprintf(stderr, "hpet_poll: info.hi_flags 0x%lx\n", info.hi_flags);
+
+	if (info.hi_flags && (ioctl(fd, HPET_EPI, 0) < 0)) {
+		fprintf(stderr, "hpet_poll: HPET_EPI failed\n");
+		goto out;
+	}
+
+	if (ioctl(fd, HPET_IE_ON, 0) < 0) {
+		fprintf(stderr, "hpet_poll, HPET_IE_ON failed\n");
+		goto out;
+	}
+
+	pfd.fd = fd;
+	pfd.events = POLLIN;
+
+	for (i = 0; i < iterations; i++) {
+		pfd.revents = 0;
+		gettimeofday(&stv, &tz);
+		if (poll(&pfd, 1, -1) < 0)
+			fprintf(stderr, "hpet_poll: poll failed\n");
+		else {
+			long 	data;
+
+			gettimeofday(&etv, &tz);
+			usec = stv.tv_sec * 1000000 + stv.tv_usec;
+			usec = (etv.tv_sec * 1000000 + etv.tv_usec) - usec;
+
+			fprintf(stderr,
+				"hpet_poll: expired time = 0x%lx\n", usec);
+
+			fprintf(stderr, "hpet_poll: revents = 0x%x\n",
+				pfd.revents);
+
+			if (read(fd, &data, sizeof(data)) != sizeof(data)) {
+				fprintf(stderr, "hpet_poll: read failed\n");
+			}
+			else
+				fprintf(stderr, "hpet_poll: data 0x%lx\n",
+					data);
+		}
+	}
+
+out:
+	close(fd);
+	return;
+}
+
+static int hpet_sigio_count;
+
+static void
+hpet_sigio(int val)
+{
+	fprintf(stderr, "hpet_sigio: called\n");
+	hpet_sigio_count++;
+}
+
+void
+hpet_fasync(int argc, const char **argv)
+{
+	unsigned long		freq;
+	int			iterations, i, fd, value;
+	sig_t			oldsig;
+	struct hpet_info	info;
+
+	hpet_sigio_count = 0;
+	fd = -1;
+
+	if ((oldsig = signal(SIGIO, hpet_sigio)) == SIG_ERR) {
+		fprintf(stderr, "hpet_fasync: failed to set signal handler\n");
+		return;
+	}
+
+	if (argc != 3) {
+		fprintf(stderr, "hpet_fasync: device-name freq iterations\n");
+		goto out;
+	}
+
+	fd = open(argv[0], O_RDONLY);
+
+	if (fd < 0) {
+		fprintf(stderr, "hpet_fasync: failed to open %s\n", argv[0]);
+		return;
+	}
+
+
+	if ((fcntl(fd, F_SETOWN, getpid()) == 1) ||
+		((value = fcntl(fd, F_GETFL)) == 1) ||
+		(fcntl(fd, F_SETFL, value | O_ASYNC) == 1)) {
+		fprintf(stderr, "hpet_fasync: fcntl failed\n");
+		goto out;
+	}
+
+	freq = atoi(argv[1]);
+	iterations = atoi(argv[2]);
+
+	if (ioctl(fd, HPET_IRQFREQ, freq) < 0) {
+		fprintf(stderr, "hpet_fasync: HPET_IRQFREQ failed\n");
+		goto out;
+	}
+
+	if (ioctl(fd, HPET_INFO, &info) < 0) {
+		fprintf(stderr, "hpet_fasync: failed to get info\n");
+		goto out;
+	}
+
+	fprintf(stderr, "hpet_fasync: info.hi_flags 0x%lx\n", info.hi_flags);
+
+	if (info.hi_flags && (ioctl(fd, HPET_EPI, 0) < 0)) {
+		fprintf(stderr, "hpet_fasync: HPET_EPI failed\n");
+		goto out;
+	}
+
+	if (ioctl(fd, HPET_IE_ON, 0) < 0) {
+		fprintf(stderr, "hpet_fasync, HPET_IE_ON failed\n");
+		goto out;
+	}
+
+	for (i = 0; i < iterations; i++) {
+		(void) pause();
+		fprintf(stderr, "hpet_fasync: count = %d\n", hpet_sigio_count);
+	}
+
+out:
+	signal(SIGIO, oldsig);
+
+	if (fd >= 0)
+		close(fd);
+
+	return;
+}
diff --git a/Documentation/trace/ftrace.txt b/Documentation/trace/ftrace.txt
index bab3040da548..03485bfbd797 100644
--- a/Documentation/trace/ftrace.txt
+++ b/Documentation/trace/ftrace.txt
@@ -1588,7 +1588,7 @@ module author does not need to worry about it.
 
 When tracing is enabled, kstop_machine is called to prevent
 races with the CPUS executing code being modified (which can
-cause the CPU to do undesireable things), and the nops are
+cause the CPU to do undesirable things), and the nops are
 patched back to calls. But this time, they do not call mcount
 (which is just a function stub). They now call into the ftrace
 infrastructure.
diff --git a/Documentation/usb/error-codes.txt b/Documentation/usb/error-codes.txt
index 9cf83e8c27b8..d83703ea74b2 100644
--- a/Documentation/usb/error-codes.txt
+++ b/Documentation/usb/error-codes.txt
@@ -41,8 +41,8 @@ USB-specific:
 
 -EFBIG		Host controller driver can't schedule that many ISO frames.
 
--EPIPE		Specified endpoint is stalled.  For non-control endpoints,
-		reset this status with usb_clear_halt().
+-EPIPE		The pipe type specified in the URB doesn't match the
+		endpoint's actual type.
 
 -EMSGSIZE	(a) endpoint maxpacket size is zero; it is not usable
 		    in the current interface altsetting.
@@ -60,6 +60,8 @@ USB-specific:
 
 -EHOSTUNREACH	URB was rejected because the device is suspended.
 
+-ENOEXEC	A control URB doesn't contain a Setup packet.
+
 
 **************************************************************************
 *                   Error codes returned by in urb->status               *
diff --git a/Documentation/usb/power-management.txt b/Documentation/usb/power-management.txt
index 3bf6818c8cf5..2790ad48cfc2 100644
--- a/Documentation/usb/power-management.txt
+++ b/Documentation/usb/power-management.txt
@@ -2,7 +2,7 @@
 
 		 Alan Stern <stern@rowland.harvard.edu>
 
-			    November 10, 2009
+			    December 11, 2009
 
 
 
@@ -29,9 +29,9 @@ covered to some extent (see Documentation/power/*.txt for more
 information about system PM).
 
 Note: Dynamic PM support for USB is present only if the kernel was
-built with CONFIG_USB_SUSPEND enabled.  System PM support is present
-only if the kernel was built with CONFIG_SUSPEND or CONFIG_HIBERNATION
-enabled.
+built with CONFIG_USB_SUSPEND enabled (which depends on
+CONFIG_PM_RUNTIME).  System PM support is present only if the kernel
+was built with CONFIG_SUSPEND or CONFIG_HIBERNATION enabled.
 
 
 	What is Remote Wakeup?
@@ -229,6 +229,11 @@ necessary operations by hand or add them to a udev script.  You can
 also change the idle-delay time; 2 seconds is not the best choice for
 every device.
 
+If a driver knows that its device has proper suspend/resume support,
+it can enable autosuspend all by itself.  For example, the video
+driver for a laptop's webcam might do this, since these devices are
+rarely used and so should normally be autosuspended.
+
 Sometimes it turns out that even when a device does work okay with
 autosuspend there are still problems.  For example, there are
 experimental patches adding autosuspend support to the usbhid driver,
@@ -321,69 +326,81 @@ driver does so by calling these six functions:
 	void usb_autopm_get_interface_no_resume(struct usb_interface *intf);
 	void usb_autopm_put_interface_no_suspend(struct usb_interface *intf);
 
-The functions work by maintaining a counter in the usb_interface
-structure.  When intf->pm_usage_count is > 0 then the interface is
-deemed to be busy, and the kernel will not autosuspend the interface's
-device.  When intf->pm_usage_count is <= 0 then the interface is
-considered to be idle, and the kernel may autosuspend the device.
+The functions work by maintaining a usage counter in the
+usb_interface's embedded device structure.  When the counter is > 0
+then the interface is deemed to be busy, and the kernel will not
+autosuspend the interface's device.  When the usage counter is = 0
+then the interface is considered to be idle, and the kernel may
+autosuspend the device.
 
-(There is a similar pm_usage_count field in struct usb_device,
+(There is a similar usage counter field in struct usb_device,
 associated with the device itself rather than any of its interfaces.
-This field is used only by the USB core.)
-
-Drivers must not modify intf->pm_usage_count directly; its value
-should be changed only be using the functions listed above.  Drivers
-are responsible for insuring that the overall change to pm_usage_count
-during their lifetime balances out to 0 (it may be necessary for the
-disconnect method to call usb_autopm_put_interface() one or more times
-to fulfill this requirement).  The first two routines use the PM mutex
-in struct usb_device for mutual exclusion; drivers using the async
-routines are responsible for their own synchronization and mutual
-exclusion.
-
-	usb_autopm_get_interface() increments pm_usage_count and
-	attempts an autoresume if the new value is > 0 and the
-	device is suspended.
-
-	usb_autopm_put_interface() decrements pm_usage_count and
-	attempts an autosuspend if the new value is <= 0 and the
-	device isn't suspended.
+This counter is used only by the USB core.)
+
+Drivers need not be concerned about balancing changes to the usage
+counter; the USB core will undo any remaining "get"s when a driver
+is unbound from its interface.  As a corollary, drivers must not call
+any of the usb_autopm_* functions after their diconnect() routine has
+returned.
+
+Drivers using the async routines are responsible for their own
+synchronization and mutual exclusion.
+
+	usb_autopm_get_interface() increments the usage counter and
+	does an autoresume if the device is suspended.  If the
+	autoresume fails, the counter is decremented back.
+
+	usb_autopm_put_interface() decrements the usage counter and
+	attempts an autosuspend if the new value is = 0.
 
 	usb_autopm_get_interface_async() and
 	usb_autopm_put_interface_async() do almost the same things as
-	their non-async counterparts.  The differences are: they do
-	not acquire the PM mutex, and they use a workqueue to do their
+	their non-async counterparts.  The big difference is that they
+	use a workqueue to do the resume or suspend part of their
 	jobs.  As a result they can be called in an atomic context,
 	such as an URB's completion handler, but when they return the
-	device will not generally not yet be in the desired state.
+	device will generally not yet be in the desired state.
 
 	usb_autopm_get_interface_no_resume() and
 	usb_autopm_put_interface_no_suspend() merely increment or
-	decrement the pm_usage_count value; they do not attempt to
-	carry out an autoresume or an autosuspend.  Hence they can be
-	called in an atomic context.
+	decrement the usage counter; they do not attempt to carry out
+	an autoresume or an autosuspend.  Hence they can be called in
+	an atomic context.
 
-The conventional usage pattern is that a driver calls
+The simplest usage pattern is that a driver calls
 usb_autopm_get_interface() in its open routine and
-usb_autopm_put_interface() in its close or release routine.  But
-other patterns are possible.
+usb_autopm_put_interface() in its close or release routine.  But other
+patterns are possible.
 
 The autosuspend attempts mentioned above will often fail for one
 reason or another.  For example, the power/level attribute might be
 set to "on", or another interface in the same device might not be
 idle.  This is perfectly normal.  If the reason for failure was that
-the device hasn't been idle for long enough, a delayed workqueue
-routine is automatically set up to carry out the operation when the
-autosuspend idle-delay has expired.
+the device hasn't been idle for long enough, a timer is scheduled to
+carry out the operation automatically when the autosuspend idle-delay
+has expired.
 
 Autoresume attempts also can fail, although failure would mean that
 the device is no longer present or operating properly.  Unlike
-autosuspend, there's no delay for an autoresume.
+autosuspend, there's no idle-delay for an autoresume.
 
 
 	Other parts of the driver interface
 	-----------------------------------
 
+Drivers can enable autosuspend for their devices by calling
+
+	usb_enable_autosuspend(struct usb_device *udev);
+
+in their probe() routine, if they know that the device is capable of
+suspending and resuming correctly.  This is exactly equivalent to
+writing "auto" to the device's power/level attribute.  Likewise,
+drivers can disable autosuspend by calling
+
+	usb_disable_autosuspend(struct usb_device *udev);
+
+This is exactly the same as writing "on" to the power/level attribute.
+
 Sometimes a driver needs to make sure that remote wakeup is enabled
 during autosuspend.  For example, there's not much point
 autosuspending a keyboard if the user can't cause the keyboard to do a
@@ -395,26 +412,27 @@ though, setting this flag won't cause the kernel to autoresume it.
 Normally a driver would set this flag in its probe method, at which
 time the device is guaranteed not to be autosuspended.)
 
-The synchronous usb_autopm_* routines have to run in a sleepable
-process context; they must not be called from an interrupt handler or
-while holding a spinlock.  In fact, the entire autosuspend mechanism
-is not well geared toward interrupt-driven operation.  However there
-is one thing a driver can do in an interrupt handler:
+If a driver does its I/O asynchronously in interrupt context, it
+should call usb_autopm_get_interface_async() before starting output and
+usb_autopm_put_interface_async() when the output queue drains.  When
+it receives an input event, it should call
 
 	usb_mark_last_busy(struct usb_device *udev);
 
-This sets udev->last_busy to the current time.  udev->last_busy is the
-field used for idle-delay calculations; updating it will cause any
-pending autosuspend to be moved back.  The usb_autopm_* routines will
-also set the last_busy field to the current time.
-
-Calling urb_mark_last_busy() from within an URB completion handler is
-subject to races: The kernel may have just finished deciding the
-device has been idle for long enough but not yet gotten around to
-calling the driver's suspend method.  The driver would have to be
-responsible for synchronizing its suspend method with its URB
-completion handler and causing the autosuspend to fail with -EBUSY if
-an URB had completed too recently.
+in the event handler.  This sets udev->last_busy to the current time.
+udev->last_busy is the field used for idle-delay calculations;
+updating it will cause any pending autosuspend to be moved back.  Most
+of the usb_autopm_* routines will also set the last_busy field to the
+current time.
+
+Asynchronous operation is always subject to races.  For example, a
+driver may call one of the usb_autopm_*_interface_async() routines at
+a time when the core has just finished deciding the device has been
+idle for long enough but not yet gotten around to calling the driver's
+suspend method.  The suspend method must be responsible for
+synchronizing with the output request routine and the URB completion
+handler; it should cause autosuspends to fail with -EBUSY if the
+driver needs to use the device.
 
 External suspend calls should never be allowed to fail in this way,
 only autosuspend calls.  The driver can tell them apart by checking
@@ -422,75 +440,23 @@ the PM_EVENT_AUTO bit in the message.event argument to the suspend
 method; this bit will be set for internal PM events (autosuspend) and
 clear for external PM events.
 
-Many of the ingredients in the autosuspend framework are oriented
-towards interfaces: The usb_interface structure contains the
-pm_usage_cnt field, and the usb_autopm_* routines take an interface
-pointer as their argument.  But somewhat confusingly, a few of the
-pieces (i.e., usb_mark_last_busy()) use the usb_device structure
-instead.  Drivers need to keep this straight; they can call
-interface_to_usbdev() to find the device structure for a given
-interface.
-
 
-	Locking requirements
-	--------------------
+	Mutual exclusion
+	----------------
 
-All three suspend/resume methods are always called while holding the
-usb_device's PM mutex.  For external events -- but not necessarily for
-autosuspend or autoresume -- the device semaphore (udev->dev.sem) will
-also be held.  This implies that external suspend/resume events are
-mutually exclusive with calls to probe, disconnect, pre_reset, and
-post_reset; the USB core guarantees that this is true of internal
-suspend/resume events as well.
+For external events -- but not necessarily for autosuspend or
+autoresume -- the device semaphore (udev->dev.sem) will be held when a
+suspend or resume method is called.  This implies that external
+suspend/resume events are mutually exclusive with calls to probe,
+disconnect, pre_reset, and post_reset; the USB core guarantees that
+this is true of autosuspend/autoresume events as well.
 
 If a driver wants to block all suspend/resume calls during some
-critical section, it can simply acquire udev->pm_mutex. Note that
-calls to resume may be triggered indirectly. Block IO due to memory
-allocations can make the vm subsystem resume a device. Thus while
-holding this lock you must not allocate memory with GFP_KERNEL or
-GFP_NOFS.
-
-Alternatively, if the critical section might call some of the
-usb_autopm_* routines, the driver can avoid deadlock by doing:
-
-	down(&udev->dev.sem);
-	rc = usb_autopm_get_interface(intf);
-
-and at the end of the critical section:
-
-	if (!rc)
-		usb_autopm_put_interface(intf);
-	up(&udev->dev.sem);
-
-Holding the device semaphore will block all external PM calls, and the
-usb_autopm_get_interface() will prevent any internal PM calls, even if
-it fails.  (Exercise: Why?)
-
-The rules for locking order are:
-
-	Never acquire any device semaphore while holding any PM mutex.
-
-	Never acquire udev->pm_mutex while holding the PM mutex for
-	a device that isn't a descendant of udev.
-
-In other words, PM mutexes should only be acquired going up the device
-tree, and they should be acquired only after locking all the device
-semaphores you need to hold.  These rules don't matter to drivers very
-much; they usually affect just the USB core.
-
-Still, drivers do need to be careful.  For example, many drivers use a
-private mutex to synchronize their normal I/O activities with their
-disconnect method.  Now if the driver supports autosuspend then it
-must call usb_autopm_put_interface() from somewhere -- maybe from its
-close method.  It should make the call while holding the private mutex,
-since a driver shouldn't call any of the usb_autopm_* functions for an
-interface from which it has been unbound.
-
-But the usb_autpm_* routines always acquire the device's PM mutex, and
-consequently the locking order has to be: private mutex first, PM
-mutex second.  Since the suspend method is always called with the PM
-mutex held, it mustn't try to acquire the private mutex.  It has to
-synchronize with the driver's I/O activities in some other way.
+critical section, the best way is to lock the device and call
+usb_autopm_get_interface() (and do the reverse at the end of the
+critical section).  Holding the device semaphore will block all
+external PM calls, and the usb_autopm_get_interface() will prevent any
+internal PM calls, even if it fails.  (Exercise: Why?)
 
 
 	Interaction between dynamic PM and system PM
@@ -499,22 +465,11 @@ synchronize with the driver's I/O activities in some other way.
 Dynamic power management and system power management can interact in
 a couple of ways.
 
-Firstly, a device may already be manually suspended or autosuspended
-when a system suspend occurs.  Since system suspends are supposed to
-be as transparent as possible, the device should remain suspended
-following the system resume.  The 2.6.23 kernel obeys this principle
-for manually suspended devices but not for autosuspended devices; they
-do get resumed when the system wakes up.  (Presumably they will be
-autosuspended again after their idle-delay time expires.)  In later
-kernels this behavior will be fixed.
-
-(There is an exception.  If a device would undergo a reset-resume
-instead of a normal resume, and the device is enabled for remote
-wakeup, then the reset-resume takes place even if the device was
-already suspended when the system suspend began.  The justification is
-that a reset-resume is a kind of remote-wakeup event.  Or to put it
-another way, a device which needs a reset won't be able to generate
-normal remote-wakeup signals, so it ought to be resumed immediately.)
+Firstly, a device may already be autosuspended when a system suspend
+occurs.  Since system suspends are supposed to be as transparent as
+possible, the device should remain suspended following the system
+resume.  But this theory may not work out well in practice; over time
+the kernel's behavior in this regard has changed.
 
 Secondly, a dynamic power-management event may occur as a system
 suspend is underway.  The window for this is short, since system
diff --git a/Documentation/vm/00-INDEX b/Documentation/vm/00-INDEX
index e57d6a9dd32b..dca82d7c83d8 100644
--- a/Documentation/vm/00-INDEX
+++ b/Documentation/vm/00-INDEX
@@ -4,23 +4,35 @@ active_mm.txt
 	- An explanation from Linus about tsk->active_mm vs tsk->mm.
 balance
 	- various information on memory balancing.
+hugepage-mmap.c
+	- Example app using huge page memory with the mmap system call.
+hugepage-shm.c
+	- Example app using huge page memory with Sys V shared memory system calls.
 hugetlbpage.txt
 	- a brief summary of hugetlbpage support in the Linux kernel.
+hwpoison.txt
+	- explains what hwpoison is
 ksm.txt
 	- how to use the Kernel Samepage Merging feature.
 locking
 	- info on how locking and synchronization is done in the Linux vm code.
+map_hugetlb.c
+	- an example program that uses the MAP_HUGETLB mmap flag.
 numa
 	- information about NUMA specific code in the Linux vm.
 numa_memory_policy.txt
 	- documentation of concepts and APIs of the 2.6 memory policy support.
 overcommit-accounting
 	- description of the Linux kernels overcommit handling modes.
+page-types.c
+	- Tool for querying page flags
 page_migration
 	- description of page migration in NUMA systems.
+pagemap.txt
+	- pagemap, from the userspace perspective
 slabinfo.c
 	- source code for a tool to get reports about slabs.
 slub.txt
 	- a short users guide for SLUB.
-map_hugetlb.c
-	- an example program that uses the MAP_HUGETLB mmap flag.
+unevictable-lru.txt
+	- Unevictable LRU infrastructure
diff --git a/Documentation/vm/Makefile b/Documentation/vm/Makefile
index 5bd269b3731a..9dcff328b964 100644
--- a/Documentation/vm/Makefile
+++ b/Documentation/vm/Makefile
@@ -2,7 +2,7 @@
 obj- := dummy.o
 
 # List of programs to build
-hostprogs-y := slabinfo page-types
+hostprogs-y := slabinfo page-types hugepage-mmap hugepage-shm map_hugetlb
 
 # Tell kbuild to always build the programs
 always := $(hostprogs-y)
diff --git a/Documentation/vm/hugepage-mmap.c b/Documentation/vm/hugepage-mmap.c
new file mode 100644
index 000000000000..db0dd9a33d54
--- /dev/null
+++ b/Documentation/vm/hugepage-mmap.c
@@ -0,0 +1,91 @@
+/*
+ * hugepage-mmap:
+ *
+ * Example of using huge page memory in a user application using the mmap
+ * system call.  Before running this application, make sure that the
+ * administrator has mounted the hugetlbfs filesystem (on some directory
+ * like /mnt) using the command mount -t hugetlbfs nodev /mnt. In this
+ * example, the app is requesting memory of size 256MB that is backed by
+ * huge pages.
+ *
+ * For the ia64 architecture, the Linux kernel reserves Region number 4 for
+ * huge pages.  That means that if one requires a fixed address, a huge page
+ * aligned address starting with 0x800000... will be required.  If a fixed
+ * address is not required, the kernel will select an address in the proper
+ * range.
+ * Other architectures, such as ppc64, i386 or x86_64 are not so constrained.
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <fcntl.h>
+
+#define FILE_NAME "/mnt/hugepagefile"
+#define LENGTH (256UL*1024*1024)
+#define PROTECTION (PROT_READ | PROT_WRITE)
+
+/* Only ia64 requires this */
+#ifdef __ia64__
+#define ADDR (void *)(0x8000000000000000UL)
+#define FLAGS (MAP_SHARED | MAP_FIXED)
+#else
+#define ADDR (void *)(0x0UL)
+#define FLAGS (MAP_SHARED)
+#endif
+
+static void check_bytes(char *addr)
+{
+	printf("First hex is %x\n", *((unsigned int *)addr));
+}
+
+static void write_bytes(char *addr)
+{
+	unsigned long i;
+
+	for (i = 0; i < LENGTH; i++)
+		*(addr + i) = (char)i;
+}
+
+static void read_bytes(char *addr)
+{
+	unsigned long i;
+
+	check_bytes(addr);
+	for (i = 0; i < LENGTH; i++)
+		if (*(addr + i) != (char)i) {
+			printf("Mismatch at %lu\n", i);
+			break;
+		}
+}
+
+int main(void)
+{
+	void *addr;
+	int fd;
+
+	fd = open(FILE_NAME, O_CREAT | O_RDWR, 0755);
+	if (fd < 0) {
+		perror("Open failed");
+		exit(1);
+	}
+
+	addr = mmap(ADDR, LENGTH, PROTECTION, FLAGS, fd, 0);
+	if (addr == MAP_FAILED) {
+		perror("mmap");
+		unlink(FILE_NAME);
+		exit(1);
+	}
+
+	printf("Returned address is %p\n", addr);
+	check_bytes(addr);
+	write_bytes(addr);
+	read_bytes(addr);
+
+	munmap(addr, LENGTH);
+	close(fd);
+	unlink(FILE_NAME);
+
+	return 0;
+}
diff --git a/Documentation/vm/hugepage-shm.c b/Documentation/vm/hugepage-shm.c
new file mode 100644
index 000000000000..07956d8592c9
--- /dev/null
+++ b/Documentation/vm/hugepage-shm.c
@@ -0,0 +1,98 @@
+/*
+ * hugepage-shm:
+ *
+ * Example of using huge page memory in a user application using Sys V shared
+ * memory system calls.  In this example the app is requesting 256MB of
+ * memory that is backed by huge pages.  The application uses the flag
+ * SHM_HUGETLB in the shmget system call to inform the kernel that it is
+ * requesting huge pages.
+ *
+ * For the ia64 architecture, the Linux kernel reserves Region number 4 for
+ * huge pages.  That means that if one requires a fixed address, a huge page
+ * aligned address starting with 0x800000... will be required.  If a fixed
+ * address is not required, the kernel will select an address in the proper
+ * range.
+ * Other architectures, such as ppc64, i386 or x86_64 are not so constrained.
+ *
+ * Note: The default shared memory limit is quite low on many kernels,
+ * you may need to increase it via:
+ *
+ * echo 268435456 > /proc/sys/kernel/shmmax
+ *
+ * This will increase the maximum size per shared memory segment to 256MB.
+ * The other limit that you will hit eventually is shmall which is the
+ * total amount of shared memory in pages. To set it to 16GB on a system
+ * with a 4kB pagesize do:
+ *
+ * echo 4194304 > /proc/sys/kernel/shmall
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <sys/mman.h>
+
+#ifndef SHM_HUGETLB
+#define SHM_HUGETLB 04000
+#endif
+
+#define LENGTH (256UL*1024*1024)
+
+#define dprintf(x)  printf(x)
+
+/* Only ia64 requires this */
+#ifdef __ia64__
+#define ADDR (void *)(0x8000000000000000UL)
+#define SHMAT_FLAGS (SHM_RND)
+#else
+#define ADDR (void *)(0x0UL)
+#define SHMAT_FLAGS (0)
+#endif
+
+int main(void)
+{
+	int shmid;
+	unsigned long i;
+	char *shmaddr;
+
+	if ((shmid = shmget(2, LENGTH,
+			    SHM_HUGETLB | IPC_CREAT | SHM_R | SHM_W)) < 0) {
+		perror("shmget");
+		exit(1);
+	}
+	printf("shmid: 0x%x\n", shmid);
+
+	shmaddr = shmat(shmid, ADDR, SHMAT_FLAGS);
+	if (shmaddr == (char *)-1) {
+		perror("Shared memory attach failure");
+		shmctl(shmid, IPC_RMID, NULL);
+		exit(2);
+	}
+	printf("shmaddr: %p\n", shmaddr);
+
+	dprintf("Starting the writes:\n");
+	for (i = 0; i < LENGTH; i++) {
+		shmaddr[i] = (char)(i);
+		if (!(i % (1024 * 1024)))
+			dprintf(".");
+	}
+	dprintf("\n");
+
+	dprintf("Starting the Check...");
+	for (i = 0; i < LENGTH; i++)
+		if (shmaddr[i] != (char)i)
+			printf("\nIndex %lu mismatched\n", i);
+	dprintf("Done.\n");
+
+	if (shmdt((const void *)shmaddr) != 0) {
+		perror("Detach failure");
+		shmctl(shmid, IPC_RMID, NULL);
+		exit(3);
+	}
+
+	shmctl(shmid, IPC_RMID, NULL);
+
+	return 0;
+}
diff --git a/Documentation/vm/hugetlbpage.txt b/Documentation/vm/hugetlbpage.txt
index bc31636973e3..457634c1e03e 100644
--- a/Documentation/vm/hugetlbpage.txt
+++ b/Documentation/vm/hugetlbpage.txt
@@ -299,176 +299,11 @@ map_hugetlb.c.
 *******************************************************************
 
 /*
- * Example of using huge page memory in a user application using Sys V shared
- * memory system calls.  In this example the app is requesting 256MB of
- * memory that is backed by huge pages.  The application uses the flag
- * SHM_HUGETLB in the shmget system call to inform the kernel that it is
- * requesting huge pages.
- *
- * For the ia64 architecture, the Linux kernel reserves Region number 4 for
- * huge pages.  That means that if one requires a fixed address, a huge page
- * aligned address starting with 0x800000... will be required.  If a fixed
- * address is not required, the kernel will select an address in the proper
- * range.
- * Other architectures, such as ppc64, i386 or x86_64 are not so constrained.
- *
- * Note: The default shared memory limit is quite low on many kernels,
- * you may need to increase it via:
- *
- * echo 268435456 > /proc/sys/kernel/shmmax
- *
- * This will increase the maximum size per shared memory segment to 256MB.
- * The other limit that you will hit eventually is shmall which is the
- * total amount of shared memory in pages. To set it to 16GB on a system
- * with a 4kB pagesize do:
- *
- * echo 4194304 > /proc/sys/kernel/shmall
+ * hugepage-shm:  see Documentation/vm/hugepage-shm.c
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/ipc.h>
-#include <sys/shm.h>
-#include <sys/mman.h>
-
-#ifndef SHM_HUGETLB
-#define SHM_HUGETLB 04000
-#endif
-
-#define LENGTH (256UL*1024*1024)
-
-#define dprintf(x)  printf(x)
-
-#define ADDR (void *)(0x0UL)	/* let kernel choose address */
-#define SHMAT_FLAGS (0)
-
-int main(void)
-{
-	int shmid;
-	unsigned long i;
-	char *shmaddr;
-
-	if ((shmid = shmget(2, LENGTH,
-			    SHM_HUGETLB | IPC_CREAT | SHM_R | SHM_W)) < 0) {
-		perror("shmget");
-		exit(1);
-	}
-	printf("shmid: 0x%x\n", shmid);
-
-	shmaddr = shmat(shmid, ADDR, SHMAT_FLAGS);
-	if (shmaddr == (char *)-1) {
-		perror("Shared memory attach failure");
-		shmctl(shmid, IPC_RMID, NULL);
-		exit(2);
-	}
-	printf("shmaddr: %p\n", shmaddr);
-
-	dprintf("Starting the writes:\n");
-	for (i = 0; i < LENGTH; i++) {
-		shmaddr[i] = (char)(i);
-		if (!(i % (1024 * 1024)))
-			dprintf(".");
-	}
-	dprintf("\n");
-
-	dprintf("Starting the Check...");
-	for (i = 0; i < LENGTH; i++)
-		if (shmaddr[i] != (char)i)
-			printf("\nIndex %lu mismatched\n", i);
-	dprintf("Done.\n");
-
-	if (shmdt((const void *)shmaddr) != 0) {
-		perror("Detach failure");
-		shmctl(shmid, IPC_RMID, NULL);
-		exit(3);
-	}
-
-	shmctl(shmid, IPC_RMID, NULL);
-
-	return 0;
-}
 
 *******************************************************************
 
 /*
- * Example of using huge page memory in a user application using the mmap
- * system call.  Before running this application, make sure that the
- * administrator has mounted the hugetlbfs filesystem (on some directory
- * like /mnt) using the command mount -t hugetlbfs nodev /mnt. In this
- * example, the app is requesting memory of size 256MB that is backed by
- * huge pages.
- *
- * For the ia64 architecture, the Linux kernel reserves Region number 4 for
- * huge pages.  That means that if one requires a fixed address, a huge page
- * aligned address starting with 0x800000... will be required.  If a fixed
- * address is not required, the kernel will select an address in the proper
- * range.
- * Other architectures, such as ppc64, i386 or x86_64 are not so constrained.
+ * hugepage-mmap:  see Documentation/vm/hugepage-mmap.c
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <fcntl.h>
-
-#define FILE_NAME "/mnt/hugepagefile"
-#define LENGTH (256UL*1024*1024)
-#define PROTECTION (PROT_READ | PROT_WRITE)
-
-#define ADDR (void *)(0x0UL)	/* let kernel choose address */
-#define FLAGS (MAP_SHARED)
-
-void check_bytes(char *addr)
-{
-	printf("First hex is %x\n", *((unsigned int *)addr));
-}
-
-void write_bytes(char *addr)
-{
-	unsigned long i;
-
-	for (i = 0; i < LENGTH; i++)
-		*(addr + i) = (char)i;
-}
-
-void read_bytes(char *addr)
-{
-	unsigned long i;
-
-	check_bytes(addr);
-	for (i = 0; i < LENGTH; i++)
-		if (*(addr + i) != (char)i) {
-			printf("Mismatch at %lu\n", i);
-			break;
-		}
-}
-
-int main(void)
-{
-	void *addr;
-	int fd;
-
-	fd = open(FILE_NAME, O_CREAT | O_RDWR, 0755);
-	if (fd < 0) {
-		perror("Open failed");
-		exit(1);
-	}
-
-	addr = mmap(ADDR, LENGTH, PROTECTION, FLAGS, fd, 0);
-	if (addr == MAP_FAILED) {
-		perror("mmap");
-		unlink(FILE_NAME);
-		exit(1);
-	}
-
-	printf("Returned address is %p\n", addr);
-	check_bytes(addr);
-	write_bytes(addr);
-	read_bytes(addr);
-
-	munmap(addr, LENGTH);
-	close(fd);
-	unlink(FILE_NAME);
-
-	return 0;
-}
diff --git a/Documentation/vm/map_hugetlb.c b/Documentation/vm/map_hugetlb.c
index e2bdae37f499..9969c7d9f985 100644
--- a/Documentation/vm/map_hugetlb.c
+++ b/Documentation/vm/map_hugetlb.c
@@ -31,12 +31,12 @@
 #define FLAGS (MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB)
 #endif
 
-void check_bytes(char *addr)
+static void check_bytes(char *addr)
 {
 	printf("First hex is %x\n", *((unsigned int *)addr));
 }
 
-void write_bytes(char *addr)
+static void write_bytes(char *addr)
 {
 	unsigned long i;
 
@@ -44,7 +44,7 @@ void write_bytes(char *addr)
 		*(addr + i) = (char)i;
 }
 
-void read_bytes(char *addr)
+static void read_bytes(char *addr)
 {
 	unsigned long i;
 
diff --git a/Documentation/vm/slub.txt b/Documentation/vm/slub.txt
index b37300edf27c..07375e73981a 100644
--- a/Documentation/vm/slub.txt
+++ b/Documentation/vm/slub.txt
@@ -41,6 +41,7 @@ Possible debug options are
 	P		Poisoning (object and padding)
 	U		User tracking (free and alloc)
 	T		Trace (please only use on single slabs)
+	A		Toggle failslab filter mark for the cache
 	O		Switch debugging off for caches that would have
 			caused higher minimum slab orders
 	-		Switch all debugging off (useful if the kernel is
diff --git a/Documentation/volatile-considered-harmful.txt b/Documentation/volatile-considered-harmful.txt
index 991c26a6ef64..db0cb228d64a 100644
--- a/Documentation/volatile-considered-harmful.txt
+++ b/Documentation/volatile-considered-harmful.txt
@@ -63,9 +63,9 @@ way to perform a busy wait is:
         cpu_relax();
 
 The cpu_relax() call can lower CPU power consumption or yield to a
-hyperthreaded twin processor; it also happens to serve as a memory barrier,
-so, once again, volatile is unnecessary.  Of course, busy-waiting is
-generally an anti-social act to begin with.
+hyperthreaded twin processor; it also happens to serve as a compiler
+barrier, so, once again, volatile is unnecessary.  Of course, busy-
+waiting is generally an anti-social act to begin with.
 
 There are still a few rare situations where volatile makes sense in the
 kernel:
diff --git a/Documentation/voyager.txt b/Documentation/voyager.txt
deleted file mode 100644
index 2749af552cdf..000000000000
--- a/Documentation/voyager.txt
+++ /dev/null
@@ -1,95 +0,0 @@
-Running Linux on the Voyager Architecture
-=========================================
-
-For full details and current project status, see
-
-http://www.hansenpartnership.com/voyager
-
-The voyager architecture was designed by NCR in the mid 80s to be a
-fully SMP capable RAS computing architecture built around intel's 486
-chip set.  The voyager came in three levels of architectural
-sophistication: 3,4 and 5 --- 1 and 2 never made it out of prototype.
-The linux patches support only the Level 5 voyager architecture (any
-machine class 3435 and above).
-
-The Voyager Architecture
-------------------------
-
-Voyager machines consist of a Baseboard with a 386 diagnostic
-processor, a Power Supply Interface (PSI) a Primary and possibly
-Secondary Microchannel bus and between 2 and 20 voyager slots.  The
-voyager slots can be populated with memory and cpu cards (up to 4GB
-memory and from 1 486 to 32 Pentium Pro processors).  Internally, the
-voyager has a dual arbitrated system bus and a configuration and test
-bus (CAT).  The voyager bus speed is 40MHz.  Therefore (since all
-voyager cards are dual ported for each system bus) the maximum
-transfer rate is 320Mb/s but only if you have your slot configuration
-tuned (only memory cards can communicate with both busses at once, CPU
-cards utilise them one at a time).
-
-Voyager SMP
------------
-
-Since voyager was the first intel based SMP system, it is slightly
-more primitive than the Intel IO-APIC approach to SMP.  Voyager allows
-arbitrary interrupt routing (including processor affinity routing) of
-all 16 PC type interrupts.  However it does this by using a modified
-5259 master/slave chip set instead of an APIC bus.  Additionally,
-voyager supports Cross Processor Interrupts (CPI) equivalent to the
-APIC IPIs.  There are two routed voyager interrupt lines provided to
-each slot.
-
-Processor Cards
----------------
-
-These come in single, dyadic and quad configurations (the quads are
-problematic--see later).  The maximum configuration is 8 quad cards
-for 32 way SMP.
-
-Quad Processors
----------------
-
-Because voyager only supplies two interrupt lines to each Processor
-card, the Quad processors have to be configured (and Bootstrapped) in
-as a pair of Master/Slave processors.
-
-In fact, most Quad cards only accept one VIC interrupt line, so they
-have one interrupt handling processor (called the VIC extended
-processor) and three non-interrupt handling processors.
-
-Current Status
---------------
-
-The System will boot on Mono, Dyad and Quad cards.  There was
-originally a Quad boot problem which has been fixed by proper gdt
-alignment in the initial boot loader.  If you still cannot get your
-voyager system to boot, email me at:
-
-<J.E.J.Bottomley@HansenPartnership.com>
-
-
-The Quad cards now support using the separate Quad CPI vectors instead
-of going through the VIC mailbox system.
-
-The Level 4 architecture (3430 and 3360 Machines) should also work
-fine.
-
-Dump Switch
------------
-
-The voyager dump switch sends out a broadcast NMI which the voyager
-code intercepts and does a task dump.
-
-Power Switch
-------------
-
-The front panel power switch is intercepted by the kernel and should
-cause a system shutdown and power off.
-
-A Note About Mixed CPU Systems
-------------------------------
-
-Linux isn't designed to handle mixed CPU systems very well.  In order
-to get everything going you *must* make sure that your lowest
-capability CPU is used for booting.  Also, mixing CPU classes
-(e.g. 486 and 586) is really not going to work very well at all.
diff --git a/MAINTAINERS b/MAINTAINERS
index a1cb1e6f6bee..3d29fa389888 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -71,6 +71,7 @@ Descriptions of section entries:
 	M: Mail patches to: FullName <address@domain>
 	L: Mailing list that is relevant to this area
 	W: Web-page with status/info
+	Q: Patchwork web based patch tracking system site
 	T: SCM tree type and location.  Type is one of: git, hg, quilt, stgit.
 	S: Status, one of the following:
 	   Supported:	Someone is actually paid to look after this.
@@ -182,6 +183,7 @@ M:	Ron Minnich <rminnich@sandia.gov>
 M:	Latchesar Ionkov <lucho@ionkov.net>
 L:	v9fs-developer@lists.sourceforge.net
 W:	http://swik.net/v9fs
+Q:	http://patchwork.kernel.org/project/v9fs-devel/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/ericvh/v9fs.git
 S:	Maintained
 F:	Documentation/filesystems/9p.txt
@@ -238,6 +240,7 @@ ACPI
 M:	Len Brown <lenb@kernel.org>
 L:	linux-acpi@vger.kernel.org
 W:	http://www.lesswatts.org/projects/acpi/
+Q:	http://patchwork.kernel.org/project/linux-acpi/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6.git
 S:	Supported
 F:	drivers/acpi/
@@ -428,7 +431,6 @@ P:	Jordan Crouse
 L:	linux-geode@lists.infradead.org (moderated for non-subscribers)
 W:	http://www.amd.com/us-en/ConnectivitySolutions/TechnicalResources/0,,50_2334_2452_11363,00.html
 S:	Supported
-F:	arch/x86/kernel/geode_32.c
 F:	drivers/char/hw_random/geode-rng.c
 F:	drivers/crypto/geode*
 F:	drivers/video/geode/
@@ -664,6 +666,12 @@ T:	git://git.pengutronix.de/git/imx/linux-2.6.git
 F:	arch/arm/mach-mx*/
 F:	arch/arm/plat-mxc/
 
+ARM/FREESCALE IMX51
+M:	Amit Kucheria <amit.kucheria@canonical.com>
+L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:	Maintained
+F:	arch/arm/mach-mx5/
+
 ARM/GLOMATION GESBC9312SX MACHINE SUPPORT
 M:	Lennert Buytenhek <kernel@wantstofly.org>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -789,12 +797,12 @@ M:	Michael Petchkovsky <mkpetch@internode.on.net>
 S:	Maintained
 
 ARM/NOMADIK ARCHITECTURE
-M:     Alessandro Rubini <rubini@unipv.it>
-M:     STEricsson <STEricsson_nomadik_linux@list.st.com>
-L:     linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S:     Maintained
-F:     arch/arm/mach-nomadik/
-F:     arch/arm/plat-nomadik/
+M:	Alessandro Rubini <rubini@unipv.it>
+M:	STEricsson <STEricsson_nomadik_linux@list.st.com>
+L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:	Maintained
+F:	arch/arm/mach-nomadik/
+F:	arch/arm/plat-nomadik/
 
 ARM/OPENMOKO NEO FREERUNNER (GTA02) MACHINE SUPPORT
 M:	Nelson Castillo <arhuaco@freaks-unidos.net>
@@ -937,6 +945,16 @@ W:	http://www.fluff.org/ben/linux/
 S:	Maintained
 F:	arch/arm/mach-s3c6410/
 
+ARM/SHMOBILE ARM ARCHITECTURE
+M:	Paul Mundt <lethal@linux-sh.org>
+M:	Magnus Damm <magnus.damm@gmail.com>
+L:	linux-sh@vger.kernel.org
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/genesis-2.6.git
+W:	http://oss.renesas.com
+S:	Supported
+F:	arch/arm/mach-shmobile/
+F:	drivers/sh/
+
 ARM/TECHNOLOGIC SYSTEMS TS7250 MACHINE SUPPORT
 M:	Lennert Buytenhek <kernel@wantstofly.org>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
@@ -966,6 +984,13 @@ W:	http://www.arm.linux.org.uk/
 S:	Maintained
 F:	arch/arm/vfp/
 
+ASC7621 HARDWARE MONITOR DRIVER
+M:	George Joseph <george.joseph@fairview5.com>
+L:	lm-sensors@lm-sensors.org
+S:	Maintained
+F:	Documentation/hwmon/asc7621
+F:	drivers/hwmon/asc7621.c
+
 ASUS ACPI EXTRAS DRIVER
 M:	Corentin Chary <corentincj@iksaif.net>
 M:	Karol Kozimor <sziwan@users.sourceforge.net>
@@ -1226,6 +1251,13 @@ W:	http://blackfin.uclinux.org
 S:	Supported
 F:	drivers/rtc/rtc-bfin.c
 
+BLACKFIN SDH DRIVER
+M:	Cliff Cai <cliff.cai@analog.com>
+L:	uclinux-dist-devel@blackfin.uclinux.org
+W:	http://blackfin.uclinux.org
+S:	Supported
+F:	drivers/mmc/host/bfin_sdh.c
+
 BLACKFIN SERIAL DRIVER
 M:	Sonic Zhang <sonic.zhang@analog.com>
 L:	uclinux-dist-devel@blackfin.uclinux.org
@@ -1332,6 +1364,7 @@ BTRFS FILE SYSTEM
 M:	Chris Mason <chris.mason@oracle.com>
 L:	linux-btrfs@vger.kernel.org
 W:	http://btrfs.wiki.kernel.org/
+Q:	http://patchwork.kernel.org/project/linux-btrfs/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable.git
 S:	Maintained
 F:	Documentation/filesystems/btrfs.txt
@@ -1372,20 +1405,30 @@ F:	arch/x86/include/asm/calgary.h
 F:	arch/x86/include/asm/tce.h
 
 CAN NETWORK LAYER
-M:	Urs Thuermann <urs.thuermann@volkswagen.de>
+M:	Oliver Hartkopp <socketcan@hartkopp.net>
 M:	Oliver Hartkopp <oliver.hartkopp@volkswagen.de>
-L:	socketcan-core@lists.berlios.de (subscribers-only)
+M:	Urs Thuermann <urs.thuermann@volkswagen.de>
+L:	socketcan-core@lists.berlios.de
+L:	netdev@vger.kernel.org
 W:	http://developer.berlios.de/projects/socketcan/
 S:	Maintained
-F:	drivers/net/can/
-F:	include/linux/can/
+F:	net/can/
 F:	include/linux/can.h
+F:	include/linux/can/core.h
+F:	include/linux/can/bcm.h
+F:	include/linux/can/raw.h
 
 CAN NETWORK DRIVERS
 M:	Wolfgang Grandegger <wg@grandegger.com>
-L:	socketcan-core@lists.berlios.de (subscribers-only)
+L:	socketcan-core@lists.berlios.de
+L:	netdev@vger.kernel.org
 W:	http://developer.berlios.de/projects/socketcan/
 S:	Maintained
+F:	drivers/net/can/
+F:	include/linux/can/dev.h
+F:	include/linux/can/error.h
+F:	include/linux/can/netlink.h
+F:	include/linux/can/platform/
 
 CELL BROADBAND ENGINE ARCHITECTURE
 M:	Arnd Bergmann <arnd@arndb.de>
@@ -1398,6 +1441,15 @@ F:	arch/powerpc/include/asm/spu*.h
 F:	arch/powerpc/oprofile/*cell*
 F:	arch/powerpc/platforms/cell/
 
+CEPH DISTRIBUTED FILE SYSTEM CLIENT
+M:	Sage Weil <sage@newdream.net>
+L:	ceph-devel@vger.kernel.org
+W:	http://ceph.newdream.net/
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client.git
+S:	Supported
+F:	Documentation/filesystems/ceph.txt
+F:	fs/ceph
+
 CERTIFIED WIRELESS USB (WUSB) SUBSYSTEM:
 M:	David Vrabel <david.vrabel@csr.com>
 L:	linux-usb@vger.kernel.org
@@ -1496,6 +1548,7 @@ M:	Steve French <sfrench@samba.org>
 L:	linux-cifs-client@lists.samba.org (moderated for non-subscribers)
 L:	samba-technical@lists.samba.org (moderated for non-subscribers)
 W:	http://linux-cifs.samba.org/
+Q:	http://patchwork.ozlabs.org/project/linux-cifs-client/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6.git
 S:	Supported
 F:	Documentation/filesystems/cifs.txt
@@ -1782,6 +1835,7 @@ DEVICE-MAPPER  (LVM)
 P:	Alasdair Kergon
 L:	dm-devel@redhat.com
 W:	http://sources.redhat.com/dm
+Q:	http://patchwork.kernel.org/project/dm-devel/list/
 S:	Maintained
 F:	Documentation/device-mapper/
 F:	drivers/md/dm*
@@ -1872,17 +1926,17 @@ F:	drivers/scsi/dpt*
 F:	drivers/scsi/dpt/
 
 DRBD DRIVER
-P:     Philipp Reisner
-P:     Lars Ellenberg
-M:     drbd-dev@lists.linbit.com
-L:     drbd-user@lists.linbit.com
-W:     http://www.drbd.org
-T:     git git://git.drbd.org/linux-2.6-drbd.git drbd
-T:     git git://git.drbd.org/drbd-8.3.git
-S:     Supported
-F:     drivers/block/drbd/
-F:     lib/lru_cache.c
-F:     Documentation/blockdev/drbd/
+P:	Philipp Reisner
+P:	Lars Ellenberg
+M:	drbd-dev@lists.linbit.com
+L:	drbd-user@lists.linbit.com
+W:	http://www.drbd.org
+T:	git git://git.drbd.org/linux-2.6-drbd.git drbd
+T:	git git://git.drbd.org/drbd-8.3.git
+S:	Supported
+F:	drivers/block/drbd/
+F:	lib/lru_cache.c
+F:	Documentation/blockdev/drbd/
 
 DRIVER CORE, KOBJECTS, AND SYSFS
 M:	Greg Kroah-Hartman <gregkh@suse.de>
@@ -2095,6 +2149,7 @@ F:	drivers/net/eexpress.*
 ETHERNET BRIDGE
 M:	Stephen Hemminger <shemminger@linux-foundation.org>
 L:	bridge@lists.linux-foundation.org
+L:	netdev@vger.kernel.org
 W:	http://www.linux-foundation.org/en/Net:Bridge
 S:	Maintained
 F:	include/linux/netfilter_bridge/
@@ -2126,6 +2181,7 @@ M:	"Theodore Ts'o" <tytso@mit.edu>
 M:	Andreas Dilger <adilger@sun.com>
 L:	linux-ext4@vger.kernel.org
 W:	http://ext4.wiki.kernel.org
+Q:	http://patchwork.ozlabs.org/project/linux-ext4/list/
 S:	Maintained
 F:	Documentation/filesystems/ext4.txt
 F:	fs/ext4/
@@ -2502,13 +2558,6 @@ L:	linux-parisc@vger.kernel.org
 S:	Maintained
 F:	sound/parisc/harmony.*
 
-HAYES ESP SERIAL DRIVER
-M:	"Andrew J. Robinson" <arobinso@nyx.net>
-W:	http://www.nyx.net/~arobinso
-S:	Maintained
-F:	Documentation/serial/hayes-esp.txt
-F:	drivers/char/esp.c
-
 HEWLETT-PACKARD SMART2 RAID DRIVER
 M:	Chirag Kantharia <chirag.kantharia@hp.com>
 L:	iss_storagedev@hp.com
@@ -2717,6 +2766,7 @@ F:	drivers/scsi/ips.*
 IDE SUBSYSTEM
 M:	"David S. Miller" <davem@davemloft.net>
 L:	linux-ide@vger.kernel.org
+Q:	http://patchwork.ozlabs.org/project/linux-ide/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide-2.6.git
 S:	Maintained
 F:	Documentation/ide/
@@ -2771,6 +2821,7 @@ M:	Sean Hefty <sean.hefty@intel.com>
 M:	Hal Rosenstock <hal.rosenstock@gmail.com>
 L:	linux-rdma@vger.kernel.org
 W:	http://www.openib.org/
+Q:	http://patchwork.kernel.org/project/linux-rdma/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband.git
 S:	Supported
 F:	Documentation/infiniband/
@@ -2790,12 +2841,13 @@ INPUT (KEYBOARD, MOUSE, JOYSTICK, TOUCHSCREEN) DRIVERS
 M:	Dmitry Torokhov <dmitry.torokhov@gmail.com>
 M:	Dmitry Torokhov <dtor@mail.ru>
 L:	linux-input@vger.kernel.org
+Q:	http://patchwork.kernel.org/project/linux-input/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git
 S:	Maintained
 F:	drivers/input/
 
 INTEL FRAMEBUFFER DRIVER (excluding 810 and 815)
-M:	Sylvain Meyer <sylvain.meyer@worldonline.fr>
+M:	Maik Broemme <mbroemme@plusserver.de>
 L:	linux-fbdev@vger.kernel.org
 S:	Maintained
 F:	Documentation/fb/intelfb.txt
@@ -3031,6 +3083,7 @@ F:	include/scsi/*iscsi*
 ISDN SUBSYSTEM
 M:	Karsten Keil <isdn@linux-pingi.de>
 L:	isdn4linux@listserv.isdn4linux.de (subscribers-only)
+L:	netdev@vger.kernel.org
 W:	http://www.isdn4linux.de
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/kkeil/isdn-2.6.git
 S:	Maintained
@@ -3046,6 +3099,13 @@ W:	http://www.melware.de
 S:	Maintained
 F:	drivers/isdn/hardware/eicon/
 
+IT87 HARDWARE MONITORING DRIVER
+M:	Jean Delvare <khali@linux-fr.org>
+L:	lm-sensors@lm-sensors.org
+S:	Maintained
+F:	Documentation/hwmon/it87
+F:	drivers/hwmon/it87.c
+
 IVTV VIDEO4LINUX DRIVER
 M:	Andy Walls <awalls@radix.net>
 L:	ivtv-devel@ivtvdriver.org (moderated for non-subscribers)
@@ -3099,6 +3159,7 @@ F:	drivers/hwmon/k8temp.c
 KCONFIG
 M:	Roman Zippel <zippel@linux-m68k.org>
 L:	linux-kbuild@vger.kernel.org
+Q:	http://patchwork.kernel.org/project/linux-kbuild/list/
 S:	Maintained
 F:	Documentation/kbuild/kconfig-language.txt
 F:	scripts/kconfig/
@@ -3173,7 +3234,7 @@ F:	arch/x86/include/asm/svm.h
 F:	arch/x86/kvm/svm.c
 
 KERNEL VIRTUAL MACHINE (KVM) FOR POWERPC
-M:	Hollis Blanchard <hollisb@us.ibm.com>
+M:	Alexander Graf <agraf@suse.de>
 L:	kvm-ppc@vger.kernel.org
 W:	http://kvm.qumranet.com
 S:	Supported
@@ -3209,6 +3270,16 @@ S:	Maintained
 F:	include/linux/kexec.h
 F:	kernel/kexec.c
 
+KEYS/KEYRINGS:
+M:	David Howells <dhowells@redhat.com>
+L:	keyrings@linux-nfs.org
+S:	Maintained
+F:	Documentation/keys.txt
+F:	include/linux/key.h
+F:	include/linux/key-type.h
+F:	include/keys/
+F:	security/keys/
+
 KGDB
 M:	Jason Wessel <jason.wessel@windriver.com>
 L:	kgdb-bugreport@lists.sourceforge.net
@@ -3312,6 +3383,7 @@ M:	Benjamin Herrenschmidt <benh@kernel.crashing.org>
 M:	Paul Mackerras <paulus@samba.org>
 W:	http://www.penguinppc.org/
 L:	linuxppc-dev@ozlabs.org
+Q:	http://patchwork.ozlabs.org/project/linuxppc-dev/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc.git
 S:	Supported
 F:	Documentation/powerpc/
@@ -3432,6 +3504,13 @@ S:	Maintained
 F:	Documentation/ldm.txt
 F:	fs/partitions/ldm.*
 
+LogFS
+M:	Joern Engel <joern@logfs.org>
+L:	logfs@logfs.org
+W:	logfs.org
+S:	Maintained
+F:	fs/logfs/
+
 LSILOGIC MPT FUSION DRIVERS (FC/SAS/SPI)
 M:	Eric Moore <Eric.Moore@lsi.com>
 M:	support@lsi.com
@@ -3450,8 +3529,8 @@ F:	drivers/scsi/sym53c8xx_2/
 LTP (Linux Test Project)
 M:	Rishikesh K Rajak <risrajak@linux.vnet.ibm.com>
 M:	Garrett Cooper <yanegomi@gmail.com>
-M:     Mike Frysinger <vapier@gentoo.org>
-M:     Subrata Modak <subrata@linux.vnet.ibm.com>
+M:	Mike Frysinger <vapier@gentoo.org>
+M:	Subrata Modak <subrata@linux.vnet.ibm.com>
 L:	ltp-list@lists.sourceforge.net (subscribers-only)
 W:	http://ltp.sourceforge.net/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/galak/ltp.git
@@ -3568,6 +3647,7 @@ M:	Mauro Carvalho Chehab <mchehab@infradead.org>
 P:	LinuxTV.org Project
 L:	linux-media@vger.kernel.org
 W:	http://linuxtv.org
+Q:	http://patchwork.kernel.org/project/linux-media/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6.git
 S:	Maintained
 F:	Documentation/dvb/
@@ -3595,7 +3675,7 @@ F:	mm/
 
 MEMORY RESOURCE CONTROLLER
 M:	Balbir Singh <balbir@linux.vnet.ibm.com>
-M:	Pavel Emelyanov <xemul@openvz.org>
+M:	Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>
 M:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
 L:	linux-mm@kvack.org
 S:	Maintained
@@ -3603,8 +3683,9 @@ F:	mm/memcontrol.c
 
 MEMORY TECHNOLOGY DEVICES (MTD)
 M:	David Woodhouse <dwmw2@infradead.org>
-W:	http://www.linux-mtd.infradead.org/
 L:	linux-mtd@lists.infradead.org
+W:	http://www.linux-mtd.infradead.org/
+Q:	http://patchwork.ozlabs.org/project/linux-mtd/list/
 T:	git git://git.infradead.org/mtd-2.6.git
 S:	Maintained
 F:	drivers/mtd/
@@ -3864,6 +3945,7 @@ S:	Maintained
 NETWORKING [WIRELESS]
 M:	"John W. Linville" <linville@tuxdriver.com>
 L:	linux-wireless@vger.kernel.org
+Q:	http://patchwork.kernel.org/project/linux-wireless/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6.git
 S:	Maintained
 F:	net/mac80211/
@@ -3956,6 +4038,7 @@ M:	Tony Lindgren <tony@atomide.com>
 L:	linux-omap@vger.kernel.org
 W:	http://www.muru.com/linux/omap/
 W:	http://linux.omap.com/
+Q:	http://patchwork.kernel.org/project/linux-omap/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6.git
 S:	Maintained
 F:	arch/arm/*omap*/
@@ -4182,6 +4265,7 @@ M:	Helge Deller <deller@gmx.de>
 M:	"James E.J. Bottomley" <jejb@parisc-linux.org>
 L:	linux-parisc@vger.kernel.org
 W:	http://www.parisc-linux.org/
+Q:	http://patchwork.kernel.org/project/linux-parisc/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6.git
 S:	Maintained
 F:	arch/parisc/
@@ -4224,6 +4308,7 @@ F:	Documentation/powerpc/eeh-pci-error-recovery.txt
 PCI SUBSYSTEM
 M:	Jesse Barnes <jbarnes@virtuousgeek.org>
 L:	linux-pci@vger.kernel.org
+Q:	http://patchwork.kernel.org/project/linux-pci/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6.git
 S:	Supported
 F:	Documentation/PCI/
@@ -4262,10 +4347,13 @@ PERFORMANCE EVENTS SUBSYSTEM
 M:	Peter Zijlstra <a.p.zijlstra@chello.nl>
 M:	Paul Mackerras <paulus@samba.org>
 M:	Ingo Molnar <mingo@elte.hu>
+M:	Arnaldo Carvalho de Melo <acme@redhat.com>
 S:	Supported
 F:	kernel/perf_event.c
 F:	include/linux/perf_event.h
-F:	arch/*/*/kernel/perf_event.c
+F:	arch/*/kernel/perf_event.c
+F:	arch/*/kernel/*/perf_event.c
+F:	arch/*/kernel/*/*/perf_event.c
 F:	arch/*/include/asm/perf_event.h
 F:	arch/*/lib/perf_event.c
 F:	arch/*/kernel/perf_callchain.c
@@ -4462,6 +4550,13 @@ L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6.git
 S:	Maintained
 
+MMP2 SUPPORT (aka ARMADA610)
+M:	Haojian Zhuang <haojian.zhuang@marvell.com>
+M:	Eric Miao <eric.y.miao@gmail.com>
+L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6.git
+S:	Maintained
+
 PXA MMCI DRIVER
 S:	Orphan
 
@@ -4599,6 +4694,7 @@ F:	include/linux/rtc.h
 REAL TIME CLOCK (RTC) SUBSYSTEM
 M:	Alessandro Zummo <a.zummo@towertech.it>
 L:	rtc-linux@googlegroups.com
+Q:	http://patchwork.ozlabs.org/project/rtc-linux/list/
 S:	Maintained
 F:	Documentation/rtc.txt
 F:	drivers/rtc/
@@ -4966,6 +5062,7 @@ F:	drivers/*/*/*s3c2410*
 TI DAVINCI MACHINE SUPPORT
 P:	Kevin Hilman
 M:	davinci-linux-open-source@linux.davincidsp.com
+Q:	http://patchwork.kernel.org/project/linux-davinci/list/
 S:	Supported
 F:	arch/arm/mach-davinci
 
@@ -5131,6 +5228,7 @@ F:	include/sound/soc*
 SPARC + UltraSPARC (sparc/sparc64)
 M:	"David S. Miller" <davem@davemloft.net>
 L:	sparclinux@vger.kernel.org
+Q:	http://patchwork.ozlabs.org/project/sparclinux/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6.git
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next-2.6.git
 S:	Maintained
@@ -5161,6 +5259,7 @@ SPI SUBSYSTEM
 M:	David Brownell <dbrownell@users.sourceforge.net>
 M:	Grant Likely <grant.likely@secretlab.ca>
 L:	spi-devel-general@lists.sourceforge.net
+Q:	http://patchwork.kernel.org/project/spi-devel-general/list/
 S:	Maintained
 F:	Documentation/spi/
 F:	drivers/spi/
@@ -5216,7 +5315,7 @@ F:	drivers/net/starfire*
 
 STARMODE RADIO IP (STRIP) PROTOCOL DRIVER
 S:	Orphan
-F:	drivers/net/wireless/strip.c
+F:	drivers/staging/strip/strip.c
 F:	include/linux/if_strip.h
 
 STRADIS MPEG-2 DECODER DRIVER
@@ -5237,6 +5336,7 @@ SUPERH
 M:	Paul Mundt <lethal@linux-sh.org>
 L:	linux-sh@vger.kernel.org
 W:	http://www.linux-sh.org
+Q:	http://patchwork.kernel.org/project/linux-sh/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6.git
 S:	Supported
 F:	Documentation/sh/
@@ -5334,7 +5434,6 @@ S:	Maintained
 F:	sound/soc/codecs/twl4030*
 
 TIPC NETWORK LAYER
-M:	Per Liden <per.liden@ericsson.com>
 M:	Jon Maloy <jon.maloy@ericsson.com>
 M:	Allan Stephens <allan.stephens@windriver.com>
 L:	tipc-discussion@lists.sourceforge.net
@@ -6004,7 +6103,7 @@ L:	linux-wireless@vger.kernel.org
 W:	http://www.hpl.hp.com/personal/Jean_Tourrilhes/Linux/
 S:	Maintained
 F:	Documentation/networking/wavelan.txt
-F:	drivers/net/wireless/wavelan*
+F:	drivers/staging/wavelan/
 
 WD7000 SCSI DRIVER
 M:	Miroslav Zagorac <zaga@fly.cc.fer.hr>
@@ -6112,6 +6211,7 @@ F:	arch/x86/
 X86 PLATFORM DRIVERS
 M:	Matthew Garrett <mjg@redhat.com>
 L:	platform-driver-x86@vger.kernel.org
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/mjg59/platform-drivers-x86.git
 S:	Maintained
 F:	drivers/platform/x86
 
@@ -6199,6 +6299,7 @@ F:	drivers/serial/zs.*
 THE REST
 M:	Linus Torvalds <torvalds@linux-foundation.org>
 L:	linux-kernel@vger.kernel.org
+Q:	http://patchwork.kernel.org/project/LKML/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
 S:	Buried alive in reporters
 F:	*
diff --git a/Makefile b/Makefile
index 1b24895212d8..67c1001cfbf5 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 2
 PATCHLEVEL = 6
-SUBLEVEL = 33
-EXTRAVERSION =
+SUBLEVEL = 34
+EXTRAVERSION = -rc3
 NAME = Man-Eating Seals of Antiquity
 
 # *DOCUMENTATION*
diff --git a/arch/Kconfig b/arch/Kconfig
index 215e46073c45..e5eb1337a537 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -41,6 +41,17 @@ config KPROBES
 	  for kernel debugging, non-intrusive instrumentation and testing.
 	  If in doubt, say "N".
 
+config OPTPROBES
+	bool "Kprobes jump optimization support (EXPERIMENTAL)"
+	default y
+	depends on KPROBES
+	depends on !PREEMPT
+	depends on HAVE_OPTPROBES
+	select KALLSYMS_ALL
+	help
+	  This option will allow kprobes to optimize breakpoint to
+	  a jump for reducing its overhead.
+
 config HAVE_EFFICIENT_UNALIGNED_ACCESS
 	bool
 	help
@@ -83,6 +94,8 @@ config HAVE_KPROBES
 config HAVE_KRETPROBES
 	bool
 
+config HAVE_OPTPROBES
+	bool
 #
 # An arch should select this if it provides all these things:
 #
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index bd7261ea8f94..75291fdd379f 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -10,6 +10,7 @@ config ALPHA
 	select HAVE_OPROFILE
 	select HAVE_SYSCALL_WRAPPERS
 	select HAVE_PERF_EVENTS
+	select HAVE_DMA_ATTRS
 	help
 	  The Alpha is a 64-bit general-purpose processor designed and
 	  marketed by the Digital Equipment Corporation of blessed memory,
@@ -58,6 +59,9 @@ config ZONE_DMA
 	bool
 	default y
 
+config NEED_DMA_MAP_STATE
+       def_bool y
+
 config GENERIC_ISA_DMA
 	bool
 	default y
diff --git a/arch/alpha/include/asm/core_marvel.h b/arch/alpha/include/asm/core_marvel.h
index 30d55fe7aaf6..dad300fa14ce 100644
--- a/arch/alpha/include/asm/core_marvel.h
+++ b/arch/alpha/include/asm/core_marvel.h
@@ -12,7 +12,6 @@
 #define __ALPHA_MARVEL__H__
 
 #include <linux/types.h>
-#include <linux/pci.h>
 #include <linux/spinlock.h>
 
 #include <asm/compiler.h>
diff --git a/arch/alpha/include/asm/core_mcpcia.h b/arch/alpha/include/asm/core_mcpcia.h
index acf55b483472..21ac53383b37 100644
--- a/arch/alpha/include/asm/core_mcpcia.h
+++ b/arch/alpha/include/asm/core_mcpcia.h
@@ -6,7 +6,6 @@
 #define MCPCIA_ONE_HAE_WINDOW 1
 
 #include <linux/types.h>
-#include <linux/pci.h>
 #include <asm/compiler.h>
 
 /*
diff --git a/arch/alpha/include/asm/core_titan.h b/arch/alpha/include/asm/core_titan.h
index a17f6f33b68e..8cf79d1219e1 100644
--- a/arch/alpha/include/asm/core_titan.h
+++ b/arch/alpha/include/asm/core_titan.h
@@ -2,7 +2,6 @@
 #define __ALPHA_TITAN__H__
 
 #include <linux/types.h>
-#include <linux/pci.h>
 #include <asm/compiler.h>
 
 /*
diff --git a/arch/alpha/include/asm/core_tsunami.h b/arch/alpha/include/asm/core_tsunami.h
index 58d4fe48742c..8e39ecf09419 100644
--- a/arch/alpha/include/asm/core_tsunami.h
+++ b/arch/alpha/include/asm/core_tsunami.h
@@ -2,7 +2,6 @@
 #define __ALPHA_TSUNAMI__H__
 
 #include <linux/types.h>
-#include <linux/pci.h>
 #include <asm/compiler.h>
 
 /*
diff --git a/arch/alpha/include/asm/dma-mapping.h b/arch/alpha/include/asm/dma-mapping.h
index 04eb5681448c..1bce8169733c 100644
--- a/arch/alpha/include/asm/dma-mapping.h
+++ b/arch/alpha/include/asm/dma-mapping.h
@@ -1,71 +1,49 @@
 #ifndef _ALPHA_DMA_MAPPING_H
 #define _ALPHA_DMA_MAPPING_H
 
+#include <linux/dma-attrs.h>
 
-#ifdef CONFIG_PCI
+extern struct dma_map_ops *dma_ops;
 
-#include <linux/pci.h>
+static inline struct dma_map_ops *get_dma_ops(struct device *dev)
+{
+	return dma_ops;
+}
 
-#define dma_map_single(dev, va, size, dir)		\
-		pci_map_single(alpha_gendev_to_pci(dev), va, size, dir)
-#define dma_unmap_single(dev, addr, size, dir)		\
-		pci_unmap_single(alpha_gendev_to_pci(dev), addr, size, dir)
-#define dma_alloc_coherent(dev, size, addr, gfp)	\
-	      __pci_alloc_consistent(alpha_gendev_to_pci(dev), size, addr, gfp)
-#define dma_free_coherent(dev, size, va, addr)		\
-		pci_free_consistent(alpha_gendev_to_pci(dev), size, va, addr)
-#define dma_map_page(dev, page, off, size, dir)		\
-		pci_map_page(alpha_gendev_to_pci(dev), page, off, size, dir)
-#define dma_unmap_page(dev, addr, size, dir)		\
-		pci_unmap_page(alpha_gendev_to_pci(dev), addr, size, dir)
-#define dma_map_sg(dev, sg, nents, dir)			\
-		pci_map_sg(alpha_gendev_to_pci(dev), sg, nents, dir)
-#define dma_unmap_sg(dev, sg, nents, dir)		\
-		pci_unmap_sg(alpha_gendev_to_pci(dev), sg, nents, dir)
-#define dma_supported(dev, mask)			\
-		pci_dma_supported(alpha_gendev_to_pci(dev), mask)
-#define dma_mapping_error(dev, addr)				\
-		pci_dma_mapping_error(alpha_gendev_to_pci(dev), addr)
+#include <asm-generic/dma-mapping-common.h>
 
-#else	/* no PCI - no IOMMU. */
+static inline void *dma_alloc_coherent(struct device *dev, size_t size,
+				       dma_addr_t *dma_handle, gfp_t gfp)
+{
+	return get_dma_ops(dev)->alloc_coherent(dev, size, dma_handle, gfp);
+}
 
-#include <asm/io.h>	/* for virt_to_phys() */
+static inline void dma_free_coherent(struct device *dev, size_t size,
+				     void *vaddr, dma_addr_t dma_handle)
+{
+	get_dma_ops(dev)->free_coherent(dev, size, vaddr, dma_handle);
+}
 
-struct scatterlist;
-void *dma_alloc_coherent(struct device *dev, size_t size,
-			 dma_addr_t *dma_handle, gfp_t gfp);
-int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
-	       enum dma_data_direction direction);
+static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+	return get_dma_ops(dev)->mapping_error(dev, dma_addr);
+}
 
-#define dma_free_coherent(dev, size, va, addr)		\
-		free_pages((unsigned long)va, get_order(size))
-#define dma_supported(dev, mask)		(mask < 0x00ffffffUL ? 0 : 1)
-#define dma_map_single(dev, va, size, dir)	virt_to_phys(va)
-#define dma_map_page(dev, page, off, size, dir)	(page_to_pa(page) + off)
+static inline int dma_supported(struct device *dev, u64 mask)
+{
+	return get_dma_ops(dev)->dma_supported(dev, mask);
+}
 
-#define dma_unmap_single(dev, addr, size, dir)	((void)0)
-#define dma_unmap_page(dev, addr, size, dir)	((void)0)
-#define dma_unmap_sg(dev, sg, nents, dir)	((void)0)
-
-#define dma_mapping_error(dev, addr)  (0)
-
-#endif	/* !CONFIG_PCI */
+static inline int dma_set_mask(struct device *dev, u64 mask)
+{
+	return get_dma_ops(dev)->set_dma_mask(dev, mask);
+}
 
 #define dma_alloc_noncoherent(d, s, h, f)	dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h)	dma_free_coherent(d, s, v, h)
 #define dma_is_consistent(d, h)			(1)
 
-int dma_set_mask(struct device *dev, u64 mask);
-
-#define dma_sync_single_for_cpu(dev, addr, size, dir)	  ((void)0)
-#define dma_sync_single_for_device(dev, addr, size, dir)  ((void)0)
-#define dma_sync_single_range(dev, addr, off, size, dir)  ((void)0)
-#define dma_sync_sg_for_cpu(dev, sg, nents, dir)	  ((void)0)
-#define dma_sync_sg_for_device(dev, sg, nents, dir)	  ((void)0)
 #define dma_cache_sync(dev, va, size, dir)		  ((void)0)
-#define dma_sync_single_range_for_cpu(dev, addr, offset, size, dir)	((void)0)
-#define dma_sync_single_range_for_device(dev, addr, offset, size, dir)	((void)0)
-
 #define dma_get_cache_alignment()			  L1_CACHE_BYTES
 
 #endif	/* _ALPHA_DMA_MAPPING_H */
diff --git a/arch/alpha/include/asm/local.h b/arch/alpha/include/asm/local.h
index 6ad3ea696421..b9e3e3318371 100644
--- a/arch/alpha/include/asm/local.h
+++ b/arch/alpha/include/asm/local.h
@@ -98,21 +98,4 @@ static __inline__ long local_sub_return(long i, local_t * l)
 #define __local_add(i,l)	((l)->a.counter+=(i))
 #define __local_sub(i,l)	((l)->a.counter-=(i))
 
-/* Use these for per-cpu local_t variables: on some archs they are
- * much more efficient than these naive implementations.  Note they take
- * a variable, not an address.
- */
-#define cpu_local_read(l)	local_read(&__get_cpu_var(l))
-#define cpu_local_set(l, i)	local_set(&__get_cpu_var(l), (i))
-
-#define cpu_local_inc(l)	local_inc(&__get_cpu_var(l))
-#define cpu_local_dec(l)	local_dec(&__get_cpu_var(l))
-#define cpu_local_add(i, l)	local_add((i), &__get_cpu_var(l))
-#define cpu_local_sub(i, l)	local_sub((i), &__get_cpu_var(l))
-
-#define __cpu_local_inc(l)	__local_inc(&__get_cpu_var(l))
-#define __cpu_local_dec(l)	__local_dec(&__get_cpu_var(l))
-#define __cpu_local_add(i, l)	__local_add((i), &__get_cpu_var(l))
-#define __cpu_local_sub(i, l)	__local_sub((i), &__get_cpu_var(l))
-
 #endif /* _ALPHA_LOCAL_H */
diff --git a/arch/alpha/include/asm/pci.h b/arch/alpha/include/asm/pci.h
index dd8dcabf160f..28d0497fd3c7 100644
--- a/arch/alpha/include/asm/pci.h
+++ b/arch/alpha/include/asm/pci.h
@@ -70,142 +70,11 @@ extern inline void pcibios_penalize_isa_irq(int irq, int active)
    decisions.  */
 #define PCI_DMA_BUS_IS_PHYS  0
 
-/* Allocate and map kernel buffer using consistent mode DMA for PCI
-   device.  Returns non-NULL cpu-view pointer to the buffer if
-   successful and sets *DMA_ADDRP to the pci side dma address as well,
-   else DMA_ADDRP is undefined.  */
-
-extern void *__pci_alloc_consistent(struct pci_dev *, size_t,
-				    dma_addr_t *, gfp_t);
-static inline void *
-pci_alloc_consistent(struct pci_dev *dev, size_t size, dma_addr_t *dma)
-{
-	return __pci_alloc_consistent(dev, size, dma, GFP_ATOMIC);
-}
-
-/* Free and unmap a consistent DMA buffer.  CPU_ADDR and DMA_ADDR must
-   be values that were returned from pci_alloc_consistent.  SIZE must
-   be the same as what as passed into pci_alloc_consistent.
-   References to the memory and mappings associated with CPU_ADDR or
-   DMA_ADDR past this call are illegal.  */
-
-extern void pci_free_consistent(struct pci_dev *, size_t, void *, dma_addr_t);
-
-/* Map a single buffer of the indicate size for PCI DMA in streaming mode.
-   The 32-bit PCI bus mastering address to use is returned.  Once the device
-   is given the dma address, the device owns this memory until either
-   pci_unmap_single or pci_dma_sync_single_for_cpu is performed.  */
-
-extern dma_addr_t pci_map_single(struct pci_dev *, void *, size_t, int);
-
-/* Likewise, but for a page instead of an address.  */
-extern dma_addr_t pci_map_page(struct pci_dev *, struct page *,
-			       unsigned long, size_t, int);
-
-/* Test for pci_map_single or pci_map_page having generated an error.  */
-
-static inline int
-pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr)
-{
-	return dma_addr == 0;
-}
-
-/* Unmap a single streaming mode DMA translation.  The DMA_ADDR and
-   SIZE must match what was provided for in a previous pci_map_single
-   call.  All other usages are undefined.  After this call, reads by
-   the cpu to the buffer are guaranteed to see whatever the device
-   wrote there.  */
-
-extern void pci_unmap_single(struct pci_dev *, dma_addr_t, size_t, int);
-extern void pci_unmap_page(struct pci_dev *, dma_addr_t, size_t, int);
-
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	\
-	dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)		\
-	__u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)			\
-	((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)		\
-	(((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)			\
-	((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)		\
-	(((PTR)->LEN_NAME) = (VAL))
-
-/* Map a set of buffers described by scatterlist in streaming mode for
-   PCI DMA.  This is the scatter-gather version of the above
-   pci_map_single interface.  Here the scatter gather list elements
-   are each tagged with the appropriate PCI dma address and length.
-   They are obtained via sg_dma_{address,length}(SG).
-
-   NOTE: An implementation may be able to use a smaller number of DMA
-   address/length pairs than there are SG table elements.  (for
-   example via virtual mapping capabilities) The routine returns the
-   number of addr/length pairs actually used, at most nents.
-
-   Device ownership issues as mentioned above for pci_map_single are
-   the same here.  */
-
-extern int pci_map_sg(struct pci_dev *, struct scatterlist *, int, int);
-
-/* Unmap a set of streaming mode DMA translations.  Again, cpu read
-   rules concerning calls here are the same as for pci_unmap_single()
-   above.  */
-
-extern void pci_unmap_sg(struct pci_dev *, struct scatterlist *, int, int);
-
-/* Make physical memory consistent for a single streaming mode DMA
-   translation after a transfer and device currently has ownership
-   of the buffer.
-
-   If you perform a pci_map_single() but wish to interrogate the
-   buffer using the cpu, yet do not wish to teardown the PCI dma
-   mapping, you must call this function before doing so.  At the next
-   point you give the PCI dma address back to the card, you must first
-   perform a pci_dma_sync_for_device, and then the device again owns
-   the buffer.  */
-
-static inline void
-pci_dma_sync_single_for_cpu(struct pci_dev *dev, dma_addr_t dma_addr,
-			    long size, int direction)
-{
-	/* Nothing to do.  */
-}
-
-static inline void
-pci_dma_sync_single_for_device(struct pci_dev *dev, dma_addr_t dma_addr,
-			       size_t size, int direction)
-{
-	/* Nothing to do.  */
-}
-
-/* Make physical memory consistent for a set of streaming mode DMA
-   translations after a transfer.  The same as pci_dma_sync_single_*
-   but for a scatter-gather list, same rules and usage.  */
-
-static inline void
-pci_dma_sync_sg_for_cpu(struct pci_dev *dev, struct scatterlist *sg,
-			int nents, int direction)
-{
-	/* Nothing to do.  */
-}
-
-static inline void
-pci_dma_sync_sg_for_device(struct pci_dev *dev, struct scatterlist *sg,
-			   int nents, int direction)
-{
-	/* Nothing to do.  */
-}
-
-/* Return whether the given PCI device DMA address mask can
-   be supported properly.  For example, if your device can
-   only drive the low 24-bits during PCI bus mastering, then
-   you would pass 0x00ffffff as the mask to this function.  */
+#ifdef CONFIG_PCI
 
-extern int pci_dma_supported(struct pci_dev *hwdev, u64 mask);
+/* implement the pci_ DMA API in terms of the generic device dma_ one */
+#include <asm-generic/pci-dma-compat.h>
 
-#ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 					enum pci_dma_burst_strategy *strat,
 					unsigned long *strategy_parameter)
@@ -244,8 +113,6 @@ static inline int pci_proc_domain(struct pci_bus *bus)
 	return hose->need_domain_info;
 }
 
-struct pci_dev *alpha_gendev_to_pci(struct device *dev);
-
 #endif /* __KERNEL__ */
 
 /* Values for the `which' argument to sys_pciconfig_iobase.  */
diff --git a/arch/alpha/include/asm/ptrace.h b/arch/alpha/include/asm/ptrace.h
index 32c7a5cddd59..65cf3e28e2f4 100644
--- a/arch/alpha/include/asm/ptrace.h
+++ b/arch/alpha/include/asm/ptrace.h
@@ -68,6 +68,7 @@ struct switch_stack {
 
 #ifdef __KERNEL__
 
+#define arch_has_single_step()		(1)
 #define user_mode(regs) (((regs)->ps & 8) != 0)
 #define instruction_pointer(regs) ((regs)->pc)
 #define profile_pc(regs) instruction_pointer(regs)
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 62619f25132f..53c213f70fcb 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -361,7 +361,7 @@ osf_procfs_mount(char *dirname, struct procfs_args __user *args, int flags)
 SYSCALL_DEFINE4(osf_mount, unsigned long, typenr, char __user *, path,
 		int, flag, void __user *, data)
 {
-	int retval = -EINVAL;
+	int retval;
 	char *name;
 
 	name = getname(path);
@@ -379,6 +379,7 @@ SYSCALL_DEFINE4(osf_mount, unsigned long, typenr, char __user *, path,
 		retval = osf_procfs_mount(name, data, flag);
 		break;
 	default:
+		retval = -EINVAL;
 		printk("osf_mount(%ld, %x)\n", typenr, flag);
 	}
 	putname(name);
diff --git a/arch/alpha/kernel/pci-noop.c b/arch/alpha/kernel/pci-noop.c
index c19a376520f4..823a540f9f5b 100644
--- a/arch/alpha/kernel/pci-noop.c
+++ b/arch/alpha/kernel/pci-noop.c
@@ -106,58 +106,8 @@ sys_pciconfig_write(unsigned long bus, unsigned long dfn,
 		return -ENODEV;
 }
 
-/* Stubs for the routines in pci_iommu.c: */
-
-void *
-__pci_alloc_consistent(struct pci_dev *pdev, size_t size,
-		       dma_addr_t *dma_addrp, gfp_t gfp)
-{
-	return NULL;
-}
-
-void
-pci_free_consistent(struct pci_dev *pdev, size_t size, void *cpu_addr,
-		    dma_addr_t dma_addr)
-{
-}
-
-dma_addr_t
-pci_map_single(struct pci_dev *pdev, void *cpu_addr, size_t size,
-	       int direction)
-{
-	return (dma_addr_t) 0;
-}
-
-void
-pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr, size_t size,
-		 int direction)
-{
-}
-
-int
-pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
-	   int direction)
-{
-	return 0;
-}
-
-void
-pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
-	     int direction)
-{
-}
-
-int
-pci_dma_supported(struct pci_dev *hwdev, dma_addr_t mask)
-{
-	return 0;
-}
-
-/* Generic DMA mapping functions: */
-
-void *
-dma_alloc_coherent(struct device *dev, size_t size,
-		   dma_addr_t *dma_handle, gfp_t gfp)
+static void *alpha_noop_alloc_coherent(struct device *dev, size_t size,
+				       dma_addr_t *dma_handle, gfp_t gfp)
 {
 	void *ret;
 
@@ -171,11 +121,22 @@ dma_alloc_coherent(struct device *dev, size_t size,
 	return ret;
 }
 
-EXPORT_SYMBOL(dma_alloc_coherent);
+static void alpha_noop_free_coherent(struct device *dev, size_t size,
+				     void *cpu_addr, dma_addr_t dma_addr)
+{
+	free_pages((unsigned long)cpu_addr, get_order(size));
+}
+
+static dma_addr_t alpha_noop_map_page(struct device *dev, struct page *page,
+				      unsigned long offset, size_t size,
+				      enum dma_data_direction dir,
+				      struct dma_attrs *attrs)
+{
+	return page_to_pa(page) + offset;
+}
 
-int
-dma_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
-	   enum dma_data_direction direction)
+static int alpha_noop_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
+			     enum dma_data_direction dir, struct dma_attrs *attrs)
 {
 	int i;
 	struct scatterlist *sg;
@@ -192,19 +153,37 @@ dma_map_sg(struct device *dev, struct scatterlist *sgl, int nents,
 	return nents;
 }
 
-EXPORT_SYMBOL(dma_map_sg);
+static int alpha_noop_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+	return 0;
+}
+
+static int alpha_noop_supported(struct device *dev, u64 mask)
+{
+	return mask < 0x00ffffffUL ? 0 : 1;
+}
 
-int
-dma_set_mask(struct device *dev, u64 mask)
+static int alpha_noop_set_mask(struct device *dev, u64 mask)
 {
 	if (!dev->dma_mask || !dma_supported(dev, mask))
 		return -EIO;
 
 	*dev->dma_mask = mask;
-
 	return 0;
 }
-EXPORT_SYMBOL(dma_set_mask);
+
+struct dma_map_ops alpha_noop_ops = {
+	.alloc_coherent		= alpha_noop_alloc_coherent,
+	.free_coherent		= alpha_noop_free_coherent,
+	.map_page		= alpha_noop_map_page,
+	.map_sg			= alpha_noop_map_sg,
+	.mapping_error		= alpha_noop_mapping_error,
+	.dma_supported		= alpha_noop_supported,
+	.set_dma_mask		= alpha_noop_set_mask,
+};
+
+struct dma_map_ops *dma_ops = &alpha_noop_ops;
+EXPORT_SYMBOL(dma_ops);
 
 void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
 {
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index 8449504f5e0b..ce9e54c887fa 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -216,10 +216,30 @@ iommu_arena_free(struct pci_iommu_arena *arena, long ofs, long n)
 	for (i = 0; i < n; ++i)
 		p[i] = 0;
 }
-
-/* True if the machine supports DAC addressing, and DEV can
-   make use of it given MASK.  */
-static int pci_dac_dma_supported(struct pci_dev *hwdev, u64 mask);
+
+/*
+ * True if the machine supports DAC addressing, and DEV can
+ * make use of it given MASK.
+ */
+static int pci_dac_dma_supported(struct pci_dev *dev, u64 mask)
+{
+	dma64_addr_t dac_offset = alpha_mv.pci_dac_offset;
+	int ok = 1;
+
+	/* If this is not set, the machine doesn't support DAC at all.  */
+	if (dac_offset == 0)
+		ok = 0;
+
+	/* The device has to be able to address our DAC bit.  */
+	if ((dac_offset & dev->dma_mask) != dac_offset)
+		ok = 0;
+
+	/* If both conditions above are met, we are fine. */
+	DBGA("pci_dac_dma_supported %s from %p\n",
+	     ok ? "yes" : "no", __builtin_return_address(0));
+
+	return ok;
+}
 
 /* Map a single buffer of the indicated size for PCI DMA in streaming
    mode.  The 32-bit PCI bus mastering address to use is returned.
@@ -301,23 +321,36 @@ pci_map_single_1(struct pci_dev *pdev, void *cpu_addr, size_t size,
 	return ret;
 }
 
-dma_addr_t
-pci_map_single(struct pci_dev *pdev, void *cpu_addr, size_t size, int dir)
+/* Helper for generic DMA-mapping functions. */
+static struct pci_dev *alpha_gendev_to_pci(struct device *dev)
 {
-	int dac_allowed; 
+	if (dev && dev->bus == &pci_bus_type)
+		return to_pci_dev(dev);
 
-	if (dir == PCI_DMA_NONE)
-		BUG();
+	/* Assume that non-PCI devices asking for DMA are either ISA or EISA,
+	   BUG() otherwise. */
+	BUG_ON(!isa_bridge);
 
-	dac_allowed = pdev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0; 
-	return pci_map_single_1(pdev, cpu_addr, size, dac_allowed);
+	/* Assume non-busmaster ISA DMA when dma_mask is not set (the ISA
+	   bridge is bus master then). */
+	if (!dev || !dev->dma_mask || !*dev->dma_mask)
+		return isa_bridge;
+
+	/* For EISA bus masters, return isa_bridge (it might have smaller
+	   dma_mask due to wiring limitations). */
+	if (*dev->dma_mask >= isa_bridge->dma_mask)
+		return isa_bridge;
+
+	/* This assumes ISA bus master with dma_mask 0xffffff. */
+	return NULL;
 }
-EXPORT_SYMBOL(pci_map_single);
 
-dma_addr_t
-pci_map_page(struct pci_dev *pdev, struct page *page, unsigned long offset,
-	     size_t size, int dir)
+static dma_addr_t alpha_pci_map_page(struct device *dev, struct page *page,
+				     unsigned long offset, size_t size,
+				     enum dma_data_direction dir,
+				     struct dma_attrs *attrs)
 {
+	struct pci_dev *pdev = alpha_gendev_to_pci(dev);
 	int dac_allowed;
 
 	if (dir == PCI_DMA_NONE)
@@ -327,7 +360,6 @@ pci_map_page(struct pci_dev *pdev, struct page *page, unsigned long offset,
 	return pci_map_single_1(pdev, (char *)page_address(page) + offset, 
 				size, dac_allowed);
 }
-EXPORT_SYMBOL(pci_map_page);
 
 /* Unmap a single streaming mode DMA translation.  The DMA_ADDR and
    SIZE must match what was provided for in a previous pci_map_single
@@ -335,16 +367,17 @@ EXPORT_SYMBOL(pci_map_page);
    the cpu to the buffer are guaranteed to see whatever the device
    wrote there.  */
 
-void
-pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr, size_t size,
-		 int direction)
+static void alpha_pci_unmap_page(struct device *dev, dma_addr_t dma_addr,
+				 size_t size, enum dma_data_direction dir,
+				 struct dma_attrs *attrs)
 {
 	unsigned long flags;
+	struct pci_dev *pdev = alpha_gendev_to_pci(dev);
 	struct pci_controller *hose = pdev ? pdev->sysdata : pci_isa_hose;
 	struct pci_iommu_arena *arena;
 	long dma_ofs, npages;
 
-	if (direction == PCI_DMA_NONE)
+	if (dir == PCI_DMA_NONE)
 		BUG();
 
 	if (dma_addr >= __direct_map_base
@@ -393,25 +426,16 @@ pci_unmap_single(struct pci_dev *pdev, dma_addr_t dma_addr, size_t size,
 	DBGA2("pci_unmap_single: sg [%llx,%zx] np %ld from %p\n",
 	      dma_addr, size, npages, __builtin_return_address(0));
 }
-EXPORT_SYMBOL(pci_unmap_single);
-
-void
-pci_unmap_page(struct pci_dev *pdev, dma_addr_t dma_addr,
-	       size_t size, int direction)
-{
-	pci_unmap_single(pdev, dma_addr, size, direction);
-}
-EXPORT_SYMBOL(pci_unmap_page);
 
 /* Allocate and map kernel buffer using consistent mode DMA for PCI
    device.  Returns non-NULL cpu-view pointer to the buffer if
    successful and sets *DMA_ADDRP to the pci side dma address as well,
    else DMA_ADDRP is undefined.  */
 
-void *
-__pci_alloc_consistent(struct pci_dev *pdev, size_t size,
-		       dma_addr_t *dma_addrp, gfp_t gfp)
+static void *alpha_pci_alloc_coherent(struct device *dev, size_t size,
+				      dma_addr_t *dma_addrp, gfp_t gfp)
 {
+	struct pci_dev *pdev = alpha_gendev_to_pci(dev);
 	void *cpu_addr;
 	long order = get_order(size);
 
@@ -439,13 +463,12 @@ try_again:
 		gfp |= GFP_DMA;
 		goto try_again;
 	}
-		
+
 	DBGA2("pci_alloc_consistent: %zx -> [%p,%llx] from %p\n",
 	      size, cpu_addr, *dma_addrp, __builtin_return_address(0));
 
 	return cpu_addr;
 }
-EXPORT_SYMBOL(__pci_alloc_consistent);
 
 /* Free and unmap a consistent DMA buffer.  CPU_ADDR and DMA_ADDR must
    be values that were returned from pci_alloc_consistent.  SIZE must
@@ -453,17 +476,16 @@ EXPORT_SYMBOL(__pci_alloc_consistent);
    References to the memory and mappings associated with CPU_ADDR or
    DMA_ADDR past this call are illegal.  */
 
-void
-pci_free_consistent(struct pci_dev *pdev, size_t size, void *cpu_addr,
-		    dma_addr_t dma_addr)
+static void alpha_pci_free_coherent(struct device *dev, size_t size,
+				    void *cpu_addr, dma_addr_t dma_addr)
 {
+	struct pci_dev *pdev = alpha_gendev_to_pci(dev);
 	pci_unmap_single(pdev, dma_addr, size, PCI_DMA_BIDIRECTIONAL);
 	free_pages((unsigned long)cpu_addr, get_order(size));
 
 	DBGA2("pci_free_consistent: [%llx,%zx] from %p\n",
 	      dma_addr, size, __builtin_return_address(0));
 }
-EXPORT_SYMBOL(pci_free_consistent);
 
 /* Classify the elements of the scatterlist.  Write dma_address
    of each element with:
@@ -626,23 +648,21 @@ sg_fill(struct device *dev, struct scatterlist *leader, struct scatterlist *end,
 	return 1;
 }
 
-int
-pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
-	   int direction)
+static int alpha_pci_map_sg(struct device *dev, struct scatterlist *sg,
+			    int nents, enum dma_data_direction dir,
+			    struct dma_attrs *attrs)
 {
+	struct pci_dev *pdev = alpha_gendev_to_pci(dev);
 	struct scatterlist *start, *end, *out;
 	struct pci_controller *hose;
 	struct pci_iommu_arena *arena;
 	dma_addr_t max_dma;
 	int dac_allowed;
-	struct device *dev;
 
-	if (direction == PCI_DMA_NONE)
+	if (dir == PCI_DMA_NONE)
 		BUG();
 
-	dac_allowed = pdev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0;
-
-	dev = pdev ? &pdev->dev : NULL;
+	dac_allowed = dev ? pci_dac_dma_supported(pdev, pdev->dma_mask) : 0;
 
 	/* Fast path single entry scatterlists.  */
 	if (nents == 1) {
@@ -699,19 +719,19 @@ pci_map_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
 	/* Some allocation failed while mapping the scatterlist
 	   entries.  Unmap them now.  */
 	if (out > start)
-		pci_unmap_sg(pdev, start, out - start, direction);
+		pci_unmap_sg(pdev, start, out - start, dir);
 	return 0;
 }
-EXPORT_SYMBOL(pci_map_sg);
 
 /* Unmap a set of streaming mode DMA translations.  Again, cpu read
    rules concerning calls here are the same as for pci_unmap_single()
    above.  */
 
-void
-pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
-	     int direction)
+static void alpha_pci_unmap_sg(struct device *dev, struct scatterlist *sg,
+			       int nents, enum dma_data_direction dir,
+			       struct dma_attrs *attrs)
 {
+	struct pci_dev *pdev = alpha_gendev_to_pci(dev);
 	unsigned long flags;
 	struct pci_controller *hose;
 	struct pci_iommu_arena *arena;
@@ -719,7 +739,7 @@ pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
 	dma_addr_t max_dma;
 	dma_addr_t fbeg, fend;
 
-	if (direction == PCI_DMA_NONE)
+	if (dir == PCI_DMA_NONE)
 		BUG();
 
 	if (! alpha_mv.mv_pci_tbi)
@@ -783,15 +803,13 @@ pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sg, int nents,
 
 	DBGA("pci_unmap_sg: %ld entries\n", nents - (end - sg));
 }
-EXPORT_SYMBOL(pci_unmap_sg);
-
 
 /* Return whether the given PCI device DMA address mask can be
    supported properly.  */
 
-int
-pci_dma_supported(struct pci_dev *pdev, u64 mask)
+static int alpha_pci_supported(struct device *dev, u64 mask)
 {
+	struct pci_dev *pdev = alpha_gendev_to_pci(dev);
 	struct pci_controller *hose;
 	struct pci_iommu_arena *arena;
 
@@ -818,7 +836,6 @@ pci_dma_supported(struct pci_dev *pdev, u64 mask)
 
 	return 0;
 }
-EXPORT_SYMBOL(pci_dma_supported);
 
 
 /*
@@ -918,66 +935,32 @@ iommu_unbind(struct pci_iommu_arena *arena, long pg_start, long pg_count)
 	return 0;
 }
 
-/* True if the machine supports DAC addressing, and DEV can
-   make use of it given MASK.  */
-
-static int
-pci_dac_dma_supported(struct pci_dev *dev, u64 mask)
-{
-	dma64_addr_t dac_offset = alpha_mv.pci_dac_offset;
-	int ok = 1;
-
-	/* If this is not set, the machine doesn't support DAC at all.  */
-	if (dac_offset == 0)
-		ok = 0;
-
-	/* The device has to be able to address our DAC bit.  */
-	if ((dac_offset & dev->dma_mask) != dac_offset)
-		ok = 0;
-
-	/* If both conditions above are met, we are fine. */
-	DBGA("pci_dac_dma_supported %s from %p\n",
-	     ok ? "yes" : "no", __builtin_return_address(0));
-
-	return ok;
-}
-
-/* Helper for generic DMA-mapping functions. */
-
-struct pci_dev *
-alpha_gendev_to_pci(struct device *dev)
+static int alpha_pci_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
-	if (dev && dev->bus == &pci_bus_type)
-		return to_pci_dev(dev);
-
-	/* Assume that non-PCI devices asking for DMA are either ISA or EISA,
-	   BUG() otherwise. */
-	BUG_ON(!isa_bridge);
-
-	/* Assume non-busmaster ISA DMA when dma_mask is not set (the ISA
-	   bridge is bus master then). */
-	if (!dev || !dev->dma_mask || !*dev->dma_mask)
-		return isa_bridge;
-
-	/* For EISA bus masters, return isa_bridge (it might have smaller
-	   dma_mask due to wiring limitations). */
-	if (*dev->dma_mask >= isa_bridge->dma_mask)
-		return isa_bridge;
-
-	/* This assumes ISA bus master with dma_mask 0xffffff. */
-	return NULL;
+	return dma_addr == 0;
 }
-EXPORT_SYMBOL(alpha_gendev_to_pci);
 
-int
-dma_set_mask(struct device *dev, u64 mask)
+static int alpha_pci_set_mask(struct device *dev, u64 mask)
 {
 	if (!dev->dma_mask ||
 	    !pci_dma_supported(alpha_gendev_to_pci(dev), mask))
 		return -EIO;
 
 	*dev->dma_mask = mask;
-
 	return 0;
 }
-EXPORT_SYMBOL(dma_set_mask);
+
+struct dma_map_ops alpha_pci_ops = {
+	.alloc_coherent		= alpha_pci_alloc_coherent,
+	.free_coherent		= alpha_pci_free_coherent,
+	.map_page		= alpha_pci_map_page,
+	.unmap_page		= alpha_pci_unmap_page,
+	.map_sg			= alpha_pci_map_sg,
+	.unmap_sg		= alpha_pci_unmap_sg,
+	.mapping_error		= alpha_pci_mapping_error,
+	.dma_supported		= alpha_pci_supported,
+	.set_dma_mask		= alpha_pci_set_mask,
+};
+
+struct dma_map_ops *dma_ops = &alpha_pci_ops;
+EXPORT_SYMBOL(dma_ops);
diff --git a/arch/alpha/kernel/ptrace.c b/arch/alpha/kernel/ptrace.c
index e072041d19f8..9acadc6b16a0 100644
--- a/arch/alpha/kernel/ptrace.c
+++ b/arch/alpha/kernel/ptrace.c
@@ -249,6 +249,17 @@ ptrace_cancel_bpt(struct task_struct * child)
 	return (nsaved != 0);
 }
 
+void user_enable_single_step(struct task_struct *child)
+{
+	/* Mark single stepping.  */
+	task_thread_info(child)->bpt_nsaved = -1;
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+	ptrace_cancel_bpt(child);
+}
+
 /*
  * Called by kernel/ptrace.c when detaching..
  *
@@ -256,7 +267,7 @@ ptrace_cancel_bpt(struct task_struct * child)
  */
 void ptrace_disable(struct task_struct *child)
 { 
-	ptrace_cancel_bpt(child);
+	user_disable_single_step(child);
 }
 
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
@@ -295,52 +306,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		DBG(DBG_MEM, ("poke $%ld<-%#lx\n", addr, data));
 		ret = put_reg(child, addr, data);
 		break;
-
-	case PTRACE_SYSCALL:
-		/* continue and stop at next (return from) syscall */
-	case PTRACE_CONT:    /* restart after signal. */
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		if (request == PTRACE_SYSCALL)
-			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		else
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		child->exit_code = data;
-		/* make sure single-step breakpoint is gone. */
-		ptrace_cancel_bpt(child);
-		wake_up_process(child);
-		ret = 0;
-		break;
-
-	/*
-	 * Make the child exit.  Best I can do is send it a sigkill.
-	 * perhaps it should be put in the status that it wants to
-	 * exit.
-	 */
-	case PTRACE_KILL:
-		ret = 0;
-		if (child->exit_state == EXIT_ZOMBIE)
-			break;
-		child->exit_code = SIGKILL;
-		/* make sure single-step breakpoint is gone. */
-		ptrace_cancel_bpt(child);
-		wake_up_process(child);
-		break;
-
-	case PTRACE_SINGLESTEP:  /* execute single instruction. */
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		/* Mark single stepping.  */
-		task_thread_info(child)->bpt_nsaved = -1;
-		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		child->exit_code = data;
-		wake_up_process(child);
-		/* give it a chance to run. */
-		ret = 0;
-		break;
-
 	default:
 		ret = ptrace_request(child, request, addr, data);
 		break;
diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c
index d64e1e497e76..4026502ab707 100644
--- a/arch/alpha/kernel/sys_dp264.c
+++ b/arch/alpha/kernel/sys_dp264.c
@@ -224,7 +224,7 @@ static void
 dp264_device_interrupt(unsigned long vector)
 {
 #if 1
-	printk("dp264_device_interrupt: NOT IMPLEMENTED YET!! \n");
+	printk("dp264_device_interrupt: NOT IMPLEMENTED YET!!\n");
 #else
 	unsigned long pld;
 	unsigned int i;
diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index 288053342c83..9008d0f20c53 100644
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.c
@@ -171,7 +171,7 @@ titan_set_irq_affinity(unsigned int irq, const struct cpumask *affinity)
 static void
 titan_device_interrupt(unsigned long vector)
 {
-	printk("titan_device_interrupt: NOT IMPLEMENTED YET!! \n");
+	printk("titan_device_interrupt: NOT IMPLEMENTED YET!!\n");
 }
 
 static void 
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index 6ee7655b7568..b14f015008ad 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -17,6 +17,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kallsyms.h>
+#include <linux/ratelimit.h>
 
 #include <asm/gentrap.h>
 #include <asm/uaccess.h>
@@ -771,8 +772,7 @@ asmlinkage void
 do_entUnaUser(void __user * va, unsigned long opcode,
 	      unsigned long reg, struct pt_regs *regs)
 {
-	static int cnt = 0;
-	static unsigned long last_time;
+	static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
 
 	unsigned long tmp1, tmp2, tmp3, tmp4;
 	unsigned long fake_reg, *reg_addr = &fake_reg;
@@ -783,15 +783,11 @@ do_entUnaUser(void __user * va, unsigned long opcode,
 	   with the unaliged access.  */
 
 	if (!test_thread_flag (TIF_UAC_NOPRINT)) {
-		if (cnt >= 5 && time_after(jiffies, last_time + 5 * HZ)) {
-			cnt = 0;
-		}
-		if (++cnt < 5) {
+		if (__ratelimit(&ratelimit)) {
 			printk("%s(%d): unaligned trap at %016lx: %p %lx %ld\n",
 			       current->comm, task_pid_nr(current),
 			       regs->pc - 4, va, opcode, reg);
 		}
-		last_time = jiffies;
 	}
 	if (test_thread_flag (TIF_UAC_SIGBUS))
 		goto give_sigbus;
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3b181284970f..c5408bf1bf43 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -155,6 +155,9 @@ config ARCH_MAY_HAVE_PC_FDC
 config ZONE_DMA
 	bool
 
+config NEED_DMA_MAP_STATE
+       def_bool y
+
 config GENERIC_ISA_DMA
 	bool
 
@@ -215,6 +218,10 @@ config MMU
 	  Select if you want MMU-based virtualised addressing space
 	  support by paged memory management. If unsure, say 'Y'.
 
+#
+# The "ARM system type" choice list is ordered alphabetically by option
+# text.  Please add new entries in the option alphabetic order.
+#
 choice
 	prompt "ARM system type"
 	default ARCH_VERSATILE
@@ -271,6 +278,18 @@ config ARCH_AT91
 	  This enables support for systems based on the Atmel AT91RM9200,
 	  AT91SAM9 and AT91CAP9 processors.
 
+config ARCH_BCMRING
+	bool "Broadcom BCMRING"
+	depends on MMU
+	select CPU_V6
+	select ARM_AMBA
+	select COMMON_CLKDEV
+	select GENERIC_TIME
+	select GENERIC_CLOCKEVENTS
+	select ARCH_WANT_OPTIONAL_GPIOLIB
+	help
+	  Support for Broadcom's BCMRing platform.
+
 config ARCH_CLPS711X
 	bool "Cirrus Logic CLPS711x/EP721x-based"
 	select CPU_ARM720T
@@ -321,10 +340,9 @@ config ARCH_MXC
 	bool "Freescale MXC/iMX-based"
 	select GENERIC_TIME
 	select GENERIC_CLOCKEVENTS
-	select ARCH_MTD_XIP
-	select GENERIC_GPIO
 	select ARCH_REQUIRE_GPIOLIB
 	select HAVE_CLK
+	select COMMON_CLKDEV
 	help
 	  Support for Freescale MXC/iMX-based family of processors
 
@@ -357,20 +375,6 @@ config ARCH_H720X
 	help
 	  This enables support for systems based on the Hynix HMS720x
 
-config ARCH_NOMADIK
-	bool "STMicroelectronics Nomadik"
-	select ARM_AMBA
-	select ARM_VIC
-	select CPU_ARM926T
-	select HAVE_CLK
-	select COMMON_CLKDEV
-	select GENERIC_TIME
-	select GENERIC_CLOCKEVENTS
-	select GENERIC_GPIO
-	select ARCH_REQUIRE_GPIOLIB
-	help
-	  Support for the Nomadik platform by ST-Ericsson
-
 config ARCH_IOP13XX
 	bool "IOP13xx-based"
 	depends on MMU
@@ -508,7 +512,7 @@ config ARCH_ORION5X
 	  Orion-2 (5281), Orion-1-90 (6183).
 
 config ARCH_MMP
-	bool "Marvell PXA168/910"
+	bool "Marvell PXA168/910/MMP2"
 	depends on MMU
 	select GENERIC_GPIO
 	select ARCH_REQUIRE_GPIOLIB
@@ -519,7 +523,7 @@ config ARCH_MMP
 	select TICK_ONESHOT
 	select PLAT_PXA
 	help
-	  Support for Marvell's PXA168/910 processor line.
+	  Support for Marvell's PXA168/PXA910(MMP) and MMP2 processor line.
 
 config ARCH_KS8695
 	bool "Micrel/Kendin KS8695"
@@ -605,6 +609,11 @@ config ARCH_MSM
 	  interface to the ARM9 modem processor which runs the baseband stack
 	  and controls some vital subsystems (clock and power control, etc).
 
+config ARCH_SHMOBILE
+	bool "Renesas SH-Mobile"
+	help
+	  Support for Renesas's SH-Mobile ARM platforms
+
 config ARCH_RPC
 	bool "RiscPC"
 	select ARCH_ACORN
@@ -648,12 +657,43 @@ config ARCH_S3C2410
 
 config ARCH_S3C64XX
 	bool "Samsung S3C64XX"
+	select PLAT_SAMSUNG
+	select CPU_V6
 	select GENERIC_GPIO
+	select ARM_VIC
 	select HAVE_CLK
+	select NO_IOPORT
 	select ARCH_HAS_CPUFREQ
+	select ARCH_REQUIRE_GPIOLIB
+	select SAMSUNG_CLKSRC
+	select SAMSUNG_IRQ_VIC_TIMER
+	select SAMSUNG_IRQ_UART
+	select S3C_GPIO_TRACK
+	select S3C_GPIO_PULL_UPDOWN
+	select S3C_GPIO_CFG_S3C24XX
+	select S3C_GPIO_CFG_S3C64XX
+	select S3C_DEV_NAND
+	select USB_ARCH_HAS_OHCI
+	select SAMSUNG_GPIOLIB_4BIT
 	help
 	  Samsung S3C64XX series based systems
 
+config ARCH_S5P6440
+	bool "Samsung S5P6440"
+	select CPU_V6
+	select GENERIC_GPIO
+	select HAVE_CLK
+	help
+	  Samsung S5P6440 CPU based systems
+
+config ARCH_S5P6442
+	bool "Samsung S5P6442"
+	select CPU_V6
+	select GENERIC_GPIO
+	select HAVE_CLK
+	help
+	  Samsung S5P6442 CPU based systems
+
 config ARCH_S5PC1XX
 	bool "Samsung S5PC1XX"
 	select GENERIC_GPIO
@@ -663,6 +703,15 @@ config ARCH_S5PC1XX
 	help
 	  Samsung S5PC1XX series based systems
 
+config ARCH_S5PV210
+	bool "Samsung S5PV210/S5PC110"
+	select CPU_V7
+	select GENERIC_GPIO
+	select HAVE_CLK
+	select ARM_L1_CACHE_SHIFT_6
+	help
+	  Samsung S5PV210/S5PC110 series based systems
+
 config ARCH_SHARK
 	bool "Shark"
 	select CPU_SA110
@@ -700,6 +749,30 @@ config ARCH_U300
 	help
 	  Support for ST-Ericsson U300 series mobile platforms.
 
+config ARCH_U8500
+	bool "ST-Ericsson U8500 Series"
+	select CPU_V7
+	select ARM_AMBA
+	select GENERIC_TIME
+	select GENERIC_CLOCKEVENTS
+	select COMMON_CLKDEV
+	help
+	  Support for ST-Ericsson's Ux500 architecture
+
+config ARCH_NOMADIK
+	bool "STMicroelectronics Nomadik"
+	select ARM_AMBA
+	select ARM_VIC
+	select CPU_ARM926T
+	select HAVE_CLK
+	select COMMON_CLKDEV
+	select GENERIC_TIME
+	select GENERIC_CLOCKEVENTS
+	select GENERIC_GPIO
+	select ARCH_REQUIRE_GPIOLIB
+	help
+	  Support for the Nomadik platform by ST-Ericsson
+
 config ARCH_DAVINCI
 	bool "TI DaVinci"
 	select CPU_ARM926T
@@ -728,30 +801,13 @@ config ARCH_OMAP
 	help
 	  Support for TI's OMAP platform (OMAP1 and OMAP2).
 
-config ARCH_BCMRING
-	bool "Broadcom BCMRING"
-	depends on MMU
-	select CPU_V6
-	select ARM_AMBA
-	select COMMON_CLKDEV
-	select GENERIC_TIME
-	select GENERIC_CLOCKEVENTS
-	select ARCH_WANT_OPTIONAL_GPIOLIB
-	help
-	  Support for Broadcom's BCMRing platform.
-
-config ARCH_U8500
-	bool "ST-Ericsson U8500 Series"
-	select CPU_V7
-	select ARM_AMBA
-	select GENERIC_TIME
-	select GENERIC_CLOCKEVENTS
-	select COMMON_CLKDEV
-	help
-	  Support for ST-Ericsson's Ux500 architecture
-
 endchoice
 
+#
+# This is sorted alphabetically by mach-* pathname.  However, plat-*
+# Kconfigs may be included either alphabetically (according to the
+# plat- suffix) or along side the corresponding mach-* source.
+#
 source "arch/arm/mach-aaec2000/Kconfig"
 
 source "arch/arm/mach-at91/Kconfig"
@@ -828,8 +884,7 @@ source "arch/arm/mach-sa1100/Kconfig"
 
 source "arch/arm/plat-samsung/Kconfig"
 source "arch/arm/plat-s3c24xx/Kconfig"
-source "arch/arm/plat-s3c64xx/Kconfig"
-source "arch/arm/plat-s3c/Kconfig"
+source "arch/arm/plat-s5p/Kconfig"
 source "arch/arm/plat-s5pc1xx/Kconfig"
 
 if ARCH_S3C2410
@@ -837,21 +892,27 @@ source "arch/arm/mach-s3c2400/Kconfig"
 source "arch/arm/mach-s3c2410/Kconfig"
 source "arch/arm/mach-s3c2412/Kconfig"
 source "arch/arm/mach-s3c2440/Kconfig"
-source "arch/arm/mach-s3c2442/Kconfig"
 source "arch/arm/mach-s3c2443/Kconfig"
 endif
 
 if ARCH_S3C64XX
-source "arch/arm/mach-s3c6400/Kconfig"
-source "arch/arm/mach-s3c6410/Kconfig"
+source "arch/arm/mach-s3c64xx/Kconfig"
 endif
 
-source "arch/arm/plat-stmp3xxx/Kconfig"
+source "arch/arm/mach-s5p6440/Kconfig"
+
+source "arch/arm/mach-s5p6442/Kconfig"
 
 if ARCH_S5PC1XX
 source "arch/arm/mach-s5pc100/Kconfig"
 endif
 
+source "arch/arm/mach-s5pv210/Kconfig"
+
+source "arch/arm/mach-shmobile/Kconfig"
+
+source "arch/arm/plat-stmp3xxx/Kconfig"
+
 source "arch/arm/mach-u300/Kconfig"
 
 source "arch/arm/mach-ux500/Kconfig"
@@ -1117,7 +1178,7 @@ source kernel/Kconfig.preempt
 config HZ
 	int
 	default 128 if ARCH_L7200
-	default 200 if ARCH_EBSA110 || ARCH_S3C2410
+	default 200 if ARCH_EBSA110 || ARCH_S3C2410 || ARCH_S5P6440 || ARCH_S5P6442 || ARCH_S5PV210
 	default OMAP_32K_TIMER_HZ if ARCH_OMAP && OMAP_32K_TIMER
 	default AT91_TIMER_HZ if ARCH_AT91
 	default 100
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 5cb9326df7a7..91344af75f39 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -117,7 +117,7 @@ config DEBUG_CLPS711X_UART2
 	  cause the debug messages to appear on the first serial port.
 
 config DEBUG_S3C_UART
-	depends on PLAT_S3C
+	depends on PLAT_SAMSUNG
 	int "S3C UART to use for low-level debug"
 	default "0"
 	help
diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 81f54ca30788..ed820e737a8a 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -146,6 +146,7 @@ machine-$(CONFIG_ARCH_MX1)		:= mx1
 machine-$(CONFIG_ARCH_MX2)		:= mx2
 machine-$(CONFIG_ARCH_MX25)		:= mx25
 machine-$(CONFIG_ARCH_MX3)		:= mx3
+machine-$(CONFIG_ARCH_MX5)		:= mx5
 machine-$(CONFIG_ARCH_MXC91231)		:= mxc91231
 machine-$(CONFIG_ARCH_NETX)		:= netx
 machine-$(CONFIG_ARCH_NOMADIK)		:= nomadik
@@ -159,12 +160,16 @@ machine-$(CONFIG_ARCH_PNX4008)		:= pnx4008
 machine-$(CONFIG_ARCH_PXA)		:= pxa
 machine-$(CONFIG_ARCH_REALVIEW)		:= realview
 machine-$(CONFIG_ARCH_RPC)		:= rpc
-machine-$(CONFIG_ARCH_S3C2410)		:= s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443
+machine-$(CONFIG_ARCH_S3C2410)		:= s3c2410 s3c2400 s3c2412 s3c2440 s3c2443
 machine-$(CONFIG_ARCH_S3C24A0)		:= s3c24a0
-machine-$(CONFIG_ARCH_S3C64XX)		:= s3c6400 s3c6410
+machine-$(CONFIG_ARCH_S3C64XX)		:= s3c64xx
+machine-$(CONFIG_ARCH_S5P6440)		:= s5p6440
+machine-$(CONFIG_ARCH_S5P6442)		:= s5p6442
 machine-$(CONFIG_ARCH_S5PC1XX)		:= s5pc100
+machine-$(CONFIG_ARCH_S5PV210)		:= s5pv210
 machine-$(CONFIG_ARCH_SA1100)		:= sa1100
 machine-$(CONFIG_ARCH_SHARK)		:= shark
+machine-$(CONFIG_ARCH_SHMOBILE) 	:= shmobile
 machine-$(CONFIG_ARCH_STMP378X)		:= stmp378x
 machine-$(CONFIG_ARCH_STMP37XX)		:= stmp37xx
 machine-$(CONFIG_ARCH_U300)		:= u300
@@ -178,14 +183,15 @@ machine-$(CONFIG_FOOTBRIDGE)		:= footbridge
 # by CONFIG_* macro name.
 plat-$(CONFIG_ARCH_MXC)		:= mxc
 plat-$(CONFIG_ARCH_OMAP)	:= omap
+plat-$(CONFIG_ARCH_S3C64XX)	:= samsung
 plat-$(CONFIG_ARCH_STMP3XXX)	:= stmp3xxx
 plat-$(CONFIG_PLAT_IOP)		:= iop
 plat-$(CONFIG_PLAT_NOMADIK)	:= nomadik
 plat-$(CONFIG_PLAT_ORION)	:= orion
 plat-$(CONFIG_PLAT_PXA)		:= pxa
-plat-$(CONFIG_PLAT_S3C24XX)	:= s3c24xx s3c samsung
-plat-$(CONFIG_PLAT_S3C64XX)	:= s3c64xx s3c samsung
-plat-$(CONFIG_PLAT_S5PC1XX)	:= s5pc1xx s3c samsung
+plat-$(CONFIG_PLAT_S3C24XX)	:= s3c24xx samsung
+plat-$(CONFIG_PLAT_S5PC1XX)	:= s5pc1xx samsung
+plat-$(CONFIG_PLAT_S5P)		:= s5p samsung
 
 ifeq ($(CONFIG_ARCH_EBSA110),y)
 # This is what happens if you forget the IOCS16 line.
diff --git a/arch/arm/boot/bootp/init.S b/arch/arm/boot/bootp/init.S
index df7bc7068d0f..8b0de41c3dcb 100644
--- a/arch/arm/boot/bootp/init.S
+++ b/arch/arm/boot/bootp/init.S
@@ -49,7 +49,7 @@ _start:		add	lr, pc, #-0x8		@ lr = current load addr
 /*
  * find the end of the tag list, and then add an INITRD tag on the end.
  * If there is already an INITRD tag, then we ignore it; the last INITRD
- * tag takes precidence.
+ * tag takes precedence.
  */
 taglist:	ldr	r10, [r9, #0]		@ tag length
 		teq	r10, #0			@ last tag (zero length)?
diff --git a/arch/arm/boot/compressed/decompress.c b/arch/arm/boot/compressed/decompress.c
index 0da382f33157..9c097073ce4c 100644
--- a/arch/arm/boot/compressed/decompress.c
+++ b/arch/arm/boot/compressed/decompress.c
@@ -11,6 +11,7 @@ extern unsigned long free_mem_end_ptr;
 extern void error(char *);
 
 #define STATIC static
+#define STATIC_RW_DATA	/* non-static please */
 
 #define ARCH_HAS_DECOMP_WDOG
 
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 99b75aa1c2ec..0f23009170a1 100644
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -170,8 +170,8 @@ not_angel:
 
 		.text
 		adr	r0, LC0
- ARM(		ldmia	r0, {r1, r2, r3, r4, r5, r6, ip, sp}	)
- THUMB(		ldmia	r0, {r1, r2, r3, r4, r5, r6, ip}	)
+ ARM(		ldmia	r0, {r1, r2, r3, r4, r5, r6, r11, ip, sp})
+ THUMB(		ldmia	r0, {r1, r2, r3, r4, r5, r6, r11, ip}	)
  THUMB(		ldr	sp, [r0, #28]				)
 		subs	r0, r0, r1		@ calculate the delta offset
 
@@ -182,12 +182,13 @@ not_angel:
 		/*
 		 * We're running at a different address.  We need to fix
 		 * up various pointers:
-		 *   r5 - zImage base address
-		 *   r6 - GOT start
+		 *   r5 - zImage base address (_start)
+		 *   r6 - size of decompressed image
+		 *   r11 - GOT start
 		 *   ip - GOT end
 		 */
 		add	r5, r5, r0
-		add	r6, r6, r0
+		add	r11, r11, r0
 		add	ip, ip, r0
 
 #ifndef CONFIG_ZBOOT_ROM
@@ -205,10 +206,10 @@ not_angel:
 		/*
 		 * Relocate all entries in the GOT table.
 		 */
-1:		ldr	r1, [r6, #0]		@ relocate entries in the GOT
+1:		ldr	r1, [r11, #0]		@ relocate entries in the GOT
 		add	r1, r1, r0		@ table.  This fixes up the
-		str	r1, [r6], #4		@ C references.
-		cmp	r6, ip
+		str	r1, [r11], #4		@ C references.
+		cmp	r11, ip
 		blo	1b
 #else
 
@@ -216,12 +217,12 @@ not_angel:
 		 * Relocate entries in the GOT table.  We only relocate
 		 * the entries that are outside the (relocated) BSS region.
 		 */
-1:		ldr	r1, [r6, #0]		@ relocate entries in the GOT
+1:		ldr	r1, [r11, #0]		@ relocate entries in the GOT
 		cmp	r1, r2			@ entry < bss_start ||
 		cmphs	r3, r1			@ _end < entry
 		addlo	r1, r1, r0		@ table.  This fixes up the
-		str	r1, [r6], #4		@ C references.
-		cmp	r6, ip
+		str	r1, [r11], #4		@ C references.
+		cmp	r11, ip
 		blo	1b
 #endif
 
@@ -247,6 +248,7 @@ not_relocated:	mov	r0, #0
  * Check to see if we will overwrite ourselves.
  *   r4 = final kernel address
  *   r5 = start of this image
+ *   r6 = size of decompressed image
  *   r2 = end of malloc space (and therefore this image)
  * We basically want:
  *   r4 >= r2 -> OK
@@ -254,8 +256,7 @@ not_relocated:	mov	r0, #0
  */
 		cmp	r4, r2
 		bhs	wont_overwrite
-		sub	r3, sp, r5		@ > compressed kernel size
-		add	r0, r4, r3, lsl #2	@ allow for 4x expansion
+		add	r0, r4, r6
 		cmp	r0, r5
 		bls	wont_overwrite
 
@@ -271,7 +272,6 @@ not_relocated:	mov	r0, #0
  * r1-r3  = unused
  * r4     = kernel execution address
  * r5     = decompressed kernel start
- * r6     = processor ID
  * r7     = architecture ID
  * r8     = atags pointer
  * r9-r12,r14 = corrupted
@@ -312,7 +312,8 @@ LC0:		.word	LC0			@ r1
 		.word	_end			@ r3
 		.word	zreladdr		@ r4
 		.word	_start			@ r5
-		.word	_got_start		@ r6
+		.word	_image_size		@ r6
+		.word	_got_start		@ r11
 		.word	_got_end		@ ip
 		.word	user_stack+4096		@ sp
 LC1:		.word	reloc_end - reloc_start
@@ -336,7 +337,6 @@ params:		ldr	r0, =params_phys
  *
  * On entry,
  *  r4 = kernel execution address
- *  r6 = processor ID
  *  r7 = architecture number
  *  r8 = atags pointer
  *  r9 = run-time address of "start"  (???)
@@ -542,7 +542,6 @@ __common_mmu_cache_on:
  * r1-r3  = unused
  * r4     = kernel execution address
  * r5     = decompressed kernel start
- * r6     = processor ID
  * r7     = architecture ID
  * r8     = atags pointer
  * r9-r12,r14 = corrupted
@@ -581,19 +580,19 @@ call_kernel:	bl	cache_clean_flush
  *  r1  = corrupted
  *  r2  = corrupted
  *  r3  = block offset
- *  r6  = corrupted
+ *  r9  = corrupted
  *  r12 = corrupted
  */
 
 call_cache_fn:	adr	r12, proc_types
 #ifdef CONFIG_CPU_CP15
-		mrc	p15, 0, r6, c0, c0	@ get processor ID
+		mrc	p15, 0, r9, c0, c0	@ get processor ID
 #else
-		ldr	r6, =CONFIG_PROCESSOR_ID
+		ldr	r9, =CONFIG_PROCESSOR_ID
 #endif
 1:		ldr	r1, [r12, #0]		@ get value
 		ldr	r2, [r12, #4]		@ get mask
-		eor	r1, r1, r6		@ (real ^ match)
+		eor	r1, r1, r9		@ (real ^ match)
 		tst	r1, r2			@       & mask
  ARM(		addeq	pc, r12, r3		) @ call cache function
  THUMB(		addeq	r12, r3			)
@@ -743,7 +742,7 @@ proc_types:
 		.word	0x000f0000
 		W(b)	__armv4_mmu_cache_on
 		W(b)	__armv4_mmu_cache_off
-		W(b)	__armv4_mmu_cache_flush
+		W(b)	__armv5tej_mmu_cache_flush
 
 		.word	0x0007b000		@ ARMv6
 		.word	0x000ff000
@@ -778,8 +777,7 @@ proc_types:
  * Turn off the Cache and MMU.  ARMv3 does not support
  * reading the control register, but ARMv4 does.
  *
- * On entry,  r6 = processor ID
- * On exit,   r0, r1, r2, r3, r12 corrupted
+ * On exit, r0, r1, r2, r3, r9, r12 corrupted
  * This routine must preserve: r4, r6, r7
  */
 		.align	5
@@ -852,10 +850,8 @@ __armv3_mmu_cache_off:
 /*
  * Clean and flush the cache to maintain consistency.
  *
- * On entry,
- *  r6 = processor ID
  * On exit,
- *  r1, r2, r3, r11, r12 corrupted
+ *  r1, r2, r3, r9, r11, r12 corrupted
  * This routine must preserve:
  *  r0, r4, r5, r6, r7
  */
@@ -967,7 +963,7 @@ __armv4_mmu_cache_flush:
 		mov	r2, #64*1024		@ default: 32K dcache size (*2)
 		mov	r11, #32		@ default: 32 byte line size
 		mrc	p15, 0, r3, c0, c0, 1	@ read cache type
-		teq	r3, r6			@ cache ID register present?
+		teq	r3, r9			@ cache ID register present?
 		beq	no_cache_id
 		mov	r1, r3, lsr #18
 		and	r1, r1, #7
diff --git a/arch/arm/boot/compressed/misc.c b/arch/arm/boot/compressed/misc.c
index d32bc71c1f78..d2b2ef41cd4f 100644
--- a/arch/arm/boot/compressed/misc.c
+++ b/arch/arm/boot/compressed/misc.c
@@ -33,6 +33,7 @@ unsigned int __machine_arch_type;
 #else
 
 static void putstr(const char *ptr);
+extern void error(char *x);
 
 #include <mach/uncompress.h>
 
diff --git a/arch/arm/boot/compressed/vmlinux.lds.in b/arch/arm/boot/compressed/vmlinux.lds.in
index 7ca9ecff652f..d08168941bd6 100644
--- a/arch/arm/boot/compressed/vmlinux.lds.in
+++ b/arch/arm/boot/compressed/vmlinux.lds.in
@@ -43,6 +43,9 @@ SECTIONS
 
   _etext = .;
 
+  /* Assume size of decompressed image is 4x the compressed image */
+  _image_size = (_etext - _text) * 4;
+
   _got_start = .;
   .got			: { *(.got) }
   _got_end = .;
diff --git a/arch/arm/common/clkdev.c b/arch/arm/common/clkdev.c
index 446b696196e3..6416d5b5020d 100644
--- a/arch/arm/common/clkdev.c
+++ b/arch/arm/common/clkdev.c
@@ -32,7 +32,7 @@ static DEFINE_MUTEX(clocks_mutex);
  *  If an entry has a device ID, it must match
  *  If an entry has a connection ID, it must match
  * Then we take the most specific entry - with the following
- * order of precidence: dev+con > dev only > con only.
+ * order of precedence: dev+con > dev only > con only.
  */
 static struct clk *clk_find(const char *dev_id, const char *con_id)
 {
diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
index 2793447621c3..ee1d3b85eb65 100644
--- a/arch/arm/common/it8152.c
+++ b/arch/arm/common/it8152.c
@@ -272,33 +272,6 @@ int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
 		((dma_addr + size - PHYS_OFFSET) >= SZ_64M);
 }
 
-/*
- * We override these so we properly do dmabounce otherwise drivers
- * are able to set the dma_mask to 0xffffffff and we can no longer
- * trap bounces. :(
- *
- * We just return true on everyhing except for < 64MB in which case
- * we will fail miseralby and die since we can't handle that case.
- */
-int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
-{
-	dev_dbg(&dev->dev, "%s: %llx\n", __func__, mask);
-	if (mask >= PHYS_OFFSET + SZ_64M - 1)
-		return 0;
-
-	return -EIO;
-}
-
-int
-pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
-{
-	dev_dbg(&dev->dev, "%s: %llx\n", __func__, mask);
-	if (mask >= PHYS_OFFSET + SZ_64M - 1)
-		return 0;
-
-	return -EIO;
-}
-
 int __init it8152_pci_setup(int nr, struct pci_sys_data *sys)
 {
 	it8152_io.start = IT8152_IO_BASE + 0x12000;
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index bd36c778c819..9dff07c80ddb 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -32,6 +32,12 @@
 
 #include <asm/hardware/locomo.h>
 
+/* LoCoMo Interrupts */
+#define IRQ_LOCOMO_KEY		(0)
+#define IRQ_LOCOMO_GPIO		(1)
+#define IRQ_LOCOMO_LT		(2)
+#define IRQ_LOCOMO_SPI		(3)
+
 /* M62332 output channel selection */
 #define M62332_EVR_CH	1	/* M62332 volume channel number  */
 				/*   0 : CH.1 , 1 : CH. 2        */
@@ -58,6 +64,7 @@ struct locomo {
 	struct device *dev;
 	unsigned long phys;
 	unsigned int irq;
+	int irq_base;
 	spinlock_t lock;
 	void __iomem *base;
 #ifdef CONFIG_PM
@@ -81,9 +88,7 @@ struct locomo_dev_info {
 static struct locomo_dev_info locomo_devices[] = {
 	{
 		.devid 		= LOCOMO_DEVID_KEYBOARD,
-		.irq = {
-			IRQ_LOCOMO_KEY,
-		},
+		.irq		= { IRQ_LOCOMO_KEY },
 		.name		= "locomo-keyboard",
 		.offset		= LOCOMO_KEYBOARD,
 		.length		= 16,
@@ -133,53 +138,20 @@ static struct locomo_dev_info locomo_devices[] = {
 	},
 };
 
-
-/** LoCoMo interrupt handling stuff.
- * NOTE: LoCoMo has a 1 to many mapping on all of its IRQs.
- * that is, there is only one real hardware interrupt
- * we determine which interrupt it is by reading some IO memory.
- * We have two levels of expansion, first in the handler for the
- * hardware interrupt we generate an interrupt
- * IRQ_LOCOMO_*_BASE and those handlers generate more interrupts
- *
- * hardware irq reads LOCOMO_ICR & 0x0f00
- *   IRQ_LOCOMO_KEY_BASE
- *   IRQ_LOCOMO_GPIO_BASE
- *   IRQ_LOCOMO_LT_BASE
- *   IRQ_LOCOMO_SPI_BASE
- * IRQ_LOCOMO_KEY_BASE reads LOCOMO_KIC & 0x0001
- *   IRQ_LOCOMO_KEY
- * IRQ_LOCOMO_GPIO_BASE reads LOCOMO_GIR & LOCOMO_GPD & 0xffff
- *   IRQ_LOCOMO_GPIO[0-15]
- * IRQ_LOCOMO_LT_BASE reads LOCOMO_LTINT & 0x0001
- *   IRQ_LOCOMO_LT
- * IRQ_LOCOMO_SPI_BASE reads LOCOMO_SPIIR & 0x000F
- *   IRQ_LOCOMO_SPI_RFR
- *   IRQ_LOCOMO_SPI_RFW
- *   IRQ_LOCOMO_SPI_OVRN
- *   IRQ_LOCOMO_SPI_TEND
- */
-
-#define LOCOMO_IRQ_START	(IRQ_LOCOMO_KEY_BASE)
-#define LOCOMO_IRQ_KEY_START	(IRQ_LOCOMO_KEY)
-#define	LOCOMO_IRQ_GPIO_START	(IRQ_LOCOMO_GPIO0)
-#define	LOCOMO_IRQ_LT_START	(IRQ_LOCOMO_LT)
-#define	LOCOMO_IRQ_SPI_START	(IRQ_LOCOMO_SPI_RFR)
-
 static void locomo_handler(unsigned int irq, struct irq_desc *desc)
 {
+	struct locomo *lchip = get_irq_chip_data(irq);
 	int req, i;
-	void __iomem *mapbase = get_irq_chip_data(irq);
 
 	/* Acknowledge the parent IRQ */
 	desc->chip->ack(irq);
 
 	/* check why this interrupt was generated */
-	req = locomo_readl(mapbase + LOCOMO_ICR) & 0x0f00;
+	req = locomo_readl(lchip->base + LOCOMO_ICR) & 0x0f00;
 
 	if (req) {
 		/* generate the next interrupt(s) */
-		irq = LOCOMO_IRQ_START;
+		irq = lchip->irq_base;
 		for (i = 0; i <= 3; i++, irq++) {
 			if (req & (0x0100 << i)) {
 				generic_handle_irq(irq);
@@ -195,20 +167,20 @@ static void locomo_ack_irq(unsigned int irq)
 
 static void locomo_mask_irq(unsigned int irq)
 {
-	void __iomem *mapbase = get_irq_chip_data(irq);
+	struct locomo *lchip = get_irq_chip_data(irq);
 	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_ICR);
-	r &= ~(0x0010 << (irq - LOCOMO_IRQ_START));
-	locomo_writel(r, mapbase + LOCOMO_ICR);
+	r = locomo_readl(lchip->base + LOCOMO_ICR);
+	r &= ~(0x0010 << (irq - lchip->irq_base));
+	locomo_writel(r, lchip->base + LOCOMO_ICR);
 }
 
 static void locomo_unmask_irq(unsigned int irq)
 {
-	void __iomem *mapbase = get_irq_chip_data(irq);
+	struct locomo *lchip = get_irq_chip_data(irq);
 	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_ICR);
-	r |= (0x0010 << (irq - LOCOMO_IRQ_START));
-	locomo_writel(r, mapbase + LOCOMO_ICR);
+	r = locomo_readl(lchip->base + LOCOMO_ICR);
+	r |= (0x0010 << (irq - lchip->irq_base));
+	locomo_writel(r, lchip->base + LOCOMO_ICR);
 }
 
 static struct irq_chip locomo_chip = {
@@ -218,297 +190,22 @@ static struct irq_chip locomo_chip = {
 	.unmask	= locomo_unmask_irq,
 };
 
-static void locomo_key_handler(unsigned int irq, struct irq_desc *desc)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-
-	if (locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC) & 0x0001) {
-		generic_handle_irq(LOCOMO_IRQ_KEY_START);
-	}
-}
-
-static void locomo_key_ack_irq(unsigned int irq)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
-	r &= ~(0x0100 << (irq - LOCOMO_IRQ_KEY_START));
-	locomo_writel(r, mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
-}
-
-static void locomo_key_mask_irq(unsigned int irq)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
-	r &= ~(0x0010 << (irq - LOCOMO_IRQ_KEY_START));
-	locomo_writel(r, mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
-}
-
-static void locomo_key_unmask_irq(unsigned int irq)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
-	r |= (0x0010 << (irq - LOCOMO_IRQ_KEY_START));
-	locomo_writel(r, mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
-}
-
-static struct irq_chip locomo_key_chip = {
-	.name	= "LOCOMO-key",
-	.ack	= locomo_key_ack_irq,
-	.mask	= locomo_key_mask_irq,
-	.unmask	= locomo_key_unmask_irq,
-};
-
-static void locomo_gpio_handler(unsigned int irq, struct irq_desc *desc)
-{
-	int req, i;
-	void __iomem *mapbase = get_irq_chip_data(irq);
-
-	req = 	locomo_readl(mapbase + LOCOMO_GIR) &
-		locomo_readl(mapbase + LOCOMO_GPD) &
-		0xffff;
-
-	if (req) {
-		irq = LOCOMO_IRQ_GPIO_START;
-		for (i = 0; i <= 15; i++, irq++) {
-			if (req & (0x0001 << i)) {
-				generic_handle_irq(irq);
-			}
-		}
-	}
-}
-
-static void locomo_gpio_ack_irq(unsigned int irq)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_GWE);
-	r |= (0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
-	locomo_writel(r, mapbase + LOCOMO_GWE);
-
-	r = locomo_readl(mapbase + LOCOMO_GIS);
-	r &= ~(0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
-	locomo_writel(r, mapbase + LOCOMO_GIS);
-
-	r = locomo_readl(mapbase + LOCOMO_GWE);
-	r &= ~(0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
-	locomo_writel(r, mapbase + LOCOMO_GWE);
-}
-
-static void locomo_gpio_mask_irq(unsigned int irq)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_GIE);
-	r &= ~(0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
-	locomo_writel(r, mapbase + LOCOMO_GIE);
-}
-
-static void locomo_gpio_unmask_irq(unsigned int irq)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_GIE);
-	r |= (0x0001 << (irq - LOCOMO_IRQ_GPIO_START));
-	locomo_writel(r, mapbase + LOCOMO_GIE);
-}
-
-static int GPIO_IRQ_rising_edge;
-static int GPIO_IRQ_falling_edge;
-
-static int locomo_gpio_type(unsigned int irq, unsigned int type)
-{
-	unsigned int mask;
-	void __iomem *mapbase = get_irq_chip_data(irq);
-
-	mask = 1 << (irq - LOCOMO_IRQ_GPIO_START);
-
-	if (type == IRQ_TYPE_PROBE) {
-		if ((GPIO_IRQ_rising_edge | GPIO_IRQ_falling_edge) & mask)
-			return 0;
-		type = IRQ_TYPE_EDGE_RISING | IRQ_TYPE_EDGE_FALLING;
-	}
-
-	if (type & IRQ_TYPE_EDGE_RISING)
-		GPIO_IRQ_rising_edge |= mask;
-	else
-		GPIO_IRQ_rising_edge &= ~mask;
-	if (type & IRQ_TYPE_EDGE_FALLING)
-		GPIO_IRQ_falling_edge |= mask;
-	else
-		GPIO_IRQ_falling_edge &= ~mask;
-	locomo_writel(GPIO_IRQ_rising_edge, mapbase + LOCOMO_GRIE);
-	locomo_writel(GPIO_IRQ_falling_edge, mapbase + LOCOMO_GFIE);
-
-	return 0;
-}
-
-static struct irq_chip locomo_gpio_chip = {
-	.name	  = "LOCOMO-gpio",
-	.ack	  = locomo_gpio_ack_irq,
-	.mask	  = locomo_gpio_mask_irq,
-	.unmask	  = locomo_gpio_unmask_irq,
-	.set_type = locomo_gpio_type,
-};
-
-static void locomo_lt_handler(unsigned int irq, struct irq_desc *desc)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-
-	if (locomo_readl(mapbase + LOCOMO_LTINT) & 0x0001) {
-		generic_handle_irq(LOCOMO_IRQ_LT_START);
-	}
-}
-
-static void locomo_lt_ack_irq(unsigned int irq)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_LTINT);
-	r &= ~(0x0100 << (irq - LOCOMO_IRQ_LT_START));
-	locomo_writel(r, mapbase + LOCOMO_LTINT);
-}
-
-static void locomo_lt_mask_irq(unsigned int irq)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_LTINT);
-	r &= ~(0x0010 << (irq - LOCOMO_IRQ_LT_START));
-	locomo_writel(r, mapbase + LOCOMO_LTINT);
-}
-
-static void locomo_lt_unmask_irq(unsigned int irq)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_LTINT);
-	r |= (0x0010 << (irq - LOCOMO_IRQ_LT_START));
-	locomo_writel(r, mapbase + LOCOMO_LTINT);
-}
-
-static struct irq_chip locomo_lt_chip = {
-	.name	= "LOCOMO-lt",
-	.ack	= locomo_lt_ack_irq,
-	.mask	= locomo_lt_mask_irq,
-	.unmask	= locomo_lt_unmask_irq,
-};
-
-static void locomo_spi_handler(unsigned int irq, struct irq_desc *desc)
-{
-	int req, i;
-	void __iomem *mapbase = get_irq_chip_data(irq);
-
-	req = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIR) & 0x000F;
-	if (req) {
-		irq = LOCOMO_IRQ_SPI_START;
-
-		for (i = 0; i <= 3; i++, irq++) {
-			if (req & (0x0001 << i)) {
-				generic_handle_irq(irq);
-			}
-		}
-	}
-}
-
-static void locomo_spi_ack_irq(unsigned int irq)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIWE);
-	r |= (0x0001 << (irq - LOCOMO_IRQ_SPI_START));
-	locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIWE);
-
-	r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIS);
-	r &= ~(0x0001 << (irq - LOCOMO_IRQ_SPI_START));
-	locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIIS);
-
-	r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIWE);
-	r &= ~(0x0001 << (irq - LOCOMO_IRQ_SPI_START));
-	locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIWE);
-}
-
-static void locomo_spi_mask_irq(unsigned int irq)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIE);
-	r &= ~(0x0001 << (irq - LOCOMO_IRQ_SPI_START));
-	locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIIE);
-}
-
-static void locomo_spi_unmask_irq(unsigned int irq)
-{
-	void __iomem *mapbase = get_irq_chip_data(irq);
-	unsigned int r;
-	r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIE);
-	r |= (0x0001 << (irq - LOCOMO_IRQ_SPI_START));
-	locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIIE);
-}
-
-static struct irq_chip locomo_spi_chip = {
-	.name	= "LOCOMO-spi",
-	.ack	= locomo_spi_ack_irq,
-	.mask	= locomo_spi_mask_irq,
-	.unmask	= locomo_spi_unmask_irq,
-};
-
 static void locomo_setup_irq(struct locomo *lchip)
 {
-	int irq;
-	void __iomem *irqbase = lchip->base;
+	int irq = lchip->irq_base;
 
 	/*
 	 * Install handler for IRQ_LOCOMO_HW.
 	 */
 	set_irq_type(lchip->irq, IRQ_TYPE_EDGE_FALLING);
-	set_irq_chip_data(lchip->irq, irqbase);
+	set_irq_chip_data(lchip->irq, lchip);
 	set_irq_chained_handler(lchip->irq, locomo_handler);
 
-	/* Install handlers for IRQ_LOCOMO_*_BASE */
-	set_irq_chip(IRQ_LOCOMO_KEY_BASE, &locomo_chip);
-	set_irq_chip_data(IRQ_LOCOMO_KEY_BASE, irqbase);
-	set_irq_chained_handler(IRQ_LOCOMO_KEY_BASE, locomo_key_handler);
-
-	set_irq_chip(IRQ_LOCOMO_GPIO_BASE, &locomo_chip);
-	set_irq_chip_data(IRQ_LOCOMO_GPIO_BASE, irqbase);
-	set_irq_chained_handler(IRQ_LOCOMO_GPIO_BASE, locomo_gpio_handler);
-
-	set_irq_chip(IRQ_LOCOMO_LT_BASE, &locomo_chip);
-	set_irq_chip_data(IRQ_LOCOMO_LT_BASE, irqbase);
-	set_irq_chained_handler(IRQ_LOCOMO_LT_BASE, locomo_lt_handler);
-
-	set_irq_chip(IRQ_LOCOMO_SPI_BASE, &locomo_chip);
-	set_irq_chip_data(IRQ_LOCOMO_SPI_BASE, irqbase);
-	set_irq_chained_handler(IRQ_LOCOMO_SPI_BASE, locomo_spi_handler);
-
-	/* install handlers for IRQ_LOCOMO_KEY_BASE generated interrupts */
-	set_irq_chip(LOCOMO_IRQ_KEY_START, &locomo_key_chip);
-	set_irq_chip_data(LOCOMO_IRQ_KEY_START, irqbase);
-	set_irq_handler(LOCOMO_IRQ_KEY_START, handle_edge_irq);
-	set_irq_flags(LOCOMO_IRQ_KEY_START, IRQF_VALID | IRQF_PROBE);
-
-	/* install handlers for IRQ_LOCOMO_GPIO_BASE generated interrupts */
-	for (irq = LOCOMO_IRQ_GPIO_START; irq < LOCOMO_IRQ_GPIO_START + 16; irq++) {
-		set_irq_chip(irq, &locomo_gpio_chip);
-		set_irq_chip_data(irq, irqbase);
-		set_irq_handler(irq, handle_edge_irq);
-		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
-	}
-
-	/* install handlers for IRQ_LOCOMO_LT_BASE generated interrupts */
-	set_irq_chip(LOCOMO_IRQ_LT_START, &locomo_lt_chip);
-	set_irq_chip_data(LOCOMO_IRQ_LT_START, irqbase);
-	set_irq_handler(LOCOMO_IRQ_LT_START, handle_edge_irq);
-	set_irq_flags(LOCOMO_IRQ_LT_START, IRQF_VALID | IRQF_PROBE);
-
-	/* install handlers for IRQ_LOCOMO_SPI_BASE generated interrupts */
-	for (irq = LOCOMO_IRQ_SPI_START; irq < LOCOMO_IRQ_SPI_START + 4; irq++) {
-		set_irq_chip(irq, &locomo_spi_chip);
-		set_irq_chip_data(irq, irqbase);
-		set_irq_handler(irq, handle_edge_irq);
+	/* Install handlers for IRQ_LOCOMO_* */
+	for ( ; irq <= lchip->irq_base + 3; irq++) {
+		set_irq_chip(irq, &locomo_chip);
+		set_irq_chip_data(irq, lchip);
+		set_irq_handler(irq, handle_level_irq);
 		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
 	}
 }
@@ -555,7 +252,8 @@ locomo_init_one_child(struct locomo *lchip, struct locomo_dev_info *info)
 		dev->mapbase = 0;
 	dev->length = info->length;
 
-	memmove(dev->irq, info->irq, sizeof(dev->irq));
+	dev->irq[0] = (lchip->irq_base == NO_IRQ) ?
+			NO_IRQ : lchip->irq_base + info->irq[0];
 
 	ret = device_register(&dev->dev);
 	if (ret) {
@@ -592,7 +290,7 @@ static int locomo_suspend(struct platform_device *dev, pm_message_t state)
 	save->LCM_GPO     = locomo_readl(lchip->base + LOCOMO_GPO);	/* GPIO */
 	locomo_writel(0x00, lchip->base + LOCOMO_GPO);
 	save->LCM_SPICT   = locomo_readl(lchip->base + LOCOMO_SPI + LOCOMO_SPICT);	/* SPI */
-	locomo_writel(0x40, lchip->base + LOCOMO_SPICT);
+	locomo_writel(0x40, lchip->base + LOCOMO_SPI + LOCOMO_SPICT);
 	save->LCM_GPE     = locomo_readl(lchip->base + LOCOMO_GPE);	/* GPIO */
 	locomo_writel(0x00, lchip->base + LOCOMO_GPE);
 	save->LCM_ASD     = locomo_readl(lchip->base + LOCOMO_ASD);	/* ADSTART */
@@ -672,6 +370,7 @@ static int locomo_resume(struct platform_device *dev)
 static int
 __locomo_probe(struct device *me, struct resource *mem, int irq)
 {
+	struct locomo_platform_data *pdata = me->platform_data;
 	struct locomo *lchip;
 	unsigned long r;
 	int i, ret = -ENODEV;
@@ -687,6 +386,7 @@ __locomo_probe(struct device *me, struct resource *mem, int irq)
 
 	lchip->phys = mem->start;
 	lchip->irq = irq;
+	lchip->irq_base = (pdata) ? pdata->irq_base : NO_IRQ;
 
 	/*
 	 * Map the whole region.  This also maps the
@@ -718,7 +418,7 @@ __locomo_probe(struct device *me, struct resource *mem, int irq)
 	/* Longtime timer */
 	locomo_writel(0, lchip->base + LOCOMO_LTINT);
 	/* SPI */
-	locomo_writel(0, lchip->base + LOCOMO_SPIIE);
+	locomo_writel(0, lchip->base + LOCOMO_SPI + LOCOMO_SPIIE);
 
 	locomo_writel(6 + 8 + 320 + 30 - 10, lchip->base + LOCOMO_ASD);
 	r = locomo_readl(lchip->base + LOCOMO_ASD);
@@ -753,7 +453,7 @@ __locomo_probe(struct device *me, struct resource *mem, int irq)
 	 * The interrupt controller must be initialised before any
 	 * other device to ensure that the interrupts are available.
 	 */
-	if (lchip->irq != NO_IRQ)
+	if (lchip->irq != NO_IRQ && lchip->irq_base != NO_IRQ)
 		locomo_setup_irq(lchip);
 
 	for (i = 0; i < ARRAY_SIZE(locomo_devices); i++)
@@ -1007,7 +707,7 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
 	udelay(DAC_SCL_HIGH_HOLD_TIME);	/* 4.7 usec */
 	if (locomo_readl(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) {	/* High is error */
 		printk(KERN_WARNING "locomo: m62332_senddata Error 1\n");
-		return;
+		goto out;
 	}
 
 	/* Send Sub address (LSB is channel select) */
@@ -1035,7 +735,7 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
 	udelay(DAC_SCL_HIGH_HOLD_TIME);	/* 4.7 usec */
 	if (locomo_readl(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) {	/* High is error */
 		printk(KERN_WARNING "locomo: m62332_senddata Error 2\n");
-		return;
+		goto out;
 	}
 
 	/* Send DAC data */
@@ -1060,9 +760,9 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
 	udelay(DAC_SCL_HIGH_HOLD_TIME);	/* 4.7 usec */
 	if (locomo_readl(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) {	/* High is error */
 		printk(KERN_WARNING "locomo: m62332_senddata Error 3\n");
-		return;
 	}
 
+out:
 	/* stop */
 	r = locomo_readl(mapbase + LOCOMO_DAC);
 	r &=  ~(LOCOMO_DAC_SCLOEB);
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index 8ba7044c554d..a52a27c1d9be 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -35,6 +35,58 @@
 
 #include <asm/hardware/sa1111.h>
 
+/* SA1111 IRQs */
+#define IRQ_GPAIN0		(0)
+#define IRQ_GPAIN1		(1)
+#define IRQ_GPAIN2		(2)
+#define IRQ_GPAIN3		(3)
+#define IRQ_GPBIN0		(4)
+#define IRQ_GPBIN1		(5)
+#define IRQ_GPBIN2		(6)
+#define IRQ_GPBIN3		(7)
+#define IRQ_GPBIN4		(8)
+#define IRQ_GPBIN5		(9)
+#define IRQ_GPCIN0		(10)
+#define IRQ_GPCIN1		(11)
+#define IRQ_GPCIN2		(12)
+#define IRQ_GPCIN3		(13)
+#define IRQ_GPCIN4		(14)
+#define IRQ_GPCIN5		(15)
+#define IRQ_GPCIN6		(16)
+#define IRQ_GPCIN7		(17)
+#define IRQ_MSTXINT		(18)
+#define IRQ_MSRXINT		(19)
+#define IRQ_MSSTOPERRINT	(20)
+#define IRQ_TPTXINT		(21)
+#define IRQ_TPRXINT		(22)
+#define IRQ_TPSTOPERRINT	(23)
+#define SSPXMTINT		(24)
+#define SSPRCVINT		(25)
+#define SSPROR			(26)
+#define AUDXMTDMADONEA		(32)
+#define AUDRCVDMADONEA		(33)
+#define AUDXMTDMADONEB		(34)
+#define AUDRCVDMADONEB		(35)
+#define AUDTFSR			(36)
+#define AUDRFSR			(37)
+#define AUDTUR			(38)
+#define AUDROR			(39)
+#define AUDDTS			(40)
+#define AUDRDD			(41)
+#define AUDSTO			(42)
+#define IRQ_USBPWR		(43)
+#define IRQ_HCIM		(44)
+#define IRQ_HCIBUFFACC		(45)
+#define IRQ_HCIRMTWKP		(46)
+#define IRQ_NHCIMFCIR		(47)
+#define IRQ_USB_PORT_RESUME	(48)
+#define IRQ_S0_READY_NINT	(49)
+#define IRQ_S1_READY_NINT	(50)
+#define IRQ_S0_CD_VALID		(51)
+#define IRQ_S1_CD_VALID		(52)
+#define IRQ_S0_BVD1_STSCHG	(53)
+#define IRQ_S1_BVD1_STSCHG	(54)
+
 extern void __init sa1110_mb_enable(void);
 
 /*
@@ -49,6 +101,7 @@ struct sa1111 {
 	struct clk	*clk;
 	unsigned long	phys;
 	int		irq;
+	int		irq_base;	/* base for cascaded on-chip IRQs */
 	spinlock_t	lock;
 	void __iomem	*base;
 #ifdef CONFIG_PM
@@ -152,36 +205,37 @@ static void
 sa1111_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned int stat0, stat1, i;
-	void __iomem *base = get_irq_data(irq);
+	struct sa1111 *sachip = get_irq_data(irq);
+	void __iomem *mapbase = sachip->base + SA1111_INTC;
 
-	stat0 = sa1111_readl(base + SA1111_INTSTATCLR0);
-	stat1 = sa1111_readl(base + SA1111_INTSTATCLR1);
+	stat0 = sa1111_readl(mapbase + SA1111_INTSTATCLR0);
+	stat1 = sa1111_readl(mapbase + SA1111_INTSTATCLR1);
 
-	sa1111_writel(stat0, base + SA1111_INTSTATCLR0);
+	sa1111_writel(stat0, mapbase + SA1111_INTSTATCLR0);
 
 	desc->chip->ack(irq);
 
-	sa1111_writel(stat1, base + SA1111_INTSTATCLR1);
+	sa1111_writel(stat1, mapbase + SA1111_INTSTATCLR1);
 
 	if (stat0 == 0 && stat1 == 0) {
 		do_bad_IRQ(irq, desc);
 		return;
 	}
 
-	for (i = IRQ_SA1111_START; stat0; i++, stat0 >>= 1)
+	for (i = 0; stat0; i++, stat0 >>= 1)
 		if (stat0 & 1)
-			handle_edge_irq(i, irq_desc + i);
+			generic_handle_irq(i + sachip->irq_base);
 
-	for (i = IRQ_SA1111_START + 32; stat1; i++, stat1 >>= 1)
+	for (i = 32; stat1; i++, stat1 >>= 1)
 		if (stat1 & 1)
-			handle_edge_irq(i, irq_desc + i);
+			generic_handle_irq(i + sachip->irq_base);
 
 	/* For level-based interrupts */
 	desc->chip->unmask(irq);
 }
 
-#define SA1111_IRQMASK_LO(x)	(1 << (x - IRQ_SA1111_START))
-#define SA1111_IRQMASK_HI(x)	(1 << (x - IRQ_SA1111_START - 32))
+#define SA1111_IRQMASK_LO(x)	(1 << (x - sachip->irq_base))
+#define SA1111_IRQMASK_HI(x)	(1 << (x - sachip->irq_base - 32))
 
 static void sa1111_ack_irq(unsigned int irq)
 {
@@ -189,7 +243,8 @@ static void sa1111_ack_irq(unsigned int irq)
 
 static void sa1111_mask_lowirq(unsigned int irq)
 {
-	void __iomem *mapbase = get_irq_chip_data(irq);
+	struct sa1111 *sachip = get_irq_chip_data(irq);
+	void __iomem *mapbase = sachip->base + SA1111_INTC;
 	unsigned long ie0;
 
 	ie0 = sa1111_readl(mapbase + SA1111_INTEN0);
@@ -199,7 +254,8 @@ static void sa1111_mask_lowirq(unsigned int irq)
 
 static void sa1111_unmask_lowirq(unsigned int irq)
 {
-	void __iomem *mapbase = get_irq_chip_data(irq);
+	struct sa1111 *sachip = get_irq_chip_data(irq);
+	void __iomem *mapbase = sachip->base + SA1111_INTC;
 	unsigned long ie0;
 
 	ie0 = sa1111_readl(mapbase + SA1111_INTEN0);
@@ -216,8 +272,9 @@ static void sa1111_unmask_lowirq(unsigned int irq)
  */
 static int sa1111_retrigger_lowirq(unsigned int irq)
 {
+	struct sa1111 *sachip = get_irq_chip_data(irq);
+	void __iomem *mapbase = sachip->base + SA1111_INTC;
 	unsigned int mask = SA1111_IRQMASK_LO(irq);
-	void __iomem *mapbase = get_irq_chip_data(irq);
 	unsigned long ip0;
 	int i;
 
@@ -237,8 +294,9 @@ static int sa1111_retrigger_lowirq(unsigned int irq)
 
 static int sa1111_type_lowirq(unsigned int irq, unsigned int flags)
 {
+	struct sa1111 *sachip = get_irq_chip_data(irq);
+	void __iomem *mapbase = sachip->base + SA1111_INTC;
 	unsigned int mask = SA1111_IRQMASK_LO(irq);
-	void __iomem *mapbase = get_irq_chip_data(irq);
 	unsigned long ip0;
 
 	if (flags == IRQ_TYPE_PROBE)
@@ -260,8 +318,9 @@ static int sa1111_type_lowirq(unsigned int irq, unsigned int flags)
 
 static int sa1111_wake_lowirq(unsigned int irq, unsigned int on)
 {
+	struct sa1111 *sachip = get_irq_chip_data(irq);
+	void __iomem *mapbase = sachip->base + SA1111_INTC;
 	unsigned int mask = SA1111_IRQMASK_LO(irq);
-	void __iomem *mapbase = get_irq_chip_data(irq);
 	unsigned long we0;
 
 	we0 = sa1111_readl(mapbase + SA1111_WAKEEN0);
@@ -286,7 +345,8 @@ static struct irq_chip sa1111_low_chip = {
 
 static void sa1111_mask_highirq(unsigned int irq)
 {
-	void __iomem *mapbase = get_irq_chip_data(irq);
+	struct sa1111 *sachip = get_irq_chip_data(irq);
+	void __iomem *mapbase = sachip->base + SA1111_INTC;
 	unsigned long ie1;
 
 	ie1 = sa1111_readl(mapbase + SA1111_INTEN1);
@@ -296,7 +356,8 @@ static void sa1111_mask_highirq(unsigned int irq)
 
 static void sa1111_unmask_highirq(unsigned int irq)
 {
-	void __iomem *mapbase = get_irq_chip_data(irq);
+	struct sa1111 *sachip = get_irq_chip_data(irq);
+	void __iomem *mapbase = sachip->base + SA1111_INTC;
 	unsigned long ie1;
 
 	ie1 = sa1111_readl(mapbase + SA1111_INTEN1);
@@ -313,8 +374,9 @@ static void sa1111_unmask_highirq(unsigned int irq)
  */
 static int sa1111_retrigger_highirq(unsigned int irq)
 {
+	struct sa1111 *sachip = get_irq_chip_data(irq);
+	void __iomem *mapbase = sachip->base + SA1111_INTC;
 	unsigned int mask = SA1111_IRQMASK_HI(irq);
-	void __iomem *mapbase = get_irq_chip_data(irq);
 	unsigned long ip1;
 	int i;
 
@@ -334,8 +396,9 @@ static int sa1111_retrigger_highirq(unsigned int irq)
 
 static int sa1111_type_highirq(unsigned int irq, unsigned int flags)
 {
+	struct sa1111 *sachip = get_irq_chip_data(irq);
+	void __iomem *mapbase = sachip->base + SA1111_INTC;
 	unsigned int mask = SA1111_IRQMASK_HI(irq);
-	void __iomem *mapbase = get_irq_chip_data(irq);
 	unsigned long ip1;
 
 	if (flags == IRQ_TYPE_PROBE)
@@ -357,8 +420,9 @@ static int sa1111_type_highirq(unsigned int irq, unsigned int flags)
 
 static int sa1111_wake_highirq(unsigned int irq, unsigned int on)
 {
+	struct sa1111 *sachip = get_irq_chip_data(irq);
+	void __iomem *mapbase = sachip->base + SA1111_INTC;
 	unsigned int mask = SA1111_IRQMASK_HI(irq);
-	void __iomem *mapbase = get_irq_chip_data(irq);
 	unsigned long we1;
 
 	we1 = sa1111_readl(mapbase + SA1111_WAKEEN1);
@@ -412,14 +476,14 @@ static void sa1111_setup_irq(struct sa1111 *sachip)
 
 	for (irq = IRQ_GPAIN0; irq <= SSPROR; irq++) {
 		set_irq_chip(irq, &sa1111_low_chip);
-		set_irq_chip_data(irq, irqbase);
+		set_irq_chip_data(irq, sachip);
 		set_irq_handler(irq, handle_edge_irq);
 		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
 	}
 
 	for (irq = AUDXMTDMADONEA; irq <= IRQ_S1_BVD1_STSCHG; irq++) {
 		set_irq_chip(irq, &sa1111_high_chip);
-		set_irq_chip_data(irq, irqbase);
+		set_irq_chip_data(irq, sachip);
 		set_irq_handler(irq, handle_edge_irq);
 		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
 	}
@@ -428,7 +492,7 @@ static void sa1111_setup_irq(struct sa1111 *sachip)
 	 * Register SA1111 interrupt
 	 */
 	set_irq_type(sachip->irq, IRQ_TYPE_EDGE_RISING);
-	set_irq_data(sachip->irq, irqbase);
+	set_irq_data(sachip->irq, sachip);
 	set_irq_chained_handler(sachip->irq, sa1111_irq_handler);
 }
 
diff --git a/arch/arm/common/scoop.c b/arch/arm/common/scoop.c
index 37bda5f3dde3..9012004321dd 100644
--- a/arch/arm/common/scoop.c
+++ b/arch/arm/common/scoop.c
@@ -140,6 +140,7 @@ EXPORT_SYMBOL(reset_scoop);
 EXPORT_SYMBOL(read_scoop_reg);
 EXPORT_SYMBOL(write_scoop_reg);
 
+#ifdef CONFIG_PM
 static void check_scoop_reg(struct scoop_dev *sdev)
 {
 	unsigned short mcr;
@@ -149,7 +150,6 @@ static void check_scoop_reg(struct scoop_dev *sdev)
 		iowrite16(0x0101, sdev->base + SCOOP_MCR);
 }
 
-#ifdef CONFIG_PM
 static int scoop_suspend(struct platform_device *dev, pm_message_t state)
 {
 	struct scoop_dev *sdev = platform_get_drvdata(dev);
diff --git a/arch/arm/configs/ap4evb_defconfig b/arch/arm/configs/ap4evb_defconfig
new file mode 100644
index 000000000000..e14229be7676
--- /dev/null
+++ b/arch/arm/configs/ap4evb_defconfig
@@ -0,0 +1,779 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.33-rc7
+# Mon Feb  8 12:25:36 2010
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=16
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+# CONFIG_RELAY is not set
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_IPC_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+CONFIG_RD_LZO=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+# CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+# CONFIG_MODULES is not set
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+CONFIG_DEFAULT_NOOP=y
+CONFIG_DEFAULT_IOSCHED="noop"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+CONFIG_INLINE_SPIN_UNLOCK=y
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+CONFIG_INLINE_READ_UNLOCK=y
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+CONFIG_INLINE_WRITE_UNLOCK=y
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+# CONFIG_FREEZER is not set
+
+#
+# System Type
+#
+CONFIG_MMU=y
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_NOMADIK is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MSM is not set
+CONFIG_ARCH_SHMOBILE=y
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
+
+#
+# SH-Mobile System Type
+#
+# CONFIG_ARCH_SH7367 is not set
+# CONFIG_ARCH_SH7377 is not set
+CONFIG_ARCH_SH7372=y
+
+#
+# SH-Mobile Board Type
+#
+CONFIG_MACH_AP4EVB=y
+
+#
+# SH-Mobile System Configuration
+#
+
+#
+# Memory configuration
+#
+CONFIG_MEMORY_START=0x40000000
+CONFIG_MEMORY_SIZE=0x10000000
+
+#
+# Timer and clock configuration
+#
+CONFIG_SH_TIMER_CMT=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_V7=y
+CONFIG_CPU_32v7=y
+CONFIG_CPU_ABRT_EV7=y
+CONFIG_CPU_PABRT_V7=y
+CONFIG_CPU_CACHE_V7=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V7=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_ARM_THUMBEE is not set
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_HAS_TLS_REG=y
+CONFIG_ARM_L1_CACHE_SHIFT=5
+# CONFIG_ARM_ERRATA_430973 is not set
+# CONFIG_ARM_ERRATA_458693 is not set
+# CONFIG_ARM_ERRATA_460075 is not set
+CONFIG_COMMON_CLKDEV=y
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_HZ=100
+# CONFIG_THUMB2_KERNEL is not set
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="console=ttySC0,115200 earlyprintk=sh-sci.0,115200"
+# CONFIG_XIP_KERNEL is not set
+CONFIG_KEXEC=y
+CONFIG_ATAGS_PROC=y
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_IDLE is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+# CONFIG_SUSPEND is not set
+# CONFIG_APM_EMULATION is not set
+# CONFIG_PM_RUNTIME is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+# CONFIG_NET is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+# CONFIG_FIRMWARE_IN_KERNEL is not set
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+CONFIG_MTD_CONCAT=y
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_AMDSTD is not set
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+# CONFIG_MTD_PHYSMAP_COMPAT is not set
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+# CONFIG_BLK_DEV is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_NR_UARTS=8
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+# CONFIG_FSNOTIFY is not set
+# CONFIG_DNOTIFY is not set
+# CONFIG_INOTIFY is not set
+# CONFIG_INOTIFY_USER is not set
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+# CONFIG_MISC_FILESYSTEMS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_NLS is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+# CONFIG_DETECT_SOFTLOCKUP is not set
+# CONFIG_DETECT_HUNG_TASK is not set
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
+# CONFIG_DEBUG_USER is not set
+# CONFIG_DEBUG_ERRORS is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_DEBUG_LL is not set
+# CONFIG_OC_ETM is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+# CONFIG_CRYPTO is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_GENERIC_FIND_LAST_BIT=y
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+# CONFIG_CRC32 is not set
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_BZIP2=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_LZO=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/cm_t35_defconfig b/arch/arm/configs/cm_t35_defconfig
index 893cd267e075..032b49bad91f 100644
--- a/arch/arm/configs/cm_t35_defconfig
+++ b/arch/arm/configs/cm_t35_defconfig
@@ -358,7 +358,7 @@ CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_APM_EMULATION is not set
-# CONFIG_PM_RUNTIME is not set
+CONFIG_PM_RUNTIME=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
diff --git a/arch/arm/configs/g3evm_defconfig b/arch/arm/configs/g3evm_defconfig
new file mode 100644
index 000000000000..3c19031961db
--- /dev/null
+++ b/arch/arm/configs/g3evm_defconfig
@@ -0,0 +1,774 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.33-rc7
+# Mon Feb  8 12:20:01 2010
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=16
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+# CONFIG_RELAY is not set
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_IPC_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+CONFIG_RD_LZO=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+# CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+# CONFIG_MODULES is not set
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+CONFIG_DEFAULT_NOOP=y
+CONFIG_DEFAULT_IOSCHED="noop"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+CONFIG_INLINE_SPIN_UNLOCK=y
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+CONFIG_INLINE_READ_UNLOCK=y
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+CONFIG_INLINE_WRITE_UNLOCK=y
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+# CONFIG_FREEZER is not set
+
+#
+# System Type
+#
+CONFIG_MMU=y
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_NOMADIK is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MSM is not set
+CONFIG_ARCH_SHMOBILE=y
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
+
+#
+# SH-Mobile System Type
+#
+CONFIG_ARCH_SH7367=y
+# CONFIG_ARCH_SH7377 is not set
+# CONFIG_ARCH_SH7372 is not set
+
+#
+# SH-Mobile Board Type
+#
+CONFIG_MACH_G3EVM=y
+
+#
+# SH-Mobile System Configuration
+#
+
+#
+# Memory configuration
+#
+CONFIG_MEMORY_START=0x50000000
+CONFIG_MEMORY_SIZE=0x08000000
+
+#
+# Timer and clock configuration
+#
+CONFIG_SH_TIMER_CMT=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_V6=y
+# CONFIG_CPU_32v6K is not set
+CONFIG_CPU_32v6=y
+CONFIG_CPU_ABRT_EV6=y
+CONFIG_CPU_PABRT_V6=y
+CONFIG_CPU_CACHE_V6=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V6=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_ARM_L1_CACHE_SHIFT=5
+# CONFIG_ARM_ERRATA_411920 is not set
+CONFIG_COMMON_CLKDEV=y
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_HZ=100
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="console=ttySC1,115200 earlyprintk=sh-sci.1,115200"
+# CONFIG_XIP_KERNEL is not set
+CONFIG_KEXEC=y
+CONFIG_ATAGS_PROC=y
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_IDLE is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+# CONFIG_SUSPEND is not set
+# CONFIG_APM_EMULATION is not set
+# CONFIG_PM_RUNTIME is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+# CONFIG_NET is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+# CONFIG_FIRMWARE_IN_KERNEL is not set
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+CONFIG_MTD_CONCAT=y
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_AMDSTD is not set
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+# CONFIG_MTD_PHYSMAP_COMPAT is not set
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+# CONFIG_BLK_DEV is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_NR_UARTS=8
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+# CONFIG_FSNOTIFY is not set
+# CONFIG_DNOTIFY is not set
+# CONFIG_INOTIFY is not set
+# CONFIG_INOTIFY_USER is not set
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+# CONFIG_MISC_FILESYSTEMS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_NLS is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+# CONFIG_DETECT_SOFTLOCKUP is not set
+# CONFIG_DETECT_HUNG_TASK is not set
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
+# CONFIG_DEBUG_USER is not set
+# CONFIG_DEBUG_ERRORS is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_DEBUG_LL is not set
+# CONFIG_OC_ETM is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+# CONFIG_CRYPTO is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_GENERIC_FIND_LAST_BIT=y
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+# CONFIG_CRC32 is not set
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_BZIP2=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_LZO=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/g4evm_defconfig b/arch/arm/configs/g4evm_defconfig
new file mode 100644
index 000000000000..8ee79a537134
--- /dev/null
+++ b/arch/arm/configs/g4evm_defconfig
@@ -0,0 +1,779 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.33-rc7
+# Mon Feb  8 12:21:35 2010
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_BSD_PROCESS_ACCT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=16
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+# CONFIG_RELAY is not set
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_IPC_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+CONFIG_RD_LZO=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+# CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+# CONFIG_MODULES is not set
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+CONFIG_DEFAULT_NOOP=y
+CONFIG_DEFAULT_IOSCHED="noop"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+CONFIG_INLINE_SPIN_UNLOCK=y
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+CONFIG_INLINE_READ_UNLOCK=y
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+CONFIG_INLINE_WRITE_UNLOCK=y
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+# CONFIG_FREEZER is not set
+
+#
+# System Type
+#
+CONFIG_MMU=y
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_NOMADIK is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MSM is not set
+CONFIG_ARCH_SHMOBILE=y
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
+
+#
+# SH-Mobile System Type
+#
+# CONFIG_ARCH_SH7367 is not set
+CONFIG_ARCH_SH7377=y
+# CONFIG_ARCH_SH7372 is not set
+
+#
+# SH-Mobile Board Type
+#
+CONFIG_MACH_G4EVM=y
+
+#
+# SH-Mobile System Configuration
+#
+
+#
+# Memory configuration
+#
+CONFIG_MEMORY_START=0x40000000
+CONFIG_MEMORY_SIZE=0x08000000
+
+#
+# Timer and clock configuration
+#
+CONFIG_SH_TIMER_CMT=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_V7=y
+CONFIG_CPU_32v7=y
+CONFIG_CPU_ABRT_EV7=y
+CONFIG_CPU_PABRT_V7=y
+CONFIG_CPU_CACHE_V7=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V7=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_ARM_THUMBEE is not set
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_HAS_TLS_REG=y
+CONFIG_ARM_L1_CACHE_SHIFT=5
+# CONFIG_ARM_ERRATA_430973 is not set
+# CONFIG_ARM_ERRATA_458693 is not set
+# CONFIG_ARM_ERRATA_460075 is not set
+CONFIG_COMMON_CLKDEV=y
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_HZ=100
+# CONFIG_THUMB2_KERNEL is not set
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="console=ttySC4,115200 earlyprintk=sh-sci.4,115200"
+# CONFIG_XIP_KERNEL is not set
+CONFIG_KEXEC=y
+CONFIG_ATAGS_PROC=y
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_IDLE is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+# CONFIG_SUSPEND is not set
+# CONFIG_APM_EMULATION is not set
+# CONFIG_PM_RUNTIME is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+# CONFIG_NET is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+# CONFIG_FIRMWARE_IN_KERNEL is not set
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+CONFIG_MTD_CONCAT=y
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_AMDSTD is not set
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+# CONFIG_MTD_PHYSMAP_COMPAT is not set
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+# CONFIG_BLK_DEV is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SH_SCI=y
+CONFIG_SERIAL_SH_SCI_NR_UARTS=8
+CONFIG_SERIAL_SH_SCI_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+# CONFIG_FSNOTIFY is not set
+# CONFIG_DNOTIFY is not set
+# CONFIG_INOTIFY is not set
+# CONFIG_INOTIFY_USER is not set
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+# CONFIG_MISC_FILESYSTEMS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_NLS is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+# CONFIG_DETECT_SOFTLOCKUP is not set
+# CONFIG_DETECT_HUNG_TASK is not set
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
+# CONFIG_DEBUG_USER is not set
+# CONFIG_DEBUG_ERRORS is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_DEBUG_LL is not set
+# CONFIG_OC_ETM is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+# CONFIG_CRYPTO is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_GENERIC_FIND_LAST_BIT=y
+# CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+# CONFIG_CRC32 is not set
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_BZIP2=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_LZO=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/imote2_defconfig b/arch/arm/configs/imote2_defconfig
new file mode 100644
index 000000000000..95d2becfc664
--- /dev/null
+++ b/arch/arm/configs/imote2_defconfig
@@ -0,0 +1,2077 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.33-rc8
+# Sat Feb 13 21:48:53 2010
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_ARCH_HAS_CPUFREQ=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_MTD_XIP=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+CONFIG_GROUP_SCHED=y
+CONFIG_FAIR_GROUP_SCHED=y
+# CONFIG_RT_GROUP_SCHED is not set
+CONFIG_USER_SCHED=y
+# CONFIG_CGROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+# CONFIG_RD_LZO is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+# CONFIG_COMPAT_BRK is not set
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+CONFIG_SLOW_WORK=y
+# CONFIG_SLOW_WORK_DEBUG is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+CONFIG_MODVERSIONS=y
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+# CONFIG_LBDAF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_DEADLINE=y
+# CONFIG_IOSCHED_CFQ is not set
+CONFIG_DEFAULT_DEADLINE=y
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="deadline"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+CONFIG_FREEZER=y
+
+#
+# System Type
+#
+CONFIG_MMU=y
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_NOMADIK is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_PNX4008 is not set
+CONFIG_ARCH_PXA=y
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
+
+#
+# Intel PXA2xx/PXA3xx Implementations
+#
+
+#
+# Intel/Marvell Dev Platforms (sorted by hardware release time)
+#
+# CONFIG_ARCH_LUBBOCK is not set
+# CONFIG_MACH_MAINSTONE is not set
+# CONFIG_MACH_ZYLONITE300 is not set
+# CONFIG_MACH_ZYLONITE320 is not set
+# CONFIG_MACH_LITTLETON is not set
+# CONFIG_MACH_TAVOREVB is not set
+# CONFIG_MACH_SAAR is not set
+
+#
+# Third Party Dev Platforms (sorted by vendor name)
+#
+# CONFIG_ARCH_PXA_IDP is not set
+# CONFIG_ARCH_VIPER is not set
+# CONFIG_MACH_ARCOM_ZEUS is not set
+# CONFIG_MACH_BALLOON3 is not set
+# CONFIG_MACH_CSB726 is not set
+# CONFIG_MACH_ARMCORE is not set
+# CONFIG_MACH_EM_X270 is not set
+# CONFIG_MACH_EXEDA is not set
+# CONFIG_MACH_CM_X300 is not set
+# CONFIG_ARCH_GUMSTIX is not set
+CONFIG_MACH_INTELMOTE2=y
+# CONFIG_MACH_STARGATE2 is not set
+# CONFIG_MACH_XCEP is not set
+# CONFIG_TRIZEPS_PXA is not set
+# CONFIG_MACH_LOGICPD_PXA270 is not set
+# CONFIG_MACH_PCM027 is not set
+# CONFIG_MACH_COLIBRI is not set
+# CONFIG_MACH_COLIBRI300 is not set
+# CONFIG_MACH_COLIBRI320 is not set
+
+#
+# End-user Products (sorted by vendor name)
+#
+# CONFIG_MACH_H4700 is not set
+# CONFIG_MACH_H5000 is not set
+# CONFIG_MACH_HIMALAYA is not set
+# CONFIG_MACH_MAGICIAN is not set
+# CONFIG_MACH_MIOA701 is not set
+# CONFIG_PXA_EZX is not set
+# CONFIG_MACH_MP900C is not set
+# CONFIG_ARCH_PXA_PALM is not set
+# CONFIG_PXA_SHARPSL is not set
+# CONFIG_ARCH_PXA_ESERIES is not set
+CONFIG_PXA27x=y
+CONFIG_PXA_SSP=y
+CONFIG_PXA_HAVE_BOARD_IRQS=y
+CONFIG_PLAT_PXA=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_XSCALE=y
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5T=y
+CONFIG_CPU_PABRT_LEGACY=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_TLB_V4WBI=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_DCACHE_DISABLE is not set
+CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_IWMMXT=y
+CONFIG_XSCALE_PMU=y
+CONFIG_COMMON_CLKDEV=y
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+# CONFIG_PREEMPT_NONE is not set
+# CONFIG_PREEMPT_VOLUNTARY is not set
+CONFIG_PREEMPT=y
+CONFIG_HZ=100
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=999999
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="console=tty1 root=/dev/mmcblk0p2 rootfstype=ext2 rootdelay=3 ip=192.168.0.202:192.168.0.200:192.168.0.200:255.255.255.0 debug"
+# CONFIG_XIP_KERNEL is not set
+CONFIG_KEXEC=y
+CONFIG_ATAGS_PROC=y
+
+#
+# CPU Power Management
+#
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TABLE=y
+CONFIG_CPU_FREQ_DEBUG=y
+CONFIG_CPU_FREQ_STAT=y
+# CONFIG_CPU_FREQ_STAT_DETAILS is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=m
+CONFIG_CPU_FREQ_GOV_USERSPACE=m
+CONFIG_CPU_FREQ_GOV_ONDEMAND=m
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
+CONFIG_CPU_IDLE=y
+CONFIG_CPU_IDLE_GOV_LADDER=y
+CONFIG_CPU_IDLE_GOV_MENU=y
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_FPE_NWFPE=y
+# CONFIG_FPE_NWFPE_XP is not set
+# CONFIG_FPE_FASTFPE is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+CONFIG_BINFMT_AOUT=m
+CONFIG_BINFMT_MISC=m
+
+#
+# Power management options
+#
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+CONFIG_APM_EMULATION=y
+CONFIG_PM_RUNTIME=y
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+CONFIG_XFRM_IPCOMP=m
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+CONFIG_INET_TUNNEL=m
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+CONFIG_IPV6=m
+# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+CONFIG_INET6_AH=m
+CONFIG_INET6_ESP=m
+CONFIG_INET6_IPCOMP=m
+CONFIG_IPV6_MIP6=m
+CONFIG_INET6_XFRM_TUNNEL=m
+CONFIG_INET6_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_TRANSPORT=m
+CONFIG_INET6_XFRM_MODE_TUNNEL=m
+CONFIG_INET6_XFRM_MODE_BEET=m
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=m
+# CONFIG_IPV6_SIT_6RD is not set
+CONFIG_IPV6_NDISC_NODETYPE=y
+CONFIG_IPV6_TUNNEL=m
+CONFIG_IPV6_MULTIPLE_TABLES=y
+CONFIG_IPV6_SUBTREES=y
+# CONFIG_IPV6_MROUTE is not set
+# CONFIG_NETWORK_SECMARK is not set
+CONFIG_NETFILTER=y
+# CONFIG_NETFILTER_DEBUG is not set
+CONFIG_NETFILTER_ADVANCED=y
+CONFIG_BRIDGE_NETFILTER=y
+
+#
+# Core Netfilter Configuration
+#
+CONFIG_NETFILTER_NETLINK=m
+CONFIG_NETFILTER_NETLINK_QUEUE=m
+CONFIG_NETFILTER_NETLINK_LOG=m
+CONFIG_NF_CONNTRACK=m
+CONFIG_NF_CT_ACCT=y
+CONFIG_NF_CONNTRACK_MARK=y
+CONFIG_NF_CONNTRACK_EVENTS=y
+# CONFIG_NF_CT_PROTO_DCCP is not set
+CONFIG_NF_CT_PROTO_GRE=m
+CONFIG_NF_CT_PROTO_SCTP=m
+CONFIG_NF_CT_PROTO_UDPLITE=m
+CONFIG_NF_CONNTRACK_AMANDA=m
+CONFIG_NF_CONNTRACK_FTP=m
+CONFIG_NF_CONNTRACK_H323=m
+CONFIG_NF_CONNTRACK_IRC=m
+CONFIG_NF_CONNTRACK_NETBIOS_NS=m
+CONFIG_NF_CONNTRACK_PPTP=m
+CONFIG_NF_CONNTRACK_SANE=m
+CONFIG_NF_CONNTRACK_SIP=m
+CONFIG_NF_CONNTRACK_TFTP=m
+CONFIG_NF_CT_NETLINK=m
+# CONFIG_NETFILTER_TPROXY is not set
+CONFIG_NETFILTER_XTABLES=m
+CONFIG_NETFILTER_XT_TARGET_CLASSIFY=m
+# CONFIG_NETFILTER_XT_TARGET_CONNMARK is not set
+# CONFIG_NETFILTER_XT_TARGET_DSCP is not set
+CONFIG_NETFILTER_XT_TARGET_HL=m
+CONFIG_NETFILTER_XT_TARGET_LED=m
+CONFIG_NETFILTER_XT_TARGET_MARK=m
+CONFIG_NETFILTER_XT_TARGET_NFLOG=m
+CONFIG_NETFILTER_XT_TARGET_NFQUEUE=m
+# CONFIG_NETFILTER_XT_TARGET_NOTRACK is not set
+# CONFIG_NETFILTER_XT_TARGET_RATEEST is not set
+# CONFIG_NETFILTER_XT_TARGET_TRACE is not set
+CONFIG_NETFILTER_XT_TARGET_TCPMSS=m
+# CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set
+# CONFIG_NETFILTER_XT_MATCH_CLUSTER is not set
+CONFIG_NETFILTER_XT_MATCH_COMMENT=m
+CONFIG_NETFILTER_XT_MATCH_CONNBYTES=m
+CONFIG_NETFILTER_XT_MATCH_CONNLIMIT=m
+CONFIG_NETFILTER_XT_MATCH_CONNMARK=m
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=m
+CONFIG_NETFILTER_XT_MATCH_DCCP=m
+CONFIG_NETFILTER_XT_MATCH_DSCP=m
+CONFIG_NETFILTER_XT_MATCH_ESP=m
+CONFIG_NETFILTER_XT_MATCH_HASHLIMIT=m
+CONFIG_NETFILTER_XT_MATCH_HELPER=m
+CONFIG_NETFILTER_XT_MATCH_HL=m
+# CONFIG_NETFILTER_XT_MATCH_IPRANGE is not set
+CONFIG_NETFILTER_XT_MATCH_LENGTH=m
+CONFIG_NETFILTER_XT_MATCH_LIMIT=m
+CONFIG_NETFILTER_XT_MATCH_MAC=m
+CONFIG_NETFILTER_XT_MATCH_MARK=m
+CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
+# CONFIG_NETFILTER_XT_MATCH_OWNER is not set
+CONFIG_NETFILTER_XT_MATCH_POLICY=m
+# CONFIG_NETFILTER_XT_MATCH_PHYSDEV is not set
+CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
+CONFIG_NETFILTER_XT_MATCH_QUOTA=m
+# CONFIG_NETFILTER_XT_MATCH_RATEEST is not set
+CONFIG_NETFILTER_XT_MATCH_REALM=m
+# CONFIG_NETFILTER_XT_MATCH_RECENT is not set
+CONFIG_NETFILTER_XT_MATCH_SCTP=m
+CONFIG_NETFILTER_XT_MATCH_STATE=m
+CONFIG_NETFILTER_XT_MATCH_STATISTIC=m
+CONFIG_NETFILTER_XT_MATCH_STRING=m
+CONFIG_NETFILTER_XT_MATCH_TCPMSS=m
+CONFIG_NETFILTER_XT_MATCH_TIME=m
+CONFIG_NETFILTER_XT_MATCH_U32=m
+# CONFIG_NETFILTER_XT_MATCH_OSF is not set
+# CONFIG_IP_VS is not set
+
+#
+# IP: Netfilter Configuration
+#
+CONFIG_NF_DEFRAG_IPV4=m
+CONFIG_NF_CONNTRACK_IPV4=m
+CONFIG_NF_CONNTRACK_PROC_COMPAT=y
+CONFIG_IP_NF_QUEUE=m
+CONFIG_IP_NF_IPTABLES=m
+CONFIG_IP_NF_MATCH_ADDRTYPE=m
+CONFIG_IP_NF_MATCH_AH=m
+CONFIG_IP_NF_MATCH_ECN=m
+CONFIG_IP_NF_MATCH_TTL=m
+CONFIG_IP_NF_FILTER=m
+CONFIG_IP_NF_TARGET_REJECT=m
+CONFIG_IP_NF_TARGET_LOG=m
+CONFIG_IP_NF_TARGET_ULOG=m
+CONFIG_NF_NAT=m
+CONFIG_NF_NAT_NEEDED=y
+CONFIG_IP_NF_TARGET_MASQUERADE=m
+CONFIG_IP_NF_TARGET_NETMAP=m
+CONFIG_IP_NF_TARGET_REDIRECT=m
+CONFIG_NF_NAT_SNMP_BASIC=m
+CONFIG_NF_NAT_PROTO_GRE=m
+CONFIG_NF_NAT_PROTO_UDPLITE=m
+CONFIG_NF_NAT_PROTO_SCTP=m
+CONFIG_NF_NAT_FTP=m
+CONFIG_NF_NAT_IRC=m
+CONFIG_NF_NAT_TFTP=m
+CONFIG_NF_NAT_AMANDA=m
+CONFIG_NF_NAT_PPTP=m
+CONFIG_NF_NAT_H323=m
+CONFIG_NF_NAT_SIP=m
+CONFIG_IP_NF_MANGLE=m
+CONFIG_IP_NF_TARGET_CLUSTERIP=m
+CONFIG_IP_NF_TARGET_ECN=m
+CONFIG_IP_NF_TARGET_TTL=m
+CONFIG_IP_NF_RAW=m
+CONFIG_IP_NF_ARPTABLES=m
+CONFIG_IP_NF_ARPFILTER=m
+CONFIG_IP_NF_ARP_MANGLE=m
+
+#
+# IPv6: Netfilter Configuration
+#
+CONFIG_NF_CONNTRACK_IPV6=m
+CONFIG_IP6_NF_QUEUE=m
+CONFIG_IP6_NF_IPTABLES=m
+CONFIG_IP6_NF_MATCH_AH=m
+CONFIG_IP6_NF_MATCH_EUI64=m
+CONFIG_IP6_NF_MATCH_FRAG=m
+CONFIG_IP6_NF_MATCH_OPTS=m
+CONFIG_IP6_NF_MATCH_HL=m
+CONFIG_IP6_NF_MATCH_IPV6HEADER=m
+CONFIG_IP6_NF_MATCH_MH=m
+CONFIG_IP6_NF_MATCH_RT=m
+CONFIG_IP6_NF_TARGET_HL=m
+CONFIG_IP6_NF_TARGET_LOG=m
+CONFIG_IP6_NF_FILTER=m
+CONFIG_IP6_NF_TARGET_REJECT=m
+CONFIG_IP6_NF_MANGLE=m
+CONFIG_IP6_NF_RAW=m
+# CONFIG_BRIDGE_NF_EBTABLES is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+CONFIG_STP=m
+CONFIG_BRIDGE=m
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+CONFIG_LLC=m
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+CONFIG_IEEE802154=y
+# CONFIG_NET_SCHED is not set
+CONFIG_NET_CLS_ROUTE=y
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+CONFIG_BT=y
+CONFIG_BT_L2CAP=y
+CONFIG_BT_SCO=y
+CONFIG_BT_RFCOMM=y
+CONFIG_BT_RFCOMM_TTY=y
+CONFIG_BT_BNEP=y
+CONFIG_BT_BNEP_MC_FILTER=y
+CONFIG_BT_BNEP_PROTO_FILTER=y
+CONFIG_BT_HIDP=y
+
+#
+# Bluetooth device drivers
+#
+CONFIG_BT_HCIBTUSB=m
+CONFIG_BT_HCIBTSDIO=m
+CONFIG_BT_HCIUART=y
+CONFIG_BT_HCIUART_H4=y
+# CONFIG_BT_HCIUART_BCSP is not set
+# CONFIG_BT_HCIUART_LL is not set
+CONFIG_BT_HCIBCM203X=m
+CONFIG_BT_HCIBPA10X=m
+CONFIG_BT_HCIBFUSB=m
+CONFIG_BT_HCIVHCI=m
+CONFIG_BT_MRVL=m
+CONFIG_BT_MRVL_SDIO=m
+# CONFIG_BT_ATH3K is not set
+# CONFIG_AF_RXRPC is not set
+CONFIG_FIB_RULES=y
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=m
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+CONFIG_CONNECTOR=m
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_HAVE_MTD_OTP=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_NOSWAP=y
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+CONFIG_MTD_CFI_GEOMETRY=y
+# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+# CONFIG_MTD_CFI_I2 is not set
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+CONFIG_MTD_OTP=y
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_AMDSTD is not set
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+# CONFIG_MTD_XIP is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PHYSMAP is not set
+CONFIG_MTD_PXA2XX=y
+# CONFIG_MTD_ARM_INTEGRATOR is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SST25L is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=m
+CONFIG_BLK_DEV_CRYPTOLOOP=m
+# CONFIG_BLK_DEV_DRBD is not set
+CONFIG_BLK_DEV_NBD=m
+# CONFIG_BLK_DEV_UB is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MG_DISK is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+CONFIG_DUMMY=y
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_NET_ETHERNET is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_WAN is not set
+CONFIG_IEEE802154_DRIVERS=y
+# CONFIG_IEEE802154_FAKEHARD is not set
+CONFIG_PPP=m
+CONFIG_PPP_MULTILINK=y
+CONFIG_PPP_FILTER=y
+CONFIG_PPP_ASYNC=m
+CONFIG_PPP_SYNC_TTY=m
+CONFIG_PPP_DEFLATE=m
+CONFIG_PPP_BSDCOMP=m
+# CONFIG_PPP_MPPE is not set
+# CONFIG_PPPOE is not set
+# CONFIG_PPPOL2TP is not set
+# CONFIG_SLIP is not set
+CONFIG_SLHC=m
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+# CONFIG_INPUT_APMPOWER is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ADP5588 is not set
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_QT2160 is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_LM8323 is not set
+# CONFIG_KEYBOARD_MAX7359 is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_OPENCORES is not set
+CONFIG_KEYBOARD_PXA27x=y
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_ADS7846 is not set
+# CONFIG_TOUCHSCREEN_AD7877 is not set
+# CONFIG_TOUCHSCREEN_AD7879_I2C is not set
+# CONFIG_TOUCHSCREEN_AD7879_SPI is not set
+# CONFIG_TOUCHSCREEN_AD7879 is not set
+CONFIG_TOUCHSCREEN_DA9034=y
+# CONFIG_TOUCHSCREEN_DYNAPRO is not set
+# CONFIG_TOUCHSCREEN_EETI is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MCS5000 is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_TOUCHSCREEN_TSC2007 is not set
+# CONFIG_TOUCHSCREEN_W90X900 is not set
+CONFIG_INPUT_MISC=y
+# CONFIG_INPUT_ATI_REMOTE is not set
+# CONFIG_INPUT_ATI_REMOTE2 is not set
+# CONFIG_INPUT_KEYSPAN_REMOTE is not set
+# CONFIG_INPUT_POWERMATE is not set
+# CONFIG_INPUT_YEALINK is not set
+# CONFIG_INPUT_CM109 is not set
+CONFIG_INPUT_UINPUT=y
+# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+# CONFIG_SERIAL_MAX3100 is not set
+CONFIG_SERIAL_PXA=y
+CONFIG_SERIAL_PXA_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=8
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_DESIGNWARE is not set
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+CONFIG_I2C_PXA=y
+# CONFIG_I2C_PXA_SLAVE is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+# CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
+CONFIG_SPI_PXA2XX=y
+# CONFIG_SPI_XILINX is not set
+# CONFIG_SPI_DESIGNWARE is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+CONFIG_GPIO_SYSFS=y
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
+# CONFIG_W1 is not set
+CONFIG_POWER_SUPPLY=y
+# CONFIG_POWER_SUPPLY_DEBUG is not set
+# CONFIG_PDA_POWER is not set
+# CONFIG_APM_POWER is not set
+# CONFIG_BATTERY_DS2760 is not set
+# CONFIG_BATTERY_DS2782 is not set
+# CONFIG_BATTERY_BQ27x00 is not set
+# CONFIG_BATTERY_DA9030 is not set
+# CONFIG_BATTERY_MAX17040 is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+CONFIG_PMIC_DA903X=y
+# CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
+# CONFIG_MFD_88PM8607 is not set
+# CONFIG_AB4500_CORE is not set
+CONFIG_REGULATOR=y
+CONFIG_REGULATOR_DEBUG=y
+# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
+CONFIG_REGULATOR_VIRTUAL_CONSUMER=y
+CONFIG_REGULATOR_USERSPACE_CONSUMER=y
+# CONFIG_REGULATOR_BQ24022 is not set
+# CONFIG_REGULATOR_MAX1586 is not set
+# CONFIG_REGULATOR_MAX8660 is not set
+CONFIG_REGULATOR_DA903X=y
+# CONFIG_REGULATOR_LP3971 is not set
+# CONFIG_REGULATOR_TPS65023 is not set
+# CONFIG_REGULATOR_TPS6507X is not set
+CONFIG_MEDIA_SUPPORT=y
+
+#
+# Multimedia core support
+#
+CONFIG_VIDEO_DEV=y
+CONFIG_VIDEO_V4L2_COMMON=y
+CONFIG_VIDEO_ALLOW_V4L1=y
+CONFIG_VIDEO_V4L1_COMPAT=y
+# CONFIG_DVB_CORE is not set
+CONFIG_VIDEO_MEDIA=y
+
+#
+# Multimedia drivers
+#
+CONFIG_IR_CORE=y
+CONFIG_VIDEO_IR=y
+# CONFIG_MEDIA_ATTACH is not set
+CONFIG_MEDIA_TUNER=y
+CONFIG_MEDIA_TUNER_CUSTOMISE=y
+# CONFIG_MEDIA_TUNER_SIMPLE is not set
+# CONFIG_MEDIA_TUNER_TDA8290 is not set
+# CONFIG_MEDIA_TUNER_TDA827X is not set
+# CONFIG_MEDIA_TUNER_TDA18271 is not set
+# CONFIG_MEDIA_TUNER_TDA9887 is not set
+# CONFIG_MEDIA_TUNER_TEA5761 is not set
+# CONFIG_MEDIA_TUNER_TEA5767 is not set
+# CONFIG_MEDIA_TUNER_MT20XX is not set
+# CONFIG_MEDIA_TUNER_MT2060 is not set
+# CONFIG_MEDIA_TUNER_MT2266 is not set
+# CONFIG_MEDIA_TUNER_MT2131 is not set
+# CONFIG_MEDIA_TUNER_QT1010 is not set
+# CONFIG_MEDIA_TUNER_XC2028 is not set
+# CONFIG_MEDIA_TUNER_XC5000 is not set
+# CONFIG_MEDIA_TUNER_MXL5005S is not set
+# CONFIG_MEDIA_TUNER_MXL5007T is not set
+# CONFIG_MEDIA_TUNER_MC44S803 is not set
+CONFIG_MEDIA_TUNER_MAX2165=m
+CONFIG_VIDEO_V4L2=y
+CONFIG_VIDEO_V4L1=y
+CONFIG_VIDEOBUF_GEN=y
+CONFIG_VIDEOBUF_DMA_SG=y
+CONFIG_VIDEO_CAPTURE_DRIVERS=y
+# CONFIG_VIDEO_ADV_DEBUG is not set
+# CONFIG_VIDEO_FIXED_MINOR_RANGES is not set
+# CONFIG_VIDEO_HELPER_CHIPS_AUTO is not set
+CONFIG_VIDEO_IR_I2C=y
+
+#
+# Encoders/decoders and other helper chips
+#
+
+#
+# Audio decoders
+#
+# CONFIG_VIDEO_TVAUDIO is not set
+# CONFIG_VIDEO_TDA7432 is not set
+# CONFIG_VIDEO_TDA9840 is not set
+# CONFIG_VIDEO_TDA9875 is not set
+# CONFIG_VIDEO_TEA6415C is not set
+# CONFIG_VIDEO_TEA6420 is not set
+# CONFIG_VIDEO_MSP3400 is not set
+# CONFIG_VIDEO_CS5345 is not set
+# CONFIG_VIDEO_CS53L32A is not set
+# CONFIG_VIDEO_M52790 is not set
+# CONFIG_VIDEO_TLV320AIC23B is not set
+# CONFIG_VIDEO_WM8775 is not set
+# CONFIG_VIDEO_WM8739 is not set
+# CONFIG_VIDEO_VP27SMPX is not set
+
+#
+# RDS decoders
+#
+# CONFIG_VIDEO_SAA6588 is not set
+
+#
+# Video decoders
+#
+# CONFIG_VIDEO_ADV7180 is not set
+# CONFIG_VIDEO_BT819 is not set
+# CONFIG_VIDEO_BT856 is not set
+# CONFIG_VIDEO_BT866 is not set
+# CONFIG_VIDEO_KS0127 is not set
+# CONFIG_VIDEO_OV7670 is not set
+# CONFIG_VIDEO_MT9V011 is not set
+# CONFIG_VIDEO_TCM825X is not set
+# CONFIG_VIDEO_SAA7110 is not set
+# CONFIG_VIDEO_SAA711X is not set
+# CONFIG_VIDEO_SAA717X is not set
+# CONFIG_VIDEO_SAA7191 is not set
+# CONFIG_VIDEO_TVP514X is not set
+# CONFIG_VIDEO_TVP5150 is not set
+# CONFIG_VIDEO_VPX3220 is not set
+
+#
+# Video and audio decoders
+#
+# CONFIG_VIDEO_CX25840 is not set
+
+#
+# MPEG video encoders
+#
+# CONFIG_VIDEO_CX2341X is not set
+
+#
+# Video encoders
+#
+# CONFIG_VIDEO_SAA7127 is not set
+# CONFIG_VIDEO_SAA7185 is not set
+# CONFIG_VIDEO_ADV7170 is not set
+# CONFIG_VIDEO_ADV7175 is not set
+# CONFIG_VIDEO_THS7303 is not set
+# CONFIG_VIDEO_ADV7343 is not set
+
+#
+# Video improvement chips
+#
+# CONFIG_VIDEO_UPD64031A is not set
+# CONFIG_VIDEO_UPD64083 is not set
+# CONFIG_VIDEO_VIVI is not set
+# CONFIG_VIDEO_CPIA is not set
+# CONFIG_VIDEO_CPIA2 is not set
+# CONFIG_VIDEO_SAA5246A is not set
+# CONFIG_VIDEO_SAA5249 is not set
+CONFIG_SOC_CAMERA=y
+# CONFIG_SOC_CAMERA_MT9M001 is not set
+CONFIG_SOC_CAMERA_MT9M111=y
+# CONFIG_SOC_CAMERA_MT9T031 is not set
+# CONFIG_SOC_CAMERA_MT9T112 is not set
+# CONFIG_SOC_CAMERA_MT9V022 is not set
+# CONFIG_SOC_CAMERA_RJ54N1 is not set
+# CONFIG_SOC_CAMERA_TW9910 is not set
+# CONFIG_SOC_CAMERA_PLATFORM is not set
+# CONFIG_SOC_CAMERA_OV772X is not set
+# CONFIG_SOC_CAMERA_OV9640 is not set
+CONFIG_VIDEO_PXA27x=y
+# CONFIG_VIDEO_SH_MOBILE_CEU is not set
+# CONFIG_V4L_USB_DRIVERS is not set
+CONFIG_RADIO_ADAPTERS=y
+# CONFIG_I2C_SI4713 is not set
+# CONFIG_RADIO_SI4713 is not set
+# CONFIG_USB_DSBR is not set
+# CONFIG_RADIO_SI470X is not set
+# CONFIG_USB_MR800 is not set
+CONFIG_RADIO_TEA5764=y
+CONFIG_RADIO_TEA5764_XTAL=y
+# CONFIG_RADIO_TEF6862 is not set
+# CONFIG_DAB is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_UVESA is not set
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_PXA=y
+CONFIG_FB_PXA_OVERLAY=y
+# CONFIG_FB_PXA_SMARTPANEL is not set
+CONFIG_FB_PXA_PARAMETERS=y
+# CONFIG_FB_MBX is not set
+# CONFIG_FB_W100 is not set
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
+# CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+# CONFIG_LCD_CLASS_DEVICE is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_BACKLIGHT_GENERIC=y
+# CONFIG_BACKLIGHT_DA903X is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+CONFIG_FONTS=y
+# CONFIG_FONT_8x8 is not set
+# CONFIG_FONT_8x16 is not set
+# CONFIG_FONT_6x11 is not set
+# CONFIG_FONT_7x14 is not set
+# CONFIG_FONT_PEARL_8x8 is not set
+# CONFIG_FONT_ACORN_8x8 is not set
+CONFIG_FONT_MINI_4x6=y
+# CONFIG_FONT_SUN8x16 is not set
+# CONFIG_FONT_SUN12x22 is not set
+# CONFIG_FONT_10x18 is not set
+# CONFIG_LOGO is not set
+CONFIG_SOUND=y
+CONFIG_SOUND_OSS_CORE=y
+CONFIG_SOUND_OSS_CORE_PRECLAIM=y
+CONFIG_SND=y
+CONFIG_SND_TIMER=y
+CONFIG_SND_PCM=y
+CONFIG_SND_JACK=y
+# CONFIG_SND_SEQUENCER is not set
+CONFIG_SND_OSSEMUL=y
+CONFIG_SND_MIXER_OSS=y
+CONFIG_SND_PCM_OSS=y
+CONFIG_SND_PCM_OSS_PLUGINS=y
+# CONFIG_SND_HRTIMER is not set
+# CONFIG_SND_DYNAMIC_MINORS is not set
+CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+# CONFIG_SND_RAWMIDI_SEQ is not set
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
+# CONFIG_SND_DRIVERS is not set
+# CONFIG_SND_ARM is not set
+CONFIG_SND_PXA2XX_LIB=y
+# CONFIG_SND_SPI is not set
+# CONFIG_SND_USB is not set
+CONFIG_SND_SOC=y
+CONFIG_SND_PXA2XX_SOC=y
+# CONFIG_SND_PXA2XX_SOC_IMOTE2 is not set
+CONFIG_SND_SOC_I2C_AND_SPI=y
+# CONFIG_SND_SOC_ALL_CODECS is not set
+# CONFIG_SOUND_PRIME is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HIDRAW is not set
+
+#
+# USB Input Devices
+#
+# CONFIG_USB_HID is not set
+# CONFIG_HID_PID is not set
+
+#
+# USB HID Boot Protocol drivers
+#
+# CONFIG_USB_KBD is not set
+# CONFIG_USB_MOUSE is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_APPLE=m
+# CONFIG_HID_WACOM is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
+
+#
+# Miscellaneous USB options
+#
+# CONFIG_USB_DEVICEFS is not set
+# CONFIG_USB_DEVICE_CLASS is not set
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_SUSPEND is not set
+# CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
+# CONFIG_USB_MON is not set
+# CONFIG_USB_WUSB is not set
+# CONFIG_USB_WUSB_CBAF is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_OXU210HP_HCD is not set
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_ISP1362_HCD is not set
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+# CONFIG_USB_HWA_HCD is not set
+# CONFIG_USB_MUSB_HDRC is not set
+# CONFIG_USB_GADGET_MUSB_HDRC is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
+
+#
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
+#
+
+#
+# also be needed; see USB_STORAGE Help for more info
+#
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+
+#
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_SEVSEG is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG is not set
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+# CONFIG_USB_GADGET_DEBUG_FS is not set
+CONFIG_USB_GADGET_VBUS_DRAW=2
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+# CONFIG_USB_GADGET_R8A66597 is not set
+CONFIG_USB_GADGET_PXA27X=y
+CONFIG_USB_PXA27X=y
+# CONFIG_USB_GADGET_S3C_HSOTG is not set
+# CONFIG_USB_GADGET_IMX is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_CI13XXX is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LANGWELL is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+# CONFIG_USB_GADGET_DUALSPEED is not set
+# CONFIG_USB_ZERO is not set
+# CONFIG_USB_AUDIO is not set
+CONFIG_USB_ETH=y
+# CONFIG_USB_ETH_RNDIS is not set
+# CONFIG_USB_ETH_EEM is not set
+# CONFIG_USB_GADGETFS is not set
+# CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_MASS_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+# CONFIG_USB_CDC_COMPOSITE is not set
+# CONFIG_USB_G_MULTI is not set
+
+#
+# OTG and related infrastructure
+#
+CONFIG_USB_OTG_UTILS=y
+# CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_USB_ULPI is not set
+# CONFIG_NOP_USB_XCEIV is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+CONFIG_MMC_UNSAFE_RESUME=y
+
+#
+# MMC/SD/SDIO Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+CONFIG_SDIO_UART=m
+# CONFIG_MMC_TEST is not set
+
+#
+# MMC/SD/SDIO Host Controller Drivers
+#
+CONFIG_MMC_PXA=y
+# CONFIG_MMC_SDHCI is not set
+# CONFIG_MMC_AT91 is not set
+# CONFIG_MMC_ATMELMCI is not set
+CONFIG_MMC_SPI=y
+# CONFIG_MEMSTICK is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+# CONFIG_LEDS_PCA9532 is not set
+# CONFIG_LEDS_GPIO is not set
+CONFIG_LEDS_LP3944=y
+# CONFIG_LEDS_PCA955X is not set
+# CONFIG_LEDS_DA903X is not set
+# CONFIG_LEDS_DAC124S085 is not set
+# CONFIG_LEDS_REGULATOR is not set
+# CONFIG_LEDS_BD2802 is not set
+# CONFIG_LEDS_LT3593 is not set
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
+CONFIG_LEDS_TRIGGER_BACKLIGHT=y
+CONFIG_LEDS_TRIGGER_GPIO=y
+CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
+
+#
+# iptables trigger is under Netfilter config (LED target)
+#
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_BQ32K is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_DS1390 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_MSM6242 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_RP5C01 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+# CONFIG_RTC_DRV_SA1100 is not set
+# CONFIG_RTC_DRV_PXA is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=m
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+CONFIG_EXT3_FS_XATTR=y
+# CONFIG_EXT3_FS_POSIX_ACL is not set
+# CONFIG_EXT3_FS_SECURITY is not set
+# CONFIG_EXT4_FS is not set
+CONFIG_JBD=m
+# CONFIG_JBD_DEBUG is not set
+CONFIG_FS_MBCACHE=m
+CONFIG_REISERFS_FS=m
+# CONFIG_REISERFS_CHECK is not set
+# CONFIG_REISERFS_PROC_INFO is not set
+CONFIG_REISERFS_FS_XATTR=y
+CONFIG_REISERFS_FS_POSIX_ACL=y
+CONFIG_REISERFS_FS_SECURITY=y
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+CONFIG_XFS_FS=m
+# CONFIG_XFS_QUOTA is not set
+# CONFIG_XFS_POSIX_ACL is not set
+# CONFIG_XFS_RT is not set
+# CONFIG_XFS_DEBUG is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+CONFIG_AUTOFS_FS=y
+CONFIG_AUTOFS4_FS=y
+CONFIG_FUSE_FS=m
+CONFIG_CUSE=m
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+CONFIG_ZISOFS=y
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=m
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=m
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=m
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+CONFIG_JFFS2_COMPRESSION_OPTIONS=y
+CONFIG_JFFS2_ZLIB=y
+CONFIG_JFFS2_LZO=y
+CONFIG_JFFS2_RTIME=y
+CONFIG_JFFS2_RUBIN=y
+# CONFIG_JFFS2_CMODE_NONE is not set
+CONFIG_JFFS2_CMODE_PRIORITY=y
+# CONFIG_JFFS2_CMODE_SIZE is not set
+# CONFIG_JFFS2_CMODE_FAVOURLZO is not set
+CONFIG_CRAMFS=m
+CONFIG_SQUASHFS=m
+# CONFIG_SQUASHFS_EMBEDDED is not set
+CONFIG_SQUASHFS_FRAGMENT_CACHE_SIZE=3
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+CONFIG_ROMFS_FS=m
+CONFIG_ROMFS_BACKED_BY_BLOCK=y
+# CONFIG_ROMFS_BACKED_BY_MTD is not set
+# CONFIG_ROMFS_BACKED_BY_BOTH is not set
+CONFIG_ROMFS_ON_BLOCK=y
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V3_ACL=y
+# CONFIG_NFS_V4 is not set
+# CONFIG_ROOT_NFS is not set
+CONFIG_NFSD=m
+CONFIG_NFSD_V2_ACL=y
+CONFIG_NFSD_V3=y
+CONFIG_NFSD_V3_ACL=y
+# CONFIG_NFSD_V4 is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_EXPORTFS=m
+CONFIG_NFS_ACL_SUPPORT=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+CONFIG_SMB_FS=m
+# CONFIG_SMB_NLS_DEFAULT is not set
+CONFIG_CIFS=m
+CONFIG_CIFS_STATS=y
+# CONFIG_CIFS_STATS2 is not set
+CONFIG_CIFS_WEAK_PW_HASH=y
+CONFIG_CIFS_XATTR=y
+CONFIG_CIFS_POSIX=y
+# CONFIG_CIFS_DEBUG2 is not set
+# CONFIG_CIFS_EXPERIMENTAL is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=m
+CONFIG_NLS_CODEPAGE_737=m
+CONFIG_NLS_CODEPAGE_775=m
+CONFIG_NLS_CODEPAGE_850=m
+CONFIG_NLS_CODEPAGE_852=m
+CONFIG_NLS_CODEPAGE_855=m
+CONFIG_NLS_CODEPAGE_857=m
+CONFIG_NLS_CODEPAGE_860=m
+CONFIG_NLS_CODEPAGE_861=m
+CONFIG_NLS_CODEPAGE_862=m
+CONFIG_NLS_CODEPAGE_863=m
+CONFIG_NLS_CODEPAGE_864=m
+CONFIG_NLS_CODEPAGE_865=m
+CONFIG_NLS_CODEPAGE_866=m
+CONFIG_NLS_CODEPAGE_869=m
+CONFIG_NLS_CODEPAGE_936=m
+CONFIG_NLS_CODEPAGE_950=m
+CONFIG_NLS_CODEPAGE_932=m
+CONFIG_NLS_CODEPAGE_949=m
+CONFIG_NLS_CODEPAGE_874=m
+CONFIG_NLS_ISO8859_8=m
+CONFIG_NLS_CODEPAGE_1250=m
+CONFIG_NLS_CODEPAGE_1251=m
+CONFIG_NLS_ASCII=m
+CONFIG_NLS_ISO8859_1=m
+CONFIG_NLS_ISO8859_2=m
+CONFIG_NLS_ISO8859_3=m
+CONFIG_NLS_ISO8859_4=m
+CONFIG_NLS_ISO8859_5=m
+CONFIG_NLS_ISO8859_6=m
+CONFIG_NLS_ISO8859_7=m
+CONFIG_NLS_ISO8859_9=m
+CONFIG_NLS_ISO8859_13=m
+CONFIG_NLS_ISO8859_14=m
+CONFIG_NLS_ISO8859_15=m
+CONFIG_NLS_KOI8_R=m
+CONFIG_NLS_KOI8_U=m
+CONFIG_NLS_UTF8=m
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+CONFIG_PRINTK_TIME=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+CONFIG_DEBUG_PREEMPT=y
+CONFIG_DEBUG_RT_MUTEXES=y
+CONFIG_DEBUG_PI_LIST=y
+# CONFIG_RT_MUTEX_TESTER is not set
+CONFIG_DEBUG_SPINLOCK=y
+CONFIG_DEBUG_MUTEXES=y
+CONFIG_DEBUG_LOCK_ALLOC=y
+CONFIG_PROVE_LOCKING=y
+CONFIG_LOCKDEP=y
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_LOCKDEP is not set
+CONFIG_TRACE_IRQFLAGS=y
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+CONFIG_STACKTRACE=y
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+# CONFIG_DEBUG_LL is not set
+# CONFIG_OC_ETM is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=m
+CONFIG_CRYPTO_ALGAPI2=m
+CONFIG_CRYPTO_AEAD=m
+CONFIG_CRYPTO_AEAD2=m
+CONFIG_CRYPTO_BLKCIPHER=m
+CONFIG_CRYPTO_BLKCIPHER2=m
+CONFIG_CRYPTO_HASH=m
+CONFIG_CRYPTO_HASH2=m
+CONFIG_CRYPTO_RNG2=m
+CONFIG_CRYPTO_PCOMP=m
+CONFIG_CRYPTO_MANAGER=m
+CONFIG_CRYPTO_MANAGER2=m
+CONFIG_CRYPTO_GF128MUL=m
+CONFIG_CRYPTO_NULL=m
+CONFIG_CRYPTO_WORKQUEUE=m
+CONFIG_CRYPTO_CRYPTD=m
+CONFIG_CRYPTO_AUTHENC=m
+CONFIG_CRYPTO_TEST=m
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=m
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=m
+CONFIG_CRYPTO_LRW=m
+CONFIG_CRYPTO_PCBC=m
+CONFIG_CRYPTO_XTS=m
+
+#
+# Hash modes
+#
+CONFIG_CRYPTO_HMAC=m
+CONFIG_CRYPTO_XCBC=m
+CONFIG_CRYPTO_VMAC=m
+
+#
+# Digest
+#
+CONFIG_CRYPTO_CRC32C=m
+CONFIG_CRYPTO_GHASH=m
+CONFIG_CRYPTO_MD4=m
+CONFIG_CRYPTO_MD5=m
+CONFIG_CRYPTO_MICHAEL_MIC=m
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+CONFIG_CRYPTO_SHA1=m
+CONFIG_CRYPTO_SHA256=m
+CONFIG_CRYPTO_SHA512=m
+CONFIG_CRYPTO_TGR192=m
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+CONFIG_CRYPTO_AES=m
+# CONFIG_CRYPTO_ANUBIS is not set
+CONFIG_CRYPTO_ARC4=m
+CONFIG_CRYPTO_BLOWFISH=m
+# CONFIG_CRYPTO_CAMELLIA is not set
+CONFIG_CRYPTO_CAST5=m
+CONFIG_CRYPTO_CAST6=m
+CONFIG_CRYPTO_DES=m
+CONFIG_CRYPTO_FCRYPT=m
+CONFIG_CRYPTO_KHAZAD=m
+# CONFIG_CRYPTO_SALSA20 is not set
+CONFIG_CRYPTO_SEED=m
+CONFIG_CRYPTO_SERPENT=m
+CONFIG_CRYPTO_TEA=m
+CONFIG_CRYPTO_TWOFISH=m
+CONFIG_CRYPTO_TWOFISH_COMMON=m
+
+#
+# Compression
+#
+CONFIG_CRYPTO_DEFLATE=m
+# CONFIG_CRYPTO_ZLIB is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=m
+CONFIG_CRC16=y
+# CONFIG_CRC_T10DIF is not set
+CONFIG_CRC_ITU_T=y
+CONFIG_CRC32=y
+CONFIG_CRC7=y
+CONFIG_LIBCRC32C=m
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=m
+CONFIG_LZO_COMPRESS=m
+CONFIG_LZO_DECOMPRESS=m
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_BZIP2=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_TEXTSEARCH=y
+CONFIG_TEXTSEARCH_KMP=m
+CONFIG_TEXTSEARCH_BM=m
+CONFIG_TEXTSEARCH_FSM=m
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/arm/configs/kirkwood_defconfig b/arch/arm/configs/kirkwood_defconfig
index 5fc44c94b0ad..4611d3ce451a 100644
--- a/arch/arm/configs/kirkwood_defconfig
+++ b/arch/arm/configs/kirkwood_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.32-rc6
-# Sat Nov  7 20:31:18 2009
+# Linux kernel version: 2.6.33-rc6
+# Thu Feb  4 23:08:54 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
@@ -32,6 +32,12 @@ CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
@@ -45,6 +51,7 @@ CONFIG_SYSVIPC_SYSCTL=y
 #
 CONFIG_TREE_RCU=y
 # CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
 # CONFIG_RCU_TRACE is not set
 CONFIG_RCU_FANOUT=32
 # CONFIG_RCU_FANOUT_EXACT is not set
@@ -127,14 +134,41 @@ CONFIG_LBDAF=y
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
-# CONFIG_DEFAULT_AS is not set
 # CONFIG_DEFAULT_DEADLINE is not set
 CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
 # CONFIG_FREEZER is not set
 
 #
@@ -163,6 +197,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_IXP2000 is not set
 # CONFIG_ARCH_IXP4XX is not set
 # CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
 CONFIG_ARCH_KIRKWOOD=y
 # CONFIG_ARCH_LOKI is not set
 # CONFIG_ARCH_MV78XX0 is not set
@@ -185,6 +220,7 @@ CONFIG_ARCH_KIRKWOOD=y
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
 # CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
 
 #
 # Marvell Kirkwood Implementations
@@ -195,7 +231,11 @@ CONFIG_MACH_RD88F6281=y
 CONFIG_MACH_MV88F6281GTW_GE=y
 CONFIG_MACH_SHEEVAPLUG=y
 CONFIG_MACH_TS219=y
+CONFIG_MACH_TS41X=y
+CONFIG_MACH_OPENRD=y
 CONFIG_MACH_OPENRD_BASE=y
+CONFIG_MACH_OPENRD_CLIENT=y
+CONFIG_MACH_NETSPACE_V2=y
 CONFIG_PLAT_ORION=y
 
 #
@@ -262,12 +302,10 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
-CONFIG_SPLIT_PTLOCK_CPUS=4096
+CONFIG_SPLIT_PTLOCK_CPUS=999999
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
-CONFIG_HAVE_MLOCK=y
-CONFIG_HAVE_MLOCKED_PAGE_BIT=y
 # CONFIG_KSM is not set
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_ALIGNMENT_TRAP=y
@@ -398,15 +436,18 @@ CONFIG_NET_PKTGEN=m
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
 CONFIG_WIRELESS=y
+CONFIG_WIRELESS_EXT=y
+CONFIG_WEXT_CORE=y
+CONFIG_WEXT_PROC=y
+CONFIG_WEXT_SPY=y
 CONFIG_CFG80211=y
 # CONFIG_NL80211_TESTMODE is not set
 # CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
 # CONFIG_CFG80211_REG_DEBUG is not set
 CONFIG_CFG80211_DEFAULT_PS=y
-CONFIG_CFG80211_DEFAULT_PS_VALUE=1
 # CONFIG_CFG80211_DEBUGFS is not set
 CONFIG_WIRELESS_OLD_REGULATORY=y
-CONFIG_WIRELESS_EXT=y
+CONFIG_CFG80211_WEXT=y
 CONFIG_WIRELESS_EXT_SYSFS=y
 CONFIG_LIB80211=y
 # CONFIG_LIB80211_DEBUG is not set
@@ -556,6 +597,10 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
 # CONFIG_BLK_DEV_NBD is not set
 # CONFIG_BLK_DEV_SX8 is not set
 # CONFIG_BLK_DEV_UB is not set
@@ -606,7 +651,9 @@ CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_SCSI_BNX2_ISCSI is not set
 # CONFIG_BE2ISCSI is not set
 # CONFIG_BLK_DEV_3W_XXXX_RAID is not set
+# CONFIG_SCSI_HPSA is not set
 # CONFIG_SCSI_3W_9XXX is not set
+# CONFIG_SCSI_3W_SAS is not set
 # CONFIG_SCSI_ACARD is not set
 # CONFIG_SCSI_AACRAID is not set
 # CONFIG_SCSI_AIC7XXX is not set
@@ -642,6 +689,7 @@ CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_SCSI_NSP32 is not set
 # CONFIG_SCSI_DEBUG is not set
 # CONFIG_SCSI_PMCRAID is not set
+# CONFIG_SCSI_PM8001 is not set
 # CONFIG_SCSI_SRP is not set
 # CONFIG_SCSI_BFA_FC is not set
 # CONFIG_SCSI_DH is not set
@@ -696,15 +744,16 @@ CONFIG_SATA_MV=y
 # CONFIG_PATA_NS87415 is not set
 # CONFIG_PATA_OPTI is not set
 # CONFIG_PATA_OPTIDMA is not set
+# CONFIG_PATA_PDC2027X is not set
 # CONFIG_PATA_PDC_OLD is not set
 # CONFIG_PATA_RADISYS is not set
 # CONFIG_PATA_RDC is not set
 # CONFIG_PATA_RZ1000 is not set
 # CONFIG_PATA_SC1200 is not set
 # CONFIG_PATA_SERVERWORKS is not set
-# CONFIG_PATA_PDC2027X is not set
 # CONFIG_PATA_SIL680 is not set
 # CONFIG_PATA_SIS is not set
+# CONFIG_PATA_TOSHIBA is not set
 # CONFIG_PATA_VIA is not set
 # CONFIG_PATA_WINBOND is not set
 # CONFIG_PATA_SCH is not set
@@ -720,7 +769,7 @@ CONFIG_SATA_MV=y
 #
 
 #
-# See the help texts for more information.
+# The newer stack is recommended.
 #
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
@@ -828,13 +877,6 @@ CONFIG_MV643XX_ETH=y
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_TR is not set
 CONFIG_WLAN=y
-# CONFIG_WLAN_PRE80211 is not set
-CONFIG_WLAN_80211=y
-CONFIG_LIBERTAS=y
-# CONFIG_LIBERTAS_USB is not set
-CONFIG_LIBERTAS_SDIO=y
-# CONFIG_LIBERTAS_SPI is not set
-# CONFIG_LIBERTAS_DEBUG is not set
 # CONFIG_LIBERTAS_THINFIRM is not set
 # CONFIG_ATMEL is not set
 # CONFIG_AT76C50X_USB is not set
@@ -846,19 +888,24 @@ CONFIG_LIBERTAS_SDIO=y
 # CONFIG_ADM8211 is not set
 # CONFIG_MAC80211_HWSIM is not set
 # CONFIG_MWL8K is not set
-# CONFIG_P54_COMMON is not set
 # CONFIG_ATH_COMMON is not set
+# CONFIG_B43 is not set
+# CONFIG_B43LEGACY is not set
+# CONFIG_HOSTAP is not set
 # CONFIG_IPW2100 is not set
 # CONFIG_IPW2200 is not set
 # CONFIG_IWLWIFI is not set
-# CONFIG_HOSTAP is not set
-# CONFIG_B43 is not set
-# CONFIG_B43LEGACY is not set
-# CONFIG_ZD1211RW is not set
-# CONFIG_RT2X00 is not set
+# CONFIG_IWM is not set
+CONFIG_LIBERTAS=y
+# CONFIG_LIBERTAS_USB is not set
+CONFIG_LIBERTAS_SDIO=y
+# CONFIG_LIBERTAS_SPI is not set
+# CONFIG_LIBERTAS_DEBUG is not set
 # CONFIG_HERMES is not set
+# CONFIG_P54_COMMON is not set
+# CONFIG_RT2X00 is not set
 # CONFIG_WL12XX is not set
-# CONFIG_IWM is not set
+# CONFIG_ZD1211RW is not set
 
 #
 # Enable WiMAX (Networking options) to see the WiMAX drivers
@@ -881,6 +928,7 @@ CONFIG_LIBERTAS_SDIO=y
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_VMXNET3 is not set
 # CONFIG_ISDN is not set
 # CONFIG_PHONE is not set
 
@@ -890,6 +938,7 @@ CONFIG_LIBERTAS_SDIO=y
 CONFIG_INPUT=y
 # CONFIG_INPUT_FF_MEMLESS is not set
 # CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
 
 #
 # Userland interfaces
@@ -933,6 +982,7 @@ CONFIG_SERIO_SERPORT=y
 # CONFIG_SERIO_PCIPS2 is not set
 CONFIG_SERIO_LIBPS2=y
 # CONFIG_SERIO_RAW is not set
+# CONFIG_SERIO_ALTERA_PS2 is not set
 # CONFIG_GAMEPORT is not set
 
 #
@@ -1019,11 +1069,6 @@ CONFIG_I2C_MV64XXX=y
 # CONFIG_I2C_TINY_USB is not set
 
 #
-# Graphics adapter I2C/DDC channel drivers
-#
-# CONFIG_I2C_VOODOO3 is not set
-
-#
 # Other I2C/SMBus bus drivers
 #
 # CONFIG_I2C_PCA_PLATFORM is not set
@@ -1032,7 +1077,6 @@ CONFIG_I2C_MV64XXX=y
 #
 # Miscellaneous I2C Chip support
 #
-# CONFIG_DS1682 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
@@ -1048,6 +1092,8 @@ CONFIG_SPI_MASTER=y
 # CONFIG_SPI_BITBANG is not set
 # CONFIG_SPI_GPIO is not set
 CONFIG_SPI_ORION=y
+# CONFIG_SPI_XILINX is not set
+# CONFIG_SPI_DESIGNWARE is not set
 
 #
 # SPI Protocol Masters
@@ -1074,10 +1120,12 @@ CONFIG_GPIO_SYSFS=y
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
 #
+# CONFIG_GPIO_CS5535 is not set
 # CONFIG_GPIO_BT8XX is not set
 # CONFIG_GPIO_LANGWELL is not set
 
@@ -1116,6 +1164,7 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_TMIO is not set
 # CONFIG_MFD_TC6393XB is not set
 # CONFIG_PMIC_DA903X is not set
+# CONFIG_PMIC_ADP5520 is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
@@ -1123,6 +1172,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_MC13783 is not set
 # CONFIG_AB3100_CORE is not set
 # CONFIG_EZX_PCAP is not set
+# CONFIG_MFD_88PM8607 is not set
+# CONFIG_AB4500_CORE is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
@@ -1305,6 +1356,7 @@ CONFIG_USB_STORAGE_JUMPSHOT=y
 # OTG and related infrastructure
 #
 # CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_USB_ULPI is not set
 # CONFIG_NOP_USB_XCEIV is not set
 # CONFIG_UWB is not set
 CONFIG_MMC=y
@@ -1344,6 +1396,7 @@ CONFIG_LEDS_GPIO_PLATFORM=y
 # CONFIG_LEDS_PCA955X is not set
 # CONFIG_LEDS_DAC124S085 is not set
 # CONFIG_LEDS_BD2802 is not set
+# CONFIG_LEDS_LT3593 is not set
 
 #
 # LED Triggers
@@ -1388,6 +1441,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_PCF8563 is not set
 # CONFIG_RTC_DRV_PCF8583 is not set
 # CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_BQ32K is not set
 CONFIG_RTC_DRV_S35390A=y
 # CONFIG_RTC_DRV_FM3130 is not set
 # CONFIG_RTC_DRV_RX8581 is not set
@@ -1417,7 +1471,9 @@ CONFIG_RTC_DRV_S35390A=y
 # CONFIG_RTC_DRV_M48T86 is not set
 # CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_MSM6242 is not set
 # CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_RP5C01 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -1684,7 +1740,9 @@ CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_ERRORS=y
 # CONFIG_DEBUG_STACK_USAGE is not set
 CONFIG_DEBUG_LL=y
+# CONFIG_EARLY_PRINTK is not set
 # CONFIG_DEBUG_ICEDCC is not set
+# CONFIG_OC_ETM is not set
 
 #
 # Security options
@@ -1692,7 +1750,11 @@ CONFIG_DEBUG_LL=y
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
 # CONFIG_SECURITYFS is not set
-# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
 CONFIG_CRYPTO=y
 
 #
diff --git a/arch/arm/configs/mini2440_defconfig b/arch/arm/configs/mini2440_defconfig
index d2a90eb844a9..ff44bd1615c0 100644
--- a/arch/arm/configs/mini2440_defconfig
+++ b/arch/arm/configs/mini2440_defconfig
@@ -184,7 +184,7 @@ CONFIG_S3C24XX_PWM=y
 CONFIG_S3C24XX_GPIO_EXTRA=0
 CONFIG_S3C2410_DMA=y
 # CONFIG_S3C2410_DMA_DEBUG is not set
-CONFIG_S3C24XX_ADC=y
+CONFIG_S3C_ADC=y
 CONFIG_PLAT_S3C=y
 CONFIG_CPU_LLSERIAL_S3C2440_ONLY=y
 CONFIG_CPU_LLSERIAL_S3C2440=y
@@ -199,8 +199,8 @@ CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
 #
 # Power management
 #
-# CONFIG_S3C2410_PM_DEBUG is not set
-# CONFIG_S3C2410_PM_CHECK is not set
+# CONFIG_SAMSUNG_PM_DEBUG is not set
+# CONFIG_SAMSUNG_PM_CHECK is not set
 CONFIG_S3C_LOWLEVEL_UART_PORT=0
 CONFIG_S3C_GPIO_SPACE=0
 
diff --git a/arch/arm/configs/mmp2_defconfig b/arch/arm/configs/mmp2_defconfig
new file mode 100644
index 000000000000..03f76cfc941c
--- /dev/null
+++ b/arch/arm/configs/mmp2_defconfig
@@ -0,0 +1,1194 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.33-rc2
+# Tue Jan  5 13:55:22 2010
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_IPC_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+# CONFIG_NET_NS is not set
+# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+# CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+CONFIG_MODULE_FORCE_UNLOAD=y
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+# CONFIG_FREEZER is not set
+
+#
+# System Type
+#
+CONFIG_MMU=y
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_NOMADIK is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_ORION5X is not set
+CONFIG_ARCH_MMP=y
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
+# CONFIG_MACH_TAVOREVB is not set
+
+#
+# Marvell PXA168/910/MMP2 Implmentations
+#
+# CONFIG_MACH_ASPENITE is not set
+# CONFIG_MACH_ZYLONITE2 is not set
+# CONFIG_MACH_TTC_DKB is not set
+CONFIG_MACH_FLINT=y
+CONFIG_CPU_MMP2=y
+CONFIG_PLAT_PXA=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_V6=y
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_32v6=y
+CONFIG_CPU_ABRT_EV6=y
+CONFIG_CPU_PABRT_V6=y
+CONFIG_CPU_CACHE_V6=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V6=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_ARM_L1_CACHE_SHIFT=5
+# CONFIG_ARM_ERRATA_411920 is not set
+CONFIG_COMMON_CLKDEV=y
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+# CONFIG_NO_HZ is not set
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+# CONFIG_PREEMPT_NONE is not set
+# CONFIG_PREEMPT_VOLUNTARY is not set
+CONFIG_PREEMPT=y
+CONFIG_HZ=100
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0x0
+CONFIG_ZBOOT_ROM_BSS=0x0
+CONFIG_CMDLINE="root=/dev/nfs rootfstype=nfs nfsroot=192.168.1.100:/nfsroot/ ip=192.168.1.101:192.168.1.100::255.255.255.0::eth0:on console=ttyS0,115200 mem=128M user_debug=255"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_IDLE is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+# CONFIG_FPE_NWFPE is not set
+# CONFIG_FPE_FASTFPE is not set
+CONFIG_VFP=y
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+CONFIG_WIRELESS=y
+# CONFIG_CFG80211 is not set
+# CONFIG_LIB80211 is not set
+
+#
+# CFG80211 needs to be enabled for MAC80211
+#
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH=""
+# CONFIG_DEVTMPFS is not set
+# CONFIG_STANDALONE is not set
+# CONFIG_PREVENT_FIRMWARE_BUILD is not set
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+# CONFIG_MTD_CHAR is not set
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+# CONFIG_MTD_CFI is not set
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+# CONFIG_MTD_NAND_GPIO is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_PXA3xx is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+CONFIG_MTD_ONENAND=y
+# CONFIG_MTD_ONENAND_VERIFY_WRITE is not set
+CONFIG_MTD_ONENAND_GENERIC=y
+# CONFIG_MTD_ONENAND_OTP is not set
+# CONFIG_MTD_ONENAND_2X_PROGRAM is not set
+# CONFIG_MTD_ONENAND_SIM is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+# CONFIG_BLK_DEV is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+# CONFIG_PHYLIB is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+CONFIG_SMC91X=y
+# CONFIG_DM9000 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMC911X is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851_MLL is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+CONFIG_WLAN=y
+# CONFIG_HOSTAP is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_PXA=y
+CONFIG_SERIAL_PXA_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
+# CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_DESIGNWARE is not set
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+CONFIG_I2C_PXA=y
+# CONFIG_I2C_PXA_SLAVE is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+
+#
+# AC97 GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+CONFIG_MFD_CORE=y
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_AB3100_CORE is not set
+CONFIG_MFD_88PM8607=y
+CONFIG_REGULATOR=y
+# CONFIG_REGULATOR_DEBUG is not set
+# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
+# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
+# CONFIG_REGULATOR_USERSPACE_CONSUMER is not set
+# CONFIG_REGULATOR_BQ24022 is not set
+# CONFIG_REGULATOR_MAX1586 is not set
+CONFIG_REGULATOR_MAX8660=y
+# CONFIG_REGULATOR_LP3971 is not set
+# CONFIG_REGULATOR_TPS65023 is not set
+# CONFIG_REGULATOR_TPS6507X is not set
+CONFIG_REGULATOR_88PM8607=y
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+CONFIG_LCD_CLASS_DEVICE=y
+# CONFIG_LCD_ILI9320 is not set
+# CONFIG_LCD_PLATFORM is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+CONFIG_BACKLIGHT_GENERIC=y
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_BQ32K is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
+
+#
+# SPI RTC drivers
+#
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_MSM6242 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_RP5C01 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+# CONFIG_EXT2_FS is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
+CONFIG_EXT4_USE_FOR_EXT23=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+CONFIG_GENERIC_ACL=y
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+# CONFIG_MSDOS_FS is not set
+# CONFIG_VFAT_FS is not set
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=y
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+CONFIG_CRAMFS=y
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=y
+# CONFIG_NFS_V4_1 is not set
+CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_ACL_SUPPORT=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+# CONFIG_NLS is not set
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+CONFIG_PRINTK_TIME=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+# CONFIG_DEBUG_PREEMPT is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+CONFIG_FTRACE=y
+# CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_PREEMPT_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
+# CONFIG_BOOT_TRACER is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_LL=y
+# CONFIG_EARLY_PRINTK is not set
+# CONFIG_DEBUG_ICEDCC is not set
+# CONFIG_OC_ETM is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AEAD2=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_BLKCIPHER2=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_PCOMP=y
+CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+CONFIG_CRYPTO_WORKQUEUE=y
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=y
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/arm/configs/mv78xx0_defconfig b/arch/arm/configs/mv78xx0_defconfig
index 6afa2c108eaa..da4710dd1da1 100644
--- a/arch/arm/configs/mv78xx0_defconfig
+++ b/arch/arm/configs/mv78xx0_defconfig
@@ -176,6 +176,7 @@ CONFIG_ARCH_MV78XX0=y
 #
 CONFIG_MACH_DB78X00_BP=y
 CONFIG_MACH_RD78X00_MASA=y
+CONFIG_MACH_TERASTATION_WXL=y
 CONFIG_PLAT_ORION=y
 
 #
diff --git a/arch/arm/configs/mx1ads_defconfig b/arch/arm/configs/mx1ads_defconfig
deleted file mode 100644
index 3cabbb6d9276..000000000000
--- a/arch/arm/configs/mx1ads_defconfig
+++ /dev/null
@@ -1,742 +0,0 @@
-#
-# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc1-bk2
-# Sun Mar 27 02:15:46 2005
-#
-CONFIG_ARM=y
-CONFIG_MMU=y
-CONFIG_UID16=y
-CONFIG_RWSEM_GENERIC_SPINLOCK=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
-CONFIG_GENERIC_IOMAP=y
-
-#
-# Code maturity level options
-#
-CONFIG_EXPERIMENTAL=y
-CONFIG_CLEAN_COMPILE=y
-CONFIG_BROKEN_ON_SMP=y
-CONFIG_LOCK_KERNEL=y
-
-#
-# General setup
-#
-CONFIG_LOCALVERSION=""
-CONFIG_SWAP=y
-CONFIG_SYSVIPC=y
-# CONFIG_POSIX_MQUEUE is not set
-# CONFIG_BSD_PROCESS_ACCT is not set
-# CONFIG_SYSCTL is not set
-# CONFIG_AUDIT is not set
-# CONFIG_HOTPLUG is not set
-CONFIG_KOBJECT_UEVENT=y
-# CONFIG_IKCONFIG is not set
-CONFIG_EMBEDDED=y
-# CONFIG_KALLSYMS is not set
-CONFIG_BASE_FULL=y
-CONFIG_FUTEX=y
-CONFIG_EPOLL=y
-CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_SHMEM=y
-CONFIG_CC_ALIGN_FUNCTIONS=0
-CONFIG_CC_ALIGN_LABELS=0
-CONFIG_CC_ALIGN_LOOPS=0
-CONFIG_CC_ALIGN_JUMPS=0
-# CONFIG_TINY_SHMEM is not set
-CONFIG_BASE_SMALL=0
-
-#
-# Loadable module support
-#
-CONFIG_MODULES=y
-CONFIG_MODULE_UNLOAD=y
-# CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_OBSOLETE_MODPARM=y
-# CONFIG_MODVERSIONS is not set
-# CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_KMOD=y
-
-#
-# System Type
-#
-# CONFIG_ARCH_CLPS7500 is not set
-# CONFIG_ARCH_CLPS711X is not set
-# CONFIG_ARCH_CO285 is not set
-# CONFIG_ARCH_EBSA110 is not set
-# CONFIG_ARCH_FOOTBRIDGE is not set
-# CONFIG_ARCH_INTEGRATOR is not set
-# CONFIG_ARCH_IOP3XX is not set
-# CONFIG_ARCH_IXP4XX is not set
-# CONFIG_ARCH_IXP2000 is not set
-# CONFIG_ARCH_L7200 is not set
-# CONFIG_ARCH_PXA is not set
-# CONFIG_ARCH_RPC is not set
-# CONFIG_ARCH_SA1100 is not set
-# CONFIG_ARCH_S3C2410 is not set
-# CONFIG_ARCH_SHARK is not set
-# CONFIG_ARCH_LH7A40X is not set
-# CONFIG_ARCH_OMAP is not set
-# CONFIG_ARCH_VERSATILE is not set
-CONFIG_ARCH_IMX=y
-# CONFIG_ARCH_H720X is not set
-
-#
-# IMX Implementations
-#
-CONFIG_ARCH_MX1ADS=y
-
-#
-# Processor Type
-#
-CONFIG_CPU_ARM920T=y
-CONFIG_CPU_32v4=y
-CONFIG_CPU_ABRT_EV4T=y
-CONFIG_CPU_CACHE_V4WT=y
-CONFIG_CPU_CACHE_VIVT=y
-CONFIG_CPU_COPY_V4WB=y
-CONFIG_CPU_TLB_V4WBI=y
-
-#
-# Processor Features
-#
-# CONFIG_ARM_THUMB is not set
-# CONFIG_CPU_ICACHE_DISABLE is not set
-# CONFIG_CPU_DCACHE_DISABLE is not set
-# CONFIG_CPU_DCACHE_WRITETHROUGH is not set
-
-#
-# Bus support
-#
-CONFIG_ISA=y
-
-#
-# PCCARD (PCMCIA/CardBus) support
-#
-# CONFIG_PCCARD is not set
-
-#
-# Kernel Features
-#
-CONFIG_PREEMPT=y
-# CONFIG_LEDS is not set
-CONFIG_ALIGNMENT_TRAP=y
-
-#
-# Boot options
-#
-CONFIG_ZBOOT_ROM_TEXT=0x0
-CONFIG_ZBOOT_ROM_BSS=0x0
-CONFIG_CMDLINE="console=ttySMX0,57600n8 ip=bootp root=/dev/nfs"
-# CONFIG_XIP_KERNEL is not set
-
-#
-# Floating point emulation
-#
-
-#
-# At least one emulation must be selected
-#
-CONFIG_FPE_NWFPE=y
-CONFIG_FPE_NWFPE_XP=y
-CONFIG_FPE_FASTFPE=y
-
-#
-# Userspace binary formats
-#
-CONFIG_BINFMT_ELF=y
-# CONFIG_BINFMT_AOUT is not set
-# CONFIG_BINFMT_MISC is not set
-# CONFIG_ARTHUR is not set
-
-#
-# Power management options
-#
-# CONFIG_PM is not set
-
-#
-# Device Drivers
-#
-
-#
-# Generic Driver Options
-#
-CONFIG_STANDALONE=y
-CONFIG_PREVENT_FIRMWARE_BUILD=y
-# CONFIG_FW_LOADER is not set
-# CONFIG_DEBUG_DRIVER is not set
-
-#
-# Memory Technology Devices (MTD)
-#
-CONFIG_MTD=y
-# CONFIG_MTD_DEBUG is not set
-# CONFIG_MTD_CONCAT is not set
-CONFIG_MTD_PARTITIONS=y
-# CONFIG_MTD_REDBOOT_PARTS is not set
-# CONFIG_MTD_CMDLINE_PARTS is not set
-# CONFIG_MTD_AFS_PARTS is not set
-
-#
-# User Modules And Translation Layers
-#
-CONFIG_MTD_CHAR=y
-CONFIG_MTD_BLOCK=y
-# CONFIG_FTL is not set
-# CONFIG_NFTL is not set
-# CONFIG_INFTL is not set
-
-#
-# RAM/ROM/Flash chip drivers
-#
-# CONFIG_MTD_CFI is not set
-# CONFIG_MTD_JEDECPROBE is not set
-CONFIG_MTD_MAP_BANK_WIDTH_1=y
-CONFIG_MTD_MAP_BANK_WIDTH_2=y
-CONFIG_MTD_MAP_BANK_WIDTH_4=y
-# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
-# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
-# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
-CONFIG_MTD_CFI_I1=y
-CONFIG_MTD_CFI_I2=y
-# CONFIG_MTD_CFI_I4 is not set
-# CONFIG_MTD_CFI_I8 is not set
-# CONFIG_MTD_RAM is not set
-CONFIG_MTD_ROM=y
-# CONFIG_MTD_ABSENT is not set
-
-#
-# Mapping drivers for chip access
-#
-# CONFIG_MTD_COMPLEX_MAPPINGS is not set
-
-#
-# Self-contained MTD device drivers
-#
-# CONFIG_MTD_SLRAM is not set
-# CONFIG_MTD_PHRAM is not set
-# CONFIG_MTD_MTDRAM is not set
-# CONFIG_MTD_BLKMTD is not set
-# CONFIG_MTD_BLOCK2MTD is not set
-
-#
-# Disk-On-Chip Device Drivers
-#
-# CONFIG_MTD_DOC2000 is not set
-# CONFIG_MTD_DOC2001 is not set
-# CONFIG_MTD_DOC2001PLUS is not set
-
-#
-# NAND Flash Device Drivers
-#
-# CONFIG_MTD_NAND is not set
-
-#
-# Parallel port support
-#
-# CONFIG_PARPORT is not set
-
-#
-# Plug and Play support
-#
-# CONFIG_PNP is not set
-
-#
-# Block devices
-#
-# CONFIG_BLK_DEV_FD is not set
-# CONFIG_BLK_DEV_XD is not set
-# CONFIG_BLK_DEV_COW_COMMON is not set
-CONFIG_BLK_DEV_LOOP=y
-# CONFIG_BLK_DEV_CRYPTOLOOP is not set
-# CONFIG_BLK_DEV_NBD is not set
-# CONFIG_BLK_DEV_RAM is not set
-CONFIG_BLK_DEV_RAM_COUNT=16
-CONFIG_INITRAMFS_SOURCE=""
-# CONFIG_CDROM_PKTCDVD is not set
-
-#
-# IO Schedulers
-#
-CONFIG_IOSCHED_NOOP=y
-# CONFIG_IOSCHED_AS is not set
-CONFIG_IOSCHED_DEADLINE=y
-CONFIG_IOSCHED_CFQ=y
-# CONFIG_ATA_OVER_ETH is not set
-
-#
-# SCSI device support
-#
-# CONFIG_SCSI is not set
-
-#
-# Multi-device support (RAID and LVM)
-#
-# CONFIG_MD is not set
-
-#
-# Fusion MPT device support
-#
-
-#
-# IEEE 1394 (FireWire) support
-#
-
-#
-# I2O device support
-#
-
-#
-# Networking support
-#
-CONFIG_NET=y
-
-#
-# Networking options
-#
-CONFIG_PACKET=m
-CONFIG_PACKET_MMAP=y
-# CONFIG_NETLINK_DEV is not set
-CONFIG_UNIX=y
-# CONFIG_NET_KEY is not set
-CONFIG_INET=y
-# CONFIG_IP_MULTICAST is not set
-# CONFIG_IP_ADVANCED_ROUTER is not set
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-CONFIG_IP_PNP_BOOTP=y
-# CONFIG_IP_PNP_RARP is not set
-# CONFIG_NET_IPIP is not set
-# CONFIG_NET_IPGRE is not set
-# CONFIG_ARPD is not set
-# CONFIG_SYN_COOKIES is not set
-# CONFIG_INET_AH is not set
-# CONFIG_INET_ESP is not set
-# CONFIG_INET_IPCOMP is not set
-# CONFIG_INET_TUNNEL is not set
-CONFIG_IP_TCPDIAG=y
-# CONFIG_IP_TCPDIAG_IPV6 is not set
-# CONFIG_IPV6 is not set
-# CONFIG_NETFILTER is not set
-
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
-# CONFIG_IP_SCTP is not set
-# CONFIG_ATM is not set
-# CONFIG_BRIDGE is not set
-# CONFIG_VLAN_8021Q is not set
-# CONFIG_DECNET is not set
-# CONFIG_LLC2 is not set
-# CONFIG_IPX is not set
-# CONFIG_ATALK is not set
-# CONFIG_X25 is not set
-# CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
-# CONFIG_ECONET is not set
-# CONFIG_WAN_ROUTER is not set
-
-#
-# QoS and/or fair queueing
-#
-# CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
-
-#
-# Network testing
-#
-# CONFIG_NET_PKTGEN is not set
-# CONFIG_NETPOLL is not set
-# CONFIG_NET_POLL_CONTROLLER is not set
-# CONFIG_HAMRADIO is not set
-# CONFIG_IRDA is not set
-# CONFIG_BT is not set
-CONFIG_NETDEVICES=y
-# CONFIG_DUMMY is not set
-# CONFIG_BONDING is not set
-# CONFIG_EQUALIZER is not set
-# CONFIG_TUN is not set
-
-#
-# ARCnet devices
-#
-# CONFIG_ARCNET is not set
-
-#
-# Ethernet (10 or 100Mbit)
-#
-CONFIG_NET_ETHERNET=y
-CONFIG_MII=y
-# CONFIG_NET_VENDOR_3COM is not set
-# CONFIG_LANCE is not set
-# CONFIG_NET_VENDOR_SMC is not set
-# CONFIG_SMC91X is not set
-# CONFIG_NET_VENDOR_RACAL is not set
-# CONFIG_AT1700 is not set
-# CONFIG_DEPCA is not set
-# CONFIG_HP100 is not set
-# CONFIG_NET_ISA is not set
-# CONFIG_NET_PCI is not set
-# CONFIG_NET_POCKET is not set
-
-#
-# Ethernet (1000 Mbit)
-#
-
-#
-# Ethernet (10000 Mbit)
-#
-
-#
-# Token Ring devices
-#
-# CONFIG_TR is not set
-
-#
-# Wireless LAN (non-hamradio)
-#
-# CONFIG_NET_RADIO is not set
-
-#
-# Wan interfaces
-#
-# CONFIG_WAN is not set
-CONFIG_PPP=y
-# CONFIG_PPP_MULTILINK is not set
-CONFIG_PPP_FILTER=y
-CONFIG_PPP_ASYNC=y
-# CONFIG_PPP_SYNC_TTY is not set
-CONFIG_PPP_DEFLATE=y
-CONFIG_PPP_BSDCOMP=y
-# CONFIG_PPPOE is not set
-# CONFIG_SLIP is not set
-# CONFIG_SHAPER is not set
-# CONFIG_NETCONSOLE is not set
-
-#
-# ISDN subsystem
-#
-# CONFIG_ISDN is not set
-
-#
-# Input device support
-#
-# CONFIG_INPUT is not set
-
-#
-# Hardware I/O ports
-#
-# CONFIG_SERIO is not set
-# CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
-
-#
-# Character devices
-#
-# CONFIG_VT is not set
-# CONFIG_SERIAL_NONSTANDARD is not set
-
-#
-# Serial drivers
-#
-# CONFIG_SERIAL_8250 is not set
-
-#
-# Non-8250 serial port support
-#
-CONFIG_SERIAL_IMX=y
-CONFIG_SERIAL_IMX_CONSOLE=y
-CONFIG_SERIAL_CORE=y
-CONFIG_SERIAL_CORE_CONSOLE=y
-CONFIG_UNIX98_PTYS=y
-# CONFIG_LEGACY_PTYS is not set
-
-#
-# IPMI
-#
-# CONFIG_IPMI_HANDLER is not set
-
-#
-# Watchdog Cards
-#
-# CONFIG_WATCHDOG is not set
-# CONFIG_NVRAM is not set
-CONFIG_RTC=m
-# CONFIG_DTLK is not set
-# CONFIG_R3964 is not set
-
-#
-# Ftape, the floppy tape device driver
-#
-# CONFIG_DRM is not set
-# CONFIG_RAW_DRIVER is not set
-
-#
-# TPM devices
-#
-# CONFIG_TCG_TPM is not set
-
-#
-# I2C support
-#
-# CONFIG_I2C is not set
-
-#
-# Misc devices
-#
-
-#
-# Multimedia devices
-#
-# CONFIG_VIDEO_DEV is not set
-
-#
-# Digital Video Broadcasting Devices
-#
-# CONFIG_DVB is not set
-
-#
-# Graphics support
-#
-# CONFIG_FB is not set
-
-#
-# Sound
-#
-# CONFIG_SOUND is not set
-
-#
-# USB support
-#
-CONFIG_USB_ARCH_HAS_HCD=y
-# CONFIG_USB_ARCH_HAS_OHCI is not set
-# CONFIG_USB is not set
-
-#
-# USB Gadget Support
-#
-# CONFIG_USB_GADGET is not set
-
-#
-# MMC/SD Card support
-#
-# CONFIG_MMC is not set
-
-#
-# File systems
-#
-# CONFIG_EXT2_FS is not set
-# CONFIG_EXT3_FS is not set
-# CONFIG_JBD is not set
-# CONFIG_REISERFS_FS is not set
-# CONFIG_JFS_FS is not set
-
-#
-# XFS support
-#
-# CONFIG_XFS_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
-# CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
-# CONFIG_AUTOFS_FS is not set
-# CONFIG_AUTOFS4_FS is not set
-
-#
-# CD-ROM/DVD Filesystems
-#
-# CONFIG_ISO9660_FS is not set
-# CONFIG_UDF_FS is not set
-
-#
-# DOS/FAT/NT Filesystems
-#
-CONFIG_FAT_FS=y
-CONFIG_MSDOS_FS=y
-CONFIG_VFAT_FS=y
-CONFIG_FAT_DEFAULT_CODEPAGE=437
-CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
-# CONFIG_NTFS_FS is not set
-
-#
-# Pseudo filesystems
-#
-CONFIG_PROC_FS=y
-CONFIG_SYSFS=y
-CONFIG_DEVFS_FS=y
-CONFIG_DEVFS_MOUNT=y
-# CONFIG_DEVFS_DEBUG is not set
-# CONFIG_DEVPTS_FS_XATTR is not set
-CONFIG_TMPFS=y
-# CONFIG_TMPFS_XATTR is not set
-# CONFIG_HUGETLB_PAGE is not set
-CONFIG_RAMFS=y
-
-#
-# Miscellaneous filesystems
-#
-# CONFIG_ADFS_FS is not set
-# CONFIG_AFFS_FS is not set
-# CONFIG_HFS_FS is not set
-# CONFIG_HFSPLUS_FS is not set
-# CONFIG_BEFS_FS is not set
-# CONFIG_BFS_FS is not set
-# CONFIG_EFS_FS is not set
-# CONFIG_JFFS_FS is not set
-CONFIG_JFFS2_FS=y
-CONFIG_JFFS2_FS_DEBUG=0
-# CONFIG_JFFS2_FS_NAND is not set
-# CONFIG_JFFS2_FS_NOR_ECC is not set
-# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
-CONFIG_JFFS2_ZLIB=y
-CONFIG_JFFS2_RTIME=y
-# CONFIG_JFFS2_RUBIN is not set
-CONFIG_CRAMFS=y
-# CONFIG_VXFS_FS is not set
-# CONFIG_HPFS_FS is not set
-# CONFIG_QNX4FS_FS is not set
-# CONFIG_SYSV_FS is not set
-# CONFIG_UFS_FS is not set
-
-#
-# Network File Systems
-#
-CONFIG_NFS_FS=y
-CONFIG_NFS_V3=y
-# CONFIG_NFS_V4 is not set
-# CONFIG_NFS_DIRECTIO is not set
-# CONFIG_NFSD is not set
-CONFIG_ROOT_NFS=y
-CONFIG_LOCKD=y
-CONFIG_LOCKD_V4=y
-CONFIG_SUNRPC=y
-# CONFIG_RPCSEC_GSS_KRB5 is not set
-# CONFIG_RPCSEC_GSS_SPKM3 is not set
-# CONFIG_SMB_FS is not set
-# CONFIG_CIFS is not set
-# CONFIG_NCP_FS is not set
-# CONFIG_CODA_FS is not set
-# CONFIG_AFS_FS is not set
-
-#
-# Partition Types
-#
-# CONFIG_PARTITION_ADVANCED is not set
-CONFIG_MSDOS_PARTITION=y
-
-#
-# Native Language Support
-#
-CONFIG_NLS=y
-CONFIG_NLS_DEFAULT="iso8859-1"
-# CONFIG_NLS_CODEPAGE_437 is not set
-# CONFIG_NLS_CODEPAGE_737 is not set
-# CONFIG_NLS_CODEPAGE_775 is not set
-# CONFIG_NLS_CODEPAGE_850 is not set
-# CONFIG_NLS_CODEPAGE_852 is not set
-# CONFIG_NLS_CODEPAGE_855 is not set
-# CONFIG_NLS_CODEPAGE_857 is not set
-# CONFIG_NLS_CODEPAGE_860 is not set
-# CONFIG_NLS_CODEPAGE_861 is not set
-# CONFIG_NLS_CODEPAGE_862 is not set
-# CONFIG_NLS_CODEPAGE_863 is not set
-# CONFIG_NLS_CODEPAGE_864 is not set
-# CONFIG_NLS_CODEPAGE_865 is not set
-# CONFIG_NLS_CODEPAGE_866 is not set
-# CONFIG_NLS_CODEPAGE_869 is not set
-# CONFIG_NLS_CODEPAGE_936 is not set
-# CONFIG_NLS_CODEPAGE_950 is not set
-# CONFIG_NLS_CODEPAGE_932 is not set
-# CONFIG_NLS_CODEPAGE_949 is not set
-# CONFIG_NLS_CODEPAGE_874 is not set
-# CONFIG_NLS_ISO8859_8 is not set
-# CONFIG_NLS_CODEPAGE_1250 is not set
-# CONFIG_NLS_CODEPAGE_1251 is not set
-# CONFIG_NLS_ASCII is not set
-# CONFIG_NLS_ISO8859_1 is not set
-# CONFIG_NLS_ISO8859_2 is not set
-# CONFIG_NLS_ISO8859_3 is not set
-# CONFIG_NLS_ISO8859_4 is not set
-# CONFIG_NLS_ISO8859_5 is not set
-# CONFIG_NLS_ISO8859_6 is not set
-# CONFIG_NLS_ISO8859_7 is not set
-# CONFIG_NLS_ISO8859_9 is not set
-# CONFIG_NLS_ISO8859_13 is not set
-# CONFIG_NLS_ISO8859_14 is not set
-# CONFIG_NLS_ISO8859_15 is not set
-# CONFIG_NLS_KOI8_R is not set
-# CONFIG_NLS_KOI8_U is not set
-# CONFIG_NLS_UTF8 is not set
-
-#
-# Profiling support
-#
-# CONFIG_PROFILING is not set
-
-#
-# Kernel hacking
-#
-# CONFIG_PRINTK_TIME is not set
-CONFIG_DEBUG_KERNEL=y
-CONFIG_MAGIC_SYSRQ=y
-CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_SCHEDSTATS is not set
-# CONFIG_DEBUG_SLAB is not set
-CONFIG_DEBUG_PREEMPT=y
-# CONFIG_DEBUG_SPINLOCK is not set
-# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
-# CONFIG_DEBUG_KOBJECT is not set
-CONFIG_DEBUG_BUGVERBOSE=y
-CONFIG_DEBUG_INFO=y
-# CONFIG_DEBUG_FS is not set
-CONFIG_FRAME_POINTER=y
-CONFIG_DEBUG_USER=y
-CONFIG_DEBUG_ERRORS=y
-# CONFIG_DEBUG_LL is not set
-
-#
-# Security options
-#
-# CONFIG_KEYS is not set
-# CONFIG_SECURITY is not set
-
-#
-# Cryptographic options
-#
-CONFIG_CRYPTO=y
-# CONFIG_CRYPTO_HMAC is not set
-# CONFIG_CRYPTO_NULL is not set
-# CONFIG_CRYPTO_MD4 is not set
-# CONFIG_CRYPTO_MD5 is not set
-# CONFIG_CRYPTO_SHA1 is not set
-# CONFIG_CRYPTO_SHA256 is not set
-# CONFIG_CRYPTO_SHA512 is not set
-# CONFIG_CRYPTO_WP512 is not set
-# CONFIG_CRYPTO_TGR192 is not set
-# CONFIG_CRYPTO_DES is not set
-# CONFIG_CRYPTO_BLOWFISH is not set
-# CONFIG_CRYPTO_TWOFISH is not set
-# CONFIG_CRYPTO_SERPENT is not set
-# CONFIG_CRYPTO_AES is not set
-# CONFIG_CRYPTO_CAST5 is not set
-# CONFIG_CRYPTO_CAST6 is not set
-# CONFIG_CRYPTO_TEA is not set
-# CONFIG_CRYPTO_ARC4 is not set
-# CONFIG_CRYPTO_KHAZAD is not set
-# CONFIG_CRYPTO_ANUBIS is not set
-# CONFIG_CRYPTO_DEFLATE is not set
-# CONFIG_CRYPTO_MICHAEL_MIC is not set
-# CONFIG_CRYPTO_CRC32C is not set
-# CONFIG_CRYPTO_TEST is not set
-
-#
-# Hardware crypto devices
-#
-
-#
-# Library routines
-#
-CONFIG_CRC_CCITT=y
-CONFIG_CRC32=y
-# CONFIG_LIBCRC32C is not set
-CONFIG_ZLIB_INFLATE=y
-CONFIG_ZLIB_DEFLATE=y
diff --git a/arch/arm/configs/mx27_defconfig b/arch/arm/configs/mx27_defconfig
index edfdd6faf800..b4c1366e9e0d 100644
--- a/arch/arm/configs/mx27_defconfig
+++ b/arch/arm/configs/mx27_defconfig
@@ -200,7 +200,7 @@ CONFIG_MACH_MX27ADS=y
 CONFIG_MACH_PCM038=y
 CONFIG_MACH_PCM970_BASEBOARD=y
 CONFIG_MACH_MX27_3DS=y
-CONFIG_MACH_MX27LITE=y
+CONFIG_MACH_IMX27LITE=y
 CONFIG_MXC_IRQ_PRIOR=y
 CONFIG_MXC_PWM=y
 
diff --git a/arch/arm/configs/mx51_defconfig b/arch/arm/configs/mx51_defconfig
new file mode 100644
index 000000000000..c88e9527a8ec
--- /dev/null
+++ b/arch/arm/configs/mx51_defconfig
@@ -0,0 +1,1286 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.33-rc6
+# Tue Feb  2 15:20:48 2010
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_MTD_XIP=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
+CONFIG_SWAP=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=18
+# CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+CONFIG_RELAY=y
+# CONFIG_NAMESPACES is not set
+# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+# CONFIG_SLUB_DEBUG is not set
+# CONFIG_COMPAT_BRK is not set
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+CONFIG_MODVERSIONS=y
+CONFIG_MODULE_SRCVERSION_ALL=y
+CONFIG_BLOCK=y
+# CONFIG_LBDAF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+CONFIG_INLINE_SPIN_UNLOCK=y
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+CONFIG_INLINE_READ_UNLOCK=y
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+CONFIG_INLINE_READ_UNLOCK_IRQ=y
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+CONFIG_INLINE_WRITE_UNLOCK=y
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+CONFIG_FREEZER=y
+
+#
+# System Type
+#
+CONFIG_MMU=y
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+CONFIG_ARCH_MXC=y
+# CONFIG_ARCH_STMP3XXX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_NOMADIK is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
+
+#
+# Freescale MXC Implementations
+#
+# CONFIG_ARCH_MX1 is not set
+# CONFIG_ARCH_MX2 is not set
+# CONFIG_ARCH_MX25 is not set
+# CONFIG_ARCH_MX3 is not set
+# CONFIG_ARCH_MXC91231 is not set
+CONFIG_ARCH_MX5=y
+CONFIG_ARCH_MX51=y
+
+#
+# MX5 platforms:
+#
+CONFIG_MACH_MX51_BABBAGE=y
+# CONFIG_MXC_IRQ_PRIOR is not set
+CONFIG_MXC_TZIC=y
+# CONFIG_MXC_PWM is not set
+CONFIG_ARCH_MXC_IOMUX_V3=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_V7=y
+CONFIG_CPU_32v7=y
+CONFIG_CPU_ABRT_EV7=y
+CONFIG_CPU_PABRT_V7=y
+CONFIG_CPU_CACHE_V7=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V7=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_ARM_THUMBEE is not set
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_HAS_TLS_REG=y
+CONFIG_ARM_L1_CACHE_SHIFT=5
+# CONFIG_ARM_ERRATA_430973 is not set
+# CONFIG_ARM_ERRATA_458693 is not set
+# CONFIG_ARM_ERRATA_460075 is not set
+CONFIG_COMMON_CLKDEV=y
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+# CONFIG_PREEMPT_NONE is not set
+CONFIG_PREEMPT_VOLUNTARY=y
+# CONFIG_PREEMPT is not set
+CONFIG_HZ=100
+# CONFIG_THUMB2_KERNEL is not set
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=32768
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0
+CONFIG_ZBOOT_ROM_BSS=0
+CONFIG_CMDLINE="noinitrd console=ttymxc0,115200 root=/dev/nfs nfsroot=192.168.0.101:/shared/nfs ip=dhcp"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_IDLE is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_VFP=y
+CONFIG_VFPv3=y
+CONFIG_NEON=y
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+CONFIG_BINFMT_MISC=m
+
+#
+# Power management options
+#
+CONFIG_PM=y
+CONFIG_PM_DEBUG=y
+# CONFIG_PM_VERBOSE is not set
+CONFIG_CAN_PM_TRACE=y
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_PM_TEST_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+# CONFIG_APM_EMULATION is not set
+# CONFIG_PM_RUNTIME is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH=""
+# CONFIG_STANDALONE is not set
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+CONFIG_CONNECTOR=y
+CONFIG_PROC_EVENTS=y
+# CONFIG_MTD is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_DRBD is not set
+# CONFIG_BLK_DEV_NBD is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=65536
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MG_DISK is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_SCSI_PROC_FS is not set
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+# CONFIG_CHR_DEV_SG is not set
+# CONFIG_CHR_DEV_SCH is not set
+CONFIG_SCSI_MULTI_LUN=y
+CONFIG_SCSI_CONSTANTS=y
+CONFIG_SCSI_LOGGING=y
+CONFIG_SCSI_SCAN_ASYNC=y
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+# CONFIG_SCSI_LOWLEVEL is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
+CONFIG_ATA=m
+# CONFIG_ATA_NONSTANDARD is not set
+CONFIG_ATA_VERBOSE_ERROR=y
+CONFIG_SATA_PMP=y
+CONFIG_ATA_SFF=y
+# CONFIG_SATA_MV is not set
+# CONFIG_PATA_PLATFORM is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+CONFIG_MARVELL_PHY=y
+CONFIG_DAVICOM_PHY=y
+CONFIG_QSEMI_PHY=y
+CONFIG_LXT_PHY=y
+CONFIG_CICADA_PHY=y
+CONFIG_VITESSE_PHY=y
+CONFIG_SMSC_PHY=y
+CONFIG_BROADCOM_PHY=y
+CONFIG_ICPLUS_PHY=y
+CONFIG_REALTEK_PHY=y
+CONFIG_NATIONAL_PHY=y
+CONFIG_STE10XP=y
+CONFIG_LSI_ET1011C_PHY=y
+CONFIG_FIXED_PHY=y
+CONFIG_MDIO_BITBANG=y
+CONFIG_MDIO_GPIO=y
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=m
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMC911X is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851_MLL is not set
+CONFIG_FEC=y
+# CONFIG_FEC2 is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+CONFIG_INPUT_FF_MEMLESS=m
+# CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+# CONFIG_INPUT_MOUSEDEV_PSAUX is not set
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+CONFIG_INPUT_EVBUG=m
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ADP5588 is not set
+CONFIG_KEYBOARD_ATKBD=y
+# CONFIG_QT2160 is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_LM8323 is not set
+# CONFIG_KEYBOARD_MAX7359 is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_OPENCORES is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+CONFIG_INPUT_MOUSE=y
+CONFIG_MOUSE_PS2=m
+CONFIG_MOUSE_PS2_ALPS=y
+CONFIG_MOUSE_PS2_LOGIPS2PP=y
+CONFIG_MOUSE_PS2_SYNAPTICS=y
+CONFIG_MOUSE_PS2_TRACKPOINT=y
+CONFIG_MOUSE_PS2_ELANTECH=y
+# CONFIG_MOUSE_PS2_SENTELIC is not set
+# CONFIG_MOUSE_PS2_TOUCHKIT is not set
+# CONFIG_MOUSE_SERIAL is not set
+# CONFIG_MOUSE_VSXXXAA is not set
+# CONFIG_MOUSE_GPIO is not set
+# CONFIG_MOUSE_SYNAPTICS_I2C is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_SERPORT=m
+CONFIG_SERIO_LIBPS2=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_SERIO_ALTERA_PS2 is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+CONFIG_VT_HW_CONSOLE_BINDING=y
+# CONFIG_DEVKMEM is not set
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_IMX=y
+CONFIG_SERIAL_IMX_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+# CONFIG_LEGACY_PTYS is not set
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+# CONFIG_I2C_COMPAT is not set
+CONFIG_I2C_CHARDEV=m
+# CONFIG_I2C_HELPER_AUTO is not set
+
+#
+# I2C Algorithms
+#
+CONFIG_I2C_ALGOBIT=m
+CONFIG_I2C_ALGOPCF=m
+CONFIG_I2C_ALGOPCA=m
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_DESIGNWARE is not set
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_IMX is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+CONFIG_GPIO_SYSFS=y
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+
+#
+# AC97 GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_MFD_88PM8607 is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD/SDIO Card Drivers
+#
+CONFIG_MMC_BLOCK=m
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+# CONFIG_MMC_TEST is not set
+
+#
+# MMC/SD/SDIO Host Controller Drivers
+#
+CONFIG_MMC_SDHCI=m
+# CONFIG_MMC_SDHCI_PLTFM is not set
+# CONFIG_MMC_AT91 is not set
+# CONFIG_MMC_ATMELMCI is not set
+# CONFIG_MMC_MXC is not set
+# CONFIG_MEMSTICK is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=m
+
+#
+# LED drivers
+#
+# CONFIG_LEDS_PCA9532 is not set
+# CONFIG_LEDS_GPIO is not set
+# CONFIG_LEDS_LP3944 is not set
+# CONFIG_LEDS_PCA955X is not set
+# CONFIG_LEDS_BD2802 is not set
+# CONFIG_LEDS_LT3593 is not set
+
+#
+# LED Triggers
+#
+# CONFIG_LEDS_TRIGGERS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+CONFIG_RTC_INTF_DEV_UIE_EMUL=y
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_BQ32K is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
+
+#
+# SPI RTC drivers
+#
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_MSM6242 is not set
+# CONFIG_RTC_MXC is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_RP5C01 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+CONFIG_EXT2_FS_XATTR=y
+CONFIG_EXT2_FS_POSIX_ACL=y
+CONFIG_EXT2_FS_SECURITY=y
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+CONFIG_EXT3_DEFAULTS_TO_ORDERED=y
+CONFIG_EXT3_FS_XATTR=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+CONFIG_EXT3_FS_SECURITY=y
+CONFIG_EXT4_FS=y
+CONFIG_EXT4_FS_XATTR=y
+CONFIG_EXT4_FS_POSIX_ACL=y
+CONFIG_EXT4_FS_SECURITY=y
+# CONFIG_EXT4_DEBUG is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
+CONFIG_JBD2=y
+# CONFIG_JBD2_DEBUG is not set
+CONFIG_FS_MBCACHE=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+CONFIG_QUOTA=y
+CONFIG_QUOTA_NETLINK_INTERFACE=y
+# CONFIG_PRINT_QUOTA_WARNING is not set
+# CONFIG_QFMT_V1 is not set
+# CONFIG_QFMT_V2 is not set
+CONFIG_QUOTACTL=y
+CONFIG_AUTOFS_FS=y
+CONFIG_AUTOFS4_FS=y
+CONFIG_FUSE_FS=y
+# CONFIG_CUSE is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+CONFIG_ZISOFS=y
+CONFIG_UDF_FS=m
+CONFIG_UDF_NLS=y
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+# CONFIG_TMPFS is not set
+# CONFIG_HUGETLB_PAGE is not set
+CONFIG_CONFIGFS_FS=m
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_ECRYPT_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=y
+# CONFIG_NFS_V4_1 is not set
+CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_ACL_SUPPORT=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="cp437"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=m
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+CONFIG_NLS_ISO8859_15=m
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=y
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+# CONFIG_DETECT_SOFTLOCKUP is not set
+# CONFIG_DETECT_HUNG_TASK is not set
+# CONFIG_SCHED_DEBUG is not set
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+# CONFIG_DEBUG_BUGVERBOSE is not set
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+# CONFIG_ARM_UNWIND is not set
+# CONFIG_DEBUG_USER is not set
+# CONFIG_DEBUG_ERRORS is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_LL=y
+CONFIG_EARLY_PRINTK=y
+# CONFIG_DEBUG_ICEDCC is not set
+# CONFIG_OC_ETM is not set
+
+#
+# Security options
+#
+CONFIG_KEYS=y
+# CONFIG_KEYS_DEBUG_PROC_KEYS is not set
+# CONFIG_SECURITY is not set
+CONFIG_SECURITYFS=y
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AEAD2=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_BLKCIPHER2=y
+CONFIG_CRYPTO_HASH=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_PCOMP=y
+CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+CONFIG_CRYPTO_WORKQUEUE=y
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+CONFIG_CRYPTO_CBC=y
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
+
+#
+# Digest
+#
+CONFIG_CRYPTO_CRC32C=m
+# CONFIG_CRYPTO_GHASH is not set
+# CONFIG_CRYPTO_MD4 is not set
+CONFIG_CRYPTO_MD5=y
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+CONFIG_CRYPTO_DES=y
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+CONFIG_CRYPTO_DEFLATE=y
+# CONFIG_CRYPTO_ZLIB is not set
+CONFIG_CRYPTO_LZO=y
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+# CONFIG_CRYPTO_HW is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_RATIONAL=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=m
+CONFIG_CRC16=y
+CONFIG_CRC_T10DIF=y
+CONFIG_CRC_ITU_T=m
+CONFIG_CRC32=y
+CONFIG_CRC7=m
+CONFIG_LIBCRC32C=m
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_LZO_COMPRESS=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/arm/configs/n770_defconfig b/arch/arm/configs/n770_defconfig
index 75cae18fbcb6..de0c28aa43e7 100644
--- a/arch/arm/configs/n770_defconfig
+++ b/arch/arm/configs/n770_defconfig
@@ -308,6 +308,7 @@ CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND_UP_POSSIBLE=y
 CONFIG_SUSPEND=y
 # CONFIG_APM_EMULATION is not set
+CONFIG_PM_RUNTIME=y
 
 #
 # Networking
diff --git a/arch/arm/configs/n8x0_defconfig b/arch/arm/configs/n8x0_defconfig
index e6f667c5e58a..216ad00948af 100644
--- a/arch/arm/configs/n8x0_defconfig
+++ b/arch/arm/configs/n8x0_defconfig
@@ -191,6 +191,7 @@ CONFIG_ARCH_OMAP=y
 #
 CONFIG_ARCH_OMAP_OTG=y
 # CONFIG_ARCH_OMAP1 is not set
+CONFIG_ARCH_OMAP2PLUS=y
 CONFIG_ARCH_OMAP2=y
 # CONFIG_ARCH_OMAP3 is not set
 # CONFIG_ARCH_OMAP4 is not set
@@ -198,8 +199,6 @@ CONFIG_ARCH_OMAP2=y
 #
 # OMAP Feature Selections
 #
-# CONFIG_OMAP_DEBUG_POWERDOMAIN is not set
-# CONFIG_OMAP_DEBUG_CLOCKDOMAIN is not set
 CONFIG_OMAP_RESET_CLOCKS=y
 # CONFIG_OMAP_MUX is not set
 # CONFIG_OMAP_MCBSP is not set
@@ -208,15 +207,13 @@ CONFIG_OMAP_MBOX_FWK=y
 CONFIG_OMAP_32K_TIMER=y
 CONFIG_OMAP_32K_TIMER_HZ=128
 CONFIG_OMAP_DM_TIMER=y
-# CONFIG_OMAP_LL_DEBUG_UART1 is not set
-# CONFIG_OMAP_LL_DEBUG_UART2 is not set
-CONFIG_OMAP_LL_DEBUG_UART3=y
+# CONFIG_OMAP_PM_NONE is not set
+CONFIG_OMAP_PM_NOOP=y
 # CONFIG_MACH_OMAP_GENERIC is not set
 
 #
 # OMAP Core Type
 #
-CONFIG_ARCH_OMAP24XX=y
 CONFIG_ARCH_OMAP2420=y
 # CONFIG_ARCH_OMAP2430 is not set
 
@@ -227,6 +224,9 @@ CONFIG_MACH_OMAP2_TUSB6010=y
 # CONFIG_MACH_OMAP_H4 is not set
 # CONFIG_MACH_OMAP_APOLLON is not set
 # CONFIG_MACH_OMAP_2430SDP is not set
+CONFIG_MACH_NOKIA_N800=y
+CONFIG_MACH_NOKIA_N810=y
+CONFIG_MACH_NOKIA_N810_WIMAX=y
 CONFIG_MACH_NOKIA_N8X0=y
 
 #
@@ -303,7 +303,7 @@ CONFIG_ALIGNMENT_TRAP=y
 CONFIG_ZBOOT_ROM_TEXT=0x10C08000
 CONFIG_ZBOOT_ROM_BSS=0x10200000
 # CONFIG_ZBOOT_ROM is not set
-CONFIG_CMDLINE="root=1f03 rootfstype=jffs2 console=ttyS2,115200n8"
+CONFIG_CMDLINE="root=/dev/mmcblk0p2 console=ttyS2,115200n8 debug earlyprintk rootwait"
 # CONFIG_XIP_KERNEL is not set
 # CONFIG_KEXEC is not set
 
@@ -337,7 +337,14 @@ CONFIG_HAVE_AOUT=y
 #
 # Power management options
 #
-# CONFIG_PM is not set
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+# CONFIG_APM_EMULATION is not set
+CONFIG_PM_RUNTIME=y
+CONFIG_PM_OPS=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
@@ -617,7 +624,55 @@ CONFIG_UNIX98_PTYS=y
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
-# CONFIG_I2C is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+# CONFIG_I2C_COMPAT is not set
+# CONFIG_I2C_CHARDEV is not set
+# CONFIG_I2C_HELPER_AUTO is not set
+# CONFIG_I2C_SMBUS is not set
+
+#
+# I2C Algorithms
+#
+# CONFIG_I2C_ALGOBIT is not set
+# CONFIG_I2C_ALGOPCF is not set
+# CONFIG_I2C_ALGOPCA is not set
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_DESIGNWARE is not set
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+CONFIG_I2C_OMAP=y
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
 CONFIG_SPI=y
 # CONFIG_SPI_DEBUG is not set
 CONFIG_SPI_MASTER=y
@@ -673,15 +728,44 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 # CONFIG_MFD_CORE is not set
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_MFD_ASIC3 is not set
 # CONFIG_HTC_EGPIO is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_HTC_I2CPLD is not set
+# CONFIG_TPS65010 is not set
+CONFIG_MENELAUS=y
+# CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_MFD_T7L66XB is not set
 # CONFIG_MFD_TC6387XB is not set
 # CONFIG_MFD_TC6393XB is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
 # CONFIG_EZX_PCAP is not set
+# CONFIG_AB4500_CORE is not set
+CONFIG_REGULATOR=y
+# CONFIG_REGULATOR_DEBUG is not set
+# CONFIG_REGULATOR_DUMMY is not set
+# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
+# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
+# CONFIG_REGULATOR_USERSPACE_CONSUMER is not set
+# CONFIG_REGULATOR_BQ24022 is not set
+# CONFIG_REGULATOR_MAX1586 is not set
+# CONFIG_REGULATOR_MAX8649 is not set
+# CONFIG_REGULATOR_MAX8660 is not set
+# CONFIG_REGULATOR_LP3971 is not set
+# CONFIG_REGULATOR_TPS65023 is not set
+# CONFIG_REGULATOR_TPS6507X is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
 #
@@ -718,7 +802,10 @@ CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
 CONFIG_USB_DEVICEFS=y
 CONFIG_USB_DEVICE_CLASS=y
 # CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_OTG is not set
+CONFIG_USB_SUSPEND=y
+CONFIG_USB_OTG=y
+# CONFIG_USB_OTG_WHITELIST is not set
+# CONFIG_USB_OTG_BLACKLIST_HUB is not set
 # CONFIG_USB_MON is not set
 # CONFIG_USB_WUSB is not set
 # CONFIG_USB_WUSB_CBAF is not set
@@ -737,9 +824,10 @@ CONFIG_USB_DEVICE_CLASS=y
 CONFIG_USB_MUSB_HDRC=y
 CONFIG_USB_TUSB6010=y
 # CONFIG_USB_MUSB_HOST is not set
-CONFIG_USB_MUSB_PERIPHERAL=y
-# CONFIG_USB_MUSB_OTG is not set
+# CONFIG_USB_MUSB_PERIPHERAL is not set
+CONFIG_USB_MUSB_OTG=y
 CONFIG_USB_GADGET_MUSB_HDRC=y
+CONFIG_USB_MUSB_HDRC_HCD=y
 # CONFIG_MUSB_PIO_ONLY is not set
 # CONFIG_USB_INVENTRA_DMA is not set
 # CONFIG_USB_TI_CPPI_DMA is not set
@@ -824,44 +912,77 @@ CONFIG_USB_GADGET_DUALSPEED=y
 # CONFIG_USB_ZERO is not set
 # CONFIG_USB_AUDIO is not set
 CONFIG_USB_ETH=y
-# CONFIG_USB_ETH_RNDIS is not set
+CONFIG_USB_ETH_RNDIS=y
+CONFIG_USB_ETH_EEM=y
 # CONFIG_USB_GADGETFS is not set
 # CONFIG_USB_FILE_STORAGE is not set
+# CONFIG_USB_MASS_STORAGE is not set
 # CONFIG_USB_G_SERIAL is not set
 # CONFIG_USB_MIDI_GADGET is not set
 # CONFIG_USB_G_PRINTER is not set
 # CONFIG_USB_CDC_COMPOSITE is not set
+# CONFIG_USB_G_NOKIA is not set
+# CONFIG_USB_G_MULTI is not set
 
 #
 # OTG and related infrastructure
 #
 CONFIG_USB_OTG_UTILS=y
 # CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_ISP1301_OMAP is not set
+# CONFIG_USB_ULPI is not set
 CONFIG_NOP_USB_XCEIV=y
-# CONFIG_MMC is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD/SDIO Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+# CONFIG_MMC_TEST is not set
+
+#
+# MMC/SD/SDIO Host Controller Drivers
+#
+# CONFIG_MMC_SDHCI is not set
+CONFIG_MMC_OMAP=y
+# CONFIG_MMC_SPI is not set
 # CONFIG_MEMSTICK is not set
-# CONFIG_ACCESSIBILITY is not set
 # CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
 CONFIG_RTC_LIB=y
 # CONFIG_RTC_CLASS is not set
 # CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
-# CONFIG_REGULATOR is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
 # File systems
 #
 # CONFIG_EXT2_FS is not set
-# CONFIG_EXT3_FS is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+CONFIG_EXT3_FS_XATTR=y
+# CONFIG_EXT3_FS_POSIX_ACL is not set
+# CONFIG_EXT3_FS_SECURITY is not set
 # CONFIG_EXT4_FS is not set
+CONFIG_JBD=y
+CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
 CONFIG_FILE_LOCKING=y
 CONFIG_FSNOTIFY=y
 CONFIG_DNOTIFY=y
@@ -886,8 +1007,11 @@ CONFIG_INOTIFY_USER=y
 #
 # DOS/FAT/NT Filesystems
 #
+CONFIG_FAT_FS=y
 # CONFIG_MSDOS_FS is not set
-# CONFIG_VFAT_FS is not set
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 # CONFIG_NTFS_FS is not set
 
 #
diff --git a/arch/arm/configs/nuc950_defconfig b/arch/arm/configs/nuc950_defconfig
index 97300ec478dd..51cc2a260cbb 100644
--- a/arch/arm/configs/nuc950_defconfig
+++ b/arch/arm/configs/nuc950_defconfig
@@ -590,8 +590,40 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VGASTATE is not set
 # CONFIG_VIDEO_OUTPUT_CONTROL is not set
-# CONFIG_FB is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_NUC900=y
+CONFIG_GPM1040A0_320X240=y
+CONFIG_FB_NUC900_DEBUG=y
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
+# CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+
 
 #
 # Display device support
@@ -603,6 +635,25 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VGA_CONSOLE is not set
 CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY=y
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+CONFIG_FONTS=y
+# CONFIG_FONT_8x8 is not set
+CONFIG_FONT_8x16=y
+# CONFIG_FONT_6x11 is not set
+# CONFIG_FONT_7x14 is not set
+# CONFIG_FONT_PEARL_8x8 is not set
+# CONFIG_FONT_ACORN_8x8 is not set
+# CONFIG_FONT_MINI_4x6 is not set
+# CONFIG_FONT_SUN8x16 is not set
+# CONFIG_FONT_SUN12x22 is not set
+# CONFIG_FONT_10x18 is not set
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+CONFIG_LOGO_LINUX_CLUT224=y
+
 # CONFIG_SOUND is not set
 # CONFIG_HID_SUPPORT is not set
 CONFIG_USB_SUPPORT=y
diff --git a/arch/arm/configs/omap3_beagle_defconfig b/arch/arm/configs/omap3_beagle_defconfig
index c7999f5b1c9a..5a9e95fa728b 100644
--- a/arch/arm/configs/omap3_beagle_defconfig
+++ b/arch/arm/configs/omap3_beagle_defconfig
@@ -324,6 +324,7 @@ CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_APM_EMULATION is not set
+CONFIG_PM_RUNTIME=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
diff --git a/arch/arm/configs/omap3_defconfig b/arch/arm/configs/omap3_defconfig
index 714835e5ebec..d6ad92177324 100644
--- a/arch/arm/configs/omap3_defconfig
+++ b/arch/arm/configs/omap3_defconfig
@@ -450,7 +450,7 @@ CONFIG_SUSPEND=y
 # CONFIG_PM_TEST_SUSPEND is not set
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_APM_EMULATION is not set
-# CONFIG_PM_RUNTIME is not set
+CONFIG_PM_RUNTIME=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
diff --git a/arch/arm/configs/omap3_evm_defconfig b/arch/arm/configs/omap3_evm_defconfig
index e2ad859fbec6..a6dd6d1af806 100644
--- a/arch/arm/configs/omap3_evm_defconfig
+++ b/arch/arm/configs/omap3_evm_defconfig
@@ -340,6 +340,7 @@ CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_APM_EMULATION is not set
+CONFIG_PM_RUNTIME=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
diff --git a/arch/arm/configs/omap3_touchbook_defconfig b/arch/arm/configs/omap3_touchbook_defconfig
index 74fe6be9c5ec..968fbaa8f04d 100644
--- a/arch/arm/configs/omap3_touchbook_defconfig
+++ b/arch/arm/configs/omap3_touchbook_defconfig
@@ -368,7 +368,7 @@ CONFIG_SUSPEND=y
 # CONFIG_PM_TEST_SUSPEND is not set
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_APM_EMULATION is not set
-# CONFIG_PM_RUNTIME is not set
+CONFIG_PM_RUNTIME=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
diff --git a/arch/arm/configs/omap_3430sdp_defconfig b/arch/arm/configs/omap_3430sdp_defconfig
index bb2917e5cb47..ddde429a7d9b 100644
--- a/arch/arm/configs/omap_3430sdp_defconfig
+++ b/arch/arm/configs/omap_3430sdp_defconfig
@@ -363,6 +363,7 @@ CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_APM_EMULATION is not set
+CONFIG_PM_RUNTIME=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
diff --git a/arch/arm/configs/omap_3630sdp_defconfig b/arch/arm/configs/omap_3630sdp_defconfig
index d25c3d4424ca..609f348b1055 100644
--- a/arch/arm/configs/omap_3630sdp_defconfig
+++ b/arch/arm/configs/omap_3630sdp_defconfig
@@ -361,7 +361,7 @@ CONFIG_SUSPEND=y
 # CONFIG_PM_TEST_SUSPEND is not set
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_APM_EMULATION is not set
-# CONFIG_PM_RUNTIME is not set
+CONFIG_PM_RUNTIME=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
diff --git a/arch/arm/configs/omap_h2_1610_defconfig b/arch/arm/configs/omap_h2_1610_defconfig
index 523189586a4b..91ef2ed0f80a 100644
--- a/arch/arm/configs/omap_h2_1610_defconfig
+++ b/arch/arm/configs/omap_h2_1610_defconfig
@@ -331,6 +331,7 @@ CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_APM_EMULATION is not set
+CONFIG_PM_RUNTIME=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 
 #
diff --git a/arch/arm/configs/omap_zoom2_defconfig b/arch/arm/configs/omap_zoom2_defconfig
index a82e81332a03..f5c6e11cf189 100644
--- a/arch/arm/configs/omap_zoom2_defconfig
+++ b/arch/arm/configs/omap_zoom2_defconfig
@@ -343,6 +343,7 @@ CONFIG_SUSPEND=y
 # CONFIG_PM_TEST_SUSPEND is not set
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_APM_EMULATION is not set
+CONFIG_PM_RUNTIME=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
diff --git a/arch/arm/configs/omap_zoom3_defconfig b/arch/arm/configs/omap_zoom3_defconfig
index ff8ac3dcc31d..ea9a5012d332 100644
--- a/arch/arm/configs/omap_zoom3_defconfig
+++ b/arch/arm/configs/omap_zoom3_defconfig
@@ -361,7 +361,7 @@ CONFIG_SUSPEND=y
 # CONFIG_PM_TEST_SUSPEND is not set
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_APM_EMULATION is not set
-# CONFIG_PM_RUNTIME is not set
+CONFIG_PM_RUNTIME=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
diff --git a/arch/arm/configs/orion5x_defconfig b/arch/arm/configs/orion5x_defconfig
index 85b05d3e279b..ee1ebd8dfa80 100644
--- a/arch/arm/configs/orion5x_defconfig
+++ b/arch/arm/configs/orion5x_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.32-rc6
-# Sat Nov  7 20:52:21 2009
+# Linux kernel version: 2.6.33-rc6
+# Thu Feb  4 23:30:00 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
@@ -32,6 +32,12 @@ CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
@@ -45,6 +51,7 @@ CONFIG_SYSVIPC_SYSCTL=y
 #
 CONFIG_TREE_RCU=y
 # CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
 # CONFIG_RCU_TRACE is not set
 CONFIG_RCU_FANOUT=32
 # CONFIG_RCU_FANOUT_EXACT is not set
@@ -122,14 +129,41 @@ CONFIG_LBDAF=y
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
-# CONFIG_DEFAULT_AS is not set
 # CONFIG_DEFAULT_DEADLINE is not set
 CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
 # CONFIG_FREEZER is not set
 
 #
@@ -158,6 +192,7 @@ CONFIG_MMU=y
 # CONFIG_ARCH_IXP2000 is not set
 # CONFIG_ARCH_IXP4XX is not set
 # CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
 # CONFIG_ARCH_KIRKWOOD is not set
 # CONFIG_ARCH_LOKI is not set
 # CONFIG_ARCH_MV78XX0 is not set
@@ -180,6 +215,7 @@ CONFIG_ARCH_ORION5X=y
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
 # CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
 
 #
 # Orion Implementations
@@ -192,6 +228,7 @@ CONFIG_MACH_TS209=y
 CONFIG_MACH_TERASTATION_PRO2=y
 CONFIG_MACH_LINKSTATION_PRO=y
 CONFIG_MACH_LINKSTATION_MINI=y
+CONFIG_MACH_LINKSTATION_LS_HGL=y
 CONFIG_MACH_TS409=y
 CONFIG_MACH_WRT350N_V2=y
 CONFIG_MACH_TS78XX=y
@@ -268,12 +305,10 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
-CONFIG_SPLIT_PTLOCK_CPUS=4096
+CONFIG_SPLIT_PTLOCK_CPUS=999999
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
-CONFIG_HAVE_MLOCK=y
-CONFIG_HAVE_MLOCKED_PAGE_BIT=y
 # CONFIG_KSM is not set
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_LEDS=y
@@ -412,10 +447,6 @@ CONFIG_NET_PKTGEN=m
 # CONFIG_AF_RXRPC is not set
 CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
-CONFIG_CFG80211_DEFAULT_PS_VALUE=0
-# CONFIG_WIRELESS_OLD_REGULATORY is not set
-CONFIG_WIRELESS_EXT=y
-CONFIG_WIRELESS_EXT_SYSFS=y
 # CONFIG_LIB80211 is not set
 
 #
@@ -554,6 +585,10 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
 # CONFIG_BLK_DEV_NBD is not set
 # CONFIG_BLK_DEV_SX8 is not set
 # CONFIG_BLK_DEV_UB is not set
@@ -562,6 +597,7 @@ CONFIG_BLK_DEV_LOOP=y
 # CONFIG_ATA_OVER_ETH is not set
 # CONFIG_MG_DISK is not set
 CONFIG_MISC_DEVICES=y
+# CONFIG_AD525X_DPOT is not set
 # CONFIG_PHANTOM is not set
 # CONFIG_SGI_IOC4 is not set
 # CONFIG_TIFM_CORE is not set
@@ -569,6 +605,7 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_HP_ILO is not set
 # CONFIG_ISL29003 is not set
+# CONFIG_DS1682 is not set
 # CONFIG_C2PORT is not set
 
 #
@@ -621,7 +658,9 @@ CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_SCSI_BNX2_ISCSI is not set
 # CONFIG_BE2ISCSI is not set
 # CONFIG_BLK_DEV_3W_XXXX_RAID is not set
+# CONFIG_SCSI_HPSA is not set
 # CONFIG_SCSI_3W_9XXX is not set
+# CONFIG_SCSI_3W_SAS is not set
 # CONFIG_SCSI_ACARD is not set
 # CONFIG_SCSI_AACRAID is not set
 # CONFIG_SCSI_AIC7XXX is not set
@@ -657,6 +696,7 @@ CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_SCSI_NSP32 is not set
 # CONFIG_SCSI_DEBUG is not set
 # CONFIG_SCSI_PMCRAID is not set
+# CONFIG_SCSI_PM8001 is not set
 # CONFIG_SCSI_SRP is not set
 # CONFIG_SCSI_BFA_FC is not set
 # CONFIG_SCSI_DH is not set
@@ -711,15 +751,16 @@ CONFIG_SATA_MV=y
 # CONFIG_PATA_NS87415 is not set
 # CONFIG_PATA_OPTI is not set
 # CONFIG_PATA_OPTIDMA is not set
+# CONFIG_PATA_PDC2027X is not set
 # CONFIG_PATA_PDC_OLD is not set
 # CONFIG_PATA_RADISYS is not set
 # CONFIG_PATA_RDC is not set
 # CONFIG_PATA_RZ1000 is not set
 # CONFIG_PATA_SC1200 is not set
 # CONFIG_PATA_SERVERWORKS is not set
-# CONFIG_PATA_PDC2027X is not set
 # CONFIG_PATA_SIL680 is not set
 # CONFIG_PATA_SIS is not set
+# CONFIG_PATA_TOSHIBA is not set
 # CONFIG_PATA_VIA is not set
 # CONFIG_PATA_WINBOND is not set
 # CONFIG_PATA_PLATFORM is not set
@@ -736,7 +777,7 @@ CONFIG_SATA_MV=y
 #
 
 #
-# See the help texts for more information.
+# The newer stack is recommended.
 #
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
@@ -842,8 +883,10 @@ CONFIG_MV643XX_ETH=y
 # CONFIG_NETDEV_10000 is not set
 # CONFIG_TR is not set
 CONFIG_WLAN=y
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
+# CONFIG_ATMEL is not set
+# CONFIG_PRISM54 is not set
+# CONFIG_USB_ZD1201 is not set
+# CONFIG_HOSTAP is not set
 
 #
 # Enable WiMAX (Networking options) to see the WiMAX drivers
@@ -866,6 +909,7 @@ CONFIG_WLAN=y
 # CONFIG_NETCONSOLE is not set
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_VMXNET3 is not set
 # CONFIG_ISDN is not set
 # CONFIG_PHONE is not set
 
@@ -875,6 +919,7 @@ CONFIG_WLAN=y
 CONFIG_INPUT=y
 # CONFIG_INPUT_FF_MEMLESS is not set
 # CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
 
 #
 # Userland interfaces
@@ -993,11 +1038,6 @@ CONFIG_I2C_MV64XXX=y
 # CONFIG_I2C_TINY_USB is not set
 
 #
-# Graphics adapter I2C/DDC channel drivers
-#
-# CONFIG_I2C_VOODOO3 is not set
-
-#
 # Other I2C/SMBus bus drivers
 #
 # CONFIG_I2C_PCA_PLATFORM is not set
@@ -1006,7 +1046,6 @@ CONFIG_I2C_MV64XXX=y
 #
 # Miscellaneous I2C Chip support
 #
-# CONFIG_DS1682 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
@@ -1033,10 +1072,12 @@ CONFIG_GPIO_SYSFS=y
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
 #
+# CONFIG_GPIO_CS5535 is not set
 # CONFIG_GPIO_BT8XX is not set
 # CONFIG_GPIO_LANGWELL is not set
 
@@ -1079,6 +1120,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM63 is not set
+# CONFIG_SENSORS_LM73 is not set
 CONFIG_SENSORS_LM75=y
 # CONFIG_SENSORS_LM77 is not set
 # CONFIG_SENSORS_LM78 is not set
@@ -1104,6 +1146,7 @@ CONFIG_SENSORS_LM75=y
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_AMC6821 is not set
 # CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_TMP401 is not set
 # CONFIG_SENSORS_TMP421 is not set
@@ -1118,6 +1161,7 @@ CONFIG_SENSORS_LM75=y
 # CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_SENSORS_LIS3_I2C is not set
 # CONFIG_THERMAL is not set
 # CONFIG_WATCHDOG is not set
 CONFIG_SSB_POSSIBLE=y
@@ -1140,11 +1184,13 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_TMIO is not set
 # CONFIG_MFD_TC6393XB is not set
 # CONFIG_PMIC_DA903X is not set
+# CONFIG_PMIC_ADP5520 is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
 # CONFIG_MFD_PCF50633 is not set
 # CONFIG_AB3100_CORE is not set
+# CONFIG_MFD_88PM8607 is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
@@ -1316,6 +1362,7 @@ CONFIG_USB_STORAGE_JUMPSHOT=y
 # OTG and related infrastructure
 #
 # CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_USB_ULPI is not set
 # CONFIG_NOP_USB_XCEIV is not set
 # CONFIG_UWB is not set
 # CONFIG_MMC is not set
@@ -1332,6 +1379,7 @@ CONFIG_LEDS_GPIO_PLATFORM=y
 # CONFIG_LEDS_LP3944 is not set
 # CONFIG_LEDS_PCA955X is not set
 # CONFIG_LEDS_BD2802 is not set
+# CONFIG_LEDS_LT3593 is not set
 
 #
 # LED Triggers
@@ -1377,6 +1425,7 @@ CONFIG_RTC_DRV_PCF8563=y
 # CONFIG_RTC_DRV_PCF8583 is not set
 CONFIG_RTC_DRV_M41T80=y
 # CONFIG_RTC_DRV_M41T80_WDT is not set
+# CONFIG_RTC_DRV_BQ32K is not set
 CONFIG_RTC_DRV_S35390A=y
 # CONFIG_RTC_DRV_FM3130 is not set
 # CONFIG_RTC_DRV_RX8581 is not set
@@ -1398,7 +1447,9 @@ CONFIG_RTC_DRV_S35390A=y
 CONFIG_RTC_DRV_M48T86=y
 # CONFIG_RTC_DRV_M48T35 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_MSM6242 is not set
 # CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_RP5C01 is not set
 # CONFIG_RTC_DRV_V3020 is not set
 
 #
@@ -1686,7 +1737,9 @@ CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_ERRORS=y
 # CONFIG_DEBUG_STACK_USAGE is not set
 CONFIG_DEBUG_LL=y
+# CONFIG_EARLY_PRINTK is not set
 # CONFIG_DEBUG_ICEDCC is not set
+# CONFIG_OC_ETM is not set
 
 #
 # Security options
@@ -1694,7 +1747,11 @@ CONFIG_DEBUG_LL=y
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
 # CONFIG_SECURITYFS is not set
-# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
 CONFIG_CRYPTO=y
 
 #
diff --git a/arch/arm/configs/pxa168_defconfig b/arch/arm/configs/pxa168_defconfig
index 791b8c39aefc..113511f91eb7 100644
--- a/arch/arm/configs/pxa168_defconfig
+++ b/arch/arm/configs/pxa168_defconfig
@@ -1,15 +1,13 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.29-rc3
-# Fri Mar 20 13:43:13 2009
+# Linux kernel version: 2.6.33-rc3
+# Tue Jan 12 08:57:10 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
-CONFIG_MMU=y
-# CONFIG_NO_IOPORT is not set
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_STACKTRACE_SUPPORT=y
 CONFIG_HAVE_LATENCYTOP_SUPPORT=y
@@ -18,13 +16,12 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_HARDIRQS_SW_RESEND=y
 CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
-# CONFIG_ARCH_HAS_ILOG2_U32 is not set
-# CONFIG_ARCH_HAS_ILOG2_U64 is not set
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_VECTORS_BASE=0xffff0000
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -35,6 +32,12 @@ CONFIG_LOCK_KERNEL=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
@@ -46,11 +49,13 @@ CONFIG_SYSVIPC_SYSCTL=y
 #
 # RCU Subsystem
 #
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
 # CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_GROUP_SCHED is not set
@@ -64,10 +69,10 @@ CONFIG_NAMESPACES=y
 # CONFIG_USER_NS is not set
 # CONFIG_PID_NS is not set
 # CONFIG_NET_NS is not set
-CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_BLK_DEV_INITRD is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
 # CONFIG_EMBEDDED is not set
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
@@ -78,17 +83,20 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
-CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
@@ -98,6 +106,11 @@ CONFIG_HAVE_OPROFILE=y
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
 CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_SLOW_WORK is not set
 CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
@@ -109,8 +122,7 @@ CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
+CONFIG_LBDAF=y
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -118,31 +130,62 @@ CONFIG_BLOCK=y
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
-# CONFIG_DEFAULT_AS is not set
 # CONFIG_DEFAULT_DEADLINE is not set
 CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
 # CONFIG_FREEZER is not set
 
 #
 # System Type
 #
+CONFIG_MMU=y
 # CONFIG_ARCH_AAEC2000 is not set
 # CONFIG_ARCH_INTEGRATOR is not set
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_AT91 is not set
 # CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
 # CONFIG_ARCH_EP93XX is not set
 # CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
 # CONFIG_ARCH_NETX is not set
 # CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_IOP13XX is not set
 # CONFIG_ARCH_IOP32X is not set
 # CONFIG_ARCH_IOP33X is not set
@@ -150,26 +193,30 @@ CONFIG_DEFAULT_IOSCHED="cfq"
 # CONFIG_ARCH_IXP2000 is not set
 # CONFIG_ARCH_IXP4XX is not set
 # CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
 # CONFIG_ARCH_KIRKWOOD is not set
-# CONFIG_ARCH_KS8695 is not set
-# CONFIG_ARCH_NS9XXX is not set
 # CONFIG_ARCH_LOKI is not set
 # CONFIG_ARCH_MV78XX0 is not set
-# CONFIG_ARCH_MXC is not set
 # CONFIG_ARCH_ORION5X is not set
+CONFIG_ARCH_MMP=y
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
 # CONFIG_ARCH_PNX4008 is not set
 # CONFIG_ARCH_PXA is not set
-CONFIG_ARCH_MMP=y
+# CONFIG_ARCH_MSM is not set
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
 # CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5PC1XX is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
-# CONFIG_ARCH_MSM is not set
-# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
 # CONFIG_MACH_TAVOREVB is not set
 
 #
@@ -177,6 +224,7 @@ CONFIG_ARCH_MMP=y
 #
 CONFIG_MACH_ASPENITE=y
 CONFIG_MACH_ZYLONITE2=y
+CONFIG_MACH_AVENGERS_LITE=y
 # CONFIG_MACH_TTC_DKB is not set
 CONFIG_CPU_PXA168=y
 CONFIG_PLAT_PXA=y
@@ -187,7 +235,7 @@ CONFIG_PLAT_PXA=y
 CONFIG_CPU_MOHAWK=y
 CONFIG_CPU_32v5=y
 CONFIG_CPU_ABRT_EV5T=y
-CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_PABRT_LEGACY=y
 CONFIG_CPU_CACHE_VIVT=y
 CONFIG_CPU_COPY_V4WB=y
 CONFIG_CPU_TLB_V4WBI=y
@@ -201,7 +249,7 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_ICACHE_DISABLE is not set
 # CONFIG_CPU_DCACHE_DISABLE is not set
 # CONFIG_CPU_BPREDICT_DISABLE is not set
-# CONFIG_OUTER_CACHE is not set
+CONFIG_ARM_L1_CACHE_SHIFT=5
 CONFIG_IWMMXT=y
 CONFIG_COMMON_CLKDEV=y
 
@@ -223,13 +271,15 @@ CONFIG_VMSPLIT_3G=y
 # CONFIG_VMSPLIT_2G is not set
 # CONFIG_VMSPLIT_1G is not set
 CONFIG_PAGE_OFFSET=0xC0000000
+# CONFIG_PREEMPT_NONE is not set
+# CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
 CONFIG_HZ=100
 CONFIG_AEABI=y
 CONFIG_OABI_COMPAT=y
-CONFIG_ARCH_FLATMEM_HAS_HOLES=y
 # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
 # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -237,12 +287,14 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
-CONFIG_SPLIT_PTLOCK_CPUS=4096
+CONFIG_SPLIT_PTLOCK_CPUS=999999
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
-CONFIG_UNEVICTABLE_LRU=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
 
 #
 # Boot options
@@ -288,7 +340,6 @@ CONFIG_NET=y
 #
 # Networking options
 #
-CONFIG_COMPAT_NET_DEV_OPS=y
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
@@ -330,6 +381,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -343,6 +395,8 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
 # CONFIG_DCB is not set
 
@@ -355,13 +409,13 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-# CONFIG_PHONET is not set
 CONFIG_WIRELESS=y
 # CONFIG_CFG80211 is not set
-CONFIG_WIRELESS_OLD_REGULATORY=y
-# CONFIG_WIRELESS_EXT is not set
 # CONFIG_LIB80211 is not set
-# CONFIG_MAC80211 is not set
+
+#
+# CFG80211 needs to be enabled for MAC80211
+#
 # CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
@@ -374,6 +428,7 @@ CONFIG_WIRELESS_OLD_REGULATORY=y
 # Generic Driver Options
 #
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
 # CONFIG_STANDALONE is not set
 # CONFIG_PREVENT_FIRMWARE_BUILD is not set
 CONFIG_FW_LOADER=y
@@ -412,8 +467,10 @@ CONFIG_MII=y
 # CONFIG_AX88796 is not set
 CONFIG_SMC91X=y
 # CONFIG_DM9000 is not set
+# CONFIG_ETHOC is not set
 # CONFIG_SMC911X is not set
 # CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
@@ -422,15 +479,12 @@ CONFIG_SMC91X=y
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
-
-#
-# Wireless LAN
-#
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
-# CONFIG_IWLWIFI_LEDS is not set
+CONFIG_WLAN=y
+# CONFIG_HOSTAP is not set
 
 #
 # Enable WiMAX (Networking options) to see the WiMAX drivers
@@ -442,6 +496,7 @@ CONFIG_SMC91X=y
 # CONFIG_NETPOLL is not set
 # CONFIG_NET_POLL_CONTROLLER is not set
 # CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
 
 #
 # Input device support
@@ -449,6 +504,7 @@ CONFIG_SMC91X=y
 CONFIG_INPUT=y
 # CONFIG_INPUT_FF_MEMLESS is not set
 # CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
 
 #
 # Userland interfaces
@@ -510,6 +566,11 @@ CONFIG_UNIX98_PTYS=y
 # CONFIG_TCG_TPM is not set
 # CONFIG_I2C is not set
 # CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 CONFIG_ARCH_REQUIRE_GPIOLIB=y
 CONFIG_GPIOLIB=y
 # CONFIG_DEBUG_GPIO is not set
@@ -530,11 +591,14 @@ CONFIG_GPIOLIB=y
 #
 # SPI GPIO expanders:
 #
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 # CONFIG_WATCHDOG is not set
 CONFIG_SSB_POSSIBLE=y
 
@@ -555,22 +619,8 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_T7L66XB is not set
 # CONFIG_MFD_TC6387XB is not set
 # CONFIG_MFD_TC6393XB is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-# CONFIG_DAB is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -595,13 +645,17 @@ CONFIG_DUMMY_CONSOLE=y
 # CONFIG_USB_SUPPORT is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
-# CONFIG_ACCESSIBILITY is not set
 # CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
 CONFIG_RTC_LIB=y
 # CONFIG_RTC_CLASS is not set
 # CONFIG_DMADEVICES is not set
-# CONFIG_REGULATOR is not set
+# CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
@@ -613,10 +667,13 @@ CONFIG_RTC_LIB=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -627,6 +684,11 @@ CONFIG_INOTIFY_USER=y
 CONFIG_GENERIC_ACL=y
 
 #
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
 # CD-ROM/DVD Filesystems
 #
 # CONFIG_ISO9660_FS is not set
@@ -673,6 +735,7 @@ CONFIG_NFS_FS=y
 CONFIG_NFS_V3=y
 CONFIG_NFS_V3_ACL=y
 CONFIG_NFS_V4=y
+# CONFIG_NFS_V4_1 is not set
 CONFIG_ROOT_NFS=y
 # CONFIG_NFSD is not set
 CONFIG_LOCKD=y
@@ -681,7 +744,6 @@ CONFIG_NFS_ACL_SUPPORT=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=y
 CONFIG_SUNRPC_GSS=y
-# CONFIG_SUNRPC_REGISTER_V4 is not set
 CONFIG_RPCSEC_GSS_KRB5=y
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -706,6 +768,7 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 # CONFIG_DEBUG_FS is not set
 # CONFIG_HEADERS_CHECK is not set
@@ -714,11 +777,15 @@ CONFIG_DEBUG_KERNEL=y
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
 CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
 # CONFIG_DEBUG_OBJECTS is not set
 # CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
 # CONFIG_DEBUG_PREEMPT is not set
 # CONFIG_DEBUG_RT_MUTEXES is not set
 # CONFIG_RT_MUTEX_TESTER is not set
@@ -738,28 +805,33 @@ CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 # CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_LATENCYTOP is not set
 # CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_PAGE_POISONING is not set
 CONFIG_HAVE_FUNCTION_TRACER=y
-
-#
-# Tracers
-#
+CONFIG_TRACING_SUPPORT=y
+CONFIG_FTRACE=y
 # CONFIG_FUNCTION_TRACER is not set
 # CONFIG_IRQSOFF_TRACER is not set
 # CONFIG_PREEMPT_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
-# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
 # CONFIG_BOOT_TRACER is not set
-# CONFIG_TRACE_BRANCH_PROFILING is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
 # CONFIG_STACK_TRACER is not set
-# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
@@ -768,7 +840,9 @@ CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_ERRORS=y
 # CONFIG_DEBUG_STACK_USAGE is not set
 CONFIG_DEBUG_LL=y
+# CONFIG_EARLY_PRINTK is not set
 # CONFIG_DEBUG_ICEDCC is not set
+# CONFIG_OC_ETM is not set
 
 #
 # Security options
@@ -776,13 +850,16 @@ CONFIG_DEBUG_LL=y
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
 # CONFIG_SECURITYFS is not set
-# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 CONFIG_CRYPTO_ALGAPI=y
 CONFIG_CRYPTO_ALGAPI2=y
 CONFIG_CRYPTO_AEAD2=y
@@ -791,10 +868,12 @@ CONFIG_CRYPTO_BLKCIPHER2=y
 CONFIG_CRYPTO_HASH=y
 CONFIG_CRYPTO_HASH2=y
 CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_PCOMP=y
 CONFIG_CRYPTO_MANAGER=y
 CONFIG_CRYPTO_MANAGER2=y
 # CONFIG_CRYPTO_GF128MUL is not set
 # CONFIG_CRYPTO_NULL is not set
+CONFIG_CRYPTO_WORKQUEUE=y
 # CONFIG_CRYPTO_CRYPTD is not set
 # CONFIG_CRYPTO_AUTHENC is not set
 # CONFIG_CRYPTO_TEST is not set
@@ -822,11 +901,13 @@ CONFIG_CRYPTO_CBC=y
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
@@ -863,6 +944,7 @@ CONFIG_CRYPTO_DES=y
 # Compression
 #
 # CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
 # CONFIG_CRYPTO_LZO is not set
 
 #
@@ -870,6 +952,7 @@ CONFIG_CRYPTO_DES=y
 #
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
@@ -884,7 +967,7 @@ CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
-CONFIG_PLIST=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/arm/configs/raumfeld_defconfig b/arch/arm/configs/raumfeld_defconfig
new file mode 100644
index 000000000000..acb1a8f30e31
--- /dev/null
+++ b/arch/arm/configs/raumfeld_defconfig
@@ -0,0 +1,1898 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.32-rc5
+# Sun Nov  1 21:57:32 2009
+#
+CONFIG_ARM=y
+CONFIG_HAVE_PWM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_ARCH_HAS_CPUFREQ=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_ARCH_MTD_XIP=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+# CONFIG_LOCALVERSION_AUTO is not set
+# CONFIG_SWAP is not set
+# CONFIG_SYSVIPC is not set
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=17
+# CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+# CONFIG_RELAY is not set
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+# CONFIG_NET_NS is not set
+# CONFIG_BLK_DEV_INITRD is not set
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+# CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+CONFIG_COMPAT_BRK=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+CONFIG_SLOW_WORK=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+# CONFIG_LBDAF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+CONFIG_FREEZER=y
+
+#
+# System Type
+#
+CONFIG_MMU=y
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_NOMADIK is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_PNX4008 is not set
+CONFIG_ARCH_PXA=y
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_BCMRING is not set
+
+#
+# Intel PXA2xx/PXA3xx Implementations
+#
+
+#
+# Supported PXA3xx Processor Variants
+#
+CONFIG_CPU_PXA300=y
+# CONFIG_CPU_PXA310 is not set
+CONFIG_CPU_PXA320=y
+# CONFIG_CPU_PXA930 is not set
+# CONFIG_CPU_PXA935 is not set
+# CONFIG_CPU_PXA950 is not set
+
+#
+# Intel/Marvell Dev Platforms (sorted by hardware release time)
+#
+# CONFIG_ARCH_LUBBOCK is not set
+# CONFIG_MACH_MAINSTONE is not set
+# CONFIG_MACH_ZYLONITE is not set
+# CONFIG_MACH_LITTLETON is not set
+# CONFIG_MACH_TAVOREVB is not set
+# CONFIG_MACH_SAAR is not set
+
+#
+# Third Party Dev Platforms (sorted by vendor name)
+#
+# CONFIG_ARCH_PXA_IDP is not set
+# CONFIG_ARCH_VIPER is not set
+# CONFIG_MACH_BALLOON3 is not set
+# CONFIG_MACH_CSB726 is not set
+# CONFIG_MACH_ARMCORE is not set
+# CONFIG_MACH_EM_X270 is not set
+# CONFIG_MACH_EXEDA is not set
+# CONFIG_MACH_CM_X300 is not set
+# CONFIG_ARCH_GUMSTIX is not set
+# CONFIG_MACH_INTELMOTE2 is not set
+# CONFIG_MACH_STARGATE2 is not set
+# CONFIG_MACH_XCEP is not set
+# CONFIG_TRIZEPS_PXA is not set
+# CONFIG_MACH_LOGICPD_PXA270 is not set
+# CONFIG_MACH_PCM027 is not set
+# CONFIG_MACH_COLIBRI is not set
+# CONFIG_MACH_COLIBRI300 is not set
+# CONFIG_MACH_COLIBRI320 is not set
+
+#
+# End-user Products (sorted by vendor name)
+#
+# CONFIG_MACH_H4700 is not set
+# CONFIG_MACH_H5000 is not set
+# CONFIG_MACH_HIMALAYA is not set
+# CONFIG_MACH_MAGICIAN is not set
+# CONFIG_MACH_MIOA701 is not set
+# CONFIG_PXA_EZX is not set
+# CONFIG_MACH_MP900C is not set
+# CONFIG_ARCH_PXA_PALM is not set
+CONFIG_MACH_RAUMFELD_RC=y
+CONFIG_MACH_RAUMFELD_CONNECTOR=y
+CONFIG_MACH_RAUMFELD_PROTO=y
+CONFIG_MACH_RAUMFELD_SPEAKER=y
+# CONFIG_PXA_SHARPSL is not set
+# CONFIG_ARCH_PXA_ESERIES is not set
+CONFIG_PXA3xx=y
+CONFIG_PXA_SSP=y
+CONFIG_PLAT_PXA=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32=y
+CONFIG_CPU_XSC3=y
+CONFIG_CPU_32v5=y
+CONFIG_CPU_ABRT_EV5T=y
+CONFIG_CPU_PABRT_LEGACY=y
+CONFIG_CPU_CACHE_VIVT=y
+CONFIG_CPU_TLB_V4WBI=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+CONFIG_IO_36=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_OUTER_CACHE=y
+CONFIG_CACHE_XSC3L2=y
+CONFIG_ARM_L1_CACHE_SHIFT=5
+CONFIG_IWMMXT=y
+CONFIG_COMMON_CLKDEV=y
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_TICK_ONESHOT=y
+CONFIG_NO_HZ=y
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_HZ=100
+CONFIG_AEABI=y
+# CONFIG_OABI_COMPAT is not set
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4096
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+CONFIG_HAVE_MLOCK=y
+CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0
+CONFIG_ZBOOT_ROM_BSS=0
+CONFIG_CMDLINE="console=ttyS0,115200 rw"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# CPU Power Management
+#
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TABLE=y
+# CONFIG_CPU_FREQ_DEBUG is not set
+CONFIG_CPU_FREQ_STAT=y
+# CONFIG_CPU_FREQ_STAT_DETAILS is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
+# CONFIG_CPU_FREQ_GOV_USERSPACE is not set
+# CONFIG_CPU_FREQ_GOV_ONDEMAND is not set
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
+CONFIG_CPU_IDLE=y
+CONFIG_CPU_IDLE_GOV_LADDER=y
+CONFIG_CPU_IDLE_GOV_MENU=y
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+CONFIG_PM=y
+# CONFIG_PM_DEBUG is not set
+CONFIG_PM_SLEEP=y
+CONFIG_SUSPEND=y
+CONFIG_SUSPEND_FREEZER=y
+CONFIG_APM_EMULATION=y
+# CONFIG_PM_RUNTIME is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+CONFIG_XFRM=y
+# CONFIG_XFRM_USER is not set
+# CONFIG_XFRM_SUB_POLICY is not set
+# CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_IP_MROUTE is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+CONFIG_INET_TUNNEL=y
+CONFIG_INET_XFRM_MODE_TRANSPORT=y
+CONFIG_INET_XFRM_MODE_TUNNEL=y
+CONFIG_INET_XFRM_MODE_BEET=y
+# CONFIG_INET_LRO is not set
+CONFIG_INET_DIAG=y
+CONFIG_INET_TCP_DIAG=y
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+CONFIG_IPV6=y
+# CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
+# CONFIG_IPV6_OPTIMISTIC_DAD is not set
+# CONFIG_INET6_AH is not set
+# CONFIG_INET6_ESP is not set
+# CONFIG_INET6_IPCOMP is not set
+# CONFIG_IPV6_MIP6 is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
+# CONFIG_INET6_TUNNEL is not set
+CONFIG_INET6_XFRM_MODE_TRANSPORT=y
+CONFIG_INET6_XFRM_MODE_TUNNEL=y
+CONFIG_INET6_XFRM_MODE_BEET=y
+# CONFIG_INET6_XFRM_MODE_ROUTEOPTIMIZATION is not set
+CONFIG_IPV6_SIT=y
+CONFIG_IPV6_NDISC_NODETYPE=y
+# CONFIG_IPV6_TUNNEL is not set
+# CONFIG_IPV6_MULTIPLE_TABLES is not set
+# CONFIG_IPV6_MROUTE is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+CONFIG_WIRELESS=y
+CONFIG_CFG80211=y
+# CONFIG_NL80211_TESTMODE is not set
+# CONFIG_CFG80211_DEVELOPER_WARNINGS is not set
+CONFIG_CFG80211_REG_DEBUG=y
+CONFIG_CFG80211_DEFAULT_PS=y
+CONFIG_CFG80211_DEFAULT_PS_VALUE=1
+CONFIG_WIRELESS_OLD_REGULATORY=y
+CONFIG_WIRELESS_EXT=y
+CONFIG_WIRELESS_EXT_SYSFS=y
+CONFIG_LIB80211=y
+# CONFIG_LIB80211_DEBUG is not set
+CONFIG_MAC80211=y
+CONFIG_MAC80211_RC_MINSTREL=y
+# CONFIG_MAC80211_RC_DEFAULT_PID is not set
+CONFIG_MAC80211_RC_DEFAULT_MINSTREL=y
+CONFIG_MAC80211_RC_DEFAULT="minstrel"
+# CONFIG_MAC80211_MESH is not set
+# CONFIG_MAC80211_LEDS is not set
+# CONFIG_MAC80211_DEBUG_MENU is not set
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
+CONFIG_MTD_CONCAT=y
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AFS_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+CONFIG_NFTL=y
+CONFIG_NFTL_RW=y
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+# CONFIG_MTD_CFI is not set
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_RAM is not set
+# CONFIG_MTD_ROM is not set
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SST25L is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+CONFIG_MTD_BLOCK2MTD=y
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=y
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+# CONFIG_MTD_NAND_H1900 is not set
+# CONFIG_MTD_NAND_GPIO is not set
+CONFIG_MTD_NAND_IDS=y
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_SHARPSL is not set
+CONFIG_MTD_NAND_PXA3xx=y
+# CONFIG_MTD_NAND_PXA3xx_BUILTIN is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+CONFIG_MTD_UBI=y
+CONFIG_MTD_UBI_WL_THRESHOLD=4096
+CONFIG_MTD_UBI_BEB_RESERVE=1
+# CONFIG_MTD_UBI_GLUEBI is not set
+
+#
+# UBI debugging options
+#
+# CONFIG_MTD_UBI_DEBUG is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_UB is not set
+# CONFIG_BLK_DEV_RAM is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_MG_DISK is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_ICS932S401 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_ISL29003=y
+CONFIG_TI_DAC7512=y
+# CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT24 is not set
+# CONFIG_EEPROM_AT25 is not set
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_MAX6875 is not set
+# CONFIG_EEPROM_93CX6 is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+CONFIG_CHR_DEV_SG=y
+# CONFIG_CHR_DEV_SCH is not set
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_ISCSI_TCP is not set
+# CONFIG_LIBFC is not set
+# CONFIG_LIBFCOE is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+# CONFIG_AX88796 is not set
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMC911X is not set
+CONFIG_SMSC911X=y
+# CONFIG_DNET is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+CONFIG_WLAN=y
+# CONFIG_WLAN_PRE80211 is not set
+CONFIG_WLAN_80211=y
+CONFIG_LIBERTAS=y
+# CONFIG_LIBERTAS_USB is not set
+CONFIG_LIBERTAS_SDIO=m
+# CONFIG_LIBERTAS_SPI is not set
+# CONFIG_LIBERTAS_DEBUG is not set
+# CONFIG_LIBERTAS_THINFIRM is not set
+# CONFIG_AT76C50X_USB is not set
+# CONFIG_USB_ZD1201 is not set
+# CONFIG_USB_NET_RNDIS_WLAN is not set
+# CONFIG_RTL8187 is not set
+# CONFIG_MAC80211_HWSIM is not set
+# CONFIG_P54_COMMON is not set
+# CONFIG_ATH_COMMON is not set
+# CONFIG_HOSTAP is not set
+# CONFIG_B43 is not set
+# CONFIG_B43LEGACY is not set
+# CONFIG_ZD1211RW is not set
+# CONFIG_RT2X00 is not set
+# CONFIG_WL12XX is not set
+# CONFIG_IWM is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+CONFIG_USB_USBNET=y
+# CONFIG_USB_NET_AX8817X is not set
+CONFIG_USB_NET_CDCETHER=y
+# CONFIG_USB_NET_CDC_EEM is not set
+# CONFIG_USB_NET_DM9601 is not set
+# CONFIG_USB_NET_SMSC95XX is not set
+# CONFIG_USB_NET_GL620A is not set
+# CONFIG_USB_NET_NET1080 is not set
+# CONFIG_USB_NET_PLUSB is not set
+CONFIG_USB_NET_MCS7830=y
+# CONFIG_USB_NET_RNDIS_HOST is not set
+# CONFIG_USB_NET_CDC_SUBSET is not set
+# CONFIG_USB_NET_ZAURUS is not set
+# CONFIG_USB_NET_INT51X1 is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+CONFIG_INPUT_POLLDEV=y
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ADP5588 is not set
+CONFIG_KEYBOARD_ATKBD=y
+# CONFIG_QT2160 is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+CONFIG_KEYBOARD_GPIO=y
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_LM8323 is not set
+# CONFIG_KEYBOARD_MAX7359 is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_OPENCORES is not set
+# CONFIG_KEYBOARD_PXA27x is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_ADS7846 is not set
+# CONFIG_TOUCHSCREEN_AD7877 is not set
+# CONFIG_TOUCHSCREEN_AD7879_I2C is not set
+# CONFIG_TOUCHSCREEN_AD7879_SPI is not set
+# CONFIG_TOUCHSCREEN_AD7879 is not set
+CONFIG_TOUCHSCREEN_EETI=m
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MCS5000 is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_TOUCHSCREEN_TSC2007 is not set
+# CONFIG_TOUCHSCREEN_W90X900 is not set
+CONFIG_INPUT_MISC=y
+# CONFIG_INPUT_ATI_REMOTE is not set
+# CONFIG_INPUT_ATI_REMOTE2 is not set
+# CONFIG_INPUT_KEYSPAN_REMOTE is not set
+# CONFIG_INPUT_POWERMATE is not set
+# CONFIG_INPUT_YEALINK is not set
+# CONFIG_INPUT_CM109 is not set
+# CONFIG_INPUT_UINPUT is not set
+CONFIG_INPUT_GPIO_ROTARY_ENCODER=y
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_SERPORT=y
+CONFIG_SERIO_LIBPS2=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+# CONFIG_SERIAL_MAX3100 is not set
+CONFIG_SERIAL_PXA=y
+CONFIG_SERIAL_PXA_CONSOLE=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_DESIGNWARE is not set
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+CONFIG_I2C_PXA=y
+# CONFIG_I2C_PXA_SLAVE is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+CONFIG_SPI_DEBUG=y
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_BITBANG=y
+CONFIG_SPI_GPIO=y
+# CONFIG_SPI_PXA2XX is not set
+
+#
+# SPI Protocol Masters
+#
+CONFIG_SPI_SPIDEV=y
+# CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+CONFIG_DEBUG_GPIO=y
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
+CONFIG_W1=m
+
+#
+# 1-wire Bus Masters
+#
+# CONFIG_W1_MASTER_DS2490 is not set
+# CONFIG_W1_MASTER_DS2482 is not set
+# CONFIG_W1_MASTER_DS1WM is not set
+CONFIG_W1_MASTER_GPIO=m
+
+#
+# 1-wire Slaves
+#
+# CONFIG_W1_SLAVE_THERM is not set
+# CONFIG_W1_SLAVE_SMEM is not set
+# CONFIG_W1_SLAVE_DS2431 is not set
+# CONFIG_W1_SLAVE_DS2433 is not set
+CONFIG_W1_SLAVE_DS2760=m
+# CONFIG_W1_SLAVE_BQ27000 is not set
+CONFIG_POWER_SUPPLY=y
+# CONFIG_POWER_SUPPLY_DEBUG is not set
+CONFIG_PDA_POWER=y
+# CONFIG_APM_POWER is not set
+CONFIG_BATTERY_DS2760=m
+# CONFIG_BATTERY_DS2782 is not set
+# CONFIG_BATTERY_BQ27x00 is not set
+# CONFIG_BATTERY_MAX17040 is not set
+CONFIG_HWMON=y
+# CONFIG_HWMON_VID is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Native drivers
+#
+# CONFIG_SENSORS_AD7414 is not set
+# CONFIG_SENSORS_AD7418 is not set
+# CONFIG_SENSORS_ADCXX is not set
+# CONFIG_SENSORS_ADM1021 is not set
+# CONFIG_SENSORS_ADM1025 is not set
+# CONFIG_SENSORS_ADM1026 is not set
+# CONFIG_SENSORS_ADM1029 is not set
+# CONFIG_SENSORS_ADM1031 is not set
+# CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7462 is not set
+# CONFIG_SENSORS_ADT7470 is not set
+# CONFIG_SENSORS_ADT7473 is not set
+# CONFIG_SENSORS_ADT7475 is not set
+# CONFIG_SENSORS_ATXP1 is not set
+# CONFIG_SENSORS_DS1621 is not set
+# CONFIG_SENSORS_F71805F is not set
+# CONFIG_SENSORS_F71882FG is not set
+# CONFIG_SENSORS_F75375S is not set
+# CONFIG_SENSORS_G760A is not set
+# CONFIG_SENSORS_GL518SM is not set
+# CONFIG_SENSORS_GL520SM is not set
+# CONFIG_SENSORS_IT87 is not set
+# CONFIG_SENSORS_LM63 is not set
+# CONFIG_SENSORS_LM70 is not set
+# CONFIG_SENSORS_LM75 is not set
+# CONFIG_SENSORS_LM77 is not set
+# CONFIG_SENSORS_LM78 is not set
+# CONFIG_SENSORS_LM80 is not set
+# CONFIG_SENSORS_LM83 is not set
+# CONFIG_SENSORS_LM85 is not set
+# CONFIG_SENSORS_LM87 is not set
+# CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
+# CONFIG_SENSORS_LM93 is not set
+# CONFIG_SENSORS_LTC4215 is not set
+# CONFIG_SENSORS_LTC4245 is not set
+# CONFIG_SENSORS_LM95241 is not set
+# CONFIG_SENSORS_MAX1111 is not set
+# CONFIG_SENSORS_MAX1619 is not set
+# CONFIG_SENSORS_MAX6650 is not set
+# CONFIG_SENSORS_PC87360 is not set
+# CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_SHT15 is not set
+# CONFIG_SENSORS_DME1737 is not set
+# CONFIG_SENSORS_SMSC47M1 is not set
+# CONFIG_SENSORS_SMSC47M192 is not set
+# CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_THMC50 is not set
+# CONFIG_SENSORS_TMP401 is not set
+# CONFIG_SENSORS_TMP421 is not set
+# CONFIG_SENSORS_VT1211 is not set
+# CONFIG_SENSORS_W83781D is not set
+# CONFIG_SENSORS_W83791D is not set
+# CONFIG_SENSORS_W83792D is not set
+# CONFIG_SENSORS_W83793 is not set
+# CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83L786NG is not set
+# CONFIG_SENSORS_W83627HF is not set
+# CONFIG_SENSORS_W83627EHF is not set
+CONFIG_SENSORS_LIS3_SPI=y
+# CONFIG_THERMAL is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
+CONFIG_REGULATOR=y
+CONFIG_REGULATOR_DEBUG=y
+CONFIG_REGULATOR_FIXED_VOLTAGE=y
+# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
+# CONFIG_REGULATOR_USERSPACE_CONSUMER is not set
+# CONFIG_REGULATOR_BQ24022 is not set
+# CONFIG_REGULATOR_MAX1586 is not set
+CONFIG_REGULATOR_MAX8660=y
+# CONFIG_REGULATOR_LP3971 is not set
+# CONFIG_REGULATOR_TPS65023 is not set
+# CONFIG_REGULATOR_TPS6507X is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_PXA=y
+# CONFIG_FB_PXA_OVERLAY is not set
+# CONFIG_FB_PXA_SMARTPANEL is not set
+# CONFIG_FB_PXA_PARAMETERS is not set
+CONFIG_PXA3XX_GCU=y
+# CONFIG_FB_MBX is not set
+# CONFIG_FB_W100 is not set
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
+# CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+# CONFIG_LCD_CLASS_DEVICE is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=y
+# CONFIG_BACKLIGHT_GENERIC is not set
+CONFIG_BACKLIGHT_PWM=y
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+# CONFIG_FONTS is not set
+CONFIG_FONT_8x8=y
+CONFIG_FONT_8x16=y
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+# CONFIG_LOGO_LINUX_CLUT224 is not set
+CONFIG_LOGO_RAUMFELD_CLUT224=y
+CONFIG_SOUND=y
+# CONFIG_SOUND_OSS_CORE is not set
+CONFIG_SND=y
+CONFIG_SND_TIMER=y
+CONFIG_SND_PCM=y
+CONFIG_SND_JACK=y
+# CONFIG_SND_SEQUENCER is not set
+# CONFIG_SND_MIXER_OSS is not set
+# CONFIG_SND_PCM_OSS is not set
+# CONFIG_SND_DYNAMIC_MINORS is not set
+CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+# CONFIG_SND_RAWMIDI_SEQ is not set
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
+# CONFIG_SND_DRIVERS is not set
+CONFIG_SND_ARM=y
+CONFIG_SND_PXA2XX_LIB=y
+# CONFIG_SND_PXA2XX_AC97 is not set
+CONFIG_SND_SPI=y
+# CONFIG_SND_USB is not set
+CONFIG_SND_SOC=y
+CONFIG_SND_PXA2XX_SOC=y
+CONFIG_SND_PXA_SOC_SSP=y
+CONFIG_SND_SOC_RAUMFELD=y
+CONFIG_SND_SOC_I2C_AND_SPI=y
+# CONFIG_SND_SOC_ALL_CODECS is not set
+CONFIG_SND_SOC_AK4104=y
+CONFIG_SND_SOC_CS4270=y
+# CONFIG_SOUND_PRIME is not set
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HIDRAW is not set
+
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=y
+# CONFIG_HID_PID is not set
+# CONFIG_USB_HIDDEV is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_A4TECH=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BELKIN=y
+CONFIG_HID_CHERRY=y
+CONFIG_HID_CHICONY=y
+CONFIG_HID_CYPRESS=y
+CONFIG_HID_DRAGONRISE=y
+# CONFIG_DRAGONRISE_FF is not set
+CONFIG_HID_EZKEY=y
+CONFIG_HID_KYE=y
+CONFIG_HID_GYRATION=y
+CONFIG_HID_TWINHAN=y
+CONFIG_HID_KENSINGTON=y
+CONFIG_HID_LOGITECH=y
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MONTEREY=y
+CONFIG_HID_NTRIG=y
+CONFIG_HID_PANTHERLORD=y
+# CONFIG_PANTHERLORD_FF is not set
+CONFIG_HID_PETALYNX=y
+CONFIG_HID_SAMSUNG=y
+CONFIG_HID_SONY=y
+CONFIG_HID_SUNPLUS=y
+CONFIG_HID_GREENASIA=y
+# CONFIG_GREENASIA_FF is not set
+CONFIG_HID_SMARTJOYPLUS=y
+# CONFIG_SMARTJOYPLUS_FF is not set
+CONFIG_HID_TOPSEED=y
+CONFIG_HID_THRUSTMASTER=y
+# CONFIG_THRUSTMASTER_FF is not set
+CONFIG_HID_ZEROPLUS=y
+# CONFIG_ZEROPLUS_FF is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB=y
+CONFIG_USB_DEBUG=y
+CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
+
+#
+# Miscellaneous USB options
+#
+# CONFIG_USB_DEVICEFS is not set
+CONFIG_USB_DEVICE_CLASS=y
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_SUSPEND is not set
+# CONFIG_USB_OTG is not set
+CONFIG_USB_MON=y
+# CONFIG_USB_WUSB is not set
+# CONFIG_USB_WUSB_CBAF is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_OXU210HP_HCD is not set
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_ISP1362_HCD is not set
+CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+# CONFIG_USB_HWA_HCD is not set
+# CONFIG_USB_MUSB_HDRC is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
+
+#
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
+#
+
+#
+# also be needed; see USB_STORAGE Help for more info
+#
+CONFIG_USB_STORAGE=y
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+CONFIG_USB_STORAGE_FREECOM=y
+CONFIG_USB_STORAGE_ISD200=y
+CONFIG_USB_STORAGE_USBAT=y
+CONFIG_USB_STORAGE_SDDR09=y
+CONFIG_USB_STORAGE_SDDR55=y
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
+#
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_SEVSEG is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
+# CONFIG_USB_GADGET is not set
+
+#
+# OTG and related infrastructure
+#
+# CONFIG_USB_GPIO_VBUS is not set
+# CONFIG_NOP_USB_XCEIV is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD/SDIO Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+# CONFIG_MMC_TEST is not set
+
+#
+# MMC/SD/SDIO Host Controller Drivers
+#
+CONFIG_MMC_PXA=m
+# CONFIG_MMC_SDHCI is not set
+# CONFIG_MMC_AT91 is not set
+# CONFIG_MMC_ATMELMCI is not set
+# CONFIG_MMC_SPI is not set
+# CONFIG_MEMSTICK is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+# CONFIG_LEDS_PCA9532 is not set
+CONFIG_LEDS_GPIO=y
+CONFIG_LEDS_GPIO_PLATFORM=y
+# CONFIG_LEDS_LP3944 is not set
+# CONFIG_LEDS_PCA955X is not set
+# CONFIG_LEDS_DAC124S085 is not set
+# CONFIG_LEDS_PWM is not set
+# CONFIG_LEDS_BD2802 is not set
+CONFIG_LEDS_LT3593=y
+
+#
+# LED Triggers
+#
+CONFIG_LEDS_TRIGGERS=y
+# CONFIG_LEDS_TRIGGER_TIMER is not set
+# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
+CONFIG_LEDS_TRIGGER_BACKLIGHT=y
+# CONFIG_LEDS_TRIGGER_GPIO is not set
+# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
+
+#
+# iptables trigger is under Netfilter config (LED target)
+#
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_DS1390 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+# CONFIG_RTC_DRV_SA1100 is not set
+CONFIG_RTC_DRV_PXA=y
+CONFIG_DMADEVICES=y
+
+#
+# DMA Devices
+#
+# CONFIG_AUXDISPLAY is not set
+CONFIG_UIO=y
+# CONFIG_UIO_PDRV is not set
+# CONFIG_UIO_PDRV_GENIRQ is not set
+# CONFIG_UIO_SMX is not set
+# CONFIG_UIO_SERCOS3 is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+CONFIG_EXT2_FS_XIP=y
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+CONFIG_EXT3_FS_XATTR=y
+# CONFIG_EXT3_FS_POSIX_ACL is not set
+# CONFIG_EXT3_FS_SECURITY is not set
+# CONFIG_EXT4_FS is not set
+CONFIG_FS_XIP=y
+CONFIG_JBD=y
+CONFIG_FS_MBCACHE=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+CONFIG_FSCACHE=y
+CONFIG_FSCACHE_STATS=y
+# CONFIG_FSCACHE_HISTOGRAM is not set
+# CONFIG_FSCACHE_DEBUG is not set
+CONFIG_CACHEFILES=y
+# CONFIG_CACHEFILES_DEBUG is not set
+# CONFIG_CACHEFILES_HISTOGRAM is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+# CONFIG_TMPFS_POSIX_ACL is not set
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+# CONFIG_JFFS2_FS is not set
+CONFIG_UBIFS_FS=y
+# CONFIG_UBIFS_FS_XATTR is not set
+# CONFIG_UBIFS_FS_ADVANCED_COMPR is not set
+CONFIG_UBIFS_FS_LZO=y
+CONFIG_UBIFS_FS_ZLIB=y
+# CONFIG_UBIFS_FS_DEBUG is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+CONFIG_ROOT_NFS=y
+CONFIG_NFS_FSCACHE=y
+# CONFIG_NFSD is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_737=y
+CONFIG_NLS_CODEPAGE_775=y
+CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_CODEPAGE_852=y
+CONFIG_NLS_CODEPAGE_855=y
+CONFIG_NLS_CODEPAGE_857=y
+CONFIG_NLS_CODEPAGE_860=y
+CONFIG_NLS_CODEPAGE_861=y
+CONFIG_NLS_CODEPAGE_862=y
+CONFIG_NLS_CODEPAGE_863=y
+CONFIG_NLS_CODEPAGE_864=y
+CONFIG_NLS_CODEPAGE_865=y
+CONFIG_NLS_CODEPAGE_866=y
+CONFIG_NLS_CODEPAGE_869=y
+CONFIG_NLS_CODEPAGE_936=y
+CONFIG_NLS_CODEPAGE_950=y
+CONFIG_NLS_CODEPAGE_932=y
+CONFIG_NLS_CODEPAGE_949=y
+CONFIG_NLS_CODEPAGE_874=y
+CONFIG_NLS_ISO8859_8=y
+CONFIG_NLS_CODEPAGE_1250=y
+CONFIG_NLS_CODEPAGE_1251=y
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_2=y
+CONFIG_NLS_ISO8859_3=y
+CONFIG_NLS_ISO8859_4=y
+CONFIG_NLS_ISO8859_5=y
+CONFIG_NLS_ISO8859_6=y
+CONFIG_NLS_ISO8859_7=y
+CONFIG_NLS_ISO8859_9=y
+CONFIG_NLS_ISO8859_13=y
+CONFIG_NLS_ISO8859_14=y
+CONFIG_NLS_ISO8859_15=y
+CONFIG_NLS_KOI8_R=y
+CONFIG_NLS_KOI8_U=y
+CONFIG_NLS_UTF8=y
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+CONFIG_PRINTK_TIME=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+# CONFIG_DEBUG_RT_MUTEXES is not set
+# CONFIG_RT_MUTEX_TESTER is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+# CONFIG_SYSCTL_SYSCALL_CHECK is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+CONFIG_FTRACE=y
+# CONFIG_FUNCTION_TRACER is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
+# CONFIG_BOOT_TRACER is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_LL=y
+# CONFIG_DEBUG_ICEDCC is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_ALGAPI2=y
+CONFIG_CRYPTO_AEAD2=y
+CONFIG_CRYPTO_BLKCIPHER=y
+CONFIG_CRYPTO_BLKCIPHER2=y
+CONFIG_CRYPTO_HASH2=y
+CONFIG_CRYPTO_RNG2=y
+CONFIG_CRYPTO_PCOMP=y
+CONFIG_CRYPTO_MANAGER=y
+CONFIG_CRYPTO_MANAGER2=y
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+CONFIG_CRYPTO_WORKQUEUE=y
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+CONFIG_CRYPTO_ECB=y
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+CONFIG_CRYPTO_AES=y
+# CONFIG_CRYPTO_ANUBIS is not set
+CONFIG_CRYPTO_ARC4=y
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+CONFIG_CRYPTO_DEFLATE=y
+# CONFIG_CRYPTO_ZLIB is not set
+CONFIG_CRYPTO_LZO=y
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+# CONFIG_CRYPTO_HW is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+# CONFIG_CRC_CCITT is not set
+CONFIG_CRC16=y
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=y
+CONFIG_LZO_COMPRESS=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/arm/configs/rx51_defconfig b/arch/arm/configs/rx51_defconfig
index 426ae948aefe..45135ffadc57 100644
--- a/arch/arm/configs/rx51_defconfig
+++ b/arch/arm/configs/rx51_defconfig
@@ -322,6 +322,7 @@ CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_APM_EMULATION is not set
+CONFIG_PM_RUNTIME=y
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_NET=y
 
@@ -445,6 +446,8 @@ CONFIG_IP_NF_FILTER=m
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+CONFIG_PHONET=y
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
 # CONFIG_DCB is not set
 
@@ -1325,27 +1328,34 @@ CONFIG_USB_GADGET_SELECTED=y
 # CONFIG_USB_GADGET_LH7A40X is not set
 # CONFIG_USB_GADGET_OMAP is not set
 # CONFIG_USB_GADGET_PXA25X is not set
+# CONFIG_USB_GADGET_R8A66597 is not set
 # CONFIG_USB_GADGET_PXA27X is not set
-# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_S3C_HSOTG is not set
 # CONFIG_USB_GADGET_IMX is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
 # CONFIG_USB_GADGET_M66592 is not set
 # CONFIG_USB_GADGET_AMD5536UDC is not set
 # CONFIG_USB_GADGET_FSL_QE is not set
 # CONFIG_USB_GADGET_CI13XXX is not set
 # CONFIG_USB_GADGET_NET2280 is not set
 # CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LANGWELL is not set
 # CONFIG_USB_GADGET_DUMMY_HCD is not set
 CONFIG_USB_GADGET_DUALSPEED=y
 CONFIG_USB_ZERO=m
 # CONFIG_USB_ZERO_HNPTEST is not set
+# CONFIG_USB_AUDIO is not set
 # CONFIG_USB_ETH is not set
 # CONFIG_USB_GADGETFS is not set
 CONFIG_USB_FILE_STORAGE=m
 # CONFIG_USB_FILE_STORAGE_TEST is not set
+# CONFIG_USB_MASS_STORAGE is not set
 # CONFIG_USB_G_SERIAL is not set
 # CONFIG_USB_MIDI_GADGET is not set
 # CONFIG_USB_G_PRINTER is not set
 # CONFIG_USB_CDC_COMPOSITE is not set
+CONFIG_USB_G_NOKIA=m
+# CONFIG_USB_G_MULTI is not set
 
 #
 # OTG and related infrastructure
diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig
index 2f10dae02796..8e94c3caeb8c 100644
--- a/arch/arm/configs/s3c2410_defconfig
+++ b/arch/arm/configs/s3c2410_defconfig
@@ -187,7 +187,7 @@ CONFIG_S3C24XX_GPIO_EXTRA128=y
 CONFIG_PM_SIMTEC=y
 CONFIG_S3C2410_DMA=y
 # CONFIG_S3C2410_DMA_DEBUG is not set
-CONFIG_S3C24XX_ADC=y
+CONFIG_S3C_ADC=y
 CONFIG_MACH_SMDK=y
 CONFIG_PLAT_S3C=y
 CONFIG_CPU_LLSERIAL_S3C2410=y
@@ -203,8 +203,8 @@ CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
 #
 # Power management
 #
-# CONFIG_S3C2410_PM_DEBUG is not set
-# CONFIG_S3C2410_PM_CHECK is not set
+# CONFIG_SAMSUNG_PM_DEBUG is not set
+# CONFIG_SAMSUNG_PM_CHECK is not set
 CONFIG_S3C_LOWLEVEL_UART_PORT=0
 CONFIG_S3C_GPIO_SPACE=0
 CONFIG_S3C_DEV_HSMMC=y
diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig
index f56e50fab79b..5e7d4c1b8fc1 100644
--- a/arch/arm/configs/s3c6400_defconfig
+++ b/arch/arm/configs/s3c6400_defconfig
@@ -1,14 +1,11 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28-rc3
-# Mon Nov  3 10:10:30 2008
+# Linux kernel version: 2.6.33-rc4
+# Tue Jan 19 13:12:40 2010
 #
 CONFIG_ARM=y
 CONFIG_SYS_SUPPORTS_APM_EMULATION=y
 CONFIG_GENERIC_GPIO=y
-# CONFIG_GENERIC_TIME is not set
-# CONFIG_GENERIC_CLOCKEVENTS is not set
-CONFIG_MMU=y
 CONFIG_NO_IOPORT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_STACKTRACE_SUPPORT=y
@@ -18,13 +15,13 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_HARDIRQS_SW_RESEND=y
 CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
-# CONFIG_ARCH_HAS_ILOG2_U32 is not set
-# CONFIG_ARCH_HAS_ILOG2_U64 is not set
+CONFIG_ARCH_HAS_CPUFREQ=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_VECTORS_BASE=0xffff0000
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -34,13 +31,30 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
 CONFIG_SWAP=y
 # CONFIG_SYSVIPC is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=17
-# CONFIG_CGROUPS is not set
 # CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
@@ -50,8 +64,13 @@ CONFIG_NAMESPACES=y
 # CONFIG_PID_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+CONFIG_RD_LZO=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
 # CONFIG_EMBEDDED is not set
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
@@ -62,32 +81,38 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
-CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
-CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_SLUB_DEBUG=y
+CONFIG_COMPAT_BRK=y
 # CONFIG_SLAB is not set
 CONFIG_SLUB=y
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
 # CONFIG_KPROBES is not set
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
 CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_SLOW_WORK is not set
 CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
-# CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 # CONFIG_MODULE_FORCE_LOAD is not set
@@ -95,11 +120,8 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_KMOD=y
 CONFIG_BLOCK=y
-CONFIG_LBD=y
-# CONFIG_BLK_DEV_IO_TRACE is not set
-CONFIG_LSF=y
+CONFIG_LBDAF=y
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -107,33 +129,62 @@ CONFIG_LSF=y
 # IO Schedulers
 #
 CONFIG_IOSCHED_NOOP=y
-CONFIG_IOSCHED_AS=y
 CONFIG_IOSCHED_DEADLINE=y
 CONFIG_IOSCHED_CFQ=y
-# CONFIG_DEFAULT_AS is not set
 # CONFIG_DEFAULT_DEADLINE is not set
 CONFIG_DEFAULT_CFQ=y
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="cfq"
-CONFIG_CLASSIC_RCU=y
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
 # CONFIG_FREEZER is not set
 
 #
 # System Type
 #
+CONFIG_MMU=y
 # CONFIG_ARCH_AAEC2000 is not set
 # CONFIG_ARCH_INTEGRATOR is not set
 # CONFIG_ARCH_REALVIEW is not set
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_AT91 is not set
-# CONFIG_ARCH_CLPS7500 is not set
 # CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
 # CONFIG_ARCH_EBSA110 is not set
 # CONFIG_ARCH_EP93XX is not set
 # CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
 # CONFIG_ARCH_NETX is not set
 # CONFIG_ARCH_H720X is not set
-# CONFIG_ARCH_IMX is not set
+# CONFIG_ARCH_NOMADIK is not set
 # CONFIG_ARCH_IOP13XX is not set
 # CONFIG_ARCH_IOP32X is not set
 # CONFIG_ARCH_IOP33X is not set
@@ -141,35 +192,62 @@ CONFIG_CLASSIC_RCU=y
 # CONFIG_ARCH_IXP2000 is not set
 # CONFIG_ARCH_IXP4XX is not set
 # CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
 # CONFIG_ARCH_KIRKWOOD is not set
-# CONFIG_ARCH_KS8695 is not set
-# CONFIG_ARCH_NS9XXX is not set
 # CONFIG_ARCH_LOKI is not set
 # CONFIG_ARCH_MV78XX0 is not set
-# CONFIG_ARCH_MXC is not set
 # CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
 # CONFIG_ARCH_PNX4008 is not set
 # CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MSM is not set
 # CONFIG_ARCH_RPC is not set
 # CONFIG_ARCH_SA1100 is not set
 # CONFIG_ARCH_S3C2410 is not set
 CONFIG_ARCH_S3C64XX=y
+# CONFIG_ARCH_S5P6440 is not set
+# CONFIG_ARCH_S5PC1XX is not set
 # CONFIG_ARCH_SHARK is not set
 # CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
 # CONFIG_ARCH_DAVINCI is not set
 # CONFIG_ARCH_OMAP is not set
-# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
+CONFIG_PLAT_SAMSUNG=y
+CONFIG_SAMSUNG_CLKSRC=y
+CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
+CONFIG_SAMSUNG_IRQ_UART=y
+CONFIG_S3C_GPIO_CFG_S3C24XX=y
+CONFIG_S3C_GPIO_CFG_S3C64XX=y
+CONFIG_S3C_GPIO_PULL_UPDOWN=y
+CONFIG_SAMSUNG_GPIO_EXTRA=0
+# CONFIG_S3C_ADC is not set
+CONFIG_S3C_DEV_HSMMC=y
+CONFIG_S3C_DEV_HSMMC1=y
+CONFIG_S3C_DEV_I2C1=y
+CONFIG_S3C_DEV_FB=y
+CONFIG_S3C_DEV_USB_HOST=y
+CONFIG_S3C_DEV_USB_HSOTG=y
+CONFIG_S3C_DEV_NAND=y
 CONFIG_PLAT_S3C64XX=y
 CONFIG_CPU_S3C6400_INIT=y
 CONFIG_CPU_S3C6400_CLOCK=y
+# CONFIG_S3C64XX_DMA is not set
 CONFIG_S3C64XX_SETUP_I2C0=y
 CONFIG_S3C64XX_SETUP_I2C1=y
+CONFIG_S3C64XX_SETUP_FB_24BPP=y
+CONFIG_S3C64XX_SETUP_SDHCI_GPIO=y
 CONFIG_PLAT_S3C=y
 
 #
 # Boot options
 #
 CONFIG_S3C_BOOT_ERROR_RESET=y
+CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
 
 #
 # Power management
@@ -177,17 +255,16 @@ CONFIG_S3C_BOOT_ERROR_RESET=y
 CONFIG_S3C_LOWLEVEL_UART_PORT=0
 CONFIG_S3C_GPIO_SPACE=0
 CONFIG_S3C_GPIO_TRACK=y
-CONFIG_S3C_GPIO_PULL_UPDOWN=y
-CONFIG_S3C_GPIO_CFG_S3C24XX=y
-CONFIG_S3C_GPIO_CFG_S3C64XX=y
-CONFIG_S3C_DEV_HSMMC=y
-CONFIG_S3C_DEV_HSMMC1=y
-CONFIG_S3C_DEV_I2C1=y
+# CONFIG_MACH_SMDK6400 is not set
 CONFIG_CPU_S3C6410=y
 CONFIG_S3C6410_SETUP_SDHCI=y
+# CONFIG_MACH_ANW6410 is not set
 CONFIG_MACH_SMDK6410=y
 CONFIG_SMDK6410_SD_CH0=y
 # CONFIG_SMDK6410_SD_CH1 is not set
+# CONFIG_SMDK6410_WM1190_EV1 is not set
+# CONFIG_MACH_NCP is not set
+# CONFIG_MACH_HMT is not set
 
 #
 # Processor Type
@@ -196,7 +273,7 @@ CONFIG_CPU_V6=y
 CONFIG_CPU_32v6K=y
 CONFIG_CPU_32v6=y
 CONFIG_CPU_ABRT_EV6=y
-CONFIG_CPU_PABRT_NOIFAR=y
+CONFIG_CPU_PABRT_V6=y
 CONFIG_CPU_CACHE_V6=y
 CONFIG_CPU_CACHE_VIPT=y
 CONFIG_CPU_COPY_V6=y
@@ -212,8 +289,10 @@ CONFIG_ARM_THUMB=y
 # CONFIG_CPU_ICACHE_DISABLE is not set
 # CONFIG_CPU_DCACHE_DISABLE is not set
 # CONFIG_CPU_BPREDICT_DISABLE is not set
-# CONFIG_OUTER_CACHE is not set
+CONFIG_ARM_L1_CACHE_SHIFT=5
+# CONFIG_ARM_ERRATA_411920 is not set
 CONFIG_ARM_VIC=y
+CONFIG_ARM_VIC_NR=2
 
 #
 # Bus support
@@ -229,13 +308,15 @@ CONFIG_VMSPLIT_3G=y
 # CONFIG_VMSPLIT_2G is not set
 # CONFIG_VMSPLIT_1G is not set
 CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
 CONFIG_HZ=100
 CONFIG_AEABI=y
 CONFIG_OABI_COMPAT=y
-CONFIG_ARCH_FLATMEM_HAS_HOLES=y
 # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
 # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -243,26 +324,28 @@ CONFIG_FLATMEM_MANUAL=y
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
-CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_RESOURCES_64BIT is not set
+CONFIG_SPLIT_PTLOCK_CPUS=999999
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
-CONFIG_UNEVICTABLE_LRU=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
 
 #
 # Boot options
 #
 CONFIG_ZBOOT_ROM_TEXT=0
 CONFIG_ZBOOT_ROM_BSS=0
-CONFIG_CMDLINE="console=ttySAC0,115200 root=/dev/ram init=/bin/bash initrd=0x51000000,4M"
+CONFIG_CMDLINE="console=ttySAC0,115200 root=/dev/ram init=/linuxrc initrd=0x51000000,6M ramdisk_size=6144"
 # CONFIG_XIP_KERNEL is not set
 # CONFIG_KEXEC is not set
 
 #
 # CPU Power Management
 #
+# CONFIG_CPU_FREQ is not set
 # CONFIG_CPU_IDLE is not set
 
 #
@@ -300,6 +383,7 @@ CONFIG_ARCH_SUSPEND_POSSIBLE=y
 # Generic Driver Options
 #
 CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
@@ -314,14 +398,32 @@ CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
 # CONFIG_BLK_DEV_CRYPTOLOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
 # CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_MG_DISK is not set
 CONFIG_MISC_DEVICES=y
-# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_AD525X_DPOT is not set
+# CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_ISL29003 is not set
+# CONFIG_DS1682 is not set
+# CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+CONFIG_EEPROM_AT24=y
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_MAX6875 is not set
+# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_IWMC3200TOP is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
@@ -334,6 +436,7 @@ CONFIG_HAVE_IDE=y
 # CONFIG_SCSI_NETLINK is not set
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
+# CONFIG_PHONE is not set
 
 #
 # Input device support
@@ -341,6 +444,7 @@ CONFIG_HAVE_IDE=y
 CONFIG_INPUT=y
 # CONFIG_INPUT_FF_MEMLESS is not set
 # CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
 
 #
 # Userland interfaces
@@ -357,27 +461,33 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # Input Device Drivers
 #
 CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ADP5588 is not set
 CONFIG_KEYBOARD_ATKBD=y
-# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_QT2160 is not set
 # CONFIG_KEYBOARD_LKKBD is not set
-# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_MAX7359 is not set
 # CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_OPENCORES is not set
 # CONFIG_KEYBOARD_STOWAWAY is not set
-# CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
 CONFIG_INPUT_MOUSE=y
 CONFIG_MOUSE_PS2=y
 CONFIG_MOUSE_PS2_ALPS=y
 CONFIG_MOUSE_PS2_LOGIPS2PP=y
 CONFIG_MOUSE_PS2_SYNAPTICS=y
-CONFIG_MOUSE_PS2_LIFEBOOK=y
 CONFIG_MOUSE_PS2_TRACKPOINT=y
 # CONFIG_MOUSE_PS2_ELANTECH is not set
+# CONFIG_MOUSE_PS2_SENTELIC is not set
 # CONFIG_MOUSE_PS2_TOUCHKIT is not set
 # CONFIG_MOUSE_SERIAL is not set
 # CONFIG_MOUSE_APPLETOUCH is not set
 # CONFIG_MOUSE_BCM5974 is not set
 # CONFIG_MOUSE_VSXXXAA is not set
 # CONFIG_MOUSE_GPIO is not set
+# CONFIG_MOUSE_SYNAPTICS_I2C is not set
 # CONFIG_INPUT_JOYSTICK is not set
 # CONFIG_INPUT_TABLET is not set
 # CONFIG_INPUT_TOUCHSCREEN is not set
@@ -390,6 +500,7 @@ CONFIG_SERIO=y
 CONFIG_SERIO_SERPORT=y
 CONFIG_SERIO_LIBPS2=y
 # CONFIG_SERIO_RAW is not set
+# CONFIG_SERIO_ALTERA_PS2 is not set
 # CONFIG_GAMEPORT is not set
 
 #
@@ -423,16 +534,18 @@ CONFIG_SERIAL_S3C6400=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
 # CONFIG_IPMI_HANDLER is not set
 CONFIG_HW_RANDOM=y
-# CONFIG_NVRAM is not set
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_HELPER_AUTO=y
 
@@ -443,6 +556,7 @@ CONFIG_I2C_HELPER_AUTO=y
 #
 # I2C system bus drivers (mostly embedded / system-on-chip)
 #
+# CONFIG_I2C_DESIGNWARE is not set
 # CONFIG_I2C_GPIO is not set
 # CONFIG_I2C_OCORES is not set
 CONFIG_I2C_S3C2410=y
@@ -463,32 +577,33 @@ CONFIG_I2C_S3C2410=y
 #
 # Miscellaneous I2C Chip support
 #
-# CONFIG_DS1682 is not set
-CONFIG_EEPROM_AT24=y
-# CONFIG_EEPROM_LEGACY is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_PCF8575 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_TPS65010 is not set
-# CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
 # CONFIG_I2C_DEBUG_CHIP is not set
 # CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 CONFIG_ARCH_REQUIRE_GPIOLIB=y
 CONFIG_GPIOLIB=y
 # CONFIG_DEBUG_GPIO is not set
 # CONFIG_GPIO_SYSFS is not set
 
 #
+# Memory mapped GPIO expanders:
+#
+
+#
 # I2C GPIO expanders:
 #
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
@@ -497,10 +612,19 @@ CONFIG_GPIOLIB=y
 #
 # SPI GPIO expanders:
 #
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Native drivers
+#
 # CONFIG_SENSORS_AD7414 is not set
 # CONFIG_SENSORS_AD7418 is not set
 # CONFIG_SENSORS_ADM1021 is not set
@@ -509,17 +633,21 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1029 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7462 is not set
 # CONFIG_SENSORS_ADT7470 is not set
 # CONFIG_SENSORS_ADT7473 is not set
+# CONFIG_SENSORS_ADT7475 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_F71805F is not set
 # CONFIG_SENSORS_F71882FG is not set
 # CONFIG_SENSORS_F75375S is not set
+# CONFIG_SENSORS_G760A is not set
 # CONFIG_SENSORS_GL518SM is not set
 # CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM63 is not set
+# CONFIG_SENSORS_LM73 is not set
 # CONFIG_SENSORS_LM75 is not set
 # CONFIG_SENSORS_LM77 is not set
 # CONFIG_SENSORS_LM78 is not set
@@ -530,16 +658,24 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_LM90 is not set
 # CONFIG_SENSORS_LM92 is not set
 # CONFIG_SENSORS_LM93 is not set
+# CONFIG_SENSORS_LTC4215 is not set
+# CONFIG_SENSORS_LTC4245 is not set
+# CONFIG_SENSORS_LM95241 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_MAX6650 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_SHT15 is not set
 # CONFIG_SENSORS_DME1737 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_AMC6821 is not set
 # CONFIG_SENSORS_THMC50 is not set
+# CONFIG_SENSORS_TMP401 is not set
+# CONFIG_SENSORS_TMP421 is not set
 # CONFIG_SENSORS_VT1211 is not set
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83791D is not set
@@ -549,15 +685,14 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
-# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_SENSORS_LIS3_I2C is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 # CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
 
 #
 # Sonics Silicon Backplane
 #
-CONFIG_SSB_POSSIBLE=y
 # CONFIG_SSB is not set
 
 #
@@ -568,28 +703,22 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_ASIC3 is not set
 # CONFIG_HTC_EGPIO is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_MFD_T7L66XB is not set
 # CONFIG_MFD_TC6387XB is not set
 # CONFIG_MFD_TC6393XB is not set
 # CONFIG_PMIC_DA903X is not set
+# CONFIG_PMIC_ADP5520 is not set
 # CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-# CONFIG_DAB is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_MFD_88PM8607 is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -612,17 +741,15 @@ CONFIG_DUMMY_CONSOLE=y
 # CONFIG_SOUND is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
-CONFIG_HID_DEBUG=y
 # CONFIG_HIDRAW is not set
 # CONFIG_HID_PID is not set
 
 #
 # Special HID drivers
 #
-# CONFIG_HID_COMPAT is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
-# CONFIG_USB_ARCH_HAS_OHCI is not set
+CONFIG_USB_ARCH_HAS_OHCI=y
 # CONFIG_USB_ARCH_HAS_EHCI is not set
 # CONFIG_USB is not set
 
@@ -631,9 +758,13 @@ CONFIG_USB_ARCH_HAS_HCD=y
 #
 
 #
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
 #
 # CONFIG_USB_GADGET is not set
+
+#
+# OTG and related infrastructure
+#
 CONFIG_MMC=y
 CONFIG_MMC_DEBUG=y
 CONFIG_MMC_UNSAFE_RESUME=y
@@ -650,22 +781,24 @@ CONFIG_SDIO_UART=y
 # MMC/SD/SDIO Host Controller Drivers
 #
 CONFIG_MMC_SDHCI=y
+# CONFIG_MMC_SDHCI_PLTFM is not set
 CONFIG_MMC_SDHCI_S3C=y
+# CONFIG_MMC_SDHCI_S3C_DMA is not set
+# CONFIG_MMC_AT91 is not set
+# CONFIG_MMC_ATMELMCI is not set
 # CONFIG_MEMSTICK is not set
-# CONFIG_ACCESSIBILITY is not set
 # CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
 CONFIG_RTC_LIB=y
 # CONFIG_RTC_CLASS is not set
 # CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
 
 #
-# Voltage and Current regulators
+# TI VLYNQ
 #
-# CONFIG_REGULATOR is not set
-# CONFIG_REGULATOR_FIXED_VOLTAGE is not set
-# CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set
-# CONFIG_REGULATOR_BQ24022 is not set
-# CONFIG_UIO is not set
+# CONFIG_STAGING is not set
 
 #
 # File systems
@@ -674,6 +807,7 @@ CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
 CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
 CONFIG_EXT3_FS_XATTR=y
 CONFIG_EXT3_FS_POSIX_ACL=y
 CONFIG_EXT3_FS_SECURITY=y
@@ -683,9 +817,12 @@ CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
 # CONFIG_GFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -696,6 +833,11 @@ CONFIG_INOTIFY_USER=y
 CONFIG_GENERIC_ACL=y
 
 #
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
 # CD-ROM/DVD Filesystems
 #
 # CONFIG_ISO9660_FS is not set
@@ -719,10 +861,7 @@ CONFIG_TMPFS=y
 CONFIG_TMPFS_POSIX_ACL=y
 # CONFIG_HUGETLB_PAGE is not set
 # CONFIG_CONFIGFS_FS is not set
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_ADFS_FS is not set
 # CONFIG_AFFS_FS is not set
 # CONFIG_HFS_FS is not set
@@ -731,12 +870,17 @@ CONFIG_TMPFS_POSIX_ACL=y
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
 CONFIG_CRAMFS=y
+# CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_OMFS_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
 CONFIG_ROMFS_FS=y
+CONFIG_ROMFS_BACKED_BY_BLOCK=y
+# CONFIG_ROMFS_BACKED_BY_MTD is not set
+# CONFIG_ROMFS_BACKED_BY_BOTH is not set
+CONFIG_ROMFS_ON_BLOCK=y
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
 
@@ -755,6 +899,7 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 # CONFIG_DEBUG_FS is not set
 # CONFIG_HEADERS_CHECK is not set
@@ -763,12 +908,16 @@ CONFIG_DEBUG_KERNEL=y
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
 CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
 # CONFIG_DEBUG_OBJECTS is not set
 # CONFIG_SLUB_DEBUG_ON is not set
 # CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
 CONFIG_DEBUG_RT_MUTEXES=y
 CONFIG_DEBUG_PI_LIST=y
 # CONFIG_RT_MUTEX_TESTER is not set
@@ -787,34 +936,43 @@ CONFIG_DEBUG_INFO=y
 CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
-CONFIG_FRAME_POINTER=y
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_LATENCYTOP is not set
 CONFIG_SYSCTL_SYSCALL_CHECK=y
+# CONFIG_PAGE_POISONING is not set
 CONFIG_HAVE_FUNCTION_TRACER=y
-
-#
-# Tracers
-#
+CONFIG_TRACING_SUPPORT=y
+CONFIG_FTRACE=y
 # CONFIG_FUNCTION_TRACER is not set
 # CONFIG_SCHED_TRACER is not set
-# CONFIG_CONTEXT_SWITCH_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
 # CONFIG_BOOT_TRACER is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
 # CONFIG_STACK_TRACER is not set
-# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_ERRORS=y
 # CONFIG_DEBUG_STACK_USAGE is not set
 CONFIG_DEBUG_LL=y
+# CONFIG_EARLY_PRINTK is not set
 # CONFIG_DEBUG_ICEDCC is not set
+# CONFIG_OC_ETM is not set
 CONFIG_DEBUG_S3C_UART=0
 
 #
@@ -823,13 +981,19 @@ CONFIG_DEBUG_S3C_UART=0
 # CONFIG_KEYS is not set
 # CONFIG_SECURITY is not set
 # CONFIG_SECURITYFS is not set
-# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
 # CONFIG_CRYPTO is not set
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
@@ -838,6 +1002,10 @@ CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
-CONFIG_PLIST=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_BZIP2=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_LZO=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/s5p6440_defconfig b/arch/arm/configs/s5p6440_defconfig
new file mode 100644
index 000000000000..279a15e53114
--- /dev/null
+++ b/arch/arm/configs/s5p6440_defconfig
@@ -0,0 +1,969 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.33-rc2
+# Sat Jan  9 16:33:55 2010
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_NO_IOPORT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_SWAP=y
+# CONFIG_SYSVIPC is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=17
+# CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+# CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+CONFIG_COMPAT_BRK=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+# CONFIG_FREEZER is not set
+
+#
+# System Type
+#
+CONFIG_MMU=y
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_NOMADIK is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+CONFIG_ARCH_S5P6440=y
+# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
+CONFIG_PLAT_SAMSUNG=y
+CONFIG_SAMSUNG_CLKSRC=y
+CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
+CONFIG_SAMSUNG_IRQ_UART=y
+CONFIG_SAMSUNG_GPIO_EXTRA=0
+CONFIG_PLAT_S3C=y
+
+#
+# Boot options
+#
+CONFIG_S3C_BOOT_ERROR_RESET=y
+CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
+
+#
+# Power management
+#
+CONFIG_S3C_LOWLEVEL_UART_PORT=1
+CONFIG_S3C_GPIO_SPACE=0
+CONFIG_S3C_GPIO_TRACK=y
+CONFIG_PLAT_S5P=y
+CONFIG_CPU_S5P6440_INIT=y
+CONFIG_CPU_S5P6440_CLOCK=y
+CONFIG_CPU_S5P6440=y
+CONFIG_MACH_SMDK6440=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_V6=y
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_32v6=y
+CONFIG_CPU_ABRT_EV6=y
+CONFIG_CPU_PABRT_V6=y
+CONFIG_CPU_CACHE_V6=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V6=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_ARM_L1_CACHE_SHIFT=5
+# CONFIG_ARM_ERRATA_411920 is not set
+CONFIG_ARM_VIC=y
+CONFIG_ARM_VIC_NR=2
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_HZ=200
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=999999
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0
+CONFIG_ZBOOT_ROM_BSS=0
+CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x20800000,8M console=ttySAC1,115200 init=/linuxrc"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_IDLE is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_FPE_NWFPE=y
+# CONFIG_FPE_NWFPE_XP is not set
+# CONFIG_FPE_FASTFPE is not set
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+# CONFIG_NET is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
+CONFIG_STANDALONE=y
+# CONFIG_PREVENT_FIRMWARE_BUILD is not set
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_MTD is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=8192
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_MG_DISK is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+CONFIG_CHR_DEV_SG=y
+# CONFIG_CHR_DEV_SCH is not set
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_LIBFC is not set
+# CONFIG_LIBFCOE is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_KEYBOARD_ATKBD=y
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_OPENCORES is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+CONFIG_INPUT_MOUSE=y
+CONFIG_MOUSE_PS2=y
+CONFIG_MOUSE_PS2_ALPS=y
+CONFIG_MOUSE_PS2_LOGIPS2PP=y
+CONFIG_MOUSE_PS2_SYNAPTICS=y
+CONFIG_MOUSE_PS2_TRACKPOINT=y
+# CONFIG_MOUSE_PS2_ELANTECH is not set
+# CONFIG_MOUSE_PS2_SENTELIC is not set
+# CONFIG_MOUSE_PS2_TOUCHKIT is not set
+# CONFIG_MOUSE_SERIAL is not set
+# CONFIG_MOUSE_VSXXXAA is not set
+# CONFIG_MOUSE_GPIO is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_AD7879 is not set
+# CONFIG_TOUCHSCREEN_DYNAPRO is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_TOUCHSCREEN_W90X900 is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_SERPORT=y
+CONFIG_SERIO_LIBPS2=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_SERIO_ALTERA_PS2 is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_CONSOLE is not set
+CONFIG_SERIAL_8250_NR_UARTS=3
+CONFIG_SERIAL_8250_RUNTIME_UARTS=3
+# CONFIG_SERIAL_8250_EXTENDED is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SAMSUNG=y
+CONFIG_SERIAL_SAMSUNG_UARTS=4
+# CONFIG_SERIAL_SAMSUNG_DEBUG is not set
+CONFIG_SERIAL_SAMSUNG_CONSOLE=y
+CONFIG_SERIAL_S5P6440=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+
+#
+# AC97 GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+CONFIG_DISPLAY_SUPPORT=y
+
+#
+# Display hardware drivers
+#
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
+CONFIG_EXT3_FS_XATTR=y
+CONFIG_EXT3_FS_POSIX_ACL=y
+CONFIG_EXT3_FS_SECURITY=y
+# CONFIG_EXT4_FS is not set
+CONFIG_JBD=y
+CONFIG_FS_MBCACHE=y
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+CONFIG_GENERIC_ACL=y
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_CRAMFS=y
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+CONFIG_ROMFS_FS=y
+CONFIG_ROMFS_BACKED_BY_BLOCK=y
+# CONFIG_ROMFS_BACKED_BY_MTD is not set
+# CONFIG_ROMFS_BACKED_BY_BOTH is not set
+CONFIG_ROMFS_ON_BLOCK=y
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+CONFIG_DEBUG_RT_MUTEXES=y
+CONFIG_DEBUG_PI_LIST=y
+# CONFIG_RT_MUTEX_TESTER is not set
+CONFIG_DEBUG_SPINLOCK=y
+CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+CONFIG_DEBUG_SPINLOCK_SLEEP=y
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+CONFIG_FTRACE=y
+# CONFIG_FUNCTION_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
+# CONFIG_BOOT_TRACER is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_LL=y
+# CONFIG_EARLY_PRINTK is not set
+# CONFIG_DEBUG_ICEDCC is not set
+# CONFIG_OC_ETM is not set
+CONFIG_DEBUG_S3C_UART=1
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_MANAGER2 is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=y
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_BZIP2=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/s5p6442_defconfig b/arch/arm/configs/s5p6442_defconfig
new file mode 100644
index 000000000000..74e20bfc0487
--- /dev/null
+++ b/arch/arm/configs/s5p6442_defconfig
@@ -0,0 +1,883 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.33-rc4
+# Mon Jan 25 08:50:28 2010
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_NO_IOPORT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
+CONFIG_SWAP=y
+# CONFIG_SYSVIPC is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=17
+# CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+CONFIG_RD_LZO=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+# CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+CONFIG_COMPAT_BRK=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+# CONFIG_FREEZER is not set
+
+#
+# System Type
+#
+CONFIG_MMU=y
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_NOMADIK is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5P6440 is not set
+CONFIG_ARCH_S5P6442=y
+# CONFIG_ARCH_S5PC1XX is not set
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
+CONFIG_PLAT_SAMSUNG=y
+CONFIG_SAMSUNG_CLKSRC=y
+CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
+CONFIG_SAMSUNG_IRQ_UART=y
+CONFIG_SAMSUNG_GPIOLIB_4BIT=y
+CONFIG_S3C_GPIO_CFG_S3C24XX=y
+CONFIG_S3C_GPIO_CFG_S3C64XX=y
+CONFIG_S3C_GPIO_PULL_UPDOWN=y
+CONFIG_SAMSUNG_GPIO_EXTRA=0
+# CONFIG_S3C_ADC is not set
+
+#
+# Power management
+#
+CONFIG_PLAT_S3C=y
+
+#
+# Boot options
+#
+# CONFIG_S3C_BOOT_ERROR_RESET is not set
+CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
+CONFIG_S3C_LOWLEVEL_UART_PORT=1
+CONFIG_S3C_GPIO_SPACE=0
+CONFIG_S3C_GPIO_TRACK=y
+CONFIG_PLAT_S5P=y
+CONFIG_CPU_S5P6442=y
+CONFIG_MACH_SMDK6442=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_V6=y
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_32v6=y
+CONFIG_CPU_ABRT_EV6=y
+CONFIG_CPU_PABRT_V6=y
+CONFIG_CPU_CACHE_V6=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V6=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_ARM_L1_CACHE_SHIFT=5
+# CONFIG_ARM_ERRATA_411920 is not set
+CONFIG_ARM_VIC=y
+CONFIG_ARM_VIC_NR=2
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+CONFIG_VMSPLIT_3G=y
+# CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0xC0000000
+CONFIG_PREEMPT_NONE=y
+# CONFIG_PREEMPT_VOLUNTARY is not set
+# CONFIG_PREEMPT is not set
+CONFIG_HZ=200
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+# CONFIG_ARCH_SPARSEMEM_DEFAULT is not set
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=999999
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0
+CONFIG_ZBOOT_ROM_BSS=0
+CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x20800000,8M console=ttySAC1,115200 init=/linuxrc"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_IDLE is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+CONFIG_FPE_NWFPE=y
+# CONFIG_FPE_NWFPE_XP is not set
+# CONFIG_FPE_FASTFPE is not set
+# CONFIG_VFP is not set
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+# CONFIG_NET is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
+CONFIG_STANDALONE=y
+# CONFIG_PREVENT_FIRMWARE_BUILD is not set
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_MTD is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=8192
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_MG_DISK is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+CONFIG_CHR_DEV_SG=y
+# CONFIG_CHR_DEV_SCH is not set
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_LIBFC is not set
+# CONFIG_LIBFCOE is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_AD7879 is not set
+# CONFIG_TOUCHSCREEN_DYNAPRO is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_TOUCHSCREEN_W90X900 is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_SERPORT=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_SERIO_ALTERA_PS2 is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_CONSOLE is not set
+CONFIG_SERIAL_8250_NR_UARTS=3
+CONFIG_SERIAL_8250_RUNTIME_UARTS=3
+# CONFIG_SERIAL_8250_EXTENDED is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SAMSUNG=y
+CONFIG_SERIAL_SAMSUNG_UARTS=3
+# CONFIG_SERIAL_SAMSUNG_DEBUG is not set
+CONFIG_SERIAL_SAMSUNG_CONSOLE=y
+CONFIG_SERIAL_S5PV210=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+
+#
+# AC97 GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+CONFIG_GENERIC_ACL=y
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_CRAMFS=y
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+CONFIG_ROMFS_FS=y
+CONFIG_ROMFS_BACKED_BY_BLOCK=y
+# CONFIG_ROMFS_BACKED_BY_MTD is not set
+# CONFIG_ROMFS_BACKED_BY_BOTH is not set
+CONFIG_ROMFS_ON_BLOCK=y
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_BSD_DISKLABEL=y
+# CONFIG_MINIX_SUBPARTITION is not set
+CONFIG_SOLARIS_X86_PARTITION=y
+# CONFIG_UNIXWARE_DISKLABEL is not set
+# CONFIG_LDM_PARTITION is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+# CONFIG_SYSV68_PARTITION is not set
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+CONFIG_DEBUG_RT_MUTEXES=y
+CONFIG_DEBUG_PI_LIST=y
+# CONFIG_RT_MUTEX_TESTER is not set
+CONFIG_DEBUG_SPINLOCK=y
+CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+CONFIG_DEBUG_SPINLOCK_SLEEP=y
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+CONFIG_FRAME_POINTER=y
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+CONFIG_FTRACE=y
+# CONFIG_FUNCTION_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
+# CONFIG_BOOT_TRACER is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+# CONFIG_ARM_UNWIND is not set
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_LL=y
+# CONFIG_EARLY_PRINTK is not set
+# CONFIG_DEBUG_ICEDCC is not set
+# CONFIG_OC_ETM is not set
+CONFIG_DEBUG_S3C_UART=1
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+# CONFIG_CRYPTO is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=y
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_BZIP2=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_LZO=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/s5pc110_defconfig b/arch/arm/configs/s5pc110_defconfig
new file mode 100644
index 000000000000..6ea636131ac8
--- /dev/null
+++ b/arch/arm/configs/s5pc110_defconfig
@@ -0,0 +1,894 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.33-rc4
+# Wed Feb 24 15:36:54 2010
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_NO_IOPORT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_ARM_L1_CACHE_SHIFT_6=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
+CONFIG_SWAP=y
+# CONFIG_SYSVIPC is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=17
+# CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+CONFIG_RD_LZO=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+# CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+CONFIG_COMPAT_BRK=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+# CONFIG_FREEZER is not set
+
+#
+# System Type
+#
+CONFIG_MMU=y
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_NOMADIK is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5P6440 is not set
+# CONFIG_ARCH_S5P6442 is not set
+# CONFIG_ARCH_S5PC1XX is not set
+CONFIG_ARCH_S5PV210=y
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
+CONFIG_PLAT_SAMSUNG=y
+
+#
+# Boot options
+#
+# CONFIG_S3C_BOOT_ERROR_RESET is not set
+CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
+CONFIG_S3C_LOWLEVEL_UART_PORT=1
+CONFIG_SAMSUNG_CLKSRC=y
+CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
+CONFIG_SAMSUNG_IRQ_UART=y
+CONFIG_SAMSUNG_GPIOLIB_4BIT=y
+CONFIG_S3C_GPIO_CFG_S3C24XX=y
+CONFIG_S3C_GPIO_CFG_S3C64XX=y
+CONFIG_S3C_GPIO_PULL_UPDOWN=y
+CONFIG_SAMSUNG_GPIO_EXTRA=0
+CONFIG_S3C_GPIO_SPACE=0
+CONFIG_S3C_GPIO_TRACK=y
+# CONFIG_S3C_ADC is not set
+
+#
+# Power management
+#
+CONFIG_PLAT_S5P=y
+CONFIG_CPU_S5PV210=y
+# CONFIG_MACH_SMDKV210 is not set
+CONFIG_MACH_SMDKC110=y
+
+#
+# Processor Type
+#
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_V7=y
+CONFIG_CPU_32v7=y
+CONFIG_CPU_ABRT_EV7=y
+CONFIG_CPU_PABRT_V7=y
+CONFIG_CPU_CACHE_V7=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V7=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_ARM_THUMBEE is not set
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_HAS_TLS_REG=y
+CONFIG_ARM_L1_CACHE_SHIFT=6
+# CONFIG_ARM_ERRATA_430973 is not set
+# CONFIG_ARM_ERRATA_458693 is not set
+# CONFIG_ARM_ERRATA_460075 is not set
+CONFIG_ARM_VIC=y
+CONFIG_ARM_VIC_NR=2
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+# CONFIG_VMSPLIT_3G is not set
+CONFIG_VMSPLIT_2G=y
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0x80000000
+# CONFIG_PREEMPT_NONE is not set
+# CONFIG_PREEMPT_VOLUNTARY is not set
+CONFIG_PREEMPT=y
+CONFIG_HZ=200
+# CONFIG_THUMB2_KERNEL is not set
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+# CONFIG_FLATMEM_MANUAL is not set
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+CONFIG_SPARSEMEM_MANUAL=y
+CONFIG_SPARSEMEM=y
+CONFIG_HAVE_MEMORY_PRESENT=y
+CONFIG_SPARSEMEM_EXTREME=y
+CONFIG_SPLIT_PTLOCK_CPUS=999999
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0
+CONFIG_ZBOOT_ROM_BSS=0
+CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x20800000,8M console=ttySAC1,115200 init=/linuxrc"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_IDLE is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+# CONFIG_FPE_NWFPE is not set
+# CONFIG_FPE_FASTFPE is not set
+CONFIG_VFP=y
+CONFIG_VFPv3=y
+CONFIG_NEON=y
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+# CONFIG_NET is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_MTD is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=8192
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_MG_DISK is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+CONFIG_CHR_DEV_SG=y
+# CONFIG_CHR_DEV_SCH is not set
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_LIBFC is not set
+# CONFIG_LIBFCOE is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_AD7879 is not set
+# CONFIG_TOUCHSCREEN_DYNAPRO is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_TOUCHSCREEN_W90X900 is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_SERPORT=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_SERIO_ALTERA_PS2 is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_CONSOLE is not set
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+# CONFIG_SERIAL_8250_EXTENDED is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SAMSUNG=y
+CONFIG_SERIAL_SAMSUNG_UARTS_4=y
+CONFIG_SERIAL_SAMSUNG_UARTS=4
+# CONFIG_SERIAL_SAMSUNG_DEBUG is not set
+CONFIG_SERIAL_SAMSUNG_CONSOLE=y
+CONFIG_SERIAL_S5PV210=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+
+#
+# AC97 GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+CONFIG_GENERIC_ACL=y
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_CRAMFS=y
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+CONFIG_ROMFS_FS=y
+CONFIG_ROMFS_BACKED_BY_BLOCK=y
+# CONFIG_ROMFS_BACKED_BY_MTD is not set
+# CONFIG_ROMFS_BACKED_BY_BOTH is not set
+CONFIG_ROMFS_ON_BLOCK=y
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_BSD_DISKLABEL=y
+# CONFIG_MINIX_SUBPARTITION is not set
+CONFIG_SOLARIS_X86_PARTITION=y
+# CONFIG_UNIXWARE_DISKLABEL is not set
+# CONFIG_LDM_PARTITION is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+# CONFIG_SYSV68_PARTITION is not set
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+# CONFIG_DEBUG_PREEMPT is not set
+CONFIG_DEBUG_RT_MUTEXES=y
+CONFIG_DEBUG_PI_LIST=y
+# CONFIG_RT_MUTEX_TESTER is not set
+CONFIG_DEBUG_SPINLOCK=y
+CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+CONFIG_DEBUG_SPINLOCK_SLEEP=y
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+CONFIG_FTRACE=y
+# CONFIG_FUNCTION_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
+# CONFIG_BOOT_TRACER is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_LL=y
+CONFIG_EARLY_PRINTK=y
+# CONFIG_DEBUG_ICEDCC is not set
+# CONFIG_OC_ETM is not set
+CONFIG_DEBUG_S3C_UART=1
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+# CONFIG_CRYPTO is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=y
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_BZIP2=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_LZO=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/configs/s5pv210_defconfig b/arch/arm/configs/s5pv210_defconfig
new file mode 100644
index 000000000000..3f7d47491b54
--- /dev/null
+++ b/arch/arm/configs/s5pv210_defconfig
@@ -0,0 +1,894 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.33-rc4
+# Wed Feb 24 15:36:16 2010
+#
+CONFIG_ARM=y
+CONFIG_SYS_SUPPORTS_APM_EMULATION=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_NO_IOPORT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_HAVE_LATENCYTOP_SUPPORT=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_HARDIRQS_SW_RESEND=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+CONFIG_GENERIC_HWEIGHT=y
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_ARM_L1_CACHE_SHIFT_6=y
+CONFIG_VECTORS_BASE=0xffff0000
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_LZO=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
+CONFIG_SWAP=y
+# CONFIG_SYSVIPC is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_TINY_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+# CONFIG_IKCONFIG is not set
+CONFIG_LOG_BUF_SHIFT=17
+# CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_RELAY is not set
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+CONFIG_RD_LZO=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+# CONFIG_EMBEDDED is not set
+CONFIG_UID16=y
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+CONFIG_KALLSYMS_ALL=y
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_ELF_CORE=y
+CONFIG_BASE_FULL=y
+CONFIG_FUTEX=y
+CONFIG_EPOLL=y
+CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
+CONFIG_EVENTFD=y
+CONFIG_SHMEM=y
+CONFIG_AIO=y
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_SLUB_DEBUG=y
+CONFIG_COMPAT_BRK=y
+# CONFIG_SLAB is not set
+CONFIG_SLUB=y
+# CONFIG_SLOB is not set
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_HAVE_CLK=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_SLOW_WORK is not set
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
+CONFIG_SLABINFO=y
+CONFIG_RT_MUTEXES=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+CONFIG_LBDAF=y
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_DEADLINE=y
+CONFIG_IOSCHED_CFQ=y
+# CONFIG_DEFAULT_DEADLINE is not set
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
+# CONFIG_INLINE_SPIN_TRYLOCK is not set
+# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK is not set
+# CONFIG_INLINE_SPIN_LOCK_BH is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_SPIN_UNLOCK is not set
+# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
+# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_READ_TRYLOCK is not set
+# CONFIG_INLINE_READ_LOCK is not set
+# CONFIG_INLINE_READ_LOCK_BH is not set
+# CONFIG_INLINE_READ_LOCK_IRQ is not set
+# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_READ_UNLOCK is not set
+# CONFIG_INLINE_READ_UNLOCK_BH is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
+# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
+# CONFIG_INLINE_WRITE_TRYLOCK is not set
+# CONFIG_INLINE_WRITE_LOCK is not set
+# CONFIG_INLINE_WRITE_LOCK_BH is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
+# CONFIG_INLINE_WRITE_UNLOCK is not set
+# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
+# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
+# CONFIG_MUTEX_SPIN_ON_OWNER is not set
+# CONFIG_FREEZER is not set
+
+#
+# System Type
+#
+CONFIG_MMU=y
+# CONFIG_ARCH_AAEC2000 is not set
+# CONFIG_ARCH_INTEGRATOR is not set
+# CONFIG_ARCH_REALVIEW is not set
+# CONFIG_ARCH_VERSATILE is not set
+# CONFIG_ARCH_AT91 is not set
+# CONFIG_ARCH_CLPS711X is not set
+# CONFIG_ARCH_GEMINI is not set
+# CONFIG_ARCH_EBSA110 is not set
+# CONFIG_ARCH_EP93XX is not set
+# CONFIG_ARCH_FOOTBRIDGE is not set
+# CONFIG_ARCH_MXC is not set
+# CONFIG_ARCH_STMP3XXX is not set
+# CONFIG_ARCH_NETX is not set
+# CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_NOMADIK is not set
+# CONFIG_ARCH_IOP13XX is not set
+# CONFIG_ARCH_IOP32X is not set
+# CONFIG_ARCH_IOP33X is not set
+# CONFIG_ARCH_IXP23XX is not set
+# CONFIG_ARCH_IXP2000 is not set
+# CONFIG_ARCH_IXP4XX is not set
+# CONFIG_ARCH_L7200 is not set
+# CONFIG_ARCH_DOVE is not set
+# CONFIG_ARCH_KIRKWOOD is not set
+# CONFIG_ARCH_LOKI is not set
+# CONFIG_ARCH_MV78XX0 is not set
+# CONFIG_ARCH_ORION5X is not set
+# CONFIG_ARCH_MMP is not set
+# CONFIG_ARCH_KS8695 is not set
+# CONFIG_ARCH_NS9XXX is not set
+# CONFIG_ARCH_W90X900 is not set
+# CONFIG_ARCH_PNX4008 is not set
+# CONFIG_ARCH_PXA is not set
+# CONFIG_ARCH_MSM is not set
+# CONFIG_ARCH_RPC is not set
+# CONFIG_ARCH_SA1100 is not set
+# CONFIG_ARCH_S3C2410 is not set
+# CONFIG_ARCH_S3C64XX is not set
+# CONFIG_ARCH_S5P6440 is not set
+# CONFIG_ARCH_S5P6442 is not set
+# CONFIG_ARCH_S5PC1XX is not set
+CONFIG_ARCH_S5PV210=y
+# CONFIG_ARCH_SHARK is not set
+# CONFIG_ARCH_LH7A40X is not set
+# CONFIG_ARCH_U300 is not set
+# CONFIG_ARCH_DAVINCI is not set
+# CONFIG_ARCH_OMAP is not set
+# CONFIG_ARCH_BCMRING is not set
+# CONFIG_ARCH_U8500 is not set
+CONFIG_PLAT_SAMSUNG=y
+
+#
+# Boot options
+#
+# CONFIG_S3C_BOOT_ERROR_RESET is not set
+CONFIG_S3C_BOOT_UART_FORCE_FIFO=y
+CONFIG_S3C_LOWLEVEL_UART_PORT=1
+CONFIG_SAMSUNG_CLKSRC=y
+CONFIG_SAMSUNG_IRQ_VIC_TIMER=y
+CONFIG_SAMSUNG_IRQ_UART=y
+CONFIG_SAMSUNG_GPIOLIB_4BIT=y
+CONFIG_S3C_GPIO_CFG_S3C24XX=y
+CONFIG_S3C_GPIO_CFG_S3C64XX=y
+CONFIG_S3C_GPIO_PULL_UPDOWN=y
+CONFIG_SAMSUNG_GPIO_EXTRA=0
+CONFIG_S3C_GPIO_SPACE=0
+CONFIG_S3C_GPIO_TRACK=y
+# CONFIG_S3C_ADC is not set
+
+#
+# Power management
+#
+CONFIG_PLAT_S5P=y
+CONFIG_CPU_S5PV210=y
+CONFIG_MACH_SMDKV210=y
+# CONFIG_MACH_SMDKC110 is not set
+
+#
+# Processor Type
+#
+CONFIG_CPU_32v6K=y
+CONFIG_CPU_V7=y
+CONFIG_CPU_32v7=y
+CONFIG_CPU_ABRT_EV7=y
+CONFIG_CPU_PABRT_V7=y
+CONFIG_CPU_CACHE_V7=y
+CONFIG_CPU_CACHE_VIPT=y
+CONFIG_CPU_COPY_V6=y
+CONFIG_CPU_TLB_V7=y
+CONFIG_CPU_HAS_ASID=y
+CONFIG_CPU_CP15=y
+CONFIG_CPU_CP15_MMU=y
+
+#
+# Processor Features
+#
+CONFIG_ARM_THUMB=y
+# CONFIG_ARM_THUMBEE is not set
+# CONFIG_CPU_ICACHE_DISABLE is not set
+# CONFIG_CPU_DCACHE_DISABLE is not set
+# CONFIG_CPU_BPREDICT_DISABLE is not set
+CONFIG_HAS_TLS_REG=y
+CONFIG_ARM_L1_CACHE_SHIFT=6
+# CONFIG_ARM_ERRATA_430973 is not set
+# CONFIG_ARM_ERRATA_458693 is not set
+# CONFIG_ARM_ERRATA_460075 is not set
+CONFIG_ARM_VIC=y
+CONFIG_ARM_VIC_NR=2
+
+#
+# Bus support
+#
+# CONFIG_PCI_SYSCALL is not set
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Kernel Features
+#
+# CONFIG_VMSPLIT_3G is not set
+CONFIG_VMSPLIT_2G=y
+# CONFIG_VMSPLIT_1G is not set
+CONFIG_PAGE_OFFSET=0x80000000
+# CONFIG_PREEMPT_NONE is not set
+# CONFIG_PREEMPT_VOLUNTARY is not set
+CONFIG_PREEMPT=y
+CONFIG_HZ=200
+# CONFIG_THUMB2_KERNEL is not set
+CONFIG_AEABI=y
+CONFIG_OABI_COMPAT=y
+CONFIG_ARCH_SPARSEMEM_ENABLE=y
+CONFIG_ARCH_SPARSEMEM_DEFAULT=y
+# CONFIG_ARCH_SELECT_MEMORY_MODEL is not set
+# CONFIG_HIGHMEM is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+# CONFIG_FLATMEM_MANUAL is not set
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+CONFIG_SPARSEMEM_MANUAL=y
+CONFIG_SPARSEMEM=y
+CONFIG_HAVE_MEMORY_PRESENT=y
+CONFIG_SPARSEMEM_EXTREME=y
+CONFIG_SPLIT_PTLOCK_CPUS=999999
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=0
+CONFIG_VIRT_TO_BUS=y
+# CONFIG_KSM is not set
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
+CONFIG_ALIGNMENT_TRAP=y
+# CONFIG_UACCESS_WITH_MEMCPY is not set
+
+#
+# Boot options
+#
+CONFIG_ZBOOT_ROM_TEXT=0
+CONFIG_ZBOOT_ROM_BSS=0
+CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x20800000,8M console=ttySAC1,115200 init=/linuxrc"
+# CONFIG_XIP_KERNEL is not set
+# CONFIG_KEXEC is not set
+
+#
+# CPU Power Management
+#
+# CONFIG_CPU_IDLE is not set
+
+#
+# Floating point emulation
+#
+
+#
+# At least one emulation must be selected
+#
+# CONFIG_FPE_NWFPE is not set
+# CONFIG_FPE_FASTFPE is not set
+CONFIG_VFP=y
+CONFIG_VFPv3=y
+CONFIG_NEON=y
+
+#
+# Userspace binary formats
+#
+CONFIG_BINFMT_ELF=y
+# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
+CONFIG_HAVE_AOUT=y
+# CONFIG_BINFMT_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+# CONFIG_NET is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+# CONFIG_DEVTMPFS is not set
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_MTD is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+CONFIG_BLK_DEV_LOOP=y
+# CONFIG_BLK_DEV_CRYPTOLOOP is not set
+
+#
+# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
+#
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=8192
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_MG_DISK is not set
+# CONFIG_MISC_DEVICES is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+CONFIG_SCSI_PROC_FS=y
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+# CONFIG_BLK_DEV_SR is not set
+CONFIG_CHR_DEV_SG=y
+# CONFIG_CHR_DEV_SCH is not set
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+CONFIG_SCSI_LOWLEVEL=y
+# CONFIG_LIBFC is not set
+# CONFIG_LIBFCOE is not set
+# CONFIG_SCSI_DEBUG is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+# CONFIG_INPUT_SPARSEKMAP is not set
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=y
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_AD7879 is not set
+# CONFIG_TOUCHSCREEN_DYNAPRO is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_TOUCHSCREEN_W90X900 is not set
+# CONFIG_INPUT_MISC is not set
+
+#
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_SERPORT=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_SERIO_ALTERA_PS2 is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+CONFIG_DEVKMEM=y
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+CONFIG_SERIAL_8250=y
+# CONFIG_SERIAL_8250_CONSOLE is not set
+CONFIG_SERIAL_8250_NR_UARTS=4
+CONFIG_SERIAL_8250_RUNTIME_UARTS=4
+# CONFIG_SERIAL_8250_EXTENDED is not set
+
+#
+# Non-8250 serial port support
+#
+CONFIG_SERIAL_SAMSUNG=y
+CONFIG_SERIAL_SAMSUNG_UARTS_4=y
+CONFIG_SERIAL_SAMSUNG_UARTS=4
+# CONFIG_SERIAL_SAMSUNG_DEBUG is not set
+CONFIG_SERIAL_SAMSUNG_CONSOLE=y
+CONFIG_SERIAL_S5PV210=y
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+CONFIG_LEGACY_PTYS=y
+CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_IPMI_HANDLER is not set
+CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+# CONFIG_I2C is not set
+# CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_REQUIRE_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+# CONFIG_GPIO_SYSFS is not set
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+
+#
+# AC97 GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+# CONFIG_WATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_MFD_ASIC3 is not set
+# CONFIG_HTC_EGPIO is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_T7L66XB is not set
+# CONFIG_MFD_TC6387XB is not set
+# CONFIG_MFD_TC6393XB is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+# CONFIG_VGA_CONSOLE is not set
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+# CONFIG_RTC_CLASS is not set
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+CONFIG_FS_POSIX_ACL=y
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+CONFIG_DNOTIFY=y
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+CONFIG_GENERIC_ACL=y
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=y
+CONFIG_MSDOS_FS=y
+CONFIG_VFAT_FS=y
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SYSFS=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_CRAMFS=y
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+CONFIG_ROMFS_FS=y
+CONFIG_ROMFS_BACKED_BY_BLOCK=y
+# CONFIG_ROMFS_BACKED_BY_MTD is not set
+# CONFIG_ROMFS_BACKED_BY_BOTH is not set
+CONFIG_ROMFS_ON_BLOCK=y
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+
+#
+# Partition Types
+#
+CONFIG_PARTITION_ADVANCED=y
+# CONFIG_ACORN_PARTITION is not set
+# CONFIG_OSF_PARTITION is not set
+# CONFIG_AMIGA_PARTITION is not set
+# CONFIG_ATARI_PARTITION is not set
+# CONFIG_MAC_PARTITION is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_BSD_DISKLABEL=y
+# CONFIG_MINIX_SUBPARTITION is not set
+CONFIG_SOLARIS_X86_PARTITION=y
+# CONFIG_UNIXWARE_DISKLABEL is not set
+# CONFIG_LDM_PARTITION is not set
+# CONFIG_SGI_PARTITION is not set
+# CONFIG_ULTRIX_PARTITION is not set
+# CONFIG_SUN_PARTITION is not set
+# CONFIG_KARMA_PARTITION is not set
+# CONFIG_EFI_PARTITION is not set
+# CONFIG_SYSV68_PARTITION is not set
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=y
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+CONFIG_NLS_ASCII=y
+CONFIG_NLS_ISO8859_1=y
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+# CONFIG_NLS_UTF8 is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+CONFIG_MAGIC_SYSRQ=y
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+# CONFIG_DEBUG_FS is not set
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_DEBUG_SHIRQ is not set
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
+# CONFIG_DEBUG_KMEMLEAK is not set
+# CONFIG_DEBUG_PREEMPT is not set
+CONFIG_DEBUG_RT_MUTEXES=y
+CONFIG_DEBUG_PI_LIST=y
+# CONFIG_RT_MUTEX_TESTER is not set
+CONFIG_DEBUG_SPINLOCK=y
+CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+CONFIG_DEBUG_SPINLOCK_SLEEP=y
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+CONFIG_FTRACE=y
+# CONFIG_FUNCTION_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_ENABLE_DEFAULT_TRACERS is not set
+# CONFIG_BOOT_TRACER is not set
+CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_STACK_TRACER is not set
+# CONFIG_KMEMTRACE is not set
+# CONFIG_WORKQUEUE_TRACER is not set
+# CONFIG_BLK_DEV_IO_TRACE is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+CONFIG_ARM_UNWIND=y
+CONFIG_DEBUG_USER=y
+CONFIG_DEBUG_ERRORS=y
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_LL=y
+CONFIG_EARLY_PRINTK=y
+# CONFIG_DEBUG_ICEDCC is not set
+# CONFIG_OC_ETM is not set
+CONFIG_DEBUG_S3C_UART=1
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+# CONFIG_SECURITY is not set
+# CONFIG_SECURITYFS is not set
+# CONFIG_DEFAULT_SECURITY_SELINUX is not set
+# CONFIG_DEFAULT_SECURITY_SMACK is not set
+# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
+CONFIG_DEFAULT_SECURITY_DAC=y
+CONFIG_DEFAULT_SECURITY=""
+# CONFIG_CRYPTO is not set
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=y
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+# CONFIG_CRC_ITU_T is not set
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_LZO_DECOMPRESS=y
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_BZIP2=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_LZO=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_DMA=y
diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h
index 72da7e045c6b..0d08d4170b64 100644
--- a/arch/arm/include/asm/cacheflush.h
+++ b/arch/arm/include/asm/cacheflush.h
@@ -15,6 +15,7 @@
 #include <asm/glue.h>
 #include <asm/shmparam.h>
 #include <asm/cachetype.h>
+#include <asm/outercache.h>
 
 #define CACHE_COLOUR(vaddr)	((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT)
 
@@ -219,12 +220,6 @@ struct cpu_cache_fns {
 	void (*dma_flush_range)(const void *, const void *);
 };
 
-struct outer_cache_fns {
-	void (*inv_range)(unsigned long, unsigned long);
-	void (*clean_range)(unsigned long, unsigned long);
-	void (*flush_range)(unsigned long, unsigned long);
-};
-
 /*
  * Select the calling method
  */
@@ -281,37 +276,6 @@ extern void dmac_flush_range(const void *, const void *);
 
 #endif
 
-#ifdef CONFIG_OUTER_CACHE
-
-extern struct outer_cache_fns outer_cache;
-
-static inline void outer_inv_range(unsigned long start, unsigned long end)
-{
-	if (outer_cache.inv_range)
-		outer_cache.inv_range(start, end);
-}
-static inline void outer_clean_range(unsigned long start, unsigned long end)
-{
-	if (outer_cache.clean_range)
-		outer_cache.clean_range(start, end);
-}
-static inline void outer_flush_range(unsigned long start, unsigned long end)
-{
-	if (outer_cache.flush_range)
-		outer_cache.flush_range(start, end);
-}
-
-#else
-
-static inline void outer_inv_range(unsigned long start, unsigned long end)
-{ }
-static inline void outer_clean_range(unsigned long start, unsigned long end)
-{ }
-static inline void outer_flush_range(unsigned long start, unsigned long end)
-{ }
-
-#endif
-
 /*
  * Copy user data from/to a page which is mapped into a different
  * processes address space.  Really, we want to allow our "user
diff --git a/arch/arm/include/asm/clkdev.h b/arch/arm/include/asm/clkdev.h
index 7a0690da5e63..b56c1389b6fa 100644
--- a/arch/arm/include/asm/clkdev.h
+++ b/arch/arm/include/asm/clkdev.h
@@ -13,6 +13,7 @@
 #define __ASM_CLKDEV_H
 
 struct clk;
+struct device;
 
 struct clk_lookup {
 	struct list_head	node;
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 256ee1c9f51a..69ce0727edb5 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -128,6 +128,14 @@ static inline int dma_supported(struct device *dev, u64 mask)
 
 static inline int dma_set_mask(struct device *dev, u64 dma_mask)
 {
+#ifdef CONFIG_DMABOUNCE
+	if (dev->archdata.dmabounce) {
+		if (dma_mask >= ISA_DMA_THRESHOLD)
+			return 0;
+		else
+			return -EIO;
+	}
+#endif
 	if (!dev->dma_mask || !dma_supported(dev, dma_mask))
 		return -EIO;
 
diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h
index a399bb5730f1..bff056489cc1 100644
--- a/arch/arm/include/asm/elf.h
+++ b/arch/arm/include/asm/elf.h
@@ -98,6 +98,7 @@ extern int elf_check_arch(const struct elf32_hdr *);
 extern int arm_elf_read_implies_exec(const struct elf32_hdr *, int);
 #define elf_read_implies_exec(ex,stk) arm_elf_read_implies_exec(&(ex), stk)
 
+struct task_struct;
 int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs);
 #define ELF_CORE_COPY_TASK_REGS dump_task_regs
 
diff --git a/arch/arm/mach-s3c6400/include/mach/entry-macro.S b/arch/arm/include/asm/entry-macro-vic2.S
index fbd90d2cf355..3ceb85e43850 100644
--- a/arch/arm/mach-s3c6400/include/mach/entry-macro.S
+++ b/arch/arm/include/asm/entry-macro-vic2.S
@@ -1,26 +1,39 @@
-/* arch/arm/mach-s3c6400/include/mach/entry-macro.S
+/* arch/arm/include/asm/entry-macro-vic2.S
+ *
+ * Originally arch/arm/mach-s3c6400/include/mach/entry-macro.S
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
  *	http://armlinux.simtec.co.uk/
  *	Ben Dooks <ben@simtec.co.uk>
  *
- * Low-level IRQ helper macros for the Samsung S3C64XX series
+ * Low-level IRQ helper macros for a device with two VICs
  *
  * This file is licensed under  the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
 */
 
+/* This should be included from <mach/entry-macro.S> with the necessary
+ * defines for virtual addresses and IRQ bases for the two vics.
+ *
+ * The code needs the following defined:
+ *	IRQ_VIC0_BASE	IRQ number of VIC0's first IRQ
+ *	IRQ_VIC1_BASE	IRQ number of VIC1's first IRQ
+ *	VA_VIC0		Virtual address of VIC0
+ *	VA_VIC1		Virtual address of VIC1
+ *
+ * Note, code assumes VIC0's virtual address is an ARM immediate constant
+ * away from VIC1.
+*/
+
 #include <asm/hardware/vic.h>
-#include <mach/map.h>
-#include <plat/irqs.h>
 
 	.macro	disable_fiq
 	.endm
 
 	.macro	get_irqnr_preamble, base, tmp
-	ldr	\base, =S3C_VA_VIC0
+	ldr	\base, =VA_VIC0
 	.endm
 
 	.macro	arch_ret_to_user, tmp1, tmp2
@@ -29,13 +42,13 @@
 	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
 
 	@ check the vic0
-	mov	\irqnr, # S3C_IRQ_OFFSET + 31
+	mov	\irqnr, #IRQ_VIC0_BASE + 31
 	ldr	\irqstat, [ \base, # VIC_IRQ_STATUS ]
 	teq	\irqstat, #0
 
 	@ otherwise try vic1
-	addeq	\tmp, \base, #(S3C_VA_VIC1 - S3C_VA_VIC0)
-	addeq	\irqnr, \irqnr, #32
+	addeq	\tmp, \base, #(VA_VIC1 - VA_VIC0)
+	addeq	\irqnr, \irqnr, #(IRQ_VIC1_BASE - IRQ_VIC0_BASE)
 	ldreq	\irqstat, [ \tmp, # VIC_IRQ_STATUS ]
 	teqeq	\irqstat, #0
 
diff --git a/arch/arm/include/asm/hardware/iop3xx-adma.h b/arch/arm/include/asm/hardware/iop3xx-adma.h
index 1a8c7279a28b..9b28f1243bdc 100644
--- a/arch/arm/include/asm/hardware/iop3xx-adma.h
+++ b/arch/arm/include/asm/hardware/iop3xx-adma.h
@@ -366,8 +366,7 @@ static inline int iop_chan_xor_slot_count(size_t len, int src_cnt,
 		slot_cnt += *slots_per_op;
 	}
 
-	if (len)
-		slot_cnt += *slots_per_op;
+	slot_cnt += *slots_per_op;
 
 	return slot_cnt;
 }
@@ -389,8 +388,7 @@ static inline int iop_chan_zero_sum_slot_count(size_t len, int src_cnt,
 		slot_cnt += *slots_per_op;
 	}
 
-	if (len)
-		slot_cnt += *slots_per_op;
+	slot_cnt += *slots_per_op;
 
 	return slot_cnt;
 }
@@ -737,10 +735,8 @@ iop_desc_set_zero_sum_byte_count(struct iop_adma_desc_slot *desc, u32 len)
 			i += slots_per_op;
 		} while (len > IOP_ADMA_ZERO_SUM_MAX_BYTE_COUNT);
 
-		if (len) {
-			iter = iop_hw_desc_slot_idx(hw_desc, i);
-			iter->byte_count = len;
-		}
+		iter = iop_hw_desc_slot_idx(hw_desc, i);
+		iter->byte_count = len;
 	}
 }
 
diff --git a/arch/arm/include/asm/hardware/it8152.h b/arch/arm/include/asm/hardware/it8152.h
index 74b5fff7f575..6700c7fc7ebd 100644
--- a/arch/arm/include/asm/hardware/it8152.h
+++ b/arch/arm/include/asm/hardware/it8152.h
@@ -75,6 +75,18 @@ extern unsigned long it8152_base_address;
   IT8152_PD_IRQ(1)  USB (USBR)
   IT8152_PD_IRQ(0)  Audio controller (ACR)
  */
+#define IT8152_IRQ(x)   (IRQ_BOARD_END + (x))
+
+/* IRQ-sources in 3 groups - local devices, LPC (serial), and external PCI */
+#define IT8152_LD_IRQ_COUNT     9
+#define IT8152_LP_IRQ_COUNT     16
+#define IT8152_PD_IRQ_COUNT     15
+
+/* Priorities: */
+#define IT8152_PD_IRQ(i)        IT8152_IRQ(i)
+#define IT8152_LP_IRQ(i)        (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT)
+#define IT8152_LD_IRQ(i)        (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT + IT8152_LP_IRQ_COUNT)
+
 /* frequently used interrupts */
 #define IT8152_PCISERR		IT8152_PD_IRQ(14)
 #define IT8152_H2PTADR		IT8152_PD_IRQ(13)
diff --git a/arch/arm/include/asm/hardware/locomo.h b/arch/arm/include/asm/hardware/locomo.h
index 954b1be991b4..74e51d6bd93f 100644
--- a/arch/arm/include/asm/hardware/locomo.h
+++ b/arch/arm/include/asm/hardware/locomo.h
@@ -214,4 +214,8 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
 /* Frontlight control */
 void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf);
 
+struct locomo_platform_data {
+	int	irq_base;	/* IRQ base for cascaded on-chip IRQs */
+};
+
 #endif
diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h
index 5da2595759e5..92ed254c175b 100644
--- a/arch/arm/include/asm/hardware/sa1111.h
+++ b/arch/arm/include/asm/hardware/sa1111.h
@@ -578,4 +578,8 @@ void sa1111_set_io_dir(struct sa1111_dev *sadev, unsigned int bits, unsigned int
 void sa1111_set_io(struct sa1111_dev *sadev, unsigned int bits, unsigned int v);
 void sa1111_set_sleep_io(struct sa1111_dev *sadev, unsigned int bits, unsigned int v);
 
+struct sa1111_platform_data {
+	int	irq_base;	/* base for cascaded on-chip IRQs */
+};
+
 #endif  /* _ASM_ARCH_SA1111 */
diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h
index 328f14a8b790..237282f7c762 100644
--- a/arch/arm/include/asm/irq.h
+++ b/arch/arm/include/asm/irq.h
@@ -17,6 +17,7 @@
 
 #ifndef __ASSEMBLY__
 struct irqaction;
+struct pt_regs;
 extern void migrate_irqs(void);
 
 extern void asm_do_IRQ(unsigned int, struct pt_regs *);
diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h
new file mode 100644
index 000000000000..25f76bae57ab
--- /dev/null
+++ b/arch/arm/include/asm/outercache.h
@@ -0,0 +1,75 @@
+/*
+ * arch/arm/include/asm/outercache.h
+ *
+ * Copyright (C) 2010 ARM Ltd.
+ * Written by Catalin Marinas <catalin.marinas@arm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __ASM_OUTERCACHE_H
+#define __ASM_OUTERCACHE_H
+
+struct outer_cache_fns {
+	void (*inv_range)(unsigned long, unsigned long);
+	void (*clean_range)(unsigned long, unsigned long);
+	void (*flush_range)(unsigned long, unsigned long);
+#ifdef CONFIG_OUTER_CACHE_SYNC
+	void (*sync)(void);
+#endif
+};
+
+#ifdef CONFIG_OUTER_CACHE
+
+extern struct outer_cache_fns outer_cache;
+
+static inline void outer_inv_range(unsigned long start, unsigned long end)
+{
+	if (outer_cache.inv_range)
+		outer_cache.inv_range(start, end);
+}
+static inline void outer_clean_range(unsigned long start, unsigned long end)
+{
+	if (outer_cache.clean_range)
+		outer_cache.clean_range(start, end);
+}
+static inline void outer_flush_range(unsigned long start, unsigned long end)
+{
+	if (outer_cache.flush_range)
+		outer_cache.flush_range(start, end);
+}
+
+#else
+
+static inline void outer_inv_range(unsigned long start, unsigned long end)
+{ }
+static inline void outer_clean_range(unsigned long start, unsigned long end)
+{ }
+static inline void outer_flush_range(unsigned long start, unsigned long end)
+{ }
+
+#endif
+
+#ifdef CONFIG_OUTER_CACHE_SYNC
+static inline void outer_sync(void)
+{
+	if (outer_cache.sync)
+		outer_cache.sync();
+}
+#else
+static inline void outer_sync(void)
+{ }
+#endif
+
+#endif	/* __ASM_OUTERCACHE_H */
diff --git a/arch/arm/include/asm/pci.h b/arch/arm/include/asm/pci.h
index 226cddd2fb65..47980118d0a5 100644
--- a/arch/arm/include/asm/pci.h
+++ b/arch/arm/include/asm/pci.h
@@ -30,17 +30,6 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
  */
 #define PCI_DMA_BUS_IS_PHYS     (1)
 
-/*
- * Whether pci_unmap_{single,page} is a nop depends upon the
- * configuration.
- */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)		__u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)		((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	(((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)		((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	(((PTR)->LEN_NAME) = (VAL))
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 					enum pci_dma_burst_strategy *strat,
diff --git a/arch/arm/include/asm/pgtable-nommu.h b/arch/arm/include/asm/pgtable-nommu.h
index 013cfcdc4839..ffc0e85775b4 100644
--- a/arch/arm/include/asm/pgtable-nommu.h
+++ b/arch/arm/include/asm/pgtable-nommu.h
@@ -67,6 +67,7 @@ static inline int pte_file(pte_t pte) { return 0; }
  */
 #define pgprot_noncached(prot)	__pgprot(0)
 #define pgprot_writecombine(prot) __pgprot(0)
+#define pgprot_dmacoherent(prot) __pgprot(0)
 
 
 /*
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h
index eec6e897ceb2..9dcb11e59026 100644
--- a/arch/arm/include/asm/ptrace.h
+++ b/arch/arm/include/asm/ptrace.h
@@ -128,6 +128,8 @@ struct pt_regs {
 
 #ifdef __KERNEL__
 
+#define arch_has_single_step()	(1)
+
 #define user_mode(regs)	\
 	(((regs)->ARM_cpsr & 0xf) == 0)
 
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h
index ca88e6a84707..4ace45ec3ef8 100644
--- a/arch/arm/include/asm/system.h
+++ b/arch/arm/include/asm/system.h
@@ -60,6 +60,8 @@
 #include <linux/linkage.h>
 #include <linux/irqflags.h>
 
+#include <asm/outercache.h>
+
 #define __exception	__attribute__((section(".exception.text")))
 
 struct thread_info;
@@ -137,10 +139,12 @@ extern unsigned int user_debug;
 #define dmb() __asm__ __volatile__ ("" : : : "memory")
 #endif
 
-#if __LINUX_ARM_ARCH__ >= 7 || defined(CONFIG_SMP)
-#define mb()		dmb()
+#ifdef CONFIG_ARCH_HAS_BARRIERS
+#include <mach/barriers.h>
+#elif __LINUX_ARM_ARCH__ >= 7 || defined(CONFIG_SMP)
+#define mb()		do { dsb(); outer_sync(); } while (0)
 #define rmb()		dmb()
-#define wmb()		dmb()
+#define wmb()		mb()
 #else
 #define mb()	do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
 #define rmb()	do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
@@ -152,9 +156,9 @@ extern unsigned int user_debug;
 #define smp_rmb()	barrier()
 #define smp_wmb()	barrier()
 #else
-#define smp_mb()	mb()
-#define smp_rmb()	rmb()
-#define smp_wmb()	wmb()
+#define smp_mb()	dmb()
+#define smp_rmb()	dmb()
+#define smp_wmb()	dmb()
 #endif
 
 #define read_barrier_depends()		do { } while(0)
diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h
index cf9cdaa2d4d4..dd2bf53000fe 100644
--- a/arch/arm/include/asm/unistd.h
+++ b/arch/arm/include/asm/unistd.h
@@ -443,9 +443,12 @@
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_SYS_RT_SIGACTION
 #define __ARCH_WANT_SYS_RT_SIGSUSPEND
+#define __ARCH_WANT_SYS_OLD_MMAP
+#define __ARCH_WANT_SYS_OLD_SELECT
 
 #if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
 #define __ARCH_WANT_SYS_TIME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_UTIME
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 9314a2d681f1..37ae301cc47c 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -91,7 +91,7 @@
 		CALL(sys_settimeofday)
 /* 80 */	CALL(sys_getgroups16)
 		CALL(sys_setgroups16)
-		CALL(OBSOLETE(old_select))	/* used by libc4 */
+		CALL(OBSOLETE(sys_old_select))	/* used by libc4 */
 		CALL(sys_symlink)
 		CALL(sys_ni_syscall)		/* was sys_lstat */
 /* 85 */	CALL(sys_readlink)
@@ -99,7 +99,7 @@
 		CALL(sys_swapon)
 		CALL(sys_reboot)
 		CALL(OBSOLETE(sys_old_readdir))	/* used by libc4 */
-/* 90 */	CALL(OBSOLETE(old_mmap))	/* used by libc4 */
+/* 90 */	CALL(OBSOLETE(sys_old_mmap))	/* used by libc4 */
 		CALL(sys_munmap)
 		CALL(sys_truncate)
 		CALL(sys_ftruncate)
diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S
index 7e9ed1eea40a..d93f976fb389 100644
--- a/arch/arm/kernel/entry-header.S
+++ b/arch/arm/kernel/entry-header.S
@@ -102,6 +102,8 @@
 	.else
 	ldmdb	sp, {r0 - lr}^			@ get calling r0 - lr
 	.endif
+	mov	r0, r0				@ ARMv5T and earlier require a nop
+						@ after ldm {}^
 	add	sp, sp, #S_FRAME_SIZE - S_PC
 	movs	pc, lr				@ return & move spsr_svc into cpsr
 	.endm
diff --git a/arch/arm/kernel/kgdb.c b/arch/arm/kernel/kgdb.c
index ba8ccfede964..a5b846b9895d 100644
--- a/arch/arm/kernel/kgdb.c
+++ b/arch/arm/kernel/kgdb.c
@@ -9,6 +9,7 @@
  * Authors:  George Davis <davis_g@mvista.com>
  *           Deepak Saxena <dsaxena@plexity.net>
  */
+#include <linux/irq.h>
 #include <linux/kgdb.h>
 #include <asm/traps.h>
 
@@ -158,6 +159,18 @@ static struct undef_hook kgdb_compiled_brkpt_hook = {
 	.fn			= kgdb_compiled_brk_fn
 };
 
+static void kgdb_call_nmi_hook(void *ignored)
+{
+       kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs());
+}
+
+void kgdb_roundup_cpus(unsigned long flags)
+{
+       local_irq_enable();
+       smp_call_function(kgdb_call_nmi_hook, NULL, 0);
+       local_irq_disable();
+}
+
 /**
  *	kgdb_arch_init - Perform any architecture specific initalization.
  *
diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c
index 60c62c377fa9..610e0f561c32 100644
--- a/arch/arm/kernel/kprobes.c
+++ b/arch/arm/kernel/kprobes.c
@@ -393,6 +393,14 @@ void __kprobes jprobe_return(void)
 		/*
 		 * Setup an empty pt_regs. Fill SP and PC fields as
 		 * they're needed by longjmp_break_handler.
+		 *
+		 * We allocate some slack between the original SP and start of
+		 * our fabricated regs. To be precise we want to have worst case
+		 * covered which is STMFD with all 16 regs so we allocate 2 *
+		 * sizeof(struct_pt_regs)).
+		 *
+		 * This is to prevent any simulated instruction from writing
+		 * over the regs when they are accessing the stack.
 		 */
 		"sub    sp, %0, %1		\n\t"
 		"ldr    r0, ="__stringify(JPROBE_MAGIC_ADDR)"\n\t"
@@ -410,7 +418,7 @@ void __kprobes jprobe_return(void)
 		"ldmia	sp, {r0 - pc}		\n\t"
 		:
 		: "r" (kcb->jprobe_saved_regs.ARM_sp),
-		  "I" (sizeof(struct pt_regs)),
+		  "I" (sizeof(struct pt_regs) * 2),
 		  "J" (offsetof(struct pt_regs, ARM_sp)),
 		  "J" (offsetof(struct pt_regs, ARM_pc)),
 		  "J" (offsetof(struct pt_regs, ARM_cpsr))
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index c54ceb3d1f97..9e70f2053f9a 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -332,7 +332,8 @@ armpmu_reserve_hardware(void)
 
 	for (i = 0; i < pmu_irqs->num_irqs; ++i) {
 		err = request_irq(pmu_irqs->irqs[i], armpmu->handle_irq,
-				  IRQF_DISABLED, "armpmu", NULL);
+				  IRQF_DISABLED | IRQF_NOBALANCING,
+				  "armpmu", NULL);
 		if (err) {
 			pr_warning("unable to request IRQ%d for ARM "
 				   "perf counters\n", pmu_irqs->irqs[i]);
@@ -965,7 +966,7 @@ armv6pmu_handle_irq(int irq_num,
 	 */
 	armv6_pmcr_write(pmcr);
 
-	data.addr = 0;
+	perf_sample_data_init(&data, 0);
 
 	cpuc = &__get_cpu_var(cpu_hw_events);
 	for (idx = 0; idx <= armpmu->num_events; ++idx) {
@@ -1624,7 +1625,7 @@ enum armv7_counters {
 /*
  * EVTSEL: Event selection reg
  */
-#define	ARMV7_EVTSEL_MASK	0x7f		/* Mask for writable bits */
+#define	ARMV7_EVTSEL_MASK	0xff		/* Mask for writable bits */
 
 /*
  * SELECT: Counter selection reg
@@ -1945,7 +1946,7 @@ static irqreturn_t armv7pmu_handle_irq(int irq_num, void *dev)
 	 */
 	regs = get_irq_regs();
 
-	data.addr = 0;
+	perf_sample_data_init(&data, 0);
 
 	cpuc = &__get_cpu_var(cpu_hw_events);
 	for (idx = 0; idx <= armpmu->num_events; ++idx) {
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 08f899fb76a6..3f562a7c0a99 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -452,12 +452,23 @@ void ptrace_cancel_bpt(struct task_struct *child)
 		clear_breakpoint(child, &child->thread.debug.bp[i]);
 }
 
+void user_disable_single_step(struct task_struct *task)
+{
+	task->ptrace &= ~PT_SINGLESTEP;
+	ptrace_cancel_bpt(task);
+}
+
+void user_enable_single_step(struct task_struct *task)
+{
+	task->ptrace |= PT_SINGLESTEP;
+}
+
 /*
  * Called by kernel/ptrace.c when detaching..
  */
 void ptrace_disable(struct task_struct *child)
 {
-	single_step_disable(child);
+	user_disable_single_step(child);
 }
 
 /*
@@ -753,53 +764,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			ret = ptrace_write_user(child, addr, data);
 			break;
 
-		/*
-		 * continue/restart and stop at next (return from) syscall
-		 */
-		case PTRACE_SYSCALL:
-		case PTRACE_CONT:
-			ret = -EIO;
-			if (!valid_signal(data))
-				break;
-			if (request == PTRACE_SYSCALL)
-				set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			else
-				clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			child->exit_code = data;
-			single_step_disable(child);
-			wake_up_process(child);
-			ret = 0;
-			break;
-
-		/*
-		 * make the child exit.  Best I can do is send it a sigkill.
-		 * perhaps it should be put in the status that it wants to
-		 * exit.
-		 */
-		case PTRACE_KILL:
-			single_step_disable(child);
-			if (child->exit_state != EXIT_ZOMBIE) {
-				child->exit_code = SIGKILL;
-				wake_up_process(child);
-			}
-			ret = 0;
-			break;
-
-		/*
-		 * execute single instruction.
-		 */
-		case PTRACE_SINGLESTEP:
-			ret = -EIO;
-			if (!valid_signal(data))
-				break;
-			single_step_enable(child);
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			child->exit_code = data;
-			/* give it a chance to run. */
-			wake_up_process(child);
-			ret = 0;
-			break;
-
 		case PTRACE_GETREGS:
 			ret = ptrace_getregs(child, (void __user *)data);
 			break;
diff --git a/arch/arm/kernel/ptrace.h b/arch/arm/kernel/ptrace.h
index def3b6184a79..3926605b82ea 100644
--- a/arch/arm/kernel/ptrace.h
+++ b/arch/arm/kernel/ptrace.h
@@ -14,20 +14,6 @@ extern void ptrace_set_bpt(struct task_struct *);
 extern void ptrace_break(struct task_struct *, struct pt_regs *);
 
 /*
- * make sure single-step breakpoint is gone.
- */
-static inline void single_step_disable(struct task_struct *task)
-{
-	task->ptrace &= ~PT_SINGLESTEP;
-	ptrace_cancel_bpt(task);
-}
-
-static inline void single_step_enable(struct task_struct *task)
-{
-	task->ptrace |= PT_SINGLESTEP;
-}
-
-/*
  * Send SIGTRAP if we're single-stepping
  */
 static inline void single_step_trap(struct task_struct *task)
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 57162af53dc9..577543f3857f 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -99,6 +99,7 @@ int __cpuinit __cpu_up(unsigned int cpu)
 	*pmd = __pmd((PHYS_OFFSET & PGDIR_MASK) |
 		     PMD_TYPE_SECT | PMD_SECT_AP_WRITE);
 	flush_pmd_entry(pmd);
+	outer_clean_range(__pa(pmd), __pa(pmd + 1));
 
 	/*
 	 * We need to tell the secondary core where to find
@@ -106,7 +107,8 @@ int __cpuinit __cpu_up(unsigned int cpu)
 	 */
 	secondary_data.stack = task_stack_page(idle) + THREAD_START_SP;
 	secondary_data.pgdir = virt_to_phys(pgd);
-	wmb();
+	__cpuc_flush_dcache_area(&secondary_data, sizeof(secondary_data));
+	outer_clean_range(__pa(&secondary_data), __pa(&secondary_data + 1));
 
 	/*
 	 * Now bring the CPU into our world.
diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c
index ae4027bd01bd..4350f75e578c 100644
--- a/arch/arm/kernel/sys_arm.c
+++ b/arch/arm/kernel/sys_arm.c
@@ -28,135 +28,6 @@
 #include <linux/ipc.h>
 #include <linux/uaccess.h>
 
-struct mmap_arg_struct {
-	unsigned long addr;
-	unsigned long len;
-	unsigned long prot;
-	unsigned long flags;
-	unsigned long fd;
-	unsigned long offset;
-};
-
-asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
-{
-	int error = -EFAULT;
-	struct mmap_arg_struct a;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		goto out;
-
-	error = -EINVAL;
-	if (a.offset & ~PAGE_MASK)
-		goto out;
-
-	error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
-out:
-	return error;
-}
-
-/*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls.
- */
-
-struct sel_arg_struct {
-	unsigned long n;
-	fd_set __user *inp, *outp, *exp;
-	struct timeval __user *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct __user *arg)
-{
-	struct sel_arg_struct a;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		return -EFAULT;
-	/* sys_select() does the appropriate kernel locking */
-	return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc(uint call, int first, int second, int third,
-		       void __user *ptr, long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	switch (call) {
-	case SEMOP:
-		return sys_semtimedop (first, (struct sembuf __user *)ptr, second, NULL);
-	case SEMTIMEDOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr, second,
-					(const struct timespec __user *)fifth);
-
-	case SEMGET:
-		return sys_semget (first, second, third);
-	case SEMCTL: {
-		union semun fourth;
-		if (!ptr)
-			return -EINVAL;
-		if (get_user(fourth.__pad, (void __user * __user *) ptr))
-			return -EFAULT;
-		return sys_semctl (first, second, third, fourth);
-	}
-
-	case MSGSND:
-		return sys_msgsnd(first, (struct msgbuf __user *) ptr, 
-				  second, third);
-	case MSGRCV:
-		switch (version) {
-		case 0: {
-			struct ipc_kludge tmp;
-			if (!ptr)
-				return -EINVAL;
-			if (copy_from_user(&tmp,(struct ipc_kludge __user *)ptr,
-					   sizeof (tmp)))
-				return -EFAULT;
-			return sys_msgrcv (first, tmp.msgp, second,
-					   tmp.msgtyp, third);
-		}
-		default:
-			return sys_msgrcv (first,
-					   (struct msgbuf __user *) ptr,
-					   second, fifth, third);
-		}
-	case MSGGET:
-		return sys_msgget ((key_t) first, second);
-	case MSGCTL:
-		return sys_msgctl(first, second, (struct msqid_ds __user *)ptr);
-
-	case SHMAT:
-		switch (version) {
-		default: {
-			ulong raddr;
-			ret = do_shmat(first, (char __user *)ptr, second, &raddr);
-			if (ret)
-				return ret;
-			return put_user(raddr, (ulong __user *)third);
-		}
-		case 1: /* Of course, we don't support iBCS2! */
-			return -EINVAL;
-		}
-	case SHMDT: 
-		return sys_shmdt ((char __user *)ptr);
-	case SHMGET:
-		return sys_shmget (first, second, third);
-	case SHMCTL:
-		return sys_shmctl (first, second,
-				   (struct shmid_ds __user *) ptr);
-	default:
-		return -ENOSYS;
-	}
-}
-#endif
-
 /* Fork a new task - this creates a new program thread.
  * This is called indirectly via a small wrapper
  */
diff --git a/arch/arm/kernel/sys_oabi-compat.c b/arch/arm/kernel/sys_oabi-compat.c
index d59a0cd537f0..33ff678e32f2 100644
--- a/arch/arm/kernel/sys_oabi-compat.c
+++ b/arch/arm/kernel/sys_oabi-compat.c
@@ -346,9 +346,6 @@ asmlinkage long sys_oabi_semop(int semid, struct oabi_sembuf __user *tsops,
 	return sys_oabi_semtimedop(semid, tsops, nsops, NULL);
 }
 
-extern asmlinkage int sys_ipc(uint call, int first, int second, int third,
-			      void __user *ptr, long fifth);
-
 asmlinkage int sys_oabi_ipc(uint call, int first, int second, int third,
 			    void __user *ptr, long fifth)
 {
diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index 786ac2b6914a..50292cd9c120 100644
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -359,7 +359,9 @@ void unwind_backtrace(struct pt_regs *regs, struct task_struct *tsk)
 		frame.fp = regs->ARM_fp;
 		frame.sp = regs->ARM_sp;
 		frame.lr = regs->ARM_lr;
-		frame.pc = regs->ARM_pc;
+		/* PC might be corrupted, use LR in that case. */
+		frame.pc = kernel_text_address(regs->ARM_pc)
+			 ? regs->ARM_pc : regs->ARM_lr;
 	} else if (tsk == current) {
 		frame.fp = (unsigned long)__builtin_frame_address(0);
 		frame.sp = current_sp;
diff --git a/arch/arm/lib/memmove.S b/arch/arm/lib/memmove.S
index 5025c863713d..938fc14f962d 100644
--- a/arch/arm/lib/memmove.S
+++ b/arch/arm/lib/memmove.S
@@ -74,7 +74,7 @@ ENTRY(memmove)
 		rsb	ip, ip, #32
 		addne	pc, pc, ip		@ C is always clear here
 		b	7f
-6:		nop
+6:		W(nop)
 		W(ldr)	r3, [r1, #-4]!
 		W(ldr)	r4, [r1, #-4]!
 		W(ldr)	r5, [r1, #-4]!
@@ -85,7 +85,7 @@ ENTRY(memmove)
 
 		add	pc, pc, ip
 		nop
-		nop
+		W(nop)
 		W(str)	r3, [r0, #-4]!
 		W(str)	r4, [r0, #-4]!
 		W(str)	r5, [r0, #-4]!
diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c
index 309f3511aa20..2500f41d8d2d 100644
--- a/arch/arm/mach-at91/at91rm9200_time.c
+++ b/arch/arm/mach-at91/at91rm9200_time.c
@@ -58,6 +58,12 @@ static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id)
 {
 	u32	sr = at91_sys_read(AT91_ST_SR) & irqmask;
 
+	/*
+	 * irqs should be disabled here, but as the irq is shared they are only
+	 * guaranteed to be off if the timer irq is registered first.
+	 */
+	WARN_ON_ONCE(!irqs_disabled());
+
 	/* simulate "oneshot" timer with alarm */
 	if (sr & AT91_ST_ALMS) {
 		clkevt.event_handler(&clkevt);
@@ -132,24 +138,11 @@ clkevt32k_mode(enum clock_event_mode mode, struct clock_event_device *dev)
 static int
 clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev)
 {
-	unsigned long	flags;
 	u32		alm;
 	int		status = 0;
 
 	BUG_ON(delta < 2);
 
-	/* Use "raw" primitives so we behave correctly on RT kernels. */
-	raw_local_irq_save(flags);
-
-	/*
-	 * According to Thomas Gleixner irqs are already disabled here.  Simply
-	 * removing raw_local_irq_save above (and the matching
-	 * raw_local_irq_restore) was not accepted.  See
-	 * http://thread.gmane.org/gmane.linux.ports.arm.kernel/41174
-	 * So for now (2008-11-20) just warn once if irqs were not disabled ...
-	 */
-	WARN_ON_ONCE(!raw_irqs_disabled_flags(flags));
-
 	/* The alarm IRQ uses absolute time (now+delta), not the relative
 	 * time (delta) in our calling convention.  Like all clockevents
 	 * using such "match" hardware, we have a race to defend against.
@@ -169,7 +162,6 @@ clkevt32k_next_event(unsigned long delta, struct clock_event_device *dev)
 	alm += delta;
 	at91_sys_write(AT91_ST_RTAR, alm);
 
-	raw_local_irq_restore(flags);
 	return status;
 }
 
diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c
index 4bd56aee4370..608a63240b64 100644
--- a/arch/arm/mach-at91/at91sam926x_time.c
+++ b/arch/arm/mach-at91/at91sam926x_time.c
@@ -62,16 +62,12 @@ static struct clocksource pit_clk = {
 static void
 pit_clkevt_mode(enum clock_event_mode mode, struct clock_event_device *dev)
 {
-	unsigned long	flags;
-
 	switch (mode) {
 	case CLOCK_EVT_MODE_PERIODIC:
-		/* update clocksource counter, then enable the IRQ */
-		raw_local_irq_save(flags);
+		/* update clocksource counter */
 		pit_cnt += pit_cycle * PIT_PICNT(at91_sys_read(AT91_PIT_PIVR));
 		at91_sys_write(AT91_PIT_MR, (pit_cycle - 1) | AT91_PIT_PITEN
 				| AT91_PIT_PITIEN);
-		raw_local_irq_restore(flags);
 		break;
 	case CLOCK_EVT_MODE_ONESHOT:
 		BUG();
@@ -100,6 +96,11 @@ static struct clock_event_device pit_clkevt = {
  */
 static irqreturn_t at91sam926x_pit_interrupt(int irq, void *dev_id)
 {
+	/*
+	 * irqs should be disabled here, but as the irq is shared they are only
+	 * guaranteed to be off if the timer irq is registered first.
+	 */
+	WARN_ON_ONCE(!irqs_disabled());
 
 	/* The PIT interrupt may be disabled, and is shared */
 	if ((pit_clkevt.mode == CLOCK_EVT_MODE_PERIODIC)
diff --git a/arch/arm/mach-at91/board-sam9g20ek.c b/arch/arm/mach-at91/board-sam9g20ek.c
index 29cf83177484..c11fd47aec5d 100644
--- a/arch/arm/mach-at91/board-sam9g20ek.c
+++ b/arch/arm/mach-at91/board-sam9g20ek.c
@@ -271,10 +271,12 @@ static void __init ek_add_device_buttons(void) {}
 
 
 static struct i2c_board_info __initdata ek_i2c_devices[] = {
-	{
-		I2C_BOARD_INFO("24c512", 0x50),
-		I2C_BOARD_INFO("wm8731", 0x1b),
-	},
+        {
+                I2C_BOARD_INFO("24c512", 0x50)
+        },
+        {
+                I2C_BOARD_INFO("wm8731", 0x1b)
+        },
 };
 
 
diff --git a/arch/arm/mach-at91/include/mach/at91_mci.h b/arch/arm/mach-at91/include/mach/at91_mci.h
index 550d503a1bca..57f8ee154943 100644
--- a/arch/arm/mach-at91/include/mach/at91_mci.h
+++ b/arch/arm/mach-at91/include/mach/at91_mci.h
@@ -77,7 +77,7 @@
 
 #define AT91_MCI_BLKR		0x18		/* Block Register */
 #define		AT91_MCI_BLKR_BCNT(n)	((0xffff & (n)) << 0)	/* Block count */
-#define		AT91_MCI_BLKR_BLKLEN(n)	((0xffff & (n)) << 16)	/* Block lenght */
+#define		AT91_MCI_BLKR_BLKLEN(n)	((0xffff & (n)) << 16)	/* Block length */
 
 #define AT91_MCI_RSPR(n)	(0x20 + ((n) * 4))	/* Response Registers 0-3 */
 #define AT91_MCR_RDR		0x30		/* Receive Data Register */
diff --git a/arch/arm/mach-davinci/include/mach/i2c.h b/arch/arm/mach-davinci/include/mach/i2c.h
index 39fdceac8414..2312d197dfb7 100644
--- a/arch/arm/mach-davinci/include/mach/i2c.h
+++ b/arch/arm/mach-davinci/include/mach/i2c.h
@@ -1,5 +1,5 @@
 /*
- * DaVinci I2C controller platfrom_device info
+ * DaVinci I2C controller platform_device info
  *
  * Author: Vladimir Barinov, MontaVista Software, Inc. <source@mvista.com>
  *
diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c
index 806972a68c87..5da2cf402c81 100644
--- a/arch/arm/mach-dove/common.c
+++ b/arch/arm/mach-dove/common.c
@@ -605,7 +605,7 @@ static struct platform_device dove_xor00_channel = {
 	.dev		= {
 		.dma_mask		= &dove_xor0_dmamask,
 		.coherent_dma_mask	= DMA_BIT_MASK(64),
-		.platform_data		= (void *)&dove_xor00_data,
+		.platform_data		= &dove_xor00_data,
 	},
 };
 
@@ -631,7 +631,7 @@ static struct platform_device dove_xor01_channel = {
 	.dev		= {
 		.dma_mask		= &dove_xor0_dmamask,
 		.coherent_dma_mask	= DMA_BIT_MASK(64),
-		.platform_data		= (void *)&dove_xor01_data,
+		.platform_data		= &dove_xor01_data,
 	},
 };
 
@@ -704,7 +704,7 @@ static struct platform_device dove_xor10_channel = {
 	.dev		= {
 		.dma_mask		= &dove_xor1_dmamask,
 		.coherent_dma_mask	= DMA_BIT_MASK(64),
-		.platform_data		= (void *)&dove_xor10_data,
+		.platform_data		= &dove_xor10_data,
 	},
 };
 
@@ -730,7 +730,7 @@ static struct platform_device dove_xor11_channel = {
 	.dev		= {
 		.dma_mask		= &dove_xor1_dmamask,
 		.coherent_dma_mask	= DMA_BIT_MASK(64),
-		.platform_data		= (void *)&dove_xor11_data,
+		.platform_data		= &dove_xor11_data,
 	},
 };
 
diff --git a/arch/arm/mach-ep93xx/include/mach/ts72xx.h b/arch/arm/mach-ep93xx/include/mach/ts72xx.h
index 3bd934e9a7f1..93107d88ff3a 100644
--- a/arch/arm/mach-ep93xx/include/mach/ts72xx.h
+++ b/arch/arm/mach-ep93xx/include/mach/ts72xx.h
@@ -65,6 +65,8 @@
 #define TS72XX_RTC_DATA_PHYS_BASE	0x11700000
 #define TS72XX_RTC_DATA_SIZE		0x00001000
 
+#define TS72XX_WDT_CONTROL_PHYS_BASE	0x23800000
+#define TS72XX_WDT_FEED_PHYS_BASE	0x23c00000
 
 #ifndef __ASSEMBLY__
 
diff --git a/arch/arm/mach-ep93xx/micro9.c b/arch/arm/mach-ep93xx/micro9.c
index f3757a1c5a10..c33360e82868 100644
--- a/arch/arm/mach-ep93xx/micro9.c
+++ b/arch/arm/mach-ep93xx/micro9.c
@@ -28,7 +28,7 @@
  *
  * Micro9-High has up to 64MB of 32-bit flash on CS1
  * Micro9-Mid has up to 64MB of either 32-bit or 16-bit flash on CS1
- * Micro9-Lite uses a seperate MTD map driver for flash support
+ * Micro9-Lite uses a separate MTD map driver for flash support
  * Micro9-Slim has up to 64MB of either 32-bit or 16-bit flash on CS1
  *************************************************************************/
 static struct physmap_flash_data micro9_flash_data;
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index 259f7822ba52..fac1ec7a60fb 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -166,6 +166,26 @@ static struct platform_device ts72xx_rtc_device = {
 	.num_resources	= 0,
 };
 
+static struct resource ts72xx_wdt_resources[] = {
+	{
+		.start	= TS72XX_WDT_CONTROL_PHYS_BASE,
+		.end	= TS72XX_WDT_CONTROL_PHYS_BASE + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= TS72XX_WDT_FEED_PHYS_BASE,
+		.end	= TS72XX_WDT_FEED_PHYS_BASE + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device ts72xx_wdt_device = {
+	.name		= "ts72xx-wdt",
+	.id		= -1,
+	.num_resources 	= ARRAY_SIZE(ts72xx_wdt_resources),
+	.resource	= ts72xx_wdt_resources,
+};
+
 static struct ep93xx_eth_data ts72xx_eth_data = {
 	.phy_id		= 1,
 };
@@ -175,6 +195,7 @@ static void __init ts72xx_init_machine(void)
 	ep93xx_init_devices();
 	ts72xx_register_flash();
 	platform_device_register(&ts72xx_rtc_device);
+	platform_device_register(&ts72xx_wdt_device);
 
 	ep93xx_register_eth(&ts72xx_eth_data, 1);
 }
diff --git a/arch/arm/mach-ixp23xx/include/mach/memory.h b/arch/arm/mach-ixp23xx/include/mach/memory.h
index 94a3a86cfeb8..6ef65d813f16 100644
--- a/arch/arm/mach-ixp23xx/include/mach/memory.h
+++ b/arch/arm/mach-ixp23xx/include/mach/memory.h
@@ -19,7 +19,7 @@
  */
 #define PHYS_OFFSET		(0x00000000)
 
-#define IXP23XX_PCI_SDRAM_OFFSET (*((volatile int *)IXP23XX_PCI_SDRAM_BAR) & 0xfffffff0))
+#define IXP23XX_PCI_SDRAM_OFFSET (*((volatile int *)IXP23XX_PCI_SDRAM_BAR) & 0xfffffff0)
 
 #define __phys_to_bus(x)	((x) + (IXP23XX_PCI_SDRAM_OFFSET - PHYS_OFFSET))
 #define __bus_to_phys(x)	((x) - (IXP23XX_PCI_SDRAM_OFFSET - PHYS_OFFSET))
diff --git a/arch/arm/mach-ixp4xx/common-pci.c b/arch/arm/mach-ixp4xx/common-pci.c
index c4a01594c761..e3181534c7f9 100644
--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -502,32 +502,6 @@ struct pci_bus * __devinit ixp4xx_scan_bus(int nr, struct pci_sys_data *sys)
 	return pci_scan_bus(sys->busnr, &ixp4xx_ops, sys);
 }
 
-/*
- * We override these so we properly do dmabounce otherwise drivers
- * are able to set the dma_mask to 0xffffffff and we can no longer
- * trap bounces. :(
- *
- * We just return true on everyhing except for < 64MB in which case 
- * we will fail miseralby and die since we can't handle that case.
- */
-int
-pci_set_dma_mask(struct pci_dev *dev, u64 mask)
-{
-	if (mask >= SZ_64M - 1 )
-		return 0;
-
-	return -EIO;
-}
-    
-int
-pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
-{
-	if (mask >= SZ_64M - 1 )
-		return 0;
-
-	return -EIO;
-}
-
 EXPORT_SYMBOL(ixp4xx_pci_read);
 EXPORT_SYMBOL(ixp4xx_pci_write);
 
diff --git a/arch/arm/mach-ixp4xx/include/mach/hardware.h b/arch/arm/mach-ixp4xx/include/mach/hardware.h
index f9d1c43e4a54..f91ca6d4fbe8 100644
--- a/arch/arm/mach-ixp4xx/include/mach/hardware.h
+++ b/arch/arm/mach-ixp4xx/include/mach/hardware.h
@@ -26,11 +26,6 @@
 #define PCIBIOS_MAX_MEM		0x4BFFFFFF
 #endif
 
-/*
- * We override the standard dma-mask routines for bouncing.
- */
-#define	HAVE_ARCH_PCI_SET_DMA_MASK
-
 #define pcibios_assign_all_busses()	1
 
 /* Register locations and bits */
diff --git a/arch/arm/mach-kirkwood/Kconfig b/arch/arm/mach-kirkwood/Kconfig
index f6c6196a51fa..17879a876be6 100644
--- a/arch/arm/mach-kirkwood/Kconfig
+++ b/arch/arm/mach-kirkwood/Kconfig
@@ -32,6 +32,12 @@ config MACH_SHEEVAPLUG
 	  Say 'Y' here if you want your kernel to support the
 	  Marvell SheevaPlug Reference Board.
 
+config MACH_ESATA_SHEEVAPLUG
+	bool "Marvell eSATA SheevaPlug Reference Board"
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Marvell eSATA SheevaPlug Reference Board.
+
 config MACH_TS219
 	bool "QNAP TS-110, TS-119, TS-210, TS-219 and TS-219P Turbo NAS"
 	help
@@ -46,18 +52,35 @@ config MACH_TS41X
 	  QNAP TS-410, TS-410U, TS-419P and TS-419U Turbo NAS
 	  devices.
 
+config MACH_OPENRD
+        bool
+
 config MACH_OPENRD_BASE
 	bool "Marvell OpenRD Base Board"
+	select MACH_OPENRD
 	help
 	  Say 'Y' here if you want your kernel to support the
 	  Marvell OpenRD Base Board.
 
+config MACH_OPENRD_CLIENT
+	bool "Marvell OpenRD Client Board"
+	select MACH_OPENRD
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Marvell OpenRD Client Board.
+
 config MACH_NETSPACE_V2
 	bool "LaCie Network Space v2 NAS Board"
 	help
 	  Say 'Y' here if you want your kernel to support the
 	  LaCie Network Space v2 NAS.
 
+config MACH_INETSPACE_V2
+	bool "LaCie Internet Space v2 NAS Board"
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  LaCie Internet Space v2 NAS.
+
 endmenu
 
 endif
diff --git a/arch/arm/mach-kirkwood/Makefile b/arch/arm/mach-kirkwood/Makefile
index d4d7f53b0fb9..a5530e36ba3e 100644
--- a/arch/arm/mach-kirkwood/Makefile
+++ b/arch/arm/mach-kirkwood/Makefile
@@ -5,9 +5,11 @@ obj-$(CONFIG_MACH_RD88F6192_NAS)	+= rd88f6192-nas-setup.o
 obj-$(CONFIG_MACH_RD88F6281)		+= rd88f6281-setup.o
 obj-$(CONFIG_MACH_MV88F6281GTW_GE)	+= mv88f6281gtw_ge-setup.o
 obj-$(CONFIG_MACH_SHEEVAPLUG)		+= sheevaplug-setup.o
+obj-$(CONFIG_MACH_ESATA_SHEEVAPLUG)	+= sheevaplug-setup.o
 obj-$(CONFIG_MACH_TS219)		+= ts219-setup.o tsx1x-common.o
 obj-$(CONFIG_MACH_TS41X)		+= ts41x-setup.o tsx1x-common.o
-obj-$(CONFIG_MACH_OPENRD_BASE)		+= openrd_base-setup.o
+obj-$(CONFIG_MACH_OPENRD)		+= openrd-setup.o
 obj-$(CONFIG_MACH_NETSPACE_V2)		+= netspace_v2-setup.o
+obj-$(CONFIG_MACH_INETSPACE_V2)		+= netspace_v2-setup.o
 
 obj-$(CONFIG_CPU_IDLE)			+= cpuidle.o
diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index 242dd0775343..f759ca243925 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -656,7 +656,7 @@ static struct platform_device kirkwood_xor00_channel = {
 	.dev		= {
 		.dma_mask		= &kirkwood_xor_dmamask,
 		.coherent_dma_mask	= DMA_BIT_MASK(64),
-		.platform_data		= (void *)&kirkwood_xor00_data,
+		.platform_data		= &kirkwood_xor00_data,
 	},
 };
 
@@ -682,7 +682,7 @@ static struct platform_device kirkwood_xor01_channel = {
 	.dev		= {
 		.dma_mask		= &kirkwood_xor_dmamask,
 		.coherent_dma_mask	= DMA_BIT_MASK(64),
-		.platform_data		= (void *)&kirkwood_xor01_data,
+		.platform_data		= &kirkwood_xor01_data,
 	},
 };
 
@@ -755,7 +755,7 @@ static struct platform_device kirkwood_xor10_channel = {
 	.dev		= {
 		.dma_mask		= &kirkwood_xor_dmamask,
 		.coherent_dma_mask	= DMA_BIT_MASK(64),
-		.platform_data		= (void *)&kirkwood_xor10_data,
+		.platform_data		= &kirkwood_xor10_data,
 	},
 };
 
@@ -781,7 +781,7 @@ static struct platform_device kirkwood_xor11_channel = {
 	.dev		= {
 		.dma_mask		= &kirkwood_xor_dmamask,
 		.coherent_dma_mask	= DMA_BIT_MASK(64),
-		.platform_data		= (void *)&kirkwood_xor11_data,
+		.platform_data		= &kirkwood_xor11_data,
 	},
 };
 
diff --git a/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c b/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c
index 0358f45766cb..5e6f711b1c67 100644
--- a/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c
+++ b/arch/arm/mach-kirkwood/mv88f6281gtw_ge-setup.c
@@ -74,9 +74,9 @@ static struct gpio_keys_button mv88f6281gtw_ge_button_pins[] = {
 		.desc		= "SWR Button",
 		.active_low	= 1,
 	}, {
-		.code		= KEY_F1,
+		.code		= KEY_WPS_BUTTON,
 		.gpio		= 46,
-		.desc		= "WPS Button(F1)",
+		.desc		= "WPS Button",
 		.active_low	= 1,
 	},
 };
diff --git a/arch/arm/mach-kirkwood/netspace_v2-setup.c b/arch/arm/mach-kirkwood/netspace_v2-setup.c
index 9a064065bebe..3ae158d72681 100644
--- a/arch/arm/mach-kirkwood/netspace_v2-setup.c
+++ b/arch/arm/mach-kirkwood/netspace_v2-setup.c
@@ -182,8 +182,14 @@ static struct platform_device netspace_v2_gpio_buttons = {
 
 static struct gpio_led netspace_v2_gpio_led_pins[] = {
 	{
-		.name	= "ns_v2:red:fail",
-		.gpio	= NETSPACE_V2_GPIO_RED_LED,
+		.name			= "ns_v2:blue:sata",
+		.default_trigger	= "default-on",
+		.gpio			= NETSPACE_V2_GPIO_BLUE_LED_CMD,
+		.active_low		= 1,
+	},
+	{
+		.name			= "ns_v2:red:fail",
+		.gpio			= NETSPACE_V2_GPIO_RED_LED,
 	},
 };
 
@@ -202,30 +208,19 @@ static struct platform_device netspace_v2_gpio_leds = {
 
 static void __init netspace_v2_gpio_leds_init(void)
 {
-	platform_device_register(&netspace_v2_gpio_leds);
+	int err;
 
-	/*
-	 * Configure the front blue LED to blink in relation with the SATA
-	 * activity.
-	 */
-	if (gpio_request(NETSPACE_V2_GPIO_BLUE_LED_SLOW,
-			 "SATA blue LED slow") != 0)
-		return;
-	if (gpio_direction_output(NETSPACE_V2_GPIO_BLUE_LED_SLOW, 0) != 0)
-		goto err_free_1;
-	if (gpio_request(NETSPACE_V2_GPIO_BLUE_LED_CMD,
-			 "SATA blue LED command") != 0)
-		goto err_free_1;
-	if (gpio_direction_output(NETSPACE_V2_GPIO_BLUE_LED_CMD, 0) != 0)
-		goto err_free_2;
-
-	return;
-
-err_free_2:
-	gpio_free(NETSPACE_V2_GPIO_BLUE_LED_CMD);
-err_free_1:
-	gpio_free(NETSPACE_V2_GPIO_BLUE_LED_SLOW);
-	pr_err("netspace_v2: failed to configure SATA blue LED\n");
+	/* Configure register slow_led to allow SATA activity LED blinking */
+	err = gpio_request(NETSPACE_V2_GPIO_BLUE_LED_SLOW, "blue LED slow");
+	if (err == 0) {
+		err = gpio_direction_output(NETSPACE_V2_GPIO_BLUE_LED_SLOW, 0);
+		if (err)
+			gpio_free(NETSPACE_V2_GPIO_BLUE_LED_SLOW);
+	}
+	if (err)
+		pr_err("netspace_v2: failed to configure blue LED slow GPIO\n");
+
+	platform_device_register(&netspace_v2_gpio_leds);
 }
 
 /*****************************************************************************
@@ -314,6 +309,7 @@ static void __init netspace_v2_init(void)
 		pr_err("netspace_v2: failed to configure power-off GPIO\n");
 }
 
+#ifdef CONFIG_MACH_NETSPACE_V2
 MACHINE_START(NETSPACE_V2, "LaCie Network Space v2")
 	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
 	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
@@ -323,3 +319,16 @@ MACHINE_START(NETSPACE_V2, "LaCie Network Space v2")
 	.init_irq	= kirkwood_init_irq,
 	.timer		= &netspace_v2_timer,
 MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_INETSPACE_V2
+MACHINE_START(INETSPACE_V2, "LaCie Internet Space v2")
+	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
+	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
+	.boot_params	= 0x00000100,
+	.init_machine	= netspace_v2_init,
+	.map_io		= kirkwood_map_io,
+	.init_irq	= kirkwood_init_irq,
+	.timer		= &netspace_v2_timer,
+MACHINE_END
+#endif
diff --git a/arch/arm/mach-kirkwood/openrd-setup.c b/arch/arm/mach-kirkwood/openrd-setup.c
new file mode 100644
index 000000000000..ad3f1ec33796
--- /dev/null
+++ b/arch/arm/mach-kirkwood/openrd-setup.c
@@ -0,0 +1,118 @@
+/*
+ * arch/arm/mach-kirkwood/openrd-setup.c
+ *
+ * Marvell OpenRD (Base|Client) Board Setup
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/kirkwood.h>
+#include <plat/mvsdio.h>
+#include "common.h"
+#include "mpp.h"
+
+static struct mtd_partition openrd_nand_parts[] = {
+	{
+		.name		= "u-boot",
+		.offset		= 0,
+		.size		= SZ_1M,
+		.mask_flags	= MTD_WRITEABLE
+	}, {
+		.name		= "uImage",
+		.offset		= MTDPART_OFS_NXTBLK,
+		.size		= SZ_4M
+	}, {
+		.name		= "root",
+		.offset		= MTDPART_OFS_NXTBLK,
+		.size		= MTDPART_SIZ_FULL
+	},
+};
+
+static struct mv643xx_eth_platform_data openrd_ge00_data = {
+	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
+};
+
+static struct mv643xx_eth_platform_data openrd_ge01_data = {
+	.phy_addr	= MV643XX_ETH_PHY_ADDR(24),
+};
+
+static struct mv_sata_platform_data openrd_sata_data = {
+	.n_ports	= 2,
+};
+
+static struct mvsdio_platform_data openrd_mvsdio_data = {
+	.gpio_card_detect = 29,	/* MPP29 used as SD card detect */
+};
+
+static unsigned int openrd_mpp_config[] __initdata = {
+	MPP29_GPIO,
+	0
+};
+
+static void __init openrd_init(void)
+{
+	/*
+	 * Basic setup. Needs to be called early.
+	 */
+	kirkwood_init();
+	kirkwood_mpp_conf(openrd_mpp_config);
+
+	kirkwood_uart0_init();
+	kirkwood_nand_init(ARRAY_AND_SIZE(openrd_nand_parts), 25);
+
+	kirkwood_ehci_init();
+
+	kirkwood_ge00_init(&openrd_ge00_data);
+	if (machine_is_openrd_client())
+		kirkwood_ge01_init(&openrd_ge01_data);
+	kirkwood_sata_init(&openrd_sata_data);
+	kirkwood_sdio_init(&openrd_mvsdio_data);
+
+	kirkwood_i2c_init();
+}
+
+static int __init openrd_pci_init(void)
+{
+	if (machine_is_openrd_base() || machine_is_openrd_client())
+		kirkwood_pcie_init();
+
+	return 0;
+}
+subsys_initcall(openrd_pci_init);
+
+#ifdef CONFIG_MACH_OPENRD_BASE
+MACHINE_START(OPENRD_BASE, "Marvell OpenRD Base Board")
+	/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
+	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
+	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
+	.boot_params	= 0x00000100,
+	.init_machine	= openrd_init,
+	.map_io		= kirkwood_map_io,
+	.init_irq	= kirkwood_init_irq,
+	.timer		= &kirkwood_timer,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_OPENRD_CLIENT
+MACHINE_START(OPENRD_CLIENT, "Marvell OpenRD Client Board")
+	/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
+	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
+	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
+	.boot_params	= 0x00000100,
+	.init_machine	= openrd_init,
+	.map_io		= kirkwood_map_io,
+	.init_irq	= kirkwood_init_irq,
+	.timer		= &kirkwood_timer,
+MACHINE_END
+#endif
diff --git a/arch/arm/mach-kirkwood/openrd_base-setup.c b/arch/arm/mach-kirkwood/openrd_base-setup.c
deleted file mode 100644
index 77617c722299..000000000000
--- a/arch/arm/mach-kirkwood/openrd_base-setup.c
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * arch/arm/mach-kirkwood/openrd_base-setup.c
- *
- * Marvell OpenRD Base Board Setup
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/mtd/partitions.h>
-#include <linux/ata_platform.h>
-#include <linux/mv643xx_eth.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <mach/kirkwood.h>
-#include <plat/mvsdio.h>
-#include "common.h"
-#include "mpp.h"
-
-static struct mtd_partition openrd_base_nand_parts[] = {
-	{
-		.name = "u-boot",
-		.offset = 0,
-		.size = SZ_1M
-	}, {
-		.name = "uImage",
-		.offset = MTDPART_OFS_NXTBLK,
-		.size = SZ_4M
-	}, {
-		.name = "root",
-		.offset = MTDPART_OFS_NXTBLK,
-		.size = MTDPART_SIZ_FULL
-	},
-};
-
-static struct mv643xx_eth_platform_data openrd_base_ge00_data = {
-	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
-};
-
-static struct mv_sata_platform_data openrd_base_sata_data = {
-	.n_ports	= 2,
-};
-
-static struct mvsdio_platform_data openrd_base_mvsdio_data = {
-	.gpio_card_detect = 29,	/* MPP29 used as SD card detect */
-};
-
-static unsigned int openrd_base_mpp_config[] __initdata = {
-	MPP29_GPIO,
-	0
-};
-
-static void __init openrd_base_init(void)
-{
-	/*
-	 * Basic setup. Needs to be called early.
-	 */
-	kirkwood_init();
-	kirkwood_mpp_conf(openrd_base_mpp_config);
-
-	kirkwood_uart0_init();
-	kirkwood_nand_init(ARRAY_AND_SIZE(openrd_base_nand_parts), 25);
-
-	kirkwood_ehci_init();
-
-	kirkwood_ge00_init(&openrd_base_ge00_data);
-	kirkwood_sata_init(&openrd_base_sata_data);
-	kirkwood_sdio_init(&openrd_base_mvsdio_data);
-
-	kirkwood_i2c_init();
-}
-
-static int __init openrd_base_pci_init(void)
-{
-	if (machine_is_openrd_base())
-		kirkwood_pcie_init();
-
-	return 0;
- }
-subsys_initcall(openrd_base_pci_init);
-
-
-MACHINE_START(OPENRD_BASE, "Marvell OpenRD Base Board")
-	/* Maintainer: Dhaval Vasa <dhaval.vasa@einfochips.com> */
-	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
-	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
-	.boot_params	= 0x00000100,
-	.init_machine	= openrd_base_init,
-	.map_io		= kirkwood_map_io,
-	.init_irq	= kirkwood_init_irq,
-	.timer		= &kirkwood_timer,
-MACHINE_END
diff --git a/arch/arm/mach-kirkwood/sheevaplug-setup.c b/arch/arm/mach-kirkwood/sheevaplug-setup.c
index c7319eeac8bb..a00879d34d54 100644
--- a/arch/arm/mach-kirkwood/sheevaplug-setup.c
+++ b/arch/arm/mach-kirkwood/sheevaplug-setup.c
@@ -11,6 +11,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
+#include <linux/ata_platform.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mv643xx_eth.h>
 #include <linux/gpio.h>
@@ -42,10 +43,19 @@ static struct mv643xx_eth_platform_data sheevaplug_ge00_data = {
 	.phy_addr	= MV643XX_ETH_PHY_ADDR(0),
 };
 
+static struct mv_sata_platform_data sheeva_esata_sata_data = {
+	.n_ports	= 2,
+};
+
 static struct mvsdio_platform_data sheevaplug_mvsdio_data = {
 	/* unfortunately the CD signal has not been connected */
 };
 
+static struct mvsdio_platform_data sheeva_esata_mvsdio_data = {
+	.gpio_write_protect = 44, /* MPP44 used as SD write protect */
+	.gpio_card_detect = 47,	  /* MPP47 used as SD card detect */
+};
+
 static struct gpio_led sheevaplug_led_pins[] = {
 	{
 		.name			= "plug:green:health",
@@ -74,13 +84,26 @@ static unsigned int sheevaplug_mpp_config[] __initdata = {
 	0
 };
 
+static unsigned int sheeva_esata_mpp_config[] __initdata = {
+	MPP29_GPIO,	/* USB Power Enable */
+	MPP44_GPIO,	/* SD Write Protect */
+	MPP47_GPIO,	/* SD Card Detect */
+	MPP49_GPIO,	/* LED Green */
+	0
+};
+
 static void __init sheevaplug_init(void)
 {
 	/*
 	 * Basic setup. Needs to be called early.
 	 */
 	kirkwood_init();
-	kirkwood_mpp_conf(sheevaplug_mpp_config);
+
+	/* setup gpio pin select */
+	if (machine_is_sheeva_esata())
+		kirkwood_mpp_conf(sheeva_esata_mpp_config);
+	else
+		kirkwood_mpp_conf(sheevaplug_mpp_config);
 
 	kirkwood_uart0_init();
 	kirkwood_nand_init(ARRAY_AND_SIZE(sheevaplug_nand_parts), 25);
@@ -91,11 +114,21 @@ static void __init sheevaplug_init(void)
 	kirkwood_ehci_init();
 
 	kirkwood_ge00_init(&sheevaplug_ge00_data);
-	kirkwood_sdio_init(&sheevaplug_mvsdio_data);
+
+	/* honor lower power consumption for plugs with out eSATA */
+	if (machine_is_sheeva_esata())
+		kirkwood_sata_init(&sheeva_esata_sata_data);
+
+	/* enable sd wp and sd cd on plugs with esata */
+	if (machine_is_sheeva_esata())
+		kirkwood_sdio_init(&sheeva_esata_mvsdio_data);
+	else
+		kirkwood_sdio_init(&sheevaplug_mvsdio_data);
 
 	platform_device_register(&sheevaplug_leds);
 }
 
+#ifdef CONFIG_MACH_SHEEVAPLUG
 MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
 	/* Maintainer: shadi Ammouri <shadi@marvell.com> */
 	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
@@ -106,3 +139,16 @@ MACHINE_START(SHEEVAPLUG, "Marvell SheevaPlug Reference Board")
 	.init_irq	= kirkwood_init_irq,
 	.timer		= &kirkwood_timer,
 MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_ESATA_SHEEVAPLUG
+MACHINE_START(ESATA_SHEEVAPLUG, "Marvell eSATA SheevaPlug Reference Board")
+	.phys_io	= KIRKWOOD_REGS_PHYS_BASE,
+	.io_pg_offst	= ((KIRKWOOD_REGS_VIRT_BASE) >> 18) & 0xfffc,
+	.boot_params	= 0x00000100,
+	.init_machine	= sheevaplug_init,
+	.map_io		= kirkwood_map_io,
+	.init_irq	= kirkwood_init_irq,
+	.timer		= &kirkwood_timer,
+MACHINE_END
+#endif
diff --git a/arch/arm/mach-mmp/Kconfig b/arch/arm/mach-mmp/Kconfig
index c6a564fc4a7c..6ab843eaa35b 100644
--- a/arch/arm/mach-mmp/Kconfig
+++ b/arch/arm/mach-mmp/Kconfig
@@ -1,6 +1,6 @@
 if ARCH_MMP
 
-menu "Marvell PXA168/910 Implmentations"
+menu "Marvell PXA168/910/MMP2 Implmentations"
 
 config MACH_ASPENITE
 	bool "Marvell's PXA168 Aspenite Development Board"
@@ -16,6 +16,13 @@ config MACH_ZYLONITE2
 	  Say 'Y' here if you want to support the Marvell PXA168-based
 	  Zylonite2 Development Board.
 
+config MACH_AVENGERS_LITE
+	bool "Marvell's PXA168 Avengers Lite Development Board"
+	select CPU_PXA168
+	help
+	  Say 'Y' here if you want to support the Marvell PXA168-based
+	  Avengers Lite Development Board.
+
 config MACH_TAVOREVB
 	bool "Marvell's PXA910 TavorEVB Development Board"
 	select CPU_PXA910
@@ -30,6 +37,26 @@ config MACH_TTC_DKB
 	  Say 'Y' here if you want to support the Marvell PXA910-based
 	  TTC_DKB Development Board.
 
+config MACH_FLINT
+	bool "Marvell's Flint Development Platform"
+	select CPU_MMP2
+	help
+	  Say 'Y' here if you want to support the Marvell MMP2-based
+	  Flint Development Platform.
+	  MMP2-based board can't be co-existed with PXA168-based &
+	  PXA910-based development board. Since MMP2 is compatible to
+	  ARMv6 architecture.
+
+config MACH_MARVELL_JASPER
+	bool "Marvell's Jasper Development Platform"
+	select CPU_MMP2
+	help
+	  Say 'Y' here if you want to support the Marvell MMP2-base
+	  Jasper Development Platform.
+	  MMP2-based board can't be co-existed with PXA168-based &
+	  PXA910-based development board. Since MMP2 is compatible to
+	  ARMv6 architecture.
+
 endmenu
 
 config CPU_PXA168
@@ -44,4 +71,10 @@ config CPU_PXA910
 	help
 	  Select code specific to PXA910
 
+config CPU_MMP2
+	bool
+	select CPU_V6
+	select CPU_32v6K
+	help
+	  Select code specific to MMP2. MMP2 is ARMv6 compatible.
 endif
diff --git a/arch/arm/mach-mmp/Makefile b/arch/arm/mach-mmp/Makefile
index 6883e6584883..8b66d06739c4 100644
--- a/arch/arm/mach-mmp/Makefile
+++ b/arch/arm/mach-mmp/Makefile
@@ -2,14 +2,18 @@
 # Makefile for Marvell's PXA168 processors line
 #
 
-obj-y				+= common.o clock.o devices.o irq.o time.o
+obj-y				+= common.o clock.o devices.o time.o
 
 # SoC support
-obj-$(CONFIG_CPU_PXA168)	+= pxa168.o
-obj-$(CONFIG_CPU_PXA910)	+= pxa910.o
+obj-$(CONFIG_CPU_PXA168)	+= pxa168.o irq-pxa168.o
+obj-$(CONFIG_CPU_PXA910)	+= pxa910.o irq-pxa168.o
+obj-$(CONFIG_CPU_MMP2)		+= mmp2.o irq-mmp2.o
 
 # board support
 obj-$(CONFIG_MACH_ASPENITE)	+= aspenite.o
 obj-$(CONFIG_MACH_ZYLONITE2)	+= aspenite.o
+obj-$(CONFIG_MACH_AVENGERS_LITE)+= avengers_lite.o
 obj-$(CONFIG_MACH_TAVOREVB)	+= tavorevb.o
 obj-$(CONFIG_MACH_TTC_DKB)	+= ttc_dkb.o
+obj-$(CONFIG_MACH_FLINT)	+= flint.o
+obj-$(CONFIG_MACH_MARVELL_JASPER) += jasper.o
diff --git a/arch/arm/mach-mmp/avengers_lite.c b/arch/arm/mach-mmp/avengers_lite.c
new file mode 100644
index 000000000000..8c3fa5d14f4b
--- /dev/null
+++ b/arch/arm/mach-mmp/avengers_lite.c
@@ -0,0 +1,51 @@
+/*
+ *  linux/arch/arm/mach-mmp/avengers_lite.c
+ *
+ *  Support for the Marvell PXA168-based Avengers lite Development Platform.
+ *
+ *  Copyright (C) 2009-2010 Marvell International Ltd.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  publishhed by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/addr-map.h>
+#include <mach/mfp-pxa168.h>
+#include <mach/pxa168.h>
+#include <mach/irqs.h>
+
+
+#include "common.h"
+#include <linux/delay.h>
+
+/* Avengers lite MFP configurations */
+static unsigned long avengers_lite_pin_config_V16F[] __initdata = {
+	/* DEBUG_UART */
+	GPIO88_UART2_TXD,
+	GPIO89_UART2_RXD,
+};
+
+static void __init avengers_lite_init(void)
+{
+	mfp_config(ARRAY_AND_SIZE(avengers_lite_pin_config_V16F));
+
+	/* on-chip devices */
+	pxa168_add_uart(2);
+}
+
+MACHINE_START(AVENGERS_LITE, "PXA168 Avengers lite Development Platform")
+	.phys_io        = APB_PHYS_BASE,
+	.boot_params    = 0x00000100,
+	.io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,
+	.map_io		= pxa_map_io,
+	.init_irq       = pxa168_init_irq,
+	.timer          = &pxa168_timer,
+	.init_machine   = avengers_lite_init,
+MACHINE_END
diff --git a/arch/arm/mach-mmp/common.h b/arch/arm/mach-mmp/common.h
index c33fbbc49417..b4a0ba05a0f4 100644
--- a/arch/arm/mach-mmp/common.h
+++ b/arch/arm/mach-mmp/common.h
@@ -3,11 +3,15 @@
 struct sys_timer;
 
 extern void timer_init(int irq);
+extern void mmp2_clear_pmic_int(void);
 
 extern struct sys_timer pxa168_timer;
 extern struct sys_timer pxa910_timer;
+extern struct sys_timer mmp2_timer;
 extern void __init pxa168_init_irq(void);
 extern void __init pxa910_init_irq(void);
+extern void __init mmp2_init_icu(void);
+extern void __init mmp2_init_irq(void);
 
 extern void __init icu_init_irq(void);
 extern void __init pxa_map_io(void);
diff --git a/arch/arm/mach-mmp/flint.c b/arch/arm/mach-mmp/flint.c
new file mode 100644
index 000000000000..4ec7709a3462
--- /dev/null
+++ b/arch/arm/mach-mmp/flint.c
@@ -0,0 +1,123 @@
+/*
+ *  linux/arch/arm/mach-mmp/flint.c
+ *
+ *  Support for the Marvell Flint Development Platform.
+ *
+ *  Copyright (C) 2009 Marvell International Ltd.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  publishhed by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/smc91x.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/addr-map.h>
+#include <mach/mfp-mmp2.h>
+#include <mach/mmp2.h>
+
+#include "common.h"
+
+static unsigned long flint_pin_config[] __initdata = {
+	/* UART1 */
+	GPIO45_UART1_RXD,
+	GPIO46_UART1_TXD,
+
+	/* UART2 */
+	GPIO47_UART2_RXD,
+	GPIO48_UART2_TXD,
+
+	/* SMC */
+	GPIO151_SMC_SCLK,
+	GPIO145_SMC_nCS0,
+	GPIO146_SMC_nCS1,
+	GPIO152_SMC_BE0,
+	GPIO153_SMC_BE1,
+	GPIO154_SMC_IRQ,
+	GPIO113_SMC_RDY,
+
+	/*Ethernet*/
+	GPIO155_GPIO155,
+
+	/* DFI */
+	GPIO168_DFI_D0,
+	GPIO167_DFI_D1,
+	GPIO166_DFI_D2,
+	GPIO165_DFI_D3,
+	GPIO107_DFI_D4,
+	GPIO106_DFI_D5,
+	GPIO105_DFI_D6,
+	GPIO104_DFI_D7,
+	GPIO111_DFI_D8,
+	GPIO164_DFI_D9,
+	GPIO163_DFI_D10,
+	GPIO162_DFI_D11,
+	GPIO161_DFI_D12,
+	GPIO110_DFI_D13,
+	GPIO109_DFI_D14,
+	GPIO108_DFI_D15,
+	GPIO143_ND_nCS0,
+	GPIO144_ND_nCS1,
+	GPIO147_ND_nWE,
+	GPIO148_ND_nRE,
+	GPIO150_ND_ALE,
+	GPIO149_ND_CLE,
+	GPIO112_ND_RDY0,
+	GPIO160_ND_RDY1,
+};
+
+static struct smc91x_platdata flint_smc91x_info = {
+	.flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT,
+};
+
+static struct resource smc91x_resources[] = {
+	[0] = {
+		.start  = SMC_CS1_PHYS_BASE + 0x300,
+		.end    = SMC_CS1_PHYS_BASE + 0xfffff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = gpio_to_irq(155),
+		.end    = gpio_to_irq(155),
+		.flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+	}
+};
+
+static struct platform_device smc91x_device = {
+	.name           = "smc91x",
+	.id             = 0,
+	.dev            = {
+		.platform_data = &flint_smc91x_info,
+	},
+	.num_resources  = ARRAY_SIZE(smc91x_resources),
+	.resource       = smc91x_resources,
+};
+
+static void __init flint_init(void)
+{
+	mfp_config(ARRAY_AND_SIZE(flint_pin_config));
+
+	/* on-chip devices */
+	mmp2_add_uart(1);
+	mmp2_add_uart(2);
+
+	/* off-chip devices */
+	platform_device_register(&smc91x_device);
+}
+
+MACHINE_START(FLINT, "Flint Development Platform")
+	.phys_io        = APB_PHYS_BASE,
+	.boot_params    = 0x00000100,
+	.io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,
+	.map_io		= pxa_map_io,
+	.init_irq       = mmp2_init_irq,
+	.timer          = &mmp2_timer,
+	.init_machine   = flint_init,
+MACHINE_END
diff --git a/arch/arm/mach-mmp/include/mach/cputype.h b/arch/arm/mach-mmp/include/mach/cputype.h
index 25e797b09083..83b18721d933 100644
--- a/arch/arm/mach-mmp/include/mach/cputype.h
+++ b/arch/arm/mach-mmp/include/mach/cputype.h
@@ -8,6 +8,7 @@
  *
  * PXA168    A0    0x41159263   0x56158400   0x00A0A333
  * PXA910    Y0    0x41159262   0x56158000   0x00F0C910
+ * MMP2	     Z0			0x560f5811
  */
 
 #ifdef CONFIG_CPU_PXA168
@@ -24,7 +25,15 @@
 #  define __cpu_is_pxa910(id)	(0)
 #endif
 
+#ifdef CONFIG_CPU_MMP2
+#  define __cpu_is_mmp2(id)	\
+	({ unsigned int _id = ((id) >> 8) & 0xff; _id == 0x58; })
+#else
+#  define __cpu_is_mmp2(id)	(0)
+#endif
+
 #define cpu_is_pxa168()		({ __cpu_is_pxa168(read_cpuid_id()); })
 #define cpu_is_pxa910()		({ __cpu_is_pxa910(read_cpuid_id()); })
+#define cpu_is_mmp2()		({ __cpu_is_mmp2(read_cpuid_id()); })
 
 #endif /* __ASM_MACH_CPUTYPE_H */
diff --git a/arch/arm/mach-mmp/include/mach/devices.h b/arch/arm/mach-mmp/include/mach/devices.h
index 24585397217e..1fa0a492454a 100644
--- a/arch/arm/mach-mmp/include/mach/devices.h
+++ b/arch/arm/mach-mmp/include/mach/devices.h
@@ -34,4 +34,16 @@ struct pxa_device_desc pxa910_device_##_name __initdata = {		\
 	.size		= _size,					\
 	.dma		= { _dma },					\
 };
+
+#define MMP2_DEVICE(_name, _drv, _id, _irq, _start, _size, _dma...)	\
+struct pxa_device_desc mmp2_device_##_name __initdata = {		\
+	.dev_name	= "mmp2-" #_name,				\
+	.drv_name	= _drv,						\
+	.id		= _id,						\
+	.irq		= IRQ_MMP2_##_irq,				\
+	.start		= _start,					\
+	.size		= _size,					\
+	.dma		= { _dma },					\
+}
+
 extern int pxa_register_device(struct pxa_device_desc *, void *, size_t);
diff --git a/arch/arm/mach-mmp/include/mach/entry-macro.S b/arch/arm/mach-mmp/include/mach/entry-macro.S
index 6d3cd35478b5..c42d9d4e892d 100644
--- a/arch/arm/mach-mmp/include/mach/entry-macro.S
+++ b/arch/arm/mach-mmp/include/mach/entry-macro.S
@@ -15,7 +15,12 @@
 	.endm
 
 	.macro	get_irqnr_preamble, base, tmp
-	ldr	\base, =ICU_AP_IRQ_SEL_INT_NUM
+	mrc	p15, 0, \tmp, c0, c0, 0		@ CPUID
+	and	\tmp, \tmp, #0xff00
+	cmp	\tmp, #0x5800
+	ldr	\base, =ICU_VIRT_BASE
+	addne	\base, \base, #0x10c		@ PJ1 AP INT SEL register
+	addeq	\base, \base, #0x104		@ PJ4 IRQ SEL register
 	.endm
 
 	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
diff --git a/arch/arm/mach-mmp/include/mach/irqs.h b/arch/arm/mach-mmp/include/mach/irqs.h
index d68871b0f28c..02701196ea03 100644
--- a/arch/arm/mach-mmp/include/mach/irqs.h
+++ b/arch/arm/mach-mmp/include/mach/irqs.h
@@ -113,10 +113,119 @@
 #define IRQ_PXA910_AP_PMU		60
 #define IRQ_PXA910_SM_INT		63	/* from PinMux */
 
-#define IRQ_GPIO_START			64
-#define IRQ_GPIO_NUM			128
+/*
+ * Interrupt numbers for MMP2
+ */
+#define IRQ_MMP2_NONE			(-1)
+#define IRQ_MMP2_SSP1			0
+#define IRQ_MMP2_SSP2			1
+#define IRQ_MMP2_SSPA1			2
+#define IRQ_MMP2_SSPA2			3
+#define IRQ_MMP2_PMIC_MUX		4	/* PMIC & Charger */
+#define IRQ_MMP2_RTC_MUX		5
+#define IRQ_MMP2_TWSI1			7
+#define IRQ_MMP2_GPU			8
+#define IRQ_MMP2_KEYPAD			9
+#define IRQ_MMP2_ROTARY			10
+#define IRQ_MMP2_TRACKBALL		11
+#define IRQ_MMP2_ONEWIRE		12
+#define IRQ_MMP2_TIMER1			13
+#define IRQ_MMP2_TIMER2			14
+#define IRQ_MMP2_TIMER3			15
+#define IRQ_MMP2_RIPC			16
+#define IRQ_MMP2_TWSI_MUX		17	/* TWSI2 ~ TWSI6 */
+#define IRQ_MMP2_HDMI			19
+#define IRQ_MMP2_SSP3			20
+#define IRQ_MMP2_SSP4			21
+#define IRQ_MMP2_USB_HS1		22
+#define IRQ_MMP2_USB_HS2		23
+#define IRQ_MMP2_UART3			24
+#define IRQ_MMP2_UART1			27
+#define IRQ_MMP2_UART2			28
+#define IRQ_MMP2_MIPI_DSI		29
+#define IRQ_MMP2_CI2			30
+#define IRQ_MMP2_PMU_TIMER1		31
+#define IRQ_MMP2_PMU_TIMER2		32
+#define IRQ_MMP2_PMU_TIMER3		33
+#define IRQ_MMP2_USB_FS			34
+#define IRQ_MMP2_MISC_MUX		35
+#define IRQ_MMP2_WDT1			36
+#define IRQ_MMP2_NAND_DMA		37
+#define IRQ_MMP2_USIM			38
+#define IRQ_MMP2_MMC			39
+#define IRQ_MMP2_WTM			40
+#define IRQ_MMP2_LCD			41
+#define IRQ_MMP2_CI			42
+#define IRQ_MMP2_IRE			43
+#define IRQ_MMP2_USB_OTG		44
+#define IRQ_MMP2_NAND			45
+#define IRQ_MMP2_UART4			46
+#define IRQ_MMP2_DMA_FIQ		47
+#define IRQ_MMP2_DMA_RIQ		48
+#define IRQ_MMP2_GPIO			49
+#define IRQ_MMP2_SSP_MUX		51
+#define IRQ_MMP2_MMC2			52
+#define IRQ_MMP2_MMC3			53
+#define IRQ_MMP2_MMC4			54
+#define IRQ_MMP2_MIPI_HSI		55
+#define IRQ_MMP2_MSP			58
+#define IRQ_MMP2_MIPI_SLIM_DMA		59
+#define IRQ_MMP2_PJ4_FREQ_CHG		60
+#define IRQ_MMP2_MIPI_SLIM		62
+#define IRQ_MMP2_SM			63
+
+#define IRQ_MMP2_MUX_BASE		64
+
+/* secondary interrupt of INT #4 */
+#define IRQ_MMP2_PMIC_BASE		(IRQ_MMP2_MUX_BASE)
+#define IRQ_MMP2_CHARGER		(IRQ_MMP2_PMIC_BASE + 0)
+#define IRQ_MMP2_PMIC			(IRQ_MMP2_PMIC_BASE + 1)
+
+/* secondary interrupt of INT #5 */
+#define IRQ_MMP2_RTC_BASE		(IRQ_MMP2_PMIC_BASE + 2)
+#define IRQ_MMP2_RTC_ALARM		(IRQ_MMP2_RTC_BASE + 0)
+#define IRQ_MMP2_RTC			(IRQ_MMP2_RTC_BASE + 1)
+
+/* secondary interrupt of INT #17 */
+#define IRQ_MMP2_TWSI_BASE		(IRQ_MMP2_RTC_BASE + 2)
+#define IRQ_MMP2_TWSI2			(IRQ_MMP2_TWSI_BASE + 0)
+#define IRQ_MMP2_TWSI3			(IRQ_MMP2_TWSI_BASE + 1)
+#define IRQ_MMP2_TWSI4			(IRQ_MMP2_TWSI_BASE + 2)
+#define IRQ_MMP2_TWSI5			(IRQ_MMP2_TWSI_BASE + 3)
+#define IRQ_MMP2_TWSI6			(IRQ_MMP2_TWSI_BASE + 4)
+
+/* secondary interrupt of INT #35 */
+#define IRQ_MMP2_MISC_BASE		(IRQ_MMP2_TWSI_BASE + 5)
+#define IRQ_MMP2_PERF			(IRQ_MMP2_MISC_BASE + 0)
+#define IRQ_MMP2_L2_PA_ECC		(IRQ_MMP2_MISC_BASE + 1)
+#define IRQ_MMP2_L2_ECC			(IRQ_MMP2_MISC_BASE + 2)
+#define IRQ_MMP2_L2_UECC		(IRQ_MMP2_MISC_BASE + 3)
+#define IRQ_MMP2_DDR			(IRQ_MMP2_MISC_BASE + 4)
+#define IRQ_MMP2_FAB0_TIMEOUT		(IRQ_MMP2_MISC_BASE + 5)
+#define IRQ_MMP2_FAB1_TIMEOUT		(IRQ_MMP2_MISC_BASE + 6)
+#define IRQ_MMP2_FAB2_TIMEOUT		(IRQ_MMP2_MISC_BASE + 7)
+#define IRQ_MMP2_THERMAL		(IRQ_MMP2_MISC_BASE + 9)
+#define IRQ_MMP2_MAIN_PMU		(IRQ_MMP2_MISC_BASE + 10)
+#define IRQ_MMP2_WDT2			(IRQ_MMP2_MISC_BASE + 11)
+#define IRQ_MMP2_CORESIGHT		(IRQ_MMP2_MISC_BASE + 12)
+#define IRQ_MMP2_COMMTX			(IRQ_MMP2_MISC_BASE + 13)
+#define IRQ_MMP2_COMMRX			(IRQ_MMP2_MISC_BASE + 14)
+
+/* secondary interrupt of INT #51 */
+#define IRQ_MMP2_SSP_BASE		(IRQ_MMP2_MISC_BASE + 15)
+#define IRQ_MMP2_SSP1_SRDY		(IRQ_MMP2_SSP_BASE + 0)
+#define IRQ_MMP2_SSP3_SRDY		(IRQ_MMP2_SSP_BASE + 1)
+
+#define IRQ_MMP2_MUX_END		(IRQ_MMP2_SSP_BASE + 2)
+
+#define IRQ_GPIO_START			128
+#define IRQ_GPIO_NUM			192
 #define IRQ_GPIO(x)			(IRQ_GPIO_START + (x))
 
-#define NR_IRQS		(IRQ_GPIO_START + IRQ_GPIO_NUM)
+/* Board IRQ - 64 by default, increase if not enough */
+#define IRQ_BOARD_START			(IRQ_GPIO_START + IRQ_GPIO_NUM)
+#define IRQ_BOARD_END			(IRQ_BOARD_START + 64)
+
+#define NR_IRQS				(IRQ_BOARD_END)
 
 #endif /* __ASM_MACH_IRQS_H */
diff --git a/arch/arm/mach-mmp/include/mach/mfp-mmp2.h b/arch/arm/mach-mmp/include/mach/mfp-mmp2.h
new file mode 100644
index 000000000000..9f9f8143e272
--- /dev/null
+++ b/arch/arm/mach-mmp/include/mach/mfp-mmp2.h
@@ -0,0 +1,240 @@
+#ifndef __ASM_MACH_MFP_MMP2_H
+#define __ASM_MACH_MFP_MMP2_H
+
+#include <mach/mfp.h>
+
+#define MFP_DRIVE_VERY_SLOW	(0x0 << 13)
+#define MFP_DRIVE_SLOW		(0x2 << 13)
+#define MFP_DRIVE_MEDIUM	(0x4 << 13)
+#define MFP_DRIVE_FAST		(0x8 << 13)
+
+/* GPIO */
+
+/* DFI */
+#define GPIO108_DFI_D15		MFP_CFG(GPIO108, AF0)
+#define GPIO109_DFI_D14		MFP_CFG(GPIO109, AF0)
+#define GPIO110_DFI_D13		MFP_CFG(GPIO110, AF0)
+#define GPIO161_DFI_D12		MFP_CFG(GPIO161, AF0)
+#define GPIO162_DFI_D11		MFP_CFG(GPIO162, AF0)
+#define GPIO163_DFI_D10		MFP_CFG(GPIO163, AF0)
+#define GPIO164_DFI_D9		MFP_CFG(GPIO164, AF0)
+#define GPIO111_DFI_D8		MFP_CFG(GPIO111, AF0)
+#define GPIO104_DFI_D7		MFP_CFG(GPIO104, AF0)
+#define GPIO105_DFI_D6		MFP_CFG(GPIO105, AF0)
+#define GPIO106_DFI_D5		MFP_CFG(GPIO106, AF0)
+#define GPIO107_DFI_D4		MFP_CFG(GPIO107, AF0)
+#define GPIO165_DFI_D3		MFP_CFG(GPIO165, AF0)
+#define GPIO166_DFI_D2		MFP_CFG(GPIO166, AF0)
+#define GPIO167_DFI_D1		MFP_CFG(GPIO167, AF0)
+#define GPIO168_DFI_D0		MFP_CFG(GPIO168, AF0)
+#define GPIO143_ND_nCS0		MFP_CFG(GPIO143, AF0)
+#define GPIO144_ND_nCS1		MFP_CFG(GPIO144, AF0)
+#define GPIO147_ND_nWE		MFP_CFG(GPIO147, AF0)
+#define GPIO148_ND_nRE		MFP_CFG(GPIO148, AF0)
+#define GPIO150_ND_ALE		MFP_CFG(GPIO150, AF0)
+#define GPIO149_ND_CLE		MFP_CFG(GPIO149, AF0)
+#define GPIO112_ND_RDY0		MFP_CFG(GPIO112, AF0)
+#define GPIO160_ND_RDY1		MFP_CFG(GPIO160, AF0)
+
+/* Static Memory Controller */
+#define GPIO145_SMC_nCS0	MFP_CFG(GPIO145, AF0)
+#define GPIO146_SMC_nCS1	MFP_CFG(GPIO146, AF0)
+#define GPIO152_SMC_BE0		MFP_CFG(GPIO152, AF0)
+#define GPIO153_SMC_BE1		MFP_CFG(GPIO153, AF0)
+#define GPIO154_SMC_IRQ		MFP_CFG(GPIO154, AF0)
+#define GPIO113_SMC_RDY		MFP_CFG(GPIO113, AF0)
+#define GPIO151_SMC_SCLK	MFP_CFG(GPIO151, AF0)
+
+/* Ethernet */
+#define GPIO155_SM_ADVMUX	MFP_CFG(GPIO155, AF2)
+#define GPIO155_GPIO155		MFP_CFG(GPIO155, AF1)
+
+/* UART1 */
+#define GPIO45_UART1_RXD	MFP_CFG(GPIO45, AF1)
+#define GPIO46_UART1_TXD	MFP_CFG(GPIO46, AF1)
+#define GPIO29_UART1_RXD	MFP_CFG(GPIO29, AF1)
+#define GPIO30_UART1_TXD	MFP_CFG(GPIO30, AF1)
+#define GPIO31_UART1_CTS	MFP_CFG(GPIO31, AF1)
+#define GPIO32_UART1_RTS	MFP_CFG(GPIO32, AF1)
+
+/* UART2 */
+#define GPIO47_UART2_RXD	MFP_CFG(GPIO47, AF1)
+#define GPIO48_UART2_TXD	MFP_CFG(GPIO48, AF1)
+#define GPIO49_UART2_CTS	MFP_CFG(GPIO49, AF1)
+#define GPIO50_UART2_RTS	MFP_CFG(GPIO50, AF1)
+
+/* UART3 */
+#define GPIO51_UART3_RXD	MFP_CFG(GPIO51, AF1)
+#define GPIO52_UART3_TXD	MFP_CFG(GPIO52, AF1)
+#define GPIO53_UART3_CTS	MFP_CFG(GPIO53, AF1)
+#define GPIO54_UART3_RTS	MFP_CFG(GPIO54, AF1)
+
+/* MMC1 */
+#define GPIO124_MMC1_DAT7	MFP_CFG_DRV(GPIO124, AF1, FAST)
+#define GPIO125_MMC1_DAT6	MFP_CFG_DRV(GPIO125, AF1, FAST)
+#define GPIO129_MMC1_DAT5	MFP_CFG_DRV(GPIO129, AF1, FAST)
+#define GPIO130_MMC1_DAT4	MFP_CFG_DRV(GPIO130, AF1, FAST)
+#define GPIO131_MMC1_DAT3	MFP_CFG_DRV(GPIO131, AF1, FAST)
+#define GPIO132_MMC1_DAT2	MFP_CFG_DRV(GPIO132, AF1, FAST)
+#define GPIO133_MMC1_DAT1	MFP_CFG_DRV(GPIO133, AF1, FAST)
+#define GPIO134_MMC1_DAT0	MFP_CFG_DRV(GPIO134, AF1, FAST)
+#define GPIO136_MMC1_CMD	MFP_CFG_DRV(GPIO136, AF1, FAST)
+#define GPIO139_MMC1_CLK	MFP_CFG_DRV(GPIO139, AF1, FAST)
+#define GPIO140_MMC1_CD		MFP_CFG_DRV(GPIO140, AF1, FAST)
+#define GPIO141_MMC1_WP		MFP_CFG_DRV(GPIO141, AF1, FAST)
+
+/*MMC2*/
+#define GPIO37_MMC2_DAT3	MFP_CFG_DRV(GPIO37, AF1, FAST)
+#define GPIO38_MMC2_DAT2	MFP_CFG_DRV(GPIO38, AF1, FAST)
+#define GPIO39_MMC2_DAT1	MFP_CFG_DRV(GPIO39, AF1, FAST)
+#define GPIO40_MMC2_DAT0	MFP_CFG_DRV(GPIO40, AF1, FAST)
+#define GPIO41_MMC2_CMD		MFP_CFG_DRV(GPIO41, AF1, FAST)
+#define GPIO42_MMC2_CLK		MFP_CFG_DRV(GPIO42, AF1, FAST)
+
+/*MMC3*/
+#define GPIO165_MMC3_DAT7	MFP_CFG_DRV(GPIO165, AF2, FAST)
+#define GPIO162_MMC3_DAT6	MFP_CFG_DRV(GPIO162, AF2, FAST)
+#define GPIO166_MMC3_DAT5	MFP_CFG_DRV(GPIO166, AF2, FAST)
+#define GPIO163_MMC3_DAT4	MFP_CFG_DRV(GPIO163, AF2, FAST)
+#define GPIO167_MMC3_DAT3	MFP_CFG_DRV(GPIO167, AF2, FAST)
+#define GPIO164_MMC3_DAT2	MFP_CFG_DRV(GPIO164, AF2, FAST)
+#define GPIO168_MMC3_DAT1	MFP_CFG_DRV(GPIO168, AF2, FAST)
+#define GPIO111_MMC3_DAT0	MFP_CFG_DRV(GPIO111, AF2, FAST)
+#define GPIO112_MMC3_CMD	MFP_CFG_DRV(GPIO112, AF2, FAST)
+#define GPIO151_MMC3_CLK	MFP_CFG_DRV(GPIO151, AF2, FAST)
+
+/* LCD */
+#define GPIO74_LCD_FCLK		MFP_CFG_DRV(GPIO74, AF1, FAST)
+#define GPIO75_LCD_LCLK		MFP_CFG_DRV(GPIO75, AF1, FAST)
+#define GPIO76_LCD_PCLK		MFP_CFG_DRV(GPIO76, AF1, FAST)
+#define GPIO77_LCD_DENA		MFP_CFG_DRV(GPIO77, AF1, FAST)
+#define GPIO78_LCD_DD0		MFP_CFG_DRV(GPIO78, AF1, FAST)
+#define GPIO79_LCD_DD1		MFP_CFG_DRV(GPIO79, AF1, FAST)
+#define GPIO80_LCD_DD2		MFP_CFG_DRV(GPIO80, AF1, FAST)
+#define GPIO81_LCD_DD3		MFP_CFG_DRV(GPIO81, AF1, FAST)
+#define GPIO82_LCD_DD4		MFP_CFG_DRV(GPIO82, AF1, FAST)
+#define GPIO83_LCD_DD5		MFP_CFG_DRV(GPIO83, AF1, FAST)
+#define GPIO84_LCD_DD6		MFP_CFG_DRV(GPIO84, AF1, FAST)
+#define GPIO85_LCD_DD7		MFP_CFG_DRV(GPIO85, AF1, FAST)
+#define GPIO86_LCD_DD8		MFP_CFG_DRV(GPIO86, AF1, FAST)
+#define GPIO87_LCD_DD9		MFP_CFG_DRV(GPIO87, AF1, FAST)
+#define GPIO88_LCD_DD10		MFP_CFG_DRV(GPIO88, AF1, FAST)
+#define GPIO89_LCD_DD11		MFP_CFG_DRV(GPIO89, AF1, FAST)
+#define GPIO90_LCD_DD12		MFP_CFG_DRV(GPIO90, AF1, FAST)
+#define GPIO91_LCD_DD13		MFP_CFG_DRV(GPIO91, AF1, FAST)
+#define GPIO92_LCD_DD14		MFP_CFG_DRV(GPIO92, AF1, FAST)
+#define GPIO93_LCD_DD15		MFP_CFG_DRV(GPIO93, AF1, FAST)
+#define GPIO94_LCD_DD16		MFP_CFG_DRV(GPIO94, AF1, FAST)
+#define GPIO95_LCD_DD17		MFP_CFG_DRV(GPIO95, AF1, FAST)
+#define GPIO96_LCD_DD18		MFP_CFG_DRV(GPIO96, AF1, FAST)
+#define GPIO97_LCD_DD19		MFP_CFG_DRV(GPIO97, AF1, FAST)
+#define GPIO98_LCD_DD20		MFP_CFG_DRV(GPIO98, AF1, FAST)
+#define GPIO99_LCD_DD21		MFP_CFG_DRV(GPIO99, AF1, FAST)
+#define GPIO100_LCD_DD22	MFP_CFG_DRV(GPIO100, AF1, FAST)
+#define GPIO101_LCD_DD23	MFP_CFG_DRV(GPIO101, AF1, FAST)
+#define GPIO94_SPI_DCLK		MFP_CFG_DRV(GPIO94, AF3, FAST)
+#define GPIO95_SPI_CS0		MFP_CFG_DRV(GPIO95, AF3, FAST)
+#define GPIO96_SPI_DIN		MFP_CFG_DRV(GPIO96, AF3, FAST)
+#define GPIO97_SPI_DOUT		MFP_CFG_DRV(GPIO97, AF3, FAST)
+#define GPIO98_LCD_RST		MFP_CFG_DRV(GPIO98, AF0, FAST)
+
+#define GPIO114_MN_CLK_OUT	MFP_CFG_DRV(GPIO114, AF1, FAST)
+
+/*LCD TV path*/
+#define GPIO124_LCD_DD24	MFP_CFG_DRV(GPIO124, AF2, FAST)
+#define GPIO125_LCD_DD25	MFP_CFG_DRV(GPIO125, AF2, FAST)
+#define GPIO126_LCD_DD33	MFP_CFG_DRV(GPIO126, AF2, FAST)
+#define GPIO127_LCD_DD26	MFP_CFG_DRV(GPIO127, AF2, FAST)
+#define GPIO128_LCD_DD27	MFP_CFG_DRV(GPIO128, AF2, FAST)
+#define GPIO129_LCD_DD28	MFP_CFG_DRV(GPIO129, AF2, FAST)
+#define GPIO130_LCD_DD29	MFP_CFG_DRV(GPIO130, AF2, FAST)
+#define GPIO135_LCD_DD30	MFP_CFG_DRV(GPIO135, AF2, FAST)
+#define GPIO137_LCD_DD31	MFP_CFG_DRV(GPIO137, AF2, FAST)
+#define GPIO138_LCD_DD32	MFP_CFG_DRV(GPIO138, AF2, FAST)
+#define GPIO140_LCD_DD34	MFP_CFG_DRV(GPIO140, AF2, FAST)
+#define GPIO141_LCD_DD35	MFP_CFG_DRV(GPIO141, AF2, FAST)
+
+/* I2C */
+#define GPIO43_TWSI2_SCL	MFP_CFG_DRV(GPIO43, AF1, SLOW)
+#define GPIO44_TWSI2_SDA	MFP_CFG_DRV(GPIO44, AF1, SLOW)
+#define GPIO71_TWSI3_SCL	MFP_CFG_DRV(GPIO71, AF1, SLOW)
+#define GPIO72_TWSI3_SDA	MFP_CFG_DRV(GPIO72, AF1, SLOW)
+#define GPIO99_TWSI5_SCL	MFP_CFG_DRV(GPIO99, AF4, SLOW)
+#define GPIO100_TWSI5_SDA	MFP_CFG_DRV(GPIO100, AF4, SLOW)
+#define GPIO97_TWSI6_SCL	MFP_CFG_DRV(GPIO97, AF2, SLOW)
+#define GPIO98_TWSI6_SDA	MFP_CFG_DRV(GPIO98, AF2, SLOW)
+
+/* SSPA1 */
+#define GPIO24_I2S_SYSCLK	MFP_CFG(GPIO24, AF1)
+#define GPIO25_I2S_BITCLK	MFP_CFG(GPIO25, AF1)
+#define GPIO26_I2S_SYNC		MFP_CFG(GPIO26, AF1)
+#define GPIO27_I2S_DATA_OUT	MFP_CFG(GPIO27, AF1)
+#define GPIO28_I2S_SDATA_IN	MFP_CFG(GPIO28, AF1)
+#define GPIO114_I2S_MCLK	MFP_CFG(GPIO114, AF1)
+
+/* SSPA2 */
+#define GPIO33_SSPA2_CLK	MFP_CFG(GPIO33, AF1)
+#define GPIO34_SSPA2_FRM	MFP_CFG(GPIO34, AF1)
+#define GPIO35_SSPA2_TXD	MFP_CFG(GPIO35, AF1)
+#define GPIO36_SSPA2_RXD	MFP_CFG(GPIO36, AF1)
+
+/* Keypad */
+#define GPIO00_KP_MKIN0		MFP_CFG(GPIO0, AF1)
+#define GPIO01_KP_MKOUT0	MFP_CFG(GPIO1, AF1)
+#define GPIO02_KP_MKIN1		MFP_CFG(GPIO2, AF1)
+#define GPIO03_KP_MKOUT1	MFP_CFG(GPIO3, AF1)
+#define GPIO04_KP_MKIN2		MFP_CFG(GPIO4, AF1)
+#define GPIO05_KP_MKOUT2	MFP_CFG(GPIO5, AF1)
+#define GPIO06_KP_MKIN3		MFP_CFG(GPIO6, AF1)
+#define GPIO07_KP_MKOUT3	MFP_CFG(GPIO7, AF1)
+#define GPIO08_KP_MKIN4		MFP_CFG(GPIO8, AF1)
+#define GPIO09_KP_MKOUT4	MFP_CFG(GPIO9, AF1)
+#define GPIO10_KP_MKIN5		MFP_CFG(GPIO10, AF1)
+#define GPIO11_KP_MKOUT5	MFP_CFG(GPIO11, AF1)
+#define GPIO12_KP_MKIN6		MFP_CFG(GPIO12, AF1)
+#define GPIO13_KP_MKOUT6	MFP_CFG(GPIO13, AF1)
+#define GPIO14_KP_MKIN7		MFP_CFG(GPIO14, AF1)
+#define GPIO15_KP_MKOUT7	MFP_CFG(GPIO15, AF1)
+#define GPIO16_KP_DKIN0		MFP_CFG(GPIO16, AF1)
+#define GPIO17_KP_DKIN1		MFP_CFG(GPIO17, AF1)
+#define GPIO18_KP_DKIN2		MFP_CFG(GPIO18, AF1)
+#define GPIO19_KP_DKIN3		MFP_CFG(GPIO19, AF1)
+#define GPIO20_KP_DKIN4		MFP_CFG(GPIO20, AF1)
+#define GPIO21_KP_DKIN5		MFP_CFG(GPIO21, AF1)
+#define GPIO22_KP_DKIN6		MFP_CFG(GPIO22, AF1)
+#define GPIO23_KP_DKIN7		MFP_CFG(GPIO23, AF1)
+
+/* CAMERA */
+#define GPIO59_CCIC_IN7		MFP_CFG_DRV(GPIO59, AF1, FAST)
+#define GPIO60_CCIC_IN6		MFP_CFG_DRV(GPIO60, AF1, FAST)
+#define GPIO61_CCIC_IN5		MFP_CFG_DRV(GPIO61, AF1, FAST)
+#define GPIO62_CCIC_IN4		MFP_CFG_DRV(GPIO62, AF1, FAST)
+#define GPIO63_CCIC_IN3		MFP_CFG_DRV(GPIO63, AF1, FAST)
+#define GPIO64_CCIC_IN2		MFP_CFG_DRV(GPIO64, AF1, FAST)
+#define GPIO65_CCIC_IN1		MFP_CFG_DRV(GPIO65, AF1, FAST)
+#define GPIO66_CCIC_IN0		MFP_CFG_DRV(GPIO66, AF1, FAST)
+#define GPIO67_CAM_HSYNC	MFP_CFG_DRV(GPIO67, AF1, FAST)
+#define GPIO68_CAM_VSYNC	MFP_CFG_DRV(GPIO68, AF1, FAST)
+#define GPIO69_CAM_MCLK		MFP_CFG_DRV(GPIO69, AF1, FAST)
+#define GPIO70_CAM_PCLK		MFP_CFG_DRV(GPIO70, AF1, FAST)
+
+/* Wifi */
+#define GPIO45_GPIO45		MFP_CFG(GPIO45, AF0)
+#define GPIO46_GPIO46		MFP_CFG(GPIO46, AF0)
+#define GPIO21_GPIO21		MFP_CFG(GPIO21, AF0)
+#define GPIO22_GPIO22		MFP_CFG(GPIO22, AF0)
+#define GPIO55_GPIO55		MFP_CFG(GPIO55, AF0)
+#define GPIO56_GPIO56		MFP_CFG(GPIO56, AF0)
+#define GPIO57_GPIO57		MFP_CFG(GPIO57, AF0)
+#define GPIO58_GPIO58		MFP_CFG(GPIO58, AF0)
+
+/* Codec*/
+#define GPIO23_GPIO23		MFP_CFG(GPIO23, AF0)
+
+#define GPIO101_GPIO101		MFP_CFG(GPIO101, AF0)
+
+/* PMIC */
+#define PMIC_PMIC_INT		MFP_CFG(PMIC_INT, AF0)
+
+#endif /* __ASM_MACH_MFP_MMP2_H */
+
diff --git a/arch/arm/mach-mmp/include/mach/mfp-pxa168.h b/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
index 3b216bf41e7f..ded43c455ec3 100644
--- a/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
+++ b/arch/arm/mach-mmp/include/mach/mfp-pxa168.h
@@ -193,7 +193,9 @@
 #define GPIO32_CF_nCD1		MFP_CFG(GPIO32, AF3)
 #define GPIO33_CF_nCD2		MFP_CFG(GPIO33, AF3)
 
-/* UART1 */
+/* UART */
+#define GPIO88_UART2_TXD	MFP_CFG(GPIO88, AF2)
+#define GPIO89_UART2_RXD	MFP_CFG(GPIO89, AF2)
 #define GPIO107_UART1_TXD	MFP_CFG_DRV(GPIO107, AF1, FAST)
 #define GPIO107_UART1_RXD	MFP_CFG_DRV(GPIO107, AF2, FAST)
 #define GPIO108_UART1_RXD	MFP_CFG_DRV(GPIO108, AF1, FAST)
diff --git a/arch/arm/mach-mmp/include/mach/mmp2.h b/arch/arm/mach-mmp/include/mach/mmp2.h
new file mode 100644
index 000000000000..459f3be9cfb2
--- /dev/null
+++ b/arch/arm/mach-mmp/include/mach/mmp2.h
@@ -0,0 +1,60 @@
+#ifndef __ASM_MACH_MMP2_H
+#define __ASM_MACH_MMP2_H
+
+#include <linux/i2c.h>
+#include <mach/devices.h>
+#include <plat/i2c.h>
+
+extern struct pxa_device_desc mmp2_device_uart1;
+extern struct pxa_device_desc mmp2_device_uart2;
+extern struct pxa_device_desc mmp2_device_uart3;
+extern struct pxa_device_desc mmp2_device_uart4;
+extern struct pxa_device_desc mmp2_device_twsi1;
+extern struct pxa_device_desc mmp2_device_twsi2;
+extern struct pxa_device_desc mmp2_device_twsi3;
+extern struct pxa_device_desc mmp2_device_twsi4;
+extern struct pxa_device_desc mmp2_device_twsi5;
+extern struct pxa_device_desc mmp2_device_twsi6;
+
+static inline int mmp2_add_uart(int id)
+{
+	struct pxa_device_desc *d = NULL;
+
+	switch (id) {
+	case 1: d = &mmp2_device_uart1; break;
+	case 2: d = &mmp2_device_uart2; break;
+	case 3: d = &mmp2_device_uart3; break;
+	case 4: d = &mmp2_device_uart4; break;
+	default:
+		return -EINVAL;
+	}
+
+	return pxa_register_device(d, NULL, 0);
+}
+
+static inline int mmp2_add_twsi(int id, struct i2c_pxa_platform_data *data,
+				  struct i2c_board_info *info, unsigned size)
+{
+	struct pxa_device_desc *d = NULL;
+	int ret;
+
+	switch (id) {
+	case 0: d = &mmp2_device_twsi1; break;
+	case 1: d = &mmp2_device_twsi2; break;
+	case 2: d = &mmp2_device_twsi3; break;
+	case 3: d = &mmp2_device_twsi4; break;
+	case 4: d = &mmp2_device_twsi5; break;
+	case 5: d = &mmp2_device_twsi6; break;
+	default:
+		return -EINVAL;
+	}
+
+	ret = i2c_register_board_info(id, info, size);
+	if (ret)
+		return ret;
+
+	return pxa_register_device(d, data, sizeof(*data));
+}
+
+#endif /* __ASM_MACH_MMP2_H */
+
diff --git a/arch/arm/mach-mmp/include/mach/regs-apbc.h b/arch/arm/mach-mmp/include/mach/regs-apbc.h
index 98ccbee4bd0c..712af03fd1af 100644
--- a/arch/arm/mach-mmp/include/mach/regs-apbc.h
+++ b/arch/arm/mach-mmp/include/mach/regs-apbc.h
@@ -69,6 +69,47 @@
 #define APBC_PXA910_ASFAR	APBC_REG(0x050)
 #define APBC_PXA910_ASSAR	APBC_REG(0x054)
 
+/*
+ * APB Clock register offsets for MMP2
+ */
+#define APBC_MMP2_RTC		APBC_REG(0x000)
+#define APBC_MMP2_TWSI1		APBC_REG(0x004)
+#define APBC_MMP2_TWSI2		APBC_REG(0x008)
+#define APBC_MMP2_TWSI3		APBC_REG(0x00c)
+#define APBC_MMP2_TWSI4		APBC_REG(0x010)
+#define APBC_MMP2_ONEWIRE	APBC_REG(0x014)
+#define APBC_MMP2_KPC		APBC_REG(0x018)
+#define APBC_MMP2_TB_ROTARY	APBC_REG(0x01c)
+#define APBC_MMP2_SW_JTAG	APBC_REG(0x020)
+#define APBC_MMP2_TIMERS	APBC_REG(0x024)
+#define APBC_MMP2_UART1		APBC_REG(0x02c)
+#define APBC_MMP2_UART2		APBC_REG(0x030)
+#define APBC_MMP2_UART3		APBC_REG(0x034)
+#define APBC_MMP2_GPIO		APBC_REG(0x038)
+#define APBC_MMP2_PWM0		APBC_REG(0x03c)
+#define APBC_MMP2_PWM1		APBC_REG(0x040)
+#define APBC_MMP2_PWM2		APBC_REG(0x044)
+#define APBC_MMP2_PWM3		APBC_REG(0x048)
+#define APBC_MMP2_SSP0		APBC_REG(0x04c)
+#define APBC_MMP2_SSP1		APBC_REG(0x050)
+#define APBC_MMP2_SSP2		APBC_REG(0x054)
+#define APBC_MMP2_SSP3		APBC_REG(0x058)
+#define APBC_MMP2_SSP4		APBC_REG(0x05c)
+#define APBC_MMP2_SSP5		APBC_REG(0x060)
+#define APBC_MMP2_AIB		APBC_REG(0x064)
+#define APBC_MMP2_ASFAR		APBC_REG(0x068)
+#define APBC_MMP2_ASSAR		APBC_REG(0x06c)
+#define APBC_MMP2_USIM		APBC_REG(0x070)
+#define APBC_MMP2_MPMU		APBC_REG(0x074)
+#define APBC_MMP2_IPC		APBC_REG(0x078)
+#define APBC_MMP2_TWSI5		APBC_REG(0x07c)
+#define APBC_MMP2_TWSI6		APBC_REG(0x080)
+#define APBC_MMP2_TWSI_INTSTS	APBC_REG(0x084)
+#define APBC_MMP2_UART4		APBC_REG(0x088)
+#define APBC_MMP2_RIPC		APBC_REG(0x08c)
+#define APBC_MMP2_THSENS1	APBC_REG(0x090)	/* Thermal Sensor */
+#define APBC_MMP2_THSENS_INTSTS	APBC_REG(0x0a4)
+
 /* Common APB clock register bit definitions */
 #define APBC_APBCLK	(1 << 0)  /* APB Bus Clock Enable */
 #define APBC_FNCLK	(1 << 1)  /* Functional Clock Enable */
diff --git a/arch/arm/mach-mmp/include/mach/regs-icu.h b/arch/arm/mach-mmp/include/mach/regs-icu.h
index e5f08723e0cc..f882d91894be 100644
--- a/arch/arm/mach-mmp/include/mach/regs-icu.h
+++ b/arch/arm/mach-mmp/include/mach/regs-icu.h
@@ -17,10 +17,12 @@
 #define ICU_REG(x)	(ICU_VIRT_BASE + (x))
 
 #define ICU_INT_CONF(n)		ICU_REG((n) << 2)
+#define ICU_INT_CONF_MASK	(0xf)
+
+/************ PXA168/PXA910 (MMP) *********************/
 #define ICU_INT_CONF_AP_INT	(1 << 6)
 #define ICU_INT_CONF_CP_INT	(1 << 5)
 #define ICU_INT_CONF_IRQ	(1 << 4)
-#define ICU_INT_CONF_MASK	(0xf)
 
 #define ICU_AP_FIQ_SEL_INT_NUM	ICU_REG(0x108)	/* AP FIQ Selected Interrupt */
 #define ICU_AP_IRQ_SEL_INT_NUM	ICU_REG(0x10C)	/* AP IRQ Selected Interrupt */
@@ -28,4 +30,42 @@
 #define ICU_INT_STATUS_0	ICU_REG(0x128)	/* Interrupt Stuats 0 */
 #define ICU_INT_STATUS_1	ICU_REG(0x12C)	/* Interrupt Status 1 */
 
+/************************** MMP2 ***********************/
+
+/*
+ * IRQ0/FIQ0 is routed to SP IRQ/FIQ.
+ * IRQ1 is routed to PJ4 IRQ, and IRQ2 is routes to PJ4 FIQ.
+ */
+#define ICU_INT_ROUTE_SP_IRQ		(1 << 4)
+#define ICU_INT_ROUTE_PJ4_IRQ		(1 << 5)
+#define ICU_INT_ROUTE_PJ4_FIQ		(1 << 6)
+
+#define MMP2_ICU_PJ4_IRQ_STATUS0	ICU_REG(0x138)
+#define MMP2_ICU_PJ4_IRQ_STATUS1	ICU_REG(0x13c)
+#define MMP2_ICU_PJ4_FIQ_STATUS0	ICU_REG(0x140)
+#define MMP2_ICU_PJ4_FIQ_STATUS1	ICU_REG(0x144)
+
+#define MMP2_ICU_INT4_STATUS		ICU_REG(0x150)
+#define MMP2_ICU_INT5_STATUS		ICU_REG(0x154)
+#define MMP2_ICU_INT17_STATUS		ICU_REG(0x158)
+#define MMP2_ICU_INT35_STATUS		ICU_REG(0x15c)
+#define MMP2_ICU_INT51_STATUS		ICU_REG(0x160)
+
+#define MMP2_ICU_INT4_MASK		ICU_REG(0x168)
+#define MMP2_ICU_INT5_MASK		ICU_REG(0x16C)
+#define MMP2_ICU_INT17_MASK		ICU_REG(0x170)
+#define MMP2_ICU_INT35_MASK		ICU_REG(0x174)
+#define MMP2_ICU_INT51_MASK		ICU_REG(0x178)
+
+#define MMP2_ICU_SP_IRQ_SEL		ICU_REG(0x100)
+#define MMP2_ICU_PJ4_IRQ_SEL		ICU_REG(0x104)
+#define MMP2_ICU_PJ4_FIQ_SEL		ICU_REG(0x108)
+
+#define MMP2_ICU_INVERT			ICU_REG(0x164)
+
+#define MMP2_ICU_INV_PMIC		(1 << 0)
+#define MMP2_ICU_INV_PERF		(1 << 1)
+#define MMP2_ICU_INV_COMMTX		(1 << 2)
+#define MMP2_ICU_INV_COMMRX		(1 << 3)
+
 #endif /* __ASM_MACH_ICU_H */
diff --git a/arch/arm/mach-mmp/include/mach/uncompress.h b/arch/arm/mach-mmp/include/mach/uncompress.h
index c93d5fa5865c..85bd8a2d84b5 100644
--- a/arch/arm/mach-mmp/include/mach/uncompress.h
+++ b/arch/arm/mach-mmp/include/mach/uncompress.h
@@ -8,15 +8,16 @@
 
 #include <linux/serial_reg.h>
 #include <mach/addr-map.h>
+#include <asm/mach-types.h>
 
 #define UART1_BASE	(APB_PHYS_BASE + 0x36000)
 #define UART2_BASE	(APB_PHYS_BASE + 0x17000)
 #define UART3_BASE	(APB_PHYS_BASE + 0x18000)
 
+static volatile unsigned long *UART;
+
 static inline void putc(char c)
 {
-	volatile unsigned long *UART = (unsigned long *)UART2_BASE;
-
 	/* UART enabled? */
 	if (!(UART[UART_IER] & UART_IER_UUE))
 		return;
@@ -34,8 +35,17 @@ static inline void flush(void)
 {
 }
 
+static inline void arch_decomp_setup(void)
+{
+	/* default to UART2 */
+	UART = (unsigned long *)UART2_BASE;
+
+	if (machine_is_avengers_lite())
+		UART = (unsigned long *)UART3_BASE;
+}
+
 /*
  * nothing to do
  */
-#define arch_decomp_setup()
+
 #define arch_decomp_wdog()
diff --git a/arch/arm/mach-mmp/irq-mmp2.c b/arch/arm/mach-mmp/irq-mmp2.c
new file mode 100644
index 000000000000..cb18221c0af3
--- /dev/null
+++ b/arch/arm/mach-mmp/irq-mmp2.c
@@ -0,0 +1,154 @@
+/*
+ *  linux/arch/arm/mach-mmp/irq-mmp2.c
+ *
+ *  Generic IRQ handling, GPIO IRQ demultiplexing, etc.
+ *
+ *  Author:	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *  Copyright:	Marvell International Ltd.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <mach/regs-icu.h>
+
+#include "common.h"
+
+static void icu_mask_irq(unsigned int irq)
+{
+	uint32_t r = __raw_readl(ICU_INT_CONF(irq));
+
+	r &= ~ICU_INT_ROUTE_PJ4_IRQ;
+	__raw_writel(r, ICU_INT_CONF(irq));
+}
+
+static void icu_unmask_irq(unsigned int irq)
+{
+	uint32_t r = __raw_readl(ICU_INT_CONF(irq));
+
+	r |= ICU_INT_ROUTE_PJ4_IRQ;
+	__raw_writel(r, ICU_INT_CONF(irq));
+}
+
+static struct irq_chip icu_irq_chip = {
+	.name		= "icu_irq",
+	.mask		= icu_mask_irq,
+	.mask_ack	= icu_mask_irq,
+	.unmask		= icu_unmask_irq,
+};
+
+static void pmic_irq_ack(unsigned int irq)
+{
+	if (irq == IRQ_MMP2_PMIC)
+		mmp2_clear_pmic_int();
+}
+
+#define SECOND_IRQ_MASK(_name_, irq_base, prefix)			\
+static void _name_##_mask_irq(unsigned int irq)				\
+{									\
+	uint32_t r;							\
+	r = __raw_readl(prefix##_MASK) | (1 << (irq - irq_base));	\
+	__raw_writel(r, prefix##_MASK);					\
+}
+
+#define SECOND_IRQ_UNMASK(_name_, irq_base, prefix)			\
+static void _name_##_unmask_irq(unsigned int irq)			\
+{									\
+	uint32_t r;							\
+	r = __raw_readl(prefix##_MASK) & ~(1 << (irq - irq_base));	\
+	__raw_writel(r, prefix##_MASK);					\
+}
+
+#define SECOND_IRQ_DEMUX(_name_, irq_base, prefix)			\
+static void _name_##_irq_demux(unsigned int irq, struct irq_desc *desc)	\
+{									\
+	unsigned long status, mask, n;					\
+	mask = __raw_readl(prefix##_MASK);				\
+	while (1) {							\
+		status = __raw_readl(prefix##_STATUS) & ~mask;		\
+		if (status == 0)					\
+			break;						\
+		n = find_first_bit(&status, BITS_PER_LONG);		\
+		while (n < BITS_PER_LONG) {				\
+			generic_handle_irq(irq_base + n);		\
+			n = find_next_bit(&status, BITS_PER_LONG, n+1);	\
+		}							\
+	}								\
+}
+
+#define SECOND_IRQ_CHIP(_name_, irq_base, prefix)			\
+SECOND_IRQ_MASK(_name_, irq_base, prefix)				\
+SECOND_IRQ_UNMASK(_name_, irq_base, prefix)				\
+SECOND_IRQ_DEMUX(_name_, irq_base, prefix)				\
+static struct irq_chip _name_##_irq_chip = {				\
+	.name		= #_name_,					\
+	.mask		= _name_##_mask_irq,				\
+	.unmask		= _name_##_unmask_irq,				\
+}
+
+SECOND_IRQ_CHIP(pmic, IRQ_MMP2_PMIC_BASE, MMP2_ICU_INT4);
+SECOND_IRQ_CHIP(rtc,  IRQ_MMP2_RTC_BASE,  MMP2_ICU_INT5);
+SECOND_IRQ_CHIP(twsi, IRQ_MMP2_TWSI_BASE, MMP2_ICU_INT17);
+SECOND_IRQ_CHIP(misc, IRQ_MMP2_MISC_BASE, MMP2_ICU_INT35);
+SECOND_IRQ_CHIP(ssp,  IRQ_MMP2_SSP_BASE,  MMP2_ICU_INT51);
+
+static void init_mux_irq(struct irq_chip *chip, int start, int num)
+{
+	int irq;
+
+	for (irq = start; num > 0; irq++, num--) {
+		/* mask and clear the IRQ */
+		chip->mask(irq);
+		if (chip->ack)
+			chip->ack(irq);
+
+		set_irq_chip(irq, chip);
+		set_irq_flags(irq, IRQF_VALID);
+		set_irq_handler(irq, handle_level_irq);
+	}
+}
+
+void __init mmp2_init_icu(void)
+{
+	int irq;
+
+	for (irq = 0; irq < IRQ_MMP2_MUX_BASE; irq++) {
+		icu_mask_irq(irq);
+		set_irq_chip(irq, &icu_irq_chip);
+		set_irq_flags(irq, IRQF_VALID);
+
+		switch (irq) {
+		case IRQ_MMP2_PMIC_MUX:
+		case IRQ_MMP2_RTC_MUX:
+		case IRQ_MMP2_TWSI_MUX:
+		case IRQ_MMP2_MISC_MUX:
+		case IRQ_MMP2_SSP_MUX:
+			break;
+		default:
+			set_irq_handler(irq, handle_level_irq);
+			break;
+		}
+	}
+
+	/* NOTE: IRQ_MMP2_PMIC requires the PMIC MFPR register
+	 * to be written to clear the interrupt
+	 */
+	pmic_irq_chip.ack = pmic_irq_ack;
+
+	init_mux_irq(&pmic_irq_chip, IRQ_MMP2_PMIC_BASE, 2);
+	init_mux_irq(&rtc_irq_chip, IRQ_MMP2_RTC_BASE, 2);
+	init_mux_irq(&twsi_irq_chip, IRQ_MMP2_TWSI_BASE, 5);
+	init_mux_irq(&misc_irq_chip, IRQ_MMP2_MISC_BASE, 15);
+	init_mux_irq(&ssp_irq_chip, IRQ_MMP2_SSP_BASE, 2);
+
+	set_irq_chained_handler(IRQ_MMP2_PMIC_MUX, pmic_irq_demux);
+	set_irq_chained_handler(IRQ_MMP2_RTC_MUX, rtc_irq_demux);
+	set_irq_chained_handler(IRQ_MMP2_TWSI_MUX, twsi_irq_demux);
+	set_irq_chained_handler(IRQ_MMP2_MISC_MUX, misc_irq_demux);
+	set_irq_chained_handler(IRQ_MMP2_SSP_MUX, ssp_irq_demux);
+}
diff --git a/arch/arm/mach-mmp/irq.c b/arch/arm/mach-mmp/irq-pxa168.c
index 52ff2f065eba..52ff2f065eba 100644
--- a/arch/arm/mach-mmp/irq.c
+++ b/arch/arm/mach-mmp/irq-pxa168.c
diff --git a/arch/arm/mach-mmp/jasper.c b/arch/arm/mach-mmp/jasper.c
new file mode 100644
index 000000000000..cfd4d66ef800
--- /dev/null
+++ b/arch/arm/mach-mmp/jasper.c
@@ -0,0 +1,80 @@
+/*
+ *  linux/arch/arm/mach-mmp/jasper.c
+ *
+ *  Support for the Marvell Jasper Development Platform.
+ *
+ *  Copyright (C) 2009-2010 Marvell International Ltd.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  publishhed by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <mach/addr-map.h>
+#include <mach/mfp-mmp2.h>
+#include <mach/mmp2.h>
+
+#include "common.h"
+
+static unsigned long jasper_pin_config[] __initdata = {
+	/* UART1 */
+	GPIO29_UART1_RXD,
+	GPIO30_UART1_TXD,
+
+	/* UART3 */
+	GPIO51_UART3_RXD,
+	GPIO52_UART3_TXD,
+
+	/* DFI */
+	GPIO168_DFI_D0,
+	GPIO167_DFI_D1,
+	GPIO166_DFI_D2,
+	GPIO165_DFI_D3,
+	GPIO107_DFI_D4,
+	GPIO106_DFI_D5,
+	GPIO105_DFI_D6,
+	GPIO104_DFI_D7,
+	GPIO111_DFI_D8,
+	GPIO164_DFI_D9,
+	GPIO163_DFI_D10,
+	GPIO162_DFI_D11,
+	GPIO161_DFI_D12,
+	GPIO110_DFI_D13,
+	GPIO109_DFI_D14,
+	GPIO108_DFI_D15,
+	GPIO143_ND_nCS0,
+	GPIO144_ND_nCS1,
+	GPIO147_ND_nWE,
+	GPIO148_ND_nRE,
+	GPIO150_ND_ALE,
+	GPIO149_ND_CLE,
+	GPIO112_ND_RDY0,
+	GPIO160_ND_RDY1,
+};
+
+static void __init jasper_init(void)
+{
+	mfp_config(ARRAY_AND_SIZE(jasper_pin_config));
+
+	/* on-chip devices */
+	mmp2_add_uart(1);
+	mmp2_add_uart(3);
+}
+
+MACHINE_START(MARVELL_JASPER, "Jasper Development Platform")
+	.phys_io        = APB_PHYS_BASE,
+	.boot_params    = 0x00000100,
+	.io_pg_offst    = (APB_VIRT_BASE >> 18) & 0xfffc,
+	.map_io		= pxa_map_io,
+	.init_irq       = mmp2_init_irq,
+	.timer          = &mmp2_timer,
+	.init_machine   = jasper_init,
+MACHINE_END
diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c
new file mode 100644
index 000000000000..72eb9daeea99
--- /dev/null
+++ b/arch/arm/mach-mmp/mmp2.c
@@ -0,0 +1,123 @@
+/*
+ * linux/arch/arm/mach-mmp/mmp2.c
+ *
+ * code name MMP2
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+
+#include <mach/addr-map.h>
+#include <mach/regs-apbc.h>
+#include <mach/regs-apmu.h>
+#include <mach/cputype.h>
+#include <mach/irqs.h>
+#include <mach/mfp.h>
+#include <mach/gpio.h>
+#include <mach/devices.h>
+
+#include "common.h"
+#include "clock.h"
+
+#define MFPR_VIRT_BASE	(APB_VIRT_BASE + 0x1e000)
+
+#define APMASK(i)	(GPIO_REGS_VIRT + BANK_OFF(i) + 0x9c)
+
+static struct mfp_addr_map mmp2_addr_map[] __initdata = {
+	MFP_ADDR(PMIC_INT, 0x2c4),
+
+	MFP_ADDR_END,
+};
+
+void mmp2_clear_pmic_int(void)
+{
+	unsigned long mfpr_pmic, data;
+
+	mfpr_pmic = APB_VIRT_BASE + 0x1e000 + 0x2c4;
+	data = __raw_readl(mfpr_pmic);
+	__raw_writel(data | (1 << 6), mfpr_pmic);
+	__raw_writel(data, mfpr_pmic);
+}
+
+static void __init mmp2_init_gpio(void)
+{
+	int i;
+
+	/* enable GPIO clock */
+	__raw_writel(APBC_APBCLK | APBC_FNCLK, APBC_MMP2_GPIO);
+
+	/* unmask GPIO edge detection for all 6 banks -- APMASKx */
+	for (i = 0; i < 6; i++)
+		__raw_writel(0xffffffff, APMASK(i));
+
+	pxa_init_gpio(IRQ_MMP2_GPIO, 0, 167, NULL);
+}
+
+void __init mmp2_init_irq(void)
+{
+	mmp2_init_icu();
+	mmp2_init_gpio();
+}
+
+/* APB peripheral clocks */
+static APBC_CLK(uart1, MMP2_UART1, 1, 26000000);
+static APBC_CLK(uart2, MMP2_UART2, 1, 26000000);
+static APBC_CLK(uart3, MMP2_UART3, 1, 26000000);
+static APBC_CLK(uart4, MMP2_UART4, 1, 26000000);
+static APBC_CLK(twsi1, MMP2_TWSI1, 0, 26000000);
+static APBC_CLK(twsi2, MMP2_TWSI2, 0, 26000000);
+static APBC_CLK(twsi3, MMP2_TWSI3, 0, 26000000);
+static APBC_CLK(twsi4, MMP2_TWSI4, 0, 26000000);
+static APBC_CLK(twsi5, MMP2_TWSI5, 0, 26000000);
+static APBC_CLK(twsi6, MMP2_TWSI6, 0, 26000000);
+static APBC_CLK(rtc, MMP2_RTC, 0, 32768);
+
+static APMU_CLK(nand, NAND, 0xbf, 100000000);
+
+static struct clk_lookup mmp2_clkregs[] = {
+	INIT_CLKREG(&clk_uart1, "pxa2xx-uart.0", NULL),
+	INIT_CLKREG(&clk_uart2, "pxa2xx-uart.1", NULL),
+	INIT_CLKREG(&clk_uart3, "pxa2xx-uart.2", NULL),
+	INIT_CLKREG(&clk_uart4, "pxa2xx-uart.3", NULL),
+	INIT_CLKREG(&clk_twsi1, "pxa2xx-i2c.0", NULL),
+	INIT_CLKREG(&clk_twsi2, "pxa2xx-i2c.1", NULL),
+	INIT_CLKREG(&clk_twsi3, "pxa2xx-i2c.2", NULL),
+	INIT_CLKREG(&clk_twsi4, "pxa2xx-i2c.3", NULL),
+	INIT_CLKREG(&clk_twsi5, "pxa2xx-i2c.4", NULL),
+	INIT_CLKREG(&clk_twsi6, "pxa2xx-i2c.5", NULL),
+	INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
+};
+
+static int __init mmp2_init(void)
+{
+	if (cpu_is_mmp2()) {
+		mfp_init_base(MFPR_VIRT_BASE);
+		mfp_init_addr(mmp2_addr_map);
+		clks_register(ARRAY_AND_SIZE(mmp2_clkregs));
+	}
+
+	return 0;
+}
+postcore_initcall(mmp2_init);
+
+/* on-chip devices */
+MMP2_DEVICE(uart1, "pxa2xx-uart", 0, UART1, 0xd4030000, 0x30, 4, 5);
+MMP2_DEVICE(uart2, "pxa2xx-uart", 1, UART2, 0xd4017000, 0x30, 20, 21);
+MMP2_DEVICE(uart3, "pxa2xx-uart", 2, UART3, 0xd4018000, 0x30, 22, 23);
+MMP2_DEVICE(uart4, "pxa2xx-uart", 3, UART4, 0xd4016000, 0x30, 18, 19);
+MMP2_DEVICE(twsi1, "pxa2xx-i2c", 0, TWSI1, 0xd4011000, 0x70);
+MMP2_DEVICE(twsi2, "pxa2xx-i2c", 1, TWSI2, 0xd4031000, 0x70);
+MMP2_DEVICE(twsi3, "pxa2xx-i2c", 2, TWSI3, 0xd4032000, 0x70);
+MMP2_DEVICE(twsi4, "pxa2xx-i2c", 3, TWSI4, 0xd4033000, 0x70);
+MMP2_DEVICE(twsi5, "pxa2xx-i2c", 4, TWSI5, 0xd4033800, 0x70);
+MMP2_DEVICE(twsi6, "pxa2xx-i2c", 5, TWSI6, 0xd4034000, 0x70);
+MMP2_DEVICE(nand, "pxa3xx-nand", -1, NAND, 0xd4283000, 0x100, 28, 29);
+
diff --git a/arch/arm/mach-mmp/time.c b/arch/arm/mach-mmp/time.c
index a8400bb891e7..cf75694e9687 100644
--- a/arch/arm/mach-mmp/time.c
+++ b/arch/arm/mach-mmp/time.c
@@ -30,7 +30,10 @@
 
 #include <mach/addr-map.h>
 #include <mach/regs-timers.h>
+#include <mach/regs-apbc.h>
 #include <mach/irqs.h>
+#include <mach/cputype.h>
+#include <asm/mach/time.h>
 
 #include "clock.h"
 
@@ -158,7 +161,7 @@ static void __init timer_config(void)
 
 	__raw_writel(cer & ~0x1, TIMERS_VIRT_BASE + TMR_CER); /* disable */
 
-	ccr &= TMR_CCR_CS_0(0x3);
+	ccr &= (cpu_is_mmp2()) ? TMR_CCR_CS_0(0) : TMR_CCR_CS_0(3);
 	__raw_writel(ccr, TIMERS_VIRT_BASE + TMR_CCR);
 
 	/* free-running mode */
@@ -197,3 +200,24 @@ void __init timer_init(int irq)
 	clocksource_register(&cksrc);
 	clockevents_register_device(&ckevt);
 }
+
+static void __init mmp2_timer_init(void)
+{
+	unsigned long clk_rst;
+
+	__raw_writel(APBC_APBCLK | APBC_RST, APBC_MMP2_TIMERS);
+
+	/*
+	 * enable bus/functional clock, enable 6.5MHz (divider 4),
+	 * release reset
+	 */
+	clk_rst = APBC_APBCLK | APBC_FNCLK | APBC_FNCLKSEL(1);
+	__raw_writel(clk_rst, APBC_MMP2_TIMERS);
+
+	timer_init(IRQ_MMP2_TIMER1);
+}
+
+struct sys_timer mmp2_timer = {
+	.init	= mmp2_timer_init,
+};
+
diff --git a/arch/arm/mach-mv78xx0/Kconfig b/arch/arm/mach-mv78xx0/Kconfig
index 6fbe68fe4412..f2d309d0619e 100644
--- a/arch/arm/mach-mv78xx0/Kconfig
+++ b/arch/arm/mach-mv78xx0/Kconfig
@@ -14,6 +14,12 @@ config MACH_RD78X00_MASA
 	  Say 'Y' here if you want your kernel to support the
 	  Marvell RD-78x00-mASA Reference Design.
 
+config MACH_TERASTATION_WXL
+	bool "Buffalo WLX (Terastation Duo) NAS"
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Buffalo WXL Nas.
+
 endmenu
 
 endif
diff --git a/arch/arm/mach-mv78xx0/Makefile b/arch/arm/mach-mv78xx0/Makefile
index da628b7f3bb6..67a13f9bfe64 100644
--- a/arch/arm/mach-mv78xx0/Makefile
+++ b/arch/arm/mach-mv78xx0/Makefile
@@ -1,3 +1,4 @@
-obj-y				+= common.o addr-map.o irq.o pcie.o
+obj-y				+= common.o addr-map.o mpp.o irq.o pcie.o
 obj-$(CONFIG_MACH_DB78X00_BP)	+= db78x00-bp-setup.o
 obj-$(CONFIG_MACH_RD78X00_MASA)	+= rd78x00-masa-setup.o
+obj-$(CONFIG_MACH_TERASTATION_WXL) += buffalo-wxl-setup.o
diff --git a/arch/arm/mach-mv78xx0/buffalo-wxl-setup.c b/arch/arm/mach-mv78xx0/buffalo-wxl-setup.c
new file mode 100644
index 000000000000..61e5e583603b
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/buffalo-wxl-setup.c
@@ -0,0 +1,155 @@
+/*
+ * arch/arm/mach-mv78xx0/buffalo-wxl-setup.c
+ *
+ * Buffalo WXL (Terastation Duo) Setup routines
+ *
+ * sebastien requiem <sebastien@requiem.fr>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/ata_platform.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/ethtool.h>
+#include <linux/i2c.h>
+#include <mach/mv78xx0.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include "common.h"
+#include "mpp.h"
+
+
+/* This arch has 2 Giga Ethernet */
+
+static struct mv643xx_eth_platform_data db78x00_ge00_data = {
+	.phy_addr	= MV643XX_ETH_PHY_ADDR(0),
+};
+
+static struct mv643xx_eth_platform_data db78x00_ge01_data = {
+	.phy_addr	= MV643XX_ETH_PHY_ADDR(8),
+};
+
+
+/* 2 SATA controller supporting HotPlug */
+
+static struct mv_sata_platform_data db78x00_sata_data = {
+	.n_ports	= 2,
+};
+
+static struct i2c_board_info __initdata db78x00_i2c_rtc = {
+	I2C_BOARD_INFO("ds1338", 0x68),
+};
+
+
+static unsigned int wxl_mpp_config[] __initdata = {
+	MPP0_GE1_TXCLK,
+	MPP1_GE1_TXCTL,
+	MPP2_GE1_RXCTL,
+	MPP3_GE1_RXCLK,
+	MPP4_GE1_TXD0,
+	MPP5_GE1_TXD1,
+	MPP6_GE1_TXD2,
+	MPP7_GE1_TXD3,
+	MPP8_GE1_RXD0,
+	MPP9_GE1_RXD1,
+	MPP10_GE1_RXD2,
+	MPP11_GE1_RXD3,
+	MPP12_GPIO,
+	MPP13_SYSRST_OUTn,
+	MPP14_SATA1_ACTn,
+	MPP15_SATA0_ACTn,
+	MPP16_GPIO,
+	MPP17_GPIO,
+	MPP18_GPIO,
+	MPP19_GPIO,
+	MPP20_GPIO,
+	MPP21_GPIO,
+	MPP22_GPIO,
+	MPP23_GPIO,
+	MPP24_UA2_TXD,
+	MPP25_UA2_RXD,
+	MPP26_UA2_CTSn,
+	MPP27_UA2_RTSn,
+	MPP28_GPIO,
+	MPP29_SYSRST_OUTn,
+	MPP30_GPIO,
+	MPP31_GPIO,
+	MPP32_GPIO,
+	MPP33_GPIO,
+	MPP34_GPIO,
+	MPP35_GPIO,
+	MPP36_GPIO,
+	MPP37_GPIO,
+	MPP38_GPIO,
+	MPP39_GPIO,
+	MPP40_UNUSED,
+	MPP41_UNUSED,
+	MPP42_UNUSED,
+	MPP43_UNUSED,
+	MPP44_UNUSED,
+	MPP45_UNUSED,
+	MPP46_UNUSED,
+	MPP47_UNUSED,
+	MPP48_SATA1_ACTn,
+	MPP49_SATA0_ACTn,
+	0
+};
+
+
+static void __init wxl_init(void)
+{
+	/*
+	 * Basic MV78xx0 setup. Needs to be called early.
+	 */
+	mv78xx0_init();
+	mv78xx0_mpp_conf(wxl_mpp_config);
+
+	/*
+	 * Partition on-chip peripherals between the two CPU cores.
+	 */
+	mv78xx0_ehci0_init();
+	mv78xx0_ehci1_init();
+	mv78xx0_ehci2_init();
+	mv78xx0_ge00_init(&db78x00_ge00_data);
+	mv78xx0_ge01_init(&db78x00_ge01_data);
+	mv78xx0_sata_init(&db78x00_sata_data);
+	mv78xx0_uart0_init();
+	mv78xx0_uart1_init();
+	mv78xx0_uart2_init();
+	mv78xx0_uart3_init();
+	mv78xx0_i2c_init();
+	i2c_register_board_info(0, &db78x00_i2c_rtc, 1);
+}
+
+static int __init wxl_pci_init(void)
+{
+	if (machine_is_terastation_wxl()) {
+		/*
+		 * Assign the x16 PCIe slot on the board to CPU core
+		 * #0, and let CPU core #1 have the four x1 slots.
+		 */
+		if (mv78xx0_core_index() == 0)
+			mv78xx0_pcie_init(0, 1);
+		else
+			mv78xx0_pcie_init(1, 0);
+	}
+
+	return 0;
+}
+subsys_initcall(wxl_pci_init);
+
+MACHINE_START(TERASTATION_WXL, "Buffalo Nas WXL")
+	/* Maintainer: Sebastien Requiem <sebastien@requiem.fr> */
+	.phys_io	= MV78XX0_REGS_PHYS_BASE,
+	.io_pg_offst	= ((MV78XX0_REGS_VIRT_BASE) >> 18) & 0xfffc,
+	.boot_params	= 0x00000100,
+	.init_machine	= wxl_init,
+	.map_io		= mv78xx0_map_io,
+	.init_irq	= mv78xx0_init_irq,
+	.timer		= &mv78xx0_timer,
+MACHINE_END
diff --git a/arch/arm/mach-mv78xx0/mpp.c b/arch/arm/mach-mv78xx0/mpp.c
new file mode 100644
index 000000000000..354ac514eb89
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/mpp.c
@@ -0,0 +1,96 @@
+/*
+ * arch/arm/mach-mv78x00/mpp.c
+ *
+ * MPP functions for Marvell MV78x00 SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mbus.h>
+#include <linux/io.h>
+#include <asm/gpio.h>
+#include <mach/hardware.h>
+#include "common.h"
+#include "mpp.h"
+
+static unsigned int __init mv78xx0_variant(void)
+{
+	u32 dev, rev;
+
+	mv78xx0_pcie_id(&dev, &rev);
+
+	if (dev == MV78100_DEV_ID && rev >= MV78100_REV_A0)
+		return MPP_78100_A0_MASK;
+
+	printk(KERN_ERR "MPP setup: unknown mv78x00 variant "
+			"(dev %#x rev %#x)\n", dev, rev);
+	return 0;
+}
+
+#define MPP_CTRL(i)	(DEV_BUS_VIRT_BASE + (i) * 4)
+#define MPP_NR_REGS	(1 + MPP_MAX/8)
+
+void __init mv78xx0_mpp_conf(unsigned int *mpp_list)
+{
+	u32 mpp_ctrl[MPP_NR_REGS];
+	unsigned int variant_mask;
+	int i;
+
+	variant_mask = mv78xx0_variant();
+	if (!variant_mask)
+		return;
+
+	/* Initialize gpiolib. */
+	orion_gpio_init();
+
+	printk(KERN_DEBUG "initial MPP regs:");
+	for (i = 0; i < MPP_NR_REGS; i++) {
+		mpp_ctrl[i] = readl(MPP_CTRL(i));
+		printk(" %08x", mpp_ctrl[i]);
+	}
+	printk("\n");
+
+	while (*mpp_list) {
+		unsigned int num = MPP_NUM(*mpp_list);
+		unsigned int sel = MPP_SEL(*mpp_list);
+		int shift, gpio_mode;
+
+		if (num > MPP_MAX) {
+			printk(KERN_ERR "mv78xx0_mpp_conf: invalid MPP "
+					"number (%u)\n", num);
+			continue;
+		}
+		if (!(*mpp_list & variant_mask)) {
+			printk(KERN_WARNING
+					"mv78xx0_mpp_conf: requested MPP%u config "
+					"unavailable on this hardware\n", num);
+			continue;
+		}
+
+		shift = (num & 7) << 2;
+		mpp_ctrl[num / 8] &= ~(0xf << shift);
+		mpp_ctrl[num / 8] |= sel << shift;
+
+		gpio_mode = 0;
+		if (*mpp_list & MPP_INPUT_MASK)
+			gpio_mode |= GPIO_INPUT_OK;
+		if (*mpp_list & MPP_OUTPUT_MASK)
+			gpio_mode |= GPIO_OUTPUT_OK;
+		if (sel != 0)
+			gpio_mode = 0;
+		orion_gpio_set_valid(num, gpio_mode);
+
+		mpp_list++;
+	}
+
+	printk(KERN_DEBUG "  final MPP regs:");
+	for (i = 0; i < MPP_NR_REGS; i++) {
+		writel(mpp_ctrl[i], MPP_CTRL(i));
+		printk(" %08x", mpp_ctrl[i]);
+	}
+	printk("\n");
+}
diff --git a/arch/arm/mach-mv78xx0/mpp.h b/arch/arm/mach-mv78xx0/mpp.h
new file mode 100644
index 000000000000..80840b781eaa
--- /dev/null
+++ b/arch/arm/mach-mv78xx0/mpp.h
@@ -0,0 +1,347 @@
+/*
+ * linux/arch/arm/mach-mv78xx0/mpp.h -- Multi Purpose Pins
+ *
+ *
+ * sebastien requiem <sebastien@requiem.fr>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __MV78X00_MPP_H
+#define __MV78X00_MPP_H
+
+#define MPP(_num, _sel, _in, _out, _78100_A0) (\
+    /* MPP number */        ((_num) & 0xff) | \
+    /* MPP select value */        (((_sel) & 0xf) << 8) | \
+    /* may be input signal */    ((!!(_in)) << 12) | \
+    /* may be output signal */    ((!!(_out)) << 13) | \
+    /* available on A0 */    ((!!(_78100_A0)) << 14))
+
+#define MPP_NUM(x)    ((x) & 0xff)
+#define MPP_SEL(x)    (((x) >> 8) & 0xf)
+
+                /*   num sel  i  o  78100_A0  */
+
+#define MPP_INPUT_MASK        MPP(0, 0x0, 1, 0, 0)
+#define MPP_OUTPUT_MASK        MPP(0, 0x0, 0, 1, 0)
+
+#define MPP_78100_A0_MASK    MPP(0, 0x0, 0, 0, 1)
+
+#define MPP0_GPIO        MPP(0, 0x0, 1, 1, 1)
+#define MPP0_GE0_COL        MPP(0, 0x1, 1, 0, 1)
+#define MPP0_GE1_TXCLK        MPP(0, 0x2, 0, 1, 1)
+#define MPP0_UNUSED        MPP(0, 0x3, 0, 0, 1)
+
+#define MPP1_GPIO        MPP(1, 0x0, 1, 1, 1)
+#define MPP1_GE0_RXERR        MPP(1, 0x1, 1, 0, 1)
+#define MPP1_GE1_TXCTL        MPP(1, 0x2, 0, 1, 1)
+#define MPP1_UNUSED        MPP(1, 0x3, 0, 0, 1)
+
+#define MPP2_GPIO        MPP(2, 0x0, 1, 1, 1)
+#define MPP2_GE0_CRS        MPP(2, 0x1, 1, 0, 1)
+#define MPP2_GE1_RXCTL        MPP(2, 0x2, 1, 0, 1)
+#define MPP2_UNUSED        MPP(2, 0x3, 0, 0, 1)
+
+#define MPP3_GPIO        MPP(3, 0x0, 1, 1, 1)
+#define MPP3_GE0_TXERR        MPP(3, 0x1, 0, 1, 1)
+#define MPP3_GE1_RXCLK        MPP(3, 0x2, 1, 0, 1)
+#define MPP3_UNUSED        MPP(3, 0x3, 0, 0, 1)
+
+#define MPP4_GPIO        MPP(4, 0x0, 1, 1, 1)
+#define MPP4_GE0_TXD4        MPP(4, 0x1, 0, 1, 1)
+#define MPP4_GE1_TXD0        MPP(4, 0x2, 0, 1, 1)
+#define MPP4_UNUSED        MPP(4, 0x3, 0, 0, 1)
+
+#define MPP5_GPIO        MPP(5, 0x0, 1, 1, 1)
+#define MPP5_GE0_TXD5        MPP(5, 0x1, 0, 1, 1)
+#define MPP5_GE1_TXD1        MPP(5, 0x2, 0, 1, 1)
+#define MPP5_UNUSED        MPP(5, 0x3, 0, 0, 1)
+
+#define MPP6_GPIO        MPP(6, 0x0, 1, 1, 1)
+#define MPP6_GE0_TXD6        MPP(6, 0x1, 0, 1, 1)
+#define MPP6_GE1_TXD2        MPP(6, 0x2, 0, 1, 1)
+#define MPP6_UNUSED        MPP(6, 0x3, 0, 0, 1)
+
+#define MPP7_GPIO        MPP(7, 0x0, 1, 1, 1)
+#define MPP7_GE0_TXD7        MPP(7, 0x1, 0, 1, 1)
+#define MPP7_GE1_TXD3        MPP(7, 0x2, 0, 1, 1)
+#define MPP7_UNUSED        MPP(7, 0x3, 0, 0, 1)
+
+#define MPP8_GPIO        MPP(8, 0x0, 1, 1, 1)
+#define MPP8_GE0_RXD4        MPP(8, 0x1, 1, 0, 1)
+#define MPP8_GE1_RXD0        MPP(8, 0x2, 1, 0, 1)
+#define MPP8_UNUSED        MPP(8, 0x3, 0, 0, 1)
+
+#define MPP9_GPIO        MPP(9, 0x0, 1, 1, 1)
+#define MPP9_GE0_RXD5        MPP(9, 0x1, 1, 0, 1)
+#define MPP9_GE1_RXD1        MPP(9, 0x2, 1, 0, 1)
+#define MPP9_UNUSED        MPP(9, 0x3, 0, 0, 1)
+
+#define MPP10_GPIO        MPP(10, 0x0, 1, 1, 1)
+#define MPP10_GE0_RXD6        MPP(10, 0x1, 1, 0, 1)
+#define MPP10_GE1_RXD2        MPP(10, 0x2, 1, 0, 1)
+#define MPP10_UNUSED        MPP(10, 0x3, 0, 0, 1)
+
+#define MPP11_GPIO        MPP(11, 0x0, 1, 1, 1)
+#define MPP11_GE0_RXD7        MPP(11, 0x1, 1, 0, 1)
+#define MPP11_GE1_RXD3        MPP(11, 0x2, 1, 0, 1)
+#define MPP11_UNUSED        MPP(11, 0x3, 0, 0, 1)
+
+#define MPP12_GPIO        MPP(12, 0x0, 1, 1, 1)
+#define MPP12_M_BB        MPP(12, 0x3, 1, 0, 1)
+#define MPP12_UA0_CTSn        MPP(12, 0x4, 1, 0, 1)
+#define MPP12_NAND_FLASH_REn0    MPP(12, 0x5, 0, 1, 1)
+#define MPP12_TDM0_SCSn        MPP(12, 0X6, 0, 1, 1)
+#define MPP12_UNUSED        MPP(12, 0x1, 0, 0, 1)
+
+#define MPP13_GPIO        MPP(13, 0x0, 1, 1, 1)
+#define MPP13_SYSRST_OUTn    MPP(13, 0x3, 0, 1, 1)
+#define MPP13_UA0_RTSn        MPP(13, 0x4, 0, 1, 1)
+#define MPP13_NAN_FLASH_WEn0    MPP(13, 0x5, 0, 1, 1)
+#define MPP13_TDM_SCLK        MPP(13, 0x6, 0, 1, 1)
+#define MPP13_UNUSED        MPP(13, 0x1, 0, 0, 1)
+
+#define MPP14_GPIO        MPP(14, 0x0, 1, 1, 1)
+#define MPP14_SATA1_ACTn    MPP(14, 0x3, 0, 1, 1)
+#define MPP14_UA1_CTSn        MPP(14, 0x4, 1, 0, 1)
+#define MPP14_NAND_FLASH_REn1    MPP(14, 0x5, 0, 1, 1)
+#define MPP14_TDM_SMOSI        MPP(14, 0x6, 0, 1, 1)
+#define MPP14_UNUSED        MPP(14, 0x1, 0, 0, 1)
+
+#define MPP15_GPIO        MPP(15, 0x0, 1, 1, 1)
+#define MPP15_SATA0_ACTn    MPP(15, 0x3, 0, 1, 1)
+#define MPP15_UA1_RTSn        MPP(15, 0x4, 0, 1, 1)
+#define MPP15_NAND_FLASH_WEn1    MPP(15, 0x5, 0, 1, 1)
+#define MPP15_TDM_SMISO        MPP(15, 0x6, 1, 0, 1)
+#define MPP15_UNUSED        MPP(15, 0x1, 0, 0, 1)
+
+#define MPP16_GPIO        MPP(16, 0x0, 1, 1, 1)
+#define MPP16_SATA1_PRESENTn    MPP(16, 0x3, 0, 1, 1)
+#define MPP16_UA2_TXD        MPP(16, 0x4, 0, 1, 1)
+#define MPP16_NAND_FLASH_REn3    MPP(16, 0x5, 0, 1, 1)
+#define MPP16_TDM_INTn        MPP(16, 0x6, 1, 0, 1)
+#define MPP16_UNUSED        MPP(16, 0x1, 0, 0, 1)
+
+
+#define MPP17_GPIO        MPP(17, 0x0, 1, 1, 1)
+#define MPP17_SATA0_PRESENTn    MPP(17, 0x3, 0, 1, 1)
+#define MPP17_UA2_RXD        MPP(17, 0x4, 1, 0, 1)
+#define MPP17_NAND_FLASH_WEn3    MPP(17, 0x5, 0, 1, 1)
+#define MPP17_TDM_RSTn        MPP(17, 0x6, 0, 1, 1)
+#define MPP17_UNUSED        MPP(17, 0x1, 0, 0, 1)
+
+
+#define MPP18_GPIO        MPP(18, 0x0, 1, 1, 1)
+#define MPP18_UA0_CTSn        MPP(18, 0x4, 1, 0, 1)
+#define MPP18_BOOT_FLASH_REn    MPP(18, 0x5, 0, 1, 1)
+#define MPP18_UNUSED        MPP(18, 0x1, 0, 0, 1)
+
+
+
+#define MPP19_GPIO        MPP(19, 0x0, 1, 1, 1)
+#define MPP19_UA0_CTSn        MPP(19, 0x4, 0, 1, 1)
+#define MPP19_BOOT_FLASH_WEn    MPP(19, 0x5, 0, 1, 1)
+#define MPP19_UNUSED        MPP(19, 0x1, 0, 0, 1)
+
+
+#define MPP20_GPIO        MPP(20, 0x0, 1, 1, 1)
+#define MPP20_UA1_CTSs        MPP(20, 0x4, 1, 0, 1)
+#define MPP20_TDM_PCLK        MPP(20, 0x6, 1, 1, 0)
+#define MPP20_UNUSED        MPP(20, 0x1, 0, 0, 1)
+
+
+
+#define MPP21_GPIO        MPP(21, 0x0, 1, 1, 1)
+#define MPP21_UA1_CTSs        MPP(21, 0x4, 0, 1, 1)
+#define MPP21_TDM_FSYNC        MPP(21, 0x6, 1, 1, 0)
+#define MPP21_UNUSED        MPP(21, 0x1, 0, 0, 1)
+
+
+
+#define MPP22_GPIO        MPP(22, 0x0, 1, 1, 1)
+#define MPP22_UA3_TDX        MPP(22, 0x4, 0, 1, 1)
+#define MPP22_NAND_FLASH_REn2    MPP(22, 0x5, 0, 1, 1)
+#define MPP22_TDM_DRX        MPP(22, 0x6, 1, 0, 1)
+#define MPP22_UNUSED        MPP(22, 0x1, 0, 0, 1)
+
+
+
+#define MPP23_GPIO        MPP(23, 0x0, 1, 1, 1)
+#define MPP23_UA3_RDX        MPP(23, 0x4, 1, 0, 1)
+#define MPP23_NAND_FLASH_WEn2    MPP(23, 0x5, 0, 1, 1)
+#define MPP23_TDM_DTX        MPP(23, 0x6, 0, 1, 1)
+#define MPP23_UNUSED        MPP(23, 0x1, 0, 0, 1)
+
+
+#define MPP24_GPIO        MPP(24, 0x0, 1, 1, 1)
+#define MPP24_UA2_TXD        MPP(24, 0x4, 0, 1, 1)
+#define MPP24_TDM_INTn        MPP(24, 0x6, 1, 0, 1)
+#define MPP24_UNUSED        MPP(24, 0x1, 0, 0, 1)
+
+
+#define MPP25_GPIO        MPP(25, 0x0, 1, 1, 1)
+#define MPP25_UA2_RXD        MPP(25, 0x4, 1, 0, 1)
+#define MPP25_TDM_RSTn        MPP(25, 0x6, 0, 1, 1)
+#define MPP25_UNUSED        MPP(25, 0x1, 0, 0, 1)
+
+
+#define MPP26_GPIO        MPP(26, 0x0, 1, 1, 1)
+#define MPP26_UA2_CTSn        MPP(26, 0x4, 1, 0, 1)
+#define MPP26_TDM_PCLK        MPP(26, 0x6, 1, 1, 1)
+#define MPP26_UNUSED        MPP(26, 0x1, 0, 0, 1)
+
+
+#define MPP27_GPIO        MPP(27, 0x0, 1, 1, 1)
+#define MPP27_UA2_RTSn        MPP(27, 0x4, 0, 1, 1)
+#define MPP27_TDM_FSYNC        MPP(27, 0x6, 1, 1, 1)
+#define MPP27_UNUSED        MPP(27, 0x1, 0, 0, 1)
+
+
+#define MPP28_GPIO        MPP(28, 0x0, 1, 1, 1)
+#define MPP28_UA3_TXD        MPP(28, 0x4, 0, 1, 1)
+#define MPP28_TDM_DRX        MPP(28, 0x6, 1, 0, 1)
+#define MPP28_UNUSED        MPP(28, 0x1, 0, 0, 1)
+
+#define MPP29_GPIO        MPP(29, 0x0, 1, 1, 1)
+#define MPP29_UA3_RXD        MPP(29, 0x4, 1, 0, 1)
+#define MPP29_SYSRST_OUTn    MPP(29, 0x5, 0, 1, 1)
+#define MPP29_TDM_DTX        MPP(29, 0x6, 0, 1, 1)
+#define MPP29_UNUSED        MPP(29, 0x1, 0, 0, 1)
+
+#define MPP30_GPIO        MPP(30, 0x0, 1, 1, 1)
+#define MPP30_UA3_CTSn        MPP(30, 0x4, 1, 0, 1)
+#define MPP30_UNUSED        MPP(30, 0x1, 0, 0, 1)
+
+#define MPP31_GPIO        MPP(31, 0x0, 1, 1, 1)
+#define MPP31_UA3_RTSn        MPP(31, 0x4, 0, 1, 1)
+#define MPP31_TDM1_SCSn        MPP(31, 0x6, 0, 1, 1)
+#define MPP31_UNUSED        MPP(31, 0x1, 0, 0, 1)
+
+
+#define MPP32_GPIO        MPP(32, 0x1, 1, 1, 1)
+#define MPP32_UA3_TDX        MPP(32, 0x4, 0, 1, 1)
+#define MPP32_SYSRST_OUTn    MPP(32, 0x5, 0, 1, 1)
+#define MPP32_TDM0_RXQ        MPP(32, 0x6, 0, 1, 1)
+#define MPP32_UNUSED        MPP(32, 0x3, 0, 0, 1)
+
+
+#define MPP33_GPIO        MPP(33, 0x1, 1, 1, 1)
+#define MPP33_UA3_RDX        MPP(33, 0x4, 1, 0, 1)
+#define MPP33_TDM0_TXQ        MPP(33, 0x6, 0, 1, 1)
+#define MPP33_UNUSED        MPP(33, 0x3, 0, 0, 1)
+
+
+
+#define MPP34_GPIO        MPP(34, 0x1, 1, 1, 1)
+#define MPP34_UA2_TDX        MPP(34, 0x4, 0, 1, 1)
+#define MPP34_TDM1_RXQ        MPP(34, 0x6, 0, 1, 1)
+#define MPP34_UNUSED        MPP(34, 0x3, 0, 0, 1)
+
+
+
+#define MPP35_GPIO        MPP(35, 0x1, 1, 1, 1)
+#define MPP35_UA2_RDX        MPP(35, 0x4, 1, 0, 1)
+#define MPP35_TDM1_TXQ        MPP(35, 0x6, 0, 1, 1)
+#define MPP35_UNUSED        MPP(35, 0x3, 0, 0, 1)
+
+#define MPP36_GPIO        MPP(36, 0x1, 1, 1, 1)
+#define MPP36_UA0_CTSn        MPP(36, 0x2, 1, 0, 1)
+#define MPP36_UA2_TDX        MPP(36, 0x4, 0, 1, 1)
+#define MPP36_TDM0_SCSn        MPP(36, 0x6, 0, 1, 1)
+#define MPP36_UNUSED        MPP(36, 0x3, 0, 0, 1)
+
+
+#define MPP37_GPIO        MPP(37, 0x1, 1, 1, 1)
+#define MPP37_UA0_RTSn        MPP(37, 0x2, 0, 1, 1)
+#define MPP37_UA2_RXD        MPP(37, 0x4, 1, 0, 1)
+#define MPP37_SYSRST_OUTn    MPP(37, 0x5, 0, 1, 1)
+#define MPP37_TDM_SCLK        MPP(37, 0x6, 0, 1, 1)
+#define MPP37_UNUSED        MPP(37, 0x3, 0, 0, 1)
+
+
+
+
+#define MPP38_GPIO        MPP(38, 0x1, 1, 1, 1)
+#define MPP38_UA1_CTSn        MPP(38, 0x2, 1, 0, 1)
+#define MPP38_UA3_TXD        MPP(38, 0x4, 0, 1, 1)
+#define MPP38_SYSRST_OUTn    MPP(38, 0x5, 0, 1, 1)
+#define MPP38_TDM_SMOSI        MPP(38, 0x6, 0, 1, 1)
+#define MPP38_UNUSED        MPP(38, 0x3, 0, 0, 1)
+
+
+
+
+#define MPP39_GPIO        MPP(39, 0x1, 1, 1, 1)
+#define MPP39_UA1_RTSn        MPP(39, 0x2, 0, 1, 1)
+#define MPP39_UA3_RXD        MPP(39, 0x4, 1, 0, 1)
+#define MPP39_SYSRST_OUTn    MPP(39, 0x5, 0, 1, 1)
+#define MPP39_TDM_SMISO        MPP(39, 0x6, 1, 0, 1)
+#define MPP39_UNUSED        MPP(39, 0x3, 0, 0, 1)
+
+
+
+#define MPP40_GPIO        MPP(40, 0x1, 1, 1, 1)
+#define MPP40_TDM_INTn        MPP(40, 0x6, 1, 0, 1)
+#define MPP40_UNUSED        MPP(40, 0x0, 0, 0, 1)
+
+
+
+#define MPP41_GPIO        MPP(41, 0x1, 1, 1, 1)
+#define MPP41_TDM_RSTn        MPP(41, 0x6, 0, 1, 1)
+#define MPP41_UNUSED        MPP(41, 0x0, 0, 0, 1)
+
+
+
+#define MPP42_GPIO        MPP(42, 0x1, 1, 1, 1)
+#define MPP42_TDM_PCLK        MPP(42, 0x6, 1, 1, 1)
+#define MPP42_UNUSED        MPP(42, 0x0, 0, 0, 1)
+
+
+
+#define MPP43_GPIO        MPP(43, 0x1, 1, 1, 1)
+#define MPP43_TDM_FSYNC        MPP(43, 0x6, 1, 1, 1)
+#define MPP43_UNUSED        MPP(43, 0x0, 0, 0, 1)
+
+
+
+#define MPP44_GPIO        MPP(44, 0x1, 1, 1, 1)
+#define MPP44_TDM_DRX        MPP(44, 0x6, 1, 0, 1)
+#define MPP44_UNUSED        MPP(44, 0x0, 0, 0, 1)
+
+
+
+#define MPP45_GPIO        MPP(45, 0x1, 1, 1, 1)
+#define MPP45_SATA0_ACTn    MPP(45, 0x3, 0, 1, 1)
+#define MPP45_TDM_DRX        MPP(45, 0x6, 0, 1, 1)
+#define MPP45_UNUSED        MPP(45, 0x0, 0, 0, 1)
+
+
+#define MPP46_GPIO        MPP(46, 0x1, 1, 1, 1)
+#define MPP46_TDM_SCSn        MPP(46, 0x6, 0, 1, 1)
+#define MPP46_UNUSED        MPP(46, 0x0, 0, 0, 1)
+
+
+#define MPP47_GPIO        MPP(47, 0x1, 1, 1, 1)
+#define MPP47_UNUSED        MPP(47, 0x0, 0, 0, 1)
+
+
+
+#define MPP48_GPIO        MPP(48, 0x1, 1, 1, 1)
+#define MPP48_SATA1_ACTn    MPP(48, 0x3, 0, 1, 1)
+#define MPP48_UNUSED        MPP(48, 0x2, 0, 0, 1)
+
+
+
+#define MPP49_GPIO        MPP(49, 0x1, 1, 1, 1)
+#define MPP49_SATA0_ACTn    MPP(49, 0x3, 0, 1, 1)
+#define MPP49_M_BB        MPP(49, 0x4, 1, 0, 1)
+#define MPP49_UNUSED        MPP(49, 0x2, 0, 0, 1)
+
+
+#define MPP_MAX            49
+
+void mv78xx0_mpp_conf(unsigned int *mpp_list);
+
+#endif
diff --git a/arch/arm/mach-mx1/Makefile b/arch/arm/mach-mx1/Makefile
index 7f86fe073ec6..fc2ddf82441b 100644
--- a/arch/arm/mach-mx1/Makefile
+++ b/arch/arm/mach-mx1/Makefile
@@ -4,11 +4,12 @@
 
 # Object file lists.
 
+EXTRA_CFLAGS += -DIMX_NEEDS_DEPRECATED_SYMBOLS
 obj-y			+= generic.o clock.o devices.o
 
 # Support for CMOS sensor interface
 obj-$(CONFIG_MX1_VIDEO)	+= ksym_mx1.o mx1_camera_fiq.o
 
 # Specific board support
-obj-$(CONFIG_ARCH_MX1ADS) += mx1ads.o
-obj-$(CONFIG_MACH_SCB9328) += scb9328.o
\ No newline at end of file
+obj-$(CONFIG_ARCH_MX1ADS) += mach-mx1ads.o
+obj-$(CONFIG_MACH_SCB9328) += mach-scb9328.o
diff --git a/arch/arm/mach-mx1/mx1ads.c b/arch/arm/mach-mx1/mach-mx1ads.c
index 30f04e56fafe..51f3cfd83db2 100644
--- a/arch/arm/mach-mx1/mx1ads.c
+++ b/arch/arm/mach-mx1/mach-mx1ads.c
@@ -1,5 +1,5 @@
 /*
- * arch/arm/mach-imx/mx1ads.c
+ * arch/arm/mach-imx/mach-mx1ads.c
  *
  * Initially based on:
  *	linux-2.6.7-imx/arch/arm/mach-imx/scb9328.c
@@ -27,7 +27,7 @@
 #include <mach/hardware.h>
 #include <mach/i2c.h>
 #include <mach/imx-uart.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx1.h>
 #include <mach/irqs.h>
 
 #include "devices.h"
@@ -147,7 +147,7 @@ MACHINE_START(MX1ADS, "Freescale MX1ADS")
 	/* Maintainer: Sascha Hauer, Pengutronix */
 	.phys_io	= IMX_IO_PHYS,
 	.io_pg_offst	= (IMX_IO_BASE >> 18) & 0xfffc,
-	.boot_params	= PHYS_OFFSET + 0x100,
+	.boot_params	= MX1_PHYS_OFFSET + 0x100,
 	.map_io		= mx1_map_io,
 	.init_irq	= mx1_init_irq,
 	.timer		= &mx1ads_timer,
@@ -157,7 +157,7 @@ MACHINE_END
 MACHINE_START(MXLADS, "Freescale MXLADS")
 	.phys_io	= IMX_IO_PHYS,
 	.io_pg_offst	= (IMX_IO_BASE >> 18) & 0xfffc,
-	.boot_params	= PHYS_OFFSET + 0x100,
+	.boot_params	= MX1_PHYS_OFFSET + 0x100,
 	.map_io		= mx1_map_io,
 	.init_irq	= mx1_init_irq,
 	.timer		= &mx1ads_timer,
diff --git a/arch/arm/mach-mx1/scb9328.c b/arch/arm/mach-mx1/mach-scb9328.c
index 325d98df6053..7587a7a12460 100644
--- a/arch/arm/mach-mx1/scb9328.c
+++ b/arch/arm/mach-mx1/mach-scb9328.c
@@ -1,5 +1,5 @@
 /*
- * linux/arch/arm/mach-mx1/scb9328.c
+ * linux/arch/arm/mach-mx1/mach-scb9328.c
  *
  * Copyright (c) 2004 Sascha Hauer <saschahauer@web.de>
  * Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net>
@@ -23,7 +23,7 @@
 #include <mach/hardware.h>
 #include <mach/irqs.h>
 #include <mach/imx-uart.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx1.h>
 
 #include "devices.h"
 
diff --git a/arch/arm/mach-mx2/Kconfig b/arch/arm/mach-mx2/Kconfig
index b96c6a389363..742fd4e6dcb9 100644
--- a/arch/arm/mach-mx2/Kconfig
+++ b/arch/arm/mach-mx2/Kconfig
@@ -37,6 +37,7 @@ config MACH_MX27ADS
 config MACH_PCM038
 	bool "Phytec phyCORE-i.MX27 CPU module (pcm038)"
 	depends on MACH_MX27
+	select MXC_ULPI if USB_ULPI
 	help
 	  Include support for phyCORE-i.MX27 (aka pcm038) platform. This
 	  includes specific configurations for the module and its peripherals.
@@ -55,7 +56,7 @@ config MACH_PCM970_BASEBOARD
 
 endchoice
 
-config MACH_EUKREA_CPUIMX27
+config MACH_CPUIMX27
 	bool "Eukrea CPUIMX27 module"
 	depends on MACH_MX27
 	help
@@ -64,14 +65,14 @@ config MACH_EUKREA_CPUIMX27
 
 config MACH_EUKREA_CPUIMX27_USESDHC2
 	bool "CPUIMX27 integrates SDHC2 module"
-	depends on MACH_EUKREA_CPUIMX27
+	depends on MACH_CPUIMX27
 	help
 	  This adds support for the internal SDHC2 used on CPUIMX27 used
 	  for wifi or eMMC.
 
 choice
 	prompt "Baseboard"
-	depends on MACH_EUKREA_CPUIMX27
+	depends on MACH_CPUIMX27
 	default MACH_EUKREA_MBIMX27_BASEBOARD
 
 config MACH_EUKREA_MBIMX27_BASEBOARD
@@ -90,7 +91,7 @@ config MACH_MX27_3DS
 	  Include support for MX27PDK platform. This includes specific
 	  configurations for the board and its peripherals.
 
-config MACH_MX27LITE
+config MACH_IMX27LITE
 	bool "LogicPD MX27 LITEKIT platform"
 	depends on MACH_MX27
 	help
@@ -100,6 +101,7 @@ config MACH_MX27LITE
 config MACH_PCA100
 	bool "Phytec phyCARD-s (pca100)"
 	depends on MACH_MX27
+	select MXC_ULPI if USB_ULPI
 	help
 	  Include support for phyCARD-s (aka pca100) platform. This
 	  includes specific configurations for the module and its peripherals.
diff --git a/arch/arm/mach-mx2/Makefile b/arch/arm/mach-mx2/Makefile
index 52aca0aaf9b5..e3254faac828 100644
--- a/arch/arm/mach-mx2/Makefile
+++ b/arch/arm/mach-mx2/Makefile
@@ -4,21 +4,20 @@
 
 # Object file lists.
 
-obj-y	:=  generic.o devices.o serial.o
+obj-y	:=  devices.o serial.o
 
-obj-$(CONFIG_MACH_MX21) += clock_imx21.o
+obj-$(CONFIG_MACH_MX21) += clock_imx21.o mm-imx21.o
 
 obj-$(CONFIG_MACH_MX27) += cpu_imx27.o
-obj-$(CONFIG_MACH_MX27) += clock_imx27.o
+obj-$(CONFIG_MACH_MX27) += clock_imx27.o mm-imx27.o
 
-obj-$(CONFIG_MACH_MX21ADS) += mx21ads.o
-obj-$(CONFIG_MACH_MX27ADS) += mx27ads.o
-obj-$(CONFIG_MACH_PCM038) += pcm038.o
+obj-$(CONFIG_MACH_MX21ADS) += mach-mx21ads.o
+obj-$(CONFIG_MACH_MX27ADS) += mach-mx27ads.o
+obj-$(CONFIG_MACH_PCM038) += mach-pcm038.o
 obj-$(CONFIG_MACH_PCM970_BASEBOARD) += pcm970-baseboard.o
-obj-$(CONFIG_MACH_MX27_3DS) += mx27pdk.o
-obj-$(CONFIG_MACH_MX27LITE) += mx27lite.o
-obj-$(CONFIG_MACH_EUKREA_CPUIMX27) += eukrea_cpuimx27.o
+obj-$(CONFIG_MACH_MX27_3DS) += mach-mx27_3ds.o
+obj-$(CONFIG_MACH_IMX27LITE) += mach-imx27lite.o
+obj-$(CONFIG_MACH_CPUIMX27) += mach-cpuimx27.o
 obj-$(CONFIG_MACH_EUKREA_MBIMX27_BASEBOARD) += eukrea_mbimx27-baseboard.o
-obj-$(CONFIG_MACH_PCA100) += pca100.o
-obj-$(CONFIG_MACH_MXT_TD60) += mxt_td60.o
-
+obj-$(CONFIG_MACH_PCA100) += mach-pca100.o
+obj-$(CONFIG_MACH_MXT_TD60) += mach-mxt_td60.o
diff --git a/arch/arm/mach-mx2/clock_imx21.c b/arch/arm/mach-mx2/clock_imx21.c
index e82b489d1215..bb419ef4d133 100644
--- a/arch/arm/mach-mx2/clock_imx21.c
+++ b/arch/arm/mach-mx2/clock_imx21.c
@@ -23,11 +23,242 @@
 #include <linux/module.h>
 
 #include <mach/clock.h>
+#include <mach/hardware.h>
 #include <mach/common.h>
 #include <asm/clkdev.h>
 #include <asm/div64.h>
 
-#include "crm_regs.h"
+#define IO_ADDR_CCM(off)	(MX21_IO_ADDRESS(MX21_CCM_BASE_ADDR + (off)))
+
+/* Register offsets */
+#define CCM_CSCR		IO_ADDR_CCM(0x0)
+#define CCM_MPCTL0		IO_ADDR_CCM(0x4)
+#define CCM_MPCTL1		IO_ADDR_CCM(0x8)
+#define CCM_SPCTL0		IO_ADDR_CCM(0xc)
+#define CCM_SPCTL1		IO_ADDR_CCM(0x10)
+#define CCM_OSC26MCTL		IO_ADDR_CCM(0x14)
+#define CCM_PCDR0		IO_ADDR_CCM(0x18)
+#define CCM_PCDR1		IO_ADDR_CCM(0x1c)
+#define CCM_PCCR0		IO_ADDR_CCM(0x20)
+#define CCM_PCCR1		IO_ADDR_CCM(0x24)
+#define CCM_CCSR		IO_ADDR_CCM(0x28)
+#define CCM_PMCTL		IO_ADDR_CCM(0x2c)
+#define CCM_PMCOUNT		IO_ADDR_CCM(0x30)
+#define CCM_WKGDCTL		IO_ADDR_CCM(0x34)
+
+#define CCM_CSCR_PRESC_OFFSET	29
+#define CCM_CSCR_PRESC_MASK	(0x7 << CCM_CSCR_PRESC_OFFSET)
+
+#define CCM_CSCR_USB_OFFSET	26
+#define CCM_CSCR_USB_MASK	(0x7 << CCM_CSCR_USB_OFFSET)
+#define CCM_CSCR_SD_OFFSET	24
+#define CCM_CSCR_SD_MASK	(0x3 << CCM_CSCR_SD_OFFSET)
+#define CCM_CSCR_SPLLRES	(1 << 22)
+#define CCM_CSCR_MPLLRES	(1 << 21)
+#define CCM_CSCR_SSI2_OFFSET	20
+#define CCM_CSCR_SSI2		(1 << CCM_CSCR_SSI2_OFFSET)
+#define CCM_CSCR_SSI1_OFFSET	19
+#define CCM_CSCR_SSI1		(1 << CCM_CSCR_SSI1_OFFSET)
+#define CCM_CSCR_FIR_OFFSET	18
+#define CCM_CSCR_FIR		(1 << CCM_CSCR_FIR_OFFSET)
+#define CCM_CSCR_SP		(1 << 17)
+#define CCM_CSCR_MCU		(1 << 16)
+#define CCM_CSCR_BCLK_OFFSET	10
+#define CCM_CSCR_BCLK_MASK	(0xf << CCM_CSCR_BCLK_OFFSET)
+#define CCM_CSCR_IPDIV_OFFSET	9
+#define CCM_CSCR_IPDIV		(1 << CCM_CSCR_IPDIV_OFFSET)
+
+#define CCM_CSCR_OSC26MDIV	(1 << 4)
+#define CCM_CSCR_OSC26M		(1 << 3)
+#define CCM_CSCR_FPM		(1 << 2)
+#define CCM_CSCR_SPEN		(1 << 1)
+#define CCM_CSCR_MPEN		1
+
+#define CCM_MPCTL0_CPLM		(1 << 31)
+#define CCM_MPCTL0_PD_OFFSET	26
+#define CCM_MPCTL0_PD_MASK	(0xf << 26)
+#define CCM_MPCTL0_MFD_OFFSET	16
+#define CCM_MPCTL0_MFD_MASK	(0x3ff << 16)
+#define CCM_MPCTL0_MFI_OFFSET	10
+#define CCM_MPCTL0_MFI_MASK	(0xf << 10)
+#define CCM_MPCTL0_MFN_OFFSET	0
+#define CCM_MPCTL0_MFN_MASK	0x3ff
+
+#define CCM_MPCTL1_LF		(1 << 15)
+#define CCM_MPCTL1_BRMO		(1 << 6)
+
+#define CCM_SPCTL0_CPLM		(1 << 31)
+#define CCM_SPCTL0_PD_OFFSET	26
+#define CCM_SPCTL0_PD_MASK	(0xf << 26)
+#define CCM_SPCTL0_MFD_OFFSET	16
+#define CCM_SPCTL0_MFD_MASK	(0x3ff << 16)
+#define CCM_SPCTL0_MFI_OFFSET	10
+#define CCM_SPCTL0_MFI_MASK	(0xf << 10)
+#define CCM_SPCTL0_MFN_OFFSET	0
+#define CCM_SPCTL0_MFN_MASK	0x3ff
+
+#define CCM_SPCTL1_LF		(1 << 15)
+#define CCM_SPCTL1_BRMO		(1 << 6)
+
+#define CCM_OSC26MCTL_PEAK_OFFSET	16
+#define CCM_OSC26MCTL_PEAK_MASK		(0x3 << 16)
+#define CCM_OSC26MCTL_AGC_OFFSET	8
+#define CCM_OSC26MCTL_AGC_MASK		(0x3f << 8)
+#define CCM_OSC26MCTL_ANATEST_OFFSET	0
+#define CCM_OSC26MCTL_ANATEST_MASK	0x3f
+
+#define CCM_PCDR0_SSI2BAUDDIV_OFFSET	26
+#define CCM_PCDR0_SSI2BAUDDIV_MASK	(0x3f << 26)
+#define CCM_PCDR0_SSI1BAUDDIV_OFFSET	16
+#define CCM_PCDR0_SSI1BAUDDIV_MASK	(0x3f << 16)
+#define CCM_PCDR0_NFCDIV_OFFSET		12
+#define CCM_PCDR0_NFCDIV_MASK		(0xf << 12)
+#define CCM_PCDR0_48MDIV_OFFSET		5
+#define CCM_PCDR0_48MDIV_MASK		(0x7 << CCM_PCDR0_48MDIV_OFFSET)
+#define CCM_PCDR0_FIRIDIV_OFFSET	0
+#define CCM_PCDR0_FIRIDIV_MASK		0x1f
+#define CCM_PCDR1_PERDIV4_OFFSET	24
+#define CCM_PCDR1_PERDIV4_MASK		(0x3f << 24)
+#define CCM_PCDR1_PERDIV3_OFFSET	16
+#define CCM_PCDR1_PERDIV3_MASK		(0x3f << 16)
+#define CCM_PCDR1_PERDIV2_OFFSET	8
+#define CCM_PCDR1_PERDIV2_MASK		(0x3f << 8)
+#define CCM_PCDR1_PERDIV1_OFFSET	0
+#define CCM_PCDR1_PERDIV1_MASK		0x3f
+
+#define CCM_PCCR_HCLK_CSI_OFFSET	31
+#define CCM_PCCR_HCLK_CSI_REG		CCM_PCCR0
+#define CCM_PCCR_HCLK_DMA_OFFSET	30
+#define CCM_PCCR_HCLK_DMA_REG		CCM_PCCR0
+#define CCM_PCCR_HCLK_BROM_OFFSET	28
+#define CCM_PCCR_HCLK_BROM_REG		CCM_PCCR0
+#define CCM_PCCR_HCLK_EMMA_OFFSET	27
+#define CCM_PCCR_HCLK_EMMA_REG		CCM_PCCR0
+#define CCM_PCCR_HCLK_LCDC_OFFSET	26
+#define CCM_PCCR_HCLK_LCDC_REG		CCM_PCCR0
+#define CCM_PCCR_HCLK_SLCDC_OFFSET	25
+#define CCM_PCCR_HCLK_SLCDC_REG		CCM_PCCR0
+#define CCM_PCCR_HCLK_USBOTG_OFFSET	24
+#define CCM_PCCR_HCLK_USBOTG_REG	CCM_PCCR0
+#define CCM_PCCR_HCLK_BMI_OFFSET	23
+#define CCM_PCCR_BMI_MASK		(1 << CCM_PCCR_BMI_MASK)
+#define CCM_PCCR_HCLK_BMI_REG		CCM_PCCR0
+#define CCM_PCCR_PERCLK4_OFFSET		22
+#define CCM_PCCR_PERCLK4_REG		CCM_PCCR0
+#define CCM_PCCR_SLCDC_OFFSET		21
+#define CCM_PCCR_SLCDC_REG		CCM_PCCR0
+#define CCM_PCCR_FIRI_BAUD_OFFSET	20
+#define CCM_PCCR_FIRI_BAUD_MASK		(1 << CCM_PCCR_FIRI_BAUD_MASK)
+#define CCM_PCCR_FIRI_BAUD_REG		CCM_PCCR0
+#define CCM_PCCR_NFC_OFFSET		19
+#define CCM_PCCR_NFC_REG		CCM_PCCR0
+#define CCM_PCCR_LCDC_OFFSET		18
+#define CCM_PCCR_LCDC_REG		CCM_PCCR0
+#define CCM_PCCR_SSI1_BAUD_OFFSET	17
+#define CCM_PCCR_SSI1_BAUD_REG		CCM_PCCR0
+#define CCM_PCCR_SSI2_BAUD_OFFSET	16
+#define CCM_PCCR_SSI2_BAUD_REG		CCM_PCCR0
+#define CCM_PCCR_EMMA_OFFSET		15
+#define CCM_PCCR_EMMA_REG		CCM_PCCR0
+#define CCM_PCCR_USBOTG_OFFSET		14
+#define CCM_PCCR_USBOTG_REG		CCM_PCCR0
+#define CCM_PCCR_DMA_OFFSET		13
+#define CCM_PCCR_DMA_REG		CCM_PCCR0
+#define CCM_PCCR_I2C1_OFFSET		12
+#define CCM_PCCR_I2C1_REG		CCM_PCCR0
+#define CCM_PCCR_GPIO_OFFSET		11
+#define CCM_PCCR_GPIO_REG		CCM_PCCR0
+#define CCM_PCCR_SDHC2_OFFSET		10
+#define CCM_PCCR_SDHC2_REG		CCM_PCCR0
+#define CCM_PCCR_SDHC1_OFFSET		9
+#define CCM_PCCR_SDHC1_REG		CCM_PCCR0
+#define CCM_PCCR_FIRI_OFFSET		8
+#define CCM_PCCR_FIRI_MASK		(1 << CCM_PCCR_BAUD_MASK)
+#define CCM_PCCR_FIRI_REG		CCM_PCCR0
+#define CCM_PCCR_SSI2_IPG_OFFSET	7
+#define CCM_PCCR_SSI2_REG		CCM_PCCR0
+#define CCM_PCCR_SSI1_IPG_OFFSET	6
+#define CCM_PCCR_SSI1_REG		CCM_PCCR0
+#define CCM_PCCR_CSPI2_OFFSET		5
+#define	CCM_PCCR_CSPI2_REG		CCM_PCCR0
+#define CCM_PCCR_CSPI1_OFFSET		4
+#define	CCM_PCCR_CSPI1_REG		CCM_PCCR0
+#define CCM_PCCR_UART4_OFFSET		3
+#define CCM_PCCR_UART4_REG		CCM_PCCR0
+#define CCM_PCCR_UART3_OFFSET		2
+#define CCM_PCCR_UART3_REG		CCM_PCCR0
+#define CCM_PCCR_UART2_OFFSET		1
+#define CCM_PCCR_UART2_REG		CCM_PCCR0
+#define CCM_PCCR_UART1_OFFSET		0
+#define CCM_PCCR_UART1_REG		CCM_PCCR0
+
+#define CCM_PCCR_OWIRE_OFFSET		31
+#define CCM_PCCR_OWIRE_REG		CCM_PCCR1
+#define CCM_PCCR_KPP_OFFSET		30
+#define CCM_PCCR_KPP_REG		CCM_PCCR1
+#define CCM_PCCR_RTC_OFFSET		29
+#define CCM_PCCR_RTC_REG		CCM_PCCR1
+#define CCM_PCCR_PWM_OFFSET		28
+#define CCM_PCCR_PWM_REG		CCM_PCCR1
+#define CCM_PCCR_GPT3_OFFSET		27
+#define CCM_PCCR_GPT3_REG		CCM_PCCR1
+#define CCM_PCCR_GPT2_OFFSET		26
+#define CCM_PCCR_GPT2_REG		CCM_PCCR1
+#define CCM_PCCR_GPT1_OFFSET		25
+#define CCM_PCCR_GPT1_REG		CCM_PCCR1
+#define CCM_PCCR_WDT_OFFSET		24
+#define CCM_PCCR_WDT_REG		CCM_PCCR1
+#define CCM_PCCR_CSPI3_OFFSET		23
+#define	CCM_PCCR_CSPI3_REG		CCM_PCCR1
+
+#define CCM_PCCR_CSPI1_MASK		(1 << CCM_PCCR_CSPI1_OFFSET)
+#define CCM_PCCR_CSPI2_MASK		(1 << CCM_PCCR_CSPI2_OFFSET)
+#define CCM_PCCR_CSPI3_MASK		(1 << CCM_PCCR_CSPI3_OFFSET)
+#define CCM_PCCR_DMA_MASK		(1 << CCM_PCCR_DMA_OFFSET)
+#define CCM_PCCR_EMMA_MASK		(1 << CCM_PCCR_EMMA_OFFSET)
+#define CCM_PCCR_GPIO_MASK		(1 << CCM_PCCR_GPIO_OFFSET)
+#define CCM_PCCR_GPT1_MASK		(1 << CCM_PCCR_GPT1_OFFSET)
+#define CCM_PCCR_GPT2_MASK		(1 << CCM_PCCR_GPT2_OFFSET)
+#define CCM_PCCR_GPT3_MASK		(1 << CCM_PCCR_GPT3_OFFSET)
+#define CCM_PCCR_HCLK_BROM_MASK		(1 << CCM_PCCR_HCLK_BROM_OFFSET)
+#define CCM_PCCR_HCLK_CSI_MASK		(1 << CCM_PCCR_HCLK_CSI_OFFSET)
+#define CCM_PCCR_HCLK_DMA_MASK		(1 << CCM_PCCR_HCLK_DMA_OFFSET)
+#define CCM_PCCR_HCLK_EMMA_MASK		(1 << CCM_PCCR_HCLK_EMMA_OFFSET)
+#define CCM_PCCR_HCLK_LCDC_MASK		(1 << CCM_PCCR_HCLK_LCDC_OFFSET)
+#define CCM_PCCR_HCLK_SLCDC_MASK	(1 << CCM_PCCR_HCLK_SLCDC_OFFSET)
+#define CCM_PCCR_HCLK_USBOTG_MASK	(1 << CCM_PCCR_HCLK_USBOTG_OFFSET)
+#define CCM_PCCR_I2C1_MASK		(1 << CCM_PCCR_I2C1_OFFSET)
+#define CCM_PCCR_KPP_MASK		(1 << CCM_PCCR_KPP_OFFSET)
+#define CCM_PCCR_LCDC_MASK		(1 << CCM_PCCR_LCDC_OFFSET)
+#define CCM_PCCR_NFC_MASK		(1 << CCM_PCCR_NFC_OFFSET)
+#define CCM_PCCR_OWIRE_MASK		(1 << CCM_PCCR_OWIRE_OFFSET)
+#define CCM_PCCR_PERCLK4_MASK		(1 << CCM_PCCR_PERCLK4_OFFSET)
+#define CCM_PCCR_PWM_MASK		(1 << CCM_PCCR_PWM_OFFSET)
+#define CCM_PCCR_RTC_MASK		(1 << CCM_PCCR_RTC_OFFSET)
+#define CCM_PCCR_SDHC1_MASK		(1 << CCM_PCCR_SDHC1_OFFSET)
+#define CCM_PCCR_SDHC2_MASK		(1 << CCM_PCCR_SDHC2_OFFSET)
+#define CCM_PCCR_SLCDC_MASK		(1 << CCM_PCCR_SLCDC_OFFSET)
+#define CCM_PCCR_SSI1_BAUD_MASK		(1 << CCM_PCCR_SSI1_BAUD_OFFSET)
+#define CCM_PCCR_SSI1_IPG_MASK		(1 << CCM_PCCR_SSI1_IPG_OFFSET)
+#define CCM_PCCR_SSI2_BAUD_MASK		(1 << CCM_PCCR_SSI2_BAUD_OFFSET)
+#define CCM_PCCR_SSI2_IPG_MASK		(1 << CCM_PCCR_SSI2_IPG_OFFSET)
+#define CCM_PCCR_UART1_MASK		(1 << CCM_PCCR_UART1_OFFSET)
+#define CCM_PCCR_UART2_MASK		(1 << CCM_PCCR_UART2_OFFSET)
+#define CCM_PCCR_UART3_MASK		(1 << CCM_PCCR_UART3_OFFSET)
+#define CCM_PCCR_UART4_MASK		(1 << CCM_PCCR_UART4_OFFSET)
+#define CCM_PCCR_USBOTG_MASK		(1 << CCM_PCCR_USBOTG_OFFSET)
+#define CCM_PCCR_WDT_MASK		(1 << CCM_PCCR_WDT_OFFSET)
+
+#define CCM_CCSR_32KSR		(1 << 15)
+
+#define CCM_CCSR_CLKMODE1	(1 << 9)
+#define CCM_CCSR_CLKMODE0	(1 << 8)
+
+#define CCM_CCSR_CLKOSEL_OFFSET 0
+#define CCM_CCSR_CLKOSEL_MASK	0x1f
+
+#define SYS_FMCR		0x14	/* Functional Muxing Control Reg */
+#define SYS_CHIP_ID		0x00	/* The offset of CHIP ID register */
 
 static int _clk_enable(struct clk *clk)
 {
@@ -1002,6 +1233,7 @@ int __init mx21_clocks_init(unsigned long lref, unsigned long href)
 	clk_enable(&uart_clk[0]);
 #endif
 
-	mxc_timer_init(&gpt_clk[0], IO_ADDRESS(GPT1_BASE_ADDR), MXC_INT_GPT1);
+	mxc_timer_init(&gpt_clk[0], MX21_IO_ADDRESS(MX21_GPT1_BASE_ADDR),
+			MX21_INT_GPT1);
 	return 0;
 }
diff --git a/arch/arm/mach-mx2/clock_imx27.c b/arch/arm/mach-mx2/clock_imx27.c
index 18c53a6487fa..0f0823c8b170 100644
--- a/arch/arm/mach-mx2/clock_imx27.c
+++ b/arch/arm/mach-mx2/clock_imx27.c
@@ -29,21 +29,23 @@
 #include <mach/common.h>
 #include <mach/hardware.h>
 
+#define IO_ADDR_CCM(off)	(MX27_IO_ADDRESS(MX27_CCM_BASE_ADDR + (off)))
+
 /* Register offsets */
-#define CCM_CSCR                (IO_ADDRESS(CCM_BASE_ADDR) + 0x0)
-#define CCM_MPCTL0              (IO_ADDRESS(CCM_BASE_ADDR) + 0x4)
-#define CCM_MPCTL1              (IO_ADDRESS(CCM_BASE_ADDR) + 0x8)
-#define CCM_SPCTL0              (IO_ADDRESS(CCM_BASE_ADDR) + 0xC)
-#define CCM_SPCTL1              (IO_ADDRESS(CCM_BASE_ADDR) + 0x10)
-#define CCM_OSC26MCTL           (IO_ADDRESS(CCM_BASE_ADDR) + 0x14)
-#define CCM_PCDR0               (IO_ADDRESS(CCM_BASE_ADDR) + 0x18)
-#define CCM_PCDR1               (IO_ADDRESS(CCM_BASE_ADDR) + 0x1c)
-#define CCM_PCCR0               (IO_ADDRESS(CCM_BASE_ADDR) + 0x20)
-#define CCM_PCCR1               (IO_ADDRESS(CCM_BASE_ADDR) + 0x24)
-#define CCM_CCSR                (IO_ADDRESS(CCM_BASE_ADDR) + 0x28)
-#define CCM_PMCTL               (IO_ADDRESS(CCM_BASE_ADDR) + 0x2c)
-#define CCM_PMCOUNT             (IO_ADDRESS(CCM_BASE_ADDR) + 0x30)
-#define CCM_WKGDCTL             (IO_ADDRESS(CCM_BASE_ADDR) + 0x34)
+#define CCM_CSCR		IO_ADDR_CCM(0x0)
+#define CCM_MPCTL0		IO_ADDR_CCM(0x4)
+#define CCM_MPCTL1		IO_ADDR_CCM(0x8)
+#define CCM_SPCTL0		IO_ADDR_CCM(0xc)
+#define CCM_SPCTL1		IO_ADDR_CCM(0x10)
+#define CCM_OSC26MCTL		IO_ADDR_CCM(0x14)
+#define CCM_PCDR0		IO_ADDR_CCM(0x18)
+#define CCM_PCDR1		IO_ADDR_CCM(0x1c)
+#define CCM_PCCR0		IO_ADDR_CCM(0x20)
+#define CCM_PCCR1		IO_ADDR_CCM(0x24)
+#define CCM_CCSR		IO_ADDR_CCM(0x28)
+#define CCM_PMCTL		IO_ADDR_CCM(0x2c)
+#define CCM_PMCOUNT		IO_ADDR_CCM(0x30)
+#define CCM_WKGDCTL		IO_ADDR_CCM(0x34)
 
 #define CCM_CSCR_UPDATE_DIS	(1 << 31)
 #define CCM_CSCR_SSI2		(1 << 23)
@@ -753,7 +755,8 @@ int __init mx27_clocks_init(unsigned long fref)
 	clk_enable(&uart1_clk);
 #endif
 
-	mxc_timer_init(&gpt1_clk, IO_ADDRESS(GPT1_BASE_ADDR), MXC_INT_GPT1);
+	mxc_timer_init(&gpt1_clk, MX27_IO_ADDRESS(MX27_GPT1_BASE_ADDR),
+			MX27_INT_GPT1);
 
 	return 0;
 }
diff --git a/arch/arm/mach-mx2/cpu_imx27.c b/arch/arm/mach-mx2/cpu_imx27.c
index d9e3bf9644c9..d8d3b2d84dc5 100644
--- a/arch/arm/mach-mx2/cpu_imx27.c
+++ b/arch/arm/mach-mx2/cpu_imx27.c
@@ -39,7 +39,8 @@ static void query_silicon_parameter(void)
 	 * the silicon revision very early we read it here to
 	 * avoid any further hooks
 	*/
-	val = __raw_readl(IO_ADDRESS(SYSCTRL_BASE_ADDR) + SYS_CHIP_ID);
+	val = __raw_readl(MX27_IO_ADDRESS(MX27_SYSCTRL_BASE_ADDR
+				+ SYS_CHIP_ID));
 
 	cpu_silicon_rev = (int)(val >> 28);
 	cpu_partnumber = (int)((val >> 12) & 0xFFFF);
diff --git a/arch/arm/mach-mx2/crm_regs.h b/arch/arm/mach-mx2/crm_regs.h
deleted file mode 100644
index 749de76b3f95..000000000000
--- a/arch/arm/mach-mx2/crm_regs.h
+++ /dev/null
@@ -1,258 +0,0 @@
-/*
- * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
- * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
- */
-
-#ifndef __ARCH_ARM_MACH_MX2_CRM_REGS_H__
-#define __ARCH_ARM_MACH_MX2_CRM_REGS_H__
-
-#include <mach/hardware.h>
-
-/* Register offsets */
-#define CCM_CSCR                (IO_ADDRESS(CCM_BASE_ADDR) + 0x0)
-#define CCM_MPCTL0              (IO_ADDRESS(CCM_BASE_ADDR) + 0x4)
-#define CCM_MPCTL1              (IO_ADDRESS(CCM_BASE_ADDR) + 0x8)
-#define CCM_SPCTL0              (IO_ADDRESS(CCM_BASE_ADDR) + 0xC)
-#define CCM_SPCTL1              (IO_ADDRESS(CCM_BASE_ADDR) + 0x10)
-#define CCM_OSC26MCTL           (IO_ADDRESS(CCM_BASE_ADDR) + 0x14)
-#define CCM_PCDR0               (IO_ADDRESS(CCM_BASE_ADDR) + 0x18)
-#define CCM_PCDR1               (IO_ADDRESS(CCM_BASE_ADDR) + 0x1c)
-#define CCM_PCCR0               (IO_ADDRESS(CCM_BASE_ADDR) + 0x20)
-#define CCM_PCCR1               (IO_ADDRESS(CCM_BASE_ADDR) + 0x24)
-#define CCM_CCSR                (IO_ADDRESS(CCM_BASE_ADDR) + 0x28)
-#define CCM_PMCTL               (IO_ADDRESS(CCM_BASE_ADDR) + 0x2c)
-#define CCM_PMCOUNT             (IO_ADDRESS(CCM_BASE_ADDR) + 0x30)
-#define CCM_WKGDCTL             (IO_ADDRESS(CCM_BASE_ADDR) + 0x34)
-
-#define CCM_CSCR_PRESC_OFFSET   29
-#define CCM_CSCR_PRESC_MASK     (0x7 << CCM_CSCR_PRESC_OFFSET)
-
-#define CCM_CSCR_USB_OFFSET     26
-#define CCM_CSCR_USB_MASK       (0x7 << CCM_CSCR_USB_OFFSET)
-#define CCM_CSCR_SD_OFFSET      24
-#define CCM_CSCR_SD_MASK        (0x3 << CCM_CSCR_SD_OFFSET)
-#define CCM_CSCR_SPLLRES        (1 << 22)
-#define CCM_CSCR_MPLLRES        (1 << 21)
-#define CCM_CSCR_SSI2_OFFSET    20
-#define CCM_CSCR_SSI2           (1 << CCM_CSCR_SSI2_OFFSET)
-#define CCM_CSCR_SSI1_OFFSET    19
-#define CCM_CSCR_SSI1           (1 << CCM_CSCR_SSI1_OFFSET)
-#define CCM_CSCR_FIR_OFFSET    	18
-#define CCM_CSCR_FIR		(1 << CCM_CSCR_FIR_OFFSET)
-#define CCM_CSCR_SP             (1 << 17)
-#define CCM_CSCR_MCU            (1 << 16)
-#define CCM_CSCR_BCLK_OFFSET	10
-#define CCM_CSCR_BCLK_MASK      (0xf << CCM_CSCR_BCLK_OFFSET)
-#define CCM_CSCR_IPDIV_OFFSET   9
-#define CCM_CSCR_IPDIV          (1 << CCM_CSCR_IPDIV_OFFSET)
-
-#define CCM_CSCR_OSC26MDIV      (1 << 4)
-#define CCM_CSCR_OSC26M         (1 << 3)
-#define CCM_CSCR_FPM            (1 << 2)
-#define CCM_CSCR_SPEN           (1 << 1)
-#define CCM_CSCR_MPEN           1
-
-
-
-#define CCM_MPCTL0_CPLM         (1 << 31)
-#define CCM_MPCTL0_PD_OFFSET    26
-#define CCM_MPCTL0_PD_MASK      (0xf << 26)
-#define CCM_MPCTL0_MFD_OFFSET   16
-#define CCM_MPCTL0_MFD_MASK     (0x3ff << 16)
-#define CCM_MPCTL0_MFI_OFFSET   10
-#define CCM_MPCTL0_MFI_MASK     (0xf << 10)
-#define CCM_MPCTL0_MFN_OFFSET   0
-#define CCM_MPCTL0_MFN_MASK     0x3ff
-
-#define CCM_MPCTL1_LF           (1 << 15)
-#define CCM_MPCTL1_BRMO         (1 << 6)
-
-#define CCM_SPCTL0_CPLM         (1 << 31)
-#define CCM_SPCTL0_PD_OFFSET    26
-#define CCM_SPCTL0_PD_MASK      (0xf << 26)
-#define CCM_SPCTL0_MFD_OFFSET   16
-#define CCM_SPCTL0_MFD_MASK     (0x3ff << 16)
-#define CCM_SPCTL0_MFI_OFFSET   10
-#define CCM_SPCTL0_MFI_MASK     (0xf << 10)
-#define CCM_SPCTL0_MFN_OFFSET   0
-#define CCM_SPCTL0_MFN_MASK     0x3ff
-
-#define CCM_SPCTL1_LF           (1 << 15)
-#define CCM_SPCTL1_BRMO         (1 << 6)
-
-#define CCM_OSC26MCTL_PEAK_OFFSET       16
-#define CCM_OSC26MCTL_PEAK_MASK         (0x3 << 16)
-#define CCM_OSC26MCTL_AGC_OFFSET        8
-#define CCM_OSC26MCTL_AGC_MASK          (0x3f << 8)
-#define CCM_OSC26MCTL_ANATEST_OFFSET    0
-#define CCM_OSC26MCTL_ANATEST_MASK      0x3f
-
-#define CCM_PCDR0_SSI2BAUDDIV_OFFSET    26
-#define CCM_PCDR0_SSI2BAUDDIV_MASK      (0x3f << 26)
-#define CCM_PCDR0_SSI1BAUDDIV_OFFSET    16
-#define CCM_PCDR0_SSI1BAUDDIV_MASK      (0x3f << 16)
-#define CCM_PCDR0_NFCDIV_OFFSET         12
-#define CCM_PCDR0_NFCDIV_MASK           (0xf << 12)
-#define CCM_PCDR0_48MDIV_OFFSET		5
-#define CCM_PCDR0_48MDIV_MASK		(0x7 << CCM_PCDR0_48MDIV_OFFSET)
-#define CCM_PCDR0_FIRIDIV_OFFSET	0
-#define CCM_PCDR0_FIRIDIV_MASK		0x1f
-#define CCM_PCDR1_PERDIV4_OFFSET        24
-#define CCM_PCDR1_PERDIV4_MASK          (0x3f << 24)
-#define CCM_PCDR1_PERDIV3_OFFSET        16
-#define CCM_PCDR1_PERDIV3_MASK          (0x3f << 16)
-#define CCM_PCDR1_PERDIV2_OFFSET        8
-#define CCM_PCDR1_PERDIV2_MASK          (0x3f << 8)
-#define CCM_PCDR1_PERDIV1_OFFSET        0
-#define CCM_PCDR1_PERDIV1_MASK          0x3f
-
-#define CCM_PCCR_HCLK_CSI_OFFSET       	31
-#define CCM_PCCR_HCLK_CSI_REG	        CCM_PCCR0
-#define CCM_PCCR_HCLK_DMA_OFFSET       	30
-#define CCM_PCCR_HCLK_DMA_REG	        CCM_PCCR0
-#define CCM_PCCR_HCLK_BROM_OFFSET      	28
-#define CCM_PCCR_HCLK_BROM_REG	        CCM_PCCR0
-#define CCM_PCCR_HCLK_EMMA_OFFSET      	27
-#define CCM_PCCR_HCLK_EMMA_REG	        CCM_PCCR0
-#define CCM_PCCR_HCLK_LCDC_OFFSET      	26
-#define CCM_PCCR_HCLK_LCDC_REG	        CCM_PCCR0
-#define CCM_PCCR_HCLK_SLCDC_OFFSET     	25
-#define CCM_PCCR_HCLK_SLCDC_REG	        CCM_PCCR0
-#define CCM_PCCR_HCLK_USBOTG_OFFSET    	24
-#define CCM_PCCR_HCLK_USBOTG_REG	CCM_PCCR0
-#define CCM_PCCR_HCLK_BMI_OFFSET    	23
-#define CCM_PCCR_BMI_MASK          	(1 << CCM_PCCR_BMI_MASK)
-#define CCM_PCCR_HCLK_BMI_REG	    	CCM_PCCR0
-#define CCM_PCCR_PERCLK4_OFFSET        	22
-#define CCM_PCCR_PERCLK4_REG	    	CCM_PCCR0
-#define CCM_PCCR_SLCDC_OFFSET          	21
-#define CCM_PCCR_SLCDC_REG		CCM_PCCR0
-#define CCM_PCCR_FIRI_BAUD_OFFSET       20
-#define CCM_PCCR_FIRI_BAUD_MASK         (1 << CCM_PCCR_FIRI_BAUD_MASK)
-#define CCM_PCCR_FIRI_BAUD_REG	        CCM_PCCR0
-#define CCM_PCCR_NFC_OFFSET		19
-#define CCM_PCCR_NFC_REG		CCM_PCCR0
-#define CCM_PCCR_LCDC_OFFSET           	18
-#define CCM_PCCR_LCDC_REG		CCM_PCCR0
-#define CCM_PCCR_SSI1_BAUD_OFFSET      	17
-#define CCM_PCCR_SSI1_BAUD_REG	    	CCM_PCCR0
-#define CCM_PCCR_SSI2_BAUD_OFFSET      	16
-#define CCM_PCCR_SSI2_BAUD_REG	    	CCM_PCCR0
-#define CCM_PCCR_EMMA_OFFSET           	15
-#define CCM_PCCR_EMMA_REG		CCM_PCCR0
-#define CCM_PCCR_USBOTG_OFFSET         	14
-#define CCM_PCCR_USBOTG_REG		CCM_PCCR0
-#define CCM_PCCR_DMA_OFFSET            	13
-#define CCM_PCCR_DMA_REG            	CCM_PCCR0
-#define CCM_PCCR_I2C1_OFFSET           	12
-#define CCM_PCCR_I2C1_REG		CCM_PCCR0
-#define CCM_PCCR_GPIO_OFFSET           	11
-#define CCM_PCCR_GPIO_REG		CCM_PCCR0
-#define CCM_PCCR_SDHC2_OFFSET          	10
-#define CCM_PCCR_SDHC2_REG		CCM_PCCR0
-#define CCM_PCCR_SDHC1_OFFSET          	9
-#define CCM_PCCR_SDHC1_REG		CCM_PCCR0
-#define CCM_PCCR_FIRI_OFFSET		8
-#define CCM_PCCR_FIRI_MASK		(1 << CCM_PCCR_BAUD_MASK)
-#define CCM_PCCR_FIRI_REG		CCM_PCCR0
-#define CCM_PCCR_SSI2_IPG_OFFSET       	7
-#define CCM_PCCR_SSI2_REG		CCM_PCCR0
-#define CCM_PCCR_SSI1_IPG_OFFSET       	6
-#define CCM_PCCR_SSI1_REG		CCM_PCCR0
-#define CCM_PCCR_CSPI2_OFFSET		5
-#define	CCM_PCCR_CSPI2_REG		CCM_PCCR0
-#define CCM_PCCR_CSPI1_OFFSET		4
-#define	CCM_PCCR_CSPI1_REG		CCM_PCCR0
-#define CCM_PCCR_UART4_OFFSET          	3
-#define CCM_PCCR_UART4_REG		CCM_PCCR0
-#define CCM_PCCR_UART3_OFFSET          	2
-#define CCM_PCCR_UART3_REG		CCM_PCCR0
-#define CCM_PCCR_UART2_OFFSET          	1
-#define CCM_PCCR_UART2_REG		CCM_PCCR0
-#define CCM_PCCR_UART1_OFFSET          	0
-#define CCM_PCCR_UART1_REG		CCM_PCCR0
-
-#define CCM_PCCR_OWIRE_OFFSET          	31
-#define CCM_PCCR_OWIRE_REG		CCM_PCCR1
-#define CCM_PCCR_KPP_OFFSET            	30
-#define CCM_PCCR_KPP_REG		CCM_PCCR1
-#define CCM_PCCR_RTC_OFFSET            	29
-#define CCM_PCCR_RTC_REG		CCM_PCCR1
-#define CCM_PCCR_PWM_OFFSET            	28
-#define CCM_PCCR_PWM_REG		CCM_PCCR1
-#define CCM_PCCR_GPT3_OFFSET           	27
-#define CCM_PCCR_GPT3_REG		CCM_PCCR1
-#define CCM_PCCR_GPT2_OFFSET           	26
-#define CCM_PCCR_GPT2_REG		CCM_PCCR1
-#define CCM_PCCR_GPT1_OFFSET           	25
-#define CCM_PCCR_GPT1_REG		CCM_PCCR1
-#define CCM_PCCR_WDT_OFFSET            	24
-#define CCM_PCCR_WDT_REG		CCM_PCCR1
-#define CCM_PCCR_CSPI3_OFFSET		23
-#define	CCM_PCCR_CSPI3_REG		CCM_PCCR1
-
-#define CCM_PCCR_CSPI1_MASK            	(1 << CCM_PCCR_CSPI1_OFFSET)
-#define CCM_PCCR_CSPI2_MASK            	(1 << CCM_PCCR_CSPI2_OFFSET)
-#define CCM_PCCR_CSPI3_MASK            	(1 << CCM_PCCR_CSPI3_OFFSET)
-#define CCM_PCCR_DMA_MASK              	(1 << CCM_PCCR_DMA_OFFSET)
-#define CCM_PCCR_EMMA_MASK             	(1 << CCM_PCCR_EMMA_OFFSET)
-#define CCM_PCCR_GPIO_MASK             	(1 << CCM_PCCR_GPIO_OFFSET)
-#define CCM_PCCR_GPT1_MASK             	(1 << CCM_PCCR_GPT1_OFFSET)
-#define CCM_PCCR_GPT2_MASK             	(1 << CCM_PCCR_GPT2_OFFSET)
-#define CCM_PCCR_GPT3_MASK             	(1 << CCM_PCCR_GPT3_OFFSET)
-#define CCM_PCCR_HCLK_BROM_MASK		(1 << CCM_PCCR_HCLK_BROM_OFFSET)
-#define CCM_PCCR_HCLK_CSI_MASK         	(1 << CCM_PCCR_HCLK_CSI_OFFSET)
-#define CCM_PCCR_HCLK_DMA_MASK         	(1 << CCM_PCCR_HCLK_DMA_OFFSET)
-#define CCM_PCCR_HCLK_EMMA_MASK        	(1 << CCM_PCCR_HCLK_EMMA_OFFSET)
-#define CCM_PCCR_HCLK_LCDC_MASK        	(1 << CCM_PCCR_HCLK_LCDC_OFFSET)
-#define CCM_PCCR_HCLK_SLCDC_MASK       	(1 << CCM_PCCR_HCLK_SLCDC_OFFSET)
-#define CCM_PCCR_HCLK_USBOTG_MASK      	(1 << CCM_PCCR_HCLK_USBOTG_OFFSET)
-#define CCM_PCCR_I2C1_MASK             	(1 << CCM_PCCR_I2C1_OFFSET)
-#define CCM_PCCR_KPP_MASK              	(1 << CCM_PCCR_KPP_OFFSET)
-#define CCM_PCCR_LCDC_MASK             	(1 << CCM_PCCR_LCDC_OFFSET)
-#define CCM_PCCR_NFC_MASK		(1 << CCM_PCCR_NFC_OFFSET)
-#define CCM_PCCR_OWIRE_MASK            	(1 << CCM_PCCR_OWIRE_OFFSET)
-#define CCM_PCCR_PERCLK4_MASK          	(1 << CCM_PCCR_PERCLK4_OFFSET)
-#define CCM_PCCR_PWM_MASK              	(1 << CCM_PCCR_PWM_OFFSET)
-#define CCM_PCCR_RTC_MASK              	(1 << CCM_PCCR_RTC_OFFSET)
-#define CCM_PCCR_SDHC1_MASK            	(1 << CCM_PCCR_SDHC1_OFFSET)
-#define CCM_PCCR_SDHC2_MASK            	(1 << CCM_PCCR_SDHC2_OFFSET)
-#define CCM_PCCR_SLCDC_MASK            	(1 << CCM_PCCR_SLCDC_OFFSET)
-#define CCM_PCCR_SSI1_BAUD_MASK        	(1 << CCM_PCCR_SSI1_BAUD_OFFSET)
-#define CCM_PCCR_SSI1_IPG_MASK         	(1 << CCM_PCCR_SSI1_IPG_OFFSET)
-#define CCM_PCCR_SSI2_BAUD_MASK        	(1 << CCM_PCCR_SSI2_BAUD_OFFSET)
-#define CCM_PCCR_SSI2_IPG_MASK         	(1 << CCM_PCCR_SSI2_IPG_OFFSET)
-#define CCM_PCCR_UART1_MASK            	(1 << CCM_PCCR_UART1_OFFSET)
-#define CCM_PCCR_UART2_MASK            	(1 << CCM_PCCR_UART2_OFFSET)
-#define CCM_PCCR_UART3_MASK            	(1 << CCM_PCCR_UART3_OFFSET)
-#define CCM_PCCR_UART4_MASK            	(1 << CCM_PCCR_UART4_OFFSET)
-#define CCM_PCCR_USBOTG_MASK           	(1 << CCM_PCCR_USBOTG_OFFSET)
-#define CCM_PCCR_WDT_MASK              	(1 << CCM_PCCR_WDT_OFFSET)
-
-
-#define CCM_CCSR_32KSR          (1 << 15)
-
-#define CCM_CCSR_CLKMODE1       (1 << 9)
-#define CCM_CCSR_CLKMODE0       (1 << 8)
-
-#define CCM_CCSR_CLKOSEL_OFFSET 0
-#define CCM_CCSR_CLKOSEL_MASK   0x1f
-
-#define SYS_FMCR                0x14	/*  Functional Muxing Control Reg */
-#define SYS_CHIP_ID             0x00	/* The offset of CHIP ID register */
-
-#endif /* __ARCH_ARM_MACH_MX2_CRM_REGS_H__ */
diff --git a/arch/arm/mach-mx2/devices.c b/arch/arm/mach-mx2/devices.c
index 3d398ce09b31..b91e412f7b3e 100644
--- a/arch/arm/mach-mx2/devices.c
+++ b/arch/arm/mach-mx2/devices.c
@@ -31,6 +31,7 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
+#include <linux/dma-mapping.h>
 
 #include <mach/irqs.h>
 #include <mach/hardware.h>
@@ -46,65 +47,31 @@
  * - i.MX21: 2 channel
  * - i.MX27: 3 channel
  */
-static struct resource mxc_spi_resources0[] = {
-	{
-	       .start = CSPI1_BASE_ADDR,
-	       .end = CSPI1_BASE_ADDR + SZ_4K - 1,
-	       .flags = IORESOURCE_MEM,
-	}, {
-	       .start = MXC_INT_CSPI1,
-	       .end = MXC_INT_CSPI1,
-	       .flags = IORESOURCE_IRQ,
-	},
-};
-
-static struct resource mxc_spi_resources1[] = {
-	{
-		.start = CSPI2_BASE_ADDR,
-		.end = CSPI2_BASE_ADDR + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = MXC_INT_CSPI2,
-		.end = MXC_INT_CSPI2,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-
-#ifdef CONFIG_MACH_MX27
-static struct resource mxc_spi_resources2[] = {
-	{
-		.start = CSPI3_BASE_ADDR,
-		.end = CSPI3_BASE_ADDR + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = MXC_INT_CSPI3,
-		.end = MXC_INT_CSPI3,
-		.flags = IORESOURCE_IRQ,
-	},
-};
-#endif
-
-struct platform_device mxc_spi_device0 = {
-	.name = "spi_imx",
-	.id = 0,
-	.num_resources = ARRAY_SIZE(mxc_spi_resources0),
-	.resource = mxc_spi_resources0,
-};
+#define DEFINE_IMX_SPI_DEVICE(n, baseaddr, irq)					\
+	static struct resource mxc_spi_resources ## n[] = {			\
+		{								\
+			.start = baseaddr,					\
+			.end = baseaddr + SZ_4K - 1,				\
+			.flags = IORESOURCE_MEM,				\
+		}, {								\
+			.start = irq,						\
+			.end = irq,						\
+			.flags = IORESOURCE_IRQ,				\
+		},								\
+	};									\
+										\
+	struct platform_device mxc_spi_device ## n = {				\
+		.name = "spi_imx",						\
+		.id = n,							\
+		.num_resources = ARRAY_SIZE(mxc_spi_resources ## n),		\
+		.resource = mxc_spi_resources ## n,				\
+	}
 
-struct platform_device mxc_spi_device1 = {
-	.name = "spi_imx",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(mxc_spi_resources1),
-	.resource = mxc_spi_resources1,
-};
+DEFINE_IMX_SPI_DEVICE(0, MX2x_CSPI1_BASE_ADDR, MX2x_INT_CSPI1);
+DEFINE_IMX_SPI_DEVICE(1, MX2x_CSPI2_BASE_ADDR, MX2x_INT_CSPI2);
 
 #ifdef CONFIG_MACH_MX27
-struct platform_device mxc_spi_device2 = {
-	.name = "spi_imx",
-	.id = 2,
-	.num_resources = ARRAY_SIZE(mxc_spi_resources2),
-	.resource = mxc_spi_resources2,
-};
+DEFINE_IMX_SPI_DEVICE(2, MX27_CSPI3_BASE_ADDR, MX27_INT_CSPI3);
 #endif
 
 /*
@@ -112,104 +79,34 @@ struct platform_device mxc_spi_device2 = {
  * - i.MX21: 3 timers
  * - i.MX27: 6 timers
  */
-
-/* We use gpt0 as system timer, so do not add a device for this one */
-
-static struct resource timer1_resources[] = {
-	{
-		.start	= GPT2_BASE_ADDR,
-		.end	= GPT2_BASE_ADDR + 0x17,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start   = MXC_INT_GPT2,
-		.end     = MXC_INT_GPT2,
-		.flags   = IORESOURCE_IRQ,
+#define DEFINE_IMX_GPT_DEVICE(n, baseaddr, irq)				\
+	static struct resource timer ## n ##_resources[] = {		\
+		{							\
+			.start = baseaddr,				\
+			.end = baseaddr + SZ_4K - 1,			\
+			.flags = IORESOURCE_MEM,			\
+		}, {							\
+			.start = irq,					\
+			.end = irq,					\
+			.flags = IORESOURCE_IRQ,			\
+		}							\
+	};								\
+									\
+	struct platform_device mxc_gpt ## n = {				\
+		.name = "imx_gpt",					\
+		.id = n,						\
+		.num_resources = ARRAY_SIZE(timer ## n ## _resources),	\
+		.resource = timer ## n ## _resources,			\
 	}
-};
 
-struct platform_device mxc_gpt1 = {
-	.name = "imx_gpt",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(timer1_resources),
-	.resource = timer1_resources,
-};
-
-static struct resource timer2_resources[] = {
-	{
-		.start	= GPT3_BASE_ADDR,
-		.end	= GPT3_BASE_ADDR + 0x17,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start   = MXC_INT_GPT3,
-		.end     = MXC_INT_GPT3,
-		.flags   = IORESOURCE_IRQ,
-	}
-};
-
-struct platform_device mxc_gpt2 = {
-	.name = "imx_gpt",
-	.id = 2,
-	.num_resources = ARRAY_SIZE(timer2_resources),
-	.resource = timer2_resources,
-};
+/* We use gpt1 as system timer, so do not add a device for this one */
+DEFINE_IMX_GPT_DEVICE(1, MX2x_GPT2_BASE_ADDR, MX2x_INT_GPT2);
+DEFINE_IMX_GPT_DEVICE(2, MX2x_GPT3_BASE_ADDR, MX2x_INT_GPT3);
 
 #ifdef CONFIG_MACH_MX27
-static struct resource timer3_resources[] = {
-	{
-		.start	= GPT4_BASE_ADDR,
-		.end	= GPT4_BASE_ADDR + 0x17,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start   = MXC_INT_GPT4,
-		.end     = MXC_INT_GPT4,
-		.flags   = IORESOURCE_IRQ,
-	}
-};
-
-struct platform_device mxc_gpt3 = {
-	.name = "imx_gpt",
-	.id = 3,
-	.num_resources = ARRAY_SIZE(timer3_resources),
-	.resource = timer3_resources,
-};
-
-static struct resource timer4_resources[] = {
-	{
-		.start	= GPT5_BASE_ADDR,
-		.end	= GPT5_BASE_ADDR + 0x17,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start   = MXC_INT_GPT5,
-		.end     = MXC_INT_GPT5,
-		.flags   = IORESOURCE_IRQ,
-	}
-};
-
-struct platform_device mxc_gpt4 = {
-	.name = "imx_gpt",
-	.id = 4,
-	.num_resources = ARRAY_SIZE(timer4_resources),
-	.resource = timer4_resources,
-};
-
-static struct resource timer5_resources[] = {
-	{
-		.start	= GPT6_BASE_ADDR,
-		.end	= GPT6_BASE_ADDR + 0x17,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start   = MXC_INT_GPT6,
-		.end     = MXC_INT_GPT6,
-		.flags   = IORESOURCE_IRQ,
-	}
-};
-
-struct platform_device mxc_gpt5 = {
-	.name = "imx_gpt",
-	.id = 5,
-	.num_resources = ARRAY_SIZE(timer5_resources),
-	.resource = timer5_resources,
-};
+DEFINE_IMX_GPT_DEVICE(3, MX27_GPT4_BASE_ADDR, MX27_INT_GPT4);
+DEFINE_IMX_GPT_DEVICE(4, MX27_GPT5_BASE_ADDR, MX27_INT_GPT5);
+DEFINE_IMX_GPT_DEVICE(5, MX27_GPT6_BASE_ADDR, MX27_INT_GPT6);
 #endif
 
 /*
@@ -220,9 +117,9 @@ struct platform_device mxc_gpt5 = {
  */
 static struct resource mxc_wdt_resources[] = {
 	{
-		.start	= WDOG_BASE_ADDR,
-		.end	= WDOG_BASE_ADDR + 0x30,
-		.flags	= IORESOURCE_MEM,
+		.start = MX2x_WDOG_BASE_ADDR,
+		.end = MX2x_WDOG_BASE_ADDR + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
 	},
 };
 
@@ -235,8 +132,8 @@ struct platform_device mxc_wdt = {
 
 static struct resource mxc_w1_master_resources[] = {
 	{
-		.start = OWIRE_BASE_ADDR,
-		.end   = OWIRE_BASE_ADDR + SZ_4K - 1,
+		.start = MX2x_OWIRE_BASE_ADDR,
+		.end = MX2x_OWIRE_BASE_ADDR + SZ_4K - 1,
 		.flags = IORESOURCE_MEM,
 	},
 };
@@ -248,24 +145,33 @@ struct platform_device mxc_w1_master_device = {
 	.resource = mxc_w1_master_resources,
 };
 
-static struct resource mxc_nand_resources[] = {
-	{
-		.start	= NFC_BASE_ADDR,
-		.end	= NFC_BASE_ADDR + 0xfff,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start	= MXC_INT_NANDFC,
-		.end	= MXC_INT_NANDFC,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
+#define DEFINE_MXC_NAND_DEVICE(pfx, baseaddr, irq)			\
+	static struct resource pfx ## _nand_resources[] = {		\
+		{							\
+			.start = baseaddr,				\
+			.end = baseaddr + SZ_4K - 1,			\
+			.flags = IORESOURCE_MEM,			\
+		}, {							\
+			.start = irq,					\
+			.end = irq,					\
+			.flags = IORESOURCE_IRQ,			\
+		},							\
+	};								\
+									\
+	struct platform_device pfx ## _nand_device = {			\
+		.name = "mxc_nand",					\
+		.id = 0,						\
+		.num_resources = ARRAY_SIZE(pfx ## _nand_resources),	\
+		.resource = pfx ## _nand_resources,			\
+	}
 
-struct platform_device mxc_nand_device = {
-	.name = "mxc_nand",
-	.id = 0,
-	.num_resources = ARRAY_SIZE(mxc_nand_resources),
-	.resource = mxc_nand_resources,
-};
+#ifdef CONFIG_MACH_MX21
+DEFINE_MXC_NAND_DEVICE(imx21, MX21_NFC_BASE_ADDR, MX21_INT_NANDFC);
+#endif
+
+#ifdef CONFIG_MACH_MX27
+DEFINE_MXC_NAND_DEVICE(imx27, MX27_NFC_BASE_ADDR, MX27_INT_NANDFC);
+#endif
 
 /*
  * lcdc:
@@ -275,12 +181,12 @@ struct platform_device mxc_nand_device = {
  */
 static struct resource mxc_fb[] = {
 	{
-		.start = LCDC_BASE_ADDR,
-		.end   = LCDC_BASE_ADDR + 0xFFF,
+		.start = MX2x_LCDC_BASE_ADDR,
+		.end = MX2x_LCDC_BASE_ADDR + SZ_4K - 1,
 		.flags = IORESOURCE_MEM,
 	}, {
-		.start = MXC_INT_LCDC,
-		.end   = MXC_INT_LCDC,
+		.start = MX2x_INT_LCDC,
+		.end = MX2x_INT_LCDC,
 		.flags = IORESOURCE_IRQ,
 	}
 };
@@ -292,20 +198,20 @@ struct platform_device mxc_fb_device = {
 	.num_resources = ARRAY_SIZE(mxc_fb),
 	.resource = mxc_fb,
 	.dev = {
-		.coherent_dma_mask = 0xFFFFFFFF,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
 	},
 };
 
 #ifdef CONFIG_MACH_MX27
 static struct resource mxc_fec_resources[] = {
 	{
-		.start	= FEC_BASE_ADDR,
-		.end	= FEC_BASE_ADDR + 0xfff,
-		.flags	= IORESOURCE_MEM,
+		.start = MX27_FEC_BASE_ADDR,
+		.end = MX27_FEC_BASE_ADDR + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
 	}, {
-		.start	= MXC_INT_FEC,
-		.end	= MXC_INT_FEC,
-		.flags	= IORESOURCE_IRQ,
+		.start = MX27_INT_FEC,
+		.end = MX27_INT_FEC,
+		.flags = IORESOURCE_IRQ,
 	},
 };
 
@@ -317,55 +223,41 @@ struct platform_device mxc_fec_device = {
 };
 #endif
 
-static struct resource mxc_i2c_1_resources[] = {
-	{
-		.start	= I2C_BASE_ADDR,
-		.end	= I2C_BASE_ADDR + 0x0fff,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start	= MXC_INT_I2C,
-		.end	= MXC_INT_I2C,
-		.flags	= IORESOURCE_IRQ,
+#define DEFINE_IMX_I2C_DEVICE(n, baseaddr, irq)				\
+	static struct resource mxc_i2c_resources ## n[] = {		\
+		{							\
+			.start = baseaddr,				\
+			.end = baseaddr + SZ_4K - 1,			\
+			.flags = IORESOURCE_MEM,			\
+		}, {							\
+			.start = irq,					\
+			.end = irq,					\
+			.flags = IORESOURCE_IRQ,			\
+		}							\
+	};								\
+									\
+	struct platform_device mxc_i2c_device ## n = {			\
+		.name = "imx-i2c",					\
+		.id = n,						\
+		.num_resources = ARRAY_SIZE(mxc_i2c_resources ## n),	\
+		.resource = mxc_i2c_resources ## n,			\
 	}
-};
 
-struct platform_device mxc_i2c_device0 = {
-	.name = "imx-i2c",
-	.id = 0,
-	.num_resources = ARRAY_SIZE(mxc_i2c_1_resources),
-	.resource = mxc_i2c_1_resources,
-};
+DEFINE_IMX_I2C_DEVICE(0, MX2x_I2C_BASE_ADDR, MX2x_INT_I2C);
 
 #ifdef CONFIG_MACH_MX27
-static struct resource mxc_i2c_2_resources[] = {
-	{
-		.start	= I2C2_BASE_ADDR,
-		.end	= I2C2_BASE_ADDR + 0x0fff,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start	= MXC_INT_I2C2,
-		.end	= MXC_INT_I2C2,
-		.flags	= IORESOURCE_IRQ,
-	}
-};
-
-struct platform_device mxc_i2c_device1 = {
-	.name = "imx-i2c",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(mxc_i2c_2_resources),
-	.resource = mxc_i2c_2_resources,
-};
+DEFINE_IMX_I2C_DEVICE(1, MX27_I2C2_BASE_ADDR, MX27_INT_I2C2);
 #endif
 
 static struct resource mxc_pwm_resources[] = {
 	{
-		.start	= PWM_BASE_ADDR,
-		.end	= PWM_BASE_ADDR + 0x0fff,
-		.flags	= IORESOURCE_MEM,
+		.start = MX2x_PWM_BASE_ADDR,
+		.end = MX2x_PWM_BASE_ADDR + SZ_4K - 1,
+		.flags = IORESOURCE_MEM,
 	}, {
-		.start   = MXC_INT_PWM,
-		.end     = MXC_INT_PWM,
-		.flags   = IORESOURCE_IRQ,
+		.start = MX2x_INT_PWM,
+		.end = MX2x_INT_PWM,
+		.flags = IORESOURCE_IRQ,
 	}
 };
 
@@ -376,81 +268,53 @@ struct platform_device mxc_pwm_device = {
 	.resource = mxc_pwm_resources,
 };
 
-/*
- * Resource definition for the MXC SDHC
- */
-static struct resource mxc_sdhc1_resources[] = {
-	{
-		.start = SDHC1_BASE_ADDR,
-		.end   = SDHC1_BASE_ADDR + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = MXC_INT_SDHC1,
-		.end   = MXC_INT_SDHC1,
-		.flags = IORESOURCE_IRQ,
-	}, {
-		.start  = DMA_REQ_SDHC1,
-		.end    = DMA_REQ_SDHC1,
-		.flags  = IORESOURCE_DMA,
-	},
-};
-
-static u64 mxc_sdhc1_dmamask = 0xffffffffUL;
-
-struct platform_device mxc_sdhc_device0 = {
-       .name           = "mxc-mmc",
-       .id             = 0,
-       .dev            = {
-               .dma_mask = &mxc_sdhc1_dmamask,
-               .coherent_dma_mask = 0xffffffff,
-       },
-       .num_resources  = ARRAY_SIZE(mxc_sdhc1_resources),
-       .resource       = mxc_sdhc1_resources,
-};
-
-static struct resource mxc_sdhc2_resources[] = {
-	{
-		.start = SDHC2_BASE_ADDR,
-		.end   = SDHC2_BASE_ADDR + SZ_4K - 1,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = MXC_INT_SDHC2,
-		.end   = MXC_INT_SDHC2,
-		.flags = IORESOURCE_IRQ,
-	}, {
-		.start  = DMA_REQ_SDHC2,
-		.end    = DMA_REQ_SDHC2,
-		.flags  = IORESOURCE_DMA,
-	},
-};
+#define DEFINE_MXC_MMC_DEVICE(n, baseaddr, irq, dmareq)			\
+	static struct resource mxc_sdhc_resources ## n[] = {		\
+		{							\
+			.start = baseaddr,				\
+			.end = baseaddr + SZ_4K - 1,			\
+			.flags = IORESOURCE_MEM,			\
+		}, {							\
+			.start = irq,					\
+			.end = irq,					\
+			.flags = IORESOURCE_IRQ,			\
+		}, {							\
+			.start = dmareq,				\
+			.end = dmareq,					\
+			.flags = IORESOURCE_DMA,			\
+		},							\
+	};								\
+									\
+	static u64 mxc_sdhc ## n ## _dmamask = DMA_BIT_MASK(32);	\
+									\
+	struct platform_device mxc_sdhc_device ## n = {			\
+		.name = "mxc-mmc",					\
+		.id = n,						\
+		.dev = {						\
+			.dma_mask = &mxc_sdhc ## n ## _dmamask,		\
+			.coherent_dma_mask = DMA_BIT_MASK(32),		\
+		},							\
+		.num_resources = ARRAY_SIZE(mxc_sdhc_resources ## n),	\
+		.resource = mxc_sdhc_resources ## n,		\
+	}
 
-static u64 mxc_sdhc2_dmamask = 0xffffffffUL;
-
-struct platform_device mxc_sdhc_device1 = {
-       .name           = "mxc-mmc",
-       .id             = 1,
-       .dev            = {
-               .dma_mask = &mxc_sdhc2_dmamask,
-               .coherent_dma_mask = 0xffffffff,
-       },
-       .num_resources  = ARRAY_SIZE(mxc_sdhc2_resources),
-       .resource       = mxc_sdhc2_resources,
-};
+DEFINE_MXC_MMC_DEVICE(0, MX2x_SDHC1_BASE_ADDR, MX2x_INT_SDHC1, MX2x_DMA_REQ_SDHC1);
+DEFINE_MXC_MMC_DEVICE(1, MX2x_SDHC2_BASE_ADDR, MX2x_INT_SDHC2, MX2x_DMA_REQ_SDHC2);
 
 #ifdef CONFIG_MACH_MX27
 static struct resource otg_resources[] = {
 	{
-		.start	= OTG_BASE_ADDR,
-		.end	= OTG_BASE_ADDR + 0x1ff,
-		.flags	= IORESOURCE_MEM,
+		.start = MX27_USBOTG_BASE_ADDR,
+		.end = MX27_USBOTG_BASE_ADDR + 0x1ff,
+		.flags = IORESOURCE_MEM,
 	}, {
-		.start	= MXC_INT_USB3,
-		.end	= MXC_INT_USB3,
-		.flags	= IORESOURCE_IRQ,
+		.start = MX27_INT_USB3,
+		.end = MX27_INT_USB3,
+		.flags = IORESOURCE_IRQ,
 	},
 };
 
-static u64 otg_dmamask = 0xffffffffUL;
+static u64 otg_dmamask = DMA_BIT_MASK(32);
 
 /* OTG gadget device */
 struct platform_device mxc_otg_udc_device = {
@@ -458,7 +322,7 @@ struct platform_device mxc_otg_udc_device = {
 	.id		= -1,
 	.dev		= {
 		.dma_mask		= &otg_dmamask,
-		.coherent_dma_mask	= 0xffffffffUL,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
 	},
 	.resource	= otg_resources,
 	.num_resources	= ARRAY_SIZE(otg_resources),
@@ -469,7 +333,7 @@ struct platform_device mxc_otg_host = {
 	.name = "mxc-ehci",
 	.id = 0,
 	.dev = {
-		.coherent_dma_mask = 0xffffffff,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
 		.dma_mask = &otg_dmamask,
 	},
 	.resource = otg_resources,
@@ -478,16 +342,16 @@ struct platform_device mxc_otg_host = {
 
 /* USB host 1 */
 
-static u64 usbh1_dmamask = 0xffffffffUL;
+static u64 usbh1_dmamask = DMA_BIT_MASK(32);
 
 static struct resource mxc_usbh1_resources[] = {
 	{
-		.start = OTG_BASE_ADDR + 0x200,
-		.end = OTG_BASE_ADDR + 0x3ff,
+		.start = MX27_USBOTG_BASE_ADDR + 0x200,
+		.end = MX27_USBOTG_BASE_ADDR + 0x3ff,
 		.flags = IORESOURCE_MEM,
 	}, {
-		.start = MXC_INT_USB1,
-		.end = MXC_INT_USB1,
+		.start = MX27_INT_USB1,
+		.end = MX27_INT_USB1,
 		.flags = IORESOURCE_IRQ,
 	},
 };
@@ -496,7 +360,7 @@ struct platform_device mxc_usbh1 = {
 	.name = "mxc-ehci",
 	.id = 1,
 	.dev = {
-		.coherent_dma_mask = 0xffffffff,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
 		.dma_mask = &usbh1_dmamask,
 	},
 	.resource = mxc_usbh1_resources,
@@ -504,16 +368,16 @@ struct platform_device mxc_usbh1 = {
 };
 
 /* USB host 2 */
-static u64 usbh2_dmamask = 0xffffffffUL;
+static u64 usbh2_dmamask = DMA_BIT_MASK(32);
 
 static struct resource mxc_usbh2_resources[] = {
 	{
-		.start = OTG_BASE_ADDR + 0x400,
-		.end = OTG_BASE_ADDR + 0x5ff,
+		.start = MX27_USBOTG_BASE_ADDR + 0x400,
+		.end = MX27_USBOTG_BASE_ADDR + 0x5ff,
 		.flags = IORESOURCE_MEM,
 	}, {
-		.start = MXC_INT_USB2,
-		.end = MXC_INT_USB2,
+		.start = MX27_INT_USB2,
+		.end = MX27_INT_USB2,
 		.flags = IORESOURCE_IRQ,
 	},
 };
@@ -522,7 +386,7 @@ struct platform_device mxc_usbh2 = {
 	.name = "mxc-ehci",
 	.id = 2,
 	.dev = {
-		.coherent_dma_mask = 0xffffffff,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
 		.dma_mask = &usbh2_dmamask,
 	},
 	.resource = mxc_usbh2_resources,
@@ -530,115 +394,115 @@ struct platform_device mxc_usbh2 = {
 };
 #endif
 
-static struct resource imx_ssi_resources0[] = {
-	{
-		.start	= SSI1_BASE_ADDR,
-		.end	= SSI1_BASE_ADDR + 0x6F,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start	= MXC_INT_SSI1,
-		.end	= MXC_INT_SSI1,
-		.flags	= IORESOURCE_IRQ,
-	}, {
-		.name	= "tx0",
-		.start	= DMA_REQ_SSI1_TX0,
-		.end	= DMA_REQ_SSI1_TX0,
-		.flags	= IORESOURCE_DMA,
-	}, {
-		.name	= "rx0",
-		.start	= DMA_REQ_SSI1_RX0,
-		.end	= DMA_REQ_SSI1_RX0,
-		.flags	= IORESOURCE_DMA,
-	}, {
-		.name	= "tx1",
-		.start	= DMA_REQ_SSI1_TX1,
-		.end	= DMA_REQ_SSI1_TX1,
-		.flags	= IORESOURCE_DMA,
-	}, {
-		.name	= "rx1",
-		.start	= DMA_REQ_SSI1_RX1,
-		.end	= DMA_REQ_SSI1_RX1,
-		.flags	= IORESOURCE_DMA,
-	},
-};
-
-static struct resource imx_ssi_resources1[] = {
-	{
-		.start	= SSI2_BASE_ADDR,
-		.end	= SSI2_BASE_ADDR + 0x6F,
-		.flags	= IORESOURCE_MEM,
-	}, {
-		.start	= MXC_INT_SSI2,
-		.end	= MXC_INT_SSI2,
-		.flags	= IORESOURCE_IRQ,
-	}, {
-		.name	= "tx0",
-		.start	= DMA_REQ_SSI2_TX0,
-		.end	= DMA_REQ_SSI2_TX0,
-		.flags	= IORESOURCE_DMA,
-	}, {
-		.name	= "rx0",
-		.start	= DMA_REQ_SSI2_RX0,
-		.end	= DMA_REQ_SSI2_RX0,
-		.flags	= IORESOURCE_DMA,
-	}, {
-		.name	= "tx1",
-		.start	= DMA_REQ_SSI2_TX1,
-		.end	= DMA_REQ_SSI2_TX1,
-		.flags	= IORESOURCE_DMA,
-	}, {
-		.name	= "rx1",
-		.start	= DMA_REQ_SSI2_RX1,
-		.end	= DMA_REQ_SSI2_RX1,
-		.flags	= IORESOURCE_DMA,
-	},
-};
+#define DEFINE_IMX_SSI_DMARES(_name, ssin, suffix)			\
+	{								\
+		.name = _name,						\
+		.start = MX2x_DMA_REQ_SSI ## ssin ## _ ## suffix,	\
+		.end = MX2x_DMA_REQ_SSI ## ssin ## _ ## suffix,		\
+		.flags = IORESOURCE_DMA,				\
+	}
 
-struct platform_device imx_ssi_device0 = {
-	.name = "imx-ssi",
-	.id = 0,
-	.num_resources = ARRAY_SIZE(imx_ssi_resources0),
-	.resource = imx_ssi_resources0,
-};
+#define DEFINE_IMX_SSI_DEVICE(n, ssin, baseaddr, irq)			\
+	static struct resource imx_ssi_resources ## n[] = {		\
+		{							\
+			.start = MX2x_SSI ## ssin ## _BASE_ADDR,	\
+			.end = MX2x_SSI ## ssin ## _BASE_ADDR + 0x6f,	\
+			.flags = IORESOURCE_MEM,			\
+		}, {							\
+			.start = MX2x_INT_SSI1,				\
+			.end = MX2x_INT_SSI1,				\
+			.flags = IORESOURCE_IRQ,			\
+		},							\
+		DEFINE_IMX_SSI_DMARES("tx0", ssin, TX0),		\
+		DEFINE_IMX_SSI_DMARES("rx0", ssin, RX0),		\
+		DEFINE_IMX_SSI_DMARES("tx1", ssin, TX1),		\
+		DEFINE_IMX_SSI_DMARES("rx1", ssin, RX1),		\
+	};								\
+									\
+	struct platform_device imx_ssi_device ## n = {			\
+		.name = "imx-ssi",					\
+		.id = n,						\
+		.num_resources = ARRAY_SIZE(imx_ssi_resources ## n),	\
+		.resource = imx_ssi_resources ## n,			\
+	}
 
-struct platform_device imx_ssi_device1 = {
-	.name = "imx-ssi",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(imx_ssi_resources1),
-	.resource = imx_ssi_resources1,
-};
+DEFINE_IMX_SSI_DEVICE(0, 1, MX2x_SSI1_BASE_ADDR, MX2x_INT_SSI1);
+DEFINE_IMX_SSI_DEVICE(1, 2, MX2x_SSI1_BASE_ADDR, MX2x_INT_SSI1);
 
 /* GPIO port description */
-static struct mxc_gpio_port imx_gpio_ports[] = {
-	{
-		.chip.label = "gpio-0",
-		.irq = MXC_INT_GPIO,
-		.base = IO_ADDRESS(GPIO_BASE_ADDR),
-		.virtual_irq_start = MXC_GPIO_IRQ_START,
-	}, {
-		.chip.label = "gpio-1",
-		.base = IO_ADDRESS(GPIO_BASE_ADDR + 0x100),
-		.virtual_irq_start = MXC_GPIO_IRQ_START + 32,
-	}, {
-		.chip.label = "gpio-2",
-		.base = IO_ADDRESS(GPIO_BASE_ADDR + 0x200),
-		.virtual_irq_start = MXC_GPIO_IRQ_START + 64,
-	}, {
-		.chip.label = "gpio-3",
-		.base = IO_ADDRESS(GPIO_BASE_ADDR + 0x300),
-		.virtual_irq_start = MXC_GPIO_IRQ_START + 96,
-	}, {
-		.chip.label = "gpio-4",
-		.base = IO_ADDRESS(GPIO_BASE_ADDR + 0x400),
-		.virtual_irq_start = MXC_GPIO_IRQ_START + 128,
-	}, {
-		.chip.label = "gpio-5",
-		.base = IO_ADDRESS(GPIO_BASE_ADDR + 0x500),
-		.virtual_irq_start = MXC_GPIO_IRQ_START + 160,
+#define DEFINE_MXC_GPIO_PORT_IRQ(SOC, n, _irq)				\
+	{								\
+		.chip.label = "gpio-" #n,				\
+		.irq = _irq,						\
+		.base = SOC ## _IO_ADDRESS(MX2x_GPIO_BASE_ADDR +	\
+				n * 0x100),				\
+		.virtual_irq_start = MXC_GPIO_IRQ_START + n * 32,	\
 	}
-};
+
+#define DEFINE_MXC_GPIO_PORT(SOC, n)					\
+	{								\
+		.chip.label = "gpio-" #n,				\
+		.base = SOC ## _IO_ADDRESS(MX2x_GPIO_BASE_ADDR +	\
+				n * 0x100),				\
+		.virtual_irq_start = MXC_GPIO_IRQ_START + n * 32,	\
+	}
+
+#define DEFINE_MXC_GPIO_PORTS(SOC, pfx)					\
+	static struct mxc_gpio_port pfx ## _gpio_ports[] = {		\
+		DEFINE_MXC_GPIO_PORT_IRQ(SOC, 0, SOC ## _INT_GPIO),	\
+		DEFINE_MXC_GPIO_PORT(SOC, 1),				\
+		DEFINE_MXC_GPIO_PORT(SOC, 2),				\
+		DEFINE_MXC_GPIO_PORT(SOC, 3),				\
+		DEFINE_MXC_GPIO_PORT(SOC, 4),				\
+		DEFINE_MXC_GPIO_PORT(SOC, 5),				\
+	}
+
+#ifdef CONFIG_MACH_MX21
+DEFINE_MXC_GPIO_PORTS(MX21, imx21);
+#endif
+
+#ifdef CONFIG_MACH_MX27
+DEFINE_MXC_GPIO_PORTS(MX27, imx27);
+#endif
 
 int __init mxc_register_gpios(void)
 {
-	return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
+#ifdef CONFIG_MACH_MX21
+	if (cpu_is_mx21())
+		return mxc_gpio_init(imx21_gpio_ports, ARRAY_SIZE(imx21_gpio_ports));
+	else
+#endif
+#ifdef CONFIG_MACH_MX27
+	if (cpu_is_mx27())
+		return mxc_gpio_init(imx27_gpio_ports, ARRAY_SIZE(imx27_gpio_ports));
+	else
+#endif
+		return 0;
 }
+
+#ifdef CONFIG_MACH_MX21
+static struct resource mx21_usbhc_resources[] = {
+	{
+		.start	= MX21_BASE_ADDR,
+		.end	= MX21_BASE_ADDR + 0x1FFF,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start		= MX21_INT_USBHOST,
+		.end		= MX21_INT_USBHOST,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device mx21_usbhc_device = {
+	.name		= "imx21-hcd",
+	.id		= 0,
+	.dev		= {
+		.dma_mask = &mx21_usbhc_device.dev.coherent_dma_mask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+	.num_resources	= ARRAY_SIZE(mx21_usbhc_resources),
+	.resource	= mx21_usbhc_resources,
+};
+#endif
+
diff --git a/arch/arm/mach-mx2/devices.h b/arch/arm/mach-mx2/devices.h
index 97306aa18f1c..84ed51380174 100644
--- a/arch/arm/mach-mx2/devices.h
+++ b/arch/arm/mach-mx2/devices.h
@@ -1,8 +1,10 @@
 extern struct platform_device mxc_gpt1;
 extern struct platform_device mxc_gpt2;
+#ifdef CONFIG_MACH_MX27
 extern struct platform_device mxc_gpt3;
 extern struct platform_device mxc_gpt4;
 extern struct platform_device mxc_gpt5;
+#endif
 extern struct platform_device mxc_wdt;
 extern struct platform_device mxc_uart_device0;
 extern struct platform_device mxc_uart_device1;
@@ -11,12 +13,19 @@ extern struct platform_device mxc_uart_device3;
 extern struct platform_device mxc_uart_device4;
 extern struct platform_device mxc_uart_device5;
 extern struct platform_device mxc_w1_master_device;
-extern struct platform_device mxc_nand_device;
+#ifdef CONFIG_MACH_MX21
+extern struct platform_device imx21_nand_device;
+#endif
+#ifdef CONFIG_MACH_MX27
+extern struct platform_device imx27_nand_device;
+#endif
 extern struct platform_device mxc_fb_device;
 extern struct platform_device mxc_fec_device;
 extern struct platform_device mxc_pwm_device;
 extern struct platform_device mxc_i2c_device0;
+#ifdef CONFIG_MACH_MX27
 extern struct platform_device mxc_i2c_device1;
+#endif
 extern struct platform_device mxc_sdhc_device0;
 extern struct platform_device mxc_sdhc_device1;
 extern struct platform_device mxc_otg_udc_device;
@@ -25,6 +34,9 @@ extern struct platform_device mxc_usbh1;
 extern struct platform_device mxc_usbh2;
 extern struct platform_device mxc_spi_device0;
 extern struct platform_device mxc_spi_device1;
+#ifdef CONFIG_MACH_MX27
 extern struct platform_device mxc_spi_device2;
+#endif
+extern struct platform_device mx21_usbhc_device;
 extern struct platform_device imx_ssi_device0;
 extern struct platform_device imx_ssi_device1;
diff --git a/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c b/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c
index 7382b6d27ee1..f3b169d5245f 100644
--- a/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c
+++ b/arch/arm/mach-mx2/eukrea_mbimx27-baseboard.c
@@ -28,7 +28,7 @@
 #include <asm/mach/arch.h>
 
 #include <mach/common.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/imxfb.h>
 #include <mach/hardware.h>
 #include <mach/mmc.h>
diff --git a/arch/arm/mach-mx2/eukrea_cpuimx27.c b/arch/arm/mach-mx2/mach-cpuimx27.c
index 7b187606682c..1f616dcaabc9 100644
--- a/arch/arm/mach-mx2/eukrea_cpuimx27.c
+++ b/arch/arm/mach-mx2/mach-cpuimx27.c
@@ -36,7 +36,7 @@
 #include <mach/common.h>
 #include <mach/hardware.h>
 #include <mach/i2c.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/imx-uart.h>
 #include <mach/mxc_nand.h>
 
@@ -142,28 +142,28 @@ static struct i2c_board_info eukrea_cpuimx27_i2c_devices[] = {
 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
 static struct plat_serial8250_port serial_platform_data[] = {
 	{
-		.mapbase = (unsigned long)(CS3_BASE_ADDR + 0x200000),
+		.mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x200000),
 		.irq = IRQ_GPIOB(23),
 		.uartclk = 14745600,
 		.regshift = 1,
 		.iotype = UPIO_MEM,
 		.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
 	}, {
-		.mapbase = (unsigned long)(CS3_BASE_ADDR + 0x400000),
+		.mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x400000),
 		.irq = IRQ_GPIOB(22),
 		.uartclk = 14745600,
 		.regshift = 1,
 		.iotype = UPIO_MEM,
 		.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
 	}, {
-		.mapbase = (unsigned long)(CS3_BASE_ADDR + 0x800000),
+		.mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x800000),
 		.irq = IRQ_GPIOB(27),
 		.uartclk = 14745600,
 		.regshift = 1,
 		.iotype = UPIO_MEM,
 		.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP,
 	}, {
-		.mapbase = (unsigned long)(CS3_BASE_ADDR + 0x1000000),
+		.mapbase = (unsigned long)(MX27_CS3_BASE_ADDR + 0x1000000),
 		.irq = IRQ_GPIOB(30),
 		.uartclk = 14745600,
 		.regshift = 1,
@@ -189,7 +189,8 @@ static void __init eukrea_cpuimx27_init(void)
 
 	mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
 
-	mxc_register_device(&mxc_nand_device, &eukrea_cpuimx27_nand_board_info);
+	mxc_register_device(&imx27_nand_device,
+			&eukrea_cpuimx27_nand_board_info);
 
 	i2c_register_board_info(0, eukrea_cpuimx27_i2c_devices,
 				ARRAY_SIZE(eukrea_cpuimx27_i2c_devices));
@@ -224,9 +225,9 @@ static struct sys_timer eukrea_cpuimx27_timer = {
 };
 
 MACHINE_START(CPUIMX27, "EUKREA CPUIMX27")
-	.phys_io        = AIPI_BASE_ADDR,
-	.io_pg_offst    = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io        = MX27_AIPI_BASE_ADDR,
+	.io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params    = MX27_PHYS_OFFSET + 0x100,
 	.map_io         = mx27_map_io,
 	.init_irq       = mx27_init_irq,
 	.init_machine   = eukrea_cpuimx27_init,
diff --git a/arch/arm/mach-mx2/mx27lite.c b/arch/arm/mach-mx2/mach-imx27lite.c
index 82ea227ea0cf..b5710bf18b96 100644
--- a/arch/arm/mach-mx2/mx27lite.c
+++ b/arch/arm/mach-mx2/mach-imx27lite.c
@@ -27,7 +27,7 @@
 #include <mach/hardware.h>
 #include <mach/common.h>
 #include <mach/imx-uart.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/board-mx27lite.h>
 
 #include "devices.h"
@@ -85,9 +85,9 @@ static struct sys_timer mx27lite_timer = {
 };
 
 MACHINE_START(IMX27LITE, "LogicPD i.MX27LITE")
-	.phys_io        = AIPI_BASE_ADDR,
-	.io_pg_offst    = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io        = MX27_AIPI_BASE_ADDR,
+	.io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params    = MX27_PHYS_OFFSET + 0x100,
 	.map_io         = mx27_map_io,
 	.init_irq       = mx27_init_irq,
 	.init_machine   = mx27lite_init,
diff --git a/arch/arm/mach-mx2/mx21ads.c b/arch/arm/mach-mx2/mach-mx21ads.c
index cf5f77cbc2f1..113e58d7cb40 100644
--- a/arch/arm/mach-mx2/mx21ads.c
+++ b/arch/arm/mach-mx2/mach-mx21ads.c
@@ -30,7 +30,7 @@
 #include <asm/mach/map.h>
 #include <mach/imx-uart.h>
 #include <mach/imxfb.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx21.h>
 #include <mach/mxc_nand.h>
 #include <mach/mmc.h>
 #include <mach/board-mx21ads.h>
@@ -118,8 +118,8 @@ static struct physmap_flash_data mx21ads_flash_data = {
 };
 
 static struct resource mx21ads_flash_resource = {
-	.start = CS0_BASE_ADDR,
-	.end = CS0_BASE_ADDR + 0x02000000 - 1,
+	.start = MX21_CS0_BASE_ADDR,
+	.end = MX21_CS0_BASE_ADDR + 0x02000000 - 1,
 	.flags = IORESOURCE_MEM,
 };
 
@@ -242,7 +242,7 @@ static struct map_desc mx21ads_io_desc[] __initdata = {
 	 */
 	{
 		.virtual = MX21ADS_MMIO_BASE_ADDR,
-		.pfn = __phys_to_pfn(CS1_BASE_ADDR),
+		.pfn = __phys_to_pfn(MX21_CS1_BASE_ADDR),
 		.length = MX21ADS_MMIO_SIZE,
 		.type = MT_DEVICE,
 	},
@@ -268,7 +268,7 @@ static void __init mx21ads_board_init(void)
 	mxc_register_device(&mxc_uart_device3, &uart_pdata);
 	mxc_register_device(&mxc_fb_device, &mx21ads_fb_data);
 	mxc_register_device(&mxc_sdhc_device0, &mx21ads_sdhc_pdata);
-	mxc_register_device(&mxc_nand_device, &mx21ads_nand_board_info);
+	mxc_register_device(&imx21_nand_device, &mx21ads_nand_board_info);
 
 	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 }
@@ -284,9 +284,9 @@ static struct sys_timer mx21ads_timer = {
 
 MACHINE_START(MX21ADS, "Freescale i.MX21ADS")
 	/* maintainer: Freescale Semiconductor, Inc. */
-	.phys_io        = AIPI_BASE_ADDR,
-	.io_pg_offst    = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io        = MX21_AIPI_BASE_ADDR,
+	.io_pg_offst    = ((MX21_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params    = MX21_PHYS_OFFSET + 0x100,
 	.map_io         = mx21ads_map_io,
 	.init_irq       = mx21_init_irq,
 	.init_machine   = mx21ads_board_init,
diff --git a/arch/arm/mach-mx2/mx27pdk.c b/arch/arm/mach-mx2/mach-mx27_3ds.c
index 6761d1b79e43..b2f4e0db3fb3 100644
--- a/arch/arm/mach-mx2/mx27pdk.c
+++ b/arch/arm/mach-mx2/mach-mx27_3ds.c
@@ -26,7 +26,7 @@
 #include <mach/hardware.h>
 #include <mach/common.h>
 #include <mach/imx-uart.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/board-mx27pdk.h>
 
 #include "devices.h"
@@ -85,9 +85,9 @@ static struct sys_timer mx27pdk_timer = {
 
 MACHINE_START(MX27_3DS, "Freescale MX27PDK")
 	/* maintainer: Freescale Semiconductor, Inc. */
-	.phys_io        = AIPI_BASE_ADDR,
-	.io_pg_offst    = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io        = MX27_AIPI_BASE_ADDR,
+	.io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params    = MX27_PHYS_OFFSET + 0x100,
 	.map_io         = mx27_map_io,
 	.init_irq       = mx27_init_irq,
 	.init_machine   = mx27pdk_init,
diff --git a/arch/arm/mach-mx2/mx27ads.c b/arch/arm/mach-mx2/mach-mx27ads.c
index 83e412b713e6..6ce323669e58 100644
--- a/arch/arm/mach-mx2/mx27ads.c
+++ b/arch/arm/mach-mx2/mach-mx27ads.c
@@ -33,7 +33,7 @@
 #include <asm/mach/map.h>
 #include <mach/gpio.h>
 #include <mach/imx-uart.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/board-mx27ads.h>
 #include <mach/mxc_nand.h>
 #include <mach/i2c.h>
@@ -290,7 +290,7 @@ static void __init mx27ads_board_init(void)
 	mxc_register_device(&mxc_uart_device3, &uart_pdata[3]);
 	mxc_register_device(&mxc_uart_device4, &uart_pdata[4]);
 	mxc_register_device(&mxc_uart_device5, &uart_pdata[5]);
-	mxc_register_device(&mxc_nand_device, &mx27ads_nand_board_info);
+	mxc_register_device(&imx27_nand_device, &mx27ads_nand_board_info);
 
 	/* only the i2c master 1 is used on this CPU card */
 	i2c_register_board_info(1, mx27ads_i2c_devices,
@@ -320,7 +320,7 @@ static struct sys_timer mx27ads_timer = {
 static struct map_desc mx27ads_io_desc[] __initdata = {
 	{
 		.virtual = PBC_BASE_ADDRESS,
-		.pfn = __phys_to_pfn(CS4_BASE_ADDR),
+		.pfn = __phys_to_pfn(MX27_CS4_BASE_ADDR),
 		.length = SZ_1M,
 		.type = MT_DEVICE,
 	},
@@ -334,9 +334,9 @@ static void __init mx27ads_map_io(void)
 
 MACHINE_START(MX27ADS, "Freescale i.MX27ADS")
 	/* maintainer: Freescale Semiconductor, Inc. */
-	.phys_io        = AIPI_BASE_ADDR,
-	.io_pg_offst    = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io        = MX27_AIPI_BASE_ADDR,
+	.io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params    = MX27_PHYS_OFFSET + 0x100,
 	.map_io         = mx27ads_map_io,
 	.init_irq       = mx27_init_irq,
 	.init_machine   = mx27ads_board_init,
diff --git a/arch/arm/mach-mx2/mxt_td60.c b/arch/arm/mach-mx2/mach-mxt_td60.c
index 8bcc1a5b8829..bc3855992677 100644
--- a/arch/arm/mach-mx2/mxt_td60.c
+++ b/arch/arm/mach-mx2/mach-mxt_td60.c
@@ -33,7 +33,7 @@
 #include <asm/mach/map.h>
 #include <linux/gpio.h>
 #include <mach/imx-uart.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/mxc_nand.h>
 #include <mach/i2c.h>
 #include <linux/i2c/pca953x.h>
@@ -257,7 +257,7 @@ static void __init mxt_td60_board_init(void)
 	mxc_register_device(&mxc_uart_device0, &uart_pdata[0]);
 	mxc_register_device(&mxc_uart_device1, &uart_pdata[1]);
 	mxc_register_device(&mxc_uart_device2, &uart_pdata[2]);
-	mxc_register_device(&mxc_nand_device, &mxt_td60_nand_board_info);
+	mxc_register_device(&imx27_nand_device, &mxt_td60_nand_board_info);
 
 	i2c_register_board_info(0, mxt_td60_i2c_devices,
 				ARRAY_SIZE(mxt_td60_i2c_devices));
@@ -284,9 +284,9 @@ static struct sys_timer mxt_td60_timer = {
 
 MACHINE_START(MXT_TD60, "Maxtrack i-MXT TD60")
 	/* maintainer: Maxtrack Industrial */
-	.phys_io	= AIPI_BASE_ADDR,
-	.io_pg_offst	= ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params	= PHYS_OFFSET + 0x100,
+	.phys_io	= MX27_AIPI_BASE_ADDR,
+	.io_pg_offst	= ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params	= MX27_PHYS_OFFSET + 0x100,
 	.map_io		= mx27_map_io,
 	.init_irq	= mx27_init_irq,
 	.init_machine	= mxt_td60_board_init,
diff --git a/arch/arm/mach-mx2/pca100.c b/arch/arm/mach-mx2/mach-pca100.c
index aea3d340d2e1..778fff230918 100644
--- a/arch/arm/mach-mx2/pca100.c
+++ b/arch/arm/mach-mx2/mach-pca100.c
@@ -25,25 +25,36 @@
 #include <linux/spi/spi.h>
 #include <linux/spi/eeprom.h>
 #include <linux/irq.h>
+#include <linux/delay.h>
 #include <linux/gpio.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
+#include <linux/fsl_devices.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
 #include <mach/common.h>
 #include <mach/hardware.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/i2c.h>
 #include <asm/mach/time.h>
 #if defined(CONFIG_SPI_IMX) || defined(CONFIG_SPI_IMX_MODULE)
 #include <mach/spi.h>
 #endif
 #include <mach/imx-uart.h>
+#include <mach/audmux.h>
+#include <mach/ssi.h>
 #include <mach/mxc_nand.h>
 #include <mach/irqs.h>
 #include <mach/mmc.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
 
 #include "devices.h"
 
+#define OTG_PHY_CS_GPIO (GPIO_PORTB + 23)
+#define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24)
+
 static int pca100_pins[] = {
 	/* UART1 */
 	PE12_PF_UART1_TXD,
@@ -92,6 +103,34 @@ static int pca100_pins[] = {
 	PD29_PF_CSPI1_SCLK,
 	PD30_PF_CSPI1_MISO,
 	PD31_PF_CSPI1_MOSI,
+	/* OTG */
+	OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
+	PC7_PF_USBOTG_DATA5,
+	PC8_PF_USBOTG_DATA6,
+	PC9_PF_USBOTG_DATA0,
+	PC10_PF_USBOTG_DATA2,
+	PC11_PF_USBOTG_DATA1,
+	PC12_PF_USBOTG_DATA4,
+	PC13_PF_USBOTG_DATA3,
+	PE0_PF_USBOTG_NXT,
+	PE1_PF_USBOTG_STP,
+	PE2_PF_USBOTG_DIR,
+	PE24_PF_USBOTG_CLK,
+	PE25_PF_USBOTG_DATA7,
+	/* USBH2 */
+	USBH2_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT,
+	PA0_PF_USBH2_CLK,
+	PA1_PF_USBH2_DIR,
+	PA2_PF_USBH2_DATA7,
+	PA3_PF_USBH2_NXT,
+	PA4_PF_USBH2_STP,
+	PD19_AF_USBH2_DATA4,
+	PD20_AF_USBH2_DATA3,
+	PD21_AF_USBH2_DATA6,
+	PD22_AF_USBH2_DATA0,
+	PD23_AF_USBH2_DATA2,
+	PD24_AF_USBH2_DATA1,
+	PD26_AF_USBH2_DATA5,
 };
 
 static struct imxuart_platform_data uart_pdata = {
@@ -157,6 +196,37 @@ static struct spi_imx_master pca100_spi_0_data = {
 };
 #endif
 
+static void pca100_ac97_warm_reset(struct snd_ac97 *ac97)
+{
+	mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT);
+	gpio_set_value(GPIO_PORTC + 20, 1);
+	udelay(2);
+	gpio_set_value(GPIO_PORTC + 20, 0);
+	mxc_gpio_mode(PC20_PF_SSI1_FS);
+	msleep(2);
+}
+
+static void pca100_ac97_cold_reset(struct snd_ac97 *ac97)
+{
+	mxc_gpio_mode(GPIO_PORTC | 20 | GPIO_GPIO | GPIO_OUT);  /* FS */
+	gpio_set_value(GPIO_PORTC + 20, 0);
+	mxc_gpio_mode(GPIO_PORTC | 22 | GPIO_GPIO | GPIO_OUT);  /* TX */
+	gpio_set_value(GPIO_PORTC + 22, 0);
+	mxc_gpio_mode(GPIO_PORTC | 28 | GPIO_GPIO | GPIO_OUT);  /* reset */
+	gpio_set_value(GPIO_PORTC + 28, 0);
+	udelay(10);
+	gpio_set_value(GPIO_PORTC + 28, 1);
+	mxc_gpio_mode(PC20_PF_SSI1_FS);
+	mxc_gpio_mode(PC22_PF_SSI1_TXD);
+	msleep(2);
+}
+
+static struct imx_ssi_platform_data pca100_ssi_pdata = {
+	.ac97_reset		= pca100_ac97_cold_reset,
+	.ac97_warm_reset	= pca100_ac97_warm_reset,
+	.flags			= IMX_SSI_USE_AC97,
+};
+
 static int pca100_sdhc2_init(struct device *dev, irq_handler_t detect_irq,
 		void *data)
 {
@@ -182,21 +252,79 @@ static struct imxmmc_platform_data sdhc_pdata = {
 	.exit = pca100_sdhc2_exit,
 };
 
+static int otg_phy_init(struct platform_device *pdev)
+{
+	gpio_set_value(OTG_PHY_CS_GPIO, 0);
+	return 0;
+}
+
+static struct mxc_usbh_platform_data otg_pdata = {
+	.init	= otg_phy_init,
+	.portsc	= MXC_EHCI_MODE_ULPI,
+	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+
+static int usbh2_phy_init(struct platform_device *pdev)
+{
+	gpio_set_value(USBH2_PHY_CS_GPIO, 0);
+	return 0;
+}
+
+static struct mxc_usbh_platform_data usbh2_pdata = {
+	.init	= usbh2_phy_init,
+	.portsc	= MXC_EHCI_MODE_ULPI,
+	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+
+static struct fsl_usb2_platform_data otg_device_pdata = {
+	.operating_mode = FSL_USB2_DR_DEVICE,
+	.phy_mode       = FSL_USB2_PHY_ULPI,
+};
+
+static int otg_mode_host;
+
+static int __init pca100_otg_mode(char *options)
+{
+	if (!strcmp(options, "host"))
+		otg_mode_host = 1;
+	else if (!strcmp(options, "device"))
+		otg_mode_host = 0;
+	else
+		pr_info("otg_mode neither \"host\" nor \"device\". "
+			"Defaulting to device\n");
+	return 0;
+}
+__setup("otg_mode=", pca100_otg_mode);
+
 static void __init pca100_init(void)
 {
 	int ret;
 
+	/* SSI unit */
+	mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
+				  MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */
+				  MXC_AUDMUX_V1_PCR_TFCSEL(3) |
+				  MXC_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */
+				  MXC_AUDMUX_V1_PCR_RXDSEL(3));
+	mxc_audmux_v1_configure_port(3,
+				  MXC_AUDMUX_V1_PCR_SYN | /* 4wire mode */
+				  MXC_AUDMUX_V1_PCR_TFCSEL(0) |
+				  MXC_AUDMUX_V1_PCR_TFSDIR |
+				  MXC_AUDMUX_V1_PCR_RXDSEL(0));
+
 	ret = mxc_gpio_setup_multiple_pins(pca100_pins,
 			ARRAY_SIZE(pca100_pins), "PCA100");
 	if (ret)
 		printk(KERN_ERR "pca100: Failed to setup pins (%d)\n", ret);
 
+	mxc_register_device(&imx_ssi_device0, &pca100_ssi_pdata);
+
 	mxc_register_device(&mxc_uart_device0, &uart_pdata);
 
 	mxc_gpio_mode(GPIO_PORTC | 29 | GPIO_GPIO | GPIO_IN);
 	mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata);
 
-	mxc_register_device(&mxc_nand_device, &pca100_nand_board_info);
+	mxc_register_device(&imx27_nand_device, &pca100_nand_board_info);
 
 	/* only the i2c master 1 is used on this CPU card */
 	i2c_register_board_info(1, pca100_i2c_devices,
@@ -220,6 +348,29 @@ static void __init pca100_init(void)
 	mxc_register_device(&mxc_spi_device0, &pca100_spi_0_data);
 #endif
 
+	gpio_request(OTG_PHY_CS_GPIO, "usb-otg-cs");
+	gpio_direction_output(OTG_PHY_CS_GPIO, 1);
+	gpio_request(USBH2_PHY_CS_GPIO, "usb-host2-cs");
+	gpio_direction_output(USBH2_PHY_CS_GPIO, 1);
+
+#if defined(CONFIG_USB_ULPI)
+	if (otg_mode_host) {
+		otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+				USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+
+		mxc_register_device(&mxc_otg_host, &otg_pdata);
+	}
+
+	usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+				USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+
+	mxc_register_device(&mxc_usbh2, &usbh2_pdata);
+#endif
+	if (!otg_mode_host) {
+		gpio_set_value(OTG_PHY_CS_GPIO, 0);
+		mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
+	}
+
 	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 }
 
@@ -233,9 +384,9 @@ static struct sys_timer pca100_timer = {
 };
 
 MACHINE_START(PCA100, "phyCARD-i.MX27")
-	.phys_io        = AIPI_BASE_ADDR,
-	.io_pg_offst    = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io        = MX27_AIPI_BASE_ADDR,
+	.io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params    = MX27_PHYS_OFFSET + 0x100,
 	.map_io         = mx27_map_io,
 	.init_irq       = mx27_init_irq,
 	.init_machine   = pca100_init,
diff --git a/arch/arm/mach-mx2/pcm038.c b/arch/arm/mach-mx2/mach-pcm038.c
index 906d59b0a7aa..035fbe046ec0 100644
--- a/arch/arm/mach-mx2/pcm038.c
+++ b/arch/arm/mach-mx2/mach-pcm038.c
@@ -36,10 +36,12 @@
 #include <mach/common.h>
 #include <mach/hardware.h>
 #include <mach/i2c.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/imx-uart.h>
 #include <mach/mxc_nand.h>
 #include <mach/spi.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
 
 #include "devices.h"
 
@@ -96,6 +98,19 @@ static int pcm038_pins[] = {
 	PC17_PF_SSI4_RXD,
 	PC18_PF_SSI4_TXD,
 	PC19_PF_SSI4_CLK,
+	/* USB host */
+	PA0_PF_USBH2_CLK,
+	PA1_PF_USBH2_DIR,
+	PA2_PF_USBH2_DATA7,
+	PA3_PF_USBH2_NXT,
+	PA4_PF_USBH2_STP,
+	PD19_AF_USBH2_DATA4,
+	PD20_AF_USBH2_DATA3,
+	PD21_AF_USBH2_DATA6,
+	PD22_AF_USBH2_DATA0,
+	PD23_AF_USBH2_DATA2,
+	PD24_AF_USBH2_DATA1,
+	PD26_AF_USBH2_DATA5,
 };
 
 /*
@@ -108,8 +123,8 @@ static struct platdata_mtd_ram pcm038_sram_data = {
 };
 
 static struct resource pcm038_sram_resource = {
-	.start = CS1_BASE_ADDR,
-	.end   = CS1_BASE_ADDR + 512 * 1024 - 1,
+	.start = MX27_CS1_BASE_ADDR,
+	.end   = MX27_CS1_BASE_ADDR + 512 * 1024 - 1,
 	.flags = IORESOURCE_MEM,
 };
 
@@ -173,9 +188,7 @@ static struct platform_device *platform_devices[] __initdata = {
  * setup other stuffs to access the sram. */
 static void __init pcm038_init_sram(void)
 {
-	__raw_writel(0x0000d843, CSCR_U(1));
-	__raw_writel(0x22252521, CSCR_L(1));
-	__raw_writel(0x22220a00, CSCR_A(1));
+	mx27_setup_weimcs(1, 0x0000d843, 0x22252521, 0x22220a00);
 }
 
 static struct imxi2c_platform_data pcm038_i2c_1_data = {
@@ -279,6 +292,11 @@ static struct spi_board_info pcm038_spi_board_info[] __initdata = {
 	}
 };
 
+static struct mxc_usbh_platform_data usbh2_pdata = {
+	.portsc	= MXC_EHCI_MODE_ULPI,
+	.flags	= MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+
 static void __init pcm038_init(void)
 {
 	mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins),
@@ -291,7 +309,7 @@ static void __init pcm038_init(void)
 	mxc_register_device(&mxc_uart_device2, &uart_pdata[2]);
 
 	mxc_gpio_mode(PE16_AF_OWIRE);
-	mxc_register_device(&mxc_nand_device, &pcm038_nand_board_info);
+	mxc_register_device(&imx27_nand_device, &pcm038_nand_board_info);
 
 	/* only the i2c master 1 is used on this CPU card */
 	i2c_register_board_info(1, pcm038_i2c_devices,
@@ -311,6 +329,8 @@ static void __init pcm038_init(void)
 	spi_register_board_info(pcm038_spi_board_info,
 				ARRAY_SIZE(pcm038_spi_board_info));
 
+	mxc_register_device(&mxc_usbh2, &usbh2_pdata);
+
 	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
 
 #ifdef CONFIG_MACH_PCM970_BASEBOARD
@@ -328,9 +348,9 @@ static struct sys_timer pcm038_timer = {
 };
 
 MACHINE_START(PCM038, "phyCORE-i.MX27")
-	.phys_io        = AIPI_BASE_ADDR,
-	.io_pg_offst    = ((AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io        = MX27_AIPI_BASE_ADDR,
+	.io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params    = MX27_PHYS_OFFSET + 0x100,
 	.map_io         = mx27_map_io,
 	.init_irq       = mx27_init_irq,
 	.init_machine   = pcm038_init,
diff --git a/arch/arm/mach-mx2/mm-imx21.c b/arch/arm/mach-mx2/mm-imx21.c
new file mode 100644
index 000000000000..64134314d012
--- /dev/null
+++ b/arch/arm/mach-mx2/mm-imx21.c
@@ -0,0 +1,83 @@
+/*
+ * arch/arm/mach-mx2/mm-imx21.c
+ *
+ * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <asm/pgtable.h>
+#include <asm/mach/map.h>
+
+/* MX21 memory map definition */
+static struct map_desc imx21_io_desc[] __initdata = {
+	/*
+	 * this fixed mapping covers:
+	 * - AIPI1
+	 * - AIPI2
+	 * - AITC
+	 * - ROM Patch
+	 * - and some reserved space
+	 */
+	{
+		.virtual = MX21_AIPI_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX21_AIPI_BASE_ADDR),
+		.length = MX21_AIPI_SIZE,
+		.type = MT_DEVICE
+	},
+	/*
+	 * this fixed mapping covers:
+	 * - CSI
+	 * - ATA
+	 */
+	{
+		.virtual = MX21_SAHB1_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX21_SAHB1_BASE_ADDR),
+		.length = MX21_SAHB1_SIZE,
+		.type = MT_DEVICE
+	},
+	/*
+	 * this fixed mapping covers:
+	 * - EMI
+	 */
+	{
+		.virtual = MX21_X_MEMC_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX21_X_MEMC_BASE_ADDR),
+		.length = MX21_X_MEMC_SIZE,
+		.type = MT_DEVICE
+	},
+};
+
+/*
+ * Initialize the memory map. It is called during the
+ * system startup to create static physical to virtual
+ * memory map for the IO modules.
+ */
+void __init mx21_map_io(void)
+{
+	mxc_set_cpu_type(MXC_CPU_MX21);
+	mxc_arch_reset_init(MX21_IO_ADDRESS(MX21_WDOG_BASE_ADDR));
+
+	iotable_init(imx21_io_desc, ARRAY_SIZE(imx21_io_desc));
+}
+
+void __init mx21_init_irq(void)
+{
+	mxc_init_irq(MX21_IO_ADDRESS(MX21_AVIC_BASE_ADDR));
+}
diff --git a/arch/arm/mach-mx2/generic.c b/arch/arm/mach-mx2/mm-imx27.c
index ae8f759134d1..3366ed44cfd5 100644
--- a/arch/arm/mach-mx2/generic.c
+++ b/arch/arm/mach-mx2/mm-imx27.c
@@ -1,5 +1,5 @@
 /*
- * generic.c
+ * arch/arm/mach-mx2/mm-imx27.c
  *
  * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
  *
@@ -26,7 +26,7 @@
 #include <asm/mach/map.h>
 
 /* MX27 memory map definition */
-static struct map_desc mxc_io_desc[] __initdata = {
+static struct map_desc imx27_io_desc[] __initdata = {
 	/*
 	 * this fixed mapping covers:
 	 * - AIPI1
@@ -36,9 +36,9 @@ static struct map_desc mxc_io_desc[] __initdata = {
 	 * - and some reserved space
 	 */
 	{
-		.virtual = AIPI_BASE_ADDR_VIRT,
-		.pfn = __phys_to_pfn(AIPI_BASE_ADDR),
-		.length = AIPI_SIZE,
+		.virtual = MX27_AIPI_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX27_AIPI_BASE_ADDR),
+		.length = MX27_AIPI_SIZE,
 		.type = MT_DEVICE
 	},
 	/*
@@ -47,9 +47,9 @@ static struct map_desc mxc_io_desc[] __initdata = {
 	 * - ATA
 	 */
 	{
-		.virtual = SAHB1_BASE_ADDR_VIRT,
-		.pfn = __phys_to_pfn(SAHB1_BASE_ADDR),
-		.length = SAHB1_SIZE,
+		.virtual = MX27_SAHB1_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX27_SAHB1_BASE_ADDR),
+		.length = MX27_SAHB1_SIZE,
 		.type = MT_DEVICE
 	},
 	/*
@@ -57,11 +57,11 @@ static struct map_desc mxc_io_desc[] __initdata = {
 	 * - EMI
 	 */
 	{
-		.virtual = X_MEMC_BASE_ADDR_VIRT,
-		.pfn = __phys_to_pfn(X_MEMC_BASE_ADDR),
-		.length = X_MEMC_SIZE,
+		.virtual = MX27_X_MEMC_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX27_X_MEMC_BASE_ADDR),
+		.length = MX27_X_MEMC_SIZE,
 		.type = MT_DEVICE
-	}
+	},
 };
 
 /*
@@ -69,29 +69,15 @@ static struct map_desc mxc_io_desc[] __initdata = {
  * system startup to create static physical to virtual
  * memory map for the IO modules.
  */
-void __init mx21_map_io(void)
-{
-	mxc_set_cpu_type(MXC_CPU_MX21);
-	mxc_arch_reset_init(IO_ADDRESS(WDOG_BASE_ADDR));
-
-	iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
-}
-
 void __init mx27_map_io(void)
 {
 	mxc_set_cpu_type(MXC_CPU_MX27);
-	mxc_arch_reset_init(IO_ADDRESS(WDOG_BASE_ADDR));
+	mxc_arch_reset_init(MX27_IO_ADDRESS(MX27_WDOG_BASE_ADDR));
 
-	iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
+	iotable_init(imx27_io_desc, ARRAY_SIZE(imx27_io_desc));
 }
 
 void __init mx27_init_irq(void)
 {
-	mxc_init_irq(IO_ADDRESS(AVIC_BASE_ADDR));
+	mxc_init_irq(MX27_IO_ADDRESS(MX27_AVIC_BASE_ADDR));
 }
-
-void __init mx21_init_irq(void)
-{
-	mx27_init_irq();
-}
-
diff --git a/arch/arm/mach-mx2/pcm970-baseboard.c b/arch/arm/mach-mx2/pcm970-baseboard.c
index 3cb7f457e5d0..4aafd5b8b85b 100644
--- a/arch/arm/mach-mx2/pcm970-baseboard.c
+++ b/arch/arm/mach-mx2/pcm970-baseboard.c
@@ -24,7 +24,7 @@
 #include <asm/mach/arch.h>
 
 #include <mach/common.h>
-#include <mach/iomux.h>
+#include <mach/iomux-mx27.h>
 #include <mach/imxfb.h>
 #include <mach/hardware.h>
 #include <mach/mmc.h>
@@ -190,8 +190,8 @@ static struct imx_fb_platform_data pcm038_fb_data = {
 
 static struct resource pcm970_sja1000_resources[] = {
 	{
-		.start   = CS4_BASE_ADDR,
-		.end     = CS4_BASE_ADDR + 0x100 - 1,
+		.start   = MX27_CS4_BASE_ADDR,
+		.end     = MX27_CS4_BASE_ADDR + 0x100 - 1,
 		.flags   = IORESOURCE_MEM,
 	}, {
 		.start   = IRQ_GPIOE(19),
diff --git a/arch/arm/mach-mx2/serial.c b/arch/arm/mach-mx2/serial.c
index 40a485cdc10e..1c0c835b2252 100644
--- a/arch/arm/mach-mx2/serial.c
+++ b/arch/arm/mach-mx2/serial.c
@@ -26,12 +26,12 @@
 
 static struct resource uart0[] = {
 	{
-		.start = UART1_BASE_ADDR,
-		.end = UART1_BASE_ADDR + 0x0B5,
+		.start = MX2x_UART1_BASE_ADDR,
+		.end = MX2x_UART1_BASE_ADDR + 0x0B5,
 		.flags = IORESOURCE_MEM,
 	}, {
-		.start = MXC_INT_UART1,
-		.end = MXC_INT_UART1,
+		.start = MX2x_INT_UART1,
+		.end = MX2x_INT_UART1,
 		.flags = IORESOURCE_IRQ,
 	},
 };
@@ -45,12 +45,12 @@ struct platform_device mxc_uart_device0 = {
 
 static struct resource uart1[] = {
 	{
-		.start = UART2_BASE_ADDR,
-		.end = UART2_BASE_ADDR + 0x0B5,
+		.start = MX2x_UART2_BASE_ADDR,
+		.end = MX2x_UART2_BASE_ADDR + 0x0B5,
 		.flags = IORESOURCE_MEM,
 	}, {
-		.start = MXC_INT_UART2,
-		.end = MXC_INT_UART2,
+		.start = MX2x_INT_UART2,
+		.end = MX2x_INT_UART2,
 		.flags = IORESOURCE_IRQ,
 	},
 };
@@ -64,12 +64,12 @@ struct platform_device mxc_uart_device1 = {
 
 static struct resource uart2[] = {
 	{
-		.start = UART3_BASE_ADDR,
-		.end = UART3_BASE_ADDR + 0x0B5,
+		.start = MX2x_UART3_BASE_ADDR,
+		.end = MX2x_UART3_BASE_ADDR + 0x0B5,
 		.flags = IORESOURCE_MEM,
 	}, {
-		.start = MXC_INT_UART3,
-		.end = MXC_INT_UART3,
+		.start = MX2x_INT_UART3,
+		.end = MX2x_INT_UART3,
 		.flags = IORESOURCE_IRQ,
 	},
 };
@@ -83,12 +83,12 @@ struct platform_device mxc_uart_device2 = {
 
 static struct resource uart3[] = {
 	{
-		.start = UART4_BASE_ADDR,
-		.end = UART4_BASE_ADDR + 0x0B5,
+		.start = MX2x_UART4_BASE_ADDR,
+		.end = MX2x_UART4_BASE_ADDR + 0x0B5,
 		.flags = IORESOURCE_MEM,
 	}, {
-		.start = MXC_INT_UART4,
-		.end = MXC_INT_UART4,
+		.start = MX2x_INT_UART4,
+		.end = MX2x_INT_UART4,
 		.flags = IORESOURCE_IRQ,
 	},
 };
@@ -103,12 +103,12 @@ struct platform_device mxc_uart_device3 = {
 #ifdef CONFIG_MACH_MX27
 static struct resource uart4[] = {
 	{
-		.start = UART5_BASE_ADDR,
-		.end = UART5_BASE_ADDR + 0x0B5,
+		.start = MX27_UART5_BASE_ADDR,
+		.end = MX27_UART5_BASE_ADDR + 0x0B5,
 		.flags = IORESOURCE_MEM,
 	}, {
-		.start = MXC_INT_UART5,
-		.end = MXC_INT_UART5,
+		.start = MX27_INT_UART5,
+		.end = MX27_INT_UART5,
 		.flags = IORESOURCE_IRQ,
 	},
 };
@@ -122,12 +122,12 @@ struct platform_device mxc_uart_device4 = {
 
 static struct resource uart5[] = {
 	{
-		.start = UART6_BASE_ADDR,
-		.end = UART6_BASE_ADDR + 0x0B5,
+		.start = MX27_UART6_BASE_ADDR,
+		.end = MX27_UART6_BASE_ADDR + 0x0B5,
 		.flags = IORESOURCE_MEM,
 	}, {
-		.start = MXC_INT_UART6,
-		.end = MXC_INT_UART6,
+		.start = MX27_INT_UART6,
+		.end = MX27_INT_UART6,
 		.flags = IORESOURCE_IRQ,
 	},
 };
diff --git a/arch/arm/mach-mx25/Kconfig b/arch/arm/mach-mx25/Kconfig
index cc28f56eae80..54d217314ee9 100644
--- a/arch/arm/mach-mx25/Kconfig
+++ b/arch/arm/mach-mx25/Kconfig
@@ -3,7 +3,6 @@ if ARCH_MX25
 comment "MX25 platforms:"
 
 config MACH_MX25_3DS
-	select ARCH_MXC_IOMUX_V3
 	bool "Support MX25PDK (3DS) Platform"
 
 endif
diff --git a/arch/arm/mach-mx25/Makefile b/arch/arm/mach-mx25/Makefile
index fe23836a9f3d..10cebc5ced8c 100644
--- a/arch/arm/mach-mx25/Makefile
+++ b/arch/arm/mach-mx25/Makefile
@@ -1,3 +1,3 @@
 obj-y				:= mm.o devices.o
 obj-$(CONFIG_ARCH_MX25)		+= clock.o
-obj-$(CONFIG_MACH_MX25_3DS)	+= mx25pdk.o
+obj-$(CONFIG_MACH_MX25_3DS)	+= mach-mx25pdk.o
diff --git a/arch/arm/mach-mx25/clock.c b/arch/arm/mach-mx25/clock.c
index 37e1359ad0c0..155014993b13 100644
--- a/arch/arm/mach-mx25/clock.c
+++ b/arch/arm/mach-mx25/clock.c
@@ -124,6 +124,11 @@ static unsigned long get_rate_gpt(struct clk *clk)
 	return get_rate_per(5);
 }
 
+static unsigned long get_rate_lcdc(struct clk *clk)
+{
+	return get_rate_per(7);
+}
+
 static unsigned long get_rate_otg(struct clk *clk)
 {
 	return 48000000; /* FIXME */
@@ -167,6 +172,8 @@ DEFINE_CLOCK(cspi1_clk,  0, CCM_CGCR1,  5, get_rate_ipg, NULL, NULL);
 DEFINE_CLOCK(cspi2_clk,  0, CCM_CGCR1,  6, get_rate_ipg, NULL, NULL);
 DEFINE_CLOCK(cspi3_clk,  0, CCM_CGCR1,  7, get_rate_ipg, NULL, NULL);
 DEFINE_CLOCK(fec_ahb_clk, 0, CCM_CGCR0, 23, NULL,	 NULL, NULL);
+DEFINE_CLOCK(lcdc_ahb_clk, 0, CCM_CGCR0, 24, NULL,	 NULL, NULL);
+DEFINE_CLOCK(lcdc_per_clk, 0, CCM_CGCR0,  7, NULL,	 NULL, &lcdc_ahb_clk);
 DEFINE_CLOCK(uart1_clk,  0, CCM_CGCR2, 14, get_rate_uart, NULL, &uart_per_clk);
 DEFINE_CLOCK(uart2_clk,  0, CCM_CGCR2, 15, get_rate_uart, NULL, &uart_per_clk);
 DEFINE_CLOCK(uart3_clk,  0, CCM_CGCR2, 16, get_rate_uart, NULL, &uart_per_clk);
@@ -182,6 +189,8 @@ DEFINE_CLOCK(kpp_clk,	 0, CCM_CGCR1, 28, get_rate_ipg, NULL, NULL);
 DEFINE_CLOCK(tsc_clk,	 0, CCM_CGCR2, 13, get_rate_ipg, NULL, NULL);
 DEFINE_CLOCK(i2c_clk,	 0, CCM_CGCR0,  6, get_rate_i2c, NULL, NULL);
 DEFINE_CLOCK(fec_clk,	 0, CCM_CGCR1, 15, get_rate_ipg, NULL, &fec_ahb_clk);
+DEFINE_CLOCK(dryice_clk, 0, CCM_CGCR1,  8, get_rate_ipg, NULL, NULL);
+DEFINE_CLOCK(lcdc_clk,	 0, CCM_CGCR1, 29, get_rate_lcdc, NULL, &lcdc_per_clk);
 
 #define _REGISTER_CLOCK(d, n, c)	\
 	{				\
@@ -214,6 +223,8 @@ static struct clk_lookup lookups[] = {
 	_REGISTER_CLOCK("imx-i2c.1", NULL, i2c_clk)
 	_REGISTER_CLOCK("imx-i2c.2", NULL, i2c_clk)
 	_REGISTER_CLOCK("fec.0", NULL, fec_clk)
+	_REGISTER_CLOCK("imxdi_rtc.0", NULL, dryice_clk)
+	_REGISTER_CLOCK("imx-fb.0", NULL, lcdc_clk)
 };
 
 int __init mx25_clocks_init(void)
@@ -228,6 +239,9 @@ int __init mx25_clocks_init(void)
 	__raw_writel((0xf << 16) | (3 << 26), CRM_BASE + CCM_CGCR1);
 	__raw_writel((1 << 5), CRM_BASE + CCM_CGCR2);
 
+	/* Clock source for lcdc is upll */
+	__raw_writel(__raw_readl(CRM_BASE+0x64) | (1 << 7), CRM_BASE + 0x64);
+
 	mxc_timer_init(&gpt_clk, MX25_IO_ADDRESS(MX25_GPT1_BASE_ADDR), 54);
 
 	return 0;
diff --git a/arch/arm/mach-mx25/devices.c b/arch/arm/mach-mx25/devices.c
index 9fdeea1c083b..3f4b8a0b5fac 100644
--- a/arch/arm/mach-mx25/devices.c
+++ b/arch/arm/mach-mx25/devices.c
@@ -438,3 +438,65 @@ struct platform_device mx25_fec_device = {
 	.num_resources	= ARRAY_SIZE(mx25_fec_resources),
 	.resource	= mx25_fec_resources,
 };
+
+static struct resource mxc_nand_resources[] = {
+	{
+		.start	= MX25_NFC_BASE_ADDR,
+		.end	= MX25_NFC_BASE_ADDR + 0x1fff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= MX25_INT_NANDFC,
+		.end	= MX25_INT_NANDFC,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device mxc_nand_device = {
+	.name		= "mxc_nand",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(mxc_nand_resources),
+	.resource	= mxc_nand_resources,
+};
+
+static struct resource mx25_rtc_resources[] = {
+	{
+		.start	= MX25_DRYICE_BASE_ADDR,
+		.end	= MX25_DRYICE_BASE_ADDR + 0x40,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= MX25_INT_DRYICE,
+		.flags	= IORESOURCE_IRQ
+	},
+};
+
+struct platform_device mx25_rtc_device = {
+	.name	= "imxdi_rtc",
+	.id	= 0,
+	.num_resources	= ARRAY_SIZE(mx25_rtc_resources),
+	.resource	= mx25_rtc_resources,
+};
+
+static struct resource mx25_fb_resources[] = {
+	{
+		.start	= MX25_LCDC_BASE_ADDR,
+		.end	= MX25_LCDC_BASE_ADDR + 0xfff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= MX25_INT_LCDC,
+		.end	= MX25_INT_LCDC,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device mx25_fb_device = {
+	.name		= "imx-fb",
+	.id		= 0,
+	.resource	= mx25_fb_resources,
+	.num_resources	= ARRAY_SIZE(mx25_fb_resources),
+	.dev		= {
+		.coherent_dma_mask = 0xFFFFFFFF,
+	},
+};
diff --git a/arch/arm/mach-mx25/devices.h b/arch/arm/mach-mx25/devices.h
index fe5420fcd11f..39560e13bc0d 100644
--- a/arch/arm/mach-mx25/devices.h
+++ b/arch/arm/mach-mx25/devices.h
@@ -18,3 +18,6 @@ extern struct platform_device mxc_i2c_device0;
 extern struct platform_device mxc_i2c_device1;
 extern struct platform_device mxc_i2c_device2;
 extern struct platform_device mx25_fec_device;
+extern struct platform_device mxc_nand_device;
+extern struct platform_device mx25_rtc_device;
+extern struct platform_device mx25_fb_device;
diff --git a/arch/arm/mach-mx25/mx25pdk.c b/arch/arm/mach-mx25/mach-mx25pdk.c
index 6f06089246eb..83d74109e7d8 100644
--- a/arch/arm/mach-mx25/mx25pdk.c
+++ b/arch/arm/mach-mx25/mach-mx25pdk.c
@@ -35,8 +35,9 @@
 #include <mach/imx-uart.h>
 #include <mach/mx25.h>
 #include <mach/mxc_nand.h>
+#include <mach/imxfb.h>
 #include "devices.h"
-#include <mach/iomux.h>
+#include <mach/iomux-mx25.h>
 
 static struct imxuart_platform_data uart_pdata = {
 	.flags = IMXUART_HAVE_RTSCTS,
@@ -54,6 +55,31 @@ static struct pad_desc mx25pdk_pads[] = {
 	MX25_PAD_FEC_TX_CLK__FEC_TX_CLK,
 	MX25_PAD_A17__GPIO_2_3, /* FEC_EN, GPIO 35 */
 	MX25_PAD_D12__GPIO_4_8, /* FEC_RESET_B, GPIO 104 */
+
+	/* LCD */
+	MX25_PAD_LD0__LD0,
+	MX25_PAD_LD1__LD1,
+	MX25_PAD_LD2__LD2,
+	MX25_PAD_LD3__LD3,
+	MX25_PAD_LD4__LD4,
+	MX25_PAD_LD5__LD5,
+	MX25_PAD_LD6__LD6,
+	MX25_PAD_LD7__LD7,
+	MX25_PAD_LD8__LD8,
+	MX25_PAD_LD9__LD9,
+	MX25_PAD_LD10__LD10,
+	MX25_PAD_LD11__LD11,
+	MX25_PAD_LD12__LD12,
+	MX25_PAD_LD13__LD13,
+	MX25_PAD_LD14__LD14,
+	MX25_PAD_LD15__LD15,
+	MX25_PAD_GPIO_E__LD16,
+	MX25_PAD_GPIO_F__LD17,
+	MX25_PAD_HSYNC__HSYNC,
+	MX25_PAD_VSYNC__VSYNC,
+	MX25_PAD_LSCLK__LSCLK,
+	MX25_PAD_OE_ACD__OE_ACD,
+	MX25_PAD_CONTRAST__CONTRAST,
 };
 
 static struct fec_platform_data mx25_fec_pdata = {
@@ -77,6 +103,40 @@ static void __init mx25pdk_fec_reset(void)
 	gpio_set_value(FEC_RESET_B_GPIO, 1);
 }
 
+static struct mxc_nand_platform_data mx25pdk_nand_board_info = {
+	.width		= 1,
+	.hw_ecc		= 1,
+	.flash_bbt	= 1,
+};
+
+static struct imx_fb_videomode mx25pdk_modes[] = {
+	{
+		.mode	= {
+			.name		= "CRT-VGA",
+			.refresh	= 60,
+			.xres		= 640,
+			.yres		= 480,
+			.pixclock	= 39683,
+			.left_margin	= 45,
+			.right_margin	= 114,
+			.upper_margin	= 33,
+			.lower_margin	= 11,
+			.hsync_len	= 1,
+			.vsync_len	= 1,
+		},
+		.bpp	= 16,
+		.pcr	= 0xFA208B80,
+	},
+};
+
+static struct imx_fb_platform_data mx25pdk_fb_pdata = {
+	.mode		= mx25pdk_modes,
+	.num_modes	= ARRAY_SIZE(mx25pdk_modes),
+	.pwmr		= 0x00A903FF,
+	.lscr1		= 0x00120300,
+	.dmacr		= 0x00020010,
+};
+
 static void __init mx25pdk_init(void)
 {
 	mxc_iomux_v3_setup_multiple_pads(mx25pdk_pads,
@@ -84,6 +144,9 @@ static void __init mx25pdk_init(void)
 
 	mxc_register_device(&mxc_uart_device0, &uart_pdata);
 	mxc_register_device(&mxc_usbh2, NULL);
+	mxc_register_device(&mxc_nand_device, &mx25pdk_nand_board_info);
+	mxc_register_device(&mx25_rtc_device, NULL);
+	mxc_register_device(&mx25_fb_device, &mx25pdk_fb_pdata);
 
 	mx25pdk_fec_reset();
 	mxc_register_device(&mx25_fec_device, &mx25_fec_pdata);
@@ -102,7 +165,7 @@ MACHINE_START(MX25_3DS, "Freescale MX25PDK (3DS)")
 	/* Maintainer: Freescale Semiconductor, Inc. */
 	.phys_io	= MX25_AIPS1_BASE_ADDR,
 	.io_pg_offst	= ((MX25_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.boot_params    = MX25_PHYS_OFFSET + 0x100,
 	.map_io         = mx25_map_io,
 	.init_irq       = mx25_init_irq,
 	.init_machine   = mx25pdk_init,
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index 28294416b0af..3872af1cf2c3 100644
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -34,6 +34,7 @@ config MACH_MX31ADS_WM1133_EV1
 config MACH_PCM037
 	bool "Support Phytec pcm037 (i.MX31) platforms"
 	select ARCH_MX31
+	select MXC_ULPI if USB_ULPI
 	help
 	  Include support for Phytec pcm037 platform. This includes
 	  specific configurations for the board and its peripherals.
@@ -86,6 +87,7 @@ config MACH_QONG
 config MACH_PCM043
 	bool "Support Phytec pcm043 (i.MX35) platforms"
 	select ARCH_MX35
+	select MXC_ULPI if USB_ULPI
 	help
 	  Include support for Phytec pcm043 platform. This includes
 	  specific configurations for the board and its peripherals.
diff --git a/arch/arm/mach-mx3/Makefile b/arch/arm/mach-mx3/Makefile
index 93c7b296be6a..5d650fda5d5d 100644
--- a/arch/arm/mach-mx3/Makefile
+++ b/arch/arm/mach-mx3/Makefile
@@ -5,18 +5,22 @@
 # Object file lists.
 
 obj-y				:= mm.o devices.o cpu.o
-obj-$(CONFIG_ARCH_MX31)		+= clock.o iomux.o
+CFLAGS_mm.o = -DIMX_NEEDS_DEPRECATED_SYMBOLS
+CFLAGS_devices.o = -DIMX_NEEDS_DEPRECATED_SYMBOLS
+CFLAGS_cpu.o = -DIMX_NEEDS_DEPRECATED_SYMBOLS
+obj-$(CONFIG_ARCH_MX31)		+= clock-imx31.o iomux-imx31.o
 obj-$(CONFIG_ARCH_MX35)		+= clock-imx35.o
-obj-$(CONFIG_MACH_MX31ADS)	+= mx31ads.o
-obj-$(CONFIG_MACH_MX31LILLY)	+= mx31lilly.o mx31lilly-db.o
-obj-$(CONFIG_MACH_MX31LITE)	+= mx31lite.o mx31lite-db.o
-obj-$(CONFIG_MACH_PCM037)	+= pcm037.o
-obj-$(CONFIG_MACH_PCM037_EET)	+= pcm037_eet.o
-obj-$(CONFIG_MACH_MX31_3DS)	+= mx31pdk.o
-obj-$(CONFIG_MACH_MX31MOBOARD)	+= mx31moboard.o mx31moboard-devboard.o \
-				   mx31moboard-marxbot.o
-obj-$(CONFIG_MACH_QONG)		+= qong.o
-obj-$(CONFIG_MACH_PCM043)	+= pcm043.o
-obj-$(CONFIG_MACH_ARMADILLO5X0) += armadillo5x0.o
-obj-$(CONFIG_MACH_MX35_3DS)	+= mx35pdk.o
-obj-$(CONFIG_MACH_KZM_ARM11_01)	+= kzmarm11.o
+obj-$(CONFIG_MACH_MX31ADS)	+= mach-mx31ads.o
+obj-$(CONFIG_MACH_MX31LILLY)	+= mach-mx31lilly.o mx31lilly-db.o
+obj-$(CONFIG_MACH_MX31LITE)	+= mach-mx31lite.o mx31lite-db.o
+obj-$(CONFIG_MACH_PCM037)	+= mach-pcm037.o
+obj-$(CONFIG_MACH_PCM037_EET)	+= mach-pcm037_eet.o
+obj-$(CONFIG_MACH_MX31_3DS)	+= mach-mx31_3ds.o
+CFLAGS_mach-mx31_3ds.o = -DIMX_NEEDS_DEPRECATED_SYMBOLS
+obj-$(CONFIG_MACH_MX31MOBOARD)	+= mach-mx31moboard.o mx31moboard-devboard.o \
+				   mx31moboard-marxbot.o mx31moboard-smartbot.o
+obj-$(CONFIG_MACH_QONG)		+= mach-qong.o
+obj-$(CONFIG_MACH_PCM043)	+= mach-pcm043.o
+obj-$(CONFIG_MACH_ARMADILLO5X0) += mach-armadillo5x0.o
+obj-$(CONFIG_MACH_MX35_3DS)	+= mach-mx35pdk.o
+obj-$(CONFIG_MACH_KZM_ARM11_01)	+= mach-kzm_arm11_01.o
diff --git a/arch/arm/mach-mx3/clock.c b/arch/arm/mach-mx3/clock-imx31.c
index b5c39a016db7..80dba9966b5e 100644
--- a/arch/arm/mach-mx3/clock.c
+++ b/arch/arm/mach-mx3/clock-imx31.c
@@ -616,14 +616,15 @@ int __init mx31_clocks_init(unsigned long fref)
 
 	mx31_read_cpu_rev();
 
-	if (mx31_revision() >= CHIP_REV_2_0) {
+	if (mx31_revision() >= MX31_CHIP_REV_2_0) {
 		reg = __raw_readl(MXC_CCM_PMCR1);
 		/* No PLL restart on DVFS switch; enable auto EMI handshake */
 		reg |= MXC_CCM_PMCR1_PLLRDIS | MXC_CCM_PMCR1_EMIRQ_EN;
 		__raw_writel(reg, MXC_CCM_PMCR1);
 	}
 
-	mxc_timer_init(&ipg_clk, IO_ADDRESS(GPT1_BASE_ADDR), MXC_INT_GPT);
+	mxc_timer_init(&ipg_clk, MX31_IO_ADDRESS(MX31_GPT1_BASE_ADDR),
+			MX31_INT_GPT);
 
 	return 0;
 }
diff --git a/arch/arm/mach-mx3/clock-imx35.c b/arch/arm/mach-mx3/clock-imx35.c
index f3f41fa4f21b..9f3e943e2232 100644
--- a/arch/arm/mach-mx3/clock-imx35.c
+++ b/arch/arm/mach-mx3/clock-imx35.c
@@ -28,7 +28,7 @@
 #include <mach/hardware.h>
 #include <mach/common.h>
 
-#define CCM_BASE	IO_ADDRESS(CCM_BASE_ADDR)
+#define CCM_BASE	MX35_IO_ADDRESS(MX35_CCM_BASE_ADDR)
 
 #define CCM_CCMR        0x00
 #define CCM_PDR0        0x04
@@ -502,7 +502,8 @@ int __init mx35_clocks_init()
 	__raw_writel((3 << 26) | ll, CCM_BASE + CCM_CGR2);
 	__raw_writel(0, CCM_BASE + CCM_CGR3);
 
-	mxc_timer_init(&gpt_clk, IO_ADDRESS(GPT1_BASE_ADDR), MXC_INT_GPT);
+	mxc_timer_init(&gpt_clk,
+			MX35_IO_ADDRESS(MX35_GPT1_BASE_ADDR), MX35_INT_GPT);
 
 	return 0;
 }
diff --git a/arch/arm/mach-mx3/cpu.c b/arch/arm/mach-mx3/cpu.c
index db828809c675..861afe0fe3ad 100644
--- a/arch/arm/mach-mx3/cpu.c
+++ b/arch/arm/mach-mx3/cpu.c
@@ -41,7 +41,7 @@ void __init mx31_read_cpu_rev(void)
 	u32 i, srev;
 
 	/* read SREV register from IIM module */
-	srev = __raw_readl(IO_ADDRESS(IIM_BASE_ADDR) + MXC_IIMSREV);
+	srev = __raw_readl(IO_ADDRESS(IIM_BASE_ADDR + MXC_IIMSREV));
 
 	for (i = 0; i < ARRAY_SIZE(mx31_cpu_type); i++)
 		if (srev == mx31_cpu_type[i].srev) {
diff --git a/arch/arm/mach-mx3/crm_regs.h b/arch/arm/mach-mx3/crm_regs.h
index adfa3627ad84..37a8a07beda3 100644
--- a/arch/arm/mach-mx3/crm_regs.h
+++ b/arch/arm/mach-mx3/crm_regs.h
@@ -24,7 +24,7 @@
 #define CKIH_CLK_FREQ_27MHZ     27000000
 #define CKIL_CLK_FREQ           32768
 
-#define MXC_CCM_BASE		IO_ADDRESS(CCM_BASE_ADDR)
+#define MXC_CCM_BASE		MX31_IO_ADDRESS(MX31_CCM_BASE_ADDR)
 
 /* Register addresses */
 #define MXC_CCM_CCMR		(MXC_CCM_BASE + 0x00)
diff --git a/arch/arm/mach-mx3/iomux.c b/arch/arm/mach-mx3/iomux-imx31.c
index c66ccbcdc11b..a1d7fa5123dc 100644
--- a/arch/arm/mach-mx3/iomux.c
+++ b/arch/arm/mach-mx3/iomux-imx31.c
@@ -29,7 +29,7 @@
 /*
  * IOMUX register (base) addresses
  */
-#define IOMUX_BASE	IO_ADDRESS(IOMUXC_BASE_ADDR)
+#define IOMUX_BASE	MX31_IO_ADDRESS(MX31_IOMUXC_BASE_ADDR)
 #define IOMUXINT_OBS1	(IOMUX_BASE + 0x000)
 #define IOMUXINT_OBS2	(IOMUX_BASE + 0x004)
 #define IOMUXGPR	(IOMUX_BASE + 0x008)
diff --git a/arch/arm/mach-mx3/armadillo5x0.c b/arch/arm/mach-mx3/mach-armadillo5x0.c
index 54aab401dbdf..3d72b0b89705 100644
--- a/arch/arm/mach-mx3/armadillo5x0.c
+++ b/arch/arm/mach-mx3/mach-armadillo5x0.c
@@ -182,8 +182,8 @@ static struct physmap_flash_data armadillo5x0_nor_flash_pdata = {
 
 static struct resource armadillo5x0_nor_flash_resource = {
 	.flags		= IORESOURCE_MEM,
-	.start		= CS0_BASE_ADDR,
-	.end		= CS0_BASE_ADDR + SZ_64M - 1,
+	.start		= MX31_CS0_BASE_ADDR,
+	.end		= MX31_CS0_BASE_ADDR + SZ_64M - 1,
 };
 
 static struct platform_device armadillo5x0_nor_flash = {
@@ -311,8 +311,8 @@ static struct imxmmc_platform_data sdhc_pdata = {
  */
 static struct resource armadillo5x0_smc911x_resources[] = {
 	{
-		.start	= CS3_BASE_ADDR,
-		.end	= CS3_BASE_ADDR + SZ_32M - 1,
+		.start	= MX31_CS3_BASE_ADDR,
+		.end	= MX31_CS3_BASE_ADDR + SZ_32M - 1,
 		.flags	= IORESOURCE_MEM,
 	}, {
 		.start	= IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
@@ -406,9 +406,9 @@ static struct sys_timer armadillo5x0_timer = {
 
 MACHINE_START(ARMADILLO5X0, "Armadillo-500")
 	/* Maintainer: Alberto Panizzo  */
-	.phys_io	= AIPS1_BASE_ADDR,
-	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params	= PHYS_OFFSET + 0x00000100,
+	.phys_io	= MX31_AIPS1_BASE_ADDR,
+	.io_pg_offst	= (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
+	.boot_params	= MX3x_PHYS_OFFSET + 0x100,
 	.map_io		= mx31_map_io,
 	.init_irq	= mx31_init_irq,
 	.timer		= &armadillo5x0_timer,
diff --git a/arch/arm/mach-mx3/kzmarm11.c b/arch/arm/mach-mx3/mach-kzm_arm11_01.c
index 6fa99ce3008a..f085d5d1a6de 100644
--- a/arch/arm/mach-mx3/kzmarm11.c
+++ b/arch/arm/mach-mx3/mach-kzm_arm11_01.c
@@ -46,13 +46,18 @@
 
 #include "devices.h"
 
+#define KZM_ARM11_IO_ADDRESS(x) (					\
+	IMX_IO_ADDRESS(x, MX31_CS4) ?:					\
+	IMX_IO_ADDRESS(x, MX31_CS5) ?:					\
+	MX31_IO_ADDRESS(x))
+
 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
 /*
  * KZM-ARM11-01 has an external UART on FPGA
  */
 static struct plat_serial8250_port serial_platform_data[] = {
 	{
-		.membase	= IO_ADDRESS(KZM_ARM11_16550),
+		.membase	= KZM_ARM11_IO_ADDRESS(KZM_ARM11_16550),
 		.mapbase	= KZM_ARM11_16550,
 		.irq		= IOMUX_TO_IRQ(MX31_PIN_GPIO1_1),
 		.irqflags	= IRQ_TYPE_EDGE_RISING,
@@ -102,9 +107,9 @@ static int __init kzm_init_ext_uart(void)
 	/*
 	 * Unmask UART interrupt
 	 */
-	tmp = __raw_readb(IO_ADDRESS(KZM_ARM11_CTL1));
+	tmp = __raw_readb(KZM_ARM11_IO_ADDRESS(KZM_ARM11_CTL1));
 	tmp |= 0x2;
-	__raw_writeb(tmp, IO_ADDRESS(KZM_ARM11_CTL1));
+	__raw_writeb(tmp, KZM_ARM11_IO_ADDRESS(KZM_ARM11_CTL1));
 
 	return platform_device_register(&serial_device);
 }
@@ -128,8 +133,8 @@ static struct smsc911x_platform_config kzm_smsc9118_config = {
 
 static struct resource kzm_smsc9118_resources[] = {
 	{
-		.start	= CS5_BASE_ADDR,
-		.end	= CS5_BASE_ADDR + SZ_128K - 1,
+		.start	= MX31_CS5_BASE_ADDR,
+		.end	= MX31_CS5_BASE_ADDR + SZ_128K - 1,
 		.flags	= IORESOURCE_MEM,
 	},
 	{
@@ -222,15 +227,15 @@ static void __init kzm_board_init(void)
  */
 static struct map_desc kzm_io_desc[] __initdata = {
 	{
-		.virtual	= CS4_BASE_ADDR_VIRT,
-		.pfn		= __phys_to_pfn(CS4_BASE_ADDR),
-		.length		= CS4_SIZE,
+		.virtual	= MX31_CS4_BASE_ADDR_VIRT,
+		.pfn		= __phys_to_pfn(MX31_CS4_BASE_ADDR),
+		.length		= MX31_CS4_SIZE,
 		.type		= MT_DEVICE
 	},
 	{
-		.virtual	= CS5_BASE_ADDR_VIRT,
-		.pfn		= __phys_to_pfn(CS5_BASE_ADDR),
-		.length		= CS5_SIZE,
+		.virtual	= MX31_CS5_BASE_ADDR_VIRT,
+		.pfn		= __phys_to_pfn(MX31_CS5_BASE_ADDR),
+		.length		= MX31_CS5_SIZE,
 		.type		= MT_DEVICE
 	},
 };
@@ -258,9 +263,9 @@ static struct sys_timer kzm_timer = {
  * initialize __mach_desc_KZM_ARM11_01 data structure.
  */
 MACHINE_START(KZM_ARM11_01, "Kyoto Microcomputer Co., Ltd. KZM-ARM11-01")
-	.phys_io        = AIPS1_BASE_ADDR,
-	.io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io        = MX31_AIPS1_BASE_ADDR,
+	.io_pg_offst    = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
+	.boot_params    = MX3x_PHYS_OFFSET + 0x100,
 	.map_io         = kzm_map_io,
 	.init_irq       = mx31_init_irq,
 	.init_machine   = kzm_board_init,
diff --git a/arch/arm/mach-mx3/mx31pdk.c b/arch/arm/mach-mx3/mach-mx31_3ds.c
index 18715f1aa7eb..b88c18ad7698 100644
--- a/arch/arm/mach-mx3/mx31pdk.c
+++ b/arch/arm/mach-mx3/mach-mx31_3ds.c
@@ -211,9 +211,9 @@ static int __init mx31pdk_init_expio(void)
  */
 static struct map_desc mx31pdk_io_desc[] __initdata = {
 	{
-		.virtual = CS5_BASE_ADDR_VIRT,
-		.pfn = __phys_to_pfn(CS5_BASE_ADDR),
-		.length = CS5_SIZE,
+		.virtual = MX31_CS5_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX31_CS5_BASE_ADDR),
+		.length = MX31_CS5_SIZE,
 		.type = MT_DEVICE,
 	},
 };
@@ -256,9 +256,9 @@ static struct sys_timer mx31pdk_timer = {
  */
 MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)")
 	/* Maintainer: Freescale Semiconductor, Inc. */
-	.phys_io	= AIPS1_BASE_ADDR,
-	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io	= MX31_AIPS1_BASE_ADDR,
+	.io_pg_offst	= (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
+	.boot_params    = MX3x_PHYS_OFFSET + 0x100,
 	.map_io         = mx31pdk_map_io,
 	.init_irq       = mx31_init_irq,
 	.init_machine   = mxc_board_init,
diff --git a/arch/arm/mach-mx3/mx31ads.c b/arch/arm/mach-mx3/mach-mx31ads.c
index 938c549767dc..b3d1a1895c20 100644
--- a/arch/arm/mach-mx3/mx31ads.c
+++ b/arch/arm/mach-mx3/mach-mx31ads.c
@@ -60,7 +60,7 @@
 static struct plat_serial8250_port serial_platform_data[] = {
 	{
 		.membase  = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTA),
-		.mapbase  = (unsigned long)(CS4_BASE_ADDR + PBC_SC16C652_UARTA),
+		.mapbase  = (unsigned long)(MX31_CS4_BASE_ADDR + PBC_SC16C652_UARTA),
 		.irq      = EXPIO_INT_XUART_INTA,
 		.uartclk  = 14745600,
 		.regshift = 0,
@@ -68,7 +68,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
 		.flags    = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_AUTO_IRQ,
 	}, {
 		.membase  = (void *)(PBC_BASE_ADDRESS + PBC_SC16C652_UARTB),
-		.mapbase  = (unsigned long)(CS4_BASE_ADDR + PBC_SC16C652_UARTB),
+		.mapbase  = (unsigned long)(MX31_CS4_BASE_ADDR + PBC_SC16C652_UARTB),
 		.irq      = EXPIO_INT_XUART_INTB,
 		.uartclk  = 14745600,
 		.regshift = 0,
@@ -309,12 +309,8 @@ static struct regulator_init_data ldo1_data = {
 };
 
 static struct regulator_consumer_supply ldo2_consumers[] = {
-	{
-		.supply = "AVDD",
-	},
-	{
-		.supply = "HPVDD",
-	},
+	{ .supply = "AVDD", .dev_name = "1-001a" },
+	{ .supply = "HPVDD", .dev_name = "1-001a" },
 };
 
 /* CODEC and SIM */
@@ -385,8 +381,6 @@ static struct wm8350_audio_platform_data imx32ads_wm8350_setup = {
 
 static int mx31_wm8350_init(struct wm8350 *wm8350)
 {
-	int i;
-
 	wm8350_gpio_config(wm8350, 0, WM8350_GPIO_DIR_IN,
 			   WM8350_GPIO0_PWR_ON_IN, WM8350_GPIO_ACTIVE_LOW,
 			   WM8350_GPIO_PULL_UP, WM8350_GPIO_INVERT_OFF,
@@ -422,10 +416,6 @@ static int mx31_wm8350_init(struct wm8350 *wm8350)
 			   WM8350_GPIO_PULL_NONE, WM8350_GPIO_INVERT_OFF,
 			   WM8350_GPIO_DEBOUNCE_OFF);
 
-	/* Fix up for our own supplies. */
-	for (i = 0; i < ARRAY_SIZE(ldo2_consumers); i++)
-		ldo2_consumers[i].dev = wm8350->dev;
-
 	wm8350_register_regulator(wm8350, WM8350_DCDC_1, &sw1a_data);
 	wm8350_register_regulator(wm8350, WM8350_DCDC_3, &viohi_data);
 	wm8350_register_regulator(wm8350, WM8350_DCDC_4, &violo_data);
@@ -493,14 +483,27 @@ static void mxc_init_i2c(void)
 }
 #endif
 
+static unsigned int ssi_pins[] = {
+	MX31_PIN_SFS5__SFS5,
+	MX31_PIN_SCK5__SCK5,
+	MX31_PIN_SRXD5__SRXD5,
+	MX31_PIN_STXD5__STXD5,
+};
+
+static void mxc_init_audio(void)
+{
+	mxc_register_device(&imx_ssi_device0, NULL);
+	mxc_iomux_setup_multiple_pins(ssi_pins, ARRAY_SIZE(ssi_pins), "ssi");
+}
+
 /*!
  * This structure defines static mappings for the i.MX31ADS board.
  */
 static struct map_desc mx31ads_io_desc[] __initdata = {
 	{
-		.virtual	= CS4_BASE_ADDR_VIRT,
-		.pfn		= __phys_to_pfn(CS4_BASE_ADDR),
-		.length		= CS4_SIZE / 2,
+		.virtual	= MX31_CS4_BASE_ADDR_VIRT,
+		.pfn		= __phys_to_pfn(MX31_CS4_BASE_ADDR),
+		.length		= MX31_CS4_SIZE / 2,
 		.type		= MT_DEVICE
 	},
 };
@@ -528,6 +531,7 @@ static void __init mxc_board_init(void)
 	mxc_init_extuart();
 	mxc_init_imx_uart();
 	mxc_init_i2c();
+	mxc_init_audio();
 }
 
 static void __init mx31ads_timer_init(void)
@@ -545,9 +549,9 @@ static struct sys_timer mx31ads_timer = {
  */
 MACHINE_START(MX31ADS, "Freescale MX31ADS")
 	/* Maintainer: Freescale Semiconductor, Inc. */
-	.phys_io	= AIPS1_BASE_ADDR,
-	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io	= MX31_AIPS1_BASE_ADDR,
+	.io_pg_offst	= (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
+	.boot_params    = MX3x_PHYS_OFFSET + 0x100,
 	.map_io         = mx31ads_map_io,
 	.init_irq       = mx31ads_init_irq,
 	.init_machine   = mxc_board_init,
diff --git a/arch/arm/mach-mx3/mx31lilly.c b/arch/arm/mach-mx3/mach-mx31lilly.c
index 9ce029f554b9..80847b04c063 100644
--- a/arch/arm/mach-mx3/mx31lilly.c
+++ b/arch/arm/mach-mx3/mach-mx31lilly.c
@@ -57,8 +57,8 @@
 
 static struct resource smsc91x_resources[] = {
 	{
-		.start	= CS4_BASE_ADDR,
-		.end	= CS4_BASE_ADDR + 0xffff,
+		.start	= MX31_CS4_BASE_ADDR,
+		.end	= MX31_CS4_BASE_ADDR + 0xffff,
 		.flags	= IORESOURCE_MEM,
 	},
 	{
@@ -195,9 +195,9 @@ static struct sys_timer mx31lilly_timer = {
 };
 
 MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
-	.phys_io	= AIPS1_BASE_ADDR,
-	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params	= PHYS_OFFSET + 0x100,
+	.phys_io	= MX31_AIPS1_BASE_ADDR,
+	.io_pg_offst	= (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
+	.boot_params	= MX3x_PHYS_OFFSET + 0x100,
 	.map_io		= mx31_map_io,
 	.init_irq	= mx31_init_irq,
 	.init_machine	= mx31lilly_board_init,
diff --git a/arch/arm/mach-mx3/mx31lite.c b/arch/arm/mach-mx3/mach-mx31lite.c
index 789b20d1730f..2b6d11400877 100644
--- a/arch/arm/mach-mx3/mx31lite.c
+++ b/arch/arm/mach-mx3/mach-mx31lite.c
@@ -82,8 +82,8 @@ static struct smsc911x_platform_config smsc911x_config = {
 
 static struct resource smsc911x_resources[] = {
 	{
-		.start		= CS4_BASE_ADDR,
-		.end		= CS4_BASE_ADDR + 0x100,
+		.start		= MX31_CS4_BASE_ADDR,
+		.end		= MX31_CS4_BASE_ADDR + 0x100,
 		.flags		= IORESOURCE_MEM,
 	}, {
 		.start		= IOMUX_TO_IRQ(MX31_PIN_SFS6),
@@ -214,9 +214,9 @@ static struct platform_device physmap_flash_device = {
  */
 static struct map_desc mx31lite_io_desc[] __initdata = {
 	{
-		.virtual = CS4_BASE_ADDR_VIRT,
-		.pfn = __phys_to_pfn(CS4_BASE_ADDR),
-		.length = CS4_SIZE,
+		.virtual = MX31_CS4_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX31_CS4_BASE_ADDR),
+		.length = MX31_CS4_SIZE,
 		.type = MT_DEVICE
 	}
 };
@@ -287,9 +287,9 @@ struct sys_timer mx31lite_timer = {
 
 MACHINE_START(MX31LITE, "LogicPD i.MX31 SOM")
 	/* Maintainer: Freescale Semiconductor, Inc. */
-	.phys_io        = AIPS1_BASE_ADDR,
-	.io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io        = MX31_AIPS1_BASE_ADDR,
+	.io_pg_offst    = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
+	.boot_params    = MX3x_PHYS_OFFSET + 0x100,
 	.map_io         = mx31lite_map_io,
 	.init_irq       = mx31_init_irq,
 	.init_machine   = mxc_board_init,
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mach-mx31moboard.c
index cfd605d078ec..a7dc5191bf5e 100644
--- a/arch/arm/mach-mx3/mx31moboard.c
+++ b/arch/arm/mach-mx3/mach-mx31moboard.c
@@ -96,9 +96,6 @@ static unsigned int moboard_pins[] = {
 	/* LEDs */
 	MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
 	MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
-	/* SEL */
-	MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9,
-	MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11,
 	/* SPI1 */
 	MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
 	MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
@@ -352,9 +349,7 @@ static struct fsl_usb2_platform_data usb_pdata = {
 
 static int moboard_usbh2_hw_init(struct platform_device *pdev)
 {
-	int ret = gpio_request(USBH2_EN_B, "usbh2-en");
-	if (ret)
-		return ret;
+	int ret;
 
 	mxc_iomux_set_gpr(MUX_PGP_UH2, true);
 
@@ -371,6 +366,9 @@ static int moboard_usbh2_hw_init(struct platform_device *pdev)
 	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
 	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
 
+	ret = gpio_request(USBH2_EN_B, "usbh2-en");
+	if (ret)
+		return ret;
 	gpio_direction_output(USBH2_EN_B, 0);
 
 	return 0;
@@ -431,34 +429,6 @@ static struct platform_device mx31moboard_leds_device = {
 	},
 };
 
-#define SEL0 IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
-#define SEL1 IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
-#define SEL2 IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
-#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
-
-static void mx31moboard_init_sel_gpios(void)
-{
-	if (!gpio_request(SEL0, "sel0")) {
-		gpio_direction_input(SEL0);
-		gpio_export(SEL0, true);
-	}
-
-	if (!gpio_request(SEL1, "sel1")) {
-		gpio_direction_input(SEL1);
-		gpio_export(SEL1, true);
-	}
-
-	if (!gpio_request(SEL2, "sel2")) {
-		gpio_direction_input(SEL2);
-		gpio_export(SEL2, true);
-	}
-
-	if (!gpio_request(SEL3, "sel3")) {
-		gpio_direction_input(SEL3);
-		gpio_export(SEL3, true);
-	}
-}
-
 static struct ipu_platform_data mx3_ipu_data = {
 	.irq_base = MXC_IPU_IRQ_START,
 };
@@ -518,8 +488,6 @@ static void __init mxc_board_init(void)
 
 	mxc_register_device(&mxc_uart_device4, &uart4_pdata);
 
-	mx31moboard_init_sel_gpios();
-
 	mxc_register_device(&mxc_i2c_device0, &moboard_i2c0_pdata);
 	mxc_register_device(&mxc_i2c_device1, &moboard_i2c1_pdata);
 
@@ -552,6 +520,9 @@ static void __init mxc_board_init(void)
 	case MX31MARXBOT:
 		mx31moboard_marxbot_init();
 		break;
+	case MX31SMARTBOT:
+		mx31moboard_smartbot_init();
+		break;
 	default:
 		printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
 			mx31moboard_baseboard);
@@ -569,9 +540,9 @@ struct sys_timer mx31moboard_timer = {
 
 MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
 	/* Maintainer: Valentin Longchamp, EPFL Mobots group */
-	.phys_io	= AIPS1_BASE_ADDR,
-	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io	= MX31_AIPS1_BASE_ADDR,
+	.io_pg_offst	= (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
+	.boot_params    = MX3x_PHYS_OFFSET + 0x100,
 	.map_io         = mx31_map_io,
 	.init_irq       = mx31_init_irq,
 	.init_machine   = mxc_board_init,
diff --git a/arch/arm/mach-mx3/mx35pdk.c b/arch/arm/mach-mx3/mach-mx35pdk.c
index 0bbc65ea23c8..bcac84d4dca4 100644
--- a/arch/arm/mach-mx3/mx35pdk.c
+++ b/arch/arm/mach-mx3/mach-mx35pdk.c
@@ -106,9 +106,9 @@ struct sys_timer mx35pdk_timer = {
 
 MACHINE_START(MX35_3DS, "Freescale MX35PDK")
 	/* Maintainer: Freescale Semiconductor, Inc */
-	.phys_io	= AIPS1_BASE_ADDR,
-	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io	= MX35_AIPS1_BASE_ADDR,
+	.io_pg_offst	= ((MX35_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params    = MX3x_PHYS_OFFSET + 0x100,
 	.map_io         = mx35_map_io,
 	.init_irq       = mx35_init_irq,
 	.init_machine   = mxc_board_init,
diff --git a/arch/arm/mach-mx3/pcm037.c b/arch/arm/mach-mx3/mach-pcm037.c
index 5be396917c99..11f531559169 100644
--- a/arch/arm/mach-mx3/pcm037.c
+++ b/arch/arm/mach-mx3/mach-pcm037.c
@@ -33,6 +33,9 @@
 #include <linux/irq.h>
 #include <linux/fsl_devices.h>
 #include <linux/can/platform/sja1000.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
+#include <linux/fsl_devices.h>
 
 #include <media/soc_camera.h>
 
@@ -51,6 +54,8 @@
 #include <mach/mx3_camera.h>
 #include <mach/mx3fb.h>
 #include <mach/mxc_nand.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
 
 #include "devices.h"
 #include "pcm037.h"
@@ -172,19 +177,7 @@ static unsigned int pcm037_pins[] = {
 	MX31_PIN_CSI_VSYNC__CSI_VSYNC,
 	/* GPIO */
 	IOMUX_MODE(MX31_PIN_ATA_DMACK, IOMUX_CONFIG_GPIO),
-};
-
-static struct physmap_flash_data pcm037_flash_data = {
-	.width  = 2,
-};
-
-static struct resource pcm037_flash_resource = {
-	.start	= 0xa0000000,
-	.end	= 0xa1ffffff,
-	.flags	= IORESOURCE_MEM,
-};
-
-static int usbotg_pins[] = {
+	/* OTG */
 	MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
 	MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
 	MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
@@ -197,39 +190,29 @@ static int usbotg_pins[] = {
 	MX31_PIN_USBOTG_DIR__USBOTG_DIR,
 	MX31_PIN_USBOTG_NXT__USBOTG_NXT,
 	MX31_PIN_USBOTG_STP__USBOTG_STP,
+	/* USB host 2 */
+	IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC),
+	IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC),
 };
 
-/* USB OTG HS port */
-static int __init gpio_usbotg_hs_activate(void)
-{
-	int ret = mxc_iomux_setup_multiple_pins(usbotg_pins,
-					ARRAY_SIZE(usbotg_pins), "usbotg");
-
-	if (ret < 0) {
-		printk(KERN_ERR "Cannot set up OTG pins\n");
-		return ret;
-	}
-
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK,   PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR,   PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT,   PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
-	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP,   PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST);
-
-	return 0;
-}
+static struct physmap_flash_data pcm037_flash_data = {
+	.width  = 2,
+};
 
-/* OTG config */
-static struct fsl_usb2_platform_data usb_pdata = {
-	.operating_mode	= FSL_USB2_DR_DEVICE,
-	.phy_mode	= FSL_USB2_PHY_ULPI,
+static struct resource pcm037_flash_resource = {
+	.start	= 0xa0000000,
+	.end	= 0xa1ffffff,
+	.flags	= IORESOURCE_MEM,
 };
 
 static struct platform_device pcm037_flash = {
@@ -248,8 +231,8 @@ static struct imxuart_platform_data uart_pdata = {
 
 static struct resource smsc911x_resources[] = {
 	{
-		.start		= CS1_BASE_ADDR + 0x300,
-		.end		= CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
+		.start		= MX31_CS1_BASE_ADDR + 0x300,
+		.end		= MX31_CS1_BASE_ADDR + 0x300 + SZ_64K - 1,
 		.flags		= IORESOURCE_MEM,
 	}, {
 		.start		= IOMUX_TO_IRQ(MX31_PIN_GPIO3_1),
@@ -281,8 +264,8 @@ static struct platdata_mtd_ram pcm038_sram_data = {
 };
 
 static struct resource pcm038_sram_resource = {
-	.start = CS4_BASE_ADDR,
-	.end   = CS4_BASE_ADDR + 512 * 1024 - 1,
+	.start = MX31_CS4_BASE_ADDR,
+	.end   = MX31_CS4_BASE_ADDR + 512 * 1024 - 1,
 	.flags = IORESOURCE_MEM,
 };
 
@@ -536,8 +519,8 @@ static struct mx3fb_platform_data mx3fb_pdata = {
 
 static struct resource pcm970_sja1000_resources[] = {
 	{
-		.start   = CS5_BASE_ADDR,
-		.end     = CS5_BASE_ADDR + 0x100 - 1,
+		.start   = MX31_CS5_BASE_ADDR,
+		.end     = MX31_CS5_BASE_ADDR + 0x100 - 1,
 		.flags   = IORESOURCE_MEM,
 	}, {
 		.start   = IOMUX_TO_IRQ(IOMUX_PIN(48, 105)),
@@ -561,16 +544,65 @@ static struct platform_device pcm970_sja1000 = {
 	.num_resources = ARRAY_SIZE(pcm970_sja1000_resources),
 };
 
+static struct mxc_usbh_platform_data otg_pdata = {
+	.portsc	= MXC_EHCI_MODE_ULPI,
+	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+
+static struct mxc_usbh_platform_data usbh2_pdata = {
+	.portsc	= MXC_EHCI_MODE_ULPI,
+	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+
+static struct fsl_usb2_platform_data otg_device_pdata = {
+	.operating_mode = FSL_USB2_DR_DEVICE,
+	.phy_mode       = FSL_USB2_PHY_ULPI,
+};
+
+static int otg_mode_host;
+
+static int __init pcm037_otg_mode(char *options)
+{
+	if (!strcmp(options, "host"))
+		otg_mode_host = 1;
+	else if (!strcmp(options, "device"))
+		otg_mode_host = 0;
+	else
+		pr_info("otg_mode neither \"host\" nor \"device\". "
+			"Defaulting to device\n");
+	return 0;
+}
+__setup("otg_mode=", pcm037_otg_mode);
+
 /*
  * Board specific initialization.
  */
 static void __init mxc_board_init(void)
 {
 	int ret;
+	u32 tmp;
+
+	mxc_iomux_set_gpr(MUX_PGP_UH2, 1);
 
 	mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins),
 			"pcm037");
 
+#define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \
+		| PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+
+	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
+	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
+	mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG);	/* USBH2_DATA2 */
+	mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG);	/* USBH2_DATA3 */
+	mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG);	/* USBH2_DATA4 */
+	mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG);	/* USBH2_DATA5 */
+	mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG);	/* USBH2_DATA6 */
+	mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG);	/* USBH2_DATA7 */
+
 	if (pcm037_variant() == PCM037_EET)
 		mxc_iomux_setup_multiple_pins(pcm037_uart1_pins,
 			ARRAY_SIZE(pcm037_uart1_pins), "pcm037_uart1");
@@ -608,8 +640,6 @@ static void __init mxc_board_init(void)
 	mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
 	mxc_register_device(&mx3_ipu, &mx3_ipu_data);
 	mxc_register_device(&mx3_fb, &mx3fb_pdata);
-	if (!gpio_usbotg_hs_activate())
-		mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
 
 	/* CSI */
 	/* Camera power: default - off */
@@ -623,6 +653,23 @@ static void __init mxc_board_init(void)
 		mxc_register_device(&mx3_camera, &camera_pdata);
 
 	platform_device_register(&pcm970_sja1000);
+
+#if defined(CONFIG_USB_ULPI)
+	if (otg_mode_host) {
+		otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+				USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+
+		mxc_register_device(&mxc_otg_host, &otg_pdata);
+	}
+
+	usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+				USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+
+	mxc_register_device(&mxc_usbh2, &usbh2_pdata);
+#endif
+	if (!otg_mode_host)
+		mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
+
 }
 
 static void __init pcm037_timer_init(void)
@@ -636,9 +683,9 @@ struct sys_timer pcm037_timer = {
 
 MACHINE_START(PCM037, "Phytec Phycore pcm037")
 	/* Maintainer: Pengutronix */
-	.phys_io	= AIPS1_BASE_ADDR,
-	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io	= MX31_AIPS1_BASE_ADDR,
+	.io_pg_offst	= (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
+	.boot_params    = MX3x_PHYS_OFFSET + 0x100,
 	.map_io         = mx31_map_io,
 	.init_irq       = mx31_init_irq,
 	.init_machine   = mxc_board_init,
diff --git a/arch/arm/mach-mx3/pcm037_eet.c b/arch/arm/mach-mx3/mach-pcm037_eet.c
index 8d386000fc40..8d386000fc40 100644
--- a/arch/arm/mach-mx3/pcm037_eet.c
+++ b/arch/arm/mach-mx3/mach-pcm037_eet.c
diff --git a/arch/arm/mach-mx3/pcm043.c b/arch/arm/mach-mx3/mach-pcm043.c
index e3aa829be586..1bf1ec2eef5e 100644
--- a/arch/arm/mach-mx3/pcm043.c
+++ b/arch/arm/mach-mx3/mach-pcm043.c
@@ -26,8 +26,12 @@
 #include <linux/gpio.h>
 #include <linux/smc911x.h>
 #include <linux/interrupt.h>
+#include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/i2c/at24.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
+#include <linux/fsl_devices.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -44,6 +48,10 @@
 #include <mach/ipu.h>
 #include <mach/mx3fb.h>
 #include <mach/mxc_nand.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
+#include <mach/audmux.h>
+#include <mach/ssi.h>
 
 #include "devices.h"
 
@@ -205,6 +213,94 @@ static struct pad_desc pcm043_pads[] = {
 	MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
 	/* gpio */
 	MX35_PAD_ATA_CS0__GPIO2_6,
+	/* USB host */
+	MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
+	MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
+	/* SSI */
+	MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS,
+	MX35_PAD_STXD4__AUDMUX_AUD4_TXD,
+	MX35_PAD_SRXD4__AUDMUX_AUD4_RXD,
+	MX35_PAD_SCK4__AUDMUX_AUD4_TXC,
+};
+
+#define AC97_GPIO_TXFS	(1 * 32 + 31)
+#define AC97_GPIO_TXD	(1 * 32 + 28)
+#define AC97_GPIO_RESET	(1 * 32 + 0)
+
+static void pcm043_ac97_warm_reset(struct snd_ac97 *ac97)
+{
+	struct pad_desc txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
+	struct pad_desc txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
+	int ret;
+
+	ret = gpio_request(AC97_GPIO_TXFS, "SSI");
+	if (ret) {
+		printk("failed to get GPIO_TXFS: %d\n", ret);
+		return;
+	}
+
+	mxc_iomux_v3_setup_pad(&txfs_gpio);
+
+	/* warm reset */
+	gpio_direction_output(AC97_GPIO_TXFS, 1);
+	udelay(2);
+	gpio_set_value(AC97_GPIO_TXFS, 0);
+
+	gpio_free(AC97_GPIO_TXFS);
+	mxc_iomux_v3_setup_pad(&txfs);
+}
+
+static void pcm043_ac97_cold_reset(struct snd_ac97 *ac97)
+{
+	struct pad_desc txfs_gpio = MX35_PAD_STXFS4__GPIO2_31;
+	struct pad_desc txfs = MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS;
+	struct pad_desc txd_gpio = MX35_PAD_STXD4__GPIO2_28;
+	struct pad_desc txd = MX35_PAD_STXD4__AUDMUX_AUD4_TXD;
+	struct pad_desc reset_gpio = MX35_PAD_SD2_CMD__GPIO2_0;
+	int ret;
+
+	ret = gpio_request(AC97_GPIO_TXFS, "SSI");
+	if (ret)
+		goto err1;
+
+	ret = gpio_request(AC97_GPIO_TXD, "SSI");
+	if (ret)
+		goto err2;
+
+	ret = gpio_request(AC97_GPIO_RESET, "SSI");
+	if (ret)
+		goto err3;
+
+	mxc_iomux_v3_setup_pad(&txfs_gpio);
+	mxc_iomux_v3_setup_pad(&txd_gpio);
+	mxc_iomux_v3_setup_pad(&reset_gpio);
+
+	gpio_direction_output(AC97_GPIO_TXFS, 0);
+	gpio_direction_output(AC97_GPIO_TXD, 0);
+
+	/* cold reset */
+	gpio_direction_output(AC97_GPIO_RESET, 0);
+	udelay(10);
+	gpio_direction_output(AC97_GPIO_RESET, 1);
+
+	mxc_iomux_v3_setup_pad(&txd);
+	mxc_iomux_v3_setup_pad(&txfs);
+
+	gpio_free(AC97_GPIO_RESET);
+err3:
+	gpio_free(AC97_GPIO_TXD);
+err2:
+	gpio_free(AC97_GPIO_TXFS);
+err1:
+	if (ret)
+		printk("%s failed with %d\n", __func__, ret);
+	mdelay(1);
+}
+
+static struct imx_ssi_platform_data pcm043_ssi_pdata = {
+	.ac97_reset = pcm043_ac97_cold_reset,
+	.ac97_warm_reset = pcm043_ac97_warm_reset,
+	.flags = IMX_SSI_USE_AC97,
 };
 
 static struct mxc_nand_platform_data pcm037_nand_board_info = {
@@ -212,6 +308,37 @@ static struct mxc_nand_platform_data pcm037_nand_board_info = {
 	.hw_ecc = 1,
 };
 
+static struct mxc_usbh_platform_data otg_pdata = {
+	.portsc	= MXC_EHCI_MODE_UTMI,
+	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI,
+};
+
+static struct mxc_usbh_platform_data usbh1_pdata = {
+	.portsc	= MXC_EHCI_MODE_SERIAL,
+	.flags	= MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY |
+		  MXC_EHCI_IPPUE_DOWN,
+};
+
+static struct fsl_usb2_platform_data otg_device_pdata = {
+	.operating_mode = FSL_USB2_DR_DEVICE,
+	.phy_mode       = FSL_USB2_PHY_UTMI,
+};
+
+static int otg_mode_host;
+
+static int __init pcm043_otg_mode(char *options)
+{
+	if (!strcmp(options, "host"))
+		otg_mode_host = 1;
+	else if (!strcmp(options, "device"))
+		otg_mode_host = 0;
+	else
+		pr_info("otg_mode neither \"host\" nor \"device\". "
+			"Defaulting to device\n");
+	return 0;
+}
+__setup("otg_mode=", pcm043_otg_mode);
+
 /*
  * Board specific initialization.
  */
@@ -219,10 +346,23 @@ static void __init mxc_board_init(void)
 {
 	mxc_iomux_v3_setup_multiple_pads(pcm043_pads, ARRAY_SIZE(pcm043_pads));
 
+	mxc_audmux_v2_configure_port(3,
+			MXC_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
+			MXC_AUDMUX_V2_PTCR_TFSEL(0) |
+			MXC_AUDMUX_V2_PTCR_TFSDIR,
+			MXC_AUDMUX_V2_PDCR_RXDSEL(0));
+
+	mxc_audmux_v2_configure_port(0,
+			MXC_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
+			MXC_AUDMUX_V2_PTCR_TCSEL(3) |
+			MXC_AUDMUX_V2_PTCR_TCLKDIR, /* clock is output */
+			MXC_AUDMUX_V2_PDCR_RXDSEL(3));
+
 	platform_add_devices(devices, ARRAY_SIZE(devices));
 
 	mxc_register_device(&mxc_uart_device0, &uart_pdata);
 	mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
+	mxc_register_device(&imx_ssi_device0, &pcm043_ssi_pdata);
 
 	mxc_register_device(&mxc_uart_device1, &uart_pdata);
 
@@ -235,6 +375,20 @@ static void __init mxc_board_init(void)
 
 	mxc_register_device(&mx3_ipu, &mx3_ipu_data);
 	mxc_register_device(&mx3_fb, &mx3fb_pdata);
+
+#if defined(CONFIG_USB_ULPI)
+	if (otg_mode_host) {
+		otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+				USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+
+		mxc_register_device(&mxc_otg_host, &otg_pdata);
+	}
+
+	mxc_register_device(&mxc_usbh1, &usbh1_pdata);
+#endif
+	if (!otg_mode_host)
+		mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
+
 }
 
 static void __init pcm043_timer_init(void)
@@ -248,9 +402,9 @@ struct sys_timer pcm043_timer = {
 
 MACHINE_START(PCM043, "Phytec Phycore pcm043")
 	/* Maintainer: Pengutronix */
-	.phys_io	= AIPS1_BASE_ADDR,
-	.io_pg_offst	= ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io	= MX35_AIPS1_BASE_ADDR,
+	.io_pg_offst	= ((MX35_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params    = MX3x_PHYS_OFFSET + 0x100,
 	.map_io         = mx35_map_io,
 	.init_irq       = mx35_init_irq,
 	.init_machine   = mxc_board_init,
diff --git a/arch/arm/mach-mx3/qong.c b/arch/arm/mach-mx3/mach-qong.c
index 044511f1b9a9..e5b5b8323a17 100644
--- a/arch/arm/mach-mx3/qong.c
+++ b/arch/arm/mach-mx3/mach-qong.c
@@ -43,7 +43,7 @@
 #define QONG_FPGA_VERSION(major, minor, rev)	\
 	(((major & 0xF) << 12) | ((minor & 0xF) << 8) | (rev & 0xFF))
 
-#define QONG_FPGA_BASEADDR 		CS1_BASE_ADDR
+#define QONG_FPGA_BASEADDR 		MX31_CS1_BASE_ADDR
 #define QONG_FPGA_PERIPH_SIZE 		(1 << 24)
 
 #define QONG_FPGA_CTRL_BASEADDR		QONG_FPGA_BASEADDR
@@ -115,8 +115,8 @@ static struct physmap_flash_data qong_flash_data = {
 };
 
 static struct resource qong_flash_resource = {
-	.start = CS0_BASE_ADDR,
-	.end = CS0_BASE_ADDR + QONG_NOR_SIZE - 1,
+	.start = MX31_CS0_BASE_ADDR,
+	.end = MX31_CS0_BASE_ADDR + QONG_NOR_SIZE - 1,
 	.flags = IORESOURCE_MEM,
 };
 
@@ -180,8 +180,8 @@ static struct platform_nand_data qong_nand_data = {
 };
 
 static struct resource qong_nand_resource = {
-	.start  	= CS3_BASE_ADDR,
-	.end    	= CS3_BASE_ADDR + SZ_32M - 1,
+	.start  	= MX31_CS3_BASE_ADDR,
+	.end    	= MX31_CS3_BASE_ADDR + SZ_32M - 1,
 	.flags		= IORESOURCE_MEM,
 };
 
@@ -198,9 +198,7 @@ static struct platform_device qong_nand_device = {
 static void __init qong_init_nand_mtd(void)
 {
 	/* init CS */
-	__raw_writel(0x00004f00, CSCR_U(3));
-	__raw_writel(0x20013b31, CSCR_L(3));
-	__raw_writel(0x00020800, CSCR_A(3));
+	mx31_setup_weimcs(3, 0x00004f00, 0x20013b31, 0x00020800);
 	mxc_iomux_set_gpr(MUX_SDCTL_CSD1_SEL, true);
 
 	/* enable pin */
@@ -275,9 +273,9 @@ static struct sys_timer qong_timer = {
 
 MACHINE_START(QONG, "Dave/DENX QongEVB-LITE")
 	/* Maintainer: DENX Software Engineering GmbH */
-	.phys_io        = AIPS1_BASE_ADDR,
-	.io_pg_offst    = ((AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params    = PHYS_OFFSET + 0x100,
+	.phys_io        = MX31_AIPS1_BASE_ADDR,
+	.io_pg_offst    = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
+	.boot_params    = MX3x_PHYS_OFFSET + 0x100,
 	.map_io         = mx31_map_io,
 	.init_irq       = mx31_init_irq,
 	.init_machine   = mxc_board_init,
diff --git a/arch/arm/mach-mx3/mx31lite-db.c b/arch/arm/mach-mx3/mx31lite-db.c
index 694611d6b057..ccd874225c3b 100644
--- a/arch/arm/mach-mx3/mx31lite-db.c
+++ b/arch/arm/mach-mx3/mx31lite-db.c
@@ -67,6 +67,13 @@ static unsigned int litekit_db_board_pins[] __initdata = {
 	MX31_PIN_CSPI1_SS0__SS0,
 	MX31_PIN_CSPI1_SS1__SS1,
 	MX31_PIN_CSPI1_SS2__SS2,
+	/* SDHC1 */
+	MX31_PIN_SD1_DATA0__SD1_DATA0,
+	MX31_PIN_SD1_DATA1__SD1_DATA1,
+	MX31_PIN_SD1_DATA2__SD1_DATA2,
+	MX31_PIN_SD1_DATA3__SD1_DATA3,
+	MX31_PIN_SD1_CLK__SD1_CLK,
+	MX31_PIN_SD1_CMD__SD1_CMD,
 };
 
 /* UART */
@@ -79,11 +86,11 @@ static struct imxuart_platform_data uart_pdata __initdata = {
 static int gpio_det, gpio_wp;
 
 #define MMC_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
-			PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+		     PAD_CTL_ODE_CMOS)
 
 static int mxc_mmc1_get_ro(struct device *dev)
 {
-	return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_LCS0));
+	return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_GPIO1_6));
 }
 
 static int mxc_mmc1_init(struct device *dev,
@@ -94,12 +101,17 @@ static int mxc_mmc1_init(struct device *dev,
 	gpio_det = IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1);
 	gpio_wp = IOMUX_TO_GPIO(MX31_PIN_GPIO1_6);
 
-	mxc_iomux_set_pad(MX31_PIN_SD1_DATA0, MMC_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_SD1_DATA1, MMC_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_SD1_DATA2, MMC_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_SD1_DATA3, MMC_PAD_CFG);
+	mxc_iomux_set_pad(MX31_PIN_SD1_DATA0,
+			  MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX31_PIN_SD1_DATA1,
+			  MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX31_PIN_SD1_DATA2,
+			  MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX31_PIN_SD1_DATA3,
+			  MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU);
+	mxc_iomux_set_pad(MX31_PIN_SD1_CMD,
+			  MMC_PAD_CFG | PAD_CTL_PUE_PUD | PAD_CTL_100K_PU);
 	mxc_iomux_set_pad(MX31_PIN_SD1_CLK, MMC_PAD_CFG);
-	mxc_iomux_set_pad(MX31_PIN_SD1_CMD, MMC_PAD_CFG);
 
 	ret = gpio_request(gpio_det, "MMC detect");
 	if (ret)
@@ -113,7 +125,7 @@ static int mxc_mmc1_init(struct device *dev,
 	gpio_direction_input(gpio_wp);
 
 	ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_DCD_DCE1), detect_irq,
-			  IRQF_DISABLED | IRQF_TRIGGER_FALLING,
+			  IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
 			  "MMC detect", data);
 	if (ret)
 		goto exit_free_wp;
@@ -133,7 +145,7 @@ static void mxc_mmc1_exit(struct device *dev, void *data)
 {
 	gpio_free(gpio_det);
 	gpio_free(gpio_wp);
-	free_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1), data);
+	free_irq(IOMUX_TO_IRQ(MX31_PIN_DCD_DCE1), data);
 }
 
 static struct imxmmc_platform_data mmc_pdata = {
diff --git a/arch/arm/mach-mx3/mx31moboard-devboard.c b/arch/arm/mach-mx3/mx31moboard-devboard.c
index 438428eaf769..9fbad2eb3a49 100644
--- a/arch/arm/mach-mx3/mx31moboard-devboard.c
+++ b/arch/arm/mach-mx3/mx31moboard-devboard.c
@@ -49,6 +49,9 @@ static unsigned int devboard_pins[] = {
 	MX31_PIN_CSPI1_SS2__USBH1_RCV, MX31_PIN_CSPI1_SCLK__USBH1_OEB,
 	MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, MX31_PIN_SFS6__USBH1_SUSPEND,
 	MX31_PIN_NFRE_B__GPIO1_11, MX31_PIN_NFALE__GPIO1_12,
+	/* SEL */
+	MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9,
+	MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11,
 };
 
 static struct imxuart_platform_data uart_pdata = {
@@ -108,6 +111,33 @@ static struct imxmmc_platform_data sdhc2_pdata = {
 	.exit	= devboard_sdhc2_exit,
 };
 
+#define SEL0 IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
+#define SEL1 IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
+#define SEL2 IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
+#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
+
+static void devboard_init_sel_gpios(void)
+{
+	if (!gpio_request(SEL0, "sel0")) {
+		gpio_direction_input(SEL0);
+		gpio_export(SEL0, true);
+	}
+
+	if (!gpio_request(SEL1, "sel1")) {
+		gpio_direction_input(SEL1);
+		gpio_export(SEL1, true);
+	}
+
+	if (!gpio_request(SEL2, "sel2")) {
+		gpio_direction_input(SEL2);
+		gpio_export(SEL2, true);
+	}
+
+	if (!gpio_request(SEL3, "sel3")) {
+		gpio_direction_input(SEL3);
+		gpio_export(SEL3, true);
+	}
+}
 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
 			PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
 
@@ -196,5 +226,7 @@ void __init mx31moboard_devboard_init(void)
 
 	mxc_register_device(&mxcsdhc_device1, &sdhc2_pdata);
 
+	devboard_init_sel_gpios();
+
 	devboard_usbh1_init();
 }
diff --git a/arch/arm/mach-mx3/mx31moboard-marxbot.c b/arch/arm/mach-mx3/mx31moboard-marxbot.c
index 1f44b9ccbb0f..3958515d75bf 100644
--- a/arch/arm/mach-mx3/mx31moboard-marxbot.c
+++ b/arch/arm/mach-mx3/mx31moboard-marxbot.c
@@ -66,6 +66,9 @@ static unsigned int marxbot_pins[] = {
 	MX31_PIN_CSPI1_SS2__USBH1_RCV, MX31_PIN_CSPI1_SCLK__USBH1_OEB,
 	MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, MX31_PIN_SFS6__USBH1_SUSPEND,
 	MX31_PIN_NFRE_B__GPIO1_11, MX31_PIN_NFALE__GPIO1_12,
+	/* SEL */
+	MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9,
+	MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11,
 };
 
 #define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR)
@@ -127,12 +130,12 @@ static struct imxmmc_platform_data sdhc2_pdata = {
 static void dspics_resets_init(void)
 {
 	if (!gpio_request(TRSLAT_RST_B, "translator-rst")) {
-		gpio_direction_output(TRSLAT_RST_B, 1);
+		gpio_direction_output(TRSLAT_RST_B, 0);
 		gpio_export(TRSLAT_RST_B, false);
 	}
 
 	if (!gpio_request(DSPICS_RST_B, "dspics-rst")) {
-		gpio_direction_output(DSPICS_RST_B, 1);
+		gpio_direction_output(DSPICS_RST_B, 0);
 		gpio_export(DSPICS_RST_B, false);
 	}
 }
@@ -200,7 +203,7 @@ static int __init marxbot_cam_init(void)
 	int ret = gpio_request(CAM_CHOICE, "cam-choice");
 	if (ret)
 		return ret;
-	gpio_direction_output(CAM_CHOICE, 1);
+	gpio_direction_output(CAM_CHOICE, 0);
 
 	ret = gpio_request(BASECAM_RST_B, "basecam-reset");
 	if (ret)
@@ -223,6 +226,34 @@ static int __init marxbot_cam_init(void)
 	return 0;
 }
 
+#define SEL0 IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
+#define SEL1 IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
+#define SEL2 IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
+#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
+
+static void marxbot_init_sel_gpios(void)
+{
+	if (!gpio_request(SEL0, "sel0")) {
+		gpio_direction_input(SEL0);
+		gpio_export(SEL0, true);
+	}
+
+	if (!gpio_request(SEL1, "sel1")) {
+		gpio_direction_input(SEL1);
+		gpio_export(SEL1, true);
+	}
+
+	if (!gpio_request(SEL2, "sel2")) {
+		gpio_direction_input(SEL2);
+		gpio_export(SEL2, true);
+	}
+
+	if (!gpio_request(SEL3, "sel3")) {
+		gpio_direction_input(SEL3);
+		gpio_export(SEL3, true);
+	}
+}
+
 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
 			PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
 
@@ -307,6 +338,8 @@ void __init mx31moboard_marxbot_init(void)
 	mxc_iomux_setup_multiple_pins(marxbot_pins, ARRAY_SIZE(marxbot_pins),
 		"marxbot");
 
+	marxbot_init_sel_gpios();
+
 	dspics_resets_init();
 
 	mxc_register_device(&mxcsdhc_device1, &sdhc2_pdata);
diff --git a/arch/arm/mach-mx3/mx31moboard-smartbot.c b/arch/arm/mach-mx3/mx31moboard-smartbot.c
new file mode 100644
index 000000000000..52a69fc8b14f
--- /dev/null
+++ b/arch/arm/mach-mx3/mx31moboard-smartbot.c
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/imx-uart.h>
+#include <mach/iomux-mx3.h>
+
+#include <media/soc_camera.h>
+
+#include "devices.h"
+
+static unsigned int smartbot_pins[] = {
+	/* UART1 */
+	MX31_PIN_CTS2__CTS2, MX31_PIN_RTS2__RTS2,
+	MX31_PIN_TXD2__TXD2, MX31_PIN_RXD2__RXD2,
+	/* CSI */
+	MX31_PIN_CSI_D4__CSI_D4, MX31_PIN_CSI_D5__CSI_D5,
+	MX31_PIN_CSI_D6__CSI_D6, MX31_PIN_CSI_D7__CSI_D7,
+	MX31_PIN_CSI_D8__CSI_D8, MX31_PIN_CSI_D9__CSI_D9,
+	MX31_PIN_CSI_D10__CSI_D10, MX31_PIN_CSI_D11__CSI_D11,
+	MX31_PIN_CSI_D12__CSI_D12, MX31_PIN_CSI_D13__CSI_D13,
+	MX31_PIN_CSI_D14__CSI_D14, MX31_PIN_CSI_D15__CSI_D15,
+	MX31_PIN_CSI_HSYNC__CSI_HSYNC, MX31_PIN_CSI_MCLK__CSI_MCLK,
+	MX31_PIN_CSI_PIXCLK__CSI_PIXCLK, MX31_PIN_CSI_VSYNC__CSI_VSYNC,
+	MX31_PIN_GPIO3_0__GPIO3_0, MX31_PIN_GPIO3_1__GPIO3_1,
+	/* ENABLES */
+	MX31_PIN_DTR_DCE1__GPIO2_8, MX31_PIN_DSR_DCE1__GPIO2_9,
+	MX31_PIN_RI_DCE1__GPIO2_10, MX31_PIN_DCD_DCE1__GPIO2_11,
+};
+
+static struct imxuart_platform_data uart_pdata = {
+	.flags = IMXUART_HAVE_RTSCTS,
+};
+
+#define CAM_POWER	IOMUX_TO_GPIO(MX31_PIN_GPIO3_1)
+#define CAM_RST_B	IOMUX_TO_GPIO(MX31_PIN_GPIO3_0)
+
+static int smartbot_cam_power(struct device *dev, int on)
+{
+	gpio_set_value(CAM_POWER, !on);
+	return 0;
+}
+
+static int smartbot_cam_reset(struct device *dev)
+{
+	gpio_set_value(CAM_RST_B, 0);
+	udelay(100);
+	gpio_set_value(CAM_RST_B, 1);
+	return 0;
+}
+
+static struct i2c_board_info smartbot_i2c_devices[] = {
+	{
+		I2C_BOARD_INFO("mt9t031", 0x5d),
+	},
+};
+
+static struct soc_camera_link base_iclink = {
+	.bus_id		= 0,		/* Must match with the camera ID */
+	.power		= smartbot_cam_power,
+	.reset		= smartbot_cam_reset,
+	.board_info	= &smartbot_i2c_devices[0],
+	.i2c_adapter_id	= 0,
+	.module_name	= "mt9t031",
+};
+
+static struct platform_device smartbot_camera[] = {
+	{
+		.name	= "soc-camera-pdrv",
+		.id	= 0,
+		.dev	= {
+			.platform_data = &base_iclink,
+		},
+	},
+};
+
+static struct platform_device *smartbot_cameras[] __initdata = {
+	&smartbot_camera[0],
+};
+
+static int __init smartbot_cam_init(void)
+{
+	int ret = gpio_request(CAM_RST_B, "cam-reset");
+	if (ret)
+		return ret;
+	gpio_direction_output(CAM_RST_B, 1);
+	ret = gpio_request(CAM_POWER, "cam-standby");
+	if (ret)
+		return ret;
+	gpio_direction_output(CAM_POWER, 0);
+
+	return 0;
+}
+
+#define POWER_EN IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1)
+#define DSPIC_RST_B IOMUX_TO_GPIO(MX31_PIN_DSR_DCE1)
+#define TRSLAT_RST_B IOMUX_TO_GPIO(MX31_PIN_RI_DCE1)
+#define SEL3 IOMUX_TO_GPIO(MX31_PIN_DCD_DCE1)
+
+static void smartbot_resets_init(void)
+{
+	if (!gpio_request(POWER_EN, "power-enable")) {
+		gpio_direction_output(POWER_EN, 0);
+		gpio_export(POWER_EN, false);
+	}
+
+	if (!gpio_request(DSPIC_RST_B, "dspic-rst")) {
+		gpio_direction_output(DSPIC_RST_B, 0);
+		gpio_export(DSPIC_RST_B, false);
+	}
+
+	if (!gpio_request(TRSLAT_RST_B, "translator-rst")) {
+		gpio_direction_output(TRSLAT_RST_B, 0);
+		gpio_export(TRSLAT_RST_B, false);
+	}
+
+	if (!gpio_request(SEL3, "sel3")) {
+		gpio_direction_input(SEL3);
+		gpio_export(SEL3, true);
+	}
+}
+/*
+ * system init for baseboard usage. Will be called by mx31moboard init.
+ */
+void __init mx31moboard_smartbot_init(void)
+{
+	printk(KERN_INFO "Initializing mx31smartbot peripherals\n");
+
+	mxc_iomux_setup_multiple_pins(smartbot_pins, ARRAY_SIZE(smartbot_pins),
+		"smartbot");
+
+	mxc_register_device(&mxc_uart_device1, &uart_pdata);
+
+	smartbot_resets_init();
+
+	smartbot_cam_init();
+	platform_add_devices(smartbot_cameras, ARRAY_SIZE(smartbot_cameras));
+}
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
new file mode 100644
index 000000000000..1576d51e676c
--- /dev/null
+++ b/arch/arm/mach-mx5/Kconfig
@@ -0,0 +1,18 @@
+if ARCH_MX5
+
+config ARCH_MX51
+	bool
+	default y
+	select MXC_TZIC
+	select ARCH_MXC_IOMUX_V3
+
+comment "MX5 platforms:"
+
+config MACH_MX51_BABBAGE
+	bool "Support MX51 BABBAGE platforms"
+	help
+	  Include support for MX51 Babbage platform, also known as MX51EVK in
+	  u-boot. This includes specific configurations for the board and its
+	  peripherals.
+
+endif
diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile
new file mode 100644
index 000000000000..bf23f869ef51
--- /dev/null
+++ b/arch/arm/mach-mx5/Makefile
@@ -0,0 +1,9 @@
+#
+# Makefile for the linux kernel.
+#
+
+# Object file lists.
+obj-y   := cpu.o mm.o clock-mx51.o devices.o
+
+obj-$(CONFIG_MACH_MX51_BABBAGE) += board-mx51_babbage.o
+
diff --git a/arch/arm/mach-mx5/Makefile.boot b/arch/arm/mach-mx5/Makefile.boot
new file mode 100644
index 000000000000..9939a19d99a1
--- /dev/null
+++ b/arch/arm/mach-mx5/Makefile.boot
@@ -0,0 +1,3 @@
+   zreladdr-y	:= 0x90008000
+params_phys-y	:= 0x90000100
+initrd_phys-y	:= 0x90800000
diff --git a/arch/arm/mach-mx5/board-mx51_babbage.c b/arch/arm/mach-mx5/board-mx51_babbage.c
new file mode 100644
index 000000000000..ee67a71db80d
--- /dev/null
+++ b/arch/arm/mach-mx5/board-mx51_babbage.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <mach/common.h>
+#include <mach/hardware.h>
+#include <mach/imx-uart.h>
+#include <mach/iomux-mx51.h>
+
+#include <asm/irq.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/time.h>
+
+#include "devices.h"
+
+static struct platform_device *devices[] __initdata = {
+	&mxc_fec_device,
+};
+
+static struct pad_desc mx51babbage_pads[] = {
+	/* UART1 */
+	MX51_PAD_UART1_RXD__UART1_RXD,
+	MX51_PAD_UART1_TXD__UART1_TXD,
+	MX51_PAD_UART1_RTS__UART1_RTS,
+	MX51_PAD_UART1_CTS__UART1_CTS,
+
+	/* UART2 */
+	MX51_PAD_UART2_RXD__UART2_RXD,
+	MX51_PAD_UART2_TXD__UART2_TXD,
+
+	/* UART3 */
+	MX51_PAD_EIM_D25__UART3_RXD,
+	MX51_PAD_EIM_D26__UART3_TXD,
+	MX51_PAD_EIM_D27__UART3_RTS,
+	MX51_PAD_EIM_D24__UART3_CTS,
+};
+
+/* Serial ports */
+#if defined(CONFIG_SERIAL_IMX) || defined(CONFIG_SERIAL_IMX_MODULE)
+static struct imxuart_platform_data uart_pdata = {
+	.flags = IMXUART_HAVE_RTSCTS,
+};
+
+static inline void mxc_init_imx_uart(void)
+{
+	mxc_register_device(&mxc_uart_device0, &uart_pdata);
+	mxc_register_device(&mxc_uart_device1, &uart_pdata);
+	mxc_register_device(&mxc_uart_device2, &uart_pdata);
+}
+#else /* !SERIAL_IMX */
+static inline void mxc_init_imx_uart(void)
+{
+}
+#endif /* SERIAL_IMX */
+
+/*
+ * Board specific initialization.
+ */
+static void __init mxc_board_init(void)
+{
+	mxc_iomux_v3_setup_multiple_pads(mx51babbage_pads,
+					ARRAY_SIZE(mx51babbage_pads));
+	mxc_init_imx_uart();
+	platform_add_devices(devices, ARRAY_SIZE(devices));
+}
+
+static void __init mx51_babbage_timer_init(void)
+{
+	mx51_clocks_init(32768, 24000000, 22579200, 0);
+}
+
+static struct sys_timer mxc_timer = {
+	.init	= mx51_babbage_timer_init,
+};
+
+MACHINE_START(MX51_BABBAGE, "Freescale MX51 Babbage Board")
+	/* Maintainer: Amit Kucheria <amit.kucheria@canonical.com> */
+	.phys_io = MX51_AIPS1_BASE_ADDR,
+	.io_pg_offst = ((MX51_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
+	.boot_params = PHYS_OFFSET + 0x100,
+	.map_io = mx51_map_io,
+	.init_irq = mx51_init_irq,
+	.init_machine = mxc_board_init,
+	.timer = &mxc_timer,
+MACHINE_END
diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c
new file mode 100644
index 000000000000..be90c03101cd
--- /dev/null
+++ b/arch/arm/mach-mx5/clock-mx51.c
@@ -0,0 +1,825 @@
+/*
+ * Copyright 2008-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/mm.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <asm/clkdev.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/clock.h>
+
+#include "crm_regs.h"
+
+/* External clock values passed-in by the board code */
+static unsigned long external_high_reference, external_low_reference;
+static unsigned long oscillator_reference, ckih2_reference;
+
+static struct clk osc_clk;
+static struct clk pll1_main_clk;
+static struct clk pll1_sw_clk;
+static struct clk pll2_sw_clk;
+static struct clk pll3_sw_clk;
+static struct clk lp_apm_clk;
+static struct clk periph_apm_clk;
+static struct clk ahb_clk;
+static struct clk ipg_clk;
+
+#define MAX_DPLL_WAIT_TRIES	1000 /* 1000 * udelay(1) = 1ms */
+
+static int _clk_ccgr_enable(struct clk *clk)
+{
+	u32 reg;
+
+	reg = __raw_readl(clk->enable_reg);
+	reg |= MXC_CCM_CCGRx_MOD_ON << clk->enable_shift;
+	__raw_writel(reg, clk->enable_reg);
+
+	return 0;
+}
+
+static void _clk_ccgr_disable(struct clk *clk)
+{
+	u32 reg;
+	reg = __raw_readl(clk->enable_reg);
+	reg &= ~(MXC_CCM_CCGRx_MOD_OFF << clk->enable_shift);
+	__raw_writel(reg, clk->enable_reg);
+
+}
+
+static void _clk_ccgr_disable_inwait(struct clk *clk)
+{
+	u32 reg;
+
+	reg = __raw_readl(clk->enable_reg);
+	reg &= ~(MXC_CCM_CCGRx_CG_MASK << clk->enable_shift);
+	reg |= MXC_CCM_CCGRx_MOD_IDLE << clk->enable_shift;
+	__raw_writel(reg, clk->enable_reg);
+}
+
+/*
+ * For the 4-to-1 muxed input clock
+ */
+static inline u32 _get_mux(struct clk *parent, struct clk *m0,
+			   struct clk *m1, struct clk *m2, struct clk *m3)
+{
+	if (parent == m0)
+		return 0;
+	else if (parent == m1)
+		return 1;
+	else if (parent == m2)
+		return 2;
+	else if (parent == m3)
+		return 3;
+	else
+		BUG();
+
+	return -EINVAL;
+}
+
+static inline void __iomem *_get_pll_base(struct clk *pll)
+{
+	if (pll == &pll1_main_clk)
+		return MX51_DPLL1_BASE;
+	else if (pll == &pll2_sw_clk)
+		return MX51_DPLL2_BASE;
+	else if (pll == &pll3_sw_clk)
+		return MX51_DPLL3_BASE;
+	else
+		BUG();
+
+	return NULL;
+}
+
+static unsigned long clk_pll_get_rate(struct clk *clk)
+{
+	long mfi, mfn, mfd, pdf, ref_clk, mfn_abs;
+	unsigned long dp_op, dp_mfd, dp_mfn, dp_ctl, pll_hfsm, dbl;
+	void __iomem *pllbase;
+	s64 temp;
+	unsigned long parent_rate;
+
+	parent_rate = clk_get_rate(clk->parent);
+
+	pllbase = _get_pll_base(clk);
+
+	dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
+	pll_hfsm = dp_ctl & MXC_PLL_DP_CTL_HFSM;
+	dbl = dp_ctl & MXC_PLL_DP_CTL_DPDCK0_2_EN;
+
+	if (pll_hfsm == 0) {
+		dp_op = __raw_readl(pllbase + MXC_PLL_DP_OP);
+		dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_MFD);
+		dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_MFN);
+	} else {
+		dp_op = __raw_readl(pllbase + MXC_PLL_DP_HFS_OP);
+		dp_mfd = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFD);
+		dp_mfn = __raw_readl(pllbase + MXC_PLL_DP_HFS_MFN);
+	}
+	pdf = dp_op & MXC_PLL_DP_OP_PDF_MASK;
+	mfi = (dp_op & MXC_PLL_DP_OP_MFI_MASK) >> MXC_PLL_DP_OP_MFI_OFFSET;
+	mfi = (mfi <= 5) ? 5 : mfi;
+	mfd = dp_mfd & MXC_PLL_DP_MFD_MASK;
+	mfn = mfn_abs = dp_mfn & MXC_PLL_DP_MFN_MASK;
+	/* Sign extend to 32-bits */
+	if (mfn >= 0x04000000) {
+		mfn |= 0xFC000000;
+		mfn_abs = -mfn;
+	}
+
+	ref_clk = 2 * parent_rate;
+	if (dbl != 0)
+		ref_clk *= 2;
+
+	ref_clk /= (pdf + 1);
+	temp = (u64) ref_clk * mfn_abs;
+	do_div(temp, mfd + 1);
+	if (mfn < 0)
+		temp = -temp;
+	temp = (ref_clk * mfi) + temp;
+
+	return temp;
+}
+
+static int _clk_pll_set_rate(struct clk *clk, unsigned long rate)
+{
+	u32 reg;
+	void __iomem *pllbase;
+
+	long mfi, pdf, mfn, mfd = 999999;
+	s64 temp64;
+	unsigned long quad_parent_rate;
+	unsigned long pll_hfsm, dp_ctl;
+	unsigned long parent_rate;
+
+	parent_rate = clk_get_rate(clk->parent);
+
+	pllbase = _get_pll_base(clk);
+
+	quad_parent_rate = 4 * parent_rate;
+	pdf = mfi = -1;
+	while (++pdf < 16 && mfi < 5)
+		mfi = rate * (pdf+1) / quad_parent_rate;
+	if (mfi > 15)
+		return -EINVAL;
+	pdf--;
+
+	temp64 = rate * (pdf+1) - quad_parent_rate * mfi;
+	do_div(temp64, quad_parent_rate/1000000);
+	mfn = (long)temp64;
+
+	dp_ctl = __raw_readl(pllbase + MXC_PLL_DP_CTL);
+	/* use dpdck0_2 */
+	__raw_writel(dp_ctl | 0x1000L, pllbase + MXC_PLL_DP_CTL);
+	pll_hfsm = dp_ctl & MXC_PLL_DP_CTL_HFSM;
+	if (pll_hfsm == 0) {
+		reg = mfi << 4 | pdf;
+		__raw_writel(reg, pllbase + MXC_PLL_DP_OP);
+		__raw_writel(mfd, pllbase + MXC_PLL_DP_MFD);
+		__raw_writel(mfn, pllbase + MXC_PLL_DP_MFN);
+	} else {
+		reg = mfi << 4 | pdf;
+		__raw_writel(reg, pllbase + MXC_PLL_DP_HFS_OP);
+		__raw_writel(mfd, pllbase + MXC_PLL_DP_HFS_MFD);
+		__raw_writel(mfn, pllbase + MXC_PLL_DP_HFS_MFN);
+	}
+
+	return 0;
+}
+
+static int _clk_pll_enable(struct clk *clk)
+{
+	u32 reg;
+	void __iomem *pllbase;
+	int i = 0;
+
+	pllbase = _get_pll_base(clk);
+	reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) | MXC_PLL_DP_CTL_UPEN;
+	__raw_writel(reg, pllbase + MXC_PLL_DP_CTL);
+
+	/* Wait for lock */
+	do {
+		reg = __raw_readl(pllbase + MXC_PLL_DP_CTL);
+		if (reg & MXC_PLL_DP_CTL_LRF)
+			break;
+
+		udelay(1);
+	} while (++i < MAX_DPLL_WAIT_TRIES);
+
+	if (i == MAX_DPLL_WAIT_TRIES) {
+		pr_err("MX5: pll locking failed\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static void _clk_pll_disable(struct clk *clk)
+{
+	u32 reg;
+	void __iomem *pllbase;
+
+	pllbase = _get_pll_base(clk);
+	reg = __raw_readl(pllbase + MXC_PLL_DP_CTL) & ~MXC_PLL_DP_CTL_UPEN;
+	__raw_writel(reg, pllbase + MXC_PLL_DP_CTL);
+}
+
+static int _clk_pll1_sw_set_parent(struct clk *clk, struct clk *parent)
+{
+	u32 reg, step;
+
+	reg = __raw_readl(MXC_CCM_CCSR);
+
+	/* When switching from pll_main_clk to a bypass clock, first select a
+	 * multiplexed clock in 'step_sel', then shift the glitchless mux
+	 * 'pll1_sw_clk_sel'.
+	 *
+	 * When switching back, do it in reverse order
+	 */
+	if (parent == &pll1_main_clk) {
+		/* Switch to pll1_main_clk */
+		reg &= ~MXC_CCM_CCSR_PLL1_SW_CLK_SEL;
+		__raw_writel(reg, MXC_CCM_CCSR);
+		/* step_clk mux switched to lp_apm, to save power. */
+		reg = __raw_readl(MXC_CCM_CCSR);
+		reg &= ~MXC_CCM_CCSR_STEP_SEL_MASK;
+		reg |= (MXC_CCM_CCSR_STEP_SEL_LP_APM <<
+				MXC_CCM_CCSR_STEP_SEL_OFFSET);
+	} else {
+		if (parent == &lp_apm_clk) {
+			step = MXC_CCM_CCSR_STEP_SEL_LP_APM;
+		} else  if (parent == &pll2_sw_clk) {
+			step = MXC_CCM_CCSR_STEP_SEL_PLL2_DIVIDED;
+		} else  if (parent == &pll3_sw_clk) {
+			step = MXC_CCM_CCSR_STEP_SEL_PLL3_DIVIDED;
+		} else
+			return -EINVAL;
+
+		reg &= ~MXC_CCM_CCSR_STEP_SEL_MASK;
+		reg |= (step << MXC_CCM_CCSR_STEP_SEL_OFFSET);
+
+		__raw_writel(reg, MXC_CCM_CCSR);
+		/* Switch to step_clk */
+		reg = __raw_readl(MXC_CCM_CCSR);
+		reg |= MXC_CCM_CCSR_PLL1_SW_CLK_SEL;
+	}
+	__raw_writel(reg, MXC_CCM_CCSR);
+	return 0;
+}
+
+static unsigned long clk_pll1_sw_get_rate(struct clk *clk)
+{
+	u32 reg, div;
+	unsigned long parent_rate;
+
+	parent_rate = clk_get_rate(clk->parent);
+
+	reg = __raw_readl(MXC_CCM_CCSR);
+
+	if (clk->parent == &pll2_sw_clk) {
+		div = ((reg & MXC_CCM_CCSR_PLL2_PODF_MASK) >>
+		       MXC_CCM_CCSR_PLL2_PODF_OFFSET) + 1;
+	} else if (clk->parent == &pll3_sw_clk) {
+		div = ((reg & MXC_CCM_CCSR_PLL3_PODF_MASK) >>
+		       MXC_CCM_CCSR_PLL3_PODF_OFFSET) + 1;
+	} else
+		div = 1;
+	return parent_rate / div;
+}
+
+static int _clk_pll2_sw_set_parent(struct clk *clk, struct clk *parent)
+{
+	u32 reg;
+
+	reg = __raw_readl(MXC_CCM_CCSR);
+
+	if (parent == &pll2_sw_clk)
+		reg &= ~MXC_CCM_CCSR_PLL2_SW_CLK_SEL;
+	else
+		reg |= MXC_CCM_CCSR_PLL2_SW_CLK_SEL;
+
+	__raw_writel(reg, MXC_CCM_CCSR);
+	return 0;
+}
+
+static int _clk_lp_apm_set_parent(struct clk *clk, struct clk *parent)
+{
+	u32 reg;
+
+	if (parent == &osc_clk)
+		reg = __raw_readl(MXC_CCM_CCSR) & ~MXC_CCM_CCSR_LP_APM_SEL;
+	else
+		return -EINVAL;
+
+	__raw_writel(reg, MXC_CCM_CCSR);
+
+	return 0;
+}
+
+static unsigned long clk_arm_get_rate(struct clk *clk)
+{
+	u32 cacrr, div;
+	unsigned long parent_rate;
+
+	parent_rate = clk_get_rate(clk->parent);
+	cacrr = __raw_readl(MXC_CCM_CACRR);
+	div = (cacrr & MXC_CCM_CACRR_ARM_PODF_MASK) + 1;
+
+	return parent_rate / div;
+}
+
+static int _clk_periph_apm_set_parent(struct clk *clk, struct clk *parent)
+{
+	u32 reg, mux;
+	int i = 0;
+
+	mux = _get_mux(parent, &pll1_sw_clk, &pll3_sw_clk, &lp_apm_clk, NULL);
+
+	reg = __raw_readl(MXC_CCM_CBCMR) & ~MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK;
+	reg |= mux << MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET;
+	__raw_writel(reg, MXC_CCM_CBCMR);
+
+	/* Wait for lock */
+	do {
+		reg = __raw_readl(MXC_CCM_CDHIPR);
+		if (!(reg &  MXC_CCM_CDHIPR_PERIPH_CLK_SEL_BUSY))
+			break;
+
+		udelay(1);
+	} while (++i < MAX_DPLL_WAIT_TRIES);
+
+	if (i == MAX_DPLL_WAIT_TRIES) {
+		pr_err("MX5: Set parent for periph_apm clock failed\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int _clk_main_bus_set_parent(struct clk *clk, struct clk *parent)
+{
+	u32 reg;
+
+	reg = __raw_readl(MXC_CCM_CBCDR);
+
+	if (parent == &pll2_sw_clk)
+		reg &= ~MXC_CCM_CBCDR_PERIPH_CLK_SEL;
+	else if (parent == &periph_apm_clk)
+		reg |= MXC_CCM_CBCDR_PERIPH_CLK_SEL;
+	else
+		return -EINVAL;
+
+	__raw_writel(reg, MXC_CCM_CBCDR);
+
+	return 0;
+}
+
+static struct clk main_bus_clk = {
+	.parent = &pll2_sw_clk,
+	.set_parent = _clk_main_bus_set_parent,
+};
+
+static unsigned long clk_ahb_get_rate(struct clk *clk)
+{
+	u32 reg, div;
+	unsigned long parent_rate;
+
+	parent_rate = clk_get_rate(clk->parent);
+
+	reg = __raw_readl(MXC_CCM_CBCDR);
+	div = ((reg & MXC_CCM_CBCDR_AHB_PODF_MASK) >>
+	       MXC_CCM_CBCDR_AHB_PODF_OFFSET) + 1;
+	return parent_rate / div;
+}
+
+
+static int _clk_ahb_set_rate(struct clk *clk, unsigned long rate)
+{
+	u32 reg, div;
+	unsigned long parent_rate;
+	int i = 0;
+
+	parent_rate = clk_get_rate(clk->parent);
+
+	div = parent_rate / rate;
+	if (div > 8 || div < 1 || ((parent_rate / div) != rate))
+		return -EINVAL;
+
+	reg = __raw_readl(MXC_CCM_CBCDR);
+	reg &= ~MXC_CCM_CBCDR_AHB_PODF_MASK;
+	reg |= (div - 1) << MXC_CCM_CBCDR_AHB_PODF_OFFSET;
+	__raw_writel(reg, MXC_CCM_CBCDR);
+
+	/* Wait for lock */
+	do {
+		reg = __raw_readl(MXC_CCM_CDHIPR);
+		if (!(reg & MXC_CCM_CDHIPR_AHB_PODF_BUSY))
+			break;
+
+		udelay(1);
+	} while (++i < MAX_DPLL_WAIT_TRIES);
+
+	if (i == MAX_DPLL_WAIT_TRIES) {
+		pr_err("MX5: clk_ahb_set_rate failed\n");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static unsigned long _clk_ahb_round_rate(struct clk *clk,
+						unsigned long rate)
+{
+	u32 div;
+	unsigned long parent_rate;
+
+	parent_rate = clk_get_rate(clk->parent);
+
+	div = parent_rate / rate;
+	if (div > 8)
+		div = 8;
+	else if (div == 0)
+		div++;
+	return parent_rate / div;
+}
+
+
+static int _clk_max_enable(struct clk *clk)
+{
+	u32 reg;
+
+	_clk_ccgr_enable(clk);
+
+	/* Handshake with MAX when LPM is entered. */
+	reg = __raw_readl(MXC_CCM_CLPCR);
+	reg &= ~MXC_CCM_CLPCR_BYPASS_MAX_LPM_HS;
+	__raw_writel(reg, MXC_CCM_CLPCR);
+
+	return 0;
+}
+
+static void _clk_max_disable(struct clk *clk)
+{
+	u32 reg;
+
+	_clk_ccgr_disable_inwait(clk);
+
+	/* No Handshake with MAX when LPM is entered as its disabled. */
+	reg = __raw_readl(MXC_CCM_CLPCR);
+	reg |= MXC_CCM_CLPCR_BYPASS_MAX_LPM_HS;
+	__raw_writel(reg, MXC_CCM_CLPCR);
+}
+
+static unsigned long clk_ipg_get_rate(struct clk *clk)
+{
+	u32 reg, div;
+	unsigned long parent_rate;
+
+	parent_rate = clk_get_rate(clk->parent);
+
+	reg = __raw_readl(MXC_CCM_CBCDR);
+	div = ((reg & MXC_CCM_CBCDR_IPG_PODF_MASK) >>
+	       MXC_CCM_CBCDR_IPG_PODF_OFFSET) + 1;
+
+	return parent_rate / div;
+}
+
+static unsigned long clk_ipg_per_get_rate(struct clk *clk)
+{
+	u32 reg, prediv1, prediv2, podf;
+	unsigned long parent_rate;
+
+	parent_rate = clk_get_rate(clk->parent);
+
+	if (clk->parent == &main_bus_clk || clk->parent == &lp_apm_clk) {
+		/* the main_bus_clk is the one before the DVFS engine */
+		reg = __raw_readl(MXC_CCM_CBCDR);
+		prediv1 = ((reg & MXC_CCM_CBCDR_PERCLK_PRED1_MASK) >>
+			   MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET) + 1;
+		prediv2 = ((reg & MXC_CCM_CBCDR_PERCLK_PRED2_MASK) >>
+			   MXC_CCM_CBCDR_PERCLK_PRED2_OFFSET) + 1;
+		podf = ((reg & MXC_CCM_CBCDR_PERCLK_PODF_MASK) >>
+			MXC_CCM_CBCDR_PERCLK_PODF_OFFSET) + 1;
+		return parent_rate / (prediv1 * prediv2 * podf);
+	} else if (clk->parent == &ipg_clk)
+		return parent_rate;
+	else
+		BUG();
+}
+
+static int _clk_ipg_per_set_parent(struct clk *clk, struct clk *parent)
+{
+	u32 reg;
+
+	reg = __raw_readl(MXC_CCM_CBCMR);
+
+	reg &= ~MXC_CCM_CBCMR_PERCLK_LP_APM_CLK_SEL;
+	reg &= ~MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL;
+
+	if (parent == &ipg_clk)
+		reg |= MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL;
+	else if (parent == &lp_apm_clk)
+		reg |= MXC_CCM_CBCMR_PERCLK_LP_APM_CLK_SEL;
+	else if (parent != &main_bus_clk)
+		return -EINVAL;
+
+	__raw_writel(reg, MXC_CCM_CBCMR);
+
+	return 0;
+}
+
+static unsigned long clk_uart_get_rate(struct clk *clk)
+{
+	u32 reg, prediv, podf;
+	unsigned long parent_rate;
+
+	parent_rate = clk_get_rate(clk->parent);
+
+	reg = __raw_readl(MXC_CCM_CSCDR1);
+	prediv = ((reg & MXC_CCM_CSCDR1_UART_CLK_PRED_MASK) >>
+		  MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET) + 1;
+	podf = ((reg & MXC_CCM_CSCDR1_UART_CLK_PODF_MASK) >>
+		MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET) + 1;
+
+	return parent_rate / (prediv * podf);
+}
+
+static int _clk_uart_set_parent(struct clk *clk, struct clk *parent)
+{
+	u32 reg, mux;
+
+	mux = _get_mux(parent, &pll1_sw_clk, &pll2_sw_clk, &pll3_sw_clk,
+		       &lp_apm_clk);
+	reg = __raw_readl(MXC_CCM_CSCMR1) & ~MXC_CCM_CSCMR1_UART_CLK_SEL_MASK;
+	reg |= mux << MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET;
+	__raw_writel(reg, MXC_CCM_CSCMR1);
+
+	return 0;
+}
+
+static unsigned long get_high_reference_clock_rate(struct clk *clk)
+{
+	return external_high_reference;
+}
+
+static unsigned long get_low_reference_clock_rate(struct clk *clk)
+{
+	return external_low_reference;
+}
+
+static unsigned long get_oscillator_reference_clock_rate(struct clk *clk)
+{
+	return oscillator_reference;
+}
+
+static unsigned long get_ckih2_reference_clock_rate(struct clk *clk)
+{
+	return ckih2_reference;
+}
+
+/* External high frequency clock */
+static struct clk ckih_clk = {
+	.get_rate = get_high_reference_clock_rate,
+};
+
+static struct clk ckih2_clk = {
+	.get_rate = get_ckih2_reference_clock_rate,
+};
+
+static struct clk osc_clk = {
+	.get_rate = get_oscillator_reference_clock_rate,
+};
+
+/* External low frequency (32kHz) clock */
+static struct clk ckil_clk = {
+	.get_rate = get_low_reference_clock_rate,
+};
+
+static struct clk pll1_main_clk = {
+	.parent = &osc_clk,
+	.get_rate = clk_pll_get_rate,
+	.enable = _clk_pll_enable,
+	.disable = _clk_pll_disable,
+};
+
+/* Clock tree block diagram (WIP):
+ * 	CCM: Clock Controller Module
+ *
+ * PLL output -> |
+ *               | CCM Switcher -> CCM_CLK_ROOT_GEN ->
+ * PLL bypass -> |
+ *
+ */
+
+/* PLL1 SW supplies to ARM core */
+static struct clk pll1_sw_clk = {
+	.parent = &pll1_main_clk,
+	.set_parent = _clk_pll1_sw_set_parent,
+	.get_rate = clk_pll1_sw_get_rate,
+};
+
+/* PLL2 SW supplies to AXI/AHB/IP buses */
+static struct clk pll2_sw_clk = {
+	.parent = &osc_clk,
+	.get_rate = clk_pll_get_rate,
+	.set_rate = _clk_pll_set_rate,
+	.set_parent = _clk_pll2_sw_set_parent,
+	.enable = _clk_pll_enable,
+	.disable = _clk_pll_disable,
+};
+
+/* PLL3 SW supplies to serial clocks like USB, SSI, etc. */
+static struct clk pll3_sw_clk = {
+	.parent = &osc_clk,
+	.set_rate = _clk_pll_set_rate,
+	.get_rate = clk_pll_get_rate,
+	.enable = _clk_pll_enable,
+	.disable = _clk_pll_disable,
+};
+
+/* Low-power Audio Playback Mode clock */
+static struct clk lp_apm_clk = {
+	.parent = &osc_clk,
+	.set_parent = _clk_lp_apm_set_parent,
+};
+
+static struct clk periph_apm_clk = {
+	.parent = &pll1_sw_clk,
+	.set_parent = _clk_periph_apm_set_parent,
+};
+
+static struct clk cpu_clk = {
+	.parent = &pll1_sw_clk,
+	.get_rate = clk_arm_get_rate,
+};
+
+static struct clk ahb_clk = {
+	.parent = &main_bus_clk,
+	.get_rate = clk_ahb_get_rate,
+	.set_rate = _clk_ahb_set_rate,
+	.round_rate = _clk_ahb_round_rate,
+};
+
+/* Main IP interface clock for access to registers */
+static struct clk ipg_clk = {
+	.parent = &ahb_clk,
+	.get_rate = clk_ipg_get_rate,
+};
+
+static struct clk ipg_perclk = {
+	.parent = &lp_apm_clk,
+	.get_rate = clk_ipg_per_get_rate,
+	.set_parent = _clk_ipg_per_set_parent,
+};
+
+static struct clk uart_root_clk = {
+	.parent = &pll2_sw_clk,
+	.get_rate = clk_uart_get_rate,
+	.set_parent = _clk_uart_set_parent,
+};
+
+static struct clk ahb_max_clk = {
+	.parent = &ahb_clk,
+	.enable_reg = MXC_CCM_CCGR0,
+	.enable_shift = MXC_CCM_CCGRx_CG14_OFFSET,
+	.enable = _clk_max_enable,
+	.disable = _clk_max_disable,
+};
+
+static struct clk aips_tz1_clk = {
+	.parent = &ahb_clk,
+	.secondary = &ahb_max_clk,
+	.enable_reg = MXC_CCM_CCGR0,
+	.enable_shift = MXC_CCM_CCGRx_CG12_OFFSET,
+	.enable = _clk_ccgr_enable,
+	.disable = _clk_ccgr_disable_inwait,
+};
+
+static struct clk aips_tz2_clk = {
+	.parent = &ahb_clk,
+	.secondary = &ahb_max_clk,
+	.enable_reg = MXC_CCM_CCGR0,
+	.enable_shift = MXC_CCM_CCGRx_CG13_OFFSET,
+	.enable = _clk_ccgr_enable,
+	.disable = _clk_ccgr_disable_inwait,
+};
+
+static struct clk gpt_32k_clk = {
+	.id = 0,
+	.parent = &ckil_clk,
+};
+
+#define DEFINE_CLOCK(name, i, er, es, gr, sr, p, s)	\
+	static struct clk name = {			\
+		.id		= i,			\
+		.enable_reg	= er,			\
+		.enable_shift	= es,			\
+		.get_rate	= gr,			\
+		.set_rate	= sr,			\
+		.enable		= _clk_ccgr_enable,	\
+		.disable	= _clk_ccgr_disable,	\
+		.parent		= p,			\
+		.secondary	= s,			\
+	}
+
+/* DEFINE_CLOCK(name, id, enable_reg, enable_shift,
+   get_rate, set_rate, parent, secondary); */
+
+/* Shared peripheral bus arbiter */
+DEFINE_CLOCK(spba_clk, 0, MXC_CCM_CCGR5, MXC_CCM_CCGRx_CG0_OFFSET,
+	NULL,  NULL, &ipg_clk, NULL);
+
+/* UART */
+DEFINE_CLOCK(uart1_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG4_OFFSET,
+	NULL,  NULL, &uart_root_clk, NULL);
+DEFINE_CLOCK(uart2_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG6_OFFSET,
+	NULL,  NULL, &uart_root_clk, NULL);
+DEFINE_CLOCK(uart3_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG8_OFFSET,
+	NULL,  NULL, &uart_root_clk, NULL);
+DEFINE_CLOCK(uart1_ipg_clk, 0, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG3_OFFSET,
+	NULL,  NULL, &ipg_clk, &aips_tz1_clk);
+DEFINE_CLOCK(uart2_ipg_clk, 1, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG5_OFFSET,
+	NULL,  NULL, &ipg_clk, &aips_tz1_clk);
+DEFINE_CLOCK(uart3_ipg_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG7_OFFSET,
+	NULL,  NULL, &ipg_clk, &spba_clk);
+
+/* GPT */
+DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET,
+	NULL,  NULL, &ipg_perclk, NULL);
+DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET,
+	NULL,  NULL, &ipg_clk, NULL);
+
+/* FEC */
+DEFINE_CLOCK(fec_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG12_OFFSET,
+	NULL,  NULL, &ipg_clk, NULL);
+
+#define _REGISTER_CLOCK(d, n, c) \
+       { \
+		.dev_id = d, \
+		.con_id = n, \
+		.clk = &c,   \
+       },
+
+static struct clk_lookup lookups[] = {
+	_REGISTER_CLOCK("imx-uart.0", NULL, uart1_clk)
+	_REGISTER_CLOCK("imx-uart.1", NULL, uart2_clk)
+	_REGISTER_CLOCK("imx-uart.2", NULL, uart3_clk)
+	_REGISTER_CLOCK(NULL, "gpt", gpt_clk)
+	_REGISTER_CLOCK("fec.0", NULL, fec_clk)
+};
+
+static void clk_tree_init(void)
+{
+	u32 reg;
+
+	ipg_perclk.set_parent(&ipg_perclk, &lp_apm_clk);
+
+	/*
+	 * Initialise the IPG PER CLK dividers to 3. IPG_PER_CLK should be at
+	 * 8MHz, its derived from lp_apm.
+	 *
+	 * FIXME: Verify if true for all boards
+	 */
+	reg = __raw_readl(MXC_CCM_CBCDR);
+	reg &= ~MXC_CCM_CBCDR_PERCLK_PRED1_MASK;
+	reg &= ~MXC_CCM_CBCDR_PERCLK_PRED2_MASK;
+	reg &= ~MXC_CCM_CBCDR_PERCLK_PODF_MASK;
+	reg |= (2 << MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET);
+	__raw_writel(reg, MXC_CCM_CBCDR);
+}
+
+int __init mx51_clocks_init(unsigned long ckil, unsigned long osc,
+			unsigned long ckih1, unsigned long ckih2)
+{
+	int i;
+
+	external_low_reference = ckil;
+	external_high_reference = ckih1;
+	ckih2_reference = ckih2;
+	oscillator_reference = osc;
+
+	for (i = 0; i < ARRAY_SIZE(lookups); i++)
+		clkdev_add(&lookups[i]);
+
+	clk_tree_init();
+
+	clk_enable(&cpu_clk);
+	clk_enable(&main_bus_clk);
+
+	/* System timer */
+	mxc_timer_init(&gpt_clk, MX51_IO_ADDRESS(MX51_GPT1_BASE_ADDR),
+		MX51_MXC_INT_GPT);
+	return 0;
+}
diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c
new file mode 100644
index 000000000000..41c769f08c4d
--- /dev/null
+++ b/arch/arm/mach-mx5/cpu.c
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * This file contains the CPU initialization code.
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <mach/hardware.h>
+#include <asm/io.h>
+
+static int __init post_cpu_init(void)
+{
+	unsigned int reg;
+	void __iomem *base;
+
+	if (!cpu_is_mx51())
+		return 0;
+
+	base = MX51_IO_ADDRESS(MX51_AIPS1_BASE_ADDR);
+	__raw_writel(0x0, base + 0x40);
+	__raw_writel(0x0, base + 0x44);
+	__raw_writel(0x0, base + 0x48);
+	__raw_writel(0x0, base + 0x4C);
+	reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
+	__raw_writel(reg, base + 0x50);
+
+	base = MX51_IO_ADDRESS(MX51_AIPS2_BASE_ADDR);
+	__raw_writel(0x0, base + 0x40);
+	__raw_writel(0x0, base + 0x44);
+	__raw_writel(0x0, base + 0x48);
+	__raw_writel(0x0, base + 0x4C);
+	reg = __raw_readl(base + 0x50) & 0x00FFFFFF;
+	__raw_writel(reg, base + 0x50);
+
+	return 0;
+}
+
+postcore_initcall(post_cpu_init);
diff --git a/arch/arm/mach-mx5/crm_regs.h b/arch/arm/mach-mx5/crm_regs.h
new file mode 100644
index 000000000000..c776b9af0624
--- /dev/null
+++ b/arch/arm/mach-mx5/crm_regs.h
@@ -0,0 +1,583 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+#ifndef __ARCH_ARM_MACH_MX51_CRM_REGS_H__
+#define __ARCH_ARM_MACH_MX51_CRM_REGS_H__
+
+#define MX51_CCM_BASE		MX51_IO_ADDRESS(MX51_CCM_BASE_ADDR)
+#define MX51_DPLL1_BASE		MX51_IO_ADDRESS(MX51_PLL1_BASE_ADDR)
+#define MX51_DPLL2_BASE		MX51_IO_ADDRESS(MX51_PLL2_BASE_ADDR)
+#define MX51_DPLL3_BASE		MX51_IO_ADDRESS(MX51_PLL3_BASE_ADDR)
+#define MX51_CORTEXA8_BASE	MX51_IO_ADDRESS(MX51_ARM_BASE_ADDR)
+#define MX51_GPC_BASE		MX51_IO_ADDRESS(MX51_GPC_BASE_ADDR)
+
+/* PLL Register Offsets */
+#define MXC_PLL_DP_CTL			0x00
+#define MXC_PLL_DP_CONFIG		0x04
+#define MXC_PLL_DP_OP			0x08
+#define MXC_PLL_DP_MFD			0x0C
+#define MXC_PLL_DP_MFN			0x10
+#define MXC_PLL_DP_MFNMINUS		0x14
+#define MXC_PLL_DP_MFNPLUS		0x18
+#define MXC_PLL_DP_HFS_OP		0x1C
+#define MXC_PLL_DP_HFS_MFD		0x20
+#define MXC_PLL_DP_HFS_MFN		0x24
+#define MXC_PLL_DP_MFN_TOGC		0x28
+#define MXC_PLL_DP_DESTAT		0x2c
+
+/* PLL Register Bit definitions */
+#define MXC_PLL_DP_CTL_MUL_CTRL		0x2000
+#define MXC_PLL_DP_CTL_DPDCK0_2_EN	0x1000
+#define MXC_PLL_DP_CTL_DPDCK0_2_OFFSET	12
+#define MXC_PLL_DP_CTL_ADE		0x800
+#define MXC_PLL_DP_CTL_REF_CLK_DIV	0x400
+#define MXC_PLL_DP_CTL_REF_CLK_SEL_MASK	(3 << 8)
+#define MXC_PLL_DP_CTL_REF_CLK_SEL_OFFSET	8
+#define MXC_PLL_DP_CTL_HFSM		0x80
+#define MXC_PLL_DP_CTL_PRE		0x40
+#define MXC_PLL_DP_CTL_UPEN		0x20
+#define MXC_PLL_DP_CTL_RST		0x10
+#define MXC_PLL_DP_CTL_RCP		0x8
+#define MXC_PLL_DP_CTL_PLM		0x4
+#define MXC_PLL_DP_CTL_BRM0		0x2
+#define MXC_PLL_DP_CTL_LRF		0x1
+
+#define MXC_PLL_DP_CONFIG_BIST		0x8
+#define MXC_PLL_DP_CONFIG_SJC_CE	0x4
+#define MXC_PLL_DP_CONFIG_AREN		0x2
+#define MXC_PLL_DP_CONFIG_LDREQ		0x1
+
+#define MXC_PLL_DP_OP_MFI_OFFSET	4
+#define MXC_PLL_DP_OP_MFI_MASK		(0xF << 4)
+#define MXC_PLL_DP_OP_PDF_OFFSET	0
+#define MXC_PLL_DP_OP_PDF_MASK		0xF
+
+#define MXC_PLL_DP_MFD_OFFSET		0
+#define MXC_PLL_DP_MFD_MASK		0x07FFFFFF
+
+#define MXC_PLL_DP_MFN_OFFSET		0x0
+#define MXC_PLL_DP_MFN_MASK		0x07FFFFFF
+
+#define MXC_PLL_DP_MFN_TOGC_TOG_DIS	(1 << 17)
+#define MXC_PLL_DP_MFN_TOGC_TOG_EN	(1 << 16)
+#define MXC_PLL_DP_MFN_TOGC_CNT_OFFSET	0x0
+#define MXC_PLL_DP_MFN_TOGC_CNT_MASK	0xFFFF
+
+#define MXC_PLL_DP_DESTAT_TOG_SEL	(1 << 31)
+#define MXC_PLL_DP_DESTAT_MFN		0x07FFFFFF
+
+/* Register addresses of CCM*/
+#define MXC_CCM_CCR		(MX51_CCM_BASE + 0x00)
+#define MXC_CCM_CCDR		(MX51_CCM_BASE + 0x04)
+#define MXC_CCM_CSR		(MX51_CCM_BASE + 0x08)
+#define MXC_CCM_CCSR		(MX51_CCM_BASE + 0x0C)
+#define MXC_CCM_CACRR		(MX51_CCM_BASE + 0x10)
+#define MXC_CCM_CBCDR		(MX51_CCM_BASE + 0x14)
+#define MXC_CCM_CBCMR		(MX51_CCM_BASE + 0x18)
+#define MXC_CCM_CSCMR1		(MX51_CCM_BASE + 0x1C)
+#define MXC_CCM_CSCMR2		(MX51_CCM_BASE + 0x20)
+#define MXC_CCM_CSCDR1		(MX51_CCM_BASE + 0x24)
+#define MXC_CCM_CS1CDR		(MX51_CCM_BASE + 0x28)
+#define MXC_CCM_CS2CDR		(MX51_CCM_BASE + 0x2C)
+#define MXC_CCM_CDCDR		(MX51_CCM_BASE + 0x30)
+#define MXC_CCM_CHSCDR		(MX51_CCM_BASE + 0x34)
+#define MXC_CCM_CSCDR2		(MX51_CCM_BASE + 0x38)
+#define MXC_CCM_CSCDR3		(MX51_CCM_BASE + 0x3C)
+#define MXC_CCM_CSCDR4		(MX51_CCM_BASE + 0x40)
+#define MXC_CCM_CWDR		(MX51_CCM_BASE + 0x44)
+#define MXC_CCM_CDHIPR		(MX51_CCM_BASE + 0x48)
+#define MXC_CCM_CDCR		(MX51_CCM_BASE + 0x4C)
+#define MXC_CCM_CTOR		(MX51_CCM_BASE + 0x50)
+#define MXC_CCM_CLPCR		(MX51_CCM_BASE + 0x54)
+#define MXC_CCM_CISR		(MX51_CCM_BASE + 0x58)
+#define MXC_CCM_CIMR		(MX51_CCM_BASE + 0x5C)
+#define MXC_CCM_CCOSR		(MX51_CCM_BASE + 0x60)
+#define MXC_CCM_CGPR		(MX51_CCM_BASE + 0x64)
+#define MXC_CCM_CCGR0		(MX51_CCM_BASE + 0x68)
+#define MXC_CCM_CCGR1		(MX51_CCM_BASE + 0x6C)
+#define MXC_CCM_CCGR2		(MX51_CCM_BASE + 0x70)
+#define MXC_CCM_CCGR3		(MX51_CCM_BASE + 0x74)
+#define MXC_CCM_CCGR4		(MX51_CCM_BASE + 0x78)
+#define MXC_CCM_CCGR5		(MX51_CCM_BASE + 0x7C)
+#define MXC_CCM_CCGR6		(MX51_CCM_BASE + 0x80)
+#define MXC_CCM_CMEOR		(MX51_CCM_BASE + 0x84)
+
+/* Define the bits in register CCR */
+#define MXC_CCM_CCR_COSC_EN		(1 << 12)
+#define MXC_CCM_CCR_FPM_MULT_MASK	(1 << 11)
+#define MXC_CCM_CCR_CAMP2_EN		(1 << 10)
+#define MXC_CCM_CCR_CAMP1_EN		(1 << 9)
+#define MXC_CCM_CCR_FPM_EN		(1 << 8)
+#define MXC_CCM_CCR_OSCNT_OFFSET	(0)
+#define MXC_CCM_CCR_OSCNT_MASK	(0xFF)
+
+/* Define the bits in register CCDR */
+#define MXC_CCM_CCDR_HSC_HS_MASK	(0x1 << 18)
+#define MXC_CCM_CCDR_IPU_HS_MASK	(0x1 << 17)
+#define MXC_CCM_CCDR_EMI_HS_MASK	(0x1 << 16)
+
+/* Define the bits in register CSR */
+#define MXC_CCM_CSR_COSR_READY	(1 << 5)
+#define MXC_CCM_CSR_LVS_VALUE	(1 << 4)
+#define MXC_CCM_CSR_CAMP2_READY	(1 << 3)
+#define MXC_CCM_CSR_CAMP1_READY	(1 << 2)
+#define MXC_CCM_CSR_FPM_READY	(1 << 1)
+#define MXC_CCM_CSR_REF_EN_B	(1 << 0)
+
+/* Define the bits in register CCSR */
+#define MXC_CCM_CCSR_LP_APM_SEL		(0x1 << 9)
+#define MXC_CCM_CCSR_STEP_SEL_OFFSET	(7)
+#define MXC_CCM_CCSR_STEP_SEL_MASK	(0x3 << 7)
+#define MXC_CCM_CCSR_STEP_SEL_LP_APM	   0
+#define MXC_CCM_CCSR_STEP_SEL_PLL1_BYPASS  1 /* Only when JTAG connected? */
+#define MXC_CCM_CCSR_STEP_SEL_PLL2_DIVIDED 2
+#define MXC_CCM_CCSR_STEP_SEL_PLL3_DIVIDED 3
+#define MXC_CCM_CCSR_PLL2_PODF_OFFSET	(5)
+#define MXC_CCM_CCSR_PLL2_PODF_MASK	(0x3 << 5)
+#define MXC_CCM_CCSR_PLL3_PODF_OFFSET	(3)
+#define MXC_CCM_CCSR_PLL3_PODF_MASK	(0x3 << 3)
+#define MXC_CCM_CCSR_PLL1_SW_CLK_SEL	(1 << 2) /* 0: pll1_main_clk,
+						    1: step_clk */
+#define MXC_CCM_CCSR_PLL2_SW_CLK_SEL	(1 << 1)
+#define MXC_CCM_CCSR_PLL3_SW_CLK_SEL	(1 << 0)
+
+/* Define the bits in register CACRR */
+#define MXC_CCM_CACRR_ARM_PODF_OFFSET	(0)
+#define MXC_CCM_CACRR_ARM_PODF_MASK	(0x7)
+
+/* Define the bits in register CBCDR */
+#define MXC_CCM_CBCDR_EMI_CLK_SEL		(0x1 << 26)
+#define MXC_CCM_CBCDR_PERIPH_CLK_SEL		(0x1 << 25)
+#define MXC_CCM_CBCDR_DDR_HF_SEL_OFFSET		(30)
+#define MXC_CCM_CBCDR_DDR_HF_SEL		(0x1 << 30)
+#define MXC_CCM_CBCDR_DDR_PODF_OFFSET		(27)
+#define MXC_CCM_CBCDR_DDR_PODF_MASK		(0x7 << 27)
+#define MXC_CCM_CBCDR_EMI_PODF_OFFSET		(22)
+#define MXC_CCM_CBCDR_EMI_PODF_MASK		(0x7 << 22)
+#define MXC_CCM_CBCDR_AXI_B_PODF_OFFSET		(19)
+#define MXC_CCM_CBCDR_AXI_B_PODF_MASK		(0x7 << 19)
+#define MXC_CCM_CBCDR_AXI_A_PODF_OFFSET		(16)
+#define MXC_CCM_CBCDR_AXI_A_PODF_MASK		(0x7 << 16)
+#define MXC_CCM_CBCDR_NFC_PODF_OFFSET		(13)
+#define MXC_CCM_CBCDR_NFC_PODF_MASK		(0x7 << 13)
+#define MXC_CCM_CBCDR_AHB_PODF_OFFSET		(10)
+#define MXC_CCM_CBCDR_AHB_PODF_MASK		(0x7 << 10)
+#define MXC_CCM_CBCDR_IPG_PODF_OFFSET		(8)
+#define MXC_CCM_CBCDR_IPG_PODF_MASK		(0x3 << 8)
+#define MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET	(6)
+#define MXC_CCM_CBCDR_PERCLK_PRED1_MASK		(0x3 << 6)
+#define MXC_CCM_CBCDR_PERCLK_PRED2_OFFSET	(3)
+#define MXC_CCM_CBCDR_PERCLK_PRED2_MASK		(0x7 << 3)
+#define MXC_CCM_CBCDR_PERCLK_PODF_OFFSET	(0)
+#define MXC_CCM_CBCDR_PERCLK_PODF_MASK		(0x7)
+
+/* Define the bits in register CBCMR */
+#define MXC_CCM_CBCMR_VPU_AXI_CLK_SEL_OFFSET	(14)
+#define MXC_CCM_CBCMR_VPU_AXI_CLK_SEL_MASK	(0x3 << 14)
+#define MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET	(12)
+#define MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK	(0x3 << 12)
+#define MXC_CCM_CBCMR_DDR_CLK_SEL_OFFSET	(10)
+#define MXC_CCM_CBCMR_DDR_CLK_SEL_MASK		(0x3 << 10)
+#define MXC_CCM_CBCMR_ARM_AXI_CLK_SEL_OFFSET	(8)
+#define MXC_CCM_CBCMR_ARM_AXI_CLK_SEL_MASK	(0x3 << 8)
+#define MXC_CCM_CBCMR_IPU_HSP_CLK_SEL_OFFSET	(6)
+#define MXC_CCM_CBCMR_IPU_HSP_CLK_SEL_MASK	(0x3 << 6)
+#define MXC_CCM_CBCMR_GPU_CLK_SEL_OFFSET	(4)
+#define MXC_CCM_CBCMR_GPU_CLK_SEL_MASK		(0x3 << 4)
+#define MXC_CCM_CBCMR_GPU2D_CLK_SEL_OFFSET	(14)
+#define MXC_CCM_CBCMR_GPU2D_CLK_SEL_MASK	(0x3 << 14)
+#define MXC_CCM_CBCMR_PERCLK_LP_APM_CLK_SEL	(0x1 << 1)
+#define MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL	(0x1 << 0)
+
+/* Define the bits in register CSCMR1 */
+#define MXC_CCM_CSCMR1_SSI_EXT2_CLK_SEL_OFFSET		(30)
+#define MXC_CCM_CSCMR1_SSI_EXT2_CLK_SEL_MASK		(0x3 << 30)
+#define MXC_CCM_CSCMR1_SSI_EXT1_CLK_SEL_OFFSET		(28)
+#define MXC_CCM_CSCMR1_SSI_EXT1_CLK_SEL_MASK		(0x3 << 28)
+#define MXC_CCM_CSCMR1_USB_PHY_CLK_SEL_OFFSET		(26)
+#define MXC_CCM_CSCMR1_USB_PHY_CLK_SEL			(0x1 << 26)
+#define MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET		(24)
+#define MXC_CCM_CSCMR1_UART_CLK_SEL_MASK		(0x3 << 24)
+#define MXC_CCM_CSCMR1_USBOH3_CLK_SEL_OFFSET		(22)
+#define MXC_CCM_CSCMR1_USBOH3_CLK_SEL_MASK		(0x3 << 22)
+#define MXC_CCM_CSCMR1_ESDHC1_MSHC1_CLK_SEL_OFFSET	(20)
+#define MXC_CCM_CSCMR1_ESDHC1_MSHC1_CLK_SEL_MASK	(0x3 << 20)
+#define MXC_CCM_CSCMR1_ESDHC3_CLK_SEL			(0x1 << 19)
+#define MXC_CCM_CSCMR1_ESDHC4_CLK_SEL			(0x1 << 18)
+#define MXC_CCM_CSCMR1_ESDHC2_MSHC2_CLK_SEL_OFFSET	(16)
+#define MXC_CCM_CSCMR1_ESDHC2_MSHC2_CLK_SEL_MASK	(0x3 << 16)
+#define MXC_CCM_CSCMR1_SSI1_CLK_SEL_OFFSET		(14)
+#define MXC_CCM_CSCMR1_SSI1_CLK_SEL_MASK		(0x3 << 14)
+#define MXC_CCM_CSCMR1_SSI2_CLK_SEL_OFFSET		(12)
+#define MXC_CCM_CSCMR1_SSI2_CLK_SEL_MASK		(0x3 << 12)
+#define MXC_CCM_CSCMR1_SSI3_CLK_SEL			(0x1 << 11)
+#define MXC_CCM_CSCMR1_VPU_RCLK_SEL			(0x1 << 10)
+#define MXC_CCM_CSCMR1_SSI_APM_CLK_SEL_OFFSET		(8)
+#define MXC_CCM_CSCMR1_SSI_APM_CLK_SEL_MASK		(0x3 << 8)
+#define MXC_CCM_CSCMR1_TVE_CLK_SEL			(0x1 << 7)
+#define MXC_CCM_CSCMR1_TVE_EXT_CLK_SEL			(0x1 << 6)
+#define MXC_CCM_CSCMR1_CSPI_CLK_SEL_OFFSET		(4)
+#define MXC_CCM_CSCMR1_CSPI_CLK_SEL_MASK		(0x3 << 4)
+#define MXC_CCM_CSCMR1_SPDIF_CLK_SEL_OFFSET		(2)
+#define MXC_CCM_CSCMR1_SPDIF_CLK_SEL_MASK		(0x3 << 2)
+#define MXC_CCM_CSCMR1_SSI_EXT2_COM_CLK_SEL		(0x1 << 1)
+#define MXC_CCM_CSCMR1_SSI_EXT1_COM_CLK_SEL		(0x1)
+
+/* Define the bits in register CSCMR2 */
+#define MXC_CCM_CSCMR2_DI_CLK_SEL_OFFSET(n)		(26+n*3)
+#define MXC_CCM_CSCMR2_DI_CLK_SEL_MASK(n)		(0x7 << (26+n*3))
+#define MXC_CCM_CSCMR2_CSI_MCLK2_CLK_SEL_OFFSET		(24)
+#define MXC_CCM_CSCMR2_CSI_MCLK2_CLK_SEL_MASK		(0x3 << 24)
+#define MXC_CCM_CSCMR2_CSI_MCLK1_CLK_SEL_OFFSET		(22)
+#define MXC_CCM_CSCMR2_CSI_MCLK1_CLK_SEL_MASK		(0x3 << 22)
+#define MXC_CCM_CSCMR2_ESC_CLK_SEL_OFFSET		(20)
+#define MXC_CCM_CSCMR2_ESC_CLK_SEL_MASK			(0x3 << 20)
+#define MXC_CCM_CSCMR2_HSC2_CLK_SEL_OFFSET		(18)
+#define MXC_CCM_CSCMR2_HSC2_CLK_SEL_MASK		(0x3 << 18)
+#define MXC_CCM_CSCMR2_HSC1_CLK_SEL_OFFSET		(16)
+#define MXC_CCM_CSCMR2_HSC1_CLK_SEL_MASK		(0x3 << 16)
+#define MXC_CCM_CSCMR2_HSI2C_CLK_SEL_OFFSET		(14)
+#define MXC_CCM_CSCMR2_HSI2C_CLK_SEL_MASK		(0x3 << 14)
+#define MXC_CCM_CSCMR2_FIRI_CLK_SEL_OFFSET		(12)
+#define MXC_CCM_CSCMR2_FIRI_CLK_SEL_MASK		(0x3 << 12)
+#define MXC_CCM_CSCMR2_SIM_CLK_SEL_OFFSET		(10)
+#define MXC_CCM_CSCMR2_SIM_CLK_SEL_MASK			(0x3 << 10)
+#define MXC_CCM_CSCMR2_SLIMBUS_COM			(0x1 << 9)
+#define MXC_CCM_CSCMR2_SLIMBUS_CLK_SEL_OFFSET		(6)
+#define MXC_CCM_CSCMR2_SLIMBUS_CLK_SEL_MASK		(0x7 << 6)
+#define MXC_CCM_CSCMR2_SPDIF1_COM			(1 << 5)
+#define MXC_CCM_CSCMR2_SPDIF0_COM			(1 << 4)
+#define MXC_CCM_CSCMR2_SPDIF1_CLK_SEL_OFFSET		(2)
+#define MXC_CCM_CSCMR2_SPDIF1_CLK_SEL_MASK		(0x3 << 2)
+#define MXC_CCM_CSCMR2_SPDIF0_CLK_SEL_OFFSET		(0)
+#define MXC_CCM_CSCMR2_SPDIF0_CLK_SEL_MASK		(0x3)
+
+/* Define the bits in register CSCDR1 */
+#define MXC_CCM_CSCDR1_ESDHC2_MSHC2_CLK_PRED_OFFSET	(22)
+#define MXC_CCM_CSCDR1_ESDHC2_MSHC2_CLK_PRED_MASK	(0x7 << 22)
+#define MXC_CCM_CSCDR1_ESDHC2_MSHC2_CLK_PODF_OFFSET	(19)
+#define MXC_CCM_CSCDR1_ESDHC2_MSHC2_CLK_PODF_MASK	(0x7 << 19)
+#define MXC_CCM_CSCDR1_ESDHC1_MSHC1_CLK_PRED_OFFSET	(16)
+#define MXC_CCM_CSCDR1_ESDHC1_MSHC1_CLK_PRED_MASK	(0x7 << 16)
+#define MXC_CCM_CSCDR1_PGC_CLK_PODF_OFFSET		(14)
+#define MXC_CCM_CSCDR1_PGC_CLK_PODF_MASK		(0x3 << 14)
+#define MXC_CCM_CSCDR1_ESDHC1_MSHC1_CLK_PODF_OFFSET	(11)
+#define MXC_CCM_CSCDR1_ESDHC1_MSHC1_CLK_PODF_MASK	(0x7 << 11)
+#define MXC_CCM_CSCDR1_USBOH3_CLK_PRED_OFFSET		(8)
+#define MXC_CCM_CSCDR1_USBOH3_CLK_PRED_MASK		(0x7 << 8)
+#define MXC_CCM_CSCDR1_USBOH3_CLK_PODF_OFFSET		(6)
+#define MXC_CCM_CSCDR1_USBOH3_CLK_PODF_MASK		(0x3 << 6)
+#define MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET		(3)
+#define MXC_CCM_CSCDR1_UART_CLK_PRED_MASK		(0x7 << 3)
+#define MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET		(0)
+#define MXC_CCM_CSCDR1_UART_CLK_PODF_MASK		(0x7)
+
+/* Define the bits in register CS1CDR and CS2CDR */
+#define MXC_CCM_CS1CDR_SSI_EXT1_CLK_PRED_OFFSET		(22)
+#define MXC_CCM_CS1CDR_SSI_EXT1_CLK_PRED_MASK		(0x7 << 22)
+#define MXC_CCM_CS1CDR_SSI_EXT1_CLK_PODF_OFFSET		(16)
+#define MXC_CCM_CS1CDR_SSI_EXT1_CLK_PODF_MASK		(0x3F << 16)
+#define MXC_CCM_CS1CDR_SSI1_CLK_PRED_OFFSET		(6)
+#define MXC_CCM_CS1CDR_SSI1_CLK_PRED_MASK		(0x7 << 6)
+#define MXC_CCM_CS1CDR_SSI1_CLK_PODF_OFFSET		(0)
+#define MXC_CCM_CS1CDR_SSI1_CLK_PODF_MASK		(0x3F)
+
+#define MXC_CCM_CS2CDR_SSI_EXT2_CLK_PRED_OFFSET		(22)
+#define MXC_CCM_CS2CDR_SSI_EXT2_CLK_PRED_MASK		(0x7 << 22)
+#define MXC_CCM_CS2CDR_SSI_EXT2_CLK_PODF_OFFSET		(16)
+#define MXC_CCM_CS2CDR_SSI_EXT2_CLK_PODF_MASK		(0x3F << 16)
+#define MXC_CCM_CS2CDR_SSI2_CLK_PRED_OFFSET		(6)
+#define MXC_CCM_CS2CDR_SSI2_CLK_PRED_MASK		(0x7 << 6)
+#define MXC_CCM_CS2CDR_SSI2_CLK_PODF_OFFSET		(0)
+#define MXC_CCM_CS2CDR_SSI2_CLK_PODF_MASK		(0x3F)
+
+/* Define the bits in register CDCDR */
+#define MXC_CCM_CDCDR_TVE_CLK_PRED_OFFSET		(28)
+#define MXC_CCM_CDCDR_TVE_CLK_PRED_MASK			(0x7 << 28)
+#define MXC_CCM_CDCDR_SPDIF0_CLK_PRED_OFFSET		(25)
+#define MXC_CCM_CDCDR_SPDIF0_CLK_PRED_MASK		(0x7 << 25)
+#define MXC_CCM_CDCDR_SPDIF0_CLK_PODF_OFFSET		(19)
+#define MXC_CCM_CDCDR_SPDIF0_CLK_PODF_MASK		(0x3F << 19)
+#define MXC_CCM_CDCDR_SPDIF1_CLK_PRED_OFFSET		(16)
+#define MXC_CCM_CDCDR_SPDIF1_CLK_PRED_MASK		(0x7 << 16)
+#define MXC_CCM_CDCDR_SPDIF1_CLK_PODF_OFFSET		(9)
+#define MXC_CCM_CDCDR_SPDIF1_CLK_PODF_MASK		(0x3F << 9)
+#define MXC_CCM_CDCDR_DI_CLK_PRED_OFFSET		(6)
+#define MXC_CCM_CDCDR_DI_CLK_PRED_MASK			(0x7 << 6)
+#define MXC_CCM_CDCDR_USB_PHY_PRED_OFFSET		(3)
+#define MXC_CCM_CDCDR_USB_PHY_PRED_MASK			(0x7 << 3)
+#define MXC_CCM_CDCDR_USB_PHY_PODF_OFFSET		(0)
+#define MXC_CCM_CDCDR_USB_PHY_PODF_MASK			(0x7)
+
+/* Define the bits in register CHSCCDR */
+#define MXC_CCM_CHSCCDR_ESC_CLK_PRED_OFFSET		(12)
+#define MXC_CCM_CHSCCDR_ESC_CLK_PRED_MASK		(0x7 << 12)
+#define MXC_CCM_CHSCCDR_ESC_CLK_PODF_OFFSET		(6)
+#define MXC_CCM_CHSCCDR_ESC_CLK_PODF_MASK		(0x3F << 6)
+#define MXC_CCM_CHSCCDR_HSC2_CLK_PODF_OFFSET		(3)
+#define MXC_CCM_CHSCCDR_HSC2_CLK_PODF_MASK		(0x7 << 3)
+#define MXC_CCM_CHSCCDR_HSC1_CLK_PODF_OFFSET		(0)
+#define MXC_CCM_CHSCCDR_HSC1_CLK_PODF_MASK		(0x7)
+
+/* Define the bits in register CSCDR2 */
+#define MXC_CCM_CSCDR2_CSPI_CLK_PRED_OFFSET		(25)
+#define MXC_CCM_CSCDR2_CSPI_CLK_PRED_MASK		(0x7 << 25)
+#define MXC_CCM_CSCDR2_CSPI_CLK_PODF_OFFSET		(19)
+#define MXC_CCM_CSCDR2_CSPI_CLK_PODF_MASK		(0x3F << 19)
+#define MXC_CCM_CSCDR2_SIM_CLK_PRED_OFFSET		(16)
+#define MXC_CCM_CSCDR2_SIM_CLK_PRED_MASK		(0x7 << 16)
+#define MXC_CCM_CSCDR2_SIM_CLK_PODF_OFFSET		(9)
+#define MXC_CCM_CSCDR2_SIM_CLK_PODF_MASK		(0x3F << 9)
+#define MXC_CCM_CSCDR2_SLIMBUS_CLK_PRED_OFFSET		(6)
+#define MXC_CCM_CSCDR2_SLIMBUS_PRED_MASK		(0x7 << 6)
+#define MXC_CCM_CSCDR2_SLIMBUS_PODF_OFFSET		(0)
+#define MXC_CCM_CSCDR2_SLIMBUS_PODF_MASK		(0x3F)
+
+/* Define the bits in register CSCDR3 */
+#define MXC_CCM_CSCDR3_HSI2C_CLK_PRED_OFFSET		(16)
+#define MXC_CCM_CSCDR3_HSI2C_CLK_PRED_MASK		(0x7 << 16)
+#define MXC_CCM_CSCDR3_HSI2C_CLK_PODF_OFFSET		(9)
+#define MXC_CCM_CSCDR3_HSI2C_CLK_PODF_MASK		(0x3F << 9)
+#define MXC_CCM_CSCDR3_FIRI_CLK_PRED_OFFSET		(6)
+#define MXC_CCM_CSCDR3_FIRI_CLK_PRED_MASK		(0x7 << 6)
+#define MXC_CCM_CSCDR3_FIRI_CLK_PODF_OFFSET		(0)
+#define MXC_CCM_CSCDR3_FIRI_CLK_PODF_MASK		(0x3F)
+
+/* Define the bits in register CSCDR4 */
+#define MXC_CCM_CSCDR4_CSI_MCLK2_CLK_PRED_OFFSET	(16)
+#define MXC_CCM_CSCDR4_CSI_MCLK2_CLK_PRED_MASK		(0x7 << 16)
+#define MXC_CCM_CSCDR4_CSI_MCLK2_CLK_PODF_OFFSET	(9)
+#define MXC_CCM_CSCDR4_CSI_MCLK2_CLK_PODF_MASK		(0x3F << 9)
+#define MXC_CCM_CSCDR4_CSI_MCLK1_CLK_PRED_OFFSET	(6)
+#define MXC_CCM_CSCDR4_CSI_MCLK1_CLK_PRED_MASK		(0x7 << 6)
+#define MXC_CCM_CSCDR4_CSI_MCLK1_CLK_PODF_OFFSET	(0)
+#define MXC_CCM_CSCDR4_CSI_MCLK1_CLK_PODF_MASK		(0x3F)
+
+/* Define the bits in register CDHIPR */
+#define MXC_CCM_CDHIPR_ARM_PODF_BUSY			(1 << 16)
+#define MXC_CCM_CDHIPR_DDR_HF_CLK_SEL_BUSY		(1 << 8)
+#define MXC_CCM_CDHIPR_DDR_PODF_BUSY			(1 << 7)
+#define MXC_CCM_CDHIPR_EMI_CLK_SEL_BUSY			(1 << 6)
+#define MXC_CCM_CDHIPR_PERIPH_CLK_SEL_BUSY		(1 << 5)
+#define MXC_CCM_CDHIPR_NFC_IPG_INT_MEM_PODF_BUSY	(1 << 4)
+#define MXC_CCM_CDHIPR_AHB_PODF_BUSY			(1 << 3)
+#define MXC_CCM_CDHIPR_EMI_PODF_BUSY			(1 << 2)
+#define MXC_CCM_CDHIPR_AXI_B_PODF_BUSY			(1 << 1)
+#define MXC_CCM_CDHIPR_AXI_A_PODF_BUSY			(1 << 0)
+
+/* Define the bits in register CDCR */
+#define MXC_CCM_CDCR_ARM_FREQ_SHIFT_DIVIDER		(0x1 << 2)
+#define MXC_CCM_CDCR_PERIPH_CLK_DVFS_PODF_OFFSET	(0)
+#define MXC_CCM_CDCR_PERIPH_CLK_DVFS_PODF_MASK		(0x3)
+
+/* Define the bits in register CLPCR */
+#define MXC_CCM_CLPCR_BYPASS_HSC_LPM_HS		(0x1 << 23)
+#define MXC_CCM_CLPCR_BYPASS_SCC_LPM_HS		(0x1 << 22)
+#define MXC_CCM_CLPCR_BYPASS_MAX_LPM_HS		(0x1 << 21)
+#define MXC_CCM_CLPCR_BYPASS_SDMA_LPM_HS	(0x1 << 20)
+#define MXC_CCM_CLPCR_BYPASS_EMI_LPM_HS		(0x1 << 19)
+#define MXC_CCM_CLPCR_BYPASS_IPU_LPM_HS		(0x1 << 18)
+#define MXC_CCM_CLPCR_BYPASS_RTIC_LPM_HS	(0x1 << 17)
+#define MXC_CCM_CLPCR_BYPASS_RNGC_LPM_HS	(0x1 << 16)
+#define MXC_CCM_CLPCR_COSC_PWRDOWN		(0x1 << 11)
+#define MXC_CCM_CLPCR_STBY_COUNT_OFFSET		(9)
+#define MXC_CCM_CLPCR_STBY_COUNT_MASK		(0x3 << 9)
+#define MXC_CCM_CLPCR_VSTBY			(0x1 << 8)
+#define MXC_CCM_CLPCR_DIS_REF_OSC		(0x1 << 7)
+#define MXC_CCM_CLPCR_SBYOS			(0x1 << 6)
+#define MXC_CCM_CLPCR_ARM_CLK_DIS_ON_LPM	(0x1 << 5)
+#define MXC_CCM_CLPCR_LPSR_CLK_SEL_OFFSET	(3)
+#define MXC_CCM_CLPCR_LPSR_CLK_SEL_MASK		(0x3 << 3)
+#define MXC_CCM_CLPCR_LPM_OFFSET		(0)
+#define MXC_CCM_CLPCR_LPM_MASK			(0x3)
+
+/* Define the bits in register CISR */
+#define MXC_CCM_CISR_ARM_PODF_LOADED			(0x1 << 25)
+#define MXC_CCM_CISR_NFC_IPG_INT_MEM_PODF_LOADED	(0x1 << 21)
+#define MXC_CCM_CISR_AHB_PODF_LOADED			(0x1 << 20)
+#define MXC_CCM_CISR_EMI_PODF_LOADED			(0x1 << 19)
+#define MXC_CCM_CISR_AXI_B_PODF_LOADED			(0x1 << 18)
+#define MXC_CCM_CISR_AXI_A_PODF_LOADED			(0x1 << 17)
+#define MXC_CCM_CISR_DIVIDER_LOADED			(0x1 << 16)
+#define MXC_CCM_CISR_COSC_READY				(0x1 << 6)
+#define MXC_CCM_CISR_CKIH2_READY			(0x1 << 5)
+#define MXC_CCM_CISR_CKIH_READY				(0x1 << 4)
+#define MXC_CCM_CISR_FPM_READY				(0x1 << 3)
+#define MXC_CCM_CISR_LRF_PLL3				(0x1 << 2)
+#define MXC_CCM_CISR_LRF_PLL2				(0x1 << 1)
+#define MXC_CCM_CISR_LRF_PLL1				(0x1)
+
+/* Define the bits in register CIMR */
+#define MXC_CCM_CIMR_MASK_ARM_PODF_LOADED		(0x1 << 25)
+#define MXC_CCM_CIMR_MASK_NFC_IPG_INT_MEM_PODF_LOADED	(0x1 << 21)
+#define MXC_CCM_CIMR_MASK_EMI_PODF_LOADED		(0x1 << 20)
+#define MXC_CCM_CIMR_MASK_AXI_C_PODF_LOADED		(0x1 << 19)
+#define MXC_CCM_CIMR_MASK_AXI_B_PODF_LOADED		(0x1 << 18)
+#define MXC_CCM_CIMR_MASK_AXI_A_PODF_LOADED		(0x1 << 17)
+#define MXC_CCM_CIMR_MASK_DIVIDER_LOADED		(0x1 << 16)
+#define MXC_CCM_CIMR_MASK_COSC_READY			(0x1 << 5)
+#define MXC_CCM_CIMR_MASK_CKIH_READY			(0x1 << 4)
+#define MXC_CCM_CIMR_MASK_FPM_READY			(0x1 << 3)
+#define MXC_CCM_CIMR_MASK_LRF_PLL3			(0x1 << 2)
+#define MXC_CCM_CIMR_MASK_LRF_PLL2			(0x1 << 1)
+#define MXC_CCM_CIMR_MASK_LRF_PLL1			(0x1)
+
+/* Define the bits in register CCOSR */
+#define MXC_CCM_CCOSR_CKO2_EN_OFFSET			(0x1 << 24)
+#define MXC_CCM_CCOSR_CKO2_DIV_OFFSET			(21)
+#define MXC_CCM_CCOSR_CKO2_DIV_MASK			(0x7 << 21)
+#define MXC_CCM_CCOSR_CKO2_SEL_OFFSET			(16)
+#define MXC_CCM_CCOSR_CKO2_SEL_MASK			(0x1F << 16)
+#define MXC_CCM_CCOSR_CKOL_EN				(0x1 << 7)
+#define MXC_CCM_CCOSR_CKOL_DIV_OFFSET			(4)
+#define MXC_CCM_CCOSR_CKOL_DIV_MASK			(0x7 << 4)
+#define MXC_CCM_CCOSR_CKOL_SEL_OFFSET			(0)
+#define MXC_CCM_CCOSR_CKOL_SEL_MASK			(0xF)
+
+/* Define the bits in registers CGPR */
+#define MXC_CCM_CGPR_EFUSE_PROG_SUPPLY_GATE		(0x1 << 4)
+#define MXC_CCM_CGPR_FPM_SEL				(0x1 << 3)
+#define MXC_CCM_CGPR_VL_L2BIST_CLKDIV_OFFSET		(0)
+#define MXC_CCM_CGPR_VL_L2BIST_CLKDIV_MASK		(0x7)
+
+/* Define the bits in registers CCGRx */
+#define MXC_CCM_CCGRx_CG_MASK				0x3
+#define MXC_CCM_CCGRx_MOD_OFF				0x0
+#define MXC_CCM_CCGRx_MOD_ON				0x3
+#define MXC_CCM_CCGRx_MOD_IDLE				0x1
+
+#define MXC_CCM_CCGRx_CG15_MASK				(0x3 << 30)
+#define MXC_CCM_CCGRx_CG14_MASK				(0x3 << 28)
+#define MXC_CCM_CCGRx_CG13_MASK				(0x3 << 26)
+#define MXC_CCM_CCGRx_CG12_MASK				(0x3 << 24)
+#define MXC_CCM_CCGRx_CG11_MASK				(0x3 << 22)
+#define MXC_CCM_CCGRx_CG10_MASK				(0x3 << 20)
+#define MXC_CCM_CCGRx_CG9_MASK				(0x3 << 18)
+#define MXC_CCM_CCGRx_CG8_MASK				(0x3 << 16)
+#define MXC_CCM_CCGRx_CG5_MASK				(0x3 << 10)
+#define MXC_CCM_CCGRx_CG4_MASK				(0x3 << 8)
+#define MXC_CCM_CCGRx_CG3_MASK				(0x3 << 6)
+#define MXC_CCM_CCGRx_CG2_MASK				(0x3 << 4)
+#define MXC_CCM_CCGRx_CG1_MASK				(0x3 << 2)
+#define MXC_CCM_CCGRx_CG0_MASK				(0x3 << 0)
+
+#define MXC_CCM_CCGRx_CG15_OFFSET			30
+#define MXC_CCM_CCGRx_CG14_OFFSET			28
+#define MXC_CCM_CCGRx_CG13_OFFSET			26
+#define MXC_CCM_CCGRx_CG12_OFFSET			24
+#define MXC_CCM_CCGRx_CG11_OFFSET			22
+#define MXC_CCM_CCGRx_CG10_OFFSET			20
+#define MXC_CCM_CCGRx_CG9_OFFSET			18
+#define MXC_CCM_CCGRx_CG8_OFFSET			16
+#define MXC_CCM_CCGRx_CG7_OFFSET			14
+#define MXC_CCM_CCGRx_CG6_OFFSET			12
+#define MXC_CCM_CCGRx_CG5_OFFSET			10
+#define MXC_CCM_CCGRx_CG4_OFFSET			8
+#define MXC_CCM_CCGRx_CG3_OFFSET			6
+#define MXC_CCM_CCGRx_CG2_OFFSET			4
+#define MXC_CCM_CCGRx_CG1_OFFSET			2
+#define MXC_CCM_CCGRx_CG0_OFFSET			0
+
+#define MXC_DPTC_LP_BASE	(MX51_GPC_BASE + 0x80)
+#define MXC_DPTC_GP_BASE	(MX51_GPC_BASE + 0x100)
+#define MXC_DVFS_CORE_BASE	(MX51_GPC_BASE + 0x180)
+#define MXC_DPTC_PER_BASE	(MX51_GPC_BASE + 0x1C0)
+#define MXC_PGC_IPU_BASE	(MX51_GPC_BASE + 0x220)
+#define MXC_PGC_VPU_BASE	(MX51_GPC_BASE + 0x240)
+#define MXC_PGC_GPU_BASE	(MX51_GPC_BASE + 0x260)
+#define MXC_SRPG_NEON_BASE	(MX51_GPC_BASE + 0x280)
+#define MXC_SRPG_ARM_BASE	(MX51_GPC_BASE + 0x2A0)
+#define MXC_SRPG_EMPGC0_BASE	(MX51_GPC_BASE + 0x2C0)
+#define MXC_SRPG_EMPGC1_BASE	(MX51_GPC_BASE + 0x2D0)
+#define MXC_SRPG_MEGAMIX_BASE	(MX51_GPC_BASE + 0x2E0)
+#define MXC_SRPG_EMI_BASE	(MX51_GPC_BASE + 0x300)
+
+/* CORTEXA8 platform */
+#define MXC_CORTEXA8_PLAT_PVID		(MX51_CORTEXA8_BASE + 0x0)
+#define MXC_CORTEXA8_PLAT_GPC		(MX51_CORTEXA8_BASE + 0x4)
+#define MXC_CORTEXA8_PLAT_PIC		(MX51_CORTEXA8_BASE + 0x8)
+#define MXC_CORTEXA8_PLAT_LPC		(MX51_CORTEXA8_BASE + 0xC)
+#define MXC_CORTEXA8_PLAT_NEON_LPC	(MX51_CORTEXA8_BASE + 0x10)
+#define MXC_CORTEXA8_PLAT_ICGC		(MX51_CORTEXA8_BASE + 0x14)
+#define MXC_CORTEXA8_PLAT_AMC		(MX51_CORTEXA8_BASE + 0x18)
+#define MXC_CORTEXA8_PLAT_NMC		(MX51_CORTEXA8_BASE + 0x20)
+#define MXC_CORTEXA8_PLAT_NMS		(MX51_CORTEXA8_BASE + 0x24)
+
+/* DVFS CORE */
+#define MXC_DVFSTHRS		(MXC_DVFS_CORE_BASE + 0x00)
+#define MXC_DVFSCOUN		(MXC_DVFS_CORE_BASE + 0x04)
+#define MXC_DVFSSIG1		(MXC_DVFS_CORE_BASE + 0x08)
+#define MXC_DVFSSIG0		(MXC_DVFS_CORE_BASE + 0x0C)
+#define MXC_DVFSGPC0		(MXC_DVFS_CORE_BASE + 0x10)
+#define MXC_DVFSGPC1		(MXC_DVFS_CORE_BASE + 0x14)
+#define MXC_DVFSGPBT		(MXC_DVFS_CORE_BASE + 0x18)
+#define MXC_DVFSEMAC		(MXC_DVFS_CORE_BASE + 0x1C)
+#define MXC_DVFSCNTR		(MXC_DVFS_CORE_BASE + 0x20)
+#define MXC_DVFSLTR0_0		(MXC_DVFS_CORE_BASE + 0x24)
+#define MXC_DVFSLTR0_1		(MXC_DVFS_CORE_BASE + 0x28)
+#define MXC_DVFSLTR1_0		(MXC_DVFS_CORE_BASE + 0x2C)
+#define MXC_DVFSLTR1_1		(MXC_DVFS_CORE_BASE + 0x30)
+#define MXC_DVFSPT0 		(MXC_DVFS_CORE_BASE + 0x34)
+#define MXC_DVFSPT1 		(MXC_DVFS_CORE_BASE + 0x38)
+#define MXC_DVFSPT2 		(MXC_DVFS_CORE_BASE + 0x3C)
+#define MXC_DVFSPT3 		(MXC_DVFS_CORE_BASE + 0x40)
+
+/* GPC */
+#define MXC_GPC_CNTR		(MX51_GPC_BASE + 0x0)
+#define MXC_GPC_PGR		(MX51_GPC_BASE + 0x4)
+#define MXC_GPC_VCR		(MX51_GPC_BASE + 0x8)
+#define MXC_GPC_ALL_PU		(MX51_GPC_BASE + 0xC)
+#define MXC_GPC_NEON		(MX51_GPC_BASE + 0x10)
+#define MXC_GPC_PGR_ARMPG_OFFSET	8
+#define MXC_GPC_PGR_ARMPG_MASK		(3 << 8)
+
+/* PGC */
+#define MXC_PGC_IPU_PGCR	(MXC_PGC_IPU_BASE + 0x0)
+#define MXC_PGC_IPU_PGSR	(MXC_PGC_IPU_BASE + 0xC)
+#define MXC_PGC_VPU_PGCR	(MXC_PGC_VPU_BASE + 0x0)
+#define MXC_PGC_VPU_PGSR	(MXC_PGC_VPU_BASE + 0xC)
+#define MXC_PGC_GPU_PGCR	(MXC_PGC_GPU_BASE + 0x0)
+#define MXC_PGC_GPU_PGSR	(MXC_PGC_GPU_BASE + 0xC)
+
+#define MXC_PGCR_PCR		1
+#define MXC_SRPGCR_PCR		1
+#define MXC_EMPGCR_PCR		1
+#define MXC_PGSR_PSR		1
+
+
+#define MXC_CORTEXA8_PLAT_LPC_DSM	(1 << 0)
+#define MXC_CORTEXA8_PLAT_LPC_DBG_DSM	(1 << 1)
+
+/* SRPG */
+#define MXC_SRPG_NEON_SRPGCR	(MXC_SRPG_NEON_BASE + 0x0)
+#define MXC_SRPG_NEON_PUPSCR	(MXC_SRPG_NEON_BASE + 0x4)
+#define MXC_SRPG_NEON_PDNSCR	(MXC_SRPG_NEON_BASE + 0x8)
+
+#define MXC_SRPG_ARM_SRPGCR	(MXC_SRPG_ARM_BASE + 0x0)
+#define MXC_SRPG_ARM_PUPSCR	(MXC_SRPG_ARM_BASE + 0x4)
+#define MXC_SRPG_ARM_PDNSCR	(MXC_SRPG_ARM_BASE + 0x8)
+
+#define MXC_SRPG_EMPGC0_SRPGCR	(MXC_SRPG_EMPGC0_BASE + 0x0)
+#define MXC_SRPG_EMPGC0_PUPSCR	(MXC_SRPG_EMPGC0_BASE + 0x4)
+#define MXC_SRPG_EMPGC0_PDNSCR	(MXC_SRPG_EMPGC0_BASE + 0x8)
+
+#define MXC_SRPG_EMPGC1_SRPGCR	(MXC_SRPG_EMPGC1_BASE + 0x0)
+#define MXC_SRPG_EMPGC1_PUPSCR	(MXC_SRPG_EMPGC1_BASE + 0x4)
+#define MXC_SRPG_EMPGC1_PDNSCR	(MXC_SRPG_EMPGC1_BASE + 0x8)
+
+#define MXC_SRPG_MEGAMIX_SRPGCR		(MXC_SRPG_MEGAMIX_BASE + 0x0)
+#define MXC_SRPG_MEGAMIX_PUPSCR		(MXC_SRPG_MEGAMIX_BASE + 0x4)
+#define MXC_SRPG_MEGAMIX_PDNSCR		(MXC_SRPG_MEGAMIX_BASE + 0x8)
+
+#define MXC_SRPGC_EMI_SRPGCR	(MXC_SRPGC_EMI_BASE + 0x0)
+#define MXC_SRPGC_EMI_PUPSCR	(MXC_SRPGC_EMI_BASE + 0x4)
+#define MXC_SRPGC_EMI_PDNSCR	(MXC_SRPGC_EMI_BASE + 0x8)
+
+#endif				/* __ARCH_ARM_MACH_MX51_CRM_REGS_H__ */
diff --git a/arch/arm/mach-mx5/devices.c b/arch/arm/mach-mx5/devices.c
new file mode 100644
index 000000000000..d6fd3961ade9
--- /dev/null
+++ b/arch/arm/mach-mx5/devices.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2009 Amit Kucheria <amit.kucheria@canonical.com>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/platform_device.h>
+#include <mach/hardware.h>
+#include <mach/imx-uart.h>
+
+static struct resource uart0[] = {
+	{
+		.start = MX51_UART1_BASE_ADDR,
+		.end = MX51_UART1_BASE_ADDR + 0xfff,
+		.flags = IORESOURCE_MEM,
+	}, {
+		.start = MX51_MXC_INT_UART1,
+		.end = MX51_MXC_INT_UART1,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device mxc_uart_device0 = {
+	.name = "imx-uart",
+	.id = 0,
+	.resource = uart0,
+	.num_resources = ARRAY_SIZE(uart0),
+};
+
+static struct resource uart1[] = {
+	{
+		.start = MX51_UART2_BASE_ADDR,
+		.end = MX51_UART2_BASE_ADDR + 0xfff,
+		.flags = IORESOURCE_MEM,
+	}, {
+		.start = MX51_MXC_INT_UART2,
+		.end = MX51_MXC_INT_UART2,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device mxc_uart_device1 = {
+	.name = "imx-uart",
+	.id = 1,
+	.resource = uart1,
+	.num_resources = ARRAY_SIZE(uart1),
+};
+
+static struct resource uart2[] = {
+	{
+		.start = MX51_UART3_BASE_ADDR,
+		.end = MX51_UART3_BASE_ADDR + 0xfff,
+		.flags = IORESOURCE_MEM,
+	}, {
+		.start = MX51_MXC_INT_UART3,
+		.end = MX51_MXC_INT_UART3,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device mxc_uart_device2 = {
+	.name = "imx-uart",
+	.id = 2,
+	.resource = uart2,
+	.num_resources = ARRAY_SIZE(uart2),
+};
+
+static struct resource mxc_fec_resources[] = {
+	{
+		.start	= MX51_MXC_FEC_BASE_ADDR,
+		.end	= MX51_MXC_FEC_BASE_ADDR + 0xfff,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= MX51_MXC_INT_FEC,
+		.end	= MX51_MXC_INT_FEC,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device mxc_fec_device = {
+	.name = "fec",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(mxc_fec_resources),
+	.resource = mxc_fec_resources,
+};
+
+/* Dummy definition to allow compiling in AVIC and TZIC simultaneously */
+int __init mxc_register_gpios(void)
+{
+	return 0;
+}
diff --git a/arch/arm/mach-mx5/devices.h b/arch/arm/mach-mx5/devices.h
new file mode 100644
index 000000000000..f339ab8c19be
--- /dev/null
+++ b/arch/arm/mach-mx5/devices.h
@@ -0,0 +1,4 @@
+extern struct platform_device mxc_uart_device0;
+extern struct platform_device mxc_uart_device1;
+extern struct platform_device mxc_uart_device2;
+extern struct platform_device mxc_fec_device;
diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c
new file mode 100644
index 000000000000..c21e18be7af8
--- /dev/null
+++ b/arch/arm/mach-mx5/mm.c
@@ -0,0 +1,89 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License.  You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * Create static mapping between physical to virtual memory.
+ */
+
+#include <linux/mm.h>
+#include <linux/init.h>
+
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/common.h>
+#include <mach/iomux-v3.h>
+
+/*
+ * Define the MX51 memory map.
+ */
+static struct map_desc mxc_io_desc[] __initdata = {
+	{
+		.virtual = MX51_IRAM_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_IRAM_BASE_ADDR),
+		.length = MX51_IRAM_SIZE,
+		.type = MT_DEVICE
+	}, {
+		.virtual = MX51_DEBUG_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_DEBUG_BASE_ADDR),
+		.length = MX51_DEBUG_SIZE,
+		.type = MT_DEVICE
+	}, {
+		.virtual = MX51_TZIC_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_TZIC_BASE_ADDR),
+		.length = MX51_TZIC_SIZE,
+		.type = MT_DEVICE
+	}, {
+		.virtual = MX51_AIPS1_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_AIPS1_BASE_ADDR),
+		.length = MX51_AIPS1_SIZE,
+		.type = MT_DEVICE
+	}, {
+		.virtual = MX51_SPBA0_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_SPBA0_BASE_ADDR),
+		.length = MX51_SPBA0_SIZE,
+		.type = MT_DEVICE
+	}, {
+		.virtual = MX51_AIPS2_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_AIPS2_BASE_ADDR),
+		.length = MX51_AIPS2_SIZE,
+		.type = MT_DEVICE
+	}, {
+		.virtual = MX51_NFC_AXI_BASE_ADDR_VIRT,
+		.pfn = __phys_to_pfn(MX51_NFC_AXI_BASE_ADDR),
+		.length = MX51_NFC_AXI_SIZE,
+		.type = MT_DEVICE
+	},
+};
+
+/*
+ * This function initializes the memory map. It is called during the
+ * system startup to create static physical to virtual memory mappings
+ * for the IO modules.
+ */
+void __init mx51_map_io(void)
+{
+	u32 tzic_addr;
+
+	if (mx51_revision() < MX51_CHIP_REV_2_0)
+		tzic_addr = 0x8FFFC000;
+	else
+		tzic_addr = 0xE0003000;
+	mxc_io_desc[2].pfn =  __phys_to_pfn(tzic_addr);
+
+	mxc_set_cpu_type(MXC_CPU_MX51);
+	mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR));
+	mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG_BASE_ADDR));
+	iotable_init(mxc_io_desc, ARRAY_SIZE(mxc_io_desc));
+}
+
+void __init mx51_init_irq(void)
+{
+	tzic_init_irq(MX51_IO_ADDRESS(MX51_TZIC_BASE_ADDR));
+}
diff --git a/arch/arm/mach-mxc91231/magx-zn5.c b/arch/arm/mach-mxc91231/magx-zn5.c
index 7dbe4ca12efd..69816ba82930 100644
--- a/arch/arm/mach-mxc91231/magx-zn5.c
+++ b/arch/arm/mach-mxc91231/magx-zn5.c
@@ -55,7 +55,7 @@ struct sys_timer zn5_timer = {
 MACHINE_START(MAGX_ZN5, "Motorola Zn5")
 	.phys_io	= MXC91231_AIPS1_BASE_ADDR,
 	.io_pg_offst	= ((MXC91231_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
-	.boot_params	= PHYS_OFFSET + 0x100,
+	.boot_params	= MXC91231_PHYS_OFFSET + 0x100,
 	.map_io		= mxc91231_map_io,
 	.init_irq	= mxc91231_init_irq,
 	.timer		= &zn5_timer,
diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c
index 9438bf6613a3..ab3712c86d2b 100644
--- a/arch/arm/mach-nomadik/board-nhk8815.c
+++ b/arch/arm/mach-nomadik/board-nhk8815.c
@@ -38,7 +38,7 @@
 #define SRC_CR_INIT_MASK	0x00007fff
 #define SRC_CR_INIT_VAL		0x2aaa8000
 
-/* These adresses span 16MB, so use three individual pages */
+/* These addresses span 16MB, so use three individual pages */
 static struct resource nhk8815_nand_resources[] = {
 	{
 		.name = "nand_addr",
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 2069fb33baaa..4b9fc57770db 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -22,6 +22,9 @@ obj-$(CONFIG_OMAP_MCBSP) += mcbsp.o
 # SMP support ONLY available for OMAP4
 obj-$(CONFIG_SMP)			+= omap-smp.o omap-headsmp.o
 obj-$(CONFIG_LOCAL_TIMERS)		+= timer-mpu.o
+obj-$(CONFIG_ARCH_OMAP4)		+= omap44xx-smc.o
+
+AFLAGS_omap44xx-smc.o			:=-Wa,-march=armv7-a
 
 # Functions loaded to SRAM
 obj-$(CONFIG_ARCH_OMAP2420)		+= sram242x.o
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
index a101029ceb6f..5822bcf7b15f 100644
--- a/arch/arm/mach-omap2/board-3430sdp.c
+++ b/arch/arm/mach-omap2/board-3430sdp.c
@@ -648,7 +648,7 @@ static void enable_board_wakeup_source(void)
 		OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
 }
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
diff --git a/arch/arm/mach-omap2/board-3630sdp.c b/arch/arm/mach-omap2/board-3630sdp.c
index 4386d2b4a785..a0a2a113465c 100755..100644
--- a/arch/arm/mach-omap2/board-3630sdp.c
+++ b/arch/arm/mach-omap2/board-3630sdp.c
@@ -54,7 +54,7 @@ static void enable_board_wakeup_source(void)
 		OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
 }
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index 180ac112e527..b88f28c5814b 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -50,33 +50,9 @@ static struct omap_board_config_kernel sdp4430_config[] __initdata = {
 };
 
 #ifdef CONFIG_CACHE_L2X0
-noinline void omap_smc1(u32 fn, u32 arg)
-{
-	register u32 r12 asm("r12") = fn;
-	register u32 r0 asm("r0") = arg;
-
-	/* This is common routine cache secure monitor API used to
-	 * modify the PL310 secure registers.
-	 * r0 contains the value to be modified and "r12" contains
-	 * the monitor API number. It uses few CPU registers
-	 * internally and hence they need be backed up including
-	 * link register "lr".
-	 * Explicitly save r11 and r12 the compiler generated code
-	 * won't save it.
-	 */
-	asm volatile(
-		"stmfd r13!, {r11,r12}\n"
-		"dsb\n"
-		"smc\n"
-		"ldmfd r13!, {r11,r12}\n"
-		: "+r" (r0), "+r" (r12)
-		:
-		: "r4", "r5", "r10", "lr", "cc");
-}
-EXPORT_SYMBOL(omap_smc1);
-
 static int __init omap_l2_cache_init(void)
 {
+	extern void omap_smc1(u32 fn, u32 arg);
 	void __iomem *l2cache_base;
 
 	/* To avoid code running on other OMAPs in
diff --git a/arch/arm/mach-omap2/board-am3517evm.c b/arch/arm/mach-omap2/board-am3517evm.c
index 70c18614773c..6ae880585d54 100644
--- a/arch/arm/mach-omap2/board-am3517evm.c
+++ b/arch/arm/mach-omap2/board-am3517evm.c
@@ -273,7 +273,7 @@ static void __init am3517_evm_init_irq(void)
 	omap_gpio_init();
 }
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
diff --git a/arch/arm/mach-omap2/board-cm-t35.c b/arch/arm/mach-omap2/board-cm-t35.c
index afa77caaff4d..2de4f79f03a0 100644
--- a/arch/arm/mach-omap2/board-cm-t35.c
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -612,7 +612,7 @@ static struct omap2_hsmmc_info mmc[] = {
 	{}	/* Terminator */
 };
 
-static struct ehci_hcd_omap_platform_data ehci_pdata = {
+static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
diff --git a/arch/arm/mach-omap2/board-devkit8000.c b/arch/arm/mach-omap2/board-devkit8000.c
index 371019054b49..5bfc13b3176c 100644
--- a/arch/arm/mach-omap2/board-devkit8000.c
+++ b/arch/arm/mach-omap2/board-devkit8000.c
@@ -636,7 +636,7 @@ static struct omap_musb_board_data musb_board_data = {
 	.power			= 100,
 };
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
diff --git a/arch/arm/mach-omap2/board-igep0020.c b/arch/arm/mach-omap2/board-igep0020.c
index 9958987a3d0a..3c7789d45051 100644
--- a/arch/arm/mach-omap2/board-igep0020.c
+++ b/arch/arm/mach-omap2/board-igep0020.c
@@ -16,7 +16,6 @@
 #include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/gpio.h>
-#include <linux/leds.h>
 #include <linux/interrupt.h>
 
 #include <linux/regulator/machine.h>
@@ -39,8 +38,8 @@
 #define IGEP2_SMSC911X_CS       5
 #define IGEP2_SMSC911X_GPIO     176
 #define IGEP2_GPIO_USBH_NRESET  24
-#define IGEP2_GPIO_LED0_RED 	26
-#define IGEP2_GPIO_LED0_GREEN 	27
+#define IGEP2_GPIO_LED0_GREEN 	26
+#define IGEP2_GPIO_LED0_RED 	27
 #define IGEP2_GPIO_LED1_RED   	28
 #define IGEP2_GPIO_DVI_PUP	170
 #define IGEP2_GPIO_WIFI_NPD 	94
@@ -355,34 +354,50 @@ static void __init igep2_display_init(void)
 	    gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1))
 		pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
 }
-#ifdef CONFIG_LEDS_TRIGGERS
-static struct gpio_led gpio_leds[] = {
+
+#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
+#include <linux/leds.h>
+
+static struct gpio_led igep2_gpio_leds[] = {
 	{
-		.name = "GPIO_LED1_RED",
+		.name = "led0:red",
+		.gpio = IGEP2_GPIO_LED0_RED,
+	},
+	{
+		.name = "led0:green",
 		.default_trigger = "heartbeat",
+		.gpio = IGEP2_GPIO_LED0_GREEN,
+	},
+	{
+		.name = "led1:red",
 		.gpio = IGEP2_GPIO_LED1_RED,
 	},
 };
 
-static struct gpio_led_platform_data gpio_leds_info = {
-	.leds           = gpio_leds,
-	.num_leds       = ARRAY_SIZE(gpio_leds),
+static struct gpio_led_platform_data igep2_led_pdata = {
+	.leds           = igep2_gpio_leds,
+	.num_leds       = ARRAY_SIZE(igep2_gpio_leds),
 };
 
-static struct platform_device leds_gpio = {
+static struct platform_device igep2_led_device = {
 	 .name   = "leds-gpio",
 	 .id     = -1,
 	 .dev    = {
-		 .platform_data  =  &gpio_leds_info,
+		 .platform_data  =  &igep2_led_pdata,
 	},
 };
+
+static void __init igep2_init_led(void)
+{
+	platform_device_register(&igep2_led_device);
+}
+
+#else
+static inline void igep2_init_led(void) {}
 #endif
 
 static struct platform_device *igep2_devices[] __initdata = {
 	&igep2_dss_device,
-#ifdef CONFIG_LEDS_TRIGGERS
-	&leds_gpio,
-#endif
 };
 
 static void __init igep2_init_irq(void)
@@ -442,7 +457,7 @@ static struct omap_musb_board_data musb_board_data = {
 	.power			= 100,
 };
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
@@ -471,31 +486,34 @@ static void __init igep2_init(void)
 	usb_ehci_init(&ehci_pdata);
 
 	igep2_flash_init();
+	igep2_init_led();
 	igep2_display_init();
 	igep2_init_smsc911x();
 
 	/* GPIO userspace leds */
-	if ((gpio_request(IGEP2_GPIO_LED0_RED, "GPIO_LED0_RED") == 0) &&
+#if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
+	if ((gpio_request(IGEP2_GPIO_LED0_RED, "led0:red") == 0) &&
 	    (gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) {
 		gpio_export(IGEP2_GPIO_LED0_RED, 0);
 		gpio_set_value(IGEP2_GPIO_LED0_RED, 0);
 	} else
 		pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
 
-	if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "GPIO_LED0_GREEN") == 0) &&
+	if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "led0:green") == 0) &&
 	    (gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) {
 		gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
 		gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0);
 	} else
 		pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
-#ifndef CONFIG_LEDS_TRIGGERS
-	if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_LED1_RED") == 0) &&
+
+	if ((gpio_request(IGEP2_GPIO_LED1_RED, "led1:red") == 0) &&
 	    (gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) {
 		gpio_export(IGEP2_GPIO_LED1_RED, 0);
 		gpio_set_value(IGEP2_GPIO_LED1_RED, 0);
 	} else
 		pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
 #endif
+
 	/* GPIO W-LAN + Bluetooth combo module */
 	if ((gpio_request(IGEP2_GPIO_WIFI_NPD, "GPIO_WIFI_NPD") == 0) &&
 	    (gpio_direction_output(IGEP2_GPIO_WIFI_NPD, 1) == 0)) {
diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c
index 4cab0522d7ce..da9bcb898991 100644
--- a/arch/arm/mach-omap2/board-n8x0.c
+++ b/arch/arm/mach-omap2/board-n8x0.c
@@ -37,6 +37,103 @@ static int slot1_cover_open;
 static int slot2_cover_open;
 static struct device *mmc_device;
 
+#define TUSB6010_ASYNC_CS	1
+#define TUSB6010_SYNC_CS	4
+#define TUSB6010_GPIO_INT	58
+#define TUSB6010_GPIO_ENABLE	0
+#define TUSB6010_DMACHAN	0x3f
+
+#if defined(CONFIG_USB_TUSB6010) || \
+	defined(CONFIG_USB_TUSB6010_MODULE)
+/*
+ * Enable or disable power to TUSB6010. When enabling, turn on 3.3 V and
+ * 1.5 V voltage regulators of PM companion chip. Companion chip will then
+ * provide then PGOOD signal to TUSB6010 which will release it from reset.
+ */
+static int tusb_set_power(int state)
+{
+	int i, retval = 0;
+
+	if (state) {
+		gpio_set_value(TUSB6010_GPIO_ENABLE, 1);
+		msleep(1);
+
+		/* Wait until TUSB6010 pulls INT pin down */
+		i = 100;
+		while (i && gpio_get_value(TUSB6010_GPIO_INT)) {
+			msleep(1);
+			i--;
+		}
+
+		if (!i) {
+			printk(KERN_ERR "tusb: powerup failed\n");
+			retval = -ENODEV;
+		}
+	} else {
+		gpio_set_value(TUSB6010_GPIO_ENABLE, 0);
+		msleep(10);
+	}
+
+	return retval;
+}
+
+static struct musb_hdrc_config musb_config = {
+	.multipoint	= 1,
+	.dyn_fifo	= 1,
+	.num_eps	= 16,
+	.ram_bits	= 12,
+};
+
+static struct musb_hdrc_platform_data tusb_data = {
+#if defined(CONFIG_USB_MUSB_OTG)
+	.mode		= MUSB_OTG,
+#elif defined(CONFIG_USB_MUSB_PERIPHERAL)
+	.mode		= MUSB_PERIPHERAL,
+#else /* defined(CONFIG_USB_MUSB_HOST) */
+	.mode		= MUSB_HOST,
+#endif
+	.set_power	= tusb_set_power,
+	.min_power	= 25,	/* x2 = 50 mA drawn from VBUS as peripheral */
+	.power		= 100,	/* Max 100 mA VBUS for host mode */
+	.config		= &musb_config,
+};
+
+static void __init n8x0_usb_init(void)
+{
+	int ret = 0;
+	static char	announce[] __initdata = KERN_INFO "TUSB 6010\n";
+
+	/* PM companion chip power control pin */
+	ret = gpio_request(TUSB6010_GPIO_ENABLE, "TUSB6010 enable");
+	if (ret != 0) {
+		printk(KERN_ERR "Could not get TUSB power GPIO%i\n",
+		       TUSB6010_GPIO_ENABLE);
+		return;
+	}
+	gpio_direction_output(TUSB6010_GPIO_ENABLE, 0);
+
+	tusb_set_power(0);
+
+	ret = tusb6010_setup_interface(&tusb_data, TUSB6010_REFCLK_19, 2,
+					TUSB6010_ASYNC_CS, TUSB6010_SYNC_CS,
+					TUSB6010_GPIO_INT, TUSB6010_DMACHAN);
+	if (ret != 0)
+		goto err;
+
+	printk(announce);
+
+	return;
+
+err:
+	gpio_free(TUSB6010_GPIO_ENABLE);
+}
+#else
+
+static void __init n8x0_usb_init(void) {}
+
+#endif /*CONFIG_USB_TUSB6010 */
+
+
 static struct omap2_mcspi_device_config p54spi_mcspi_config = {
 	.turbo_mode	= 0,
 	.single_channel = 1,
@@ -562,6 +659,7 @@ static void __init n8x0_init_machine(void)
 	n8x0_menelaus_init();
 	n8x0_onenand_init();
 	n8x0_mmc_init();
+	n8x0_usb_init();
 }
 
 MACHINE_START(NOKIA_N800, "Nokia N800")
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 6eb77e1f7c82..962d377970e9 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -410,7 +410,7 @@ static void __init omap3beagle_flash_init(void)
 	}
 }
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index d6bc88c426b5..017bb2f4f7d2 100644
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -635,7 +635,7 @@ static struct platform_device *omap3_evm_devices[] __initdata = {
 	&omap3_evm_dss_device,
 };
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
index 4827f4658df3..395d049bf010 100644
--- a/arch/arm/mach-omap2/board-omap3pandora.c
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -459,12 +459,20 @@ static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
 	},
 };
 
+static struct i2c_board_info __initdata omap3pandora_i2c3_boardinfo[] = {
+	{
+		I2C_BOARD_INFO("bq27500", 0x55),
+		.flags = I2C_CLIENT_WAKE,
+	},
+};
+
 static int __init omap3pandora_i2c_init(void)
 {
 	omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
 			ARRAY_SIZE(omap3pandora_i2c_boardinfo));
 	/* i2c2 pins are not connected */
-	omap_register_i2c_bus(3, 100, NULL, 0);
+	omap_register_i2c_bus(3, 100, omap3pandora_i2c3_boardinfo,
+			ARRAY_SIZE(omap3pandora_i2c3_boardinfo));
 	return 0;
 }
 
@@ -537,7 +545,7 @@ static struct platform_device *omap3pandora_devices[] __initdata = {
 	&pandora_dss_device,
 };
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
diff --git a/arch/arm/mach-omap2/board-omap3touchbook.c b/arch/arm/mach-omap2/board-omap3touchbook.c
index 3943d0f8322c..2504d41f923e 100644
--- a/arch/arm/mach-omap2/board-omap3touchbook.c
+++ b/arch/arm/mach-omap2/board-omap3touchbook.c
@@ -493,7 +493,7 @@ static void __init omap3touchbook_flash_init(void)
 	}
 }
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
@@ -518,14 +518,14 @@ static void omap3_touchbook_poweroff(void)
 	gpio_direction_output(TB_KILL_POWER_GPIO, 0);
 }
 
-static void __init early_touchbook_revision(char **p)
+static int __init early_touchbook_revision(char *p)
 {
-	if (!*p)
-		return;
+	if (!p)
+		return 0;
 
-	strict_strtoul(*p, 10, &touchbook_revision);
+	return strict_strtoul(p, 10, &touchbook_revision);
 }
-__early_param("tbr=", early_touchbook_revision);
+early_param("tbr", early_touchbook_revision);
 
 static struct omap_musb_board_data musb_board_data = {
 	.interface_type		= MUSB_INTERFACE_ULPI,
diff --git a/arch/arm/mach-omap2/board-overo.c b/arch/arm/mach-omap2/board-overo.c
index 50872a42bec7..8848c7c5ce48 100644
--- a/arch/arm/mach-omap2/board-overo.c
+++ b/arch/arm/mach-omap2/board-overo.c
@@ -394,7 +394,7 @@ static struct platform_device *overo_devices[] __initdata = {
 	&overo_lcd_device,
 };
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 	.port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c
index ca95d8d64136..ca95d8d64136 100755..100644
--- a/arch/arm/mach-omap2/board-zoom-peripherals.c
+++ b/arch/arm/mach-omap2/board-zoom-peripherals.c
diff --git a/arch/arm/mach-omap2/board-zoom3.c b/arch/arm/mach-omap2/board-zoom3.c
index d3e3cd5170d1..cd3e40cf3ac1 100644
--- a/arch/arm/mach-omap2/board-zoom3.c
+++ b/arch/arm/mach-omap2/board-zoom3.c
@@ -52,7 +52,7 @@ static struct omap_board_mux board_mux[] __initdata = {
 #define board_mux	NULL
 #endif
 
-static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
+static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
 	.port_mode[0]		= EHCI_HCD_OMAP_MODE_UNKNOWN,
 	.port_mode[1]		= EHCI_HCD_OMAP_MODE_PHY,
 	.port_mode[2]		= EHCI_HCD_OMAP_MODE_UNKNOWN,
diff --git a/arch/arm/mach-omap2/clock2420_data.c b/arch/arm/mach-omap2/clock2420_data.c
index f12af95ead45..d932b142d0b6 100644
--- a/arch/arm/mach-omap2/clock2420_data.c
+++ b/arch/arm/mach-omap2/clock2420_data.c
@@ -1841,6 +1841,7 @@ static struct omap_clk omap2420_clks[] = {
 	CLK(NULL,	"aes_ick",	&aes_ick,	CK_242X),
 	CLK(NULL,	"pka_ick",	&pka_ick,	CK_242X),
 	CLK(NULL,	"usb_fck",	&usb_fck,	CK_242X),
+	CLK("musb_hdrc",	"fck",	&osc_ck,	CK_242X),
 };
 
 /*
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 402e8f0d0f21..87f676acf61d 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -237,7 +237,7 @@ static void __init _omap2_map_common_io(void)
 }
 
 #ifdef CONFIG_ARCH_OMAP2420
-void __init omap242x_map_common_io()
+void __init omap242x_map_common_io(void)
 {
 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
 	iotable_init(omap242x_io_desc, ARRAY_SIZE(omap242x_io_desc));
@@ -246,7 +246,7 @@ void __init omap242x_map_common_io()
 #endif
 
 #ifdef CONFIG_ARCH_OMAP2430
-void __init omap243x_map_common_io()
+void __init omap243x_map_common_io(void)
 {
 	iotable_init(omap24xx_io_desc, ARRAY_SIZE(omap24xx_io_desc));
 	iotable_init(omap243x_io_desc, ARRAY_SIZE(omap243x_io_desc));
@@ -255,7 +255,7 @@ void __init omap243x_map_common_io()
 #endif
 
 #ifdef CONFIG_ARCH_OMAP3
-void __init omap34xx_map_common_io()
+void __init omap34xx_map_common_io(void)
 {
 	iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
 	_omap2_map_common_io();
@@ -263,7 +263,7 @@ void __init omap34xx_map_common_io()
 #endif
 
 #ifdef CONFIG_ARCH_OMAP4
-void __init omap44xx_map_common_io()
+void __init omap44xx_map_common_io(void)
 {
 	iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
 	_omap2_map_common_io();
@@ -309,7 +309,6 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
 {
 	pwrdm_init(powerdomains_omap);
 	clkdm_init(clockdomains_omap, clkdm_autodeps);
-#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once the clkdev is ready */
 	if (cpu_is_omap242x())
 		omap2420_hwmod_init();
 	else if (cpu_is_omap243x())
@@ -319,7 +318,6 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
 	omap2_mux_init();
 	/* The OPP tables have to be registered before a clk init */
 	omap_pm_if_early_init(mpu_opps, dsp_opps, l3_opps);
-#endif
 
 	if (cpu_is_omap2420())
 		omap2420_clk_init();
@@ -333,11 +331,12 @@ void __init omap2_init_common_hw(struct omap_sdrc_params *sdrc_cs0,
 		pr_err("Could not init clock framework - unknown CPU\n");
 
 	omap_serial_early_init();
-#ifndef CONFIG_ARCH_OMAP4
-	omap_hwmod_late_init();
+	if (cpu_is_omap24xx() || cpu_is_omap34xx())   /* FIXME: OMAP4 */
+		omap_hwmod_late_init();
 	omap_pm_if_init();
-	omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
-	_omap2_init_reprogram_sdrc();
-#endif
+	if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
+		omap2_sdrc_init(sdrc_cs0, sdrc_cs1);
+		_omap2_init_reprogram_sdrc();
+	}
 	gpmc_init();
 }
diff --git a/arch/arm/mach-omap2/mailbox.c b/arch/arm/mach-omap2/mailbox.c
index 52a981cb8fdd..318f3638653c 100644
--- a/arch/arm/mach-omap2/mailbox.c
+++ b/arch/arm/mach-omap2/mailbox.c
@@ -430,19 +430,19 @@ static int __devinit omap2_mbox_probe(struct platform_device *pdev)
 		if (unlikely(!res)) {
 			dev_err(&pdev->dev, "invalid irq resource\n");
 			ret = -ENODEV;
-			goto err_iva1;
+			omap_mbox_unregister(&mbox_dsp_info);
+			goto err_dsp;
 		}
 		mbox_iva_info.irq = res->start;
 		ret = omap_mbox_register(&pdev->dev, &mbox_iva_info);
-		if (ret)
-			goto err_iva1;
+		if (ret) {
+			omap_mbox_unregister(&mbox_dsp_info);
+			goto err_dsp;
+		}
 	}
 #endif
 	return 0;
 
-err_iva1:
-	omap_mbox_unregister(&mbox_dsp_info);
-
 err_dsp:
 	iounmap(mbox_base);
 	return ret;
diff --git a/arch/arm/mach-omap2/omap44xx-smc.S b/arch/arm/mach-omap2/omap44xx-smc.S
new file mode 100644
index 000000000000..89bb2b141473
--- /dev/null
+++ b/arch/arm/mach-omap2/omap44xx-smc.S
@@ -0,0 +1,32 @@
+/*
+ * OMAP44xx secure APIs file.
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ * Written by Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ *
+ * This program is free software,you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/linkage.h>
+
+/*
+ * This is common routine to manage secure monitor API
+ * used to modify the PL310 secure registers.
+ * 'r0' contains the value to be modified and 'r12' contains
+ * the monitor API number. It uses few CPU registers
+ * internally and hence they need be backed up including
+ * link register "lr".
+ * Function signature : void omap_smc1(u32 fn, u32 arg)
+ */
+
+ENTRY(omap_smc1)
+	stmfd   sp!, {r2-r12, lr}
+	mov	r12, r0
+	mov 	r0, r1
+	dsb
+	smc
+	ldmfd   sp!, {r2-r12, pc}
+END(omap_smc1)
diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
index 81872aacb801..9537f6f2352d 100644
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -133,7 +133,7 @@ u32 omap_prcm_get_reset_sources(void)
 EXPORT_SYMBOL(omap_prcm_get_reset_sources);
 
 /* Resets clock rates and reboots the system. Only called from system.h */
-void omap_prcm_arch_reset(char mode)
+void omap_prcm_arch_reset(char mode, const char *cmd)
 {
 	s16 prcm_offs = 0;
 
@@ -145,7 +145,7 @@ void omap_prcm_arch_reset(char mode)
 		u32 l;
 
 		prcm_offs = OMAP3430_GR_MOD;
-		l = ('B' << 24) | ('M' << 16) | mode;
+		l = ('B' << 24) | ('M' << 16) | (cmd ? (u8)*cmd : 0);
 		/* Reserve the first word in scratchpad for communicating
 		 * with the boot ROM. A pointer to a data structure
 		 * describing the boot process can be stored there,
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index b79bc8926cc9..da77930480e9 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -644,16 +644,21 @@ static void serial_out_override(struct uart_port *up, int offset, int value)
 }
 void __init omap_serial_early_init(void)
 {
-	int i;
+	int i, nr_ports;
 	char name[16];
 
+	if (!(cpu_is_omap3630() || cpu_is_omap4430()))
+		nr_ports = 3;
+	else
+		nr_ports = ARRAY_SIZE(omap_uart);
+
 	/*
 	 * Make sure the serial ports are muxed on at this point.
 	 * You have to mux them off in device drivers later on
 	 * if not needed.
 	 */
 
-	for (i = 0; i < ARRAY_SIZE(omap_uart); i++) {
+	for (i = 0; i < nr_ports; i++) {
 		struct omap_uart_state *uart = &omap_uart[i];
 		struct platform_device *pdev = &uart->pdev;
 		struct device *dev = &pdev->dev;
@@ -669,17 +674,17 @@ void __init omap_serial_early_init(void)
 			continue;
 		}
 
-		sprintf(name, "uart%d_ick", i+1);
+		sprintf(name, "uart%d_ick", i + 1);
 		uart->ick = clk_get(NULL, name);
 		if (IS_ERR(uart->ick)) {
-			printk(KERN_ERR "Could not get uart%d_ick\n", i+1);
+			printk(KERN_ERR "Could not get uart%d_ick\n", i + 1);
 			uart->ick = NULL;
 		}
 
 		sprintf(name, "uart%d_fck", i+1);
 		uart->fck = clk_get(NULL, name);
 		if (IS_ERR(uart->fck)) {
-			printk(KERN_ERR "Could not get uart%d_fck\n", i+1);
+			printk(KERN_ERR "Could not get uart%d_fck\n", i + 1);
 			uart->fck = NULL;
 		}
 
diff --git a/arch/arm/mach-omap2/usb-ehci.c b/arch/arm/mach-omap2/usb-ehci.c
index f1df873d59db..ee9f548d5d81 100644
--- a/arch/arm/mach-omap2/usb-ehci.c
+++ b/arch/arm/mach-omap2/usb-ehci.c
@@ -70,7 +70,7 @@ static struct platform_device ehci_device = {
 /*
  * setup_ehci_io_mux - initialize IO pad mux for USBHOST
  */
-static void setup_ehci_io_mux(enum ehci_hcd_omap_mode *port_mode)
+static void setup_ehci_io_mux(const enum ehci_hcd_omap_mode *port_mode)
 {
 	switch (port_mode[0]) {
 	case EHCI_HCD_OMAP_MODE_PHY:
@@ -213,7 +213,7 @@ static void setup_ehci_io_mux(enum ehci_hcd_omap_mode *port_mode)
 	return;
 }
 
-void __init usb_ehci_init(struct ehci_hcd_omap_platform_data *pdata)
+void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
 {
 	platform_device_add_data(&ehci_device, pdata, sizeof(*pdata));
 
@@ -229,7 +229,7 @@ void __init usb_ehci_init(struct ehci_hcd_omap_platform_data *pdata)
 
 #else
 
-void __init usb_ehci_init(struct ehci_hcd_omap_platform_data *pdata)
+void __init usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata)
 
 {
 }
diff --git a/arch/arm/mach-orion5x/Kconfig b/arch/arm/mach-orion5x/Kconfig
index c3d513cad5ac..905719a677ae 100644
--- a/arch/arm/mach-orion5x/Kconfig
+++ b/arch/arm/mach-orion5x/Kconfig
@@ -57,6 +57,13 @@ config MACH_LINKSTATION_MINI
 	  Say 'Y' here if you want your kernel to support the
 	  Buffalo Linkstation Mini platform.
 
+config MACH_LINKSTATION_LS_HGL
+	bool "Buffalo Linkstation LS-HGL"
+	select I2C_BOARDINFO
+	help
+	  Say 'Y' here if you want your kernel to support the
+	  Buffalo Linkstation LS-HGL platform.
+
 config MACH_TS409
 	bool "QNAP TS-409"
 	help
diff --git a/arch/arm/mach-orion5x/Makefile b/arch/arm/mach-orion5x/Makefile
index 89772fcd65c7..eb6eabcb41e4 100644
--- a/arch/arm/mach-orion5x/Makefile
+++ b/arch/arm/mach-orion5x/Makefile
@@ -5,6 +5,7 @@ obj-$(CONFIG_MACH_KUROBOX_PRO)	+= kurobox_pro-setup.o
 obj-$(CONFIG_MACH_TERASTATION_PRO2)	+= terastation_pro2-setup.o
 obj-$(CONFIG_MACH_LINKSTATION_PRO) += kurobox_pro-setup.o
 obj-$(CONFIG_MACH_LINKSTATION_MINI) += lsmini-setup.o
+obj-$(CONFIG_MACH_LINKSTATION_LS_HGL) += ls_hgl-setup.o
 obj-$(CONFIG_MACH_DNS323)	+= dns323-setup.o
 obj-$(CONFIG_MACH_TS209)	+= ts209-setup.o tsx09-common.o
 obj-$(CONFIG_MACH_TS409)	+= ts409-setup.o tsx09-common.o
diff --git a/arch/arm/mach-orion5x/common.c b/arch/arm/mach-orion5x/common.c
index f87fa1253803..8dc2c76d2260 100644
--- a/arch/arm/mach-orion5x/common.c
+++ b/arch/arm/mach-orion5x/common.c
@@ -488,7 +488,7 @@ static struct platform_device orion5x_xor0_channel = {
 	.dev		= {
 		.dma_mask		= &orion5x_xor_dmamask,
 		.coherent_dma_mask	= DMA_BIT_MASK(64),
-		.platform_data		= (void *)&orion5x_xor0_data,
+		.platform_data		= &orion5x_xor0_data,
 	},
 };
 
@@ -514,7 +514,7 @@ static struct platform_device orion5x_xor1_channel = {
 	.dev		= {
 		.dma_mask		= &orion5x_xor_dmamask,
 		.coherent_dma_mask	= DMA_BIT_MASK(64),
-		.platform_data		= (void *)&orion5x_xor1_data,
+		.platform_data		= &orion5x_xor1_data,
 	},
 };
 
diff --git a/arch/arm/mach-orion5x/d2net-setup.c b/arch/arm/mach-orion5x/d2net-setup.c
index 9d4bf763f25b..7130904ad999 100644
--- a/arch/arm/mach-orion5x/d2net-setup.c
+++ b/arch/arm/mach-orion5x/d2net-setup.c
@@ -149,10 +149,7 @@ static void __init d2net_sata_power_init(void)
 
 /*
  * The blue front LED is wired to the CPLD and can blink in relation with the
- * SATA activity. This feature is disabled to make this LED compatible with
- * the leds-gpio driver: MPP14 and MPP15 are configured to act like output
- * GPIO's and have to stay in an active state. This is needed to set the blue
- * LED in a "fix on" state regardless of the SATA activity.
+ * SATA activity.
  *
  * The following array detail the different LED registers and the combination
  * of their possible values:
@@ -171,12 +168,11 @@ static void __init d2net_sata_power_init(void)
 #define D2NET_GPIO_RED_LED		6
 #define D2NET_GPIO_BLUE_LED_BLINK_CTRL	16
 #define D2NET_GPIO_BLUE_LED_OFF		23
-#define D2NET_GPIO_SATA0_ACT		14
-#define D2NET_GPIO_SATA1_ACT		15
 
 static struct gpio_led d2net_leds[] = {
 	{
-		.name = "d2net:blue:power",
+		.name = "d2net:blue:sata",
+		.default_trigger = "default-on",
 		.gpio = D2NET_GPIO_BLUE_LED_OFF,
 		.active_low = 1,
 	},
@@ -201,25 +197,22 @@ static struct platform_device d2net_gpio_leds = {
 
 static void __init d2net_gpio_leds_init(void)
 {
+	int err;
+
 	/* Configure GPIO over MPP max number. */
 	orion_gpio_set_valid(D2NET_GPIO_BLUE_LED_OFF, 1);
 
-	if (gpio_request(D2NET_GPIO_SATA0_ACT, "LED SATA0 activity") != 0)
-		return;
-	if (gpio_direction_output(D2NET_GPIO_SATA0_ACT, 1) != 0)
-		goto err_free_1;
-	if (gpio_request(D2NET_GPIO_SATA1_ACT, "LED SATA1 activity") != 0)
-		goto err_free_1;
-	if (gpio_direction_output(D2NET_GPIO_SATA1_ACT, 1) != 0)
-		goto err_free_2;
-	platform_device_register(&d2net_gpio_leds);
-	return;
+	/* Configure register blink_ctrl to allow SATA activity LED blinking. */
+	err = gpio_request(D2NET_GPIO_BLUE_LED_BLINK_CTRL, "blue LED blink");
+	if (err == 0) {
+		err = gpio_direction_output(D2NET_GPIO_BLUE_LED_BLINK_CTRL, 1);
+		if (err)
+			gpio_free(D2NET_GPIO_BLUE_LED_BLINK_CTRL);
+	}
+	if (err)
+		pr_err("d2net: failed to configure blue LED blink GPIO\n");
 
-err_free_2:
-	gpio_free(D2NET_GPIO_SATA1_ACT);
-err_free_1:
-	gpio_free(D2NET_GPIO_SATA0_ACT);
-	return;
+	platform_device_register(&d2net_gpio_leds);
 }
 
 /****************************************************************************
@@ -289,8 +282,8 @@ static struct orion5x_mpp_mode d2net_mpp_modes[] __initdata = {
 	{ 11, MPP_UNUSED },
 	{ 12, MPP_GPIO },	/* SATA 1 power */
 	{ 13, MPP_UNUSED },
-	{ 14, MPP_GPIO },	/* SATA 0 active */
-	{ 15, MPP_GPIO },	/* SATA 1 active */
+	{ 14, MPP_SATA_LED },	/* SATA 0 active */
+	{ 15, MPP_SATA_LED },	/* SATA 1 active */
 	{ 16, MPP_GPIO },	/* Blue front LED blink control */
 	{ 17, MPP_UNUSED },
 	{ 18, MPP_GPIO },	/* Front button (0 = Released, 1 = Pushed ) */
@@ -301,6 +294,8 @@ static struct orion5x_mpp_mode d2net_mpp_modes[] __initdata = {
 	/* 24: Inhibit board power off (0 = Disabled, 1 = Enabled) */
 };
 
+#define D2NET_GPIO_INHIBIT_POWER_OFF    24
+
 static void __init d2net_init(void)
 {
 	/*
@@ -333,6 +328,8 @@ static void __init d2net_init(void)
 
 	i2c_register_board_info(0, d2net_i2c_devices,
 				ARRAY_SIZE(d2net_i2c_devices));
+
+	orion_gpio_set_valid(D2NET_GPIO_INHIBIT_POWER_OFF, 1);
 }
 
 /* Warning: LaCie use a wrong mach-type (0x20e=526) in their bootloader. */
diff --git a/arch/arm/mach-orion5x/dns323-setup.c b/arch/arm/mach-orion5x/dns323-setup.c
index 8f159db4d08a..421b82f7c63d 100644
--- a/arch/arm/mach-orion5x/dns323-setup.c
+++ b/arch/arm/mach-orion5x/dns323-setup.c
@@ -34,7 +34,8 @@
 #define DNS323_GPIO_LED_RIGHT_AMBER	1
 #define DNS323_GPIO_LED_LEFT_AMBER	2
 #define DNS323_GPIO_SYSTEM_UP		3
-#define DNS323_GPIO_LED_POWER		5
+#define DNS323_GPIO_LED_POWER1		4
+#define DNS323_GPIO_LED_POWER2		5
 #define DNS323_GPIO_OVERTEMP		6
 #define DNS323_GPIO_RTC			7
 #define DNS323_GPIO_POWER_OFF		8
@@ -237,11 +238,31 @@ error_fail:
  * GPIO LEDs (simple - doesn't use hardware blinking support)
  */
 
+#define ORION_BLINK_HALF_PERIOD 100 /* ms */
+
+static int dns323_gpio_blink_set(unsigned gpio,
+	unsigned long *delay_on, unsigned long *delay_off)
+{
+	static int value = 0;
+
+	if (!*delay_on && !*delay_off)
+		*delay_on = *delay_off = ORION_BLINK_HALF_PERIOD;
+
+	if (ORION_BLINK_HALF_PERIOD == *delay_on
+	    && ORION_BLINK_HALF_PERIOD == *delay_off) {
+		value = !value;
+		orion_gpio_set_blink(gpio, value);
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
 static struct gpio_led dns323_leds[] = {
 	{
 		.name = "power:blue",
-		.gpio = DNS323_GPIO_LED_POWER,
-		.default_state = LEDS_GPIO_DEFSTATE_ON,
+		.gpio = DNS323_GPIO_LED_POWER2,
+		.default_trigger = "timer",
 	}, {
 		.name = "right:amber",
 		.gpio = DNS323_GPIO_LED_RIGHT_AMBER,
@@ -256,6 +277,7 @@ static struct gpio_led dns323_leds[] = {
 static struct gpio_led_platform_data dns323_led_data = {
 	.num_leds	= ARRAY_SIZE(dns323_leds),
 	.leds		= dns323_leds,
+	.gpio_blink_set = dns323_gpio_blink_set,
 };
 
 static struct platform_device dns323_gpio_leds = {
@@ -412,6 +434,14 @@ static void __init dns323_init(void)
 	orion5x_setup_dev_boot_win(DNS323_NOR_BOOT_BASE, DNS323_NOR_BOOT_SIZE);
 	platform_device_register(&dns323_nor_flash);
 
+	/* The 5181 power LED is active low and requires
+	 * DNS323_GPIO_LED_POWER1 to also be low.
+	 */
+	if (dns323_dev_id() == MV88F5181_DEV_ID) {
+		dns323_leds[0].active_low = 1;
+		gpio_direction_output(DNS323_GPIO_LED_POWER1, 0);
+	}
+
 	platform_device_register(&dns323_gpio_leds);
 
 	platform_device_register(&dns323_button_device);
diff --git a/arch/arm/mach-orion5x/ls_hgl-setup.c b/arch/arm/mach-orion5x/ls_hgl-setup.c
new file mode 100644
index 000000000000..8e569be6e2c7
--- /dev/null
+++ b/arch/arm/mach-orion5x/ls_hgl-setup.c
@@ -0,0 +1,276 @@
+/*
+ * arch/arm/mach-orion5x/ls_hgl-setup.c
+ *
+ * Maintainer: Zhu Qingsen <zhuqs@cn.fujitsu.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mv643xx_eth.h>
+#include <linux/leds.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/i2c.h>
+#include <linux/ata_platform.h>
+#include <linux/gpio.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/system.h>
+#include <mach/orion5x.h>
+#include "common.h"
+#include "mpp.h"
+
+/*****************************************************************************
+ * Linkstation LS-HGL Info
+ ****************************************************************************/
+
+/*
+ * 256K NOR flash Device bus boot chip select
+ */
+
+#define LS_HGL_NOR_BOOT_BASE	0xf4000000
+#define LS_HGL_NOR_BOOT_SIZE	SZ_256K
+
+/*****************************************************************************
+ * 256KB NOR Flash on BOOT Device
+ ****************************************************************************/
+
+static struct physmap_flash_data ls_hgl_nor_flash_data = {
+	.width		= 1,
+};
+
+static struct resource ls_hgl_nor_flash_resource = {
+	.flags	= IORESOURCE_MEM,
+	.start	= LS_HGL_NOR_BOOT_BASE,
+	.end	= LS_HGL_NOR_BOOT_BASE + LS_HGL_NOR_BOOT_SIZE - 1,
+};
+
+static struct platform_device ls_hgl_nor_flash = {
+	.name			= "physmap-flash",
+	.id			= 0,
+	.dev		= {
+		.platform_data	= &ls_hgl_nor_flash_data,
+	},
+	.num_resources		= 1,
+	.resource		= &ls_hgl_nor_flash_resource,
+};
+
+/*****************************************************************************
+ * Ethernet
+ ****************************************************************************/
+
+static struct mv643xx_eth_platform_data ls_hgl_eth_data = {
+	.phy_addr	= 8,
+};
+
+/*****************************************************************************
+ * RTC 5C372a on I2C bus
+ ****************************************************************************/
+
+static struct i2c_board_info __initdata ls_hgl_i2c_rtc = {
+	I2C_BOARD_INFO("rs5c372a", 0x32),
+};
+
+/*****************************************************************************
+ * LEDs attached to GPIO
+ ****************************************************************************/
+
+#define LS_HGL_GPIO_LED_ALARM   2
+#define LS_HGL_GPIO_LED_INFO    3
+#define LS_HGL_GPIO_LED_FUNC    17
+#define LS_HGL_GPIO_LED_PWR     0
+
+
+static struct gpio_led ls_hgl_led_pins[] = {
+	{
+		.name	   = "alarm:red",
+		.gpio	   = LS_HGL_GPIO_LED_ALARM,
+		.active_low     = 1,
+	}, {
+		.name	   = "info:amber",
+		.gpio	   = LS_HGL_GPIO_LED_INFO,
+		.active_low     = 1,
+	}, {
+		.name	   = "func:blue:top",
+		.gpio	   = LS_HGL_GPIO_LED_FUNC,
+		.active_low     = 1,
+	}, {
+		.name	   = "power:blue:bottom",
+		.gpio	   = LS_HGL_GPIO_LED_PWR,
+	},
+};
+
+static struct gpio_led_platform_data ls_hgl_led_data = {
+	.leds	   = ls_hgl_led_pins,
+	.num_leds       = ARRAY_SIZE(ls_hgl_led_pins),
+};
+
+static struct platform_device ls_hgl_leds = {
+	.name   = "leds-gpio",
+	.id     = -1,
+	.dev    = {
+		.platform_data  = &ls_hgl_led_data,
+	},
+};
+
+/****************************************************************************
+ * GPIO Attached Keys
+ ****************************************************************************/
+#define LS_HGL_GPIO_KEY_FUNC       15
+#define LS_HGL_GPIO_KEY_POWER      8
+#define LS_HGL_GPIO_KEY_AUTOPOWER  10
+
+#define LS_HGL_SW_POWER     0x00
+#define LS_HGL_SW_AUTOPOWER 0x01
+
+static struct gpio_keys_button ls_hgl_buttons[] = {
+	{
+		.code	   = KEY_OPTION,
+		.gpio	   = LS_HGL_GPIO_KEY_FUNC,
+		.desc	   = "Function Button",
+		.active_low     = 1,
+	}, {
+		.type		= EV_SW,
+		.code	   = LS_HGL_SW_POWER,
+		.gpio	   = LS_HGL_GPIO_KEY_POWER,
+		.desc	   = "Power-on Switch",
+		.active_low     = 1,
+	}, {
+		.type		= EV_SW,
+		.code	   = LS_HGL_SW_AUTOPOWER,
+		.gpio	   = LS_HGL_GPIO_KEY_AUTOPOWER,
+		.desc	   = "Power-auto Switch",
+		.active_low     = 1,
+	},
+};
+
+static struct gpio_keys_platform_data ls_hgl_button_data = {
+	.buttons	= ls_hgl_buttons,
+	.nbuttons       = ARRAY_SIZE(ls_hgl_buttons),
+};
+
+static struct platform_device ls_hgl_button_device = {
+	.name	   = "gpio-keys",
+	.id	     = -1,
+	.num_resources  = 0,
+	.dev	    = {
+		.platform_data  = &ls_hgl_button_data,
+	},
+};
+
+
+/*****************************************************************************
+ * SATA
+ ****************************************************************************/
+static struct mv_sata_platform_data ls_hgl_sata_data = {
+	.n_ports	= 2,
+};
+
+
+/*****************************************************************************
+ * Linkstation LS-HGL specific power off method: reboot
+ ****************************************************************************/
+/*
+ * On the Linkstation LS-HGL, the shutdown process is following:
+ * - Userland monitors key events until the power switch goes to off position
+ * - The board reboots
+ * - U-boot starts and goes into an idle mode waiting for the user
+ *   to move the switch to ON position
+ */
+
+static void ls_hgl_power_off(void)
+{
+	arm_machine_restart('h', NULL);
+}
+
+
+/*****************************************************************************
+ * General Setup
+ ****************************************************************************/
+
+#define LS_HGL_GPIO_USB_POWER	9
+#define LS_HGL_GPIO_AUTO_POWER	10
+#define LS_HGL_GPIO_POWER	    8
+
+#define LS_HGL_GPIO_HDD_POWER	1
+
+static struct orion5x_mpp_mode ls_hgl_mpp_modes[] __initdata = {
+	{  0, MPP_GPIO }, /* LED_PWR */
+	{  1, MPP_GPIO }, /* HDD_PWR */
+	{  2, MPP_GPIO }, /* LED_ALARM */
+	{  3, MPP_GPIO }, /* LED_INFO */
+	{  4, MPP_UNUSED },
+	{  5, MPP_UNUSED },
+	{  6, MPP_GPIO }, /* FAN_LCK */
+	{  7, MPP_GPIO }, /* INIT */
+	{  8, MPP_GPIO }, /* POWER */
+	{  9, MPP_GPIO }, /* USB_PWR */
+	{ 10, MPP_GPIO }, /* AUTO_POWER */
+	{ 11, MPP_UNUSED }, /* LED_ETH (dummy) */
+	{ 12, MPP_UNUSED },
+	{ 13, MPP_UNUSED },
+	{ 14, MPP_UNUSED },
+	{ 15, MPP_GPIO }, /* FUNC */
+	{ 16, MPP_UNUSED },
+	{ 17, MPP_GPIO }, /* LED_FUNC */
+	{ 18, MPP_UNUSED },
+	{ 19, MPP_UNUSED },
+	{ -1 },
+};
+
+static void __init ls_hgl_init(void)
+{
+	/*
+	 * Setup basic Orion functions. Need to be called early.
+	 */
+	orion5x_init();
+
+	orion5x_mpp_conf(ls_hgl_mpp_modes);
+
+	/*
+	 * Configure peripherals.
+	 */
+	orion5x_ehci0_init();
+	orion5x_ehci1_init();
+	orion5x_eth_init(&ls_hgl_eth_data);
+	orion5x_i2c_init();
+	orion5x_sata_init(&ls_hgl_sata_data);
+	orion5x_uart0_init();
+	orion5x_xor_init();
+
+	orion5x_setup_dev_boot_win(LS_HGL_NOR_BOOT_BASE,
+				   LS_HGL_NOR_BOOT_SIZE);
+	platform_device_register(&ls_hgl_nor_flash);
+
+	platform_device_register(&ls_hgl_button_device);
+
+	platform_device_register(&ls_hgl_leds);
+
+	i2c_register_board_info(0, &ls_hgl_i2c_rtc, 1);
+
+	/* enable USB power */
+	gpio_set_value(LS_HGL_GPIO_USB_POWER, 1);
+
+	/* register power-off method */
+	pm_power_off = ls_hgl_power_off;
+
+	pr_info("%s: finished\n", __func__);
+}
+
+MACHINE_START(LINKSTATION_LS_HGL, "Buffalo Linkstation LS-HGL")
+	/* Maintainer: Zhu Qingsen <zhuqs@cn.fujistu.com> */
+	.phys_io	= ORION5X_REGS_PHYS_BASE,
+	.io_pg_offst	= ((ORION5X_REGS_VIRT_BASE) >> 18) & 0xFFFC,
+	.boot_params	= 0x00000100,
+	.init_machine	= ls_hgl_init,
+	.map_io		= orion5x_map_io,
+	.init_irq	= orion5x_init_irq,
+	.timer		= &orion5x_timer,
+	.fixup		= tag_fixup_mem32,
+MACHINE_END
diff --git a/arch/arm/mach-orion5x/lsmini-setup.c b/arch/arm/mach-orion5x/lsmini-setup.c
index c9bf6b81a80d..c704f056de1e 100644
--- a/arch/arm/mach-orion5x/lsmini-setup.c
+++ b/arch/arm/mach-orion5x/lsmini-setup.c
@@ -11,7 +11,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
-#include <linux/pci.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mv643xx_eth.h>
 #include <linux/leds.h>
@@ -19,12 +18,13 @@
 #include <linux/input.h>
 #include <linux/i2c.h>
 #include <linux/ata_platform.h>
-#include <asm/mach-types.h>
 #include <linux/gpio.h>
+#include <asm/mach-types.h>
 #include <asm/mach/arch.h>
+#include <asm/system.h>
+#include <mach/orion5x.h>
 #include "common.h"
 #include "mpp.h"
-#include "include/mach/system.h"
 
 /*****************************************************************************
  * Linkstation Mini Info
@@ -186,7 +186,7 @@ static struct mv_sata_platform_data lsmini_sata_data = {
 
 static void lsmini_power_off(void)
 {
-	arch_reset(0, NULL);
+	arm_machine_restart('h', NULL);
 }
 
 
diff --git a/arch/arm/mach-orion5x/wrt350n-v2-setup.c b/arch/arm/mach-orion5x/wrt350n-v2-setup.c
index cb0feca193d4..f9f222ebb7ed 100644
--- a/arch/arm/mach-orion5x/wrt350n-v2-setup.c
+++ b/arch/arm/mach-orion5x/wrt350n-v2-setup.c
@@ -77,7 +77,7 @@ static struct gpio_keys_button wrt350n_v2_buttons[] = {
 		.desc		= "Reset Button",
 		.active_low	= 1,
 	}, {
-		.code		= KEY_WLAN,
+		.code		= KEY_WPS_BUTTON,
 		.gpio		= 2,
 		.desc		= "WPS Button",
 		.active_low	= 1,
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index dee92182749b..5b6ee46fa7f6 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -115,6 +115,11 @@ config MACH_CM_X300
 	select CPU_PXA310
 	select HAVE_PWM
 
+config MACH_CAPC7117
+	bool "Embedian CAPC-7117 evaluation kit based on the MXM-8x10 CoM"
+	select CPU_PXA320
+	select PXA3xx
+
 config ARCH_GUMSTIX
 	bool "Gumstix XScale 255 boards"
 	select PXA25x
@@ -267,7 +272,6 @@ config MACH_H5000
 config MACH_HIMALAYA
 	bool "HTC Himalaya Support"
 	select CPU_PXA26x
-	select FB_W100
 
 config MACH_MAGICIAN
 	bool "Enable HTC Magician Support"
@@ -417,6 +421,24 @@ config MACH_TREO680
 	  Say Y here if you intend to run this kernel on Palm Treo 680
 	  smartphone.
 
+config MACH_RAUMFELD_RC
+	bool "Raumfeld Controller"
+	select PXA3xx
+	select CPU_PXA300
+	select HAVE_PWM
+
+config MACH_RAUMFELD_CONNECTOR
+	bool "Raumfeld Connector"
+	select PXA3xx
+	select CPU_PXA300
+	select PXA_SSP
+
+config MACH_RAUMFELD_SPEAKER
+	bool "Raumfeld Speaker"
+	select PXA3xx
+	select CPU_PXA300
+	select PXA_SSP
+
 config PXA_SHARPSL
 	bool "SHARP Zaurus SL-5600, SL-C7xx and SL-Cxx00 Models"
 	select SHARP_SCOOP
@@ -431,10 +453,18 @@ config PXA_SHARPSL
 config SHARPSL_PM
 	bool
 	select APM_EMULATION
+	select SHARPSL_PM_MAX1111
+
+config SHARPSL_PM_MAX1111
+	bool
+	depends on !CORGI_SSP_DEPRECATED
+	select HWMON
+	select SENSORS_MAX1111
 
 config CORGI_SSP_DEPRECATED
 	bool
 	select PXA_SSP
+	select PXA_SSP_LEGACY
 	help
 	  This option will include corgi_ssp.c and corgi_lcd.c
 	  that corgi_ts.c and other legacy drivers (corgi_bl.c
@@ -446,6 +476,7 @@ config MACH_POODLE
 	select PXA25x
 	select SHARP_LOCOMO
 	select PXA_SSP
+	select PXA_HAVE_BOARD_IRQS
 
 config MACH_CORGI
 	bool "Enable Sharp SL-C700 (Corgi) Support"
@@ -492,6 +523,11 @@ config MACH_TOSA
 	select PXA25x
 	select PXA_HAVE_BOARD_IRQS
 
+config MACH_ICONTROL
+	bool "TMT iControl/SafeTCam based on the MXM-8x10 CoM"
+	select CPU_PXA320
+	select PXA3xx
+
 config ARCH_PXA_ESERIES
 	bool "PXA based Toshiba e-series PDAs"
 	select PXA25x
@@ -517,7 +553,6 @@ config MACH_E740
 	bool "Toshiba e740"
 	default y
 	depends on ARCH_PXA_ESERIES
-	select FB_W100
 	help
 	  Say Y here if you intend to run this kernel on a Toshiba
 	  e740 family PDA.
@@ -526,7 +561,6 @@ config MACH_E750
 	bool "Toshiba e750"
 	default y
 	depends on ARCH_PXA_ESERIES
-	select FB_W100
 	help
 	  Say Y here if you intend to run this kernel on a Toshiba
 	  e750 family PDA.
@@ -543,7 +577,6 @@ config MACH_E800
 	bool "Toshiba e800"
 	default y
 	depends on ARCH_PXA_ESERIES
-	select FB_W100
 	help
 	  Say Y here if you intend to run this kernel on a Toshiba
 	  e800 family PDA.
@@ -629,6 +662,11 @@ config PXA_SSP
 	help
 	  Enable support for PXA2xx SSP ports
 
+config PXA_SSP_LEGACY
+	bool
+	help
+	  Support of legacy SSP API
+
 config TOSA_BT
 	tristate "Control the state of built-in bluetooth chip on Sharp SL-6000"
 	depends on MACH_TOSA
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index f64afda7e6f6..86bc87b7f2dd 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -48,6 +48,7 @@ obj-$(CONFIG_MACH_ARMCORE)	+= cm-x2xx-pci.o
 endif
 obj-$(CONFIG_MACH_EM_X270)	+= em-x270.o
 obj-$(CONFIG_MACH_CM_X300)      += cm-x300.o
+obj-$(CONFIG_MACH_CAPC7117)     += capc7117.o mxm8x10.o
 obj-$(CONFIG_ARCH_GUMSTIX)	+= gumstix.o
 obj-$(CONFIG_GUMSTIX_AM200EPD)	+= am200epd.o
 obj-$(CONFIG_GUMSTIX_AM300EPD)	+= am300epd.o
@@ -82,6 +83,7 @@ obj-$(CONFIG_PXA_SHARP_Cxx00)	+= spitz.o sharpsl_pm.o spitz_pm.o
 obj-$(CONFIG_CORGI_SSP_DEPRECATED)	+= corgi_ssp.o corgi_lcd.o
 obj-$(CONFIG_MACH_POODLE)	+= poodle.o
 obj-$(CONFIG_MACH_TOSA)		+= tosa.o
+obj-$(CONFIG_MACH_ICONTROL)     += icontrol.o mxm8x10.o
 obj-$(CONFIG_ARCH_PXA_ESERIES)	+= eseries.o
 obj-$(CONFIG_MACH_E330)		+= e330.o
 obj-$(CONFIG_MACH_E350)		+= e350.o
@@ -89,6 +91,9 @@ obj-$(CONFIG_MACH_E740)		+= e740.o
 obj-$(CONFIG_MACH_E750)		+= e750.o
 obj-$(CONFIG_MACH_E400)		+= e400.o
 obj-$(CONFIG_MACH_E800)		+= e800.o
+obj-$(CONFIG_MACH_RAUMFELD_RC)		+= raumfeld.o
+obj-$(CONFIG_MACH_RAUMFELD_CONNECTOR)	+= raumfeld.o
+obj-$(CONFIG_MACH_RAUMFELD_SPEAKER)	+= raumfeld.o
 
 # Support for blinky lights
 led-y := leds.o
diff --git a/arch/arm/mach-pxa/am300epd.c b/arch/arm/mach-pxa/am300epd.c
index 4bd10a17332e..993d75e66390 100644
--- a/arch/arm/mach-pxa/am300epd.c
+++ b/arch/arm/mach-pxa/am300epd.c
@@ -288,7 +288,7 @@ int __init am300_init(void)
 }
 
 module_param(panel_type, uint, 0);
-MODULE_PARM_DESC(panel_type, "Select the panel type: 6, 8, 97");
+MODULE_PARM_DESC(panel_type, "Select the panel type: 37, 6, 97");
 
 MODULE_DESCRIPTION("board driver for am300 epd kit");
 MODULE_AUTHOR("Jaya Kumar");
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index b8cd07ca9380..f3b5ace815e5 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -132,6 +132,14 @@ static void __init balloon3_init_irq(void)
 		"enabled\n", __func__, BALLOON3_AUX_NIRQ);
 }
 
+static unsigned long balloon3_ac97_pin_config[] = {
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+	GPIO113_AC97_nRESET,
+};
+
 static void balloon3_backlight_power(int on)
 {
 	pr_debug("%s: power is %s\n", __func__, on ? "on" : "off");
@@ -140,26 +148,7 @@ static void balloon3_backlight_power(int on)
 
 static unsigned long balloon3_lcd_pin_config[] = {
 	/* LCD - 16bpp Active TFT */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 
 	GPIO99_GPIO,		/* Backlight */
 };
@@ -311,8 +300,10 @@ static void __init balloon3_init(void)
 	pxa_set_stuart_info(NULL);
 
 	pxa_set_i2c_info(NULL);
-	if (balloon3_has(BALLOON3_FEATURE_AUDIO))
+	if (balloon3_has(BALLOON3_FEATURE_AUDIO)) {
+		pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ac97_pin_config));
 		pxa_set_ac97_info(NULL);
+	}
 
 	if (balloon3_has(BALLOON3_FEATURE_TOPPOLY)) {
 		pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_lcd_pin_config));
diff --git a/arch/arm/mach-pxa/capc7117.c b/arch/arm/mach-pxa/capc7117.c
new file mode 100644
index 000000000000..aae544631a8b
--- /dev/null
+++ b/arch/arm/mach-pxa/capc7117.c
@@ -0,0 +1,158 @@
+/*
+ * linux/arch/arm/mach-pxa/capc7117.c
+ *
+ * Support for the Embedian CAPC-7117 Evaluation Kit
+ * based on the Embedian MXM-8x10 Computer on Module
+ *
+ * Copyright (C) 2009 Embedian Inc.
+ * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd.
+ *
+ * 2007-09-04: eric miao <eric.y.miao@gmail.com>
+ *             rewrite to align with latest kernel
+ *
+ * 2010-01-09: Edwin Peer <epeer@tmtservices.co.za>
+ *             Hennie van der Merwe <hvdmerwe@tmtservices.co.za>
+ *             rework for upstream merge
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/ata_platform.h>
+#include <linux/serial_8250.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/pxa320.h>
+#include <mach/mxm8x10.h>
+
+#include "generic.h"
+
+/* IDE (PATA) Support */
+static struct pata_platform_info pata_platform_data = {
+	.ioport_shift = 1
+};
+
+static struct resource capc7117_ide_resources[] = {
+	[0] = {
+	       .start = 0x11000020,
+	       .end = 0x1100003f,
+	       .flags = IORESOURCE_MEM
+	},
+	[1] = {
+	       .start = 0x1100001c,
+	       .end = 0x1100001c,
+	       .flags = IORESOURCE_MEM
+	},
+	[2] = {
+	       .start = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO76)),
+	       .end = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO76)),
+	       .flags = IORESOURCE_IRQ | IRQF_TRIGGER_RISING
+	}
+};
+
+static struct platform_device capc7117_ide_device = {
+	.name = "pata_platform",
+	.num_resources = ARRAY_SIZE(capc7117_ide_resources),
+	.resource = capc7117_ide_resources,
+	.dev = {
+		.platform_data = &pata_platform_data,
+		.coherent_dma_mask = ~0		/* grumble */
+	}
+};
+
+static void __init capc7117_ide_init(void)
+{
+	platform_device_register(&capc7117_ide_device);
+}
+
+/* TI16C752 UART support */
+#define	TI16C752_FLAGS		(UPF_BOOT_AUTOCONF | \
+					UPF_IOREMAP | \
+					UPF_BUGGY_UART | \
+					UPF_SKIP_TEST)
+#define	TI16C752_UARTCLK	(22118400)
+static struct plat_serial8250_port ti16c752_platform_data[] = {
+	[0] = {
+	       .mapbase = 0x14000000,
+	       .irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO78)),
+	       .irqflags = IRQF_TRIGGER_RISING,
+	       .flags = TI16C752_FLAGS,
+	       .iotype = UPIO_MEM,
+	       .regshift = 1,
+	       .uartclk = TI16C752_UARTCLK
+	},
+	[1] = {
+	       .mapbase = 0x14000040,
+	       .irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO79)),
+	       .irqflags = IRQF_TRIGGER_RISING,
+	       .flags = TI16C752_FLAGS,
+	       .iotype = UPIO_MEM,
+	       .regshift = 1,
+	       .uartclk = TI16C752_UARTCLK
+	},
+	[2] = {
+	       .mapbase = 0x14000080,
+	       .irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO80)),
+	       .irqflags = IRQF_TRIGGER_RISING,
+	       .flags = TI16C752_FLAGS,
+	       .iotype = UPIO_MEM,
+	       .regshift = 1,
+	       .uartclk = TI16C752_UARTCLK
+	},
+	[3] = {
+	       .mapbase = 0x140000c0,
+	       .irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO81)),
+	       .irqflags = IRQF_TRIGGER_RISING,
+	       .flags = TI16C752_FLAGS,
+	       .iotype = UPIO_MEM,
+	       .regshift = 1,
+	       .uartclk = TI16C752_UARTCLK
+	},
+	[4] = {
+	       /* end of array */
+	}
+};
+
+static struct platform_device ti16c752_device = {
+	.name = "serial8250",
+	.id = PLAT8250_DEV_PLATFORM,
+	.dev = {
+		.platform_data = ti16c752_platform_data
+	}
+};
+
+static void __init capc7117_uarts_init(void)
+{
+	platform_device_register(&ti16c752_device);
+}
+
+static void __init capc7117_init(void)
+{
+	/* Init CoM */
+	mxm_8x10_barebones_init();
+
+	/* Init evaluation board peripherals */
+	mxm_8x10_ac97_init();
+	mxm_8x10_usb_host_init();
+	mxm_8x10_mmc_init();
+
+	capc7117_uarts_init();
+	capc7117_ide_init();
+}
+
+MACHINE_START(CAPC7117,
+	      "Embedian CAPC-7117 evaluation kit based on the MXM-8x10 CoM")
+	.phys_io = 0x40000000,
+	.boot_params = 0xa0000100,
+	.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.map_io = pxa_map_io,
+	.init_irq = pxa3xx_init_irq,
+	.timer = &pxa_timer,
+	.init_machine = capc7117_init
+MACHINE_END
diff --git a/arch/arm/mach-pxa/cm-x255.c b/arch/arm/mach-pxa/cm-x255.c
index 253fd76142d6..f1a7703d771b 100644
--- a/arch/arm/mach-pxa/cm-x255.c
+++ b/arch/arm/mach-pxa/cm-x255.c
@@ -50,26 +50,7 @@ static unsigned long cmx255_pin_config[] = {
 	GPIO47_STUART_TXD,
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* SSP1 */
 	GPIO23_SSP1_SCLK,
diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c
index eea78b6c2bc5..a9926bb75922 100644
--- a/arch/arm/mach-pxa/cm-x270.c
+++ b/arch/arm/mach-pxa/cm-x270.c
@@ -71,26 +71,7 @@ static unsigned long cmx270_pin_config[] = {
 	GPIO111_MMC_DAT_3,
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* I2C */
 	GPIO117_I2C_SCL,
@@ -195,33 +176,57 @@ static struct resource cmx270_2700G_resource[] = {
 	},
 };
 
-static unsigned long save_lcd_regs[10];
+static unsigned long cmx270_marathon_on[] = {
+	GPIO58_GPIO,
+	GPIO59_GPIO,
+	GPIO60_GPIO,
+	GPIO61_GPIO,
+	GPIO62_GPIO,
+	GPIO63_GPIO,
+	GPIO64_GPIO,
+	GPIO65_GPIO,
+	GPIO66_GPIO,
+	GPIO67_GPIO,
+	GPIO68_GPIO,
+	GPIO69_GPIO,
+	GPIO70_GPIO,
+	GPIO71_GPIO,
+	GPIO72_GPIO,
+	GPIO73_GPIO,
+	GPIO74_GPIO,
+	GPIO75_GPIO,
+	GPIO76_GPIO,
+	GPIO77_GPIO,
+};
+
+static unsigned long cmx270_marathon_off[] = {
+	GPIOxx_LCD_TFT_16BPP,
+};
 
 static int cmx270_marathon_probe(struct fb_info *fb)
 {
-	/* save PXA-270 pin settings before enabling 2700G */
-	save_lcd_regs[0] = GPDR1;
-	save_lcd_regs[1] = GPDR2;
-	save_lcd_regs[2] = GAFR1_U;
-	save_lcd_regs[3] = GAFR2_L;
-	save_lcd_regs[4] = GAFR2_U;
-
-	/* Disable PXA-270 on-chip controller driving pins */
-	GPDR1 &= ~(0xfc000000);
-	GPDR2 &= ~(0x00c03fff);
-	GAFR1_U &= ~(0xfff00000);
-	GAFR2_L &= ~(0x0fffffff);
-	GAFR2_U &= ~(0x0000f000);
+	int gpio, err;
+
+	for (gpio = 58; gpio <= 77; gpio++) {
+		err = gpio_request(gpio, "LCD");
+		if (err)
+			return err;
+		gpio_direction_input(gpio);
+	}
+
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_marathon_on));
 	return 0;
 }
 
 static int cmx270_marathon_remove(struct fb_info *fb)
 {
-	GPDR1 =   save_lcd_regs[0];
-	GPDR2 =   save_lcd_regs[1];
-	GAFR1_U = save_lcd_regs[2];
-	GAFR2_L = save_lcd_regs[3];
-	GAFR2_U = save_lcd_regs[4];
+	int gpio;
+
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx270_marathon_off));
+
+	for (gpio = 58; gpio <= 77; gpio++)
+		gpio_free(gpio);
+
 	return 0;
 }
 
diff --git a/arch/arm/mach-pxa/cm-x2xx-pci.c b/arch/arm/mach-pxa/cm-x2xx-pci.c
index 7873fa3d8fa4..161fc2d61207 100644
--- a/arch/arm/mach-pxa/cm-x2xx-pci.c
+++ b/arch/arm/mach-pxa/cm-x2xx-pci.c
@@ -59,7 +59,7 @@ void __init cmx2xx_pci_adjust_zones(int node, unsigned long *zone_size,
 static void cmx2xx_it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
 {
 	/* clear our parent irq */
-	GEDR(cmx2xx_it8152_irq_gpio) = GPIO_bit(cmx2xx_it8152_irq_gpio);
+	desc->chip->ack(irq);
 
 	it8152_irq_demux(irq, desc);
 }
diff --git a/arch/arm/mach-pxa/corgi_ssp.c b/arch/arm/mach-pxa/corgi_ssp.c
index a5ee70735e04..1d9bc118ee32 100644
--- a/arch/arm/mach-pxa/corgi_ssp.c
+++ b/arch/arm/mach-pxa/corgi_ssp.c
@@ -204,7 +204,7 @@ void __init corgi_ssp_set_machinfo(struct corgissp_machinfo *machinfo)
 	ssp_machinfo = machinfo;
 }
 
-static int __init corgi_ssp_probe(struct platform_device *dev)
+static int __devinit corgi_ssp_probe(struct platform_device *dev)
 {
 	int ret;
 
diff --git a/arch/arm/mach-pxa/e740.c b/arch/arm/mach-pxa/e740.c
index 94b23a9e3877..d578021d1a10 100644
--- a/arch/arm/mach-pxa/e740.c
+++ b/arch/arm/mach-pxa/e740.c
@@ -134,6 +134,12 @@ static unsigned long e740_pin_config[] __initdata = {
 	/* IrDA */
 	GPIO38_GPIO | MFP_LPM_DRIVE_HIGH,
 
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+
 	/* Audio power control */
 	GPIO16_GPIO,  /* AC97 codec AVDD2 supply (analogue power) */
 	GPIO40_GPIO,  /* Mic amp power */
diff --git a/arch/arm/mach-pxa/e750.c b/arch/arm/mach-pxa/e750.c
index 5eccbce73a33..af83caa52dd4 100644
--- a/arch/arm/mach-pxa/e750.c
+++ b/arch/arm/mach-pxa/e750.c
@@ -132,6 +132,12 @@ static unsigned long e750_pin_config[] __initdata = {
 	/* IrDA */
 	GPIO38_GPIO | MFP_LPM_DRIVE_HIGH,
 
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+
 	/* Audio power control */
 	GPIO4_GPIO,  /* Headphone amp power */
 	GPIO7_GPIO,  /* Speaker amp power */
diff --git a/arch/arm/mach-pxa/e800.c b/arch/arm/mach-pxa/e800.c
index aad129bed199..8ea97bf53fe1 100644
--- a/arch/arm/mach-pxa/e800.c
+++ b/arch/arm/mach-pxa/e800.c
@@ -35,6 +35,14 @@
 
 /* ------------------------ e800 LCD definitions ------------------------- */
 
+static unsigned long e800_pin_config[] __initdata = {
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+};
+
 static struct w100_gen_regs e800_lcd_regs = {
 	.lcd_format =            0x00008003,
 	.lcdd_cntl1 =            0x02a00000,
@@ -195,6 +203,7 @@ static struct platform_device *devices[] __initdata = {
 
 static void __init e800_init(void)
 {
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(e800_pin_config));
 	pxa_set_ffuart_info(NULL);
 	pxa_set_btuart_info(NULL);
 	pxa_set_stuart_info(NULL);
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index c8a01bc85fde..aab04f33e49b 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -109,26 +109,7 @@ static unsigned long common_pin_config[] = {
 	GPIO111_MMC_DAT_3,
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* QCI */
 	GPIO84_CIF_FV,
diff --git a/arch/arm/mach-pxa/icontrol.c b/arch/arm/mach-pxa/icontrol.c
new file mode 100644
index 000000000000..771137fc1a82
--- /dev/null
+++ b/arch/arm/mach-pxa/icontrol.c
@@ -0,0 +1,202 @@
+/*
+ * linux/arch/arm/mach-pxa/icontrol.c
+ *
+ * Support for the iControl and SafeTcam platforms from TMT Services
+ * using the Embedian MXM-8x10 Computer on Module
+ *
+ * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd.
+ *
+ * 2010-01-21 Hennie van der Merve <hvdmerwe@tmtservies.co.za>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/pxa320.h>
+#include <mach/mxm8x10.h>
+
+#include <linux/spi/spi.h>
+#include <mach/pxa2xx_spi.h>
+#include <linux/can/platform/mcp251x.h>
+
+#include "generic.h"
+
+#define ICONTROL_MCP251x_nCS1	(15)
+#define ICONTROL_MCP251x_nCS2	(16)
+#define ICONTROL_MCP251x_nCS3	(17)
+#define ICONTROL_MCP251x_nCS4	(24)
+
+#define ICONTROL_MCP251x_nIRQ1	(74)
+#define ICONTROL_MCP251x_nIRQ2	(75)
+#define ICONTROL_MCP251x_nIRQ3	(76)
+#define ICONTROL_MCP251x_nIRQ4	(77)
+
+static struct pxa2xx_spi_chip mcp251x_chip_info1 = {
+	.tx_threshold   = 8,
+	.rx_threshold   = 128,
+	.dma_burst_size = 8,
+	.timeout        = 235,
+	.gpio_cs        = ICONTROL_MCP251x_nCS1
+};
+
+static struct pxa2xx_spi_chip mcp251x_chip_info2 = {
+	.tx_threshold   = 8,
+	.rx_threshold   = 128,
+	.dma_burst_size = 8,
+	.timeout        = 235,
+	.gpio_cs        = ICONTROL_MCP251x_nCS2
+};
+
+static struct pxa2xx_spi_chip mcp251x_chip_info3 = {
+	.tx_threshold   = 8,
+	.rx_threshold   = 128,
+	.dma_burst_size = 8,
+	.timeout        = 235,
+	.gpio_cs        = ICONTROL_MCP251x_nCS3
+};
+
+static struct pxa2xx_spi_chip mcp251x_chip_info4 = {
+	.tx_threshold   = 8,
+	.rx_threshold   = 128,
+	.dma_burst_size = 8,
+	.timeout        = 235,
+	.gpio_cs        = ICONTROL_MCP251x_nCS4
+};
+
+static struct mcp251x_platform_data mcp251x_info = {
+	.oscillator_frequency = 16E6,
+	.model                = CAN_MCP251X_MCP2515,
+	.board_specific_setup = NULL,
+	.power_enable         = NULL,
+	.transceiver_enable   = NULL
+};
+
+static struct spi_board_info mcp251x_board_info[] = {
+	{
+		.modalias        = "mcp251x",
+		.max_speed_hz    = 6500000,
+		.bus_num         = 3,
+		.chip_select     = 0,
+		.platform_data   = &mcp251x_info,
+		.controller_data = &mcp251x_chip_info1,
+		.irq             = gpio_to_irq(ICONTROL_MCP251x_nIRQ1)
+	},
+	{
+		.modalias        = "mcp251x",
+		.max_speed_hz    = 6500000,
+		.bus_num         = 3,
+		.chip_select     = 1,
+		.platform_data   = &mcp251x_info,
+		.controller_data = &mcp251x_chip_info2,
+		.irq             = gpio_to_irq(ICONTROL_MCP251x_nIRQ2)
+	},
+	{
+		.modalias        = "mcp251x",
+		.max_speed_hz    = 6500000,
+		.bus_num         = 4,
+		.chip_select     = 0,
+		.platform_data   = &mcp251x_info,
+		.controller_data = &mcp251x_chip_info3,
+		.irq             = gpio_to_irq(ICONTROL_MCP251x_nIRQ3)
+	},
+	{
+		.modalias        = "mcp251x",
+		.max_speed_hz    = 6500000,
+		.bus_num         = 4,
+		.chip_select     = 1,
+		.platform_data   = &mcp251x_info,
+		.controller_data = &mcp251x_chip_info4,
+		.irq             = gpio_to_irq(ICONTROL_MCP251x_nIRQ4)
+	}
+};
+
+static struct pxa2xx_spi_master pxa_ssp3_spi_master_info = {
+	.clock_enable   = CKEN_SSP3,
+	.num_chipselect = 2,
+	.enable_dma     = 1
+};
+
+static struct pxa2xx_spi_master pxa_ssp4_spi_master_info = {
+	.clock_enable   = CKEN_SSP4,
+	.num_chipselect = 2,
+	.enable_dma     = 1
+};
+
+struct platform_device pxa_spi_ssp3 = {
+	.name          = "pxa2xx-spi",
+	.id            = 3,
+	.dev           = {
+		.platform_data = &pxa_ssp3_spi_master_info,
+	}
+};
+
+struct platform_device pxa_spi_ssp4 = {
+	.name          = "pxa2xx-spi",
+	.id            = 4,
+	.dev           = {
+		.platform_data = &pxa_ssp4_spi_master_info,
+	}
+};
+
+static struct platform_device *icontrol_spi_devices[] __initdata = {
+	&pxa_spi_ssp3,
+	&pxa_spi_ssp4,
+};
+
+static mfp_cfg_t mfp_can_cfg[] __initdata = {
+	/* CAN CS lines */
+	GPIO15_GPIO,
+	GPIO16_GPIO,
+	GPIO17_GPIO,
+	GPIO24_GPIO,
+
+	/* SPI (SSP3) lines */
+	GPIO89_SSP3_SCLK,
+	GPIO91_SSP3_TXD,
+	GPIO92_SSP3_RXD,
+
+	/* SPI (SSP4) lines */
+	GPIO93_SSP4_SCLK,
+	GPIO95_SSP4_TXD,
+	GPIO96_SSP4_RXD,
+
+	/* CAN nIRQ lines */
+	GPIO74_GPIO | MFP_LPM_EDGE_RISE,
+	GPIO75_GPIO | MFP_LPM_EDGE_RISE,
+	GPIO76_GPIO | MFP_LPM_EDGE_RISE,
+	GPIO77_GPIO | MFP_LPM_EDGE_RISE
+};
+
+static void __init icontrol_can_init(void)
+{
+	pxa3xx_mfp_config(ARRAY_AND_SIZE(mfp_can_cfg));
+	platform_add_devices(ARRAY_AND_SIZE(icontrol_spi_devices));
+	spi_register_board_info(ARRAY_AND_SIZE(mcp251x_board_info));
+}
+
+static void __init icontrol_init(void)
+{
+	mxm_8x10_barebones_init();
+	mxm_8x10_usb_host_init();
+	mxm_8x10_mmc_init();
+
+	icontrol_can_init();
+}
+
+MACHINE_START(ICONTROL, "iControl/SafeTcam boards using Embedian MXM-8x10 CoM")
+	.phys_io	= 0x40000000,
+	.boot_params	= 0xa0000100,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa3xx_init_irq,
+	.timer		= &pxa_timer,
+	.init_machine	= icontrol_init
+MACHINE_END
diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c
index 5c9e11d74f49..bc78c4dc0c66 100644
--- a/arch/arm/mach-pxa/idp.c
+++ b/arch/arm/mach-pxa/idp.c
@@ -47,25 +47,7 @@
 
 static unsigned long idp_pin_config[] __initdata = {
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
+	GPIOxx_LCD_DSTN_16BPP,
 
 	/* BTUART */
 	GPIO42_BTUART_RXD,
diff --git a/arch/arm/mach-pxa/imote2.c b/arch/arm/mach-pxa/imote2.c
index 5b0862df61ab..5161dca8ccc0 100644
--- a/arch/arm/mach-pxa/imote2.c
+++ b/arch/arm/mach-pxa/imote2.c
@@ -64,7 +64,6 @@ static unsigned long imote2_pin_config[] __initdata = {
 	GPIO116_GPIO,			/* CC_CCA */
 	GPIO0_GPIO,			/* CC_FIFOP */
 	GPIO16_GPIO,			/* CCSFD */
-	GPIO39_GPIO,			/* CSn */
 	GPIO115_GPIO,			/* Power enable */
 
 	/* I2C */
@@ -72,7 +71,7 @@ static unsigned long imote2_pin_config[] __initdata = {
 	GPIO118_I2C_SDA,
 
 	/* SSP 3 - 802.15.4 radio */
-	GPIO39_GPIO, 			/* Chip Select */
+	GPIO39_GPIO,			/* Chip Select */
 	GPIO34_SSP3_SCLK,
 	GPIO35_SSP3_TXD,
 	GPIO41_SSP3_RXD,
@@ -560,10 +559,6 @@ static void __init imote2_init(void)
 	pxa_set_btuart_info(NULL);
 	pxa_set_stuart_info(NULL);
 
-	/* SPI chip select directions - all other directions should
-	 * be handled by drivers.*/
-	gpio_direction_output(37, 0);
-
 	platform_add_devices(imote2_devices, ARRAY_SIZE(imote2_devices));
 
 	pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
diff --git a/arch/arm/mach-pxa/include/mach/balloon3.h b/arch/arm/mach-pxa/include/mach/balloon3.h
index bfec09b1814b..1a741065045f 100644
--- a/arch/arm/mach-pxa/include/mach/balloon3.h
+++ b/arch/arm/mach-pxa/include/mach/balloon3.h
@@ -129,6 +129,16 @@ enum balloon3_features {
 #define CPLD_AROUTING_LOONR2INT_BIT    6
 #define CPLD_AROUTING_LOONR2EXT_BIT    7
 
+/* Balloon3 Interrupts */
+#define BALLOON3_IRQ(x)		(IRQ_BOARD_START + (x))
+
+#define BALLOON3_BP_CF_NRDY_IRQ	BALLOON3_IRQ(0)
+#define BALLOON3_BP_NSTSCHG_IRQ	BALLOON3_IRQ(1)
+
+#define BALLOON3_AUX_NIRQ	IRQ_GPIO(BALLOON3_GPIO_AUX_NIRQ)
+#define BALLOON3_CODEC_IRQ	IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ)
+#define BALLOON3_S0_CD_IRQ	IRQ_GPIO(BALLOON3_GPIO_S0_CD)
+
 extern int balloon3_has(enum balloon3_features feature);
 
 #endif
diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h
index e741bf1bfb2d..7515757d6911 100644
--- a/arch/arm/mach-pxa/include/mach/hardware.h
+++ b/arch/arm/mach-pxa/include/mach/hardware.h
@@ -314,7 +314,6 @@ extern unsigned long get_clock_tick_rate(void);
 #define PCIBIOS_MIN_IO		0
 #define PCIBIOS_MIN_MEM		0
 #define pcibios_assign_all_busses()	1
-#define HAVE_ARCH_PCI_SET_DMA_MASK	1
 #endif
 
 
diff --git a/arch/arm/mach-pxa/include/mach/irqs.h b/arch/arm/mach-pxa/include/mach/irqs.h
index 3677a9af9c87..ffc8314520f2 100644
--- a/arch/arm/mach-pxa/include/mach/irqs.h
+++ b/arch/arm/mach-pxa/include/mach/irqs.h
@@ -135,82 +135,6 @@
 #define IRQ_BOARD_END		(IRQ_BOARD_START + 16)
 #endif
 
-#define IRQ_SA1111_START	(IRQ_BOARD_END)
-#define IRQ_GPAIN0		(IRQ_BOARD_END + 0)
-#define IRQ_GPAIN1		(IRQ_BOARD_END + 1)
-#define IRQ_GPAIN2		(IRQ_BOARD_END + 2)
-#define IRQ_GPAIN3		(IRQ_BOARD_END + 3)
-#define IRQ_GPBIN0		(IRQ_BOARD_END + 4)
-#define IRQ_GPBIN1		(IRQ_BOARD_END + 5)
-#define IRQ_GPBIN2		(IRQ_BOARD_END + 6)
-#define IRQ_GPBIN3		(IRQ_BOARD_END + 7)
-#define IRQ_GPBIN4		(IRQ_BOARD_END + 8)
-#define IRQ_GPBIN5		(IRQ_BOARD_END + 9)
-#define IRQ_GPCIN0		(IRQ_BOARD_END + 10)
-#define IRQ_GPCIN1		(IRQ_BOARD_END + 11)
-#define IRQ_GPCIN2		(IRQ_BOARD_END + 12)
-#define IRQ_GPCIN3		(IRQ_BOARD_END + 13)
-#define IRQ_GPCIN4		(IRQ_BOARD_END + 14)
-#define IRQ_GPCIN5		(IRQ_BOARD_END + 15)
-#define IRQ_GPCIN6		(IRQ_BOARD_END + 16)
-#define IRQ_GPCIN7		(IRQ_BOARD_END + 17)
-#define IRQ_MSTXINT		(IRQ_BOARD_END + 18)
-#define IRQ_MSRXINT		(IRQ_BOARD_END + 19)
-#define IRQ_MSSTOPERRINT	(IRQ_BOARD_END + 20)
-#define IRQ_TPTXINT		(IRQ_BOARD_END + 21)
-#define IRQ_TPRXINT		(IRQ_BOARD_END + 22)
-#define IRQ_TPSTOPERRINT	(IRQ_BOARD_END + 23)
-#define SSPXMTINT		(IRQ_BOARD_END + 24)
-#define SSPRCVINT		(IRQ_BOARD_END + 25)
-#define SSPROR			(IRQ_BOARD_END + 26)
-#define AUDXMTDMADONEA		(IRQ_BOARD_END + 32)
-#define AUDRCVDMADONEA		(IRQ_BOARD_END + 33)
-#define AUDXMTDMADONEB		(IRQ_BOARD_END + 34)
-#define AUDRCVDMADONEB		(IRQ_BOARD_END + 35)
-#define AUDTFSR			(IRQ_BOARD_END + 36)
-#define AUDRFSR			(IRQ_BOARD_END + 37)
-#define AUDTUR			(IRQ_BOARD_END + 38)
-#define AUDROR			(IRQ_BOARD_END + 39)
-#define AUDDTS			(IRQ_BOARD_END + 40)
-#define AUDRDD			(IRQ_BOARD_END + 41)
-#define AUDSTO			(IRQ_BOARD_END + 42)
-#define IRQ_USBPWR		(IRQ_BOARD_END + 43)
-#define IRQ_HCIM		(IRQ_BOARD_END + 44)
-#define IRQ_HCIBUFFACC		(IRQ_BOARD_END + 45)
-#define IRQ_HCIRMTWKP		(IRQ_BOARD_END + 46)
-#define IRQ_NHCIMFCIR		(IRQ_BOARD_END + 47)
-#define IRQ_USB_PORT_RESUME	(IRQ_BOARD_END + 48)
-#define IRQ_S0_READY_NINT	(IRQ_BOARD_END + 49)
-#define IRQ_S1_READY_NINT	(IRQ_BOARD_END + 50)
-#define IRQ_S0_CD_VALID		(IRQ_BOARD_END + 51)
-#define IRQ_S1_CD_VALID		(IRQ_BOARD_END + 52)
-#define IRQ_S0_BVD1_STSCHG	(IRQ_BOARD_END + 53)
-#define IRQ_S1_BVD1_STSCHG	(IRQ_BOARD_END + 54)
-
-#define IRQ_LOCOMO_START	(IRQ_BOARD_END)
-#define IRQ_LOCOMO_KEY		(IRQ_BOARD_END + 0)
-#define IRQ_LOCOMO_GPIO0	(IRQ_BOARD_END + 1)
-#define IRQ_LOCOMO_GPIO1	(IRQ_BOARD_END + 2)
-#define IRQ_LOCOMO_GPIO2	(IRQ_BOARD_END + 3)
-#define IRQ_LOCOMO_GPIO3	(IRQ_BOARD_END + 4)
-#define IRQ_LOCOMO_GPIO4	(IRQ_BOARD_END + 5)
-#define IRQ_LOCOMO_GPIO5	(IRQ_BOARD_END + 6)
-#define IRQ_LOCOMO_GPIO6	(IRQ_BOARD_END + 7)
-#define IRQ_LOCOMO_GPIO7	(IRQ_BOARD_END + 8)
-#define IRQ_LOCOMO_GPIO8	(IRQ_BOARD_END + 9)
-#define IRQ_LOCOMO_GPIO9	(IRQ_BOARD_END + 10)
-#define IRQ_LOCOMO_GPIO10	(IRQ_BOARD_END + 11)
-#define IRQ_LOCOMO_GPIO11	(IRQ_BOARD_END + 12)
-#define IRQ_LOCOMO_GPIO12	(IRQ_BOARD_END + 13)
-#define IRQ_LOCOMO_GPIO13	(IRQ_BOARD_END + 14)
-#define IRQ_LOCOMO_GPIO14	(IRQ_BOARD_END + 15)
-#define IRQ_LOCOMO_GPIO15	(IRQ_BOARD_END + 16)
-#define IRQ_LOCOMO_LT		(IRQ_BOARD_END + 17)
-#define IRQ_LOCOMO_SPI_RFR	(IRQ_BOARD_END + 18)
-#define IRQ_LOCOMO_SPI_RFW	(IRQ_BOARD_END + 19)
-#define IRQ_LOCOMO_SPI_OVRN	(IRQ_BOARD_END + 20)
-#define IRQ_LOCOMO_SPI_TEND	(IRQ_BOARD_END + 21)
-
 /*
  * Figure out the MAX IRQ number.
  *
@@ -219,89 +143,16 @@
  * Otherwise, we have the standard IRQs only.
  */
 #ifdef CONFIG_SA1111
-#define NR_IRQS			(IRQ_S1_BVD1_STSCHG + 1)
-#elif defined(CONFIG_SHARP_LOCOMO)
-#define NR_IRQS			(IRQ_LOCOMO_SPI_TEND + 1)
+#define NR_IRQS			(IRQ_BOARD_END + 55)
 #elif defined(CONFIG_PXA_HAVE_BOARD_IRQS)
 #define NR_IRQS			(IRQ_BOARD_END)
 #else
 #define NR_IRQS			(IRQ_BOARD_START)
 #endif
 
-/*
- * Board specific IRQs.  Define them here.
- * Do not surround them with ifdefs.
- */
-#define LUBBOCK_IRQ(x)		(IRQ_BOARD_START + (x))
-#define LUBBOCK_SD_IRQ		LUBBOCK_IRQ(0)
-#define LUBBOCK_SA1111_IRQ	LUBBOCK_IRQ(1)
-#define LUBBOCK_USB_IRQ		LUBBOCK_IRQ(2)  /* usb connect */
-#define LUBBOCK_ETH_IRQ		LUBBOCK_IRQ(3)
-#define LUBBOCK_UCB1400_IRQ	LUBBOCK_IRQ(4)
-#define LUBBOCK_BB_IRQ		LUBBOCK_IRQ(5)
-#define LUBBOCK_USB_DISC_IRQ	LUBBOCK_IRQ(6)  /* usb disconnect */
-#define LUBBOCK_LAST_IRQ	LUBBOCK_IRQ(6)
-
-#define LPD270_IRQ(x)		(IRQ_BOARD_START + (x))
-#define LPD270_USBC_IRQ		LPD270_IRQ(2)
-#define LPD270_ETHERNET_IRQ	LPD270_IRQ(3)
-#define LPD270_AC97_IRQ		LPD270_IRQ(4)
-
-#define MAINSTONE_IRQ(x)	(IRQ_BOARD_START + (x))
-#define MAINSTONE_MMC_IRQ	MAINSTONE_IRQ(0)
-#define MAINSTONE_USIM_IRQ	MAINSTONE_IRQ(1)
-#define MAINSTONE_USBC_IRQ	MAINSTONE_IRQ(2)
-#define MAINSTONE_ETHERNET_IRQ	MAINSTONE_IRQ(3)
-#define MAINSTONE_AC97_IRQ	MAINSTONE_IRQ(4)
-#define MAINSTONE_PEN_IRQ	MAINSTONE_IRQ(5)
-#define MAINSTONE_MSINS_IRQ	MAINSTONE_IRQ(6)
-#define MAINSTONE_EXBRD_IRQ	MAINSTONE_IRQ(7)
-#define MAINSTONE_S0_CD_IRQ	MAINSTONE_IRQ(9)
-#define MAINSTONE_S0_STSCHG_IRQ	MAINSTONE_IRQ(10)
-#define MAINSTONE_S0_IRQ	MAINSTONE_IRQ(11)
-#define MAINSTONE_S1_CD_IRQ	MAINSTONE_IRQ(13)
-#define MAINSTONE_S1_STSCHG_IRQ	MAINSTONE_IRQ(14)
-#define MAINSTONE_S1_IRQ	MAINSTONE_IRQ(15)
-
-/* Balloon3 Interrupts */
-#define BALLOON3_IRQ(x)		(IRQ_BOARD_START + (x))
-
-#define BALLOON3_BP_CF_NRDY_IRQ	BALLOON3_IRQ(0)
-#define BALLOON3_BP_NSTSCHG_IRQ	BALLOON3_IRQ(1)
-
-#define BALLOON3_AUX_NIRQ	IRQ_GPIO(BALLOON3_GPIO_AUX_NIRQ)
-#define BALLOON3_CODEC_IRQ	IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ)
-#define BALLOON3_S0_CD_IRQ	IRQ_GPIO(BALLOON3_GPIO_S0_CD)
-
-/* LoCoMo Interrupts (CONFIG_SHARP_LOCOMO) */
-#define IRQ_LOCOMO_KEY_BASE	(IRQ_BOARD_START + 0)
-#define IRQ_LOCOMO_GPIO_BASE	(IRQ_BOARD_START + 1)
-#define IRQ_LOCOMO_LT_BASE	(IRQ_BOARD_START + 2)
-#define IRQ_LOCOMO_SPI_BASE	(IRQ_BOARD_START + 3)
-
-/* phyCORE-PXA270 (PCM027) Interrupts */
-#define PCM027_IRQ(x)          (IRQ_BOARD_START + (x))
-#define PCM027_BTDET_IRQ       PCM027_IRQ(0)
-#define PCM027_FF_RI_IRQ       PCM027_IRQ(1)
-#define PCM027_MMCDET_IRQ      PCM027_IRQ(2)
-#define PCM027_PM_5V_IRQ       PCM027_IRQ(3)
-
-/* ITE8152 irqs */
 /* add IT8152 IRQs beyond BOARD_END */
 #ifdef CONFIG_PCI_HOST_ITE8152
-#define IT8152_IRQ(x)   (IRQ_BOARD_END + (x))
-
-/* IRQ-sources in 3 groups - local devices, LPC (serial), and external PCI */
-#define IT8152_LD_IRQ_COUNT     9
-#define IT8152_LP_IRQ_COUNT     16
-#define IT8152_PD_IRQ_COUNT     15
-
-/* Priorities: */
-#define IT8152_PD_IRQ(i)        IT8152_IRQ(i)
-#define IT8152_LP_IRQ(i)        (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT)
-#define IT8152_LD_IRQ(i)        (IT8152_IRQ(i) + IT8152_PD_IRQ_COUNT + IT8152_LP_IRQ_COUNT)
-
-#define IT8152_LAST_IRQ         IT8152_LD_IRQ(IT8152_LD_IRQ_COUNT - 1)
+#define IT8152_LAST_IRQ         (IRQ_BOARD_END + 40)
 
 #if NR_IRQS < (IT8152_LAST_IRQ+1)
 #undef NR_IRQS
diff --git a/arch/arm/mach-pxa/include/mach/lpd270.h b/arch/arm/mach-pxa/include/mach/lpd270.h
index f89fb715266b..0e6440c81683 100644
--- a/arch/arm/mach-pxa/include/mach/lpd270.h
+++ b/arch/arm/mach-pxa/include/mach/lpd270.h
@@ -34,5 +34,9 @@
 #define LPD270_INT_ETHERNET	(1 << 3)  /* Ethernet controller IRQ */
 #define LPD270_INT_USBC		(1 << 2)  /* USB client cable detection IRQ */
 
+#define LPD270_IRQ(x)		(IRQ_BOARD_START + (x))
+#define LPD270_USBC_IRQ		LPD270_IRQ(2)
+#define LPD270_ETHERNET_IRQ	LPD270_IRQ(3)
+#define LPD270_AC97_IRQ		LPD270_IRQ(4)
 
 #endif
diff --git a/arch/arm/mach-pxa/include/mach/lubbock.h b/arch/arm/mach-pxa/include/mach/lubbock.h
index 751b74811d0f..a0d4247f08fc 100644
--- a/arch/arm/mach-pxa/include/mach/lubbock.h
+++ b/arch/arm/mach-pxa/include/mach/lubbock.h
@@ -34,6 +34,17 @@
 #define LUB_IRQ_SET_CLR		__LUB_REG(LUBBOCK_FPGA_PHYS + 0x0d0)
 #define LUB_GP			__LUB_REG(LUBBOCK_FPGA_PHYS + 0x100)
 
+/* Board specific IRQs */
+#define LUBBOCK_IRQ(x)		(IRQ_BOARD_START + (x))
+#define LUBBOCK_SD_IRQ		LUBBOCK_IRQ(0)
+#define LUBBOCK_SA1111_IRQ	LUBBOCK_IRQ(1)
+#define LUBBOCK_USB_IRQ		LUBBOCK_IRQ(2)  /* usb connect */
+#define LUBBOCK_ETH_IRQ		LUBBOCK_IRQ(3)
+#define LUBBOCK_UCB1400_IRQ	LUBBOCK_IRQ(4)
+#define LUBBOCK_BB_IRQ		LUBBOCK_IRQ(5)
+#define LUBBOCK_USB_DISC_IRQ	LUBBOCK_IRQ(6)  /* usb disconnect */
+#define LUBBOCK_LAST_IRQ	LUBBOCK_IRQ(6)
+
 #ifndef __ASSEMBLY__
 extern void lubbock_set_misc_wr(unsigned int mask, unsigned int set);
 #endif
diff --git a/arch/arm/mach-pxa/include/mach/mainstone.h b/arch/arm/mach-pxa/include/mach/mainstone.h
index 3461c4302ff4..86e623abd64d 100644
--- a/arch/arm/mach-pxa/include/mach/mainstone.h
+++ b/arch/arm/mach-pxa/include/mach/mainstone.h
@@ -117,4 +117,21 @@
 #define MST_PCMCIA_PWR_VCC_33   0x8	   /* voltage VCC = 3.3V */
 #define MST_PCMCIA_PWR_VCC_50   0x4	   /* voltage VCC = 5.0V */
 
+/* board specific IRQs */
+#define MAINSTONE_IRQ(x)	(IRQ_BOARD_START + (x))
+#define MAINSTONE_MMC_IRQ	MAINSTONE_IRQ(0)
+#define MAINSTONE_USIM_IRQ	MAINSTONE_IRQ(1)
+#define MAINSTONE_USBC_IRQ	MAINSTONE_IRQ(2)
+#define MAINSTONE_ETHERNET_IRQ	MAINSTONE_IRQ(3)
+#define MAINSTONE_AC97_IRQ	MAINSTONE_IRQ(4)
+#define MAINSTONE_PEN_IRQ	MAINSTONE_IRQ(5)
+#define MAINSTONE_MSINS_IRQ	MAINSTONE_IRQ(6)
+#define MAINSTONE_EXBRD_IRQ	MAINSTONE_IRQ(7)
+#define MAINSTONE_S0_CD_IRQ	MAINSTONE_IRQ(9)
+#define MAINSTONE_S0_STSCHG_IRQ	MAINSTONE_IRQ(10)
+#define MAINSTONE_S0_IRQ	MAINSTONE_IRQ(11)
+#define MAINSTONE_S1_CD_IRQ	MAINSTONE_IRQ(13)
+#define MAINSTONE_S1_STSCHG_IRQ	MAINSTONE_IRQ(14)
+#define MAINSTONE_S1_IRQ	MAINSTONE_IRQ(15)
+
 #endif
diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa25x.h b/arch/arm/mach-pxa/include/mach/mfp-pxa25x.h
index 9c787855cf24..cafadc33dfd8 100644
--- a/arch/arm/mach-pxa/include/mach/mfp-pxa25x.h
+++ b/arch/arm/mach-pxa/include/mach/mfp-pxa25x.h
@@ -190,4 +190,36 @@
 #define GPIO89_AC97_nRESET	MFP_CFG_OUT(GPIO89, AF0, DRIVE_HIGH)
 #endif	/* CONFIG_CPU_PXA26x */
 
+/* commonly used pin configurations */
+#define GPIOxx_LCD_16BPP	\
+	GPIO58_LCD_LDD_0,	\
+	GPIO59_LCD_LDD_1,	\
+	GPIO60_LCD_LDD_2,	\
+	GPIO61_LCD_LDD_3,	\
+	GPIO62_LCD_LDD_4,	\
+	GPIO63_LCD_LDD_5,	\
+	GPIO64_LCD_LDD_6,	\
+	GPIO65_LCD_LDD_7,	\
+	GPIO66_LCD_LDD_8,	\
+	GPIO67_LCD_LDD_9,	\
+	GPIO68_LCD_LDD_10,	\
+	GPIO69_LCD_LDD_11,	\
+	GPIO70_LCD_LDD_12,	\
+	GPIO71_LCD_LDD_13,	\
+	GPIO72_LCD_LDD_14,	\
+	GPIO73_LCD_LDD_15
+
+#define GPIOxx_LCD_DSTN_16BPP	\
+	GPIOxx_LCD_16BPP,	\
+	GPIO74_LCD_FCLK,	\
+	GPIO75_LCD_LCLK,	\
+	GPIO76_LCD_PCLK
+
+#define GPIOxx_LCD_TFT_16BPP	\
+	GPIOxx_LCD_16BPP,	\
+	GPIO74_LCD_FCLK,	\
+	GPIO75_LCD_LCLK,	\
+	GPIO76_LCD_PCLK,	\
+	GPIO77_LCD_BIAS
+
 #endif /* __ASM_ARCH_MFP_PXA25X_H */
diff --git a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
index 6543c05f47ed..ec0f0b0b6744 100644
--- a/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
+++ b/arch/arm/mach-pxa/include/mach/mfp-pxa27x.h
@@ -434,5 +434,32 @@
 #define GPIO112_nMSINS		MFP_CFG_IN(GPIO112, AF2)
 #define GPIO32_MSSCLK		MFP_CFG_OUT(GPIO32, AF1, DRIVE_LOW)
 
+/* commonly used pin configurations */
+#define GPIOxx_LCD_16BPP	\
+	GPIO58_LCD_LDD_0,	\
+	GPIO59_LCD_LDD_1,	\
+	GPIO60_LCD_LDD_2,	\
+	GPIO61_LCD_LDD_3,	\
+	GPIO62_LCD_LDD_4,	\
+	GPIO63_LCD_LDD_5,	\
+	GPIO64_LCD_LDD_6,	\
+	GPIO65_LCD_LDD_7,	\
+	GPIO66_LCD_LDD_8,	\
+	GPIO67_LCD_LDD_9,	\
+	GPIO68_LCD_LDD_10,	\
+	GPIO69_LCD_LDD_11,	\
+	GPIO70_LCD_LDD_12,	\
+	GPIO71_LCD_LDD_13,	\
+	GPIO72_LCD_LDD_14,	\
+	GPIO73_LCD_LDD_15
+
+#define GPIOxx_LCD_TFT_16BPP	\
+	GPIOxx_LCD_16BPP,	\
+	GPIO74_LCD_FCLK,	\
+	GPIO75_LCD_LCLK,	\
+	GPIO76_LCD_PCLK,	\
+	GPIO77_LCD_BIAS
+
+
 extern int keypad_set_wake(unsigned int on);
 #endif /* __ASM_ARCH_MFP_PXA27X_H */
diff --git a/arch/arm/mach-pxa/include/mach/mxm8x10.h b/arch/arm/mach-pxa/include/mach/mxm8x10.h
new file mode 100644
index 000000000000..ffa15665a418
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/mxm8x10.h
@@ -0,0 +1,21 @@
+#ifndef __MACH_MXM_8X10_H
+#define __MACH_MXM_8X10_H
+
+#define MXM_8X10_ETH_PHYS	0x13000000
+
+#if defined(CONFIG_MMC)
+
+#define MXM_8X10_SD_nCD (72)
+#define MXM_8X10_SD_WP (84)
+
+extern void mxm_8x10_mmc_init(void);
+#else
+static inline void mxm_8x10_mmc_init(void) {}
+#endif
+
+extern void mxm_8x10_usb_host_init(void);
+extern void mxm_8x10_ac97_init(void);
+
+extern void mxm_8x10_barebones_init(void);
+
+#endif /* __MACH_MXM_8X10_H */
diff --git a/arch/arm/mach-pxa/include/mach/pcm027.h b/arch/arm/mach-pxa/include/mach/pcm027.h
index 4dcd2e8baa61..04083263167e 100644
--- a/arch/arm/mach-pxa/include/mach/pcm027.h
+++ b/arch/arm/mach-pxa/include/mach/pcm027.h
@@ -23,6 +23,13 @@
  * Definitions of CPU card resources only
  */
 
+/* phyCORE-PXA270 (PCM027) Interrupts */
+#define PCM027_IRQ(x)          (IRQ_BOARD_START + (x))
+#define PCM027_BTDET_IRQ       PCM027_IRQ(0)
+#define PCM027_FF_RI_IRQ       PCM027_IRQ(1)
+#define PCM027_MMCDET_IRQ      PCM027_IRQ(2)
+#define PCM027_PM_5V_IRQ       PCM027_IRQ(3)
+
 /* I2C RTC */
 #define PCM027_RTC_IRQ_GPIO	0
 #define PCM027_RTC_IRQ		IRQ_GPIO(PCM027_RTC_IRQ_GPIO)
diff --git a/arch/arm/mach-pxa/include/mach/ssp.h b/arch/arm/mach-pxa/include/mach/ssp.h
index cb5cb766f0f1..be1be5b6db51 100644
--- a/arch/arm/mach-pxa/include/mach/ssp.h
+++ b/arch/arm/mach-pxa/include/mach/ssp.h
@@ -46,6 +46,7 @@ struct ssp_device {
 	int		drcmr_tx;
 };
 
+#ifdef CONFIG_PXA_SSP_LEGACY
 /*
  * SSP initialisation flags
  */
@@ -78,6 +79,7 @@ void ssp_restore_state(struct ssp_dev *dev, struct ssp_state *ssp);
 int ssp_init(struct ssp_dev *dev, u32 port, u32 init_flags);
 int ssp_config(struct ssp_dev *dev, u32 mode, u32 flags, u32 psp_flags, u32 speed);
 void ssp_exit(struct ssp_dev *dev);
+#endif /* CONFIG_PXA_SSP_LEGACY */
 
 /**
  * ssp_write_reg - Write to a SSP register
diff --git a/arch/arm/mach-pxa/include/mach/uncompress.h b/arch/arm/mach-pxa/include/mach/uncompress.h
index 237734b5b1be..759b851ec985 100644
--- a/arch/arm/mach-pxa/include/mach/uncompress.h
+++ b/arch/arm/mach-pxa/include/mach/uncompress.h
@@ -10,20 +10,41 @@
  */
 
 #include <linux/serial_reg.h>
-#include <mach/regs-uart.h>
 #include <asm/mach-types.h>
 
-#define __REG(x)       ((volatile unsigned long *)x)
+#define FFUART_BASE	(0x40100000)
+#define BTUART_BASE	(0x40200000)
+#define STUART_BASE	(0x40700000)
 
-static volatile unsigned long *UART = FFUART;
+static unsigned long uart_base;
+static unsigned int uart_shift;
+static unsigned int uart_is_pxa;
+
+static inline unsigned char uart_read(int offset)
+{
+	return *(volatile unsigned char *)(uart_base + (offset << uart_shift));
+}
+
+static inline void uart_write(unsigned char val, int offset)
+{
+	*(volatile unsigned char *)(uart_base + (offset << uart_shift)) = val;
+}
+
+static inline int uart_is_enabled(void)
+{
+	/* assume enabled by default for non-PXA uarts */
+	return uart_is_pxa ? uart_read(UART_IER) & UART_IER_UUE : 1;
+}
 
 static inline void putc(char c)
 {
-	if (!(UART[UART_IER] & IER_UUE))
+	if (!uart_is_enabled())
 		return;
-	while (!(UART[UART_LSR] & LSR_TDRQ))
+
+	while (!(uart_read(UART_LSR) & UART_LSR_THRE))
 		barrier();
-	UART[UART_TX] = c;
+
+	uart_write(c, UART_TX);
 }
 
 /*
@@ -35,10 +56,21 @@ static inline void flush(void)
 
 static inline void arch_decomp_setup(void)
 {
+	/* initialize to default */
+	uart_base = FFUART_BASE;
+	uart_shift = 2;
+	uart_is_pxa = 1;
+
 	if (machine_is_littleton() || machine_is_intelmote2()
 	    || machine_is_csb726() || machine_is_stargate2()
 	    || machine_is_cm_x300() || machine_is_balloon3())
-		UART = STUART;
+		uart_base = STUART_BASE;
+
+	if (machine_is_arcom_zeus()) {
+		uart_base = 0x10000000;	/* nCS4 */
+		uart_shift = 1;
+		uart_is_pxa = 0;
+	}
 }
 
 /*
diff --git a/arch/arm/mach-pxa/include/mach/zeus.h b/arch/arm/mach-pxa/include/mach/zeus.h
index c387046d2f28..6e119976003e 100644
--- a/arch/arm/mach-pxa/include/mach/zeus.h
+++ b/arch/arm/mach-pxa/include/mach/zeus.h
@@ -58,6 +58,8 @@
 #define ZEUS_EXT1_GPIO(x)	(ZEUS_EXT1_GPIO_BASE + (x))
 #define ZEUS_USER_GPIO(x)	(ZEUS_USER_GPIO_BASE + (x))
 
+#define	ZEUS_CAN_SHDN_GPIO	ZEUS_EXT1_GPIO(2)
+
 /*
  * CPLD registers:
  * Only 4 registers, but spreaded over a 32MB address space.
@@ -68,7 +70,6 @@
 #define ZEUS_CPLD_VERSION	(ZEUS_CPLD + 0x0000)
 #define ZEUS_CPLD_ISA_IRQ	(ZEUS_CPLD + 0x1000)
 #define ZEUS_CPLD_CONTROL	(ZEUS_CPLD + 0x2000)
-#define ZEUS_CPLD_EXTWDOG	(ZEUS_CPLD + 0x3000)
 
 /* CPLD register bits */
 #define ZEUS_CPLD_CONTROL_CF_RST        0x01
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index 1373c22dbb83..d279507fc748 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -83,6 +83,10 @@ static unsigned long lpd270_pin_config[] __initdata = {
 	GPIO89_USBH1_PEN,
 
 	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
 	GPIO45_AC97_SYSCLK,
 
 	GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
@@ -121,7 +125,7 @@ static void lpd270_irq_handler(unsigned int irq, struct irq_desc *desc)
 
 	pending = __raw_readw(LPD270_INT_STATUS) & lpd270_irq_enabled;
 	do {
-		GEDR(0) = GPIO_bit(0);  /* clear useless edge notification */
+		desc->chip->ack(irq);	/* clear useless edge notification */
 		if (likely(pending)) {
 			irq = LPD270_IRQ(0) + __ffs(pending);
 			generic_handle_irq(irq);
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 98ee7e590299..63d65a2a0387 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -66,26 +66,14 @@ static unsigned long lubbock_pin_config[] __initdata = {
 	GPIO25_SSP1_TXD,
 	GPIO26_SSP1_RXD,
 
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+
 	/* LCD - 16bpp DSTN */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
+	GPIOxx_LCD_DSTN_16BPP,
 
 	/* BTUART */
 	GPIO42_BTUART_RXD,
@@ -158,7 +146,7 @@ static void lubbock_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned long pending = LUB_IRQ_SET_CLR & lubbock_irq_enabled;
 	do {
-		GEDR(0) = GPIO_bit(0);	/* clear our parent irq */
+		desc->chip->ack(irq);	/* clear our parent irq */
 		if (likely(pending)) {
 			irq = LUBBOCK_IRQ(0) + __ffs(pending);
 			generic_handle_irq(irq);
@@ -240,11 +228,18 @@ static struct resource sa1111_resources[] = {
 	},
 };
 
+static struct sa1111_platform_data sa1111_info = {
+	.irq_base	= IRQ_BOARD_END,
+};
+
 static struct platform_device sa1111_device = {
 	.name		= "sa1111",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(sa1111_resources),
 	.resource	= sa1111_resources,
+	.dev		= {
+		.platform_data	= &sa1111_info,
+	},
 };
 
 /* ADS7846 is connected through SSP ... and if your board has J5 populated,
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 189f330719a2..e81dd0c8e40d 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -88,26 +88,7 @@ static unsigned long magician_pin_config[] __initdata = {
 	GPIO112_MMC_CMD,
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* QCI */
 	GPIO12_CIF_DD_7,
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 851ee0fc32e2..5543c64da9ef 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -60,26 +60,7 @@ static unsigned long mainstone_pin_config[] = {
 	GPIO15_nCS_1,
 
 	/* LCD - 16bpp Active TFT */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 	GPIO16_PWM0_OUT,	/* Backlight */
 
 	/* MMC */
@@ -107,6 +88,10 @@ static unsigned long mainstone_pin_config[] = {
 	GPIO57_nIOIS16,
 
 	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
 	GPIO45_AC97_SYSCLK,
 
 	/* Keypad */
@@ -162,7 +147,7 @@ static void mainstone_irq_handler(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned long pending = MST_INTSETCLR & mainstone_irq_enabled;
 	do {
-		GEDR(0) = GPIO_bit(0);  /* clear useless edge notification */
+		desc->chip->ack(irq);	/* clear useless edge notification */
 		if (likely(pending)) {
 			irq = MAINSTONE_IRQ(0) + __ffs(pending);
 			generic_handle_irq(irq);
diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c
index 2466a44d8fda..843fcca76e26 100644
--- a/arch/arm/mach-pxa/mioa701.c
+++ b/arch/arm/mach-pxa/mioa701.c
@@ -86,25 +86,7 @@ static unsigned long mioa701_pin_config[] = {
 	MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW),
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* QCI */
 	GPIO12_CIF_DD_7,
@@ -155,6 +137,10 @@ static unsigned long mioa701_pin_config[] = {
 	GPIO41_FFUART_RTS,
 
 	/* Sound */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
 	GPIO89_AC97_SYSCLK,
 	MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0),
 
diff --git a/arch/arm/mach-pxa/mxm8x10.c b/arch/arm/mach-pxa/mxm8x10.c
new file mode 100644
index 000000000000..8c9c6f0d56bb
--- /dev/null
+++ b/arch/arm/mach-pxa/mxm8x10.c
@@ -0,0 +1,474 @@
+/*
+ * linux/arch/arm/mach-pxa/mxm8x10.c
+ *
+ * Support for the Embedian MXM-8x10 Computer on Module
+ *
+ * Copyright (C) 2006 Marvell International Ltd.
+ * Copyright (C) 2009 Embedian Inc.
+ * Copyright (C) 2009 TMT Services & Supplies (Pty) Ltd.
+ *
+ * 2007-09-04: eric miao <eric.y.miao@gmail.com>
+ *             rewrite to align with latest kernel
+ *
+ * 2010-01-09: Edwin Peer <epeer@tmtservices.co.za>
+ * 	       Hennie van der Merwe <hvdmerwe@tmtservices.co.za>
+ *             rework for upstream merge
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/serial_8250.h>
+#include <linux/dm9000.h>
+#include <linux/gpio.h>
+
+#include <plat/i2c.h>
+#include <plat/pxa3xx_nand.h>
+
+#include <mach/pxafb.h>
+#include <mach/mmc.h>
+#include <mach/ohci.h>
+#include <mach/pxa320.h>
+
+#include <mach/mxm8x10.h>
+
+#include "devices.h"
+#include "generic.h"
+
+/* GPIO pin definition
+
+External device stuff   - Leave unconfigured for now...
+---------------------
+GPIO0   -   DREQ    (External DMA Request)
+GPIO3   -   nGCS2   (External Chip Select) Where is nGCS0; nGCS1; nGCS4; nGCS5 ?
+GPIO4   -   nGCS3
+GPIO15  -   EXT_GPIO1
+GPIO16  -   EXT_GPIO2
+GPIO17  -   EXT_GPIO3
+GPIO24  -   EXT_GPIO4
+GPIO25  -   EXT_GPIO5
+GPIO26  -   EXT_GPIO6
+GPIO27  -   EXT_GPIO7
+GPIO28  -   EXT_GPIO8
+GPIO29  -   EXT_GPIO9
+GPIO30  -   EXT_GPIO10
+GPIO31  -   EXT_GPIO11
+GPIO57  -   EXT_GPIO12
+GPIO74  -   EXT_IRQ1
+GPIO75  -   EXT_IRQ2
+GPIO76  -   EXT_IRQ3
+GPIO77  -   EXT_IRQ4
+GPIO78  -   EXT_IRQ5
+GPIO79  -   EXT_IRQ6
+GPIO80  -   EXT_IRQ7
+GPIO81  -   EXT_IRQ8
+GPIO87  -   VCCIO_PWREN (External Device PWREN)
+
+Dallas 1-Wire   - Leave unconfigured for now...
+-------------
+GPIO0_2 -   DS - 1Wire
+
+Ethernet
+--------
+GPIO1   -   DM9000 PWR
+GPIO9   -   DM9K_nIRQ
+GPIO36  -   DM9K_RESET
+
+Keypad  - Leave unconfigured by for now...
+------
+GPIO1_2 -   KP_DKIN0
+GPIO5_2 -   KP_MKOUT7
+GPIO82  -   KP_DKIN1
+GPIO85  -   KP_DKIN2
+GPIO86  -   KP_DKIN3
+GPIO113 -   KP_MKIN0
+GPIO114 -   KP_MKIN1
+GPIO115 -   KP_MKIN2
+GPIO116 -   KP_MKIN3
+GPIO117 -   KP_MKIN4
+GPIO118 -   KP_MKIN5
+GPIO119 -   KP_MKIN6
+GPIO120 -   KP_MKIN7
+GPIO121 -   KP_MKOUT0
+GPIO122 -   KP_MKOUT1
+GPIO122 -   KP_MKOUT2
+GPIO123 -   KP_MKOUT3
+GPIO124 -   KP_MKOUT4
+GPIO125 -   KP_MKOUT5
+GPIO127 -   KP_MKOUT6
+
+Data Bus    - Leave unconfigured for now...
+--------
+GPIO2   -   nWait (Data Bus)
+
+USB Device
+----------
+GPIO4_2 -   USBD_PULLUP
+GPIO10  -   UTM_CLK (USB Device UTM Clk)
+GPIO49  -   USB 2.0 Device UTM_DATA0
+GPIO50  -   USB 2.0 Device UTM_DATA1
+GPIO51  -   USB 2.0 Device UTM_DATA2
+GPIO52  -   USB 2.0 Device UTM_DATA3
+GPIO53  -   USB 2.0 Device UTM_DATA4
+GPIO54  -   USB 2.0 Device UTM_DATA5
+GPIO55  -   USB 2.0 Device UTM_DATA6
+GPIO56  -   USB 2.0 Device UTM_DATA7
+GPIO58  -   UTM_RXVALID (USB 2.0 Device)
+GPIO59  -   UTM_RXACTIVE (USB 2.0 Device)
+GPIO60  -   UTM_RXERROR
+GPIO61  -   UTM_OPMODE0
+GPIO62  -   UTM_OPMODE1
+GPIO71  -   USBD_INT    (USB Device?)
+GPIO73  -   UTM_TXREADY (USB 2.0 Device)
+GPIO83  -   UTM_TXVALID (USB 2.0 Device)
+GPIO98  -   UTM_RESET   (USB 2.0 device)
+GPIO99  -   UTM_XCVR_SELECT
+GPIO100 -   UTM_TERM_SELECT
+GPIO101 -   UTM_SUSPENDM_X
+GPIO102 -   UTM_LINESTATE0
+GPIO103 -   UTM_LINESTATE1
+
+Card-Bus Interface  - Leave unconfigured for now...
+------------------
+GPIO5   -   nPIOR (I/O space output enable)
+GPIO6   -   nPIOW (I/O space write enable)
+GPIO7   -   nIOS16 (Input from I/O space telling size of data bus)
+GPIO8   -   nPWAIT (Input for inserting wait states)
+
+LCD
+---
+GPIO6_2     -   LDD0
+GPIO7_2     -   LDD1
+GPIO8_2     -   LDD2
+GPIO9_2     -   LDD3
+GPIO11_2    -   LDD5
+GPIO12_2    -   LDD6
+GPIO13_2    -   LDD7
+GPIO14_2    -   VSYNC
+GPIO15_2    -   HSYNC
+GPIO16_2    -   VCLK
+GPIO17_2    -   HCLK
+GPIO18_2    -   VDEN
+GPIO63      -   LDD8    (CPU LCD)
+GPIO64      -   LDD9    (CPU LCD)
+GPIO65      -   LDD10   (CPU LCD)
+GPIO66      -   LDD11   (CPU LCD)
+GPIO67      -   LDD12   (CPU LCD)
+GPIO68      -   LDD13   (CPU LCD)
+GPIO69      -   LDD14   (CPU LCD)
+GPIO70      -   LDD15   (CPU LCD)
+GPIO88      -   VCCLCD_PWREN (LCD Panel PWREN)
+GPIO97      -   BACKLIGHT_EN
+GPIO104     -   LCD_PWREN
+
+PWM   - Leave unconfigured for now...
+---
+GPIO11  -   PWM0
+GPIO12  -   PWM1
+GPIO13  -   PWM2
+GPIO14  -   PWM3
+
+SD-CARD
+-------
+GPIO18  -   SDDATA0
+GPIO19  -   SDDATA1
+GPIO20  -   SDDATA2
+GPIO21  -   SDDATA3
+GPIO22  -   SDCLK
+GPIO23  -   SDCMD
+GPIO72  -   SD_WP
+GPIO84  -   SD_nIRQ_CD  (SD-Card)
+
+I2C
+---
+GPIO32  -   I2CSCL
+GPIO33  -   I2CSDA
+
+AC97
+----
+GPIO35  -   AC97_SDATA_IN
+GPIO37  -   AC97_SDATA_OUT
+GPIO38  -   AC97_SYNC
+GPIO39  -   AC97_BITCLK
+GPIO40  -   AC97_nRESET
+
+UART1
+-----
+GPIO41  -   UART_RXD1
+GPIO42  -   UART_TXD1
+GPIO43  -   UART_CTS1
+GPIO44  -   UART_DCD1
+GPIO45  -   UART_DSR1
+GPIO46  -   UART_nRI1
+GPIO47  -   UART_DTR1
+GPIO48  -   UART_RTS1
+
+UART2
+-----
+GPIO109 -   RTS2
+GPIO110 -   RXD2
+GPIO111 -   TXD2
+GPIO112 -   nCTS2
+
+UART3
+-----
+GPIO105 -   nCTS3
+GPIO106 -   nRTS3
+GPIO107 -   TXD3
+GPIO108 -   RXD3
+
+SSP3    - Leave unconfigured for now...
+----
+GPIO89  -   SSP3_CLK
+GPIO90  -   SSP3_SFRM
+GPIO91  -   SSP3_TXD
+GPIO92  -   SSP3_RXD
+
+SSP4
+GPIO93  -   SSP4_CLK
+GPIO94  -   SSP4_SFRM
+GPIO95  -   SSP4_TXD
+GPIO96  -   SSP4_RXD
+*/
+
+static mfp_cfg_t mfp_cfg[] __initdata = {
+	/* USB */
+	GPIO10_UTM_CLK,
+	GPIO49_U2D_PHYDATA_0,
+	GPIO50_U2D_PHYDATA_1,
+	GPIO51_U2D_PHYDATA_2,
+	GPIO52_U2D_PHYDATA_3,
+	GPIO53_U2D_PHYDATA_4,
+	GPIO54_U2D_PHYDATA_5,
+	GPIO55_U2D_PHYDATA_6,
+	GPIO56_U2D_PHYDATA_7,
+	GPIO58_UTM_RXVALID,
+	GPIO59_UTM_RXACTIVE,
+	GPIO60_U2D_RXERROR,
+	GPIO61_U2D_OPMODE0,
+	GPIO62_U2D_OPMODE1,
+	GPIO71_GPIO, /* USBD_INT */
+	GPIO73_UTM_TXREADY,
+	GPIO83_U2D_TXVALID,
+	GPIO98_U2D_RESET,
+	GPIO99_U2D_XCVR_SEL,
+	GPIO100_U2D_TERM_SEL,
+	GPIO101_U2D_SUSPEND,
+	GPIO102_UTM_LINESTATE_0,
+	GPIO103_UTM_LINESTATE_1,
+	GPIO4_2_GPIO | MFP_PULL_HIGH, /* UTM_PULLUP */
+
+	/* DM9000 */
+	GPIO1_GPIO,
+	GPIO9_GPIO,
+	GPIO36_GPIO,
+
+	/* AC97 */
+	GPIO35_AC97_SDATA_IN_0,
+	GPIO37_AC97_SDATA_OUT,
+	GPIO38_AC97_SYNC,
+	GPIO39_AC97_BITCLK,
+	GPIO40_AC97_nACRESET,
+
+	/* UARTS */
+	GPIO41_UART1_RXD,
+	GPIO42_UART1_TXD,
+	GPIO43_UART1_CTS,
+	GPIO44_UART1_DCD,
+	GPIO45_UART1_DSR,
+	GPIO46_UART1_RI,
+	GPIO47_UART1_DTR,
+	GPIO48_UART1_RTS,
+
+	GPIO109_UART2_RTS,
+	GPIO110_UART2_RXD,
+	GPIO111_UART2_TXD,
+	GPIO112_UART2_CTS,
+
+	GPIO105_UART3_CTS,
+	GPIO106_UART3_RTS,
+	GPIO107_UART3_TXD,
+	GPIO108_UART3_RXD,
+
+	GPIO78_GPIO,
+	GPIO79_GPIO,
+	GPIO80_GPIO,
+	GPIO81_GPIO,
+
+	/* I2C */
+	GPIO32_I2C_SCL,
+	GPIO33_I2C_SDA,
+
+	/* MMC */
+	GPIO18_MMC1_DAT0,
+	GPIO19_MMC1_DAT1,
+	GPIO20_MMC1_DAT2,
+	GPIO21_MMC1_DAT3,
+	GPIO22_MMC1_CLK,
+	GPIO23_MMC1_CMD,
+	GPIO72_GPIO | MFP_PULL_HIGH, /* Card Detect */
+	GPIO84_GPIO | MFP_PULL_LOW, /* Write Protect */
+
+	/* IRQ */
+	GPIO74_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ1 */
+	GPIO75_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ2 */
+	GPIO76_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ3 */
+	GPIO77_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ4 */
+	GPIO78_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ5 */
+	GPIO79_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ6 */
+	GPIO80_GPIO | MFP_LPM_EDGE_RISE, /* EXT_IRQ7 */
+	GPIO81_GPIO | MFP_LPM_EDGE_RISE  /* EXT_IRQ8 */
+};
+
+/* MMC/MCI Support */
+#if defined(CONFIG_MMC)
+static struct pxamci_platform_data mxm_8x10_mci_platform_data = {
+	.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
+	.detect_delay = 1,
+	.gpio_card_detect = MXM_8X10_SD_nCD,
+	.gpio_card_ro = MXM_8X10_SD_WP,
+	.gpio_power = -1
+};
+
+void __init mxm_8x10_mmc_init(void)
+{
+	pxa_set_mci_info(&mxm_8x10_mci_platform_data);
+}
+#endif
+
+/* USB Open Host Controler Interface */
+static struct pxaohci_platform_data mxm_8x10_ohci_platform_data = {
+	.port_mode = PMM_NPS_MODE,
+	.flags = ENABLE_PORT_ALL
+};
+
+void __init mxm_8x10_usb_host_init(void)
+{
+	pxa_set_ohci_info(&mxm_8x10_ohci_platform_data);
+}
+
+/* AC97 Sound Support */
+static struct platform_device mxm_8x10_ac97_device = {
+	.name = "pxa2xx-ac97"
+};
+
+void __init mxm_8x10_ac97_init(void)
+{
+	platform_device_register(&mxm_8x10_ac97_device);
+}
+
+/* NAND flash Support */
+#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
+#define NAND_BLOCK_SIZE SZ_128K
+#define NB(x)           (NAND_BLOCK_SIZE * (x))
+static struct mtd_partition mxm_8x10_nand_partitions[] = {
+	[0] = {
+	       .name = "boot",
+	       .size = NB(0x002),
+	       .offset = NB(0x000),
+	       .mask_flags = MTD_WRITEABLE
+	},
+	[1] = {
+	       .name = "kernel",
+	       .size = NB(0x010),
+	       .offset = NB(0x002),
+	       .mask_flags = MTD_WRITEABLE
+	},
+	[2] = {
+	       .name = "root",
+	       .size = NB(0x36c),
+	       .offset = NB(0x012)
+	},
+	[3] = {
+	       .name = "bbt",
+	       .size = NB(0x082),
+	       .offset = NB(0x37e),
+	       .mask_flags = MTD_WRITEABLE
+	}
+};
+
+static struct pxa3xx_nand_platform_data mxm_8x10_nand_info = {
+	.enable_arbiter = 1,
+	.keep_config = 1,
+	.parts = mxm_8x10_nand_partitions,
+	.nr_parts = ARRAY_SIZE(mxm_8x10_nand_partitions)
+};
+
+static void __init mxm_8x10_nand_init(void)
+{
+	pxa3xx_set_nand_info(&mxm_8x10_nand_info);
+}
+#else
+static inline void mxm_8x10_nand_init(void) {}
+#endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
+
+/* Ethernet support: Davicom DM9000 */
+static struct resource dm9k_resources[] = {
+	[0] = {
+	       .start = MXM_8X10_ETH_PHYS + 0x300,
+	       .end = MXM_8X10_ETH_PHYS + 0x300,
+	       .flags = IORESOURCE_MEM
+	},
+	[1] = {
+	       .start = MXM_8X10_ETH_PHYS + 0x308,
+	       .end = MXM_8X10_ETH_PHYS + 0x308,
+	       .flags = IORESOURCE_MEM
+	},
+	[2] = {
+	       .start = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO9)),
+	       .end = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO9)),
+	       .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE
+	}
+};
+
+static struct dm9000_plat_data dm9k_plat_data = {
+	.flags = DM9000_PLATF_16BITONLY
+};
+
+static struct platform_device dm9k_device = {
+	.name = "dm9000",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(dm9k_resources),
+	.resource = dm9k_resources,
+	.dev = {
+		.platform_data = &dm9k_plat_data
+	}
+};
+
+static void __init mxm_8x10_ethernet_init(void)
+{
+	platform_device_register(&dm9k_device);
+}
+
+/* PXA UARTs */
+static void __init mxm_8x10_uarts_init(void)
+{
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+}
+
+/* I2C and Real Time Clock */
+static struct i2c_board_info __initdata mxm_8x10_i2c_devices[] = {
+	{
+		I2C_BOARD_INFO("ds1337", 0x68)
+	}
+};
+
+static void __init mxm_8x10_i2c_init(void)
+{
+	i2c_register_board_info(0, mxm_8x10_i2c_devices,
+				ARRAY_SIZE(mxm_8x10_i2c_devices));
+	pxa_set_i2c_info(NULL);
+}
+
+void __init mxm_8x10_barebones_init(void)
+{
+	pxa3xx_mfp_config(ARRAY_AND_SIZE(mfp_cfg));
+
+	mxm_8x10_uarts_init();
+	mxm_8x10_nand_init();
+	mxm_8x10_i2c_init();
+	mxm_8x10_ethernet_init();
+}
diff --git a/arch/arm/mach-pxa/palmld.c b/arch/arm/mach-pxa/palmld.c
index e100af78b166..f70c75b38769 100644
--- a/arch/arm/mach-pxa/palmld.c
+++ b/arch/arm/mach-pxa/palmld.c
@@ -83,26 +83,7 @@ static unsigned long palmld_pin_config[] __initdata = {
 	GPIO105_KP_MKOUT_2,
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* PWM */
 	GPIO16_PWM0_OUT,
diff --git a/arch/arm/mach-pxa/palmt5.c b/arch/arm/mach-pxa/palmt5.c
index 8fe3ec27568f..d902a813aae3 100644
--- a/arch/arm/mach-pxa/palmt5.c
+++ b/arch/arm/mach-pxa/palmt5.c
@@ -87,26 +87,7 @@ static unsigned long palmt5_pin_config[] __initdata = {
 	GPIO105_KP_MKOUT_2,
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* PWM */
 	GPIO16_PWM0_OUT,
diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c
index b992f07ece21..717d7a638675 100644
--- a/arch/arm/mach-pxa/palmtc.c
+++ b/arch/arm/mach-pxa/palmtc.c
@@ -84,26 +84,7 @@ static unsigned long palmtc_pin_config[] __initdata = {
 	GPIO36_GPIO,	/* pullup */
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* MATRIX KEYPAD */
 	GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,	/* in 0 */
diff --git a/arch/arm/mach-pxa/palmte2.c b/arch/arm/mach-pxa/palmte2.c
index dc728d6ab94e..3d284ff1a64e 100644
--- a/arch/arm/mach-pxa/palmte2.c
+++ b/arch/arm/mach-pxa/palmte2.c
@@ -73,26 +73,7 @@ static unsigned long palmte2_pin_config[] __initdata = {
 	GPIO47_FICP_TXD,
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* GPIO KEYS */
 	GPIO5_GPIO,	/* notes */
diff --git a/arch/arm/mach-pxa/palmtreo.c b/arch/arm/mach-pxa/palmtreo.c
index b433bb496711..d8b4469607a1 100644
--- a/arch/arm/mach-pxa/palmtreo.c
+++ b/arch/arm/mach-pxa/palmtreo.c
@@ -99,25 +99,7 @@ static unsigned long treo_pin_config[] __initdata = {
 	GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH,	/* Hotsync button */
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* Quick Capture Interface */
 	GPIO84_CIF_FV,
diff --git a/arch/arm/mach-pxa/palmtx.c b/arch/arm/mach-pxa/palmtx.c
index b37a025c0b7b..007b58c11f8d 100644
--- a/arch/arm/mach-pxa/palmtx.c
+++ b/arch/arm/mach-pxa/palmtx.c
@@ -110,26 +110,7 @@ static unsigned long palmtx_pin_config[] __initdata = {
 	GPIO105_KP_MKOUT_2,
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* FFUART */
 	GPIO34_FFUART_RXD,
diff --git a/arch/arm/mach-pxa/palmz72.c b/arch/arm/mach-pxa/palmz72.c
index 1c5d68a94511..3a7925ca3944 100644
--- a/arch/arm/mach-pxa/palmz72.c
+++ b/arch/arm/mach-pxa/palmz72.c
@@ -95,26 +95,8 @@ static unsigned long palmz72_pin_config[] __initdata = {
 	GPIO105_KP_MKOUT_2,
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
+
 	GPIO20_GPIO,	/* bl power */
 	GPIO21_GPIO,	/* LCD border switch */
 	GPIO22_GPIO,	/* LCD border color */
diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c
index d5255ae74fe3..9d0ecea1760c 100644
--- a/arch/arm/mach-pxa/pcm990-baseboard.c
+++ b/arch/arm/mach-pxa/pcm990-baseboard.c
@@ -58,6 +58,12 @@ static unsigned long pcm990_pin_config[] __initdata = {
 	/* I2C */
 	GPIO117_I2C_SCL,
 	GPIO118_I2C_SDA,
+
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
 };
 
 /*
@@ -259,8 +265,7 @@ static void pcm990_irq_handler(unsigned int irq, struct irq_desc *desc)
 	unsigned long pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled;
 
 	do {
-		GEDR(PCM990_CTRL_INT_IRQ_GPIO) =
-					GPIO_bit(PCM990_CTRL_INT_IRQ_GPIO);
+		desc->chip->ack(irq);	/* clear our parent IRQ */
 		if (likely(pending)) {
 			irq = PCM027_IRQ(0) + __ffs(pending);
 			generic_handle_irq(irq);
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index c2b938a4d5c9..d58a52415d75 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -91,26 +91,7 @@ static unsigned long poodle_pin_config[] __initdata = {
 	GPIO35_FFUART_CTS,
 
 	/* LCD */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* PC Card */
 	GPIO48_nPOE,
@@ -193,11 +174,18 @@ static struct resource locomo_resources[] = {
 	},
 };
 
+static struct locomo_platform_data locomo_info = {
+	.irq_base	= IRQ_BOARD_START,
+};
+
 struct platform_device poodle_locomo_device = {
 	.name		= "locomo",
 	.id		= 0,
 	.num_resources	= ARRAY_SIZE(locomo_resources),
 	.resource	= locomo_resources,
+	.dev		= {
+		.platform_data	= &locomo_info,
+	},
 };
 
 EXPORT_SYMBOL(poodle_locomo_device);
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index d783123e2d48..0af36177ff08 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -40,6 +40,25 @@ void pxa27x_clear_otgph(void)
 }
 EXPORT_SYMBOL(pxa27x_clear_otgph);
 
+static unsigned long ac97_reset_config[] = {
+	GPIO95_AC97_nRESET,
+	GPIO95_GPIO,
+	GPIO113_AC97_nRESET,
+	GPIO113_GPIO,
+};
+
+void pxa27x_assert_ac97reset(int reset_gpio, int on)
+{
+	if (reset_gpio == 113)
+		pxa2xx_mfp_config(on ? &ac97_reset_config[0] :
+				       &ac97_reset_config[1], 1);
+
+	if (reset_gpio == 95)
+		pxa2xx_mfp_config(on ? &ac97_reset_config[2] :
+				       &ac97_reset_config[3], 1);
+}
+EXPORT_SYMBOL_GPL(pxa27x_assert_ac97reset);
+
 /* Crystal clock: 13MHz */
 #define BASE_CLK	13000000
 
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
new file mode 100644
index 000000000000..44bb675e47f1
--- /dev/null
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -0,0 +1,1106 @@
+/*
+ * arch/arm/mach-pxa/raumfeld.c
+ *
+ * Support for the following Raumfeld devices:
+ *
+ * 	* Controller
+ *  	* Connector
+ *  	* Speaker S/M
+ *
+ * See http://www.raumfeld.com for details.
+ *
+ * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sysdev.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/gpio.h>
+#include <linux/smsc911x.h>
+#include <linux/input.h>
+#include <linux/rotary_encoder.h>
+#include <linux/gpio_keys.h>
+#include <linux/input/eeti_ts.h>
+#include <linux/leds.h>
+#include <linux/w1-gpio.h>
+#include <linux/sched.h>
+#include <linux/pwm_backlight.h>
+#include <linux/i2c.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_gpio.h>
+#include <linux/lis3lv02d.h>
+#include <linux/pda_power.h>
+#include <linux/power_supply.h>
+#include <linux/regulator/max8660.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/consumer.h>
+#include <linux/delay.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+#include <mach/hardware.h>
+#include <mach/pxa3xx-regs.h>
+#include <mach/mfp-pxa3xx.h>
+#include <mach/mfp-pxa300.h>
+#include <mach/ohci.h>
+#include <mach/pxafb.h>
+#include <mach/mmc.h>
+#include <plat/i2c.h>
+#include <plat/pxa3xx_nand.h>
+
+#include "generic.h"
+#include "devices.h"
+#include "clock.h"
+
+/* common GPIO	definitions */
+
+/* inputs */
+#define GPIO_ON_OFF		(14)
+#define GPIO_VOLENC_A		(19)
+#define GPIO_VOLENC_B		(20)
+#define GPIO_CHARGE_DONE	(23)
+#define GPIO_CHARGE_IND		(27)
+#define GPIO_TOUCH_IRQ		(32)
+#define GPIO_ETH_IRQ		(40)
+#define GPIO_SPI_MISO		(98)
+#define GPIO_ACCEL_IRQ		(104)
+#define GPIO_RESCUE_BOOT	(115)
+#define GPIO_DOCK_DETECT	(116)
+#define GPIO_KEY1		(117)
+#define GPIO_KEY2		(118)
+#define GPIO_KEY3		(119)
+#define GPIO_CHARGE_USB_OK	(112)
+#define GPIO_CHARGE_DC_OK	(101)
+#define GPIO_CHARGE_USB_SUSP	(102)
+
+/* outputs */
+#define GPIO_SHUTDOWN_SUPPLY	(16)
+#define GPIO_SHUTDOWN_BATT	(18)
+#define GPIO_CHRG_PEN2		(31)
+#define GPIO_TFT_VA_EN		(33)
+#define GPIO_SPDIF_CS		(34)
+#define GPIO_LED2		(35)
+#define GPIO_LED1		(36)
+#define GPIO_SPDIF_RESET	(38)
+#define GPIO_SPI_CLK		(95)
+#define GPIO_MCLK_DAC_CS	(96)
+#define GPIO_SPI_MOSI		(97)
+#define GPIO_W1_PULLUP_ENABLE	(105)
+#define GPIO_DISPLAY_ENABLE	(106)
+#define GPIO_MCLK_RESET		(111)
+#define GPIO_W2W_RESET		(113)
+#define GPIO_W2W_PDN		(114)
+#define GPIO_CODEC_RESET	(120)
+#define GPIO_AUDIO_VA_ENABLE	(124)
+#define GPIO_ACCEL_CS		(125)
+#define GPIO_ONE_WIRE		(126)
+
+/*
+ * GPIO configurations
+ */
+static mfp_cfg_t raumfeld_controller_pin_config[] __initdata = {
+	/* UART1 */
+	GPIO77_UART1_RXD,
+	GPIO78_UART1_TXD,
+	GPIO79_UART1_CTS,
+	GPIO81_UART1_DSR,
+	GPIO83_UART1_DTR,
+	GPIO84_UART1_RTS,
+
+	/* UART3 */
+	GPIO110_UART3_RXD,
+
+	/* USB Host */
+	GPIO0_2_USBH_PEN,
+	GPIO1_2_USBH_PWR,
+
+	/* I2C */
+	GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+	GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+
+	/* SPI */
+	GPIO34_GPIO,	/* SPDIF_CS */
+	GPIO96_GPIO,	/* MCLK_CS */
+	GPIO125_GPIO,	/* ACCEL_CS */
+
+	/* MMC */
+	GPIO3_MMC1_DAT0,
+	GPIO4_MMC1_DAT1,
+	GPIO5_MMC1_DAT2,
+	GPIO6_MMC1_DAT3,
+	GPIO7_MMC1_CLK,
+	GPIO8_MMC1_CMD,
+
+	/* One-wire */
+	GPIO126_GPIO | MFP_LPM_FLOAT,
+	GPIO105_GPIO | MFP_PULL_LOW | MFP_LPM_PULL_LOW,
+
+	/* CHRG_USB_OK */
+	GPIO101_GPIO | MFP_PULL_HIGH,
+	/* CHRG_USB_OK */
+	GPIO112_GPIO | MFP_PULL_HIGH,
+	/* CHRG_USB_SUSP */
+	GPIO102_GPIO,
+	/* DISPLAY_ENABLE */
+	GPIO106_GPIO,
+	/* DOCK_DETECT */
+	GPIO116_GPIO | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+
+	/* LCD */
+	GPIO54_LCD_LDD_0,
+	GPIO55_LCD_LDD_1,
+	GPIO56_LCD_LDD_2,
+	GPIO57_LCD_LDD_3,
+	GPIO58_LCD_LDD_4,
+	GPIO59_LCD_LDD_5,
+	GPIO60_LCD_LDD_6,
+	GPIO61_LCD_LDD_7,
+	GPIO62_LCD_LDD_8,
+	GPIO63_LCD_LDD_9,
+	GPIO64_LCD_LDD_10,
+	GPIO65_LCD_LDD_11,
+	GPIO66_LCD_LDD_12,
+	GPIO67_LCD_LDD_13,
+	GPIO68_LCD_LDD_14,
+	GPIO69_LCD_LDD_15,
+	GPIO70_LCD_LDD_16,
+	GPIO71_LCD_LDD_17,
+	GPIO72_LCD_FCLK,
+	GPIO73_LCD_LCLK,
+	GPIO74_LCD_PCLK,
+	GPIO75_LCD_BIAS,
+};
+
+static mfp_cfg_t raumfeld_connector_pin_config[] __initdata = {
+	/* UART1 */
+	GPIO77_UART1_RXD,
+	GPIO78_UART1_TXD,
+	GPIO79_UART1_CTS,
+	GPIO81_UART1_DSR,
+	GPIO83_UART1_DTR,
+	GPIO84_UART1_RTS,
+
+	/* UART3 */
+	GPIO110_UART3_RXD,
+
+	/* USB Host */
+	GPIO0_2_USBH_PEN,
+	GPIO1_2_USBH_PWR,
+
+	/* I2C */
+	GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+	GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+
+	/* SPI */
+	GPIO34_GPIO,	/* SPDIF_CS */
+	GPIO96_GPIO,	/* MCLK_CS */
+	GPIO125_GPIO,	/* ACCEL_CS */
+
+	/* MMC */
+	GPIO3_MMC1_DAT0,
+	GPIO4_MMC1_DAT1,
+	GPIO5_MMC1_DAT2,
+	GPIO6_MMC1_DAT3,
+	GPIO7_MMC1_CLK,
+	GPIO8_MMC1_CMD,
+
+	/* Ethernet */
+	GPIO1_nCS2,			/* CS */
+	GPIO40_GPIO | MFP_PULL_HIGH,	/* IRQ */
+
+	/* SSP for I2S */
+	GPIO85_SSP1_SCLK,
+	GPIO89_SSP1_EXTCLK,
+	GPIO86_SSP1_FRM,
+	GPIO87_SSP1_TXD,
+	GPIO88_SSP1_RXD,
+	GPIO90_SSP1_SYSCLK,
+
+	/* SSP2 for S/PDIF */
+	GPIO25_SSP2_SCLK,
+	GPIO26_SSP2_FRM,
+	GPIO27_SSP2_TXD,
+	GPIO29_SSP2_EXTCLK,
+
+	/* LEDs */
+	GPIO35_GPIO | MFP_LPM_PULL_LOW,
+	GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
+};
+
+static mfp_cfg_t raumfeld_speaker_pin_config[] __initdata = {
+	/* UART1 */
+	GPIO77_UART1_RXD,
+	GPIO78_UART1_TXD,
+	GPIO79_UART1_CTS,
+	GPIO81_UART1_DSR,
+	GPIO83_UART1_DTR,
+	GPIO84_UART1_RTS,
+
+	/* UART3 */
+	GPIO110_UART3_RXD,
+
+	/* USB Host */
+	GPIO0_2_USBH_PEN,
+	GPIO1_2_USBH_PWR,
+
+	/* I2C */
+	GPIO21_I2C_SCL | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+	GPIO22_I2C_SDA | MFP_LPM_FLOAT | MFP_PULL_FLOAT,
+
+	/* SPI */
+	GPIO34_GPIO,	/* SPDIF_CS */
+	GPIO96_GPIO,	/* MCLK_CS */
+	GPIO125_GPIO,	/* ACCEL_CS */
+
+	/* MMC */
+	GPIO3_MMC1_DAT0,
+	GPIO4_MMC1_DAT1,
+	GPIO5_MMC1_DAT2,
+	GPIO6_MMC1_DAT3,
+	GPIO7_MMC1_CLK,
+	GPIO8_MMC1_CMD,
+
+	/* Ethernet */
+	GPIO1_nCS2,			/* CS */
+	GPIO40_GPIO | MFP_PULL_HIGH,	/* IRQ */
+
+	/* SSP for I2S */
+	GPIO85_SSP1_SCLK,
+	GPIO89_SSP1_EXTCLK,
+	GPIO86_SSP1_FRM,
+	GPIO87_SSP1_TXD,
+	GPIO88_SSP1_RXD,
+	GPIO90_SSP1_SYSCLK,
+
+	/* LEDs */
+	GPIO35_GPIO | MFP_LPM_PULL_LOW,
+	GPIO36_GPIO | MFP_LPM_DRIVE_HIGH,
+};
+
+/*
+ * SMSC LAN9220 Ethernet
+ */
+
+static struct resource smc91x_resources[] = {
+	{
+		.start	= PXA3xx_CS2_PHYS,
+		.end	= PXA3xx_CS2_PHYS + 0xfffff,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= gpio_to_irq(GPIO_ETH_IRQ),
+		.end	= gpio_to_irq(GPIO_ETH_IRQ),
+		.flags	= IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
+	}
+};
+
+static struct smsc911x_platform_config raumfeld_smsc911x_config = {
+	.phy_interface	= PHY_INTERFACE_MODE_MII,
+	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
+	.flags		= SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
+};
+
+static struct platform_device smc91x_device = {
+	.name		= "smsc911x",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(smc91x_resources),
+	.resource	= smc91x_resources,
+	.dev		= {
+		.platform_data = &raumfeld_smsc911x_config,
+	}
+};
+
+/**
+ * NAND
+ */
+
+static struct mtd_partition raumfeld_nand_partitions[] = {
+	{
+		.name		= "Bootloader",
+		.offset		= 0,
+		.size		= 0xa0000,
+		.mask_flags	= MTD_WRITEABLE, /* force read-only */
+	},
+	{
+		.name		= "BootloaderEnvironment",
+		.offset		= 0xa0000,
+		.size		= 0x20000,
+	},
+	{
+		.name		= "BootloaderSplashScreen",
+		.offset		= 0xc0000,
+		.size		= 0x60000,
+	},
+	{
+		.name		= "UBI",
+		.offset		= 0x120000,
+		.size		= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct pxa3xx_nand_platform_data raumfeld_nand_info = {
+	.enable_arbiter	= 1,
+	.keep_config	= 1,
+	.parts		= raumfeld_nand_partitions,
+	.nr_parts	= ARRAY_SIZE(raumfeld_nand_partitions),
+};
+
+/**
+ * USB (OHCI) support
+ */
+
+static struct pxaohci_platform_data raumfeld_ohci_info = {
+	.port_mode      = PMM_GLOBAL_MODE,
+	.flags		= ENABLE_PORT1,
+};
+
+/**
+ * Rotary encoder input device
+ */
+
+static struct rotary_encoder_platform_data raumfeld_rotary_encoder_info = {
+	.steps		= 24,
+	.axis		= REL_X,
+	.relative_axis	= 1,
+	.gpio_a		= GPIO_VOLENC_A,
+	.gpio_b		= GPIO_VOLENC_B,
+	.inverted_a	= 1,
+	.inverted_b	= 0,
+};
+
+static struct platform_device rotary_encoder_device = {
+	.name		= "rotary-encoder",
+	.id		= 0,
+	.dev		= {
+		.platform_data = &raumfeld_rotary_encoder_info,
+	}
+};
+
+/**
+ * GPIO buttons
+ */
+
+static struct gpio_keys_button gpio_keys_button[] = {
+	{
+		.code			= KEY_F1,
+		.type			= EV_KEY,
+		.gpio			= GPIO_KEY1,
+		.active_low		= 1,
+		.wakeup			= 0,
+		.debounce_interval	= 5, /* ms */
+		.desc			= "Button 1",
+	},
+	{
+		.code			= KEY_F2,
+		.type			= EV_KEY,
+		.gpio			= GPIO_KEY2,
+		.active_low		= 1,
+		.wakeup			= 0,
+		.debounce_interval	= 5, /* ms */
+		.desc			= "Button 2",
+	},
+	{
+		.code			= KEY_F3,
+		.type			= EV_KEY,
+		.gpio			= GPIO_KEY3,
+		.active_low		= 1,
+		.wakeup			= 0,
+		.debounce_interval	= 5, /* ms */
+		.desc			= "Button 3",
+	},
+	{
+		.code			= KEY_F4,
+		.type			= EV_KEY,
+		.gpio			= GPIO_RESCUE_BOOT,
+		.active_low		= 0,
+		.wakeup			= 0,
+		.debounce_interval	= 5, /* ms */
+		.desc			= "rescue boot button",
+	},
+	{
+		.code			= KEY_F5,
+		.type			= EV_KEY,
+		.gpio			= GPIO_DOCK_DETECT,
+		.active_low		= 1,
+		.wakeup			= 0,
+		.debounce_interval	= 5, /* ms */
+		.desc			= "dock detect",
+	},
+	{
+		.code			= KEY_F6,
+		.type			= EV_KEY,
+		.gpio			= GPIO_ON_OFF,
+		.active_low		= 0,
+		.wakeup			= 0,
+		.debounce_interval	= 5, /* ms */
+		.desc			= "on_off button",
+	},
+};
+
+static struct gpio_keys_platform_data gpio_keys_platform_data = {
+	.buttons	= gpio_keys_button,
+	.nbuttons	= ARRAY_SIZE(gpio_keys_button),
+	.rep		= 0,
+};
+
+static struct platform_device raumfeld_gpio_keys_device = {
+	.name	= "gpio-keys",
+	.id	= -1,
+	.dev 	= {
+		.platform_data	= &gpio_keys_platform_data,
+	}
+};
+
+/**
+ * GPIO LEDs
+ */
+
+static struct gpio_led raumfeld_leds[] = {
+	{
+		.name		= "raumfeld:1",
+		.gpio		= GPIO_LED1,
+		.active_low	= 1,
+		.default_state	= LEDS_GPIO_DEFSTATE_ON,
+	},
+	{
+		.name		= "raumfeld:2",
+		.gpio		= GPIO_LED2,
+		.active_low	= 0,
+		.default_state	= LEDS_GPIO_DEFSTATE_OFF,
+	}
+};
+
+static struct gpio_led_platform_data raumfeld_led_platform_data = {
+	.leds		= raumfeld_leds,
+	.num_leds	= ARRAY_SIZE(raumfeld_leds),
+};
+
+static struct platform_device raumfeld_led_device = {
+	.name	= "leds-gpio",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &raumfeld_led_platform_data,
+	},
+};
+
+/**
+ * One-wire (W1 bus) support
+ */
+
+static void w1_enable_external_pullup(int enable)
+{
+	gpio_set_value(GPIO_W1_PULLUP_ENABLE, enable);
+	msleep(100);
+}
+
+static struct w1_gpio_platform_data w1_gpio_platform_data = {
+	.pin			= GPIO_ONE_WIRE,
+	.is_open_drain		= 0,
+	.enable_external_pullup	= w1_enable_external_pullup,
+};
+
+struct platform_device raumfeld_w1_gpio_device = {
+	.name	= "w1-gpio",
+	.dev	= {
+		.platform_data = &w1_gpio_platform_data
+	}
+};
+
+static void __init raumfeld_w1_init(void)
+{
+	int ret = gpio_request(GPIO_W1_PULLUP_ENABLE,
+				"W1 external pullup enable");
+
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_W1_PULLUP_ENABLE\n");
+	else
+		gpio_direction_output(GPIO_W1_PULLUP_ENABLE, 0);
+
+	platform_device_register(&raumfeld_w1_gpio_device);
+}
+
+/**
+ * Framebuffer device
+ */
+
+/* PWM controlled backlight */
+static struct platform_pwm_backlight_data raumfeld_pwm_backlight_data = {
+	.pwm_id		= 0,
+	.max_brightness	= 100,
+	.dft_brightness	= 100,
+	/* 10000 ns = 10 ms ^= 100 kHz */
+	.pwm_period_ns	= 10000,
+};
+
+static struct platform_device raumfeld_pwm_backlight_device = {
+	.name	= "pwm-backlight",
+	.dev	= {
+		.parent		= &pxa27x_device_pwm0.dev,
+		.platform_data	= &raumfeld_pwm_backlight_data,
+	}
+};
+
+/* LT3593 controlled backlight */
+static struct gpio_led raumfeld_lt3593_led = {
+	.name		= "backlight",
+	.gpio		= mfp_to_gpio(MFP_PIN_GPIO17),
+	.default_state	= LEDS_GPIO_DEFSTATE_ON,
+};
+
+static struct gpio_led_platform_data raumfeld_lt3593_platform_data = {
+	.leds		= &raumfeld_lt3593_led,
+	.num_leds	= 1,
+};
+
+static struct platform_device raumfeld_lt3593_device = {
+	.name	= "leds-lt3593",
+	.id	= -1,
+	.dev	= {
+		.platform_data = &raumfeld_lt3593_platform_data,
+	},
+};
+
+static struct pxafb_mode_info sharp_lq043t3dx02_mode = {
+	.pixclock	= 111000,
+	.xres		= 480,
+	.yres		= 272,
+	.bpp		= 16,
+	.hsync_len	= 4,
+	.left_margin	= 2,
+	.right_margin	= 1,
+	.vsync_len	= 1,
+	.upper_margin	= 3,
+	.lower_margin	= 1,
+	.sync		= 0,
+};
+
+static struct pxafb_mach_info raumfeld_sharp_lcd_info = {
+	.modes		= &sharp_lq043t3dx02_mode,
+	.num_modes	= 1,
+	.video_mem_size = 0x400000,
+	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+};
+
+static void __init raumfeld_lcd_init(void)
+{
+	int ret;
+
+	set_pxa_fb_info(&raumfeld_sharp_lcd_info);
+
+	/* Earlier devices had the backlight regulator controlled
+	 * via PWM, later versions use another controller for that */
+	if ((system_rev & 0xff) < 2) {
+		mfp_cfg_t raumfeld_pwm_pin_config = GPIO17_PWM0_OUT;
+		pxa3xx_mfp_config(&raumfeld_pwm_pin_config, 1);
+		platform_device_register(&raumfeld_pwm_backlight_device);
+	} else
+		platform_device_register(&raumfeld_lt3593_device);
+
+	ret = gpio_request(GPIO_TFT_VA_EN, "display VA enable");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_TFT_VA_EN\n");
+	else
+		gpio_direction_output(GPIO_TFT_VA_EN, 1);
+
+	ret = gpio_request(GPIO_DISPLAY_ENABLE, "display enable");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_DISPLAY_ENABLE\n");
+	else
+		gpio_direction_output(GPIO_DISPLAY_ENABLE, 1);
+}
+
+/**
+ * SPI devices
+ */
+
+struct spi_gpio_platform_data raumfeld_spi_platform_data = {
+	.sck		= GPIO_SPI_CLK,
+	.mosi		= GPIO_SPI_MOSI,
+	.miso		= GPIO_SPI_MISO,
+	.num_chipselect	= 3,
+};
+
+static struct platform_device raumfeld_spi_device = {
+	.name	= "spi_gpio",
+	.id	= 0,
+	.dev 	= {
+		.platform_data	= &raumfeld_spi_platform_data,
+	}
+};
+
+static struct lis3lv02d_platform_data lis3_pdata = {
+	.click_flags 	= LIS3_CLICK_SINGLE_X |
+			  LIS3_CLICK_SINGLE_Y |
+			  LIS3_CLICK_SINGLE_Z,
+	.irq_cfg	= LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
+	.wakeup_flags	= LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
+			  LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
+			  LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
+	.wakeup_thresh	= 10,
+	.click_thresh_x = 10,
+	.click_thresh_y = 10,
+	.click_thresh_z = 10,
+};
+
+#define SPI_AK4104	\
+{			\
+	.modalias	= "ak4104",	\
+	.max_speed_hz	= 10000,	\
+	.bus_num	= 0,		\
+	.chip_select	= 0,		\
+	.controller_data = (void *) GPIO_SPDIF_CS,	\
+}
+
+#define SPI_LIS3	\
+{			\
+	.modalias	= "lis3lv02d_spi",	\
+	.max_speed_hz	= 1000000,		\
+	.bus_num	= 0,			\
+	.chip_select	= 1,			\
+	.controller_data = (void *) GPIO_ACCEL_CS,	\
+	.platform_data	= &lis3_pdata,		\
+	.irq		= gpio_to_irq(GPIO_ACCEL_IRQ),	\
+}
+
+#define SPI_DAC7512	\
+{	\
+	.modalias	= "dac7512",		\
+	.max_speed_hz	= 1000000,		\
+	.bus_num	= 0,			\
+	.chip_select	= 2,			\
+	.controller_data = (void *) GPIO_MCLK_DAC_CS,	\
+}
+
+static struct spi_board_info connector_spi_devices[] __initdata = {
+	SPI_AK4104,
+	SPI_DAC7512,
+};
+
+static struct spi_board_info speaker_spi_devices[] __initdata = {
+	SPI_DAC7512,
+};
+
+static struct spi_board_info controller_spi_devices[] __initdata = {
+	SPI_LIS3,
+};
+
+/**
+ * MMC for Marvell Libertas 8688 via SDIO
+ */
+
+static int raumfeld_mci_init(struct device *dev, irq_handler_t isr, void *data)
+{
+	gpio_set_value(GPIO_W2W_RESET, 1);
+	gpio_set_value(GPIO_W2W_PDN, 1);
+
+	return 0;
+}
+
+static void raumfeld_mci_exit(struct device *dev, void *data)
+{
+	gpio_set_value(GPIO_W2W_RESET, 0);
+	gpio_set_value(GPIO_W2W_PDN, 0);
+}
+
+static struct pxamci_platform_data raumfeld_mci_platform_data = {
+	.init			= raumfeld_mci_init,
+	.exit			= raumfeld_mci_exit,
+	.detect_delay		= 20,
+	.gpio_card_detect	= -1,
+	.gpio_card_ro		= -1,
+	.gpio_power		= -1,
+};
+
+/*
+ * External power / charge logic
+ */
+
+static int power_supply_init(struct device *dev)
+{
+	return 0;
+}
+
+static void power_supply_exit(struct device *dev)
+{
+}
+
+static int raumfeld_is_ac_online(void)
+{
+	return !gpio_get_value(GPIO_CHARGE_DC_OK);
+}
+
+static int raumfeld_is_usb_online(void)
+{
+	return 0;
+}
+
+static char *raumfeld_power_supplicants[] = { "ds2760-battery.0" };
+
+static struct pda_power_pdata power_supply_info = {
+	.init			= power_supply_init,
+	.is_ac_online		= raumfeld_is_ac_online,
+	.is_usb_online		= raumfeld_is_usb_online,
+	.exit			= power_supply_exit,
+	.supplied_to		= raumfeld_power_supplicants,
+	.num_supplicants	= ARRAY_SIZE(raumfeld_power_supplicants)
+};
+
+static struct resource power_supply_resources[] = {
+	{
+		.name  = "ac",
+		.flags = IORESOURCE_IRQ |
+			 IORESOURCE_IRQ_HIGHEDGE | IORESOURCE_IRQ_LOWEDGE,
+		.start = GPIO_CHARGE_DC_OK,
+		.end   = GPIO_CHARGE_DC_OK,
+	},
+};
+
+static irqreturn_t charge_done_irq(int irq, void *dev_id)
+{
+	struct power_supply *psy;
+
+	psy = power_supply_get_by_name("ds2760-battery.0");
+
+	if (psy)
+		power_supply_set_battery_charged(psy);
+
+	return IRQ_HANDLED;
+}
+
+static struct platform_device raumfeld_power_supply = {
+	.name = "pda-power",
+	.id   = -1,
+	.dev  = {
+		.platform_data = &power_supply_info,
+	},
+	.resource      = power_supply_resources,
+	.num_resources = ARRAY_SIZE(power_supply_resources),
+};
+
+static void __init raumfeld_power_init(void)
+{
+	int ret;
+
+	/* Set PEN2 high to enable maximum charge current */
+	ret = gpio_request(GPIO_CHRG_PEN2, "CHRG_PEN2");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_CHRG_PEN2\n");
+	else
+		gpio_direction_output(GPIO_CHRG_PEN2, 1);
+
+	ret = gpio_request(GPIO_CHARGE_DC_OK, "CABLE_DC_OK");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_CHARGE_DC_OK\n");
+
+	ret = gpio_request(GPIO_CHARGE_USB_SUSP, "CHARGE_USB_SUSP");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_CHARGE_USB_SUSP\n");
+	else
+		gpio_direction_output(GPIO_CHARGE_USB_SUSP, 0);
+
+	power_supply_resources[0].start = gpio_to_irq(GPIO_CHARGE_DC_OK);
+	power_supply_resources[0].end = gpio_to_irq(GPIO_CHARGE_DC_OK);
+
+	ret = request_irq(gpio_to_irq(GPIO_CHARGE_DONE),
+			&charge_done_irq, IORESOURCE_IRQ_LOWEDGE,
+			"charge_done", NULL);
+
+	if (ret < 0)
+		printk(KERN_ERR "%s: unable to register irq %d\n", __func__,
+			GPIO_CHARGE_DONE);
+	else
+		platform_device_register(&raumfeld_power_supply);
+}
+
+/* Fixed regulator for AUDIO_VA, 0-0048 maps to the cs4270 codec device */
+
+static struct regulator_consumer_supply audio_va_consumer_supply =
+	REGULATOR_SUPPLY("va", "0-0048");
+
+struct regulator_init_data audio_va_initdata = {
+	.consumer_supplies = &audio_va_consumer_supply,
+	.num_consumer_supplies = 1,
+	.constraints = {
+		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct fixed_voltage_config audio_va_config = {
+	.supply_name		= "audio_va",
+	.microvolts		= 5000000,
+	.gpio			= GPIO_AUDIO_VA_ENABLE,
+	.enable_high		= 1,
+	.enabled_at_boot	= 0,
+	.init_data		= &audio_va_initdata,
+};
+
+static struct platform_device audio_va_device = {
+	.name	= "reg-fixed-voltage",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &audio_va_config,
+	},
+};
+
+/* Dummy supplies for Codec's VD/VLC */
+
+static struct regulator_consumer_supply audio_dummy_supplies[] = {
+	REGULATOR_SUPPLY("vd", "0-0048"),
+	REGULATOR_SUPPLY("vlc", "0-0048"),
+};
+
+struct regulator_init_data audio_dummy_initdata = {
+	.consumer_supplies = audio_dummy_supplies,
+	.num_consumer_supplies = ARRAY_SIZE(audio_dummy_supplies),
+	.constraints = {
+		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
+	},
+};
+
+static struct fixed_voltage_config audio_dummy_config = {
+	.supply_name		= "audio_vd",
+	.microvolts		= 3300000,
+	.gpio			= -1,
+	.init_data		= &audio_dummy_initdata,
+};
+
+static struct platform_device audio_supply_dummy_device = {
+	.name	= "reg-fixed-voltage",
+	.id	= 1,
+	.dev	= {
+		.platform_data = &audio_dummy_config,
+	},
+};
+
+static struct platform_device *audio_regulator_devices[] = {
+	&audio_va_device,
+	&audio_supply_dummy_device,
+};
+
+/**
+ * Regulator support via MAX8660
+ */
+
+static struct regulator_consumer_supply vcc_mmc_supply =
+	REGULATOR_SUPPLY("vmmc", "pxa2xx-mci.0");
+
+static struct regulator_init_data vcc_mmc_init_data = {
+	.constraints = {
+		.min_uV			= 3300000,
+		.max_uV			= 3300000,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL,
+		.valid_ops_mask		= REGULATOR_CHANGE_STATUS |
+					  REGULATOR_CHANGE_VOLTAGE |
+					  REGULATOR_CHANGE_MODE,
+	},
+	.consumer_supplies = &vcc_mmc_supply,
+	.num_consumer_supplies = 1,
+};
+
+struct max8660_subdev_data max8660_v6_subdev_data = {
+	.id		= MAX8660_V6,
+	.name		= "vmmc",
+	.platform_data	= &vcc_mmc_init_data,
+};
+
+static struct max8660_platform_data max8660_pdata = {
+	.subdevs = &max8660_v6_subdev_data,
+	.num_subdevs = 1,
+};
+
+/**
+ * I2C devices
+ */
+
+static struct i2c_board_info raumfeld_pwri2c_board_info = {
+	.type		= "max8660",
+	.addr		= 0x34,
+	.platform_data	= &max8660_pdata,
+};
+
+static struct i2c_board_info raumfeld_connector_i2c_board_info __initdata = {
+	.type	= "cs4270",
+	.addr	= 0x48,
+};
+
+static struct eeti_ts_platform_data eeti_ts_pdata = {
+	.irq_active_high = 1,
+};
+
+static struct i2c_board_info raumfeld_controller_i2c_board_info __initdata = {
+	.type	= "eeti_ts",
+	.addr	= 0x0a,
+	.irq	= gpio_to_irq(GPIO_TOUCH_IRQ),
+	.platform_data = &eeti_ts_pdata,
+};
+
+static struct platform_device *raumfeld_common_devices[] = {
+	&raumfeld_gpio_keys_device,
+	&raumfeld_led_device,
+	&raumfeld_spi_device,
+};
+
+static void __init raumfeld_audio_init(void)
+{
+	int ret;
+
+	ret = gpio_request(GPIO_CODEC_RESET, "cs4270 reset");
+	if (ret < 0)
+		pr_warning("unable to request GPIO_CODEC_RESET\n");
+	else
+		gpio_direction_output(GPIO_CODEC_RESET, 1);
+
+	ret = gpio_request(GPIO_SPDIF_RESET, "ak4104 s/pdif reset");
+	if (ret < 0)
+		pr_warning("unable to request GPIO_SPDIF_RESET\n");
+	else
+		gpio_direction_output(GPIO_SPDIF_RESET, 1);
+
+	ret = gpio_request(GPIO_MCLK_RESET, "MCLK reset");
+	if (ret < 0)
+		pr_warning("unable to request GPIO_MCLK_RESET\n");
+	else
+		gpio_direction_output(GPIO_MCLK_RESET, 1);
+
+	platform_add_devices(ARRAY_AND_SIZE(audio_regulator_devices));
+}
+
+static void __init raumfeld_common_init(void)
+{
+	int ret;
+
+	/* The on/off button polarity has changed after revision 1 */
+	if ((system_rev & 0xff) > 1) {
+		int i;
+
+		for (i = 0; i < ARRAY_SIZE(gpio_keys_button); i++)
+			if (!strcmp(gpio_keys_button[i].desc, "on/off button"))
+				gpio_keys_button[i].active_low = 1;
+	}
+
+	enable_irq_wake(IRQ_WAKEUP0);
+
+	pxa3xx_set_nand_info(&raumfeld_nand_info);
+	pxa3xx_set_i2c_power_info(NULL);
+	pxa_set_ohci_info(&raumfeld_ohci_info);
+	pxa_set_mci_info(&raumfeld_mci_platform_data);
+	pxa_set_i2c_info(NULL);
+	pxa_set_ffuart_info(NULL);
+
+	ret = gpio_request(GPIO_W2W_RESET, "Wi2Wi reset");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_W2W_RESET\n");
+	else
+		gpio_direction_output(GPIO_W2W_RESET, 0);
+
+	ret = gpio_request(GPIO_W2W_PDN, "Wi2Wi powerup");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_W2W_PDN\n");
+	else
+		gpio_direction_output(GPIO_W2W_PDN, 0);
+
+	/* this can be used to switch off the device */
+	ret = gpio_request(GPIO_SHUTDOWN_SUPPLY,
+				"supply shutdown");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_SHUTDOWN_SUPPLY\n");
+	else
+		gpio_direction_output(GPIO_SHUTDOWN_SUPPLY, 0);
+
+	platform_add_devices(ARRAY_AND_SIZE(raumfeld_common_devices));
+	i2c_register_board_info(1, &raumfeld_pwri2c_board_info, 1);
+}
+
+static void __init raumfeld_controller_init(void)
+{
+	int ret;
+
+	pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_controller_pin_config));
+	platform_device_register(&rotary_encoder_device);
+	spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
+	i2c_register_board_info(0, &raumfeld_controller_i2c_board_info, 1);
+
+	ret = gpio_request(GPIO_SHUTDOWN_BATT, "battery shutdown");
+	if (ret < 0)
+		pr_warning("Unable to request GPIO_SHUTDOWN_BATT\n");
+	else
+		gpio_direction_output(GPIO_SHUTDOWN_BATT, 0);
+
+	raumfeld_common_init();
+	raumfeld_power_init();
+	raumfeld_lcd_init();
+	raumfeld_w1_init();
+}
+
+static void __init raumfeld_connector_init(void)
+{
+	pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_connector_pin_config));
+	spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
+	i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
+
+	platform_device_register(&smc91x_device);
+
+	raumfeld_audio_init();
+	raumfeld_common_init();
+}
+
+static void __init raumfeld_speaker_init(void)
+{
+	pxa3xx_mfp_config(ARRAY_AND_SIZE(raumfeld_speaker_pin_config));
+	spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
+	i2c_register_board_info(0, &raumfeld_connector_i2c_board_info, 1);
+
+	platform_device_register(&smc91x_device);
+	platform_device_register(&rotary_encoder_device);
+
+	raumfeld_audio_init();
+	raumfeld_common_init();
+}
+
+/* physical memory regions */
+#define	RAUMFELD_SDRAM_BASE	0xa0000000	/* SDRAM region */
+
+#ifdef CONFIG_MACH_RAUMFELD_RC
+MACHINE_START(RAUMFELD_RC, "Raumfeld Controller")
+	.phys_io	= 0x40000000,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.boot_params	= RAUMFELD_SDRAM_BASE + 0x100,
+	.init_machine	= raumfeld_controller_init,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa3xx_init_irq,
+	.timer		= &pxa_timer,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_RAUMFELD_CONNECTOR
+MACHINE_START(RAUMFELD_CONNECTOR, "Raumfeld Connector")
+	.phys_io	= 0x40000000,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.boot_params	= RAUMFELD_SDRAM_BASE + 0x100,
+	.init_machine	= raumfeld_connector_init,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa3xx_init_irq,
+	.timer		= &pxa_timer,
+MACHINE_END
+#endif
+
+#ifdef CONFIG_MACH_RAUMFELD_SPEAKER
+MACHINE_START(RAUMFELD_SPEAKER, "Raumfeld Speaker")
+	.phys_io	= 0x40000000,
+	.io_pg_offst	= (io_p2v(0x40000000) >> 18) & 0xfffc,
+	.boot_params	= RAUMFELD_SDRAM_BASE + 0x100,
+	.init_machine	= raumfeld_speaker_init,
+	.map_io		= pxa_map_io,
+	.init_irq	= pxa3xx_init_irq,
+	.timer		= &pxa_timer,
+MACHINE_END
+#endif
diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index 67229a1ef55c..463d874bb867 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -900,7 +900,7 @@ static struct platform_suspend_ops sharpsl_pm_ops = {
 };
 #endif
 
-static int __init sharpsl_pm_probe(struct platform_device *pdev)
+static int __devinit sharpsl_pm_probe(struct platform_device *pdev)
 {
 	int ret;
 
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 28352c0b8c34..19b5109d9808 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -56,25 +56,7 @@ static unsigned long spitz_pin_config[] __initdata = {
 	GPIO80_nCS_4,	/* SCOOP #1 */
 
 	/* LCD - 16bpp Active TFT */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* PC Card */
 	GPIO48_nPOE,
diff --git a/arch/arm/mach-pxa/ssp.c b/arch/arm/mach-pxa/ssp.c
index 9ebe658590fa..a81d6dbf662d 100644
--- a/arch/arm/mach-pxa/ssp.c
+++ b/arch/arm/mach-pxa/ssp.c
@@ -35,6 +35,8 @@
 #include <mach/ssp.h>
 #include <mach/regs-ssp.h>
 
+#ifdef CONFIG_PXA_SSP_LEGACY
+
 #define TIMEOUT 100000
 
 static irqreturn_t ssp_interrupt(int irq, void *dev_id)
@@ -303,6 +305,7 @@ void ssp_exit(struct ssp_dev *dev)
 	clk_disable(ssp->clk);
 	ssp_free(ssp);
 }
+#endif /* CONFIG_PXA_SSP_LEGACY */
 
 static DEFINE_MUTEX(ssp_lock);
 static LIST_HEAD(ssp_list);
@@ -488,6 +491,7 @@ static void __exit pxa_ssp_exit(void)
 arch_initcall(pxa_ssp_init);
 module_exit(pxa_ssp_exit);
 
+#ifdef CONFIG_PXA_SSP_LEGACY
 EXPORT_SYMBOL(ssp_write_word);
 EXPORT_SYMBOL(ssp_read_word);
 EXPORT_SYMBOL(ssp_flush);
@@ -498,6 +502,7 @@ EXPORT_SYMBOL(ssp_restore_state);
 EXPORT_SYMBOL(ssp_init);
 EXPORT_SYMBOL(ssp_exit);
 EXPORT_SYMBOL(ssp_config);
+#endif
 
 MODULE_DESCRIPTION("PXA SSP driver");
 MODULE_AUTHOR("Liam Girdwood");
diff --git a/arch/arm/mach-pxa/stargate2.c b/arch/arm/mach-pxa/stargate2.c
index a98a434f0111..2041eb1d90ba 100644
--- a/arch/arm/mach-pxa/stargate2.c
+++ b/arch/arm/mach-pxa/stargate2.c
@@ -764,11 +764,6 @@ static void __init stargate2_init(void)
 	pxa_set_btuart_info(NULL);
 	pxa_set_stuart_info(NULL);
 
-	/* spi chip selects */
-	gpio_direction_output(37, 0);
-	gpio_direction_output(24, 0);
-	gpio_direction_output(39, 0);
-
 	platform_add_devices(ARRAY_AND_SIZE(stargate2_devices));
 
 	pxa2xx_set_spi_info(1, &pxa_ssp_master_0_info);
diff --git a/arch/arm/mach-pxa/time.c b/arch/arm/mach-pxa/time.c
index 750c448db672..293e40aeaf29 100644
--- a/arch/arm/mach-pxa/time.c
+++ b/arch/arm/mach-pxa/time.c
@@ -76,14 +76,12 @@ pxa_ost0_interrupt(int irq, void *dev_id)
 static int
 pxa_osmr0_set_next_event(unsigned long delta, struct clock_event_device *dev)
 {
-	unsigned long flags, next, oscr;
+	unsigned long next, oscr;
 
-	raw_local_irq_save(flags);
 	OIER |= OIER_E0;
 	next = OSCR + delta;
 	OSMR0 = next;
 	oscr = OSCR;
-	raw_local_irq_restore(flags);
 
 	return (signed)(next - oscr) <= MIN_OSCR_DELTA ? -ETIME : 0;
 }
@@ -91,23 +89,17 @@ pxa_osmr0_set_next_event(unsigned long delta, struct clock_event_device *dev)
 static void
 pxa_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *dev)
 {
-	unsigned long irqflags;
-
 	switch (mode) {
 	case CLOCK_EVT_MODE_ONESHOT:
-		raw_local_irq_save(irqflags);
 		OIER &= ~OIER_E0;
 		OSSR = OSSR_M0;
-		raw_local_irq_restore(irqflags);
 		break;
 
 	case CLOCK_EVT_MODE_UNUSED:
 	case CLOCK_EVT_MODE_SHUTDOWN:
 		/* initializing, released, or preparing for suspend */
-		raw_local_irq_save(irqflags);
 		OIER &= ~OIER_E0;
 		OSSR = OSSR_M0;
-		raw_local_irq_restore(irqflags);
 		break;
 
 	case CLOCK_EVT_MODE_RESUME:
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index c854c168a451..ad552791c4ce 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -32,6 +32,7 @@
 #include <linux/gpio.h>
 #include <linux/pda_power.h>
 #include <linux/spi/spi.h>
+#include <linux/input/matrix_keypad.h>
 
 #include <asm/setup.h>
 #include <asm/mach-types.h>
@@ -131,24 +132,24 @@ static unsigned long tosa_pin_config[] = {
 	GPIO45_BTUART_RTS,
 
 	/* Keybd */
-	GPIO58_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO59_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO60_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO61_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO62_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO63_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO64_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO65_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO66_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO67_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO68_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO69_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO70_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO71_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO72_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO73_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO74_GPIO | MFP_LPM_DRIVE_LOW,
-	GPIO75_GPIO | MFP_LPM_DRIVE_LOW,
+	GPIO58_GPIO | MFP_LPM_DRIVE_LOW,	/* Column 0 */
+	GPIO59_GPIO | MFP_LPM_DRIVE_LOW,	/* Column 1 */
+	GPIO60_GPIO | MFP_LPM_DRIVE_LOW,	/* Column 2 */
+	GPIO61_GPIO | MFP_LPM_DRIVE_LOW,	/* Column 3 */
+	GPIO62_GPIO | MFP_LPM_DRIVE_LOW,	/* Column 4 */
+	GPIO63_GPIO | MFP_LPM_DRIVE_LOW,	/* Column 5 */
+	GPIO64_GPIO | MFP_LPM_DRIVE_LOW,	/* Column 6 */
+	GPIO65_GPIO | MFP_LPM_DRIVE_LOW,	/* Column 7 */
+	GPIO66_GPIO | MFP_LPM_DRIVE_LOW,	/* Column 8 */
+	GPIO67_GPIO | MFP_LPM_DRIVE_LOW,	/* Column 9 */
+	GPIO68_GPIO | MFP_LPM_DRIVE_LOW,	/* Column 10 */
+	GPIO69_GPIO | MFP_LPM_DRIVE_LOW,	/* Row 0 */
+	GPIO70_GPIO | MFP_LPM_DRIVE_LOW,	/* Row 1 */
+	GPIO71_GPIO | MFP_LPM_DRIVE_LOW,	/* Row 2 */
+	GPIO72_GPIO | MFP_LPM_DRIVE_LOW,	/* Row 3 */
+	GPIO73_GPIO | MFP_LPM_DRIVE_LOW,	/* Row 4 */
+	GPIO74_GPIO | MFP_LPM_DRIVE_LOW,	/* Row 5 */
+	GPIO75_GPIO | MFP_LPM_DRIVE_LOW,	/* Row 6 */
 
 	/* SPI */
 	GPIO81_SSP2_CLK_OUT,
@@ -411,9 +412,87 @@ static struct platform_device tosa_power_device = {
 /*
  * Tosa Keyboard
  */
+static const uint32_t tosakbd_keymap[] = {
+	KEY(0, 2, KEY_W),
+	KEY(0, 6, KEY_K),
+	KEY(0, 7, KEY_BACKSPACE),
+	KEY(0, 8, KEY_P),
+	KEY(1, 1, KEY_Q),
+	KEY(1, 2, KEY_E),
+	KEY(1, 3, KEY_T),
+	KEY(1, 4, KEY_Y),
+	KEY(1, 6, KEY_O),
+	KEY(1, 7, KEY_I),
+	KEY(1, 8, KEY_COMMA),
+	KEY(2, 1, KEY_A),
+	KEY(2, 2, KEY_D),
+	KEY(2, 3, KEY_G),
+	KEY(2, 4, KEY_U),
+	KEY(2, 6, KEY_L),
+	KEY(2, 7, KEY_ENTER),
+	KEY(2, 8, KEY_DOT),
+	KEY(3, 1, KEY_Z),
+	KEY(3, 2, KEY_C),
+	KEY(3, 3, KEY_V),
+	KEY(3, 4, KEY_J),
+	KEY(3, 5, TOSA_KEY_ADDRESSBOOK),
+	KEY(3, 6, TOSA_KEY_CANCEL),
+	KEY(3, 7, TOSA_KEY_CENTER),
+	KEY(3, 8, TOSA_KEY_OK),
+	KEY(3, 9, KEY_LEFTSHIFT),
+	KEY(4, 1, KEY_S),
+	KEY(4, 2, KEY_R),
+	KEY(4, 3, KEY_B),
+	KEY(4, 4, KEY_N),
+	KEY(4, 5, TOSA_KEY_CALENDAR),
+	KEY(4, 6, TOSA_KEY_HOMEPAGE),
+	KEY(4, 7, KEY_LEFTCTRL),
+	KEY(4, 8, TOSA_KEY_LIGHT),
+	KEY(4, 10, KEY_RIGHTSHIFT),
+	KEY(5, 1, KEY_TAB),
+	KEY(5, 2, KEY_SLASH),
+	KEY(5, 3, KEY_H),
+	KEY(5, 4, KEY_M),
+	KEY(5, 5, TOSA_KEY_MENU),
+	KEY(5, 7, KEY_UP),
+	KEY(5, 11, TOSA_KEY_FN),
+	KEY(6, 1, KEY_X),
+	KEY(6, 2, KEY_F),
+	KEY(6, 3, KEY_SPACE),
+	KEY(6, 4, KEY_APOSTROPHE),
+	KEY(6, 5, TOSA_KEY_MAIL),
+	KEY(6, 6, KEY_LEFT),
+	KEY(6, 7, KEY_DOWN),
+	KEY(6, 8, KEY_RIGHT),
+};
+
+static struct matrix_keymap_data tosakbd_keymap_data = {
+	.keymap		= tosakbd_keymap,
+	.keymap_size	= ARRAY_SIZE(tosakbd_keymap),
+};
+
+static const int tosakbd_col_gpios[] =
+			{ 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68 };
+static const int tosakbd_row_gpios[] =
+			{ 69, 70, 71, 72, 73, 74, 75 };
+
+static struct matrix_keypad_platform_data tosakbd_pdata = {
+	.keymap_data		= &tosakbd_keymap_data,
+	.row_gpios		= tosakbd_row_gpios,
+	.col_gpios		= tosakbd_col_gpios,
+	.num_row_gpios		= ARRAY_SIZE(tosakbd_row_gpios),
+	.num_col_gpios		= ARRAY_SIZE(tosakbd_col_gpios),
+	.col_scan_delay_us	= 10,
+	.debounce_ms		= 10,
+	.wakeup			= 1,
+};
+
 static struct platform_device tosakbd_device = {
-	.name		= "tosa-keyboard",
+	.name		= "matrix-keypad",
 	.id		= -1,
+	.dev		= {
+		.platform_data = &tosakbd_pdata,
+	},
 };
 
 static struct gpio_keys_button tosa_gpio_keys[] = {
diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c
index 0aa858ebc573..797f2544d0ce 100644
--- a/arch/arm/mach-pxa/trizeps4.c
+++ b/arch/arm/mach-pxa/trizeps4.c
@@ -72,27 +72,14 @@ static unsigned long trizeps4_pin_config[] __initdata = {
 	GPIO79_nCS_3,		/* Logic CS */
 	GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,	/* Logic irq */
 
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+
 	/* LCD - 16bpp Active TFT */
-	GPIO58_LCD_LDD_0,
-	GPIO59_LCD_LDD_1,
-	GPIO60_LCD_LDD_2,
-	GPIO61_LCD_LDD_3,
-	GPIO62_LCD_LDD_4,
-	GPIO63_LCD_LDD_5,
-	GPIO64_LCD_LDD_6,
-	GPIO65_LCD_LDD_7,
-	GPIO66_LCD_LDD_8,
-	GPIO67_LCD_LDD_9,
-	GPIO68_LCD_LDD_10,
-	GPIO69_LCD_LDD_11,
-	GPIO70_LCD_LDD_12,
-	GPIO71_LCD_LDD_13,
-	GPIO72_LCD_LDD_14,
-	GPIO73_LCD_LDD_15,
-	GPIO74_LCD_FCLK,
-	GPIO75_LCD_LCLK,
-	GPIO76_LCD_PCLK,
-	GPIO77_LCD_BIAS,
+	GPIOxx_LCD_TFT_16BPP,
 
 	/* UART */
 	GPIO9_FFUART_CTS,
diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index 89f258c9e126..1dd13346f977 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -281,7 +281,7 @@ static void viper_irq_handler(unsigned int irq, struct irq_desc *desc)
 	do {
 		/* we're in a chained irq handler,
 		 * so ack the interrupt by hand */
-		GEDR(VIPER_CPLD_GPIO) = GPIO_bit(VIPER_CPLD_GPIO);
+		desc->chip->ack(irq);
 
 		if (likely(pending)) {
 			irq = viper_bit_to_irq(__ffs(pending));
@@ -711,6 +711,12 @@ static mfp_cfg_t viper_pin_config[] __initdata = {
 	GPIO80_nCS_4,
 	GPIO33_nCS_5,
 
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+
 	/* FP Backlight */
 	GPIO9_GPIO, 				/* VIPER_BCKLIGHT_EN_GPIO */
 	GPIO10_GPIO,				/* VIPER_LCD_EN_GPIO */
diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c
index 75f2a37f945d..39896d883584 100644
--- a/arch/arm/mach-pxa/zeus.c
+++ b/arch/arm/mach-pxa/zeus.c
@@ -26,6 +26,7 @@
 #include <linux/i2c.h>
 #include <linux/i2c/pca953x.h>
 #include <linux/apm-emulation.h>
+#include <linux/can/platform/mcp251x.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -387,11 +388,47 @@ static struct pxa2xx_spi_master pxa2xx_spi_ssp3_master_info = {
 	.enable_dma     = 1,
 };
 
-static struct platform_device pxa2xx_spi_ssp3_device = {
-	.name = "pxa2xx-spi",
-	.id = 3,
-	.dev = {
-		.platform_data = &pxa2xx_spi_ssp3_master_info,
+/* CAN bus on SPI */
+static int zeus_mcp2515_setup(struct spi_device *sdev)
+{
+	int err;
+
+	err = gpio_request(ZEUS_CAN_SHDN_GPIO, "CAN shutdown");
+	if (err)
+		return err;
+
+	err = gpio_direction_output(ZEUS_CAN_SHDN_GPIO, 1);
+	if (err) {
+		gpio_free(ZEUS_CAN_SHDN_GPIO);
+		return err;
+	}
+
+	return 0;
+}
+
+static int zeus_mcp2515_transceiver_enable(int enable)
+{
+	gpio_set_value(ZEUS_CAN_SHDN_GPIO, !enable);
+	return 0;
+}
+
+static struct mcp251x_platform_data zeus_mcp2515_pdata = {
+	.oscillator_frequency	= 16*1000*1000,
+	.model			= CAN_MCP251X_MCP2515,
+	.board_specific_setup	= zeus_mcp2515_setup,
+	.transceiver_enable	= zeus_mcp2515_transceiver_enable,
+	.power_enable		= zeus_mcp2515_transceiver_enable,
+};
+
+static struct spi_board_info zeus_spi_board_info[] = {
+	[0] = {
+		.modalias	= "mcp251x",
+		.platform_data	= &zeus_mcp2515_pdata,
+		.irq		= gpio_to_irq(ZEUS_CAN_GPIO),
+		.max_speed_hz	= 1*1000*1000,
+		.bus_num	= 3,
+		.mode		= SPI_MODE_0,
+		.chip_select	= 0,
 	},
 };
 
@@ -457,15 +494,28 @@ static struct platform_device zeus_pcmcia_device = {
 	},
 };
 
+static struct resource zeus_max6369_resource = {
+	.start		= ZEUS_CPLD_EXTWDOG_PHYS,
+	.end		= ZEUS_CPLD_EXTWDOG_PHYS,
+	.flags		= IORESOURCE_MEM,
+};
+
+struct platform_device zeus_max6369_device = {
+	.name		= "max6369_wdt",
+	.id		= -1,
+	.resource	= &zeus_max6369_resource,
+	.num_resources	= 1,
+};
+
 static struct platform_device *zeus_devices[] __initdata = {
 	&zeus_serial_device,
 	&zeus_mtd_devices[0],
 	&zeus_dm9k0_device,
 	&zeus_dm9k1_device,
 	&zeus_sram_device,
-	&pxa2xx_spi_ssp3_device,
 	&zeus_leds_device,
 	&zeus_pcmcia_device,
+	&zeus_max6369_device,
 };
 
 /* AC'97 */
@@ -509,7 +559,9 @@ static void zeus_ohci_exit(struct device *dev)
 
 static struct pxaohci_platform_data zeus_ohci_platform_data = {
 	.port_mode	= PMM_NPS_MODE,
-	.flags		= ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
+	/* Clear Power Control Polarity Low and set Power Sense
+	 * Polarity Low. Supply power to USB ports. */
+	.flags		= ENABLE_PORT_ALL | POWER_SENSE_LOW,
 	.init		= zeus_ohci_init,
 	.exit		= zeus_ohci_exit,
 };
@@ -621,11 +673,15 @@ static struct pxa2xx_udc_mach_info zeus_udc_info = {
 	.udc_command = zeus_udc_command,
 };
 
+#ifdef CONFIG_PM
 static void zeus_power_off(void)
 {
 	local_irq_disable();
 	pxa27x_cpu_suspend(PWRMODE_DEEPSLEEP);
 }
+#else
+#define zeus_power_off   NULL
+#endif
 
 #ifdef CONFIG_APM_EMULATION
 static void zeus_get_power_status(struct apm_power_info *info)
@@ -706,6 +762,12 @@ static struct i2c_board_info __initdata zeus_i2c_devices[] = {
 };
 
 static mfp_cfg_t zeus_pin_config[] __initdata = {
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+
 	GPIO15_nCS_1,
 	GPIO78_nCS_2,
 	GPIO80_nCS_4,
@@ -731,6 +793,11 @@ static mfp_cfg_t zeus_pin_config[] __initdata = {
 	GPIO104_CIF_DD_2,
 	GPIO105_CIF_DD_1,
 
+	GPIO81_SSP3_TXD,
+	GPIO82_SSP3_RXD,
+	GPIO83_SSP3_SFRM,
+	GPIO84_SSP3_SCLK,
+
 	GPIO48_nPOE,
 	GPIO49_nPWE,
 	GPIO50_nPIOR,
@@ -785,6 +852,8 @@ static void __init zeus_init(void)
 	pxa_set_ac97_info(&zeus_ac97_info);
 	pxa_set_i2c_info(NULL);
 	i2c_register_board_info(0, ARRAY_AND_SIZE(zeus_i2c_devices));
+	pxa2xx_set_spi_info(3, &pxa2xx_spi_ssp3_master_info);
+	spi_register_board_info(zeus_spi_board_info, ARRAY_SIZE(zeus_spi_board_info));
 }
 
 static struct map_desc zeus_io_desc[] __initdata = {
@@ -807,12 +876,6 @@ static struct map_desc zeus_io_desc[] __initdata = {
 		.type    = MT_DEVICE,
 	},
 	{
-		.virtual = ZEUS_CPLD_EXTWDOG,
-		.pfn     = __phys_to_pfn(ZEUS_CPLD_EXTWDOG_PHYS),
-		.length  = 0x1000,
-		.type    = MT_DEVICE,
-	},
-	{
 		.virtual = ZEUS_PC104IO,
 		.pfn     = __phys_to_pfn(ZEUS_PC104IO_PHYS),
 		.length  = 0x00800000,
@@ -837,7 +900,7 @@ static void __init zeus_map_io(void)
 	PCFR = PCFR_OPDE | PCFR_DC_EN | PCFR_FS | PCFR_FP;
 }
 
-MACHINE_START(ARCOM_ZEUS, "Arcom ZEUS")
+MACHINE_START(ARCOM_ZEUS, "Arcom/Eurotech ZEUS")
 	/* Maintainer: Marc Zyngier <maz@misterjones.org> */
 	.phys_io	= 0x40000000,
 	.io_pg_offst	= ((io_p2v(0x40000000) >> 18) & 0xfffc),
diff --git a/arch/arm/mach-rpc/include/mach/uncompress.h b/arch/arm/mach-rpc/include/mach/uncompress.h
index d5862368c4f2..8c9e2c7161c6 100644
--- a/arch/arm/mach-rpc/include/mach/uncompress.h
+++ b/arch/arm/mach-rpc/include/mach/uncompress.h
@@ -109,8 +109,6 @@ static inline void flush(void)
 {
 }
 
-static void error(char *x);
-
 /*
  * Setup for decompression
  */
diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index 63b753f56c64..0d8e043804c2 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -21,7 +21,7 @@
 #include <mach/dma.h>
 
 #include <plat/cpu.h>
-#include <plat/dma-plat.h>
+#include <plat/dma-s3c24xx.h>
 
 #include <plat/regs-serial.h>
 #include <mach/regs-gpio.h>
diff --git a/arch/arm/mach-s3c2410/h1940-bluetooth.c b/arch/arm/mach-s3c2410/h1940-bluetooth.c
index b7d1f8d27bc2..a3f3c7b1ca38 100644
--- a/arch/arm/mach-s3c2410/h1940-bluetooth.c
+++ b/arch/arm/mach-s3c2410/h1940-bluetooth.c
@@ -56,7 +56,7 @@ static const struct rfkill_ops h1940bt_rfkill_ops = {
 	.set_block = h1940bt_set_block,
 };
 
-static int __init h1940bt_probe(struct platform_device *pdev)
+static int __devinit h1940bt_probe(struct platform_device *pdev)
 {
 	struct rfkill *rfk;
 	int ret = 0;
diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-core.h b/arch/arm/mach-s3c2410/include/mach/gpio-track.h
index f8b879a7973c..acb259103808 100644
--- a/arch/arm/mach-s3c2410/include/mach/gpio-core.h
+++ b/arch/arm/mach-s3c2410/include/mach/gpio-track.h
@@ -15,7 +15,6 @@
 #ifndef __ASM_ARCH_GPIO_CORE_H
 #define __ASM_ARCH_GPIO_CORE_H __FILE__
 
-#include <plat/gpio-core.h>
 #include <mach/regs-gpio.h>
 
 extern struct s3c_gpio_chip s3c24xx_gpios[];
diff --git a/arch/arm/plat-s3c24xx/include/plat/pm-core.h b/arch/arm/mach-s3c2410/include/mach/pm-core.h
index fb45dd9adca5..70a83b209e25 100644
--- a/arch/arm/plat-s3c24xx/include/plat/pm-core.h
+++ b/arch/arm/mach-s3c2410/include/mach/pm-core.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c24xx/include/plat/pll.h
+/* linux/arch/arm/mach-s3c2410/include/pm-core.h
  *
  * Copyright 2008 Simtec Electronics
  *      Ben Dooks <ben@simtec.co.uk>
diff --git a/arch/arm/mach-s3c2410/include/mach/regs-gpio.h b/arch/arm/mach-s3c2410/include/mach/regs-gpio.h
index ebc85c6dadbf..fd672f330bf2 100644
--- a/arch/arm/mach-s3c2410/include/mach/regs-gpio.h
+++ b/arch/arm/mach-s3c2410/include/mach/regs-gpio.h
@@ -406,31 +406,31 @@
 #define S3C2443_GPE5_SD1_CLK   (0x02 << 10)
 #define S3C2400_GPE5_EINT5     (0x02 << 10)
 #define S3C2400_GPE5_TCLK1     (0x03 << 10)
+#define S3C2443_GPE5_AC_BITCLK (0x03 << 10)
 
 #define S3C2410_GPE6_SDCMD     (0x02 << 12)
 #define S3C2443_GPE6_SD1_CMD   (0x02 << 12)
-#define S3C2443_GPE6_AC_BITCLK (0x03 << 12)
+#define S3C2443_GPE6_AC_SDI    (0x03 << 12)
 #define S3C2400_GPE6_EINT6     (0x02 << 12)
 
 #define S3C2410_GPE7_SDDAT0    (0x02 << 14)
 #define S3C2443_GPE5_SD1_DAT0  (0x02 << 14)
-#define S3C2443_GPE7_AC_SDI    (0x03 << 14)
+#define S3C2443_GPE7_AC_SDO    (0x03 << 14)
 #define S3C2400_GPE7_EINT7     (0x02 << 14)
 
 #define S3C2410_GPE8_SDDAT1    (0x02 << 16)
 #define S3C2443_GPE8_SD1_DAT1  (0x02 << 16)
-#define S3C2443_GPE8_AC_SDO    (0x03 << 16)
+#define S3C2443_GPE8_AC_SYNC   (0x03 << 16)
 #define S3C2400_GPE8_nXDACK0   (0x02 << 16)
 
 #define S3C2410_GPE9_SDDAT2    (0x02 << 18)
 #define S3C2443_GPE9_SD1_DAT2  (0x02 << 18)
-#define S3C2443_GPE9_AC_SYNC   (0x03 << 18)
+#define S3C2443_GPE9_AC_nRESET (0x03 << 18)
 #define S3C2400_GPE9_nXDACK1   (0x02 << 18)
 #define S3C2400_GPE9_nXBACK    (0x03 << 18)
 
 #define S3C2410_GPE10_SDDAT3   (0x02 << 20)
 #define S3C2443_GPE10_SD1_DAT3 (0x02 << 20)
-#define S3C2443_GPE10_AC_nRESET (0x03 << 20)
 #define S3C2400_GPE10_nXDREQ0  (0x02 << 20)
 
 #define S3C2410_GPE11_SPIMISO0 (0x02 << 22)
diff --git a/arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h b/arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h
index 6026d091a2fe..d87ebe0cb625 100644
--- a/arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h
+++ b/arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h
@@ -42,23 +42,14 @@
 
 #define S3C2443_PLLCON_OFF		(1<<24)
 
-#define S3C2443_CLKSRC_I2S_EXT		(1<<14)
-#define S3C2443_CLKSRC_I2S_EPLLDIV	(0<<14)
-#define S3C2443_CLKSRC_I2S_EPLLREF	(2<<14)
-#define S3C2443_CLKSRC_I2S_EPLLREF3	(3<<14)
-#define S3C2443_CLKSRC_I2S_MASK		(3<<14)
-
 #define S3C2443_CLKSRC_EPLLREF_XTAL	(2<<7)
 #define S3C2443_CLKSRC_EPLLREF_EXTCLK	(3<<7)
 #define S3C2443_CLKSRC_EPLLREF_MPLLREF	(0<<7)
 #define S3C2443_CLKSRC_EPLLREF_MPLLREF2	(1<<7)
 #define S3C2443_CLKSRC_EPLLREF_MASK	(3<<7)
 
-#define S3C2443_CLKSRC_ESYSCLK_EPLL	(1<<6)
-#define S3C2443_CLKSRC_MSYSCLK_MPLL	(1<<4)
 #define S3C2443_CLKSRC_EXTCLK_DIV	(1<<3)
 
-#define S3C2443_CLKDIV0_DVS		(1<<13)
 #define S3C2443_CLKDIV0_HALF_HCLK	(1<<3)
 #define S3C2443_CLKDIV0_HALF_PCLK	(1<<2)
 
@@ -81,28 +72,7 @@
 #define S3C2443_CLKDIV0_ARMDIV_12	(13<<9)
 #define S3C2443_CLKDIV0_ARMDIV_16	(15<<9)
 
-/* S3C2443_CLKDIV1 */
-
-#define S3C2443_CLKDIV1_CAMDIV_MASK	(15<<26)
-#define S3C2443_CLKDIV1_CAMDIV_SHIFT	(26)
-
-#define S3C2443_CLKDIV1_HSSPIDIV_MASK	(3<<24)
-#define S3C2443_CLKDIV1_HSSPIDIV_SHIFT	(24)
-
-#define S3C2443_CLKDIV1_DISPDIV_MASK	(0xff<<16)
-#define S3C2443_CLKDIV1_DISPDIV_SHIFT	(16)
-
-#define S3C2443_CLKDIV1_I2SDIV_MASK	(15<<12)
-#define S3C2443_CLKDIV1_I2SDIV_SHIFT	(12)
-
-#define S3C2443_CLKDIV1_UARTDIV_MASK	(15<<8)
-#define S3C2443_CLKDIV1_UARTDIV_SHIFT	(8)
-
-#define S3C2443_CLKDIV1_HSMMCDIV_MASK	(3<<6)
-#define S3C2443_CLKDIV1_HSMMCDIV_SHIFT	(6)
-
-#define S3C2443_CLKDIV1_USBHOSTDIV_MASK	(3<<4)
-#define S3C2443_CLKDIV1_USBHOSTDIV_SHIFT (4)
+/* S3C2443_CLKDIV1 removed, only used in clock.c code */
 
 #define S3C2443_CLKCON_NAND
 
diff --git a/arch/arm/mach-s3c2410/include/mach/spi-gpio.h b/arch/arm/mach-s3c2410/include/mach/spi-gpio.h
index 980a099e209c..dcef2287cb38 100644
--- a/arch/arm/mach-s3c2410/include/mach/spi-gpio.h
+++ b/arch/arm/mach-s3c2410/include/mach/spi-gpio.h
@@ -3,7 +3,7 @@
  * Copyright (c) 2006 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
  *
- * S3C2410 - SPI Controller platfrom_device info
+ * S3C2410 - SPI Controller platform_device info
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
diff --git a/arch/arm/plat-s3c/include/mach/timex.h b/arch/arm/mach-s3c2410/include/mach/timex.h
index 2a425ed0a7e0..fe9ca1ffd51b 100644
--- a/arch/arm/plat-s3c/include/mach/timex.h
+++ b/arch/arm/mach-s3c2410/include/mach/timex.h
@@ -19,8 +19,6 @@
  * for the time conversion functions to/from jiffies is acceptable.
 */
 
-
 #define CLOCK_TICK_RATE 12000000
 
-
 #endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/plat-s3c/include/mach/vmalloc.h b/arch/arm/mach-s3c2410/include/mach/vmalloc.h
index 299d95f365c9..315b0078a34d 100644
--- a/arch/arm/plat-s3c/include/mach/vmalloc.h
+++ b/arch/arm/mach-s3c2410/include/mach/vmalloc.h
@@ -1,4 +1,4 @@
-/* arch/arm/plat-s3c/include/mach/vmalloc.h
+/* arch/arm/mach-s3c2410/include/mach/vmalloc.h
  *
  * from arch/arm/mach-iop3xx/include/mach/vmalloc.h
  *
@@ -15,6 +15,6 @@
 #ifndef __ASM_ARCH_VMALLOC_H
 #define __ASM_ARCH_VMALLOC_H
 
-#define VMALLOC_END	  (0xe0000000UL)
+#define VMALLOC_END	  (0xE0000000)
 
 #endif /* __ASM_ARCH_VMALLOC_H */
diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c
index 06a84adfb13f..7047317ed7f4 100644
--- a/arch/arm/mach-s3c2410/mach-amlm5900.c
+++ b/arch/arm/mach-s3c2410/mach-amlm5900.c
@@ -153,7 +153,7 @@ static struct platform_device *amlm5900_devices[] __initdata = {
 	&s3c_device_adc,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
-	&s3c_device_usb,
+	&s3c_device_ohci,
  	&s3c_device_rtc,
 	&s3c_device_usbgadget,
         &s3c_device_sdi,
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 97162fdd0590..02b1b6220cba 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -584,7 +584,7 @@ static struct s3c_hwmon_pdata bast_hwmon_info = {
 // cat /sys/devices/platform/s3c24xx-adc/s3c-hwmon/in_0
 
 static struct platform_device *bast_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_lcd,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 1e34abe1a19e..fbedd0760941 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -196,7 +196,7 @@ static struct platform_device h1940_device_bluetooth = {
 	.id               = -1,
 };
 
-static struct s3c24xx_mci_pdata h1940_mmc_cfg = {
+static struct s3c24xx_mci_pdata h1940_mmc_cfg __initdata = {
 	.gpio_detect   = S3C2410_GPF(5),
 	.gpio_wprotect = S3C2410_GPH(8),
 	.set_power     = NULL,
@@ -272,7 +272,7 @@ static struct platform_device h1940_lcd_powerdev = {
 
 static struct platform_device *h1940_devices[] __initdata = {
 	&s3c_device_ts,
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_lcd,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
@@ -311,12 +311,11 @@ static void __init h1940_init(void)
 	u32 tmp;
 
 	s3c24xx_fb_set_platdata(&h1940_fb_info);
+	s3c24xx_mci_set_platdata(&h1940_mmc_cfg);
  	s3c24xx_udc_set_platdata(&h1940_udc_cfg);
 	s3c24xx_ts_set_platdata(&h1940_ts_cfg);
 	s3c_i2c0_set_platdata(NULL);
 
-	s3c_device_sdi.dev.platform_data = &h1940_mmc_cfg;
-
 	/* Turn off suspend on both USB ports, and switch the
 	 * selectable USB port to USB device mode. */
 
diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c
index 0405712c2263..684710f88142 100644
--- a/arch/arm/mach-s3c2410/mach-n30.c
+++ b/arch/arm/mach-s3c2410/mach-n30.c
@@ -322,7 +322,7 @@ static struct platform_device *n30_devices[] __initdata = {
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
 	&s3c_device_iis,
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_usbgadget,
 	&n30_button_device,
 	&n30_blue_led,
diff --git a/arch/arm/mach-s3c2410/mach-otom.c b/arch/arm/mach-s3c2410/mach-otom.c
index f6c7261a4a12..d8c7f2efc1a7 100644
--- a/arch/arm/mach-s3c2410/mach-otom.c
+++ b/arch/arm/mach-s3c2410/mach-otom.c
@@ -92,7 +92,7 @@ static struct platform_device otom_device_nor = {
 /* Standard OTOM devices */
 
 static struct platform_device *otom11_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_lcd,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
diff --git a/arch/arm/mach-s3c2410/mach-qt2410.c b/arch/arm/mach-s3c2410/mach-qt2410.c
index ab092bcda393..92a4ec375d82 100644
--- a/arch/arm/mach-s3c2410/mach-qt2410.c
+++ b/arch/arm/mach-s3c2410/mach-qt2410.c
@@ -246,7 +246,7 @@ static struct platform_device qt2410_spi = {
 /* Board devices */
 
 static struct platform_device *qt2410_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_lcd,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
diff --git a/arch/arm/mach-s3c2410/mach-smdk2410.c b/arch/arm/mach-s3c2410/mach-smdk2410.c
index c49126ccb1d5..452223042201 100644
--- a/arch/arm/mach-s3c2410/mach-smdk2410.c
+++ b/arch/arm/mach-s3c2410/mach-smdk2410.c
@@ -87,7 +87,7 @@ static struct s3c2410_uartcfg smdk2410_uartcfgs[] __initdata = {
 };
 
 static struct platform_device *smdk2410_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_lcd,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
diff --git a/arch/arm/mach-s3c2410/mach-tct_hammer.c b/arch/arm/mach-s3c2410/mach-tct_hammer.c
index 8fdb0430bd48..929164a8e9b1 100644
--- a/arch/arm/mach-s3c2410/mach-tct_hammer.c
+++ b/arch/arm/mach-s3c2410/mach-tct_hammer.c
@@ -129,7 +129,7 @@ static struct platform_device *tct_hammer_devices[] __initdata = {
 	&s3c_device_adc,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_rtc,
 	&s3c_device_usbgadget,
 	&s3c_device_sdi,
diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c
index 0d61fb577170..9051f0d31123 100644
--- a/arch/arm/mach-s3c2410/mach-vr1000.c
+++ b/arch/arm/mach-s3c2410/mach-vr1000.c
@@ -334,7 +334,7 @@ static struct i2c_board_info vr1000_i2c_devs[] __initdata = {
 /* devices for this board */
 
 static struct platform_device *vr1000_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_lcd,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
diff --git a/arch/arm/mach-s3c2410/usb-simtec.c b/arch/arm/mach-s3c2410/usb-simtec.c
index 6b9d0d83a6f9..29bd3d987bec 100644
--- a/arch/arm/mach-s3c2410/usb-simtec.c
+++ b/arch/arm/mach-s3c2410/usb-simtec.c
@@ -91,7 +91,7 @@ static void usb_simtec_enableoc(struct s3c2410_hcd_info *info, int on)
 	}
 }
 
-static struct s3c2410_hcd_info usb_simtec_info = {
+static struct s3c2410_hcd_info usb_simtec_info __initdata = {
 	.port[0]	= {
 		.flags	= S3C_HCDFLG_USED
 	},
@@ -127,6 +127,6 @@ int usb_simtec_init(void)
 	gpio_direction_output(S3C2410_GPB(4), 1);
 	gpio_direction_input(S3C2410_GPG(10));
 
-	s3c_device_usb.dev.platform_data = &usb_simtec_info;
+	s3c_ohci_set_platdata(&usb_simtec_info);
 	return 0;
 }
diff --git a/arch/arm/mach-s3c2412/clock.c b/arch/arm/mach-s3c2412/clock.c
index a037df5e1c2d..0c0505b025cb 100644
--- a/arch/arm/mach-s3c2412/clock.c
+++ b/arch/arm/mach-s3c2412/clock.c
@@ -124,7 +124,9 @@ static struct clk clk_usysclk = {
 	.name		= "usysclk",
 	.id		= -1,
 	.parent		= &clk_xtal,
-	.set_parent	= s3c2412_setparent_usysclk,
+	.ops		= &(struct clk_ops) {
+		.set_parent	= s3c2412_setparent_usysclk,
+	},
 };
 
 static struct clk clk_mrefclk = {
@@ -199,10 +201,12 @@ static int s3c2412_setrate_usbsrc(struct clk *clk, unsigned long rate)
 static struct clk clk_usbsrc = {
 	.name		= "usbsrc",
 	.id		= -1,
-	.get_rate	= s3c2412_getrate_usbsrc,
-	.set_rate	= s3c2412_setrate_usbsrc,
-	.round_rate	= s3c2412_roundrate_usbsrc,
-	.set_parent	= s3c2412_setparent_usbsrc,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s3c2412_getrate_usbsrc,
+		.set_rate	= s3c2412_setrate_usbsrc,
+		.round_rate	= s3c2412_roundrate_usbsrc,
+		.set_parent	= s3c2412_setparent_usbsrc,
+	},
 };
 
 static int s3c2412_setparent_msysclk(struct clk *clk, struct clk *parent)
@@ -225,7 +229,9 @@ static int s3c2412_setparent_msysclk(struct clk *clk, struct clk *parent)
 static struct clk clk_msysclk = {
 	.name		= "msysclk",
 	.id		= -1,
-	.set_parent	= s3c2412_setparent_msysclk,
+	.ops		= &(struct clk_ops) {
+		.set_parent	= s3c2412_setparent_msysclk,
+	},
 };
 
 static int s3c2412_setparent_armclk(struct clk *clk, struct clk *parent)
@@ -264,7 +270,9 @@ static struct clk clk_armclk = {
 	.name		= "armclk",
 	.id		= -1,
 	.parent		= &clk_msysclk,
-	.set_parent	= s3c2412_setparent_armclk,
+	.ops		= &(struct clk_ops) {
+		.set_parent	= s3c2412_setparent_armclk,
+	},
 };
 
 /* these next clocks have an divider immediately after them,
@@ -337,10 +345,12 @@ static int s3c2412_setrate_uart(struct clk *clk, unsigned long rate)
 static struct clk clk_uart = {
 	.name		= "uartclk",
 	.id		= -1,
-	.get_rate	= s3c2412_getrate_uart,
-	.set_rate	= s3c2412_setrate_uart,
-	.set_parent	= s3c2412_setparent_uart,
-	.round_rate	= s3c2412_roundrate_clksrc,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s3c2412_getrate_uart,
+		.set_rate	= s3c2412_setrate_uart,
+		.set_parent	= s3c2412_setparent_uart,
+		.round_rate	= s3c2412_roundrate_clksrc,
+	},
 };
 
 static int s3c2412_setparent_i2s(struct clk *clk, struct clk *parent)
@@ -388,10 +398,12 @@ static int s3c2412_setrate_i2s(struct clk *clk, unsigned long rate)
 static struct clk clk_i2s = {
 	.name		= "i2sclk",
 	.id		= -1,
-	.get_rate	= s3c2412_getrate_i2s,
-	.set_rate	= s3c2412_setrate_i2s,
-	.set_parent	= s3c2412_setparent_i2s,
-	.round_rate	= s3c2412_roundrate_clksrc,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s3c2412_getrate_i2s,
+		.set_rate	= s3c2412_setrate_i2s,
+		.set_parent	= s3c2412_setparent_i2s,
+		.round_rate	= s3c2412_roundrate_clksrc,
+	},
 };
 
 static int s3c2412_setparent_cam(struct clk *clk, struct clk *parent)
@@ -438,10 +450,12 @@ static int s3c2412_setrate_cam(struct clk *clk, unsigned long rate)
 static struct clk clk_cam = {
 	.name		= "camif-upll",	/* same as 2440 name */
 	.id		= -1,
-	.get_rate	= s3c2412_getrate_cam,
-	.set_rate	= s3c2412_setrate_cam,
-	.set_parent	= s3c2412_setparent_cam,
-	.round_rate	= s3c2412_roundrate_clksrc,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s3c2412_getrate_cam,
+		.set_rate	= s3c2412_setrate_cam,
+		.set_parent	= s3c2412_setparent_cam,
+		.round_rate	= s3c2412_roundrate_clksrc,
+	},
 };
 
 /* standard clock definitions */
diff --git a/arch/arm/mach-s3c2412/dma.c b/arch/arm/mach-s3c2412/dma.c
index f8d16fc10bc6..e880524904eb 100644
--- a/arch/arm/mach-s3c2412/dma.c
+++ b/arch/arm/mach-s3c2412/dma.c
@@ -20,7 +20,7 @@
 
 #include <mach/dma.h>
 
-#include <plat/dma-plat.h>
+#include <plat/dma-s3c24xx.h>
 #include <plat/cpu.h>
 
 #include <plat/regs-serial.h>
diff --git a/arch/arm/mach-s3c2412/mach-jive.c b/arch/arm/mach-s3c2412/mach-jive.c
index c9fa3fca486c..14f4798291aa 100644
--- a/arch/arm/mach-s3c2412/mach-jive.c
+++ b/arch/arm/mach-s3c2412/mach-jive.c
@@ -468,7 +468,7 @@ static struct i2c_board_info jive_i2c_devs[] __initdata = {
 /* The platform devices being used. */
 
 static struct platform_device *jive_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_rtc,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
diff --git a/arch/arm/mach-s3c2412/mach-smdk2413.c b/arch/arm/mach-s3c2412/mach-smdk2413.c
index 9a5e43419722..0392065af1af 100644
--- a/arch/arm/mach-s3c2412/mach-smdk2413.c
+++ b/arch/arm/mach-s3c2412/mach-smdk2413.c
@@ -104,8 +104,7 @@ static struct s3c2410_udc_mach_info smdk2413_udc_cfg __initdata = {
 
 
 static struct platform_device *smdk2413_devices[] __initdata = {
-	&s3c_device_usb,
-	//&s3c_device_lcd,
+	&s3c_device_ohci,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
 	&s3c_device_iis,
diff --git a/arch/arm/mach-s3c2412/mach-vstms.c b/arch/arm/mach-s3c2412/mach-vstms.c
index a6ba591b26bb..3ca9265b6997 100644
--- a/arch/arm/mach-s3c2412/mach-vstms.c
+++ b/arch/arm/mach-s3c2412/mach-vstms.c
@@ -121,7 +121,7 @@ static struct s3c2410_platform_nand __initdata vstms_nand_info = {
 };
 
 static struct platform_device *vstms_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
 	&s3c_device_iis,
diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig
index 80879358eb2f..7f465265cf04 100644
--- a/arch/arm/mach-s3c2440/Kconfig
+++ b/arch/arm/mach-s3c2440/Kconfig
@@ -15,14 +15,67 @@ config CPU_S3C2440
 	help
 	  Support for S3C2440 Samsung Mobile CPU based systems.
 
+config CPU_S3C2442
+	bool
+	depends on ARCH_S3C2410
+	select CPU_ARM920T
+	select S3C2410_CLOCK
+	select S3C2410_GPIO
+	select S3C2410_PM if PM
+	select CPU_S3C244X
+	select CPU_LLSERIAL_S3C2440
+	help
+	  Support for S3C2442 Samsung Mobile CPU based systems.
+
+config CPU_S3C244X
+	bool
+	depends on ARCH_S3C2410 && (CPU_S3C2440 || CPU_S3C2442)
+	help
+	  Support for S3C2440 and S3C2442 Samsung Mobile CPU based systems.
+
+
+
+config S3C2440_CPUFREQ
+	bool "S3C2440/S3C2442 CPU Frequency scaling support"
+	depends on CPU_FREQ_S3C24XX && (CPU_S3C2440 || CPU_S3C2442)
+	select S3C2410_CPUFREQ_UTILS
+	default y
+	help
+	  CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
+
+config S3C2440_XTAL_12000000
+	bool
+	help
+	  Indicate that the build needs to support 12MHz system
+	  crystal.
+
+config S3C2440_XTAL_16934400
+	bool
+	help
+	  Indicate that the build needs to support 16.9344MHz system
+	  crystal.
+
+config S3C2440_PLL_12000000
+	bool
+	depends on S3C2440_CPUFREQ && S3C2440_XTAL_12000000
+	default y if CPU_FREQ_S3C24XX_PLL
+	help
+	  PLL tables for S3C2440 or S3C2442 CPUs with 12MHz crystals.
+
+config S3C2440_PLL_16934400
+	bool
+	depends on S3C2440_CPUFREQ && S3C2440_XTAL_16934400
+	default y if CPU_FREQ_S3C24XX_PLL
+	help
+	  PLL tables for S3C2440 or S3C2442 CPUs with 16.934MHz crystals.
+
 config S3C2440_DMA
 	bool
 	depends on ARCH_S3C2410 && CPU_S3C24405B
 	help
 	  Support for S3C2440 specific DMA code5A
 
-
-menu "S3C2440 Machines"
+menu "S3C2440 and S3C2442 Machines"
 
 config MACH_ANUBIS
 	bool "Simtec Electronics ANUBIS"
@@ -37,6 +90,18 @@ config MACH_ANUBIS
 	  Say Y here if you are using the Simtec Electronics ANUBIS
 	  development system
 
+config MACH_NEO1973_GTA02
+	bool "Openmoko GTA02 / Freerunner phone"
+	select CPU_S3C2442
+	select MFD_PCF50633
+	select PCF50633_GPIO
+	select I2C
+	select POWER_SUPPLY
+	select MACH_NEO1973
+	select S3C2410_PWM
+	help
+	   Say Y here if you are using the Openmoko GTA02 / Freerunner GSM Phone
+
 config MACH_OSIRIS
 	bool "Simtec IM2440D20 (OSIRIS) module"
 	select CPU_S3C2440
@@ -94,11 +159,14 @@ config MACH_NEXCODER_2440
 
 config SMDK2440_CPU2440
 	bool "SMDK2440 with S3C2440 CPU module"
-	depends on ARCH_S3C2440
 	default y if ARCH_S3C2440
 	select S3C2440_XTAL_16934400
 	select CPU_S3C2440
 
+config SMDK2440_CPU2442
+	bool "SMDM2440 with S3C2442 CPU module"
+	select CPU_S3C2442
+
 config MACH_AT2440EVB
 	bool "Avantech AT2440EVB development board"
 	select CPU_S3C2440
diff --git a/arch/arm/mach-s3c2440/Makefile b/arch/arm/mach-s3c2440/Makefile
index 5f3224531885..c85ba32d8956 100644
--- a/arch/arm/mach-s3c2440/Makefile
+++ b/arch/arm/mach-s3c2440/Makefile
@@ -10,10 +10,20 @@ obj-n				:=
 obj-				:=
 
 obj-$(CONFIG_CPU_S3C2440)	+= s3c2440.o dsc.o
+obj-$(CONFIG_CPU_S3C2442)	+= s3c2442.o
+
 obj-$(CONFIG_CPU_S3C2440)	+= irq.o
 obj-$(CONFIG_CPU_S3C2440)	+= clock.o
 obj-$(CONFIG_S3C2440_DMA)	+= dma.o
 
+obj-$(CONFIG_CPU_S3C244X)	+= s3c244x.o
+obj-$(CONFIG_CPU_S3C244X)	+= s3c244x-irq.o
+obj-$(CONFIG_CPU_S3C244X)	+= s3c244x-clock.o
+obj-$(CONFIG_S3C2440_CPUFREQ)	+= s3c2440-cpufreq.o
+
+obj-$(CONFIG_S3C2440_PLL_12000000) += s3c2440-pll-12000000.o
+obj-$(CONFIG_S3C2440_PLL_16934400) += s3c2440-pll-16934400.o
+
 # Machine support
 
 obj-$(CONFIG_MACH_ANUBIS)	+= mach-anubis.o
@@ -23,6 +33,7 @@ obj-$(CONFIG_ARCH_S3C2440)	+= mach-smdk2440.o
 obj-$(CONFIG_MACH_NEXCODER_2440) += mach-nexcoder.o
 obj-$(CONFIG_MACH_AT2440EVB) += mach-at2440evb.o
 obj-$(CONFIG_MACH_MINI2440) += mach-mini2440.o
+obj-$(CONFIG_MACH_NEO1973_GTA02) += mach-gta02.o
 
 # extra machine support
 
diff --git a/arch/arm/mach-s3c2440/clock.c b/arch/arm/mach-s3c2440/clock.c
index d1c29b2537cd..3dc2426e2345 100644
--- a/arch/arm/mach-s3c2440/clock.c
+++ b/arch/arm/mach-s3c2440/clock.c
@@ -98,8 +98,10 @@ static struct clk s3c2440_clk_cam = {
 static struct clk s3c2440_clk_cam_upll = {
 	.name		= "camif-upll",
 	.id		= -1,
-	.set_rate	= s3c2440_camif_upll_setrate,
-	.round_rate	= s3c2440_camif_upll_round,
+	.ops		= &(struct clk_ops) {
+		.set_rate	= s3c2440_camif_upll_setrate,
+		.round_rate	= s3c2440_camif_upll_round,
+	},
 };
 
 static struct clk s3c2440_clk_ac97 = {
diff --git a/arch/arm/mach-s3c2440/dma.c b/arch/arm/mach-s3c2440/dma.c
index e08e081430f0..3b0529f54e9c 100644
--- a/arch/arm/mach-s3c2440/dma.c
+++ b/arch/arm/mach-s3c2440/dma.c
@@ -20,7 +20,7 @@
 #include <mach/map.h>
 #include <mach/dma.h>
 
-#include <plat/dma-plat.h>
+#include <plat/dma-s3c24xx.h>
 #include <plat/cpu.h>
 
 #include <plat/regs-serial.h>
diff --git a/arch/arm/mach-s3c2440/dsc.c b/arch/arm/mach-s3c2440/dsc.c
index 554044272771..9ea66e31f626 100644
--- a/arch/arm/mach-s3c2440/dsc.c
+++ b/arch/arm/mach-s3c2440/dsc.c
@@ -28,7 +28,7 @@
 #include <mach/regs-dsc.h>
 
 #include <plat/cpu.h>
-#include <plat/s3c2440.h>
+#include <plat/s3c244x.h>
 
 int s3c2440_set_dsc(unsigned int pin, unsigned int value)
 {
diff --git a/arch/arm/mach-s3c2442/include/mach/gta02.h b/arch/arm/mach-s3c2440/include/mach/gta02.h
index 953331d8d56a..953331d8d56a 100644
--- a/arch/arm/mach-s3c2442/include/mach/gta02.h
+++ b/arch/arm/mach-s3c2440/include/mach/gta02.h
diff --git a/arch/arm/mach-s3c2440/mach-anubis.c b/arch/arm/mach-s3c2440/mach-anubis.c
index 62a4c3eba97f..b73f78a9da5c 100644
--- a/arch/arm/mach-s3c2440/mach-anubis.c
+++ b/arch/arm/mach-s3c2440/mach-anubis.c
@@ -409,7 +409,7 @@ static struct platform_device anubis_device_sm501 = {
 /* Standard Anubis devices */
 
 static struct platform_device *anubis_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_wdt,
 	&s3c_device_adc,
 	&s3c_device_i2c0,
diff --git a/arch/arm/mach-s3c2440/mach-at2440evb.c b/arch/arm/mach-s3c2440/mach-at2440evb.c
index aa69290e04c6..84725791e6bf 100644
--- a/arch/arm/mach-s3c2440/mach-at2440evb.c
+++ b/arch/arm/mach-s3c2440/mach-at2440evb.c
@@ -165,7 +165,7 @@ static struct platform_device at2440evb_device_eth = {
 	},
 };
 
-static struct s3c24xx_mci_pdata at2440evb_mci_pdata = {
+static struct s3c24xx_mci_pdata at2440evb_mci_pdata __initdata = {
 	.gpio_detect	= S3C2410_GPG(10),
 };
 
@@ -203,7 +203,7 @@ static struct s3c2410fb_mach_info at2440evb_fb_info __initdata = {
 };
 
 static struct platform_device *at2440evb_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_wdt,
 	&s3c_device_adc,
 	&s3c_device_i2c0,
@@ -216,8 +216,6 @@ static struct platform_device *at2440evb_devices[] __initdata = {
 
 static void __init at2440evb_map_io(void)
 {
-	s3c_device_sdi.dev.platform_data = &at2440evb_mci_pdata;
-
 	s3c24xx_init_io(at2440evb_iodesc, ARRAY_SIZE(at2440evb_iodesc));
 	s3c24xx_init_clocks(16934400);
 	s3c24xx_init_uarts(at2440evb_uartcfgs, ARRAY_SIZE(at2440evb_uartcfgs));
@@ -226,6 +224,7 @@ static void __init at2440evb_map_io(void)
 static void __init at2440evb_init(void)
 {
 	s3c24xx_fb_set_platdata(&at2440evb_fb_info);
+	s3c24xx_mci_set_platdata(&at2440evb_mci_pdata);
 	s3c_nand_set_platdata(&at2440evb_nand_info);
 	s3c_i2c0_set_platdata(NULL);
 
diff --git a/arch/arm/mach-s3c2442/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
index 0b4a3a03071f..45799c608d8f 100644
--- a/arch/arm/mach-s3c2442/mach-gta02.c
+++ b/arch/arm/mach-s3c2440/mach-gta02.c
@@ -544,7 +544,7 @@ static struct platform_device gta02_bl_dev = {
 
 
 /* USB */
-static struct s3c2410_hcd_info gta02_usb_info = {
+static struct s3c2410_hcd_info gta02_usb_info __initdata = {
 	.port[0]	= {
 		.flags	= S3C_HCDFLG_USED,
 	},
@@ -565,7 +565,7 @@ static void __init gta02_map_io(void)
 /* These are the guys that don't need to be children of PMU. */
 
 static struct platform_device *gta02_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_wdt,
 	&s3c_device_sdi,
 	&s3c_device_usbgadget,
@@ -623,9 +623,8 @@ static void __init gta02_machine_init(void)
 	INIT_DELAYED_WORK(&gta02_charger_work, gta02_charger_worker);
 #endif
 
-	s3c_device_usb.dev.platform_data = &gta02_usb_info;
-
 	s3c24xx_udc_set_platdata(&gta02_udc_cfg);
+	s3c_ohci_set_platdata(&gta02_usb_info);
 	s3c_nand_set_platdata(&gta02_nand_info);
 	s3c_i2c0_set_platdata(NULL);
 
diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c
index 2068e9096a43..571b17683d96 100644
--- a/arch/arm/mach-s3c2440/mach-mini2440.c
+++ b/arch/arm/mach-s3c2440/mach-mini2440.c
@@ -506,9 +506,8 @@ static struct i2c_board_info mini2440_i2c_devs[] __initdata = {
 };
 
 static struct platform_device *mini2440_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_wdt,
-/*	&s3c_device_adc,*/ /* ADC doesn't like living with touchscreen ! */
 	&s3c_device_i2c0,
 	&s3c_device_rtc,
 	&s3c_device_usbgadget,
@@ -522,8 +521,6 @@ static struct platform_device *mini2440_devices[] __initdata = {
 	&s3c_device_sdi,
 	&s3c_device_iis,
 	&mini2440_audio,
-/*	&s3c_device_timer[0],*/	/* buzzer pwm, no API for it */
-	/* remaining devices are optional */
 };
 
 static void __init mini2440_map_io(void)
@@ -531,8 +528,6 @@ static void __init mini2440_map_io(void)
 	s3c24xx_init_io(mini2440_iodesc, ARRAY_SIZE(mini2440_iodesc));
 	s3c24xx_init_clocks(12000000);
 	s3c24xx_init_uarts(mini2440_uartcfgs, ARRAY_SIZE(mini2440_uartcfgs));
-
-	s3c_device_sdi.dev.platform_data = &mini2440_mmc_cfg;
 }
 
 /*
@@ -678,6 +673,7 @@ static void __init mini2440_init(void)
 	}
 
 	s3c24xx_udc_set_platdata(&mini2440_udc_cfg);
+	s3c24xx_mci_set_platdata(&mini2440_mmc_cfg);
 	s3c_nand_set_platdata(&mini2440_nand_info);
 	s3c_i2c0_set_platdata(NULL);
 
diff --git a/arch/arm/mach-s3c2440/mach-nexcoder.c b/arch/arm/mach-s3c2440/mach-nexcoder.c
index d43edede590e..342041593f22 100644
--- a/arch/arm/mach-s3c2440/mach-nexcoder.c
+++ b/arch/arm/mach-s3c2440/mach-nexcoder.c
@@ -41,7 +41,7 @@
 #include <plat/iic.h>
 
 #include <plat/s3c2410.h>
-#include <plat/s3c2440.h>
+#include <plat/s3c244x.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
@@ -106,7 +106,7 @@ static struct platform_device nexcoder_device_nor = {
 /* Standard Nexcoder devices */
 
 static struct platform_device *nexcoder_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_lcd,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
diff --git a/arch/arm/mach-s3c2440/mach-rx3715.c b/arch/arm/mach-s3c2440/mach-rx3715.c
index a952a13afb1f..1e836e506f8b 100644
--- a/arch/arm/mach-s3c2440/mach-rx3715.c
+++ b/arch/arm/mach-s3c2440/mach-rx3715.c
@@ -176,7 +176,7 @@ static struct s3c2410_platform_nand __initdata rx3715_nand_info = {
 };
 
 static struct platform_device *rx3715_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_lcd,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
diff --git a/arch/arm/mach-s3c2440/mach-smdk2440.c b/arch/arm/mach-s3c2440/mach-smdk2440.c
index ec13e748ccc5..3ac3d636d615 100644
--- a/arch/arm/mach-s3c2440/mach-smdk2440.c
+++ b/arch/arm/mach-s3c2440/mach-smdk2440.c
@@ -40,7 +40,7 @@
 #include <plat/iic.h>
 
 #include <plat/s3c2410.h>
-#include <plat/s3c2440.h>
+#include <plat/s3c244x.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
@@ -150,7 +150,7 @@ static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
 };
 
 static struct platform_device *smdk2440_devices[] __initdata = {
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_lcd,
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
diff --git a/arch/arm/plat-s3c24xx/s3c2440-cpufreq.c b/arch/arm/mach-s3c2440/s3c2440-cpufreq.c
index 976002fb1b8f..976002fb1b8f 100644
--- a/arch/arm/plat-s3c24xx/s3c2440-cpufreq.c
+++ b/arch/arm/mach-s3c2440/s3c2440-cpufreq.c
diff --git a/arch/arm/plat-s3c24xx/s3c2440-pll-12000000.c b/arch/arm/mach-s3c2440/s3c2440-pll-12000000.c
index 49f65032f2c0..f105d5e8c477 100644
--- a/arch/arm/plat-s3c24xx/s3c2440-pll-12000000.c
+++ b/arch/arm/mach-s3c2440/s3c2440-pll-12000000.c
@@ -1,4 +1,4 @@
-/* arch/arm/plat-s3c24xx/s3c2440-pll-12000000.c
+/* arch/arm/mach-s3c2440/s3c2440-pll-12000000.c
  *
  * Copyright (c) 2006-2007 Simtec Electronics
  *	http://armlinux.simtec.co.uk/
diff --git a/arch/arm/plat-s3c24xx/s3c2440-pll-16934400.c b/arch/arm/mach-s3c2440/s3c2440-pll-16934400.c
index 7679af13a94d..c8a8f90ef382 100644
--- a/arch/arm/plat-s3c24xx/s3c2440-pll-16934400.c
+++ b/arch/arm/mach-s3c2440/s3c2440-pll-16934400.c
@@ -1,4 +1,4 @@
-/* arch/arm/plat-s3c24xx/s3c2440-pll-16934400.c
+/* arch/arm/mach-s3c2440/s3c2440-pll-16934400.c
  *
  * Copyright (c) 2006-2008 Simtec Electronics
  *	http://armlinux.simtec.co.uk/
diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c
index ac1f7ea5f405..2b68f7ea45ae 100644
--- a/arch/arm/mach-s3c2440/s3c2440.c
+++ b/arch/arm/mach-s3c2440/s3c2440.c
@@ -29,9 +29,9 @@
 #include <mach/hardware.h>
 #include <asm/irq.h>
 
-#include <plat/s3c2440.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
+#include <plat/s3c244x.h>
 
 static struct sys_device s3c2440_sysdev = {
 	.cls		= &s3c2440_sysclass,
diff --git a/arch/arm/mach-s3c2442/clock.c b/arch/arm/mach-s3c2440/s3c2442.c
index ea1aa1f5157a..188ad1e57dc0 100644
--- a/arch/arm/mach-s3c2442/clock.c
+++ b/arch/arm/mach-s3c2440/s3c2442.c
@@ -1,10 +1,10 @@
-/* linux/arch/arm/mach-s3c2442/clock.c
+/* linux/arch/arm/mach-s3c2442/s3c2442.c
  *
  * Copyright (c) 2004-2005 Simtec Electronics
  *	http://armlinux.simtec.co.uk/
  *	Ben Dooks <ben@simtec.co.uk>
  *
- * S3C2442 Clock support
+ * S3C2442 core and lock support
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -109,8 +109,10 @@ static struct clk s3c2442_clk_cam = {
 static struct clk s3c2442_clk_cam_upll = {
 	.name		= "camif-upll",
 	.id		= -1,
-	.set_rate	= s3c2442_camif_upll_setrate,
-	.round_rate	= s3c2442_camif_upll_round,
+	.ops		= &(struct clk_ops) {
+		.set_rate	= s3c2442_camif_upll_setrate,
+		.round_rate	= s3c2442_camif_upll_round,
+	},
 };
 
 static int s3c2442_clk_add(struct sys_device *sysdev)
@@ -149,3 +151,15 @@ static __init int s3c2442_clk_init(void)
 }
 
 arch_initcall(s3c2442_clk_init);
+
+
+static struct sys_device s3c2442_sysdev = {
+	.cls		= &s3c2442_sysclass,
+};
+
+int __init s3c2442_init(void)
+{
+	printk("S3C2442: Initialising architecture\n");
+
+	return sysdev_register(&s3c2442_sysdev);
+}
diff --git a/arch/arm/plat-s3c24xx/s3c244x-clock.c b/arch/arm/mach-s3c2440/s3c244x-clock.c
index 79371091aa38..f8d96130d1d1 100644
--- a/arch/arm/plat-s3c24xx/s3c244x-clock.c
+++ b/arch/arm/mach-s3c2440/s3c244x-clock.c
@@ -68,7 +68,9 @@ static int s3c2440_setparent_armclk(struct clk *clk, struct clk *parent)
 static struct clk clk_arm = {
 	.name		= "armclk",
 	.id		= -1,
-	.set_parent	= s3c2440_setparent_armclk,
+	.ops		= &(struct clk_ops) {
+		.set_parent	= s3c2440_setparent_armclk,
+	},
 };
 
 static int s3c244x_clk_add(struct sys_device *sysdev)
diff --git a/arch/arm/plat-s3c24xx/s3c244x-irq.c b/arch/arm/mach-s3c2440/s3c244x-irq.c
index a75c0c2431ea..a75c0c2431ea 100644
--- a/arch/arm/plat-s3c24xx/s3c244x-irq.c
+++ b/arch/arm/mach-s3c2440/s3c244x-irq.c
diff --git a/arch/arm/plat-s3c24xx/s3c244x.c b/arch/arm/mach-s3c2440/s3c244x.c
index 12623a474b54..5e4a97e76533 100644
--- a/arch/arm/plat-s3c24xx/s3c244x.c
+++ b/arch/arm/mach-s3c2440/s3c244x.c
@@ -38,8 +38,7 @@
 #include <mach/regs-dsc.h>
 
 #include <plat/s3c2410.h>
-#include <plat/s3c2440.h>
-#include "s3c244x.h"
+#include <plat/s3c244x.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c2442/Kconfig b/arch/arm/mach-s3c2442/Kconfig
deleted file mode 100644
index 8d3811852fc7..000000000000
--- a/arch/arm/mach-s3c2442/Kconfig
+++ /dev/null
@@ -1,37 +0,0 @@
-# Copyright 2007 Simtec Electronics
-#
-# Licensed under GPLv2
-
-config CPU_S3C2442
-	bool
-	depends on ARCH_S3C2410
-	select CPU_ARM920T
-	select S3C2410_CLOCK
-	select S3C2410_GPIO
-	select S3C2410_PM if PM
-	select CPU_S3C244X
-	select CPU_LLSERIAL_S3C2440
-	help
-	  Support for S3C2442 Samsung Mobile CPU based systems.
-
-
-menu "S3C2442 Machines"
-
-config SMDK2440_CPU2442
-	bool "SMDM2440 with S3C2442 CPU module"
-	depends on ARCH_S3C2440
-	select CPU_S3C2442
-
-config MACH_NEO1973_GTA02
-	bool "Openmoko GTA02 / Freerunner phone"
-	select CPU_S3C2442
-	select MFD_PCF50633
-	select PCF50633_GPIO
-	select I2C
-	select POWER_SUPPLY
-	select MACH_NEO1973
-	select S3C2410_PWM
-	help
-	   Say Y here if you are using the Openmoko GTA02 / Freerunner GSM Phone
-
-endmenu
diff --git a/arch/arm/mach-s3c2442/Makefile b/arch/arm/mach-s3c2442/Makefile
deleted file mode 100644
index 2a19113a5769..000000000000
--- a/arch/arm/mach-s3c2442/Makefile
+++ /dev/null
@@ -1,18 +0,0 @@
-# arch/arm/mach-s3c2442/Makefile
-#
-# Copyright 2007 Simtec Electronics
-#
-# Licensed under GPLv2
-
-obj-y				:=
-obj-m				:=
-obj-n				:=
-obj-				:=
-
-obj-$(CONFIG_CPU_S3C2442)	+= s3c2442.o
-obj-$(CONFIG_CPU_S3C2442)	+= clock.o
-
-obj-$(CONFIG_MACH_NEO1973_GTA02) += mach-gta02.o
-
-# Machine support
-
diff --git a/arch/arm/mach-s3c2442/s3c2442.c b/arch/arm/mach-s3c2442/s3c2442.c
deleted file mode 100644
index 4663bdc7fff6..000000000000
--- a/arch/arm/mach-s3c2442/s3c2442.c
+++ /dev/null
@@ -1,34 +0,0 @@
-/* linux/arch/arm/mach-s3c2442/s3c2442.c
- *
- * Copyright (c) 2006 Simtec Electronics
- *   Ben Dooks <ben@simtec.co.uk>
- *
- * Samsung S3C2442 Mobile CPU support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/list.h>
-#include <linux/timer.h>
-#include <linux/init.h>
-#include <linux/serial_core.h>
-#include <linux/sysdev.h>
-
-#include <plat/s3c2442.h>
-#include <plat/cpu.h>
-
-static struct sys_device s3c2442_sysdev = {
-	.cls		= &s3c2442_sysclass,
-};
-
-int __init s3c2442_init(void)
-{
-	printk("S3C2442: Initialising architecture\n");
-
-	return sysdev_register(&s3c2442_sysdev);
-}
diff --git a/arch/arm/mach-s3c2443/Kconfig b/arch/arm/mach-s3c2443/Kconfig
index 4314c4424909..698140af247c 100644
--- a/arch/arm/mach-s3c2443/Kconfig
+++ b/arch/arm/mach-s3c2443/Kconfig
@@ -7,6 +7,7 @@ config CPU_S3C2443
 	depends on ARCH_S3C2410
 	select S3C2443_DMA if S3C2410_DMA
 	select CPU_LLSERIAL_S3C2440
+	select SAMSUNG_CLKSRC
 	help
 	  Support for the S3C2443 SoC from the S3C24XX line
 
diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c
index 2785d69c95b0..62cd4eaee01b 100644
--- a/arch/arm/mach-s3c2443/clock.c
+++ b/arch/arm/mach-s3c2443/clock.c
@@ -1,6 +1,6 @@
 /* linux/arch/arm/mach-s3c2443/clock.c
  *
- * Copyright (c) 2007 Simtec Electronics
+ * Copyright (c) 2007, 2010 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
  *
  * S3C2443 Clock control support
@@ -42,6 +42,7 @@
 
 #include <plat/s3c2443.h>
 #include <plat/clock.h>
+#include <plat/clock-clksrc.h>
 #include <plat/cpu.h>
 
 /* We currently have to assume that the system is running
@@ -53,141 +54,69 @@
  * set the correct muxing at initialisation
 */
 
-static int s3c2443_clkcon_enable_h(struct clk *clk, int enable)
-{
-	unsigned int clocks = clk->ctrlbit;
-	unsigned long clkcon;
-
-	clkcon = __raw_readl(S3C2443_HCLKCON);
-
-	if (enable)
-		clkcon |= clocks;
-	else
-		clkcon &= ~clocks;
-
-	__raw_writel(clkcon, S3C2443_HCLKCON);
-
-	return 0;
-}
-
-static int s3c2443_clkcon_enable_p(struct clk *clk, int enable)
+static int s3c2443_gate(void __iomem *reg, struct clk *clk, int enable)
 {
-	unsigned int clocks = clk->ctrlbit;
-	unsigned long clkcon;
-
-	clkcon = __raw_readl(S3C2443_PCLKCON);
+	u32 ctrlbit = clk->ctrlbit;
+	u32 con = __raw_readl(reg);
 
 	if (enable)
-		clkcon |= clocks;
+		con |= ctrlbit;
 	else
-		clkcon &= ~clocks;
-
-	__raw_writel(clkcon, S3C2443_PCLKCON);
+		con &= ~ctrlbit;
 
+	__raw_writel(con, reg);
 	return 0;
 }
 
-static int s3c2443_clkcon_enable_s(struct clk *clk, int enable)
-{
-	unsigned int clocks = clk->ctrlbit;
-	unsigned long clkcon;
-
-	clkcon = __raw_readl(S3C2443_SCLKCON);
-
-	if (enable)
-		clkcon |= clocks;
-	else
-		clkcon &= ~clocks;
-
-	__raw_writel(clkcon, S3C2443_SCLKCON);
-
-	return 0;
-}
-
-static unsigned long s3c2443_roundrate_clksrc(struct clk *clk,
-					      unsigned long rate,
-					      unsigned int max)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	int div;
-
-	if (rate > parent_rate)
-		return parent_rate;
-
-	/* note, we remove the +/- 1 calculations as they cancel out */
-
-	div = (rate / parent_rate);
-
-	if (div < 1)
-		div = 1;
-	else if (div > max)
-		div = max;
-
-	return parent_rate / div;
-}
-
-static unsigned long s3c2443_roundrate_clksrc4(struct clk *clk,
-					       unsigned long rate)
+static int s3c2443_clkcon_enable_h(struct clk *clk, int enable)
 {
-	return s3c2443_roundrate_clksrc(clk, rate, 4);
+	return s3c2443_gate(S3C2443_HCLKCON, clk, enable);
 }
 
-static unsigned long s3c2443_roundrate_clksrc16(struct clk *clk,
-						unsigned long rate)
+static int s3c2443_clkcon_enable_p(struct clk *clk, int enable)
 {
-	return s3c2443_roundrate_clksrc(clk, rate, 16);
+	return s3c2443_gate(S3C2443_PCLKCON, clk, enable);
 }
 
-static unsigned long s3c2443_roundrate_clksrc256(struct clk *clk,
-						 unsigned long rate)
+static int s3c2443_clkcon_enable_s(struct clk *clk, int enable)
 {
-	return s3c2443_roundrate_clksrc(clk, rate, 256);
+	return s3c2443_gate(S3C2443_SCLKCON, clk, enable);
 }
 
 /* clock selections */
 
+/* mpllref is a direct descendant of clk_xtal by default, but it is not
+ * elided as the EPLL can be either sourced by the XTAL or EXTCLK and as
+ * such directly equating the two source clocks is impossible.
+ */
 static struct clk clk_mpllref = {
 	.name		= "mpllref",
 	.parent		= &clk_xtal,
 	.id		= -1,
 };
 
-#if 0
-static struct clk clk_mpll = {
-	.name		= "mpll",
-	.parent		= &clk_mpllref,
-	.id		= -1,
-};
-#endif
-
 static struct clk clk_i2s_ext = {
 	.name		= "i2s-ext",
 	.id		= -1,
 };
 
-static int s3c2443_setparent_epllref(struct clk *clk, struct clk *parent)
-{
-	unsigned long clksrc = __raw_readl(S3C2443_CLKSRC);
-
-	clksrc &= ~S3C2443_CLKSRC_EPLLREF_MASK;
-
-	if (parent == &clk_xtal)
-		clksrc |= S3C2443_CLKSRC_EPLLREF_XTAL;
-	else if (parent == &clk_ext)
-		clksrc |= S3C2443_CLKSRC_EPLLREF_EXTCLK;
-	else if (parent != &clk_mpllref)
-		return -EINVAL;
-
-	__raw_writel(clksrc, S3C2443_CLKSRC);
-	clk->parent = parent;
-
-	return 0;
-}
+static struct clk *clk_epllref_sources[] = {
+	[0] = &clk_mpllref,
+	[1] = &clk_mpllref,
+	[2] = &clk_xtal,
+	[3] = &clk_ext,
+};
 
-static struct clk clk_epllref = {
-	.name		= "epllref",
-	.id		= -1,
-	.set_parent	= s3c2443_setparent_epllref,
+static struct clksrc_clk clk_epllref = {
+	.clk	= {
+		.name		= "epllref",
+		.id		= -1,
+	},
+	.sources = &(struct clksrc_sources) {
+		.sources = clk_epllref_sources,
+		.nr_sources = ARRAY_SIZE(clk_epllref_sources),
+	},
+	.reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 7 },
 };
 
 static unsigned long s3c2443_getrate_mdivclk(struct clk *clk)
@@ -205,34 +134,29 @@ static struct clk clk_mdivclk = {
 	.name		= "mdivclk",
 	.parent		= &clk_mpllref,
 	.id		= -1,
-	.get_rate	= s3c2443_getrate_mdivclk,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s3c2443_getrate_mdivclk,
+	},
 };
 
-static int s3c2443_setparent_msysclk(struct clk *clk, struct clk *parent)
-{
-	unsigned long clksrc = __raw_readl(S3C2443_CLKSRC);
-
-	clksrc &= ~(S3C2443_CLKSRC_MSYSCLK_MPLL |
-		    S3C2443_CLKSRC_EXTCLK_DIV);
-
-	if (parent == &clk_mpll)
-		clksrc |= S3C2443_CLKSRC_MSYSCLK_MPLL;
-	else if (parent == &clk_mdivclk)
-		clksrc |= S3C2443_CLKSRC_EXTCLK_DIV;
-	else if (parent != &clk_mpllref)
-		return -EINVAL;
-
-	__raw_writel(clksrc, S3C2443_CLKSRC);
-	clk->parent = parent;
-
-	return 0;
-}
+static struct clk *clk_msysclk_sources[] = {
+	[0] = &clk_mpllref,
+	[1] = &clk_mpll,
+	[2] = &clk_mdivclk,
+	[3] = &clk_mpllref,
+};
 
-static struct clk clk_msysclk = {
-	.name		= "msysclk",
-	.parent		= &clk_xtal,
-	.id		= -1,
-	.set_parent	= s3c2443_setparent_msysclk,
+static struct clksrc_clk clk_msysclk = {
+	.clk	= {
+		.name		= "msysclk",
+		.parent		= &clk_xtal,
+		.id		= -1,
+	},
+	.sources = &(struct clksrc_sources) {
+		.sources = clk_msysclk_sources,
+		.nr_sources = ARRAY_SIZE(clk_msysclk_sources),
+	},
+	.reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 3 },
 };
 
 /* armdiv
@@ -241,152 +165,159 @@ static struct clk clk_msysclk = {
  * divider values applied to it to then be fed into armclk.
 */
 
-static struct clk clk_armdiv = {
-	.name		= "armdiv",
-	.id		= -1,
-	.parent		= &clk_msysclk,
-};
+/* armdiv divisor table */
 
-/* armclk
- *
- * this is the clock fed into the ARM core itself, either from
- * armdiv or from hclk.
- */
+static unsigned int armdiv[16] = {
+	[S3C2443_CLKDIV0_ARMDIV_1 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 1,
+	[S3C2443_CLKDIV0_ARMDIV_2 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 2,
+	[S3C2443_CLKDIV0_ARMDIV_3 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 3,
+	[S3C2443_CLKDIV0_ARMDIV_4 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 4,
+	[S3C2443_CLKDIV0_ARMDIV_6 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 6,
+	[S3C2443_CLKDIV0_ARMDIV_8 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 8,
+	[S3C2443_CLKDIV0_ARMDIV_12 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 12,
+	[S3C2443_CLKDIV0_ARMDIV_16 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 16,
+};
 
-static int s3c2443_setparent_armclk(struct clk *clk, struct clk *parent)
+static inline unsigned int s3c2443_fclk_div(unsigned long clkcon0)
 {
-	unsigned long clkdiv0;
-
-	clkdiv0 = __raw_readl(S3C2443_CLKDIV0);
-
-	if (parent == &clk_armdiv)
-		clkdiv0 &= ~S3C2443_CLKDIV0_DVS;
-	else if (parent == &clk_h)
-		clkdiv0 |= S3C2443_CLKDIV0_DVS;
-	else
-		return -EINVAL;
+	clkcon0 &= S3C2443_CLKDIV0_ARMDIV_MASK;
 
-	__raw_writel(clkdiv0, S3C2443_CLKDIV0);
-	return 0;
+	return armdiv[clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT];
 }
 
-static struct clk clk_arm = {
-	.name		= "armclk",
-	.id		= -1,
-	.set_parent	= s3c2443_setparent_armclk,
-};
+static unsigned long s3c2443_armclk_roundrate(struct clk *clk,
+					      unsigned long rate)
+{
+	unsigned long parent = clk_get_rate(clk->parent);
+	unsigned long calc;
+	unsigned best = 256; /* bigger than any value */
+	unsigned div;
+	int ptr;
 
-/* esysclk
- *
- * this is sourced from either the EPLL or the EPLLref clock
-*/
+	for (ptr = 0; ptr < ARRAY_SIZE(armdiv); ptr++) {
+		div = armdiv[ptr];
+		calc = parent / div;
+		if (calc <= rate && div < best)
+			best = div;
+	}
 
-static int s3c2443_setparent_esysclk(struct clk *clk, struct clk *parent)
+	return parent / best;
+}
+
+static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate)
 {
-	unsigned long clksrc = __raw_readl(S3C2443_CLKSRC);
+	unsigned long parent = clk_get_rate(clk->parent);
+	unsigned long calc;
+	unsigned div;
+	unsigned best = 256; /* bigger than any value */
+	int ptr;
+	int val = -1;
+
+	for (ptr = 0; ptr < ARRAY_SIZE(armdiv); ptr++) {
+		div = armdiv[ptr];
+		calc = parent / div;
+		if (calc <= rate && div < best) {
+			best = div;
+			val = ptr;
+		}
+	}
 
-	if (parent == &clk_epll)
-		clksrc |= S3C2443_CLKSRC_ESYSCLK_EPLL;
-	else if (parent == &clk_epllref)
-		clksrc &= ~S3C2443_CLKSRC_ESYSCLK_EPLL;
-	else
-		return -EINVAL;
+	if (val >= 0) {
+		unsigned long clkcon0;
 
-	__raw_writel(clksrc, S3C2443_CLKSRC);
-	clk->parent = parent;
+		clkcon0 = __raw_readl(S3C2443_CLKDIV0);
+		clkcon0 &= S3C2443_CLKDIV0_ARMDIV_MASK;
+		clkcon0 |= val << S3C2443_CLKDIV0_ARMDIV_SHIFT;
+		__raw_writel(clkcon0, S3C2443_CLKDIV0);
+	}
 
-	return 0;
+	return (val == -1) ? -EINVAL : 0;
 }
 
-static struct clk clk_esysclk = {
-	.name		= "esysclk",
-	.parent		= &clk_epll,
+static struct clk clk_armdiv = {
+	.name		= "armdiv",
 	.id		= -1,
-	.set_parent	= s3c2443_setparent_esysclk,
+	.parent		= &clk_msysclk.clk,
+	.ops		= &(struct clk_ops) {
+		.round_rate = s3c2443_armclk_roundrate,
+		.set_rate = s3c2443_armclk_setrate,
+	},
 };
 
-/* uartclk
+/* armclk
  *
- * UART baud-rate clock sourced from esysclk via a divisor
-*/
-
-static unsigned long s3c2443_getrate_uart(struct clk *clk)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long div = __raw_readl(S3C2443_CLKDIV1);
-
-	div &= S3C2443_CLKDIV1_UARTDIV_MASK;
-	div >>= S3C2443_CLKDIV1_UARTDIV_SHIFT;
+ * this is the clock fed into the ARM core itself, from armdiv or from hclk.
+ */
 
-	return parent_rate / (div + 1);
-}
+static struct clk *clk_arm_sources[] = {
+	[0] = &clk_armdiv,
+	[1] = &clk_h,
+};
 
+static struct clksrc_clk clk_arm = {
+	.clk	= {
+		.name		= "armclk",
+		.id		= -1,
+	},
+	.sources = &(struct clksrc_sources) {
+		.sources = clk_arm_sources,
+		.nr_sources = ARRAY_SIZE(clk_arm_sources),
+	},
+	.reg_src = { .reg = S3C2443_CLKDIV0, .size = 1, .shift = 13 },
+};
 
-static int s3c2443_setrate_uart(struct clk *clk, unsigned long rate)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long clkdivn = __raw_readl(S3C2443_CLKDIV1);
+/* esysclk
+ *
+ * this is sourced from either the EPLL or the EPLLref clock
+*/
 
-	rate = s3c2443_roundrate_clksrc16(clk, rate);
-	rate = parent_rate / rate;
+static struct clk *clk_sysclk_sources[] = {
+	[0] = &clk_epllref.clk,
+	[1] = &clk_epll,
+};
 
-	clkdivn &= ~S3C2443_CLKDIV1_UARTDIV_MASK;
-	clkdivn |= (rate - 1) << S3C2443_CLKDIV1_UARTDIV_SHIFT;
+static struct clksrc_clk clk_esysclk = {
+	.clk	= {
+		.name		= "esysclk",
+		.parent		= &clk_epll,
+		.id		= -1,
+	},
+	.sources = &(struct clksrc_sources) {
+		.sources = clk_sysclk_sources,
+		.nr_sources = ARRAY_SIZE(clk_sysclk_sources),
+	},
+	.reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 6 },
+};
 
-	__raw_writel(clkdivn, S3C2443_CLKDIV1);
-	return 0;
-}
+/* uartclk
+ *
+ * UART baud-rate clock sourced from esysclk via a divisor
+*/
 
-static struct clk clk_uart = {
-	.name		= "uartclk",
-	.id		= -1,
-	.parent		= &clk_esysclk,
-	.get_rate	= s3c2443_getrate_uart,
-	.set_rate	= s3c2443_setrate_uart,
-	.round_rate	= s3c2443_roundrate_clksrc16,
+static struct clksrc_clk clk_uart = {
+	.clk	= {
+		.name		= "uartclk",
+		.id		= -1,
+		.parent		= &clk_esysclk.clk,
+	},
+	.reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 8 },
 };
 
+
 /* hsspi
  *
  * high-speed spi clock, sourced from esysclk
 */
 
-static unsigned long s3c2443_getrate_hsspi(struct clk *clk)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long div = __raw_readl(S3C2443_CLKDIV1);
-
-	div &= S3C2443_CLKDIV1_HSSPIDIV_MASK;
-	div >>= S3C2443_CLKDIV1_HSSPIDIV_SHIFT;
-
-	return parent_rate / (div + 1);
-}
-
-
-static int s3c2443_setrate_hsspi(struct clk *clk, unsigned long rate)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long clkdivn = __raw_readl(S3C2443_CLKDIV1);
-
-	rate = s3c2443_roundrate_clksrc4(clk, rate);
-	rate = parent_rate / rate;
-
-	clkdivn &= ~S3C2443_CLKDIV1_HSSPIDIV_MASK;
-	clkdivn |= (rate - 1) << S3C2443_CLKDIV1_HSSPIDIV_SHIFT;
-
-	__raw_writel(clkdivn, S3C2443_CLKDIV1);
-	return 0;
-}
-
-static struct clk clk_hsspi = {
-	.name		= "hsspi",
-	.id		= -1,
-	.parent		= &clk_esysclk,
-	.ctrlbit	= S3C2443_SCLKCON_HSSPICLK,
-	.enable		= s3c2443_clkcon_enable_s,
-	.get_rate	= s3c2443_getrate_hsspi,
-	.set_rate	= s3c2443_setrate_hsspi,
-	.round_rate	= s3c2443_roundrate_clksrc4,
+static struct clksrc_clk clk_hsspi = {
+	.clk	= {
+		.name		= "hsspi",
+		.id		= -1,
+		.parent		= &clk_esysclk.clk,
+		.ctrlbit	= S3C2443_SCLKCON_HSSPICLK,
+		.enable		= s3c2443_clkcon_enable_s,
+	},
+	.reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 4 },
 };
 
 /* usbhost
@@ -394,41 +325,15 @@ static struct clk clk_hsspi = {
  * usb host bus-clock, usually 48MHz to provide USB bus clock timing
 */
 
-static unsigned long s3c2443_getrate_usbhost(struct clk *clk)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long div = __raw_readl(S3C2443_CLKDIV1);
-
-	div &= S3C2443_CLKDIV1_USBHOSTDIV_MASK;
-	div >>= S3C2443_CLKDIV1_USBHOSTDIV_SHIFT;
-
-	return parent_rate / (div + 1);
-}
-
-static int s3c2443_setrate_usbhost(struct clk *clk, unsigned long rate)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long clkdivn = __raw_readl(S3C2443_CLKDIV1);
-
-	rate = s3c2443_roundrate_clksrc4(clk, rate);
-	rate = parent_rate / rate;
-
-	clkdivn &= ~S3C2443_CLKDIV1_USBHOSTDIV_MASK;
-	clkdivn |= (rate - 1) << S3C2443_CLKDIV1_USBHOSTDIV_SHIFT;
-
-	__raw_writel(clkdivn, S3C2443_CLKDIV1);
-	return 0;
-}
-
-static struct clk clk_usb_bus_host = {
-	.name		= "usb-bus-host-parent",
-	.id		= -1,
-	.parent		= &clk_esysclk,
-	.ctrlbit	= S3C2443_SCLKCON_USBHOST,
-	.enable		= s3c2443_clkcon_enable_s,
-	.get_rate	= s3c2443_getrate_usbhost,
-	.set_rate	= s3c2443_setrate_usbhost,
-	.round_rate	= s3c2443_roundrate_clksrc4,
+static struct clksrc_clk clk_usb_bus_host = {
+	.clk	= {
+		.name		= "usb-bus-host-parent",
+		.id		= -1,
+		.parent		= &clk_esysclk.clk,
+		.ctrlbit	= S3C2443_SCLKCON_USBHOST,
+		.enable		= s3c2443_clkcon_enable_s,
+	},
+	.reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 4 },
 };
 
 /* clk_hsmcc_div
@@ -438,39 +343,13 @@ static struct clk clk_usb_bus_host = {
  * be fed to the hsmmc block
 */
 
-static unsigned long s3c2443_getrate_hsmmc_div(struct clk *clk)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long div = __raw_readl(S3C2443_CLKDIV1);
-
-	div &= S3C2443_CLKDIV1_HSMMCDIV_MASK;
-	div >>= S3C2443_CLKDIV1_HSMMCDIV_SHIFT;
-
-	return parent_rate / (div + 1);
-}
-
-static int s3c2443_setrate_hsmmc_div(struct clk *clk, unsigned long rate)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long clkdivn = __raw_readl(S3C2443_CLKDIV1);
-
-	rate = s3c2443_roundrate_clksrc4(clk, rate);
-	rate = parent_rate / rate;
-
-	clkdivn &= ~S3C2443_CLKDIV1_HSMMCDIV_MASK;
-	clkdivn |= (rate - 1) << S3C2443_CLKDIV1_HSMMCDIV_SHIFT;
-
-	__raw_writel(clkdivn, S3C2443_CLKDIV1);
-	return 0;
-}
-
-static struct clk clk_hsmmc_div = {
-	.name		= "hsmmc-div",
-	.id		= -1,
-	.parent		= &clk_esysclk,
-	.get_rate	= s3c2443_getrate_hsmmc_div,
-	.set_rate	= s3c2443_setrate_hsmmc_div,
-	.round_rate	= s3c2443_roundrate_clksrc4,
+static struct clksrc_clk clk_hsmmc_div = {
+	.clk	= {
+		.name		= "hsmmc-div",
+		.id		= -1,
+		.parent		= &clk_esysclk.clk,
+	},
+	.reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 6 },
 };
 
 static int s3c2443_setparent_hsmmc(struct clk *clk, struct clk *parent)
@@ -503,82 +382,55 @@ static int s3c2443_enable_hsmmc(struct clk *clk, int enable)
 static struct clk clk_hsmmc = {
 	.name		= "hsmmc-if",
 	.id		= -1,
-	.parent		= &clk_hsmmc_div,
+	.parent		= &clk_hsmmc_div.clk,
 	.enable		= s3c2443_enable_hsmmc,
-	.set_parent	= s3c2443_setparent_hsmmc,
+	.ops		= &(struct clk_ops) {
+		.set_parent	= s3c2443_setparent_hsmmc,
+	},
 };
 
 /* i2s_eplldiv
  *
- * this clock is the output from the i2s divisor of esysclk
+ * This clock is the output from the I2S divisor of ESYSCLK, and is seperate
+ * from the mux that comes after it (cannot merge into one single clock)
 */
 
-static unsigned long s3c2443_getrate_i2s_eplldiv(struct clk *clk)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long div = __raw_readl(S3C2443_CLKDIV1);
-
-	div &= S3C2443_CLKDIV1_I2SDIV_MASK;
-	div >>= S3C2443_CLKDIV1_I2SDIV_SHIFT;
-
-	return parent_rate / (div + 1);
-}
-
-static int s3c2443_setrate_i2s_eplldiv(struct clk *clk, unsigned long rate)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long clkdivn = __raw_readl(S3C2443_CLKDIV1);
-
-	rate = s3c2443_roundrate_clksrc16(clk, rate);
-	rate = parent_rate / rate;
-
-	clkdivn &= ~S3C2443_CLKDIV1_I2SDIV_MASK;
-	clkdivn |= (rate - 1) << S3C2443_CLKDIV1_I2SDIV_SHIFT;
-
-	__raw_writel(clkdivn, S3C2443_CLKDIV1);
-	return 0;
-}
-
-static struct clk clk_i2s_eplldiv = {
-	.name		= "i2s-eplldiv",
-	.id		= -1,
-	.parent		= &clk_esysclk,
-	.get_rate	= s3c2443_getrate_i2s_eplldiv,
-	.set_rate	= s3c2443_setrate_i2s_eplldiv,
-	.round_rate	= s3c2443_roundrate_clksrc16,
+static struct clksrc_clk clk_i2s_eplldiv = {
+	.clk	= {
+		.name		= "i2s-eplldiv",
+		.id		= -1,
+		.parent		= &clk_esysclk.clk,
+	},
+	.reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 12, },
 };
 
 /* i2s-ref
  *
  * i2s bus reference clock, selectable from external, esysclk or epllref
+ *
+ * Note, this used to be two clocks, but was compressed into one.
 */
 
-static int s3c2443_setparent_i2s(struct clk *clk, struct clk *parent)
-{
-	unsigned long clksrc = __raw_readl(S3C2443_CLKSRC);
-
-	clksrc &= ~S3C2443_CLKSRC_I2S_MASK;
-
-	if (parent == &clk_epllref)
-		clksrc |= S3C2443_CLKSRC_I2S_EPLLREF;
-	else if (parent == &clk_i2s_ext)
-		clksrc |= S3C2443_CLKSRC_I2S_EXT;
-	else if (parent != &clk_i2s_eplldiv)
-		return -EINVAL;
-
-	clk->parent = parent;
-	__raw_writel(clksrc, S3C2443_CLKSRC);
-
-	return 0;
-}
+struct clk *clk_i2s_srclist[] = {
+	[0] = &clk_i2s_eplldiv.clk,
+	[1] = &clk_i2s_ext,
+	[2] = &clk_epllref.clk,
+	[3] = &clk_epllref.clk,
+};
 
-static struct clk clk_i2s = {
-	.name		= "i2s-if",
-	.id		= -1,
-	.parent		= &clk_i2s_eplldiv,
-	.ctrlbit	= S3C2443_SCLKCON_I2SCLK,
-	.enable		= s3c2443_clkcon_enable_s,
-	.set_parent	= s3c2443_setparent_i2s,
+static struct clksrc_clk clk_i2s = {
+	.clk	= {
+		.name		= "i2s-if",
+		.id		= -1,
+		.ctrlbit	= S3C2443_SCLKCON_I2SCLK,
+		.enable		= s3c2443_clkcon_enable_s,
+
+	},
+	.sources = &(struct clksrc_sources) {
+		.sources = clk_i2s_srclist,
+		.nr_sources = ARRAY_SIZE(clk_i2s_srclist),
+	},
+	.reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 14 },
 };
 
 /* cam-if
@@ -586,41 +438,15 @@ static struct clk clk_i2s = {
  * camera interface bus-clock, divided down from esysclk
 */
 
-static unsigned long s3c2443_getrate_cam(struct clk *clk)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long div = __raw_readl(S3C2443_CLKDIV1);
-
-	div  &= S3C2443_CLKDIV1_CAMDIV_MASK;
-	div >>= S3C2443_CLKDIV1_CAMDIV_SHIFT;
-
-	return parent_rate / (div + 1);
-}
-
-static int s3c2443_setrate_cam(struct clk *clk, unsigned long rate)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long clkdiv1 = __raw_readl(S3C2443_CLKDIV1);
-
-	rate = s3c2443_roundrate_clksrc16(clk, rate);
-	rate = parent_rate / rate;
-
-	clkdiv1 &= ~S3C2443_CLKDIV1_CAMDIV_MASK;
-	clkdiv1 |= (rate - 1) << S3C2443_CLKDIV1_CAMDIV_SHIFT;
-
-	__raw_writel(clkdiv1, S3C2443_CLKDIV1);
-	return 0;
-}
-
-static struct clk clk_cam = {
-	.name		= "camif-upll",		/* same as 2440 name */
-	.id		= -1,
-	.parent		= &clk_esysclk,
-	.ctrlbit	= S3C2443_SCLKCON_CAMCLK,
-	.enable		= s3c2443_clkcon_enable_s,
-	.get_rate	= s3c2443_getrate_cam,
-	.set_rate	= s3c2443_setrate_cam,
-	.round_rate	= s3c2443_roundrate_clksrc16,
+static struct clksrc_clk clk_cam = {
+	.clk	= {
+		.name		= "camif-upll",	/* same as 2440 name */
+		.id		= -1,
+		.parent		= &clk_esysclk.clk,
+		.ctrlbit	= S3C2443_SCLKCON_CAMCLK,
+		.enable		= s3c2443_clkcon_enable_s,
+	},
+	.reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 26 },
 };
 
 /* display-if
@@ -628,41 +454,15 @@ static struct clk clk_cam = {
  * display interface clock, divided from esysclk
 */
 
-static unsigned long s3c2443_getrate_display(struct clk *clk)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long div = __raw_readl(S3C2443_CLKDIV1);
-
-	div &= S3C2443_CLKDIV1_DISPDIV_MASK;
-	div >>= S3C2443_CLKDIV1_DISPDIV_SHIFT;
-
-	return parent_rate / (div + 1);
-}
-
-static int s3c2443_setrate_display(struct clk *clk, unsigned long rate)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	unsigned long clkdivn = __raw_readl(S3C2443_CLKDIV1);
-
-	rate = s3c2443_roundrate_clksrc256(clk, rate);
-	rate = parent_rate / rate;
-
-	clkdivn &= ~S3C2443_CLKDIV1_UARTDIV_MASK;
-	clkdivn |= (rate - 1) << S3C2443_CLKDIV1_UARTDIV_SHIFT;
-
-	__raw_writel(clkdivn, S3C2443_CLKDIV1);
-	return 0;
-}
-
-static struct clk clk_display = {
-	.name		= "display-if",
-	.id		= -1,
-	.parent		= &clk_esysclk,
-	.ctrlbit	= S3C2443_SCLKCON_DISPCLK,
-	.enable		= s3c2443_clkcon_enable_s,
-	.get_rate	= s3c2443_getrate_display,
-	.set_rate	= s3c2443_setrate_display,
-	.round_rate	= s3c2443_roundrate_clksrc256,
+static struct clksrc_clk clk_display = {
+	.clk	= {
+		.name		= "display-if",
+		.id		= -1,
+		.parent		= &clk_esysclk.clk,
+		.ctrlbit	= S3C2443_SCLKCON_DISPCLK,
+		.enable		= s3c2443_clkcon_enable_s,
+	},
+	.reg_div = { .reg = S3C2443_CLKDIV1, .size = 8, .shift = 16 },
 };
 
 /* prediv
@@ -684,8 +484,10 @@ static unsigned long s3c2443_prediv_getrate(struct clk *clk)
 static struct clk clk_prediv = {
 	.name		= "prediv",
 	.id		= -1,
-	.parent		= &clk_msysclk,
-	.get_rate	= s3c2443_prediv_getrate,
+	.parent		= &clk_msysclk.clk,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s3c2443_prediv_getrate,
+	},
 };
 
 /* standard clock definitions */
@@ -857,7 +659,7 @@ static struct clk init_clocks[] = {
 	}, {
 		.name		= "usb-bus-host",
 		.id		= -1,
-		.parent		= &clk_usb_bus_host,
+		.parent		= &clk_usb_bus_host.clk,
 	}, {
 		.name		= "ac97",
 		.id		= -1,
@@ -868,103 +670,26 @@ static struct clk init_clocks[] = {
 
 /* clocks to add where we need to check their parentage */
 
-/* s3c2443_clk_initparents
- *
- * Initialise the parents for the clocks that we get at start-time
-*/
-
-static int __init clk_init_set_parent(struct clk *clk, struct clk *parent)
-{
-	printk(KERN_DEBUG "clock %s: parent %s\n", clk->name, parent->name);
-	return clk_set_parent(clk, parent);
-}
-
-static void __init s3c2443_clk_initparents(void)
-{
-	unsigned long clksrc = __raw_readl(S3C2443_CLKSRC);
-	struct clk *parent;
-
-	switch (clksrc & S3C2443_CLKSRC_EPLLREF_MASK) {
-	case S3C2443_CLKSRC_EPLLREF_EXTCLK:
-		parent = &clk_ext;
-		break;
-
-	case S3C2443_CLKSRC_EPLLREF_XTAL:
-	default:
-		parent = &clk_xtal;
-		break;
-
-	case S3C2443_CLKSRC_EPLLREF_MPLLREF:
-	case S3C2443_CLKSRC_EPLLREF_MPLLREF2:
-		parent = &clk_mpllref;
-		break;
-	}
-
-	clk_init_set_parent(&clk_epllref, parent);
-
-	switch (clksrc & S3C2443_CLKSRC_I2S_MASK) {
-	case S3C2443_CLKSRC_I2S_EXT:
-		parent = &clk_i2s_ext;
-		break;
-
-	case S3C2443_CLKSRC_I2S_EPLLDIV:
-	default:
-		parent = &clk_i2s_eplldiv;
-		break;
-
-	case S3C2443_CLKSRC_I2S_EPLLREF:
-	case S3C2443_CLKSRC_I2S_EPLLREF3:
-		parent = &clk_epllref;
-	}
-
-	clk_init_set_parent(&clk_i2s, &clk_epllref);
-
-	/* esysclk source */
-
-	parent = (clksrc & S3C2443_CLKSRC_ESYSCLK_EPLL) ?
-		&clk_epll : &clk_epllref;
-
-	clk_init_set_parent(&clk_esysclk, parent);
-
-	/* msysclk source */
-
-	if (clksrc & S3C2443_CLKSRC_MSYSCLK_MPLL) {
-		parent = &clk_mpll;
-	} else {
-		parent = (clksrc & S3C2443_CLKSRC_EXTCLK_DIV) ?
-			&clk_mdivclk : &clk_mpllref;
-	}
-
-	clk_init_set_parent(&clk_msysclk, parent);
-
-	/* arm */
-
-	if (__raw_readl(S3C2443_CLKDIV0) & S3C2443_CLKDIV0_DVS)
-		parent = &clk_h;
-	else
-		parent = &clk_armdiv;
-
-	clk_init_set_parent(&clk_arm, parent);
-}
-
-/* armdiv divisor table */
-
-static unsigned int armdiv[16] = {
-	[S3C2443_CLKDIV0_ARMDIV_1 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 1,
-	[S3C2443_CLKDIV0_ARMDIV_2 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 2,
-	[S3C2443_CLKDIV0_ARMDIV_3 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 3,
-	[S3C2443_CLKDIV0_ARMDIV_4 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 4,
-	[S3C2443_CLKDIV0_ARMDIV_6 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 6,
-	[S3C2443_CLKDIV0_ARMDIV_8 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 8,
-	[S3C2443_CLKDIV0_ARMDIV_12 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 12,
-	[S3C2443_CLKDIV0_ARMDIV_16 >> S3C2443_CLKDIV0_ARMDIV_SHIFT]	= 16,
+static struct clksrc_clk __initdata *init_list[] = {
+	&clk_epllref, /* should be first */
+	&clk_esysclk,
+	&clk_msysclk,
+	&clk_arm,
+	&clk_i2s_eplldiv,
+	&clk_i2s,
+	&clk_cam,
+	&clk_uart,
+	&clk_display,
+	&clk_hsmmc_div,
+	&clk_usb_bus_host,
 };
 
-static inline unsigned int s3c2443_fclk_div(unsigned long clkcon0)
+static void __init s3c2443_clk_initparents(void)
 {
-	clkcon0 &= S3C2443_CLKDIV0_ARMDIV_MASK;
+	int ptr;
 
-	return armdiv[clkcon0 >> S3C2443_CLKDIV0_ARMDIV_SHIFT];
+	for (ptr = 0; ptr < ARRAY_SIZE(init_list); ptr++)
+		s3c_set_clksrc(init_list[ptr], true);
 }
 
 static inline unsigned long s3c2443_get_hdiv(unsigned long clkcon0)
@@ -976,15 +701,12 @@ static inline unsigned long s3c2443_get_hdiv(unsigned long clkcon0)
 
 /* clocks to add straight away */
 
-static struct clk *clks[] __initdata = {
-	&clk_ext,
-	&clk_epll,
+static struct clksrc_clk *clksrcs[] __initdata = {
 	&clk_usb_bus_host,
-	&clk_usb_bus,
-	&clk_esysclk,
 	&clk_epllref,
-	&clk_mpllref,
+	&clk_esysclk,
 	&clk_msysclk,
+	&clk_arm,
 	&clk_uart,
 	&clk_display,
 	&clk_cam,
@@ -992,9 +714,15 @@ static struct clk *clks[] __initdata = {
 	&clk_i2s,
 	&clk_hsspi,
 	&clk_hsmmc_div,
+};
+
+static struct clk *clks[] __initdata = {
+	&clk_ext,
+	&clk_epll,
+	&clk_usb_bus,
+	&clk_mpllref,
 	&clk_hsmmc,
 	&clk_armdiv,
-	&clk_arm,
 	&clk_prediv,
 };
 
@@ -1014,7 +742,7 @@ void __init_or_cpufreq s3c2443_setup_clocks(void)
 	clk_put(xtal_clk);
 
 	pll = s3c2443_get_mpll(mpllcon, xtal);
-	clk_msysclk.rate = pll;
+	clk_msysclk.clk.rate = pll;
 
 	fclk = pll / s3c2443_fclk_div(clkdiv0);
 	hclk = s3c2443_prediv_getrate(&clk_prediv);
@@ -1056,15 +784,18 @@ void __init s3c2443_init_clocks(int xtal)
 		}
 	}
 
+	for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
+		s3c_register_clksrc(clksrcs[ptr], 1);
+
 	clk_epll.rate = s3c2443_get_epll(epllcon, xtal);
-	clk_epll.parent = &clk_epllref;
-	clk_usb_bus.parent = &clk_usb_bus_host;
+	clk_epll.parent = &clk_epllref.clk;
+	clk_usb_bus.parent = &clk_usb_bus_host.clk;
 
 	/* ensure usb bus clock is within correct rate of 48MHz */
 
-	if (clk_get_rate(&clk_usb_bus_host) != (48 * 1000 * 1000)) {
+	if (clk_get_rate(&clk_usb_bus_host.clk) != (48 * 1000 * 1000)) {
 		printk(KERN_INFO "Warning: USB host bus not at 48MHz\n");
-		clk_set_rate(&clk_usb_bus_host, 48*1000*1000);
+		clk_set_rate(&clk_usb_bus_host.clk, 48*1000*1000);
 	}
 
 	printk("S3C2443: epll %s %ld.%03ld MHz, usb-bus %ld.%03ld MHz\n",
@@ -1074,14 +805,7 @@ void __init s3c2443_init_clocks(int xtal)
 
 	/* register clocks from clock array */
 
-	clkp = init_clocks;
-	for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) {
-		ret = s3c24xx_register_clock(clkp);
-		if (ret < 0) {
-			printk(KERN_ERR "Failed to register clock %s (%d)\n",
-			       clkp->name, ret);
-		}
-	}
+	s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
 
 	/* We must be careful disabling the clocks we are not intending to
 	 * be using at boot time, as subsystems such as the LCD which do
diff --git a/arch/arm/mach-s3c2443/dma.c b/arch/arm/mach-s3c2443/dma.c
index 397f3b5c0b47..3f658685ec16 100644
--- a/arch/arm/mach-s3c2443/dma.c
+++ b/arch/arm/mach-s3c2443/dma.c
@@ -20,7 +20,7 @@
 
 #include <mach/dma.h>
 
-#include <plat/dma-plat.h>
+#include <plat/dma-s3c24xx.h>
 #include <plat/cpu.h>
 
 #include <plat/regs-serial.h>
diff --git a/arch/arm/mach-s3c2443/mach-smdk2443.c b/arch/arm/mach-s3c2443/mach-smdk2443.c
index 039a46243105..e2e362bda9b7 100644
--- a/arch/arm/mach-s3c2443/mach-smdk2443.c
+++ b/arch/arm/mach-s3c2443/mach-smdk2443.c
@@ -40,7 +40,7 @@
 #include <plat/iic.h>
 
 #include <plat/s3c2410.h>
-#include <plat/s3c2440.h>
+#include <plat/s3c2443.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
@@ -106,6 +106,9 @@ static struct platform_device *smdk2443_devices[] __initdata = {
 	&s3c_device_wdt,
 	&s3c_device_i2c0,
 	&s3c_device_hsmmc0,
+#ifdef CONFIG_SND_SOC_SMDK2443_WM9710
+	&s3c_device_ac97,
+#endif
 };
 
 static void __init smdk2443_map_io(void)
@@ -118,6 +121,11 @@ static void __init smdk2443_map_io(void)
 static void __init smdk2443_machine_init(void)
 {
 	s3c_i2c0_set_platdata(NULL);
+
+#ifdef CONFIG_SND_SOC_SMDK2443_WM9710
+	s3c24xx_ac97_setup_gpio(S3C24XX_AC97_GPE0);
+#endif
+
 	platform_add_devices(smdk2443_devices, ARRAY_SIZE(smdk2443_devices));
 	smdk_machine_init();
 }
diff --git a/arch/arm/plat-s3c/include/mach/io.h b/arch/arm/mach-s3c24a0/include/mach/io.h
index f6a53631b665..4326c30fabcb 100644
--- a/arch/arm/plat-s3c/include/mach/io.h
+++ b/arch/arm/mach-s3c24a0/include/mach/io.h
@@ -1,9 +1,9 @@
-/* arch/arm/plat-s3c/include/mach/io.h
+/* arch/arm/mach-s3c24a0/include/mach/io.h
  *
  * Copyright 2008 Simtec Electronics
  *	Ben Dooks <ben-linux@fluff.org>
  *
- * Default IO routines for plat-s3c based systems, such as S3C24A0
+ * Default IO routines for S3C24A0
  */
 
 #ifndef __ASM_ARM_ARCH_IO_H
diff --git a/arch/arm/mach-s3c6400/Kconfig b/arch/arm/mach-s3c6400/Kconfig
deleted file mode 100644
index a250bf68709f..000000000000
--- a/arch/arm/mach-s3c6400/Kconfig
+++ /dev/null
@@ -1,30 +0,0 @@
-# Copyright 2008 Openmoko, Inc.
-#	Simtec Electronics, Ben Dooks <ben@simtec.co.uk>
-#
-# Licensed under GPLv2
-
-# Configuration options for the S3C6410 CPU
-
-config CPU_S3C6400
-	bool
-	select CPU_S3C6400_INIT
-	select CPU_S3C6400_CLOCK
-	help
-	  Enable S3C6400 CPU support
-
-config S3C6400_SETUP_SDHCI
-	bool
-	help
-	  Internal configuration for default SDHCI
-	  setup for S3C6400.
-
-# S36400 Macchine support
-
-config MACH_SMDK6400
-       bool "SMDK6400"
-	select CPU_S3C6400
-	select S3C_DEV_HSMMC
-	select S3C_DEV_NAND
-	select S3C6400_SETUP_SDHCI
-	help
-	  Machine support for the Samsung SMDK6400
diff --git a/arch/arm/mach-s3c6400/Makefile b/arch/arm/mach-s3c6400/Makefile
deleted file mode 100644
index df1ce4aa03e5..000000000000
--- a/arch/arm/mach-s3c6400/Makefile
+++ /dev/null
@@ -1,23 +0,0 @@
-# arch/arm/mach-s3c6400/Makefile
-#
-# Copyright 2008 Openmoko, Inc.
-# Copyright 2008 Simtec Electronics
-#
-# Licensed under GPLv2
-
-obj-y				:=
-obj-m				:=
-obj-n				:=
-obj-				:=
-
-# Core support for S3C6400 system
-
-obj-$(CONFIG_CPU_S3C6400)	+= s3c6400.o
-
-# setup support
-
-obj-$(CONFIG_S3C6400_SETUP_SDHCI) += setup-sdhci.o
-
-# Machine support
-
-obj-$(CONFIG_MACH_SMDK6400)	+= mach-smdk6400.o
diff --git a/arch/arm/mach-s3c6400/include/mach/dma.h b/arch/arm/mach-s3c6400/include/mach/dma.h
deleted file mode 100644
index 6723860748be..000000000000
--- a/arch/arm/mach-s3c6400/include/mach/dma.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/* linux/arch/arm/mach-s3c6400/include/mach/dma.h
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *      http://armlinux.simtec.co.uk/
- *
- * S3C6400 - DMA support
- */
-
-#ifndef __ASM_ARCH_DMA_H
-#define __ASM_ARCH_DMA_H __FILE__
-
-#define S3C_DMA_CHANNELS	(16)
-
-/* see mach-s3c2410/dma.h for notes on dma channel numbers */
-
-/* Note, for the S3C64XX architecture we keep the DMACH_
- * defines in the order they are allocated to [S]DMA0/[S]DMA1
- * so that is easy to do DHACH_ -> DMA controller conversion
- */
-enum dma_ch {
-	/* DMA0/SDMA0 */
-	DMACH_UART0 = 0,
-	DMACH_UART0_SRC2,
-	DMACH_UART1,
-	DMACH_UART1_SRC2,
-	DMACH_UART2,
-	DMACH_UART2_SRC2,
-	DMACH_UART3,
-	DMACH_UART3_SRC2,
-	DMACH_PCM0_TX,
-	DMACH_PCM0_RX,
-	DMACH_I2S0_OUT,
-	DMACH_I2S0_IN,
-	DMACH_SPI0_TX,
-	DMACH_SPI0_RX,
-	DMACH_HSI_I2SV40_TX,
-	DMACH_HSI_I2SV40_RX,
-
-	/* DMA1/SDMA1 */
-	DMACH_PCM1_TX = 16,
-	DMACH_PCM1_RX,
-	DMACH_I2S1_OUT,
-	DMACH_I2S1_IN,
-	DMACH_SPI1_TX,
-	DMACH_SPI1_RX,
-	DMACH_AC97_PCMOUT,
-	DMACH_AC97_PCMIN,
-	DMACH_AC97_MICIN,
-	DMACH_PWM,
-	DMACH_IRDA,
-	DMACH_EXTERNAL,
-	DMACH_RES1,
-	DMACH_RES2,
-	DMACH_SECURITY_RX,	/* SDMA1 only */
-	DMACH_SECURITY_TX,	/* SDMA1 only */
-	DMACH_MAX		/* the end */
-};
-
-static __inline__ bool s3c_dma_has_circular(void)
-{
-	return true;
-}
-
-#define S3C2410_DMAF_CIRCULAR		(1 << 0)
-
-#include <plat/dma.h>
-
-#endif /* __ASM_ARCH_IRQ_H */
diff --git a/arch/arm/mach-s3c6400/include/mach/gpio-core.h b/arch/arm/mach-s3c6400/include/mach/gpio-core.h
deleted file mode 100644
index d89aae68b0a5..000000000000
--- a/arch/arm/mach-s3c6400/include/mach/gpio-core.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* arch/arm/mach-s3c6400/include/mach/gpio-core.h
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *      http://armlinux.simtec.co.uk/
- *
- * S3C64XX - GPIO core support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARCH_GPIO_CORE_H
-#define __ASM_ARCH_GPIO_CORE_H __FILE__
-
-/* currently we just include the platform support */
-#include <plat/gpio-core.h>
-
-#endif /* __ASM_ARCH_GPIO_CORE_H */
diff --git a/arch/arm/mach-s3c6400/include/mach/irqs.h b/arch/arm/mach-s3c6400/include/mach/irqs.h
deleted file mode 100644
index 4c97f9a4370b..000000000000
--- a/arch/arm/mach-s3c6400/include/mach/irqs.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* linux/arch/arm/mach-s3c6400/include/mach/irqs.h
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *      http://armlinux.simtec.co.uk/
- *
- * S3C6400 - IRQ definitions
- */
-
-#ifndef __ASM_ARCH_IRQS_H
-#define __ASM_ARCH_IRQS_H __FILE__
-
-#include <plat/irqs.h>
-
-#endif /* __ASM_ARCH_IRQ_H */
diff --git a/arch/arm/mach-s3c6400/include/mach/regs-clock.h b/arch/arm/mach-s3c6400/include/mach/regs-clock.h
deleted file mode 100644
index a6c7f4eb3a1b..000000000000
--- a/arch/arm/mach-s3c6400/include/mach/regs-clock.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* linux/arch/arm/mach-s3c6400/include/mach/regs-clock.h
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *	http://armlinux.simtec.co.uk/
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * S3C64XX - clock register compatibility with s3c24xx
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <plat/regs-clock.h>
-
diff --git a/arch/arm/mach-s3c6410/Makefile b/arch/arm/mach-s3c6410/Makefile
deleted file mode 100644
index 3e48c3dbf973..000000000000
--- a/arch/arm/mach-s3c6410/Makefile
+++ /dev/null
@@ -1,26 +0,0 @@
-# arch/arm/plat-s3c6410/Makefile
-#
-# Copyright 2008 Openmoko, Inc.
-# Copyright 2008 Simtec Electronics
-#
-# Licensed under GPLv2
-
-obj-y				:=
-obj-m				:=
-obj-n				:=
-obj-				:=
-
-# Core support for S3C6410 system
-
-obj-$(CONFIG_CPU_S3C6410)	+= cpu.o
-
-# Helper and device support
-
-obj-$(CONFIG_S3C6410_SETUP_SDHCI)	+= setup-sdhci.o
-
-# machine support
-
-obj-$(CONFIG_MACH_ANW6410)	+= mach-anw6410.o
-obj-$(CONFIG_MACH_SMDK6410)	+= mach-smdk6410.o
-obj-$(CONFIG_MACH_NCP)		+= mach-ncp.o
-obj-$(CONFIG_MACH_HMT)		+= mach-hmt.o
diff --git a/arch/arm/mach-s3c6410/setup-sdhci.c b/arch/arm/mach-s3c6410/setup-sdhci.c
deleted file mode 100644
index 816d2d9f9ef8..000000000000
--- a/arch/arm/mach-s3c6410/setup-sdhci.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/* linux/arch/arm/mach-s3c6410/setup-sdhci.c
- *
- * Copyright 2008 Simtec Electronics
- * Copyright 2008 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *	http://armlinux.simtec.co.uk/
- *
- * S3C6410 - Helper functions for settign up SDHCI device(s) (HSMMC)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/io.h>
-
-#include <linux/mmc/card.h>
-#include <linux/mmc/host.h>
-
-#include <plat/regs-sdhci.h>
-#include <plat/sdhci.h>
-
-/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
-
-char *s3c6410_hsmmc_clksrcs[4] = {
-	[0] = "hsmmc",
-	[1] = "hsmmc",
-	[2] = "mmc_bus",
-	/* [3] = "48m", - note not successfully used yet */
-};
-
-
-void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
-				    void __iomem *r,
-				    struct mmc_ios *ios,
-				    struct mmc_card *card)
-{
-	u32 ctrl2, ctrl3;
-
-	/* don't need to alter anything acording to card-type */
-
-	writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA, r + S3C64XX_SDHCI_CONTROL4);
-
-	ctrl2 = readl(r + S3C_SDHCI_CONTROL2);
-	ctrl2 &= S3C_SDHCI_CTRL2_SELBASECLK_MASK;
-	ctrl2 |= (S3C64XX_SDHCI_CTRL2_ENSTAASYNCCLR |
-		  S3C64XX_SDHCI_CTRL2_ENCMDCNFMSK |
-		  S3C_SDHCI_CTRL2_ENFBCLKRX |
-		  S3C_SDHCI_CTRL2_DFCNT_NONE |
-		  S3C_SDHCI_CTRL2_ENCLKOUTHOLD);
-
-	if (ios->clock < 25 * 1000000)
-		ctrl3 = (S3C_SDHCI_CTRL3_FCSEL3 |
-			 S3C_SDHCI_CTRL3_FCSEL2 |
-			 S3C_SDHCI_CTRL3_FCSEL1 |
-			 S3C_SDHCI_CTRL3_FCSEL0);
-	else
-		ctrl3 = (S3C_SDHCI_CTRL3_FCSEL1 | S3C_SDHCI_CTRL3_FCSEL0);
-
-	printk(KERN_INFO "%s: CTRL 2=%08x, 3=%08x\n", __func__, ctrl2, ctrl3);
-	writel(ctrl2, r + S3C_SDHCI_CONTROL2);
-	writel(ctrl3, r + S3C_SDHCI_CONTROL3);
-}
-
diff --git a/arch/arm/mach-s3c6410/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index 162f4561f80f..959df3840de5 100644
--- a/arch/arm/mach-s3c6410/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -1,22 +1,78 @@
 # Copyright 2008 Openmoko, Inc.
-# Copyright 2008 Simtec Electronics
+#	Simtec Electronics, Ben Dooks <ben@simtec.co.uk>
 #
 # Licensed under GPLv2
 
+# temporary until we can eliminate all drivers using it.
+config PLAT_S3C64XX
+	bool
+	depends on ARCH_S3C64XX
+	default y
+	help
+	  Base platform code for any Samsung S3C64XX device
+
+
 # Configuration options for the S3C6410 CPU
 
+config CPU_S3C6400
+	bool
+	help
+	  Enable S3C6400 CPU support
+
 config CPU_S3C6410
 	bool
-	select CPU_S3C6400_INIT
-	select CPU_S3C6400_CLOCK
 	help
 	  Enable S3C6410 CPU support
 
-config S3C6410_SETUP_SDHCI
-	bool
+config S3C64XX_DMA
+	bool "S3C64XX DMA"
+	select S3C_DMA
+
+config S3C64XX_SETUP_SDHCI
 	select S3C64XX_SETUP_SDHCI_GPIO
+	bool
 	help
-	  Internal helper functions for S3C6410 based SDHCI systems
+	  Internal configuration for default SDHCI setup for S3C6400 and
+	  S3C6410 SoCs.
+
+# platform specific device setup
+
+config S3C64XX_SETUP_I2C0
+	bool
+	default y
+	help
+	  Common setup code for i2c bus 0.
+
+	  Note, currently since i2c0 is always compiled, this setup helper
+	  is always compiled with it.
+
+config S3C64XX_SETUP_I2C1
+	bool
+	help
+	  Common setup code for i2c bus 1.
+
+config S3C64XX_SETUP_FB_24BPP
+	bool
+	help
+	  Common setup code for S3C64XX with an 24bpp RGB display helper.
+
+config S3C64XX_SETUP_SDHCI_GPIO
+	bool
+	help
+	  Common setup code for S3C64XX SDHCI GPIO configurations
+
+# S36400 Macchine support
+
+config MACH_SMDK6400
+       bool "SMDK6400"
+	select CPU_S3C6400
+	select S3C_DEV_HSMMC
+	select S3C_DEV_NAND
+	select S3C64XX_SETUP_SDHCI
+	help
+	  Machine support for the Samsung SMDK6400
+
+# S3C6410 machine support
 
 config MACH_ANW6410
 	bool "A&W6410"
@@ -35,7 +91,7 @@ config MACH_SMDK6410
 	select S3C_DEV_FB
 	select S3C_DEV_USB_HOST
 	select S3C_DEV_USB_HSOTG
-	select S3C6410_SETUP_SDHCI
+	select S3C64XX_SETUP_SDHCI
 	select S3C64XX_SETUP_I2C1
 	select S3C64XX_SETUP_FB_24BPP
 	help
@@ -58,7 +114,7 @@ config SMDK6410_SD_CH0
 	  at least some SMDK6410 boards come with the
 	  resistors fitted so that the card detects for
 	  channels 0 and 1 are the same.
-       
+
 config SMDK6410_SD_CH1
 	bool "Use channel 1 only"
 	depends on MACH_SMDK6410
@@ -88,6 +144,21 @@ config SMDK6410_WM1190_EV1
 	  detected at runtime so the the resulting kernel can be used
 	  with or without the 1190-EV1 fitted.
 
+config SMDK6410_WM1192_EV1
+	bool "Support Wolfson Microelectronics 1192-EV1 PMIC card"
+	depends on MACH_SMDK6410
+	select REGULATOR
+	select REGULATOR_WM831X
+	select S3C24XX_GPIO_EXTRA64
+	select MFD_WM831X
+	help
+	  The Wolfson Microelectronics 1192-EV1 is a WM831x based PMIC
+	  daughtercard for the Samsung SMDK6410 reference platform.
+	  Enabling this option will build support for this module into
+	  the kernel.  The presence of the daughtercard will be
+	  detected at runtime so the the resulting kernel can be used
+	  with or without the 1192-EV1 fitted.
+
 config MACH_NCP
 	bool "NCP"
 	select CPU_S3C6410
diff --git a/arch/arm/plat-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
index b85b4359e935..3758e15086be 100644
--- a/arch/arm/plat-s3c64xx/Makefile
+++ b/arch/arm/mach-s3c64xx/Makefile
@@ -1,4 +1,4 @@
-# arch/arm/plat-s3c64xx/Makefile
+# arch/arm/mach-s3c64xx/Makefile
 #
 # Copyright 2008 Openmoko, Inc.
 # Copyright 2008 Simtec Electronics
@@ -7,29 +7,25 @@
 
 obj-y				:=
 obj-m				:=
-obj-n				:= dummy.o
+obj-n				:=
 obj-				:=
 
 # Core files
-
-obj-y				+= dev-uart.o
 obj-y				+= cpu.o
-obj-y				+= irq.o
-obj-y				+= irq-eint.o
 obj-y				+= clock.o
 obj-y				+= gpiolib.o
 
-# CPU support
+# Core support for S3C6400 system
 
-obj-$(CONFIG_CPU_S3C6400_INIT)	+= s3c6400-init.o
-obj-$(CONFIG_CPU_S3C6400_CLOCK)	+= s3c6400-clock.o
-obj-$(CONFIG_CPU_FREQ_S3C64XX)  += cpufreq.o
+obj-$(CONFIG_CPU_S3C6400)	+= s3c6400.o
+obj-$(CONFIG_CPU_S3C6410)	+= s3c6410.o
 
-# PM support
+obj-y				+= irq.o
+obj-y				+= irq-eint.o
 
-obj-$(CONFIG_PM)		+= pm.o
-obj-$(CONFIG_PM)		+= sleep.o
-obj-$(CONFIG_PM)		+= irq-pm.o
+# CPU frequency scaling
+
+obj-$(CONFIG_CPU_FREQ_S3C64XX)  += cpufreq.o
 
 # DMA support
 
@@ -39,6 +35,28 @@ obj-$(CONFIG_S3C64XX_DMA)	+= dma.o
 
 obj-$(CONFIG_S3C64XX_SETUP_I2C0) += setup-i2c0.o
 obj-$(CONFIG_S3C64XX_SETUP_I2C1) += setup-i2c1.o
+obj-$(CONFIG_S3C64XX_SETUP_SDHCI) += setup-sdhci.o
 obj-$(CONFIG_S3C64XX_SETUP_FB_24BPP) += setup-fb-24bpp.o
 obj-$(CONFIG_S3C64XX_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
-obj-$(CONFIG_SND_S3C24XX_SOC) += dev-audio.o
+
+# PM
+
+obj-$(CONFIG_PM)		+= pm.o
+obj-$(CONFIG_PM)		+= sleep.o
+obj-$(CONFIG_PM)		+= irq-pm.o
+
+# Machine support
+
+obj-$(CONFIG_MACH_ANW6410)	+= mach-anw6410.o
+obj-$(CONFIG_MACH_SMDK6400)	+= mach-smdk6400.o
+obj-$(CONFIG_MACH_SMDK6410)	+= mach-smdk6410.o
+obj-$(CONFIG_MACH_NCP)		+= mach-ncp.o
+obj-$(CONFIG_MACH_HMT)		+= mach-hmt.o
+
+# device support
+
+obj-y				+= dev-uart.o
+obj-y				+= dev-rtc.o
+obj-y				+= dev-audio.o
+obj-$(CONFIG_S3C_ADC)		+= dev-adc.o
+obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
diff --git a/arch/arm/mach-s3c6400/Makefile.boot b/arch/arm/mach-s3c64xx/Makefile.boot
index ba41fdc0a586..ba41fdc0a586 100644
--- a/arch/arm/mach-s3c6400/Makefile.boot
+++ b/arch/arm/mach-s3c64xx/Makefile.boot
diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c
new file mode 100644
index 000000000000..2ac2e7d73e53
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/clock.c
@@ -0,0 +1,809 @@
+/* linux/arch/arm/plat-s3c64xx/clock.c
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX Base clock support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+
+#include <mach/regs-sys.h>
+#include <mach/regs-clock.h>
+#include <mach/pll.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/cpu-freq.h>
+#include <plat/clock.h>
+#include <plat/clock-clksrc.h>
+
+/* fin_apll, fin_mpll and fin_epll are all the same clock, which we call
+ * ext_xtal_mux for want of an actual name from the manual.
+*/
+
+static struct clk clk_ext_xtal_mux = {
+	.name		= "ext_xtal",
+	.id		= -1,
+};
+
+#define clk_fin_apll clk_ext_xtal_mux
+#define clk_fin_mpll clk_ext_xtal_mux
+#define clk_fin_epll clk_ext_xtal_mux
+
+#define clk_fout_mpll	clk_mpll
+#define clk_fout_epll	clk_epll
+
+struct clk clk_h2 = {
+	.name		= "hclk2",
+	.id		= -1,
+	.rate		= 0,
+};
+
+struct clk clk_27m = {
+	.name		= "clk_27m",
+	.id		= -1,
+	.rate		= 27000000,
+};
+
+static int clk_48m_ctrl(struct clk *clk, int enable)
+{
+	unsigned long flags;
+	u32 val;
+
+	/* can't rely on clock lock, this register has other usages */
+	local_irq_save(flags);
+
+	val = __raw_readl(S3C64XX_OTHERS);
+	if (enable)
+		val |= S3C64XX_OTHERS_USBMASK;
+	else
+		val &= ~S3C64XX_OTHERS_USBMASK;
+
+	__raw_writel(val, S3C64XX_OTHERS);
+	local_irq_restore(flags);
+
+	return 0;
+}
+
+struct clk clk_48m = {
+	.name		= "clk_48m",
+	.id		= -1,
+	.rate		= 48000000,
+	.enable		= clk_48m_ctrl,
+};
+
+static int inline s3c64xx_gate(void __iomem *reg,
+				struct clk *clk,
+				int enable)
+{
+	unsigned int ctrlbit = clk->ctrlbit;
+	u32 con;
+
+	con = __raw_readl(reg);
+
+	if (enable)
+		con |= ctrlbit;
+	else
+		con &= ~ctrlbit;
+
+	__raw_writel(con, reg);
+	return 0;
+}
+
+static int s3c64xx_pclk_ctrl(struct clk *clk, int enable)
+{
+	return s3c64xx_gate(S3C_PCLK_GATE, clk, enable);
+}
+
+static int s3c64xx_hclk_ctrl(struct clk *clk, int enable)
+{
+	return s3c64xx_gate(S3C_HCLK_GATE, clk, enable);
+}
+
+int s3c64xx_sclk_ctrl(struct clk *clk, int enable)
+{
+	return s3c64xx_gate(S3C_SCLK_GATE, clk, enable);
+}
+
+static struct clk init_clocks_disable[] = {
+	{
+		.name		= "nand",
+		.id		= -1,
+		.parent		= &clk_h,
+	}, {
+		.name		= "adc",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_PCLK_TSADC,
+	}, {
+		.name		= "i2c",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_PCLK_IIC,
+	}, {
+		.name		= "iis",
+		.id		= 0,
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_PCLK_IIS0,
+	}, {
+		.name		= "iis",
+		.id		= 1,
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_PCLK_IIS1,
+	}, {
+#ifdef CONFIG_CPU_S3C6410
+		.name		= "iis",
+		.id		= -1,  /* There's only one IISv4 port */
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C6410_CLKCON_PCLK_IIS2,
+	}, {
+#endif
+		.name		= "spi",
+		.id		= 0,
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_PCLK_SPI0,
+	}, {
+		.name		= "spi",
+		.id		= 1,
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_PCLK_SPI1,
+	}, {
+		.name		= "spi_48m",
+		.id		= 0,
+		.parent		= &clk_48m,
+		.enable		= s3c64xx_sclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_SCLK_SPI0_48,
+	}, {
+		.name		= "spi_48m",
+		.id		= 1,
+		.parent		= &clk_48m,
+		.enable		= s3c64xx_sclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_SCLK_SPI1_48,
+	}, {
+		.name		= "48m",
+		.id		= 0,
+		.parent		= &clk_48m,
+		.enable		= s3c64xx_sclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_SCLK_MMC0_48,
+	}, {
+		.name		= "48m",
+		.id		= 1,
+		.parent		= &clk_48m,
+		.enable		= s3c64xx_sclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_SCLK_MMC1_48,
+	}, {
+		.name		= "48m",
+		.id		= 2,
+		.parent		= &clk_48m,
+		.enable		= s3c64xx_sclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_SCLK_MMC2_48,
+	}, {
+		.name		= "dma0",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s3c64xx_hclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_HCLK_DMA0,
+	}, {
+		.name		= "dma1",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s3c64xx_hclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_HCLK_DMA1,
+	},
+};
+
+static struct clk init_clocks[] = {
+	{
+		.name		= "lcd",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s3c64xx_hclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_HCLK_LCD,
+	}, {
+		.name		= "gpio",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_PCLK_GPIO,
+	}, {
+		.name		= "usb-host",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s3c64xx_hclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_HCLK_UHOST,
+	}, {
+		.name		= "hsmmc",
+		.id		= 0,
+		.parent		= &clk_h,
+		.enable		= s3c64xx_hclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_HCLK_HSMMC0,
+	}, {
+		.name		= "hsmmc",
+		.id		= 1,
+		.parent		= &clk_h,
+		.enable		= s3c64xx_hclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_HCLK_HSMMC1,
+	}, {
+		.name		= "hsmmc",
+		.id		= 2,
+		.parent		= &clk_h,
+		.enable		= s3c64xx_hclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_HCLK_HSMMC2,
+	}, {
+		.name		= "timers",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_PCLK_PWM,
+	}, {
+		.name		= "uart",
+		.id		= 0,
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_PCLK_UART0,
+	}, {
+		.name		= "uart",
+		.id		= 1,
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_PCLK_UART1,
+	}, {
+		.name		= "uart",
+		.id		= 2,
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_PCLK_UART2,
+	}, {
+		.name		= "uart",
+		.id		= 3,
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_PCLK_UART3,
+	}, {
+		.name		= "rtc",
+		.id		= -1,
+		.parent		= &clk_p,
+		.enable		= s3c64xx_pclk_ctrl,
+		.ctrlbit	= S3C_CLKCON_PCLK_RTC,
+	}, {
+		.name		= "watchdog",
+		.id		= -1,
+		.parent		= &clk_p,
+		.ctrlbit	= S3C_CLKCON_PCLK_WDT,
+	}, {
+		.name		= "ac97",
+		.id		= -1,
+		.parent		= &clk_p,
+		.ctrlbit	= S3C_CLKCON_PCLK_AC97,
+	}
+};
+
+
+static struct clk clk_fout_apll = {
+	.name		= "fout_apll",
+	.id		= -1,
+};
+
+static struct clk *clk_src_apll_list[] = {
+	[0] = &clk_fin_apll,
+	[1] = &clk_fout_apll,
+};
+
+static struct clksrc_sources clk_src_apll = {
+	.sources	= clk_src_apll_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_apll_list),
+};
+
+static struct clksrc_clk clk_mout_apll = {
+	.clk	= {
+		.name		= "mout_apll",
+		.id		= -1,
+	},
+	.reg_src	= { .reg = S3C_CLK_SRC, .shift = 0, .size = 1  },
+	.sources	= &clk_src_apll,
+};
+
+static struct clk *clk_src_epll_list[] = {
+	[0] = &clk_fin_epll,
+	[1] = &clk_fout_epll,
+};
+
+static struct clksrc_sources clk_src_epll = {
+	.sources	= clk_src_epll_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_epll_list),
+};
+
+static struct clksrc_clk clk_mout_epll = {
+	.clk	= {
+		.name		= "mout_epll",
+		.id		= -1,
+	},
+	.reg_src	= { .reg = S3C_CLK_SRC, .shift = 2, .size = 1  },
+	.sources	= &clk_src_epll,
+};
+
+static struct clk *clk_src_mpll_list[] = {
+	[0] = &clk_fin_mpll,
+	[1] = &clk_fout_mpll,
+};
+
+static struct clksrc_sources clk_src_mpll = {
+	.sources	= clk_src_mpll_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_mpll_list),
+};
+
+static struct clksrc_clk clk_mout_mpll = {
+	.clk = {
+		.name		= "mout_mpll",
+		.id		= -1,
+	},
+	.reg_src	= { .reg = S3C_CLK_SRC, .shift = 1, .size = 1  },
+	.sources	= &clk_src_mpll,
+};
+
+static unsigned int armclk_mask;
+
+static unsigned long s3c64xx_clk_arm_get_rate(struct clk *clk)
+{
+	unsigned long rate = clk_get_rate(clk->parent);
+	u32 clkdiv;
+
+	/* divisor mask starts at bit0, so no need to shift */
+	clkdiv = __raw_readl(S3C_CLK_DIV0) & armclk_mask;
+
+	return rate / (clkdiv + 1);
+}
+
+static unsigned long s3c64xx_clk_arm_round_rate(struct clk *clk,
+						unsigned long rate)
+{
+	unsigned long parent = clk_get_rate(clk->parent);
+	u32 div;
+
+	if (parent < rate)
+		return parent;
+
+	div = (parent / rate) - 1;
+	if (div > armclk_mask)
+		div = armclk_mask;
+
+	return parent / (div + 1);
+}
+
+static int s3c64xx_clk_arm_set_rate(struct clk *clk, unsigned long rate)
+{
+	unsigned long parent = clk_get_rate(clk->parent);
+	u32 div;
+	u32 val;
+
+	if (rate < parent / (armclk_mask + 1))
+		return -EINVAL;
+
+	rate = clk_round_rate(clk, rate);
+	div = clk_get_rate(clk->parent) / rate;
+
+	val = __raw_readl(S3C_CLK_DIV0);
+	val &= ~armclk_mask;
+	val |= (div - 1);
+	__raw_writel(val, S3C_CLK_DIV0);
+
+	return 0;
+
+}
+
+static struct clk clk_arm = {
+	.name		= "armclk",
+	.id		= -1,
+	.parent		= &clk_mout_apll.clk,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s3c64xx_clk_arm_get_rate,
+		.set_rate	= s3c64xx_clk_arm_set_rate,
+		.round_rate	= s3c64xx_clk_arm_round_rate,
+	},
+};
+
+static unsigned long s3c64xx_clk_doutmpll_get_rate(struct clk *clk)
+{
+	unsigned long rate = clk_get_rate(clk->parent);
+
+	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
+
+	if (__raw_readl(S3C_CLK_DIV0) & S3C6400_CLKDIV0_MPLL_MASK)
+		rate /= 2;
+
+	return rate;
+}
+
+static struct clk_ops clk_dout_ops = {
+	.get_rate	= s3c64xx_clk_doutmpll_get_rate,
+};
+
+static struct clk clk_dout_mpll = {
+	.name		= "dout_mpll",
+	.id		= -1,
+	.parent		= &clk_mout_mpll.clk,
+	.ops		= &clk_dout_ops,
+};
+
+static struct clk *clkset_spi_mmc_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll,
+	&clk_fin_epll,
+	&clk_27m,
+};
+
+static struct clksrc_sources clkset_spi_mmc = {
+	.sources	= clkset_spi_mmc_list,
+	.nr_sources	= ARRAY_SIZE(clkset_spi_mmc_list),
+};
+
+static struct clk *clkset_irda_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll,
+	NULL,
+	&clk_27m,
+};
+
+static struct clksrc_sources clkset_irda = {
+	.sources	= clkset_irda_list,
+	.nr_sources	= ARRAY_SIZE(clkset_irda_list),
+};
+
+static struct clk *clkset_uart_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll,
+	NULL,
+	NULL
+};
+
+static struct clksrc_sources clkset_uart = {
+	.sources	= clkset_uart_list,
+	.nr_sources	= ARRAY_SIZE(clkset_uart_list),
+};
+
+static struct clk *clkset_uhost_list[] = {
+	&clk_48m,
+	&clk_mout_epll.clk,
+	&clk_dout_mpll,
+	&clk_fin_epll,
+};
+
+static struct clksrc_sources clkset_uhost = {
+	.sources	= clkset_uhost_list,
+	.nr_sources	= ARRAY_SIZE(clkset_uhost_list),
+};
+
+/* The peripheral clocks are all controlled via clocksource followed
+ * by an optional divider and gate stage. We currently roll this into
+ * one clock which hides the intermediate clock from the mux.
+ *
+ * Note, the JPEG clock can only be an even divider...
+ *
+ * The scaler and LCD clocks depend on the S3C64XX version, and also
+ * have a common parent divisor so are not included here.
+ */
+
+/* clocks that feed other parts of the clock source tree */
+
+static struct clk clk_iis_cd0 = {
+	.name		= "iis_cdclk0",
+	.id		= -1,
+};
+
+static struct clk clk_iis_cd1 = {
+	.name		= "iis_cdclk1",
+	.id		= -1,
+};
+
+static struct clk clk_pcm_cd = {
+	.name		= "pcm_cdclk",
+	.id		= -1,
+};
+
+static struct clk *clkset_audio0_list[] = {
+	[0] = &clk_mout_epll.clk,
+	[1] = &clk_dout_mpll,
+	[2] = &clk_fin_epll,
+	[3] = &clk_iis_cd0,
+	[4] = &clk_pcm_cd,
+};
+
+static struct clksrc_sources clkset_audio0 = {
+	.sources	= clkset_audio0_list,
+	.nr_sources	= ARRAY_SIZE(clkset_audio0_list),
+};
+
+static struct clk *clkset_audio1_list[] = {
+	[0] = &clk_mout_epll.clk,
+	[1] = &clk_dout_mpll,
+	[2] = &clk_fin_epll,
+	[3] = &clk_iis_cd1,
+	[4] = &clk_pcm_cd,
+};
+
+static struct clksrc_sources clkset_audio1 = {
+	.sources	= clkset_audio1_list,
+	.nr_sources	= ARRAY_SIZE(clkset_audio1_list),
+};
+
+static struct clk *clkset_camif_list[] = {
+	&clk_h2,
+};
+
+static struct clksrc_sources clkset_camif = {
+	.sources	= clkset_camif_list,
+	.nr_sources	= ARRAY_SIZE(clkset_camif_list),
+};
+
+static struct clksrc_clk clksrcs[] = {
+	{
+		.clk	= {
+			.name		= "mmc_bus",
+			.id		= 0,
+			.ctrlbit        = S3C_CLKCON_SCLK_MMC0,
+			.enable		= s3c64xx_sclk_ctrl,
+		},
+		.reg_src	= { .reg = S3C_CLK_SRC, .shift = 18, .size = 2  },
+		.reg_div	= { .reg = S3C_CLK_DIV1, .shift = 0, .size = 4  },
+		.sources	= &clkset_spi_mmc,
+	}, {
+		.clk	= {
+			.name		= "mmc_bus",
+			.id		= 1,
+			.ctrlbit        = S3C_CLKCON_SCLK_MMC1,
+			.enable		= s3c64xx_sclk_ctrl,
+		},
+		.reg_src	= { .reg = S3C_CLK_SRC, .shift = 20, .size = 2  },
+		.reg_div	= { .reg = S3C_CLK_DIV1, .shift = 4, .size = 4  },
+		.sources	= &clkset_spi_mmc,
+	}, {
+		.clk	= {
+			.name		= "mmc_bus",
+			.id		= 2,
+			.ctrlbit        = S3C_CLKCON_SCLK_MMC2,
+			.enable		= s3c64xx_sclk_ctrl,
+		},
+		.reg_src	= { .reg = S3C_CLK_SRC, .shift = 22, .size = 2  },
+		.reg_div 	= { .reg = S3C_CLK_DIV1, .shift = 8, .size = 4  },
+		.sources	= &clkset_spi_mmc,
+	}, {
+		.clk	= {
+			.name		= "usb-bus-host",
+			.id		= -1,
+			.ctrlbit        = S3C_CLKCON_SCLK_UHOST,
+			.enable		= s3c64xx_sclk_ctrl,
+		},
+		.reg_src 	= { .reg = S3C_CLK_SRC, .shift = 5, .size = 2  },
+		.reg_div	= { .reg = S3C_CLK_DIV1, .shift = 20, .size = 4  },
+		.sources	= &clkset_uhost,
+	}, {
+		.clk	= {
+			.name		= "uclk1",
+			.id		= -1,
+			.ctrlbit        = S3C_CLKCON_SCLK_UART,
+			.enable		= s3c64xx_sclk_ctrl,
+		},
+		.reg_src	= { .reg = S3C_CLK_SRC, .shift = 13, .size = 1  },
+		.reg_div	= { .reg = S3C_CLK_DIV2, .shift = 16, .size = 4  },
+		.sources	= &clkset_uart,
+	}, {
+/* Where does UCLK0 come from? */
+		.clk	= {
+			.name		= "spi-bus",
+			.id		= 0,
+			.ctrlbit        = S3C_CLKCON_SCLK_SPI0,
+			.enable		= s3c64xx_sclk_ctrl,
+		},
+		.reg_src	= { .reg = S3C_CLK_SRC, .shift = 14, .size = 2  },
+		.reg_div	= { .reg = S3C_CLK_DIV2, .shift = 0, .size = 4  },
+		.sources	= &clkset_spi_mmc,
+	}, {
+		.clk	= {
+			.name		= "spi-bus",
+			.id		= 1,
+			.ctrlbit        = S3C_CLKCON_SCLK_SPI1,
+			.enable		= s3c64xx_sclk_ctrl,
+		},
+		.reg_src	= { .reg = S3C_CLK_SRC, .shift = 16, .size = 2  },
+		.reg_div	= { .reg = S3C_CLK_DIV2, .shift = 4, .size = 4  },
+		.sources	= &clkset_spi_mmc,
+	}, {
+		.clk	= {
+			.name		= "audio-bus",
+			.id		= 0,
+			.ctrlbit        = S3C_CLKCON_SCLK_AUDIO0,
+			.enable		= s3c64xx_sclk_ctrl,
+		},
+		.reg_src	= { .reg = S3C_CLK_SRC, .shift = 7, .size = 3  },
+		.reg_div	= { .reg = S3C_CLK_DIV2, .shift = 8, .size = 4  },
+		.sources	= &clkset_audio0,
+	}, {
+		.clk	= {
+			.name		= "audio-bus",
+			.id		= 1,
+			.ctrlbit        = S3C_CLKCON_SCLK_AUDIO1,
+			.enable		= s3c64xx_sclk_ctrl,
+		},
+		.reg_src	= { .reg = S3C_CLK_SRC, .shift = 10, .size = 3  },
+		.reg_div	= { .reg = S3C_CLK_DIV2, .shift = 12, .size = 4  },
+		.sources	= &clkset_audio1,
+	}, {
+		.clk	= {
+			.name		= "irda-bus",
+			.id		= 0,
+			.ctrlbit        = S3C_CLKCON_SCLK_IRDA,
+			.enable		= s3c64xx_sclk_ctrl,
+		},
+		.reg_src	= { .reg = S3C_CLK_SRC, .shift = 24, .size = 2  },
+		.reg_div	= { .reg = S3C_CLK_DIV2, .shift = 20, .size = 4  },
+		.sources	= &clkset_irda,
+	}, {
+		.clk	= {
+			.name		= "camera",
+			.id		= -1,
+			.ctrlbit        = S3C_CLKCON_SCLK_CAM,
+			.enable		= s3c64xx_sclk_ctrl,
+		},
+		.reg_div	= { .reg = S3C_CLK_DIV0, .shift = 20, .size = 4  },
+		.reg_src	= { .reg = NULL, .shift = 0, .size = 0  },
+		.sources	= &clkset_camif,
+	},
+};
+
+/* Clock initialisation code */
+
+static struct clksrc_clk *init_parents[] = {
+	&clk_mout_apll,
+	&clk_mout_epll,
+	&clk_mout_mpll,
+};
+
+#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
+
+void __init_or_cpufreq s3c6400_setup_clocks(void)
+{
+	struct clk *xtal_clk;
+	unsigned long xtal;
+	unsigned long fclk;
+	unsigned long hclk;
+	unsigned long hclk2;
+	unsigned long pclk;
+	unsigned long epll;
+	unsigned long apll;
+	unsigned long mpll;
+	unsigned int ptr;
+	u32 clkdiv0;
+
+	printk(KERN_DEBUG "%s: registering clocks\n", __func__);
+
+	clkdiv0 = __raw_readl(S3C_CLK_DIV0);
+	printk(KERN_DEBUG "%s: clkdiv0 = %08x\n", __func__, clkdiv0);
+
+	xtal_clk = clk_get(NULL, "xtal");
+	BUG_ON(IS_ERR(xtal_clk));
+
+	xtal = clk_get_rate(xtal_clk);
+	clk_put(xtal_clk);
+
+	printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
+
+	/* For now assume the mux always selects the crystal */
+	clk_ext_xtal_mux.parent = xtal_clk;
+
+	epll = s3c6400_get_epll(xtal);
+	mpll = s3c6400_get_pll(xtal, __raw_readl(S3C_MPLL_CON));
+	apll = s3c6400_get_pll(xtal, __raw_readl(S3C_APLL_CON));
+
+	fclk = mpll;
+
+	printk(KERN_INFO "S3C64XX: PLL settings, A=%ld, M=%ld, E=%ld\n",
+	       apll, mpll, epll);
+
+	hclk2 = mpll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2);
+	hclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK);
+	pclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_PCLK);
+
+	printk(KERN_INFO "S3C64XX: HCLK2=%ld, HCLK=%ld, PCLK=%ld\n",
+	       hclk2, hclk, pclk);
+
+	clk_fout_mpll.rate = mpll;
+	clk_fout_epll.rate = epll;
+	clk_fout_apll.rate = apll;
+
+	clk_h2.rate = hclk2;
+	clk_h.rate = hclk;
+	clk_p.rate = pclk;
+	clk_f.rate = fclk;
+
+	for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++)
+		s3c_set_clksrc(init_parents[ptr], true);
+
+	for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
+		s3c_set_clksrc(&clksrcs[ptr], true);
+}
+
+static struct clk *clks1[] __initdata = {
+	&clk_ext_xtal_mux,
+	&clk_iis_cd0,
+	&clk_iis_cd1,
+	&clk_pcm_cd,
+	&clk_mout_epll.clk,
+	&clk_mout_mpll.clk,
+	&clk_dout_mpll,
+	&clk_arm,
+};
+
+static struct clk *clks[] __initdata = {
+	&clk_ext,
+	&clk_epll,
+	&clk_27m,
+	&clk_48m,
+	&clk_h2,
+};
+
+/**
+ * s3c64xx_register_clocks - register clocks for s3c6400 and s3c6410
+ * @xtal: The rate for the clock crystal feeding the PLLs.
+ * @armclk_divlimit: Divisor mask for ARMCLK.
+ *
+ * Register the clocks for the S3C6400 and S3C6410 SoC range, such
+ * as ARMCLK as well as the necessary parent clocks.
+ *
+ * This call does not setup the clocks, which is left to the
+ * s3c6400_setup_clocks() call which may be needed by the cpufreq
+ * or resume code to re-set the clocks if the bootloader has changed
+ * them.
+ */
+void __init s3c64xx_register_clocks(unsigned long xtal, 
+				    unsigned armclk_divlimit)
+{
+	struct clk *clkp;
+	int ret;
+	int ptr;
+
+	armclk_mask = armclk_divlimit;
+
+	s3c24xx_register_baseclocks(xtal);
+	s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
+
+	s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
+
+	clkp = init_clocks_disable;
+	for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
+
+		ret = s3c24xx_register_clock(clkp);
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       clkp->name, ret);
+		}
+
+		(clkp->enable)(clkp, 0);
+	}
+
+	s3c24xx_register_clocks(clks1, ARRAY_SIZE(clks1));
+	s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
+	s3c_pwmclk_init();
+}
diff --git a/arch/arm/plat-s3c64xx/cpu.c b/arch/arm/mach-s3c64xx/cpu.c
index 49796d2db86d..374e45e566b8 100644
--- a/arch/arm/plat-s3c64xx/cpu.c
+++ b/arch/arm/mach-s3c64xx/cpu.c
@@ -33,8 +33,8 @@
 #include <plat/devs.h>
 #include <plat/clock.h>
 
-#include <plat/s3c6400.h>
-#include <plat/s3c6410.h>
+#include <mach/s3c6400.h>
+#include <mach/s3c6410.h>
 
 /* table of supported CPUs */
 
@@ -73,17 +73,22 @@ static struct map_desc s3c_iodesc[] __initdata = {
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
 	}, {
+		.virtual	= (unsigned long)S3C_VA_MEM,
+		.pfn		= __phys_to_pfn(S3C64XX_PA_SROM),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
 		.virtual	= (unsigned long)(S3C_VA_UART + UART_OFFS),
 		.pfn		= __phys_to_pfn(S3C_PA_UART),
 		.length		= SZ_4K,
 		.type		= MT_DEVICE,
 	}, {
-		.virtual	= (unsigned long)S3C_VA_VIC0,
+		.virtual	= (unsigned long)VA_VIC0,
 		.pfn		= __phys_to_pfn(S3C64XX_PA_VIC0),
 		.length		= SZ_16K,
 		.type		= MT_DEVICE,
 	}, {
-		.virtual	= (unsigned long)S3C_VA_VIC1,
+		.virtual	= (unsigned long)VA_VIC1,
 		.pfn		= __phys_to_pfn(S3C64XX_PA_VIC1),
 		.length		= SZ_16K,
 		.type		= MT_DEVICE,
@@ -124,6 +129,12 @@ static struct sys_device s3c64xx_sysdev = {
 	.cls	= &s3c64xx_sysclass,
 };
 
+/* uart registration process */
+
+void __init s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	s3c24xx_init_uartdevs("s3c6400-uart", s3c64xx_uart_resources, cfg, no);
+}
 
 /* read cpu identification code */
 
diff --git a/arch/arm/plat-s3c64xx/cpufreq.c b/arch/arm/mach-s3c64xx/cpufreq.c
index 74c0e8347de5..74c0e8347de5 100644
--- a/arch/arm/plat-s3c64xx/cpufreq.c
+++ b/arch/arm/mach-s3c64xx/cpufreq.c
diff --git a/arch/arm/mach-s3c64xx/dev-adc.c b/arch/arm/mach-s3c64xx/dev-adc.c
new file mode 100644
index 000000000000..fafef9b6bcfa
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/dev-adc.c
@@ -0,0 +1,46 @@
+/* linux/arch/arm/plat-s3c64xx/dev-adc.c
+ *
+ * Copyright 2010 Maurus Cuelenaere
+ *
+ * S3C64xx series device definition for ADC device
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/adc.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+static struct resource s3c_adc_resource[] = {
+	[0] = {
+		.start = S3C64XX_PA_ADC,
+		.end   = S3C64XX_PA_ADC + SZ_256 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_TC,
+		.end   = IRQ_TC,
+		.flags = IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start = IRQ_ADC,
+		.end   = IRQ_ADC,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device s3c_device_adc = {
+	.name		= "s3c64xx-adc",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(s3c_adc_resource),
+	.resource	= s3c_adc_resource,
+};
diff --git a/arch/arm/mach-s3c64xx/dev-audio.c b/arch/arm/mach-s3c64xx/dev-audio.c
new file mode 100644
index 000000000000..c3e9e73bd0f9
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/dev-audio.c
@@ -0,0 +1,335 @@
+/* linux/arch/arm/plat-s3c/dev-audio.c
+ *
+ * Copyright 2009 Wolfson Microelectronics
+ *      Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+#include <mach/dma.h>
+#include <mach/gpio.h>
+
+#include <plat/devs.h>
+#include <plat/audio.h>
+#include <plat/gpio-cfg.h>
+
+#include <mach/gpio-bank-c.h>
+#include <mach/gpio-bank-d.h>
+#include <mach/gpio-bank-e.h>
+#include <mach/gpio-bank-h.h>
+
+static int s3c64xx_i2sv3_cfg_gpio(struct platform_device *pdev)
+{
+	switch (pdev->id) {
+	case 0:
+		s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_I2S0_CLK);
+		s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_I2S0_CDCLK);
+		s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_I2S0_LRCLK);
+		s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_I2S0_DI);
+		s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_I2S0_D0);
+		break;
+	case 1:
+		s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_I2S1_CLK);
+		s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_I2S1_CDCLK);
+		s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_I2S1_LRCLK);
+		s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_I2S1_DI);
+		s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_I2S1_D0);
+	default:
+		printk(KERN_DEBUG "Invalid I2S Controller number!");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static int s3c64xx_i2sv4_cfg_gpio(struct platform_device *pdev)
+{
+	s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C64XX_GPC4_I2S_V40_DO0);
+	s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C64XX_GPC5_I2S_V40_DO1);
+	s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C64XX_GPC7_I2S_V40_DO2);
+	s3c_gpio_cfgpin(S3C64XX_GPH(6), S3C64XX_GPH6_I2S_V40_BCLK);
+	s3c_gpio_cfgpin(S3C64XX_GPH(7), S3C64XX_GPH7_I2S_V40_CDCLK);
+	s3c_gpio_cfgpin(S3C64XX_GPH(8), S3C64XX_GPH8_I2S_V40_LRCLK);
+	s3c_gpio_cfgpin(S3C64XX_GPH(9), S3C64XX_GPH9_I2S_V40_DI);
+
+	return 0;
+}
+
+static struct resource s3c64xx_iis0_resource[] = {
+	[0] = {
+		.start = S3C64XX_PA_IIS0,
+		.end   = S3C64XX_PA_IIS0 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_I2S0_OUT,
+		.end   = DMACH_I2S0_OUT,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_I2S0_IN,
+		.end   = DMACH_I2S0_IN,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static struct s3c_audio_pdata s3c_i2s0_pdata = {
+	.cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
+};
+
+struct platform_device s3c64xx_device_iis0 = {
+	.name		  = "s3c64xx-iis",
+	.id		  = 0,
+	.num_resources	  = ARRAY_SIZE(s3c64xx_iis0_resource),
+	.resource	  = s3c64xx_iis0_resource,
+	.dev = {
+		.platform_data = &s3c_i2s0_pdata,
+	},
+};
+EXPORT_SYMBOL(s3c64xx_device_iis0);
+
+static struct resource s3c64xx_iis1_resource[] = {
+	[0] = {
+		.start = S3C64XX_PA_IIS1,
+		.end   = S3C64XX_PA_IIS1 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_I2S1_OUT,
+		.end   = DMACH_I2S1_OUT,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_I2S1_IN,
+		.end   = DMACH_I2S1_IN,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static struct s3c_audio_pdata s3c_i2s1_pdata = {
+	.cfg_gpio = s3c64xx_i2sv3_cfg_gpio,
+};
+
+struct platform_device s3c64xx_device_iis1 = {
+	.name		  = "s3c64xx-iis",
+	.id		  = 1,
+	.num_resources	  = ARRAY_SIZE(s3c64xx_iis1_resource),
+	.resource	  = s3c64xx_iis1_resource,
+	.dev = {
+		.platform_data = &s3c_i2s1_pdata,
+	},
+};
+EXPORT_SYMBOL(s3c64xx_device_iis1);
+
+static struct resource s3c64xx_iisv4_resource[] = {
+	[0] = {
+		.start = S3C64XX_PA_IISV4,
+		.end   = S3C64XX_PA_IISV4 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_HSI_I2SV40_TX,
+		.end   = DMACH_HSI_I2SV40_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_HSI_I2SV40_RX,
+		.end   = DMACH_HSI_I2SV40_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static struct s3c_audio_pdata s3c_i2sv4_pdata = {
+	.cfg_gpio = s3c64xx_i2sv4_cfg_gpio,
+};
+
+struct platform_device s3c64xx_device_iisv4 = {
+	.name		  = "s3c64xx-iis-v4",
+	.id		  = -1,
+	.num_resources	  = ARRAY_SIZE(s3c64xx_iisv4_resource),
+	.resource	  = s3c64xx_iisv4_resource,
+	.dev = {
+		.platform_data = &s3c_i2sv4_pdata,
+	},
+};
+EXPORT_SYMBOL(s3c64xx_device_iisv4);
+
+
+/* PCM Controller platform_devices */
+
+static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
+{
+	switch (pdev->id) {
+	case 0:
+		s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_PCM0_SCLK);
+		s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_PCM0_EXTCLK);
+		s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_PCM0_FSYNC);
+		s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_PCM0_SIN);
+		s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_PCM0_SOUT);
+		break;
+	case 1:
+		s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_PCM1_SCLK);
+		s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_PCM1_EXTCLK);
+		s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_PCM1_FSYNC);
+		s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_PCM1_SIN);
+		s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_PCM1_SOUT);
+		break;
+	default:
+		printk(KERN_DEBUG "Invalid PCM Controller number!");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct resource s3c64xx_pcm0_resource[] = {
+	[0] = {
+		.start = S3C64XX_PA_PCM0,
+		.end   = S3C64XX_PA_PCM0 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_PCM0_TX,
+		.end   = DMACH_PCM0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_PCM0_RX,
+		.end   = DMACH_PCM0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static struct s3c_audio_pdata s3c_pcm0_pdata = {
+	.cfg_gpio = s3c64xx_pcm_cfg_gpio,
+};
+
+struct platform_device s3c64xx_device_pcm0 = {
+	.name		  = "samsung-pcm",
+	.id		  = 0,
+	.num_resources	  = ARRAY_SIZE(s3c64xx_pcm0_resource),
+	.resource	  = s3c64xx_pcm0_resource,
+	.dev = {
+		.platform_data = &s3c_pcm0_pdata,
+	},
+};
+EXPORT_SYMBOL(s3c64xx_device_pcm0);
+
+static struct resource s3c64xx_pcm1_resource[] = {
+	[0] = {
+		.start = S3C64XX_PA_PCM1,
+		.end   = S3C64XX_PA_PCM1 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_PCM1_TX,
+		.end   = DMACH_PCM1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_PCM1_RX,
+		.end   = DMACH_PCM1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static struct s3c_audio_pdata s3c_pcm1_pdata = {
+	.cfg_gpio = s3c64xx_pcm_cfg_gpio,
+};
+
+struct platform_device s3c64xx_device_pcm1 = {
+	.name		  = "samsung-pcm",
+	.id		  = 1,
+	.num_resources	  = ARRAY_SIZE(s3c64xx_pcm1_resource),
+	.resource	  = s3c64xx_pcm1_resource,
+	.dev = {
+		.platform_data = &s3c_pcm1_pdata,
+	},
+};
+EXPORT_SYMBOL(s3c64xx_device_pcm1);
+
+/* AC97 Controller platform devices */
+
+static int s3c64xx_ac97_cfg_gpd(struct platform_device *pdev)
+{
+	s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_AC97_BITCLK);
+	s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_AC97_nRESET);
+	s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_AC97_SYNC);
+	s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_AC97_SDI);
+	s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_AC97_SDO);
+
+	return 0;
+}
+
+static int s3c64xx_ac97_cfg_gpe(struct platform_device *pdev)
+{
+	s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_AC97_BITCLK);
+	s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_AC97_nRESET);
+	s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_AC97_SYNC);
+	s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_AC97_SDI);
+	s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_AC97_SDO);
+
+	return 0;
+}
+
+static struct resource s3c64xx_ac97_resource[] = {
+	[0] = {
+		.start = S3C64XX_PA_AC97,
+		.end   = S3C64XX_PA_AC97 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_AC97_PCMOUT,
+		.end   = DMACH_AC97_PCMOUT,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_AC97_PCMIN,
+		.end   = DMACH_AC97_PCMIN,
+		.flags = IORESOURCE_DMA,
+	},
+	[3] = {
+		.start = DMACH_AC97_MICIN,
+		.end   = DMACH_AC97_MICIN,
+		.flags = IORESOURCE_DMA,
+	},
+	[4] = {
+		.start = IRQ_AC97,
+		.end   = IRQ_AC97,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c_audio_pdata s3c_ac97_pdata;
+
+static u64 s3c64xx_ac97_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s3c64xx_device_ac97 = {
+	.name		  = "s3c-ac97",
+	.id		  = -1,
+	.num_resources	  = ARRAY_SIZE(s3c64xx_ac97_resource),
+	.resource	  = s3c64xx_ac97_resource,
+	.dev = {
+		.platform_data = &s3c_ac97_pdata,
+		.dma_mask = &s3c64xx_ac97_dmamask,
+		.coherent_dma_mask = DMA_BIT_MASK(32),
+	},
+};
+EXPORT_SYMBOL(s3c64xx_device_ac97);
+
+void __init s3c64xx_ac97_setup_gpio(int num)
+{
+	if (num == S3C64XX_AC97_GPD)
+		s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpd;
+	else
+		s3c_ac97_pdata.cfg_gpio = s3c64xx_ac97_cfg_gpe;
+}
diff --git a/arch/arm/mach-s3c64xx/dev-rtc.c b/arch/arm/mach-s3c64xx/dev-rtc.c
new file mode 100644
index 000000000000..b9e7a05f0129
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/dev-rtc.c
@@ -0,0 +1,43 @@
+/* linux/arch/arm/plat-s3c64xx/dev-rtc.c
+ *
+ * Copyright 2009 by Maurus Cuelenaere <mcuelenaere@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+
+#include <mach/irqs.h>
+#include <mach/map.h>
+
+#include <plat/devs.h>
+
+static struct resource s3c_rtc_resource[] = {
+	[0] = {
+		.start = S3C64XX_PA_RTC,
+		.end   = S3C64XX_PA_RTC + 0xff,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_RTC_ALARM,
+		.end   = IRQ_RTC_ALARM,
+		.flags = IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start = IRQ_RTC_TIC,
+		.end   = IRQ_RTC_TIC,
+		.flags = IORESOURCE_IRQ
+	}
+};
+
+struct platform_device s3c_device_rtc = {
+	.name		  = "s3c64xx-rtc",
+	.id		  = -1,
+	.num_resources	  = ARRAY_SIZE(s3c_rtc_resource),
+	.resource	  = s3c_rtc_resource,
+};
+EXPORT_SYMBOL(s3c_device_rtc);
diff --git a/arch/arm/mach-s3c64xx/dev-spi.c b/arch/arm/mach-s3c64xx/dev-spi.c
new file mode 100644
index 000000000000..29c32d088515
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/dev-spi.c
@@ -0,0 +1,182 @@
+/* linux/arch/arm/plat-s3c64xx/dev-spi.c
+ *
+ * Copyright (C) 2009 Samsung Electronics Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <mach/dma.h>
+#include <mach/map.h>
+#include <mach/gpio.h>
+#include <mach/gpio-bank-c.h>
+#include <mach/spi-clocks.h>
+
+#include <plat/s3c64xx-spi.h>
+#include <plat/gpio-cfg.h>
+#include <plat/irqs.h>
+
+static char *spi_src_clks[] = {
+	[S3C64XX_SPI_SRCCLK_PCLK] = "pclk",
+	[S3C64XX_SPI_SRCCLK_SPIBUS] = "spi-bus",
+	[S3C64XX_SPI_SRCCLK_48M] = "spi_48m",
+};
+
+/* SPI Controller platform_devices */
+
+/* Since we emulate multi-cs capability, we do not touch the GPC-3,7.
+ * The emulated CS is toggled by board specific mechanism, as it can
+ * be either some immediate GPIO or some signal out of some other
+ * chip in between ... or some yet another way.
+ * We simply do not assume anything about CS.
+ */
+static int s3c64xx_spi_cfg_gpio(struct platform_device *pdev)
+{
+	switch (pdev->id) {
+	case 0:
+		s3c_gpio_cfgpin(S3C64XX_GPC(0), S3C64XX_GPC0_SPI_MISO0);
+		s3c_gpio_cfgpin(S3C64XX_GPC(1), S3C64XX_GPC1_SPI_CLKO);
+		s3c_gpio_cfgpin(S3C64XX_GPC(2), S3C64XX_GPC2_SPI_MOSIO);
+		s3c_gpio_setpull(S3C64XX_GPC(0), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S3C64XX_GPC(1), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S3C64XX_GPC(2), S3C_GPIO_PULL_UP);
+		break;
+
+	case 1:
+		s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C64XX_GPC4_SPI_MISO1);
+		s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C64XX_GPC5_SPI_CLK1);
+		s3c_gpio_cfgpin(S3C64XX_GPC(6), S3C64XX_GPC6_SPI_MOSI1);
+		s3c_gpio_setpull(S3C64XX_GPC(4), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S3C64XX_GPC(5), S3C_GPIO_PULL_UP);
+		s3c_gpio_setpull(S3C64XX_GPC(6), S3C_GPIO_PULL_UP);
+		break;
+
+	default:
+		dev_err(&pdev->dev, "Invalid SPI Controller number!");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static struct resource s3c64xx_spi0_resource[] = {
+	[0] = {
+		.start = S3C64XX_PA_SPI0,
+		.end   = S3C64XX_PA_SPI0 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_SPI0_TX,
+		.end   = DMACH_SPI0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_SPI0_RX,
+		.end   = DMACH_SPI0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+	[3] = {
+		.start = IRQ_SPI0,
+		.end   = IRQ_SPI0,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c64xx_spi_info s3c64xx_spi0_pdata = {
+	.cfg_gpio = s3c64xx_spi_cfg_gpio,
+	.fifo_lvl_mask = 0x7f,
+	.rx_lvl_offset = 13,
+};
+
+static u64 spi_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s3c64xx_device_spi0 = {
+	.name		  = "s3c64xx-spi",
+	.id		  = 0,
+	.num_resources	  = ARRAY_SIZE(s3c64xx_spi0_resource),
+	.resource	  = s3c64xx_spi0_resource,
+	.dev = {
+		.dma_mask		= &spi_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data = &s3c64xx_spi0_pdata,
+	},
+};
+EXPORT_SYMBOL(s3c64xx_device_spi0);
+
+static struct resource s3c64xx_spi1_resource[] = {
+	[0] = {
+		.start = S3C64XX_PA_SPI1,
+		.end   = S3C64XX_PA_SPI1 + 0x100 - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = DMACH_SPI1_TX,
+		.end   = DMACH_SPI1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = DMACH_SPI1_RX,
+		.end   = DMACH_SPI1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+	[3] = {
+		.start = IRQ_SPI1,
+		.end   = IRQ_SPI1,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct s3c64xx_spi_info s3c64xx_spi1_pdata = {
+	.cfg_gpio = s3c64xx_spi_cfg_gpio,
+	.fifo_lvl_mask = 0x7f,
+	.rx_lvl_offset = 13,
+};
+
+struct platform_device s3c64xx_device_spi1 = {
+	.name		  = "s3c64xx-spi",
+	.id		  = 1,
+	.num_resources	  = ARRAY_SIZE(s3c64xx_spi1_resource),
+	.resource	  = s3c64xx_spi1_resource,
+	.dev = {
+		.dma_mask		= &spi_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+		.platform_data = &s3c64xx_spi1_pdata,
+	},
+};
+EXPORT_SYMBOL(s3c64xx_device_spi1);
+
+void __init s3c64xx_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
+{
+	struct s3c64xx_spi_info *pd;
+
+	/* Reject invalid configuration */
+	if (!num_cs || src_clk_nr < 0
+			|| src_clk_nr > S3C64XX_SPI_SRCCLK_48M) {
+		printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
+		return;
+	}
+
+	switch (cntrlr) {
+	case 0:
+		pd = &s3c64xx_spi0_pdata;
+		break;
+	case 1:
+		pd = &s3c64xx_spi1_pdata;
+		break;
+	default:
+		printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
+							__func__, cntrlr);
+		return;
+	}
+
+	pd->num_cs = num_cs;
+	pd->src_clk_nr = src_clk_nr;
+	pd->src_clk_name = spi_src_clks[src_clk_nr];
+}
diff --git a/arch/arm/plat-s3c64xx/dev-uart.c b/arch/arm/mach-s3c64xx/dev-uart.c
index 62c11a6fc7ba..f797f748b999 100644
--- a/arch/arm/plat-s3c64xx/dev-uart.c
+++ b/arch/arm/mach-s3c64xx/dev-uart.c
@@ -145,32 +145,3 @@ struct s3c24xx_uart_resources s3c64xx_uart_resources[] __initdata = {
 		.nr_resources	= ARRAY_SIZE(s3c64xx_uart3_resource),
 	},
 };
-
-/* uart devices */
-
-static struct platform_device s3c24xx_uart_device0 = {
-	.id		= 0,
-};
-
-static struct platform_device s3c24xx_uart_device1 = {
-	.id		= 1,
-};
-
-static struct platform_device s3c24xx_uart_device2 = {
-	.id		= 2,
-};
-
-static struct platform_device s3c24xx_uart_device3 = {
-	.id		= 3,
-};
-
-struct platform_device *s3c24xx_uart_src[4] = {
-	&s3c24xx_uart_device0,
-	&s3c24xx_uart_device1,
-	&s3c24xx_uart_device2,
-	&s3c24xx_uart_device3,
-};
-
-struct platform_device *s3c24xx_uart_devs[4] = {
-};
-
diff --git a/arch/arm/plat-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c
index d554b936fcfb..b62bdf18dca4 100644
--- a/arch/arm/plat-s3c64xx/dma.c
+++ b/arch/arm/mach-s3c64xx/dma.c
@@ -27,8 +27,7 @@
 #include <mach/map.h>
 #include <mach/irqs.h>
 
-#include <plat/dma-plat.h>
-#include <plat/regs-sys.h>
+#include <mach/regs-sys.h>
 
 #include <asm/hardware/pl080.h>
 
diff --git a/arch/arm/plat-s3c64xx/gpiolib.c b/arch/arm/mach-s3c64xx/gpiolib.c
index 778560457277..66e6794481d2 100644
--- a/arch/arm/plat-s3c64xx/gpiolib.c
+++ b/arch/arm/mach-s3c64xx/gpiolib.c
@@ -18,11 +18,11 @@
 
 #include <mach/map.h>
 #include <mach/gpio.h>
-#include <mach/gpio-core.h>
 
+#include <plat/gpio-core.h>
 #include <plat/gpio-cfg.h>
 #include <plat/gpio-cfg-helpers.h>
-#include <plat/regs-gpio.h>
+#include <mach/regs-gpio.h>
 
 /* GPIO bank summary:
  *
@@ -49,150 +49,6 @@
  * [2] BANK has two control registers, GPxCON0 and GPxCON1
  */
 
-#define OFF_GPCON	(0x00)
-#define OFF_GPDAT	(0x04)
-
-#define con_4bit_shift(__off) ((__off) * 4)
-
-#if 1
-#define gpio_dbg(x...) do { } while(0)
-#else
-#define gpio_dbg(x...) printk(KERN_DEBUG x)
-#endif
-
-/* The s3c64xx_gpiolib_4bit routines are to control the gpio banks where
- * the gpio configuration register (GPxCON) has 4 bits per GPIO, as the
- * following example:
- *
- * base + 0x00: Control register, 4 bits per gpio
- *	        gpio n: 4 bits starting at (4*n)
- *		0000 = input, 0001 = output, others mean special-function
- * base + 0x04: Data register, 1 bit per gpio
- *		bit n: data bit n
- *
- * Note, since the data register is one bit per gpio and is at base + 0x4
- * we can use s3c_gpiolib_get and s3c_gpiolib_set to change the state of
- * the output.
-*/
-
-static int s3c64xx_gpiolib_4bit_input(struct gpio_chip *chip, unsigned offset)
-{
-	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
-	void __iomem *base = ourchip->base;
-	unsigned long con;
-
-	con = __raw_readl(base + OFF_GPCON);
-	con &= ~(0xf << con_4bit_shift(offset));
-	__raw_writel(con, base + OFF_GPCON);
-
-	gpio_dbg("%s: %p: CON now %08lx\n", __func__, base, con);
-
-	return 0;
-}
-
-static int s3c64xx_gpiolib_4bit_output(struct gpio_chip *chip,
-				       unsigned offset, int value)
-{
-	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
-	void __iomem *base = ourchip->base;
-	unsigned long con;
-	unsigned long dat;
-
-	con = __raw_readl(base + OFF_GPCON);
-	con &= ~(0xf << con_4bit_shift(offset));
-	con |= 0x1 << con_4bit_shift(offset);
-
-	dat = __raw_readl(base + OFF_GPDAT);
-	if (value)
-		dat |= 1 << offset;
-	else
-		dat &= ~(1 << offset);
-
-	__raw_writel(dat, base + OFF_GPDAT);
-	__raw_writel(con, base + OFF_GPCON);
-	__raw_writel(dat, base + OFF_GPDAT);
-
-	gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat);
-
-	return 0;
-}
-
-/* The next set of routines are for the case where the GPIO configuration
- * registers are 4 bits per GPIO but there is more than one register (the
- * bank has more than 8 GPIOs.
- *
- * This case is the similar to the 4 bit case, but the registers are as
- * follows:
- *
- * base + 0x00: Control register, 4 bits per gpio (lower 8 GPIOs)
- *	        gpio n: 4 bits starting at (4*n)
- *		0000 = input, 0001 = output, others mean special-function
- * base + 0x04: Control register, 4 bits per gpio (up to 8 additions GPIOs)
- *	        gpio n: 4 bits starting at (4*n)
- *		0000 = input, 0001 = output, others mean special-function
- * base + 0x08: Data register, 1 bit per gpio
- *		bit n: data bit n
- *
- * To allow us to use the s3c_gpiolib_get and s3c_gpiolib_set routines we
- * store the 'base + 0x4' address so that these routines see the data
- * register at ourchip->base + 0x04.
-*/
-
-static int s3c64xx_gpiolib_4bit2_input(struct gpio_chip *chip, unsigned offset)
-{
-	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
-	void __iomem *base = ourchip->base;
-	void __iomem *regcon = base;
-	unsigned long con;
-
-	if (offset > 7)
-		offset -= 8;
-	else
-		regcon -= 4;
-
-	con = __raw_readl(regcon);
-	con &= ~(0xf << con_4bit_shift(offset));
-	__raw_writel(con, regcon);
-
-	gpio_dbg("%s: %p: CON %08lx\n", __func__, base, con);
-
-	return 0;
-
-}
-
-static int s3c64xx_gpiolib_4bit2_output(struct gpio_chip *chip,
-				       unsigned offset, int value)
-{
-	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
-	void __iomem *base = ourchip->base;
-	void __iomem *regcon = base;
-	unsigned long con;
-	unsigned long dat;
-
-	if (offset > 7)
-		offset -= 8;
-	else
-		regcon -= 4;
-
-	con = __raw_readl(regcon);
-	con &= ~(0xf << con_4bit_shift(offset));
-	con |= 0x1 << con_4bit_shift(offset);
-
-	dat = __raw_readl(base + OFF_GPDAT);
-	if (value)
-		dat |= 1 << offset;
-	else
-		dat &= ~(1 << offset);
-
-	__raw_writel(dat, base + OFF_GPDAT);
-	__raw_writel(con, regcon);
-	__raw_writel(dat, base + OFF_GPDAT);
-
-	gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat);
-
-	return 0;
-}
-
 static struct s3c_gpio_cfg gpio_4bit_cfg_noint = {
 	.set_config	= s3c_gpio_setcfg_s3c64xx_4bit,
 	.set_pull	= s3c_gpio_setpull_updown,
@@ -399,20 +255,6 @@ static struct s3c_gpio_chip gpio_2bit[] = {
 	},
 };
 
-static __init void s3c64xx_gpiolib_add_4bit(struct s3c_gpio_chip *chip)
-{
-	chip->chip.direction_input = s3c64xx_gpiolib_4bit_input;
-	chip->chip.direction_output = s3c64xx_gpiolib_4bit_output;
-	chip->pm = __gpio_pm(&s3c_gpio_pm_4bit);
-}
-
-static __init void s3c64xx_gpiolib_add_4bit2(struct s3c_gpio_chip *chip)
-{
-	chip->chip.direction_input = s3c64xx_gpiolib_4bit2_input;
-	chip->chip.direction_output = s3c64xx_gpiolib_4bit2_output;
-	chip->pm = __gpio_pm(&s3c_gpio_pm_4bit);
-}
-
 static __init void s3c64xx_gpiolib_add_2bit(struct s3c_gpio_chip *chip)
 {
 	chip->pm = __gpio_pm(&s3c_gpio_pm_2bit);
@@ -432,10 +274,10 @@ static __init void s3c64xx_gpiolib_add(struct s3c_gpio_chip *chips,
 static __init int s3c64xx_gpiolib_init(void)
 {
 	s3c64xx_gpiolib_add(gpio_4bit, ARRAY_SIZE(gpio_4bit),
-			    s3c64xx_gpiolib_add_4bit);
+			    samsung_gpiolib_add_4bit);
 
 	s3c64xx_gpiolib_add(gpio_4bit2, ARRAY_SIZE(gpio_4bit2),
-			    s3c64xx_gpiolib_add_4bit2);
+			    samsung_gpiolib_add_4bit2);
 
 	s3c64xx_gpiolib_add(gpio_2bit, ARRAY_SIZE(gpio_2bit),
 			    s3c64xx_gpiolib_add_2bit);
diff --git a/arch/arm/mach-s3c6400/include/mach/debug-macro.S b/arch/arm/mach-s3c64xx/include/mach/debug-macro.S
index 5c88875d6a3f..f9ab5d26052a 100644
--- a/arch/arm/mach-s3c6400/include/mach/debug-macro.S
+++ b/arch/arm/mach-s3c64xx/include/mach/debug-macro.S
@@ -21,7 +21,7 @@
 	 * aligned and add in the offset when we load the value here.
 	 */
 
-	.macro addruart, rx, tmp
+	.macro addruart, rx, rtmp
 		mrc	p15, 0, \rx, c1, c0
 		tst	\rx, #1
 		ldreq	\rx, = S3C_PA_UART
diff --git a/arch/arm/plat-s3c64xx/include/plat/dma-plat.h b/arch/arm/mach-s3c64xx/include/mach/dma.h
index 8f76a1e474d6..0a5d9268a23e 100644
--- a/arch/arm/plat-s3c64xx/include/plat/dma-plat.h
+++ b/arch/arm/mach-s3c64xx/include/mach/dma.h
@@ -1,16 +1,71 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/dma-plat.h
+/* linux/arch/arm/mach-s3c6400/include/mach/dma.h
  *
- * Copyright 2009 Openmoko, Inc.
- * Copyright 2009 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *	http://armlinux.simtec.co.uk/
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
  *
- * S3C64XX DMA core
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
+ * S3C6400 - DMA support
+ */
+
+#ifndef __ASM_ARCH_DMA_H
+#define __ASM_ARCH_DMA_H __FILE__
+
+#define S3C_DMA_CHANNELS	(16)
+
+/* see mach-s3c2410/dma.h for notes on dma channel numbers */
+
+/* Note, for the S3C64XX architecture we keep the DMACH_
+ * defines in the order they are allocated to [S]DMA0/[S]DMA1
+ * so that is easy to do DHACH_ -> DMA controller conversion
+ */
+enum dma_ch {
+	/* DMA0/SDMA0 */
+	DMACH_UART0 = 0,
+	DMACH_UART0_SRC2,
+	DMACH_UART1,
+	DMACH_UART1_SRC2,
+	DMACH_UART2,
+	DMACH_UART2_SRC2,
+	DMACH_UART3,
+	DMACH_UART3_SRC2,
+	DMACH_PCM0_TX,
+	DMACH_PCM0_RX,
+	DMACH_I2S0_OUT,
+	DMACH_I2S0_IN,
+	DMACH_SPI0_TX,
+	DMACH_SPI0_RX,
+	DMACH_HSI_I2SV40_TX,
+	DMACH_HSI_I2SV40_RX,
+
+	/* DMA1/SDMA1 */
+	DMACH_PCM1_TX = 16,
+	DMACH_PCM1_RX,
+	DMACH_I2S1_OUT,
+	DMACH_I2S1_IN,
+	DMACH_SPI1_TX,
+	DMACH_SPI1_RX,
+	DMACH_AC97_PCMOUT,
+	DMACH_AC97_PCMIN,
+	DMACH_AC97_MICIN,
+	DMACH_PWM,
+	DMACH_IRDA,
+	DMACH_EXTERNAL,
+	DMACH_RES1,
+	DMACH_RES2,
+	DMACH_SECURITY_RX,	/* SDMA1 only */
+	DMACH_SECURITY_TX,	/* SDMA1 only */
+	DMACH_MAX		/* the end */
+};
+
+static __inline__ bool s3c_dma_has_circular(void)
+{
+	return true;
+}
+
+#define S3C2410_DMAF_CIRCULAR		(1 << 0)
+
+#include <plat/dma.h>
 
 #define DMACH_LOW_LEVEL (1<<28) /* use this to specifiy hardware ch no */
 
@@ -68,3 +123,5 @@ struct s3c2410_dma_chan {
 };
 
 #include <plat/dma-core.h>
+
+#endif /* __ASM_ARCH_IRQ_H */
diff --git a/arch/arm/mach-s3c64xx/include/mach/entry-macro.S b/arch/arm/mach-s3c64xx/include/mach/entry-macro.S
new file mode 100644
index 000000000000..dd362604dcce
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/include/mach/entry-macro.S
@@ -0,0 +1,18 @@
+/* arch/arm/mach-s3c6400/include/mach/entry-macro.S
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *	http://armlinux.simtec.co.uk/
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * Low-level IRQ helper macros for the Samsung S3C64XX series
+ *
+ * This file is licensed under  the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+*/
+
+#include <mach/map.h>
+#include <mach/irqs.h>
+
+#include <asm/entry-macro-vic2.S>
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-a.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-a.h
index 9aa0e427d113..34212e1a7e81 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-a.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-a.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-a.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-a.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-b.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-b.h
index 3933adb4d50a..7232c037e642 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-b.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-b.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-b.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-b.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-c.h
index e22b49f4f982..db189ab1639a 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-c.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-c.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-c.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-d.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-d.h
index 6fe4a49c26f0..1a01cee7aca3 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-d.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-d.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-d.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-d.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-e.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-e.h
index 7fcf3d8e0a48..f057adb627dd 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-e.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-e.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-e.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-e.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-f.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-f.h
index f3faff974a18..62ab8f5e7835 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-f.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-f.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-f.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-f.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-g.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-g.h
index 35bbd2378e55..b94954af1598 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-g.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-g.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-g.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-g.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-h.h
index 2ba1767512d7..5d75aaad865e 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-h.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-h.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-h.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-i.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-i.h
index ce9ebe335566..4ceaa6098bc7 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-i.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-i.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-i.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-i.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-j.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-j.h
index 21a906299d30..6f25cd079a40 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-j.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-j.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-j.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-j.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-n.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-n.h
index 569e76120881..d0aeda1cd9de 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-n.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-n.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-n.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-n.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-o.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-o.h
index b09e12954b57..21868fa102d0 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-o.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-o.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-o.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-o.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-p.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-p.h
index 92f00517926b..46bcfb63b8de 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-p.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-p.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-p.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-p.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-q.h b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-q.h
index 565e60aaee47..1712223487b0 100644
--- a/arch/arm/plat-s3c64xx/include/plat/gpio-bank-q.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio-bank-q.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/gpio-bank-q.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/gpio-bank-q.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/mach-s3c6400/include/mach/gpio.h b/arch/arm/mach-s3c64xx/include/mach/gpio.h
index e8e35e8fe731..0d46e994048a 100644
--- a/arch/arm/mach-s3c6400/include/mach/gpio.h
+++ b/arch/arm/mach-s3c64xx/include/mach/gpio.h
@@ -91,6 +91,10 @@ enum s3c_gpio_number {
 #define S3C_GPIO_END		S3C64XX_GPIO_END
 
 /* define the number of gpios we need to the one after the GPQ() range */
-#define ARCH_NR_GPIOS	(S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1)
+#define GPIO_BOARD_START (S3C64XX_GPQ(S3C64XX_GPIO_Q_NR) + 1)
+
+#define BOARD_NR_GPIOS 16
+
+#define ARCH_NR_GPIOS	(GPIO_BOARD_START + BOARD_NR_GPIOS)
 
 #include <asm-generic/gpio.h>
diff --git a/arch/arm/mach-s3c6400/include/mach/hardware.h b/arch/arm/mach-s3c64xx/include/mach/hardware.h
index 862d033e57a4..862d033e57a4 100644
--- a/arch/arm/mach-s3c6400/include/mach/hardware.h
+++ b/arch/arm/mach-s3c64xx/include/mach/hardware.h
diff --git a/arch/arm/mach-s3c64xx/include/mach/io.h b/arch/arm/mach-s3c64xx/include/mach/io.h
new file mode 100644
index 000000000000..de5716dbbd65
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/include/mach/io.h
@@ -0,0 +1,18 @@
+/* arch/arm/mach-s3c64xxinclude/mach/io.h
+ *
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben-linux@fluff.org>
+ *
+ * Default IO routines for S3C64XX based
+ */
+
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+/* No current ISA/PCI bus support. */
+#define __io(a)		__typesafe_io(a)
+#define __mem_pci(a)	(a)
+
+#define IO_SPACE_LIMIT (0xFFFFFFFF)
+
+#endif
diff --git a/arch/arm/plat-s3c64xx/include/plat/irqs.h b/arch/arm/mach-s3c64xx/include/mach/irqs.h
index 7956fd3bb194..e9ab4ac0b9a8 100644
--- a/arch/arm/plat-s3c64xx/include/plat/irqs.h
+++ b/arch/arm/mach-s3c64xx/include/mach/irqs.h
@@ -1,15 +1,15 @@
-/* linux/arch/arm/plat-s3c64xx/include/mach/irqs.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/irqs.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
  *      Ben Dooks <ben@simtec.co.uk>
  *      http://armlinux.simtec.co.uk/
  *
- * S3C64XX - Common IRQ support
+ * S3C64XX - IRQ support
  */
 
-#ifndef __ASM_PLAT_S3C64XX_IRQS_H
-#define __ASM_PLAT_S3C64XX_IRQS_H __FILE__
+#ifndef __ASM_MACH_S3C64XX_IRQS_H
+#define __ASM_MACH_S3C64XX_IRQS_H __FILE__
 
 /* we keep the first set of CPU IRQs out of the range of
  * the ISA space, so that the PC104 has them to itself
@@ -24,8 +24,8 @@
 
 #define S3C_IRQ(x)	((x) + S3C_IRQ_OFFSET)
 
-#define S3C_VIC0_BASE	S3C_IRQ(0)
-#define S3C_VIC1_BASE	S3C_IRQ(32)
+#define IRQ_VIC0_BASE	S3C_IRQ(0)
+#define IRQ_VIC1_BASE	S3C_IRQ(32)
 
 /* UART interrupts, each UART has 4 intterupts per channel so
  * use the space between the ISA and S3C main interrupts. Note, these
@@ -59,8 +59,8 @@
 
 /* VIC based IRQs */
 
-#define S3C64XX_IRQ_VIC0(x)	(S3C_VIC0_BASE + (x))
-#define S3C64XX_IRQ_VIC1(x)	(S3C_VIC1_BASE + (x))
+#define S3C64XX_IRQ_VIC0(x)	(IRQ_VIC0_BASE + (x))
+#define S3C64XX_IRQ_VIC1(x)	(IRQ_VIC1_BASE + (x))
 
 /* VIC0 */
 
@@ -198,7 +198,13 @@
  * interrupt controllers). */
 #define IRQ_BOARD_START (IRQ_EINT_GROUP9_BASE + IRQ_EINT_GROUP9_NR + 1)
 
+#ifdef CONFIG_SMDK6410_WM1190_EV1
+#define IRQ_BOARD_NR 64
+#elif defined(CONFIG_SMDK6410_WM1192_EV1)
+#define IRQ_BOARD_NR 64
+#else
 #define IRQ_BOARD_NR 16
+#endif
 
 #define IRQ_BOARD_END (IRQ_BOARD_START + IRQ_BOARD_NR)
 
@@ -206,5 +212,5 @@
 
 #define NR_IRQS	(IRQ_BOARD_END + 1)
 
-#endif /* __ASM_PLAT_S3C64XX_IRQS_H */
+#endif /* __ASM_MACH_S3C64XX_IRQS_H */
 
diff --git a/arch/arm/mach-s3c6400/include/mach/map.h b/arch/arm/mach-s3c64xx/include/mach/map.h
index 106ee13581e2..801c1c0f3a95 100644
--- a/arch/arm/mach-s3c6400/include/mach/map.h
+++ b/arch/arm/mach-s3c64xx/include/mach/map.h
@@ -17,6 +17,18 @@
 
 #include <plat/map-base.h>
 
+/*
+ * Post-mux Chip Select Regions Xm0CSn_
+ * These may be used by SROM, NAND or CF depending on settings
+ */
+
+#define S3C64XX_PA_XM0CSN0 (0x10000000)
+#define S3C64XX_PA_XM0CSN1 (0x18000000)
+#define S3C64XX_PA_XM0CSN2 (0x20000000)
+#define S3C64XX_PA_XM0CSN3 (0x28000000)
+#define S3C64XX_PA_XM0CSN4 (0x30000000)
+#define S3C64XX_PA_XM0CSN5 (0x38000000)
+
 /* HSMMC units */
 #define S3C64XX_PA_HSMMC(x)	(0x7C200000 + ((x) * 0x100000))
 #define S3C64XX_PA_HSMMC0	S3C64XX_PA_HSMMC(0)
@@ -38,16 +50,22 @@
 #define S3C_VA_UART2		S3C_VA_UARTx(2)
 #define S3C_VA_UART3		S3C_VA_UARTx(3)
 
+#define S3C64XX_PA_SROM		(0x70000000)
+
 #define S3C64XX_PA_NAND		(0x70200000)
 #define S3C64XX_PA_FB		(0x77100000)
 #define S3C64XX_PA_USB_HSOTG	(0x7C000000)
 #define S3C64XX_PA_WATCHDOG	(0x7E004000)
+#define S3C64XX_PA_RTC		(0x7E005000)
+#define S3C64XX_PA_ADC		(0x7E00B000)
 #define S3C64XX_PA_SYSCON	(0x7E00F000)
 #define S3C64XX_PA_AC97		(0x7F001000)
 #define S3C64XX_PA_IIS0		(0x7F002000)
 #define S3C64XX_PA_IIS1		(0x7F003000)
 #define S3C64XX_PA_TIMER	(0x7F006000)
 #define S3C64XX_PA_IIC0		(0x7F004000)
+#define S3C64XX_PA_SPI0		(0x7F00B000)
+#define S3C64XX_PA_SPI1		(0x7F00C000)
 #define S3C64XX_PA_PCM0		(0x7F009000)
 #define S3C64XX_PA_PCM1		(0x7F00A000)
 #define S3C64XX_PA_IISV4	(0x7F00D000)
@@ -70,8 +88,8 @@
 #define S3C64XX_VA_USB_HSPHY	S3C_ADDR_CPU(0x00200000)
 
 /* place VICs close together */
-#define S3C_VA_VIC0		(S3C_VA_IRQ + 0x00)
-#define S3C_VA_VIC1		(S3C_VA_IRQ + 0x10000)
+#define VA_VIC0			(S3C_VA_IRQ + 0x00)
+#define VA_VIC1			(S3C_VA_IRQ + 0x10000)
 
 /* compatibiltiy defines. */
 #define S3C_PA_TIMER		S3C64XX_PA_TIMER
diff --git a/arch/arm/mach-s3c6400/include/mach/memory.h b/arch/arm/mach-s3c64xx/include/mach/memory.h
index a3ac84a65480..a3ac84a65480 100644
--- a/arch/arm/mach-s3c6400/include/mach/memory.h
+++ b/arch/arm/mach-s3c64xx/include/mach/memory.h
diff --git a/arch/arm/plat-s3c64xx/include/plat/pll.h b/arch/arm/mach-s3c64xx/include/mach/pll.h
index 90bbd72fdc4e..90bbd72fdc4e 100644
--- a/arch/arm/plat-s3c64xx/include/plat/pll.h
+++ b/arch/arm/mach-s3c64xx/include/mach/pll.h
diff --git a/arch/arm/plat-s3c64xx/include/plat/pm-core.h b/arch/arm/mach-s3c64xx/include/mach/pm-core.h
index d347de3ba0dc..1e9f20f0bb7b 100644
--- a/arch/arm/plat-s3c64xx/include/plat/pm-core.h
+++ b/arch/arm/mach-s3c64xx/include/mach/pm-core.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c64xx/include/plat/pm-core.h
+/* linux/arch/arm/mach-s3c64xx/include/mach/pm-core.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
@@ -12,7 +12,7 @@
  * published by the Free Software Foundation.
  */
 
-#include <plat/regs-gpio.h>
+#include <mach/regs-gpio.h>
 
 static inline void s3c_pm_debug_init_uart(void)
 {
diff --git a/arch/arm/mach-s3c6400/include/mach/pwm-clock.h b/arch/arm/mach-s3c64xx/include/mach/pwm-clock.h
index b25bedee0d52..b25bedee0d52 100644
--- a/arch/arm/mach-s3c6400/include/mach/pwm-clock.h
+++ b/arch/arm/mach-s3c64xx/include/mach/pwm-clock.h
diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-clock.h b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h
index ff46e7fa957a..3ef62741e5d1 100644
--- a/arch/arm/plat-s3c64xx/include/plat/regs-clock.h
+++ b/arch/arm/mach-s3c64xx/include/mach/regs-clock.h
@@ -35,14 +35,6 @@
 #define S3C_MEM0_GATE		S3C_CLKREG(0x3C)
 
 /* CLKDIV0 */
-#define S3C6400_CLKDIV0_MFC_MASK	(0xf << 28)
-#define S3C6400_CLKDIV0_MFC_SHIFT	(28)
-#define S3C6400_CLKDIV0_JPEG_MASK	(0xf << 24)
-#define S3C6400_CLKDIV0_JPEG_SHIFT	(24)
-#define S3C6400_CLKDIV0_CAM_MASK	(0xf << 20)
-#define S3C6400_CLKDIV0_CAM_SHIFT	(20)
-#define S3C6400_CLKDIV0_SECURITY_MASK	(0x3 << 18)
-#define S3C6400_CLKDIV0_SECURITY_SHIFT	(18)
 #define S3C6400_CLKDIV0_PCLK_MASK	(0xf << 12)
 #define S3C6400_CLKDIV0_PCLK_SHIFT	(12)
 #define S3C6400_CLKDIV0_HCLK2_MASK	(0x7 << 9)
@@ -51,42 +43,11 @@
 #define S3C6400_CLKDIV0_HCLK_SHIFT	(8)
 #define S3C6400_CLKDIV0_MPLL_MASK	(0x1 << 4)
 #define S3C6400_CLKDIV0_MPLL_SHIFT	(4)
+
 #define S3C6400_CLKDIV0_ARM_MASK	(0x7 << 0)
 #define S3C6410_CLKDIV0_ARM_MASK	(0xf << 0)
 #define S3C6400_CLKDIV0_ARM_SHIFT	(0)
 
-/* CLKDIV1 */
-#define S3C6410_CLKDIV1_FIMC_MASK	(0xf << 24)
-#define S3C6410_CLKDIV1_FIMC_SHIFT	(24)
-#define S3C6400_CLKDIV1_UHOST_MASK	(0xf << 20)
-#define S3C6400_CLKDIV1_UHOST_SHIFT	(20)
-#define S3C6400_CLKDIV1_SCALER_MASK	(0xf << 16)
-#define S3C6400_CLKDIV1_SCALER_SHIFT	(16)
-#define S3C6400_CLKDIV1_LCD_MASK	(0xf << 12)
-#define S3C6400_CLKDIV1_LCD_SHIFT	(12)
-#define S3C6400_CLKDIV1_MMC2_MASK	(0xf << 8)
-#define S3C6400_CLKDIV1_MMC2_SHIFT	(8)
-#define S3C6400_CLKDIV1_MMC1_MASK	(0xf << 4)
-#define S3C6400_CLKDIV1_MMC1_SHIFT	(4)
-#define S3C6400_CLKDIV1_MMC0_MASK	(0xf << 0)
-#define S3C6400_CLKDIV1_MMC0_SHIFT	(0)
-
-/* CLKDIV2 */
-#define S3C6410_CLKDIV2_AUDIO2_MASK	(0xf << 24)
-#define S3C6410_CLKDIV2_AUDIO2_SHIFT	(24)
-#define S3C6400_CLKDIV2_IRDA_MASK	(0xf << 20)
-#define S3C6400_CLKDIV2_IRDA_SHIFT	(20)
-#define S3C6400_CLKDIV2_UART_MASK	(0xf << 16)
-#define S3C6400_CLKDIV2_UART_SHIFT	(16)
-#define S3C6400_CLKDIV2_AUDIO1_MASK	(0xf << 12)
-#define S3C6400_CLKDIV2_AUDIO1_SHIFT	(12)
-#define S3C6400_CLKDIV2_AUDIO0_MASK	(0xf << 8)
-#define S3C6400_CLKDIV2_AUDIO0_SHIFT	(8)
-#define S3C6400_CLKDIV2_SPI1_MASK	(0xf << 4)
-#define S3C6400_CLKDIV2_SPI1_SHIFT	(4)
-#define S3C6400_CLKDIV2_SPI0_MASK	(0xf << 0)
-#define S3C6400_CLKDIV2_SPI0_SHIFT	(0)
-
 /* HCLK GATE Registers */
 #define S3C_CLKCON_HCLK_3DSE	(1<<31)
 #define S3C_CLKCON_HCLK_UHOST	(1<<29)
@@ -192,34 +153,4 @@
 #define S3C6400_CLKSRC_EPLL_MOUT_SHIFT	(2)
 #define S3C6400_CLKSRC_MFC		(1 << 4)
 
-#define S3C6410_CLKSRC_TV27_MASK	(0x1 << 31)
-#define S3C6410_CLKSRC_TV27_SHIFT	(31)
-#define S3C6410_CLKSRC_DAC27_MASK	(0x1 << 30)
-#define S3C6410_CLKSRC_DAC27_SHIFT	(30)
-#define S3C6400_CLKSRC_SCALER_MASK	(0x3 << 28)
-#define S3C6400_CLKSRC_SCALER_SHIFT	(28)
-#define S3C6400_CLKSRC_LCD_MASK		(0x3 << 26)
-#define S3C6400_CLKSRC_LCD_SHIFT	(26)
-#define S3C6400_CLKSRC_IRDA_MASK	(0x3 << 24)
-#define S3C6400_CLKSRC_IRDA_SHIFT	(24)
-#define S3C6400_CLKSRC_MMC2_MASK	(0x3 << 22)
-#define S3C6400_CLKSRC_MMC2_SHIFT	(22)
-#define S3C6400_CLKSRC_MMC1_MASK	(0x3 << 20)
-#define S3C6400_CLKSRC_MMC1_SHIFT	(20)
-#define S3C6400_CLKSRC_MMC0_MASK	(0x3 << 18)
-#define S3C6400_CLKSRC_MMC0_SHIFT	(18)
-#define S3C6400_CLKSRC_SPI1_MASK	(0x3 << 16)
-#define S3C6400_CLKSRC_SPI1_SHIFT	(16)
-#define S3C6400_CLKSRC_SPI0_MASK	(0x3 << 14)
-#define S3C6400_CLKSRC_SPI0_SHIFT	(14)
-#define S3C6400_CLKSRC_UART_MASK	(0x1 << 13)
-#define S3C6400_CLKSRC_UART_SHIFT	(13)
-#define S3C6400_CLKSRC_AUDIO1_MASK	(0x7 << 10)
-#define S3C6400_CLKSRC_AUDIO1_SHIFT	(10)
-#define S3C6400_CLKSRC_AUDIO0_MASK	(0x7 << 7)
-#define S3C6400_CLKSRC_AUDIO0_SHIFT	(7)
-#define S3C6400_CLKSRC_UHOST_MASK	(0x3 << 5)
-#define S3C6400_CLKSRC_UHOST_SHIFT	(5)
-
-
 #endif /* _PLAT_REGS_CLOCK_H */
diff --git a/arch/arm/mach-s3c6400/include/mach/regs-fb.h b/arch/arm/mach-s3c64xx/include/mach/regs-fb.h
index f56611526c63..f56611526c63 100644
--- a/arch/arm/mach-s3c6400/include/mach/regs-fb.h
+++ b/arch/arm/mach-s3c64xx/include/mach/regs-fb.h
diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-gpio-memport.h b/arch/arm/mach-s3c64xx/include/mach/regs-gpio-memport.h
index 82342f6fd27d..82342f6fd27d 100644
--- a/arch/arm/plat-s3c64xx/include/plat/regs-gpio-memport.h
+++ b/arch/arm/mach-s3c64xx/include/mach/regs-gpio-memport.h
diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-gpio.h b/arch/arm/mach-s3c64xx/include/mach/regs-gpio.h
index 81f7f6e6832e..81f7f6e6832e 100644
--- a/arch/arm/plat-s3c64xx/include/plat/regs-gpio.h
+++ b/arch/arm/mach-s3c64xx/include/mach/regs-gpio.h
diff --git a/arch/arm/mach-s3c6400/include/mach/regs-irq.h b/arch/arm/mach-s3c64xx/include/mach/regs-irq.h
index bcce68a0bb75..bcce68a0bb75 100644
--- a/arch/arm/mach-s3c6400/include/mach/regs-irq.h
+++ b/arch/arm/mach-s3c64xx/include/mach/regs-irq.h
diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-modem.h b/arch/arm/mach-s3c64xx/include/mach/regs-modem.h
index 49f7759dedfa..49f7759dedfa 100644
--- a/arch/arm/plat-s3c64xx/include/plat/regs-modem.h
+++ b/arch/arm/mach-s3c64xx/include/mach/regs-modem.h
diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-srom.h b/arch/arm/mach-s3c64xx/include/mach/regs-srom.h
new file mode 100644
index 000000000000..756731b36297
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/include/mach/regs-srom.h
@@ -0,0 +1,59 @@
+/* arch/arm/plat-s3c64xx/include/plat/regs-srom.h
+ *
+ * Copyright 2009 Andy Green <andy@warmcat.com>
+ *
+ * S3C64XX SROM definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __PLAT_REGS_SROM_H
+#define __PLAT_REGS_SROM_H __FILE__
+
+#define S3C64XX_SROMREG(x)	(S3C_VA_MEM + (x))
+
+#define S3C64XX_SROM_BW		S3C64XX_SROMREG(0)
+#define S3C64XX_SROM_BC0	S3C64XX_SROMREG(4)
+#define S3C64XX_SROM_BC1	S3C64XX_SROMREG(8)
+#define S3C64XX_SROM_BC2	S3C64XX_SROMREG(0xc)
+#define S3C64XX_SROM_BC3	S3C64XX_SROMREG(0x10)
+#define S3C64XX_SROM_BC4	S3C64XX_SROMREG(0x14)
+#define S3C64XX_SROM_BC5	S3C64XX_SROMREG(0x18)
+
+/*
+ * one register BW holds 5 x 4-bit packed settings for NCS0 - NCS4
+ */
+
+#define S3C64XX_SROM_BW__DATAWIDTH__SHIFT	0
+#define S3C64XX_SROM_BW__WAITENABLE__SHIFT	2
+#define S3C64XX_SROM_BW__BYTEENABLE__SHIFT	3
+#define S3C64XX_SROM_BW__CS_MASK 0xf
+
+#define S3C64XX_SROM_BW__NCS0__SHIFT	0
+#define S3C64XX_SROM_BW__NCS1__SHIFT	4
+#define S3C64XX_SROM_BW__NCS2__SHIFT	8
+#define S3C64XX_SROM_BW__NCS3__SHIFT	0xc
+#define S3C64XX_SROM_BW__NCS4__SHIFT	0x10
+
+/*
+ * applies to same to BCS0 - BCS4
+ */
+
+#define S3C64XX_SROM_BCX__PMC__SHIFT	0
+#define S3C64XX_SROM_BCX__PMC__MASK	3
+#define S3C64XX_SROM_BCX__TACP__SHIFT	4
+#define S3C64XX_SROM_BCX__TACP__MASK	0xf
+#define S3C64XX_SROM_BCX__TCAH__SHIFT	8
+#define S3C64XX_SROM_BCX__TCAH__MASK	0xf
+#define S3C64XX_SROM_BCX__TCOH__SHIFT	12
+#define S3C64XX_SROM_BCX__TCOH__MASK	0xf
+#define S3C64XX_SROM_BCX__TACC__SHIFT	16
+#define S3C64XX_SROM_BCX__TACC__MASK	0x1f
+#define S3C64XX_SROM_BCX__TCOS__SHIFT	24
+#define S3C64XX_SROM_BCX__TCOS__MASK	0xf
+#define S3C64XX_SROM_BCX__TACS__SHIFT	28
+#define S3C64XX_SROM_BCX__TACS__MASK	0xf
+
+#endif /* _PLAT_REGS_SROM_H */
diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-sys.h b/arch/arm/mach-s3c64xx/include/mach/regs-sys.h
index 69b78d9f83b8..69b78d9f83b8 100644
--- a/arch/arm/plat-s3c64xx/include/plat/regs-sys.h
+++ b/arch/arm/mach-s3c64xx/include/mach/regs-sys.h
diff --git a/arch/arm/plat-s3c64xx/include/plat/regs-syscon-power.h b/arch/arm/mach-s3c64xx/include/mach/regs-syscon-power.h
index 270d96ac9705..270d96ac9705 100644
--- a/arch/arm/plat-s3c64xx/include/plat/regs-syscon-power.h
+++ b/arch/arm/mach-s3c64xx/include/mach/regs-syscon-power.h
diff --git a/arch/arm/plat-s3c64xx/include/plat/s3c6400.h b/arch/arm/mach-s3c64xx/include/mach/s3c6400.h
index 11f2e1e119b0..f86958d05352 100644
--- a/arch/arm/plat-s3c64xx/include/plat/s3c6400.h
+++ b/arch/arm/mach-s3c64xx/include/mach/s3c6400.h
@@ -1,4 +1,4 @@
-/* arch/arm/plat-s3c64xx/include/plat/s3c6400.h
+/* arch/arm/mach-s3c64xx/include/macht/s3c6400.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
@@ -15,9 +15,10 @@
 /* Common init code for S3C6400 related SoCs */
 
 extern void s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
-extern void s3c6400_register_clocks(unsigned armclk_divlimit);
 extern void s3c6400_setup_clocks(void);
 
+extern void s3c64xx_register_clocks(unsigned long xtal, unsigned armclk_limit);
+
 #ifdef CONFIG_CPU_S3C6400
 
 extern  int s3c6400_init(void);
@@ -33,4 +34,3 @@ extern void s3c6400_init_clocks(int xtal);
 #define s3c6400_map_io NULL
 #define s3c6400_init NULL
 #endif
-
diff --git a/arch/arm/plat-s3c64xx/include/plat/s3c6410.h b/arch/arm/mach-s3c64xx/include/mach/s3c6410.h
index 50dcdd6f6800..24f1141ffcb7 100644
--- a/arch/arm/plat-s3c64xx/include/plat/s3c6410.h
+++ b/arch/arm/mach-s3c64xx/include/mach/s3c6410.h
@@ -1,4 +1,4 @@
-/* arch/arm/plat-s3c64xx/include/plat/s3c6410.h
+/* arch/arm/mach-s3c64xx/include/mach/s3c6410.h
  *
  * Copyright 2008 Openmoko,  Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/mach-s3c64xx/include/mach/spi-clocks.h b/arch/arm/mach-s3c64xx/include/mach/spi-clocks.h
new file mode 100644
index 000000000000..9d0c43b4b687
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/include/mach/spi-clocks.h
@@ -0,0 +1,18 @@
+/* linux/arch/arm/mach-s3c64xx/include/mach/spi-clocks.h
+ *
+ * Copyright (C) 2009 Samsung Electronics Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __S3C64XX_PLAT_SPI_CLKS_H
+#define __S3C64XX_PLAT_SPI_CLKS_H __FILE__
+
+#define S3C64XX_SPI_SRCCLK_PCLK		0
+#define S3C64XX_SPI_SRCCLK_SPIBUS	1
+#define S3C64XX_SPI_SRCCLK_48M		2
+
+#endif /* __S3C64XX_PLAT_SPI_CLKS_H */
diff --git a/arch/arm/mach-s3c6400/include/mach/system.h b/arch/arm/mach-s3c64xx/include/mach/system.h
index 2e58cb7a7147..2e58cb7a7147 100644
--- a/arch/arm/mach-s3c6400/include/mach/system.h
+++ b/arch/arm/mach-s3c64xx/include/mach/system.h
diff --git a/arch/arm/mach-s3c6400/include/mach/tick.h b/arch/arm/mach-s3c64xx/include/mach/tick.h
index d9c0dc7014ec..ebe18a9469b8 100644
--- a/arch/arm/mach-s3c6400/include/mach/tick.h
+++ b/arch/arm/mach-s3c64xx/include/mach/tick.h
@@ -20,7 +20,7 @@
  */
 static inline u32 s3c24xx_ostimer_pending(void)
 {
-	u32 pend = __raw_readl(S3C_VA_VIC0 + VIC_RAW_STATUS);
+	u32 pend = __raw_readl(VA_VIC0 + VIC_RAW_STATUS);
 	return pend & 1 << (IRQ_TIMER4_VIC - S3C64XX_IRQ_VIC0(0));
 }
 
diff --git a/arch/arm/mach-s3c64xx/include/mach/timex.h b/arch/arm/mach-s3c64xx/include/mach/timex.h
new file mode 100644
index 000000000000..fb2e8cd40829
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/include/mach/timex.h
@@ -0,0 +1,24 @@
+/* arch/arm/mach-s3c64xx/include/mach/timex.h
+ *
+ * Copyright (c) 2003-2005 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C6400 - time parameters
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_TIMEX_H
+#define __ASM_ARCH_TIMEX_H
+
+/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it
+ * a variable is useless. It seems as long as we make our timers an
+ * exact multiple of HZ, any value that makes a 1->1 correspondence
+ * for the time conversion functions to/from jiffies is acceptable.
+*/
+
+#define CLOCK_TICK_RATE 12000000
+
+#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/mach-s3c6400/include/mach/uncompress.h b/arch/arm/mach-s3c64xx/include/mach/uncompress.h
index c6a82a20bf2a..c6a82a20bf2a 100644
--- a/arch/arm/mach-s3c6400/include/mach/uncompress.h
+++ b/arch/arm/mach-s3c64xx/include/mach/uncompress.h
diff --git a/arch/arm/mach-s3c64xx/include/mach/vmalloc.h b/arch/arm/mach-s3c64xx/include/mach/vmalloc.h
new file mode 100644
index 000000000000..7411ef3711a6
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/include/mach/vmalloc.h
@@ -0,0 +1,20 @@
+/* arch/arm/mach-s3c64xx/include/mach/vmalloc.h
+ *
+ * from arch/arm/mach-iop3xx/include/mach/vmalloc.h
+ *
+ * Copyright (c) 2003 Simtec Electronics <linux@simtec.co.uk>
+ *		      http://www.simtec.co.uk/products/SWLINUX/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * S3C6400 vmalloc definition
+*/
+
+#ifndef __ASM_ARCH_VMALLOC_H
+#define __ASM_ARCH_VMALLOC_H
+
+#define VMALLOC_END	  (0xE0000000)
+
+#endif /* __ASM_ARCH_VMALLOC_H */
diff --git a/arch/arm/plat-s3c64xx/irq-eint.c b/arch/arm/mach-s3c64xx/irq-eint.c
index ebdf183a0911..5682d6a7f4af 100644
--- a/arch/arm/plat-s3c64xx/irq-eint.c
+++ b/arch/arm/mach-s3c64xx/irq-eint.c
@@ -22,7 +22,7 @@
 #include <asm/hardware/vic.h>
 
 #include <plat/regs-irqtype.h>
-#include <plat/regs-gpio.h>
+#include <mach/regs-gpio.h>
 #include <plat/gpio-cfg.h>
 
 #include <mach/map.h>
diff --git a/arch/arm/plat-s3c64xx/irq-pm.c b/arch/arm/mach-s3c64xx/irq-pm.c
index ca523b5d4c17..da1bec64b9da 100644
--- a/arch/arm/plat-s3c64xx/irq-pm.c
+++ b/arch/arm/mach-s3c64xx/irq-pm.c
@@ -23,7 +23,7 @@
 
 #include <plat/regs-serial.h>
 #include <plat/regs-timer.h>
-#include <plat/regs-gpio.h>
+#include <mach/regs-gpio.h>
 #include <plat/cpu.h>
 #include <plat/pm.h>
 
diff --git a/arch/arm/mach-s3c64xx/irq.c b/arch/arm/mach-s3c64xx/irq.c
new file mode 100644
index 000000000000..67a145d440f3
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/irq.c
@@ -0,0 +1,69 @@
+/* arch/arm/plat-s3c64xx/irq.c
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX - Interrupt handling
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/serial_core.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <asm/hardware/vic.h>
+
+#include <mach/map.h>
+#include <plat/irq-vic-timer.h>
+#include <plat/irq-uart.h>
+#include <plat/cpu.h>
+
+static struct s3c_uart_irq uart_irqs[] = {
+	[0] = {
+		.regs		= S3C_VA_UART0,
+		.base_irq	= IRQ_S3CUART_BASE0,
+		.parent_irq	= IRQ_UART0,
+	},
+	[1] = {
+		.regs		= S3C_VA_UART1,
+		.base_irq	= IRQ_S3CUART_BASE1,
+		.parent_irq	= IRQ_UART1,
+	},
+	[2] = {
+		.regs		= S3C_VA_UART2,
+		.base_irq	= IRQ_S3CUART_BASE2,
+		.parent_irq	= IRQ_UART2,
+	},
+	[3] = {
+		.regs		= S3C_VA_UART3,
+		.base_irq	= IRQ_S3CUART_BASE3,
+		.parent_irq	= IRQ_UART3,
+	},
+};
+
+
+void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid)
+{
+	printk(KERN_DEBUG "%s: initialising interrupts\n", __func__);
+
+	/* initialise the pair of VICs */
+	vic_init(VA_VIC0, IRQ_VIC0_BASE, vic0_valid, 0);
+	vic_init(VA_VIC1, IRQ_VIC1_BASE, vic1_valid, 0);
+
+	/* add the timer sub-irqs */
+
+	s3c_init_vic_timer_irq(IRQ_TIMER0_VIC, IRQ_TIMER0);
+	s3c_init_vic_timer_irq(IRQ_TIMER1_VIC, IRQ_TIMER1);
+	s3c_init_vic_timer_irq(IRQ_TIMER2_VIC, IRQ_TIMER2);
+	s3c_init_vic_timer_irq(IRQ_TIMER3_VIC, IRQ_TIMER3);
+	s3c_init_vic_timer_irq(IRQ_TIMER4_VIC, IRQ_TIMER4);
+
+	s3c_init_uart_irqs(uart_irqs, ARRAY_SIZE(uart_irqs));
+}
diff --git a/arch/arm/mach-s3c6410/mach-anw6410.c b/arch/arm/mach-s3c64xx/mach-anw6410.c
index 661cca63de25..4a0bb243d14a 100644
--- a/arch/arm/mach-s3c6410/mach-anw6410.c
+++ b/arch/arm/mach-s3c64xx/mach-anw6410.c
@@ -1,4 +1,4 @@
-/* linux/arch/arm/mach-s3c6410/mach-anw6410.c
+/* linux/arch/arm/mach-s3c64xx/mach-anw6410.c
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
@@ -45,12 +45,12 @@
 #include <plat/iic.h>
 #include <plat/fb.h>
 
-#include <plat/s3c6410.h>
+#include <mach/s3c6410.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
-#include <plat/regs-gpio.h>
-#include <plat/regs-modem.h>
+#include <mach/regs-gpio.h>
+#include <mach/regs-modem.h>
 
 /* DM9000 */
 #define ANW6410_PA_DM9000	(0x18000000)
diff --git a/arch/arm/mach-s3c6410/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c
index 7619456f2ae8..187441a78dd5 100644
--- a/arch/arm/mach-s3c6410/mach-hmt.c
+++ b/arch/arm/mach-s3c64xx/mach-hmt.c
@@ -38,7 +38,7 @@
 #include <plat/fb.h>
 #include <plat/nand.h>
 
-#include <plat/s3c6410.h>
+#include <mach/s3c6410.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
@@ -233,7 +233,7 @@ static struct platform_device *hmt_devices[] __initdata = {
 	&s3c_device_i2c0,
 	&s3c_device_nand,
 	&s3c_device_fb,
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_timer[1],
 	&hmt_backlight_device,
 	&hmt_leds_device,
diff --git a/arch/arm/mach-s3c6410/mach-ncp.c b/arch/arm/mach-s3c64xx/mach-ncp.c
index 55e9bbfaf68b..bf65747ea68e 100644
--- a/arch/arm/mach-s3c6410/mach-ncp.c
+++ b/arch/arm/mach-s3c64xx/mach-ncp.c
@@ -1,5 +1,5 @@
 /*
- * linux/arch/arm/mach-s3c6410/mach-ncp.c
+ * linux/arch/arm/mach-s3c64xx/mach-ncp.c
  *
  * Copyright (C) 2008-2009 Samsung Electronics
  *
@@ -40,7 +40,7 @@
 #include <plat/iic.h>
 #include <plat/fb.h>
 
-#include <plat/s3c6410.h>
+#include <mach/s3c6410.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c6400/mach-smdk6400.c b/arch/arm/mach-s3c64xx/mach-smdk6400.c
index ab19285389a7..f7b18983950c 100644
--- a/arch/arm/mach-s3c6400/mach-smdk6400.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6400.c
@@ -1,4 +1,4 @@
-/* linux/arch/arm/mach-s3c6400/mach-smdk6400.c
+/* linux/arch/arm/mach-s3c64xx/mach-smdk6400.c
  *
  * Copyright 2008 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
@@ -31,7 +31,7 @@
 
 #include <plat/regs-serial.h>
 
-#include <plat/s3c6400.h>
+#include <mach/s3c6400.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
diff --git a/arch/arm/mach-s3c6410/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index 8969fe73b83f..2d5afd221d77 100644
--- a/arch/arm/mach-s3c6410/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -1,4 +1,4 @@
-/* linux/arch/arm/mach-s3c6410/mach-smdk6410.c
+/* linux/arch/arm/mach-s3c64xx/mach-smdk6410.c
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
@@ -21,6 +21,7 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/i2c.h>
+#include <linux/leds.h>
 #include <linux/fb.h>
 #include <linux/gpio.h>
 #include <linux/delay.h>
@@ -32,6 +33,11 @@
 #include <linux/mfd/wm8350/pmic.h>
 #endif
 
+#ifdef CONFIG_SMDK6410_WM1192_EV1
+#include <linux/mfd/wm831x/core.h>
+#include <linux/mfd/wm831x/pdata.h>
+#endif
+
 #include <video/platform_lcd.h>
 
 #include <asm/mach/arch.h>
@@ -46,14 +52,15 @@
 #include <asm/mach-types.h>
 
 #include <plat/regs-serial.h>
-#include <plat/regs-modem.h>
-#include <plat/regs-gpio.h>
-#include <plat/regs-sys.h>
+#include <mach/regs-modem.h>
+#include <mach/regs-gpio.h>
+#include <mach/regs-sys.h>
+#include <mach/regs-srom.h>
 #include <plat/iic.h>
 #include <plat/fb.h>
 #include <plat/gpio-cfg.h>
 
-#include <plat/s3c6410.h>
+#include <mach/s3c6410.h>
 #include <plat/clock.h>
 #include <plat/devs.h>
 #include <plat/cpu.h>
@@ -154,10 +161,20 @@ static struct s3c_fb_platdata smdk6410_lcd_pdata __initdata = {
 	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 };
 
+/*
+ * Configuring Ethernet on SMDK6410
+ *
+ * Both CS8900A and LAN9115 chips share one chip select mediated by CFG6.
+ * The constant address below corresponds to nCS1
+ *
+ *  1) Set CFGB2 p3 ON others off, no other CFGB selects "ethernet"
+ *  2) CFG6 needs to be switched to "LAN9115" side
+ */
+
 static struct resource smdk6410_smsc911x_resources[] = {
 	[0] = {
-		.start = 0x18000000,
-		.end   = 0x18000000 + SZ_64K - 1,
+		.start = S3C64XX_PA_XM0CSN1,
+		.end   = S3C64XX_PA_XM0CSN1 + SZ_64K - 1,
 		.flags = IORESOURCE_MEM,
 	},
 	[1] = {
@@ -235,8 +252,9 @@ static struct platform_device *smdk6410_devices[] __initdata = {
 	&s3c_device_i2c0,
 	&s3c_device_i2c1,
 	&s3c_device_fb,
-	&s3c_device_usb,
+	&s3c_device_ohci,
 	&s3c_device_usb_hsotg,
+	&s3c64xx_device_iisv4,
 
 #ifdef CONFIG_REGULATOR
 	&smdk6410_b_pwr_5v,
@@ -246,77 +264,124 @@ static struct platform_device *smdk6410_devices[] __initdata = {
 	&smdk6410_smsc911x,
 };
 
-#ifdef CONFIG_SMDK6410_WM1190_EV1
-/* S3C64xx internal logic & PLL */
-static struct regulator_init_data wm8350_dcdc1_data = {
+#ifdef CONFIG_REGULATOR
+/* ARM core */
+static struct regulator_consumer_supply smdk6410_vddarm_consumers[] = {
+	{
+		.supply = "vddarm",
+	}
+};
+
+/* VDDARM, BUCK1 on J5 */
+static struct regulator_init_data smdk6410_vddarm = {
 	.constraints = {
-		.name = "PVDD_INT/PVDD_PLL",
-		.min_uV = 1200000,
+		.name = "PVDD_ARM",
+		.min_uV = 1000000,
+		.max_uV = 1300000,
+		.always_on = 1,
+		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+	},
+	.num_consumer_supplies = ARRAY_SIZE(smdk6410_vddarm_consumers),
+	.consumer_supplies = smdk6410_vddarm_consumers,
+};
+
+/* VDD_INT, BUCK2 on J5 */
+static struct regulator_init_data smdk6410_vddint = {
+	.constraints = {
+		.name = "PVDD_INT",
+		.min_uV = 1000000,
 		.max_uV = 1200000,
 		.always_on = 1,
-		.apply_uV = 1,
+		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 	},
 };
 
-/* Memory */
-static struct regulator_init_data wm8350_dcdc3_data = {
+/* VDD_HI, LDO3 on J5 */
+static struct regulator_init_data smdk6410_vddhi = {
 	.constraints = {
-		.name = "PVDD_MEM",
-		.min_uV = 1800000,
-		.max_uV = 1800000,
+		.name = "PVDD_HI",
 		.always_on = 1,
-		.state_mem = {
-			 .uV = 1800000,
-			 .mode = REGULATOR_MODE_NORMAL,
-			 .enabled = 1,
-		 },
-		.initial_state = PM_SUSPEND_MEM,
 	},
 };
 
-/* USB, EXT, PCM, ADC/DAC, USB, MMC */
-static struct regulator_consumer_supply wm8350_dcdc4_consumers[] = {
-	{
-		/* WM8580 */
-		.supply = "DVDD",
-		.dev_name = "0-001b",
+/* VDD_PLL, LDO2 on J5 */
+static struct regulator_init_data smdk6410_vddpll = {
+	.constraints = {
+		.name = "PVDD_PLL",
+		.always_on = 1,
 	},
 };
 
-static struct regulator_init_data wm8350_dcdc4_data = {
+/* VDD_UH_MMC, LDO5 on J5 */
+static struct regulator_init_data smdk6410_vdduh_mmc = {
 	.constraints = {
-		.name = "PVDD_HI/PVDD_EXT/PVDD_SYS/PVCCM2MTV",
-		.min_uV = 3000000,
-		.max_uV = 3000000,
+		.name = "PVDD_UH/PVDD_MMC",
 		.always_on = 1,
 	},
-	.num_consumer_supplies = ARRAY_SIZE(wm8350_dcdc4_consumers),
-	.consumer_supplies = wm8350_dcdc4_consumers,
 };
 
-/* ARM core */
-static struct regulator_consumer_supply dcdc6_consumers[] = {
-	{
-		.supply = "vddarm",
-	}
+/* VCCM3BT, LDO8 on J5 */
+static struct regulator_init_data smdk6410_vccmc3bt = {
+	.constraints = {
+		.name = "PVCCM3BT",
+		.always_on = 1,
+	},
 };
 
-static struct regulator_init_data wm8350_dcdc6_data = {
+/* VCCM2MTV, LDO11 on J5 */
+static struct regulator_init_data smdk6410_vccm2mtv = {
 	.constraints = {
-		.name = "PVDD_ARM",
-		.min_uV = 1000000,
-		.max_uV = 1300000,
+		.name = "PVCCM2MTV",
 		.always_on = 1,
-		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 	},
-	.num_consumer_supplies = ARRAY_SIZE(dcdc6_consumers),
-	.consumer_supplies = dcdc6_consumers,
 };
 
-/* Alive */
-static struct regulator_init_data wm8350_ldo1_data = {
+/* VDD_LCD, LDO12 on J5 */
+static struct regulator_init_data smdk6410_vddlcd = {
+	.constraints = {
+		.name = "PVDD_LCD",
+		.always_on = 1,
+	},
+};
+
+/* VDD_OTGI, LDO9 on J5 */
+static struct regulator_init_data smdk6410_vddotgi = {
+	.constraints = {
+		.name = "PVDD_OTGI",
+		.always_on = 1,
+	},
+};
+
+/* VDD_OTG, LDO14 on J5 */
+static struct regulator_init_data smdk6410_vddotg = {
+	.constraints = {
+		.name = "PVDD_OTG",
+		.always_on = 1,
+	},
+};
+
+/* VDD_ALIVE, LDO15 on J5 */
+static struct regulator_init_data smdk6410_vddalive = {
 	.constraints = {
 		.name = "PVDD_ALIVE",
+		.always_on = 1,
+	},
+};
+
+/* VDD_AUDIO, VLDO_AUDIO on J5 */
+static struct regulator_init_data smdk6410_vddaudio = {
+	.constraints = {
+		.name = "PVDD_AUDIO",
+		.always_on = 1,
+	},
+};
+#endif
+
+#ifdef CONFIG_SMDK6410_WM1190_EV1
+/* S3C64xx internal logic & PLL */
+static struct regulator_init_data wm8350_dcdc1_data = {
+	.constraints = {
+		.name = "PVDD_INT/PVDD_PLL",
 		.min_uV = 1200000,
 		.max_uV = 1200000,
 		.always_on = 1,
@@ -324,24 +389,40 @@ static struct regulator_init_data wm8350_ldo1_data = {
 	},
 };
 
-/* OTG */
-static struct regulator_init_data wm8350_ldo2_data = {
+/* Memory */
+static struct regulator_init_data wm8350_dcdc3_data = {
 	.constraints = {
-		.name = "PVDD_OTG",
-		.min_uV = 3300000,
-		.max_uV = 3300000,
+		.name = "PVDD_MEM",
+		.min_uV = 1800000,
+		.max_uV = 1800000,
 		.always_on = 1,
+		.state_mem = {
+			 .uV = 1800000,
+			 .mode = REGULATOR_MODE_NORMAL,
+			 .enabled = 1,
+		},
+		.initial_state = PM_SUSPEND_MEM,
 	},
 };
 
-/* LCD */
-static struct regulator_init_data wm8350_ldo3_data = {
+/* USB, EXT, PCM, ADC/DAC, USB, MMC */
+static struct regulator_consumer_supply wm8350_dcdc4_consumers[] = {
+	{
+		/* WM8580 */
+		.supply = "DVDD",
+		.dev_name = "0-001b",
+	},
+};
+
+static struct regulator_init_data wm8350_dcdc4_data = {
 	.constraints = {
-		.name = "PVDD_LCD",
+		.name = "PVDD_HI/PVDD_EXT/PVDD_SYS/PVCCM2MTV",
 		.min_uV = 3000000,
 		.max_uV = 3000000,
 		.always_on = 1,
 	},
+	.num_consumer_supplies = ARRAY_SIZE(wm8350_dcdc4_consumers),
+	.consumer_supplies = wm8350_dcdc4_consumers,
 };
 
 /* OTGi/1190-EV1 HPVDD & AVDD */
@@ -362,10 +443,10 @@ static struct {
 	{ WM8350_DCDC_1, &wm8350_dcdc1_data },
 	{ WM8350_DCDC_3, &wm8350_dcdc3_data },
 	{ WM8350_DCDC_4, &wm8350_dcdc4_data },
-	{ WM8350_DCDC_6, &wm8350_dcdc6_data },
-	{ WM8350_LDO_1, &wm8350_ldo1_data },
-	{ WM8350_LDO_2, &wm8350_ldo2_data },
-	{ WM8350_LDO_3, &wm8350_ldo3_data },
+	{ WM8350_DCDC_6, &smdk6410_vddarm },
+	{ WM8350_LDO_1, &smdk6410_vddalive },
+	{ WM8350_LDO_2, &smdk6410_vddotg },
+	{ WM8350_LDO_3, &smdk6410_vddlcd },
 	{ WM8350_LDO_4, &wm8350_ldo4_data },
 };
 
@@ -388,6 +469,107 @@ static int __init smdk6410_wm8350_init(struct wm8350 *wm8350)
 static struct wm8350_platform_data __initdata smdk6410_wm8350_pdata = {
 	.init = smdk6410_wm8350_init,
 	.irq_high = 1,
+	.irq_base = IRQ_BOARD_START,
+};
+#endif
+
+#ifdef CONFIG_SMDK6410_WM1192_EV1
+static struct gpio_led wm1192_pmic_leds[] = {
+	{
+		.name = "PMIC:red:power",
+		.gpio = GPIO_BOARD_START + 3,
+		.default_state = LEDS_GPIO_DEFSTATE_ON,
+	},
+};
+
+static struct gpio_led_platform_data wm1192_pmic_led = {
+	.num_leds = ARRAY_SIZE(wm1192_pmic_leds),
+	.leds = wm1192_pmic_leds,
+};
+
+static struct platform_device wm1192_pmic_led_dev = {
+	.name          = "leds-gpio",
+	.id            = -1,
+	.dev = {
+		.platform_data = &wm1192_pmic_led,
+	},
+};
+
+static int wm1192_pre_init(struct wm831x *wm831x)
+{
+	int ret;
+
+	/* Configure the IRQ line */
+	s3c_gpio_setpull(S3C64XX_GPN(12), S3C_GPIO_PULL_UP);
+
+	ret = platform_device_register(&wm1192_pmic_led_dev);
+	if (ret != 0)
+		dev_err(wm831x->dev, "Failed to add PMIC LED: %d\n", ret);
+
+	return 0;
+}
+
+static struct wm831x_backlight_pdata wm1192_backlight_pdata = {
+	.isink = 1,
+	.max_uA = 27554,
+};
+
+static struct regulator_init_data wm1192_dcdc3 = {
+	.constraints = {
+		.name = "PVDD_MEM/PVDD_GPS",
+		.always_on = 1,
+	},
+};
+
+static struct regulator_consumer_supply wm1192_ldo1_consumers[] = {
+	{ .supply = "DVDD", .dev_name = "0-001b", },   /* WM8580 */
+};
+
+static struct regulator_init_data wm1192_ldo1 = {
+	.constraints = {
+		.name = "PVDD_LCD/PVDD_EXT",
+		.always_on = 1,
+	},
+	.consumer_supplies = wm1192_ldo1_consumers,
+	.num_consumer_supplies = ARRAY_SIZE(wm1192_ldo1_consumers),
+};
+
+static struct wm831x_status_pdata wm1192_led7_pdata = {
+	.name = "LED7:green:",
+};
+
+static struct wm831x_status_pdata wm1192_led8_pdata = {
+	.name = "LED8:green:",
+};
+
+static struct wm831x_pdata smdk6410_wm1192_pdata = {
+	.pre_init = wm1192_pre_init,
+	.irq_base = IRQ_BOARD_START,
+
+	.backlight = &wm1192_backlight_pdata,
+	.dcdc = {
+		&smdk6410_vddarm,  /* DCDC1 */
+		&smdk6410_vddint,  /* DCDC2 */
+		&wm1192_dcdc3,
+	},
+	.gpio_base = GPIO_BOARD_START,
+	.ldo = {
+		 &wm1192_ldo1,        /* LDO1 */
+		 &smdk6410_vdduh_mmc, /* LDO2 */
+		 NULL,                /* LDO3 NC */
+		 &smdk6410_vddotgi,   /* LDO4 */
+		 &smdk6410_vddotg,    /* LDO5 */
+		 &smdk6410_vddhi,     /* LDO6 */
+		 &smdk6410_vddaudio,  /* LDO7 */
+		 &smdk6410_vccm2mtv,  /* LDO8 */
+		 &smdk6410_vddpll,    /* LDO9 */
+		 &smdk6410_vccmc3bt,  /* LDO10 */
+		 &smdk6410_vddalive,  /* LDO11 */
+	},
+	.status = {
+		&wm1192_led7_pdata,
+		&wm1192_led8_pdata,
+	},
 };
 #endif
 
@@ -395,6 +577,13 @@ static struct i2c_board_info i2c_devs0[] __initdata = {
 	{ I2C_BOARD_INFO("24c08", 0x50), },
 	{ I2C_BOARD_INFO("wm8580", 0x1b), },
 
+#ifdef CONFIG_SMDK6410_WM1192_EV1
+	{ I2C_BOARD_INFO("wm8312", 0x34),
+	  .platform_data = &smdk6410_wm1192_pdata,
+	  .irq = S3C_EINT(12),
+	},
+#endif
+
 #ifdef CONFIG_SMDK6410_WM1190_EV1
 	{ I2C_BOARD_INFO("wm8350", 0x1a),
 	  .platform_data = &smdk6410_wm8350_pdata,
@@ -430,10 +619,32 @@ static void __init smdk6410_map_io(void)
 
 static void __init smdk6410_machine_init(void)
 {
+	u32 cs1;
+
 	s3c_i2c0_set_platdata(NULL);
 	s3c_i2c1_set_platdata(NULL);
 	s3c_fb_set_platdata(&smdk6410_lcd_pdata);
 
+	/* configure nCS1 width to 16 bits */
+
+	cs1 = __raw_readl(S3C64XX_SROM_BW) &
+		    ~(S3C64XX_SROM_BW__CS_MASK << S3C64XX_SROM_BW__NCS1__SHIFT);
+	cs1 |= ((1 << S3C64XX_SROM_BW__DATAWIDTH__SHIFT) |
+		(1 << S3C64XX_SROM_BW__WAITENABLE__SHIFT) |
+		(1 << S3C64XX_SROM_BW__BYTEENABLE__SHIFT)) <<
+						   S3C64XX_SROM_BW__NCS1__SHIFT;
+	__raw_writel(cs1, S3C64XX_SROM_BW);
+
+	/* set timing for nCS1 suitable for ethernet chip */
+
+	__raw_writel((0 << S3C64XX_SROM_BCX__PMC__SHIFT) |
+		     (6 << S3C64XX_SROM_BCX__TACP__SHIFT) |
+		     (4 << S3C64XX_SROM_BCX__TCAH__SHIFT) |
+		     (1 << S3C64XX_SROM_BCX__TCOH__SHIFT) |
+		     (0xe << S3C64XX_SROM_BCX__TACC__SHIFT) |
+		     (4 << S3C64XX_SROM_BCX__TCOS__SHIFT) |
+		     (0 << S3C64XX_SROM_BCX__TACS__SHIFT), S3C64XX_SROM_BC1);
+
 	gpio_request(S3C64XX_GPN(5), "LCD power");
 	gpio_request(S3C64XX_GPF(13), "LCD power");
 	gpio_request(S3C64XX_GPF(15), "LCD power");
diff --git a/arch/arm/plat-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c
index 47632fc7eb66..b8ac4597fad7 100644
--- a/arch/arm/plat-s3c64xx/pm.c
+++ b/arch/arm/mach-s3c64xx/pm.c
@@ -20,14 +20,14 @@
 #include <mach/map.h>
 
 #include <plat/pm.h>
-#include <plat/regs-sys.h>
-#include <plat/regs-gpio.h>
-#include <plat/regs-clock.h>
-#include <plat/regs-syscon-power.h>
-#include <plat/regs-gpio-memport.h>
+#include <mach/regs-sys.h>
+#include <mach/regs-gpio.h>
+#include <mach/regs-clock.h>
+#include <mach/regs-syscon-power.h>
+#include <mach/regs-gpio-memport.h>
 
 #ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK
-#include <plat/gpio-bank-n.h>
+#include <mach/gpio-bank-n.h>
 
 void s3c_pm_debug_smdkled(u32 set, u32 clear)
 {
diff --git a/arch/arm/mach-s3c6400/s3c6400.c b/arch/arm/mach-s3c64xx/s3c6400.c
index d876ee503671..707e34e3afd1 100644
--- a/arch/arm/mach-s3c6400/s3c6400.c
+++ b/arch/arm/mach-s3c64xx/s3c6400.c
@@ -1,4 +1,4 @@
-/* linux/arch/arm/mach-s3c6410/cpu.c
+/* linux/arch/arm/mach-s3c64xx/cpu.c
  *
  * Copyright 2009 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
@@ -30,14 +30,14 @@
 
 #include <plat/cpu-freq.h>
 #include <plat/regs-serial.h>
-#include <plat/regs-clock.h>
+#include <mach/regs-clock.h>
 
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/clock.h>
 #include <plat/sdhci.h>
 #include <plat/iic-core.h>
-#include <plat/s3c6400.h>
+#include <mach/s3c6400.h>
 
 void __init s3c6400_map_io(void)
 {
@@ -55,10 +55,7 @@ void __init s3c6400_map_io(void)
 
 void __init s3c6400_init_clocks(int xtal)
 {
-	printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
-	s3c24xx_register_baseclocks(xtal);
-	s3c64xx_register_clocks();
-	s3c6400_register_clocks(S3C6400_CLKDIV0_ARM_MASK);
+	s3c64xx_register_clocks(xtal, S3C6400_CLKDIV0_ARM_MASK);
 	s3c6400_setup_clocks();
 }
 
diff --git a/arch/arm/mach-s3c6410/cpu.c b/arch/arm/mach-s3c64xx/s3c6410.c
index 522c08691952..59635d19466a 100644
--- a/arch/arm/mach-s3c6410/cpu.c
+++ b/arch/arm/mach-s3c64xx/s3c6410.c
@@ -1,4 +1,4 @@
-/* linux/arch/arm/mach-s3c6410/cpu.c
+/* linux/arch/arm/mach-s3c64xx/s3c6410.c
  *
  * Copyright 2008 Simtec Electronics
  * Copyright 2008 Simtec Electronics
@@ -31,30 +31,18 @@
 
 #include <plat/cpu-freq.h>
 #include <plat/regs-serial.h>
-#include <plat/regs-clock.h>
+#include <mach/regs-clock.h>
 
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/clock.h>
 #include <plat/sdhci.h>
 #include <plat/iic-core.h>
-#include <plat/s3c6400.h>
-#include <plat/s3c6410.h>
-
-/* Initial IO mappings */
-
-static struct map_desc s3c6410_iodesc[] __initdata = {
-};
-
-/* s3c6410_map_io
- *
- * register the standard cpu IO areas
-*/
+#include <mach/s3c6400.h>
+#include <mach/s3c6410.h>
 
 void __init s3c6410_map_io(void)
 {
-	iotable_init(s3c6410_iodesc, ARRAY_SIZE(s3c6410_iodesc));
-
 	/* initialise device information early */
 	s3c6410_default_sdhci0();
 	s3c6410_default_sdhci1();
@@ -70,9 +58,7 @@ void __init s3c6410_map_io(void)
 void __init s3c6410_init_clocks(int xtal)
 {
 	printk(KERN_DEBUG "%s: initialising clocks\n", __func__);
-	s3c24xx_register_baseclocks(xtal);
-	s3c64xx_register_clocks();
-	s3c6400_register_clocks(S3C6410_CLKDIV0_ARM_MASK);
+	s3c64xx_register_clocks(xtal, S3C6410_CLKDIV0_ARM_MASK);
 	s3c6400_setup_clocks();
 }
 
diff --git a/arch/arm/plat-s3c64xx/setup-fb-24bpp.c b/arch/arm/mach-s3c64xx/setup-fb-24bpp.c
index 8e28e448dd20..8e28e448dd20 100644
--- a/arch/arm/plat-s3c64xx/setup-fb-24bpp.c
+++ b/arch/arm/mach-s3c64xx/setup-fb-24bpp.c
diff --git a/arch/arm/plat-s3c64xx/setup-i2c0.c b/arch/arm/mach-s3c64xx/setup-i2c0.c
index 364480763728..d1b11e6e77e8 100644
--- a/arch/arm/plat-s3c64xx/setup-i2c0.c
+++ b/arch/arm/mach-s3c64xx/setup-i2c0.c
@@ -18,8 +18,8 @@
 struct platform_device; /* don't need the contents */
 
 #include <mach/gpio.h>
+#include <mach/gpio-bank-b.h>
 #include <plat/iic.h>
-#include <plat/gpio-bank-b.h>
 #include <plat/gpio-cfg.h>
 
 void s3c_i2c0_cfg_gpio(struct platform_device *dev)
diff --git a/arch/arm/plat-s3c64xx/setup-i2c1.c b/arch/arm/mach-s3c64xx/setup-i2c1.c
index bbe229bd90ca..2dce57d8c6f8 100644
--- a/arch/arm/plat-s3c64xx/setup-i2c1.c
+++ b/arch/arm/mach-s3c64xx/setup-i2c1.c
@@ -18,8 +18,8 @@
 struct platform_device; /* don't need the contents */
 
 #include <mach/gpio.h>
+#include <mach/gpio-bank-b.h>
 #include <plat/iic.h>
-#include <plat/gpio-bank-b.h>
 #include <plat/gpio-cfg.h>
 
 void s3c_i2c1_cfg_gpio(struct platform_device *dev)
diff --git a/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c b/arch/arm/mach-s3c64xx/setup-sdhci-gpio.c
index a58c0cc7ba5e..a58c0cc7ba5e 100644
--- a/arch/arm/plat-s3c64xx/setup-sdhci-gpio.c
+++ b/arch/arm/mach-s3c64xx/setup-sdhci-gpio.c
diff --git a/arch/arm/mach-s3c6400/setup-sdhci.c b/arch/arm/mach-s3c64xx/setup-sdhci.c
index 1039937403be..1a942037c4ef 100644
--- a/arch/arm/mach-s3c6400/setup-sdhci.c
+++ b/arch/arm/mach-s3c64xx/setup-sdhci.c
@@ -1,11 +1,11 @@
-/* linux/arch/arm/mach-s3c6410/setup-sdhci.c
+/* linux/arch/arm/mach-s3c64xx/setup-sdhci.c
  *
  * Copyright 2008 Simtec Electronics
  * Copyright 2008 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
  *	http://armlinux.simtec.co.uk/
  *
- * S3C6410 - Helper functions for settign up SDHCI device(s) (HSMMC)
+ * S3C6400/S3C6410 - Helper functions for settign up SDHCI device(s) (HSMMC)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -26,7 +26,7 @@
 
 /* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */
 
-char *s3c6400_hsmmc_clksrcs[4] = {
+char *s3c64xx_hsmmc_clksrcs[4] = {
 	[0] = "hsmmc",
 	[1] = "hsmmc",
 	[2] = "mmc_bus",
@@ -61,3 +61,12 @@ void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev,
 	writel(ctrl3, r + S3C_SDHCI_CONTROL3);
 }
 
+void s3c6410_setup_sdhci_cfg_card(struct platform_device *dev,
+				  void __iomem *r,
+				  struct mmc_ios *ios,
+				  struct mmc_card *card)
+{
+	writel(S3C64XX_SDHCI_CONTROL4_DRIVE_9mA, r + S3C64XX_SDHCI_CONTROL4);
+
+	s3c6400_setup_sdhci_cfg_card(dev, r, ios, card);
+}
diff --git a/arch/arm/plat-s3c64xx/sleep.S b/arch/arm/mach-s3c64xx/sleep.S
index 8e71fe90a373..b2ef44317368 100644
--- a/arch/arm/plat-s3c64xx/sleep.S
+++ b/arch/arm/mach-s3c64xx/sleep.S
@@ -1,4 +1,4 @@
-/* linux/0arch/arm/plat-s3c64xx/sleep.S
+/* linux/arch/arm/plat-s3c64xx/sleep.S
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
@@ -19,8 +19,8 @@
 #undef S3C64XX_VA_GPIO
 #define S3C64XX_VA_GPIO (0x0)
 
-#include <plat/regs-gpio.h>
-#include <plat/gpio-bank-n.h>
+#include <mach/regs-gpio.h>
+#include <mach/gpio-bank-n.h>
 
 #define LL_UART (S3C_PA_UART + (0x400 * CONFIG_S3C_LOWLEVEL_UART_PORT))
 
diff --git a/arch/arm/mach-s5p6440/Kconfig b/arch/arm/mach-s5p6440/Kconfig
new file mode 100644
index 000000000000..4c29ff8b07de
--- /dev/null
+++ b/arch/arm/mach-s5p6440/Kconfig
@@ -0,0 +1,21 @@
+# arch/arm/mach-s5p6440/Kconfig
+#
+# Copyright (c) 2009 Samsung Electronics Co., Ltd.
+#		http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+if ARCH_S5P6440
+
+config CPU_S5P6440
+	bool
+	help
+	  Enable S5P6440 CPU support
+
+config MACH_SMDK6440
+	bool "SMDK6440"
+	select CPU_S5P6440
+	help
+	  Machine support for the Samsung SMDK6440
+
+endif
diff --git a/arch/arm/mach-s5p6440/Makefile b/arch/arm/mach-s5p6440/Makefile
new file mode 100644
index 000000000000..1ad894b1d3ab
--- /dev/null
+++ b/arch/arm/mach-s5p6440/Makefile
@@ -0,0 +1,19 @@
+# arch/arm/mach-s5p6440/Makefile
+#
+# Copyright (c) 2009 Samsung Electronics Co., Ltd.
+# 		http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+obj-y				:=
+obj-m				:=
+obj-n				:=
+obj-				:=
+
+# Core support for S5P6440 system
+
+obj-$(CONFIG_CPU_S5P6440)	+= cpu.o init.o clock.o gpio.o
+
+# machine support
+
+obj-$(CONFIG_MACH_SMDK6440)	+= mach-smdk6440.o
diff --git a/arch/arm/mach-s5p6440/Makefile.boot b/arch/arm/mach-s5p6440/Makefile.boot
new file mode 100644
index 000000000000..ff90aa13bd67
--- /dev/null
+++ b/arch/arm/mach-s5p6440/Makefile.boot
@@ -0,0 +1,2 @@
+   zreladdr-y	:= 0x20008000
+params_phys-y	:= 0x20000100
diff --git a/arch/arm/mach-s5p6440/clock.c b/arch/arm/mach-s5p6440/clock.c
new file mode 100644
index 000000000000..b2672e16e7aa
--- /dev/null
+++ b/arch/arm/mach-s5p6440/clock.c
@@ -0,0 +1,698 @@
+/* linux/arch/arm/mach-s5p6440/clock.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - Clock support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/sysdev.h>
+#include <linux/io.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+
+#include <plat/cpu-freq.h>
+#include <mach/regs-clock.h>
+#include <plat/clock.h>
+#include <plat/cpu.h>
+#include <plat/clock-clksrc.h>
+#include <plat/s5p-clock.h>
+#include <plat/pll.h>
+#include <plat/s5p6440.h>
+
+/* APLL Mux output clock */
+static struct clksrc_clk clk_mout_apll = {
+	.clk    = {
+		.name           = "mout_apll",
+		.id             = -1,
+	},
+	.sources        = &clk_src_apll,
+	.reg_src        = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 },
+};
+
+static int s5p6440_epll_enable(struct clk *clk, int enable)
+{
+	unsigned int ctrlbit = clk->ctrlbit;
+	unsigned int epll_con = __raw_readl(S5P_EPLL_CON) & ~ctrlbit;
+
+	if (enable)
+		__raw_writel(epll_con | ctrlbit, S5P_EPLL_CON);
+	else
+		__raw_writel(epll_con, S5P_EPLL_CON);
+
+	return 0;
+}
+
+static unsigned long s5p6440_epll_get_rate(struct clk *clk)
+{
+	return clk->rate;
+}
+
+static u32 epll_div[][5] = {
+	{ 36000000,	0,	48, 1, 4 },
+	{ 48000000,	0,	32, 1, 3 },
+	{ 60000000,	0,	40, 1, 3 },
+	{ 72000000,	0,	48, 1, 3 },
+	{ 84000000,	0,	28, 1, 2 },
+	{ 96000000,	0,	32, 1, 2 },
+	{ 32768000,	45264,	43, 1, 4 },
+	{ 45158000,	6903,	30, 1, 3 },
+	{ 49152000,	50332,	32, 1, 3 },
+	{ 67738000,	10398,	45, 1, 3 },
+	{ 73728000,	9961,	49, 1, 3 }
+};
+
+static int s5p6440_epll_set_rate(struct clk *clk, unsigned long rate)
+{
+	unsigned int epll_con, epll_con_k;
+	unsigned int i;
+
+	if (clk->rate == rate)	/* Return if nothing changed */
+		return 0;
+
+	epll_con = __raw_readl(S5P_EPLL_CON);
+	epll_con_k = __raw_readl(S5P_EPLL_CON_K);
+
+	epll_con_k &= ~(PLL90XX_KDIV_MASK);
+	epll_con &= ~(PLL90XX_MDIV_MASK | PLL90XX_PDIV_MASK | PLL90XX_SDIV_MASK);
+
+	for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
+		 if (epll_div[i][0] == rate) {
+			epll_con_k |= (epll_div[i][1] << PLL90XX_KDIV_SHIFT);
+			epll_con |= (epll_div[i][2] << PLL90XX_MDIV_SHIFT) |
+				    (epll_div[i][3] << PLL90XX_PDIV_SHIFT) |
+				    (epll_div[i][4] << PLL90XX_SDIV_SHIFT);
+			break;
+		}
+	}
+
+	if (i == ARRAY_SIZE(epll_div)) {
+		printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n", __func__);
+		return -EINVAL;
+	}
+
+	__raw_writel(epll_con, S5P_EPLL_CON);
+	__raw_writel(epll_con_k, S5P_EPLL_CON_K);
+
+	clk->rate = rate;
+
+	return 0;
+}
+
+static struct clk_ops s5p6440_epll_ops = {
+	.get_rate = s5p6440_epll_get_rate,
+	.set_rate = s5p6440_epll_set_rate,
+};
+
+static struct clksrc_clk clk_mout_epll = {
+	.clk    = {
+		.name           = "mout_epll",
+		.id             = -1,
+	},
+	.sources        = &clk_src_epll,
+	.reg_src        = { .reg = S5P_CLK_SRC0, .shift = 2, .size = 1 },
+};
+
+static struct clksrc_clk clk_mout_mpll = {
+	.clk = {
+		.name           = "mout_mpll",
+		.id             = -1,
+	},
+	.sources        = &clk_src_mpll,
+	.reg_src        = { .reg = S5P_CLK_SRC0, .shift = 1, .size = 1 },
+};
+
+static struct clk clk_h_low = {
+	.name		= "hclk_low",
+	.id		= -1,
+	.rate		= 0,
+	.parent		= NULL,
+	.ctrlbit	= 0,
+	.ops		= &clk_ops_def_setrate,
+};
+
+static struct clk clk_p_low = {
+	.name		= "pclk_low",
+	.id		= -1,
+	.rate		= 0,
+	.parent		= NULL,
+	.ctrlbit	= 0,
+	.ops		= &clk_ops_def_setrate,
+};
+
+enum perf_level {
+	L0 = 532*1000,
+	L1 = 266*1000,
+	L2 = 133*1000,
+};
+
+static const u32 clock_table[][3] = {
+	/*{ARM_CLK, DIVarm, DIVhclk}*/
+	{L0 * 1000, (0 << ARM_DIV_RATIO_SHIFT), (3 << S5P_CLKDIV0_HCLK_SHIFT)},
+	{L1 * 1000, (1 << ARM_DIV_RATIO_SHIFT), (1 << S5P_CLKDIV0_HCLK_SHIFT)},
+	{L2 * 1000, (3 << ARM_DIV_RATIO_SHIFT), (0 << S5P_CLKDIV0_HCLK_SHIFT)},
+};
+
+static unsigned long s5p6440_armclk_get_rate(struct clk *clk)
+{
+	unsigned long rate = clk_get_rate(clk->parent);
+	u32 clkdiv;
+
+	/* divisor mask starts at bit0, so no need to shift */
+	clkdiv = __raw_readl(ARM_CLK_DIV) & ARM_DIV_MASK;
+
+	return rate / (clkdiv + 1);
+}
+
+static unsigned long s5p6440_armclk_round_rate(struct clk *clk,
+						unsigned long rate)
+{
+	u32 iter;
+
+	for (iter = 1 ; iter < ARRAY_SIZE(clock_table) ; iter++) {
+		if (rate > clock_table[iter][0])
+			return clock_table[iter-1][0];
+	}
+
+	return clock_table[ARRAY_SIZE(clock_table) - 1][0];
+}
+
+static int s5p6440_armclk_set_rate(struct clk *clk, unsigned long rate)
+{
+	u32 round_tmp;
+	u32 iter;
+	u32 clk_div0_tmp;
+	u32 cur_rate = clk->ops->get_rate(clk);
+	unsigned long flags;
+
+	round_tmp = clk->ops->round_rate(clk, rate);
+	if (round_tmp == cur_rate)
+		return 0;
+
+
+	for (iter = 0 ; iter < ARRAY_SIZE(clock_table) ; iter++) {
+		if (round_tmp == clock_table[iter][0])
+			break;
+	}
+
+	if (iter >= ARRAY_SIZE(clock_table))
+		iter = ARRAY_SIZE(clock_table) - 1;
+
+	local_irq_save(flags);
+	if (cur_rate > round_tmp) {
+		/* Frequency Down */
+		clk_div0_tmp = __raw_readl(ARM_CLK_DIV) & ~(ARM_DIV_MASK);
+		clk_div0_tmp |= clock_table[iter][1];
+		__raw_writel(clk_div0_tmp, ARM_CLK_DIV);
+
+		clk_div0_tmp = __raw_readl(ARM_CLK_DIV) &
+				~(S5P_CLKDIV0_HCLK_MASK);
+		clk_div0_tmp |= clock_table[iter][2];
+		__raw_writel(clk_div0_tmp, ARM_CLK_DIV);
+
+
+	} else {
+		/* Frequency Up */
+		clk_div0_tmp = __raw_readl(ARM_CLK_DIV) &
+				~(S5P_CLKDIV0_HCLK_MASK);
+		clk_div0_tmp |= clock_table[iter][2];
+		__raw_writel(clk_div0_tmp, ARM_CLK_DIV);
+
+		clk_div0_tmp = __raw_readl(ARM_CLK_DIV) & ~(ARM_DIV_MASK);
+		clk_div0_tmp |= clock_table[iter][1];
+		__raw_writel(clk_div0_tmp, ARM_CLK_DIV);
+		}
+	local_irq_restore(flags);
+
+	clk->rate = clock_table[iter][0];
+
+	return 0;
+}
+
+static struct clk_ops s5p6440_clkarm_ops = {
+	.get_rate	= s5p6440_armclk_get_rate,
+	.set_rate	= s5p6440_armclk_set_rate,
+	.round_rate	= s5p6440_armclk_round_rate,
+};
+
+static unsigned long s5p6440_clk_doutmpll_get_rate(struct clk *clk)
+{
+	unsigned long rate = clk_get_rate(clk->parent);
+
+	if (__raw_readl(S5P_CLK_DIV0) & S5P_CLKDIV0_MPLL_MASK)
+		rate /= 2;
+
+	return rate;
+}
+
+static struct clk clk_dout_mpll = {
+	.name		= "dout_mpll",
+	.id		= -1,
+	.parent		= &clk_mout_mpll.clk,
+	.ops            = &(struct clk_ops) {
+		.get_rate	= s5p6440_clk_doutmpll_get_rate,
+	},
+};
+
+int s5p6440_clk48m_ctrl(struct clk *clk, int enable)
+{
+	unsigned long flags;
+	u32 val;
+
+	/* can't rely on clock lock, this register has other usages */
+	local_irq_save(flags);
+
+	val = __raw_readl(S5P_OTHERS);
+	if (enable)
+		val |= S5P_OTHERS_USB_SIG_MASK;
+	else
+		val &= ~S5P_OTHERS_USB_SIG_MASK;
+
+	__raw_writel(val, S5P_OTHERS);
+
+	local_irq_restore(flags);
+
+	return 0;
+}
+
+static int s5p6440_pclk_ctrl(struct clk *clk, int enable)
+{
+	return s5p_gatectrl(S5P_CLK_GATE_PCLK, clk, enable);
+}
+
+static int s5p6440_hclk0_ctrl(struct clk *clk, int enable)
+{
+	return s5p_gatectrl(S5P_CLK_GATE_HCLK0, clk, enable);
+}
+
+static int s5p6440_hclk1_ctrl(struct clk *clk, int enable)
+{
+	return s5p_gatectrl(S5P_CLK_GATE_HCLK1, clk, enable);
+}
+
+static int s5p6440_sclk_ctrl(struct clk *clk, int enable)
+{
+	return s5p_gatectrl(S5P_CLK_GATE_SCLK0, clk, enable);
+}
+
+static int s5p6440_mem_ctrl(struct clk *clk, int enable)
+{
+	return s5p_gatectrl(S5P_CLK_GATE_MEM0, clk, enable);
+}
+
+/*
+ * The following clocks will be disabled during clock initialization. It is
+ * recommended to keep the following clocks disabled until the driver requests
+ * for enabling the clock.
+ */
+static struct clk init_clocks_disable[] = {
+	{
+		.name		= "nand",
+		.id		= -1,
+		.parent		= &clk_h,
+		.enable		= s5p6440_mem_ctrl,
+		.ctrlbit	= S5P_CLKCON_MEM0_HCLK_NFCON,
+	}, {
+		.name		= "adc",
+		.id		= -1,
+		.parent		= &clk_p_low,
+		.enable		= s5p6440_pclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_PCLK_TSADC,
+	}, {
+		.name		= "i2c",
+		.id		= -1,
+		.parent		= &clk_p_low,
+		.enable		= s5p6440_pclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_PCLK_IIC0,
+	}, {
+		.name		= "i2s_v40",
+		.id		= 0,
+		.parent		= &clk_p_low,
+		.enable		= s5p6440_pclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_PCLK_IIS2,
+	}, {
+		.name		= "spi",
+		.id		= 0,
+		.parent		= &clk_p_low,
+		.enable		= s5p6440_pclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_PCLK_SPI0,
+	}, {
+		.name		= "spi",
+		.id		= 1,
+		.parent		= &clk_p_low,
+		.enable		= s5p6440_pclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_PCLK_SPI1,
+	}, {
+		.name		= "sclk_spi_48",
+		.id		= 0,
+		.parent		= &clk_48m,
+		.enable		= s5p6440_sclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_SCLK0_SPI0_48,
+	}, {
+		.name		= "sclk_spi_48",
+		.id		= 1,
+		.parent		= &clk_48m,
+		.enable		= s5p6440_sclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_SCLK0_SPI1_48,
+	}, {
+		.name		= "mmc_48m",
+		.id		= 0,
+		.parent		= &clk_48m,
+		.enable		= s5p6440_sclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_SCLK0_MMC0_48,
+	}, {
+		.name		= "mmc_48m",
+		.id		= 1,
+		.parent		= &clk_48m,
+		.enable		= s5p6440_sclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_SCLK0_MMC1_48,
+	}, {
+		.name		= "mmc_48m",
+		.id		= 2,
+		.parent		= &clk_48m,
+		.enable		= s5p6440_sclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_SCLK0_MMC2_48,
+	}, {
+		.name    	= "otg",
+		.id	   	= -1,
+		.parent  	= &clk_h_low,
+		.enable  	= s5p6440_hclk0_ctrl,
+		.ctrlbit 	= S5P_CLKCON_HCLK0_USB
+	}, {
+		.name    	= "post",
+		.id	   	= -1,
+		.parent  	= &clk_h_low,
+		.enable  	= s5p6440_hclk0_ctrl,
+		.ctrlbit 	= S5P_CLKCON_HCLK0_POST0
+	}, {
+		.name		= "lcd",
+		.id		= -1,
+		.parent		= &clk_h_low,
+		.enable		= s5p6440_hclk1_ctrl,
+		.ctrlbit	= S5P_CLKCON_HCLK1_DISPCON,
+	}, {
+		.name		= "hsmmc",
+		.id		= 0,
+		.parent		= &clk_h_low,
+		.enable		= s5p6440_hclk0_ctrl,
+		.ctrlbit	= S5P_CLKCON_HCLK0_HSMMC0,
+	}, {
+		.name		= "hsmmc",
+		.id		= 1,
+		.parent		= &clk_h_low,
+		.enable		= s5p6440_hclk0_ctrl,
+		.ctrlbit	= S5P_CLKCON_HCLK0_HSMMC1,
+	}, {
+		.name		= "hsmmc",
+		.id		= 2,
+		.parent		= &clk_h_low,
+		.enable		= s5p6440_hclk0_ctrl,
+		.ctrlbit	= S5P_CLKCON_HCLK0_HSMMC2,
+	}, {
+		.name		= "rtc",
+		.id		= -1,
+		.parent		= &clk_p_low,
+		.enable		= s5p6440_pclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_PCLK_RTC,
+	}, {
+		.name		= "watchdog",
+		.id		= -1,
+		.parent		= &clk_p_low,
+		.enable		= s5p6440_pclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_PCLK_WDT,
+	}, {
+		.name		= "timers",
+		.id		= -1,
+		.parent		= &clk_p_low,
+		.enable		= s5p6440_pclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_PCLK_PWM,
+	}
+};
+
+/*
+ * The following clocks will be enabled during clock initialization.
+ */
+static struct clk init_clocks[] = {
+	{
+		.name		= "gpio",
+		.id		= -1,
+		.parent		= &clk_p_low,
+		.enable		= s5p6440_pclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_PCLK_GPIO,
+	}, {
+		.name		= "uart",
+		.id		= 0,
+		.parent		= &clk_p_low,
+		.enable		= s5p6440_pclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_PCLK_UART0,
+	}, {
+		.name		= "uart",
+		.id		= 1,
+		.parent		= &clk_p_low,
+		.enable		= s5p6440_pclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_PCLK_UART1,
+	}, {
+		.name		= "uart",
+		.id		= 2,
+		.parent		= &clk_p_low,
+		.enable		= s5p6440_pclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_PCLK_UART2,
+	}, {
+		.name		= "uart",
+		.id		= 3,
+		.parent		= &clk_p_low,
+		.enable		= s5p6440_pclk_ctrl,
+		.ctrlbit	= S5P_CLKCON_PCLK_UART3,
+	}
+};
+
+static struct clk clk_iis_cd_v40 = {
+	.name		= "iis_cdclk_v40",
+	.id		= -1,
+};
+
+static struct clk clk_pcm_cd = {
+	.name		= "pcm_cdclk",
+	.id		= -1,
+};
+
+static struct clk *clkset_spi_mmc_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll,
+	&clk_fin_epll,
+};
+
+static struct clksrc_sources clkset_spi_mmc = {
+	.sources	= clkset_spi_mmc_list,
+	.nr_sources	= ARRAY_SIZE(clkset_spi_mmc_list),
+};
+
+static struct clk *clkset_uart_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll
+};
+
+static struct clksrc_sources clkset_uart = {
+	.sources	= clkset_uart_list,
+	.nr_sources	= ARRAY_SIZE(clkset_uart_list),
+};
+
+static struct clksrc_clk clksrcs[] = {
+	{
+		.clk	= {
+			.name		= "mmc_bus",
+			.id		= 0,
+			.ctrlbit        = S5P_CLKCON_SCLK0_MMC0,
+			.enable		= s5p6440_sclk_ctrl,
+		},
+		.sources = &clkset_spi_mmc,
+		.reg_src = { .reg = S5P_CLK_SRC0, .shift = 18, .size = 2 },
+		.reg_div = { .reg = S5P_CLK_DIV1, .shift = 0, .size = 4 },
+	}, {
+		.clk	= {
+			.name		= "mmc_bus",
+			.id		= 1,
+			.ctrlbit        = S5P_CLKCON_SCLK0_MMC1,
+			.enable		= s5p6440_sclk_ctrl,
+		},
+		.sources = &clkset_spi_mmc,
+		.reg_src = { .reg = S5P_CLK_SRC0, .shift = 20, .size = 2 },
+		.reg_div = { .reg = S5P_CLK_DIV1, .shift = 4, .size = 4 },
+	}, {
+		.clk	= {
+			.name		= "mmc_bus",
+			.id		= 2,
+			.ctrlbit        = S5P_CLKCON_SCLK0_MMC2,
+			.enable		= s5p6440_sclk_ctrl,
+		},
+		.sources = &clkset_spi_mmc,
+		.reg_src = { .reg = S5P_CLK_SRC0, .shift = 22, .size = 2 },
+		.reg_div = { .reg = S5P_CLK_DIV1, .shift = 8, .size = 4 },
+	}, {
+		.clk	= {
+			.name		= "uclk1",
+			.id		= -1,
+			.ctrlbit        = S5P_CLKCON_SCLK0_UART,
+			.enable		= s5p6440_sclk_ctrl,
+		},
+		.sources = &clkset_uart,
+		.reg_src = { .reg = S5P_CLK_SRC0, .shift = 13, .size = 1 },
+		.reg_div = { .reg = S5P_CLK_DIV2, .shift = 16, .size = 4 },
+	}, {
+		.clk	= {
+			.name		= "spi_epll",
+			.id		= 0,
+			.ctrlbit        = S5P_CLKCON_SCLK0_SPI0,
+			.enable		= s5p6440_sclk_ctrl,
+		},
+		.sources = &clkset_spi_mmc,
+		.reg_src = { .reg = S5P_CLK_SRC0, .shift = 14, .size = 2 },
+		.reg_div = { .reg = S5P_CLK_DIV2, .shift = 0, .size = 4 },
+	}, {
+		.clk	= {
+			.name		= "spi_epll",
+			.id		= 1,
+			.ctrlbit        = S5P_CLKCON_SCLK0_SPI1,
+			.enable		= s5p6440_sclk_ctrl,
+		},
+		.sources = &clkset_spi_mmc,
+		.reg_src = { .reg = S5P_CLK_SRC0, .shift = 16, .size = 2 },
+		.reg_div = { .reg = S5P_CLK_DIV2, .shift = 4, .size = 4 },
+	}
+};
+
+/* Clock initialisation code */
+static struct clksrc_clk *init_parents[] = {
+	&clk_mout_apll,
+	&clk_mout_epll,
+	&clk_mout_mpll,
+};
+
+void __init_or_cpufreq s5p6440_setup_clocks(void)
+{
+	struct clk *xtal_clk;
+	unsigned long xtal;
+	unsigned long fclk;
+	unsigned long hclk;
+	unsigned long hclk_low;
+	unsigned long pclk;
+	unsigned long pclk_low;
+	unsigned long epll;
+	unsigned long apll;
+	unsigned long mpll;
+	unsigned int ptr;
+	u32 clkdiv0;
+	u32 clkdiv3;
+
+	/* Set S5P6440 functions for clk_fout_epll */
+	clk_fout_epll.enable = s5p6440_epll_enable;
+	clk_fout_epll.ops = &s5p6440_epll_ops;
+
+	/* Set S5P6440 functions for arm clock */
+	clk_arm.parent = &clk_mout_apll.clk;
+	clk_arm.ops = &s5p6440_clkarm_ops;
+	clk_48m.enable = s5p6440_clk48m_ctrl;
+
+	clkdiv0 = __raw_readl(S5P_CLK_DIV0);
+	clkdiv3 = __raw_readl(S5P_CLK_DIV3);
+
+	xtal_clk = clk_get(NULL, "ext_xtal");
+	BUG_ON(IS_ERR(xtal_clk));
+
+	xtal = clk_get_rate(xtal_clk);
+	clk_put(xtal_clk);
+
+	epll = s5p_get_pll90xx(xtal, __raw_readl(S5P_EPLL_CON),
+				__raw_readl(S5P_EPLL_CON_K));
+	mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON), pll_4502);
+	apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4502);
+
+	printk(KERN_INFO "S5P6440: PLL settings, A=%ld.%ldMHz, M=%ld.%ldMHz," \
+			" E=%ld.%ldMHz\n",
+			print_mhz(apll), print_mhz(mpll), print_mhz(epll));
+
+	fclk = apll / GET_DIV(clkdiv0, S5P_CLKDIV0_ARM);
+	hclk = fclk / GET_DIV(clkdiv0, S5P_CLKDIV0_HCLK);
+	pclk = hclk / GET_DIV(clkdiv0, S5P_CLKDIV0_PCLK);
+
+	if (__raw_readl(S5P_OTHERS) & S5P_OTHERS_HCLK_LOW_SEL_MPLL) {
+		/* Asynchronous mode */
+		hclk_low = mpll / GET_DIV(clkdiv3, S5P_CLKDIV3_HCLK_LOW);
+	} else {
+		/* Synchronous mode */
+		hclk_low = apll / GET_DIV(clkdiv3, S5P_CLKDIV3_HCLK_LOW);
+	}
+
+	pclk_low = hclk_low / GET_DIV(clkdiv3, S5P_CLKDIV3_PCLK_LOW);
+
+	printk(KERN_INFO "S5P6440: HCLK=%ld.%ldMHz, HCLK_LOW=%ld.%ldMHz," \
+			" PCLK=%ld.%ldMHz, PCLK_LOW=%ld.%ldMHz\n",
+			print_mhz(hclk), print_mhz(hclk_low),
+			print_mhz(pclk), print_mhz(pclk_low));
+
+	clk_fout_mpll.rate = mpll;
+	clk_fout_epll.rate = epll;
+	clk_fout_apll.rate = apll;
+
+	clk_f.rate = fclk;
+	clk_h.rate = hclk;
+	clk_p.rate = pclk;
+	clk_h_low.rate = hclk_low;
+	clk_p_low.rate = pclk_low;
+
+	for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++)
+		s3c_set_clksrc(init_parents[ptr], true);
+
+	for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
+		s3c_set_clksrc(&clksrcs[ptr], true);
+}
+
+static struct clk *clks[] __initdata = {
+	&clk_ext,
+	&clk_mout_epll.clk,
+	&clk_mout_mpll.clk,
+	&clk_dout_mpll,
+	&clk_iis_cd_v40,
+	&clk_pcm_cd,
+	&clk_p_low,
+	&clk_h_low,
+};
+
+void __init s5p6440_register_clocks(void)
+{
+	struct clk *clkp;
+	int ret;
+	int ptr;
+
+	ret = s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
+	if (ret > 0)
+		printk(KERN_ERR "Failed to register %u clocks\n", ret);
+
+	s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
+	s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
+
+	clkp = init_clocks_disable;
+	for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
+
+		ret = s3c24xx_register_clock(clkp);
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       clkp->name, ret);
+		}
+		(clkp->enable)(clkp, 0);
+	}
+
+	s3c_pwmclk_init();
+}
diff --git a/arch/arm/mach-s5p6440/cpu.c b/arch/arm/mach-s5p6440/cpu.c
new file mode 100644
index 000000000000..1794131aeacb
--- /dev/null
+++ b/arch/arm/mach-s5p6440/cpu.c
@@ -0,0 +1,114 @@
+/* linux/arch/arm/mach-s5p6440/cpu.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/sysdev.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/proc-fns.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+#include <asm/irq.h>
+
+#include <plat/regs-serial.h>
+#include <mach/regs-clock.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/clock.h>
+#include <plat/s5p6440.h>
+
+static void s5p6440_idle(void)
+{
+	unsigned long val;
+
+	if (!need_resched()) {
+		val = __raw_readl(S5P_PWR_CFG);
+		val &= ~(0x3<<5);
+		val |= (0x1<<5);
+		__raw_writel(val, S5P_PWR_CFG);
+
+		cpu_do_idle();
+	}
+	local_irq_enable();
+}
+
+/* s5p6440_map_io
+ *
+ * register the standard cpu IO areas
+*/
+
+void __init s5p6440_map_io(void)
+{
+	/* initialize any device information early */
+}
+
+void __init s5p6440_init_clocks(int xtal)
+{
+	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
+
+	s3c24xx_register_baseclocks(xtal);
+	s5p_register_clocks(xtal);
+	s5p6440_register_clocks();
+	s5p6440_setup_clocks();
+}
+
+void __init s5p6440_init_irq(void)
+{
+	/* S5P6440 supports only 2 VIC */
+	u32 vic[2];
+
+	/*
+	 * VIC0 is missing IRQ_VIC0[3, 4, 8, 10, (12-22)]
+	 * VIC1 is missing IRQ VIC1[1, 3, 4, 10, 11, 12, 14, 15, 22]
+	 */
+	vic[0] = 0xff800ae7;
+	vic[1] = 0xffbf23e5;
+
+	s5p_init_irq(vic, ARRAY_SIZE(vic));
+}
+
+static struct sysdev_class s5p6440_sysclass = {
+	.name	= "s5p6440-core",
+};
+
+static struct sys_device s5p6440_sysdev = {
+	.cls	= &s5p6440_sysclass,
+};
+
+static int __init s5p6440_core_init(void)
+{
+	return sysdev_class_register(&s5p6440_sysclass);
+}
+
+core_initcall(s5p6440_core_init);
+
+int __init s5p6440_init(void)
+{
+	printk(KERN_INFO "S5P6440: Initializing architecture\n");
+
+	/* set idle function */
+	pm_idle = s5p6440_idle;
+
+	return sysdev_register(&s5p6440_sysdev);
+}
diff --git a/arch/arm/mach-s5p6440/gpio.c b/arch/arm/mach-s5p6440/gpio.c
new file mode 100644
index 000000000000..b0ea741177ad
--- /dev/null
+++ b/arch/arm/mach-s5p6440/gpio.c
@@ -0,0 +1,322 @@
+/* arch/arm/mach-s5p6440/gpio.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ * 		http://www.samsung.com/
+ *
+ * S5P6440 - GPIOlib support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <mach/map.h>
+#include <mach/gpio.h>
+#include <mach/regs-gpio.h>
+#include <plat/gpio-core.h>
+#include <plat/gpio-cfg.h>
+#include <plat/gpio-cfg-helpers.h>
+
+/* GPIO bank summary:
+*
+* Bank	GPIOs	Style	SlpCon	ExtInt Group
+* A	6	4Bit	Yes	1
+* B	7	4Bit	Yes	1
+* C	8	4Bit	Yes	2
+* F	2	2Bit	Yes	4 [1]
+* G	7	4Bit	Yes	5
+* H	10	4Bit[2]	Yes	6
+* I	16	2Bit	Yes	None
+* J	12	2Bit	Yes	None
+* N	16	2Bit	No	IRQ_EINT
+* P	8	2Bit	Yes	8
+* R	15	4Bit[2]	Yes	8
+*
+* [1] BANKF pins 14,15 do not form part of the external interrupt sources
+* [2] BANK has two control registers, GPxCON0 and GPxCON1
+*/
+
+static int s5p6440_gpiolib_rbank_4bit2_input(struct gpio_chip *chip,
+					     unsigned int offset)
+{
+	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
+	void __iomem *base = ourchip->base;
+	void __iomem *regcon = base;
+	unsigned long con;
+
+	switch (offset) {
+	case 6:
+		offset += 1;
+	case 0:
+	case 1:
+	case 2:
+	case 3:
+	case 4:
+	case 5:
+		regcon -= 4;
+		break;
+	default:
+		offset -= 7;
+		break;
+	}
+
+	con = __raw_readl(regcon);
+	con &= ~(0xf << con_4bit_shift(offset));
+	__raw_writel(con, regcon);
+
+	return 0;
+}
+
+static int s5p6440_gpiolib_rbank_4bit2_output(struct gpio_chip *chip,
+					      unsigned int offset, int value)
+{
+	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
+	void __iomem *base = ourchip->base;
+	void __iomem *regcon = base;
+	unsigned long con;
+	unsigned long dat;
+	unsigned con_offset  = offset;
+
+	switch (con_offset) {
+	case 6:
+		con_offset += 1;
+	case 0:
+	case 1:
+	case 2:
+	case 3:
+	case 4:
+	case 5:
+		regcon -= 4;
+		break;
+	default:
+		con_offset -= 7;
+		break;
+	}
+
+	con = __raw_readl(regcon);
+	con &= ~(0xf << con_4bit_shift(con_offset));
+	con |= 0x1 << con_4bit_shift(con_offset);
+
+	dat = __raw_readl(base + GPIODAT_OFF);
+	if (value)
+		dat |= 1 << offset;
+	else
+		dat &= ~(1 << offset);
+
+	__raw_writel(con, regcon);
+	__raw_writel(dat, base + GPIODAT_OFF);
+
+	return 0;
+}
+
+int s5p6440_gpio_setcfg_4bit_rbank(struct s3c_gpio_chip *chip,
+				   unsigned int off, unsigned int cfg)
+{
+	void __iomem *reg = chip->base;
+	unsigned int shift;
+	u32 con;
+
+	switch (off) {
+	case 0:
+	case 1:
+	case 2:
+	case 3:
+	case 4:
+	case 5:
+		shift = (off & 7) * 4;
+		reg -= 4;
+		break;
+	case 6:
+		shift = ((off + 1) & 7) * 4;
+		reg -= 4;
+	default:
+		shift = ((off + 1) & 7) * 4;
+		break;
+	}
+
+	if (s3c_gpio_is_cfg_special(cfg)) {
+		cfg &= 0xf;
+		cfg <<= shift;
+	}
+
+	con = __raw_readl(reg);
+	con &= ~(0xf << shift);
+	con |= cfg;
+	__raw_writel(con, reg);
+
+	return 0;
+}
+
+static struct s3c_gpio_cfg s5p6440_gpio_cfgs[] = {
+	{
+		.cfg_eint	= 0,
+	}, {
+		.cfg_eint	= 7,
+	}, {
+		.cfg_eint	= 3,
+		.set_config	= s5p6440_gpio_setcfg_4bit_rbank,
+	}, {
+		.cfg_eint	= 0,
+		.set_config	= s3c_gpio_setcfg_s3c24xx,
+	}, {
+		.cfg_eint	= 2,
+		.set_config	= s3c_gpio_setcfg_s3c24xx,
+	}, {
+		.cfg_eint	= 3,
+		.set_config	= s3c_gpio_setcfg_s3c24xx,
+	},
+};
+
+static struct s3c_gpio_chip s5p6440_gpio_4bit[] = {
+	{
+		.base	= S5P6440_GPA_BASE,
+		.config	= &s5p6440_gpio_cfgs[1],
+		.chip	= {
+			.base	= S5P6440_GPA(0),
+			.ngpio	= S5P6440_GPIO_A_NR,
+			.label	= "GPA",
+		},
+	}, {
+		.base	= S5P6440_GPB_BASE,
+		.config	= &s5p6440_gpio_cfgs[1],
+		.chip	= {
+			.base	= S5P6440_GPB(0),
+			.ngpio	= S5P6440_GPIO_B_NR,
+			.label	= "GPB",
+		},
+	}, {
+		.base	= S5P6440_GPC_BASE,
+		.config	= &s5p6440_gpio_cfgs[1],
+		.chip	= {
+			.base	= S5P6440_GPC(0),
+			.ngpio	= S5P6440_GPIO_C_NR,
+			.label	= "GPC",
+		},
+	}, {
+		.base	= S5P6440_GPG_BASE,
+		.config	= &s5p6440_gpio_cfgs[1],
+		.chip	= {
+			.base	= S5P6440_GPG(0),
+			.ngpio	= S5P6440_GPIO_G_NR,
+			.label	= "GPG",
+		},
+	},
+};
+
+static struct s3c_gpio_chip s5p6440_gpio_4bit2[] = {
+	{
+		.base	= S5P6440_GPH_BASE + 0x4,
+		.config	= &s5p6440_gpio_cfgs[1],
+		.chip	= {
+			.base	= S5P6440_GPH(0),
+			.ngpio	= S5P6440_GPIO_H_NR,
+			.label	= "GPH",
+		},
+	},
+};
+
+static struct s3c_gpio_chip gpio_rbank_4bit2[] = {
+	{
+		.base	= S5P6440_GPR_BASE + 0x4,
+		.config	= &s5p6440_gpio_cfgs[2],
+		.chip	= {
+			.base	= S5P6440_GPR(0),
+			.ngpio	= S5P6440_GPIO_R_NR,
+			.label	= "GPR",
+		},
+	},
+};
+
+static struct s3c_gpio_chip s5p6440_gpio_2bit[] = {
+	{
+		.base	= S5P6440_GPF_BASE,
+		.config	= &s5p6440_gpio_cfgs[5],
+		.chip	= {
+			.base	= S5P6440_GPF(0),
+			.ngpio	= S5P6440_GPIO_F_NR,
+			.label	= "GPF",
+		},
+	}, {
+		.base	= S5P6440_GPI_BASE,
+		.config	= &s5p6440_gpio_cfgs[3],
+		.chip	= {
+			.base	= S5P6440_GPI(0),
+			.ngpio	= S5P6440_GPIO_I_NR,
+			.label	= "GPI",
+		},
+	}, {
+		.base	= S5P6440_GPJ_BASE,
+		.config	= &s5p6440_gpio_cfgs[3],
+		.chip	= {
+			.base	= S5P6440_GPJ(0),
+			.ngpio	= S5P6440_GPIO_J_NR,
+			.label	= "GPJ",
+		},
+	}, {
+		.base	= S5P6440_GPN_BASE,
+		.config	= &s5p6440_gpio_cfgs[4],
+		.chip	= {
+			.base	= S5P6440_GPN(0),
+			.ngpio	= S5P6440_GPIO_N_NR,
+			.label	= "GPN",
+		},
+	}, {
+		.base	= S5P6440_GPP_BASE,
+		.config	= &s5p6440_gpio_cfgs[5],
+		.chip	= {
+			.base	= S5P6440_GPP(0),
+			.ngpio	= S5P6440_GPIO_P_NR,
+			.label	= "GPP",
+		},
+	},
+};
+
+void __init s5p6440_gpiolib_set_cfg(struct s3c_gpio_cfg *chipcfg, int nr_chips)
+{
+	for (; nr_chips > 0; nr_chips--, chipcfg++) {
+		if (!chipcfg->set_config)
+			chipcfg->set_config	= s3c_gpio_setcfg_s3c64xx_4bit;
+		if (!chipcfg->set_pull)
+			chipcfg->set_pull	= s3c_gpio_setpull_updown;
+		if (!chipcfg->get_pull)
+			chipcfg->get_pull	= s3c_gpio_getpull_updown;
+	}
+}
+
+static void __init s5p6440_gpio_add_rbank_4bit2(struct s3c_gpio_chip *chip,
+						int nr_chips)
+{
+	for (; nr_chips > 0; nr_chips--, chip++) {
+		chip->chip.direction_input = s5p6440_gpiolib_rbank_4bit2_input;
+		chip->chip.direction_output =
+					s5p6440_gpiolib_rbank_4bit2_output;
+		s3c_gpiolib_add(chip);
+	}
+}
+
+static int __init s5p6440_gpiolib_init(void)
+{
+	struct s3c_gpio_chip *chips = s5p6440_gpio_2bit;
+	int nr_chips = ARRAY_SIZE(s5p6440_gpio_2bit);
+
+	s5p6440_gpiolib_set_cfg(s5p6440_gpio_cfgs,
+				ARRAY_SIZE(s5p6440_gpio_cfgs));
+
+	for (; nr_chips > 0; nr_chips--, chips++)
+		s3c_gpiolib_add(chips);
+
+	samsung_gpiolib_add_4bit_chips(s5p6440_gpio_4bit,
+				ARRAY_SIZE(s5p6440_gpio_4bit));
+
+	samsung_gpiolib_add_4bit2_chips(s5p6440_gpio_4bit2,
+				ARRAY_SIZE(s5p6440_gpio_4bit2));
+
+	s5p6440_gpio_add_rbank_4bit2(gpio_rbank_4bit2,
+				ARRAY_SIZE(gpio_rbank_4bit2));
+
+	return 0;
+}
+arch_initcall(s5p6440_gpiolib_init);
diff --git a/arch/arm/mach-s5p6440/include/mach/debug-macro.S b/arch/arm/mach-s5p6440/include/mach/debug-macro.S
new file mode 100644
index 000000000000..1347d7f99079
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/debug-macro.S
@@ -0,0 +1,37 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/debug-macro.S
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/* pull in the relevant register and map files. */
+
+#include <mach/map.h>
+#include <plat/regs-serial.h>
+
+	/* note, for the boot process to work we have to keep the UART
+	 * virtual address aligned to an 1MiB boundary for the L1
+	 * mapping the head code makes. We keep the UART virtual address
+	 * aligned and add in the offset when we load the value here.
+	 */
+
+	.macro addruart, rx, rtmp
+		mrc	p15, 0, \rx, c1, c0
+		tst	\rx, #1
+		ldreq	\rx, = S3C_PA_UART
+		ldrne	\rx, = S3C_VA_UART
+#if CONFIG_DEBUG_S3C_UART != 0
+		add	\rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART)
+#endif
+	.endm
+
+/* include the reset of the code which will do the work, we're only
+ * compiling for a single cpu processor type so the default of s3c2440
+ * will be fine with us.
+ */
+
+#include <plat/debug-macro.S>
diff --git a/arch/arm/mach-s5p6440/include/mach/entry-macro.S b/arch/arm/mach-s5p6440/include/mach/entry-macro.S
new file mode 100644
index 000000000000..e65f1b967262
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/entry-macro.S
@@ -0,0 +1,16 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/entry-macro.S
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Low-level IRQ helper macros for the Samsung S5P6440
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <mach/map.h>
+#include <plat/irqs.h>
+
+#include <asm/entry-macro-vic2.S>
diff --git a/arch/arm/mach-s5p6440/include/mach/gpio.h b/arch/arm/mach-s5p6440/include/mach/gpio.h
new file mode 100644
index 000000000000..21783834f2a2
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/gpio.h
@@ -0,0 +1,80 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/gpio.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - GPIO lib support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_GPIO_H
+#define __ASM_ARCH_GPIO_H __FILE__
+
+#define gpio_get_value	__gpio_get_value
+#define gpio_set_value	__gpio_set_value
+#define gpio_cansleep	__gpio_cansleep
+#define gpio_to_irq	__gpio_to_irq
+
+/* GPIO bank sizes */
+#define S5P6440_GPIO_A_NR	(6)
+#define S5P6440_GPIO_B_NR	(7)
+#define S5P6440_GPIO_C_NR	(8)
+#define S5P6440_GPIO_F_NR	(2)
+#define S5P6440_GPIO_G_NR	(7)
+#define S5P6440_GPIO_H_NR	(10)
+#define S5P6440_GPIO_I_NR	(16)
+#define S5P6440_GPIO_J_NR	(12)
+#define S5P6440_GPIO_N_NR	(16)
+#define S5P6440_GPIO_P_NR	(8)
+#define S5P6440_GPIO_R_NR	(15)
+
+/* GPIO bank numbers */
+
+/* CONFIG_S3C_GPIO_SPACE allows the user to select extra
+ * space for debugging purposes so that any accidental
+ * change from one gpio bank to another can be caught.
+*/
+#define S5P6440_GPIO_NEXT(__gpio) \
+	((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1)
+
+enum s5p_gpio_number {
+	S5P6440_GPIO_A_START = 0,
+	S5P6440_GPIO_B_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_A),
+	S5P6440_GPIO_C_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_B),
+	S5P6440_GPIO_F_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_C),
+	S5P6440_GPIO_G_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_F),
+	S5P6440_GPIO_H_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_G),
+	S5P6440_GPIO_I_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_H),
+	S5P6440_GPIO_J_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_I),
+	S5P6440_GPIO_N_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_J),
+	S5P6440_GPIO_P_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_N),
+	S5P6440_GPIO_R_START = S5P6440_GPIO_NEXT(S5P6440_GPIO_P),
+};
+
+/* S5P6440 GPIO number definitions. */
+#define S5P6440_GPA(_nr)	(S5P6440_GPIO_A_START + (_nr))
+#define S5P6440_GPB(_nr)	(S5P6440_GPIO_B_START + (_nr))
+#define S5P6440_GPC(_nr)	(S5P6440_GPIO_C_START + (_nr))
+#define S5P6440_GPF(_nr)	(S5P6440_GPIO_F_START + (_nr))
+#define S5P6440_GPG(_nr)	(S5P6440_GPIO_G_START + (_nr))
+#define S5P6440_GPH(_nr)	(S5P6440_GPIO_H_START + (_nr))
+#define S5P6440_GPI(_nr)	(S5P6440_GPIO_I_START + (_nr))
+#define S5P6440_GPJ(_nr)	(S5P6440_GPIO_J_START + (_nr))
+#define S5P6440_GPN(_nr)	(S5P6440_GPIO_N_START + (_nr))
+#define S5P6440_GPP(_nr)	(S5P6440_GPIO_P_START + (_nr))
+#define S5P6440_GPR(_nr)	(S5P6440_GPIO_R_START + (_nr))
+
+/* the end of the S5P6440 specific gpios */
+#define S5P6440_GPIO_END	(S5P6440_GPR(S5P6440_GPIO_R_NR) + 1)
+#define S3C_GPIO_END		S5P6440_GPIO_END
+
+/* define the number of gpios we need to the one after the GPR() range */
+#define ARCH_NR_GPIOS		(S5P6440_GPR(S5P6440_GPIO_R_NR) +	\
+				 CONFIG_SAMSUNG_GPIO_EXTRA + 1)
+
+#include <asm-generic/gpio.h>
+
+#endif /* __ASM_ARCH_GPIO_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/hardware.h b/arch/arm/mach-s5p6440/include/mach/hardware.h
new file mode 100644
index 000000000000..be8b26e875db
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/hardware.h
@@ -0,0 +1,18 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/hardware.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - Hardware support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H __FILE__
+
+/* currently nothing here, placeholder */
+
+#endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/io.h b/arch/arm/mach-s5p6440/include/mach/io.h
new file mode 100644
index 000000000000..fa2d69cb1ad7
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/io.h
@@ -0,0 +1,18 @@
+/* arch/arm/mach-s5p6440/include/mach/io.h
+ *
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben-linux@fluff.org>
+ *
+ * Default IO routines for S3C64XX based
+ */
+
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+/* No current ISA/PCI bus support. */
+#define __io(a)		__typesafe_io(a)
+#define __mem_pci(a)	(a)
+
+#define IO_SPACE_LIMIT (0xFFFFFFFF)
+
+#endif
diff --git a/arch/arm/mach-s5p6440/include/mach/irqs.h b/arch/arm/mach-s5p6440/include/mach/irqs.h
new file mode 100644
index 000000000000..a4b9b40d18f2
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/irqs.h
@@ -0,0 +1,111 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/irqs.h
+ *
+ * Copyright 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - IRQ definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_S5P_IRQS_H
+#define __ASM_ARCH_S5P_IRQS_H __FILE__
+
+#include <plat/irqs.h>
+
+/* VIC0 */
+
+#define IRQ_EINT0_3		S5P_IRQ_VIC0(0)
+#define IRQ_EINT4_11		S5P_IRQ_VIC0(1)
+#define IRQ_RTC_TIC		S5P_IRQ_VIC0(2)
+#define IRQ_IIC1		S5P_IRQ_VIC0(5)
+#define IRQ_I2SV40		S5P_IRQ_VIC0(6)
+#define IRQ_GPS			S5P_IRQ_VIC0(7)
+#define IRQ_POST0		S5P_IRQ_VIC0(9)
+#define IRQ_2D			S5P_IRQ_VIC0(11)
+#define IRQ_TIMER0_VIC		S5P_IRQ_VIC0(23)
+#define IRQ_TIMER1_VIC		S5P_IRQ_VIC0(24)
+#define IRQ_TIMER2_VIC		S5P_IRQ_VIC0(25)
+#define IRQ_WDT			S5P_IRQ_VIC0(26)
+#define IRQ_TIMER3_VIC		S5P_IRQ_VIC0(27)
+#define IRQ_TIMER4_VIC		S5P_IRQ_VIC0(28)
+#define IRQ_DISPCON0		S5P_IRQ_VIC0(29)
+#define IRQ_DISPCON1		S5P_IRQ_VIC0(30)
+#define IRQ_DISPCON2		S5P_IRQ_VIC0(31)
+
+/* VIC1 */
+
+#define IRQ_EINT12_15		S5P_IRQ_VIC1(0)
+#define IRQ_PCM0		S5P_IRQ_VIC1(2)
+#define IRQ_UART0		S5P_IRQ_VIC1(5)
+#define IRQ_UART1		S5P_IRQ_VIC1(6)
+#define IRQ_UART2		S5P_IRQ_VIC1(7)
+#define IRQ_UART3		S5P_IRQ_VIC1(8)
+#define IRQ_DMA0		S5P_IRQ_VIC1(9)
+#define IRQ_NFC			S5P_IRQ_VIC1(13)
+#define IRQ_SPI0		S5P_IRQ_VIC1(16)
+#define IRQ_SPI1		S5P_IRQ_VIC1(17)
+#define IRQ_IIC			S5P_IRQ_VIC1(18)
+#define IRQ_DISPCON3		S5P_IRQ_VIC1(19)
+#define IRQ_FIMGVG		S5P_IRQ_VIC1(20)
+#define IRQ_EINT_GROUPS		S5P_IRQ_VIC1(21)
+#define IRQ_PMUIRQ		S5P_IRQ_VIC1(23)
+#define IRQ_HSMMC0		S5P_IRQ_VIC1(24)
+#define IRQ_HSMMC1		S5P_IRQ_VIC1(25)
+#define IRQ_HSMMC2		IRQ_SPI1	/* shared with SPI1 */
+#define IRQ_OTG			S5P_IRQ_VIC1(26)
+#define IRQ_DSI			S5P_IRQ_VIC1(27)
+#define IRQ_RTC_ALARM		S5P_IRQ_VIC1(28)
+#define IRQ_TSI			S5P_IRQ_VIC1(29)
+#define IRQ_PENDN		S5P_IRQ_VIC1(30)
+#define IRQ_TC			IRQ_PENDN
+#define IRQ_ADC			S5P_IRQ_VIC1(31)
+
+/*
+ * Since the IRQ_EINT(x) are a linear mapping on s5p6440 we just defined
+ * them as an IRQ_EINT(x) macro from S5P_IRQ_EINT_BASE which we place
+ * after the pair of VICs.
+ */
+
+#define S5P_IRQ_EINT_BASE	(S5P_IRQ_VIC1(31) + 6)
+
+#define S5P_EINT(x)		((x) + S5P_IRQ_EINT_BASE)
+#define IRQ_EINT(x)		S5P_EINT(x)
+
+/*
+ * Next the external interrupt groups. These are similar to the IRQ_EINT(x)
+ * that they are sourced from the GPIO pins but with a different scheme for
+ * priority and source indication.
+ *
+ * The IRQ_EINT(x) can be thought of as 'group 0' of the available GPIO
+ * interrupts, but for historical reasons they are kept apart from these
+ * next interrupts.
+ *
+ * Use IRQ_EINT_GROUP(group, offset) to get the number for use in the
+ * machine specific support files.
+ */
+
+/* Actually, #6 and #7 are missing in the EINT_GROUP1 */
+#define IRQ_EINT_GROUP1_NR	(15)
+#define IRQ_EINT_GROUP2_NR	(8)
+#define IRQ_EINT_GROUP5_NR	(7)
+#define IRQ_EINT_GROUP6_NR	(10)
+/* Actually, #0, #1 and #2 are missing in the EINT_GROUP8 */
+#define IRQ_EINT_GROUP8_NR	(11)
+
+#define IRQ_EINT_GROUP_BASE	S5P_EINT(16)
+#define IRQ_EINT_GROUP1_BASE	(IRQ_EINT_GROUP_BASE + 0)
+#define IRQ_EINT_GROUP2_BASE	(IRQ_EINT_GROUP1_BASE + IRQ_EINT_GROUP1_NR)
+#define IRQ_EINT_GROUP5_BASE	(IRQ_EINT_GROUP2_BASE + IRQ_EINT_GROUP2_NR)
+#define IRQ_EINT_GROUP6_BASE	(IRQ_EINT_GROUP5_BASE + IRQ_EINT_GROUP5_NR)
+#define IRQ_EINT_GROUP8_BASE	(IRQ_EINT_GROUP6_BASE + IRQ_EINT_GROUP6_NR)
+
+#define IRQ_EINT_GROUP(grp, x)	(IRQ_EINT_GROUP##grp##_BASE + (x))
+
+/* Set the default NR_IRQS */
+
+#define NR_IRQS			(IRQ_EINT_GROUP8_BASE + IRQ_EINT_GROUP8_NR + 1)
+
+#endif /* __ASM_ARCH_S5P_IRQS_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/map.h b/arch/arm/mach-s5p6440/include/mach/map.h
new file mode 100644
index 000000000000..8924e5a4d6a6
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/map.h
@@ -0,0 +1,68 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/map.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - Memory map definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_MAP_H
+#define __ASM_ARCH_MAP_H __FILE__
+
+#include <plat/map-base.h>
+#include <plat/map-s5p.h>
+
+#define S5P6440_PA_CHIPID	(0xE0000000)
+#define S5P_PA_CHIPID		S5P6440_PA_CHIPID
+
+#define S5P6440_PA_SYSCON	(0xE0100000)
+#define S5P6440_PA_CLK		(S5P6440_PA_SYSCON + 0x0)
+#define S5P_PA_SYSCON		S5P6440_PA_SYSCON
+
+#define S5P6440_PA_GPIO		(0xE0308000)
+#define S5P_PA_GPIO		S5P6440_PA_GPIO
+
+#define S5P6440_PA_VIC0		(0xE4000000)
+#define S5P_PA_VIC0		S5P6440_PA_VIC0
+
+#define S5P6440_PA_VIC1		(0xE4100000)
+#define S5P_PA_VIC1		S5P6440_PA_VIC1
+
+#define S5P6440_PA_TIMER	(0xEA000000)
+#define S5P_PA_TIMER		S5P6440_PA_TIMER
+
+#define S5P6440_PA_RTC		(0xEA100000)
+#define S5P_PA_RTC		S5P6440_PA_RTC
+
+#define S5P6440_PA_WDT		(0xEA200000)
+#define S5P_PA_WDT		S5P6440_PA_WDT
+
+#define S5P6440_PA_UART		(0xEC000000)
+
+#define S5P_PA_UART0		(S5P6440_PA_UART + 0x0)
+#define S5P_PA_UART1		(S5P6440_PA_UART + 0x400)
+#define S5P_PA_UART2		(S5P6440_PA_UART + 0x800)
+#define S5P_PA_UART3		(S5P6440_PA_UART + 0xC00)
+
+#define S5P_SZ_UART		SZ_256
+
+#define S5P6440_PA_IIC0		(0xEC104000)
+
+#define S5P6440_PA_HSOTG	(0xED100000)
+
+#define S5P6440_PA_HSMMC0	(0xED800000)
+#define S5P6440_PA_HSMMC1	(0xED900000)
+#define S5P6440_PA_HSMMC2	(0xEDA00000)
+
+#define S5P6440_PA_SDRAM	(0x20000000)
+#define S5P_PA_SDRAM		S5P6440_PA_SDRAM
+
+/* compatibiltiy defines. */
+#define S3C_PA_UART		S5P6440_PA_UART
+#define S3C_PA_IIC		S5P6440_PA_IIC0
+
+#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/memory.h b/arch/arm/mach-s5p6440/include/mach/memory.h
new file mode 100644
index 000000000000..d62910c71b56
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/memory.h
@@ -0,0 +1,19 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/memory.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - Memory definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+#define PHYS_OFFSET     	UL(0x20000000)
+#define CONSISTENT_DMA_SIZE	SZ_8M
+
+#endif /* __ASM_ARCH_MEMORY_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/pwm-clock.h b/arch/arm/mach-s5p6440/include/mach/pwm-clock.h
new file mode 100644
index 000000000000..c4bb7c555477
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/pwm-clock.h
@@ -0,0 +1,62 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/pwm-clock.h
+ *
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * Copyright 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - pwm clock and timer support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/**
+ * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk
+ * @cfg: The timer TCFG1 register bits shifted down to 0.
+ *
+ * Return true if the given configuration from TCFG1 is a TCLK instead
+ * any of the TDIV clocks.
+ */
+static inline int pwm_cfg_src_is_tclk(unsigned long tcfg)
+{
+	return tcfg == S3C2410_TCFG1_MUX_TCLK;
+}
+
+/**
+ * tcfg_to_divisor() - convert tcfg1 setting to a divisor
+ * @tcfg1: The tcfg1 setting, shifted down.
+ *
+ * Get the divisor value for the given tcfg1 setting. We assume the
+ * caller has already checked to see if this is not a TCLK source.
+ */
+static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
+{
+	return 1 << (1 + tcfg1);
+}
+
+/**
+ * pwm_tdiv_has_div1() - does the tdiv setting have a /1
+ *
+ * Return true if we have a /1 in the tdiv setting.
+ */
+static inline unsigned int pwm_tdiv_has_div1(void)
+{
+	return 0;
+}
+
+/**
+ * pwm_tdiv_div_bits() - calculate TCFG1 divisor value.
+ * @div: The divisor to calculate the bit information for.
+ *
+ * Turn a divisor into the necessary bit field for TCFG1.
+ */
+static inline unsigned long pwm_tdiv_div_bits(unsigned int div)
+{
+	return ilog2(div) - 1;
+}
+
+#define S3C_TCFG1_MUX_TCLK S3C2410_TCFG1_MUX_TCLK
diff --git a/arch/arm/mach-s5p6440/include/mach/regs-clock.h b/arch/arm/mach-s5p6440/include/mach/regs-clock.h
new file mode 100644
index 000000000000..c783ecc9f193
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/regs-clock.h
@@ -0,0 +1,130 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/regs-clock.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - Clock register definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_REGS_CLOCK_H
+#define __ASM_ARCH_REGS_CLOCK_H __FILE__
+
+#include <mach/map.h>
+
+#define S5P_CLKREG(x)		(S3C_VA_SYS + (x))
+
+#define S5P_APLL_LOCK		S5P_CLKREG(0x00)
+#define S5P_MPLL_LOCK		S5P_CLKREG(0x04)
+#define S5P_EPLL_LOCK		S5P_CLKREG(0x08)
+#define S5P_APLL_CON		S5P_CLKREG(0x0C)
+#define S5P_MPLL_CON		S5P_CLKREG(0x10)
+#define S5P_EPLL_CON		S5P_CLKREG(0x14)
+#define S5P_EPLL_CON_K		S5P_CLKREG(0x18)
+#define S5P_CLK_SRC0		S5P_CLKREG(0x1C)
+#define S5P_CLK_DIV0		S5P_CLKREG(0x20)
+#define S5P_CLK_DIV1		S5P_CLKREG(0x24)
+#define S5P_CLK_DIV2		S5P_CLKREG(0x28)
+#define S5P_CLK_OUT		S5P_CLKREG(0x2C)
+#define S5P_CLK_GATE_HCLK0	S5P_CLKREG(0x30)
+#define S5P_CLK_GATE_PCLK	S5P_CLKREG(0x34)
+#define S5P_CLK_GATE_SCLK0	S5P_CLKREG(0x38)
+#define S5P_CLK_GATE_MEM0	S5P_CLKREG(0x3C)
+#define S5P_CLK_DIV3		S5P_CLKREG(0x40)
+#define S5P_CLK_GATE_HCLK1	S5P_CLKREG(0x44)
+#define S5P_CLK_GATE_SCLK1	S5P_CLKREG(0x48)
+#define S5P_AHB_CON0           	S5P_CLKREG(0x100)
+#define S5P_CLK_SRC1           	S5P_CLKREG(0x10C)
+#define S5P_SWRESET		S5P_CLKREG(0x114)
+#define S5P_SYS_ID		S5P_CLKREG(0x118)
+#define S5P_SYS_OTHERS		S5P_CLKREG(0x11C)
+#define S5P_MEM_CFG_STAT	S5P_CLKREG(0x12C)
+#define S5P_PWR_CFG		S5P_CLKREG(0x804)
+#define S5P_EINT_WAKEUP_MASK	S5P_CLKREG(0x808)
+#define S5P_NORMAL_CFG		S5P_CLKREG(0x810)
+#define S5P_STOP_CFG		S5P_CLKREG(0x814)
+#define S5P_SLEEP_CFG		S5P_CLKREG(0x818)
+#define S5P_OSC_FREQ		S5P_CLKREG(0x820)
+#define S5P_OSC_STABLE		S5P_CLKREG(0x824)
+#define S5P_PWR_STABLE		S5P_CLKREG(0x828)
+#define S5P_MTC_STABLE		S5P_CLKREG(0x830)
+#define S5P_OTHERS		S5P_CLKREG(0x900)
+#define S5P_RST_STAT		S5P_CLKREG(0x904)
+#define S5P_WAKEUP_STAT		S5P_CLKREG(0x908)
+#define S5P_SLPEN		S5P_CLKREG(0x930)
+#define S5P_INFORM0		S5P_CLKREG(0xA00)
+#define S5P_INFORM1		S5P_CLKREG(0xA04)
+#define S5P_INFORM2		S5P_CLKREG(0xA08)
+#define S5P_INFORM3		S5P_CLKREG(0xA0C)
+
+/* CLKDIV0 */
+#define S5P_CLKDIV0_PCLK_MASK		(0xf << 12)
+#define S5P_CLKDIV0_PCLK_SHIFT		(12)
+#define S5P_CLKDIV0_HCLK_MASK		(0xf << 8)
+#define S5P_CLKDIV0_HCLK_SHIFT		(8)
+#define S5P_CLKDIV0_MPLL_MASK		(0x1 << 4)
+#define S5P_CLKDIV0_ARM_MASK		(0xf << 0)
+#define S5P_CLKDIV0_ARM_SHIFT		(0)
+
+/* CLKDIV3 */
+#define S5P_CLKDIV3_PCLK_LOW_MASK	(0xf << 12)
+#define S5P_CLKDIV3_PCLK_LOW_SHIFT	(12)
+#define S5P_CLKDIV3_HCLK_LOW_MASK	(0xf << 8)
+#define S5P_CLKDIV3_HCLK_LOW_SHIFT	(8)
+
+/* HCLK0 GATE Registers */
+#define S5P_CLKCON_HCLK0_USB		(1<<20)
+#define S5P_CLKCON_HCLK0_HSMMC2		(1<<19)
+#define S5P_CLKCON_HCLK0_HSMMC1		(1<<18)
+#define S5P_CLKCON_HCLK0_HSMMC0		(1<<17)
+#define S5P_CLKCON_HCLK0_POST0		(1<<5)
+
+/* HCLK1 GATE Registers */
+#define S5P_CLKCON_HCLK1_DISPCON	(1<<1)
+
+/* PCLK GATE Registers */
+#define S5P_CLKCON_PCLK_IIS2		(1<<26)
+#define S5P_CLKCON_PCLK_SPI1		(1<<22)
+#define S5P_CLKCON_PCLK_SPI0		(1<<21)
+#define S5P_CLKCON_PCLK_GPIO		(1<<18)
+#define S5P_CLKCON_PCLK_IIC0		(1<<17)
+#define S5P_CLKCON_PCLK_TSADC		(1<<12)
+#define S5P_CLKCON_PCLK_PWM		(1<<7)
+#define S5P_CLKCON_PCLK_RTC		(1<<6)
+#define S5P_CLKCON_PCLK_WDT		(1<<5)
+#define S5P_CLKCON_PCLK_UART3		(1<<4)
+#define S5P_CLKCON_PCLK_UART2		(1<<3)
+#define S5P_CLKCON_PCLK_UART1		(1<<2)
+#define S5P_CLKCON_PCLK_UART0		(1<<1)
+
+/* SCLK0 GATE Registers */
+#define S5P_CLKCON_SCLK0_MMC2_48	(1<<29)
+#define S5P_CLKCON_SCLK0_MMC1_48	(1<<28)
+#define S5P_CLKCON_SCLK0_MMC0_48	(1<<27)
+#define S5P_CLKCON_SCLK0_MMC2		(1<<26)
+#define S5P_CLKCON_SCLK0_MMC1		(1<<25)
+#define S5P_CLKCON_SCLK0_MMC0		(1<<24)
+#define S5P_CLKCON_SCLK0_SPI1_48 	(1<<23)
+#define S5P_CLKCON_SCLK0_SPI0_48 	(1<<22)
+#define S5P_CLKCON_SCLK0_SPI1		(1<<21)
+#define S5P_CLKCON_SCLK0_SPI0		(1<<20)
+#define S5P_CLKCON_SCLK0_UART		(1<<5)
+
+/* SCLK1 GATE Registers */
+
+/* MEM0 GATE Registers */
+#define S5P_CLKCON_MEM0_HCLK_NFCON	(1<<2)
+
+/*OTHERS Resgister */
+#define S5P_OTHERS_USB_SIG_MASK		(1<<16)
+#define S5P_OTHERS_HCLK_LOW_SEL_MPLL	(1<<6)
+
+/* Compatibility defines */
+#define ARM_CLK_DIV			S5P_CLK_DIV0
+#define ARM_DIV_RATIO_SHIFT		0
+#define ARM_DIV_MASK			(0xf << ARM_DIV_RATIO_SHIFT)
+
+#endif /* __ASM_ARCH_REGS_CLOCK_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/regs-gpio.h b/arch/arm/mach-s5p6440/include/mach/regs-gpio.h
new file mode 100644
index 000000000000..82ff753913da
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/regs-gpio.h
@@ -0,0 +1,54 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/regs-gpio.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - GPIO register definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ASM_ARCH_REGS_GPIO_H
+#define __ASM_ARCH_REGS_GPIO_H __FILE__
+
+#include <mach/map.h>
+
+/* Base addresses for each of the banks */
+#define S5P6440_GPA_BASE		(S5P_VA_GPIO + 0x0000)
+#define S5P6440_GPB_BASE		(S5P_VA_GPIO + 0x0020)
+#define S5P6440_GPC_BASE		(S5P_VA_GPIO + 0x0040)
+#define S5P6440_GPF_BASE		(S5P_VA_GPIO + 0x00A0)
+#define S5P6440_GPG_BASE		(S5P_VA_GPIO + 0x00C0)
+#define S5P6440_GPH_BASE		(S5P_VA_GPIO + 0x00E0)
+#define S5P6440_GPI_BASE		(S5P_VA_GPIO + 0x0100)
+#define S5P6440_GPJ_BASE		(S5P_VA_GPIO + 0x0120)
+#define S5P6440_GPN_BASE		(S5P_VA_GPIO + 0x0830)
+#define S5P6440_GPP_BASE		(S5P_VA_GPIO + 0x0160)
+#define S5P6440_GPR_BASE		(S5P_VA_GPIO + 0x0290)
+#define S5P6440_EINT0CON0		(S5P_VA_GPIO + 0x900)
+#define S5P6440_EINT0FLTCON0		(S5P_VA_GPIO + 0x910)
+#define S5P6440_EINT0FLTCON1		(S5P_VA_GPIO + 0x914)
+#define S5P6440_EINT0MASK		(S5P_VA_GPIO + 0x920)
+#define S5P6440_EINT0PEND		(S5P_VA_GPIO + 0x924)
+
+/* for LCD */
+#define S5P6440_SPCON_LCD_SEL_RGB	(1 << 0)
+#define S5P6440_SPCON_LCD_SEL_MASK	(3 << 0)
+
+/* These set of macros are not really useful for the
+ * GPF/GPI/GPJ/GPN/GPP,
+ * useful for others set of GPIO's (4 bit)
+ */
+#define S5P6440_GPIO_CONMASK(__gpio)	(0xf << ((__gpio) * 4))
+#define S5P6440_GPIO_INPUT(__gpio)	(0x0 << ((__gpio) * 4))
+#define S5P6440_GPIO_OUTPUT(__gpio)	(0x1 << ((__gpio) * 4))
+
+/* Use these macros for GPF/GPI/GPJ/GPN/GPP set of GPIO (2 bit)
+ * */
+#define S5P6440_GPIO2_CONMASK(__gpio)	(0x3 << ((__gpio) * 2))
+#define S5P6440_GPIO2_INPUT(__gpio)	(0x0 << ((__gpio) * 2))
+#define S5P6440_GPIO2_OUTPUT(__gpio)	(0x1 << ((__gpio) * 2))
+
+#endif /* __ASM_ARCH_REGS_GPIO_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/regs-irq.h b/arch/arm/mach-s5p6440/include/mach/regs-irq.h
new file mode 100644
index 000000000000..a961f4beeb0c
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/regs-irq.h
@@ -0,0 +1,19 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/regs-irq.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - IRQ register definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_REGS_IRQ_H
+#define __ASM_ARCH_REGS_IRQ_H __FILE__
+
+#include <asm/hardware/vic.h>
+#include <mach/map.h>
+
+#endif /* __ASM_ARCH_REGS_IRQ_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/system.h b/arch/arm/mach-s5p6440/include/mach/system.h
new file mode 100644
index 000000000000..d2dd817da66a
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/system.h
@@ -0,0 +1,26 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/system.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - system support header
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H __FILE__
+
+static void arch_idle(void)
+{
+	/* nothing here yet */
+}
+
+static void arch_reset(char mode, const char *cmd)
+{
+	/* nothing here yet */
+}
+
+#endif /* __ASM_ARCH_SYSTEM_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/tick.h b/arch/arm/mach-s5p6440/include/mach/tick.h
new file mode 100644
index 000000000000..2f25c7f07970
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/tick.h
@@ -0,0 +1,24 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/tick.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - Timer tick support definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_TICK_H
+#define __ASM_ARCH_TICK_H __FILE__
+
+static inline u32 s3c24xx_ostimer_pending(void)
+{
+	u32 pend = __raw_readl(VA_VIC0 + VIC_RAW_STATUS);
+	return pend & (1 << (IRQ_TIMER4_VIC - S5P_IRQ_VIC0(0)));
+}
+
+#define TICK_MAX	(0xffffffff)
+
+#endif /* __ASM_ARCH_TICK_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/timex.h b/arch/arm/mach-s5p6440/include/mach/timex.h
new file mode 100644
index 000000000000..fb2e8cd40829
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/timex.h
@@ -0,0 +1,24 @@
+/* arch/arm/mach-s3c64xx/include/mach/timex.h
+ *
+ * Copyright (c) 2003-2005 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C6400 - time parameters
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_TIMEX_H
+#define __ASM_ARCH_TIMEX_H
+
+/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it
+ * a variable is useless. It seems as long as we make our timers an
+ * exact multiple of HZ, any value that makes a 1->1 correspondence
+ * for the time conversion functions to/from jiffies is acceptable.
+*/
+
+#define CLOCK_TICK_RATE 12000000
+
+#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/uncompress.h b/arch/arm/mach-s5p6440/include/mach/uncompress.h
new file mode 100644
index 000000000000..7c1f600d65c0
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/uncompress.h
@@ -0,0 +1,24 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/uncompress.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - uncompress code
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_UNCOMPRESS_H
+#define __ASM_ARCH_UNCOMPRESS_H
+
+#include <mach/map.h>
+#include <plat/uncompress.h>
+
+static void arch_detect_cpu(void)
+{
+	/* we do not need to do any cpu detection here at the moment. */
+}
+
+#endif /* __ASM_ARCH_UNCOMPRESS_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/vmalloc.h b/arch/arm/mach-s5p6440/include/mach/vmalloc.h
new file mode 100644
index 000000000000..16df257b1dce
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/vmalloc.h
@@ -0,0 +1,17 @@
+/* arch/arm/mach-s5p6440/include/mach/vmalloc.h
+ *
+ * Copyright 2010 Ben Dooks <ben-linux@fluff.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * S3C6400 vmalloc definition
+*/
+
+#ifndef __ASM_ARCH_VMALLOC_H
+#define __ASM_ARCH_VMALLOC_H
+
+#define VMALLOC_END	  (0xE0000000)
+
+#endif /* __ASM_ARCH_VMALLOC_H */
diff --git a/arch/arm/mach-s5p6440/init.c b/arch/arm/mach-s5p6440/init.c
new file mode 100644
index 000000000000..a1f3727e4021
--- /dev/null
+++ b/arch/arm/mach-s5p6440/init.c
@@ -0,0 +1,52 @@
+/* linux/arch/arm/mach-s5p6440/init.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6440 - Init support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/s5p6440.h>
+#include <plat/regs-serial.h>
+
+static struct s3c24xx_uart_clksrc s5p6440_serial_clocks[] = {
+	[0] = {
+		.name		= "pclk_low",
+		.divisor	= 1,
+		.min_baud	= 0,
+		.max_baud	= 0,
+	},
+	[1] = {
+		.name		= "uclk1",
+		.divisor	= 1,
+		.min_baud	= 0,
+		.max_baud	= 0,
+	},
+};
+
+/* uart registration process */
+void __init s5p6440_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	struct s3c2410_uartcfg *tcfg = cfg;
+	u32 ucnt;
+
+	for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
+		if (!tcfg->clocks) {
+			tcfg->clocks = s5p6440_serial_clocks;
+			tcfg->clocks_size = ARRAY_SIZE(s5p6440_serial_clocks);
+		}
+	}
+
+	s3c24xx_init_uartdevs("s3c6400-uart", s5p_uart_resources, cfg, no);
+}
diff --git a/arch/arm/mach-s5p6440/mach-smdk6440.c b/arch/arm/mach-s5p6440/mach-smdk6440.c
new file mode 100644
index 000000000000..3ae88f2c7c77
--- /dev/null
+++ b/arch/arm/mach-s5p6440/mach-smdk6440.c
@@ -0,0 +1,111 @@
+/* linux/arch/arm/mach-s5p6440/mach-smdk6440.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/clk.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+
+#include <plat/regs-serial.h>
+
+#include <plat/s5p6440.h>
+#include <plat/clock.h>
+#include <mach/regs-clock.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+#include <plat/pll.h>
+
+#define S5P6440_UCON_DEFAULT    (S3C2410_UCON_TXILEVEL |	\
+				S3C2410_UCON_RXILEVEL |		\
+				S3C2410_UCON_TXIRQMODE |	\
+				S3C2410_UCON_RXIRQMODE |	\
+				S3C2410_UCON_RXFIFO_TOI |	\
+				S3C2443_UCON_RXERR_IRQEN)
+
+#define S5P6440_ULCON_DEFAULT	S3C2410_LCON_CS8
+
+#define S5P6440_UFCON_DEFAULT   (S3C2410_UFCON_FIFOMODE |	\
+				S3C2440_UFCON_TXTRIG16 |	\
+				S3C2410_UFCON_RXTRIG8)
+
+static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport	     = 0,
+		.flags	     = 0,
+		.ucon	     = S5P6440_UCON_DEFAULT,
+		.ulcon	     = S5P6440_ULCON_DEFAULT,
+		.ufcon	     = S5P6440_UFCON_DEFAULT,
+	},
+	[1] = {
+		.hwport	     = 1,
+		.flags	     = 0,
+		.ucon	     = S5P6440_UCON_DEFAULT,
+		.ulcon	     = S5P6440_ULCON_DEFAULT,
+		.ufcon	     = S5P6440_UFCON_DEFAULT,
+	},
+	[2] = {
+		.hwport	     = 2,
+		.flags	     = 0,
+		.ucon	     = S5P6440_UCON_DEFAULT,
+		.ulcon	     = S5P6440_ULCON_DEFAULT,
+		.ufcon	     = S5P6440_UFCON_DEFAULT,
+	},
+	[3] = {
+		.hwport	     = 3,
+		.flags	     = 0,
+		.ucon	     = S5P6440_UCON_DEFAULT,
+		.ulcon	     = S5P6440_ULCON_DEFAULT,
+		.ufcon	     = S5P6440_UFCON_DEFAULT,
+	},
+};
+
+static struct platform_device *smdk6440_devices[] __initdata = {
+};
+
+static void __init smdk6440_map_io(void)
+{
+	s5p_init_io(NULL, 0, S5P_SYS_ID);
+	s3c24xx_init_clocks(12000000);
+	s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
+}
+
+static void __init smdk6440_machine_init(void)
+{
+	platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
+}
+
+MACHINE_START(SMDK6440, "SMDK6440")
+	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
+	.phys_io	= S3C_PA_UART & 0xfff00000,
+	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
+	.boot_params	= S5P_PA_SDRAM + 0x100,
+
+	.init_irq	= s5p6440_init_irq,
+	.map_io		= smdk6440_map_io,
+	.init_machine	= smdk6440_machine_init,
+	.timer		= &s3c24xx_timer,
+MACHINE_END
diff --git a/arch/arm/mach-s5p6442/Kconfig b/arch/arm/mach-s5p6442/Kconfig
new file mode 100644
index 000000000000..4f3f6de6a013
--- /dev/null
+++ b/arch/arm/mach-s5p6442/Kconfig
@@ -0,0 +1,24 @@
+# arch/arm/mach-s5p6442/Kconfig
+#
+# Copyright (c) 2010 Samsung Electronics Co., Ltd.
+#		http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+# Configuration options for the S5P6442
+
+if ARCH_S5P6442
+
+config CPU_S5P6442
+	bool
+	select PLAT_S5P
+	help
+	  Enable S5P6442 CPU support
+
+config MACH_SMDK6442
+	bool "SMDK6442"
+	select CPU_S5P6442
+	help
+	  Machine support for Samsung SMDK6442
+
+endif
diff --git a/arch/arm/mach-s5p6442/Makefile b/arch/arm/mach-s5p6442/Makefile
new file mode 100644
index 000000000000..dde39a6ce6bc
--- /dev/null
+++ b/arch/arm/mach-s5p6442/Makefile
@@ -0,0 +1,19 @@
+# arch/arm/mach-s5p6442/Makefile
+#
+# Copyright (c) 2010 Samsung Electronics Co., Ltd.
+# 		http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+obj-y				:=
+obj-m				:=
+obj-n				:=
+obj-				:=
+
+# Core support for S5P6442 system
+
+obj-$(CONFIG_CPU_S5P6442)	+= cpu.o init.o clock.o
+
+# machine support
+
+obj-$(CONFIG_MACH_SMDK6442)	+= mach-smdk6442.o
diff --git a/arch/arm/mach-s5p6442/Makefile.boot b/arch/arm/mach-s5p6442/Makefile.boot
new file mode 100644
index 000000000000..ff90aa13bd67
--- /dev/null
+++ b/arch/arm/mach-s5p6442/Makefile.boot
@@ -0,0 +1,2 @@
+   zreladdr-y	:= 0x20008000
+params_phys-y	:= 0x20000100
diff --git a/arch/arm/mach-s5p6442/clock.c b/arch/arm/mach-s5p6442/clock.c
new file mode 100644
index 000000000000..3aadbf42c112
--- /dev/null
+++ b/arch/arm/mach-s5p6442/clock.c
@@ -0,0 +1,396 @@
+/* linux/arch/arm/mach-s5p6442/clock.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6442 - Clock support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <mach/map.h>
+
+#include <plat/cpu-freq.h>
+#include <mach/regs-clock.h>
+#include <plat/clock.h>
+#include <plat/cpu.h>
+#include <plat/pll.h>
+#include <plat/s5p-clock.h>
+#include <plat/clock-clksrc.h>
+#include <plat/s5p6442.h>
+
+static struct clksrc_clk clk_mout_apll = {
+	.clk	= {
+		.name		= "mout_apll",
+		.id		= -1,
+	},
+	.sources	= &clk_src_apll,
+	.reg_src	= { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 },
+};
+
+static struct clksrc_clk clk_mout_mpll = {
+	.clk = {
+		.name		= "mout_mpll",
+		.id		= -1,
+	},
+	.sources	= &clk_src_mpll,
+	.reg_src	= { .reg = S5P_CLK_SRC0, .shift = 4, .size = 1 },
+};
+
+static struct clksrc_clk clk_mout_epll = {
+	.clk	= {
+		.name		= "mout_epll",
+		.id		= -1,
+	},
+	.sources	= &clk_src_epll,
+	.reg_src	= { .reg = S5P_CLK_SRC0, .shift = 8, .size = 1 },
+};
+
+/* Possible clock sources for ARM Mux */
+static struct clk *clk_src_arm_list[] = {
+	[1] = &clk_mout_apll.clk,
+	[2] = &clk_mout_mpll.clk,
+};
+
+static struct clksrc_sources clk_src_arm = {
+	.sources	= clk_src_arm_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_arm_list),
+};
+
+static struct clksrc_clk clk_mout_arm = {
+	.clk	= {
+		.name		= "mout_arm",
+		.id		= -1,
+	},
+	.sources	= &clk_src_arm,
+	.reg_src	= { .reg = S5P_CLK_MUX_STAT0, .shift = 16, .size = 3 },
+};
+
+static struct clk clk_dout_a2m = {
+	.name		= "dout_a2m",
+	.id		= -1,
+	.parent		= &clk_mout_apll.clk,
+};
+
+/* Possible clock sources for D0 Mux */
+static struct clk *clk_src_d0_list[] = {
+	[1] = &clk_mout_mpll.clk,
+	[2] = &clk_dout_a2m,
+};
+
+static struct clksrc_sources clk_src_d0 = {
+	.sources	= clk_src_d0_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_d0_list),
+};
+
+static struct clksrc_clk clk_mout_d0 = {
+	.clk = {
+		.name		= "mout_d0",
+		.id		= -1,
+	},
+	.sources	= &clk_src_d0,
+	.reg_src	= { .reg = S5P_CLK_MUX_STAT0, .shift = 20, .size = 3 },
+};
+
+static struct clk clk_dout_apll = {
+	.name		= "dout_apll",
+	.id		= -1,
+	.parent		= &clk_mout_arm.clk,
+};
+
+/* Possible clock sources for D0SYNC Mux */
+static struct clk *clk_src_d0sync_list[] = {
+	[1] = &clk_mout_d0.clk,
+	[2] = &clk_dout_apll,
+};
+
+static struct clksrc_sources clk_src_d0sync = {
+	.sources	= clk_src_d0sync_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_d0sync_list),
+};
+
+static struct clksrc_clk clk_mout_d0sync = {
+	.clk	= {
+		.name		= "mout_d0sync",
+		.id		= -1,
+	},
+	.sources	= &clk_src_d0sync,
+	.reg_src	= { .reg = S5P_CLK_MUX_STAT1, .shift = 28, .size = 3 },
+};
+
+/* Possible clock sources for D1 Mux */
+static struct clk *clk_src_d1_list[] = {
+	[1] = &clk_mout_mpll.clk,
+	[2] = &clk_dout_a2m,
+};
+
+static struct clksrc_sources clk_src_d1 = {
+	.sources	= clk_src_d1_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_d1_list),
+};
+
+static struct clksrc_clk clk_mout_d1 = {
+	.clk	= {
+		.name		= "mout_d1",
+		.id		= -1,
+	},
+	.sources	= &clk_src_d1,
+	.reg_src	= { .reg = S5P_CLK_MUX_STAT0, .shift = 24, .size = 3 },
+};
+
+/* Possible clock sources for D1SYNC Mux */
+static struct clk *clk_src_d1sync_list[] = {
+	[1] = &clk_mout_d1.clk,
+	[2] = &clk_dout_apll,
+};
+
+static struct clksrc_sources clk_src_d1sync = {
+	.sources	= clk_src_d1sync_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_d1sync_list),
+};
+
+static struct clksrc_clk clk_mout_d1sync = {
+	.clk	= {
+		.name		= "mout_d1sync",
+		.id		= -1,
+	},
+	.sources	= &clk_src_d1sync,
+	.reg_src	= { .reg = S5P_CLK_MUX_STAT1, .shift = 24, .size = 3 },
+};
+
+static struct clk clk_hclkd0 = {
+	.name		= "hclkd0",
+	.id		= -1,
+	.parent		= &clk_mout_d0sync.clk,
+};
+
+static struct clk clk_hclkd1 = {
+	.name		= "hclkd1",
+	.id		= -1,
+	.parent		= &clk_mout_d1sync.clk,
+};
+
+static struct clk clk_pclkd0 = {
+	.name		= "pclkd0",
+	.id		= -1,
+	.parent		= &clk_hclkd0,
+};
+
+static struct clk clk_pclkd1 = {
+	.name		= "pclkd1",
+	.id		= -1,
+	.parent		= &clk_hclkd1,
+};
+
+int s5p6442_clk_ip3_ctrl(struct clk *clk, int enable)
+{
+	return s5p_gatectrl(S5P_CLKGATE_IP3, clk, enable);
+}
+
+static struct clksrc_clk clksrcs[] = {
+	{
+		.clk	= {
+			.name		= "dout_a2m",
+			.id		= -1,
+			.parent		= &clk_mout_apll.clk,
+		},
+		.sources = &clk_src_apll,
+		.reg_src = { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 },
+		.reg_div = { .reg = S5P_CLK_DIV0, .shift = 4, .size = 3 },
+	}, {
+		.clk	= {
+			.name		= "dout_apll",
+			.id		= -1,
+			.parent		= &clk_mout_arm.clk,
+		},
+		.sources = &clk_src_arm,
+		.reg_src = { .reg = S5P_CLK_MUX_STAT0, .shift = 16, .size = 3 },
+		.reg_div = { .reg = S5P_CLK_DIV0, .shift = 0, .size = 3 },
+	}, {
+		.clk	= {
+			.name		= "hclkd1",
+			.id		= -1,
+			.parent		= &clk_mout_d1sync.clk,
+		},
+		.sources = &clk_src_d1sync,
+		.reg_src = { .reg = S5P_CLK_MUX_STAT1, .shift = 24, .size = 3 },
+		.reg_div = { .reg = S5P_CLK_DIV0, .shift = 24, .size = 4 },
+	}, {
+		.clk	= {
+			.name		= "hclkd0",
+			.id		= -1,
+			.parent		= &clk_mout_d0sync.clk,
+		},
+		.sources = &clk_src_d0sync,
+		.reg_src = { .reg = S5P_CLK_MUX_STAT1, .shift = 28, .size = 3 },
+		.reg_div = { .reg = S5P_CLK_DIV0, .shift = 16, .size = 4 },
+	}, {
+		.clk	= {
+			.name		= "pclkd0",
+			.id		= -1,
+			.parent		= &clk_hclkd0,
+		},
+		.sources = &clk_src_d0sync,
+		.reg_src = { .reg = S5P_CLK_MUX_STAT1, .shift = 28, .size = 3 },
+		.reg_div = { .reg = S5P_CLK_DIV0, .shift = 20, .size = 3 },
+	}, {
+		.clk	= {
+			.name		= "pclkd1",
+			.id		= -1,
+			.parent		= &clk_hclkd1,
+		},
+		.sources = &clk_src_d1sync,
+		.reg_src = { .reg = S5P_CLK_MUX_STAT1, .shift = 24, .size = 3 },
+		.reg_div = { .reg = S5P_CLK_DIV0, .shift = 28, .size = 3 },
+	}
+};
+
+/* Clock initialisation code */
+static struct clksrc_clk *init_parents[] = {
+	&clk_mout_apll,
+	&clk_mout_mpll,
+	&clk_mout_epll,
+	&clk_mout_arm,
+	&clk_mout_d0,
+	&clk_mout_d0sync,
+	&clk_mout_d1,
+	&clk_mout_d1sync,
+};
+
+void __init_or_cpufreq s5p6442_setup_clocks(void)
+{
+	struct clk *pclkd0_clk;
+	struct clk *pclkd1_clk;
+
+	unsigned long xtal;
+	unsigned long arm;
+	unsigned long hclkd0 = 0;
+	unsigned long hclkd1 = 0;
+	unsigned long pclkd0 = 0;
+	unsigned long pclkd1 = 0;
+
+	unsigned long apll;
+	unsigned long mpll;
+	unsigned long epll;
+	unsigned int ptr;
+
+	printk(KERN_DEBUG "%s: registering clocks\n", __func__);
+
+	xtal = clk_get_rate(&clk_xtal);
+
+	printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
+
+	apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
+	mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON), pll_4502);
+	epll = s5p_get_pll45xx(xtal, __raw_readl(S5P_EPLL_CON), pll_4500);
+
+	printk(KERN_INFO "S5P6440: PLL settings, A=%ld, M=%ld, E=%ld",
+			apll, mpll, epll);
+
+	clk_fout_apll.rate = apll;
+	clk_fout_mpll.rate = mpll;
+	clk_fout_epll.rate = epll;
+
+	for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++)
+		s3c_set_clksrc(init_parents[ptr], true);
+
+	for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
+		s3c_set_clksrc(&clksrcs[ptr], true);
+
+	arm = clk_get_rate(&clk_dout_apll);
+	hclkd0 = clk_get_rate(&clk_hclkd0);
+	hclkd1 = clk_get_rate(&clk_hclkd1);
+
+	pclkd0_clk = clk_get(NULL, "pclkd0");
+	BUG_ON(IS_ERR(pclkd0_clk));
+
+	pclkd0 = clk_get_rate(pclkd0_clk);
+	clk_put(pclkd0_clk);
+
+	pclkd1_clk = clk_get(NULL, "pclkd1");
+	BUG_ON(IS_ERR(pclkd1_clk));
+
+	pclkd1 = clk_get_rate(pclkd1_clk);
+	clk_put(pclkd1_clk);
+
+	printk(KERN_INFO "S5P6442: HCLKD0=%ld, HCLKD1=%ld, PCLKD0=%ld, PCLKD1=%ld\n",
+			hclkd0, hclkd1, pclkd0, pclkd1);
+
+	/* For backward compatibility */
+	clk_f.rate = arm;
+	clk_h.rate = hclkd1;
+	clk_p.rate = pclkd1;
+
+	clk_pclkd0.rate = pclkd0;
+	clk_pclkd1.rate = pclkd1;
+}
+
+static struct clk init_clocks[] = {
+	{
+		.name		= "systimer",
+		.id		= -1,
+		.parent		= &clk_pclkd1,
+		.enable		= s5p6442_clk_ip3_ctrl,
+		.ctrlbit	= (1<<16),
+	}, {
+		.name		= "uart",
+		.id		= 0,
+		.parent		= &clk_pclkd1,
+		.enable		= s5p6442_clk_ip3_ctrl,
+		.ctrlbit	= (1<<17),
+	}, {
+		.name		= "uart",
+		.id		= 1,
+		.parent		= &clk_pclkd1,
+		.enable		= s5p6442_clk_ip3_ctrl,
+		.ctrlbit	= (1<<18),
+	}, {
+		.name		= "uart",
+		.id		= 2,
+		.parent		= &clk_pclkd1,
+		.enable		= s5p6442_clk_ip3_ctrl,
+		.ctrlbit	= (1<<19),
+	}, {
+		.name		= "timers",
+		.id		= -1,
+		.parent		= &clk_pclkd1,
+		.enable		= s5p6442_clk_ip3_ctrl,
+		.ctrlbit	= (1<<23),
+	},
+};
+
+static struct clk *clks[] __initdata = {
+	&clk_ext,
+	&clk_epll,
+	&clk_mout_apll.clk,
+	&clk_mout_mpll.clk,
+	&clk_mout_epll.clk,
+	&clk_mout_d0.clk,
+	&clk_mout_d0sync.clk,
+	&clk_mout_d1.clk,
+	&clk_mout_d1sync.clk,
+	&clk_hclkd0,
+	&clk_pclkd0,
+	&clk_hclkd1,
+	&clk_pclkd1,
+};
+
+void __init s5p6442_register_clocks(void)
+{
+	s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
+
+	s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
+	s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
+
+	s3c_pwmclk_init();
+}
diff --git a/arch/arm/mach-s5p6442/cpu.c b/arch/arm/mach-s5p6442/cpu.c
new file mode 100644
index 000000000000..bc2524df89b3
--- /dev/null
+++ b/arch/arm/mach-s5p6442/cpu.c
@@ -0,0 +1,121 @@
+/* linux/arch/arm/mach-s5p6442/cpu.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/sysdev.h>
+#include <linux/serial_core.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/proc-fns.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+#include <asm/irq.h>
+
+#include <plat/regs-serial.h>
+#include <mach/regs-clock.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/clock.h>
+#include <plat/s5p6442.h>
+
+/* Initial IO mappings */
+
+static struct map_desc s5p6442_iodesc[] __initdata = {
+	{
+		.virtual	= (unsigned long)S5P_VA_SYSTIMER,
+		.pfn		= __phys_to_pfn(S5P6442_PA_SYSTIMER),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)VA_VIC2,
+		.pfn		= __phys_to_pfn(S5P6442_PA_VIC2),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}
+};
+
+static void s5p6442_idle(void)
+{
+	if (!need_resched())
+		cpu_do_idle();
+
+	local_irq_enable();
+}
+
+/* s5p6442_map_io
+ *
+ * register the standard cpu IO areas
+*/
+
+void __init s5p6442_map_io(void)
+{
+	iotable_init(s5p6442_iodesc, ARRAY_SIZE(s5p6442_iodesc));
+}
+
+void __init s5p6442_init_clocks(int xtal)
+{
+	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
+
+	s3c24xx_register_baseclocks(xtal);
+	s5p_register_clocks(xtal);
+	s5p6442_register_clocks();
+	s5p6442_setup_clocks();
+}
+
+void __init s5p6442_init_irq(void)
+{
+	/* S5P6442 supports 3 VIC */
+	u32 vic[3];
+
+	/* VIC0, VIC1, and VIC2: some interrupt reserved */
+	vic[0] = 0x7fefffff;
+	vic[1] = 0X7f389c81;
+	vic[2] = 0X1bbbcfff;
+
+	s5p_init_irq(vic, ARRAY_SIZE(vic));
+}
+
+static struct sysdev_class s5p6442_sysclass = {
+	.name	= "s5p6442-core",
+};
+
+static struct sys_device s5p6442_sysdev = {
+	.cls	= &s5p6442_sysclass,
+};
+
+static int __init s5p6442_core_init(void)
+{
+	return sysdev_class_register(&s5p6442_sysclass);
+}
+
+core_initcall(s5p6442_core_init);
+
+int __init s5p6442_init(void)
+{
+	printk(KERN_INFO "S5P6442: Initializing architecture\n");
+
+	/* set idle function */
+	pm_idle = s5p6442_idle;
+
+	return sysdev_register(&s5p6442_sysdev);
+}
diff --git a/arch/arm/mach-s5p6442/include/mach/debug-macro.S b/arch/arm/mach-s5p6442/include/mach/debug-macro.S
new file mode 100644
index 000000000000..bb6536147ffb
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/debug-macro.S
@@ -0,0 +1,36 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/debug-macro.S
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Based on arch/arm/mach-s3c6400/include/mach/debug-macro.S
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/* pull in the relevant register and map files. */
+
+#include <mach/map.h>
+#include <plat/regs-serial.h>
+
+	.macro addruart, rx, rtmp
+		mrc	p15, 0, \rx, c1, c0
+		tst	\rx, #1
+		ldreq	\rx, = S3C_PA_UART
+		ldrne	\rx, = S3C_VA_UART
+#if CONFIG_DEBUG_S3C_UART != 0
+		add	\rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART)
+#endif
+	.endm
+
+#define fifo_full fifo_full_s5pv210
+#define fifo_level fifo_level_s5pv210
+
+/* include the reset of the code which will do the work, we're only
+ * compiling for a single cpu processor type so the default of s3c2440
+ * will be fine with us.
+ */
+
+#include <plat/debug-macro.S>
diff --git a/arch/arm/mach-s5p6442/include/mach/entry-macro.S b/arch/arm/mach-s5p6442/include/mach/entry-macro.S
new file mode 100644
index 000000000000..6d574edbf1ae
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/entry-macro.S
@@ -0,0 +1,48 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/entry-macro.S
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Low-level IRQ helper macros for the Samsung S5P6442
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <asm/hardware/vic.h>
+#include <mach/map.h>
+#include <plat/irqs.h>
+
+	.macro	disable_fiq
+	.endm
+
+	.macro	get_irqnr_preamble, base, tmp
+	ldr	\base, =VA_VIC0
+	.endm
+
+	.macro	arch_ret_to_user, tmp1, tmp2
+	.endm
+
+	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+	@ check the vic0
+	mov	\irqnr, # S5P_IRQ_OFFSET + 31
+	ldr	\irqstat, [ \base, # VIC_IRQ_STATUS ]
+	teq	\irqstat, #0
+
+	@ otherwise try vic1
+	addeq	\tmp, \base, #(VA_VIC1 - VA_VIC0)
+	addeq	\irqnr, \irqnr, #32
+	ldreq	\irqstat, [ \tmp, # VIC_IRQ_STATUS ]
+	teqeq	\irqstat, #0
+
+	@ otherwise try vic2
+	addeq	\tmp, \base, #(VA_VIC2 - VA_VIC0)
+	addeq	\irqnr, \irqnr, #32
+	ldreq	\irqstat, [ \tmp, # VIC_IRQ_STATUS ]
+	teqeq	\irqstat, #0
+
+	clzne	\irqstat, \irqstat
+	subne	\irqnr, \irqnr, \irqstat
+	.endm
diff --git a/arch/arm/mach-s5p6442/include/mach/gpio.h b/arch/arm/mach-s5p6442/include/mach/gpio.h
new file mode 100644
index 000000000000..b8715df2fdab
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/gpio.h
@@ -0,0 +1,123 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/gpio.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6442 - GPIO lib support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_GPIO_H
+#define __ASM_ARCH_GPIO_H __FILE__
+
+#define gpio_get_value	__gpio_get_value
+#define gpio_set_value	__gpio_set_value
+#define gpio_cansleep	__gpio_cansleep
+#define gpio_to_irq	__gpio_to_irq
+
+/* GPIO bank sizes */
+#define S5P6442_GPIO_A0_NR	(8)
+#define S5P6442_GPIO_A1_NR	(2)
+#define S5P6442_GPIO_B_NR	(4)
+#define S5P6442_GPIO_C0_NR	(5)
+#define S5P6442_GPIO_C1_NR	(5)
+#define S5P6442_GPIO_D0_NR	(2)
+#define S5P6442_GPIO_D1_NR	(6)
+#define S5P6442_GPIO_E0_NR	(8)
+#define S5P6442_GPIO_E1_NR	(5)
+#define S5P6442_GPIO_F0_NR	(8)
+#define S5P6442_GPIO_F1_NR	(8)
+#define S5P6442_GPIO_F2_NR	(8)
+#define S5P6442_GPIO_F3_NR	(6)
+#define S5P6442_GPIO_G0_NR	(7)
+#define S5P6442_GPIO_G1_NR	(7)
+#define S5P6442_GPIO_G2_NR	(7)
+#define S5P6442_GPIO_H0_NR	(8)
+#define S5P6442_GPIO_H1_NR	(8)
+#define S5P6442_GPIO_H2_NR	(8)
+#define S5P6442_GPIO_H3_NR	(8)
+#define S5P6442_GPIO_J0_NR	(8)
+#define S5P6442_GPIO_J1_NR	(6)
+#define S5P6442_GPIO_J2_NR	(8)
+#define S5P6442_GPIO_J3_NR	(8)
+#define S5P6442_GPIO_J4_NR	(5)
+
+/* GPIO bank numbers */
+
+/* CONFIG_S3C_GPIO_SPACE allows the user to select extra
+ * space for debugging purposes so that any accidental
+ * change from one gpio bank to another can be caught.
+*/
+
+#define S5P6442_GPIO_NEXT(__gpio) \
+	((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1)
+
+enum s5p_gpio_number {
+	S5P6442_GPIO_A0_START	= 0,
+	S5P6442_GPIO_A1_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_A0),
+	S5P6442_GPIO_B_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_A1),
+	S5P6442_GPIO_C0_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_B),
+	S5P6442_GPIO_C1_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_C0),
+	S5P6442_GPIO_D0_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_C1),
+	S5P6442_GPIO_D1_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_D0),
+	S5P6442_GPIO_E0_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_D1),
+	S5P6442_GPIO_E1_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_E0),
+	S5P6442_GPIO_F0_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_E1),
+	S5P6442_GPIO_F1_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_F0),
+	S5P6442_GPIO_F2_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_F1),
+	S5P6442_GPIO_F3_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_F2),
+	S5P6442_GPIO_G0_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_F3),
+	S5P6442_GPIO_G1_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_G0),
+	S5P6442_GPIO_G2_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_G1),
+	S5P6442_GPIO_H0_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_G2),
+	S5P6442_GPIO_H1_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_H0),
+	S5P6442_GPIO_H2_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_H1),
+	S5P6442_GPIO_H3_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_H2),
+	S5P6442_GPIO_J0_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_H3),
+	S5P6442_GPIO_J1_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_J0),
+	S5P6442_GPIO_J2_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_J1),
+	S5P6442_GPIO_J3_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_J2),
+	S5P6442_GPIO_J4_START	= S5P6442_GPIO_NEXT(S5P6442_GPIO_J3),
+};
+
+/* S5P6442 GPIO number definitions. */
+#define S5P6442_GPA0(_nr)	(S5P6442_GPIO_A0_START + (_nr))
+#define S5P6442_GPA1(_nr)	(S5P6442_GPIO_A1_START + (_nr))
+#define S5P6442_GPB(_nr)	(S5P6442_GPIO_B_START + (_nr))
+#define S5P6442_GPC0(_nr)	(S5P6442_GPIO_C0_START + (_nr))
+#define S5P6442_GPC1(_nr)	(S5P6442_GPIO_C1_START + (_nr))
+#define S5P6442_GPD0(_nr)	(S5P6442_GPIO_D0_START + (_nr))
+#define S5P6442_GPD1(_nr)	(S5P6442_GPIO_D1_START + (_nr))
+#define S5P6442_GPE0(_nr)	(S5P6442_GPIO_E0_START + (_nr))
+#define S5P6442_GPE1(_nr)	(S5P6442_GPIO_E1_START + (_nr))
+#define S5P6442_GPF0(_nr)	(S5P6442_GPIO_F0_START + (_nr))
+#define S5P6442_GPF1(_nr)	(S5P6442_GPIO_F1_START + (_nr))
+#define S5P6442_GPF2(_nr)	(S5P6442_GPIO_F2_START + (_nr))
+#define S5P6442_GPF3(_nr)	(S5P6442_GPIO_F3_START + (_nr))
+#define S5P6442_GPG0(_nr)	(S5P6442_GPIO_G0_START + (_nr))
+#define S5P6442_GPG1(_nr)	(S5P6442_GPIO_G1_START + (_nr))
+#define S5P6442_GPG2(_nr)	(S5P6442_GPIO_G2_START + (_nr))
+#define S5P6442_GPH0(_nr)	(S5P6442_GPIO_H0_START + (_nr))
+#define S5P6442_GPH1(_nr)	(S5P6442_GPIO_H1_START + (_nr))
+#define S5P6442_GPH2(_nr)	(S5P6442_GPIO_H2_START + (_nr))
+#define S5P6442_GPH3(_nr)	(S5P6442_GPIO_H3_START + (_nr))
+#define S5P6442_GPJ0(_nr)	(S5P6442_GPIO_J0_START + (_nr))
+#define S5P6442_GPJ1(_nr)	(S5P6442_GPIO_J1_START + (_nr))
+#define S5P6442_GPJ2(_nr)	(S5P6442_GPIO_J2_START + (_nr))
+#define S5P6442_GPJ3(_nr)	(S5P6442_GPIO_J3_START + (_nr))
+#define S5P6442_GPJ4(_nr)	(S5P6442_GPIO_J4_START + (_nr))
+
+/* the end of the S5P6442 specific gpios */
+#define S5P6442_GPIO_END	(S5P6442_GPJ4(S5P6442_GPIO_J4_NR) + 1)
+#define S3C_GPIO_END		S5P6442_GPIO_END
+
+/* define the number of gpios we need to the one after the GPJ4() range */
+#define ARCH_NR_GPIOS		(S5P6442_GPJ4(S5P6442_GPIO_J4_NR) +	\
+				 CONFIG_SAMSUNG_GPIO_EXTRA + 1)
+
+#include <asm-generic/gpio.h>
+
+#endif /* __ASM_ARCH_GPIO_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/hardware.h b/arch/arm/mach-s5p6442/include/mach/hardware.h
new file mode 100644
index 000000000000..8cd7b67b49d4
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/hardware.h
@@ -0,0 +1,18 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/hardware.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6442 - Hardware support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H __FILE__
+
+/* currently nothing here, placeholder */
+
+#endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/io.h b/arch/arm/mach-s5p6442/include/mach/io.h
new file mode 100644
index 000000000000..5d2195ad0b67
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/io.h
@@ -0,0 +1,17 @@
+/* arch/arm/mach-s5p6442/include/mach/io.h
+ *
+ * Copyright 2008-2010 Ben Dooks <ben-linux@fluff.org>
+ *
+ * Default IO routines for S5P6442
+ */
+
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+/* No current ISA/PCI bus support. */
+#define __io(a)		__typesafe_io(a)
+#define __mem_pci(a)	(a)
+
+#define IO_SPACE_LIMIT (0xFFFFFFFF)
+
+#endif
diff --git a/arch/arm/mach-s5p6442/include/mach/irqs.h b/arch/arm/mach-s5p6442/include/mach/irqs.h
new file mode 100644
index 000000000000..da665809f6e4
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/irqs.h
@@ -0,0 +1,86 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/irqs.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6442 - IRQ definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_IRQS_H
+#define __ASM_ARCH_IRQS_H __FILE__
+
+#include <plat/irqs.h>
+
+/* VIC0 */
+#define IRQ_EINT16_31 		S5P_IRQ_VIC0(16)
+#define IRQ_BATF 		S5P_IRQ_VIC0(17)
+#define IRQ_MDMA 		S5P_IRQ_VIC0(18)
+#define IRQ_PDMA 		S5P_IRQ_VIC0(19)
+#define IRQ_TIMER0_VIC		S5P_IRQ_VIC0(21)
+#define IRQ_TIMER1_VIC		S5P_IRQ_VIC0(22)
+#define IRQ_TIMER2_VIC		S5P_IRQ_VIC0(23)
+#define IRQ_TIMER3_VIC		S5P_IRQ_VIC0(24)
+#define IRQ_TIMER4_VIC		S5P_IRQ_VIC0(25)
+#define IRQ_SYSTIMER		S5P_IRQ_VIC0(26)
+#define IRQ_WDT			S5P_IRQ_VIC0(27)
+#define IRQ_RTC_ALARM		S5P_IRQ_VIC0(28)
+#define IRQ_RTC_TIC		S5P_IRQ_VIC0(29)
+#define IRQ_GPIOINT		S5P_IRQ_VIC0(30)
+
+/* VIC1 */
+#define IRQ_nPMUIRQ 		S5P_IRQ_VIC1(0)
+#define IRQ_ONENAND 		S5P_IRQ_VIC1(7)
+#define IRQ_UART0 		S5P_IRQ_VIC1(10)
+#define IRQ_UART1 		S5P_IRQ_VIC1(11)
+#define IRQ_UART2 		S5P_IRQ_VIC1(12)
+#define IRQ_SPI0 		S5P_IRQ_VIC1(15)
+#define IRQ_IIC 		S5P_IRQ_VIC1(19)
+#define IRQ_IIC1 		S5P_IRQ_VIC1(20)
+#define IRQ_IIC2 		S5P_IRQ_VIC1(21)
+#define IRQ_OTG 		S5P_IRQ_VIC1(24)
+#define IRQ_MSM 		S5P_IRQ_VIC1(25)
+#define IRQ_HSMMC0 		S5P_IRQ_VIC1(26)
+#define IRQ_HSMMC1 		S5P_IRQ_VIC1(27)
+#define IRQ_HSMMC2 		S5P_IRQ_VIC1(28)
+#define IRQ_COMMRX 		S5P_IRQ_VIC1(29)
+#define IRQ_COMMTX 		S5P_IRQ_VIC1(30)
+
+/* VIC2 */
+#define IRQ_LCD0 		S5P_IRQ_VIC2(0)
+#define IRQ_LCD1 		S5P_IRQ_VIC2(1)
+#define IRQ_LCD2 		S5P_IRQ_VIC2(2)
+#define IRQ_LCD3 		S5P_IRQ_VIC2(3)
+#define IRQ_ROTATOR 		S5P_IRQ_VIC2(4)
+#define IRQ_FIMC0 		S5P_IRQ_VIC2(5)
+#define IRQ_FIMC1 		S5P_IRQ_VIC2(6)
+#define IRQ_FIMC2 		S5P_IRQ_VIC2(7)
+#define IRQ_JPEG 		S5P_IRQ_VIC2(8)
+#define IRQ_3D 			S5P_IRQ_VIC2(10)
+#define IRQ_Mixer 		S5P_IRQ_VIC2(11)
+#define IRQ_MFC 		S5P_IRQ_VIC2(14)
+#define IRQ_TVENC 		S5P_IRQ_VIC2(15)
+#define IRQ_I2S0 		S5P_IRQ_VIC2(16)
+#define IRQ_I2S1 		S5P_IRQ_VIC2(17)
+#define IRQ_RP 			S5P_IRQ_VIC2(19)
+#define IRQ_PCM0 		S5P_IRQ_VIC2(20)
+#define IRQ_PCM1 		S5P_IRQ_VIC2(21)
+#define IRQ_ADC 		S5P_IRQ_VIC2(23)
+#define IRQ_PENDN 		S5P_IRQ_VIC2(24)
+#define IRQ_KEYPAD 		S5P_IRQ_VIC2(25)
+#define IRQ_SSS_INT 		S5P_IRQ_VIC2(27)
+#define IRQ_SSS_HASH 		S5P_IRQ_VIC2(28)
+#define IRQ_VIC_END 		S5P_IRQ_VIC2(31)
+
+#define S5P_IRQ_EINT_BASE	(IRQ_VIC_END + 1)
+
+#define IRQ_EINT(x)             ((x) < 16 ? S5P_IRQ_VIC0(x) : \
+					(S5P_IRQ_EINT_BASE + (x)-16))
+/* Set the default NR_IRQS */
+
+#define NR_IRQS 		(IRQ_EINT(31) + 1)
+
+#endif /* __ASM_ARCH_IRQS_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/map.h b/arch/arm/mach-s5p6442/include/mach/map.h
new file mode 100644
index 000000000000..685277d792fb
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/map.h
@@ -0,0 +1,58 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/map.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6442 - Memory map definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_MAP_H
+#define __ASM_ARCH_MAP_H __FILE__
+
+#include <plat/map-base.h>
+#include <plat/map-s5p.h>
+
+#define S5P6442_PA_CHIPID	(0xE0000000)
+#define S5P_PA_CHIPID		S5P6442_PA_CHIPID
+
+#define S5P6442_PA_SYSCON	(0xE0100000)
+#define S5P_PA_SYSCON		S5P6442_PA_SYSCON
+
+#define S5P6442_PA_GPIO		(0xE0200000)
+#define S5P_PA_GPIO		S5P6442_PA_GPIO
+
+#define S5P6442_PA_VIC0		(0xE4000000)
+#define S5P_PA_VIC0		S5P6442_PA_VIC0
+
+#define S5P6442_PA_VIC1		(0xE4100000)
+#define S5P_PA_VIC1		S5P6442_PA_VIC1
+
+#define S5P6442_PA_VIC2		(0xE4200000)
+#define S5P_PA_VIC2		S5P6442_PA_VIC2
+
+#define S5P6442_PA_TIMER	(0xEA000000)
+#define S5P_PA_TIMER		S5P6442_PA_TIMER
+
+#define S5P6442_PA_SYSTIMER   	(0xEA100000)
+
+#define S5P6442_PA_UART		(0xEC000000)
+
+#define S5P_PA_UART0		(S5P6442_PA_UART + 0x0)
+#define S5P_PA_UART1		(S5P6442_PA_UART + 0x400)
+#define S5P_PA_UART2		(S5P6442_PA_UART + 0x800)
+#define S5P_SZ_UART		SZ_256
+
+#define S5P6442_PA_IIC0		(0xEC100000)
+
+#define S5P6442_PA_SDRAM	(0x20000000)
+#define S5P_PA_SDRAM		S5P6442_PA_SDRAM
+
+/* compatibiltiy defines. */
+#define S3C_PA_UART		S5P6442_PA_UART
+#define S3C_PA_IIC		S5P6442_PA_IIC0
+
+#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/memory.h b/arch/arm/mach-s5p6442/include/mach/memory.h
new file mode 100644
index 000000000000..9ddd877ba2ea
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/memory.h
@@ -0,0 +1,19 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/memory.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6442 - Memory definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+#define PHYS_OFFSET		UL(0x20000000)
+#define CONSISTENT_DMA_SIZE	SZ_8M
+
+#endif /* __ASM_ARCH_MEMORY_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/pwm-clock.h b/arch/arm/mach-s5p6442/include/mach/pwm-clock.h
new file mode 100644
index 000000000000..15e8525da0f1
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/pwm-clock.h
@@ -0,0 +1,69 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/pwm-clock.h
+ *
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * Copyright 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Based on arch/arm/plat-s3c24xx/include/mach/pwm-clock.h
+ *
+ * S5P6442 - pwm clock and timer support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_PWMCLK_H
+#define __ASM_ARCH_PWMCLK_H __FILE__
+
+/**
+ * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk
+ * @cfg: The timer TCFG1 register bits shifted down to 0.
+ *
+ * Return true if the given configuration from TCFG1 is a TCLK instead
+ * any of the TDIV clocks.
+ */
+static inline int pwm_cfg_src_is_tclk(unsigned long tcfg)
+{
+	return tcfg == S3C2410_TCFG1_MUX_TCLK;
+}
+
+/**
+ * tcfg_to_divisor() - convert tcfg1 setting to a divisor
+ * @tcfg1: The tcfg1 setting, shifted down.
+ *
+ * Get the divisor value for the given tcfg1 setting. We assume the
+ * caller has already checked to see if this is not a TCLK source.
+ */
+static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
+{
+	return 1 << (1 + tcfg1);
+}
+
+/**
+ * pwm_tdiv_has_div1() - does the tdiv setting have a /1
+ *
+ * Return true if we have a /1 in the tdiv setting.
+ */
+static inline unsigned int pwm_tdiv_has_div1(void)
+{
+	return 0;
+}
+
+/**
+ * pwm_tdiv_div_bits() - calculate TCFG1 divisor value.
+ * @div: The divisor to calculate the bit information for.
+ *
+ * Turn a divisor into the necessary bit field for TCFG1.
+ */
+static inline unsigned long pwm_tdiv_div_bits(unsigned int div)
+{
+	return ilog2(div) - 1;
+}
+
+#define S3C_TCFG1_MUX_TCLK S3C2410_TCFG1_MUX_TCLK
+
+#endif /* __ASM_ARCH_PWMCLK_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/regs-clock.h b/arch/arm/mach-s5p6442/include/mach/regs-clock.h
new file mode 100644
index 000000000000..d8360b5d4ece
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/regs-clock.h
@@ -0,0 +1,103 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/regs-clock.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6442 - Clock register definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_REGS_CLOCK_H
+#define __ASM_ARCH_REGS_CLOCK_H __FILE__
+
+#include <mach/map.h>
+
+#define S5P_CLKREG(x)		(S3C_VA_SYS + (x))
+
+#define S5P_APLL_LOCK		S5P_CLKREG(0x00)
+#define S5P_MPLL_LOCK		S5P_CLKREG(0x08)
+#define S5P_EPLL_LOCK		S5P_CLKREG(0x10)
+#define S5P_VPLL_LOCK		S5P_CLKREG(0x20)
+
+#define S5P_APLL_CON		S5P_CLKREG(0x100)
+#define S5P_MPLL_CON		S5P_CLKREG(0x108)
+#define S5P_EPLL_CON		S5P_CLKREG(0x110)
+#define S5P_VPLL_CON		S5P_CLKREG(0x120)
+
+#define S5P_CLK_SRC0		S5P_CLKREG(0x200)
+#define S5P_CLK_SRC1		S5P_CLKREG(0x204)
+#define S5P_CLK_SRC2		S5P_CLKREG(0x208)
+#define S5P_CLK_SRC3		S5P_CLKREG(0x20C)
+#define S5P_CLK_SRC4		S5P_CLKREG(0x210)
+#define S5P_CLK_SRC5		S5P_CLKREG(0x214)
+#define S5P_CLK_SRC6		S5P_CLKREG(0x218)
+
+#define S5P_CLK_SRC_MASK0	S5P_CLKREG(0x280)
+#define S5P_CLK_SRC_MASK1	S5P_CLKREG(0x284)
+
+#define S5P_CLK_DIV0		S5P_CLKREG(0x300)
+#define S5P_CLK_DIV1		S5P_CLKREG(0x304)
+#define S5P_CLK_DIV2		S5P_CLKREG(0x308)
+#define S5P_CLK_DIV3		S5P_CLKREG(0x30C)
+#define S5P_CLK_DIV4		S5P_CLKREG(0x310)
+#define S5P_CLK_DIV5		S5P_CLKREG(0x314)
+#define S5P_CLK_DIV6		S5P_CLKREG(0x318)
+
+#define S5P_CLKGATE_IP3		S5P_CLKREG(0x46C)
+
+/* CLK_OUT */
+#define S5P_CLK_OUT_SHIFT	(12)
+#define S5P_CLK_OUT_MASK	(0x1F << S5P_CLK_OUT_SHIFT)
+#define S5P_CLK_OUT		S5P_CLKREG(0x500)
+
+#define S5P_CLK_DIV_STAT0	S5P_CLKREG(0x1000)
+#define S5P_CLK_DIV_STAT1	S5P_CLKREG(0x1004)
+
+#define S5P_CLK_MUX_STAT0	S5P_CLKREG(0x1100)
+#define S5P_CLK_MUX_STAT1	S5P_CLKREG(0x1104)
+
+#define S5P_MDNIE_SEL		S5P_CLKREG(0x7008)
+
+/* Register Bit definition */
+#define S5P_EPLL_EN     		(1<<31)
+#define S5P_EPLL_MASK   		0xffffffff
+#define S5P_EPLLVAL(_m, _p, _s)   	((_m) << 16 | ((_p) << 8) | ((_s)))
+
+/* CLKDIV0 */
+#define S5P_CLKDIV0_APLL_SHIFT		(0)
+#define S5P_CLKDIV0_APLL_MASK		(0x7 << S5P_CLKDIV0_APLL_SHIFT)
+#define S5P_CLKDIV0_A2M_SHIFT		(4)
+#define S5P_CLKDIV0_A2M_MASK		(0x7 << S5P_CLKDIV0_A2M_SHIFT)
+#define S5P_CLKDIV0_D0CLK_SHIFT		(16)
+#define S5P_CLKDIV0_D0CLK_MASK		(0xF << S5P_CLKDIV0_D0CLK_SHIFT)
+#define S5P_CLKDIV0_P0CLK_SHIFT		(20)
+#define S5P_CLKDIV0_P0CLK_MASK		(0x7 << S5P_CLKDIV0_P0CLK_SHIFT)
+#define S5P_CLKDIV0_D1CLK_SHIFT		(24)
+#define S5P_CLKDIV0_D1CLK_MASK		(0xF << S5P_CLKDIV0_D1CLK_SHIFT)
+#define S5P_CLKDIV0_P1CLK_SHIFT		(28)
+#define S5P_CLKDIV0_P1CLK_MASK		(0x7 << S5P_CLKDIV0_P1CLK_SHIFT)
+
+/* Clock MUX status Registers */
+#define S5P_CLK_MUX_STAT0_APLL_SHIFT	(0)
+#define S5P_CLK_MUX_STAT0_APLL_MASK	(0x7 << S5P_CLK_MUX_STAT0_APLL_SHIFT)
+#define S5P_CLK_MUX_STAT0_MPLL_SHIFT	(4)
+#define S5P_CLK_MUX_STAT0_MPLL_MASK	(0x7 << S5P_CLK_MUX_STAT0_MPLL_SHIFT)
+#define S5P_CLK_MUX_STAT0_EPLL_SHIFT	(8)
+#define S5P_CLK_MUX_STAT0_EPLL_MASK	(0x7 << S5P_CLK_MUX_STAT0_EPLL_SHIFT)
+#define S5P_CLK_MUX_STAT0_VPLL_SHIFT	(12)
+#define S5P_CLK_MUX_STAT0_VPLL_MASK	(0x7 << S5P_CLK_MUX_STAT0_VPLL_SHIFT)
+#define S5P_CLK_MUX_STAT0_MUXARM_SHIFT	(16)
+#define S5P_CLK_MUX_STAT0_MUXARM_MASK	(0x7 << S5P_CLK_MUX_STAT0_MUXARM_SHIFT)
+#define S5P_CLK_MUX_STAT0_MUXD0_SHIFT	(20)
+#define S5P_CLK_MUX_STAT0_MUXD0_MASK	(0x7 << S5P_CLK_MUX_STAT0_MUXD0_SHIFT)
+#define S5P_CLK_MUX_STAT0_MUXD1_SHIFT	(24)
+#define S5P_CLK_MUX_STAT0_MUXD1_MASK	(0x7 << S5P_CLK_MUX_STAT0_MUXD1_SHIFT)
+#define S5P_CLK_MUX_STAT1_D1SYNC_SHIFT	(24)
+#define S5P_CLK_MUX_STAT1_D1SYNC_MASK	(0x7 << S5P_CLK_MUX_STAT1_D1SYNC_SHIFT)
+#define S5P_CLK_MUX_STAT1_D0SYNC_SHIFT	(28)
+#define S5P_CLK_MUX_STAT1_D0SYNC_MASK	(0x7 << S5P_CLK_MUX_STAT1_D0SYNC_SHIFT)
+
+#endif /* __ASM_ARCH_REGS_CLOCK_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/regs-irq.h b/arch/arm/mach-s5p6442/include/mach/regs-irq.h
new file mode 100644
index 000000000000..73782b52a83b
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/regs-irq.h
@@ -0,0 +1,19 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/regs-irq.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6442 - IRQ register definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_REGS_IRQ_H
+#define __ASM_ARCH_REGS_IRQ_H __FILE__
+
+#include <asm/hardware/vic.h>
+#include <mach/map.h>
+
+#endif /* __ASM_ARCH_REGS_IRQ_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/system.h b/arch/arm/mach-s5p6442/include/mach/system.h
new file mode 100644
index 000000000000..8bcd8ed0c3c3
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/system.h
@@ -0,0 +1,26 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/system.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6442 - system support header
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H __FILE__
+
+static void arch_idle(void)
+{
+	/* nothing here yet */
+}
+
+static void arch_reset(char mode, const char *cmd)
+{
+	/* nothing here yet */
+}
+
+#endif /* __ASM_ARCH_SYSTEM_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/tick.h b/arch/arm/mach-s5p6442/include/mach/tick.h
new file mode 100644
index 000000000000..e1d4cabf8297
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/tick.h
@@ -0,0 +1,26 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/tick.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Based on arch/arm/mach-s3c6400/include/mach/tick.h
+ *
+ * S5P6442 - Timer tick support definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_TICK_H
+#define __ASM_ARCH_TICK_H __FILE__
+
+static inline u32 s3c24xx_ostimer_pending(void)
+{
+	u32 pend = __raw_readl(VA_VIC0 + VIC_RAW_STATUS);
+	return pend & (1 << (IRQ_TIMER4_VIC - S5P_IRQ_VIC0(0)));
+}
+
+#define TICK_MAX	(0xffffffff)
+
+#endif /* __ASM_ARCH_TICK_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/timex.h b/arch/arm/mach-s5p6442/include/mach/timex.h
new file mode 100644
index 000000000000..ff8f2fcadeb7
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/timex.h
@@ -0,0 +1,24 @@
+/* arch/arm/mach-s5p6442/include/mach/timex.h
+ *
+ * Copyright (c) 2003-2010 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S5P6442 - time parameters
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_TIMEX_H
+#define __ASM_ARCH_TIMEX_H
+
+/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it
+ * a variable is useless. It seems as long as we make our timers an
+ * exact multiple of HZ, any value that makes a 1->1 correspondence
+ * for the time conversion functions to/from jiffies is acceptable.
+*/
+
+#define CLOCK_TICK_RATE 12000000
+
+#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/uncompress.h b/arch/arm/mach-s5p6442/include/mach/uncompress.h
new file mode 100644
index 000000000000..5ac7cbeeb987
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/uncompress.h
@@ -0,0 +1,24 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/uncompress.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P6442 - uncompress code
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_UNCOMPRESS_H
+#define __ASM_ARCH_UNCOMPRESS_H
+
+#include <mach/map.h>
+#include <plat/uncompress.h>
+
+static void arch_detect_cpu(void)
+{
+	/* we do not need to do any cpu detection here at the moment. */
+}
+
+#endif /* __ASM_ARCH_UNCOMPRESS_H */
diff --git a/arch/arm/mach-s5p6442/include/mach/vmalloc.h b/arch/arm/mach-s5p6442/include/mach/vmalloc.h
new file mode 100644
index 000000000000..be3333688c20
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/vmalloc.h
@@ -0,0 +1,17 @@
+/* arch/arm/mach-s5p6442/include/mach/vmalloc.h
+ *
+ * Copyright 2010 Ben Dooks <ben-linux@fluff.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * S5P6442 vmalloc definition
+*/
+
+#ifndef __ASM_ARCH_VMALLOC_H
+#define __ASM_ARCH_VMALLOC_H
+
+#define VMALLOC_END	  (0xE0000000)
+
+#endif /* __ASM_ARCH_VMALLOC_H */
diff --git a/arch/arm/mach-s5p6442/init.c b/arch/arm/mach-s5p6442/init.c
new file mode 100644
index 000000000000..1874bdb71e1d
--- /dev/null
+++ b/arch/arm/mach-s5p6442/init.c
@@ -0,0 +1,44 @@
+/* linux/arch/arm/mach-s5p6442/s5p6442-init.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/s5p6442.h>
+#include <plat/regs-serial.h>
+
+static struct s3c24xx_uart_clksrc s5p6442_serial_clocks[] = {
+	[0] = {
+		.name		= "pclk",
+		.divisor	= 1,
+		.min_baud	= 0,
+		.max_baud	= 0,
+	},
+};
+
+/* uart registration process */
+void __init s5p6442_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	struct s3c2410_uartcfg *tcfg = cfg;
+	u32 ucnt;
+
+	for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
+		if (!tcfg->clocks) {
+			tcfg->clocks = s5p6442_serial_clocks;
+			tcfg->clocks_size = ARRAY_SIZE(s5p6442_serial_clocks);
+		}
+	}
+
+	s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
+}
diff --git a/arch/arm/mach-s5p6442/mach-smdk6442.c b/arch/arm/mach-s5p6442/mach-smdk6442.c
new file mode 100644
index 000000000000..0d63371ce07c
--- /dev/null
+++ b/arch/arm/mach-s5p6442/mach-smdk6442.c
@@ -0,0 +1,91 @@
+/* linux/arch/arm/mach-s5p6442/mach-smdk6442.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+
+#include <mach/map.h>
+#include <mach/regs-clock.h>
+
+#include <plat/regs-serial.h>
+#include <plat/s5p6442.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define S5P6442_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
+				 S3C2410_UCON_RXILEVEL |	\
+				 S3C2410_UCON_TXIRQMODE |	\
+				 S3C2410_UCON_RXIRQMODE |	\
+				 S3C2410_UCON_RXFIFO_TOI |	\
+				 S3C2443_UCON_RXERR_IRQEN)
+
+#define S5P6442_ULCON_DEFAULT	S3C2410_LCON_CS8
+
+#define S5P6442_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
+				 S5PV210_UFCON_TXTRIG4 |	\
+				 S5PV210_UFCON_RXTRIG4)
+
+static struct s3c2410_uartcfg smdk6442_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport		= 0,
+		.flags		= 0,
+		.ucon		= S5P6442_UCON_DEFAULT,
+		.ulcon		= S5P6442_ULCON_DEFAULT,
+		.ufcon		= S5P6442_UFCON_DEFAULT,
+	},
+	[1] = {
+		.hwport		= 1,
+		.flags		= 0,
+		.ucon		= S5P6442_UCON_DEFAULT,
+		.ulcon		= S5P6442_ULCON_DEFAULT,
+		.ufcon		= S5P6442_UFCON_DEFAULT,
+	},
+	[2] = {
+		.hwport		= 2,
+		.flags		= 0,
+		.ucon		= S5P6442_UCON_DEFAULT,
+		.ulcon		= S5P6442_ULCON_DEFAULT,
+		.ufcon		= S5P6442_UFCON_DEFAULT,
+	},
+};
+
+static struct platform_device *smdk6442_devices[] __initdata = {
+};
+
+static void __init smdk6442_map_io(void)
+{
+	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s3c24xx_init_clocks(12000000);
+	s3c24xx_init_uarts(smdk6442_uartcfgs, ARRAY_SIZE(smdk6442_uartcfgs));
+}
+
+static void __init smdk6442_machine_init(void)
+{
+	platform_add_devices(smdk6442_devices, ARRAY_SIZE(smdk6442_devices));
+}
+
+MACHINE_START(SMDK6442, "SMDK6442")
+	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
+	.phys_io	= S3C_PA_UART & 0xfff00000,
+	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
+	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.init_irq	= s5p6442_init_irq,
+	.map_io		= smdk6442_map_io,
+	.init_machine	= smdk6442_machine_init,
+	.timer		= &s3c24xx_timer,
+MACHINE_END
diff --git a/arch/arm/mach-s5pc100/include/mach/gpio-core.h b/arch/arm/mach-s5pc100/include/mach/gpio-core.h
deleted file mode 100644
index ad28d8ec8a78..000000000000
--- a/arch/arm/mach-s5pc100/include/mach/gpio-core.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* arch/arm/mach-s5pc100/include/mach/gpio-core.h
- *
- * Copyright 2009 Samsung Electronics Co.
- *      Byungho Min <bhmin@samsung.com>
- *
- * S5PC100 - GPIO core support
- *
- * Based on mach-s3c6400/include/mach/gpio-core.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARCH_GPIO_CORE_H
-#define __ASM_ARCH_GPIO_CORE_H __FILE__
-
-/* currently we just include the platform support */
-#include <plat/gpio-core.h>
-
-#endif /* __ASM_ARCH_GPIO_CORE_H */
diff --git a/arch/arm/mach-s5pc100/include/mach/io.h b/arch/arm/mach-s5pc100/include/mach/io.h
new file mode 100644
index 000000000000..819acf5eaf89
--- /dev/null
+++ b/arch/arm/mach-s5pc100/include/mach/io.h
@@ -0,0 +1,18 @@
+/* arch/arm/mach-s5pc100/include/mach/io.h
+ *
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben-linux@fluff.org>
+ *
+ * Default IO routines for S5PC100 systems
+ */
+
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H
+
+/* No current ISA/PCI bus support. */
+#define __io(a)		__typesafe_io(a)
+#define __mem_pci(a)	(a)
+
+#define IO_SPACE_LIMIT (0xFFFFFFFF)
+
+#endif
diff --git a/arch/arm/mach-s5pc100/include/mach/tick.h b/arch/arm/mach-s5pc100/include/mach/tick.h
index d3de0f3591ae..f338c9eec717 100644
--- a/arch/arm/mach-s5pc100/include/mach/tick.h
+++ b/arch/arm/mach-s5pc100/include/mach/tick.h
@@ -21,7 +21,7 @@
 static inline u32 s3c24xx_ostimer_pending(void)
 {
 	u32 pend = __raw_readl(S3C_VA_VIC0 + VIC_RAW_STATUS);
-	return pend & 1 << (IRQ_TIMER4 - S5PC1XX_IRQ_VIC0(0));
+	return pend & 1 << (IRQ_TIMER4_VIC - S5PC1XX_IRQ_VIC0(0));
 }
 
 #define TICK_MAX	(0xffffffff)
diff --git a/arch/arm/mach-s5pc100/include/mach/timex.h b/arch/arm/mach-s5pc100/include/mach/timex.h
new file mode 100644
index 000000000000..47ffb17aff96
--- /dev/null
+++ b/arch/arm/mach-s5pc100/include/mach/timex.h
@@ -0,0 +1,24 @@
+/* arch/arm/mach-s5pc100/include/mach/timex.h
+ *
+ * Copyright (c) 2003-2005 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C6400 - time parameters
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_TIMEX_H
+#define __ASM_ARCH_TIMEX_H
+
+/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it
+ * a variable is useless. It seems as long as we make our timers an
+ * exact multiple of HZ, any value that makes a 1->1 correspondence
+ * for the time conversion functions to/from jiffies is acceptable.
+*/
+
+#define CLOCK_TICK_RATE 12000000
+
+#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/mach-s5pc100/include/mach/vmalloc.h b/arch/arm/mach-s5pc100/include/mach/vmalloc.h
new file mode 100644
index 000000000000..be9df79903ed
--- /dev/null
+++ b/arch/arm/mach-s5pc100/include/mach/vmalloc.h
@@ -0,0 +1,17 @@
+/* arch/arm/mach-s5pc100/include/mach/vmalloc.h
+ *
+ * Copyright 2010 Ben Dooks <ben-linux@fluff.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * S3C6400 vmalloc definition
+*/
+
+#ifndef __ASM_ARCH_VMALLOC_H
+#define __ASM_ARCH_VMALLOC_H
+
+#define VMALLOC_END	  (0xe0000000UL)
+
+#endif /* __ASM_ARCH_VMALLOC_H */
diff --git a/arch/arm/mach-s5pc100/setup-sdhci.c b/arch/arm/mach-s5pc100/setup-sdhci.c
index 4385986a3da0..ea7ff19adb95 100644
--- a/arch/arm/mach-s5pc100/setup-sdhci.c
+++ b/arch/arm/mach-s5pc100/setup-sdhci.c
@@ -28,8 +28,8 @@
 char *s5pc100_hsmmc_clksrcs[4] = {
 	[0] = "hsmmc",
 	[1] = "hsmmc",
-	/* [2] = "mmc_bus", not yet succesfuuly used yet */
-	/* [3] = "48m", - note not succesfully used yet */
+	/* [2] = "mmc_bus", not yet successfully used yet */
+	/* [3] = "48m", - note not successfully used yet */
 };
 
 
diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
new file mode 100644
index 000000000000..af33a1a89b72
--- /dev/null
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -0,0 +1,40 @@
+# arch/arm/mach-s5pv210/Kconfig
+#
+# Copyright (c) 2010 Samsung Electronics Co., Ltd.
+#		http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+# Configuration options for the S5PV210/S5PC110
+
+if ARCH_S5PV210
+
+config CPU_S5PV210
+	bool
+	select PLAT_S5P
+	help
+	  Enable S5PV210 CPU support
+
+choice
+	prompt "Select machine type"
+	depends on ARCH_S5PV210
+	default MACH_SMDKV210
+
+config MACH_SMDKV210
+	bool "SMDKV210"
+	select CPU_S5PV210
+	select ARCH_SPARSEMEM_ENABLE
+	help
+	  Machine support for Samsung SMDKV210
+
+config MACH_SMDKC110
+	bool "SMDKC110"
+	select CPU_S5PV210
+	select ARCH_SPARSEMEM_ENABLE
+	help
+	  Machine support for Samsung SMDKC110
+	  S5PC110(MCP) is one of package option of S5PV210
+
+endchoice
+
+endif
diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
new file mode 100644
index 000000000000..8ebf51c52a01
--- /dev/null
+++ b/arch/arm/mach-s5pv210/Makefile
@@ -0,0 +1,20 @@
+# arch/arm/mach-s5pv210/Makefile
+#
+# Copyright (c) 2010 Samsung Electronics Co., Ltd.
+# 		http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+obj-y				:=
+obj-m				:=
+obj-n				:=
+obj-				:=
+
+# Core support for S5PV210 system
+
+obj-$(CONFIG_CPU_S5PV210)	+= cpu.o init.o clock.o
+
+# machine support
+
+obj-$(CONFIG_MACH_SMDKV210)	+= mach-smdkv210.o
+obj-$(CONFIG_MACH_SMDKC110)	+= mach-smdkc110.o
diff --git a/arch/arm/mach-s5pv210/Makefile.boot b/arch/arm/mach-s5pv210/Makefile.boot
new file mode 100644
index 000000000000..ff90aa13bd67
--- /dev/null
+++ b/arch/arm/mach-s5pv210/Makefile.boot
@@ -0,0 +1,2 @@
+   zreladdr-y	:= 0x20008000
+params_phys-y	:= 0x20000100
diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
new file mode 100644
index 000000000000..ccccae262351
--- /dev/null
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -0,0 +1,454 @@
+/* linux/arch/arm/mach-s5pv210/clock.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5PV210 - Clock support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/sysdev.h>
+#include <linux/io.h>
+
+#include <mach/map.h>
+
+#include <plat/cpu-freq.h>
+#include <mach/regs-clock.h>
+#include <plat/clock.h>
+#include <plat/cpu.h>
+#include <plat/pll.h>
+#include <plat/s5p-clock.h>
+#include <plat/clock-clksrc.h>
+#include <plat/s5pv210.h>
+
+static int s5pv210_clk_ip0_ctrl(struct clk *clk, int enable)
+{
+	return s5p_gatectrl(S5P_CLKGATE_IP0, clk, enable);
+}
+
+static int s5pv210_clk_ip1_ctrl(struct clk *clk, int enable)
+{
+	return s5p_gatectrl(S5P_CLKGATE_IP1, clk, enable);
+}
+
+static int s5pv210_clk_ip2_ctrl(struct clk *clk, int enable)
+{
+	return s5p_gatectrl(S5P_CLKGATE_IP2, clk, enable);
+}
+
+static int s5pv210_clk_ip3_ctrl(struct clk *clk, int enable)
+{
+	return s5p_gatectrl(S5P_CLKGATE_IP3, clk, enable);
+}
+
+static struct clk clk_h200 = {
+	.name		= "hclk200",
+	.id		= -1,
+};
+
+static struct clk clk_h100 = {
+	.name		= "hclk100",
+	.id		= -1,
+};
+
+static struct clk clk_h166 = {
+	.name		= "hclk166",
+	.id		= -1,
+};
+
+static struct clk clk_h133 = {
+	.name		= "hclk133",
+	.id		= -1,
+};
+
+static struct clk clk_p100 = {
+	.name		= "pclk100",
+	.id		= -1,
+};
+
+static struct clk clk_p83 = {
+	.name		= "pclk83",
+	.id		= -1,
+};
+
+static struct clk clk_p66 = {
+	.name		= "pclk66",
+	.id		= -1,
+};
+
+static struct clk *sys_clks[] = {
+	&clk_h200,
+	&clk_h100,
+	&clk_h166,
+	&clk_h133,
+	&clk_p100,
+	&clk_p83,
+	&clk_p66
+};
+
+static struct clk init_clocks_disable[] = {
+	{
+		.name		= "rot",
+		.id		= -1,
+		.parent		= &clk_h166,
+		.enable		= s5pv210_clk_ip0_ctrl,
+		.ctrlbit	= (1<<29),
+	}, {
+		.name		= "otg",
+		.id		= -1,
+		.parent		= &clk_h133,
+		.enable		= s5pv210_clk_ip1_ctrl,
+		.ctrlbit	= (1<<16),
+	}, {
+		.name		= "usb-host",
+		.id		= -1,
+		.parent		= &clk_h133,
+		.enable		= s5pv210_clk_ip1_ctrl,
+		.ctrlbit	= (1<<17),
+	}, {
+		.name		= "lcd",
+		.id		= -1,
+		.parent		= &clk_h166,
+		.enable		= s5pv210_clk_ip1_ctrl,
+		.ctrlbit	= (1<<0),
+	}, {
+		.name		= "cfcon",
+		.id		= 0,
+		.parent		= &clk_h133,
+		.enable		= s5pv210_clk_ip1_ctrl,
+		.ctrlbit	= (1<<25),
+	}, {
+		.name		= "hsmmc",
+		.id		= 0,
+		.parent		= &clk_h133,
+		.enable		= s5pv210_clk_ip2_ctrl,
+		.ctrlbit	= (1<<16),
+	}, {
+		.name		= "hsmmc",
+		.id		= 1,
+		.parent		= &clk_h133,
+		.enable		= s5pv210_clk_ip2_ctrl,
+		.ctrlbit	= (1<<17),
+	}, {
+		.name		= "hsmmc",
+		.id		= 2,
+		.parent		= &clk_h133,
+		.enable		= s5pv210_clk_ip2_ctrl,
+		.ctrlbit	= (1<<18),
+	}, {
+		.name		= "hsmmc",
+		.id		= 3,
+		.parent		= &clk_h133,
+		.enable		= s5pv210_clk_ip2_ctrl,
+		.ctrlbit	= (1<<19),
+	}, {
+		.name		= "systimer",
+		.id		= -1,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<16),
+	}, {
+		.name		= "watchdog",
+		.id		= -1,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<22),
+	}, {
+		.name		= "rtc",
+		.id		= -1,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<15),
+	}, {
+		.name		= "i2c",
+		.id		= 0,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<7),
+	}, {
+		.name		= "i2c",
+		.id		= 1,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<8),
+	}, {
+		.name		= "i2c",
+		.id		= 2,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<9),
+	}, {
+		.name		= "spi",
+		.id		= 0,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<12),
+	}, {
+		.name		= "spi",
+		.id		= 1,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<13),
+	}, {
+		.name		= "spi",
+		.id		= 2,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<14),
+	}, {
+		.name		= "timers",
+		.id		= -1,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<23),
+	}, {
+		.name		= "adc",
+		.id		= -1,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<24),
+	}, {
+		.name		= "keypad",
+		.id		= -1,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<21),
+	}, {
+		.name		= "i2s_v50",
+		.id		= 0,
+		.parent		= &clk_p,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<4),
+	}, {
+		.name		= "i2s_v32",
+		.id		= 0,
+		.parent		= &clk_p,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<4),
+	}, {
+		.name		= "i2s_v32",
+		.id		= 1,
+		.parent		= &clk_p,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<4),
+	}
+};
+
+static struct clk init_clocks[] = {
+	{
+		.name		= "uart",
+		.id		= 0,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<7),
+	}, {
+		.name		= "uart",
+		.id		= 1,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<8),
+	}, {
+		.name		= "uart",
+		.id		= 2,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<9),
+	}, {
+		.name		= "uart",
+		.id		= 3,
+		.parent		= &clk_p66,
+		.enable		= s5pv210_clk_ip3_ctrl,
+		.ctrlbit	= (1<<10),
+	},
+};
+
+static struct clksrc_clk clk_mout_apll = {
+	.clk	= {
+		.name		= "mout_apll",
+		.id		= -1,
+	},
+	.sources	= &clk_src_apll,
+	.reg_src	= { .reg = S5P_CLK_SRC0, .shift = 0, .size = 1 },
+};
+
+static struct clksrc_clk clk_mout_epll = {
+	.clk	= {
+		.name		= "mout_epll",
+		.id		= -1,
+	},
+	.sources	= &clk_src_epll,
+	.reg_src	= { .reg = S5P_CLK_SRC0, .shift = 8, .size = 1 },
+};
+
+static struct clksrc_clk clk_mout_mpll = {
+	.clk = {
+		.name		= "mout_mpll",
+		.id		= -1,
+	},
+	.sources	= &clk_src_mpll,
+	.reg_src	= { .reg = S5P_CLK_SRC0, .shift = 4, .size = 1 },
+};
+
+static struct clk *clkset_uart_list[] = {
+	[6] = &clk_mout_mpll.clk,
+	[7] = &clk_mout_epll.clk,
+};
+
+static struct clksrc_sources clkset_uart = {
+	.sources	= clkset_uart_list,
+	.nr_sources	= ARRAY_SIZE(clkset_uart_list),
+};
+
+static struct clksrc_clk clksrcs[] = {
+	{
+		.clk	= {
+			.name		= "uclk1",
+			.id		= -1,
+			.ctrlbit	= (1<<17),
+			.enable		= s5pv210_clk_ip3_ctrl,
+		},
+		.sources = &clkset_uart,
+		.reg_src = { .reg = S5P_CLK_SRC4, .shift = 16, .size = 4 },
+		.reg_div = { .reg = S5P_CLK_DIV4, .shift = 16, .size = 4 },
+	}
+};
+
+/* Clock initialisation code */
+static struct clksrc_clk *init_parents[] = {
+	&clk_mout_apll,
+	&clk_mout_epll,
+	&clk_mout_mpll,
+};
+
+#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
+
+void __init_or_cpufreq s5pv210_setup_clocks(void)
+{
+	struct clk *xtal_clk;
+	unsigned long xtal;
+	unsigned long armclk;
+	unsigned long hclk200;
+	unsigned long hclk166;
+	unsigned long hclk133;
+	unsigned long pclk100;
+	unsigned long pclk83;
+	unsigned long pclk66;
+	unsigned long apll;
+	unsigned long mpll;
+	unsigned long epll;
+	unsigned int ptr;
+	u32 clkdiv0, clkdiv1;
+
+	printk(KERN_DEBUG "%s: registering clocks\n", __func__);
+
+	clkdiv0 = __raw_readl(S5P_CLK_DIV0);
+	clkdiv1 = __raw_readl(S5P_CLK_DIV1);
+
+	printk(KERN_DEBUG "%s: clkdiv0 = %08x, clkdiv1 = %08x\n",
+				__func__, clkdiv0, clkdiv1);
+
+	xtal_clk = clk_get(NULL, "xtal");
+	BUG_ON(IS_ERR(xtal_clk));
+
+	xtal = clk_get_rate(xtal_clk);
+	clk_put(xtal_clk);
+
+	printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
+
+	apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
+	mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON), pll_4502);
+	epll = s5p_get_pll45xx(xtal, __raw_readl(S5P_EPLL_CON), pll_4500);
+
+	printk(KERN_INFO "S5PV210: PLL settings, A=%ld, M=%ld, E=%ld",
+			apll, mpll, epll);
+
+	armclk = apll / GET_DIV(clkdiv0, S5P_CLKDIV0_APLL);
+	if (__raw_readl(S5P_CLK_SRC0) & S5P_CLKSRC0_MUX200_MASK)
+		hclk200 = mpll / GET_DIV(clkdiv0, S5P_CLKDIV0_HCLK200);
+	else
+		hclk200 = armclk / GET_DIV(clkdiv0, S5P_CLKDIV0_HCLK200);
+
+	if (__raw_readl(S5P_CLK_SRC0) & S5P_CLKSRC0_MUX166_MASK) {
+		hclk166 = apll / GET_DIV(clkdiv0, S5P_CLKDIV0_A2M);
+		hclk166 = hclk166 / GET_DIV(clkdiv0, S5P_CLKDIV0_HCLK166);
+	} else
+		hclk166 = mpll / GET_DIV(clkdiv0, S5P_CLKDIV0_HCLK166);
+
+	if (__raw_readl(S5P_CLK_SRC0) & S5P_CLKSRC0_MUX133_MASK) {
+		hclk133 = apll / GET_DIV(clkdiv0, S5P_CLKDIV0_A2M);
+		hclk133 = hclk133 / GET_DIV(clkdiv0, S5P_CLKDIV0_HCLK133);
+	} else
+		hclk133 = mpll / GET_DIV(clkdiv0, S5P_CLKDIV0_HCLK133);
+
+	pclk100 = hclk200 / GET_DIV(clkdiv0, S5P_CLKDIV0_PCLK100);
+	pclk83 = hclk166 / GET_DIV(clkdiv0, S5P_CLKDIV0_PCLK83);
+	pclk66 = hclk133 / GET_DIV(clkdiv0, S5P_CLKDIV0_PCLK66);
+
+	printk(KERN_INFO "S5PV210: ARMCLK=%ld, HCLKM=%ld, HCLKD=%ld, \
+			HCLKP=%ld, PCLKM=%ld, PCLKD=%ld, PCLKP=%ld\n",
+	       armclk, hclk200, hclk166, hclk133, pclk100, pclk83, pclk66);
+
+	clk_fout_apll.rate = apll;
+	clk_fout_mpll.rate = mpll;
+	clk_fout_epll.rate = epll;
+
+	clk_f.rate = armclk;
+	clk_h.rate = hclk133;
+	clk_p.rate = pclk66;
+	clk_p66.rate = pclk66;
+	clk_p83.rate = pclk83;
+	clk_h133.rate = hclk133;
+	clk_h166.rate = hclk166;
+	clk_h200.rate = hclk200;
+
+	for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++)
+		s3c_set_clksrc(init_parents[ptr], true);
+
+	for (ptr = 0; ptr < ARRAY_SIZE(clksrcs); ptr++)
+		s3c_set_clksrc(&clksrcs[ptr], true);
+}
+
+static struct clk *clks[] __initdata = {
+	&clk_mout_epll.clk,
+	&clk_mout_mpll.clk,
+};
+
+void __init s5pv210_register_clocks(void)
+{
+	struct clk *clkp;
+	int ret;
+	int ptr;
+
+	ret = s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
+	if (ret > 0)
+		printk(KERN_ERR "Failed to register %u clocks\n", ret);
+
+	s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
+	s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
+
+	ret = s3c24xx_register_clocks(sys_clks, ARRAY_SIZE(sys_clks));
+	if (ret > 0)
+		printk(KERN_ERR "Failed to register system clocks\n");
+
+	clkp = init_clocks_disable;
+	for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
+		ret = s3c24xx_register_clock(clkp);
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       clkp->name, ret);
+		}
+		(clkp->enable)(clkp, 0);
+	}
+
+	s3c_pwmclk_init();
+}
diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c
new file mode 100644
index 000000000000..0e0f8fde2aa6
--- /dev/null
+++ b/arch/arm/mach-s5pv210/cpu.c
@@ -0,0 +1,126 @@
+/* linux/arch/arm/mach-s5pv210/cpu.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/sysdev.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <asm/proc-fns.h>
+#include <mach/map.h>
+#include <mach/regs-clock.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/clock.h>
+#include <plat/s5pv210.h>
+
+/* Initial IO mappings */
+
+static struct map_desc s5pv210_iodesc[] __initdata = {
+	{
+		.virtual	= (unsigned long)S5P_VA_SYSTIMER,
+		.pfn		= __phys_to_pfn(S5PV210_PA_SYSTIMER),
+		.length		= SZ_1M,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)VA_VIC2,
+		.pfn		= __phys_to_pfn(S5PV210_PA_VIC2),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)VA_VIC3,
+		.pfn		= __phys_to_pfn(S5PV210_PA_VIC3),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_SROMC,
+		.pfn		= __phys_to_pfn(S5PV210_PA_SROMC),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}
+};
+
+static void s5pv210_idle(void)
+{
+	if (!need_resched())
+		cpu_do_idle();
+
+	local_irq_enable();
+}
+
+/* s5pv210_map_io
+ *
+ * register the standard cpu IO areas
+*/
+
+void __init s5pv210_map_io(void)
+{
+	iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
+}
+
+void __init s5pv210_init_clocks(int xtal)
+{
+	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
+
+	s3c24xx_register_baseclocks(xtal);
+	s5p_register_clocks(xtal);
+	s5pv210_register_clocks();
+	s5pv210_setup_clocks();
+}
+
+void __init s5pv210_init_irq(void)
+{
+	u32 vic[4];	/* S5PV210 supports 4 VIC */
+
+	/* All the VICs are fully populated. */
+	vic[0] = ~0;
+	vic[1] = ~0;
+	vic[2] = ~0;
+	vic[3] = ~0;
+
+	s5p_init_irq(vic, ARRAY_SIZE(vic));
+}
+
+static struct sysdev_class s5pv210_sysclass = {
+	.name	= "s5pv210-core",
+};
+
+static struct sys_device s5pv210_sysdev = {
+	.cls	= &s5pv210_sysclass,
+};
+
+static int __init s5pv210_core_init(void)
+{
+	return sysdev_class_register(&s5pv210_sysclass);
+}
+
+core_initcall(s5pv210_core_init);
+
+int __init s5pv210_init(void)
+{
+	printk(KERN_INFO "S5PV210: Initializing architecture\n");
+
+	/* set idle function */
+	pm_idle = s5pv210_idle;
+
+	return sysdev_register(&s5pv210_sysdev);
+}
diff --git a/arch/arm/mach-s5pv210/include/mach/debug-macro.S b/arch/arm/mach-s5pv210/include/mach/debug-macro.S
new file mode 100644
index 000000000000..7872f5c3dfc2
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/debug-macro.S
@@ -0,0 +1,42 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/debug-macro.S
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Based on arch/arm/mach-s3c6400/include/mach/debug-macro.S
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/* pull in the relevant register and map files. */
+
+#include <mach/map.h>
+#include <plat/regs-serial.h>
+
+	/* note, for the boot process to work we have to keep the UART
+	 * virtual address aligned to an 1MiB boundary for the L1
+	 * mapping the head code makes. We keep the UART virtual address
+	 * aligned and add in the offset when we load the value here.
+	 */
+
+	.macro addruart, rx, tmp
+		mrc	p15, 0, \rx, c1, c0
+		tst	\rx, #1
+		ldreq	\rx, = S3C_PA_UART
+		ldrne	\rx, = S3C_VA_UART
+#if CONFIG_DEBUG_S3C_UART != 0
+		add	\rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART)
+#endif
+	.endm
+
+#define fifo_full fifo_full_s5pv210
+#define fifo_level fifo_level_s5pv210
+
+/* include the reset of the code which will do the work, we're only
+ * compiling for a single cpu processor type so the default of s3c2440
+ * will be fine with us.
+ */
+
+#include <plat/debug-macro.S>
diff --git a/arch/arm/mach-s5pv210/include/mach/entry-macro.S b/arch/arm/mach-s5pv210/include/mach/entry-macro.S
new file mode 100644
index 000000000000..3aa41ac59f07
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/entry-macro.S
@@ -0,0 +1,54 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/entry-macro.S
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Low-level IRQ helper macros for the Samsung S5PV210
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <asm/hardware/vic.h>
+#include <mach/map.h>
+#include <plat/irqs.h>
+
+	.macro	disable_fiq
+	.endm
+
+	.macro	get_irqnr_preamble, base, tmp
+	ldr	\base, =VA_VIC0
+	.endm
+
+	.macro	arch_ret_to_user, tmp1, tmp2
+	.endm
+
+	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+	@ check the vic0
+	mov	\irqnr, # S5P_IRQ_OFFSET + 31
+	ldr	\irqstat, [ \base, # VIC_IRQ_STATUS ]
+	teq	\irqstat, #0
+
+	@ otherwise try vic1
+	addeq	\tmp, \base, #(VA_VIC1 - VA_VIC0)
+	addeq	\irqnr, \irqnr, #32
+	ldreq	\irqstat, [ \tmp, # VIC_IRQ_STATUS ]
+	teqeq	\irqstat, #0
+
+	@ otherwise try vic2
+	addeq	\tmp, \base, #(VA_VIC2 - VA_VIC0)
+	addeq	\irqnr, \irqnr, #32
+	ldreq	\irqstat, [ \tmp, # VIC_IRQ_STATUS ]
+	teqeq	\irqstat, #0
+
+	@ otherwise try vic3
+	addeq	\tmp, \base, #(VA_VIC3 - VA_VIC0)
+	addeq	\irqnr, \irqnr, #32
+	ldreq	\irqstat, [ \tmp, # VIC_IRQ_STATUS ]
+	teqeq	\irqstat, #0
+
+	clzne	\irqstat, \irqstat
+	subne	\irqnr, \irqnr, \irqstat
+	.endm
diff --git a/arch/arm/mach-s5pv210/include/mach/gpio.h b/arch/arm/mach-s5pv210/include/mach/gpio.h
new file mode 100644
index 000000000000..533b020e21e9
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/gpio.h
@@ -0,0 +1,129 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/gpio.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5PV210 - GPIO lib support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_GPIO_H
+#define __ASM_ARCH_GPIO_H __FILE__
+
+#define gpio_get_value	__gpio_get_value
+#define gpio_set_value	__gpio_set_value
+#define gpio_cansleep	__gpio_cansleep
+#define gpio_to_irq	__gpio_to_irq
+
+/* GPIO bank sizes */
+#define S5PV210_GPIO_A0_NR	(8)
+#define S5PV210_GPIO_A1_NR	(4)
+#define S5PV210_GPIO_B_NR	(8)
+#define S5PV210_GPIO_C0_NR	(5)
+#define S5PV210_GPIO_C1_NR	(5)
+#define S5PV210_GPIO_D0_NR	(4)
+#define S5PV210_GPIO_D1_NR	(6)
+#define S5PV210_GPIO_E0_NR	(8)
+#define S5PV210_GPIO_E1_NR	(5)
+#define S5PV210_GPIO_F0_NR	(8)
+#define S5PV210_GPIO_F1_NR	(8)
+#define S5PV210_GPIO_F2_NR	(8)
+#define S5PV210_GPIO_F3_NR	(6)
+#define S5PV210_GPIO_G0_NR	(7)
+#define S5PV210_GPIO_G1_NR	(7)
+#define S5PV210_GPIO_G2_NR	(7)
+#define S5PV210_GPIO_G3_NR	(7)
+#define S5PV210_GPIO_H0_NR	(8)
+#define S5PV210_GPIO_H1_NR	(8)
+#define S5PV210_GPIO_H2_NR	(8)
+#define S5PV210_GPIO_H3_NR	(8)
+#define S5PV210_GPIO_I_NR	(7)
+#define S5PV210_GPIO_J0_NR	(8)
+#define S5PV210_GPIO_J1_NR	(6)
+#define S5PV210_GPIO_J2_NR	(8)
+#define S5PV210_GPIO_J3_NR	(8)
+#define S5PV210_GPIO_J4_NR	(5)
+
+/* GPIO bank numbers */
+
+/* CONFIG_S3C_GPIO_SPACE allows the user to select extra
+ * space for debugging purposes so that any accidental
+ * change from one gpio bank to another can be caught.
+*/
+
+#define S5PV210_GPIO_NEXT(__gpio) \
+	((__gpio##_START) + (__gpio##_NR) + CONFIG_S3C_GPIO_SPACE + 1)
+
+enum s5p_gpio_number {
+	S5PV210_GPIO_A0_START	= 0,
+	S5PV210_GPIO_A1_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_A0),
+	S5PV210_GPIO_B_START 	= S5PV210_GPIO_NEXT(S5PV210_GPIO_A1),
+	S5PV210_GPIO_C0_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_B),
+	S5PV210_GPIO_C1_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_C0),
+	S5PV210_GPIO_D0_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_C1),
+	S5PV210_GPIO_D1_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_D0),
+	S5PV210_GPIO_E0_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_D1),
+	S5PV210_GPIO_E1_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_E0),
+	S5PV210_GPIO_F0_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_E1),
+	S5PV210_GPIO_F1_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_F0),
+	S5PV210_GPIO_F2_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_F1),
+	S5PV210_GPIO_F3_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_F2),
+	S5PV210_GPIO_G0_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_F3),
+	S5PV210_GPIO_G1_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_G0),
+	S5PV210_GPIO_G2_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_G1),
+	S5PV210_GPIO_G3_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_G2),
+	S5PV210_GPIO_H0_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_G3),
+	S5PV210_GPIO_H1_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_H0),
+	S5PV210_GPIO_H2_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_H1),
+	S5PV210_GPIO_H3_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_H2),
+	S5PV210_GPIO_I_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_H3),
+	S5PV210_GPIO_J0_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_I),
+	S5PV210_GPIO_J1_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_J0),
+	S5PV210_GPIO_J2_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_J1),
+	S5PV210_GPIO_J3_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_J2),
+	S5PV210_GPIO_J4_START	= S5PV210_GPIO_NEXT(S5PV210_GPIO_J3),
+};
+
+/* S5PV210 GPIO number definitions */
+#define S5PV210_GPA0(_nr)	(S5PV210_GPIO_A0_START + (_nr))
+#define S5PV210_GPA1(_nr)	(S5PV210_GPIO_A1_START + (_nr))
+#define S5PV210_GPB(_nr)	(S5PV210_GPIO_B_START + (_nr))
+#define S5PV210_GPC0(_nr)	(S5PV210_GPIO_C0_START + (_nr))
+#define S5PV210_GPC1(_nr)	(S5PV210_GPIO_C1_START + (_nr))
+#define S5PV210_GPD0(_nr)	(S5PV210_GPIO_D0_START + (_nr))
+#define S5PV210_GPD1(_nr)	(S5PV210_GPIO_D1_START + (_nr))
+#define S5PV210_GPE0(_nr)	(S5PV210_GPIO_E0_START + (_nr))
+#define S5PV210_GPE1(_nr)	(S5PV210_GPIO_E1_START + (_nr))
+#define S5PV210_GPF0(_nr)	(S5PV210_GPIO_F0_START + (_nr))
+#define S5PV210_GPF1(_nr)	(S5PV210_GPIO_F1_START + (_nr))
+#define S5PV210_GPF2(_nr)	(S5PV210_GPIO_F2_START + (_nr))
+#define S5PV210_GPF3(_nr)	(S5PV210_GPIO_F3_START + (_nr))
+#define S5PV210_GPG0(_nr)	(S5PV210_GPIO_G0_START + (_nr))
+#define S5PV210_GPG1(_nr)	(S5PV210_GPIO_G1_START + (_nr))
+#define S5PV210_GPG2(_nr)	(S5PV210_GPIO_G2_START + (_nr))
+#define S5PV210_GPG3(_nr)	(S5PV210_GPIO_G3_START + (_nr))
+#define S5PV210_GPH0(_nr)	(S5PV210_GPIO_H0_START + (_nr))
+#define S5PV210_GPH1(_nr)	(S5PV210_GPIO_H1_START + (_nr))
+#define S5PV210_GPH2(_nr)	(S5PV210_GPIO_H2_START + (_nr))
+#define S5PV210_GPH3(_nr)	(S5PV210_GPIO_H3_START + (_nr))
+#define S5PV210_GPI(_nr)	(S5PV210_GPIO_I_START + (_nr))
+#define S5PV210_GPJ0(_nr)	(S5PV210_GPIO_J0_START + (_nr))
+#define S5PV210_GPJ1(_nr)	(S5PV210_GPIO_J1_START + (_nr))
+#define S5PV210_GPJ2(_nr)	(S5PV210_GPIO_J2_START + (_nr))
+#define S5PV210_GPJ3(_nr)	(S5PV210_GPIO_J3_START + (_nr))
+#define S5PV210_GPJ4(_nr)	(S5PV210_GPIO_J4_START + (_nr))
+
+/* the end of the S5PV210 specific gpios */
+#define S5PV210_GPIO_END	(S5PV210_GPJ4(S5PV210_GPIO_J4_NR) + 1)
+#define S3C_GPIO_END		S5PV210_GPIO_END
+
+/* define the number of gpios we need to the one after the GPJ4() range */
+#define ARCH_NR_GPIOS		(S5PV210_GPJ4(S5PV210_GPIO_J4_NR) +	\
+				 CONFIG_SAMSUNG_GPIO_EXTRA + 1)
+
+#include <asm-generic/gpio.h>
+
+#endif /* __ASM_ARCH_GPIO_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/hardware.h b/arch/arm/mach-s5pv210/include/mach/hardware.h
new file mode 100644
index 000000000000..fada7a392d09
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/hardware.h
@@ -0,0 +1,18 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/hardware.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5PV210 - Hardware support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H __FILE__
+
+/* currently nothing here, placeholder */
+
+#endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/io.h b/arch/arm/mach-s5pv210/include/mach/io.h
new file mode 100644
index 000000000000..5ab9d560bc86
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/io.h
@@ -0,0 +1,26 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/io.h
+ *
+ * Copyright 2008-2010 Ben Dooks <ben-linux@fluff.org>
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Based on arch/arm/mach-s5p6442/include/mach/io.h
+ *
+ * Default IO routines for S5PV210
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARM_ARCH_IO_H
+#define __ASM_ARM_ARCH_IO_H __FILE__
+
+/* No current ISA/PCI bus support. */
+#define __io(a)		__typesafe_io(a)
+#define __mem_pci(a)	(a)
+
+#define IO_SPACE_LIMIT (0xFFFFFFFF)
+
+#endif /* __ASM_ARM_ARCH_IO_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/irqs.h b/arch/arm/mach-s5pv210/include/mach/irqs.h
new file mode 100644
index 000000000000..62c5175ef291
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/irqs.h
@@ -0,0 +1,146 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/irqs.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5PV210 - IRQ definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_IRQS_H
+#define __ASM_ARCH_IRQS_H __FILE__
+
+#include <plat/irqs.h>
+
+/* VIC0: System, DMA, Timer */
+
+#define IRQ_EINT0		S5P_IRQ_VIC0(0)
+#define IRQ_EINT1		S5P_IRQ_VIC0(1)
+#define IRQ_EINT2		S5P_IRQ_VIC0(2)
+#define IRQ_EINT3		S5P_IRQ_VIC0(3)
+#define IRQ_EINT4		S5P_IRQ_VIC0(4)
+#define IRQ_EINT5		S5P_IRQ_VIC0(5)
+#define IRQ_EINT6		S5P_IRQ_VIC0(6)
+#define IRQ_EINT7		S5P_IRQ_VIC0(7)
+#define IRQ_EINT8		S5P_IRQ_VIC0(8)
+#define IRQ_EINT9		S5P_IRQ_VIC0(9)
+#define IRQ_EINT10		S5P_IRQ_VIC0(10)
+#define IRQ_EINT11		S5P_IRQ_VIC0(11)
+#define IRQ_EINT12		S5P_IRQ_VIC0(12)
+#define IRQ_EINT13		S5P_IRQ_VIC0(13)
+#define IRQ_EINT14		S5P_IRQ_VIC0(14)
+#define IRQ_EINT15		S5P_IRQ_VIC0(15)
+#define IRQ_EINT16_31		S5P_IRQ_VIC0(16)
+#define IRQ_BATF		S5P_IRQ_VIC0(17)
+#define IRQ_MDMA		S5P_IRQ_VIC0(18)
+#define IRQ_PDMA0		S5P_IRQ_VIC0(19)
+#define IRQ_PDMA1		S5P_IRQ_VIC0(20)
+#define IRQ_TIMER0_VIC		S5P_IRQ_VIC0(21)
+#define IRQ_TIMER1_VIC		S5P_IRQ_VIC0(22)
+#define IRQ_TIMER2_VIC		S5P_IRQ_VIC0(23)
+#define IRQ_TIMER3_VIC		S5P_IRQ_VIC0(24)
+#define IRQ_TIMER4_VIC		S5P_IRQ_VIC0(25)
+#define IRQ_SYSTIMER		S5P_IRQ_VIC0(26)
+#define IRQ_WDT			S5P_IRQ_VIC0(27)
+#define IRQ_RTC_ALARM		S5P_IRQ_VIC0(28)
+#define IRQ_RTC_TIC		S5P_IRQ_VIC0(29)
+#define IRQ_GPIOINT		S5P_IRQ_VIC0(30)
+#define IRQ_FIMC3		S5P_IRQ_VIC0(31)
+
+/* VIC1: ARM, Power, Memory, Connectivity, Storage */
+
+#define IRQ_CORTEX0		S5P_IRQ_VIC1(0)
+#define IRQ_CORTEX1		S5P_IRQ_VIC1(1)
+#define IRQ_CORTEX2		S5P_IRQ_VIC1(2)
+#define IRQ_CORTEX3		S5P_IRQ_VIC1(3)
+#define IRQ_CORTEX4		S5P_IRQ_VIC1(4)
+#define IRQ_IEMAPC		S5P_IRQ_VIC1(5)
+#define IRQ_IEMIEC		S5P_IRQ_VIC1(6)
+#define IRQ_ONENAND		S5P_IRQ_VIC1(7)
+#define IRQ_NFC			S5P_IRQ_VIC1(8)
+#define IRQ_CFC			S5P_IRQ_VIC1(9)
+#define IRQ_UART0		S5P_IRQ_VIC1(10)
+#define IRQ_UART1		S5P_IRQ_VIC1(11)
+#define IRQ_UART2		S5P_IRQ_VIC1(12)
+#define IRQ_UART3		S5P_IRQ_VIC1(13)
+#define IRQ_IIC			S5P_IRQ_VIC1(14)
+#define IRQ_SPI0		S5P_IRQ_VIC1(15)
+#define IRQ_SPI1		S5P_IRQ_VIC1(16)
+#define IRQ_SPI2		S5P_IRQ_VIC1(17)
+#define IRQ_IRDA		S5P_IRQ_VIC1(18)
+#define IRQ_CAN0		S5P_IRQ_VIC1(19)
+#define IRQ_CAN1		S5P_IRQ_VIC1(20)
+#define IRQ_HSIRX		S5P_IRQ_VIC1(21)
+#define IRQ_HSITX		S5P_IRQ_VIC1(22)
+#define IRQ_UHOST		S5P_IRQ_VIC1(23)
+#define IRQ_OTG			S5P_IRQ_VIC1(24)
+#define IRQ_MSM			S5P_IRQ_VIC1(25)
+#define IRQ_HSMMC0		S5P_IRQ_VIC1(26)
+#define IRQ_HSMMC1		S5P_IRQ_VIC1(27)
+#define IRQ_HSMMC2		S5P_IRQ_VIC1(28)
+#define IRQ_MIPICSI		S5P_IRQ_VIC1(29)
+#define IRQ_MIPIDSI		S5P_IRQ_VIC1(30)
+#define IRQ_ONENAND_AUDI	S5P_IRQ_VIC1(31)
+
+/* VIC2: Multimedia, Audio, Security */
+
+#define IRQ_LCD0		S5P_IRQ_VIC2(0)
+#define IRQ_LCD1		S5P_IRQ_VIC2(1)
+#define IRQ_LCD2		S5P_IRQ_VIC2(2)
+#define IRQ_LCD3		S5P_IRQ_VIC2(3)
+#define IRQ_ROTATOR		S5P_IRQ_VIC2(4)
+#define IRQ_FIMC0		S5P_IRQ_VIC2(5)
+#define IRQ_FIMC1		S5P_IRQ_VIC2(6)
+#define IRQ_FIMC2		S5P_IRQ_VIC2(7)
+#define IRQ_JPEG		S5P_IRQ_VIC2(8)
+#define IRQ_2D			S5P_IRQ_VIC2(9)
+#define IRQ_3D			S5P_IRQ_VIC2(10)
+#define IRQ_MIXER		S5P_IRQ_VIC2(11)
+#define IRQ_HDMI		S5P_IRQ_VIC2(12)
+#define IRQ_IIC1		S5P_IRQ_VIC2(13)
+#define IRQ_MFC			S5P_IRQ_VIC2(14)
+#define IRQ_TVENC		S5P_IRQ_VIC2(15)
+#define IRQ_I2S0		S5P_IRQ_VIC2(16)
+#define IRQ_I2S1		S5P_IRQ_VIC2(17)
+#define IRQ_I2S2		S5P_IRQ_VIC2(18)
+#define IRQ_AC97		S5P_IRQ_VIC2(19)
+#define IRQ_PCM0		S5P_IRQ_VIC2(20)
+#define IRQ_PCM1		S5P_IRQ_VIC2(21)
+#define IRQ_SPDIF		S5P_IRQ_VIC2(22)
+#define IRQ_ADC			S5P_IRQ_VIC2(23)
+#define IRQ_PENDN		S5P_IRQ_VIC2(24)
+#define IRQ_TC			IRQ_PENDN
+#define IRQ_KEYPAD		S5P_IRQ_VIC2(25)
+#define IRQ_CG			S5P_IRQ_VIC2(26)
+#define IRQ_SEC			S5P_IRQ_VIC2(27)
+#define IRQ_SECRX		S5P_IRQ_VIC2(28)
+#define IRQ_SECTX		S5P_IRQ_VIC2(29)
+#define IRQ_SDMIRQ		S5P_IRQ_VIC2(30)
+#define IRQ_SDMFIQ		S5P_IRQ_VIC2(31)
+
+/* VIC3: Etc */
+
+#define IRQ_IPC			S5P_IRQ_VIC3(0)
+#define IRQ_HOSTIF		S5P_IRQ_VIC3(1)
+#define IRQ_MMC3		S5P_IRQ_VIC3(2)
+#define IRQ_CEC			S5P_IRQ_VIC3(3)
+#define IRQ_TSI			S5P_IRQ_VIC3(4)
+#define IRQ_MDNIE0		S5P_IRQ_VIC3(5)
+#define IRQ_MDNIE1		S5P_IRQ_VIC3(6)
+#define IRQ_MDNIE2		S5P_IRQ_VIC3(7)
+#define IRQ_MDNIE3		S5P_IRQ_VIC3(8)
+#define IRQ_VIC_END		S5P_IRQ_VIC3(31)
+
+#define S5P_IRQ_EINT_BASE	(IRQ_VIC_END + 1)
+
+#define S5P_EINT(x)		((x) + S5P_IRQ_EINT_BASE)
+#define IRQ_EINT(x)		S5P_EINT(x)
+
+/* Set the default NR_IRQS */
+
+#define NR_IRQS 		(IRQ_EINT(31) + 1)
+
+#endif /* ASM_ARCH_IRQS_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
new file mode 100644
index 000000000000..c22694c8231f
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -0,0 +1,65 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/map.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5PV210 - Memory map definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_MAP_H
+#define __ASM_ARCH_MAP_H __FILE__
+
+#include <plat/map-base.h>
+#include <plat/map-s5p.h>
+
+#define S5PV210_PA_CHIPID	(0xE0000000)
+#define S5P_PA_CHIPID		S5PV210_PA_CHIPID
+
+#define S5PV210_PA_SYSCON	(0xE0100000)
+#define S5P_PA_SYSCON		S5PV210_PA_SYSCON
+
+#define S5PV210_PA_GPIO		(0xE0200000)
+#define S5P_PA_GPIO		S5PV210_PA_GPIO
+
+#define S5PV210_PA_IIC0		(0xE1800000)
+
+#define S5PV210_PA_TIMER	(0xE2500000)
+#define S5P_PA_TIMER		S5PV210_PA_TIMER
+
+#define S5PV210_PA_SYSTIMER	(0xE2600000)
+
+#define S5PV210_PA_UART		(0xE2900000)
+
+#define S5P_PA_UART0		(S5PV210_PA_UART + 0x0)
+#define S5P_PA_UART1		(S5PV210_PA_UART + 0x400)
+#define S5P_PA_UART2		(S5PV210_PA_UART + 0x800)
+#define S5P_PA_UART3		(S5PV210_PA_UART + 0xC00)
+
+#define S5P_SZ_UART		SZ_256
+
+#define S5PV210_PA_SROMC	(0xE8000000)
+
+#define S5PV210_PA_VIC0		(0xF2000000)
+#define S5P_PA_VIC0		S5PV210_PA_VIC0
+
+#define S5PV210_PA_VIC1		(0xF2100000)
+#define S5P_PA_VIC1		S5PV210_PA_VIC1
+
+#define S5PV210_PA_VIC2		(0xF2200000)
+#define S5P_PA_VIC2		S5PV210_PA_VIC2
+
+#define S5PV210_PA_VIC3		(0xF2300000)
+#define S5P_PA_VIC3		S5PV210_PA_VIC3
+
+#define S5PV210_PA_SDRAM	(0x20000000)
+#define S5P_PA_SDRAM		S5PV210_PA_SDRAM
+
+/* compatibiltiy defines. */
+#define S3C_PA_UART		S5PV210_PA_UART
+#define S3C_PA_IIC		S5PV210_PA_IIC0
+
+#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/memory.h b/arch/arm/mach-s5pv210/include/mach/memory.h
new file mode 100644
index 000000000000..379117e27600
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/memory.h
@@ -0,0 +1,23 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/memory.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5PV210 - Memory definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+#define PHYS_OFFSET		UL(0x20000000)
+#define CONSISTENT_DMA_SIZE	(SZ_8M + SZ_4M + SZ_2M)
+
+/* Maximum of 256MiB in one bank */
+#define MAX_PHYSMEM_BITS	32
+#define SECTION_SIZE_BITS	28
+
+#endif /* __ASM_ARCH_MEMORY_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/pwm-clock.h b/arch/arm/mach-s5pv210/include/mach/pwm-clock.h
new file mode 100644
index 000000000000..69027fea987a
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/pwm-clock.h
@@ -0,0 +1,69 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/pwm-clock.h
+ *
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Based on arch/arm/plat-s3c24xx/include/mach/pwm-clock.h
+ *
+ * S5PV210 - pwm clock and timer support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_PWMCLK_H
+#define __ASM_ARCH_PWMCLK_H __FILE__
+
+/**
+ * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk
+ * @cfg: The timer TCFG1 register bits shifted down to 0.
+ *
+ * Return true if the given configuration from TCFG1 is a TCLK instead
+ * any of the TDIV clocks.
+ */
+static inline int pwm_cfg_src_is_tclk(unsigned long tcfg)
+{
+	return tcfg == S3C2410_TCFG1_MUX_TCLK;
+}
+
+/**
+ * tcfg_to_divisor() - convert tcfg1 setting to a divisor
+ * @tcfg1: The tcfg1 setting, shifted down.
+ *
+ * Get the divisor value for the given tcfg1 setting. We assume the
+ * caller has already checked to see if this is not a TCLK source.
+ */
+static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
+{
+	return 1 << (1 + tcfg1);
+}
+
+/**
+ * pwm_tdiv_has_div1() - does the tdiv setting have a /1
+ *
+ * Return true if we have a /1 in the tdiv setting.
+ */
+static inline unsigned int pwm_tdiv_has_div1(void)
+{
+	return 0;
+}
+
+/**
+ * pwm_tdiv_div_bits() - calculate TCFG1 divisor value.
+ * @div: The divisor to calculate the bit information for.
+ *
+ * Turn a divisor into the necessary bit field for TCFG1.
+ */
+static inline unsigned long pwm_tdiv_div_bits(unsigned int div)
+{
+	return ilog2(div) - 1;
+}
+
+#define S3C_TCFG1_MUX_TCLK S3C2410_TCFG1_MUX_TCLK
+
+#endif /* __ASM_ARCH_PWMCLK_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/regs-clock.h b/arch/arm/mach-s5pv210/include/mach/regs-clock.h
new file mode 100644
index 000000000000..e56e0e4673ed
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/regs-clock.h
@@ -0,0 +1,169 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/regs-clock.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5PV210 - Clock register definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_REGS_CLOCK_H
+#define __ASM_ARCH_REGS_CLOCK_H __FILE__
+
+#include <mach/map.h>
+
+#define S5P_CLKREG(x)		(S3C_VA_SYS + (x))
+
+#define S5P_APLL_LOCK		S5P_CLKREG(0x00)
+#define S5P_MPLL_LOCK		S5P_CLKREG(0x08)
+#define S5P_EPLL_LOCK		S5P_CLKREG(0x10)
+#define S5P_VPLL_LOCK		S5P_CLKREG(0x20)
+
+#define S5P_APLL_CON		S5P_CLKREG(0x100)
+#define S5P_MPLL_CON		S5P_CLKREG(0x108)
+#define S5P_EPLL_CON		S5P_CLKREG(0x110)
+#define S5P_VPLL_CON		S5P_CLKREG(0x120)
+
+#define S5P_CLK_SRC0		S5P_CLKREG(0x200)
+#define S5P_CLK_SRC1		S5P_CLKREG(0x204)
+#define S5P_CLK_SRC2		S5P_CLKREG(0x208)
+#define S5P_CLK_SRC3		S5P_CLKREG(0x20C)
+#define S5P_CLK_SRC4		S5P_CLKREG(0x210)
+#define S5P_CLK_SRC5		S5P_CLKREG(0x214)
+#define S5P_CLK_SRC6		S5P_CLKREG(0x218)
+
+#define S5P_CLK_SRC_MASK0	S5P_CLKREG(0x280)
+#define S5P_CLK_SRC_MASK1	S5P_CLKREG(0x284)
+
+#define S5P_CLK_DIV0		S5P_CLKREG(0x300)
+#define S5P_CLK_DIV1		S5P_CLKREG(0x304)
+#define S5P_CLK_DIV2		S5P_CLKREG(0x308)
+#define S5P_CLK_DIV3		S5P_CLKREG(0x30C)
+#define S5P_CLK_DIV4		S5P_CLKREG(0x310)
+#define S5P_CLK_DIV5		S5P_CLKREG(0x314)
+#define S5P_CLK_DIV6		S5P_CLKREG(0x318)
+#define S5P_CLK_DIV7		S5P_CLKREG(0x31C)
+
+#define S5P_CLKGATE_MAIN0	S5P_CLKREG(0x400)
+#define S5P_CLKGATE_MAIN1	S5P_CLKREG(0x404)
+#define S5P_CLKGATE_MAIN2	S5P_CLKREG(0x408)
+
+#define S5P_CLKGATE_PERI0	S5P_CLKREG(0x420)
+#define S5P_CLKGATE_PERI1	S5P_CLKREG(0x424)
+
+#define S5P_CLKGATE_SCLK0	S5P_CLKREG(0x440)
+#define S5P_CLKGATE_SCLK1	S5P_CLKREG(0x444)
+#define S5P_CLKGATE_IP0		S5P_CLKREG(0x460)
+#define S5P_CLKGATE_IP1		S5P_CLKREG(0x464)
+#define S5P_CLKGATE_IP2		S5P_CLKREG(0x468)
+#define S5P_CLKGATE_IP3		S5P_CLKREG(0x46C)
+#define S5P_CLKGATE_IP4		S5P_CLKREG(0x470)
+
+#define S5P_CLKGATE_BLOCK	S5P_CLKREG(0x480)
+#define S5P_CLKGATE_BUS0	S5P_CLKREG(0x484)
+#define S5P_CLKGATE_BUS1	S5P_CLKREG(0x488)
+#define S5P_CLK_OUT		S5P_CLKREG(0x500)
+
+/* CLKSRC0 */
+#define S5P_CLKSRC0_MUX200_MASK		(0x1<<16)
+#define S5P_CLKSRC0_MUX166_MASK		(0x1<<20)
+#define S5P_CLKSRC0_MUX133_MASK		(0x1<<24)
+
+/* CLKDIV0 */
+#define S5P_CLKDIV0_APLL_SHIFT		(0)
+#define S5P_CLKDIV0_APLL_MASK		(0x7 << S5P_CLKDIV0_APLL_SHIFT)
+#define S5P_CLKDIV0_A2M_SHIFT		(4)
+#define S5P_CLKDIV0_A2M_MASK		(0x7 << S5P_CLKDIV0_A2M_SHIFT)
+#define S5P_CLKDIV0_HCLK200_SHIFT	(8)
+#define S5P_CLKDIV0_HCLK200_MASK	(0x7 << S5P_CLKDIV0_HCLK200_SHIFT)
+#define S5P_CLKDIV0_PCLK100_SHIFT	(12)
+#define S5P_CLKDIV0_PCLK100_MASK	(0x7 << S5P_CLKDIV0_PCLK100_SHIFT)
+#define S5P_CLKDIV0_HCLK166_SHIFT	(16)
+#define S5P_CLKDIV0_HCLK166_MASK	(0xF << S5P_CLKDIV0_HCLK166_SHIFT)
+#define S5P_CLKDIV0_PCLK83_SHIFT	(20)
+#define S5P_CLKDIV0_PCLK83_MASK		(0x7 << S5P_CLKDIV0_PCLK83_SHIFT)
+#define S5P_CLKDIV0_HCLK133_SHIFT	(24)
+#define S5P_CLKDIV0_HCLK133_MASK	(0xF << S5P_CLKDIV0_HCLK133_SHIFT)
+#define S5P_CLKDIV0_PCLK66_SHIFT	(28)
+#define S5P_CLKDIV0_PCLK66_MASK		(0x7 << S5P_CLKDIV0_PCLK66_SHIFT)
+
+/* Registers related to power management */
+#define S5P_PWR_CFG		S5P_CLKREG(0xC000)
+#define S5P_EINT_WAKEUP_MASK	S5P_CLKREG(0xC004)
+#define S5P_WAKEUP_MASK 	S5P_CLKREG(0xC008)
+#define S5P_PWR_MODE		S5P_CLKREG(0xC00C)
+#define S5P_NORMAL_CFG		S5P_CLKREG(0xC010)
+#define S5P_IDLE_CFG		S5P_CLKREG(0xC020)
+#define S5P_STOP_CFG		S5P_CLKREG(0xC030)
+#define S5P_STOP_MEM_CFG	S5P_CLKREG(0xC034)
+#define S5P_SLEEP_CFG		S5P_CLKREG(0xC040)
+
+#define S5P_OSC_FREQ		S5P_CLKREG(0xC100)
+#define S5P_OSC_STABLE		S5P_CLKREG(0xC104)
+#define S5P_PWR_STABLE		S5P_CLKREG(0xC108)
+#define S5P_MTC_STABLE		S5P_CLKREG(0xC110)
+#define S5P_CLAMP_STABLE	S5P_CLKREG(0xC114)
+
+#define S5P_WAKEUP_STAT		S5P_CLKREG(0xC200)
+#define S5P_BLK_PWR_STAT	S5P_CLKREG(0xC204)
+
+#define S5P_OTHERS		S5P_CLKREG(0xE000)
+#define S5P_OM_STAT		S5P_CLKREG(0xE100)
+#define S5P_USB_PHY_CONTROL	S5P_CLKREG(0xE80C)
+#define S5P_DAC_CONTROL		S5P_CLKREG(0xE810)
+
+#define S5P_INFORM0		S5P_CLKREG(0xF000)
+#define S5P_INFORM1		S5P_CLKREG(0xF004)
+#define S5P_INFORM2		S5P_CLKREG(0xF008)
+#define S5P_INFORM3		S5P_CLKREG(0xF00C)
+#define S5P_INFORM4		S5P_CLKREG(0xF010)
+#define S5P_INFORM5		S5P_CLKREG(0xF014)
+#define S5P_INFORM6		S5P_CLKREG(0xF018)
+#define S5P_INFORM7		S5P_CLKREG(0xF01C)
+
+#define S5P_RST_STAT		S5P_CLKREG(0xA000)
+#define S5P_OSC_CON		S5P_CLKREG(0x8000)
+#define S5P_MIPI_PHY_CON0	S5P_CLKREG(0x7200)
+#define S5P_MIPI_PHY_CON1	S5P_CLKREG(0x7204)
+#define S5P_MIPI_CONTROL	S5P_CLKREG(0xE814)
+
+#define S5P_IDLE_CFG_TL_MASK	(3 << 30)
+#define S5P_IDLE_CFG_TM_MASK	(3 << 28)
+#define S5P_IDLE_CFG_TL_ON	(2 << 30)
+#define S5P_IDLE_CFG_TM_ON	(2 << 28)
+#define S5P_IDLE_CFG_DIDLE	(1 << 0)
+
+#define S5P_CFG_WFI_CLEAN		(~(3 << 8))
+#define S5P_CFG_WFI_IDLE		(1 << 8)
+#define S5P_CFG_WFI_STOP		(2 << 8)
+#define S5P_CFG_WFI_SLEEP		(3 << 8)
+
+#define S5P_OTHER_SYS_INT		24
+#define S5P_OTHER_STA_TYPE		23
+#define S5P_OTHER_SYSC_INTOFF		(1 << 0)
+#define STA_TYPE_EXPON			0
+#define STA_TYPE_SFR			1
+
+#define S5P_PWR_STA_EXP_SCALE		0
+#define S5P_PWR_STA_CNT			4
+
+#define S5P_PWR_STABLE_COUNT		85500
+
+#define S5P_SLEEP_CFG_OSC_EN		(1 << 0)
+#define S5P_SLEEP_CFG_USBOSC_EN		(1 << 1)
+
+/* OTHERS Resgister */
+#define S5P_OTHERS_USB_SIG_MASK		(1 << 16)
+#define S5P_OTHERS_MIPI_DPHY_EN		(1 << 28)
+
+/* MIPI */
+#define S5P_MIPI_DPHY_EN		(3)
+
+/* S5P_DAC_CONTROL */
+#define S5P_DAC_ENABLE			(1)
+#define S5P_DAC_DISABLE			(0)
+
+#endif /* __ASM_ARCH_REGS_CLOCK_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/regs-irq.h b/arch/arm/mach-s5pv210/include/mach/regs-irq.h
new file mode 100644
index 000000000000..5c3b104a7c86
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/regs-irq.h
@@ -0,0 +1,19 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/regs-irq.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5PV210 - IRQ register definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_REGS_IRQ_H
+#define __ASM_ARCH_REGS_IRQ_H __FILE__
+
+#include <asm/hardware/vic.h>
+#include <mach/map.h>
+
+#endif /* __ASM_ARCH_REGS_IRQ_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/system.h b/arch/arm/mach-s5pv210/include/mach/system.h
new file mode 100644
index 000000000000..1ca04d5025b3
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/system.h
@@ -0,0 +1,26 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/system.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5PV210 - system support header
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H __FILE__
+
+static void arch_idle(void)
+{
+	/* nothing here yet */
+}
+
+static void arch_reset(char mode, const char *cmd)
+{
+	/* nothing here yet */
+}
+
+#endif /* __ASM_ARCH_SYSTEM_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/tick.h b/arch/arm/mach-s5pv210/include/mach/tick.h
new file mode 100644
index 000000000000..7993b3603ccf
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/tick.h
@@ -0,0 +1,26 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/tick.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Based on arch/arm/mach-s3c6400/include/mach/tick.h
+ *
+ * S5PV210 - Timer tick support definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_TICK_H
+#define __ASM_ARCH_TICK_H __FILE__
+
+static inline u32 s3c24xx_ostimer_pending(void)
+{
+	u32 pend = __raw_readl(VA_VIC0 + VIC_RAW_STATUS);
+	return pend & (1 << (IRQ_TIMER4_VIC - S5P_IRQ_VIC0(0)));
+}
+
+#define TICK_MAX	(0xffffffff)
+
+#endif /* __ASM_ARCH_TICK_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/timex.h b/arch/arm/mach-s5pv210/include/mach/timex.h
new file mode 100644
index 000000000000..73dc85496a83
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/timex.h
@@ -0,0 +1,29 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/timex.h
+ *
+ * Copyright (c) 2003-2010 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Based on arch/arm/mach-s5p6442/include/mach/timex.h
+ *
+ * S5PV210 - time parameters
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_TIMEX_H
+#define __ASM_ARCH_TIMEX_H __FILE__
+
+/* CLOCK_TICK_RATE needs to be evaluatable by the cpp, so making it
+ * a variable is useless. It seems as long as we make our timers an
+ * exact multiple of HZ, any value that makes a 1->1 correspondence
+ * for the time conversion functions to/from jiffies is acceptable.
+*/
+
+#define CLOCK_TICK_RATE 12000000
+
+#endif /* __ASM_ARCH_TIMEX_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/uncompress.h b/arch/arm/mach-s5pv210/include/mach/uncompress.h
new file mode 100644
index 000000000000..08ff2fda1fb9
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/uncompress.h
@@ -0,0 +1,24 @@
+/* linux/arch/arm/mach-s5pv210/include/mach/uncompress.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5PV210 - uncompress code
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_UNCOMPRESS_H
+#define __ASM_ARCH_UNCOMPRESS_H
+
+#include <mach/map.h>
+#include <plat/uncompress.h>
+
+static void arch_detect_cpu(void)
+{
+	/* we do not need to do any cpu detection here at the moment. */
+}
+
+#endif /* __ASM_ARCH_UNCOMPRESS_H */
diff --git a/arch/arm/mach-s5pv210/include/mach/vmalloc.h b/arch/arm/mach-s5pv210/include/mach/vmalloc.h
new file mode 100644
index 000000000000..58f515e0747e
--- /dev/null
+++ b/arch/arm/mach-s5pv210/include/mach/vmalloc.h
@@ -0,0 +1,22 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/vmalloc.h
+ *
+ * Copyright 2010 Ben Dooks <ben-linux@fluff.org>
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Based on arch/arm/mach-s5p6442/include/mach/vmalloc.h
+ *
+ * S5PV210 vmalloc definition
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARCH_VMALLOC_H
+#define __ASM_ARCH_VMALLOC_H __FILE__
+
+#define VMALLOC_END	  (0xE0000000)
+
+#endif /* __ASM_ARCH_VMALLOC_H */
diff --git a/arch/arm/mach-s5pv210/init.c b/arch/arm/mach-s5pv210/init.c
new file mode 100644
index 000000000000..4865ae2c475a
--- /dev/null
+++ b/arch/arm/mach-s5pv210/init.c
@@ -0,0 +1,44 @@
+/* linux/arch/arm/mach-s5pv210/init.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+
+#include <plat/cpu.h>
+#include <plat/devs.h>
+#include <plat/s5pv210.h>
+#include <plat/regs-serial.h>
+
+static struct s3c24xx_uart_clksrc s5pv210_serial_clocks[] = {
+	[0] = {
+		.name		= "pclk",
+		.divisor	= 1,
+		.min_baud	= 0,
+		.max_baud	= 0,
+	},
+};
+
+/* uart registration process */
+void __init s5pv210_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
+{
+	struct s3c2410_uartcfg *tcfg = cfg;
+	u32 ucnt;
+
+	for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
+		if (!tcfg->clocks) {
+			tcfg->clocks = s5pv210_serial_clocks;
+			tcfg->clocks_size = ARRAY_SIZE(s5pv210_serial_clocks);
+		}
+	}
+
+	s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
+}
diff --git a/arch/arm/mach-s5pv210/mach-smdkc110.c b/arch/arm/mach-s5pv210/mach-smdkc110.c
new file mode 100644
index 000000000000..ab4869df30c0
--- /dev/null
+++ b/arch/arm/mach-s5pv210/mach-smdkc110.c
@@ -0,0 +1,98 @@
+/* linux/arch/arm/mach-s5pv210/mach-smdkc110.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+
+#include <mach/map.h>
+#include <mach/regs-clock.h>
+
+#include <plat/regs-serial.h>
+#include <plat/s5pv210.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define S5PV210_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
+				 S3C2410_UCON_RXILEVEL |	\
+				 S3C2410_UCON_TXIRQMODE |	\
+				 S3C2410_UCON_RXIRQMODE |	\
+				 S3C2410_UCON_RXFIFO_TOI |	\
+				 S3C2443_UCON_RXERR_IRQEN)
+
+#define S5PV210_ULCON_DEFAULT	S3C2410_LCON_CS8
+
+#define S5PV210_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
+				 S5PV210_UFCON_TXTRIG4 |	\
+				 S5PV210_UFCON_RXTRIG4)
+
+static struct s3c2410_uartcfg smdkv210_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport		= 0,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+	[1] = {
+		.hwport		= 1,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+	[2] = {
+		.hwport		= 2,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+	[3] = {
+		.hwport		= 3,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+};
+
+static struct platform_device *smdkc110_devices[] __initdata = {
+};
+
+static void __init smdkc110_map_io(void)
+{
+	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s3c24xx_init_clocks(24000000);
+	s3c24xx_init_uarts(smdkv210_uartcfgs, ARRAY_SIZE(smdkv210_uartcfgs));
+}
+
+static void __init smdkc110_machine_init(void)
+{
+	platform_add_devices(smdkc110_devices, ARRAY_SIZE(smdkc110_devices));
+}
+
+MACHINE_START(SMDKC110, "SMDKC110")
+	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
+	.phys_io	= S3C_PA_UART & 0xfff00000,
+	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
+	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.init_irq	= s5pv210_init_irq,
+	.map_io		= smdkc110_map_io,
+	.init_machine	= smdkc110_machine_init,
+	.timer		= &s3c24xx_timer,
+MACHINE_END
diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c
new file mode 100644
index 000000000000..a27883253204
--- /dev/null
+++ b/arch/arm/mach-s5pv210/mach-smdkv210.c
@@ -0,0 +1,98 @@
+/* linux/arch/arm/mach-s5pv210/mach-smdkv210.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+
+#include <mach/map.h>
+#include <mach/regs-clock.h>
+
+#include <plat/regs-serial.h>
+#include <plat/s5pv210.h>
+#include <plat/devs.h>
+#include <plat/cpu.h>
+
+/* Following are default values for UCON, ULCON and UFCON UART registers */
+#define S5PV210_UCON_DEFAULT	(S3C2410_UCON_TXILEVEL |	\
+				 S3C2410_UCON_RXILEVEL |	\
+				 S3C2410_UCON_TXIRQMODE |	\
+				 S3C2410_UCON_RXIRQMODE |	\
+				 S3C2410_UCON_RXFIFO_TOI |	\
+				 S3C2443_UCON_RXERR_IRQEN)
+
+#define S5PV210_ULCON_DEFAULT	S3C2410_LCON_CS8
+
+#define S5PV210_UFCON_DEFAULT	(S3C2410_UFCON_FIFOMODE |	\
+				 S5PV210_UFCON_TXTRIG4 |	\
+				 S5PV210_UFCON_RXTRIG4)
+
+static struct s3c2410_uartcfg smdkv210_uartcfgs[] __initdata = {
+	[0] = {
+		.hwport		= 0,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+	[1] = {
+		.hwport		= 1,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+	[2] = {
+		.hwport		= 2,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+	[3] = {
+		.hwport		= 3,
+		.flags		= 0,
+		.ucon		= S5PV210_UCON_DEFAULT,
+		.ulcon		= S5PV210_ULCON_DEFAULT,
+		.ufcon		= S5PV210_UFCON_DEFAULT,
+	},
+};
+
+static struct platform_device *smdkv210_devices[] __initdata = {
+};
+
+static void __init smdkv210_map_io(void)
+{
+	s5p_init_io(NULL, 0, S5P_VA_CHIPID);
+	s3c24xx_init_clocks(24000000);
+	s3c24xx_init_uarts(smdkv210_uartcfgs, ARRAY_SIZE(smdkv210_uartcfgs));
+}
+
+static void __init smdkv210_machine_init(void)
+{
+	platform_add_devices(smdkv210_devices, ARRAY_SIZE(smdkv210_devices));
+}
+
+MACHINE_START(SMDKV210, "SMDKV210")
+	/* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
+	.phys_io	= S3C_PA_UART & 0xfff00000,
+	.io_pg_offst	= (((u32)S3C_VA_UART) >> 18) & 0xfffc,
+	.boot_params	= S5P_PA_SDRAM + 0x100,
+	.init_irq	= s5pv210_init_irq,
+	.map_io		= smdkv210_map_io,
+	.init_machine	= smdkv210_machine_init,
+	.timer		= &s3c24xx_timer,
+MACHINE_END
diff --git a/arch/arm/mach-sa1100/badge4.c b/arch/arm/mach-sa1100/badge4.c
index 051ec0f0023c..259cb2c15fff 100644
--- a/arch/arm/mach-sa1100/badge4.c
+++ b/arch/arm/mach-sa1100/badge4.c
@@ -51,6 +51,10 @@ static struct resource sa1111_resources[] = {
 	},
 };
 
+static struct sa1111_platform_data sa1111_info = {
+	.irq_base	= IRQ_BOARD_END,
+};
+
 static u64 sa1111_dmamask = 0xffffffffUL;
 
 static struct platform_device sa1111_device = {
@@ -59,6 +63,7 @@ static struct platform_device sa1111_device = {
 	.dev		= {
 		.dma_mask = &sa1111_dmamask,
 		.coherent_dma_mask = 0xffffffff,
+		.platform_data = &sa1111_info,
 	},
 	.num_resources	= ARRAY_SIZE(sa1111_resources),
 	.resource	= sa1111_resources,
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index 9982c5c28edf..5d5f330c5d94 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -234,6 +234,10 @@ static struct resource locomo_resources[] = {
 	},
 };
 
+static struct locomo_platform_data locomo_info = {
+	.irq_base	= IRQ_BOARD_START,
+};
+
 struct platform_device collie_locomo_device = {
 	.name		= "locomo",
 	.id		= 0,
diff --git a/arch/arm/mach-sa1100/include/mach/collie.h b/arch/arm/mach-sa1100/include/mach/collie.h
index 71a0b3fdcc8c..52acda7061b7 100644
--- a/arch/arm/mach-sa1100/include/mach/collie.h
+++ b/arch/arm/mach-sa1100/include/mach/collie.h
@@ -72,13 +72,6 @@
 #define COLLIE_IRQ_GPIO_GA_INT		IRQ_GPIO25
 #define COLLIE_IRQ_GPIO_MAIN_BAT_LOW	IRQ_GPIO26
 
-#define COLLIE_LCM_IRQ_GPIO_RTS		IRQ_LOCOMO_GPIO0
-#define COLLIE_LCM_IRQ_GPIO_CTS		IRQ_LOCOMO_GPIO1
-#define COLLIE_LCM_IRQ_GPIO_DSR		IRQ_LOCOMO_GPIO2
-#define COLLIE_LCM_IRQ_GPIO_DTR		IRQ_LOCOMO_GPIO3
-#define COLLIE_LCM_IRQ_GPIO_nSD_DETECT	IRQ_LOCOMO_GPIO13
-#define COLLIE_LCM_IRQ_GPIO_nSD_WP	IRQ_LOCOMO_GPIO14
-
 /* GPIO's on the TC35143AF (Toshiba Analog Frontend) */
 #define COLLIE_TC35143_GPIO_BASE	(GPIO_MAX + 13)
 #define COLLIE_TC35143_GPIO_VERSION0    UCB_IO_0
diff --git a/arch/arm/mach-sa1100/include/mach/irqs.h b/arch/arm/mach-sa1100/include/mach/irqs.h
index ae81f80b0cf9..8c8845b5ae5b 100644
--- a/arch/arm/mach-sa1100/include/mach/irqs.h
+++ b/arch/arm/mach-sa1100/include/mach/irqs.h
@@ -68,93 +68,17 @@
 #define IRQ_BOARD_START		49
 #define IRQ_BOARD_END		65
 
-#define IRQ_SA1111_START	(IRQ_BOARD_END)
-#define IRQ_GPAIN0		(IRQ_BOARD_END + 0)
-#define IRQ_GPAIN1		(IRQ_BOARD_END + 1)
-#define IRQ_GPAIN2		(IRQ_BOARD_END + 2)
-#define IRQ_GPAIN3		(IRQ_BOARD_END + 3)
-#define IRQ_GPBIN0		(IRQ_BOARD_END + 4)
-#define IRQ_GPBIN1		(IRQ_BOARD_END + 5)
-#define IRQ_GPBIN2		(IRQ_BOARD_END + 6)
-#define IRQ_GPBIN3		(IRQ_BOARD_END + 7)
-#define IRQ_GPBIN4		(IRQ_BOARD_END + 8)
-#define IRQ_GPBIN5		(IRQ_BOARD_END + 9)
-#define IRQ_GPCIN0		(IRQ_BOARD_END + 10)
-#define IRQ_GPCIN1		(IRQ_BOARD_END + 11)
-#define IRQ_GPCIN2		(IRQ_BOARD_END + 12)
-#define IRQ_GPCIN3		(IRQ_BOARD_END + 13)
-#define IRQ_GPCIN4		(IRQ_BOARD_END + 14)
-#define IRQ_GPCIN5		(IRQ_BOARD_END + 15)
-#define IRQ_GPCIN6		(IRQ_BOARD_END + 16)
-#define IRQ_GPCIN7		(IRQ_BOARD_END + 17)
-#define IRQ_MSTXINT		(IRQ_BOARD_END + 18)
-#define IRQ_MSRXINT		(IRQ_BOARD_END + 19)
-#define IRQ_MSSTOPERRINT	(IRQ_BOARD_END + 20)
-#define IRQ_TPTXINT		(IRQ_BOARD_END + 21)
-#define IRQ_TPRXINT		(IRQ_BOARD_END + 22)
-#define IRQ_TPSTOPERRINT	(IRQ_BOARD_END + 23)
-#define SSPXMTINT		(IRQ_BOARD_END + 24)
-#define SSPRCVINT		(IRQ_BOARD_END + 25)
-#define SSPROR			(IRQ_BOARD_END + 26)
-#define AUDXMTDMADONEA		(IRQ_BOARD_END + 32)
-#define AUDRCVDMADONEA		(IRQ_BOARD_END + 33)
-#define AUDXMTDMADONEB		(IRQ_BOARD_END + 34)
-#define AUDRCVDMADONEB		(IRQ_BOARD_END + 35)
-#define AUDTFSR			(IRQ_BOARD_END + 36)
-#define AUDRFSR			(IRQ_BOARD_END + 37)
-#define AUDTUR			(IRQ_BOARD_END + 38)
-#define AUDROR			(IRQ_BOARD_END + 39)
-#define AUDDTS			(IRQ_BOARD_END + 40)
-#define AUDRDD			(IRQ_BOARD_END + 41)
-#define AUDSTO			(IRQ_BOARD_END + 42)
-#define IRQ_USBPWR		(IRQ_BOARD_END + 43)
-#define IRQ_HCIM		(IRQ_BOARD_END + 44)
-#define IRQ_HCIBUFFACC		(IRQ_BOARD_END + 45)
-#define IRQ_HCIRMTWKP		(IRQ_BOARD_END + 46)
-#define IRQ_NHCIMFCIR		(IRQ_BOARD_END + 47)
-#define IRQ_USB_PORT_RESUME	(IRQ_BOARD_END + 48)
-#define IRQ_S0_READY_NINT	(IRQ_BOARD_END + 49)
-#define IRQ_S1_READY_NINT	(IRQ_BOARD_END + 50)
-#define IRQ_S0_CD_VALID		(IRQ_BOARD_END + 51)
-#define IRQ_S1_CD_VALID		(IRQ_BOARD_END + 52)
-#define IRQ_S0_BVD1_STSCHG	(IRQ_BOARD_END + 53)
-#define IRQ_S1_BVD1_STSCHG	(IRQ_BOARD_END + 54)
-
-#define IRQ_LOCOMO_START	(IRQ_BOARD_END)
-#define IRQ_LOCOMO_KEY		(IRQ_BOARD_END + 0)
-#define IRQ_LOCOMO_GPIO0	(IRQ_BOARD_END + 1)
-#define IRQ_LOCOMO_GPIO1	(IRQ_BOARD_END + 2)
-#define IRQ_LOCOMO_GPIO2	(IRQ_BOARD_END + 3)
-#define IRQ_LOCOMO_GPIO3	(IRQ_BOARD_END + 4)
-#define IRQ_LOCOMO_GPIO4	(IRQ_BOARD_END + 5)
-#define IRQ_LOCOMO_GPIO5	(IRQ_BOARD_END + 6)
-#define IRQ_LOCOMO_GPIO6	(IRQ_BOARD_END + 7)
-#define IRQ_LOCOMO_GPIO7	(IRQ_BOARD_END + 8)
-#define IRQ_LOCOMO_GPIO8	(IRQ_BOARD_END + 9)
-#define IRQ_LOCOMO_GPIO9	(IRQ_BOARD_END + 10)
-#define IRQ_LOCOMO_GPIO10	(IRQ_BOARD_END + 11)
-#define IRQ_LOCOMO_GPIO11	(IRQ_BOARD_END + 12)
-#define IRQ_LOCOMO_GPIO12	(IRQ_BOARD_END + 13)
-#define IRQ_LOCOMO_GPIO13	(IRQ_BOARD_END + 14)
-#define IRQ_LOCOMO_GPIO14	(IRQ_BOARD_END + 15)
-#define IRQ_LOCOMO_GPIO15	(IRQ_BOARD_END + 16)
-#define IRQ_LOCOMO_LT		(IRQ_BOARD_END + 17)
-#define IRQ_LOCOMO_SPI_RFR	(IRQ_BOARD_END + 18)
-#define IRQ_LOCOMO_SPI_RFW	(IRQ_BOARD_END + 19)
-#define IRQ_LOCOMO_SPI_REND	(IRQ_BOARD_END + 20)
-#define IRQ_LOCOMO_SPI_TEND	(IRQ_BOARD_END + 21)
-
 /*
  * Figure out the MAX IRQ number.
  *
  * If we have an SA1111, the max IRQ is S1_BVD1_STSCHG+1.
- * If we have an LoCoMo, the max IRQ is IRQ_LOCOMO_SPI_TEND+1
+ * If we have an LoCoMo, the max IRQ is IRQ_BOARD_START + 4
  * Otherwise, we have the standard IRQs only.
  */
 #ifdef CONFIG_SA1111
-#define NR_IRQS			(IRQ_S1_BVD1_STSCHG + 1)
-#elif defined(CONFIG_SHARP_LOCOMO)
-#define NR_IRQS			(IRQ_LOCOMO_SPI_TEND + 1)
+#define NR_IRQS			(IRQ_BOARD_END + 55)
+#elif defined(CONFIG_SHARPSL_LOCOMO)
+#define NR_IRQS			(IRQ_BOARD_START + 4)
 #else
 #define NR_IRQS			(IRQ_BOARD_START)
 #endif
@@ -166,10 +90,3 @@
 #define IRQ_NEPONSET_SMC9196	(IRQ_BOARD_START + 0)
 #define IRQ_NEPONSET_USAR	(IRQ_BOARD_START + 1)
 #define IRQ_NEPONSET_SA1111	(IRQ_BOARD_START + 2)
-
-/* LoCoMo Interrupts (CONFIG_SHARP_LOCOMO) */
-#define IRQ_LOCOMO_KEY_BASE	(IRQ_BOARD_START + 0)
-#define IRQ_LOCOMO_GPIO_BASE	(IRQ_BOARD_START + 1)
-#define IRQ_LOCOMO_LT_BASE	(IRQ_BOARD_START + 2)
-#define IRQ_LOCOMO_SPI_BASE	(IRQ_BOARD_START + 3)
-
diff --git a/arch/arm/mach-sa1100/jornada720.c b/arch/arm/mach-sa1100/jornada720.c
index 13ebd2d99bfd..d3ec620618f1 100644
--- a/arch/arm/mach-sa1100/jornada720.c
+++ b/arch/arm/mach-sa1100/jornada720.c
@@ -208,6 +208,10 @@ static struct resource sa1111_resources[] = {
 	},
 };
 
+static struct sa1111_platform_data sa1111_info = {
+	.irq_base	= IRQ_BOARD_END,
+};
+
 static u64 sa1111_dmamask = 0xffffffffUL;
 
 static struct platform_device sa1111_device = {
@@ -216,6 +220,7 @@ static struct platform_device sa1111_device = {
 	.dev		= {
 		.dma_mask = &sa1111_dmamask,
 		.coherent_dma_mask = 0xffffffff,
+		.platform_data = &sa1111_info,
 	},
 	.num_resources	= ARRAY_SIZE(sa1111_resources),
 	.resource	= sa1111_resources,
diff --git a/arch/arm/mach-sa1100/jornada720_ssp.c b/arch/arm/mach-sa1100/jornada720_ssp.c
index 506a5e5a9ad5..9b6dee5d16db 100644
--- a/arch/arm/mach-sa1100/jornada720_ssp.c
+++ b/arch/arm/mach-sa1100/jornada720_ssp.c
@@ -130,7 +130,7 @@ void jornada_ssp_end(void)
 };
 EXPORT_SYMBOL(jornada_ssp_end);
 
-static int __init jornada_ssp_probe(struct platform_device *dev)
+static int __devinit jornada_ssp_probe(struct platform_device *dev)
 {
 	int ret;
 
diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index 6ccd175bc4cf..0b505d9f22d6 100644
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -241,6 +241,10 @@ static struct resource sa1111_resources[] = {
 	},
 };
 
+static struct sa1111_platform_data sa1111_info = {
+	.irq_base	= IRQ_BOARD_END,
+};
+
 static u64 sa1111_dmamask = 0xffffffffUL;
 
 static struct platform_device sa1111_device = {
@@ -249,6 +253,7 @@ static struct platform_device sa1111_device = {
 	.dev		= {
 		.dma_mask = &sa1111_dmamask,
 		.coherent_dma_mask = 0xffffffff,
+		.platform_data = &sa1111_info,
 	},
 	.num_resources	= ARRAY_SIZE(sa1111_resources),
 	.resource	= sa1111_resources,
diff --git a/arch/arm/mach-sa1100/time.c b/arch/arm/mach-sa1100/time.c
index b9cbb56d6e9d..74b6e0e570b6 100644
--- a/arch/arm/mach-sa1100/time.c
+++ b/arch/arm/mach-sa1100/time.c
@@ -35,14 +35,12 @@ static irqreturn_t sa1100_ost0_interrupt(int irq, void *dev_id)
 static int
 sa1100_osmr0_set_next_event(unsigned long delta, struct clock_event_device *c)
 {
-	unsigned long flags, next, oscr;
+	unsigned long next, oscr;
 
-	raw_local_irq_save(flags);
 	OIER |= OIER_E0;
 	next = OSCR + delta;
 	OSMR0 = next;
 	oscr = OSCR;
-	raw_local_irq_restore(flags);
 
 	return (signed)(next - oscr) <= MIN_OSCR_DELTA ? -ETIME : 0;
 }
@@ -50,16 +48,12 @@ sa1100_osmr0_set_next_event(unsigned long delta, struct clock_event_device *c)
 static void
 sa1100_osmr0_set_mode(enum clock_event_mode mode, struct clock_event_device *c)
 {
-	unsigned long flags;
-
 	switch (mode) {
 	case CLOCK_EVT_MODE_ONESHOT:
 	case CLOCK_EVT_MODE_UNUSED:
 	case CLOCK_EVT_MODE_SHUTDOWN:
-		raw_local_irq_save(flags);
 		OIER &= ~OIER_E0;
 		OSSR = OSSR_M0;
-		raw_local_irq_restore(flags);
 		break;
 
 	case CLOCK_EVT_MODE_RESUME:
diff --git a/arch/arm/mach-shmobile/Kconfig b/arch/arm/mach-shmobile/Kconfig
new file mode 100644
index 000000000000..aeceb9b92aeb
--- /dev/null
+++ b/arch/arm/mach-shmobile/Kconfig
@@ -0,0 +1,84 @@
+if ARCH_SHMOBILE
+
+comment "SH-Mobile System Type"
+
+config ARCH_SH7367
+	bool "SH-Mobile G3 (SH7367)"
+	select CPU_V6
+	select HAVE_CLK
+	select COMMON_CLKDEV
+	select GENERIC_TIME
+	select GENERIC_CLOCKEVENTS
+
+config ARCH_SH7377
+	bool "SH-Mobile G4 (SH7377)"
+	select CPU_V7
+	select HAVE_CLK
+	select COMMON_CLKDEV
+	select GENERIC_TIME
+	select GENERIC_CLOCKEVENTS
+
+config ARCH_SH7372
+	bool "SH-Mobile AP4 (SH7372)"
+	select CPU_V7
+	select HAVE_CLK
+	select COMMON_CLKDEV
+	select GENERIC_TIME
+	select GENERIC_CLOCKEVENTS
+
+comment "SH-Mobile Board Type"
+
+config MACH_G3EVM
+	bool "G3EVM board"
+	depends on ARCH_SH7367
+	select ARCH_REQUIRE_GPIOLIB
+
+config MACH_G4EVM
+	bool "G4EVM board"
+	depends on ARCH_SH7377
+	select ARCH_REQUIRE_GPIOLIB
+
+config MACH_AP4EVB
+	bool "AP4EVB board"
+	depends on ARCH_SH7372
+	select ARCH_REQUIRE_GPIOLIB
+
+comment "SH-Mobile System Configuration"
+
+menu "Memory configuration"
+
+config MEMORY_START
+	hex "Physical memory start address"
+	default "0x50000000" if MACH_G3EVM
+	default "0x40000000" if MACH_G4EVM
+	default "0x40000000" if MACH_AP4EVB
+	default "0x00000000"
+	---help---
+	  Tweak this only when porting to a new machine which does not
+	  already have a defconfig. Changing it from the known correct
+	  value on any of the known systems will only lead to disaster.
+
+config MEMORY_SIZE
+	hex "Physical memory size"
+	default "0x08000000" if MACH_G3EVM
+	default "0x08000000" if MACH_G4EVM
+	default "0x10000000" if MACH_AP4EVB
+	default "0x04000000"
+	help
+	  This sets the default memory size assumed by your kernel. It can
+	  be overridden as normal by the 'mem=' argument on the kernel command
+	  line.
+
+endmenu
+
+menu "Timer and clock configuration"
+
+config SH_TIMER_CMT
+	bool "CMT timer driver"
+	default y
+	help
+	  This enables build of the CMT timer driver.
+
+endmenu
+
+endif
diff --git a/arch/arm/mach-shmobile/Makefile b/arch/arm/mach-shmobile/Makefile
new file mode 100644
index 000000000000..6d385d371c33
--- /dev/null
+++ b/arch/arm/mach-shmobile/Makefile
@@ -0,0 +1,22 @@
+#
+# Makefile for the linux kernel.
+#
+
+# Common objects
+obj-y				:= timer.o console.o
+
+# CPU objects
+obj-$(CONFIG_ARCH_SH7367)	+= setup-sh7367.o clock-sh7367.o intc-sh7367.o
+obj-$(CONFIG_ARCH_SH7377)	+= setup-sh7377.o clock-sh7367.o intc-sh7377.o
+obj-$(CONFIG_ARCH_SH7372)	+= setup-sh7372.o clock-sh7367.o intc-sh7372.o
+
+# Pinmux setup
+pfc-$(CONFIG_ARCH_SH7367)	:= pfc-sh7367.o
+pfc-$(CONFIG_ARCH_SH7377)	:= pfc-sh7377.o
+pfc-$(CONFIG_ARCH_SH7372)	:= pfc-sh7372.o
+obj-$(CONFIG_GENERIC_GPIO)	+= $(pfc-y)
+
+# Board objects
+obj-$(CONFIG_MACH_G3EVM)	+= board-g3evm.o
+obj-$(CONFIG_MACH_G4EVM)	+= board-g4evm.o
+obj-$(CONFIG_MACH_AP4EVB)	+= board-ap4evb.o
diff --git a/arch/arm/mach-shmobile/Makefile.boot b/arch/arm/mach-shmobile/Makefile.boot
new file mode 100644
index 000000000000..1c08ee9de86a
--- /dev/null
+++ b/arch/arm/mach-shmobile/Makefile.boot
@@ -0,0 +1,9 @@
+__ZRELADDR	:= $(shell /bin/bash -c 'printf "0x%08x" \
+		     $$[$(CONFIG_MEMORY_START) + 0x8000]')
+
+   zreladdr-y   := $(__ZRELADDR)
+
+# Unsupported legacy stuff
+#
+#params_phys-y (Instead: Pass atags pointer in r2)
+#initrd_phys-y (Instead: Use compiled-in initramfs)
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c
new file mode 100644
index 000000000000..1c2ec96ce261
--- /dev/null
+++ b/arch/arm/mach-shmobile/board-ap4evb.c
@@ -0,0 +1,333 @@
+/*
+ * AP4EVB board support
+ *
+ * Copyright (C) 2010  Magnus Damm
+ * Copyright (C) 2008  Yoshihiro Shimoda
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/io.h>
+#include <linux/smsc911x.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/input/sh_keysc.h>
+#include <mach/common.h>
+#include <mach/sh7372.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+/*
+ * Address	Interface		BusWidth	note
+ * ------------------------------------------------------------------
+ * 0x0000_0000	NOR Flash ROM (MCP)	16bit		SW7 : bit1 = ON
+ * 0x0800_0000	user area		-
+ * 0x1000_0000	NOR Flash ROM (MCP)	16bit		SW7 : bit1 = OFF
+ * 0x1400_0000	Ether (LAN9220)		16bit
+ * 0x1600_0000	user area		-		cannot use with NAND
+ * 0x1800_0000	user area		-
+ * 0x1A00_0000	-
+ * 0x4000_0000	LPDDR2-SDRAM (POP)	32bit
+ */
+
+/*
+ * NOR Flash ROM
+ *
+ *  SW1  |     SW2    | SW7  | NOR Flash ROM
+ *  bit1 | bit1  bit2 | bit1 | Memory allocation
+ * ------+------------+------+------------------
+ *  OFF  | ON     OFF | ON   |    Area 0
+ *  OFF  | ON     OFF | OFF  |    Area 4
+ */
+
+/*
+ * NAND Flash ROM
+ *
+ *  SW1  |     SW2    | SW7  | NAND Flash ROM
+ *  bit1 | bit1  bit2 | bit2 | Memory allocation
+ * ------+------------+------+------------------
+ *  OFF  | ON     OFF | ON   |    FCE 0
+ *  OFF  | ON     OFF | OFF  |    FCE 1
+ */
+
+/*
+ * SMSC 9220
+ *
+ *  SW1		SMSC 9220
+ * -----------------------
+ *  ON		access disable
+ *  OFF		access enable
+ */
+
+/*
+ * KEYSC
+ *
+ * SW43		KEYSC
+ * -------------------------
+ * ON		enable
+ * OFF		disable
+ */
+
+/* MTD */
+static struct mtd_partition nor_flash_partitions[] = {
+	{
+		.name		= "loader",
+		.offset		= 0x00000000,
+		.size		= 512 * 1024,
+	},
+	{
+		.name		= "bootenv",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 512 * 1024,
+	},
+	{
+		.name		= "kernel_ro",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 8 * 1024 * 1024,
+		.mask_flags	= MTD_WRITEABLE,
+	},
+	{
+		.name		= "kernel",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 8 * 1024 * 1024,
+	},
+	{
+		.name		= "data",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct physmap_flash_data nor_flash_data = {
+	.width		= 2,
+	.parts		= nor_flash_partitions,
+	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
+};
+
+static struct resource nor_flash_resources[] = {
+	[0]	= {
+		.start	= 0x00000000,
+		.end	= 0x08000000 - 1,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct platform_device nor_flash_device = {
+	.name		= "physmap-flash",
+	.dev		= {
+		.platform_data	= &nor_flash_data,
+	},
+	.num_resources	= ARRAY_SIZE(nor_flash_resources),
+	.resource	= nor_flash_resources,
+};
+
+/* SMSC 9220 */
+static struct resource smc911x_resources[] = {
+	{
+		.start	= 0x14000000,
+		.end	= 0x16000000 - 1,
+		.flags	= IORESOURCE_MEM,
+	}, {
+		.start	= 6,
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+	},
+};
+
+static struct smsc911x_platform_config smsc911x_info = {
+	.flags		= SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
+	.irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
+	.irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
+};
+
+static struct platform_device smc911x_device = {
+	.name           = "smsc911x",
+	.id             = -1,
+	.num_resources  = ARRAY_SIZE(smc911x_resources),
+	.resource       = smc911x_resources,
+	.dev            = {
+		.platform_data = &smsc911x_info,
+	},
+};
+
+/* KEYSC (Needs SW43 set to ON) */
+static struct sh_keysc_info keysc_info = {
+	.mode		= SH_KEYSC_MODE_1,
+	.scan_timing	= 3,
+	.delay		= 2500,
+	.keycodes = {
+		KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
+		KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
+		KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
+		KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
+		KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
+	},
+};
+
+static struct resource keysc_resources[] = {
+	[0] = {
+		.name	= "KEYSC",
+		.start  = 0xe61b0000,
+		.end    = 0xe61b0063,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 79,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device keysc_device = {
+	.name           = "sh_keysc",
+	.id             = 0, /* "keysc0" clock */
+	.num_resources  = ARRAY_SIZE(keysc_resources),
+	.resource       = keysc_resources,
+	.dev	= {
+		.platform_data	= &keysc_info,
+	},
+};
+
+/* SDHI0 */
+static struct resource sdhi0_resources[] = {
+	[0] = {
+		.name	= "SDHI0",
+		.start  = 0xe6850000,
+		.end    = 0xe68501ff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 96,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device sdhi0_device = {
+	.name           = "sh_mobile_sdhi",
+	.num_resources  = ARRAY_SIZE(sdhi0_resources),
+	.resource       = sdhi0_resources,
+	.id             = 0,
+};
+
+static struct platform_device *ap4evb_devices[] __initdata = {
+	&nor_flash_device,
+	&smc911x_device,
+	&keysc_device,
+	&sdhi0_device,
+};
+
+static struct map_desc ap4evb_io_desc[] __initdata = {
+	/* create a 1:1 entity map for 0xe6xxxxxx
+	 * used by CPGA, INTC and PFC.
+	 */
+	{
+		.virtual	= 0xe6000000,
+		.pfn		= __phys_to_pfn(0xe6000000),
+		.length		= 256 << 20,
+		.type		= MT_DEVICE_NONSHARED
+	},
+};
+
+static void __init ap4evb_map_io(void)
+{
+	iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
+
+	/* setup early devices, clocks and console here as well */
+	sh7372_add_early_devices();
+	sh7367_clock_init(); /* use g3 clocks for now */
+	shmobile_setup_console();
+}
+
+static void __init ap4evb_init(void)
+{
+	sh7372_pinmux_init();
+
+	/* enable SCIFA0 */
+	gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
+	gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
+
+	/* enable SMSC911X */
+	gpio_request(GPIO_FN_CS5A,	NULL);
+	gpio_request(GPIO_FN_IRQ6_39,	NULL);
+
+	/* enable LED 1 - 4 */
+	gpio_request(GPIO_PORT185, NULL);
+	gpio_request(GPIO_PORT186, NULL);
+	gpio_request(GPIO_PORT187, NULL);
+	gpio_request(GPIO_PORT188, NULL);
+	gpio_direction_output(GPIO_PORT185, 1);
+	gpio_direction_output(GPIO_PORT186, 1);
+	gpio_direction_output(GPIO_PORT187, 1);
+	gpio_direction_output(GPIO_PORT188, 1);
+	gpio_export(GPIO_PORT185, 0);
+	gpio_export(GPIO_PORT186, 0);
+	gpio_export(GPIO_PORT187, 0);
+	gpio_export(GPIO_PORT188, 0);
+
+	/* enable Debug switch (S6) */
+	gpio_request(GPIO_PORT32, NULL);
+	gpio_request(GPIO_PORT33, NULL);
+	gpio_request(GPIO_PORT34, NULL);
+	gpio_request(GPIO_PORT35, NULL);
+	gpio_direction_input(GPIO_PORT32);
+	gpio_direction_input(GPIO_PORT33);
+	gpio_direction_input(GPIO_PORT34);
+	gpio_direction_input(GPIO_PORT35);
+	gpio_export(GPIO_PORT32, 0);
+	gpio_export(GPIO_PORT33, 0);
+	gpio_export(GPIO_PORT34, 0);
+	gpio_export(GPIO_PORT35, 0);
+
+	/* enable KEYSC */
+	gpio_request(GPIO_FN_KEYOUT0, NULL);
+	gpio_request(GPIO_FN_KEYOUT1, NULL);
+	gpio_request(GPIO_FN_KEYOUT2, NULL);
+	gpio_request(GPIO_FN_KEYOUT3, NULL);
+	gpio_request(GPIO_FN_KEYOUT4, NULL);
+	gpio_request(GPIO_FN_KEYIN0_136, NULL);
+	gpio_request(GPIO_FN_KEYIN1_135, NULL);
+	gpio_request(GPIO_FN_KEYIN2_134, NULL);
+	gpio_request(GPIO_FN_KEYIN3_133, NULL);
+	gpio_request(GPIO_FN_KEYIN4,     NULL);
+
+	/* SDHI0 */
+	gpio_request(GPIO_FN_SDHICD0, NULL);
+	gpio_request(GPIO_FN_SDHIWP0, NULL);
+	gpio_request(GPIO_FN_SDHICMD0, NULL);
+	gpio_request(GPIO_FN_SDHICLK0, NULL);
+	gpio_request(GPIO_FN_SDHID0_3, NULL);
+	gpio_request(GPIO_FN_SDHID0_2, NULL);
+	gpio_request(GPIO_FN_SDHID0_1, NULL);
+	gpio_request(GPIO_FN_SDHID0_0, NULL);
+
+	sh7372_add_standard_devices();
+
+	platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
+}
+
+MACHINE_START(AP4EVB, "ap4evb")
+	.phys_io	= 0xe6000000,
+	.io_pg_offst	= ((0xe6000000) >> 18) & 0xfffc,
+	.map_io		= ap4evb_map_io,
+	.init_irq	= sh7372_init_irq,
+	.init_machine	= ap4evb_init,
+	.timer		= &shmobile_timer,
+MACHINE_END
diff --git a/arch/arm/mach-shmobile/board-g3evm.c b/arch/arm/mach-shmobile/board-g3evm.c
new file mode 100644
index 000000000000..9247503296c4
--- /dev/null
+++ b/arch/arm/mach-shmobile/board-g3evm.c
@@ -0,0 +1,333 @@
+/*
+ * G3EVM board support
+ *
+ * Copyright (C) 2010  Magnus Damm
+ * Copyright (C) 2008  Yoshihiro Shimoda
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/mtd/sh_flctl.h>
+#include <linux/usb/r8a66597.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/input/sh_keysc.h>
+#include <mach/sh7367.h>
+#include <mach/common.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+static struct mtd_partition nor_flash_partitions[] = {
+	{
+		.name		= "loader",
+		.offset		= 0x00000000,
+		.size		= 512 * 1024,
+	},
+	{
+		.name		= "bootenv",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 512 * 1024,
+	},
+	{
+		.name		= "kernel_ro",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 8 * 1024 * 1024,
+		.mask_flags	= MTD_WRITEABLE,
+	},
+	{
+		.name		= "kernel",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 8 * 1024 * 1024,
+	},
+	{
+		.name		= "data",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct physmap_flash_data nor_flash_data = {
+	.width		= 2,
+	.parts		= nor_flash_partitions,
+	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
+};
+
+static struct resource nor_flash_resources[] = {
+	[0]	= {
+		.start	= 0x00000000,
+		.end	= 0x08000000 - 1,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct platform_device nor_flash_device = {
+	.name		= "physmap-flash",
+	.dev		= {
+		.platform_data	= &nor_flash_data,
+	},
+	.num_resources	= ARRAY_SIZE(nor_flash_resources),
+	.resource	= nor_flash_resources,
+};
+
+/* USBHS */
+void usb_host_port_power(int port, int power)
+{
+	if (!power) /* only power-on supported for now */
+		return;
+
+	/* set VBOUT/PWEN and EXTLP0 in DVSTCTR */
+	__raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008);
+}
+
+static struct r8a66597_platdata usb_host_data = {
+	.on_chip = 1,
+	.port_power = usb_host_port_power,
+};
+
+static struct resource usb_host_resources[] = {
+	[0] = {
+		.name	= "USBHS",
+		.start	= 0xe6890000,
+		.end	= 0xe68900e5,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 65,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device usb_host_device = {
+	.name		= "r8a66597_hcd",
+	.id		= 0,
+	.dev = {
+		.platform_data		= &usb_host_data,
+		.dma_mask		= NULL,
+		.coherent_dma_mask	= 0xffffffff,
+	},
+	.num_resources	= ARRAY_SIZE(usb_host_resources),
+	.resource	= usb_host_resources,
+};
+
+/* KEYSC */
+static struct sh_keysc_info keysc_info = {
+	.mode		= SH_KEYSC_MODE_5,
+	.scan_timing	= 3,
+	.delay		= 100,
+	.keycodes = {
+		KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G,
+		KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N,
+		KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
+		KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
+		KEY_WAKEUP, KEY_COFFEE, KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
+		KEY_5, KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER,
+	},
+};
+
+static struct resource keysc_resources[] = {
+	[0] = {
+		.name	= "KEYSC",
+		.start  = 0xe61b0000,
+		.end    = 0xe61b000f,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 79,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device keysc_device = {
+	.name           = "sh_keysc",
+	.num_resources  = ARRAY_SIZE(keysc_resources),
+	.resource       = keysc_resources,
+	.dev	= {
+		.platform_data	= &keysc_info,
+	},
+};
+
+static struct mtd_partition nand_partition_info[] = {
+	{
+		.name	= "system",
+		.offset	= 0,
+		.size	= 64 * 1024 * 1024,
+	},
+	{
+		.name	= "userdata",
+		.offset	= MTDPART_OFS_APPEND,
+		.size	= 128 * 1024 * 1024,
+	},
+	{
+		.name	= "cache",
+		.offset	= MTDPART_OFS_APPEND,
+		.size	= 64 * 1024 * 1024,
+	},
+};
+
+static struct resource nand_flash_resources[] = {
+	[0] = {
+		.start	= 0xe6a30000,
+		.end	= 0xe6a3009b,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct sh_flctl_platform_data nand_flash_data = {
+	.parts		= nand_partition_info,
+	.nr_parts	= ARRAY_SIZE(nand_partition_info),
+	.flcmncr_val	= QTSEL_E | FCKSEL_E | TYPESEL_SET | NANWF_E
+			| SHBUSSEL | SEL_16BIT,
+};
+
+static struct platform_device nand_flash_device = {
+	.name		= "sh_flctl",
+	.resource	= nand_flash_resources,
+	.num_resources	= ARRAY_SIZE(nand_flash_resources),
+	.dev		= {
+		.platform_data = &nand_flash_data,
+	},
+};
+
+static struct platform_device *g3evm_devices[] __initdata = {
+	&nor_flash_device,
+	&usb_host_device,
+	&keysc_device,
+	&nand_flash_device,
+};
+
+static struct map_desc g3evm_io_desc[] __initdata = {
+	/* create a 1:1 entity map for 0xe6xxxxxx
+	 * used by CPGA, INTC and PFC.
+	 */
+	{
+		.virtual	= 0xe6000000,
+		.pfn		= __phys_to_pfn(0xe6000000),
+		.length		= 256 << 20,
+		.type		= MT_DEVICE_NONSHARED
+	},
+};
+
+static void __init g3evm_map_io(void)
+{
+	iotable_init(g3evm_io_desc, ARRAY_SIZE(g3evm_io_desc));
+
+	/* setup early devices, clocks and console here as well */
+	sh7367_add_early_devices();
+	sh7367_clock_init();
+	shmobile_setup_console();
+}
+
+static void __init g3evm_init(void)
+{
+	sh7367_pinmux_init();
+
+	/* Lit DS4 LED */
+	gpio_request(GPIO_PORT22, NULL);
+	gpio_direction_output(GPIO_PORT22, 1);
+	gpio_export(GPIO_PORT22, 0);
+
+	/* Lit DS8 LED */
+	gpio_request(GPIO_PORT23, NULL);
+	gpio_direction_output(GPIO_PORT23, 1);
+	gpio_export(GPIO_PORT23, 0);
+
+	/* Lit DS3 LED */
+	gpio_request(GPIO_PORT24, NULL);
+	gpio_direction_output(GPIO_PORT24, 1);
+	gpio_export(GPIO_PORT24, 0);
+
+	/* SCIFA1 */
+	gpio_request(GPIO_FN_SCIFA1_TXD, NULL);
+	gpio_request(GPIO_FN_SCIFA1_RXD, NULL);
+	gpio_request(GPIO_FN_SCIFA1_CTS, NULL);
+	gpio_request(GPIO_FN_SCIFA1_RTS, NULL);
+
+	/* USBHS */
+	gpio_request(GPIO_FN_VBUS0, NULL);
+	gpio_request(GPIO_FN_PWEN, NULL);
+	gpio_request(GPIO_FN_OVCN, NULL);
+	gpio_request(GPIO_FN_OVCN2, NULL);
+	gpio_request(GPIO_FN_EXTLP, NULL);
+	gpio_request(GPIO_FN_IDIN, NULL);
+
+	/* enable clock in SYMSTPCR2 */
+	__raw_writel(__raw_readl(0xe6158048) & ~(1 << 22), 0xe6158048);
+
+	/* setup USB phy */
+	__raw_writew(0x0300, 0xe605810a);	/* USBCR1 */
+	__raw_writew(0x00e0, 0xe60581c0);	/* CPFCH */
+	__raw_writew(0x6010, 0xe60581c6);	/* CGPOSR */
+	__raw_writew(0x8a0a, 0xe605810c);	/* USBCR2 */
+
+	/* KEYSC @ CN7 */
+	gpio_request(GPIO_FN_PORT42_KEYOUT0, NULL);
+	gpio_request(GPIO_FN_PORT43_KEYOUT1, NULL);
+	gpio_request(GPIO_FN_PORT44_KEYOUT2, NULL);
+	gpio_request(GPIO_FN_PORT45_KEYOUT3, NULL);
+	gpio_request(GPIO_FN_PORT46_KEYOUT4, NULL);
+	gpio_request(GPIO_FN_PORT47_KEYOUT5, NULL);
+	gpio_request(GPIO_FN_PORT48_KEYIN0_PU, NULL);
+	gpio_request(GPIO_FN_PORT49_KEYIN1_PU, NULL);
+	gpio_request(GPIO_FN_PORT50_KEYIN2_PU, NULL);
+	gpio_request(GPIO_FN_PORT55_KEYIN3_PU, NULL);
+	gpio_request(GPIO_FN_PORT56_KEYIN4_PU, NULL);
+	gpio_request(GPIO_FN_PORT57_KEYIN5_PU, NULL);
+	gpio_request(GPIO_FN_PORT58_KEYIN6_PU, NULL);
+
+	/* FLCTL */
+	gpio_request(GPIO_FN_FCE0, NULL);
+	gpio_request(GPIO_FN_D0_ED0_NAF0, NULL);
+	gpio_request(GPIO_FN_D1_ED1_NAF1, NULL);
+	gpio_request(GPIO_FN_D2_ED2_NAF2, NULL);
+	gpio_request(GPIO_FN_D3_ED3_NAF3, NULL);
+	gpio_request(GPIO_FN_D4_ED4_NAF4, NULL);
+	gpio_request(GPIO_FN_D5_ED5_NAF5, NULL);
+	gpio_request(GPIO_FN_D6_ED6_NAF6, NULL);
+	gpio_request(GPIO_FN_D7_ED7_NAF7, NULL);
+	gpio_request(GPIO_FN_D8_ED8_NAF8, NULL);
+	gpio_request(GPIO_FN_D9_ED9_NAF9, NULL);
+	gpio_request(GPIO_FN_D10_ED10_NAF10, NULL);
+	gpio_request(GPIO_FN_D11_ED11_NAF11, NULL);
+	gpio_request(GPIO_FN_D12_ED12_NAF12, NULL);
+	gpio_request(GPIO_FN_D13_ED13_NAF13, NULL);
+	gpio_request(GPIO_FN_D14_ED14_NAF14, NULL);
+	gpio_request(GPIO_FN_D15_ED15_NAF15, NULL);
+	gpio_request(GPIO_FN_WE0_XWR0_FWE, NULL);
+	gpio_request(GPIO_FN_FRB, NULL);
+	/* FOE, FCDE, FSC on dedicated pins */
+	__raw_writel(__raw_readl(0xe6158048) & ~(1 << 15), 0xe6158048);
+
+	sh7367_add_standard_devices();
+
+	platform_add_devices(g3evm_devices, ARRAY_SIZE(g3evm_devices));
+}
+
+MACHINE_START(G3EVM, "g3evm")
+	.phys_io	= 0xe6000000,
+	.io_pg_offst	= ((0xe6000000) >> 18) & 0xfffc,
+	.map_io		= g3evm_map_io,
+	.init_irq	= sh7367_init_irq,
+	.init_machine	= g3evm_init,
+	.timer		= &shmobile_timer,
+MACHINE_END
diff --git a/arch/arm/mach-shmobile/board-g4evm.c b/arch/arm/mach-shmobile/board-g4evm.c
new file mode 100644
index 000000000000..10673a90be52
--- /dev/null
+++ b/arch/arm/mach-shmobile/board-g4evm.c
@@ -0,0 +1,268 @@
+/*
+ * G4EVM board support
+ *
+ * Copyright (C) 2010  Magnus Damm
+ * Copyright (C) 2008  Yoshihiro Shimoda
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/usb/r8a66597.h>
+#include <linux/io.h>
+#include <linux/input.h>
+#include <linux/input/sh_keysc.h>
+#include <linux/gpio.h>
+#include <mach/sh7377.h>
+#include <mach/common.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+static struct mtd_partition nor_flash_partitions[] = {
+	{
+		.name		= "loader",
+		.offset		= 0x00000000,
+		.size		= 512 * 1024,
+	},
+	{
+		.name		= "bootenv",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 512 * 1024,
+	},
+	{
+		.name		= "kernel_ro",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 8 * 1024 * 1024,
+		.mask_flags	= MTD_WRITEABLE,
+	},
+	{
+		.name		= "kernel",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= 8 * 1024 * 1024,
+	},
+	{
+		.name		= "data",
+		.offset		= MTDPART_OFS_APPEND,
+		.size		= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct physmap_flash_data nor_flash_data = {
+	.width		= 2,
+	.parts		= nor_flash_partitions,
+	.nr_parts	= ARRAY_SIZE(nor_flash_partitions),
+};
+
+static struct resource nor_flash_resources[] = {
+	[0]	= {
+		.start	= 0x00000000,
+		.end	= 0x08000000 - 1,
+		.flags	= IORESOURCE_MEM,
+	}
+};
+
+static struct platform_device nor_flash_device = {
+	.name		= "physmap-flash",
+	.dev		= {
+		.platform_data	= &nor_flash_data,
+	},
+	.num_resources	= ARRAY_SIZE(nor_flash_resources),
+	.resource	= nor_flash_resources,
+};
+
+/* USBHS */
+void usb_host_port_power(int port, int power)
+{
+	if (!power) /* only power-on supported for now */
+		return;
+
+	/* set VBOUT/PWEN and EXTLP0 in DVSTCTR */
+	__raw_writew(__raw_readw(0xe6890008) | 0x600, 0xe6890008);
+}
+
+static struct r8a66597_platdata usb_host_data = {
+	.on_chip = 1,
+	.port_power = usb_host_port_power,
+};
+
+static struct resource usb_host_resources[] = {
+	[0] = {
+		.name	= "USBHS",
+		.start	= 0xe6890000,
+		.end	= 0xe68900e5,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 65,
+		.end	= 65,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device usb_host_device = {
+	.name		= "r8a66597_hcd",
+	.id		= 0,
+	.dev = {
+		.platform_data		= &usb_host_data,
+		.dma_mask		= NULL,
+		.coherent_dma_mask	= 0xffffffff,
+	},
+	.num_resources	= ARRAY_SIZE(usb_host_resources),
+	.resource	= usb_host_resources,
+};
+
+/* KEYSC */
+static struct sh_keysc_info keysc_info = {
+	.mode		= SH_KEYSC_MODE_5,
+	.scan_timing	= 3,
+	.delay		= 100,
+	.keycodes = {
+		KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F,
+		KEY_G, KEY_H, KEY_I, KEY_J, KEY_K, KEY_L,
+		KEY_M, KEY_N, KEY_U, KEY_P, KEY_Q, KEY_R,
+		KEY_S, KEY_T, KEY_U, KEY_V, KEY_W, KEY_X,
+		KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP, KEY_WAKEUP, KEY_COFFEE,
+		KEY_0, KEY_1, KEY_2, KEY_3, KEY_4, KEY_5,
+		KEY_6, KEY_7, KEY_8, KEY_9, KEY_STOP, KEY_COMPUTER,
+	},
+};
+
+static struct resource keysc_resources[] = {
+	[0] = {
+		.name	= "KEYSC",
+		.start  = 0xe61b0000,
+		.end    = 0xe61b000f,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 79,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device keysc_device = {
+	.name           = "sh_keysc",
+	.id             = 0, /* keysc0 clock */
+	.num_resources  = ARRAY_SIZE(keysc_resources),
+	.resource       = keysc_resources,
+	.dev	= {
+		.platform_data	= &keysc_info,
+	},
+};
+
+static struct platform_device *g4evm_devices[] __initdata = {
+	&nor_flash_device,
+	&usb_host_device,
+	&keysc_device,
+};
+
+static struct map_desc g4evm_io_desc[] __initdata = {
+	/* create a 1:1 entity map for 0xe6xxxxxx
+	 * used by CPGA, INTC and PFC.
+	 */
+	{
+		.virtual	= 0xe6000000,
+		.pfn		= __phys_to_pfn(0xe6000000),
+		.length		= 256 << 20,
+		.type		= MT_DEVICE_NONSHARED
+	},
+};
+
+static void __init g4evm_map_io(void)
+{
+	iotable_init(g4evm_io_desc, ARRAY_SIZE(g4evm_io_desc));
+
+	/* setup early devices, clocks and console here as well */
+	sh7377_add_early_devices();
+	sh7367_clock_init(); /* use g3 clocks for now */
+	shmobile_setup_console();
+}
+
+static void __init g4evm_init(void)
+{
+	sh7377_pinmux_init();
+
+	/* Lit DS14 LED */
+	gpio_request(GPIO_PORT109, NULL);
+	gpio_direction_output(GPIO_PORT109, 1);
+	gpio_export(GPIO_PORT109, 1);
+
+	/* Lit DS15 LED */
+	gpio_request(GPIO_PORT110, NULL);
+	gpio_direction_output(GPIO_PORT110, 1);
+	gpio_export(GPIO_PORT110, 1);
+
+	/* Lit DS16 LED */
+	gpio_request(GPIO_PORT112, NULL);
+	gpio_direction_output(GPIO_PORT112, 1);
+	gpio_export(GPIO_PORT112, 1);
+
+	/* Lit DS17 LED */
+	gpio_request(GPIO_PORT113, NULL);
+	gpio_direction_output(GPIO_PORT113, 1);
+	gpio_export(GPIO_PORT113, 1);
+
+	/* USBHS */
+	gpio_request(GPIO_FN_VBUS_0, NULL);
+	gpio_request(GPIO_FN_PWEN, NULL);
+	gpio_request(GPIO_FN_OVCN, NULL);
+	gpio_request(GPIO_FN_OVCN2, NULL);
+	gpio_request(GPIO_FN_EXTLP, NULL);
+	gpio_request(GPIO_FN_IDIN, NULL);
+
+	/* enable clock in SMSTPCR3 */
+	__raw_writel(__raw_readl(0xe615013c) & ~(1 << 22), 0xe615013c);
+
+	/* setup USB phy */
+	__raw_writew(0x0200, 0xe605810a);       /* USBCR1 */
+	__raw_writew(0x00e0, 0xe60581c0);       /* CPFCH */
+	__raw_writew(0x6010, 0xe60581c6);       /* CGPOSR */
+	__raw_writew(0x8a0a, 0xe605810c);       /* USBCR2 */
+
+	/* KEYSC @ CN31 */
+	gpio_request(GPIO_FN_PORT60_KEYOUT5, NULL);
+	gpio_request(GPIO_FN_PORT61_KEYOUT4, NULL);
+	gpio_request(GPIO_FN_PORT62_KEYOUT3, NULL);
+	gpio_request(GPIO_FN_PORT63_KEYOUT2, NULL);
+	gpio_request(GPIO_FN_PORT64_KEYOUT1, NULL);
+	gpio_request(GPIO_FN_PORT65_KEYOUT0, NULL);
+	gpio_request(GPIO_FN_PORT66_KEYIN0_PU, NULL);
+	gpio_request(GPIO_FN_PORT67_KEYIN1_PU, NULL);
+	gpio_request(GPIO_FN_PORT68_KEYIN2_PU, NULL);
+	gpio_request(GPIO_FN_PORT69_KEYIN3_PU, NULL);
+	gpio_request(GPIO_FN_PORT70_KEYIN4_PU, NULL);
+	gpio_request(GPIO_FN_PORT71_KEYIN5_PU, NULL);
+	gpio_request(GPIO_FN_PORT72_KEYIN6_PU, NULL);
+
+	sh7377_add_standard_devices();
+
+	platform_add_devices(g4evm_devices, ARRAY_SIZE(g4evm_devices));
+}
+
+MACHINE_START(G4EVM, "g4evm")
+	.phys_io	= 0xe6000000,
+	.io_pg_offst	= ((0xe6000000) >> 18) & 0xfffc,
+	.map_io		= g4evm_map_io,
+	.init_irq	= sh7377_init_irq,
+	.init_machine	= g4evm_init,
+	.timer		= &shmobile_timer,
+MACHINE_END
diff --git a/arch/arm/mach-shmobile/clock-sh7367.c b/arch/arm/mach-shmobile/clock-sh7367.c
new file mode 100644
index 000000000000..bb940c6e4e6c
--- /dev/null
+++ b/arch/arm/mach-shmobile/clock-sh7367.c
@@ -0,0 +1,103 @@
+/*
+ * Preliminary clock framework support for sh7367
+ *
+ * Copyright (C) 2010  Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/clk.h>
+
+struct clk {
+	const char *name;
+	unsigned long rate;
+};
+
+#include <asm/clkdev.h>
+
+int __clk_get(struct clk *clk)
+{
+	return 1;
+}
+EXPORT_SYMBOL(__clk_get);
+
+void __clk_put(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(__clk_put);
+
+
+int clk_enable(struct clk *clk)
+{
+	return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+	return clk ? clk->rate : 0;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+/* a static peripheral clock for now - enough to get sh-sci working */
+static struct clk peripheral_clk = {
+	.name	    = "peripheral_clk",
+	.rate	    = 48000000,
+};
+
+/* a static rclk for now - enough to get sh_cmt working */
+static struct clk r_clk = {
+	.name	    = "r_clk",
+	.rate	    = 32768,
+};
+
+/* a static usb0 for now - enough to get r8a66597 working */
+static struct clk usb0_clk = {
+	.name	    = "usb0",
+};
+
+/* a static keysc0 clk for now - enough to get sh_keysc working */
+static struct clk keysc0_clk = {
+	.name	    = "keysc0",
+};
+
+static struct clk_lookup lookups[] = {
+	{
+		.clk = &peripheral_clk,
+	}, {
+		.clk = &r_clk,
+	}, {
+		.clk = &usb0_clk,
+	}, {
+		.clk = &keysc0_clk,
+	}
+};
+
+void __init sh7367_clock_init(void)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(lookups); i++) {
+		lookups[i].con_id = lookups[i].clk->name;
+		clkdev_add(&lookups[i]);
+	}
+}
diff --git a/arch/arm/mach-shmobile/console.c b/arch/arm/mach-shmobile/console.c
new file mode 100644
index 000000000000..9411a5bf4fd6
--- /dev/null
+++ b/arch/arm/mach-shmobile/console.c
@@ -0,0 +1,31 @@
+/*
+ * SH-Mobile Console
+ *
+ * Copyright (C) 2010  Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <mach/common.h>
+#include <asm/mach/map.h>
+
+void __init shmobile_setup_console(void)
+{
+	parse_early_param();
+
+	/* Let earlyprintk output early console messages */
+	early_platform_driver_probe("earlyprintk", 1, 1);
+}
diff --git a/arch/arm/mach-shmobile/include/mach/clkdev.h b/arch/arm/mach-shmobile/include/mach/clkdev.h
new file mode 100644
index 000000000000..36d0163a857a
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/clkdev.h
@@ -0,0 +1,7 @@
+#ifndef __ASM_MACH_CLKDEV_H
+#define __ASM_MACH_CLKDEV_H
+
+int __clk_get(struct clk *clk);
+void __clk_put(struct clk *clk);
+
+#endif /* __ASM_MACH_CLKDEV_H */
diff --git a/arch/arm/mach-shmobile/include/mach/common.h b/arch/arm/mach-shmobile/include/mach/common.h
new file mode 100644
index 000000000000..57903605cc51
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/common.h
@@ -0,0 +1,23 @@
+#ifndef __ARCH_MACH_COMMON_H
+#define __ARCH_MACH_COMMON_H
+
+extern struct sys_timer shmobile_timer;
+extern void shmobile_setup_console(void);
+
+extern void sh7367_init_irq(void);
+extern void sh7367_add_early_devices(void);
+extern void sh7367_add_standard_devices(void);
+extern void sh7367_clock_init(void);
+extern void sh7367_pinmux_init(void);
+
+extern void sh7377_init_irq(void);
+extern void sh7377_add_early_devices(void);
+extern void sh7377_add_standard_devices(void);
+extern void sh7377_pinmux_init(void);
+
+extern void sh7372_init_irq(void);
+extern void sh7372_add_early_devices(void);
+extern void sh7372_add_standard_devices(void);
+extern void sh7372_pinmux_init(void);
+
+#endif /* __ARCH_MACH_COMMON_H */
diff --git a/arch/arm/mach-shmobile/include/mach/dma.h b/arch/arm/mach-shmobile/include/mach/dma.h
new file mode 100644
index 000000000000..40a8c178f10d
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/dma.h
@@ -0,0 +1 @@
+/* empty */
diff --git a/arch/arm/mach-shmobile/include/mach/entry-macro.S b/arch/arm/mach-shmobile/include/mach/entry-macro.S
new file mode 100644
index 000000000000..a285d13c7416
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/entry-macro.S
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2008 Renesas Solutions Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <mach/hardware.h>
+#include <mach/irqs.h>
+
+	.macro  disable_fiq
+	.endm
+
+	.macro  get_irqnr_preamble, base, tmp
+	ldr     \base, =INTFLGA
+	.endm
+
+	.macro  arch_ret_to_user, tmp1, tmp2
+	.endm
+
+	.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+	ldr     \irqnr, [\base]
+	cmp	\irqnr, #0
+	beq	1000f
+	/* intevt to irq number */
+	lsr	\irqnr, \irqnr, #0x5
+	subs	\irqnr, \irqnr, #16
+
+1000:
+	.endm
diff --git a/arch/arm/mach-shmobile/include/mach/gpio.h b/arch/arm/mach-shmobile/include/mach/gpio.h
new file mode 100644
index 000000000000..5bc6bd444d72
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/gpio.h
@@ -0,0 +1,48 @@
+/*
+ * Generic GPIO API and pinmux table support
+ *
+ * Copyright (c) 2008  Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __ASM_ARCH_GPIO_H
+#define __ASM_ARCH_GPIO_H
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+
+#define ARCH_NR_GPIOS 1024
+#include <linux/sh_pfc.h>
+
+#ifdef CONFIG_GPIOLIB
+
+static inline int gpio_get_value(unsigned gpio)
+{
+	return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+	__gpio_set_value(gpio, value);
+}
+
+static inline int gpio_cansleep(unsigned gpio)
+{
+	return __gpio_cansleep(gpio);
+}
+
+static inline int gpio_to_irq(unsigned gpio)
+{
+	return -ENOSYS;
+}
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+	return -EINVAL;
+}
+
+#endif /* CONFIG_GPIOLIB */
+
+#endif /* __ASM_ARCH_GPIO_H */
diff --git a/arch/arm/mach-shmobile/include/mach/hardware.h b/arch/arm/mach-shmobile/include/mach/hardware.h
new file mode 100644
index 000000000000..3f0ef194603e
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/hardware.h
@@ -0,0 +1,7 @@
+#ifndef __ASM_MACH_HARDWARE_H
+#define __ASM_MACH_HARDWARE_H
+
+/* INTFLGA register - used by low level interrupt code in entry-macro.S */
+#define INTFLGA			0xe6980018
+
+#endif /* __ASM_MACH_HARDWARE_H */
diff --git a/arch/arm/mach-shmobile/include/mach/io.h b/arch/arm/mach-shmobile/include/mach/io.h
new file mode 100644
index 000000000000..7339fe46cb7c
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/io.h
@@ -0,0 +1,9 @@
+#ifndef __ASM_MACH_IO_H
+#define __ASM_MACH_IO_H
+
+#define IO_SPACE_LIMIT		0xffffffff
+
+#define __io(a)			((void __iomem *)(a))
+#define __mem_pci(a)		(a)
+
+#endif /* __ASM_MACH_IO_H */
diff --git a/arch/arm/mach-shmobile/include/mach/irqs.h b/arch/arm/mach-shmobile/include/mach/irqs.h
new file mode 100644
index 000000000000..5179b72e1ee3
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/irqs.h
@@ -0,0 +1,10 @@
+#ifndef __ASM_MACH_IRQS_H
+#define __ASM_MACH_IRQS_H
+
+#define NR_IRQS         512
+#define NR_IRQS_LEGACY  8
+
+#define evt2irq(evt)		(((evt) >> 5) - 16)
+#define irq2evt(irq)		(((irq) + 16) << 5)
+
+#endif /* __ASM_MACH_IRQS_H */
diff --git a/arch/arm/mach-shmobile/include/mach/memory.h b/arch/arm/mach-shmobile/include/mach/memory.h
new file mode 100644
index 000000000000..e188183f4dce
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/memory.h
@@ -0,0 +1,7 @@
+#ifndef __ASM_MACH_MEMORY_H
+#define __ASM_MACH_MEMORY_H
+
+#define PHYS_OFFSET	UL(CONFIG_MEMORY_START)
+#define MEM_SIZE	UL(CONFIG_MEMORY_SIZE)
+
+#endif /* __ASM_MACH_MEMORY_H */
diff --git a/arch/arm/mach-shmobile/include/mach/sh7367.h b/arch/arm/mach-shmobile/include/mach/sh7367.h
new file mode 100644
index 000000000000..52d0de686f68
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/sh7367.h
@@ -0,0 +1,332 @@
+#ifndef __ASM_SH7367_H__
+#define __ASM_SH7367_H__
+
+/* Pin Function Controller:
+ * GPIO_FN_xx - GPIO used to select pin function
+ * GPIO_PORTxx - GPIO mapped to real I/O pin on CPU
+ */
+enum {
+	/* 49-1 -> 49-6 (GPIO) */
+	GPIO_PORT0, GPIO_PORT1, GPIO_PORT2, GPIO_PORT3, GPIO_PORT4,
+	GPIO_PORT5, GPIO_PORT6, GPIO_PORT7, GPIO_PORT8, GPIO_PORT9,
+
+	GPIO_PORT10, GPIO_PORT11, GPIO_PORT12, GPIO_PORT13, GPIO_PORT14,
+	GPIO_PORT15, GPIO_PORT16, GPIO_PORT17, GPIO_PORT18, GPIO_PORT19,
+
+	GPIO_PORT20, GPIO_PORT21, GPIO_PORT22, GPIO_PORT23, GPIO_PORT24,
+	GPIO_PORT25, GPIO_PORT26, GPIO_PORT27, GPIO_PORT28, GPIO_PORT29,
+
+	GPIO_PORT30, GPIO_PORT31, GPIO_PORT32, GPIO_PORT33, GPIO_PORT34,
+	GPIO_PORT35, GPIO_PORT36, GPIO_PORT37, GPIO_PORT38, GPIO_PORT39,
+
+	GPIO_PORT40, GPIO_PORT41, GPIO_PORT42, GPIO_PORT43, GPIO_PORT44,
+	GPIO_PORT45, GPIO_PORT46, GPIO_PORT47, GPIO_PORT48, GPIO_PORT49,
+
+	GPIO_PORT50, GPIO_PORT51, GPIO_PORT52, GPIO_PORT53, GPIO_PORT54,
+	GPIO_PORT55, GPIO_PORT56, GPIO_PORT57, GPIO_PORT58, GPIO_PORT59,
+
+	GPIO_PORT60, GPIO_PORT61, GPIO_PORT62, GPIO_PORT63, GPIO_PORT64,
+	GPIO_PORT65, GPIO_PORT66, GPIO_PORT67, GPIO_PORT68, GPIO_PORT69,
+
+	GPIO_PORT70, GPIO_PORT71, GPIO_PORT72, GPIO_PORT73, GPIO_PORT74,
+	GPIO_PORT75, GPIO_PORT76, GPIO_PORT77, GPIO_PORT78, GPIO_PORT79,
+
+	GPIO_PORT80, GPIO_PORT81, GPIO_PORT82, GPIO_PORT83, GPIO_PORT84,
+	GPIO_PORT85, GPIO_PORT86, GPIO_PORT87, GPIO_PORT88, GPIO_PORT89,
+
+	GPIO_PORT90, GPIO_PORT91, GPIO_PORT92, GPIO_PORT93, GPIO_PORT94,
+	GPIO_PORT95, GPIO_PORT96, GPIO_PORT97, GPIO_PORT98, GPIO_PORT99,
+
+	GPIO_PORT100, GPIO_PORT101, GPIO_PORT102, GPIO_PORT103, GPIO_PORT104,
+	GPIO_PORT105, GPIO_PORT106, GPIO_PORT107, GPIO_PORT108, GPIO_PORT109,
+
+	GPIO_PORT110, GPIO_PORT111, GPIO_PORT112, GPIO_PORT113, GPIO_PORT114,
+	GPIO_PORT115, GPIO_PORT116, GPIO_PORT117, GPIO_PORT118, GPIO_PORT119,
+
+	GPIO_PORT120, GPIO_PORT121, GPIO_PORT122, GPIO_PORT123, GPIO_PORT124,
+	GPIO_PORT125, GPIO_PORT126, GPIO_PORT127, GPIO_PORT128, GPIO_PORT129,
+
+	GPIO_PORT130, GPIO_PORT131, GPIO_PORT132, GPIO_PORT133, GPIO_PORT134,
+	GPIO_PORT135, GPIO_PORT136, GPIO_PORT137, GPIO_PORT138, GPIO_PORT139,
+
+	GPIO_PORT140, GPIO_PORT141, GPIO_PORT142, GPIO_PORT143, GPIO_PORT144,
+	GPIO_PORT145, GPIO_PORT146, GPIO_PORT147, GPIO_PORT148, GPIO_PORT149,
+
+	GPIO_PORT150, GPIO_PORT151, GPIO_PORT152, GPIO_PORT153, GPIO_PORT154,
+	GPIO_PORT155, GPIO_PORT156, GPIO_PORT157, GPIO_PORT158, GPIO_PORT159,
+
+	GPIO_PORT160, GPIO_PORT161, GPIO_PORT162, GPIO_PORT163, GPIO_PORT164,
+	GPIO_PORT165, GPIO_PORT166, GPIO_PORT167, GPIO_PORT168, GPIO_PORT169,
+
+	GPIO_PORT170, GPIO_PORT171, GPIO_PORT172, GPIO_PORT173, GPIO_PORT174,
+	GPIO_PORT175, GPIO_PORT176, GPIO_PORT177, GPIO_PORT178, GPIO_PORT179,
+
+	GPIO_PORT180, GPIO_PORT181, GPIO_PORT182, GPIO_PORT183, GPIO_PORT184,
+	GPIO_PORT185, GPIO_PORT186, GPIO_PORT187, GPIO_PORT188, GPIO_PORT189,
+
+	GPIO_PORT190, GPIO_PORT191, GPIO_PORT192, GPIO_PORT193, GPIO_PORT194,
+	GPIO_PORT195, GPIO_PORT196, GPIO_PORT197, GPIO_PORT198, GPIO_PORT199,
+
+	GPIO_PORT200, GPIO_PORT201, GPIO_PORT202, GPIO_PORT203, GPIO_PORT204,
+	GPIO_PORT205, GPIO_PORT206, GPIO_PORT207, GPIO_PORT208, GPIO_PORT209,
+
+	GPIO_PORT210, GPIO_PORT211, GPIO_PORT212, GPIO_PORT213, GPIO_PORT214,
+	GPIO_PORT215, GPIO_PORT216, GPIO_PORT217, GPIO_PORT218, GPIO_PORT219,
+
+	GPIO_PORT220, GPIO_PORT221, GPIO_PORT222, GPIO_PORT223, GPIO_PORT224,
+	GPIO_PORT225, GPIO_PORT226, GPIO_PORT227, GPIO_PORT228, GPIO_PORT229,
+
+	GPIO_PORT230, GPIO_PORT231, GPIO_PORT232, GPIO_PORT233, GPIO_PORT234,
+	GPIO_PORT235, GPIO_PORT236, GPIO_PORT237, GPIO_PORT238, GPIO_PORT239,
+
+	GPIO_PORT240, GPIO_PORT241, GPIO_PORT242, GPIO_PORT243, GPIO_PORT244,
+	GPIO_PORT245, GPIO_PORT246, GPIO_PORT247, GPIO_PORT248, GPIO_PORT249,
+
+	GPIO_PORT250, GPIO_PORT251, GPIO_PORT252, GPIO_PORT253, GPIO_PORT254,
+	GPIO_PORT255, GPIO_PORT256, GPIO_PORT257, GPIO_PORT258, GPIO_PORT259,
+
+	GPIO_PORT260, GPIO_PORT261, GPIO_PORT262, GPIO_PORT263, GPIO_PORT264,
+	GPIO_PORT265, GPIO_PORT266, GPIO_PORT267, GPIO_PORT268, GPIO_PORT269,
+
+	GPIO_PORT270, GPIO_PORT271, GPIO_PORT272,
+
+	/* Special Pull-up / Pull-down Functions */
+	GPIO_FN_PORT48_KEYIN0_PU, GPIO_FN_PORT49_KEYIN1_PU,
+	GPIO_FN_PORT50_KEYIN2_PU, GPIO_FN_PORT55_KEYIN3_PU,
+	GPIO_FN_PORT56_KEYIN4_PU, GPIO_FN_PORT57_KEYIN5_PU,
+	GPIO_FN_PORT58_KEYIN6_PU,
+
+	/* 49-1 (FN) */
+	GPIO_FN_VBUS0, GPIO_FN_CPORT0, GPIO_FN_CPORT1, GPIO_FN_CPORT2,
+	GPIO_FN_CPORT3, GPIO_FN_CPORT4, GPIO_FN_CPORT5, GPIO_FN_CPORT6,
+	GPIO_FN_CPORT7, GPIO_FN_CPORT8, GPIO_FN_CPORT9, GPIO_FN_CPORT10,
+	GPIO_FN_CPORT11, GPIO_FN_SIN2, GPIO_FN_CPORT12, GPIO_FN_XCTS2,
+	GPIO_FN_CPORT13, GPIO_FN_RFSPO4, GPIO_FN_CPORT14, GPIO_FN_RFSPO5,
+	GPIO_FN_CPORT15, GPIO_FN_CPORT16, GPIO_FN_CPORT17, GPIO_FN_SOUT2,
+	GPIO_FN_CPORT18, GPIO_FN_XRTS2, GPIO_FN_CPORT19, GPIO_FN_CPORT20,
+	GPIO_FN_RFSPO6, GPIO_FN_CPORT21, GPIO_FN_STATUS0, GPIO_FN_CPORT22,
+	GPIO_FN_STATUS1, GPIO_FN_CPORT23, GPIO_FN_STATUS2, GPIO_FN_RFSPO7,
+	GPIO_FN_MPORT0, GPIO_FN_MPORT1, GPIO_FN_B_SYNLD1, GPIO_FN_B_SYNLD2,
+	GPIO_FN_XMAINPS, GPIO_FN_XDIVPS, GPIO_FN_XIDRST, GPIO_FN_IDCLK,
+	GPIO_FN_IDIO, GPIO_FN_SOUT1, GPIO_FN_SCIFA4_TXD,
+	GPIO_FN_M02_BERDAT, GPIO_FN_SIN1, GPIO_FN_SCIFA4_RXD, GPIO_FN_XWUP,
+	GPIO_FN_XRTS1, GPIO_FN_SCIFA4_RTS, GPIO_FN_M03_BERCLK,
+	GPIO_FN_XCTS1, GPIO_FN_SCIFA4_CTS,
+
+	/* 49-2 (FN) */
+	GPIO_FN_HSU_IQ_AGC6, GPIO_FN_MFG2_IN2, GPIO_FN_MSIOF2_MCK0,
+	GPIO_FN_HSU_IQ_AGC5, GPIO_FN_MFG2_IN1, GPIO_FN_MSIOF2_MCK1,
+	GPIO_FN_HSU_IQ_AGC4, GPIO_FN_MSIOF2_RSYNC,
+	GPIO_FN_HSU_IQ_AGC3, GPIO_FN_MFG2_OUT1, GPIO_FN_MSIOF2_RSCK,
+	GPIO_FN_HSU_IQ_AGC2, GPIO_FN_PORT42_KEYOUT0,
+	GPIO_FN_HSU_IQ_AGC1, GPIO_FN_PORT43_KEYOUT1,
+	GPIO_FN_HSU_IQ_AGC0, GPIO_FN_PORT44_KEYOUT2,
+	GPIO_FN_HSU_IQ_AGC_ST, GPIO_FN_PORT45_KEYOUT3,
+	GPIO_FN_HSU_IQ_PDO, GPIO_FN_PORT46_KEYOUT4,
+	GPIO_FN_HSU_IQ_PYO, GPIO_FN_PORT47_KEYOUT5,
+	GPIO_FN_HSU_EN_TXMUX_G3MO, GPIO_FN_PORT48_KEYIN0,
+	GPIO_FN_HSU_I_TXMUX_G3MO, GPIO_FN_PORT49_KEYIN1,
+	GPIO_FN_HSU_Q_TXMUX_G3MO, GPIO_FN_PORT50_KEYIN2,
+	GPIO_FN_HSU_SYO, GPIO_FN_PORT51_MSIOF2_TSYNC,
+	GPIO_FN_HSU_SDO, GPIO_FN_PORT52_MSIOF2_TSCK,
+	GPIO_FN_HSU_TGTTI_G3MO, GPIO_FN_PORT53_MSIOF2_TXD,
+	GPIO_FN_B_TIME_STAMP, GPIO_FN_PORT54_MSIOF2_RXD,
+	GPIO_FN_HSU_SDI, GPIO_FN_PORT55_KEYIN3,
+	GPIO_FN_HSU_SCO, GPIO_FN_PORT56_KEYIN4,
+	GPIO_FN_HSU_DREQ, GPIO_FN_PORT57_KEYIN5,
+	GPIO_FN_HSU_DACK, GPIO_FN_PORT58_KEYIN6,
+	GPIO_FN_HSU_CLK61M, GPIO_FN_PORT59_MSIOF2_SS1,
+	GPIO_FN_HSU_XRST, GPIO_FN_PORT60_MSIOF2_SS2,
+	GPIO_FN_PCMCLKO, GPIO_FN_SYNC8KO, GPIO_FN_DNPCM_A, GPIO_FN_UPPCM_A,
+	GPIO_FN_XTALB1L,
+	GPIO_FN_GPS_AGC1, GPIO_FN_SCIFA0_RTS,
+	GPIO_FN_GPS_AGC2, GPIO_FN_SCIFA0_SCK,
+	GPIO_FN_GPS_AGC3, GPIO_FN_SCIFA0_TXD,
+	GPIO_FN_GPS_AGC4, GPIO_FN_SCIFA0_RXD,
+	GPIO_FN_GPS_PWRD, GPIO_FN_SCIFA0_CTS,
+	GPIO_FN_GPS_IM, GPIO_FN_GPS_IS, GPIO_FN_GPS_QM, GPIO_FN_GPS_QS,
+	GPIO_FN_SIUBOMC, GPIO_FN_TPU2TO0,
+	GPIO_FN_SIUCKB, GPIO_FN_TPU2TO1,
+	GPIO_FN_SIUBOLR, GPIO_FN_BBIF2_TSYNC, GPIO_FN_TPU2TO2,
+	GPIO_FN_SIUBOBT, GPIO_FN_BBIF2_TSCK, GPIO_FN_TPU2TO3,
+	GPIO_FN_SIUBOSLD, GPIO_FN_BBIF2_TXD, GPIO_FN_TPU3TO0,
+	GPIO_FN_SIUBILR, GPIO_FN_TPU3TO1,
+	GPIO_FN_SIUBIBT, GPIO_FN_TPU3TO2,
+	GPIO_FN_SIUBISLD, GPIO_FN_TPU3TO3,
+	GPIO_FN_NMI, GPIO_FN_TPU4TO0,
+	GPIO_FN_DNPCM_M, GPIO_FN_TPU4TO1, GPIO_FN_TPU4TO2, GPIO_FN_TPU4TO3,
+	GPIO_FN_IRQ_TMPB,
+	GPIO_FN_PWEN, GPIO_FN_MFG1_OUT1,
+	GPIO_FN_OVCN, GPIO_FN_MFG1_IN1,
+	GPIO_FN_OVCN2, GPIO_FN_MFG1_IN2,
+
+	/* 49-3 (FN) */
+	GPIO_FN_RFSPO1, GPIO_FN_RFSPO2, GPIO_FN_RFSPO3, GPIO_FN_PORT93_VIO_CKO2,
+	GPIO_FN_USBTERM, GPIO_FN_EXTLP, GPIO_FN_IDIN,
+	GPIO_FN_SCIFA5_CTS, GPIO_FN_MFG0_IN1,
+	GPIO_FN_SCIFA5_RTS, GPIO_FN_MFG0_IN2,
+	GPIO_FN_SCIFA5_RXD,
+	GPIO_FN_SCIFA5_TXD,
+	GPIO_FN_SCIFA5_SCK, GPIO_FN_MFG0_OUT1,
+	GPIO_FN_A0_EA0, GPIO_FN_BS,
+	GPIO_FN_A14_EA14, GPIO_FN_PORT102_KEYOUT0,
+	GPIO_FN_A15_EA15, GPIO_FN_PORT103_KEYOUT1, GPIO_FN_DV_CLKOL,
+	GPIO_FN_A16_EA16, GPIO_FN_PORT104_KEYOUT2,
+	GPIO_FN_DV_VSYNCL, GPIO_FN_MSIOF0_SS1,
+	GPIO_FN_A17_EA17, GPIO_FN_PORT105_KEYOUT3,
+	GPIO_FN_DV_HSYNCL, GPIO_FN_MSIOF0_TSYNC,
+	GPIO_FN_A18_EA18, GPIO_FN_PORT106_KEYOUT4,
+	GPIO_FN_DV_DL0, GPIO_FN_MSIOF0_TSCK,
+	GPIO_FN_A19_EA19, GPIO_FN_PORT107_KEYOUT5,
+	GPIO_FN_DV_DL1, GPIO_FN_MSIOF0_TXD,
+	GPIO_FN_A20_EA20, GPIO_FN_PORT108_KEYIN0,
+	GPIO_FN_DV_DL2, GPIO_FN_MSIOF0_RSCK,
+	GPIO_FN_A21_EA21, GPIO_FN_PORT109_KEYIN1,
+	GPIO_FN_DV_DL3, GPIO_FN_MSIOF0_RSYNC,
+	GPIO_FN_A22_EA22, GPIO_FN_PORT110_KEYIN2,
+	GPIO_FN_DV_DL4, GPIO_FN_MSIOF0_MCK0,
+	GPIO_FN_A23_EA23, GPIO_FN_PORT111_KEYIN3,
+	GPIO_FN_DV_DL5, GPIO_FN_MSIOF0_MCK1,
+	GPIO_FN_A24_EA24, GPIO_FN_PORT112_KEYIN4,
+	GPIO_FN_DV_DL6, GPIO_FN_MSIOF0_RXD,
+	GPIO_FN_A25_EA25, GPIO_FN_PORT113_KEYIN5,
+	GPIO_FN_DV_DL7, GPIO_FN_MSIOF0_SS2,
+	GPIO_FN_A26, GPIO_FN_PORT113_KEYIN6, GPIO_FN_DV_CLKIL,
+	GPIO_FN_D0_ED0_NAF0, GPIO_FN_D1_ED1_NAF1, GPIO_FN_D2_ED2_NAF2,
+	GPIO_FN_D3_ED3_NAF3, GPIO_FN_D4_ED4_NAF4, GPIO_FN_D5_ED5_NAF5,
+	GPIO_FN_D6_ED6_NAF6, GPIO_FN_D7_ED7_NAF7, GPIO_FN_D8_ED8_NAF8,
+	GPIO_FN_D9_ED9_NAF9, GPIO_FN_D10_ED10_NAF10, GPIO_FN_D11_ED11_NAF11,
+	GPIO_FN_D12_ED12_NAF12, GPIO_FN_D13_ED13_NAF13,
+	GPIO_FN_D14_ED14_NAF14, GPIO_FN_D15_ED15_NAF15,
+	GPIO_FN_CS4, GPIO_FN_CS5A, GPIO_FN_CS5B, GPIO_FN_FCE1,
+	GPIO_FN_CS6B, GPIO_FN_XCS2, GPIO_FN_FCE0, GPIO_FN_CS6A,
+	GPIO_FN_DACK0, GPIO_FN_WAIT, GPIO_FN_DREQ0, GPIO_FN_RD_XRD,
+	GPIO_FN_A27, GPIO_FN_RDWR_XWE, GPIO_FN_WE0_XWR0_FWE,
+	GPIO_FN_WE1_XWR1, GPIO_FN_FRB, GPIO_FN_CKO,
+	GPIO_FN_NBRSTOUT, GPIO_FN_NBRST,
+
+	/* 49-4 (FN) */
+	GPIO_FN_RFSPO0, GPIO_FN_PORT146_VIO_CKO2, GPIO_FN_TSTMD,
+	GPIO_FN_VIO_VD, GPIO_FN_VIO_HD,
+	GPIO_FN_VIO_D0, GPIO_FN_VIO_D1, GPIO_FN_VIO_D2,
+	GPIO_FN_VIO_D3, GPIO_FN_VIO_D4, GPIO_FN_VIO_D5,
+	GPIO_FN_VIO_D6, GPIO_FN_VIO_D7, GPIO_FN_VIO_D8,
+	GPIO_FN_VIO_D9, GPIO_FN_VIO_D10, GPIO_FN_VIO_D11,
+	GPIO_FN_VIO_D12, GPIO_FN_VIO_D13, GPIO_FN_VIO_D14,
+	GPIO_FN_VIO_D15, GPIO_FN_VIO_CLK, GPIO_FN_VIO_FIELD,
+	GPIO_FN_VIO_CKO,
+	GPIO_FN_MFG3_IN1, GPIO_FN_MFG3_IN2,
+	GPIO_FN_M9_SLCD_A01, GPIO_FN_MFG3_OUT1, GPIO_FN_TPU0TO0,
+	GPIO_FN_M10_SLCD_CK1, GPIO_FN_MFG4_IN1, GPIO_FN_TPU0TO1,
+	GPIO_FN_M11_SLCD_SO1, GPIO_FN_MFG4_IN2, GPIO_FN_TPU0TO2,
+	GPIO_FN_M12_SLCD_CE1, GPIO_FN_MFG4_OUT1, GPIO_FN_TPU0TO3,
+	GPIO_FN_LCDD0, GPIO_FN_PORT175_KEYOUT0, GPIO_FN_DV_D0,
+	GPIO_FN_SIUCKA, GPIO_FN_MFG0_OUT2,
+	GPIO_FN_LCDD1, GPIO_FN_PORT176_KEYOUT1, GPIO_FN_DV_D1,
+	GPIO_FN_SIUAOLR, GPIO_FN_BBIF2_TSYNC1,
+	GPIO_FN_LCDD2, GPIO_FN_PORT177_KEYOUT2, GPIO_FN_DV_D2,
+	GPIO_FN_SIUAOBT, GPIO_FN_BBIF2_TSCK1,
+	GPIO_FN_LCDD3, GPIO_FN_PORT178_KEYOUT3, GPIO_FN_DV_D3,
+	GPIO_FN_SIUAOSLD, GPIO_FN_BBIF2_TXD1,
+	GPIO_FN_LCDD4, GPIO_FN_PORT179_KEYOUT4, GPIO_FN_DV_D4,
+	GPIO_FN_SIUAISPD, GPIO_FN_MFG1_OUT2,
+	GPIO_FN_LCDD5, GPIO_FN_PORT180_KEYOUT5, GPIO_FN_DV_D5,
+	GPIO_FN_SIUAILR, GPIO_FN_MFG2_OUT2,
+	GPIO_FN_LCDD6, GPIO_FN_DV_D6,
+	GPIO_FN_SIUAIBT, GPIO_FN_MFG3_OUT2, GPIO_FN_XWR2,
+	GPIO_FN_LCDD7, GPIO_FN_DV_D7,
+	GPIO_FN_SIUAISLD, GPIO_FN_MFG4_OUT2, GPIO_FN_XWR3,
+	GPIO_FN_LCDD8, GPIO_FN_DV_D8, GPIO_FN_D16, GPIO_FN_ED16,
+	GPIO_FN_LCDD9, GPIO_FN_DV_D9, GPIO_FN_D17, GPIO_FN_ED17,
+	GPIO_FN_LCDD10, GPIO_FN_DV_D10, GPIO_FN_D18, GPIO_FN_ED18,
+	GPIO_FN_LCDD11, GPIO_FN_DV_D11, GPIO_FN_D19, GPIO_FN_ED19,
+	GPIO_FN_LCDD12, GPIO_FN_DV_D12, GPIO_FN_D20, GPIO_FN_ED20,
+	GPIO_FN_LCDD13, GPIO_FN_DV_D13, GPIO_FN_D21, GPIO_FN_ED21,
+	GPIO_FN_LCDD14, GPIO_FN_DV_D14, GPIO_FN_D22, GPIO_FN_ED22,
+	GPIO_FN_LCDD15, GPIO_FN_DV_D15, GPIO_FN_D23, GPIO_FN_ED23,
+	GPIO_FN_LCDD16, GPIO_FN_DV_HSYNC, GPIO_FN_D24, GPIO_FN_ED24,
+	GPIO_FN_LCDD17, GPIO_FN_DV_VSYNC, GPIO_FN_D25, GPIO_FN_ED25,
+	GPIO_FN_LCDD18, GPIO_FN_DREQ2, GPIO_FN_MSIOF0L_TSCK,
+	GPIO_FN_D26, GPIO_FN_ED26,
+	GPIO_FN_LCDD19, GPIO_FN_MSIOF0L_TSYNC,
+	GPIO_FN_D27, GPIO_FN_ED27,
+	GPIO_FN_LCDD20, GPIO_FN_TS_SPSYNC1, GPIO_FN_MSIOF0L_MCK0,
+	GPIO_FN_D28, GPIO_FN_ED28,
+	GPIO_FN_LCDD21, GPIO_FN_TS_SDAT1, GPIO_FN_MSIOF0L_MCK1,
+	GPIO_FN_D29, GPIO_FN_ED29,
+	GPIO_FN_LCDD22, GPIO_FN_TS_SDEN1, GPIO_FN_MSIOF0L_SS1,
+	GPIO_FN_D30, GPIO_FN_ED30,
+	GPIO_FN_LCDD23, GPIO_FN_TS_SCK1, GPIO_FN_MSIOF0L_SS2,
+	GPIO_FN_D31, GPIO_FN_ED31,
+	GPIO_FN_LCDDCK, GPIO_FN_LCDWR, GPIO_FN_DV_CKO, GPIO_FN_SIUAOSPD,
+	GPIO_FN_LCDRD, GPIO_FN_DACK2, GPIO_FN_MSIOF0L_RSYNC,
+
+
+	/* 49-5 (FN) */
+	GPIO_FN_LCDHSYN, GPIO_FN_LCDCS, GPIO_FN_LCDCS2, GPIO_FN_DACK3,
+	GPIO_FN_LCDDISP, GPIO_FN_LCDRS, GPIO_FN_DREQ3, GPIO_FN_MSIOF0L_RSCK,
+	GPIO_FN_LCDCSYN, GPIO_FN_LCDCSYN2, GPIO_FN_DV_CKI,
+	GPIO_FN_LCDLCLK, GPIO_FN_DREQ1, GPIO_FN_MSIOF0L_RXD,
+	GPIO_FN_LCDDON, GPIO_FN_LCDDON2, GPIO_FN_DACK1, GPIO_FN_MSIOF0L_TXD,
+	GPIO_FN_VIO_DR0, GPIO_FN_VIO_DR1, GPIO_FN_VIO_DR2, GPIO_FN_VIO_DR3,
+	GPIO_FN_VIO_DR4, GPIO_FN_VIO_DR5, GPIO_FN_VIO_DR6, GPIO_FN_VIO_DR7,
+	GPIO_FN_VIO_VDR, GPIO_FN_VIO_HDR,
+	GPIO_FN_VIO_CLKR, GPIO_FN_VIO_CKOR,
+	GPIO_FN_SCIFA1_TXD, GPIO_FN_GPS_PGFA0,
+	GPIO_FN_SCIFA1_SCK, GPIO_FN_GPS_PGFA1,
+	GPIO_FN_SCIFA1_RTS, GPIO_FN_GPS_EPPSINMON,
+	GPIO_FN_SCIFA1_RXD, GPIO_FN_SCIFA1_CTS,
+	GPIO_FN_MSIOF1_TXD, GPIO_FN_SCIFA1_TXD2, GPIO_FN_GPS_TXD,
+	GPIO_FN_MSIOF1_TSYNC, GPIO_FN_SCIFA1_CTS2, GPIO_FN_I2C_SDA2,
+	GPIO_FN_MSIOF1_TSCK, GPIO_FN_SCIFA1_SCK2,
+	GPIO_FN_MSIOF1_RXD, GPIO_FN_SCIFA1_RXD2, GPIO_FN_GPS_RXD,
+	GPIO_FN_MSIOF1_RSCK, GPIO_FN_SCIFA1_RTS2,
+	GPIO_FN_MSIOF1_RSYNC, GPIO_FN_I2C_SCL2,
+	GPIO_FN_MSIOF1_MCK0, GPIO_FN_MSIOF1_MCK1,
+	GPIO_FN_MSIOF1_SS1, GPIO_FN_EDBGREQ3,
+	GPIO_FN_MSIOF1_SS2,
+	GPIO_FN_PORT236_IROUT, GPIO_FN_IRDA_OUT,
+	GPIO_FN_IRDA_IN, GPIO_FN_IRDA_FIRSEL,
+	GPIO_FN_TPU1TO0, GPIO_FN_TS_SPSYNC3,
+	GPIO_FN_TPU1TO1, GPIO_FN_TS_SDAT3,
+	GPIO_FN_TPU1TO2, GPIO_FN_TS_SDEN3, GPIO_FN_PORT241_MSIOF2_SS1,
+	GPIO_FN_TPU1TO3, GPIO_FN_PORT242_MSIOF2_TSCK,
+	GPIO_FN_M13_BSW, GPIO_FN_PORT243_MSIOF2_TSYNC,
+	GPIO_FN_M14_GSW, GPIO_FN_PORT244_MSIOF2_TXD,
+	GPIO_FN_PORT245_IROUT, GPIO_FN_M15_RSW,
+	GPIO_FN_SOUT3, GPIO_FN_SCIFA2_TXD1,
+	GPIO_FN_SIN3, GPIO_FN_SCIFA2_RXD1,
+	GPIO_FN_XRTS3, GPIO_FN_SCIFA2_RTS1, GPIO_FN_PORT248_MSIOF2_SS2,
+	GPIO_FN_XCTS3, GPIO_FN_SCIFA2_CTS1, GPIO_FN_PORT249_MSIOF2_RXD,
+	GPIO_FN_DINT, GPIO_FN_SCIFA2_SCK1, GPIO_FN_TS_SCK3,
+	GPIO_FN_SDHICLK0, GPIO_FN_TCK2,
+	GPIO_FN_SDHICD0,
+	GPIO_FN_SDHID0_0, GPIO_FN_TMS2,
+	GPIO_FN_SDHID0_1, GPIO_FN_TDO2,
+	GPIO_FN_SDHID0_2, GPIO_FN_TDI2,
+	GPIO_FN_SDHID0_3, GPIO_FN_RTCK2,
+
+	/* 49-6 (FN) */
+	GPIO_FN_SDHICMD0, GPIO_FN_TRST2,
+	GPIO_FN_SDHIWP0, GPIO_FN_EDBGREQ2,
+	GPIO_FN_SDHICLK1, GPIO_FN_TCK3,
+	GPIO_FN_SDHID1_0, GPIO_FN_M11_SLCD_SO2,
+	GPIO_FN_TS_SPSYNC2, GPIO_FN_TMS3,
+	GPIO_FN_SDHID1_1, GPIO_FN_M9_SLCD_AO2,
+	GPIO_FN_TS_SDAT2, GPIO_FN_TDO3,
+	GPIO_FN_SDHID1_2, GPIO_FN_M10_SLCD_CK2,
+	GPIO_FN_TS_SDEN2, GPIO_FN_TDI3,
+	GPIO_FN_SDHID1_3, GPIO_FN_M12_SLCD_CE2,
+	GPIO_FN_TS_SCK2, GPIO_FN_RTCK3,
+	GPIO_FN_SDHICMD1, GPIO_FN_TRST3,
+	GPIO_FN_SDHICLK2, GPIO_FN_SCIFB_SCK,
+	GPIO_FN_SDHID2_0, GPIO_FN_SCIFB_TXD,
+	GPIO_FN_SDHID2_1, GPIO_FN_SCIFB_CTS,
+	GPIO_FN_SDHID2_2, GPIO_FN_SCIFB_RXD,
+	GPIO_FN_SDHID2_3, GPIO_FN_SCIFB_RTS,
+	GPIO_FN_SDHICMD2,
+	GPIO_FN_RESETOUTS,
+	GPIO_FN_DIVLOCK,
+};
+
+#endif /* __ASM_SH7367_H__ */
diff --git a/arch/arm/mach-shmobile/include/mach/sh7372.h b/arch/arm/mach-shmobile/include/mach/sh7372.h
new file mode 100644
index 000000000000..dc34f00c56b8
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/sh7372.h
@@ -0,0 +1,434 @@
+/*
+ * Copyright (C) 2010 Renesas Solutions Corp.
+ *
+ * Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef __ASM_SH7372_H__
+#define __ASM_SH7372_H__
+
+/*
+ * Pin Function Controller:
+ *	GPIO_FN_xx - GPIO used to select pin function
+ *	GPIO_PORTxx - GPIO mapped to real I/O pin on CPU
+ */
+enum {
+	/* PORT */
+	GPIO_PORT0, GPIO_PORT1, GPIO_PORT2, GPIO_PORT3, GPIO_PORT4,
+	GPIO_PORT5, GPIO_PORT6, GPIO_PORT7, GPIO_PORT8, GPIO_PORT9,
+
+	GPIO_PORT10, GPIO_PORT11, GPIO_PORT12, GPIO_PORT13, GPIO_PORT14,
+	GPIO_PORT15, GPIO_PORT16, GPIO_PORT17, GPIO_PORT18, GPIO_PORT19,
+
+	GPIO_PORT20, GPIO_PORT21, GPIO_PORT22, GPIO_PORT23, GPIO_PORT24,
+	GPIO_PORT25, GPIO_PORT26, GPIO_PORT27, GPIO_PORT28, GPIO_PORT29,
+
+	GPIO_PORT30, GPIO_PORT31, GPIO_PORT32, GPIO_PORT33, GPIO_PORT34,
+	GPIO_PORT35, GPIO_PORT36, GPIO_PORT37, GPIO_PORT38, GPIO_PORT39,
+
+	GPIO_PORT40, GPIO_PORT41, GPIO_PORT42, GPIO_PORT43, GPIO_PORT44,
+	GPIO_PORT45, GPIO_PORT46, GPIO_PORT47, GPIO_PORT48, GPIO_PORT49,
+
+	GPIO_PORT50, GPIO_PORT51, GPIO_PORT52, GPIO_PORT53, GPIO_PORT54,
+	GPIO_PORT55, GPIO_PORT56, GPIO_PORT57, GPIO_PORT58, GPIO_PORT59,
+
+	GPIO_PORT60, GPIO_PORT61, GPIO_PORT62, GPIO_PORT63, GPIO_PORT64,
+	GPIO_PORT65, GPIO_PORT66, GPIO_PORT67, GPIO_PORT68, GPIO_PORT69,
+
+	GPIO_PORT70, GPIO_PORT71, GPIO_PORT72, GPIO_PORT73, GPIO_PORT74,
+	GPIO_PORT75, GPIO_PORT76, GPIO_PORT77, GPIO_PORT78, GPIO_PORT79,
+
+	GPIO_PORT80, GPIO_PORT81, GPIO_PORT82, GPIO_PORT83, GPIO_PORT84,
+	GPIO_PORT85, GPIO_PORT86, GPIO_PORT87, GPIO_PORT88, GPIO_PORT89,
+
+	GPIO_PORT90, GPIO_PORT91, GPIO_PORT92, GPIO_PORT93, GPIO_PORT94,
+	GPIO_PORT95, GPIO_PORT96, GPIO_PORT97, GPIO_PORT98, GPIO_PORT99,
+
+	GPIO_PORT100, GPIO_PORT101, GPIO_PORT102, GPIO_PORT103, GPIO_PORT104,
+	GPIO_PORT105, GPIO_PORT106, GPIO_PORT107, GPIO_PORT108, GPIO_PORT109,
+
+	GPIO_PORT110, GPIO_PORT111, GPIO_PORT112, GPIO_PORT113, GPIO_PORT114,
+	GPIO_PORT115, GPIO_PORT116, GPIO_PORT117, GPIO_PORT118, GPIO_PORT119,
+
+	GPIO_PORT120, GPIO_PORT121, GPIO_PORT122, GPIO_PORT123, GPIO_PORT124,
+	GPIO_PORT125, GPIO_PORT126, GPIO_PORT127, GPIO_PORT128, GPIO_PORT129,
+
+	GPIO_PORT130, GPIO_PORT131, GPIO_PORT132, GPIO_PORT133, GPIO_PORT134,
+	GPIO_PORT135, GPIO_PORT136, GPIO_PORT137, GPIO_PORT138, GPIO_PORT139,
+
+	GPIO_PORT140, GPIO_PORT141, GPIO_PORT142, GPIO_PORT143, GPIO_PORT144,
+	GPIO_PORT145, GPIO_PORT146, GPIO_PORT147, GPIO_PORT148, GPIO_PORT149,
+
+	GPIO_PORT150, GPIO_PORT151, GPIO_PORT152, GPIO_PORT153, GPIO_PORT154,
+	GPIO_PORT155, GPIO_PORT156, GPIO_PORT157, GPIO_PORT158, GPIO_PORT159,
+
+	GPIO_PORT160, GPIO_PORT161, GPIO_PORT162, GPIO_PORT163, GPIO_PORT164,
+	GPIO_PORT165, GPIO_PORT166, GPIO_PORT167, GPIO_PORT168, GPIO_PORT169,
+
+	GPIO_PORT170, GPIO_PORT171, GPIO_PORT172, GPIO_PORT173, GPIO_PORT174,
+	GPIO_PORT175, GPIO_PORT176, GPIO_PORT177, GPIO_PORT178, GPIO_PORT179,
+
+	GPIO_PORT180, GPIO_PORT181, GPIO_PORT182, GPIO_PORT183, GPIO_PORT184,
+	GPIO_PORT185, GPIO_PORT186, GPIO_PORT187, GPIO_PORT188, GPIO_PORT189,
+
+	GPIO_PORT190,
+
+	/* IRQ */
+	GPIO_FN_IRQ0_6,		/* PORT   6 */
+	GPIO_FN_IRQ0_162,	/* PORT 162 */
+	GPIO_FN_IRQ1,		/* PORT  12 */
+	GPIO_FN_IRQ2_4,		/* PORT   4 */
+	GPIO_FN_IRQ2_5,		/* PORT   5 */
+	GPIO_FN_IRQ3_8,		/* PORT   8 */
+	GPIO_FN_IRQ3_16,	/* PORT  16 */
+	GPIO_FN_IRQ4_17,	/* PORT  17 */
+	GPIO_FN_IRQ4_163,	/* PORT 163 */
+	GPIO_FN_IRQ5,		/* PORT  18 */
+	GPIO_FN_IRQ6_39,	/* PORT  39 */
+	GPIO_FN_IRQ6_164,	/* PORT 164 */
+	GPIO_FN_IRQ7_40,	/* PORT  40 */
+	GPIO_FN_IRQ7_167,	/* PORT 167 */
+	GPIO_FN_IRQ8_41,	/* PORT  41 */
+	GPIO_FN_IRQ8_168,	/* PORT 168 */
+	GPIO_FN_IRQ9_42,	/* PORT  42 */
+	GPIO_FN_IRQ9_169,	/* PORT 169 */
+	GPIO_FN_IRQ10,		/* PORT  65 */
+	GPIO_FN_IRQ11,		/* PORT  67 */
+	GPIO_FN_IRQ12_80,	/* PORT  80 */
+	GPIO_FN_IRQ12_137,	/* PORT 137 */
+	GPIO_FN_IRQ13_81,	/* PORT  81 */
+	GPIO_FN_IRQ13_145,	/* PORT 145 */
+	GPIO_FN_IRQ14_82,	/* PORT  82 */
+	GPIO_FN_IRQ14_146,	/* PORT 146 */
+	GPIO_FN_IRQ15_83,	/* PORT  83 */
+	GPIO_FN_IRQ15_147,	/* PORT 147 */
+	GPIO_FN_IRQ16_84,	/* PORT  84 */
+	GPIO_FN_IRQ16_170,	/* PORT 170 */
+	GPIO_FN_IRQ17,		/* PORT  85 */
+	GPIO_FN_IRQ18,		/* PORT  86 */
+	GPIO_FN_IRQ19,		/* PORT  87 */
+	GPIO_FN_IRQ20,		/* PORT  92 */
+	GPIO_FN_IRQ21,		/* PORT  93 */
+	GPIO_FN_IRQ22,		/* PORT  94 */
+	GPIO_FN_IRQ23,		/* PORT  95 */
+	GPIO_FN_IRQ24,		/* PORT 112 */
+	GPIO_FN_IRQ25,		/* PORT 119 */
+	GPIO_FN_IRQ26_121,	/* PORT 121 */
+	GPIO_FN_IRQ26_172,	/* PORT 172 */
+	GPIO_FN_IRQ27_122,	/* PORT 122 */
+	GPIO_FN_IRQ27_180,	/* PORT 180 */
+	GPIO_FN_IRQ28_123,	/* PORT 123 */
+	GPIO_FN_IRQ28_181,	/* PORT 181 */
+	GPIO_FN_IRQ29_129,	/* PORT 129 */
+	GPIO_FN_IRQ29_182,	/* PORT 182 */
+	GPIO_FN_IRQ30_130,	/* PORT 130 */
+	GPIO_FN_IRQ30_183,	/* PORT 183 */
+	GPIO_FN_IRQ31_138,	/* PORT 138 */
+	GPIO_FN_IRQ31_184,	/* PORT 184 */
+
+	/*
+	 * MSIOF0	(PORT 36, 37, 38, 39
+	 * 		      40, 41, 42, 43, 44, 45)
+	 */
+	GPIO_FN_MSIOF0_TSYNC,	GPIO_FN_MSIOF0_TSCK,
+	GPIO_FN_MSIOF0_RXD,	GPIO_FN_MSIOF0_RSCK,
+	GPIO_FN_MSIOF0_RSYNC,	GPIO_FN_MSIOF0_MCK0,
+	GPIO_FN_MSIOF0_MCK1,	GPIO_FN_MSIOF0_SS1,
+	GPIO_FN_MSIOF0_SS2,	GPIO_FN_MSIOF0_TXD,
+
+	/*
+	 * MSIOF1	(PORT 39, 40, 41, 42, 43, 44
+	 * 		      84, 85, 86, 87, 88, 89, 90, 91, 92, 93)
+	 */
+	GPIO_FN_MSIOF1_TSCK_39,	GPIO_FN_MSIOF1_TSYNC_40,
+	GPIO_FN_MSIOF1_TSCK_88,	GPIO_FN_MSIOF1_TSYNC_89,
+	GPIO_FN_MSIOF1_TXD_41,	GPIO_FN_MSIOF1_RXD_42,
+	GPIO_FN_MSIOF1_TXD_90,	GPIO_FN_MSIOF1_RXD_91,
+	GPIO_FN_MSIOF1_SS1_43,	GPIO_FN_MSIOF1_SS2_44,
+	GPIO_FN_MSIOF1_SS1_92,	GPIO_FN_MSIOF1_SS2_93,
+	GPIO_FN_MSIOF1_RSCK,	GPIO_FN_MSIOF1_RSYNC,
+	GPIO_FN_MSIOF1_MCK0,	GPIO_FN_MSIOF1_MCK1,
+
+	/*
+	 * MSIOF2	(PORT 134, 135, 136, 137, 138, 139
+	 *		      148, 149, 150, 151)
+	 */
+	GPIO_FN_MSIOF2_RSCK,	GPIO_FN_MSIOF2_RSYNC,
+	GPIO_FN_MSIOF2_MCK0,	GPIO_FN_MSIOF2_MCK1,
+	GPIO_FN_MSIOF2_SS1,	GPIO_FN_MSIOF2_SS2,
+	GPIO_FN_MSIOF2_TSYNC,	GPIO_FN_MSIOF2_TSCK,
+	GPIO_FN_MSIOF2_RXD,	GPIO_FN_MSIOF2_TXD,
+
+	/* MSIOF3	(PORT 76, 77, 78, 79, 80, 81, 82, 83) */
+	GPIO_FN_BBIF1_RXD,	GPIO_FN_BBIF1_TSYNC,
+	GPIO_FN_BBIF1_TSCK,	GPIO_FN_BBIF1_TXD,
+	GPIO_FN_BBIF1_RSCK,	GPIO_FN_BBIF1_RSYNC,
+	GPIO_FN_BBIF1_FLOW,	GPIO_FN_BB_RX_FLOW_N,
+
+	/* MSIOF4	(PORT 0, 1, 2, 3) */
+	GPIO_FN_BBIF2_TSCK1,	GPIO_FN_BBIF2_TSYNC1,
+	GPIO_FN_BBIF2_TXD1,	GPIO_FN_BBIF2_RXD,
+
+	/* FSI		(PORT 4, 5, 6, 7, 8, 9, 10, 11, 15) */
+	GPIO_FN_FSIACK,		GPIO_FN_FSIBCK,
+	GPIO_FN_FSIAILR,	GPIO_FN_FSIAIBT,
+	GPIO_FN_FSIAISLD,	GPIO_FN_FSIAOMC,
+	GPIO_FN_FSIAOLR,	GPIO_FN_FSIAOBT,
+	GPIO_FN_FSIAOSLD,	GPIO_FN_FSIASPDIF_11,
+	GPIO_FN_FSIASPDIF_15,
+
+	/* FMSI		(PORT 12, 13, 14, 15, 16, 17, 18, 65) */
+	GPIO_FN_FMSOCK,		GPIO_FN_FMSOOLR,
+	GPIO_FN_FMSIOLR,	GPIO_FN_FMSOOBT,
+	GPIO_FN_FMSIOBT,	GPIO_FN_FMSOSLD,
+	GPIO_FN_FMSOILR,	GPIO_FN_FMSIILR,
+	GPIO_FN_FMSOIBT,	GPIO_FN_FMSIIBT,
+	GPIO_FN_FMSISLD,	GPIO_FN_FMSICK,
+
+	/* SCIFA0	(PORT 152, 153, 156, 157, 158) */
+	GPIO_FN_SCIFA0_TXD,	GPIO_FN_SCIFA0_RXD,
+	GPIO_FN_SCIFA0_SCK,	GPIO_FN_SCIFA0_RTS,
+	GPIO_FN_SCIFA0_CTS,
+
+	/* SCIFA1	(PORT 154, 155, 159, 160, 161) */
+	GPIO_FN_SCIFA1_TXD,	GPIO_FN_SCIFA1_RXD,
+	GPIO_FN_SCIFA1_SCK,	GPIO_FN_SCIFA1_RTS,
+	GPIO_FN_SCIFA1_CTS,
+
+	/* SCIFA2	(PORT 94, 95, 96, 97, 98) */
+	GPIO_FN_SCIFA2_CTS1,	GPIO_FN_SCIFA2_RTS1,
+	GPIO_FN_SCIFA2_TXD1,	GPIO_FN_SCIFA2_RXD1,
+	GPIO_FN_SCIFA2_SCK1,
+
+	/* SCIFA3	(PORT 43, 44,
+			     140, 141, 142, 143, 144) */
+	GPIO_FN_SCIFA3_CTS_43,	GPIO_FN_SCIFA3_CTS_140,
+	GPIO_FN_SCIFA3_RTS_44,	GPIO_FN_SCIFA3_RTS_141,
+	GPIO_FN_SCIFA3_SCK,	GPIO_FN_SCIFA3_TXD,
+	GPIO_FN_SCIFA3_RXD,
+
+	/* SCIFA4	(PORT 5, 6) */
+	GPIO_FN_SCIFA4_RXD,	GPIO_FN_SCIFA4_TXD,
+
+	/* SCIFA5	(PORT 8, 12) */
+	GPIO_FN_SCIFA5_RXD,	GPIO_FN_SCIFA5_TXD,
+
+	/* SCIFB	(PORT 162, 163, 164, 165, 166) */
+	GPIO_FN_SCIFB_SCK,	GPIO_FN_SCIFB_RTS,
+	GPIO_FN_SCIFB_CTS,	GPIO_FN_SCIFB_TXD,
+	GPIO_FN_SCIFB_RXD,
+
+	/*
+	 * CEU		(PORT 16, 17,
+	 *		      100, 101, 102, 103, 104, 105, 106, 107, 108, 109,
+	 *		      110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
+	 *		      120)
+	 */
+	GPIO_FN_VIO_HD,		GPIO_FN_VIO_CKO1,	GPIO_FN_VIO_CKO2,
+	GPIO_FN_VIO_VD,		GPIO_FN_VIO_CLK,	GPIO_FN_VIO_FIELD,
+	GPIO_FN_VIO_CKO,
+	GPIO_FN_VIO_D0,		GPIO_FN_VIO_D1,		GPIO_FN_VIO_D2,
+	GPIO_FN_VIO_D3,		GPIO_FN_VIO_D4,		GPIO_FN_VIO_D5,
+	GPIO_FN_VIO_D6,		GPIO_FN_VIO_D7,		GPIO_FN_VIO_D8,
+	GPIO_FN_VIO_D9,		GPIO_FN_VIO_D10,	GPIO_FN_VIO_D11,
+	GPIO_FN_VIO_D12,	GPIO_FN_VIO_D13,	GPIO_FN_VIO_D14,
+	GPIO_FN_VIO_D15,
+
+	/* USB0		(PORT 113, 114, 115, 116, 117, 167) */
+	GPIO_FN_IDIN_0,		GPIO_FN_EXTLP_0,
+	GPIO_FN_OVCN2_0,	GPIO_FN_PWEN_0,
+	GPIO_FN_OVCN_0,		GPIO_FN_VBUS0_0,
+
+	/* USB1		(PORT 18, 113, 114, 115, 116, 117, 138, 162, 168) */
+	GPIO_FN_IDIN_1_18,	GPIO_FN_IDIN_1_113,
+	GPIO_FN_PWEN_1_115,	GPIO_FN_PWEN_1_138,
+	GPIO_FN_OVCN_1_114,	GPIO_FN_OVCN_1_162,
+	GPIO_FN_EXTLP_1,	GPIO_FN_OVCN2_1,
+	GPIO_FN_VBUS0_1,
+
+	/* GPIO		(PORT 41, 42, 43, 44) */
+	GPIO_FN_GPI0,	GPIO_FN_GPI1,	GPIO_FN_GPO0,	GPIO_FN_GPO1,
+
+	/*
+	 * BSC		(PORT 19,
+	 *		      20, 21, 22, 25, 26, 27, 28, 29,
+	 *		      30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
+	 *		      40, 41, 42, 43, 44, 45,
+	 *		      62, 63, 64, 65, 66, 67,
+	 *		      71, 72, 74, 75)
+	 */
+	GPIO_FN_BS,	GPIO_FN_WE1,
+	GPIO_FN_CKO,	GPIO_FN_WAIT,	GPIO_FN_RDWR,
+
+	GPIO_FN_A0,	GPIO_FN_A1,	GPIO_FN_A2,	GPIO_FN_A3,
+	GPIO_FN_A6,	GPIO_FN_A7,	GPIO_FN_A8,	GPIO_FN_A9,
+	GPIO_FN_A10,	GPIO_FN_A11,	GPIO_FN_A12,	GPIO_FN_A13,
+	GPIO_FN_A14,	GPIO_FN_A15,	GPIO_FN_A16,	GPIO_FN_A17,
+	GPIO_FN_A18,	GPIO_FN_A19,	GPIO_FN_A20,	GPIO_FN_A21,
+	GPIO_FN_A22,	GPIO_FN_A23,	GPIO_FN_A24,	GPIO_FN_A25,
+	GPIO_FN_A26,
+
+	GPIO_FN_CS0,	GPIO_FN_CS2,	GPIO_FN_CS4,
+	GPIO_FN_CS5A,	GPIO_FN_CS5B,	GPIO_FN_CS6A,
+
+	/*
+	 * BSC/FLCTL		(PORT 23, 24,
+	 *			      46, 47, 48, 49,
+	 *			      50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+	 *			      60, 61, 69, 70)
+	 */
+	GPIO_FN_RD_FSC,		GPIO_FN_WE0_FWE,
+	GPIO_FN_A4_FOE,		GPIO_FN_A5_FCDE,
+	GPIO_FN_D0_NAF0,	GPIO_FN_D1_NAF1,	GPIO_FN_D2_NAF2,
+	GPIO_FN_D3_NAF3,	GPIO_FN_D4_NAF4,	GPIO_FN_D5_NAF5,
+	GPIO_FN_D6_NAF6,	GPIO_FN_D7_NAF7,	GPIO_FN_D8_NAF8,
+	GPIO_FN_D9_NAF9,	GPIO_FN_D10_NAF10,	GPIO_FN_D11_NAF11,
+	GPIO_FN_D12_NAF12,	GPIO_FN_D13_NAF13,	GPIO_FN_D14_NAF14,
+	GPIO_FN_D15_NAF15,
+
+	/*
+	 * MMCIF(1)		(PORT 84, 85, 86, 87, 88, 89,
+	 *			      90, 91, 92, 99)
+	 */
+	GPIO_FN_MMCD0_0,	GPIO_FN_MMCD0_1,	GPIO_FN_MMCD0_2,
+	GPIO_FN_MMCD0_3,	GPIO_FN_MMCD0_4,	GPIO_FN_MMCD0_5,
+	GPIO_FN_MMCD0_6,	GPIO_FN_MMCD0_7,
+	GPIO_FN_MMCCMD0,	GPIO_FN_MMCCLK0,
+
+	/* MMCIF(2)		(PORT 54, 55, 56, 57, 58, 59, 60, 61, 66, 67) */
+	GPIO_FN_MMCD1_0,	GPIO_FN_MMCD1_1,	GPIO_FN_MMCD1_2,
+	GPIO_FN_MMCD1_3,	GPIO_FN_MMCD1_4,	GPIO_FN_MMCD1_5,
+	GPIO_FN_MMCD1_6,	GPIO_FN_MMCD1_7,
+	GPIO_FN_MMCCLK1,	GPIO_FN_MMCCMD1,
+
+	/* SPU2		(PORT 65) */
+	GPIO_FN_VINT_I,
+
+	/* FLCTL	(PORT 66, 68, 73) */
+	GPIO_FN_FCE1,	GPIO_FN_FCE0,	GPIO_FN_FRB,
+
+	/* HSI		(PORT 76, 77, 78, 79, 80, 81, 82, 83) */
+	GPIO_FN_GP_RX_FLAG,	GPIO_FN_GP_RX_DATA,	GPIO_FN_GP_TX_READY,
+	GPIO_FN_GP_RX_WAKE,	GPIO_FN_MP_TX_FLAG,	GPIO_FN_MP_TX_DATA,
+	GPIO_FN_MP_RX_READY,	GPIO_FN_MP_TX_WAKE,
+
+	/*
+	 * MFI		(PORT 76, 77, 78, 79,
+	 *		      80, 81, 82, 83, 84, 85, 86, 87, 88, 89,
+	 *		      90, 91, 92, 93, 94, 95, 96, 97, 98, 99)
+	 */
+	GPIO_FN_MFIv6,	/* see MSEL4CR 6 */
+	GPIO_FN_MFIv4,	/* see MSEL4CR 6 */
+
+	GPIO_FN_MEMC_CS0,		GPIO_FN_MEMC_BUSCLK_MEMC_A0,
+	GPIO_FN_MEMC_CS1_MEMC_A1,	GPIO_FN_MEMC_ADV_MEMC_DREQ0,
+	GPIO_FN_MEMC_WAIT_MEMC_DREQ1,	GPIO_FN_MEMC_NOE,
+	GPIO_FN_MEMC_NWE,		GPIO_FN_MEMC_INT,
+
+	GPIO_FN_MEMC_AD0,	GPIO_FN_MEMC_AD1,	GPIO_FN_MEMC_AD2,
+	GPIO_FN_MEMC_AD3,	GPIO_FN_MEMC_AD4,	GPIO_FN_MEMC_AD5,
+	GPIO_FN_MEMC_AD6,	GPIO_FN_MEMC_AD7,	GPIO_FN_MEMC_AD8,
+	GPIO_FN_MEMC_AD9,	GPIO_FN_MEMC_AD10,	GPIO_FN_MEMC_AD11,
+	GPIO_FN_MEMC_AD12,	GPIO_FN_MEMC_AD13,	GPIO_FN_MEMC_AD14,
+	GPIO_FN_MEMC_AD15,
+
+	/* SIM		(PORT 94, 95, 98) */
+	GPIO_FN_SIM_RST,	GPIO_FN_SIM_CLK,	GPIO_FN_SIM_D,
+
+	/* TPU		(PORT 93, 99, 112, 160, 161) */
+	GPIO_FN_TPU0TO0,	GPIO_FN_TPU0TO1,
+	GPIO_FN_TPU0TO2_93,	GPIO_FN_TPU0TO2_99,
+	GPIO_FN_TPU0TO3,
+
+	/* I2C2		(PORT 110, 111) */
+	GPIO_FN_I2C_SCL2,	GPIO_FN_I2C_SDA2,
+
+	/* I2C3(1)	(PORT 114, 115) */
+	GPIO_FN_I2C_SCL3,	GPIO_FN_I2C_SDA3,
+
+	/* I2C3(2)	(PORT 137, 145) */
+	GPIO_FN_I2C_SCL3S,	GPIO_FN_I2C_SDA3S,
+
+	/* I2C4(2)	(PORT 116, 117) */
+	GPIO_FN_I2C_SCL4,	GPIO_FN_I2C_SDA4,
+
+	/* I2C4(2)	(PORT 146, 147) */
+	GPIO_FN_I2C_SCL4S,	GPIO_FN_I2C_SDA4S,
+
+	/*
+	 * KEYSC	(PORT 121, 122, 123, 124, 125, 126, 127, 128, 129,
+	 *		      130, 131, 132, 133, 134, 135, 136)
+	 */
+	GPIO_FN_KEYOUT0,	GPIO_FN_KEYIN0_121,	GPIO_FN_KEYIN0_136,
+	GPIO_FN_KEYOUT1,	GPIO_FN_KEYIN1_122,	GPIO_FN_KEYIN1_135,
+	GPIO_FN_KEYOUT2,	GPIO_FN_KEYIN2_123,	GPIO_FN_KEYIN2_134,
+	GPIO_FN_KEYOUT3,	GPIO_FN_KEYIN3_124,	GPIO_FN_KEYIN3_133,
+	GPIO_FN_KEYOUT4,	GPIO_FN_KEYIN4,
+	GPIO_FN_KEYOUT5,	GPIO_FN_KEYIN5,
+	GPIO_FN_KEYOUT6,	GPIO_FN_KEYIN6,
+	GPIO_FN_KEYOUT7,	GPIO_FN_KEYIN7,
+
+	/*
+	 * LCDC		(PORT      121, 122, 123, 124, 125, 126, 127, 128, 129,
+	 *		      130, 131, 132, 133, 134, 135, 136, 137, 138, 139,
+	 *		      140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
+	 *		      150, 151)
+	 */
+	GPIO_FN_LCDC0_SELECT, /* LCDC 0 */
+	GPIO_FN_LCDC1_SELECT, /* LCDC 1 */
+	GPIO_FN_LCDHSYN,	GPIO_FN_LCDCS,	GPIO_FN_LCDVSYN,
+	GPIO_FN_LCDDCK,		GPIO_FN_LCDWR,	GPIO_FN_LCDRD,
+	GPIO_FN_LCDDISP,	GPIO_FN_LCDRS,	GPIO_FN_LCDLCLK,
+	GPIO_FN_LCDDON,
+
+	GPIO_FN_LCDD0,	GPIO_FN_LCDD1,	GPIO_FN_LCDD2,	GPIO_FN_LCDD3,
+	GPIO_FN_LCDD4,	GPIO_FN_LCDD5,	GPIO_FN_LCDD6,	GPIO_FN_LCDD7,
+	GPIO_FN_LCDD8,	GPIO_FN_LCDD9,	GPIO_FN_LCDD10,	GPIO_FN_LCDD11,
+	GPIO_FN_LCDD12,	GPIO_FN_LCDD13,	GPIO_FN_LCDD14,	GPIO_FN_LCDD15,
+	GPIO_FN_LCDD16,	GPIO_FN_LCDD17,	GPIO_FN_LCDD18,	GPIO_FN_LCDD19,
+	GPIO_FN_LCDD20,	GPIO_FN_LCDD21,	GPIO_FN_LCDD22,	GPIO_FN_LCDD23,
+
+	/* IRDA		(PORT 139, 140, 141, 142) */
+	GPIO_FN_IRDA_OUT,	GPIO_FN_IRDA_IN,	GPIO_FN_IRDA_FIRSEL,
+	GPIO_FN_IROUT_139,	GPIO_FN_IROUT_140,
+
+	/* TSIF1	(PORT 156, 157, 158, 159) */
+	GPIO_FN_TS0_1SELECT, /* TSIF0 - 1 select */
+	GPIO_FN_TS0_2SELECT, /* TSIF0 - 2 select */
+	GPIO_FN_TS1_1SELECT, /* TSIF1 - 1 select */
+	GPIO_FN_TS1_2SELECT, /* TSIF1 - 2 select */
+
+	GPIO_FN_TS_SPSYNC1,	GPIO_FN_TS_SDAT1,
+	GPIO_FN_TS_SDEN1,	GPIO_FN_TS_SCK1,
+
+	/* TSIF2	(PORT 137, 145, 146, 147) */
+	GPIO_FN_TS_SPSYNC2,	GPIO_FN_TS_SDAT2,
+	GPIO_FN_TS_SDEN2,	GPIO_FN_TS_SCK2,
+
+	/* HDMI		(PORT 169, 170) */
+	GPIO_FN_HDMI_HPD,	GPIO_FN_HDMI_CEC,
+
+	/* SDHI0	(PORT 171, 172, 173, 174, 175, 176, 177, 178) */
+	GPIO_FN_SDHICLK0,	GPIO_FN_SDHICD0,
+	GPIO_FN_SDHICMD0,	GPIO_FN_SDHIWP0,
+	GPIO_FN_SDHID0_0,	GPIO_FN_SDHID0_1,
+	GPIO_FN_SDHID0_2,	GPIO_FN_SDHID0_3,
+
+	/* SDHI1	(PORT 179, 180, 181, 182, 183, 184) */
+	GPIO_FN_SDHICLK1,	GPIO_FN_SDHICMD1,	GPIO_FN_SDHID1_0,
+	GPIO_FN_SDHID1_1,	GPIO_FN_SDHID1_2,	GPIO_FN_SDHID1_3,
+
+	/* SDHI2	(PORT 185, 186, 187, 188, 189, 190) */
+	GPIO_FN_SDHICLK2,	GPIO_FN_SDHICMD2,	GPIO_FN_SDHID2_0,
+	GPIO_FN_SDHID2_1,	GPIO_FN_SDHID2_2,	GPIO_FN_SDHID2_3,
+
+	/* SDENC	see MSEL4CR 19 */
+	GPIO_FN_SDENC_CPG,
+	GPIO_FN_SDENC_DV_CLKI,
+};
+
+#endif /* __ASM_SH7372_H__ */
diff --git a/arch/arm/mach-shmobile/include/mach/sh7377.h b/arch/arm/mach-shmobile/include/mach/sh7377.h
new file mode 100644
index 000000000000..f580e227dd1c
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/sh7377.h
@@ -0,0 +1,360 @@
+#ifndef __ASM_SH7377_H__
+#define __ASM_SH7377_H__
+
+/* Pin Function Controller:
+ * GPIO_FN_xx - GPIO used to select pin function
+ * GPIO_PORTxx - GPIO mapped to real I/O pin on CPU
+ */
+enum {
+	/* 55-1 -> 55-5 (GPIO) */
+	GPIO_PORT0, GPIO_PORT1, GPIO_PORT2, GPIO_PORT3, GPIO_PORT4,
+	GPIO_PORT5, GPIO_PORT6, GPIO_PORT7, GPIO_PORT8, GPIO_PORT9,
+
+	GPIO_PORT10, GPIO_PORT11, GPIO_PORT12, GPIO_PORT13, GPIO_PORT14,
+	GPIO_PORT15, GPIO_PORT16, GPIO_PORT17, GPIO_PORT18, GPIO_PORT19,
+
+	GPIO_PORT20, GPIO_PORT21, GPIO_PORT22, GPIO_PORT23, GPIO_PORT24,
+	GPIO_PORT25, GPIO_PORT26, GPIO_PORT27, GPIO_PORT28, GPIO_PORT29,
+
+	GPIO_PORT30, GPIO_PORT31, GPIO_PORT32, GPIO_PORT33, GPIO_PORT34,
+	GPIO_PORT35, GPIO_PORT36, GPIO_PORT37, GPIO_PORT38, GPIO_PORT39,
+
+	GPIO_PORT40, GPIO_PORT41, GPIO_PORT42, GPIO_PORT43, GPIO_PORT44,
+	GPIO_PORT45, GPIO_PORT46, GPIO_PORT47, GPIO_PORT48, GPIO_PORT49,
+
+	GPIO_PORT50, GPIO_PORT51, GPIO_PORT52, GPIO_PORT53, GPIO_PORT54,
+	GPIO_PORT55, GPIO_PORT56, GPIO_PORT57, GPIO_PORT58, GPIO_PORT59,
+
+	GPIO_PORT60, GPIO_PORT61, GPIO_PORT62, GPIO_PORT63, GPIO_PORT64,
+	GPIO_PORT65, GPIO_PORT66, GPIO_PORT67, GPIO_PORT68, GPIO_PORT69,
+
+	GPIO_PORT70, GPIO_PORT71, GPIO_PORT72, GPIO_PORT73, GPIO_PORT74,
+	GPIO_PORT75, GPIO_PORT76, GPIO_PORT77, GPIO_PORT78, GPIO_PORT79,
+
+	GPIO_PORT80, GPIO_PORT81, GPIO_PORT82, GPIO_PORT83, GPIO_PORT84,
+	GPIO_PORT85, GPIO_PORT86, GPIO_PORT87, GPIO_PORT88, GPIO_PORT89,
+
+	GPIO_PORT90, GPIO_PORT91, GPIO_PORT92, GPIO_PORT93, GPIO_PORT94,
+	GPIO_PORT95, GPIO_PORT96, GPIO_PORT97, GPIO_PORT98, GPIO_PORT99,
+
+	GPIO_PORT100, GPIO_PORT101, GPIO_PORT102, GPIO_PORT103, GPIO_PORT104,
+	GPIO_PORT105, GPIO_PORT106, GPIO_PORT107, GPIO_PORT108, GPIO_PORT109,
+
+	GPIO_PORT110, GPIO_PORT111, GPIO_PORT112, GPIO_PORT113, GPIO_PORT114,
+	GPIO_PORT115, GPIO_PORT116, GPIO_PORT117, GPIO_PORT118,
+
+	GPIO_PORT128, GPIO_PORT129,
+
+	GPIO_PORT130, GPIO_PORT131, GPIO_PORT132, GPIO_PORT133, GPIO_PORT134,
+	GPIO_PORT135, GPIO_PORT136, GPIO_PORT137, GPIO_PORT138, GPIO_PORT139,
+
+	GPIO_PORT140, GPIO_PORT141, GPIO_PORT142, GPIO_PORT143, GPIO_PORT144,
+	GPIO_PORT145, GPIO_PORT146, GPIO_PORT147, GPIO_PORT148, GPIO_PORT149,
+
+	GPIO_PORT150, GPIO_PORT151, GPIO_PORT152, GPIO_PORT153, GPIO_PORT154,
+	GPIO_PORT155, GPIO_PORT156, GPIO_PORT157, GPIO_PORT158, GPIO_PORT159,
+
+	GPIO_PORT160, GPIO_PORT161, GPIO_PORT162, GPIO_PORT163, GPIO_PORT164,
+
+	GPIO_PORT192, GPIO_PORT193, GPIO_PORT194,
+	GPIO_PORT195, GPIO_PORT196, GPIO_PORT197, GPIO_PORT198, GPIO_PORT199,
+
+	GPIO_PORT200, GPIO_PORT201, GPIO_PORT202, GPIO_PORT203, GPIO_PORT204,
+	GPIO_PORT205, GPIO_PORT206, GPIO_PORT207, GPIO_PORT208, GPIO_PORT209,
+
+	GPIO_PORT210, GPIO_PORT211, GPIO_PORT212, GPIO_PORT213, GPIO_PORT214,
+	GPIO_PORT215, GPIO_PORT216, GPIO_PORT217, GPIO_PORT218, GPIO_PORT219,
+
+	GPIO_PORT220, GPIO_PORT221, GPIO_PORT222, GPIO_PORT223, GPIO_PORT224,
+	GPIO_PORT225, GPIO_PORT226, GPIO_PORT227, GPIO_PORT228, GPIO_PORT229,
+
+	GPIO_PORT230, GPIO_PORT231, GPIO_PORT232, GPIO_PORT233, GPIO_PORT234,
+	GPIO_PORT235, GPIO_PORT236, GPIO_PORT237, GPIO_PORT238, GPIO_PORT239,
+
+	GPIO_PORT240, GPIO_PORT241, GPIO_PORT242, GPIO_PORT243, GPIO_PORT244,
+	GPIO_PORT245, GPIO_PORT246, GPIO_PORT247, GPIO_PORT248, GPIO_PORT249,
+
+	GPIO_PORT250, GPIO_PORT251, GPIO_PORT252, GPIO_PORT253, GPIO_PORT254,
+	GPIO_PORT255, GPIO_PORT256, GPIO_PORT257, GPIO_PORT258, GPIO_PORT259,
+
+	GPIO_PORT260, GPIO_PORT261, GPIO_PORT262, GPIO_PORT263, GPIO_PORT264,
+
+	/* Special Pull-up / Pull-down Functions */
+	GPIO_FN_PORT66_KEYIN0_PU, GPIO_FN_PORT67_KEYIN1_PU,
+	GPIO_FN_PORT68_KEYIN2_PU, GPIO_FN_PORT69_KEYIN3_PU,
+	GPIO_FN_PORT70_KEYIN4_PU, GPIO_FN_PORT71_KEYIN5_PU,
+	GPIO_FN_PORT72_KEYIN6_PU,
+
+	/* 55-1 (FN) */
+	GPIO_FN_VBUS_0,
+	GPIO_FN_CPORT0,
+	GPIO_FN_CPORT1,
+	GPIO_FN_CPORT2,
+	GPIO_FN_CPORT3,
+	GPIO_FN_CPORT4,
+	GPIO_FN_CPORT5,
+	GPIO_FN_CPORT6,
+	GPIO_FN_CPORT7,
+	GPIO_FN_CPORT8,
+	GPIO_FN_CPORT9,
+	GPIO_FN_CPORT10,
+	GPIO_FN_CPORT11, GPIO_FN_SIN2,
+	GPIO_FN_CPORT12, GPIO_FN_XCTS2,
+	GPIO_FN_CPORT13, GPIO_FN_RFSPO4,
+	GPIO_FN_CPORT14, GPIO_FN_RFSPO5,
+	GPIO_FN_CPORT15, GPIO_FN_SCIFA0_SCK, GPIO_FN_GPS_AGC2,
+	GPIO_FN_CPORT16, GPIO_FN_SCIFA0_TXD, GPIO_FN_GPS_AGC3,
+	GPIO_FN_CPORT17_IC_OE, GPIO_FN_SOUT2,
+	GPIO_FN_CPORT18, GPIO_FN_XRTS2, GPIO_FN_PORT19_VIO_CKO2,
+	GPIO_FN_CPORT19_MPORT1,
+	GPIO_FN_CPORT20, GPIO_FN_RFSPO6,
+	GPIO_FN_CPORT21, GPIO_FN_STATUS0,
+	GPIO_FN_CPORT22, GPIO_FN_STATUS1,
+	GPIO_FN_CPORT23, GPIO_FN_STATUS2, GPIO_FN_RFSPO7,
+	GPIO_FN_B_SYNLD1,
+	GPIO_FN_B_SYNLD2, GPIO_FN_SYSENMSK,
+	GPIO_FN_XMAINPS,
+	GPIO_FN_XDIVPS,
+	GPIO_FN_XIDRST,
+	GPIO_FN_IDCLK, GPIO_FN_IC_DP,
+	GPIO_FN_IDIO, GPIO_FN_IC_DM,
+	GPIO_FN_SOUT1, GPIO_FN_SCIFA4_TXD, GPIO_FN_M02_BERDAT,
+	GPIO_FN_SIN1, GPIO_FN_SCIFA4_RXD, GPIO_FN_XWUP,
+	GPIO_FN_XRTS1, GPIO_FN_SCIFA4_RTS, GPIO_FN_M03_BERCLK,
+	GPIO_FN_XCTS1, GPIO_FN_SCIFA4_CTS,
+	GPIO_FN_PCMCLKO,
+	GPIO_FN_SYNC8KO,
+
+	/* 55-2 (FN) */
+	GPIO_FN_DNPCM_A,
+	GPIO_FN_UPPCM_A,
+	GPIO_FN_VACK,
+	GPIO_FN_XTALB1L,
+	GPIO_FN_GPS_AGC1, GPIO_FN_SCIFA0_RTS,
+	GPIO_FN_GPS_AGC4, GPIO_FN_SCIFA0_RXD,
+	GPIO_FN_GPS_PWRDOWN, GPIO_FN_SCIFA0_CTS,
+	GPIO_FN_GPS_IM,
+	GPIO_FN_GPS_IS,
+	GPIO_FN_GPS_QM,
+	GPIO_FN_GPS_QS,
+	GPIO_FN_FMSOCK, GPIO_FN_PORT49_IRDA_OUT, GPIO_FN_PORT49_IROUT,
+	GPIO_FN_FMSOOLR, GPIO_FN_BBIF2_TSYNC2, GPIO_FN_TPU2TO2, GPIO_FN_IPORT3,
+	GPIO_FN_FMSIOLR,
+	GPIO_FN_FMSOOBT, GPIO_FN_BBIF2_TSCK2, GPIO_FN_TPU2TO3, GPIO_FN_OPORT1,
+	GPIO_FN_FMSIOBT,
+	GPIO_FN_FMSOSLD, GPIO_FN_BBIF2_TXD2, GPIO_FN_OPORT2,
+	GPIO_FN_FMSOILR, GPIO_FN_PORT53_IRDA_IN, GPIO_FN_TPU3TO3,
+	GPIO_FN_OPORT3, GPIO_FN_FMSIILR,
+	GPIO_FN_FMSOIBT, GPIO_FN_PORT54_IRDA_FIRSEL, GPIO_FN_TPU3TO2,
+	GPIO_FN_FMSIIBT,
+	GPIO_FN_FMSISLD, GPIO_FN_MFG0_OUT1, GPIO_FN_TPU0TO0,
+	GPIO_FN_A0_EA0, GPIO_FN_BS,
+	GPIO_FN_A12_EA12, GPIO_FN_PORT58_VIO_CKOR, GPIO_FN_TPU4TO2,
+	GPIO_FN_A13_EA13, GPIO_FN_PORT59_IROUT, GPIO_FN_MFG0_OUT2,
+	GPIO_FN_TPU0TO1,
+	GPIO_FN_A14_EA14, GPIO_FN_PORT60_KEYOUT5,
+	GPIO_FN_A15_EA15, GPIO_FN_PORT61_KEYOUT4,
+	GPIO_FN_A16_EA16, GPIO_FN_PORT62_KEYOUT3, GPIO_FN_MSIOF0_SS1,
+	GPIO_FN_A17_EA17, GPIO_FN_PORT63_KEYOUT2, GPIO_FN_MSIOF0_TSYNC,
+	GPIO_FN_A18_EA18, GPIO_FN_PORT64_KEYOUT1, GPIO_FN_MSIOF0_TSCK,
+	GPIO_FN_A19_EA19, GPIO_FN_PORT65_KEYOUT0, GPIO_FN_MSIOF0_TXD,
+	GPIO_FN_A20_EA20, GPIO_FN_PORT66_KEYIN0, GPIO_FN_MSIOF0_RSCK,
+	GPIO_FN_A21_EA21, GPIO_FN_PORT67_KEYIN1, GPIO_FN_MSIOF0_RSYNC,
+	GPIO_FN_A22_EA22, GPIO_FN_PORT68_KEYIN2, GPIO_FN_MSIOF0_MCK0,
+	GPIO_FN_A23_EA23, GPIO_FN_PORT69_KEYIN3, GPIO_FN_MSIOF0_MCK1,
+	GPIO_FN_A24_EA24, GPIO_FN_PORT70_KEYIN4, GPIO_FN_MSIOF0_RXD,
+	GPIO_FN_A25_EA25, GPIO_FN_PORT71_KEYIN5, GPIO_FN_MSIOF0_SS2,
+	GPIO_FN_A26, GPIO_FN_PORT72_KEYIN6,
+	GPIO_FN_D0_ED0_NAF0,
+	GPIO_FN_D1_ED1_NAF1,
+	GPIO_FN_D2_ED2_NAF2,
+	GPIO_FN_D3_ED3_NAF3,
+	GPIO_FN_D4_ED4_NAF4,
+	GPIO_FN_D5_ED5_NAF5,
+	GPIO_FN_D6_ED6_NAF6,
+	GPIO_FN_D7_ED7_NAF7,
+	GPIO_FN_D8_ED8_NAF8,
+	GPIO_FN_D9_ED9_NAF9,
+	GPIO_FN_D10_ED10_NAF10,
+	GPIO_FN_D11_ED11_NAF11,
+	GPIO_FN_D12_ED12_NAF12,
+	GPIO_FN_D13_ED13_NAF13,
+	GPIO_FN_D14_ED14_NAF14,
+	GPIO_FN_D15_ED15_NAF15,
+	GPIO_FN_CS4,
+	GPIO_FN_CS5A, GPIO_FN_FMSICK,
+	GPIO_FN_CS5B, GPIO_FN_FCE1,
+
+	/* 55-3 (FN) */
+	GPIO_FN_CS6B, GPIO_FN_XCS2, GPIO_FN_CS6A, GPIO_FN_DACK0,
+	GPIO_FN_FCE0,
+	GPIO_FN_WAIT, GPIO_FN_DREQ0,
+	GPIO_FN_RD_XRD,
+	GPIO_FN_WE0_XWR0_FWE,
+	GPIO_FN_WE1_XWR1,
+	GPIO_FN_FRB,
+	GPIO_FN_CKO,
+	GPIO_FN_NBRSTOUT,
+	GPIO_FN_NBRST,
+	GPIO_FN_GPS_EPPSIN,
+	GPIO_FN_LATCHPULSE,
+	GPIO_FN_LTESIGNAL,
+	GPIO_FN_LEGACYSTATE,
+	GPIO_FN_TCKON,
+	GPIO_FN_VIO_VD, GPIO_FN_PORT128_KEYOUT0, GPIO_FN_IPORT0,
+	GPIO_FN_VIO_HD, GPIO_FN_PORT129_KEYOUT1, GPIO_FN_IPORT1,
+	GPIO_FN_VIO_D0, GPIO_FN_PORT130_KEYOUT2, GPIO_FN_PORT130_MSIOF2_RXD,
+	GPIO_FN_VIO_D1, GPIO_FN_PORT131_KEYOUT3, GPIO_FN_PORT131_MSIOF2_SS1,
+	GPIO_FN_VIO_D2, GPIO_FN_PORT132_KEYOUT4, GPIO_FN_PORT132_MSIOF2_SS2,
+	GPIO_FN_VIO_D3, GPIO_FN_PORT133_KEYOUT5, GPIO_FN_PORT133_MSIOF2_TSYNC,
+	GPIO_FN_VIO_D4, GPIO_FN_PORT134_KEYIN0, GPIO_FN_PORT134_MSIOF2_TXD,
+	GPIO_FN_VIO_D5, GPIO_FN_PORT135_KEYIN1, GPIO_FN_PORT135_MSIOF2_TSCK,
+	GPIO_FN_VIO_D6, GPIO_FN_PORT136_KEYIN2,
+	GPIO_FN_VIO_D7, GPIO_FN_PORT137_KEYIN3,
+	GPIO_FN_VIO_D8, GPIO_FN_M9_SLCD_A01, GPIO_FN_PORT138_FSIAOMC,
+	GPIO_FN_VIO_D9, GPIO_FN_M10_SLCD_CK1, GPIO_FN_PORT139_FSIAOLR,
+	GPIO_FN_VIO_D10, GPIO_FN_M11_SLCD_SO1, GPIO_FN_TPU0TO2,
+	GPIO_FN_PORT140_FSIAOBT,
+	GPIO_FN_VIO_D11, GPIO_FN_M12_SLCD_CE1, GPIO_FN_TPU0TO3,
+	GPIO_FN_PORT141_FSIAOSLD,
+	GPIO_FN_VIO_D12, GPIO_FN_M13_BSW, GPIO_FN_PORT142_FSIACK,
+	GPIO_FN_VIO_D13, GPIO_FN_M14_GSW, GPIO_FN_PORT143_FSIAILR,
+	GPIO_FN_VIO_D14, GPIO_FN_M15_RSW, GPIO_FN_PORT144_FSIAIBT,
+	GPIO_FN_VIO_D15, GPIO_FN_TPU1TO3, GPIO_FN_PORT145_FSIAISLD,
+	GPIO_FN_VIO_CLK, GPIO_FN_PORT146_KEYIN4, GPIO_FN_IPORT2,
+	GPIO_FN_VIO_FIELD, GPIO_FN_PORT147_KEYIN5,
+	GPIO_FN_VIO_CKO, GPIO_FN_PORT148_KEYIN6,
+	GPIO_FN_A27, GPIO_FN_RDWR_XWE, GPIO_FN_MFG0_IN1,
+	GPIO_FN_MFG0_IN2,
+	GPIO_FN_TS_SPSYNC3, GPIO_FN_MSIOF2_RSCK,
+	GPIO_FN_TS_SDAT3, GPIO_FN_MSIOF2_RSYNC,
+	GPIO_FN_TPU1TO2, GPIO_FN_TS_SDEN3, GPIO_FN_PORT153_MSIOF2_SS1,
+	GPIO_FN_SOUT3, GPIO_FN_SCIFA2_TXD1, GPIO_FN_MSIOF2_MCK0,
+	GPIO_FN_SIN3, GPIO_FN_SCIFA2_RXD1, GPIO_FN_MSIOF2_MCK1,
+	GPIO_FN_XRTS3, GPIO_FN_SCIFA2_RTS1, GPIO_FN_PORT156_MSIOF2_SS2,
+	GPIO_FN_XCTS3, GPIO_FN_SCIFA2_CTS1, GPIO_FN_PORT157_MSIOF2_RXD,
+
+	/* 55-4 (FN) */
+	GPIO_FN_DINT, GPIO_FN_SCIFA2_SCK1, GPIO_FN_TS_SCK3,
+	GPIO_FN_PORT159_SCIFB_SCK, GPIO_FN_PORT159_SCIFA5_SCK, GPIO_FN_NMI,
+	GPIO_FN_PORT160_SCIFB_TXD, GPIO_FN_PORT160_SCIFA5_TXD, GPIO_FN_SOUT0,
+	GPIO_FN_PORT161_SCIFB_CTS, GPIO_FN_PORT161_SCIFA5_CTS, GPIO_FN_XCTS0,
+	GPIO_FN_MFG3_IN2,
+	GPIO_FN_PORT162_SCIFB_RXD, GPIO_FN_PORT162_SCIFA5_RXD, GPIO_FN_SIN0,
+	GPIO_FN_MFG3_IN1,
+	GPIO_FN_PORT163_SCIFB_RTS, GPIO_FN_PORT163_SCIFA5_RTS, GPIO_FN_XRTS0,
+	GPIO_FN_MFG3_OUT1,
+	GPIO_FN_TPU3TO0,
+	GPIO_FN_LCDD0, GPIO_FN_PORT192_KEYOUT0, GPIO_FN_EXT_CKI,
+	GPIO_FN_LCDD1, GPIO_FN_PORT193_KEYOUT1, GPIO_FN_PORT193_SCIFA5_CTS,
+	GPIO_FN_BBIF2_TSYNC1,
+	GPIO_FN_LCDD2, GPIO_FN_PORT194_KEYOUT2, GPIO_FN_PORT194_SCIFA5_RTS,
+	GPIO_FN_BBIF2_TSCK1,
+	GPIO_FN_LCDD3, GPIO_FN_PORT195_KEYOUT3, GPIO_FN_PORT195_SCIFA5_RXD,
+	GPIO_FN_BBIF2_TXD1,
+	GPIO_FN_LCDD4, GPIO_FN_PORT196_KEYOUT4, GPIO_FN_PORT196_SCIFA5_TXD,
+	GPIO_FN_LCDD5, GPIO_FN_PORT197_KEYOUT5, GPIO_FN_PORT197_SCIFA5_SCK,
+	GPIO_FN_MFG2_OUT2, GPIO_FN_TPU2TO1,
+	GPIO_FN_LCDD6, GPIO_FN_XWR2,
+	GPIO_FN_LCDD7, GPIO_FN_TPU4TO1, GPIO_FN_MFG4_OUT2, GPIO_FN_XWR3,
+	GPIO_FN_LCDD8, GPIO_FN_PORT200_KEYIN0, GPIO_FN_VIO_DR0, GPIO_FN_D16,
+	GPIO_FN_ED16,
+	GPIO_FN_LCDD9, GPIO_FN_PORT201_KEYIN1, GPIO_FN_VIO_DR1, GPIO_FN_D17,
+	GPIO_FN_ED17,
+	GPIO_FN_LCDD10, GPIO_FN_PORT202_KEYIN2, GPIO_FN_VIO_DR2, GPIO_FN_D18,
+	GPIO_FN_ED18,
+	GPIO_FN_LCDD11, GPIO_FN_PORT203_KEYIN3, GPIO_FN_VIO_DR3, GPIO_FN_D19,
+	GPIO_FN_ED19,
+	GPIO_FN_LCDD12, GPIO_FN_PORT204_KEYIN4, GPIO_FN_VIO_DR4, GPIO_FN_D20,
+	GPIO_FN_ED20,
+	GPIO_FN_LCDD13, GPIO_FN_PORT205_KEYIN5, GPIO_FN_VIO_DR5, GPIO_FN_D21,
+	GPIO_FN_ED21,
+	GPIO_FN_LCDD14, GPIO_FN_PORT206_KEYIN6, GPIO_FN_VIO_DR6, GPIO_FN_D22,
+	GPIO_FN_ED22,
+	GPIO_FN_LCDD15, GPIO_FN_PORT207_MSIOF0L_SS1, GPIO_FN_PORT207_KEYOUT0,
+	GPIO_FN_VIO_DR7,
+	GPIO_FN_D23, GPIO_FN_ED23,
+	GPIO_FN_LCDD16, GPIO_FN_PORT208_MSIOF0L_SS2, GPIO_FN_PORT208_KEYOUT1,
+	GPIO_FN_VIO_VDR,
+	GPIO_FN_D24, GPIO_FN_ED24,
+	GPIO_FN_LCDD17, GPIO_FN_PORT209_KEYOUT2, GPIO_FN_VIO_HDR, GPIO_FN_D25,
+	GPIO_FN_ED25,
+	GPIO_FN_LCDD18, GPIO_FN_DREQ2, GPIO_FN_PORT210_MSIOF0L_SS1, GPIO_FN_D26,
+	GPIO_FN_ED26,
+	GPIO_FN_LCDD19, GPIO_FN_PORT211_MSIOF0L_SS2, GPIO_FN_D27, GPIO_FN_ED27,
+	GPIO_FN_LCDD20, GPIO_FN_TS_SPSYNC1, GPIO_FN_MSIOF0L_MCK0, GPIO_FN_D28,
+	GPIO_FN_ED28,
+	GPIO_FN_LCDD21, GPIO_FN_TS_SDAT1, GPIO_FN_MSIOF0L_MCK1, GPIO_FN_D29,
+	GPIO_FN_ED29,
+	GPIO_FN_LCDD22, GPIO_FN_TS_SDEN1, GPIO_FN_MSIOF0L_RSCK, GPIO_FN_D30,
+	GPIO_FN_ED30,
+	GPIO_FN_LCDD23, GPIO_FN_TS_SCK1, GPIO_FN_MSIOF0L_RSYNC, GPIO_FN_D31,
+	GPIO_FN_ED31,
+	GPIO_FN_LCDDCK, GPIO_FN_LCDWR, GPIO_FN_PORT216_KEYOUT3,
+	GPIO_FN_VIO_CLKR,
+	GPIO_FN_LCDRD, GPIO_FN_DACK2, GPIO_FN_MSIOF0L_TSYNC,
+	GPIO_FN_LCDHSYN, GPIO_FN_LCDCS, GPIO_FN_LCDCS2, GPIO_FN_DACK3,
+	GPIO_FN_PORT218_VIO_CKOR, GPIO_FN_PORT218_KEYOUT4,
+	GPIO_FN_LCDDISP, GPIO_FN_LCDRS, GPIO_FN_DREQ3, GPIO_FN_MSIOF0L_TSCK,
+	GPIO_FN_LCDVSYN, GPIO_FN_LCDVSYN2, GPIO_FN_PORT220_KEYOUT5,
+	GPIO_FN_LCDLCLK, GPIO_FN_DREQ1, GPIO_FN_PWEN, GPIO_FN_MSIOF0L_RXD,
+	GPIO_FN_LCDDON, GPIO_FN_LCDDON2, GPIO_FN_DACK1, GPIO_FN_OVCN,
+	GPIO_FN_MSIOF0L_TXD,
+	GPIO_FN_SCIFA1_TXD, GPIO_FN_OVCN2,
+	GPIO_FN_EXTLP, GPIO_FN_SCIFA1_SCK, GPIO_FN_USBTERM,
+	GPIO_FN_PORT226_VIO_CKO2,
+	GPIO_FN_SCIFA1_RTS, GPIO_FN_IDIN,
+	GPIO_FN_SCIFA1_RXD,
+	GPIO_FN_SCIFA1_CTS, GPIO_FN_MFG1_IN1,
+	GPIO_FN_MSIOF1_TXD, GPIO_FN_SCIFA2_TXD2, GPIO_FN_PORT230_FSIAOMC,
+	GPIO_FN_MSIOF1_TSYNC, GPIO_FN_SCIFA2_CTS2, GPIO_FN_PORT231_FSIAOLR,
+	GPIO_FN_MSIOF1_TSCK, GPIO_FN_SCIFA2_SCK2, GPIO_FN_PORT232_FSIAOBT,
+	GPIO_FN_MSIOF1_RXD, GPIO_FN_SCIFA2_RXD2, GPIO_FN_GPS_VCOTRIG,
+	GPIO_FN_PORT233_FSIACK,
+	GPIO_FN_MSIOF1_RSCK, GPIO_FN_SCIFA2_RTS2, GPIO_FN_PORT234_FSIAOSLD,
+	GPIO_FN_MSIOF1_RSYNC, GPIO_FN_OPORT0, GPIO_FN_MFG1_IN2,
+	GPIO_FN_PORT235_FSIAILR,
+	GPIO_FN_MSIOF1_MCK0, GPIO_FN_I2C_SDA2, GPIO_FN_PORT236_FSIAIBT,
+	GPIO_FN_MSIOF1_MCK1, GPIO_FN_I2C_SCL2, GPIO_FN_PORT237_FSIAISLD,
+	GPIO_FN_MSIOF1_SS1, GPIO_FN_EDBGREQ3,
+
+	/* 55-5 (FN) */
+	GPIO_FN_MSIOF1_SS2,
+	GPIO_FN_SCIFA6_TXD,
+	GPIO_FN_PORT241_IRDA_OUT, GPIO_FN_PORT241_IROUT, GPIO_FN_MFG4_OUT1,
+	GPIO_FN_TPU4TO0,
+	GPIO_FN_PORT242_IRDA_IN, GPIO_FN_MFG4_IN2,
+	GPIO_FN_PORT243_IRDA_FIRSEL, GPIO_FN_PORT243_VIO_CKO2,
+	GPIO_FN_PORT244_SCIFA5_CTS, GPIO_FN_MFG2_IN1, GPIO_FN_PORT244_SCIFB_CTS,
+	GPIO_FN_PORT244_MSIOF2_RXD,
+	GPIO_FN_PORT245_SCIFA5_RTS, GPIO_FN_MFG2_IN2, GPIO_FN_PORT245_SCIFB_RTS,
+	GPIO_FN_PORT245_MSIOF2_TXD,
+	GPIO_FN_PORT246_SCIFA5_RXD, GPIO_FN_MFG1_OUT1,
+	GPIO_FN_PORT246_SCIFB_RXD, GPIO_FN_TPU1TO0,
+	GPIO_FN_PORT247_SCIFA5_TXD, GPIO_FN_MFG3_OUT2,
+	GPIO_FN_PORT247_SCIFB_TXD, GPIO_FN_TPU3TO1,
+	GPIO_FN_PORT248_SCIFA5_SCK, GPIO_FN_MFG2_OUT1,
+	GPIO_FN_PORT248_SCIFB_SCK, GPIO_FN_TPU2TO0,
+	GPIO_FN_PORT248_MSIOF2_TSCK,
+	GPIO_FN_PORT249_IROUT, GPIO_FN_MFG4_IN1, GPIO_FN_PORT249_MSIOF2_TSYNC,
+	GPIO_FN_SDHICLK0, GPIO_FN_TCK2_SWCLK_MC0,
+	GPIO_FN_SDHICD0,
+	GPIO_FN_SDHID0_0, GPIO_FN_TMS2_SWDIO_MC0,
+	GPIO_FN_SDHID0_1, GPIO_FN_TDO2_SWO0_MC0,
+	GPIO_FN_SDHID0_2, GPIO_FN_TDI2,
+	GPIO_FN_SDHID0_3, GPIO_FN_RTCK2_SWO1_MC0,
+	GPIO_FN_SDHICMD0, GPIO_FN_TRST2,
+	GPIO_FN_SDHIWP0, GPIO_FN_EDBGREQ2,
+	GPIO_FN_SDHICLK1, GPIO_FN_TCK3_SWCLK_MC1,
+	GPIO_FN_SDHID1_0, GPIO_FN_M11_SLCD_SO2, GPIO_FN_TS_SPSYNC2,
+	GPIO_FN_TMS3_SWDIO_MC1,
+	GPIO_FN_SDHID1_1, GPIO_FN_M9_SLCD_A02, GPIO_FN_TS_SDAT2,
+	GPIO_FN_TDO3_SWO0_MC1,
+	GPIO_FN_SDHID1_2, GPIO_FN_M10_SLCD_CK2, GPIO_FN_TS_SDEN2, GPIO_FN_TDI3,
+	GPIO_FN_SDHID1_3, GPIO_FN_M12_SLCD_CE2, GPIO_FN_TS_SCK2,
+	GPIO_FN_RTCK3_SWO1_MC1,
+	GPIO_FN_SDHICMD1, GPIO_FN_TRST3,
+	GPIO_FN_RESETOUTS,
+};
+
+#endif /* __ASM_SH7377_H__ */
diff --git a/arch/arm/mach-shmobile/include/mach/system.h b/arch/arm/mach-shmobile/include/mach/system.h
new file mode 100644
index 000000000000..76a687eeaa22
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/system.h
@@ -0,0 +1,14 @@
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H
+
+static inline void arch_idle(void)
+{
+	cpu_do_idle();
+}
+
+static inline void arch_reset(char mode, const char *cmd)
+{
+	cpu_reset(0);
+}
+
+#endif
diff --git a/arch/arm/mach-shmobile/include/mach/timex.h b/arch/arm/mach-shmobile/include/mach/timex.h
new file mode 100644
index 000000000000..ae0d8d825c23
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/timex.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_MACH_TIMEX_H
+#define __ASM_MACH_TIMEX_H
+
+#define CLOCK_TICK_RATE		1193180 /* unused i8253 PIT value */
+
+#endif /* __ASM_MACH_TIMEX_H */
diff --git a/arch/arm/mach-shmobile/include/mach/uncompress.h b/arch/arm/mach-shmobile/include/mach/uncompress.h
new file mode 100644
index 000000000000..0bd7556b1387
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/uncompress.h
@@ -0,0 +1,21 @@
+#ifndef __ASM_MACH_UNCOMPRESS_H
+#define __ASM_MACH_UNCOMPRESS_H
+
+/*
+ * This does not append a newline
+ */
+static void putc(int c)
+{
+}
+
+static inline void flush(void)
+{
+}
+
+static void arch_decomp_setup(void)
+{
+}
+
+#define arch_decomp_wdog()
+
+#endif /* __ASM_MACH_UNCOMPRESS_H */
diff --git a/arch/arm/mach-shmobile/include/mach/vmalloc.h b/arch/arm/mach-shmobile/include/mach/vmalloc.h
new file mode 100644
index 000000000000..fb3c4f1ab252
--- /dev/null
+++ b/arch/arm/mach-shmobile/include/mach/vmalloc.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_MACH_VMALLOC_H
+#define __ASM_MACH_VMALLOC_H
+
+#define VMALLOC_END       (PAGE_OFFSET + 0x24000000)
+
+#endif /* __ASM_MACH_VMALLOC_H */
diff --git a/arch/arm/mach-shmobile/intc-sh7367.c b/arch/arm/mach-shmobile/intc-sh7367.c
new file mode 100644
index 000000000000..5ff70cadfc32
--- /dev/null
+++ b/arch/arm/mach-shmobile/intc-sh7367.c
@@ -0,0 +1,270 @@
+/*
+ * sh7367 processor support - INTC hardware block
+ *
+ * Copyright (C) 2010  Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/sh_intc.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+enum {
+	UNUSED_INTCA = 0,
+	ENABLED,
+	DISABLED,
+
+	/* interrupt sources INTCA */
+	IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A,
+	IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A,
+	DIRC,
+	CRYPT1_ERR, CRYPT2_STD,
+	IIC1_ALI1, IIC1_TACKI1, IIC1_WAITI1, IIC1_DTEI1,
+	ARM11_IRQPMU, ARM11_COMMTX, ARM11_COMMRX,
+	ETM11_ACQCMP, ETM11_FULL,
+	MFI_MFIM, MFI_MFIS,
+	BBIF1, BBIF2,
+	USBDMAC_USHDMI,
+	USBHS_USHI0, USBHS_USHI1,
+	CMT1_CMT10, CMT1_CMT11, CMT1_CMT12, CMT1_CMT13, CMT2, CMT3,
+	KEYSC_KEY,
+	SCIFA0, SCIFA1, SCIFA2, SCIFA3,
+	MSIOF2, MSIOF1,
+	SCIFA4, SCIFA5, SCIFB,
+	FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I,
+	SDHI0,
+	SDHI1,
+	MSU_MSU, MSU_MSU2,
+	IREM,
+	SIU,
+	SPU,
+	IRDA,
+	TPU0, TPU1, TPU2, TPU3, TPU4,
+	LCRC,
+	PINT1, PINT2,
+	TTI20,
+	MISTY,
+	DDM,
+	SDHI2,
+	RWDT0, RWDT1,
+	DMAC_1_DEI0, DMAC_1_DEI1, DMAC_1_DEI2, DMAC_1_DEI3,
+	DMAC_2_DEI4, DMAC_2_DEI5, DMAC_2_DADERR,
+	DMAC2_1_DEI0, DMAC2_1_DEI1, DMAC2_1_DEI2, DMAC2_1_DEI3,
+	DMAC2_2_DEI4, DMAC2_2_DEI5, DMAC2_2_DADERR,
+	DMAC3_1_DEI0, DMAC3_1_DEI1, DMAC3_1_DEI2, DMAC3_1_DEI3,
+	DMAC3_2_DEI4, DMAC3_2_DEI5, DMAC3_2_DADERR,
+
+	/* interrupt groups INTCA */
+	DMAC_1, DMAC_2,	DMAC2_1, DMAC2_2, DMAC3_1, DMAC3_2,
+	ETM11, ARM11, USBHS, FLCTL, IIC1
+};
+
+static struct intc_vect intca_vectors[] = {
+	INTC_VECT(IRQ0A, 0x0200), INTC_VECT(IRQ1A, 0x0220),
+	INTC_VECT(IRQ2A, 0x0240), INTC_VECT(IRQ3A, 0x0260),
+	INTC_VECT(IRQ4A, 0x0280), INTC_VECT(IRQ5A, 0x02a0),
+	INTC_VECT(IRQ6A, 0x02c0), INTC_VECT(IRQ7A, 0x02e0),
+	INTC_VECT(IRQ8A, 0x0300), INTC_VECT(IRQ9A, 0x0320),
+	INTC_VECT(IRQ10A, 0x0340), INTC_VECT(IRQ11A, 0x0360),
+	INTC_VECT(IRQ12A, 0x0380), INTC_VECT(IRQ13A, 0x03a0),
+	INTC_VECT(IRQ14A, 0x03c0), INTC_VECT(IRQ15A, 0x03e0),
+	INTC_VECT(DIRC, 0x0560),
+	INTC_VECT(CRYPT1_ERR, 0x05e0),
+	INTC_VECT(CRYPT2_STD, 0x0700),
+	INTC_VECT(IIC1_ALI1, 0x0780), INTC_VECT(IIC1_TACKI1, 0x07a0),
+	INTC_VECT(IIC1_WAITI1, 0x07c0), INTC_VECT(IIC1_DTEI1, 0x07e0),
+	INTC_VECT(ARM11_IRQPMU, 0x0800), INTC_VECT(ARM11_COMMTX, 0x0840),
+	INTC_VECT(ARM11_COMMRX, 0x0860),
+	INTC_VECT(ETM11_ACQCMP, 0x0880), INTC_VECT(ETM11_FULL, 0x08a0),
+	INTC_VECT(MFI_MFIM, 0x0900), INTC_VECT(MFI_MFIS, 0x0920),
+	INTC_VECT(BBIF1, 0x0940), INTC_VECT(BBIF2, 0x0960),
+	INTC_VECT(USBDMAC_USHDMI, 0x0a00),
+	INTC_VECT(USBHS_USHI0, 0x0a20), INTC_VECT(USBHS_USHI1, 0x0a40),
+	INTC_VECT(CMT1_CMT10, 0x0b00), INTC_VECT(CMT1_CMT11, 0x0b20),
+	INTC_VECT(CMT1_CMT12, 0x0b40), INTC_VECT(CMT1_CMT13, 0x0b60),
+	INTC_VECT(CMT2, 0x0b80), INTC_VECT(CMT3, 0x0ba0),
+	INTC_VECT(KEYSC_KEY, 0x0be0),
+	INTC_VECT(SCIFA0, 0x0c00), INTC_VECT(SCIFA1, 0x0c20),
+	INTC_VECT(SCIFA2, 0x0c40), INTC_VECT(SCIFA3, 0x0c60),
+	INTC_VECT(MSIOF2, 0x0c80), INTC_VECT(MSIOF1, 0x0d00),
+	INTC_VECT(SCIFA4, 0x0d20), INTC_VECT(SCIFA5, 0x0d40),
+	INTC_VECT(SCIFB, 0x0d60),
+	INTC_VECT(FLCTL_FLSTEI, 0x0d80), INTC_VECT(FLCTL_FLTENDI, 0x0da0),
+	INTC_VECT(FLCTL_FLTREQ0I, 0x0dc0), INTC_VECT(FLCTL_FLTREQ1I, 0x0de0),
+	INTC_VECT(SDHI0, 0x0e00), INTC_VECT(SDHI0, 0x0e20),
+	INTC_VECT(SDHI0, 0x0e40), INTC_VECT(SDHI0, 0x0e60),
+	INTC_VECT(SDHI1, 0x0e80), INTC_VECT(SDHI1, 0x0ea0),
+	INTC_VECT(SDHI1, 0x0ec0), INTC_VECT(SDHI1, 0x0ee0),
+	INTC_VECT(MSU_MSU, 0x0f20), INTC_VECT(MSU_MSU2, 0x0f40),
+	INTC_VECT(IREM, 0x0f60),
+	INTC_VECT(SIU, 0x0fa0),
+	INTC_VECT(SPU, 0x0fc0),
+	INTC_VECT(IRDA, 0x0480),
+	INTC_VECT(TPU0, 0x04a0), INTC_VECT(TPU1, 0x04c0),
+	INTC_VECT(TPU2, 0x04e0), INTC_VECT(TPU3, 0x0500),
+	INTC_VECT(TPU4, 0x0520),
+	INTC_VECT(LCRC, 0x0540),
+	INTC_VECT(PINT1, 0x1000), INTC_VECT(PINT2, 0x1020),
+	INTC_VECT(TTI20, 0x1100),
+	INTC_VECT(MISTY, 0x1120),
+	INTC_VECT(DDM, 0x1140),
+	INTC_VECT(SDHI2, 0x1200), INTC_VECT(SDHI2, 0x1220),
+	INTC_VECT(SDHI2, 0x1240), INTC_VECT(SDHI2, 0x1260),
+	INTC_VECT(RWDT0, 0x1280), INTC_VECT(RWDT1, 0x12a0),
+	INTC_VECT(DMAC_1_DEI0, 0x2000), INTC_VECT(DMAC_1_DEI1, 0x2020),
+	INTC_VECT(DMAC_1_DEI2, 0x2040), INTC_VECT(DMAC_1_DEI3, 0x2060),
+	INTC_VECT(DMAC_2_DEI4, 0x2080), INTC_VECT(DMAC_2_DEI5, 0x20a0),
+	INTC_VECT(DMAC_2_DADERR, 0x20c0),
+	INTC_VECT(DMAC2_1_DEI0, 0x2100), INTC_VECT(DMAC2_1_DEI1, 0x2120),
+	INTC_VECT(DMAC2_1_DEI2, 0x2140), INTC_VECT(DMAC2_1_DEI3, 0x2160),
+	INTC_VECT(DMAC2_2_DEI4, 0x2180), INTC_VECT(DMAC2_2_DEI5, 0x21a0),
+	INTC_VECT(DMAC2_2_DADERR, 0x21c0),
+	INTC_VECT(DMAC3_1_DEI0, 0x2200), INTC_VECT(DMAC3_1_DEI1, 0x2220),
+	INTC_VECT(DMAC3_1_DEI2, 0x2240), INTC_VECT(DMAC3_1_DEI3, 0x2260),
+	INTC_VECT(DMAC3_2_DEI4, 0x2280), INTC_VECT(DMAC3_2_DEI5, 0x22a0),
+	INTC_VECT(DMAC3_2_DADERR, 0x22c0),
+};
+
+static struct intc_group intca_groups[] __initdata = {
+	INTC_GROUP(DMAC_1, DMAC_1_DEI0,
+		   DMAC_1_DEI1, DMAC_1_DEI2, DMAC_1_DEI3),
+	INTC_GROUP(DMAC_2, DMAC_2_DEI4,
+		   DMAC_2_DEI5, DMAC_2_DADERR),
+	INTC_GROUP(DMAC2_1, DMAC2_1_DEI0,
+		   DMAC2_1_DEI1, DMAC2_1_DEI2, DMAC2_1_DEI3),
+	INTC_GROUP(DMAC2_2, DMAC2_2_DEI4,
+		   DMAC2_2_DEI5, DMAC2_2_DADERR),
+	INTC_GROUP(DMAC3_1, DMAC3_1_DEI0,
+		   DMAC3_1_DEI1, DMAC3_1_DEI2, DMAC3_1_DEI3),
+	INTC_GROUP(DMAC3_2, DMAC3_2_DEI4,
+		   DMAC3_2_DEI5, DMAC3_2_DADERR),
+	INTC_GROUP(ETM11, ETM11_ACQCMP, ETM11_FULL),
+	INTC_GROUP(ARM11, ARM11_IRQPMU, ARM11_COMMTX, ARM11_COMMTX),
+	INTC_GROUP(USBHS, USBHS_USHI0, USBHS_USHI1),
+	INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLTENDI,
+		   FLCTL_FLTREQ0I, FLCTL_FLTREQ1I),
+	INTC_GROUP(IIC1, IIC1_ALI1, IIC1_TACKI1, IIC1_WAITI1, IIC1_DTEI1),
+};
+
+static struct intc_mask_reg intca_mask_registers[] = {
+	{ 0xe6900040, 0xe6900060, 8, /* INTMSK00A / INTMSKCLR00A */
+	  { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
+	{ 0xe6900044, 0xe6900064, 8, /* INTMSK10A / INTMSKCLR10A */
+	  { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
+	{ 0xe6940080, 0xe69400c0, 8, /* IMR0A / IMCR0A */
+	  { DMAC2_1_DEI3, DMAC2_1_DEI2, DMAC2_1_DEI1, DMAC2_1_DEI0,
+	    ARM11_IRQPMU, 0, ARM11_COMMTX, ARM11_COMMRX } },
+	{ 0xe6940084, 0xe69400c4, 8, /* IMR1A / IMCR1A */
+	  { CRYPT1_ERR, CRYPT2_STD, DIRC, 0,
+	    DMAC_1_DEI3, DMAC_1_DEI2, DMAC_1_DEI1, DMAC_1_DEI0 } },
+	{ 0xe6940088, 0xe69400c8, 8, /* IMR2A / IMCR2A */
+	  { PINT1, PINT2, 0, 0,
+	    BBIF1, BBIF2, MFI_MFIS, MFI_MFIM } },
+	{ 0xe694008c, 0xe69400cc, 8, /* IMR3A / IMCR3A */
+	  { DMAC3_1_DEI3, DMAC3_1_DEI2, DMAC3_1_DEI1, DMAC3_1_DEI0,
+	    DMAC3_2_DADERR, DMAC3_2_DEI5, DMAC3_2_DEI4, IRDA } },
+	{ 0xe6940090, 0xe69400d0, 8, /* IMR4A / IMCR4A */
+	  { DDM, 0, 0, 0,
+	    0, 0, ETM11_FULL, ETM11_ACQCMP } },
+	{ 0xe6940094, 0xe69400d4, 8, /* IMR5A / IMCR5A */
+	  { KEYSC_KEY, DMAC_2_DADERR, DMAC_2_DEI5, DMAC_2_DEI4,
+	    SCIFA3, SCIFA2, SCIFA1, SCIFA0 } },
+	{ 0xe6940098, 0xe69400d8, 8, /* IMR6A / IMCR6A */
+	  { SCIFB, SCIFA5, SCIFA4, MSIOF1,
+	    0, 0, MSIOF2, 0 } },
+	{ 0xe694009c, 0xe69400dc, 8, /* IMR7A / IMCR7A */
+	  { DISABLED, DISABLED, ENABLED, ENABLED,
+	    FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLTENDI, FLCTL_FLSTEI } },
+	{ 0xe69400a0, 0xe69400e0, 8, /* IMR8A / IMCR8A */
+	  { DISABLED, DISABLED, ENABLED, ENABLED,
+	    TTI20, USBDMAC_USHDMI, SPU, SIU } },
+	{ 0xe69400a4, 0xe69400e4, 8, /* IMR9A / IMCR9A */
+	  { CMT1_CMT13, CMT1_CMT12, CMT1_CMT11, CMT1_CMT10,
+	    CMT2, USBHS_USHI1, USBHS_USHI0, 0 } },
+	{ 0xe69400a8, 0xe69400e8, 8, /* IMR10A / IMCR10A */
+	  { 0, DMAC2_2_DADERR, DMAC2_2_DEI5, DMAC2_2_DEI4,
+	    0, 0, 0, 0 } },
+	{ 0xe69400ac, 0xe69400ec, 8, /* IMR11A / IMCR11A */
+	  { IIC1_DTEI1, IIC1_WAITI1, IIC1_TACKI1, IIC1_ALI1,
+	    LCRC, MSU_MSU2, IREM, MSU_MSU } },
+	{ 0xe69400b0, 0xe69400f0, 8, /* IMR12A / IMCR12A */
+	  { 0, 0, TPU0, TPU1,
+	    TPU2, TPU3, TPU4, 0 } },
+	{ 0xe69400b4, 0xe69400f4, 8, /* IMR13A / IMCR13A */
+	  { DISABLED, DISABLED, ENABLED, ENABLED,
+	    MISTY, CMT3, RWDT1, RWDT0 } },
+};
+
+static struct intc_prio_reg intca_prio_registers[] = {
+	{ 0xe6900010, 0, 32, 4, /* INTPRI00A */
+	  { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
+	{ 0xe6900014, 0, 32, 4, /* INTPRI10A */
+	  { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
+
+	{ 0xe6940000, 0, 16, 4, /* IPRAA */ { DMAC3_1, DMAC3_2, CMT2, LCRC } },
+	{ 0xe6940004, 0, 16, 4, /* IPRBA */ { IRDA, ETM11, BBIF1, BBIF2 } },
+	{ 0xe6940008, 0, 16, 4, /* IPRCA */ { CRYPT1_ERR, CRYPT2_STD,
+					      CMT1_CMT11, ARM11 } },
+	{ 0xe694000c, 0, 16, 4, /* IPRDA */ { PINT1, PINT2,
+					      CMT1_CMT12, TPU4 } },
+	{ 0xe6940010, 0, 16, 4, /* IPREA */ { DMAC_1, MFI_MFIS,
+					      MFI_MFIM, USBHS } },
+	{ 0xe6940014, 0, 16, 4, /* IPRFA */ { KEYSC_KEY, DMAC_2,
+					      0, CMT1_CMT10 } },
+	{ 0xe6940018, 0, 16, 4, /* IPRGA */ { SCIFA0, SCIFA1,
+					      SCIFA2, SCIFA3 } },
+	{ 0xe694001c, 0, 16, 4, /* IPRGH */ { MSIOF2, USBDMAC_USHDMI,
+					      FLCTL, SDHI0 } },
+	{ 0xe6940020, 0, 16, 4, /* IPRIA */ { MSIOF1, SCIFA4, MSU_MSU, IIC1 } },
+	{ 0xe6940024, 0, 16, 4, /* IPRJA */ { DMAC2_1, DMAC2_2, SIU, TTI20 } },
+	{ 0xe6940028, 0, 16, 4, /* IPRKA */ { 0, CMT1_CMT13, IREM, SDHI1 } },
+	{ 0xe694002c, 0, 16, 4, /* IPRLA */ { TPU0, TPU1, TPU2, TPU3 } },
+	{ 0xe6940030, 0, 16, 4, /* IPRMA */ { MISTY, CMT3, RWDT1, RWDT0 } },
+	{ 0xe6940034, 0, 16, 4, /* IPRNA */ { SCIFB, SCIFA5, SPU, DDM } },
+	{ 0xe6940038, 0, 16, 4, /* IPROA */ { 0, 0, DIRC, SDHI2 } },
+};
+
+static struct intc_sense_reg intca_sense_registers[] __initdata = {
+	{ 0xe6900000, 16, 2, /* ICR1A */
+	  { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
+	{ 0xe6900004, 16, 2, /* ICR2A */
+	  { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
+};
+
+static struct intc_mask_reg intca_ack_registers[] __initdata = {
+	{ 0xe6900020, 0, 8, /* INTREQ00A */
+	  { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
+	{ 0xe6900024, 0, 8, /* INTREQ10A */
+	  { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
+};
+
+static struct intc_desc intca_desc __initdata = {
+	.name = "sh7367-intca",
+	.force_enable = ENABLED,
+	.force_disable = DISABLED,
+	.hw = INTC_HW_DESC(intca_vectors, intca_groups,
+			   intca_mask_registers, intca_prio_registers,
+			   intca_sense_registers, intca_ack_registers),
+};
+
+void __init sh7367_init_irq(void)
+{
+	/* INTCA */
+	register_intc_controller(&intca_desc);
+}
diff --git a/arch/arm/mach-shmobile/intc-sh7372.c b/arch/arm/mach-shmobile/intc-sh7372.c
new file mode 100644
index 000000000000..3ce9d9bd5899
--- /dev/null
+++ b/arch/arm/mach-shmobile/intc-sh7372.c
@@ -0,0 +1,369 @@
+/*
+ * sh7372 processor support - INTC hardware block
+ *
+ * Copyright (C) 2010  Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/sh_intc.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+enum {
+	UNUSED_INTCA = 0,
+	ENABLED,
+	DISABLED,
+
+	/* interrupt sources INTCA */
+	IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A,
+	IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A,
+	IRQ16A, IRQ17A, IRQ18A, IRQ19A, IRQ20A, IRQ21A, IRQ22A, IRQ23A,
+	IRQ24A, IRQ25A, IRQ26A, IRQ27A, IRQ28A, IRQ29A, IRQ30A, IRQ31A,
+	DIRC,
+	CRYPT_STD,
+	IIC1_ALI1, IIC1_TACKI1, IIC1_WAITI1, IIC1_DTEI1,
+	AP_ARM_IRQPMU, AP_ARM_COMMTX, AP_ARM_COMMRX,
+	MFI_MFIM, MFI_MFIS,
+	BBIF1, BBIF2,
+	USBHSDMAC0_USHDMI,
+	_3DG_SGX540,
+	CMT1_CMT10, CMT1_CMT11, CMT1_CMT12, CMT1_CMT13, CMT2, CMT3,
+	KEYSC_KEY,
+	SCIFA0, SCIFA1, SCIFA2, SCIFA3,
+	MSIOF2, MSIOF1,
+	SCIFA4, SCIFA5, SCIFB,
+	FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I,
+	SDHI0,
+	SDHI1,
+	IRREM,
+	IRDA,
+	TPU0,
+	TTI20,
+	DDM,
+	SDHI2,
+	RWDT0,
+	DMAC1_1_DEI0, DMAC1_1_DEI1, DMAC1_1_DEI2, DMAC1_1_DEI3,
+	DMAC1_2_DEI4, DMAC1_2_DEI5, DMAC1_2_DADERR,
+	DMAC2_1_DEI0, DMAC2_1_DEI1, DMAC2_1_DEI2, DMAC2_1_DEI3,
+	DMAC2_2_DEI4, DMAC2_2_DEI5, DMAC2_2_DADERR,
+	DMAC3_1_DEI0, DMAC3_1_DEI1, DMAC3_1_DEI2, DMAC3_1_DEI3,
+	DMAC3_2_DEI4, DMAC3_2_DEI5, DMAC3_2_DADERR,
+	SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM,
+	HDMI,
+	SPU2_SPU0, SPU2_SPU1,
+	FSI, FMSI,
+	MIPI_HSI,
+	IPMMU_IPMMUD,
+	CEC_1, CEC_2,
+	AP_ARM_CTIIRQ, AP_ARM_DMAEXTERRIRQ, AP_ARM_DMAIRQ, AP_ARM_DMASIRQ,
+	MFIS2,
+	CPORTR2S,
+	CMT14, CMT15,
+	MMC_MMC_ERR, MMC_MMC_NOR,
+	IIC4_ALI4, IIC4_TACKI4, IIC4_WAITI4, IIC4_DTEI4,
+	IIC3_ALI3, IIC3_TACKI3, IIC3_WAITI3, IIC3_DTEI3,
+	USB0_USB0I1, USB0_USB0I0,
+	USB1_USB1I1, USB1_USB1I0,
+	USBHSDMAC1_USHDMI,
+
+	/* interrupt groups INTCA */
+	DMAC1_1, DMAC1_2, DMAC2_1, DMAC2_2, DMAC3_1, DMAC3_2, SHWYSTAT,
+	AP_ARM1, AP_ARM2, SPU2, FLCTL, IIC1
+};
+
+static struct intc_vect intca_vectors[] __initdata = {
+	INTC_VECT(IRQ0A, 0x0200), INTC_VECT(IRQ1A, 0x0220),
+	INTC_VECT(IRQ2A, 0x0240), INTC_VECT(IRQ3A, 0x0260),
+	INTC_VECT(IRQ4A, 0x0280), INTC_VECT(IRQ5A, 0x02a0),
+	INTC_VECT(IRQ6A, 0x02c0), INTC_VECT(IRQ7A, 0x02e0),
+	INTC_VECT(IRQ8A, 0x0300), INTC_VECT(IRQ9A, 0x0320),
+	INTC_VECT(IRQ10A, 0x0340), INTC_VECT(IRQ11A, 0x0360),
+	INTC_VECT(IRQ12A, 0x0380), INTC_VECT(IRQ13A, 0x03a0),
+	INTC_VECT(IRQ14A, 0x03c0), INTC_VECT(IRQ15A, 0x03e0),
+	INTC_VECT(IRQ16A, 0x3200), INTC_VECT(IRQ17A, 0x3220),
+	INTC_VECT(IRQ18A, 0x3240), INTC_VECT(IRQ19A, 0x3260),
+	INTC_VECT(IRQ20A, 0x3280), INTC_VECT(IRQ31A, 0x32a0),
+	INTC_VECT(IRQ22A, 0x32c0), INTC_VECT(IRQ23A, 0x32e0),
+	INTC_VECT(IRQ24A, 0x3300), INTC_VECT(IRQ25A, 0x3320),
+	INTC_VECT(IRQ26A, 0x3340), INTC_VECT(IRQ27A, 0x3360),
+	INTC_VECT(IRQ28A, 0x3380), INTC_VECT(IRQ29A, 0x33a0),
+	INTC_VECT(IRQ30A, 0x33c0), INTC_VECT(IRQ31A, 0x33e0),
+	INTC_VECT(DIRC, 0x0560),
+	INTC_VECT(CRYPT_STD, 0x0700),
+	INTC_VECT(IIC1_ALI1, 0x0780), INTC_VECT(IIC1_TACKI1, 0x07a0),
+	INTC_VECT(IIC1_WAITI1, 0x07c0), INTC_VECT(IIC1_DTEI1, 0x07e0),
+	INTC_VECT(AP_ARM_IRQPMU, 0x0800), INTC_VECT(AP_ARM_COMMTX, 0x0840),
+	INTC_VECT(AP_ARM_COMMRX, 0x0860),
+	INTC_VECT(MFI_MFIM, 0x0900), INTC_VECT(MFI_MFIS, 0x0920),
+	INTC_VECT(BBIF1, 0x0940), INTC_VECT(BBIF2, 0x0960),
+	INTC_VECT(USBHSDMAC0_USHDMI, 0x0a00),
+	INTC_VECT(_3DG_SGX540, 0x0a60),
+	INTC_VECT(CMT1_CMT10, 0x0b00), INTC_VECT(CMT1_CMT11, 0x0b20),
+	INTC_VECT(CMT1_CMT12, 0x0b40), INTC_VECT(CMT1_CMT13, 0x0b60),
+	INTC_VECT(CMT2, 0x0b80), INTC_VECT(CMT3, 0x0ba0),
+	INTC_VECT(KEYSC_KEY, 0x0be0),
+	INTC_VECT(SCIFA0, 0x0c00), INTC_VECT(SCIFA1, 0x0c20),
+	INTC_VECT(SCIFA2, 0x0c40), INTC_VECT(SCIFA3, 0x0c60),
+	INTC_VECT(MSIOF2, 0x0c80), INTC_VECT(MSIOF1, 0x0d00),
+	INTC_VECT(SCIFA4, 0x0d20), INTC_VECT(SCIFA5, 0x0d40),
+	INTC_VECT(SCIFB, 0x0d60),
+	INTC_VECT(FLCTL_FLSTEI, 0x0d80), INTC_VECT(FLCTL_FLTENDI, 0x0da0),
+	INTC_VECT(FLCTL_FLTREQ0I, 0x0dc0), INTC_VECT(FLCTL_FLTREQ1I, 0x0de0),
+	INTC_VECT(SDHI0, 0x0e00), INTC_VECT(SDHI0, 0x0e20),
+	INTC_VECT(SDHI0, 0x0e40), INTC_VECT(SDHI0, 0x0e60),
+	INTC_VECT(SDHI1, 0x0e80), INTC_VECT(SDHI1, 0x0ea0),
+	INTC_VECT(SDHI1, 0x0ec0),
+	INTC_VECT(IRREM, 0x0f60),
+	INTC_VECT(IRDA, 0x0480),
+	INTC_VECT(TPU0, 0x04a0),
+	INTC_VECT(TTI20, 0x1100),
+	INTC_VECT(DDM, 0x1140),
+	INTC_VECT(SDHI2, 0x1200), INTC_VECT(SDHI2, 0x1220),
+	INTC_VECT(SDHI2, 0x1240), INTC_VECT(SDHI2, 0x1260),
+	INTC_VECT(RWDT0, 0x1280),
+	INTC_VECT(DMAC1_1_DEI0, 0x2000), INTC_VECT(DMAC1_1_DEI1, 0x2020),
+	INTC_VECT(DMAC1_1_DEI2, 0x2040), INTC_VECT(DMAC1_1_DEI3, 0x2060),
+	INTC_VECT(DMAC1_2_DEI4, 0x2080), INTC_VECT(DMAC1_2_DEI5, 0x20a0),
+	INTC_VECT(DMAC1_2_DADERR, 0x20c0),
+	INTC_VECT(DMAC2_1_DEI0, 0x2100), INTC_VECT(DMAC2_1_DEI1, 0x2120),
+	INTC_VECT(DMAC2_1_DEI2, 0x2140), INTC_VECT(DMAC2_1_DEI3, 0x2160),
+	INTC_VECT(DMAC2_2_DEI4, 0x2180), INTC_VECT(DMAC2_2_DEI5, 0x21a0),
+	INTC_VECT(DMAC2_2_DADERR, 0x21c0),
+	INTC_VECT(DMAC3_1_DEI0, 0x2200), INTC_VECT(DMAC3_1_DEI1, 0x2220),
+	INTC_VECT(DMAC3_1_DEI2, 0x2240), INTC_VECT(DMAC3_1_DEI3, 0x2260),
+	INTC_VECT(DMAC3_2_DEI4, 0x2280), INTC_VECT(DMAC3_2_DEI5, 0x22a0),
+	INTC_VECT(DMAC3_2_DADERR, 0x22c0),
+	INTC_VECT(SHWYSTAT_RT, 0x1300), INTC_VECT(SHWYSTAT_HS, 0x1320),
+	INTC_VECT(SHWYSTAT_COM, 0x1340),
+	INTC_VECT(HDMI, 0x17e0),
+	INTC_VECT(SPU2_SPU0, 0x1800), INTC_VECT(SPU2_SPU1, 0x1820),
+	INTC_VECT(FSI, 0x1840),
+	INTC_VECT(FMSI, 0x1860),
+	INTC_VECT(MIPI_HSI, 0x18e0),
+	INTC_VECT(IPMMU_IPMMUD, 0x1920),
+	INTC_VECT(CEC_1, 0x1940), INTC_VECT(CEC_2, 0x1960),
+	INTC_VECT(AP_ARM_CTIIRQ, 0x1980),
+	INTC_VECT(AP_ARM_DMAEXTERRIRQ, 0x19a0),
+	INTC_VECT(AP_ARM_DMAIRQ, 0x19c0),
+	INTC_VECT(AP_ARM_DMASIRQ, 0x19e0),
+	INTC_VECT(MFIS2, 0x1a00),
+	INTC_VECT(CPORTR2S, 0x1a20),
+	INTC_VECT(CMT14, 0x1a40), INTC_VECT(CMT15, 0x1a60),
+	INTC_VECT(MMC_MMC_ERR, 0x1ac0), INTC_VECT(MMC_MMC_NOR, 0x1ae0),
+	INTC_VECT(IIC4_ALI4, 0x1b00), INTC_VECT(IIC4_TACKI4, 0x1b20),
+	INTC_VECT(IIC4_WAITI4, 0x1b40), INTC_VECT(IIC4_DTEI4, 0x1b60),
+	INTC_VECT(IIC3_ALI3, 0x1b80), INTC_VECT(IIC3_TACKI3, 0x1ba0),
+	INTC_VECT(IIC3_WAITI3, 0x1bc0), INTC_VECT(IIC3_DTEI3, 0x1be0),
+	INTC_VECT(USB0_USB0I1, 0x1c80), INTC_VECT(USB0_USB0I0, 0x1ca0),
+	INTC_VECT(USB1_USB1I1, 0x1cc0), INTC_VECT(USB1_USB1I0, 0x1ce0),
+	INTC_VECT(USBHSDMAC1_USHDMI, 0x1d00),
+};
+
+static struct intc_group intca_groups[] __initdata = {
+	INTC_GROUP(DMAC1_1, DMAC1_1_DEI0,
+		   DMAC1_1_DEI1, DMAC1_1_DEI2, DMAC1_1_DEI3),
+	INTC_GROUP(DMAC1_2, DMAC1_2_DEI4,
+		   DMAC1_2_DEI5, DMAC1_2_DADERR),
+	INTC_GROUP(DMAC2_1, DMAC2_1_DEI0,
+		   DMAC2_1_DEI1, DMAC2_1_DEI2, DMAC2_1_DEI3),
+	INTC_GROUP(DMAC2_2, DMAC2_2_DEI4,
+		   DMAC2_2_DEI5, DMAC2_2_DADERR),
+	INTC_GROUP(DMAC3_1, DMAC3_1_DEI0,
+		   DMAC3_1_DEI1, DMAC3_1_DEI2, DMAC3_1_DEI3),
+	INTC_GROUP(DMAC3_2, DMAC3_2_DEI4,
+		   DMAC3_2_DEI5, DMAC3_2_DADERR),
+	INTC_GROUP(AP_ARM1, AP_ARM_IRQPMU, AP_ARM_COMMTX, AP_ARM_COMMRX),
+	INTC_GROUP(AP_ARM2, AP_ARM_CTIIRQ, AP_ARM_DMAEXTERRIRQ,
+		   AP_ARM_DMAIRQ, AP_ARM_DMASIRQ),
+	INTC_GROUP(SPU2, SPU2_SPU0, SPU2_SPU1),
+	INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLTENDI,
+		   FLCTL_FLTREQ0I, FLCTL_FLTREQ1I),
+	INTC_GROUP(IIC1, IIC1_ALI1, IIC1_TACKI1, IIC1_WAITI1, IIC1_DTEI1),
+	INTC_GROUP(SHWYSTAT, SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM),
+};
+
+static struct intc_mask_reg intca_mask_registers[] __initdata = {
+	{ 0xe6900040, 0xe6900060, 8, /* INTMSK00A / INTMSKCLR00A */
+	  { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
+	{ 0xe6900044, 0xe6900064, 8, /* INTMSK10A / INTMSKCLR10A */
+	  { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
+	{ 0xe6900048, 0xe6900068, 8, /* INTMSK20A / INTMSKCLR20A */
+	  { IRQ16A, IRQ17A, IRQ18A, IRQ19A, IRQ20A, IRQ21A, IRQ22A, IRQ23A } },
+	{ 0xe690004c, 0xe690006c, 8, /* INTMSK30A / INTMSKCLR30A */
+	  { IRQ24A, IRQ25A, IRQ26A, IRQ27A, IRQ28A, IRQ29A, IRQ30A, IRQ31A } },
+
+	{ 0xe6940080, 0xe69400c0, 8, /* IMR0A / IMCR0A */
+	  { DMAC2_1_DEI3, DMAC2_1_DEI2, DMAC2_1_DEI1, DMAC2_1_DEI0,
+	    AP_ARM_IRQPMU, 0, AP_ARM_COMMTX, AP_ARM_COMMRX } },
+	{ 0xe6940084, 0xe69400c4, 8, /* IMR1A / IMCR1A */
+	  { 0, CRYPT_STD, DIRC, 0,
+	    DMAC1_1_DEI3, DMAC1_1_DEI2, DMAC1_1_DEI1, DMAC1_1_DEI0 } },
+	{ 0xe6940088, 0xe69400c8, 8, /* IMR2A / IMCR2A */
+	  { 0, 0, 0, 0,
+	    BBIF1, BBIF2, MFI_MFIS, MFI_MFIM } },
+	{ 0xe694008c, 0xe69400cc, 8, /* IMR3A / IMCR3A */
+	  { DMAC3_1_DEI3, DMAC3_1_DEI2, DMAC3_1_DEI1, DMAC3_1_DEI0,
+	    DMAC3_2_DADERR, DMAC3_2_DEI5, DMAC3_2_DEI4, IRDA } },
+	{ 0xe6940090, 0xe69400d0, 8, /* IMR4A / IMCR4A */
+	  { DDM, 0, 0, 0,
+	    0, 0, 0, 0 } },
+	{ 0xe6940094, 0xe69400d4, 8, /* IMR5A / IMCR5A */
+	  { KEYSC_KEY, DMAC1_2_DADERR, DMAC1_2_DEI5, DMAC1_2_DEI4,
+	    SCIFA3, SCIFA2, SCIFA1, SCIFA0 } },
+	{ 0xe6940098, 0xe69400d8, 8, /* IMR6A / IMCR6A */
+	  { SCIFB, SCIFA5, SCIFA4, MSIOF1,
+	    0, 0, MSIOF2, 0 } },
+	{ 0xe694009c, 0xe69400dc, 8, /* IMR7A / IMCR7A */
+	  { DISABLED, DISABLED, ENABLED, ENABLED,
+	    FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLTENDI, FLCTL_FLSTEI } },
+	{ 0xe69400a0, 0xe69400e0, 8, /* IMR8A / IMCR8A */
+	  { 0, DISABLED, ENABLED, ENABLED,
+	    TTI20, USBHSDMAC0_USHDMI, 0, 0 } },
+	{ 0xe69400a4, 0xe69400e4, 8, /* IMR9A / IMCR9A */
+	  { CMT1_CMT13, CMT1_CMT12, CMT1_CMT11, CMT1_CMT10,
+	    CMT2, 0, 0, _3DG_SGX540 } },
+	{ 0xe69400a8, 0xe69400e8, 8, /* IMR10A / IMCR10A */
+	  { 0, DMAC2_2_DADERR, DMAC2_2_DEI5, DMAC2_2_DEI4,
+	    0, 0, 0, 0 } },
+	{ 0xe69400ac, 0xe69400ec, 8, /* IMR11A / IMCR11A */
+	  { IIC1_DTEI1, IIC1_WAITI1, IIC1_TACKI1, IIC1_ALI1,
+	    0, 0, IRREM, 0 } },
+	{ 0xe69400b0, 0xe69400f0, 8, /* IMR12A / IMCR12A */
+	  { 0, 0, TPU0, 0,
+	    0, 0, 0, 0 } },
+	{ 0xe69400b4, 0xe69400f4, 8, /* IMR13A / IMCR13A */
+	  { DISABLED, DISABLED, ENABLED, ENABLED,
+	    0, CMT3, 0, RWDT0 } },
+	{ 0xe6950080, 0xe69500c0, 8, /* IMR0A3 / IMCR0A3 */
+	  { SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM, 0,
+	    0, 0, 0, 0 } },
+	{ 0xe6950090, 0xe69500d0, 8, /* IMR4A3 / IMCR4A3 */
+	  { 0, 0, 0, 0,
+	    0, 0, 0, HDMI } },
+	{ 0xe6950094, 0xe69500d4, 8, /* IMR5A3 / IMCR5A3 */
+	  { SPU2_SPU0, SPU2_SPU1, FSI, FMSI,
+	    0, 0, 0, MIPI_HSI } },
+	{ 0xe6950098, 0xe69500d8, 8, /* IMR6A3 / IMCR6A3 */
+	  { 0, IPMMU_IPMMUD, CEC_1, CEC_2,
+	    AP_ARM_CTIIRQ, AP_ARM_DMAEXTERRIRQ,
+	    AP_ARM_DMAIRQ, AP_ARM_DMASIRQ } },
+	{ 0xe695009c, 0xe69500dc, 8, /* IMR7A3 / IMCR7A3 */
+	  { MFIS2, CPORTR2S, CMT14, CMT15,
+	    0, 0, MMC_MMC_ERR, MMC_MMC_NOR } },
+	{ 0xe69500a0, 0xe69500e0, 8, /* IMR8A3 / IMCR8A3 */
+	  { IIC4_ALI4, IIC4_TACKI4, IIC4_WAITI4, IIC4_DTEI4,
+	    IIC3_ALI3, IIC3_TACKI3, IIC3_WAITI3, IIC3_DTEI3 } },
+	{ 0xe69500a4, 0xe69500e4, 8, /* IMR9A3 / IMCR9A3 */
+	  { 0, 0, 0, 0,
+	    USB0_USB0I1, USB0_USB0I0, USB1_USB1I1, USB1_USB1I0 } },
+	{ 0xe69500a8, 0xe69500e8, 8, /* IMR10A3 / IMCR10A3 */
+	  { USBHSDMAC1_USHDMI, 0, 0, 0,
+	    0, 0, 0, 0 } },
+};
+
+static struct intc_prio_reg intca_prio_registers[] __initdata = {
+	{ 0xe6900010, 0, 32, 4, /* INTPRI00A */
+	  { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
+	{ 0xe6900014, 0, 32, 4, /* INTPRI10A */
+	  { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
+	{ 0xe6900018, 0, 32, 4, /* INTPRI20A */
+	  { IRQ16A, IRQ17A, IRQ18A, IRQ19A, IRQ20A, IRQ21A, IRQ22A, IRQ23A } },
+	{ 0xe690001c, 0, 32, 4, /* INTPRI30A */
+	  { IRQ24A, IRQ25A, IRQ26A, IRQ27A, IRQ28A, IRQ29A, IRQ30A, IRQ31A } },
+
+	{ 0xe6940000, 0, 16, 4, /* IPRAA */ { DMAC3_1, DMAC3_2, CMT2, 0 } },
+	{ 0xe6940004, 0, 16, 4, /* IPRBA */ { IRDA, 0, BBIF1, BBIF2 } },
+	{ 0xe6940008, 0, 16, 4, /* IPRCA */ { 0, CRYPT_STD,
+					      CMT1_CMT11, AP_ARM1 } },
+	{ 0xe694000c, 0, 16, 4, /* IPRDA */ { 0, 0,
+					      CMT1_CMT12, 0 } },
+	{ 0xe6940010, 0, 16, 4, /* IPREA */ { DMAC1_1, MFI_MFIS,
+					      MFI_MFIM, 0 } },
+	{ 0xe6940014, 0, 16, 4, /* IPRFA */ { KEYSC_KEY, DMAC1_2,
+					      _3DG_SGX540, CMT1_CMT10 } },
+	{ 0xe6940018, 0, 16, 4, /* IPRGA */ { SCIFA0, SCIFA1,
+					      SCIFA2, SCIFA3 } },
+	{ 0xe694001c, 0, 16, 4, /* IPRGH */ { MSIOF2, USBHSDMAC0_USHDMI,
+					      FLCTL, SDHI0 } },
+	{ 0xe6940020, 0, 16, 4, /* IPRIA */ { MSIOF1, SCIFA4,
+					      0/* MSU */, IIC1 } },
+	{ 0xe6940024, 0, 16, 4, /* IPRJA */ { DMAC2_1, DMAC2_2,
+					      0/* MSUG */, TTI20 } },
+	{ 0xe6940028, 0, 16, 4, /* IPRKA */ { 0, CMT1_CMT13, IRREM, SDHI1 } },
+	{ 0xe694002c, 0, 16, 4, /* IPRLA */ { TPU0, 0, 0, 0 } },
+	{ 0xe6940030, 0, 16, 4, /* IPRMA */ { 0, CMT3, 0, RWDT0 } },
+	{ 0xe6940034, 0, 16, 4, /* IPRNA */ { SCIFB, SCIFA5, 0, DDM } },
+	{ 0xe6940038, 0, 16, 4, /* IPROA */ { 0, 0, DIRC, SDHI2 } },
+	{ 0xe6950000, 0, 16, 4, /* IPRAA3 */ { SHWYSTAT, 0, 0, 0 } },
+	{ 0xe6950024, 0, 16, 4, /* IPRJA3 */ { 0, 0, 0, HDMI } },
+	{ 0xe6950028, 0, 16, 4, /* IPRKA3 */ { SPU2, 0, FSI, FMSI } },
+	{ 0xe695002c, 0, 16, 4, /* IPRLA3 */ { 0, 0, 0, MIPI_HSI } },
+	{ 0xe6950030, 0, 16, 4, /* IPRMA3 */ { IPMMU_IPMMUD, 0,
+					       CEC_1, CEC_2 } },
+	{ 0xe6950034, 0, 16, 4, /* IPRNA3 */ { AP_ARM2, 0, 0, 0 } },
+	{ 0xe6950038, 0, 16, 4, /* IPROA3 */ { MFIS2, CPORTR2S,
+					       CMT14, CMT15 } },
+	{ 0xe694003c, 0, 16, 4, /* IPRPA3 */ { 0, 0,
+					       MMC_MMC_ERR, MMC_MMC_NOR } },
+	{ 0xe6940040, 0, 16, 4, /* IPRQA3 */ { IIC4_ALI4, IIC4_TACKI4,
+					       IIC4_WAITI4, IIC4_DTEI4 } },
+	{ 0xe6940044, 0, 16, 4, /* IPRRA3 */ { IIC3_ALI3, IIC3_TACKI3,
+					       IIC3_WAITI3, IIC3_DTEI3 } },
+	{ 0xe6940048, 0, 16, 4, /* IPRSA3 */ { 0/*ERI*/, 0/*RXI*/,
+					       0/*TXI*/, 0/*TEI*/} },
+	{ 0xe694004c, 0, 16, 4, /* IPRTA3 */ { USB0_USB0I1, USB0_USB0I0,
+					       USB1_USB1I1, USB1_USB1I0 } },
+	{ 0xe6940050, 0, 16, 4, /* IPRUA3 */ { USBHSDMAC1_USHDMI, 0, 0, 0 } },
+};
+
+static struct intc_sense_reg intca_sense_registers[] __initdata = {
+	{ 0xe6900000, 32, 4, /* ICR1A */
+	  { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
+	{ 0xe6900004, 32, 4, /* ICR2A */
+	  { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
+	{ 0xe6900008, 32, 4, /* ICR3A */
+	  { IRQ16A, IRQ17A, IRQ18A, IRQ19A, IRQ20A, IRQ21A, IRQ22A, IRQ23A } },
+	{ 0xe690000c, 32, 4, /* ICR4A */
+	  { IRQ24A, IRQ25A, IRQ26A, IRQ27A, IRQ28A, IRQ29A, IRQ30A, IRQ31A } },
+};
+
+static struct intc_mask_reg intca_ack_registers[] __initdata = {
+	{ 0xe6900020, 0, 8, /* INTREQ00A */
+	  { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
+	{ 0xe6900024, 0, 8, /* INTREQ10A */
+	  { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
+	{ 0xe6900028, 0, 8, /* INTREQ20A */
+	  { IRQ16A, IRQ17A, IRQ18A, IRQ19A, IRQ20A, IRQ21A, IRQ22A, IRQ23A } },
+	{ 0xe690002c, 0, 8, /* INTREQ30A */
+	  { IRQ24A, IRQ25A, IRQ26A, IRQ27A, IRQ28A, IRQ29A, IRQ30A, IRQ31A } },
+};
+
+static struct intc_desc intca_desc __initdata = {
+	.name = "sh7372-intca",
+	.force_enable = ENABLED,
+	.force_disable = DISABLED,
+	.hw = INTC_HW_DESC(intca_vectors, intca_groups,
+			   intca_mask_registers, intca_prio_registers,
+			   intca_sense_registers, intca_ack_registers),
+};
+
+void __init sh7372_init_irq(void)
+{
+	register_intc_controller(&intca_desc);
+}
diff --git a/arch/arm/mach-shmobile/intc-sh7377.c b/arch/arm/mach-shmobile/intc-sh7377.c
new file mode 100644
index 000000000000..5c781e2d1897
--- /dev/null
+++ b/arch/arm/mach-shmobile/intc-sh7377.c
@@ -0,0 +1,352 @@
+/*
+ * sh7377 processor support - INTC hardware block
+ *
+ * Copyright (C) 2010  Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <linux/sh_intc.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+enum {
+	UNUSED_INTCA = 0,
+	ENABLED,
+	DISABLED,
+
+	/* interrupt sources INTCA */
+	IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A,
+	IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A,
+	IRQ16A, IRQ17A, IRQ18A, IRQ19A, IRQ20A, IRQ21A, IRQ22A, IRQ23A,
+	IRQ24A, IRQ25A, IRQ26A, IRQ27A, IRQ28A, IRQ29A, IRQ30A, IRQ31A,
+	DIRC,
+	_2DG,
+	CRYPT_STD,
+	IIC1_ALI1, IIC1_TACKI1, IIC1_WAITI1, IIC1_DTEI1,
+	AP_ARM_IRQPMU, AP_ARM_COMMTX, AP_ARM_COMMRX,
+	MFI_MFIM, MFI_MFIS,
+	BBIF1, BBIF2,
+	USBDMAC_USHDMI,
+	USBHS_USHI0, USBHS_USHI1,
+	_3DG_SGX540,
+	CMT1_CMT10, CMT1_CMT11, CMT1_CMT12, CMT1_CMT13, CMT2, CMT3,
+	KEYSC_KEY,
+	SCIFA0, SCIFA1, SCIFA2, SCIFA3,
+	MSIOF2, MSIOF1,
+	SCIFA4, SCIFA5, SCIFB,
+	FLCTL_FLSTEI, FLCTL_FLTENDI, FLCTL_FLTREQ0I, FLCTL_FLTREQ1I,
+	SDHI0,
+	SDHI1,
+	MSU_MSU, MSU_MSU2,
+	IRREM,
+	MSUG,
+	IRDA,
+	TPU0, TPU1, TPU2, TPU3, TPU4,
+	LCRC,
+	PINTCA_PINT1, PINTCA_PINT2,
+	TTI20,
+	MISTY,
+	DDM,
+	RWDT0, RWDT1,
+	DMAC_1_DEI0, DMAC_1_DEI1, DMAC_1_DEI2, DMAC_1_DEI3,
+	DMAC_2_DEI4, DMAC_2_DEI5, DMAC_2_DADERR,
+	DMAC2_1_DEI0, DMAC2_1_DEI1, DMAC2_1_DEI2, DMAC2_1_DEI3,
+	DMAC2_2_DEI4, DMAC2_2_DEI5, DMAC2_2_DADERR,
+	DMAC3_1_DEI0, DMAC3_1_DEI1, DMAC3_1_DEI2, DMAC3_1_DEI3,
+	DMAC3_2_DEI4, DMAC3_2_DEI5, DMAC3_2_DADERR,
+	SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM,
+	ICUSB_ICUSB0, ICUSB_ICUSB1,
+	ICUDMC_ICUDMC1, ICUDMC_ICUDMC2,
+	SPU2_SPU0, SPU2_SPU1,
+	FSI,
+	FMSI,
+	SCUV,
+	IPMMU_IPMMUB,
+	AP_ARM_CTIIRQ, AP_ARM_DMAEXTERRIRQ, AP_ARM_DMAIRQ, AP_ARM_DMASIRQ,
+	MFIS2,
+	CPORTR2S,
+	CMT14, CMT15,
+	SCIFA6,
+
+	/* interrupt groups INTCA */
+	DMAC_1, DMAC_2,	DMAC2_1, DMAC2_2, DMAC3_1, DMAC3_2, SHWYSTAT,
+	AP_ARM1, AP_ARM2, USBHS, SPU2, FLCTL, IIC1,
+	ICUSB, ICUDMC
+};
+
+static struct intc_vect intca_vectors[] = {
+	INTC_VECT(IRQ0A, 0x0200), INTC_VECT(IRQ1A, 0x0220),
+	INTC_VECT(IRQ2A, 0x0240), INTC_VECT(IRQ3A, 0x0260),
+	INTC_VECT(IRQ4A, 0x0280), INTC_VECT(IRQ5A, 0x02a0),
+	INTC_VECT(IRQ6A, 0x02c0), INTC_VECT(IRQ7A, 0x02e0),
+	INTC_VECT(IRQ8A, 0x0300), INTC_VECT(IRQ9A, 0x0320),
+	INTC_VECT(IRQ10A, 0x0340), INTC_VECT(IRQ11A, 0x0360),
+	INTC_VECT(IRQ12A, 0x0380), INTC_VECT(IRQ13A, 0x03a0),
+	INTC_VECT(IRQ14A, 0x03c0), INTC_VECT(IRQ15A, 0x03e0),
+	INTC_VECT(IRQ16A, 0x3200), INTC_VECT(IRQ17A, 0x3220),
+	INTC_VECT(IRQ18A, 0x3240), INTC_VECT(IRQ19A, 0x3260),
+	INTC_VECT(IRQ20A, 0x3280), INTC_VECT(IRQ31A, 0x32a0),
+	INTC_VECT(IRQ22A, 0x32c0), INTC_VECT(IRQ23A, 0x32e0),
+	INTC_VECT(IRQ24A, 0x3300), INTC_VECT(IRQ25A, 0x3320),
+	INTC_VECT(IRQ26A, 0x3340), INTC_VECT(IRQ27A, 0x3360),
+	INTC_VECT(IRQ28A, 0x3380), INTC_VECT(IRQ29A, 0x33a0),
+	INTC_VECT(IRQ30A, 0x33c0), INTC_VECT(IRQ31A, 0x33e0),
+	INTC_VECT(DIRC, 0x0560),
+	INTC_VECT(_2DG, 0x05e0),
+	INTC_VECT(CRYPT_STD, 0x0700),
+	INTC_VECT(IIC1_ALI1, 0x0780), INTC_VECT(IIC1_TACKI1, 0x07a0),
+	INTC_VECT(IIC1_WAITI1, 0x07c0), INTC_VECT(IIC1_DTEI1, 0x07e0),
+	INTC_VECT(AP_ARM_IRQPMU, 0x0800), INTC_VECT(AP_ARM_COMMTX, 0x0840),
+	INTC_VECT(AP_ARM_COMMRX, 0x0860),
+	INTC_VECT(MFI_MFIM, 0x0900), INTC_VECT(MFI_MFIS, 0x0920),
+	INTC_VECT(BBIF1, 0x0940), INTC_VECT(BBIF2, 0x0960),
+	INTC_VECT(USBDMAC_USHDMI, 0x0a00),
+	INTC_VECT(USBHS_USHI0, 0x0a20), INTC_VECT(USBHS_USHI1, 0x0a40),
+	INTC_VECT(_3DG_SGX540, 0x0a60),
+	INTC_VECT(CMT1_CMT10, 0x0b00), INTC_VECT(CMT1_CMT11, 0x0b20),
+	INTC_VECT(CMT1_CMT12, 0x0b40), INTC_VECT(CMT1_CMT13, 0x0b60),
+	INTC_VECT(CMT2, 0x0b80), INTC_VECT(CMT3, 0x0ba0),
+	INTC_VECT(KEYSC_KEY, 0x0be0),
+	INTC_VECT(SCIFA0, 0x0c00), INTC_VECT(SCIFA1, 0x0c20),
+	INTC_VECT(SCIFA2, 0x0c40), INTC_VECT(SCIFA3, 0x0c60),
+	INTC_VECT(MSIOF2, 0x0c80), INTC_VECT(MSIOF1, 0x0d00),
+	INTC_VECT(SCIFA4, 0x0d20), INTC_VECT(SCIFA5, 0x0d40),
+	INTC_VECT(SCIFB, 0x0d60),
+	INTC_VECT(FLCTL_FLSTEI, 0x0d80), INTC_VECT(FLCTL_FLTENDI, 0x0da0),
+	INTC_VECT(FLCTL_FLTREQ0I, 0x0dc0), INTC_VECT(FLCTL_FLTREQ1I, 0x0de0),
+	INTC_VECT(SDHI0, 0x0e00), INTC_VECT(SDHI0, 0x0e20),
+	INTC_VECT(SDHI0, 0x0e40), INTC_VECT(SDHI0, 0x0e60),
+	INTC_VECT(SDHI1, 0x0e80), INTC_VECT(SDHI1, 0x0ea0),
+	INTC_VECT(SDHI1, 0x0ec0), INTC_VECT(SDHI1, 0x0ee0),
+	INTC_VECT(MSU_MSU, 0x0f20), INTC_VECT(MSU_MSU2, 0x0f40),
+	INTC_VECT(IRREM, 0x0f60),
+	INTC_VECT(MSUG, 0x0fa0),
+	INTC_VECT(IRDA, 0x0480),
+	INTC_VECT(TPU0, 0x04a0), INTC_VECT(TPU1, 0x04c0),
+	INTC_VECT(TPU2, 0x04e0), INTC_VECT(TPU3, 0x0500),
+	INTC_VECT(TPU4, 0x0520),
+	INTC_VECT(LCRC, 0x0540),
+	INTC_VECT(PINTCA_PINT1, 0x1000), INTC_VECT(PINTCA_PINT2, 0x1020),
+	INTC_VECT(TTI20, 0x1100),
+	INTC_VECT(MISTY, 0x1120),
+	INTC_VECT(DDM, 0x1140),
+	INTC_VECT(RWDT0, 0x1280), INTC_VECT(RWDT1, 0x12a0),
+	INTC_VECT(DMAC_1_DEI0, 0x2000), INTC_VECT(DMAC_1_DEI1, 0x2020),
+	INTC_VECT(DMAC_1_DEI2, 0x2040), INTC_VECT(DMAC_1_DEI3, 0x2060),
+	INTC_VECT(DMAC_2_DEI4, 0x2080), INTC_VECT(DMAC_2_DEI5, 0x20a0),
+	INTC_VECT(DMAC_2_DADERR, 0x20c0),
+	INTC_VECT(DMAC2_1_DEI0, 0x2100), INTC_VECT(DMAC2_1_DEI1, 0x2120),
+	INTC_VECT(DMAC2_1_DEI2, 0x2140), INTC_VECT(DMAC2_1_DEI3, 0x2160),
+	INTC_VECT(DMAC2_2_DEI4, 0x2180), INTC_VECT(DMAC2_2_DEI5, 0x21a0),
+	INTC_VECT(DMAC2_2_DADERR, 0x21c0),
+	INTC_VECT(DMAC3_1_DEI0, 0x2200), INTC_VECT(DMAC3_1_DEI1, 0x2220),
+	INTC_VECT(DMAC3_1_DEI2, 0x2240), INTC_VECT(DMAC3_1_DEI3, 0x2260),
+	INTC_VECT(DMAC3_2_DEI4, 0x2280), INTC_VECT(DMAC3_2_DEI5, 0x22a0),
+	INTC_VECT(DMAC3_2_DADERR, 0x22c0),
+	INTC_VECT(SHWYSTAT_RT, 0x1300), INTC_VECT(SHWYSTAT_HS, 0x1d20),
+	INTC_VECT(SHWYSTAT_COM, 0x1340),
+	INTC_VECT(ICUSB_ICUSB0, 0x1700), INTC_VECT(ICUSB_ICUSB1, 0x1720),
+	INTC_VECT(ICUDMC_ICUDMC1, 0x1780), INTC_VECT(ICUDMC_ICUDMC2, 0x17a0),
+	INTC_VECT(SPU2_SPU0, 0x1800), INTC_VECT(SPU2_SPU1, 0x1820),
+	INTC_VECT(FSI, 0x1840),
+	INTC_VECT(FMSI, 0x1860),
+	INTC_VECT(SCUV, 0x1880),
+	INTC_VECT(IPMMU_IPMMUB, 0x1900),
+	INTC_VECT(AP_ARM_CTIIRQ, 0x1980),
+	INTC_VECT(AP_ARM_DMAEXTERRIRQ, 0x19a0),
+	INTC_VECT(AP_ARM_DMAIRQ, 0x19c0),
+	INTC_VECT(AP_ARM_DMASIRQ, 0x19e0),
+	INTC_VECT(MFIS2, 0x1a00),
+	INTC_VECT(CPORTR2S, 0x1a20),
+	INTC_VECT(CMT14, 0x1a40), INTC_VECT(CMT15, 0x1a60),
+	INTC_VECT(SCIFA6, 0x1a80),
+};
+
+static struct intc_group intca_groups[] __initdata = {
+	INTC_GROUP(DMAC_1, DMAC_1_DEI0,
+		   DMAC_1_DEI1, DMAC_1_DEI2, DMAC_1_DEI3),
+	INTC_GROUP(DMAC_2, DMAC_2_DEI4,
+		   DMAC_2_DEI5, DMAC_2_DADERR),
+	INTC_GROUP(DMAC2_1, DMAC2_1_DEI0,
+		   DMAC2_1_DEI1, DMAC2_1_DEI2, DMAC2_1_DEI3),
+	INTC_GROUP(DMAC2_2, DMAC2_2_DEI4,
+		   DMAC2_2_DEI5, DMAC2_2_DADERR),
+	INTC_GROUP(DMAC3_1, DMAC3_1_DEI0,
+		   DMAC3_1_DEI1, DMAC3_1_DEI2, DMAC3_1_DEI3),
+	INTC_GROUP(DMAC3_2, DMAC3_2_DEI4,
+		   DMAC3_2_DEI5, DMAC3_2_DADERR),
+	INTC_GROUP(AP_ARM1, AP_ARM_IRQPMU, AP_ARM_COMMTX, AP_ARM_COMMTX),
+	INTC_GROUP(USBHS, USBHS_USHI0, USBHS_USHI1),
+	INTC_GROUP(SPU2, SPU2_SPU0, SPU2_SPU1),
+	INTC_GROUP(FLCTL, FLCTL_FLSTEI, FLCTL_FLTENDI,
+		   FLCTL_FLTREQ0I, FLCTL_FLTREQ1I),
+	INTC_GROUP(IIC1, IIC1_ALI1, IIC1_TACKI1, IIC1_WAITI1, IIC1_DTEI1),
+	INTC_GROUP(SHWYSTAT, SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM),
+	INTC_GROUP(ICUSB, ICUSB_ICUSB0, ICUSB_ICUSB1),
+	INTC_GROUP(ICUDMC, ICUDMC_ICUDMC1, ICUDMC_ICUDMC2),
+};
+
+static struct intc_mask_reg intca_mask_registers[] = {
+	{ 0xe6900040, 0xe6900060, 8, /* INTMSK00A / INTMSKCLR00A */
+	  { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
+	{ 0xe6900044, 0xe6900064, 8, /* INTMSK10A / INTMSKCLR10A */
+	  { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
+	{ 0xe6900048, 0xe6900068, 8, /* INTMSK20A / INTMSKCLR20A */
+	  { IRQ16A, IRQ17A, IRQ18A, IRQ19A, IRQ20A, IRQ21A, IRQ22A, IRQ23A } },
+	{ 0xe690004c, 0xe690006c, 8, /* INTMSK30A / INTMSKCLR30A */
+	  { IRQ24A, IRQ25A, IRQ26A, IRQ27A, IRQ28A, IRQ29A, IRQ30A, IRQ31A } },
+
+	{ 0xe6940080, 0xe69400c0, 8, /* IMR0A / IMCR0A */
+	  { DMAC2_1_DEI3, DMAC2_1_DEI2, DMAC2_1_DEI1, DMAC2_1_DEI0,
+	    AP_ARM_IRQPMU, 0, AP_ARM_COMMTX, AP_ARM_COMMRX } },
+	{ 0xe6940084, 0xe69400c4, 8, /* IMR1A / IMCR1A */
+	  { _2DG, CRYPT_STD, DIRC, 0,
+	    DMAC_1_DEI3, DMAC_1_DEI2, DMAC_1_DEI1, DMAC_1_DEI0 } },
+	{ 0xe6940088, 0xe69400c8, 8, /* IMR2A / IMCR2A */
+	  { PINTCA_PINT1, PINTCA_PINT2, 0, 0,
+	    BBIF1, BBIF2, MFI_MFIS, MFI_MFIM } },
+	{ 0xe694008c, 0xe69400cc, 8, /* IMR3A / IMCR3A */
+	  { DMAC3_1_DEI3, DMAC3_1_DEI2, DMAC3_1_DEI1, DMAC3_1_DEI0,
+	    DMAC3_2_DADERR, DMAC3_2_DEI5, DMAC3_2_DEI4, IRDA } },
+	{ 0xe6940090, 0xe69400d0, 8, /* IMR4A / IMCR4A */
+	  { DDM, 0, 0, 0,
+	    0, 0, 0, 0 } },
+	{ 0xe6940094, 0xe69400d4, 8, /* IMR5A / IMCR5A */
+	  { KEYSC_KEY, DMAC_2_DADERR, DMAC_2_DEI5, DMAC_2_DEI4,
+	    SCIFA3, SCIFA2, SCIFA1, SCIFA0 } },
+	{ 0xe6940098, 0xe69400d8, 8, /* IMR6A / IMCR6A */
+	  { SCIFB, SCIFA5, SCIFA4, MSIOF1,
+	    0, 0, MSIOF2, 0 } },
+	{ 0xe694009c, 0xe69400dc, 8, /* IMR7A / IMCR7A */
+	  { DISABLED, DISABLED, ENABLED, ENABLED,
+	    FLCTL_FLTREQ1I, FLCTL_FLTREQ0I, FLCTL_FLTENDI, FLCTL_FLSTEI } },
+	{ 0xe69400a0, 0xe69400e0, 8, /* IMR8A / IMCR8A */
+	  { DISABLED, DISABLED, ENABLED, ENABLED,
+	    TTI20, USBDMAC_USHDMI, 0, MSUG } },
+	{ 0xe69400a4, 0xe69400e4, 8, /* IMR9A / IMCR9A */
+	  { CMT1_CMT13, CMT1_CMT12, CMT1_CMT11, CMT1_CMT10,
+	    CMT2, USBHS_USHI1, USBHS_USHI0, _3DG_SGX540 } },
+	{ 0xe69400a8, 0xe69400e8, 8, /* IMR10A / IMCR10A */
+	  { 0, DMAC2_2_DADERR, DMAC2_2_DEI5, DMAC2_2_DEI4,
+	    0, 0, 0, 0 } },
+	{ 0xe69400ac, 0xe69400ec, 8, /* IMR11A / IMCR11A */
+	  { IIC1_DTEI1, IIC1_WAITI1, IIC1_TACKI1, IIC1_ALI1,
+	    LCRC, MSU_MSU2, IRREM, MSU_MSU } },
+	{ 0xe69400b0, 0xe69400f0, 8, /* IMR12A / IMCR12A */
+	  { 0, 0, TPU0, TPU1,
+	    TPU2, TPU3, TPU4, 0 } },
+	{ 0xe69400b4, 0xe69400f4, 8, /* IMR13A / IMCR13A */
+	  { 0, 0, 0, 0,
+	    MISTY, CMT3, RWDT1, RWDT0 } },
+	{ 0xe6950080, 0xe69500c0, 8, /* IMR0A3 / IMCR0A3 */
+	  { SHWYSTAT_RT, SHWYSTAT_HS, SHWYSTAT_COM, 0,
+	    0, 0, 0, 0 } },
+	{ 0xe6950090, 0xe69500d0, 8, /* IMR4A3 / IMCR4A3 */
+	  { ICUSB_ICUSB0, ICUSB_ICUSB1, 0, 0,
+	    ICUDMC_ICUDMC1, ICUDMC_ICUDMC2, 0, 0 } },
+	{ 0xe6950094, 0xe69500d4, 8, /* IMR5A3 / IMCR5A3 */
+	  { SPU2_SPU0, SPU2_SPU1, FSI, FMSI,
+	    SCUV, 0, 0, 0 } },
+	{ 0xe6950098, 0xe69500d8, 8, /* IMR6A3 / IMCR6A3 */
+	  { IPMMU_IPMMUB, 0, 0, 0,
+	    AP_ARM_CTIIRQ, AP_ARM_DMAEXTERRIRQ,
+	    AP_ARM_DMAIRQ, AP_ARM_DMASIRQ } },
+	{ 0xe695009c, 0xe69500dc, 8, /* IMR7A3 / IMCR7A3 */
+	  { MFIS2, CPORTR2S, CMT14, CMT15,
+	    SCIFA6, 0, 0, 0 } },
+};
+
+static struct intc_prio_reg intca_prio_registers[] = {
+	{ 0xe6900010, 0, 32, 4, /* INTPRI00A */
+	  { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
+	{ 0xe6900014, 0, 32, 4, /* INTPRI10A */
+	  { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
+	{ 0xe6900018, 0, 32, 4, /* INTPRI10A */
+	  { IRQ16A, IRQ17A, IRQ18A, IRQ19A, IRQ20A, IRQ21A, IRQ22A, IRQ23A } },
+	{ 0xe690001c, 0, 32, 4, /* INTPRI30A */
+	  { IRQ24A, IRQ25A, IRQ26A, IRQ27A, IRQ28A, IRQ29A, IRQ30A, IRQ31A } },
+
+	{ 0xe6940000, 0, 16, 4, /* IPRAA */ { DMAC3_1, DMAC3_2, CMT2, LCRC } },
+	{ 0xe6940004, 0, 16, 4, /* IPRBA */ { IRDA, 0, BBIF1, BBIF2 } },
+	{ 0xe6940008, 0, 16, 4, /* IPRCA */ { _2DG, CRYPT_STD,
+					      CMT1_CMT11, AP_ARM1 } },
+	{ 0xe694000c, 0, 16, 4, /* IPRDA */ { PINTCA_PINT1, PINTCA_PINT2,
+					      CMT1_CMT12, TPU4 } },
+	{ 0xe6940010, 0, 16, 4, /* IPREA */ { DMAC_1, MFI_MFIS,
+					      MFI_MFIM, USBHS } },
+	{ 0xe6940014, 0, 16, 4, /* IPRFA */ { KEYSC_KEY, DMAC_2,
+					      _3DG_SGX540, CMT1_CMT10 } },
+	{ 0xe6940018, 0, 16, 4, /* IPRGA */ { SCIFA0, SCIFA1,
+					      SCIFA2, SCIFA3 } },
+	{ 0xe694001c, 0, 16, 4, /* IPRGH */ { MSIOF2, USBDMAC_USHDMI,
+					      FLCTL, SDHI0 } },
+	{ 0xe6940020, 0, 16, 4, /* IPRIA */ { MSIOF1, SCIFA4, MSU_MSU, IIC1 } },
+	{ 0xe6940024, 0, 16, 4, /* IPRJA */ { DMAC2_1, DMAC2_2, MSUG, TTI20 } },
+	{ 0xe6940028, 0, 16, 4, /* IPRKA */ { 0, CMT1_CMT13, IRREM, SDHI1 } },
+	{ 0xe694002c, 0, 16, 4, /* IPRLA */ { TPU0, TPU1, TPU2, TPU3 } },
+	{ 0xe6940030, 0, 16, 4, /* IPRMA */ { MISTY, CMT3, RWDT1, RWDT0 } },
+	{ 0xe6940034, 0, 16, 4, /* IPRNA */ { SCIFB, SCIFA5, 0, DDM } },
+	{ 0xe6940038, 0, 16, 4, /* IPROA */ { 0, 0, DIRC, 0 } },
+	{ 0xe6950000, 0, 16, 4, /* IPRAA3 */ { SHWYSTAT, 0, 0, 0 } },
+	{ 0xe6950020, 0, 16, 4, /* IPRIA3 */ { ICUSB, 0, 0, 0 } },
+	{ 0xe6950024, 0, 16, 4, /* IPRJA3 */ { ICUDMC, 0, 0, 0 } },
+	{ 0xe6950028, 0, 16, 4, /* IPRKA3 */ { SPU2, 0, FSI, FMSI } },
+	{ 0xe695002c, 0, 16, 4, /* IPRLA3 */ { SCUV, 0, 0, 0 } },
+	{ 0xe6950030, 0, 16, 4, /* IPRMA3 */ { IPMMU_IPMMUB, 0, 0, 0 } },
+	{ 0xe6950034, 0, 16, 4, /* IPRNA3 */ { AP_ARM2, 0, 0, 0 } },
+	{ 0xe6950038, 0, 16, 4, /* IPROA3 */ { MFIS2, CPORTR2S,
+					       CMT14, CMT15 } },
+	{ 0xe694003c, 0, 16, 4, /* IPRPA3 */ { SCIFA6, 0, 0, 0 } },
+};
+
+static struct intc_sense_reg intca_sense_registers[] __initdata = {
+	{ 0xe6900000, 16, 2, /* ICR1A */
+	  { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
+	{ 0xe6900004, 16, 2, /* ICR2A */
+	  { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
+	{ 0xe6900008, 16, 2, /* ICR3A */
+	  { IRQ16A, IRQ17A, IRQ18A, IRQ19A, IRQ20A, IRQ21A, IRQ22A, IRQ23A } },
+	{ 0xe690000c, 16, 2, /* ICR4A */
+	  { IRQ24A, IRQ25A, IRQ26A, IRQ27A, IRQ28A, IRQ29A, IRQ30A, IRQ31A } },
+};
+
+static struct intc_mask_reg intca_ack_registers[] __initdata = {
+	{ 0xe6900020, 0, 8, /* INTREQ00A */
+	  { IRQ0A, IRQ1A, IRQ2A, IRQ3A, IRQ4A, IRQ5A, IRQ6A, IRQ7A } },
+	{ 0xe6900024, 0, 8, /* INTREQ10A */
+	  { IRQ8A, IRQ9A, IRQ10A, IRQ11A, IRQ12A, IRQ13A, IRQ14A, IRQ15A } },
+	{ 0xe6900028, 0, 8, /* INTREQ20A */
+	  { IRQ16A, IRQ17A, IRQ18A, IRQ19A, IRQ20A, IRQ21A, IRQ22A, IRQ23A } },
+	{ 0xe690002c, 0, 8, /* INTREQ30A */
+	  { IRQ24A, IRQ25A, IRQ26A, IRQ27A, IRQ28A, IRQ29A, IRQ30A, IRQ31A } },
+};
+
+static struct intc_desc intca_desc __initdata = {
+	.name = "sh7377-intca",
+	.force_enable = ENABLED,
+	.force_disable = DISABLED,
+	.hw = INTC_HW_DESC(intca_vectors, intca_groups,
+			   intca_mask_registers, intca_prio_registers,
+			   intca_sense_registers, intca_ack_registers),
+};
+
+void __init sh7377_init_irq(void)
+{
+	register_intc_controller(&intca_desc);
+}
diff --git a/arch/arm/mach-shmobile/pfc-sh7367.c b/arch/arm/mach-shmobile/pfc-sh7367.c
new file mode 100644
index 000000000000..128555e76e43
--- /dev/null
+++ b/arch/arm/mach-shmobile/pfc-sh7367.c
@@ -0,0 +1,1801 @@
+/*
+ * sh7367 processor support - PFC hardware block
+ *
+ * Copyright (C) 2010  Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <mach/sh7367.h>
+
+#define _1(fn, pfx, sfx) fn(pfx, sfx)
+
+#define _10(fn, pfx, sfx)				\
+	_1(fn, pfx##0, sfx), _1(fn, pfx##1, sfx),	\
+	_1(fn, pfx##2, sfx), _1(fn, pfx##3, sfx),	\
+	_1(fn, pfx##4, sfx), _1(fn, pfx##5, sfx),	\
+	_1(fn, pfx##6, sfx), _1(fn, pfx##7, sfx),	\
+	_1(fn, pfx##8, sfx), _1(fn, pfx##9, sfx)
+
+#define _90(fn, pfx, sfx)				\
+	_10(fn, pfx##1, sfx), _10(fn, pfx##2, sfx),	\
+	_10(fn, pfx##3, sfx), _10(fn, pfx##4, sfx),	\
+	_10(fn, pfx##5, sfx), _10(fn, pfx##6, sfx),	\
+	_10(fn, pfx##7, sfx), _10(fn, pfx##8, sfx),	\
+	_10(fn, pfx##9, sfx)
+
+#define _273(fn, pfx, sfx)		\
+	_10(fn, pfx, sfx), _90(fn, pfx, sfx),		\
+	_10(fn, pfx##10, sfx), _90(fn, pfx##1, sfx),	\
+	_10(fn, pfx##20, sfx), _10(fn, pfx##21, sfx),	\
+	_10(fn, pfx##22, sfx), _10(fn, pfx##23, sfx),	\
+	_10(fn, pfx##24, sfx), _10(fn, pfx##25, sfx),	\
+	_10(fn, pfx##26, sfx), _1(fn, pfx##270, sfx),	\
+	_1(fn, pfx##271, sfx), _1(fn, pfx##272, sfx)
+
+#define _PORT(pfx, sfx) pfx##_##sfx
+#define PORT_273(str) _273(_PORT, PORT, str)
+
+enum {
+	PINMUX_RESERVED = 0,
+
+	PINMUX_DATA_BEGIN,
+	PORT_273(DATA), /* PORT0_DATA -> PORT272_DATA */
+	PINMUX_DATA_END,
+
+	PINMUX_INPUT_BEGIN,
+	PORT_273(IN), /* PORT0_IN -> PORT272_IN */
+	PINMUX_INPUT_END,
+
+	PINMUX_INPUT_PULLUP_BEGIN,
+	PORT_273(IN_PU), /* PORT0_IN_PU -> PORT272_IN_PU */
+	PINMUX_INPUT_PULLUP_END,
+
+	PINMUX_INPUT_PULLDOWN_BEGIN,
+	PORT_273(IN_PD), /* PORT0_IN_PD -> PORT272_IN_PD */
+	PINMUX_INPUT_PULLDOWN_END,
+
+	PINMUX_OUTPUT_BEGIN,
+	PORT_273(OUT), /* PORT0_OUT -> PORT272_OUT */
+	PINMUX_OUTPUT_END,
+
+	PINMUX_FUNCTION_BEGIN,
+	PORT_273(FN_IN), /* PORT0_FN_IN -> PORT272_FN_IN */
+	PORT_273(FN_OUT), /* PORT0_FN_OUT -> PORT272_FN_OUT */
+	PORT_273(FN0), /* PORT0_FN0 -> PORT272_FN0 */
+	PORT_273(FN1), /* PORT0_FN1 -> PORT272_FN1 */
+	PORT_273(FN2), /* PORT0_FN2 -> PORT272_FN2 */
+	PORT_273(FN3), /* PORT0_FN3 -> PORT272_FN3 */
+	PORT_273(FN4), /* PORT0_FN4 -> PORT272_FN4 */
+	PORT_273(FN5), /* PORT0_FN5 -> PORT272_FN5 */
+	PORT_273(FN6), /* PORT0_FN6 -> PORT272_FN6 */
+	PORT_273(FN7), /* PORT0_FN7 -> PORT272_FN7 */
+
+	MSELBCR_MSEL2_1, MSELBCR_MSEL2_0,
+	PINMUX_FUNCTION_END,
+
+	PINMUX_MARK_BEGIN,
+	/* Special Pull-up / Pull-down Functions */
+	PORT48_KEYIN0_PU_MARK, PORT49_KEYIN1_PU_MARK,
+	PORT50_KEYIN2_PU_MARK, PORT55_KEYIN3_PU_MARK,
+	PORT56_KEYIN4_PU_MARK, PORT57_KEYIN5_PU_MARK,
+	PORT58_KEYIN6_PU_MARK,
+
+	/* 49-1 */
+	VBUS0_MARK, CPORT0_MARK, CPORT1_MARK, CPORT2_MARK,
+	CPORT3_MARK, CPORT4_MARK, CPORT5_MARK, CPORT6_MARK,
+	CPORT7_MARK, CPORT8_MARK, CPORT9_MARK, CPORT10_MARK,
+	CPORT11_MARK, SIN2_MARK, CPORT12_MARK, XCTS2_MARK,
+	CPORT13_MARK, RFSPO4_MARK, CPORT14_MARK, RFSPO5_MARK,
+	CPORT15_MARK, CPORT16_MARK, CPORT17_MARK, SOUT2_MARK,
+	CPORT18_MARK, XRTS2_MARK, CPORT19_MARK, CPORT20_MARK,
+	RFSPO6_MARK, CPORT21_MARK, STATUS0_MARK, CPORT22_MARK,
+	STATUS1_MARK, CPORT23_MARK, STATUS2_MARK, RFSPO7_MARK,
+	MPORT0_MARK, MPORT1_MARK, B_SYNLD1_MARK, B_SYNLD2_MARK,
+	XMAINPS_MARK, XDIVPS_MARK, XIDRST_MARK, IDCLK_MARK,
+	IDIO_MARK, SOUT1_MARK, SCIFA4_TXD_MARK,
+	M02_BERDAT_MARK, SIN1_MARK, SCIFA4_RXD_MARK, XWUP_MARK,
+	XRTS1_MARK, SCIFA4_RTS_MARK, M03_BERCLK_MARK,
+	XCTS1_MARK, SCIFA4_CTS_MARK,
+
+	/* 49-2 */
+	HSU_IQ_AGC6_MARK, MFG2_IN2_MARK, MSIOF2_MCK0_MARK,
+	HSU_IQ_AGC5_MARK, MFG2_IN1_MARK, MSIOF2_MCK1_MARK,
+	HSU_IQ_AGC4_MARK, MSIOF2_RSYNC_MARK,
+	HSU_IQ_AGC3_MARK, MFG2_OUT1_MARK, MSIOF2_RSCK_MARK,
+	HSU_IQ_AGC2_MARK, PORT42_KEYOUT0_MARK,
+	HSU_IQ_AGC1_MARK, PORT43_KEYOUT1_MARK,
+	HSU_IQ_AGC0_MARK, PORT44_KEYOUT2_MARK,
+	HSU_IQ_AGC_ST_MARK, PORT45_KEYOUT3_MARK,
+	HSU_IQ_PDO_MARK, PORT46_KEYOUT4_MARK,
+	HSU_IQ_PYO_MARK, PORT47_KEYOUT5_MARK,
+	HSU_EN_TXMUX_G3MO_MARK, PORT48_KEYIN0_MARK,
+	HSU_I_TXMUX_G3MO_MARK, PORT49_KEYIN1_MARK,
+	HSU_Q_TXMUX_G3MO_MARK, PORT50_KEYIN2_MARK,
+	HSU_SYO_MARK, PORT51_MSIOF2_TSYNC_MARK,
+	HSU_SDO_MARK, PORT52_MSIOF2_TSCK_MARK,
+	HSU_TGTTI_G3MO_MARK, PORT53_MSIOF2_TXD_MARK,
+	B_TIME_STAMP_MARK, PORT54_MSIOF2_RXD_MARK,
+	HSU_SDI_MARK, PORT55_KEYIN3_MARK,
+	HSU_SCO_MARK, PORT56_KEYIN4_MARK,
+	HSU_DREQ_MARK, PORT57_KEYIN5_MARK,
+	HSU_DACK_MARK, PORT58_KEYIN6_MARK,
+	HSU_CLK61M_MARK, PORT59_MSIOF2_SS1_MARK,
+	HSU_XRST_MARK, PORT60_MSIOF2_SS2_MARK,
+	PCMCLKO_MARK, SYNC8KO_MARK, DNPCM_A_MARK, UPPCM_A_MARK,
+	XTALB1L_MARK,
+	GPS_AGC1_MARK, SCIFA0_RTS_MARK,
+	GPS_AGC2_MARK, SCIFA0_SCK_MARK,
+	GPS_AGC3_MARK, SCIFA0_TXD_MARK,
+	GPS_AGC4_MARK, SCIFA0_RXD_MARK,
+	GPS_PWRD_MARK, SCIFA0_CTS_MARK,
+	GPS_IM_MARK, GPS_IS_MARK, GPS_QM_MARK, GPS_QS_MARK,
+	SIUBOMC_MARK, TPU2TO0_MARK,
+	SIUCKB_MARK, TPU2TO1_MARK,
+	SIUBOLR_MARK, BBIF2_TSYNC_MARK, TPU2TO2_MARK,
+	SIUBOBT_MARK, BBIF2_TSCK_MARK, TPU2TO3_MARK,
+	SIUBOSLD_MARK, BBIF2_TXD_MARK, TPU3TO0_MARK,
+	SIUBILR_MARK, TPU3TO1_MARK,
+	SIUBIBT_MARK, TPU3TO2_MARK,
+	SIUBISLD_MARK, TPU3TO3_MARK,
+	NMI_MARK, TPU4TO0_MARK,
+	DNPCM_M_MARK, TPU4TO1_MARK, TPU4TO2_MARK, TPU4TO3_MARK,
+	IRQ_TMPB_MARK,
+	PWEN_MARK, MFG1_OUT1_MARK,
+	OVCN_MARK, MFG1_IN1_MARK,
+	OVCN2_MARK, MFG1_IN2_MARK,
+
+	/* 49-3 */
+	RFSPO1_MARK, RFSPO2_MARK, RFSPO3_MARK, PORT93_VIO_CKO2_MARK,
+	USBTERM_MARK, EXTLP_MARK, IDIN_MARK,
+	SCIFA5_CTS_MARK, MFG0_IN1_MARK,
+	SCIFA5_RTS_MARK, MFG0_IN2_MARK,
+	SCIFA5_RXD_MARK,
+	SCIFA5_TXD_MARK,
+	SCIFA5_SCK_MARK, MFG0_OUT1_MARK,
+	A0_EA0_MARK, BS_MARK,
+	A14_EA14_MARK, PORT102_KEYOUT0_MARK,
+	A15_EA15_MARK, PORT103_KEYOUT1_MARK, DV_CLKOL_MARK,
+	A16_EA16_MARK, PORT104_KEYOUT2_MARK,
+	DV_VSYNCL_MARK, MSIOF0_SS1_MARK,
+	A17_EA17_MARK, PORT105_KEYOUT3_MARK,
+	DV_HSYNCL_MARK, MSIOF0_TSYNC_MARK,
+	A18_EA18_MARK, PORT106_KEYOUT4_MARK,
+	DV_DL0_MARK, MSIOF0_TSCK_MARK,
+	A19_EA19_MARK, PORT107_KEYOUT5_MARK,
+	DV_DL1_MARK, MSIOF0_TXD_MARK,
+	A20_EA20_MARK, PORT108_KEYIN0_MARK,
+	DV_DL2_MARK, MSIOF0_RSCK_MARK,
+	A21_EA21_MARK, PORT109_KEYIN1_MARK,
+	DV_DL3_MARK, MSIOF0_RSYNC_MARK,
+	A22_EA22_MARK, PORT110_KEYIN2_MARK,
+	DV_DL4_MARK, MSIOF0_MCK0_MARK,
+	A23_EA23_MARK, PORT111_KEYIN3_MARK,
+	DV_DL5_MARK, MSIOF0_MCK1_MARK,
+	A24_EA24_MARK, PORT112_KEYIN4_MARK,
+	DV_DL6_MARK, MSIOF0_RXD_MARK,
+	A25_EA25_MARK, PORT113_KEYIN5_MARK,
+	DV_DL7_MARK, MSIOF0_SS2_MARK,
+	A26_MARK, PORT113_KEYIN6_MARK, DV_CLKIL_MARK,
+	D0_ED0_NAF0_MARK, D1_ED1_NAF1_MARK, D2_ED2_NAF2_MARK,
+	D3_ED3_NAF3_MARK, D4_ED4_NAF4_MARK, D5_ED5_NAF5_MARK,
+	D6_ED6_NAF6_MARK, D7_ED7_NAF7_MARK, D8_ED8_NAF8_MARK,
+	D9_ED9_NAF9_MARK, D10_ED10_NAF10_MARK, D11_ED11_NAF11_MARK,
+	D12_ED12_NAF12_MARK, D13_ED13_NAF13_MARK,
+	D14_ED14_NAF14_MARK, D15_ED15_NAF15_MARK,
+	CS4_MARK, CS5A_MARK, CS5B_MARK, FCE1_MARK,
+	CS6B_MARK, XCS2_MARK, FCE0_MARK, CS6A_MARK,
+	DACK0_MARK, WAIT_MARK, DREQ0_MARK, RD_XRD_MARK,
+	A27_MARK, RDWR_XWE_MARK, WE0_XWR0_FWE_MARK,
+	WE1_XWR1_MARK, FRB_MARK, CKO_MARK,
+	NBRSTOUT_MARK, NBRST_MARK,
+
+	/* 49-4 */
+	RFSPO0_MARK, PORT146_VIO_CKO2_MARK, TSTMD_MARK,
+	VIO_VD_MARK, VIO_HD_MARK,
+	VIO_D0_MARK, VIO_D1_MARK, VIO_D2_MARK,
+	VIO_D3_MARK, VIO_D4_MARK, VIO_D5_MARK,
+	VIO_D6_MARK, VIO_D7_MARK, VIO_D8_MARK,
+	VIO_D9_MARK, VIO_D10_MARK, VIO_D11_MARK,
+	VIO_D12_MARK, VIO_D13_MARK, VIO_D14_MARK,
+	VIO_D15_MARK, VIO_CLK_MARK, VIO_FIELD_MARK,
+	VIO_CKO_MARK,
+	MFG3_IN1_MARK, MFG3_IN2_MARK,
+	M9_SLCD_A01_MARK, MFG3_OUT1_MARK, TPU0TO0_MARK,
+	M10_SLCD_CK1_MARK, MFG4_IN1_MARK, TPU0TO1_MARK,
+	M11_SLCD_SO1_MARK, MFG4_IN2_MARK, TPU0TO2_MARK,
+	M12_SLCD_CE1_MARK, MFG4_OUT1_MARK, TPU0TO3_MARK,
+	LCDD0_MARK, PORT175_KEYOUT0_MARK, DV_D0_MARK,
+	SIUCKA_MARK, MFG0_OUT2_MARK,
+	LCDD1_MARK, PORT176_KEYOUT1_MARK, DV_D1_MARK,
+	SIUAOLR_MARK, BBIF2_TSYNC1_MARK,
+	LCDD2_MARK, PORT177_KEYOUT2_MARK, DV_D2_MARK,
+	SIUAOBT_MARK, BBIF2_TSCK1_MARK,
+	LCDD3_MARK, PORT178_KEYOUT3_MARK, DV_D3_MARK,
+	SIUAOSLD_MARK, BBIF2_TXD1_MARK,
+	LCDD4_MARK, PORT179_KEYOUT4_MARK, DV_D4_MARK,
+	SIUAISPD_MARK, MFG1_OUT2_MARK,
+	LCDD5_MARK, PORT180_KEYOUT5_MARK, DV_D5_MARK,
+	SIUAILR_MARK, MFG2_OUT2_MARK,
+	LCDD6_MARK, DV_D6_MARK,
+	SIUAIBT_MARK, MFG3_OUT2_MARK, XWR2_MARK,
+	LCDD7_MARK, DV_D7_MARK,
+	SIUAISLD_MARK, MFG4_OUT2_MARK, XWR3_MARK,
+	LCDD8_MARK, DV_D8_MARK, D16_MARK, ED16_MARK,
+	LCDD9_MARK, DV_D9_MARK, D17_MARK, ED17_MARK,
+	LCDD10_MARK, DV_D10_MARK, D18_MARK, ED18_MARK,
+	LCDD11_MARK, DV_D11_MARK, D19_MARK, ED19_MARK,
+	LCDD12_MARK, DV_D12_MARK, D20_MARK, ED20_MARK,
+	LCDD13_MARK, DV_D13_MARK, D21_MARK, ED21_MARK,
+	LCDD14_MARK, DV_D14_MARK, D22_MARK, ED22_MARK,
+	LCDD15_MARK, DV_D15_MARK, D23_MARK, ED23_MARK,
+	LCDD16_MARK, DV_HSYNC_MARK, D24_MARK, ED24_MARK,
+	LCDD17_MARK, DV_VSYNC_MARK, D25_MARK, ED25_MARK,
+	LCDD18_MARK, DREQ2_MARK, MSIOF0L_TSCK_MARK,
+	D26_MARK, ED26_MARK,
+	LCDD19_MARK, MSIOF0L_TSYNC_MARK,
+	D27_MARK, ED27_MARK,
+	LCDD20_MARK, TS_SPSYNC1_MARK, MSIOF0L_MCK0_MARK,
+	D28_MARK, ED28_MARK,
+	LCDD21_MARK, TS_SDAT1_MARK, MSIOF0L_MCK1_MARK,
+	D29_MARK, ED29_MARK,
+	LCDD22_MARK, TS_SDEN1_MARK, MSIOF0L_SS1_MARK,
+	D30_MARK, ED30_MARK,
+	LCDD23_MARK, TS_SCK1_MARK, MSIOF0L_SS2_MARK,
+	D31_MARK, ED31_MARK,
+	LCDDCK_MARK, LCDWR_MARK, DV_CKO_MARK, SIUAOSPD_MARK,
+	LCDRD_MARK, DACK2_MARK, MSIOF0L_RSYNC_MARK,
+
+	/* 49-5 */
+	LCDHSYN_MARK, LCDCS_MARK, LCDCS2_MARK, DACK3_MARK,
+	LCDDISP_MARK, LCDRS_MARK, DREQ3_MARK, MSIOF0L_RSCK_MARK,
+	LCDCSYN_MARK, LCDCSYN2_MARK, DV_CKI_MARK,
+	LCDLCLK_MARK, DREQ1_MARK, MSIOF0L_RXD_MARK,
+	LCDDON_MARK, LCDDON2_MARK, DACK1_MARK, MSIOF0L_TXD_MARK,
+	VIO_DR0_MARK, VIO_DR1_MARK, VIO_DR2_MARK, VIO_DR3_MARK,
+	VIO_DR4_MARK, VIO_DR5_MARK, VIO_DR6_MARK, VIO_DR7_MARK,
+	VIO_VDR_MARK, VIO_HDR_MARK,
+	VIO_CLKR_MARK, VIO_CKOR_MARK,
+	SCIFA1_TXD_MARK, GPS_PGFA0_MARK,
+	SCIFA1_SCK_MARK, GPS_PGFA1_MARK,
+	SCIFA1_RTS_MARK, GPS_EPPSINMON_MARK,
+	SCIFA1_RXD_MARK, SCIFA1_CTS_MARK,
+	MSIOF1_TXD_MARK, SCIFA1_TXD2_MARK, GPS_TXD_MARK,
+	MSIOF1_TSYNC_MARK, SCIFA1_CTS2_MARK, I2C_SDA2_MARK,
+	MSIOF1_TSCK_MARK, SCIFA1_SCK2_MARK,
+	MSIOF1_RXD_MARK, SCIFA1_RXD2_MARK, GPS_RXD_MARK,
+	MSIOF1_RSCK_MARK, SCIFA1_RTS2_MARK,
+	MSIOF1_RSYNC_MARK, I2C_SCL2_MARK,
+	MSIOF1_MCK0_MARK, MSIOF1_MCK1_MARK,
+	MSIOF1_SS1_MARK, EDBGREQ3_MARK,
+	MSIOF1_SS2_MARK,
+	PORT236_IROUT_MARK, IRDA_OUT_MARK,
+	IRDA_IN_MARK, IRDA_FIRSEL_MARK,
+	TPU1TO0_MARK, TS_SPSYNC3_MARK,
+	TPU1TO1_MARK, TS_SDAT3_MARK,
+	TPU1TO2_MARK, TS_SDEN3_MARK, PORT241_MSIOF2_SS1_MARK,
+	TPU1TO3_MARK, PORT242_MSIOF2_TSCK_MARK,
+	M13_BSW_MARK, PORT243_MSIOF2_TSYNC_MARK,
+	M14_GSW_MARK, PORT244_MSIOF2_TXD_MARK,
+	PORT245_IROUT_MARK, M15_RSW_MARK,
+	SOUT3_MARK, SCIFA2_TXD1_MARK,
+	SIN3_MARK, SCIFA2_RXD1_MARK,
+	XRTS3_MARK, SCIFA2_RTS1_MARK, PORT248_MSIOF2_SS2_MARK,
+	XCTS3_MARK, SCIFA2_CTS1_MARK, PORT249_MSIOF2_RXD_MARK,
+	DINT_MARK, SCIFA2_SCK1_MARK, TS_SCK3_MARK,
+	SDHICLK0_MARK, TCK2_MARK,
+	SDHICD0_MARK,
+	SDHID0_0_MARK, TMS2_MARK,
+	SDHID0_1_MARK, TDO2_MARK,
+	SDHID0_2_MARK, TDI2_MARK,
+	SDHID0_3_MARK, RTCK2_MARK,
+
+	/* 49-6 */
+	SDHICMD0_MARK, TRST2_MARK,
+	SDHIWP0_MARK, EDBGREQ2_MARK,
+	SDHICLK1_MARK, TCK3_MARK,
+	SDHID1_0_MARK, M11_SLCD_SO2_MARK,
+	TS_SPSYNC2_MARK, TMS3_MARK,
+	SDHID1_1_MARK, M9_SLCD_AO2_MARK,
+	TS_SDAT2_MARK, TDO3_MARK,
+	SDHID1_2_MARK, M10_SLCD_CK2_MARK,
+	TS_SDEN2_MARK, TDI3_MARK,
+	SDHID1_3_MARK, M12_SLCD_CE2_MARK,
+	TS_SCK2_MARK, RTCK3_MARK,
+	SDHICMD1_MARK, TRST3_MARK,
+	SDHICLK2_MARK, SCIFB_SCK_MARK,
+	SDHID2_0_MARK, SCIFB_TXD_MARK,
+	SDHID2_1_MARK, SCIFB_CTS_MARK,
+	SDHID2_2_MARK, SCIFB_RXD_MARK,
+	SDHID2_3_MARK, SCIFB_RTS_MARK,
+	SDHICMD2_MARK,
+	RESETOUTS_MARK,
+	DIVLOCK_MARK,
+	PINMUX_MARK_END,
+};
+
+#define PORT_DATA_I(nr) \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_IN)
+
+#define PORT_DATA_I_PD(nr) \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
+		    PORT##nr##_IN, PORT##nr##_IN_PD)
+
+#define PORT_DATA_I_PU(nr) \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
+		    PORT##nr##_IN, PORT##nr##_IN_PU)
+
+#define PORT_DATA_I_PU_PD(nr) \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
+		    PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
+
+#define PORT_DATA_O(nr) \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT)
+
+#define PORT_DATA_IO(nr) \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
+		    PORT##nr##_IN)
+
+#define PORT_DATA_IO_PD(nr) \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
+		    PORT##nr##_IN, PORT##nr##_IN_PD)
+
+#define PORT_DATA_IO_PU(nr) \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
+		    PORT##nr##_IN, PORT##nr##_IN_PU)
+
+#define PORT_DATA_IO_PU_PD(nr) \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
+		    PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
+
+
+static pinmux_enum_t pinmux_data[] = {
+
+	/* specify valid pin states for each pin in GPIO mode */
+
+	/* 49-1 (GPIO) */
+	PORT_DATA_I_PD(0),
+	PORT_DATA_I_PU(1), PORT_DATA_I_PU(2), PORT_DATA_I_PU(3),
+	PORT_DATA_I_PU(4), PORT_DATA_I_PU(5), PORT_DATA_I_PU(6),
+	PORT_DATA_I_PU(7), PORT_DATA_I_PU(8), PORT_DATA_I_PU(9),
+	PORT_DATA_I_PU(10), PORT_DATA_I_PU(11), PORT_DATA_I_PU(12),
+	PORT_DATA_I_PU(13),
+	PORT_DATA_IO_PU_PD(14), PORT_DATA_IO_PU_PD(15),
+	PORT_DATA_O(16), PORT_DATA_O(17), PORT_DATA_O(18), PORT_DATA_O(19),
+	PORT_DATA_O(20), PORT_DATA_O(21), PORT_DATA_O(22), PORT_DATA_O(23),
+	PORT_DATA_O(24), PORT_DATA_O(25), PORT_DATA_O(26),
+	PORT_DATA_I_PD(27), PORT_DATA_I_PD(28),
+	PORT_DATA_O(29), PORT_DATA_O(30), PORT_DATA_O(31), PORT_DATA_O(32),
+	PORT_DATA_IO_PU(33),
+	PORT_DATA_O(34),
+	PORT_DATA_I_PU(35),
+	PORT_DATA_O(36),
+	PORT_DATA_I_PU_PD(37),
+
+	/* 49-2 (GPIO) */
+	PORT_DATA_IO_PU_PD(38),
+	PORT_DATA_IO_PD(39), PORT_DATA_IO_PD(40), PORT_DATA_IO_PD(41),
+	PORT_DATA_O(42), PORT_DATA_O(43), PORT_DATA_O(44), PORT_DATA_O(45),
+	PORT_DATA_O(46), PORT_DATA_O(47),
+	PORT_DATA_I_PU_PD(48), PORT_DATA_I_PU_PD(49), PORT_DATA_I_PU_PD(50),
+	PORT_DATA_IO_PD(51), PORT_DATA_IO_PD(52),
+	PORT_DATA_O(53),
+	PORT_DATA_IO_PD(54),
+	PORT_DATA_I_PU_PD(55),
+	PORT_DATA_IO_PU_PD(56),
+	PORT_DATA_I_PU_PD(57),
+	PORT_DATA_IO_PU_PD(58),
+	PORT_DATA_O(59), PORT_DATA_O(60), PORT_DATA_O(61), PORT_DATA_O(62),
+	PORT_DATA_O(63),
+	PORT_DATA_I_PU(64),
+	PORT_DATA_O(65), PORT_DATA_O(66), PORT_DATA_O(67), PORT_DATA_O(68),
+	PORT_DATA_IO_PD(69), PORT_DATA_IO_PD(70),
+	PORT_DATA_I_PD(71), PORT_DATA_I_PD(72), PORT_DATA_I_PD(73),
+	PORT_DATA_I_PD(74),
+	PORT_DATA_IO_PU_PD(75), PORT_DATA_IO_PU_PD(76),
+	PORT_DATA_IO_PD(77), PORT_DATA_IO_PD(78),
+	PORT_DATA_O(79),
+	PORT_DATA_IO_PD(80), PORT_DATA_IO_PD(81), PORT_DATA_IO_PD(82),
+	PORT_DATA_IO_PU_PD(83), PORT_DATA_IO_PU_PD(84),
+	PORT_DATA_IO_PU_PD(85), PORT_DATA_IO_PU_PD(86),
+	PORT_DATA_I_PD(87),
+	PORT_DATA_IO_PU_PD(88),
+	PORT_DATA_I_PU_PD(89), PORT_DATA_I_PU_PD(90),
+
+	/* 49-3 (GPIO) */
+	PORT_DATA_O(91), PORT_DATA_O(92), PORT_DATA_O(93), PORT_DATA_O(94),
+	PORT_DATA_I_PU_PD(95),
+	PORT_DATA_IO_PU_PD(96), PORT_DATA_IO_PU_PD(97), PORT_DATA_IO_PU_PD(98),
+	PORT_DATA_IO_PU_PD(99),	PORT_DATA_IO_PU_PD(100),
+	PORT_DATA_IO(101), PORT_DATA_IO(102), PORT_DATA_IO(103),
+	PORT_DATA_IO_PD(104), PORT_DATA_IO_PD(105), PORT_DATA_IO_PD(106),
+	PORT_DATA_IO_PD(107),
+	PORT_DATA_IO_PU_PD(108), PORT_DATA_IO_PU_PD(109),
+	PORT_DATA_IO_PU_PD(110), PORT_DATA_IO_PU_PD(111),
+	PORT_DATA_IO_PU_PD(112), PORT_DATA_IO_PU_PD(113),
+	PORT_DATA_IO_PU_PD(114),
+	PORT_DATA_IO_PU(115), PORT_DATA_IO_PU(116), PORT_DATA_IO_PU(117),
+	PORT_DATA_IO_PU(118), PORT_DATA_IO_PU(119), PORT_DATA_IO_PU(120),
+	PORT_DATA_IO_PU(121), PORT_DATA_IO_PU(122), PORT_DATA_IO_PU(123),
+	PORT_DATA_IO_PU(124), PORT_DATA_IO_PU(125), PORT_DATA_IO_PU(126),
+	PORT_DATA_IO_PU(127), PORT_DATA_IO_PU(128), PORT_DATA_IO_PU(129),
+	PORT_DATA_IO_PU(130),
+	PORT_DATA_O(131), PORT_DATA_O(132), PORT_DATA_O(133),
+	PORT_DATA_IO_PU(134),
+	PORT_DATA_O(135), PORT_DATA_O(136),
+	PORT_DATA_I_PU_PD(137),
+	PORT_DATA_IO(138),
+	PORT_DATA_IO_PU_PD(139),
+	PORT_DATA_IO(140), PORT_DATA_IO(141),
+	PORT_DATA_I_PU(142),
+	PORT_DATA_O(143), PORT_DATA_O(144),
+	PORT_DATA_I_PU(145),
+
+	/* 49-4 (GPIO) */
+	PORT_DATA_O(146),
+	PORT_DATA_I_PU_PD(147),
+	PORT_DATA_I_PD(148), PORT_DATA_I_PD(149),
+	PORT_DATA_IO_PD(150), PORT_DATA_IO_PD(151), PORT_DATA_IO_PD(152),
+	PORT_DATA_IO_PD(153), PORT_DATA_IO_PD(154), PORT_DATA_IO_PD(155),
+	PORT_DATA_IO_PD(156), PORT_DATA_IO_PD(157), PORT_DATA_IO_PD(158),
+	PORT_DATA_IO_PD(159), PORT_DATA_IO_PD(160), PORT_DATA_IO_PD(161),
+	PORT_DATA_IO_PD(162), PORT_DATA_IO_PD(163), PORT_DATA_IO_PD(164),
+	PORT_DATA_IO_PD(165), PORT_DATA_IO_PD(166),
+	PORT_DATA_IO_PU_PD(167),
+	PORT_DATA_O(168),
+	PORT_DATA_I_PD(169), PORT_DATA_I_PD(170),
+	PORT_DATA_O(171),
+	PORT_DATA_IO_PD(172), PORT_DATA_IO_PD(173),
+	PORT_DATA_O(174),
+	PORT_DATA_IO_PD(175), PORT_DATA_IO_PD(176), PORT_DATA_IO_PD(177),
+	PORT_DATA_IO_PD(178), PORT_DATA_IO_PD(179), PORT_DATA_IO_PD(180),
+	PORT_DATA_IO_PD(181), PORT_DATA_IO_PD(182), PORT_DATA_IO_PD(183),
+	PORT_DATA_IO_PD(184), PORT_DATA_IO_PD(185), PORT_DATA_IO_PD(186),
+	PORT_DATA_IO_PD(187), PORT_DATA_IO_PD(188), PORT_DATA_IO_PD(189),
+	PORT_DATA_IO_PD(190), PORT_DATA_IO_PD(191), PORT_DATA_IO_PD(192),
+	PORT_DATA_IO_PD(193), PORT_DATA_IO_PD(194), PORT_DATA_IO_PD(195),
+	PORT_DATA_IO_PD(196), PORT_DATA_IO_PD(197), PORT_DATA_IO_PD(198),
+	PORT_DATA_O(199),
+	PORT_DATA_IO_PD(200),
+
+	/* 49-5 (GPIO) */
+	PORT_DATA_O(201),
+	PORT_DATA_IO_PD(202), PORT_DATA_IO_PD(203),
+	PORT_DATA_I(204),
+	PORT_DATA_O(205),
+	PORT_DATA_IO_PD(206), PORT_DATA_IO_PD(207), PORT_DATA_IO_PD(208),
+	PORT_DATA_IO_PD(209), PORT_DATA_IO_PD(210), PORT_DATA_IO_PD(211),
+	PORT_DATA_IO_PD(212), PORT_DATA_IO_PD(213), PORT_DATA_IO_PD(214),
+	PORT_DATA_IO_PD(215), PORT_DATA_IO_PD(216),
+	PORT_DATA_O(217),
+	PORT_DATA_I_PU_PD(218), PORT_DATA_I_PU_PD(219),
+	PORT_DATA_O(220), PORT_DATA_O(221), PORT_DATA_O(222),
+	PORT_DATA_I_PD(223),
+	PORT_DATA_I_PU_PD(224),
+	PORT_DATA_O(225),
+	PORT_DATA_IO_PD(226),
+	PORT_DATA_IO_PU_PD(227),
+	PORT_DATA_I_PD(228),
+	PORT_DATA_IO_PD(229), PORT_DATA_IO_PD(230),
+	PORT_DATA_I_PU_PD(231), PORT_DATA_I_PU_PD(232),
+	PORT_DATA_IO_PU_PD(233), PORT_DATA_IO_PU_PD(234),
+	PORT_DATA_I_PU_PD(235),
+	PORT_DATA_O(236),
+	PORT_DATA_I_PD(237),
+	PORT_DATA_IO_PU_PD(238), PORT_DATA_IO_PU_PD(239),
+	PORT_DATA_IO_PD(240), PORT_DATA_IO_PD(241),
+	PORT_DATA_IO_PD(242), PORT_DATA_IO_PD(243),
+	PORT_DATA_O(244),
+	PORT_DATA_IO_PU_PD(245),
+	PORT_DATA_O(246),
+	PORT_DATA_I_PD(247),
+	PORT_DATA_IO_PU_PD(248),
+	PORT_DATA_I_PU_PD(249),
+	PORT_DATA_IO_PD(250), PORT_DATA_IO_PD(251),
+	PORT_DATA_IO_PU_PD(252), PORT_DATA_IO_PU_PD(253),
+	PORT_DATA_IO_PU_PD(254), PORT_DATA_IO_PU_PD(255),
+	PORT_DATA_IO_PU_PD(256),
+
+	/* 49-6 (GPIO) */
+	PORT_DATA_IO_PU_PD(257), PORT_DATA_IO_PU_PD(258),
+	PORT_DATA_IO_PD(259),
+	PORT_DATA_IO_PU(260), PORT_DATA_IO_PU(261), PORT_DATA_IO_PU(262),
+	PORT_DATA_IO_PU(263), PORT_DATA_IO_PU(264),
+	PORT_DATA_O(265),
+	PORT_DATA_IO_PU(266), PORT_DATA_IO_PU(267), PORT_DATA_IO_PU(268),
+	PORT_DATA_IO_PU(269), PORT_DATA_IO_PU(270),
+	PORT_DATA_O(271),
+	PORT_DATA_I_PD(272),
+
+	/* Special Pull-up / Pull-down Functions */
+	PINMUX_DATA(PORT48_KEYIN0_PU_MARK, MSELBCR_MSEL2_1,
+		    PORT48_FN2, PORT48_IN_PU),
+	PINMUX_DATA(PORT49_KEYIN1_PU_MARK, MSELBCR_MSEL2_1,
+		    PORT49_FN2, PORT49_IN_PU),
+	PINMUX_DATA(PORT50_KEYIN2_PU_MARK, MSELBCR_MSEL2_1,
+		    PORT50_FN2, PORT50_IN_PU),
+	PINMUX_DATA(PORT55_KEYIN3_PU_MARK, MSELBCR_MSEL2_1,
+		    PORT55_FN2, PORT55_IN_PU),
+	PINMUX_DATA(PORT56_KEYIN4_PU_MARK, MSELBCR_MSEL2_1,
+		    PORT56_FN2, PORT56_IN_PU),
+	PINMUX_DATA(PORT57_KEYIN5_PU_MARK, MSELBCR_MSEL2_1,
+		    PORT57_FN2, PORT57_IN_PU),
+	PINMUX_DATA(PORT58_KEYIN6_PU_MARK, MSELBCR_MSEL2_1,
+		    PORT58_FN2, PORT58_IN_PU),
+
+	/* 49-1 (FN) */
+	PINMUX_DATA(VBUS0_MARK, PORT0_FN1),
+	PINMUX_DATA(CPORT0_MARK, PORT1_FN1),
+	PINMUX_DATA(CPORT1_MARK, PORT2_FN1),
+	PINMUX_DATA(CPORT2_MARK, PORT3_FN1),
+	PINMUX_DATA(CPORT3_MARK, PORT4_FN1),
+	PINMUX_DATA(CPORT4_MARK, PORT5_FN1),
+	PINMUX_DATA(CPORT5_MARK, PORT6_FN1),
+	PINMUX_DATA(CPORT6_MARK, PORT7_FN1),
+	PINMUX_DATA(CPORT7_MARK, PORT8_FN1),
+	PINMUX_DATA(CPORT8_MARK, PORT9_FN1),
+	PINMUX_DATA(CPORT9_MARK, PORT10_FN1),
+	PINMUX_DATA(CPORT10_MARK, PORT11_FN1),
+	PINMUX_DATA(CPORT11_MARK, PORT12_FN1),
+	PINMUX_DATA(SIN2_MARK, PORT12_FN2),
+	PINMUX_DATA(CPORT12_MARK, PORT13_FN1),
+	PINMUX_DATA(XCTS2_MARK, PORT13_FN2),
+	PINMUX_DATA(CPORT13_MARK, PORT14_FN1),
+	PINMUX_DATA(RFSPO4_MARK, PORT14_FN2),
+	PINMUX_DATA(CPORT14_MARK, PORT15_FN1),
+	PINMUX_DATA(RFSPO5_MARK, PORT15_FN2),
+	PINMUX_DATA(CPORT15_MARK, PORT16_FN1),
+	PINMUX_DATA(CPORT16_MARK, PORT17_FN1),
+	PINMUX_DATA(CPORT17_MARK, PORT18_FN1),
+	PINMUX_DATA(SOUT2_MARK, PORT18_FN2),
+	PINMUX_DATA(CPORT18_MARK, PORT19_FN1),
+	PINMUX_DATA(XRTS2_MARK, PORT19_FN1),
+	PINMUX_DATA(CPORT19_MARK, PORT20_FN1),
+	PINMUX_DATA(CPORT20_MARK, PORT21_FN1),
+	PINMUX_DATA(RFSPO6_MARK, PORT21_FN2),
+	PINMUX_DATA(CPORT21_MARK, PORT22_FN1),
+	PINMUX_DATA(STATUS0_MARK, PORT22_FN2),
+	PINMUX_DATA(CPORT22_MARK, PORT23_FN1),
+	PINMUX_DATA(STATUS1_MARK, PORT23_FN2),
+	PINMUX_DATA(CPORT23_MARK, PORT24_FN1),
+	PINMUX_DATA(STATUS2_MARK, PORT24_FN2),
+	PINMUX_DATA(RFSPO7_MARK, PORT24_FN3),
+	PINMUX_DATA(MPORT0_MARK, PORT25_FN1),
+	PINMUX_DATA(MPORT1_MARK, PORT26_FN1),
+	PINMUX_DATA(B_SYNLD1_MARK, PORT27_FN1),
+	PINMUX_DATA(B_SYNLD2_MARK, PORT28_FN1),
+	PINMUX_DATA(XMAINPS_MARK, PORT29_FN1),
+	PINMUX_DATA(XDIVPS_MARK, PORT30_FN1),
+	PINMUX_DATA(XIDRST_MARK, PORT31_FN1),
+	PINMUX_DATA(IDCLK_MARK, PORT32_FN1),
+	PINMUX_DATA(IDIO_MARK, PORT33_FN1),
+	PINMUX_DATA(SOUT1_MARK, PORT34_FN1),
+	PINMUX_DATA(SCIFA4_TXD_MARK, PORT34_FN2),
+	PINMUX_DATA(M02_BERDAT_MARK, PORT34_FN3),
+	PINMUX_DATA(SIN1_MARK, PORT35_FN1),
+	PINMUX_DATA(SCIFA4_RXD_MARK, PORT35_FN2),
+	PINMUX_DATA(XWUP_MARK, PORT35_FN3),
+	PINMUX_DATA(XRTS1_MARK, PORT36_FN1),
+	PINMUX_DATA(SCIFA4_RTS_MARK, PORT36_FN2),
+	PINMUX_DATA(M03_BERCLK_MARK, PORT36_FN3),
+	PINMUX_DATA(XCTS1_MARK, PORT37_FN1),
+	PINMUX_DATA(SCIFA4_CTS_MARK, PORT37_FN2),
+
+	/* 49-2 (FN) */
+	PINMUX_DATA(HSU_IQ_AGC6_MARK, PORT38_FN1),
+	PINMUX_DATA(MFG2_IN2_MARK, PORT38_FN2),
+	PINMUX_DATA(MSIOF2_MCK0_MARK, PORT38_FN3),
+	PINMUX_DATA(HSU_IQ_AGC5_MARK, PORT39_FN1),
+	PINMUX_DATA(MFG2_IN1_MARK, PORT39_FN2),
+	PINMUX_DATA(MSIOF2_MCK1_MARK, PORT39_FN3),
+	PINMUX_DATA(HSU_IQ_AGC4_MARK, PORT40_FN1),
+	PINMUX_DATA(MSIOF2_RSYNC_MARK, PORT40_FN3),
+	PINMUX_DATA(HSU_IQ_AGC3_MARK, PORT41_FN1),
+	PINMUX_DATA(MFG2_OUT1_MARK, PORT41_FN2),
+	PINMUX_DATA(MSIOF2_RSCK_MARK, PORT41_FN3),
+	PINMUX_DATA(HSU_IQ_AGC2_MARK, PORT42_FN1),
+	PINMUX_DATA(PORT42_KEYOUT0_MARK, MSELBCR_MSEL2_1, PORT42_FN2),
+	PINMUX_DATA(HSU_IQ_AGC1_MARK, PORT43_FN1),
+	PINMUX_DATA(PORT43_KEYOUT1_MARK, MSELBCR_MSEL2_1, PORT43_FN2),
+	PINMUX_DATA(HSU_IQ_AGC0_MARK, PORT44_FN1),
+	PINMUX_DATA(PORT44_KEYOUT2_MARK, MSELBCR_MSEL2_1, PORT44_FN2),
+	PINMUX_DATA(HSU_IQ_AGC_ST_MARK, PORT45_FN1),
+	PINMUX_DATA(PORT45_KEYOUT3_MARK, MSELBCR_MSEL2_1, PORT45_FN2),
+	PINMUX_DATA(HSU_IQ_PDO_MARK, PORT46_FN1),
+	PINMUX_DATA(PORT46_KEYOUT4_MARK, MSELBCR_MSEL2_1, PORT46_FN2),
+	PINMUX_DATA(HSU_IQ_PYO_MARK, PORT47_FN1),
+	PINMUX_DATA(PORT47_KEYOUT5_MARK, MSELBCR_MSEL2_1, PORT47_FN2),
+	PINMUX_DATA(HSU_EN_TXMUX_G3MO_MARK, PORT48_FN1),
+	PINMUX_DATA(PORT48_KEYIN0_MARK, MSELBCR_MSEL2_1, PORT48_FN2),
+	PINMUX_DATA(HSU_I_TXMUX_G3MO_MARK, PORT49_FN1),
+	PINMUX_DATA(PORT49_KEYIN1_MARK, MSELBCR_MSEL2_1, PORT49_FN2),
+	PINMUX_DATA(HSU_Q_TXMUX_G3MO_MARK, PORT50_FN1),
+	PINMUX_DATA(PORT50_KEYIN2_MARK, MSELBCR_MSEL2_1, PORT50_FN2),
+	PINMUX_DATA(HSU_SYO_MARK, PORT51_FN1),
+	PINMUX_DATA(PORT51_MSIOF2_TSYNC_MARK, PORT51_FN2),
+	PINMUX_DATA(HSU_SDO_MARK, PORT52_FN1),
+	PINMUX_DATA(PORT52_MSIOF2_TSCK_MARK, PORT52_FN2),
+	PINMUX_DATA(HSU_TGTTI_G3MO_MARK, PORT53_FN1),
+	PINMUX_DATA(PORT53_MSIOF2_TXD_MARK, PORT53_FN2),
+	PINMUX_DATA(B_TIME_STAMP_MARK, PORT54_FN1),
+	PINMUX_DATA(PORT54_MSIOF2_RXD_MARK, PORT54_FN2),
+	PINMUX_DATA(HSU_SDI_MARK, PORT55_FN1),
+	PINMUX_DATA(PORT55_KEYIN3_MARK, MSELBCR_MSEL2_1, PORT55_FN2),
+	PINMUX_DATA(HSU_SCO_MARK, PORT56_FN1),
+	PINMUX_DATA(PORT56_KEYIN4_MARK, MSELBCR_MSEL2_1, PORT56_FN2),
+	PINMUX_DATA(HSU_DREQ_MARK, PORT57_FN1),
+	PINMUX_DATA(PORT57_KEYIN5_MARK, MSELBCR_MSEL2_1, PORT57_FN2),
+	PINMUX_DATA(HSU_DACK_MARK, PORT58_FN1),
+	PINMUX_DATA(PORT58_KEYIN6_MARK, MSELBCR_MSEL2_1, PORT58_FN2),
+	PINMUX_DATA(HSU_CLK61M_MARK, PORT59_FN1),
+	PINMUX_DATA(PORT59_MSIOF2_SS1_MARK, PORT59_FN2),
+	PINMUX_DATA(HSU_XRST_MARK, PORT60_FN1),
+	PINMUX_DATA(PORT60_MSIOF2_SS2_MARK, PORT60_FN2),
+	PINMUX_DATA(PCMCLKO_MARK, PORT61_FN1),
+	PINMUX_DATA(SYNC8KO_MARK, PORT62_FN1),
+	PINMUX_DATA(DNPCM_A_MARK, PORT63_FN1),
+	PINMUX_DATA(UPPCM_A_MARK, PORT64_FN1),
+	PINMUX_DATA(XTALB1L_MARK, PORT65_FN1),
+	PINMUX_DATA(GPS_AGC1_MARK, PORT66_FN1),
+	PINMUX_DATA(SCIFA0_RTS_MARK, PORT66_FN2),
+	PINMUX_DATA(GPS_AGC2_MARK, PORT67_FN1),
+	PINMUX_DATA(SCIFA0_SCK_MARK, PORT67_FN2),
+	PINMUX_DATA(GPS_AGC3_MARK, PORT68_FN1),
+	PINMUX_DATA(SCIFA0_TXD_MARK, PORT68_FN2),
+	PINMUX_DATA(GPS_AGC4_MARK, PORT69_FN1),
+	PINMUX_DATA(SCIFA0_RXD_MARK, PORT69_FN2),
+	PINMUX_DATA(GPS_PWRD_MARK, PORT70_FN1),
+	PINMUX_DATA(SCIFA0_CTS_MARK, PORT70_FN2),
+	PINMUX_DATA(GPS_IM_MARK, PORT71_FN1),
+	PINMUX_DATA(GPS_IS_MARK, PORT72_FN1),
+	PINMUX_DATA(GPS_QM_MARK, PORT73_FN1),
+	PINMUX_DATA(GPS_QS_MARK, PORT74_FN1),
+	PINMUX_DATA(SIUBOMC_MARK, PORT75_FN1),
+	PINMUX_DATA(TPU2TO0_MARK, PORT75_FN3),
+	PINMUX_DATA(SIUCKB_MARK, PORT76_FN1),
+	PINMUX_DATA(TPU2TO1_MARK, PORT76_FN3),
+	PINMUX_DATA(SIUBOLR_MARK, PORT77_FN1),
+	PINMUX_DATA(BBIF2_TSYNC_MARK, PORT77_FN2),
+	PINMUX_DATA(TPU2TO2_MARK, PORT77_FN3),
+	PINMUX_DATA(SIUBOBT_MARK, PORT78_FN1),
+	PINMUX_DATA(BBIF2_TSCK_MARK, PORT78_FN2),
+	PINMUX_DATA(TPU2TO3_MARK, PORT78_FN3),
+	PINMUX_DATA(SIUBOSLD_MARK, PORT79_FN1),
+	PINMUX_DATA(BBIF2_TXD_MARK, PORT79_FN2),
+	PINMUX_DATA(TPU3TO0_MARK, PORT79_FN3),
+	PINMUX_DATA(SIUBILR_MARK, PORT80_FN1),
+	PINMUX_DATA(TPU3TO1_MARK, PORT80_FN3),
+	PINMUX_DATA(SIUBIBT_MARK, PORT81_FN1),
+	PINMUX_DATA(TPU3TO2_MARK, PORT81_FN3),
+	PINMUX_DATA(SIUBISLD_MARK, PORT82_FN1),
+	PINMUX_DATA(TPU3TO3_MARK, PORT82_FN3),
+	PINMUX_DATA(NMI_MARK, PORT83_FN1),
+	PINMUX_DATA(TPU4TO0_MARK, PORT83_FN3),
+	PINMUX_DATA(DNPCM_M_MARK, PORT84_FN1),
+	PINMUX_DATA(TPU4TO1_MARK, PORT84_FN3),
+	PINMUX_DATA(TPU4TO2_MARK, PORT85_FN3),
+	PINMUX_DATA(TPU4TO3_MARK, PORT86_FN3),
+	PINMUX_DATA(IRQ_TMPB_MARK, PORT87_FN1),
+	PINMUX_DATA(PWEN_MARK, PORT88_FN1),
+	PINMUX_DATA(MFG1_OUT1_MARK, PORT88_FN2),
+	PINMUX_DATA(OVCN_MARK, PORT89_FN1),
+	PINMUX_DATA(MFG1_IN1_MARK, PORT89_FN2),
+	PINMUX_DATA(OVCN2_MARK, PORT90_FN1),
+	PINMUX_DATA(MFG1_IN2_MARK, PORT90_FN2),
+
+	/* 49-3 (FN) */
+	PINMUX_DATA(RFSPO1_MARK, PORT91_FN1),
+	PINMUX_DATA(RFSPO2_MARK, PORT92_FN1),
+	PINMUX_DATA(RFSPO3_MARK, PORT93_FN1),
+	PINMUX_DATA(PORT93_VIO_CKO2_MARK, PORT93_FN2),
+	PINMUX_DATA(USBTERM_MARK, PORT94_FN1),
+	PINMUX_DATA(EXTLP_MARK, PORT94_FN2),
+	PINMUX_DATA(IDIN_MARK, PORT95_FN1),
+	PINMUX_DATA(SCIFA5_CTS_MARK, PORT96_FN1),
+	PINMUX_DATA(MFG0_IN1_MARK, PORT96_FN2),
+	PINMUX_DATA(SCIFA5_RTS_MARK, PORT97_FN1),
+	PINMUX_DATA(MFG0_IN2_MARK, PORT97_FN2),
+	PINMUX_DATA(SCIFA5_RXD_MARK, PORT98_FN1),
+	PINMUX_DATA(SCIFA5_TXD_MARK, PORT99_FN1),
+	PINMUX_DATA(SCIFA5_SCK_MARK, PORT100_FN1),
+	PINMUX_DATA(MFG0_OUT1_MARK, PORT100_FN2),
+	PINMUX_DATA(A0_EA0_MARK, PORT101_FN1),
+	PINMUX_DATA(BS_MARK, PORT101_FN2),
+	PINMUX_DATA(A14_EA14_MARK, PORT102_FN1),
+	PINMUX_DATA(PORT102_KEYOUT0_MARK, MSELBCR_MSEL2_0, PORT102_FN2),
+	PINMUX_DATA(A15_EA15_MARK, PORT103_FN1),
+	PINMUX_DATA(PORT103_KEYOUT1_MARK, MSELBCR_MSEL2_0, PORT103_FN2),
+	PINMUX_DATA(DV_CLKOL_MARK, PORT103_FN3),
+	PINMUX_DATA(A16_EA16_MARK, PORT104_FN1),
+	PINMUX_DATA(PORT104_KEYOUT2_MARK, MSELBCR_MSEL2_0, PORT104_FN2),
+	PINMUX_DATA(DV_VSYNCL_MARK, PORT104_FN3),
+	PINMUX_DATA(MSIOF0_SS1_MARK, PORT104_FN4),
+	PINMUX_DATA(A17_EA17_MARK, PORT105_FN1),
+	PINMUX_DATA(PORT105_KEYOUT3_MARK, MSELBCR_MSEL2_0, PORT105_FN2),
+	PINMUX_DATA(DV_HSYNCL_MARK, PORT105_FN3),
+	PINMUX_DATA(MSIOF0_TSYNC_MARK, PORT105_FN4),
+	PINMUX_DATA(A18_EA18_MARK, PORT106_FN1),
+	PINMUX_DATA(PORT106_KEYOUT4_MARK, MSELBCR_MSEL2_0, PORT106_FN2),
+	PINMUX_DATA(DV_DL0_MARK, PORT106_FN3),
+	PINMUX_DATA(MSIOF0_TSCK_MARK, PORT106_FN4),
+	PINMUX_DATA(A19_EA19_MARK, PORT107_FN1),
+	PINMUX_DATA(PORT107_KEYOUT5_MARK, MSELBCR_MSEL2_0, PORT107_FN2),
+	PINMUX_DATA(DV_DL1_MARK, PORT107_FN3),
+	PINMUX_DATA(MSIOF0_TXD_MARK, PORT107_FN4),
+	PINMUX_DATA(A20_EA20_MARK, PORT108_FN1),
+	PINMUX_DATA(PORT108_KEYIN0_MARK, MSELBCR_MSEL2_0, PORT108_FN2),
+	PINMUX_DATA(DV_DL2_MARK, PORT108_FN3),
+	PINMUX_DATA(MSIOF0_RSCK_MARK, PORT108_FN4),
+	PINMUX_DATA(A21_EA21_MARK, PORT109_FN1),
+	PINMUX_DATA(PORT109_KEYIN1_MARK, MSELBCR_MSEL2_0, PORT109_FN2),
+	PINMUX_DATA(DV_DL3_MARK, PORT109_FN3),
+	PINMUX_DATA(MSIOF0_RSYNC_MARK, PORT109_FN4),
+	PINMUX_DATA(A22_EA22_MARK, PORT110_FN1),
+	PINMUX_DATA(PORT110_KEYIN2_MARK, MSELBCR_MSEL2_0, PORT110_FN2),
+	PINMUX_DATA(DV_DL4_MARK, PORT110_FN3),
+	PINMUX_DATA(MSIOF0_MCK0_MARK, PORT110_FN4),
+	PINMUX_DATA(A23_EA23_MARK, PORT111_FN1),
+	PINMUX_DATA(PORT111_KEYIN3_MARK, MSELBCR_MSEL2_0, PORT111_FN2),
+	PINMUX_DATA(DV_DL5_MARK, PORT111_FN3),
+	PINMUX_DATA(MSIOF0_MCK1_MARK, PORT111_FN4),
+	PINMUX_DATA(A24_EA24_MARK, PORT112_FN1),
+	PINMUX_DATA(PORT112_KEYIN4_MARK, MSELBCR_MSEL2_0, PORT112_FN2),
+	PINMUX_DATA(DV_DL6_MARK, PORT112_FN3),
+	PINMUX_DATA(MSIOF0_RXD_MARK, PORT112_FN4),
+	PINMUX_DATA(A25_EA25_MARK, PORT113_FN1),
+	PINMUX_DATA(PORT113_KEYIN5_MARK, MSELBCR_MSEL2_0, PORT113_FN2),
+	PINMUX_DATA(DV_DL7_MARK, PORT113_FN3),
+	PINMUX_DATA(MSIOF0_SS2_MARK, PORT113_FN4),
+	PINMUX_DATA(A26_MARK, PORT114_FN1),
+	PINMUX_DATA(PORT113_KEYIN6_MARK, MSELBCR_MSEL2_0, PORT114_FN2),
+	PINMUX_DATA(DV_CLKIL_MARK, PORT114_FN3),
+	PINMUX_DATA(D0_ED0_NAF0_MARK, PORT115_FN1),
+	PINMUX_DATA(D1_ED1_NAF1_MARK, PORT116_FN1),
+	PINMUX_DATA(D2_ED2_NAF2_MARK, PORT117_FN1),
+	PINMUX_DATA(D3_ED3_NAF3_MARK, PORT118_FN1),
+	PINMUX_DATA(D4_ED4_NAF4_MARK, PORT119_FN1),
+	PINMUX_DATA(D5_ED5_NAF5_MARK, PORT120_FN1),
+	PINMUX_DATA(D6_ED6_NAF6_MARK, PORT121_FN1),
+	PINMUX_DATA(D7_ED7_NAF7_MARK, PORT122_FN1),
+	PINMUX_DATA(D8_ED8_NAF8_MARK, PORT123_FN1),
+	PINMUX_DATA(D9_ED9_NAF9_MARK, PORT124_FN1),
+	PINMUX_DATA(D10_ED10_NAF10_MARK, PORT125_FN1),
+	PINMUX_DATA(D11_ED11_NAF11_MARK, PORT126_FN1),
+	PINMUX_DATA(D12_ED12_NAF12_MARK, PORT127_FN1),
+	PINMUX_DATA(D13_ED13_NAF13_MARK, PORT128_FN1),
+	PINMUX_DATA(D14_ED14_NAF14_MARK, PORT129_FN1),
+	PINMUX_DATA(D15_ED15_NAF15_MARK, PORT130_FN1),
+	PINMUX_DATA(CS4_MARK, PORT131_FN1),
+	PINMUX_DATA(CS5A_MARK, PORT132_FN1),
+	PINMUX_DATA(CS5B_MARK, PORT133_FN1),
+	PINMUX_DATA(FCE1_MARK, PORT133_FN2),
+	PINMUX_DATA(CS6B_MARK, PORT134_FN1),
+	PINMUX_DATA(XCS2_MARK, PORT134_FN2),
+	PINMUX_DATA(FCE0_MARK, PORT135_FN1),
+	PINMUX_DATA(CS6A_MARK, PORT136_FN1),
+	PINMUX_DATA(DACK0_MARK, PORT136_FN2),
+	PINMUX_DATA(WAIT_MARK, PORT137_FN1),
+	PINMUX_DATA(DREQ0_MARK, PORT137_FN2),
+	PINMUX_DATA(RD_XRD_MARK, PORT138_FN1),
+	PINMUX_DATA(A27_MARK, PORT139_FN1),
+	PINMUX_DATA(RDWR_XWE_MARK, PORT139_FN2),
+	PINMUX_DATA(WE0_XWR0_FWE_MARK, PORT140_FN1),
+	PINMUX_DATA(WE1_XWR1_MARK, PORT141_FN1),
+	PINMUX_DATA(FRB_MARK, PORT142_FN1),
+	PINMUX_DATA(CKO_MARK, PORT143_FN1),
+	PINMUX_DATA(NBRSTOUT_MARK, PORT144_FN1),
+	PINMUX_DATA(NBRST_MARK, PORT145_FN1),
+
+	/* 49-4 (FN) */
+	PINMUX_DATA(RFSPO0_MARK, PORT146_FN1),
+	PINMUX_DATA(PORT146_VIO_CKO2_MARK, PORT146_FN2),
+	PINMUX_DATA(TSTMD_MARK, PORT147_FN1),
+	PINMUX_DATA(VIO_VD_MARK, PORT148_FN1),
+	PINMUX_DATA(VIO_HD_MARK, PORT149_FN1),
+	PINMUX_DATA(VIO_D0_MARK, PORT150_FN1),
+	PINMUX_DATA(VIO_D1_MARK, PORT151_FN1),
+	PINMUX_DATA(VIO_D2_MARK, PORT152_FN1),
+	PINMUX_DATA(VIO_D3_MARK, PORT153_FN1),
+	PINMUX_DATA(VIO_D4_MARK, PORT154_FN1),
+	PINMUX_DATA(VIO_D5_MARK, PORT155_FN1),
+	PINMUX_DATA(VIO_D6_MARK, PORT156_FN1),
+	PINMUX_DATA(VIO_D7_MARK, PORT157_FN1),
+	PINMUX_DATA(VIO_D8_MARK, PORT158_FN1),
+	PINMUX_DATA(VIO_D9_MARK, PORT159_FN1),
+	PINMUX_DATA(VIO_D10_MARK, PORT160_FN1),
+	PINMUX_DATA(VIO_D11_MARK, PORT161_FN1),
+	PINMUX_DATA(VIO_D12_MARK, PORT162_FN1),
+	PINMUX_DATA(VIO_D13_MARK, PORT163_FN1),
+	PINMUX_DATA(VIO_D14_MARK, PORT164_FN1),
+	PINMUX_DATA(VIO_D15_MARK, PORT165_FN1),
+	PINMUX_DATA(VIO_CLK_MARK, PORT166_FN1),
+	PINMUX_DATA(VIO_FIELD_MARK, PORT167_FN1),
+	PINMUX_DATA(VIO_CKO_MARK, PORT168_FN1),
+	PINMUX_DATA(MFG3_IN1_MARK, PORT169_FN2),
+	PINMUX_DATA(MFG3_IN2_MARK, PORT170_FN2),
+	PINMUX_DATA(M9_SLCD_A01_MARK, PORT171_FN1),
+	PINMUX_DATA(MFG3_OUT1_MARK, PORT171_FN2),
+	PINMUX_DATA(TPU0TO0_MARK, PORT171_FN3),
+	PINMUX_DATA(M10_SLCD_CK1_MARK, PORT172_FN1),
+	PINMUX_DATA(MFG4_IN1_MARK, PORT172_FN2),
+	PINMUX_DATA(TPU0TO1_MARK, PORT172_FN3),
+	PINMUX_DATA(M11_SLCD_SO1_MARK, PORT173_FN1),
+	PINMUX_DATA(MFG4_IN2_MARK, PORT173_FN2),
+	PINMUX_DATA(TPU0TO2_MARK, PORT173_FN3),
+	PINMUX_DATA(M12_SLCD_CE1_MARK, PORT174_FN1),
+	PINMUX_DATA(MFG4_OUT1_MARK, PORT174_FN2),
+	PINMUX_DATA(TPU0TO3_MARK, PORT174_FN3),
+	PINMUX_DATA(LCDD0_MARK, PORT175_FN1),
+	PINMUX_DATA(PORT175_KEYOUT0_MARK, PORT175_FN2),
+	PINMUX_DATA(DV_D0_MARK, PORT175_FN3),
+	PINMUX_DATA(SIUCKA_MARK, PORT175_FN4),
+	PINMUX_DATA(MFG0_OUT2_MARK, PORT175_FN5),
+	PINMUX_DATA(LCDD1_MARK, PORT176_FN1),
+	PINMUX_DATA(PORT176_KEYOUT1_MARK, PORT176_FN2),
+	PINMUX_DATA(DV_D1_MARK, PORT176_FN3),
+	PINMUX_DATA(SIUAOLR_MARK, PORT176_FN4),
+	PINMUX_DATA(BBIF2_TSYNC1_MARK, PORT176_FN5),
+	PINMUX_DATA(LCDD2_MARK, PORT177_FN1),
+	PINMUX_DATA(PORT177_KEYOUT2_MARK, PORT177_FN2),
+	PINMUX_DATA(DV_D2_MARK, PORT177_FN3),
+	PINMUX_DATA(SIUAOBT_MARK, PORT177_FN4),
+	PINMUX_DATA(BBIF2_TSCK1_MARK, PORT177_FN5),
+	PINMUX_DATA(LCDD3_MARK, PORT178_FN1),
+	PINMUX_DATA(PORT178_KEYOUT3_MARK, PORT178_FN2),
+	PINMUX_DATA(DV_D3_MARK, PORT178_FN3),
+	PINMUX_DATA(SIUAOSLD_MARK, PORT178_FN4),
+	PINMUX_DATA(BBIF2_TXD1_MARK, PORT178_FN5),
+	PINMUX_DATA(LCDD4_MARK, PORT179_FN1),
+	PINMUX_DATA(PORT179_KEYOUT4_MARK, PORT179_FN2),
+	PINMUX_DATA(DV_D4_MARK, PORT179_FN3),
+	PINMUX_DATA(SIUAISPD_MARK, PORT179_FN4),
+	PINMUX_DATA(MFG1_OUT2_MARK, PORT179_FN5),
+	PINMUX_DATA(LCDD5_MARK, PORT180_FN1),
+	PINMUX_DATA(PORT180_KEYOUT5_MARK, PORT180_FN2),
+	PINMUX_DATA(DV_D5_MARK, PORT180_FN3),
+	PINMUX_DATA(SIUAILR_MARK, PORT180_FN4),
+	PINMUX_DATA(MFG2_OUT2_MARK, PORT180_FN5),
+	PINMUX_DATA(LCDD6_MARK, PORT181_FN1),
+	PINMUX_DATA(DV_D6_MARK, PORT181_FN3),
+	PINMUX_DATA(SIUAIBT_MARK, PORT181_FN4),
+	PINMUX_DATA(MFG3_OUT2_MARK, PORT181_FN5),
+	PINMUX_DATA(XWR2_MARK, PORT181_FN7),
+	PINMUX_DATA(LCDD7_MARK, PORT182_FN1),
+	PINMUX_DATA(DV_D7_MARK, PORT182_FN3),
+	PINMUX_DATA(SIUAISLD_MARK, PORT182_FN4),
+	PINMUX_DATA(MFG4_OUT2_MARK, PORT182_FN5),
+	PINMUX_DATA(XWR3_MARK, PORT182_FN7),
+	PINMUX_DATA(LCDD8_MARK, PORT183_FN1),
+	PINMUX_DATA(DV_D8_MARK, PORT183_FN3),
+	PINMUX_DATA(D16_MARK, PORT183_FN6),
+	PINMUX_DATA(ED16_MARK, PORT183_FN7),
+	PINMUX_DATA(LCDD9_MARK, PORT184_FN1),
+	PINMUX_DATA(DV_D9_MARK, PORT184_FN3),
+	PINMUX_DATA(D17_MARK, PORT184_FN6),
+	PINMUX_DATA(ED17_MARK, PORT184_FN7),
+	PINMUX_DATA(LCDD10_MARK, PORT185_FN1),
+	PINMUX_DATA(DV_D10_MARK, PORT185_FN3),
+	PINMUX_DATA(D18_MARK, PORT185_FN6),
+	PINMUX_DATA(ED18_MARK, PORT185_FN7),
+	PINMUX_DATA(LCDD11_MARK, PORT186_FN1),
+	PINMUX_DATA(DV_D11_MARK, PORT186_FN3),
+	PINMUX_DATA(D19_MARK, PORT186_FN6),
+	PINMUX_DATA(ED19_MARK, PORT186_FN7),
+	PINMUX_DATA(LCDD12_MARK, PORT187_FN1),
+	PINMUX_DATA(DV_D12_MARK, PORT187_FN3),
+	PINMUX_DATA(D20_MARK, PORT187_FN6),
+	PINMUX_DATA(ED20_MARK, PORT187_FN7),
+	PINMUX_DATA(LCDD13_MARK, PORT188_FN1),
+	PINMUX_DATA(DV_D13_MARK, PORT188_FN3),
+	PINMUX_DATA(D21_MARK, PORT188_FN6),
+	PINMUX_DATA(ED21_MARK, PORT188_FN7),
+	PINMUX_DATA(LCDD14_MARK, PORT189_FN1),
+	PINMUX_DATA(DV_D14_MARK, PORT189_FN3),
+	PINMUX_DATA(D22_MARK, PORT189_FN6),
+	PINMUX_DATA(ED22_MARK, PORT189_FN7),
+	PINMUX_DATA(LCDD15_MARK, PORT190_FN1),
+	PINMUX_DATA(DV_D15_MARK, PORT190_FN3),
+	PINMUX_DATA(D23_MARK, PORT190_FN6),
+	PINMUX_DATA(ED23_MARK, PORT190_FN7),
+	PINMUX_DATA(LCDD16_MARK, PORT191_FN1),
+	PINMUX_DATA(DV_HSYNC_MARK, PORT191_FN3),
+	PINMUX_DATA(D24_MARK, PORT191_FN6),
+	PINMUX_DATA(ED24_MARK, PORT191_FN7),
+	PINMUX_DATA(LCDD17_MARK, PORT192_FN1),
+	PINMUX_DATA(DV_VSYNC_MARK, PORT192_FN3),
+	PINMUX_DATA(D25_MARK, PORT192_FN6),
+	PINMUX_DATA(ED25_MARK, PORT192_FN7),
+	PINMUX_DATA(LCDD18_MARK, PORT193_FN1),
+	PINMUX_DATA(DREQ2_MARK, PORT193_FN2),
+	PINMUX_DATA(MSIOF0L_TSCK_MARK, PORT193_FN5),
+	PINMUX_DATA(D26_MARK, PORT193_FN6),
+	PINMUX_DATA(ED26_MARK, PORT193_FN7),
+	PINMUX_DATA(LCDD19_MARK, PORT194_FN1),
+	PINMUX_DATA(MSIOF0L_TSYNC_MARK, PORT194_FN5),
+	PINMUX_DATA(D27_MARK, PORT194_FN6),
+	PINMUX_DATA(ED27_MARK, PORT194_FN7),
+	PINMUX_DATA(LCDD20_MARK, PORT195_FN1),
+	PINMUX_DATA(TS_SPSYNC1_MARK, PORT195_FN2),
+	PINMUX_DATA(MSIOF0L_MCK0_MARK, PORT195_FN5),
+	PINMUX_DATA(D28_MARK, PORT195_FN6),
+	PINMUX_DATA(ED28_MARK, PORT195_FN7),
+	PINMUX_DATA(LCDD21_MARK, PORT196_FN1),
+	PINMUX_DATA(TS_SDAT1_MARK, PORT196_FN2),
+	PINMUX_DATA(MSIOF0L_MCK1_MARK, PORT196_FN5),
+	PINMUX_DATA(D29_MARK, PORT196_FN6),
+	PINMUX_DATA(ED29_MARK, PORT196_FN7),
+	PINMUX_DATA(LCDD22_MARK, PORT197_FN1),
+	PINMUX_DATA(TS_SDEN1_MARK, PORT197_FN2),
+	PINMUX_DATA(MSIOF0L_SS1_MARK, PORT197_FN5),
+	PINMUX_DATA(D30_MARK, PORT197_FN6),
+	PINMUX_DATA(ED30_MARK, PORT197_FN7),
+	PINMUX_DATA(LCDD23_MARK, PORT198_FN1),
+	PINMUX_DATA(TS_SCK1_MARK, PORT198_FN2),
+	PINMUX_DATA(MSIOF0L_SS2_MARK, PORT198_FN5),
+	PINMUX_DATA(D31_MARK, PORT198_FN6),
+	PINMUX_DATA(ED31_MARK, PORT198_FN7),
+	PINMUX_DATA(LCDDCK_MARK, PORT199_FN1),
+	PINMUX_DATA(LCDWR_MARK, PORT199_FN2),
+	PINMUX_DATA(DV_CKO_MARK, PORT199_FN3),
+	PINMUX_DATA(SIUAOSPD_MARK, PORT199_FN4),
+	PINMUX_DATA(LCDRD_MARK, PORT200_FN1),
+	PINMUX_DATA(DACK2_MARK, PORT200_FN2),
+	PINMUX_DATA(MSIOF0L_RSYNC_MARK, PORT200_FN5),
+
+	/* 49-5 (FN) */
+	PINMUX_DATA(LCDHSYN_MARK, PORT201_FN1),
+	PINMUX_DATA(LCDCS_MARK, PORT201_FN2),
+	PINMUX_DATA(LCDCS2_MARK, PORT201_FN3),
+	PINMUX_DATA(DACK3_MARK, PORT201_FN4),
+	PINMUX_DATA(LCDDISP_MARK, PORT202_FN1),
+	PINMUX_DATA(LCDRS_MARK, PORT202_FN2),
+	PINMUX_DATA(DREQ3_MARK, PORT202_FN4),
+	PINMUX_DATA(MSIOF0L_RSCK_MARK, PORT202_FN5),
+	PINMUX_DATA(LCDCSYN_MARK, PORT203_FN1),
+	PINMUX_DATA(LCDCSYN2_MARK, PORT203_FN2),
+	PINMUX_DATA(DV_CKI_MARK, PORT203_FN3),
+	PINMUX_DATA(LCDLCLK_MARK, PORT204_FN1),
+	PINMUX_DATA(DREQ1_MARK, PORT204_FN3),
+	PINMUX_DATA(MSIOF0L_RXD_MARK, PORT204_FN5),
+	PINMUX_DATA(LCDDON_MARK, PORT205_FN1),
+	PINMUX_DATA(LCDDON2_MARK, PORT205_FN2),
+	PINMUX_DATA(DACK1_MARK, PORT205_FN3),
+	PINMUX_DATA(MSIOF0L_TXD_MARK, PORT205_FN5),
+	PINMUX_DATA(VIO_DR0_MARK, PORT206_FN1),
+	PINMUX_DATA(VIO_DR1_MARK, PORT207_FN1),
+	PINMUX_DATA(VIO_DR2_MARK, PORT208_FN1),
+	PINMUX_DATA(VIO_DR3_MARK, PORT209_FN1),
+	PINMUX_DATA(VIO_DR4_MARK, PORT210_FN1),
+	PINMUX_DATA(VIO_DR5_MARK, PORT211_FN1),
+	PINMUX_DATA(VIO_DR6_MARK, PORT212_FN1),
+	PINMUX_DATA(VIO_DR7_MARK, PORT213_FN1),
+	PINMUX_DATA(VIO_VDR_MARK, PORT214_FN1),
+	PINMUX_DATA(VIO_HDR_MARK, PORT215_FN1),
+	PINMUX_DATA(VIO_CLKR_MARK, PORT216_FN1),
+	PINMUX_DATA(VIO_CKOR_MARK, PORT217_FN1),
+	PINMUX_DATA(SCIFA1_TXD_MARK, PORT220_FN2),
+	PINMUX_DATA(GPS_PGFA0_MARK, PORT220_FN3),
+	PINMUX_DATA(SCIFA1_SCK_MARK, PORT221_FN2),
+	PINMUX_DATA(GPS_PGFA1_MARK, PORT221_FN3),
+	PINMUX_DATA(SCIFA1_RTS_MARK, PORT222_FN2),
+	PINMUX_DATA(GPS_EPPSINMON_MARK, PORT222_FN3),
+	PINMUX_DATA(SCIFA1_RXD_MARK, PORT223_FN2),
+	PINMUX_DATA(SCIFA1_CTS_MARK, PORT224_FN2),
+	PINMUX_DATA(MSIOF1_TXD_MARK, PORT225_FN1),
+	PINMUX_DATA(SCIFA1_TXD2_MARK, PORT225_FN2),
+	PINMUX_DATA(GPS_TXD_MARK, PORT225_FN3),
+	PINMUX_DATA(MSIOF1_TSYNC_MARK, PORT226_FN1),
+	PINMUX_DATA(SCIFA1_CTS2_MARK, PORT226_FN2),
+	PINMUX_DATA(I2C_SDA2_MARK, PORT226_FN3),
+	PINMUX_DATA(MSIOF1_TSCK_MARK, PORT227_FN1),
+	PINMUX_DATA(SCIFA1_SCK2_MARK, PORT227_FN2),
+	PINMUX_DATA(MSIOF1_RXD_MARK, PORT228_FN1),
+	PINMUX_DATA(SCIFA1_RXD2_MARK, PORT228_FN2),
+	PINMUX_DATA(GPS_RXD_MARK, PORT228_FN3),
+	PINMUX_DATA(MSIOF1_RSCK_MARK, PORT229_FN1),
+	PINMUX_DATA(SCIFA1_RTS2_MARK, PORT229_FN2),
+	PINMUX_DATA(MSIOF1_RSYNC_MARK, PORT230_FN1),
+	PINMUX_DATA(I2C_SCL2_MARK, PORT230_FN3),
+	PINMUX_DATA(MSIOF1_MCK0_MARK, PORT231_FN1),
+	PINMUX_DATA(MSIOF1_MCK1_MARK, PORT232_FN1),
+	PINMUX_DATA(MSIOF1_SS1_MARK, PORT233_FN1),
+	PINMUX_DATA(EDBGREQ3_MARK, PORT233_FN2),
+	PINMUX_DATA(MSIOF1_SS2_MARK, PORT234_FN1),
+	PINMUX_DATA(PORT236_IROUT_MARK, PORT236_FN1),
+	PINMUX_DATA(IRDA_OUT_MARK, PORT236_FN2),
+	PINMUX_DATA(IRDA_IN_MARK, PORT237_FN2),
+	PINMUX_DATA(IRDA_FIRSEL_MARK, PORT238_FN1),
+	PINMUX_DATA(TPU1TO0_MARK, PORT239_FN3),
+	PINMUX_DATA(TS_SPSYNC3_MARK, PORT239_FN4),
+	PINMUX_DATA(TPU1TO1_MARK, PORT240_FN3),
+	PINMUX_DATA(TS_SDAT3_MARK, PORT240_FN4),
+	PINMUX_DATA(TPU1TO2_MARK, PORT241_FN3),
+	PINMUX_DATA(TS_SDEN3_MARK, PORT241_FN4),
+	PINMUX_DATA(PORT241_MSIOF2_SS1_MARK, PORT241_FN5),
+	PINMUX_DATA(TPU1TO3_MARK, PORT242_FN3),
+	PINMUX_DATA(PORT242_MSIOF2_TSCK_MARK, PORT242_FN5),
+	PINMUX_DATA(M13_BSW_MARK, PORT243_FN2),
+	PINMUX_DATA(PORT243_MSIOF2_TSYNC_MARK, PORT243_FN5),
+	PINMUX_DATA(M14_GSW_MARK, PORT244_FN2),
+	PINMUX_DATA(PORT244_MSIOF2_TXD_MARK, PORT244_FN5),
+	PINMUX_DATA(PORT245_IROUT_MARK, PORT245_FN1),
+	PINMUX_DATA(M15_RSW_MARK, PORT245_FN2),
+	PINMUX_DATA(SOUT3_MARK, PORT246_FN1),
+	PINMUX_DATA(SCIFA2_TXD1_MARK, PORT246_FN2),
+	PINMUX_DATA(SIN3_MARK, PORT247_FN1),
+	PINMUX_DATA(SCIFA2_RXD1_MARK, PORT247_FN2),
+	PINMUX_DATA(XRTS3_MARK, PORT248_FN1),
+	PINMUX_DATA(SCIFA2_RTS1_MARK, PORT248_FN2),
+	PINMUX_DATA(PORT248_MSIOF2_SS2_MARK, PORT248_FN5),
+	PINMUX_DATA(XCTS3_MARK, PORT249_FN1),
+	PINMUX_DATA(SCIFA2_CTS1_MARK, PORT249_FN2),
+	PINMUX_DATA(PORT249_MSIOF2_RXD_MARK, PORT249_FN5),
+	PINMUX_DATA(DINT_MARK, PORT250_FN1),
+	PINMUX_DATA(SCIFA2_SCK1_MARK, PORT250_FN2),
+	PINMUX_DATA(TS_SCK3_MARK, PORT250_FN4),
+	PINMUX_DATA(SDHICLK0_MARK, PORT251_FN1),
+	PINMUX_DATA(TCK2_MARK, PORT251_FN2),
+	PINMUX_DATA(SDHICD0_MARK, PORT252_FN1),
+	PINMUX_DATA(SDHID0_0_MARK, PORT253_FN1),
+	PINMUX_DATA(TMS2_MARK, PORT253_FN2),
+	PINMUX_DATA(SDHID0_1_MARK, PORT254_FN1),
+	PINMUX_DATA(TDO2_MARK, PORT254_FN2),
+	PINMUX_DATA(SDHID0_2_MARK, PORT255_FN1),
+	PINMUX_DATA(TDI2_MARK, PORT255_FN2),
+	PINMUX_DATA(SDHID0_3_MARK, PORT256_FN1),
+	PINMUX_DATA(RTCK2_MARK, PORT256_FN2),
+
+	/* 49-6 (FN) */
+	PINMUX_DATA(SDHICMD0_MARK, PORT257_FN1),
+	PINMUX_DATA(TRST2_MARK, PORT257_FN2),
+	PINMUX_DATA(SDHIWP0_MARK, PORT258_FN1),
+	PINMUX_DATA(EDBGREQ2_MARK, PORT258_FN2),
+	PINMUX_DATA(SDHICLK1_MARK, PORT259_FN1),
+	PINMUX_DATA(TCK3_MARK, PORT259_FN4),
+	PINMUX_DATA(SDHID1_0_MARK, PORT260_FN1),
+	PINMUX_DATA(M11_SLCD_SO2_MARK, PORT260_FN2),
+	PINMUX_DATA(TS_SPSYNC2_MARK, PORT260_FN3),
+	PINMUX_DATA(TMS3_MARK, PORT260_FN4),
+	PINMUX_DATA(SDHID1_1_MARK, PORT261_FN1),
+	PINMUX_DATA(M9_SLCD_AO2_MARK, PORT261_FN2),
+	PINMUX_DATA(TS_SDAT2_MARK, PORT261_FN3),
+	PINMUX_DATA(TDO3_MARK, PORT261_FN4),
+	PINMUX_DATA(SDHID1_2_MARK, PORT262_FN1),
+	PINMUX_DATA(M10_SLCD_CK2_MARK, PORT262_FN2),
+	PINMUX_DATA(TS_SDEN2_MARK, PORT262_FN3),
+	PINMUX_DATA(TDI3_MARK, PORT262_FN4),
+	PINMUX_DATA(SDHID1_3_MARK, PORT263_FN1),
+	PINMUX_DATA(M12_SLCD_CE2_MARK, PORT263_FN2),
+	PINMUX_DATA(TS_SCK2_MARK, PORT263_FN3),
+	PINMUX_DATA(RTCK3_MARK, PORT263_FN4),
+	PINMUX_DATA(SDHICMD1_MARK, PORT264_FN1),
+	PINMUX_DATA(TRST3_MARK, PORT264_FN4),
+	PINMUX_DATA(SDHICLK2_MARK, PORT265_FN1),
+	PINMUX_DATA(SCIFB_SCK_MARK, PORT265_FN2),
+	PINMUX_DATA(SDHID2_0_MARK, PORT266_FN1),
+	PINMUX_DATA(SCIFB_TXD_MARK, PORT266_FN2),
+	PINMUX_DATA(SDHID2_1_MARK, PORT267_FN1),
+	PINMUX_DATA(SCIFB_CTS_MARK, PORT267_FN2),
+	PINMUX_DATA(SDHID2_2_MARK, PORT268_FN1),
+	PINMUX_DATA(SCIFB_RXD_MARK, PORT268_FN2),
+	PINMUX_DATA(SDHID2_3_MARK, PORT269_FN1),
+	PINMUX_DATA(SCIFB_RTS_MARK, PORT269_FN2),
+	PINMUX_DATA(SDHICMD2_MARK, PORT270_FN1),
+	PINMUX_DATA(RESETOUTS_MARK, PORT271_FN1),
+	PINMUX_DATA(DIVLOCK_MARK, PORT272_FN1),
+};
+
+#define _GPIO_PORT(pfx, sfx) PINMUX_GPIO(GPIO_PORT##pfx, PORT##pfx##_DATA)
+#define GPIO_PORT_273() _273(_GPIO_PORT, , unused)
+#define GPIO_FN(str) PINMUX_GPIO(GPIO_FN_##str, str##_MARK)
+
+static struct pinmux_gpio pinmux_gpios[] = {
+	/* 49-1 -> 49-6 (GPIO) */
+	GPIO_PORT_273(),
+
+	/* Special Pull-up / Pull-down Functions */
+	GPIO_FN(PORT48_KEYIN0_PU), GPIO_FN(PORT49_KEYIN1_PU),
+	GPIO_FN(PORT50_KEYIN2_PU), GPIO_FN(PORT55_KEYIN3_PU),
+	GPIO_FN(PORT56_KEYIN4_PU), GPIO_FN(PORT57_KEYIN5_PU),
+	GPIO_FN(PORT58_KEYIN6_PU),
+
+	/* 49-1 (FN) */
+	GPIO_FN(VBUS0), GPIO_FN(CPORT0), GPIO_FN(CPORT1), GPIO_FN(CPORT2),
+	GPIO_FN(CPORT3), GPIO_FN(CPORT4), GPIO_FN(CPORT5), GPIO_FN(CPORT6),
+	GPIO_FN(CPORT7), GPIO_FN(CPORT8), GPIO_FN(CPORT9), GPIO_FN(CPORT10),
+	GPIO_FN(CPORT11), GPIO_FN(SIN2), GPIO_FN(CPORT12), GPIO_FN(XCTS2),
+	GPIO_FN(CPORT13), GPIO_FN(RFSPO4), GPIO_FN(CPORT14), GPIO_FN(RFSPO5),
+	GPIO_FN(CPORT15), GPIO_FN(CPORT16), GPIO_FN(CPORT17), GPIO_FN(SOUT2),
+	GPIO_FN(CPORT18), GPIO_FN(XRTS2), GPIO_FN(CPORT19), GPIO_FN(CPORT20),
+	GPIO_FN(RFSPO6), GPIO_FN(CPORT21), GPIO_FN(STATUS0), GPIO_FN(CPORT22),
+	GPIO_FN(STATUS1), GPIO_FN(CPORT23), GPIO_FN(STATUS2), GPIO_FN(RFSPO7),
+	GPIO_FN(MPORT0), GPIO_FN(MPORT1), GPIO_FN(B_SYNLD1), GPIO_FN(B_SYNLD2),
+	GPIO_FN(XMAINPS), GPIO_FN(XDIVPS), GPIO_FN(XIDRST), GPIO_FN(IDCLK),
+	GPIO_FN(IDIO), GPIO_FN(SOUT1), GPIO_FN(SCIFA4_TXD),
+	GPIO_FN(M02_BERDAT), GPIO_FN(SIN1), GPIO_FN(SCIFA4_RXD), GPIO_FN(XWUP),
+	GPIO_FN(XRTS1), GPIO_FN(SCIFA4_RTS), GPIO_FN(M03_BERCLK),
+	GPIO_FN(XCTS1), GPIO_FN(SCIFA4_CTS),
+
+	/* 49-2 (FN) */
+	GPIO_FN(HSU_IQ_AGC6), GPIO_FN(MFG2_IN2), GPIO_FN(MSIOF2_MCK0),
+	GPIO_FN(HSU_IQ_AGC5), GPIO_FN(MFG2_IN1), GPIO_FN(MSIOF2_MCK1),
+	GPIO_FN(HSU_IQ_AGC4), GPIO_FN(MSIOF2_RSYNC),
+	GPIO_FN(HSU_IQ_AGC3), GPIO_FN(MFG2_OUT1), GPIO_FN(MSIOF2_RSCK),
+	GPIO_FN(HSU_IQ_AGC2), GPIO_FN(PORT42_KEYOUT0),
+	GPIO_FN(HSU_IQ_AGC1), GPIO_FN(PORT43_KEYOUT1),
+	GPIO_FN(HSU_IQ_AGC0), GPIO_FN(PORT44_KEYOUT2),
+	GPIO_FN(HSU_IQ_AGC_ST), GPIO_FN(PORT45_KEYOUT3),
+	GPIO_FN(HSU_IQ_PDO), GPIO_FN(PORT46_KEYOUT4),
+	GPIO_FN(HSU_IQ_PYO), GPIO_FN(PORT47_KEYOUT5),
+	GPIO_FN(HSU_EN_TXMUX_G3MO), GPIO_FN(PORT48_KEYIN0),
+	GPIO_FN(HSU_I_TXMUX_G3MO), GPIO_FN(PORT49_KEYIN1),
+	GPIO_FN(HSU_Q_TXMUX_G3MO), GPIO_FN(PORT50_KEYIN2),
+	GPIO_FN(HSU_SYO), GPIO_FN(PORT51_MSIOF2_TSYNC),
+	GPIO_FN(HSU_SDO), GPIO_FN(PORT52_MSIOF2_TSCK),
+	GPIO_FN(HSU_TGTTI_G3MO), GPIO_FN(PORT53_MSIOF2_TXD),
+	GPIO_FN(B_TIME_STAMP), GPIO_FN(PORT54_MSIOF2_RXD),
+	GPIO_FN(HSU_SDI), GPIO_FN(PORT55_KEYIN3),
+	GPIO_FN(HSU_SCO), GPIO_FN(PORT56_KEYIN4),
+	GPIO_FN(HSU_DREQ), GPIO_FN(PORT57_KEYIN5),
+	GPIO_FN(HSU_DACK), GPIO_FN(PORT58_KEYIN6),
+	GPIO_FN(HSU_CLK61M), GPIO_FN(PORT59_MSIOF2_SS1),
+	GPIO_FN(HSU_XRST), GPIO_FN(PORT60_MSIOF2_SS2),
+	GPIO_FN(PCMCLKO), GPIO_FN(SYNC8KO), GPIO_FN(DNPCM_A), GPIO_FN(UPPCM_A),
+	GPIO_FN(XTALB1L),
+	GPIO_FN(GPS_AGC1), GPIO_FN(SCIFA0_RTS),
+	GPIO_FN(GPS_AGC2), GPIO_FN(SCIFA0_SCK),
+	GPIO_FN(GPS_AGC3), GPIO_FN(SCIFA0_TXD),
+	GPIO_FN(GPS_AGC4), GPIO_FN(SCIFA0_RXD),
+	GPIO_FN(GPS_PWRD), GPIO_FN(SCIFA0_CTS),
+	GPIO_FN(GPS_IM), GPIO_FN(GPS_IS), GPIO_FN(GPS_QM), GPIO_FN(GPS_QS),
+	GPIO_FN(SIUBOMC), GPIO_FN(TPU2TO0),
+	GPIO_FN(SIUCKB), GPIO_FN(TPU2TO1),
+	GPIO_FN(SIUBOLR), GPIO_FN(BBIF2_TSYNC), GPIO_FN(TPU2TO2),
+	GPIO_FN(SIUBOBT), GPIO_FN(BBIF2_TSCK), GPIO_FN(TPU2TO3),
+	GPIO_FN(SIUBOSLD), GPIO_FN(BBIF2_TXD), GPIO_FN(TPU3TO0),
+	GPIO_FN(SIUBILR), GPIO_FN(TPU3TO1),
+	GPIO_FN(SIUBIBT), GPIO_FN(TPU3TO2),
+	GPIO_FN(SIUBISLD), GPIO_FN(TPU3TO3),
+	GPIO_FN(NMI), GPIO_FN(TPU4TO0),
+	GPIO_FN(DNPCM_M), GPIO_FN(TPU4TO1), GPIO_FN(TPU4TO2), GPIO_FN(TPU4TO3),
+	GPIO_FN(IRQ_TMPB),
+	GPIO_FN(PWEN), GPIO_FN(MFG1_OUT1),
+	GPIO_FN(OVCN), GPIO_FN(MFG1_IN1),
+	GPIO_FN(OVCN2), GPIO_FN(MFG1_IN2),
+
+	/* 49-3 (FN) */
+	GPIO_FN(RFSPO1), GPIO_FN(RFSPO2), GPIO_FN(RFSPO3),
+	GPIO_FN(PORT93_VIO_CKO2),
+	GPIO_FN(USBTERM), GPIO_FN(EXTLP), GPIO_FN(IDIN),
+	GPIO_FN(SCIFA5_CTS), GPIO_FN(MFG0_IN1),
+	GPIO_FN(SCIFA5_RTS), GPIO_FN(MFG0_IN2),
+	GPIO_FN(SCIFA5_RXD),
+	GPIO_FN(SCIFA5_TXD),
+	GPIO_FN(SCIFA5_SCK), GPIO_FN(MFG0_OUT1),
+	GPIO_FN(A0_EA0), GPIO_FN(BS),
+	GPIO_FN(A14_EA14), GPIO_FN(PORT102_KEYOUT0),
+	GPIO_FN(A15_EA15), GPIO_FN(PORT103_KEYOUT1), GPIO_FN(DV_CLKOL),
+	GPIO_FN(A16_EA16), GPIO_FN(PORT104_KEYOUT2),
+	GPIO_FN(DV_VSYNCL), GPIO_FN(MSIOF0_SS1),
+	GPIO_FN(A17_EA17), GPIO_FN(PORT105_KEYOUT3),
+	GPIO_FN(DV_HSYNCL), GPIO_FN(MSIOF0_TSYNC),
+	GPIO_FN(A18_EA18), GPIO_FN(PORT106_KEYOUT4),
+	GPIO_FN(DV_DL0), GPIO_FN(MSIOF0_TSCK),
+	GPIO_FN(A19_EA19), GPIO_FN(PORT107_KEYOUT5),
+	GPIO_FN(DV_DL1), GPIO_FN(MSIOF0_TXD),
+	GPIO_FN(A20_EA20), GPIO_FN(PORT108_KEYIN0),
+	GPIO_FN(DV_DL2), GPIO_FN(MSIOF0_RSCK),
+	GPIO_FN(A21_EA21), GPIO_FN(PORT109_KEYIN1),
+	GPIO_FN(DV_DL3), GPIO_FN(MSIOF0_RSYNC),
+	GPIO_FN(A22_EA22), GPIO_FN(PORT110_KEYIN2),
+	GPIO_FN(DV_DL4), GPIO_FN(MSIOF0_MCK0),
+	GPIO_FN(A23_EA23), GPIO_FN(PORT111_KEYIN3),
+	GPIO_FN(DV_DL5), GPIO_FN(MSIOF0_MCK1),
+	GPIO_FN(A24_EA24), GPIO_FN(PORT112_KEYIN4),
+	GPIO_FN(DV_DL6), GPIO_FN(MSIOF0_RXD),
+	GPIO_FN(A25_EA25), GPIO_FN(PORT113_KEYIN5),
+	GPIO_FN(DV_DL7), GPIO_FN(MSIOF0_SS2),
+	GPIO_FN(A26), GPIO_FN(PORT113_KEYIN6), GPIO_FN(DV_CLKIL),
+	GPIO_FN(D0_ED0_NAF0), GPIO_FN(D1_ED1_NAF1), GPIO_FN(D2_ED2_NAF2),
+	GPIO_FN(D3_ED3_NAF3), GPIO_FN(D4_ED4_NAF4), GPIO_FN(D5_ED5_NAF5),
+	GPIO_FN(D6_ED6_NAF6), GPIO_FN(D7_ED7_NAF7), GPIO_FN(D8_ED8_NAF8),
+	GPIO_FN(D9_ED9_NAF9), GPIO_FN(D10_ED10_NAF10), GPIO_FN(D11_ED11_NAF11),
+	GPIO_FN(D12_ED12_NAF12), GPIO_FN(D13_ED13_NAF13),
+	GPIO_FN(D14_ED14_NAF14), GPIO_FN(D15_ED15_NAF15),
+	GPIO_FN(CS4), GPIO_FN(CS5A), GPIO_FN(CS5B), GPIO_FN(FCE1),
+	GPIO_FN(CS6B), GPIO_FN(XCS2), GPIO_FN(FCE0), GPIO_FN(CS6A),
+	GPIO_FN(DACK0), GPIO_FN(WAIT), GPIO_FN(DREQ0), GPIO_FN(RD_XRD),
+	GPIO_FN(A27), GPIO_FN(RDWR_XWE), GPIO_FN(WE0_XWR0_FWE),
+	GPIO_FN(WE1_XWR1), GPIO_FN(FRB), GPIO_FN(CKO),
+	GPIO_FN(NBRSTOUT), GPIO_FN(NBRST),
+
+	/* 49-4 (FN) */
+	GPIO_FN(RFSPO0), GPIO_FN(PORT146_VIO_CKO2), GPIO_FN(TSTMD),
+	GPIO_FN(VIO_VD), GPIO_FN(VIO_HD),
+	GPIO_FN(VIO_D0), GPIO_FN(VIO_D1), GPIO_FN(VIO_D2),
+	GPIO_FN(VIO_D3), GPIO_FN(VIO_D4), GPIO_FN(VIO_D5),
+	GPIO_FN(VIO_D6), GPIO_FN(VIO_D7), GPIO_FN(VIO_D8),
+	GPIO_FN(VIO_D9), GPIO_FN(VIO_D10), GPIO_FN(VIO_D11),
+	GPIO_FN(VIO_D12), GPIO_FN(VIO_D13), GPIO_FN(VIO_D14),
+	GPIO_FN(VIO_D15), GPIO_FN(VIO_CLK), GPIO_FN(VIO_FIELD),
+	GPIO_FN(VIO_CKO),
+	GPIO_FN(MFG3_IN1), GPIO_FN(MFG3_IN2),
+	GPIO_FN(M9_SLCD_A01), GPIO_FN(MFG3_OUT1), GPIO_FN(TPU0TO0),
+	GPIO_FN(M10_SLCD_CK1), GPIO_FN(MFG4_IN1), GPIO_FN(TPU0TO1),
+	GPIO_FN(M11_SLCD_SO1), GPIO_FN(MFG4_IN2), GPIO_FN(TPU0TO2),
+	GPIO_FN(M12_SLCD_CE1), GPIO_FN(MFG4_OUT1), GPIO_FN(TPU0TO3),
+	GPIO_FN(LCDD0), GPIO_FN(PORT175_KEYOUT0), GPIO_FN(DV_D0),
+	GPIO_FN(SIUCKA), GPIO_FN(MFG0_OUT2),
+	GPIO_FN(LCDD1), GPIO_FN(PORT176_KEYOUT1), GPIO_FN(DV_D1),
+	GPIO_FN(SIUAOLR), GPIO_FN(BBIF2_TSYNC1),
+	GPIO_FN(LCDD2), GPIO_FN(PORT177_KEYOUT2), GPIO_FN(DV_D2),
+	GPIO_FN(SIUAOBT), GPIO_FN(BBIF2_TSCK1),
+	GPIO_FN(LCDD3), GPIO_FN(PORT178_KEYOUT3), GPIO_FN(DV_D3),
+	GPIO_FN(SIUAOSLD), GPIO_FN(BBIF2_TXD1),
+	GPIO_FN(LCDD4), GPIO_FN(PORT179_KEYOUT4), GPIO_FN(DV_D4),
+	GPIO_FN(SIUAISPD), GPIO_FN(MFG1_OUT2),
+	GPIO_FN(LCDD5), GPIO_FN(PORT180_KEYOUT5), GPIO_FN(DV_D5),
+	GPIO_FN(SIUAILR), GPIO_FN(MFG2_OUT2),
+	GPIO_FN(LCDD6), GPIO_FN(DV_D6),
+	GPIO_FN(SIUAIBT), GPIO_FN(MFG3_OUT2), GPIO_FN(XWR2),
+	GPIO_FN(LCDD7), GPIO_FN(DV_D7),
+	GPIO_FN(SIUAISLD), GPIO_FN(MFG4_OUT2), GPIO_FN(XWR3),
+	GPIO_FN(LCDD8), GPIO_FN(DV_D8), GPIO_FN(D16), GPIO_FN(ED16),
+	GPIO_FN(LCDD9), GPIO_FN(DV_D9), GPIO_FN(D17), GPIO_FN(ED17),
+	GPIO_FN(LCDD10), GPIO_FN(DV_D10), GPIO_FN(D18), GPIO_FN(ED18),
+	GPIO_FN(LCDD11), GPIO_FN(DV_D11), GPIO_FN(D19), GPIO_FN(ED19),
+	GPIO_FN(LCDD12), GPIO_FN(DV_D12), GPIO_FN(D20), GPIO_FN(ED20),
+	GPIO_FN(LCDD13), GPIO_FN(DV_D13), GPIO_FN(D21), GPIO_FN(ED21),
+	GPIO_FN(LCDD14), GPIO_FN(DV_D14), GPIO_FN(D22), GPIO_FN(ED22),
+	GPIO_FN(LCDD15), GPIO_FN(DV_D15), GPIO_FN(D23), GPIO_FN(ED23),
+	GPIO_FN(LCDD16), GPIO_FN(DV_HSYNC), GPIO_FN(D24), GPIO_FN(ED24),
+	GPIO_FN(LCDD17), GPIO_FN(DV_VSYNC), GPIO_FN(D25), GPIO_FN(ED25),
+	GPIO_FN(LCDD18), GPIO_FN(DREQ2), GPIO_FN(MSIOF0L_TSCK),
+	GPIO_FN(D26), GPIO_FN(ED26),
+	GPIO_FN(LCDD19), GPIO_FN(MSIOF0L_TSYNC),
+	GPIO_FN(D27), GPIO_FN(ED27),
+	GPIO_FN(LCDD20), GPIO_FN(TS_SPSYNC1), GPIO_FN(MSIOF0L_MCK0),
+	GPIO_FN(D28), GPIO_FN(ED28),
+	GPIO_FN(LCDD21), GPIO_FN(TS_SDAT1), GPIO_FN(MSIOF0L_MCK1),
+	GPIO_FN(D29), GPIO_FN(ED29),
+	GPIO_FN(LCDD22), GPIO_FN(TS_SDEN1), GPIO_FN(MSIOF0L_SS1),
+	GPIO_FN(D30), GPIO_FN(ED30),
+	GPIO_FN(LCDD23), GPIO_FN(TS_SCK1), GPIO_FN(MSIOF0L_SS2),
+	GPIO_FN(D31), GPIO_FN(ED31),
+	GPIO_FN(LCDDCK), GPIO_FN(LCDWR), GPIO_FN(DV_CKO), GPIO_FN(SIUAOSPD),
+	GPIO_FN(LCDRD), GPIO_FN(DACK2), GPIO_FN(MSIOF0L_RSYNC),
+
+	/* 49-5 (FN) */
+	GPIO_FN(LCDHSYN), GPIO_FN(LCDCS), GPIO_FN(LCDCS2), GPIO_FN(DACK3),
+	GPIO_FN(LCDDISP), GPIO_FN(LCDRS), GPIO_FN(DREQ3), GPIO_FN(MSIOF0L_RSCK),
+	GPIO_FN(LCDCSYN), GPIO_FN(LCDCSYN2), GPIO_FN(DV_CKI),
+	GPIO_FN(LCDLCLK), GPIO_FN(DREQ1), GPIO_FN(MSIOF0L_RXD),
+	GPIO_FN(LCDDON), GPIO_FN(LCDDON2), GPIO_FN(DACK1), GPIO_FN(MSIOF0L_TXD),
+	GPIO_FN(VIO_DR0), GPIO_FN(VIO_DR1), GPIO_FN(VIO_DR2), GPIO_FN(VIO_DR3),
+	GPIO_FN(VIO_DR4), GPIO_FN(VIO_DR5), GPIO_FN(VIO_DR6), GPIO_FN(VIO_DR7),
+	GPIO_FN(VIO_VDR), GPIO_FN(VIO_HDR),
+	GPIO_FN(VIO_CLKR), GPIO_FN(VIO_CKOR),
+	GPIO_FN(SCIFA1_TXD), GPIO_FN(GPS_PGFA0),
+	GPIO_FN(SCIFA1_SCK), GPIO_FN(GPS_PGFA1),
+	GPIO_FN(SCIFA1_RTS), GPIO_FN(GPS_EPPSINMON),
+	GPIO_FN(SCIFA1_RXD), GPIO_FN(SCIFA1_CTS),
+	GPIO_FN(MSIOF1_TXD), GPIO_FN(SCIFA1_TXD2), GPIO_FN(GPS_TXD),
+	GPIO_FN(MSIOF1_TSYNC), GPIO_FN(SCIFA1_CTS2), GPIO_FN(I2C_SDA2),
+	GPIO_FN(MSIOF1_TSCK), GPIO_FN(SCIFA1_SCK2),
+	GPIO_FN(MSIOF1_RXD), GPIO_FN(SCIFA1_RXD2), GPIO_FN(GPS_RXD),
+	GPIO_FN(MSIOF1_RSCK), GPIO_FN(SCIFA1_RTS2),
+	GPIO_FN(MSIOF1_RSYNC), GPIO_FN(I2C_SCL2),
+	GPIO_FN(MSIOF1_MCK0), GPIO_FN(MSIOF1_MCK1),
+	GPIO_FN(MSIOF1_SS1), GPIO_FN(EDBGREQ3),
+	GPIO_FN(MSIOF1_SS2),
+	GPIO_FN(PORT236_IROUT), GPIO_FN(IRDA_OUT),
+	GPIO_FN(IRDA_IN), GPIO_FN(IRDA_FIRSEL),
+	GPIO_FN(TPU1TO0), GPIO_FN(TS_SPSYNC3),
+	GPIO_FN(TPU1TO1), GPIO_FN(TS_SDAT3),
+	GPIO_FN(TPU1TO2), GPIO_FN(TS_SDEN3), GPIO_FN(PORT241_MSIOF2_SS1),
+	GPIO_FN(TPU1TO3), GPIO_FN(PORT242_MSIOF2_TSCK),
+	GPIO_FN(M13_BSW), GPIO_FN(PORT243_MSIOF2_TSYNC),
+	GPIO_FN(M14_GSW), GPIO_FN(PORT244_MSIOF2_TXD),
+	GPIO_FN(PORT245_IROUT), GPIO_FN(M15_RSW),
+	GPIO_FN(SOUT3), GPIO_FN(SCIFA2_TXD1),
+	GPIO_FN(SIN3), GPIO_FN(SCIFA2_RXD1),
+	GPIO_FN(XRTS3), GPIO_FN(SCIFA2_RTS1), GPIO_FN(PORT248_MSIOF2_SS2),
+	GPIO_FN(XCTS3), GPIO_FN(SCIFA2_CTS1), GPIO_FN(PORT249_MSIOF2_RXD),
+	GPIO_FN(DINT), GPIO_FN(SCIFA2_SCK1), GPIO_FN(TS_SCK3),
+	GPIO_FN(SDHICLK0), GPIO_FN(TCK2),
+	GPIO_FN(SDHICD0),
+	GPIO_FN(SDHID0_0), GPIO_FN(TMS2),
+	GPIO_FN(SDHID0_1), GPIO_FN(TDO2),
+	GPIO_FN(SDHID0_2), GPIO_FN(TDI2),
+	GPIO_FN(SDHID0_3), GPIO_FN(RTCK2),
+
+	/* 49-6 (FN) */
+	GPIO_FN(SDHICMD0), GPIO_FN(TRST2),
+	GPIO_FN(SDHIWP0), GPIO_FN(EDBGREQ2),
+	GPIO_FN(SDHICLK1), GPIO_FN(TCK3),
+	GPIO_FN(SDHID1_0), GPIO_FN(M11_SLCD_SO2),
+	GPIO_FN(TS_SPSYNC2), GPIO_FN(TMS3),
+	GPIO_FN(SDHID1_1), GPIO_FN(M9_SLCD_AO2),
+	GPIO_FN(TS_SDAT2), GPIO_FN(TDO3),
+	GPIO_FN(SDHID1_2), GPIO_FN(M10_SLCD_CK2),
+	GPIO_FN(TS_SDEN2), GPIO_FN(TDI3),
+	GPIO_FN(SDHID1_3), GPIO_FN(M12_SLCD_CE2),
+	GPIO_FN(TS_SCK2), GPIO_FN(RTCK3),
+	GPIO_FN(SDHICMD1), GPIO_FN(TRST3),
+	GPIO_FN(SDHICLK2), GPIO_FN(SCIFB_SCK),
+	GPIO_FN(SDHID2_0), GPIO_FN(SCIFB_TXD),
+	GPIO_FN(SDHID2_1), GPIO_FN(SCIFB_CTS),
+	GPIO_FN(SDHID2_2), GPIO_FN(SCIFB_RXD),
+	GPIO_FN(SDHID2_3), GPIO_FN(SCIFB_RTS),
+	GPIO_FN(SDHICMD2),
+	GPIO_FN(RESETOUTS),
+	GPIO_FN(DIVLOCK),
+};
+
+/* helper for top 4 bits in PORTnCR */
+#define PCRH(in, in_pd, in_pu, out)		\
+	0, (out), (in), 0,			\
+	0, 0, 0, 0,				\
+	0, 0, (in_pd), 0,			\
+	0, 0, (in_pu), 0
+
+#define PORTCR(nr, reg)						\
+	{ PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) {		\
+		PCRH(PORT##nr##_IN, PORT##nr##_IN_PD,		\
+		     PORT##nr##_IN_PU, PORT##nr##_OUT),		\
+		PORT##nr##_FN0, PORT##nr##_FN1, PORT##nr##_FN2,	\
+		PORT##nr##_FN3,	PORT##nr##_FN4, PORT##nr##_FN5,	\
+		PORT##nr##_FN6, PORT##nr##_FN7 }		\
+	}
+
+static struct pinmux_cfg_reg pinmux_config_regs[] = {
+	PORTCR(0, 0xe6050000), /* PORT0CR */
+	PORTCR(1, 0xe6050001), /* PORT1CR */
+	PORTCR(2, 0xe6050002), /* PORT2CR */
+	PORTCR(3, 0xe6050003), /* PORT3CR */
+	PORTCR(4, 0xe6050004), /* PORT4CR */
+	PORTCR(5, 0xe6050005), /* PORT5CR */
+	PORTCR(6, 0xe6050006), /* PORT6CR */
+	PORTCR(7, 0xe6050007), /* PORT7CR */
+	PORTCR(8, 0xe6050008), /* PORT8CR */
+	PORTCR(9, 0xe6050009), /* PORT9CR */
+
+	PORTCR(10, 0xe605000a), /* PORT10CR */
+	PORTCR(11, 0xe605000b), /* PORT11CR */
+	PORTCR(12, 0xe605000c), /* PORT12CR */
+	PORTCR(13, 0xe605000d), /* PORT13CR */
+	PORTCR(14, 0xe605000e), /* PORT14CR */
+	PORTCR(15, 0xe605000f), /* PORT15CR */
+	PORTCR(16, 0xe6050010), /* PORT16CR */
+	PORTCR(17, 0xe6050011), /* PORT17CR */
+	PORTCR(18, 0xe6050012), /* PORT18CR */
+	PORTCR(19, 0xe6050013), /* PORT19CR */
+
+	PORTCR(20, 0xe6050014), /* PORT20CR */
+	PORTCR(21, 0xe6050015), /* PORT21CR */
+	PORTCR(22, 0xe6050016), /* PORT22CR */
+	PORTCR(23, 0xe6050017), /* PORT23CR */
+	PORTCR(24, 0xe6050018), /* PORT24CR */
+	PORTCR(25, 0xe6050019), /* PORT25CR */
+	PORTCR(26, 0xe605001a), /* PORT26CR */
+	PORTCR(27, 0xe605001b), /* PORT27CR */
+	PORTCR(28, 0xe605001c), /* PORT28CR */
+	PORTCR(29, 0xe605001d), /* PORT29CR */
+
+	PORTCR(30, 0xe605001e), /* PORT30CR */
+	PORTCR(31, 0xe605001f), /* PORT31CR */
+	PORTCR(32, 0xe6050020), /* PORT32CR */
+	PORTCR(33, 0xe6050021), /* PORT33CR */
+	PORTCR(34, 0xe6050022), /* PORT34CR */
+	PORTCR(35, 0xe6050023), /* PORT35CR */
+	PORTCR(36, 0xe6050024), /* PORT36CR */
+	PORTCR(37, 0xe6050025), /* PORT37CR */
+	PORTCR(38, 0xe6050026), /* PORT38CR */
+	PORTCR(39, 0xe6050027), /* PORT39CR */
+
+	PORTCR(40, 0xe6050028), /* PORT40CR */
+	PORTCR(41, 0xe6050029), /* PORT41CR */
+	PORTCR(42, 0xe605002a), /* PORT42CR */
+	PORTCR(43, 0xe605002b), /* PORT43CR */
+	PORTCR(44, 0xe605002c), /* PORT44CR */
+	PORTCR(45, 0xe605002d), /* PORT45CR */
+	PORTCR(46, 0xe605002e), /* PORT46CR */
+	PORTCR(47, 0xe605002f), /* PORT47CR */
+	PORTCR(48, 0xe6050030), /* PORT48CR */
+	PORTCR(49, 0xe6050031), /* PORT49CR */
+
+	PORTCR(50, 0xe6050032), /* PORT50CR */
+	PORTCR(51, 0xe6050033), /* PORT51CR */
+	PORTCR(52, 0xe6050034), /* PORT52CR */
+	PORTCR(53, 0xe6050035), /* PORT53CR */
+	PORTCR(54, 0xe6050036), /* PORT54CR */
+	PORTCR(55, 0xe6050037), /* PORT55CR */
+	PORTCR(56, 0xe6050038), /* PORT56CR */
+	PORTCR(57, 0xe6050039), /* PORT57CR */
+	PORTCR(58, 0xe605003a), /* PORT58CR */
+	PORTCR(59, 0xe605003b), /* PORT59CR */
+
+	PORTCR(60, 0xe605003c), /* PORT60CR */
+	PORTCR(61, 0xe605003d), /* PORT61CR */
+	PORTCR(62, 0xe605003e), /* PORT62CR */
+	PORTCR(63, 0xe605003f), /* PORT63CR */
+	PORTCR(64, 0xe6050040), /* PORT64CR */
+	PORTCR(65, 0xe6050041), /* PORT65CR */
+	PORTCR(66, 0xe6050042), /* PORT66CR */
+	PORTCR(67, 0xe6050043), /* PORT67CR */
+	PORTCR(68, 0xe6050044), /* PORT68CR */
+	PORTCR(69, 0xe6050045), /* PORT69CR */
+
+	PORTCR(70, 0xe6050046), /* PORT70CR */
+	PORTCR(71, 0xe6050047), /* PORT71CR */
+	PORTCR(72, 0xe6050048), /* PORT72CR */
+	PORTCR(73, 0xe6050049), /* PORT73CR */
+	PORTCR(74, 0xe605004a), /* PORT74CR */
+	PORTCR(75, 0xe605004b), /* PORT75CR */
+	PORTCR(76, 0xe605004c), /* PORT76CR */
+	PORTCR(77, 0xe605004d), /* PORT77CR */
+	PORTCR(78, 0xe605004e), /* PORT78CR */
+	PORTCR(79, 0xe605004f), /* PORT79CR */
+
+	PORTCR(80, 0xe6050050), /* PORT80CR */
+	PORTCR(81, 0xe6050051), /* PORT81CR */
+	PORTCR(82, 0xe6050052), /* PORT82CR */
+	PORTCR(83, 0xe6050053), /* PORT83CR */
+	PORTCR(84, 0xe6050054), /* PORT84CR */
+	PORTCR(85, 0xe6050055), /* PORT85CR */
+	PORTCR(86, 0xe6050056), /* PORT86CR */
+	PORTCR(87, 0xe6050057), /* PORT87CR */
+	PORTCR(88, 0xe6051058), /* PORT88CR */
+	PORTCR(89, 0xe6051059), /* PORT89CR */
+
+	PORTCR(90, 0xe605105a), /* PORT90CR */
+	PORTCR(91, 0xe605105b), /* PORT91CR */
+	PORTCR(92, 0xe605105c), /* PORT92CR */
+	PORTCR(93, 0xe605105d), /* PORT93CR */
+	PORTCR(94, 0xe605105e), /* PORT94CR */
+	PORTCR(95, 0xe605105f), /* PORT95CR */
+	PORTCR(96, 0xe6051060), /* PORT96CR */
+	PORTCR(97, 0xe6051061), /* PORT97CR */
+	PORTCR(98, 0xe6051062), /* PORT98CR */
+	PORTCR(99, 0xe6051063), /* PORT99CR */
+
+	PORTCR(100, 0xe6051064), /* PORT100CR */
+	PORTCR(101, 0xe6051065), /* PORT101CR */
+	PORTCR(102, 0xe6051066), /* PORT102CR */
+	PORTCR(103, 0xe6051067), /* PORT103CR */
+	PORTCR(104, 0xe6051068), /* PORT104CR */
+	PORTCR(105, 0xe6051069), /* PORT105CR */
+	PORTCR(106, 0xe605106a), /* PORT106CR */
+	PORTCR(107, 0xe605106b), /* PORT107CR */
+	PORTCR(108, 0xe605106c), /* PORT108CR */
+	PORTCR(109, 0xe605106d), /* PORT109CR */
+
+	PORTCR(110, 0xe605106e), /* PORT110CR */
+	PORTCR(111, 0xe605106f), /* PORT111CR */
+	PORTCR(112, 0xe6051070), /* PORT112CR */
+	PORTCR(113, 0xe6051071), /* PORT113CR */
+	PORTCR(114, 0xe6051072), /* PORT114CR */
+	PORTCR(115, 0xe6051073), /* PORT115CR */
+	PORTCR(116, 0xe6051074), /* PORT116CR */
+	PORTCR(117, 0xe6051075), /* PORT117CR */
+	PORTCR(118, 0xe6051076), /* PORT118CR */
+	PORTCR(119, 0xe6051077), /* PORT119CR */
+
+	PORTCR(120, 0xe6051078), /* PORT120CR */
+	PORTCR(121, 0xe6051079), /* PORT121CR */
+	PORTCR(122, 0xe605107a), /* PORT122CR */
+	PORTCR(123, 0xe605107b), /* PORT123CR */
+	PORTCR(124, 0xe605107c), /* PORT124CR */
+	PORTCR(125, 0xe605107d), /* PORT125CR */
+	PORTCR(126, 0xe605107e), /* PORT126CR */
+	PORTCR(127, 0xe605107f), /* PORT127CR */
+	PORTCR(128, 0xe6051080), /* PORT128CR */
+	PORTCR(129, 0xe6051081), /* PORT129CR */
+
+	PORTCR(130, 0xe6051082), /* PORT130CR */
+	PORTCR(131, 0xe6051083), /* PORT131CR */
+	PORTCR(132, 0xe6051084), /* PORT132CR */
+	PORTCR(133, 0xe6051085), /* PORT133CR */
+	PORTCR(134, 0xe6051086), /* PORT134CR */
+	PORTCR(135, 0xe6051087), /* PORT135CR */
+	PORTCR(136, 0xe6051088), /* PORT136CR */
+	PORTCR(137, 0xe6051089), /* PORT137CR */
+	PORTCR(138, 0xe605108a), /* PORT138CR */
+	PORTCR(139, 0xe605108b), /* PORT139CR */
+
+	PORTCR(140, 0xe605108c), /* PORT140CR */
+	PORTCR(141, 0xe605108d), /* PORT141CR */
+	PORTCR(142, 0xe605108e), /* PORT142CR */
+	PORTCR(143, 0xe605108f), /* PORT143CR */
+	PORTCR(144, 0xe6051090), /* PORT144CR */
+	PORTCR(145, 0xe6051091), /* PORT145CR */
+	PORTCR(146, 0xe6051092), /* PORT146CR */
+	PORTCR(147, 0xe6051093), /* PORT147CR */
+	PORTCR(148, 0xe6051094), /* PORT148CR */
+	PORTCR(149, 0xe6051095), /* PORT149CR */
+
+	PORTCR(150, 0xe6051096), /* PORT150CR */
+	PORTCR(151, 0xe6051097), /* PORT151CR */
+	PORTCR(152, 0xe6051098), /* PORT152CR */
+	PORTCR(153, 0xe6051099), /* PORT153CR */
+	PORTCR(154, 0xe605109a), /* PORT154CR */
+	PORTCR(155, 0xe605109b), /* PORT155CR */
+	PORTCR(156, 0xe605109c), /* PORT156CR */
+	PORTCR(157, 0xe605109d), /* PORT157CR */
+	PORTCR(158, 0xe605109e), /* PORT158CR */
+	PORTCR(159, 0xe605109f), /* PORT159CR */
+
+	PORTCR(160, 0xe60510a0), /* PORT160CR */
+	PORTCR(161, 0xe60510a1), /* PORT161CR */
+	PORTCR(162, 0xe60510a2), /* PORT162CR */
+	PORTCR(163, 0xe60510a3), /* PORT163CR */
+	PORTCR(164, 0xe60510a4), /* PORT164CR */
+	PORTCR(165, 0xe60510a5), /* PORT165CR */
+	PORTCR(166, 0xe60510a6), /* PORT166CR */
+	PORTCR(167, 0xe60510a7), /* PORT167CR */
+	PORTCR(168, 0xe60510a8), /* PORT168CR */
+	PORTCR(169, 0xe60510a9), /* PORT169CR */
+
+	PORTCR(170, 0xe60510aa), /* PORT170CR */
+	PORTCR(171, 0xe60510ab), /* PORT171CR */
+	PORTCR(172, 0xe60510ac), /* PORT172CR */
+	PORTCR(173, 0xe60510ad), /* PORT173CR */
+	PORTCR(174, 0xe60510ae), /* PORT174CR */
+	PORTCR(175, 0xe60520af), /* PORT175CR */
+	PORTCR(176, 0xe60520b0), /* PORT176CR */
+	PORTCR(177, 0xe60520b1), /* PORT177CR */
+	PORTCR(178, 0xe60520b2), /* PORT178CR */
+	PORTCR(179, 0xe60520b3), /* PORT179CR */
+
+	PORTCR(180, 0xe60520b4), /* PORT180CR */
+	PORTCR(181, 0xe60520b5), /* PORT181CR */
+	PORTCR(182, 0xe60520b6), /* PORT182CR */
+	PORTCR(183, 0xe60520b7), /* PORT183CR */
+	PORTCR(184, 0xe60520b8), /* PORT184CR */
+	PORTCR(185, 0xe60520b9), /* PORT185CR */
+	PORTCR(186, 0xe60520ba), /* PORT186CR */
+	PORTCR(187, 0xe60520bb), /* PORT187CR */
+	PORTCR(188, 0xe60520bc), /* PORT188CR */
+	PORTCR(189, 0xe60520bd), /* PORT189CR */
+
+	PORTCR(190, 0xe60520be), /* PORT190CR */
+	PORTCR(191, 0xe60520bf), /* PORT191CR */
+	PORTCR(192, 0xe60520c0), /* PORT192CR */
+	PORTCR(193, 0xe60520c1), /* PORT193CR */
+	PORTCR(194, 0xe60520c2), /* PORT194CR */
+	PORTCR(195, 0xe60520c3), /* PORT195CR */
+	PORTCR(196, 0xe60520c4), /* PORT196CR */
+	PORTCR(197, 0xe60520c5), /* PORT197CR */
+	PORTCR(198, 0xe60520c6), /* PORT198CR */
+	PORTCR(199, 0xe60520c7), /* PORT199CR */
+
+	PORTCR(200, 0xe60520c8), /* PORT200CR */
+	PORTCR(201, 0xe60520c9), /* PORT201CR */
+	PORTCR(202, 0xe60520ca), /* PORT202CR */
+	PORTCR(203, 0xe60520cb), /* PORT203CR */
+	PORTCR(204, 0xe60520cc), /* PORT204CR */
+	PORTCR(205, 0xe60520cd), /* PORT205CR */
+	PORTCR(206, 0xe60520ce), /* PORT206CR */
+	PORTCR(207, 0xe60520cf), /* PORT207CR */
+	PORTCR(208, 0xe60520d0), /* PORT208CR */
+	PORTCR(209, 0xe60520d1), /* PORT209CR */
+
+	PORTCR(210, 0xe60520d2), /* PORT210CR */
+	PORTCR(211, 0xe60520d3), /* PORT211CR */
+	PORTCR(212, 0xe60520d4), /* PORT212CR */
+	PORTCR(213, 0xe60520d5), /* PORT213CR */
+	PORTCR(214, 0xe60520d6), /* PORT214CR */
+	PORTCR(215, 0xe60520d7), /* PORT215CR */
+	PORTCR(216, 0xe60520d8), /* PORT216CR */
+	PORTCR(217, 0xe60520d9), /* PORT217CR */
+	PORTCR(218, 0xe60520da), /* PORT218CR */
+	PORTCR(219, 0xe60520db), /* PORT219CR */
+
+	PORTCR(220, 0xe60520dc), /* PORT220CR */
+	PORTCR(221, 0xe60520dd), /* PORT221CR */
+	PORTCR(222, 0xe60520de), /* PORT222CR */
+	PORTCR(223, 0xe60520df), /* PORT223CR */
+	PORTCR(224, 0xe60520e0), /* PORT224CR */
+	PORTCR(225, 0xe60520e1), /* PORT225CR */
+	PORTCR(226, 0xe60520e2), /* PORT226CR */
+	PORTCR(227, 0xe60520e3), /* PORT227CR */
+	PORTCR(228, 0xe60520e4), /* PORT228CR */
+	PORTCR(229, 0xe60520e5), /* PORT229CR */
+
+	PORTCR(230, 0xe60520e6), /* PORT230CR */
+	PORTCR(231, 0xe60520e7), /* PORT231CR */
+	PORTCR(232, 0xe60520e8), /* PORT232CR */
+	PORTCR(233, 0xe60520e9), /* PORT233CR */
+	PORTCR(234, 0xe60520ea), /* PORT234CR */
+	PORTCR(235, 0xe60520eb), /* PORT235CR */
+	PORTCR(236, 0xe60530ec), /* PORT236CR */
+	PORTCR(237, 0xe60530ed), /* PORT237CR */
+	PORTCR(238, 0xe60530ee), /* PORT238CR */
+	PORTCR(239, 0xe60530ef), /* PORT239CR */
+
+	PORTCR(240, 0xe60530f0), /* PORT240CR */
+	PORTCR(241, 0xe60530f1), /* PORT241CR */
+	PORTCR(242, 0xe60530f2), /* PORT242CR */
+	PORTCR(243, 0xe60530f3), /* PORT243CR */
+	PORTCR(244, 0xe60530f4), /* PORT244CR */
+	PORTCR(245, 0xe60530f5), /* PORT245CR */
+	PORTCR(246, 0xe60530f6), /* PORT246CR */
+	PORTCR(247, 0xe60530f7), /* PORT247CR */
+	PORTCR(248, 0xe60530f8), /* PORT248CR */
+	PORTCR(249, 0xe60530f9), /* PORT249CR */
+
+	PORTCR(250, 0xe60530fa), /* PORT250CR */
+	PORTCR(251, 0xe60530fb), /* PORT251CR */
+	PORTCR(252, 0xe60530fc), /* PORT252CR */
+	PORTCR(253, 0xe60530fd), /* PORT253CR */
+	PORTCR(254, 0xe60530fe), /* PORT254CR */
+	PORTCR(255, 0xe60530ff), /* PORT255CR */
+	PORTCR(256, 0xe6053100), /* PORT256CR */
+	PORTCR(257, 0xe6053101), /* PORT257CR */
+	PORTCR(258, 0xe6053102), /* PORT258CR */
+	PORTCR(259, 0xe6053103), /* PORT259CR */
+
+	PORTCR(260, 0xe6053104), /* PORT260CR */
+	PORTCR(261, 0xe6053105), /* PORT261CR */
+	PORTCR(262, 0xe6053106), /* PORT262CR */
+	PORTCR(263, 0xe6053107), /* PORT263CR */
+	PORTCR(264, 0xe6053108), /* PORT264CR */
+	PORTCR(265, 0xe6053109), /* PORT265CR */
+	PORTCR(266, 0xe605310a), /* PORT266CR */
+	PORTCR(267, 0xe605310b), /* PORT267CR */
+	PORTCR(268, 0xe605310c), /* PORT268CR */
+	PORTCR(269, 0xe605310d), /* PORT269CR */
+
+	PORTCR(270, 0xe605310e), /* PORT270CR */
+	PORTCR(271, 0xe605310f), /* PORT271CR */
+	PORTCR(272, 0xe6053110), /* PORT272CR */
+
+	{ PINMUX_CFG_REG("MSELBCR", 0xe6058024, 32, 1) {
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		0, 0,
+		MSELBCR_MSEL2_0, MSELBCR_MSEL2_1,
+		0, 0,
+		0, 0 }
+	},
+	{ },
+};
+
+static struct pinmux_data_reg pinmux_data_regs[] = {
+	{ PINMUX_DATA_REG("PORTL031_000DR", 0xe6054000, 32) {
+		PORT31_DATA, PORT30_DATA, PORT29_DATA, PORT28_DATA,
+		PORT27_DATA, PORT26_DATA, PORT25_DATA, PORT24_DATA,
+		PORT23_DATA, PORT22_DATA, PORT21_DATA, PORT20_DATA,
+		PORT19_DATA, PORT18_DATA, PORT17_DATA, PORT16_DATA,
+		PORT15_DATA, PORT14_DATA, PORT13_DATA, PORT12_DATA,
+		PORT11_DATA, PORT10_DATA, PORT9_DATA, PORT8_DATA,
+		PORT7_DATA, PORT6_DATA, PORT5_DATA, PORT4_DATA,
+		PORT3_DATA, PORT2_DATA, PORT1_DATA, PORT0_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTL063_032DR", 0xe6054004, 32) {
+		PORT63_DATA, PORT62_DATA, PORT61_DATA, PORT60_DATA,
+		PORT59_DATA, PORT58_DATA, PORT57_DATA, PORT56_DATA,
+		PORT55_DATA, PORT54_DATA, PORT53_DATA, PORT52_DATA,
+		PORT51_DATA, PORT50_DATA, PORT49_DATA, PORT48_DATA,
+		PORT47_DATA, PORT46_DATA, PORT45_DATA, PORT44_DATA,
+		PORT43_DATA, PORT42_DATA, PORT41_DATA, PORT40_DATA,
+		PORT39_DATA, PORT38_DATA, PORT37_DATA, PORT36_DATA,
+		PORT35_DATA, PORT34_DATA, PORT33_DATA, PORT32_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTL095_064DR", 0xe6054008, 32) {
+		PORT95_DATA, PORT94_DATA, PORT93_DATA, PORT92_DATA,
+		PORT91_DATA, PORT90_DATA, PORT89_DATA, PORT88_DATA,
+		PORT87_DATA, PORT86_DATA, PORT85_DATA, PORT84_DATA,
+		PORT83_DATA, PORT82_DATA, PORT81_DATA, PORT80_DATA,
+		PORT79_DATA, PORT78_DATA, PORT77_DATA, PORT76_DATA,
+		PORT75_DATA, PORT74_DATA, PORT73_DATA, PORT72_DATA,
+		PORT71_DATA, PORT70_DATA, PORT69_DATA, PORT68_DATA,
+		PORT67_DATA, PORT66_DATA, PORT65_DATA, PORT64_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTD127_096DR", 0xe6055004, 32) {
+		PORT127_DATA, PORT126_DATA, PORT125_DATA, PORT124_DATA,
+		PORT123_DATA, PORT122_DATA, PORT121_DATA, PORT120_DATA,
+		PORT119_DATA, PORT118_DATA, PORT117_DATA, PORT116_DATA,
+		PORT115_DATA, PORT114_DATA, PORT113_DATA, PORT112_DATA,
+		PORT111_DATA, PORT110_DATA, PORT109_DATA, PORT108_DATA,
+		PORT107_DATA, PORT106_DATA, PORT105_DATA, PORT104_DATA,
+		PORT103_DATA, PORT102_DATA, PORT101_DATA, PORT100_DATA,
+		PORT99_DATA, PORT98_DATA, PORT97_DATA, PORT96_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTD159_128DR", 0xe6055008, 32) {
+		PORT159_DATA, PORT158_DATA, PORT157_DATA, PORT156_DATA,
+		PORT155_DATA, PORT154_DATA, PORT153_DATA, PORT152_DATA,
+		PORT151_DATA, PORT150_DATA, PORT149_DATA, PORT148_DATA,
+		PORT147_DATA, PORT146_DATA, PORT145_DATA, PORT144_DATA,
+		PORT143_DATA, PORT142_DATA, PORT141_DATA, PORT140_DATA,
+		PORT139_DATA, PORT138_DATA, PORT137_DATA, PORT136_DATA,
+		PORT135_DATA, PORT134_DATA, PORT133_DATA, PORT132_DATA,
+		PORT131_DATA, PORT130_DATA, PORT129_DATA, PORT128_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTR191_160DR", 0xe6056000, 32) {
+		PORT191_DATA, PORT190_DATA, PORT189_DATA, PORT188_DATA,
+		PORT187_DATA, PORT186_DATA, PORT185_DATA, PORT184_DATA,
+		PORT183_DATA, PORT182_DATA, PORT181_DATA, PORT180_DATA,
+		PORT179_DATA, PORT178_DATA, PORT177_DATA, PORT176_DATA,
+		PORT175_DATA, PORT174_DATA, PORT173_DATA, PORT172_DATA,
+		PORT171_DATA, PORT170_DATA, PORT169_DATA, PORT168_DATA,
+		PORT167_DATA, PORT166_DATA, PORT165_DATA, PORT164_DATA,
+		PORT163_DATA, PORT162_DATA, PORT161_DATA, PORT160_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTR223_192DR", 0xe6056004, 32) {
+		PORT223_DATA, PORT222_DATA, PORT221_DATA, PORT220_DATA,
+		PORT219_DATA, PORT218_DATA, PORT217_DATA, PORT216_DATA,
+		PORT215_DATA, PORT214_DATA, PORT213_DATA, PORT212_DATA,
+		PORT211_DATA, PORT210_DATA, PORT209_DATA, PORT208_DATA,
+		PORT207_DATA, PORT206_DATA, PORT205_DATA, PORT204_DATA,
+		PORT203_DATA, PORT202_DATA, PORT201_DATA, PORT200_DATA,
+		PORT199_DATA, PORT198_DATA, PORT197_DATA, PORT196_DATA,
+		PORT195_DATA, PORT194_DATA, PORT193_DATA, PORT192_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTU255_224DR", 0xe6057000, 32) {
+		PORT255_DATA, PORT254_DATA, PORT253_DATA, PORT252_DATA,
+		PORT251_DATA, PORT250_DATA, PORT249_DATA, PORT248_DATA,
+		PORT247_DATA, PORT246_DATA, PORT245_DATA, PORT244_DATA,
+		PORT243_DATA, PORT242_DATA, PORT241_DATA, PORT240_DATA,
+		PORT239_DATA, PORT238_DATA, PORT237_DATA, PORT236_DATA,
+		PORT235_DATA, PORT234_DATA, PORT233_DATA, PORT232_DATA,
+		PORT231_DATA, PORT230_DATA, PORT229_DATA, PORT228_DATA,
+		PORT227_DATA, PORT226_DATA, PORT225_DATA, PORT224_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTU287_256DR", 0xe6057004, 32) {
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, 0,
+		0, 0, 0, PORT272_DATA,
+		PORT271_DATA, PORT270_DATA, PORT269_DATA, PORT268_DATA,
+		PORT267_DATA, PORT266_DATA, PORT265_DATA, PORT264_DATA,
+		PORT263_DATA, PORT262_DATA, PORT261_DATA, PORT260_DATA,
+		PORT259_DATA, PORT258_DATA, PORT257_DATA, PORT256_DATA }
+	},
+	{ },
+};
+
+static struct pinmux_info sh7367_pinmux_info = {
+	.name = "sh7367_pfc",
+	.reserved_id = PINMUX_RESERVED,
+	.data = { PINMUX_DATA_BEGIN, PINMUX_DATA_END },
+	.input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END },
+	.input_pu = { PINMUX_INPUT_PULLUP_BEGIN, PINMUX_INPUT_PULLUP_END },
+	.input_pd = { PINMUX_INPUT_PULLDOWN_BEGIN, PINMUX_INPUT_PULLDOWN_END },
+	.output = { PINMUX_OUTPUT_BEGIN, PINMUX_OUTPUT_END },
+	.mark = { PINMUX_MARK_BEGIN, PINMUX_MARK_END },
+	.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
+
+	.first_gpio = GPIO_PORT0,
+	.last_gpio = GPIO_FN_DIVLOCK,
+
+	.gpios = pinmux_gpios,
+	.cfg_regs = pinmux_config_regs,
+	.data_regs = pinmux_data_regs,
+
+	.gpio_data = pinmux_data,
+	.gpio_data_size = ARRAY_SIZE(pinmux_data),
+};
+
+void sh7367_pinmux_init(void)
+{
+	register_pinmux(&sh7367_pinmux_info);
+}
diff --git a/arch/arm/mach-shmobile/pfc-sh7372.c b/arch/arm/mach-shmobile/pfc-sh7372.c
new file mode 100644
index 000000000000..9557d0964d73
--- /dev/null
+++ b/arch/arm/mach-shmobile/pfc-sh7372.c
@@ -0,0 +1,1637 @@
+/*
+ * sh7372 processor support - PFC hardware block
+ *
+ * Copyright (C) 2010  Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * Based on
+ * sh7367 processor support - PFC hardware block
+ * Copyright (C) 2010  Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <mach/sh7372.h>
+
+#define _1(fn, pfx, sfx) fn(pfx, sfx)
+
+#define _10(fn, pfx, sfx)				\
+	_1(fn, pfx##0, sfx), _1(fn, pfx##1, sfx),	\
+	_1(fn, pfx##2, sfx), _1(fn, pfx##3, sfx),	\
+	_1(fn, pfx##4, sfx), _1(fn, pfx##5, sfx),	\
+	_1(fn, pfx##6, sfx), _1(fn, pfx##7, sfx),	\
+	_1(fn, pfx##8, sfx), _1(fn, pfx##9, sfx)
+
+#define _80(fn, pfx, sfx)				\
+	_10(fn, pfx##1, sfx),	_10(fn, pfx##2, sfx),	\
+	_10(fn, pfx##3, sfx),	_10(fn, pfx##4, sfx),	\
+	_10(fn, pfx##5, sfx),	_10(fn, pfx##6, sfx),	\
+	_10(fn, pfx##7, sfx),	_10(fn, pfx##8, sfx)
+
+#define _190(fn, pfx, sfx) \
+	_10(fn, pfx, sfx), _80(fn, pfx, sfx), _10(fn, pfx##9, sfx), \
+	_10(fn, pfx##10, sfx), _80(fn, pfx##1, sfx), _1(fn, pfx##190, sfx)
+
+#define _PORT(pfx, sfx) pfx##_##sfx
+#define PORT_ALL(str) _190(_PORT, PORT, str)
+
+enum {
+	PINMUX_RESERVED = 0,
+
+	/* PORT0_DATA -> PORT190_DATA */
+	PINMUX_DATA_BEGIN,
+	PORT_ALL(DATA),
+	PINMUX_DATA_END,
+
+	/* PORT0_IN -> PORT190_IN */
+	PINMUX_INPUT_BEGIN,
+	PORT_ALL(IN),
+	PINMUX_INPUT_END,
+
+	/* PORT0_IN_PU -> PORT190_IN_PU */
+	PINMUX_INPUT_PULLUP_BEGIN,
+	PORT_ALL(IN_PU),
+	PINMUX_INPUT_PULLUP_END,
+
+	/* PORT0_IN_PD -> PORT190_IN_PD */
+	PINMUX_INPUT_PULLDOWN_BEGIN,
+	PORT_ALL(IN_PD),
+	PINMUX_INPUT_PULLDOWN_END,
+
+	/* PORT0_OUT -> PORT190_OUT */
+	PINMUX_OUTPUT_BEGIN,
+	PORT_ALL(OUT),
+	PINMUX_OUTPUT_END,
+
+	PINMUX_FUNCTION_BEGIN,
+	PORT_ALL(FN_IN),	/* PORT0_FN_IN	-> PORT190_FN_IN */
+	PORT_ALL(FN_OUT),	/* PORT0_FN_OUT	-> PORT190_FN_OUT */
+	PORT_ALL(FN0),		/* PORT0_FN0	-> PORT190_FN0 */
+	PORT_ALL(FN1),		/* PORT0_FN1	-> PORT190_FN1 */
+	PORT_ALL(FN2),		/* PORT0_FN2	-> PORT190_FN2 */
+	PORT_ALL(FN3),		/* PORT0_FN3	-> PORT190_FN3 */
+	PORT_ALL(FN4),		/* PORT0_FN4	-> PORT190_FN4 */
+	PORT_ALL(FN5),		/* PORT0_FN5	-> PORT190_FN5 */
+	PORT_ALL(FN6),		/* PORT0_FN6	-> PORT190_FN6 */
+	PORT_ALL(FN7),		/* PORT0_FN7	-> PORT190_FN7 */
+
+	MSEL1CR_31_0,	MSEL1CR_31_1,
+	MSEL1CR_30_0,	MSEL1CR_30_1,
+	MSEL1CR_29_0,	MSEL1CR_29_1,
+	MSEL1CR_28_0,	MSEL1CR_28_1,
+	MSEL1CR_27_0,	MSEL1CR_27_1,
+	MSEL1CR_26_0,	MSEL1CR_26_1,
+	MSEL1CR_16_0,	MSEL1CR_16_1,
+	MSEL1CR_15_0,	MSEL1CR_15_1,
+	MSEL1CR_14_0,	MSEL1CR_14_1,
+	MSEL1CR_13_0,	MSEL1CR_13_1,
+	MSEL1CR_12_0,	MSEL1CR_12_1,
+	MSEL1CR_9_0,	MSEL1CR_9_1,
+	MSEL1CR_8_0,	MSEL1CR_8_1,
+	MSEL1CR_7_0,	MSEL1CR_7_1,
+	MSEL1CR_6_0,	MSEL1CR_6_1,
+	MSEL1CR_4_0,	MSEL1CR_4_1,
+	MSEL1CR_3_0,	MSEL1CR_3_1,
+	MSEL1CR_2_0,	MSEL1CR_2_1,
+	MSEL1CR_0_0,	MSEL1CR_0_1,
+
+	MSEL3CR_27_0,	MSEL3CR_27_1,
+	MSEL3CR_26_0,	MSEL3CR_26_1,
+	MSEL3CR_21_0,	MSEL3CR_21_1,
+	MSEL3CR_20_0,	MSEL3CR_20_1,
+	MSEL3CR_15_0,	MSEL3CR_15_1,
+	MSEL3CR_9_0,	MSEL3CR_9_1,
+	MSEL3CR_6_0,	MSEL3CR_6_1,
+
+	MSEL4CR_19_0,	MSEL4CR_19_1,
+	MSEL4CR_18_0,	MSEL4CR_18_1,
+	MSEL4CR_17_0,	MSEL4CR_17_1,
+	MSEL4CR_16_0,	MSEL4CR_16_1,
+	MSEL4CR_15_0,	MSEL4CR_15_1,
+	MSEL4CR_14_0,	MSEL4CR_14_1,
+	MSEL4CR_10_0,	MSEL4CR_10_1,
+	MSEL4CR_6_0,	MSEL4CR_6_1,
+	MSEL4CR_4_0,	MSEL4CR_4_1,
+	MSEL4CR_1_0,	MSEL4CR_1_1,
+	PINMUX_FUNCTION_END,
+
+	PINMUX_MARK_BEGIN,
+
+	/* IRQ */
+	IRQ0_6_MARK,	IRQ0_162_MARK,	IRQ1_MARK,	IRQ2_4_MARK,
+	IRQ2_5_MARK,	IRQ3_8_MARK,	IRQ3_16_MARK,	IRQ4_17_MARK,
+	IRQ4_163_MARK,	IRQ5_MARK,	IRQ6_39_MARK,	IRQ6_164_MARK,
+	IRQ7_40_MARK,	IRQ7_167_MARK,	IRQ8_41_MARK,	IRQ8_168_MARK,
+	IRQ9_42_MARK,	IRQ9_169_MARK,	IRQ10_MARK,	IRQ11_MARK,
+	IRQ12_80_MARK,	IRQ12_137_MARK,	IRQ13_81_MARK,	IRQ13_145_MARK,
+	IRQ14_82_MARK,	IRQ14_146_MARK,	IRQ15_83_MARK,	IRQ15_147_MARK,
+	IRQ16_84_MARK,	IRQ16_170_MARK,	IRQ17_MARK,	IRQ18_MARK,
+	IRQ19_MARK,	IRQ20_MARK,	IRQ21_MARK,	IRQ22_MARK,
+	IRQ23_MARK,	IRQ24_MARK,	IRQ25_MARK,	IRQ26_121_MARK,
+	IRQ26_172_MARK,	IRQ27_122_MARK,	IRQ27_180_MARK,	IRQ28_123_MARK,
+	IRQ28_181_MARK,	IRQ29_129_MARK,	IRQ29_182_MARK,	IRQ30_130_MARK,
+	IRQ30_183_MARK,	IRQ31_138_MARK,	IRQ31_184_MARK,
+
+	/* MSIOF0 */
+	MSIOF0_TSYNC_MARK,	MSIOF0_TSCK_MARK,	MSIOF0_RXD_MARK,
+	MSIOF0_RSCK_MARK,	MSIOF0_RSYNC_MARK,	MSIOF0_MCK0_MARK,
+	MSIOF0_MCK1_MARK,	MSIOF0_SS1_MARK,	MSIOF0_SS2_MARK,
+	MSIOF0_TXD_MARK,
+
+	/* MSIOF1 */
+	MSIOF1_TSCK_39_MARK,	MSIOF1_TSYNC_40_MARK,
+	MSIOF1_TSCK_88_MARK,	MSIOF1_TSYNC_89_MARK,
+	MSIOF1_TXD_41_MARK,	MSIOF1_RXD_42_MARK,
+	MSIOF1_TXD_90_MARK,	MSIOF1_RXD_91_MARK,
+	MSIOF1_SS1_43_MARK,	MSIOF1_SS2_44_MARK,
+	MSIOF1_SS1_92_MARK,	MSIOF1_SS2_93_MARK,
+	MSIOF1_RSCK_MARK,	MSIOF1_RSYNC_MARK,
+	MSIOF1_MCK0_MARK,	MSIOF1_MCK1_MARK,
+
+	/* MSIOF2 */
+	MSIOF2_RSCK_MARK,	MSIOF2_RSYNC_MARK,	MSIOF2_MCK0_MARK,
+	MSIOF2_MCK1_MARK,	MSIOF2_SS1_MARK,	MSIOF2_SS2_MARK,
+	MSIOF2_TSYNC_MARK,	MSIOF2_TSCK_MARK,	MSIOF2_RXD_MARK,
+	MSIOF2_TXD_MARK,
+
+	/* MSIOF3 */
+	BBIF1_RXD_MARK,		BBIF1_TSYNC_MARK,	BBIF1_TSCK_MARK,
+	BBIF1_TXD_MARK,		BBIF1_RSCK_MARK,	BBIF1_RSYNC_MARK,
+	BBIF1_FLOW_MARK,	BB_RX_FLOW_N_MARK,
+
+	/* MSIOF4 */
+	BBIF2_TSCK1_MARK,	BBIF2_TSYNC1_MARK,
+	BBIF2_TXD1_MARK,	BBIF2_RXD_MARK,
+
+	/* FSI */
+	FSIACK_MARK,	FSIBCK_MARK,		FSIAILR_MARK,	FSIAIBT_MARK,
+	FSIAISLD_MARK,	FSIAOMC_MARK,		FSIAOLR_MARK,	FSIAOBT_MARK,
+	FSIAOSLD_MARK,	FSIASPDIF_11_MARK,	FSIASPDIF_15_MARK,
+
+	/* FMSI */
+	FMSOCK_MARK,	FMSOOLR_MARK,	FMSIOLR_MARK,	FMSOOBT_MARK,
+	FMSIOBT_MARK,	FMSOSLD_MARK,	FMSOILR_MARK,	FMSIILR_MARK,
+	FMSOIBT_MARK,	FMSIIBT_MARK,	FMSISLD_MARK,	FMSICK_MARK,
+
+	/* SCIFA0 */
+	SCIFA0_TXD_MARK,	SCIFA0_RXD_MARK,	SCIFA0_SCK_MARK,
+	SCIFA0_RTS_MARK,	SCIFA0_CTS_MARK,
+
+	/* SCIFA1 */
+	SCIFA1_TXD_MARK,	SCIFA1_RXD_MARK,	SCIFA1_SCK_MARK,
+	SCIFA1_RTS_MARK,	SCIFA1_CTS_MARK,
+
+	/* SCIFA2 */
+	SCIFA2_CTS1_MARK,	SCIFA2_RTS1_MARK,	SCIFA2_TXD1_MARK,
+	SCIFA2_RXD1_MARK,	SCIFA2_SCK1_MARK,
+
+	/* SCIFA3 */
+	SCIFA3_CTS_43_MARK,	SCIFA3_CTS_140_MARK,	SCIFA3_RTS_44_MARK,
+	SCIFA3_RTS_141_MARK,	SCIFA3_SCK_MARK,	SCIFA3_TXD_MARK,
+	SCIFA3_RXD_MARK,
+
+	/* SCIFA4 */
+	SCIFA4_RXD_MARK,	SCIFA4_TXD_MARK,
+
+	/* SCIFA5 */
+	SCIFA5_RXD_MARK,	SCIFA5_TXD_MARK,
+
+	/* SCIFB */
+	SCIFB_SCK_MARK,	SCIFB_RTS_MARK,	SCIFB_CTS_MARK,
+	SCIFB_TXD_MARK,	SCIFB_RXD_MARK,
+
+	/* CEU */
+	VIO_HD_MARK,	VIO_CKO1_MARK,	VIO_CKO2_MARK,	VIO_VD_MARK,
+	VIO_CLK_MARK,	VIO_FIELD_MARK,	VIO_CKO_MARK,
+	VIO_D0_MARK,	VIO_D1_MARK,	VIO_D2_MARK,	VIO_D3_MARK,
+	VIO_D4_MARK,	VIO_D5_MARK,	VIO_D6_MARK,	VIO_D7_MARK,
+	VIO_D8_MARK,	VIO_D9_MARK,	VIO_D10_MARK,	VIO_D11_MARK,
+	VIO_D12_MARK,	VIO_D13_MARK,	VIO_D14_MARK,	VIO_D15_MARK,
+
+	/* USB0 */
+	IDIN_0_MARK,	EXTLP_0_MARK,	OVCN2_0_MARK,	PWEN_0_MARK,
+	OVCN_0_MARK,	VBUS0_0_MARK,
+
+	/* USB1 */
+	IDIN_1_18_MARK,		IDIN_1_113_MARK,
+	PWEN_1_115_MARK,	PWEN_1_138_MARK,
+	OVCN_1_114_MARK,	OVCN_1_162_MARK,
+	EXTLP_1_MARK,		OVCN2_1_MARK,
+	VBUS0_1_MARK,
+
+	/* GPIO */
+	GPI0_MARK,	GPI1_MARK,	GPO0_MARK,	GPO1_MARK,
+
+	/* BSC */
+	BS_MARK,	WE1_MARK,
+	CKO_MARK,	WAIT_MARK,	RDWR_MARK,
+
+	A0_MARK,	A1_MARK,	A2_MARK,	A3_MARK,
+	A6_MARK,	A7_MARK,	A8_MARK,	A9_MARK,
+	A10_MARK,	A11_MARK,	A12_MARK,	A13_MARK,
+	A14_MARK,	A15_MARK,	A16_MARK,	A17_MARK,
+	A18_MARK,	A19_MARK,	A20_MARK,	A21_MARK,
+	A22_MARK,	A23_MARK,	A24_MARK,	A25_MARK,
+	A26_MARK,
+
+	CS0_MARK,	CS2_MARK,	CS4_MARK,
+	CS5A_MARK,	CS5B_MARK,	CS6A_MARK,
+
+	/* BSC/FLCTL */
+	RD_FSC_MARK,	WE0_FWE_MARK,	A4_FOE_MARK,	A5_FCDE_MARK,
+	D0_NAF0_MARK,	D1_NAF1_MARK,	D2_NAF2_MARK,	D3_NAF3_MARK,
+	D4_NAF4_MARK,	D5_NAF5_MARK,	D6_NAF6_MARK,	D7_NAF7_MARK,
+	D8_NAF8_MARK,	D9_NAF9_MARK,	D10_NAF10_MARK,	D11_NAF11_MARK,
+	D12_NAF12_MARK,	D13_NAF13_MARK,	D14_NAF14_MARK,	D15_NAF15_MARK,
+
+	/* MMCIF(1) */
+	MMCD0_0_MARK,	MMCD0_1_MARK,	MMCD0_2_MARK,	MMCD0_3_MARK,
+	MMCD0_4_MARK,	MMCD0_5_MARK,	MMCD0_6_MARK,	MMCD0_7_MARK,
+	MMCCMD0_MARK,	MMCCLK0_MARK,
+
+	/* MMCIF(2) */
+	MMCD1_0_MARK,	MMCD1_1_MARK,	MMCD1_2_MARK,	MMCD1_3_MARK,
+	MMCD1_4_MARK,	MMCD1_5_MARK,	MMCD1_6_MARK,	MMCD1_7_MARK,
+	MMCCLK1_MARK,	MMCCMD1_MARK,
+
+	/* SPU2 */
+	VINT_I_MARK,
+
+	/* FLCTL */
+	FCE1_MARK,	FCE0_MARK,	FRB_MARK,
+
+	/* HSI */
+	GP_RX_FLAG_MARK,	GP_RX_DATA_MARK,	GP_TX_READY_MARK,
+	GP_RX_WAKE_MARK,	MP_TX_FLAG_MARK,	MP_TX_DATA_MARK,
+	MP_RX_READY_MARK,	MP_TX_WAKE_MARK,
+
+	/* MFI */
+	MFIv6_MARK,
+	MFIv4_MARK,
+
+	MEMC_CS0_MARK,			MEMC_BUSCLK_MEMC_A0_MARK,
+	MEMC_CS1_MEMC_A1_MARK,		MEMC_ADV_MEMC_DREQ0_MARK,
+	MEMC_WAIT_MEMC_DREQ1_MARK,	MEMC_NOE_MARK,
+	MEMC_NWE_MARK,			MEMC_INT_MARK,
+
+	MEMC_AD0_MARK,	MEMC_AD1_MARK,	MEMC_AD2_MARK,
+	MEMC_AD3_MARK,	MEMC_AD4_MARK,	MEMC_AD5_MARK,
+	MEMC_AD6_MARK,	MEMC_AD7_MARK,	MEMC_AD8_MARK,
+	MEMC_AD9_MARK,	MEMC_AD10_MARK,	MEMC_AD11_MARK,
+	MEMC_AD12_MARK,	MEMC_AD13_MARK,	MEMC_AD14_MARK,
+	MEMC_AD15_MARK,
+
+	/* SIM */
+	SIM_RST_MARK,	SIM_CLK_MARK,	SIM_D_MARK,
+
+	/* TPU */
+	TPU0TO0_MARK,		TPU0TO1_MARK,
+	TPU0TO2_93_MARK,	TPU0TO2_99_MARK,
+	TPU0TO3_MARK,
+
+	/* I2C2 */
+	I2C_SCL2_MARK,	I2C_SDA2_MARK,
+
+	/* I2C3(1) */
+	I2C_SCL3_MARK,	I2C_SDA3_MARK,
+
+	/* I2C3(2) */
+	I2C_SCL3S_MARK,	I2C_SDA3S_MARK,
+
+	/* I2C4(2) */
+	I2C_SCL4_MARK,	I2C_SDA4_MARK,
+
+	/* I2C4(2) */
+	I2C_SCL4S_MARK,	I2C_SDA4S_MARK,
+
+	/* KEYSC */
+	KEYOUT0_MARK,	KEYIN0_121_MARK,	KEYIN0_136_MARK,
+	KEYOUT1_MARK,	KEYIN1_122_MARK,	KEYIN1_135_MARK,
+	KEYOUT2_MARK,	KEYIN2_123_MARK,	KEYIN2_134_MARK,
+	KEYOUT3_MARK,	KEYIN3_124_MARK,	KEYIN3_133_MARK,
+	KEYOUT4_MARK,	KEYIN4_MARK,
+	KEYOUT5_MARK,	KEYIN5_MARK,
+	KEYOUT6_MARK,	KEYIN6_MARK,
+	KEYOUT7_MARK,	KEYIN7_MARK,
+
+	/* LCDC */
+	LCDC0_SELECT_MARK,
+	LCDC1_SELECT_MARK,
+	LCDHSYN_MARK,	LCDCS_MARK,	LCDVSYN_MARK,	LCDDCK_MARK,
+	LCDWR_MARK,	LCDRD_MARK,	LCDDISP_MARK,	LCDRS_MARK,
+	LCDLCLK_MARK,	LCDDON_MARK,
+
+	LCDD0_MARK,	LCDD1_MARK,	LCDD2_MARK,	LCDD3_MARK,
+	LCDD4_MARK,	LCDD5_MARK,	LCDD6_MARK,	LCDD7_MARK,
+	LCDD8_MARK,	LCDD9_MARK,	LCDD10_MARK,	LCDD11_MARK,
+	LCDD12_MARK,	LCDD13_MARK,	LCDD14_MARK,	LCDD15_MARK,
+	LCDD16_MARK,	LCDD17_MARK,	LCDD18_MARK,	LCDD19_MARK,
+	LCDD20_MARK,	LCDD21_MARK,	LCDD22_MARK,	LCDD23_MARK,
+
+	/* IRDA */
+	IRDA_OUT_MARK,	IRDA_IN_MARK,	IRDA_FIRSEL_MARK,
+	IROUT_139_MARK,	IROUT_140_MARK,
+
+	/* TSIF1 */
+	TS0_1SELECT_MARK,
+	TS0_2SELECT_MARK,
+	TS1_1SELECT_MARK,
+	TS1_2SELECT_MARK,
+
+	TS_SPSYNC1_MARK,	TS_SDAT1_MARK,
+	TS_SDEN1_MARK,		TS_SCK1_MARK,
+
+	/* TSIF2 */
+	TS_SPSYNC2_MARK,	TS_SDAT2_MARK,
+	TS_SDEN2_MARK,		TS_SCK2_MARK,
+
+	/* HDMI */
+	HDMI_HPD_MARK,	HDMI_CEC_MARK,
+
+	/* SDHI0 */
+	SDHICLK0_MARK,	SDHICD0_MARK,
+	SDHICMD0_MARK,	SDHIWP0_MARK,
+	SDHID0_0_MARK,	SDHID0_1_MARK,
+	SDHID0_2_MARK,	SDHID0_3_MARK,
+
+	/* SDHI1 */
+	SDHICLK1_MARK,	SDHICMD1_MARK,	SDHID1_0_MARK,
+	SDHID1_1_MARK,	SDHID1_2_MARK,	SDHID1_3_MARK,
+
+	/* SDHI2 */
+	SDHICLK2_MARK,	SDHICMD2_MARK,	SDHID2_0_MARK,
+	SDHID2_1_MARK,	SDHID2_2_MARK,	SDHID2_3_MARK,
+
+	/* SDENC */
+	SDENC_CPG_MARK,
+	SDENC_DV_CLKI_MARK,
+
+	PINMUX_MARK_END,
+};
+
+/* PORT_DATA_I_PD(nr) */
+#define _I___D(nr)			     \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
+		    PORT##nr##_IN, PORT##nr##_IN_PD)
+
+/* PORT_DATA_I_PU(nr) */
+#define _I__U_(nr)			     \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
+		    PORT##nr##_IN, PORT##nr##_IN_PU)
+
+/* PORT_DATA_I_PU_PD(nr) */
+#define _I__UD(nr)			     \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, \
+		    PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
+
+/* PORT_DATA_O(nr) */
+#define __O___(nr)							\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT)
+
+/* PORT_DATA_IO(nr) */
+#define _IO___(nr)				     \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
+		    PORT##nr##_IN)
+
+/* PORT_DATA_IO_PD(nr) */
+#define _IO__D(nr)					     \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
+		    PORT##nr##_IN, PORT##nr##_IN_PD)
+
+/* PORT_DATA_IO_PU(nr) */
+#define _IO_U_(nr)					     \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
+		    PORT##nr##_IN, PORT##nr##_IN_PU)
+
+/* PORT_DATA_IO_PU_PD(nr) */
+#define _IO_UD(nr)					     \
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_OUT, \
+		    PORT##nr##_IN, PORT##nr##_IN_PD, PORT##nr##_IN_PU)
+
+
+static pinmux_enum_t pinmux_data[] = {
+
+	/* specify valid pin states for each pin in GPIO mode */
+
+	_IO__D(0), _IO__D(1), __O___(2), _I___D(3), _I___D(4),
+	_I___D(5), _IO_UD(6), _I___D(7), _IO__D(8), __O___(9),
+
+	__O___(10), __O___(11), _IO_UD(12), _IO__D(13), _IO__D(14),
+	__O___(15), _IO__D(16), _IO__D(17), _I___D(18), _IO___(19),
+
+	_IO___(20), _IO___(21), _IO___(22), _IO___(23), _IO___(24),
+	_IO___(25), _IO___(26), _IO___(27), _IO___(28), _IO___(29),
+
+	_IO___(30), _IO___(31), _IO___(32), _IO___(33), _IO___(34),
+	_IO___(35), _IO___(36), _IO___(37), _IO___(38), _IO___(39),
+
+	_IO___(40), _IO___(41), _IO___(42), _IO___(43), _IO___(44),
+	_IO___(45), _IO_U_(46), _IO_U_(47), _IO_U_(48), _IO_U_(49),
+
+	_IO_U_(50), _IO_U_(51), _IO_U_(52), _IO_U_(53), _IO_U_(54),
+	_IO_U_(55), _IO_U_(56), _IO_U_(57), _IO_U_(58), _IO_U_(59),
+
+	_IO_U_(60), _IO_U_(61), _IO___(62), __O___(63), __O___(64),
+	_IO_U_(65), __O___(66), _IO_U_(67), __O___(68), _IO___(69), /*66?*/
+
+	_IO___(70), _IO___(71), __O___(72), _I__U_(73), _I__UD(74),
+	_IO_UD(75), _IO_UD(76), _IO_UD(77), _IO_UD(78), _IO_UD(79),
+
+	_IO_UD(80), _IO_UD(81), _IO_UD(82), _IO_UD(83), _IO_UD(84),
+	_IO_UD(85), _IO_UD(86), _IO_UD(87), _IO_UD(88), _IO_UD(89),
+
+	_IO_UD(90), _IO_UD(91), _IO_UD(92), _IO_UD(93), _IO_UD(94),
+	_IO_UD(95), _IO_U_(96), _IO_UD(97), _IO_UD(98), __O___(99), /*99?*/
+
+	_IO__D(100), _IO__D(101), _IO__D(102), _IO__D(103), _IO__D(104),
+	_IO__D(105), _IO_U_(106), _IO_U_(107), _IO_U_(108), _IO_U_(109),
+
+	_IO_U_(110), _IO_U_(111), _IO__D(112), _IO__D(113), _IO_U_(114),
+	_IO_U_(115), _IO_U_(116), _IO_U_(117), _IO_U_(118), _IO_U_(119),
+
+	_IO_U_(120), _IO__D(121), _IO__D(122), _IO__D(123), _IO__D(124),
+	_IO__D(125), _IO__D(126), _IO__D(127), _IO__D(128), _IO_UD(129),
+
+	_IO_UD(130), _IO_UD(131), _IO_UD(132), _IO_UD(133), _IO_UD(134),
+	_IO_UD(135), _IO__D(136), _IO__D(137), _IO__D(138), _IO__D(139),
+
+	_IO__D(140), _IO__D(141), _IO__D(142), _IO_UD(143), _IO__D(144),
+	_IO__D(145), _IO__D(146), _IO__D(147), _IO__D(148), _IO__D(149),
+
+	_IO__D(150), _IO__D(151), _IO_UD(152), _I___D(153), _IO_UD(154),
+	_I___D(155), _IO__D(156), _IO__D(157), _I___D(158), _IO__D(159),
+
+	__O___(160), _IO__D(161), _IO__D(162), _IO__D(163), _I___D(164),
+	_IO__D(165), _I___D(166), _I___D(167), _I___D(168), _I___D(169),
+
+	_I___D(170), __O___(171), _IO_UD(172), _IO_UD(173), _IO_UD(174),
+	_IO_UD(175), _IO_UD(176), _IO_UD(177), _IO_UD(178), __O___(179),
+
+	_IO_UD(180), _IO_UD(181), _IO_UD(182), _IO_UD(183), _IO_UD(184),
+	__O___(185), _IO_UD(186), _IO_UD(187), _IO_UD(188), _IO_UD(189),
+
+	_IO_UD(190),
+
+	/* IRQ */
+	PINMUX_DATA(IRQ0_6_MARK,	PORT6_FN0, 	MSEL1CR_0_0),
+	PINMUX_DATA(IRQ0_162_MARK,	PORT162_FN0,	MSEL1CR_0_1),
+	PINMUX_DATA(IRQ1_MARK,		PORT12_FN0),
+	PINMUX_DATA(IRQ2_4_MARK,	PORT4_FN0,	MSEL1CR_2_0),
+	PINMUX_DATA(IRQ2_5_MARK,	PORT5_FN0,	MSEL1CR_2_1),
+	PINMUX_DATA(IRQ3_8_MARK,	PORT8_FN0,	MSEL1CR_3_0),
+	PINMUX_DATA(IRQ3_16_MARK,	PORT16_FN0,	MSEL1CR_3_1),
+	PINMUX_DATA(IRQ4_17_MARK,	PORT17_FN0,	MSEL1CR_4_0),
+	PINMUX_DATA(IRQ4_163_MARK,	PORT163_FN0,	MSEL1CR_4_1),
+	PINMUX_DATA(IRQ5_MARK,		PORT18_FN0),
+	PINMUX_DATA(IRQ6_39_MARK,	PORT39_FN0,	MSEL1CR_6_0),
+	PINMUX_DATA(IRQ6_164_MARK,	PORT164_FN0,	MSEL1CR_6_1),
+	PINMUX_DATA(IRQ7_40_MARK,	PORT40_FN0,	MSEL1CR_7_1),
+	PINMUX_DATA(IRQ7_167_MARK,	PORT167_FN0,	MSEL1CR_7_0),
+	PINMUX_DATA(IRQ8_41_MARK,	PORT41_FN0,	MSEL1CR_8_1),
+	PINMUX_DATA(IRQ8_168_MARK,	PORT168_FN0,	MSEL1CR_8_0),
+	PINMUX_DATA(IRQ9_42_MARK,	PORT42_FN0,	MSEL1CR_9_0),
+	PINMUX_DATA(IRQ9_169_MARK,	PORT169_FN0,	MSEL1CR_9_1),
+	PINMUX_DATA(IRQ10_MARK,		PORT65_FN0,	MSEL1CR_9_1),
+	PINMUX_DATA(IRQ11_MARK,		PORT67_FN0),
+	PINMUX_DATA(IRQ12_80_MARK,	PORT80_FN0,	MSEL1CR_12_0),
+	PINMUX_DATA(IRQ12_137_MARK,	PORT137_FN0,	MSEL1CR_12_1),
+	PINMUX_DATA(IRQ13_81_MARK,	PORT81_FN0,	MSEL1CR_13_0),
+	PINMUX_DATA(IRQ13_145_MARK,	PORT145_FN0,	MSEL1CR_13_1),
+	PINMUX_DATA(IRQ14_82_MARK,	PORT82_FN0,	MSEL1CR_14_0),
+	PINMUX_DATA(IRQ14_146_MARK,	PORT146_FN0,	MSEL1CR_14_1),
+	PINMUX_DATA(IRQ15_83_MARK,	PORT83_FN0,	MSEL1CR_15_0),
+	PINMUX_DATA(IRQ15_147_MARK,	PORT147_FN0,	MSEL1CR_15_1),
+	PINMUX_DATA(IRQ16_84_MARK,	PORT84_FN0,	MSEL1CR_16_0),
+	PINMUX_DATA(IRQ16_170_MARK,	PORT170_FN0,	MSEL1CR_16_1),
+	PINMUX_DATA(IRQ17_MARK,		PORT85_FN0),
+	PINMUX_DATA(IRQ18_MARK,		PORT86_FN0),
+	PINMUX_DATA(IRQ19_MARK,		PORT87_FN0),
+	PINMUX_DATA(IRQ20_MARK,		PORT92_FN0),
+	PINMUX_DATA(IRQ21_MARK,		PORT93_FN0),
+	PINMUX_DATA(IRQ22_MARK,		PORT94_FN0),
+	PINMUX_DATA(IRQ23_MARK,		PORT95_FN0),
+	PINMUX_DATA(IRQ24_MARK,		PORT112_FN0),
+	PINMUX_DATA(IRQ25_MARK,		PORT119_FN0),
+	PINMUX_DATA(IRQ26_121_MARK,	PORT121_FN0,	MSEL1CR_26_1),
+	PINMUX_DATA(IRQ26_172_MARK,	PORT172_FN0,	MSEL1CR_26_0),
+	PINMUX_DATA(IRQ27_122_MARK,	PORT122_FN0,	MSEL1CR_27_1),
+	PINMUX_DATA(IRQ27_180_MARK,	PORT180_FN0,	MSEL1CR_27_0),
+	PINMUX_DATA(IRQ28_123_MARK,	PORT123_FN0,	MSEL1CR_28_1),
+	PINMUX_DATA(IRQ28_181_MARK,	PORT181_FN0,	MSEL1CR_28_0),
+	PINMUX_DATA(IRQ29_129_MARK,	PORT129_FN0,	MSEL1CR_29_1),
+	PINMUX_DATA(IRQ29_182_MARK,	PORT182_FN0,	MSEL1CR_29_0),
+	PINMUX_DATA(IRQ30_130_MARK,	PORT130_FN0,	MSEL1CR_30_1),
+	PINMUX_DATA(IRQ30_183_MARK,	PORT183_FN0,	MSEL1CR_30_0),
+	PINMUX_DATA(IRQ31_138_MARK,	PORT138_FN0,	MSEL1CR_31_1),
+	PINMUX_DATA(IRQ31_184_MARK,	PORT184_FN0,	MSEL1CR_31_0),
+
+	/* Function 1 */
+	PINMUX_DATA(BBIF2_TSCK1_MARK,		PORT0_FN1),
+	PINMUX_DATA(BBIF2_TSYNC1_MARK,		PORT1_FN1),
+	PINMUX_DATA(BBIF2_TXD1_MARK,		PORT2_FN1),
+	PINMUX_DATA(BBIF2_RXD_MARK,		PORT3_FN1),
+	PINMUX_DATA(FSIACK_MARK,		PORT4_FN1),
+	PINMUX_DATA(FSIAILR_MARK,		PORT5_FN1),
+	PINMUX_DATA(FSIAIBT_MARK,		PORT6_FN1),
+	PINMUX_DATA(FSIAISLD_MARK,		PORT7_FN1),
+	PINMUX_DATA(FSIAOMC_MARK,		PORT8_FN1),
+	PINMUX_DATA(FSIAOLR_MARK,		PORT9_FN1),
+	PINMUX_DATA(FSIAOBT_MARK,		PORT10_FN1),
+	PINMUX_DATA(FSIAOSLD_MARK,		PORT11_FN1),
+	PINMUX_DATA(FMSOCK_MARK,		PORT12_FN1),
+	PINMUX_DATA(FMSOOLR_MARK,		PORT13_FN1),
+	PINMUX_DATA(FMSOOBT_MARK,		PORT14_FN1),
+	PINMUX_DATA(FMSOSLD_MARK,		PORT15_FN1),
+	PINMUX_DATA(FMSOILR_MARK,		PORT16_FN1),
+	PINMUX_DATA(FMSOIBT_MARK,		PORT17_FN1),
+	PINMUX_DATA(FMSISLD_MARK,		PORT18_FN1),
+	PINMUX_DATA(A0_MARK,			PORT19_FN1),
+	PINMUX_DATA(A1_MARK,			PORT20_FN1),
+	PINMUX_DATA(A2_MARK,			PORT21_FN1),
+	PINMUX_DATA(A3_MARK,			PORT22_FN1),
+	PINMUX_DATA(A4_FOE_MARK,		PORT23_FN1),
+	PINMUX_DATA(A5_FCDE_MARK,		PORT24_FN1),
+	PINMUX_DATA(A6_MARK,			PORT25_FN1),
+	PINMUX_DATA(A7_MARK,			PORT26_FN1),
+	PINMUX_DATA(A8_MARK,			PORT27_FN1),
+	PINMUX_DATA(A9_MARK,			PORT28_FN1),
+	PINMUX_DATA(A10_MARK,			PORT29_FN1),
+	PINMUX_DATA(A11_MARK,			PORT30_FN1),
+	PINMUX_DATA(A12_MARK,			PORT31_FN1),
+	PINMUX_DATA(A13_MARK,			PORT32_FN1),
+	PINMUX_DATA(A14_MARK,			PORT33_FN1),
+	PINMUX_DATA(A15_MARK,			PORT34_FN1),
+	PINMUX_DATA(A16_MARK,			PORT35_FN1),
+	PINMUX_DATA(A17_MARK,			PORT36_FN1),
+	PINMUX_DATA(A18_MARK,			PORT37_FN1),
+	PINMUX_DATA(A19_MARK,			PORT38_FN1),
+	PINMUX_DATA(A20_MARK,			PORT39_FN1),
+	PINMUX_DATA(A21_MARK,			PORT40_FN1),
+	PINMUX_DATA(A22_MARK,			PORT41_FN1),
+	PINMUX_DATA(A23_MARK,			PORT42_FN1),
+	PINMUX_DATA(A24_MARK,			PORT43_FN1),
+	PINMUX_DATA(A25_MARK,			PORT44_FN1),
+	PINMUX_DATA(A26_MARK,			PORT45_FN1),
+	PINMUX_DATA(D0_NAF0_MARK,		PORT46_FN1),
+	PINMUX_DATA(D1_NAF1_MARK,		PORT47_FN1),
+	PINMUX_DATA(D2_NAF2_MARK,		PORT48_FN1),
+	PINMUX_DATA(D3_NAF3_MARK,		PORT49_FN1),
+	PINMUX_DATA(D4_NAF4_MARK,		PORT50_FN1),
+	PINMUX_DATA(D5_NAF5_MARK,		PORT51_FN1),
+	PINMUX_DATA(D6_NAF6_MARK,		PORT52_FN1),
+	PINMUX_DATA(D7_NAF7_MARK,		PORT53_FN1),
+	PINMUX_DATA(D8_NAF8_MARK,		PORT54_FN1),
+	PINMUX_DATA(D9_NAF9_MARK,		PORT55_FN1),
+	PINMUX_DATA(D10_NAF10_MARK,		PORT56_FN1),
+	PINMUX_DATA(D11_NAF11_MARK,		PORT57_FN1),
+	PINMUX_DATA(D12_NAF12_MARK,		PORT58_FN1),
+	PINMUX_DATA(D13_NAF13_MARK,		PORT59_FN1),
+	PINMUX_DATA(D14_NAF14_MARK,		PORT60_FN1),
+	PINMUX_DATA(D15_NAF15_MARK,		PORT61_FN1),
+	PINMUX_DATA(CS0_MARK,			PORT62_FN1),
+	PINMUX_DATA(CS2_MARK,			PORT63_FN1),
+	PINMUX_DATA(CS4_MARK,			PORT64_FN1),
+	PINMUX_DATA(CS5A_MARK,			PORT65_FN1),
+	PINMUX_DATA(CS5B_MARK,			PORT66_FN1),
+	PINMUX_DATA(CS6A_MARK,			PORT67_FN1),
+	PINMUX_DATA(FCE0_MARK,			PORT68_FN1),
+	PINMUX_DATA(RD_FSC_MARK,		PORT69_FN1),
+	PINMUX_DATA(WE0_FWE_MARK,		PORT70_FN1),
+	PINMUX_DATA(WE1_MARK,			PORT71_FN1),
+	PINMUX_DATA(CKO_MARK,			PORT72_FN1),
+	PINMUX_DATA(FRB_MARK,			PORT73_FN1),
+	PINMUX_DATA(WAIT_MARK,			PORT74_FN1),
+	PINMUX_DATA(RDWR_MARK,			PORT75_FN1),
+	PINMUX_DATA(MEMC_AD0_MARK,		PORT76_FN1),
+	PINMUX_DATA(MEMC_AD1_MARK,		PORT77_FN1),
+	PINMUX_DATA(MEMC_AD2_MARK,		PORT78_FN1),
+	PINMUX_DATA(MEMC_AD3_MARK,		PORT79_FN1),
+	PINMUX_DATA(MEMC_AD4_MARK,		PORT80_FN1),
+	PINMUX_DATA(MEMC_AD5_MARK,		PORT81_FN1),
+	PINMUX_DATA(MEMC_AD6_MARK,		PORT82_FN1),
+	PINMUX_DATA(MEMC_AD7_MARK,		PORT83_FN1),
+	PINMUX_DATA(MEMC_AD8_MARK,		PORT84_FN1),
+	PINMUX_DATA(MEMC_AD9_MARK,		PORT85_FN1),
+	PINMUX_DATA(MEMC_AD10_MARK,		PORT86_FN1),
+	PINMUX_DATA(MEMC_AD11_MARK,		PORT87_FN1),
+	PINMUX_DATA(MEMC_AD12_MARK,		PORT88_FN1),
+	PINMUX_DATA(MEMC_AD13_MARK,		PORT89_FN1),
+	PINMUX_DATA(MEMC_AD14_MARK,		PORT90_FN1),
+	PINMUX_DATA(MEMC_AD15_MARK,		PORT91_FN1),
+	PINMUX_DATA(MEMC_CS0_MARK,		PORT92_FN1),
+	PINMUX_DATA(MEMC_BUSCLK_MEMC_A0_MARK,	PORT93_FN1),
+	PINMUX_DATA(MEMC_CS1_MEMC_A1_MARK,	PORT94_FN1),
+	PINMUX_DATA(MEMC_ADV_MEMC_DREQ0_MARK,	PORT95_FN1),
+	PINMUX_DATA(MEMC_WAIT_MEMC_DREQ1_MARK,	PORT96_FN1),
+	PINMUX_DATA(MEMC_NOE_MARK,		PORT97_FN1),
+	PINMUX_DATA(MEMC_NWE_MARK,		PORT98_FN1),
+	PINMUX_DATA(MEMC_INT_MARK,		PORT99_FN1),
+	PINMUX_DATA(VIO_VD_MARK,		PORT100_FN1),
+	PINMUX_DATA(VIO_HD_MARK,		PORT101_FN1),
+	PINMUX_DATA(VIO_D0_MARK,		PORT102_FN1),
+	PINMUX_DATA(VIO_D1_MARK,		PORT103_FN1),
+	PINMUX_DATA(VIO_D2_MARK,		PORT104_FN1),
+	PINMUX_DATA(VIO_D3_MARK,		PORT105_FN1),
+	PINMUX_DATA(VIO_D4_MARK,		PORT106_FN1),
+	PINMUX_DATA(VIO_D5_MARK,		PORT107_FN1),
+	PINMUX_DATA(VIO_D6_MARK,		PORT108_FN1),
+	PINMUX_DATA(VIO_D7_MARK,		PORT109_FN1),
+	PINMUX_DATA(VIO_D8_MARK,		PORT110_FN1),
+	PINMUX_DATA(VIO_D9_MARK,		PORT111_FN1),
+	PINMUX_DATA(VIO_D10_MARK,		PORT112_FN1),
+	PINMUX_DATA(VIO_D11_MARK,		PORT113_FN1),
+	PINMUX_DATA(VIO_D12_MARK,		PORT114_FN1),
+	PINMUX_DATA(VIO_D13_MARK,		PORT115_FN1),
+	PINMUX_DATA(VIO_D14_MARK,		PORT116_FN1),
+	PINMUX_DATA(VIO_D15_MARK,		PORT117_FN1),
+	PINMUX_DATA(VIO_CLK_MARK,		PORT118_FN1),
+	PINMUX_DATA(VIO_FIELD_MARK,		PORT119_FN1),
+	PINMUX_DATA(VIO_CKO_MARK,		PORT120_FN1),
+	PINMUX_DATA(LCDD0_MARK,			PORT121_FN1),
+	PINMUX_DATA(LCDD1_MARK,			PORT122_FN1),
+	PINMUX_DATA(LCDD2_MARK,			PORT123_FN1),
+	PINMUX_DATA(LCDD3_MARK,			PORT124_FN1),
+	PINMUX_DATA(LCDD4_MARK,			PORT125_FN1),
+	PINMUX_DATA(LCDD5_MARK,			PORT126_FN1),
+	PINMUX_DATA(LCDD6_MARK,			PORT127_FN1),
+	PINMUX_DATA(LCDD7_MARK,			PORT128_FN1),
+	PINMUX_DATA(LCDD8_MARK,			PORT129_FN1),
+	PINMUX_DATA(LCDD9_MARK,			PORT130_FN1),
+	PINMUX_DATA(LCDD10_MARK,		PORT131_FN1),
+	PINMUX_DATA(LCDD11_MARK,		PORT132_FN1),
+	PINMUX_DATA(LCDD12_MARK,		PORT133_FN1),
+	PINMUX_DATA(LCDD13_MARK,		PORT134_FN1),
+	PINMUX_DATA(LCDD14_MARK,		PORT135_FN1),
+	PINMUX_DATA(LCDD15_MARK,		PORT136_FN1),
+	PINMUX_DATA(LCDD16_MARK,		PORT137_FN1),
+	PINMUX_DATA(LCDD17_MARK,		PORT138_FN1),
+	PINMUX_DATA(LCDD18_MARK,		PORT139_FN1),
+	PINMUX_DATA(LCDD19_MARK,		PORT140_FN1),
+	PINMUX_DATA(LCDD20_MARK,		PORT141_FN1),
+	PINMUX_DATA(LCDD21_MARK,		PORT142_FN1),
+	PINMUX_DATA(LCDD22_MARK,		PORT143_FN1),
+	PINMUX_DATA(LCDD23_MARK,		PORT144_FN1),
+	PINMUX_DATA(LCDHSYN_MARK,		PORT145_FN1),
+	PINMUX_DATA(LCDVSYN_MARK,		PORT146_FN1),
+	PINMUX_DATA(LCDDCK_MARK,		PORT147_FN1),
+	PINMUX_DATA(LCDRD_MARK,			PORT148_FN1),
+	PINMUX_DATA(LCDDISP_MARK,		PORT149_FN1),
+	PINMUX_DATA(LCDLCLK_MARK,		PORT150_FN1),
+	PINMUX_DATA(LCDDON_MARK,		PORT151_FN1),
+	PINMUX_DATA(SCIFA0_TXD_MARK,		PORT152_FN1),
+	PINMUX_DATA(SCIFA0_RXD_MARK,		PORT153_FN1),
+	PINMUX_DATA(SCIFA1_TXD_MARK,		PORT154_FN1),
+	PINMUX_DATA(SCIFA1_RXD_MARK,		PORT155_FN1),
+	PINMUX_DATA(TS_SPSYNC1_MARK,		PORT156_FN1),
+	PINMUX_DATA(TS_SDAT1_MARK,		PORT157_FN1),
+	PINMUX_DATA(TS_SDEN1_MARK,		PORT158_FN1),
+	PINMUX_DATA(TS_SCK1_MARK,		PORT159_FN1),
+	PINMUX_DATA(TPU0TO0_MARK,		PORT160_FN1),
+	PINMUX_DATA(TPU0TO1_MARK,		PORT161_FN1),
+	PINMUX_DATA(SCIFB_SCK_MARK,		PORT162_FN1),
+	PINMUX_DATA(SCIFB_RTS_MARK,		PORT163_FN1),
+	PINMUX_DATA(SCIFB_CTS_MARK,		PORT164_FN1),
+	PINMUX_DATA(SCIFB_TXD_MARK,		PORT165_FN1),
+	PINMUX_DATA(SCIFB_RXD_MARK,		PORT166_FN1),
+	PINMUX_DATA(VBUS0_0_MARK,		PORT167_FN1),
+	PINMUX_DATA(VBUS0_1_MARK,		PORT168_FN1),
+	PINMUX_DATA(HDMI_HPD_MARK,		PORT169_FN1),
+	PINMUX_DATA(HDMI_CEC_MARK,		PORT170_FN1),
+	PINMUX_DATA(SDHICLK0_MARK,		PORT171_FN1),
+	PINMUX_DATA(SDHICD0_MARK,		PORT172_FN1),
+	PINMUX_DATA(SDHID0_0_MARK,		PORT173_FN1),
+	PINMUX_DATA(SDHID0_1_MARK,		PORT174_FN1),
+	PINMUX_DATA(SDHID0_2_MARK,		PORT175_FN1),
+	PINMUX_DATA(SDHID0_3_MARK,		PORT176_FN1),
+	PINMUX_DATA(SDHICMD0_MARK,		PORT177_FN1),
+	PINMUX_DATA(SDHIWP0_MARK,		PORT178_FN1),
+	PINMUX_DATA(SDHICLK1_MARK,		PORT179_FN1),
+	PINMUX_DATA(SDHID1_0_MARK,		PORT180_FN1),
+	PINMUX_DATA(SDHID1_1_MARK,		PORT181_FN1),
+	PINMUX_DATA(SDHID1_2_MARK,		PORT182_FN1),
+	PINMUX_DATA(SDHID1_3_MARK,		PORT183_FN1),
+	PINMUX_DATA(SDHICMD1_MARK,		PORT184_FN1),
+	PINMUX_DATA(SDHICLK2_MARK,		PORT185_FN1),
+	PINMUX_DATA(SDHID2_0_MARK,		PORT186_FN1),
+	PINMUX_DATA(SDHID2_1_MARK,		PORT187_FN1),
+	PINMUX_DATA(SDHID2_2_MARK,		PORT188_FN1),
+	PINMUX_DATA(SDHID2_3_MARK,		PORT189_FN1),
+	PINMUX_DATA(SDHICMD2_MARK,		PORT190_FN1),
+
+	/* Function 2 */
+	PINMUX_DATA(FSIBCK_MARK,		PORT4_FN2),
+	PINMUX_DATA(SCIFA4_RXD_MARK,		PORT5_FN2),
+	PINMUX_DATA(SCIFA4_TXD_MARK,		PORT6_FN2),
+	PINMUX_DATA(SCIFA5_RXD_MARK,		PORT8_FN2),
+	PINMUX_DATA(FSIASPDIF_11_MARK,		PORT11_FN2),
+	PINMUX_DATA(SCIFA5_TXD_MARK,		PORT12_FN2),
+	PINMUX_DATA(FMSIOLR_MARK,		PORT13_FN2),
+	PINMUX_DATA(FMSIOBT_MARK,		PORT14_FN2),
+	PINMUX_DATA(FSIASPDIF_15_MARK,		PORT15_FN2),
+	PINMUX_DATA(FMSIILR_MARK,		PORT16_FN2),
+	PINMUX_DATA(FMSIIBT_MARK,		PORT17_FN2),
+	PINMUX_DATA(BS_MARK,			PORT19_FN2),
+	PINMUX_DATA(MSIOF0_TSYNC_MARK,		PORT36_FN2),
+	PINMUX_DATA(MSIOF0_TSCK_MARK,		PORT37_FN2),
+	PINMUX_DATA(MSIOF0_RXD_MARK,		PORT38_FN2),
+	PINMUX_DATA(MSIOF0_RSCK_MARK,		PORT39_FN2),
+	PINMUX_DATA(MSIOF0_RSYNC_MARK,		PORT40_FN2),
+	PINMUX_DATA(MSIOF0_MCK0_MARK,		PORT41_FN2),
+	PINMUX_DATA(MSIOF0_MCK1_MARK,		PORT42_FN2),
+	PINMUX_DATA(MSIOF0_SS1_MARK,		PORT43_FN2),
+	PINMUX_DATA(MSIOF0_SS2_MARK,		PORT44_FN2),
+	PINMUX_DATA(MSIOF0_TXD_MARK,		PORT45_FN2),
+	PINMUX_DATA(FMSICK_MARK,		PORT65_FN2),
+	PINMUX_DATA(FCE1_MARK,			PORT66_FN2),
+	PINMUX_DATA(BBIF1_RXD_MARK,		PORT76_FN2),
+	PINMUX_DATA(BBIF1_TSYNC_MARK,		PORT77_FN2),
+	PINMUX_DATA(BBIF1_TSCK_MARK,		PORT78_FN2),
+	PINMUX_DATA(BBIF1_TXD_MARK,		PORT79_FN2),
+	PINMUX_DATA(BBIF1_RSCK_MARK,		PORT80_FN2),
+	PINMUX_DATA(BBIF1_RSYNC_MARK,		PORT81_FN2),
+	PINMUX_DATA(BBIF1_FLOW_MARK,		PORT82_FN2),
+	PINMUX_DATA(BB_RX_FLOW_N_MARK,		PORT83_FN2),
+	PINMUX_DATA(MSIOF1_RSCK_MARK,		PORT84_FN2),
+	PINMUX_DATA(MSIOF1_RSYNC_MARK,		PORT85_FN2),
+	PINMUX_DATA(MSIOF1_MCK0_MARK,		PORT86_FN2),
+	PINMUX_DATA(MSIOF1_MCK1_MARK,		PORT87_FN2),
+	PINMUX_DATA(MSIOF1_TSCK_88_MARK,	PORT88_FN2, MSEL4CR_10_1),
+	PINMUX_DATA(MSIOF1_TSYNC_89_MARK,	PORT89_FN2, MSEL4CR_10_1),
+	PINMUX_DATA(MSIOF1_TXD_90_MARK,		PORT90_FN2, MSEL4CR_10_1),
+	PINMUX_DATA(MSIOF1_RXD_91_MARK,		PORT91_FN2, MSEL4CR_10_1),
+	PINMUX_DATA(MSIOF1_SS1_92_MARK,		PORT92_FN2, MSEL4CR_10_1),
+	PINMUX_DATA(MSIOF1_SS2_93_MARK,		PORT93_FN2, MSEL4CR_10_1),
+	PINMUX_DATA(SCIFA2_CTS1_MARK,		PORT94_FN2),
+	PINMUX_DATA(SCIFA2_RTS1_MARK,		PORT95_FN2),
+	PINMUX_DATA(SCIFA2_TXD1_MARK,		PORT96_FN2),
+	PINMUX_DATA(SCIFA2_RXD1_MARK,		PORT97_FN2),
+	PINMUX_DATA(SCIFA2_SCK1_MARK,		PORT98_FN2),
+	PINMUX_DATA(I2C_SCL2_MARK,		PORT110_FN2),
+	PINMUX_DATA(I2C_SDA2_MARK,		PORT111_FN2),
+	PINMUX_DATA(I2C_SCL3_MARK,		PORT114_FN2, MSEL4CR_16_1),
+	PINMUX_DATA(I2C_SDA3_MARK,		PORT115_FN2, MSEL4CR_16_1),
+	PINMUX_DATA(I2C_SCL4_MARK,		PORT116_FN2, MSEL4CR_17_1),
+	PINMUX_DATA(I2C_SDA4_MARK,		PORT117_FN2, MSEL4CR_17_1),
+	PINMUX_DATA(MSIOF2_RSCK_MARK,		PORT134_FN2),
+	PINMUX_DATA(MSIOF2_RSYNC_MARK,		PORT135_FN2),
+	PINMUX_DATA(MSIOF2_MCK0_MARK,		PORT136_FN2),
+	PINMUX_DATA(MSIOF2_MCK1_MARK,		PORT137_FN2),
+	PINMUX_DATA(MSIOF2_SS1_MARK,		PORT138_FN2),
+	PINMUX_DATA(MSIOF2_SS2_MARK,		PORT139_FN2),
+	PINMUX_DATA(SCIFA3_CTS_140_MARK,	PORT140_FN2, MSEL3CR_9_1),
+	PINMUX_DATA(SCIFA3_RTS_141_MARK,	PORT141_FN2),
+	PINMUX_DATA(SCIFA3_SCK_MARK,		PORT142_FN2),
+	PINMUX_DATA(SCIFA3_TXD_MARK,		PORT143_FN2),
+	PINMUX_DATA(SCIFA3_RXD_MARK,		PORT144_FN2),
+	PINMUX_DATA(MSIOF2_TSYNC_MARK,		PORT148_FN2),
+	PINMUX_DATA(MSIOF2_TSCK_MARK,		PORT149_FN2),
+	PINMUX_DATA(MSIOF2_RXD_MARK,		PORT150_FN2),
+	PINMUX_DATA(MSIOF2_TXD_MARK,		PORT151_FN2),
+	PINMUX_DATA(SCIFA0_SCK_MARK,		PORT156_FN2),
+	PINMUX_DATA(SCIFA0_RTS_MARK,		PORT157_FN2),
+	PINMUX_DATA(SCIFA0_CTS_MARK,		PORT158_FN2),
+	PINMUX_DATA(SCIFA1_SCK_MARK,		PORT159_FN2),
+	PINMUX_DATA(SCIFA1_RTS_MARK,		PORT160_FN2),
+	PINMUX_DATA(SCIFA1_CTS_MARK,		PORT161_FN2),
+
+	/* Function 3 */
+	PINMUX_DATA(VIO_CKO1_MARK,		PORT16_FN3),
+	PINMUX_DATA(VIO_CKO2_MARK,		PORT17_FN3),
+	PINMUX_DATA(IDIN_1_18_MARK,		PORT18_FN3, MSEL4CR_14_1),
+	PINMUX_DATA(MSIOF1_TSCK_39_MARK,	PORT39_FN3, MSEL4CR_10_0),
+	PINMUX_DATA(MSIOF1_TSYNC_40_MARK,	PORT40_FN3, MSEL4CR_10_0),
+	PINMUX_DATA(MSIOF1_TXD_41_MARK,		PORT41_FN3, MSEL4CR_10_0),
+	PINMUX_DATA(MSIOF1_RXD_42_MARK,		PORT42_FN3, MSEL4CR_10_0),
+	PINMUX_DATA(MSIOF1_SS1_43_MARK,		PORT43_FN3, MSEL4CR_10_0),
+	PINMUX_DATA(MSIOF1_SS2_44_MARK,		PORT44_FN3, MSEL4CR_10_0),
+	PINMUX_DATA(MMCD1_0_MARK,		PORT54_FN3, MSEL4CR_15_1),
+	PINMUX_DATA(MMCD1_1_MARK,		PORT55_FN3, MSEL4CR_15_1),
+	PINMUX_DATA(MMCD1_2_MARK,		PORT56_FN3, MSEL4CR_15_1),
+	PINMUX_DATA(MMCD1_3_MARK,		PORT57_FN3, MSEL4CR_15_1),
+	PINMUX_DATA(MMCD1_4_MARK,		PORT58_FN3, MSEL4CR_15_1),
+	PINMUX_DATA(MMCD1_5_MARK,		PORT59_FN3, MSEL4CR_15_1),
+	PINMUX_DATA(MMCD1_6_MARK,		PORT60_FN3, MSEL4CR_15_1),
+	PINMUX_DATA(MMCD1_7_MARK,		PORT61_FN3, MSEL4CR_15_1),
+	PINMUX_DATA(VINT_I_MARK,		PORT65_FN3),
+	PINMUX_DATA(MMCCLK1_MARK,		PORT66_FN3, MSEL4CR_15_1),
+	PINMUX_DATA(MMCCMD1_MARK,		PORT67_FN3, MSEL4CR_15_1),
+	PINMUX_DATA(TPU0TO2_93_MARK,		PORT93_FN3),
+	PINMUX_DATA(TPU0TO2_99_MARK,		PORT99_FN3),
+	PINMUX_DATA(TPU0TO3_MARK,		PORT112_FN3),
+	PINMUX_DATA(IDIN_0_MARK,		PORT113_FN3),
+	PINMUX_DATA(EXTLP_0_MARK,		PORT114_FN3),
+	PINMUX_DATA(OVCN2_0_MARK,		PORT115_FN3),
+	PINMUX_DATA(PWEN_0_MARK,		PORT116_FN3),
+	PINMUX_DATA(OVCN_0_MARK,		PORT117_FN3),
+	PINMUX_DATA(KEYOUT7_MARK,		PORT121_FN3),
+	PINMUX_DATA(KEYOUT6_MARK,		PORT122_FN3),
+	PINMUX_DATA(KEYOUT5_MARK,		PORT123_FN3),
+	PINMUX_DATA(KEYOUT4_MARK,		PORT124_FN3),
+	PINMUX_DATA(KEYOUT3_MARK,		PORT125_FN3),
+	PINMUX_DATA(KEYOUT2_MARK,		PORT126_FN3),
+	PINMUX_DATA(KEYOUT1_MARK,		PORT127_FN3),
+	PINMUX_DATA(KEYOUT0_MARK,		PORT128_FN3),
+	PINMUX_DATA(KEYIN7_MARK,		PORT129_FN3),
+	PINMUX_DATA(KEYIN6_MARK,		PORT130_FN3),
+	PINMUX_DATA(KEYIN5_MARK,		PORT131_FN3),
+	PINMUX_DATA(KEYIN4_MARK,		PORT132_FN3),
+	PINMUX_DATA(KEYIN3_133_MARK,		PORT133_FN3, MSEL4CR_18_0),
+	PINMUX_DATA(KEYIN2_134_MARK,		PORT134_FN3, MSEL4CR_18_0),
+	PINMUX_DATA(KEYIN1_135_MARK,		PORT135_FN3, MSEL4CR_18_0),
+	PINMUX_DATA(KEYIN0_136_MARK,		PORT136_FN3, MSEL4CR_18_0),
+	PINMUX_DATA(TS_SPSYNC2_MARK,		PORT137_FN3),
+	PINMUX_DATA(IROUT_139_MARK,		PORT139_FN3),
+	PINMUX_DATA(IRDA_OUT_MARK,		PORT140_FN3),
+	PINMUX_DATA(IRDA_IN_MARK,		PORT141_FN3),
+	PINMUX_DATA(IRDA_FIRSEL_MARK,		PORT142_FN3),
+	PINMUX_DATA(TS_SDAT2_MARK,		PORT145_FN3),
+	PINMUX_DATA(TS_SDEN2_MARK,		PORT146_FN3),
+	PINMUX_DATA(TS_SCK2_MARK,		PORT147_FN3),
+
+	/* Function 4 */
+	PINMUX_DATA(SCIFA3_CTS_43_MARK,	PORT43_FN4, MSEL3CR_9_0),
+	PINMUX_DATA(SCIFA3_RTS_44_MARK,	PORT44_FN4),
+	PINMUX_DATA(GP_RX_FLAG_MARK,	PORT76_FN4),
+	PINMUX_DATA(GP_RX_DATA_MARK,	PORT77_FN4),
+	PINMUX_DATA(GP_TX_READY_MARK,	PORT78_FN4),
+	PINMUX_DATA(GP_RX_WAKE_MARK,	PORT79_FN4),
+	PINMUX_DATA(MP_TX_FLAG_MARK,	PORT80_FN4),
+	PINMUX_DATA(MP_TX_DATA_MARK,	PORT81_FN4),
+	PINMUX_DATA(MP_RX_READY_MARK,	PORT82_FN4),
+	PINMUX_DATA(MP_TX_WAKE_MARK,	PORT83_FN4),
+	PINMUX_DATA(MMCD0_0_MARK,	PORT84_FN4, MSEL4CR_15_0),
+	PINMUX_DATA(MMCD0_1_MARK,	PORT85_FN4, MSEL4CR_15_0),
+	PINMUX_DATA(MMCD0_2_MARK,	PORT86_FN4, MSEL4CR_15_0),
+	PINMUX_DATA(MMCD0_3_MARK,	PORT87_FN4, MSEL4CR_15_0),
+	PINMUX_DATA(MMCD0_4_MARK,	PORT88_FN4, MSEL4CR_15_0),
+	PINMUX_DATA(MMCD0_5_MARK,	PORT89_FN4, MSEL4CR_15_0),
+	PINMUX_DATA(MMCD0_6_MARK,	PORT90_FN4, MSEL4CR_15_0),
+	PINMUX_DATA(MMCD0_7_MARK,	PORT91_FN4, MSEL4CR_15_0),
+	PINMUX_DATA(MMCCMD0_MARK,	PORT92_FN4, MSEL4CR_15_0),
+	PINMUX_DATA(SIM_RST_MARK,	PORT94_FN4),
+	PINMUX_DATA(SIM_CLK_MARK,	PORT95_FN4),
+	PINMUX_DATA(SIM_D_MARK,		PORT98_FN4),
+	PINMUX_DATA(MMCCLK0_MARK,	PORT99_FN4, MSEL4CR_15_0),
+	PINMUX_DATA(IDIN_1_113_MARK,	PORT113_FN4, MSEL4CR_14_0),
+	PINMUX_DATA(OVCN_1_114_MARK,	PORT114_FN4, MSEL4CR_14_0),
+	PINMUX_DATA(PWEN_1_115_MARK,	PORT115_FN4),
+	PINMUX_DATA(EXTLP_1_MARK,	PORT116_FN4),
+	PINMUX_DATA(OVCN2_1_MARK,	PORT117_FN4),
+	PINMUX_DATA(KEYIN0_121_MARK,	PORT121_FN4, MSEL4CR_18_1),
+	PINMUX_DATA(KEYIN1_122_MARK,	PORT122_FN4, MSEL4CR_18_1),
+	PINMUX_DATA(KEYIN2_123_MARK,	PORT123_FN4, MSEL4CR_18_1),
+	PINMUX_DATA(KEYIN3_124_MARK,	PORT124_FN4, MSEL4CR_18_1),
+	PINMUX_DATA(PWEN_1_138_MARK,	PORT138_FN4),
+	PINMUX_DATA(IROUT_140_MARK,	PORT140_FN4),
+	PINMUX_DATA(LCDCS_MARK,		PORT145_FN4),
+	PINMUX_DATA(LCDWR_MARK,		PORT147_FN4),
+	PINMUX_DATA(LCDRS_MARK,		PORT149_FN4),
+	PINMUX_DATA(OVCN_1_162_MARK,	PORT162_FN4, MSEL4CR_14_1),
+
+	/* Function 5 */
+	PINMUX_DATA(GPI0_MARK,		PORT41_FN5),
+	PINMUX_DATA(GPI1_MARK,		PORT42_FN5),
+	PINMUX_DATA(GPO0_MARK,		PORT43_FN5),
+	PINMUX_DATA(GPO1_MARK,		PORT44_FN5),
+	PINMUX_DATA(I2C_SCL3S_MARK,	PORT137_FN5, MSEL4CR_16_0),
+	PINMUX_DATA(I2C_SDA3S_MARK,	PORT145_FN5, MSEL4CR_16_0),
+	PINMUX_DATA(I2C_SCL4S_MARK,	PORT146_FN5, MSEL4CR_17_0),
+	PINMUX_DATA(I2C_SDA4S_MARK,	PORT147_FN5, MSEL4CR_17_0),
+
+	/* Function select */
+	PINMUX_DATA(LCDC0_SELECT_MARK,	MSEL3CR_6_0),
+	PINMUX_DATA(LCDC1_SELECT_MARK,	MSEL3CR_6_1),
+
+	PINMUX_DATA(TS0_1SELECT_MARK,	MSEL3CR_21_0, MSEL3CR_20_0),
+	PINMUX_DATA(TS0_2SELECT_MARK,	MSEL3CR_21_0, MSEL3CR_20_1),
+	PINMUX_DATA(TS1_1SELECT_MARK,	MSEL3CR_27_0, MSEL3CR_26_0),
+	PINMUX_DATA(TS1_2SELECT_MARK,	MSEL3CR_27_0, MSEL3CR_26_1),
+
+	PINMUX_DATA(SDENC_CPG_MARK,	MSEL4CR_19_0),
+	PINMUX_DATA(SDENC_DV_CLKI_MARK,	MSEL4CR_19_1),
+
+	PINMUX_DATA(MFIv6_MARK,		MSEL4CR_6_0),
+	PINMUX_DATA(MFIv4_MARK,		MSEL4CR_6_1),
+};
+
+#define _GPIO_PORT(pfx, sfx) PINMUX_GPIO(GPIO_PORT##pfx, PORT##pfx##_DATA)
+#define GPIO_PORT_ALL() _190(_GPIO_PORT, , unused)
+#define GPIO_FN(str) PINMUX_GPIO(GPIO_FN_##str, str##_MARK)
+
+static struct pinmux_gpio pinmux_gpios[] = {
+
+	/* PORT */
+	GPIO_PORT_ALL(),
+
+	/* IRQ */
+	GPIO_FN(IRQ0_6),	GPIO_FN(IRQ0_162),	GPIO_FN(IRQ1),
+	GPIO_FN(IRQ2_4),	GPIO_FN(IRQ2_5),	GPIO_FN(IRQ3_8),
+	GPIO_FN(IRQ3_16),	GPIO_FN(IRQ4_17),	GPIO_FN(IRQ4_163),
+	GPIO_FN(IRQ5),		GPIO_FN(IRQ6_39),	GPIO_FN(IRQ6_164),
+	GPIO_FN(IRQ7_40),	GPIO_FN(IRQ7_167),	GPIO_FN(IRQ8_41),
+	GPIO_FN(IRQ8_168),	GPIO_FN(IRQ9_42),	GPIO_FN(IRQ9_169),
+	GPIO_FN(IRQ10),		GPIO_FN(IRQ11),		GPIO_FN(IRQ12_80),
+	GPIO_FN(IRQ12_137),	GPIO_FN(IRQ13_81),	GPIO_FN(IRQ13_145),
+	GPIO_FN(IRQ14_82),	GPIO_FN(IRQ14_146),	GPIO_FN(IRQ15_83),
+	GPIO_FN(IRQ15_147),	GPIO_FN(IRQ16_84),	GPIO_FN(IRQ16_170),
+	GPIO_FN(IRQ17),		GPIO_FN(IRQ18),		GPIO_FN(IRQ19),
+	GPIO_FN(IRQ20),		GPIO_FN(IRQ21),		GPIO_FN(IRQ22),
+	GPIO_FN(IRQ23),		GPIO_FN(IRQ24),		GPIO_FN(IRQ25),
+	GPIO_FN(IRQ26_121),	GPIO_FN(IRQ26_172),	GPIO_FN(IRQ27_122),
+	GPIO_FN(IRQ27_180),	GPIO_FN(IRQ28_123),	GPIO_FN(IRQ28_181),
+	GPIO_FN(IRQ29_129),	GPIO_FN(IRQ29_182),	GPIO_FN(IRQ30_130),
+	GPIO_FN(IRQ30_183),	GPIO_FN(IRQ31_138),	GPIO_FN(IRQ31_184),
+
+	/* MSIOF0 */
+	GPIO_FN(MSIOF0_TSYNC),	GPIO_FN(MSIOF0_TSCK),	GPIO_FN(MSIOF0_RXD),
+	GPIO_FN(MSIOF0_RSCK),	GPIO_FN(MSIOF0_RSYNC),	GPIO_FN(MSIOF0_MCK0),
+	GPIO_FN(MSIOF0_MCK1),	GPIO_FN(MSIOF0_SS1),	GPIO_FN(MSIOF0_SS2),
+	GPIO_FN(MSIOF0_TXD),
+
+	/* MSIOF1 */
+	GPIO_FN(MSIOF1_TSCK_39),	GPIO_FN(MSIOF1_TSCK_88),
+	GPIO_FN(MSIOF1_TSYNC_40),	GPIO_FN(MSIOF1_TSYNC_89),
+	GPIO_FN(MSIOF1_TXD_41),		GPIO_FN(MSIOF1_TXD_90),
+	GPIO_FN(MSIOF1_RXD_42),		GPIO_FN(MSIOF1_RXD_91),
+	GPIO_FN(MSIOF1_SS1_43),		GPIO_FN(MSIOF1_SS1_92),
+	GPIO_FN(MSIOF1_SS2_44),		GPIO_FN(MSIOF1_SS2_93),
+	GPIO_FN(MSIOF1_RSCK),		GPIO_FN(MSIOF1_RSYNC),
+	GPIO_FN(MSIOF1_MCK0),		GPIO_FN(MSIOF1_MCK1),
+
+	/* MSIOF2 */
+	GPIO_FN(MSIOF2_RSCK),	GPIO_FN(MSIOF2_RSYNC),	GPIO_FN(MSIOF2_MCK0),
+	GPIO_FN(MSIOF2_MCK1),	GPIO_FN(MSIOF2_SS1),	GPIO_FN(MSIOF2_SS2),
+	GPIO_FN(MSIOF2_TSYNC),	GPIO_FN(MSIOF2_TSCK),	GPIO_FN(MSIOF2_RXD),
+	GPIO_FN(MSIOF2_TXD),
+
+	/* MSIOF3 */
+	GPIO_FN(BBIF1_RXD),	GPIO_FN(BBIF1_TSYNC),	GPIO_FN(BBIF1_TSCK),
+	GPIO_FN(BBIF1_TXD),	GPIO_FN(BBIF1_RSCK),	GPIO_FN(BBIF1_RSYNC),
+	GPIO_FN(BBIF1_FLOW),	GPIO_FN(BB_RX_FLOW_N),
+
+	/* MSIOF4 */
+	GPIO_FN(BBIF2_TSCK1),	GPIO_FN(BBIF2_TSYNC1),
+	GPIO_FN(BBIF2_TXD1),	GPIO_FN(BBIF2_RXD),
+
+	/* FSI */
+	GPIO_FN(FSIACK),	GPIO_FN(FSIBCK),	GPIO_FN(FSIAILR),
+	GPIO_FN(FSIAIBT),	GPIO_FN(FSIAISLD),	GPIO_FN(FSIAOMC),
+	GPIO_FN(FSIAOLR),	GPIO_FN(FSIAOBT),	GPIO_FN(FSIAOSLD),
+	GPIO_FN(FSIASPDIF_11),	GPIO_FN(FSIASPDIF_15),
+
+	/* FMSI */
+	GPIO_FN(FMSOCK),	GPIO_FN(FMSOOLR),	GPIO_FN(FMSIOLR),
+	GPIO_FN(FMSOOBT),	GPIO_FN(FMSIOBT),	GPIO_FN(FMSOSLD),
+	GPIO_FN(FMSOILR),	GPIO_FN(FMSIILR),	GPIO_FN(FMSOIBT),
+	GPIO_FN(FMSIIBT),	GPIO_FN(FMSISLD),	GPIO_FN(FMSICK),
+
+	/* SCIFA0 */
+	GPIO_FN(SCIFA0_TXD),	GPIO_FN(SCIFA0_RXD),	GPIO_FN(SCIFA0_SCK),
+	GPIO_FN(SCIFA0_RTS),	GPIO_FN(SCIFA0_CTS),
+
+	/* SCIFA1 */
+	GPIO_FN(SCIFA1_TXD),	GPIO_FN(SCIFA1_RXD),	GPIO_FN(SCIFA1_SCK),
+	GPIO_FN(SCIFA1_RTS),	GPIO_FN(SCIFA1_CTS),
+
+	/* SCIFA2 */
+	GPIO_FN(SCIFA2_CTS1),	GPIO_FN(SCIFA2_RTS1),	GPIO_FN(SCIFA2_TXD1),
+	GPIO_FN(SCIFA2_RXD1),	GPIO_FN(SCIFA2_SCK1),
+
+	/* SCIFA3 */
+	GPIO_FN(SCIFA3_CTS_43),		GPIO_FN(SCIFA3_CTS_140),
+	GPIO_FN(SCIFA3_RTS_44),		GPIO_FN(SCIFA3_RTS_141),
+	GPIO_FN(SCIFA3_SCK),		GPIO_FN(SCIFA3_TXD),
+	GPIO_FN(SCIFA3_RXD),
+
+	/* SCIFA4 */
+	GPIO_FN(SCIFA4_RXD),	GPIO_FN(SCIFA4_TXD),
+
+	/* SCIFA5 */
+	GPIO_FN(SCIFA5_RXD),	GPIO_FN(SCIFA5_TXD),
+
+	/* SCIFB */
+	GPIO_FN(SCIFB_SCK),	GPIO_FN(SCIFB_RTS),	GPIO_FN(SCIFB_CTS),
+	GPIO_FN(SCIFB_TXD),	GPIO_FN(SCIFB_RXD),
+
+	/* CEU */
+	GPIO_FN(VIO_HD),	GPIO_FN(VIO_CKO1),	GPIO_FN(VIO_CKO2),
+	GPIO_FN(VIO_VD),	GPIO_FN(VIO_CLK),	GPIO_FN(VIO_FIELD),
+	GPIO_FN(VIO_CKO),	GPIO_FN(VIO_D0),	GPIO_FN(VIO_D1),
+	GPIO_FN(VIO_D2),	GPIO_FN(VIO_D3),	GPIO_FN(VIO_D4),
+	GPIO_FN(VIO_D5),	GPIO_FN(VIO_D6),	GPIO_FN(VIO_D7),
+	GPIO_FN(VIO_D8),	GPIO_FN(VIO_D9),	GPIO_FN(VIO_D10),
+	GPIO_FN(VIO_D11),	GPIO_FN(VIO_D12),	GPIO_FN(VIO_D13),
+	GPIO_FN(VIO_D14),	GPIO_FN(VIO_D15),
+
+	/* USB0 */
+	GPIO_FN(IDIN_0),	GPIO_FN(EXTLP_0),	GPIO_FN(OVCN2_0),
+	GPIO_FN(PWEN_0),	GPIO_FN(OVCN_0),	GPIO_FN(VBUS0_0),
+
+	/* USB1 */
+	GPIO_FN(IDIN_1_18),	GPIO_FN(IDIN_1_113),
+	GPIO_FN(OVCN_1_114),	GPIO_FN(OVCN_1_162),
+	GPIO_FN(PWEN_1_115),	GPIO_FN(PWEN_1_138),
+	GPIO_FN(EXTLP_1),	GPIO_FN(OVCN2_1),
+	GPIO_FN(VBUS0_1),
+
+	/* GPIO */
+	GPIO_FN(GPI0),	GPIO_FN(GPI1),	GPIO_FN(GPO0),	GPIO_FN(GPO1),
+
+	/* BSC */
+	GPIO_FN(BS),	GPIO_FN(WE1),	GPIO_FN(CKO),
+	GPIO_FN(WAIT),	GPIO_FN(RDWR),
+
+	GPIO_FN(A0),	GPIO_FN(A1),	GPIO_FN(A2),
+	GPIO_FN(A3),	GPIO_FN(A6),	GPIO_FN(A7),
+	GPIO_FN(A8),	GPIO_FN(A9),	GPIO_FN(A10),
+	GPIO_FN(A11),	GPIO_FN(A12),	GPIO_FN(A13),
+	GPIO_FN(A14),	GPIO_FN(A15),	GPIO_FN(A16),
+	GPIO_FN(A17),	GPIO_FN(A18),	GPIO_FN(A19),
+	GPIO_FN(A20),	GPIO_FN(A21),	GPIO_FN(A22),
+	GPIO_FN(A23),	GPIO_FN(A24),	GPIO_FN(A25),
+	GPIO_FN(A26),
+
+	GPIO_FN(CS0),	GPIO_FN(CS2),	GPIO_FN(CS4),
+	GPIO_FN(CS5A),	GPIO_FN(CS5B),	GPIO_FN(CS6A),
+
+	/* BSC/FLCTL */
+	GPIO_FN(RD_FSC),	GPIO_FN(WE0_FWE),	GPIO_FN(A4_FOE),
+	GPIO_FN(A5_FCDE),	GPIO_FN(D0_NAF0),	GPIO_FN(D1_NAF1),
+	GPIO_FN(D2_NAF2),	GPIO_FN(D3_NAF3),	GPIO_FN(D4_NAF4),
+	GPIO_FN(D5_NAF5),	GPIO_FN(D6_NAF6),	GPIO_FN(D7_NAF7),
+	GPIO_FN(D8_NAF8),	GPIO_FN(D9_NAF9),	GPIO_FN(D10_NAF10),
+	GPIO_FN(D11_NAF11),	GPIO_FN(D12_NAF12),	GPIO_FN(D13_NAF13),
+	GPIO_FN(D14_NAF14),	GPIO_FN(D15_NAF15),
+
+	/* MMCIF(1) */
+	GPIO_FN(MMCD0_0),	GPIO_FN(MMCD0_1),	GPIO_FN(MMCD0_2),
+	GPIO_FN(MMCD0_3),	GPIO_FN(MMCD0_4),	GPIO_FN(MMCD0_5),
+	GPIO_FN(MMCD0_6),	GPIO_FN(MMCD0_7),	GPIO_FN(MMCCMD0),
+	GPIO_FN(MMCCLK0),
+
+	/* MMCIF(2) */
+	GPIO_FN(MMCD1_0),	GPIO_FN(MMCD1_1),	GPIO_FN(MMCD1_2),
+	GPIO_FN(MMCD1_3),	GPIO_FN(MMCD1_4),	GPIO_FN(MMCD1_5),
+	GPIO_FN(MMCD1_6),	GPIO_FN(MMCD1_7),	GPIO_FN(MMCCLK1),
+	GPIO_FN(MMCCMD1),
+
+	/* SPU2 */
+	GPIO_FN(VINT_I),
+
+	/* FLCTL */
+	GPIO_FN(FCE1),	GPIO_FN(FCE0),	GPIO_FN(FRB),
+
+	/* HSI */
+	GPIO_FN(GP_RX_FLAG),	GPIO_FN(GP_RX_DATA),	GPIO_FN(GP_TX_READY),
+	GPIO_FN(GP_RX_WAKE),	GPIO_FN(MP_TX_FLAG),	GPIO_FN(MP_TX_DATA),
+	GPIO_FN(MP_RX_READY),	GPIO_FN(MP_TX_WAKE),
+
+	/* MFI */
+	GPIO_FN(MFIv6),
+	GPIO_FN(MFIv4),
+
+	GPIO_FN(MEMC_BUSCLK_MEMC_A0),	GPIO_FN(MEMC_ADV_MEMC_DREQ0),
+	GPIO_FN(MEMC_WAIT_MEMC_DREQ1),	GPIO_FN(MEMC_CS1_MEMC_A1),
+	GPIO_FN(MEMC_CS0),	GPIO_FN(MEMC_NOE),
+	GPIO_FN(MEMC_NWE),	GPIO_FN(MEMC_INT),
+
+	GPIO_FN(MEMC_AD0),	GPIO_FN(MEMC_AD1),	GPIO_FN(MEMC_AD2),
+	GPIO_FN(MEMC_AD3),	GPIO_FN(MEMC_AD4),	GPIO_FN(MEMC_AD5),
+	GPIO_FN(MEMC_AD6),	GPIO_FN(MEMC_AD7),	GPIO_FN(MEMC_AD8),
+	GPIO_FN(MEMC_AD9),	GPIO_FN(MEMC_AD10),	GPIO_FN(MEMC_AD11),
+	GPIO_FN(MEMC_AD12),	GPIO_FN(MEMC_AD13),	GPIO_FN(MEMC_AD14),
+	GPIO_FN(MEMC_AD15),
+
+	/* SIM */
+	GPIO_FN(SIM_RST),	GPIO_FN(SIM_CLK),	GPIO_FN(SIM_D),
+
+	/* TPU */
+	GPIO_FN(TPU0TO0),	GPIO_FN(TPU0TO1),	GPIO_FN(TPU0TO2_93),
+	GPIO_FN(TPU0TO2_99),	GPIO_FN(TPU0TO3),
+
+	/* I2C2 */
+	GPIO_FN(I2C_SCL2),	GPIO_FN(I2C_SDA2),
+
+	/* I2C3(1) */
+	GPIO_FN(I2C_SCL3),	GPIO_FN(I2C_SDA3),
+
+	/* I2C3(2) */
+	GPIO_FN(I2C_SCL3S),	GPIO_FN(I2C_SDA3S),
+
+	/* I2C4(2) */
+	GPIO_FN(I2C_SCL4),	GPIO_FN(I2C_SDA4),
+
+	/* I2C4(2) */
+	GPIO_FN(I2C_SCL4S),	GPIO_FN(I2C_SDA4S),
+
+	/* KEYSC */
+	GPIO_FN(KEYOUT0),	GPIO_FN(KEYIN0_121),	GPIO_FN(KEYIN0_136),
+	GPIO_FN(KEYOUT1),	GPIO_FN(KEYIN1_122),	GPIO_FN(KEYIN1_135),
+	GPIO_FN(KEYOUT2),	GPIO_FN(KEYIN2_123),	GPIO_FN(KEYIN2_134),
+	GPIO_FN(KEYOUT3),	GPIO_FN(KEYIN3_124),	GPIO_FN(KEYIN3_133),
+	GPIO_FN(KEYOUT4),	GPIO_FN(KEYIN4),	GPIO_FN(KEYOUT5),
+	GPIO_FN(KEYIN5),	GPIO_FN(KEYOUT6),	GPIO_FN(KEYIN6),
+	GPIO_FN(KEYOUT7),	GPIO_FN(KEYIN7),
+
+	/* LCDC */
+	GPIO_FN(LCDHSYN),	GPIO_FN(LCDCS),	GPIO_FN(LCDVSYN),
+	GPIO_FN(LCDDCK),	GPIO_FN(LCDWR),	GPIO_FN(LCDRD),
+	GPIO_FN(LCDDISP),	GPIO_FN(LCDRS),	GPIO_FN(LCDLCLK),
+	GPIO_FN(LCDDON),
+
+	GPIO_FN(LCDD0),		GPIO_FN(LCDD1),		GPIO_FN(LCDD2),
+	GPIO_FN(LCDD3),		GPIO_FN(LCDD4),		GPIO_FN(LCDD5),
+	GPIO_FN(LCDD6),		GPIO_FN(LCDD7),		GPIO_FN(LCDD8),
+	GPIO_FN(LCDD9),		GPIO_FN(LCDD10),	GPIO_FN(LCDD11),
+	GPIO_FN(LCDD12),	GPIO_FN(LCDD13),	GPIO_FN(LCDD14),
+	GPIO_FN(LCDD15),	GPIO_FN(LCDD16),	GPIO_FN(LCDD17),
+	GPIO_FN(LCDD18),	GPIO_FN(LCDD19),	GPIO_FN(LCDD20),
+	GPIO_FN(LCDD21),	GPIO_FN(LCDD22),	GPIO_FN(LCDD23),
+
+	/* IRDA */
+	GPIO_FN(IRDA_OUT),	GPIO_FN(IRDA_IN),	GPIO_FN(IRDA_FIRSEL),
+	GPIO_FN(IROUT_139),	GPIO_FN(IROUT_140),
+
+	/* TSIF1 */
+	GPIO_FN(TS0_1SELECT),
+	GPIO_FN(TS0_2SELECT),
+	GPIO_FN(TS1_1SELECT),
+	GPIO_FN(TS1_2SELECT),
+
+	GPIO_FN(TS_SPSYNC1),	GPIO_FN(TS_SDAT1),
+	GPIO_FN(TS_SDEN1),	GPIO_FN(TS_SCK1),
+
+	/* TSIF2 */
+	GPIO_FN(TS_SPSYNC2),	GPIO_FN(TS_SDAT2),
+	GPIO_FN(TS_SDEN2),	GPIO_FN(TS_SCK2),
+
+	/* HDMI */
+	GPIO_FN(HDMI_HPD),	GPIO_FN(HDMI_CEC),
+
+	/* SDHI0 */
+	GPIO_FN(SDHICLK0),	GPIO_FN(SDHICD0),	GPIO_FN(SDHICMD0),
+	GPIO_FN(SDHIWP0),	GPIO_FN(SDHID0_0),	GPIO_FN(SDHID0_1),
+	GPIO_FN(SDHID0_2),	GPIO_FN(SDHID0_3),
+
+	/* SDHI1 */
+	GPIO_FN(SDHICLK1),	GPIO_FN(SDHICMD1),	GPIO_FN(SDHID1_0),
+	GPIO_FN(SDHID1_1),	GPIO_FN(SDHID1_2),	GPIO_FN(SDHID1_3),
+
+	/* SDHI2 */
+	GPIO_FN(SDHICLK2),	GPIO_FN(SDHICMD2),	GPIO_FN(SDHID2_0),
+	GPIO_FN(SDHID2_1),	GPIO_FN(SDHID2_2),	GPIO_FN(SDHID2_3),
+
+	/* SDENC */
+	GPIO_FN(SDENC_CPG),
+	GPIO_FN(SDENC_DV_CLKI),
+};
+
+/* helper for top 4 bits in PORTnCR */
+#define PCRH(in, in_pd, in_pu, out)		\
+	0, (out), (in), 0,			\
+	0, 0, 0, 0,				\
+	0, 0, (in_pd), 0,			\
+	0, 0, (in_pu), 0
+
+#define PORTCR(nr, reg)						\
+	{ PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) {		\
+		PCRH(PORT##nr##_IN, PORT##nr##_IN_PD,		\
+		     PORT##nr##_IN_PU, PORT##nr##_OUT),		\
+		PORT##nr##_FN0, PORT##nr##_FN1, PORT##nr##_FN2,	\
+		PORT##nr##_FN3,	PORT##nr##_FN4, PORT##nr##_FN5,	\
+		PORT##nr##_FN6, PORT##nr##_FN7 }		\
+	}
+
+static struct pinmux_cfg_reg pinmux_config_regs[] = {
+	PORTCR(0,	0xE6051000), /* PORT0CR */
+	PORTCR(1,	0xE6051001), /* PORT1CR */
+	PORTCR(2,	0xE6051002), /* PORT2CR */
+	PORTCR(3,	0xE6051003), /* PORT3CR */
+	PORTCR(4,	0xE6051004), /* PORT4CR */
+	PORTCR(5,	0xE6051005), /* PORT5CR */
+	PORTCR(6,	0xE6051006), /* PORT6CR */
+	PORTCR(7,	0xE6051007), /* PORT7CR */
+	PORTCR(8,	0xE6051008), /* PORT8CR */
+	PORTCR(9,	0xE6051009), /* PORT9CR */
+	PORTCR(10,	0xE605100A), /* PORT10CR */
+	PORTCR(11,	0xE605100B), /* PORT11CR */
+	PORTCR(12,	0xE605100C), /* PORT12CR */
+	PORTCR(13,	0xE605100D), /* PORT13CR */
+	PORTCR(14,	0xE605100E), /* PORT14CR */
+	PORTCR(15,	0xE605100F), /* PORT15CR */
+	PORTCR(16,	0xE6051010), /* PORT16CR */
+	PORTCR(17,	0xE6051011), /* PORT17CR */
+	PORTCR(18,	0xE6051012), /* PORT18CR */
+	PORTCR(19,	0xE6051013), /* PORT19CR */
+	PORTCR(20,	0xE6051014), /* PORT20CR */
+	PORTCR(21,	0xE6051015), /* PORT21CR */
+	PORTCR(22,	0xE6051016), /* PORT22CR */
+	PORTCR(23,	0xE6051017), /* PORT23CR */
+	PORTCR(24,	0xE6051018), /* PORT24CR */
+	PORTCR(25,	0xE6051019), /* PORT25CR */
+	PORTCR(26,	0xE605101A), /* PORT26CR */
+	PORTCR(27,	0xE605101B), /* PORT27CR */
+	PORTCR(28,	0xE605101C), /* PORT28CR */
+	PORTCR(29,	0xE605101D), /* PORT29CR */
+	PORTCR(30,	0xE605101E), /* PORT30CR */
+	PORTCR(31,	0xE605101F), /* PORT31CR */
+	PORTCR(32,	0xE6051020), /* PORT32CR */
+	PORTCR(33,	0xE6051021), /* PORT33CR */
+	PORTCR(34,	0xE6051022), /* PORT34CR */
+	PORTCR(35,	0xE6051023), /* PORT35CR */
+	PORTCR(36,	0xE6051024), /* PORT36CR */
+	PORTCR(37,	0xE6051025), /* PORT37CR */
+	PORTCR(38,	0xE6051026), /* PORT38CR */
+	PORTCR(39,	0xE6051027), /* PORT39CR */
+	PORTCR(40,	0xE6051028), /* PORT40CR */
+	PORTCR(41,	0xE6051029), /* PORT41CR */
+	PORTCR(42,	0xE605102A), /* PORT42CR */
+	PORTCR(43,	0xE605102B), /* PORT43CR */
+	PORTCR(44,	0xE605102C), /* PORT44CR */
+	PORTCR(45,	0xE605102D), /* PORT45CR */
+	PORTCR(46,	0xE605202E), /* PORT46CR */
+	PORTCR(47,	0xE605202F), /* PORT47CR */
+	PORTCR(48,	0xE6052030), /* PORT48CR */
+	PORTCR(49,	0xE6052031), /* PORT49CR */
+	PORTCR(50,	0xE6052032), /* PORT50CR */
+	PORTCR(51,	0xE6052033), /* PORT51CR */
+	PORTCR(52,	0xE6052034), /* PORT52CR */
+	PORTCR(53,	0xE6052035), /* PORT53CR */
+	PORTCR(54,	0xE6052036), /* PORT54CR */
+	PORTCR(55,	0xE6052037), /* PORT55CR */
+	PORTCR(56,	0xE6052038), /* PORT56CR */
+	PORTCR(57,	0xE6052039), /* PORT57CR */
+	PORTCR(58,	0xE605203A), /* PORT58CR */
+	PORTCR(59,	0xE605203B), /* PORT59CR */
+	PORTCR(60,	0xE605203C), /* PORT60CR */
+	PORTCR(61,	0xE605203D), /* PORT61CR */
+	PORTCR(62,	0xE605203E), /* PORT62CR */
+	PORTCR(63,	0xE605203F), /* PORT63CR */
+	PORTCR(64,	0xE6052040), /* PORT64CR */
+	PORTCR(65,	0xE6052041), /* PORT65CR */
+	PORTCR(66,	0xE6052042), /* PORT66CR */
+	PORTCR(67,	0xE6052043), /* PORT67CR */
+	PORTCR(68,	0xE6052044), /* PORT68CR */
+	PORTCR(69,	0xE6052045), /* PORT69CR */
+	PORTCR(70,	0xE6052046), /* PORT70CR */
+	PORTCR(71,	0xE6052047), /* PORT71CR */
+	PORTCR(72,	0xE6052048), /* PORT72CR */
+	PORTCR(73,	0xE6052049), /* PORT73CR */
+	PORTCR(74,	0xE605204A), /* PORT74CR */
+	PORTCR(75,	0xE605204B), /* PORT75CR */
+	PORTCR(76,	0xE605004C), /* PORT76CR */
+	PORTCR(77,	0xE605004D), /* PORT77CR */
+	PORTCR(78,	0xE605004E), /* PORT78CR */
+	PORTCR(79,	0xE605004F), /* PORT79CR */
+	PORTCR(80,	0xE6050050), /* PORT80CR */
+	PORTCR(81,	0xE6050051), /* PORT81CR */
+	PORTCR(82,	0xE6050052), /* PORT82CR */
+	PORTCR(83,	0xE6050053), /* PORT83CR */
+	PORTCR(84,	0xE6050054), /* PORT84CR */
+	PORTCR(85,	0xE6050055), /* PORT85CR */
+	PORTCR(86,	0xE6050056), /* PORT86CR */
+	PORTCR(87,	0xE6050057), /* PORT87CR */
+	PORTCR(88,	0xE6050058), /* PORT88CR */
+	PORTCR(89,	0xE6050059), /* PORT89CR */
+	PORTCR(90,	0xE605005A), /* PORT90CR */
+	PORTCR(91,	0xE605005B), /* PORT91CR */
+	PORTCR(92,	0xE605005C), /* PORT92CR */
+	PORTCR(93,	0xE605005D), /* PORT93CR */
+	PORTCR(94,	0xE605005E), /* PORT94CR */
+	PORTCR(95,	0xE605005F), /* PORT95CR */
+	PORTCR(96,	0xE6050060), /* PORT96CR */
+	PORTCR(97,	0xE6050061), /* PORT97CR */
+	PORTCR(98,	0xE6050062), /* PORT98CR */
+	PORTCR(99,	0xE6050063), /* PORT99CR */
+	PORTCR(100,	0xE6053064), /* PORT100CR */
+	PORTCR(101,	0xE6053065), /* PORT101CR */
+	PORTCR(102,	0xE6053066), /* PORT102CR */
+	PORTCR(103,	0xE6053067), /* PORT103CR */
+	PORTCR(104,	0xE6053068), /* PORT104CR */
+	PORTCR(105,	0xE6053069), /* PORT105CR */
+	PORTCR(106,	0xE605306A), /* PORT106CR */
+	PORTCR(107,	0xE605306B), /* PORT107CR */
+	PORTCR(108,	0xE605306C), /* PORT108CR */
+	PORTCR(109,	0xE605306D), /* PORT109CR */
+	PORTCR(110,	0xE605306E), /* PORT110CR */
+	PORTCR(111,	0xE605306F), /* PORT111CR */
+	PORTCR(112,	0xE6053070), /* PORT112CR */
+	PORTCR(113,	0xE6053071), /* PORT113CR */
+	PORTCR(114,	0xE6053072), /* PORT114CR */
+	PORTCR(115,	0xE6053073), /* PORT115CR */
+	PORTCR(116,	0xE6053074), /* PORT116CR */
+	PORTCR(117,	0xE6053075), /* PORT117CR */
+	PORTCR(118,	0xE6053076), /* PORT118CR */
+	PORTCR(119,	0xE6053077), /* PORT119CR */
+	PORTCR(120,	0xE6053078), /* PORT120CR */
+	PORTCR(121,	0xE6050079), /* PORT121CR */
+	PORTCR(122,	0xE605007A), /* PORT122CR */
+	PORTCR(123,	0xE605007B), /* PORT123CR */
+	PORTCR(124,	0xE605007C), /* PORT124CR */
+	PORTCR(125,	0xE605007D), /* PORT125CR */
+	PORTCR(126,	0xE605007E), /* PORT126CR */
+	PORTCR(127,	0xE605007F), /* PORT127CR */
+	PORTCR(128,	0xE6050080), /* PORT128CR */
+	PORTCR(129,	0xE6050081), /* PORT129CR */
+	PORTCR(130,	0xE6050082), /* PORT130CR */
+	PORTCR(131,	0xE6050083), /* PORT131CR */
+	PORTCR(132,	0xE6050084), /* PORT132CR */
+	PORTCR(133,	0xE6050085), /* PORT133CR */
+	PORTCR(134,	0xE6050086), /* PORT134CR */
+	PORTCR(135,	0xE6050087), /* PORT135CR */
+	PORTCR(136,	0xE6050088), /* PORT136CR */
+	PORTCR(137,	0xE6050089), /* PORT137CR */
+	PORTCR(138,	0xE605008A), /* PORT138CR */
+	PORTCR(139,	0xE605008B), /* PORT139CR */
+	PORTCR(140,	0xE605008C), /* PORT140CR */
+	PORTCR(141,	0xE605008D), /* PORT141CR */
+	PORTCR(142,	0xE605008E), /* PORT142CR */
+	PORTCR(143,	0xE605008F), /* PORT143CR */
+	PORTCR(144,	0xE6050090), /* PORT144CR */
+	PORTCR(145,	0xE6050091), /* PORT145CR */
+	PORTCR(146,	0xE6050092), /* PORT146CR */
+	PORTCR(147,	0xE6050093), /* PORT147CR */
+	PORTCR(148,	0xE6050094), /* PORT148CR */
+	PORTCR(149,	0xE6050095), /* PORT149CR */
+	PORTCR(150,	0xE6050096), /* PORT150CR */
+	PORTCR(151,	0xE6050097), /* PORT151CR */
+	PORTCR(152,	0xE6053098), /* PORT152CR */
+	PORTCR(153,	0xE6053099), /* PORT153CR */
+	PORTCR(154,	0xE605309A), /* PORT154CR */
+	PORTCR(155,	0xE605309B), /* PORT155CR */
+	PORTCR(156,	0xE605009C), /* PORT156CR */
+	PORTCR(157,	0xE605009D), /* PORT157CR */
+	PORTCR(158,	0xE605009E), /* PORT158CR */
+	PORTCR(159,	0xE605009F), /* PORT159CR */
+	PORTCR(160,	0xE60500A0), /* PORT160CR */
+	PORTCR(161,	0xE60500A1), /* PORT161CR */
+	PORTCR(162,	0xE60500A2), /* PORT162CR */
+	PORTCR(163,	0xE60500A3), /* PORT163CR */
+	PORTCR(164,	0xE60500A4), /* PORT164CR */
+	PORTCR(165,	0xE60500A5), /* PORT165CR */
+	PORTCR(166,	0xE60500A6), /* PORT166CR */
+	PORTCR(167,	0xE60520A7), /* PORT167CR */
+	PORTCR(168,	0xE60520A8), /* PORT168CR */
+	PORTCR(169,	0xE60520A9), /* PORT169CR */
+	PORTCR(170,	0xE60520AA), /* PORT170CR */
+	PORTCR(171,	0xE60520AB), /* PORT171CR */
+	PORTCR(172,	0xE60520AC), /* PORT172CR */
+	PORTCR(173,	0xE60520AD), /* PORT173CR */
+	PORTCR(174,	0xE60520AE), /* PORT174CR */
+	PORTCR(175,	0xE60520AF), /* PORT175CR */
+	PORTCR(176,	0xE60520B0), /* PORT176CR */
+	PORTCR(177,	0xE60520B1), /* PORT177CR */
+	PORTCR(178,	0xE60520B2), /* PORT178CR */
+	PORTCR(179,	0xE60520B3), /* PORT179CR */
+	PORTCR(180,	0xE60520B4), /* PORT180CR */
+	PORTCR(181,	0xE60520B5), /* PORT181CR */
+	PORTCR(182,	0xE60520B6), /* PORT182CR */
+	PORTCR(183,	0xE60520B7), /* PORT183CR */
+	PORTCR(184,	0xE60520B8), /* PORT184CR */
+	PORTCR(185,	0xE60520B9), /* PORT185CR */
+	PORTCR(186,	0xE60520BA), /* PORT186CR */
+	PORTCR(187,	0xE60520BB), /* PORT187CR */
+	PORTCR(188,	0xE60520BC), /* PORT188CR */
+	PORTCR(189,	0xE60520BD), /* PORT189CR */
+	PORTCR(190,	0xE60520BE), /* PORT190CR */
+
+	{ PINMUX_CFG_REG("MSEL1CR", 0xE605800C, 32, 1) {
+			MSEL1CR_31_0,	MSEL1CR_31_1,
+			MSEL1CR_30_0,	MSEL1CR_30_1,
+			MSEL1CR_29_0,	MSEL1CR_29_1,
+			MSEL1CR_28_0,	MSEL1CR_28_1,
+			MSEL1CR_27_0,	MSEL1CR_27_1,
+			MSEL1CR_26_0,	MSEL1CR_26_1,
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0,
+			MSEL1CR_16_0,	MSEL1CR_16_1,
+			MSEL1CR_15_0,	MSEL1CR_15_1,
+			MSEL1CR_14_0,	MSEL1CR_14_1,
+			MSEL1CR_13_0,	MSEL1CR_13_1,
+			MSEL1CR_12_0,	MSEL1CR_12_1,
+			0, 0, 0, 0,
+			MSEL1CR_9_0,	MSEL1CR_9_1,
+			MSEL1CR_8_0,	MSEL1CR_8_1,
+			MSEL1CR_7_0,	MSEL1CR_7_1,
+			MSEL1CR_6_0,	MSEL1CR_6_1,
+			0, 0,
+			MSEL1CR_4_0,	MSEL1CR_4_1,
+			MSEL1CR_3_0,	MSEL1CR_3_1,
+			MSEL1CR_2_0,	MSEL1CR_2_1,
+			0, 0,
+			MSEL1CR_0_0,	MSEL1CR_0_1,
+		}
+	},
+	{ PINMUX_CFG_REG("MSEL3CR", 0xE6058020, 32, 1) {
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			MSEL3CR_27_0,	MSEL3CR_27_1,
+			MSEL3CR_26_0,	MSEL3CR_26_1,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			MSEL3CR_21_0,	MSEL3CR_21_1,
+			MSEL3CR_20_0,	MSEL3CR_20_1,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			MSEL3CR_15_0,	MSEL3CR_15_1,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0,
+			MSEL3CR_9_0,	MSEL3CR_9_1,
+			0, 0, 0, 0,
+			MSEL3CR_6_0,	MSEL3CR_6_1,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			}
+	},
+	{ PINMUX_CFG_REG("MSEL4CR", 0xE6058024, 32, 1) {
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			MSEL4CR_19_0,	MSEL4CR_19_1,
+			MSEL4CR_18_0,	MSEL4CR_18_1,
+			MSEL4CR_17_0,	MSEL4CR_17_1,
+			MSEL4CR_16_0,	MSEL4CR_16_1,
+			MSEL4CR_15_0,	MSEL4CR_15_1,
+			MSEL4CR_14_0,	MSEL4CR_14_1,
+			0, 0, 0, 0,
+			0, 0,
+			MSEL4CR_10_0,	MSEL4CR_10_1,
+			0, 0, 0, 0,
+			0, 0,
+			MSEL4CR_6_0,	MSEL4CR_6_1,
+			0, 0,
+			MSEL4CR_4_0,	MSEL4CR_4_1,
+			0, 0, 0, 0,
+			MSEL4CR_1_0,	MSEL4CR_1_1,
+			0, 0,
+		}
+	},
+	{ },
+};
+
+static struct pinmux_data_reg pinmux_data_regs[] = {
+	{ PINMUX_DATA_REG("PORTL095_064DR", 0xE6054008, 32) {
+			PORT95_DATA, PORT94_DATA, PORT93_DATA, PORT92_DATA,
+			PORT91_DATA, PORT90_DATA, PORT89_DATA, PORT88_DATA,
+			PORT87_DATA, PORT86_DATA, PORT85_DATA, PORT84_DATA,
+			PORT83_DATA, PORT82_DATA, PORT81_DATA, PORT80_DATA,
+			PORT79_DATA, PORT78_DATA, PORT77_DATA, PORT76_DATA,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+		}
+	},
+	{ PINMUX_DATA_REG("PORTL127_096DR", 0xE605400C, 32) {
+			PORT127_DATA, PORT126_DATA, PORT125_DATA, PORT124_DATA,
+			PORT123_DATA, PORT122_DATA, PORT121_DATA, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			PORT99_DATA,  PORT98_DATA,  PORT97_DATA,  PORT96_DATA,
+		}
+	},
+	{ PINMUX_DATA_REG("PORTL159_128DR", 0xE6054010, 32) {
+			PORT159_DATA, PORT158_DATA, PORT157_DATA, PORT156_DATA,
+			0, 0, 0, 0,
+			PORT151_DATA, PORT150_DATA, PORT149_DATA, PORT148_DATA,
+			PORT147_DATA, PORT146_DATA, PORT145_DATA, PORT144_DATA,
+			PORT143_DATA, PORT142_DATA, PORT141_DATA, PORT140_DATA,
+			PORT139_DATA, PORT138_DATA, PORT137_DATA, PORT136_DATA,
+			PORT135_DATA, PORT134_DATA, PORT133_DATA, PORT132_DATA,
+			PORT131_DATA, PORT130_DATA, PORT129_DATA, PORT128_DATA,
+		}
+	},
+	{ PINMUX_DATA_REG("PORTL191_160DR", 0xE6054014, 32) {
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0,	      PORT166_DATA, PORT165_DATA, PORT164_DATA,
+			PORT163_DATA, PORT162_DATA, PORT161_DATA, PORT160_DATA,
+		}
+	},
+	{ PINMUX_DATA_REG("PORTD031_000DR", 0xE6055000, 32) {
+			PORT31_DATA, PORT30_DATA, PORT29_DATA, PORT28_DATA,
+			PORT27_DATA, PORT26_DATA, PORT25_DATA, PORT24_DATA,
+			PORT23_DATA, PORT22_DATA, PORT21_DATA, PORT20_DATA,
+			PORT19_DATA, PORT18_DATA, PORT17_DATA, PORT16_DATA,
+			PORT15_DATA, PORT14_DATA, PORT13_DATA, PORT12_DATA,
+			PORT11_DATA, PORT10_DATA, PORT9_DATA,  PORT8_DATA,
+			PORT7_DATA,  PORT6_DATA,  PORT5_DATA,  PORT4_DATA,
+			PORT3_DATA,  PORT2_DATA,  PORT1_DATA,  PORT0_DATA,
+		}
+	},
+	{ PINMUX_DATA_REG("PORTD063_032DR", 0xE6055004, 32) {
+			0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0,
+			0,           0,           PORT45_DATA, PORT44_DATA,
+			PORT43_DATA, PORT42_DATA, PORT41_DATA, PORT40_DATA,
+			PORT39_DATA, PORT38_DATA, PORT37_DATA, PORT36_DATA,
+			PORT35_DATA, PORT34_DATA, PORT33_DATA, PORT32_DATA,
+		}
+	},
+	{ PINMUX_DATA_REG("PORTR063_032DR", 0xE6056004, 32) {
+			PORT63_DATA, PORT62_DATA, PORT61_DATA, PORT60_DATA,
+			PORT59_DATA, PORT58_DATA, PORT57_DATA, PORT56_DATA,
+			PORT55_DATA, PORT54_DATA, PORT53_DATA, PORT52_DATA,
+			PORT51_DATA, PORT50_DATA, PORT49_DATA, PORT48_DATA,
+			PORT47_DATA, PORT46_DATA, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+		}
+	},
+	{ PINMUX_DATA_REG("PORTR095_064DR", 0xE6056008, 32) {
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			PORT75_DATA, PORT74_DATA, PORT73_DATA, PORT72_DATA,
+			PORT71_DATA, PORT70_DATA, PORT69_DATA, PORT68_DATA,
+			PORT67_DATA, PORT66_DATA, PORT65_DATA, PORT64_DATA,
+		}
+	},
+	{ PINMUX_DATA_REG("PORTR191_160DR", 0xE6056014, 32) {
+			0,	      PORT190_DATA, PORT189_DATA, PORT188_DATA,
+			PORT187_DATA, PORT186_DATA, PORT185_DATA, PORT184_DATA,
+			PORT183_DATA, PORT182_DATA, PORT181_DATA, PORT180_DATA,
+			PORT179_DATA, PORT178_DATA, PORT177_DATA, PORT176_DATA,
+			PORT175_DATA, PORT174_DATA, PORT173_DATA, PORT172_DATA,
+			PORT171_DATA, PORT170_DATA, PORT169_DATA, PORT168_DATA,
+			PORT167_DATA, 0, 0, 0,
+			0, 0, 0, 0,
+		}
+	},
+	{ PINMUX_DATA_REG("PORTU127_096DR", 0xE605700C, 32) {
+			0, 0, 0, 0,
+			0, 0, 0, PORT120_DATA,
+			PORT119_DATA, PORT118_DATA, PORT117_DATA, PORT116_DATA,
+			PORT115_DATA, PORT114_DATA, PORT113_DATA, PORT112_DATA,
+			PORT111_DATA, PORT110_DATA, PORT109_DATA, PORT108_DATA,
+			PORT107_DATA, PORT106_DATA, PORT105_DATA, PORT104_DATA,
+			PORT103_DATA, PORT102_DATA, PORT101_DATA, PORT100_DATA,
+			0, 0, 0, 0,
+		}
+	},
+	{ PINMUX_DATA_REG("PORTU159_128DR", 0xE6057010, 32) {
+			0, 0, 0, 0,
+			PORT155_DATA, PORT154_DATA, PORT153_DATA, PORT152_DATA,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+		}
+	},
+	{ },
+};
+
+static struct pinmux_info sh7372_pinmux_info = {
+	.name = "sh7372_pfc",
+	.reserved_id = PINMUX_RESERVED,
+	.data = { PINMUX_DATA_BEGIN, PINMUX_DATA_END },
+	.input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END },
+	.input_pu = { PINMUX_INPUT_PULLUP_BEGIN, PINMUX_INPUT_PULLUP_END },
+	.input_pd = { PINMUX_INPUT_PULLDOWN_BEGIN, PINMUX_INPUT_PULLDOWN_END },
+	.output = { PINMUX_OUTPUT_BEGIN, PINMUX_OUTPUT_END },
+	.mark = { PINMUX_MARK_BEGIN, PINMUX_MARK_END },
+	.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
+
+	.first_gpio = GPIO_PORT0,
+	.last_gpio = GPIO_FN_SDENC_DV_CLKI,
+
+	.gpios = pinmux_gpios,
+	.cfg_regs = pinmux_config_regs,
+	.data_regs = pinmux_data_regs,
+
+	.gpio_data = pinmux_data,
+	.gpio_data_size = ARRAY_SIZE(pinmux_data),
+};
+
+void sh7372_pinmux_init(void)
+{
+	register_pinmux(&sh7372_pinmux_info);
+}
diff --git a/arch/arm/mach-shmobile/pfc-sh7377.c b/arch/arm/mach-shmobile/pfc-sh7377.c
new file mode 100644
index 000000000000..613e6842ad05
--- /dev/null
+++ b/arch/arm/mach-shmobile/pfc-sh7377.c
@@ -0,0 +1,1767 @@
+/*
+ * sh7377 processor support - PFC hardware block
+ *
+ * Copyright (C) 2010  NISHIMOTO Hiroki
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; version 2 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <mach/sh7377.h>
+
+#define _1(fn, pfx, sfx) fn(pfx, sfx)
+
+#define _10(fn, pfx, sfx)				\
+	_1(fn, pfx##0, sfx), _1(fn, pfx##1, sfx),	\
+	_1(fn, pfx##2, sfx), _1(fn, pfx##3, sfx),	\
+	_1(fn, pfx##4, sfx), _1(fn, pfx##5, sfx),	\
+	_1(fn, pfx##6, sfx), _1(fn, pfx##7, sfx),	\
+	_1(fn, pfx##8, sfx), _1(fn, pfx##9, sfx)
+
+#define _90(fn, pfx, sfx)				\
+	_10(fn, pfx##1, sfx), _10(fn, pfx##2, sfx),	\
+	_10(fn, pfx##3, sfx), _10(fn, pfx##4, sfx),	\
+	_10(fn, pfx##5, sfx), _10(fn, pfx##6, sfx),	\
+	_10(fn, pfx##7, sfx), _10(fn, pfx##8, sfx),	\
+	_10(fn, pfx##9, sfx)
+
+#define _265(fn, pfx, sfx)				\
+	_10(fn, pfx, sfx), _90(fn, pfx, sfx),		\
+	_10(fn, pfx##10, sfx),				\
+	_1(fn, pfx##110, sfx), _1(fn, pfx##111, sfx),	\
+	_1(fn, pfx##112, sfx), _1(fn, pfx##113, sfx),	\
+	_1(fn, pfx##114, sfx), _1(fn, pfx##115, sfx),	\
+	_1(fn, pfx##116, sfx), _1(fn, pfx##117, sfx),	\
+	_1(fn, pfx##118, sfx),				\
+	_1(fn, pfx##128, sfx), _1(fn, pfx##129, sfx),	\
+	_10(fn, pfx##13, sfx), _10(fn, pfx##14, sfx),	\
+	_10(fn, pfx##15, sfx),				\
+	_1(fn, pfx##160, sfx), _1(fn, pfx##161, sfx),	\
+	_1(fn, pfx##162, sfx), _1(fn, pfx##163, sfx),	\
+	_1(fn, pfx##164, sfx),				\
+	_1(fn, pfx##192, sfx), _1(fn, pfx##193, sfx),	\
+	_1(fn, pfx##194, sfx), _1(fn, pfx##195, sfx),	\
+	_1(fn, pfx##196, sfx), _1(fn, pfx##197, sfx),	\
+	_1(fn, pfx##198, sfx), _1(fn, pfx##199, sfx),	\
+	_10(fn, pfx##20, sfx), _10(fn, pfx##21, sfx),	\
+	_10(fn, pfx##22, sfx), _10(fn, pfx##23, sfx),	\
+	_10(fn, pfx##24, sfx), _10(fn, pfx##25, sfx),	\
+	_1(fn, pfx##260, sfx), _1(fn, pfx##261, sfx),	\
+	_1(fn, pfx##262, sfx), _1(fn, pfx##263, sfx),	\
+	_1(fn, pfx##264, sfx)
+
+#define _PORT(pfx, sfx) pfx##_##sfx
+#define PORT_265(str) _265(_PORT, PORT, str)
+
+enum {
+	PINMUX_RESERVED = 0,
+
+	PINMUX_DATA_BEGIN,
+	PORT_265(DATA), /* PORT0_DATA -> PORT264_DATA */
+	PINMUX_DATA_END,
+
+	PINMUX_INPUT_BEGIN,
+	PORT_265(IN), /* PORT0_IN -> PORT264_IN */
+	PINMUX_INPUT_END,
+
+	PINMUX_INPUT_PULLUP_BEGIN,
+	PORT_265(IN_PU), /* PORT0_IN_PU -> PORT264_IN_PU */
+	PINMUX_INPUT_PULLUP_END,
+
+	PINMUX_INPUT_PULLDOWN_BEGIN,
+	PORT_265(IN_PD), /* PORT0_IN_PD -> PORT264_IN_PD */
+	PINMUX_INPUT_PULLDOWN_END,
+
+	PINMUX_OUTPUT_BEGIN,
+	PORT_265(OUT), /* PORT0_OUT -> PORT264_OUT */
+	PINMUX_OUTPUT_END,
+
+	PINMUX_FUNCTION_BEGIN,
+	PORT_265(FN_IN), /* PORT0_FN_IN -> PORT264_FN_IN */
+	PORT_265(FN_OUT), /* PORT0_FN_OUT -> PORT264_FN_OUT */
+	PORT_265(FN0), /* PORT0_FN0 -> PORT264_FN0 */
+	PORT_265(FN1), /* PORT0_FN1 -> PORT264_FN1 */
+	PORT_265(FN2), /* PORT0_FN2 -> PORT264_FN2 */
+	PORT_265(FN3), /* PORT0_FN3 -> PORT264_FN3 */
+	PORT_265(FN4), /* PORT0_FN4 -> PORT264_FN4 */
+	PORT_265(FN5), /* PORT0_FN5 -> PORT264_FN5 */
+	PORT_265(FN6), /* PORT0_FN6 -> PORT264_FN6 */
+	PORT_265(FN7), /* PORT0_FN7 -> PORT264_FN7 */
+
+	MSELBCR_MSEL17_1, MSELBCR_MSEL17_0,
+	MSELBCR_MSEL16_1, MSELBCR_MSEL16_0,
+	PINMUX_FUNCTION_END,
+
+	PINMUX_MARK_BEGIN,
+	/* Special Pull-up / Pull-down Functions */
+	PORT66_KEYIN0_PU_MARK, PORT67_KEYIN1_PU_MARK,
+	PORT68_KEYIN2_PU_MARK, PORT69_KEYIN3_PU_MARK,
+	PORT70_KEYIN4_PU_MARK, PORT71_KEYIN5_PU_MARK,
+	PORT72_KEYIN6_PU_MARK,
+
+	/* 55-1 */
+	VBUS_0_MARK,
+	CPORT0_MARK,
+	CPORT1_MARK,
+	CPORT2_MARK,
+	CPORT3_MARK,
+	CPORT4_MARK,
+	CPORT5_MARK,
+	CPORT6_MARK,
+	CPORT7_MARK,
+	CPORT8_MARK,
+	CPORT9_MARK,
+	CPORT10_MARK,
+	CPORT11_MARK, SIN2_MARK,
+	CPORT12_MARK, XCTS2_MARK,
+	CPORT13_MARK, RFSPO4_MARK,
+	CPORT14_MARK, RFSPO5_MARK,
+	CPORT15_MARK, SCIFA0_SCK_MARK, GPS_AGC2_MARK,
+	CPORT16_MARK, SCIFA0_TXD_MARK, GPS_AGC3_MARK,
+	CPORT17_IC_OE_MARK, SOUT2_MARK,
+	CPORT18_MARK, XRTS2_MARK, PORT19_VIO_CKO2_MARK,
+	CPORT19_MPORT1_MARK,
+	CPORT20_MARK, RFSPO6_MARK,
+	CPORT21_MARK, STATUS0_MARK,
+	CPORT22_MARK, STATUS1_MARK,
+	CPORT23_MARK, STATUS2_MARK, RFSPO7_MARK,
+	B_SYNLD1_MARK,
+	B_SYNLD2_MARK, SYSENMSK_MARK,
+	XMAINPS_MARK,
+	XDIVPS_MARK,
+	XIDRST_MARK,
+	IDCLK_MARK, IC_DP_MARK,
+	IDIO_MARK, IC_DM_MARK,
+	SOUT1_MARK, SCIFA4_TXD_MARK, M02_BERDAT_MARK,
+	SIN1_MARK, SCIFA4_RXD_MARK, XWUP_MARK,
+	XRTS1_MARK, SCIFA4_RTS_MARK, M03_BERCLK_MARK,
+	XCTS1_MARK, SCIFA4_CTS_MARK,
+	PCMCLKO_MARK,
+	SYNC8KO_MARK,
+
+	/* 55-2 */
+	DNPCM_A_MARK,
+	UPPCM_A_MARK,
+	VACK_MARK,
+	XTALB1L_MARK,
+	GPS_AGC1_MARK, SCIFA0_RTS_MARK,
+	GPS_AGC4_MARK, SCIFA0_RXD_MARK,
+	GPS_PWRDOWN_MARK, SCIFA0_CTS_MARK,
+	GPS_IM_MARK,
+	GPS_IS_MARK,
+	GPS_QM_MARK,
+	GPS_QS_MARK,
+	FMSOCK_MARK, PORT49_IRDA_OUT_MARK, PORT49_IROUT_MARK,
+	FMSOOLR_MARK, BBIF2_TSYNC2_MARK, TPU2TO2_MARK, IPORT3_MARK,
+	FMSIOLR_MARK,
+	FMSOOBT_MARK, BBIF2_TSCK2_MARK, TPU2TO3_MARK, OPORT1_MARK,
+	FMSIOBT_MARK,
+	FMSOSLD_MARK, BBIF2_TXD2_MARK, OPORT2_MARK,
+	FMSOILR_MARK, PORT53_IRDA_IN_MARK, TPU3TO3_MARK, OPORT3_MARK,
+	FMSIILR_MARK,
+	FMSOIBT_MARK, PORT54_IRDA_FIRSEL_MARK, TPU3TO2_MARK, FMSIIBT_MARK,
+	FMSISLD_MARK, MFG0_OUT1_MARK, TPU0TO0_MARK,
+	A0_EA0_MARK, BS_MARK,
+	A12_EA12_MARK, PORT58_VIO_CKOR_MARK, TPU4TO2_MARK,
+	A13_EA13_MARK, PORT59_IROUT_MARK, MFG0_OUT2_MARK, TPU0TO1_MARK,
+	A14_EA14_MARK, PORT60_KEYOUT5_MARK,
+	A15_EA15_MARK, PORT61_KEYOUT4_MARK,
+	A16_EA16_MARK, PORT62_KEYOUT3_MARK, MSIOF0_SS1_MARK,
+	A17_EA17_MARK, PORT63_KEYOUT2_MARK, MSIOF0_TSYNC_MARK,
+	A18_EA18_MARK, PORT64_KEYOUT1_MARK, MSIOF0_TSCK_MARK,
+	A19_EA19_MARK, PORT65_KEYOUT0_MARK, MSIOF0_TXD_MARK,
+	A20_EA20_MARK, PORT66_KEYIN0_MARK, MSIOF0_RSCK_MARK,
+	A21_EA21_MARK, PORT67_KEYIN1_MARK, MSIOF0_RSYNC_MARK,
+	A22_EA22_MARK, PORT68_KEYIN2_MARK, MSIOF0_MCK0_MARK,
+	A23_EA23_MARK, PORT69_KEYIN3_MARK, MSIOF0_MCK1_MARK,
+	A24_EA24_MARK, PORT70_KEYIN4_MARK, MSIOF0_RXD_MARK,
+	A25_EA25_MARK, PORT71_KEYIN5_MARK, MSIOF0_SS2_MARK,
+	A26_MARK, PORT72_KEYIN6_MARK,
+	D0_ED0_NAF0_MARK,
+	D1_ED1_NAF1_MARK,
+	D2_ED2_NAF2_MARK,
+	D3_ED3_NAF3_MARK,
+	D4_ED4_NAF4_MARK,
+	D5_ED5_NAF5_MARK,
+	D6_ED6_NAF6_MARK,
+	D7_ED7_NAF7_MARK,
+	D8_ED8_NAF8_MARK,
+	D9_ED9_NAF9_MARK,
+	D10_ED10_NAF10_MARK,
+	D11_ED11_NAF11_MARK,
+	D12_ED12_NAF12_MARK,
+	D13_ED13_NAF13_MARK,
+	D14_ED14_NAF14_MARK,
+	D15_ED15_NAF15_MARK,
+	CS4_MARK,
+	CS5A_MARK, FMSICK_MARK,
+	CS5B_MARK, FCE1_MARK,
+
+	/* 55-3 */
+	CS6B_MARK, XCS2_MARK, CS6A_MARK, DACK0_MARK,
+	FCE0_MARK,
+	WAIT_MARK, DREQ0_MARK,
+	RD_XRD_MARK,
+	WE0_XWR0_FWE_MARK,
+	WE1_XWR1_MARK,
+	FRB_MARK,
+	CKO_MARK,
+	NBRSTOUT_MARK,
+	NBRST_MARK,
+	GPS_EPPSIN_MARK,
+	LATCHPULSE_MARK,
+	LTESIGNAL_MARK,
+	LEGACYSTATE_MARK,
+	TCKON_MARK,
+	VIO_VD_MARK, PORT128_KEYOUT0_MARK, IPORT0_MARK,
+	VIO_HD_MARK, PORT129_KEYOUT1_MARK, IPORT1_MARK,
+	VIO_D0_MARK, PORT130_KEYOUT2_MARK, PORT130_MSIOF2_RXD_MARK,
+	VIO_D1_MARK, PORT131_KEYOUT3_MARK, PORT131_MSIOF2_SS1_MARK,
+	VIO_D2_MARK, PORT132_KEYOUT4_MARK, PORT132_MSIOF2_SS2_MARK,
+	VIO_D3_MARK, PORT133_KEYOUT5_MARK, PORT133_MSIOF2_TSYNC_MARK,
+	VIO_D4_MARK, PORT134_KEYIN0_MARK, PORT134_MSIOF2_TXD_MARK,
+	VIO_D5_MARK, PORT135_KEYIN1_MARK, PORT135_MSIOF2_TSCK_MARK,
+	VIO_D6_MARK, PORT136_KEYIN2_MARK,
+	VIO_D7_MARK, PORT137_KEYIN3_MARK,
+	VIO_D8_MARK, M9_SLCD_A01_MARK, PORT138_FSIAOMC_MARK,
+	VIO_D9_MARK, M10_SLCD_CK1_MARK, PORT139_FSIAOLR_MARK,
+	VIO_D10_MARK, M11_SLCD_SO1_MARK, TPU0TO2_MARK, PORT140_FSIAOBT_MARK,
+	VIO_D11_MARK, M12_SLCD_CE1_MARK, TPU0TO3_MARK, PORT141_FSIAOSLD_MARK,
+	VIO_D12_MARK, M13_BSW_MARK, PORT142_FSIACK_MARK,
+	VIO_D13_MARK, M14_GSW_MARK, PORT143_FSIAILR_MARK,
+	VIO_D14_MARK, M15_RSW_MARK, PORT144_FSIAIBT_MARK,
+	VIO_D15_MARK, TPU1TO3_MARK, PORT145_FSIAISLD_MARK,
+	VIO_CLK_MARK, PORT146_KEYIN4_MARK, IPORT2_MARK,
+	VIO_FIELD_MARK, PORT147_KEYIN5_MARK,
+	VIO_CKO_MARK, PORT148_KEYIN6_MARK,
+	A27_MARK, RDWR_XWE_MARK, MFG0_IN1_MARK,
+	MFG0_IN2_MARK,
+	TS_SPSYNC3_MARK, MSIOF2_RSCK_MARK,
+	TS_SDAT3_MARK, MSIOF2_RSYNC_MARK,
+	TPU1TO2_MARK, TS_SDEN3_MARK, PORT153_MSIOF2_SS1_MARK,
+	SOUT3_MARK, SCIFA2_TXD1_MARK, MSIOF2_MCK0_MARK,
+	SIN3_MARK, SCIFA2_RXD1_MARK, MSIOF2_MCK1_MARK,
+	XRTS3_MARK, SCIFA2_RTS1_MARK, PORT156_MSIOF2_SS2_MARK,
+	XCTS3_MARK, SCIFA2_CTS1_MARK, PORT157_MSIOF2_RXD_MARK,
+
+	/* 55-4 */
+	DINT_MARK, SCIFA2_SCK1_MARK, TS_SCK3_MARK,
+	PORT159_SCIFB_SCK_MARK, PORT159_SCIFA5_SCK_MARK, NMI_MARK,
+	PORT160_SCIFB_TXD_MARK, PORT160_SCIFA5_TXD_MARK, SOUT0_MARK,
+	PORT161_SCIFB_CTS_MARK, PORT161_SCIFA5_CTS_MARK, XCTS0_MARK,
+	MFG3_IN2_MARK,
+	PORT162_SCIFB_RXD_MARK, PORT162_SCIFA5_RXD_MARK, SIN0_MARK,
+	MFG3_IN1_MARK,
+	PORT163_SCIFB_RTS_MARK, PORT163_SCIFA5_RTS_MARK, XRTS0_MARK,
+	MFG3_OUT1_MARK, TPU3TO0_MARK,
+	LCDD0_MARK, PORT192_KEYOUT0_MARK, EXT_CKI_MARK,
+	LCDD1_MARK, PORT193_KEYOUT1_MARK, PORT193_SCIFA5_CTS_MARK,
+	BBIF2_TSYNC1_MARK,
+	LCDD2_MARK, PORT194_KEYOUT2_MARK, PORT194_SCIFA5_RTS_MARK,
+	BBIF2_TSCK1_MARK,
+	LCDD3_MARK, PORT195_KEYOUT3_MARK, PORT195_SCIFA5_RXD_MARK,
+	BBIF2_TXD1_MARK,
+	LCDD4_MARK, PORT196_KEYOUT4_MARK, PORT196_SCIFA5_TXD_MARK,
+	LCDD5_MARK, PORT197_KEYOUT5_MARK, PORT197_SCIFA5_SCK_MARK,
+	MFG2_OUT2_MARK,
+	TPU2TO1_MARK,
+	LCDD6_MARK, XWR2_MARK,
+	LCDD7_MARK, TPU4TO1_MARK, MFG4_OUT2_MARK, XWR3_MARK,
+	LCDD8_MARK, PORT200_KEYIN0_MARK, VIO_DR0_MARK, D16_MARK, ED16_MARK,
+	LCDD9_MARK, PORT201_KEYIN1_MARK, VIO_DR1_MARK, D17_MARK, ED17_MARK,
+	LCDD10_MARK, PORT202_KEYIN2_MARK, VIO_DR2_MARK, D18_MARK, ED18_MARK,
+	LCDD11_MARK, PORT203_KEYIN3_MARK, VIO_DR3_MARK, D19_MARK, ED19_MARK,
+	LCDD12_MARK, PORT204_KEYIN4_MARK, VIO_DR4_MARK, D20_MARK, ED20_MARK,
+	LCDD13_MARK, PORT205_KEYIN5_MARK, VIO_DR5_MARK, D21_MARK, ED21_MARK,
+	LCDD14_MARK, PORT206_KEYIN6_MARK, VIO_DR6_MARK, D22_MARK, ED22_MARK,
+	LCDD15_MARK, PORT207_MSIOF0L_SS1_MARK, PORT207_KEYOUT0_MARK,
+	VIO_DR7_MARK, D23_MARK, ED23_MARK,
+	LCDD16_MARK, PORT208_MSIOF0L_SS2_MARK, PORT208_KEYOUT1_MARK,
+	VIO_VDR_MARK, D24_MARK, ED24_MARK,
+	LCDD17_MARK, PORT209_KEYOUT2_MARK, VIO_HDR_MARK, D25_MARK, ED25_MARK,
+	LCDD18_MARK, DREQ2_MARK, PORT210_MSIOF0L_SS1_MARK, D26_MARK, ED26_MARK,
+	LCDD19_MARK, PORT211_MSIOF0L_SS2_MARK, D27_MARK, ED27_MARK,
+	LCDD20_MARK, TS_SPSYNC1_MARK, MSIOF0L_MCK0_MARK, D28_MARK, ED28_MARK,
+	LCDD21_MARK, TS_SDAT1_MARK, MSIOF0L_MCK1_MARK, D29_MARK, ED29_MARK,
+	LCDD22_MARK, TS_SDEN1_MARK, MSIOF0L_RSCK_MARK, D30_MARK, ED30_MARK,
+	LCDD23_MARK, TS_SCK1_MARK, MSIOF0L_RSYNC_MARK, D31_MARK, ED31_MARK,
+	LCDDCK_MARK, LCDWR_MARK, PORT216_KEYOUT3_MARK, VIO_CLKR_MARK,
+	LCDRD_MARK, DACK2_MARK, MSIOF0L_TSYNC_MARK,
+	LCDHSYN_MARK, LCDCS_MARK, LCDCS2_MARK, DACK3_MARK,
+	PORT218_VIO_CKOR_MARK, PORT218_KEYOUT4_MARK,
+	LCDDISP_MARK, LCDRS_MARK, DREQ3_MARK, MSIOF0L_TSCK_MARK,
+	LCDVSYN_MARK, LCDVSYN2_MARK, PORT220_KEYOUT5_MARK,
+	LCDLCLK_MARK, DREQ1_MARK, PWEN_MARK, MSIOF0L_RXD_MARK,
+	LCDDON_MARK, LCDDON2_MARK, DACK1_MARK, OVCN_MARK, MSIOF0L_TXD_MARK,
+	SCIFA1_TXD_MARK, OVCN2_MARK,
+	EXTLP_MARK, SCIFA1_SCK_MARK, USBTERM_MARK, PORT226_VIO_CKO2_MARK,
+	SCIFA1_RTS_MARK, IDIN_MARK,
+	SCIFA1_RXD_MARK,
+	SCIFA1_CTS_MARK, MFG1_IN1_MARK,
+	MSIOF1_TXD_MARK, SCIFA2_TXD2_MARK, PORT230_FSIAOMC_MARK,
+	MSIOF1_TSYNC_MARK, SCIFA2_CTS2_MARK, PORT231_FSIAOLR_MARK,
+	MSIOF1_TSCK_MARK, SCIFA2_SCK2_MARK, PORT232_FSIAOBT_MARK,
+	MSIOF1_RXD_MARK, SCIFA2_RXD2_MARK, GPS_VCOTRIG_MARK,
+	PORT233_FSIACK_MARK,
+	MSIOF1_RSCK_MARK, SCIFA2_RTS2_MARK, PORT234_FSIAOSLD_MARK,
+	MSIOF1_RSYNC_MARK, OPORT0_MARK, MFG1_IN2_MARK, PORT235_FSIAILR_MARK,
+	MSIOF1_MCK0_MARK, I2C_SDA2_MARK, PORT236_FSIAIBT_MARK,
+	MSIOF1_MCK1_MARK, I2C_SCL2_MARK, PORT237_FSIAISLD_MARK,
+	MSIOF1_SS1_MARK, EDBGREQ3_MARK,
+
+	/* 55-5 */
+	MSIOF1_SS2_MARK,
+	SCIFA6_TXD_MARK,
+	PORT241_IRDA_OUT_MARK, PORT241_IROUT_MARK, MFG4_OUT1_MARK,
+	TPU4TO0_MARK,
+	PORT242_IRDA_IN_MARK, MFG4_IN2_MARK,
+	PORT243_IRDA_FIRSEL_MARK, PORT243_VIO_CKO2_MARK,
+	PORT244_SCIFA5_CTS_MARK, MFG2_IN1_MARK, PORT244_SCIFB_CTS_MARK,
+	PORT244_MSIOF2_RXD_MARK,
+	PORT245_SCIFA5_RTS_MARK, MFG2_IN2_MARK, PORT245_SCIFB_RTS_MARK,
+	PORT245_MSIOF2_TXD_MARK,
+	PORT246_SCIFA5_RXD_MARK, MFG1_OUT1_MARK, PORT246_SCIFB_RXD_MARK,
+	TPU1TO0_MARK,
+	PORT247_SCIFA5_TXD_MARK, MFG3_OUT2_MARK, PORT247_SCIFB_TXD_MARK,
+	TPU3TO1_MARK,
+	PORT248_SCIFA5_SCK_MARK, MFG2_OUT1_MARK, PORT248_SCIFB_SCK_MARK,
+	TPU2TO0_MARK,
+	PORT248_MSIOF2_TSCK_MARK,
+	PORT249_IROUT_MARK, MFG4_IN1_MARK, PORT249_MSIOF2_TSYNC_MARK,
+	SDHICLK0_MARK, TCK2_SWCLK_MC0_MARK,
+	SDHICD0_MARK,
+	SDHID0_0_MARK, TMS2_SWDIO_MC0_MARK,
+	SDHID0_1_MARK, TDO2_SWO0_MC0_MARK,
+	SDHID0_2_MARK, TDI2_MARK,
+	SDHID0_3_MARK, RTCK2_SWO1_MC0_MARK,
+	SDHICMD0_MARK, TRST2_MARK,
+	SDHIWP0_MARK, EDBGREQ2_MARK,
+	SDHICLK1_MARK, TCK3_SWCLK_MC1_MARK,
+	SDHID1_0_MARK, M11_SLCD_SO2_MARK, TS_SPSYNC2_MARK,
+	TMS3_SWDIO_MC1_MARK,
+	SDHID1_1_MARK, M9_SLCD_A02_MARK, TS_SDAT2_MARK, TDO3_SWO0_MC1_MARK,
+	SDHID1_2_MARK, M10_SLCD_CK2_MARK, TS_SDEN2_MARK, TDI3_MARK,
+	SDHID1_3_MARK, M12_SLCD_CE2_MARK, TS_SCK2_MARK, RTCK3_SWO1_MC1_MARK,
+	SDHICMD1_MARK, TRST3_MARK,
+	RESETOUTS_MARK,
+	PINMUX_MARK_END,
+};
+
+#define PORT_DATA_I(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0, PORT##nr##_IN)
+
+#define PORT_DATA_I_PD(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
+				PORT##nr##_IN, PORT##nr##_IN_PD)
+
+#define PORT_DATA_I_PU(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
+				PORT##nr##_IN, PORT##nr##_IN_PU)
+
+#define PORT_DATA_I_PU_PD(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
+				PORT##nr##_IN, PORT##nr##_IN_PD,	\
+				PORT##nr##_IN_PU)
+
+#define PORT_DATA_O(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
+				PORT##nr##_OUT)
+
+#define PORT_DATA_IO(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
+				PORT##nr##_OUT, PORT##nr##_IN)
+
+#define PORT_DATA_IO_PD(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
+				PORT##nr##_OUT, PORT##nr##_IN,		\
+				PORT##nr##_IN_PD)
+
+#define PORT_DATA_IO_PU(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
+				PORT##nr##_OUT, PORT##nr##_IN,		\
+				PORT##nr##_IN_PU)
+
+#define PORT_DATA_IO_PU_PD(nr)	\
+	PINMUX_DATA(PORT##nr##_DATA, PORT##nr##_FN0,	\
+				PORT##nr##_OUT, PORT##nr##_IN,		\
+				PORT##nr##_IN_PD, PORT##nr##_IN_PU)
+
+static pinmux_enum_t pinmux_data[] = {
+	/* specify valid pin states for each pin in GPIO mode */
+	/* 55-1 (GPIO) */
+	PORT_DATA_I_PD(0), PORT_DATA_I_PU(1),
+	PORT_DATA_I_PU(2), PORT_DATA_I_PU(3),
+	PORT_DATA_I_PU(4), PORT_DATA_I_PU(5),
+	PORT_DATA_I_PU(6), PORT_DATA_I_PU(7),
+	PORT_DATA_I_PU(8), PORT_DATA_I_PU(9),
+	PORT_DATA_I_PU(10), PORT_DATA_I_PU(11),
+	PORT_DATA_IO_PU(12), PORT_DATA_IO_PU(13),
+	PORT_DATA_IO_PU_PD(14), PORT_DATA_IO_PU_PD(15),
+	PORT_DATA_O(16), PORT_DATA_IO(17),
+	PORT_DATA_O(18), PORT_DATA_O(19),
+	PORT_DATA_O(20), PORT_DATA_O(21),
+	PORT_DATA_O(22), PORT_DATA_O(23),
+	PORT_DATA_O(24), PORT_DATA_I_PD(25),
+	PORT_DATA_I_PD(26), PORT_DATA_O(27),
+	PORT_DATA_O(28), PORT_DATA_O(29),
+	PORT_DATA_IO(30), PORT_DATA_IO_PU(31),
+	PORT_DATA_IO_PD(32), PORT_DATA_I_PU(33),
+	PORT_DATA_IO_PD(34), PORT_DATA_I_PU_PD(35),
+	PORT_DATA_O(36), PORT_DATA_IO(37),
+
+	/* 55-2 (GPIO) */
+	PORT_DATA_O(38), PORT_DATA_I_PU(39),
+	PORT_DATA_I_PU_PD(40), PORT_DATA_O(41),
+	PORT_DATA_IO_PD(42), PORT_DATA_IO_PD(43),
+	PORT_DATA_IO_PD(44), PORT_DATA_I_PD(45),
+	PORT_DATA_I_PD(46), PORT_DATA_I_PD(47),
+	PORT_DATA_I_PD(48), PORT_DATA_IO_PU_PD(49),
+	PORT_DATA_IO_PD(50), PORT_DATA_IO_PD(51),
+	PORT_DATA_O(52), PORT_DATA_IO_PU_PD(53),
+	PORT_DATA_IO_PU_PD(54), PORT_DATA_IO_PD(55),
+	PORT_DATA_I_PU_PD(56), PORT_DATA_IO(57),
+	PORT_DATA_IO(58), PORT_DATA_IO(59),
+	PORT_DATA_IO(60), PORT_DATA_IO(61),
+	PORT_DATA_IO_PD(62), PORT_DATA_IO_PD(63),
+	PORT_DATA_IO_PD(64), PORT_DATA_IO_PD(65),
+	PORT_DATA_IO_PU_PD(66), PORT_DATA_IO_PU_PD(67),
+	PORT_DATA_IO_PU_PD(68), PORT_DATA_IO_PU_PD(69),
+	PORT_DATA_IO_PU_PD(70), PORT_DATA_IO_PU_PD(71),
+	PORT_DATA_IO_PU_PD(72), PORT_DATA_I_PU_PD(73),
+	PORT_DATA_IO_PU(74), PORT_DATA_IO_PU(75),
+	PORT_DATA_IO_PU(76), PORT_DATA_IO_PU(77),
+	PORT_DATA_IO_PU(78), PORT_DATA_IO_PU(79),
+	PORT_DATA_IO_PU(80), PORT_DATA_IO_PU(81),
+	PORT_DATA_IO_PU(82), PORT_DATA_IO_PU(83),
+	PORT_DATA_IO_PU(84), PORT_DATA_IO_PU(85),
+	PORT_DATA_IO_PU(86), PORT_DATA_IO_PU(87),
+	PORT_DATA_IO_PU(88), PORT_DATA_IO_PU(89),
+	PORT_DATA_O(90), PORT_DATA_IO_PU(91),
+	PORT_DATA_O(92),
+
+	/* 55-3 (GPIO) */
+	PORT_DATA_IO_PU(93),
+	PORT_DATA_O(94),
+	PORT_DATA_I_PU_PD(95),
+	PORT_DATA_IO(96), PORT_DATA_IO(97),
+	PORT_DATA_IO(98), PORT_DATA_I_PU(99),
+	PORT_DATA_O(100), PORT_DATA_O(101),
+	PORT_DATA_I_PU(102), PORT_DATA_IO_PD(103),
+	PORT_DATA_I_PD(104), PORT_DATA_I_PD(105),
+	PORT_DATA_I_PD(106), PORT_DATA_I_PD(107),
+	PORT_DATA_I_PD(108), PORT_DATA_IO_PD(109),
+	PORT_DATA_IO_PD(110), PORT_DATA_I_PD(111),
+	PORT_DATA_IO_PD(112), PORT_DATA_IO_PD(113),
+	PORT_DATA_IO_PD(114), PORT_DATA_I_PD(115),
+	PORT_DATA_I_PD(116), PORT_DATA_IO_PD(117),
+	PORT_DATA_I_PD(118), PORT_DATA_IO_PD(128),
+	PORT_DATA_IO_PD(129), PORT_DATA_IO_PD(130),
+	PORT_DATA_IO_PD(131), PORT_DATA_IO_PD(132),
+	PORT_DATA_IO_PD(133), PORT_DATA_IO_PU_PD(134),
+	PORT_DATA_IO_PU_PD(135), PORT_DATA_IO_PU_PD(136),
+	PORT_DATA_IO_PU_PD(137), PORT_DATA_IO_PD(138),
+	PORT_DATA_IO_PD(139), PORT_DATA_IO_PD(140),
+	PORT_DATA_IO_PD(141), PORT_DATA_IO_PD(142),
+	PORT_DATA_IO_PD(143), PORT_DATA_IO_PU_PD(144),
+	PORT_DATA_IO_PD(145), PORT_DATA_IO_PU_PD(146),
+	PORT_DATA_IO_PU_PD(147), PORT_DATA_IO_PU_PD(148),
+	PORT_DATA_IO_PU_PD(149), PORT_DATA_I_PD(150),
+	PORT_DATA_IO_PU_PD(151), PORT_DATA_IO_PD(152),
+	PORT_DATA_IO_PD(153), PORT_DATA_IO_PD(154),
+	PORT_DATA_I_PD(155), PORT_DATA_IO_PU_PD(156),
+	PORT_DATA_I_PD(157), PORT_DATA_IO_PD(158),
+
+	/* 55-4 (GPIO) */
+	PORT_DATA_IO_PU_PD(159), PORT_DATA_IO_PU_PD(160),
+	PORT_DATA_I_PU_PD(161), PORT_DATA_I_PU_PD(162),
+	PORT_DATA_IO_PU_PD(163), PORT_DATA_I_PU_PD(164),
+	PORT_DATA_IO_PD(192), PORT_DATA_IO_PD(193),
+	PORT_DATA_IO_PD(194), PORT_DATA_IO_PD(195),
+	PORT_DATA_IO_PD(196), PORT_DATA_IO_PD(197),
+	PORT_DATA_IO_PD(198), PORT_DATA_IO_PD(199),
+	PORT_DATA_IO_PU_PD(200), PORT_DATA_IO_PU_PD(201),
+	PORT_DATA_IO_PU_PD(202), PORT_DATA_IO_PU_PD(203),
+	PORT_DATA_IO_PU_PD(204), PORT_DATA_IO_PU_PD(205),
+	PORT_DATA_IO_PU_PD(206), PORT_DATA_IO_PD(207),
+	PORT_DATA_IO_PD(208), PORT_DATA_IO_PD(209),
+	PORT_DATA_IO_PD(210), PORT_DATA_IO_PD(211),
+	PORT_DATA_IO_PD(212), PORT_DATA_IO_PD(213),
+	PORT_DATA_IO_PD(214), PORT_DATA_IO_PD(215),
+	PORT_DATA_IO_PD(216), PORT_DATA_IO_PD(217),
+	PORT_DATA_O(218), PORT_DATA_IO_PD(219),
+	PORT_DATA_IO_PD(220), PORT_DATA_IO_PD(221),
+	PORT_DATA_IO_PU_PD(222),
+	PORT_DATA_I_PU_PD(223), PORT_DATA_I_PU_PD(224),
+	PORT_DATA_IO_PU_PD(225), PORT_DATA_O(226),
+	PORT_DATA_IO_PU_PD(227), PORT_DATA_I_PD(228),
+	PORT_DATA_I_PD(229), PORT_DATA_IO(230),
+	PORT_DATA_IO_PD(231), PORT_DATA_IO_PU_PD(232),
+	PORT_DATA_I_PD(233), PORT_DATA_IO_PU_PD(234),
+	PORT_DATA_IO_PU_PD(235), PORT_DATA_IO_PU_PD(236),
+	PORT_DATA_IO_PD(237), PORT_DATA_IO_PU_PD(238),
+
+	/* 55-5 (GPIO) */
+	PORT_DATA_IO_PU_PD(239), PORT_DATA_IO_PU_PD(240),
+	PORT_DATA_O(241), PORT_DATA_I_PD(242),
+	PORT_DATA_IO_PU_PD(243), PORT_DATA_IO_PU_PD(244),
+	PORT_DATA_IO_PU_PD(245), PORT_DATA_IO_PU_PD(246),
+	PORT_DATA_IO_PU_PD(247), PORT_DATA_IO_PU_PD(248),
+	PORT_DATA_IO_PU_PD(249), PORT_DATA_IO_PD(250),
+	PORT_DATA_IO_PU_PD(251), PORT_DATA_IO_PU_PD(252),
+	PORT_DATA_IO_PU_PD(253), PORT_DATA_IO_PU_PD(254),
+	PORT_DATA_IO_PU_PD(255), PORT_DATA_IO_PU_PD(256),
+	PORT_DATA_IO_PU_PD(257), PORT_DATA_IO_PD(258),
+	PORT_DATA_IO_PU_PD(259), PORT_DATA_IO_PU_PD(260),
+	PORT_DATA_IO_PU_PD(261), PORT_DATA_IO_PU_PD(262),
+	PORT_DATA_IO_PU_PD(263),
+
+	/* Special Pull-up / Pull-down Functions */
+	PINMUX_DATA(PORT66_KEYIN0_PU_MARK, MSELBCR_MSEL17_0, MSELBCR_MSEL16_0,
+				PORT66_FN2, PORT66_IN_PU),
+	PINMUX_DATA(PORT67_KEYIN1_PU_MARK, MSELBCR_MSEL17_0, MSELBCR_MSEL16_0,
+				PORT67_FN2, PORT67_IN_PU),
+	PINMUX_DATA(PORT68_KEYIN2_PU_MARK, MSELBCR_MSEL17_0, MSELBCR_MSEL16_0,
+				PORT68_FN2, PORT68_IN_PU),
+	PINMUX_DATA(PORT69_KEYIN3_PU_MARK, MSELBCR_MSEL17_0, MSELBCR_MSEL16_0,
+				PORT69_FN2, PORT69_IN_PU),
+	PINMUX_DATA(PORT70_KEYIN4_PU_MARK, MSELBCR_MSEL17_0, MSELBCR_MSEL16_0,
+				PORT70_FN2, PORT70_IN_PU),
+	PINMUX_DATA(PORT71_KEYIN5_PU_MARK, MSELBCR_MSEL17_0, MSELBCR_MSEL16_0,
+				PORT71_FN2, PORT71_IN_PU),
+	PINMUX_DATA(PORT72_KEYIN6_PU_MARK, MSELBCR_MSEL17_0, MSELBCR_MSEL16_0,
+				PORT72_FN2, PORT72_IN_PU),
+
+
+	/* 55-1 (FN) */
+	PINMUX_DATA(VBUS_0_MARK, PORT0_FN1),
+	PINMUX_DATA(CPORT0_MARK, PORT1_FN1),
+	PINMUX_DATA(CPORT1_MARK, PORT2_FN1),
+	PINMUX_DATA(CPORT2_MARK, PORT3_FN1),
+	PINMUX_DATA(CPORT3_MARK, PORT4_FN1),
+	PINMUX_DATA(CPORT4_MARK, PORT5_FN1),
+	PINMUX_DATA(CPORT5_MARK, PORT6_FN1),
+	PINMUX_DATA(CPORT6_MARK, PORT7_FN1),
+	PINMUX_DATA(CPORT7_MARK, PORT8_FN1),
+	PINMUX_DATA(CPORT8_MARK, PORT9_FN1),
+	PINMUX_DATA(CPORT9_MARK, PORT10_FN1),
+	PINMUX_DATA(CPORT10_MARK, PORT11_FN1),
+	PINMUX_DATA(CPORT11_MARK, PORT12_FN1),
+	PINMUX_DATA(SIN2_MARK, PORT12_FN2),
+	PINMUX_DATA(CPORT12_MARK, PORT13_FN1),
+	PINMUX_DATA(XCTS2_MARK, PORT13_FN2),
+	PINMUX_DATA(CPORT13_MARK, PORT14_FN1),
+	PINMUX_DATA(RFSPO4_MARK, PORT14_FN2),
+	PINMUX_DATA(CPORT14_MARK, PORT15_FN1),
+	PINMUX_DATA(RFSPO5_MARK, PORT15_FN2),
+	PINMUX_DATA(CPORT15_MARK, PORT16_FN1),
+	PINMUX_DATA(SCIFA0_SCK_MARK, PORT16_FN2),
+	PINMUX_DATA(GPS_AGC2_MARK, PORT16_FN3),
+	PINMUX_DATA(CPORT16_MARK, PORT17_FN1),
+	PINMUX_DATA(SCIFA0_TXD_MARK, PORT17_FN2),
+	PINMUX_DATA(GPS_AGC3_MARK, PORT17_FN3),
+	PINMUX_DATA(CPORT17_IC_OE_MARK, PORT18_FN1),
+	PINMUX_DATA(SOUT2_MARK, PORT18_FN2),
+	PINMUX_DATA(CPORT18_MARK, PORT19_FN1),
+	PINMUX_DATA(XRTS2_MARK, PORT19_FN2),
+	PINMUX_DATA(PORT19_VIO_CKO2_MARK, PORT19_FN3),
+	PINMUX_DATA(CPORT19_MPORT1_MARK, PORT20_FN1),
+	PINMUX_DATA(CPORT20_MARK, PORT21_FN1),
+	PINMUX_DATA(RFSPO6_MARK, PORT21_FN2),
+	PINMUX_DATA(CPORT21_MARK, PORT22_FN1),
+	PINMUX_DATA(STATUS0_MARK, PORT22_FN2),
+	PINMUX_DATA(CPORT22_MARK, PORT23_FN1),
+	PINMUX_DATA(STATUS1_MARK, PORT23_FN2),
+	PINMUX_DATA(CPORT23_MARK, PORT24_FN1),
+	PINMUX_DATA(STATUS2_MARK, PORT24_FN2),
+	PINMUX_DATA(RFSPO7_MARK, PORT24_FN3),
+	PINMUX_DATA(B_SYNLD1_MARK, PORT25_FN1),
+	PINMUX_DATA(B_SYNLD2_MARK, PORT26_FN1),
+	PINMUX_DATA(SYSENMSK_MARK, PORT26_FN2),
+	PINMUX_DATA(XMAINPS_MARK, PORT27_FN1),
+	PINMUX_DATA(XDIVPS_MARK, PORT28_FN1),
+	PINMUX_DATA(XIDRST_MARK, PORT29_FN1),
+	PINMUX_DATA(IDCLK_MARK, PORT30_FN1),
+	PINMUX_DATA(IC_DP_MARK, PORT30_FN2),
+	PINMUX_DATA(IDIO_MARK, PORT31_FN1),
+	PINMUX_DATA(IC_DM_MARK, PORT31_FN2),
+	PINMUX_DATA(SOUT1_MARK, PORT32_FN1),
+	PINMUX_DATA(SCIFA4_TXD_MARK, PORT32_FN2),
+	PINMUX_DATA(M02_BERDAT_MARK, PORT32_FN3),
+	PINMUX_DATA(SIN1_MARK, PORT33_FN1),
+	PINMUX_DATA(SCIFA4_RXD_MARK, PORT33_FN2),
+	PINMUX_DATA(XWUP_MARK, PORT33_FN3),
+	PINMUX_DATA(XRTS1_MARK, PORT34_FN1),
+	PINMUX_DATA(SCIFA4_RTS_MARK, PORT34_FN2),
+	PINMUX_DATA(M03_BERCLK_MARK, PORT34_FN3),
+	PINMUX_DATA(XCTS1_MARK, PORT35_FN1),
+	PINMUX_DATA(SCIFA4_CTS_MARK, PORT35_FN2),
+	PINMUX_DATA(PCMCLKO_MARK, PORT36_FN1),
+	PINMUX_DATA(SYNC8KO_MARK, PORT37_FN1),
+
+	/* 55-2 (FN) */
+	PINMUX_DATA(DNPCM_A_MARK, PORT38_FN1),
+	PINMUX_DATA(UPPCM_A_MARK, PORT39_FN1),
+	PINMUX_DATA(VACK_MARK, PORT40_FN1),
+	PINMUX_DATA(XTALB1L_MARK, PORT41_FN1),
+	PINMUX_DATA(GPS_AGC1_MARK, PORT42_FN1),
+	PINMUX_DATA(SCIFA0_RTS_MARK, PORT42_FN2),
+	PINMUX_DATA(GPS_AGC4_MARK, PORT43_FN1),
+	PINMUX_DATA(SCIFA0_RXD_MARK, PORT43_FN2),
+	PINMUX_DATA(GPS_PWRDOWN_MARK, PORT44_FN1),
+	PINMUX_DATA(SCIFA0_CTS_MARK, PORT44_FN2),
+	PINMUX_DATA(GPS_IM_MARK, PORT45_FN1),
+	PINMUX_DATA(GPS_IS_MARK, PORT46_FN1),
+	PINMUX_DATA(GPS_QM_MARK, PORT47_FN1),
+	PINMUX_DATA(GPS_QS_MARK, PORT48_FN1),
+	PINMUX_DATA(FMSOCK_MARK, PORT49_FN1),
+	PINMUX_DATA(PORT49_IRDA_OUT_MARK, PORT49_FN2),
+	PINMUX_DATA(PORT49_IROUT_MARK, PORT49_FN3),
+	PINMUX_DATA(FMSOOLR_MARK, PORT50_FN1),
+	PINMUX_DATA(BBIF2_TSYNC2_MARK, PORT50_FN2),
+	PINMUX_DATA(TPU2TO2_MARK, PORT50_FN3),
+	PINMUX_DATA(IPORT3_MARK, PORT50_FN4),
+	PINMUX_DATA(FMSIOLR_MARK, PORT50_FN5),
+	PINMUX_DATA(FMSOOBT_MARK, PORT51_FN1),
+	PINMUX_DATA(BBIF2_TSCK2_MARK, PORT51_FN2),
+	PINMUX_DATA(TPU2TO3_MARK, PORT51_FN3),
+	PINMUX_DATA(OPORT1_MARK, PORT51_FN4),
+	PINMUX_DATA(FMSIOBT_MARK, PORT51_FN5),
+	PINMUX_DATA(FMSOSLD_MARK, PORT52_FN1),
+	PINMUX_DATA(BBIF2_TXD2_MARK, PORT52_FN2),
+	PINMUX_DATA(OPORT2_MARK, PORT52_FN3),
+	PINMUX_DATA(FMSOILR_MARK, PORT53_FN1),
+	PINMUX_DATA(PORT53_IRDA_IN_MARK, PORT53_FN2),
+	PINMUX_DATA(TPU3TO3_MARK, PORT53_FN3),
+	PINMUX_DATA(OPORT3_MARK, PORT53_FN4),
+	PINMUX_DATA(FMSIILR_MARK, PORT53_FN5),
+	PINMUX_DATA(FMSOIBT_MARK, PORT54_FN1),
+	PINMUX_DATA(PORT54_IRDA_FIRSEL_MARK, PORT54_FN2),
+	PINMUX_DATA(TPU3TO2_MARK, PORT54_FN3),
+	PINMUX_DATA(FMSIIBT_MARK, PORT54_FN4),
+	PINMUX_DATA(FMSISLD_MARK, PORT55_FN1),
+	PINMUX_DATA(MFG0_OUT1_MARK, PORT55_FN2),
+	PINMUX_DATA(TPU0TO0_MARK, PORT55_FN3),
+	PINMUX_DATA(A0_EA0_MARK, PORT57_FN1),
+	PINMUX_DATA(BS_MARK, PORT57_FN2),
+	PINMUX_DATA(A12_EA12_MARK, PORT58_FN1),
+	PINMUX_DATA(PORT58_VIO_CKOR_MARK, PORT58_FN2),
+	PINMUX_DATA(TPU4TO2_MARK, PORT58_FN3),
+	PINMUX_DATA(A13_EA13_MARK, PORT59_FN1),
+	PINMUX_DATA(PORT59_IROUT_MARK, PORT59_FN2),
+	PINMUX_DATA(MFG0_OUT2_MARK, PORT59_FN3),
+	PINMUX_DATA(TPU0TO1_MARK, PORT59_FN4),
+	PINMUX_DATA(A14_EA14_MARK, PORT60_FN1),
+	PINMUX_DATA(PORT60_KEYOUT5_MARK, PORT60_FN2),
+	PINMUX_DATA(A15_EA15_MARK, PORT61_FN1),
+	PINMUX_DATA(PORT61_KEYOUT4_MARK, PORT61_FN2),
+	PINMUX_DATA(A16_EA16_MARK, PORT62_FN1),
+	PINMUX_DATA(PORT62_KEYOUT3_MARK, PORT62_FN2),
+	PINMUX_DATA(MSIOF0_SS1_MARK, PORT62_FN3),
+	PINMUX_DATA(A17_EA17_MARK, PORT63_FN1),
+	PINMUX_DATA(PORT63_KEYOUT2_MARK, PORT63_FN2),
+	PINMUX_DATA(MSIOF0_TSYNC_MARK, PORT63_FN3),
+	PINMUX_DATA(A18_EA18_MARK, PORT64_FN1),
+	PINMUX_DATA(PORT64_KEYOUT1_MARK, PORT64_FN2),
+	PINMUX_DATA(MSIOF0_TSCK_MARK, PORT64_FN3),
+	PINMUX_DATA(A19_EA19_MARK, PORT65_FN1),
+	PINMUX_DATA(PORT65_KEYOUT0_MARK, PORT65_FN2),
+	PINMUX_DATA(MSIOF0_TXD_MARK, PORT65_FN3),
+	PINMUX_DATA(A20_EA20_MARK, PORT66_FN1),
+	PINMUX_DATA(PORT66_KEYIN0_MARK, PORT66_FN2),
+	PINMUX_DATA(MSIOF0_RSCK_MARK, PORT66_FN3),
+	PINMUX_DATA(A21_EA21_MARK, PORT67_FN1),
+	PINMUX_DATA(PORT67_KEYIN1_MARK, PORT67_FN2),
+	PINMUX_DATA(MSIOF0_RSYNC_MARK, PORT67_FN3),
+	PINMUX_DATA(A22_EA22_MARK, PORT68_FN1),
+	PINMUX_DATA(PORT68_KEYIN2_MARK, PORT68_FN2),
+	PINMUX_DATA(MSIOF0_MCK0_MARK, PORT68_FN3),
+	PINMUX_DATA(A23_EA23_MARK, PORT69_FN1),
+	PINMUX_DATA(PORT69_KEYIN3_MARK, PORT69_FN2),
+	PINMUX_DATA(MSIOF0_MCK1_MARK, PORT69_FN3),
+	PINMUX_DATA(A24_EA24_MARK, PORT70_FN1),
+	PINMUX_DATA(PORT70_KEYIN4_MARK, PORT70_FN2),
+	PINMUX_DATA(MSIOF0_RXD_MARK, PORT70_FN3),
+	PINMUX_DATA(A25_EA25_MARK, PORT71_FN1),
+	PINMUX_DATA(PORT71_KEYIN5_MARK, PORT71_FN2),
+	PINMUX_DATA(MSIOF0_SS2_MARK, PORT71_FN3),
+	PINMUX_DATA(A26_MARK, PORT72_FN1),
+	PINMUX_DATA(PORT72_KEYIN6_MARK, PORT72_FN2),
+	PINMUX_DATA(D0_ED0_NAF0_MARK, PORT74_FN1),
+	PINMUX_DATA(D1_ED1_NAF1_MARK, PORT75_FN1),
+	PINMUX_DATA(D2_ED2_NAF2_MARK, PORT76_FN1),
+	PINMUX_DATA(D3_ED3_NAF3_MARK, PORT77_FN1),
+	PINMUX_DATA(D4_ED4_NAF4_MARK, PORT78_FN1),
+	PINMUX_DATA(D5_ED5_NAF5_MARK, PORT79_FN1),
+	PINMUX_DATA(D6_ED6_NAF6_MARK, PORT80_FN1),
+	PINMUX_DATA(D7_ED7_NAF7_MARK, PORT81_FN1),
+	PINMUX_DATA(D8_ED8_NAF8_MARK, PORT82_FN1),
+	PINMUX_DATA(D9_ED9_NAF9_MARK, PORT83_FN1),
+	PINMUX_DATA(D10_ED10_NAF10_MARK, PORT84_FN1),
+	PINMUX_DATA(D11_ED11_NAF11_MARK, PORT85_FN1),
+	PINMUX_DATA(D12_ED12_NAF12_MARK, PORT86_FN1),
+	PINMUX_DATA(D13_ED13_NAF13_MARK, PORT87_FN1),
+	PINMUX_DATA(D14_ED14_NAF14_MARK, PORT88_FN1),
+	PINMUX_DATA(D15_ED15_NAF15_MARK, PORT89_FN1),
+	PINMUX_DATA(CS4_MARK, PORT90_FN1),
+	PINMUX_DATA(CS5A_MARK, PORT91_FN1),
+	PINMUX_DATA(FMSICK_MARK, PORT91_FN2),
+	PINMUX_DATA(CS5B_MARK, PORT92_FN1),
+	PINMUX_DATA(FCE1_MARK, PORT92_FN2),
+
+	/* 55-3 (FN) */
+	PINMUX_DATA(CS6B_MARK, PORT93_FN1),
+	PINMUX_DATA(XCS2_MARK, PORT93_FN2),
+	PINMUX_DATA(CS6A_MARK, PORT93_FN3),
+	PINMUX_DATA(DACK0_MARK, PORT93_FN4),
+	PINMUX_DATA(FCE0_MARK, PORT94_FN1),
+	PINMUX_DATA(WAIT_MARK, PORT95_FN1),
+	PINMUX_DATA(DREQ0_MARK, PORT95_FN2),
+	PINMUX_DATA(RD_XRD_MARK, PORT96_FN1),
+	PINMUX_DATA(WE0_XWR0_FWE_MARK, PORT97_FN1),
+	PINMUX_DATA(WE1_XWR1_MARK, PORT98_FN1),
+	PINMUX_DATA(FRB_MARK, PORT99_FN1),
+	PINMUX_DATA(CKO_MARK, PORT100_FN1),
+	PINMUX_DATA(NBRSTOUT_MARK, PORT101_FN1),
+	PINMUX_DATA(NBRST_MARK, PORT102_FN1),
+	PINMUX_DATA(GPS_EPPSIN_MARK, PORT106_FN1),
+	PINMUX_DATA(LATCHPULSE_MARK, PORT110_FN1),
+	PINMUX_DATA(LTESIGNAL_MARK, PORT111_FN1),
+	PINMUX_DATA(LEGACYSTATE_MARK, PORT112_FN1),
+	PINMUX_DATA(TCKON_MARK, PORT118_FN1),
+	PINMUX_DATA(VIO_VD_MARK, PORT128_FN1),
+	PINMUX_DATA(PORT128_KEYOUT0_MARK, PORT128_FN2),
+	PINMUX_DATA(IPORT0_MARK, PORT128_FN3),
+	PINMUX_DATA(VIO_HD_MARK, PORT129_FN1),
+	PINMUX_DATA(PORT129_KEYOUT1_MARK, PORT129_FN2),
+	PINMUX_DATA(IPORT1_MARK, PORT129_FN3),
+	PINMUX_DATA(VIO_D0_MARK, PORT130_FN1),
+	PINMUX_DATA(PORT130_KEYOUT2_MARK, PORT130_FN2),
+	PINMUX_DATA(PORT130_MSIOF2_RXD_MARK, PORT130_FN3),
+	PINMUX_DATA(VIO_D1_MARK, PORT131_FN1),
+	PINMUX_DATA(PORT131_KEYOUT3_MARK, PORT131_FN2),
+	PINMUX_DATA(PORT131_MSIOF2_SS1_MARK, PORT131_FN3),
+	PINMUX_DATA(VIO_D2_MARK, PORT132_FN1),
+	PINMUX_DATA(PORT132_KEYOUT4_MARK, PORT132_FN2),
+	PINMUX_DATA(PORT132_MSIOF2_SS2_MARK, PORT132_FN3),
+	PINMUX_DATA(VIO_D3_MARK, PORT133_FN1),
+	PINMUX_DATA(PORT133_KEYOUT5_MARK, PORT133_FN2),
+	PINMUX_DATA(PORT133_MSIOF2_TSYNC_MARK, PORT133_FN3),
+	PINMUX_DATA(VIO_D4_MARK, PORT134_FN1),
+	PINMUX_DATA(PORT134_KEYIN0_MARK, PORT134_FN2),
+	PINMUX_DATA(PORT134_MSIOF2_TXD_MARK, PORT134_FN3),
+	PINMUX_DATA(VIO_D5_MARK, PORT135_FN1),
+	PINMUX_DATA(PORT135_KEYIN1_MARK, PORT135_FN2),
+	PINMUX_DATA(PORT135_MSIOF2_TSCK_MARK, PORT135_FN3),
+	PINMUX_DATA(VIO_D6_MARK, PORT136_FN1),
+	PINMUX_DATA(PORT136_KEYIN2_MARK, PORT136_FN2),
+	PINMUX_DATA(VIO_D7_MARK, PORT137_FN1),
+	PINMUX_DATA(PORT137_KEYIN3_MARK, PORT137_FN2),
+	PINMUX_DATA(VIO_D8_MARK, PORT138_FN1),
+	PINMUX_DATA(M9_SLCD_A01_MARK, PORT138_FN2),
+	PINMUX_DATA(PORT138_FSIAOMC_MARK, PORT138_FN3),
+	PINMUX_DATA(VIO_D9_MARK, PORT139_FN1),
+	PINMUX_DATA(M10_SLCD_CK1_MARK, PORT139_FN2),
+	PINMUX_DATA(PORT139_FSIAOLR_MARK, PORT139_FN3),
+	PINMUX_DATA(VIO_D10_MARK, PORT140_FN1),
+	PINMUX_DATA(M11_SLCD_SO1_MARK, PORT140_FN2),
+	PINMUX_DATA(TPU0TO2_MARK, PORT140_FN3),
+	PINMUX_DATA(PORT140_FSIAOBT_MARK, PORT140_FN4),
+	PINMUX_DATA(VIO_D11_MARK, PORT141_FN1),
+	PINMUX_DATA(M12_SLCD_CE1_MARK, PORT141_FN2),
+	PINMUX_DATA(TPU0TO3_MARK, PORT141_FN3),
+	PINMUX_DATA(PORT141_FSIAOSLD_MARK, PORT141_FN4),
+	PINMUX_DATA(VIO_D12_MARK, PORT142_FN1),
+	PINMUX_DATA(M13_BSW_MARK, PORT142_FN2),
+	PINMUX_DATA(PORT142_FSIACK_MARK, PORT142_FN3),
+	PINMUX_DATA(VIO_D13_MARK, PORT143_FN1),
+	PINMUX_DATA(M14_GSW_MARK, PORT143_FN2),
+	PINMUX_DATA(PORT143_FSIAILR_MARK, PORT143_FN3),
+	PINMUX_DATA(VIO_D14_MARK, PORT144_FN1),
+	PINMUX_DATA(M15_RSW_MARK, PORT144_FN2),
+	PINMUX_DATA(PORT144_FSIAIBT_MARK, PORT144_FN3),
+	PINMUX_DATA(VIO_D15_MARK, PORT145_FN1),
+	PINMUX_DATA(TPU1TO3_MARK, PORT145_FN2),
+	PINMUX_DATA(PORT145_FSIAISLD_MARK, PORT145_FN3),
+	PINMUX_DATA(VIO_CLK_MARK, PORT146_FN1),
+	PINMUX_DATA(PORT146_KEYIN4_MARK, PORT146_FN2),
+	PINMUX_DATA(IPORT2_MARK, PORT146_FN3),
+	PINMUX_DATA(VIO_FIELD_MARK, PORT147_FN1),
+	PINMUX_DATA(PORT147_KEYIN5_MARK, PORT147_FN2),
+	PINMUX_DATA(VIO_CKO_MARK, PORT148_FN1),
+	PINMUX_DATA(PORT148_KEYIN6_MARK, PORT148_FN2),
+	PINMUX_DATA(A27_MARK, PORT149_FN1),
+	PINMUX_DATA(RDWR_XWE_MARK, PORT149_FN2),
+	PINMUX_DATA(MFG0_IN1_MARK, PORT149_FN3),
+	PINMUX_DATA(MFG0_IN2_MARK, PORT150_FN1),
+	PINMUX_DATA(TS_SPSYNC3_MARK, PORT151_FN1),
+	PINMUX_DATA(MSIOF2_RSCK_MARK, PORT151_FN2),
+	PINMUX_DATA(TS_SDAT3_MARK, PORT152_FN1),
+	PINMUX_DATA(MSIOF2_RSYNC_MARK, PORT152_FN2),
+	PINMUX_DATA(TPU1TO2_MARK, PORT153_FN1),
+	PINMUX_DATA(TS_SDEN3_MARK, PORT153_FN2),
+	PINMUX_DATA(PORT153_MSIOF2_SS1_MARK, PORT153_FN3),
+	PINMUX_DATA(SOUT3_MARK, PORT154_FN1),
+	PINMUX_DATA(SCIFA2_TXD1_MARK, PORT154_FN2),
+	PINMUX_DATA(MSIOF2_MCK0_MARK, PORT154_FN3),
+	PINMUX_DATA(SIN3_MARK, PORT155_FN1),
+	PINMUX_DATA(SCIFA2_RXD1_MARK, PORT155_FN2),
+	PINMUX_DATA(MSIOF2_MCK1_MARK, PORT155_FN3),
+	PINMUX_DATA(XRTS3_MARK, PORT156_FN1),
+	PINMUX_DATA(SCIFA2_RTS1_MARK, PORT156_FN2),
+	PINMUX_DATA(PORT156_MSIOF2_SS2_MARK, PORT156_FN3),
+	PINMUX_DATA(XCTS3_MARK, PORT157_FN1),
+	PINMUX_DATA(SCIFA2_CTS1_MARK, PORT157_FN2),
+	PINMUX_DATA(PORT157_MSIOF2_RXD_MARK, PORT157_FN3),
+
+	/* 55-4 (FN) */
+	PINMUX_DATA(DINT_MARK, PORT158_FN1),
+	PINMUX_DATA(SCIFA2_SCK1_MARK, PORT158_FN2),
+	PINMUX_DATA(TS_SCK3_MARK, PORT158_FN3),
+	PINMUX_DATA(PORT159_SCIFB_SCK_MARK, PORT159_FN1),
+	PINMUX_DATA(PORT159_SCIFA5_SCK_MARK, PORT159_FN2),
+	PINMUX_DATA(NMI_MARK, PORT159_FN3),
+	PINMUX_DATA(PORT160_SCIFB_TXD_MARK, PORT160_FN1),
+	PINMUX_DATA(PORT160_SCIFA5_TXD_MARK, PORT160_FN2),
+	PINMUX_DATA(SOUT0_MARK, PORT160_FN3),
+	PINMUX_DATA(PORT161_SCIFB_CTS_MARK, PORT161_FN1),
+	PINMUX_DATA(PORT161_SCIFA5_CTS_MARK, PORT161_FN2),
+	PINMUX_DATA(XCTS0_MARK, PORT161_FN3),
+	PINMUX_DATA(MFG3_IN2_MARK, PORT161_FN4),
+	PINMUX_DATA(PORT162_SCIFB_RXD_MARK, PORT162_FN1),
+	PINMUX_DATA(PORT162_SCIFA5_RXD_MARK, PORT162_FN2),
+	PINMUX_DATA(SIN0_MARK, PORT162_FN3),
+	PINMUX_DATA(MFG3_IN1_MARK, PORT162_FN4),
+	PINMUX_DATA(PORT163_SCIFB_RTS_MARK, PORT163_FN1),
+	PINMUX_DATA(PORT163_SCIFA5_RTS_MARK, PORT163_FN2),
+	PINMUX_DATA(XRTS0_MARK, PORT163_FN3),
+	PINMUX_DATA(MFG3_OUT1_MARK, PORT163_FN4),
+	PINMUX_DATA(TPU3TO0_MARK, PORT163_FN5),
+	PINMUX_DATA(LCDD0_MARK, PORT192_FN1),
+	PINMUX_DATA(PORT192_KEYOUT0_MARK, PORT192_FN2),
+	PINMUX_DATA(EXT_CKI_MARK, PORT192_FN3),
+	PINMUX_DATA(LCDD1_MARK, PORT193_FN1),
+	PINMUX_DATA(PORT193_KEYOUT1_MARK, PORT193_FN2),
+	PINMUX_DATA(PORT193_SCIFA5_CTS_MARK, PORT193_FN3),
+	PINMUX_DATA(BBIF2_TSYNC1_MARK, PORT193_FN4),
+	PINMUX_DATA(LCDD2_MARK, PORT194_FN1),
+	PINMUX_DATA(PORT194_KEYOUT2_MARK, PORT194_FN2),
+	PINMUX_DATA(PORT194_SCIFA5_RTS_MARK, PORT194_FN3),
+	PINMUX_DATA(BBIF2_TSCK1_MARK, PORT194_FN4),
+	PINMUX_DATA(LCDD3_MARK, PORT195_FN1),
+	PINMUX_DATA(PORT195_KEYOUT3_MARK, PORT195_FN2),
+	PINMUX_DATA(PORT195_SCIFA5_RXD_MARK, PORT195_FN3),
+	PINMUX_DATA(BBIF2_TXD1_MARK, PORT195_FN4),
+	PINMUX_DATA(LCDD4_MARK, PORT196_FN1),
+	PINMUX_DATA(PORT196_KEYOUT4_MARK, PORT196_FN2),
+	PINMUX_DATA(PORT196_SCIFA5_TXD_MARK, PORT196_FN3),
+	PINMUX_DATA(LCDD5_MARK, PORT197_FN1),
+	PINMUX_DATA(PORT197_KEYOUT5_MARK, PORT197_FN2),
+	PINMUX_DATA(PORT197_SCIFA5_SCK_MARK, PORT197_FN3),
+	PINMUX_DATA(MFG2_OUT2_MARK, PORT197_FN4),
+	PINMUX_DATA(LCDD6_MARK, PORT198_FN1),
+	PINMUX_DATA(LCDD7_MARK, PORT199_FN1),
+	PINMUX_DATA(TPU4TO1_MARK, PORT199_FN2),
+	PINMUX_DATA(MFG4_OUT2_MARK, PORT199_FN3),
+	PINMUX_DATA(LCDD8_MARK, PORT200_FN1),
+	PINMUX_DATA(PORT200_KEYIN0_MARK, PORT200_FN2),
+	PINMUX_DATA(VIO_DR0_MARK, PORT200_FN3),
+	PINMUX_DATA(D16_MARK, PORT200_FN4),
+	PINMUX_DATA(LCDD9_MARK, PORT201_FN1),
+	PINMUX_DATA(PORT201_KEYIN1_MARK, PORT201_FN2),
+	PINMUX_DATA(VIO_DR1_MARK, PORT201_FN3),
+	PINMUX_DATA(D17_MARK, PORT201_FN4),
+	PINMUX_DATA(LCDD10_MARK, PORT202_FN1),
+	PINMUX_DATA(PORT202_KEYIN2_MARK, PORT202_FN2),
+	PINMUX_DATA(VIO_DR2_MARK, PORT202_FN3),
+	PINMUX_DATA(D18_MARK, PORT202_FN4),
+	PINMUX_DATA(LCDD11_MARK, PORT203_FN1),
+	PINMUX_DATA(PORT203_KEYIN3_MARK, PORT203_FN2),
+	PINMUX_DATA(VIO_DR3_MARK, PORT203_FN3),
+	PINMUX_DATA(D19_MARK, PORT203_FN4),
+	PINMUX_DATA(LCDD12_MARK, PORT204_FN1),
+	PINMUX_DATA(PORT204_KEYIN4_MARK, PORT204_FN2),
+	PINMUX_DATA(VIO_DR4_MARK, PORT204_FN3),
+	PINMUX_DATA(D20_MARK, PORT204_FN4),
+	PINMUX_DATA(LCDD13_MARK, PORT205_FN1),
+	PINMUX_DATA(PORT205_KEYIN5_MARK, PORT205_FN2),
+	PINMUX_DATA(VIO_DR5_MARK, PORT205_FN3),
+	PINMUX_DATA(D21_MARK, PORT205_FN4),
+	PINMUX_DATA(LCDD14_MARK, PORT206_FN1),
+	PINMUX_DATA(PORT206_KEYIN6_MARK, PORT206_FN2),
+	PINMUX_DATA(VIO_DR6_MARK, PORT206_FN3),
+	PINMUX_DATA(D22_MARK, PORT206_FN4),
+	PINMUX_DATA(LCDD15_MARK, PORT207_FN1),
+	PINMUX_DATA(PORT207_MSIOF0L_SS1_MARK, PORT207_FN2),
+	PINMUX_DATA(PORT207_KEYOUT0_MARK, PORT207_FN3),
+	PINMUX_DATA(VIO_DR7_MARK, PORT207_FN4),
+	PINMUX_DATA(D23_MARK, PORT207_FN5),
+	PINMUX_DATA(LCDD16_MARK, PORT208_FN1),
+	PINMUX_DATA(PORT208_MSIOF0L_SS2_MARK, PORT208_FN2),
+	PINMUX_DATA(PORT208_KEYOUT1_MARK, PORT208_FN3),
+	PINMUX_DATA(VIO_VDR_MARK, PORT208_FN4),
+	PINMUX_DATA(D24_MARK, PORT208_FN5),
+	PINMUX_DATA(LCDD17_MARK, PORT209_FN1),
+	PINMUX_DATA(PORT209_KEYOUT2_MARK, PORT209_FN2),
+	PINMUX_DATA(VIO_HDR_MARK, PORT209_FN3),
+	PINMUX_DATA(D25_MARK, PORT209_FN4),
+	PINMUX_DATA(LCDD18_MARK, PORT210_FN1),
+	PINMUX_DATA(DREQ2_MARK, PORT210_FN2),
+	PINMUX_DATA(PORT210_MSIOF0L_SS1_MARK, PORT210_FN3),
+	PINMUX_DATA(D26_MARK, PORT210_FN4),
+	PINMUX_DATA(LCDD19_MARK, PORT211_FN1),
+	PINMUX_DATA(PORT211_MSIOF0L_SS2_MARK, PORT211_FN2),
+	PINMUX_DATA(D27_MARK, PORT211_FN3),
+	PINMUX_DATA(LCDD20_MARK, PORT212_FN1),
+	PINMUX_DATA(TS_SPSYNC1_MARK, PORT212_FN2),
+	PINMUX_DATA(MSIOF0L_MCK0_MARK, PORT212_FN3),
+	PINMUX_DATA(D28_MARK, PORT212_FN4),
+	PINMUX_DATA(LCDD21_MARK, PORT213_FN1),
+	PINMUX_DATA(TS_SDAT1_MARK, PORT213_FN2),
+	PINMUX_DATA(MSIOF0L_MCK1_MARK, PORT213_FN3),
+	PINMUX_DATA(D29_MARK, PORT213_FN4),
+	PINMUX_DATA(LCDD22_MARK, PORT214_FN1),
+	PINMUX_DATA(TS_SDEN1_MARK, PORT214_FN2),
+	PINMUX_DATA(MSIOF0L_RSCK_MARK, PORT214_FN3),
+	PINMUX_DATA(D30_MARK, PORT214_FN4),
+	PINMUX_DATA(LCDD23_MARK, PORT215_FN1),
+	PINMUX_DATA(TS_SCK1_MARK, PORT215_FN2),
+	PINMUX_DATA(MSIOF0L_RSYNC_MARK, PORT215_FN3),
+	PINMUX_DATA(D31_MARK, PORT215_FN4),
+	PINMUX_DATA(LCDDCK_MARK, PORT216_FN1),
+	PINMUX_DATA(LCDWR_MARK, PORT216_FN2),
+	PINMUX_DATA(PORT216_KEYOUT3_MARK, PORT216_FN3),
+	PINMUX_DATA(VIO_CLKR_MARK, PORT216_FN4),
+	PINMUX_DATA(LCDRD_MARK, PORT217_FN1),
+	PINMUX_DATA(DACK2_MARK, PORT217_FN2),
+	PINMUX_DATA(MSIOF0L_TSYNC_MARK, PORT217_FN3),
+	PINMUX_DATA(LCDHSYN_MARK, PORT218_FN1),
+	PINMUX_DATA(LCDCS_MARK, PORT218_FN2),
+	PINMUX_DATA(LCDCS2_MARK, PORT218_FN3),
+	PINMUX_DATA(DACK3_MARK, PORT218_FN4),
+	PINMUX_DATA(PORT218_VIO_CKOR_MARK, PORT218_FN5),
+	PINMUX_DATA(PORT218_KEYOUT4_MARK, PORT218_FN6),
+	PINMUX_DATA(LCDDISP_MARK, PORT219_FN1),
+	PINMUX_DATA(LCDRS_MARK, PORT219_FN2),
+	PINMUX_DATA(DREQ3_MARK, PORT219_FN3),
+	PINMUX_DATA(MSIOF0L_TSCK_MARK, PORT219_FN4),
+	PINMUX_DATA(LCDVSYN_MARK, PORT220_FN1),
+	PINMUX_DATA(LCDVSYN2_MARK, PORT220_FN2),
+	PINMUX_DATA(PORT220_KEYOUT5_MARK, PORT220_FN3),
+	PINMUX_DATA(LCDLCLK_MARK, PORT221_FN1),
+	PINMUX_DATA(DREQ1_MARK, PORT221_FN2),
+	PINMUX_DATA(PWEN_MARK, PORT221_FN3),
+	PINMUX_DATA(MSIOF0L_RXD_MARK, PORT221_FN4),
+	PINMUX_DATA(LCDDON_MARK, PORT222_FN1),
+	PINMUX_DATA(LCDDON2_MARK, PORT222_FN2),
+	PINMUX_DATA(DACK1_MARK, PORT222_FN3),
+	PINMUX_DATA(OVCN_MARK, PORT222_FN4),
+	PINMUX_DATA(MSIOF0L_TXD_MARK, PORT222_FN5),
+	PINMUX_DATA(SCIFA1_TXD_MARK, PORT225_FN1),
+	PINMUX_DATA(OVCN2_MARK, PORT225_FN2),
+	PINMUX_DATA(EXTLP_MARK, PORT226_FN1),
+	PINMUX_DATA(SCIFA1_SCK_MARK, PORT226_FN2),
+	PINMUX_DATA(USBTERM_MARK, PORT226_FN3),
+	PINMUX_DATA(PORT226_VIO_CKO2_MARK, PORT226_FN4),
+	PINMUX_DATA(SCIFA1_RTS_MARK, PORT227_FN1),
+	PINMUX_DATA(IDIN_MARK, PORT227_FN2),
+	PINMUX_DATA(SCIFA1_RXD_MARK, PORT228_FN1),
+	PINMUX_DATA(SCIFA1_CTS_MARK, PORT229_FN1),
+	PINMUX_DATA(MFG1_IN1_MARK, PORT229_FN2),
+	PINMUX_DATA(MSIOF1_TXD_MARK, PORT230_FN1),
+	PINMUX_DATA(SCIFA2_TXD2_MARK, PORT230_FN2),
+	PINMUX_DATA(PORT230_FSIAOMC_MARK, PORT230_FN3),
+	PINMUX_DATA(MSIOF1_TSYNC_MARK, PORT231_FN1),
+	PINMUX_DATA(SCIFA2_CTS2_MARK, PORT231_FN2),
+	PINMUX_DATA(PORT231_FSIAOLR_MARK, PORT231_FN3),
+	PINMUX_DATA(MSIOF1_TSCK_MARK, PORT232_FN1),
+	PINMUX_DATA(SCIFA2_SCK2_MARK, PORT232_FN2),
+	PINMUX_DATA(PORT232_FSIAOBT_MARK, PORT232_FN3),
+	PINMUX_DATA(MSIOF1_RXD_MARK, PORT233_FN1),
+	PINMUX_DATA(SCIFA2_RXD2_MARK, PORT233_FN2),
+	PINMUX_DATA(GPS_VCOTRIG_MARK, PORT233_FN3),
+	PINMUX_DATA(PORT233_FSIACK_MARK, PORT233_FN4),
+	PINMUX_DATA(MSIOF1_RSCK_MARK, PORT234_FN1),
+	PINMUX_DATA(SCIFA2_RTS2_MARK, PORT234_FN2),
+	PINMUX_DATA(PORT234_FSIAOSLD_MARK, PORT234_FN3),
+	PINMUX_DATA(MSIOF1_RSYNC_MARK, PORT235_FN1),
+	PINMUX_DATA(OPORT0_MARK, PORT235_FN2),
+	PINMUX_DATA(MFG1_IN2_MARK, PORT235_FN3),
+	PINMUX_DATA(PORT235_FSIAILR_MARK, PORT235_FN4),
+	PINMUX_DATA(MSIOF1_MCK0_MARK, PORT236_FN1),
+	PINMUX_DATA(I2C_SDA2_MARK, PORT236_FN2),
+	PINMUX_DATA(PORT236_FSIAIBT_MARK, PORT236_FN3),
+	PINMUX_DATA(MSIOF1_MCK1_MARK, PORT237_FN1),
+	PINMUX_DATA(I2C_SCL2_MARK, PORT237_FN2),
+	PINMUX_DATA(PORT237_FSIAISLD_MARK, PORT237_FN3),
+	PINMUX_DATA(MSIOF1_SS1_MARK, PORT238_FN1),
+	PINMUX_DATA(EDBGREQ3_MARK, PORT238_FN2),
+
+	/* 55-5 (FN) */
+	PINMUX_DATA(MSIOF1_SS2_MARK, PORT239_FN1),
+	PINMUX_DATA(SCIFA6_TXD_MARK, PORT240_FN1),
+	PINMUX_DATA(PORT241_IRDA_OUT_MARK, PORT241_FN1),
+	PINMUX_DATA(PORT241_IROUT_MARK, PORT241_FN2),
+	PINMUX_DATA(MFG4_OUT1_MARK, PORT241_FN3),
+	PINMUX_DATA(TPU4TO0_MARK, PORT241_FN4),
+	PINMUX_DATA(PORT242_IRDA_IN_MARK, PORT242_FN1),
+	PINMUX_DATA(MFG4_IN2_MARK, PORT242_FN2),
+	PINMUX_DATA(PORT243_IRDA_FIRSEL_MARK, PORT243_FN1),
+	PINMUX_DATA(PORT243_VIO_CKO2_MARK, PORT243_FN2),
+	PINMUX_DATA(PORT244_SCIFA5_CTS_MARK, PORT244_FN1),
+	PINMUX_DATA(MFG2_IN1_MARK, PORT244_FN2),
+	PINMUX_DATA(PORT244_SCIFB_CTS_MARK, PORT244_FN3),
+	PINMUX_DATA(PORT245_SCIFA5_RTS_MARK, PORT245_FN1),
+	PINMUX_DATA(MFG2_IN2_MARK, PORT245_FN2),
+	PINMUX_DATA(PORT245_SCIFB_RTS_MARK, PORT245_FN3),
+	PINMUX_DATA(PORT246_SCIFA5_RXD_MARK, PORT246_FN1),
+	PINMUX_DATA(MFG1_OUT1_MARK, PORT246_FN2),
+	PINMUX_DATA(PORT246_SCIFB_RXD_MARK, PORT246_FN3),
+	PINMUX_DATA(TPU1TO0_MARK, PORT246_FN4),
+	PINMUX_DATA(PORT247_SCIFA5_TXD_MARK, PORT247_FN1),
+	PINMUX_DATA(MFG3_OUT2_MARK, PORT247_FN2),
+	PINMUX_DATA(PORT247_SCIFB_TXD_MARK, PORT247_FN3),
+	PINMUX_DATA(TPU3TO1_MARK, PORT247_FN4),
+	PINMUX_DATA(PORT248_SCIFA5_SCK_MARK, PORT248_FN1),
+	PINMUX_DATA(MFG2_OUT1_MARK, PORT248_FN2),
+	PINMUX_DATA(PORT248_SCIFB_SCK_MARK, PORT248_FN3),
+	PINMUX_DATA(TPU2TO0_MARK, PORT248_FN4),
+	PINMUX_DATA(PORT249_IROUT_MARK, PORT249_FN1),
+	PINMUX_DATA(MFG4_IN1_MARK, PORT249_FN2),
+	PINMUX_DATA(SDHICLK0_MARK, PORT250_FN1),
+	PINMUX_DATA(TCK2_SWCLK_MC0_MARK, PORT250_FN2),
+	PINMUX_DATA(SDHICD0_MARK, PORT251_FN1),
+	PINMUX_DATA(SDHID0_0_MARK, PORT252_FN1),
+	PINMUX_DATA(TMS2_SWDIO_MC0_MARK, PORT252_FN2),
+	PINMUX_DATA(SDHID0_1_MARK, PORT253_FN1),
+	PINMUX_DATA(TDO2_SWO0_MC0_MARK, PORT253_FN2),
+	PINMUX_DATA(SDHID0_2_MARK, PORT254_FN1),
+	PINMUX_DATA(TDI2_MARK, PORT254_FN2),
+	PINMUX_DATA(SDHID0_3_MARK, PORT255_FN1),
+	PINMUX_DATA(RTCK2_SWO1_MC0_MARK, PORT255_FN2),
+	PINMUX_DATA(SDHICMD0_MARK, PORT256_FN1),
+	PINMUX_DATA(TRST2_MARK, PORT256_FN2),
+	PINMUX_DATA(SDHIWP0_MARK, PORT257_FN1),
+	PINMUX_DATA(EDBGREQ2_MARK, PORT257_FN2),
+	PINMUX_DATA(SDHICLK1_MARK, PORT258_FN1),
+	PINMUX_DATA(TCK3_SWCLK_MC1_MARK, PORT258_FN2),
+	PINMUX_DATA(SDHID1_0_MARK, PORT259_FN1),
+	PINMUX_DATA(M11_SLCD_SO2_MARK, PORT259_FN2),
+	PINMUX_DATA(TS_SPSYNC2_MARK, PORT259_FN3),
+	PINMUX_DATA(TMS3_SWDIO_MC1_MARK, PORT259_FN4),
+	PINMUX_DATA(SDHID1_1_MARK, PORT260_FN1),
+	PINMUX_DATA(M9_SLCD_A02_MARK, PORT260_FN2),
+	PINMUX_DATA(TS_SDAT2_MARK, PORT260_FN3),
+	PINMUX_DATA(TDO3_SWO0_MC1_MARK, PORT260_FN4),
+	PINMUX_DATA(SDHID1_2_MARK, PORT261_FN1),
+	PINMUX_DATA(M10_SLCD_CK2_MARK, PORT261_FN2),
+	PINMUX_DATA(TS_SDEN2_MARK, PORT261_FN3),
+	PINMUX_DATA(TDI3_MARK, PORT261_FN4),
+	PINMUX_DATA(SDHID1_3_MARK, PORT262_FN1),
+	PINMUX_DATA(M12_SLCD_CE2_MARK, PORT262_FN2),
+	PINMUX_DATA(TS_SCK2_MARK, PORT262_FN3),
+	PINMUX_DATA(RTCK3_SWO1_MC1_MARK, PORT262_FN4),
+	PINMUX_DATA(SDHICMD1_MARK, PORT263_FN1),
+	PINMUX_DATA(TRST3_MARK, PORT263_FN2),
+	PINMUX_DATA(RESETOUTS_MARK, PORT264_FN1),
+};
+
+#define _GPIO_PORT(pfx, sfx) PINMUX_GPIO(GPIO_PORT##pfx, PORT##pfx##_DATA)
+#define GPIO_PORT_265() _265(_GPIO_PORT, , unused)
+#define GPIO_FN(str) PINMUX_GPIO(GPIO_FN_##str, str##_MARK)
+
+static struct pinmux_gpio pinmux_gpios[] = {
+	/* 55-1 -> 55-5 (GPIO) */
+	GPIO_PORT_265(),
+
+	/* Special Pull-up / Pull-down Functions */
+	GPIO_FN(PORT66_KEYIN0_PU), GPIO_FN(PORT67_KEYIN1_PU),
+	GPIO_FN(PORT68_KEYIN2_PU), GPIO_FN(PORT69_KEYIN3_PU),
+	GPIO_FN(PORT70_KEYIN4_PU), GPIO_FN(PORT71_KEYIN5_PU),
+	GPIO_FN(PORT72_KEYIN6_PU),
+
+	/* 55-1 (FN) */
+	GPIO_FN(VBUS_0),
+	GPIO_FN(CPORT0),
+	GPIO_FN(CPORT1),
+	GPIO_FN(CPORT2),
+	GPIO_FN(CPORT3),
+	GPIO_FN(CPORT4),
+	GPIO_FN(CPORT5),
+	GPIO_FN(CPORT6),
+	GPIO_FN(CPORT7),
+	GPIO_FN(CPORT8),
+	GPIO_FN(CPORT9),
+	GPIO_FN(CPORT10),
+	GPIO_FN(CPORT11), GPIO_FN(SIN2),
+	GPIO_FN(CPORT12), GPIO_FN(XCTS2),
+	GPIO_FN(CPORT13), GPIO_FN(RFSPO4),
+	GPIO_FN(CPORT14), GPIO_FN(RFSPO5),
+	GPIO_FN(CPORT15), GPIO_FN(SCIFA0_SCK), GPIO_FN(GPS_AGC2),
+	GPIO_FN(CPORT16), GPIO_FN(SCIFA0_TXD), GPIO_FN(GPS_AGC3),
+	GPIO_FN(CPORT17_IC_OE), GPIO_FN(SOUT2),
+	GPIO_FN(CPORT18), GPIO_FN(XRTS2), GPIO_FN(PORT19_VIO_CKO2),
+	GPIO_FN(CPORT19_MPORT1),
+	GPIO_FN(CPORT20), GPIO_FN(RFSPO6),
+	GPIO_FN(CPORT21), GPIO_FN(STATUS0),
+	GPIO_FN(CPORT22), GPIO_FN(STATUS1),
+	GPIO_FN(CPORT23), GPIO_FN(STATUS2), GPIO_FN(RFSPO7),
+	GPIO_FN(B_SYNLD1),
+	GPIO_FN(B_SYNLD2), GPIO_FN(SYSENMSK),
+	GPIO_FN(XMAINPS),
+	GPIO_FN(XDIVPS),
+	GPIO_FN(XIDRST),
+	GPIO_FN(IDCLK), GPIO_FN(IC_DP),
+	GPIO_FN(IDIO), GPIO_FN(IC_DM),
+	GPIO_FN(SOUT1), GPIO_FN(SCIFA4_TXD), GPIO_FN(M02_BERDAT),
+	GPIO_FN(SIN1), GPIO_FN(SCIFA4_RXD), GPIO_FN(XWUP),
+	GPIO_FN(XRTS1), GPIO_FN(SCIFA4_RTS), GPIO_FN(M03_BERCLK),
+	GPIO_FN(XCTS1), GPIO_FN(SCIFA4_CTS),
+	GPIO_FN(PCMCLKO),
+	GPIO_FN(SYNC8KO),
+
+	/* 55-2 (FN) */
+	GPIO_FN(DNPCM_A),
+	GPIO_FN(UPPCM_A),
+	GPIO_FN(VACK),
+	GPIO_FN(XTALB1L),
+	GPIO_FN(GPS_AGC1), GPIO_FN(SCIFA0_RTS),
+	GPIO_FN(GPS_AGC4), GPIO_FN(SCIFA0_RXD),
+	GPIO_FN(GPS_PWRDOWN), GPIO_FN(SCIFA0_CTS),
+	GPIO_FN(GPS_IM),
+	GPIO_FN(GPS_IS),
+	GPIO_FN(GPS_QM),
+	GPIO_FN(GPS_QS),
+	GPIO_FN(FMSOCK), GPIO_FN(PORT49_IRDA_OUT), GPIO_FN(PORT49_IROUT),
+	GPIO_FN(FMSOOLR), GPIO_FN(BBIF2_TSYNC2), GPIO_FN(TPU2TO2),
+	GPIO_FN(IPORT3), GPIO_FN(FMSIOLR),
+	GPIO_FN(FMSOOBT), GPIO_FN(BBIF2_TSCK2), GPIO_FN(TPU2TO3),
+	GPIO_FN(OPORT1), GPIO_FN(FMSIOBT),
+	GPIO_FN(FMSOSLD), GPIO_FN(BBIF2_TXD2), GPIO_FN(OPORT2),
+	GPIO_FN(FMSOILR), GPIO_FN(PORT53_IRDA_IN), GPIO_FN(TPU3TO3),
+	GPIO_FN(OPORT3), GPIO_FN(FMSIILR),
+	GPIO_FN(FMSOIBT), GPIO_FN(PORT54_IRDA_FIRSEL), GPIO_FN(TPU3TO2),
+	GPIO_FN(FMSIIBT),
+	GPIO_FN(FMSISLD), GPIO_FN(MFG0_OUT1), GPIO_FN(TPU0TO0),
+	GPIO_FN(A0_EA0), GPIO_FN(BS),
+	GPIO_FN(A12_EA12), GPIO_FN(PORT58_VIO_CKOR), GPIO_FN(TPU4TO2),
+	GPIO_FN(A13_EA13), GPIO_FN(PORT59_IROUT), GPIO_FN(MFG0_OUT2),
+	GPIO_FN(TPU0TO1),
+	GPIO_FN(A14_EA14), GPIO_FN(PORT60_KEYOUT5),
+	GPIO_FN(A15_EA15), GPIO_FN(PORT61_KEYOUT4),
+	GPIO_FN(A16_EA16), GPIO_FN(PORT62_KEYOUT3), GPIO_FN(MSIOF0_SS1),
+	GPIO_FN(A17_EA17), GPIO_FN(PORT63_KEYOUT2), GPIO_FN(MSIOF0_TSYNC),
+	GPIO_FN(A18_EA18), GPIO_FN(PORT64_KEYOUT1), GPIO_FN(MSIOF0_TSCK),
+	GPIO_FN(A19_EA19), GPIO_FN(PORT65_KEYOUT0), GPIO_FN(MSIOF0_TXD),
+	GPIO_FN(A20_EA20), GPIO_FN(PORT66_KEYIN0), GPIO_FN(MSIOF0_RSCK),
+	GPIO_FN(A21_EA21), GPIO_FN(PORT67_KEYIN1), GPIO_FN(MSIOF0_RSYNC),
+	GPIO_FN(A22_EA22), GPIO_FN(PORT68_KEYIN2), GPIO_FN(MSIOF0_MCK0),
+	GPIO_FN(A23_EA23), GPIO_FN(PORT69_KEYIN3), GPIO_FN(MSIOF0_MCK1),
+	GPIO_FN(A24_EA24), GPIO_FN(PORT70_KEYIN4), GPIO_FN(MSIOF0_RXD),
+	GPIO_FN(A25_EA25), GPIO_FN(PORT71_KEYIN5), GPIO_FN(MSIOF0_SS2),
+	GPIO_FN(A26), GPIO_FN(PORT72_KEYIN6),
+	GPIO_FN(D0_ED0_NAF0),
+	GPIO_FN(D1_ED1_NAF1),
+	GPIO_FN(D2_ED2_NAF2),
+	GPIO_FN(D3_ED3_NAF3),
+	GPIO_FN(D4_ED4_NAF4),
+	GPIO_FN(D5_ED5_NAF5),
+	GPIO_FN(D6_ED6_NAF6),
+	GPIO_FN(D7_ED7_NAF7),
+	GPIO_FN(D8_ED8_NAF8),
+	GPIO_FN(D9_ED9_NAF9),
+	GPIO_FN(D10_ED10_NAF10),
+	GPIO_FN(D11_ED11_NAF11),
+	GPIO_FN(D12_ED12_NAF12),
+	GPIO_FN(D13_ED13_NAF13),
+	GPIO_FN(D14_ED14_NAF14),
+	GPIO_FN(D15_ED15_NAF15),
+	GPIO_FN(CS4),
+	GPIO_FN(CS5A), GPIO_FN(FMSICK),
+
+	/* 55-3 (FN) */
+	GPIO_FN(CS5B), GPIO_FN(FCE1),
+	GPIO_FN(CS6B), GPIO_FN(XCS2), GPIO_FN(CS6A), GPIO_FN(DACK0),
+	GPIO_FN(FCE0),
+	GPIO_FN(WAIT), GPIO_FN(DREQ0),
+	GPIO_FN(RD_XRD),
+	GPIO_FN(WE0_XWR0_FWE),
+	GPIO_FN(WE1_XWR1),
+	GPIO_FN(FRB),
+	GPIO_FN(CKO),
+	GPIO_FN(NBRSTOUT),
+	GPIO_FN(NBRST),
+	GPIO_FN(GPS_EPPSIN),
+	GPIO_FN(LATCHPULSE),
+	GPIO_FN(LTESIGNAL),
+	GPIO_FN(LEGACYSTATE),
+	GPIO_FN(TCKON),
+	GPIO_FN(VIO_VD), GPIO_FN(PORT128_KEYOUT0), GPIO_FN(IPORT0),
+	GPIO_FN(VIO_HD), GPIO_FN(PORT129_KEYOUT1), GPIO_FN(IPORT1),
+	GPIO_FN(VIO_D0), GPIO_FN(PORT130_KEYOUT2), GPIO_FN(PORT130_MSIOF2_RXD),
+	GPIO_FN(VIO_D1), GPIO_FN(PORT131_KEYOUT3), GPIO_FN(PORT131_MSIOF2_SS1),
+	GPIO_FN(VIO_D2), GPIO_FN(PORT132_KEYOUT4), GPIO_FN(PORT132_MSIOF2_SS2),
+	GPIO_FN(VIO_D3), GPIO_FN(PORT133_KEYOUT5),
+	GPIO_FN(PORT133_MSIOF2_TSYNC),
+	GPIO_FN(VIO_D4), GPIO_FN(PORT134_KEYIN0), GPIO_FN(PORT134_MSIOF2_TXD),
+	GPIO_FN(VIO_D5), GPIO_FN(PORT135_KEYIN1), GPIO_FN(PORT135_MSIOF2_TSCK),
+	GPIO_FN(VIO_D6), GPIO_FN(PORT136_KEYIN2),
+	GPIO_FN(VIO_D7), GPIO_FN(PORT137_KEYIN3),
+	GPIO_FN(VIO_D8), GPIO_FN(M9_SLCD_A01), GPIO_FN(PORT138_FSIAOMC),
+	GPIO_FN(VIO_D9), GPIO_FN(M10_SLCD_CK1), GPIO_FN(PORT139_FSIAOLR),
+	GPIO_FN(VIO_D10), GPIO_FN(M11_SLCD_SO1), GPIO_FN(TPU0TO2),
+	GPIO_FN(PORT140_FSIAOBT),
+	GPIO_FN(VIO_D11), GPIO_FN(M12_SLCD_CE1), GPIO_FN(TPU0TO3),
+	GPIO_FN(PORT141_FSIAOSLD),
+	GPIO_FN(VIO_D12), GPIO_FN(M13_BSW), GPIO_FN(PORT142_FSIACK),
+	GPIO_FN(VIO_D13), GPIO_FN(M14_GSW), GPIO_FN(PORT143_FSIAILR),
+	GPIO_FN(VIO_D14), GPIO_FN(M15_RSW), GPIO_FN(PORT144_FSIAIBT),
+	GPIO_FN(VIO_D15), GPIO_FN(TPU1TO3), GPIO_FN(PORT145_FSIAISLD),
+	GPIO_FN(VIO_CLK), GPIO_FN(PORT146_KEYIN4), GPIO_FN(IPORT2),
+	GPIO_FN(VIO_FIELD), GPIO_FN(PORT147_KEYIN5),
+	GPIO_FN(VIO_CKO), GPIO_FN(PORT148_KEYIN6),
+	GPIO_FN(A27), GPIO_FN(RDWR_XWE), GPIO_FN(MFG0_IN1),
+	GPIO_FN(MFG0_IN2),
+	GPIO_FN(TS_SPSYNC3), GPIO_FN(MSIOF2_RSCK),
+	GPIO_FN(TS_SDAT3), GPIO_FN(MSIOF2_RSYNC),
+	GPIO_FN(TPU1TO2), GPIO_FN(TS_SDEN3), GPIO_FN(PORT153_MSIOF2_SS1),
+	GPIO_FN(SOUT3), GPIO_FN(SCIFA2_TXD1), GPIO_FN(MSIOF2_MCK0),
+	GPIO_FN(SIN3), GPIO_FN(SCIFA2_RXD1), GPIO_FN(MSIOF2_MCK1),
+	GPIO_FN(XRTS3), GPIO_FN(SCIFA2_RTS1), GPIO_FN(PORT156_MSIOF2_SS2),
+	GPIO_FN(XCTS3), GPIO_FN(SCIFA2_CTS1), GPIO_FN(PORT157_MSIOF2_RXD),
+
+	/* 55-4 (FN) */
+	GPIO_FN(DINT), GPIO_FN(SCIFA2_SCK1), GPIO_FN(TS_SCK3),
+	GPIO_FN(PORT159_SCIFB_SCK), GPIO_FN(PORT159_SCIFA5_SCK), GPIO_FN(NMI),
+	GPIO_FN(PORT160_SCIFB_TXD), GPIO_FN(PORT160_SCIFA5_TXD), GPIO_FN(SOUT0),
+	GPIO_FN(PORT161_SCIFB_CTS), GPIO_FN(PORT161_SCIFA5_CTS), GPIO_FN(XCTS0),
+	GPIO_FN(MFG3_IN2),
+	GPIO_FN(PORT162_SCIFB_RXD), GPIO_FN(PORT162_SCIFA5_RXD), GPIO_FN(SIN0),
+	GPIO_FN(MFG3_IN1),
+	GPIO_FN(PORT163_SCIFB_RTS), GPIO_FN(PORT163_SCIFA5_RTS), GPIO_FN(XRTS0),
+	GPIO_FN(MFG3_OUT1), GPIO_FN(TPU3TO0),
+	GPIO_FN(LCDD0), GPIO_FN(PORT192_KEYOUT0), GPIO_FN(EXT_CKI),
+	GPIO_FN(LCDD1), GPIO_FN(PORT193_KEYOUT1), GPIO_FN(PORT193_SCIFA5_CTS),
+	GPIO_FN(BBIF2_TSYNC1),
+	GPIO_FN(LCDD2), GPIO_FN(PORT194_KEYOUT2), GPIO_FN(PORT194_SCIFA5_RTS),
+	GPIO_FN(BBIF2_TSCK1),
+	GPIO_FN(LCDD3), GPIO_FN(PORT195_KEYOUT3), GPIO_FN(PORT195_SCIFA5_RXD),
+	GPIO_FN(BBIF2_TXD1),
+	GPIO_FN(LCDD4), GPIO_FN(PORT196_KEYOUT4), GPIO_FN(PORT196_SCIFA5_TXD),
+	GPIO_FN(LCDD5), GPIO_FN(PORT197_KEYOUT5), GPIO_FN(PORT197_SCIFA5_SCK),
+	GPIO_FN(MFG2_OUT2),
+	GPIO_FN(LCDD6),
+	GPIO_FN(LCDD7), GPIO_FN(TPU4TO1), GPIO_FN(MFG4_OUT2),
+	GPIO_FN(LCDD8), GPIO_FN(PORT200_KEYIN0), GPIO_FN(VIO_DR0),
+	GPIO_FN(D16),
+	GPIO_FN(LCDD9), GPIO_FN(PORT201_KEYIN1), GPIO_FN(VIO_DR1),
+	GPIO_FN(D17),
+	GPIO_FN(LCDD10), GPIO_FN(PORT202_KEYIN2), GPIO_FN(VIO_DR2),
+	GPIO_FN(D18),
+	GPIO_FN(LCDD11), GPIO_FN(PORT203_KEYIN3), GPIO_FN(VIO_DR3),
+	GPIO_FN(D19),
+	GPIO_FN(LCDD12), GPIO_FN(PORT204_KEYIN4), GPIO_FN(VIO_DR4),
+	GPIO_FN(D20),
+	GPIO_FN(LCDD13), GPIO_FN(PORT205_KEYIN5), GPIO_FN(VIO_DR5),
+	GPIO_FN(D21),
+	GPIO_FN(LCDD14), GPIO_FN(PORT206_KEYIN6), GPIO_FN(VIO_DR6),
+	GPIO_FN(D22),
+	GPIO_FN(LCDD15), GPIO_FN(PORT207_MSIOF0L_SS1), GPIO_FN(PORT207_KEYOUT0),
+	GPIO_FN(VIO_DR7), GPIO_FN(D23),
+	GPIO_FN(LCDD16), GPIO_FN(PORT208_MSIOF0L_SS2), GPIO_FN(PORT208_KEYOUT1),
+	GPIO_FN(VIO_VDR), GPIO_FN(D24),
+	GPIO_FN(LCDD17), GPIO_FN(PORT209_KEYOUT2), GPIO_FN(VIO_HDR),
+	GPIO_FN(D25),
+	GPIO_FN(LCDD18), GPIO_FN(DREQ2), GPIO_FN(PORT210_MSIOF0L_SS1),
+	GPIO_FN(D26),
+	GPIO_FN(LCDD19), GPIO_FN(PORT211_MSIOF0L_SS2), GPIO_FN(D27),
+	GPIO_FN(LCDD20), GPIO_FN(TS_SPSYNC1), GPIO_FN(MSIOF0L_MCK0),
+	GPIO_FN(D28),
+	GPIO_FN(LCDD21), GPIO_FN(TS_SDAT1), GPIO_FN(MSIOF0L_MCK1),
+	GPIO_FN(D29),
+	GPIO_FN(LCDD22), GPIO_FN(TS_SDEN1), GPIO_FN(MSIOF0L_RSCK),
+	GPIO_FN(D30),
+	GPIO_FN(LCDD23), GPIO_FN(TS_SCK1), GPIO_FN(MSIOF0L_RSYNC),
+	GPIO_FN(D31),
+	GPIO_FN(LCDDCK), GPIO_FN(LCDWR), GPIO_FN(PORT216_KEYOUT3),
+	GPIO_FN(VIO_CLKR),
+	GPIO_FN(LCDRD), GPIO_FN(DACK2), GPIO_FN(MSIOF0L_TSYNC),
+	GPIO_FN(LCDHSYN), GPIO_FN(LCDCS), GPIO_FN(LCDCS2), GPIO_FN(DACK3),
+	GPIO_FN(PORT218_VIO_CKOR), GPIO_FN(PORT218_KEYOUT4),
+	GPIO_FN(LCDDISP), GPIO_FN(LCDRS), GPIO_FN(DREQ3), GPIO_FN(MSIOF0L_TSCK),
+	GPIO_FN(LCDVSYN), GPIO_FN(LCDVSYN2), GPIO_FN(PORT220_KEYOUT5),
+	GPIO_FN(LCDLCLK), GPIO_FN(DREQ1), GPIO_FN(PWEN), GPIO_FN(MSIOF0L_RXD),
+	GPIO_FN(LCDDON), GPIO_FN(LCDDON2), GPIO_FN(DACK1), GPIO_FN(OVCN),
+	GPIO_FN(MSIOF0L_TXD),
+	GPIO_FN(SCIFA1_TXD), GPIO_FN(OVCN2),
+	GPIO_FN(EXTLP), GPIO_FN(SCIFA1_SCK), GPIO_FN(USBTERM),
+	GPIO_FN(PORT226_VIO_CKO2),
+	GPIO_FN(SCIFA1_RTS), GPIO_FN(IDIN),
+	GPIO_FN(SCIFA1_RXD),
+	GPIO_FN(SCIFA1_CTS), GPIO_FN(MFG1_IN1),
+	GPIO_FN(MSIOF1_TXD), GPIO_FN(SCIFA2_TXD2), GPIO_FN(PORT230_FSIAOMC),
+	GPIO_FN(MSIOF1_TSYNC), GPIO_FN(SCIFA2_CTS2), GPIO_FN(PORT231_FSIAOLR),
+	GPIO_FN(MSIOF1_TSCK), GPIO_FN(SCIFA2_SCK2), GPIO_FN(PORT232_FSIAOBT),
+	GPIO_FN(MSIOF1_RXD), GPIO_FN(SCIFA2_RXD2), GPIO_FN(GPS_VCOTRIG),
+	GPIO_FN(PORT233_FSIACK),
+	GPIO_FN(MSIOF1_RSCK), GPIO_FN(SCIFA2_RTS2), GPIO_FN(PORT234_FSIAOSLD),
+	GPIO_FN(MSIOF1_RSYNC), GPIO_FN(OPORT0), GPIO_FN(MFG1_IN2),
+	GPIO_FN(PORT235_FSIAILR),
+	GPIO_FN(MSIOF1_MCK0), GPIO_FN(I2C_SDA2), GPIO_FN(PORT236_FSIAIBT),
+	GPIO_FN(MSIOF1_MCK1), GPIO_FN(I2C_SCL2), GPIO_FN(PORT237_FSIAISLD),
+	GPIO_FN(MSIOF1_SS1), GPIO_FN(EDBGREQ3),
+
+	/* 55-5 (FN) */
+	GPIO_FN(MSIOF1_SS2),
+	GPIO_FN(SCIFA6_TXD),
+	GPIO_FN(PORT241_IRDA_OUT), GPIO_FN(PORT241_IROUT), GPIO_FN(MFG4_OUT1),
+	GPIO_FN(TPU4TO0),
+	GPIO_FN(PORT242_IRDA_IN), GPIO_FN(MFG4_IN2),
+	GPIO_FN(PORT243_IRDA_FIRSEL), GPIO_FN(PORT243_VIO_CKO2),
+	GPIO_FN(PORT244_SCIFA5_CTS), GPIO_FN(MFG2_IN1),
+	GPIO_FN(PORT244_SCIFB_CTS),
+	GPIO_FN(PORT245_SCIFA5_RTS), GPIO_FN(MFG2_IN2),
+	GPIO_FN(PORT245_SCIFB_RTS),
+	GPIO_FN(PORT246_SCIFA5_RXD), GPIO_FN(MFG1_OUT1),
+	GPIO_FN(PORT246_SCIFB_RXD), GPIO_FN(TPU1TO0),
+	GPIO_FN(PORT247_SCIFA5_TXD), GPIO_FN(MFG3_OUT2),
+	GPIO_FN(PORT247_SCIFB_TXD), GPIO_FN(TPU3TO1),
+	GPIO_FN(PORT248_SCIFA5_SCK), GPIO_FN(MFG2_OUT1),
+	GPIO_FN(PORT248_SCIFB_SCK), GPIO_FN(TPU2TO0),
+	GPIO_FN(PORT249_IROUT), GPIO_FN(MFG4_IN1),
+	GPIO_FN(SDHICLK0), GPIO_FN(TCK2_SWCLK_MC0),
+	GPIO_FN(SDHICD0),
+	GPIO_FN(SDHID0_0), GPIO_FN(TMS2_SWDIO_MC0),
+	GPIO_FN(SDHID0_1), GPIO_FN(TDO2_SWO0_MC0),
+	GPIO_FN(SDHID0_2), GPIO_FN(TDI2),
+	GPIO_FN(SDHID0_3), GPIO_FN(RTCK2_SWO1_MC0),
+	GPIO_FN(SDHICMD0), GPIO_FN(TRST2),
+	GPIO_FN(SDHIWP0), GPIO_FN(EDBGREQ2),
+	GPIO_FN(SDHICLK1), GPIO_FN(TCK3_SWCLK_MC1),
+	GPIO_FN(SDHID1_0), GPIO_FN(M11_SLCD_SO2), GPIO_FN(TS_SPSYNC2),
+	GPIO_FN(TMS3_SWDIO_MC1),
+	GPIO_FN(SDHID1_1), GPIO_FN(M9_SLCD_A02), GPIO_FN(TS_SDAT2),
+	GPIO_FN(TDO3_SWO0_MC1),
+	GPIO_FN(SDHID1_2), GPIO_FN(M10_SLCD_CK2), GPIO_FN(TS_SDEN2),
+	GPIO_FN(TDI3),
+	GPIO_FN(SDHID1_3), GPIO_FN(M12_SLCD_CE2), GPIO_FN(TS_SCK2),
+	GPIO_FN(RTCK3_SWO1_MC1),
+	GPIO_FN(SDHICMD1), GPIO_FN(TRST3),
+	GPIO_FN(RESETOUTS),
+};
+
+/* helper for top 4 bits in PORTnCR */
+#define PCRH(in, in_pd, in_pu, out)	\
+	0, (out), (in), 0,	\
+		0, 0, 0, 0,	\
+		0, 0, (in_pd), 0,	\
+		0, 0, (in_pu), 0
+
+#define PORTCR(nr, reg)	\
+	{ PINMUX_CFG_REG("PORT" nr "CR", reg, 8, 4) {	\
+			PCRH(PORT##nr##_IN, PORT##nr##_IN_PD,	\
+				 PORT##nr##_IN_PU, PORT##nr##_OUT),	\
+				PORT##nr##_FN0, PORT##nr##_FN1,	\
+				PORT##nr##_FN2, PORT##nr##_FN3,	\
+				PORT##nr##_FN4, PORT##nr##_FN5,	\
+				PORT##nr##_FN6, PORT##nr##_FN7 }	\
+	}
+
+static struct pinmux_cfg_reg pinmux_config_regs[] = {
+	PORTCR(0, 0xe6050000), /* PORT0CR */
+	PORTCR(1, 0xe6050001), /* PORT1CR */
+	PORTCR(2, 0xe6050002), /* PORT2CR */
+	PORTCR(3, 0xe6050003), /* PORT3CR */
+	PORTCR(4, 0xe6050004), /* PORT4CR */
+	PORTCR(5, 0xe6050005), /* PORT5CR */
+	PORTCR(6, 0xe6050006), /* PORT6CR */
+	PORTCR(7, 0xe6050007), /* PORT7CR */
+	PORTCR(8, 0xe6050008), /* PORT8CR */
+	PORTCR(9, 0xe6050009), /* PORT9CR */
+
+	PORTCR(10, 0xe605000a), /* PORT10CR */
+	PORTCR(11, 0xe605000b), /* PORT11CR */
+	PORTCR(12, 0xe605000c), /* PORT12CR */
+	PORTCR(13, 0xe605000d), /* PORT13CR */
+	PORTCR(14, 0xe605000e), /* PORT14CR */
+	PORTCR(15, 0xe605000f), /* PORT15CR */
+	PORTCR(16, 0xe6050010), /* PORT16CR */
+	PORTCR(17, 0xe6050011), /* PORT17CR */
+	PORTCR(18, 0xe6050012), /* PORT18CR */
+	PORTCR(19, 0xe6050013), /* PORT19CR */
+
+	PORTCR(20, 0xe6050014), /* PORT20CR */
+	PORTCR(21, 0xe6050015), /* PORT21CR */
+	PORTCR(22, 0xe6050016), /* PORT22CR */
+	PORTCR(23, 0xe6050017), /* PORT23CR */
+	PORTCR(24, 0xe6050018), /* PORT24CR */
+	PORTCR(25, 0xe6050019), /* PORT25CR */
+	PORTCR(26, 0xe605001a), /* PORT26CR */
+	PORTCR(27, 0xe605001b), /* PORT27CR */
+	PORTCR(28, 0xe605001c), /* PORT28CR */
+	PORTCR(29, 0xe605001d), /* PORT29CR */
+
+	PORTCR(30, 0xe605001e), /* PORT30CR */
+	PORTCR(31, 0xe605001f), /* PORT31CR */
+	PORTCR(32, 0xe6050020), /* PORT32CR */
+	PORTCR(33, 0xe6050021), /* PORT33CR */
+	PORTCR(34, 0xe6050022), /* PORT34CR */
+	PORTCR(35, 0xe6050023), /* PORT35CR */
+	PORTCR(36, 0xe6050024), /* PORT36CR */
+	PORTCR(37, 0xe6050025), /* PORT37CR */
+	PORTCR(38, 0xe6050026), /* PORT38CR */
+	PORTCR(39, 0xe6050027), /* PORT39CR */
+
+	PORTCR(40, 0xe6050028), /* PORT40CR */
+	PORTCR(41, 0xe6050029), /* PORT41CR */
+	PORTCR(42, 0xe605002a), /* PORT42CR */
+	PORTCR(43, 0xe605002b), /* PORT43CR */
+	PORTCR(44, 0xe605002c), /* PORT44CR */
+	PORTCR(45, 0xe605002d), /* PORT45CR */
+	PORTCR(46, 0xe605002e), /* PORT46CR */
+	PORTCR(47, 0xe605002f), /* PORT47CR */
+	PORTCR(48, 0xe6050030), /* PORT48CR */
+	PORTCR(49, 0xe6050031), /* PORT49CR */
+
+	PORTCR(50, 0xe6050032), /* PORT50CR */
+	PORTCR(51, 0xe6050033), /* PORT51CR */
+	PORTCR(52, 0xe6050034), /* PORT52CR */
+	PORTCR(53, 0xe6050035), /* PORT53CR */
+	PORTCR(54, 0xe6050036), /* PORT54CR */
+	PORTCR(55, 0xe6050037), /* PORT55CR */
+	PORTCR(56, 0xe6050038), /* PORT56CR */
+	PORTCR(57, 0xe6050039), /* PORT57CR */
+	PORTCR(58, 0xe605003a), /* PORT58CR */
+	PORTCR(59, 0xe605003b), /* PORT59CR */
+
+	PORTCR(60, 0xe605003c), /* PORT60CR */
+	PORTCR(61, 0xe605003d), /* PORT61CR */
+	PORTCR(62, 0xe605003e), /* PORT62CR */
+	PORTCR(63, 0xe605003f), /* PORT63CR */
+	PORTCR(64, 0xe6050040), /* PORT64CR */
+	PORTCR(65, 0xe6050041), /* PORT65CR */
+	PORTCR(66, 0xe6050042), /* PORT66CR */
+	PORTCR(67, 0xe6050043), /* PORT67CR */
+	PORTCR(68, 0xe6050044), /* PORT68CR */
+	PORTCR(69, 0xe6050045), /* PORT69CR */
+
+	PORTCR(70, 0xe6050046), /* PORT70CR */
+	PORTCR(71, 0xe6050047), /* PORT71CR */
+	PORTCR(72, 0xe6050048), /* PORT72CR */
+	PORTCR(73, 0xe6050049), /* PORT73CR */
+	PORTCR(74, 0xe605004a), /* PORT74CR */
+	PORTCR(75, 0xe605004b), /* PORT75CR */
+	PORTCR(76, 0xe605004c), /* PORT76CR */
+	PORTCR(77, 0xe605004d), /* PORT77CR */
+	PORTCR(78, 0xe605004e), /* PORT78CR */
+	PORTCR(79, 0xe605004f), /* PORT79CR */
+
+	PORTCR(80, 0xe6050050), /* PORT80CR */
+	PORTCR(81, 0xe6050051), /* PORT81CR */
+	PORTCR(82, 0xe6050052), /* PORT82CR */
+	PORTCR(83, 0xe6050053), /* PORT83CR */
+	PORTCR(84, 0xe6050054), /* PORT84CR */
+	PORTCR(85, 0xe6050055), /* PORT85CR */
+	PORTCR(86, 0xe6050056), /* PORT86CR */
+	PORTCR(87, 0xe6050057), /* PORT87CR */
+	PORTCR(88, 0xe6050058), /* PORT88CR */
+	PORTCR(89, 0xe6050059), /* PORT89CR */
+
+	PORTCR(90, 0xe605005a), /* PORT90CR */
+	PORTCR(91, 0xe605005b), /* PORT91CR */
+	PORTCR(92, 0xe605005c), /* PORT92CR */
+	PORTCR(93, 0xe605005d), /* PORT93CR */
+	PORTCR(94, 0xe605005e), /* PORT94CR */
+	PORTCR(95, 0xe605005f), /* PORT95CR */
+	PORTCR(96, 0xe6050060), /* PORT96CR */
+	PORTCR(97, 0xe6050061), /* PORT97CR */
+	PORTCR(98, 0xe6050062), /* PORT98CR */
+	PORTCR(99, 0xe6050063), /* PORT99CR */
+
+	PORTCR(100, 0xe6050064), /* PORT100CR */
+	PORTCR(101, 0xe6050065), /* PORT101CR */
+	PORTCR(102, 0xe6050066), /* PORT102CR */
+	PORTCR(103, 0xe6050067), /* PORT103CR */
+	PORTCR(104, 0xe6050068), /* PORT104CR */
+	PORTCR(105, 0xe6050069), /* PORT105CR */
+	PORTCR(106, 0xe605006a), /* PORT106CR */
+	PORTCR(107, 0xe605006b), /* PORT107CR */
+	PORTCR(108, 0xe605006c), /* PORT108CR */
+	PORTCR(109, 0xe605006d), /* PORT109CR */
+
+	PORTCR(110, 0xe605006e), /* PORT110CR */
+	PORTCR(111, 0xe605006f), /* PORT111CR */
+	PORTCR(112, 0xe6050070), /* PORT112CR */
+	PORTCR(113, 0xe6050071), /* PORT113CR */
+	PORTCR(114, 0xe6050072), /* PORT114CR */
+	PORTCR(115, 0xe6050073), /* PORT115CR */
+	PORTCR(116, 0xe6050074), /* PORT116CR */
+	PORTCR(117, 0xe6050075), /* PORT117CR */
+	PORTCR(118, 0xe6050076), /* PORT118CR */
+
+	PORTCR(128, 0xe6051080), /* PORT128CR */
+	PORTCR(129, 0xe6051081), /* PORT129CR */
+
+	PORTCR(130, 0xe6051082), /* PORT130CR */
+	PORTCR(131, 0xe6051083), /* PORT131CR */
+	PORTCR(132, 0xe6051084), /* PORT132CR */
+	PORTCR(133, 0xe6051085), /* PORT133CR */
+	PORTCR(134, 0xe6051086), /* PORT134CR */
+	PORTCR(135, 0xe6051087), /* PORT135CR */
+	PORTCR(136, 0xe6051088), /* PORT136CR */
+	PORTCR(137, 0xe6051089), /* PORT137CR */
+	PORTCR(138, 0xe605108a), /* PORT138CR */
+	PORTCR(139, 0xe605108b), /* PORT139CR */
+
+	PORTCR(140, 0xe605108c), /* PORT140CR */
+	PORTCR(141, 0xe605108d), /* PORT141CR */
+	PORTCR(142, 0xe605108e), /* PORT142CR */
+	PORTCR(143, 0xe605108f), /* PORT143CR */
+	PORTCR(144, 0xe6051090), /* PORT144CR */
+	PORTCR(145, 0xe6051091), /* PORT145CR */
+	PORTCR(146, 0xe6051092), /* PORT146CR */
+	PORTCR(147, 0xe6051093), /* PORT147CR */
+	PORTCR(148, 0xe6051094), /* PORT148CR */
+	PORTCR(149, 0xe6051095), /* PORT149CR */
+
+	PORTCR(150, 0xe6051096), /* PORT150CR */
+	PORTCR(151, 0xe6051097), /* PORT151CR */
+	PORTCR(152, 0xe6051098), /* PORT152CR */
+	PORTCR(153, 0xe6051099), /* PORT153CR */
+	PORTCR(154, 0xe605109a), /* PORT154CR */
+	PORTCR(155, 0xe605109b), /* PORT155CR */
+	PORTCR(156, 0xe605109c), /* PORT156CR */
+	PORTCR(157, 0xe605109d), /* PORT157CR */
+	PORTCR(158, 0xe605109e), /* PORT158CR */
+	PORTCR(159, 0xe605109f), /* PORT159CR */
+
+	PORTCR(160, 0xe60510a0), /* PORT160CR */
+	PORTCR(161, 0xe60510a1), /* PORT161CR */
+	PORTCR(162, 0xe60510a2), /* PORT162CR */
+	PORTCR(163, 0xe60510a3), /* PORT163CR */
+	PORTCR(164, 0xe60510a4), /* PORT164CR */
+
+	PORTCR(192, 0xe60520c0), /* PORT192CR */
+	PORTCR(193, 0xe60520c1), /* PORT193CR */
+	PORTCR(194, 0xe60520c2), /* PORT194CR */
+	PORTCR(195, 0xe60520c3), /* PORT195CR */
+	PORTCR(196, 0xe60520c4), /* PORT196CR */
+	PORTCR(197, 0xe60520c5), /* PORT197CR */
+	PORTCR(198, 0xe60520c6), /* PORT198CR */
+	PORTCR(199, 0xe60520c7), /* PORT199CR */
+
+	PORTCR(200, 0xe60520c8), /* PORT200CR */
+	PORTCR(201, 0xe60520c9), /* PORT201CR */
+	PORTCR(202, 0xe60520ca), /* PORT202CR */
+	PORTCR(203, 0xe60520cb), /* PORT203CR */
+	PORTCR(204, 0xe60520cc), /* PORT204CR */
+	PORTCR(205, 0xe60520cd), /* PORT205CR */
+	PORTCR(206, 0xe60520ce), /* PORT206CR */
+	PORTCR(207, 0xe60520cf), /* PORT207CR */
+	PORTCR(208, 0xe60520d0), /* PORT208CR */
+	PORTCR(209, 0xe60520d1), /* PORT209CR */
+
+	PORTCR(210, 0xe60520d2), /* PORT210CR */
+	PORTCR(211, 0xe60520d3), /* PORT211CR */
+	PORTCR(212, 0xe60520d4), /* PORT212CR */
+	PORTCR(213, 0xe60520d5), /* PORT213CR */
+	PORTCR(214, 0xe60520d6), /* PORT214CR */
+	PORTCR(215, 0xe60520d7), /* PORT215CR */
+	PORTCR(216, 0xe60520d8), /* PORT216CR */
+	PORTCR(217, 0xe60520d9), /* PORT217CR */
+	PORTCR(218, 0xe60520da), /* PORT218CR */
+	PORTCR(219, 0xe60520db), /* PORT219CR */
+
+	PORTCR(220, 0xe60520dc), /* PORT220CR */
+	PORTCR(221, 0xe60520dd), /* PORT221CR */
+	PORTCR(222, 0xe60520de), /* PORT222CR */
+	PORTCR(223, 0xe60520df), /* PORT223CR */
+	PORTCR(224, 0xe60520e0), /* PORT224CR */
+	PORTCR(225, 0xe60520e1), /* PORT225CR */
+	PORTCR(226, 0xe60520e2), /* PORT226CR */
+	PORTCR(227, 0xe60520e3), /* PORT227CR */
+	PORTCR(228, 0xe60520e4), /* PORT228CR */
+	PORTCR(229, 0xe60520e5), /* PORT229CR */
+
+	PORTCR(230, 0xe60520e6), /* PORT230CR */
+	PORTCR(231, 0xe60520e7), /* PORT231CR */
+	PORTCR(232, 0xe60520e8), /* PORT232CR */
+	PORTCR(233, 0xe60520e9), /* PORT233CR */
+	PORTCR(234, 0xe60520ea), /* PORT234CR */
+	PORTCR(235, 0xe60520eb), /* PORT235CR */
+	PORTCR(236, 0xe60520ec), /* PORT236CR */
+	PORTCR(237, 0xe60520ed), /* PORT237CR */
+	PORTCR(238, 0xe60520ee), /* PORT238CR */
+	PORTCR(239, 0xe60520ef), /* PORT239CR */
+
+	PORTCR(240, 0xe60520f0), /* PORT240CR */
+	PORTCR(241, 0xe60520f1), /* PORT241CR */
+	PORTCR(242, 0xe60520f2), /* PORT242CR */
+	PORTCR(243, 0xe60520f3), /* PORT243CR */
+	PORTCR(244, 0xe60520f4), /* PORT244CR */
+	PORTCR(245, 0xe60520f5), /* PORT245CR */
+	PORTCR(246, 0xe60520f6), /* PORT246CR */
+	PORTCR(247, 0xe60520f7), /* PORT247CR */
+	PORTCR(248, 0xe60520f8), /* PORT248CR */
+	PORTCR(249, 0xe60520f9), /* PORT249CR */
+
+	PORTCR(250, 0xe60520fa), /* PORT250CR */
+	PORTCR(251, 0xe60520fb), /* PORT251CR */
+	PORTCR(252, 0xe60520fc), /* PORT252CR */
+	PORTCR(253, 0xe60520fd), /* PORT253CR */
+	PORTCR(254, 0xe60520fe), /* PORT254CR */
+	PORTCR(255, 0xe60520ff), /* PORT255CR */
+	PORTCR(256, 0xe6052100), /* PORT256CR */
+	PORTCR(257, 0xe6052101), /* PORT257CR */
+	PORTCR(258, 0xe6052102), /* PORT258CR */
+	PORTCR(259, 0xe6052103), /* PORT259CR */
+
+	PORTCR(260, 0xe6052104), /* PORT260CR */
+	PORTCR(261, 0xe6052105), /* PORT261CR */
+	PORTCR(262, 0xe6052106), /* PORT262CR */
+	PORTCR(263, 0xe6052107), /* PORT263CR */
+	PORTCR(264, 0xe6052108), /* PORT264CR */
+
+	{ PINMUX_CFG_REG("MSELBCR", 0xe6058024, 32, 1) {
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			MSELBCR_MSEL17_0, MSELBCR_MSEL17_1,
+			MSELBCR_MSEL16_0, MSELBCR_MSEL16_1,
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
+	},
+	{ },
+};
+
+static struct pinmux_data_reg pinmux_data_regs[] = {
+	{ PINMUX_DATA_REG("PORTL031_000DR", 0xe6054000, 32) {
+			PORT31_DATA, PORT30_DATA, PORT29_DATA, PORT28_DATA,
+			PORT27_DATA, PORT26_DATA, PORT25_DATA, PORT24_DATA,
+			PORT23_DATA, PORT22_DATA, PORT21_DATA, PORT20_DATA,
+			PORT19_DATA, PORT18_DATA, PORT17_DATA, PORT16_DATA,
+			PORT15_DATA, PORT14_DATA, PORT13_DATA, PORT12_DATA,
+			PORT11_DATA, PORT10_DATA, PORT9_DATA, PORT8_DATA,
+			PORT7_DATA, PORT6_DATA, PORT5_DATA, PORT4_DATA,
+			PORT3_DATA, PORT2_DATA, PORT1_DATA, PORT0_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTL063_032DR", 0xe6054004, 32) {
+			PORT63_DATA, PORT62_DATA, PORT61_DATA, PORT60_DATA,
+			PORT59_DATA, PORT58_DATA, PORT57_DATA, PORT56_DATA,
+			PORT55_DATA, PORT54_DATA, PORT53_DATA, PORT52_DATA,
+			PORT51_DATA, PORT50_DATA, PORT49_DATA, PORT48_DATA,
+			PORT47_DATA, PORT46_DATA, PORT45_DATA, PORT44_DATA,
+			PORT43_DATA, PORT42_DATA, PORT41_DATA, PORT40_DATA,
+			PORT39_DATA, PORT38_DATA, PORT37_DATA, PORT36_DATA,
+			PORT35_DATA, PORT34_DATA, PORT33_DATA, PORT32_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTL095_064DR", 0xe6054008, 32) {
+			PORT95_DATA, PORT94_DATA, PORT93_DATA, PORT92_DATA,
+			PORT91_DATA, PORT90_DATA, PORT89_DATA, PORT88_DATA,
+			PORT87_DATA, PORT86_DATA, PORT85_DATA, PORT84_DATA,
+			PORT83_DATA, PORT82_DATA, PORT81_DATA, PORT80_DATA,
+			PORT79_DATA, PORT78_DATA, PORT77_DATA, PORT76_DATA,
+			PORT75_DATA, PORT74_DATA, PORT73_DATA, PORT72_DATA,
+			PORT71_DATA, PORT70_DATA, PORT69_DATA, PORT68_DATA,
+			PORT67_DATA, PORT66_DATA, PORT65_DATA, PORT64_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTD127_096DR", 0xe605400C, 32) {
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, PORT118_DATA, PORT117_DATA, PORT116_DATA,
+			PORT115_DATA, PORT114_DATA, PORT113_DATA, PORT112_DATA,
+			PORT111_DATA, PORT110_DATA, PORT109_DATA, PORT108_DATA,
+			PORT107_DATA, PORT106_DATA, PORT105_DATA, PORT104_DATA,
+			PORT103_DATA, PORT102_DATA, PORT101_DATA, PORT100_DATA,
+			PORT99_DATA, PORT98_DATA, PORT97_DATA, PORT96_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTD159_128DR", 0xe6055000, 32) {
+			PORT159_DATA, PORT158_DATA, PORT157_DATA, PORT156_DATA,
+			PORT155_DATA, PORT154_DATA, PORT153_DATA, PORT152_DATA,
+			PORT151_DATA, PORT150_DATA, PORT149_DATA, PORT148_DATA,
+			PORT147_DATA, PORT146_DATA, PORT145_DATA, PORT144_DATA,
+			PORT143_DATA, PORT142_DATA, PORT141_DATA, PORT140_DATA,
+			PORT139_DATA, PORT138_DATA, PORT137_DATA, PORT136_DATA,
+			PORT135_DATA, PORT134_DATA, PORT133_DATA, PORT132_DATA,
+			PORT131_DATA, PORT130_DATA, PORT129_DATA, PORT128_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTR191_160DR", 0xe6055004, 32) {
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, PORT164_DATA,
+			PORT163_DATA, PORT162_DATA, PORT161_DATA, PORT160_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTR223_192DR", 0xe6056000, 32) {
+			PORT223_DATA, PORT222_DATA, PORT221_DATA, PORT220_DATA,
+			PORT219_DATA, PORT218_DATA, PORT217_DATA, PORT216_DATA,
+			PORT215_DATA, PORT214_DATA, PORT213_DATA, PORT212_DATA,
+			PORT211_DATA, PORT210_DATA, PORT209_DATA, PORT208_DATA,
+			PORT207_DATA, PORT206_DATA, PORT205_DATA, PORT204_DATA,
+			PORT203_DATA, PORT202_DATA, PORT201_DATA, PORT200_DATA,
+			PORT199_DATA, PORT198_DATA, PORT197_DATA, PORT196_DATA,
+			PORT195_DATA, PORT194_DATA, PORT193_DATA, PORT192_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTU255_224DR", 0xe6056004, 32) {
+			PORT255_DATA, PORT254_DATA, PORT253_DATA, PORT252_DATA,
+			PORT251_DATA, PORT250_DATA, PORT249_DATA, PORT248_DATA,
+			PORT247_DATA, PORT246_DATA, PORT245_DATA, PORT244_DATA,
+			PORT243_DATA, PORT242_DATA, PORT241_DATA, PORT240_DATA,
+			PORT239_DATA, PORT238_DATA, PORT237_DATA, PORT236_DATA,
+			PORT235_DATA, PORT234_DATA, PORT233_DATA, PORT232_DATA,
+			PORT231_DATA, PORT230_DATA, PORT229_DATA, PORT228_DATA,
+			PORT227_DATA, PORT226_DATA, PORT225_DATA, PORT224_DATA }
+	},
+	{ PINMUX_DATA_REG("PORTU287_256DR", 0xe6056008, 32) {
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, 0,
+			0, 0, 0, PORT264_DATA,
+			PORT263_DATA, PORT262_DATA, PORT261_DATA, PORT260_DATA,
+			PORT259_DATA, PORT258_DATA, PORT257_DATA, PORT256_DATA }
+	},
+	{ },
+};
+
+static struct pinmux_info sh7377_pinmux_info = {
+	.name = "sh7377_pfc",
+	.reserved_id = PINMUX_RESERVED,
+	.data = { PINMUX_DATA_BEGIN, PINMUX_DATA_END },
+	.input = { PINMUX_INPUT_BEGIN, PINMUX_INPUT_END },
+	.input_pu = { PINMUX_INPUT_PULLUP_BEGIN, PINMUX_INPUT_PULLUP_END },
+	.input_pd = { PINMUX_INPUT_PULLDOWN_BEGIN, PINMUX_INPUT_PULLDOWN_END },
+	.output = { PINMUX_OUTPUT_BEGIN, PINMUX_OUTPUT_END },
+	.mark = { PINMUX_MARK_BEGIN, PINMUX_MARK_END },
+	.function = { PINMUX_FUNCTION_BEGIN, PINMUX_FUNCTION_END },
+
+	.first_gpio = GPIO_PORT0,
+	.last_gpio = GPIO_FN_RESETOUTS,
+
+	.gpios = pinmux_gpios,
+	.cfg_regs = pinmux_config_regs,
+	.data_regs = pinmux_data_regs,
+
+	.gpio_data = pinmux_data,
+	.gpio_data_size = ARRAY_SIZE(pinmux_data),
+};
+
+void sh7377_pinmux_init(void)
+{
+	register_pinmux(&sh7377_pinmux_info);
+}
diff --git a/arch/arm/mach-shmobile/setup-sh7367.c b/arch/arm/mach-shmobile/setup-sh7367.c
new file mode 100644
index 000000000000..eca90716140e
--- /dev/null
+++ b/arch/arm/mach-shmobile/setup-sh7367.c
@@ -0,0 +1,198 @@
+/*
+ * sh7367 processor support
+ *
+ * Copyright (C) 2010  Magnus Damm
+ * Copyright (C) 2008  Yoshihiro Shimoda
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/io.h>
+#include <linux/serial_sci.h>
+#include <linux/sh_timer.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+static struct plat_sci_port scif0_platform_data = {
+	.mapbase	= 0xe6c40000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs		= { 80, 80, 80, 80 },
+};
+
+static struct platform_device scif0_device = {
+	.name		= "sh-sci",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &scif0_platform_data,
+	},
+};
+
+static struct plat_sci_port scif1_platform_data = {
+	.mapbase	= 0xe6c50000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 81, 81, 81, 81 },
+};
+
+static struct platform_device scif1_device = {
+	.name		= "sh-sci",
+	.id		= 1,
+	.dev		= {
+		.platform_data	= &scif1_platform_data,
+	},
+};
+
+static struct plat_sci_port scif2_platform_data = {
+	.mapbase	= 0xe6c60000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 82, 82, 82, 82 },
+};
+
+static struct platform_device scif2_device = {
+	.name		= "sh-sci",
+	.id		= 2,
+	.dev		= {
+		.platform_data	= &scif2_platform_data,
+	},
+};
+
+static struct plat_sci_port scif3_platform_data = {
+	.mapbase	= 0xe6c70000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 83, 83, 83, 83 },
+};
+
+static struct platform_device scif3_device = {
+	.name		= "sh-sci",
+	.id		= 3,
+	.dev		= {
+		.platform_data	= &scif3_platform_data,
+	},
+};
+
+static struct plat_sci_port scif4_platform_data = {
+	.mapbase	= 0xe6c80000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 89, 89, 89, 89 },
+};
+
+static struct platform_device scif4_device = {
+	.name		= "sh-sci",
+	.id		= 4,
+	.dev		= {
+		.platform_data	= &scif4_platform_data,
+	},
+};
+
+static struct plat_sci_port scif5_platform_data = {
+	.mapbase	= 0xe6cb0000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 90, 90, 90, 90 },
+};
+
+static struct platform_device scif5_device = {
+	.name		= "sh-sci",
+	.id		= 5,
+	.dev		= {
+		.platform_data	= &scif5_platform_data,
+	},
+};
+
+static struct plat_sci_port scif6_platform_data = {
+	.mapbase	= 0xe6c30000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 91, 91, 91, 91 },
+};
+
+static struct platform_device scif6_device = {
+	.name		= "sh-sci",
+	.id		= 6,
+	.dev		= {
+		.platform_data	= &scif6_platform_data,
+	},
+};
+
+static struct sh_timer_config cmt10_platform_data = {
+	.name = "CMT10",
+	.channel_offset = 0x10,
+	.timer_bit = 0,
+	.clk = "r_clk",
+	.clockevent_rating = 125,
+	.clocksource_rating = 125,
+};
+
+static struct resource cmt10_resources[] = {
+	[0] = {
+		.name	= "CMT10",
+		.start	= 0xe6138010,
+		.end	= 0xe613801b,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 72,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device cmt10_device = {
+	.name		= "sh_cmt",
+	.id		= 10,
+	.dev = {
+		.platform_data	= &cmt10_platform_data,
+	},
+	.resource	= cmt10_resources,
+	.num_resources	= ARRAY_SIZE(cmt10_resources),
+};
+
+static struct platform_device *sh7367_early_devices[] __initdata = {
+	&scif0_device,
+	&scif1_device,
+	&scif2_device,
+	&scif3_device,
+	&scif4_device,
+	&scif5_device,
+	&scif6_device,
+	&cmt10_device,
+};
+
+void __init sh7367_add_standard_devices(void)
+{
+	platform_add_devices(sh7367_early_devices,
+			     ARRAY_SIZE(sh7367_early_devices));
+}
+
+#define SYMSTPCR2 0xe6158048
+#define SYMSTPCR2_CMT1 (1 << 29)
+
+void __init sh7367_add_early_devices(void)
+{
+	/* enable clock to CMT1 */
+	__raw_writel(__raw_readl(SYMSTPCR2) & ~SYMSTPCR2_CMT1, SYMSTPCR2);
+
+	early_platform_add_devices(sh7367_early_devices,
+				   ARRAY_SIZE(sh7367_early_devices));
+}
diff --git a/arch/arm/mach-shmobile/setup-sh7372.c b/arch/arm/mach-shmobile/setup-sh7372.c
new file mode 100644
index 000000000000..1d1153290f59
--- /dev/null
+++ b/arch/arm/mach-shmobile/setup-sh7372.c
@@ -0,0 +1,199 @@
+/*
+ * sh7372 processor support
+ *
+ * Copyright (C) 2010  Magnus Damm
+ * Copyright (C) 2008  Yoshihiro Shimoda
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/io.h>
+#include <linux/serial_sci.h>
+#include <linux/sh_intc.h>
+#include <linux/sh_timer.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+static struct plat_sci_port scif0_platform_data = {
+	.mapbase	= 0xe6c40000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs		= { 80, 80, 80, 80 },
+};
+
+static struct platform_device scif0_device = {
+	.name		= "sh-sci",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &scif0_platform_data,
+	},
+};
+
+static struct plat_sci_port scif1_platform_data = {
+	.mapbase	= 0xe6c50000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 81, 81, 81, 81 },
+};
+
+static struct platform_device scif1_device = {
+	.name		= "sh-sci",
+	.id		= 1,
+	.dev		= {
+		.platform_data	= &scif1_platform_data,
+	},
+};
+
+static struct plat_sci_port scif2_platform_data = {
+	.mapbase	= 0xe6c60000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 82, 82, 82, 82 },
+};
+
+static struct platform_device scif2_device = {
+	.name		= "sh-sci",
+	.id		= 2,
+	.dev		= {
+		.platform_data	= &scif2_platform_data,
+	},
+};
+
+static struct plat_sci_port scif3_platform_data = {
+	.mapbase	= 0xe6c70000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 83, 83, 83, 83 },
+};
+
+static struct platform_device scif3_device = {
+	.name		= "sh-sci",
+	.id		= 3,
+	.dev		= {
+		.platform_data	= &scif3_platform_data,
+	},
+};
+
+static struct plat_sci_port scif4_platform_data = {
+	.mapbase	= 0xe6c80000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 89, 89, 89, 89 },
+};
+
+static struct platform_device scif4_device = {
+	.name		= "sh-sci",
+	.id		= 4,
+	.dev		= {
+		.platform_data	= &scif4_platform_data,
+	},
+};
+
+static struct plat_sci_port scif5_platform_data = {
+	.mapbase	= 0xe6cb0000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 90, 90, 90, 90 },
+};
+
+static struct platform_device scif5_device = {
+	.name		= "sh-sci",
+	.id		= 5,
+	.dev		= {
+		.platform_data	= &scif5_platform_data,
+	},
+};
+
+static struct plat_sci_port scif6_platform_data = {
+	.mapbase	= 0xe6c30000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 91, 91, 91, 91 },
+};
+
+static struct platform_device scif6_device = {
+	.name		= "sh-sci",
+	.id		= 6,
+	.dev		= {
+		.platform_data	= &scif6_platform_data,
+	},
+};
+
+static struct sh_timer_config cmt10_platform_data = {
+	.name = "CMT10",
+	.channel_offset = 0x10,
+	.timer_bit = 0,
+	.clk = "r_clk",
+	.clockevent_rating = 125,
+	.clocksource_rating = 125,
+};
+
+static struct resource cmt10_resources[] = {
+	[0] = {
+		.name	= "CMT10",
+		.start	= 0xe6138010,
+		.end	= 0xe613801b,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 72,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device cmt10_device = {
+	.name		= "sh_cmt",
+	.id		= 10,
+	.dev = {
+		.platform_data	= &cmt10_platform_data,
+	},
+	.resource	= cmt10_resources,
+	.num_resources	= ARRAY_SIZE(cmt10_resources),
+};
+
+static struct platform_device *sh7372_early_devices[] __initdata = {
+	&scif0_device,
+	&scif1_device,
+	&scif2_device,
+	&scif3_device,
+	&scif4_device,
+	&scif5_device,
+	&scif6_device,
+	&cmt10_device,
+};
+
+void __init sh7372_add_standard_devices(void)
+{
+	platform_add_devices(sh7372_early_devices,
+			    ARRAY_SIZE(sh7372_early_devices));
+}
+
+#define SMSTPCR3 0xe615013c
+#define SMSTPCR3_CMT1 (1 << 29)
+
+void __init sh7372_add_early_devices(void)
+{
+	/* enable clock to CMT1 */
+	__raw_writel(__raw_readl(SMSTPCR3) & ~SMSTPCR3_CMT1, SMSTPCR3);
+
+	early_platform_add_devices(sh7372_early_devices,
+				   ARRAY_SIZE(sh7372_early_devices));
+}
diff --git a/arch/arm/mach-shmobile/setup-sh7377.c b/arch/arm/mach-shmobile/setup-sh7377.c
new file mode 100644
index 000000000000..60e37774c35c
--- /dev/null
+++ b/arch/arm/mach-shmobile/setup-sh7377.c
@@ -0,0 +1,215 @@
+/*
+ * sh7377 processor support
+ *
+ * Copyright (C) 2010  Magnus Damm
+ * Copyright (C) 2008  Yoshihiro Shimoda
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/input.h>
+#include <linux/io.h>
+#include <linux/serial_sci.h>
+#include <linux/sh_intc.h>
+#include <linux/sh_timer.h>
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+
+static struct plat_sci_port scif0_platform_data = {
+	.mapbase	= 0xe6c40000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs		= { 80, 80, 80, 80 },
+};
+
+static struct platform_device scif0_device = {
+	.name		= "sh-sci",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &scif0_platform_data,
+	},
+};
+
+static struct plat_sci_port scif1_platform_data = {
+	.mapbase	= 0xe6c50000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 81, 81, 81, 81 },
+};
+
+static struct platform_device scif1_device = {
+	.name		= "sh-sci",
+	.id		= 1,
+	.dev		= {
+		.platform_data	= &scif1_platform_data,
+	},
+};
+
+static struct plat_sci_port scif2_platform_data = {
+	.mapbase	= 0xe6c60000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 82, 82, 82, 82 },
+};
+
+static struct platform_device scif2_device = {
+	.name		= "sh-sci",
+	.id		= 2,
+	.dev		= {
+		.platform_data	= &scif2_platform_data,
+	},
+};
+
+static struct plat_sci_port scif3_platform_data = {
+	.mapbase	= 0xe6c70000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 83, 83, 83, 83 },
+};
+
+static struct platform_device scif3_device = {
+	.name		= "sh-sci",
+	.id		= 3,
+	.dev		= {
+		.platform_data	= &scif3_platform_data,
+	},
+};
+
+static struct plat_sci_port scif4_platform_data = {
+	.mapbase	= 0xe6c80000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 89, 89, 89, 89 },
+};
+
+static struct platform_device scif4_device = {
+	.name		= "sh-sci",
+	.id		= 4,
+	.dev		= {
+		.platform_data	= &scif4_platform_data,
+	},
+};
+
+static struct plat_sci_port scif5_platform_data = {
+	.mapbase	= 0xe6cb0000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 90, 90, 90, 90 },
+};
+
+static struct platform_device scif5_device = {
+	.name		= "sh-sci",
+	.id		= 5,
+	.dev		= {
+		.platform_data	= &scif5_platform_data,
+	},
+};
+
+static struct plat_sci_port scif6_platform_data = {
+	.mapbase	= 0xe6cc0000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 196, 196, 196, 196 },
+};
+
+static struct platform_device scif6_device = {
+	.name		= "sh-sci",
+	.id		= 6,
+	.dev		= {
+		.platform_data	= &scif6_platform_data,
+	},
+};
+
+static struct plat_sci_port scif7_platform_data = {
+	.mapbase	= 0xe6c30000,
+	.flags		= UPF_BOOT_AUTOCONF,
+	.type		= PORT_SCIF,
+	.irqs           = { 91, 91, 91, 91 },
+};
+
+static struct platform_device scif7_device = {
+	.name		= "sh-sci",
+	.id		= 7,
+	.dev		= {
+		.platform_data	= &scif7_platform_data,
+	},
+};
+
+static struct sh_timer_config cmt10_platform_data = {
+	.name = "CMT10",
+	.channel_offset = 0x10,
+	.timer_bit = 0,
+	.clk = "r_clk",
+	.clockevent_rating = 125,
+	.clocksource_rating = 125,
+};
+
+static struct resource cmt10_resources[] = {
+	[0] = {
+		.name	= "CMT10",
+		.start	= 0xe6138010,
+		.end	= 0xe613801b,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 72,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device cmt10_device = {
+	.name		= "sh_cmt",
+	.id		= 10,
+	.dev = {
+		.platform_data	= &cmt10_platform_data,
+	},
+	.resource	= cmt10_resources,
+	.num_resources	= ARRAY_SIZE(cmt10_resources),
+};
+
+static struct platform_device *sh7377_early_devices[] __initdata = {
+	&scif0_device,
+	&scif1_device,
+	&scif2_device,
+	&scif3_device,
+	&scif4_device,
+	&scif5_device,
+	&scif6_device,
+	&scif7_device,
+	&cmt10_device,
+};
+
+void __init sh7377_add_standard_devices(void)
+{
+	platform_add_devices(sh7377_early_devices,
+			    ARRAY_SIZE(sh7377_early_devices));
+}
+
+#define SMSTPCR3 0xe615013c
+#define SMSTPCR3_CMT1 (1 << 29)
+
+void __init sh7377_add_early_devices(void)
+{
+	/* enable clock to CMT1 */
+	__raw_writel(__raw_readl(SMSTPCR3) & ~SMSTPCR3_CMT1, SMSTPCR3);
+
+	early_platform_add_devices(sh7377_early_devices,
+				   ARRAY_SIZE(sh7377_early_devices));
+}
diff --git a/arch/arm/mach-shmobile/timer.c b/arch/arm/mach-shmobile/timer.c
new file mode 100644
index 000000000000..895794b543cd
--- /dev/null
+++ b/arch/arm/mach-shmobile/timer.c
@@ -0,0 +1,46 @@
+/*
+ * SH-Mobile Timer
+ *
+ * Copyright (C) 2010  Magnus Damm
+ * Copyright (C) 2002 - 2009  Paul Mundt
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+#include <linux/platform_device.h>
+#include <asm/mach/time.h>
+
+static void __init shmobile_late_time_init(void)
+{
+	/*
+	 * Make sure all compiled-in early timers register themselves.
+	 *
+	 * Run probe() for two "earlytimer" devices, these will be the
+	 * clockevents and clocksource devices respectively. In the event
+	 * that only a clockevents device is available, we -ENODEV on the
+	 * clocksource and the jiffies clocksource is used transparently
+	 * instead. No error handling is necessary here.
+	 */
+	early_platform_driver_register_all("earlytimer");
+	early_platform_driver_probe("earlytimer", 2, 0);
+}
+
+static void __init shmobile_timer_init(void)
+{
+	late_time_init = shmobile_late_time_init;
+}
+
+struct sys_timer shmobile_timer = {
+	.init		= shmobile_timer_init,
+};
diff --git a/arch/arm/mach-u300/core.c b/arch/arm/mach-u300/core.c
index 01b50313914c..5f34eb674d68 100644
--- a/arch/arm/mach-u300/core.c
+++ b/arch/arm/mach-u300/core.c
@@ -358,7 +358,7 @@ static struct resource ave_resources[] = {
 	/*
 	 * The AVE3e requires two regions of 256MB that it considers
 	 * "invisible". The hardware will not be able to access these
-	 * adresses, so they should never point to system RAM.
+	 * addresses, so they should never point to system RAM.
 	 */
 	{
 		.name  = "AVE3e Reserved 0",
@@ -1596,7 +1596,7 @@ static void __init u300_init_check_chip(void)
 /*
  * Some devices and their resources require reserved physical memory from
  * the end of the available RAM. This function traverses the list of devices
- * and assigns actual adresses to these.
+ * and assigns actual addresses to these.
  */
 static void __init u300_assign_physmem(void)
 {
diff --git a/arch/arm/mach-u300/include/mach/coh901318.h b/arch/arm/mach-u300/include/mach/coh901318.h
index f4cfee9c7d28..b8155b4e5ffa 100644
--- a/arch/arm/mach-u300/include/mach/coh901318.h
+++ b/arch/arm/mach-u300/include/mach/coh901318.h
@@ -53,7 +53,7 @@ struct coh901318_params {
  * struct coh_dma_channel - dma channel base
  * @name: ascii name of dma channel
  * @number: channel id number
- * @desc_nbr_max: number of preallocated descriptortors
+ * @desc_nbr_max: number of preallocated descriptors
  * @priority_high: prio of channel, 0 low otherwise high.
  * @param: configuration parameters
  * @dev_addr: physical address of periphal connected to channel
diff --git a/arch/arm/mach-u300/include/mach/debug-macro.S b/arch/arm/mach-u300/include/mach/debug-macro.S
index ca4a028c2661..92c12420256f 100644
--- a/arch/arm/mach-u300/include/mach/debug-macro.S
+++ b/arch/arm/mach-u300/include/mach/debug-macro.S
@@ -11,7 +11,7 @@
 #include <mach/hardware.h>
 
 	.macro	addruart, rx, tmp
-	/* If we move the adress using MMU, use this. */
+	/* If we move the address using MMU, use this. */
 	mrc	p15, 0, \rx, c1, c0
 	tst	\rx, #1			@ MMU enabled?
 	ldreq	\rx,	  = U300_SLOW_PER_PHYS_BASE @ MMU off, physical address
diff --git a/arch/arm/mach-ux500/include/mach/hardware.h b/arch/arm/mach-ux500/include/mach/hardware.h
index 6da650202dc7..04ea836969b3 100644
--- a/arch/arm/mach-ux500/include/mach/hardware.h
+++ b/arch/arm/mach-ux500/include/mach/hardware.h
@@ -68,12 +68,12 @@
 #define U8500_PKAM_BASE		(U8500_PER6_BASE + 0x2000)
 #define U8500_CRYPTO0_BASE	(U8500_PER6_BASE + 0xa000)
 #define U8500_CRYPTO1_BASE	(U8500_PER6_BASE + 0xb000)
-#define U8500_CLKRST6_BASE	(U8500_PER7_BASE + 0xf000)
+#define U8500_CLKRST6_BASE	(U8500_PER6_BASE + 0xf000)
 
 /* per5 base addressess */
 #define U8500_USBOTG_BASE	(U8500_PER5_BASE + 0x00000)
 #define U8500_GPIO5_BASE	(U8500_PER5_BASE + 0x1e000)
-#define U8500_CLKRST5_BASE	(U8500_PER7_BASE + 0x1f000)
+#define U8500_CLKRST5_BASE	(U8500_PER5_BASE + 0x1f000)
 
 /* per4 base addressess */
 #define U8500_BACKUPRAM0_BASE	(U8500_PER4_BASE + 0x0000)
@@ -95,7 +95,7 @@
 #define U8500_UART2_BASE	(U8500_PER3_BASE + 0x7000)
 #define U8500_SDI5_BASE		(U8500_PER3_BASE + 0x8000)
 #define U8500_GPIO3_BASE	(U8500_PER3_BASE + 0xe000)
-#define U8500_CLKRST3_BASE	(U8500_PER7_BASE + 0xf000)
+#define U8500_CLKRST3_BASE	(U8500_PER3_BASE + 0xf000)
 
 /* per2 base addressess */
 #define U8500_I2C3_BASE		(U8500_PER2_BASE + 0x0000)
@@ -123,7 +123,7 @@
 #define U8500_SPI3_BASE		(U8500_PER1_BASE + 0x9000)
 #define U8500_SLIM0_BASE	(U8500_PER1_BASE + 0xa000)
 #define U8500_GPIO1_BASE	(U8500_PER1_BASE + 0xe000)
-#define U8500_CLKRST1_BASE	(U8500_PER2_BASE + 0xf000)
+#define U8500_CLKRST1_BASE	(U8500_PER1_BASE + 0xf000)
 
 /* ST-Ericsson modified pl022 id */
 #define SSP_PER_ID		0x01080022
diff --git a/arch/arm/mach-w90x900/cpu.h b/arch/arm/mach-w90x900/cpu.h
index 4d58ba164e25..f8730b60bd76 100644
--- a/arch/arm/mach-w90x900/cpu.h
+++ b/arch/arm/mach-w90x900/cpu.h
@@ -57,3 +57,4 @@ extern struct platform_device nuc900_device_fmi;
 extern struct platform_device nuc900_device_kpi;
 extern struct platform_device nuc900_device_rtc;
 extern struct platform_device nuc900_device_ts;
+extern struct platform_device nuc900_device_lcd;
diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c
index ec711f4b4019..48876122df91 100644
--- a/arch/arm/mach-w90x900/dev.c
+++ b/arch/arm/mach-w90x900/dev.c
@@ -34,6 +34,7 @@
 #include <mach/regs-serial.h>
 #include <mach/nuc900_spi.h>
 #include <mach/map.h>
+#include <mach/fb.h>
 
 #include "cpu.h"
 
@@ -380,6 +381,47 @@ struct platform_device nuc900_device_kpi = {
 	.resource	= nuc900_kpi_resource,
 };
 
+#ifdef CONFIG_FB_NUC900
+
+static struct resource nuc900_lcd_resource[] = {
+	[0] = {
+		.start = W90X900_PA_LCD,
+		.end   = W90X900_PA_LCD + W90X900_SZ_LCD - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_LCD,
+		.end   = IRQ_LCD,
+		.flags = IORESOURCE_IRQ,
+	}
+};
+
+static u64 nuc900_device_lcd_dmamask = -1;
+struct platform_device nuc900_device_lcd = {
+	.name             = "nuc900-lcd",
+	.id               = -1,
+	.num_resources    = ARRAY_SIZE(nuc900_lcd_resource),
+	.resource         = nuc900_lcd_resource,
+	.dev              = {
+		.dma_mask               = &nuc900_device_lcd_dmamask,
+		.coherent_dma_mask      = -1,
+	}
+};
+
+void  nuc900_fb_set_platdata(struct nuc900fb_mach_info *pd)
+{
+	struct nuc900fb_mach_info *npd;
+
+	npd = kmalloc(sizeof(*npd), GFP_KERNEL);
+	if (npd) {
+		memcpy(npd, pd, sizeof(*npd));
+		nuc900_device_lcd.dev.platform_data = npd;
+	} else {
+		printk(KERN_ERR "no memory for LCD platform data\n");
+	}
+}
+#endif
+
 /*Here should be your evb resourse,such as LCD*/
 
 static struct platform_device *nuc900_public_dev[] __initdata = {
diff --git a/arch/arm/mach-w90x900/include/mach/fb.h b/arch/arm/mach-w90x900/include/mach/fb.h
new file mode 100644
index 000000000000..cec5ece765ed
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/fb.h
@@ -0,0 +1,83 @@
+/* linux/include/asm/arch-nuc900/fb.h
+ *
+ * Copyright (c) 2008 Nuvoton technology corporation
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Changelog:
+ *
+ *   2008/08/26     vincen.zswan modify this file for LCD.
+ */
+
+#ifndef __ASM_ARM_FB_H
+#define __ASM_ARM_FB_H
+
+
+
+/* LCD Controller Hardware Desc */
+struct nuc900fb_hw {
+	unsigned int lcd_dccs;
+	unsigned int lcd_device_ctrl;
+	unsigned int lcd_mpulcd_cmd;
+	unsigned int lcd_int_cs;
+	unsigned int lcd_crtc_size;
+	unsigned int lcd_crtc_dend;
+	unsigned int lcd_crtc_hr;
+	unsigned int lcd_crtc_hsync;
+	unsigned int lcd_crtc_vr;
+	unsigned int lcd_va_baddr0;
+	unsigned int lcd_va_baddr1;
+	unsigned int lcd_va_fbctrl;
+	unsigned int lcd_va_scale;
+	unsigned int lcd_va_test;
+	unsigned int lcd_va_win;
+	unsigned int lcd_va_stuff;
+};
+
+/* LCD Display Description */
+struct nuc900fb_display {
+	/* LCD Image type */
+	unsigned type;
+
+	/* LCD Screen Size */
+	unsigned short width;
+	unsigned short height;
+
+	/* LCD Screen Info */
+	unsigned short xres;
+	unsigned short yres;
+	unsigned short bpp;
+
+	unsigned long pixclock;
+	unsigned short left_margin;
+	unsigned short right_margin;
+	unsigned short hsync_len;
+	unsigned short upper_margin;
+	unsigned short lower_margin;
+	unsigned short vsync_len;
+
+	/* hardware special register value */
+	unsigned int dccs;
+	unsigned int devctl;
+	unsigned int fbctrl;
+	unsigned int scale;
+};
+
+struct nuc900fb_mach_info {
+	struct nuc900fb_display *displays;
+	unsigned num_displays;
+	unsigned default_display;
+	/* GPIO Setting  Info */
+	unsigned gpio_dir;
+	unsigned gpio_dir_mask;
+	unsigned gpio_data;
+	unsigned gpio_data_mask;
+};
+
+extern void __init nuc900_fb_set_platdata(struct nuc900fb_mach_info *);
+
+#endif /* __ASM_ARM_FB_H */
diff --git a/arch/arm/mach-w90x900/include/mach/regs-ldm.h b/arch/arm/mach-w90x900/include/mach/regs-ldm.h
new file mode 100644
index 000000000000..e9d480a5b232
--- /dev/null
+++ b/arch/arm/mach-w90x900/include/mach/regs-ldm.h
@@ -0,0 +1,253 @@
+/*
+ * arch/arm/mach-w90x900/include/mach/regs-serial.h
+ *
+ * Copyright (c) 2009 Nuvoton technology corporation
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ *  Description:
+ *     Nuvoton Display, LCM Register list
+ *  Author:  Wang Qiang (rurality.linux@gmail.com) 2009/12/11
+ *
+ */
+
+
+#ifndef __ASM_ARM_W90X900_REGS_LDM_H
+#define __ASM_ARM_W90X900_REGS_LDM_H
+
+#include <mach/map.h>
+
+/* Display Controller Control/Status Register */
+#define REG_LCM_DCCS			(0x00)
+
+#define LCM_DCCS_ENG_RST		(1 << 0)
+#define LCM_DCCS_VA_EN			(1 << 1)
+#define LCM_DCCS_OSD_EN			(1 << 2)
+#define LCM_DCCS_DISP_OUT_EN		(1 << 3)
+#define LCM_DCCS_DISP_INT_EN		(1 << 4)
+#define LCM_DCCS_CMD_ON			(1 << 5)
+#define LCM_DCCS_FIELD_INTR		(1 << 6)
+#define LCM_DCCS_SINGLE			(1 << 7)
+
+enum LCM_DCCS_VA_SRC {
+	LCM_DCCS_VA_SRC_YUV422		= (0 << 8),
+	LCM_DCCS_VA_SRC_YCBCR422	= (1 << 8),
+	LCM_DCCS_VA_SRC_RGB888		= (2 << 8),
+	LCM_DCCS_VA_SRC_RGB666		= (3 << 8),
+	LCM_DCCS_VA_SRC_RGB565		= (4 << 8),
+	LCM_DCCS_VA_SRC_RGB444LOW	= (5 << 8),
+	LCM_DCCS_VA_SRC_RGB444HIGH 	= (7 << 8)
+};
+
+
+/* Display Device Control Register */
+#define REG_LCM_DEV_CTRL		(0x04)
+
+enum LCM_DEV_CTRL_SWAP_YCbCr {
+	LCM_DEV_CTRL_SWAP_UYVY		= (0 << 1),
+	LCM_DEV_CTRL_SWAP_YUYV		= (1 << 1),
+	LCM_DEV_CTRL_SWAP_VYUY		= (2 << 1),
+	LCM_DEV_CTRL_SWAP_YVYU		= (3 << 1)
+};
+
+enum LCM_DEV_CTRL_RGB_SHIFT {
+	LCM_DEV_CTRL_RGB_SHIFT_NOT 	= (0 << 3),
+	LCM_DEV_CTRL_RGB_SHIFT_ONECYCLE = (1 << 3),
+	LCM_DEV_CTRL_RGB_SHIFT_TWOCYCLE = (2 << 3),
+	LCM_DEV_CTRL_RGB_SHIFT_NOT_DEF	= (3 << 3)
+};
+
+enum LCM_DEV_CTRL_DEVICE {
+	LCM_DEV_CTRL_DEVICE_YUV422	= (0 << 5),
+	LCM_DEV_CTRL_DEVICE_YUV444	= (1 << 5),
+	LCM_DEV_CTRL_DEVICE_UNIPAC	= (4 << 5),
+	LCM_DEV_CTRL_DEVICE_SEIKO_EPSON	= (5 << 5),
+	LCM_DEV_CTRL_DEVICE_HIGH_COLOR	= (6 << 5),
+	LCM_DEV_CTRL_DEVICE_MPU		= (7 << 5)
+};
+
+#define LCM_DEV_CTRL_LCD_DDA		(8)
+#define LCM_DEV_CTRL_YUV2CCIR		(16)
+
+enum LCM_DEV_CTRL_LCD_SEL {
+	LCM_DEV_CTRL_LCD_SEL_RGB_GBR	= (0 << 17),
+	LCM_DEV_CTRL_LCD_SEL_BGR_RBG	= (1 << 17),
+	LCM_DEV_CTRL_LCD_SEL_GBR_RGB	= (2 << 17),
+	LCM_DEV_CTRL_LCD_SEL_RBG_BGR	= (3 << 17)
+};
+
+enum LCM_DEV_CTRL_FAL_D {
+	LCM_DEV_CTRL_FAL_D_FALLING	= (0 << 19),
+	LCM_DEV_CTRL_FAL_D_RISING	= (1 << 19),
+};
+
+enum LCM_DEV_CTRL_H_POL {
+	LCM_DEV_CTRL_H_POL_LOW		= (0 << 20),
+	LCM_DEV_CTRL_H_POL_HIGH		= (1 << 20),
+};
+
+enum LCM_DEV_CTRL_V_POL {
+	LCM_DEV_CTRL_V_POL_LOW		= (0 << 21),
+	LCM_DEV_CTRL_V_POL_HIGH		= (1 << 21),
+};
+
+enum LCM_DEV_CTRL_VR_LACE {
+	LCM_DEV_CTRL_VR_LACE_NINTERLACE	= (0 << 22),
+	LCM_DEV_CTRL_VR_LACE_INTERLACE	= (1 << 22),
+};
+
+enum LCM_DEV_CTRL_LACE {
+	LCM_DEV_CTRL_LACE_NINTERLACE	= (0 << 23),
+	LCM_DEV_CTRL_LACE_INTERLACE	= (1 << 23),
+};
+
+enum LCM_DEV_CTRL_RGB_SCALE {
+	LCM_DEV_CTRL_RGB_SCALE_4096 	= (0 << 24),
+	LCM_DEV_CTRL_RGB_SCALE_65536 	= (1 << 24),
+	LCM_DEV_CTRL_RGB_SCALE_262144 	= (2 << 24),
+	LCM_DEV_CTRL_RGB_SCALE_16777216 = (3 << 24),
+};
+
+enum LCM_DEV_CTRL_DBWORD {
+	LCM_DEV_CTRL_DBWORD_HALFWORD	= (0 << 26),
+	LCM_DEV_CTRL_DBWORD_FULLWORD	= (1 << 26),
+};
+
+enum LCM_DEV_CTRL_MPU68 {
+	LCM_DEV_CTRL_MPU68_80_SERIES	= (0 << 27),
+	LCM_DEV_CTRL_MPU68_68_SERIES	= (1 << 27),
+};
+
+enum LCM_DEV_CTRL_DE_POL {
+	LCM_DEV_CTRL_DE_POL_HIGH	= (0 << 28),
+	LCM_DEV_CTRL_DE_POL_LOW		= (1 << 28),
+};
+
+#define LCM_DEV_CTRL_CMD16		(29)
+#define LCM_DEV_CTRL_CM16t18		(30)
+#define LCM_DEV_CTRL_CMD_LOW		(31)
+
+/* MPU-Interface LCD Write Command */
+#define REG_LCM_MPU_CMD			(0x08)
+
+/* Interrupt Control/Status Register */
+#define REG_LCM_INT_CS			(0x0c)
+#define LCM_INT_CS_DISP_F_EN		(1 << 0)
+#define LCM_INT_CS_UNDERRUN_EN   	(1 << 1)
+#define LCM_INT_CS_BUS_ERROR_INT 	(1 << 28)
+#define LCM_INT_CS_UNDERRUN_INT  	(1 << 29)
+#define LCM_INT_CS_DISP_F_STATUS 	(1 << 30)
+#define LCM_INT_CS_DISP_F_INT		(1 << 31)
+
+/* CRTC Display Size Control Register */
+#define REG_LCM_CRTC_SIZE		(0x10)
+#define LCM_CRTC_SIZE_VTTVAL(x)		((x) << 16)
+#define LCM_CRTC_SIZE_HTTVAL(x)		((x) << 0)
+
+/* CRTC Display Enable End */
+#define REG_LCM_CRTC_DEND		(0x14)
+#define LCM_CRTC_DEND_VDENDVAL(x)	((x) << 16)
+#define LCM_CRTC_DEND_HDENDVAL(x)	((x) << 0)
+
+/* CRTC Internal Horizontal Retrace Control Register */
+#define REG_LCM_CRTC_HR			(0x18)
+#define LCM_CRTC_HR_EVAL(x)		((x) << 16)
+#define LCM_CRTC_HR_SVAL(x)		((x) << 0)
+
+/* CRTC Horizontal Sync Control Register */
+#define REG_LCM_CRTC_HSYNC		(0x1C)
+#define LCM_CRTC_HSYNC_SHIFTVAL(x)	((x) << 30)
+#define LCM_CRTC_HSYNC_EVAL(x)		((x) << 16)
+#define LCM_CRTC_HSYNC_SVAL(x)		((x) << 0)
+
+/* CRTC Internal Vertical Retrace Control Register */
+#define REG_LCM_CRTC_VR			(0x20)
+#define LCM_CRTC_VR_EVAL(x)		((x) << 16)
+#define LCM_CRTC_VR_SVAL(x)		((x) << 0)
+
+/* Video Stream Frame Buffer-0 Starting Address */
+#define REG_LCM_VA_BADDR0		(0x24)
+
+/* Video Stream Frame Buffer-1 Starting Address */
+#define REG_LCM_VA_BADDR1		(0x28)
+
+/* Video Stream Frame Buffer Control Register */
+#define REG_LCM_VA_FBCTRL		(0x2C)
+#define LCM_VA_FBCTRL_IO_REGION_HALF	(1 << 28)
+#define LCM_VA_FBCTRL_FIELD_DUAL  	(1 << 29)
+#define LCM_VA_FBCTRL_START_BUF 	(1 << 30)
+#define LCM_VA_FBCTRL_DB_EN		(1 << 31)
+
+/* Video Stream Scaling Control Register */
+#define REG_LCM_VA_SCALE		(0x30)
+#define LCM_VA_SCALE_XCOPY_INTERPOLATION (0 << 15)
+#define LCM_VA_SCALE_XCOPY_DUPLICATION	 (1 << 15)
+
+/* Image Stream Active Window Coordinates */
+#define REG_LCM_VA_WIN			(0x38)
+
+/* Image Stream Stuff Pixel */
+#define REG_LCM_VA_STUFF		(0x3C)
+
+/* OSD Window Starting Coordinates */
+#define REG_LCM_OSD_WINS		(0x40)
+
+/* OSD Window Ending Coordinates */
+#define REG_LCM_OSD_WINE		(0x44)
+
+/* OSD Stream Frame Buffer Starting Address */
+#define REG_LCM_OSD_BADDR		(0x48)
+
+/* OSD Stream Frame Buffer Control Register */
+#define REG_LCM_OSD_FBCTRL		(0x4c)
+
+/* OSD Overlay Control Register */
+#define REG_LCM_OSD_OVERLAY		(0x50)
+
+/* OSD Overlay Color-Key Pattern Register */
+#define REG_LCM_OSD_CKEY		(0x54)
+
+/* OSD Overlay Color-Key Mask Register */
+#define REG_LCM_OSD_CMASK		(0x58)
+
+/* OSD Window Skip1 Register */
+#define REG_LCM_OSD_SKIP1		(0x5C)
+
+/* OSD Window Skip2 Register */
+#define REG_LCM_OSD_SKIP2		(0x60)
+
+/* OSD horizontal up scaling control register */
+#define REG_LCM_OSD_SCALE		(0x64)
+
+/* MPU Vsync control register */
+#define REG_LCM_MPU_VSYNC		(0x68)
+
+/* Hardware cursor control Register */
+#define REG_LCM_HC_CTRL			(0x6C)
+
+/* Hardware cursot tip point potison on va picture */
+#define REG_LCM_HC_POS			(0x70)
+
+/* Hardware Cursor Window Buffer Control Register */
+#define REG_LCM_HC_WBCTRL		(0x74)
+
+/* Hardware cursor memory base address register */
+#define REG_LCM_HC_BADDR		(0x78)
+
+/* Hardware cursor color ram register mapped to bpp = 0 */
+#define REG_LCM_HC_COLOR0		(0x7C)
+
+/* Hardware cursor color ram register mapped to bpp = 1 */
+#define REG_LCM_HC_COLOR1		(0x80)
+
+/* Hardware cursor color ram register mapped to bpp = 2 */
+#define REG_LCM_HC_COLOR2		(0x84)
+
+/* Hardware cursor color ram register mapped to bpp = 3 */
+#define REG_LCM_HC_COLOR3		(0x88)
+
+#endif /* __ASM_ARM_W90X900_REGS_LDM_H */
diff --git a/arch/arm/mach-w90x900/mach-nuc950evb.c b/arch/arm/mach-w90x900/mach-nuc950evb.c
index cef903bcccd1..b3edc3cccf52 100644
--- a/arch/arm/mach-w90x900/mach-nuc950evb.c
+++ b/arch/arm/mach-w90x900/mach-nuc950evb.c
@@ -10,6 +10,8 @@
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
  * published by the Free Software Foundation;version 2 of the License.
+ *   history:
+ *     Wang Qiang (rurality.linux@gmail.com) add LCD support
  *
  */
 
@@ -18,9 +20,51 @@
 #include <asm/mach/map.h>
 #include <asm/mach-types.h>
 #include <mach/map.h>
+#include <mach/regs-ldm.h>
+#include <mach/fb.h>
 
 #include "nuc950.h"
 
+#ifdef CONFIG_FB_NUC900
+/* LCD Controller */
+static struct nuc900fb_display __initdata nuc950_lcd_info[] = {
+	/* Giantplus Technology GPM1040A0 320x240 Color TFT LCD */
+	[0] = {
+		.type		= LCM_DCCS_VA_SRC_RGB565,
+		.width 		= 320,
+		.height		= 240,
+		.xres		= 320,
+		.yres		= 240,
+		.bpp		= 16,
+		.pixclock	= 200000,
+		.left_margin	= 34,
+		.right_margin   = 54,
+		.hsync_len	= 10,
+		.upper_margin	= 18,
+		.lower_margin	= 4,
+		.vsync_len	= 1,
+		.dccs		= 0x8e00041a,
+		.devctl		= 0x060800c0,
+		.fbctrl		= 0x00a000a0,
+		.scale		= 0x04000400,
+	},
+};
+
+static struct nuc900fb_mach_info nuc950_fb_info __initdata = {
+#if defined(CONFIG_GPM1040A0_320X240)
+	.displays		= &nuc950_lcd_info[0],
+#else
+	.displays		= nuc950_lcd_info,
+#endif
+	.num_displays 		= ARRAY_SIZE(nuc950_lcd_info),
+	.default_display	= 0,
+	.gpio_dir		= 0x00000004,
+	.gpio_dir_mask		= 0xFFFFFFFD,
+	.gpio_data		= 0x00000004,
+	.gpio_data_mask		= 0xFFFFFFFD,
+};
+#endif
+
 static void __init nuc950evb_map_io(void)
 {
 	nuc950_map_io();
@@ -30,6 +74,9 @@ static void __init nuc950evb_map_io(void)
 static void __init nuc950evb_init(void)
 {
 	nuc950_board_init();
+#ifdef CONFIG_FB_NUC900
+	nuc900_fb_set_platdata(&nuc950_fb_info);
+#endif
 }
 
 MACHINE_START(W90P950EVB, "W90P950EVB")
diff --git a/arch/arm/mach-w90x900/nuc950.c b/arch/arm/mach-w90x900/nuc950.c
index 149508116d18..4d1f1ab044c4 100644
--- a/arch/arm/mach-w90x900/nuc950.c
+++ b/arch/arm/mach-w90x900/nuc950.c
@@ -18,6 +18,7 @@
 #include <linux/platform_device.h>
 #include <asm/mach/map.h>
 #include <mach/hardware.h>
+
 #include "cpu.h"
 
 /* define specific CPU platform device */
@@ -25,6 +26,9 @@
 static struct platform_device *nuc950_dev[] __initdata = {
 	&nuc900_device_kpi,
 	&nuc900_device_fmi,
+#ifdef CONFIG_FB_NUC900
+	&nuc900_device_lcd,
+#endif
 };
 
 /* define specific CPU platform io map */
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index c4ed9f93f646..5bd7c89a6045 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -736,6 +736,12 @@ config NEEDS_SYSCALL_FOR_CMPXCHG
 config OUTER_CACHE
 	bool
 
+config OUTER_CACHE_SYNC
+	bool
+	help
+	  The outer cache has a outer_cache_fns.sync function pointer
+	  that can be used to drain the write buffer of the outer cache.
+
 config CACHE_FEROCEON_L2
 	bool "Enable the Feroceon L2 cache controller"
 	depends on ARCH_KIRKWOOD || ARCH_MV78XX0
@@ -757,6 +763,7 @@ config CACHE_L2X0
 		   REALVIEW_EB_A9MP || ARCH_MX35 || ARCH_MX31 || MACH_REALVIEW_PBX || ARCH_NOMADIK || ARCH_OMAP4
 	default y
 	select OUTER_CACHE
+	select OUTER_CACHE_SYNC
 	help
 	  This option enables the L2x0 PrimeCell.
 
@@ -781,3 +788,9 @@ config ARM_L1_CACHE_SHIFT
 	int
 	default 6 if ARM_L1_CACHE_SHIFT_6
 	default 5
+
+config ARCH_HAS_BARRIERS
+	bool
+	help
+	  This option allows the use of custom mandatory barriers
+	  included via the mach/barriers.h file.
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c
index 07334632d3e2..21ad68ba22ba 100644
--- a/arch/arm/mm/cache-l2x0.c
+++ b/arch/arm/mm/cache-l2x0.c
@@ -93,6 +93,15 @@ static inline void l2x0_flush_line(unsigned long addr)
 }
 #endif
 
+static void l2x0_cache_sync(void)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&l2x0_lock, flags);
+	cache_sync();
+	spin_unlock_irqrestore(&l2x0_lock, flags);
+}
+
 static inline void l2x0_inv_all(void)
 {
 	unsigned long flags;
@@ -225,6 +234,7 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask)
 	outer_cache.inv_range = l2x0_inv_range;
 	outer_cache.clean_range = l2x0_clean_range;
 	outer_cache.flush_range = l2x0_flush_range;
+	outer_cache.sync = l2x0_cache_sync;
 
 	printk(KERN_INFO "L2X0 cache controller enabled\n");
 }
diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig
index 8b0a1ee039fa..7f7ad6f289bd 100644
--- a/arch/arm/plat-mxc/Kconfig
+++ b/arch/arm/plat-mxc/Kconfig
@@ -9,38 +9,43 @@ choice
 config ARCH_MX1
 	bool "MX1-based"
 	select CPU_ARM920T
-	select COMMON_CLKDEV
+	select IMX_HAVE_IOMUX_V1
 	help
 	  This enables support for systems based on the Freescale i.MX1 family
 
 config ARCH_MX2
 	bool "MX2-based"
 	select CPU_ARM926T
-	select COMMON_CLKDEV
+	select IMX_HAVE_IOMUX_V1
 	help
 	  This enables support for systems based on the Freescale i.MX2 family
 
 config ARCH_MX25
 	bool "MX25-based"
 	select CPU_ARM926T
-	select COMMON_CLKDEV
+	select ARCH_MXC_IOMUX_V3
+	select HAVE_FB_IMX
 	help
 	  This enables support for systems based on the Freescale i.MX25 family
 
 config ARCH_MX3
 	bool "MX3-based"
 	select CPU_V6
-	select COMMON_CLKDEV
 	help
 	  This enables support for systems based on the Freescale i.MX3 family
 
 config ARCH_MXC91231
 	bool "MXC91231-based"
 	select CPU_V6
-	select COMMON_CLKDEV
 	help
 	  This enables support for systems based on the Freescale MXC91231 family
 
+config ARCH_MX5
+	bool "MX5-based"
+	select CPU_V7
+	help
+	  This enables support for systems based on the Freescale i.MX51 family
+
 endchoice
 
 source "arch/arm/mach-mx1/Kconfig"
@@ -48,12 +53,12 @@ source "arch/arm/mach-mx2/Kconfig"
 source "arch/arm/mach-mx3/Kconfig"
 source "arch/arm/mach-mx25/Kconfig"
 source "arch/arm/mach-mxc91231/Kconfig"
+source "arch/arm/mach-mx5/Kconfig"
 
 endmenu
 
 config MXC_IRQ_PRIOR
 	bool "Use IRQ priority"
-	depends on ARCH_MXC
 	help
 	  Select this if you want to use prioritized IRQ handling.
 	  This feature prevents higher priority ISR to be interrupted
@@ -62,9 +67,16 @@ config MXC_IRQ_PRIOR
 	  requirements for timing.
 	  Say N here, unless you have a specialized requirement.
 
+config MXC_TZIC
+	bool "Enable TrustZone Interrupt Controller"
+	depends on ARCH_MX51
+	help
+	  This will be automatically selected for all processors
+	  containing this interrupt controller.
+	  Say N here only if you are really sure.
+
 config MXC_PWM
 	tristate "Enable PWM driver"
-	depends on ARCH_MXC
 	select HAVE_PWM
 	help
 	  Enable support for the i.MX PWM controller(s).
@@ -74,7 +86,9 @@ config MXC_ULPI
 
 config ARCH_HAS_RNGA
 	bool
-	depends on ARCH_MXC
+
+config IMX_HAVE_IOMUX_V1
+	bool
 
 config ARCH_MXC_IOMUX_V3
 	bool
diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile
index 6cee38df58b2..895bc3c5e0c0 100644
--- a/arch/arm/plat-mxc/Makefile
+++ b/arch/arm/plat-mxc/Makefile
@@ -5,8 +5,12 @@
 # Common support
 obj-y := irq.o clock.o gpio.o time.o devices.o cpu.o system.o
 
-obj-$(CONFIG_ARCH_MX1) += iomux-mx1-mx2.o dma-mx1-mx2.o
-obj-$(CONFIG_ARCH_MX2) += iomux-mx1-mx2.o dma-mx1-mx2.o
+# MX51 uses the TZIC interrupt controller, older platforms use AVIC (irq.o)
+obj-$(CONFIG_MXC_TZIC) += tzic.o
+
+obj-$(CONFIG_ARCH_MX1) += dma-mx1-mx2.o
+obj-$(CONFIG_ARCH_MX2) += dma-mx1-mx2.o
+obj-$(CONFIG_IMX_HAVE_IOMUX_V1) += iomux-v1.o
 obj-$(CONFIG_ARCH_MXC_IOMUX_V3) += iomux-v3.o
 obj-$(CONFIG_MXC_PWM)  += pwm.o
 obj-$(CONFIG_USB_EHCI_MXC) += ehci.o
diff --git a/arch/arm/plat-mxc/audmux-v1.c b/arch/arm/plat-mxc/audmux-v1.c
index da6387dcdf21..b62917ca3f95 100644
--- a/arch/arm/plat-mxc/audmux-v1.c
+++ b/arch/arm/plat-mxc/audmux-v1.c
@@ -50,8 +50,18 @@ EXPORT_SYMBOL_GPL(mxc_audmux_v1_configure_port);
 
 static int mxc_audmux_v1_init(void)
 {
-	if (cpu_is_mx27() || cpu_is_mx21())
-		audmux_base = IO_ADDRESS(AUDMUX_BASE_ADDR);
+#ifdef CONFIG_MACH_MX21
+	if (cpu_is_mx21())
+		audmux_base = MX21_IO_ADDRESS(MX21_AUDMUX_BASE_ADDR);
+	else
+#endif
+#ifdef CONFIG_MACH_MX27
+	if (cpu_is_mx27())
+		audmux_base = MX27_IO_ADDRESS(MX27_AUDMUX_BASE_ADDR);
+	else
+#endif
+		(void)0;
+	
 	return 0;
 }
 
diff --git a/arch/arm/plat-mxc/audmux-v2.c b/arch/arm/plat-mxc/audmux-v2.c
index b06954a84436..d983cd6c788c 100644
--- a/arch/arm/plat-mxc/audmux-v2.c
+++ b/arch/arm/plat-mxc/audmux-v2.c
@@ -190,7 +190,10 @@ static int mxc_audmux_v2_init(void)
 {
 	int ret;
 
-	if (cpu_is_mx35()) {
+	if (cpu_is_mx31())
+		audmux_base = MX31_IO_ADDRESS(MX31_AUDMUX_BASE_ADDR);
+
+	else if (cpu_is_mx35()) {
 		audmux_clk = clk_get(NULL, "audmux");
 		if (IS_ERR(audmux_clk)) {
 			ret = PTR_ERR(audmux_clk);
@@ -198,11 +201,9 @@ static int mxc_audmux_v2_init(void)
 					ret);
 			return ret;
 		}
+		audmux_base = MX35_IO_ADDRESS(MX35_AUDMUX_BASE_ADDR);
 	}
 
-	if (cpu_is_mx31() || cpu_is_mx35())
-		audmux_base = IO_ADDRESS(AUDMUX_BASE_ADDR);
-
 	audmux_debugfs_init();
 
 	return 0;
diff --git a/arch/arm/plat-mxc/clock.c b/arch/arm/plat-mxc/clock.c
index 9e8fbd57495c..323ff8ccc877 100644
--- a/arch/arm/plat-mxc/clock.c
+++ b/arch/arm/plat-mxc/clock.c
@@ -56,6 +56,7 @@ static void __clk_disable(struct clk *clk)
 	__clk_disable(clk->parent);
 	__clk_disable(clk->secondary);
 
+	WARN_ON(!clk->usecount);
 	if (!(--clk->usecount) && clk->disable)
 		clk->disable(clk);
 }
diff --git a/arch/arm/plat-mxc/dma-mx1-mx2.c b/arch/arm/plat-mxc/dma-mx1-mx2.c
index 9c1b3f9c4f4d..e16014b0d13c 100644
--- a/arch/arm/plat-mxc/dma-mx1-mx2.c
+++ b/arch/arm/plat-mxc/dma-mx1-mx2.c
@@ -128,6 +128,18 @@ struct imx_dma_channel {
 	int hw_chaining;
 };
 
+static void __iomem *imx_dmav1_baseaddr;
+
+static void imx_dmav1_writel(unsigned val, unsigned offset)
+{
+	__raw_writel(val, imx_dmav1_baseaddr + offset);
+}
+
+static unsigned imx_dmav1_readl(unsigned offset)
+{
+	return __raw_readl(imx_dmav1_baseaddr + offset);
+}
+
 static struct imx_dma_channel imx_dma_channels[IMX_DMA_CHANNELS];
 
 static struct clk *dma_clk;
@@ -140,7 +152,6 @@ static int imx_dma_hw_chain(struct imx_dma_channel *imxdma)
 		return 0;
 }
 
-
 /*
  * imx_dma_sg_next - prepare next chunk for scatter-gather DMA emulation
  */
@@ -160,17 +171,17 @@ static inline int imx_dma_sg_next(int channel, struct scatterlist *sg)
 		imxdma->resbytes -= now;
 
 	if ((imxdma->dma_mode & DMA_MODE_MASK) == DMA_MODE_READ)
-		__raw_writel(sg->dma_address, DMA_BASE + DMA_DAR(channel));
+		imx_dmav1_writel(sg->dma_address, DMA_DAR(channel));
 	else
-		__raw_writel(sg->dma_address, DMA_BASE + DMA_SAR(channel));
+		imx_dmav1_writel(sg->dma_address, DMA_SAR(channel));
 
-	__raw_writel(now, DMA_BASE + DMA_CNTR(channel));
+	imx_dmav1_writel(now, DMA_CNTR(channel));
 
 	pr_debug("imxdma%d: next sg chunk dst 0x%08x, src 0x%08x, "
 		"size 0x%08x\n", channel,
-		 __raw_readl(DMA_BASE + DMA_DAR(channel)),
-		 __raw_readl(DMA_BASE + DMA_SAR(channel)),
-		 __raw_readl(DMA_BASE + DMA_CNTR(channel)));
+		 imx_dmav1_readl(DMA_DAR(channel)),
+		 imx_dmav1_readl(DMA_SAR(channel)),
+		 imx_dmav1_readl(DMA_CNTR(channel)));
 
 	return now;
 }
@@ -218,27 +229,26 @@ imx_dma_setup_single(int channel, dma_addr_t dma_address,
 			channel, __func__, (unsigned int)dma_address,
 			dma_length, dev_addr);
 
-		__raw_writel(dev_addr, DMA_BASE + DMA_SAR(channel));
-		__raw_writel(dma_address, DMA_BASE + DMA_DAR(channel));
-		__raw_writel(imxdma->ccr_from_device,
-				DMA_BASE + DMA_CCR(channel));
+		imx_dmav1_writel(dev_addr, DMA_SAR(channel));
+		imx_dmav1_writel(dma_address, DMA_DAR(channel));
+		imx_dmav1_writel(imxdma->ccr_from_device, DMA_CCR(channel));
 	} else if ((dmamode & DMA_MODE_MASK) == DMA_MODE_WRITE) {
 		pr_debug("imxdma%d: %s dma_addressg=0x%08x dma_length=%d "
 			"dev_addr=0x%08x for write\n",
 			channel, __func__, (unsigned int)dma_address,
 			dma_length, dev_addr);
 
-		__raw_writel(dma_address, DMA_BASE + DMA_SAR(channel));
-		__raw_writel(dev_addr, DMA_BASE + DMA_DAR(channel));
-		__raw_writel(imxdma->ccr_to_device,
-				DMA_BASE + DMA_CCR(channel));
+		imx_dmav1_writel(dma_address, DMA_SAR(channel));
+		imx_dmav1_writel(dev_addr, DMA_DAR(channel));
+		imx_dmav1_writel(imxdma->ccr_to_device,
+				DMA_CCR(channel));
 	} else {
 		printk(KERN_ERR "imxdma%d: imx_dma_setup_single bad dmamode\n",
 		       channel);
 		return -EINVAL;
 	}
 
-	__raw_writel(dma_length, DMA_BASE + DMA_CNTR(channel));
+	imx_dmav1_writel(dma_length, DMA_CNTR(channel));
 
 	return 0;
 }
@@ -316,17 +326,15 @@ imx_dma_setup_sg(int channel,
 			"dev_addr=0x%08x for read\n",
 			channel, __func__, sg, sgcount, dma_length, dev_addr);
 
-		__raw_writel(dev_addr, DMA_BASE + DMA_SAR(channel));
-		__raw_writel(imxdma->ccr_from_device,
-				DMA_BASE + DMA_CCR(channel));
+		imx_dmav1_writel(dev_addr, DMA_SAR(channel));
+		imx_dmav1_writel(imxdma->ccr_from_device, DMA_CCR(channel));
 	} else if ((dmamode & DMA_MODE_MASK) == DMA_MODE_WRITE) {
 		pr_debug("imxdma%d: %s sg=%p sgcount=%d total length=%d "
 			"dev_addr=0x%08x for write\n",
 			channel, __func__, sg, sgcount, dma_length, dev_addr);
 
-		__raw_writel(dev_addr, DMA_BASE + DMA_DAR(channel));
-		__raw_writel(imxdma->ccr_to_device,
-				DMA_BASE + DMA_CCR(channel));
+		imx_dmav1_writel(dev_addr, DMA_DAR(channel));
+		imx_dmav1_writel(imxdma->ccr_to_device, DMA_CCR(channel));
 	} else {
 		printk(KERN_ERR "imxdma%d: imx_dma_setup_sg bad dmamode\n",
 		       channel);
@@ -360,7 +368,7 @@ imx_dma_config_channel(int channel, unsigned int config_port,
 	imxdma->ccr_from_device = config_port | (config_mem << 2) | dreq;
 	imxdma->ccr_to_device = config_mem | (config_port << 2) | dreq;
 
-	__raw_writel(dmareq, DMA_BASE + DMA_RSSR(channel));
+	imx_dmav1_writel(dmareq, DMA_RSSR(channel));
 
 	return 0;
 }
@@ -368,7 +376,7 @@ EXPORT_SYMBOL(imx_dma_config_channel);
 
 void imx_dma_config_burstlen(int channel, unsigned int burstlen)
 {
-	__raw_writel(burstlen, DMA_BASE + DMA_BLR(channel));
+	imx_dmav1_writel(burstlen, DMA_BLR(channel));
 }
 EXPORT_SYMBOL(imx_dma_config_burstlen);
 
@@ -398,7 +406,7 @@ imx_dma_setup_handlers(int channel,
 	}
 
 	local_irq_save(flags);
-	__raw_writel(1 << channel, DMA_BASE + DMA_DISR);
+	imx_dmav1_writel(1 << channel, DMA_DISR);
 	imxdma->irq_handler = irq_handler;
 	imxdma->err_handler = err_handler;
 	imxdma->data = data;
@@ -462,22 +470,21 @@ void imx_dma_enable(int channel)
 
 	local_irq_save(flags);
 
-	__raw_writel(1 << channel, DMA_BASE + DMA_DISR);
-	__raw_writel(__raw_readl(DMA_BASE + DMA_DIMR) & ~(1 << channel),
-		DMA_BASE + DMA_DIMR);
-	__raw_writel(__raw_readl(DMA_BASE + DMA_CCR(channel)) | CCR_CEN |
-		CCR_ACRPT,
-		DMA_BASE + DMA_CCR(channel));
+	imx_dmav1_writel(1 << channel, DMA_DISR);
+	imx_dmav1_writel(imx_dmav1_readl(DMA_DIMR) & ~(1 << channel), DMA_DIMR);
+	imx_dmav1_writel(imx_dmav1_readl(DMA_CCR(channel)) | CCR_CEN |
+		CCR_ACRPT, DMA_CCR(channel));
 
 #ifdef CONFIG_ARCH_MX2
-	if (imxdma->sg && imx_dma_hw_chain(imxdma)) {
+	if ((cpu_is_mx21() || cpu_is_mx27()) &&
+			imxdma->sg && imx_dma_hw_chain(imxdma)) {
 		imxdma->sg = sg_next(imxdma->sg);
 		if (imxdma->sg) {
 			u32 tmp;
 			imx_dma_sg_next(channel, imxdma->sg);
-			tmp = __raw_readl(DMA_BASE + DMA_CCR(channel));
-			__raw_writel(tmp | CCR_RPT | CCR_ACRPT,
-				DMA_BASE + DMA_CCR(channel));
+			tmp = imx_dmav1_readl(DMA_CCR(channel));
+			imx_dmav1_writel(tmp | CCR_RPT | CCR_ACRPT,
+				DMA_CCR(channel));
 		}
 	}
 #endif
@@ -502,11 +509,10 @@ void imx_dma_disable(int channel)
 		del_timer(&imxdma->watchdog);
 
 	local_irq_save(flags);
-	__raw_writel(__raw_readl(DMA_BASE + DMA_DIMR) | (1 << channel),
-		DMA_BASE + DMA_DIMR);
-	__raw_writel(__raw_readl(DMA_BASE + DMA_CCR(channel)) & ~CCR_CEN,
-		DMA_BASE + DMA_CCR(channel));
-	__raw_writel(1 << channel, DMA_BASE + DMA_DISR);
+	imx_dmav1_writel(imx_dmav1_readl(DMA_DIMR) | (1 << channel), DMA_DIMR);
+	imx_dmav1_writel(imx_dmav1_readl(DMA_CCR(channel)) & ~CCR_CEN,
+			DMA_CCR(channel));
+	imx_dmav1_writel(1 << channel, DMA_DISR);
 	imxdma->in_use = 0;
 	local_irq_restore(flags);
 }
@@ -517,7 +523,7 @@ static void imx_dma_watchdog(unsigned long chno)
 {
 	struct imx_dma_channel *imxdma = &imx_dma_channels[chno];
 
-	__raw_writel(0, DMA_BASE + DMA_CCR(chno));
+	imx_dmav1_writel(0, DMA_CCR(chno));
 	imxdma->in_use = 0;
 	imxdma->sg = NULL;
 
@@ -533,17 +539,17 @@ static irqreturn_t dma_err_handler(int irq, void *dev_id)
 	unsigned int err_mask;
 	int errcode;
 
-	disr = __raw_readl(DMA_BASE + DMA_DISR);
+	disr = imx_dmav1_readl(DMA_DISR);
 
-	err_mask = __raw_readl(DMA_BASE + DMA_DBTOSR) |
-		   __raw_readl(DMA_BASE + DMA_DRTOSR) |
-		   __raw_readl(DMA_BASE + DMA_DSESR)  |
-		   __raw_readl(DMA_BASE + DMA_DBOSR);
+	err_mask = imx_dmav1_readl(DMA_DBTOSR) |
+		   imx_dmav1_readl(DMA_DRTOSR) |
+		   imx_dmav1_readl(DMA_DSESR)  |
+		   imx_dmav1_readl(DMA_DBOSR);
 
 	if (!err_mask)
 		return IRQ_HANDLED;
 
-	__raw_writel(disr & err_mask, DMA_BASE + DMA_DISR);
+	imx_dmav1_writel(disr & err_mask, DMA_DISR);
 
 	for (i = 0; i < IMX_DMA_CHANNELS; i++) {
 		if (!(err_mask & (1 << i)))
@@ -551,20 +557,20 @@ static irqreturn_t dma_err_handler(int irq, void *dev_id)
 		imxdma = &imx_dma_channels[i];
 		errcode = 0;
 
-		if (__raw_readl(DMA_BASE + DMA_DBTOSR) & (1 << i)) {
-			__raw_writel(1 << i, DMA_BASE + DMA_DBTOSR);
+		if (imx_dmav1_readl(DMA_DBTOSR) & (1 << i)) {
+			imx_dmav1_writel(1 << i, DMA_DBTOSR);
 			errcode |= IMX_DMA_ERR_BURST;
 		}
-		if (__raw_readl(DMA_BASE + DMA_DRTOSR) & (1 << i)) {
-			__raw_writel(1 << i, DMA_BASE + DMA_DRTOSR);
+		if (imx_dmav1_readl(DMA_DRTOSR) & (1 << i)) {
+			imx_dmav1_writel(1 << i, DMA_DRTOSR);
 			errcode |= IMX_DMA_ERR_REQUEST;
 		}
-		if (__raw_readl(DMA_BASE + DMA_DSESR) & (1 << i)) {
-			__raw_writel(1 << i, DMA_BASE + DMA_DSESR);
+		if (imx_dmav1_readl(DMA_DSESR) & (1 << i)) {
+			imx_dmav1_writel(1 << i, DMA_DSESR);
 			errcode |= IMX_DMA_ERR_TRANSFER;
 		}
-		if (__raw_readl(DMA_BASE + DMA_DBOSR) & (1 << i)) {
-			__raw_writel(1 << i, DMA_BASE + DMA_DBOSR);
+		if (imx_dmav1_readl(DMA_DBOSR) & (1 << i)) {
+			imx_dmav1_writel(1 << i, DMA_DBOSR);
 			errcode |= IMX_DMA_ERR_BUFFER;
 		}
 		if (imxdma->name && imxdma->err_handler) {
@@ -607,7 +613,7 @@ static void dma_irq_handle_channel(int chno)
 		if (imxdma->sg) {
 			imx_dma_sg_next(chno, imxdma->sg);
 
-			tmp = __raw_readl(DMA_BASE + DMA_CCR(chno));
+			tmp = imx_dmav1_readl(DMA_CCR(chno));
 
 			if (imx_dma_hw_chain(imxdma)) {
 				/* FIXME: The timeout should probably be
@@ -617,15 +623,13 @@ static void dma_irq_handle_channel(int chno)
 					jiffies + msecs_to_jiffies(500));
 
 				tmp |= CCR_CEN | CCR_RPT | CCR_ACRPT;
-				__raw_writel(tmp, DMA_BASE +
-						DMA_CCR(chno));
+				imx_dmav1_writel(tmp, DMA_CCR(chno));
 			} else {
-				__raw_writel(tmp & ~CCR_CEN, DMA_BASE +
-						DMA_CCR(chno));
+				imx_dmav1_writel(tmp & ~CCR_CEN, DMA_CCR(chno));
 				tmp |= CCR_CEN;
 			}
 
-			__raw_writel(tmp, DMA_BASE + DMA_CCR(chno));
+			imx_dmav1_writel(tmp, DMA_CCR(chno));
 
 			if (imxdma->prog_handler)
 				imxdma->prog_handler(chno, imxdma->data,
@@ -640,7 +644,7 @@ static void dma_irq_handle_channel(int chno)
 		}
 	}
 
-	__raw_writel(0, DMA_BASE + DMA_CCR(chno));
+	imx_dmav1_writel(0, DMA_CCR(chno));
 	imxdma->in_use = 0;
 	if (imxdma->irq_handler)
 		imxdma->irq_handler(chno, imxdma->data);
@@ -651,15 +655,16 @@ static irqreturn_t dma_irq_handler(int irq, void *dev_id)
 	int i, disr;
 
 #ifdef CONFIG_ARCH_MX2
-	dma_err_handler(irq, dev_id);
+	if (cpu_is_mx21() || cpu_is_mx27())
+		dma_err_handler(irq, dev_id);
 #endif
 
-	disr = __raw_readl(DMA_BASE + DMA_DISR);
+	disr = imx_dmav1_readl(DMA_DISR);
 
 	pr_debug("imxdma: dma_irq_handler called, disr=0x%08x\n",
 		     disr);
 
-	__raw_writel(disr, DMA_BASE + DMA_DISR);
+	imx_dmav1_writel(disr, DMA_DISR);
 	for (i = 0; i < IMX_DMA_CHANNELS; i++) {
 		if (disr & (1 << i))
 			dma_irq_handle_channel(i);
@@ -699,17 +704,19 @@ int imx_dma_request(int channel, const char *name)
 	local_irq_restore(flags); /* request_irq() can block */
 
 #ifdef CONFIG_ARCH_MX2
-	ret = request_irq(MXC_INT_DMACH0 + channel, dma_irq_handler, 0, "DMA",
-			NULL);
-	if (ret) {
-		imxdma->name = NULL;
-		printk(KERN_CRIT "Can't register IRQ %d for DMA channel %d\n",
-				MXC_INT_DMACH0 + channel, channel);
-		return ret;
+	if (cpu_is_mx21() || cpu_is_mx27()) {
+		ret = request_irq(MX2x_INT_DMACH0 + channel,
+				dma_irq_handler, 0, "DMA", NULL);
+		if (ret) {
+			imxdma->name = NULL;
+			pr_crit("Can't register IRQ %d for DMA channel %d\n",
+					MX2x_INT_DMACH0 + channel, channel);
+			return ret;
+		}
+		init_timer(&imxdma->watchdog);
+		imxdma->watchdog.function = &imx_dma_watchdog;
+		imxdma->watchdog.data = channel;
 	}
-	init_timer(&imxdma->watchdog);
-	imxdma->watchdog.function = &imx_dma_watchdog;
-	imxdma->watchdog.data = channel;
 #endif
 
 	return ret;
@@ -738,7 +745,8 @@ void imx_dma_free(int channel)
 	imxdma->name = NULL;
 
 #ifdef CONFIG_ARCH_MX2
-	free_irq(MXC_INT_DMACH0 + channel, NULL);
+	if (cpu_is_mx21() || cpu_is_mx27())
+		free_irq(MX2x_INT_DMACH0 + channel, NULL);
 #endif
 
 	local_irq_restore(flags);
@@ -796,34 +804,53 @@ static int __init imx_dma_init(void)
 	int ret = 0;
 	int i;
 
+#ifdef CONFIG_ARCH_MX1
+	if (cpu_is_mx1())
+		imx_dmav1_baseaddr = MX1_IO_ADDRESS(MX1_DMA_BASE_ADDR);
+	else
+#endif
+#ifdef CONFIG_MACH_MX21
+	if (cpu_is_mx21())
+		imx_dmav1_baseaddr = MX21_IO_ADDRESS(MX21_DMA_BASE_ADDR);
+	else
+#endif
+#ifdef CONFIG_MACH_MX27
+	if (cpu_is_mx27())
+		imx_dmav1_baseaddr = MX27_IO_ADDRESS(MX27_DMA_BASE_ADDR);
+	else
+#endif
+		BUG();
+
 	dma_clk = clk_get(NULL, "dma");
 	clk_enable(dma_clk);
 
 	/* reset DMA module */
-	__raw_writel(DCR_DRST, DMA_BASE + DMA_DCR);
+	imx_dmav1_writel(DCR_DRST, DMA_DCR);
 
 #ifdef CONFIG_ARCH_MX1
-	ret = request_irq(DMA_INT, dma_irq_handler, 0, "DMA", NULL);
-	if (ret) {
-		printk(KERN_CRIT "Wow!  Can't register IRQ for DMA\n");
-		return ret;
-	}
+	if (cpu_is_mx1()) {
+		ret = request_irq(MX1_DMA_INT, dma_irq_handler, 0, "DMA", NULL);
+		if (ret) {
+			pr_crit("Wow!  Can't register IRQ for DMA\n");
+			return ret;
+		}
 
-	ret = request_irq(DMA_ERR, dma_err_handler, 0, "DMA", NULL);
-	if (ret) {
-		printk(KERN_CRIT "Wow!  Can't register ERRIRQ for DMA\n");
-		free_irq(DMA_INT, NULL);
-		return ret;
+		ret = request_irq(MX1_DMA_ERR, dma_err_handler, 0, "DMA", NULL);
+		if (ret) {
+			pr_crit("Wow!  Can't register ERRIRQ for DMA\n");
+			free_irq(MX1_DMA_INT, NULL);
+			return ret;
+		}
 	}
 #endif
 	/* enable DMA module */
-	__raw_writel(DCR_DEN, DMA_BASE + DMA_DCR);
+	imx_dmav1_writel(DCR_DEN, DMA_DCR);
 
 	/* clear all interrupts */
-	__raw_writel((1 << IMX_DMA_CHANNELS) - 1, DMA_BASE + DMA_DISR);
+	imx_dmav1_writel((1 << IMX_DMA_CHANNELS) - 1, DMA_DISR);
 
 	/* disable interrupts */
-	__raw_writel((1 << IMX_DMA_CHANNELS) - 1, DMA_BASE + DMA_DIMR);
+	imx_dmav1_writel((1 << IMX_DMA_CHANNELS) - 1, DMA_DIMR);
 
 	for (i = 0; i < IMX_DMA_CHANNELS; i++) {
 		imx_dma_channels[i].sg = NULL;
diff --git a/arch/arm/plat-mxc/ehci.c b/arch/arm/plat-mxc/ehci.c
index 41599be882e8..cb0b63874482 100644
--- a/arch/arm/plat-mxc/ehci.c
+++ b/arch/arm/plat-mxc/ehci.c
@@ -25,25 +25,37 @@
 #define USBCTRL_OTGBASE_OFFSET	0x600
 
 #define MX31_OTG_SIC_SHIFT	29
-#define MX31_OTG_SIC_MASK	(0xf << MX31_OTG_SIC_SHIFT)
+#define MX31_OTG_SIC_MASK	(0x3 << MX31_OTG_SIC_SHIFT)
 #define MX31_OTG_PM_BIT		(1 << 24)
 
 #define MX31_H2_SIC_SHIFT	21
-#define MX31_H2_SIC_MASK	(0xf << MX31_H2_SIC_SHIFT)
+#define MX31_H2_SIC_MASK	(0x3 << MX31_H2_SIC_SHIFT)
 #define MX31_H2_PM_BIT		(1 << 16)
 #define MX31_H2_DT_BIT		(1 << 5)
 
 #define MX31_H1_SIC_SHIFT	13
-#define MX31_H1_SIC_MASK	(0xf << MX31_H1_SIC_SHIFT)
+#define MX31_H1_SIC_MASK	(0x3 << MX31_H1_SIC_SHIFT)
 #define MX31_H1_PM_BIT		(1 << 8)
 #define MX31_H1_DT_BIT		(1 << 4)
 
+#define MX35_OTG_SIC_SHIFT	29
+#define MX35_OTG_SIC_MASK	(0x3 << MX35_OTG_SIC_SHIFT)
+#define MX35_OTG_PM_BIT		(1 << 24)
+
+#define MX35_H1_SIC_SHIFT	21
+#define MX35_H1_SIC_MASK	(0x3 << MX35_H1_SIC_SHIFT)
+#define MX35_H1_PM_BIT		(1 << 8)
+#define MX35_H1_IPPUE_UP_BIT	(1 << 7)
+#define MX35_H1_IPPUE_DOWN_BIT	(1 << 6)
+#define MX35_H1_TLL_BIT		(1 << 5)
+#define MX35_H1_USBTE_BIT	(1 << 4)
+
 int mxc_set_usbcontrol(int port, unsigned int flags)
 {
 	unsigned int v;
-
+#ifdef CONFIG_ARCH_MX3
 	if (cpu_is_mx31()) {
-		v = readl(IO_ADDRESS(MX31_OTG_BASE_ADDR +
+		v = readl(MX31_IO_ADDRESS(MX31_OTG_BASE_ADDR +
 				     USBCTRL_OTGBASE_OFFSET));
 
 		switch (port) {
@@ -51,15 +63,15 @@ int mxc_set_usbcontrol(int port, unsigned int flags)
 			v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT);
 			v |= (flags & MXC_EHCI_INTERFACE_MASK)
 					<< MX31_OTG_SIC_SHIFT;
-			if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+			if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
 				v |= MX31_OTG_PM_BIT;
 
 			break;
 		case 1: /* H1 port */
-			v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT);
+			v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT | MX31_H1_DT_BIT);
 			v |= (flags & MXC_EHCI_INTERFACE_MASK)
 						<< MX31_H1_SIC_SHIFT;
-			if (flags & MXC_EHCI_POWER_PINS_ENABLED)
+			if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
 				v |= MX31_H1_PM_BIT;
 
 			if (!(flags & MXC_EHCI_TTL_ENABLED))
@@ -67,7 +79,7 @@ int mxc_set_usbcontrol(int port, unsigned int flags)
 
 			break;
 		case 2:	/* H2 port */
-			v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT);
+			v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT | MX31_H2_DT_BIT);
 			v |= (flags & MXC_EHCI_INTERFACE_MASK)
 						<< MX31_H2_SIC_SHIFT;
 			if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
@@ -77,13 +89,103 @@ int mxc_set_usbcontrol(int port, unsigned int flags)
 				v |= MX31_H2_DT_BIT;
 
 			break;
+		default:
+			return -EINVAL;
 		}
 
-		writel(v, IO_ADDRESS(MX31_OTG_BASE_ADDR +
+		writel(v, MX31_IO_ADDRESS(MX31_OTG_BASE_ADDR +
 				     USBCTRL_OTGBASE_OFFSET));
 		return 0;
 	}
 
+	if (cpu_is_mx35()) {
+		v = readl(MX35_IO_ADDRESS(MX35_OTG_BASE_ADDR +
+				     USBCTRL_OTGBASE_OFFSET));
+
+		switch (port) {
+		case 0:	/* OTG port */
+			v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT);
+			v |= (flags & MXC_EHCI_INTERFACE_MASK)
+					<< MX35_OTG_SIC_SHIFT;
+			if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+				v |= MX35_OTG_PM_BIT;
+
+			break;
+		case 1: /* H1 port */
+			v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_TLL_BIT |
+				MX35_H1_USBTE_BIT | MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT);
+			v |= (flags & MXC_EHCI_INTERFACE_MASK)
+						<< MX35_H1_SIC_SHIFT;
+			if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+				v |= MX35_H1_PM_BIT;
+
+			if (!(flags & MXC_EHCI_TTL_ENABLED))
+				v |= MX35_H1_TLL_BIT;
+
+			if (flags & MXC_EHCI_INTERNAL_PHY)
+				v |= MX35_H1_USBTE_BIT;
+
+			if (flags & MXC_EHCI_IPPUE_DOWN)
+				v |= MX35_H1_IPPUE_DOWN_BIT;
+
+			if (flags & MXC_EHCI_IPPUE_UP)
+				v |= MX35_H1_IPPUE_UP_BIT;
+
+			break;
+		default:
+			return -EINVAL;
+		}
+
+		writel(v, MX35_IO_ADDRESS(MX35_OTG_BASE_ADDR +
+				     USBCTRL_OTGBASE_OFFSET));
+		return 0;
+	}
+#endif /* CONFIG_ARCH_MX3 */
+#ifdef CONFIG_MACH_MX27
+	if (cpu_is_mx27()) {
+		/* On i.MX27 we can use the i.MX31 USBCTRL bits, they
+		 * are identical
+		 */
+		v = readl(MX27_IO_ADDRESS(MX27_OTG_BASE_ADDR +
+				     USBCTRL_OTGBASE_OFFSET));
+		switch (port) {
+		case 0:	/* OTG port */
+			v &= ~(MX31_OTG_SIC_MASK | MX31_OTG_PM_BIT);
+			v |= (flags & MXC_EHCI_INTERFACE_MASK)
+					<< MX31_OTG_SIC_SHIFT;
+			if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+				v |= MX31_OTG_PM_BIT;
+			break;
+		case 1: /* H1 port */
+			v &= ~(MX31_H1_SIC_MASK | MX31_H1_PM_BIT | MX31_H1_DT_BIT);
+			v |= (flags & MXC_EHCI_INTERFACE_MASK)
+						<< MX31_H1_SIC_SHIFT;
+			if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+				v |= MX31_H1_PM_BIT;
+
+			if (!(flags & MXC_EHCI_TTL_ENABLED))
+				v |= MX31_H1_DT_BIT;
+
+			break;
+		case 2:	/* H2 port */
+			v &= ~(MX31_H2_SIC_MASK | MX31_H2_PM_BIT | MX31_H2_DT_BIT);
+			v |= (flags & MXC_EHCI_INTERFACE_MASK)
+						<< MX31_H2_SIC_SHIFT;
+			if (!(flags & MXC_EHCI_POWER_PINS_ENABLED))
+				v |= MX31_H2_PM_BIT;
+
+			if (!(flags & MXC_EHCI_TTL_ENABLED))
+				v |= MX31_H2_DT_BIT;
+
+			break;
+		default:
+			return -EINVAL;
+		}
+		writel(v, MX27_IO_ADDRESS(MX27_OTG_BASE_ADDR +
+				     USBCTRL_OTGBASE_OFFSET));
+		return 0;
+	}
+#endif /* CONFIG_MACH_MX27 */
 	printk(KERN_WARNING
 		"%s() unable to setup USBCONTROL for this CPU\n", __func__);
 	return -EINVAL;
diff --git a/arch/arm/plat-mxc/gpio.c b/arch/arm/plat-mxc/gpio.c
index d65ebe303b9f..70b23893f094 100644
--- a/arch/arm/plat-mxc/gpio.c
+++ b/arch/arm/plat-mxc/gpio.c
@@ -140,16 +140,13 @@ static void mxc_flip_edge(struct mxc_gpio_port *port, u32 gpio)
 	val = __raw_readl(reg);
 	edge = (val >> (bit << 1)) & 3;
 	val &= ~(0x3 << (bit << 1));
-	switch (edge) {
-	case GPIO_INT_HIGH_LEV:
+	if (edge == GPIO_INT_HIGH_LEV) {
 		edge = GPIO_INT_LOW_LEV;
 		pr_debug("mxc: switch GPIO %d to low trigger\n", gpio);
-		break;
-	case GPIO_INT_LOW_LEV:
+	} else if (edge == GPIO_INT_LOW_LEV) {
 		edge = GPIO_INT_HIGH_LEV;
 		pr_debug("mxc: switch GPIO %d to high trigger\n", gpio);
-		break;
-	default:
+	} else {
 		pr_err("mxc: invalid configuration for GPIO %d: %x\n",
 		       gpio, edge);
 		return;
@@ -157,25 +154,20 @@ static void mxc_flip_edge(struct mxc_gpio_port *port, u32 gpio)
 	__raw_writel(val | (edge << (bit << 1)), reg);
 }
 
-/* handle n interrupts in one status register */
+/* handle 32 interrupts in one status register */
 static void mxc_gpio_irq_handler(struct mxc_gpio_port *port, u32 irq_stat)
 {
-	u32 gpio_irq_no;
+	u32 gpio_irq_no_base = port->virtual_irq_start;
 
-	gpio_irq_no = port->virtual_irq_start;
-	for (; irq_stat != 0; irq_stat >>= 1, gpio_irq_no++) {
-		u32 gpio = irq_to_gpio(gpio_irq_no);
-
-		if ((irq_stat & 1) == 0)
-			continue;
+	while (irq_stat != 0) {
+		int irqoffset = fls(irq_stat) - 1;
 
-		BUG_ON(!(irq_desc[gpio_irq_no].handle_irq));
+		if (port->both_edges & (1 << irqoffset))
+			mxc_flip_edge(port, irqoffset);
 
-		if (port->both_edges & (1 << (gpio & 31)))
-			mxc_flip_edge(port, gpio);
+		generic_handle_irq(gpio_irq_no_base + irqoffset);
 
-		irq_desc[gpio_irq_no].handle_irq(gpio_irq_no,
-				&irq_desc[gpio_irq_no]);
+		irq_stat &= ~(1 << irqoffset);
 	}
 }
 
diff --git a/arch/arm/plat-mxc/include/mach/board-kzmarm11.h b/arch/arm/plat-mxc/include/mach/board-kzmarm11.h
index 05ff2f31ef1f..93cc66f104c7 100644
--- a/arch/arm/plat-mxc/include/mach/board-kzmarm11.h
+++ b/arch/arm/plat-mxc/include/mach/board-kzmarm11.h
@@ -21,19 +21,19 @@
 /*
  *  KZM-ARM11-01 Board Control Registers on FPGA
  */
-#define KZM_ARM11_CTL1		(CS4_BASE_ADDR + 0x1000)
-#define KZM_ARM11_CTL2		(CS4_BASE_ADDR + 0x1001)
-#define KZM_ARM11_RSW1		(CS4_BASE_ADDR + 0x1002)
-#define KZM_ARM11_BACK_LIGHT	(CS4_BASE_ADDR + 0x1004)
-#define KZM_ARM11_FPGA_REV	(CS4_BASE_ADDR + 0x1008)
-#define KZM_ARM11_7SEG_LED	(CS4_BASE_ADDR + 0x1010)
-#define KZM_ARM11_LEDS		(CS4_BASE_ADDR + 0x1020)
-#define KZM_ARM11_DIPSW2	(CS4_BASE_ADDR + 0x1003)
+#define KZM_ARM11_CTL1		(MX31_CS4_BASE_ADDR + 0x1000)
+#define KZM_ARM11_CTL2		(MX31_CS4_BASE_ADDR + 0x1001)
+#define KZM_ARM11_RSW1		(MX31_CS4_BASE_ADDR + 0x1002)
+#define KZM_ARM11_BACK_LIGHT	(MX31_CS4_BASE_ADDR + 0x1004)
+#define KZM_ARM11_FPGA_REV	(MX31_CS4_BASE_ADDR + 0x1008)
+#define KZM_ARM11_7SEG_LED	(MX31_CS4_BASE_ADDR + 0x1010)
+#define KZM_ARM11_LEDS		(MX31_CS4_BASE_ADDR + 0x1020)
+#define KZM_ARM11_DIPSW2	(MX31_CS4_BASE_ADDR + 0x1003)
 
 /*
  * External UART for touch panel on FPGA
  */
-#define KZM_ARM11_16550		(CS4_BASE_ADDR + 0x1050)
+#define KZM_ARM11_16550		(MX31_CS4_BASE_ADDR + 0x1050)
 
 #endif /* __ARM_ARCH_BOARD_KZM_ARM11_H */
 
diff --git a/arch/arm/plat-mxc/include/mach/board-mx31ads.h b/arch/arm/plat-mxc/include/mach/board-mx31ads.h
index 2cbfa35e82ff..095a199591c6 100644
--- a/arch/arm/plat-mxc/include/mach/board-mx31ads.h
+++ b/arch/arm/plat-mxc/include/mach/board-mx31ads.h
@@ -14,7 +14,7 @@
 #include <mach/hardware.h>
 
 /* Base address of PBC controller */
-#define PBC_BASE_ADDRESS        IO_ADDRESS(CS4_BASE_ADDR)
+#define PBC_BASE_ADDRESS        MX31_CS4_BASE_ADDR_VIRT
 /* Offsets for the PBC Controller register */
 
 /* PBC Board status register offset */
diff --git a/arch/arm/plat-mxc/include/mach/board-mx31moboard.h b/arch/arm/plat-mxc/include/mach/board-mx31moboard.h
index d5be6b5a6acf..fc5fec9b55f0 100644
--- a/arch/arm/plat-mxc/include/mach/board-mx31moboard.h
+++ b/arch/arm/plat-mxc/include/mach/board-mx31moboard.h
@@ -25,6 +25,7 @@ enum mx31moboard_boards {
 	MX31NOBOARD	= 0,
 	MX31DEVBOARD	= 1,
 	MX31MARXBOT	= 2,
+	MX31SMARTBOT	= 3,
 };
 
 /*
@@ -34,6 +35,7 @@ enum mx31moboard_boards {
 
 extern void mx31moboard_devboard_init(void);
 extern void mx31moboard_marxbot_init(void);
+extern void mx31moboard_smartbot_init(void);
 
 #endif
 
diff --git a/arch/arm/plat-mxc/include/mach/clock.h b/arch/arm/plat-mxc/include/mach/clock.h
index 43a82d0c534d..753a5988d85c 100644
--- a/arch/arm/plat-mxc/include/mach/clock.h
+++ b/arch/arm/plat-mxc/include/mach/clock.h
@@ -26,13 +26,6 @@
 struct module;
 
 struct clk {
-#ifndef CONFIG_COMMON_CLKDEV
-	/* As soon as i.MX1 and i.MX31 switched to clkdev, this
-	 * block can go away */
-	struct list_head node;
-	struct module *owner;
-	const char *name;
-#endif
 	int id;
 	/* Source clock this clk depends on */
 	struct clk *parent;
diff --git a/arch/arm/plat-mxc/include/mach/common.h b/arch/arm/plat-mxc/include/mach/common.h
index 4bf1068ffad9..2941472582d2 100644
--- a/arch/arm/plat-mxc/include/mach/common.h
+++ b/arch/arm/plat-mxc/include/mach/common.h
@@ -20,14 +20,17 @@ extern void mx25_map_io(void);
 extern void mx27_map_io(void);
 extern void mx31_map_io(void);
 extern void mx35_map_io(void);
+extern void mx51_map_io(void);
 extern void mxc91231_map_io(void);
 extern void mxc_init_irq(void __iomem *);
+extern void tzic_init_irq(void __iomem *);
 extern void mx1_init_irq(void);
 extern void mx21_init_irq(void);
 extern void mx25_init_irq(void);
 extern void mx27_init_irq(void);
 extern void mx31_init_irq(void);
 extern void mx35_init_irq(void);
+extern void mx51_init_irq(void);
 extern void mxc91231_init_irq(void);
 extern void mxc_timer_init(struct clk *timer_clk, void __iomem *, int);
 extern int mx1_clocks_init(unsigned long fref);
@@ -36,6 +39,8 @@ extern int mx25_clocks_init(void);
 extern int mx27_clocks_init(unsigned long fref);
 extern int mx31_clocks_init(unsigned long fref);
 extern int mx35_clocks_init(void);
+extern int mx51_clocks_init(unsigned long ckil, unsigned long osc,
+			unsigned long ckih1, unsigned long ckih2);
 extern int mxc91231_clocks_init(unsigned long fref);
 extern int mxc_register_gpios(void);
 extern int mxc_register_device(struct platform_device *pdev, void *data);
diff --git a/arch/arm/plat-mxc/include/mach/debug-macro.S b/arch/arm/plat-mxc/include/mach/debug-macro.S
index 5a6ae1b9e1e8..0b6e11eaeb8c 100644
--- a/arch/arm/plat-mxc/include/mach/debug-macro.S
+++ b/arch/arm/plat-mxc/include/mach/debug-macro.S
@@ -10,6 +10,7 @@
  * published by the Free Software Foundation.
  *
  */
+#define IMX_NEEDS_DEPRECATED_SYMBOLS
 
 #ifdef CONFIG_ARCH_MX1
 #include <mach/mx1.h>
@@ -44,13 +45,22 @@
 #define UART_VADDR	AIPS1_IO_ADDRESS(UART1_BASE_ADDR)
 #endif
 
+#ifdef CONFIG_ARCH_MX5
+#ifdef UART_PADDR
+#error "CONFIG_DEBUG_LL is incompatible with multiple archs"
+#endif
+#include <mach/mx51.h>
+#define UART_PADDR	MX51_UART1_BASE_ADDR
+#define UART_VADDR	MX51_AIPS1_IO_ADDRESS(MX51_UART1_BASE_ADDR)
+#endif
+
 #ifdef CONFIG_ARCH_MXC91231
 #ifdef UART_PADDR
 #error "CONFIG_DEBUG_LL is incompatible with multiple archs"
 #endif
 #include <mach/mxc91231.h>
 #define UART_PADDR	MXC91231_UART2_BASE_ADDR
-#define UART_VADDR	MXC91231_AIPS1_IO_ADDRESS(MXC91231_UART2_BASE_ADDR)
+#define UART_VADDR	MXC91231_IO_ADDRESS(MXC91231_UART2_BASE_ADDR)
 #endif
 		.macro	addruart, rx, tmp
 		mrc	p15, 0, \rx, c1, c0
diff --git a/arch/arm/plat-mxc/include/mach/entry-macro.S b/arch/arm/plat-mxc/include/mach/entry-macro.S
index 7cf290efe768..aeb08697726b 100644
--- a/arch/arm/plat-mxc/include/mach/entry-macro.S
+++ b/arch/arm/plat-mxc/include/mach/entry-macro.S
@@ -1,6 +1,6 @@
 /*
  *  Copyright (C) 2007 Lennert Buytenhek <buytenh@wantstofly.org>
- *  Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
+ *  Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
  */
 
 /*
@@ -18,11 +18,16 @@
 	.endm
 
 	.macro  get_irqnr_preamble, base, tmp
+#ifndef CONFIG_MXC_TZIC
 	ldr	\base, =avic_base
 	ldr	\base, [\base]
 #ifdef CONFIG_MXC_IRQ_PRIOR
 	ldr	r4, [\base, #AVIC_NIMASK]
 #endif
+#elif defined CONFIG_MXC_TZIC
+	ldr	\base, =tzic_base
+	ldr	\base, [\base]
+#endif /* CONFIG_MXC_TZIC */
 	.endm
 
 	.macro  arch_ret_to_user, tmp1, tmp2
@@ -32,6 +37,7 @@
 	@ and returns its number in irqnr
 	@ and returns if an interrupt occured in irqstat
 	.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
+#ifndef CONFIG_MXC_TZIC
 	@ Load offset & priority of the highest priority
 	@ interrupt pending from AVIC_NIVECSR
 	ldr	\irqstat, [\base, #0x40]
@@ -45,6 +51,32 @@
 	strne	\tmp, [\base, #AVIC_NIMASK]
 	streq	r4, [\base, #AVIC_NIMASK]
 #endif
+#elif defined CONFIG_MXC_TZIC
+	@ Load offset & priority of the highest priority
+	@ interrupt pending.
+	@ 0xD80 is HIPND0 register
+	mov     \irqnr, #0
+	mov     \irqstat, #0x0D80
+1000:
+	ldr     \tmp,   [\irqstat, \base]
+	cmp     \tmp, #0
+	bne     1001f
+	addeq   \irqnr, \irqnr, #32
+	addeq   \irqstat, \irqstat, #4
+	cmp     \irqnr, #128
+	blo     1000b
+	b       2001f
+1001:	mov     \irqstat, #1
+1002:	tst     \tmp, \irqstat
+	bne     2002f
+	movs    \tmp, \tmp, lsr #1
+	addne   \irqnr, \irqnr, #1
+	bne     1002b
+2001:
+	mov  \irqnr, #0
+2002:
+	movs \irqnr, \irqnr
+#endif
 	.endm
 
 	@ irq priority table (not used)
diff --git a/arch/arm/plat-mxc/include/mach/hardware.h b/arch/arm/plat-mxc/include/mach/hardware.h
index 78db75475f69..ebadf4ac43fc 100644
--- a/arch/arm/plat-mxc/include/mach/hardware.h
+++ b/arch/arm/plat-mxc/include/mach/hardware.h
@@ -22,6 +22,15 @@
 
 #include <asm/sizes.h>
 
+#define IMX_IO_ADDRESS(addr, module)					\
+	((void __force __iomem *)					\
+	 (((unsigned long)((addr) - (module ## _BASE_ADDR)) < module ## _SIZE) ?\
+	 (addr) - (module ## _BASE_ADDR) + (module ## _BASE_ADDR_VIRT) : 0))
+
+#ifdef CONFIG_ARCH_MX5
+#include <mach/mx51.h>
+#endif
+
 #ifdef CONFIG_ARCH_MX3
 #include <mach/mx3x.h>
 #include <mach/mx31.h>
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx1.h b/arch/arm/plat-mxc/include/mach/iomux-mx1.h
index bf23305c19cc..6b1507cf378e 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx1.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx1.h
@@ -1,166 +1,155 @@
 /*
-* Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
-*
-* This program is free software; you can redistribute it and/or
-* modify it under the terms of the GNU General Public License
-* as published by the Free Software Foundation; either version 2
-* of the License, or (at your option) any later version.
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program; if not, write to the Free Software
-* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-* MA 02110-1301, USA.
-*/
+ * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#ifndef __MACH_IOMUX_MX1_H__
+#define __MACH_IOMUX_MX1_H__
 
-#ifndef _MXC_IOMUX_MX1_H
-#define _MXC_IOMUX_MX1_H
+#include <mach/iomux-v1.h>
 
-#ifndef GPIO_PORTA
-#error Please include mach/iomux.h
-#endif
+#define PA0_AIN_SPI2_CLK	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 0)
+#define PA0_AF_ETMTRACESYNC	(GPIO_PORTA | GPIO_AF | 0)
+#define PA1_AOUT_SPI2_RXD	(GPIO_PORTA | GPIO_AOUT | GPIO_IN | 1)
+#define PA1_PF_TIN		(GPIO_PORTA | GPIO_PF | 1)
+#define PA2_PF_PWM0		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 2)
+#define PA3_PF_CSI_MCLK		(GPIO_PORTA | GPIO_PF | 3)
+#define PA4_PF_CSI_D0		(GPIO_PORTA | GPIO_PF | 4)
+#define PA5_PF_CSI_D1		(GPIO_PORTA | GPIO_PF | 5)
+#define PA6_PF_CSI_D2		(GPIO_PORTA | GPIO_PF | 6)
+#define PA7_PF_CSI_D3		(GPIO_PORTA | GPIO_PF | 7)
+#define PA8_PF_CSI_D4		(GPIO_PORTA | GPIO_PF | 8)
+#define PA9_PF_CSI_D5		(GPIO_PORTA | GPIO_PF | 9)
+#define PA10_PF_CSI_D6		(GPIO_PORTA | GPIO_PF | 10)
+#define PA11_PF_CSI_D7		(GPIO_PORTA | GPIO_PF | 11)
+#define PA12_PF_CSI_VSYNC	(GPIO_PORTA | GPIO_PF | 12)
+#define PA13_PF_CSI_HSYNC	(GPIO_PORTA | GPIO_PF | 13)
+#define PA14_PF_CSI_PIXCLK	(GPIO_PORTA | GPIO_PF | 14)
+#define PA15_PF_I2C_SDA		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 15)
+#define PA16_PF_I2C_SCL		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 16)
+#define PA17_AF_ETMTRACEPKT4	(GPIO_PORTA | GPIO_AF | 17)
+#define PA17_AIN_SPI2_SS	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 17)
+#define PA18_AF_ETMTRACEPKT5	(GPIO_PORTA | GPIO_AF | 18)
+#define PA19_AF_ETMTRACEPKT6	(GPIO_PORTA | GPIO_AF | 19)
+#define PA20_AF_ETMTRACEPKT7	(GPIO_PORTA | GPIO_AF | 20)
+#define PA21_PF_A0		(GPIO_PORTA | GPIO_PF | 21)
+#define PA22_PF_CS4		(GPIO_PORTA | GPIO_PF | 22)
+#define PA23_PF_CS5		(GPIO_PORTA | GPIO_PF | 23)
+#define PA24_PF_A16		(GPIO_PORTA | GPIO_PF | 24)
+#define PA24_AF_ETMTRACEPKT0	(GPIO_PORTA | GPIO_AF | 24)
+#define PA25_PF_A17		(GPIO_PORTA | GPIO_PF | 25)
+#define PA25_AF_ETMTRACEPKT1	(GPIO_PORTA | GPIO_AF | 25)
+#define PA26_PF_A18		(GPIO_PORTA | GPIO_PF | 26)
+#define PA26_AF_ETMTRACEPKT2	(GPIO_PORTA | GPIO_AF | 26)
+#define PA27_PF_A19		(GPIO_PORTA | GPIO_PF | 27)
+#define PA27_AF_ETMTRACEPKT3	(GPIO_PORTA | GPIO_AF | 27)
+#define PA28_PF_A20		(GPIO_PORTA | GPIO_PF | 28)
+#define PA28_AF_ETMPIPESTAT0	(GPIO_PORTA | GPIO_AF | 28)
+#define PA29_PF_A21		(GPIO_PORTA | GPIO_PF | 29)
+#define PA29_AF_ETMPIPESTAT1	(GPIO_PORTA | GPIO_AF | 29)
+#define PA30_PF_A22		(GPIO_PORTA | GPIO_PF | 30)
+#define PA30_AF_ETMPIPESTAT2	(GPIO_PORTA | GPIO_AF | 30)
+#define PA31_PF_A23		(GPIO_PORTA | GPIO_PF | 31)
+#define PA31_AF_ETMTRACECLK	(GPIO_PORTA | GPIO_AF | 31)
+#define PB8_PF_SD_DAT0		(GPIO_PORTB | GPIO_PF | GPIO_PUEN | 8)
+#define PB8_AF_MS_PIO		(GPIO_PORTB | GPIO_AF | 8)
+#define PB9_PF_SD_DAT1		(GPIO_PORTB | GPIO_PF | GPIO_PUEN | 9)
+#define PB9_AF_MS_PI1		(GPIO_PORTB | GPIO_AF | 9)
+#define PB10_PF_SD_DAT2		(GPIO_PORTB | GPIO_PF | GPIO_PUEN | 10)
+#define PB10_AF_MS_SCLKI	(GPIO_PORTB | GPIO_AF | 10)
+#define PB11_PF_SD_DAT3		(GPIO_PORTB | GPIO_PF | 11)
+#define PB11_AF_MS_SDIO		(GPIO_PORTB | GPIO_AF | 11)
+#define PB12_PF_SD_CLK		(GPIO_PORTB | GPIO_PF | 12)
+#define PB12_AF_MS_SCLK0	(GPIO_PORTB | GPIO_AF | 12)
+#define PB13_PF_SD_CMD		(GPIO_PORTB | GPIO_PF | GPIO_PUEN | 13)
+#define PB13_AF_MS_BS		(GPIO_PORTB | GPIO_AF | 13)
+#define PB14_AF_SSI_RXFS	(GPIO_PORTB | GPIO_AF | 14)
+#define PB15_AF_SSI_RXCLK	(GPIO_PORTB | GPIO_AF | 15)
+#define PB16_AF_SSI_RXDAT	(GPIO_PORTB | GPIO_AF | GPIO_IN | 16)
+#define PB17_AF_SSI_TXDAT	(GPIO_PORTB | GPIO_AF | GPIO_OUT | 17)
+#define PB18_AF_SSI_TXFS	(GPIO_PORTB | GPIO_AF | 18)
+#define PB19_AF_SSI_TXCLK	(GPIO_PORTB | GPIO_AF | 19)
+#define PB20_PF_USBD_AFE	(GPIO_PORTB | GPIO_PF | 20)
+#define PB21_PF_USBD_OE		(GPIO_PORTB | GPIO_PF | 21)
+#define PB22_PF_USBD_RCV	(GPIO_PORTB | GPIO_PF | 22)
+#define PB23_PF_USBD_SUSPND	(GPIO_PORTB | GPIO_PF | 23)
+#define PB24_PF_USBD_VP		(GPIO_PORTB | GPIO_PF | 24)
+#define PB25_PF_USBD_VM		(GPIO_PORTB | GPIO_PF | 25)
+#define PB26_PF_USBD_VPO	(GPIO_PORTB | GPIO_PF | 26)
+#define PB27_PF_USBD_VMO	(GPIO_PORTB | GPIO_PF | 27)
+#define PB28_PF_UART2_CTS	(GPIO_PORTB | GPIO_PF | GPIO_OUT | 28)
+#define PB29_PF_UART2_RTS	(GPIO_PORTB | GPIO_PF | GPIO_IN | 29)
+#define PB30_PF_UART2_TXD	(GPIO_PORTB | GPIO_PF | GPIO_OUT | 30)
+#define PB31_PF_UART2_RXD	(GPIO_PORTB | GPIO_PF | GPIO_IN | 31)
+#define PC3_PF_SSI_RXFS		(GPIO_PORTC | GPIO_PF | 3)
+#define PC4_PF_SSI_RXCLK	(GPIO_PORTC | GPIO_PF | 4)
+#define PC5_PF_SSI_RXDAT	(GPIO_PORTC | GPIO_PF | GPIO_IN | 5)
+#define PC6_PF_SSI_TXDAT	(GPIO_PORTC | GPIO_PF | GPIO_OUT | 6)
+#define PC7_PF_SSI_TXFS		(GPIO_PORTC | GPIO_PF | 7)
+#define PC8_PF_SSI_TXCLK	(GPIO_PORTC | GPIO_PF | 8)
+#define PC9_PF_UART1_CTS	(GPIO_PORTC | GPIO_PF | GPIO_OUT | 9)
+#define PC10_PF_UART1_RTS	(GPIO_PORTC | GPIO_PF | GPIO_IN | 10)
+#define PC11_PF_UART1_TXD	(GPIO_PORTC | GPIO_PF | GPIO_OUT | 11)
+#define PC12_PF_UART1_RXD	(GPIO_PORTC | GPIO_PF | GPIO_IN | 12)
+#define PC13_PF_SPI1_SPI_RDY	(GPIO_PORTC | GPIO_PF | 13)
+#define PC14_PF_SPI1_SCLK	(GPIO_PORTC | GPIO_PF | 14)
+#define PC15_PF_SPI1_SS		(GPIO_PORTC | GPIO_PF | 15)
+#define PC16_PF_SPI1_MISO	(GPIO_PORTC | GPIO_PF | 16)
+#define PC17_PF_SPI1_MOSI	(GPIO_PORTC | GPIO_PF | 17)
+#define PC24_BIN_UART3_RI	(GPIO_PORTC | GPIO_BIN | GPIO_OUT | 24)
+#define PC25_BIN_UART3_DSR	(GPIO_PORTC | GPIO_BIN | GPIO_OUT | 25)
+#define PC26_AOUT_UART3_DTR	(GPIO_PORTC | GPIO_AOUT | GPIO_IN | 26)
+#define PC27_BIN_UART3_DCD	(GPIO_PORTC | GPIO_BIN | GPIO_OUT | 27)
+#define PC28_BIN_UART3_CTS	(GPIO_PORTC | GPIO_BIN | GPIO_OUT | 28)
+#define PC29_AOUT_UART3_RTS	(GPIO_PORTC | GPIO_AOUT | GPIO_IN | 29)
+#define PC30_BIN_UART3_TX	(GPIO_PORTC | GPIO_BIN | 30)
+#define PC31_AOUT_UART3_RX	(GPIO_PORTC | GPIO_AOUT | GPIO_IN | 31)
+#define PD6_PF_LSCLK		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 6)
+#define PD7_PF_REV		(GPIO_PORTD | GPIO_PF | 7)
+#define PD7_AF_UART2_DTR	(GPIO_PORTD | GPIO_AF | GPIO_IN | 7)
+#define PD7_AIN_SPI2_SCLK	(GPIO_PORTD | GPIO_AIN | 7)
+#define PD8_PF_CLS		(GPIO_PORTD | GPIO_PF | 8)
+#define PD8_AF_UART2_DCD	(GPIO_PORTD | GPIO_AF | GPIO_OUT | 8)
+#define PD8_AIN_SPI2_SS		(GPIO_PORTD | GPIO_AIN | 8)
+#define PD9_PF_PS		(GPIO_PORTD | GPIO_PF | 9)
+#define PD9_AF_UART2_RI		(GPIO_PORTD | GPIO_AF | GPIO_OUT | 9)
+#define PD9_AOUT_SPI2_RXD	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 9)
+#define PD10_PF_SPL_SPR		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 10)
+#define PD10_AF_UART2_DSR	(GPIO_PORTD | GPIO_AF | GPIO_OUT | 10)
+#define PD10_AIN_SPI2_TXD	(GPIO_PORTD | GPIO_AIN | GPIO_OUT | 10)
+#define PD11_PF_CONTRAST	(GPIO_PORTD | GPIO_PF | GPIO_OUT | 11)
+#define PD12_PF_ACD_OE		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 12)
+#define PD13_PF_LP_HSYNC	(GPIO_PORTD | GPIO_PF | GPIO_OUT | 13)
+#define PD14_PF_FLM_VSYNC	(GPIO_PORTD | GPIO_PF | GPIO_OUT | 14)
+#define PD15_PF_LD0		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 15)
+#define PD16_PF_LD1		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 16)
+#define PD17_PF_LD2		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 17)
+#define PD18_PF_LD3		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 18)
+#define PD19_PF_LD4		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 19)
+#define PD20_PF_LD5		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 20)
+#define PD21_PF_LD6		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 21)
+#define PD22_PF_LD7		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 22)
+#define PD23_PF_LD8		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 23)
+#define PD24_PF_LD9		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 24)
+#define PD25_PF_LD10		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 25)
+#define PD26_PF_LD11		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 26)
+#define PD27_PF_LD12		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 27)
+#define PD28_PF_LD13		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 28)
+#define PD29_PF_LD14		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 29)
+#define PD30_PF_LD15		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 30)
+#define PD31_PF_TMR2OUT		(GPIO_PORTD | GPIO_PF | 31)
+#define PD31_BIN_SPI2_TXD	(GPIO_PORTD | GPIO_BIN | 31)
 
-/* FIXME: This list is not completed. The correct directions are
-* missing on some (many) pins
-*/
-
-
-/* Primary GPIO pin functions */
-
-#define PA0_AIN_SPI2_CLK        (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 0)
-#define PA0_AF_ETMTRACESYNC     (GPIO_PORTA | GPIO_AF | 0)
-#define PA1_AOUT_SPI2_RXD       (GPIO_PORTA | GPIO_AOUT | GPIO_IN | 1)
-#define PA1_PF_TIN              (GPIO_PORTA | GPIO_PF | 1)
-#define PA2_PF_PWM0             (GPIO_PORTA | GPIO_PF | GPIO_OUT | 2)
-#define PA3_PF_CSI_MCLK         (GPIO_PORTA | GPIO_PF | 3)
-#define PA4_PF_CSI_D0           (GPIO_PORTA | GPIO_PF | 4)
-#define PA5_PF_CSI_D1           (GPIO_PORTA | GPIO_PF | 5)
-#define PA6_PF_CSI_D2           (GPIO_PORTA | GPIO_PF | 6)
-#define PA7_PF_CSI_D3           (GPIO_PORTA | GPIO_PF | 7)
-#define PA8_PF_CSI_D4           (GPIO_PORTA | GPIO_PF | 8)
-#define PA9_PF_CSI_D5           (GPIO_PORTA | GPIO_PF | 9)
-#define PA10_PF_CSI_D6          (GPIO_PORTA | GPIO_PF | 10)
-#define PA11_PF_CSI_D7          (GPIO_PORTA | GPIO_PF | 11)
-#define PA12_PF_CSI_VSYNC       (GPIO_PORTA | GPIO_PF | 12)
-#define PA13_PF_CSI_HSYNC       (GPIO_PORTA | GPIO_PF | 13)
-#define PA14_PF_CSI_PIXCLK      (GPIO_PORTA | GPIO_PF | 14)
-#define PA15_PF_I2C_SDA         (GPIO_PORTA | GPIO_PF | GPIO_OUT | 15)
-#define PA16_PF_I2C_SCL         (GPIO_PORTA | GPIO_PF | GPIO_OUT | 16)
-#define PA17_AF_ETMTRACEPKT4    (GPIO_PORTA | GPIO_AF | 17)
-#define PA17_AIN_SPI2_SS        (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 17)
-#define PA18_AF_ETMTRACEPKT5    (GPIO_PORTA | GPIO_AF | 18)
-#define PA19_AF_ETMTRACEPKT6    (GPIO_PORTA | GPIO_AF | 19)
-#define PA20_AF_ETMTRACEPKT7    (GPIO_PORTA | GPIO_AF | 20)
-#define PA21_PF_A0              (GPIO_PORTA | GPIO_PF | 21)
-#define PA22_PF_CS4             (GPIO_PORTA | GPIO_PF | 22)
-#define PA23_PF_CS5             (GPIO_PORTA | GPIO_PF | 23)
-#define PA24_PF_A16             (GPIO_PORTA | GPIO_PF | 24)
-#define PA24_AF_ETMTRACEPKT0    (GPIO_PORTA | GPIO_AF | 24)
-#define PA25_PF_A17             (GPIO_PORTA | GPIO_PF | 25)
-#define PA25_AF_ETMTRACEPKT1    (GPIO_PORTA | GPIO_AF | 25)
-#define PA26_PF_A18             (GPIO_PORTA | GPIO_PF | 26)
-#define PA26_AF_ETMTRACEPKT2    (GPIO_PORTA | GPIO_AF | 26)
-#define PA27_PF_A19             (GPIO_PORTA | GPIO_PF | 27)
-#define PA27_AF_ETMTRACEPKT3    (GPIO_PORTA | GPIO_AF | 27)
-#define PA28_PF_A20             (GPIO_PORTA | GPIO_PF | 28)
-#define PA28_AF_ETMPIPESTAT0    (GPIO_PORTA | GPIO_AF | 28)
-#define PA29_PF_A21             (GPIO_PORTA | GPIO_PF | 29)
-#define PA29_AF_ETMPIPESTAT1    (GPIO_PORTA | GPIO_AF | 29)
-#define PA30_PF_A22             (GPIO_PORTA | GPIO_PF | 30)
-#define PA30_AF_ETMPIPESTAT2    (GPIO_PORTA | GPIO_AF | 30)
-#define PA31_PF_A23             (GPIO_PORTA | GPIO_PF | 31)
-#define PA31_AF_ETMTRACECLK     (GPIO_PORTA | GPIO_AF | 31)
-#define PB8_PF_SD_DAT0          (GPIO_PORTB | GPIO_PF | GPIO_PUEN | 8)
-#define PB8_AF_MS_PIO           (GPIO_PORTB | GPIO_AF | 8)
-#define PB9_PF_SD_DAT1          (GPIO_PORTB | GPIO_PF | GPIO_PUEN | 9)
-#define PB9_AF_MS_PI1           (GPIO_PORTB | GPIO_AF | 9)
-#define PB10_PF_SD_DAT2         (GPIO_PORTB | GPIO_PF | GPIO_PUEN | 10)
-#define PB10_AF_MS_SCLKI        (GPIO_PORTB | GPIO_AF | 10)
-#define PB11_PF_SD_DAT3         (GPIO_PORTB | GPIO_PF | 11)
-#define PB11_AF_MS_SDIO         (GPIO_PORTB | GPIO_AF | 11)
-#define PB12_PF_SD_CLK          (GPIO_PORTB | GPIO_PF | 12)
-#define PB12_AF_MS_SCLK0        (GPIO_PORTB | GPIO_AF | 12)
-#define PB13_PF_SD_CMD          (GPIO_PORTB | GPIO_PF | GPIO_PUEN | 13)
-#define PB13_AF_MS_BS           (GPIO_PORTB | GPIO_AF | 13)
-#define PB14_AF_SSI_RXFS        (GPIO_PORTB | GPIO_AF | 14)
-#define PB15_AF_SSI_RXCLK       (GPIO_PORTB | GPIO_AF | 15)
-#define PB16_AF_SSI_RXDAT       (GPIO_PORTB | GPIO_AF | GPIO_IN | 16)
-#define PB17_AF_SSI_TXDAT       (GPIO_PORTB | GPIO_AF | GPIO_OUT | 17)
-#define PB18_AF_SSI_TXFS        (GPIO_PORTB | GPIO_AF | 18)
-#define PB19_AF_SSI_TXCLK       (GPIO_PORTB | GPIO_AF | 19)
-#define PB20_PF_USBD_AFE        (GPIO_PORTB | GPIO_PF | 20)
-#define PB21_PF_USBD_OE         (GPIO_PORTB | GPIO_PF | 21)
-#define PB22_PF_USBD_RCV        (GPIO_PORTB | GPIO_PF | 22)
-#define PB23_PF_USBD_SUSPND     (GPIO_PORTB | GPIO_PF | 23)
-#define PB24_PF_USBD_VP         (GPIO_PORTB | GPIO_PF | 24)
-#define PB25_PF_USBD_VM         (GPIO_PORTB | GPIO_PF | 25)
-#define PB26_PF_USBD_VPO        (GPIO_PORTB | GPIO_PF | 26)
-#define PB27_PF_USBD_VMO        (GPIO_PORTB | GPIO_PF | 27)
-#define PB28_PF_UART2_CTS       (GPIO_PORTB | GPIO_PF | GPIO_OUT | 28)
-#define PB29_PF_UART2_RTS       (GPIO_PORTB | GPIO_PF | GPIO_IN | 29)
-#define PB30_PF_UART2_TXD       (GPIO_PORTB | GPIO_PF | GPIO_OUT | 30)
-#define PB31_PF_UART2_RXD       (GPIO_PORTB | GPIO_PF | GPIO_IN | 31)
-#define PC3_PF_SSI_RXFS         (GPIO_PORTC | GPIO_PF | 3)
-#define PC4_PF_SSI_RXCLK        (GPIO_PORTC | GPIO_PF | 4)
-#define PC5_PF_SSI_RXDAT        (GPIO_PORTC | GPIO_PF | GPIO_IN | 5)
-#define PC6_PF_SSI_TXDAT        (GPIO_PORTC | GPIO_PF | GPIO_OUT | 6)
-#define PC7_PF_SSI_TXFS         (GPIO_PORTC | GPIO_PF | 7)
-#define PC8_PF_SSI_TXCLK        (GPIO_PORTC | GPIO_PF | 8)
-#define PC9_PF_UART1_CTS        (GPIO_PORTC | GPIO_PF | GPIO_OUT | 9)
-#define PC10_PF_UART1_RTS       (GPIO_PORTC | GPIO_PF | GPIO_IN | 10)
-#define PC11_PF_UART1_TXD       (GPIO_PORTC | GPIO_PF | GPIO_OUT | 11)
-#define PC12_PF_UART1_RXD       (GPIO_PORTC | GPIO_PF | GPIO_IN | 12)
-#define PC13_PF_SPI1_SPI_RDY    (GPIO_PORTC | GPIO_PF | 13)
-#define PC14_PF_SPI1_SCLK       (GPIO_PORTC | GPIO_PF | 14)
-#define PC15_PF_SPI1_SS         (GPIO_PORTC | GPIO_PF | 15)
-#define PC16_PF_SPI1_MISO       (GPIO_PORTC | GPIO_PF | 16)
-#define PC17_PF_SPI1_MOSI       (GPIO_PORTC | GPIO_PF | 17)
-#define PC24_BIN_UART3_RI       (GPIO_PORTC | GPIO_BIN | GPIO_OUT | 24)
-#define PC25_BIN_UART3_DSR      (GPIO_PORTC | GPIO_BIN | GPIO_OUT | 25)
-#define PC26_AOUT_UART3_DTR     (GPIO_PORTC | GPIO_AOUT | GPIO_IN | 26)
-#define PC27_BIN_UART3_DCD      (GPIO_PORTC | GPIO_BIN | GPIO_OUT | 27)
-#define PC28_BIN_UART3_CTS      (GPIO_PORTC | GPIO_BIN | GPIO_OUT | 28)
-#define PC29_AOUT_UART3_RTS     (GPIO_PORTC | GPIO_AOUT | GPIO_IN | 29)
-#define PC30_BIN_UART3_TX       (GPIO_PORTC | GPIO_BIN | 30)
-#define PC31_AOUT_UART3_RX      (GPIO_PORTC | GPIO_AOUT | GPIO_IN | 31)
-#define PD6_PF_LSCLK            (GPIO_PORTD | GPIO_PF | GPIO_OUT | 6)
-#define PD7_PF_REV              (GPIO_PORTD | GPIO_PF | 7)
-#define PD7_AF_UART2_DTR        (GPIO_PORTD | GPIO_AF | GPIO_IN | 7)
-#define PD7_AIN_SPI2_SCLK       (GPIO_PORTD | GPIO_AIN | 7)
-#define PD8_PF_CLS              (GPIO_PORTD | GPIO_PF | 8)
-#define PD8_AF_UART2_DCD        (GPIO_PORTD | GPIO_AF | GPIO_OUT | 8)
-#define PD8_AIN_SPI2_SS         (GPIO_PORTD | GPIO_AIN | 8)
-#define PD9_PF_PS               (GPIO_PORTD | GPIO_PF | 9)
-#define PD9_AF_UART2_RI         (GPIO_PORTD | GPIO_AF | GPIO_OUT | 9)
-#define PD9_AOUT_SPI2_RXD       (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 9)
-#define PD10_PF_SPL_SPR         (GPIO_PORTD | GPIO_PF | GPIO_OUT | 10)
-#define PD10_AF_UART2_DSR       (GPIO_PORTD | GPIO_AF | GPIO_OUT | 10)
-#define PD10_AIN_SPI2_TXD       (GPIO_PORTD | GPIO_AIN | GPIO_OUT | 10)
-#define PD11_PF_CONTRAST        (GPIO_PORTD | GPIO_PF | GPIO_OUT | 11)
-#define PD12_PF_ACD_OE          (GPIO_PORTD | GPIO_PF | GPIO_OUT | 12)
-#define PD13_PF_LP_HSYNC        (GPIO_PORTD | GPIO_PF | GPIO_OUT | 13)
-#define PD14_PF_FLM_VSYNC       (GPIO_PORTD | GPIO_PF | GPIO_OUT | 14)
-#define PD15_PF_LD0             (GPIO_PORTD | GPIO_PF | GPIO_OUT | 15)
-#define PD16_PF_LD1             (GPIO_PORTD | GPIO_PF | GPIO_OUT | 16)
-#define PD17_PF_LD2             (GPIO_PORTD | GPIO_PF | GPIO_OUT | 17)
-#define PD18_PF_LD3             (GPIO_PORTD | GPIO_PF | GPIO_OUT | 18)
-#define PD19_PF_LD4             (GPIO_PORTD | GPIO_PF | GPIO_OUT | 19)
-#define PD20_PF_LD5             (GPIO_PORTD | GPIO_PF | GPIO_OUT | 20)
-#define PD21_PF_LD6             (GPIO_PORTD | GPIO_PF | GPIO_OUT | 21)
-#define PD22_PF_LD7             (GPIO_PORTD | GPIO_PF | GPIO_OUT | 22)
-#define PD23_PF_LD8             (GPIO_PORTD | GPIO_PF | GPIO_OUT | 23)
-#define PD24_PF_LD9             (GPIO_PORTD | GPIO_PF | GPIO_OUT | 24)
-#define PD25_PF_LD10            (GPIO_PORTD | GPIO_PF | GPIO_OUT | 25)
-#define PD26_PF_LD11            (GPIO_PORTD | GPIO_PF | GPIO_OUT | 26)
-#define PD27_PF_LD12            (GPIO_PORTD | GPIO_PF | GPIO_OUT | 27)
-#define PD28_PF_LD13            (GPIO_PORTD | GPIO_PF | GPIO_OUT | 28)
-#define PD29_PF_LD14            (GPIO_PORTD | GPIO_PF | GPIO_OUT | 29)
-#define PD30_PF_LD15            (GPIO_PORTD | GPIO_PF | GPIO_OUT | 30)
-#define PD31_PF_TMR2OUT         (GPIO_PORTD | GPIO_PF | 31)
-#define PD31_BIN_SPI2_TXD       (GPIO_PORTD | GPIO_BIN | 31)
-
-
-#endif
+#endif /* ifndef __MACH_IOMUX_MX1_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx21.h b/arch/arm/plat-mxc/include/mach/iomux-mx21.h
index 63aaa972e275..1495dfda7834 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx21.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx21.h
@@ -1,126 +1,122 @@
 /*
-* Copyright (C) 2009 by Holger Schurig <hs4233@mail.mn-solutions.de>
-*
-* This program is free software; you can redistribute it and/or
-* modify it under the terms of the GNU General Public License
-* as published by the Free Software Foundation; either version 2
-* of the License, or (at your option) any later version.
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program; if not, write to the Free Software
-* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-* MA 02110-1301, USA.
-*/
-
-#ifndef _MXC_IOMUX_MX21_H
-#define _MXC_IOMUX_MX21_H
-
-#ifndef GPIO_PORTA
-#error Please include mach/iomux.h
-#endif
-
+ * Copyright (C) 2009 by Holger Schurig <hs4233@mail.mn-solutions.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#ifndef __MACH_IOMUX_MX21_H__
+#define __MACH_IOMUX_MX21_H__
+
+#include <mach/iomux-mx2x.h>
+#include <mach/iomux-v1.h>
 
 /* Primary GPIO pin functions */
 
-#define PB22_PF_USBH1_BYP       (GPIO_PORTB | GPIO_PF | 22)
-#define PB25_PF_USBH1_ON        (GPIO_PORTB | GPIO_PF | 25)
-#define PC5_PF_USBOTG_SDA       (GPIO_PORTC | GPIO_PF | 5)
-#define PC6_PF_USBOTG_SCL       (GPIO_PORTC | GPIO_PF | 6)
-#define PC7_PF_USBOTG_ON        (GPIO_PORTC | GPIO_PF | 7)
-#define PC8_PF_USBOTG_FS        (GPIO_PORTC | GPIO_PF | 8)
-#define PC9_PF_USBOTG_OE        (GPIO_PORTC | GPIO_PF | 9)
-#define PC10_PF_USBOTG_TXDM     (GPIO_PORTC | GPIO_PF | 10)
-#define PC11_PF_USBOTG_TXDP     (GPIO_PORTC | GPIO_PF | 11)
-#define PC12_PF_USBOTG_RXDM     (GPIO_PORTC | GPIO_PF | 12)
-#define PC13_PF_USBOTG_RXDP     (GPIO_PORTC | GPIO_PF | 13)
-#define PC16_PF_SAP_FS          (GPIO_PORTC | GPIO_PF | 16)
-#define PC17_PF_SAP_RXD         (GPIO_PORTC | GPIO_PF | 17)
-#define PC18_PF_SAP_TXD         (GPIO_PORTC | GPIO_PF | 18)
-#define PC19_PF_SAP_CLK         (GPIO_PORTC | GPIO_PF | 19)
-#define PE0_PF_TEST_WB2         (GPIO_PORTE | GPIO_PF | 0)
-#define PE1_PF_TEST_WB1         (GPIO_PORTE | GPIO_PF | 1)
-#define PE2_PF_TEST_WB0         (GPIO_PORTE | GPIO_PF | 2)
-#define PF1_PF_NFCE             (GPIO_PORTF | GPIO_PF | 1)
-#define PF3_PF_NFCLE            (GPIO_PORTF | GPIO_PF | 3)
-#define PF7_PF_NFIO0            (GPIO_PORTF | GPIO_PF | 7)
-#define PF8_PF_NFIO1            (GPIO_PORTF | GPIO_PF | 8)
-#define PF9_PF_NFIO2            (GPIO_PORTF | GPIO_PF | 9)
-#define PF10_PF_NFIO3           (GPIO_PORTF | GPIO_PF | 10)
-#define PF11_PF_NFIO4           (GPIO_PORTF | GPIO_PF | 11)
-#define PF12_PF_NFIO5           (GPIO_PORTF | GPIO_PF | 12)
-#define PF13_PF_NFIO6           (GPIO_PORTF | GPIO_PF | 13)
-#define PF14_PF_NFIO7           (GPIO_PORTF | GPIO_PF | 14)
-#define PF16_PF_RES             (GPIO_PORTF | GPIO_PF | 16)
+#define PB22_PF_USBH1_BYP	(GPIO_PORTB | GPIO_PF | 22)
+#define PB25_PF_USBH1_ON	(GPIO_PORTB | GPIO_PF | 25)
+#define PC5_PF_USBOTG_SDA	(GPIO_PORTC | GPIO_PF | 5)
+#define PC6_PF_USBOTG_SCL	(GPIO_PORTC | GPIO_PF | 6)
+#define PC7_PF_USBOTG_ON	(GPIO_PORTC | GPIO_PF | 7)
+#define PC8_PF_USBOTG_FS	(GPIO_PORTC | GPIO_PF | 8)
+#define PC9_PF_USBOTG_OE	(GPIO_PORTC | GPIO_PF | 9)
+#define PC10_PF_USBOTG_TXDM	(GPIO_PORTC | GPIO_PF | 10)
+#define PC11_PF_USBOTG_TXDP	(GPIO_PORTC | GPIO_PF | 11)
+#define PC12_PF_USBOTG_RXDM	(GPIO_PORTC | GPIO_PF | 12)
+#define PC13_PF_USBOTG_RXDP	(GPIO_PORTC | GPIO_PF | 13)
+#define PC16_PF_SAP_FS		(GPIO_PORTC | GPIO_PF | 16)
+#define PC17_PF_SAP_RXD		(GPIO_PORTC | GPIO_PF | 17)
+#define PC18_PF_SAP_TXD		(GPIO_PORTC | GPIO_PF | 18)
+#define PC19_PF_SAP_CLK		(GPIO_PORTC | GPIO_PF | 19)
+#define PE0_PF_TEST_WB2		(GPIO_PORTE | GPIO_PF | 0)
+#define PE1_PF_TEST_WB1		(GPIO_PORTE | GPIO_PF | 1)
+#define PE2_PF_TEST_WB0		(GPIO_PORTE | GPIO_PF | 2)
+#define PF1_PF_NFCE		(GPIO_PORTF | GPIO_PF | 1)
+#define PF3_PF_NFCLE		(GPIO_PORTF | GPIO_PF | 3)
+#define PF7_PF_NFIO0		(GPIO_PORTF | GPIO_PF | 7)
+#define PF8_PF_NFIO1		(GPIO_PORTF | GPIO_PF | 8)
+#define PF9_PF_NFIO2		(GPIO_PORTF | GPIO_PF | 9)
+#define PF10_PF_NFIO3		(GPIO_PORTF | GPIO_PF | 10)
+#define PF11_PF_NFIO4		(GPIO_PORTF | GPIO_PF | 11)
+#define PF12_PF_NFIO5		(GPIO_PORTF | GPIO_PF | 12)
+#define PF13_PF_NFIO6		(GPIO_PORTF | GPIO_PF | 13)
+#define PF14_PF_NFIO7		(GPIO_PORTF | GPIO_PF | 14)
+#define PF16_PF_RES		(GPIO_PORTF | GPIO_PF | 16)
 
 /* Alternate GPIO pin functions */
 
-#define PA5_AF_BMI_CLK_CS       (GPIO_PORTA | GPIO_AF | 5)
-#define PA6_AF_BMI_D0           (GPIO_PORTA | GPIO_AF | 6)
-#define PA7_AF_BMI_D1           (GPIO_PORTA | GPIO_AF | 7)
-#define PA8_AF_BMI_D2           (GPIO_PORTA | GPIO_AF | 8)
-#define PA9_AF_BMI_D3           (GPIO_PORTA | GPIO_AF | 9)
-#define PA10_AF_BMI_D4          (GPIO_PORTA | GPIO_AF | 10)
-#define PA11_AF_BMI_D5          (GPIO_PORTA | GPIO_AF | 11)
-#define PA12_AF_BMI_D6          (GPIO_PORTA | GPIO_AF | 12)
-#define PA13_AF_BMI_D7          (GPIO_PORTA | GPIO_AF | 13)
-#define PA14_AF_BMI_D8          (GPIO_PORTA | GPIO_AF | 14)
-#define PA15_AF_BMI_D9          (GPIO_PORTA | GPIO_AF | 15)
-#define PA16_AF_BMI_D10         (GPIO_PORTA | GPIO_AF | 16)
-#define PA17_AF_BMI_D11         (GPIO_PORTA | GPIO_AF | 17)
-#define PA18_AF_BMI_D12         (GPIO_PORTA | GPIO_AF | 18)
-#define PA19_AF_BMI_D13         (GPIO_PORTA | GPIO_AF | 19)
-#define PA20_AF_BMI_D14         (GPIO_PORTA | GPIO_AF | 20)
-#define PA21_AF_BMI_D15         (GPIO_PORTA | GPIO_AF | 21)
-#define PA22_AF_BMI_READ_REQ    (GPIO_PORTA | GPIO_AF | 22)
-#define PA23_AF_BMI_WRITE       (GPIO_PORTA | GPIO_AF | 23)
-#define PA29_AF_BMI_RX_FULL     (GPIO_PORTA | GPIO_AF | 29)
-#define PA30_AF_BMI_READ        (GPIO_PORTA | GPIO_AF | 30)
+#define PA5_AF_BMI_CLK_CS	(GPIO_PORTA | GPIO_AF | 5)
+#define PA6_AF_BMI_D0		(GPIO_PORTA | GPIO_AF | 6)
+#define PA7_AF_BMI_D1		(GPIO_PORTA | GPIO_AF | 7)
+#define PA8_AF_BMI_D2		(GPIO_PORTA | GPIO_AF | 8)
+#define PA9_AF_BMI_D3		(GPIO_PORTA | GPIO_AF | 9)
+#define PA10_AF_BMI_D4		(GPIO_PORTA | GPIO_AF | 10)
+#define PA11_AF_BMI_D5		(GPIO_PORTA | GPIO_AF | 11)
+#define PA12_AF_BMI_D6		(GPIO_PORTA | GPIO_AF | 12)
+#define PA13_AF_BMI_D7		(GPIO_PORTA | GPIO_AF | 13)
+#define PA14_AF_BMI_D8		(GPIO_PORTA | GPIO_AF | 14)
+#define PA15_AF_BMI_D9		(GPIO_PORTA | GPIO_AF | 15)
+#define PA16_AF_BMI_D10		(GPIO_PORTA | GPIO_AF | 16)
+#define PA17_AF_BMI_D11		(GPIO_PORTA | GPIO_AF | 17)
+#define PA18_AF_BMI_D12		(GPIO_PORTA | GPIO_AF | 18)
+#define PA19_AF_BMI_D13		(GPIO_PORTA | GPIO_AF | 19)
+#define PA20_AF_BMI_D14		(GPIO_PORTA | GPIO_AF | 20)
+#define PA21_AF_BMI_D15		(GPIO_PORTA | GPIO_AF | 21)
+#define PA22_AF_BMI_READ_REQ	(GPIO_PORTA | GPIO_AF | 22)
+#define PA23_AF_BMI_WRITE	(GPIO_PORTA | GPIO_AF | 23)
+#define PA29_AF_BMI_RX_FULL	(GPIO_PORTA | GPIO_AF | 29)
+#define PA30_AF_BMI_READ	(GPIO_PORTA | GPIO_AF | 30)
 
 /* AIN GPIO pin functions */
 
-#define PC14_AIN_SYS_CLK        (GPIO_PORTC | GPIO_AIN | GPIO_OUT | 14)
-#define PD21_AIN_USBH2_FS       (GPIO_PORTD | GPIO_AIN | GPIO_OUT | 21)
-#define PD22_AIN_USBH2_OE       (GPIO_PORTD | GPIO_AIN | GPIO_OUT | 22)
-#define PD23_AIN_USBH2_TXDM     (GPIO_PORTD | GPIO_AIN | GPIO_OUT | 23)
-#define PD24_AIN_USBH2_TXDP     (GPIO_PORTD | GPIO_AIN | GPIO_OUT | 24)
-#define PE8_AIN_IR_TXD          (GPIO_PORTE | GPIO_AIN | GPIO_OUT | 8)
-#define PF0_AIN_PC_RST          (GPIO_PORTF | GPIO_AIN | GPIO_OUT | 0)
-#define PF1_AIN_PC_CE1          (GPIO_PORTF | GPIO_AIN | GPIO_OUT | 1)
-#define PF2_AIN_PC_CE2          (GPIO_PORTF | GPIO_AIN | GPIO_OUT | 2)
-#define PF3_AIN_PC_POE          (GPIO_PORTF | GPIO_AIN | GPIO_OUT | 3)
-#define PF4_AIN_PC_OE           (GPIO_PORTF | GPIO_AIN | GPIO_OUT | 4)
-#define PF5_AIN_PC_RW           (GPIO_PORTF | GPIO_AIN | GPIO_OUT | 5)
+#define PC14_AIN_SYS_CLK	(GPIO_PORTC | GPIO_AIN | GPIO_OUT | 14)
+#define PD21_AIN_USBH2_FS	(GPIO_PORTD | GPIO_AIN | GPIO_OUT | 21)
+#define PD22_AIN_USBH2_OE	(GPIO_PORTD | GPIO_AIN | GPIO_OUT | 22)
+#define PD23_AIN_USBH2_TXDM	(GPIO_PORTD | GPIO_AIN | GPIO_OUT | 23)
+#define PD24_AIN_USBH2_TXDP	(GPIO_PORTD | GPIO_AIN | GPIO_OUT | 24)
+#define PE8_AIN_IR_TXD		(GPIO_PORTE | GPIO_AIN | GPIO_OUT | 8)
+#define PF0_AIN_PC_RST		(GPIO_PORTF | GPIO_AIN | GPIO_OUT | 0)
+#define PF1_AIN_PC_CE1		(GPIO_PORTF | GPIO_AIN | GPIO_OUT | 1)
+#define PF2_AIN_PC_CE2		(GPIO_PORTF | GPIO_AIN | GPIO_OUT | 2)
+#define PF3_AIN_PC_POE		(GPIO_PORTF | GPIO_AIN | GPIO_OUT | 3)
+#define PF4_AIN_PC_OE		(GPIO_PORTF | GPIO_AIN | GPIO_OUT | 4)
+#define PF5_AIN_PC_RW		(GPIO_PORTF | GPIO_AIN | GPIO_OUT | 5)
 
 /* BIN GPIO pin functions */
 
-#define PC14_BIN_SYS_CLK        (GPIO_PORTC | GPIO_BIN | GPIO_OUT | 14)
-#define PD27_BIN_EXT_DMA_GRANT  (GPIO_PORTD | GPIO_BIN | GPIO_OUT | 27)
+#define PC14_BIN_SYS_CLK	(GPIO_PORTC | GPIO_BIN | GPIO_OUT | 14)
+#define PD27_BIN_EXT_DMA_GRANT	(GPIO_PORTD | GPIO_BIN | GPIO_OUT | 27)
 
 /* CIN GPIO pin functions */
 
-#define PB26_CIN_USBH1_RXDAT    (GPIO_PORTB | GPIO_CIN | GPIO_OUT | 26)
+#define PB26_CIN_USBH1_RXDAT	(GPIO_PORTB | GPIO_CIN | GPIO_OUT | 26)
 
 /* AOUT GPIO pin functions */
 
-#define PA29_AOUT_BMI_WAIT      (GPIO_PORTA | GPIO_AOUT | GPIO_IN | 29)
-#define PD19_AOUT_USBH2_RXDM    (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 19)
-#define PD20_AOUT_USBH2_RXDP    (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 20)
-#define PD25_AOUT_EXT_DMAREQ    (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 25)
-#define PD26_AOUT_USBOTG_RXDAT  (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 26)
-#define PE9_AOUT_IR_RXD         (GPIO_PORTE | GPIO_AOUT | GPIO_IN | 9)
-#define PF6_AOUT_PC_BVD2        (GPIO_PORTF | GPIO_AOUT | GPIO_IN | 6)
-#define PF7_AOUT_PC_BVD1        (GPIO_PORTF | GPIO_AOUT | GPIO_IN | 7)
-#define PF8_AOUT_PC_VS2         (GPIO_PORTF | GPIO_AOUT | GPIO_IN | 8)
-#define PF9_AOUT_PC_VS1         (GPIO_PORTF | GPIO_AOUT | GPIO_IN | 9)
-#define PF10_AOUT_PC_WP         (GPIO_PORTF | GPIO_AOUT | GPIO_IN | 10)
-#define PF11_AOUT_PC_READY      (GPIO_PORTF | GPIO_AOUT | GPIO_IN | 11)
-#define PF12_AOUT_PC_WAIT       (GPIO_PORTF | GPIO_AOUT | GPIO_IN | 12)
-#define PF13_AOUT_PC_CD2        (GPIO_PORTF | GPIO_AOUT | GPIO_IN | 13)
-#define PF14_AOUT_PC_CD1        (GPIO_PORTF | GPIO_AOUT | GPIO_IN | 14)
-
-
-#endif
+#define PA29_AOUT_BMI_WAIT	(GPIO_PORTA | GPIO_AOUT | GPIO_IN | 29)
+#define PD19_AOUT_USBH2_RXDM	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 19)
+#define PD20_AOUT_USBH2_RXDP	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 20)
+#define PD25_AOUT_EXT_DMAREQ	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 25)
+#define PD26_AOUT_USBOTG_RXDAT	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 26)
+#define PE9_AOUT_IR_RXD		(GPIO_PORTE | GPIO_AOUT | GPIO_IN | 9)
+#define PF6_AOUT_PC_BVD2	(GPIO_PORTF | GPIO_AOUT | GPIO_IN | 6)
+#define PF7_AOUT_PC_BVD1	(GPIO_PORTF | GPIO_AOUT | GPIO_IN | 7)
+#define PF8_AOUT_PC_VS2		(GPIO_PORTF | GPIO_AOUT | GPIO_IN | 8)
+#define PF9_AOUT_PC_VS1		(GPIO_PORTF | GPIO_AOUT | GPIO_IN | 9)
+#define PF10_AOUT_PC_WP		(GPIO_PORTF | GPIO_AOUT | GPIO_IN | 10)
+#define PF11_AOUT_PC_READY	(GPIO_PORTF | GPIO_AOUT | GPIO_IN | 11)
+#define PF12_AOUT_PC_WAIT	(GPIO_PORTF | GPIO_AOUT | GPIO_IN | 12)
+#define PF13_AOUT_PC_CD2	(GPIO_PORTF | GPIO_AOUT | GPIO_IN | 13)
+#define PF14_AOUT_PC_CD1	(GPIO_PORTF | GPIO_AOUT | GPIO_IN | 14)
+
+#endif /* ifndef __MACH_IOMUX_MX21_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx25.h b/arch/arm/plat-mxc/include/mach/iomux-mx25.h
index 9af494f0ab3d..f39220d1b67a 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx25.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx25.h
@@ -7,7 +7,7 @@
  *    Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
  * and
  * arch/arm/plat-mxc/include/mach/iomux-mx35.h
- *    Copyright (C, NO_PAD_CTRL) 2009 by Jan Weitzel Phytec Messtechnik GmbH <armlinux@phytec.de>
+ *    Copyright (C) 2009 by Jan Weitzel Phytec Messtechnik GmbH <armlinux@phytec.de>
  *
  * The code contained herein is licensed under the GNU General Public
  * License. You may obtain a copy of the GNU General Public License
@@ -16,24 +16,11 @@
  * http://www.opensource.org/licenses/gpl-license.html
  * http://www.gnu.org/copyleft/gpl.html
  */
-#ifndef __IOMUX_MX25_H__
-#define __IOMUX_MX25_H__
+#ifndef __MACH_IOMUX_MX25_H__
+#define __MACH_IOMUX_MX25_H__
 
 #include <mach/iomux-v3.h>
 
-#ifndef GPIO_PORTA
-#error Please include mach/iomux.h
-#endif
-
-/*
- *
- * @brief MX25 I/O Pin List
- *
- * @ingroup GPIO_MX25
- */
-
-#ifndef __ASSEMBLY__
-
 /*
  * IOMUX/PAD Bit field definitions
  */
@@ -462,9 +449,11 @@
 #define MX25_PAD_GPIO_C__CAN2_TX	IOMUX_PAD(0x3f8, 0x1fc, 0x16, 0, 0, PAD_CTL_PUS_22K_UP)
 
 #define MX25_PAD_GPIO_D__GPIO_D		IOMUX_PAD(0x3fc, 0x200, 0x10, 0, 0, NO_PAD_CTRL)
+#define MX25_PAD_GPIO_E__LD16		IOMUX_PAD(0x400, 0x204, 0x02, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_GPIO_D__CAN2_RX	IOMUX_PAD(0x3fc, 0x200, 0x16, 0x484, 1, PAD_CTL_PUS_22K_UP)
 
 #define MX25_PAD_GPIO_E__GPIO_E		IOMUX_PAD(0x400, 0x204, 0x10, 0, 0, NO_PAD_CTRL)
+#define MX25_PAD_GPIO_F__LD17		IOMUX_PAD(0x404, 0x208, 0x02, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_GPIO_E__AUD7_TXD	IOMUX_PAD(0x400, 0x204, 0x14, 0, 0, NO_PAD_CTRL)
 
 #define MX25_PAD_GPIO_F__GPIO_F		IOMUX_PAD(0x404, 0x208, 0x10, 0, 0, NO_PAD_CTRL)
@@ -513,5 +502,4 @@
 #define MX25_PAD_CTL_GRP_DVS_SDHC1	IOMUX_PAD(0x458, 0x000, 0, 0, 0, NO_PAD_CTRL)
 #define MX25_PAD_CTL_GRP_DVS_LCD	IOMUX_PAD(0x45c, 0x000, 0, 0, 0, NO_PAD_CTRL)
 
-#endif // __ASSEMBLY__
-#endif // __IOMUX_MX25_H__
+#endif /* __MACH_IOMUX_MX25_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx27.h b/arch/arm/plat-mxc/include/mach/iomux-mx27.h
index 5ac158b70f61..d9f9a6e32d80 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx27.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx27.h
@@ -1,207 +1,205 @@
 /*
-* Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
-* Copyright (C) 2009 by Holger Schurig <hs4233@mail.mn-solutions.de>
-*
-* This program is free software; you can redistribute it and/or
-* modify it under the terms of the GNU General Public License
-* as published by the Free Software Foundation; either version 2
-* of the License, or (at your option) any later version.
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program; if not, write to the Free Software
-* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-* MA 02110-1301, USA.
-*/
-
-#ifndef _MXC_IOMUX_MX27_H
-#define _MXC_IOMUX_MX27_H
-
-#ifndef GPIO_PORTA
-#error Please include mach/iomux.h
-#endif
-
+ * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
+ * Copyright (C) 2009 by Holger Schurig <hs4233@mail.mn-solutions.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#ifndef __MACH_IOMUX_MX27_H__
+#define __MACH_IOMUX_MX27_H__
+
+#include <mach/iomux-mx2x.h>
+#include <mach/iomux-v1.h>
 
 /* Primary GPIO pin functions */
 
-#define PA0_PF_USBH2_CLK        (GPIO_PORTA | GPIO_PF | 0)
-#define PA1_PF_USBH2_DIR        (GPIO_PORTA | GPIO_PF | 1)
-#define PA2_PF_USBH2_DATA7      (GPIO_PORTA | GPIO_PF | 2)
-#define PA3_PF_USBH2_NXT        (GPIO_PORTA | GPIO_PF | 3)
-#define PA4_PF_USBH2_STP        (GPIO_PORTA | GPIO_PF | 4)
-#define PB22_PF_USBH1_SUSP      (GPIO_PORTB | GPIO_PF | 22)
-#define PB25_PF_USBH1_RCV       (GPIO_PORTB | GPIO_PF | 25)
-#define PC5_PF_I2C2_SDA         (GPIO_PORTC | GPIO_PF | GPIO_IN | 5)
-#define PC6_PF_I2C2_SCL         (GPIO_PORTC | GPIO_PF | GPIO_IN | 6)
-#define PC7_PF_USBOTG_DATA5     (GPIO_PORTC | GPIO_PF | GPIO_OUT | 7)
-#define PC8_PF_USBOTG_DATA6     (GPIO_PORTC | GPIO_PF | GPIO_OUT | 8)
-#define PC9_PF_USBOTG_DATA0     (GPIO_PORTC | GPIO_PF | GPIO_OUT | 9)
-#define PC10_PF_USBOTG_DATA2    (GPIO_PORTC | GPIO_PF | GPIO_OUT | 10)
-#define PC11_PF_USBOTG_DATA1    (GPIO_PORTC | GPIO_PF | GPIO_OUT | 11)
-#define PC12_PF_USBOTG_DATA4    (GPIO_PORTC | GPIO_PF | GPIO_OUT | 12)
-#define PC13_PF_USBOTG_DATA3    (GPIO_PORTC | GPIO_PF | GPIO_OUT | 13)
-#define PC16_PF_SSI4_FS         (GPIO_PORTC | GPIO_PF | GPIO_IN | 16)
-#define PC17_PF_SSI4_RXD        (GPIO_PORTC | GPIO_PF | GPIO_IN | 17)
-#define PC18_PF_SSI4_TXD        (GPIO_PORTC | GPIO_PF | GPIO_IN | 18)
-#define PC19_PF_SSI4_CLK        (GPIO_PORTC | GPIO_PF | GPIO_IN | 19)
-#define PC25_AF_GPT5_TIN        (GPIO_PORTC | GPIO_AF | 25)
-#define PC27_AF_GPT4_TIN        (GPIO_PORTC | GPIO_AF | 27)
-#define PD0_PF_SD3_CMD          (GPIO_PORTD | GPIO_PF | 0)
-#define PD1_PF_SD3_CLK          (GPIO_PORTD | GPIO_PF | 1)
-#define PD2_PF_ATA_DATA0        (GPIO_PORTD | GPIO_PF | 2)
-#define PD3_PF_ATA_DATA1        (GPIO_PORTD | GPIO_PF | 3)
-#define PD4_PF_ATA_DATA2        (GPIO_PORTD | GPIO_PF | 4)
-#define PD5_PF_ATA_DATA3        (GPIO_PORTD | GPIO_PF | 5)
-#define PD6_PF_ATA_DATA4        (GPIO_PORTD | GPIO_PF | 6)
-#define PD7_PF_ATA_DATA5        (GPIO_PORTD | GPIO_PF | 7)
-#define PD8_PF_ATA_DATA6        (GPIO_PORTD | GPIO_PF | 8)
-#define PD9_PF_ATA_DATA7        (GPIO_PORTD | GPIO_PF | 9)
-#define PD10_PF_ATA_DATA8       (GPIO_PORTD | GPIO_PF | 10)
-#define PD11_PF_ATA_DATA9       (GPIO_PORTD | GPIO_PF | 11)
-#define PD12_PF_ATA_DATA10      (GPIO_PORTD | GPIO_PF | 12)
-#define PD13_PF_ATA_DATA11      (GPIO_PORTD | GPIO_PF | 13)
-#define PD14_PF_ATA_DATA12      (GPIO_PORTD | GPIO_PF | 14)
-#define PD15_PF_ATA_DATA13      (GPIO_PORTD | GPIO_PF | 15)
-#define PD16_PF_ATA_DATA14      (GPIO_PORTD | GPIO_PF | 16)
-#define PE0_PF_USBOTG_NXT       (GPIO_PORTE | GPIO_PF | GPIO_OUT | 0)
-#define PE1_PF_USBOTG_STP       (GPIO_PORTE | GPIO_PF | GPIO_OUT | 1)
-#define PE2_PF_USBOTG_DIR       (GPIO_PORTE | GPIO_PF | GPIO_OUT | 2)
-#define PE24_PF_USBOTG_CLK      (GPIO_PORTE | GPIO_PF | GPIO_OUT | 24)
-#define PE25_PF_USBOTG_DATA7    (GPIO_PORTE | GPIO_PF | GPIO_OUT | 25)
-#define PF1_PF_NFCLE            (GPIO_PORTF | GPIO_PF | 1)
-#define PF3_PF_NFCE             (GPIO_PORTF | GPIO_PF | 3)
-#define PF7_PF_PC_POE           (GPIO_PORTF | GPIO_PF | 7)
-#define PF8_PF_PC_RW            (GPIO_PORTF | GPIO_PF | 8)
-#define PF9_PF_PC_IOIS16        (GPIO_PORTF | GPIO_PF | 9)
-#define PF10_PF_PC_RST          (GPIO_PORTF | GPIO_PF | 10)
-#define PF11_PF_PC_BVD2         (GPIO_PORTF | GPIO_PF | 11)
-#define PF12_PF_PC_BVD1         (GPIO_PORTF | GPIO_PF | 12)
-#define PF13_PF_PC_VS2          (GPIO_PORTF | GPIO_PF | 13)
-#define PF14_PF_PC_VS1          (GPIO_PORTF | GPIO_PF | 14)
-#define PF16_PF_PC_PWRON        (GPIO_PORTF | GPIO_PF | 16)
-#define PF17_PF_PC_READY        (GPIO_PORTF | GPIO_PF | 17)
-#define PF18_PF_PC_WAIT         (GPIO_PORTF | GPIO_PF | 18)
-#define PF19_PF_PC_CD2          (GPIO_PORTF | GPIO_PF | 19)
-#define PF20_PF_PC_CD1          (GPIO_PORTF | GPIO_PF | 20)
-#define PF23_PF_ATA_DATA15      (GPIO_PORTF | GPIO_PF | 23)
+#define PA0_PF_USBH2_CLK	(GPIO_PORTA | GPIO_PF | 0)
+#define PA1_PF_USBH2_DIR	(GPIO_PORTA | GPIO_PF | 1)
+#define PA2_PF_USBH2_DATA7	(GPIO_PORTA | GPIO_PF | 2)
+#define PA3_PF_USBH2_NXT	(GPIO_PORTA | GPIO_PF | 3)
+#define PA4_PF_USBH2_STP	(GPIO_PORTA | GPIO_PF | 4)
+#define PB22_PF_USBH1_SUSP	(GPIO_PORTB | GPIO_PF | 22)
+#define PB25_PF_USBH1_RCV	(GPIO_PORTB | GPIO_PF | 25)
+#define PC5_PF_I2C2_SDA		(GPIO_PORTC | GPIO_PF | GPIO_IN | 5)
+#define PC6_PF_I2C2_SCL		(GPIO_PORTC | GPIO_PF | GPIO_IN | 6)
+#define PC7_PF_USBOTG_DATA5	(GPIO_PORTC | GPIO_PF | GPIO_OUT | 7)
+#define PC8_PF_USBOTG_DATA6	(GPIO_PORTC | GPIO_PF | GPIO_OUT | 8)
+#define PC9_PF_USBOTG_DATA0	(GPIO_PORTC | GPIO_PF | GPIO_OUT | 9)
+#define PC10_PF_USBOTG_DATA2	(GPIO_PORTC | GPIO_PF | GPIO_OUT | 10)
+#define PC11_PF_USBOTG_DATA1	(GPIO_PORTC | GPIO_PF | GPIO_OUT | 11)
+#define PC12_PF_USBOTG_DATA4	(GPIO_PORTC | GPIO_PF | GPIO_OUT | 12)
+#define PC13_PF_USBOTG_DATA3	(GPIO_PORTC | GPIO_PF | GPIO_OUT | 13)
+#define PC16_PF_SSI4_FS		(GPIO_PORTC | GPIO_PF | GPIO_IN | 16)
+#define PC17_PF_SSI4_RXD	(GPIO_PORTC | GPIO_PF | GPIO_IN | 17)
+#define PC18_PF_SSI4_TXD	(GPIO_PORTC | GPIO_PF | GPIO_IN | 18)
+#define PC19_PF_SSI4_CLK	(GPIO_PORTC | GPIO_PF | GPIO_IN | 19)
+#define PD0_PF_SD3_CMD		(GPIO_PORTD | GPIO_PF | 0)
+#define PD1_PF_SD3_CLK		(GPIO_PORTD | GPIO_PF | 1)
+#define PD2_PF_ATA_DATA0	(GPIO_PORTD | GPIO_PF | 2)
+#define PD3_PF_ATA_DATA1	(GPIO_PORTD | GPIO_PF | 3)
+#define PD4_PF_ATA_DATA2	(GPIO_PORTD | GPIO_PF | 4)
+#define PD5_PF_ATA_DATA3	(GPIO_PORTD | GPIO_PF | 5)
+#define PD6_PF_ATA_DATA4	(GPIO_PORTD | GPIO_PF | 6)
+#define PD7_PF_ATA_DATA5	(GPIO_PORTD | GPIO_PF | 7)
+#define PD8_PF_ATA_DATA6	(GPIO_PORTD | GPIO_PF | 8)
+#define PD9_PF_ATA_DATA7	(GPIO_PORTD | GPIO_PF | 9)
+#define PD10_PF_ATA_DATA8	(GPIO_PORTD | GPIO_PF | 10)
+#define PD11_PF_ATA_DATA9	(GPIO_PORTD | GPIO_PF | 11)
+#define PD12_PF_ATA_DATA10	(GPIO_PORTD | GPIO_PF | 12)
+#define PD13_PF_ATA_DATA11	(GPIO_PORTD | GPIO_PF | 13)
+#define PD14_PF_ATA_DATA12	(GPIO_PORTD | GPIO_PF | 14)
+#define PD15_PF_ATA_DATA13	(GPIO_PORTD | GPIO_PF | 15)
+#define PD16_PF_ATA_DATA14	(GPIO_PORTD | GPIO_PF | 16)
+#define PE0_PF_USBOTG_NXT	(GPIO_PORTE | GPIO_PF | GPIO_OUT | 0)
+#define PE1_PF_USBOTG_STP	(GPIO_PORTE | GPIO_PF | GPIO_OUT | 1)
+#define PE2_PF_USBOTG_DIR	(GPIO_PORTE | GPIO_PF | GPIO_OUT | 2)
+#define PE24_PF_USBOTG_CLK	(GPIO_PORTE | GPIO_PF | GPIO_OUT | 24)
+#define PE25_PF_USBOTG_DATA7	(GPIO_PORTE | GPIO_PF | GPIO_OUT | 25)
+#define PF1_PF_NFCLE		(GPIO_PORTF | GPIO_PF | 1)
+#define PF3_PF_NFCE		(GPIO_PORTF | GPIO_PF | 3)
+#define PF7_PF_PC_POE		(GPIO_PORTF | GPIO_PF | 7)
+#define PF8_PF_PC_RW		(GPIO_PORTF | GPIO_PF | 8)
+#define PF9_PF_PC_IOIS16	(GPIO_PORTF | GPIO_PF | 9)
+#define PF10_PF_PC_RST		(GPIO_PORTF | GPIO_PF | 10)
+#define PF11_PF_PC_BVD2		(GPIO_PORTF | GPIO_PF | 11)
+#define PF12_PF_PC_BVD1		(GPIO_PORTF | GPIO_PF | 12)
+#define PF13_PF_PC_VS2		(GPIO_PORTF | GPIO_PF | 13)
+#define PF14_PF_PC_VS1		(GPIO_PORTF | GPIO_PF | 14)
+#define PF16_PF_PC_PWRON	(GPIO_PORTF | GPIO_PF | 16)
+#define PF17_PF_PC_READY	(GPIO_PORTF | GPIO_PF | 17)
+#define PF18_PF_PC_WAIT		(GPIO_PORTF | GPIO_PF | 18)
+#define PF19_PF_PC_CD2		(GPIO_PORTF | GPIO_PF | 19)
+#define PF20_PF_PC_CD1		(GPIO_PORTF | GPIO_PF | 20)
+#define PF23_PF_ATA_DATA15	(GPIO_PORTF | GPIO_PF | 23)
 
 /* Alternate GPIO pin functions */
 
-#define PB4_AF_MSHC_DATA0       (GPIO_PORTB | GPIO_AF | GPIO_OUT | 4)
-#define PB5_AF_MSHC_DATA1       (GPIO_PORTB | GPIO_AF | GPIO_OUT | 5)
-#define PB6_AF_MSHC_DATA2       (GPIO_PORTB | GPIO_AF | GPIO_OUT | 6)
-#define PB7_AF_MSHC_DATA4       (GPIO_PORTB | GPIO_AF | GPIO_OUT | 7)
-#define PB8_AF_MSHC_BS          (GPIO_PORTB | GPIO_AF | GPIO_OUT | 8)
-#define PB9_AF_MSHC_SCLK        (GPIO_PORTB | GPIO_AF | GPIO_OUT | 9)
-#define PB10_AF_UART6_TXD       (GPIO_PORTB | GPIO_AF | GPIO_OUT | 10)
-#define PB11_AF_UART6_RXD       (GPIO_PORTB | GPIO_AF | GPIO_IN | 11)
-#define PB12_AF_UART6_CTS       (GPIO_PORTB | GPIO_AF | GPIO_OUT | 12)
-#define PB13_AF_UART6_RTS       (GPIO_PORTB | GPIO_AF | GPIO_IN | 13)
-#define PB18_AF_UART5_TXD       (GPIO_PORTB | GPIO_AF | GPIO_OUT | 18)
-#define PB19_AF_UART5_RXD       (GPIO_PORTB | GPIO_AF | GPIO_IN | 19)
-#define PB20_AF_UART5_CTS       (GPIO_PORTB | GPIO_AF | GPIO_OUT | 20)
-#define PB21_AF_UART5_RTS       (GPIO_PORTB | GPIO_AF | GPIO_IN | 21)
-#define PC8_AF_FEC_MDIO         (GPIO_PORTC | GPIO_AF | GPIO_IN | 8)
-#define PC24_AF_GPT5_TOUT       (GPIO_PORTC | GPIO_AF | 24)
-#define PC26_AF_GPT4_TOUT       (GPIO_PORTC | GPIO_AF | 26)
-#define PD1_AF_ETMTRACE_PKT15   (GPIO_PORTD | GPIO_AF | 1)
-#define PD6_AF_ETMTRACE_PKT14   (GPIO_PORTD | GPIO_AF | 6)
-#define PD7_AF_ETMTRACE_PKT13   (GPIO_PORTD | GPIO_AF | 7)
-#define PD9_AF_ETMTRACE_PKT12   (GPIO_PORTD | GPIO_AF | 9)
-#define PD2_AF_SD3_D0           (GPIO_PORTD | GPIO_AF | 2)
-#define PD3_AF_SD3_D1           (GPIO_PORTD | GPIO_AF | 3)
-#define PD4_AF_SD3_D2           (GPIO_PORTD | GPIO_AF | 4)
-#define PD5_AF_SD3_D3           (GPIO_PORTD | GPIO_AF | 5)
-#define PD8_AF_FEC_MDIO         (GPIO_PORTD | GPIO_AF | GPIO_IN | 8)
-#define PD10_AF_ETMTRACE_PKT11  (GPIO_PORTD | GPIO_AF | 10)
-#define PD11_AF_ETMTRACE_PKT10  (GPIO_PORTD | GPIO_AF | 11)
-#define PD12_AF_ETMTRACE_PKT9   (GPIO_PORTD | GPIO_AF | 12)
-#define PD13_AF_ETMTRACE_PKT8   (GPIO_PORTD | GPIO_AF | 13)
-#define PD14_AF_ETMTRACE_PKT7   (GPIO_PORTD | GPIO_AF | 14)
-#define PD15_AF_ETMTRACE_PKT6   (GPIO_PORTD | GPIO_AF | 15)
-#define PD16_AF_ETMTRACE_PKT5   (GPIO_PORTD | GPIO_AF | 16)
-#define PF1_AF_ETMTRACE_PKT0    (GPIO_PORTF | GPIO_AF | 1)
-#define PF3_AF_ETMTRACE_PKT2    (GPIO_PORTF | GPIO_AF | 3)
-#define PF5_AF_ETMPIPESTAT11    (GPIO_PORTF | GPIO_AF | 5)
-#define PF7_AF_ATA_BUFFER_EN    (GPIO_PORTF | GPIO_AF | 7)
-#define PF8_AF_ATA_IORDY        (GPIO_PORTF | GPIO_AF | 8)
-#define PF9_AF_ATA_INTRQ        (GPIO_PORTF | GPIO_AF | 9)
-#define PF10_AF_ATA_RESET       (GPIO_PORTF | GPIO_AF | 10)
-#define PF11_AF_ATA_DMACK       (GPIO_PORTF | GPIO_AF | 11)
-#define PF12_AF_ATA_DMAREQ      (GPIO_PORTF | GPIO_AF | 12)
-#define PF13_AF_ATA_DA0         (GPIO_PORTF | GPIO_AF | 13)
-#define PF14_AF_ATA_DA1         (GPIO_PORTF | GPIO_AF | 14)
-#define PF15_AF_ETMTRACE_SYNC   (GPIO_PORTF | GPIO_AF | 15)
-#define PF16_AF_ATA_DA2         (GPIO_PORTF | GPIO_AF | 16)
-#define PF17_AF_ATA_CS0         (GPIO_PORTF | GPIO_AF | 17)
-#define PF18_AF_ATA_CS1         (GPIO_PORTF | GPIO_AF | 18)
-#define PF19_AF_ATA_DIOW        (GPIO_PORTF | GPIO_AF | 19)
-#define PF20_AF_ATA_DIOR        (GPIO_PORTF | GPIO_AF | 20)
-#define PF22_AF_ETMTRACE_CLK    (GPIO_PORTF | GPIO_AF | 22)
-#define PF23_AF_ETMTRACE_PKT4   (GPIO_PORTF | GPIO_AF | 23)
+#define PB4_AF_MSHC_DATA0	(GPIO_PORTB | GPIO_AF | GPIO_OUT | 4)
+#define PB5_AF_MSHC_DATA1	(GPIO_PORTB | GPIO_AF | GPIO_OUT | 5)
+#define PB6_AF_MSHC_DATA2	(GPIO_PORTB | GPIO_AF | GPIO_OUT | 6)
+#define PB7_AF_MSHC_DATA4	(GPIO_PORTB | GPIO_AF | GPIO_OUT | 7)
+#define PB8_AF_MSHC_BS		(GPIO_PORTB | GPIO_AF | GPIO_OUT | 8)
+#define PB9_AF_MSHC_SCLK	(GPIO_PORTB | GPIO_AF | GPIO_OUT | 9)
+#define PB10_AF_UART6_TXD	(GPIO_PORTB | GPIO_AF | GPIO_OUT | 10)
+#define PB11_AF_UART6_RXD	(GPIO_PORTB | GPIO_AF | GPIO_IN | 11)
+#define PB12_AF_UART6_CTS	(GPIO_PORTB | GPIO_AF | GPIO_OUT | 12)
+#define PB13_AF_UART6_RTS	(GPIO_PORTB | GPIO_AF | GPIO_IN | 13)
+#define PB18_AF_UART5_TXD	(GPIO_PORTB | GPIO_AF | GPIO_OUT | 18)
+#define PB19_AF_UART5_RXD	(GPIO_PORTB | GPIO_AF | GPIO_IN | 19)
+#define PB20_AF_UART5_CTS	(GPIO_PORTB | GPIO_AF | GPIO_OUT | 20)
+#define PB21_AF_UART5_RTS	(GPIO_PORTB | GPIO_AF | GPIO_IN | 21)
+#define PC8_AF_FEC_MDIO		(GPIO_PORTC | GPIO_AF | GPIO_IN | 8)
+#define PC24_AF_GPT5_TOUT	(GPIO_PORTC | GPIO_AF | 24)
+#define PC25_AF_GPT5_TIN	(GPIO_PORTC | GPIO_AF | 25)
+#define PC26_AF_GPT4_TOUT	(GPIO_PORTC | GPIO_AF | 26)
+#define PC27_AF_GPT4_TIN	(GPIO_PORTC | GPIO_AF | 27)
+#define PD1_AF_ETMTRACE_PKT15	(GPIO_PORTD | GPIO_AF | 1)
+#define PD6_AF_ETMTRACE_PKT14	(GPIO_PORTD | GPIO_AF | 6)
+#define PD7_AF_ETMTRACE_PKT13	(GPIO_PORTD | GPIO_AF | 7)
+#define PD9_AF_ETMTRACE_PKT12	(GPIO_PORTD | GPIO_AF | 9)
+#define PD2_AF_SD3_D0		(GPIO_PORTD | GPIO_AF | 2)
+#define PD3_AF_SD3_D1		(GPIO_PORTD | GPIO_AF | 3)
+#define PD4_AF_SD3_D2		(GPIO_PORTD | GPIO_AF | 4)
+#define PD5_AF_SD3_D3		(GPIO_PORTD | GPIO_AF | 5)
+#define PD8_AF_FEC_MDIO		(GPIO_PORTD | GPIO_AF | GPIO_IN | 8)
+#define PD10_AF_ETMTRACE_PKT11	(GPIO_PORTD | GPIO_AF | 10)
+#define PD11_AF_ETMTRACE_PKT10	(GPIO_PORTD | GPIO_AF | 11)
+#define PD12_AF_ETMTRACE_PKT9	(GPIO_PORTD | GPIO_AF | 12)
+#define PD13_AF_ETMTRACE_PKT8	(GPIO_PORTD | GPIO_AF | 13)
+#define PD14_AF_ETMTRACE_PKT7	(GPIO_PORTD | GPIO_AF | 14)
+#define PD15_AF_ETMTRACE_PKT6	(GPIO_PORTD | GPIO_AF | 15)
+#define PD16_AF_ETMTRACE_PKT5	(GPIO_PORTD | GPIO_AF | 16)
+#define PF1_AF_ETMTRACE_PKT0	(GPIO_PORTF | GPIO_AF | 1)
+#define PF3_AF_ETMTRACE_PKT2	(GPIO_PORTF | GPIO_AF | 3)
+#define PF5_AF_ETMPIPESTAT11	(GPIO_PORTF | GPIO_AF | 5)
+#define PF7_AF_ATA_BUFFER_EN	(GPIO_PORTF | GPIO_AF | 7)
+#define PF8_AF_ATA_IORDY	(GPIO_PORTF | GPIO_AF | 8)
+#define PF9_AF_ATA_INTRQ	(GPIO_PORTF | GPIO_AF | 9)
+#define PF10_AF_ATA_RESET	(GPIO_PORTF | GPIO_AF | 10)
+#define PF11_AF_ATA_DMACK	(GPIO_PORTF | GPIO_AF | 11)
+#define PF12_AF_ATA_DMAREQ	(GPIO_PORTF | GPIO_AF | 12)
+#define PF13_AF_ATA_DA0		(GPIO_PORTF | GPIO_AF | 13)
+#define PF14_AF_ATA_DA1		(GPIO_PORTF | GPIO_AF | 14)
+#define PF15_AF_ETMTRACE_SYNC	(GPIO_PORTF | GPIO_AF | 15)
+#define PF16_AF_ATA_DA2		(GPIO_PORTF | GPIO_AF | 16)
+#define PF17_AF_ATA_CS0		(GPIO_PORTF | GPIO_AF | 17)
+#define PF18_AF_ATA_CS1		(GPIO_PORTF | GPIO_AF | 18)
+#define PF19_AF_ATA_DIOW	(GPIO_PORTF | GPIO_AF | 19)
+#define PF20_AF_ATA_DIOR	(GPIO_PORTF | GPIO_AF | 20)
+#define PF22_AF_ETMTRACE_CLK	(GPIO_PORTF | GPIO_AF | 22)
+#define PF23_AF_ETMTRACE_PKT4	(GPIO_PORTF | GPIO_AF | 23)
 
 /* AIN GPIO pin functions */
 
-#define PC14_AIN_SSI1_MCLK      (GPIO_PORTC | GPIO_AIN | GPIO_OUT | 14)
-#define PC15_AIN_GPT6_TOUT      (GPIO_PORTC | GPIO_AIN | GPIO_OUT | 15)
-#define PD0_AIN_FEC_TXD0        (GPIO_PORTD | GPIO_AIN | GPIO_OUT | 0)
-#define PD1_AIN_FEC_TXD1        (GPIO_PORTD | GPIO_AIN | GPIO_OUT | 1)
-#define PD2_AIN_FEC_TXD2        (GPIO_PORTD | GPIO_AIN | GPIO_OUT | 2)
-#define PD3_AIN_FEC_TXD3        (GPIO_PORTD | GPIO_AIN | GPIO_OUT | 3)
-#define PD9_AIN_FEC_MDC         (GPIO_PORTD | GPIO_AIN | GPIO_OUT | 9)
-#define PD16_AIN_FEC_TX_ER      (GPIO_PORTD | GPIO_AIN | GPIO_OUT | 16)
-#define PD27_AIN_EXT_DMA_GRANT  (GPIO_PORTD | GPIO_AIN | GPIO_OUT | 27)
-#define PF23_AIN_FEC_TX_EN      (GPIO_PORTF | GPIO_AIN | GPIO_OUT | 23)
+#define PC14_AIN_SSI1_MCLK	(GPIO_PORTC | GPIO_AIN | GPIO_OUT | 14)
+#define PC15_AIN_GPT6_TOUT	(GPIO_PORTC | GPIO_AIN | GPIO_OUT | 15)
+#define PD0_AIN_FEC_TXD0	(GPIO_PORTD | GPIO_AIN | GPIO_OUT | 0)
+#define PD1_AIN_FEC_TXD1	(GPIO_PORTD | GPIO_AIN | GPIO_OUT | 1)
+#define PD2_AIN_FEC_TXD2	(GPIO_PORTD | GPIO_AIN | GPIO_OUT | 2)
+#define PD3_AIN_FEC_TXD3	(GPIO_PORTD | GPIO_AIN | GPIO_OUT | 3)
+#define PD9_AIN_FEC_MDC		(GPIO_PORTD | GPIO_AIN | GPIO_OUT | 9)
+#define PD16_AIN_FEC_TX_ER	(GPIO_PORTD | GPIO_AIN | GPIO_OUT | 16)
+#define PD27_AIN_EXT_DMA_GRANT	(GPIO_PORTD | GPIO_AIN | GPIO_OUT | 27)
+#define PF23_AIN_FEC_TX_EN	(GPIO_PORTF | GPIO_AIN | GPIO_OUT | 23)
 
 /* BIN GPIO pin functions */
 
-#define PC14_BIN_SSI2_MCLK      (GPIO_PORTC | GPIO_BIN | GPIO_OUT | 14)
+#define PC14_BIN_SSI2_MCLK	(GPIO_PORTC | GPIO_BIN | GPIO_OUT | 14)
 
 /* CIN GPIO pin functions */
 
-#define PD2_CIN_SLCDC1_DAT0     (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 2)
-#define PD3_CIN_SLCDC1_DAT1     (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 3)
-#define PD4_CIN_SLCDC1_DAT2     (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 4)
-#define PD5_CIN_SLCDC1_DAT3     (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 5)
-#define PD6_CIN_SLCDC1_DAT4     (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 6)
-#define PD7_CIN_SLCDC1_DAT5     (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 7)
-#define PD8_CIN_SLCDC1_DAT6     (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 8)
-#define PD9_CIN_SLCDC1_DAT7     (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 9)
-#define PD10_CIN_SLCDC1_DAT8    (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 10)
-#define PD11_CIN_SLCDC1_DAT9    (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 11)
-#define PD12_CIN_SLCDC1_DAT10   (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 12)
-#define PD13_CIN_SLCDC1_DAT11   (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 13)
-#define PD14_CIN_SLCDC1_DAT12   (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 14)
-#define PD15_CIN_SLCDC1_DAT13   (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 15)
-#define PD16_CIN_SLCDC1_DAT14   (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 16)
-#define PD23_CIN_SLCDC1_DAT15   (GPIO_PORTD | GPIO_CIN | GPIO_OUT | 23)
-#define PF27_CIN_EXT_DMA_GRANT  (GPIO_PORTF | GPIO_CIN | GPIO_OUT | 27)
+#define PD2_CIN_SLCDC1_DAT0	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 2)
+#define PD3_CIN_SLCDC1_DAT1	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 3)
+#define PD4_CIN_SLCDC1_DAT2	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 4)
+#define PD5_CIN_SLCDC1_DAT3	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 5)
+#define PD6_CIN_SLCDC1_DAT4	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 6)
+#define PD7_CIN_SLCDC1_DAT5	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 7)
+#define PD8_CIN_SLCDC1_DAT6	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 8)
+#define PD9_CIN_SLCDC1_DAT7	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 9)
+#define PD10_CIN_SLCDC1_DAT8	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 10)
+#define PD11_CIN_SLCDC1_DAT9	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 11)
+#define PD12_CIN_SLCDC1_DAT10	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 12)
+#define PD13_CIN_SLCDC1_DAT11	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 13)
+#define PD14_CIN_SLCDC1_DAT12	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 14)
+#define PD15_CIN_SLCDC1_DAT13	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 15)
+#define PD16_CIN_SLCDC1_DAT14	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 16)
+#define PD23_CIN_SLCDC1_DAT15	(GPIO_PORTD | GPIO_CIN | GPIO_OUT | 23)
+#define PF27_CIN_EXT_DMA_GRANT	(GPIO_PORTF | GPIO_CIN | GPIO_OUT | 27)
 /* LCDC_TESTx on PBxx omitted, because it's not clear what they do */
 
 /* AOUT GPIO pin functions */
 
-#define PC14_AOUT_GPT6_TIN      (GPIO_PORTC | GPIO_AOUT | GPIO_IN | 14)
-#define PD4_AOUT_FEC_RX_ER      (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 4)
-#define PD5_AOUT_FEC_RXD1       (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 5)
-#define PD6_AOUT_FEC_RXD2       (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 6)
-#define PD7_AOUT_FEC_RXD3       (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 7)
-#define PD10_AOUT_FEC_CRS       (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 10)
-#define PD11_AOUT_FEC_TX_CLK    (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 11)
-#define PD12_AOUT_FEC_RXD0      (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 12)
-#define PD13_AOUT_FEC_RX_DV     (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 13)
-#define PD14_AOUT_FEC_RX_CLK    (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 14)
-#define PD15_AOUT_FEC_COL       (GPIO_PORTD | GPIO_AOUT | GPIO_IN | 15)
-
-#define PC17_BOUT_PC_IOIS16     (GPIO_PORTC | GPIO_BOUT | GPIO_IN | 17)
-#define PC18_BOUT_PC_BVD2       (GPIO_PORTC | GPIO_BOUT | GPIO_IN | 18)
-#define PC19_BOUT_PC_BVD1       (GPIO_PORTC | GPIO_BOUT | GPIO_IN | 19)
-#define PC28_BOUT_PC_BVD2       (GPIO_PORTC | GPIO_BOUT | GPIO_IN | 28)
-#define PC29_BOUT_PC_VS1        (GPIO_PORTC | GPIO_BOUT | GPIO_IN | 29)
-#define PC30_BOUT_PC_READY      (GPIO_PORTC | GPIO_BOUT | GPIO_IN | 30)
-#define PC31_BOUT_PC_WAIT       (GPIO_PORTC | GPIO_BOUT | GPIO_IN | 31)
-
-
-#endif /* _MXC_GPIO_MX1_MX2_H */
+#define PC14_AOUT_GPT6_TIN	(GPIO_PORTC | GPIO_AOUT | GPIO_IN | 14)
+#define PD4_AOUT_FEC_RX_ER	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 4)
+#define PD5_AOUT_FEC_RXD1	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 5)
+#define PD6_AOUT_FEC_RXD2	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 6)
+#define PD7_AOUT_FEC_RXD3	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 7)
+#define PD10_AOUT_FEC_CRS	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 10)
+#define PD11_AOUT_FEC_TX_CLK	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 11)
+#define PD12_AOUT_FEC_RXD0	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 12)
+#define PD13_AOUT_FEC_RX_DV	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 13)
+#define PD14_AOUT_FEC_RX_CLK	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 14)
+#define PD15_AOUT_FEC_COL	(GPIO_PORTD | GPIO_AOUT | GPIO_IN | 15)
+
+/* BOUT GPIO pin functions */
+
+#define PC17_BOUT_PC_IOIS16	(GPIO_PORTC | GPIO_BOUT | GPIO_IN | 17)
+#define PC18_BOUT_PC_BVD2	(GPIO_PORTC | GPIO_BOUT | GPIO_IN | 18)
+#define PC19_BOUT_PC_BVD1	(GPIO_PORTC | GPIO_BOUT | GPIO_IN | 19)
+#define PC28_BOUT_PC_BVD2	(GPIO_PORTC | GPIO_BOUT | GPIO_IN | 28)
+#define PC29_BOUT_PC_VS1	(GPIO_PORTC | GPIO_BOUT | GPIO_IN | 29)
+#define PC30_BOUT_PC_READY	(GPIO_PORTC | GPIO_BOUT | GPIO_IN | 30)
+#define PC31_BOUT_PC_WAIT	(GPIO_PORTC | GPIO_BOUT | GPIO_IN | 31)
+
+#endif /* __MACH_IOMUX_MX27_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx2x.h b/arch/arm/plat-mxc/include/mach/iomux-mx2x.h
index fb5ae638e79f..c4f116d214f2 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx2x.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx2x.h
@@ -1,237 +1,230 @@
 /*
-* Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
-* Copyright (C) 2009 by Holger Schurig <hs4233@mail.mn-solutions.de>
-*
-* This program is free software; you can redistribute it and/or
-* modify it under the terms of the GNU General Public License
-* as published by the Free Software Foundation; either version 2
-* of the License, or (at your option) any later version.
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program; if not, write to the Free Software
-* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-* MA 02110-1301, USA.
-*/
-
-#ifndef _MXC_IOMUX_MX2x_H
-#define _MXC_IOMUX_MX2x_H
-
-#ifndef GPIO_PORTA
-#error Please include mach/iomux.h
-#endif
-
+ * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
+ * Copyright (C) 2009 by Holger Schurig <hs4233@mail.mn-solutions.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#ifndef __MACH_IOMUX_MX2x_H__
+#define __MACH_IOMUX_MX2x_H__
 
 /* Primary GPIO pin functions */
 
-#define PA5_PF_LSCLK            (GPIO_PORTA | GPIO_PF | GPIO_OUT | 5)
-#define PA6_PF_LD0              (GPIO_PORTA | GPIO_PF | GPIO_OUT | 6)
-#define PA7_PF_LD1              (GPIO_PORTA | GPIO_PF | GPIO_OUT | 7)
-#define PA8_PF_LD2              (GPIO_PORTA | GPIO_PF | GPIO_OUT | 8)
-#define PA9_PF_LD3              (GPIO_PORTA | GPIO_PF | GPIO_OUT | 9)
-#define PA10_PF_LD4             (GPIO_PORTA | GPIO_PF | GPIO_OUT | 10)
-#define PA11_PF_LD5             (GPIO_PORTA | GPIO_PF | GPIO_OUT | 11)
-#define PA12_PF_LD6             (GPIO_PORTA | GPIO_PF | GPIO_OUT | 12)
-#define PA13_PF_LD7             (GPIO_PORTA | GPIO_PF | GPIO_OUT | 13)
-#define PA14_PF_LD8             (GPIO_PORTA | GPIO_PF | GPIO_OUT | 14)
-#define PA15_PF_LD9             (GPIO_PORTA | GPIO_PF | GPIO_OUT | 15)
-#define PA16_PF_LD10            (GPIO_PORTA | GPIO_PF | GPIO_OUT | 16)
-#define PA17_PF_LD11            (GPIO_PORTA | GPIO_PF | GPIO_OUT | 17)
-#define PA18_PF_LD12            (GPIO_PORTA | GPIO_PF | GPIO_OUT | 18)
-#define PA19_PF_LD13            (GPIO_PORTA | GPIO_PF | GPIO_OUT | 19)
-#define PA20_PF_LD14            (GPIO_PORTA | GPIO_PF | GPIO_OUT | 20)
-#define PA21_PF_LD15            (GPIO_PORTA | GPIO_PF | GPIO_OUT | 21)
-#define PA22_PF_LD16            (GPIO_PORTA | GPIO_PF | GPIO_OUT | 22)
-#define PA23_PF_LD17            (GPIO_PORTA | GPIO_PF | GPIO_OUT | 23)
-#define PA24_PF_REV             (GPIO_PORTA | GPIO_PF | GPIO_OUT | 24)
-#define PA25_PF_CLS             (GPIO_PORTA | GPIO_PF | GPIO_OUT | 25)
-#define PA26_PF_PS              (GPIO_PORTA | GPIO_PF | GPIO_OUT | 26)
-#define PA27_PF_SPL_SPR         (GPIO_PORTA | GPIO_PF | GPIO_OUT | 27)
-#define PA28_PF_HSYNC           (GPIO_PORTA | GPIO_PF | GPIO_OUT | 28)
-#define PA29_PF_VSYNC           (GPIO_PORTA | GPIO_PF | GPIO_OUT | 29)
-#define PA30_PF_CONTRAST        (GPIO_PORTA | GPIO_PF | GPIO_OUT | 30)
-#define PA31_PF_OE_ACD          (GPIO_PORTA | GPIO_PF | GPIO_OUT | 31)
-#define PB4_PF_SD2_D0           (GPIO_PORTB | GPIO_PF | 4)
-#define PB5_PF_SD2_D1           (GPIO_PORTB | GPIO_PF | 5)
-#define PB6_PF_SD2_D2           (GPIO_PORTB | GPIO_PF | 6)
-#define PB7_PF_SD2_D3           (GPIO_PORTB | GPIO_PF | 7)
-#define PB8_PF_SD2_CMD          (GPIO_PORTB | GPIO_PF | 8)
-#define PB9_PF_SD2_CLK          (GPIO_PORTB | GPIO_PF | 9)
-#define PB10_PF_CSI_D0          (GPIO_PORTB | GPIO_PF | GPIO_OUT | 10)
-#define PB11_PF_CSI_D1          (GPIO_PORTB | GPIO_PF | GPIO_OUT | 11)
-#define PB12_PF_CSI_D2          (GPIO_PORTB | GPIO_PF | GPIO_OUT | 12)
-#define PB13_PF_CSI_D3          (GPIO_PORTB | GPIO_PF | GPIO_OUT | 13)
-#define PB14_PF_CSI_D4          (GPIO_PORTB | GPIO_PF | GPIO_OUT | 14)
-#define PB15_PF_CSI_MCLK        (GPIO_PORTB | GPIO_PF | GPIO_OUT | 15)
-#define PB16_PF_CSI_PIXCLK      (GPIO_PORTB | GPIO_PF | GPIO_OUT | 16)
-#define PB17_PF_CSI_D5          (GPIO_PORTB | GPIO_PF | GPIO_OUT | 17)
-#define PB18_PF_CSI_D6          (GPIO_PORTB | GPIO_PF | GPIO_OUT | 18)
-#define PB19_PF_CSI_D7          (GPIO_PORTB | GPIO_PF | GPIO_OUT | 19)
-#define PB20_PF_CSI_VSYNC       (GPIO_PORTB | GPIO_PF | GPIO_OUT | 20)
-#define PB21_PF_CSI_HSYNC       (GPIO_PORTB | GPIO_PF | GPIO_OUT | 21)
-#define PB23_PF_USB_PWR         (GPIO_PORTB | GPIO_PF | 23)
-#define PB24_PF_USB_OC          (GPIO_PORTB | GPIO_PF | 24)
-#define PB26_PF_USBH1_FS        (GPIO_PORTB | GPIO_PF | 26)
-#define PB27_PF_USBH1_OE        (GPIO_PORTB | GPIO_PF | 27)
-#define PB28_PF_USBH1_TXDM      (GPIO_PORTB | GPIO_PF | 28)
-#define PB29_PF_USBH1_TXDP      (GPIO_PORTB | GPIO_PF | 29)
-#define PB30_PF_USBH1_RXDM      (GPIO_PORTB | GPIO_PF | 30)
-#define PB31_PF_USBH1_RXDP      (GPIO_PORTB | GPIO_PF | 31)
-#define PC14_PF_TOUT            (GPIO_PORTC | GPIO_PF | 14)
-#define PC15_PF_TIN             (GPIO_PORTC | GPIO_PF | 15)
-#define PC20_PF_SSI1_FS         (GPIO_PORTC | GPIO_PF | GPIO_IN | 20)
-#define PC21_PF_SSI1_RXD        (GPIO_PORTC | GPIO_PF | GPIO_IN | 21)
-#define PC22_PF_SSI1_TXD        (GPIO_PORTC | GPIO_PF | GPIO_IN | 22)
-#define PC23_PF_SSI1_CLK        (GPIO_PORTC | GPIO_PF | GPIO_IN | 23)
-#define PC24_PF_SSI2_FS         (GPIO_PORTC | GPIO_PF | GPIO_IN | 24)
-#define PC25_PF_SSI2_RXD        (GPIO_PORTC | GPIO_PF | GPIO_IN | 25)
-#define PC26_PF_SSI2_TXD        (GPIO_PORTC | GPIO_PF | GPIO_IN | 26)
-#define PC27_PF_SSI2_CLK        (GPIO_PORTC | GPIO_PF | GPIO_IN | 27)
-#define PC28_PF_SSI3_FS         (GPIO_PORTC | GPIO_PF | GPIO_IN | 28)
-#define PC29_PF_SSI3_RXD        (GPIO_PORTC | GPIO_PF | GPIO_IN | 29)
-#define PC30_PF_SSI3_TXD        (GPIO_PORTC | GPIO_PF | GPIO_IN | 30)
-#define PC31_PF_SSI3_CLK        (GPIO_PORTC | GPIO_PF | GPIO_IN | 31)
-#define PD17_PF_I2C_DATA        (GPIO_PORTD | GPIO_PF | GPIO_OUT | 17)
-#define PD18_PF_I2C_CLK         (GPIO_PORTD | GPIO_PF | GPIO_OUT | 18)
-#define PD19_PF_CSPI2_SS2       (GPIO_PORTD | GPIO_PF | 19)
-#define PD20_PF_CSPI2_SS1       (GPIO_PORTD | GPIO_PF | 20)
-#define PD21_PF_CSPI2_SS0       (GPIO_PORTD | GPIO_PF | 21)
-#define PD22_PF_CSPI2_SCLK      (GPIO_PORTD | GPIO_PF | 22)
-#define PD23_PF_CSPI2_MISO      (GPIO_PORTD | GPIO_PF | 23)
-#define PD24_PF_CSPI2_MOSI      (GPIO_PORTD | GPIO_PF | 24)
-#define PD25_PF_CSPI1_RDY       (GPIO_PORTD | GPIO_PF | GPIO_OUT | 25)
-#define PD26_PF_CSPI1_SS2       (GPIO_PORTD | GPIO_PF | GPIO_OUT | 26)
-#define PD27_PF_CSPI1_SS1       (GPIO_PORTD | GPIO_PF | GPIO_OUT | 27)
-#define PD28_PF_CSPI1_SS0       (GPIO_PORTD | GPIO_PF | GPIO_OUT | 28)
-#define PD29_PF_CSPI1_SCLK      (GPIO_PORTD | GPIO_PF | GPIO_OUT | 29)
-#define PD30_PF_CSPI1_MISO      (GPIO_PORTD | GPIO_PF | GPIO_IN | 30)
-#define PD31_PF_CSPI1_MOSI      (GPIO_PORTD | GPIO_PF | GPIO_OUT | 31)
-#define PE3_PF_UART2_CTS        (GPIO_PORTE | GPIO_PF | GPIO_OUT | 3)
-#define PE4_PF_UART2_RTS        (GPIO_PORTE | GPIO_PF | GPIO_IN | 4)
-#define PE5_PF_PWMO             (GPIO_PORTE | GPIO_PF | 5)
-#define PE6_PF_UART2_TXD        (GPIO_PORTE | GPIO_PF | GPIO_OUT | 6)
-#define PE7_PF_UART2_RXD        (GPIO_PORTE | GPIO_PF | GPIO_IN | 7)
-#define PE8_PF_UART3_TXD        (GPIO_PORTE | GPIO_PF | GPIO_OUT | 8)
-#define PE9_PF_UART3_RXD        (GPIO_PORTE | GPIO_PF | GPIO_IN | 9)
-#define PE10_PF_UART3_CTS       (GPIO_PORTE | GPIO_PF | GPIO_OUT | 10)
-#define PE11_PF_UART3_RTS       (GPIO_PORTE | GPIO_PF | GPIO_IN | 11)
-#define PE12_PF_UART1_TXD       (GPIO_PORTE | GPIO_PF | GPIO_OUT | 12)
-#define PE13_PF_UART1_RXD       (GPIO_PORTE | GPIO_PF | GPIO_IN | 13)
-#define PE14_PF_UART1_CTS       (GPIO_PORTE | GPIO_PF | GPIO_OUT | 14)
-#define PE15_PF_UART1_RTS       (GPIO_PORTE | GPIO_PF | GPIO_IN | 15)
-#define PE16_PF_RTCK            (GPIO_PORTE | GPIO_PF | GPIO_OUT | 16)
-#define PE17_PF_RESET_OUT       (GPIO_PORTE | GPIO_PF | 17)
-#define PE18_PF_SD1_D0          (GPIO_PORTE | GPIO_PF | 18)
-#define PE19_PF_SD1_D1          (GPIO_PORTE | GPIO_PF | 19)
-#define PE20_PF_SD1_D2          (GPIO_PORTE | GPIO_PF | 20)
-#define PE21_PF_SD1_D3          (GPIO_PORTE | GPIO_PF | 21)
-#define PE22_PF_SD1_CMD         (GPIO_PORTE | GPIO_PF | 22)
-#define PE23_PF_SD1_CLK         (GPIO_PORTE | GPIO_PF | 23)
-#define PF0_PF_NRFB             (GPIO_PORTF | GPIO_PF | 0)
-#define PF2_PF_NFWP             (GPIO_PORTF | GPIO_PF | 2)
-#define PF4_PF_NFALE            (GPIO_PORTF | GPIO_PF | 4)
-#define PF5_PF_NFRE             (GPIO_PORTF | GPIO_PF | 5)
-#define PF6_PF_NFWE             (GPIO_PORTF | GPIO_PF | 6)
-#define PF15_PF_CLKO            (GPIO_PORTF | GPIO_PF | 15)
-#define PF21_PF_CS4             (GPIO_PORTF | GPIO_PF | 21)
-#define PF22_PF_CS5             (GPIO_PORTF | GPIO_PF | 22)
+#define PA5_PF_LSCLK		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 5)
+#define PA6_PF_LD0		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 6)
+#define PA7_PF_LD1		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 7)
+#define PA8_PF_LD2		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 8)
+#define PA9_PF_LD3		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 9)
+#define PA10_PF_LD4		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 10)
+#define PA11_PF_LD5		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 11)
+#define PA12_PF_LD6		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 12)
+#define PA13_PF_LD7		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 13)
+#define PA14_PF_LD8		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 14)
+#define PA15_PF_LD9		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 15)
+#define PA16_PF_LD10		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 16)
+#define PA17_PF_LD11		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 17)
+#define PA18_PF_LD12		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 18)
+#define PA19_PF_LD13		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 19)
+#define PA20_PF_LD14		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 20)
+#define PA21_PF_LD15		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 21)
+#define PA22_PF_LD16		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 22)
+#define PA23_PF_LD17		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 23)
+#define PA24_PF_REV		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 24)
+#define PA25_PF_CLS		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 25)
+#define PA26_PF_PS		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 26)
+#define PA27_PF_SPL_SPR		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 27)
+#define PA28_PF_HSYNC		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 28)
+#define PA29_PF_VSYNC		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 29)
+#define PA30_PF_CONTRAST	(GPIO_PORTA | GPIO_PF | GPIO_OUT | 30)
+#define PA31_PF_OE_ACD		(GPIO_PORTA | GPIO_PF | GPIO_OUT | 31)
+#define PB4_PF_SD2_D0		(GPIO_PORTB | GPIO_PF | 4)
+#define PB5_PF_SD2_D1		(GPIO_PORTB | GPIO_PF | 5)
+#define PB6_PF_SD2_D2		(GPIO_PORTB | GPIO_PF | 6)
+#define PB7_PF_SD2_D3		(GPIO_PORTB | GPIO_PF | 7)
+#define PB8_PF_SD2_CMD		(GPIO_PORTB | GPIO_PF | 8)
+#define PB9_PF_SD2_CLK		(GPIO_PORTB | GPIO_PF | 9)
+#define PB10_PF_CSI_D0		(GPIO_PORTB | GPIO_PF | GPIO_OUT | 10)
+#define PB11_PF_CSI_D1		(GPIO_PORTB | GPIO_PF | GPIO_OUT | 11)
+#define PB12_PF_CSI_D2		(GPIO_PORTB | GPIO_PF | GPIO_OUT | 12)
+#define PB13_PF_CSI_D3		(GPIO_PORTB | GPIO_PF | GPIO_OUT | 13)
+#define PB14_PF_CSI_D4		(GPIO_PORTB | GPIO_PF | GPIO_OUT | 14)
+#define PB15_PF_CSI_MCLK	(GPIO_PORTB | GPIO_PF | GPIO_OUT | 15)
+#define PB16_PF_CSI_PIXCLK	(GPIO_PORTB | GPIO_PF | GPIO_OUT | 16)
+#define PB17_PF_CSI_D5		(GPIO_PORTB | GPIO_PF | GPIO_OUT | 17)
+#define PB18_PF_CSI_D6		(GPIO_PORTB | GPIO_PF | GPIO_OUT | 18)
+#define PB19_PF_CSI_D7		(GPIO_PORTB | GPIO_PF | GPIO_OUT | 19)
+#define PB20_PF_CSI_VSYNC	(GPIO_PORTB | GPIO_PF | GPIO_OUT | 20)
+#define PB21_PF_CSI_HSYNC	(GPIO_PORTB | GPIO_PF | GPIO_OUT | 21)
+#define PB23_PF_USB_PWR		(GPIO_PORTB | GPIO_PF | 23)
+#define PB24_PF_USB_OC		(GPIO_PORTB | GPIO_PF | 24)
+#define PB26_PF_USBH1_FS	(GPIO_PORTB | GPIO_PF | 26)
+#define PB27_PF_USBH1_OE	(GPIO_PORTB | GPIO_PF | 27)
+#define PB28_PF_USBH1_TXDM	(GPIO_PORTB | GPIO_PF | 28)
+#define PB29_PF_USBH1_TXDP	(GPIO_PORTB | GPIO_PF | 29)
+#define PB30_PF_USBH1_RXDM	(GPIO_PORTB | GPIO_PF | 30)
+#define PB31_PF_USBH1_RXDP	(GPIO_PORTB | GPIO_PF | 31)
+#define PC14_PF_TOUT		(GPIO_PORTC | GPIO_PF | 14)
+#define PC15_PF_TIN		(GPIO_PORTC | GPIO_PF | 15)
+#define PC20_PF_SSI1_FS		(GPIO_PORTC | GPIO_PF | GPIO_IN | 20)
+#define PC21_PF_SSI1_RXD	(GPIO_PORTC | GPIO_PF | GPIO_IN | 21)
+#define PC22_PF_SSI1_TXD	(GPIO_PORTC | GPIO_PF | GPIO_IN | 22)
+#define PC23_PF_SSI1_CLK	(GPIO_PORTC | GPIO_PF | GPIO_IN | 23)
+#define PC24_PF_SSI2_FS		(GPIO_PORTC | GPIO_PF | GPIO_IN | 24)
+#define PC25_PF_SSI2_RXD	(GPIO_PORTC | GPIO_PF | GPIO_IN | 25)
+#define PC26_PF_SSI2_TXD	(GPIO_PORTC | GPIO_PF | GPIO_IN | 26)
+#define PC27_PF_SSI2_CLK	(GPIO_PORTC | GPIO_PF | GPIO_IN | 27)
+#define PC28_PF_SSI3_FS		(GPIO_PORTC | GPIO_PF | GPIO_IN | 28)
+#define PC29_PF_SSI3_RXD	(GPIO_PORTC | GPIO_PF | GPIO_IN | 29)
+#define PC30_PF_SSI3_TXD	(GPIO_PORTC | GPIO_PF | GPIO_IN | 30)
+#define PC31_PF_SSI3_CLK	(GPIO_PORTC | GPIO_PF | GPIO_IN | 31)
+#define PD17_PF_I2C_DATA	(GPIO_PORTD | GPIO_PF | GPIO_OUT | 17)
+#define PD18_PF_I2C_CLK		(GPIO_PORTD | GPIO_PF | GPIO_OUT | 18)
+#define PD19_PF_CSPI2_SS2	(GPIO_PORTD | GPIO_PF | 19)
+#define PD20_PF_CSPI2_SS1	(GPIO_PORTD | GPIO_PF | 20)
+#define PD21_PF_CSPI2_SS0	(GPIO_PORTD | GPIO_PF | 21)
+#define PD22_PF_CSPI2_SCLK	(GPIO_PORTD | GPIO_PF | 22)
+#define PD23_PF_CSPI2_MISO	(GPIO_PORTD | GPIO_PF | 23)
+#define PD24_PF_CSPI2_MOSI	(GPIO_PORTD | GPIO_PF | 24)
+#define PD25_PF_CSPI1_RDY	(GPIO_PORTD | GPIO_PF | GPIO_OUT | 25)
+#define PD26_PF_CSPI1_SS2	(GPIO_PORTD | GPIO_PF | GPIO_OUT | 26)
+#define PD27_PF_CSPI1_SS1	(GPIO_PORTD | GPIO_PF | GPIO_OUT | 27)
+#define PD28_PF_CSPI1_SS0	(GPIO_PORTD | GPIO_PF | GPIO_OUT | 28)
+#define PD29_PF_CSPI1_SCLK	(GPIO_PORTD | GPIO_PF | GPIO_OUT | 29)
+#define PD30_PF_CSPI1_MISO	(GPIO_PORTD | GPIO_PF | GPIO_IN | 30)
+#define PD31_PF_CSPI1_MOSI	(GPIO_PORTD | GPIO_PF | GPIO_OUT | 31)
+#define PE3_PF_UART2_CTS	(GPIO_PORTE | GPIO_PF | GPIO_OUT | 3)
+#define PE4_PF_UART2_RTS	(GPIO_PORTE | GPIO_PF | GPIO_IN | 4)
+#define PE5_PF_PWMO		(GPIO_PORTE | GPIO_PF | 5)
+#define PE6_PF_UART2_TXD	(GPIO_PORTE | GPIO_PF | GPIO_OUT | 6)
+#define PE7_PF_UART2_RXD	(GPIO_PORTE | GPIO_PF | GPIO_IN | 7)
+#define PE8_PF_UART3_TXD	(GPIO_PORTE | GPIO_PF | GPIO_OUT | 8)
+#define PE9_PF_UART3_RXD	(GPIO_PORTE | GPIO_PF | GPIO_IN | 9)
+#define PE10_PF_UART3_CTS	(GPIO_PORTE | GPIO_PF | GPIO_OUT | 10)
+#define PE11_PF_UART3_RTS	(GPIO_PORTE | GPIO_PF | GPIO_IN | 11)
+#define PE12_PF_UART1_TXD	(GPIO_PORTE | GPIO_PF | GPIO_OUT | 12)
+#define PE13_PF_UART1_RXD	(GPIO_PORTE | GPIO_PF | GPIO_IN | 13)
+#define PE14_PF_UART1_CTS	(GPIO_PORTE | GPIO_PF | GPIO_OUT | 14)
+#define PE15_PF_UART1_RTS	(GPIO_PORTE | GPIO_PF | GPIO_IN | 15)
+#define PE16_PF_RTCK		(GPIO_PORTE | GPIO_PF | GPIO_OUT | 16)
+#define PE17_PF_RESET_OUT	(GPIO_PORTE | GPIO_PF | 17)
+#define PE18_PF_SD1_D0		(GPIO_PORTE | GPIO_PF | 18)
+#define PE19_PF_SD1_D1		(GPIO_PORTE | GPIO_PF | 19)
+#define PE20_PF_SD1_D2		(GPIO_PORTE | GPIO_PF | 20)
+#define PE21_PF_SD1_D3		(GPIO_PORTE | GPIO_PF | 21)
+#define PE22_PF_SD1_CMD		(GPIO_PORTE | GPIO_PF | 22)
+#define PE23_PF_SD1_CLK		(GPIO_PORTE | GPIO_PF | 23)
+#define PF0_PF_NRFB		(GPIO_PORTF | GPIO_PF | 0)
+#define PF2_PF_NFWP		(GPIO_PORTF | GPIO_PF | 2)
+#define PF4_PF_NFALE		(GPIO_PORTF | GPIO_PF | 4)
+#define PF5_PF_NFRE		(GPIO_PORTF | GPIO_PF | 5)
+#define PF6_PF_NFWE		(GPIO_PORTF | GPIO_PF | 6)
+#define PF15_PF_CLKO		(GPIO_PORTF | GPIO_PF | 15)
+#define PF21_PF_CS4		(GPIO_PORTF | GPIO_PF | 21)
+#define PF22_PF_CS5		(GPIO_PORTF | GPIO_PF | 22)
 
 /* Alternate GPIO pin functions */
 
-#define PB26_AF_UART4_RTS       (GPIO_PORTB | GPIO_AF | GPIO_IN | 26)
-#define PB28_AF_UART4_TXD       (GPIO_PORTB | GPIO_AF | GPIO_OUT | 28)
-#define PB29_AF_UART4_CTS       (GPIO_PORTB | GPIO_AF | GPIO_OUT | 29)
-#define PB31_AF_UART4_RXD       (GPIO_PORTB | GPIO_AF | GPIO_IN | 31)
-#define PC28_AF_SLCDC2_D0       (GPIO_PORTC | GPIO_AF | 28)
-#define PC29_AF_SLCDC2_RS       (GPIO_PORTC | GPIO_AF | 29)
-#define PC30_AF_SLCDC2_CS       (GPIO_PORTC | GPIO_AF | 30)
-#define PC31_AF_SLCDC2_CLK      (GPIO_PORTC | GPIO_AF | 31)
-#define PD19_AF_USBH2_DATA4     (GPIO_PORTD | GPIO_AF | 19)
-#define PD20_AF_USBH2_DATA3     (GPIO_PORTD | GPIO_AF | 20)
-#define PD21_AF_USBH2_DATA6     (GPIO_PORTD | GPIO_AF | 21)
-#define PD22_AF_USBH2_DATA0     (GPIO_PORTD | GPIO_AF | 22)
-#define PD23_AF_USBH2_DATA2     (GPIO_PORTD | GPIO_AF | 23)
-#define PD24_AF_USBH2_DATA1     (GPIO_PORTD | GPIO_AF | 24)
-#define PD26_AF_USBH2_DATA5     (GPIO_PORTD | GPIO_AF | 26)
-#define PE0_AF_KP_COL6          (GPIO_PORTE | GPIO_AF | 0)
-#define PE1_AF_KP_ROW6          (GPIO_PORTE | GPIO_AF | 1)
-#define PE2_AF_KP_ROW7          (GPIO_PORTE | GPIO_AF | 2)
-#define PE3_AF_KP_COL7          (GPIO_PORTE | GPIO_AF | 3)
-#define PE4_AF_KP_ROW7          (GPIO_PORTE | GPIO_AF | 4)
-#define PE6_AF_KP_COL6          (GPIO_PORTE | GPIO_AF | 6)
-#define PE7_AF_KP_ROW6          (GPIO_PORTE | GPIO_AF | 7)
-#define PE16_AF_OWIRE           (GPIO_PORTE | GPIO_AF | 16)
-#define PE18_AF_CSPI3_MISO      (GPIO_PORTE | GPIO_AF | GPIO_IN | 18)
-#define PE21_AF_CSPI3_SS        (GPIO_PORTE | GPIO_AF | GPIO_OUT | 21)
-#define PE22_AF_CSPI3_MOSI      (GPIO_PORTE | GPIO_AF | GPIO_OUT | 22)
-#define PE23_AF_CSPI3_SCLK      (GPIO_PORTE | GPIO_AF | GPIO_OUT | 23)
+#define PB26_AF_UART4_RTS	(GPIO_PORTB | GPIO_AF | GPIO_IN | 26)
+#define PB28_AF_UART4_TXD	(GPIO_PORTB | GPIO_AF | GPIO_OUT | 28)
+#define PB29_AF_UART4_CTS	(GPIO_PORTB | GPIO_AF | GPIO_OUT | 29)
+#define PB31_AF_UART4_RXD	(GPIO_PORTB | GPIO_AF | GPIO_IN | 31)
+#define PC28_AF_SLCDC2_D0	(GPIO_PORTC | GPIO_AF | 28)
+#define PC29_AF_SLCDC2_RS	(GPIO_PORTC | GPIO_AF | 29)
+#define PC30_AF_SLCDC2_CS	(GPIO_PORTC | GPIO_AF | 30)
+#define PC31_AF_SLCDC2_CLK	(GPIO_PORTC | GPIO_AF | 31)
+#define PD19_AF_USBH2_DATA4	(GPIO_PORTD | GPIO_AF | 19)
+#define PD20_AF_USBH2_DATA3	(GPIO_PORTD | GPIO_AF | 20)
+#define PD21_AF_USBH2_DATA6	(GPIO_PORTD | GPIO_AF | 21)
+#define PD22_AF_USBH2_DATA0	(GPIO_PORTD | GPIO_AF | 22)
+#define PD23_AF_USBH2_DATA2	(GPIO_PORTD | GPIO_AF | 23)
+#define PD24_AF_USBH2_DATA1	(GPIO_PORTD | GPIO_AF | 24)
+#define PD26_AF_USBH2_DATA5	(GPIO_PORTD | GPIO_AF | 26)
+#define PE0_AF_KP_COL6		(GPIO_PORTE | GPIO_AF | 0)
+#define PE1_AF_KP_ROW6		(GPIO_PORTE | GPIO_AF | 1)
+#define PE2_AF_KP_ROW7		(GPIO_PORTE | GPIO_AF | 2)
+#define PE3_AF_KP_COL7		(GPIO_PORTE | GPIO_AF | 3)
+#define PE4_AF_KP_ROW7		(GPIO_PORTE | GPIO_AF | 4)
+#define PE6_AF_KP_COL6		(GPIO_PORTE | GPIO_AF | 6)
+#define PE7_AF_KP_ROW6		(GPIO_PORTE | GPIO_AF | 7)
+#define PE16_AF_OWIRE		(GPIO_PORTE | GPIO_AF | 16)
+#define PE18_AF_CSPI3_MISO	(GPIO_PORTE | GPIO_AF | GPIO_IN | 18)
+#define PE21_AF_CSPI3_SS	(GPIO_PORTE | GPIO_AF | GPIO_OUT | 21)
+#define PE22_AF_CSPI3_MOSI	(GPIO_PORTE | GPIO_AF | GPIO_OUT | 22)
+#define PE23_AF_CSPI3_SCLK	(GPIO_PORTE | GPIO_AF | GPIO_OUT | 23)
 
 /* AIN GPIO pin functions */
 
-#define PA6_AIN_SLCDC1_DAT0     (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 6)
-#define PA7_AIN_SLCDC1_DAT1     (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 7)
-#define PA8_AIN_SLCDC1_DAT2     (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 8)
-#define PA0_AIN_SLCDC1_DAT3     (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 0)
-#define PA11_AIN_SLCDC1_DAT5    (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 11)
-#define PA13_AIN_SLCDC1_DAT7    (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 13)
-#define PA15_AIN_SLCDC1_DAT9    (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 15)
-#define PA17_AIN_SLCDC1_DAT11   (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 17)
-#define PA19_AIN_SLCDC1_DAT13   (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 19)
-#define PA21_AIN_SLCDC1_DAT15   (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 21)
-#define PA22_AIN_EXT_DMAGRANT   (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 22)
-#define PA24_AIN_SLCDC1_D0      (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 24)
-#define PA25_AIN_SLCDC1_RS      (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 25)
-#define PA26_AIN_SLCDC1_CS      (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 26)
-#define PA27_AIN_SLCDC1_CLK     (GPIO_PORTA | GPIO_AIN | GPIO_OUT | 27)
-#define PB6_AIN_SLCDC1_D0       (GPIO_PORTB | GPIO_AIN | GPIO_OUT | 6)
-#define PB7_AIN_SLCDC1_RS       (GPIO_PORTB | GPIO_AIN | GPIO_OUT | 7)
-#define PB8_AIN_SLCDC1_CS       (GPIO_PORTB | GPIO_AIN | GPIO_OUT | 8)
-#define PB9_AIN_SLCDC1_CLK      (GPIO_PORTB | GPIO_AIN | GPIO_OUT | 9)
-#define PB25_AIN_SLCDC1_DAT0    (GPIO_PORTB | GPIO_AIN | GPIO_OUT | 25)
-#define PB26_AIN_SLCDC1_DAT1    (GPIO_PORTB | GPIO_AIN | GPIO_OUT | 26)
-#define PB27_AIN_SLCDC1_DAT2    (GPIO_PORTB | GPIO_AIN | GPIO_OUT | 27)
-#define PB28_AIN_SLCDC1_DAT3    (GPIO_PORTB | GPIO_AIN | GPIO_OUT | 28)
-#define PB29_AIN_SLCDC1_DAT4    (GPIO_PORTB | GPIO_AIN | GPIO_OUT | 29)
-#define PB30_AIN_SLCDC1_DAT5    (GPIO_PORTB | GPIO_AIN | GPIO_OUT | 30)
-#define PB31_AIN_SLCDC1_DAT6    (GPIO_PORTB | GPIO_AIN | GPIO_OUT | 31)
-#define PC5_AIN_SLCDC1_DAT7     (GPIO_PORTC | GPIO_AIN | GPIO_OUT | 5)
-#define PC6_AIN_SLCDC1_DAT8     (GPIO_PORTC | GPIO_AIN | GPIO_OUT | 6)
-#define PC7_AIN_SLCDC1_DAT9     (GPIO_PORTC | GPIO_AIN | GPIO_OUT | 7)
-#define PC8_AIN_SLCDC1_DAT10    (GPIO_PORTC | GPIO_AIN | GPIO_OUT | 8)
-#define PC9_AIN_SLCDC1_DAT11    (GPIO_PORTC | GPIO_AIN | GPIO_OUT | 9)
-#define PC10_AIN_SLCDC1_DAT12   (GPIO_PORTC | GPIO_AIN | GPIO_OUT | 10)
-#define PC11_AIN_SLCDC1_DAT13   (GPIO_PORTC | GPIO_AIN | GPIO_OUT | 11)
-#define PC12_AIN_SLCDC1_DAT14   (GPIO_PORTC | GPIO_AIN | GPIO_OUT | 12)
-#define PC13_AIN_SLCDC1_DAT15   (GPIO_PORTC | GPIO_AIN | GPIO_OUT | 13)
-#define PE5_AIN_PC_SPKOUT       (GPIO_PORTE | GPIO_AIN | GPIO_OUT | 5)
+#define PA6_AIN_SLCDC1_DAT0	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 6)
+#define PA7_AIN_SLCDC1_DAT1	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 7)
+#define PA8_AIN_SLCDC1_DAT2	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 8)
+#define PA0_AIN_SLCDC1_DAT3	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 0)
+#define PA11_AIN_SLCDC1_DAT5	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 11)
+#define PA13_AIN_SLCDC1_DAT7	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 13)
+#define PA15_AIN_SLCDC1_DAT9	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 15)
+#define PA17_AIN_SLCDC1_DAT11	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 17)
+#define PA19_AIN_SLCDC1_DAT13	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 19)
+#define PA21_AIN_SLCDC1_DAT15	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 21)
+#define PA22_AIN_EXT_DMAGRANT	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 22)
+#define PA24_AIN_SLCDC1_D0	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 24)
+#define PA25_AIN_SLCDC1_RS	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 25)
+#define PA26_AIN_SLCDC1_CS	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 26)
+#define PA27_AIN_SLCDC1_CLK	(GPIO_PORTA | GPIO_AIN | GPIO_OUT | 27)
+#define PB6_AIN_SLCDC1_D0	(GPIO_PORTB | GPIO_AIN | GPIO_OUT | 6)
+#define PB7_AIN_SLCDC1_RS	(GPIO_PORTB | GPIO_AIN | GPIO_OUT | 7)
+#define PB8_AIN_SLCDC1_CS	(GPIO_PORTB | GPIO_AIN | GPIO_OUT | 8)
+#define PB9_AIN_SLCDC1_CLK	(GPIO_PORTB | GPIO_AIN | GPIO_OUT | 9)
+#define PB25_AIN_SLCDC1_DAT0	(GPIO_PORTB | GPIO_AIN | GPIO_OUT | 25)
+#define PB26_AIN_SLCDC1_DAT1	(GPIO_PORTB | GPIO_AIN | GPIO_OUT | 26)
+#define PB27_AIN_SLCDC1_DAT2	(GPIO_PORTB | GPIO_AIN | GPIO_OUT | 27)
+#define PB28_AIN_SLCDC1_DAT3	(GPIO_PORTB | GPIO_AIN | GPIO_OUT | 28)
+#define PB29_AIN_SLCDC1_DAT4	(GPIO_PORTB | GPIO_AIN | GPIO_OUT | 29)
+#define PB30_AIN_SLCDC1_DAT5	(GPIO_PORTB | GPIO_AIN | GPIO_OUT | 30)
+#define PB31_AIN_SLCDC1_DAT6	(GPIO_PORTB | GPIO_AIN | GPIO_OUT | 31)
+#define PC5_AIN_SLCDC1_DAT7	(GPIO_PORTC | GPIO_AIN | GPIO_OUT | 5)
+#define PC6_AIN_SLCDC1_DAT8	(GPIO_PORTC | GPIO_AIN | GPIO_OUT | 6)
+#define PC7_AIN_SLCDC1_DAT9	(GPIO_PORTC | GPIO_AIN | GPIO_OUT | 7)
+#define PC8_AIN_SLCDC1_DAT10	(GPIO_PORTC | GPIO_AIN | GPIO_OUT | 8)
+#define PC9_AIN_SLCDC1_DAT11	(GPIO_PORTC | GPIO_AIN | GPIO_OUT | 9)
+#define PC10_AIN_SLCDC1_DAT12	(GPIO_PORTC | GPIO_AIN | GPIO_OUT | 10)
+#define PC11_AIN_SLCDC1_DAT13	(GPIO_PORTC | GPIO_AIN | GPIO_OUT | 11)
+#define PC12_AIN_SLCDC1_DAT14	(GPIO_PORTC | GPIO_AIN | GPIO_OUT | 12)
+#define PC13_AIN_SLCDC1_DAT15	(GPIO_PORTC | GPIO_AIN | GPIO_OUT | 13)
+#define PE5_AIN_PC_SPKOUT	(GPIO_PORTE | GPIO_AIN | GPIO_OUT | 5)
 
 /* BIN GPIO pin functions */
 
-#define PE5_BIN_TOUT2           (GPIO_PORTE | GPIO_BIN | GPIO_OUT | 5)
+#define PE5_BIN_TOUT2		(GPIO_PORTE | GPIO_BIN | GPIO_OUT | 5)
 
 /* CIN GPIO pin functions */
 
-#define PA14_CIN_SLCDC1_DAT0    (GPIO_PORTA | GPIO_CIN | GPIO_OUT | 14)
-#define PA15_CIN_SLCDC1_DAT1    (GPIO_PORTA | GPIO_CIN | GPIO_OUT | 15)
-#define PA16_CIN_SLCDC1_DAT2    (GPIO_PORTA | GPIO_CIN | GPIO_OUT | 16)
-#define PA17_CIN_SLCDC1_DAT3    (GPIO_PORTA | GPIO_CIN | GPIO_OUT | 17)
-#define PA18_CIN_SLCDC1_DAT4    (GPIO_PORTA | GPIO_CIN | GPIO_OUT | 18)
-#define PA19_CIN_SLCDC1_DAT5    (GPIO_PORTA | GPIO_CIN | GPIO_OUT | 19)
-#define PA20_CIN_SLCDC1_DAT6    (GPIO_PORTA | GPIO_CIN | GPIO_OUT | 20)
-#define PA21_CIN_SLCDC1_DAT7    (GPIO_PORTA | GPIO_CIN | GPIO_OUT | 21)
-#define PB30_CIN_UART4_CTS      (GPIO_PORTB | GPIO_CIN | GPIO_OUT | 30)
-#define PE5_CIN_TOUT3           (GPIO_PORTE | GPIO_CIN | GPIO_OUT | 5)
+#define PA14_CIN_SLCDC1_DAT0	(GPIO_PORTA | GPIO_CIN | GPIO_OUT | 14)
+#define PA15_CIN_SLCDC1_DAT1	(GPIO_PORTA | GPIO_CIN | GPIO_OUT | 15)
+#define PA16_CIN_SLCDC1_DAT2	(GPIO_PORTA | GPIO_CIN | GPIO_OUT | 16)
+#define PA17_CIN_SLCDC1_DAT3	(GPIO_PORTA | GPIO_CIN | GPIO_OUT | 17)
+#define PA18_CIN_SLCDC1_DAT4	(GPIO_PORTA | GPIO_CIN | GPIO_OUT | 18)
+#define PA19_CIN_SLCDC1_DAT5	(GPIO_PORTA | GPIO_CIN | GPIO_OUT | 19)
+#define PA20_CIN_SLCDC1_DAT6	(GPIO_PORTA | GPIO_CIN | GPIO_OUT | 20)
+#define PA21_CIN_SLCDC1_DAT7	(GPIO_PORTA | GPIO_CIN | GPIO_OUT | 21)
+#define PB30_CIN_UART4_CTS	(GPIO_PORTB | GPIO_CIN | GPIO_OUT | 30)
+#define PE5_CIN_TOUT3		(GPIO_PORTE | GPIO_CIN | GPIO_OUT | 5)
 
 /* AOUT GPIO pin functions */
 
-#define PB29_AOUT_UART4_RXD     (GPIO_PORTB | GPIO_AOUT | GPIO_IN | 29)
-#define PB31_AOUT_UART4_RTS     (GPIO_PORTB | GPIO_AOUT | GPIO_IN | 31)
+#define PB29_AOUT_UART4_RXD	(GPIO_PORTB | GPIO_AOUT | GPIO_IN | 29)
+#define PB31_AOUT_UART4_RTS	(GPIO_PORTB | GPIO_AOUT | GPIO_IN | 31)
 #define PC8_AOUT_USBOTG_TXR_INT (GPIO_PORTC | GPIO_AOUT | GPIO_IN | 8)
-#define PC15_AOUT_WKGD          (GPIO_PORTC | GPIO_AOUT | GPIO_IN | 15)
-#define PF21_AOUT_DTACK         (GPIO_PORTF | GPIO_AOUT | GPIO_IN | 21)
-
+#define PC15_AOUT_WKGD		(GPIO_PORTC | GPIO_AOUT | GPIO_IN | 15)
+#define PF21_AOUT_DTACK		(GPIO_PORTF | GPIO_AOUT | GPIO_IN | 21)
 
-#endif
+#endif /* ifndef __MACH_IOMUX_MX2x_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx3.h b/arch/arm/plat-mxc/include/mach/iomux-mx3.h
index e1fc6da1cd10..e51465d7b224 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx3.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx3.h
@@ -16,12 +16,10 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  * MA 02110-1301, USA.
  */
-
-#ifndef __MACH_MX31_IOMUX_H__
-#define __MACH_MX31_IOMUX_H__
+#ifndef __MACH_IOMUX_MX3_H__
+#define __MACH_IOMUX_MX3_H__
 
 #include <linux/types.h>
-
 /*
  * various IOMUX output functions
  */
@@ -34,7 +32,7 @@
 #define	IOMUX_OCONFIG_ALT4 (5 << 4)	/* used as alternate function 4 */
 #define	IOMUX_OCONFIG_ALT5 (6 << 4)	/* used as alternate function 5 */
 #define	IOMUX_OCONFIG_ALT6 (7 << 4)	/* used as alternate function 6 */
-#define	IOMUX_ICONFIG_NONE  0	 	/* not configured for input */
+#define	IOMUX_ICONFIG_NONE  0		/* not configured for input */
 #define	IOMUX_ICONFIG_GPIO  1		/* used as GPIO */
 #define	IOMUX_ICONFIG_FUNC  2		/* used as function */
 #define	IOMUX_ICONFIG_ALT1  4		/* used as alternate function 1 */
@@ -167,11 +165,6 @@ int mxc_iomux_mode(unsigned int pin_mode);
 	MXC_GPIO_IRQ_START)
 
 /*
- * The number of gpio devices among the pads
- */
-#define GPIO_PORT_MAX 3
-
-/*
  * This enumeration is constructed based on the Section
  * "sw_pad_ctl & sw_mux_ctl details" of the MX31 IC Spec. Each enumerated
  * value is constructed based on the rules described above.
@@ -633,40 +626,40 @@ enum iomux_pins {
 #define MX31_PIN_TXD2__GPIO1_28		IOMUX_MODE(MX31_PIN_TXD2, IOMUX_CONFIG_GPIO)
 #define MX31_PIN_CSI_D4__GPIO3_4	IOMUX_MODE(MX31_PIN_CSI_D4, IOMUX_CONFIG_GPIO)
 #define MX31_PIN_CSI_D5__GPIO3_5	IOMUX_MODE(MX31_PIN_CSI_D5, IOMUX_CONFIG_GPIO)
-#define MX31_PIN_USBOTG_DATA0__USBOTG_DATA0    IOMUX_MODE(MX31_PIN_USBOTG_DATA0, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBOTG_DATA1__USBOTG_DATA1    IOMUX_MODE(MX31_PIN_USBOTG_DATA1, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBOTG_DATA2__USBOTG_DATA2    IOMUX_MODE(MX31_PIN_USBOTG_DATA2, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBOTG_DATA3__USBOTG_DATA3    IOMUX_MODE(MX31_PIN_USBOTG_DATA3, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBOTG_DATA4__USBOTG_DATA4    IOMUX_MODE(MX31_PIN_USBOTG_DATA4, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBOTG_DATA5__USBOTG_DATA5    IOMUX_MODE(MX31_PIN_USBOTG_DATA5, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBOTG_DATA6__USBOTG_DATA6    IOMUX_MODE(MX31_PIN_USBOTG_DATA6, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBOTG_DATA7__USBOTG_DATA7    IOMUX_MODE(MX31_PIN_USBOTG_DATA7, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBOTG_CLK__USBOTG_CLK        IOMUX_MODE(MX31_PIN_USBOTG_CLK, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBOTG_DIR__USBOTG_DIR        IOMUX_MODE(MX31_PIN_USBOTG_DIR, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBOTG_NXT__USBOTG_NXT        IOMUX_MODE(MX31_PIN_USBOTG_NXT, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBOTG_STP__USBOTG_STP        IOMUX_MODE(MX31_PIN_USBOTG_STP, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_CSPI1_MOSI__USBH1_RXDM        IOMUX_MODE(MX31_PIN_CSPI1_MOSI, IOMUX_CONFIG_ALT1)
-#define MX31_PIN_CSPI1_MISO__USBH1_RXDP        IOMUX_MODE(MX31_PIN_CSPI1_MISO, IOMUX_CONFIG_ALT1)
-#define MX31_PIN_CSPI1_SS0__USBH1_TXDM         IOMUX_MODE(MX31_PIN_CSPI1_SS0,  IOMUX_CONFIG_ALT1)
-#define MX31_PIN_CSPI1_SS1__USBH1_TXDP         IOMUX_MODE(MX31_PIN_CSPI1_SS1,  IOMUX_CONFIG_ALT1)
-#define MX31_PIN_CSPI1_SS2__USBH1_RCV          IOMUX_MODE(MX31_PIN_CSPI1_SS2,  IOMUX_CONFIG_ALT1)
-#define MX31_PIN_CSPI1_SCLK__USBH1_OEB         IOMUX_MODE(MX31_PIN_CSPI1_SCLK, IOMUX_CONFIG_ALT1)
-#define MX31_PIN_CSPI1_SPI_RDY__USBH1_FS       IOMUX_MODE(MX31_PIN_CSPI1_SPI_RDY, IOMUX_CONFIG_ALT1)
+#define MX31_PIN_USBOTG_DATA0__USBOTG_DATA0	IOMUX_MODE(MX31_PIN_USBOTG_DATA0, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBOTG_DATA1__USBOTG_DATA1	IOMUX_MODE(MX31_PIN_USBOTG_DATA1, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBOTG_DATA2__USBOTG_DATA2	IOMUX_MODE(MX31_PIN_USBOTG_DATA2, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBOTG_DATA3__USBOTG_DATA3	IOMUX_MODE(MX31_PIN_USBOTG_DATA3, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBOTG_DATA4__USBOTG_DATA4	IOMUX_MODE(MX31_PIN_USBOTG_DATA4, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBOTG_DATA5__USBOTG_DATA5	IOMUX_MODE(MX31_PIN_USBOTG_DATA5, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBOTG_DATA6__USBOTG_DATA6	IOMUX_MODE(MX31_PIN_USBOTG_DATA6, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBOTG_DATA7__USBOTG_DATA7	IOMUX_MODE(MX31_PIN_USBOTG_DATA7, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBOTG_CLK__USBOTG_CLK		IOMUX_MODE(MX31_PIN_USBOTG_CLK, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBOTG_DIR__USBOTG_DIR		IOMUX_MODE(MX31_PIN_USBOTG_DIR, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBOTG_NXT__USBOTG_NXT		IOMUX_MODE(MX31_PIN_USBOTG_NXT, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBOTG_STP__USBOTG_STP		IOMUX_MODE(MX31_PIN_USBOTG_STP, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_CSPI1_MOSI__USBH1_RXDM		IOMUX_MODE(MX31_PIN_CSPI1_MOSI, IOMUX_CONFIG_ALT1)
+#define MX31_PIN_CSPI1_MISO__USBH1_RXDP		IOMUX_MODE(MX31_PIN_CSPI1_MISO, IOMUX_CONFIG_ALT1)
+#define MX31_PIN_CSPI1_SS0__USBH1_TXDM		IOMUX_MODE(MX31_PIN_CSPI1_SS0, IOMUX_CONFIG_ALT1)
+#define MX31_PIN_CSPI1_SS1__USBH1_TXDP		IOMUX_MODE(MX31_PIN_CSPI1_SS1, IOMUX_CONFIG_ALT1)
+#define MX31_PIN_CSPI1_SS2__USBH1_RCV		IOMUX_MODE(MX31_PIN_CSPI1_SS2, IOMUX_CONFIG_ALT1)
+#define MX31_PIN_CSPI1_SCLK__USBH1_OEB		IOMUX_MODE(MX31_PIN_CSPI1_SCLK, IOMUX_CONFIG_ALT1)
+#define MX31_PIN_CSPI1_SPI_RDY__USBH1_FS	IOMUX_MODE(MX31_PIN_CSPI1_SPI_RDY, IOMUX_CONFIG_ALT1)
 #define MX31_PIN_SFS6__USBH1_SUSPEND	IOMUX_MODE(MX31_PIN_SFS6, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_NFRE_B__GPIO1_11	IOMUX_MODE(MX31_PIN_NFRE_B, IOMUX_CONFIG_GPIO)
 #define MX31_PIN_NFALE__GPIO1_12	IOMUX_MODE(MX31_PIN_NFALE, IOMUX_CONFIG_GPIO)
-#define MX31_PIN_USBH2_DATA0__USBH2_DATA0      IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBH2_DATA1__USBH2_DATA1      IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBH2_DATA0__USBH2_DATA0	IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBH2_DATA1__USBH2_DATA1	IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_STXD3__USBH2_DATA2	IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_SRXD3__USBH2_DATA3	IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_SCK3__USBH2_DATA4	IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_SFS3__USBH2_DATA5	IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_STXD6__USBH2_DATA6	IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_SRXD6__USBH2_DATA7	IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBH2_CLK__USBH2_CLK          IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBH2_DIR__USBH2_DIR          IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBH2_NXT__USBH2_NXT          IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC)
-#define MX31_PIN_USBH2_STP__USBH2_STP          IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBH2_CLK__USBH2_CLK		IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBH2_DIR__USBH2_DIR		IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBH2_NXT__USBH2_NXT		IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC)
+#define MX31_PIN_USBH2_STP__USBH2_STP		IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_SCK6__GPIO1_25		IOMUX_MODE(MX31_PIN_SCK6, IOMUX_CONFIG_GPIO)
 #define MX31_PIN_USB_OC__GPIO1_30	IOMUX_MODE(MX31_PIN_USB_OC, IOMUX_CONFIG_GPIO)
 #define MX31_PIN_I2C_DAT__I2C1_SDA	IOMUX_MODE(MX31_PIN_I2C_DAT, IOMUX_CONFIG_FUNC)
@@ -711,8 +704,8 @@ enum iomux_pins {
 #define MX31_PIN_DSR_DCE1__GPIO2_9	IOMUX_MODE(MX31_PIN_DSR_DCE1, IOMUX_CONFIG_GPIO)
 #define MX31_PIN_RI_DCE1__GPIO2_10	IOMUX_MODE(MX31_PIN_RI_DCE1, IOMUX_CONFIG_GPIO)
 #define MX31_PIN_DCD_DCE1__GPIO2_11	IOMUX_MODE(MX31_PIN_DCD_DCE1, IOMUX_CONFIG_GPIO)
-#define MX31_PIN_STXD5__GPIO1_21       IOMUX_MODE(MX31_PIN_STXD5, IOMUX_CONFIG_GPIO)
-#define MX31_PIN_SRXD5__GPIO1_22       IOMUX_MODE(MX31_PIN_SRXD5, IOMUX_CONFIG_GPIO)
+#define MX31_PIN_STXD5__GPIO1_21	IOMUX_MODE(MX31_PIN_STXD5, IOMUX_CONFIG_GPIO)
+#define MX31_PIN_SRXD5__GPIO1_22	IOMUX_MODE(MX31_PIN_SRXD5, IOMUX_CONFIG_GPIO)
 #define MX31_PIN_GPIO1_3__GPIO1_3	IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO)
 #define MX31_PIN_CSPI2_SS1__CSPI3_SS1	IOMUX_MODE(MX31_PIN_CSPI2_SS1, IOMUX_CONFIG_ALT1)
 #define MX31_PIN_RTS1__GPIO2_6		IOMUX_MODE(MX31_PIN_RTS1, IOMUX_CONFIG_GPIO)
@@ -727,13 +720,14 @@ enum iomux_pins {
 #define MX31_PIN_SCK5__SCK5		IOMUX_MODE(MX31_PIN_SCK5, IOMUX_CONFIG_FUNC)
 #define MX31_PIN_SFS5__SFS5		IOMUX_MODE(MX31_PIN_SFS5, IOMUX_CONFIG_FUNC)
 
-/*XXX: The SS0, SS1, SS2, SS3 lines of spi3 are multiplexed by cspi2_ss0, cspi2_ss1, cspi1_ss0
- * cspi1_ss1*/
+/*
+ * XXX: The SS0, SS1, SS2, SS3 lines of spi3 are multiplexed with cspi2_ss0,
+ * cspi2_ss1, cspi1_ss0 cspi1_ss1
+ */
 
 /*
  * This function configures the pad value for a IOMUX pin.
  */
 void mxc_iomux_set_pad(enum iomux_pins, u32);
 
-#endif
-
+#endif /* ifndef __MACH_IOMUX_MX3_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx35.h b/arch/arm/plat-mxc/include/mach/iomux-mx35.h
index c88d40795f7a..2a24bae1b878 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-mx35.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx35.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C, NO_PAD_CTRL) 2009 by Jan Weitzel Phytec Messtechnik GmbH <armlinux@phytec.de>
+ * Copyright (C) 2009 by Jan Weitzel Phytec Messtechnik GmbH <armlinux@phytec.de>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
diff --git a/arch/arm/plat-mxc/include/mach/iomux-mx51.h b/arch/arm/plat-mxc/include/mach/iomux-mx51.h
new file mode 100644
index 000000000000..b4f975e6a665
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/iomux-mx51.h
@@ -0,0 +1,326 @@
+/*
+ * Copyright (C) 2009-2010 Amit Kucheria <amit.kucheria@canonical.com>
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#ifndef __MACH_IOMUX_MX51_H__
+#define __MACH_IOMUX_MX51_H__
+
+#include <mach/iomux-v3.h>
+
+/*
+ * various IOMUX alternate output functions (1-7)
+ */
+typedef enum iomux_config {
+	IOMUX_CONFIG_ALT0,
+	IOMUX_CONFIG_ALT1,
+	IOMUX_CONFIG_ALT2,
+	IOMUX_CONFIG_ALT3,
+	IOMUX_CONFIG_ALT4,
+	IOMUX_CONFIG_ALT5,
+	IOMUX_CONFIG_ALT6,
+	IOMUX_CONFIG_ALT7,
+	IOMUX_CONFIG_GPIO,	/* added to help user use GPIO mode */
+	IOMUX_CONFIG_SION = 0x1 << 4,	/* LOOPBACK:MUX SION bit */
+} iomux_pin_cfg_t;
+
+/* Pad control groupings */
+#define MX51_UART1_PAD_CTRL	(PAD_CTL_HYS | PAD_CTL_PKE | PAD_CTL_PUE | \
+				PAD_CTL_DSE_HIGH)
+#define MX51_UART2_PAD_CTRL	(PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_DSE_HIGH | \
+				PAD_CTL_SRE_FAST)
+#define MX51_UART3_PAD_CTRL	(PAD_CTL_PKE | PAD_CTL_DSE_HIGH | \
+				PAD_CTL_SRE_FAST)
+
+/*
+ * The naming convention for the pad modes is MX51_PAD_<padname>__<padmode>
+ * If <padname> or <padmode> refers to a GPIO, it is named
+ * GPIO_<unit>_<num> see also iomux-v3.h
+ */
+
+/*
+ * FIXME: This was converted using scripts from existing Freescale code to
+ * this form used upstream. Need to verify the name format.
+ */
+
+/*						PAD      MUX   ALT INPSE PATH PADCTRL */
+
+#define MX51_PAD_GPIO_2_0__EIM_D16	IOMUX_PAD(0x3f0, 0x05c, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_1__EIM_D17	IOMUX_PAD(0x3f4, 0x060, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_2__EIM_D18	IOMUX_PAD(0x3f8, 0x064, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_3__EIM_D19	IOMUX_PAD(0x3fc, 0x068, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_4__EIM_D20	IOMUX_PAD(0x400, 0x06c, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_5__EIM_D21	IOMUX_PAD(0x404, 0x070, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_6__EIM_D22	IOMUX_PAD(0x408, 0x074, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_7__EIM_D23	IOMUX_PAD(0x40c, 0x078, 1, 0x0,   0, NO_PAD_CTRL)
+
+/* Babbage UART3 */
+#define MX51_PAD_EIM_D24__UART3_CTS	IOMUX_PAD(0x410, 0x07c, IOMUX_CONFIG_ALT3, 0x0, 0, MX51_UART3_PAD_CTRL)
+#define MX51_PAD_EIM_D25__UART3_RXD	IOMUX_PAD(0x414, 0x080, IOMUX_CONFIG_ALT3, 0x9f4, 0, MX51_UART3_PAD_CTRL)
+#define MX51_PAD_EIM_D26__UART3_TXD	IOMUX_PAD(0x418, 0x084, IOMUX_CONFIG_ALT3, 0x0, 0, MX51_UART3_PAD_CTRL)
+#define MX51_PAD_EIM_D27__UART3_RTS	IOMUX_PAD(0x41c, 0x088, IOMUX_CONFIG_ALT3, 0x9f0, 0, MX51_UART3_PAD_CTRL)
+
+#define MX51_PAD_EIM_D28__EIM_D28	IOMUX_PAD(0x420, 0x08c, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_D29__EIM_D29	IOMUX_PAD(0x424, 0x090, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_D30__EIM_D30	IOMUX_PAD(0x428, 0x094, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_D31__EIM_D31	IOMUX_PAD(0x42c, 0x09c, 0, 0x0,   0, NO_PAD_CTRL)
+
+#define MX51_PAD_GPIO_2_10__EIM_A16	IOMUX_PAD(0x430, 0x09c, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_11__EIM_A17	IOMUX_PAD(0x434, 0x0a0, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_12__EIM_A18	IOMUX_PAD(0x438, 0x0a4, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_13__EIM_A19	IOMUX_PAD(0x43c, 0x0a8, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_14__EIM_A20	IOMUX_PAD(0x440, 0x0ac, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_15__EIM_A21	IOMUX_PAD(0x444, 0x0b0, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_16__EIM_A22	IOMUX_PAD(0x448, 0x0b4, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_17__EIM_A23	IOMUX_PAD(0x44c, 0x0b8, 1, 0x0,   0, NO_PAD_CTRL)
+
+#define MX51_PAD_GPIO_2_18__EIM_A24	IOMUX_PAD(0x450, 0x0bc, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_19__EIM_A25	IOMUX_PAD(0x454, 0x0c0, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_20__EIM_A26	IOMUX_PAD(0x458, 0x0c4, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_21__EIM_A27	IOMUX_PAD(0x45c, 0x0c8, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_EB0__EIM_EB0	IOMUX_PAD(0x460, 0x0cc, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_EB1__EIM_EB1	IOMUX_PAD(0x464, 0x0d0, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_22__EIM_EB2	IOMUX_PAD(0x468, 0x0d4, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_23__EIM_EB3	IOMUX_PAD(0x46c, 0x0d8, 1, 0x0,   0, NO_PAD_CTRL)
+
+#define MX51_PAD_GPIO_2_24__EIM_OE	IOMUX_PAD(0x470, 0x0dc, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_25__EIM_CS0	IOMUX_PAD(0x474, 0x0e0, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_26__EIM_CS1	IOMUX_PAD(0x478, 0x0e4, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_27__EIM_CS2	IOMUX_PAD(0x47c, 0x0e8, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_28__EIM_CS3	IOMUX_PAD(0x480, 0x0ec, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_29__EIM_CS4	IOMUX_PAD(0x484, 0x0f0, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_30__EIM_CS5	IOMUX_PAD(0x488, 0x0f4, 1, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_2_31__EIM_DTACK	IOMUX_PAD(0x48c, 0x0f8, 1, 0x0,   0, NO_PAD_CTRL)
+
+#define MX51_PAD_GPIO_3_1__EIM_LBA	IOMUX_PAD(0x494, 0xFC, 1, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_2__EIM_CRE	IOMUX_PAD(0x4A0, 0x100, 1, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DRAM_CS1__DRAM_CS1	IOMUX_PAD(0x4D0, 0x104, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_3__NANDF_WE_B	IOMUX_PAD(0x4E4, 0x108, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_4__NANDF_RE_B	IOMUX_PAD(0x4E8, 0x10C, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_5__NANDF_ALE	IOMUX_PAD(0x4EC, 0x110, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_6__NANDF_CLE	IOMUX_PAD(0x4F0, 0x114, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_7__NANDF_WP_B	IOMUX_PAD(0x4F4, 0x118, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_8__NANDF_RB0	IOMUX_PAD(0x4F8, 0x11C, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_9__NANDF_RB1	IOMUX_PAD(0x4FC, 0x120, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_10__NANDF_RB2	IOMUX_PAD(0x500, 0x124, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_11__NANDF_RB3	IOMUX_PAD(0x504, 0x128, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_12__GPIO_NAND	IOMUX_PAD(0x514, 0x12C, 3, 0x0, 0, NO_PAD_CTRL)
+/* REVISIT: Not sure of these values
+
+  #define MX51_PAD_GPIO_1___NANDF_RB4	IOMUX_PAD(, , , 0x0, 0, NO_PAD_CTRL)
+  #define MX51_PAD_GPIO_3_13__NANDF_RB5	IOMUX_PAD(0x5D8, 0x130, 3, 0x0, 0, NO_PAD_CTRL)
+  #define MX51_PAD_GPIO_3_15__NANDF_RB7	IOMUX_PAD(0x5E0, 0x138, 3, 0x0, 0, NO_PAD_CTRL)
+*/
+#define MX51_PAD_GPIO_3_14__NANDF_RB6	IOMUX_PAD(0x5DC, 0x134, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_16__NANDF_CS0	IOMUX_PAD(0x518, 0x130, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_17__NANDF_CS1	IOMUX_PAD(0x51C, 0x134, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_18__NANDF_CS2	IOMUX_PAD(0x520, 0x138, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_19__NANDF_CS3	IOMUX_PAD(0x524, 0x13C, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_20__NANDF_CS4	IOMUX_PAD(0x528, 0x140, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_21__NANDF_CS5	IOMUX_PAD(0x52C, 0x144, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_22__NANDF_CS6	IOMUX_PAD(0x530, 0x148, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_23__NANDF_CS7	IOMUX_PAD(0x534, 0x14C, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_24__NANDF_RDY_INT	IOMUX_PAD(0x538, 0x150, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_25__NANDF_D15	IOMUX_PAD(0x53C, 0x154, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_26__NANDF_D14	IOMUX_PAD(0x540, 0x158, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_27__NANDF_D13	IOMUX_PAD(0x544, 0x15C, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_28__NANDF_D12	IOMUX_PAD(0x548, 0x160, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_29__NANDF_D11	IOMUX_PAD(0x54C, 0x164, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_30__NANDF_D10	IOMUX_PAD(0x550, 0x168, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_31__NANDF_D9	IOMUX_PAD(0x554, 0x16C, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_0__NANDF_D8	IOMUX_PAD(0x558, 0x170, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_1__NANDF_D7	IOMUX_PAD(0x55C, 0x174, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_2__NANDF_D6	IOMUX_PAD(0x560, 0x178, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_3__NANDF_D5	IOMUX_PAD(0x564, 0x17C, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_4__NANDF_D4	IOMUX_PAD(0x568, 0x180, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_5__NANDF_D3	IOMUX_PAD(0x56C, 0x184, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_6__NANDF_D2	IOMUX_PAD(0x570, 0x188, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_7__NANDF_D1	IOMUX_PAD(0x574, 0x18C, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_8__NANDF_D0	IOMUX_PAD(0x578, 0x190, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_12__CSI1_D8	IOMUX_PAD(0x57C, 0x194, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_13__CSI1_D9	IOMUX_PAD(0x580, 0x198, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_D10__CSI1_D10	IOMUX_PAD(0x584, 0x19C, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_D11__CSI1_D11	IOMUX_PAD(0x588, 0x1A0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_D12__CSI1_D12	IOMUX_PAD(0x58C, 0x1A4, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_D13__CSI1_D13	IOMUX_PAD(0x590, 0x1A8, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_D14__CSI1_D14	IOMUX_PAD(0x594, 0x1AC, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_D15__CSI1_D15	IOMUX_PAD(0x598, 0x1B0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_D16__CSI1_D16	IOMUX_PAD(0x59C, 0x1B4, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_D17__CSI1_D17	IOMUX_PAD(0x5A0, 0x1B8, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_D18__CSI1_D18	IOMUX_PAD(0x5A4, 0x1BC, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_D19__CSI1_D19	IOMUX_PAD(0x5A8, 0x1C0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_VSYNC__CSI1_VSYNC	IOMUX_PAD(0x5AC, 0x1C4, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_HSYNC__CSI1_HSYNC	IOMUX_PAD(0x5B0, 0x1C8, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_PIXCLK__CSI1_PIXCLK	IOMUX_PAD(0x5B4, 0x0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_MCLK__CSI1_MCLK	IOMUX_PAD(0x5B8, 0x0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI1_PKE0__CSI1_PKE0	IOMUX_PAD(0x860, 0x0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_9__CSI2_D12	IOMUX_PAD(0x5BC, 0x1CC, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_10__CSI2_D13	IOMUX_PAD(0x5C0, 0x1D0, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_11__CSI2_D14	IOMUX_PAD(0x5C4, 0x1D4, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_12__CSI2_D15	IOMUX_PAD(0x5C8, 0x1D8, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_11__CSI2_D16	IOMUX_PAD(0x5CC, 0x1DC, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_12__CSI2_D17	IOMUX_PAD(0x5D0, 0x1E0, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_11__CSI2_D18	IOMUX_PAD(0x5D4, 0x1E4, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_12__CSI2_D19	IOMUX_PAD(0x5D8, 0x1E8, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_13__CSI2_VSYNC	IOMUX_PAD(0x5DC, 0x1EC, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_14__CSI2_HSYNC	IOMUX_PAD(0x5E0, 0x1F0, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_15__CSI2_PIXCLK	IOMUX_PAD(0x5E4, 0x1F4, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_CSI2_PKE0__CSI2_PKE0	IOMUX_PAD(0x81C, 0x0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_16__I2C1_CLK	IOMUX_PAD(0x5E8, 0x1F8, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_17__I2C1_DAT	IOMUX_PAD(0x5EC, 0x1FC, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_18__AUD3_BB_TXD	IOMUX_PAD(0x5F0, 0x200, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_19__AUD3_BB_RXD	IOMUX_PAD(0x5F4, 0x204, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_20__AUD3_BB_CK	IOMUX_PAD(0x5F8, 0x208, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_21__AUD3_BB_FS	IOMUX_PAD(0x5FC, 0x20C, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_22__CSPI1_MOSI	IOMUX_PAD(0x600, 0x210, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_23__CSPI1_MISO	IOMUX_PAD(0x604, 0x214, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_24__CSPI1_SS0	IOMUX_PAD(0x608, 0x218, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_25__CSPI1_SS1	IOMUX_PAD(0x60C, 0x21C, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_26__CSPI1_RDY	IOMUX_PAD(0x610, 0x220, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_4_27__CSPI1_SCLK	IOMUX_PAD(0x614, 0x224, 3, 0x0, 0, NO_PAD_CTRL)
+
+/* Babbage UART1 */
+#define MX51_PAD_UART1_RXD__UART1_RXD	IOMUX_PAD(0x618, 0x228,	IOMUX_CONFIG_ALT0, 0x9e4, 0, MX51_UART1_PAD_CTRL | PAD_CTL_SRE_FAST)
+#define MX51_PAD_UART1_TXD__UART1_TXD	IOMUX_PAD(0x61C, 0x22C, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_UART1_PAD_CTRL | PAD_CTL_SRE_FAST)
+#define MX51_PAD_UART1_RTS__UART1_RTS	IOMUX_PAD(0x620, 0x230, IOMUX_CONFIG_ALT0, 0x9e0, 0, MX51_UART1_PAD_CTRL)
+#define MX51_PAD_UART1_CTS__UART1_CTS	IOMUX_PAD(0x624, 0x234, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_UART1_PAD_CTRL)
+
+/* Babbage UART2 */
+#define MX51_PAD_UART2_RXD__UART2_RXD	IOMUX_PAD(0x628, 0x238, IOMUX_CONFIG_ALT0, 0x9ec, 2, MX51_UART2_PAD_CTRL)
+#define MX51_PAD_UART2_TXD__UART2_TXD	IOMUX_PAD(0x62C, 0x23C, IOMUX_CONFIG_ALT0, 0x0, 0, MX51_UART2_PAD_CTRL)
+
+#define MX51_PAD_GPIO_1_22__UART3_RXD	IOMUX_PAD(0x630, 0x240, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_23__UART3_TXD	IOMUX_PAD(0x634, 0x244, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_24__OWIRE_LINE	IOMUX_PAD(0x638, 0x248, 3, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_KEY_ROW0__KEY_ROW0	IOMUX_PAD(0x63C, 0x24C, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_KEY_ROW1__KEY_ROW1	IOMUX_PAD(0x640, 0x250, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_KEY_ROW2__KEY_ROW2	IOMUX_PAD(0x644, 0x254, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_KEY_ROW3__KEY_ROW3	IOMUX_PAD(0x648, 0x258, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_KEY_COL0__KEY_COL0	IOMUX_PAD(0x64C, 0x25C, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_KEY_COL1__KEY_COL1	IOMUX_PAD(0x650, 0x260, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_KEY_COL2__KEY_COL2	IOMUX_PAD(0x654, 0x264, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_KEY_COL3__KEY_COL3	IOMUX_PAD(0x658, 0x268, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_KEY_COL4__KEY_COL4	IOMUX_PAD(0x65C, 0x26C, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_KEY_COL5__KEY_COL5	IOMUX_PAD(0x660, 0x270, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_25__USBH1_CLK	IOMUX_PAD(0x678, 0x278, 2, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_26__USBH1_DIR	IOMUX_PAD(0x67C, 0x27C, 2, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_27__USBH1_STP	IOMUX_PAD(0x680, 0x280, 2, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_28__USBH1_NXT	IOMUX_PAD(0x684, 0x284, 2, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_11__USBH1_DATA0	IOMUX_PAD(0x688, 0x288, 2, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_12__USBH1_DATA1	IOMUX_PAD(0x68C, 0x28C, 2, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_13__USBH1_DATA2	IOMUX_PAD(0x690, 0x290, 2, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_14__USBH1_DATA3	IOMUX_PAD(0x694, 0x294, 2, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_15__USBH1_DATA4	IOMUX_PAD(0x698, 0x298, 2, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_16__USBH1_DATA5	IOMUX_PAD(0x69C, 0x29C, 2, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_17__USBH1_DATA6	IOMUX_PAD(0x6A0, 0x2A0, 2, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_18__USBH1_DATA7	IOMUX_PAD(0x6A4, 0x2A4, 2, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_0__DI1_PIN11	IOMUX_PAD(0x6A8, 0x2A8, 4, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_1__DI1_PIN12	IOMUX_PAD(0x6AC, 0x2AC, 4, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_2__DI1_PIN13	IOMUX_PAD(0x6B0, 0x2B0, 4, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_3__DI1_D0_CS	IOMUX_PAD(0x6B4, 0x2B4, 4, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_4__DI1_D1_CS	IOMUX_PAD(0x6B8, 0x2B8, 4, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_5__DISPB2_SER_DIN	IOMUX_PAD(0x6BC, 0x2BC, 4, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_6__DISPB2_SER_DIO	IOMUX_PAD(0x6C0, 0x2C0, 4, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_7__DISPB2_SER_CLK	IOMUX_PAD(0x6C4, 0x2C4, 4, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_3_8__DISPB2_SER_RS	IOMUX_PAD(0x6C8, 0x2C8, 4, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT0__DISP1_DAT0	IOMUX_PAD(0x6CC, 0x2CC, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT1__DISP1_DAT1	IOMUX_PAD(0x6D0, 0x2D0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT2__DISP1_DAT2	IOMUX_PAD(0x6D4, 0x2D4, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT3__DISP1_DAT3	IOMUX_PAD(0x6D8, 0x2D8, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT4__DISP1_DAT4	IOMUX_PAD(0x6DC, 0x2DC, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT5__DISP1_DAT5	IOMUX_PAD(0x6E0, 0x2E0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT6__DISP1_DAT6	IOMUX_PAD(0x6E4, 0x2E4, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT7__DISP1_DAT7	IOMUX_PAD(0x6E8, 0x2E8, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT8__DISP1_DAT8	IOMUX_PAD(0x6EC, 0x2EC, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT9__DISP1_DAT9	IOMUX_PAD(0x6F0, 0x2F0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT10__DISP1_DAT10	IOMUX_PAD(0x6F4, 0x2F4, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT11__DISP1_DAT11	IOMUX_PAD(0x6F8, 0x2F8, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT12__DISP1_DAT12	IOMUX_PAD(0x6FC, 0x2FC, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT13__DISP1_DAT13	IOMUX_PAD(0x700, 0x300, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT14__DISP1_DAT14	IOMUX_PAD(0x704, 0x304, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT15__DISP1_DAT15	IOMUX_PAD(0x708, 0x308, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT16__DISP1_DAT16	IOMUX_PAD(0x70C, 0x30C, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT17__DISP1_DAT17	IOMUX_PAD(0x710, 0x310, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT18__DISP1_DAT18	IOMUX_PAD(0x714, 0x314, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT19__DISP1_DAT19	IOMUX_PAD(0x718, 0x318, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT20__DISP1_DAT20	IOMUX_PAD(0x71C, 0x31C, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT21__DISP1_DAT21	IOMUX_PAD(0x720, 0x320, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT22__DISP1_DAT22	IOMUX_PAD(0x724, 0x324, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP1_DAT23__DISP1_DAT23	IOMUX_PAD(0x728, 0x328, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DI1_PIN3__DI1_PIN3	IOMUX_PAD(0x72C, 0x32C, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DI1_PIN2__DI1_PIN2	IOMUX_PAD(0x734, 0x330, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DI_GP1__DI_GP1	IOMUX_PAD(0x73C, 0x334, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DI_GP2__DI_GP2	IOMUX_PAD(0x740, 0x338, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DI_GP3__DI_GP3	IOMUX_PAD(0x744, 0x33C, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DI2_PIN4__DI2_PIN4	IOMUX_PAD(0x748, 0x340, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DI2_PIN2__DI2_PIN2	IOMUX_PAD(0x74C, 0x344, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DI2_PIN3__DI2_PIN3	IOMUX_PAD(0x750, 0x348, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DI2_DISP_CLK__DI2_DISP_CLK	IOMUX_PAD(0x754, 0x34C, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DI_GP4__DI_GP4	IOMUX_PAD(0x758, 0x350, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP2_DAT0__DISP2_DAT0	IOMUX_PAD(0x75C, 0x354, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP2_DAT1__DISP2_DAT1	IOMUX_PAD(0x760, 0x358, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP2_DAT2__DISP2_DAT2	IOMUX_PAD(0x764, 0x35C, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP2_DAT3__DISP2_DAT3	IOMUX_PAD(0x768, 0x360, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP2_DAT4__DISP2_DAT4	IOMUX_PAD(0x76C, 0x364, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP2_DAT5__DISP2_DAT5	IOMUX_PAD(0x770, 0x368, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_19__DISP2_DAT6	IOMUX_PAD(0x774, 0x36C, 5, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_29__DISP2_DAT7	IOMUX_PAD(0x778, 0x370, 5, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_30__DISP2_DAT8	IOMUX_PAD(0x77C, 0x374, 5, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_31__DISP2_DAT9	IOMUX_PAD(0x780, 0x378, 5, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP2_DAT10__DISP2_DAT10	IOMUX_PAD(0x784, 0x37C, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP2_DAT11__DISP2_DAT11	IOMUX_PAD(0x788, 0x380, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP2_DAT12__DISP2_DAT12	IOMUX_PAD(0x78C, 0x384, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP2_DAT13__DISP2_DAT13	IOMUX_PAD(0x790, 0x388, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP2_DAT14__DISP2_DAT14	IOMUX_PAD(0x794, 0x38C, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_DISP2_DAT15__DISP2_DAT15	IOMUX_PAD(0x798, 0x390, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_SD1_CMD__SD1_CMD	IOMUX_PAD(0x79C, 0x394, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_SD1_CLK__SD1_CLK	IOMUX_PAD(0x7A0, 0x398, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_SD1_DATA0__SD1_DATA0	IOMUX_PAD(0x7A4, 0x39C, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_SD1_DATA1__SD1_DATA1	IOMUX_PAD(0x7A8, 0x3A0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_SD1_DATA2__SD1_DATA2	IOMUX_PAD(0x7AC, 0x3A4, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_SD1_DATA3__SD1_DATA3	IOMUX_PAD(0x7B0, 0x3A8, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_0__GPIO1_0	IOMUX_PAD(0x7B4, 0x3AC, 1, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_1__GPIO1_1	IOMUX_PAD(0x7B8, 0x3B0, 1, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_SD2_CMD__SD2_CMD	IOMUX_PAD(0x7BC, 0x3B4, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_SD2_CLK__SD2_CLK	IOMUX_PAD(0x7C0, 0x3B8, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_SD2_DATA0__SD2_DATA0	IOMUX_PAD(0x7C4, 0x3BC, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_SD2_DATA1__SD2_DATA1	IOMUX_PAD(0x7C8, 0x3C0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_SD2_DATA2__SD2_DATA2	IOMUX_PAD(0x7CC, 0x3C4, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_SD2_DATA3__SD2_DATA3	IOMUX_PAD(0x7D0, 0x3C8, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_2__GPIO1_2	IOMUX_PAD(0x7D4, 0x3CC, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_3__GPIO1_3	IOMUX_PAD(0x7D8, 0x3D0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_PMIC_INT_REQ__PMIC_INT_REQ	IOMUX_PAD(0x7FC, 0x3D4, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_4__GPIO1_4	IOMUX_PAD(0x804, 0x3D8, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_5__GPIO1_5	IOMUX_PAD(0x808, 0x3DC, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_6__GPIO1_6	IOMUX_PAD(0x80C, 0x3E0, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_7__GPIO1_7	IOMUX_PAD(0x810, 0x3E4, 0, 0x0, 0, NO_PAD_CTRL)
+#define MX51_PAD_GPIO_1_8__GPIO1_8	IOMUX_PAD(0x814, 0x3E8, 0, 0x0, 1, \
+						(PAD_CTL_SRE_SLOW | PAD_CTL_DSE_MED | PAD_CTL_PUS_100K_UP |  PAD_CTL_HYS))
+#define MX51_PAD_GPIO_1_9__GPIO1_9	IOMUX_PAD(0x818, 0x3EC, 0, 0x0, 0, NO_PAD_CTRL)
+
+/* EIM */
+#define MX51_PAD_EIM_DA0__EIM_DA0	IOMUX_PAD(0x7a8, 0x01c, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA1__EIM_DA1	IOMUX_PAD(0x7a8, 0x020, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA2__EIM_DA2	IOMUX_PAD(0x7a8, 0x024, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA3__EIM_DA3	IOMUX_PAD(0x7a8, 0x028, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA4__EIM_DA4	IOMUX_PAD(0x7ac, 0x02c, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA5__EIM_DA5	IOMUX_PAD(0x7ac, 0x030, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA6__EIM_DA6	IOMUX_PAD(0x7ac, 0x034, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA7__EIM_DA7	IOMUX_PAD(0x7ac, 0x038, 0, 0x0,   0, NO_PAD_CTRL)
+
+#define MX51_PAD_EIM_DA8__EIM_DA8	IOMUX_PAD(0x7b0, 0x03c, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA9__EIM_DA9	IOMUX_PAD(0x7b0, 0x040, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA10__EIM_DA10	IOMUX_PAD(0x7b0, 0x044, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA11__EIM_DA11	IOMUX_PAD(0x7b0, 0x048, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA12__EIM_DA12	IOMUX_PAD(0x7bc, 0x04c, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA13__EIM_DA13	IOMUX_PAD(0x7bc, 0x050, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA14__EIM_DA14	IOMUX_PAD(0x7bc, 0x054, 0, 0x0,   0, NO_PAD_CTRL)
+#define MX51_PAD_EIM_DA15__EIM_DA15	IOMUX_PAD(0x7bc, 0x058, 0, 0x0,   0, NO_PAD_CTRL)
+
+#endif /* __MACH_IOMUX_MX51_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/iomux-v1.h b/arch/arm/plat-mxc/include/mach/iomux-v1.h
new file mode 100644
index 000000000000..884f5753f279
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/iomux-v1.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
+ * Copyright (C) 2009 by Holger Schurig <hs4233@mail.mn-solutions.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#ifndef __MACH_IOMUX_V1_H__
+#define __MACH_IOMUX_V1_H__
+
+/*
+*  GPIO Module and I/O Multiplexer
+*  x = 0..3 for reg_A, reg_B, reg_C, reg_D
+*/
+#define MXC_DDIR(x)	(0x00 + ((x) << 8))
+#define MXC_OCR1(x)	(0x04 + ((x) << 8))
+#define MXC_OCR2(x)	(0x08 + ((x) << 8))
+#define MXC_ICONFA1(x)	(0x0c + ((x) << 8))
+#define MXC_ICONFA2(x)	(0x10 + ((x) << 8))
+#define MXC_ICONFB1(x)	(0x14 + ((x) << 8))
+#define MXC_ICONFB2(x)	(0x18 + ((x) << 8))
+#define MXC_DR(x)	(0x1c + ((x) << 8))
+#define MXC_GIUS(x)	(0x20 + ((x) << 8))
+#define MXC_SSR(x)	(0x24 + ((x) << 8))
+#define MXC_ICR1(x)	(0x28 + ((x) << 8))
+#define MXC_ICR2(x)	(0x2c + ((x) << 8))
+#define MXC_IMR(x)	(0x30 + ((x) << 8))
+#define MXC_ISR(x)	(0x34 + ((x) << 8))
+#define MXC_GPR(x)	(0x38 + ((x) << 8))
+#define MXC_SWR(x)	(0x3c + ((x) << 8))
+#define MXC_PUEN(x)	(0x40 + ((x) << 8))
+
+#define MX1_NUM_GPIO_PORT	4
+#define MX21_NUM_GPIO_PORT	6
+#define MX27_NUM_GPIO_PORT	6
+
+#define GPIO_PIN_MASK 0x1f
+
+#define GPIO_PORT_SHIFT 5
+#define GPIO_PORT_MASK (0x7 << GPIO_PORT_SHIFT)
+
+#define GPIO_PORTA	(0 << GPIO_PORT_SHIFT)
+#define GPIO_PORTB	(1 << GPIO_PORT_SHIFT)
+#define GPIO_PORTC	(2 << GPIO_PORT_SHIFT)
+#define GPIO_PORTD	(3 << GPIO_PORT_SHIFT)
+#define GPIO_PORTE	(4 << GPIO_PORT_SHIFT)
+#define GPIO_PORTF	(5 << GPIO_PORT_SHIFT)
+
+#define GPIO_OUT	(1 << 8)
+#define GPIO_IN		(0 << 8)
+#define GPIO_PUEN	(1 << 9)
+
+#define GPIO_PF		(1 << 10)
+#define GPIO_AF		(1 << 11)
+
+#define GPIO_OCR_SHIFT 12
+#define GPIO_OCR_MASK	(3 << GPIO_OCR_SHIFT)
+#define GPIO_AIN	(0 << GPIO_OCR_SHIFT)
+#define GPIO_BIN	(1 << GPIO_OCR_SHIFT)
+#define GPIO_CIN	(2 << GPIO_OCR_SHIFT)
+#define GPIO_GPIO	(3 << GPIO_OCR_SHIFT)
+
+#define GPIO_AOUT_SHIFT	14
+#define GPIO_AOUT_MASK	(3 << GPIO_AOUT_SHIFT)
+#define GPIO_AOUT	(0 << GPIO_AOUT_SHIFT)
+#define GPIO_AOUT_ISR	(1 << GPIO_AOUT_SHIFT)
+#define GPIO_AOUT_0	(2 << GPIO_AOUT_SHIFT)
+#define GPIO_AOUT_1	(3 << GPIO_AOUT_SHIFT)
+
+#define GPIO_BOUT_SHIFT	16
+#define GPIO_BOUT_MASK	(3 << GPIO_BOUT_SHIFT)
+#define GPIO_BOUT	(0 << GPIO_BOUT_SHIFT)
+#define GPIO_BOUT_ISR	(1 << GPIO_BOUT_SHIFT)
+#define GPIO_BOUT_0	(2 << GPIO_BOUT_SHIFT)
+#define GPIO_BOUT_1	(3 << GPIO_BOUT_SHIFT)
+
+/* decode irq number to use with IMR(x), ISR(x) and friends */
+#define IRQ_TO_REG(irq) ((irq - MXC_INTERNAL_IRQS) >> 5)
+
+#define IRQ_GPIOA(x)  (MXC_GPIO_IRQ_START + x)
+#define IRQ_GPIOB(x)  (IRQ_GPIOA(32) + x)
+#define IRQ_GPIOC(x)  (IRQ_GPIOB(32) + x)
+#define IRQ_GPIOD(x)  (IRQ_GPIOC(32) + x)
+#define IRQ_GPIOE(x)  (IRQ_GPIOD(32) + x)
+#define IRQ_GPIOF(x)  (IRQ_GPIOE(32) + x)
+
+extern int mxc_gpio_mode(int gpio_mode);
+extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
+		const char *label);
+extern void mxc_gpio_release_multiple_pins(const int *pin_list, int count);
+
+#endif /* __MACH_IOMUX_V1_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/iomux-v3.h b/arch/arm/plat-mxc/include/mach/iomux-v3.h
index 1deda0184892..f2f73d31d5ba 100644
--- a/arch/arm/plat-mxc/include/mach/iomux-v3.h
+++ b/arch/arm/plat-mxc/include/mach/iomux-v3.h
@@ -81,11 +81,13 @@ struct pad_desc {
 
 #define PAD_CTL_ODE			(1 << 3)
 
-#define PAD_CTL_DSE_STANDARD		(0 << 1)
-#define PAD_CTL_DSE_HIGH		(1 << 1)
-#define PAD_CTL_DSE_MAX			(2 << 1)
+#define PAD_CTL_DSE_LOW			(0 << 1)
+#define PAD_CTL_DSE_MED			(1 << 1)
+#define PAD_CTL_DSE_HIGH		(2 << 1)
+#define PAD_CTL_DSE_MAX			(3 << 1)
 
 #define PAD_CTL_SRE_FAST		(1 << 0)
+#define PAD_CTL_SRE_SLOW		(0 << 0)
 
 /*
  * setups a single pad in the iomuxer
diff --git a/arch/arm/plat-mxc/include/mach/iomux.h b/arch/arm/plat-mxc/include/mach/iomux.h
index 011cfcd8b820..3d226d7e7be2 100644
--- a/arch/arm/plat-mxc/include/mach/iomux.h
+++ b/arch/arm/plat-mxc/include/mach/iomux.h
@@ -1,102 +1,14 @@
 /*
-* Copyright (C) 2008 by Sascha Hauer <kernel@pengutronix.de>
-* Copyright (C) 2009 by Holger Schurig <hs4233@mail.mn-solutions.de>
-*
-* This program is free software; you can redistribute it and/or
-* modify it under the terms of the GNU General Public License
-* as published by the Free Software Foundation; either version 2
-* of the License, or (at your option) any later version.
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program; if not, write to the Free Software
-* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-* MA 02110-1301, USA.
-*/
-
-#ifndef _MXC_IOMUX_H
-#define _MXC_IOMUX_H
-
-/*
-*  GPIO Module and I/O Multiplexer
-*  x = 0..3 for reg_A, reg_B, reg_C, reg_D
-*/
-#define VA_GPIO_BASE	IO_ADDRESS(GPIO_BASE_ADDR)
-#define MXC_DDIR(x)    (0x00 + ((x) << 8))
-#define MXC_OCR1(x)    (0x04 + ((x) << 8))
-#define MXC_OCR2(x)    (0x08 + ((x) << 8))
-#define MXC_ICONFA1(x) (0x0c + ((x) << 8))
-#define MXC_ICONFA2(x) (0x10 + ((x) << 8))
-#define MXC_ICONFB1(x) (0x14 + ((x) << 8))
-#define MXC_ICONFB2(x) (0x18 + ((x) << 8))
-#define MXC_DR(x)      (0x1c + ((x) << 8))
-#define MXC_GIUS(x)    (0x20 + ((x) << 8))
-#define MXC_SSR(x)     (0x24 + ((x) << 8))
-#define MXC_ICR1(x)    (0x28 + ((x) << 8))
-#define MXC_ICR2(x)    (0x2c + ((x) << 8))
-#define MXC_IMR(x)     (0x30 + ((x) << 8))
-#define MXC_ISR(x)     (0x34 + ((x) << 8))
-#define MXC_GPR(x)     (0x38 + ((x) << 8))
-#define MXC_SWR(x)     (0x3c + ((x) << 8))
-#define MXC_PUEN(x)    (0x40 + ((x) << 8))
-
-#ifdef CONFIG_ARCH_MX1
-# define GPIO_PORT_MAX  3
-#endif
-#ifdef CONFIG_ARCH_MX2
-# define GPIO_PORT_MAX  5
-#endif
-#ifdef CONFIG_ARCH_MX25
-# define GPIO_PORT_MAX  3
-#endif
-
-#ifndef GPIO_PORT_MAX
-# error "GPIO config port count unknown!"
-#endif
-
-#define GPIO_PIN_MASK 0x1f
-
-#define GPIO_PORT_SHIFT 5
-#define GPIO_PORT_MASK (0x7 << GPIO_PORT_SHIFT)
-
-#define GPIO_PORTA (0 << GPIO_PORT_SHIFT)
-#define GPIO_PORTB (1 << GPIO_PORT_SHIFT)
-#define GPIO_PORTC (2 << GPIO_PORT_SHIFT)
-#define GPIO_PORTD (3 << GPIO_PORT_SHIFT)
-#define GPIO_PORTE (4 << GPIO_PORT_SHIFT)
-#define GPIO_PORTF (5 << GPIO_PORT_SHIFT)
-
-#define GPIO_OUT   (1 << 8)
-#define GPIO_IN    (0 << 8)
-#define GPIO_PUEN  (1 << 9)
-
-#define GPIO_PF    (1 << 10)
-#define GPIO_AF    (1 << 11)
-
-#define GPIO_OCR_SHIFT 12
-#define GPIO_OCR_MASK (3 << GPIO_OCR_SHIFT)
-#define GPIO_AIN   (0 << GPIO_OCR_SHIFT)
-#define GPIO_BIN   (1 << GPIO_OCR_SHIFT)
-#define GPIO_CIN   (2 << GPIO_OCR_SHIFT)
-#define GPIO_GPIO  (3 << GPIO_OCR_SHIFT)
-
-#define GPIO_AOUT_SHIFT 14
-#define GPIO_AOUT_MASK (3 << GPIO_AOUT_SHIFT)
-#define GPIO_AOUT     (0 << GPIO_AOUT_SHIFT)
-#define GPIO_AOUT_ISR (1 << GPIO_AOUT_SHIFT)
-#define GPIO_AOUT_0   (2 << GPIO_AOUT_SHIFT)
-#define GPIO_AOUT_1   (3 << GPIO_AOUT_SHIFT)
-
-#define GPIO_BOUT_SHIFT 16
-#define GPIO_BOUT_MASK (3 << GPIO_BOUT_SHIFT)
-#define GPIO_BOUT      (0 << GPIO_BOUT_SHIFT)
-#define GPIO_BOUT_ISR  (1 << GPIO_BOUT_SHIFT)
-#define GPIO_BOUT_0    (2 << GPIO_BOUT_SHIFT)
-#define GPIO_BOUT_1    (3 << GPIO_BOUT_SHIFT)
+ * Copyright (C) 2010 Uwe Kleine-Koenig, Pengutronix
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+#ifndef __MACH_IOMUX_H__
+#define __MACH_IOMUX_H__
 
+/* This file will go away, please include mach/iomux-mx... directly */
 
 #ifdef CONFIG_ARCH_MX1
 #include <mach/iomux-mx1.h>
@@ -110,25 +22,5 @@
 #include <mach/iomux-mx27.h>
 #endif
 #endif
-#ifdef CONFIG_ARCH_MX25
-#include <mach/iomux-mx25.h>
-#endif
 
-
-/* decode irq number to use with IMR(x), ISR(x) and friends */
-#define IRQ_TO_REG(irq) ((irq - MXC_INTERNAL_IRQS) >> 5)
-
-#define IRQ_GPIOA(x)  (MXC_GPIO_IRQ_START + x)
-#define IRQ_GPIOB(x)  (IRQ_GPIOA(32) + x)
-#define IRQ_GPIOC(x)  (IRQ_GPIOB(32) + x)
-#define IRQ_GPIOD(x)  (IRQ_GPIOC(32) + x)
-#define IRQ_GPIOE(x)  (IRQ_GPIOD(32) + x)
-#define IRQ_GPIOF(x)  (IRQ_GPIOE(32) + x)
-
-
-extern void mxc_gpio_mode(int gpio_mode);
-extern int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
-	const char *label);
-extern void mxc_gpio_release_multiple_pins(const int *pin_list, int count);
-
-#endif
+#endif /* __MACH_IOMUX_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/irqs.h b/arch/arm/plat-mxc/include/mach/irqs.h
index 0cb347645db4..86781f7b0c0c 100644
--- a/arch/arm/plat-mxc/include/mach/irqs.h
+++ b/arch/arm/plat-mxc/include/mach/irqs.h
@@ -12,22 +12,29 @@
 #define __ASM_ARCH_MXC_IRQS_H__
 
 /*
- * So far all i.MX SoCs have 64 internal interrupts
+ * SoCs with TZIC interrupt controller have 128 IRQs, those with AVIC have 64
  */
+#ifdef CONFIG_MXC_TZIC
+#define MXC_INTERNAL_IRQS	128
+#else
 #define MXC_INTERNAL_IRQS	64
+#endif
 
 #define MXC_GPIO_IRQ_START	MXC_INTERNAL_IRQS
 
-#if defined CONFIG_ARCH_MX1
-#define MXC_GPIO_IRQS		(32 * 4)
-#elif defined CONFIG_ARCH_MX2
+/* these are ordered by size to support multi-SoC kernels */
+#if defined CONFIG_ARCH_MX2
 #define MXC_GPIO_IRQS		(32 * 6)
-#elif defined CONFIG_ARCH_MX3
-#define MXC_GPIO_IRQS		(32 * 3)
+#elif defined CONFIG_ARCH_MX1
+#define MXC_GPIO_IRQS		(32 * 4)
 #elif defined CONFIG_ARCH_MX25
 #define MXC_GPIO_IRQS		(32 * 4)
+#elif defined CONFIG_ARCH_MX5
+#define MXC_GPIO_IRQS		(32 * 4)
 #elif defined CONFIG_ARCH_MXC91231
 #define MXC_GPIO_IRQS		(32 * 4)
+#elif defined CONFIG_ARCH_MX3
+#define MXC_GPIO_IRQS		(32 * 3)
 #endif
 
 /*
@@ -51,6 +58,7 @@
 #else
 #define MX3_IPU_IRQS 0
 #endif
+/* REVISIT: Add IPU irqs on IMX51 */
 
 #define NR_IRQS			(MXC_IPU_IRQ_START + MX3_IPU_IRQS)
 
diff --git a/arch/arm/plat-mxc/include/mach/memory.h b/arch/arm/plat-mxc/include/mach/memory.h
index d3afafdcc0e5..c4b40c35a6a1 100644
--- a/arch/arm/plat-mxc/include/mach/memory.h
+++ b/arch/arm/plat-mxc/include/mach/memory.h
@@ -11,37 +11,45 @@
 #ifndef __ASM_ARCH_MXC_MEMORY_H__
 #define __ASM_ARCH_MXC_MEMORY_H__
 
-#if defined CONFIG_ARCH_MX1
-#define PHYS_OFFSET		UL(0x08000000)
-#elif defined CONFIG_ARCH_MX2
-#ifdef CONFIG_MACH_MX21
-#define PHYS_OFFSET		UL(0xC0000000)
-#endif
-#ifdef CONFIG_MACH_MX27
-#define PHYS_OFFSET		UL(0xA0000000)
-#endif
-#elif defined CONFIG_ARCH_MX3
-#define PHYS_OFFSET		UL(0x80000000)
-#elif defined CONFIG_ARCH_MX25
-#define PHYS_OFFSET		UL(0x80000000)
-#elif defined CONFIG_ARCH_MXC91231
-#define PHYS_OFFSET		UL(0x90000000)
+#define MX1_PHYS_OFFSET		UL(0x08000000)
+#define MX21_PHYS_OFFSET	UL(0xc0000000)
+#define MX25_PHYS_OFFSET	UL(0x80000000)
+#define MX27_PHYS_OFFSET	UL(0xa0000000)
+#define MX3x_PHYS_OFFSET	UL(0x80000000)
+#define MX51_PHYS_OFFSET	UL(0x90000000)
+#define MXC91231_PHYS_OFFSET	UL(0x90000000)
+
+#if !defined(CONFIG_RUNTIME_PHYS_OFFSET)
+# if defined CONFIG_ARCH_MX1
+#  define PHYS_OFFSET		MX1_PHYS_OFFSET
+# elif defined CONFIG_MACH_MX21
+#  define PHYS_OFFSET		MX21_PHYS_OFFSET
+# elif defined CONFIG_ARCH_MX25
+#  define PHYS_OFFSET		MX25_PHYS_OFFSET
+# elif defined CONFIG_MACH_MX27
+#  define PHYS_OFFSET		MX27_PHYS_OFFSET
+# elif defined CONFIG_ARCH_MX3
+#  define PHYS_OFFSET		MX3x_PHYS_OFFSET
+# elif defined CONFIG_ARCH_MXC91231
+#  define PHYS_OFFSET		MXC91231_PHYS_OFFSET
+# elif defined CONFIG_ARCH_MX5
+#  define PHYS_OFFSET		MX51_PHYS_OFFSET
+# endif
 #endif
 
-#if defined(CONFIG_MX1_VIDEO)
+#if defined(CONFIG_MX3_VIDEO)
 /*
  * Increase size of DMA-consistent memory region.
- * This is required for i.MX camera driver to capture at least four VGA frames.
+ * This is required for mx3 camera driver to capture at least two QXGA frames.
  */
-#define CONSISTENT_DMA_SIZE SZ_4M
-#endif /* CONFIG_MX1_VIDEO */
+#define CONSISTENT_DMA_SIZE SZ_8M
 
-#if defined(CONFIG_MX3_VIDEO)
+#elif defined(CONFIG_MX1_VIDEO)
 /*
  * Increase size of DMA-consistent memory region.
- * This is required for mx3 camera driver to capture at least two QXGA frames.
+ * This is required for i.MX camera driver to capture at least four VGA frames.
  */
-#define CONSISTENT_DMA_SIZE SZ_8M
-#endif /* CONFIG_MX3_VIDEO */
+#define CONSISTENT_DMA_SIZE SZ_4M
+#endif /* CONFIG_MX1_VIDEO */
 
 #endif /* __ASM_ARCH_MXC_MEMORY_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mtd-xip.h b/arch/arm/plat-mxc/include/mach/mtd-xip.h
deleted file mode 100644
index 1ab1bba5688d..000000000000
--- a/arch/arm/plat-mxc/include/mach/mtd-xip.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * MTD primitives for XIP support. Architecture specific functions
- *
- * Do not include this file directly. It's included from linux/mtd/xip.h
- *
- * Copyright (C) 2008 Darius Augulis <augulis.darius@gmail.com>, Teltonika, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <mach/mxc_timer.h>
-
-#ifndef __ARCH_IMX_MTD_XIP_H__
-#define __ARCH_IMX_MTD_XIP_H__
-
-#ifdef CONFIG_ARCH_MX1
-/* AITC registers */
-#define AITC_BASE	IO_ADDRESS(AVIC_BASE_ADDR)
-#define NIPNDH		(AITC_BASE + 0x58)
-#define NIPNDL		(AITC_BASE + 0x5C)
-#define INTENABLEH	(AITC_BASE + 0x10)
-#define INTENABLEL	(AITC_BASE + 0x14)
-/* MTD macros */
-#define xip_irqpending() ((__raw_readl(INTENABLEH) &  __raw_readl(NIPNDH)) \
-			|| (__raw_readl(INTENABLEL) &  __raw_readl(NIPNDL)))
-#define xip_currtime()		(__raw_readl(TIMER_BASE + MXC_TCN))
-#define xip_elapsed_since(x)	(signed)((__raw_readl(TIMER_BASE + MXC_TCN) - (x)) / 96)
-#define xip_cpu_idle()		asm volatile ("mcr p15, 0, %0, c7, c0, 4" :: "r" (0))
-#endif /* CONFIG_ARCH_MX1 */
-
-#endif /* __ARCH_IMX_MTD_XIP_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx1.h b/arch/arm/plat-mxc/include/mach/mx1.h
index 1b2890a5c452..5eba7e6785de 100644
--- a/arch/arm/plat-mxc/include/mach/mx1.h
+++ b/arch/arm/plat-mxc/include/mach/mx1.h
@@ -9,156 +9,289 @@
  * published by the Free Software Foundation.
  */
 
-#ifndef __ASM_ARCH_MXC_MX1_H__
-#define __ASM_ARCH_MXC_MX1_H__
+#ifndef __MACH_MX1_H__
+#define __MACH_MX1_H__
 
 #include <mach/vmalloc.h>
 
 /*
  * Memory map
  */
-#define IMX_IO_PHYS	0x00200000
-#define IMX_IO_SIZE	0x00100000
-#define IMX_IO_BASE	VMALLOC_END
+#define MX1_IO_BASE_ADDR	0x00200000
+#define MX1_IO_SIZE		SZ_1M
+#define MX1_IO_BASE_ADDR_VIRT	VMALLOC_END
 
-#define IMX_CS0_PHYS	0x10000000
-#define IMX_CS0_SIZE	0x02000000
+#define MX1_CS0_PHYS		0x10000000
+#define MX1_CS0_SIZE		0x02000000
 
-#define IMX_CS1_PHYS	0x12000000
-#define IMX_CS1_SIZE	0x01000000
+#define MX1_CS1_PHYS		0x12000000
+#define MX1_CS1_SIZE		0x01000000
 
-#define IMX_CS2_PHYS	0x13000000
-#define IMX_CS2_SIZE	0x01000000
+#define MX1_CS2_PHYS		0x13000000
+#define MX1_CS2_SIZE		0x01000000
 
-#define IMX_CS3_PHYS	0x14000000
-#define IMX_CS3_SIZE	0x01000000
+#define MX1_CS3_PHYS		0x14000000
+#define MX1_CS3_SIZE		0x01000000
 
-#define IMX_CS4_PHYS	0x15000000
-#define IMX_CS4_SIZE	0x01000000
+#define MX1_CS4_PHYS		0x15000000
+#define MX1_CS4_SIZE		0x01000000
 
-#define IMX_CS5_PHYS	0x16000000
-#define IMX_CS5_SIZE	0x01000000
+#define MX1_CS5_PHYS		0x16000000
+#define MX1_CS5_SIZE		0x01000000
 
 /*
  *  Register BASEs, based on OFFSETs
  */
-#define AIPI1_BASE_ADDR		(0x00000 + IMX_IO_PHYS)
-#define WDT_BASE_ADDR		(0x01000 + IMX_IO_PHYS)
-#define TIM1_BASE_ADDR		(0x02000 + IMX_IO_PHYS)
-#define TIM2_BASE_ADDR		(0x03000 + IMX_IO_PHYS)
-#define RTC_BASE_ADDR		(0x04000 + IMX_IO_PHYS)
-#define LCDC_BASE_ADDR		(0x05000 + IMX_IO_PHYS)
-#define UART1_BASE_ADDR		(0x06000 + IMX_IO_PHYS)
-#define UART2_BASE_ADDR		(0x07000 + IMX_IO_PHYS)
-#define PWM_BASE_ADDR		(0x08000 + IMX_IO_PHYS)
-#define DMA_BASE_ADDR		(0x09000 + IMX_IO_PHYS)
-#define AIPI2_BASE_ADDR		(0x10000 + IMX_IO_PHYS)
-#define SIM_BASE_ADDR		(0x11000 + IMX_IO_PHYS)
-#define USBD_BASE_ADDR		(0x12000 + IMX_IO_PHYS)
-#define SPI1_BASE_ADDR		(0x13000 + IMX_IO_PHYS)
-#define MMC_BASE_ADDR		(0x14000 + IMX_IO_PHYS)
-#define ASP_BASE_ADDR		(0x15000 + IMX_IO_PHYS)
-#define BTA_BASE_ADDR		(0x16000 + IMX_IO_PHYS)
-#define I2C_BASE_ADDR		(0x17000 + IMX_IO_PHYS)
-#define SSI_BASE_ADDR		(0x18000 + IMX_IO_PHYS)
-#define SPI2_BASE_ADDR		(0x19000 + IMX_IO_PHYS)
-#define MSHC_BASE_ADDR		(0x1A000 + IMX_IO_PHYS)
-#define CCM_BASE_ADDR		(0x1B000 + IMX_IO_PHYS)
-#define SCM_BASE_ADDR		(0x1B804 + IMX_IO_PHYS)
-#define GPIO_BASE_ADDR		(0x1C000 + IMX_IO_PHYS)
-#define EIM_BASE_ADDR		(0x20000 + IMX_IO_PHYS)
-#define SDRAMC_BASE_ADDR	(0x21000 + IMX_IO_PHYS)
-#define MMA_BASE_ADDR		(0x22000 + IMX_IO_PHYS)
-#define AVIC_BASE_ADDR		(0x23000 + IMX_IO_PHYS)
-#define CSI_BASE_ADDR		(0x24000 + IMX_IO_PHYS)
+#define MX1_AIPI1_BASE_ADDR		(0x00000 + MX1_IO_BASE_ADDR)
+#define MX1_WDT_BASE_ADDR		(0x01000 + MX1_IO_BASE_ADDR)
+#define MX1_TIM1_BASE_ADDR		(0x02000 + MX1_IO_BASE_ADDR)
+#define MX1_TIM2_BASE_ADDR		(0x03000 + MX1_IO_BASE_ADDR)
+#define MX1_RTC_BASE_ADDR		(0x04000 + MX1_IO_BASE_ADDR)
+#define MX1_LCDC_BASE_ADDR		(0x05000 + MX1_IO_BASE_ADDR)
+#define MX1_UART1_BASE_ADDR		(0x06000 + MX1_IO_BASE_ADDR)
+#define MX1_UART2_BASE_ADDR		(0x07000 + MX1_IO_BASE_ADDR)
+#define MX1_PWM_BASE_ADDR		(0x08000 + MX1_IO_BASE_ADDR)
+#define MX1_DMA_BASE_ADDR		(0x09000 + MX1_IO_BASE_ADDR)
+#define MX1_AIPI2_BASE_ADDR		(0x10000 + MX1_IO_BASE_ADDR)
+#define MX1_SIM_BASE_ADDR		(0x11000 + MX1_IO_BASE_ADDR)
+#define MX1_USBD_BASE_ADDR		(0x12000 + MX1_IO_BASE_ADDR)
+#define MX1_SPI1_BASE_ADDR		(0x13000 + MX1_IO_BASE_ADDR)
+#define MX1_MMC_BASE_ADDR		(0x14000 + MX1_IO_BASE_ADDR)
+#define MX1_ASP_BASE_ADDR		(0x15000 + MX1_IO_BASE_ADDR)
+#define MX1_BTA_BASE_ADDR		(0x16000 + MX1_IO_BASE_ADDR)
+#define MX1_I2C_BASE_ADDR		(0x17000 + MX1_IO_BASE_ADDR)
+#define MX1_SSI_BASE_ADDR		(0x18000 + MX1_IO_BASE_ADDR)
+#define MX1_SPI2_BASE_ADDR		(0x19000 + MX1_IO_BASE_ADDR)
+#define MX1_MSHC_BASE_ADDR		(0x1A000 + MX1_IO_BASE_ADDR)
+#define MX1_CCM_BASE_ADDR		(0x1B000 + MX1_IO_BASE_ADDR)
+#define MX1_SCM_BASE_ADDR		(0x1B804 + MX1_IO_BASE_ADDR)
+#define MX1_GPIO_BASE_ADDR		(0x1C000 + MX1_IO_BASE_ADDR)
+#define MX1_EIM_BASE_ADDR		(0x20000 + MX1_IO_BASE_ADDR)
+#define MX1_SDRAMC_BASE_ADDR		(0x21000 + MX1_IO_BASE_ADDR)
+#define MX1_MMA_BASE_ADDR		(0x22000 + MX1_IO_BASE_ADDR)
+#define MX1_AVIC_BASE_ADDR		(0x23000 + MX1_IO_BASE_ADDR)
+#define MX1_CSI_BASE_ADDR		(0x24000 + MX1_IO_BASE_ADDR)
 
 /* macro to get at IO space when running virtually */
-#define IO_ADDRESS(x)	((x) - IMX_IO_PHYS + IMX_IO_BASE)
-
-/* define macros needed for entry-macro.S */
-#define AVIC_IO_ADDRESS(x)	IO_ADDRESS(x)
+#define MX1_IO_ADDRESS(x) (						\
+	IMX_IO_ADDRESS(x, MX1_IO))
 
 /* fixed interrput numbers */
-#define INT_SOFTINT		0
-#define CSI_INT			6
-#define DSPA_MAC_INT		7
-#define DSPA_INT		8
-#define COMP_INT		9
-#define MSHC_XINT		10
-#define GPIO_INT_PORTA		11
-#define GPIO_INT_PORTB		12
-#define GPIO_INT_PORTC		13
-#define LCDC_INT		14
-#define SIM_INT			15
-#define SIM_DATA_INT		16
-#define RTC_INT			17
-#define RTC_SAMINT		18
-#define UART2_MINT_PFERR	19
-#define UART2_MINT_RTS		20
-#define UART2_MINT_DTR		21
-#define UART2_MINT_UARTC	22
-#define UART2_MINT_TX		23
-#define UART2_MINT_RX		24
-#define UART1_MINT_PFERR	25
-#define UART1_MINT_RTS		26
-#define UART1_MINT_DTR		27
-#define UART1_MINT_UARTC	28
-#define UART1_MINT_TX		29
-#define UART1_MINT_RX		30
-#define VOICE_DAC_INT		31
-#define VOICE_ADC_INT		32
-#define PEN_DATA_INT		33
-#define PWM_INT			34
-#define SDHC_INT		35
-#define I2C_INT			39
-#define CSPI_INT		41
-#define SSI_TX_INT		42
-#define SSI_TX_ERR_INT		43
-#define SSI_RX_INT		44
-#define SSI_RX_ERR_INT		45
-#define TOUCH_INT		46
-#define USBD_INT0		47
-#define USBD_INT1		48
-#define USBD_INT2		49
-#define USBD_INT3		50
-#define USBD_INT4		51
-#define USBD_INT5		52
-#define USBD_INT6		53
-#define BTSYS_INT		55
-#define BTTIM_INT		56
-#define BTWUI_INT		57
-#define TIM2_INT		58
-#define TIM1_INT		59
-#define DMA_ERR			60
-#define DMA_INT			61
-#define GPIO_INT_PORTD		62
-#define WDT_INT			63
+#define MX1_INT_SOFTINT		0
+#define MX1_CSI_INT		6
+#define MX1_DSPA_MAC_INT	7
+#define MX1_DSPA_INT		8
+#define MX1_COMP_INT		9
+#define MX1_MSHC_XINT		10
+#define MX1_GPIO_INT_PORTA	11
+#define MX1_GPIO_INT_PORTB	12
+#define MX1_GPIO_INT_PORTC	13
+#define MX1_LCDC_INT		14
+#define MX1_SIM_INT		15
+#define MX1_SIM_DATA_INT	16
+#define MX1_RTC_INT		17
+#define MX1_RTC_SAMINT		18
+#define MX1_UART2_MINT_PFERR	19
+#define MX1_UART2_MINT_RTS	20
+#define MX1_UART2_MINT_DTR	21
+#define MX1_UART2_MINT_UARTC	22
+#define MX1_UART2_MINT_TX	23
+#define MX1_UART2_MINT_RX	24
+#define MX1_UART1_MINT_PFERR	25
+#define MX1_UART1_MINT_RTS	26
+#define MX1_UART1_MINT_DTR	27
+#define MX1_UART1_MINT_UARTC	28
+#define MX1_UART1_MINT_TX	29
+#define MX1_UART1_MINT_RX	30
+#define MX1_VOICE_DAC_INT	31
+#define MX1_VOICE_ADC_INT	32
+#define MX1_PEN_DATA_INT	33
+#define MX1_PWM_INT		34
+#define MX1_SDHC_INT		35
+#define MX1_I2C_INT		39
+#define MX1_CSPI_INT		41
+#define MX1_SSI_TX_INT		42
+#define MX1_SSI_TX_ERR_INT	43
+#define MX1_SSI_RX_INT		44
+#define MX1_SSI_RX_ERR_INT	45
+#define MX1_TOUCH_INT		46
+#define MX1_USBD_INT0		47
+#define MX1_USBD_INT1		48
+#define MX1_USBD_INT2		49
+#define MX1_USBD_INT3		50
+#define MX1_USBD_INT4		51
+#define MX1_USBD_INT5		52
+#define MX1_USBD_INT6		53
+#define MX1_BTSYS_INT		55
+#define MX1_BTTIM_INT		56
+#define MX1_BTWUI_INT		57
+#define MX1_TIM2_INT		58
+#define MX1_TIM1_INT		59
+#define MX1_DMA_ERR		60
+#define MX1_DMA_INT		61
+#define MX1_GPIO_INT_PORTD	62
+#define MX1_WDT_INT		63
 
 /* DMA */
-#define DMA_REQ_UART3_T		2
-#define DMA_REQ_UART3_R		3
-#define DMA_REQ_SSI2_T		4
-#define DMA_REQ_SSI2_R		5
-#define DMA_REQ_CSI_STAT	6
-#define DMA_REQ_CSI_R		7
-#define DMA_REQ_MSHC		8
-#define DMA_REQ_DSPA_DCT_DOUT	9
-#define DMA_REQ_DSPA_DCT_DIN	10
-#define DMA_REQ_DSPA_MAC	11
-#define DMA_REQ_EXT		12
-#define DMA_REQ_SDHC		13
-#define DMA_REQ_SPI1_R		14
-#define DMA_REQ_SPI1_T		15
-#define DMA_REQ_SSI_T		16
-#define DMA_REQ_SSI_R		17
-#define DMA_REQ_ASP_DAC		18
-#define DMA_REQ_ASP_ADC		19
-#define DMA_REQ_USP_EP(x)	(20 + (x))
-#define DMA_REQ_SPI2_R		26
-#define DMA_REQ_SPI2_T		27
-#define DMA_REQ_UART2_T		28
-#define DMA_REQ_UART2_R		29
-#define DMA_REQ_UART1_T		30
-#define DMA_REQ_UART1_R		31
-
-#endif /*  __ASM_ARCH_MXC_MX1_H__ */
+#define MX1_DMA_REQ_UART3_T		2
+#define MX1_DMA_REQ_UART3_R		3
+#define MX1_DMA_REQ_SSI2_T		4
+#define MX1_DMA_REQ_SSI2_R		5
+#define MX1_DMA_REQ_CSI_STAT		6
+#define MX1_DMA_REQ_CSI_R		7
+#define MX1_DMA_REQ_MSHC		8
+#define MX1_DMA_REQ_DSPA_DCT_DOUT	9
+#define MX1_DMA_REQ_DSPA_DCT_DIN	10
+#define MX1_DMA_REQ_DSPA_MAC		11
+#define MX1_DMA_REQ_EXT			12
+#define MX1_DMA_REQ_SDHC		13
+#define MX1_DMA_REQ_SPI1_R		14
+#define MX1_DMA_REQ_SPI1_T		15
+#define MX1_DMA_REQ_SSI_T		16
+#define MX1_DMA_REQ_SSI_R		17
+#define MX1_DMA_REQ_ASP_DAC		18
+#define MX1_DMA_REQ_ASP_ADC		19
+#define MX1_DMA_REQ_USP_EP(x)		(20 + (x))
+#define MX1_DMA_REQ_SPI2_R		26
+#define MX1_DMA_REQ_SPI2_T		27
+#define MX1_DMA_REQ_UART2_T		28
+#define MX1_DMA_REQ_UART2_R		29
+#define MX1_DMA_REQ_UART1_T		30
+#define MX1_DMA_REQ_UART1_R		31
+
+/*
+ * This doesn't depend on IMX_NEEDS_DEPRECATED_SYMBOLS
+ * to not break drivers/usb/gadget/imx_udc.  Should go
+ * away after this driver uses the new name.
+ */
+#define USBD_INT0		MX1_USBD_INT0
+
+#ifdef IMX_NEEDS_DEPRECATED_SYMBOLS
+/* these should go away */
+#define IMX_IO_PHYS MX1_IO_BASE_ADDR
+#define IMX_IO_SIZE MX1_IO_SIZE
+#define IMX_IO_BASE MX1_IO_BASE_ADDR_VIRT
+#define IMX_CS0_PHYS MX1_CS0_PHYS
+#define IMX_CS0_SIZE MX1_CS0_SIZE
+#define IMX_CS1_PHYS MX1_CS1_PHYS
+#define IMX_CS1_SIZE MX1_CS1_SIZE
+#define IMX_CS2_PHYS MX1_CS2_PHYS
+#define IMX_CS2_SIZE MX1_CS2_SIZE
+#define IMX_CS3_PHYS MX1_CS3_PHYS
+#define IMX_CS3_SIZE MX1_CS3_SIZE
+#define IMX_CS4_PHYS MX1_CS4_PHYS
+#define IMX_CS4_SIZE MX1_CS4_SIZE
+#define IMX_CS5_PHYS MX1_CS5_PHYS
+#define IMX_CS5_SIZE MX1_CS5_SIZE
+#define AIPI1_BASE_ADDR MX1_AIPI1_BASE_ADDR
+#define WDT_BASE_ADDR MX1_WDT_BASE_ADDR
+#define TIM1_BASE_ADDR MX1_TIM1_BASE_ADDR
+#define TIM2_BASE_ADDR MX1_TIM2_BASE_ADDR
+#define RTC_BASE_ADDR MX1_RTC_BASE_ADDR
+#define LCDC_BASE_ADDR MX1_LCDC_BASE_ADDR
+#define UART1_BASE_ADDR MX1_UART1_BASE_ADDR
+#define UART2_BASE_ADDR MX1_UART2_BASE_ADDR
+#define PWM_BASE_ADDR MX1_PWM_BASE_ADDR
+#define DMA_BASE_ADDR MX1_DMA_BASE_ADDR
+#define AIPI2_BASE_ADDR MX1_AIPI2_BASE_ADDR
+#define SIM_BASE_ADDR MX1_SIM_BASE_ADDR
+#define USBD_BASE_ADDR MX1_USBD_BASE_ADDR
+#define SPI1_BASE_ADDR MX1_SPI1_BASE_ADDR
+#define MMC_BASE_ADDR MX1_MMC_BASE_ADDR
+#define ASP_BASE_ADDR MX1_ASP_BASE_ADDR
+#define BTA_BASE_ADDR MX1_BTA_BASE_ADDR
+#define I2C_BASE_ADDR MX1_I2C_BASE_ADDR
+#define SSI_BASE_ADDR MX1_SSI_BASE_ADDR
+#define SPI2_BASE_ADDR MX1_SPI2_BASE_ADDR
+#define MSHC_BASE_ADDR MX1_MSHC_BASE_ADDR
+#define CCM_BASE_ADDR MX1_CCM_BASE_ADDR
+#define SCM_BASE_ADDR MX1_SCM_BASE_ADDR
+#define GPIO_BASE_ADDR MX1_GPIO_BASE_ADDR
+#define EIM_BASE_ADDR MX1_EIM_BASE_ADDR
+#define SDRAMC_BASE_ADDR MX1_SDRAMC_BASE_ADDR
+#define MMA_BASE_ADDR MX1_MMA_BASE_ADDR
+#define AVIC_BASE_ADDR MX1_AVIC_BASE_ADDR
+#define CSI_BASE_ADDR MX1_CSI_BASE_ADDR
+#define IO_ADDRESS(x) MX1_IO_ADDRESS(x)
+#define AVIC_IO_ADDRESS(x) IO_ADDRESS(x)
+#define INT_SOFTINT MX1_INT_SOFTINT
+#define CSI_INT MX1_CSI_INT
+#define DSPA_MAC_INT MX1_DSPA_MAC_INT
+#define DSPA_INT MX1_DSPA_INT
+#define COMP_INT MX1_COMP_INT
+#define MSHC_XINT MX1_MSHC_XINT
+#define GPIO_INT_PORTA MX1_GPIO_INT_PORTA
+#define GPIO_INT_PORTB MX1_GPIO_INT_PORTB
+#define GPIO_INT_PORTC MX1_GPIO_INT_PORTC
+#define LCDC_INT MX1_LCDC_INT
+#define SIM_INT MX1_SIM_INT
+#define SIM_DATA_INT MX1_SIM_DATA_INT
+#define RTC_INT MX1_RTC_INT
+#define RTC_SAMINT MX1_RTC_SAMINT
+#define UART2_MINT_PFERR MX1_UART2_MINT_PFERR
+#define UART2_MINT_RTS MX1_UART2_MINT_RTS
+#define UART2_MINT_DTR MX1_UART2_MINT_DTR
+#define UART2_MINT_UARTC MX1_UART2_MINT_UARTC
+#define UART2_MINT_TX MX1_UART2_MINT_TX
+#define UART2_MINT_RX MX1_UART2_MINT_RX
+#define UART1_MINT_PFERR MX1_UART1_MINT_PFERR
+#define UART1_MINT_RTS MX1_UART1_MINT_RTS
+#define UART1_MINT_DTR MX1_UART1_MINT_DTR
+#define UART1_MINT_UARTC MX1_UART1_MINT_UARTC
+#define UART1_MINT_TX MX1_UART1_MINT_TX
+#define UART1_MINT_RX MX1_UART1_MINT_RX
+#define VOICE_DAC_INT MX1_VOICE_DAC_INT
+#define VOICE_ADC_INT MX1_VOICE_ADC_INT
+#define PEN_DATA_INT MX1_PEN_DATA_INT
+#define PWM_INT MX1_PWM_INT
+#define SDHC_INT MX1_SDHC_INT
+#define I2C_INT MX1_I2C_INT
+#define CSPI_INT MX1_CSPI_INT
+#define SSI_TX_INT MX1_SSI_TX_INT
+#define SSI_TX_ERR_INT MX1_SSI_TX_ERR_INT
+#define SSI_RX_INT MX1_SSI_RX_INT
+#define SSI_RX_ERR_INT MX1_SSI_RX_ERR_INT
+#define TOUCH_INT MX1_TOUCH_INT
+#define USBD_INT1 MX1_USBD_INT1
+#define USBD_INT2 MX1_USBD_INT2
+#define USBD_INT3 MX1_USBD_INT3
+#define USBD_INT4 MX1_USBD_INT4
+#define USBD_INT5 MX1_USBD_INT5
+#define USBD_INT6 MX1_USBD_INT6
+#define BTSYS_INT MX1_BTSYS_INT
+#define BTTIM_INT MX1_BTTIM_INT
+#define BTWUI_INT MX1_BTWUI_INT
+#define TIM2_INT MX1_TIM2_INT
+#define TIM1_INT MX1_TIM1_INT
+#define DMA_ERR MX1_DMA_ERR
+#define DMA_INT MX1_DMA_INT
+#define GPIO_INT_PORTD MX1_GPIO_INT_PORTD
+#define WDT_INT MX1_WDT_INT
+#define DMA_REQ_UART3_T MX1_DMA_REQ_UART3_T
+#define DMA_REQ_UART3_R MX1_DMA_REQ_UART3_R
+#define DMA_REQ_SSI2_T MX1_DMA_REQ_SSI2_T
+#define DMA_REQ_SSI2_R MX1_DMA_REQ_SSI2_R
+#define DMA_REQ_CSI_STAT MX1_DMA_REQ_CSI_STAT
+#define DMA_REQ_CSI_R MX1_DMA_REQ_CSI_R
+#define DMA_REQ_MSHC MX1_DMA_REQ_MSHC
+#define DMA_REQ_DSPA_DCT_DOUT MX1_DMA_REQ_DSPA_DCT_DOUT
+#define DMA_REQ_DSPA_DCT_DIN MX1_DMA_REQ_DSPA_DCT_DIN
+#define DMA_REQ_DSPA_MAC MX1_DMA_REQ_DSPA_MAC
+#define DMA_REQ_EXT MX1_DMA_REQ_EXT
+#define DMA_REQ_SDHC MX1_DMA_REQ_SDHC
+#define DMA_REQ_SPI1_R MX1_DMA_REQ_SPI1_R
+#define DMA_REQ_SPI1_T MX1_DMA_REQ_SPI1_T
+#define DMA_REQ_SSI_T MX1_DMA_REQ_SSI_T
+#define DMA_REQ_SSI_R MX1_DMA_REQ_SSI_R
+#define DMA_REQ_ASP_DAC MX1_DMA_REQ_ASP_DAC
+#define DMA_REQ_ASP_ADC MX1_DMA_REQ_ASP_ADC
+#define DMA_REQ_USP_EP(x) MX1_DMA_REQ_USP_EP(x)
+#define DMA_REQ_SPI2_R MX1_DMA_REQ_SPI2_R
+#define DMA_REQ_SPI2_T MX1_DMA_REQ_SPI2_T
+#define DMA_REQ_UART2_T MX1_DMA_REQ_UART2_T
+#define DMA_REQ_UART2_R MX1_DMA_REQ_UART2_R
+#define DMA_REQ_UART1_T MX1_DMA_REQ_UART1_T
+#define DMA_REQ_UART1_R MX1_DMA_REQ_UART1_R
+#endif /* ifdef IMX_NEEDS_DEPRECATED_SYMBOLS */
+
+#endif /* ifndef __MACH_MX1_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx21-usbhost.h b/arch/arm/plat-mxc/include/mach/mx21-usbhost.h
new file mode 100644
index 000000000000..22d0b596262c
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/mx21-usbhost.h
@@ -0,0 +1,38 @@
+/*
+ *	Copyright (C) 2009 Martin Fuzzey <mfuzzey@gmail.com>
+ *
+ *	This program is free software; you can redistribute it and/or modify
+ *	it under the terms of the GNU General Public License as published by
+ *	the Free Software Foundation; either version 2 of the License, or
+ *	(at your option) any later version.
+ *
+ *	This program is distributed in the hope that it will be useful,
+ *	but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *	GNU General Public License for more details.
+ */
+
+#ifndef __ASM_ARCH_MX21_USBH
+#define __ASM_ARCH_MX21_USBH
+
+enum mx21_usbh_xcvr {
+	/* Values below as used by hardware (HWMODE register) */
+	MX21_USBXCVR_TXDIF_RXDIF = 0,
+	MX21_USBXCVR_TXDIF_RXSE = 1,
+	MX21_USBXCVR_TXSE_RXDIF = 2,
+	MX21_USBXCVR_TXSE_RXSE = 3,
+};
+
+struct mx21_usbh_platform_data {
+	enum mx21_usbh_xcvr host_xcvr; /* tranceiver mode host 1,2 ports */
+	enum mx21_usbh_xcvr otg_xcvr; /* tranceiver mode otg (as host) port */
+	u16 	enable_host1:1,
+		enable_host2:1,
+		enable_otg_host:1, /* enable "OTG" port (as host) */
+		host1_xcverless:1, /* traceiverless host1 port */
+		host1_txenoe:1, /* output enable host1 transmit enable */
+		otg_ext_xcvr:1, /* external tranceiver for OTG port */
+		unused:10;
+};
+
+#endif /* __ASM_ARCH_MX21_USBH */
diff --git a/arch/arm/plat-mxc/include/mach/mx21.h b/arch/arm/plat-mxc/include/mach/mx21.h
index bb297d8765a7..ed98b9c9f389 100644
--- a/arch/arm/plat-mxc/include/mach/mx21.h
+++ b/arch/arm/plat-mxc/include/mach/mx21.h
@@ -22,8 +22,8 @@
  * MA  02110-1301, USA.
  */
 
-#ifndef __ASM_ARCH_MXC_MX21_H__
-#define __ASM_ARCH_MXC_MX21_H__
+#ifndef __MACH_MX21_H__
+#define __MACH_MX21_H__
 
 #define MX21_AIPI_BASE_ADDR		0x10000000
 #define MX21_AIPI_BASE_ADDR_VIRT	0xf4000000
@@ -92,6 +92,11 @@
 
 #define MX21_IRAM_BASE_ADDR		0xffffe800	/* internal ram */
 
+#define MX21_IO_ADDRESS(x) (						\
+	IMX_IO_ADDRESS(x, MX21_AIPI) ?:					\
+	IMX_IO_ADDRESS(x, MX21_SAHB1) ?:				\
+	IMX_IO_ADDRESS(x, MX21_X_MEMC))
+
 /* fixed interrupt numbers */
 #define MX21_INT_CSPI3		6
 #define MX21_INT_GPIO		8
@@ -179,6 +184,7 @@
 #define MX21_DMA_REQ_CSI_STAT	30
 #define MX21_DMA_REQ_CSI_RX	31
 
+#ifdef IMX_NEEDS_DEPRECATED_SYMBOLS
 /* these should go away */
 #define SDRAM_BASE_ADDR MX21_SDRAM_BASE_ADDR
 #define CSD1_BASE_ADDR MX21_CSD1_BASE_ADDR
@@ -211,5 +217,6 @@
 #define DMA_REQ_FIRI_RX MX21_DMA_REQ_FIRI_RX
 #define DMA_REQ_BMI_TX MX21_DMA_REQ_BMI_TX
 #define DMA_REQ_BMI_RX MX21_DMA_REQ_BMI_RX
+#endif
 
-#endif /* __ASM_ARCH_MXC_MX21_H__ */
+#endif /* ifndef __MACH_MX21_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx25.h b/arch/arm/plat-mxc/include/mach/mx25.h
index 854e2dc58481..4eb6e334bda5 100644
--- a/arch/arm/plat-mxc/include/mach/mx25.h
+++ b/arch/arm/plat-mxc/include/mach/mx25.h
@@ -22,27 +22,27 @@
 #define MX25_GPIO3_BASE_ADDR_VIRT	(MX25_AIPS2_BASE_ADDR_VIRT + 0xa4000)
 #define MX25_GPIO4_BASE_ADDR_VIRT	(MX25_AIPS2_BASE_ADDR_VIRT + 0x9c000)
 
-#define MX25_AIPS1_IO_ADDRESS(x)  \
-	(((x) - MX25_AIPS1_BASE_ADDR) + MX25_AIPS1_BASE_ADDR_VIRT)
-#define MX25_AIPS2_IO_ADDRESS(x)  \
-	(((x) - MX25_AIPS2_BASE_ADDR) + MX25_AIPS2_BASE_ADDR_VIRT)
-#define MX25_AVIC_IO_ADDRESS(x)  \
-	(((x) - MX25_AVIC_BASE_ADDR) + MX25_AVIC_BASE_ADDR_VIRT)
+#define MX25_IO_ADDRESS(x) (					\
+	IMX_IO_ADDRESS(x, MX25_AIPS1) ?:			\
+	IMX_IO_ADDRESS(x, MX25_AIPS2) ?:			\
+	IMX_IO_ADDRESS(x, MX25_AVIC))
 
-#define __in_range(addr, name)	((addr) >= name##_BASE_ADDR && (addr) < name##_BASE_ADDR + name##_SIZE)
-
-#define MX25_IO_ADDRESS(x)					\
-	(void __force __iomem *)				\
-	(__in_range(x, MX25_AIPS1) ? MX25_AIPS1_IO_ADDRESS(x) :	\
-	__in_range(x, MX25_AIPS2) ? MX25_AIPS2_IO_ADDRESS(x) :	\
-	__in_range(x, MX25_AVIC) ? MX25_AVIC_IO_ADDRESS(x) :	\
-	0xDEADBEEF)
-
-#define UART1_BASE_ADDR			0x43f90000
-#define UART2_BASE_ADDR			0x43f94000
+#define MX25_UART1_BASE_ADDR		0x43f90000
+#define MX25_UART2_BASE_ADDR		0x43f94000
 
 #define MX25_FEC_BASE_ADDR		0x50038000
+#define MX25_NFC_BASE_ADDR		0xbb000000
+#define MX25_DRYICE_BASE_ADDR		0x53ffc000
+#define MX25_LCDC_BASE_ADDR		0x53fbc000
 
+#define MX25_INT_DRYICE	25
 #define MX25_INT_FEC	57
+#define MX25_INT_NANDFC	33
+#define MX25_INT_LCDC	39
+
+#if defined(IMX_NEEDS_DEPRECATED_SYMBOLS)
+#define UART1_BASE_ADDR			MX25_UART1_BASE_ADDR
+#define UART2_BASE_ADDR			MX25_UART2_BASE_ADDR
+#endif
 
-#endif /* __MACH_MX25_H__ */
+#endif /* ifndef __MACH_MX25_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx27.h b/arch/arm/plat-mxc/include/mach/mx27.h
index e2ae19f51710..bae9cd75beee 100644
--- a/arch/arm/plat-mxc/include/mach/mx27.h
+++ b/arch/arm/plat-mxc/include/mach/mx27.h
@@ -21,8 +21,12 @@
  * MA  02110-1301, USA.
  */
 
-#ifndef __ASM_ARCH_MXC_MX27_H__
-#define __ASM_ARCH_MXC_MX27_H__
+#ifndef __MACH_MX27_H__
+#define __MACH_MX27_H__
+
+#ifndef __ASSEMBLER__
+#include <linux/io.h>
+#endif
 
 #define MX27_AIPI_BASE_ADDR		0x10000000
 #define MX27_AIPI_BASE_ADDR_VIRT	0xf4000000
@@ -109,11 +113,31 @@
 #define MX27_M3IF_BASE_ADDR			(MX27_X_MEMC_BASE_ADDR + 0x3000)
 #define MX27_PCMCIA_CTL_BASE_ADDR		(MX27_X_MEMC_BASE_ADDR + 0x4000)
 
+#define MX27_WEIM_CSCRx_BASE_ADDR(cs)	(MX27_WEIM_BASE_ADDR + (cs) * 0x10)
+#define MX27_WEIM_CSCRxU(cs)			(MX27_WEIM_CSCRx_BASE_ADDR(cs))
+#define MX27_WEIM_CSCRxL(cs)			(MX27_WEIM_CSCRx_BASE_ADDR(cs) + 0x4)
+#define MX27_WEIM_CSCRxA(cs)			(MX27_WEIM_CSCRx_BASE_ADDR(cs) + 0x8)
+
 #define MX27_PCMCIA_MEM_BASE_ADDR	0xdc000000
 
 /* IRAM */
 #define MX27_IRAM_BASE_ADDR		0xffff4c00	/* internal ram */
 
+#define MX27_IO_ADDRESS(x) (						\
+	IMX_IO_ADDRESS(x, MX27_AIPI) ?:					\
+	IMX_IO_ADDRESS(x, MX27_SAHB1) ?:				\
+	IMX_IO_ADDRESS(x, MX27_X_MEMC))
+
+#ifndef __ASSEMBLER__
+static inline void mx27_setup_weimcs(size_t cs,
+		unsigned upper, unsigned lower, unsigned addional)
+{
+	__raw_writel(upper, MX27_IO_ADDRESS(MX27_WEIM_CSCRxU(cs)));
+	__raw_writel(lower, MX27_IO_ADDRESS(MX27_WEIM_CSCRxL(cs)));
+	__raw_writel(addional, MX27_IO_ADDRESS(MX27_WEIM_CSCRxA(cs)));
+}
+#endif
+
 /* fixed interrupt numbers */
 #define MX27_INT_I2C2		1
 #define MX27_INT_GPT6		2
@@ -225,6 +249,7 @@
 extern int mx27_revision(void);
 #endif
 
+#ifdef IMX_NEEDS_DEPRECATED_SYMBOLS
 /* these should go away */
 #define MSHC_BASE_ADDR MX27_MSHC_BASE_ADDR
 #define GPT5_BASE_ADDR MX27_GPT5_BASE_ADDR
@@ -292,5 +317,6 @@ extern int mx27_revision(void);
 #define DMA_REQ_UART6_RX MX27_DMA_REQ_UART6_RX
 #define DMA_REQ_SDHC3 MX27_DMA_REQ_SDHC3
 #define DMA_REQ_NFC MX27_DMA_REQ_NFC
+#endif
 
-#endif /* __ASM_ARCH_MXC_MX27_H__ */
+#endif /* ifndef __MACH_MX27_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx2x.h b/arch/arm/plat-mxc/include/mach/mx2x.h
index f2eaf140ed02..afb895a0b5b8 100644
--- a/arch/arm/plat-mxc/include/mach/mx2x.h
+++ b/arch/arm/plat-mxc/include/mach/mx2x.h
@@ -20,8 +20,8 @@
  * MA  02110-1301, USA.
  */
 
-#ifndef __ASM_ARCH_MXC_MX2x_H__
-#define __ASM_ARCH_MXC_MX2x_H__
+#ifndef __MACH_MX2x_H__
+#define __MACH_MX2x_H__
 
 /* The following addresses are common between i.MX21 and i.MX27 */
 
@@ -176,6 +176,7 @@
 #define MX2x_DMA_REQ_CSI_STAT	30
 #define MX2x_DMA_REQ_CSI_RX	31
 
+#ifdef IMX_NEEDS_DEPRECATED_SYMBOLS
 /* these should go away */
 #define AIPI_BASE_ADDR MX2x_AIPI_BASE_ADDR
 #define AIPI_BASE_ADDR_VIRT MX2x_AIPI_BASE_ADDR_VIRT
@@ -287,5 +288,6 @@
 #define DMA_REQ_UART1_TX MX2x_DMA_REQ_UART1_TX
 #define DMA_REQ_CSI_STAT MX2x_DMA_REQ_CSI_STAT
 #define DMA_REQ_CSI_RX MX2x_DMA_REQ_CSI_RX
+#endif
 
-#endif /* __ASM_ARCH_MXC_MX2x_H__ */
+#endif /* ifndef __MACH_MX2x_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx31.h b/arch/arm/plat-mxc/include/mach/mx31.h
index b8b47d139eb5..fb90e119c2b5 100644
--- a/arch/arm/plat-mxc/include/mach/mx31.h
+++ b/arch/arm/plat-mxc/include/mach/mx31.h
@@ -1,3 +1,10 @@
+#ifndef __MACH_MX31_H__
+#define __MACH_MX31_H__
+
+#ifndef __ASSEMBLER__
+#include <linux/io.h>
+#endif
+
 /*
  * IRAM
  */
@@ -107,8 +114,30 @@
 #define MX31_EMI_CTL_BASE_ADDR			(MX31_X_MEMC_BASE_ADDR + 0x4000)
 #define MX31_PCMCIA_CTL_BASE_ADDR		MX31_EMI_CTL_BASE_ADDR
 
+#define MX31_WEIM_CSCRx_BASE_ADDR(cs)	(MX31_WEIM_BASE_ADDR + (cs) * 0x10)
+#define MX31_WEIM_CSCRxU(cs)			(MX31_WEIM_CSCRx_BASE_ADDR(cs))
+#define MX31_WEIM_CSCRxL(cs)			(MX31_WEIM_CSCRx_BASE_ADDR(cs) + 0x4)
+#define MX31_WEIM_CSCRxA(cs)			(MX31_WEIM_CSCRx_BASE_ADDR(cs) + 0x8)
+
 #define MX31_PCMCIA_MEM_BASE_ADDR	0xbc000000
 
+#define MX31_IO_ADDRESS(x) (						\
+	IMX_IO_ADDRESS(x, MX31_AIPS1) ?:				\
+	IMX_IO_ADDRESS(x, MX31_AIPS2) ?:				\
+	IMX_IO_ADDRESS(x, MX31_AVIC) ?:					\
+	IMX_IO_ADDRESS(x, MX31_X_MEMC) ?:				\
+	IMX_IO_ADDRESS(x, MX31_SPBA0))
+
+#ifndef __ASSEMBLER__
+static inline void mx31_setup_weimcs(size_t cs,
+		unsigned upper, unsigned lower, unsigned addional)
+{
+	__raw_writel(upper, MX31_IO_ADDRESS(MX31_WEIM_CSCRxU(cs)));
+	__raw_writel(lower, MX31_IO_ADDRESS(MX31_WEIM_CSCRxL(cs)));
+	__raw_writel(addional, MX31_IO_ADDRESS(MX31_WEIM_CSCRxA(cs)));
+}
+#endif
+
 #define MX31_INT_I2C3		3
 #define MX31_INT_I2C2		4
 #define MX31_INT_MPEG4_ENCODER	5
@@ -186,6 +215,7 @@
 #define MX31_SYSTEM_REV_MIN		MX31_CHIP_REV_1_0
 #define MX31_SYSTEM_REV_NUM		3
 
+#ifdef IMX_NEEDS_DEPRECATED_SYMBOLS
 /* these should go away */
 #define ATA_BASE_ADDR MX31_ATA_BASE_ADDR
 #define UART4_BASE_ADDR MX31_UART4_BASE_ADDR
@@ -216,3 +246,6 @@
 #define MXC_INT_UART5 MX31_INT_UART5
 #define MXC_INT_CCM MX31_INT_CCM
 #define MXC_INT_PCMCIA MX31_INT_PCMCIA
+#endif
+
+#endif /* ifndef __MACH_MX31_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx35.h b/arch/arm/plat-mxc/include/mach/mx35.h
index af871bce35b6..526a55842ae5 100644
--- a/arch/arm/plat-mxc/include/mach/mx35.h
+++ b/arch/arm/plat-mxc/include/mach/mx35.h
@@ -1,3 +1,5 @@
+#ifndef __MACH_MX35_H__
+#define __MACH_MX35_H__
 /*
  * IRAM
  */
@@ -104,6 +106,13 @@
 #define MX35_NFC_BASE_ADDR		0xbb000000
 #define MX35_PCMCIA_MEM_BASE_ADDR	0xbc000000
 
+#define MX35_IO_ADDRESS(x) (						\
+	IMX_IO_ADDRESS(x, MX35_AIPS1) ?:				\
+	IMX_IO_ADDRESS(x, MX35_AIPS2) ?:				\
+	IMX_IO_ADDRESS(x, MX35_AVIC) ?:					\
+	IMX_IO_ADDRESS(x, MX35_X_MEMC) ?:				\
+	IMX_IO_ADDRESS(x, MX35_SPBA0))
+
 /*
  * Interrupt numbers
  */
@@ -180,6 +189,7 @@
 #define MX35_SYSTEM_REV_MIN		MX35_CHIP_REV_1_0
 #define MX35_SYSTEM_REV_NUM		3
 
+#ifdef IMX_NEEDS_DEPRECATED_SYMBOLS
 /* these should go away */
 #define MXC_FEC_BASE_ADDR MX35_FEC_BASE_ADDR
 #define MXC_INT_OWIRE MX35_INT_OWIRE
@@ -195,3 +205,6 @@
 #define MXC_INT_MLB MX35_INT_MLB
 #define MXC_INT_SPDIF MX35_INT_SPDIF
 #define MXC_INT_FEC MX35_INT_FEC
+#endif
+
+#endif /* ifndef __MACH_MX35_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx3x.h b/arch/arm/plat-mxc/include/mach/mx3x.h
index be69272407ad..7a356de385f5 100644
--- a/arch/arm/plat-mxc/include/mach/mx3x.h
+++ b/arch/arm/plat-mxc/include/mach/mx3x.h
@@ -8,8 +8,8 @@
  * published by the Free Software Foundation.
  */
 
-#ifndef __ASM_ARCH_MXC_MX31_H__
-#define __ASM_ARCH_MXC_MX31_H__
+#ifndef __MACH_MX3x_H__
+#define __MACH_MX3x_H__
 
 /*
  * MX31 memory map:
@@ -269,6 +269,7 @@ static inline int mx31_revision(void)
 }
 #endif
 
+#ifdef IMX_NEEDS_DEPRECATED_SYMBOLS
 /* these should go away */
 #define L2CC_BASE_ADDR MX3x_L2CC_BASE_ADDR
 #define L2CC_SIZE MX3x_L2CC_SIZE
@@ -401,5 +402,6 @@ static inline int mx31_revision(void)
 #define CHIP_REV_3_2 MX3x_CHIP_REV_3_2
 #define SYSTEM_REV_MIN MX3x_SYSTEM_REV_MIN
 #define SYSTEM_REV_NUM MX3x_SYSTEM_REV_NUM
+#endif
 
-#endif /*  __ASM_ARCH_MXC_MX31_H__ */
+#endif /* ifndef __MACH_MX3x_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mx51.h b/arch/arm/plat-mxc/include/mach/mx51.h
new file mode 100644
index 000000000000..771532b6b4a6
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/mx51.h
@@ -0,0 +1,454 @@
+#ifndef __ASM_ARCH_MXC_MX51_H__
+#define __ASM_ARCH_MXC_MX51_H__
+
+/*
+ * MX51 memory map:
+ *
+ *
+ * Virt		Phys		Size	What
+ * ---------------------------------------------------------------------------
+ * FA3E0000	1FFE0000	128K	IRAM (SCCv2 RAM)
+ *         	30000000	256M	GPU
+ *         	40000000	512M	IPU
+ * FA200000	60000000	1M	DEBUG
+ * FB100000	70000000	1M	SPBA 0
+ * FB000000	73F00000	1M	AIPS 1
+ * FB200000	83F00000	1M	AIPS 2
+ * FA100000	8FFFC000	16K	TZIC (interrupt controller)
+ *         	90000000	256M	CSD0 SDRAM/DDR
+ *         	A0000000	256M	CSD1 SDRAM/DDR
+ *         	B0000000	128M	CS0 Flash
+ *         	B8000000	128M	CS1 Flash
+ *         	C0000000	128M	CS2 Flash
+ *         	C8000000	64M	CS3 Flash
+ *         	CC000000	32M	CS4 SRAM
+ *         	CE000000	32M	CS5 SRAM
+ * F9000000	CFFF0000	64K	NFC (NAND Flash AXI)
+ *
+ */
+
+/*
+ * IRAM
+ */
+#define MX51_IRAM_BASE_ADDR		0x1FFE0000	/* internal ram */
+#define MX51_IRAM_BASE_ADDR_VIRT	0xFA3E0000
+#define MX51_IRAM_PARTITIONS		16
+#define MX51_IRAM_PARTITIONS_TO1	12
+#define MX51_IRAM_SIZE		(MX51_IRAM_PARTITIONS * SZ_8K)	/* 128KB */
+
+/*
+ * NFC
+ */
+#define MX51_NFC_AXI_BASE_ADDR		0xCFFF0000	/* NAND flash AXI */
+#define MX51_NFC_AXI_BASE_ADDR_VIRT	0xF9000000
+#define MX51_NFC_AXI_SIZE		SZ_64K
+
+/*
+ * Graphics Memory of GPU
+ */
+#define MX51_GPU_BASE_ADDR		0x20000000
+#define MX51_GPU2D_BASE_ADDR		0xD0000000
+
+#define MX51_TZIC_BASE_ADDR		0x8FFFC000
+#define MX51_TZIC_BASE_ADDR_VIRT	0xFA100000
+#define MX51_TZIC_SIZE			SZ_16K
+
+#define MX51_DEBUG_BASE_ADDR		0x60000000
+#define MX51_DEBUG_BASE_ADDR_VIRT	0xFA200000
+#define MX51_DEBUG_SIZE			SZ_1M
+#define MX51_ETB_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00001000)
+#define MX51_ETM_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00002000)
+#define MX51_TPIU_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00003000)
+#define MX51_CTI0_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00004000)
+#define MX51_CTI1_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00005000)
+#define MX51_CTI2_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00006000)
+#define MX51_CTI3_BASE_ADDR		(MX51_DEBUG_BASE_ADDR + 0x00007000)
+#define MX51_CORTEX_DBG_BASE_ADDR	(MX51_DEBUG_BASE_ADDR + 0x00008000)
+
+/*
+ * SPBA global module enabled #0
+ */
+#define MX51_SPBA0_BASE_ADDR 		0x70000000
+#define MX51_SPBA0_BASE_ADDR_VIRT	0xFB100000
+#define MX51_SPBA0_SIZE			SZ_1M
+
+#define MX51_MMC_SDHC1_BASE_ADDR	(MX51_SPBA0_BASE_ADDR + 0x00004000)
+#define MX51_MMC_SDHC2_BASE_ADDR	(MX51_SPBA0_BASE_ADDR + 0x00008000)
+#define MX51_UART3_BASE_ADDR 		(MX51_SPBA0_BASE_ADDR + 0x0000C000)
+#define MX51_CSPI1_BASE_ADDR 		(MX51_SPBA0_BASE_ADDR + 0x00010000)
+#define MX51_SSI2_BASE_ADDR		(MX51_SPBA0_BASE_ADDR + 0x00014000)
+#define MX51_MMC_SDHC3_BASE_ADDR	(MX51_SPBA0_BASE_ADDR + 0x00020000)
+#define MX51_MMC_SDHC4_BASE_ADDR	(MX51_SPBA0_BASE_ADDR + 0x00024000)
+#define MX51_SPDIF_BASE_ADDR		(MX51_SPBA0_BASE_ADDR + 0x00028000)
+#define MX51_ATA_DMA_BASE_ADDR		(MX51_SPBA0_BASE_ADDR + 0x00030000)
+#define MX51_SLIM_DMA_BASE_ADDR		(MX51_SPBA0_BASE_ADDR + 0x00034000)
+#define MX51_HSI2C_DMA_BASE_ADDR	(MX51_SPBA0_BASE_ADDR + 0x00038000)
+#define MX51_SPBA_CTRL_BASE_ADDR	(MX51_SPBA0_BASE_ADDR + 0x0003C000)
+
+/*
+ * defines for SPBA modules
+ */
+#define MX51_SPBA_SDHC1	0x04
+#define MX51_SPBA_SDHC2	0x08
+#define MX51_SPBA_UART3	0x0C
+#define MX51_SPBA_CSPI1	0x10
+#define MX51_SPBA_SSI2	0x14
+#define MX51_SPBA_SDHC3	0x20
+#define MX51_SPBA_SDHC4	0x24
+#define MX51_SPBA_SPDIF	0x28
+#define MX51_SPBA_ATA	0x30
+#define MX51_SPBA_SLIM	0x34
+#define MX51_SPBA_HSI2C	0x38
+#define MX51_SPBA_CTRL	0x3C
+
+/*
+ * AIPS 1
+ */
+#define MX51_AIPS1_BASE_ADDR 	0x73F00000
+#define MX51_AIPS1_BASE_ADDR_VIRT	0xFB000000
+#define MX51_AIPS1_SIZE		SZ_1M
+
+#define MX51_OTG_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x00080000)
+#define MX51_GPIO1_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x00084000)
+#define MX51_GPIO2_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x00088000)
+#define MX51_GPIO3_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x0008C000)
+#define MX51_GPIO4_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x00090000)
+#define MX51_KPP_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x00094000)
+#define MX51_WDOG_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x00098000)
+#define MX51_WDOG2_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x0009C000)
+#define MX51_GPT1_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000A0000)
+#define MX51_SRTC_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000A4000)
+#define MX51_IOMUXC_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000A8000)
+#define MX51_EPIT1_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000AC000)
+#define MX51_EPIT2_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000B0000)
+#define MX51_PWM1_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000B4000)
+#define MX51_PWM2_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000B8000)
+#define MX51_UART1_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000BC000)
+#define MX51_UART2_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000C0000)
+#define MX51_SRC_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000D0000)
+#define MX51_CCM_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000D4000)
+#define MX51_GPC_BASE_ADDR	(MX51_AIPS1_BASE_ADDR + 0x000D8000)
+
+/*
+ * Defines for modules using static and dynamic DMA channels
+ */
+#define MX51_MXC_DMA_CHANNEL_IRAM	30
+#define MX51_MXC_DMA_CHANNEL_SPDIF_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_UART1_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_UART1_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_UART2_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_UART2_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_UART3_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_UART3_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_MMC1	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_MMC2	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_SSI1_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_SSI1_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_SSI2_RX	MXC_DMA_DYNAMIC_CHANNEL
+#ifdef CONFIG_SDMA_IRAM
+#define MX51_MXC_DMA_CHANNEL_SSI2_TX	(MX51_MXC_DMA_CHANNEL_IRAM + 1)
+#else				/*CONFIG_SDMA_IRAM */
+#define MX51_MXC_DMA_CHANNEL_SSI2_TX	MXC_DMA_DYNAMIC_CHANNEL
+#endif				/*CONFIG_SDMA_IRAM */
+#define MX51_MXC_DMA_CHANNEL_CSPI1_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_CSPI1_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_CSPI2_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_CSPI2_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_CSPI3_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_CSPI3_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_ATA_RX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_ATA_TX	MXC_DMA_DYNAMIC_CHANNEL
+#define MX51_MXC_DMA_CHANNEL_MEMORY	MXC_DMA_DYNAMIC_CHANNEL
+
+/*
+ * AIPS 2
+ */
+#define MX51_AIPS2_BASE_ADDR		0x83F00000
+#define MX51_AIPS2_BASE_ADDR_VIRT	0xFB200000
+#define MX51_AIPS2_SIZE			SZ_1M
+
+#define MX51_PLL1_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x00080000)
+#define MX51_PLL2_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x00084000)
+#define MX51_PLL3_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x00088000)
+#define MX51_AHBMAX_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x00094000)
+#define MX51_IIM_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x00098000)
+#define MX51_CSU_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x0009C000)
+#define MX51_ARM_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000A0000)
+#define MX51_OWIRE_BASE_ADDR 	(MX51_AIPS2_BASE_ADDR + 0x000A4000)
+#define MX51_FIRI_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000A8000)
+#define MX51_CSPI2_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000AC000)
+#define MX51_SDMA_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000B0000)
+#define MX51_SCC_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000B4000)
+#define MX51_ROMCP_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000B8000)
+#define MX51_RTIC_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000BC000)
+#define MX51_CSPI3_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000C0000)
+#define MX51_I2C2_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000C4000)
+#define MX51_I2C1_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000C8000)
+#define MX51_SSI1_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000CC000)
+#define MX51_AUDMUX_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000D0000)
+#define MX51_M4IF_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000D8000)
+#define MX51_ESDCTL_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000D9000)
+#define MX51_WEIM_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000DA000)
+#define MX51_NFC_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000DB000)
+#define MX51_EMI_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000DBF00)
+#define MX51_MIPI_HSC_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000DC000)
+#define MX51_ATA_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000E0000)
+#define MX51_SIM_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000E4000)
+#define MX51_SSI3BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000E8000)
+#define MX51_MXC_FEC_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000EC000)
+#define MX51_TVE_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000F0000)
+#define MX51_VPU_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000F4000)
+#define MX51_SAHARA_BASE_ADDR	(MX51_AIPS2_BASE_ADDR + 0x000F8000)
+
+/*
+ * Memory regions and CS
+ */
+#define MX51_GPU_CTRL_BASE_ADDR		0x30000000
+#define MX51_IPU_CTRL_BASE_ADDR		0x40000000
+#define MX51_CSD0_BASE_ADDR		0x90000000
+#define MX51_CSD1_BASE_ADDR		0xA0000000
+#define MX51_CS0_BASE_ADDR		0xB0000000
+#define MX51_CS1_BASE_ADDR		0xB8000000
+#define MX51_CS2_BASE_ADDR		0xC0000000
+#define MX51_CS3_BASE_ADDR		0xC8000000
+#define MX51_CS4_BASE_ADDR		0xCC000000
+#define MX51_CS5_BASE_ADDR		0xCE000000
+
+/* Does given address belongs to the specified memory region? */
+#define ADDRESS_IN_REGION(addr, start, size)			\
+	(((addr) >= (start)) && ((addr) < (start)+(size)))
+
+/* Does given address belongs to the specified named `module'? */
+#define MX51_IS_MODULE(addr, module)			       \
+	ADDRESS_IN_REGION(addr, MX51_ ## module ## _BASE_ADDR, \
+				MX51_ ## module ## _SIZE)
+/*
+ * This macro defines the physical to virtual address mapping for all the
+ * peripheral modules. It is used by passing in the physical address as x
+ * and returning the virtual address. If the physical address is not mapped,
+ * it returns 0xDEADBEEF
+ */
+
+#define MX51_IO_ADDRESS(x)					\
+	(void __iomem *)					\
+	(MX51_IS_MODULE(x, IRAM) ? MX51_IRAM_IO_ADDRESS(x) :	\
+	MX51_IS_MODULE(x, TZIC) ? MX51_TZIC_IO_ADDRESS(x) :	\
+	MX51_IS_MODULE(x, DEBUG) ? MX51_DEBUG_IO_ADDRESS(x) :	\
+	MX51_IS_MODULE(x, SPBA0) ? MX51_SPBA0_IO_ADDRESS(x) :	\
+	MX51_IS_MODULE(x, AIPS1) ? MX51_AIPS1_IO_ADDRESS(x) :	\
+	MX51_IS_MODULE(x, AIPS2) ? MX51_AIPS2_IO_ADDRESS(x) :	\
+	MX51_IS_MODULE(x, NFC_AXI) ? MX51_NFC_AXI_IO_ADDRESS(x) : \
+	0xDEADBEEF)
+
+/*
+ * define the address mapping macros: in physical address order
+ */
+#define MX51_IRAM_IO_ADDRESS(x)  \
+	(((x) - MX51_IRAM_BASE_ADDR) + MX51_IRAM_BASE_ADDR_VIRT)
+
+#define MX51_TZIC_IO_ADDRESS(x)  \
+	(((x) - MX51_TZIC_BASE_ADDR) + MX51_TZIC_BASE_ADDR_VIRT)
+
+#define MX51_DEBUG_IO_ADDRESS(x)  \
+	(((x) - MX51_DEBUG_BASE_ADDR) + MX51_DEBUG_BASE_ADDR_VIRT)
+
+#define MX51_SPBA0_IO_ADDRESS(x)  \
+	(((x) - MX51_SPBA0_BASE_ADDR) + MX51_SPBA0_BASE_ADDR_VIRT)
+
+#define MX51_AIPS1_IO_ADDRESS(x)  \
+	(((x) - MX51_AIPS1_BASE_ADDR) + MX51_AIPS1_BASE_ADDR_VIRT)
+
+#define MX51_AIPS2_IO_ADDRESS(x)  \
+	(((x) - MX51_AIPS2_BASE_ADDR) + MX51_AIPS2_BASE_ADDR_VIRT)
+
+#define MX51_NFC_AXI_IO_ADDRESS(x) \
+	(((x) - MX51_NFC_AXI_BASE_ADDR) + MX51_NFC_AXI_BASE_ADDR_VIRT)
+
+#define MX51_IS_MEM_DEVICE_NONSHARED(x)		0
+
+/*
+ * DMA request assignments
+ */
+#define MX51_DMA_REQ_SSI3_TX1	47
+#define MX51_DMA_REQ_SSI3_RX1	46
+#define MX51_DMA_REQ_SPDIF	45
+#define MX51_DMA_REQ_UART3_TX	44
+#define MX51_DMA_REQ_UART3_RX	43
+#define MX51_DMA_REQ_SLIM_B_TX	42
+#define MX51_DMA_REQ_SDHC4	41
+#define MX51_DMA_REQ_SDHC3	40
+#define MX51_DMA_REQ_CSPI_TX	39
+#define MX51_DMA_REQ_CSPI_RX	38
+#define MX51_DMA_REQ_SSI3_TX2	37
+#define MX51_DMA_REQ_IPU	36
+#define MX51_DMA_REQ_SSI3_RX2	35
+#define MX51_DMA_REQ_EPIT2	34
+#define MX51_DMA_REQ_CTI2_1	33
+#define MX51_DMA_REQ_EMI_WR	32
+#define MX51_DMA_REQ_CTI2_0	31
+#define MX51_DMA_REQ_EMI_RD	30
+#define MX51_DMA_REQ_SSI1_TX1	29
+#define MX51_DMA_REQ_SSI1_RX1	28
+#define MX51_DMA_REQ_SSI1_TX2	27
+#define MX51_DMA_REQ_SSI1_RX2	26
+#define MX51_DMA_REQ_SSI2_TX1	25
+#define MX51_DMA_REQ_SSI2_RX1	24
+#define MX51_DMA_REQ_SSI2_TX2	23
+#define MX51_DMA_REQ_SSI2_RX2	22
+#define MX51_DMA_REQ_SDHC2	21
+#define MX51_DMA_REQ_SDHC1	20
+#define MX51_DMA_REQ_UART1_TX	19
+#define MX51_DMA_REQ_UART1_RX	18
+#define MX51_DMA_REQ_UART2_TX	17
+#define MX51_DMA_REQ_UART2_RX	16
+#define MX51_DMA_REQ_GPU	15
+#define MX51_DMA_REQ_EXTREQ1	14
+#define MX51_DMA_REQ_FIRI_TX	13
+#define MX51_DMA_REQ_FIRI_RX	12
+#define MX51_DMA_REQ_HS_I2C_RX	11
+#define MX51_DMA_REQ_HS_I2C_TX	10
+#define MX51_DMA_REQ_CSPI2_TX	9
+#define MX51_DMA_REQ_CSPI2_RX	8
+#define MX51_DMA_REQ_CSPI1_TX	7
+#define MX51_DMA_REQ_CSPI1_RX	6
+#define MX51_DMA_REQ_SLIM_B	5
+#define MX51_DMA_REQ_ATA_TX_END	4
+#define MX51_DMA_REQ_ATA_TX	3
+#define MX51_DMA_REQ_ATA_RX	2
+#define MX51_DMA_REQ_GPC	1
+#define MX51_DMA_REQ_VPU	0
+
+/*
+ * Interrupt numbers
+ */
+#define MX51_MXC_INT_BASE	0
+#define MX51_MXC_INT_RESV0	0
+#define MX51_MXC_INT_MMC_SDHC1	1
+#define MX51_MXC_INT_MMC_SDHC2	2
+#define MX51_MXC_INT_MMC_SDHC3	3
+#define MX51_MXC_INT_MMC_SDHC4	4
+#define MX51_MXC_INT_RESV5	5
+#define MX51_MXC_INT_SDMA	6
+#define MX51_MXC_INT_IOMUX	7
+#define MX51_MXC_INT_NFC	8
+#define MX51_MXC_INT_VPU	9
+#define MX51_MXC_INT_IPU_ERR	10
+#define MX51_MXC_INT_IPU_SYN	11
+#define MX51_MXC_INT_GPU	12
+#define MX51_MXC_INT_RESV13	13
+#define MX51_MXC_INT_USB_H1	14
+#define MX51_MXC_INT_EMI	15
+#define MX51_MXC_INT_USB_H2	16
+#define MX51_MXC_INT_USB_H3	17
+#define MX51_MXC_INT_USB_OTG	18
+#define MX51_MXC_INT_SAHARA_H0	19
+#define MX51_MXC_INT_SAHARA_H1	20
+#define MX51_MXC_INT_SCC_SMN	21
+#define MX51_MXC_INT_SCC_STZ	22
+#define MX51_MXC_INT_SCC_SCM	23
+#define MX51_MXC_INT_SRTC_NTZ	24
+#define MX51_MXC_INT_SRTC_TZ	25
+#define MX51_MXC_INT_RTIC	26
+#define MX51_MXC_INT_CSU	27
+#define MX51_MXC_INT_SLIM_B	28
+#define MX51_MXC_INT_SSI1	29
+#define MX51_MXC_INT_SSI2	30
+#define MX51_MXC_INT_UART1	31
+#define MX51_MXC_INT_UART2	32
+#define MX51_MXC_INT_UART3	33
+#define MX51_MXC_INT_RESV34	34
+#define MX51_MXC_INT_RESV35	35
+#define MX51_MXC_INT_CSPI1	36
+#define MX51_MXC_INT_CSPI2	37
+#define MX51_MXC_INT_CSPI	38
+#define MX51_MXC_INT_GPT	39
+#define MX51_MXC_INT_EPIT1	40
+#define MX51_MXC_INT_EPIT2	41
+#define MX51_MXC_INT_GPIO1_INT7	42
+#define MX51_MXC_INT_GPIO1_INT6	43
+#define MX51_MXC_INT_GPIO1_INT5	44
+#define MX51_MXC_INT_GPIO1_INT4	45
+#define MX51_MXC_INT_GPIO1_INT3	46
+#define MX51_MXC_INT_GPIO1_INT2	47
+#define MX51_MXC_INT_GPIO1_INT1	48
+#define MX51_MXC_INT_GPIO1_INT0	49
+#define MX51_MXC_INT_GPIO1_LOW	50
+#define MX51_MXC_INT_GPIO1_HIGH	51
+#define MX51_MXC_INT_GPIO2_LOW	52
+#define MX51_MXC_INT_GPIO2_HIGH	53
+#define MX51_MXC_INT_GPIO3_LOW	54
+#define MX51_MXC_INT_GPIO3_HIGH	55
+#define MX51_MXC_INT_GPIO4_LOW	56
+#define MX51_MXC_INT_GPIO4_HIGH	57
+#define MX51_MXC_INT_WDOG1	58
+#define MX51_MXC_INT_WDOG2	59
+#define MX51_MXC_INT_KPP	60
+#define MX51_MXC_INT_PWM1	61
+#define MX51_MXC_INT_I2C1	62
+#define MX51_MXC_INT_I2C2	63
+#define MX51_MXC_INT_HS_I2C	64
+#define MX51_MXC_INT_RESV65	65
+#define MX51_MXC_INT_RESV66	66
+#define MX51_MXC_INT_SIM_IPB	67
+#define MX51_MXC_INT_SIM_DAT	68
+#define MX51_MXC_INT_IIM	69
+#define MX51_MXC_INT_ATA	70
+#define MX51_MXC_INT_CCM1	71
+#define MX51_MXC_INT_CCM2	72
+#define MX51_MXC_INT_GPC1	73
+#define MX51_MXC_INT_GPC2	74
+#define MX51_MXC_INT_SRC	75
+#define MX51_MXC_INT_NM		76
+#define MX51_MXC_INT_PMU	77
+#define MX51_MXC_INT_CTI_IRQ	78
+#define MX51_MXC_INT_CTI1_TG0	79
+#define MX51_MXC_INT_CTI1_TG1	80
+#define MX51_MXC_INT_MCG_ERR	81
+#define MX51_MXC_INT_MCG_TMR	82
+#define MX51_MXC_INT_MCG_FUNC	83
+#define MX51_MXC_INT_GPU2_IRQ	84
+#define MX51_MXC_INT_GPU2_BUSY	85
+#define MX51_MXC_INT_RESV86	86
+#define MX51_MXC_INT_FEC	87
+#define MX51_MXC_INT_OWIRE	88
+#define MX51_MXC_INT_CTI1_TG2	89
+#define MX51_MXC_INT_SJC	90
+#define MX51_MXC_INT_SPDIF	91
+#define MX51_MXC_INT_TVE	92
+#define MX51_MXC_INT_FIRI	93
+#define MX51_MXC_INT_PWM2	94
+#define MX51_MXC_INT_SLIM_EXP	95
+#define MX51_MXC_INT_SSI3	96
+#define MX51_MXC_INT_EMI_BOOT	97
+#define MX51_MXC_INT_CTI1_TG3	98
+#define MX51_MXC_INT_SMC_RX	99
+#define MX51_MXC_INT_VPU_IDLE	100
+#define MX51_MXC_INT_EMI_NFC	101
+#define MX51_MXC_INT_GPU_IDLE	102
+
+/* silicon revisions specific to i.MX51 */
+#define MX51_CHIP_REV_1_0	0x10
+#define MX51_CHIP_REV_1_1	0x11
+#define MX51_CHIP_REV_1_2	0x12
+#define MX51_CHIP_REV_1_3	0x13
+#define MX51_CHIP_REV_2_0	0x20
+#define MX51_CHIP_REV_2_1	0x21
+#define MX51_CHIP_REV_2_2	0x22
+#define MX51_CHIP_REV_2_3	0x23
+#define MX51_CHIP_REV_3_0	0x30
+#define MX51_CHIP_REV_3_1	0x31
+#define MX51_CHIP_REV_3_2	0x32
+
+/* Mandatory defines used globally */
+
+#if !defined(__ASSEMBLY__) && !defined(__MXC_BOOT_UNCOMPRESS)
+
+extern unsigned int system_rev;
+
+static inline unsigned int mx51_revision(void)
+{
+	return system_rev;
+}
+#endif
+
+#endif	/*  __ASM_ARCH_MXC_MX51_H__ */
diff --git a/arch/arm/plat-mxc/include/mach/mxc.h b/arch/arm/plat-mxc/include/mach/mxc.h
index 51990536b845..a790bf212972 100644
--- a/arch/arm/plat-mxc/include/mach/mxc.h
+++ b/arch/arm/plat-mxc/include/mach/mxc.h
@@ -30,6 +30,7 @@
 #define MXC_CPU_MX27		27
 #define MXC_CPU_MX31		31
 #define MXC_CPU_MX35		35
+#define MXC_CPU_MX51		51
 #define MXC_CPU_MXC91231	91231
 
 #ifndef __ASSEMBLY__
@@ -108,6 +109,18 @@ extern unsigned int __mxc_cpu_type;
 # define cpu_is_mx35()		(0)
 #endif
 
+#ifdef CONFIG_ARCH_MX5
+# ifdef mxc_cpu_type
+#  undef mxc_cpu_type
+#  define mxc_cpu_type __mxc_cpu_type
+# else
+#  define mxc_cpu_type MXC_CPU_MX51
+# endif
+# define cpu_is_mx51()		(mxc_cpu_type == MXC_CPU_MX51)
+#else
+# define cpu_is_mx51()		(0)
+#endif
+
 #ifdef CONFIG_ARCH_MXC91231
 # ifdef mxc_cpu_type
 #  undef mxc_cpu_type
@@ -121,9 +134,10 @@ extern unsigned int __mxc_cpu_type;
 #endif
 
 #if defined(CONFIG_ARCH_MX3) || defined(CONFIG_ARCH_MX2)
-#define CSCR_U(n) (IO_ADDRESS(WEIM_BASE_ADDR) + n * 0x10)
-#define CSCR_L(n) (IO_ADDRESS(WEIM_BASE_ADDR) + n * 0x10 + 0x4)
-#define CSCR_A(n) (IO_ADDRESS(WEIM_BASE_ADDR) + n * 0x10 + 0x8)
+/* These are deprecated, use mx[23][157]_setup_weimcs instead. */
+#define CSCR_U(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10))
+#define CSCR_L(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10 + 0x4))
+#define CSCR_A(n) (IO_ADDRESS(WEIM_BASE_ADDR + n * 0x10 + 0x8))
 #endif
 
 #define cpu_is_mx3()	(cpu_is_mx31() || cpu_is_mx35() || cpu_is_mxc91231())
diff --git a/arch/arm/plat-mxc/include/mach/mxc91231.h b/arch/arm/plat-mxc/include/mach/mxc91231.h
index 81484d1ef232..5182b986b785 100644
--- a/arch/arm/plat-mxc/include/mach/mxc91231.h
+++ b/arch/arm/plat-mxc/include/mach/mxc91231.h
@@ -184,60 +184,22 @@
 #define MXC91231_CS4_BASE_ADDR		0xB4000000
 #define MXC91231_CS5_BASE_ADDR		0xB6000000
 
-/* Is given address belongs to the specified memory region? */
-#define ADDRESS_IN_REGION(addr, start, size) \
-	(((addr) >= (start)) && ((addr) < (start)+(size)))
-
-/* Is given address belongs to the specified named `module'? */
-#define MXC91231_IS_MODULE(addr, module) \
-	ADDRESS_IN_REGION(addr, MXC91231_ ## module ## _BASE_ADDR, \
-	                        MXC91231_ ## module ## _SIZE)
 /*
  * This macro defines the physical to virtual address mapping for all the
  * peripheral modules. It is used by passing in the physical address as x
  * and returning the virtual address. If the physical address is not mapped,
- * it returns 0xDEADBEEF
- */
-
-#define MXC91231_IO_ADDRESS(x) \
-	(void __iomem *) \
-	(MXC91231_IS_MODULE(x, L2CC) ? MXC91231_L2CC_IO_ADDRESS(x) : \
-	 MXC91231_IS_MODULE(x, AIPS1) ? MXC91231_AIPS1_IO_ADDRESS(x) : \
-	 MXC91231_IS_MODULE(x, AIPS2) ? MXC91231_AIPS2_IO_ADDRESS(x) : \
-	 MXC91231_IS_MODULE(x, SPBA0) ? MXC91231_SPBA0_IO_ADDRESS(x) : \
-	 MXC91231_IS_MODULE(x, SPBA1) ? MXC91231_SPBA1_IO_ADDRESS(x) : \
-	 MXC91231_IS_MODULE(x, ROMP) ? MXC91231_ROMP_IO_ADDRESS(x) : \
-	 MXC91231_IS_MODULE(x, AVIC) ? MXC91231_AVIC_IO_ADDRESS(x) : \
-	 MXC91231_IS_MODULE(x, X_MEMC) ? MXC91231_X_MEMC_IO_ADDRESS(x) : \
-	 0xDEADBEEF)
-
-
-/*
- * define the address mapping macros: in physical address order
+ * it returns 0.
  */
-#define MXC91231_L2CC_IO_ADDRESS(x)  \
-	(((x) - MXC91231_L2CC_BASE_ADDR) + MXC91231_L2CC_BASE_ADDR_VIRT)
-
-#define MXC91231_AIPS1_IO_ADDRESS(x)  \
-	(((x) - MXC91231_AIPS1_BASE_ADDR) + MXC91231_AIPS1_BASE_ADDR_VIRT)
-
-#define MXC91231_SPBA0_IO_ADDRESS(x)  \
-	(((x) - MXC91231_SPBA0_BASE_ADDR) + MXC91231_SPBA0_BASE_ADDR_VIRT)
-
-#define MXC91231_SPBA1_IO_ADDRESS(x)  \
-	(((x) - MXC91231_SPBA1_BASE_ADDR) + MXC91231_SPBA1_BASE_ADDR_VIRT)
-
-#define MXC91231_AIPS2_IO_ADDRESS(x)  \
-	(((x) - MXC91231_AIPS2_BASE_ADDR) + MXC91231_AIPS2_BASE_ADDR_VIRT)
-
-#define MXC91231_ROMP_IO_ADDRESS(x)  \
-	(((x) - MXC91231_ROMP_BASE_ADDR) + MXC91231_ROMP_BASE_ADDR_VIRT)
-
-#define MXC91231_AVIC_IO_ADDRESS(x)  \
-	(((x) - MXC91231_AVIC_BASE_ADDR) + MXC91231_AVIC_BASE_ADDR_VIRT)
 
-#define MXC91231_X_MEMC_IO_ADDRESS(x)  \
-	(((x) - MXC91231_X_MEMC_BASE_ADDR) + MXC91231_X_MEMC_BASE_ADDR_VIRT)
+#define MXC91231_IO_ADDRESS(x) (					\
+	IMX_IO_ADDRESS(x, MXC91231_L2CC) ?:				\
+	IMX_IO_ADDRESS(x, MXC91231_X_MEMC) ?:				\
+	IMX_IO_ADDRESS(x, MXC91231_ROMP) ?:				\
+	IMX_IO_ADDRESS(x, MXC91231_AVIC) ?:				\
+	IMX_IO_ADDRESS(x, MXC91231_AIPS1) ?:				\
+	IMX_IO_ADDRESS(x, MXC91231_SPBA0) ?:				\
+	IMX_IO_ADDRESS(x, MXC91231_SPBA1) ?:				\
+	IMX_IO_ADDRESS(x, MXC91231_AIPS2))
 
 /*
  * Interrupt numbers
diff --git a/arch/arm/plat-mxc/include/mach/mxc_ehci.h b/arch/arm/plat-mxc/include/mach/mxc_ehci.h
index 8f796239393e..4b9b8368c0c0 100644
--- a/arch/arm/plat-mxc/include/mach/mxc_ehci.h
+++ b/arch/arm/plat-mxc/include/mach/mxc_ehci.h
@@ -22,6 +22,10 @@
 #define MXC_EHCI_POWER_PINS_ENABLED	(1 << 5)
 #define MXC_EHCI_TTL_ENABLED		(1 << 6)
 
+#define MXC_EHCI_INTERNAL_PHY		(1 << 7)
+#define MXC_EHCI_IPPUE_DOWN		(1 << 8)
+#define MXC_EHCI_IPPUE_UP		(1 << 9)
+
 struct mxc_usbh_platform_data {
 	int (*init)(struct platform_device *pdev);
 	int (*exit)(struct platform_device *pdev);
diff --git a/arch/arm/plat-mxc/include/mach/ssi.h b/arch/arm/plat-mxc/include/mach/ssi.h
new file mode 100644
index 000000000000..c34ded523f10
--- /dev/null
+++ b/arch/arm/plat-mxc/include/mach/ssi.h
@@ -0,0 +1,18 @@
+#ifndef __MACH_SSI_H
+#define __MACH_SSI_H
+
+struct snd_ac97;
+
+extern unsigned char imx_ssi_fiq_start, imx_ssi_fiq_end;
+extern unsigned long imx_ssi_fiq_base, imx_ssi_fiq_tx_buffer, imx_ssi_fiq_rx_buffer;
+
+struct imx_ssi_platform_data {
+	unsigned int flags;
+#define IMX_SSI_DMA            (1 << 0)
+#define IMX_SSI_USE_AC97       (1 << 1)
+	void (*ac97_reset) (struct snd_ac97 *ac97);
+	void (*ac97_warm_reset)(struct snd_ac97 *ac97);
+};
+
+#endif /* __MACH_SSI_H */
+
diff --git a/arch/arm/plat-mxc/include/mach/timex.h b/arch/arm/plat-mxc/include/mach/timex.h
index 527a6c24788e..024416ed11cd 100644
--- a/arch/arm/plat-mxc/include/mach/timex.h
+++ b/arch/arm/plat-mxc/include/mach/timex.h
@@ -28,6 +28,8 @@
 #define CLOCK_TICK_RATE		16625000
 #elif defined CONFIG_ARCH_MX25
 #define CLOCK_TICK_RATE		16000000
+#elif defined CONFIG_ARCH_MX5
+#define CLOCK_TICK_RATE		8000000
 #elif defined CONFIG_ARCH_MXC91231
 #define CLOCK_TICK_RATE		13000000
 #endif
diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h
index d49384cb1e97..52e476a150ca 100644
--- a/arch/arm/plat-mxc/include/mach/uncompress.h
+++ b/arch/arm/plat-mxc/include/mach/uncompress.h
@@ -1,8 +1,6 @@
 /*
  *  arch/arm/plat-mxc/include/mach/uncompress.h
  *
- *
- *
  *  Copyright (C) 1999 ARM Limited
  *  Copyright (C) Shane Nay (shane@minirl.com)
  *
@@ -25,7 +23,6 @@
 
 #define __MXC_BOOT_UNCOMPRESS
 
-#include <mach/hardware.h>
 #include <asm/mach-types.h>
 
 static unsigned long uart_base;
diff --git a/arch/arm/plat-mxc/iomux-mx1-mx2.c b/arch/arm/plat-mxc/iomux-mx1-mx2.c
deleted file mode 100644
index a37163ce280b..000000000000
--- a/arch/arm/plat-mxc/iomux-mx1-mx2.c
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- *  arch/arm/mach-mxc/generic.c
- *
- *  author: Sascha Hauer
- *  Created: april 20th, 2004
- *  Copyright: Synertronixx GmbH
- *
- *  Common code for i.MX machines
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- */
-
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/gpio.h>
-
-#include <mach/hardware.h>
-#include <asm/mach/map.h>
-#include <mach/iomux.h>
-
-void mxc_gpio_mode(int gpio_mode)
-{
-	unsigned int pin = gpio_mode & GPIO_PIN_MASK;
-	unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
-	unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT;
-	unsigned int tmp;
-
-	/* Pullup enable */
-	tmp = __raw_readl(VA_GPIO_BASE + MXC_PUEN(port));
-	if (gpio_mode & GPIO_PUEN)
-		tmp |= (1 << pin);
-	else
-		tmp &= ~(1 << pin);
-	__raw_writel(tmp, VA_GPIO_BASE + MXC_PUEN(port));
-
-	/* Data direction */
-	tmp = __raw_readl(VA_GPIO_BASE + MXC_DDIR(port));
-	if (gpio_mode & GPIO_OUT)
-		tmp |= 1 << pin;
-	else
-		tmp &= ~(1 << pin);
-	__raw_writel(tmp, VA_GPIO_BASE + MXC_DDIR(port));
-
-	/* Primary / alternate function */
-	tmp = __raw_readl(VA_GPIO_BASE + MXC_GPR(port));
-	if (gpio_mode & GPIO_AF)
-		tmp |= (1 << pin);
-	else
-		tmp &= ~(1 << pin);
-	__raw_writel(tmp, VA_GPIO_BASE + MXC_GPR(port));
-
-	/* use as gpio? */
-	tmp = __raw_readl(VA_GPIO_BASE + MXC_GIUS(port));
-	if (gpio_mode & (GPIO_PF | GPIO_AF))
-		tmp &= ~(1 << pin);
-	else
-		tmp |= (1 << pin);
-	__raw_writel(tmp, VA_GPIO_BASE + MXC_GIUS(port));
-
-	if (pin < 16) {
-		tmp = __raw_readl(VA_GPIO_BASE + MXC_OCR1(port));
-		tmp &= ~(3 << (pin * 2));
-		tmp |= (ocr << (pin * 2));
-		__raw_writel(tmp, VA_GPIO_BASE + MXC_OCR1(port));
-
-		tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFA1(port));
-		tmp &= ~(3 << (pin * 2));
-		tmp |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << (pin * 2);
-		__raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFA1(port));
-
-		tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFB1(port));
-		tmp &= ~(3 << (pin * 2));
-		tmp |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << (pin * 2);
-		__raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFB1(port));
-	} else {
-		pin -= 16;
-
-		tmp = __raw_readl(VA_GPIO_BASE + MXC_OCR2(port));
-		tmp &= ~(3 << (pin * 2));
-		tmp |= (ocr << (pin * 2));
-		__raw_writel(tmp, VA_GPIO_BASE + MXC_OCR2(port));
-
-		tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFA2(port));
-		tmp &= ~(3 << (pin * 2));
-		tmp |= ((gpio_mode >> GPIO_AOUT_SHIFT) & 3) << (pin * 2);
-		__raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFA2(port));
-
-		tmp = __raw_readl(VA_GPIO_BASE + MXC_ICONFB2(port));
-		tmp &= ~(3 << (pin * 2));
-		tmp |= ((gpio_mode >> GPIO_BOUT_SHIFT) & 3) << (pin * 2);
-		__raw_writel(tmp, VA_GPIO_BASE + MXC_ICONFB2(port));
-	}
-}
-EXPORT_SYMBOL(mxc_gpio_mode);
-
-int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
-		const char *label)
-{
-	const int *p = pin_list;
-	int i;
-	unsigned gpio;
-	unsigned mode;
-	int ret = -EINVAL;
-
-	for (i = 0; i < count; i++) {
-		gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
-		mode = *p & ~(GPIO_PIN_MASK | GPIO_PORT_MASK);
-
-		if (gpio >= (GPIO_PORT_MAX + 1) * 32)
-			goto setup_error;
-
-		ret = gpio_request(gpio, label);
-		if (ret)
-			goto setup_error;
-
-		mxc_gpio_mode(gpio | mode);
-
-		p++;
-	}
-	return 0;
-
-setup_error:
-	mxc_gpio_release_multiple_pins(pin_list, i);
-	return ret;
-}
-EXPORT_SYMBOL(mxc_gpio_setup_multiple_pins);
-
-void mxc_gpio_release_multiple_pins(const int *pin_list, int count)
-{
-	const int *p = pin_list;
-	int i;
-
-	for (i = 0; i < count; i++) {
-		unsigned gpio = *p & (GPIO_PIN_MASK | GPIO_PORT_MASK);
-		gpio_free(gpio);
-		p++;
-	}
-
-}
-EXPORT_SYMBOL(mxc_gpio_release_multiple_pins);
-
diff --git a/arch/arm/plat-mxc/iomux-v1.c b/arch/arm/plat-mxc/iomux-v1.c
new file mode 100644
index 000000000000..960a02cbcbaf
--- /dev/null
+++ b/arch/arm/plat-mxc/iomux-v1.c
@@ -0,0 +1,238 @@
+/*
+ * arch/arm/plat-mxc/iomux-v1.c
+ *
+ * Copyright (C) 2004 Sascha Hauer, Synertronixx GmbH
+ * Copyright (C) 2009 Uwe Kleine-Koenig, Pengutronix
+ *
+ * Common code for i.MX1, i.MX21 and i.MX27
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/gpio.h>
+
+#include <mach/hardware.h>
+#include <asm/mach/map.h>
+#include <mach/iomux-v1.h>
+
+static void __iomem *imx_iomuxv1_baseaddr;
+static unsigned imx_iomuxv1_numports;
+
+static inline unsigned long imx_iomuxv1_readl(unsigned offset)
+{
+	return __raw_readl(imx_iomuxv1_baseaddr + offset);
+}
+
+static inline void imx_iomuxv1_writel(unsigned long val, unsigned offset)
+{
+	__raw_writel(val, imx_iomuxv1_baseaddr + offset);
+}
+
+static inline void imx_iomuxv1_rmwl(unsigned offset,
+		unsigned long mask, unsigned long value)
+{
+	unsigned long reg = imx_iomuxv1_readl(offset);
+
+	reg &= ~mask;
+	reg |= value;
+
+	imx_iomuxv1_writel(reg, offset);
+}
+
+static inline void imx_iomuxv1_set_puen(
+		unsigned int port, unsigned int pin, int on)
+{
+	unsigned long mask = 1 << pin;
+
+	imx_iomuxv1_rmwl(MXC_PUEN(port), mask, on ? mask : 0);
+}
+
+static inline void imx_iomuxv1_set_ddir(
+		unsigned int port, unsigned int pin, int out)
+{
+	unsigned long mask = 1 << pin;
+
+	imx_iomuxv1_rmwl(MXC_DDIR(port), mask, out ? mask : 0);
+}
+
+static inline void imx_iomuxv1_set_gpr(
+		unsigned int port, unsigned int pin, int af)
+{
+	unsigned long mask = 1 << pin;
+
+	imx_iomuxv1_rmwl(MXC_GPR(port), mask, af ? mask : 0);
+}
+
+static inline void imx_iomuxv1_set_gius(
+		unsigned int port, unsigned int pin, int inuse)
+{
+	unsigned long mask = 1 << pin;
+
+	imx_iomuxv1_rmwl(MXC_GIUS(port), mask, inuse ? mask : 0);
+}
+
+static inline void imx_iomuxv1_set_ocr(
+		unsigned int port, unsigned int pin, unsigned int ocr)
+{
+	unsigned long shift = (pin & 0xf) << 1;
+	unsigned long mask = 3 << shift;
+	unsigned long value = ocr << shift;
+	unsigned long offset = pin < 16 ? MXC_OCR1(port) : MXC_OCR2(port);
+
+	imx_iomuxv1_rmwl(offset, mask, value);
+}
+
+static inline void imx_iomuxv1_set_iconfa(
+		unsigned int port, unsigned int pin, unsigned int aout)
+{
+	unsigned long shift = (pin & 0xf) << 1;
+	unsigned long mask = 3 << shift;
+	unsigned long value = aout << shift;
+	unsigned long offset = pin < 16 ? MXC_ICONFA1(port) : MXC_ICONFA2(port);
+
+	imx_iomuxv1_rmwl(offset, mask, value);
+}
+
+static inline void imx_iomuxv1_set_iconfb(
+		unsigned int port, unsigned int pin, unsigned int bout)
+{
+	unsigned long shift = (pin & 0xf) << 1;
+	unsigned long mask = 3 << shift;
+	unsigned long value = bout << shift;
+	unsigned long offset = pin < 16 ? MXC_ICONFB1(port) : MXC_ICONFB2(port);
+
+	imx_iomuxv1_rmwl(offset, mask, value);
+}
+
+int mxc_gpio_mode(int gpio_mode)
+{
+	unsigned int pin = gpio_mode & GPIO_PIN_MASK;
+	unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT;
+	unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT;
+	unsigned int aout = (gpio_mode >> GPIO_AOUT_SHIFT) & 3;
+	unsigned int bout = (gpio_mode >> GPIO_BOUT_SHIFT) & 3;
+
+	if (port >= imx_iomuxv1_numports)
+		return -EINVAL;
+
+	/* Pullup enable */
+	imx_iomuxv1_set_puen(port, pin, gpio_mode & GPIO_PUEN);
+
+	/* Data direction */
+	imx_iomuxv1_set_ddir(port, pin, gpio_mode & GPIO_OUT);
+
+	/* Primary / alternate function */
+	imx_iomuxv1_set_gpr(port, pin, gpio_mode & GPIO_AF);
+
+	/* use as gpio? */
+	imx_iomuxv1_set_gius(port, pin, !(gpio_mode & (GPIO_PF | GPIO_AF)));
+
+	imx_iomuxv1_set_ocr(port, pin, ocr);
+
+	imx_iomuxv1_set_iconfa(port, pin, aout);
+
+	imx_iomuxv1_set_iconfb(port, pin, bout);
+
+	return 0;
+}
+EXPORT_SYMBOL(mxc_gpio_mode);
+
+static int imx_iomuxv1_setup_multiple(const int *list, unsigned count)
+{
+	size_t i;
+	int ret;
+
+	for (i = 0; i < count; ++i) {
+		ret = mxc_gpio_mode(list[i]);
+
+		if (ret)
+			return ret;
+	}
+
+	return ret;
+}
+
+int mxc_gpio_setup_multiple_pins(const int *pin_list, unsigned count,
+		const char *label)
+{
+	size_t i;
+	int ret;
+
+	for (i = 0; i < count; ++i) {
+		unsigned gpio = pin_list[i] & (GPIO_PIN_MASK | GPIO_PORT_MASK);
+
+		ret = gpio_request(gpio, label);
+		if (ret)
+			goto err_gpio_request;
+	}
+
+	ret = imx_iomuxv1_setup_multiple(pin_list, count);
+	if (ret)
+		goto err_setup;
+
+	return 0;
+
+err_setup:
+	BUG_ON(i != count);
+
+err_gpio_request:
+	mxc_gpio_release_multiple_pins(pin_list, i);
+
+	return ret;
+}
+EXPORT_SYMBOL(mxc_gpio_setup_multiple_pins);
+
+void mxc_gpio_release_multiple_pins(const int *pin_list, int count)
+{
+	size_t i;
+
+	for (i = 0; i < count; ++i) {
+		unsigned gpio = pin_list[i] & (GPIO_PIN_MASK | GPIO_PORT_MASK);
+
+		gpio_free(gpio);
+	}
+}
+EXPORT_SYMBOL(mxc_gpio_release_multiple_pins);
+
+static int imx_iomuxv1_init(void)
+{
+#ifdef CONFIG_ARCH_MX1
+	if (cpu_is_mx1()) {
+		imx_iomuxv1_baseaddr = MX1_IO_ADDRESS(MX1_GPIO_BASE_ADDR);
+		imx_iomuxv1_numports = MX1_NUM_GPIO_PORT;
+	} else
+#endif
+#ifdef CONFIG_MACH_MX21
+	if (cpu_is_mx21()) {
+		imx_iomuxv1_baseaddr = MX21_IO_ADDRESS(MX21_GPIO_BASE_ADDR);
+		imx_iomuxv1_numports = MX21_NUM_GPIO_PORT;
+	} else
+#endif
+#ifdef CONFIG_MACH_MX27
+	if (cpu_is_mx27()) {
+		imx_iomuxv1_baseaddr = MX27_IO_ADDRESS(MX27_GPIO_BASE_ADDR);
+		imx_iomuxv1_numports = MX27_NUM_GPIO_PORT;
+	} else
+#endif
+		return -ENODEV;
+
+	return 0;
+}
+pure_initcall(imx_iomuxv1_init);
diff --git a/arch/arm/plat-mxc/time.c b/arch/arm/plat-mxc/time.c
index 844567ee35fe..c1ce51abdba6 100644
--- a/arch/arm/plat-mxc/time.c
+++ b/arch/arm/plat-mxc/time.c
@@ -30,9 +30,15 @@
 #include <asm/mach/time.h>
 #include <mach/common.h>
 
+/*
+ * There are 2 versions of the timer hardware on Freescale MXC hardware.
+ * Version 1: MX1/MXL, MX21, MX27.
+ * Version 2: MX25, MX31, MX35, MX37, MX51
+ */
+
 /* defines common for all i.MX */
 #define MXC_TCTL		0x00
-#define MXC_TCTL_TEN		(1 << 0)
+#define MXC_TCTL_TEN		(1 << 0) /* Enable module */
 #define MXC_TPRER		0x04
 
 /* MX1, MX21, MX27 */
@@ -47,8 +53,8 @@
 #define MX2_TSTAT_CAPT		(1 << 1)
 #define MX2_TSTAT_COMP		(1 << 0)
 
-/* MX31, MX35, MX25, MXC91231 */
-#define MX3_TCTL_WAITEN		(1 << 3)
+/* MX31, MX35, MX25, MXC91231, MX5 */
+#define MX3_TCTL_WAITEN		(1 << 3) /* Wait enable mode */
 #define MX3_TCTL_CLK_IPG	(1 << 6)
 #define MX3_TCTL_FRR		(1 << 9)
 #define MX3_IR			0x0c
@@ -57,6 +63,9 @@
 #define MX3_TCN			0x24
 #define MX3_TCMP		0x10
 
+#define timer_is_v1()	(cpu_is_mx1() || cpu_is_mx21() || cpu_is_mx27())
+#define timer_is_v2()	(!timer_is_v1())
+
 static struct clock_event_device clockevent_mxc;
 static enum clock_event_mode clockevent_mode = CLOCK_EVT_MODE_UNUSED;
 
@@ -66,7 +75,7 @@ static inline void gpt_irq_disable(void)
 {
 	unsigned int tmp;
 
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v2())
 		__raw_writel(0, timer_base + MX3_IR);
 	else {
 		tmp = __raw_readl(timer_base + MXC_TCTL);
@@ -76,7 +85,7 @@ static inline void gpt_irq_disable(void)
 
 static inline void gpt_irq_enable(void)
 {
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v2())
 		__raw_writel(1<<0, timer_base + MX3_IR);
 	else {
 		__raw_writel(__raw_readl(timer_base + MXC_TCTL) | MX1_2_TCTL_IRQEN,
@@ -86,11 +95,13 @@ static inline void gpt_irq_enable(void)
 
 static void gpt_irq_acknowledge(void)
 {
-	if (cpu_is_mx1())
-		__raw_writel(0, timer_base + MX1_2_TSTAT);
-	if (cpu_is_mx2())
-		__raw_writel(MX2_TSTAT_CAPT | MX2_TSTAT_COMP, timer_base + MX1_2_TSTAT);
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v1()) {
+		if (cpu_is_mx1())
+			__raw_writel(0, timer_base + MX1_2_TSTAT);
+		else
+			__raw_writel(MX2_TSTAT_CAPT | MX2_TSTAT_COMP,
+				timer_base + MX1_2_TSTAT);
+	} else if (timer_is_v2())
 		__raw_writel(MX3_TSTAT_OF1, timer_base + MX3_TSTAT);
 }
 
@@ -117,7 +128,7 @@ static int __init mxc_clocksource_init(struct clk *timer_clk)
 {
 	unsigned int c = clk_get_rate(timer_clk);
 
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v2())
 		clocksource_mxc.read = mx3_get_cycles;
 
 	clocksource_mxc.mult = clocksource_hz2mult(c,
@@ -180,7 +191,7 @@ static void mxc_set_mode(enum clock_event_mode mode,
 
 	if (mode != clockevent_mode) {
 		/* Set event time into far-far future */
-		if (cpu_is_mx3() || cpu_is_mx25())
+		if (timer_is_v2())
 			__raw_writel(__raw_readl(timer_base + MX3_TCN) - 3,
 					timer_base + MX3_TCMP);
 		else
@@ -233,7 +244,7 @@ static irqreturn_t mxc_timer_interrupt(int irq, void *dev_id)
 	struct clock_event_device *evt = &clockevent_mxc;
 	uint32_t tstat;
 
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v2())
 		tstat = __raw_readl(timer_base + MX3_TSTAT);
 	else
 		tstat = __raw_readl(timer_base + MX1_2_TSTAT);
@@ -264,7 +275,7 @@ static int __init mxc_clockevent_init(struct clk *timer_clk)
 {
 	unsigned int c = clk_get_rate(timer_clk);
 
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v2())
 		clockevent_mxc.set_next_event = mx3_set_next_event;
 
 	clockevent_mxc.mult = div_sc(c, NSEC_PER_SEC,
@@ -296,7 +307,7 @@ void __init mxc_timer_init(struct clk *timer_clk, void __iomem *base, int irq)
 	__raw_writel(0, timer_base + MXC_TCTL);
 	__raw_writel(0, timer_base + MXC_TPRER); /* see datasheet note */
 
-	if (cpu_is_mx3() || cpu_is_mx25())
+	if (timer_is_v2())
 		tctl_val = MX3_TCTL_CLK_IPG | MX3_TCTL_FRR | MX3_TCTL_WAITEN | MXC_TCTL_TEN;
 	else
 		tctl_val = MX1_2_TCTL_FRR | MX1_2_TCTL_CLK_PCLK1 | MXC_TCTL_TEN;
diff --git a/arch/arm/plat-mxc/tzic.c b/arch/arm/plat-mxc/tzic.c
new file mode 100644
index 000000000000..afa6709db0b3
--- /dev/null
+++ b/arch/arm/plat-mxc/tzic.c
@@ -0,0 +1,172 @@
+/*
+ * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/io.h>
+
+#include <asm/mach/irq.h>
+
+#include <mach/hardware.h>
+
+/*
+ *****************************************
+ * TZIC Registers                        *
+ *****************************************
+ */
+
+#define TZIC_INTCNTL	0x0000	/* Control register */
+#define TZIC_INTTYPE	0x0004	/* Controller Type register */
+#define TZIC_IMPID	0x0008	/* Distributor Implementer Identification */
+#define TZIC_PRIOMASK	0x000C	/* Priority Mask Reg */
+#define TZIC_SYNCCTRL	0x0010	/* Synchronizer Control register */
+#define TZIC_DSMINT	0x0014	/* DSM interrupt Holdoffregister */
+#define TZIC_INTSEC0(i)	(0x0080 + ((i) << 2)) /* Interrupt Security Reg 0 */
+#define TZIC_ENSET0(i)	(0x0100 + ((i) << 2)) /* Enable Set Reg 0 */
+#define TZIC_ENCLEAR0(i) (0x0180 + ((i) << 2)) /* Enable Clear Reg 0 */
+#define TZIC_SRCSET0	0x0200	/* Source Set Register 0 */
+#define TZIC_SRCCLAR0	0x0280	/* Source Clear Register 0 */
+#define TZIC_PRIORITY0	0x0400	/* Priority Register 0 */
+#define TZIC_PND0	0x0D00	/* Pending Register 0 */
+#define TZIC_HIPND0	0x0D80	/* High Priority Pending Register */
+#define TZIC_WAKEUP0(i)	(0x0E00 + ((i) << 2))	/* Wakeup Config Register */
+#define TZIC_SWINT	0x0F00	/* Software Interrupt Rigger Register */
+#define TZIC_ID0	0x0FD0	/* Indentification Register 0 */
+
+void __iomem *tzic_base; /* Used as irq controller base in entry-macro.S */
+
+/**
+ * tzic_mask_irq() - Disable interrupt number "irq" in the TZIC
+ *
+ * @param  irq          interrupt source number
+ */
+static void tzic_mask_irq(unsigned int irq)
+{
+	int index, off;
+
+	index = irq >> 5;
+	off = irq & 0x1F;
+	__raw_writel(1 << off, tzic_base + TZIC_ENCLEAR0(index));
+}
+
+/**
+ * tzic_unmask_irq() - Enable interrupt number "irq" in the TZIC
+ *
+ * @param  irq          interrupt source number
+ */
+static void tzic_unmask_irq(unsigned int irq)
+{
+	int index, off;
+
+	index = irq >> 5;
+	off = irq & 0x1F;
+	__raw_writel(1 << off, tzic_base + TZIC_ENSET0(index));
+}
+
+static unsigned int wakeup_intr[4];
+
+/**
+ * tzic_set_wake_irq() - Set interrupt number "irq" in the TZIC as a wake-up source.
+ *
+ * @param  irq          interrupt source number
+ * @param  enable       enable as wake-up if equal to non-zero
+ * 			disble as wake-up if equal to zero
+ *
+ * @return       This function returns 0 on success.
+ */
+static int tzic_set_wake_irq(unsigned int irq, unsigned int enable)
+{
+	unsigned int index, off;
+
+	index = irq >> 5;
+	off = irq & 0x1F;
+
+	if (index > 3)
+		return -EINVAL;
+
+	if (enable)
+		wakeup_intr[index] |= (1 << off);
+	else
+		wakeup_intr[index] &= ~(1 << off);
+
+	return 0;
+}
+
+static struct irq_chip mxc_tzic_chip = {
+	.name = "MXC_TZIC",
+	.ack = tzic_mask_irq,
+	.mask = tzic_mask_irq,
+	.unmask = tzic_unmask_irq,
+	.set_wake = tzic_set_wake_irq,
+};
+
+/*
+ * This function initializes the TZIC hardware and disables all the
+ * interrupts. It registers the interrupt enable and disable functions
+ * to the kernel for each interrupt source.
+ */
+void __init tzic_init_irq(void __iomem *irqbase)
+{
+	int i;
+
+	tzic_base = irqbase;
+	/* put the TZIC into the reset value with
+	 * all interrupts disabled
+	 */
+	i = __raw_readl(tzic_base + TZIC_INTCNTL);
+
+	__raw_writel(0x80010001, tzic_base + TZIC_INTCNTL);
+	__raw_writel(0x1f, tzic_base + TZIC_PRIOMASK);
+	__raw_writel(0x02, tzic_base + TZIC_SYNCCTRL);
+
+	for (i = 0; i < 4; i++)
+		__raw_writel(0xFFFFFFFF, tzic_base + TZIC_INTSEC0(i));
+
+	/* disable all interrupts */
+	for (i = 0; i < 4; i++)
+		__raw_writel(0xFFFFFFFF, tzic_base + TZIC_ENCLEAR0(i));
+
+	/* all IRQ no FIQ Warning :: No selection */
+
+	for (i = 0; i < MXC_INTERNAL_IRQS; i++) {
+		set_irq_chip(i, &mxc_tzic_chip);
+		set_irq_handler(i, handle_level_irq);
+		set_irq_flags(i, IRQF_VALID);
+	}
+
+	pr_info("TrustZone Interrupt Controller (TZIC) initialized\n");
+}
+
+/**
+ * tzic_enable_wake() - enable wakeup interrupt
+ *
+ * @param is_idle		1 if called in idle loop (ENSET0 register);
+ *				0 to be used when called from low power entry
+ * @return			0 if successful; non-zero otherwise
+ */
+int tzic_enable_wake(int is_idle)
+{
+	unsigned int i, v;
+
+	__raw_writel(1, tzic_base + TZIC_DSMINT);
+	if (unlikely(__raw_readl(tzic_base + TZIC_DSMINT) == 0))
+		return -EAGAIN;
+
+	for (i = 0; i < 4; i++) {
+		v = is_idle ? __raw_readl(TZIC_ENSET0(i)) : wakeup_intr[i];
+		__raw_writel(v, TZIC_WAKEUP0(i));
+	}
+
+	return 0;
+}
diff --git a/arch/arm/plat-nomadik/timer.c b/arch/arm/plat-nomadik/timer.c
index 62f18ad43a28..fa7cb3a57cbf 100644
--- a/arch/arm/plat-nomadik/timer.c
+++ b/arch/arm/plat-nomadik/timer.c
@@ -49,24 +49,17 @@ static struct clocksource nmdk_clksrc = {
 static void nmdk_clkevt_mode(enum clock_event_mode mode,
 			     struct clock_event_device *dev)
 {
-	unsigned long flags;
-
 	switch (mode) {
 	case CLOCK_EVT_MODE_PERIODIC:
-		/* enable interrupts -- and count current value? */
-		raw_local_irq_save(flags);
+		/* count current value? */
 		writel(readl(mtu_base + MTU_IMSC) | 1, mtu_base + MTU_IMSC);
-		raw_local_irq_restore(flags);
 		break;
 	case CLOCK_EVT_MODE_ONESHOT:
 		BUG(); /* Not supported, yet */
 		/* FALLTHROUGH */
 	case CLOCK_EVT_MODE_SHUTDOWN:
 	case CLOCK_EVT_MODE_UNUSED:
-		/* disable irq */
-		raw_local_irq_save(flags);
 		writel(readl(mtu_base + MTU_IMSC) & ~1, mtu_base + MTU_IMSC);
-		raw_local_irq_restore(flags);
 		break;
 	case CLOCK_EVT_MODE_RESUME:
 		break;
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 337199ed3479..76a347b3ce07 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -2140,18 +2140,18 @@ void omap2_gpio_resume_after_retention(void)
 		if (gen) {
 			u32 old0, old1;
 
-			if (cpu_is_omap24xx() || cpu_is_omap44xx()) {
+			if (cpu_is_omap24xx() || cpu_is_omap34xx()) {
 				old0 = __raw_readl(bank->base +
 					OMAP24XX_GPIO_LEVELDETECT0);
 				old1 = __raw_readl(bank->base +
 					OMAP24XX_GPIO_LEVELDETECT1);
-			__raw_writel(old0 | gen, bank->base +
+				__raw_writel(old0 | gen, bank->base +
 					OMAP24XX_GPIO_LEVELDETECT0);
-			__raw_writel(old1 | gen, bank->base +
+				__raw_writel(old1 | gen, bank->base +
 					OMAP24XX_GPIO_LEVELDETECT1);
-			__raw_writel(old0, bank->base +
+				__raw_writel(old0, bank->base +
 					OMAP24XX_GPIO_LEVELDETECT0);
-			__raw_writel(old1, bank->base +
+				__raw_writel(old1, bank->base +
 					OMAP24XX_GPIO_LEVELDETECT1);
 			}
 
diff --git a/arch/arm/plat-omap/include/plat/blizzard.h b/arch/arm/plat-omap/include/plat/blizzard.h
index 8d160f171372..56e7f2e7d12f 100644
--- a/arch/arm/plat-omap/include/plat/blizzard.h
+++ b/arch/arm/plat-omap/include/plat/blizzard.h
@@ -6,7 +6,7 @@ struct blizzard_platform_data {
 	void		(*power_down)(struct device *dev);
 	unsigned long	(*get_clock_rate)(struct device *dev);
 
-	unsigned	te_connected : 1;
+	unsigned	te_connected:1;
 };
 
 #endif
diff --git a/arch/arm/plat-omap/include/plat/cpu.h b/arch/arm/plat-omap/include/plat/cpu.h
index ed8786c41df2..75141742300c 100644
--- a/arch/arm/plat-omap/include/plat/cpu.h
+++ b/arch/arm/plat-omap/include/plat/cpu.h
@@ -167,10 +167,14 @@ IS_OMAP_SUBCLASS(443x, 0x443)
 #if defined(MULTI_OMAP2)
 # if defined(CONFIG_ARCH_OMAP2)
 #  undef  cpu_is_omap24xx
-#  undef  cpu_is_omap242x
-#  undef  cpu_is_omap243x
 #  define cpu_is_omap24xx()		is_omap24xx()
+# endif
+# if defined (CONFIG_ARCH_OMAP2420)
+#  undef  cpu_is_omap242x
 #  define cpu_is_omap242x()		is_omap242x()
+# endif
+# if defined (CONFIG_ARCH_OMAP2430)
+#  undef  cpu_is_omap243x
 #  define cpu_is_omap243x()		is_omap243x()
 # endif
 # if defined(CONFIG_ARCH_OMAP3)
diff --git a/arch/arm/plat-omap/include/plat/prcm.h b/arch/arm/plat-omap/include/plat/prcm.h
index d6a0e27d5a7f..9fbd91419cd1 100644
--- a/arch/arm/plat-omap/include/plat/prcm.h
+++ b/arch/arm/plat-omap/include/plat/prcm.h
@@ -24,7 +24,7 @@
 #define __ASM_ARM_ARCH_OMAP_PRCM_H
 
 u32 omap_prcm_get_reset_sources(void);
-void omap_prcm_arch_reset(char mode);
+void omap_prcm_arch_reset(char mode, const char *cmd);
 int omap2_cm_wait_idlest(void __iomem *reg, u32 mask, u8 idlest,
 			 const char *name);
 
diff --git a/arch/arm/plat-omap/include/plat/system.h b/arch/arm/plat-omap/include/plat/system.h
index c58a4ef42a45..d0a119f735b4 100644
--- a/arch/arm/plat-omap/include/plat/system.h
+++ b/arch/arm/plat-omap/include/plat/system.h
@@ -22,7 +22,7 @@ static inline void arch_idle(void)
 	cpu_do_idle();
 }
 
-static inline void omap1_arch_reset(char mode)
+static inline void omap1_arch_reset(char mode, const char *cmd)
 {
 	/*
 	 * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
@@ -43,9 +43,9 @@ static inline void omap1_arch_reset(char mode)
 static inline void arch_reset(char mode, const char *cmd)
 {
 	if (!cpu_class_is_omap2())
-		omap1_arch_reset(mode);
+		omap1_arch_reset(mode, cmd);
 	else
-		omap_prcm_arch_reset(mode);
+		omap_prcm_arch_reset(mode, cmd);
 }
 
 #endif
diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h
index 288e29e1c06f..568578db93b6 100644
--- a/arch/arm/plat-omap/include/plat/usb.h
+++ b/arch/arm/plat-omap/include/plat/usb.h
@@ -53,7 +53,7 @@ enum musb_interface    {MUSB_INTERFACE_ULPI, MUSB_INTERFACE_UTMI};
 
 extern void usb_musb_init(struct omap_musb_board_data *board_data);
 
-extern void usb_ehci_init(struct ehci_hcd_omap_platform_data *pdata);
+extern void usb_ehci_init(const struct ehci_hcd_omap_platform_data *pdata);
 
 #endif
 
diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c
index e47686e0a633..52dfcc81511e 100644
--- a/arch/arm/plat-omap/mcbsp.c
+++ b/arch/arm/plat-omap/mcbsp.c
@@ -133,8 +133,7 @@ static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id)
 		dev_err(mcbsp_tx->dev, "TX Frame Sync Error! : 0x%x\n",
 			irqst_spcr2);
 		/* Writing zero to XSYNC_ERR clears the IRQ */
-		MCBSP_WRITE(mcbsp_tx, SPCR2,
-			    MCBSP_READ_CACHE(mcbsp_tx, SPCR2) & ~(XSYNC_ERR));
+		MCBSP_WRITE(mcbsp_tx, SPCR2, MCBSP_READ_CACHE(mcbsp_tx, SPCR2));
 	} else {
 		complete(&mcbsp_tx->tx_irq_completion);
 	}
@@ -154,8 +153,7 @@ static irqreturn_t omap_mcbsp_rx_irq_handler(int irq, void *dev_id)
 		dev_err(mcbsp_rx->dev, "RX Frame Sync Error! : 0x%x\n",
 			irqst_spcr1);
 		/* Writing zero to RSYNC_ERR clears the IRQ */
-		MCBSP_WRITE(mcbsp_rx, SPCR1,
-			    MCBSP_READ_CACHE(mcbsp_rx, SPCR1) & ~(RSYNC_ERR));
+		MCBSP_WRITE(mcbsp_rx, SPCR1, MCBSP_READ_CACHE(mcbsp_rx, SPCR1));
 	} else {
 		complete(&mcbsp_rx->tx_irq_completion);
 	}
@@ -934,8 +932,7 @@ int omap_mcbsp_pollwrite(unsigned int id, u16 buf)
 	/* if frame sync error - clear the error */
 	if (MCBSP_READ(mcbsp, SPCR2) & XSYNC_ERR) {
 		/* clear error */
-		MCBSP_WRITE(mcbsp, SPCR2,
-				MCBSP_READ_CACHE(mcbsp, SPCR2) & (~XSYNC_ERR));
+		MCBSP_WRITE(mcbsp, SPCR2, MCBSP_READ_CACHE(mcbsp, SPCR2));
 		/* resend */
 		return -1;
 	} else {
@@ -975,8 +972,7 @@ int omap_mcbsp_pollread(unsigned int id, u16 *buf)
 	/* if frame sync error - clear the error */
 	if (MCBSP_READ(mcbsp, SPCR1) & RSYNC_ERR) {
 		/* clear error */
-		MCBSP_WRITE(mcbsp, SPCR1,
-				MCBSP_READ_CACHE(mcbsp, SPCR1) & (~RSYNC_ERR));
+		MCBSP_WRITE(mcbsp, SPCR1, MCBSP_READ_CACHE(mcbsp, SPCR1));
 		/* resend */
 		return -1;
 	} else {
diff --git a/arch/arm/plat-s3c/Kconfig b/arch/arm/plat-s3c/Kconfig
deleted file mode 100644
index 9e9d0286e48f..000000000000
--- a/arch/arm/plat-s3c/Kconfig
+++ /dev/null
@@ -1,215 +0,0 @@
-# Copyright 2007 Simtec Electronics
-#
-# Licensed under GPLv2
-
-config PLAT_S3C
-	bool
-	depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX
-	default y
-	select NO_IOPORT
-	help
-	  Base platform code for any Samsung S3C device
-
-# low-level serial option nodes
-
-if PLAT_S3C
-
-config CPU_LLSERIAL_S3C2410_ONLY
-	bool
-	default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440
-
-config CPU_LLSERIAL_S3C2440_ONLY
-	bool
-	default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410
-
-config CPU_LLSERIAL_S3C2410
-	bool
-	help
-	  Selected if there is an S3C2410 (or register compatible) serial
-	  low-level implementation needed
-
-config CPU_LLSERIAL_S3C2440
-	bool
-	help
-	  Selected if there is an S3C2440 (or register compatible) serial
-	  low-level implementation needed
-
-# boot configurations
-
-comment "Boot options"
-
-config S3C_BOOT_WATCHDOG
-	bool "S3C Initialisation watchdog"
-	depends on S3C2410_WATCHDOG
-	help
-	  Say y to enable the watchdog during the kernel decompression
-	  stage. If the kernel fails to uncompress, then the watchdog
-	  will trigger a reset and the system should restart.
-
-config S3C_BOOT_ERROR_RESET
-	bool "S3C Reboot on decompression error"
-	help
-	  Say y here to use the watchdog to reset the system if the
-	  kernel decompressor detects an error during decompression.
-
-config S3C_BOOT_UART_FORCE_FIFO
-       bool "Force UART FIFO on during boot process"
-       default y
-       help
-         Say Y here to force the UART FIFOs on during the kernel
-	 uncompressor
-
-comment "Power management"
-
-config S3C2410_PM_DEBUG
-	bool "S3C2410 PM Suspend debug"
-	depends on PM
-	help
-	  Say Y here if you want verbose debugging from the PM Suspend and
-	  Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
-	  for more information.
-
-config S3C_PM_DEBUG_LED_SMDK
-       bool "SMDK LED suspend/resume debugging"
-       depends on PM && (MACH_SMDK6410)
-       help
-         Say Y here to enable the use of the SMDK LEDs on the baseboard
-	 for debugging of the state of the suspend and resume process.
-
-	 Note, this currently only works for S3C64XX based SMDK boards.
-
-config S3C2410_PM_CHECK
-	bool "S3C2410 PM Suspend Memory CRC"
-	depends on PM && CRC32
-	help
- 	  Enable the PM code's memory area checksum over sleep. This option
-	  will generate CRCs of all blocks of memory, and store them before
-	  going to sleep. The blocks are then checked on resume for any
-	  errors.
-
-	  Note, this can take several seconds depending on memory size
-	  and CPU speed.
-
-	  See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
-
-config S3C2410_PM_CHECK_CHUNKSIZE
-	int "S3C2410 PM Suspend CRC Chunksize (KiB)"
-	depends on PM && S3C2410_PM_CHECK
-	default 64
-	help
-	  Set the chunksize in Kilobytes of the CRC for checking memory
-	  corruption over suspend and resume. A smaller value will mean that
-	  the CRC data block will take more memory, but wil identify any
-	  faults with better precision.
-
-	  See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
-
-config S3C_LOWLEVEL_UART_PORT
-	int "S3C UART to use for low-level messages"
-	default 0
-	help
-	  Choice of which UART port to use for the low-level messages,
-	  such as the `Uncompressing...` at start time. The value of
-	  this configuration should be between zero and two. The port
-	  must have been initialised by the boot-loader before use.
-
-# options for gpiolib support
-
-config S3C_GPIO_SPACE
-	int "Space between gpio banks"
-	default 0
-	help
-	  Add a number of spare GPIO entries between each bank for debugging
-	  purposes. This allows any problems where an counter overflows from
-	  one bank to another to be caught, at the expense of using a little
-	  more memory.
-
-config S3C_GPIO_TRACK
-	bool
-	help
-	  Internal configuration option to enable the s3c specific gpio
-	  chip tracking if the platform requires it.
-
-config S3C_GPIO_PULL_UPDOWN
-	bool
-	help
-	  Internal configuration to enable the correct GPIO pull helper
-
-config S3C_GPIO_PULL_DOWN
-	bool
-	help
-	  Internal configuration to enable the correct GPIO pull helper
-
-config S3C_GPIO_PULL_UP
-	bool
-	help
-	  Internal configuration to enable the correct GPIO pull helper
-
-config S3C_GPIO_CFG_S3C24XX
-	bool
-	help
-	  Internal configuration to enable S3C24XX style GPIO configuration
-	  functions.
-
-config S3C_GPIO_CFG_S3C64XX
-	bool
-	help
-	  Internal configuration to enable S3C64XX style GPIO configuration
-	  functions.
-
-config S5P_GPIO_CFG_S5PC1XX
-	bool
-	help
-	  Internal configuration to enable S5PC1XX style GPIO configuration
-	  functions.
-
-# DMA
-
-config S3C_DMA
-	bool
-	help
-	  Internal configuration for S3C DMA core
-
-# device definitions to compile in
-
-config S3C_DEV_HSMMC
-	bool
-	help
-	  Compile in platform device definitions for HSMMC code
-
-config S3C_DEV_HSMMC1
-	bool
-	help
-	  Compile in platform device definitions for HSMMC channel 1
-
-config S3C_DEV_HSMMC2
-	bool
-	help
-	  Compile in platform device definitions for HSMMC channel 2
-
-config S3C_DEV_I2C1
-	bool
-	help
-	  Compile in platform device definitions for I2C channel 1
-
-config S3C_DEV_FB
-	bool
-	help
-	  Compile in platform device definition for framebuffer
-
-config S3C_DEV_USB_HOST
-	bool
-	help
-	  Compile in platform device definition for USB host.
-
-config S3C_DEV_USB_HSOTG
-	bool
-	help
-	  Compile in platform device definition for USB high-speed OtG
-
-config S3C_DEV_NAND
-	bool
-	help
-	  Compile in platform device definition for NAND controller
-
-endif
diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile
deleted file mode 100644
index 50444da98425..000000000000
--- a/arch/arm/plat-s3c/Makefile
+++ /dev/null
@@ -1,45 +0,0 @@
-# arch/arm/plat-s3c/Makefile
-#
-# Copyright 2008 Simtec Electronics
-#
-# Licensed under GPLv2
-
-obj-y				:=
-obj-m				:=
-obj-n				:=
-obj-				:=
-
-# Core support for all Samsung SoCs
-
-obj-y				+=  init.o
-obj-y				+= time.o
-obj-y				+= clock.o
-obj-y				+= pwm-clock.o
-obj-y				+= gpio.o
-obj-y				+= gpio-config.o
-
-# DMA support
-
-obj-$(CONFIG_S3C_DMA)		+= dma.o
-
-# PM support
-
-obj-$(CONFIG_PM)		+= pm.o
-obj-$(CONFIG_PM)		+= pm-gpio.o
-obj-$(CONFIG_S3C2410_PM_CHECK)	+= pm-check.o
-
-# PWM support
-
-obj-$(CONFIG_HAVE_PWM)		+= pwm.o
-
-# devices
-
-obj-$(CONFIG_S3C_DEV_HSMMC)	+= dev-hsmmc.o
-obj-$(CONFIG_S3C_DEV_HSMMC1)	+= dev-hsmmc1.o
-obj-$(CONFIG_S3C_DEV_HSMMC2)	+= dev-hsmmc2.o
-obj-y				+= dev-i2c0.o
-obj-$(CONFIG_S3C_DEV_I2C1)	+= dev-i2c1.o
-obj-$(CONFIG_S3C_DEV_FB)	+= dev-fb.o
-obj-$(CONFIG_S3C_DEV_USB_HOST)	+= dev-usb.o
-obj-$(CONFIG_S3C_DEV_USB_HSOTG)	+= dev-usb-hsotg.o
-obj-$(CONFIG_S3C_DEV_NAND)	+= dev-nand.o
diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig
index 342647eb91d8..6e93ef8f3d43 100644
--- a/arch/arm/plat-s3c24xx/Kconfig
+++ b/arch/arm/plat-s3c24xx/Kconfig
@@ -14,58 +14,40 @@ config PLAT_S3C24XX
 
 if PLAT_S3C24XX
 
-# code that is shared between a number of the s3c24xx implementations
+# low-level serial option nodes
 
-config S3C2410_CLOCK
+config CPU_LLSERIAL_S3C2410_ONLY
 	bool
-	help
-	  Clock code for the S3C2410, and similar processors which
-	  is currently includes the S3C2410, S3C2440, S3C2442.
+	default y if CPU_LLSERIAL_S3C2410 && !CPU_LLSERIAL_S3C2440
 
-config S3C24XX_DCLK
+config CPU_LLSERIAL_S3C2440_ONLY
 	bool
-	help
-	  Clock code for supporting DCLK/CLKOUT on S3C24XX architectures
+	default y if CPU_LLSERIAL_S3C2440 && !CPU_LLSERIAL_S3C2410
 
-config CPU_S3C244X
+config CPU_LLSERIAL_S3C2410
 	bool
-	depends on ARCH_S3C2410 && (CPU_S3C2440 || CPU_S3C2442)
-	help
-	  Support for S3C2440 and S3C2442 Samsung Mobile CPU based systems.
-
-config S3C2440_CPUFREQ
-	bool "S3C2440/S3C2442 CPU Frequency scaling support"
-	depends on CPU_FREQ_S3C24XX && (CPU_S3C2440 || CPU_S3C2442)
-	select S3C2410_CPUFREQ_UTILS
-	default y
 	help
-	  CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
+	  Selected if there is an S3C2410 (or register compatible) serial
+	  low-level implementation needed
 
-config S3C2440_XTAL_12000000
+config CPU_LLSERIAL_S3C2440
 	bool
 	help
-	  Indicate that the build needs to support 12MHz system
-	  crystal.
+	  Selected if there is an S3C2440 (or register compatible) serial
+	  low-level implementation needed
 
-config S3C2440_XTAL_16934400
-	bool
-	help
-	  Indicate that the build needs to support 16.9344MHz system
-	  crystal.
+# code that is shared between a number of the s3c24xx implementations
 
-config S3C2440_PLL_12000000
+config S3C2410_CLOCK
 	bool
-	depends on S3C2440_CPUFREQ && S3C2440_XTAL_12000000
-	default y if CPU_FREQ_S3C24XX_PLL
 	help
-	  PLL tables for S3C2440 or S3C2442 CPUs with 12MHz crystals.
+	  Clock code for the S3C2410, and similar processors which
+	  is currently includes the S3C2410, S3C2440, S3C2442.
 
-config S3C2440_PLL_16934400
+config S3C24XX_DCLK
 	bool
-	depends on S3C2440_CPUFREQ && S3C2440_XTAL_16934400
-	default y if CPU_FREQ_S3C24XX_PLL
 	help
-	  PLL tables for S3C2440 or S3C2442 CPUs with 16.934MHz crystals.
+	  Clock code for supporting DCLK/CLKOUT on S3C24XX architectures
 
 config S3C24XX_PWM
 	bool "PWM device support"
@@ -74,7 +56,6 @@ config S3C24XX_PWM
 	  Support for exporting the PWM timer blocks via the pwm device
 	  system.
 
-
 # gpio configurations
 
 config S3C24XX_GPIO_EXTRA
@@ -117,13 +98,6 @@ config S3C2410_DMA_DEBUG
 	  Enable debugging output for the DMA code. This option sends info
 	  to the kernel log, at priority KERN_DEBUG.
 
-config S3C24XX_ADC
-	bool "ADC common driver support"
-	help
-	  Core support for the ADC block found in the S3C24XX SoC systems
-	  for drivers such as the touchscreen and hwmon to use to share
-	  this resource.
-
 # SPI default pin configuration code
 
 config S3C24XX_SPI_BUS0_GPE11_GPE12_GPE13
diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile
index 5dee8c12e8b4..c2237c41141f 100644
--- a/arch/arm/plat-s3c24xx/Makefile
+++ b/arch/arm/plat-s3c24xx/Makefile
@@ -25,20 +25,12 @@ obj-$(CONFIG_CPU_FREQ_S3C24XX_DEBUGFS) += cpu-freq-debugfs.o
 
 # Architecture dependant builds
 
-obj-$(CONFIG_CPU_S3C244X)	+= s3c244x.o
-obj-$(CONFIG_CPU_S3C244X)	+= s3c244x-irq.o
-obj-$(CONFIG_CPU_S3C244X)	+= s3c244x-clock.o
-obj-$(CONFIG_S3C2440_CPUFREQ)	+= s3c2440-cpufreq.o
-obj-$(CONFIG_S3C2440_PLL_12000000) += s3c2440-pll-12000000.o
-obj-$(CONFIG_S3C2440_PLL_16934400) += s3c2440-pll-16934400.o
-
 obj-$(CONFIG_PM_SIMTEC)		+= pm-simtec.o
 obj-$(CONFIG_PM)		+= pm.o
 obj-$(CONFIG_PM)		+= irq-pm.o
 obj-$(CONFIG_PM)		+= sleep.o
 obj-$(CONFIG_S3C2410_CLOCK)	+= s3c2410-clock.o
 obj-$(CONFIG_S3C2410_DMA)	+= dma.o
-obj-$(CONFIG_S3C24XX_ADC)	+= adc.o
 obj-$(CONFIG_S3C2410_IOTIMING)	+= s3c2410-iotiming.o
 obj-$(CONFIG_S3C2412_IOTIMING)	+= s3c2412-iotiming.o
 obj-$(CONFIG_S3C2410_CPUFREQ_UTILS) += s3c2410-cpufreq-utils.o
diff --git a/arch/arm/plat-s3c24xx/clock-dclk.c b/arch/arm/plat-s3c24xx/clock-dclk.c
index ac061a1bcb37..cf97caafe56b 100644
--- a/arch/arm/plat-s3c24xx/clock-dclk.c
+++ b/arch/arm/plat-s3c24xx/clock-dclk.c
@@ -161,14 +161,18 @@ static int s3c24xx_clkout_setparent(struct clk *clk, struct clk *parent)
 
 /* external clock definitions */
 
+static struct clk_ops dclk_ops = {
+	.set_parent	= s3c24xx_dclk_setparent,
+	.set_rate	= s3c24xx_set_dclk_rate,
+	.round_rate	= s3c24xx_round_dclk_rate,
+};
+
 struct clk s3c24xx_dclk0 = {
 	.name		= "dclk0",
 	.id		= -1,
 	.ctrlbit	= S3C2410_DCLKCON_DCLK0EN,
 	.enable	        = s3c24xx_dclk_enable,
-	.set_parent	= s3c24xx_dclk_setparent,
-	.set_rate	= s3c24xx_set_dclk_rate,
-	.round_rate	= s3c24xx_round_dclk_rate,
+	.ops		= &dclk_ops,
 };
 
 struct clk s3c24xx_dclk1 = {
@@ -176,19 +180,21 @@ struct clk s3c24xx_dclk1 = {
 	.id		= -1,
 	.ctrlbit	= S3C2410_DCLKCON_DCLK1EN,
 	.enable		= s3c24xx_dclk_enable,
-	.set_parent	= s3c24xx_dclk_setparent,
-	.set_rate	= s3c24xx_set_dclk_rate,
-	.round_rate	= s3c24xx_round_dclk_rate,
+	.ops		= &dclk_ops,
+};
+
+static struct clk_ops clkout_ops = {
+	.set_parent	= s3c24xx_clkout_setparent,
 };
 
 struct clk s3c24xx_clkout0 = {
 	.name		= "clkout0",
 	.id		= -1,
-	.set_parent	= s3c24xx_clkout_setparent,
+	.ops		= &clkout_ops,
 };
 
 struct clk s3c24xx_clkout1 = {
 	.name		= "clkout1",
 	.id		= -1,
-	.set_parent	= s3c24xx_clkout_setparent,
+	.ops		= &clkout_ops,
 };
diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c
index 4af9dd948793..9ca64df35bf6 100644
--- a/arch/arm/plat-s3c24xx/cpu.c
+++ b/arch/arm/plat-s3c24xx/cpu.c
@@ -49,9 +49,7 @@
 #include <plat/s3c2400.h>
 #include <plat/s3c2410.h>
 #include <plat/s3c2412.h>
-#include "s3c244x.h"
-#include <plat/s3c2440.h>
-#include <plat/s3c2442.h>
+#include <plat/s3c244x.h>
 #include <plat/s3c2443.h>
 
 /* table of supported CPUs */
diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c
index 7f686a31e672..8c6de1c9968f 100644
--- a/arch/arm/plat-s3c24xx/devs.c
+++ b/arch/arm/plat-s3c24xx/devs.c
@@ -32,6 +32,7 @@
 
 #include <plat/regs-serial.h>
 #include <plat/udc.h>
+#include <plat/mci.h>
 
 #include <plat/devs.h>
 #include <plat/cpu.h>
@@ -112,34 +113,6 @@ struct s3c24xx_uart_resources s3c2410_uart_resources[] __initdata = {
 	},
 };
 
-/* yart devices */
-
-static struct platform_device s3c24xx_uart_device0 = {
-	.id		= 0,
-};
-
-static struct platform_device s3c24xx_uart_device1 = {
-	.id		= 1,
-};
-
-static struct platform_device s3c24xx_uart_device2 = {
-	.id		= 2,
-};
-
-static struct platform_device s3c24xx_uart_device3 = {
-	.id		= 3,
-};
-
-struct platform_device *s3c24xx_uart_src[4] = {
-	&s3c24xx_uart_device0,
-	&s3c24xx_uart_device1,
-	&s3c24xx_uart_device2,
-	&s3c24xx_uart_device3,
-};
-
-struct platform_device *s3c24xx_uart_devs[4] = {
-};
-
 /* LCD Controller */
 
 static struct resource s3c_lcd_resource[] = {
@@ -185,9 +158,27 @@ void __init s3c24xx_fb_set_platdata(struct s3c2410fb_mach_info *pd)
 }
 
 /* Touchscreen */
+
+static struct resource s3c_ts_resource[] = {
+	[0] = {
+		.start = S3C24XX_PA_ADC,
+		.end   = S3C24XX_PA_ADC + S3C24XX_SZ_ADC - 1,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_TC,
+		.end   = IRQ_TC,
+		.flags = IORESOURCE_IRQ,
+	},
+
+};
+
 struct platform_device s3c_device_ts = {
 	.name		  = "s3c2410-ts",
 	.id		  = -1,
+	.dev.parent	= &s3c_device_adc.dev,
+	.num_resources	  = ARRAY_SIZE(s3c_ts_resource),
+	.resource	  = s3c_ts_resource,
 };
 EXPORT_SYMBOL(s3c_device_ts);
 
@@ -379,6 +370,18 @@ struct platform_device s3c_device_sdi = {
 
 EXPORT_SYMBOL(s3c_device_sdi);
 
+void s3c24xx_mci_set_platdata(struct s3c24xx_mci_pdata *pdata)
+{
+	struct s3c24xx_mci_pdata *npd;
+
+	npd = kmemdup(pdata, sizeof(struct s3c24xx_mci_pdata), GFP_KERNEL);
+	if (!npd)
+		printk(KERN_ERR "%s: no memory to copy pdata", __func__);
+
+	s3c_device_sdi.dev.platform_data = npd;
+}
+
+
 /* SPI (0) */
 
 static struct resource s3c_spi0_resource[] = {
diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c
index f0ea7943ac5a..93827b3d4e84 100644
--- a/arch/arm/plat-s3c24xx/dma.c
+++ b/arch/arm/plat-s3c24xx/dma.c
@@ -33,7 +33,7 @@
 #include <mach/dma.h>
 #include <mach/map.h>
 
-#include <plat/dma-plat.h>
+#include <plat/dma-s3c24xx.h>
 #include <plat/regs-dma.h>
 
 /* io map for dma */
diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c
index 6d7a961d3269..4f0f11a6a677 100644
--- a/arch/arm/plat-s3c24xx/gpiolib.c
+++ b/arch/arm/plat-s3c24xx/gpiolib.c
@@ -20,7 +20,7 @@
 #include <linux/io.h>
 #include <linux/gpio.h>
 
-#include <mach/gpio-core.h>
+#include <plat/gpio-core.h>
 #include <mach/hardware.h>
 #include <asm/irq.h>
 #include <plat/pm.h>
diff --git a/arch/arm/plat-s3c/include/plat/audio-simtec.h b/arch/arm/plat-s3c24xx/include/plat/audio-simtec.h
index 53a93656d5db..de5e88fdcb31 100644
--- a/arch/arm/plat-s3c/include/plat/audio-simtec.h
+++ b/arch/arm/plat-s3c24xx/include/plat/audio-simtec.h
@@ -1,4 +1,4 @@
-/* arch/arm/plat-s3c/include/plat/audio-simtec.h
+/* arch/arm/plat-s3c24xx/include/plat/audio-simtec.h
  *
  * Copyright 2008 Simtec Electronics
  *	http://armlinux.simtec.co.uk/
diff --git a/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h b/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h
index 33d421d78bad..d623235ae961 100644
--- a/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h
+++ b/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h
@@ -135,7 +135,7 @@ struct s3c_cpufreq_config {
  * @locktime_m: The lock-time in uS for the MPLL.
  * @locktime_u: The lock-time in uS for the UPLL.
  * @locttime_bits: The number of bits each LOCKTIME field.
- * @need_pll: Set if this driver needs to change the PLL values to acheive
+ * @need_pll: Set if this driver needs to change the PLL values to achieve
  *	any frequency changes. This is really only need by devices like the
  *	S3C2410 where there is no or limited divider between the PLL and the
  *	ARMCLK.
diff --git a/arch/arm/plat-s3c24xx/include/plat/mci.h b/arch/arm/plat-s3c24xx/include/plat/mci.h
index 36aaa10fad06..2ac2b21ec490 100644
--- a/arch/arm/plat-s3c24xx/include/plat/mci.h
+++ b/arch/arm/plat-s3c24xx/include/plat/mci.h
@@ -40,4 +40,13 @@ struct s3c24xx_mci_pdata {
 				     unsigned short vdd);
 };
 
+/**
+ * s3c24xx_mci_set_platdata - set platform data for mmc/sdi device
+ * @pdata: The platform data
+ *
+ * Copy the platform data supplied by @pdata so that this can be marked
+ * __initdata.
+ */
+extern void s3c24xx_mci_set_platdata(struct s3c24xx_mci_pdata *pdata);
+
 #endif /* _ARCH_NCI_H */
diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c2440.h b/arch/arm/plat-s3c24xx/include/plat/s3c2440.h
deleted file mode 100644
index 107853bf9481..000000000000
--- a/arch/arm/plat-s3c24xx/include/plat/s3c2440.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/* linux/include/asm-arm/plat-s3c24xx/s3c2440.h
- *
- * Copyright (c) 2004-2005 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *
- * Header file for s3c2440 cpu support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifdef CONFIG_CPU_S3C2440
-extern  int s3c2440_init(void);
-#else
-#define s3c2440_init NULL
-#endif
diff --git a/arch/arm/plat-s3c24xx/s3c244x.h b/arch/arm/plat-s3c24xx/include/plat/s3c244x.h
index 6aab5eaae2b4..307248d1ccbb 100644
--- a/arch/arm/plat-s3c24xx/s3c244x.h
+++ b/arch/arm/plat-s3c24xx/include/plat/s3c244x.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c24xx/s3c244x.h
+/* linux/arch/arm/plat-s3c24xx/include/plat/s3c244x.h
  *
  * Copyright (c) 2004-2005 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
@@ -23,3 +23,15 @@ extern void s3c244x_init_clocks(int xtal);
 #define s3c244x_init_uarts NULL
 #define s3c244x_map_io NULL
 #endif
+
+#ifdef CONFIG_CPU_S3C2440
+extern  int s3c2440_init(void);
+#else
+#define s3c2440_init NULL
+#endif
+
+#ifdef CONFIG_CPU_S3C2442
+extern  int s3c2442_init(void);
+#else
+#define s3c2442_init NULL
+#endif
diff --git a/arch/arm/plat-s3c64xx/Kconfig b/arch/arm/plat-s3c64xx/Kconfig
deleted file mode 100644
index e6da87a5885c..000000000000
--- a/arch/arm/plat-s3c64xx/Kconfig
+++ /dev/null
@@ -1,71 +0,0 @@
-# Copyright 2008 Openmoko, Inc.
-# Copyright 2008 Simtec Electronics
-#	Ben Dooks <ben@simtec.co.uk>
-#
-# Licensed under GPLv2
-
-config PLAT_S3C64XX
-	bool
-	depends on ARCH_S3C64XX
-	default y
-	select CPU_V6
-	select PLAT_S3C
-	select ARM_VIC
-	select NO_IOPORT
-	select ARCH_REQUIRE_GPIOLIB
-	select S3C_GPIO_TRACK
-	select S3C_GPIO_PULL_UPDOWN
-	select S3C_GPIO_CFG_S3C24XX
-	select S3C_GPIO_CFG_S3C64XX
-	select S3C_DEV_NAND
-	select USB_ARCH_HAS_OHCI
-	help
-	  Base platform code for any Samsung S3C64XX device
-
-if PLAT_S3C64XX
-
-# Configuration options shared by all S3C64XX implementations
-
-config CPU_S3C6400_INIT
-	bool
-	help
-	  Common initialisation code for the S3C6400 that is shared
-	  by other CPUs in the series, such as the S3C6410.
-
-config CPU_S3C6400_CLOCK
-	bool
-	help
-	  Common clock support code for the S3C6400 that is shared
-	  by other CPUs in the series, such as the S3C6410.
-
-config S3C64XX_DMA
-	bool "S3C64XX DMA"
-	select S3C_DMA
-
-# platform specific device setup
-
-config S3C64XX_SETUP_I2C0
-	bool
-	default y
-	help
-	  Common setup code for i2c bus 0.
-
-	  Note, currently since i2c0 is always compiled, this setup helper
-	  is always compiled with it.
-
-config S3C64XX_SETUP_I2C1
-	bool
-	help
-	  Common setup code for i2c bus 1.
-
-config S3C64XX_SETUP_FB_24BPP
-	bool
-	help
-	  Common setup code for S3C64XX with an 24bpp RGB display helper.
-
-config S3C64XX_SETUP_SDHCI_GPIO
-	bool
-	help
-	  Common setup code for S3C64XX SDHCI GPIO configurations
-
-endif
diff --git a/arch/arm/plat-s3c64xx/clock.c b/arch/arm/plat-s3c64xx/clock.c
deleted file mode 100644
index 7a36e899360d..000000000000
--- a/arch/arm/plat-s3c64xx/clock.c
+++ /dev/null
@@ -1,300 +0,0 @@
-/* linux/arch/arm/plat-s3c64xx/clock.c
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *	http://armlinux.simtec.co.uk/
- *
- * S3C64XX Base clock support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/ioport.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <mach/map.h>
-
-#include <plat/regs-sys.h>
-#include <plat/regs-clock.h>
-#include <plat/cpu.h>
-#include <plat/devs.h>
-#include <plat/clock.h>
-
-struct clk clk_h2 = {
-	.name		= "hclk2",
-	.id		= -1,
-	.rate		= 0,
-};
-
-struct clk clk_27m = {
-	.name		= "clk_27m",
-	.id		= -1,
-	.rate		= 27000000,
-};
-
-static int clk_48m_ctrl(struct clk *clk, int enable)
-{
-	unsigned long flags;
-	u32 val;
-
-	/* can't rely on clock lock, this register has other usages */
-	local_irq_save(flags);
-
-	val = __raw_readl(S3C64XX_OTHERS);
-	if (enable)
-		val |= S3C64XX_OTHERS_USBMASK;
-	else
-		val &= ~S3C64XX_OTHERS_USBMASK;
-
-	__raw_writel(val, S3C64XX_OTHERS);
-	local_irq_restore(flags);
-
-	return 0;
-}
-
-struct clk clk_48m = {
-	.name		= "clk_48m",
-	.id		= -1,
-	.rate		= 48000000,
-	.enable		= clk_48m_ctrl,
-};
-
-static int inline s3c64xx_gate(void __iomem *reg,
-				struct clk *clk,
-				int enable)
-{
-	unsigned int ctrlbit = clk->ctrlbit;
-	u32 con;
-
-	con = __raw_readl(reg);
-
-	if (enable)
-		con |= ctrlbit;
-	else
-		con &= ~ctrlbit;
-
-	__raw_writel(con, reg);
-	return 0;
-}
-
-static int s3c64xx_pclk_ctrl(struct clk *clk, int enable)
-{
-	return s3c64xx_gate(S3C_PCLK_GATE, clk, enable);
-}
-
-static int s3c64xx_hclk_ctrl(struct clk *clk, int enable)
-{
-	return s3c64xx_gate(S3C_HCLK_GATE, clk, enable);
-}
-
-int s3c64xx_sclk_ctrl(struct clk *clk, int enable)
-{
-	return s3c64xx_gate(S3C_SCLK_GATE, clk, enable);
-}
-
-static struct clk init_clocks_disable[] = {
-	{
-		.name		= "nand",
-		.id		= -1,
-		.parent		= &clk_h,
-	}, {
-		.name		= "adc",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s3c64xx_pclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_PCLK_TSADC,
-	}, {
-		.name		= "i2c",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s3c64xx_pclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_PCLK_IIC,
-	}, {
-		.name		= "iis",
-		.id		= 0,
-		.parent		= &clk_p,
-		.enable		= s3c64xx_pclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_PCLK_IIS0,
-	}, {
-		.name		= "iis",
-		.id		= 1,
-		.parent		= &clk_p,
-		.enable		= s3c64xx_pclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_PCLK_IIS1,
-	}, {
-		.name		= "spi",
-		.id		= 0,
-		.parent		= &clk_p,
-		.enable		= s3c64xx_pclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_PCLK_SPI0,
-	}, {
-		.name		= "spi",
-		.id		= 1,
-		.parent		= &clk_p,
-		.enable		= s3c64xx_pclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_PCLK_SPI1,
-	}, {
-		.name		= "48m",
-		.id		= 0,
-		.parent		= &clk_48m,
-		.enable		= s3c64xx_sclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_SCLK_MMC0_48,
-	}, {
-		.name		= "48m",
-		.id		= 1,
-		.parent		= &clk_48m,
-		.enable		= s3c64xx_sclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_SCLK_MMC1_48,
-	}, {
-		.name		= "48m",
-		.id		= 2,
-		.parent		= &clk_48m,
-		.enable		= s3c64xx_sclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_SCLK_MMC2_48,
-	}, {
-		.name		= "dma0",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s3c64xx_hclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_HCLK_DMA0,
-	}, {
-		.name		= "dma1",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s3c64xx_hclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_HCLK_DMA1,
-	},
-};
-
-static struct clk init_clocks[] = {
-	{
-		.name		= "lcd",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s3c64xx_hclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_HCLK_LCD,
-	}, {
-		.name		= "gpio",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s3c64xx_pclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_PCLK_GPIO,
-	}, {
-		.name		= "usb-host",
-		.id		= -1,
-		.parent		= &clk_h,
-		.enable		= s3c64xx_hclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_HCLK_UHOST,
-	}, {
-		.name		= "hsmmc",
-		.id		= 0,
-		.parent		= &clk_h,
-		.enable		= s3c64xx_hclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_HCLK_HSMMC0,
-	}, {
-		.name		= "hsmmc",
-		.id		= 1,
-		.parent		= &clk_h,
-		.enable		= s3c64xx_hclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_HCLK_HSMMC1,
-	}, {
-		.name		= "hsmmc",
-		.id		= 2,
-		.parent		= &clk_h,
-		.enable		= s3c64xx_hclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_HCLK_HSMMC2,
-	}, {
-		.name		= "timers",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s3c64xx_pclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_PCLK_PWM,
-	}, {
-		.name		= "uart",
-		.id		= 0,
-		.parent		= &clk_p,
-		.enable		= s3c64xx_pclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_PCLK_UART0,
-	}, {
-		.name		= "uart",
-		.id		= 1,
-		.parent		= &clk_p,
-		.enable		= s3c64xx_pclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_PCLK_UART1,
-	}, {
-		.name		= "uart",
-		.id		= 2,
-		.parent		= &clk_p,
-		.enable		= s3c64xx_pclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_PCLK_UART2,
-	}, {
-		.name		= "uart",
-		.id		= 3,
-		.parent		= &clk_p,
-		.enable		= s3c64xx_pclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_PCLK_UART3,
-	}, {
-		.name		= "rtc",
-		.id		= -1,
-		.parent		= &clk_p,
-		.enable		= s3c64xx_pclk_ctrl,
-		.ctrlbit	= S3C_CLKCON_PCLK_RTC,
-	}, {
-		.name		= "watchdog",
-		.id		= -1,
-		.parent		= &clk_p,
-		.ctrlbit	= S3C_CLKCON_PCLK_WDT,
-	}, {
-		.name		= "ac97",
-		.id		= -1,
-		.parent		= &clk_p,
-		.ctrlbit	= S3C_CLKCON_PCLK_AC97,
-	}
-};
-
-static struct clk *clks[] __initdata = {
-	&clk_ext,
-	&clk_epll,
-	&clk_27m,
-	&clk_48m,
-	&clk_h2,
-};
-
-void __init s3c64xx_register_clocks(void)
-{
-	struct clk *clkp;
-	int ret;
-	int ptr;
-
-	s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
-
-	clkp = init_clocks;
-	for (ptr = 0; ptr < ARRAY_SIZE(init_clocks); ptr++, clkp++) {
-		ret = s3c24xx_register_clock(clkp);
-		if (ret < 0) {
-			printk(KERN_ERR "Failed to register clock %s (%d)\n",
-			       clkp->name, ret);
-		}
-	}
-
-	clkp = init_clocks_disable;
-	for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
-
-		ret = s3c24xx_register_clock(clkp);
-		if (ret < 0) {
-			printk(KERN_ERR "Failed to register clock %s (%d)\n",
-			       clkp->name, ret);
-		}
-
-		(clkp->enable)(clkp, 0);
-	}
-
-	s3c_pwmclk_init();
-}
diff --git a/arch/arm/plat-s3c64xx/dev-audio.c b/arch/arm/plat-s3c64xx/dev-audio.c
deleted file mode 100644
index a21a88fbb7e3..000000000000
--- a/arch/arm/plat-s3c64xx/dev-audio.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/* linux/arch/arm/plat-s3c/dev-audio.c
- *
- * Copyright 2009 Wolfson Microelectronics
- *      Mark Brown <broonie@opensource.wolfsonmicro.com>
- *
-
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/platform_device.h>
-
-#include <mach/irqs.h>
-#include <mach/map.h>
-#include <mach/dma.h>
-#include <mach/gpio.h>
-
-#include <plat/devs.h>
-#include <plat/audio.h>
-#include <plat/gpio-bank-d.h>
-#include <plat/gpio-bank-e.h>
-#include <plat/gpio-cfg.h>
-
-static struct resource s3c64xx_iis0_resource[] = {
-	[0] = {
-		.start = S3C64XX_PA_IIS0,
-		.end   = S3C64XX_PA_IIS0 + 0x100 - 1,
-		.flags = IORESOURCE_MEM,
-	},
-};
-
-struct platform_device s3c64xx_device_iis0 = {
-	.name		  = "s3c64xx-iis",
-	.id		  = 0,
-	.num_resources	  = ARRAY_SIZE(s3c64xx_iis0_resource),
-	.resource	  = s3c64xx_iis0_resource,
-};
-EXPORT_SYMBOL(s3c64xx_device_iis0);
-
-static struct resource s3c64xx_iis1_resource[] = {
-	[0] = {
-		.start = S3C64XX_PA_IIS1,
-		.end   = S3C64XX_PA_IIS1 + 0x100 - 1,
-		.flags = IORESOURCE_MEM,
-	},
-};
-
-struct platform_device s3c64xx_device_iis1 = {
-	.name		  = "s3c64xx-iis",
-	.id		  = 1,
-	.num_resources	  = ARRAY_SIZE(s3c64xx_iis1_resource),
-	.resource	  = s3c64xx_iis1_resource,
-};
-EXPORT_SYMBOL(s3c64xx_device_iis1);
-
-static struct resource s3c64xx_iisv4_resource[] = {
-	[0] = {
-		.start = S3C64XX_PA_IISV4,
-		.end   = S3C64XX_PA_IISV4 + 0x100 - 1,
-		.flags = IORESOURCE_MEM,
-	},
-};
-
-struct platform_device s3c64xx_device_iisv4 = {
-	.name		  = "s3c64xx-iis-v4",
-	.id		  = -1,
-	.num_resources	  = ARRAY_SIZE(s3c64xx_iisv4_resource),
-	.resource	  = s3c64xx_iisv4_resource,
-};
-EXPORT_SYMBOL(s3c64xx_device_iisv4);
-
-
-/* PCM Controller platform_devices */
-
-static int s3c64xx_pcm_cfg_gpio(struct platform_device *pdev)
-{
-	switch (pdev->id) {
-	case 0:
-		s3c_gpio_cfgpin(S3C64XX_GPD(0), S3C64XX_GPD0_PCM0_SCLK);
-		s3c_gpio_cfgpin(S3C64XX_GPD(1), S3C64XX_GPD1_PCM0_EXTCLK);
-		s3c_gpio_cfgpin(S3C64XX_GPD(2), S3C64XX_GPD2_PCM0_FSYNC);
-		s3c_gpio_cfgpin(S3C64XX_GPD(3), S3C64XX_GPD3_PCM0_SIN);
-		s3c_gpio_cfgpin(S3C64XX_GPD(4), S3C64XX_GPD4_PCM0_SOUT);
-		break;
-	case 1:
-		s3c_gpio_cfgpin(S3C64XX_GPE(0), S3C64XX_GPE0_PCM1_SCLK);
-		s3c_gpio_cfgpin(S3C64XX_GPE(1), S3C64XX_GPE1_PCM1_EXTCLK);
-		s3c_gpio_cfgpin(S3C64XX_GPE(2), S3C64XX_GPE2_PCM1_FSYNC);
-		s3c_gpio_cfgpin(S3C64XX_GPE(3), S3C64XX_GPE3_PCM1_SIN);
-		s3c_gpio_cfgpin(S3C64XX_GPE(4), S3C64XX_GPE4_PCM1_SOUT);
-		break;
-	default:
-		printk(KERN_DEBUG "Invalid PCM Controller number!");
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static struct resource s3c64xx_pcm0_resource[] = {
-	[0] = {
-		.start = S3C64XX_PA_PCM0,
-		.end   = S3C64XX_PA_PCM0 + 0x100 - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start = DMACH_PCM0_TX,
-		.end   = DMACH_PCM0_TX,
-		.flags = IORESOURCE_DMA,
-	},
-	[2] = {
-		.start = DMACH_PCM0_RX,
-		.end   = DMACH_PCM0_RX,
-		.flags = IORESOURCE_DMA,
-	},
-};
-
-static struct s3c_audio_pdata s3c_pcm0_pdata = {
-	.cfg_gpio = s3c64xx_pcm_cfg_gpio,
-};
-
-struct platform_device s3c64xx_device_pcm0 = {
-	.name		  = "samsung-pcm",
-	.id		  = 0,
-	.num_resources	  = ARRAY_SIZE(s3c64xx_pcm0_resource),
-	.resource	  = s3c64xx_pcm0_resource,
-	.dev = {
-		.platform_data = &s3c_pcm0_pdata,
-	},
-};
-EXPORT_SYMBOL(s3c64xx_device_pcm0);
-
-static struct resource s3c64xx_pcm1_resource[] = {
-	[0] = {
-		.start = S3C64XX_PA_PCM1,
-		.end   = S3C64XX_PA_PCM1 + 0x100 - 1,
-		.flags = IORESOURCE_MEM,
-	},
-	[1] = {
-		.start = DMACH_PCM1_TX,
-		.end   = DMACH_PCM1_TX,
-		.flags = IORESOURCE_DMA,
-	},
-	[2] = {
-		.start = DMACH_PCM1_RX,
-		.end   = DMACH_PCM1_RX,
-		.flags = IORESOURCE_DMA,
-	},
-};
-
-static struct s3c_audio_pdata s3c_pcm1_pdata = {
-	.cfg_gpio = s3c64xx_pcm_cfg_gpio,
-};
-
-struct platform_device s3c64xx_device_pcm1 = {
-	.name		  = "samsung-pcm",
-	.id		  = 1,
-	.num_resources	  = ARRAY_SIZE(s3c64xx_pcm1_resource),
-	.resource	  = s3c64xx_pcm1_resource,
-	.dev = {
-		.platform_data = &s3c_pcm1_pdata,
-	},
-};
-EXPORT_SYMBOL(s3c64xx_device_pcm1);
diff --git a/arch/arm/plat-s3c64xx/irq.c b/arch/arm/plat-s3c64xx/irq.c
deleted file mode 100644
index 8dc5b6da9789..000000000000
--- a/arch/arm/plat-s3c64xx/irq.c
+++ /dev/null
@@ -1,256 +0,0 @@
-/* arch/arm/plat-s3c64xx/irq.c
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *      http://armlinux.simtec.co.uk/
- *
- * S3C64XX - Interrupt handling
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/interrupt.h>
-#include <linux/serial_core.h>
-#include <linux/irq.h>
-#include <linux/io.h>
-
-#include <asm/hardware/vic.h>
-
-#include <mach/map.h>
-#include <plat/regs-serial.h>
-#include <plat/regs-timer.h>
-#include <plat/cpu.h>
-
-/* Timer interrupt handling */
-
-static void s3c_irq_demux_timer(unsigned int base_irq, unsigned int sub_irq)
-{
-	generic_handle_irq(sub_irq);
-}
-
-static void s3c_irq_demux_timer0(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_timer(irq, IRQ_TIMER0);
-}
-
-static void s3c_irq_demux_timer1(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_timer(irq, IRQ_TIMER1);
-}
-
-static void s3c_irq_demux_timer2(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_timer(irq, IRQ_TIMER2);
-}
-
-static void s3c_irq_demux_timer3(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_timer(irq, IRQ_TIMER3);
-}
-
-static void s3c_irq_demux_timer4(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_timer(irq, IRQ_TIMER4);
-}
-
-/* We assume the IRQ_TIMER0..IRQ_TIMER4 range is continuous. */
-
-static void s3c_irq_timer_mask(unsigned int irq)
-{
-	u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
-
-	reg &= 0x1f;  /* mask out pending interrupts */
-	reg &= ~(1 << (irq - IRQ_TIMER0));
-	__raw_writel(reg, S3C64XX_TINT_CSTAT);
-}
-
-static void s3c_irq_timer_unmask(unsigned int irq)
-{
-	u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
-
-	reg &= 0x1f;  /* mask out pending interrupts */
-	reg |= 1 << (irq - IRQ_TIMER0);
-	__raw_writel(reg, S3C64XX_TINT_CSTAT);
-}
-
-static void s3c_irq_timer_ack(unsigned int irq)
-{
-	u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
-
-	reg &= 0x1f;
-	reg |= (1 << 5) << (irq - IRQ_TIMER0);
-	__raw_writel(reg, S3C64XX_TINT_CSTAT);
-}
-
-static struct irq_chip s3c_irq_timer = {
-	.name		= "s3c-timer",
-	.mask		= s3c_irq_timer_mask,
-	.unmask		= s3c_irq_timer_unmask,
-	.ack		= s3c_irq_timer_ack,
-};
-
-struct uart_irq {
-	void __iomem	*regs;
-	unsigned int	 base_irq;
-	unsigned int	 parent_irq;
-};
-
-/* Note, we make use of the fact that the parent IRQs, IRQ_UART[0..3]
- * are consecutive when looking up the interrupt in the demux routines.
- */
-static struct uart_irq uart_irqs[] = {
-	[0] = {
-		.regs		= S3C_VA_UART0,
-		.base_irq	= IRQ_S3CUART_BASE0,
-		.parent_irq	= IRQ_UART0,
-	},
-	[1] = {
-		.regs		= S3C_VA_UART1,
-		.base_irq	= IRQ_S3CUART_BASE1,
-		.parent_irq	= IRQ_UART1,
-	},
-	[2] = {
-		.regs		= S3C_VA_UART2,
-		.base_irq	= IRQ_S3CUART_BASE2,
-		.parent_irq	= IRQ_UART2,
-	},
-	[3] = {
-		.regs		= S3C_VA_UART3,
-		.base_irq	= IRQ_S3CUART_BASE3,
-		.parent_irq	= IRQ_UART3,
-	},
-};
-
-static inline void __iomem *s3c_irq_uart_base(unsigned int irq)
-{
-	struct uart_irq *uirq = get_irq_chip_data(irq);
-	return uirq->regs;
-}
-
-static inline unsigned int s3c_irq_uart_bit(unsigned int irq)
-{
-	return irq & 3;
-}
-
-/* UART interrupt registers, not worth adding to seperate include header */
-
-static void s3c_irq_uart_mask(unsigned int irq)
-{
-	void __iomem *regs = s3c_irq_uart_base(irq);
-	unsigned int bit = s3c_irq_uart_bit(irq);
-	u32 reg;
-
-	reg = __raw_readl(regs + S3C64XX_UINTM);
-	reg |= (1 << bit);
-	__raw_writel(reg, regs + S3C64XX_UINTM);
-}
-
-static void s3c_irq_uart_maskack(unsigned int irq)
-{
-	void __iomem *regs = s3c_irq_uart_base(irq);
-	unsigned int bit = s3c_irq_uart_bit(irq);
-	u32 reg;
-
-	reg = __raw_readl(regs + S3C64XX_UINTM);
-	reg |= (1 << bit);
-	__raw_writel(reg, regs + S3C64XX_UINTM);
-	__raw_writel(1 << bit, regs + S3C64XX_UINTP);
-}
-
-static void s3c_irq_uart_unmask(unsigned int irq)
-{
-	void __iomem *regs = s3c_irq_uart_base(irq);
-	unsigned int bit = s3c_irq_uart_bit(irq);
-	u32 reg;
-
-	reg = __raw_readl(regs + S3C64XX_UINTM);
-	reg &= ~(1 << bit);
-	__raw_writel(reg, regs + S3C64XX_UINTM);
-}
-
-static void s3c_irq_uart_ack(unsigned int irq)
-{
-	void __iomem *regs = s3c_irq_uart_base(irq);
-	unsigned int bit = s3c_irq_uart_bit(irq);
-
-	__raw_writel(1 << bit, regs + S3C64XX_UINTP);
-}
-
-static void s3c_irq_demux_uart(unsigned int irq, struct irq_desc *desc)
-{
-	struct uart_irq *uirq = &uart_irqs[irq - IRQ_UART0];
-	u32 pend = __raw_readl(uirq->regs + S3C64XX_UINTP);
-	int base = uirq->base_irq;
-
-	if (pend & (1 << 0))
-		generic_handle_irq(base);
-	if (pend & (1 << 1))
-		generic_handle_irq(base + 1);
-	if (pend & (1 << 2))
-		generic_handle_irq(base + 2);
-	if (pend & (1 << 3))
-		generic_handle_irq(base + 3);
-}
-
-static struct irq_chip s3c_irq_uart = {
-	.name		= "s3c-uart",
-	.mask		= s3c_irq_uart_mask,
-	.unmask		= s3c_irq_uart_unmask,
-	.mask_ack	= s3c_irq_uart_maskack,
-	.ack		= s3c_irq_uart_ack,
-};
-
-static void __init s3c64xx_uart_irq(struct uart_irq *uirq)
-{
-	void __iomem *reg_base = uirq->regs;
-	unsigned int irq;
-	int offs;
-
-	/* mask all interrupts at the start. */
-	__raw_writel(0xf, reg_base + S3C64XX_UINTM);
-
-	for (offs = 0; offs < 3; offs++) {
-		irq = uirq->base_irq + offs;
-
-		set_irq_chip(irq, &s3c_irq_uart);
-		set_irq_chip_data(irq, uirq);
-		set_irq_handler(irq, handle_level_irq);
-		set_irq_flags(irq, IRQF_VALID);
-	}
-
-	set_irq_chained_handler(uirq->parent_irq, s3c_irq_demux_uart);
-}
-
-void __init s3c64xx_init_irq(u32 vic0_valid, u32 vic1_valid)
-{
-	int uart, irq;
-
-	printk(KERN_DEBUG "%s: initialising interrupts\n", __func__);
-
-	/* initialise the pair of VICs */
-	vic_init(S3C_VA_VIC0, S3C_VIC0_BASE, vic0_valid, 0);
-	vic_init(S3C_VA_VIC1, S3C_VIC1_BASE, vic1_valid, 0);
-
-	/* add the timer sub-irqs */
-
-	set_irq_chained_handler(IRQ_TIMER0_VIC, s3c_irq_demux_timer0);
-	set_irq_chained_handler(IRQ_TIMER1_VIC, s3c_irq_demux_timer1);
-	set_irq_chained_handler(IRQ_TIMER2_VIC, s3c_irq_demux_timer2);
-	set_irq_chained_handler(IRQ_TIMER3_VIC, s3c_irq_demux_timer3);
-	set_irq_chained_handler(IRQ_TIMER4_VIC, s3c_irq_demux_timer4);
-
-	for (irq = IRQ_TIMER0; irq <= IRQ_TIMER4; irq++) {
-		set_irq_chip(irq, &s3c_irq_timer);
-		set_irq_handler(irq, handle_level_irq);
-		set_irq_flags(irq, IRQF_VALID);
-	}
-
-	for (uart = 0; uart < ARRAY_SIZE(uart_irqs); uart++)
-		s3c64xx_uart_irq(&uart_irqs[uart]);
-}
-
-
diff --git a/arch/arm/plat-s3c64xx/s3c6400-clock.c b/arch/arm/plat-s3c64xx/s3c6400-clock.c
deleted file mode 100644
index ffd56deb9e81..000000000000
--- a/arch/arm/plat-s3c64xx/s3c6400-clock.c
+++ /dev/null
@@ -1,758 +0,0 @@
-/* linux/arch/arm/plat-s3c64xx/s3c6400-clock.c
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *	Ben Dooks <ben@simtec.co.uk>
- *	http://armlinux.simtec.co.uk/
- *
- * S3C6400 based common clock support
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/list.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/sysdev.h>
-#include <linux/io.h>
-
-#include <mach/hardware.h>
-#include <mach/map.h>
-
-#include <plat/cpu-freq.h>
-
-#include <plat/regs-clock.h>
-#include <plat/clock.h>
-#include <plat/cpu.h>
-#include <plat/pll.h>
-
-/* fin_apll, fin_mpll and fin_epll are all the same clock, which we call
- * ext_xtal_mux for want of an actual name from the manual.
-*/
-
-static struct clk clk_ext_xtal_mux = {
-	.name		= "ext_xtal",
-	.id		= -1,
-};
-
-#define clk_fin_apll clk_ext_xtal_mux
-#define clk_fin_mpll clk_ext_xtal_mux
-#define clk_fin_epll clk_ext_xtal_mux
-
-#define clk_fout_mpll	clk_mpll
-#define clk_fout_epll	clk_epll
-
-struct clk_sources {
-	unsigned int	nr_sources;
-	struct clk	**sources;
-};
-
-struct clksrc_clk {
-	struct clk		clk;
-	unsigned int		mask;
-	unsigned int		shift;
-
-	struct clk_sources	*sources;
-
-	unsigned int		divider_shift;
-	void __iomem		*reg_divider;
-};
-
-static struct clk clk_fout_apll = {
-	.name		= "fout_apll",
-	.id		= -1,
-};
-
-static struct clk *clk_src_apll_list[] = {
-	[0] = &clk_fin_apll,
-	[1] = &clk_fout_apll,
-};
-
-static struct clk_sources clk_src_apll = {
-	.sources	= clk_src_apll_list,
-	.nr_sources	= ARRAY_SIZE(clk_src_apll_list),
-};
-
-static struct clksrc_clk clk_mout_apll = {
-	.clk	= {
-		.name		= "mout_apll",
-		.id		= -1,
-	},
-	.shift		= S3C6400_CLKSRC_APLL_MOUT_SHIFT,
-	.mask		= S3C6400_CLKSRC_APLL_MOUT,
-	.sources	= &clk_src_apll,
-};
-
-static struct clk *clk_src_epll_list[] = {
-	[0] = &clk_fin_epll,
-	[1] = &clk_fout_epll,
-};
-
-static struct clk_sources clk_src_epll = {
-	.sources	= clk_src_epll_list,
-	.nr_sources	= ARRAY_SIZE(clk_src_epll_list),
-};
-
-static struct clksrc_clk clk_mout_epll = {
-	.clk	= {
-		.name		= "mout_epll",
-		.id		= -1,
-	},
-	.shift		= S3C6400_CLKSRC_EPLL_MOUT_SHIFT,
-	.mask		= S3C6400_CLKSRC_EPLL_MOUT,
-	.sources	= &clk_src_epll,
-};
-
-static struct clk *clk_src_mpll_list[] = {
-	[0] = &clk_fin_mpll,
-	[1] = &clk_fout_mpll,
-};
-
-static struct clk_sources clk_src_mpll = {
-	.sources	= clk_src_mpll_list,
-	.nr_sources	= ARRAY_SIZE(clk_src_mpll_list),
-};
-
-static struct clksrc_clk clk_mout_mpll = {
-	.clk = {
-		.name		= "mout_mpll",
-		.id		= -1,
-	},
-	.shift		= S3C6400_CLKSRC_MPLL_MOUT_SHIFT,
-	.mask		= S3C6400_CLKSRC_MPLL_MOUT,
-	.sources	= &clk_src_mpll,
-};
-
-static unsigned int armclk_mask;
-
-static unsigned long s3c64xx_clk_arm_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-	u32 clkdiv;
-
-	/* divisor mask starts at bit0, so no need to shift */
-	clkdiv = __raw_readl(S3C_CLK_DIV0) & armclk_mask;
-
-	return rate / (clkdiv + 1);
-}
-
-static unsigned long s3c64xx_clk_arm_round_rate(struct clk *clk,
-						unsigned long rate)
-{
-	unsigned long parent = clk_get_rate(clk->parent);
-	u32 div;
-
-	if (parent < rate)
-		return parent;
-
-	div = (parent / rate) - 1;
-	if (div > armclk_mask)
-		div = armclk_mask;
-
-	return parent / (div + 1);
-}
-
-static int s3c64xx_clk_arm_set_rate(struct clk *clk, unsigned long rate)
-{
-	unsigned long parent = clk_get_rate(clk->parent);
-	u32 div;
-	u32 val;
-
-	if (rate < parent / (armclk_mask + 1))
-		return -EINVAL;
-
-	rate = clk_round_rate(clk, rate);
-	div = clk_get_rate(clk->parent) / rate;
-
-	val = __raw_readl(S3C_CLK_DIV0);
-	val &= ~armclk_mask;
-	val |= (div - 1);
-	__raw_writel(val, S3C_CLK_DIV0);
-
-	return 0;
-
-}
-
-static struct clk clk_arm = {
-	.name		= "armclk",
-	.id		= -1,
-	.parent		= &clk_mout_apll.clk,
-	.get_rate	= s3c64xx_clk_arm_get_rate,
-	.set_rate	= s3c64xx_clk_arm_set_rate,
-	.round_rate	= s3c64xx_clk_arm_round_rate,
-};
-
-static unsigned long s3c64xx_clk_doutmpll_get_rate(struct clk *clk)
-{
-	unsigned long rate = clk_get_rate(clk->parent);
-
-	printk(KERN_DEBUG "%s: parent is %ld\n", __func__, rate);
-
-	if (__raw_readl(S3C_CLK_DIV0) & S3C6400_CLKDIV0_MPLL_MASK)
-		rate /= 2;
-
-	return rate;
-}
-
-static struct clk clk_dout_mpll = {
-	.name		= "dout_mpll",
-	.id		= -1,
-	.parent		= &clk_mout_mpll.clk,
-	.get_rate	= s3c64xx_clk_doutmpll_get_rate,
-};
-
-static struct clk *clkset_spi_mmc_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll,
-	&clk_fin_epll,
-	&clk_27m,
-};
-
-static struct clk_sources clkset_spi_mmc = {
-	.sources	= clkset_spi_mmc_list,
-	.nr_sources	= ARRAY_SIZE(clkset_spi_mmc_list),
-};
-
-static struct clk *clkset_irda_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll,
-	NULL,
-	&clk_27m,
-};
-
-static struct clk_sources clkset_irda = {
-	.sources	= clkset_irda_list,
-	.nr_sources	= ARRAY_SIZE(clkset_irda_list),
-};
-
-static struct clk *clkset_uart_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll,
-	NULL,
-	NULL
-};
-
-static struct clk_sources clkset_uart = {
-	.sources	= clkset_uart_list,
-	.nr_sources	= ARRAY_SIZE(clkset_uart_list),
-};
-
-static struct clk *clkset_uhost_list[] = {
-	&clk_48m,
-	&clk_mout_epll.clk,
-	&clk_dout_mpll,
-	&clk_fin_epll,
-};
-
-static struct clk_sources clkset_uhost = {
-	.sources	= clkset_uhost_list,
-	.nr_sources	= ARRAY_SIZE(clkset_uhost_list),
-};
-
-
-/* The peripheral clocks are all controlled via clocksource followed
- * by an optional divider and gate stage. We currently roll this into
- * one clock which hides the intermediate clock from the mux.
- *
- * Note, the JPEG clock can only be an even divider...
- *
- * The scaler and LCD clocks depend on the S3C64XX version, and also
- * have a common parent divisor so are not included here.
- */
-
-static inline struct clksrc_clk *to_clksrc(struct clk *clk)
-{
-	return container_of(clk, struct clksrc_clk, clk);
-}
-
-static unsigned long s3c64xx_getrate_clksrc(struct clk *clk)
-{
-	struct clksrc_clk *sclk = to_clksrc(clk);
-	unsigned long rate = clk_get_rate(clk->parent);
-	u32 clkdiv = __raw_readl(sclk->reg_divider);
-
-	clkdiv >>= sclk->divider_shift;
-	clkdiv &= 0xf;
-	clkdiv++;
-
-	rate /= clkdiv;
-	return rate;
-}
-
-static int s3c64xx_setrate_clksrc(struct clk *clk, unsigned long rate)
-{
-	struct clksrc_clk *sclk = to_clksrc(clk);
-	void __iomem *reg = sclk->reg_divider;
-	unsigned int div;
-	u32 val;
-
-	rate = clk_round_rate(clk, rate);
-	div = clk_get_rate(clk->parent) / rate;
-	if (div > 16)
-		return -EINVAL;
-
-	val = __raw_readl(reg);
-	val &= ~(0xf << sclk->divider_shift);
-	val |= (div - 1) << sclk->divider_shift;
-	__raw_writel(val, reg);
-
-	return 0;
-}
-
-static int s3c64xx_setparent_clksrc(struct clk *clk, struct clk *parent)
-{
-	struct clksrc_clk *sclk = to_clksrc(clk);
-	struct clk_sources *srcs = sclk->sources;
-	u32 clksrc = __raw_readl(S3C_CLK_SRC);
-	int src_nr = -1;
-	int ptr;
-
-	for (ptr = 0; ptr < srcs->nr_sources; ptr++)
-		if (srcs->sources[ptr] == parent) {
-			src_nr = ptr;
-			break;
-		}
-
-	if (src_nr >= 0) {
-		clksrc &= ~sclk->mask;
-		clksrc |= src_nr << sclk->shift;
-
-		__raw_writel(clksrc, S3C_CLK_SRC);
-
-		clk->parent = parent;
-		return 0;
-	}
-
-	return -EINVAL;
-}
-
-static unsigned long s3c64xx_roundrate_clksrc(struct clk *clk,
-					      unsigned long rate)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	int div;
-
-	if (rate > parent_rate)
-		rate = parent_rate;
-	else {
-		div = parent_rate / rate;
-
-		if (div == 0)
-			div = 1;
-		if (div > 16)
-			div = 16;
-
-		rate = parent_rate / div;
-	}
-
-	return rate;
-}
-
-static struct clksrc_clk clk_mmc0 = {
-	.clk	= {
-		.name		= "mmc_bus",
-		.id		= 0,
-		.ctrlbit        = S3C_CLKCON_SCLK_MMC0,
-		.enable		= s3c64xx_sclk_ctrl,
-		.set_parent	= s3c64xx_setparent_clksrc,
-		.get_rate	= s3c64xx_getrate_clksrc,
-		.set_rate	= s3c64xx_setrate_clksrc,
-		.round_rate	= s3c64xx_roundrate_clksrc,
-	},
-	.shift		= S3C6400_CLKSRC_MMC0_SHIFT,
-	.mask		= S3C6400_CLKSRC_MMC0_MASK,
-	.sources	= &clkset_spi_mmc,
-	.divider_shift	= S3C6400_CLKDIV1_MMC0_SHIFT,
-	.reg_divider	= S3C_CLK_DIV1,
-};
-
-static struct clksrc_clk clk_mmc1 = {
-	.clk	= {
-		.name		= "mmc_bus",
-		.id		= 1,
-		.ctrlbit        = S3C_CLKCON_SCLK_MMC1,
-		.enable		= s3c64xx_sclk_ctrl,
-		.get_rate	= s3c64xx_getrate_clksrc,
-		.set_rate	= s3c64xx_setrate_clksrc,
-		.set_parent	= s3c64xx_setparent_clksrc,
-		.round_rate	= s3c64xx_roundrate_clksrc,
-	},
-	.shift		= S3C6400_CLKSRC_MMC1_SHIFT,
-	.mask		= S3C6400_CLKSRC_MMC1_MASK,
-	.sources	= &clkset_spi_mmc,
-	.divider_shift	= S3C6400_CLKDIV1_MMC1_SHIFT,
-	.reg_divider	= S3C_CLK_DIV1,
-};
-
-static struct clksrc_clk clk_mmc2 = {
-	.clk	= {
-		.name		= "mmc_bus",
-		.id		= 2,
-		.ctrlbit        = S3C_CLKCON_SCLK_MMC2,
-		.enable		= s3c64xx_sclk_ctrl,
-		.get_rate	= s3c64xx_getrate_clksrc,
-		.set_rate	= s3c64xx_setrate_clksrc,
-		.set_parent	= s3c64xx_setparent_clksrc,
-		.round_rate	= s3c64xx_roundrate_clksrc,
-	},
-	.shift		= S3C6400_CLKSRC_MMC2_SHIFT,
-	.mask		= S3C6400_CLKSRC_MMC2_MASK,
-	.sources	= &clkset_spi_mmc,
-	.divider_shift	= S3C6400_CLKDIV1_MMC2_SHIFT,
-	.reg_divider	= S3C_CLK_DIV1,
-};
-
-static struct clksrc_clk clk_usbhost = {
-	.clk	= {
-		.name		= "usb-bus-host",
-		.id		= -1,
-		.ctrlbit        = S3C_CLKCON_SCLK_UHOST,
-		.enable		= s3c64xx_sclk_ctrl,
-		.set_parent	= s3c64xx_setparent_clksrc,
-		.get_rate	= s3c64xx_getrate_clksrc,
-		.set_rate	= s3c64xx_setrate_clksrc,
-		.round_rate	= s3c64xx_roundrate_clksrc,
-	},
-	.shift		= S3C6400_CLKSRC_UHOST_SHIFT,
-	.mask		= S3C6400_CLKSRC_UHOST_MASK,
-	.sources	= &clkset_uhost,
-	.divider_shift	= S3C6400_CLKDIV1_UHOST_SHIFT,
-	.reg_divider	= S3C_CLK_DIV1,
-};
-
-static struct clksrc_clk clk_uart_uclk1 = {
-	.clk	= {
-		.name		= "uclk1",
-		.id		= -1,
-		.ctrlbit        = S3C_CLKCON_SCLK_UART,
-		.enable		= s3c64xx_sclk_ctrl,
-		.set_parent	= s3c64xx_setparent_clksrc,
-		.get_rate	= s3c64xx_getrate_clksrc,
-		.set_rate	= s3c64xx_setrate_clksrc,
-		.round_rate	= s3c64xx_roundrate_clksrc,
-	},
-	.shift		= S3C6400_CLKSRC_UART_SHIFT,
-	.mask		= S3C6400_CLKSRC_UART_MASK,
-	.sources	= &clkset_uart,
-	.divider_shift	= S3C6400_CLKDIV2_UART_SHIFT,
-	.reg_divider	= S3C_CLK_DIV2,
-};
-
-/* Where does UCLK0 come from? */
-
-static struct clksrc_clk clk_spi0 = {
-	.clk	= {
-		.name		= "spi-bus",
-		.id		= 0,
-		.ctrlbit        = S3C_CLKCON_SCLK_SPI0,
-		.enable		= s3c64xx_sclk_ctrl,
-		.set_parent	= s3c64xx_setparent_clksrc,
-		.get_rate	= s3c64xx_getrate_clksrc,
-		.set_rate	= s3c64xx_setrate_clksrc,
-		.round_rate	= s3c64xx_roundrate_clksrc,
-	},
-	.shift		= S3C6400_CLKSRC_SPI0_SHIFT,
-	.mask		= S3C6400_CLKSRC_SPI0_MASK,
-	.sources	= &clkset_spi_mmc,
-	.divider_shift	= S3C6400_CLKDIV2_SPI0_SHIFT,
-	.reg_divider	= S3C_CLK_DIV2,
-};
-
-static struct clksrc_clk clk_spi1 = {
-	.clk	= {
-		.name		= "spi-bus",
-		.id		= 1,
-		.ctrlbit        = S3C_CLKCON_SCLK_SPI1,
-		.enable		= s3c64xx_sclk_ctrl,
-		.set_parent	= s3c64xx_setparent_clksrc,
-		.get_rate	= s3c64xx_getrate_clksrc,
-		.set_rate	= s3c64xx_setrate_clksrc,
-		.round_rate	= s3c64xx_roundrate_clksrc,
-	},
-	.shift		= S3C6400_CLKSRC_SPI1_SHIFT,
-	.mask		= S3C6400_CLKSRC_SPI1_MASK,
-	.sources	= &clkset_spi_mmc,
-	.divider_shift	= S3C6400_CLKDIV2_SPI1_SHIFT,
-	.reg_divider	= S3C_CLK_DIV2,
-};
-
-static struct clk clk_iis_cd0 = {
-	.name		= "iis_cdclk0",
-	.id		= -1,
-};
-
-static struct clk clk_iis_cd1 = {
-	.name		= "iis_cdclk1",
-	.id		= -1,
-};
-
-static struct clk clk_pcm_cd = {
-	.name		= "pcm_cdclk",
-	.id		= -1,
-};
-
-static struct clk *clkset_audio0_list[] = {
-	[0] = &clk_mout_epll.clk,
-	[1] = &clk_dout_mpll,
-	[2] = &clk_fin_epll,
-	[3] = &clk_iis_cd0,
-	[4] = &clk_pcm_cd,
-};
-
-static struct clk_sources clkset_audio0 = {
-	.sources	= clkset_audio0_list,
-	.nr_sources	= ARRAY_SIZE(clkset_audio0_list),
-};
-
-static struct clksrc_clk clk_audio0 = {
-	.clk	= {
-		.name		= "audio-bus",
-		.id		= 0,
-		.ctrlbit        = S3C_CLKCON_SCLK_AUDIO0,
-		.enable		= s3c64xx_sclk_ctrl,
-		.set_parent	= s3c64xx_setparent_clksrc,
-		.get_rate	= s3c64xx_getrate_clksrc,
-		.set_rate	= s3c64xx_setrate_clksrc,
-		.round_rate	= s3c64xx_roundrate_clksrc,
-	},
-	.shift		= S3C6400_CLKSRC_AUDIO0_SHIFT,
-	.mask		= S3C6400_CLKSRC_AUDIO0_MASK,
-	.sources	= &clkset_audio0,
-	.divider_shift	= S3C6400_CLKDIV2_AUDIO0_SHIFT,
-	.reg_divider	= S3C_CLK_DIV2,
-};
-
-static struct clk *clkset_audio1_list[] = {
-	[0] = &clk_mout_epll.clk,
-	[1] = &clk_dout_mpll,
-	[2] = &clk_fin_epll,
-	[3] = &clk_iis_cd1,
-	[4] = &clk_pcm_cd,
-};
-
-static struct clk_sources clkset_audio1 = {
-	.sources	= clkset_audio1_list,
-	.nr_sources	= ARRAY_SIZE(clkset_audio1_list),
-};
-
-static struct clksrc_clk clk_audio1 = {
-	.clk	= {
-		.name		= "audio-bus",
-		.id		= 1,
-		.ctrlbit        = S3C_CLKCON_SCLK_AUDIO1,
-		.enable		= s3c64xx_sclk_ctrl,
-		.set_parent	= s3c64xx_setparent_clksrc,
-		.get_rate	= s3c64xx_getrate_clksrc,
-		.set_rate	= s3c64xx_setrate_clksrc,
-		.round_rate	= s3c64xx_roundrate_clksrc,
-	},
-	.shift		= S3C6400_CLKSRC_AUDIO1_SHIFT,
-	.mask		= S3C6400_CLKSRC_AUDIO1_MASK,
-	.sources	= &clkset_audio1,
-	.divider_shift	= S3C6400_CLKDIV2_AUDIO1_SHIFT,
-	.reg_divider	= S3C_CLK_DIV2,
-};
-
-static struct clksrc_clk clk_irda = {
-	.clk	= {
-		.name		= "irda-bus",
-		.id		= 0,
-		.ctrlbit        = S3C_CLKCON_SCLK_IRDA,
-		.enable		= s3c64xx_sclk_ctrl,
-		.set_parent	= s3c64xx_setparent_clksrc,
-		.get_rate	= s3c64xx_getrate_clksrc,
-		.set_rate	= s3c64xx_setrate_clksrc,
-		.round_rate	= s3c64xx_roundrate_clksrc,
-	},
-	.shift		= S3C6400_CLKSRC_IRDA_SHIFT,
-	.mask		= S3C6400_CLKSRC_IRDA_MASK,
-	.sources	= &clkset_irda,
-	.divider_shift	= S3C6400_CLKDIV2_IRDA_SHIFT,
-	.reg_divider	= S3C_CLK_DIV2,
-};
-
-static struct clk *clkset_camif_list[] = {
-	&clk_h2,
-};
-
-static struct clk_sources clkset_camif = {
-	.sources	= clkset_camif_list,
-	.nr_sources	= ARRAY_SIZE(clkset_camif_list),
-};
-
-static struct clksrc_clk clk_camif = {
-	.clk	= {
-		.name		= "camera",
-		.id		= -1,
-		.ctrlbit        = S3C_CLKCON_SCLK_CAM,
-		.enable		= s3c64xx_sclk_ctrl,
-		.set_parent	= s3c64xx_setparent_clksrc,
-		.get_rate	= s3c64xx_getrate_clksrc,
-		.set_rate	= s3c64xx_setrate_clksrc,
-		.round_rate	= s3c64xx_roundrate_clksrc,
-	},
-	.shift		= 0,
-	.mask		= 0,
-	.sources	= &clkset_camif,
-	.divider_shift	= S3C6400_CLKDIV0_CAM_SHIFT,
-	.reg_divider	= S3C_CLK_DIV0,
-};
-
-/* Clock initialisation code */
-
-static struct clksrc_clk *init_parents[] = {
-	&clk_mout_apll,
-	&clk_mout_epll,
-	&clk_mout_mpll,
-	&clk_mmc0,
-	&clk_mmc1,
-	&clk_mmc2,
-	&clk_usbhost,
-	&clk_uart_uclk1,
-	&clk_spi0,
-	&clk_spi1,
-	&clk_audio0,
-	&clk_audio1,
-	&clk_irda,
-	&clk_camif,
-};
-
-static void __init_or_cpufreq s3c6400_set_clksrc(struct clksrc_clk *clk)
-{
-	struct clk_sources *srcs = clk->sources;
-	u32 clksrc = __raw_readl(S3C_CLK_SRC);
-
-	clksrc &= clk->mask;
-	clksrc >>= clk->shift;
-
-	if (clksrc > srcs->nr_sources || !srcs->sources[clksrc]) {
-		printk(KERN_ERR "%s: bad source %d\n",
-		       clk->clk.name, clksrc);
-		return;
-	}
-
-	clk->clk.parent = srcs->sources[clksrc];
-
-	printk(KERN_INFO "%s: source is %s (%d), rate is %ld\n",
-	       clk->clk.name, clk->clk.parent->name, clksrc,
-	       clk_get_rate(&clk->clk));
-}
-
-#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
-
-void __init_or_cpufreq s3c6400_setup_clocks(void)
-{
-	struct clk *xtal_clk;
-	unsigned long xtal;
-	unsigned long fclk;
-	unsigned long hclk;
-	unsigned long hclk2;
-	unsigned long pclk;
-	unsigned long epll;
-	unsigned long apll;
-	unsigned long mpll;
-	unsigned int ptr;
-	u32 clkdiv0;
-
-	printk(KERN_DEBUG "%s: registering clocks\n", __func__);
-
-	clkdiv0 = __raw_readl(S3C_CLK_DIV0);
-	printk(KERN_DEBUG "%s: clkdiv0 = %08x\n", __func__, clkdiv0);
-
-	xtal_clk = clk_get(NULL, "xtal");
-	BUG_ON(IS_ERR(xtal_clk));
-
-	xtal = clk_get_rate(xtal_clk);
-	clk_put(xtal_clk);
-
-	printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal);
-
-	/* For now assume the mux always selects the crystal */
-	clk_ext_xtal_mux.parent = xtal_clk;
-
-	epll = s3c6400_get_epll(xtal);
-	mpll = s3c6400_get_pll(xtal, __raw_readl(S3C_MPLL_CON));
-	apll = s3c6400_get_pll(xtal, __raw_readl(S3C_APLL_CON));
-
-	fclk = mpll;
-
-	printk(KERN_INFO "S3C64XX: PLL settings, A=%ld, M=%ld, E=%ld\n",
-	       apll, mpll, epll);
-
-	hclk2 = mpll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2);
-	hclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK);
-	pclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_PCLK);
-
-	printk(KERN_INFO "S3C64XX: HCLK2=%ld, HCLK=%ld, PCLK=%ld\n",
-	       hclk2, hclk, pclk);
-
-	clk_fout_mpll.rate = mpll;
-	clk_fout_epll.rate = epll;
-	clk_fout_apll.rate = apll;
-
-	clk_h2.rate = hclk2;
-	clk_h.rate = hclk;
-	clk_p.rate = pclk;
-	clk_f.rate = fclk;
-
-	for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++)
-		s3c6400_set_clksrc(init_parents[ptr]);
-}
-
-static struct clk *clks[] __initdata = {
-	&clk_ext_xtal_mux,
-	&clk_iis_cd0,
-	&clk_iis_cd1,
-	&clk_pcm_cd,
-	&clk_mout_epll.clk,
-	&clk_mout_mpll.clk,
-	&clk_dout_mpll,
-	&clk_mmc0.clk,
-	&clk_mmc1.clk,
-	&clk_mmc2.clk,
-	&clk_usbhost.clk,
-	&clk_uart_uclk1.clk,
-	&clk_spi0.clk,
-	&clk_spi1.clk,
-	&clk_audio0.clk,
-	&clk_audio1.clk,
-	&clk_irda.clk,
-	&clk_camif.clk,
-	&clk_arm,
-};
-
-/**
- * s3c6400_register_clocks - register clocks for s3c6400 and above
- * @armclk_divlimit: Divisor mask for ARMCLK
- *
- * Register the clocks for the S3C6400 and above SoC range, such
- * as ARMCLK and the clocks which have divider chains attached.
- *
- * This call does not setup the clocks, which is left to the
- * s3c6400_setup_clocks() call which may be needed by the cpufreq
- * or resume code to re-set the clocks if the bootloader has changed
- * them.
- */
-void __init s3c6400_register_clocks(unsigned armclk_divlimit)
-{
-	struct clk *clkp;
-	int ret;
-	int ptr;
-
-	armclk_mask = armclk_divlimit;
-
-	for (ptr = 0; ptr < ARRAY_SIZE(clks); ptr++) {
-		clkp = clks[ptr];
-		ret = s3c24xx_register_clock(clkp);
-		if (ret < 0) {
-			printk(KERN_ERR "Failed to register clock %s (%d)\n",
-			       clkp->name, ret);
-		}
-	}
-}
diff --git a/arch/arm/plat-s3c64xx/s3c6400-init.c b/arch/arm/plat-s3c64xx/s3c6400-init.c
deleted file mode 100644
index 6c28f39df097..000000000000
--- a/arch/arm/plat-s3c64xx/s3c6400-init.c
+++ /dev/null
@@ -1,29 +0,0 @@
-/* linux/arch/arm/plat-s3c64xx/s3c6400-init.c
- *
- * Copyright 2008 Openmoko, Inc.
- * Copyright 2008 Simtec Electronics
- *      Ben Dooks <ben@simtec.co.uk>
- *      http://armlinux.simtec.co.uk/
- *
- * S3C6400 - CPU initialisation (common with other S3C64XX chips)
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/types.h>
-#include <linux/init.h>
-
-#include <plat/cpu.h>
-#include <plat/devs.h>
-#include <plat/s3c6400.h>
-#include <plat/s3c6410.h>
-
-/* uart registration process */
-
-void __init s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no)
-{
-	s3c24xx_init_uartdevs("s3c6400-uart", s3c64xx_uart_resources, cfg, no);
-}
diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig
new file mode 100644
index 000000000000..d400a6a20fe4
--- /dev/null
+++ b/arch/arm/plat-s5p/Kconfig
@@ -0,0 +1,25 @@
+# arch/arm/plat-s5p/Kconfig
+#
+# Copyright (c) 2009 Samsung Electronics Co., Ltd.
+#		http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+config PLAT_S5P
+	bool
+	depends on (ARCH_S5P6440 || ARCH_S5P6442 || ARCH_S5PV210)
+	default y
+	select ARM_VIC
+	select NO_IOPORT
+	select ARCH_REQUIRE_GPIOLIB
+	select S3C_GPIO_TRACK
+	select SAMSUNG_GPIOLIB_4BIT
+	select S3C_GPIO_CFG_S3C64XX
+	select S3C_GPIO_PULL_UPDOWN
+	select S3C_GPIO_CFG_S3C24XX
+	select PLAT_SAMSUNG
+	select SAMSUNG_CLKSRC
+	select SAMSUNG_IRQ_VIC_TIMER
+	select SAMSUNG_IRQ_UART
+	help
+	  Base platform code for Samsung's S5P series SoC.
diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile
new file mode 100644
index 000000000000..a7c54b332d27
--- /dev/null
+++ b/arch/arm/plat-s5p/Makefile
@@ -0,0 +1,19 @@
+# arch/arm/plat-s5p/Makefile
+#
+# Copyright (c) 2009 Samsung Electronics Co., Ltd.
+# 		http://www.samsung.com/
+#
+# Licensed under GPLv2
+
+obj-y				:=
+obj-m				:=
+obj-n				:= dummy.o
+obj-				:=
+
+# Core files
+
+obj-y				+= dev-uart.o
+obj-y				+= cpu.o
+obj-y				+= clock.o
+obj-y				+= irq.o
+obj-y				+= setup-i2c0.o
diff --git a/arch/arm/plat-s5p/clock.c b/arch/arm/plat-s5p/clock.c
new file mode 100644
index 000000000000..aa96e335073b
--- /dev/null
+++ b/arch/arm/plat-s5p/clock.c
@@ -0,0 +1,149 @@
+/* linux/arch/arm/plat-s5p/clock.c
+ *
+ * Copyright 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P - Common clock support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/sysdev.h>
+#include <linux/io.h>
+#include <asm/div64.h>
+
+#include <plat/clock.h>
+#include <plat/clock-clksrc.h>
+#include <plat/s5p-clock.h>
+
+/* fin_apll, fin_mpll and fin_epll are all the same clock, which we call
+ * clk_ext_xtal_mux.
+*/
+struct clk clk_ext_xtal_mux = {
+	.name		= "ext_xtal",
+	.id		= -1,
+};
+
+static struct clk s5p_clk_27m = {
+	.name		= "clk_27m",
+	.id		= -1,
+	.rate		= 27000000,
+};
+
+/* 48MHz USB Phy clock output */
+struct clk clk_48m = {
+	.name		= "clk_48m",
+	.id		= -1,
+	.rate		= 48000000,
+};
+
+/* APLL clock output
+ * No need .ctrlbit, this is always on
+*/
+struct clk clk_fout_apll = {
+	.name		= "fout_apll",
+	.id		= -1,
+};
+
+/* MPLL clock output
+ * No need .ctrlbit, this is always on
+*/
+struct clk clk_fout_mpll = {
+	.name		= "fout_mpll",
+	.id		= -1,
+};
+
+/* EPLL clock output */
+struct clk clk_fout_epll = {
+	.name		= "fout_epll",
+	.id		= -1,
+	.ctrlbit	= (1 << 31),
+};
+
+/* ARM clock */
+struct clk clk_arm = {
+	.name		= "armclk",
+	.id		= -1,
+	.rate		= 0,
+	.ctrlbit	= 0,
+};
+
+/* Possible clock sources for APLL Mux */
+static struct clk *clk_src_apll_list[] = {
+	[0] = &clk_fin_apll,
+	[1] = &clk_fout_apll,
+};
+
+struct clksrc_sources clk_src_apll = {
+	.sources	= clk_src_apll_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_apll_list),
+};
+
+/* Possible clock sources for MPLL Mux */
+static struct clk *clk_src_mpll_list[] = {
+	[0] = &clk_fin_mpll,
+	[1] = &clk_fout_mpll,
+};
+
+struct clksrc_sources clk_src_mpll = {
+	.sources	= clk_src_mpll_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_mpll_list),
+};
+
+/* Possible clock sources for EPLL Mux */
+static struct clk *clk_src_epll_list[] = {
+	[0] = &clk_fin_epll,
+	[1] = &clk_fout_epll,
+};
+
+struct clksrc_sources clk_src_epll = {
+	.sources	= clk_src_epll_list,
+	.nr_sources	= ARRAY_SIZE(clk_src_epll_list),
+};
+
+struct clk clk_vpll = {
+	.name		= "vpll",
+	.id		= -1,
+};
+
+int s5p_gatectrl(void __iomem *reg, struct clk *clk, int enable)
+{
+	unsigned int ctrlbit = clk->ctrlbit;
+	u32 con;
+
+	con = __raw_readl(reg);
+	con = enable ? (con | ctrlbit) : (con & ~ctrlbit);
+	__raw_writel(con, reg);
+	return 0;
+}
+
+static struct clk *s5p_clks[] __initdata = {
+	&clk_ext_xtal_mux,
+	&clk_48m,
+	&s5p_clk_27m,
+	&clk_fout_apll,
+	&clk_fout_mpll,
+	&clk_fout_epll,
+	&clk_arm,
+	&clk_vpll,
+};
+
+void __init s5p_register_clocks(unsigned long xtal_freq)
+{
+	int ret;
+
+	clk_ext_xtal_mux.rate = xtal_freq;
+
+	ret = s3c24xx_register_clocks(s5p_clks, ARRAY_SIZE(s5p_clks));
+	if (ret > 0)
+		printk(KERN_ERR "Failed to register s5p clocks\n");
+}
diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c
new file mode 100644
index 000000000000..f92e5de3a755
--- /dev/null
+++ b/arch/arm/plat-s5p/cpu.c
@@ -0,0 +1,113 @@
+/* linux/arch/arm/plat-s5p/cpu.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P CPU Support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <mach/map.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <mach/regs-clock.h>
+#include <plat/cpu.h>
+#include <plat/s5p6440.h>
+#include <plat/s5p6442.h>
+#include <plat/s5pv210.h>
+
+/* table of supported CPUs */
+
+static const char name_s5p6440[] = "S5P6440";
+static const char name_s5p6442[] = "S5P6442";
+static const char name_s5pv210[] = "S5PV210/S5PC110";
+
+static struct cpu_table cpu_ids[] __initdata = {
+	{
+		.idcode		= 0x56440100,
+		.idmask		= 0xffffff00,
+		.map_io		= s5p6440_map_io,
+		.init_clocks	= s5p6440_init_clocks,
+		.init_uarts	= s5p6440_init_uarts,
+		.init		= s5p6440_init,
+		.name		= name_s5p6440,
+	}, {
+		.idcode		= 0x36442000,
+		.idmask		= 0xffffff00,
+		.map_io		= s5p6442_map_io,
+		.init_clocks	= s5p6442_init_clocks,
+		.init_uarts	= s5p6442_init_uarts,
+		.init		= s5p6442_init,
+		.name		= name_s5p6442,
+	}, {
+		.idcode		= 0x43110000,
+		.idmask		= 0xfffff000,
+		.map_io		= s5pv210_map_io,
+		.init_clocks	= s5pv210_init_clocks,
+		.init_uarts	= s5pv210_init_uarts,
+		.init		= s5pv210_init,
+		.name		= name_s5pv210,
+	},
+};
+
+/* minimal IO mapping */
+
+static struct map_desc s5p_iodesc[] __initdata = {
+	{
+		.virtual	= (unsigned long)S5P_VA_CHIPID,
+		.pfn		= __phys_to_pfn(S5P_PA_CHIPID),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_SYS,
+		.pfn		= __phys_to_pfn(S5P_PA_SYSCON),
+		.length		= SZ_64K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_UART,
+		.pfn		= __phys_to_pfn(S3C_PA_UART),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)VA_VIC0,
+		.pfn		= __phys_to_pfn(S5P_PA_VIC0),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)VA_VIC1,
+		.pfn		= __phys_to_pfn(S5P_PA_VIC1),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S3C_VA_TIMER,
+		.pfn		= __phys_to_pfn(S5P_PA_TIMER),
+		.length		= SZ_16K,
+		.type		= MT_DEVICE,
+	}, {
+		.virtual	= (unsigned long)S5P_VA_GPIO,
+		.pfn		= __phys_to_pfn(S5P_PA_GPIO),
+		.length		= SZ_4K,
+		.type		= MT_DEVICE,
+	},
+};
+
+/* read cpu identification code */
+
+void __init s5p_init_io(struct map_desc *mach_desc,
+			int size, void __iomem *cpuid_addr)
+{
+	unsigned long idcode;
+
+	/* initialize the io descriptors we need for initialization */
+	iotable_init(s5p_iodesc, ARRAY_SIZE(s5p_iodesc));
+	if (mach_desc)
+		iotable_init(mach_desc, size);
+
+	idcode = __raw_readl(cpuid_addr);
+	s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids));
+}
diff --git a/arch/arm/plat-s5p/dev-uart.c b/arch/arm/plat-s5p/dev-uart.c
new file mode 100644
index 000000000000..a89331ef4ae1
--- /dev/null
+++ b/arch/arm/plat-s5p/dev-uart.c
@@ -0,0 +1,139 @@
+/* linux/arch/arm/plat-s5p/dev-uart.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Base S5P UART resource and device definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <linux/list.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/irq.h>
+#include <mach/hardware.h>
+#include <mach/map.h>
+
+#include <plat/devs.h>
+
+ /* Serial port registrations */
+
+static struct resource s5p_uart0_resource[] = {
+	[0] = {
+		.start	= S5P_PA_UART0,
+		.end	= S5P_PA_UART0 + S5P_SZ_UART,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_S5P_UART_RX0,
+		.end	= IRQ_S5P_UART_RX0,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= IRQ_S5P_UART_TX0,
+		.end	= IRQ_S5P_UART_TX0,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[3] = {
+		.start	= IRQ_S5P_UART_ERR0,
+		.end	= IRQ_S5P_UART_ERR0,
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static struct resource s5p_uart1_resource[] = {
+	[0] = {
+		.start	= S5P_PA_UART1,
+		.end	= S5P_PA_UART1 + S5P_SZ_UART,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_S5P_UART_RX1,
+		.end	= IRQ_S5P_UART_RX1,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= IRQ_S5P_UART_TX1,
+		.end	= IRQ_S5P_UART_TX1,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[3] = {
+		.start	= IRQ_S5P_UART_ERR1,
+		.end	= IRQ_S5P_UART_ERR1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct resource s5p_uart2_resource[] = {
+	[0] = {
+		.start	= S5P_PA_UART2,
+		.end	= S5P_PA_UART2 + S5P_SZ_UART,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_S5P_UART_RX2,
+		.end	= IRQ_S5P_UART_RX2,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= IRQ_S5P_UART_TX2,
+		.end	= IRQ_S5P_UART_TX2,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[3] = {
+		.start	= IRQ_S5P_UART_ERR2,
+		.end	= IRQ_S5P_UART_ERR2,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct resource s5p_uart3_resource[] = {
+#if CONFIG_SERIAL_SAMSUNG_UARTS > 3
+	[0] = {
+		.start	= S5P_PA_UART3,
+		.end	= S5P_PA_UART3 + S5P_SZ_UART,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_S5P_UART_RX3,
+		.end	= IRQ_S5P_UART_RX3,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= IRQ_S5P_UART_TX3,
+		.end	= IRQ_S5P_UART_TX3,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[3] = {
+		.start	= IRQ_S5P_UART_ERR3,
+		.end	= IRQ_S5P_UART_ERR3,
+		.flags	= IORESOURCE_IRQ,
+	},
+#endif
+};
+
+struct s3c24xx_uart_resources s5p_uart_resources[] __initdata = {
+	[0] = {
+		.resources	= s5p_uart0_resource,
+		.nr_resources	= ARRAY_SIZE(s5p_uart0_resource),
+	},
+	[1] = {
+		.resources	= s5p_uart1_resource,
+		.nr_resources	= ARRAY_SIZE(s5p_uart1_resource),
+	},
+	[2] = {
+		.resources	= s5p_uart2_resource,
+		.nr_resources	= ARRAY_SIZE(s5p_uart2_resource),
+	},
+	[3] = {
+		.resources	= s5p_uart3_resource,
+		.nr_resources	= ARRAY_SIZE(s5p_uart3_resource),
+	},
+};
diff --git a/arch/arm/plat-s5p/include/plat/irqs.h b/arch/arm/plat-s5p/include/plat/irqs.h
new file mode 100644
index 000000000000..42e757f2e40c
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/irqs.h
@@ -0,0 +1,90 @@
+/* linux/arch/arm/plat-s5p/include/plat/irqs.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P Common IRQ support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_PLAT_S5P_IRQS_H
+#define __ASM_PLAT_S5P_IRQS_H __FILE__
+
+/* we keep the first set of CPU IRQs out of the range of
+ * the ISA space, so that the PC104 has them to itself
+ * and we don't end up having to do horrible things to the
+ * standard ISA drivers....
+ *
+ * note, since we're using the VICs, our start must be a
+ * mulitple of 32 to allow the common code to work
+ */
+
+#define S5P_IRQ_OFFSET		(32)
+
+#define S5P_IRQ(x)		((x) + S5P_IRQ_OFFSET)
+
+#define S5P_VIC0_BASE		S5P_IRQ(0)
+#define S5P_VIC1_BASE		S5P_IRQ(32)
+#define S5P_VIC2_BASE		S5P_IRQ(64)
+#define S5P_VIC3_BASE		S5P_IRQ(96)
+
+#define VIC_BASE(x)		(S5P_VIC0_BASE + ((x)*32))
+
+#define IRQ_VIC0_BASE		S5P_VIC0_BASE
+#define IRQ_VIC1_BASE		S5P_VIC1_BASE
+#define IRQ_VIC2_BASE		S5P_VIC2_BASE
+
+/* UART interrupts, each UART has 4 intterupts per channel so
+ * use the space between the ISA and S3C main interrupts. Note, these
+ * are not in the same order as the S3C24XX series! */
+
+#define IRQ_S5P_UART_BASE0	(16)
+#define IRQ_S5P_UART_BASE1	(20)
+#define IRQ_S5P_UART_BASE2	(24)
+#define IRQ_S5P_UART_BASE3	(28)
+
+#define UART_IRQ_RXD		(0)
+#define UART_IRQ_ERR		(1)
+#define UART_IRQ_TXD		(2)
+
+#define IRQ_S5P_UART_RX0	(IRQ_S5P_UART_BASE0 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX0	(IRQ_S5P_UART_BASE0 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR0	(IRQ_S5P_UART_BASE0 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX1	(IRQ_S5P_UART_BASE1 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX1	(IRQ_S5P_UART_BASE1 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR1	(IRQ_S5P_UART_BASE1 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX2	(IRQ_S5P_UART_BASE2 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX2	(IRQ_S5P_UART_BASE2 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR2	(IRQ_S5P_UART_BASE2 + UART_IRQ_ERR)
+
+#define IRQ_S5P_UART_RX3	(IRQ_S5P_UART_BASE3 + UART_IRQ_RXD)
+#define IRQ_S5P_UART_TX3	(IRQ_S5P_UART_BASE3 + UART_IRQ_TXD)
+#define IRQ_S5P_UART_ERR3	(IRQ_S5P_UART_BASE3 + UART_IRQ_ERR)
+
+/* S3C compatibilty defines */
+#define IRQ_S3CUART_RX0		IRQ_S5P_UART_RX0
+#define IRQ_S3CUART_RX1		IRQ_S5P_UART_RX1
+#define IRQ_S3CUART_RX2		IRQ_S5P_UART_RX2
+#define IRQ_S3CUART_RX3		IRQ_S5P_UART_RX3
+
+/* VIC based IRQs */
+
+#define S5P_IRQ_VIC0(x)		(S5P_VIC0_BASE + (x))
+#define S5P_IRQ_VIC1(x)		(S5P_VIC1_BASE + (x))
+#define S5P_IRQ_VIC2(x)		(S5P_VIC2_BASE + (x))
+#define S5P_IRQ_VIC3(x)		(S5P_VIC3_BASE + (x))
+
+#define S5P_TIMER_IRQ(x)	S5P_IRQ(11 + (x))
+
+#define IRQ_TIMER0		S5P_TIMER_IRQ(0)
+#define IRQ_TIMER1		S5P_TIMER_IRQ(1)
+#define IRQ_TIMER2		S5P_TIMER_IRQ(2)
+#define IRQ_TIMER3		S5P_TIMER_IRQ(3)
+#define IRQ_TIMER4		S5P_TIMER_IRQ(4)
+
+#endif /* __ASM_PLAT_S5P_IRQS_H */
diff --git a/arch/arm/plat-s5p/include/plat/map-s5p.h b/arch/arm/plat-s5p/include/plat/map-s5p.h
new file mode 100644
index 000000000000..14828521f70c
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/map-s5p.h
@@ -0,0 +1,34 @@
+/* linux/arch/arm/plat-s5p/include/plat/map-s5p.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P - Memory map definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_PLAT_MAP_S5P_H
+#define __ASM_PLAT_MAP_S5P_H __FILE__
+
+#define S5P_VA_CHIPID		S3C_ADDR(0x00700000)
+#define S5P_VA_GPIO		S3C_ADDR(0x00500000)
+#define S5P_VA_SYSTIMER		S3C_ADDR(0x01200000)
+#define S5P_VA_SROMC		S3C_ADDR(0x01100000)
+
+#define S5P_VA_UART0		(S3C_VA_UART + 0x0)
+#define S5P_VA_UART1		(S3C_VA_UART + 0x400)
+#define S5P_VA_UART2		(S3C_VA_UART + 0x800)
+#define S5P_VA_UART3		(S3C_VA_UART + 0xC00)
+
+#define S3C_UART_OFFSET		(0x400)
+
+#define VA_VIC(x)		(S3C_VA_IRQ + ((x) * 0x10000))
+#define VA_VIC0			VA_VIC(0)
+#define VA_VIC1			VA_VIC(1)
+#define VA_VIC2			VA_VIC(2)
+#define VA_VIC3			VA_VIC(3)
+
+#endif /* __ASM_PLAT_MAP_S5P_H */
diff --git a/arch/arm/plat-s5p/include/plat/pll.h b/arch/arm/plat-s5p/include/plat/pll.h
new file mode 100644
index 000000000000..d48325bb29e2
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/pll.h
@@ -0,0 +1,83 @@
+/* arch/arm/plat-s5p/include/plat/pll.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P PLL code
+ *
+ * Based on arch/arm/plat-s3c64xx/include/plat/pll.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#define PLL45XX_MDIV_MASK	(0x3FF)
+#define PLL45XX_PDIV_MASK	(0x3F)
+#define PLL45XX_SDIV_MASK	(0x7)
+#define PLL45XX_MDIV_SHIFT	(16)
+#define PLL45XX_PDIV_SHIFT	(8)
+#define PLL45XX_SDIV_SHIFT	(0)
+
+#include <asm/div64.h>
+
+enum pll45xx_type_t {
+	pll_4500,
+	pll_4502,
+	pll_4508
+};
+
+static inline unsigned long s5p_get_pll45xx(unsigned long baseclk, u32 pll_con,
+					    enum pll45xx_type_t pll_type)
+{
+	u32 mdiv, pdiv, sdiv;
+	u64 fvco = baseclk;
+
+	mdiv = (pll_con >> PLL45XX_MDIV_SHIFT) & PLL45XX_MDIV_MASK;
+	pdiv = (pll_con >> PLL45XX_PDIV_SHIFT) & PLL45XX_PDIV_MASK;
+	sdiv = (pll_con >> PLL45XX_SDIV_SHIFT) & PLL45XX_SDIV_MASK;
+
+	if (pll_type == pll_4508)
+		sdiv = sdiv - 1;
+
+	fvco *= mdiv;
+	do_div(fvco, (pdiv << sdiv));
+
+	return (unsigned long)fvco;
+}
+
+#define PLL90XX_MDIV_MASK	(0xFF)
+#define PLL90XX_PDIV_MASK	(0x3F)
+#define PLL90XX_SDIV_MASK	(0x7)
+#define PLL90XX_KDIV_MASK	(0xffff)
+#define PLL90XX_MDIV_SHIFT	(16)
+#define PLL90XX_PDIV_SHIFT	(8)
+#define PLL90XX_SDIV_SHIFT	(0)
+#define PLL90XX_KDIV_SHIFT	(0)
+
+static inline unsigned long s5p_get_pll90xx(unsigned long baseclk,
+					    u32 pll_con, u32 pll_conk)
+{
+	unsigned long result;
+	u32 mdiv, pdiv, sdiv, kdiv;
+	u64 tmp;
+
+	mdiv = (pll_con >> PLL90XX_MDIV_SHIFT) & PLL90XX_MDIV_MASK;
+	pdiv = (pll_con >> PLL90XX_PDIV_SHIFT) & PLL90XX_PDIV_MASK;
+	sdiv = (pll_con >> PLL90XX_SDIV_SHIFT) & PLL90XX_SDIV_MASK;
+	kdiv = pll_conk & PLL90XX_KDIV_MASK;
+
+	/* We need to multiple baseclk by mdiv (the integer part) and kdiv
+	 * which is in 2^16ths, so shift mdiv up (does not overflow) and
+	 * add kdiv before multiplying. The use of tmp is to avoid any
+	 * overflows before shifting bac down into result when multipling
+	 * by the mdiv and kdiv pair.
+	 */
+
+	tmp = baseclk;
+	tmp *= (mdiv << 16) + kdiv;
+	do_div(tmp, (pdiv << sdiv));
+	result = tmp >> 16;
+
+	return result;
+}
diff --git a/arch/arm/plat-s5p/include/plat/s5p-clock.h b/arch/arm/plat-s5p/include/plat/s5p-clock.h
new file mode 100644
index 000000000000..56fb8b414d41
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/s5p-clock.h
@@ -0,0 +1,40 @@
+/* linux/arch/arm/plat-s5p/include/plat/s5p-clock.h
+ *
+ * Copyright 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Header file for s5p clock support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_PLAT_S5P_CLOCK_H
+#define __ASM_PLAT_S5P_CLOCK_H __FILE__
+
+#include <linux/clk.h>
+
+#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
+
+#define clk_fin_apll clk_ext_xtal_mux
+#define clk_fin_mpll clk_ext_xtal_mux
+#define clk_fin_epll clk_ext_xtal_mux
+#define clk_fin_vpll clk_ext_xtal_mux
+
+extern struct clk clk_ext_xtal_mux;
+extern struct clk clk_48m;
+extern struct clk clk_fout_apll;
+extern struct clk clk_fout_mpll;
+extern struct clk clk_fout_epll;
+extern struct clk clk_arm;
+extern struct clk clk_vpll;
+
+extern struct clksrc_sources clk_src_apll;
+extern struct clksrc_sources clk_src_mpll;
+extern struct clksrc_sources clk_src_epll;
+
+extern int s5p6440_clk48m_ctrl(struct clk *clk, int enable);
+extern int s5p_gatectrl(void __iomem *reg, struct clk *clk, int enable);
+
+#endif /* __ASM_PLAT_S5P_CLOCK_H */
diff --git a/arch/arm/plat-s5p/include/plat/s5p6440.h b/arch/arm/plat-s5p/include/plat/s5p6440.h
new file mode 100644
index 000000000000..a4cd75afeb3b
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/s5p6440.h
@@ -0,0 +1,37 @@
+/* arch/arm/plat-s5p/include/plat/s5p6440.h
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Header file for s5p6440 cpu support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+ /* Common init code for S5P6440 related SoCs */
+
+extern void s5p6440_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+extern void s5p6440_register_clocks(void);
+extern void s5p6440_setup_clocks(void);
+
+#ifdef CONFIG_CPU_S5P6440
+
+extern  int s5p6440_init(void);
+extern void s5p6440_init_irq(void);
+extern void s5p6440_map_io(void);
+extern void s5p6440_init_clocks(int xtal);
+
+#define s5p6440_init_uarts s5p6440_common_init_uarts
+
+#else
+#define s5p6440_init_clocks NULL
+#define s5p6440_init_uarts NULL
+#define s5p6440_map_io NULL
+#define s5p6440_init NULL
+#endif
+
+/* S5P6440 timer */
+
+extern struct sys_timer s5p6440_timer;
diff --git a/arch/arm/plat-s5p/include/plat/s5p6442.h b/arch/arm/plat-s5p/include/plat/s5p6442.h
new file mode 100644
index 000000000000..7b8801349c94
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/s5p6442.h
@@ -0,0 +1,33 @@
+/* arch/arm/plat-s5p/include/plat/s5p6442.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Header file for s5p6442 cpu support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/* Common init code for S5P6442 related SoCs */
+
+extern void s5p6442_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+extern void s5p6442_register_clocks(void);
+extern void s5p6442_setup_clocks(void);
+
+#ifdef CONFIG_CPU_S5P6442
+
+extern  int s5p6442_init(void);
+extern void s5p6442_init_irq(void);
+extern void s5p6442_map_io(void);
+extern void s5p6442_init_clocks(int xtal);
+
+#define s5p6442_init_uarts s5p6442_common_init_uarts
+
+#else
+#define s5p6442_init_clocks NULL
+#define s5p6442_init_uarts NULL
+#define s5p6442_map_io NULL
+#define s5p6442_init NULL
+#endif
diff --git a/arch/arm/plat-s5p/include/plat/s5pv210.h b/arch/arm/plat-s5p/include/plat/s5pv210.h
new file mode 100644
index 000000000000..6c93a0c78100
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/s5pv210.h
@@ -0,0 +1,33 @@
+/* linux/arch/arm/plat-s5p/include/plat/s5pv210.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Header file for s5pv210 cpu support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/* Common init code for S5PV210 related SoCs */
+
+extern void s5pv210_common_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+extern void s5pv210_register_clocks(void);
+extern void s5pv210_setup_clocks(void);
+
+#ifdef CONFIG_CPU_S5PV210
+
+extern  int s5pv210_init(void);
+extern void s5pv210_init_irq(void);
+extern void s5pv210_map_io(void);
+extern void s5pv210_init_clocks(int xtal);
+
+#define s5pv210_init_uarts s5pv210_common_init_uarts
+
+#else
+#define s5pv210_init_clocks NULL
+#define s5pv210_init_uarts NULL
+#define s5pv210_map_io NULL
+#define s5pv210_init NULL
+#endif
diff --git a/arch/arm/plat-s5p/irq.c b/arch/arm/plat-s5p/irq.c
new file mode 100644
index 000000000000..25e1eb6de59e
--- /dev/null
+++ b/arch/arm/plat-s5p/irq.c
@@ -0,0 +1,72 @@
+/* arch/arm/plat-s5p/irq.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * S5P - Interrupt handling
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <asm/hardware/vic.h>
+
+#include <linux/serial_core.h>
+#include <mach/map.h>
+#include <plat/regs-timer.h>
+#include <plat/regs-serial.h>
+#include <plat/cpu.h>
+#include <plat/irq-vic-timer.h>
+#include <plat/irq-uart.h>
+
+/*
+ * Note, we make use of the fact that the parent IRQs, IRQ_UART[0..3]
+ * are consecutive when looking up the interrupt in the demux routines.
+ */
+static struct s3c_uart_irq uart_irqs[] = {
+	[0] = {
+		.regs		= S5P_VA_UART0,
+		.base_irq	= IRQ_S5P_UART_BASE0,
+		.parent_irq	= IRQ_UART0,
+	},
+	[1] = {
+		.regs		= S5P_VA_UART1,
+		.base_irq	= IRQ_S5P_UART_BASE1,
+		.parent_irq	= IRQ_UART1,
+	},
+	[2] = {
+		.regs		= S5P_VA_UART2,
+		.base_irq	= IRQ_S5P_UART_BASE2,
+		.parent_irq	= IRQ_UART2,
+	},
+#if CONFIG_SERIAL_SAMSUNG_UARTS > 3
+	[3] = {
+		.regs		= S5P_VA_UART3,
+		.base_irq	= IRQ_S5P_UART_BASE3,
+		.parent_irq	= IRQ_UART3,
+	},
+#endif
+};
+
+void __init s5p_init_irq(u32 *vic, u32 num_vic)
+{
+	int irq;
+
+	/* initialize the VICs */
+	for (irq = 0; irq < num_vic; irq++)
+		vic_init(VA_VIC(irq), VIC_BASE(irq), vic[irq], 0);
+
+	s3c_init_vic_timer_irq(IRQ_TIMER0_VIC, IRQ_TIMER0);
+	s3c_init_vic_timer_irq(IRQ_TIMER1_VIC, IRQ_TIMER1);
+	s3c_init_vic_timer_irq(IRQ_TIMER2_VIC, IRQ_TIMER2);
+	s3c_init_vic_timer_irq(IRQ_TIMER3_VIC, IRQ_TIMER3);
+	s3c_init_vic_timer_irq(IRQ_TIMER4_VIC, IRQ_TIMER4);
+
+	s3c_init_uart_irqs(uart_irqs, ARRAY_SIZE(uart_irqs));
+}
diff --git a/arch/arm/plat-s5p/setup-i2c0.c b/arch/arm/plat-s5p/setup-i2c0.c
new file mode 100644
index 000000000000..67a66e02a97a
--- /dev/null
+++ b/arch/arm/plat-s5p/setup-i2c0.c
@@ -0,0 +1,25 @@
+/* linux/arch/arm/plat-s5p/setup-i2c0.c
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * I2C0 GPIO configuration.
+ *
+ * Based on plat-s3c64xx/setup-i2c0.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+
+struct platform_device; /* don't need the contents */
+
+#include <plat/iic.h>
+
+void s3c_i2c0_cfg_gpio(struct platform_device *dev)
+{
+	/* Will be populated later */
+}
diff --git a/arch/arm/plat-s5pc1xx/Kconfig b/arch/arm/plat-s5pc1xx/Kconfig
index b7b9e91c0243..c7ccdf22eefa 100644
--- a/arch/arm/plat-s5pc1xx/Kconfig
+++ b/arch/arm/plat-s5pc1xx/Kconfig
@@ -11,6 +11,9 @@ config PLAT_S5PC1XX
 	select ARM_VIC
 	select NO_IOPORT
 	select ARCH_REQUIRE_GPIOLIB
+	select SAMSUNG_CLKSRC
+	select SAMSUNG_IRQ_UART
+	select SAMSUNG_IRQ_VIC_TIMER
 	select S3C_GPIO_TRACK
 	select S3C_GPIO_PULL_UPDOWN
 	select S3C_GPIO_CFG_S3C24XX
diff --git a/arch/arm/plat-s5pc1xx/clock.c b/arch/arm/plat-s5pc1xx/clock.c
index 26c21d849790..387f23190c3c 100644
--- a/arch/arm/plat-s5pc1xx/clock.c
+++ b/arch/arm/plat-s5pc1xx/clock.c
@@ -64,25 +64,13 @@ struct clk clk_54m = {
 	.rate		= 54000000,
 };
 
-static int clk_default_setrate(struct clk *clk, unsigned long rate)
-{
-	clk->rate = rate;
-	return 0;
-}
-
-static int clk_dummy_enable(struct clk *clk, int enable)
-{
-	return 0;
-}
-
 struct clk clk_hd0 = {
 	.name		= "hclkd0",
 	.id		= -1,
 	.rate		= 0,
 	.parent		= NULL,
 	.ctrlbit	= 0,
-	.set_rate	= clk_default_setrate,
-	.enable		= clk_dummy_enable,
+	.ops		= &clk_ops_def_setrate,
 };
 
 struct clk clk_pd0 = {
@@ -91,8 +79,7 @@ struct clk clk_pd0 = {
 	.rate		= 0,
 	.parent		= NULL,
 	.ctrlbit	= 0,
-	.set_rate	= clk_default_setrate,
-	.enable		= clk_dummy_enable,
+	.ops		= &clk_ops_def_setrate,
 };
 
 static int s5pc1xx_clk_gate(void __iomem *reg, struct clk *clk, int enable)
@@ -686,6 +673,8 @@ static struct clk s5pc100_init_clocks[] = {
 static struct clk *clks[] __initdata = {
 	&clk_ext,
 	&clk_epll,
+	&clk_pd0,
+	&clk_hd0,
 	&clk_27m,
 	&clk_48m,
 	&clk_54m,
@@ -700,16 +689,8 @@ void __init s5pc1xx_register_clocks(void)
 
 	s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
 
-	clkp = s5pc100_init_clocks;
-	size = ARRAY_SIZE(s5pc100_init_clocks);
-
-	for (ptr = 0; ptr < size; ptr++, clkp++) {
-		ret = s3c24xx_register_clock(clkp);
-		if (ret < 0) {
-			printk(KERN_ERR "Failed to register clock %s (%d)\n",
-			       clkp->name, ret);
-		}
-	}
+	s3c_register_clocks(s5pc100_init_clocks,
+			    ARRAY_SIZE(s5pc100_init_clocks));
 
 	clkp = s5pc100_init_clocks_disable;
 	size = ARRAY_SIZE(s5pc100_init_clocks_disable);
diff --git a/arch/arm/plat-s5pc1xx/dev-uart.c b/arch/arm/plat-s5pc1xx/dev-uart.c
index f749bc5407b5..586c95c60bfe 100644
--- a/arch/arm/plat-s5pc1xx/dev-uart.c
+++ b/arch/arm/plat-s5pc1xx/dev-uart.c
@@ -143,32 +143,3 @@ struct s3c24xx_uart_resources s5pc1xx_uart_resources[] __initdata = {
 		.nr_resources	= ARRAY_SIZE(s5pc1xx_uart3_resource),
 	},
 };
-
-/* uart devices */
-
-static struct platform_device s3c24xx_uart_device0 = {
-	.id		= 0,
-};
-
-static struct platform_device s3c24xx_uart_device1 = {
-	.id		= 1,
-};
-
-static struct platform_device s3c24xx_uart_device2 = {
-	.id		= 2,
-};
-
-static struct platform_device s3c24xx_uart_device3 = {
-	.id		= 3,
-};
-
-struct platform_device *s3c24xx_uart_src[4] = {
-	&s3c24xx_uart_device0,
-	&s3c24xx_uart_device1,
-	&s3c24xx_uart_device2,
-	&s3c24xx_uart_device3,
-};
-
-struct platform_device *s3c24xx_uart_devs[4] = {
-};
-
diff --git a/arch/arm/plat-s5pc1xx/gpio-config.c b/arch/arm/plat-s5pc1xx/gpio-config.c
index bba675df9c75..a4f67e80a150 100644
--- a/arch/arm/plat-s5pc1xx/gpio-config.c
+++ b/arch/arm/plat-s5pc1xx/gpio-config.c
@@ -16,7 +16,7 @@
 #include <linux/gpio.h>
 #include <linux/io.h>
 
-#include <mach/gpio-core.h>
+#include <plat/gpio-core.h>
 #include <plat/gpio-cfg-s5pc1xx.h>
 
 s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin, unsigned int off)
diff --git a/arch/arm/plat-s5pc1xx/gpiolib.c b/arch/arm/plat-s5pc1xx/gpiolib.c
index facb410e7a71..1ffc57ac293d 100644
--- a/arch/arm/plat-s5pc1xx/gpiolib.c
+++ b/arch/arm/plat-s5pc1xx/gpiolib.c
@@ -17,8 +17,8 @@
 #include <linux/gpio.h>
 
 #include <mach/map.h>
-#include <mach/gpio-core.h>
 
+#include <plat/gpio-core.h>
 #include <plat/gpio-cfg.h>
 #include <plat/gpio-cfg-helpers.h>
 #include <plat/regs-gpio.h>
diff --git a/arch/arm/plat-s5pc1xx/include/plat/irqs.h b/arch/arm/plat-s5pc1xx/include/plat/irqs.h
index ef8736366f0d..409c804315e8 100644
--- a/arch/arm/plat-s5pc1xx/include/plat/irqs.h
+++ b/arch/arm/plat-s5pc1xx/include/plat/irqs.h
@@ -88,11 +88,11 @@
 #define IRQ_MDMA		S5PC1XX_IRQ_VIC0(18)
 #define IRQ_PDMA0		S5PC1XX_IRQ_VIC0(19)
 #define IRQ_PDMA1		S5PC1XX_IRQ_VIC0(20)
-#define IRQ_TIMER0		S5PC1XX_IRQ_VIC0(21)
-#define IRQ_TIMER1		S5PC1XX_IRQ_VIC0(22)
-#define IRQ_TIMER2		S5PC1XX_IRQ_VIC0(23)
-#define IRQ_TIMER3		S5PC1XX_IRQ_VIC0(24)
-#define IRQ_TIMER4		S5PC1XX_IRQ_VIC0(25)
+#define IRQ_TIMER0_VIC		S5PC1XX_IRQ_VIC0(21)
+#define IRQ_TIMER1_VIC		S5PC1XX_IRQ_VIC0(22)
+#define IRQ_TIMER2_VIC		S5PC1XX_IRQ_VIC0(23)
+#define IRQ_TIMER3_VIC		S5PC1XX_IRQ_VIC0(24)
+#define IRQ_TIMER4_VIC		S5PC1XX_IRQ_VIC0(25)
 #define IRQ_SYSTIMER		S5PC1XX_IRQ_VIC0(26)
 #define IRQ_WDT			S5PC1XX_IRQ_VIC0(27)
 #define IRQ_RTC_ALARM		S5PC1XX_IRQ_VIC0(28)
@@ -171,8 +171,15 @@
 #define IRQ_SDMIRQ		S5PC1XX_IRQ_VIC2(30)
 #define IRQ_SDMFIQ		S5PC1XX_IRQ_VIC2(31)
 
+#define IRQ_TIMER(x)		(IRQ_SDMFIQ + 1 + (x))
+#define IRQ_TIMER0		IRQ_TIMER(0)
+#define IRQ_TIMER1		IRQ_TIMER(1)
+#define IRQ_TIMER2		IRQ_TIMER(2)
+#define IRQ_TIMER3		IRQ_TIMER(3)
+#define IRQ_TIMER4		IRQ_TIMER(4)
+
 /* External interrupt */
-#define S3C_IRQ_EINT_BASE	(IRQ_SDMFIQ + 1)
+#define S3C_IRQ_EINT_BASE	(IRQ_SDMFIQ + 6)
 
 #define S3C_EINT(x)		(S3C_IRQ_EINT_BASE + (x - 16))
 #define IRQ_EINT(x)		(x < 16 ? IRQ_EINT0 + x : S3C_EINT(x))
diff --git a/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h b/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
index c5cc86e92d65..24dec4e52538 100644
--- a/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
+++ b/arch/arm/plat-s5pc1xx/include/plat/regs-clock.h
@@ -61,73 +61,10 @@
 #define S5PC100_EPLL_MASK		0xffffffff
 #define S5PC100_EPLLVAL(_m, _p, _s)	((_m) << 16 | ((_p) << 8) | ((_s)))
 
-/* CLKSRC0 */
-#define S5PC100_CLKSRC0_APLL_MASK		(0x1<<0)
-#define S5PC100_CLKSRC0_APLL_SHIFT		(0)
-#define S5PC100_CLKSRC0_MPLL_MASK		(0x1<<4)
-#define S5PC100_CLKSRC0_MPLL_SHIFT		(4)
-#define S5PC100_CLKSRC0_EPLL_MASK		(0x1<<8)
-#define S5PC100_CLKSRC0_EPLL_SHIFT		(8)
-#define S5PC100_CLKSRC0_HPLL_MASK		(0x1<<12)
-#define S5PC100_CLKSRC0_HPLL_SHIFT		(12)
-#define S5PC100_CLKSRC0_AMMUX_MASK		(0x1<<16)
-#define S5PC100_CLKSRC0_AMMUX_SHIFT		(16)
-#define S5PC100_CLKSRC0_HREF_MASK		(0x1<<20)
-#define S5PC100_CLKSRC0_HREF_SHIFT		(20)
-#define S5PC100_CLKSRC0_ONENAND_MASK	(0x1<<24)
-#define S5PC100_CLKSRC0_ONENAND_SHIFT	(24)
-
-
-/* CLKSRC1 */
-#define S5PC100_CLKSRC1_UART_MASK		(0x1<<0)
-#define S5PC100_CLKSRC1_UART_SHIFT		(0)
-#define S5PC100_CLKSRC1_SPI0_MASK		(0x3<<4)
-#define S5PC100_CLKSRC1_SPI0_SHIFT		(4)
-#define S5PC100_CLKSRC1_SPI1_MASK		(0x3<<8)
-#define S5PC100_CLKSRC1_SPI1_SHIFT		(8)
-#define S5PC100_CLKSRC1_SPI2_MASK		(0x3<<12)
-#define S5PC100_CLKSRC1_SPI2_SHIFT		(12)
-#define S5PC100_CLKSRC1_IRDA_MASK		(0x3<<16)
-#define S5PC100_CLKSRC1_IRDA_SHIFT		(16)
-#define S5PC100_CLKSRC1_UHOST_MASK		(0x3<<20)
-#define S5PC100_CLKSRC1_UHOST_SHIFT		(20)
-#define S5PC100_CLKSRC1_CLK48M_MASK		(0x1<<24)
+/* CLKSRC0..CLKSRC3 -> mostly removed due to clksrc updates */
+#define S5PC100_CLKSRC1_CLK48M_MASK	(0x1<<24)
 #define S5PC100_CLKSRC1_CLK48M_SHIFT	(24)
 
-/* CLKSRC2 */
-#define S5PC100_CLKSRC2_MMC0_MASK		(0x3<<0)
-#define S5PC100_CLKSRC2_MMC0_SHIFT		(0)
-#define S5PC100_CLKSRC2_MMC1_MASK		(0x3<<4)
-#define S5PC100_CLKSRC2_MMC1_SHIFT		(4)
-#define S5PC100_CLKSRC2_MMC2_MASK		(0x3<<8)
-#define S5PC100_CLKSRC2_MMC2_SHIFT		(8)
-#define S5PC100_CLKSRC2_LCD_MASK		(0x3<<12)
-#define S5PC100_CLKSRC2_LCD_SHIFT		(12)
-#define S5PC100_CLKSRC2_FIMC0_MASK		(0x3<<16)
-#define S5PC100_CLKSRC2_FIMC0_SHIFT		(16)
-#define S5PC100_CLKSRC2_FIMC1_MASK		(0x3<<20)
-#define S5PC100_CLKSRC2_FIMC1_SHIFT		(20)
-#define S5PC100_CLKSRC2_FIMC2_MASK		(0x3<<24)
-#define S5PC100_CLKSRC2_FIMC2_SHIFT		(24)
-#define S5PC100_CLKSRC2_MIXER_MASK		(0x3<<28)
-#define S5PC100_CLKSRC2_MIXER_SHIFT		(28)
-
-/* CLKSRC3 */
-#define S5PC100_CLKSRC3_PWI_MASK		(0x3<<0)
-#define S5PC100_CLKSRC3_PWI_SHIFT		(0)
-#define S5PC100_CLKSRC3_HCLKD2_MASK		(0x1<<4)
-#define S5PC100_CLKSRC3_HCLKD2_SHIFT	(4)
-#define S5PC100_CLKSRC3_I2SD2_MASK		(0x3<<8)
-#define S5PC100_CLKSRC3_I2SD2_SHIFT		(8)
-#define S5PC100_CLKSRC3_AUDIO0_MASK		(0x7<<12)
-#define S5PC100_CLKSRC3_AUDIO0_SHIFT	(12)
-#define S5PC100_CLKSRC3_AUDIO1_MASK		(0x7<<16)
-#define S5PC100_CLKSRC3_AUDIO1_SHIFT	(16)
-#define S5PC100_CLKSRC3_AUDIO2_MASK		(0x7<<20)
-#define S5PC100_CLKSRC3_AUDIO2_SHIFT	(20)
-#define S5PC100_CLKSRC3_SPDIF_MASK		(0x3<<24)
-#define S5PC100_CLKSRC3_SPDIF_SHIFT		(24)
-
 /* CLKDIV0 */
 #define S5PC100_CLKDIV0_APLL_MASK		(0x1<<0)
 #define S5PC100_CLKDIV0_APLL_SHIFT		(0)
@@ -140,7 +77,7 @@
 #define S5PC100_CLKDIV0_SECSS_MASK		(0x7<<16)
 #define S5PC100_CLKDIV0_SECSS_SHIFT		(16)
 
-/* CLKDIV1 */
+/* CLKDIV1 (OneNAND clock only used in one place, removed) */
 #define S5PC100_CLKDIV1_APLL2_MASK		(0x7<<0)
 #define S5PC100_CLKDIV1_APLL2_SHIFT		(0)
 #define S5PC100_CLKDIV1_MPLL_MASK		(0x3<<4)
@@ -151,56 +88,12 @@
 #define S5PC100_CLKDIV1_D1_SHIFT		(12)
 #define S5PC100_CLKDIV1_PCLKD1_MASK		(0x7<<16)
 #define S5PC100_CLKDIV1_PCLKD1_SHIFT	(16)
-#define S5PC100_CLKDIV1_ONENAND_MASK	(0x3<<20)
-#define S5PC100_CLKDIV1_ONENAND_SHIFT	(20)
 #define S5PC100_CLKDIV1_CAM_MASK		(0x1F<<24)
 #define S5PC100_CLKDIV1_CAM_SHIFT		(24)
 
-/* CLKDIV2 */
-#define S5PC100_CLKDIV2_UART_MASK		(0x7<<0)
-#define S5PC100_CLKDIV2_UART_SHIFT		(0)
-#define S5PC100_CLKDIV2_SPI0_MASK		(0xf<<4)
-#define S5PC100_CLKDIV2_SPI0_SHIFT		(4)
-#define S5PC100_CLKDIV2_SPI1_MASK		(0xf<<8)
-#define S5PC100_CLKDIV2_SPI1_SHIFT		(8)
-#define S5PC100_CLKDIV2_SPI2_MASK		(0xf<<12)
-#define S5PC100_CLKDIV2_SPI2_SHIFT		(12)
-#define S5PC100_CLKDIV2_IRDA_MASK		(0xf<<16)
-#define S5PC100_CLKDIV2_IRDA_SHIFT		(16)
-#define S5PC100_CLKDIV2_UHOST_MASK		(0xf<<20)
-#define S5PC100_CLKDIV2_UHOST_SHIFT		(20)
-
-/* CLKDIV3 */
-#define S5PC100_CLKDIV3_MMC0_MASK		(0xf<<0)
-#define S5PC100_CLKDIV3_MMC0_SHIFT		(0)
-#define S5PC100_CLKDIV3_MMC1_MASK		(0xf<<4)
-#define S5PC100_CLKDIV3_MMC1_SHIFT		(4)
-#define S5PC100_CLKDIV3_MMC2_MASK		(0xf<<8)
-#define S5PC100_CLKDIV3_MMC2_SHIFT		(8)
-#define S5PC100_CLKDIV3_LCD_MASK		(0xf<<12)
-#define S5PC100_CLKDIV3_LCD_SHIFT		(12)
-#define S5PC100_CLKDIV3_FIMC0_MASK		(0xf<<16)
-#define S5PC100_CLKDIV3_FIMC0_SHIFT		(16)
-#define S5PC100_CLKDIV3_FIMC1_MASK		(0xf<<20)
-#define S5PC100_CLKDIV3_FIMC1_SHIFT		(20)
-#define S5PC100_CLKDIV3_FIMC2_MASK		(0xf<<24)
-#define S5PC100_CLKDIV3_FIMC2_SHIFT		(24)
-#define S5PC100_CLKDIV3_HDMI_MASK		(0xf<<28)
-#define S5PC100_CLKDIV3_HDMI_SHIFT		(28)
-
-/* CLKDIV4 */
-#define S5PC100_CLKDIV4_PWI_MASK		(0x7<<0)
-#define S5PC100_CLKDIV4_PWI_SHIFT		(0)
-#define S5PC100_CLKDIV4_HCLKD2_MASK		(0x7<<4)
-#define S5PC100_CLKDIV4_HCLKD2_SHIFT	(4)
-#define S5PC100_CLKDIV4_I2SD2_MASK		(0xf<<8)
-#define S5PC100_CLKDIV4_I2SD2_SHIFT		(8)
-#define S5PC100_CLKDIV4_AUDIO0_MASK		(0xf<<12)
-#define S5PC100_CLKDIV4_AUDIO0_SHIFT	(12)
-#define S5PC100_CLKDIV4_AUDIO1_MASK		(0xf<<16)
-#define S5PC100_CLKDIV4_AUDIO1_SHIFT	(16)
-#define S5PC100_CLKDIV4_AUDIO2_MASK		(0xf<<20)
-#define S5PC100_CLKDIV4_AUDIO2_SHIFT	(20)
+/* CLKDIV2 => removed in clksrc update */
+/* CLKDIV3 => removed in clksrc update, or not needed */
+/* CLKDIV4 => removed in clksrc update, or not needed */
 
 /* HCLKD0/PCLKD0 Clock Gate 0 Registers */
 #define S5PC100_CLKGATE_D00_INTC		(1<<0)
diff --git a/arch/arm/plat-s5pc1xx/irq.c b/arch/arm/plat-s5pc1xx/irq.c
index e44fd04ef333..bfc524827819 100644
--- a/arch/arm/plat-s5pc1xx/irq.c
+++ b/arch/arm/plat-s5pc1xx/irq.c
@@ -20,87 +20,14 @@
 #include <asm/hardware/vic.h>
 
 #include <mach/map.h>
-#include <plat/regs-timer.h>
+#include <plat/irq-vic-timer.h>
+#include <plat/irq-uart.h>
 #include <plat/cpu.h>
 
-/* Timer interrupt handling */
-
-static void s3c_irq_demux_timer(unsigned int base_irq, unsigned int sub_irq)
-{
-	generic_handle_irq(sub_irq);
-}
-
-static void s3c_irq_demux_timer0(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_timer(irq, IRQ_TIMER0);
-}
-
-static void s3c_irq_demux_timer1(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_timer(irq, IRQ_TIMER1);
-}
-
-static void s3c_irq_demux_timer2(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_timer(irq, IRQ_TIMER2);
-}
-
-static void s3c_irq_demux_timer3(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_timer(irq, IRQ_TIMER3);
-}
-
-static void s3c_irq_demux_timer4(unsigned int irq, struct irq_desc *desc)
-{
-	s3c_irq_demux_timer(irq, IRQ_TIMER4);
-}
-
-/* We assume the IRQ_TIMER0..IRQ_TIMER4 range is continuous. */
-
-static void s3c_irq_timer_mask(unsigned int irq)
-{
-	u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
-
-	reg &= 0x1f;  /* mask out pending interrupts */
-	reg &= ~(1 << (irq - IRQ_TIMER0));
-	__raw_writel(reg, S3C64XX_TINT_CSTAT);
-}
-
-static void s3c_irq_timer_unmask(unsigned int irq)
-{
-	u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
-
-	reg &= 0x1f;  /* mask out pending interrupts */
-	reg |= 1 << (irq - IRQ_TIMER0);
-	__raw_writel(reg, S3C64XX_TINT_CSTAT);
-}
-
-static void s3c_irq_timer_ack(unsigned int irq)
-{
-	u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
-
-	reg &= 0x1f;  /* mask out pending interrupts */
-	reg |= (1 << 5) << (irq - IRQ_TIMER0);
-	__raw_writel(reg, S3C64XX_TINT_CSTAT);
-}
-
-static struct irq_chip s3c_irq_timer = {
-	.name		= "s3c-timer",
-	.mask		= s3c_irq_timer_mask,
-	.unmask		= s3c_irq_timer_unmask,
-	.ack		= s3c_irq_timer_ack,
-};
-
-struct uart_irq {
-	void __iomem	*regs;
-	unsigned int	 base_irq;
-	unsigned int	 parent_irq;
-};
-
 /* Note, we make use of the fact that the parent IRQs, IRQ_UART[0..3]
  * are consecutive when looking up the interrupt in the demux routines.
  */
-static struct uart_irq uart_irqs[] = {
+static struct s3c_uart_irq uart_irqs[] = {
 	[0] = {
 		.regs		= (void *)S3C_VA_UART0,
 		.base_irq	= IRQ_S3CUART_BASE0,
@@ -123,113 +50,9 @@ static struct uart_irq uart_irqs[] = {
 	},
 };
 
-static inline void __iomem *s3c_irq_uart_base(unsigned int irq)
-{
-	struct uart_irq *uirq = get_irq_chip_data(irq);
-	return uirq->regs;
-}
-
-static inline unsigned int s3c_irq_uart_bit(unsigned int irq)
-{
-	return irq & 3;
-}
-
-/* UART interrupt registers, not worth adding to seperate include header */
-#define S3C64XX_UINTP	0x30
-#define S3C64XX_UINTSP	0x34
-#define S3C64XX_UINTM	0x38
-
-static void s3c_irq_uart_mask(unsigned int irq)
-{
-	void __iomem *regs = s3c_irq_uart_base(irq);
-	unsigned int bit = s3c_irq_uart_bit(irq);
-	u32 reg;
-
-	reg = __raw_readl(regs + S3C64XX_UINTM);
-	reg |= (1 << bit);
-	__raw_writel(reg, regs + S3C64XX_UINTM);
-}
-
-static void s3c_irq_uart_maskack(unsigned int irq)
-{
-	void __iomem *regs = s3c_irq_uart_base(irq);
-	unsigned int bit = s3c_irq_uart_bit(irq);
-	u32 reg;
-
-	reg = __raw_readl(regs + S3C64XX_UINTM);
-	reg |= (1 << bit);
-	__raw_writel(reg, regs + S3C64XX_UINTM);
-	__raw_writel(1 << bit, regs + S3C64XX_UINTP);
-}
-
-static void s3c_irq_uart_unmask(unsigned int irq)
-{
-	void __iomem *regs = s3c_irq_uart_base(irq);
-	unsigned int bit = s3c_irq_uart_bit(irq);
-	u32 reg;
-
-	reg = __raw_readl(regs + S3C64XX_UINTM);
-	reg &= ~(1 << bit);
-	__raw_writel(reg, regs + S3C64XX_UINTM);
-}
-
-static void s3c_irq_uart_ack(unsigned int irq)
-{
-	void __iomem *regs = s3c_irq_uart_base(irq);
-	unsigned int bit = s3c_irq_uart_bit(irq);
-
-	__raw_writel(1 << bit, regs + S3C64XX_UINTP);
-}
-
-static void s3c_irq_demux_uart(unsigned int irq, struct irq_desc *desc)
-{
-	struct uart_irq *uirq = &uart_irqs[irq - IRQ_UART0];
-	u32 pend = __raw_readl(uirq->regs + S3C64XX_UINTP);
-	int base = uirq->base_irq;
-
-	if (pend & (1 << 0))
-		generic_handle_irq(base);
-	if (pend & (1 << 1))
-		generic_handle_irq(base + 1);
-	if (pend & (1 << 2))
-		generic_handle_irq(base + 2);
-	if (pend & (1 << 3))
-		generic_handle_irq(base + 3);
-}
-
-static struct irq_chip s3c_irq_uart = {
-	.name		= "s3c-uart",
-	.mask		= s3c_irq_uart_mask,
-	.unmask		= s3c_irq_uart_unmask,
-	.mask_ack	= s3c_irq_uart_maskack,
-	.ack		= s3c_irq_uart_ack,
-};
-
-static void __init s5pc1xx_uart_irq(struct uart_irq *uirq)
-{
-	void __iomem *reg_base = uirq->regs;
-	unsigned int irq;
-	int offs;
-
-	/* mask all interrupts at the start. */
-	__raw_writel(0xf, reg_base + S3C64XX_UINTM);
-
-	for (offs = 0; offs < 3; offs++) {
-		irq = uirq->base_irq + offs;
-
-		set_irq_chip(irq, &s3c_irq_uart);
-		set_irq_chip_data(irq, uirq);
-		set_irq_handler(irq, handle_level_irq);
-		set_irq_flags(irq, IRQF_VALID);
-	}
-
-	set_irq_chained_handler(uirq->parent_irq, s3c_irq_demux_uart);
-}
-
 void __init s5pc1xx_init_irq(u32 *vic_valid, int num)
 {
 	int i;
-	int uart, irq;
 
 	printk(KERN_DEBUG "%s: initialising interrupts\n", __func__);
 
@@ -240,20 +63,13 @@ void __init s5pc1xx_init_irq(u32 *vic_valid, int num)
 
 	/* add the timer sub-irqs */
 
-	set_irq_chained_handler(IRQ_TIMER0, s3c_irq_demux_timer0);
-	set_irq_chained_handler(IRQ_TIMER1, s3c_irq_demux_timer1);
-	set_irq_chained_handler(IRQ_TIMER2, s3c_irq_demux_timer2);
-	set_irq_chained_handler(IRQ_TIMER3, s3c_irq_demux_timer3);
-	set_irq_chained_handler(IRQ_TIMER4, s3c_irq_demux_timer4);
-
-	for (irq = IRQ_TIMER0; irq <= IRQ_TIMER4; irq++) {
-		set_irq_chip(irq, &s3c_irq_timer);
-		set_irq_handler(irq, handle_level_irq);
-		set_irq_flags(irq, IRQF_VALID);
-	}
+	s3c_init_vic_timer_irq(IRQ_TIMER0_VIC, IRQ_TIMER0);
+	s3c_init_vic_timer_irq(IRQ_TIMER1_VIC, IRQ_TIMER1);
+	s3c_init_vic_timer_irq(IRQ_TIMER2_VIC, IRQ_TIMER2);
+	s3c_init_vic_timer_irq(IRQ_TIMER3_VIC, IRQ_TIMER3);
+	s3c_init_vic_timer_irq(IRQ_TIMER4_VIC, IRQ_TIMER4);
 
-	for (uart = 0; uart < ARRAY_SIZE(uart_irqs); uart++)
-		s5pc1xx_uart_irq(&uart_irqs[uart]);
+	s3c_init_uart_irqs(uart_irqs, ARRAY_SIZE(uart_irqs));
 }
 
 
diff --git a/arch/arm/plat-s5pc1xx/s5pc100-clock.c b/arch/arm/plat-s5pc1xx/s5pc100-clock.c
index b436d44510c8..2bf6c57a96a2 100644
--- a/arch/arm/plat-s5pc1xx/s5pc100-clock.c
+++ b/arch/arm/plat-s5pc1xx/s5pc100-clock.c
@@ -29,6 +29,7 @@
 
 #include <plat/regs-clock.h>
 #include <plat/clock.h>
+#include <plat/clock-clksrc.h>
 #include <plat/cpu.h>
 #include <plat/pll.h>
 #include <plat/devs.h>
@@ -51,23 +52,6 @@ static struct clk clk_ext_xtal_mux = {
 #define clk_fout_mpll	clk_mpll
 #define clk_vclk_54m	clk_54m
 
-struct clk_sources {
-	unsigned int	nr_sources;
-	struct clk	**sources;
-};
-
-struct clksrc_clk {
-	struct clk		clk;
-	unsigned int		mask;
-	unsigned int		shift;
-
-	struct clk_sources	*sources;
-
-	unsigned int		divider_shift;
-	void __iomem		*reg_divider;
-	void __iomem		*reg_source;
-};
-
 /* APLL */
 static struct clk clk_fout_apll = {
 	.name		= "fout_apll",
@@ -80,7 +64,7 @@ static struct clk *clk_src_apll_list[] = {
 	[1] = &clk_fout_apll,
 };
 
-static struct clk_sources clk_src_apll = {
+static struct clksrc_sources clk_src_apll = {
 	.sources	= clk_src_apll_list,
 	.nr_sources	= ARRAY_SIZE(clk_src_apll_list),
 };
@@ -90,10 +74,8 @@ static struct clksrc_clk clk_mout_apll = {
 		.name		= "mout_apll",
 		.id		= -1,
 	},
-	.shift		= S5PC100_CLKSRC0_APLL_SHIFT,
-	.mask		= S5PC100_CLKSRC0_APLL_MASK,
 	.sources	= &clk_src_apll,
-	.reg_source	= S5PC100_CLKSRC0,
+	.reg_src = { .reg = S5PC100_CLKSRC0, .shift = 0, .size = 1, },
 };
 
 static unsigned long s5pc100_clk_dout_apll_get_rate(struct clk *clk)
@@ -111,7 +93,9 @@ static struct clk clk_dout_apll = {
 	.name		= "dout_apll",
 	.id		= -1,
 	.parent		= &clk_mout_apll.clk,
-	.get_rate	= s5pc100_clk_dout_apll_get_rate,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s5pc100_clk_dout_apll_get_rate,
+	},
 };
 
 static unsigned long s5pc100_clk_arm_get_rate(struct clk *clk)
@@ -165,9 +149,11 @@ static struct clk clk_arm = {
 	.name		= "armclk",
 	.id		= -1,
 	.parent		= &clk_dout_apll,
-	.get_rate	= s5pc100_clk_arm_get_rate,
-	.set_rate	= s5pc100_clk_arm_set_rate,
-	.round_rate	= s5pc100_clk_arm_round_rate,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s5pc100_clk_arm_get_rate,
+		.set_rate	= s5pc100_clk_arm_set_rate,
+		.round_rate	= s5pc100_clk_arm_round_rate,
+	},
 };
 
 static unsigned long s5pc100_clk_dout_d0_bus_get_rate(struct clk *clk)
@@ -185,7 +171,9 @@ static struct clk clk_dout_d0_bus = {
 	.name		= "dout_d0_bus",
 	.id		= -1,
 	.parent		= &clk_arm,
-	.get_rate	= s5pc100_clk_dout_d0_bus_get_rate,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s5pc100_clk_dout_d0_bus_get_rate,
+	},
 };
 
 static unsigned long s5pc100_clk_dout_pclkd0_get_rate(struct clk *clk)
@@ -203,7 +191,9 @@ static struct clk clk_dout_pclkd0 = {
 	.name		= "dout_pclkd0",
 	.id		= -1,
 	.parent		= &clk_dout_d0_bus,
-	.get_rate	= s5pc100_clk_dout_pclkd0_get_rate,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s5pc100_clk_dout_pclkd0_get_rate,
+	},
 };
 
 static unsigned long s5pc100_clk_dout_apll2_get_rate(struct clk *clk)
@@ -221,7 +211,9 @@ static struct clk clk_dout_apll2 = {
 	.name		= "dout_apll2",
 	.id		= -1,
 	.parent		= &clk_mout_apll.clk,
-	.get_rate	= s5pc100_clk_dout_apll2_get_rate,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s5pc100_clk_dout_apll2_get_rate,
+	},
 };
 
 /* MPLL */
@@ -230,7 +222,7 @@ static struct clk *clk_src_mpll_list[] = {
 	[1] = &clk_fout_mpll,
 };
 
-static struct clk_sources clk_src_mpll = {
+static struct clksrc_sources clk_src_mpll = {
 	.sources	= clk_src_mpll_list,
 	.nr_sources	= ARRAY_SIZE(clk_src_mpll_list),
 };
@@ -240,10 +232,8 @@ static struct clksrc_clk clk_mout_mpll = {
 		.name		= "mout_mpll",
 		.id		= -1,
 	},
-	.shift		= S5PC100_CLKSRC0_MPLL_SHIFT,
-	.mask		= S5PC100_CLKSRC0_MPLL_MASK,
 	.sources	= &clk_src_mpll,
-	.reg_source	= S5PC100_CLKSRC0,
+	.reg_src = { .reg = S5PC100_CLKSRC0, .shift = 4, .size = 1, },
 };
 
 static struct clk *clkset_am_list[] = {
@@ -251,7 +241,7 @@ static struct clk *clkset_am_list[] = {
 	[1] = &clk_dout_apll2,
 };
 
-static struct clk_sources clk_src_am = {
+static struct clksrc_sources clk_src_am = {
 	.sources	= clkset_am_list,
 	.nr_sources	= ARRAY_SIZE(clkset_am_list),
 };
@@ -261,10 +251,8 @@ static struct clksrc_clk clk_mout_am = {
 		.name		= "mout_am",
 		.id		= -1,
 	},
-	.shift		= S5PC100_CLKSRC0_AMMUX_SHIFT,
-	.mask		= S5PC100_CLKSRC0_AMMUX_MASK,
 	.sources	= &clk_src_am,
-	.reg_source	= S5PC100_CLKSRC0,
+	.reg_src = { .reg = S5PC100_CLKSRC0, .shift = 16, .size = 1, },
 };
 
 static unsigned long s5pc100_clk_dout_d1_bus_get_rate(struct clk *clk)
@@ -284,7 +272,9 @@ static struct clk clk_dout_d1_bus = {
 	.name		= "dout_d1_bus",
 	.id		= -1,
 	.parent		= &clk_mout_am.clk,
-	.get_rate	= s5pc100_clk_dout_d1_bus_get_rate,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s5pc100_clk_dout_d1_bus_get_rate,
+	},
 };
 
 static struct clk *clkset_onenand_list[] = {
@@ -292,7 +282,7 @@ static struct clk *clkset_onenand_list[] = {
 	[1] = &clk_dout_d1_bus,
 };
 
-static struct clk_sources clk_src_onenand = {
+static struct clksrc_sources clk_src_onenand = {
 	.sources	= clkset_onenand_list,
 	.nr_sources	= ARRAY_SIZE(clkset_onenand_list),
 };
@@ -302,10 +292,8 @@ static struct clksrc_clk clk_mout_onenand = {
 		.name		= "mout_onenand",
 		.id		= -1,
 	},
-	.shift		= S5PC100_CLKSRC0_ONENAND_SHIFT,
-	.mask		= S5PC100_CLKSRC0_ONENAND_MASK,
 	.sources	= &clk_src_onenand,
-	.reg_source	= S5PC100_CLKSRC0,
+	.reg_src = { .reg = S5PC100_CLKSRC0, .shift = 24, .size = 1, },
 };
 
 static unsigned long s5pc100_clk_dout_pclkd1_get_rate(struct clk *clk)
@@ -325,7 +313,9 @@ static struct clk clk_dout_pclkd1 = {
 	.name		= "dout_pclkd1",
 	.id		= -1,
 	.parent		= &clk_dout_d1_bus,
-	.get_rate	= s5pc100_clk_dout_pclkd1_get_rate,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s5pc100_clk_dout_pclkd1_get_rate,
+	},
 };
 
 static unsigned long s5pc100_clk_dout_mpll2_get_rate(struct clk *clk)
@@ -345,7 +335,9 @@ static struct clk clk_dout_mpll2 = {
 	.name		= "dout_mpll2",
 	.id		= -1,
 	.parent		= &clk_mout_am.clk,
-	.get_rate	= s5pc100_clk_dout_mpll2_get_rate,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s5pc100_clk_dout_mpll2_get_rate,
+	},
 };
 
 static unsigned long s5pc100_clk_dout_cam_get_rate(struct clk *clk)
@@ -365,7 +357,9 @@ static struct clk clk_dout_cam = {
 	.name		= "dout_cam",
 	.id		= -1,
 	.parent		= &clk_dout_mpll2,
-	.get_rate	= s5pc100_clk_dout_cam_get_rate,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s5pc100_clk_dout_cam_get_rate,
+	},
 };
 
 static unsigned long s5pc100_clk_dout_mpll_get_rate(struct clk *clk)
@@ -385,7 +379,9 @@ static struct clk clk_dout_mpll = {
 	.name		= "dout_mpll",
 	.id		= -1,
 	.parent		= &clk_mout_am.clk,
-	.get_rate	= s5pc100_clk_dout_mpll_get_rate,
+	.ops		= &(struct clk_ops) {
+		.get_rate	= s5pc100_clk_dout_mpll_get_rate,
+	},
 };
 
 /* EPLL */
@@ -399,7 +395,7 @@ static struct clk *clk_src_epll_list[] = {
 	[1] = &clk_fout_epll,
 };
 
-static struct clk_sources clk_src_epll = {
+static struct clksrc_sources clk_src_epll = {
 	.sources	= clk_src_epll_list,
 	.nr_sources	= ARRAY_SIZE(clk_src_epll_list),
 };
@@ -409,10 +405,8 @@ static struct clksrc_clk clk_mout_epll = {
 		.name		= "mout_epll",
 		.id		= -1,
 	},
-	.shift		= S5PC100_CLKSRC0_EPLL_SHIFT,
-	.mask		= S5PC100_CLKSRC0_EPLL_MASK,
-	.sources	= &clk_src_epll,
-	.reg_source	= S5PC100_CLKSRC0,
+	.sources = &clk_src_epll,
+	.reg_src = { .reg = S5PC100_CLKSRC0, .shift = 8, .size = 1, },
 };
 
 /* HPLL */
@@ -426,7 +420,7 @@ static struct clk *clk_src_hpll_list[] = {
 	[1] = &clk_fout_hpll,
 };
 
-static struct clk_sources clk_src_hpll = {
+static struct clksrc_sources clk_src_hpll = {
 	.sources	= clk_src_hpll_list,
 	.nr_sources	= ARRAY_SIZE(clk_src_hpll_list),
 };
@@ -436,10 +430,8 @@ static struct clksrc_clk clk_mout_hpll = {
 		.name		= "mout_hpll",
 		.id		= -1,
 	},
-	.shift		= S5PC100_CLKSRC0_HPLL_SHIFT,
-	.mask		= S5PC100_CLKSRC0_HPLL_MASK,
-	.sources	= &clk_src_hpll,
-	.reg_source	= S5PC100_CLKSRC0,
+	.sources = &clk_src_hpll,
+	.reg_src = { .reg = S5PC100_CLKSRC0, .shift = 12, .size = 1, },
 };
 
 /* Peripherals */
@@ -454,190 +446,6 @@ static struct clksrc_clk clk_mout_hpll = {
  * have a common parent divisor so are not included here.
  */
 
-static inline struct clksrc_clk *to_clksrc(struct clk *clk)
-{
-	return container_of(clk, struct clksrc_clk, clk);
-}
-
-static unsigned long s5pc100_getrate_clksrc(struct clk *clk)
-{
-	struct clksrc_clk *sclk = to_clksrc(clk);
-	unsigned long rate = clk_get_rate(clk->parent);
-	u32 clkdiv = __raw_readl(sclk->reg_divider);
-
-	clkdiv >>= sclk->divider_shift;
-	clkdiv &= 0xf;
-	clkdiv++;
-
-	rate /= clkdiv;
-	return rate;
-}
-
-static int s5pc100_setrate_clksrc(struct clk *clk, unsigned long rate)
-{
-	struct clksrc_clk *sclk = to_clksrc(clk);
-	void __iomem *reg = sclk->reg_divider;
-	unsigned int div;
-	u32 val;
-
-	rate = clk_round_rate(clk, rate);
-	div = clk_get_rate(clk->parent) / rate;
-	if (div > 16)
-		return -EINVAL;
-
-	val = __raw_readl(reg);
-	val &= ~(0xf << sclk->divider_shift);
-	val |= (div - 1) << sclk->divider_shift;
-	__raw_writel(val, reg);
-
-	return 0;
-}
-
-static int s5pc100_setparent_clksrc(struct clk *clk, struct clk *parent)
-{
-	struct clksrc_clk *sclk = to_clksrc(clk);
-	struct clk_sources *srcs = sclk->sources;
-	u32 clksrc = __raw_readl(sclk->reg_source);
-	int src_nr = -1;
-	int ptr;
-
-	for (ptr = 0; ptr < srcs->nr_sources; ptr++)
-		if (srcs->sources[ptr] == parent) {
-			src_nr = ptr;
-			break;
-		}
-
-	if (src_nr >= 0) {
-		clksrc &= ~sclk->mask;
-		clksrc |= src_nr << sclk->shift;
-
-		__raw_writel(clksrc, sclk->reg_source);
-		return 0;
-	}
-
-	return -EINVAL;
-}
-
-static unsigned long s5pc100_roundrate_clksrc(struct clk *clk,
-					      unsigned long rate)
-{
-	unsigned long parent_rate = clk_get_rate(clk->parent);
-	int div;
-
-	if (rate > parent_rate)
-		rate = parent_rate;
-	else {
-		div = rate / parent_rate;
-
-		if (div == 0)
-			div = 1;
-		if (div > 16)
-			div = 16;
-
-		rate = parent_rate / div;
-	}
-
-	return rate;
-}
-
-static struct clk *clkset_spi_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll2,
-	&clk_fin_epll,
-	&clk_mout_hpll.clk,
-};
-
-static struct clk_sources clkset_spi = {
-	.sources	= clkset_spi_list,
-	.nr_sources	= ARRAY_SIZE(clkset_spi_list),
-};
-
-static struct clksrc_clk clk_spi0 = {
-	.clk	= {
-		.name		= "spi_bus",
-		.id		= 0,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI0,
-		.enable		= s5pc100_sclk0_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC1_SPI0_SHIFT,
-	.mask		= S5PC100_CLKSRC1_SPI0_MASK,
-	.sources	= &clkset_spi,
-	.divider_shift	= S5PC100_CLKDIV2_SPI0_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV2,
-	.reg_source	= S5PC100_CLKSRC1,
-};
-
-static struct clksrc_clk clk_spi1 = {
-	.clk	= {
-		.name		= "spi_bus",
-		.id		= 1,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI1,
-		.enable		= s5pc100_sclk0_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC1_SPI1_SHIFT,
-	.mask		= S5PC100_CLKSRC1_SPI1_MASK,
-	.sources	= &clkset_spi,
-	.divider_shift	= S5PC100_CLKDIV2_SPI1_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV2,
-	.reg_source	= S5PC100_CLKSRC1,
-};
-
-static struct clksrc_clk clk_spi2 = {
-	.clk	= {
-		.name		= "spi_bus",
-		.id		= 2,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI2,
-		.enable		= s5pc100_sclk0_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC1_SPI2_SHIFT,
-	.mask		= S5PC100_CLKSRC1_SPI2_MASK,
-	.sources	= &clkset_spi,
-	.divider_shift	= S5PC100_CLKDIV2_SPI2_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV2,
-	.reg_source	= S5PC100_CLKSRC1,
-};
-
-static struct clk *clkset_uart_list[] = {
-	&clk_mout_epll.clk,
-	&clk_dout_mpll,
-};
-
-static struct clk_sources clkset_uart = {
-	.sources	= clkset_uart_list,
-	.nr_sources	= ARRAY_SIZE(clkset_uart_list),
-};
-
-static struct clksrc_clk clk_uart_uclk1 = {
-	.clk	= {
-		.name		= "uclk1",
-		.id		= -1,
-		.ctrlbit        = S5PC100_CLKGATE_SCLK0_UART,
-		.enable		= s5pc100_sclk0_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC1_UART_SHIFT,
-	.mask		= S5PC100_CLKSRC1_UART_MASK,
-	.sources	= &clkset_uart,
-	.divider_shift	= S5PC100_CLKDIV2_UART_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV2,
-	.reg_source	= S5PC100_CLKSRC1,
-};
-
 static struct clk clk_iis_cd0 = {
 	.name		= "iis_cdclk0",
 	.id		= -1,
@@ -672,28 +480,31 @@ static struct clk *clkset_audio0_list[] = {
 	&clk_mout_hpll.clk,
 };
 
-static struct clk_sources clkset_audio0 = {
+static struct clksrc_sources clkset_audio0 = {
 	.sources	= clkset_audio0_list,
 	.nr_sources	= ARRAY_SIZE(clkset_audio0_list),
 };
 
-static struct clksrc_clk clk_audio0 = {
-	.clk	= {
-		.name		= "audio-bus",
-		.id		= 0,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK1_AUDIO0,
-		.enable		= s5pc100_sclk1_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC3_AUDIO0_SHIFT,
-	.mask		= S5PC100_CLKSRC3_AUDIO0_MASK,
-	.sources	= &clkset_audio0,
-	.divider_shift	= S5PC100_CLKDIV4_AUDIO0_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV4,
-	.reg_source	= S5PC100_CLKSRC3,
+static struct clk *clkset_spi_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll2,
+	&clk_fin_epll,
+	&clk_mout_hpll.clk,
+};
+
+static struct clksrc_sources clkset_spi = {
+	.sources	= clkset_spi_list,
+	.nr_sources	= ARRAY_SIZE(clkset_spi_list),
+};
+
+static struct clk *clkset_uart_list[] = {
+	&clk_mout_epll.clk,
+	&clk_dout_mpll,
+};
+
+static struct clksrc_sources clkset_uart = {
+	.sources	= clkset_uart_list,
+	.nr_sources	= ARRAY_SIZE(clkset_uart_list),
 };
 
 static struct clk *clkset_audio1_list[] = {
@@ -705,30 +516,11 @@ static struct clk *clkset_audio1_list[] = {
 	&clk_mout_hpll.clk,
 };
 
-static struct clk_sources clkset_audio1 = {
+static struct clksrc_sources clkset_audio1 = {
 	.sources	= clkset_audio1_list,
 	.nr_sources	= ARRAY_SIZE(clkset_audio1_list),
 };
 
-static struct clksrc_clk clk_audio1 = {
-	.clk	= {
-		.name		= "audio-bus",
-		.id		= 1,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK1_AUDIO1,
-		.enable		= s5pc100_sclk1_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC3_AUDIO1_SHIFT,
-	.mask		= S5PC100_CLKSRC3_AUDIO1_MASK,
-	.sources	= &clkset_audio1,
-	.divider_shift	= S5PC100_CLKDIV4_AUDIO1_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV4,
-	.reg_source	= S5PC100_CLKSRC3,
-};
-
 static struct clk *clkset_audio2_list[] = {
 	&clk_mout_epll.clk,
 	&clk_dout_mpll,
@@ -737,52 +529,56 @@ static struct clk *clkset_audio2_list[] = {
 	&clk_mout_hpll.clk,
 };
 
-static struct clk_sources clkset_audio2 = {
+static struct clksrc_sources clkset_audio2 = {
 	.sources	= clkset_audio2_list,
 	.nr_sources	= ARRAY_SIZE(clkset_audio2_list),
 };
 
-static struct clksrc_clk clk_audio2 = {
-	.clk	= {
-		.name		= "audio-bus",
-		.id		= 2,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK1_AUDIO2,
-		.enable		= s5pc100_sclk1_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
+static struct clksrc_clk clksrc_audio[] = {
+	{
+		.clk	= {
+			.name		= "audio-bus",
+			.id		= 0,
+			.ctrlbit	= S5PC100_CLKGATE_SCLK1_AUDIO0,
+			.enable		= s5pc100_sclk1_ctrl,
+		},
+		.sources = &clkset_audio0,
+		.reg_div = { .reg = S5PC100_CLKDIV4, .shift = 12, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC3, .shift = 12, .size = 3, },
+	}, {
+		.clk	= {
+			.name		= "audio-bus",
+			.id		= 1,
+			.ctrlbit	= S5PC100_CLKGATE_SCLK1_AUDIO1,
+			.enable		= s5pc100_sclk1_ctrl,
+		},
+		.sources = &clkset_audio1,
+		.reg_div = { .reg = S5PC100_CLKDIV4, .shift = 16, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC3, .shift = 16, .size = 3, },
+	}, {
+		.clk	= {
+			.name		= "audio-bus",
+			.id		= 2,
+			.ctrlbit	= S5PC100_CLKGATE_SCLK1_AUDIO2,
+			.enable		= s5pc100_sclk1_ctrl,
+		},
+		.sources = &clkset_audio2,
+		.reg_div = { .reg = S5PC100_CLKDIV4, .shift = 20, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC3, .shift = 20, .size = 3, },
 	},
-	.shift		= S5PC100_CLKSRC3_AUDIO2_SHIFT,
-	.mask		= S5PC100_CLKSRC3_AUDIO2_MASK,
-	.sources	= &clkset_audio2,
-	.divider_shift	= S5PC100_CLKDIV4_AUDIO2_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV4,
-	.reg_source	= S5PC100_CLKSRC3,
 };
 
 static struct clk *clkset_spdif_list[] = {
-	&clk_audio0.clk,
-	&clk_audio1.clk,
-	&clk_audio2.clk,
+	&clksrc_audio[0].clk,
+	&clksrc_audio[1].clk,
+	&clksrc_audio[2].clk,
 };
 
-static struct clk_sources clkset_spdif = {
+static struct clksrc_sources clkset_spdif = {
 	.sources	= clkset_spdif_list,
 	.nr_sources	= ARRAY_SIZE(clkset_spdif_list),
 };
 
-static struct clksrc_clk clk_spdif = {
-	.clk	= {
-		.name		= "spdif",
-		.id		= -1,
-	},
-	.shift		= S5PC100_CLKSRC3_SPDIF_SHIFT,
-	.mask		= S5PC100_CLKSRC3_SPDIF_MASK,
-	.sources	= &clkset_spdif,
-	.reg_source	= S5PC100_CLKSRC3,
-};
-
 static struct clk *clkset_lcd_fimc_list[] = {
 	&clk_mout_epll.clk,
 	&clk_dout_mpll,
@@ -790,87 +586,11 @@ static struct clk *clkset_lcd_fimc_list[] = {
 	&clk_vclk_54m,
 };
 
-static struct clk_sources clkset_lcd_fimc = {
+static struct clksrc_sources clkset_lcd_fimc = {
 	.sources	= clkset_lcd_fimc_list,
 	.nr_sources	= ARRAY_SIZE(clkset_lcd_fimc_list),
 };
 
-static struct clksrc_clk clk_lcd = {
-	.clk	= {
-		.name		= "lcd",
-		.id		= -1,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK1_LCD,
-		.enable		= s5pc100_sclk1_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC2_LCD_SHIFT,
-	.mask		= S5PC100_CLKSRC2_LCD_MASK,
-	.sources	= &clkset_lcd_fimc,
-	.divider_shift	= S5PC100_CLKDIV3_LCD_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV3,
-	.reg_source	= S5PC100_CLKSRC2,
-};
-
-static struct clksrc_clk clk_fimc0 = {
-	.clk	= {
-		.name		= "fimc",
-		.id		= 0,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK1_FIMC0,
-		.enable		= s5pc100_sclk1_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC2_FIMC0_SHIFT,
-	.mask		= S5PC100_CLKSRC2_FIMC0_MASK,
-	.sources	= &clkset_lcd_fimc,
-	.divider_shift	= S5PC100_CLKDIV3_FIMC0_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV3,
-	.reg_source	= S5PC100_CLKSRC2,
-};
-
-static struct clksrc_clk clk_fimc1 = {
-	.clk	= {
-		.name		= "fimc",
-		.id		= 1,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK1_FIMC1,
-		.enable		= s5pc100_sclk1_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC2_FIMC1_SHIFT,
-	.mask		= S5PC100_CLKSRC2_FIMC1_MASK,
-	.sources	= &clkset_lcd_fimc,
-	.divider_shift	= S5PC100_CLKDIV3_FIMC1_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV3,
-	.reg_source	= S5PC100_CLKSRC2,
-};
-
-static struct clksrc_clk clk_fimc2 = {
-	.clk	= {
-		.name		= "fimc",
-		.id		= 2,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK1_FIMC2,
-		.enable		= s5pc100_sclk1_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC2_FIMC2_SHIFT,
-	.mask		= S5PC100_CLKSRC2_FIMC2_MASK,
-	.sources	= &clkset_lcd_fimc,
-	.divider_shift	= S5PC100_CLKDIV3_FIMC2_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV3,
-	.reg_source	= S5PC100_CLKSRC2,
-};
-
 static struct clk *clkset_mmc_list[] = {
 	&clk_mout_epll.clk,
 	&clk_dout_mpll,
@@ -878,69 +598,11 @@ static struct clk *clkset_mmc_list[] = {
 	&clk_mout_hpll.clk ,
 };
 
-static struct clk_sources clkset_mmc = {
+static struct clksrc_sources clkset_mmc = {
 	.sources	= clkset_mmc_list,
 	.nr_sources	= ARRAY_SIZE(clkset_mmc_list),
 };
 
-static struct clksrc_clk clk_mmc0 = {
-	.clk	= {
-		.name		= "mmc_bus",
-		.id		= 0,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC0,
-		.enable		= s5pc100_sclk0_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC2_MMC0_SHIFT,
-	.mask		= S5PC100_CLKSRC2_MMC0_MASK,
-	.sources	= &clkset_mmc,
-	.divider_shift	= S5PC100_CLKDIV3_MMC0_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV3,
-	.reg_source	= S5PC100_CLKSRC2,
-};
-
-static struct clksrc_clk clk_mmc1 = {
-	.clk	= {
-		.name		= "mmc_bus",
-		.id		= 1,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC1,
-		.enable		= s5pc100_sclk0_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC2_MMC1_SHIFT,
-	.mask		= S5PC100_CLKSRC2_MMC1_MASK,
-	.sources	= &clkset_mmc,
-	.divider_shift	= S5PC100_CLKDIV3_MMC1_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV3,
-	.reg_source	= S5PC100_CLKSRC2,
-};
-
-static struct clksrc_clk clk_mmc2 = {
-	.clk	= {
-		.name		= "mmc_bus",
-		.id		= 2,
-		.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC2,
-		.enable		= s5pc100_sclk0_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC2_MMC2_SHIFT,
-	.mask		= S5PC100_CLKSRC2_MMC2_MASK,
-	.sources	= &clkset_mmc,
-	.divider_shift	= S5PC100_CLKDIV3_MMC2_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV3,
-	.reg_source	= S5PC100_CLKSRC2,
-};
-
-
 static struct clk *clkset_usbhost_list[] = {
 	&clk_mout_epll.clk,
 	&clk_dout_mpll,
@@ -948,28 +610,141 @@ static struct clk *clkset_usbhost_list[] = {
 	&clk_48m,
 };
 
-static struct clk_sources clkset_usbhost = {
+static struct clksrc_sources clkset_usbhost = {
 	.sources	= clkset_usbhost_list,
 	.nr_sources	= ARRAY_SIZE(clkset_usbhost_list),
 };
 
-static struct clksrc_clk clk_usbhost = {
-	.clk	= {
-		.name		= "usbhost",
-		.id		= -1,
-		.ctrlbit        = S5PC100_CLKGATE_SCLK0_USBHOST,
-		.enable		= s5pc100_sclk0_ctrl,
-		.set_parent	= s5pc100_setparent_clksrc,
-		.get_rate	= s5pc100_getrate_clksrc,
-		.set_rate	= s5pc100_setrate_clksrc,
-		.round_rate	= s5pc100_roundrate_clksrc,
-	},
-	.shift		= S5PC100_CLKSRC1_UHOST_SHIFT,
-	.mask		= S5PC100_CLKSRC1_UHOST_MASK,
-	.sources	= &clkset_usbhost,
-	.divider_shift	= S5PC100_CLKDIV2_UHOST_SHIFT,
-	.reg_divider	= S5PC100_CLKDIV2,
-	.reg_source	= S5PC100_CLKSRC1,
+static struct clksrc_clk clksrc_clks[] = {
+	{
+		.clk	= {
+			.name		= "spi_bus",
+			.id		= 0,
+			.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI0,
+			.enable		= s5pc100_sclk0_ctrl,
+
+		},
+		.sources = &clkset_spi,
+		.reg_div = { .reg = S5PC100_CLKDIV2, .shift = 4, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC1, .shift = 4, .size = 2, },
+	}, {
+		.clk	= {
+			.name		= "spi_bus",
+			.id		= 1,
+			.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI1,
+			.enable		= s5pc100_sclk0_ctrl,
+		},
+		.sources = &clkset_spi,
+		.reg_div = { .reg = S5PC100_CLKDIV2, .shift = 8, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC1, .shift = 8, .size = 2, },
+	}, {
+		.clk	= {
+			.name		= "spi_bus",
+			.id		= 2,
+			.ctrlbit	= S5PC100_CLKGATE_SCLK0_SPI2,
+			.enable		= s5pc100_sclk0_ctrl,
+		},
+		.sources = &clkset_spi,
+		.reg_div = { .reg = S5PC100_CLKDIV2, .shift = 12, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC1, .shift = 12, .size = 2, },
+	}, {
+		.clk	= {
+			.name		= "uclk1",
+			.id		= -1,
+			.ctrlbit        = S5PC100_CLKGATE_SCLK0_UART,
+			.enable		= s5pc100_sclk0_ctrl,
+		},
+		.sources = &clkset_uart,
+		.reg_div = { .reg = S5PC100_CLKDIV2, .shift = 0, .size = 3, },
+		.reg_src = { .reg = S5PC100_CLKSRC1, .shift = 0, .size = 1, },
+	}, {
+		.clk	= {
+			.name		= "spdif",
+			.id		= -1,
+		},
+		.sources	= &clkset_spdif,
+		.reg_src = { .reg = S5PC100_CLKSRC3, .shift = 24, .size = 2, },
+	}, {
+		.clk	= {
+			.name		= "lcd",
+			.id		= -1,
+			.ctrlbit	= S5PC100_CLKGATE_SCLK1_LCD,
+			.enable		= s5pc100_sclk1_ctrl,
+		},
+		.sources = &clkset_lcd_fimc,
+		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 12, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 12, .size = 2, },
+	}, {
+		.clk	= {
+			.name		= "fimc",
+			.id		= 0,
+			.ctrlbit	= S5PC100_CLKGATE_SCLK1_FIMC0,
+			.enable		= s5pc100_sclk1_ctrl,
+		},
+		.sources = &clkset_lcd_fimc,
+		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 16, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 16, .size = 2, },
+	}, {
+		.clk	= {
+			.name		= "fimc",
+			.id		= 1,
+			.ctrlbit	= S5PC100_CLKGATE_SCLK1_FIMC1,
+			.enable		= s5pc100_sclk1_ctrl,
+		},
+		.sources	= &clkset_lcd_fimc,
+		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 20, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 20, .size = 2, },
+	}, {
+		.clk	= {
+			.name		= "fimc",
+			.id		= 2,
+			.ctrlbit	= S5PC100_CLKGATE_SCLK1_FIMC2,
+			.enable		= s5pc100_sclk1_ctrl,
+		},
+		.sources = &clkset_lcd_fimc,
+		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 24, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 24, .size = 2, },
+	}, {
+		.clk	= {
+			.name		= "mmc_bus",
+			.id		= 0,
+			.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC0,
+			.enable		= s5pc100_sclk0_ctrl,
+		},
+		.sources = &clkset_mmc,
+		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 0, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 0, .size = 2, },
+	}, {
+		.clk	= {
+			.name		= "mmc_bus",
+			.id		= 1,
+			.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC1,
+			.enable		= s5pc100_sclk0_ctrl,
+		},
+		.sources = &clkset_mmc,
+		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 4, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 4, .size = 2, },
+	}, {
+		.clk	= {
+			.name		= "mmc_bus",
+			.id		= 2,
+			.ctrlbit	= S5PC100_CLKGATE_SCLK0_MMC2,
+			.enable		= s5pc100_sclk0_ctrl,
+		},
+		.sources	= &clkset_mmc,
+		.reg_div = { .reg = S5PC100_CLKDIV3, .shift = 8, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC2, .shift = 8, .size = 2, },
+	}, {
+		.clk	= {
+			.name		= "usbhost",
+			.id		= -1,
+			.ctrlbit        = S5PC100_CLKGATE_SCLK0_USBHOST,
+			.enable		= s5pc100_sclk0_ctrl,
+		},
+		.sources = &clkset_usbhost,
+		.reg_div = { .reg = S5PC100_CLKDIV2, .shift = 20, .size = 4, },
+		.reg_src = { .reg = S5PC100_CLKSRC1, .shift = 20, .size = 2, },
+	}
 };
 
 /* Clock initialisation code */
@@ -981,45 +756,8 @@ static struct clksrc_clk *init_parents[] = {
 	&clk_mout_onenand,
 	&clk_mout_epll,
 	&clk_mout_hpll,
-	&clk_spi0,
-	&clk_spi1,
-	&clk_spi2,
-	&clk_uart_uclk1,
-	&clk_audio0,
-	&clk_audio1,
-	&clk_audio2,
-	&clk_spdif,
-	&clk_lcd,
-	&clk_fimc0,
-	&clk_fimc1,
-	&clk_fimc2,
-	&clk_mmc0,
-	&clk_mmc1,
-	&clk_mmc2,
-	&clk_usbhost,
 };
 
-static void __init_or_cpufreq s5pc100_set_clksrc(struct clksrc_clk *clk)
-{
-	struct clk_sources *srcs = clk->sources;
-	u32 clksrc = __raw_readl(clk->reg_source);
-
-	clksrc &= clk->mask;
-	clksrc >>= clk->shift;
-
-	if (clksrc > srcs->nr_sources || !srcs->sources[clksrc]) {
-		printk(KERN_ERR "%s: bad source %d\n",
-		       clk->clk.name, clksrc);
-		return;
-	}
-
-	clk->clk.parent = srcs->sources[clksrc];
-
-	printk(KERN_INFO "%s: source is %s (%d), rate is %ld.%03ld MHz\n",
-		clk->clk.name, clk->clk.parent->name, clksrc,
-		print_mhz(clk_get_rate(&clk->clk)));
-}
-
 #define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
 
 void __init_or_cpufreq s5pc100_setup_clocks(void)
@@ -1083,17 +821,25 @@ void __init_or_cpufreq s5pc100_setup_clocks(void)
 	clk_f.rate = armclk;
 
 	for (ptr = 0; ptr < ARRAY_SIZE(init_parents); ptr++)
-		s5pc100_set_clksrc(init_parents[ptr]);
+		s3c_set_clksrc(init_parents[ptr], true);
+
+	for (ptr = 0; ptr < ARRAY_SIZE(clksrc_audio); ptr++)
+		s3c_set_clksrc(clksrc_audio + ptr, true);
+
+	for (ptr = 0; ptr < ARRAY_SIZE(clksrc_clks); ptr++)
+		s3c_set_clksrc(clksrc_clks + ptr, true);
 }
 
 static struct clk *clks[] __initdata = {
 	&clk_ext_xtal_mux,
-	&clk_mout_apll.clk,
 	&clk_dout_apll,
 	&clk_dout_d0_bus,
 	&clk_dout_pclkd0,
 	&clk_dout_apll2,
+	&clk_mout_apll.clk,
 	&clk_mout_mpll.clk,
+	&clk_mout_epll.clk,
+	&clk_mout_hpll.clk,
 	&clk_mout_am.clk,
 	&clk_dout_d1_bus,
 	&clk_mout_onenand.clk,
@@ -1101,29 +847,12 @@ static struct clk *clks[] __initdata = {
 	&clk_dout_mpll2,
 	&clk_dout_cam,
 	&clk_dout_mpll,
-	&clk_mout_epll.clk,
 	&clk_fout_epll,
 	&clk_iis_cd0,
 	&clk_iis_cd1,
 	&clk_iis_cd2,
 	&clk_pcm_cd0,
 	&clk_pcm_cd1,
-	&clk_spi0.clk,
-	&clk_spi1.clk,
-	&clk_spi2.clk,
-	&clk_uart_uclk1.clk,
-	&clk_audio0.clk,
-	&clk_audio1.clk,
-	&clk_audio2.clk,
-	&clk_spdif.clk,
-	&clk_lcd.clk,
-	&clk_fimc0.clk,
-	&clk_fimc1.clk,
-	&clk_fimc2.clk,
-	&clk_mmc0.clk,
-	&clk_mmc1.clk,
-	&clk_mmc2.clk,
-	&clk_usbhost.clk,
 	&clk_arm,
 };
 
@@ -1141,4 +870,7 @@ void __init s5pc100_register_clocks(void)
 			       clkp->name, ret);
 		}
 	}
+
+	s3c_register_clksrc(clksrc_audio, ARRAY_SIZE(clksrc_audio));
+	s3c_register_clksrc(clksrc_clks, ARRAY_SIZE(clksrc_clks));
 }
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 486a0d6301e7..d552c65fa1b0 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -7,11 +7,240 @@
 config PLAT_SAMSUNG
 	bool
 	depends on ARCH_S3C2410 || ARCH_S3C24A0 || ARCH_S3C64XX || ARCH_S5PC1XX
+	select NO_IOPORT
 	default y
 	help
 	  Base platform code for all Samsung SoC based systems
 
 if PLAT_SAMSUNG
 
+# boot configurations
+
+comment "Boot options"
+
+config S3C_BOOT_WATCHDOG
+	bool "S3C Initialisation watchdog"
+	depends on S3C2410_WATCHDOG
+	help
+	  Say y to enable the watchdog during the kernel decompression
+	  stage. If the kernel fails to uncompress, then the watchdog
+	  will trigger a reset and the system should restart.
+
+config S3C_BOOT_ERROR_RESET
+	bool "S3C Reboot on decompression error"
+	help
+	  Say y here to use the watchdog to reset the system if the
+	  kernel decompressor detects an error during decompression.
+
+config S3C_BOOT_UART_FORCE_FIFO
+       bool "Force UART FIFO on during boot process"
+       default y
+       help
+         Say Y here to force the UART FIFOs on during the kernel
+	 uncompressor
+
+
+config S3C_LOWLEVEL_UART_PORT
+	int "S3C UART to use for low-level messages"
+	default 0
+	help
+	  Choice of which UART port to use for the low-level messages,
+	  such as the `Uncompressing...` at start time. The value of
+	  this configuration should be between zero and two. The port
+	  must have been initialised by the boot-loader before use.
+
+# clock options
+
+config SAMSUNG_CLKSRC
+	bool
+	help
+	  Select the clock code for the clksrc implementation
+	  used by newer systems such as the S3C64XX.
+
+# options for IRQ support
+
+config SAMSUNG_IRQ_VIC_TIMER
+       bool
+       help
+         Internal configuration to build the VIC timer interrupt code.
+
+config SAMSUNG_IRQ_UART
+       bool
+       help
+         Internal configuration to build the IRQ UART demux code.
+
+# options for gpio configuration support
+
+config SAMSUNG_GPIOLIB_4BIT
+	bool
+	help
+	  GPIOlib file contains the 4 bit modification functions for gpio
+	  configuration. GPIOlib shall be compiled only for S3C64XX and S5P
+	  series of processors.
+
+config S3C_GPIO_CFG_S3C24XX
+	bool
+	help
+	  Internal configuration to enable S3C24XX style GPIO configuration
+	  functions.
+
+config S3C_GPIO_CFG_S3C64XX
+	bool
+	help
+	  Internal configuration to enable S3C64XX style GPIO configuration
+	  functions.
+
+config S5P_GPIO_CFG_S5PC1XX
+	bool
+	help
+	  Internal configuration to enable S5PC1XX style GPIO configuration
+	  functions.
+
+config S3C_GPIO_PULL_UPDOWN
+	bool
+	help
+	  Internal configuration to enable the correct GPIO pull helper
+
+config S3C_GPIO_PULL_DOWN
+	bool
+	help
+	  Internal configuration to enable the correct GPIO pull helper
+
+config S3C_GPIO_PULL_UP
+	bool
+	help
+	  Internal configuration to enable the correct GPIO pull helper
+
+config SAMSUNG_GPIO_EXTRA
+	int "Number of additional GPIO pins"
+	default 0
+	help
+	  Use additional GPIO space in addition to the GPIO's the SOC
+	  provides. This allows expanding the GPIO space for use with
+	  GPIO expanders.
+
+config S3C_GPIO_SPACE
+	int "Space between gpio banks"
+	default 0
+	help
+	  Add a number of spare GPIO entries between each bank for debugging
+	  purposes. This allows any problems where an counter overflows from
+	  one bank to another to be caught, at the expense of using a little
+	  more memory.
+
+config S3C_GPIO_TRACK
+	bool
+	help
+	  Internal configuration option to enable the s3c specific gpio
+	  chip tracking if the platform requires it.
+
+# ADC driver
+
+config S3C_ADC
+	bool "ADC common driver support"
+	help
+	  Core support for the ADC block found in the Samsung SoC systems
+	  for drivers such as the touchscreen and hwmon to use to share
+	  this resource.
+
+# device definitions to compile in
+
+config S3C_DEV_HSMMC
+	bool
+	help
+	  Compile in platform device definitions for HSMMC code
+
+config S3C_DEV_HSMMC1
+	bool
+	help
+	  Compile in platform device definitions for HSMMC channel 1
+
+config S3C_DEV_HSMMC2
+	bool
+	help
+	  Compile in platform device definitions for HSMMC channel 2
+
+config S3C_DEV_I2C1
+	bool
+	help
+	  Compile in platform device definitions for I2C channel 1
+
+config S3C_DEV_FB
+	bool
+	help
+	  Compile in platform device definition for framebuffer
+
+config S3C_DEV_USB_HOST
+	bool
+	help
+	  Compile in platform device definition for USB host.
+
+config S3C_DEV_USB_HSOTG
+	bool
+	help
+	  Compile in platform device definition for USB high-speed OtG
+
+config S3C_DEV_NAND
+	bool
+	help
+	  Compile in platform device definition for NAND controller
+
+config S3C64XX_DEV_SPI
+	bool
+	help
+	  Compile in platform device definitions for S3C64XX's type
+	  SPI controllers.
+
+# DMA
+
+config S3C_DMA
+	bool
+	help
+	  Internal configuration for S3C DMA core
+
+comment "Power management"
+
+config SAMSUNG_PM_DEBUG
+	bool "S3C2410 PM Suspend debug"
+	depends on PM
+	help
+	  Say Y here if you want verbose debugging from the PM Suspend and
+	  Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
+	  for more information.
+
+config S3C_PM_DEBUG_LED_SMDK
+       bool "SMDK LED suspend/resume debugging"
+       depends on PM && (MACH_SMDK6410)
+       help
+         Say Y here to enable the use of the SMDK LEDs on the baseboard
+	 for debugging of the state of the suspend and resume process.
+
+	 Note, this currently only works for S3C64XX based SMDK boards.
+
+config SAMSUNG_PM_CHECK
+	bool "S3C2410 PM Suspend Memory CRC"
+	depends on PM && CRC32
+	help
+	  Enable the PM code's memory area checksum over sleep. This option
+	  will generate CRCs of all blocks of memory, and store them before
+	  going to sleep. The blocks are then checked on resume for any
+	  errors.
+
+	  Note, this can take several seconds depending on memory size
+	  and CPU speed.
+
+	  See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
+
+config SAMSUNG_PM_CHECK_CHUNKSIZE
+	int "S3C2410 PM Suspend CRC Chunksize (KiB)"
+	depends on PM && SAMSUNG_PM_CHECK
+	default 64
+	help
+	  Set the chunksize in Kilobytes of the CRC for checking memory
+	  corruption over suspend and resume. A smaller value will mean that
+	  the CRC data block will take more memory, but wil identify any
+	  faults with better precision.
+
+	  See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
 
 endif
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 4478b9f7dc34..22c89d08f6e5 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -9,3 +9,48 @@ obj-m				:=
 obj-n				:= dummy.o
 obj-				:=
 
+# Objects we always build independent of SoC choice
+
+obj-y				+= init.o
+obj-y				+= time.o
+obj-y				+= clock.o
+obj-y				+= pwm-clock.o
+obj-y				+= gpio.o
+obj-y				+= gpio-config.o
+
+obj-$(CONFIG_SAMSUNG_GPIOLIB_4BIT)	+= gpiolib.o
+obj-$(CONFIG_SAMSUNG_CLKSRC)	+= clock-clksrc.o
+
+obj-$(CONFIG_SAMSUNG_IRQ_UART)	+= irq-uart.o
+obj-$(CONFIG_SAMSUNG_IRQ_VIC_TIMER) += irq-vic-timer.o
+
+# ADC
+
+obj-$(CONFIG_S3C_ADC)	+= adc.o
+
+# devices
+
+obj-$(CONFIG_S3C_DEV_HSMMC)	+= dev-hsmmc.o
+obj-$(CONFIG_S3C_DEV_HSMMC1)	+= dev-hsmmc1.o
+obj-$(CONFIG_S3C_DEV_HSMMC2)	+= dev-hsmmc2.o
+obj-y				+= dev-i2c0.o
+obj-$(CONFIG_S3C_DEV_I2C1)	+= dev-i2c1.o
+obj-$(CONFIG_S3C_DEV_FB)	+= dev-fb.o
+obj-y				+= dev-uart.o
+obj-$(CONFIG_S3C_DEV_USB_HOST)	+= dev-usb.o
+obj-$(CONFIG_S3C_DEV_USB_HSOTG)	+= dev-usb-hsotg.o
+obj-$(CONFIG_S3C_DEV_NAND)	+= dev-nand.o
+
+# DMA support
+
+obj-$(CONFIG_S3C_DMA)		+= dma.o
+
+# PM support
+
+obj-$(CONFIG_PM)		+= pm.o
+obj-$(CONFIG_PM)		+= pm-gpio.o
+obj-$(CONFIG_SAMSUNG_PM_CHECK)	+= pm-check.o
+
+# PWM support
+
+obj-$(CONFIG_HAVE_PWM)		+= pwm.o
diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-samsung/adc.c
index ce47627f3368..0b5833b9ac5b 100644
--- a/arch/arm/plat-s3c24xx/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -1,10 +1,10 @@
-/* arch/arm/plat-s3c24xx/adc.c
+/* arch/arm/plat-samsung/adc.c
  *
  * Copyright (c) 2008 Simtec Electronics
  *	http://armlinux.simtec.co.uk/
  *	Ben Dooks <ben@simtec.co.uk>, <ben-linux@fluff.org>
  *
- * S3C24XX ADC device core
+ * Samsung ADC device core
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -37,6 +37,11 @@
  * action is required.
  */
 
+enum s3c_cpu_type {
+	TYPE_S3C24XX,
+	TYPE_S3C64XX
+};
+
 struct s3c_adc_client {
 	struct platform_device	*pdev;
 	struct list_head	 pend;
@@ -257,12 +262,13 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
 {
 	struct adc_device *adc = pw;
 	struct s3c_adc_client *client = adc->cur;
+	enum s3c_cpu_type cpu = platform_get_device_id(adc->pdev)->driver_data;
 	unsigned long flags;
 	unsigned data0, data1;
 
 	if (!client) {
 		dev_warn(&adc->pdev->dev, "%s: no adc pending\n", __func__);
-		return IRQ_HANDLED;
+		goto exit;
 	}
 
 	data0 = readl(adc->regs + S3C2410_ADCDAT0);
@@ -271,9 +277,17 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
 
 	client->nr_samples--;
 
+	if (cpu == TYPE_S3C64XX) {
+		/* S3C64XX ADC resolution is 12-bit */
+		data0 &= 0xfff;
+		data1 &= 0xfff;
+	} else {
+		data0 &= 0x3ff;
+		data1 &= 0x3ff;
+	}
+
 	if (client->convert_cb)
-		(client->convert_cb)(client, data0 & 0x3ff, data1 & 0x3ff,
-				     &client->nr_samples);
+		(client->convert_cb)(client, data0, data1, &client->nr_samples);
 
 	if (client->nr_samples > 0) {
 		/* fire another conversion for this */
@@ -289,6 +303,11 @@ static irqreturn_t s3c_adc_irq(int irq, void *pw)
 		local_irq_restore(flags);
 	}
 
+exit:
+	if (cpu == TYPE_S3C64XX) {
+		/* Clear ADC interrupt */
+		writel(0, adc->regs + S3C64XX_ADCCLRINT);
+	}
 	return IRQ_HANDLED;
 }
 
@@ -298,6 +317,7 @@ static int s3c_adc_probe(struct platform_device *pdev)
 	struct adc_device *adc;
 	struct resource *regs;
 	int ret;
+	unsigned tmp;
 
 	adc = kzalloc(sizeof(struct adc_device), GFP_KERNEL);
 	if (adc == NULL) {
@@ -344,8 +364,12 @@ static int s3c_adc_probe(struct platform_device *pdev)
 
 	clk_enable(adc->clk);
 
-	writel(adc->prescale | S3C2410_ADCCON_PRSCEN,
-	       adc->regs + S3C2410_ADCCON);
+	tmp = adc->prescale | S3C2410_ADCCON_PRSCEN;
+	if (platform_get_device_id(pdev)->driver_data == TYPE_S3C64XX) {
+		/* Enable 12-bit ADC resolution */
+		tmp |= S3C64XX_ADCCON_RESSEL;
+	}
+	writel(tmp, adc->regs + S3C2410_ADCCON);
 
 	dev_info(dev, "attached adc driver\n");
 
@@ -388,6 +412,7 @@ static int s3c_adc_suspend(struct platform_device *pdev, pm_message_t state)
 	con |= S3C2410_ADCCON_STDBM;
 	writel(con, adc->regs + S3C2410_ADCCON);
 
+	disable_irq(adc->irq);
 	clk_disable(adc->clk);
 
 	return 0;
@@ -398,6 +423,7 @@ static int s3c_adc_resume(struct platform_device *pdev)
 	struct adc_device *adc = platform_get_drvdata(pdev);
 
 	clk_enable(adc->clk);
+	enable_irq(adc->irq);
 
 	writel(adc->prescale | S3C2410_ADCCON_PRSCEN,
 	       adc->regs + S3C2410_ADCCON);
@@ -410,9 +436,22 @@ static int s3c_adc_resume(struct platform_device *pdev)
 #define s3c_adc_resume NULL
 #endif
 
+static struct platform_device_id s3c_adc_driver_ids[] = {
+	{
+		.name           = "s3c24xx-adc",
+		.driver_data    = TYPE_S3C24XX,
+	}, {
+		.name           = "s3c64xx-adc",
+		.driver_data    = TYPE_S3C64XX,
+	},
+	{ }
+};
+MODULE_DEVICE_TABLE(platform, s3c_adc_driver_ids);
+
 static struct platform_driver s3c_adc_driver = {
+	.id_table	= s3c_adc_driver_ids,
 	.driver		= {
-		.name	= "s3c24xx-adc",
+		.name	= "s3c-adc",
 		.owner	= THIS_MODULE,
 	},
 	.probe		= s3c_adc_probe,
diff --git a/arch/arm/plat-samsung/clock-clksrc.c b/arch/arm/plat-samsung/clock-clksrc.c
new file mode 100644
index 000000000000..ae8b8507663f
--- /dev/null
+++ b/arch/arm/plat-samsung/clock-clksrc.c
@@ -0,0 +1,212 @@
+/* linux/arch/arm/plat-samsung/clock-clksrc.c
+ *
+ * Copyright 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *	http://armlinux.simtec.co.uk/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/sysdev.h>
+#include <linux/io.h>
+
+#include <plat/clock.h>
+#include <plat/clock-clksrc.h>
+#include <plat/cpu-freq.h>
+
+static inline struct clksrc_clk *to_clksrc(struct clk *clk)
+{
+	return container_of(clk, struct clksrc_clk, clk);
+}
+
+static inline u32 bit_mask(u32 shift, u32 nr_bits)
+{
+	u32 mask = 0xffffffff >> (32 - nr_bits);
+
+	return mask << shift;
+}
+
+static unsigned long s3c_getrate_clksrc(struct clk *clk)
+{
+	struct clksrc_clk *sclk = to_clksrc(clk);
+	unsigned long rate = clk_get_rate(clk->parent);
+	u32 clkdiv = __raw_readl(sclk->reg_div.reg);
+	u32 mask = bit_mask(sclk->reg_div.shift, sclk->reg_div.size);
+
+	clkdiv &= mask;
+	clkdiv >>= sclk->reg_div.shift;
+	clkdiv++;
+
+	rate /= clkdiv;
+	return rate;
+}
+
+static int s3c_setrate_clksrc(struct clk *clk, unsigned long rate)
+{
+	struct clksrc_clk *sclk = to_clksrc(clk);
+	void __iomem *reg = sclk->reg_div.reg;
+	unsigned int div;
+	u32 mask = bit_mask(sclk->reg_div.shift, sclk->reg_div.size);
+	u32 val;
+
+	rate = clk_round_rate(clk, rate);
+	div = clk_get_rate(clk->parent) / rate;
+	if (div > (1 << sclk->reg_div.size))
+		return -EINVAL;
+
+	val = __raw_readl(reg);
+	val &= ~mask;
+	val |= (div - 1) << sclk->reg_div.shift;
+	__raw_writel(val, reg);
+
+	return 0;
+}
+
+static int s3c_setparent_clksrc(struct clk *clk, struct clk *parent)
+{
+	struct clksrc_clk *sclk = to_clksrc(clk);
+	struct clksrc_sources *srcs = sclk->sources;
+	u32 clksrc = __raw_readl(sclk->reg_src.reg);
+	u32 mask = bit_mask(sclk->reg_src.shift, sclk->reg_src.size);
+	int src_nr = -1;
+	int ptr;
+
+	for (ptr = 0; ptr < srcs->nr_sources; ptr++)
+		if (srcs->sources[ptr] == parent) {
+			src_nr = ptr;
+			break;
+		}
+
+	if (src_nr >= 0) {
+		clk->parent = parent;
+
+		clksrc &= ~mask;
+		clksrc |= src_nr << sclk->reg_src.shift;
+
+		__raw_writel(clksrc, sclk->reg_src.reg);
+		return 0;
+	}
+
+	return -EINVAL;
+}
+
+static unsigned long s3c_roundrate_clksrc(struct clk *clk,
+					      unsigned long rate)
+{
+	struct clksrc_clk *sclk = to_clksrc(clk);
+	unsigned long parent_rate = clk_get_rate(clk->parent);
+	int max_div = 1 << sclk->reg_div.size;
+	int div;
+
+	if (rate >= parent_rate)
+		rate = parent_rate;
+	else {
+		div = parent_rate / rate;
+		if (parent_rate % rate)
+			div++;
+
+		if (div == 0)
+			div = 1;
+		if (div > max_div)
+			div = max_div;
+
+		rate = parent_rate / div;
+	}
+
+	return rate;
+}
+
+/* Clock initialisation code */
+
+void __init_or_cpufreq s3c_set_clksrc(struct clksrc_clk *clk, bool announce)
+{
+	struct clksrc_sources *srcs = clk->sources;
+	u32 mask = bit_mask(clk->reg_src.shift, clk->reg_src.size);
+	u32 clksrc;
+
+	if (!clk->reg_src.reg) {
+		if (!clk->clk.parent)
+			printk(KERN_ERR "%s: no parent clock specified\n",
+				clk->clk.name);
+		return;
+	}
+
+	clksrc = __raw_readl(clk->reg_src.reg);
+	clksrc &= mask;
+	clksrc >>= clk->reg_src.shift;
+
+	if (clksrc > srcs->nr_sources || !srcs->sources[clksrc]) {
+		printk(KERN_ERR "%s: bad source %d\n",
+		       clk->clk.name, clksrc);
+		return;
+	}
+
+	clk->clk.parent = srcs->sources[clksrc];
+
+	if (announce)
+		printk(KERN_INFO "%s: source is %s (%d), rate is %ld\n",
+		       clk->clk.name, clk->clk.parent->name, clksrc,
+		       clk_get_rate(&clk->clk));
+}
+
+static struct clk_ops clksrc_ops = {
+	.set_parent	= s3c_setparent_clksrc,
+	.get_rate	= s3c_getrate_clksrc,
+	.set_rate	= s3c_setrate_clksrc,
+	.round_rate	= s3c_roundrate_clksrc,
+};
+
+static struct clk_ops clksrc_ops_nodiv = {
+	.set_parent	= s3c_setparent_clksrc,
+};
+
+static struct clk_ops clksrc_ops_nosrc = {
+	.get_rate	= s3c_getrate_clksrc,
+	.set_rate	= s3c_setrate_clksrc,
+	.round_rate	= s3c_roundrate_clksrc,
+};
+
+void __init s3c_register_clksrc(struct clksrc_clk *clksrc, int size)
+{
+	int ret;
+
+	for (; size > 0; size--, clksrc++) {
+		if (!clksrc->reg_div.reg && !clksrc->reg_src.reg)
+			printk(KERN_ERR "%s: clock %s has no registers set\n",
+			       __func__, clksrc->clk.name);
+
+		/* fill in the default functions */
+
+		if (!clksrc->clk.ops) {
+			if (!clksrc->reg_div.reg)
+				clksrc->clk.ops = &clksrc_ops_nodiv;
+			else if (!clksrc->reg_src.reg)
+				clksrc->clk.ops = &clksrc_ops_nosrc;
+			else
+				clksrc->clk.ops = &clksrc_ops;
+		}
+
+		/* setup the clocksource, but do not announce it
+		 * as it may be re-set by the setup routines
+		 * called after the rest of the clocks have been
+		 * registered
+		 */
+		s3c_set_clksrc(clksrc, false);
+
+		ret = s3c24xx_register_clock(&clksrc->clk);
+
+		if (ret < 0) {
+			printk(KERN_ERR "%s: failed to register %s (%d)\n",
+			       __func__, clksrc->clk.name, ret);
+		}
+	}
+}
diff --git a/arch/arm/plat-s3c/clock.c b/arch/arm/plat-samsung/clock.c
index 619cfa82dcab..1b25c9d8c403 100644
--- a/arch/arm/plat-s3c/clock.c
+++ b/arch/arm/plat-samsung/clock.c
@@ -150,8 +150,8 @@ unsigned long clk_get_rate(struct clk *clk)
 	if (clk->rate != 0)
 		return clk->rate;
 
-	if (clk->get_rate != NULL)
-		return (clk->get_rate)(clk);
+	if (clk->ops != NULL && clk->ops->get_rate != NULL)
+		return (clk->ops->get_rate)(clk);
 
 	if (clk->parent != NULL)
 		return clk_get_rate(clk->parent);
@@ -161,8 +161,8 @@ unsigned long clk_get_rate(struct clk *clk)
 
 long clk_round_rate(struct clk *clk, unsigned long rate)
 {
-	if (!IS_ERR(clk) && clk->round_rate)
-		return (clk->round_rate)(clk, rate);
+	if (!IS_ERR(clk) && clk->ops && clk->ops->round_rate)
+		return (clk->ops->round_rate)(clk, rate);
 
 	return rate;
 }
@@ -178,13 +178,14 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
 	 * the clock may have been made this way by choice.
 	 */
 
-	WARN_ON(clk->set_rate == NULL);
+	WARN_ON(clk->ops == NULL);
+	WARN_ON(clk->ops && clk->ops->set_rate == NULL);
 
-	if (clk->set_rate == NULL)
+	if (clk->ops == NULL || clk->ops->set_rate == NULL)
 		return -EINVAL;
 
 	spin_lock(&clocks_lock);
-	ret = (clk->set_rate)(clk, rate);
+	ret = (clk->ops->set_rate)(clk, rate);
 	spin_unlock(&clocks_lock);
 
 	return ret;
@@ -204,8 +205,8 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
 
 	spin_lock(&clocks_lock);
 
-	if (clk->set_parent)
-		ret = (clk->set_parent)(clk, parent);
+	if (clk->ops && clk->ops->set_parent)
+		ret = (clk->ops->set_parent)(clk, parent);
 
 	spin_unlock(&clocks_lock);
 
@@ -224,12 +225,16 @@ EXPORT_SYMBOL(clk_set_parent);
 
 /* base clocks */
 
-static int clk_default_setrate(struct clk *clk, unsigned long rate)
+int clk_default_setrate(struct clk *clk, unsigned long rate)
 {
 	clk->rate = rate;
 	return 0;
 }
 
+struct clk_ops clk_ops_def_setrate = {
+	.set_rate	= clk_default_setrate,
+};
+
 struct clk clk_xtal = {
 	.name		= "xtal",
 	.id		= -1,
@@ -251,7 +256,7 @@ struct clk clk_epll = {
 struct clk clk_mpll = {
 	.name		= "mpll",
 	.id		= -1,
-	.set_rate	= clk_default_setrate,
+	.ops		= &clk_ops_def_setrate,
 };
 
 struct clk clk_upll = {
@@ -267,7 +272,6 @@ struct clk clk_f = {
 	.rate		= 0,
 	.parent		= &clk_mpll,
 	.ctrlbit	= 0,
-	.set_rate	= clk_default_setrate,
 };
 
 struct clk clk_h = {
@@ -276,7 +280,7 @@ struct clk clk_h = {
 	.rate		= 0,
 	.parent		= NULL,
 	.ctrlbit	= 0,
-	.set_rate	= clk_default_setrate,
+	.ops		= &clk_ops_def_setrate,
 };
 
 struct clk clk_p = {
@@ -285,7 +289,7 @@ struct clk clk_p = {
 	.rate		= 0,
 	.parent		= NULL,
 	.ctrlbit	= 0,
-	.set_rate	= clk_default_setrate,
+	.ops		= &clk_ops_def_setrate,
 };
 
 struct clk clk_usb_bus = {
@@ -296,7 +300,6 @@ struct clk clk_usb_bus = {
 };
 
 
-
 struct clk s3c24xx_uclk = {
 	.name		= "uclk",
 	.id		= -1,
@@ -304,6 +307,12 @@ struct clk s3c24xx_uclk = {
 
 /* initialise the clock system */
 
+/**
+ * s3c24xx_register_clock() - register a clock
+ * @clk: The clock to register
+ *
+ * Add the specified clock to the list of clocks known by the system.
+ */
 int s3c24xx_register_clock(struct clk *clk)
 {
 	if (clk->enable == NULL)
@@ -321,18 +330,52 @@ int s3c24xx_register_clock(struct clk *clk)
 	return 0;
 }
 
+/**
+ * s3c24xx_register_clocks() - register an array of clock pointers
+ * @clks: Pointer to an array of struct clk pointers
+ * @nr_clks: The number of clocks in the @clks array.
+ *
+ * Call s3c24xx_register_clock() for all the clock pointers contained
+ * in the @clks list. Returns the number of failures.
+ */
 int s3c24xx_register_clocks(struct clk **clks, int nr_clks)
 {
 	int fails = 0;
 
 	for (; nr_clks > 0; nr_clks--, clks++) {
-		if (s3c24xx_register_clock(*clks) < 0)
+		if (s3c24xx_register_clock(*clks) < 0) {
+			struct clk *clk = *clks;
+			printk(KERN_ERR "%s: failed to register %p: %s\n",
+			       __func__, clk, clk->name);
 			fails++;
+		}
 	}
 
 	return fails;
 }
 
+/**
+ * s3c_register_clocks() - register an array of clocks
+ * @clkp: Pointer to the first clock in the array.
+ * @nr_clks: Number of clocks to register.
+ *
+ * Call s3c24xx_register_clock() on the @clkp array given, printing an
+ * error if it fails to register the clock (unlikely).
+ */
+void __init s3c_register_clocks(struct clk *clkp, int nr_clks)
+{
+	int ret;
+
+	for (; nr_clks > 0; nr_clks--, clkp++) {
+		ret = s3c24xx_register_clock(clkp);
+
+		if (ret < 0) {
+			printk(KERN_ERR "Failed to register clock %s (%d)\n",
+			       clkp->name, ret);
+		}
+	}
+}
+
 /* initalise all the clocks */
 
 int __init s3c24xx_register_baseclocks(unsigned long xtal)
diff --git a/arch/arm/plat-s3c/dev-fb.c b/arch/arm/plat-samsung/dev-fb.c
index a90198fc4b0f..a90198fc4b0f 100644
--- a/arch/arm/plat-s3c/dev-fb.c
+++ b/arch/arm/plat-samsung/dev-fb.c
diff --git a/arch/arm/plat-s3c/dev-hsmmc.c b/arch/arm/plat-samsung/dev-hsmmc.c
index 4c05b39810e2..4c05b39810e2 100644
--- a/arch/arm/plat-s3c/dev-hsmmc.c
+++ b/arch/arm/plat-samsung/dev-hsmmc.c
diff --git a/arch/arm/plat-s3c/dev-hsmmc1.c b/arch/arm/plat-samsung/dev-hsmmc1.c
index e49bc4cd0ee6..e49bc4cd0ee6 100644
--- a/arch/arm/plat-s3c/dev-hsmmc1.c
+++ b/arch/arm/plat-samsung/dev-hsmmc1.c
diff --git a/arch/arm/plat-s3c/dev-hsmmc2.c b/arch/arm/plat-samsung/dev-hsmmc2.c
index 824580bc0e06..824580bc0e06 100644
--- a/arch/arm/plat-s3c/dev-hsmmc2.c
+++ b/arch/arm/plat-samsung/dev-hsmmc2.c
diff --git a/arch/arm/plat-s3c/dev-i2c0.c b/arch/arm/plat-samsung/dev-i2c0.c
index 4c761529b949..4c761529b949 100644
--- a/arch/arm/plat-s3c/dev-i2c0.c
+++ b/arch/arm/plat-samsung/dev-i2c0.c
diff --git a/arch/arm/plat-s3c/dev-i2c1.c b/arch/arm/plat-samsung/dev-i2c1.c
index d44f79110506..d44f79110506 100644
--- a/arch/arm/plat-s3c/dev-i2c1.c
+++ b/arch/arm/plat-samsung/dev-i2c1.c
diff --git a/arch/arm/plat-s3c/dev-nand.c b/arch/arm/plat-samsung/dev-nand.c
index a52fb6cf618f..a52fb6cf618f 100644
--- a/arch/arm/plat-s3c/dev-nand.c
+++ b/arch/arm/plat-samsung/dev-nand.c
diff --git a/arch/arm/plat-samsung/dev-uart.c b/arch/arm/plat-samsung/dev-uart.c
new file mode 100644
index 000000000000..3776cd952450
--- /dev/null
+++ b/arch/arm/plat-samsung/dev-uart.c
@@ -0,0 +1,44 @@
+/* linux/arch/arm/plat-samsung/dev-uart.c
+ *	originally from arch/arm/plat-s3c24xx/devs.c
+ *x
+ * Copyright (c) 2004 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * Base S3C24XX platform device definitions
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+*/
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+/* uart devices */
+
+static struct platform_device s3c24xx_uart_device0 = {
+	.id		= 0,
+};
+
+static struct platform_device s3c24xx_uart_device1 = {
+	.id		= 1,
+};
+
+static struct platform_device s3c24xx_uart_device2 = {
+	.id		= 2,
+};
+
+static struct platform_device s3c24xx_uart_device3 = {
+	.id		= 3,
+};
+
+struct platform_device *s3c24xx_uart_src[4] = {
+	&s3c24xx_uart_device0,
+	&s3c24xx_uart_device1,
+	&s3c24xx_uart_device2,
+	&s3c24xx_uart_device3,
+};
+
+struct platform_device *s3c24xx_uart_devs[4] = {
+};
diff --git a/arch/arm/plat-s3c/dev-usb-hsotg.c b/arch/arm/plat-samsung/dev-usb-hsotg.c
index e2f604b51c86..33a844ab6917 100644
--- a/arch/arm/plat-s3c/dev-usb-hsotg.c
+++ b/arch/arm/plat-samsung/dev-usb-hsotg.c
@@ -14,6 +14,7 @@
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
 
 #include <mach/irqs.h>
 #include <mach/map.h>
@@ -33,9 +34,15 @@ static struct resource s3c_usb_hsotg_resources[] = {
 	},
 };
 
+static u64 s3c_hsotg_dmamask = DMA_BIT_MASK(32);
+
 struct platform_device s3c_device_usb_hsotg = {
 	.name		= "s3c-hsotg",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(s3c_usb_hsotg_resources),
 	.resource	= s3c_usb_hsotg_resources,
+	.dev		= {
+		.dma_mask		= &s3c_hsotg_dmamask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
 };
diff --git a/arch/arm/plat-s3c/dev-usb.c b/arch/arm/plat-samsung/dev-usb.c
index 2ee85abed6d9..88165657fa53 100644
--- a/arch/arm/plat-s3c/dev-usb.c
+++ b/arch/arm/plat-samsung/dev-usb.c
@@ -19,7 +19,7 @@
 #include <mach/map.h>
 
 #include <plat/devs.h>
-
+#include <plat/usb-control.h>
 
 static struct resource s3c_usb_resource[] = {
 	[0] = {
@@ -36,7 +36,7 @@ static struct resource s3c_usb_resource[] = {
 
 static u64 s3c_device_usb_dmamask = 0xffffffffUL;
 
-struct platform_device s3c_device_usb = {
+struct platform_device s3c_device_ohci = {
 	.name		  = "s3c2410-ohci",
 	.id		  = -1,
 	.num_resources	  = ARRAY_SIZE(s3c_usb_resource),
@@ -47,4 +47,23 @@ struct platform_device s3c_device_usb = {
 	}
 };
 
-EXPORT_SYMBOL(s3c_device_usb);
+EXPORT_SYMBOL(s3c_device_ohci);
+
+/**
+ * s3c_ohci_set_platdata - initialise OHCI device platform data
+ * @info: The platform data.
+ *
+ * This call copies the @info passed in and sets the device .platform_data
+ * field to that copy. The @info is copied so that the original can be marked
+ * __initdata.
+ */
+void __init s3c_ohci_set_platdata(struct s3c2410_hcd_info *info)
+{
+	struct s3c2410_hcd_info *npd;
+
+	npd = kmemdup(info, sizeof(struct s3c2410_hcd_info), GFP_KERNEL);
+	if (!npd)
+		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
+
+	s3c_device_ohci.dev.platform_data = npd;
+}
diff --git a/arch/arm/plat-s3c/dma.c b/arch/arm/plat-samsung/dma.c
index a995850cd9d5..cb459dd95459 100644
--- a/arch/arm/plat-s3c/dma.c
+++ b/arch/arm/plat-samsung/dma.c
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c/dma.c
+/* linux/arch/arm/plat-samsung/dma.c
  *
  * Copyright (c) 2003-2009 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
@@ -20,8 +20,6 @@ struct s3c2410_dma_buf;
 #include <mach/dma.h>
 #include <mach/irqs.h>
 
-#include <plat/dma-plat.h>
-
 /* dma channel state information */
 struct s3c2410_dma_chan s3c2410_chans[S3C_DMA_CHANNELS];
 struct s3c2410_dma_chan *s3c_dma_chan_map[DMACH_MAX];
diff --git a/arch/arm/plat-s3c/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
index 456969b6fa0d..44a84e896546 100644
--- a/arch/arm/plat-s3c/gpio-config.c
+++ b/arch/arm/plat-samsung/gpio-config.c
@@ -17,7 +17,7 @@
 #include <linux/gpio.h>
 #include <linux/io.h>
 
-#include <mach/gpio-core.h>
+#include <plat/gpio-core.h>
 #include <plat/gpio-cfg.h>
 #include <plat/gpio-cfg-helpers.h>
 
diff --git a/arch/arm/plat-s3c/gpio.c b/arch/arm/plat-samsung/gpio.c
index 5ff24e0f9f89..28d2ab8a08db 100644
--- a/arch/arm/plat-s3c/gpio.c
+++ b/arch/arm/plat-samsung/gpio.c
@@ -16,7 +16,7 @@
 #include <linux/io.h>
 #include <linux/gpio.h>
 
-#include <mach/gpio-core.h>
+#include <plat/gpio-core.h>
 
 #ifdef CONFIG_S3C_GPIO_TRACK
 struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END];
diff --git a/arch/arm/plat-samsung/gpiolib.c b/arch/arm/plat-samsung/gpiolib.c
new file mode 100644
index 000000000000..8a8ba8bc1d96
--- /dev/null
+++ b/arch/arm/plat-samsung/gpiolib.c
@@ -0,0 +1,199 @@
+/* arch/arm/plat-samsung/gpiolib.c
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * Copyright (c) 2009 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * SAMSUNG - GPIOlib support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+#include <mach/gpio.h>
+#include <plat/gpio-core.h>
+#include <plat/gpio-cfg.h>
+#include <plat/gpio-cfg-helpers.h>
+
+#ifndef DEBUG_GPIO
+#define gpio_dbg(x...) do { } while (0)
+#else
+#define gpio_dbg(x...) printk(KERN_DEBUG x)
+#endif
+
+/* The samsung_gpiolib_4bit routines are to control the gpio banks where
+ * the gpio configuration register (GPxCON) has 4 bits per GPIO, as the
+ * following example:
+ *
+ * base + 0x00: Control register, 4 bits per gpio
+ *		gpio n: 4 bits starting at (4*n)
+ *		0000 = input, 0001 = output, others mean special-function
+ * base + 0x04: Data register, 1 bit per gpio
+ *		bit n: data bit n
+ *
+ * Note, since the data register is one bit per gpio and is at base + 0x4
+ * we can use s3c_gpiolib_get and s3c_gpiolib_set to change the state of
+ * the output.
+*/
+
+static int samsung_gpiolib_4bit_input(struct gpio_chip *chip,
+				      unsigned int offset)
+{
+	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
+	void __iomem *base = ourchip->base;
+	unsigned long con;
+
+	con = __raw_readl(base + GPIOCON_OFF);
+	con &= ~(0xf << con_4bit_shift(offset));
+	__raw_writel(con, base + GPIOCON_OFF);
+
+	gpio_dbg("%s: %p: CON now %08lx\n", __func__, base, con);
+
+	return 0;
+}
+
+static int samsung_gpiolib_4bit_output(struct gpio_chip *chip,
+				       unsigned int offset, int value)
+{
+	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
+	void __iomem *base = ourchip->base;
+	unsigned long con;
+	unsigned long dat;
+
+	con = __raw_readl(base + GPIOCON_OFF);
+	con &= ~(0xf << con_4bit_shift(offset));
+	con |= 0x1 << con_4bit_shift(offset);
+
+	dat = __raw_readl(base + GPIODAT_OFF);
+
+	if (value)
+		dat |= 1 << offset;
+	else
+		dat &= ~(1 << offset);
+
+	__raw_writel(dat, base + GPIODAT_OFF);
+	__raw_writel(con, base + GPIOCON_OFF);
+	__raw_writel(dat, base + GPIODAT_OFF);
+
+	gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat);
+
+	return 0;
+}
+
+/* The next set of routines are for the case where the GPIO configuration
+ * registers are 4 bits per GPIO but there is more than one register (the
+ * bank has more than 8 GPIOs.
+ *
+ * This case is the similar to the 4 bit case, but the registers are as
+ * follows:
+ *
+ * base + 0x00: Control register, 4 bits per gpio (lower 8 GPIOs)
+ *		gpio n: 4 bits starting at (4*n)
+ *		0000 = input, 0001 = output, others mean special-function
+ * base + 0x04: Control register, 4 bits per gpio (up to 8 additions GPIOs)
+ *		gpio n: 4 bits starting at (4*n)
+ *		0000 = input, 0001 = output, others mean special-function
+ * base + 0x08: Data register, 1 bit per gpio
+ *		bit n: data bit n
+ *
+ * To allow us to use the s3c_gpiolib_get and s3c_gpiolib_set routines we
+ * store the 'base + 0x4' address so that these routines see the data
+ * register at ourchip->base + 0x04.
+ */
+
+static int samsung_gpiolib_4bit2_input(struct gpio_chip *chip,
+				       unsigned int offset)
+{
+	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
+	void __iomem *base = ourchip->base;
+	void __iomem *regcon = base;
+	unsigned long con;
+
+	if (offset > 7)
+		offset -= 8;
+	else
+		regcon -= 4;
+
+	con = __raw_readl(regcon);
+	con &= ~(0xf << con_4bit_shift(offset));
+	__raw_writel(con, regcon);
+
+	gpio_dbg("%s: %p: CON %08lx\n", __func__, base, con);
+
+	return 0;
+}
+
+static int samsung_gpiolib_4bit2_output(struct gpio_chip *chip,
+					unsigned int offset, int value)
+{
+	struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip);
+	void __iomem *base = ourchip->base;
+	void __iomem *regcon = base;
+	unsigned long con;
+	unsigned long dat;
+	unsigned con_offset = offset;
+
+	if (con_offset > 7)
+		con_offset -= 8;
+	else
+		regcon -= 4;
+
+	con = __raw_readl(regcon);
+	con &= ~(0xf << con_4bit_shift(con_offset));
+	con |= 0x1 << con_4bit_shift(con_offset);
+
+	dat = __raw_readl(base + GPIODAT_OFF);
+
+	if (value)
+		dat |= 1 << offset;
+	else
+		dat &= ~(1 << offset);
+
+	__raw_writel(dat, base + GPIODAT_OFF);
+	__raw_writel(con, regcon);
+	__raw_writel(dat, base + GPIODAT_OFF);
+
+	gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat);
+
+	return 0;
+}
+
+void __init samsung_gpiolib_add_4bit(struct s3c_gpio_chip *chip)
+{
+	chip->chip.direction_input = samsung_gpiolib_4bit_input;
+	chip->chip.direction_output = samsung_gpiolib_4bit_output;
+	chip->pm = __gpio_pm(&s3c_gpio_pm_4bit);
+}
+
+void __init samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip)
+{
+	chip->chip.direction_input = samsung_gpiolib_4bit2_input;
+	chip->chip.direction_output = samsung_gpiolib_4bit2_output;
+	chip->pm = __gpio_pm(&s3c_gpio_pm_4bit);
+}
+
+void __init samsung_gpiolib_add_4bit_chips(struct s3c_gpio_chip *chip,
+					   int nr_chips)
+{
+	for (; nr_chips > 0; nr_chips--, chip++) {
+		samsung_gpiolib_add_4bit(chip);
+		s3c_gpiolib_add(chip);
+	}
+}
+
+void __init samsung_gpiolib_add_4bit2_chips(struct s3c_gpio_chip *chip,
+					    int nr_chips)
+{
+	for (; nr_chips > 0; nr_chips--, chip++) {
+		samsung_gpiolib_add_4bit2(chip);
+		s3c_gpiolib_add(chip);
+	}
+}
diff --git a/arch/arm/plat-s3c/include/plat/adc.h b/arch/arm/plat-samsung/include/plat/adc.h
index 5f3b1cd53b90..e8382c7be10b 100644
--- a/arch/arm/plat-s3c/include/plat/adc.h
+++ b/arch/arm/plat-samsung/include/plat/adc.h
@@ -1,10 +1,10 @@
-/* arch/arm/plat-s3c/include/plat/adc.h
+/* arch/arm/plat-samsung/include/plat/adc.h
  *
  * Copyright (c) 2008 Simtec Electronics
  *	http://armlinux.simnte.co.uk/
  *	Ben Dooks <ben@simtec.co.uk>
  *
- * S3C24XX ADC driver information
+ * S3C ADC driver information
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
diff --git a/arch/arm/plat-s3c/include/plat/audio.h b/arch/arm/plat-samsung/include/plat/audio.h
index f22d23bb6271..e32f9edfd4b7 100644
--- a/arch/arm/plat-s3c/include/plat/audio.h
+++ b/arch/arm/plat-samsung/include/plat/audio.h
@@ -1,4 +1,4 @@
-/* arch/arm/plat-s3c/include/plat/audio.h
+/* arch/arm/plat-samsung/include/plat/audio.h
  *
  * Copyright (c) 2009 Samsung Electronics Co. Ltd
  * Author: Jaswinder Singh <jassi.brar@samsung.com>
@@ -8,6 +8,14 @@
  * published by the Free Software Foundation.
  */
 
+/* The machine init code calls s3c*_ac97_setup_gpio with
+ * one of these defines in order to select appropriate bank
+ * of GPIO for AC97 pins
+ */
+#define S3C64XX_AC97_GPD  0
+#define S3C64XX_AC97_GPE  1
+extern void s3c64xx_ac97_setup_gpio(int);
+
 /**
  * struct s3c_audio_pdata - common platform data for audio device drivers
  * @cfg_gpio: Callback function to setup mux'ed pins in I2S/PCM/AC97 mode
diff --git a/arch/arm/plat-samsung/include/plat/clock-clksrc.h b/arch/arm/plat-samsung/include/plat/clock-clksrc.h
new file mode 100644
index 000000000000..50a8ca7c3760
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/clock-clksrc.h
@@ -0,0 +1,83 @@
+/* linux/arch/arm/plat-samsung/include/plat/clock-clksrc.h
+ *
+ * Parts taken from arch/arm/plat-s3c64xx/clock.c
+ *	Copyright 2008 Openmoko, Inc.
+ *	Copyright 2008 Simtec Electronics
+ *		Ben Dooks <ben@simtec.co.uk>
+ *		http://armlinux.simtec.co.uk/
+ *
+ * Copyright 2009 Ben Dooks <ben-linux@fluff.org>
+ * Copyright 2009 Harald Welte
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+/**
+ * struct clksrc_sources - list of sources for a given clock
+ * @sources: array of pointers to clocks
+ * @nr_sources: The size of @sources
+ */
+struct clksrc_sources {
+	unsigned int	nr_sources;
+	struct clk	**sources;
+};
+
+/**
+ * struct clksrc_reg - register definition for clock control bits
+ * @reg: pointer to the register in virtual memory.
+ * @shift: the shift in bits to where the bitfield is.
+ * @size: the size in bits of the bitfield.
+ *
+ * This specifies the size and position of the bits we are interested
+ * in within the register specified by @reg.
+ */
+struct clksrc_reg {
+	void __iomem		*reg;
+	unsigned short		shift;
+	unsigned short		size;
+};
+
+/**
+ * struct clksrc_clk - class of clock for newer style samsung devices.
+ * @clk: the standard clock representation
+ * @sources: the sources for this clock
+ * @reg_src: the register definition for selecting the clock's source
+ * @reg_div: the register definition for the clock's output divisor
+ *
+ * This clock implements the features required by the newer SoCs where
+ * the standard clock block provides an input mux and a post-mux divisor
+ * to provide the periperhal's clock.
+ *
+ * The array of @sources provides the mapping of mux position to the
+ * clock, and @reg_src shows the code where to modify to change the mux
+ * position. The @reg_div defines how to change the divider settings on
+ * the output.
+ */
+struct clksrc_clk {
+	struct clk		clk;
+	struct clksrc_sources	*sources;
+
+	struct clksrc_reg	reg_src;
+	struct clksrc_reg	reg_div;
+};
+
+/**
+ * s3c_set_clksrc() - setup the clock from the register settings
+ * @clk: The clock to setup.
+ * @announce: true to announce the setting to printk().
+ *
+ * Setup the clock from the current register settings, for when the
+ * kernel boots or if it is resuming from a possibly unknown state.
+ */
+extern void s3c_set_clksrc(struct clksrc_clk *clk, bool announce);
+
+/**
+ * s3c_register_clksrc() register clocks from an array of clksrc clocks
+ * @srcs: The array of clocks to register
+ * @size: The size of the @srcs array.
+ *
+ * Initialise and register the array of clocks described by @srcs.
+ */
+extern void s3c_register_clksrc(struct clksrc_clk *srcs, int size);
diff --git a/arch/arm/plat-s3c/include/plat/clock.h b/arch/arm/plat-samsung/include/plat/clock.h
index d86af84b5b8c..60b62692ac7a 100644
--- a/arch/arm/plat-s3c/include/plat/clock.h
+++ b/arch/arm/plat-samsung/include/plat/clock.h
@@ -11,6 +11,30 @@
 
 #include <linux/spinlock.h>
 
+struct clk;
+
+/**
+ * struct clk_ops - standard clock operations
+ * @set_rate: set the clock rate, see clk_set_rate().
+ * @get_rate: get the clock rate, see clk_get_rate().
+ * @round_rate: round a given clock rate, see clk_round_rate().
+ * @set_parent: set the clock's parent, see clk_set_parent().
+ *
+ * Group the common clock implementations together so that we
+ * don't have to keep setting the same fiels again. We leave
+ * enable in struct clk.
+ *
+ * Adding an extra layer of indirection into the process should
+ * not be a problem as it is unlikely these operations are going
+ * to need to be called quickly.
+ */
+struct clk_ops {
+	int		    (*set_rate)(struct clk *c, unsigned long rate);
+	unsigned long	    (*get_rate)(struct clk *c);
+	unsigned long	    (*round_rate)(struct clk *c, unsigned long rate);
+	int		    (*set_parent)(struct clk *c, struct clk *parent);
+};
+
 struct clk {
 	struct list_head      list;
 	struct module        *owner;
@@ -21,11 +45,8 @@ struct clk {
 	unsigned long         rate;
 	unsigned long         ctrlbit;
 
+	struct clk_ops		*ops;
 	int		    (*enable)(struct clk *, int enable);
-	int		    (*set_rate)(struct clk *c, unsigned long rate);
-	unsigned long	    (*get_rate)(struct clk *c);
-	unsigned long	    (*round_rate)(struct clk *c, unsigned long rate);
-	int		    (*set_parent)(struct clk *c, struct clk *parent);
 };
 
 /* other clocks which may be registered by board support */
@@ -54,6 +75,9 @@ extern struct clk clk_h2;
 extern struct clk clk_27m;
 extern struct clk clk_48m;
 
+extern int clk_default_setrate(struct clk *clk, unsigned long rate);
+extern struct clk_ops clk_ops_def_setrate;
+
 /* exports for arch/arm/mach-s3c2410
  *
  * Please DO NOT use these outside of arch/arm/mach-s3c2410
@@ -66,9 +90,11 @@ extern int s3c2410_clkcon_enable(struct clk *clk, int enable);
 extern int s3c24xx_register_clock(struct clk *clk);
 extern int s3c24xx_register_clocks(struct clk **clk, int nr_clks);
 
+extern void s3c_register_clocks(struct clk *clk, int nr_clks);
+
 extern int s3c24xx_register_baseclocks(unsigned long xtal);
 
-extern void s3c64xx_register_clocks(void);
+extern void s5p_register_clocks(unsigned long xtal_freq);
 
 extern void s3c24xx_setup_clocks(unsigned long fclk,
 				 unsigned long hclk,
diff --git a/arch/arm/plat-s3c/include/plat/cpu-freq.h b/arch/arm/plat-samsung/include/plat/cpu-freq.h
index 94eb06a2ea5c..80c4a809c721 100644
--- a/arch/arm/plat-s3c/include/plat/cpu-freq.h
+++ b/arch/arm/plat-samsung/include/plat/cpu-freq.h
@@ -1,4 +1,4 @@
-/* arch/arm/plat-s3c/include/plat/cpu-freq.h
+/* arch/arm/plat-samsung/include/plat/cpu-freq.h
  *
  * Copyright (c) 2006-2007 Simtec Electronics
  *	http://armlinux.simtec.co.uk/
diff --git a/arch/arm/plat-s3c/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index d1131ca11e97..d316b4a579f4 100644
--- a/arch/arm/plat-s3c/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c/include/plat/cpu.h
+/* linux/arch/arm/plat-samsung/include/plat/cpu.h
  *
  * Copyright (c) 2004-2005 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
@@ -48,9 +48,12 @@ extern void s3c_init_cpu(unsigned long idcode,
 
 extern void s3c24xx_init_irq(void);
 extern void s3c64xx_init_irq(u32 vic0, u32 vic1);
+extern void s5p_init_irq(u32 *vic, u32 num_vic);
 
 extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
 extern void s3c64xx_init_io(struct map_desc *mach_desc, int size);
+extern void s5p_init_io(struct map_desc *mach_desc,
+			int size, void __iomem *cpuid_addr);
 
 extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
 
diff --git a/arch/arm/plat-s3c/include/plat/debug-macro.S b/arch/arm/plat-samsung/include/plat/debug-macro.S
index 3634d4e3708b..dc6efd90e8ff 100644
--- a/arch/arm/plat-s3c/include/plat/debug-macro.S
+++ b/arch/arm/plat-samsung/include/plat/debug-macro.S
@@ -1,4 +1,4 @@
-/* linux/include/asm-arm/plat-s3c/debug-macro.S
+/* arch/arm/plat-samsung/include/plat/debug-macro.S
  *
  * Copyright 2005, 2007 Simtec Electronics
  *	http://armlinux.simtec.co.uk/
@@ -11,6 +11,18 @@
 
 #include <plat/regs-serial.h>
 
+/* The S5PV210/S5PC110 and S5P6442 implementations are as belows. */
+
+	.macro fifo_level_s5pv210 rd, rx
+		ldr	\rd, [ \rx, # S3C2410_UFSTAT ]
+		and	\rd, \rd, #S5PV210_UFSTAT_TXMASK
+	.endm
+
+	.macro  fifo_full_s5pv210 rd, rx
+		ldr	\rd, [ \rx, # S3C2410_UFSTAT ]
+		tst	\rd, #S5PV210_UFSTAT_TXFULL
+	.endm
+
 /* The S3C2440 implementations are used by default as they are the
  * most widely re-used */
 
diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index c1c20b023917..796d24258313 100644
--- a/arch/arm/plat-s3c/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -1,4 +1,4 @@
-/* linux/include/asm-arm/plat-s3c24xx/devs.h
+/* arch/arm/plat-samsung/include/plat/devs.h
  *
  * Copyright (c) 2004 Simtec Electronics
  * Ben Dooks <ben@simtec.co.uk>
@@ -18,6 +18,7 @@ struct s3c24xx_uart_resources {
 
 extern struct s3c24xx_uart_resources s3c2410_uart_resources[];
 extern struct s3c24xx_uart_resources s3c64xx_uart_resources[];
+extern struct s3c24xx_uart_resources s5p_uart_resources[];
 
 extern struct platform_device *s3c24xx_uart_devs[];
 extern struct platform_device *s3c24xx_uart_src[];
@@ -28,12 +29,18 @@ extern struct platform_device s3c64xx_device_iis0;
 extern struct platform_device s3c64xx_device_iis1;
 extern struct platform_device s3c64xx_device_iisv4;
 
+extern struct platform_device s3c64xx_device_spi0;
+extern struct platform_device s3c64xx_device_spi1;
+
 extern struct platform_device s3c64xx_device_pcm0;
 extern struct platform_device s3c64xx_device_pcm1;
 
+extern struct platform_device s3c64xx_device_ac97;
+
 extern struct platform_device s3c_device_ts;
+
 extern struct platform_device s3c_device_fb;
-extern struct platform_device s3c_device_usb;
+extern struct platform_device s3c_device_ohci;
 extern struct platform_device s3c_device_lcd;
 extern struct platform_device s3c_device_wdt;
 extern struct platform_device s3c_device_i2c0;
diff --git a/arch/arm/plat-s3c/include/plat/dma-core.h b/arch/arm/plat-samsung/include/plat/dma-core.h
index 32ff2a92cb3c..32ff2a92cb3c 100644
--- a/arch/arm/plat-s3c/include/plat/dma-core.h
+++ b/arch/arm/plat-samsung/include/plat/dma-core.h
diff --git a/arch/arm/plat-s3c24xx/include/plat/dma-plat.h b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h
index 9565ead1bc9b..336d5ac02035 100644
--- a/arch/arm/plat-s3c24xx/include/plat/dma-plat.h
+++ b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h
@@ -1,9 +1,9 @@
-/* linux/arch/arm/plat-s3c24xx/include/plat/dma-plat.h
+/* linux/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h
  *
  * Copyright (C) 2006 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
  *
- * Samsung S3C24XX DMA support
+ * Samsung S3C24XX DMA support - per SoC functions
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
diff --git a/arch/arm/plat-s3c/include/plat/dma.h b/arch/arm/plat-samsung/include/plat/dma.h
index e429d10be3ad..7584d751ed51 100644
--- a/arch/arm/plat-s3c/include/plat/dma.h
+++ b/arch/arm/plat-samsung/include/plat/dma.h
@@ -1,4 +1,4 @@
-/* arch/arm/plat-s3c/include/plat/dma.h
+/* arch/arm/plat-samsung/include/plat/dma.h
  *
  * Copyright (C) 2003-2006 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
diff --git a/arch/arm/plat-s3c/include/plat/fb.h b/arch/arm/plat-samsung/include/plat/fb.h
index f8db87930f8b..ffc01a76b7ce 100644
--- a/arch/arm/plat-s3c/include/plat/fb.h
+++ b/arch/arm/plat-samsung/include/plat/fb.h
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c/include/plat/fb.h
+/* arch/arm/plat-samsung/include/plat/fb.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
index 652e2bbdaa20..dda19da037ad 100644
--- a/arch/arm/plat-s3c/include/plat/gpio-cfg-helpers.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h
@@ -78,7 +78,7 @@ extern int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip,
  *	others = Special functions (dependant on bank)
  *
  * Note, since the code to deal with the case where there are two control
- * registers instead of one, we do not have a seperate set of functions for
+ * registers instead of one, we do not have a separate set of functions for
  * each case.
 */
 extern int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip,
diff --git a/arch/arm/plat-s3c/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
index 29cd6a86cade..29cd6a86cade 100644
--- a/arch/arm/plat-s3c/include/plat/gpio-cfg.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
diff --git a/arch/arm/plat-s3c/include/plat/gpio-core.h b/arch/arm/plat-samsung/include/plat/gpio-core.h
index 32af612767aa..49ff406a7066 100644
--- a/arch/arm/plat-s3c/include/plat/gpio-core.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-core.h
@@ -11,6 +11,11 @@
  * published by the Free Software Foundation.
 */
 
+#define GPIOCON_OFF	(0x00)
+#define GPIODAT_OFF	(0x04)
+
+#define con_4bit_shift(__off) ((__off) * 4)
+
 /* Define the core gpiolib support functions that the s3c platforms may
  * need to extend or change depending on the hardware and the s3c chip
  * selected at build or found at run time.
@@ -80,6 +85,29 @@ extern void s3c_gpiolib_add(struct s3c_gpio_chip *chip);
  * and any other necessary functions.
  */
 
+/**
+ * samsung_gpiolib_add_4bit_chips - 4bit single register GPIO config.
+ * @chip: The gpio chip that is being configured.
+ * @nr_chips: The no of chips (gpio ports) for the GPIO being configured.
+ *
+ * This helper deal with the GPIO cases where the control register has 4 bits
+ * of control per GPIO, generally in the form of:
+ * 0000 = Input
+ * 0001 = Output
+ * others = Special functions (dependant on bank)
+ *
+ * Note, since the code to deal with the case where there are two control
+ * registers instead of one, we do not have a seperate set of function
+ * (samsung_gpiolib_add_4bit2_chips)for each case.
+ */
+extern void samsung_gpiolib_add_4bit_chips(struct s3c_gpio_chip *chip,
+					   int nr_chips);
+extern void samsung_gpiolib_add_4bit2_chips(struct s3c_gpio_chip *chip,
+					    int nr_chips);
+
+extern void samsung_gpiolib_add_4bit(struct s3c_gpio_chip *chip);
+extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip);
+
 #ifdef CONFIG_S3C_GPIO_TRACK
 extern struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END];
 
@@ -90,6 +118,8 @@ static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip)
 #else
 /* machine specific code should provide s3c_gpiolib_getchip */
 
+#include <mach/gpio-track.h>
+
 static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { }
 #endif
 
diff --git a/arch/arm/plat-s3c/include/plat/hwmon.h b/arch/arm/plat-samsung/include/plat/hwmon.h
index 1ba88ea0aa31..1ba88ea0aa31 100644
--- a/arch/arm/plat-s3c/include/plat/hwmon.h
+++ b/arch/arm/plat-samsung/include/plat/hwmon.h
diff --git a/arch/arm/plat-s3c/include/plat/iic-core.h b/arch/arm/plat-samsung/include/plat/iic-core.h
index 36397ca20962..36397ca20962 100644
--- a/arch/arm/plat-s3c/include/plat/iic-core.h
+++ b/arch/arm/plat-samsung/include/plat/iic-core.h
diff --git a/arch/arm/plat-s3c/include/plat/iic.h b/arch/arm/plat-samsung/include/plat/iic.h
index 3083df00dee6..3083df00dee6 100644
--- a/arch/arm/plat-s3c/include/plat/iic.h
+++ b/arch/arm/plat-samsung/include/plat/iic.h
diff --git a/arch/arm/plat-samsung/include/plat/irq-uart.h b/arch/arm/plat-samsung/include/plat/irq-uart.h
new file mode 100644
index 000000000000..a9331e49bea3
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/irq-uart.h
@@ -0,0 +1,20 @@
+/* arch/arm/plat-samsung/include/plat/irq-uart.h
+ *
+ * Copyright (c) 2010 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * Header file for Samsung SoC UART IRQ demux for S3C64XX and later
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+struct s3c_uart_irq {
+	void __iomem	*regs;
+	unsigned int	 base_irq;
+	unsigned int	 parent_irq;
+};
+
+extern void s3c_init_uart_irqs(struct s3c_uart_irq *irq, unsigned int nr_irqs);
+
diff --git a/arch/arm/plat-s3c24xx/include/plat/s3c2442.h b/arch/arm/plat-samsung/include/plat/irq-vic-timer.h
index 451a23a2092a..a90b53431b5b 100644
--- a/arch/arm/plat-s3c24xx/include/plat/s3c2442.h
+++ b/arch/arm/plat-samsung/include/plat/irq-vic-timer.h
@@ -1,17 +1,13 @@
-/* linux/include/asm-arm/plat-s3c24xx/s3c2442.h
+/* arch/arm/plat-samsung/include/plat/irq-vic-timer.h
  *
- * Copyright (c) 2006 Simtec Electronics
+ * Copyright (c) 2010 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
  *
- * Header file for s3c2442 cpu support
+ * Header file for Samsung SoC IRQ VIC timer
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
 */
 
-#ifdef CONFIG_CPU_S3C2442
-extern  int s3c2442_init(void);
-#else
-#define s3c2442_init NULL
-#endif
+extern void s3c_init_vic_timer_irq(unsigned int vic, unsigned int timer);
diff --git a/arch/arm/plat-s3c/include/plat/map-base.h b/arch/arm/plat-samsung/include/plat/map-base.h
index 250be311c85b..250be311c85b 100644
--- a/arch/arm/plat-s3c/include/plat/map-base.h
+++ b/arch/arm/plat-samsung/include/plat/map-base.h
diff --git a/arch/arm/plat-s3c/include/plat/nand.h b/arch/arm/plat-samsung/include/plat/nand.h
index 226147b7e026..b64115fa93a4 100644
--- a/arch/arm/plat-s3c/include/plat/nand.h
+++ b/arch/arm/plat-samsung/include/plat/nand.h
@@ -3,7 +3,7 @@
  * Copyright (c) 2004 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
  *
- * S3C2410 - NAND device controller platfrom_device info
+ * S3C2410 - NAND device controller platform_device info
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
diff --git a/arch/arm/plat-s3c/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h
index 7a797192fcf3..245836d91931 100644
--- a/arch/arm/plat-s3c/include/plat/pm.h
+++ b/arch/arm/plat-samsung/include/plat/pm.h
@@ -1,4 +1,4 @@
-/* linux/include/asm-arm/plat-s3c24xx/pm.h
+/* arch/arm/plat-samsung/include/plat/pm.h
  *
  * Copyright (c) 2004 Simtec Electronics
  *	http://armlinux.simtec.co.uk/
@@ -111,7 +111,7 @@ extern int s3c24xx_irq_resume(struct sys_device *dev);
 
 /* PM debug functions */
 
-#ifdef CONFIG_S3C2410_PM_DEBUG
+#ifdef CONFIG_SAMSUNG_PM_DEBUG
 /**
  * s3c_pm_dbg() - low level debug function for use in suspend/resume.
  * @msg: The message to print.
@@ -141,7 +141,7 @@ static inline void s3c_pm_debug_smdkled(u32 set, u32 clear) { }
 
 /* suspend memory checking */
 
-#ifdef CONFIG_S3C2410_PM_CHECK
+#ifdef CONFIG_SAMSUNG_PM_CHECK
 extern void s3c_pm_check_prepare(void);
 extern void s3c_pm_check_restore(void);
 extern void s3c_pm_check_cleanup(void);
diff --git a/arch/arm/plat-s3c/include/plat/regs-ac97.h b/arch/arm/plat-samsung/include/plat/regs-ac97.h
index c3878f7acb83..c3878f7acb83 100644
--- a/arch/arm/plat-s3c/include/plat/regs-ac97.h
+++ b/arch/arm/plat-samsung/include/plat/regs-ac97.h
diff --git a/arch/arm/plat-s3c/include/plat/regs-adc.h b/arch/arm/plat-samsung/include/plat/regs-adc.h
index 4323cccc86cd..7554c4fcddb9 100644
--- a/arch/arm/plat-s3c/include/plat/regs-adc.h
+++ b/arch/arm/plat-samsung/include/plat/regs-adc.h
@@ -19,9 +19,13 @@
 #define S3C2410_ADCDLY	   S3C2410_ADCREG(0x08)
 #define S3C2410_ADCDAT0	   S3C2410_ADCREG(0x0C)
 #define S3C2410_ADCDAT1	   S3C2410_ADCREG(0x10)
+#define S3C64XX_ADCUPDN		S3C2410_ADCREG(0x14)
+#define S3C64XX_ADCCLRINT	S3C2410_ADCREG(0x18)
+#define S3C64XX_ADCCLRINTPNDNUP	S3C2410_ADCREG(0x20)
 
 
 /* ADCCON Register Bits */
+#define S3C64XX_ADCCON_RESSEL		(1<<16)
 #define S3C2410_ADCCON_ECFLG		(1<<15)
 #define S3C2410_ADCCON_PRSCEN		(1<<14)
 #define S3C2410_ADCCON_PRSCVL(x)	(((x)&0xFF)<<6)
diff --git a/arch/arm/plat-s3c/include/plat/regs-fb-v4.h b/arch/arm/plat-samsung/include/plat/regs-fb-v4.h
index a60ed0d06c94..0f43599248ad 100644
--- a/arch/arm/plat-s3c/include/plat/regs-fb-v4.h
+++ b/arch/arm/plat-samsung/include/plat/regs-fb-v4.h
@@ -1,4 +1,4 @@
-/* arch/arm/plat-s3c/include/plat/regs-fb-v4.h
+/* arch/arm/plat-samsung/include/plat/regs-fb-v4.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c/include/plat/regs-fb.h b/arch/arm/plat-samsung/include/plat/regs-fb.h
index e9ee599d430e..0ef806e50344 100644
--- a/arch/arm/plat-s3c/include/plat/regs-fb.h
+++ b/arch/arm/plat-samsung/include/plat/regs-fb.h
@@ -1,4 +1,4 @@
-/* arch/arm/plat-s3c/include/plat/regs-fb.h
+/* arch/arm/plat-samsung/include/plat/regs-fb.h
  *
  * Copyright 2008 Openmoko, Inc.
  * Copyright 2008 Simtec Electronics
diff --git a/arch/arm/plat-s3c/include/plat/regs-iic.h b/arch/arm/plat-samsung/include/plat/regs-iic.h
index 2f7c17de8ac8..2f7c17de8ac8 100644
--- a/arch/arm/plat-s3c/include/plat/regs-iic.h
+++ b/arch/arm/plat-samsung/include/plat/regs-iic.h
diff --git a/arch/arm/plat-s3c/include/plat/regs-irqtype.h b/arch/arm/plat-samsung/include/plat/regs-irqtype.h
index c63cd3fc5ad3..c63cd3fc5ad3 100644
--- a/arch/arm/plat-s3c/include/plat/regs-irqtype.h
+++ b/arch/arm/plat-samsung/include/plat/regs-irqtype.h
diff --git a/arch/arm/plat-s3c/include/plat/regs-nand.h b/arch/arm/plat-samsung/include/plat/regs-nand.h
index 238efea7b9e4..238efea7b9e4 100644
--- a/arch/arm/plat-s3c/include/plat/regs-nand.h
+++ b/arch/arm/plat-samsung/include/plat/regs-nand.h
diff --git a/arch/arm/plat-s3c/include/plat/regs-rtc.h b/arch/arm/plat-samsung/include/plat/regs-rtc.h
index d5837cf8e402..d5837cf8e402 100644
--- a/arch/arm/plat-s3c/include/plat/regs-rtc.h
+++ b/arch/arm/plat-samsung/include/plat/regs-rtc.h
diff --git a/arch/arm/plat-s3c/include/plat/regs-s3c2412-iis.h b/arch/arm/plat-samsung/include/plat/regs-s3c2412-iis.h
index abf2fbc2eb2f..abf2fbc2eb2f 100644
--- a/arch/arm/plat-s3c/include/plat/regs-s3c2412-iis.h
+++ b/arch/arm/plat-samsung/include/plat/regs-s3c2412-iis.h
diff --git a/arch/arm/plat-s3c/include/plat/regs-sdhci.h b/arch/arm/plat-samsung/include/plat/regs-sdhci.h
index e34049ad44cc..e34049ad44cc 100644
--- a/arch/arm/plat-s3c/include/plat/regs-sdhci.h
+++ b/arch/arm/plat-samsung/include/plat/regs-sdhci.h
diff --git a/arch/arm/plat-s3c/include/plat/regs-serial.h b/arch/arm/plat-samsung/include/plat/regs-serial.h
index 85d8904e7f24..a6eba8496b24 100644
--- a/arch/arm/plat-s3c/include/plat/regs-serial.h
+++ b/arch/arm/plat-samsung/include/plat/regs-serial.h
@@ -1,4 +1,4 @@
-/* arch/arm/mach-s3c2410/include/mach/regs-serial.h
+/* arch/arm/plat-samsung/include/plat/regs-serial.h
  *
  *  From linux/include/asm-arm/hardware/serial_s3c2410.h
  *
@@ -194,6 +194,36 @@
 #define S3C64XX_UINTSP		0x34
 #define S3C64XX_UINTM		0x38
 
+/* Following are specific to S5PV210 and S5P6442 */
+#define S5PV210_UCON_CLKMASK	(1<<10)
+#define S5PV210_UCON_PCLK	(0<<10)
+#define S5PV210_UCON_UCLK	(1<<10)
+
+#define S5PV210_UFCON_TXTRIG0	(0<<8)
+#define S5PV210_UFCON_TXTRIG4	(1<<8)
+#define S5PV210_UFCON_TXTRIG8	(2<<8)
+#define S5PV210_UFCON_TXTRIG16	(3<<8)
+#define S5PV210_UFCON_TXTRIG32	(4<<8)
+#define S5PV210_UFCON_TXTRIG64	(5<<8)
+#define S5PV210_UFCON_TXTRIG128 (6<<8)
+#define S5PV210_UFCON_TXTRIG256 (7<<8)
+
+#define S5PV210_UFCON_RXTRIG1	(0<<4)
+#define S5PV210_UFCON_RXTRIG4	(1<<4)
+#define S5PV210_UFCON_RXTRIG8	(2<<4)
+#define S5PV210_UFCON_RXTRIG16	(3<<4)
+#define S5PV210_UFCON_RXTRIG32	(4<<4)
+#define S5PV210_UFCON_RXTRIG64	(5<<4)
+#define S5PV210_UFCON_RXTRIG128	(6<<4)
+#define S5PV210_UFCON_RXTRIG256	(7<<4)
+
+#define S5PV210_UFSTAT_TXFULL	(1<<24)
+#define S5PV210_UFSTAT_RXFULL	(1<<8)
+#define S5PV210_UFSTAT_TXMASK	(255<<16)
+#define S5PV210_UFSTAT_TXSHIFT	(16)
+#define S5PV210_UFSTAT_RXMASK	(255<<0)
+#define S5PV210_UFSTAT_RXSHIFT	(0)
+
 #ifndef __ASSEMBLY__
 
 /* struct s3c24xx_uart_clksrc
diff --git a/arch/arm/plat-s3c/include/plat/regs-timer.h b/arch/arm/plat-samsung/include/plat/regs-timer.h
index d097d92f8cc7..d097d92f8cc7 100644
--- a/arch/arm/plat-s3c/include/plat/regs-timer.h
+++ b/arch/arm/plat-samsung/include/plat/regs-timer.h
diff --git a/arch/arm/plat-s3c/include/plat/regs-usb-hsotg-phy.h b/arch/arm/plat-samsung/include/plat/regs-usb-hsotg-phy.h
index 36a85f5000c8..a111ad871833 100644
--- a/arch/arm/plat-s3c/include/plat/regs-usb-hsotg-phy.h
+++ b/arch/arm/plat-samsung/include/plat/regs-usb-hsotg-phy.h
@@ -12,7 +12,7 @@
  * published by the Free Software Foundation.
 */
 
-/* Note, this is a seperate header file as some of the clock framework
+/* Note, this is a separate header file as some of the clock framework
  * needs to touch this if the clk_48m is used as the USB OHCI or other
  * peripheral source.
 */
diff --git a/arch/arm/plat-s3c/include/plat/regs-usb-hsotg.h b/arch/arm/plat-samsung/include/plat/regs-usb-hsotg.h
index 8d18d9d4d148..8d18d9d4d148 100644
--- a/arch/arm/plat-s3c/include/plat/regs-usb-hsotg.h
+++ b/arch/arm/plat-samsung/include/plat/regs-usb-hsotg.h
diff --git a/arch/arm/plat-s3c/include/plat/regs-watchdog.h b/arch/arm/plat-samsung/include/plat/regs-watchdog.h
index 4938492470f7..4938492470f7 100644
--- a/arch/arm/plat-s3c/include/plat/regs-watchdog.h
+++ b/arch/arm/plat-samsung/include/plat/regs-watchdog.h
diff --git a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
new file mode 100644
index 000000000000..d17724149315
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
@@ -0,0 +1,67 @@
+/* linux/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
+ *
+ * Copyright (C) 2009 Samsung Electronics Ltd.
+ *	Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __S3C64XX_PLAT_SPI_H
+#define __S3C64XX_PLAT_SPI_H
+
+/**
+ * struct s3c64xx_spi_csinfo - ChipSelect description
+ * @fb_delay: Slave specific feedback delay.
+ *            Refer to FB_CLK_SEL register definition in SPI chapter.
+ * @line: Custom 'identity' of the CS line.
+ * @set_level: CS line control.
+ *
+ * This is per SPI-Slave Chipselect information.
+ * Allocate and initialize one in machine init code and make the
+ * spi_board_info.controller_data point to it.
+ */
+struct s3c64xx_spi_csinfo {
+	u8 fb_delay;
+	unsigned line;
+	void (*set_level)(unsigned line_id, int lvl);
+};
+
+/**
+ * struct s3c64xx_spi_info - SPI Controller defining structure
+ * @src_clk_nr: Clock source index for the CLK_CFG[SPI_CLKSEL] field.
+ * @src_clk_name: Platform name of the corresponding clock.
+ * @num_cs: Number of CS this controller emulates.
+ * @cfg_gpio: Configure pins for this SPI controller.
+ * @fifo_lvl_mask: All tx fifo_lvl fields start at offset-6
+ * @rx_lvl_offset: Depends on tx fifo_lvl field and bus number
+ * @high_speed: If the controller supports HIGH_SPEED_EN bit
+ */
+struct s3c64xx_spi_info {
+	int src_clk_nr;
+	char *src_clk_name;
+
+	int num_cs;
+
+	int (*cfg_gpio)(struct platform_device *pdev);
+
+	/* Following two fields are for future compatibility */
+	int fifo_lvl_mask;
+	int rx_lvl_offset;
+	int high_speed;
+};
+
+/**
+ * s3c64xx_spi_set_info - SPI Controller configure callback by the board
+ *				initialization code.
+ * @cntrlr: SPI controller number the configuration is for.
+ * @src_clk_nr: Clock the SPI controller is to use to generate SPI clocks.
+ * @num_cs: Number of elements in the 'cs' array.
+ *
+ * Call this from machine init code for each SPI Controller that
+ * has some chips attached to it.
+ */
+extern void s3c64xx_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
+
+#endif /* __S3C64XX_PLAT_SPI_H */
diff --git a/arch/arm/plat-s3c/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h
index 53198673b6bd..7d07cd7aa4f2 100644
--- a/arch/arm/plat-s3c/include/plat/sdhci.h
+++ b/arch/arm/plat-samsung/include/plat/sdhci.h
@@ -78,8 +78,8 @@ extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w);
 
 /* S3C6400 SDHCI setup */
 
-#ifdef CONFIG_S3C6400_SETUP_SDHCI
-extern char *s3c6400_hsmmc_clksrcs[4];
+#ifdef CONFIG_S3C64XX_SETUP_SDHCI
+extern char *s3c64xx_hsmmc_clksrcs[4];
 
 #ifdef CONFIG_S3C_DEV_HSMMC
 extern void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev,
@@ -89,7 +89,7 @@ extern void s3c6400_setup_sdhci_cfg_card(struct platform_device *dev,
 
 static inline void s3c6400_default_sdhci0(void)
 {
-	s3c_hsmmc0_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
+	s3c_hsmmc0_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
 	s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
 	s3c_hsmmc0_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
 }
@@ -101,7 +101,7 @@ static inline void s3c6400_default_sdhci0(void) { }
 #ifdef CONFIG_S3C_DEV_HSMMC1
 static inline void s3c6400_default_sdhci1(void)
 {
-	s3c_hsmmc1_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
+	s3c_hsmmc1_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
 	s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
 	s3c_hsmmc1_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
 }
@@ -112,7 +112,7 @@ static inline void s3c6400_default_sdhci1(void) { }
 #ifdef CONFIG_S3C_DEV_HSMMC2
 static inline void s3c6400_default_sdhci2(void)
 {
-	s3c_hsmmc2_def_platdata.clocks = s3c6400_hsmmc_clksrcs;
+	s3c_hsmmc2_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
 	s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
 	s3c_hsmmc2_def_platdata.cfg_card = s3c6400_setup_sdhci_cfg_card;
 }
@@ -120,27 +120,19 @@ static inline void s3c6400_default_sdhci2(void)
 static inline void s3c6400_default_sdhci2(void) { }
 #endif /* CONFIG_S3C_DEV_HSMMC2 */
 
-#else
-static inline void s3c6400_default_sdhci0(void) { }
-static inline void s3c6400_default_sdhci1(void) { }
-#endif /* CONFIG_S3C6400_SETUP_SDHCI */
-
 /* S3C6410 SDHCI setup */
 
-#ifdef CONFIG_S3C6410_SETUP_SDHCI
-extern char *s3c6410_hsmmc_clksrcs[4];
-
-extern void s3c6410_setup_sdhci0_cfg_card(struct platform_device *dev,
-					   void __iomem *r,
-					   struct mmc_ios *ios,
-					   struct mmc_card *card);
+extern void s3c6410_setup_sdhci_cfg_card(struct platform_device *dev,
+					 void __iomem *r,
+					 struct mmc_ios *ios,
+					 struct mmc_card *card);
 
 #ifdef CONFIG_S3C_DEV_HSMMC
 static inline void s3c6410_default_sdhci0(void)
 {
-	s3c_hsmmc0_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
+	s3c_hsmmc0_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
 	s3c_hsmmc0_def_platdata.cfg_gpio = s3c64xx_setup_sdhci0_cfg_gpio;
-	s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
+	s3c_hsmmc0_def_platdata.cfg_card = s3c6410_setup_sdhci_cfg_card;
 }
 #else
 static inline void s3c6410_default_sdhci0(void) { }
@@ -149,9 +141,9 @@ static inline void s3c6410_default_sdhci0(void) { }
 #ifdef CONFIG_S3C_DEV_HSMMC1
 static inline void s3c6410_default_sdhci1(void)
 {
-	s3c_hsmmc1_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
+	s3c_hsmmc1_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
 	s3c_hsmmc1_def_platdata.cfg_gpio = s3c64xx_setup_sdhci1_cfg_gpio;
-	s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
+	s3c_hsmmc1_def_platdata.cfg_card = s3c6410_setup_sdhci_cfg_card;
 }
 #else
 static inline void s3c6410_default_sdhci1(void) { }
@@ -160,9 +152,9 @@ static inline void s3c6410_default_sdhci1(void) { }
 #ifdef CONFIG_S3C_DEV_HSMMC2
 static inline void s3c6410_default_sdhci2(void)
 {
-	s3c_hsmmc2_def_platdata.clocks = s3c6410_hsmmc_clksrcs;
+	s3c_hsmmc2_def_platdata.clocks = s3c64xx_hsmmc_clksrcs;
 	s3c_hsmmc2_def_platdata.cfg_gpio = s3c64xx_setup_sdhci2_cfg_gpio;
-	s3c_hsmmc2_def_platdata.cfg_card = s3c6410_setup_sdhci0_cfg_card;
+	s3c_hsmmc2_def_platdata.cfg_card = s3c6410_setup_sdhci_cfg_card;
 }
 #else
 static inline void s3c6410_default_sdhci2(void) { }
@@ -171,7 +163,10 @@ static inline void s3c6410_default_sdhci2(void) { }
 #else
 static inline void s3c6410_default_sdhci0(void) { }
 static inline void s3c6410_default_sdhci1(void) { }
-#endif /* CONFIG_S3C6410_SETUP_SDHCI */
+static inline void s3c6400_default_sdhci0(void) { }
+static inline void s3c6400_default_sdhci1(void) { }
+
+#endif /* CONFIG_S3C64XX_SETUP_SDHCI */
 
 /* S5PC100 SDHCI setup */
 
diff --git a/arch/arm/plat-s3c/include/plat/udc-hs.h b/arch/arm/plat-samsung/include/plat/udc-hs.h
index dd04db043109..a22a4f2eea94 100644
--- a/arch/arm/plat-s3c/include/plat/udc-hs.h
+++ b/arch/arm/plat-samsung/include/plat/udc-hs.h
@@ -12,7 +12,7 @@
  * published by the Free Software Foundation.
 */
 
-enum s3c_hostg_dmamode {
+enum s3c_hsotg_dmamode {
 	S3C_HSOTG_DMA_NONE,	/* do not use DMA at-all */
 	S3C_HSOTG_DMA_ONLY,	/* always use DMA */
 	S3C_HSOTG_DMA_DRV,	/* DMA is chosen by driver */
@@ -24,6 +24,6 @@ enum s3c_hostg_dmamode {
  * @is_osc: The clock source is an oscillator, not a crystal
  */
 struct s3c_hsotg_plat {
-	enum s3c_hostg_dmamode	dma;
+	enum s3c_hsotg_dmamode	dma;
 	unsigned int		is_osc : 1;
 };
diff --git a/arch/arm/plat-s3c/include/plat/uncompress.h b/arch/arm/plat-samsung/include/plat/uncompress.h
index dc66a477f62e..7d6ed7263d57 100644
--- a/arch/arm/plat-s3c/include/plat/uncompress.h
+++ b/arch/arm/plat-samsung/include/plat/uncompress.h
@@ -1,4 +1,4 @@
-/* linux/include/asm-arm/plat-s3c/uncompress.h
+/* arch/arm/plat-samsung/include/plat/uncompress.h
  *
  * Copyright 2003, 2007 Simtec Electronics
  *	http://armlinux.simtec.co.uk/
@@ -140,8 +140,6 @@ static void arch_decomp_error(const char *x)
 #define arch_error arch_decomp_error
 #endif
 
-static void error(char *err);
-
 #ifdef CONFIG_S3C_BOOT_UART_FORCE_FIFO
 static inline void arch_enable_uart_fifo(void)
 {
diff --git a/arch/arm/plat-s3c/include/plat/usb-control.h b/arch/arm/plat-samsung/include/plat/usb-control.h
index 822c87fe948e..7fa1fbefc3f2 100644
--- a/arch/arm/plat-s3c/include/plat/usb-control.h
+++ b/arch/arm/plat-samsung/include/plat/usb-control.h
@@ -1,4 +1,4 @@
-/* arch/arm/plat-s3c/include/plat/usb-control.h
+/* arch/arm/plat-samsung/include/plat/usb-control.h
  *
  * Copyright (c) 2004 Simtec Electronics
  *	Ben Dooks <ben@simtec.co.uk>
@@ -38,4 +38,6 @@ static void inline s3c2410_usb_report_oc(struct s3c2410_hcd_info *info, int port
 	}
 }
 
+extern void s3c_ohci_set_platdata(struct s3c2410_hcd_info *info);
+
 #endif /*__ASM_ARCH_USBCONTROL_H */
diff --git a/arch/arm/plat-s3c/include/plat/watchdog-reset.h b/arch/arm/plat-samsung/include/plat/watchdog-reset.h
index 54b762acb5a0..54b762acb5a0 100644
--- a/arch/arm/plat-s3c/include/plat/watchdog-reset.h
+++ b/arch/arm/plat-samsung/include/plat/watchdog-reset.h
diff --git a/arch/arm/plat-s3c/init.c b/arch/arm/plat-samsung/init.c
index 6790edfaca6f..6790edfaca6f 100644
--- a/arch/arm/plat-s3c/init.c
+++ b/arch/arm/plat-samsung/init.c
diff --git a/arch/arm/plat-samsung/irq-uart.c b/arch/arm/plat-samsung/irq-uart.c
new file mode 100644
index 000000000000..4f8c102674ae
--- /dev/null
+++ b/arch/arm/plat-samsung/irq-uart.c
@@ -0,0 +1,143 @@
+/* arch/arm/plat-samsung/irq-uart.c
+ *	originally part of arch/arm/plat-s3c64xx/irq.c
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * Samsung- UART Interrupt handling
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/serial_core.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <mach/map.h>
+#include <plat/irq-uart.h>
+#include <plat/regs-serial.h>
+#include <plat/cpu.h>
+
+/* Note, we make use of the fact that the parent IRQs, IRQ_UART[0..3]
+ * are consecutive when looking up the interrupt in the demux routines.
+ */
+
+static inline void __iomem *s3c_irq_uart_base(unsigned int irq)
+{
+	struct s3c_uart_irq *uirq = get_irq_chip_data(irq);
+	return uirq->regs;
+}
+
+static inline unsigned int s3c_irq_uart_bit(unsigned int irq)
+{
+	return irq & 3;
+}
+
+static void s3c_irq_uart_mask(unsigned int irq)
+{
+	void __iomem *regs = s3c_irq_uart_base(irq);
+	unsigned int bit = s3c_irq_uart_bit(irq);
+	u32 reg;
+
+	reg = __raw_readl(regs + S3C64XX_UINTM);
+	reg |= (1 << bit);
+	__raw_writel(reg, regs + S3C64XX_UINTM);
+}
+
+static void s3c_irq_uart_maskack(unsigned int irq)
+{
+	void __iomem *regs = s3c_irq_uart_base(irq);
+	unsigned int bit = s3c_irq_uart_bit(irq);
+	u32 reg;
+
+	reg = __raw_readl(regs + S3C64XX_UINTM);
+	reg |= (1 << bit);
+	__raw_writel(reg, regs + S3C64XX_UINTM);
+	__raw_writel(1 << bit, regs + S3C64XX_UINTP);
+}
+
+static void s3c_irq_uart_unmask(unsigned int irq)
+{
+	void __iomem *regs = s3c_irq_uart_base(irq);
+	unsigned int bit = s3c_irq_uart_bit(irq);
+	u32 reg;
+
+	reg = __raw_readl(regs + S3C64XX_UINTM);
+	reg &= ~(1 << bit);
+	__raw_writel(reg, regs + S3C64XX_UINTM);
+}
+
+static void s3c_irq_uart_ack(unsigned int irq)
+{
+	void __iomem *regs = s3c_irq_uart_base(irq);
+	unsigned int bit = s3c_irq_uart_bit(irq);
+
+	__raw_writel(1 << bit, regs + S3C64XX_UINTP);
+}
+
+static void s3c_irq_demux_uart(unsigned int irq, struct irq_desc *desc)
+{
+	struct s3c_uart_irq *uirq = desc->handler_data;
+	u32 pend = __raw_readl(uirq->regs + S3C64XX_UINTP);
+	int base = uirq->base_irq;
+
+	if (pend & (1 << 0))
+		generic_handle_irq(base);
+	if (pend & (1 << 1))
+		generic_handle_irq(base + 1);
+	if (pend & (1 << 2))
+		generic_handle_irq(base + 2);
+	if (pend & (1 << 3))
+		generic_handle_irq(base + 3);
+}
+
+static struct irq_chip s3c_irq_uart = {
+	.name		= "s3c-uart",
+	.mask		= s3c_irq_uart_mask,
+	.unmask		= s3c_irq_uart_unmask,
+	.mask_ack	= s3c_irq_uart_maskack,
+	.ack		= s3c_irq_uart_ack,
+};
+
+static void __init s3c_init_uart_irq(struct s3c_uart_irq *uirq)
+{
+	struct irq_desc *desc = irq_to_desc(uirq->parent_irq);
+	void __iomem *reg_base = uirq->regs;
+	unsigned int irq;
+	int offs;
+
+	/* mask all interrupts at the start. */
+	__raw_writel(0xf, reg_base + S3C64XX_UINTM);
+
+	for (offs = 0; offs < 3; offs++) {
+		irq = uirq->base_irq + offs;
+
+		set_irq_chip(irq, &s3c_irq_uart);
+		set_irq_chip_data(irq, uirq);
+		set_irq_handler(irq, handle_level_irq);
+		set_irq_flags(irq, IRQF_VALID);
+	}
+
+	desc->handler_data = uirq;
+	set_irq_chained_handler(uirq->parent_irq, s3c_irq_demux_uart);
+}
+
+/**
+ * s3c_init_uart_irqs() - initialise UART IRQs and the necessary demuxing
+ * @irq: The interrupt data for registering
+ * @nr_irqs: The number of interrupt descriptions in @irq.
+ *
+ * Register the UART interrupts specified by @irq including the demuxing
+ * routines. This supports the S3C6400 and newer style of devices.
+ */
+void __init s3c_init_uart_irqs(struct s3c_uart_irq *irq, unsigned int nr_irqs)
+{
+	for (; nr_irqs > 0; nr_irqs--, irq++)
+		s3c_init_uart_irq(irq);
+}
diff --git a/arch/arm/plat-samsung/irq-vic-timer.c b/arch/arm/plat-samsung/irq-vic-timer.c
new file mode 100644
index 000000000000..0270519fcabc
--- /dev/null
+++ b/arch/arm/plat-samsung/irq-vic-timer.c
@@ -0,0 +1,86 @@
+/* arch/arm/plat-samsung/irq-vic-timer.c
+ *	originally part of arch/arm/plat-s3c64xx/irq.c
+ *
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *      Ben Dooks <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * S3C64XX - Interrupt handling
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <mach/map.h>
+#include <plat/irq-vic-timer.h>
+#include <plat/regs-timer.h>
+
+static void s3c_irq_demux_vic_timer(unsigned int irq, struct irq_desc *desc)
+{
+	generic_handle_irq((int)desc->handler_data);
+}
+
+/* We assume the IRQ_TIMER0..IRQ_TIMER4 range is continuous. */
+
+static void s3c_irq_timer_mask(unsigned int irq)
+{
+	u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
+
+	reg &= 0x1f;  /* mask out pending interrupts */
+	reg &= ~(1 << (irq - IRQ_TIMER0));
+	__raw_writel(reg, S3C64XX_TINT_CSTAT);
+}
+
+static void s3c_irq_timer_unmask(unsigned int irq)
+{
+	u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
+
+	reg &= 0x1f;  /* mask out pending interrupts */
+	reg |= 1 << (irq - IRQ_TIMER0);
+	__raw_writel(reg, S3C64XX_TINT_CSTAT);
+}
+
+static void s3c_irq_timer_ack(unsigned int irq)
+{
+	u32 reg = __raw_readl(S3C64XX_TINT_CSTAT);
+
+	reg &= 0x1f;
+	reg |= (1 << 5) << (irq - IRQ_TIMER0);
+	__raw_writel(reg, S3C64XX_TINT_CSTAT);
+}
+
+static struct irq_chip s3c_irq_timer = {
+	.name		= "s3c-timer",
+	.mask		= s3c_irq_timer_mask,
+	.unmask		= s3c_irq_timer_unmask,
+	.ack		= s3c_irq_timer_ack,
+};
+
+/**
+ * s3c_init_vic_timer_irq() - initialise timer irq chanined off VIC.\
+ * @parent_irq: The parent IRQ on the VIC for the timer.
+ * @timer_irq: The IRQ to be used for the timer.
+ *
+ * Register the necessary IRQ chaining and support for the timer IRQs
+ * chained of the VIC.
+ */
+void __init s3c_init_vic_timer_irq(unsigned int parent_irq,
+				   unsigned int timer_irq)
+{
+	struct irq_desc *desc = irq_to_desc(parent_irq);
+
+	set_irq_chained_handler(parent_irq, s3c_irq_demux_vic_timer);
+
+	set_irq_chip(timer_irq, &s3c_irq_timer);
+	set_irq_handler(timer_irq, handle_level_irq);
+	set_irq_flags(timer_irq, IRQF_VALID);
+
+	desc->handler_data = (void *)timer_irq;
+}
diff --git a/arch/arm/plat-s3c/pm-check.c b/arch/arm/plat-samsung/pm-check.c
index 8eb1f439861c..0b5bb774192a 100644
--- a/arch/arm/plat-s3c/pm-check.c
+++ b/arch/arm/plat-samsung/pm-check.c
@@ -20,8 +20,8 @@
 
 #include <plat/pm.h>
 
-#if CONFIG_S3C2410_PM_CHECK_CHUNKSIZE < 1
-#error CONFIG_S3C2410_PM_CHECK_CHUNKSIZE must be a positive non-zero value
+#if CONFIG_SAMSUNG_PM_CHECK_CHUNKSIZE < 1
+#error CONFIG_SAMSUNG_PM_CHECK_CHUNKSIZE must be a positive non-zero value
 #endif
 
 /* suspend checking code...
@@ -29,12 +29,12 @@
  * this next area does a set of crc checks over all the installed
  * memory, so the system can verify if the resume was ok.
  *
- * CONFIG_S3C2410_PM_CHECK_CHUNKSIZE defines the block-size for the CRC,
+ * CONFIG_SAMSUNG_PM_CHECK_CHUNKSIZE defines the block-size for the CRC,
  * increasing it will mean that the area corrupted will be less easy to spot,
  * and reducing the size will cause the CRC save area to grow
 */
 
-#define CHECK_CHUNKSIZE (CONFIG_S3C2410_PM_CHECK_CHUNKSIZE * 1024)
+#define CHECK_CHUNKSIZE (CONFIG_SAMSUNG_PM_CHECK_CHUNKSIZE * 1024)
 
 static u32 crc_size;	/* size needed for the crc block */
 static u32 *crcs;	/* allocated over suspend/resume */
diff --git a/arch/arm/plat-s3c/pm-gpio.c b/arch/arm/plat-samsung/pm-gpio.c
index cfd326a8b693..69a4c7f02e25 100644
--- a/arch/arm/plat-s3c/pm-gpio.c
+++ b/arch/arm/plat-samsung/pm-gpio.c
@@ -19,7 +19,7 @@
 #include <linux/io.h>
 #include <linux/gpio.h>
 
-#include <mach/gpio-core.h>
+#include <plat/gpio-core.h>
 #include <plat/pm.h>
 
 /* PM GPIO helpers */
diff --git a/arch/arm/plat-s3c/pm.c b/arch/arm/plat-samsung/pm.c
index 767470601e5c..27cfca597699 100644
--- a/arch/arm/plat-s3c/pm.c
+++ b/arch/arm/plat-samsung/pm.c
@@ -29,7 +29,7 @@
 #include <asm/irq.h>
 
 #include <plat/pm.h>
-#include <plat/pm-core.h>
+#include <mach/pm-core.h>
 
 /* for external use */
 
@@ -41,7 +41,7 @@ unsigned long s3c_pm_flags;
  * resume before the console layer is available.
 */
 
-#ifdef CONFIG_S3C2410_PM_DEBUG
+#ifdef CONFIG_SAMSUNG_PM_DEBUG
 extern void printascii(const char *);
 
 void s3c_pm_dbg(const char *fmt, ...)
@@ -65,13 +65,13 @@ static inline void s3c_pm_debug_init(void)
 #else
 #define s3c_pm_debug_init() do { } while(0)
 
-#endif /* CONFIG_S3C2410_PM_DEBUG */
+#endif /* CONFIG_SAMSUNG_PM_DEBUG */
 
 /* Save the UART configurations if we are configured for debug. */
 
 unsigned char pm_uart_udivslot;
 
-#ifdef CONFIG_S3C2410_PM_DEBUG
+#ifdef CONFIG_SAMSUNG_PM_DEBUG
 
 struct pm_uart_save uart_save[CONFIG_SERIAL_SAMSUNG_UARTS];
 
diff --git a/arch/arm/plat-s3c/pwm-clock.c b/arch/arm/plat-samsung/pwm-clock.c
index a318215ab535..46c9381e083b 100644
--- a/arch/arm/plat-s3c/pwm-clock.c
+++ b/arch/arm/plat-samsung/pwm-clock.c
@@ -130,20 +130,22 @@ static int clk_pwm_scaler_set_rate(struct clk *clk, unsigned long rate)
 	return 0;
 }
 
+static struct clk_ops clk_pwm_scaler_ops = {
+	.get_rate	= clk_pwm_scaler_get_rate,
+	.set_rate	= clk_pwm_scaler_set_rate,
+	.round_rate	= clk_pwm_scaler_round_rate,
+};
+
 static struct clk clk_timer_scaler[] = {
 	[0]	= {
 		.name		= "pwm-scaler0",
 		.id		= -1,
-		.get_rate	= clk_pwm_scaler_get_rate,
-		.set_rate	= clk_pwm_scaler_set_rate,
-		.round_rate	= clk_pwm_scaler_round_rate,
+		.ops		= &clk_pwm_scaler_ops,
 	},
 	[1]	= {
 		.name		= "pwm-scaler1",
 		.id		= -1,
-		.get_rate	= clk_pwm_scaler_get_rate,
-		.set_rate	= clk_pwm_scaler_set_rate,
-		.round_rate	= clk_pwm_scaler_round_rate,
+		.ops		= &clk_pwm_scaler_ops,
 	},
 };
 
@@ -256,50 +258,46 @@ static int clk_pwm_tdiv_set_rate(struct clk *clk, unsigned long rate)
 	return 0;
 }
 
+static struct clk_ops clk_tdiv_ops = {
+	.get_rate	= clk_pwm_tdiv_get_rate,
+	.set_rate	= clk_pwm_tdiv_set_rate,
+	.round_rate	= clk_pwm_tdiv_round_rate,
+};
+
 static struct pwm_tdiv_clk clk_timer_tdiv[] = {
 	[0]	= {
 		.clk	= {
-			.name		= "pwm-tdiv",
-			.parent		= &clk_timer_scaler[0],
-			.get_rate	= clk_pwm_tdiv_get_rate,
-			.set_rate	= clk_pwm_tdiv_set_rate,
-			.round_rate	= clk_pwm_tdiv_round_rate,
+			.name	= "pwm-tdiv",
+			.ops	= &clk_tdiv_ops,
+			.parent	= &clk_timer_scaler[0],
 		},
 	},
 	[1]	= {
 		.clk	= {
-			.name		= "pwm-tdiv",
-			.parent		= &clk_timer_scaler[0],
-			.get_rate	= clk_pwm_tdiv_get_rate,
-			.set_rate	= clk_pwm_tdiv_set_rate,
-			.round_rate	= clk_pwm_tdiv_round_rate,
+			.name	= "pwm-tdiv",
+			.ops	= &clk_tdiv_ops,
+			.parent	= &clk_timer_scaler[0],
 		}
 	},
 	[2]	= {
 		.clk	= {
-			.name		= "pwm-tdiv",
-			.parent		= &clk_timer_scaler[1],
-			.get_rate	= clk_pwm_tdiv_get_rate,
-			.set_rate	= clk_pwm_tdiv_set_rate,
-			.round_rate	= clk_pwm_tdiv_round_rate,
+			.name	= "pwm-tdiv",
+			.ops	= &clk_tdiv_ops,
+			.parent	= &clk_timer_scaler[1],
 		},
 	},
 	[3]	= {
 		.clk	= {
-			.name		= "pwm-tdiv",
-			.parent		= &clk_timer_scaler[1],
-			.get_rate	= clk_pwm_tdiv_get_rate,
-			.set_rate	= clk_pwm_tdiv_set_rate,
-			.round_rate	= clk_pwm_tdiv_round_rate,
+			.name	= "pwm-tdiv",
+			.ops	= &clk_tdiv_ops,
+			.parent	= &clk_timer_scaler[1],
 		},
 	},
 	[4]	= {
 		.clk	= {
-			.name		= "pwm-tdiv",
-			.parent		= &clk_timer_scaler[1],
-			.get_rate	= clk_pwm_tdiv_get_rate,
-			.set_rate	= clk_pwm_tdiv_set_rate,
-			.round_rate	= clk_pwm_tdiv_round_rate,
+			.name	= "pwm-tdiv",
+			.ops	= &clk_tdiv_ops,
+			.parent	= &clk_timer_scaler[1],
 		},
 	},
 };
@@ -356,31 +354,35 @@ static int clk_pwm_tin_set_parent(struct clk *clk, struct clk *parent)
 	return 0;
 }
 
+static struct clk_ops clk_tin_ops = {
+	.set_parent	= clk_pwm_tin_set_parent,
+};
+
 static struct clk clk_tin[] = {
 	[0]	= {
-		.name		= "pwm-tin",
-		.id		= 0,
-		.set_parent	= clk_pwm_tin_set_parent,
+		.name	= "pwm-tin",
+		.id	= 0,
+		.ops	= &clk_tin_ops,
 	},
 	[1]	= {
-		.name		= "pwm-tin",
-		.id		= 1,
-		.set_parent	= clk_pwm_tin_set_parent,
+		.name	= "pwm-tin",
+		.id	= 1,
+		.ops	= &clk_tin_ops,
 	},
 	[2]	= {
-		.name		= "pwm-tin",
-		.id		= 2,
-		.set_parent	= clk_pwm_tin_set_parent,
+		.name	= "pwm-tin",
+		.id	= 2,
+		.ops	= &clk_tin_ops,
 	},
 	[3]	= {
-		.name		= "pwm-tin",
-		.id		= 3,
-		.set_parent	= clk_pwm_tin_set_parent,
+		.name	= "pwm-tin",
+		.id	= 3,
+		.ops	= &clk_tin_ops,
 	},
 	[4]	= {
-		.name		= "pwm-tin",
-		.id		= 4,
-		.set_parent	= clk_pwm_tin_set_parent,
+		.name	= "pwm-tin",
+		.id	= 4,
+		.ops	= &clk_tin_ops,
 	},
 };
 
@@ -428,25 +430,15 @@ __init void s3c_pwmclk_init(void)
 		return;
 	}
 
-	for (clk = 0; clk < ARRAY_SIZE(clk_timer_scaler); clk++) {
+	for (clk = 0; clk < ARRAY_SIZE(clk_timer_scaler); clk++)
 		clk_timer_scaler[clk].parent = clk_timers;
-		ret = s3c24xx_register_clock(&clk_timer_scaler[clk]);
-		if (ret < 0) {
-			printk(KERN_ERR "error adding pwm scaler%d clock\n", clk);
-			return;
-		}
-	}
 
-	for (clk = 0; clk < ARRAY_SIZE(clk_timer_tclk); clk++) {
-		ret = s3c24xx_register_clock(&clk_timer_tclk[clk]);
-		if (ret < 0) {
-			printk(KERN_ERR "error adding pww tclk%d\n", clk);
-			return;
-		}
-	}
+	s3c_register_clocks(clk_timer_scaler, ARRAY_SIZE(clk_timer_scaler));
+	s3c_register_clocks(clk_timer_tclk, ARRAY_SIZE(clk_timer_tclk));
 
 	for (clk = 0; clk < ARRAY_SIZE(clk_timer_tdiv); clk++) {
 		ret = clk_pwm_tdiv_register(clk);
+
 		if (ret < 0) {
 			printk(KERN_ERR "error adding pwm%d tdiv clock\n", clk);
 			return;
diff --git a/arch/arm/plat-s3c/pwm.c b/arch/arm/plat-samsung/pwm.c
index ef019f27b67d..f2d11390d01c 100644
--- a/arch/arm/plat-s3c/pwm.c
+++ b/arch/arm/plat-samsung/pwm.c
@@ -379,6 +379,39 @@ static int __devexit s3c_pwm_remove(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_PM
+static int s3c_pwm_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct pwm_device *pwm = platform_get_drvdata(pdev);
+
+	/* No one preserve these values during suspend so reset them
+	 * Otherwise driver leaves PWM unconfigured if same values
+	 * passed to pwm_config
+	 */
+	pwm->period_ns = 0;
+	pwm->duty_ns = 0;
+
+	return 0;
+}
+
+static int s3c_pwm_resume(struct platform_device *pdev)
+{
+	struct pwm_device *pwm = platform_get_drvdata(pdev);
+	unsigned long tcon;
+
+	/* Restore invertion */
+	tcon = __raw_readl(S3C2410_TCON);
+	tcon |= pwm_tcon_invert(pwm);
+	__raw_writel(tcon, S3C2410_TCON);
+
+	return 0;
+}
+
+#else
+#define s3c_pwm_suspend NULL
+#define s3c_pwm_resume NULL
+#endif
+
 static struct platform_driver s3c_pwm_driver = {
 	.driver		= {
 		.name	= "s3c24xx-pwm",
@@ -386,6 +419,8 @@ static struct platform_driver s3c_pwm_driver = {
 	},
 	.probe		= s3c_pwm_probe,
 	.remove		= __devexit_p(s3c_pwm_remove),
+	.suspend	= s3c_pwm_suspend,
+	.resume		= s3c_pwm_resume,
 };
 
 static int __init pwm_init(void)
diff --git a/arch/arm/plat-s3c/time.c b/arch/arm/plat-samsung/time.c
index 3b27b29da478..2231d80ad817 100644
--- a/arch/arm/plat-s3c/time.c
+++ b/arch/arm/plat-samsung/time.c
@@ -1,4 +1,4 @@
-/* linux/arch/arm/plat-s3c24xx/time.c
+/* linux/arch/arm/plat-samsung/time.c
  *
  * Copyright (C) 2003-2005 Simtec Electronics
  *	Ben Dooks, <ben@simtec.co.uk>
diff --git a/arch/arm/tools/mach-types b/arch/arm/tools/mach-types
index 31c2f4c30a95..1536f1784cac 100644
--- a/arch/arm/tools/mach-types
+++ b/arch/arm/tools/mach-types
@@ -12,7 +12,7 @@
 #
 #   http://www.arm.linux.org.uk/developer/machines/?action=new
 #
-# Last update: Sat Feb 20 14:16:15 2010
+# Last update: Sat Mar 20 15:35:41 2010
 #
 # machine_is_xxx	CONFIG_xxxx		MACH_TYPE_xxx		number
 #
@@ -2663,7 +2663,7 @@ reb01			MACH_REB01		REB01			2675
 aquila			MACH_AQUILA		AQUILA			2676
 spark_sls_hw2		MACH_SPARK_SLS_HW2	SPARK_SLS_HW2		2677
 sheeva_esata		MACH_ESATA_SHEEVAPLUG	ESATA_SHEEVAPLUG	2678
-surf7x30		MACH_SURF7X30		SURF7X30		2679
+msm7x30_surf		MACH_MSM7X30_SURF	MSM7X30_SURF		2679
 micro2440		MACH_MICRO2440		MICRO2440		2680
 am2440			MACH_AM2440		AM2440			2681
 tq2440			MACH_TQ2440		TQ2440			2682
@@ -2678,3 +2678,74 @@ vc088x			MACH_VC088X		VC088X			2690
 mioa702			MACH_MIOA702		MIOA702			2691
 hpmin			MACH_HPMIN		HPMIN			2692
 ak880xak		MACH_AK880XAK		AK880XAK		2693
+arm926tomap850		MACH_ARM926TOMAP850	ARM926TOMAP850		2694
+lkevm			MACH_LKEVM		LKEVM			2695
+mw6410			MACH_MW6410		MW6410			2696
+terastation_wxl		MACH_TERASTATION_WXL	TERASTATION_WXL		2697
+cpu8000e		MACH_CPU8000E		CPU8000E		2698
+catania			MACH_CATANIA		CATANIA			2699
+tokyo			MACH_TOKYO		TOKYO			2700
+msm7201a_surf		MACH_MSM7201A_SURF	MSM7201A_SURF		2701
+msm7201a_ffa		MACH_MSM7201A_FFA	MSM7201A_FFA		2702
+msm7x25_surf		MACH_MSM7X25_SURF	MSM7X25_SURF		2703
+msm7x25_ffa		MACH_MSM7X25_FFA	MSM7X25_FFA		2704
+msm7x27_surf		MACH_MSM7X27_SURF	MSM7X27_SURF		2705
+msm7x27_ffa		MACH_MSM7X27_FFA	MSM7X27_FFA		2706
+msm7x30_ffa		MACH_MSM7X30_FFA	MSM7X30_FFA		2707
+qsd8x50_surf		MACH_QSD8X50_SURF	QSD8X50_SURF		2708
+qsd8x50_comet		MACH_QSD8X50_COMET	QSD8X50_COMET		2709
+qsd8x50_ffa		MACH_QSD8X50_FFA	QSD8X50_FFA		2710
+qsd8x50a_surf		MACH_QSD8X50A_SURF	QSD8X50A_SURF		2711
+qsd8x50a_ffa		MACH_QSD8X50A_FFA	QSD8X50A_FFA		2712
+adx_xgcp10		MACH_ADX_XGCP10		ADX_XGCP10		2713
+mcgwumts2a		MACH_MCGWUMTS2A		MCGWUMTS2A		2714
+mobikt			MACH_MOBIKT		MOBIKT			2715
+mx53_evk		MACH_MX53_EVK		MX53_EVK		2716
+igep0030		MACH_IGEP0030		IGEP0030		2717
+axell_h40_h50_ctrl	MACH_AXELL_H40_H50_CTRL	AXELL_H40_H50_CTRL	2718
+dtcommod		MACH_DTCOMMOD		DTCOMMOD		2719
+gould			MACH_GOULD		GOULD			2720
+siberia			MACH_SIBERIA		SIBERIA			2721
+sbc3530			MACH_SBC3530		SBC3530			2722
+qarm			MACH_QARM		QARM			2723
+mips			MACH_MIPS		MIPS			2724
+mx27grb			MACH_MX27GRB		MX27GRB			2725
+sbc8100			MACH_SBC8100		SBC8100			2726
+saarb			MACH_SAARB		SAARB			2727
+omap3mini		MACH_OMAP3MINI		OMAP3MINI		2728
+cnmbook7se		MACH_CNMBOOK7SE		CNMBOOK7SE		2729
+catan			MACH_CATAN		CATAN			2730
+harmony			MACH_HARMONY		HARMONY			2731
+tonga			MACH_TONGA		TONGA			2732
+cybook_orizon		MACH_CYBOOK_ORIZON	CYBOOK_ORIZON		2733
+htcrhodiumcdma		MACH_HTCRHODIUMCDMA	HTCRHODIUMCDMA		2734
+epc_g45			MACH_EPC_G45		EPC_G45			2735
+epc_lpc3250		MACH_EPC_LPC3250	EPC_LPC3250		2736
+mxc91341evb		MACH_MXC91341EVB	MXC91341EVB		2737
+rtw1000			MACH_RTW1000		RTW1000			2738
+bobcat			MACH_BOBCAT		BOBCAT			2739
+trizeps6		MACH_TRIZEPS6		TRIZEPS6		2740
+msm7x30_fluid		MACH_MSM7X30_FLUID	MSM7X30_FLUID		2741
+nedap9263		MACH_NEDAP9263		NEDAP9263		2742
+netgear_ms2110		MACH_NETGEAR_MS2110	NETGEAR_MS2110		2743
+bmx			MACH_BMX		BMX			2744
+netstream		MACH_NETSTREAM		NETSTREAM		2745
+vpnext_rcu		MACH_VPNEXT_RCU		VPNEXT_RCU		2746
+vpnext_mpu		MACH_VPNEXT_MPU		VPNEXT_MPU		2747
+bcmring_tablet_v1	MACH_BCMRING_TABLET_V1	BCMRING_TABLET_V1	2748
+sgarm10			MACH_SGARM10		SGARM10			2749
+cm_t3517		MACH_CM_T3517		CM_T3517		2750
+omap3_cps		MACH_OMAP3_CPS		OMAP3_CPS		2751
+axar1500_receiver	MACH_AXAR1500_RECEIVER	AXAR1500_RECEIVER	2752
+wbd222			MACH_WBD222		WBD222			2753
+mt65xx			MACH_MT65XX		MT65XX			2754
+msm8x60_surf		MACH_MSM8X60_SURF	MSM8X60_SURF		2755
+msm8x60_sim		MACH_MSM8X60_SIM	MSM8X60_SIM		2756
+vmc300			MACH_VMC300		VMC300			2757
+tcc8000_sdk		MACH_TCC8000_SDK	TCC8000_SDK		2758
+nanos			MACH_NANOS		NANOS			2759
+stamp9g10		MACH_STAMP9G10		STAMP9G10		2760
+stamp9g45		MACH_STAMP9G45		STAMP9G45		2761
+h6053			MACH_H6053		H6053			2762
+smint01			MACH_SMINT01		SMINT01			2763
+prtlvt2			MACH_PRTLVT2		PRTLVT2			2764
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 7f3f59fcaa21..a420cb949328 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -545,7 +545,7 @@ static int __init vfp_init(void)
 		 */
 		elf_hwcap |= HWCAP_VFP;
 #ifdef CONFIG_VFPv3
-		if (VFP_arch >= 3) {
+		if (VFP_arch >= 2) {
 			elf_hwcap |= HWCAP_VFPv3;
 
 			/*
diff --git a/arch/avr32/include/asm/ptrace.h b/arch/avr32/include/asm/ptrace.h
index 9e2d44f4e0fe..e53dd0d900f5 100644
--- a/arch/avr32/include/asm/ptrace.h
+++ b/arch/avr32/include/asm/ptrace.h
@@ -124,6 +124,8 @@ struct pt_regs {
 
 #include <asm/ocd.h>
 
+#define arch_has_single_step()		(1)
+
 #define arch_ptrace_attach(child)       ocd_enable(child)
 
 #define user_mode(regs)                 (((regs)->sr & MODE_MASK) == MODE_USER)
diff --git a/arch/avr32/kernel/ptrace.c b/arch/avr32/kernel/ptrace.c
index 1fed38fcf594..dd5b882aab40 100644
--- a/arch/avr32/kernel/ptrace.c
+++ b/arch/avr32/kernel/ptrace.c
@@ -28,9 +28,9 @@ static struct pt_regs *get_user_regs(struct task_struct *tsk)
 				  THREAD_SIZE - sizeof(struct pt_regs));
 }
 
-static void ptrace_single_step(struct task_struct *tsk)
+static void user_enable_single_step(struct task_struct *tsk)
 {
-	pr_debug("ptrace_single_step: pid=%u, PC=0x%08lx, SR=0x%08lx\n",
+	pr_debug("user_enable_single_step: pid=%u, PC=0x%08lx, SR=0x%08lx\n",
 		 tsk->pid, task_pt_regs(tsk)->pc, task_pt_regs(tsk)->sr);
 
 	/*
@@ -49,6 +49,11 @@ static void ptrace_single_step(struct task_struct *tsk)
 	set_tsk_thread_flag(tsk, TIF_SINGLE_STEP);
 }
 
+void user_disable_single_step(struct task_struct *child)
+{
+	/* XXX(hch): a no-op here seems wrong.. */
+}
+
 /*
  * Called by kernel/ptrace.c when detaching
  *
@@ -167,50 +172,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		ret = ptrace_write_user(child, addr, data);
 		break;
 
-	/* continue and stop at next (return from) syscall */
-	case PTRACE_SYSCALL:
-	/* restart after signal */
-	case PTRACE_CONT:
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		if (request == PTRACE_SYSCALL)
-			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		else
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		child->exit_code = data;
-		/* XXX: Are we sure no breakpoints are active here? */
-		wake_up_process(child);
-		ret = 0;
-		break;
-
-	/*
-	 * Make the child exit. Best I can do is send it a
-	 * SIGKILL. Perhaps it should be put in the status that it
-	 * wants to exit.
-	 */
-	case PTRACE_KILL:
-		ret = 0;
-		if (child->exit_state == EXIT_ZOMBIE)
-			break;
-		child->exit_code = SIGKILL;
-		wake_up_process(child);
-		break;
-
-	/*
-	 * execute single instruction.
-	 */
-	case PTRACE_SINGLESTEP:
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		ptrace_single_step(child);
-		child->exit_code = data;
-		wake_up_process(child);
-		ret = 0;
-		break;
-
 	case PTRACE_GETREGS:
 		ret = ptrace_getregs(child, (void __user *)data);
 		break;
diff --git a/arch/avr32/mach-at32ap/at32ap700x.c b/arch/avr32/mach-at32ap/at32ap700x.c
index b13d1879e51b..3a4bc1a18433 100644
--- a/arch/avr32/mach-at32ap/at32ap700x.c
+++ b/arch/avr32/mach-at32ap/at32ap700x.c
@@ -1770,10 +1770,13 @@ at32_add_device_usba(unsigned int id, struct usba_platform_data *data)
 					  ARRAY_SIZE(usba0_resource)))
 		goto out_free_pdev;
 
-	if (data)
+	if (data) {
 		usba_data.pdata.vbus_pin = data->vbus_pin;
-	else
+		usba_data.pdata.vbus_pin_inverted = data->vbus_pin_inverted;
+	} else {
 		usba_data.pdata.vbus_pin = -EINVAL;
+		usba_data.pdata.vbus_pin_inverted = -EINVAL;
+	}
 
 	data = &usba_data.pdata;
 	data->num_ep = ARRAY_SIZE(at32_usba_ep);
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 53c1e1d45c68..c078849df7f9 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -23,12 +23,15 @@ config RWSEM_XCHGADD_ALGORITHM
 
 config BLACKFIN
 	def_bool y
+	select HAVE_ARCH_KGDB
+	select HAVE_ARCH_TRACEHOOK
 	select HAVE_FUNCTION_GRAPH_TRACER
 	select HAVE_FUNCTION_TRACER
+	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
 	select HAVE_IDE
-	select HAVE_KERNEL_GZIP
-	select HAVE_KERNEL_BZIP2
-	select HAVE_KERNEL_LZMA
+	select HAVE_KERNEL_GZIP if RAMKERNEL
+	select HAVE_KERNEL_BZIP2 if RAMKERNEL
+	select HAVE_KERNEL_LZMA if RAMKERNEL
 	select HAVE_OPROFILE
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 
@@ -45,9 +48,6 @@ config ZONE_DMA
 config GENERIC_FIND_NEXT_BIT
 	def_bool y
 
-config GENERIC_HWEIGHT
-	def_bool y
-
 config GENERIC_HARDIRQS
 	def_bool y
 
@@ -239,7 +239,7 @@ endchoice
 
 config SMP
 	depends on BF561
-	select GENERIC_CLOCKEVENTS
+	select TICKSOURCE_CORETMR
 	bool "Symmetric multi-processing support"
 	---help---
 	  This enables support for systems with more than one CPU,
@@ -253,11 +253,20 @@ config NR_CPUS
 	depends on SMP
 	default 2 if BF561
 
+config HOTPLUG_CPU
+	bool "Support for hot-pluggable CPUs"
+	depends on SMP && HOTPLUG
+	default y
+
 config IRQ_PER_CPU
 	bool
 	depends on SMP
 	default y
 
+config HAVE_LEGACY_PER_CPU_AREA
+	def_bool y
+	depends on SMP
+
 config BF_REV_MIN
 	int
 	default 0 if (BF51x || BF52x || (BF54x && !BF54xM))
@@ -349,7 +358,7 @@ config MEM_MT48LC8M32B2B5_7
 
 config MEM_MT48LC32M16A2TG_75
 	bool
-	depends on (BFIN527_EZKIT || BFIN532_IP0X || BLACKSTAMP)
+	depends on (BFIN527_EZKIT || BFIN527_EZKIT_V2 || BFIN532_IP0X || BLACKSTAMP)
 	default y
 
 config MEM_MT48LC32M8A2_75
@@ -401,10 +410,18 @@ config BOOT_LOAD
 config ROM_BASE
 	hex "Kernel ROM Base"
 	depends on ROMKERNEL
-	default "0x20040000"
+	default "0x20040040"
 	range 0x20000000 0x20400000 if !(BF54x || BF561)
 	range 0x20000000 0x30000000 if (BF54x || BF561)
 	help
+	  Make sure your ROM base does not include any file-header
+	  information that is prepended to the kernel.
+
+	  For example, the bootable U-Boot format (created with
+	  mkimage) has a 64 byte header (0x40).  So while the image
+	  you write to flash might start at say 0x20080000, you have
+	  to add 0x40 to get the kernel's ROM base as it will come
+	  after the header.
 
 comment "Clock/PLL Setup"
 
@@ -448,7 +465,7 @@ config VCO_MULT
 	range 1 64
 	default "22" if BFIN533_EZKIT
 	default "45" if BFIN533_STAMP
-	default "20" if (BFIN537_STAMP || BFIN527_EZKIT || BFIN548_EZKIT || BFIN548_BLUETECHNIX_CM || BFIN538_EZKIT)
+	default "20" if (BFIN537_STAMP || BFIN527_EZKIT || BFIN527_EZKIT_V2 || BFIN548_EZKIT || BFIN548_BLUETECHNIX_CM || BFIN538_EZKIT)
 	default "22" if BFIN533_BLUETECHNIX_CM
 	default "20" if (BFIN537_BLUETECHNIX_CM_E || BFIN537_BLUETECHNIX_CM_U || BFIN527_BLUETECHNIX_CM || BFIN561_BLUETECHNIX_CM)
 	default "20" if BFIN561_EZKIT
@@ -609,23 +626,23 @@ config GENERIC_CLOCKEVENTS
 	bool "Generic clock events"
 	default y
 
-choice
-	prompt "Kernel Tick Source"
+menu "Clock event device"
 	depends on GENERIC_CLOCKEVENTS
-	default TICKSOURCE_CORETMR
-
 config TICKSOURCE_GPTMR0
-	bool "Gptimer0 (SCLK domain)"
+	bool "GPTimer0"
+	depends on !SMP
 	select BFIN_GPTIMERS
 
 config TICKSOURCE_CORETMR
-	bool "Core timer (CCLK domain)"
-
-endchoice
+	bool "Core timer"
+	default y
+endmenu
 
-config CYCLES_CLOCKSOURCE
-	bool "Use 'CYCLES' as a clocksource"
+menu "Clock souce"
 	depends on GENERIC_CLOCKEVENTS
+config CYCLES_CLOCKSOURCE
+	bool "CYCLES"
+	default y
 	depends on !BFIN_SCRATCH_REG_CYCLES
 	depends on !SMP
 	help
@@ -636,10 +653,10 @@ config CYCLES_CLOCKSOURCE
 	  writing the registers will most likely crash the kernel.
 
 config GPTMR0_CLOCKSOURCE
-	bool "Use GPTimer0 as a clocksource"
+	bool "GPTimer0"
 	select BFIN_GPTIMERS
-	depends on GENERIC_CLOCKEVENTS
 	depends on !TICKSOURCE_GPTMR0
+endmenu
 
 config ARCH_USES_GETTIMEOFFSET
 	depends on !GENERIC_CLOCKEVENTS
@@ -1116,24 +1133,6 @@ config PCI
 
 source "drivers/pci/Kconfig"
 
-config HOTPLUG
-	bool "Support for hot-pluggable device"
-	  help
-	  Say Y here if you want to plug devices into your computer while
-	  the system is running, and be able to use them quickly.  In many
-	  cases, the devices can likewise be unplugged at any time too.
-
-	  One well known example of this is PCMCIA- or PC-cards, credit-card
-	  size devices such as network cards, modems or hard drives which are
-	  plugged into slots found on all modern laptop computers.  Another
-	  example, used on modern desktops as well as laptops, is USB.
-
-	  Enable HOTPLUG and build a modular kernel.  Get agent software
-	  (from <http://linux-hotplug.sourceforge.net/>) and install it.
-	  Then your kernel will automatically call out to a user mode "policy
-	  agent" (/sbin/hotplug) to load modules and set up software needed
-	  to use devices as you hotplug them.
-
 source "drivers/pcmcia/Kconfig"
 
 source "drivers/pci/hotplug/Kconfig"
@@ -1147,7 +1146,6 @@ source "fs/Kconfig.binfmt"
 endmenu
 
 menu "Power management options"
-	depends on !SMP
 
 source "kernel/power/Kconfig"
 
@@ -1240,7 +1238,6 @@ config PM_BFIN_WAKE_GP
 endmenu
 
 menu "CPU Frequency scaling"
-	depends on !SMP
 
 source "drivers/cpufreq/Kconfig"
 
diff --git a/arch/blackfin/Kconfig.debug b/arch/blackfin/Kconfig.debug
index 87f195ee2e06..aec89a5280b2 100644
--- a/arch/blackfin/Kconfig.debug
+++ b/arch/blackfin/Kconfig.debug
@@ -18,9 +18,6 @@ config DEBUG_STACK_USAGE
 
 	  This option will slow down process creation somewhat.
 
-config HAVE_ARCH_KGDB
-	def_bool y
-
 config DEBUG_VERBOSE
 	bool "Verbose fault messages"
 	default y
@@ -238,6 +235,15 @@ config EARLY_PRINTK
 	  all of this lives in the init section and is thrown away after the
 	  kernel boots completely.
 
+config NMI_WATCHDOG
+	bool "Enable NMI watchdog to help debugging lockup on SMP"
+	default n
+	depends on (SMP && !BFIN_SCRATCH_REG_RETN)
+	help
+	  If any CPU in the system does not execute the period local timer
+	  interrupt for more than 5 seconds, then the NMI handler dumps debug
+	  information. This information can be used to debug the lockup.
+
 config CPLB_INFO
 	bool "Display the CPLB information"
 	help
diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
index d4c7177e7656..5a97a31d4bbd 100644
--- a/arch/blackfin/Makefile
+++ b/arch/blackfin/Makefile
@@ -14,6 +14,9 @@ OBJCOPYFLAGS     := -O binary -R .note -R .comment -S
 GZFLAGS          := -9
 
 KBUILD_CFLAGS           += $(call cc-option,-mno-fdpic)
+ifeq ($(CONFIG_ROMKERNEL),y)
+KBUILD_CFLAGS           += -mlong-calls
+endif
 KBUILD_AFLAGS           += $(call cc-option,-mno-fdpic)
 CFLAGS_MODULE    += -mlong-calls
 LDFLAGS_MODULE   += -m elf32bfin
@@ -130,7 +133,6 @@ KBUILD_CFLAGS += -Iarch/$(ARCH)/mach-$(MACHINE)/include
 KBUILD_CPPFLAGS	+= $(patsubst %,-I$(srctree)/%include,$(machdirs))
 
 CLEAN_FILES += \
-	arch/$(ARCH)/include/asm/asm-offsets.h \
 	arch/$(ARCH)/kernel/asm-offsets.s \
 
 archclean:
@@ -138,7 +140,7 @@ archclean:
 
 INSTALL_PATH ?= /tftpboot
 boot := arch/$(ARCH)/boot
-BOOT_TARGETS = vmImage vmImage.bin vmImage.bz2 vmImage.gz vmImage.lzma
+BOOT_TARGETS = vmImage vmImage.bin vmImage.bz2 vmImage.gz vmImage.lzma vmImage.xip
 PHONY += $(BOOT_TARGETS) install
 KBUILD_IMAGE := $(boot)/vmImage
 
@@ -156,6 +158,7 @@ define archhelp
   echo  '  vmImage.bz2     - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.bz2)'
   echo  '* vmImage.gz      - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.gz)'
   echo  '  vmImage.lzma    - Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.lzma)'
+  echo  '  vmImage.xip     - XIP Kernel-only image for U-Boot (arch/$(ARCH)/boot/vmImage.xip)'
   echo  '  install         - Install kernel using'
   echo  '                     (your) ~/bin/$(INSTALLKERNEL) or'
   echo  '                     (distribution) PATH: $(INSTALLKERNEL) or'
diff --git a/arch/blackfin/boot/Makefile b/arch/blackfin/boot/Makefile
index e9c48c6f8c1f..d1b3d6051fdf 100644
--- a/arch/blackfin/boot/Makefile
+++ b/arch/blackfin/boot/Makefile
@@ -8,14 +8,18 @@
 
 MKIMAGE := $(srctree)/scripts/mkuboot.sh
 
-targets := vmImage vmImage.bin vmImage.bz2 vmImage.gz vmImage.lzma
-extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma
+targets := vmImage vmImage.bin vmImage.bz2 vmImage.gz vmImage.lzma vmImage.xip
+extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma vmlinux.bin.xip
+
+UIMAGE_OPTS-y :=
+UIMAGE_OPTS-$(CONFIG_RAMKERNEL) += -a $(CONFIG_BOOT_LOAD)
+UIMAGE_OPTS-$(CONFIG_ROMKERNEL) += -a $(CONFIG_ROM_BASE) -x
 
 quiet_cmd_uimage = UIMAGE  $@
       cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A $(ARCH) -O linux -T kernel \
-                   -C $(2) -n '$(MACHINE)-$(KERNELRELEASE)' -a $(CONFIG_BOOT_LOAD) \
+                   -C $(2) -n '$(MACHINE)-$(KERNELRELEASE)' \
                    -e $(shell $(NM) vmlinux | awk '$$NF == "__start" {print $$1}') \
-                   -d $< $@
+                   $(UIMAGE_OPTS-y) -d $< $@
 
 $(obj)/vmlinux.bin: vmlinux FORCE
 	$(call if_changed,objcopy)
@@ -29,6 +33,12 @@ $(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
 $(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
 	$(call if_changed,lzma)
 
+# The mkimage tool wants 64bytes prepended to the image
+quiet_cmd_mk_bin_xip = BIN     $@
+      cmd_mk_bin_xip = ( printf '%64s' | tr ' ' '\377' ; cat $< ) > $@
+$(obj)/vmlinux.bin.xip: $(obj)/vmlinux.bin FORCE
+	$(call if_changed,mk_bin_xip)
+
 $(obj)/vmImage.bin: $(obj)/vmlinux.bin
 	$(call if_changed,uimage,none)
 
@@ -41,10 +51,15 @@ $(obj)/vmImage.gz: $(obj)/vmlinux.bin.gz
 $(obj)/vmImage.lzma: $(obj)/vmlinux.bin.lzma
 	$(call if_changed,uimage,lzma)
 
+$(obj)/vmImage.xip: $(obj)/vmlinux.bin.xip
+	$(call if_changed,uimage,none)
+
 suffix-y                      := bin
 suffix-$(CONFIG_KERNEL_GZIP)  := gz
 suffix-$(CONFIG_KERNEL_BZIP2) := bz2
 suffix-$(CONFIG_KERNEL_LZMA)  := lzma
+suffix-$(CONFIG_ROMKERNEL)    := xip
+
 $(obj)/vmImage: $(obj)/vmImage.$(suffix-y)
 	@ln -sf $(notdir $<) $@
 
diff --git a/arch/blackfin/configs/BF518F-EZBRD_defconfig b/arch/blackfin/configs/BF518F-EZBRD_defconfig
index e31559419817..cf7c9bc94f13 100644
--- a/arch/blackfin/configs/BF518F-EZBRD_defconfig
+++ b/arch/blackfin/configs/BF518F-EZBRD_defconfig
@@ -1,22 +1,27 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28.10
-# Thu May 21 05:50:01 2009
+# Linux kernel version: 2.6.32.2
 #
 # CONFIG_MMU is not set
 # CONFIG_FPU is not set
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
 CONFIG_BLACKFIN=y
+CONFIG_GENERIC_CSUM=y
+CONFIG_GENERIC_BUG=y
 CONFIG_ZONE_DMA=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
-CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_GPIO=y
 CONFIG_FORCE_MAX_ZONEORDER=14
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -26,22 +31,41 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_CGROUPS is not set
 # CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
 # CONFIG_SYSFS_DEPRECATED_V2 is not set
 # CONFIG_RELAY is not set
 # CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -62,6 +86,10 @@ CONFIG_EPOLL=y
 # CONFIG_TIMERFD is not set
 # CONFIG_EVENTFD is not set
 # CONFIG_AIO is not set
+
+#
+# Kernel Performance Events And Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
@@ -69,11 +97,15 @@ CONFIG_SLAB=y
 # CONFIG_SLOB is not set
 CONFIG_MMAP_ALLOW_UNINITIALIZED=y
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
-CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 # CONFIG_MODULE_FORCE_LOAD is not set
@@ -81,11 +113,8 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_KMOD=y
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_LSF is not set
+# CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -101,7 +130,6 @@ CONFIG_IOSCHED_NOOP=y
 # CONFIG_DEFAULT_CFQ is not set
 CONFIG_DEFAULT_NOOP=y
 CONFIG_DEFAULT_IOSCHED="noop"
-CONFIG_CLASSIC_RCU=y
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
@@ -132,15 +160,15 @@ CONFIG_BF518=y
 # CONFIG_BF537 is not set
 # CONFIG_BF538 is not set
 # CONFIG_BF539 is not set
-# CONFIG_BF542 is not set
+# CONFIG_BF542_std is not set
 # CONFIG_BF542M is not set
-# CONFIG_BF544 is not set
+# CONFIG_BF544_std is not set
 # CONFIG_BF544M is not set
-# CONFIG_BF547 is not set
+# CONFIG_BF547_std is not set
 # CONFIG_BF547M is not set
-# CONFIG_BF548 is not set
+# CONFIG_BF548_std is not set
 # CONFIG_BF548M is not set
-# CONFIG_BF549 is not set
+# CONFIG_BF549_std is not set
 # CONFIG_BF549M is not set
 # CONFIG_BF561 is not set
 CONFIG_BF_REV_MIN=0
@@ -154,8 +182,8 @@ CONFIG_BF_REV_0_0=y
 # CONFIG_BF_REV_0_6 is not set
 # CONFIG_BF_REV_ANY is not set
 # CONFIG_BF_REV_NONE is not set
-CONFIG_BF51x=y
 CONFIG_MEM_MT48LC32M8A2_75=y
+CONFIG_BF51x=y
 CONFIG_BFIN518F_EZBRD=y
 
 #
@@ -313,7 +341,6 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_RESOURCES_64BIT is not set
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
@@ -322,16 +349,18 @@ CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set
 CONFIG_DMA_UNCACHED_1M=y
+# CONFIG_DMA_UNCACHED_512K is not set
+# CONFIG_DMA_UNCACHED_256K is not set
+# CONFIG_DMA_UNCACHED_128K is not set
 # CONFIG_DMA_UNCACHED_NONE is not set
 
 #
 # Cache Support
 #
 CONFIG_BFIN_ICACHE=y
-# CONFIG_BFIN_ICACHE_LOCK is not set
+CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_DCACHE=y
 # CONFIG_BFIN_DCACHE_BANKA is not set
-CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_EXTMEM_DCACHEABLE=y
 CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_BFIN_EXTMEM_WRITETHROUGH is not set
@@ -342,7 +371,7 @@ CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_MPU is not set
 
 #
-# Asynchonous Memory Configuration
+# Asynchronous Memory Configuration
 #
 
 #
@@ -398,11 +427,6 @@ CONFIG_NET=y
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
-CONFIG_XFRM=y
-# CONFIG_XFRM_USER is not set
-# CONFIG_XFRM_SUB_POLICY is not set
-# CONFIG_XFRM_MIGRATE is not set
-# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -426,7 +450,6 @@ CONFIG_IP_PNP=y
 # CONFIG_INET_XFRM_MODE_BEET is not set
 # CONFIG_INET_LRO is not set
 # CONFIG_INET_DIAG is not set
-CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
@@ -437,6 +460,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -450,7 +474,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
 
 #
 # Network testing
@@ -461,13 +488,8 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-# CONFIG_PHONET is not set
-CONFIG_WIRELESS=y
-# CONFIG_CFG80211 is not set
-CONFIG_WIRELESS_OLD_REGULATORY=y
-# CONFIG_WIRELESS_EXT is not set
-# CONFIG_MAC80211 is not set
-# CONFIG_IEEE80211 is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -488,6 +510,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
@@ -545,6 +568,7 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y
 #
 # CONFIG_MTD_DATAFLASH is not set
 # CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SST25L is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -560,6 +584,11 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y
 # CONFIG_MTD_ONENAND is not set
 
 #
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
@@ -576,10 +605,20 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
 # CONFIG_ATA_OVER_ETH is not set
 # CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
-# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_AD525X_DPOT is not set
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_ISL29003 is not set
 # CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT24 is not set
+# CONFIG_EEPROM_AT25 is not set
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_MAX6875 is not set
+# CONFIG_EEPROM_93CX6 is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
@@ -614,6 +653,9 @@ CONFIG_PHYLIB=y
 # CONFIG_BROADCOM_PHY is not set
 # CONFIG_ICPLUS_PHY is not set
 # CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
 # CONFIG_FIXED_PHY is not set
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
@@ -622,10 +664,14 @@ CONFIG_BFIN_MAC=y
 CONFIG_BFIN_TX_DESC_NUM=10
 CONFIG_BFIN_RX_DESC_NUM=20
 # CONFIG_BFIN_MAC_RMII is not set
+CONFIG_BFIN_MAC_USE_HWSTAMP=y
 # CONFIG_SMC91X is not set
-# CONFIG_SMSC911X is not set
 # CONFIG_DM9000 is not set
 # CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_ADF702X is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
@@ -634,15 +680,16 @@ CONFIG_BFIN_RX_DESC_NUM=20
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
 
 #
-# Wireless LAN
+# Enable WiMAX (Networking options) to see the WiMAX drivers
 #
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
-# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
@@ -677,7 +724,10 @@ CONFIG_INPUT=y
 # CONFIG_INPUT_TOUCHSCREEN is not set
 CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_UINPUT is not set
-# CONFIG_CONFIG_INPUT_PCF8574 is not set
+# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
+# CONFIG_INPUT_AD714X is not set
+# CONFIG_INPUT_ADXL34X is not set
+# CONFIG_INPUT_PCF8574 is not set
 
 #
 # Hardware I/O ports
@@ -688,16 +738,13 @@ CONFIG_INPUT_MISC=y
 #
 # Character devices
 #
-# CONFIG_AD9960 is not set
 CONFIG_BFIN_DMA_INTERFACE=m
 # CONFIG_BFIN_PPI is not set
 # CONFIG_BFIN_PPIFCD is not set
 # CONFIG_BFIN_SIMPLE_TIMER is not set
 # CONFIG_BFIN_SPI_ADC is not set
 # CONFIG_BFIN_SPORT is not set
-# CONFIG_BFIN_TIMER_LATENCY is not set
 # CONFIG_BFIN_TWI_LCD is not set
-CONFIG_SIMPLE_GPIO=m
 CONFIG_VT=y
 CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
@@ -715,6 +762,7 @@ CONFIG_BFIN_JTAG_COMM=m
 #
 # Non-8250 serial port support
 #
+# CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_BFIN=y
 CONFIG_SERIAL_BFIN_CONSOLE=y
 CONFIG_SERIAL_BFIN_DMA=y
@@ -726,12 +774,10 @@ CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_BFIN_SPORT is not set
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
-
-#
-# CAN, the car bus and industrial fieldbus
-#
-# CONFIG_CAN4LINUX is not set
+CONFIG_BFIN_OTP=y
+# CONFIG_BFIN_OTP_WRITE_ENABLE is not set
 # CONFIG_IPMI_HANDLER is not set
 # CONFIG_HW_RANDOM is not set
 # CONFIG_R3964 is not set
@@ -739,6 +785,7 @@ CONFIG_UNIX98_PTYS=y
 # CONFIG_TCG_TPM is not set
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_HELPER_AUTO=y
 
@@ -771,14 +818,6 @@ CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
-# CONFIG_EEPROM_AT24 is not set
-# CONFIG_SENSORS_AD5252 is not set
-# CONFIG_EEPROM_LEGACY is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_PCF8575 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
@@ -795,13 +834,18 @@ CONFIG_SPI_BFIN=y
 # CONFIG_SPI_BFIN_LOCK is not set
 # CONFIG_SPI_BFIN_SPORT is not set
 # CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
 
 #
 # SPI Protocol Masters
 #
-# CONFIG_SPI_AT25 is not set
 # CONFIG_SPI_SPIDEV is not set
 # CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
 CONFIG_GPIOLIB=y
 # CONFIG_DEBUG_GPIO is not set
@@ -817,6 +861,7 @@ CONFIG_GPIO_SYSFS=y
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
@@ -827,11 +872,15 @@ CONFIG_GPIO_SYSFS=y
 #
 # CONFIG_GPIO_MAX7301 is not set
 # CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -853,28 +902,20 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
 # CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
 # CONFIG_REGULATOR is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-# CONFIG_DAB is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -912,10 +953,11 @@ CONFIG_MMC_BLOCK_BOUNCE=y
 # MMC/SD/SDIO Host Controller Drivers
 #
 # CONFIG_MMC_SDHCI is not set
+# CONFIG_MMC_AT91 is not set
+# CONFIG_MMC_ATMELMCI is not set
+# CONFIG_MMC_SPI is not set
 CONFIG_SDH_BFIN=m
 CONFIG_SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND=y
-# CONFIG_SDH_BFIN_ENABLE_SDIO_IRQ is not set
-# CONFIG_MMC_SPI is not set
 # CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
 # CONFIG_ACCESSIBILITY is not set
@@ -950,6 +992,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_S35390A is not set
 # CONFIG_RTC_DRV_FM3130 is not set
 # CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
 
 #
 # SPI RTC drivers
@@ -961,6 +1004,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_R9701 is not set
 # CONFIG_RTC_DRV_RS5C348 is not set
 # CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
 
 #
 # Platform RTC drivers
@@ -981,10 +1025,21 @@ CONFIG_RTC_INTF_DEV=y
 #
 CONFIG_RTC_DRV_BFIN=y
 # CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
+# Firmware Drivers
+#
+# CONFIG_FIRMWARE_MEMMAP is not set
+# CONFIG_SIGMA is not set
+
+#
 # File systems
 #
 CONFIG_EXT2_FS=m
@@ -994,9 +1049,13 @@ CONFIG_EXT2_FS=m
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -1006,6 +1065,11 @@ CONFIG_INOTIFY_USER=y
 # CONFIG_FUSE_FS is not set
 
 #
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
 # CD-ROM/DVD Filesystems
 #
 # CONFIG_ISO9660_FS is not set
@@ -1027,13 +1091,9 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 # CONFIG_CONFIGFS_FS is not set
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_ADFS_FS is not set
 # CONFIG_AFFS_FS is not set
 # CONFIG_HFS_FS is not set
@@ -1042,8 +1102,8 @@ CONFIG_SYSFS=y
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
 # CONFIG_JFFS2_FS is not set
-# CONFIG_YAFFS_FS is not set
 # CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_OMFS_FS is not set
@@ -1062,7 +1122,6 @@ CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
-# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 CONFIG_SMB_FS=m
@@ -1127,14 +1186,19 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_SECTION_MISMATCH=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_SHIRQ=y
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
 CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
@@ -1142,31 +1206,39 @@ CONFIG_SCHED_DEBUG=y
 # CONFIG_DEBUG_SLAB is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_NOMMU_REGIONS is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_FRAME_POINTER is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
-
-#
-# Tracers
-#
-# CONFIG_SCHED_TRACER is not set
-# CONFIG_CONTEXT_SWITCH_TRACER is not set
-# CONFIG_BOOT_TRACER is not set
-# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_BRANCH_PROFILE_NONE is not set
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
@@ -1191,6 +1263,7 @@ CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_CPLB_INFO=y
 CONFIG_ACCESS_CHECK=y
+# CONFIG_BFIN_ISRAM_SELF_TEST is not set
 
 #
 # Security options
@@ -1199,14 +1272,14 @@ CONFIG_ACCESS_CHECK=y
 CONFIG_SECURITY=y
 # CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_NETWORK is not set
+# CONFIG_SECURITY_PATH is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
-CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=0
+# CONFIG_SECURITY_TOMOYO is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_MANAGER2 is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -1238,11 +1311,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
@@ -1279,6 +1354,7 @@ CONFIG_CRYPTO=y
 # Compression
 #
 # CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
 # CONFIG_CRYPTO_LZO is not set
 
 #
@@ -1286,11 +1362,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_CRC_CCITT=m
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
@@ -1299,6 +1377,8 @@ CONFIG_CRC32=y
 # CONFIG_CRC7 is not set
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
+CONFIG_DECOMPRESS_GZIP=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/blackfin/configs/BF526-EZBRD_defconfig b/arch/blackfin/configs/BF526-EZBRD_defconfig
index 075e0fdcb399..31c2a6db6ec5 100644
--- a/arch/blackfin/configs/BF526-EZBRD_defconfig
+++ b/arch/blackfin/configs/BF526-EZBRD_defconfig
@@ -1,22 +1,27 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28.10
-# Thu May 21 05:50:01 2009
+# Linux kernel version: 2.6.32.2
 #
 # CONFIG_MMU is not set
 # CONFIG_FPU is not set
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
 CONFIG_BLACKFIN=y
+CONFIG_GENERIC_CSUM=y
+CONFIG_GENERIC_BUG=y
 CONFIG_ZONE_DMA=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
-CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_GPIO=y
 CONFIG_FORCE_MAX_ZONEORDER=14
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -26,22 +31,41 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_CGROUPS is not set
 # CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
 # CONFIG_SYSFS_DEPRECATED_V2 is not set
 # CONFIG_RELAY is not set
 # CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -62,6 +86,10 @@ CONFIG_EPOLL=y
 # CONFIG_TIMERFD is not set
 # CONFIG_EVENTFD is not set
 # CONFIG_AIO is not set
+
+#
+# Kernel Performance Events And Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
@@ -69,11 +97,15 @@ CONFIG_SLAB=y
 # CONFIG_SLOB is not set
 CONFIG_MMAP_ALLOW_UNINITIALIZED=y
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
-CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 # CONFIG_MODULE_FORCE_LOAD is not set
@@ -81,11 +113,8 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_KMOD=y
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_LSF is not set
+# CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -101,7 +130,6 @@ CONFIG_IOSCHED_NOOP=y
 # CONFIG_DEFAULT_CFQ is not set
 CONFIG_DEFAULT_NOOP=y
 CONFIG_DEFAULT_IOSCHED="noop"
-CONFIG_CLASSIC_RCU=y
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
@@ -132,15 +160,15 @@ CONFIG_BF526=y
 # CONFIG_BF537 is not set
 # CONFIG_BF538 is not set
 # CONFIG_BF539 is not set
-# CONFIG_BF542 is not set
+# CONFIG_BF542_std is not set
 # CONFIG_BF542M is not set
-# CONFIG_BF544 is not set
+# CONFIG_BF544_std is not set
 # CONFIG_BF544M is not set
-# CONFIG_BF547 is not set
+# CONFIG_BF547_std is not set
 # CONFIG_BF547M is not set
-# CONFIG_BF548 is not set
+# CONFIG_BF548_std is not set
 # CONFIG_BF548M is not set
-# CONFIG_BF549 is not set
+# CONFIG_BF549_std is not set
 # CONFIG_BF549M is not set
 # CONFIG_BF561 is not set
 CONFIG_BF_REV_MIN=0
@@ -154,8 +182,7 @@ CONFIG_BF_REV_0_0=y
 # CONFIG_BF_REV_0_6 is not set
 # CONFIG_BF_REV_ANY is not set
 # CONFIG_BF_REV_NONE is not set
-CONFIG_BF52x=y
-CONFIG_MEM_MT48LC32M16A2TG_75=y
+CONFIG_MEM_MT48H32M16LFCJ_75=y
 CONFIG_IRQ_PLL_WAKEUP=7
 CONFIG_IRQ_DMA0_ERROR=7
 CONFIG_IRQ_DMAR0_BLK=7
@@ -200,7 +227,9 @@ CONFIG_IRQ_MEM_DMA1=13
 CONFIG_IRQ_WATCH=13
 CONFIG_IRQ_PORTF_INTA=13
 CONFIG_IRQ_PORTF_INTB=13
+CONFIG_BF52x=y
 # CONFIG_BFIN527_EZKIT is not set
+# CONFIG_BFIN527_EZKIT_V2 is not set
 # CONFIG_BFIN527_BLUETECHNIX_CM is not set
 CONFIG_BFIN526_EZBRD=y
 
@@ -318,7 +347,6 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_RESOURCES_64BIT is not set
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
@@ -327,16 +355,18 @@ CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set
 CONFIG_DMA_UNCACHED_1M=y
+# CONFIG_DMA_UNCACHED_512K is not set
+# CONFIG_DMA_UNCACHED_256K is not set
+# CONFIG_DMA_UNCACHED_128K is not set
 # CONFIG_DMA_UNCACHED_NONE is not set
 
 #
 # Cache Support
 #
 CONFIG_BFIN_ICACHE=y
-# CONFIG_BFIN_ICACHE_LOCK is not set
+CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_DCACHE=y
 # CONFIG_BFIN_DCACHE_BANKA is not set
-CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_EXTMEM_DCACHEABLE=y
 CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_BFIN_EXTMEM_WRITETHROUGH is not set
@@ -347,6 +377,10 @@ CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_MPU is not set
 
 #
+# Asynchronous Memory Configuration
+#
+
+#
 # EBIU_AMGCTL Global Control
 #
 CONFIG_C_AMCKEN=y
@@ -399,11 +433,6 @@ CONFIG_NET=y
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
-CONFIG_XFRM=y
-# CONFIG_XFRM_USER is not set
-# CONFIG_XFRM_SUB_POLICY is not set
-# CONFIG_XFRM_MIGRATE is not set
-# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -427,7 +456,6 @@ CONFIG_IP_PNP=y
 # CONFIG_INET_XFRM_MODE_BEET is not set
 # CONFIG_INET_LRO is not set
 # CONFIG_INET_DIAG is not set
-CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
@@ -438,6 +466,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -451,7 +480,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
 
 #
 # Network testing
@@ -462,13 +494,8 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-# CONFIG_PHONET is not set
-CONFIG_WIRELESS=y
-# CONFIG_CFG80211 is not set
-CONFIG_WIRELESS_OLD_REGULATORY=y
-# CONFIG_WIRELESS_EXT is not set
-# CONFIG_MAC80211 is not set
-# CONFIG_IEEE80211 is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -489,6 +516,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
@@ -549,6 +577,7 @@ CONFIG_MTD_PHYSMAP=y
 # CONFIG_MTD_DATAFLASH is not set
 CONFIG_MTD_M25P80=y
 CONFIG_M25PXX_USE_FAST_READ=y
+# CONFIG_MTD_SST25L is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -564,11 +593,6 @@ CONFIG_MTD_NAND=m
 # CONFIG_MTD_NAND_VERIFY_WRITE is not set
 # CONFIG_MTD_NAND_ECC_SMC is not set
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
-CONFIG_MTD_NAND_BFIN=m
-CONFIG_BFIN_NAND_BASE=0x20212000
-CONFIG_BFIN_NAND_CLE=2
-CONFIG_BFIN_NAND_ALE=1
-CONFIG_BFIN_NAND_READY=3
 CONFIG_MTD_NAND_IDS=m
 # CONFIG_MTD_NAND_BF5XX is not set
 # CONFIG_MTD_NAND_DISKONCHIP is not set
@@ -578,6 +602,11 @@ CONFIG_MTD_NAND_IDS=m
 # CONFIG_MTD_ONENAND is not set
 
 #
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
@@ -595,10 +624,20 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
 # CONFIG_ATA_OVER_ETH is not set
 # CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
-# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_AD525X_DPOT is not set
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_ISL29003 is not set
 # CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT24 is not set
+# CONFIG_EEPROM_AT25 is not set
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_MAX6875 is not set
+# CONFIG_EEPROM_93CX6 is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
@@ -622,10 +661,6 @@ CONFIG_BLK_DEV_SR=m
 # CONFIG_BLK_DEV_SR_VENDOR is not set
 # CONFIG_CHR_DEV_SG is not set
 # CONFIG_CHR_DEV_SCH is not set
-
-#
-# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
-#
 # CONFIG_SCSI_MULTI_LUN is not set
 # CONFIG_SCSI_CONSTANTS is not set
 # CONFIG_SCSI_LOGGING is not set
@@ -642,6 +677,7 @@ CONFIG_SCSI_WAIT_SCAN=m
 # CONFIG_SCSI_SRP_ATTRS is not set
 # CONFIG_SCSI_LOWLEVEL is not set
 # CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
 CONFIG_NETDEVICES=y
@@ -666,6 +702,9 @@ CONFIG_PHYLIB=y
 # CONFIG_BROADCOM_PHY is not set
 # CONFIG_ICPLUS_PHY is not set
 # CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
 # CONFIG_FIXED_PHY is not set
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
@@ -675,9 +714,12 @@ CONFIG_BFIN_TX_DESC_NUM=10
 CONFIG_BFIN_RX_DESC_NUM=20
 CONFIG_BFIN_MAC_RMII=y
 # CONFIG_SMC91X is not set
-# CONFIG_SMSC911X is not set
 # CONFIG_DM9000 is not set
 # CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_ADF702X is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
@@ -686,15 +728,16 @@ CONFIG_BFIN_MAC_RMII=y
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
 
 #
-# Wireless LAN
+# Enable WiMAX (Networking options) to see the WiMAX drivers
 #
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
-# CONFIG_IWLWIFI_LEDS is not set
 
 #
 # USB Network Adapters
@@ -744,7 +787,11 @@ CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_YEALINK is not set
 # CONFIG_INPUT_CM109 is not set
 # CONFIG_INPUT_UINPUT is not set
-# CONFIG_CONFIG_INPUT_PCF8574 is not set
+# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
+# CONFIG_INPUT_BFIN_ROTARY is not set
+# CONFIG_INPUT_AD714X is not set
+# CONFIG_INPUT_ADXL34X is not set
+# CONFIG_INPUT_PCF8574 is not set
 
 #
 # Hardware I/O ports
@@ -755,16 +802,13 @@ CONFIG_INPUT_MISC=y
 #
 # Character devices
 #
-# CONFIG_AD9960 is not set
 CONFIG_BFIN_DMA_INTERFACE=m
 # CONFIG_BFIN_PPI is not set
 # CONFIG_BFIN_PPIFCD is not set
 # CONFIG_BFIN_SIMPLE_TIMER is not set
 # CONFIG_BFIN_SPI_ADC is not set
 # CONFIG_BFIN_SPORT is not set
-# CONFIG_BFIN_TIMER_LATENCY is not set
 # CONFIG_BFIN_TWI_LCD is not set
-CONFIG_SIMPLE_GPIO=m
 CONFIG_VT=y
 CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
@@ -782,6 +826,7 @@ CONFIG_BFIN_JTAG_COMM=m
 #
 # Non-8250 serial port support
 #
+# CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_BFIN=y
 CONFIG_SERIAL_BFIN_CONSOLE=y
 CONFIG_SERIAL_BFIN_DMA=y
@@ -793,14 +838,10 @@ CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_BFIN_SPORT is not set
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
 CONFIG_BFIN_OTP=y
 # CONFIG_BFIN_OTP_WRITE_ENABLE is not set
-
-#
-# CAN, the car bus and industrial fieldbus
-#
-# CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
 # CONFIG_HW_RANDOM is not set
 # CONFIG_R3964 is not set
@@ -808,6 +849,7 @@ CONFIG_BFIN_OTP=y
 # CONFIG_TCG_TPM is not set
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
 CONFIG_I2C_CHARDEV=m
 CONFIG_I2C_HELPER_AUTO=y
 
@@ -841,14 +883,6 @@ CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
-# CONFIG_EEPROM_AT24 is not set
-# CONFIG_SENSORS_AD5252 is not set
-# CONFIG_EEPROM_LEGACY is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_PCF8575 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
@@ -865,13 +899,18 @@ CONFIG_SPI_BFIN=y
 # CONFIG_SPI_BFIN_LOCK is not set
 # CONFIG_SPI_BFIN_SPORT is not set
 # CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
 
 #
 # SPI Protocol Masters
 #
-# CONFIG_EEPROM_AT25 is not set
 # CONFIG_SPI_SPIDEV is not set
 # CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
 CONFIG_GPIOLIB=y
 # CONFIG_DEBUG_GPIO is not set
@@ -887,6 +926,7 @@ CONFIG_GPIO_SYSFS=y
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
@@ -897,11 +937,20 @@ CONFIG_GPIO_SYSFS=y
 #
 # CONFIG_GPIO_MAX7301 is not set
 # CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
-# CONFIG_SENSORS_AD5252 is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Native drivers
+#
 # CONFIG_SENSORS_AD7414 is not set
 # CONFIG_SENSORS_AD7418 is not set
 # CONFIG_SENSORS_ADCXX is not set
@@ -914,11 +963,13 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADT7462 is not set
 # CONFIG_SENSORS_ADT7470 is not set
 # CONFIG_SENSORS_ADT7473 is not set
+# CONFIG_SENSORS_ADT7475 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_F71805F is not set
 # CONFIG_SENSORS_F71882FG is not set
 # CONFIG_SENSORS_F75375S is not set
+# CONFIG_SENSORS_G760A is not set
 # CONFIG_SENSORS_GL518SM is not set
 # CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
@@ -934,17 +985,24 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_LM90 is not set
 # CONFIG_SENSORS_LM92 is not set
 # CONFIG_SENSORS_LM93 is not set
+# CONFIG_SENSORS_LTC4215 is not set
+# CONFIG_SENSORS_LTC4245 is not set
+# CONFIG_SENSORS_LM95241 is not set
 # CONFIG_SENSORS_MAX1111 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_MAX6650 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_SHT15 is not set
 # CONFIG_SENSORS_DME1737 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_ADS7828 is not set
 # CONFIG_SENSORS_THMC50 is not set
+# CONFIG_SENSORS_TMP401 is not set
+# CONFIG_SENSORS_TMP421 is not set
 # CONFIG_SENSORS_VT1211 is not set
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83791D is not set
@@ -954,9 +1012,8 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
-# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_SENSORS_LIS3_SPI is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -983,28 +1040,20 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
 # CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
 # CONFIG_REGULATOR is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-# CONFIG_DAB is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -1026,7 +1075,6 @@ CONFIG_DUMMY_CONSOLE=y
 # CONFIG_SOUND is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
-# CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
 
 #
@@ -1039,30 +1087,35 @@ CONFIG_USB_HID=y
 #
 # Special HID drivers
 #
-CONFIG_HID_COMPAT=y
 CONFIG_HID_A4TECH=y
 CONFIG_HID_APPLE=y
 CONFIG_HID_BELKIN=y
-CONFIG_HID_BRIGHT=y
 CONFIG_HID_CHERRY=y
 CONFIG_HID_CHICONY=y
 CONFIG_HID_CYPRESS=y
-CONFIG_HID_DELL=y
+# CONFIG_HID_DRAGONRISE is not set
 CONFIG_HID_EZKEY=y
+# CONFIG_HID_KYE is not set
 CONFIG_HID_GYRATION=y
+# CONFIG_HID_TWINHAN is not set
+# CONFIG_HID_KENSINGTON is not set
 CONFIG_HID_LOGITECH=y
 # CONFIG_LOGITECH_FF is not set
 # CONFIG_LOGIRUMBLEPAD2_FF is not set
 CONFIG_HID_MICROSOFT=y
 CONFIG_HID_MONTEREY=y
+# CONFIG_HID_NTRIG is not set
 CONFIG_HID_PANTHERLORD=y
 # CONFIG_PANTHERLORD_FF is not set
 CONFIG_HID_PETALYNX=y
 CONFIG_HID_SAMSUNG=y
 CONFIG_HID_SONY=y
 CONFIG_HID_SUNPLUS=y
-CONFIG_THRUSTMASTER_FF=m
-CONFIG_ZEROPLUS_FF=m
+# CONFIG_HID_GREENASIA is not set
+# CONFIG_HID_SMARTJOYPLUS is not set
+# CONFIG_HID_TOPSEED is not set
+# CONFIG_HID_THRUSTMASTER is not set
+# CONFIG_HID_ZEROPLUS is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
@@ -1088,6 +1141,7 @@ CONFIG_USB_MON=y
 # USB Host Controller Drivers
 #
 # CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_OXU210HP_HCD is not set
 # CONFIG_USB_ISP116X_HCD is not set
 # CONFIG_USB_ISP1760_HCD is not set
 # CONFIG_USB_ISP1362_HCD is not set
@@ -1118,18 +1172,17 @@ CONFIG_USB_INVENTRA_DMA=y
 # CONFIG_USB_TMC is not set
 
 #
-# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed;
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
 #
 
 #
-# see USB_STORAGE Help for more information
+# also be needed; see USB_STORAGE Help for more info
 #
 CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_DEBUG is not set
 # CONFIG_USB_STORAGE_DATAFAB is not set
 # CONFIG_USB_STORAGE_FREECOM is not set
 # CONFIG_USB_STORAGE_ISD200 is not set
-# CONFIG_USB_STORAGE_DPCM is not set
 # CONFIG_USB_STORAGE_USBAT is not set
 # CONFIG_USB_STORAGE_SDDR09 is not set
 # CONFIG_USB_STORAGE_SDDR55 is not set
@@ -1165,7 +1218,6 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
-# CONFIG_USB_PHIDGET is not set
 # CONFIG_USB_IDMOUSE is not set
 # CONFIG_USB_FTDI_ELAN is not set
 # CONFIG_USB_APPLEDISPLAY is not set
@@ -1177,6 +1229,13 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_ISIGHTFW is not set
 # CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
+
+#
+# OTG and related infrastructure
+#
+CONFIG_USB_OTG_UTILS=y
+# CONFIG_USB_GPIO_VBUS is not set
+CONFIG_NOP_USB_XCEIV=y
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
@@ -1212,6 +1271,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_S35390A is not set
 # CONFIG_RTC_DRV_FM3130 is not set
 # CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
 
 #
 # SPI RTC drivers
@@ -1223,6 +1283,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_R9701 is not set
 # CONFIG_RTC_DRV_RS5C348 is not set
 # CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
 
 #
 # Platform RTC drivers
@@ -1243,10 +1304,21 @@ CONFIG_RTC_INTF_DEV=y
 #
 CONFIG_RTC_DRV_BFIN=y
 # CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
+# Firmware Drivers
+#
+# CONFIG_FIRMWARE_MEMMAP is not set
+# CONFIG_SIGMA is not set
+
+#
 # File systems
 #
 CONFIG_EXT2_FS=m
@@ -1256,9 +1328,13 @@ CONFIG_EXT2_FS=m
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -1268,6 +1344,11 @@ CONFIG_INOTIFY_USER=y
 # CONFIG_FUSE_FS is not set
 
 #
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
 # CD-ROM/DVD Filesystems
 #
 CONFIG_ISO9660_FS=m
@@ -1291,13 +1372,9 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 # CONFIG_CONFIGFS_FS is not set
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_ADFS_FS is not set
 # CONFIG_AFFS_FS is not set
 # CONFIG_HFS_FS is not set
@@ -1316,17 +1393,8 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
-CONFIG_YAFFS_FS=m
-CONFIG_YAFFS_YAFFS1=y
-# CONFIG_YAFFS_9BYTE_TAGS is not set
-# CONFIG_YAFFS_DOES_ECC is not set
-CONFIG_YAFFS_YAFFS2=y
-CONFIG_YAFFS_AUTO_YAFFS2=y
-# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set
-# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set
-# CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set
-CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y
 # CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_OMFS_FS is not set
@@ -1345,7 +1413,6 @@ CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
-# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 CONFIG_SMB_FS=m
@@ -1360,7 +1427,7 @@ CONFIG_SMB_FS=m
 #
 # CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
-CONFIG_NLS=m
+CONFIG_NLS=y
 CONFIG_NLS_DEFAULT="iso8859-1"
 CONFIG_NLS_CODEPAGE_437=m
 # CONFIG_NLS_CODEPAGE_737 is not set
@@ -1410,14 +1477,19 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_SECTION_MISMATCH=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_SHIRQ=y
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
 CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
@@ -1425,31 +1497,39 @@ CONFIG_SCHED_DEBUG=y
 # CONFIG_DEBUG_SLAB is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_NOMMU_REGIONS is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_FRAME_POINTER is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
-
-#
-# Tracers
-#
-# CONFIG_SCHED_TRACER is not set
-# CONFIG_CONTEXT_SWITCH_TRACER is not set
-# CONFIG_BOOT_TRACER is not set
-# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_BRANCH_PROFILE_NONE is not set
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
@@ -1474,6 +1554,7 @@ CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_CPLB_INFO=y
 CONFIG_ACCESS_CHECK=y
+# CONFIG_BFIN_ISRAM_SELF_TEST is not set
 
 #
 # Security options
@@ -1482,15 +1563,15 @@ CONFIG_ACCESS_CHECK=y
 CONFIG_SECURITY=y
 # CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_NETWORK is not set
+# CONFIG_SECURITY_PATH is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 # CONFIG_SECURITY_ROOTPLUG is not set
-CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=0
+# CONFIG_SECURITY_TOMOYO is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_MANAGER2 is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -1522,11 +1603,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
@@ -1563,6 +1646,7 @@ CONFIG_CRYPTO=y
 # Compression
 #
 # CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
 # CONFIG_CRYPTO_LZO is not set
 
 #
@@ -1570,11 +1654,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_CRC_CCITT=m
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
@@ -1584,6 +1670,8 @@ CONFIG_CRC32=y
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
+CONFIG_DECOMPRESS_GZIP=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/blackfin/configs/BF527-EZKIT-V2_defconfig b/arch/blackfin/configs/BF527-EZKIT-V2_defconfig
new file mode 100644
index 000000000000..d2dfcb0e7ce4
--- /dev/null
+++ b/arch/blackfin/configs/BF527-EZKIT-V2_defconfig
@@ -0,0 +1,1811 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.32.2
+#
+# CONFIG_MMU is not set
+# CONFIG_FPU is not set
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
+CONFIG_BLACKFIN=y
+CONFIG_GENERIC_CSUM=y
+CONFIG_GENERIC_BUG=y
+CONFIG_ZONE_DMA=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_FORCE_MAX_ZONEORDER=14
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
+# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+# CONFIG_SYSCTL_SYSCALL is not set
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+# CONFIG_ELF_CORE is not set
+CONFIG_BASE_FULL=y
+# CONFIG_FUTEX is not set
+CONFIG_EPOLL=y
+# CONFIG_SIGNALFD is not set
+# CONFIG_TIMERFD is not set
+# CONFIG_EVENTFD is not set
+# CONFIG_AIO is not set
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+CONFIG_MMAP_ALLOW_UNINITIALIZED=y
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
+# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
+CONFIG_SLABINFO=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+# CONFIG_LBDAF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+CONFIG_IOSCHED_AS=y
+# CONFIG_IOSCHED_DEADLINE is not set
+CONFIG_IOSCHED_CFQ=y
+CONFIG_DEFAULT_AS=y
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="anticipatory"
+# CONFIG_PREEMPT_NONE is not set
+CONFIG_PREEMPT_VOLUNTARY=y
+# CONFIG_PREEMPT is not set
+# CONFIG_FREEZER is not set
+
+#
+# Blackfin Processor Options
+#
+
+#
+# Processor and Board Settings
+#
+# CONFIG_BF512 is not set
+# CONFIG_BF514 is not set
+# CONFIG_BF516 is not set
+# CONFIG_BF518 is not set
+# CONFIG_BF522 is not set
+# CONFIG_BF523 is not set
+# CONFIG_BF524 is not set
+# CONFIG_BF525 is not set
+# CONFIG_BF526 is not set
+CONFIG_BF527=y
+# CONFIG_BF531 is not set
+# CONFIG_BF532 is not set
+# CONFIG_BF533 is not set
+# CONFIG_BF534 is not set
+# CONFIG_BF536 is not set
+# CONFIG_BF537 is not set
+# CONFIG_BF538 is not set
+# CONFIG_BF539 is not set
+# CONFIG_BF542_std is not set
+# CONFIG_BF542M is not set
+# CONFIG_BF544_std is not set
+# CONFIG_BF544M is not set
+# CONFIG_BF547_std is not set
+# CONFIG_BF547M is not set
+# CONFIG_BF548_std is not set
+# CONFIG_BF548M is not set
+# CONFIG_BF549_std is not set
+# CONFIG_BF549M is not set
+# CONFIG_BF561 is not set
+CONFIG_BF_REV_MIN=0
+CONFIG_BF_REV_MAX=2
+# CONFIG_BF_REV_0_0 is not set
+# CONFIG_BF_REV_0_1 is not set
+CONFIG_BF_REV_0_2=y
+# CONFIG_BF_REV_0_3 is not set
+# CONFIG_BF_REV_0_4 is not set
+# CONFIG_BF_REV_0_5 is not set
+# CONFIG_BF_REV_0_6 is not set
+# CONFIG_BF_REV_ANY is not set
+# CONFIG_BF_REV_NONE is not set
+CONFIG_MEM_MT48LC32M16A2TG_75=y
+CONFIG_IRQ_PLL_WAKEUP=7
+CONFIG_IRQ_DMA0_ERROR=7
+CONFIG_IRQ_DMAR0_BLK=7
+CONFIG_IRQ_DMAR1_BLK=7
+CONFIG_IRQ_DMAR0_OVR=7
+CONFIG_IRQ_DMAR1_OVR=7
+CONFIG_IRQ_PPI_ERROR=7
+CONFIG_IRQ_MAC_ERROR=7
+CONFIG_IRQ_SPORT0_ERROR=7
+CONFIG_IRQ_SPORT1_ERROR=7
+CONFIG_IRQ_UART0_ERROR=7
+CONFIG_IRQ_UART1_ERROR=7
+CONFIG_IRQ_RTC=8
+CONFIG_IRQ_PPI=8
+CONFIG_IRQ_SPORT0_RX=9
+CONFIG_IRQ_SPORT0_TX=9
+CONFIG_IRQ_SPORT1_RX=9
+CONFIG_IRQ_SPORT1_TX=9
+CONFIG_IRQ_TWI=10
+CONFIG_IRQ_UART0_RX=10
+CONFIG_IRQ_UART0_TX=10
+CONFIG_IRQ_UART1_RX=10
+CONFIG_IRQ_UART1_TX=10
+CONFIG_IRQ_OPTSEC=11
+CONFIG_IRQ_CNT=11
+CONFIG_IRQ_MAC_RX=11
+CONFIG_IRQ_PORTH_INTA=11
+CONFIG_IRQ_MAC_TX=11
+CONFIG_IRQ_PORTH_INTB=11
+CONFIG_IRQ_TIMER0=8
+CONFIG_IRQ_TIMER1=12
+CONFIG_IRQ_TIMER2=12
+CONFIG_IRQ_TIMER3=12
+CONFIG_IRQ_TIMER4=12
+CONFIG_IRQ_TIMER5=12
+CONFIG_IRQ_TIMER6=12
+CONFIG_IRQ_TIMER7=12
+CONFIG_IRQ_PORTG_INTA=12
+CONFIG_IRQ_PORTG_INTB=12
+CONFIG_IRQ_MEM_DMA0=13
+CONFIG_IRQ_MEM_DMA1=13
+CONFIG_IRQ_WATCH=13
+CONFIG_IRQ_PORTF_INTA=13
+CONFIG_IRQ_PORTF_INTB=13
+CONFIG_BF52x=y
+# CONFIG_BFIN527_EZKIT is not set
+CONFIG_BFIN527_EZKIT_V2=y
+# CONFIG_BFIN527_BLUETECHNIX_CM is not set
+# CONFIG_BFIN526_EZBRD is not set
+
+#
+# BF527 Specific Configuration
+#
+
+#
+# Alternative Multiplexing Scheme
+#
+# CONFIG_BF527_SPORT0_PORTF is not set
+CONFIG_BF527_SPORT0_PORTG=y
+CONFIG_BF527_SPORT0_TSCLK_PG10=y
+# CONFIG_BF527_SPORT0_TSCLK_PG14 is not set
+CONFIG_BF527_UART1_PORTF=y
+# CONFIG_BF527_UART1_PORTG is not set
+# CONFIG_BF527_NAND_D_PORTF is not set
+CONFIG_BF527_NAND_D_PORTH=y
+
+#
+# Interrupt Priority Assignment
+#
+
+#
+# Priority
+#
+CONFIG_IRQ_SPI=10
+CONFIG_IRQ_SPI_ERROR=7
+CONFIG_IRQ_NFC_ERROR=7
+CONFIG_IRQ_HDMA_ERROR=7
+CONFIG_IRQ_HDMA=7
+CONFIG_IRQ_USB_EINT=10
+CONFIG_IRQ_USB_INT0=11
+CONFIG_IRQ_USB_INT1=11
+CONFIG_IRQ_USB_INT2=11
+CONFIG_IRQ_USB_DMA=11
+
+#
+# Board customizations
+#
+# CONFIG_CMDLINE_BOOL is not set
+CONFIG_BOOT_LOAD=0x1000
+
+#
+# Clock/PLL Setup
+#
+CONFIG_CLKIN_HZ=25000000
+# CONFIG_BFIN_KERNEL_CLOCK is not set
+CONFIG_MAX_VCO_HZ=600000000
+CONFIG_MIN_VCO_HZ=50000000
+CONFIG_MAX_SCLK_HZ=133333333
+CONFIG_MIN_SCLK_HZ=27000000
+
+#
+# Kernel Timer/Scheduler
+#
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+# CONFIG_TICKSOURCE_GPTMR0 is not set
+CONFIG_TICKSOURCE_CORETMR=y
+# CONFIG_CYCLES_CLOCKSOURCE is not set
+# CONFIG_GPTMR0_CLOCKSOURCE is not set
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+
+#
+# Misc
+#
+CONFIG_BFIN_SCRATCH_REG_RETN=y
+# CONFIG_BFIN_SCRATCH_REG_RETE is not set
+# CONFIG_BFIN_SCRATCH_REG_CYCLES is not set
+
+#
+# Blackfin Kernel Optimizations
+#
+
+#
+# Memory Optimizations
+#
+CONFIG_I_ENTRY_L1=y
+CONFIG_EXCPT_IRQ_SYSC_L1=y
+CONFIG_DO_IRQ_L1=y
+CONFIG_CORE_TIMER_IRQ_L1=y
+CONFIG_IDLE_L1=y
+# CONFIG_SCHEDULE_L1 is not set
+CONFIG_ARITHMETIC_OPS_L1=y
+CONFIG_ACCESS_OK_L1=y
+# CONFIG_MEMSET_L1 is not set
+# CONFIG_MEMCPY_L1 is not set
+# CONFIG_SYS_BFIN_SPINLOCK_L1 is not set
+# CONFIG_IP_CHECKSUM_L1 is not set
+CONFIG_CACHELINE_ALIGNED_L1=y
+# CONFIG_SYSCALL_TAB_L1 is not set
+# CONFIG_CPLB_SWITCH_TAB_L1 is not set
+CONFIG_APP_STACK_L1=y
+
+#
+# Speed Optimizations
+#
+CONFIG_BFIN_INS_LOWOVERHEAD=y
+CONFIG_RAMKERNEL=y
+# CONFIG_ROMKERNEL is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_VIRT_TO_BUS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
+CONFIG_BFIN_GPTIMERS=y
+# CONFIG_DMA_UNCACHED_4M is not set
+# CONFIG_DMA_UNCACHED_2M is not set
+CONFIG_DMA_UNCACHED_1M=y
+# CONFIG_DMA_UNCACHED_512K is not set
+# CONFIG_DMA_UNCACHED_256K is not set
+# CONFIG_DMA_UNCACHED_128K is not set
+# CONFIG_DMA_UNCACHED_NONE is not set
+
+#
+# Cache Support
+#
+CONFIG_BFIN_ICACHE=y
+CONFIG_BFIN_EXTMEM_ICACHEABLE=y
+CONFIG_BFIN_DCACHE=y
+# CONFIG_BFIN_DCACHE_BANKA is not set
+CONFIG_BFIN_EXTMEM_DCACHEABLE=y
+CONFIG_BFIN_EXTMEM_WRITEBACK=y
+# CONFIG_BFIN_EXTMEM_WRITETHROUGH is not set
+
+#
+# Memory Protection Unit
+#
+# CONFIG_MPU is not set
+
+#
+# Asynchronous Memory Configuration
+#
+
+#
+# EBIU_AMGCTL Global Control
+#
+CONFIG_C_AMCKEN=y
+CONFIG_C_CDPRIO=y
+# CONFIG_C_AMBEN is not set
+# CONFIG_C_AMBEN_B0 is not set
+# CONFIG_C_AMBEN_B0_B1 is not set
+# CONFIG_C_AMBEN_B0_B1_B2 is not set
+CONFIG_C_AMBEN_ALL=y
+
+#
+# EBIU_AMBCTL Control
+#
+CONFIG_BANK_0=0x7BB0
+CONFIG_BANK_1=0x7BB0
+CONFIG_BANK_2=0x7BB0
+CONFIG_BANK_3=0x99B2
+
+#
+# Bus options (PCI, PCMCIA, EISA, MCA, ISA)
+#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF_FDPIC=y
+CONFIG_BINFMT_FLAT=y
+CONFIG_BINFMT_ZFLAT=y
+# CONFIG_BINFMT_SHARED_FLAT is not set
+# CONFIG_HAVE_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETLABEL is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+CONFIG_IRDA=m
+
+#
+# IrDA protocols
+#
+CONFIG_IRLAN=m
+CONFIG_IRCOMM=m
+# CONFIG_IRDA_ULTRA is not set
+
+#
+# IrDA options
+#
+# CONFIG_IRDA_CACHE_LAST_LSAP is not set
+# CONFIG_IRDA_FAST_RR is not set
+# CONFIG_IRDA_DEBUG is not set
+
+#
+# Infrared-port device drivers
+#
+
+#
+# SIR device drivers
+#
+CONFIG_IRTTY_SIR=m
+CONFIG_BFIN_SIR=m
+CONFIG_BFIN_SIR0=y
+CONFIG_SIR_BFIN_DMA=y
+# CONFIG_SIR_BFIN_PIO is not set
+
+#
+# Dongle support
+#
+# CONFIG_DONGLE is not set
+# CONFIG_KINGSUN_DONGLE is not set
+# CONFIG_KSDAZZLE_DONGLE is not set
+# CONFIG_KS959_DONGLE is not set
+
+#
+# FIR device drivers
+#
+# CONFIG_USB_IRDA is not set
+# CONFIG_SIGMATEL_FIR is not set
+# CONFIG_MCS_FIR is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+# CONFIG_MTD_CMDLINE_PARTS is not set
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=m
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+# CONFIG_MTD_CFI is not set
+CONFIG_MTD_JEDECPROBE=m
+CONFIG_MTD_GEN_PROBE=m
+# CONFIG_MTD_CFI_ADV_OPTIONS is not set
+CONFIG_MTD_MAP_BANK_WIDTH_1=y
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+CONFIG_MTD_MAP_BANK_WIDTH_4=y
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+CONFIG_MTD_CFI_I2=y
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_CFI_INTELEXT is not set
+# CONFIG_MTD_CFI_AMDSTD is not set
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_RAM=y
+CONFIG_MTD_ROM=m
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+CONFIG_MTD_COMPLEX_MAPPINGS=y
+# CONFIG_MTD_PHYSMAP is not set
+# CONFIG_MTD_GPIO_ADDR is not set
+# CONFIG_MTD_UCLINUX is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_DATAFLASH is not set
+CONFIG_MTD_M25P80=y
+CONFIG_M25PXX_USE_FAST_READ=y
+# CONFIG_MTD_SST25L is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+CONFIG_MTD_NAND=m
+# CONFIG_MTD_NAND_VERIFY_WRITE is not set
+# CONFIG_MTD_NAND_ECC_SMC is not set
+# CONFIG_MTD_NAND_MUSEUM_IDS is not set
+CONFIG_MTD_NAND_IDS=m
+# CONFIG_MTD_NAND_BF5XX is not set
+# CONFIG_MTD_NAND_DISKONCHIP is not set
+# CONFIG_MTD_NAND_NANDSIM is not set
+# CONFIG_MTD_NAND_PLATFORM is not set
+# CONFIG_MTD_ALAUDA is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+# CONFIG_BLK_DEV_UB is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_AD525X_DPOT is not set
+# CONFIG_ICS932S401 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_ISL29003 is not set
+# CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT24 is not set
+# CONFIG_EEPROM_AT25 is not set
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_MAX6875 is not set
+# CONFIG_EEPROM_93CX6 is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+CONFIG_SCSI=y
+CONFIG_SCSI_DMA=y
+# CONFIG_SCSI_TGT is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_SCSI_PROC_FS is not set
+
+#
+# SCSI support type (disk, tape, CD-ROM)
+#
+CONFIG_BLK_DEV_SD=y
+# CONFIG_CHR_DEV_ST is not set
+# CONFIG_CHR_DEV_OSST is not set
+CONFIG_BLK_DEV_SR=m
+# CONFIG_BLK_DEV_SR_VENDOR is not set
+# CONFIG_CHR_DEV_SG is not set
+# CONFIG_CHR_DEV_SCH is not set
+# CONFIG_SCSI_MULTI_LUN is not set
+# CONFIG_SCSI_CONSTANTS is not set
+# CONFIG_SCSI_LOGGING is not set
+# CONFIG_SCSI_SCAN_ASYNC is not set
+CONFIG_SCSI_WAIT_SCAN=m
+
+#
+# SCSI Transports
+#
+# CONFIG_SCSI_SPI_ATTRS is not set
+# CONFIG_SCSI_FC_ATTRS is not set
+# CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_LIBSAS is not set
+# CONFIG_SCSI_SRP_ATTRS is not set
+# CONFIG_SCSI_LOWLEVEL is not set
+# CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+CONFIG_BFIN_MAC=y
+CONFIG_BFIN_MAC_USE_L1=y
+CONFIG_BFIN_TX_DESC_NUM=10
+CONFIG_BFIN_RX_DESC_NUM=20
+CONFIG_BFIN_MAC_RMII=y
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_ADF702X is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+
+#
+# USB Network Adapters
+#
+# CONFIG_USB_CATC is not set
+# CONFIG_USB_KAWETH is not set
+# CONFIG_USB_PEGASUS is not set
+# CONFIG_USB_RTL8150 is not set
+# CONFIG_USB_USBNET is not set
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+CONFIG_INPUT_FF_MEMLESS=m
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+CONFIG_INPUT_EVDEV=y
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+CONFIG_KEYBOARD_ADP5520=y
+# CONFIG_KEYBOARD_ADP5588 is not set
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_QT2160 is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_GPIO is not set
+# CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_LM8323 is not set
+# CONFIG_KEYBOARD_MAX7359 is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_OPENCORES is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_ADS7846 is not set
+# CONFIG_TOUCHSCREEN_AD7877 is not set
+CONFIG_TOUCHSCREEN_AD7879_I2C=y
+CONFIG_TOUCHSCREEN_AD7879=y
+# CONFIG_TOUCHSCREEN_EETI is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MCS5000 is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_WM97XX is not set
+# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_TOUCHSCREEN_TSC2007 is not set
+CONFIG_INPUT_MISC=y
+# CONFIG_INPUT_ATI_REMOTE is not set
+# CONFIG_INPUT_ATI_REMOTE2 is not set
+# CONFIG_INPUT_KEYSPAN_REMOTE is not set
+# CONFIG_INPUT_POWERMATE is not set
+# CONFIG_INPUT_YEALINK is not set
+# CONFIG_INPUT_CM109 is not set
+# CONFIG_INPUT_UINPUT is not set
+# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
+# CONFIG_INPUT_BFIN_ROTARY is not set
+# CONFIG_INPUT_AD714X is not set
+# CONFIG_INPUT_ADXL34X is not set
+# CONFIG_INPUT_PCF8574 is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_BFIN_DMA_INTERFACE=m
+# CONFIG_BFIN_PPI is not set
+# CONFIG_BFIN_PPIFCD is not set
+# CONFIG_BFIN_SIMPLE_TIMER is not set
+# CONFIG_BFIN_SPI_ADC is not set
+CONFIG_BFIN_SPORT=m
+# CONFIG_BFIN_TWI_LCD is not set
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+# CONFIG_DEVKMEM is not set
+CONFIG_BFIN_JTAG_COMM=m
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+# CONFIG_SERIAL_MAX3100 is not set
+CONFIG_SERIAL_BFIN=y
+CONFIG_SERIAL_BFIN_CONSOLE=y
+CONFIG_SERIAL_BFIN_DMA=y
+# CONFIG_SERIAL_BFIN_PIO is not set
+# CONFIG_SERIAL_BFIN_UART0 is not set
+CONFIG_SERIAL_BFIN_UART1=y
+# CONFIG_BFIN_UART1_CTSRTS is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_BFIN_SPORT is not set
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+# CONFIG_LEGACY_PTYS is not set
+CONFIG_BFIN_OTP=y
+# CONFIG_BFIN_OTP_WRITE_ENABLE is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
+CONFIG_I2C_CHARDEV=m
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+CONFIG_I2C_BLACKFIN_TWI=y
+CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_BFIN=y
+# CONFIG_SPI_BFIN_LOCK is not set
+# CONFIG_SPI_BFIN_SPORT is not set
+# CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+CONFIG_GPIO_SYSFS=y
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5520 is not set
+# CONFIG_GPIO_ADP5588 is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+CONFIG_BFIN_WDT=y
+
+#
+# USB-based Watchdog Cards
+#
+# CONFIG_USBPCWATCHDOG is not set
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_UCB1400_CORE is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_PMIC_DA903X is not set
+CONFIG_PMIC_ADP5520=y
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+# CONFIG_FB_BOOT_VESA_SUPPORT is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_FOREIGN_ENDIAN is not set
+# CONFIG_FB_SYS_FOPS is not set
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_BFIN_T350MCQB is not set
+CONFIG_FB_BFIN_LQ035Q1=y
+# CONFIG_FB_BFIN_7393 is not set
+# CONFIG_FB_S1D13XXX is not set
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_FB_METRONOME is not set
+# CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+CONFIG_LCD_CLASS_DEVICE=m
+# CONFIG_LCD_LMS283GF05 is not set
+# CONFIG_LCD_LTV350QV is not set
+# CONFIG_LCD_ILI9320 is not set
+# CONFIG_LCD_TDO24M is not set
+# CONFIG_LCD_VGG2432A4 is not set
+# CONFIG_LCD_PLATFORM is not set
+CONFIG_BACKLIGHT_CLASS_DEVICE=m
+CONFIG_BACKLIGHT_GENERIC=m
+# CONFIG_BACKLIGHT_ADP5520 is not set
+# CONFIG_BACKLIGHT_ADP8870 is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+CONFIG_FRAMEBUFFER_CONSOLE=y
+# CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY is not set
+# CONFIG_FRAMEBUFFER_CONSOLE_ROTATION is not set
+# CONFIG_FONTS is not set
+CONFIG_FONT_8x8=y
+CONFIG_FONT_8x16=y
+CONFIG_LOGO=y
+# CONFIG_LOGO_LINUX_MONO is not set
+# CONFIG_LOGO_LINUX_VGA16 is not set
+# CONFIG_LOGO_LINUX_CLUT224 is not set
+# CONFIG_LOGO_BLACKFIN_VGA16 is not set
+CONFIG_LOGO_BLACKFIN_CLUT224=y
+CONFIG_SOUND=m
+# CONFIG_SOUND_OSS_CORE is not set
+CONFIG_SND=m
+CONFIG_SND_TIMER=m
+CONFIG_SND_PCM=m
+CONFIG_SND_JACK=y
+# CONFIG_SND_SEQUENCER is not set
+# CONFIG_SND_MIXER_OSS is not set
+# CONFIG_SND_PCM_OSS is not set
+# CONFIG_SND_DYNAMIC_MINORS is not set
+CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+# CONFIG_SND_RAWMIDI_SEQ is not set
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
+CONFIG_SND_DRIVERS=y
+# CONFIG_SND_DUMMY is not set
+# CONFIG_SND_MTPAV is not set
+# CONFIG_SND_SERIAL_U16550 is not set
+# CONFIG_SND_MPU401 is not set
+CONFIG_SND_SPI=y
+
+#
+# ALSA Blackfin devices
+#
+# CONFIG_SND_BFIN_AD73322 is not set
+CONFIG_SND_USB=y
+# CONFIG_SND_USB_AUDIO is not set
+# CONFIG_SND_USB_CAIAQ is not set
+CONFIG_SND_SOC=m
+CONFIG_SND_SOC_AC97_BUS=y
+CONFIG_SND_BF5XX_I2S=m
+CONFIG_SND_BF5XX_SOC_SSM2602=m
+# CONFIG_SND_BF5XX_SOC_AD73311 is not set
+# CONFIG_SND_BF5XX_SOC_ADAU1371 is not set
+# CONFIG_SND_BF5XX_SOC_ADAU1761 is not set
+# CONFIG_SND_BF5XX_TDM is not set
+CONFIG_SND_BF5XX_AC97=m
+CONFIG_SND_BF5XX_MMAP_SUPPORT=y
+# CONFIG_SND_BF5XX_MULTICHAN_SUPPORT is not set
+# CONFIG_SND_BF5XX_HAVE_COLD_RESET is not set
+CONFIG_SND_BF5XX_SOC_AD1980=m
+CONFIG_SND_BF5XX_SOC_SPORT=m
+CONFIG_SND_BF5XX_SOC_I2S=m
+CONFIG_SND_BF5XX_SOC_AC97=m
+CONFIG_SND_BF5XX_SPORT_NUM=0
+CONFIG_SND_SOC_I2C_AND_SPI=m
+# CONFIG_SND_SOC_ALL_CODECS is not set
+CONFIG_SND_SOC_AD1980=m
+CONFIG_SND_SOC_SSM2602=m
+# CONFIG_SOUND_PRIME is not set
+CONFIG_AC97_BUS=m
+CONFIG_HID_SUPPORT=y
+CONFIG_HID=y
+# CONFIG_HIDRAW is not set
+
+#
+# USB Input Devices
+#
+CONFIG_USB_HID=y
+# CONFIG_HID_PID is not set
+# CONFIG_USB_HIDDEV is not set
+
+#
+# Special HID drivers
+#
+CONFIG_HID_A4TECH=y
+CONFIG_HID_APPLE=y
+CONFIG_HID_BELKIN=y
+CONFIG_HID_CHERRY=y
+CONFIG_HID_CHICONY=y
+CONFIG_HID_CYPRESS=y
+# CONFIG_HID_DRAGONRISE is not set
+CONFIG_HID_EZKEY=y
+# CONFIG_HID_KYE is not set
+CONFIG_HID_GYRATION=y
+# CONFIG_HID_TWINHAN is not set
+# CONFIG_HID_KENSINGTON is not set
+CONFIG_HID_LOGITECH=y
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+CONFIG_HID_MICROSOFT=y
+CONFIG_HID_MONTEREY=y
+# CONFIG_HID_NTRIG is not set
+CONFIG_HID_PANTHERLORD=y
+# CONFIG_PANTHERLORD_FF is not set
+CONFIG_HID_PETALYNX=y
+CONFIG_HID_SAMSUNG=y
+CONFIG_HID_SONY=y
+CONFIG_HID_SUNPLUS=y
+# CONFIG_HID_GREENASIA is not set
+# CONFIG_HID_SMARTJOYPLUS is not set
+# CONFIG_HID_TOPSEED is not set
+# CONFIG_HID_THRUSTMASTER is not set
+# CONFIG_HID_ZEROPLUS is not set
+CONFIG_USB_SUPPORT=y
+CONFIG_USB_ARCH_HAS_HCD=y
+# CONFIG_USB_ARCH_HAS_OHCI is not set
+# CONFIG_USB_ARCH_HAS_EHCI is not set
+CONFIG_USB=y
+# CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
+
+#
+# Miscellaneous USB options
+#
+CONFIG_USB_DEVICEFS=y
+# CONFIG_USB_DEVICE_CLASS is not set
+# CONFIG_USB_DYNAMIC_MINORS is not set
+# CONFIG_USB_OTG is not set
+# CONFIG_USB_OTG_WHITELIST is not set
+CONFIG_USB_OTG_BLACKLIST_HUB=y
+CONFIG_USB_MON=y
+# CONFIG_USB_WUSB is not set
+# CONFIG_USB_WUSB_CBAF is not set
+
+#
+# USB Host Controller Drivers
+#
+# CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_OXU210HP_HCD is not set
+# CONFIG_USB_ISP116X_HCD is not set
+# CONFIG_USB_ISP1760_HCD is not set
+# CONFIG_USB_ISP1362_HCD is not set
+# CONFIG_USB_SL811_HCD is not set
+# CONFIG_USB_R8A66597_HCD is not set
+# CONFIG_USB_HWA_HCD is not set
+CONFIG_USB_MUSB_HDRC=y
+CONFIG_USB_MUSB_SOC=y
+
+#
+# Blackfin high speed USB Support
+#
+CONFIG_USB_MUSB_HOST=y
+# CONFIG_USB_MUSB_PERIPHERAL is not set
+# CONFIG_USB_MUSB_OTG is not set
+CONFIG_USB_MUSB_HDRC_HCD=y
+# CONFIG_MUSB_PIO_ONLY is not set
+CONFIG_USB_INVENTRA_DMA=y
+# CONFIG_USB_TI_CPPI_DMA is not set
+# CONFIG_USB_MUSB_DEBUG is not set
+
+#
+# USB Device Class drivers
+#
+# CONFIG_USB_ACM is not set
+# CONFIG_USB_PRINTER is not set
+# CONFIG_USB_WDM is not set
+# CONFIG_USB_TMC is not set
+
+#
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
+#
+
+#
+# also be needed; see USB_STORAGE Help for more info
+#
+CONFIG_USB_STORAGE=y
+# CONFIG_USB_STORAGE_DEBUG is not set
+# CONFIG_USB_STORAGE_DATAFAB is not set
+# CONFIG_USB_STORAGE_FREECOM is not set
+# CONFIG_USB_STORAGE_ISD200 is not set
+# CONFIG_USB_STORAGE_USBAT is not set
+# CONFIG_USB_STORAGE_SDDR09 is not set
+# CONFIG_USB_STORAGE_SDDR55 is not set
+# CONFIG_USB_STORAGE_JUMPSHOT is not set
+# CONFIG_USB_STORAGE_ALAUDA is not set
+# CONFIG_USB_STORAGE_ONETOUCH is not set
+# CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
+# CONFIG_USB_LIBUSUAL is not set
+
+#
+# USB Imaging devices
+#
+# CONFIG_USB_MDC800 is not set
+# CONFIG_USB_MICROTEK is not set
+
+#
+# USB port drivers
+#
+# CONFIG_USB_SERIAL is not set
+
+#
+# USB Miscellaneous drivers
+#
+# CONFIG_USB_EMI62 is not set
+# CONFIG_USB_EMI26 is not set
+# CONFIG_USB_ADUTUX is not set
+# CONFIG_USB_SEVSEG is not set
+# CONFIG_USB_RIO500 is not set
+# CONFIG_USB_LEGOTOWER is not set
+# CONFIG_USB_LCD is not set
+# CONFIG_USB_BERRY_CHARGE is not set
+# CONFIG_USB_LED is not set
+# CONFIG_USB_CYPRESS_CY7C63 is not set
+# CONFIG_USB_CYTHERM is not set
+# CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_FTDI_ELAN is not set
+# CONFIG_USB_APPLEDISPLAY is not set
+# CONFIG_USB_SISUSBVGA is not set
+# CONFIG_USB_LD is not set
+# CONFIG_USB_TRANCEVIBRATOR is not set
+# CONFIG_USB_IOWARRIOR is not set
+# CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
+# CONFIG_USB_VST is not set
+# CONFIG_USB_GADGET is not set
+
+#
+# OTG and related infrastructure
+#
+CONFIG_USB_OTG_UTILS=y
+# CONFIG_USB_GPIO_VBUS is not set
+CONFIG_NOP_USB_XCEIV=y
+# CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
+
+#
+# LED drivers
+#
+# CONFIG_LEDS_PCA9532 is not set
+# CONFIG_LEDS_GPIO is not set
+# CONFIG_LEDS_LP3944 is not set
+# CONFIG_LEDS_PCA955X is not set
+# CONFIG_LEDS_DAC124S085 is not set
+# CONFIG_LEDS_BD2802 is not set
+CONFIG_LEDS_ADP5520=y
+
+#
+# LED Triggers
+#
+# CONFIG_LEDS_TRIGGERS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_DS1390 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+CONFIG_RTC_DRV_BFIN=y
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# Firmware Drivers
+#
+# CONFIG_FIRMWARE_MEMMAP is not set
+# CONFIG_SIGMA is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=m
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+# CONFIG_DNOTIFY is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+CONFIG_ISO9660_FS=m
+CONFIG_JOLIET=y
+# CONFIG_ZISOFS is not set
+CONFIG_UDF_FS=m
+CONFIG_UDF_NLS=y
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=m
+# CONFIG_MSDOS_FS is not set
+CONFIG_VFAT_FS=m
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+CONFIG_MISC_FILESYSTEMS=y
+# CONFIG_ADFS_FS is not set
+# CONFIG_AFFS_FS is not set
+# CONFIG_HFS_FS is not set
+# CONFIG_HFSPLUS_FS is not set
+# CONFIG_BEFS_FS is not set
+# CONFIG_BFS_FS is not set
+# CONFIG_EFS_FS is not set
+CONFIG_JFFS2_FS=m
+CONFIG_JFFS2_FS_DEBUG=0
+CONFIG_JFFS2_FS_WRITEBUFFER=y
+# CONFIG_JFFS2_FS_WBUF_VERIFY is not set
+# CONFIG_JFFS2_SUMMARY is not set
+# CONFIG_JFFS2_FS_XATTR is not set
+# CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
+CONFIG_JFFS2_ZLIB=y
+# CONFIG_JFFS2_LZO is not set
+CONFIG_JFFS2_RTIME=y
+# CONFIG_JFFS2_RUBIN is not set
+# CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
+# CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_FS is not set
+# CONFIG_HPFS_FS is not set
+# CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
+# CONFIG_SYSV_FS is not set
+# CONFIG_UFS_FS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=m
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+# CONFIG_NFSD is not set
+CONFIG_LOCKD=m
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=m
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+CONFIG_SMB_FS=m
+# CONFIG_SMB_NLS_DEFAULT is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=y
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=m
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+CONFIG_NLS_CODEPAGE_936=m
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=m
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=m
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_SECTION_MISMATCH=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_SHIRQ=y
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_NOMMU_REGIONS is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_FRAME_POINTER is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_BRANCH_PROFILE_NONE is not set
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+# CONFIG_DEBUG_STACKOVERFLOW is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_VERBOSE=y
+CONFIG_DEBUG_MMRS=y
+CONFIG_DEBUG_HWERR=y
+CONFIG_EXACT_HWERR=y
+CONFIG_DEBUG_DOUBLEFAULT=y
+CONFIG_DEBUG_DOUBLEFAULT_PRINT=y
+# CONFIG_DEBUG_DOUBLEFAULT_RESET is not set
+# CONFIG_DEBUG_ICACHE_CHECK is not set
+CONFIG_DEBUG_HUNT_FOR_ZERO=y
+CONFIG_DEBUG_BFIN_HWTRACE_ON=y
+# CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_OFF is not set
+CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_ONE=y
+# CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_TWO is not set
+CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION=1
+# CONFIG_DEBUG_BFIN_HWTRACE_EXPAND is not set
+CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_CPLB_INFO=y
+CONFIG_ACCESS_CHECK=y
+# CONFIG_BFIN_ISRAM_SELF_TEST is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+CONFIG_SECURITY=y
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_NETWORK is not set
+# CONFIG_SECURITY_PATH is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_SECURITY_ROOTPLUG is not set
+# CONFIG_SECURITY_TOMOYO is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_MANAGER2 is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=m
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+CONFIG_CRC_ITU_T=m
+CONFIG_CRC32=y
+# CONFIG_CRC7 is not set
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_ZLIB_DEFLATE=m
+CONFIG_DECOMPRESS_GZIP=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/blackfin/configs/BF527-EZKIT_defconfig b/arch/blackfin/configs/BF527-EZKIT_defconfig
index 6d1a623fb149..edbb44d26bbf 100644
--- a/arch/blackfin/configs/BF527-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF527-EZKIT_defconfig
@@ -1,22 +1,27 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28.10
-# Thu May 21 05:50:01 2009
+# Linux kernel version: 2.6.32.2
 #
 # CONFIG_MMU is not set
 # CONFIG_FPU is not set
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
 CONFIG_BLACKFIN=y
+CONFIG_GENERIC_CSUM=y
+CONFIG_GENERIC_BUG=y
 CONFIG_ZONE_DMA=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
-CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_GPIO=y
 CONFIG_FORCE_MAX_ZONEORDER=14
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -26,22 +31,41 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_CGROUPS is not set
 # CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
 # CONFIG_SYSFS_DEPRECATED_V2 is not set
 # CONFIG_RELAY is not set
 # CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -62,6 +86,10 @@ CONFIG_EPOLL=y
 # CONFIG_TIMERFD is not set
 # CONFIG_EVENTFD is not set
 # CONFIG_AIO is not set
+
+#
+# Kernel Performance Events And Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
@@ -69,11 +97,15 @@ CONFIG_SLAB=y
 # CONFIG_SLOB is not set
 CONFIG_MMAP_ALLOW_UNINITIALIZED=y
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
-CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 # CONFIG_MODULE_FORCE_LOAD is not set
@@ -81,11 +113,8 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_KMOD=y
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_LSF is not set
+# CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -101,7 +130,6 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
-CONFIG_CLASSIC_RCU=y
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
@@ -132,29 +160,28 @@ CONFIG_BF527=y
 # CONFIG_BF537 is not set
 # CONFIG_BF538 is not set
 # CONFIG_BF539 is not set
-# CONFIG_BF542 is not set
+# CONFIG_BF542_std is not set
 # CONFIG_BF542M is not set
-# CONFIG_BF544 is not set
+# CONFIG_BF544_std is not set
 # CONFIG_BF544M is not set
-# CONFIG_BF547 is not set
+# CONFIG_BF547_std is not set
 # CONFIG_BF547M is not set
-# CONFIG_BF548 is not set
+# CONFIG_BF548_std is not set
 # CONFIG_BF548M is not set
-# CONFIG_BF549 is not set
+# CONFIG_BF549_std is not set
 # CONFIG_BF549M is not set
 # CONFIG_BF561 is not set
 CONFIG_BF_REV_MIN=0
 CONFIG_BF_REV_MAX=2
 # CONFIG_BF_REV_0_0 is not set
-# CONFIG_BF_REV_0_1 is not set
-CONFIG_BF_REV_0_2=y
+CONFIG_BF_REV_0_1=y
+# CONFIG_BF_REV_0_2 is not set
 # CONFIG_BF_REV_0_3 is not set
 # CONFIG_BF_REV_0_4 is not set
 # CONFIG_BF_REV_0_5 is not set
 # CONFIG_BF_REV_0_6 is not set
 # CONFIG_BF_REV_ANY is not set
 # CONFIG_BF_REV_NONE is not set
-CONFIG_BF52x=y
 CONFIG_MEM_MT48LC32M16A2TG_75=y
 CONFIG_IRQ_PLL_WAKEUP=7
 CONFIG_IRQ_DMA0_ERROR=7
@@ -200,7 +227,9 @@ CONFIG_IRQ_MEM_DMA1=13
 CONFIG_IRQ_WATCH=13
 CONFIG_IRQ_PORTF_INTA=13
 CONFIG_IRQ_PORTF_INTB=13
+CONFIG_BF52x=y
 CONFIG_BFIN527_EZKIT=y
+# CONFIG_BFIN527_EZKIT_V2 is not set
 # CONFIG_BFIN527_BLUETECHNIX_CM is not set
 # CONFIG_BFIN526_EZBRD is not set
 
@@ -318,7 +347,6 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_RESOURCES_64BIT is not set
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
@@ -327,16 +355,18 @@ CONFIG_BFIN_GPTIMERS=y
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set
 CONFIG_DMA_UNCACHED_1M=y
+# CONFIG_DMA_UNCACHED_512K is not set
+# CONFIG_DMA_UNCACHED_256K is not set
+# CONFIG_DMA_UNCACHED_128K is not set
 # CONFIG_DMA_UNCACHED_NONE is not set
 
 #
 # Cache Support
 #
 CONFIG_BFIN_ICACHE=y
-# CONFIG_BFIN_ICACHE_LOCK is not set
+CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_DCACHE=y
 # CONFIG_BFIN_DCACHE_BANKA is not set
-CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_EXTMEM_DCACHEABLE=y
 CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_BFIN_EXTMEM_WRITETHROUGH is not set
@@ -347,7 +377,7 @@ CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_MPU is not set
 
 #
-# Asynchonous Memory Configuration
+# Asynchronous Memory Configuration
 #
 
 #
@@ -403,11 +433,6 @@ CONFIG_NET=y
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
-CONFIG_XFRM=y
-# CONFIG_XFRM_USER is not set
-# CONFIG_XFRM_SUB_POLICY is not set
-# CONFIG_XFRM_MIGRATE is not set
-# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -431,7 +456,6 @@ CONFIG_IP_PNP=y
 # CONFIG_INET_XFRM_MODE_BEET is not set
 # CONFIG_INET_LRO is not set
 # CONFIG_INET_DIAG is not set
-CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
@@ -442,6 +466,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -455,7 +480,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
 
 #
 # Network testing
@@ -508,13 +536,8 @@ CONFIG_SIR_BFIN_DMA=y
 # CONFIG_MCS_FIR is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-# CONFIG_PHONET is not set
-CONFIG_WIRELESS=y
-# CONFIG_CFG80211 is not set
-CONFIG_WIRELESS_OLD_REGULATORY=y
-# CONFIG_WIRELESS_EXT is not set
-# CONFIG_MAC80211 is not set
-# CONFIG_IEEE80211 is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -535,6 +558,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
@@ -593,6 +617,7 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y
 # CONFIG_MTD_DATAFLASH is not set
 CONFIG_MTD_M25P80=y
 CONFIG_M25PXX_USE_FAST_READ=y
+# CONFIG_MTD_SST25L is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -608,11 +633,6 @@ CONFIG_MTD_NAND=m
 # CONFIG_MTD_NAND_VERIFY_WRITE is not set
 # CONFIG_MTD_NAND_ECC_SMC is not set
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
-CONFIG_MTD_NAND_BFIN=m
-CONFIG_BFIN_NAND_BASE=0x20212000
-CONFIG_BFIN_NAND_CLE=2
-CONFIG_BFIN_NAND_ALE=1
-CONFIG_BFIN_NAND_READY=3
 CONFIG_MTD_NAND_IDS=m
 # CONFIG_MTD_NAND_BF5XX is not set
 # CONFIG_MTD_NAND_DISKONCHIP is not set
@@ -622,6 +642,11 @@ CONFIG_MTD_NAND_IDS=m
 # CONFIG_MTD_ONENAND is not set
 
 #
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
@@ -639,10 +664,20 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
 # CONFIG_ATA_OVER_ETH is not set
 # CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
-# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_AD525X_DPOT is not set
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_ISL29003 is not set
 # CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT24 is not set
+# CONFIG_EEPROM_AT25 is not set
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_MAX6875 is not set
+# CONFIG_EEPROM_93CX6 is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
@@ -666,10 +701,6 @@ CONFIG_BLK_DEV_SR=m
 # CONFIG_BLK_DEV_SR_VENDOR is not set
 # CONFIG_CHR_DEV_SG is not set
 # CONFIG_CHR_DEV_SCH is not set
-
-#
-# Some SCSI devices (e.g. CD jukebox) support multiple LUNs
-#
 # CONFIG_SCSI_MULTI_LUN is not set
 # CONFIG_SCSI_CONSTANTS is not set
 # CONFIG_SCSI_LOGGING is not set
@@ -686,6 +717,7 @@ CONFIG_SCSI_WAIT_SCAN=m
 # CONFIG_SCSI_SRP_ATTRS is not set
 # CONFIG_SCSI_LOWLEVEL is not set
 # CONFIG_SCSI_DH is not set
+# CONFIG_SCSI_OSD_INITIATOR is not set
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
 CONFIG_NETDEVICES=y
@@ -710,6 +742,9 @@ CONFIG_PHYLIB=y
 # CONFIG_BROADCOM_PHY is not set
 # CONFIG_ICPLUS_PHY is not set
 # CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
 # CONFIG_FIXED_PHY is not set
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
@@ -720,9 +755,12 @@ CONFIG_BFIN_TX_DESC_NUM=10
 CONFIG_BFIN_RX_DESC_NUM=20
 CONFIG_BFIN_MAC_RMII=y
 # CONFIG_SMC91X is not set
-# CONFIG_SMSC911X is not set
 # CONFIG_DM9000 is not set
 # CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_ADF702X is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
@@ -731,15 +769,16 @@ CONFIG_BFIN_MAC_RMII=y
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
 
 #
-# Wireless LAN
+# Enable WiMAX (Networking options) to see the WiMAX drivers
 #
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
-# CONFIG_IWLWIFI_LEDS is not set
 
 #
 # USB Network Adapters
@@ -789,7 +828,11 @@ CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_YEALINK is not set
 # CONFIG_INPUT_CM109 is not set
 # CONFIG_INPUT_UINPUT is not set
-# CONFIG_CONFIG_INPUT_PCF8574 is not set
+# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
+# CONFIG_INPUT_BFIN_ROTARY is not set
+# CONFIG_INPUT_AD714X is not set
+# CONFIG_INPUT_ADXL34X is not set
+# CONFIG_INPUT_PCF8574 is not set
 
 #
 # Hardware I/O ports
@@ -800,16 +843,13 @@ CONFIG_INPUT_MISC=y
 #
 # Character devices
 #
-# CONFIG_AD9960 is not set
 CONFIG_BFIN_DMA_INTERFACE=m
 # CONFIG_BFIN_PPI is not set
 # CONFIG_BFIN_PPIFCD is not set
 # CONFIG_BFIN_SIMPLE_TIMER is not set
 # CONFIG_BFIN_SPI_ADC is not set
 CONFIG_BFIN_SPORT=m
-# CONFIG_BFIN_TIMER_LATENCY is not set
 # CONFIG_BFIN_TWI_LCD is not set
-CONFIG_SIMPLE_GPIO=m
 CONFIG_VT=y
 CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
@@ -827,6 +867,7 @@ CONFIG_BFIN_JTAG_COMM=m
 #
 # Non-8250 serial port support
 #
+# CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_BFIN=y
 CONFIG_SERIAL_BFIN_CONSOLE=y
 CONFIG_SERIAL_BFIN_DMA=y
@@ -838,14 +879,10 @@ CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_BFIN_SPORT is not set
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
 CONFIG_BFIN_OTP=y
 # CONFIG_BFIN_OTP_WRITE_ENABLE is not set
-
-#
-# CAN, the car bus and industrial fieldbus
-#
-# CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
 # CONFIG_HW_RANDOM is not set
 # CONFIG_R3964 is not set
@@ -853,6 +890,7 @@ CONFIG_BFIN_OTP=y
 # CONFIG_TCG_TPM is not set
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
 CONFIG_I2C_CHARDEV=m
 CONFIG_I2C_HELPER_AUTO=y
 
@@ -886,14 +924,6 @@ CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
-# CONFIG_EEPROM_AT24 is not set
-# CONFIG_SENSORS_AD5252 is not set
-# CONFIG_EEPROM_LEGACY is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_PCF8575 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
@@ -910,13 +940,18 @@ CONFIG_SPI_BFIN=y
 # CONFIG_SPI_BFIN_LOCK is not set
 # CONFIG_SPI_BFIN_SPORT is not set
 # CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
 
 #
 # SPI Protocol Masters
 #
-# CONFIG_EEPROM_AT25 is not set
 # CONFIG_SPI_SPIDEV is not set
 # CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
 CONFIG_GPIOLIB=y
 # CONFIG_DEBUG_GPIO is not set
@@ -932,6 +967,7 @@ CONFIG_GPIO_SYSFS=y
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
@@ -942,11 +978,15 @@ CONFIG_GPIO_SYSFS=y
 #
 # CONFIG_GPIO_MAX7301 is not set
 # CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -973,28 +1013,21 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_UCB1400_CORE is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
 # CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
 # CONFIG_REGULATOR is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-# CONFIG_DAB is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -1030,15 +1063,18 @@ CONFIG_FB_BFIN_T350MCQB=y
 # CONFIG_FB_VIRTUAL is not set
 # CONFIG_FB_METRONOME is not set
 # CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_LCD_CLASS_DEVICE=m
+# CONFIG_LCD_LMS283GF05 is not set
 CONFIG_LCD_LTV350QV=m
 # CONFIG_LCD_ILI9320 is not set
 # CONFIG_LCD_TDO24M is not set
 # CONFIG_LCD_VGG2432A4 is not set
 # CONFIG_LCD_PLATFORM is not set
 CONFIG_BACKLIGHT_CLASS_DEVICE=m
-# CONFIG_BACKLIGHT_CORGI is not set
+CONFIG_BACKLIGHT_GENERIC=m
+# CONFIG_BACKLIGHT_ADP8870 is not set
 
 #
 # Display device support
@@ -1066,6 +1102,7 @@ CONFIG_SOUND=m
 CONFIG_SND=m
 CONFIG_SND_TIMER=m
 CONFIG_SND_PCM=m
+CONFIG_SND_JACK=y
 # CONFIG_SND_SEQUENCER is not set
 # CONFIG_SND_MIXER_OSS is not set
 # CONFIG_SND_PCM_OSS is not set
@@ -1074,6 +1111,11 @@ CONFIG_SND_SUPPORT_OLD_API=y
 CONFIG_SND_VERBOSE_PROCFS=y
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
+# CONFIG_SND_RAWMIDI_SEQ is not set
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
 CONFIG_SND_DRIVERS=y
 # CONFIG_SND_DUMMY is not set
 # CONFIG_SND_MTPAV is not set
@@ -1084,7 +1126,6 @@ CONFIG_SND_SPI=y
 #
 # ALSA Blackfin devices
 #
-# CONFIG_SND_BLACKFIN_AD1836 is not set
 # CONFIG_SND_BFIN_AD73322 is not set
 CONFIG_SND_USB=y
 # CONFIG_SND_USB_AUDIO is not set
@@ -1094,15 +1135,19 @@ CONFIG_SND_SOC_AC97_BUS=y
 CONFIG_SND_BF5XX_I2S=m
 CONFIG_SND_BF5XX_SOC_SSM2602=m
 # CONFIG_SND_BF5XX_SOC_AD73311 is not set
+# CONFIG_SND_BF5XX_SOC_ADAU1371 is not set
+# CONFIG_SND_BF5XX_SOC_ADAU1761 is not set
+# CONFIG_SND_BF5XX_TDM is not set
 CONFIG_SND_BF5XX_AC97=m
 CONFIG_SND_BF5XX_MMAP_SUPPORT=y
 # CONFIG_SND_BF5XX_MULTICHAN_SUPPORT is not set
+# CONFIG_SND_BF5XX_HAVE_COLD_RESET is not set
+CONFIG_SND_BF5XX_SOC_AD1980=m
 CONFIG_SND_BF5XX_SOC_SPORT=m
 CONFIG_SND_BF5XX_SOC_I2S=m
 CONFIG_SND_BF5XX_SOC_AC97=m
-CONFIG_SND_BF5XX_SOC_AD1980=m
 CONFIG_SND_BF5XX_SPORT_NUM=0
-# CONFIG_SND_BF5XX_HAVE_COLD_RESET is not set
+CONFIG_SND_SOC_I2C_AND_SPI=m
 # CONFIG_SND_SOC_ALL_CODECS is not set
 CONFIG_SND_SOC_AD1980=m
 CONFIG_SND_SOC_SSM2602=m
@@ -1110,7 +1155,6 @@ CONFIG_SND_SOC_SSM2602=m
 CONFIG_AC97_BUS=m
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
-# CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
 
 #
@@ -1123,30 +1167,35 @@ CONFIG_USB_HID=y
 #
 # Special HID drivers
 #
-CONFIG_HID_COMPAT=y
 CONFIG_HID_A4TECH=y
 CONFIG_HID_APPLE=y
 CONFIG_HID_BELKIN=y
-CONFIG_HID_BRIGHT=y
 CONFIG_HID_CHERRY=y
 CONFIG_HID_CHICONY=y
 CONFIG_HID_CYPRESS=y
-CONFIG_HID_DELL=y
+# CONFIG_HID_DRAGONRISE is not set
 CONFIG_HID_EZKEY=y
+# CONFIG_HID_KYE is not set
 CONFIG_HID_GYRATION=y
+# CONFIG_HID_TWINHAN is not set
+# CONFIG_HID_KENSINGTON is not set
 CONFIG_HID_LOGITECH=y
 # CONFIG_LOGITECH_FF is not set
 # CONFIG_LOGIRUMBLEPAD2_FF is not set
 CONFIG_HID_MICROSOFT=y
 CONFIG_HID_MONTEREY=y
+# CONFIG_HID_NTRIG is not set
 CONFIG_HID_PANTHERLORD=y
 # CONFIG_PANTHERLORD_FF is not set
 CONFIG_HID_PETALYNX=y
 CONFIG_HID_SAMSUNG=y
 CONFIG_HID_SONY=y
 CONFIG_HID_SUNPLUS=y
-CONFIG_THRUSTMASTER_FF=m
-CONFIG_ZEROPLUS_FF=m
+# CONFIG_HID_GREENASIA is not set
+# CONFIG_HID_SMARTJOYPLUS is not set
+# CONFIG_HID_TOPSEED is not set
+# CONFIG_HID_THRUSTMASTER is not set
+# CONFIG_HID_ZEROPLUS is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
@@ -1172,6 +1221,7 @@ CONFIG_USB_MON=y
 # USB Host Controller Drivers
 #
 # CONFIG_USB_C67X00_HCD is not set
+# CONFIG_USB_OXU210HP_HCD is not set
 # CONFIG_USB_ISP116X_HCD is not set
 # CONFIG_USB_ISP1760_HCD is not set
 # CONFIG_USB_ISP1362_HCD is not set
@@ -1188,9 +1238,7 @@ CONFIG_USB_MUSB_HOST=y
 # CONFIG_USB_MUSB_PERIPHERAL is not set
 # CONFIG_USB_MUSB_OTG is not set
 CONFIG_USB_MUSB_HDRC_HCD=y
-# CONFIG_MUSB_PIO_ONLY is not set
-CONFIG_USB_INVENTRA_DMA=y
-# CONFIG_USB_TI_CPPI_DMA is not set
+CONFIG_MUSB_PIO_ONLY=y
 # CONFIG_USB_MUSB_DEBUG is not set
 
 #
@@ -1202,18 +1250,17 @@ CONFIG_USB_INVENTRA_DMA=y
 # CONFIG_USB_TMC is not set
 
 #
-# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed;
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
 #
 
 #
-# see USB_STORAGE Help for more information
+# also be needed; see USB_STORAGE Help for more info
 #
 CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_DEBUG is not set
 # CONFIG_USB_STORAGE_DATAFAB is not set
 # CONFIG_USB_STORAGE_FREECOM is not set
 # CONFIG_USB_STORAGE_ISD200 is not set
-# CONFIG_USB_STORAGE_DPCM is not set
 # CONFIG_USB_STORAGE_USBAT is not set
 # CONFIG_USB_STORAGE_SDDR09 is not set
 # CONFIG_USB_STORAGE_SDDR55 is not set
@@ -1249,7 +1296,6 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
-# CONFIG_USB_PHIDGET is not set
 # CONFIG_USB_IDMOUSE is not set
 # CONFIG_USB_FTDI_ELAN is not set
 # CONFIG_USB_APPLEDISPLAY is not set
@@ -1261,6 +1307,13 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_ISIGHTFW is not set
 # CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
+
+#
+# OTG and related infrastructure
+#
+CONFIG_USB_OTG_UTILS=y
+# CONFIG_USB_GPIO_VBUS is not set
+CONFIG_NOP_USB_XCEIV=y
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
@@ -1296,6 +1349,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_S35390A is not set
 # CONFIG_RTC_DRV_FM3130 is not set
 # CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
 
 #
 # SPI RTC drivers
@@ -1307,6 +1361,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_R9701 is not set
 # CONFIG_RTC_DRV_RS5C348 is not set
 # CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
 
 #
 # Platform RTC drivers
@@ -1327,10 +1382,21 @@ CONFIG_RTC_INTF_DEV=y
 #
 CONFIG_RTC_DRV_BFIN=y
 # CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
+# Firmware Drivers
+#
+# CONFIG_FIRMWARE_MEMMAP is not set
+# CONFIG_SIGMA is not set
+
+#
 # File systems
 #
 CONFIG_EXT2_FS=m
@@ -1340,9 +1406,13 @@ CONFIG_EXT2_FS=m
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -1352,6 +1422,11 @@ CONFIG_INOTIFY_USER=y
 # CONFIG_FUSE_FS is not set
 
 #
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
 # CD-ROM/DVD Filesystems
 #
 CONFIG_ISO9660_FS=m
@@ -1376,13 +1451,9 @@ CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 CONFIG_PROC_FS=y
 CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 # CONFIG_CONFIGFS_FS is not set
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_ADFS_FS is not set
 # CONFIG_AFFS_FS is not set
 # CONFIG_HFS_FS is not set
@@ -1401,17 +1472,8 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
-CONFIG_YAFFS_FS=m
-CONFIG_YAFFS_YAFFS1=y
-# CONFIG_YAFFS_9BYTE_TAGS is not set
-# CONFIG_YAFFS_DOES_ECC is not set
-CONFIG_YAFFS_YAFFS2=y
-CONFIG_YAFFS_AUTO_YAFFS2=y
-# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set
-# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set
-# CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set
-CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y
 # CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_OMFS_FS is not set
@@ -1430,7 +1492,6 @@ CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
-# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 CONFIG_SMB_FS=m
@@ -1445,7 +1506,7 @@ CONFIG_SMB_FS=m
 #
 # CONFIG_PARTITION_ADVANCED is not set
 CONFIG_MSDOS_PARTITION=y
-CONFIG_NLS=m
+CONFIG_NLS=y
 CONFIG_NLS_DEFAULT="iso8859-1"
 CONFIG_NLS_CODEPAGE_437=m
 # CONFIG_NLS_CODEPAGE_737 is not set
@@ -1495,14 +1556,19 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_SECTION_MISMATCH=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_SHIRQ=y
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
 CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
@@ -1510,31 +1576,39 @@ CONFIG_SCHED_DEBUG=y
 # CONFIG_DEBUG_SLAB is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_NOMMU_REGIONS is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_FRAME_POINTER is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
-
-#
-# Tracers
-#
-# CONFIG_SCHED_TRACER is not set
-# CONFIG_CONTEXT_SWITCH_TRACER is not set
-# CONFIG_BOOT_TRACER is not set
-# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_BRANCH_PROFILE_NONE is not set
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
@@ -1559,6 +1633,7 @@ CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_CPLB_INFO=y
 CONFIG_ACCESS_CHECK=y
+# CONFIG_BFIN_ISRAM_SELF_TEST is not set
 
 #
 # Security options
@@ -1567,15 +1642,15 @@ CONFIG_ACCESS_CHECK=y
 CONFIG_SECURITY=y
 # CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_NETWORK is not set
+# CONFIG_SECURITY_PATH is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
 # CONFIG_SECURITY_ROOTPLUG is not set
-CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=0
+# CONFIG_SECURITY_TOMOYO is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_MANAGER2 is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -1607,11 +1682,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
@@ -1648,6 +1725,7 @@ CONFIG_CRYPTO=y
 # Compression
 #
 # CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
 # CONFIG_CRYPTO_LZO is not set
 
 #
@@ -1655,11 +1733,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_CRC_CCITT=m
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
@@ -1669,6 +1749,8 @@ CONFIG_CRC32=y
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
+CONFIG_DECOMPRESS_GZIP=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/blackfin/configs/BF533-EZKIT_defconfig b/arch/blackfin/configs/BF533-EZKIT_defconfig
index 50f9a23ccdbd..0b13d5836a48 100644
--- a/arch/blackfin/configs/BF533-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF533-EZKIT_defconfig
@@ -1,22 +1,27 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28.10
-# Thu May 21 05:50:01 2009
+# Linux kernel version: 2.6.32.2
 #
 # CONFIG_MMU is not set
 # CONFIG_FPU is not set
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
 CONFIG_BLACKFIN=y
+CONFIG_GENERIC_CSUM=y
+CONFIG_GENERIC_BUG=y
 CONFIG_ZONE_DMA=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
-CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_GPIO=y
 CONFIG_FORCE_MAX_ZONEORDER=14
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -26,22 +31,41 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_CGROUPS is not set
 # CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
 # CONFIG_SYSFS_DEPRECATED_V2 is not set
 # CONFIG_RELAY is not set
 # CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -62,6 +86,10 @@ CONFIG_EPOLL=y
 # CONFIG_TIMERFD is not set
 # CONFIG_EVENTFD is not set
 # CONFIG_AIO is not set
+
+#
+# Kernel Performance Events And Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
@@ -69,11 +97,15 @@ CONFIG_SLAB=y
 # CONFIG_SLOB is not set
 CONFIG_MMAP_ALLOW_UNINITIALIZED=y
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
-CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 # CONFIG_MODULE_FORCE_LOAD is not set
@@ -81,11 +113,8 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_KMOD=y
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_LSF is not set
+# CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -101,7 +130,6 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
-CONFIG_CLASSIC_RCU=y
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
@@ -132,15 +160,15 @@ CONFIG_BF533=y
 # CONFIG_BF537 is not set
 # CONFIG_BF538 is not set
 # CONFIG_BF539 is not set
-# CONFIG_BF542 is not set
+# CONFIG_BF542_std is not set
 # CONFIG_BF542M is not set
-# CONFIG_BF544 is not set
+# CONFIG_BF544_std is not set
 # CONFIG_BF544M is not set
-# CONFIG_BF547 is not set
+# CONFIG_BF547_std is not set
 # CONFIG_BF547M is not set
-# CONFIG_BF548 is not set
+# CONFIG_BF548_std is not set
 # CONFIG_BF548M is not set
-# CONFIG_BF549 is not set
+# CONFIG_BF549_std is not set
 # CONFIG_BF549M is not set
 # CONFIG_BF561 is not set
 CONFIG_BF_REV_MIN=3
@@ -228,7 +256,7 @@ CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 # CONFIG_TICKSOURCE_GPTMR0 is not set
 CONFIG_TICKSOURCE_CORETMR=y
-# CONFIG_CYCLES_CLOCKSOURCE is not set
+CONFIG_CYCLES_CLOCKSOURCE=y
 # CONFIG_GPTMR0_CLOCKSOURCE is not set
 CONFIG_TICK_ONESHOT=y
 # CONFIG_NO_HZ is not set
@@ -280,7 +308,6 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_RESOURCES_64BIT is not set
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
@@ -289,19 +316,18 @@ CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set
 CONFIG_DMA_UNCACHED_1M=y
+# CONFIG_DMA_UNCACHED_512K is not set
+# CONFIG_DMA_UNCACHED_256K is not set
+# CONFIG_DMA_UNCACHED_128K is not set
 # CONFIG_DMA_UNCACHED_NONE is not set
 
 #
 # Cache Support
 #
-#
-# Cache Support
-#
 CONFIG_BFIN_ICACHE=y
-# CONFIG_BFIN_ICACHE_LOCK is not set
+CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_DCACHE=y
 # CONFIG_BFIN_DCACHE_BANKA is not set
-CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_EXTMEM_DCACHEABLE=y
 CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_BFIN_EXTMEM_WRITETHROUGH is not set
@@ -312,7 +338,7 @@ CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_MPU is not set
 
 #
-# Asynchonous Memory Configuration
+# Asynchronous Memory Configuration
 #
 
 #
@@ -358,6 +384,7 @@ CONFIG_PM=y
 CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
+# CONFIG_PM_RUNTIME is not set
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_PM_BFIN_SLEEP_DEEPER=y
 # CONFIG_PM_BFIN_SLEEP is not set
@@ -379,11 +406,6 @@ CONFIG_NET=y
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
-CONFIG_XFRM=y
-# CONFIG_XFRM_USER is not set
-# CONFIG_XFRM_SUB_POLICY is not set
-# CONFIG_XFRM_MIGRATE is not set
-# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -407,7 +429,6 @@ CONFIG_IP_PNP=y
 # CONFIG_INET_XFRM_MODE_BEET is not set
 # CONFIG_INET_LRO is not set
 # CONFIG_INET_DIAG is not set
-CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
@@ -418,6 +439,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -431,7 +453,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
 
 #
 # Network testing
@@ -475,13 +500,8 @@ CONFIG_IRTTY_SIR=m
 #
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-# CONFIG_PHONET is not set
-CONFIG_WIRELESS=y
-# CONFIG_CFG80211 is not set
-CONFIG_WIRELESS_OLD_REGULATORY=y
-# CONFIG_WIRELESS_EXT is not set
-# CONFIG_MAC80211 is not set
-# CONFIG_IEEE80211 is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -502,6 +522,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
@@ -559,6 +580,7 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y
 #
 # CONFIG_MTD_DATAFLASH is not set
 # CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SST25L is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -574,6 +596,11 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y
 # CONFIG_MTD_ONENAND is not set
 
 #
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
@@ -590,9 +617,14 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
 # CONFIG_ATA_OVER_ETH is not set
 # CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
-# CONFIG_EEPROM_93CX6 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT25 is not set
+# CONFIG_EEPROM_93CX6 is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
@@ -616,9 +648,12 @@ CONFIG_NETDEVICES=y
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 CONFIG_SMC91X=y
-# CONFIG_SMSC911X is not set
 # CONFIG_DM9000 is not set
 # CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_ADF702X is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
@@ -627,15 +662,16 @@ CONFIG_SMC91X=y
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
 
 #
-# Wireless LAN
+# Enable WiMAX (Networking options) to see the WiMAX drivers
 #
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
-# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
@@ -679,15 +715,12 @@ CONFIG_INPUT_EVDEV=m
 #
 # Character devices
 #
-# CONFIG_AD9960 is not set
 CONFIG_BFIN_DMA_INTERFACE=m
 # CONFIG_BFIN_PPI is not set
 # CONFIG_BFIN_PPIFCD is not set
 # CONFIG_BFIN_SIMPLE_TIMER is not set
 # CONFIG_BFIN_SPI_ADC is not set
 CONFIG_BFIN_SPORT=y
-# CONFIG_BFIN_TIMER_LATENCY is not set
-CONFIG_SIMPLE_GPIO=m
 # CONFIG_VT is not set
 # CONFIG_DEVKMEM is not set
 CONFIG_BFIN_JTAG_COMM=m
@@ -701,6 +734,7 @@ CONFIG_BFIN_JTAG_COMM=m
 #
 # Non-8250 serial port support
 #
+# CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_BFIN=y
 CONFIG_SERIAL_BFIN_CONSOLE=y
 CONFIG_SERIAL_BFIN_DMA=y
@@ -711,12 +745,8 @@ CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_BFIN_SPORT is not set
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
-
-#
-# CAN, the car bus and industrial fieldbus
-#
-# CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
 # CONFIG_HW_RANDOM is not set
 # CONFIG_R3964 is not set
@@ -734,13 +764,18 @@ CONFIG_SPI_BFIN=y
 # CONFIG_SPI_BFIN_LOCK is not set
 # CONFIG_SPI_BFIN_SPORT is not set
 # CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
 
 #
 # SPI Protocol Masters
 #
-# CONFIG_EEPROM_AT25 is not set
 # CONFIG_SPI_SPIDEV is not set
 # CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
 CONFIG_GPIOLIB=y
 # CONFIG_DEBUG_GPIO is not set
@@ -753,9 +788,6 @@ CONFIG_GPIO_SYSFS=y
 #
 # I2C GPIO expanders:
 #
-# CONFIG_GPIO_MAX732X is not set
-# CONFIG_GPIO_PCA953X is not set
-# CONFIG_GPIO_PCF857X is not set
 
 #
 # PCI GPIO expanders:
@@ -766,11 +798,15 @@ CONFIG_GPIO_SYSFS=y
 #
 # CONFIG_GPIO_MAX7301 is not set
 # CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -793,23 +829,10 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_EZX_PCAP is not set
 # CONFIG_REGULATOR is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-# CONFIG_DAB is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -826,14 +849,12 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_SOUND is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=m
-# CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
 # CONFIG_HID_PID is not set
 
 #
 # Special HID drivers
 #
-CONFIG_HID_COMPAT=y
 # CONFIG_USB_SUPPORT is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -864,6 +885,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_R9701 is not set
 # CONFIG_RTC_DRV_RS5C348 is not set
 # CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
 
 #
 # Platform RTC drivers
@@ -884,10 +906,20 @@ CONFIG_RTC_INTF_DEV=y
 #
 CONFIG_RTC_DRV_BFIN=y
 # CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
+# Firmware Drivers
+#
+# CONFIG_FIRMWARE_MEMMAP is not set
+
+#
 # File systems
 #
 # CONFIG_EXT2_FS is not set
@@ -896,9 +928,13 @@ CONFIG_RTC_DRV_BFIN=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -908,6 +944,11 @@ CONFIG_INOTIFY_USER=y
 # CONFIG_FUSE_FS is not set
 
 #
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
 # CD-ROM/DVD Filesystems
 #
 # CONFIG_ISO9660_FS is not set
@@ -926,13 +967,9 @@ CONFIG_INOTIFY_USER=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 # CONFIG_CONFIGFS_FS is not set
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_ADFS_FS is not set
 # CONFIG_AFFS_FS is not set
 # CONFIG_HFS_FS is not set
@@ -951,17 +988,8 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
-CONFIG_YAFFS_FS=m
-CONFIG_YAFFS_YAFFS1=y
-# CONFIG_YAFFS_9BYTE_TAGS is not set
-# CONFIG_YAFFS_DOES_ECC is not set
-CONFIG_YAFFS_YAFFS2=y
-CONFIG_YAFFS_AUTO_YAFFS2=y
-# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set
-# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set
-# CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set
-CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y
 # CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_OMFS_FS is not set
@@ -980,7 +1008,6 @@ CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
-# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 CONFIG_SMB_FS=m
@@ -1045,14 +1072,19 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_SECTION_MISMATCH=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_SHIRQ=y
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
 CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
@@ -1060,31 +1092,39 @@ CONFIG_SCHED_DEBUG=y
 # CONFIG_DEBUG_SLAB is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_NOMMU_REGIONS is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_FRAME_POINTER is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
-
-#
-# Tracers
-#
-# CONFIG_SCHED_TRACER is not set
-# CONFIG_CONTEXT_SWITCH_TRACER is not set
-# CONFIG_BOOT_TRACER is not set
-# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_BRANCH_PROFILE_NONE is not set
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
@@ -1109,6 +1149,7 @@ CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_CPLB_INFO=y
 CONFIG_ACCESS_CHECK=y
+# CONFIG_BFIN_ISRAM_SELF_TEST is not set
 
 #
 # Security options
@@ -1117,14 +1158,14 @@ CONFIG_ACCESS_CHECK=y
 CONFIG_SECURITY=y
 # CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_NETWORK is not set
+# CONFIG_SECURITY_PATH is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
-CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=0
+# CONFIG_SECURITY_TOMOYO is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_MANAGER2 is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -1156,11 +1197,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
@@ -1197,6 +1240,7 @@ CONFIG_CRYPTO=y
 # Compression
 #
 # CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
 # CONFIG_CRYPTO_LZO is not set
 
 #
@@ -1204,11 +1248,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_CRC_CCITT=m
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
@@ -1218,6 +1264,8 @@ CONFIG_CRC32=y
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
+CONFIG_DECOMPRESS_GZIP=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/blackfin/configs/BF533-STAMP_defconfig b/arch/blackfin/configs/BF533-STAMP_defconfig
index 6c60c8286318..c3fe6e5b612f 100644
--- a/arch/blackfin/configs/BF533-STAMP_defconfig
+++ b/arch/blackfin/configs/BF533-STAMP_defconfig
@@ -1,22 +1,27 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28.10
-# Thu May 21 05:50:01 2009
+# Linux kernel version: 2.6.32.2
 #
 # CONFIG_MMU is not set
 # CONFIG_FPU is not set
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
 CONFIG_BLACKFIN=y
+CONFIG_GENERIC_CSUM=y
+CONFIG_GENERIC_BUG=y
 CONFIG_ZONE_DMA=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
-CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_GPIO=y
 CONFIG_FORCE_MAX_ZONEORDER=14
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -26,22 +31,41 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_CGROUPS is not set
 # CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
 # CONFIG_SYSFS_DEPRECATED_V2 is not set
 # CONFIG_RELAY is not set
 # CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -62,6 +86,10 @@ CONFIG_EPOLL=y
 # CONFIG_TIMERFD is not set
 # CONFIG_EVENTFD is not set
 # CONFIG_AIO is not set
+
+#
+# Kernel Performance Events And Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
@@ -69,11 +97,15 @@ CONFIG_SLAB=y
 # CONFIG_SLOB is not set
 CONFIG_MMAP_ALLOW_UNINITIALIZED=y
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
-CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 # CONFIG_MODULE_FORCE_LOAD is not set
@@ -81,11 +113,8 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_KMOD=y
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_LSF is not set
+# CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -101,7 +130,6 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
-CONFIG_CLASSIC_RCU=y
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
@@ -132,15 +160,15 @@ CONFIG_BF533=y
 # CONFIG_BF537 is not set
 # CONFIG_BF538 is not set
 # CONFIG_BF539 is not set
-# CONFIG_BF542 is not set
+# CONFIG_BF542_std is not set
 # CONFIG_BF542M is not set
-# CONFIG_BF544 is not set
+# CONFIG_BF544_std is not set
 # CONFIG_BF544M is not set
-# CONFIG_BF547 is not set
+# CONFIG_BF547_std is not set
 # CONFIG_BF547M is not set
-# CONFIG_BF548 is not set
+# CONFIG_BF548_std is not set
 # CONFIG_BF548M is not set
-# CONFIG_BF549 is not set
+# CONFIG_BF549_std is not set
 # CONFIG_BF549M is not set
 # CONFIG_BF561 is not set
 CONFIG_BF_REV_MIN=3
@@ -228,7 +256,7 @@ CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 # CONFIG_TICKSOURCE_GPTMR0 is not set
 CONFIG_TICKSOURCE_CORETMR=y
-# CONFIG_CYCLES_CLOCKSOURCE is not set
+CONFIG_CYCLES_CLOCKSOURCE=y
 # CONFIG_GPTMR0_CLOCKSOURCE is not set
 CONFIG_TICK_ONESHOT=y
 # CONFIG_NO_HZ is not set
@@ -280,7 +308,6 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_RESOURCES_64BIT is not set
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
@@ -289,16 +316,18 @@ CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set
 CONFIG_DMA_UNCACHED_1M=y
+# CONFIG_DMA_UNCACHED_512K is not set
+# CONFIG_DMA_UNCACHED_256K is not set
+# CONFIG_DMA_UNCACHED_128K is not set
 # CONFIG_DMA_UNCACHED_NONE is not set
 
 #
 # Cache Support
 #
 CONFIG_BFIN_ICACHE=y
-# CONFIG_BFIN_ICACHE_LOCK is not set
+CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_DCACHE=y
 # CONFIG_BFIN_DCACHE_BANKA is not set
-CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_EXTMEM_DCACHEABLE=y
 CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_BFIN_EXTMEM_WRITETHROUGH is not set
@@ -309,7 +338,7 @@ CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_MPU is not set
 
 #
-# Asynchonous Memory Configuration
+# Asynchronous Memory Configuration
 #
 
 #
@@ -355,6 +384,7 @@ CONFIG_PM=y
 CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
+# CONFIG_PM_RUNTIME is not set
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_PM_BFIN_SLEEP_DEEPER=y
 # CONFIG_PM_BFIN_SLEEP is not set
@@ -376,11 +406,6 @@ CONFIG_NET=y
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
-CONFIG_XFRM=y
-# CONFIG_XFRM_USER is not set
-# CONFIG_XFRM_SUB_POLICY is not set
-# CONFIG_XFRM_MIGRATE is not set
-# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -404,7 +429,6 @@ CONFIG_IP_PNP=y
 # CONFIG_INET_XFRM_MODE_BEET is not set
 # CONFIG_INET_LRO is not set
 # CONFIG_INET_DIAG is not set
-CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
@@ -415,6 +439,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -428,7 +453,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
 
 #
 # Network testing
@@ -474,13 +502,8 @@ CONFIG_SIR_BFIN_DMA=y
 #
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-# CONFIG_PHONET is not set
-CONFIG_WIRELESS=y
-# CONFIG_CFG80211 is not set
-CONFIG_WIRELESS_OLD_REGULATORY=y
-# CONFIG_WIRELESS_EXT is not set
-# CONFIG_MAC80211 is not set
-# CONFIG_IEEE80211 is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -501,6 +524,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
@@ -560,6 +584,7 @@ CONFIG_MTD_BFIN_ASYNC=m
 #
 # CONFIG_MTD_DATAFLASH is not set
 # CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SST25L is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -575,6 +600,11 @@ CONFIG_MTD_BFIN_ASYNC=m
 # CONFIG_MTD_ONENAND is not set
 
 #
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
@@ -591,10 +621,20 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
 # CONFIG_ATA_OVER_ETH is not set
 # CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
-# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_AD525X_DPOT is not set
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_ISL29003 is not set
 # CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT24 is not set
+# CONFIG_EEPROM_AT25 is not set
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_MAX6875 is not set
+# CONFIG_EEPROM_93CX6 is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
@@ -618,9 +658,12 @@ CONFIG_NETDEVICES=y
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 CONFIG_SMC91X=y
-# CONFIG_SMSC911X is not set
 # CONFIG_DM9000 is not set
 # CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_ADF702X is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
@@ -629,15 +672,16 @@ CONFIG_SMC91X=y
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
 
 #
-# Wireless LAN
+# Enable WiMAX (Networking options) to see the WiMAX drivers
 #
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
-# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
@@ -672,7 +716,10 @@ CONFIG_INPUT_EVDEV=m
 # CONFIG_INPUT_TOUCHSCREEN is not set
 CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_UINPUT is not set
-CONFIG_CONFIG_INPUT_PCF8574=m
+# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
+# CONFIG_INPUT_AD714X is not set
+# CONFIG_INPUT_ADXL34X is not set
+# CONFIG_INPUT_PCF8574 is not set
 
 #
 # Hardware I/O ports
@@ -683,16 +730,13 @@ CONFIG_CONFIG_INPUT_PCF8574=m
 #
 # Character devices
 #
-# CONFIG_AD9960 is not set
 CONFIG_BFIN_DMA_INTERFACE=m
 # CONFIG_BFIN_PPI is not set
 # CONFIG_BFIN_PPIFCD is not set
 # CONFIG_BFIN_SIMPLE_TIMER is not set
 # CONFIG_BFIN_SPI_ADC is not set
 CONFIG_BFIN_SPORT=m
-# CONFIG_BFIN_TIMER_LATENCY is not set
 # CONFIG_BFIN_TWI_LCD is not set
-CONFIG_SIMPLE_GPIO=m
 # CONFIG_VT is not set
 # CONFIG_DEVKMEM is not set
 CONFIG_BFIN_JTAG_COMM=m
@@ -706,6 +750,7 @@ CONFIG_BFIN_JTAG_COMM=m
 #
 # Non-8250 serial port support
 #
+# CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_BFIN=y
 CONFIG_SERIAL_BFIN_CONSOLE=y
 CONFIG_SERIAL_BFIN_DMA=y
@@ -716,12 +761,8 @@ CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_BFIN_SPORT is not set
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
-
-#
-# CAN, the car bus and industrial fieldbus
-#
-# CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
 # CONFIG_HW_RANDOM is not set
 # CONFIG_R3964 is not set
@@ -729,6 +770,7 @@ CONFIG_UNIX98_PTYS=y
 # CONFIG_TCG_TPM is not set
 CONFIG_I2C=m
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
 CONFIG_I2C_CHARDEV=m
 CONFIG_I2C_HELPER_AUTO=y
 
@@ -759,14 +801,6 @@ CONFIG_I2C_HELPER_AUTO=y
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
-# CONFIG_EEPROM_AT24 is not set
-# CONFIG_SENSORS_AD5252 is not set
-# CONFIG_EEPROM_LEGACY is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_PCF8575 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
@@ -783,13 +817,18 @@ CONFIG_SPI_BFIN=y
 # CONFIG_SPI_BFIN_LOCK is not set
 # CONFIG_SPI_BFIN_SPORT is not set
 # CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
 
 #
 # SPI Protocol Masters
 #
-# CONFIG_EEPROM_AT25 is not set
 # CONFIG_SPI_SPIDEV is not set
 # CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
 CONFIG_GPIOLIB=y
 # CONFIG_DEBUG_GPIO is not set
@@ -805,6 +844,7 @@ CONFIG_GPIO_SYSFS=y
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
@@ -815,11 +855,15 @@ CONFIG_GPIO_SYSFS=y
 #
 # CONFIG_GPIO_MAX7301 is not set
 # CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -841,26 +885,18 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_UCB1400_CORE is not set
+# CONFIG_TPS65010 is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
 # CONFIG_REGULATOR is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-# CONFIG_DAB is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -904,6 +940,7 @@ CONFIG_ADV7393_1XMEM=y
 # CONFIG_FB_VIRTUAL is not set
 # CONFIG_FB_METRONOME is not set
 # CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -913,19 +950,27 @@ CONFIG_ADV7393_1XMEM=y
 # CONFIG_LOGO is not set
 CONFIG_SOUND=m
 CONFIG_SOUND_OSS_CORE=y
+CONFIG_SOUND_OSS_CORE_PRECLAIM=y
 CONFIG_SND=m
 CONFIG_SND_TIMER=m
 CONFIG_SND_PCM=m
+CONFIG_SND_JACK=y
 # CONFIG_SND_SEQUENCER is not set
 CONFIG_SND_OSSEMUL=y
 CONFIG_SND_MIXER_OSS=m
 CONFIG_SND_PCM_OSS=m
 CONFIG_SND_PCM_OSS_PLUGINS=y
+# CONFIG_SND_HRTIMER is not set
 # CONFIG_SND_DYNAMIC_MINORS is not set
 CONFIG_SND_SUPPORT_OLD_API=y
 CONFIG_SND_VERBOSE_PROCFS=y
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
+# CONFIG_SND_RAWMIDI_SEQ is not set
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
 CONFIG_SND_DRIVERS=y
 # CONFIG_SND_DUMMY is not set
 # CONFIG_SND_MTPAV is not set
@@ -936,13 +981,6 @@ CONFIG_SND_SPI=y
 #
 # ALSA Blackfin devices
 #
-CONFIG_SND_BLACKFIN_AD1836=m
-CONFIG_SND_BLACKFIN_AD1836_TDM=y
-# CONFIG_SND_BLACKFIN_AD1836_I2S is not set
-CONFIG_SND_BLACKFIN_AD1836_MULSUB=y
-# CONFIG_SND_BLACKFIN_AD1836_5P1 is not set
-CONFIG_SND_BLACKFIN_SPORT=0
-CONFIG_SND_BLACKFIN_SPI_PFBIT=4
 CONFIG_SND_BFIN_SPORT=0
 CONFIG_SND_BFIN_AD73322=m
 CONFIG_SND_BFIN_AD73322_SPORT0_SE=10
@@ -953,16 +991,20 @@ CONFIG_SND_SOC_AC97_BUS=y
 CONFIG_SND_BF5XX_I2S=m
 # CONFIG_SND_BF5XX_SOC_SSM2602 is not set
 CONFIG_SND_BF5XX_SOC_AD73311=m
+# CONFIG_SND_BF5XX_SOC_ADAU1371 is not set
+# CONFIG_SND_BF5XX_SOC_ADAU1761 is not set
 CONFIG_SND_BFIN_AD73311_SE=4
+# CONFIG_SND_BF5XX_TDM is not set
 CONFIG_SND_BF5XX_AC97=m
 CONFIG_SND_BF5XX_MMAP_SUPPORT=y
 # CONFIG_SND_BF5XX_MULTICHAN_SUPPORT is not set
+# CONFIG_SND_BF5XX_HAVE_COLD_RESET is not set
+CONFIG_SND_BF5XX_SOC_AD1980=m
 CONFIG_SND_BF5XX_SOC_SPORT=m
 CONFIG_SND_BF5XX_SOC_I2S=m
 CONFIG_SND_BF5XX_SOC_AC97=m
-CONFIG_SND_BF5XX_SOC_AD1980=m
 CONFIG_SND_BF5XX_SPORT_NUM=0
-# CONFIG_SND_BF5XX_HAVE_COLD_RESET is not set
+CONFIG_SND_SOC_I2C_AND_SPI=m
 # CONFIG_SND_SOC_ALL_CODECS is not set
 CONFIG_SND_SOC_AD1980=m
 CONFIG_SND_SOC_AD73311=m
@@ -970,14 +1012,12 @@ CONFIG_SND_SOC_AD73311=m
 CONFIG_AC97_BUS=m
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
-# CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
 # CONFIG_HID_PID is not set
 
 #
 # Special HID drivers
 #
-CONFIG_HID_COMPAT=y
 # CONFIG_USB_SUPPORT is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -1014,6 +1054,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_S35390A is not set
 # CONFIG_RTC_DRV_FM3130 is not set
 # CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
 
 #
 # SPI RTC drivers
@@ -1025,6 +1066,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_R9701 is not set
 # CONFIG_RTC_DRV_RS5C348 is not set
 # CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
 
 #
 # Platform RTC drivers
@@ -1045,10 +1087,21 @@ CONFIG_RTC_INTF_DEV=y
 #
 CONFIG_RTC_DRV_BFIN=y
 # CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
+# Firmware Drivers
+#
+# CONFIG_FIRMWARE_MEMMAP is not set
+# CONFIG_SIGMA is not set
+
+#
 # File systems
 #
 # CONFIG_EXT2_FS is not set
@@ -1057,9 +1110,13 @@ CONFIG_RTC_DRV_BFIN=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -1069,6 +1126,11 @@ CONFIG_INOTIFY_USER=y
 # CONFIG_FUSE_FS is not set
 
 #
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
 # CD-ROM/DVD Filesystems
 #
 # CONFIG_ISO9660_FS is not set
@@ -1087,13 +1149,9 @@ CONFIG_INOTIFY_USER=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 # CONFIG_CONFIGFS_FS is not set
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_ADFS_FS is not set
 # CONFIG_AFFS_FS is not set
 # CONFIG_HFS_FS is not set
@@ -1112,17 +1170,8 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
-CONFIG_YAFFS_FS=m
-CONFIG_YAFFS_YAFFS1=y
-# CONFIG_YAFFS_9BYTE_TAGS is not set
-# CONFIG_YAFFS_DOES_ECC is not set
-CONFIG_YAFFS_YAFFS2=y
-CONFIG_YAFFS_AUTO_YAFFS2=y
-# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set
-# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set
-# CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set
-CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y
 # CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_OMFS_FS is not set
@@ -1141,7 +1190,6 @@ CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
-# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 CONFIG_SMB_FS=m
@@ -1206,14 +1254,19 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_SECTION_MISMATCH=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_SHIRQ=y
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
 CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
@@ -1221,31 +1274,39 @@ CONFIG_SCHED_DEBUG=y
 # CONFIG_DEBUG_SLAB is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_NOMMU_REGIONS is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_FRAME_POINTER is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
-
-#
-# Tracers
-#
-# CONFIG_SCHED_TRACER is not set
-# CONFIG_CONTEXT_SWITCH_TRACER is not set
-# CONFIG_BOOT_TRACER is not set
-# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_BRANCH_PROFILE_NONE is not set
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
@@ -1270,6 +1331,7 @@ CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_CPLB_INFO=y
 CONFIG_ACCESS_CHECK=y
+# CONFIG_BFIN_ISRAM_SELF_TEST is not set
 
 #
 # Security options
@@ -1278,14 +1340,14 @@ CONFIG_ACCESS_CHECK=y
 CONFIG_SECURITY=y
 # CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_NETWORK is not set
+# CONFIG_SECURITY_PATH is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
-CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=0
+# CONFIG_SECURITY_TOMOYO is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_MANAGER2 is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -1317,11 +1379,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
@@ -1358,6 +1422,7 @@ CONFIG_CRYPTO=y
 # Compression
 #
 # CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
 # CONFIG_CRYPTO_LZO is not set
 
 #
@@ -1365,11 +1430,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_CRC_CCITT=m
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
@@ -1379,6 +1446,8 @@ CONFIG_CRC32=y
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
+CONFIG_DECOMPRESS_GZIP=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/blackfin/configs/BF537-STAMP_defconfig b/arch/blackfin/configs/BF537-STAMP_defconfig
index 2908595b67c5..7596cf7673f1 100644
--- a/arch/blackfin/configs/BF537-STAMP_defconfig
+++ b/arch/blackfin/configs/BF537-STAMP_defconfig
@@ -1,22 +1,27 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28.10
-# Thu May 21 05:50:01 2009
+# Linux kernel version: 2.6.32.2
 #
 # CONFIG_MMU is not set
 # CONFIG_FPU is not set
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
 CONFIG_BLACKFIN=y
+CONFIG_GENERIC_CSUM=y
+CONFIG_GENERIC_BUG=y
 CONFIG_ZONE_DMA=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
-CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_GPIO=y
 CONFIG_FORCE_MAX_ZONEORDER=14
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -26,22 +31,41 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_CGROUPS is not set
 # CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
 # CONFIG_SYSFS_DEPRECATED_V2 is not set
 # CONFIG_RELAY is not set
 # CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -62,6 +86,10 @@ CONFIG_EPOLL=y
 # CONFIG_TIMERFD is not set
 # CONFIG_EVENTFD is not set
 # CONFIG_AIO is not set
+
+#
+# Kernel Performance Events And Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
@@ -69,11 +97,15 @@ CONFIG_SLAB=y
 # CONFIG_SLOB is not set
 CONFIG_MMAP_ALLOW_UNINITIALIZED=y
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
-CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 # CONFIG_MODULE_FORCE_LOAD is not set
@@ -81,11 +113,8 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_KMOD=y
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_LSF is not set
+# CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -101,7 +130,6 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
-CONFIG_CLASSIC_RCU=y
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
@@ -132,15 +160,15 @@ CONFIG_FREEZER=y
 CONFIG_BF537=y
 # CONFIG_BF538 is not set
 # CONFIG_BF539 is not set
-# CONFIG_BF542 is not set
+# CONFIG_BF542_std is not set
 # CONFIG_BF542M is not set
-# CONFIG_BF544 is not set
+# CONFIG_BF544_std is not set
 # CONFIG_BF544M is not set
-# CONFIG_BF547 is not set
+# CONFIG_BF547_std is not set
 # CONFIG_BF547M is not set
-# CONFIG_BF548 is not set
+# CONFIG_BF548_std is not set
 # CONFIG_BF548M is not set
-# CONFIG_BF549 is not set
+# CONFIG_BF549_std is not set
 # CONFIG_BF549M is not set
 # CONFIG_BF561 is not set
 CONFIG_BF_REV_MIN=2
@@ -184,7 +212,8 @@ CONFIG_IRQ_MEM_DMA1=13
 CONFIG_IRQ_WATCH=13
 CONFIG_IRQ_SPI=10
 CONFIG_BFIN537_STAMP=y
-# CONFIG_BFIN537_BLUETECHNIX_CM is not set
+# CONFIG_BFIN537_BLUETECHNIX_CM_E is not set
+# CONFIG_BFIN537_BLUETECHNIX_CM_U is not set
 # CONFIG_BFIN537_BLUETECHNIX_TCM is not set
 # CONFIG_PNAV10 is not set
 # CONFIG_CAMSIG_MINOTAUR is not set
@@ -235,7 +264,7 @@ CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 # CONFIG_TICKSOURCE_GPTMR0 is not set
 CONFIG_TICKSOURCE_CORETMR=y
-# CONFIG_CYCLES_CLOCKSOURCE is not set
+CONFIG_CYCLES_CLOCKSOURCE=y
 # CONFIG_GPTMR0_CLOCKSOURCE is not set
 CONFIG_TICK_ONESHOT=y
 # CONFIG_NO_HZ is not set
@@ -287,7 +316,6 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_RESOURCES_64BIT is not set
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
@@ -296,16 +324,18 @@ CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set
 CONFIG_DMA_UNCACHED_1M=y
+# CONFIG_DMA_UNCACHED_512K is not set
+# CONFIG_DMA_UNCACHED_256K is not set
+# CONFIG_DMA_UNCACHED_128K is not set
 # CONFIG_DMA_UNCACHED_NONE is not set
 
 #
 # Cache Support
 #
 CONFIG_BFIN_ICACHE=y
-# CONFIG_BFIN_ICACHE_LOCK is not set
+CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_DCACHE=y
 # CONFIG_BFIN_DCACHE_BANKA is not set
-CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_EXTMEM_DCACHEABLE=y
 CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_BFIN_EXTMEM_WRITETHROUGH is not set
@@ -316,7 +346,7 @@ CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_MPU is not set
 
 #
-# Asynchonous Memory Configuration
+# Asynchronous Memory Configuration
 #
 
 #
@@ -362,6 +392,7 @@ CONFIG_PM=y
 CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
+# CONFIG_PM_RUNTIME is not set
 CONFIG_ARCH_SUSPEND_POSSIBLE=y
 CONFIG_PM_BFIN_SLEEP_DEEPER=y
 # CONFIG_PM_BFIN_SLEEP is not set
@@ -384,11 +415,6 @@ CONFIG_NET=y
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
-CONFIG_XFRM=y
-# CONFIG_XFRM_USER is not set
-# CONFIG_XFRM_SUB_POLICY is not set
-# CONFIG_XFRM_MIGRATE is not set
-# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -412,7 +438,6 @@ CONFIG_IP_PNP=y
 # CONFIG_INET_XFRM_MODE_BEET is not set
 # CONFIG_INET_LRO is not set
 # CONFIG_INET_DIAG is not set
-CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
@@ -423,6 +448,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -436,14 +462,34 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
 
 #
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
-# CONFIG_CAN is not set
+CONFIG_CAN=m
+CONFIG_CAN_RAW=m
+CONFIG_CAN_BCM=m
+
+#
+# CAN Device Drivers
+#
+# CONFIG_CAN_VCAN is not set
+CONFIG_CAN_DEV=m
+# CONFIG_CAN_CALC_BITTIMING is not set
+CONFIG_CAN_BFIN=m
+# CONFIG_CAN_SJA1000 is not set
+
+#
+# CAN USB interfaces
+#
+# CONFIG_CAN_EMS_USB is not set
+# CONFIG_CAN_DEBUG_DEVICES is not set
 CONFIG_IRDA=m
 
 #
@@ -483,13 +529,8 @@ CONFIG_SIR_BFIN_DMA=y
 #
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-# CONFIG_PHONET is not set
-CONFIG_WIRELESS=y
-# CONFIG_CFG80211 is not set
-CONFIG_WIRELESS_OLD_REGULATORY=y
-# CONFIG_WIRELESS_EXT is not set
-# CONFIG_MAC80211 is not set
-# CONFIG_IEEE80211 is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -510,6 +551,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
@@ -568,6 +610,7 @@ CONFIG_MTD_PHYSMAP=m
 #
 # CONFIG_MTD_DATAFLASH is not set
 # CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SST25L is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -583,6 +626,11 @@ CONFIG_MTD_PHYSMAP=m
 # CONFIG_MTD_ONENAND is not set
 
 #
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
@@ -599,10 +647,20 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
 # CONFIG_ATA_OVER_ETH is not set
 # CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
-# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_AD525X_DPOT is not set
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_ISL29003 is not set
 # CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT24 is not set
+# CONFIG_EEPROM_AT25 is not set
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_MAX6875 is not set
+# CONFIG_EEPROM_93CX6 is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
@@ -637,6 +695,9 @@ CONFIG_SMSC_PHY=y
 # CONFIG_BROADCOM_PHY is not set
 # CONFIG_ICPLUS_PHY is not set
 # CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
 # CONFIG_FIXED_PHY is not set
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
@@ -647,9 +708,12 @@ CONFIG_BFIN_TX_DESC_NUM=10
 CONFIG_BFIN_RX_DESC_NUM=20
 # CONFIG_BFIN_MAC_RMII is not set
 # CONFIG_SMC91X is not set
-# CONFIG_SMSC911X is not set
 # CONFIG_DM9000 is not set
 # CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_ADF702X is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
@@ -658,15 +722,16 @@ CONFIG_BFIN_RX_DESC_NUM=20
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
 
 #
-# Wireless LAN
+# Enable WiMAX (Networking options) to see the WiMAX drivers
 #
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
-# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
@@ -701,7 +766,10 @@ CONFIG_INPUT_EVDEV=m
 # CONFIG_INPUT_TOUCHSCREEN is not set
 CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_UINPUT is not set
-CONFIG_CONFIG_INPUT_PCF8574=m
+# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
+# CONFIG_INPUT_AD714X is not set
+# CONFIG_INPUT_ADXL34X is not set
+# CONFIG_INPUT_PCF8574 is not set
 
 #
 # Hardware I/O ports
@@ -712,16 +780,13 @@ CONFIG_CONFIG_INPUT_PCF8574=m
 #
 # Character devices
 #
-# CONFIG_AD9960 is not set
 CONFIG_BFIN_DMA_INTERFACE=m
 # CONFIG_BFIN_PPI is not set
 # CONFIG_BFIN_PPIFCD is not set
 # CONFIG_BFIN_SIMPLE_TIMER is not set
 # CONFIG_BFIN_SPI_ADC is not set
 CONFIG_BFIN_SPORT=m
-# CONFIG_BFIN_TIMER_LATENCY is not set
 # CONFIG_BFIN_TWI_LCD is not set
-CONFIG_SIMPLE_GPIO=m
 # CONFIG_VT is not set
 # CONFIG_DEVKMEM is not set
 CONFIG_BFIN_JTAG_COMM=m
@@ -735,6 +800,7 @@ CONFIG_BFIN_JTAG_COMM=m
 #
 # Non-8250 serial port support
 #
+# CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_BFIN=y
 CONFIG_SERIAL_BFIN_CONSOLE=y
 CONFIG_SERIAL_BFIN_DMA=y
@@ -746,17 +812,8 @@ CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_BFIN_SPORT is not set
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
-
-#
-# CAN, the car bus and industrial fieldbus
-#
-CONFIG_CAN4LINUX=y
-
-#
-# linux embedded drivers
-#
-CONFIG_CAN_BLACKFIN=m
 # CONFIG_IPMI_HANDLER is not set
 # CONFIG_HW_RANDOM is not set
 # CONFIG_R3964 is not set
@@ -764,6 +821,7 @@ CONFIG_CAN_BLACKFIN=m
 # CONFIG_TCG_TPM is not set
 CONFIG_I2C=m
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
 CONFIG_I2C_CHARDEV=m
 CONFIG_I2C_HELPER_AUTO=y
 
@@ -796,14 +854,6 @@ CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
-# CONFIG_EEPROM_AT24 is not set
-CONFIG_SENSORS_AD5252=m
-# CONFIG_EEPROM_LEGACY is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_PCF8575 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
@@ -820,13 +870,18 @@ CONFIG_SPI_BFIN=y
 # CONFIG_SPI_BFIN_LOCK is not set
 # CONFIG_SPI_BFIN_SPORT is not set
 # CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
 
 #
 # SPI Protocol Masters
 #
-# CONFIG_EEPROM_AT25 is not set
 # CONFIG_SPI_SPIDEV is not set
 # CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
 CONFIG_GPIOLIB=y
 # CONFIG_DEBUG_GPIO is not set
@@ -842,6 +897,7 @@ CONFIG_GPIO_SYSFS=y
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
@@ -852,11 +908,15 @@ CONFIG_GPIO_SYSFS=y
 #
 # CONFIG_GPIO_MAX7301 is not set
 # CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -878,26 +938,18 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_UCB1400_CORE is not set
+# CONFIG_TPS65010 is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
 # CONFIG_REGULATOR is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-# CONFIG_DAB is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -929,9 +981,6 @@ CONFIG_FB_CFB_IMAGEBLIT=m
 # CONFIG_FB_BFIN_T350MCQB is not set
 # CONFIG_FB_BFIN_LQ035Q1 is not set
 CONFIG_FB_BF537_LQ035=m
-CONFIG_LQ035_SLAVE_ADDR=0x58
-# CONFIG_FB_BFIN_LANDSCAPE is not set
-# CONFIG_FB_BFIN_BGR is not set
 CONFIG_FB_BFIN_7393=m
 CONFIG_NTSC=y
 # CONFIG_PAL is not set
@@ -946,15 +995,18 @@ CONFIG_ADV7393_1XMEM=y
 # CONFIG_FB_VIRTUAL is not set
 # CONFIG_FB_METRONOME is not set
 # CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_LCD_CLASS_DEVICE=m
+# CONFIG_LCD_LMS283GF05 is not set
 # CONFIG_LCD_LTV350QV is not set
 # CONFIG_LCD_ILI9320 is not set
 # CONFIG_LCD_TDO24M is not set
 # CONFIG_LCD_VGG2432A4 is not set
 # CONFIG_LCD_PLATFORM is not set
 CONFIG_BACKLIGHT_CLASS_DEVICE=m
-CONFIG_BACKLIGHT_CORGI=m
+CONFIG_BACKLIGHT_GENERIC=m
+# CONFIG_BACKLIGHT_ADP8870 is not set
 
 #
 # Display device support
@@ -963,19 +1015,27 @@ CONFIG_BACKLIGHT_CORGI=m
 # CONFIG_LOGO is not set
 CONFIG_SOUND=m
 CONFIG_SOUND_OSS_CORE=y
+CONFIG_SOUND_OSS_CORE_PRECLAIM=y
 CONFIG_SND=m
 CONFIG_SND_TIMER=m
 CONFIG_SND_PCM=m
+CONFIG_SND_JACK=y
 # CONFIG_SND_SEQUENCER is not set
 CONFIG_SND_OSSEMUL=y
 CONFIG_SND_MIXER_OSS=m
 CONFIG_SND_PCM_OSS=m
 CONFIG_SND_PCM_OSS_PLUGINS=y
+# CONFIG_SND_HRTIMER is not set
 # CONFIG_SND_DYNAMIC_MINORS is not set
 CONFIG_SND_SUPPORT_OLD_API=y
 CONFIG_SND_VERBOSE_PROCFS=y
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
+# CONFIG_SND_RAWMIDI_SEQ is not set
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
 CONFIG_SND_DRIVERS=y
 # CONFIG_SND_DUMMY is not set
 # CONFIG_SND_MTPAV is not set
@@ -986,13 +1046,6 @@ CONFIG_SND_SPI=y
 #
 # ALSA Blackfin devices
 #
-CONFIG_SND_BLACKFIN_AD1836=m
-CONFIG_SND_BLACKFIN_AD1836_TDM=y
-# CONFIG_SND_BLACKFIN_AD1836_I2S is not set
-CONFIG_SND_BLACKFIN_AD1836_MULSUB=y
-# CONFIG_SND_BLACKFIN_AD1836_5P1 is not set
-CONFIG_SND_BLACKFIN_SPORT=0
-CONFIG_SND_BLACKFIN_SPI_PFBIT=4
 CONFIG_SND_BFIN_SPORT=0
 CONFIG_SND_BFIN_AD73322=m
 CONFIG_SND_BFIN_AD73322_SPORT0_SE=10
@@ -1003,16 +1056,20 @@ CONFIG_SND_SOC_AC97_BUS=y
 CONFIG_SND_BF5XX_I2S=m
 # CONFIG_SND_BF5XX_SOC_SSM2602 is not set
 CONFIG_SND_BF5XX_SOC_AD73311=m
+# CONFIG_SND_BF5XX_SOC_ADAU1371 is not set
+# CONFIG_SND_BF5XX_SOC_ADAU1761 is not set
 CONFIG_SND_BFIN_AD73311_SE=4
+# CONFIG_SND_BF5XX_TDM is not set
 CONFIG_SND_BF5XX_AC97=m
 CONFIG_SND_BF5XX_MMAP_SUPPORT=y
 # CONFIG_SND_BF5XX_MULTICHAN_SUPPORT is not set
+# CONFIG_SND_BF5XX_HAVE_COLD_RESET is not set
+CONFIG_SND_BF5XX_SOC_AD1980=m
 CONFIG_SND_BF5XX_SOC_SPORT=m
 CONFIG_SND_BF5XX_SOC_I2S=m
 CONFIG_SND_BF5XX_SOC_AC97=m
-CONFIG_SND_BF5XX_SOC_AD1980=m
 CONFIG_SND_BF5XX_SPORT_NUM=0
-# CONFIG_SND_BF5XX_HAVE_COLD_RESET is not set
+CONFIG_SND_SOC_I2C_AND_SPI=m
 # CONFIG_SND_SOC_ALL_CODECS is not set
 CONFIG_SND_SOC_AD1980=m
 CONFIG_SND_SOC_AD73311=m
@@ -1020,14 +1077,12 @@ CONFIG_SND_SOC_AD73311=m
 CONFIG_AC97_BUS=m
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
-# CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
 # CONFIG_HID_PID is not set
 
 #
 # Special HID drivers
 #
-CONFIG_HID_COMPAT=y
 # CONFIG_USB_SUPPORT is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -1064,6 +1119,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_S35390A is not set
 # CONFIG_RTC_DRV_FM3130 is not set
 # CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
 
 #
 # SPI RTC drivers
@@ -1075,6 +1131,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_R9701 is not set
 # CONFIG_RTC_DRV_RS5C348 is not set
 # CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
 
 #
 # Platform RTC drivers
@@ -1095,10 +1152,21 @@ CONFIG_RTC_INTF_DEV=y
 #
 CONFIG_RTC_DRV_BFIN=y
 # CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
+# Firmware Drivers
+#
+# CONFIG_FIRMWARE_MEMMAP is not set
+# CONFIG_SIGMA is not set
+
+#
 # File systems
 #
 # CONFIG_EXT2_FS is not set
@@ -1107,9 +1175,13 @@ CONFIG_RTC_DRV_BFIN=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -1119,6 +1191,11 @@ CONFIG_INOTIFY_USER=y
 # CONFIG_FUSE_FS is not set
 
 #
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
 # CD-ROM/DVD Filesystems
 #
 # CONFIG_ISO9660_FS is not set
@@ -1137,13 +1214,9 @@ CONFIG_INOTIFY_USER=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 # CONFIG_CONFIGFS_FS is not set
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_ADFS_FS is not set
 # CONFIG_AFFS_FS is not set
 # CONFIG_HFS_FS is not set
@@ -1162,17 +1235,8 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
-CONFIG_YAFFS_FS=m
-CONFIG_YAFFS_YAFFS1=y
-# CONFIG_YAFFS_9BYTE_TAGS is not set
-# CONFIG_YAFFS_DOES_ECC is not set
-CONFIG_YAFFS_YAFFS2=y
-CONFIG_YAFFS_AUTO_YAFFS2=y
-# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set
-# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set
-# CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set
-CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y
 # CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_OMFS_FS is not set
@@ -1191,7 +1255,6 @@ CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
-# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 CONFIG_SMB_FS=m
@@ -1256,14 +1319,19 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_SECTION_MISMATCH=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_SHIRQ=y
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
 CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
@@ -1271,31 +1339,39 @@ CONFIG_SCHED_DEBUG=y
 # CONFIG_DEBUG_SLAB is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_NOMMU_REGIONS is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_FRAME_POINTER is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
-
-#
-# Tracers
-#
-# CONFIG_SCHED_TRACER is not set
-# CONFIG_CONTEXT_SWITCH_TRACER is not set
-# CONFIG_BOOT_TRACER is not set
-# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_BRANCH_PROFILE_NONE is not set
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
@@ -1320,6 +1396,7 @@ CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_CPLB_INFO=y
 CONFIG_ACCESS_CHECK=y
+# CONFIG_BFIN_ISRAM_SELF_TEST is not set
 
 #
 # Security options
@@ -1328,14 +1405,14 @@ CONFIG_ACCESS_CHECK=y
 CONFIG_SECURITY=y
 # CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_NETWORK is not set
+# CONFIG_SECURITY_PATH is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
-CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=0
+# CONFIG_SECURITY_TOMOYO is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_MANAGER2 is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -1367,11 +1444,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
@@ -1408,6 +1487,7 @@ CONFIG_CRYPTO=y
 # Compression
 #
 # CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
 # CONFIG_CRYPTO_LZO is not set
 
 #
@@ -1415,11 +1495,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_CRC_CCITT=m
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
@@ -1429,6 +1511,8 @@ CONFIG_CRC32=y
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
+CONFIG_DECOMPRESS_GZIP=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/blackfin/configs/BF538-EZKIT_defconfig b/arch/blackfin/configs/BF538-EZKIT_defconfig
index 09ea2499555e..bc1871d89fd5 100644
--- a/arch/blackfin/configs/BF538-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF538-EZKIT_defconfig
@@ -1,22 +1,27 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28.10
-# Thu May 21 05:50:01 2009
+# Linux kernel version: 2.6.32.2
 #
 # CONFIG_MMU is not set
 # CONFIG_FPU is not set
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
 CONFIG_BLACKFIN=y
+CONFIG_GENERIC_CSUM=y
+CONFIG_GENERIC_BUG=y
 CONFIG_ZONE_DMA=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
-CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_GPIO=y
 CONFIG_FORCE_MAX_ZONEORDER=14
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -26,22 +31,41 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_CGROUPS is not set
 # CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
 # CONFIG_SYSFS_DEPRECATED_V2 is not set
 # CONFIG_RELAY is not set
 # CONFIG_NAMESPACES is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
+CONFIG_RD_GZIP=y
+# CONFIG_RD_BZIP2 is not set
+# CONFIG_RD_LZMA is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -62,6 +86,10 @@ CONFIG_EPOLL=y
 # CONFIG_TIMERFD is not set
 # CONFIG_EVENTFD is not set
 # CONFIG_AIO is not set
+
+#
+# Kernel Performance Events And Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
@@ -69,11 +97,15 @@ CONFIG_SLAB=y
 # CONFIG_SLOB is not set
 CONFIG_MMAP_ALLOW_UNINITIALIZED=y
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
-CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 # CONFIG_MODULE_FORCE_LOAD is not set
@@ -81,11 +113,8 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_KMOD=y
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_LSF is not set
+# CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -101,7 +130,6 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
-CONFIG_CLASSIC_RCU=y
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
@@ -132,15 +160,15 @@ CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_BF537 is not set
 CONFIG_BF538=y
 # CONFIG_BF539 is not set
-# CONFIG_BF542 is not set
+# CONFIG_BF542_std is not set
 # CONFIG_BF542M is not set
-# CONFIG_BF544 is not set
+# CONFIG_BF544_std is not set
 # CONFIG_BF544M is not set
-# CONFIG_BF547 is not set
+# CONFIG_BF547_std is not set
 # CONFIG_BF547M is not set
-# CONFIG_BF548 is not set
+# CONFIG_BF548_std is not set
 # CONFIG_BF548M is not set
-# CONFIG_BF549 is not set
+# CONFIG_BF549_std is not set
 # CONFIG_BF549M is not set
 # CONFIG_BF561 is not set
 CONFIG_BF_REV_MIN=4
@@ -246,7 +274,7 @@ CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 # CONFIG_TICKSOURCE_GPTMR0 is not set
 CONFIG_TICKSOURCE_CORETMR=y
-# CONFIG_CYCLES_CLOCKSOURCE is not set
+CONFIG_CYCLES_CLOCKSOURCE=y
 # CONFIG_GPTMR0_CLOCKSOURCE is not set
 CONFIG_TICK_ONESHOT=y
 # CONFIG_NO_HZ is not set
@@ -298,7 +326,6 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_RESOURCES_64BIT is not set
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
@@ -307,16 +334,18 @@ CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set
 CONFIG_DMA_UNCACHED_1M=y
+# CONFIG_DMA_UNCACHED_512K is not set
+# CONFIG_DMA_UNCACHED_256K is not set
+# CONFIG_DMA_UNCACHED_128K is not set
 # CONFIG_DMA_UNCACHED_NONE is not set
 
 #
 # Cache Support
 #
 CONFIG_BFIN_ICACHE=y
-# CONFIG_BFIN_ICACHE_LOCK is not set
+CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_DCACHE=y
 # CONFIG_BFIN_DCACHE_BANKA is not set
-CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_EXTMEM_DCACHEABLE=y
 CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_BFIN_EXTMEM_WRITETHROUGH is not set
@@ -327,7 +356,7 @@ CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_MPU is not set
 
 #
-# Asynchonous Memory Configuration
+# Asynchronous Memory Configuration
 #
 
 #
@@ -383,11 +412,6 @@ CONFIG_NET=y
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
-CONFIG_XFRM=y
-# CONFIG_XFRM_USER is not set
-# CONFIG_XFRM_SUB_POLICY is not set
-# CONFIG_XFRM_MIGRATE is not set
-# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -411,7 +435,6 @@ CONFIG_IP_PNP=y
 # CONFIG_INET_XFRM_MODE_BEET is not set
 # CONFIG_INET_LRO is not set
 # CONFIG_INET_DIAG is not set
-CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
@@ -422,6 +445,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -435,14 +459,34 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
 
 #
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
-# CONFIG_CAN is not set
+CONFIG_CAN=m
+CONFIG_CAN_RAW=m
+CONFIG_CAN_BCM=m
+
+#
+# CAN Device Drivers
+#
+# CONFIG_CAN_VCAN is not set
+CONFIG_CAN_DEV=m
+# CONFIG_CAN_CALC_BITTIMING is not set
+CONFIG_CAN_BFIN=m
+# CONFIG_CAN_SJA1000 is not set
+
+#
+# CAN USB interfaces
+#
+# CONFIG_CAN_EMS_USB is not set
+# CONFIG_CAN_DEBUG_DEVICES is not set
 CONFIG_IRDA=m
 
 #
@@ -481,13 +525,8 @@ CONFIG_SIR_BFIN_DMA=y
 #
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-# CONFIG_PHONET is not set
-CONFIG_WIRELESS=y
-# CONFIG_CFG80211 is not set
-CONFIG_WIRELESS_OLD_REGULATORY=y
-# CONFIG_WIRELESS_EXT is not set
-# CONFIG_MAC80211 is not set
-# CONFIG_IEEE80211 is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -508,6 +547,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
@@ -566,6 +606,7 @@ CONFIG_MTD_PHYSMAP=m
 #
 # CONFIG_MTD_DATAFLASH is not set
 # CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SST25L is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -581,11 +622,6 @@ CONFIG_MTD_NAND=m
 # CONFIG_MTD_NAND_VERIFY_WRITE is not set
 # CONFIG_MTD_NAND_ECC_SMC is not set
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
-CONFIG_MTD_NAND_BFIN=m
-CONFIG_BFIN_NAND_BASE=0x20212000
-CONFIG_BFIN_NAND_CLE=2
-CONFIG_BFIN_NAND_ALE=1
-CONFIG_BFIN_NAND_READY=3
 CONFIG_MTD_NAND_IDS=m
 # CONFIG_MTD_NAND_DISKONCHIP is not set
 # CONFIG_MTD_NAND_NANDSIM is not set
@@ -593,6 +629,11 @@ CONFIG_MTD_NAND_IDS=m
 # CONFIG_MTD_ONENAND is not set
 
 #
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
@@ -643,14 +684,20 @@ CONFIG_SMSC_PHY=y
 # CONFIG_BROADCOM_PHY is not set
 # CONFIG_ICPLUS_PHY is not set
 # CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
 # CONFIG_FIXED_PHY is not set
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=y
 CONFIG_SMC91X=y
-# CONFIG_SMSC911X is not set
 # CONFIG_DM9000 is not set
 # CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_ADF702X is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
@@ -659,15 +706,16 @@ CONFIG_SMC91X=y
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
 
 #
-# Wireless LAN
+# Enable WiMAX (Networking options) to see the WiMAX drivers
 #
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
-# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
@@ -700,14 +748,17 @@ CONFIG_INPUT_EVDEV=m
 # CONFIG_INPUT_JOYSTICK is not set
 # CONFIG_INPUT_TABLET is not set
 CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_ADS7846 is not set
 # CONFIG_TOUCHSCREEN_AD7877 is not set
 # CONFIG_TOUCHSCREEN_AD7879_I2C is not set
 CONFIG_TOUCHSCREEN_AD7879_SPI=y
 CONFIG_TOUCHSCREEN_AD7879=y
-# CONFIG_TOUCHSCREEN_ADS7846 is not set
+# CONFIG_TOUCHSCREEN_EETI is not set
 # CONFIG_TOUCHSCREEN_FUJITSU is not set
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MCS5000 is not set
 # CONFIG_TOUCHSCREEN_MTOUCH is not set
 # CONFIG_TOUCHSCREEN_INEXIO is not set
 # CONFIG_TOUCHSCREEN_MK712 is not set
@@ -715,9 +766,13 @@ CONFIG_TOUCHSCREEN_AD7879=y
 # CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
 # CONFIG_TOUCHSCREEN_TOUCHWIN is not set
 # CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_TOUCHSCREEN_TSC2007 is not set
 CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_UINPUT is not set
-# CONFIG_CONFIG_INPUT_PCF8574 is not set
+# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
+# CONFIG_INPUT_AD714X is not set
+# CONFIG_INPUT_ADXL34X is not set
+# CONFIG_INPUT_PCF8574 is not set
 
 #
 # Hardware I/O ports
@@ -728,16 +783,13 @@ CONFIG_INPUT_MISC=y
 #
 # Character devices
 #
-# CONFIG_AD9960 is not set
 CONFIG_BFIN_DMA_INTERFACE=m
 # CONFIG_BFIN_PPI is not set
 # CONFIG_BFIN_PPIFCD is not set
 # CONFIG_BFIN_SIMPLE_TIMER is not set
 # CONFIG_BFIN_SPI_ADC is not set
 CONFIG_BFIN_SPORT=m
-# CONFIG_BFIN_TIMER_LATENCY is not set
 # CONFIG_BFIN_TWI_LCD is not set
-CONFIG_SIMPLE_GPIO=m
 # CONFIG_VT is not set
 # CONFIG_DEVKMEM is not set
 CONFIG_BFIN_JTAG_COMM=m
@@ -751,6 +803,7 @@ CONFIG_BFIN_JTAG_COMM=m
 #
 # Non-8250 serial port support
 #
+# CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_BFIN=y
 CONFIG_SERIAL_BFIN_CONSOLE=y
 CONFIG_SERIAL_BFIN_DMA=y
@@ -765,12 +818,8 @@ CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_BFIN_SPORT is not set
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
-
-#
-# CAN, the car bus and industrial fieldbus
-#
-# CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
 # CONFIG_HW_RANDOM is not set
 # CONFIG_R3964 is not set
@@ -778,6 +827,7 @@ CONFIG_UNIX98_PTYS=y
 # CONFIG_TCG_TPM is not set
 CONFIG_I2C=m
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
 # CONFIG_I2C_CHARDEV is not set
 CONFIG_I2C_HELPER_AUTO=y
 
@@ -810,14 +860,6 @@ CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
-# CONFIG_EEPROM_AT24 is not set
-# CONFIG_SENSORS_AD5252 is not set
-# CONFIG_EEPROM_LEGACY is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_PCF8575 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
@@ -834,13 +876,18 @@ CONFIG_SPI_BFIN=y
 # CONFIG_SPI_BFIN_LOCK is not set
 # CONFIG_SPI_BFIN_SPORT is not set
 # CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
 
 #
 # SPI Protocol Masters
 #
-# CONFIG_EEPROM_AT25 is not set
 # CONFIG_SPI_SPIDEV is not set
 # CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
 CONFIG_GPIOLIB=y
 # CONFIG_DEBUG_GPIO is not set
@@ -856,6 +903,7 @@ CONFIG_GPIO_SYSFS=y
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
@@ -866,11 +914,15 @@ CONFIG_GPIO_SYSFS=y
 #
 # CONFIG_GPIO_MAX7301 is not set
 # CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -892,26 +944,17 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
 # CONFIG_REGULATOR is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-# CONFIG_DAB is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -947,6 +990,7 @@ CONFIG_FB_BFIN_LQ035Q1=m
 # CONFIG_FB_VIRTUAL is not set
 # CONFIG_FB_METRONOME is not set
 # CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
 # CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
@@ -957,14 +1001,12 @@ CONFIG_FB_BFIN_LQ035Q1=m
 # CONFIG_SOUND is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
-# CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
 # CONFIG_HID_PID is not set
 
 #
 # Special HID drivers
 #
-CONFIG_HID_COMPAT=y
 # CONFIG_USB_SUPPORT is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
@@ -1001,6 +1043,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_S35390A is not set
 # CONFIG_RTC_DRV_FM3130 is not set
 # CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
 
 #
 # SPI RTC drivers
@@ -1012,6 +1055,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_R9701 is not set
 # CONFIG_RTC_DRV_RS5C348 is not set
 # CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
 
 #
 # Platform RTC drivers
@@ -1032,10 +1076,21 @@ CONFIG_RTC_INTF_DEV=y
 #
 CONFIG_RTC_DRV_BFIN=y
 # CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
+# Firmware Drivers
+#
+# CONFIG_FIRMWARE_MEMMAP is not set
+# CONFIG_SIGMA is not set
+
+#
 # File systems
 #
 # CONFIG_EXT2_FS is not set
@@ -1044,9 +1099,13 @@ CONFIG_RTC_DRV_BFIN=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -1056,6 +1115,11 @@ CONFIG_INOTIFY_USER=y
 # CONFIG_FUSE_FS is not set
 
 #
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
 # CD-ROM/DVD Filesystems
 #
 # CONFIG_ISO9660_FS is not set
@@ -1074,13 +1138,9 @@ CONFIG_INOTIFY_USER=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 # CONFIG_CONFIGFS_FS is not set
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_ADFS_FS is not set
 # CONFIG_AFFS_FS is not set
 # CONFIG_HFS_FS is not set
@@ -1099,17 +1159,8 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
-CONFIG_YAFFS_FS=m
-CONFIG_YAFFS_YAFFS1=y
-# CONFIG_YAFFS_9BYTE_TAGS is not set
-# CONFIG_YAFFS_DOES_ECC is not set
-CONFIG_YAFFS_YAFFS2=y
-CONFIG_YAFFS_AUTO_YAFFS2=y
-# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set
-# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set
-# CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set
-CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y
 # CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_OMFS_FS is not set
@@ -1128,7 +1179,6 @@ CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
-# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 CONFIG_SMB_FS=m
@@ -1193,14 +1243,19 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_SECTION_MISMATCH=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_DEBUG_SHIRQ=y
 CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
 CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
 CONFIG_SCHED_DEBUG=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
@@ -1208,31 +1263,39 @@ CONFIG_SCHED_DEBUG=y
 # CONFIG_DEBUG_SLAB is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_NOMMU_REGIONS is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_FRAME_POINTER is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
-
-#
-# Tracers
-#
-# CONFIG_SCHED_TRACER is not set
-# CONFIG_CONTEXT_SWITCH_TRACER is not set
-# CONFIG_BOOT_TRACER is not set
-# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_BRANCH_PROFILE_NONE is not set
+# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
+# CONFIG_PROFILE_ALL_BRANCHES is not set
+# CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
@@ -1257,6 +1320,7 @@ CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_CPLB_INFO=y
 CONFIG_ACCESS_CHECK=y
+# CONFIG_BFIN_ISRAM_SELF_TEST is not set
 
 #
 # Security options
@@ -1265,14 +1329,14 @@ CONFIG_ACCESS_CHECK=y
 CONFIG_SECURITY=y
 # CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_NETWORK is not set
+# CONFIG_SECURITY_PATH is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
-CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=0
+# CONFIG_SECURITY_TOMOYO is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_MANAGER2 is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -1304,11 +1368,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
@@ -1345,6 +1411,7 @@ CONFIG_CRYPTO=y
 # Compression
 #
 # CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
 # CONFIG_CRYPTO_LZO is not set
 
 #
@@ -1352,11 +1419,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_CRC_CCITT=m
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
@@ -1366,6 +1435,8 @@ CONFIG_CRC32=y
 # CONFIG_LIBCRC32C is not set
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=m
+CONFIG_DECOMPRESS_GZIP=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/blackfin/configs/BF548-EZKIT_defconfig b/arch/blackfin/configs/BF548-EZKIT_defconfig
index eb3e98b6f3f0..ca309cfc6ac4 100644
--- a/arch/blackfin/configs/BF548-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF548-EZKIT_defconfig
@@ -1,7 +1,6 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.31.5
-# Mon Nov  2 22:02:56 2009
+# Linux kernel version: 2.6.32.2
 #
 # CONFIG_MMU is not set
 # CONFIG_FPU is not set
@@ -12,7 +11,6 @@ CONFIG_GENERIC_CSUM=y
 CONFIG_GENERIC_BUG=y
 CONFIG_ZONE_DMA=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
-CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
@@ -49,11 +47,12 @@ CONFIG_SYSVIPC_SYSCTL=y
 #
 # RCU Subsystem
 #
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
 # CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
@@ -89,24 +88,23 @@ CONFIG_EPOLL=y
 # CONFIG_AIO is not set
 
 #
-# Performance Counters
+# Kernel Performance Events And Counters
 #
 CONFIG_VM_EVENT_COUNTERS=y
-# CONFIG_STRIP_ASM_SYMS is not set
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 CONFIG_MMAP_ALLOW_UNINITIALIZED=y
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
 
 #
 # GCOV-based kernel profiling
 #
 # CONFIG_GCOV_KERNEL is not set
-# CONFIG_SLOW_WORK is not set
+CONFIG_SLOW_WORK=y
+# CONFIG_SLOW_WORK_DEBUG is not set
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
 CONFIG_BASE_SMALL=0
@@ -163,15 +161,15 @@ CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_BF537 is not set
 # CONFIG_BF538 is not set
 # CONFIG_BF539 is not set
-# CONFIG_BF542 is not set
+# CONFIG_BF542_std is not set
 # CONFIG_BF542M is not set
-# CONFIG_BF544 is not set
+# CONFIG_BF544_std is not set
 # CONFIG_BF544M is not set
-# CONFIG_BF547 is not set
+# CONFIG_BF547_std is not set
 # CONFIG_BF547M is not set
 CONFIG_BF548_std=y
 # CONFIG_BF548M is not set
-# CONFIG_BF549 is not set
+# CONFIG_BF549_std is not set
 # CONFIG_BF549M is not set
 # CONFIG_BF561 is not set
 CONFIG_BF_REV_MIN=0
@@ -185,7 +183,6 @@ CONFIG_BF_REV_0_2=y
 # CONFIG_BF_REV_0_6 is not set
 # CONFIG_BF_REV_ANY is not set
 # CONFIG_BF_REV_NONE is not set
-CONFIG_BF54x=y
 CONFIG_IRQ_PLL_WAKEUP=7
 CONFIG_IRQ_RTC=8
 CONFIG_IRQ_SPORT0_RX=9
@@ -221,6 +218,8 @@ CONFIG_IRQ_SPI1=10
 CONFIG_IRQ_SPI2=10
 CONFIG_IRQ_TWI0=11
 CONFIG_IRQ_TWI1=11
+CONFIG_BF548=y
+CONFIG_BF54x=y
 CONFIG_BFIN548_EZKIT=y
 # CONFIG_BFIN548_BLUETECHNIX_CM is not set
 
@@ -387,12 +386,14 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
-CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 CONFIG_DMA_UNCACHED_2M=y
 # CONFIG_DMA_UNCACHED_1M is not set
+# CONFIG_DMA_UNCACHED_512K is not set
+# CONFIG_DMA_UNCACHED_256K is not set
+# CONFIG_DMA_UNCACHED_128K is not set
 # CONFIG_DMA_UNCACHED_NONE is not set
 
 #
@@ -505,6 +506,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -528,7 +530,24 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
-# CONFIG_CAN is not set
+CONFIG_CAN=m
+CONFIG_CAN_RAW=m
+CONFIG_CAN_BCM=m
+
+#
+# CAN Device Drivers
+#
+# CONFIG_CAN_VCAN is not set
+CONFIG_CAN_DEV=m
+# CONFIG_CAN_CALC_BITTIMING is not set
+CONFIG_CAN_BFIN=m
+# CONFIG_CAN_SJA1000 is not set
+
+#
+# CAN USB interfaces
+#
+# CONFIG_CAN_EMS_USB is not set
+# CONFIG_CAN_DEBUG_DEVICES is not set
 CONFIG_IRDA=m
 
 #
@@ -663,6 +682,7 @@ CONFIG_MTD_PHYSMAP=y
 # CONFIG_MTD_DATAFLASH is not set
 CONFIG_MTD_M25P80=y
 CONFIG_M25PXX_USE_FAST_READ=y
+# CONFIG_MTD_SST25L is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -711,10 +731,10 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
 # CONFIG_ATA_OVER_ETH is not set
 # CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
+# CONFIG_AD525X_DPOT is not set
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_ISL29003 is not set
-# CONFIG_AD525X_DPOT is not set
 # CONFIG_C2PORT is not set
 
 #
@@ -767,7 +787,8 @@ CONFIG_SCSI_WAIT_SCAN=m
 # CONFIG_SCSI_OSD_INITIATOR is not set
 CONFIG_ATA=y
 # CONFIG_ATA_NONSTANDARD is not set
-CONFIG_SATA_PMP=y
+CONFIG_ATA_VERBOSE_ERROR=y
+# CONFIG_SATA_PMP is not set
 CONFIG_ATA_SFF=y
 # CONFIG_SATA_MV is not set
 # CONFIG_PATA_PLATFORM is not set
@@ -808,6 +829,7 @@ CONFIG_MII=y
 # CONFIG_ETHOC is not set
 CONFIG_SMSC911X=y
 # CONFIG_DNET is not set
+# CONFIG_ADF702X is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
@@ -818,12 +840,10 @@ CONFIG_SMSC911X=y
 # CONFIG_B44 is not set
 # CONFIG_KS8842 is not set
 # CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
-
-#
-# Wireless LAN
-#
+CONFIG_WLAN=y
 # CONFIG_WLAN_PRE80211 is not set
 CONFIG_WLAN_80211=y
 CONFIG_LIBERTAS=m
@@ -877,10 +897,12 @@ CONFIG_INPUT_EVBUG=m
 CONFIG_INPUT_KEYBOARD=y
 # CONFIG_KEYBOARD_ADP5588 is not set
 # CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_QT2160 is not set
 CONFIG_KEYBOARD_BFIN=y
 # CONFIG_KEYBOARD_LKKBD is not set
 # CONFIG_KEYBOARD_GPIO is not set
 # CONFIG_KEYBOARD_MATRIX is not set
+# CONFIG_KEYBOARD_MAX7359 is not set
 # CONFIG_KEYBOARD_NEWTON is not set
 # CONFIG_KEYBOARD_OPENCORES is not set
 # CONFIG_KEYBOARD_STOWAWAY is not set
@@ -900,6 +922,7 @@ CONFIG_TOUCHSCREEN_AD7877=m
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
 # CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MCS5000 is not set
 # CONFIG_TOUCHSCREEN_MTOUCH is not set
 # CONFIG_TOUCHSCREEN_INEXIO is not set
 # CONFIG_TOUCHSCREEN_MK712 is not set
@@ -910,7 +933,6 @@ CONFIG_TOUCHSCREEN_AD7877=m
 # CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
 # CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
 # CONFIG_TOUCHSCREEN_TSC2007 is not set
-# CONFIG_TOUCHSCREEN_W90X900 is not set
 CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_ATI_REMOTE is not set
 # CONFIG_INPUT_ATI_REMOTE2 is not set
@@ -976,11 +998,6 @@ CONFIG_UNIX98_PTYS=y
 # CONFIG_LEGACY_PTYS is not set
 CONFIG_BFIN_OTP=y
 # CONFIG_BFIN_OTP_WRITE_ENABLE is not set
-
-#
-# CAN, the car bus and industrial fieldbus
-#
-# CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
 # CONFIG_HW_RANDOM is not set
 # CONFIG_R3964 is not set
@@ -988,6 +1005,7 @@ CONFIG_BFIN_OTP=y
 # CONFIG_TCG_TPM is not set
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_HELPER_AUTO=y
 
@@ -1021,9 +1039,6 @@ CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_PCF8575 is not set
-# CONFIG_SENSORS_PCA9539 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
@@ -1078,11 +1093,15 @@ CONFIG_GPIO_SYSFS=y
 #
 # CONFIG_GPIO_MAX7301 is not set
 # CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -1116,8 +1135,10 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
 # CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
 # CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
 # CONFIG_AB3100_CORE is not set
 # CONFIG_EZX_PCAP is not set
 # CONFIG_REGULATOR is not set
@@ -1192,6 +1213,7 @@ CONFIG_LOGO=y
 CONFIG_LOGO_BLACKFIN_CLUT224=y
 CONFIG_SOUND=y
 CONFIG_SOUND_OSS_CORE=y
+CONFIG_SOUND_OSS_CORE_PRECLAIM=y
 CONFIG_SND=y
 CONFIG_SND_TIMER=y
 CONFIG_SND_PCM=y
@@ -1245,7 +1267,6 @@ CONFIG_SND_SOC_AD1980=y
 CONFIG_AC97_BUS=y
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
-# CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
 
 #
@@ -1268,6 +1289,7 @@ CONFIG_HID_CYPRESS=y
 CONFIG_HID_EZKEY=y
 # CONFIG_HID_KYE is not set
 CONFIG_HID_GYRATION=y
+# CONFIG_HID_TWINHAN is not set
 # CONFIG_HID_KENSINGTON is not set
 CONFIG_HID_LOGITECH=y
 # CONFIG_LOGITECH_FF is not set
@@ -1422,10 +1444,11 @@ CONFIG_MMC_BLOCK_BOUNCE=y
 # MMC/SD/SDIO Host Controller Drivers
 #
 # CONFIG_MMC_SDHCI is not set
+# CONFIG_MMC_AT91 is not set
+# CONFIG_MMC_ATMELMCI is not set
+# CONFIG_MMC_SPI is not set
 CONFIG_SDH_BFIN=y
 # CONFIG_SDH_BFIN_MISSING_CMD_PULLUP_WORKAROUND is not set
-# CONFIG_SDH_BFIN_ENABLE_SDIO_IRQ is not set
-# CONFIG_MMC_SPI is not set
 # CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
 # CONFIG_ACCESSIBILITY is not set
@@ -1472,6 +1495,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_R9701 is not set
 # CONFIG_RTC_DRV_RS5C348 is not set
 # CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
 
 #
 # Platform RTC drivers
@@ -1522,6 +1546,7 @@ CONFIG_FS_MBCACHE=y
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
 CONFIG_FILE_LOCKING=y
 CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
@@ -1563,7 +1588,6 @@ CONFIG_NTFS_RW=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 # CONFIG_CONFIGFS_FS is not set
 CONFIG_MISC_FILESYSTEMS=y
@@ -1595,7 +1619,6 @@ CONFIG_JFFS2_RTIME=y
 # CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-# CONFIG_NILFS2_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=m
 CONFIG_NFS_V3=y
@@ -1680,6 +1703,7 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
@@ -1714,12 +1738,14 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 # CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_FRAME_POINTER is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_PAGE_POISONING is not set
 CONFIG_HAVE_FUNCTION_TRACER=y
@@ -1730,7 +1756,6 @@ CONFIG_TRACING_SUPPORT=y
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
-# CONFIG_KMEMCHECK is not set
 # CONFIG_DEBUG_STACKOVERFLOW is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
 CONFIG_DEBUG_VERBOSE=y
@@ -1766,7 +1791,6 @@ CONFIG_CRYPTO=y
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_MANAGER2 is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -1798,11 +1822,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
diff --git a/arch/blackfin/configs/BF561-ACVILON_defconfig b/arch/blackfin/configs/BF561-ACVILON_defconfig
index b9b0f93d0bd3..6a776ce75e9c 100644
--- a/arch/blackfin/configs/BF561-ACVILON_defconfig
+++ b/arch/blackfin/configs/BF561-ACVILON_defconfig
@@ -114,7 +114,7 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_BLOCK=y
-CONFIG_LBDAF=y
+# CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -1486,19 +1486,10 @@ CONFIG_DEBUG_INFO=y
 CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
 CONFIG_TRACING_SUPPORT=y
-CONFIG_FTRACE=y
-# CONFIG_FUNCTION_TRACER is not set
-# CONFIG_IRQSOFF_TRACER is not set
-# CONFIG_SCHED_TRACER is not set
-# CONFIG_ENABLE_DEFAULT_TRACERS is not set
-# CONFIG_BOOT_TRACER is not set
-CONFIG_BRANCH_PROFILE_NONE=y
+# CONFIG_FTRACE is not set
+# CONFIG_BRANCH_PROFILE_NONE is not set
 # CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
 # CONFIG_PROFILE_ALL_BRANCHES is not set
-# CONFIG_STACK_TRACER is not set
-# CONFIG_KMEMTRACE is not set
-# CONFIG_WORKQUEUE_TRACER is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
 # CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
diff --git a/arch/blackfin/configs/BF561-EZKIT_defconfig b/arch/blackfin/configs/BF561-EZKIT_defconfig
index e3ecdcc3e76b..792ff0938835 100644
--- a/arch/blackfin/configs/BF561-EZKIT_defconfig
+++ b/arch/blackfin/configs/BF561-EZKIT_defconfig
@@ -1,7 +1,6 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.31.5
-# Mon Nov  2 21:59:31 2009
+# Linux kernel version: 2.6.32.2
 #
 # CONFIG_MMU is not set
 # CONFIG_FPU is not set
@@ -12,7 +11,6 @@ CONFIG_GENERIC_CSUM=y
 CONFIG_GENERIC_BUG=y
 CONFIG_ZONE_DMA=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
-CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
@@ -49,11 +47,12 @@ CONFIG_SYSVIPC_SYSCTL=y
 #
 # RCU Subsystem
 #
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
 # CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
@@ -89,17 +88,15 @@ CONFIG_EPOLL=y
 # CONFIG_AIO is not set
 
 #
-# Performance Counters
+# Kernel Performance Events And Counters
 #
 CONFIG_VM_EVENT_COUNTERS=y
-# CONFIG_STRIP_ASM_SYMS is not set
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 CONFIG_MMAP_ALLOW_UNINITIALIZED=y
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
 
 #
@@ -163,15 +160,15 @@ CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_BF537 is not set
 # CONFIG_BF538 is not set
 # CONFIG_BF539 is not set
-# CONFIG_BF542 is not set
+# CONFIG_BF542_std is not set
 # CONFIG_BF542M is not set
-# CONFIG_BF544 is not set
+# CONFIG_BF544_std is not set
 # CONFIG_BF544M is not set
-# CONFIG_BF547 is not set
+# CONFIG_BF547_std is not set
 # CONFIG_BF547M is not set
-# CONFIG_BF548 is not set
+# CONFIG_BF548_std is not set
 # CONFIG_BF548M is not set
-# CONFIG_BF549 is not set
+# CONFIG_BF549_std is not set
 # CONFIG_BF549M is not set
 CONFIG_BF561=y
 # CONFIG_SMP is not set
@@ -180,9 +177,9 @@ CONFIG_BF_REV_MAX=5
 # CONFIG_BF_REV_0_0 is not set
 # CONFIG_BF_REV_0_1 is not set
 # CONFIG_BF_REV_0_2 is not set
-# CONFIG_BF_REV_0_3 is not set
+CONFIG_BF_REV_0_3=y
 # CONFIG_BF_REV_0_4 is not set
-CONFIG_BF_REV_0_5=y
+# CONFIG_BF_REV_0_5 is not set
 # CONFIG_BF_REV_0_6 is not set
 # CONFIG_BF_REV_ANY is not set
 # CONFIG_BF_REV_NONE is not set
@@ -298,7 +295,7 @@ CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 # CONFIG_TICKSOURCE_GPTMR0 is not set
 CONFIG_TICKSOURCE_CORETMR=y
-# CONFIG_CYCLES_CLOCKSOURCE is not set
+CONFIG_CYCLES_CLOCKSOURCE=y
 # CONFIG_GPTMR0_CLOCKSOURCE is not set
 CONFIG_TICK_ONESHOT=y
 # CONFIG_NO_HZ is not set
@@ -353,12 +350,14 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
-CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
 CONFIG_BFIN_GPTIMERS=m
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set
 CONFIG_DMA_UNCACHED_1M=y
+# CONFIG_DMA_UNCACHED_512K is not set
+# CONFIG_DMA_UNCACHED_256K is not set
+# CONFIG_DMA_UNCACHED_128K is not set
 # CONFIG_DMA_UNCACHED_NONE is not set
 
 #
@@ -370,9 +369,11 @@ CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_DCACHE=y
 # CONFIG_BFIN_DCACHE_BANKA is not set
 CONFIG_BFIN_EXTMEM_DCACHEABLE=y
-CONFIG_BFIN_EXTMEM_WRITEBACK=y
-# CONFIG_BFIN_EXTMEM_WRITETHROUGH is not set
-# CONFIG_BFIN_L2_DCACHEABLE is not set
+# CONFIG_BFIN_EXTMEM_WRITEBACK is not set
+CONFIG_BFIN_EXTMEM_WRITETHROUGH=y
+CONFIG_BFIN_L2_DCACHEABLE=y
+# CONFIG_BFIN_L2_WRITEBACK is not set
+CONFIG_BFIN_L2_WRITETHROUGH=y
 
 #
 # Memory Protection Unit
@@ -472,6 +473,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -613,6 +615,7 @@ CONFIG_MTD_PHYSMAP=m
 #
 # CONFIG_MTD_DATAFLASH is not set
 # CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SST25L is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -685,6 +688,7 @@ CONFIG_SMC91X=y
 # CONFIG_ETHOC is not set
 # CONFIG_SMSC911X is not set
 # CONFIG_DNET is not set
+# CONFIG_ADF702X is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
@@ -695,14 +699,10 @@ CONFIG_SMC91X=y
 # CONFIG_B44 is not set
 # CONFIG_KS8842 is not set
 # CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
-
-#
-# Wireless LAN
-#
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
+# CONFIG_WLAN is not set
 
 #
 # Enable WiMAX (Networking options) to see the WiMAX drivers
@@ -782,11 +782,6 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
-
-#
-# CAN, the car bus and industrial fieldbus
-#
-# CONFIG_CAN4LINUX is not set
 # CONFIG_IPMI_HANDLER is not set
 # CONFIG_HW_RANDOM is not set
 # CONFIG_R3964 is not set
@@ -838,11 +833,15 @@ CONFIG_GPIO_SYSFS=y
 #
 # CONFIG_GPIO_MAX7301 is not set
 # CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 CONFIG_WATCHDOG=y
 # CONFIG_WATCHDOG_NOWAYOUT is not set
 
@@ -865,6 +864,7 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_MFD_TMIO is not set
+# CONFIG_MFD_MC13783 is not set
 # CONFIG_EZX_PCAP is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
@@ -884,7 +884,6 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_SOUND is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=m
-# CONFIG_HID_DEBUG is not set
 # CONFIG_HIDRAW is not set
 # CONFIG_HID_PID is not set
 
@@ -923,6 +922,7 @@ CONFIG_HID=m
 # CONFIG_XFS_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
 CONFIG_FILE_LOCKING=y
 CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
@@ -957,7 +957,6 @@ CONFIG_INOTIFY_USER=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 # CONFIG_CONFIGFS_FS is not set
 CONFIG_MISC_FILESYSTEMS=y
@@ -989,7 +988,6 @@ CONFIG_JFFS2_RTIME=y
 # CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
-# CONFIG_NILFS2_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
 CONFIG_NFS_FS=m
 CONFIG_NFS_V3=y
@@ -1064,6 +1062,7 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
@@ -1098,26 +1097,24 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 # CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
 # CONFIG_FRAME_POINTER is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
 # CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_PAGE_POISONING is not set
 CONFIG_HAVE_FUNCTION_TRACER=y
 CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
 CONFIG_TRACING_SUPPORT=y
 # CONFIG_FTRACE is not set
-# CONFIG_BRANCH_PROFILE_NONE is not set
-# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
-# CONFIG_PROFILE_ALL_BRANCHES is not set
 # CONFIG_DYNAMIC_DEBUG is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 # CONFIG_KGDB is not set
-# CONFIG_KMEMCHECK is not set
 # CONFIG_DEBUG_STACKOVERFLOW is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
 CONFIG_DEBUG_VERBOSE=y
@@ -1153,7 +1150,6 @@ CONFIG_CRYPTO=y
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_MANAGER2 is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -1185,11 +1181,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
diff --git a/arch/blackfin/configs/H8606_defconfig b/arch/blackfin/configs/H8606_defconfig
index bc7fae3d8b83..ed0a7ebeb85c 100644
--- a/arch/blackfin/configs/H8606_defconfig
+++ b/arch/blackfin/configs/H8606_defconfig
@@ -834,13 +834,6 @@ CONFIG_SND_VERBOSE_PROCFS=y
 #
 # ALSA Blackfin devices
 #
-CONFIG_SND_BLACKFIN_AD1836=m
-CONFIG_SND_BLACKFIN_AD1836_TDM=y
-# CONFIG_SND_BLACKFIN_AD1836_I2S is not set
-CONFIG_SND_BLACKFIN_AD1836_MULSUB=y
-# CONFIG_SND_BLACKFIN_AD1836_5P1 is not set
-CONFIG_SND_BLACKFIN_SPORT=0
-CONFIG_SND_BLACKFIN_SPI_PFBIT=4
 # CONFIG_SND_BFIN_AD73311 is not set
 
 #
diff --git a/arch/blackfin/configs/PNAV-10_defconfig b/arch/blackfin/configs/PNAV-10_defconfig
index 67d12768602a..ad58fede1f41 100644
--- a/arch/blackfin/configs/PNAV-10_defconfig
+++ b/arch/blackfin/configs/PNAV-10_defconfig
@@ -1,21 +1,27 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.28.10
+# Linux kernel version: 2.6.32.2
 #
 # CONFIG_MMU is not set
 # CONFIG_FPU is not set
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 # CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
 CONFIG_BLACKFIN=y
+CONFIG_GENERIC_CSUM=y
+CONFIG_GENERIC_BUG=y
 CONFIG_ZONE_DMA=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
-CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_GPIO=y
 CONFIG_FORCE_MAX_ZONEORDER=14
 CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -25,16 +31,32 @@ CONFIG_BROKEN_ON_SMP=y
 CONFIG_INIT_ENV_ARG_LIMIT=32
 CONFIG_LOCALVERSION=""
 CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_KERNEL_GZIP=y
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
 # CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_CGROUPS is not set
 # CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
 # CONFIG_SYSFS_DEPRECATED_V2 is not set
 # CONFIG_RELAY is not set
 # CONFIG_NAMESPACES is not set
@@ -58,6 +80,10 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 # CONFIG_AIO is not set
+
+#
+# Kernel Performance Events And Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
@@ -65,11 +91,14 @@ CONFIG_SLAB=y
 # CONFIG_SLOB is not set
 CONFIG_MMAP_ALLOW_UNINITIALIZED=y
 # CONFIG_PROFILING is not set
-# CONFIG_MARKERS is not set
 CONFIG_HAVE_OPROFILE=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_SLOW_WORK is not set
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
-CONFIG_TINY_SHMEM=y
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 # CONFIG_MODULE_FORCE_LOAD is not set
@@ -77,11 +106,8 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-CONFIG_KMOD=y
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
-# CONFIG_BLK_DEV_IO_TRACE is not set
-# CONFIG_LSF is not set
+# CONFIG_LBDAF is not set
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -97,7 +123,6 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
-CONFIG_CLASSIC_RCU=y
 # CONFIG_PREEMPT_NONE is not set
 CONFIG_PREEMPT_VOLUNTARY=y
 # CONFIG_PREEMPT is not set
@@ -128,15 +153,15 @@ CONFIG_PREEMPT_VOLUNTARY=y
 CONFIG_BF537=y
 # CONFIG_BF538 is not set
 # CONFIG_BF539 is not set
-# CONFIG_BF542 is not set
+# CONFIG_BF542_std is not set
 # CONFIG_BF542M is not set
-# CONFIG_BF544 is not set
+# CONFIG_BF544_std is not set
 # CONFIG_BF544M is not set
-# CONFIG_BF547 is not set
+# CONFIG_BF547_std is not set
 # CONFIG_BF547M is not set
-# CONFIG_BF548 is not set
+# CONFIG_BF548_std is not set
 # CONFIG_BF548M is not set
-# CONFIG_BF549 is not set
+# CONFIG_BF549_std is not set
 # CONFIG_BF549M is not set
 # CONFIG_BF561 is not set
 CONFIG_BF_REV_MIN=2
@@ -180,7 +205,8 @@ CONFIG_IRQ_MEM_DMA1=13
 CONFIG_IRQ_WATCH=13
 CONFIG_IRQ_SPI=10
 # CONFIG_BFIN537_STAMP is not set
-# CONFIG_BFIN537_BLUETECHNIX_CM is not set
+# CONFIG_BFIN537_BLUETECHNIX_CM_E is not set
+# CONFIG_BFIN537_BLUETECHNIX_CM_U is not set
 # CONFIG_BFIN537_BLUETECHNIX_TCM is not set
 CONFIG_PNAV10=y
 # CONFIG_CAMSIG_MINOTAUR is not set
@@ -282,7 +308,6 @@ CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
-# CONFIG_RESOURCES_64BIT is not set
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_VIRT_TO_BUS=y
@@ -291,16 +316,18 @@ CONFIG_BFIN_GPTIMERS=y
 # CONFIG_DMA_UNCACHED_4M is not set
 # CONFIG_DMA_UNCACHED_2M is not set
 CONFIG_DMA_UNCACHED_1M=y
+# CONFIG_DMA_UNCACHED_512K is not set
+# CONFIG_DMA_UNCACHED_256K is not set
+# CONFIG_DMA_UNCACHED_128K is not set
 # CONFIG_DMA_UNCACHED_NONE is not set
 
 #
 # Cache Support
 #
 CONFIG_BFIN_ICACHE=y
-# CONFIG_BFIN_ICACHE_LOCK is not set
+CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_DCACHE=y
 # CONFIG_BFIN_DCACHE_BANKA is not set
-CONFIG_BFIN_EXTMEM_ICACHEABLE=y
 CONFIG_BFIN_EXTMEM_DCACHEABLE=y
 CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_BFIN_EXTMEM_WRITETHROUGH is not set
@@ -311,7 +338,7 @@ CONFIG_BFIN_EXTMEM_WRITEBACK=y
 # CONFIG_MPU is not set
 
 #
-# Asynchonous Memory Configuration
+# Asynchronous Memory Configuration
 #
 
 #
@@ -367,11 +394,6 @@ CONFIG_NET=y
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
-CONFIG_XFRM=y
-# CONFIG_XFRM_USER is not set
-# CONFIG_XFRM_SUB_POLICY is not set
-# CONFIG_XFRM_MIGRATE is not set
-# CONFIG_XFRM_STATISTICS is not set
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
 # CONFIG_IP_MULTICAST is not set
@@ -395,7 +417,6 @@ CONFIG_IP_PNP=y
 # CONFIG_INET_XFRM_MODE_BEET is not set
 # CONFIG_INET_LRO is not set
 # CONFIG_INET_DIAG is not set
-CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_CUBIC=y
 CONFIG_DEFAULT_TCP_CONG="cubic"
@@ -406,6 +427,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NETFILTER is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
 # CONFIG_BRIDGE is not set
@@ -419,7 +441,10 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_LAPB is not set
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
 
 #
 # Network testing
@@ -430,13 +455,8 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
-# CONFIG_PHONET is not set
-CONFIG_WIRELESS=y
-# CONFIG_CFG80211 is not set
-CONFIG_WIRELESS_OLD_REGULATORY=y
-# CONFIG_WIRELESS_EXT is not set
-# CONFIG_MAC80211 is not set
-# CONFIG_IEEE80211 is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
 
@@ -455,6 +475,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_CONNECTOR is not set
 CONFIG_MTD=y
 # CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
 # CONFIG_MTD_CONCAT is not set
 CONFIG_MTD_PARTITIONS=y
 # CONFIG_MTD_REDBOOT_PARTS is not set
@@ -506,6 +527,7 @@ CONFIG_MTD_UCLINUX=y
 #
 # CONFIG_MTD_DATAFLASH is not set
 # CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SST25L is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -521,11 +543,6 @@ CONFIG_MTD_NAND=y
 # CONFIG_MTD_NAND_VERIFY_WRITE is not set
 # CONFIG_MTD_NAND_ECC_SMC is not set
 # CONFIG_MTD_NAND_MUSEUM_IDS is not set
-CONFIG_MTD_NAND_BFIN=y
-CONFIG_BFIN_NAND_BASE=0x20100000
-CONFIG_BFIN_NAND_CLE=2
-CONFIG_BFIN_NAND_ALE=1
-CONFIG_BFIN_NAND_READY=44
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
 # CONFIG_MTD_NAND_NANDSIM is not set
@@ -533,6 +550,11 @@ CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_ONENAND is not set
 
 #
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
@@ -549,10 +571,20 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
 # CONFIG_ATA_OVER_ETH is not set
 # CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
-# CONFIG_EEPROM_93CX6 is not set
+# CONFIG_AD525X_DPOT is not set
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_ISL29003 is not set
 # CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT24 is not set
+# CONFIG_EEPROM_AT25 is not set
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_MAX6875 is not set
+# CONFIG_EEPROM_93CX6 is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
@@ -587,6 +619,9 @@ CONFIG_PHYLIB=y
 # CONFIG_BROADCOM_PHY is not set
 # CONFIG_ICPLUS_PHY is not set
 # CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
 # CONFIG_FIXED_PHY is not set
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
@@ -597,9 +632,12 @@ CONFIG_BFIN_TX_DESC_NUM=100
 CONFIG_BFIN_RX_DESC_NUM=100
 CONFIG_BFIN_MAC_RMII=y
 # CONFIG_SMC91X is not set
-# CONFIG_SMSC911X is not set
 # CONFIG_DM9000 is not set
 # CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_ADF702X is not set
 # CONFIG_IBM_NEW_EMAC_ZMII is not set
 # CONFIG_IBM_NEW_EMAC_RGMII is not set
 # CONFIG_IBM_NEW_EMAC_TAH is not set
@@ -608,15 +646,16 @@ CONFIG_BFIN_MAC_RMII=y
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
 # CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
 
 #
-# Wireless LAN
+# Enable WiMAX (Networking options) to see the WiMAX drivers
 #
-# CONFIG_WLAN_PRE80211 is not set
-# CONFIG_WLAN_80211 is not set
-# CONFIG_IWLWIFI_LEDS is not set
 # CONFIG_WAN is not set
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
@@ -649,14 +688,17 @@ CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_JOYSTICK is not set
 # CONFIG_INPUT_TABLET is not set
 CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_ADS7846 is not set
 CONFIG_TOUCHSCREEN_AD7877=y
 # CONFIG_TOUCHSCREEN_AD7879_I2C is not set
 # CONFIG_TOUCHSCREEN_AD7879_SPI is not set
 # CONFIG_TOUCHSCREEN_AD7879 is not set
-# CONFIG_TOUCHSCREEN_ADS7846 is not set
+# CONFIG_TOUCHSCREEN_EETI is not set
 # CONFIG_TOUCHSCREEN_FUJITSU is not set
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MCS5000 is not set
 # CONFIG_TOUCHSCREEN_MTOUCH is not set
 # CONFIG_TOUCHSCREEN_INEXIO is not set
 # CONFIG_TOUCHSCREEN_MK712 is not set
@@ -665,6 +707,7 @@ CONFIG_TOUCHSCREEN_AD7877=y
 # CONFIG_TOUCHSCREEN_TOUCHWIN is not set
 # CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
 # CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+# CONFIG_TOUCHSCREEN_TSC2007 is not set
 CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_ATI_REMOTE is not set
 # CONFIG_INPUT_ATI_REMOTE2 is not set
@@ -673,7 +716,9 @@ CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_YEALINK is not set
 # CONFIG_INPUT_CM109 is not set
 CONFIG_INPUT_UINPUT=y
-# CONFIG_CONFIG_INPUT_PCF8574 is not set
+# CONFIG_INPUT_AD714X is not set
+# CONFIG_INPUT_ADXL34X is not set
+# CONFIG_INPUT_PCF8574 is not set
 
 #
 # Hardware I/O ports
@@ -684,16 +729,13 @@ CONFIG_INPUT_UINPUT=y
 #
 # Character devices
 #
-# CONFIG_AD9960 is not set
 CONFIG_BFIN_DMA_INTERFACE=m
 # CONFIG_BFIN_PPI is not set
 # CONFIG_BFIN_PPIFCD is not set
 # CONFIG_BFIN_SIMPLE_TIMER is not set
 # CONFIG_BFIN_SPI_ADC is not set
 CONFIG_BFIN_SPORT=y
-# CONFIG_BFIN_TIMER_LATENCY is not set
 # CONFIG_BFIN_TWI_LCD is not set
-# CONFIG_SIMPLE_GPIO is not set
 # CONFIG_VT is not set
 CONFIG_DEVKMEM=y
 # CONFIG_BFIN_JTAG_COMM is not set
@@ -707,6 +749,7 @@ CONFIG_DEVKMEM=y
 #
 # Non-8250 serial port support
 #
+# CONFIG_SERIAL_MAX3100 is not set
 CONFIG_SERIAL_BFIN=y
 CONFIG_SERIAL_BFIN_CONSOLE=y
 CONFIG_SERIAL_BFIN_DMA=y
@@ -719,24 +762,17 @@ CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_BFIN_SPORT is not set
 CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
 # CONFIG_LEGACY_PTYS is not set
-
-#
-# CAN, the car bus and industrial fieldbus
-#
-CONFIG_CAN4LINUX=y
-
-#
-# linux embedded drivers
-#
-CONFIG_CAN_BLACKFIN=m
 # CONFIG_IPMI_HANDLER is not set
 CONFIG_HW_RANDOM=y
+# CONFIG_HW_RANDOM_TIMERIOMEM is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_HELPER_AUTO=y
 
@@ -769,14 +805,6 @@ CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
-# CONFIG_EEPROM_AT24 is not set
-# CONFIG_SENSORS_AD5252 is not set
-# CONFIG_EEPROM_LEGACY is not set
-CONFIG_SENSORS_PCF8574=m
-# CONFIG_PCF8575 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
@@ -792,20 +820,29 @@ CONFIG_SPI_BFIN=y
 # CONFIG_SPI_BFIN_LOCK is not set
 # CONFIG_SPI_BFIN_SPORT is not set
 # CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
 
 #
 # SPI Protocol Masters
 #
-# CONFIG_EEPROM_AT25 is not set
 # CONFIG_SPI_SPIDEV is not set
 # CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
 # CONFIG_GPIOLIB is not set
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 CONFIG_HWMON=y
 # CONFIG_HWMON_VID is not set
-# CONFIG_SENSORS_AD5252 is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
+
+#
+# Native drivers
+#
 # CONFIG_SENSORS_AD7414 is not set
 # CONFIG_SENSORS_AD7418 is not set
 # CONFIG_SENSORS_ADCXX is not set
@@ -818,11 +855,13 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADT7462 is not set
 # CONFIG_SENSORS_ADT7470 is not set
 # CONFIG_SENSORS_ADT7473 is not set
+# CONFIG_SENSORS_ADT7475 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_F71805F is not set
 # CONFIG_SENSORS_F71882FG is not set
 # CONFIG_SENSORS_F75375S is not set
+# CONFIG_SENSORS_G760A is not set
 # CONFIG_SENSORS_GL518SM is not set
 # CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
@@ -838,17 +877,24 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_LM90 is not set
 # CONFIG_SENSORS_LM92 is not set
 # CONFIG_SENSORS_LM93 is not set
+# CONFIG_SENSORS_LTC4215 is not set
+# CONFIG_SENSORS_LTC4245 is not set
+# CONFIG_SENSORS_LM95241 is not set
 # CONFIG_SENSORS_MAX1111 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_MAX6650 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_PC87427 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_SHT15 is not set
 # CONFIG_SENSORS_DME1737 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_ADS7828 is not set
 # CONFIG_SENSORS_THMC50 is not set
+# CONFIG_SENSORS_TMP401 is not set
+# CONFIG_SENSORS_TMP421 is not set
 # CONFIG_SENSORS_VT1211 is not set
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83791D is not set
@@ -858,9 +904,8 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
-# CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_SENSORS_LIS3_SPI is not set
 # CONFIG_THERMAL is not set
-# CONFIG_THERMAL_HWMON is not set
 # CONFIG_WATCHDOG is not set
 CONFIG_SSB_POSSIBLE=y
 
@@ -875,28 +920,19 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
 # CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
 # CONFIG_REGULATOR is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-CONFIG_DAB=y
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -928,24 +964,24 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 # CONFIG_FB_BFIN_T350MCQB is not set
 # CONFIG_FB_BFIN_LQ035Q1 is not set
 CONFIG_FB_BF537_LQ035=y
-CONFIG_LQ035_SLAVE_ADDR=0x58
-CONFIG_FB_BFIN_LANDSCAPE=y
-# CONFIG_FB_BFIN_BGR is not set
 # CONFIG_FB_BFIN_7393 is not set
 # CONFIG_FB_HITACHI_TX09 is not set
 # CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_VIRTUAL is not set
 # CONFIG_FB_METRONOME is not set
 # CONFIG_FB_MB862XX is not set
+# CONFIG_FB_BROADSHEET is not set
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_LCD_CLASS_DEVICE=y
+# CONFIG_LCD_LMS283GF05 is not set
 # CONFIG_LCD_LTV350QV is not set
 # CONFIG_LCD_ILI9320 is not set
 # CONFIG_LCD_TDO24M is not set
 # CONFIG_LCD_VGG2432A4 is not set
 # CONFIG_LCD_PLATFORM is not set
 CONFIG_BACKLIGHT_CLASS_DEVICE=y
-# CONFIG_BACKLIGHT_CORGI is not set
+CONFIG_BACKLIGHT_GENERIC=y
+# CONFIG_BACKLIGHT_ADP8870 is not set
 
 #
 # Display device support
@@ -954,6 +990,7 @@ CONFIG_BACKLIGHT_CLASS_DEVICE=y
 # CONFIG_LOGO is not set
 CONFIG_SOUND=y
 CONFIG_SOUND_OSS_CORE=y
+CONFIG_SOUND_OSS_CORE_PRECLAIM=y
 CONFIG_SND=m
 # CONFIG_SND_SEQUENCER is not set
 # CONFIG_SND_MIXER_OSS is not set
@@ -963,6 +1000,11 @@ CONFIG_SND=m
 # CONFIG_SND_VERBOSE_PROCFS is not set
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
+# CONFIG_SND_RAWMIDI_SEQ is not set
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
 CONFIG_SND_DRIVERS=y
 # CONFIG_SND_DUMMY is not set
 # CONFIG_SND_MTPAV is not set
@@ -973,7 +1015,6 @@ CONFIG_SND_SPI=y
 #
 # ALSA Blackfin devices
 #
-# CONFIG_SND_BLACKFIN_AD1836 is not set
 # CONFIG_SND_BFIN_AD73322 is not set
 # CONFIG_SND_SOC is not set
 CONFIG_SOUND_PRIME=y
@@ -993,9 +1034,13 @@ CONFIG_USB_ARCH_HAS_HCD=y
 #
 
 #
-# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may also be needed;
+# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
 #
 # CONFIG_USB_GADGET is not set
+
+#
+# OTG and related infrastructure
+#
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
@@ -1031,6 +1076,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_S35390A is not set
 # CONFIG_RTC_DRV_FM3130 is not set
 # CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
 
 #
 # SPI RTC drivers
@@ -1042,6 +1088,7 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_R9701 is not set
 # CONFIG_RTC_DRV_RS5C348 is not set
 # CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
 
 #
 # Platform RTC drivers
@@ -1062,10 +1109,21 @@ CONFIG_RTC_INTF_DEV=y
 #
 CONFIG_RTC_DRV_BFIN=y
 # CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
+# Firmware Drivers
+#
+# CONFIG_FIRMWARE_MEMMAP is not set
+# CONFIG_SIGMA is not set
+
+#
 # File systems
 #
 CONFIG_EXT2_FS=y
@@ -1078,9 +1136,13 @@ CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
@@ -1090,6 +1152,11 @@ CONFIG_INOTIFY_USER=y
 # CONFIG_FUSE_FS is not set
 
 #
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
 # CD-ROM/DVD Filesystems
 #
 # CONFIG_ISO9660_FS is not set
@@ -1108,13 +1175,9 @@ CONFIG_INOTIFY_USER=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_SYSCTL=y
 CONFIG_SYSFS=y
-# CONFIG_TMPFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 # CONFIG_CONFIGFS_FS is not set
-
-#
-# Miscellaneous filesystems
-#
+CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_ADFS_FS is not set
 # CONFIG_AFFS_FS is not set
 # CONFIG_HFS_FS is not set
@@ -1123,17 +1186,8 @@ CONFIG_SYSFS=y
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
 # CONFIG_JFFS2_FS is not set
-CONFIG_YAFFS_FS=y
-CONFIG_YAFFS_YAFFS1=y
-# CONFIG_YAFFS_9BYTE_TAGS is not set
-# CONFIG_YAFFS_DOES_ECC is not set
-CONFIG_YAFFS_YAFFS2=y
-CONFIG_YAFFS_AUTO_YAFFS2=y
-# CONFIG_YAFFS_DISABLE_LAZY_LOAD is not set
-# CONFIG_YAFFS_DISABLE_WIDE_TNODES is not set
-# CONFIG_YAFFS_ALWAYS_CHECK_CHUNK_ERASED is not set
-CONFIG_YAFFS_SHORT_NAMES_IN_RAM=y
 # CONFIG_CRAMFS is not set
+# CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_OMFS_FS is not set
@@ -1152,7 +1206,6 @@ CONFIG_LOCKD=m
 CONFIG_LOCKD_V4=y
 CONFIG_NFS_COMMON=y
 CONFIG_SUNRPC=m
-# CONFIG_SUNRPC_REGISTER_V4 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 CONFIG_SMB_FS=m
@@ -1217,18 +1270,19 @@ CONFIG_ENABLE_WARN_DEPRECATED=y
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=1024
 # CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_UNUSED_SYMBOLS is not set
 # CONFIG_DEBUG_FS is not set
 # CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_SECTION_MISMATCH=y
 # CONFIG_DEBUG_KERNEL is not set
 # CONFIG_DEBUG_BUGVERBOSE is not set
 # CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
-
-#
-# Tracers
-#
-# CONFIG_DYNAMIC_PRINTK_DEBUG is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
 # CONFIG_SAMPLES is not set
 CONFIG_HAVE_ARCH_KGDB=y
 CONFIG_DEBUG_VERBOSE=y
@@ -1245,6 +1299,7 @@ CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION=0
 # CONFIG_EARLY_PRINTK is not set
 # CONFIG_CPLB_INFO is not set
 # CONFIG_ACCESS_CHECK is not set
+# CONFIG_BFIN_ISRAM_SELF_TEST is not set
 
 #
 # Security options
@@ -1253,14 +1308,14 @@ CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION=0
 CONFIG_SECURITY=y
 # CONFIG_SECURITYFS is not set
 # CONFIG_SECURITY_NETWORK is not set
+# CONFIG_SECURITY_PATH is not set
 # CONFIG_SECURITY_FILE_CAPABILITIES is not set
-CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=0
+# CONFIG_SECURITY_TOMOYO is not set
 CONFIG_CRYPTO=y
 
 #
 # Crypto core or helper
 #
-# CONFIG_CRYPTO_FIPS is not set
 # CONFIG_CRYPTO_MANAGER is not set
 # CONFIG_CRYPTO_MANAGER2 is not set
 # CONFIG_CRYPTO_GF128MUL is not set
@@ -1292,11 +1347,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_HMAC is not set
 # CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
 
 #
 # Digest
 #
 # CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
 # CONFIG_CRYPTO_MD4 is not set
 # CONFIG_CRYPTO_MD5 is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
@@ -1333,6 +1390,7 @@ CONFIG_CRYPTO=y
 # Compression
 #
 # CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
 # CONFIG_CRYPTO_LZO is not set
 
 #
@@ -1340,11 +1398,13 @@ CONFIG_CRYPTO=y
 #
 # CONFIG_CRYPTO_ANSI_CPRNG is not set
 CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
 
 #
 # Library routines
 #
 CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_CRC_CCITT=m
 # CONFIG_CRC16 is not set
 # CONFIG_CRC_T10DIF is not set
@@ -1356,3 +1416,4 @@ CONFIG_ZLIB_INFLATE=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/blackfin/configs/TCM-BF518_defconfig b/arch/blackfin/configs/TCM-BF518_defconfig
new file mode 100644
index 000000000000..4d31e2a4ed46
--- /dev/null
+++ b/arch/blackfin/configs/TCM-BF518_defconfig
@@ -0,0 +1,1375 @@
+#
+# Automatically generated make config: don't edit
+# Linux kernel version: 2.6.32.3
+#
+# CONFIG_MMU is not set
+# CONFIG_FPU is not set
+CONFIG_RWSEM_GENERIC_SPINLOCK=y
+# CONFIG_RWSEM_XCHGADD_ALGORITHM is not set
+CONFIG_BLACKFIN=y
+CONFIG_GENERIC_CSUM=y
+CONFIG_GENERIC_BUG=y
+CONFIG_ZONE_DMA=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_HARDIRQS=y
+CONFIG_GENERIC_IRQ_PROBE=y
+CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_FORCE_MAX_ZONEORDER=14
+CONFIG_GENERIC_CALIBRATE_DELAY=y
+CONFIG_LOCKDEP_SUPPORT=y
+CONFIG_STACKTRACE_SUPPORT=y
+CONFIG_TRACE_IRQFLAGS_SUPPORT=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
+
+#
+# General setup
+#
+CONFIG_EXPERIMENTAL=y
+CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
+CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
+CONFIG_HAVE_KERNEL_GZIP=y
+CONFIG_HAVE_KERNEL_BZIP2=y
+CONFIG_HAVE_KERNEL_LZMA=y
+# CONFIG_KERNEL_GZIP is not set
+# CONFIG_KERNEL_BZIP2 is not set
+CONFIG_KERNEL_LZMA=y
+CONFIG_SYSVIPC=y
+CONFIG_SYSVIPC_SYSCTL=y
+# CONFIG_POSIX_MQUEUE is not set
+# CONFIG_BSD_PROCESS_ACCT is not set
+# CONFIG_TASKSTATS is not set
+# CONFIG_AUDIT is not set
+
+#
+# RCU Subsystem
+#
+CONFIG_TREE_RCU=y
+# CONFIG_TREE_PREEMPT_RCU is not set
+# CONFIG_RCU_TRACE is not set
+CONFIG_RCU_FANOUT=32
+# CONFIG_RCU_FANOUT_EXACT is not set
+# CONFIG_TREE_RCU_TRACE is not set
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_GROUP_SCHED is not set
+# CONFIG_CGROUPS is not set
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
+# CONFIG_RELAY is not set
+# CONFIG_NAMESPACES is not set
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_INITRAMFS_SOURCE=""
+# CONFIG_RD_GZIP is not set
+# CONFIG_RD_BZIP2 is not set
+CONFIG_RD_LZMA=y
+CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+CONFIG_SYSCTL=y
+CONFIG_ANON_INODES=y
+CONFIG_EMBEDDED=y
+CONFIG_UID16=y
+# CONFIG_SYSCTL_SYSCALL is not set
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_HOTPLUG=y
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+# CONFIG_ELF_CORE is not set
+CONFIG_BASE_FULL=y
+# CONFIG_FUTEX is not set
+CONFIG_EPOLL=y
+# CONFIG_SIGNALFD is not set
+# CONFIG_TIMERFD is not set
+# CONFIG_EVENTFD is not set
+# CONFIG_AIO is not set
+
+#
+# Kernel Performance Events And Counters
+#
+CONFIG_VM_EVENT_COUNTERS=y
+CONFIG_COMPAT_BRK=y
+CONFIG_SLAB=y
+# CONFIG_SLUB is not set
+# CONFIG_SLOB is not set
+CONFIG_MMAP_ALLOW_UNINITIALIZED=y
+# CONFIG_PROFILING is not set
+CONFIG_HAVE_OPROFILE=y
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
+# CONFIG_SLOW_WORK is not set
+# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
+CONFIG_SLABINFO=y
+CONFIG_BASE_SMALL=0
+CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
+CONFIG_MODULE_UNLOAD=y
+# CONFIG_MODULE_FORCE_UNLOAD is not set
+# CONFIG_MODVERSIONS is not set
+# CONFIG_MODULE_SRCVERSION_ALL is not set
+CONFIG_BLOCK=y
+# CONFIG_LBDAF is not set
+# CONFIG_BLK_DEV_BSG is not set
+# CONFIG_BLK_DEV_INTEGRITY is not set
+
+#
+# IO Schedulers
+#
+CONFIG_IOSCHED_NOOP=y
+# CONFIG_IOSCHED_AS is not set
+# CONFIG_IOSCHED_DEADLINE is not set
+# CONFIG_IOSCHED_CFQ is not set
+# CONFIG_DEFAULT_AS is not set
+# CONFIG_DEFAULT_DEADLINE is not set
+# CONFIG_DEFAULT_CFQ is not set
+CONFIG_DEFAULT_NOOP=y
+CONFIG_DEFAULT_IOSCHED="noop"
+# CONFIG_PREEMPT_NONE is not set
+CONFIG_PREEMPT_VOLUNTARY=y
+# CONFIG_PREEMPT is not set
+# CONFIG_FREEZER is not set
+
+#
+# Blackfin Processor Options
+#
+
+#
+# Processor and Board Settings
+#
+# CONFIG_BF512 is not set
+# CONFIG_BF514 is not set
+# CONFIG_BF516 is not set
+CONFIG_BF518=y
+# CONFIG_BF522 is not set
+# CONFIG_BF523 is not set
+# CONFIG_BF524 is not set
+# CONFIG_BF525 is not set
+# CONFIG_BF526 is not set
+# CONFIG_BF527 is not set
+# CONFIG_BF531 is not set
+# CONFIG_BF532 is not set
+# CONFIG_BF533 is not set
+# CONFIG_BF534 is not set
+# CONFIG_BF536 is not set
+# CONFIG_BF537 is not set
+# CONFIG_BF538 is not set
+# CONFIG_BF539 is not set
+# CONFIG_BF542_std is not set
+# CONFIG_BF542M is not set
+# CONFIG_BF544_std is not set
+# CONFIG_BF544M is not set
+# CONFIG_BF547_std is not set
+# CONFIG_BF547M is not set
+# CONFIG_BF548_std is not set
+# CONFIG_BF548M is not set
+# CONFIG_BF549_std is not set
+# CONFIG_BF549M is not set
+# CONFIG_BF561 is not set
+CONFIG_BF_REV_MIN=0
+CONFIG_BF_REV_MAX=2
+# CONFIG_BF_REV_0_0 is not set
+CONFIG_BF_REV_0_1=y
+# CONFIG_BF_REV_0_2 is not set
+# CONFIG_BF_REV_0_3 is not set
+# CONFIG_BF_REV_0_4 is not set
+# CONFIG_BF_REV_0_5 is not set
+# CONFIG_BF_REV_0_6 is not set
+# CONFIG_BF_REV_ANY is not set
+# CONFIG_BF_REV_NONE is not set
+CONFIG_BF51x=y
+# CONFIG_BFIN518F_EZBRD is not set
+CONFIG_BFIN518F_TCM=y
+
+#
+# BF518 Specific Configuration
+#
+
+#
+# Alternative Multiplexing Scheme
+#
+# CONFIG_BF518_SPORT0_PORTF is not set
+CONFIG_BF518_SPORT0_PORTG=y
+CONFIG_BF518_SPORT0_TSCLK_PG10=y
+# CONFIG_BF518_SPORT0_TSCLK_PG14 is not set
+CONFIG_BF518_UART1_PORTF=y
+# CONFIG_BF518_UART1_PORTG is not set
+
+#
+# Interrupt Priority Assignment
+#
+
+#
+# Priority
+#
+CONFIG_IRQ_PLL_WAKEUP=7
+CONFIG_IRQ_DMA0_ERROR=7
+CONFIG_IRQ_DMAR0_BLK=7
+CONFIG_IRQ_DMAR1_BLK=7
+CONFIG_IRQ_DMAR0_OVR=7
+CONFIG_IRQ_DMAR1_OVR=7
+CONFIG_IRQ_PPI_ERROR=7
+CONFIG_IRQ_MAC_ERROR=7
+CONFIG_IRQ_SPORT0_ERROR=7
+CONFIG_IRQ_SPORT1_ERROR=7
+CONFIG_IRQ_PTP_ERROR=7
+CONFIG_IRQ_UART0_ERROR=7
+CONFIG_IRQ_UART1_ERROR=7
+CONFIG_IRQ_RTC=8
+CONFIG_IRQ_PPI=8
+CONFIG_IRQ_SPORT0_RX=9
+CONFIG_IRQ_SPORT0_TX=9
+CONFIG_IRQ_SPORT1_RX=9
+CONFIG_IRQ_SPORT1_TX=9
+CONFIG_IRQ_TWI=10
+CONFIG_IRQ_SPI0=10
+CONFIG_IRQ_UART0_RX=10
+CONFIG_IRQ_UART0_TX=10
+CONFIG_IRQ_UART1_RX=10
+CONFIG_IRQ_UART1_TX=10
+CONFIG_IRQ_OPTSEC=11
+CONFIG_IRQ_CNT=11
+CONFIG_IRQ_MAC_RX=11
+CONFIG_IRQ_PORTH_INTA=11
+CONFIG_IRQ_MAC_TX=11
+CONFIG_IRQ_PORTH_INTB=11
+CONFIG_IRQ_TIMER0=12
+CONFIG_IRQ_TIMER1=12
+CONFIG_IRQ_TIMER2=12
+CONFIG_IRQ_TIMER3=12
+CONFIG_IRQ_TIMER4=12
+CONFIG_IRQ_TIMER5=12
+CONFIG_IRQ_TIMER6=12
+CONFIG_IRQ_TIMER7=12
+CONFIG_IRQ_PORTG_INTA=12
+CONFIG_IRQ_PORTG_INTB=12
+CONFIG_IRQ_MEM_DMA0=13
+CONFIG_IRQ_MEM_DMA1=13
+CONFIG_IRQ_WATCH=13
+CONFIG_IRQ_PORTF_INTA=13
+CONFIG_IRQ_PORTF_INTB=13
+CONFIG_IRQ_SPI0_ERROR=7
+CONFIG_IRQ_SPI1_ERROR=7
+CONFIG_IRQ_RSI_INT0=7
+CONFIG_IRQ_RSI_INT1=7
+CONFIG_IRQ_PWM_TRIP=10
+CONFIG_IRQ_PWM_SYNC=10
+CONFIG_IRQ_PTP_STAT=10
+
+#
+# Board customizations
+#
+# CONFIG_CMDLINE_BOOL is not set
+CONFIG_BOOT_LOAD=0x1000
+
+#
+# Clock/PLL Setup
+#
+CONFIG_CLKIN_HZ=25000000
+# CONFIG_BFIN_KERNEL_CLOCK is not set
+CONFIG_MAX_VCO_HZ=400000000
+CONFIG_MIN_VCO_HZ=50000000
+CONFIG_MAX_SCLK_HZ=133333333
+CONFIG_MIN_SCLK_HZ=27000000
+
+#
+# Kernel Timer/Scheduler
+#
+# CONFIG_HZ_100 is not set
+CONFIG_HZ_250=y
+# CONFIG_HZ_300 is not set
+# CONFIG_HZ_1000 is not set
+CONFIG_HZ=250
+# CONFIG_SCHED_HRTICK is not set
+CONFIG_GENERIC_TIME=y
+CONFIG_GENERIC_CLOCKEVENTS=y
+
+#
+# Clock event device
+#
+# CONFIG_TICKSOURCE_GPTMR0 is not set
+CONFIG_TICKSOURCE_CORETMR=y
+
+#
+# Clock souce
+#
+# CONFIG_CYCLES_CLOCKSOURCE is not set
+# CONFIG_GPTMR0_CLOCKSOURCE is not set
+# CONFIG_NO_HZ is not set
+# CONFIG_HIGH_RES_TIMERS is not set
+CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
+
+#
+# Misc
+#
+CONFIG_BFIN_SCRATCH_REG_RETN=y
+# CONFIG_BFIN_SCRATCH_REG_RETE is not set
+# CONFIG_BFIN_SCRATCH_REG_CYCLES is not set
+
+#
+# Blackfin Kernel Optimizations
+#
+
+#
+# Memory Optimizations
+#
+CONFIG_I_ENTRY_L1=y
+CONFIG_EXCPT_IRQ_SYSC_L1=y
+CONFIG_DO_IRQ_L1=y
+CONFIG_CORE_TIMER_IRQ_L1=y
+CONFIG_IDLE_L1=y
+# CONFIG_SCHEDULE_L1 is not set
+CONFIG_ARITHMETIC_OPS_L1=y
+CONFIG_ACCESS_OK_L1=y
+# CONFIG_MEMSET_L1 is not set
+# CONFIG_MEMCPY_L1 is not set
+# CONFIG_SYS_BFIN_SPINLOCK_L1 is not set
+# CONFIG_IP_CHECKSUM_L1 is not set
+CONFIG_CACHELINE_ALIGNED_L1=y
+# CONFIG_SYSCALL_TAB_L1 is not set
+# CONFIG_CPLB_SWITCH_TAB_L1 is not set
+CONFIG_APP_STACK_L1=y
+
+#
+# Speed Optimizations
+#
+CONFIG_BFIN_INS_LOWOVERHEAD=y
+CONFIG_RAMKERNEL=y
+# CONFIG_ROMKERNEL is not set
+CONFIG_SELECT_MEMORY_MODEL=y
+CONFIG_FLATMEM_MANUAL=y
+# CONFIG_DISCONTIGMEM_MANUAL is not set
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
+CONFIG_PAGEFLAGS_EXTENDED=y
+CONFIG_SPLIT_PTLOCK_CPUS=4
+# CONFIG_PHYS_ADDR_T_64BIT is not set
+CONFIG_ZONE_DMA_FLAG=1
+CONFIG_VIRT_TO_BUS=y
+CONFIG_NOMMU_INITIAL_TRIM_EXCESS=0
+CONFIG_BFIN_GPTIMERS=m
+# CONFIG_DMA_UNCACHED_4M is not set
+# CONFIG_DMA_UNCACHED_2M is not set
+CONFIG_DMA_UNCACHED_1M=y
+# CONFIG_DMA_UNCACHED_512K is not set
+# CONFIG_DMA_UNCACHED_256K is not set
+# CONFIG_DMA_UNCACHED_128K is not set
+# CONFIG_DMA_UNCACHED_NONE is not set
+
+#
+# Cache Support
+#
+CONFIG_BFIN_ICACHE=y
+CONFIG_BFIN_EXTMEM_ICACHEABLE=y
+CONFIG_BFIN_DCACHE=y
+# CONFIG_BFIN_DCACHE_BANKA is not set
+CONFIG_BFIN_EXTMEM_DCACHEABLE=y
+CONFIG_BFIN_EXTMEM_WRITEBACK=y
+# CONFIG_BFIN_EXTMEM_WRITETHROUGH is not set
+
+#
+# Memory Protection Unit
+#
+# CONFIG_MPU is not set
+
+#
+# Asynchronous Memory Configuration
+#
+
+#
+# EBIU_AMGCTL Global Control
+#
+CONFIG_C_AMCKEN=y
+CONFIG_C_CDPRIO=y
+# CONFIG_C_AMBEN is not set
+# CONFIG_C_AMBEN_B0 is not set
+# CONFIG_C_AMBEN_B0_B1 is not set
+# CONFIG_C_AMBEN_B0_B1_B2 is not set
+CONFIG_C_AMBEN_ALL=y
+
+#
+# EBIU_AMBCTL Control
+#
+CONFIG_BANK_0=0x7BB0
+CONFIG_BANK_1=0x7BB0
+CONFIG_BANK_2=0x7BB0
+CONFIG_BANK_3=0x99B2
+
+#
+# Bus options (PCI, PCMCIA, EISA, MCA, ISA)
+#
+# CONFIG_ARCH_SUPPORTS_MSI is not set
+# CONFIG_PCCARD is not set
+
+#
+# Executable file formats
+#
+CONFIG_BINFMT_ELF_FDPIC=y
+CONFIG_BINFMT_FLAT=y
+CONFIG_BINFMT_ZFLAT=y
+# CONFIG_BINFMT_SHARED_FLAT is not set
+# CONFIG_HAVE_AOUT is not set
+# CONFIG_BINFMT_MISC is not set
+
+#
+# Power management options
+#
+# CONFIG_PM is not set
+CONFIG_ARCH_SUSPEND_POSSIBLE=y
+
+#
+# CPU Frequency scaling
+#
+# CONFIG_CPU_FREQ is not set
+CONFIG_NET=y
+
+#
+# Networking options
+#
+CONFIG_PACKET=y
+# CONFIG_PACKET_MMAP is not set
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+# CONFIG_IP_PNP_DHCP is not set
+# CONFIG_IP_PNP_BOOTP is not set
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+# CONFIG_SYN_COOKIES is not set
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
+# CONFIG_INET_XFRM_MODE_BEET is not set
+# CONFIG_INET_LRO is not set
+# CONFIG_INET_DIAG is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_CUBIC=y
+CONFIG_DEFAULT_TCP_CONG="cubic"
+# CONFIG_TCP_MD5SIG is not set
+# CONFIG_IPV6 is not set
+# CONFIG_NETLABEL is not set
+# CONFIG_NETWORK_SECMARK is not set
+# CONFIG_NETFILTER is not set
+# CONFIG_IP_DCCP is not set
+# CONFIG_IP_SCTP is not set
+# CONFIG_RDS is not set
+# CONFIG_TIPC is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_NET_DSA is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_DCB is not set
+
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+# CONFIG_AF_RXRPC is not set
+# CONFIG_WIRELESS is not set
+# CONFIG_WIMAX is not set
+# CONFIG_RFKILL is not set
+# CONFIG_NET_9P is not set
+
+#
+# Device Drivers
+#
+
+#
+# Generic Driver Options
+#
+CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
+CONFIG_STANDALONE=y
+CONFIG_PREVENT_FIRMWARE_BUILD=y
+# CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
+# CONFIG_DEBUG_DEVRES is not set
+# CONFIG_SYS_HYPERVISOR is not set
+# CONFIG_CONNECTOR is not set
+CONFIG_MTD=y
+# CONFIG_MTD_DEBUG is not set
+# CONFIG_MTD_TESTS is not set
+# CONFIG_MTD_CONCAT is not set
+CONFIG_MTD_PARTITIONS=y
+# CONFIG_MTD_REDBOOT_PARTS is not set
+CONFIG_MTD_CMDLINE_PARTS=y
+# CONFIG_MTD_AR7_PARTS is not set
+
+#
+# User Modules And Translation Layers
+#
+CONFIG_MTD_CHAR=y
+CONFIG_MTD_BLKDEVS=y
+CONFIG_MTD_BLOCK=y
+# CONFIG_FTL is not set
+# CONFIG_NFTL is not set
+# CONFIG_INFTL is not set
+# CONFIG_RFD_FTL is not set
+# CONFIG_SSFDC is not set
+# CONFIG_MTD_OOPS is not set
+
+#
+# RAM/ROM/Flash chip drivers
+#
+CONFIG_MTD_CFI=y
+# CONFIG_MTD_JEDECPROBE is not set
+CONFIG_MTD_GEN_PROBE=y
+CONFIG_MTD_CFI_ADV_OPTIONS=y
+CONFIG_MTD_CFI_NOSWAP=y
+# CONFIG_MTD_CFI_BE_BYTE_SWAP is not set
+# CONFIG_MTD_CFI_LE_BYTE_SWAP is not set
+CONFIG_MTD_CFI_GEOMETRY=y
+# CONFIG_MTD_MAP_BANK_WIDTH_1 is not set
+CONFIG_MTD_MAP_BANK_WIDTH_2=y
+# CONFIG_MTD_MAP_BANK_WIDTH_4 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
+# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
+CONFIG_MTD_CFI_I1=y
+# CONFIG_MTD_CFI_I2 is not set
+# CONFIG_MTD_CFI_I4 is not set
+# CONFIG_MTD_CFI_I8 is not set
+# CONFIG_MTD_OTP is not set
+CONFIG_MTD_CFI_INTELEXT=y
+# CONFIG_MTD_CFI_AMDSTD is not set
+# CONFIG_MTD_CFI_STAA is not set
+CONFIG_MTD_CFI_UTIL=y
+CONFIG_MTD_RAM=y
+CONFIG_MTD_ROM=m
+# CONFIG_MTD_ABSENT is not set
+
+#
+# Mapping drivers for chip access
+#
+# CONFIG_MTD_COMPLEX_MAPPINGS is not set
+CONFIG_MTD_PHYSMAP=y
+# CONFIG_MTD_PHYSMAP_COMPAT is not set
+# CONFIG_MTD_UCLINUX is not set
+# CONFIG_MTD_PLATRAM is not set
+
+#
+# Self-contained MTD device drivers
+#
+# CONFIG_MTD_DATAFLASH is not set
+# CONFIG_MTD_M25P80 is not set
+# CONFIG_MTD_SST25L is not set
+# CONFIG_MTD_SLRAM is not set
+# CONFIG_MTD_PHRAM is not set
+# CONFIG_MTD_MTDRAM is not set
+# CONFIG_MTD_BLOCK2MTD is not set
+
+#
+# Disk-On-Chip Device Drivers
+#
+# CONFIG_MTD_DOC2000 is not set
+# CONFIG_MTD_DOC2001 is not set
+# CONFIG_MTD_DOC2001PLUS is not set
+# CONFIG_MTD_NAND is not set
+# CONFIG_MTD_ONENAND is not set
+
+#
+# LPDDR flash memory drivers
+#
+# CONFIG_MTD_LPDDR is not set
+
+#
+# UBI - Unsorted block images
+#
+# CONFIG_MTD_UBI is not set
+# CONFIG_PARPORT is not set
+CONFIG_BLK_DEV=y
+# CONFIG_BLK_DEV_COW_COMMON is not set
+# CONFIG_BLK_DEV_LOOP is not set
+# CONFIG_BLK_DEV_NBD is not set
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=16
+CONFIG_BLK_DEV_RAM_SIZE=4096
+# CONFIG_BLK_DEV_XIP is not set
+# CONFIG_CDROM_PKTCDVD is not set
+# CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
+CONFIG_MISC_DEVICES=y
+# CONFIG_AD525X_DPOT is not set
+# CONFIG_ICS932S401 is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_ISL29003 is not set
+# CONFIG_C2PORT is not set
+
+#
+# EEPROM support
+#
+# CONFIG_EEPROM_AT24 is not set
+# CONFIG_EEPROM_AT25 is not set
+# CONFIG_EEPROM_LEGACY is not set
+# CONFIG_EEPROM_MAX6875 is not set
+# CONFIG_EEPROM_93CX6 is not set
+CONFIG_HAVE_IDE=y
+# CONFIG_IDE is not set
+
+#
+# SCSI device support
+#
+# CONFIG_RAID_ATTRS is not set
+# CONFIG_SCSI is not set
+# CONFIG_SCSI_DMA is not set
+# CONFIG_SCSI_NETLINK is not set
+# CONFIG_ATA is not set
+# CONFIG_MD is not set
+CONFIG_NETDEVICES=y
+# CONFIG_DUMMY is not set
+# CONFIG_BONDING is not set
+# CONFIG_MACVLAN is not set
+# CONFIG_EQUALIZER is not set
+# CONFIG_TUN is not set
+# CONFIG_VETH is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
+# CONFIG_NATIONAL_PHY is not set
+# CONFIG_STE10XP is not set
+# CONFIG_LSI_ET1011C_PHY is not set
+# CONFIG_FIXED_PHY is not set
+# CONFIG_MDIO_BITBANG is not set
+CONFIG_NET_ETHERNET=y
+CONFIG_MII=y
+CONFIG_BFIN_MAC=y
+CONFIG_BFIN_TX_DESC_NUM=10
+CONFIG_BFIN_RX_DESC_NUM=20
+# CONFIG_BFIN_MAC_RMII is not set
+CONFIG_BFIN_MAC_USE_HWSTAMP=y
+# CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
+# CONFIG_ENC28J60 is not set
+# CONFIG_ETHOC is not set
+# CONFIG_SMSC911X is not set
+# CONFIG_DNET is not set
+# CONFIG_ADF702X is not set
+# CONFIG_IBM_NEW_EMAC_ZMII is not set
+# CONFIG_IBM_NEW_EMAC_RGMII is not set
+# CONFIG_IBM_NEW_EMAC_TAH is not set
+# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
+# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
+# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
+# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
+# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
+# CONFIG_KS8851 is not set
+# CONFIG_KS8851_MLL is not set
+# CONFIG_NETDEV_1000 is not set
+# CONFIG_NETDEV_10000 is not set
+# CONFIG_WLAN is not set
+
+#
+# Enable WiMAX (Networking options) to see the WiMAX drivers
+#
+# CONFIG_WAN is not set
+# CONFIG_PPP is not set
+# CONFIG_SLIP is not set
+# CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
+# CONFIG_ISDN is not set
+# CONFIG_PHONE is not set
+
+#
+# Input device support
+#
+CONFIG_INPUT=y
+# CONFIG_INPUT_FF_MEMLESS is not set
+# CONFIG_INPUT_POLLDEV is not set
+
+#
+# Userland interfaces
+#
+# CONFIG_INPUT_MOUSEDEV is not set
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+# CONFIG_INPUT_KEYBOARD is not set
+# CONFIG_INPUT_MOUSE is not set
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+CONFIG_INPUT_MISC=y
+# CONFIG_INPUT_UINPUT is not set
+# CONFIG_INPUT_GPIO_ROTARY_ENCODER is not set
+# CONFIG_INPUT_AD714X is not set
+# CONFIG_INPUT_ADXL34X is not set
+# CONFIG_INPUT_PCF8574 is not set
+
+#
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
+# Character devices
+#
+CONFIG_BFIN_DMA_INTERFACE=m
+# CONFIG_BFIN_PPI is not set
+# CONFIG_BFIN_PPIFCD is not set
+# CONFIG_BFIN_SIMPLE_TIMER is not set
+# CONFIG_BFIN_SPI_ADC is not set
+# CONFIG_BFIN_SPORT is not set
+# CONFIG_BFIN_TWI_LCD is not set
+CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
+CONFIG_VT_CONSOLE=y
+CONFIG_HW_CONSOLE=y
+# CONFIG_VT_HW_CONSOLE_BINDING is not set
+# CONFIG_DEVKMEM is not set
+CONFIG_BFIN_JTAG_COMM=m
+# CONFIG_SERIAL_NONSTANDARD is not set
+
+#
+# Serial drivers
+#
+# CONFIG_SERIAL_8250 is not set
+
+#
+# Non-8250 serial port support
+#
+# CONFIG_SERIAL_MAX3100 is not set
+CONFIG_SERIAL_BFIN=y
+CONFIG_SERIAL_BFIN_CONSOLE=y
+CONFIG_SERIAL_BFIN_DMA=y
+# CONFIG_SERIAL_BFIN_PIO is not set
+CONFIG_SERIAL_BFIN_UART0=y
+# CONFIG_BFIN_UART0_CTSRTS is not set
+# CONFIG_SERIAL_BFIN_UART1 is not set
+CONFIG_SERIAL_CORE=y
+CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_BFIN_SPORT is not set
+CONFIG_UNIX98_PTYS=y
+# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
+# CONFIG_LEGACY_PTYS is not set
+CONFIG_BFIN_OTP=y
+# CONFIG_BFIN_OTP_WRITE_ENABLE is not set
+# CONFIG_IPMI_HANDLER is not set
+# CONFIG_HW_RANDOM is not set
+# CONFIG_R3964 is not set
+# CONFIG_RAW_DRIVER is not set
+# CONFIG_TCG_TPM is not set
+CONFIG_I2C=y
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_COMPAT=y
+CONFIG_I2C_CHARDEV=y
+CONFIG_I2C_HELPER_AUTO=y
+
+#
+# I2C Hardware Bus support
+#
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+CONFIG_I2C_BLACKFIN_TWI=y
+CONFIG_I2C_BLACKFIN_TWI_CLK_KHZ=100
+# CONFIG_I2C_GPIO is not set
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
+# CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_DS1682 is not set
+# CONFIG_SENSORS_TSL2550 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_BFIN=y
+CONFIG_SPI_BFIN_LOCK=y
+# CONFIG_SPI_BFIN_SPORT is not set
+# CONFIG_SPI_BITBANG is not set
+# CONFIG_SPI_GPIO is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_SPIDEV is not set
+# CONFIG_SPI_TLE62X0 is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+CONFIG_GPIOLIB=y
+# CONFIG_DEBUG_GPIO is not set
+CONFIG_GPIO_SYSFS=y
+
+#
+# Memory mapped GPIO expanders:
+#
+
+#
+# I2C GPIO expanders:
+#
+# CONFIG_GPIO_MAX732X is not set
+# CONFIG_GPIO_PCA953X is not set
+# CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
+
+#
+# PCI GPIO expanders:
+#
+
+#
+# SPI GPIO expanders:
+#
+# CONFIG_GPIO_MAX7301 is not set
+# CONFIG_GPIO_MCP23S08 is not set
+# CONFIG_GPIO_MC33880 is not set
+
+#
+# AC97 GPIO expanders:
+#
+# CONFIG_W1 is not set
+# CONFIG_POWER_SUPPLY is not set
+# CONFIG_HWMON is not set
+# CONFIG_THERMAL is not set
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+CONFIG_BFIN_WDT=y
+CONFIG_SSB_POSSIBLE=y
+
+#
+# Sonics Silicon Backplane
+#
+# CONFIG_SSB is not set
+
+#
+# Multifunction device drivers
+#
+# CONFIG_MFD_CORE is not set
+# CONFIG_MFD_SM501 is not set
+# CONFIG_HTC_PASIC3 is not set
+# CONFIG_TPS65010 is not set
+# CONFIG_TWL4030_CORE is not set
+# CONFIG_MFD_TMIO is not set
+# CONFIG_PMIC_DA903X is not set
+# CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_WM8400 is not set
+# CONFIG_MFD_WM831X is not set
+# CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_PCF50633 is not set
+# CONFIG_MFD_MC13783 is not set
+# CONFIG_AB3100_CORE is not set
+# CONFIG_EZX_PCAP is not set
+# CONFIG_REGULATOR is not set
+# CONFIG_MEDIA_SUPPORT is not set
+
+#
+# Graphics support
+#
+# CONFIG_VGASTATE is not set
+# CONFIG_VIDEO_OUTPUT_CONTROL is not set
+# CONFIG_FB is not set
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+
+#
+# Display device support
+#
+# CONFIG_DISPLAY_SUPPORT is not set
+
+#
+# Console display driver support
+#
+CONFIG_DUMMY_CONSOLE=y
+# CONFIG_SOUND is not set
+# CONFIG_HID_SUPPORT is not set
+# CONFIG_USB_SUPPORT is not set
+CONFIG_MMC=y
+CONFIG_MMC_DEBUG=y
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD/SDIO Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+CONFIG_MMC_BLOCK_BOUNCE=y
+# CONFIG_SDIO_UART is not set
+# CONFIG_MMC_TEST is not set
+
+#
+# MMC/SD/SDIO Host Controller Drivers
+#
+# CONFIG_MMC_SDHCI is not set
+# CONFIG_MMC_AT91 is not set
+# CONFIG_MMC_ATMELMCI is not set
+CONFIG_MMC_SPI=y
+# CONFIG_SDH_BFIN is not set
+# CONFIG_MEMSTICK is not set
+# CONFIG_NEW_LEDS is not set
+# CONFIG_ACCESSIBILITY is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1374 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+# CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
+# CONFIG_RTC_DRV_RX8581 is not set
+# CONFIG_RTC_DRV_RX8025 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_M41T94 is not set
+# CONFIG_RTC_DRV_DS1305 is not set
+# CONFIG_RTC_DRV_DS1390 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+# CONFIG_RTC_DRV_R9701 is not set
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_DS3234 is not set
+# CONFIG_RTC_DRV_PCF2123 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_DS1286 is not set
+# CONFIG_RTC_DRV_DS1511 is not set
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_M48T35 is not set
+# CONFIG_RTC_DRV_M48T59 is not set
+# CONFIG_RTC_DRV_BQ4802 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+CONFIG_RTC_DRV_BFIN=y
+# CONFIG_DMADEVICES is not set
+# CONFIG_AUXDISPLAY is not set
+# CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
+# CONFIG_STAGING is not set
+
+#
+# Firmware Drivers
+#
+# CONFIG_FIRMWARE_MEMMAP is not set
+# CONFIG_SIGMA is not set
+
+#
+# File systems
+#
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT3_FS is not set
+# CONFIG_EXT4_FS is not set
+# CONFIG_REISERFS_FS is not set
+# CONFIG_JFS_FS is not set
+# CONFIG_FS_POSIX_ACL is not set
+# CONFIG_XFS_FS is not set
+# CONFIG_OCFS2_FS is not set
+# CONFIG_BTRFS_FS is not set
+# CONFIG_NILFS2_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
+# CONFIG_DNOTIFY is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
+# CONFIG_QUOTA is not set
+# CONFIG_AUTOFS_FS is not set
+# CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
+
+#
+# Caches
+#
+# CONFIG_FSCACHE is not set
+
+#
+# CD-ROM/DVD Filesystems
+#
+# CONFIG_ISO9660_FS is not set
+# CONFIG_UDF_FS is not set
+
+#
+# DOS/FAT/NT Filesystems
+#
+CONFIG_FAT_FS=m
+# CONFIG_MSDOS_FS is not set
+CONFIG_VFAT_FS=m
+CONFIG_FAT_DEFAULT_CODEPAGE=437
+CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
+# CONFIG_NTFS_FS is not set
+
+#
+# Pseudo filesystems
+#
+CONFIG_PROC_FS=y
+CONFIG_PROC_SYSCTL=y
+CONFIG_SYSFS=y
+# CONFIG_HUGETLB_PAGE is not set
+# CONFIG_CONFIGFS_FS is not set
+# CONFIG_MISC_FILESYSTEMS is not set
+CONFIG_NETWORK_FILESYSTEMS=y
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+# CONFIG_NFS_V3_ACL is not set
+# CONFIG_NFS_V4 is not set
+CONFIG_ROOT_NFS=y
+# CONFIG_NFSD is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+# CONFIG_RPCSEC_GSS_KRB5 is not set
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
+# CONFIG_SMB_FS is not set
+# CONFIG_CIFS is not set
+# CONFIG_NCP_FS is not set
+# CONFIG_CODA_FS is not set
+# CONFIG_AFS_FS is not set
+
+#
+# Partition Types
+#
+# CONFIG_PARTITION_ADVANCED is not set
+CONFIG_MSDOS_PARTITION=y
+CONFIG_NLS=m
+CONFIG_NLS_DEFAULT="iso8859-1"
+CONFIG_NLS_CODEPAGE_437=m
+# CONFIG_NLS_CODEPAGE_737 is not set
+# CONFIG_NLS_CODEPAGE_775 is not set
+# CONFIG_NLS_CODEPAGE_850 is not set
+# CONFIG_NLS_CODEPAGE_852 is not set
+# CONFIG_NLS_CODEPAGE_855 is not set
+# CONFIG_NLS_CODEPAGE_857 is not set
+# CONFIG_NLS_CODEPAGE_860 is not set
+# CONFIG_NLS_CODEPAGE_861 is not set
+# CONFIG_NLS_CODEPAGE_862 is not set
+# CONFIG_NLS_CODEPAGE_863 is not set
+# CONFIG_NLS_CODEPAGE_864 is not set
+# CONFIG_NLS_CODEPAGE_865 is not set
+# CONFIG_NLS_CODEPAGE_866 is not set
+# CONFIG_NLS_CODEPAGE_869 is not set
+# CONFIG_NLS_CODEPAGE_936 is not set
+# CONFIG_NLS_CODEPAGE_950 is not set
+# CONFIG_NLS_CODEPAGE_932 is not set
+# CONFIG_NLS_CODEPAGE_949 is not set
+# CONFIG_NLS_CODEPAGE_874 is not set
+# CONFIG_NLS_ISO8859_8 is not set
+# CONFIG_NLS_CODEPAGE_1250 is not set
+# CONFIG_NLS_CODEPAGE_1251 is not set
+# CONFIG_NLS_ASCII is not set
+CONFIG_NLS_ISO8859_1=m
+# CONFIG_NLS_ISO8859_2 is not set
+# CONFIG_NLS_ISO8859_3 is not set
+# CONFIG_NLS_ISO8859_4 is not set
+# CONFIG_NLS_ISO8859_5 is not set
+# CONFIG_NLS_ISO8859_6 is not set
+# CONFIG_NLS_ISO8859_7 is not set
+# CONFIG_NLS_ISO8859_9 is not set
+# CONFIG_NLS_ISO8859_13 is not set
+# CONFIG_NLS_ISO8859_14 is not set
+# CONFIG_NLS_ISO8859_15 is not set
+# CONFIG_NLS_KOI8_R is not set
+# CONFIG_NLS_KOI8_U is not set
+CONFIG_NLS_UTF8=m
+# CONFIG_DLM is not set
+
+#
+# Kernel hacking
+#
+# CONFIG_PRINTK_TIME is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
+CONFIG_FRAME_WARN=1024
+# CONFIG_MAGIC_SYSRQ is not set
+# CONFIG_STRIP_ASM_SYMS is not set
+# CONFIG_UNUSED_SYMBOLS is not set
+CONFIG_DEBUG_FS=y
+# CONFIG_HEADERS_CHECK is not set
+CONFIG_DEBUG_SECTION_MISMATCH=y
+CONFIG_DEBUG_KERNEL=y
+CONFIG_DEBUG_SHIRQ=y
+CONFIG_DETECT_SOFTLOCKUP=y
+# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
+CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
+CONFIG_DETECT_HUNG_TASK=y
+# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
+CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
+CONFIG_SCHED_DEBUG=y
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_TIMER_STATS is not set
+# CONFIG_DEBUG_OBJECTS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_MUTEXES is not set
+# CONFIG_DEBUG_LOCK_ALLOC is not set
+# CONFIG_PROVE_LOCKING is not set
+# CONFIG_LOCK_STAT is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
+# CONFIG_DEBUG_KOBJECT is not set
+CONFIG_DEBUG_BUGVERBOSE=y
+CONFIG_DEBUG_INFO=y
+# CONFIG_DEBUG_VM is not set
+# CONFIG_DEBUG_NOMMU_REGIONS is not set
+# CONFIG_DEBUG_WRITECOUNT is not set
+# CONFIG_DEBUG_MEMORY_INIT is not set
+# CONFIG_DEBUG_LIST is not set
+# CONFIG_DEBUG_SG is not set
+# CONFIG_DEBUG_NOTIFIERS is not set
+# CONFIG_DEBUG_CREDENTIALS is not set
+# CONFIG_FRAME_POINTER is not set
+# CONFIG_BOOT_PRINTK_DELAY is not set
+# CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
+# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
+# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
+# CONFIG_FAULT_INJECTION is not set
+# CONFIG_PAGE_POISONING is not set
+CONFIG_HAVE_FUNCTION_TRACER=y
+CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
+CONFIG_TRACING_SUPPORT=y
+# CONFIG_FTRACE is not set
+# CONFIG_DYNAMIC_DEBUG is not set
+# CONFIG_SAMPLES is not set
+CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
+# CONFIG_DEBUG_STACKOVERFLOW is not set
+# CONFIG_DEBUG_STACK_USAGE is not set
+CONFIG_DEBUG_VERBOSE=y
+CONFIG_DEBUG_MMRS=y
+CONFIG_DEBUG_HWERR=y
+CONFIG_EXACT_HWERR=y
+CONFIG_DEBUG_DOUBLEFAULT=y
+CONFIG_DEBUG_DOUBLEFAULT_PRINT=y
+# CONFIG_DEBUG_DOUBLEFAULT_RESET is not set
+# CONFIG_DEBUG_ICACHE_CHECK is not set
+CONFIG_DEBUG_HUNT_FOR_ZERO=y
+CONFIG_DEBUG_BFIN_HWTRACE_ON=y
+# CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_OFF is not set
+CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_ONE=y
+# CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION_TWO is not set
+CONFIG_DEBUG_BFIN_HWTRACE_COMPRESSION=1
+# CONFIG_DEBUG_BFIN_HWTRACE_EXPAND is not set
+CONFIG_DEBUG_BFIN_NO_KERN_HWTRACE=y
+CONFIG_EARLY_PRINTK=y
+CONFIG_CPLB_INFO=y
+CONFIG_ACCESS_CHECK=y
+# CONFIG_BFIN_ISRAM_SELF_TEST is not set
+
+#
+# Security options
+#
+# CONFIG_KEYS is not set
+CONFIG_SECURITY=y
+# CONFIG_SECURITYFS is not set
+# CONFIG_SECURITY_NETWORK is not set
+# CONFIG_SECURITY_PATH is not set
+# CONFIG_SECURITY_FILE_CAPABILITIES is not set
+# CONFIG_SECURITY_TOMOYO is not set
+CONFIG_CRYPTO=y
+
+#
+# Crypto core or helper
+#
+# CONFIG_CRYPTO_MANAGER is not set
+# CONFIG_CRYPTO_MANAGER2 is not set
+# CONFIG_CRYPTO_GF128MUL is not set
+# CONFIG_CRYPTO_NULL is not set
+# CONFIG_CRYPTO_CRYPTD is not set
+# CONFIG_CRYPTO_AUTHENC is not set
+# CONFIG_CRYPTO_TEST is not set
+
+#
+# Authenticated Encryption with Associated Data
+#
+# CONFIG_CRYPTO_CCM is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_SEQIV is not set
+
+#
+# Block modes
+#
+# CONFIG_CRYPTO_CBC is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_CTS is not set
+# CONFIG_CRYPTO_ECB is not set
+# CONFIG_CRYPTO_LRW is not set
+# CONFIG_CRYPTO_PCBC is not set
+# CONFIG_CRYPTO_XTS is not set
+
+#
+# Hash modes
+#
+# CONFIG_CRYPTO_HMAC is not set
+# CONFIG_CRYPTO_XCBC is not set
+# CONFIG_CRYPTO_VMAC is not set
+
+#
+# Digest
+#
+# CONFIG_CRYPTO_CRC32C is not set
+# CONFIG_CRYPTO_GHASH is not set
+# CONFIG_CRYPTO_MD4 is not set
+# CONFIG_CRYPTO_MD5 is not set
+# CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
+# CONFIG_CRYPTO_SHA1 is not set
+# CONFIG_CRYPTO_SHA256 is not set
+# CONFIG_CRYPTO_SHA512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
+# CONFIG_CRYPTO_WP512 is not set
+
+#
+# Ciphers
+#
+# CONFIG_CRYPTO_AES is not set
+# CONFIG_CRYPTO_ANUBIS is not set
+# CONFIG_CRYPTO_ARC4 is not set
+# CONFIG_CRYPTO_BLOWFISH is not set
+# CONFIG_CRYPTO_CAMELLIA is not set
+# CONFIG_CRYPTO_CAST5 is not set
+# CONFIG_CRYPTO_CAST6 is not set
+# CONFIG_CRYPTO_DES is not set
+# CONFIG_CRYPTO_FCRYPT is not set
+# CONFIG_CRYPTO_KHAZAD is not set
+# CONFIG_CRYPTO_SALSA20 is not set
+# CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SERPENT is not set
+# CONFIG_CRYPTO_TEA is not set
+# CONFIG_CRYPTO_TWOFISH is not set
+
+#
+# Compression
+#
+# CONFIG_CRYPTO_DEFLATE is not set
+# CONFIG_CRYPTO_ZLIB is not set
+# CONFIG_CRYPTO_LZO is not set
+
+#
+# Random Number Generation
+#
+# CONFIG_CRYPTO_ANSI_CPRNG is not set
+CONFIG_CRYPTO_HW=y
+# CONFIG_BINARY_PRINTF is not set
+
+#
+# Library routines
+#
+CONFIG_BITREVERSE=y
+CONFIG_GENERIC_FIND_LAST_BIT=y
+CONFIG_CRC_CCITT=m
+# CONFIG_CRC16 is not set
+# CONFIG_CRC_T10DIF is not set
+CONFIG_CRC_ITU_T=y
+CONFIG_CRC32=y
+CONFIG_CRC7=y
+# CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_HAS_IOMEM=y
+CONFIG_HAS_IOPORT=y
+CONFIG_HAS_DMA=y
+CONFIG_NLATTR=y
diff --git a/arch/blackfin/include/asm/bfin-lq035q1.h b/arch/blackfin/include/asm/bfin-lq035q1.h
index 57bc21ac2296..836895156b5b 100644
--- a/arch/blackfin/include/asm/bfin-lq035q1.h
+++ b/arch/blackfin/include/asm/bfin-lq035q1.h
@@ -8,6 +8,9 @@
 #ifndef BFIN_LQ035Q1_H
 #define BFIN_LQ035Q1_H
 
+/*
+ * LCD Modes
+ */
 #define LQ035_RL	(0 << 8)	/* Right -> Left Scan */
 #define LQ035_LR	(1 << 8)	/* Left -> Right Scan */
 #define LQ035_TB	(1 << 9)	/* Top -> Botton Scan */
@@ -17,9 +20,18 @@
 #define LQ035_NORM	(1 << 13)	/* Reversal */
 #define LQ035_REV	(0 << 13)	/* Reversal */
 
+/*
+ * PPI Modes
+ */
+
+#define USE_RGB565_16_BIT_PPI	1
+#define USE_RGB565_8_BIT_PPI	2
+#define USE_RGB888_8_BIT_PPI	3
+
 struct bfin_lq035q1fb_disp_info {
 
 	unsigned	mode;
+	unsigned	ppi_mode;
 	/* GPIOs */
 	int		use_bl;
 	unsigned 	gpio_bl;
diff --git a/arch/blackfin/include/asm/bfin_can.h b/arch/blackfin/include/asm/bfin_can.h
new file mode 100644
index 000000000000..eec0076a385b
--- /dev/null
+++ b/arch/blackfin/include/asm/bfin_can.h
@@ -0,0 +1,725 @@
+/*
+ * bfin_can.h - interface to Blackfin CANs
+ *
+ * Copyright 2004-2009 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __ASM_BFIN_CAN_H__
+#define __ASM_BFIN_CAN_H__
+
+/*
+ * transmit and receive channels
+ */
+#define TRANSMIT_CHL            24
+#define RECEIVE_STD_CHL         0
+#define RECEIVE_EXT_CHL         4
+#define RECEIVE_RTR_CHL         8
+#define RECEIVE_EXT_RTR_CHL     12
+#define MAX_CHL_NUMBER          32
+
+/*
+ * All Blackfin system MMRs are padded to 32bits even if the register
+ * itself is only 16bits.  So use a helper macro to streamline this.
+ */
+#define __BFP(m) u16 m; u16 __pad_##m
+
+/*
+ * bfin can registers layout
+ */
+struct bfin_can_mask_regs {
+	__BFP(aml);
+	__BFP(amh);
+};
+
+struct bfin_can_channel_regs {
+	u16 data[8];
+	__BFP(dlc);
+	__BFP(tsv);
+	__BFP(id0);
+	__BFP(id1);
+};
+
+struct bfin_can_regs {
+	/*
+	 * global control and status registers
+	 */
+	__BFP(mc1);           /* offset 0x00 */
+	__BFP(md1);           /* offset 0x04 */
+	__BFP(trs1);          /* offset 0x08 */
+	__BFP(trr1);          /* offset 0x0c */
+	__BFP(ta1);           /* offset 0x10 */
+	__BFP(aa1);           /* offset 0x14 */
+	__BFP(rmp1);          /* offset 0x18 */
+	__BFP(rml1);          /* offset 0x1c */
+	__BFP(mbtif1);        /* offset 0x20 */
+	__BFP(mbrif1);        /* offset 0x24 */
+	__BFP(mbim1);         /* offset 0x28 */
+	__BFP(rfh1);          /* offset 0x2c */
+	__BFP(opss1);         /* offset 0x30 */
+	u32 __pad1[3];
+	__BFP(mc2);           /* offset 0x40 */
+	__BFP(md2);           /* offset 0x44 */
+	__BFP(trs2);          /* offset 0x48 */
+	__BFP(trr2);          /* offset 0x4c */
+	__BFP(ta2);           /* offset 0x50 */
+	__BFP(aa2);           /* offset 0x54 */
+	__BFP(rmp2);          /* offset 0x58 */
+	__BFP(rml2);          /* offset 0x5c */
+	__BFP(mbtif2);        /* offset 0x60 */
+	__BFP(mbrif2);        /* offset 0x64 */
+	__BFP(mbim2);         /* offset 0x68 */
+	__BFP(rfh2);          /* offset 0x6c */
+	__BFP(opss2);         /* offset 0x70 */
+	u32 __pad2[3];
+	__BFP(clock);         /* offset 0x80 */
+	__BFP(timing);        /* offset 0x84 */
+	__BFP(debug);         /* offset 0x88 */
+	__BFP(status);        /* offset 0x8c */
+	__BFP(cec);           /* offset 0x90 */
+	__BFP(gis);           /* offset 0x94 */
+	__BFP(gim);           /* offset 0x98 */
+	__BFP(gif);           /* offset 0x9c */
+	__BFP(control);       /* offset 0xa0 */
+	__BFP(intr);          /* offset 0xa4 */
+	u32 __pad3[1];
+	__BFP(mbtd);          /* offset 0xac */
+	__BFP(ewr);           /* offset 0xb0 */
+	__BFP(esr);           /* offset 0xb4 */
+	u32 __pad4[2];
+	__BFP(ucreg);         /* offset 0xc0 */
+	__BFP(uccnt);         /* offset 0xc4 */
+	__BFP(ucrc);          /* offset 0xc8 */
+	__BFP(uccnf);         /* offset 0xcc */
+	u32 __pad5[12];
+
+	/*
+	 * channel(mailbox) mask and message registers
+	 */
+	struct bfin_can_mask_regs msk[MAX_CHL_NUMBER];    /* offset 0x100 */
+	struct bfin_can_channel_regs chl[MAX_CHL_NUMBER]; /* offset 0x200 */
+};
+
+#undef __BFP
+
+/* CAN_CONTROL Masks */
+#define SRS			0x0001	/* Software Reset */
+#define DNM			0x0002	/* Device Net Mode */
+#define ABO			0x0004	/* Auto-Bus On Enable */
+#define TXPRIO		0x0008	/* TX Priority (Priority/Mailbox*) */
+#define WBA			0x0010	/* Wake-Up On CAN Bus Activity Enable */
+#define SMR			0x0020	/* Sleep Mode Request */
+#define CSR			0x0040	/* CAN Suspend Mode Request */
+#define CCR			0x0080	/* CAN Configuration Mode Request */
+
+/* CAN_STATUS Masks */
+#define WT			0x0001	/* TX Warning Flag */
+#define WR			0x0002	/* RX Warning Flag */
+#define EP			0x0004	/* Error Passive Mode */
+#define EBO			0x0008	/* Error Bus Off Mode */
+#define SMA			0x0020	/* Sleep Mode Acknowledge */
+#define CSA			0x0040	/* Suspend Mode Acknowledge */
+#define CCA			0x0080	/* Configuration Mode Acknowledge */
+#define MBPTR		0x1F00	/* Mailbox Pointer */
+#define TRM			0x4000	/* Transmit Mode */
+#define REC			0x8000	/* Receive Mode */
+
+/* CAN_CLOCK Masks */
+#define BRP			0x03FF	/* Bit-Rate Pre-Scaler */
+
+/* CAN_TIMING Masks */
+#define TSEG1		0x000F	/* Time Segment 1 */
+#define TSEG2		0x0070	/* Time Segment 2 */
+#define SAM			0x0080	/* Sampling */
+#define SJW			0x0300	/* Synchronization Jump Width */
+
+/* CAN_DEBUG Masks */
+#define DEC			0x0001	/* Disable CAN Error Counters */
+#define DRI			0x0002	/* Disable CAN RX Input */
+#define DTO			0x0004	/* Disable CAN TX Output */
+#define DIL			0x0008	/* Disable CAN Internal Loop */
+#define MAA			0x0010	/* Mode Auto-Acknowledge Enable */
+#define MRB			0x0020	/* Mode Read Back Enable */
+#define CDE			0x8000	/* CAN Debug Enable */
+
+/* CAN_CEC Masks */
+#define RXECNT		0x00FF	/* Receive Error Counter */
+#define TXECNT		0xFF00	/* Transmit Error Counter */
+
+/* CAN_INTR Masks */
+#define MBRIRQ	0x0001	/* Mailbox Receive Interrupt */
+#define MBTIRQ	0x0002	/* Mailbox Transmit Interrupt */
+#define GIRQ		0x0004	/* Global Interrupt */
+#define SMACK		0x0008	/* Sleep Mode Acknowledge */
+#define CANTX		0x0040	/* CAN TX Bus Value */
+#define CANRX		0x0080	/* CAN RX Bus Value */
+
+/* CAN_MBxx_ID1 and CAN_MBxx_ID0 Masks */
+#define DFC			0xFFFF	/* Data Filtering Code (If Enabled) (ID0) */
+#define EXTID_LO	0xFFFF	/* Lower 16 Bits of Extended Identifier (ID0) */
+#define EXTID_HI	0x0003	/* Upper 2 Bits of Extended Identifier (ID1) */
+#define BASEID		0x1FFC	/* Base Identifier */
+#define IDE			0x2000	/* Identifier Extension */
+#define RTR			0x4000	/* Remote Frame Transmission Request */
+#define AME			0x8000	/* Acceptance Mask Enable */
+
+/* CAN_MBxx_TIMESTAMP Masks */
+#define TSV			0xFFFF	/* Timestamp */
+
+/* CAN_MBxx_LENGTH Masks */
+#define DLC			0x000F	/* Data Length Code */
+
+/* CAN_AMxxH and CAN_AMxxL Masks */
+#define DFM			0xFFFF	/* Data Field Mask (If Enabled) (CAN_AMxxL) */
+#define EXTID_LO	0xFFFF	/* Lower 16 Bits of Extended Identifier (CAN_AMxxL) */
+#define EXTID_HI	0x0003	/* Upper 2 Bits of Extended Identifier (CAN_AMxxH) */
+#define BASEID		0x1FFC	/* Base Identifier */
+#define AMIDE		0x2000	/* Acceptance Mask ID Extension Enable */
+#define FMD			0x4000	/* Full Mask Data Field Enable */
+#define FDF			0x8000	/* Filter On Data Field Enable */
+
+/* CAN_MC1 Masks */
+#define MC0			0x0001	/* Enable Mailbox 0 */
+#define MC1			0x0002	/* Enable Mailbox 1 */
+#define MC2			0x0004	/* Enable Mailbox 2 */
+#define MC3			0x0008	/* Enable Mailbox 3 */
+#define MC4			0x0010	/* Enable Mailbox 4 */
+#define MC5			0x0020	/* Enable Mailbox 5 */
+#define MC6			0x0040	/* Enable Mailbox 6 */
+#define MC7			0x0080	/* Enable Mailbox 7 */
+#define MC8			0x0100	/* Enable Mailbox 8 */
+#define MC9			0x0200	/* Enable Mailbox 9 */
+#define MC10		0x0400	/* Enable Mailbox 10 */
+#define MC11		0x0800	/* Enable Mailbox 11 */
+#define MC12		0x1000	/* Enable Mailbox 12 */
+#define MC13		0x2000	/* Enable Mailbox 13 */
+#define MC14		0x4000	/* Enable Mailbox 14 */
+#define MC15		0x8000	/* Enable Mailbox 15 */
+
+/* CAN_MC2 Masks */
+#define MC16		0x0001	/* Enable Mailbox 16 */
+#define MC17		0x0002	/* Enable Mailbox 17 */
+#define MC18		0x0004	/* Enable Mailbox 18 */
+#define MC19		0x0008	/* Enable Mailbox 19 */
+#define MC20		0x0010	/* Enable Mailbox 20 */
+#define MC21		0x0020	/* Enable Mailbox 21 */
+#define MC22		0x0040	/* Enable Mailbox 22 */
+#define MC23		0x0080	/* Enable Mailbox 23 */
+#define MC24		0x0100	/* Enable Mailbox 24 */
+#define MC25		0x0200	/* Enable Mailbox 25 */
+#define MC26		0x0400	/* Enable Mailbox 26 */
+#define MC27		0x0800	/* Enable Mailbox 27 */
+#define MC28		0x1000	/* Enable Mailbox 28 */
+#define MC29		0x2000	/* Enable Mailbox 29 */
+#define MC30		0x4000	/* Enable Mailbox 30 */
+#define MC31		0x8000	/* Enable Mailbox 31 */
+
+/* CAN_MD1 Masks */
+#define MD0			0x0001	/* Enable Mailbox 0 For Receive */
+#define MD1			0x0002	/* Enable Mailbox 1 For Receive */
+#define MD2			0x0004	/* Enable Mailbox 2 For Receive */
+#define MD3			0x0008	/* Enable Mailbox 3 For Receive */
+#define MD4			0x0010	/* Enable Mailbox 4 For Receive */
+#define MD5			0x0020	/* Enable Mailbox 5 For Receive */
+#define MD6			0x0040	/* Enable Mailbox 6 For Receive */
+#define MD7			0x0080	/* Enable Mailbox 7 For Receive */
+#define MD8			0x0100	/* Enable Mailbox 8 For Receive */
+#define MD9			0x0200	/* Enable Mailbox 9 For Receive */
+#define MD10		0x0400	/* Enable Mailbox 10 For Receive */
+#define MD11		0x0800	/* Enable Mailbox 11 For Receive */
+#define MD12		0x1000	/* Enable Mailbox 12 For Receive */
+#define MD13		0x2000	/* Enable Mailbox 13 For Receive */
+#define MD14		0x4000	/* Enable Mailbox 14 For Receive */
+#define MD15		0x8000	/* Enable Mailbox 15 For Receive */
+
+/* CAN_MD2 Masks */
+#define MD16		0x0001	/* Enable Mailbox 16 For Receive */
+#define MD17		0x0002	/* Enable Mailbox 17 For Receive */
+#define MD18		0x0004	/* Enable Mailbox 18 For Receive */
+#define MD19		0x0008	/* Enable Mailbox 19 For Receive */
+#define MD20		0x0010	/* Enable Mailbox 20 For Receive */
+#define MD21		0x0020	/* Enable Mailbox 21 For Receive */
+#define MD22		0x0040	/* Enable Mailbox 22 For Receive */
+#define MD23		0x0080	/* Enable Mailbox 23 For Receive */
+#define MD24		0x0100	/* Enable Mailbox 24 For Receive */
+#define MD25		0x0200	/* Enable Mailbox 25 For Receive */
+#define MD26		0x0400	/* Enable Mailbox 26 For Receive */
+#define MD27		0x0800	/* Enable Mailbox 27 For Receive */
+#define MD28		0x1000	/* Enable Mailbox 28 For Receive */
+#define MD29		0x2000	/* Enable Mailbox 29 For Receive */
+#define MD30		0x4000	/* Enable Mailbox 30 For Receive */
+#define MD31		0x8000	/* Enable Mailbox 31 For Receive */
+
+/* CAN_RMP1 Masks */
+#define RMP0		0x0001	/* RX Message Pending In Mailbox 0 */
+#define RMP1		0x0002	/* RX Message Pending In Mailbox 1 */
+#define RMP2		0x0004	/* RX Message Pending In Mailbox 2 */
+#define RMP3		0x0008	/* RX Message Pending In Mailbox 3 */
+#define RMP4		0x0010	/* RX Message Pending In Mailbox 4 */
+#define RMP5		0x0020	/* RX Message Pending In Mailbox 5 */
+#define RMP6		0x0040	/* RX Message Pending In Mailbox 6 */
+#define RMP7		0x0080	/* RX Message Pending In Mailbox 7 */
+#define RMP8		0x0100	/* RX Message Pending In Mailbox 8 */
+#define RMP9		0x0200	/* RX Message Pending In Mailbox 9 */
+#define RMP10		0x0400	/* RX Message Pending In Mailbox 10 */
+#define RMP11		0x0800	/* RX Message Pending In Mailbox 11 */
+#define RMP12		0x1000	/* RX Message Pending In Mailbox 12 */
+#define RMP13		0x2000	/* RX Message Pending In Mailbox 13 */
+#define RMP14		0x4000	/* RX Message Pending In Mailbox 14 */
+#define RMP15		0x8000	/* RX Message Pending In Mailbox 15 */
+
+/* CAN_RMP2 Masks */
+#define RMP16		0x0001	/* RX Message Pending In Mailbox 16 */
+#define RMP17		0x0002	/* RX Message Pending In Mailbox 17 */
+#define RMP18		0x0004	/* RX Message Pending In Mailbox 18 */
+#define RMP19		0x0008	/* RX Message Pending In Mailbox 19 */
+#define RMP20		0x0010	/* RX Message Pending In Mailbox 20 */
+#define RMP21		0x0020	/* RX Message Pending In Mailbox 21 */
+#define RMP22		0x0040	/* RX Message Pending In Mailbox 22 */
+#define RMP23		0x0080	/* RX Message Pending In Mailbox 23 */
+#define RMP24		0x0100	/* RX Message Pending In Mailbox 24 */
+#define RMP25		0x0200	/* RX Message Pending In Mailbox 25 */
+#define RMP26		0x0400	/* RX Message Pending In Mailbox 26 */
+#define RMP27		0x0800	/* RX Message Pending In Mailbox 27 */
+#define RMP28		0x1000	/* RX Message Pending In Mailbox 28 */
+#define RMP29		0x2000	/* RX Message Pending In Mailbox 29 */
+#define RMP30		0x4000	/* RX Message Pending In Mailbox 30 */
+#define RMP31		0x8000	/* RX Message Pending In Mailbox 31 */
+
+/* CAN_RML1 Masks */
+#define RML0		0x0001	/* RX Message Lost In Mailbox 0 */
+#define RML1		0x0002	/* RX Message Lost In Mailbox 1 */
+#define RML2		0x0004	/* RX Message Lost In Mailbox 2 */
+#define RML3		0x0008	/* RX Message Lost In Mailbox 3 */
+#define RML4		0x0010	/* RX Message Lost In Mailbox 4 */
+#define RML5		0x0020	/* RX Message Lost In Mailbox 5 */
+#define RML6		0x0040	/* RX Message Lost In Mailbox 6 */
+#define RML7		0x0080	/* RX Message Lost In Mailbox 7 */
+#define RML8		0x0100	/* RX Message Lost In Mailbox 8 */
+#define RML9		0x0200	/* RX Message Lost In Mailbox 9 */
+#define RML10		0x0400	/* RX Message Lost In Mailbox 10 */
+#define RML11		0x0800	/* RX Message Lost In Mailbox 11 */
+#define RML12		0x1000	/* RX Message Lost In Mailbox 12 */
+#define RML13		0x2000	/* RX Message Lost In Mailbox 13 */
+#define RML14		0x4000	/* RX Message Lost In Mailbox 14 */
+#define RML15		0x8000	/* RX Message Lost In Mailbox 15 */
+
+/* CAN_RML2 Masks */
+#define RML16		0x0001	/* RX Message Lost In Mailbox 16 */
+#define RML17		0x0002	/* RX Message Lost In Mailbox 17 */
+#define RML18		0x0004	/* RX Message Lost In Mailbox 18 */
+#define RML19		0x0008	/* RX Message Lost In Mailbox 19 */
+#define RML20		0x0010	/* RX Message Lost In Mailbox 20 */
+#define RML21		0x0020	/* RX Message Lost In Mailbox 21 */
+#define RML22		0x0040	/* RX Message Lost In Mailbox 22 */
+#define RML23		0x0080	/* RX Message Lost In Mailbox 23 */
+#define RML24		0x0100	/* RX Message Lost In Mailbox 24 */
+#define RML25		0x0200	/* RX Message Lost In Mailbox 25 */
+#define RML26		0x0400	/* RX Message Lost In Mailbox 26 */
+#define RML27		0x0800	/* RX Message Lost In Mailbox 27 */
+#define RML28		0x1000	/* RX Message Lost In Mailbox 28 */
+#define RML29		0x2000	/* RX Message Lost In Mailbox 29 */
+#define RML30		0x4000	/* RX Message Lost In Mailbox 30 */
+#define RML31		0x8000	/* RX Message Lost In Mailbox 31 */
+
+/* CAN_OPSS1 Masks */
+#define OPSS0		0x0001	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 0 */
+#define OPSS1		0x0002	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 1 */
+#define OPSS2		0x0004	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 2 */
+#define OPSS3		0x0008	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 3 */
+#define OPSS4		0x0010	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 4 */
+#define OPSS5		0x0020	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 5 */
+#define OPSS6		0x0040	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 6 */
+#define OPSS7		0x0080	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 7 */
+#define OPSS8		0x0100	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 8 */
+#define OPSS9		0x0200	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 9 */
+#define OPSS10		0x0400	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 10 */
+#define OPSS11		0x0800	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 11 */
+#define OPSS12		0x1000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 12 */
+#define OPSS13		0x2000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 13 */
+#define OPSS14		0x4000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 14 */
+#define OPSS15		0x8000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 15 */
+
+/* CAN_OPSS2 Masks */
+#define OPSS16		0x0001	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 16 */
+#define OPSS17		0x0002	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 17 */
+#define OPSS18		0x0004	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 18 */
+#define OPSS19		0x0008	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 19 */
+#define OPSS20		0x0010	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 20 */
+#define OPSS21		0x0020	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 21 */
+#define OPSS22		0x0040	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 22 */
+#define OPSS23		0x0080	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 23 */
+#define OPSS24		0x0100	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 24 */
+#define OPSS25		0x0200	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 25 */
+#define OPSS26		0x0400	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 26 */
+#define OPSS27		0x0800	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 27 */
+#define OPSS28		0x1000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 28 */
+#define OPSS29		0x2000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 29 */
+#define OPSS30		0x4000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 30 */
+#define OPSS31		0x8000	/* Enable RX Overwrite Protection or TX Single-Shot For Mailbox 31 */
+
+/* CAN_TRR1 Masks */
+#define TRR0		0x0001	/* Deny But Don't Lock Access To Mailbox 0 */
+#define TRR1		0x0002	/* Deny But Don't Lock Access To Mailbox 1 */
+#define TRR2		0x0004	/* Deny But Don't Lock Access To Mailbox 2 */
+#define TRR3		0x0008	/* Deny But Don't Lock Access To Mailbox 3 */
+#define TRR4		0x0010	/* Deny But Don't Lock Access To Mailbox 4 */
+#define TRR5		0x0020	/* Deny But Don't Lock Access To Mailbox 5 */
+#define TRR6		0x0040	/* Deny But Don't Lock Access To Mailbox 6 */
+#define TRR7		0x0080	/* Deny But Don't Lock Access To Mailbox 7 */
+#define TRR8		0x0100	/* Deny But Don't Lock Access To Mailbox 8 */
+#define TRR9		0x0200	/* Deny But Don't Lock Access To Mailbox 9 */
+#define TRR10		0x0400	/* Deny But Don't Lock Access To Mailbox 10 */
+#define TRR11		0x0800	/* Deny But Don't Lock Access To Mailbox 11 */
+#define TRR12		0x1000	/* Deny But Don't Lock Access To Mailbox 12 */
+#define TRR13		0x2000	/* Deny But Don't Lock Access To Mailbox 13 */
+#define TRR14		0x4000	/* Deny But Don't Lock Access To Mailbox 14 */
+#define TRR15		0x8000	/* Deny But Don't Lock Access To Mailbox 15 */
+
+/* CAN_TRR2 Masks */
+#define TRR16		0x0001	/* Deny But Don't Lock Access To Mailbox 16 */
+#define TRR17		0x0002	/* Deny But Don't Lock Access To Mailbox 17 */
+#define TRR18		0x0004	/* Deny But Don't Lock Access To Mailbox 18 */
+#define TRR19		0x0008	/* Deny But Don't Lock Access To Mailbox 19 */
+#define TRR20		0x0010	/* Deny But Don't Lock Access To Mailbox 20 */
+#define TRR21		0x0020	/* Deny But Don't Lock Access To Mailbox 21 */
+#define TRR22		0x0040	/* Deny But Don't Lock Access To Mailbox 22 */
+#define TRR23		0x0080	/* Deny But Don't Lock Access To Mailbox 23 */
+#define TRR24		0x0100	/* Deny But Don't Lock Access To Mailbox 24 */
+#define TRR25		0x0200	/* Deny But Don't Lock Access To Mailbox 25 */
+#define TRR26		0x0400	/* Deny But Don't Lock Access To Mailbox 26 */
+#define TRR27		0x0800	/* Deny But Don't Lock Access To Mailbox 27 */
+#define TRR28		0x1000	/* Deny But Don't Lock Access To Mailbox 28 */
+#define TRR29		0x2000	/* Deny But Don't Lock Access To Mailbox 29 */
+#define TRR30		0x4000	/* Deny But Don't Lock Access To Mailbox 30 */
+#define TRR31		0x8000	/* Deny But Don't Lock Access To Mailbox 31 */
+
+/* CAN_TRS1 Masks */
+#define TRS0		0x0001	/* Remote Frame Request For Mailbox 0 */
+#define TRS1		0x0002	/* Remote Frame Request For Mailbox 1 */
+#define TRS2		0x0004	/* Remote Frame Request For Mailbox 2 */
+#define TRS3		0x0008	/* Remote Frame Request For Mailbox 3 */
+#define TRS4		0x0010	/* Remote Frame Request For Mailbox 4 */
+#define TRS5		0x0020	/* Remote Frame Request For Mailbox 5 */
+#define TRS6		0x0040	/* Remote Frame Request For Mailbox 6 */
+#define TRS7		0x0080	/* Remote Frame Request For Mailbox 7 */
+#define TRS8		0x0100	/* Remote Frame Request For Mailbox 8 */
+#define TRS9		0x0200	/* Remote Frame Request For Mailbox 9 */
+#define TRS10		0x0400	/* Remote Frame Request For Mailbox 10 */
+#define TRS11		0x0800	/* Remote Frame Request For Mailbox 11 */
+#define TRS12		0x1000	/* Remote Frame Request For Mailbox 12 */
+#define TRS13		0x2000	/* Remote Frame Request For Mailbox 13 */
+#define TRS14		0x4000	/* Remote Frame Request For Mailbox 14 */
+#define TRS15		0x8000	/* Remote Frame Request For Mailbox 15 */
+
+/* CAN_TRS2 Masks */
+#define TRS16		0x0001	/* Remote Frame Request For Mailbox 16 */
+#define TRS17		0x0002	/* Remote Frame Request For Mailbox 17 */
+#define TRS18		0x0004	/* Remote Frame Request For Mailbox 18 */
+#define TRS19		0x0008	/* Remote Frame Request For Mailbox 19 */
+#define TRS20		0x0010	/* Remote Frame Request For Mailbox 20 */
+#define TRS21		0x0020	/* Remote Frame Request For Mailbox 21 */
+#define TRS22		0x0040	/* Remote Frame Request For Mailbox 22 */
+#define TRS23		0x0080	/* Remote Frame Request For Mailbox 23 */
+#define TRS24		0x0100	/* Remote Frame Request For Mailbox 24 */
+#define TRS25		0x0200	/* Remote Frame Request For Mailbox 25 */
+#define TRS26		0x0400	/* Remote Frame Request For Mailbox 26 */
+#define TRS27		0x0800	/* Remote Frame Request For Mailbox 27 */
+#define TRS28		0x1000	/* Remote Frame Request For Mailbox 28 */
+#define TRS29		0x2000	/* Remote Frame Request For Mailbox 29 */
+#define TRS30		0x4000	/* Remote Frame Request For Mailbox 30 */
+#define TRS31		0x8000	/* Remote Frame Request For Mailbox 31 */
+
+/* CAN_AA1 Masks */
+#define AA0			0x0001	/* Aborted Message In Mailbox 0 */
+#define AA1			0x0002	/* Aborted Message In Mailbox 1 */
+#define AA2			0x0004	/* Aborted Message In Mailbox 2 */
+#define AA3			0x0008	/* Aborted Message In Mailbox 3 */
+#define AA4			0x0010	/* Aborted Message In Mailbox 4 */
+#define AA5			0x0020	/* Aborted Message In Mailbox 5 */
+#define AA6			0x0040	/* Aborted Message In Mailbox 6 */
+#define AA7			0x0080	/* Aborted Message In Mailbox 7 */
+#define AA8			0x0100	/* Aborted Message In Mailbox 8 */
+#define AA9			0x0200	/* Aborted Message In Mailbox 9 */
+#define AA10		0x0400	/* Aborted Message In Mailbox 10 */
+#define AA11		0x0800	/* Aborted Message In Mailbox 11 */
+#define AA12		0x1000	/* Aborted Message In Mailbox 12 */
+#define AA13		0x2000	/* Aborted Message In Mailbox 13 */
+#define AA14		0x4000	/* Aborted Message In Mailbox 14 */
+#define AA15		0x8000	/* Aborted Message In Mailbox 15 */
+
+/* CAN_AA2 Masks */
+#define AA16		0x0001	/* Aborted Message In Mailbox 16 */
+#define AA17		0x0002	/* Aborted Message In Mailbox 17 */
+#define AA18		0x0004	/* Aborted Message In Mailbox 18 */
+#define AA19		0x0008	/* Aborted Message In Mailbox 19 */
+#define AA20		0x0010	/* Aborted Message In Mailbox 20 */
+#define AA21		0x0020	/* Aborted Message In Mailbox 21 */
+#define AA22		0x0040	/* Aborted Message In Mailbox 22 */
+#define AA23		0x0080	/* Aborted Message In Mailbox 23 */
+#define AA24		0x0100	/* Aborted Message In Mailbox 24 */
+#define AA25		0x0200	/* Aborted Message In Mailbox 25 */
+#define AA26		0x0400	/* Aborted Message In Mailbox 26 */
+#define AA27		0x0800	/* Aborted Message In Mailbox 27 */
+#define AA28		0x1000	/* Aborted Message In Mailbox 28 */
+#define AA29		0x2000	/* Aborted Message In Mailbox 29 */
+#define AA30		0x4000	/* Aborted Message In Mailbox 30 */
+#define AA31		0x8000	/* Aborted Message In Mailbox 31 */
+
+/* CAN_TA1 Masks */
+#define TA0			0x0001	/* Transmit Successful From Mailbox 0 */
+#define TA1			0x0002	/* Transmit Successful From Mailbox 1 */
+#define TA2			0x0004	/* Transmit Successful From Mailbox 2 */
+#define TA3			0x0008	/* Transmit Successful From Mailbox 3 */
+#define TA4			0x0010	/* Transmit Successful From Mailbox 4 */
+#define TA5			0x0020	/* Transmit Successful From Mailbox 5 */
+#define TA6			0x0040	/* Transmit Successful From Mailbox 6 */
+#define TA7			0x0080	/* Transmit Successful From Mailbox 7 */
+#define TA8			0x0100	/* Transmit Successful From Mailbox 8 */
+#define TA9			0x0200	/* Transmit Successful From Mailbox 9 */
+#define TA10		0x0400	/* Transmit Successful From Mailbox 10 */
+#define TA11		0x0800	/* Transmit Successful From Mailbox 11 */
+#define TA12		0x1000	/* Transmit Successful From Mailbox 12 */
+#define TA13		0x2000	/* Transmit Successful From Mailbox 13 */
+#define TA14		0x4000	/* Transmit Successful From Mailbox 14 */
+#define TA15		0x8000	/* Transmit Successful From Mailbox 15 */
+
+/* CAN_TA2 Masks */
+#define TA16		0x0001	/* Transmit Successful From Mailbox 16 */
+#define TA17		0x0002	/* Transmit Successful From Mailbox 17 */
+#define TA18		0x0004	/* Transmit Successful From Mailbox 18 */
+#define TA19		0x0008	/* Transmit Successful From Mailbox 19 */
+#define TA20		0x0010	/* Transmit Successful From Mailbox 20 */
+#define TA21		0x0020	/* Transmit Successful From Mailbox 21 */
+#define TA22		0x0040	/* Transmit Successful From Mailbox 22 */
+#define TA23		0x0080	/* Transmit Successful From Mailbox 23 */
+#define TA24		0x0100	/* Transmit Successful From Mailbox 24 */
+#define TA25		0x0200	/* Transmit Successful From Mailbox 25 */
+#define TA26		0x0400	/* Transmit Successful From Mailbox 26 */
+#define TA27		0x0800	/* Transmit Successful From Mailbox 27 */
+#define TA28		0x1000	/* Transmit Successful From Mailbox 28 */
+#define TA29		0x2000	/* Transmit Successful From Mailbox 29 */
+#define TA30		0x4000	/* Transmit Successful From Mailbox 30 */
+#define TA31		0x8000	/* Transmit Successful From Mailbox 31 */
+
+/* CAN_MBTD Masks */
+#define TDPTR		0x001F	/* Mailbox To Temporarily Disable */
+#define TDA			0x0040	/* Temporary Disable Acknowledge */
+#define TDR			0x0080	/* Temporary Disable Request */
+
+/* CAN_RFH1 Masks */
+#define RFH0		0x0001	/* Enable Automatic Remote Frame Handling For Mailbox 0 */
+#define RFH1		0x0002	/* Enable Automatic Remote Frame Handling For Mailbox 1 */
+#define RFH2		0x0004	/* Enable Automatic Remote Frame Handling For Mailbox 2 */
+#define RFH3		0x0008	/* Enable Automatic Remote Frame Handling For Mailbox 3 */
+#define RFH4		0x0010	/* Enable Automatic Remote Frame Handling For Mailbox 4 */
+#define RFH5		0x0020	/* Enable Automatic Remote Frame Handling For Mailbox 5 */
+#define RFH6		0x0040	/* Enable Automatic Remote Frame Handling For Mailbox 6 */
+#define RFH7		0x0080	/* Enable Automatic Remote Frame Handling For Mailbox 7 */
+#define RFH8		0x0100	/* Enable Automatic Remote Frame Handling For Mailbox 8 */
+#define RFH9		0x0200	/* Enable Automatic Remote Frame Handling For Mailbox 9 */
+#define RFH10		0x0400	/* Enable Automatic Remote Frame Handling For Mailbox 10 */
+#define RFH11		0x0800	/* Enable Automatic Remote Frame Handling For Mailbox 11 */
+#define RFH12		0x1000	/* Enable Automatic Remote Frame Handling For Mailbox 12 */
+#define RFH13		0x2000	/* Enable Automatic Remote Frame Handling For Mailbox 13 */
+#define RFH14		0x4000	/* Enable Automatic Remote Frame Handling For Mailbox 14 */
+#define RFH15		0x8000	/* Enable Automatic Remote Frame Handling For Mailbox 15 */
+
+/* CAN_RFH2 Masks */
+#define RFH16		0x0001	/* Enable Automatic Remote Frame Handling For Mailbox 16 */
+#define RFH17		0x0002	/* Enable Automatic Remote Frame Handling For Mailbox 17 */
+#define RFH18		0x0004	/* Enable Automatic Remote Frame Handling For Mailbox 18 */
+#define RFH19		0x0008	/* Enable Automatic Remote Frame Handling For Mailbox 19 */
+#define RFH20		0x0010	/* Enable Automatic Remote Frame Handling For Mailbox 20 */
+#define RFH21		0x0020	/* Enable Automatic Remote Frame Handling For Mailbox 21 */
+#define RFH22		0x0040	/* Enable Automatic Remote Frame Handling For Mailbox 22 */
+#define RFH23		0x0080	/* Enable Automatic Remote Frame Handling For Mailbox 23 */
+#define RFH24		0x0100	/* Enable Automatic Remote Frame Handling For Mailbox 24 */
+#define RFH25		0x0200	/* Enable Automatic Remote Frame Handling For Mailbox 25 */
+#define RFH26		0x0400	/* Enable Automatic Remote Frame Handling For Mailbox 26 */
+#define RFH27		0x0800	/* Enable Automatic Remote Frame Handling For Mailbox 27 */
+#define RFH28		0x1000	/* Enable Automatic Remote Frame Handling For Mailbox 28 */
+#define RFH29		0x2000	/* Enable Automatic Remote Frame Handling For Mailbox 29 */
+#define RFH30		0x4000	/* Enable Automatic Remote Frame Handling For Mailbox 30 */
+#define RFH31		0x8000	/* Enable Automatic Remote Frame Handling For Mailbox 31 */
+
+/* CAN_MBTIF1 Masks */
+#define MBTIF0		0x0001	/* TX Interrupt Active In Mailbox 0 */
+#define MBTIF1		0x0002	/* TX Interrupt Active In Mailbox 1 */
+#define MBTIF2		0x0004	/* TX Interrupt Active In Mailbox 2 */
+#define MBTIF3		0x0008	/* TX Interrupt Active In Mailbox 3 */
+#define MBTIF4		0x0010	/* TX Interrupt Active In Mailbox 4 */
+#define MBTIF5		0x0020	/* TX Interrupt Active In Mailbox 5 */
+#define MBTIF6		0x0040	/* TX Interrupt Active In Mailbox 6 */
+#define MBTIF7		0x0080	/* TX Interrupt Active In Mailbox 7 */
+#define MBTIF8		0x0100	/* TX Interrupt Active In Mailbox 8 */
+#define MBTIF9		0x0200	/* TX Interrupt Active In Mailbox 9 */
+#define MBTIF10		0x0400	/* TX Interrupt Active In Mailbox 10 */
+#define MBTIF11		0x0800	/* TX Interrupt Active In Mailbox 11 */
+#define MBTIF12		0x1000	/* TX Interrupt Active In Mailbox 12 */
+#define MBTIF13		0x2000	/* TX Interrupt Active In Mailbox 13 */
+#define MBTIF14		0x4000	/* TX Interrupt Active In Mailbox 14 */
+#define MBTIF15		0x8000	/* TX Interrupt Active In Mailbox 15 */
+
+/* CAN_MBTIF2 Masks */
+#define MBTIF16		0x0001	/* TX Interrupt Active In Mailbox 16 */
+#define MBTIF17		0x0002	/* TX Interrupt Active In Mailbox 17 */
+#define MBTIF18		0x0004	/* TX Interrupt Active In Mailbox 18 */
+#define MBTIF19		0x0008	/* TX Interrupt Active In Mailbox 19 */
+#define MBTIF20		0x0010	/* TX Interrupt Active In Mailbox 20 */
+#define MBTIF21		0x0020	/* TX Interrupt Active In Mailbox 21 */
+#define MBTIF22		0x0040	/* TX Interrupt Active In Mailbox 22 */
+#define MBTIF23		0x0080	/* TX Interrupt Active In Mailbox 23 */
+#define MBTIF24		0x0100	/* TX Interrupt Active In Mailbox 24 */
+#define MBTIF25		0x0200	/* TX Interrupt Active In Mailbox 25 */
+#define MBTIF26		0x0400	/* TX Interrupt Active In Mailbox 26 */
+#define MBTIF27		0x0800	/* TX Interrupt Active In Mailbox 27 */
+#define MBTIF28		0x1000	/* TX Interrupt Active In Mailbox 28 */
+#define MBTIF29		0x2000	/* TX Interrupt Active In Mailbox 29 */
+#define MBTIF30		0x4000	/* TX Interrupt Active In Mailbox 30 */
+#define MBTIF31		0x8000	/* TX Interrupt Active In Mailbox 31 */
+
+/* CAN_MBRIF1 Masks */
+#define MBRIF0		0x0001	/* RX Interrupt Active In Mailbox 0 */
+#define MBRIF1		0x0002	/* RX Interrupt Active In Mailbox 1 */
+#define MBRIF2		0x0004	/* RX Interrupt Active In Mailbox 2 */
+#define MBRIF3		0x0008	/* RX Interrupt Active In Mailbox 3 */
+#define MBRIF4		0x0010	/* RX Interrupt Active In Mailbox 4 */
+#define MBRIF5		0x0020	/* RX Interrupt Active In Mailbox 5 */
+#define MBRIF6		0x0040	/* RX Interrupt Active In Mailbox 6 */
+#define MBRIF7		0x0080	/* RX Interrupt Active In Mailbox 7 */
+#define MBRIF8		0x0100	/* RX Interrupt Active In Mailbox 8 */
+#define MBRIF9		0x0200	/* RX Interrupt Active In Mailbox 9 */
+#define MBRIF10		0x0400	/* RX Interrupt Active In Mailbox 10 */
+#define MBRIF11		0x0800	/* RX Interrupt Active In Mailbox 11 */
+#define MBRIF12		0x1000	/* RX Interrupt Active In Mailbox 12 */
+#define MBRIF13		0x2000	/* RX Interrupt Active In Mailbox 13 */
+#define MBRIF14		0x4000	/* RX Interrupt Active In Mailbox 14 */
+#define MBRIF15		0x8000	/* RX Interrupt Active In Mailbox 15 */
+
+/* CAN_MBRIF2 Masks */
+#define MBRIF16		0x0001	/* RX Interrupt Active In Mailbox 16 */
+#define MBRIF17		0x0002	/* RX Interrupt Active In Mailbox 17 */
+#define MBRIF18		0x0004	/* RX Interrupt Active In Mailbox 18 */
+#define MBRIF19		0x0008	/* RX Interrupt Active In Mailbox 19 */
+#define MBRIF20		0x0010	/* RX Interrupt Active In Mailbox 20 */
+#define MBRIF21		0x0020	/* RX Interrupt Active In Mailbox 21 */
+#define MBRIF22		0x0040	/* RX Interrupt Active In Mailbox 22 */
+#define MBRIF23		0x0080	/* RX Interrupt Active In Mailbox 23 */
+#define MBRIF24		0x0100	/* RX Interrupt Active In Mailbox 24 */
+#define MBRIF25		0x0200	/* RX Interrupt Active In Mailbox 25 */
+#define MBRIF26		0x0400	/* RX Interrupt Active In Mailbox 26 */
+#define MBRIF27		0x0800	/* RX Interrupt Active In Mailbox 27 */
+#define MBRIF28		0x1000	/* RX Interrupt Active In Mailbox 28 */
+#define MBRIF29		0x2000	/* RX Interrupt Active In Mailbox 29 */
+#define MBRIF30		0x4000	/* RX Interrupt Active In Mailbox 30 */
+#define MBRIF31		0x8000	/* RX Interrupt Active In Mailbox 31 */
+
+/* CAN_MBIM1 Masks */
+#define MBIM0		0x0001	/* Enable Interrupt For Mailbox 0 */
+#define MBIM1		0x0002	/* Enable Interrupt For Mailbox 1 */
+#define MBIM2		0x0004	/* Enable Interrupt For Mailbox 2 */
+#define MBIM3		0x0008	/* Enable Interrupt For Mailbox 3 */
+#define MBIM4		0x0010	/* Enable Interrupt For Mailbox 4 */
+#define MBIM5		0x0020	/* Enable Interrupt For Mailbox 5 */
+#define MBIM6		0x0040	/* Enable Interrupt For Mailbox 6 */
+#define MBIM7		0x0080	/* Enable Interrupt For Mailbox 7 */
+#define MBIM8		0x0100	/* Enable Interrupt For Mailbox 8 */
+#define MBIM9		0x0200	/* Enable Interrupt For Mailbox 9 */
+#define MBIM10		0x0400	/* Enable Interrupt For Mailbox 10 */
+#define MBIM11		0x0800	/* Enable Interrupt For Mailbox 11 */
+#define MBIM12		0x1000	/* Enable Interrupt For Mailbox 12 */
+#define MBIM13		0x2000	/* Enable Interrupt For Mailbox 13 */
+#define MBIM14		0x4000	/* Enable Interrupt For Mailbox 14 */
+#define MBIM15		0x8000	/* Enable Interrupt For Mailbox 15 */
+
+/* CAN_MBIM2 Masks */
+#define MBIM16		0x0001	/* Enable Interrupt For Mailbox 16 */
+#define MBIM17		0x0002	/* Enable Interrupt For Mailbox 17 */
+#define MBIM18		0x0004	/* Enable Interrupt For Mailbox 18 */
+#define MBIM19		0x0008	/* Enable Interrupt For Mailbox 19 */
+#define MBIM20		0x0010	/* Enable Interrupt For Mailbox 20 */
+#define MBIM21		0x0020	/* Enable Interrupt For Mailbox 21 */
+#define MBIM22		0x0040	/* Enable Interrupt For Mailbox 22 */
+#define MBIM23		0x0080	/* Enable Interrupt For Mailbox 23 */
+#define MBIM24		0x0100	/* Enable Interrupt For Mailbox 24 */
+#define MBIM25		0x0200	/* Enable Interrupt For Mailbox 25 */
+#define MBIM26		0x0400	/* Enable Interrupt For Mailbox 26 */
+#define MBIM27		0x0800	/* Enable Interrupt For Mailbox 27 */
+#define MBIM28		0x1000	/* Enable Interrupt For Mailbox 28 */
+#define MBIM29		0x2000	/* Enable Interrupt For Mailbox 29 */
+#define MBIM30		0x4000	/* Enable Interrupt For Mailbox 30 */
+#define MBIM31		0x8000	/* Enable Interrupt For Mailbox 31 */
+
+/* CAN_GIM Masks */
+#define EWTIM		0x0001	/* Enable TX Error Count Interrupt */
+#define EWRIM		0x0002	/* Enable RX Error Count Interrupt */
+#define EPIM		0x0004	/* Enable Error-Passive Mode Interrupt */
+#define BOIM		0x0008	/* Enable Bus Off Interrupt */
+#define WUIM		0x0010	/* Enable Wake-Up Interrupt */
+#define UIAIM		0x0020	/* Enable Access To Unimplemented Address Interrupt */
+#define AAIM		0x0040	/* Enable Abort Acknowledge Interrupt */
+#define RMLIM		0x0080	/* Enable RX Message Lost Interrupt */
+#define UCEIM		0x0100	/* Enable Universal Counter Overflow Interrupt */
+#define EXTIM		0x0200	/* Enable External Trigger Output Interrupt */
+#define ADIM		0x0400	/* Enable Access Denied Interrupt */
+
+/* CAN_GIS Masks */
+#define EWTIS		0x0001	/* TX Error Count IRQ Status */
+#define EWRIS		0x0002	/* RX Error Count IRQ Status */
+#define EPIS		0x0004	/* Error-Passive Mode IRQ Status */
+#define BOIS		0x0008	/* Bus Off IRQ Status */
+#define WUIS		0x0010	/* Wake-Up IRQ Status */
+#define UIAIS		0x0020	/* Access To Unimplemented Address IRQ Status */
+#define AAIS		0x0040	/* Abort Acknowledge IRQ Status */
+#define RMLIS		0x0080	/* RX Message Lost IRQ Status */
+#define UCEIS		0x0100	/* Universal Counter Overflow IRQ Status */
+#define EXTIS		0x0200	/* External Trigger Output IRQ Status */
+#define ADIS		0x0400	/* Access Denied IRQ Status */
+
+/* CAN_GIF Masks */
+#define EWTIF		0x0001	/* TX Error Count IRQ Flag */
+#define EWRIF		0x0002	/* RX Error Count IRQ Flag */
+#define EPIF		0x0004	/* Error-Passive Mode IRQ Flag */
+#define BOIF		0x0008	/* Bus Off IRQ Flag */
+#define WUIF		0x0010	/* Wake-Up IRQ Flag */
+#define UIAIF		0x0020	/* Access To Unimplemented Address IRQ Flag */
+#define AAIF		0x0040	/* Abort Acknowledge IRQ Flag */
+#define RMLIF		0x0080	/* RX Message Lost IRQ Flag */
+#define UCEIF		0x0100	/* Universal Counter Overflow IRQ Flag */
+#define EXTIF		0x0200	/* External Trigger Output IRQ Flag */
+#define ADIF		0x0400	/* Access Denied IRQ Flag */
+
+/* CAN_UCCNF Masks */
+#define UCCNF		0x000F	/* Universal Counter Mode */
+#define UC_STAMP	0x0001	/*  Timestamp Mode */
+#define UC_WDOG		0x0002	/*  Watchdog Mode */
+#define UC_AUTOTX	0x0003	/*  Auto-Transmit Mode */
+#define UC_ERROR	0x0006	/*  CAN Error Frame Count */
+#define UC_OVER		0x0007	/*  CAN Overload Frame Count */
+#define UC_LOST		0x0008	/*  Arbitration Lost During TX Count */
+#define UC_AA		0x0009	/*  TX Abort Count */
+#define UC_TA		0x000A	/*  TX Successful Count */
+#define UC_REJECT	0x000B	/*  RX Message Rejected Count */
+#define UC_RML		0x000C	/*  RX Message Lost Count */
+#define UC_RX		0x000D	/*  Total Successful RX Messages Count */
+#define UC_RMP		0x000E	/*  Successful RX W/Matching ID Count */
+#define UC_ALL		0x000F	/*  Correct Message On CAN Bus Line Count */
+#define UCRC		0x0020	/* Universal Counter Reload/Clear */
+#define UCCT		0x0040	/* Universal Counter CAN Trigger */
+#define UCE			0x0080	/* Universal Counter Enable */
+
+/* CAN_ESR Masks */
+#define ACKE		0x0004	/* Acknowledge Error */
+#define SER			0x0008	/* Stuff Error */
+#define CRCE		0x0010	/* CRC Error */
+#define SA0			0x0020	/* Stuck At Dominant Error */
+#define BEF			0x0040	/* Bit Error Flag */
+#define FER			0x0080	/* Form Error Flag */
+
+/* CAN_EWR Masks */
+#define EWLREC		0x00FF	/* RX Error Count Limit (For EWRIS) */
+#define EWLTEC		0xFF00	/* TX Error Count Limit (For EWTIS) */
+
+#endif
diff --git a/arch/blackfin/include/asm/bfin_sport.h b/arch/blackfin/include/asm/bfin_sport.h
index b558908e1c79..9626cf7e4251 100644
--- a/arch/blackfin/include/asm/bfin_sport.h
+++ b/arch/blackfin/include/asm/bfin_sport.h
@@ -1,7 +1,7 @@
 /*
- * bfin_sport.h - userspace header for bfin sport driver
+ * bfin_sport.h - interface to Blackfin SPORTs
  *
- * Copyright 2004-2008 Analog Devices Inc.
+ * Copyright 2004-2009 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
@@ -9,16 +9,6 @@
 #ifndef __BFIN_SPORT_H__
 #define __BFIN_SPORT_H__
 
-#ifdef __KERNEL__
-#include <linux/cdev.h>
-#include <linux/mutex.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
-#endif
-
-#define SPORT_MAJOR	237
-#define SPORT_NR_DEVS	2
-
 /* Sport mode: it can be set to TDM, i2s or others */
 #define NORM_MODE	0x0
 #define TDM_MODE	0x1
@@ -35,7 +25,7 @@ struct sport_config {
 	unsigned int mode:3;
 
 	/* if TDM mode is selected, channels must be set */
-	int channels;		/* Must be in 8 units */
+	int channels;	/* Must be in 8 units */
 	unsigned int frame_delay:4;	/* Delay between frame sync pulse and first bit */
 
 	/* I2S mode */
@@ -69,94 +59,137 @@ struct sport_config {
 
 #ifdef __KERNEL__
 
-struct sport_register {
-	unsigned short tcr1;
-	unsigned short reserved0;
-	unsigned short tcr2;
-	unsigned short reserved1;
-	unsigned short tclkdiv;
-	unsigned short reserved2;
-	unsigned short tfsdiv;
-	unsigned short reserved3;
-	unsigned long tx;
-	unsigned long reserved_l0;
-	unsigned long rx;
-	unsigned long reserved_l1;
-	unsigned short rcr1;
-	unsigned short reserved4;
-	unsigned short rcr2;
-	unsigned short reserved5;
-	unsigned short rclkdiv;
-	unsigned short reserved6;
-	unsigned short rfsdiv;
-	unsigned short reserved7;
-	unsigned short stat;
-	unsigned short reserved8;
-	unsigned short chnl;
-	unsigned short reserved9;
-	unsigned short mcmc1;
-	unsigned short reserved10;
-	unsigned short mcmc2;
-	unsigned short reserved11;
-	unsigned long mtcs0;
-	unsigned long mtcs1;
-	unsigned long mtcs2;
-	unsigned long mtcs3;
-	unsigned long mrcs0;
-	unsigned long mrcs1;
-	unsigned long mrcs2;
-	unsigned long mrcs3;
-};
-
-struct sport_dev {
-	struct cdev cdev;	/* Char device structure */
-
-	int sport_num;
+#include <linux/types.h>
 
-	int dma_rx_chan;
-	int dma_tx_chan;
-
-	int rx_irq;
-	unsigned char *rx_buf;	/* Buffer store the received data */
-	int rx_len;		/* How many bytes will be received */
-	int rx_received;	/* How many bytes has been received */
-
-	int tx_irq;
-	const unsigned char *tx_buf;
-	int tx_len;
-	int tx_sent;
-
-	int err_irq;
-
-	struct mutex mutex;	/* mutual exclusion semaphore */
-	struct task_struct *task;
-
-	wait_queue_head_t waitq;
-	int	wait_con;
-	struct sport_register *regs;
-	struct sport_config config;
+/*
+ * All Blackfin system MMRs are padded to 32bits even if the register
+ * itself is only 16bits.  So use a helper macro to streamline this.
+ */
+#define __BFP(m) u16 m; u16 __pad_##m
+struct sport_register {
+	__BFP(tcr1);
+	__BFP(tcr2);
+	__BFP(tclkdiv);
+	__BFP(tfsdiv);
+	union {
+		u32 tx32;
+		u16 tx16;
+	};
+	u32 __pad_tx;
+	union {
+		u32 rx32;	/* use the anomaly wrapper below */
+		u16 rx16;
+	};
+	u32 __pad_rx;
+	__BFP(rcr1);
+	__BFP(rcr2);
+	__BFP(rclkdiv);
+	__BFP(rfsdiv);
+	__BFP(stat);
+	__BFP(chnl);
+	__BFP(mcmc1);
+	__BFP(mcmc2);
+	u32 mtcs0;
+	u32 mtcs1;
+	u32 mtcs2;
+	u32 mtcs3;
+	u32 mrcs0;
+	u32 mrcs1;
+	u32 mrcs2;
+	u32 mrcs3;
 };
+#undef __BFP
+
+#define bfin_read_sport_rx32(base) \
+({ \
+	struct sport_register *__mmrs = (void *)base; \
+	u32 __ret; \
+	unsigned long flags; \
+	if (ANOMALY_05000473) \
+		local_irq_save(flags); \
+	__ret = __mmrs->rx32; \
+	if (ANOMALY_05000473) \
+		local_irq_restore(flags); \
+	__ret; \
+})
 
 #endif
 
-#define SPORT_TCR1	0
-#define	SPORT_TCR2	1
-#define	SPORT_TCLKDIV	2
-#define	SPORT_TFSDIV	3
-#define	SPORT_RCR1	8
-#define	SPORT_RCR2	9
-#define SPORT_RCLKDIV	10
-#define	SPORT_RFSDIV	11
-#define SPORT_CHANNEL	13
-#define SPORT_MCMC1	14
-#define SPORT_MCMC2	15
-#define SPORT_MTCS0	16
-#define SPORT_MTCS1	17
-#define SPORT_MTCS2	18
-#define SPORT_MTCS3	19
-#define SPORT_MRCS0	20
-#define SPORT_MRCS1	21
-#define SPORT_MRCS2	22
-#define SPORT_MRCS3	23
+/* Workaround defBF*.h SPORT MMRs till they get cleansed */
+#undef DTYPE_NORM
+#undef SLEN
+#undef SP_WOFF
+#undef SP_WSIZE
+
+/* SPORT_TCR1 Masks */
+#define TSPEN		0x0001	/* TX enable */
+#define ITCLK		0x0002	/* Internal TX Clock Select */
+#define TDTYPE		0x000C	/* TX Data Formatting Select */
+#define DTYPE_NORM	0x0000	/* Data Format Normal */
+#define DTYPE_ULAW	0x0008	/* Compand Using u-Law */
+#define DTYPE_ALAW	0x000C	/* Compand Using A-Law */
+#define TLSBIT		0x0010	/* TX Bit Order */
+#define ITFS		0x0200	/* Internal TX Frame Sync Select */
+#define TFSR		0x0400	/* TX Frame Sync Required Select */
+#define DITFS		0x0800	/* Data Independent TX Frame Sync Select */
+#define LTFS		0x1000	/* Low TX Frame Sync Select */
+#define LATFS		0x2000	/* Late TX Frame Sync Select */
+#define TCKFE		0x4000	/* TX Clock Falling Edge Select */
+
+/* SPORT_TCR2 Masks */
+#define SLEN		0x001F	/* SPORT TX Word Length (2 - 31) */
+#define DP_SLEN(x)	BFIN_DEPOSIT(SLEN, x)
+#define EX_SLEN(x)	BFIN_EXTRACT(SLEN, x)
+#define TXSE		0x0100	/* TX Secondary Enable */
+#define TSFSE		0x0200	/* TX Stereo Frame Sync Enable */
+#define TRFST		0x0400	/* TX Right-First Data Order */
+
+/* SPORT_RCR1 Masks */
+#define RSPEN		0x0001	/* RX enable */
+#define IRCLK		0x0002	/* Internal RX Clock Select */
+#define RDTYPE		0x000C	/* RX Data Formatting Select */
+/* DTYPE_* defined above */
+#define RLSBIT		0x0010	/* RX Bit Order */
+#define IRFS		0x0200	/* Internal RX Frame Sync Select */
+#define RFSR		0x0400	/* RX Frame Sync Required Select */
+#define LRFS		0x1000	/* Low RX Frame Sync Select */
+#define LARFS		0x2000	/* Late RX Frame Sync Select */
+#define RCKFE		0x4000	/* RX Clock Falling Edge Select */
+
+/* SPORT_RCR2 Masks */
+/* SLEN defined above */
+#define RXSE		0x0100	/* RX Secondary Enable */
+#define RSFSE		0x0200	/* RX Stereo Frame Sync Enable */
+#define RRFST		0x0400	/* Right-First Data Order */
+
+/* SPORT_STAT Masks */
+#define RXNE		0x0001	/* RX FIFO Not Empty Status */
+#define RUVF		0x0002	/* RX Underflow Status */
+#define ROVF		0x0004	/* RX Overflow Status */
+#define TXF		0x0008	/* TX FIFO Full Status */
+#define TUVF		0x0010	/* TX Underflow Status */
+#define TOVF		0x0020	/* TX Overflow Status */
+#define TXHRE		0x0040	/* TX Hold Register Empty */
+
+/* SPORT_MCMC1 Masks */
+#define SP_WOFF		0x03FF	/* Multichannel Window Offset Field */
+#define DP_SP_WOFF(x)	BFIN_DEPOSIT(SP_WOFF, x)
+#define EX_SP_WOFF(x)	BFIN_EXTRACT(SP_WOFF, x)
+#define SP_WSIZE	0xF000	/* Multichannel Window Size Field */
+#define DP_SP_WSIZE(x)	BFIN_DEPOSIT(SP_WSIZE, x)
+#define EX_SP_WSIZE(x)	BFIN_EXTRACT(SP_WSIZE, x)
+
+/* SPORT_MCMC2 Masks */
+#define MCCRM		0x0003	/* Multichannel Clock Recovery Mode */
+#define REC_BYPASS	0x0000	/* Bypass Mode (No Clock Recovery) */
+#define REC_2FROM4	0x0002	/* Recover 2 MHz Clock from 4 MHz Clock */
+#define REC_8FROM16	0x0003	/* Recover 8 MHz Clock from 16 MHz Clock */
+#define MCDTXPE		0x0004	/* Multichannel DMA Transmit Packing */
+#define MCDRXPE		0x0008	/* Multichannel DMA Receive Packing */
+#define MCMEN		0x0010	/* Multichannel Frame Mode Enable */
+#define FSDR		0x0080	/* Multichannel Frame Sync to Data Relationship */
+#define MFD		0xF000	/* Multichannel Frame Delay */
+#define DP_MFD(x)	BFIN_DEPOSIT(MFD, x)
+#define EX_MFD(x)	BFIN_EXTRACT(MFD, x)
 
 #endif
diff --git a/arch/blackfin/include/asm/bfin_watchdog.h b/arch/blackfin/include/asm/bfin_watchdog.h
new file mode 100644
index 000000000000..dce09829a095
--- /dev/null
+++ b/arch/blackfin/include/asm/bfin_watchdog.h
@@ -0,0 +1,30 @@
+/*
+ * bfin_watchdog.h - Blackfin watchdog definitions
+ *
+ * Copyright 2006-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _BFIN_WATCHDOG_H
+#define _BFIN_WATCHDOG_H
+
+/* Bit in SWRST that indicates boot caused by watchdog */
+#define SWRST_RESET_WDOG 0x4000
+
+/* Bit in WDOG_CTL that indicates watchdog has expired (WDR0) */
+#define WDOG_EXPIRED 0x8000
+
+/* Masks for WDEV field in WDOG_CTL register */
+#define ICTL_RESET   0x0
+#define ICTL_NMI     0x2
+#define ICTL_GPI     0x4
+#define ICTL_NONE    0x6
+#define ICTL_MASK    0x6
+
+/* Masks for WDEN field in WDOG_CTL register */
+#define WDEN_MASK    0x0FF0
+#define WDEN_ENABLE  0x0000
+#define WDEN_DISABLE 0x0AD0
+
+#endif
diff --git a/arch/blackfin/include/asm/bitops.h b/arch/blackfin/include/asm/bitops.h
index a2ff3fb3568d..605ba8e9b2e4 100644
--- a/arch/blackfin/include/asm/bitops.h
+++ b/arch/blackfin/include/asm/bitops.h
@@ -7,22 +7,41 @@
 #ifndef _BLACKFIN_BITOPS_H
 #define _BLACKFIN_BITOPS_H
 
-#ifndef CONFIG_SMP
-# include <asm-generic/bitops.h>
-#else
+#include <linux/compiler.h>
+
+#include <asm-generic/bitops/__ffs.h>
+#include <asm-generic/bitops/ffz.h>
+#include <asm-generic/bitops/fls.h>
+#include <asm-generic/bitops/__fls.h>
+#include <asm-generic/bitops/fls64.h>
+#include <asm-generic/bitops/find.h>
 
 #ifndef _LINUX_BITOPS_H
 #error only <linux/bitops.h> can be included directly
 #endif
 
-#include <linux/compiler.h>
-#include <asm/byteorder.h>	/* swab32 */
-
-#include <asm-generic/bitops/ffs.h>
-#include <asm-generic/bitops/__ffs.h>
 #include <asm-generic/bitops/sched.h>
-#include <asm-generic/bitops/ffz.h>
+#include <asm-generic/bitops/ffs.h>
+#include <asm-generic/bitops/lock.h>
+#include <asm-generic/bitops/ext2-non-atomic.h>
+#include <asm-generic/bitops/ext2-atomic.h>
+#include <asm-generic/bitops/minix.h>
+
+#ifndef CONFIG_SMP
+#include <linux/irqflags.h>
+
+/*
+ * clear_bit may not imply a memory barrier
+ */
+#ifndef smp_mb__before_clear_bit
+#define smp_mb__before_clear_bit()	smp_mb()
+#define smp_mb__after_clear_bit()	smp_mb()
+#endif
+#include <asm-generic/bitops/atomic.h>
+#include <asm-generic/bitops/non-atomic.h>
+#else
 
+#include <asm/byteorder.h>	/* swab32 */
 #include <linux/linkage.h>
 
 asmlinkage int __raw_bit_set_asm(volatile unsigned long *addr, int nr);
@@ -89,19 +108,36 @@ static inline int test_and_change_bit(int nr, volatile unsigned long *addr)
 
 #include <asm-generic/bitops/non-atomic.h>
 
-#include <asm-generic/bitops/find.h>
-#include <asm-generic/bitops/hweight.h>
-#include <asm-generic/bitops/lock.h>
+#endif /* CONFIG_SMP */
 
-#include <asm-generic/bitops/ext2-atomic.h>
-#include <asm-generic/bitops/ext2-non-atomic.h>
+/*
+ * hweightN: returns the hamming weight (i.e. the number
+ * of bits set) of a N-bit word
+ */
 
-#include <asm-generic/bitops/minix.h>
+static inline unsigned int hweight32(unsigned int w)
+{
+	unsigned int res;
 
-#include <asm-generic/bitops/fls.h>
-#include <asm-generic/bitops/__fls.h>
-#include <asm-generic/bitops/fls64.h>
+	__asm__ ("%0.l = ONES %0;"
+		"%0 = %0.l (Z);"
+		: "=d" (res) : "d" (w));
+	return res;
+}
 
-#endif /* CONFIG_SMP */
+static inline unsigned int hweight64(__u64 w)
+{
+	return hweight32((unsigned int)(w >> 32)) + hweight32((unsigned int)w);
+}
+
+static inline unsigned int hweight16(unsigned int w)
+{
+	return hweight32(w & 0xffff);
+}
+
+static inline unsigned int hweight8(unsigned int w)
+{
+	return hweight32(w & 0xff);
+}
 
 #endif				/* _BLACKFIN_BITOPS_H */
diff --git a/arch/blackfin/include/asm/context.S b/arch/blackfin/include/asm/context.S
index 5dffaf582a22..1f9060395a0a 100644
--- a/arch/blackfin/include/asm/context.S
+++ b/arch/blackfin/include/asm/context.S
@@ -73,6 +73,11 @@
 #else
 	cli r0;
 #endif
+#ifdef CONFIG_TRACE_IRQFLAGS
+	sp += -12;
+	call _trace_hardirqs_off;
+	sp += 12;
+#endif
 	[--sp] = RETI;  /*orig_pc*/
 	/* Clear all L registers.  */
 	r0 = 0 (x);
@@ -279,6 +284,13 @@
 	RETN = [sp++];
 	RETX = [sp++];
 	RETI = [sp++];
+
+#ifdef CONFIG_TRACE_IRQFLAGS
+	sp += -12;
+	call _trace_hardirqs_on;
+	sp += 12;
+#endif
+
 	RETS = [sp++];
 
 #ifdef CONFIG_SMP
@@ -374,3 +386,13 @@
 
 	(R7:0, P5:0) = [SP++];
 .endm
+
+.macro pseudo_long_call func:req, scratch:req
+#ifdef CONFIG_ROMKERNEL
+	\scratch\().l = \func;
+	\scratch\().h = \func;
+	call (\scratch);
+#else
+	call \func;
+#endif
+.endm
diff --git a/arch/blackfin/include/asm/cpu.h b/arch/blackfin/include/asm/cpu.h
index b191dc662bd8..16883e582e3c 100644
--- a/arch/blackfin/include/asm/cpu.h
+++ b/arch/blackfin/include/asm/cpu.h
@@ -17,8 +17,6 @@ struct blackfin_cpudata {
 	struct task_struct *idle;
 	unsigned int imemctl;
 	unsigned int dmemctl;
-	unsigned long dcache_invld_count;
-	unsigned long icache_invld_count;
 };
 
 DECLARE_PER_CPU(struct blackfin_cpudata, cpu_data);
diff --git a/arch/blackfin/include/asm/def_LPBlackfin.h b/arch/blackfin/include/asm/def_LPBlackfin.h
index 25906468622f..f342ff0319df 100644
--- a/arch/blackfin/include/asm/def_LPBlackfin.h
+++ b/arch/blackfin/include/asm/def_LPBlackfin.h
@@ -12,6 +12,8 @@
 #include <mach/anomaly.h>
 
 #define MK_BMSK_(x) (1<<x)
+#define BFIN_DEPOSIT(mask, x)	(((x) << __ffs(mask)) & (mask))
+#define BFIN_EXTRACT(mask, x)	(((x) & (mask)) >> __ffs(mask))
 
 #ifndef __ASSEMBLY__
 
@@ -23,62 +25,30 @@
 # define NOP_PAD_ANOMALY_05000198
 #endif
 
-#define bfin_read8(addr) ({ \
-	uint32_t __v; \
+#define _bfin_readX(addr, size, asm_size, asm_ext) ({ \
+	u32 __v; \
 	__asm__ __volatile__( \
 		NOP_PAD_ANOMALY_05000198 \
-		"%0 = b[%1] (z);" \
+		"%0 = " #asm_size "[%1]" #asm_ext ";" \
 		: "=d" (__v) \
 		: "a" (addr) \
 	); \
 	__v; })
-
-#define bfin_read16(addr) ({ \
-	uint32_t __v; \
-	__asm__ __volatile__( \
-		NOP_PAD_ANOMALY_05000198 \
-		"%0 = w[%1] (z);" \
-		: "=d" (__v) \
-		: "a" (addr) \
-	); \
-	__v; })
-
-#define bfin_read32(addr) ({ \
-	uint32_t __v; \
-	__asm__ __volatile__( \
-		NOP_PAD_ANOMALY_05000198 \
-		"%0 = [%1];" \
-		: "=d" (__v) \
-		: "a" (addr) \
-	); \
-	__v; })
-
-#define bfin_write8(addr, val) \
+#define _bfin_writeX(addr, val, size, asm_size) \
 	__asm__ __volatile__( \
 		NOP_PAD_ANOMALY_05000198 \
-		"b[%0] = %1;" \
+		#asm_size "[%0] = %1;" \
 		: \
-		: "a" (addr), "d" ((uint8_t)(val)) \
+		: "a" (addr), "d" ((u##size)(val)) \
 		: "memory" \
 	)
 
-#define bfin_write16(addr, val) \
-	__asm__ __volatile__( \
-		NOP_PAD_ANOMALY_05000198 \
-		"w[%0] = %1;" \
-		: \
-		: "a" (addr), "d" ((uint16_t)(val)) \
-		: "memory" \
-	)
-
-#define bfin_write32(addr, val) \
-	__asm__ __volatile__( \
-		NOP_PAD_ANOMALY_05000198 \
-		"[%0] = %1;" \
-		: \
-		: "a" (addr), "d" (val) \
-		: "memory" \
-	)
+#define bfin_read8(addr)  _bfin_readX(addr,  8, b, (z))
+#define bfin_read16(addr) _bfin_readX(addr, 16, w, (z))
+#define bfin_read32(addr) _bfin_readX(addr, 32,  ,    )
+#define bfin_write8(addr, val)  _bfin_writeX(addr, val,  8, b)
+#define bfin_write16(addr, val) _bfin_writeX(addr, val, 16, w)
+#define bfin_write32(addr, val) _bfin_writeX(addr, val, 32,  )
 
 #endif /* __ASSEMBLY__ */
 
diff --git a/arch/blackfin/include/asm/delay.h b/arch/blackfin/include/asm/delay.h
index c31f91cc1d5d..171d8deb04a5 100644
--- a/arch/blackfin/include/asm/delay.h
+++ b/arch/blackfin/include/asm/delay.h
@@ -30,10 +30,22 @@ __asm__ __volatile__ (
 
 #define	HZSCALE		(268435456 / (1000000/HZ))
 
-static inline void udelay(unsigned long usecs)
+static inline unsigned long __to_delay(unsigned long scale)
 {
 	extern unsigned long loops_per_jiffy;
-	__delay((((usecs * HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6);
+	return (((scale * HZSCALE) >> 11) * (loops_per_jiffy >> 11)) >> 6;
+}
+
+static inline void udelay(unsigned long usecs)
+{
+	__delay(__to_delay(usecs));
 }
 
+static inline void ndelay(unsigned long nsecs)
+{
+	__delay(__to_delay(1) * nsecs / 1000);
+}
+
+#define ndelay ndelay
+
 #endif
diff --git a/arch/blackfin/include/asm/dma-mapping.h b/arch/blackfin/include/asm/dma-mapping.h
index f9172ff30e5c..212cb80fd74b 100644
--- a/arch/blackfin/include/asm/dma-mapping.h
+++ b/arch/blackfin/include/asm/dma-mapping.h
@@ -44,13 +44,8 @@ dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 extern void
 __dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir);
 static inline void
-_dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir)
+__dma_sync_inline(dma_addr_t addr, size_t size, enum dma_data_direction dir)
 {
-	if (!__builtin_constant_p(dir)) {
-		__dma_sync(addr, size, dir);
-		return;
-	}
-
 	switch (dir) {
 	case DMA_NONE:
 		BUG();
@@ -64,14 +59,15 @@ _dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir)
 		break;
 	}
 }
+static inline void
+_dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir)
+{
+	if (__builtin_constant_p(dir))
+		__dma_sync_inline(addr, size, dir);
+	else
+		__dma_sync(addr, size, dir);
+}
 
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory
- * until either pci_unmap_single or pci_dma_sync_single is performed.
- */
 static inline dma_addr_t
 dma_map_single(struct device *dev, void *ptr, size_t size,
 	       enum dma_data_direction dir)
@@ -88,14 +84,6 @@ dma_map_page(struct device *dev, struct page *page,
 	return dma_map_single(dev, page_address(page) + offset, size, dir);
 }
 
-/*
- * Unmap a single streaming mode DMA translation.  The dma_addr and size
- * must match what was provided for in a previous pci_map_single call.  All
- * other usages are undefined.
- *
- * After this call, reads by the cpu to the buffer are guarenteed to see
- * whatever the device wrote there.
- */
 static inline void
 dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
 		 enum dma_data_direction dir)
@@ -110,30 +98,9 @@ dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size,
 	dma_unmap_single(dev, dma_addr, size, dir);
 }
 
-/*
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA.  This is the scather-gather version of the
- * above pci_map_single interface.  Here the scatter gather list
- * elements are each tagged with the appropriate dma address
- * and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of
- *       DMA address/length pairs than there are SG table elements.
- *       (for example via virtual mapping capabilities)
- *       The routine returns the number of addr/length pairs actually
- *       used, at most nents.
- *
- * Device ownership issues as mentioned above for pci_map_single are
- * the same here.
- */
 extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 		      enum dma_data_direction dir);
 
-/*
- * Unmap a set of streaming mode DMA translations.
- * Again, cpu read rules concerning calls here are the same as for
- * pci_unmap_single() above.
- */
 static inline void
 dma_unmap_sg(struct device *dev, struct scatterlist *sg,
 	     int nhwentries, enum dma_data_direction dir)
diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h
index bd2e62243abe..2c09b1d50ec9 100644
--- a/arch/blackfin/include/asm/dma.h
+++ b/arch/blackfin/include/asm/dma.h
@@ -262,6 +262,10 @@ static inline void dma_disable_irq(unsigned int channel)
 {
 	disable_irq(dma_ch[channel].irq);
 }
+static inline void dma_disable_irq_nosync(unsigned int channel)
+{
+	disable_irq_nosync(dma_ch[channel].irq);
+}
 static inline void dma_enable_irq(unsigned int channel)
 {
 	enable_irq(dma_ch[channel].irq);
diff --git a/arch/blackfin/include/asm/dpmc.h b/arch/blackfin/include/asm/dpmc.h
index 1597ae5041ee..efcc3aebeae4 100644
--- a/arch/blackfin/include/asm/dpmc.h
+++ b/arch/blackfin/include/asm/dpmc.h
@@ -75,7 +75,7 @@
 
 #define VLEV			0x00F0	/* Internal Voltage Level */
 #ifdef __ADSPBF52x__
-#define VLEV_085 		0x0040	/* VLEV = 0.85 V (-5% - +10% Accuracy) */
+#define VLEV_085		0x0040	/* VLEV = 0.85 V (-5% - +10% Accuracy) */
 #define VLEV_090		0x0050	/* VLEV = 0.90 V (-5% - +10% Accuracy) */
 #define VLEV_095		0x0060	/* VLEV = 0.95 V (-5% - +10% Accuracy) */
 #define VLEV_100		0x0070	/* VLEV = 1.00 V (-5% - +10% Accuracy) */
@@ -84,7 +84,7 @@
 #define VLEV_115		0x00A0	/* VLEV = 1.15 V (-5% - +10% Accuracy) */
 #define VLEV_120		0x00B0	/* VLEV = 1.20 V (-5% - +10% Accuracy) */
 #else
-#define VLEV_085 		0x0060	/* VLEV = 0.85 V (-5% - +10% Accuracy) */
+#define VLEV_085		0x0060	/* VLEV = 0.85 V (-5% - +10% Accuracy) */
 #define VLEV_090		0x0070	/* VLEV = 0.90 V (-5% - +10% Accuracy) */
 #define VLEV_095		0x0080	/* VLEV = 0.95 V (-5% - +10% Accuracy) */
 #define VLEV_100		0x0090	/* VLEV = 1.00 V (-5% - +10% Accuracy) */
diff --git a/arch/blackfin/include/asm/elf.h b/arch/blackfin/include/asm/elf.h
index 5b50f0ecacf8..117713adea7f 100644
--- a/arch/blackfin/include/asm/elf.h
+++ b/arch/blackfin/include/asm/elf.h
@@ -22,12 +22,15 @@
 #define EF_BFIN_CODE_IN_L2	0x00000040	/* --code-in-l2 */
 #define EF_BFIN_DATA_IN_L2	0x00000080	/* --data-in-l2 */
 
+#if 1	/* core dumps not supported, but linux/elfcore.h needs these */
 typedef unsigned long elf_greg_t;
 
-#define ELF_NGREG 40 /* (sizeof(struct user_regs_struct) / sizeof(elf_greg_t)) */
+#define ELF_NGREG (sizeof(struct pt_regs) / sizeof(elf_greg_t))
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 
 typedef struct { } elf_fpregset_t;
+#endif
+
 /*
  * This is used to ensure we don't load something for the wrong architecture.
  */
@@ -55,6 +58,9 @@ do {											\
 	_regs->p2	= _dynamic_addr;				\
 } while(0)
 
+#if 0
+#define CORE_DUMP_USE_REGSET
+#endif
 #define ELF_FDPIC_CORE_EFLAGS	EF_BFIN_FDPIC
 #define ELF_EXEC_PAGESIZE	4096
 
diff --git a/arch/blackfin/include/asm/ftrace.h b/arch/blackfin/include/asm/ftrace.h
index 90c9b400ba6d..4cfe2d9ba7e8 100644
--- a/arch/blackfin/include/asm/ftrace.h
+++ b/arch/blackfin/include/asm/ftrace.h
@@ -10,4 +10,57 @@
 
 #define MCOUNT_INSN_SIZE	6 /* sizeof "[++sp] = rets; call __mcount;" */
 
+#ifndef __ASSEMBLY__
+
+#ifdef CONFIG_FRAME_POINTER
+#include <linux/mm.h>
+
+extern inline void *return_address(unsigned int level)
+{
+	unsigned long *endstack, *fp, *ret_addr;
+	unsigned int current_level = 0;
+
+	if (level == 0)
+		return __builtin_return_address(0);
+
+	fp = (unsigned long *)__builtin_frame_address(0);
+	endstack = (unsigned long *)PAGE_ALIGN((unsigned long)&level);
+
+	while (((unsigned long)fp & 0x3) == 0 && fp &&
+	       (fp + 1) < endstack && current_level < level) {
+		fp = (unsigned long *)*fp;
+		current_level++;
+	}
+
+	if (((unsigned long)fp & 0x3) == 0 && fp &&
+	    (fp + 1) < endstack)
+		ret_addr = (unsigned long *)*(fp + 1);
+	else
+		ret_addr = NULL;
+
+	return ret_addr;
+}
+
+#else
+
+extern inline void *return_address(unsigned int level)
+{
+	return NULL;
+}
+
+#endif /* CONFIG_FRAME_POINTER */
+
+#define HAVE_ARCH_CALLER_ADDR
+
+/* inline function or macro may lead to unexpected result */
+#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
+#define CALLER_ADDR1 ((unsigned long)return_address(1))
+#define CALLER_ADDR2 ((unsigned long)return_address(2))
+#define CALLER_ADDR3 ((unsigned long)return_address(3))
+#define CALLER_ADDR4 ((unsigned long)return_address(4))
+#define CALLER_ADDR5 ((unsigned long)return_address(5))
+#define CALLER_ADDR6 ((unsigned long)return_address(6))
+
+#endif /* __ASSEMBLY__ */
+
 #endif
diff --git a/arch/blackfin/include/asm/gpio.h b/arch/blackfin/include/asm/gpio.h
index 539468a05057..91bd2d7b9d55 100644
--- a/arch/blackfin/include/asm/gpio.h
+++ b/arch/blackfin/include/asm/gpio.h
@@ -70,6 +70,8 @@
 
 #ifndef __ASSEMBLY__
 
+#include <linux/compiler.h>
+
 /***********************************************************
 *
 * FUNCTIONS: Blackfin General Purpose Ports Access Functions
@@ -223,6 +225,9 @@ int bfin_gpio_direction_output(unsigned gpio, int value);
 int bfin_gpio_get_value(unsigned gpio);
 void bfin_gpio_set_value(unsigned gpio, int value);
 
+#include <asm/irq.h>
+#include <asm/errno.h>
+
 #ifdef CONFIG_GPIOLIB
 #include <asm-generic/gpio.h>		/* cansleep wrappers */
 
@@ -247,6 +252,11 @@ static inline int gpio_cansleep(unsigned int gpio)
 	return __gpio_cansleep(gpio);
 }
 
+static inline int gpio_to_irq(unsigned gpio)
+{
+	return __gpio_to_irq(gpio);
+}
+
 #else /* !CONFIG_GPIOLIB */
 
 static inline int gpio_request(unsigned gpio, const char *label)
@@ -279,10 +289,6 @@ static inline void gpio_set_value(unsigned gpio, int value)
 	return bfin_gpio_set_value(gpio, value);
 }
 
-#include <asm-generic/gpio.h>		/* cansleep wrappers */
-#endif	/* !CONFIG_GPIOLIB */
-#include <asm/irq.h>
-
 static inline int gpio_to_irq(unsigned gpio)
 {
 	if (likely(gpio < MAX_BLACKFIN_GPIOS))
@@ -291,6 +297,9 @@ static inline int gpio_to_irq(unsigned gpio)
 	return -EINVAL;
 }
 
+#include <asm-generic/gpio.h>		/* cansleep wrappers */
+#endif	/* !CONFIG_GPIOLIB */
+
 static inline int irq_to_gpio(unsigned irq)
 {
 	return (irq - GPIO_IRQ_BASE);
diff --git a/arch/blackfin/include/asm/irq.h b/arch/blackfin/include/asm/irq.h
index e7c0623f9091..12f4060a31b0 100644
--- a/arch/blackfin/include/asm/irq.h
+++ b/arch/blackfin/include/asm/irq.h
@@ -12,6 +12,9 @@
 
 #include <linux/irqflags.h>
 
+/* IRQs that may be used by external irq_chip controllers */
+#define NR_SPARE_IRQS	32
+
 #include <mach/anomaly.h>
 
 /* SYS_IRQS and NR_IRQS are defined in <mach-bf5xx/irq.h> */
@@ -35,4 +38,8 @@
 
 #include <asm-generic/irq.h>
 
+#ifdef CONFIG_NMI_WATCHDOG
+# define ARCH_HAS_NMI_WATCHDOG
+#endif
+
 #endif				/* _BFIN_IRQ_H_ */
diff --git a/arch/blackfin/include/asm/mmu_context.h b/arch/blackfin/include/asm/mmu_context.h
index ae8ef4ffd806..7f363d7e43a5 100644
--- a/arch/blackfin/include/asm/mmu_context.h
+++ b/arch/blackfin/include/asm/mmu_context.h
@@ -13,6 +13,7 @@
 #include <asm/page.h>
 #include <asm/pgalloc.h>
 #include <asm/cplbinit.h>
+#include <asm/sections.h>
 
 /* Note: L1 stacks are CPU-private things, so we bluntly disable this
    feature in SMP mode, and use the per-CPU scratch SRAM bank only to
@@ -117,9 +118,16 @@ static inline void protect_page(struct mm_struct *mm, unsigned long addr,
 				unsigned long flags)
 {
 	unsigned long *mask = mm->context.page_rwx_mask;
-	unsigned long page = addr >> 12;
-	unsigned long idx = page >> 5;
-	unsigned long bit = 1 << (page & 31);
+	unsigned long page;
+	unsigned long idx;
+	unsigned long bit;
+
+	if (unlikely(addr >= ASYNC_BANK0_BASE && addr < ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE))
+		page = (addr - (ASYNC_BANK0_BASE - _ramend)) >> 12;
+	else
+		page = addr >> 12;
+	idx = page >> 5;
+	bit = 1 << (page & 31);
 
 	if (flags & VM_READ)
 		mask[idx] |= bit;
diff --git a/arch/blackfin/include/asm/nand.h b/arch/blackfin/include/asm/nand.h
index 3ae8b569edfc..3a1e79dfc8d9 100644
--- a/arch/blackfin/include/asm/nand.h
+++ b/arch/blackfin/include/asm/nand.h
@@ -1,5 +1,5 @@
 /*
- * BF5XX - NAND flash controller platfrom_device info
+ * BF5XX - NAND flash controller platform_device info
  *
  * Copyright 2007-2008 Analog Devices, Inc.
  *
@@ -8,7 +8,7 @@
 
 /* struct bf5xx_nand_platform
  *
- * define a interface between platfrom board specific code and
+ * define a interface between platform board specific code and
  * bf54x NFC driver.
  *
  * nr_partitions = number of partitions pointed to be partitoons (or zero)
diff --git a/arch/blackfin/include/asm/nmi.h b/arch/blackfin/include/asm/nmi.h
new file mode 100644
index 000000000000..b9caac4fcfd8
--- /dev/null
+++ b/arch/blackfin/include/asm/nmi.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2
+ */
+
+#ifndef _BFIN_NMI_H_
+#define _BFIN_NMI_H_
+
+#include <linux/nmi.h>
+
+#endif
diff --git a/arch/blackfin/include/asm/page.h b/arch/blackfin/include/asm/page.h
index 1d04e4078340..d0ce975bcd48 100644
--- a/arch/blackfin/include/asm/page.h
+++ b/arch/blackfin/include/asm/page.h
@@ -15,4 +15,7 @@
 	((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0 ) | \
 		 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
+#include <asm-generic/memory_model.h>
+#include <asm-generic/getorder.h>
+
 #endif
diff --git a/arch/blackfin/include/asm/ptrace.h b/arch/blackfin/include/asm/ptrace.h
index b33a4488f498..aaa1c6c2bc19 100644
--- a/arch/blackfin/include/asm/ptrace.h
+++ b/arch/blackfin/include/asm/ptrace.h
@@ -24,6 +24,8 @@
 
 #ifndef __ASSEMBLY__
 
+struct task_struct;
+
 /* this struct defines the way the registers are stored on the
    stack during a system call. */
 
@@ -101,9 +103,30 @@ struct pt_regs {
    master interrupt enable.  */
 #define user_mode(regs) (!(((regs)->ipend & ~0x10) & (((regs)->ipend & ~0x10) - 1)))
 #define instruction_pointer(regs) ((regs)->pc)
+#define user_stack_pointer(regs)  ((regs)->usp)
 #define profile_pc(regs) instruction_pointer(regs)
 extern void show_regs(struct pt_regs *);
 
+#define arch_has_single_step()	(1)
+extern void user_enable_single_step(struct task_struct *child);
+extern void user_disable_single_step(struct task_struct *child);
+/* common code demands this function */
+#define ptrace_disable(child) user_disable_single_step(child)
+
+/*
+ * Get the address of the live pt_regs for the specified task.
+ * These are saved onto the top kernel stack when the process
+ * is not running.
+ *
+ * Note: if a user thread is execve'd from kernel space, the
+ * kernel stack will not be empty on entry to the kernel, so
+ * ptracing these tasks will fail.
+ */
+#define task_pt_regs(task) \
+	(struct pt_regs *) \
+	    ((unsigned long)task_stack_page(task) + \
+	     (THREAD_SIZE - sizeof(struct pt_regs)))
+
 #endif  /*  __KERNEL__  */
 
 #endif				/* __ASSEMBLY__ */
@@ -173,4 +196,6 @@ extern void show_regs(struct pt_regs *);
 #define PT_FDPIC_EXEC 232
 #define PT_FDPIC_INTERP 236
 
+#define PT_LAST_PSEUDO PT_FDPIC_INTERP
+
 #endif				/* _BFIN_PTRACE_H */
diff --git a/arch/blackfin/include/asm/sections.h b/arch/blackfin/include/asm/sections.h
index 42f6c53c59c6..14a3e66d9167 100644
--- a/arch/blackfin/include/asm/sections.h
+++ b/arch/blackfin/include/asm/sections.h
@@ -21,6 +21,9 @@ extern unsigned long memory_start, memory_end, physical_mem_end;
 extern char _stext_l1[], _etext_l1[], _text_l1_lma[], __weak _text_l1_len[];
 extern char _sdata_l1[], _edata_l1[], _sbss_l1[], _ebss_l1[],
 	_data_l1_lma[], __weak _data_l1_len[];
+#ifdef CONFIG_ROMKERNEL
+extern char _data_lma[], _data_len[], _sinitdata[], _einitdata[], _init_data_lma[], _init_data_len[];
+#endif
 extern char _sdata_b_l1[], _edata_b_l1[], _sbss_b_l1[], _ebss_b_l1[],
 	_data_b_l1_lma[], __weak _data_b_l1_len[];
 extern char _stext_l2[], _etext_l2[], _sdata_l2[], _edata_l2[],
diff --git a/arch/blackfin/include/asm/smp.h b/arch/blackfin/include/asm/smp.h
index 6a0fe94b84a6..f5b537967116 100644
--- a/arch/blackfin/include/asm/smp.h
+++ b/arch/blackfin/include/asm/smp.h
@@ -22,8 +22,23 @@ extern char coreb_trampoline_start, coreb_trampoline_end;
 struct corelock_slot {
 	int lock;
 };
+extern struct corelock_slot corelock;
+
+#ifdef __ARCH_SYNC_CORE_ICACHE
+extern unsigned long icache_invld_count[NR_CPUS];
+#endif
+#ifdef __ARCH_SYNC_CORE_DCACHE
+extern unsigned long dcache_invld_count[NR_CPUS];
+#endif
 
 void smp_icache_flush_range_others(unsigned long start,
 				   unsigned long end);
+#ifdef CONFIG_HOTPLUG_CPU
+void coreb_sleep(u32 sic_iwr0, u32 sic_iwr1, u32 sic_iwr2);
+void cpu_die(void);
+void platform_cpu_die(void);
+int __cpu_disable(void);
+int __cpu_die(unsigned int cpu);
+#endif
 
 #endif /* !__ASM_BLACKFIN_SMP_H */
diff --git a/arch/blackfin/include/asm/syscall.h b/arch/blackfin/include/asm/syscall.h
new file mode 100644
index 000000000000..4921a4815cce
--- /dev/null
+++ b/arch/blackfin/include/asm/syscall.h
@@ -0,0 +1,96 @@
+/*
+ * Magic syscall break down functions
+ *
+ * Copyright 2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __ASM_BLACKFIN_SYSCALL_H__
+#define __ASM_BLACKFIN_SYSCALL_H__
+
+/*
+ * Blackfin syscalls are simple:
+ *	enter:
+ *		p0: syscall number
+ *		r{0,1,2,3,4,5}: syscall args 0,1,2,3,4,5
+ *	exit:
+ *		r0: return/error value
+ */
+
+#include <linux/err.h>
+#include <linux/sched.h>
+#include <asm/ptrace.h>
+
+static inline long
+syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
+{
+	return regs->p0;
+}
+
+static inline void
+syscall_rollback(struct task_struct *task, struct pt_regs *regs)
+{
+	regs->p0 = regs->orig_p0;
+}
+
+static inline long
+syscall_get_error(struct task_struct *task, struct pt_regs *regs)
+{
+	return IS_ERR_VALUE(regs->r0) ? regs->r0 : 0;
+}
+
+static inline long
+syscall_get_return_value(struct task_struct *task, struct pt_regs *regs)
+{
+	return regs->r0;
+}
+
+static inline void
+syscall_set_return_value(struct task_struct *task, struct pt_regs *regs,
+                         int error, long val)
+{
+	regs->r0 = error ? -error : val;
+}
+
+/**
+ *	syscall_get_arguments()
+ *	@task:   unused
+ *	@regs:   the register layout to extract syscall arguments from
+ *	@i:      first syscall argument to extract
+ *	@n:      number of syscall arguments to extract
+ *	@args:   array to return the syscall arguments in
+ *
+ * args[0] gets i'th argument, args[n - 1] gets the i+n-1'th argument
+ */
+static inline void
+syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
+                      unsigned int i, unsigned int n, unsigned long *args)
+{
+	/*
+	 * Assume the ptrace layout doesn't change -- r5 is first in memory,
+	 * then r4, ..., then r0.  So we simply reverse the ptrace register
+	 * array in memory to store into the args array.
+	 */
+	long *aregs = &regs->r0 - i;
+
+	BUG_ON(i > 5 || i + n > 6);
+
+	while (n--)
+		*args++ = *aregs--;
+}
+
+/* See syscall_get_arguments() comments */
+static inline void
+syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
+                      unsigned int i, unsigned int n, const unsigned long *args)
+{
+	long *aregs = &regs->r0 - i;
+
+	BUG_ON(i > 5 || i + n > 6);
+
+	while (n--)
+		*aregs-- = *args++;
+}
+
+#endif
diff --git a/arch/blackfin/include/asm/thread_info.h b/arch/blackfin/include/asm/thread_info.h
index a40d9368c38a..e9a5614cdbb1 100644
--- a/arch/blackfin/include/asm/thread_info.h
+++ b/arch/blackfin/include/asm/thread_info.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2004-2009 Analog Devices Inc.
+ * Copyright 2004-2010 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later.
  */
@@ -17,7 +17,7 @@
 /* Thread Align Mask to reach to the top of the stack
  * for any process
  */
-#define ALIGN_PAGE_MASK         0xffffe000
+#define ALIGN_PAGE_MASK		0xffffe000
 
 /*
  * Size of kernel stack for each process. This must be a power of 2...
@@ -57,7 +57,7 @@ struct thread_info {
 	.exec_domain	= &default_exec_domain,	\
 	.flags		= 0,			\
 	.cpu		= 0,			\
-	.preempt_count  = INIT_PREEMPT_COUNT,   \
+	.preempt_count	= INIT_PREEMPT_COUNT,	\
 	.restart_block	= {			\
 		.fn = do_no_restart_syscall,	\
 	},					\
@@ -73,8 +73,7 @@ __attribute_const__
 static inline struct thread_info *current_thread_info(void)
 {
 	struct thread_info *ti;
-      __asm__("%0 = sp;" : "=da"(ti) :
-	);
+	__asm__("%0 = sp;" : "=da"(ti));
 	return (struct thread_info *)((long)ti & ~((long)THREAD_SIZE-1));
 }
 
@@ -99,21 +98,23 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_NEED_RESCHED	2	/* rescheduling necessary */
 #define TIF_POLLING_NRFLAG	3	/* true if poll_idle() is polling
 					   TIF_NEED_RESCHED */
-#define TIF_MEMDIE              4
+#define TIF_MEMDIE		4
 #define TIF_RESTORE_SIGMASK	5	/* restore signal mask in do_signal() */
-#define TIF_FREEZE              6       /* is freezing for suspend */
-#define TIF_IRQ_SYNC            7       /* sync pipeline stage */
-#define TIF_NOTIFY_RESUME       8       /* callback before returning to user */
+#define TIF_FREEZE		6	/* is freezing for suspend */
+#define TIF_IRQ_SYNC		7	/* sync pipeline stage */
+#define TIF_NOTIFY_RESUME	8	/* callback before returning to user */
+#define TIF_SINGLESTEP		9
 
 /* as above, but as bit values */
 #define _TIF_SYSCALL_TRACE	(1<<TIF_SYSCALL_TRACE)
 #define _TIF_SIGPENDING		(1<<TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1<<TIF_NEED_RESCHED)
-#define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
 #define _TIF_POLLING_NRFLAG	(1<<TIF_POLLING_NRFLAG)
 #define _TIF_RESTORE_SIGMASK	(1<<TIF_RESTORE_SIGMASK)
-#define _TIF_FREEZE             (1<<TIF_FREEZE)
-#define _TIF_IRQ_SYNC           (1<<TIF_IRQ_SYNC)
+#define _TIF_FREEZE		(1<<TIF_FREEZE)
+#define _TIF_IRQ_SYNC		(1<<TIF_IRQ_SYNC)
+#define _TIF_NOTIFY_RESUME	(1<<TIF_NOTIFY_RESUME)
+#define _TIF_SINGLESTEP		(1<<TIF_SINGLESTEP)
 
 #define _TIF_WORK_MASK		0x0000FFFE	/* work to do on interrupt/exception return */
 
diff --git a/arch/blackfin/include/asm/time.h b/arch/blackfin/include/asm/time.h
index 589e937ed1eb..9ca7db844d10 100644
--- a/arch/blackfin/include/asm/time.h
+++ b/arch/blackfin/include/asm/time.h
@@ -23,9 +23,7 @@
  */
 
 #ifndef CONFIG_CPU_FREQ
-#define TIME_SCALE 1
-#define __bfin_cycles_off (0)
-#define __bfin_cycles_mod (0)
+# define TIME_SCALE 1
 #else
 /*
  * Blackfin CPU frequency scaling supports max Core Clock 1, 1/2 and 1/4 .
@@ -33,9 +31,16 @@
  * adjust the Core Timer Presale Register. This way we don't lose time.
  */
 #define TIME_SCALE 4
+
+# ifdef CONFIG_CYCLES_CLOCKSOURCE
 extern unsigned long long __bfin_cycles_off;
 extern unsigned int __bfin_cycles_mod;
+# endif
+#endif
+
+#if defined(CONFIG_TICKSOURCE_CORETMR)
+extern void bfin_coretmr_init(void);
+extern void bfin_coretmr_clockevent_init(void);
 #endif
 
-extern void __init setup_core_timer(void);
 #endif
diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile
index a8ddbc8ed5af..346a421f1562 100644
--- a/arch/blackfin/kernel/Makefile
+++ b/arch/blackfin/kernel/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_CPLB_INFO)              += cplbinfo.o
 obj-$(CONFIG_MODULES)                += module.o
 obj-$(CONFIG_KGDB)                   += kgdb.o
 obj-$(CONFIG_KGDB_TESTS)             += kgdb_test.o
+obj-$(CONFIG_NMI_WATCHDOG)           += nmi.o
 obj-$(CONFIG_EARLY_PRINTK)           += early_printk.o
 obj-$(CONFIG_EARLY_PRINTK)           += shadow_console.o
 obj-$(CONFIG_STACKTRACE)             += stacktrace.o
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c
index 924c00286bab..26403d1c9e65 100644
--- a/arch/blackfin/kernel/bfin_dma_5xx.c
+++ b/arch/blackfin/kernel/bfin_dma_5xx.c
@@ -91,7 +91,7 @@ late_initcall(proc_dma_init);
  */
 int request_dma(unsigned int channel, const char *device_id)
 {
-	pr_debug("request_dma() : BEGIN \n");
+	pr_debug("request_dma() : BEGIN\n");
 
 	if (device_id == NULL)
 		printk(KERN_WARNING "request_dma(%u): no device_id given\n", channel);
@@ -107,7 +107,7 @@ int request_dma(unsigned int channel, const char *device_id)
 #endif
 
 	if (atomic_cmpxchg(&dma_ch[channel].chan_status, 0, 1)) {
-		pr_debug("DMA CHANNEL IN USE  \n");
+		pr_debug("DMA CHANNEL IN USE\n");
 		return -EBUSY;
 	}
 
@@ -131,7 +131,7 @@ int request_dma(unsigned int channel, const char *device_id)
 	 * you have to request DMA, before doing any operations on
 	 * descriptor/channel
 	 */
-	pr_debug("request_dma() : END  \n");
+	pr_debug("request_dma() : END\n");
 	return 0;
 }
 EXPORT_SYMBOL(request_dma);
@@ -171,7 +171,7 @@ static void clear_dma_buffer(unsigned int channel)
 
 void free_dma(unsigned int channel)
 {
-	pr_debug("freedma() : BEGIN \n");
+	pr_debug("freedma() : BEGIN\n");
 	BUG_ON(channel >= MAX_DMA_CHANNELS ||
 			!atomic_read(&dma_ch[channel].chan_status));
 
@@ -185,7 +185,7 @@ void free_dma(unsigned int channel)
 	/* Clear the DMA Variable in the Channel */
 	atomic_set(&dma_ch[channel].chan_status, 0);
 
-	pr_debug("freedma() : END \n");
+	pr_debug("freedma() : END\n");
 }
 EXPORT_SYMBOL(free_dma);
 
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index a174596cc009..e35e20f00d9b 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -1289,44 +1289,50 @@ __initcall(gpio_register_proc);
 #endif
 
 #ifdef CONFIG_GPIOLIB
-int bfin_gpiolib_direction_input(struct gpio_chip *chip, unsigned gpio)
+static int bfin_gpiolib_direction_input(struct gpio_chip *chip, unsigned gpio)
 {
 	return bfin_gpio_direction_input(gpio);
 }
 
-int bfin_gpiolib_direction_output(struct gpio_chip *chip, unsigned gpio, int level)
+static int bfin_gpiolib_direction_output(struct gpio_chip *chip, unsigned gpio, int level)
 {
 	return bfin_gpio_direction_output(gpio, level);
 }
 
-int bfin_gpiolib_get_value(struct gpio_chip *chip, unsigned gpio)
+static int bfin_gpiolib_get_value(struct gpio_chip *chip, unsigned gpio)
 {
 	return bfin_gpio_get_value(gpio);
 }
 
-void bfin_gpiolib_set_value(struct gpio_chip *chip, unsigned gpio, int value)
+static void bfin_gpiolib_set_value(struct gpio_chip *chip, unsigned gpio, int value)
 {
 	return bfin_gpio_set_value(gpio, value);
 }
 
-int bfin_gpiolib_gpio_request(struct gpio_chip *chip, unsigned gpio)
+static int bfin_gpiolib_gpio_request(struct gpio_chip *chip, unsigned gpio)
 {
 	return bfin_gpio_request(gpio, chip->label);
 }
 
-void bfin_gpiolib_gpio_free(struct gpio_chip *chip, unsigned gpio)
+static void bfin_gpiolib_gpio_free(struct gpio_chip *chip, unsigned gpio)
 {
 	return bfin_gpio_free(gpio);
 }
 
+static int bfin_gpiolib_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
+{
+	return gpio + GPIO_IRQ_BASE;
+}
+
 static struct gpio_chip bfin_chip = {
-	.label			= "Blackfin-GPIOlib",
+	.label			= "BFIN-GPIO",
 	.direction_input	= bfin_gpiolib_direction_input,
 	.get			= bfin_gpiolib_get_value,
 	.direction_output	= bfin_gpiolib_direction_output,
 	.set			= bfin_gpiolib_set_value,
 	.request		= bfin_gpiolib_gpio_request,
 	.free			= bfin_gpiolib_gpio_free,
+	.to_irq			= bfin_gpiolib_gpio_to_irq,
 	.base			= 0,
 	.ngpio			= MAX_BLACKFIN_GPIOS,
 };
diff --git a/arch/blackfin/kernel/cplb-mpu/cplbinit.c b/arch/blackfin/kernel/cplb-mpu/cplbinit.c
index 8d42b9e50dfa..30fd6417f069 100644
--- a/arch/blackfin/kernel/cplb-mpu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-mpu/cplbinit.c
@@ -64,6 +64,15 @@ void __init generate_cplb_tables_cpu(unsigned int cpu)
 		icplb_tbl[cpu][i_i++].data = i_data | (addr == 0 ? CPLB_USER_RD : 0);
 	}
 
+#ifdef CONFIG_ROMKERNEL
+	/* Cover kernel XIP flash area */
+	addr = CONFIG_ROM_BASE & ~(4 * 1024 * 1024 - 1);
+	dcplb_tbl[cpu][i_d].addr = addr;
+	dcplb_tbl[cpu][i_d++].data = d_data | CPLB_USER_RD;
+	icplb_tbl[cpu][i_i].addr = addr;
+	icplb_tbl[cpu][i_i++].data = i_data | CPLB_USER_RD;
+#endif
+
 	/* Cover L1 memory.  One 4M area for code and data each is enough.  */
 #if L1_DATA_A_LENGTH > 0 || L1_DATA_B_LENGTH > 0
 	dcplb_tbl[cpu][i_d].addr = get_l1_data_a_start_cpu(cpu);
diff --git a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
index 930c01c06813..87b25b1b30ed 100644
--- a/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
+++ b/arch/blackfin/kernel/cplb-mpu/cplbmgr.c
@@ -31,6 +31,12 @@ int nr_dcplb_miss[NR_CPUS], nr_icplb_miss[NR_CPUS];
 int nr_icplb_supv_miss[NR_CPUS], nr_dcplb_prot[NR_CPUS];
 int nr_cplb_flush[NR_CPUS];
 
+#ifdef CONFIG_EXCPT_IRQ_SYSC_L1
+#define MGR_ATTR __attribute__((l1_text))
+#else
+#define MGR_ATTR
+#endif
+
 /*
  * Given the contents of the status register, return the index of the
  * CPLB that caused the fault.
@@ -59,7 +65,7 @@ static int icplb_rr_index[NR_CPUS], dcplb_rr_index[NR_CPUS];
 /*
  * Find an ICPLB entry to be evicted and return its index.
  */
-static int evict_one_icplb(unsigned int cpu)
+MGR_ATTR static int evict_one_icplb(unsigned int cpu)
 {
 	int i;
 	for (i = first_switched_icplb; i < MAX_CPLBS; i++)
@@ -74,7 +80,7 @@ static int evict_one_icplb(unsigned int cpu)
 	return i;
 }
 
-static int evict_one_dcplb(unsigned int cpu)
+MGR_ATTR static int evict_one_dcplb(unsigned int cpu)
 {
 	int i;
 	for (i = first_switched_dcplb; i < MAX_CPLBS; i++)
@@ -89,7 +95,7 @@ static int evict_one_dcplb(unsigned int cpu)
 	return i;
 }
 
-static noinline int dcplb_miss(unsigned int cpu)
+MGR_ATTR static noinline int dcplb_miss(unsigned int cpu)
 {
 	unsigned long addr = bfin_read_DCPLB_FAULT_ADDR();
 	int status = bfin_read_DCPLB_STATUS();
@@ -114,10 +120,15 @@ static noinline int dcplb_miss(unsigned int cpu)
 		d_data = L2_DMEMORY;
 	} else if (addr >= physical_mem_end) {
 		if (addr >= ASYNC_BANK0_BASE && addr < ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE) {
-			addr &= ~(4 * 1024 * 1024 - 1);
-			d_data &= ~PAGE_SIZE_4KB;
-			d_data |= PAGE_SIZE_4MB;
-			d_data |= CPLB_USER_RD | CPLB_USER_WR;
+			mask = current_rwx_mask[cpu];
+			if (mask) {
+				int page = (addr - (ASYNC_BANK0_BASE - _ramend)) >> PAGE_SHIFT;
+				int idx = page >> 5;
+				int bit = 1 << (page & 31);
+
+				if (mask[idx] & bit)
+					d_data |= CPLB_USER_RD;
+			}
 		} else if (addr >= BOOT_ROM_START && addr < BOOT_ROM_START + BOOT_ROM_LENGTH
 		    && (status & (FAULT_RW | FAULT_USERSUPV)) == FAULT_USERSUPV) {
 			addr &= ~(1 * 1024 * 1024 - 1);
@@ -126,7 +137,9 @@ static noinline int dcplb_miss(unsigned int cpu)
 		} else
 			return CPLB_PROT_VIOL;
 	} else if (addr >= _ramend) {
-	    d_data |= CPLB_USER_RD | CPLB_USER_WR;
+		d_data |= CPLB_USER_RD | CPLB_USER_WR;
+		if (reserved_mem_dcache_on)
+			d_data |= CPLB_L1_CHBL;
 	} else {
 		mask = current_rwx_mask[cpu];
 		if (mask) {
@@ -156,7 +169,7 @@ static noinline int dcplb_miss(unsigned int cpu)
 	return 0;
 }
 
-static noinline int icplb_miss(unsigned int cpu)
+MGR_ATTR static noinline int icplb_miss(unsigned int cpu)
 {
 	unsigned long addr = bfin_read_ICPLB_FAULT_ADDR();
 	int status = bfin_read_ICPLB_STATUS();
@@ -204,10 +217,19 @@ static noinline int icplb_miss(unsigned int cpu)
 		i_data = L2_IMEMORY;
 	} else if (addr >= physical_mem_end) {
 		if (addr >= ASYNC_BANK0_BASE && addr < ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE) {
-			addr &= ~(4 * 1024 * 1024 - 1);
-			i_data &= ~PAGE_SIZE_4KB;
-			i_data |= PAGE_SIZE_4MB;
-			i_data |= CPLB_USER_RD;
+			if (!(status & FAULT_USERSUPV)) {
+				unsigned long *mask = current_rwx_mask[cpu];
+
+				if (mask) {
+					int page = (addr - (ASYNC_BANK0_BASE - _ramend)) >> PAGE_SHIFT;
+					int idx = page >> 5;
+					int bit = 1 << (page & 31);
+
+					mask += 2 * page_mask_nelts;
+					if (mask[idx] & bit)
+						i_data |= CPLB_USER_RD;
+				}
+			}
 		} else if (addr >= BOOT_ROM_START && addr < BOOT_ROM_START + BOOT_ROM_LENGTH
 		    && (status & FAULT_USERSUPV)) {
 			addr &= ~(1 * 1024 * 1024 - 1);
@@ -217,6 +239,8 @@ static noinline int icplb_miss(unsigned int cpu)
 		    return CPLB_PROT_VIOL;
 	} else if (addr >= _ramend) {
 		i_data |= CPLB_USER_RD;
+		if (reserved_mem_icache_on)
+			i_data |= CPLB_L1_CHBL;
 	} else {
 		/*
 		 * Two cases to distinguish - a supervisor access must
@@ -251,7 +275,7 @@ static noinline int icplb_miss(unsigned int cpu)
 	return 0;
 }
 
-static noinline int dcplb_protection_fault(unsigned int cpu)
+MGR_ATTR static noinline int dcplb_protection_fault(unsigned int cpu)
 {
 	int status = bfin_read_DCPLB_STATUS();
 
@@ -271,7 +295,7 @@ static noinline int dcplb_protection_fault(unsigned int cpu)
 	return CPLB_PROT_VIOL;
 }
 
-int cplb_hdr(int seqstat, struct pt_regs *regs)
+MGR_ATTR int cplb_hdr(int seqstat, struct pt_regs *regs)
 {
 	int cause = seqstat & 0x3f;
 	unsigned int cpu = raw_smp_processor_id();
diff --git a/arch/blackfin/kernel/cplb-nompu/cplbinit.c b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
index 282a7919821b..bfe75af4e8bd 100644
--- a/arch/blackfin/kernel/cplb-nompu/cplbinit.c
+++ b/arch/blackfin/kernel/cplb-nompu/cplbinit.c
@@ -56,6 +56,15 @@ void __init generate_cplb_tables_cpu(unsigned int cpu)
 		i_tbl[i_i++].data = SDRAM_IGENERIC | PAGE_SIZE_4MB;
 	}
 
+#ifdef CONFIG_ROMKERNEL
+	/* Cover kernel XIP flash area */
+	addr = CONFIG_ROM_BASE & ~(4 * 1024 * 1024 - 1);
+	d_tbl[i_d].addr = addr;
+	d_tbl[i_d++].data = SDRAM_DGENERIC | PAGE_SIZE_4MB;
+	i_tbl[i_i].addr = addr;
+	i_tbl[i_i++].data = SDRAM_IGENERIC | PAGE_SIZE_4MB;
+#endif
+
 	/* Cover L1 memory.  One 4M area for code and data each is enough.  */
 	if (cpu == 0) {
 		if (L1_DATA_A_LENGTH || L1_DATA_B_LENGTH) {
diff --git a/arch/blackfin/kernel/dma-mapping.c b/arch/blackfin/kernel/dma-mapping.c
index e937f323d82c..04ddcfeb7981 100644
--- a/arch/blackfin/kernel/dma-mapping.c
+++ b/arch/blackfin/kernel/dma-mapping.c
@@ -116,7 +116,7 @@ EXPORT_SYMBOL(dma_free_coherent);
 void __dma_sync(dma_addr_t addr, size_t size,
 		enum dma_data_direction dir)
 {
-	_dma_sync(addr, size, dir);
+	__dma_sync_inline(addr, size, dir);
 }
 EXPORT_SYMBOL(__dma_sync);
 
diff --git a/arch/blackfin/kernel/entry.S b/arch/blackfin/kernel/entry.S
index f27dc2292e1b..686478f5f66b 100644
--- a/arch/blackfin/kernel/entry.S
+++ b/arch/blackfin/kernel/entry.S
@@ -44,7 +44,7 @@ ENTRY(_ret_from_fork)
 	sti r4;
 #endif /* CONFIG_IPIPE */
 	SP += -12;
-	call _schedule_tail;
+	pseudo_long_call _schedule_tail, p5;
 	SP += 12;
 	r0 = [sp + PT_IPEND];
 	cc = bittst(r0,1);
@@ -79,7 +79,7 @@ ENTRY(_sys_vfork)
 	r0 += 24;
 	[--sp] = rets;
 	SP += -12;
-	call _bfin_vfork;
+	pseudo_long_call _bfin_vfork, p2;
 	SP += 12;
 	rets = [sp++];
 	rts;
@@ -90,7 +90,7 @@ ENTRY(_sys_clone)
 	r0 += 24;
 	[--sp] = rets;
 	SP += -12;
-	call _bfin_clone;
+	pseudo_long_call _bfin_clone, p2;
 	SP += 12;
 	rets = [sp++];
 	rts;
@@ -101,7 +101,7 @@ ENTRY(_sys_rt_sigreturn)
 	r0 += 24;
 	[--sp] = rets;
 	SP += -12;
-	call _do_rt_sigreturn;
+	pseudo_long_call _do_rt_sigreturn, p2;
 	SP += 12;
 	rets = [sp++];
 	rts;
diff --git a/arch/blackfin/kernel/ftrace-entry.S b/arch/blackfin/kernel/ftrace-entry.S
index 76dd4fbcd17a..d66446b572c0 100644
--- a/arch/blackfin/kernel/ftrace-entry.S
+++ b/arch/blackfin/kernel/ftrace-entry.S
@@ -1,7 +1,7 @@
 /*
  * mcount and friends -- ftrace stuff
  *
- * Copyright (C) 2009 Analog Devices Inc.
+ * Copyright (C) 2009-2010 Analog Devices Inc.
  * Licensed under the GPL-2 or later.
  */
 
@@ -21,6 +21,15 @@
  * function will be waiting there.  mmmm pie.
  */
 ENTRY(__mcount)
+#ifdef CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST
+	/* optional micro optimization: return if stopped */
+	p1.l = _function_trace_stop;
+	p1.h = _function_trace_stop;
+	r3 = [p1];
+	cc = r3 == 0;
+	if ! cc jump _ftrace_stub (bp);
+#endif
+
 	/* save third function arg early so we can do testing below */
 	[--sp] = r2;
 
@@ -106,9 +115,12 @@ ENTRY(_ftrace_graph_caller)
 	[--sp] = r1;
 	[--sp] = rets;
 
-	/* prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) */
-	r0 = sp;
-	r1 = rets;
+	/* prepare_ftrace_return(parent, self_addr, frame_pointer) */
+	r0 = sp;	/* unsigned long *parent */
+	r1 = rets;	/* unsigned long self_addr */
+#ifdef CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST
+	r2 = fp;	/* unsigned long frame_pointer */
+#endif
 	r0 += 16;	/* skip the 4 local regs on stack */
 	r1 += -MCOUNT_INSN_SIZE;
 	call _prepare_ftrace_return;
@@ -127,6 +139,9 @@ ENTRY(_return_to_handler)
 	[--sp] = r1;
 
 	/* get original return address */
+#ifdef CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST
+	r0 = fp;	/* Blackfin is sane, so omit this */
+#endif
 	call _ftrace_return_to_handler;
 	rets = r0;
 
diff --git a/arch/blackfin/kernel/ftrace.c b/arch/blackfin/kernel/ftrace.c
index f2c85ac6f2da..a61d948ea925 100644
--- a/arch/blackfin/kernel/ftrace.c
+++ b/arch/blackfin/kernel/ftrace.c
@@ -16,7 +16,8 @@
  * Hook the return address and push it in the stack of return addrs
  * in current thread info.
  */
-void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
+void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
+                           unsigned long frame_pointer)
 {
 	struct ftrace_graph_ent trace;
 	unsigned long return_hooker = (unsigned long)&return_to_handler;
@@ -24,7 +25,8 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
 	if (unlikely(atomic_read(&current->tracing_graph_pause)))
 		return;
 
-	if (ftrace_push_return_trace(*parent, self_addr, &trace.depth, 0) == -EBUSY)
+	if (ftrace_push_return_trace(*parent, self_addr, &trace.depth,
+	                             frame_pointer) == -EBUSY)
 		return;
 
 	trace.func = self_addr;
diff --git a/arch/blackfin/kernel/init_task.c b/arch/blackfin/kernel/init_task.c
index 118c5b9dedac..d3970e8acd1a 100644
--- a/arch/blackfin/kernel/init_task.c
+++ b/arch/blackfin/kernel/init_task.c
@@ -28,5 +28,5 @@ EXPORT_SYMBOL(init_task);
  * "init_task" linker map entry.
  */
 union thread_union init_thread_union
-    __attribute__ ((__section__(".init_task.data"))) = {
+    __init_task_data = {
 INIT_THREAD_INFO(init_task)};
diff --git a/arch/blackfin/kernel/kgdb.c b/arch/blackfin/kernel/kgdb.c
index 34c7c3ed2c9c..2c501ceb1e55 100644
--- a/arch/blackfin/kernel/kgdb.c
+++ b/arch/blackfin/kernel/kgdb.c
@@ -145,7 +145,7 @@ void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
 #endif
 }
 
-struct hw_breakpoint {
+static struct hw_breakpoint {
 	unsigned int occupied:1;
 	unsigned int skip:1;
 	unsigned int enabled:1;
@@ -155,7 +155,7 @@ struct hw_breakpoint {
 	unsigned int addr;
 } breakinfo[HW_WATCHPOINT_NUM];
 
-int bfin_set_hw_break(unsigned long addr, int len, enum kgdb_bptype type)
+static int bfin_set_hw_break(unsigned long addr, int len, enum kgdb_bptype type)
 {
 	int breakno;
 	int bfin_type;
@@ -202,7 +202,7 @@ int bfin_set_hw_break(unsigned long addr, int len, enum kgdb_bptype type)
 	return -ENOSPC;
 }
 
-int bfin_remove_hw_break(unsigned long addr, int len, enum kgdb_bptype type)
+static int bfin_remove_hw_break(unsigned long addr, int len, enum kgdb_bptype type)
 {
 	int breakno;
 	int bfin_type;
@@ -230,7 +230,7 @@ int bfin_remove_hw_break(unsigned long addr, int len, enum kgdb_bptype type)
 	return 0;
 }
 
-void bfin_remove_all_hw_break(void)
+static void bfin_remove_all_hw_break(void)
 {
 	int breakno;
 
@@ -242,7 +242,7 @@ void bfin_remove_all_hw_break(void)
 		breakinfo[breakno].type = TYPE_DATA_WATCHPOINT;
 }
 
-void bfin_correct_hw_break(void)
+static void bfin_correct_hw_break(void)
 {
 	int breakno;
 	unsigned int wpiactl = 0;
diff --git a/arch/blackfin/kernel/nmi.c b/arch/blackfin/kernel/nmi.c
new file mode 100644
index 000000000000..0b5f72f17fd0
--- /dev/null
+++ b/arch/blackfin/kernel/nmi.c
@@ -0,0 +1,299 @@
+/*
+ * Blackfin nmi_watchdog Driver
+ *
+ * Originally based on bfin_wdt.c
+ * Copyright 2010-2010 Analog Devices Inc.
+ *		Graff Yang <graf.yang@analog.com>
+ *
+ * Enter bugs at http://blackfin.uclinux.org/
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/bitops.h>
+#include <linux/hardirq.h>
+#include <linux/sysdev.h>
+#include <linux/pm.h>
+#include <linux/nmi.h>
+#include <linux/smp.h>
+#include <linux/timer.h>
+#include <asm/blackfin.h>
+#include <asm/atomic.h>
+#include <asm/cacheflush.h>
+#include <asm/bfin_watchdog.h>
+
+#define DRV_NAME "nmi-wdt"
+
+#define NMI_WDT_TIMEOUT 5          /* 5 seconds */
+#define NMI_CHECK_TIMEOUT (4 * HZ) /* 4 seconds in jiffies */
+static int nmi_wdt_cpu = 1;
+
+static unsigned int timeout = NMI_WDT_TIMEOUT;
+static int nmi_active;
+
+static unsigned short wdoga_ctl;
+static unsigned int wdoga_cnt;
+static struct corelock_slot saved_corelock;
+static atomic_t nmi_touched[NR_CPUS];
+static struct timer_list ntimer;
+
+enum {
+	COREA_ENTER_NMI = 0,
+	COREA_EXIT_NMI,
+	COREB_EXIT_NMI,
+
+	NMI_EVENT_NR,
+};
+static unsigned long nmi_event __attribute__ ((__section__(".l2.bss")));
+
+/* we are in nmi, non-atomic bit ops is safe */
+static inline void set_nmi_event(int event)
+{
+	__set_bit(event, &nmi_event);
+}
+
+static inline void wait_nmi_event(int event)
+{
+	while (!test_bit(event, &nmi_event))
+		barrier();
+	__clear_bit(event, &nmi_event);
+}
+
+static inline void send_corea_nmi(void)
+{
+	wdoga_ctl = bfin_read_WDOGA_CTL();
+	wdoga_cnt = bfin_read_WDOGA_CNT();
+
+	bfin_write_WDOGA_CTL(WDEN_DISABLE);
+	bfin_write_WDOGA_CNT(0);
+	bfin_write_WDOGA_CTL(WDEN_ENABLE | ICTL_NMI);
+}
+
+static inline void restore_corea_nmi(void)
+{
+	bfin_write_WDOGA_CTL(WDEN_DISABLE);
+	bfin_write_WDOGA_CTL(WDOG_EXPIRED | WDEN_DISABLE | ICTL_NONE);
+
+	bfin_write_WDOGA_CNT(wdoga_cnt);
+	bfin_write_WDOGA_CTL(wdoga_ctl);
+}
+
+static inline void save_corelock(void)
+{
+	saved_corelock = corelock;
+	corelock.lock = 0;
+}
+
+static inline void restore_corelock(void)
+{
+	corelock = saved_corelock;
+}
+
+
+static inline void nmi_wdt_keepalive(void)
+{
+	bfin_write_WDOGB_STAT(0);
+}
+
+static inline void nmi_wdt_stop(void)
+{
+	bfin_write_WDOGB_CTL(WDEN_DISABLE);
+}
+
+/* before calling this function, you must stop the WDT */
+static inline void nmi_wdt_clear(void)
+{
+	/* clear TRO bit, disable event generation */
+	bfin_write_WDOGB_CTL(WDOG_EXPIRED | WDEN_DISABLE | ICTL_NONE);
+}
+
+static inline void nmi_wdt_start(void)
+{
+	bfin_write_WDOGB_CTL(WDEN_ENABLE | ICTL_NMI);
+}
+
+static inline int nmi_wdt_running(void)
+{
+	return ((bfin_read_WDOGB_CTL() & WDEN_MASK) != WDEN_DISABLE);
+}
+
+static inline int nmi_wdt_set_timeout(unsigned long t)
+{
+	u32 cnt, max_t, sclk;
+	int run;
+
+	sclk = get_sclk();
+	max_t = -1 / sclk;
+	cnt = t * sclk;
+	if (t > max_t) {
+		pr_warning("NMI: timeout value is too large\n");
+		return -EINVAL;
+	}
+
+	run = nmi_wdt_running();
+	nmi_wdt_stop();
+	bfin_write_WDOGB_CNT(cnt);
+	if (run)
+		nmi_wdt_start();
+
+	timeout = t;
+
+	return 0;
+}
+
+int check_nmi_wdt_touched(void)
+{
+	unsigned int this_cpu = smp_processor_id();
+	unsigned int cpu;
+
+	cpumask_t mask = cpu_online_map;
+
+	if (!atomic_read(&nmi_touched[this_cpu]))
+		return 0;
+
+	atomic_set(&nmi_touched[this_cpu], 0);
+
+	cpu_clear(this_cpu, mask);
+	for_each_cpu_mask(cpu, mask) {
+		invalidate_dcache_range((unsigned long)(&nmi_touched[cpu]),
+				(unsigned long)(&nmi_touched[cpu]));
+		if (!atomic_read(&nmi_touched[cpu]))
+			return 0;
+		atomic_set(&nmi_touched[cpu], 0);
+	}
+
+	return 1;
+}
+
+static void nmi_wdt_timer(unsigned long data)
+{
+	if (check_nmi_wdt_touched())
+		nmi_wdt_keepalive();
+
+	mod_timer(&ntimer, jiffies + NMI_CHECK_TIMEOUT);
+}
+
+static int __init init_nmi_wdt(void)
+{
+	nmi_wdt_set_timeout(timeout);
+	nmi_wdt_start();
+	nmi_active = true;
+
+	init_timer(&ntimer);
+	ntimer.function = nmi_wdt_timer;
+	ntimer.expires = jiffies + NMI_CHECK_TIMEOUT;
+	add_timer(&ntimer);
+
+	pr_info("nmi_wdt: initialized: timeout=%d sec\n", timeout);
+	return 0;
+}
+device_initcall(init_nmi_wdt);
+
+void touch_nmi_watchdog(void)
+{
+	atomic_set(&nmi_touched[smp_processor_id()], 1);
+}
+
+/* Suspend/resume support */
+#ifdef CONFIG_PM
+static int nmi_wdt_suspend(struct sys_device *dev, pm_message_t state)
+{
+	nmi_wdt_stop();
+	return 0;
+}
+
+static int nmi_wdt_resume(struct sys_device *dev)
+{
+	if (nmi_active)
+		nmi_wdt_start();
+	return 0;
+}
+
+static struct sysdev_class nmi_sysclass = {
+	.name		= DRV_NAME,
+	.resume		= nmi_wdt_resume,
+	.suspend	= nmi_wdt_suspend,
+};
+
+static struct sys_device device_nmi_wdt = {
+	.id	= 0,
+	.cls	= &nmi_sysclass,
+};
+
+static int __init init_nmi_wdt_sysfs(void)
+{
+	int error;
+
+	if (!nmi_active)
+		return 0;
+
+	error = sysdev_class_register(&nmi_sysclass);
+	if (!error)
+		error = sysdev_register(&device_nmi_wdt);
+	return error;
+}
+late_initcall(init_nmi_wdt_sysfs);
+
+#endif	/* CONFIG_PM */
+
+
+asmlinkage notrace void do_nmi(struct pt_regs *fp)
+{
+	unsigned int cpu = smp_processor_id();
+	nmi_enter();
+
+	cpu_pda[cpu].__nmi_count += 1;
+
+	if (cpu == nmi_wdt_cpu) {
+		/* CoreB goes here first */
+
+		/* reload the WDOG_STAT */
+		nmi_wdt_keepalive();
+
+		/* clear nmi interrupt for CoreB */
+		nmi_wdt_stop();
+		nmi_wdt_clear();
+
+		/* trigger NMI interrupt of CoreA */
+		send_corea_nmi();
+
+		/* waiting CoreB to enter NMI */
+		wait_nmi_event(COREA_ENTER_NMI);
+
+		/* recover WDOGA's settings */
+		restore_corea_nmi();
+
+		save_corelock();
+
+		/* corelock is save/cleared, CoreA is dummping messages */
+
+		wait_nmi_event(COREA_EXIT_NMI);
+	} else {
+		/* OK, CoreA entered NMI */
+		set_nmi_event(COREA_ENTER_NMI);
+	}
+
+	pr_emerg("\nNMI Watchdog detected LOCKUP, dump for CPU %d\n", cpu);
+	dump_bfin_process(fp);
+	dump_bfin_mem(fp);
+	show_regs(fp);
+	dump_bfin_trace_buffer();
+	show_stack(current, (unsigned long *)fp);
+
+	if (cpu == nmi_wdt_cpu) {
+		pr_emerg("This fault is not recoverable, sorry!\n");
+
+		/* CoreA dump finished, restore the corelock */
+		restore_corelock();
+
+		set_nmi_event(COREB_EXIT_NMI);
+	} else {
+		/* CoreB dump finished, notice the CoreA we are done */
+		set_nmi_event(COREA_EXIT_NMI);
+
+		/* synchronize with CoreA */
+		wait_nmi_event(COREB_EXIT_NMI);
+	}
+
+	nmi_exit();
+}
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index b56b0e485e0b..29705cec91de 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -98,13 +98,6 @@ void cpu_idle(void)
 	}
 }
 
-/* Fill in the fpu structure for a core dump.  */
-
-int dump_fpu(struct pt_regs *regs, elf_fpregset_t * fpregs)
-{
-	return 1;
-}
-
 /*
  * This gets run with P1 containing the
  * function to call, and R1 containing
diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c
index 65567dc4b9f5..43eb969405d1 100644
--- a/arch/blackfin/kernel/ptrace.c
+++ b/arch/blackfin/kernel/ptrace.c
@@ -1,6 +1,6 @@
 /*
  * linux/kernel/ptrace.c is by Ross Biro 1/23/92, edited by Linus Torvalds
- * these modifications are Copyright 2004-2009 Analog Devices Inc.
+ * these modifications are Copyright 2004-2010 Analog Devices Inc.
  *
  * Licensed under the GPL-2
  */
@@ -9,10 +9,13 @@
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
+#include <linux/elf.h>
 #include <linux/errno.h>
 #include <linux/ptrace.h>
 #include <linux/user.h>
+#include <linux/regset.h>
 #include <linux/signal.h>
+#include <linux/tracehook.h>
 #include <linux/uaccess.h>
 
 #include <asm/page.h>
@@ -25,90 +28,57 @@
 #include <asm/cacheflush.h>
 #include <asm/mem_map.h>
 
-#define TEXT_OFFSET 0
 /*
  * does not yet catch signals sent when the child dies.
  * in exit.c or in signal.c.
  */
 
-/* determines which bits in the SYSCFG reg the user has access to. */
-/* 1 = access 0 = no access */
-#define SYSCFG_MASK 0x0007	/* SYSCFG reg */
-/* sets the trace bits. */
-#define TRACE_BITS 0x0001
-
-/* Find the stack offset for a register, relative to thread.esp0. */
-#define PT_REG(reg)	((long)&((struct pt_regs *)0)->reg)
-
-/*
- * Get the address of the live pt_regs for the specified task.
- * These are saved onto the top kernel stack when the process
- * is not running.
- *
- * Note: if a user thread is execve'd from kernel space, the
- * kernel stack will not be empty on entry to the kernel, so
- * ptracing these tasks will fail.
- */
-static inline struct pt_regs *get_user_regs(struct task_struct *task)
-{
-	return (struct pt_regs *)
-	    ((unsigned long)task_stack_page(task) +
-	     (THREAD_SIZE - sizeof(struct pt_regs)));
-}
-
-/*
- * Get all user integer registers.
- */
-static inline int ptrace_getregs(struct task_struct *tsk, void __user *uregs)
-{
-	struct pt_regs regs;
-	memcpy(&regs, get_user_regs(tsk), sizeof(regs));
-	regs.usp = tsk->thread.usp;
-	return copy_to_user(uregs, &regs, sizeof(struct pt_regs)) ? -EFAULT : 0;
-}
-
-/* Mapping from PT_xxx to the stack offset at which the register is
- * saved.  Notice that usp has no stack-slot and needs to be treated
- * specially (see get_reg/put_reg below).
- */
-
 /*
  * Get contents of register REGNO in task TASK.
  */
-static inline long get_reg(struct task_struct *task, int regno)
+static inline long
+get_reg(struct task_struct *task, long regno, unsigned long __user *datap)
 {
-	unsigned char *reg_ptr;
+	long tmp;
+	struct pt_regs *regs = task_pt_regs(task);
 
-	struct pt_regs *regs =
-	    (struct pt_regs *)((unsigned long)task_stack_page(task) +
-			       (THREAD_SIZE - sizeof(struct pt_regs)));
-	reg_ptr = (char *)regs;
+	if (regno & 3 || regno > PT_LAST_PSEUDO || regno < 0)
+		return -EIO;
 
 	switch (regno) {
+	case PT_TEXT_ADDR:
+		tmp = task->mm->start_code;
+		break;
+	case PT_TEXT_END_ADDR:
+		tmp = task->mm->end_code;
+		break;
+	case PT_DATA_ADDR:
+		tmp = task->mm->start_data;
+		break;
 	case PT_USP:
-		return task->thread.usp;
+		tmp = task->thread.usp;
+		break;
 	default:
-		if (regno <= 216)
-			return *(long *)(reg_ptr + regno);
+		if (regno < sizeof(*regs)) {
+			void *reg_ptr = regs;
+			tmp = *(long *)(reg_ptr + regno);
+		} else
+			return -EIO;
 	}
-	/* slight mystery ... never seems to come here but kernel misbehaves without this code! */
 
-	printk(KERN_WARNING "Request to get for unknown register %d\n", regno);
-	return 0;
+	return put_user(tmp, datap);
 }
 
 /*
  * Write contents of register REGNO in task TASK.
  */
 static inline int
-put_reg(struct task_struct *task, int regno, unsigned long data)
+put_reg(struct task_struct *task, long regno, unsigned long data)
 {
-	char *reg_ptr;
+	struct pt_regs *regs = task_pt_regs(task);
 
-	struct pt_regs *regs =
-	    (struct pt_regs *)((unsigned long)task_stack_page(task) +
-			       (THREAD_SIZE - sizeof(struct pt_regs)));
-	reg_ptr = (char *)regs;
+	if (regno & 3 || regno > PT_LAST_PSEUDO || regno < 0)
+		return -EIO;
 
 	switch (regno) {
 	case PT_PC:
@@ -125,10 +95,18 @@ put_reg(struct task_struct *task, int regno, unsigned long data)
 		regs->usp = data;
 		task->thread.usp = data;
 		break;
+	case PT_SYSCFG:	/* don't let userspace screw with this */
+		if ((data & ~1) != 0x6)
+			pr_warning("ptrace: ignore syscfg write of %#lx\n", data);
+		break;		/* regs->syscfg = data; break; */
 	default:
-		if (regno <= 216)
-			*(long *)(reg_ptr + regno) = data;
+		if (regno < sizeof(*regs)) {
+			void *reg_offset = regs;
+			*(long *)(reg_offset + regno) = data;
+		}
+		/* Ignore writes to pseudo registers */
 	}
+
 	return 0;
 }
 
@@ -160,24 +138,98 @@ static inline int is_user_addr_valid(struct task_struct *child,
 	return -EIO;
 }
 
-void ptrace_enable(struct task_struct *child)
+/*
+ * retrieve the contents of Blackfin userspace general registers
+ */
+static int genregs_get(struct task_struct *target,
+		       const struct user_regset *regset,
+		       unsigned int pos, unsigned int count,
+		       void *kbuf, void __user *ubuf)
 {
-	unsigned long tmp;
-	tmp = get_reg(child, PT_SYSCFG) | (TRACE_BITS);
-	put_reg(child, PT_SYSCFG, tmp);
+	struct pt_regs *regs = task_pt_regs(target);
+	int ret;
+
+	/* This sucks ... */
+	regs->usp = target->thread.usp;
+
+	ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
+				  regs, 0, sizeof(*regs));
+	if (ret < 0)
+		return ret;
+
+	return user_regset_copyout_zero(&pos, &count, &kbuf, &ubuf,
+					sizeof(*regs), -1);
 }
 
 /*
- * Called by kernel/ptrace.c when detaching..
- *
- * Make sure the single step bit is not set.
+ * update the contents of the Blackfin userspace general registers
+ */
+static int genregs_set(struct task_struct *target,
+		       const struct user_regset *regset,
+		       unsigned int pos, unsigned int count,
+		       const void *kbuf, const void __user *ubuf)
+{
+	struct pt_regs *regs = task_pt_regs(target);
+	int ret;
+
+	/* Don't let people set SYSCFG (it's at the end of pt_regs) */
+	ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf,
+				 regs, 0, PT_SYSCFG);
+	if (ret < 0)
+		return ret;
+
+	/* This sucks ... */
+	target->thread.usp = regs->usp;
+	/* regs->retx = regs->pc; */
+
+	return user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf,
+					PT_SYSCFG, -1);
+}
+
+/*
+ * Define the register sets available on the Blackfin under Linux
  */
-void ptrace_disable(struct task_struct *child)
+enum bfin_regset {
+	REGSET_GENERAL,
+};
+
+static const struct user_regset bfin_regsets[] = {
+	[REGSET_GENERAL] = {
+		.core_note_type = NT_PRSTATUS,
+		.n              = sizeof(struct pt_regs) / sizeof(long),
+		.size           = sizeof(long),
+		.align          = sizeof(long),
+		.get            = genregs_get,
+		.set            = genregs_set,
+	},
+};
+
+static const struct user_regset_view user_bfin_native_view = {
+	.name      = "Blackfin",
+	.e_machine = EM_BLACKFIN,
+	.regsets   = bfin_regsets,
+	.n         = ARRAY_SIZE(bfin_regsets),
+};
+
+const struct user_regset_view *task_user_regset_view(struct task_struct *task)
+{
+	return &user_bfin_native_view;
+}
+
+void user_enable_single_step(struct task_struct *child)
+{
+	struct pt_regs *regs = task_pt_regs(child);
+	regs->syscfg |= SYSCFG_SSSTEP;
+
+	set_tsk_thread_flag(child, TIF_SINGLESTEP);
+}
+
+void user_disable_single_step(struct task_struct *child)
 {
-	unsigned long tmp;
-	/* make sure the single step bit is not set. */
-	tmp = get_reg(child, PT_SYSCFG) & ~TRACE_BITS;
-	put_reg(child, PT_SYSCFG, tmp);
+	struct pt_regs *regs = task_pt_regs(child);
+	regs->syscfg &= ~SYSCFG_SSSTEP;
+
+	clear_tsk_thread_flag(child, TIF_SINGLESTEP);
 }
 
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
@@ -240,40 +292,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			break;
 		}
 
-		/* read the word at location addr in the USER area. */
-	case PTRACE_PEEKUSR:
-		{
-			unsigned long tmp;
-			ret = -EIO;
-			tmp = 0;
-			if ((addr & 3) || (addr > (sizeof(struct pt_regs) + 16))) {
-				printk(KERN_WARNING "ptrace error : PEEKUSR : temporarily returning "
-				                    "0 - %x sizeof(pt_regs) is %lx\n",
-				     (int)addr, sizeof(struct pt_regs));
-				break;
-			}
-			if (addr == sizeof(struct pt_regs)) {
-				/* PT_TEXT_ADDR */
-				tmp = child->mm->start_code + TEXT_OFFSET;
-			} else if (addr == (sizeof(struct pt_regs) + 4)) {
-				/* PT_TEXT_END_ADDR */
-				tmp = child->mm->end_code;
-			} else if (addr == (sizeof(struct pt_regs) + 8)) {
-				/* PT_DATA_ADDR */
-				tmp = child->mm->start_data;
-#ifdef CONFIG_BINFMT_ELF_FDPIC
-			} else if (addr == (sizeof(struct pt_regs) + 12)) {
-				goto case_PTRACE_GETFDPIC_EXEC;
-			} else if (addr == (sizeof(struct pt_regs) + 16)) {
-				goto case_PTRACE_GETFDPIC_INTERP;
-#endif
-			} else {
-				tmp = get_reg(child, addr);
-			}
-			ret = put_user(tmp, datap);
-			break;
-		}
-
 #ifdef CONFIG_BINFMT_ELF_FDPIC
 	case PTRACE_GETFDPIC: {
 		unsigned long tmp = 0;
@@ -336,78 +354,36 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			break;
 		}
 
-	case PTRACE_POKEUSR:	/* write the word at location addr in the USER area */
-		ret = -EIO;
-		if ((addr & 3) || (addr > (sizeof(struct pt_regs) + 16))) {
-			printk(KERN_WARNING "ptrace error : POKEUSR: temporarily returning 0\n");
-			break;
-		}
-
-		if (addr >= (sizeof(struct pt_regs))) {
-			ret = 0;
-			break;
-		}
-		if (addr == PT_SYSCFG) {
-			data &= SYSCFG_MASK;
-			data |= get_reg(child, PT_SYSCFG);
+	case PTRACE_PEEKUSR:
+		switch (addr) {
+#ifdef CONFIG_BINFMT_ELF_FDPIC	/* backwards compat */
+		case PT_FDPIC_EXEC:   goto case_PTRACE_GETFDPIC_EXEC;
+		case PT_FDPIC_INTERP: goto case_PTRACE_GETFDPIC_INTERP;
+#endif
+		default:
+			ret = get_reg(child, addr, datap);
 		}
-		ret = put_reg(child, addr, data);
+		pr_debug("ptrace: PEEKUSR reg %li with %#lx = %i\n", addr, data, ret);
 		break;
 
-	case PTRACE_SYSCALL:	/* continue and stop at next (return from) syscall */
-	case PTRACE_CONT:	/* restart after signal. */
-		pr_debug("ptrace: syscall/cont\n");
-
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		if (request == PTRACE_SYSCALL)
-			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		else
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		child->exit_code = data;
-		ptrace_disable(child);
-		pr_debug("ptrace: before wake_up_process\n");
-		wake_up_process(child);
-		ret = 0;
-		break;
-
-	/*
-	 * make the child exit.  Best I can do is send it a sigkill.
-	 * perhaps it should be put in the status that it wants to
-	 * exit.
-	 */
-	case PTRACE_KILL:
-		ret = 0;
-		if (child->exit_state == EXIT_ZOMBIE)	/* already dead */
-			break;
-		child->exit_code = SIGKILL;
-		ptrace_disable(child);
-		wake_up_process(child);
-		break;
-
-	case PTRACE_SINGLESTEP:	/* set the trap flag. */
-		pr_debug("ptrace: single step\n");
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		ptrace_enable(child);
-		child->exit_code = data;
-		wake_up_process(child);
-		ret = 0;
+	case PTRACE_POKEUSR:
+		ret = put_reg(child, addr, data);
+		pr_debug("ptrace: POKEUSR reg %li with %li = %i\n", addr, data, ret);
 		break;
 
 	case PTRACE_GETREGS:
-		/* Get all gp regs from the child. */
-		ret = ptrace_getregs(child, datap);
-		break;
+		pr_debug("ptrace: PTRACE_GETREGS\n");
+		return copy_regset_to_user(child, &user_bfin_native_view,
+					   REGSET_GENERAL,
+					   0, sizeof(struct pt_regs),
+					   (void __user *)data);
 
 	case PTRACE_SETREGS:
-		printk(KERN_WARNING "ptrace: SETREGS: **** NOT IMPLEMENTED ***\n");
-		/* Set all gp regs in the child. */
-		ret = 0;
-		break;
+		pr_debug("ptrace: PTRACE_SETREGS\n");
+		return copy_regset_from_user(child, &user_bfin_native_view,
+					     REGSET_GENERAL,
+					     0, sizeof(struct pt_regs),
+					     (const void __user *)data);
 
 	default:
 		ret = ptrace_request(child, request, addr, data);
@@ -417,27 +393,21 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	return ret;
 }
 
-asmlinkage void syscall_trace(void)
+asmlinkage int syscall_trace_enter(struct pt_regs *regs)
 {
-	if (!test_thread_flag(TIF_SYSCALL_TRACE))
-		return;
-
-	if (!(current->ptrace & PT_PTRACED))
-		return;
-
-	/* the 0x80 provides a way for the tracing parent to distinguish
-	 * between a syscall stop and SIGTRAP delivery
-	 */
-	ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
-				 ? 0x80 : 0));
-
-	/*
-	 * this isn't the same as continuing with a signal, but it will do
-	 * for normal use.  strace only continues with a signal if the
-	 * stopping signal is not SIGTRAP.  -brl
-	 */
-	if (current->exit_code) {
-		send_sig(current->exit_code, current, 1);
-		current->exit_code = 0;
-	}
+	int ret = 0;
+
+	if (test_thread_flag(TIF_SYSCALL_TRACE))
+		ret = tracehook_report_syscall_entry(regs);
+
+	return ret;
+}
+
+asmlinkage void syscall_trace_leave(struct pt_regs *regs)
+{
+	int step;
+
+	step = test_thread_flag(TIF_SINGLESTEP);
+	if (step || test_thread_flag(TIF_SYSCALL_TRACE))
+		tracehook_report_syscall_exit(regs, step);
 }
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 95448ae9c43a..8e2efceb364b 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -220,6 +220,16 @@ void __init bfin_relocate_l1_mem(void)
 		memcpy(_stext_l2, _l2_lma, l2_len);
 }
 
+#ifdef CONFIG_ROMKERNEL
+void __init bfin_relocate_xip_data(void)
+{
+	early_shadow_stamp();
+
+	memcpy(_sdata, _data_lma, (unsigned long)_data_len - THREAD_SIZE + sizeof(struct thread_info));
+	memcpy(_sinitdata, _init_data_lma, (unsigned long)_init_data_len);
+}
+#endif
+
 /* add_memory_region to memmap */
 static void __init add_memory_region(unsigned long long start,
 			      unsigned long long size, int type)
@@ -504,7 +514,7 @@ static __init void memory_setup(void)
 #endif
 	unsigned long max_mem;
 
-	_rambase = (unsigned long)_stext;
+	_rambase = CONFIG_BOOT_LOAD;
 	_ramstart = (unsigned long)_end;
 
 	if (DMA_UNCACHED_REGION > (_ramend - _ramstart)) {
@@ -597,7 +607,12 @@ static __init void memory_setup(void)
 	}
 
 #ifdef CONFIG_MPU
+#if defined(CONFIG_ROMFS_ON_MTD) && defined(CONFIG_MTD_ROM)
+	page_mask_nelts = (((_ramend + ASYNC_BANK3_BASE + ASYNC_BANK3_SIZE -
+					ASYNC_BANK0_BASE) >> PAGE_SHIFT) + 31) / 32;
+#else
 	page_mask_nelts = ((_ramend >> PAGE_SHIFT) + 31) / 32;
+#endif
 	page_mask_order = get_order(3 * page_mask_nelts * sizeof(long));
 #endif
 
@@ -630,7 +645,7 @@ static __init void memory_setup(void)
 		__bss_start, __bss_stop,
 		_sdata, _edata,
 		(void *)&init_thread_union,
-		(void *)((int)(&init_thread_union) + 0x2000),
+		(void *)((int)(&init_thread_union) + THREAD_SIZE),
 		__init_begin, __init_end,
 		(void *)_ramstart, (void *)memory_end
 #ifdef CONFIG_MTD_UCLINUX
@@ -792,10 +807,17 @@ static inline int __init get_mem_size(void)
 	BUG();
 }
 
+__attribute__((weak))
+void __init native_machine_early_platform_add_devices(void)
+{
+}
+
 void __init setup_arch(char **cmdline_p)
 {
 	unsigned long sclk, cclk;
 
+	native_machine_early_platform_add_devices();
+
 	enable_shadow_console();
 
 	/* Check to make sure we are running on the right processor */
@@ -1217,10 +1239,10 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		   dsup_banks, BFIN_DSUBBANKS, BFIN_DWAYS,
 		   BFIN_DLINES);
 #ifdef __ARCH_SYNC_CORE_DCACHE
-	seq_printf(m, "SMP Dcache Flushes\t: %lu\n\n", cpudata->dcache_invld_count);
+	seq_printf(m, "SMP Dcache Flushes\t: %lu\n\n", dcache_invld_count[cpu_num]);
 #endif
 #ifdef __ARCH_SYNC_CORE_ICACHE
-	seq_printf(m, "SMP Icache Flushes\t: %lu\n\n", cpudata->icache_invld_count);
+	seq_printf(m, "SMP Icache Flushes\t: %lu\n\n", icache_invld_count[cpu_num]);
 #endif
 
 	if (cpu_num != num_possible_cpus() - 1)
@@ -1249,8 +1271,8 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	seq_printf(m, "board memory\t: %ld kB (0x%p -> 0x%p)\n",
 		 physical_mem_end >> 10, (void *)0, (void *)physical_mem_end);
 	seq_printf(m, "kernel memory\t: %d kB (0x%p -> 0x%p)\n",
-		((int)memory_end - (int)_stext) >> 10,
-		_stext,
+		((int)memory_end - (int)_rambase) >> 10,
+		(void *)_rambase,
 		(void *)memory_end);
 	seq_printf(m, "\n");
 
diff --git a/arch/blackfin/kernel/signal.c b/arch/blackfin/kernel/signal.c
index e0fd63e9e38a..d536f35d1f43 100644
--- a/arch/blackfin/kernel/signal.c
+++ b/arch/blackfin/kernel/signal.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2004-2009 Analog Devices Inc.
+ * Copyright 2004-2010 Analog Devices Inc.
  *
  * Licensed under the GPL-2 or later
  */
@@ -17,6 +17,7 @@
 #include <asm/cacheflush.h>
 #include <asm/ucontext.h>
 #include <asm/fixed_code.h>
+#include <asm/syscall.h>
 
 #define _BLOCKABLE (~(sigmask(SIGKILL) | sigmask(SIGSTOP)))
 
@@ -50,6 +51,9 @@ rt_restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc, int *p
 	unsigned long usp = 0;
 	int err = 0;
 
+	/* Always make any pending restarted system calls return -EINTR */
+	current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
 #define RESTORE(x) err |= __get_user(regs->x, &sc->sc_##x)
 
 	/* restore passed registers */
@@ -206,16 +210,6 @@ setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t * info,
 	regs->r1 = (unsigned long)(&frame->info);
 	regs->r2 = (unsigned long)(&frame->uc);
 
-	/*
-	 * Clear the trace flag when entering the signal handler, but
-	 * notify any tracer that was single-stepping it. The tracer
-	 * may want to single-step inside the handler too.
-	 */
-	if (regs->syscfg & TRACE_BITS) {
-		regs->syscfg &= ~TRACE_BITS;
-		ptrace_notify(SIGTRAP);
-	}
-
 	return 0;
 
  give_sigsegv:
@@ -247,6 +241,11 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler)
 		regs->r0 = regs->orig_r0;
 		regs->pc -= 2;
 		break;
+
+	case -ERESTART_RESTARTBLOCK:
+		regs->p0 = __NR_restart_syscall;
+		regs->pc -= 2;
+		break;
 	}
 }
 
@@ -315,6 +314,9 @@ asmlinkage void do_signal(struct pt_regs *regs)
 			 * clear the TIF_RESTORE_SIGMASK flag */
 			if (test_thread_flag(TIF_RESTORE_SIGMASK))
 				clear_thread_flag(TIF_RESTORE_SIGMASK);
+
+			tracehook_signal_handler(signr, &info, &ka, regs,
+				test_thread_flag(TIF_SINGLESTEP));
 		}
 
 		return;
diff --git a/arch/blackfin/kernel/time-ts.c b/arch/blackfin/kernel/time-ts.c
index 17c38c5b5b22..cb7a01d4f009 100644
--- a/arch/blackfin/kernel/time-ts.c
+++ b/arch/blackfin/kernel/time-ts.c
@@ -21,6 +21,7 @@
 #include <asm/blackfin.h>
 #include <asm/time.h>
 #include <asm/gptimers.h>
+#include <asm/nmi.h>
 
 /* Accelerators for sched_clock()
  * convert from cycles(64bits) => nanoseconds (64bits)
@@ -50,7 +51,11 @@
 
 static notrace cycle_t bfin_read_cycles(struct clocksource *cs)
 {
+#ifdef CONFIG_CPU_FREQ
 	return __bfin_cycles_off + (get_cycles() << __bfin_cycles_mod);
+#else
+	return get_cycles();
+#endif
 }
 
 static struct clocksource bfin_cs_cycles = {
@@ -132,7 +137,6 @@ static int __init bfin_cs_gptimer0_init(void)
 # define bfin_cs_gptimer0_init()
 #endif
 
-
 #if defined(CONFIG_GPTMR0_CLOCKSOURCE) || defined(CONFIG_CYCLES_CLOCKSOURCE)
 /* prefer to use cycles since it has higher rating */
 notrace unsigned long long sched_clock(void)
@@ -145,47 +149,8 @@ notrace unsigned long long sched_clock(void)
 }
 #endif
 
-#ifdef CONFIG_CORE_TIMER_IRQ_L1
-__attribute__((l1_text))
-#endif
-irqreturn_t timer_interrupt(int irq, void *dev_id);
-
-static int bfin_timer_set_next_event(unsigned long, \
-		struct clock_event_device *);
-
-static void bfin_timer_set_mode(enum clock_event_mode, \
-		struct clock_event_device *);
-
-static struct clock_event_device clockevent_bfin = {
-#if defined(CONFIG_TICKSOURCE_GPTMR0)
-	.name		= "bfin_gptimer0",
-	.rating		= 300,
-	.irq		= IRQ_TIMER0,
-#else
-	.name		= "bfin_core_timer",
-	.rating		= 350,
-	.irq		= IRQ_CORETMR,
-#endif
-	.shift		= 32,
-	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
-	.set_next_event = bfin_timer_set_next_event,
-	.set_mode	= bfin_timer_set_mode,
-};
-
-static struct irqaction bfin_timer_irq = {
-#if defined(CONFIG_TICKSOURCE_GPTMR0)
-	.name		= "Blackfin GPTimer0",
-#else
-	.name		= "Blackfin CoreTimer",
-#endif
-	.flags		= IRQF_DISABLED | IRQF_TIMER | \
-			  IRQF_IRQPOLL | IRQF_PERCPU,
-	.handler	= timer_interrupt,
-	.dev_id		= &clockevent_bfin,
-};
-
 #if defined(CONFIG_TICKSOURCE_GPTMR0)
-static int bfin_timer_set_next_event(unsigned long cycles,
+static int bfin_gptmr0_set_next_event(unsigned long cycles,
                                      struct clock_event_device *evt)
 {
 	disable_gptimers(TIMER0bit);
@@ -196,7 +161,7 @@ static int bfin_timer_set_next_event(unsigned long cycles,
 	return 0;
 }
 
-static void bfin_timer_set_mode(enum clock_event_mode mode,
+static void bfin_gptmr0_set_mode(enum clock_event_mode mode,
 				struct clock_event_device *evt)
 {
 	switch (mode) {
@@ -224,25 +189,65 @@ static void bfin_timer_set_mode(enum clock_event_mode mode,
 	}
 }
 
-static void bfin_timer_ack(void)
+static void bfin_gptmr0_ack(void)
 {
 	set_gptimer_status(TIMER_GROUP1, TIMER_STATUS_TIMIL0);
 }
 
-static void __init bfin_timer_init(void)
+static void __init bfin_gptmr0_init(void)
 {
 	disable_gptimers(TIMER0bit);
 }
 
-static unsigned long  __init bfin_clockevent_check(void)
+#ifdef CONFIG_CORE_TIMER_IRQ_L1
+__attribute__((l1_text))
+#endif
+irqreturn_t bfin_gptmr0_interrupt(int irq, void *dev_id)
 {
-	setup_irq(IRQ_TIMER0, &bfin_timer_irq);
-	return get_sclk();
+	struct clock_event_device *evt = dev_id;
+	smp_mb();
+	evt->event_handler(evt);
+	bfin_gptmr0_ack();
+	return IRQ_HANDLED;
 }
 
-#else /* CONFIG_TICKSOURCE_CORETMR */
+static struct irqaction gptmr0_irq = {
+	.name		= "Blackfin GPTimer0",
+	.flags		= IRQF_DISABLED | IRQF_TIMER | \
+			  IRQF_IRQPOLL | IRQF_PERCPU,
+	.handler	= bfin_gptmr0_interrupt,
+};
 
-static int bfin_timer_set_next_event(unsigned long cycles,
+static struct clock_event_device clockevent_gptmr0 = {
+	.name		= "bfin_gptimer0",
+	.rating		= 300,
+	.irq		= IRQ_TIMER0,
+	.shift		= 32,
+	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+	.set_next_event = bfin_gptmr0_set_next_event,
+	.set_mode	= bfin_gptmr0_set_mode,
+};
+
+static void __init bfin_gptmr0_clockevent_init(struct clock_event_device *evt)
+{
+	unsigned long clock_tick;
+
+	clock_tick = get_sclk();
+	evt->mult = div_sc(clock_tick, NSEC_PER_SEC, evt->shift);
+	evt->max_delta_ns = clockevent_delta2ns(-1, evt);
+	evt->min_delta_ns = clockevent_delta2ns(100, evt);
+
+	evt->cpumask = cpumask_of(0);
+
+	clockevents_register_device(evt);
+}
+#endif /* CONFIG_TICKSOURCE_GPTMR0 */
+
+#if defined(CONFIG_TICKSOURCE_CORETMR)
+/* per-cpu local core timer */
+static DEFINE_PER_CPU(struct clock_event_device, coretmr_events);
+
+static int bfin_coretmr_set_next_event(unsigned long cycles,
 				struct clock_event_device *evt)
 {
 	bfin_write_TCNTL(TMPWR);
@@ -253,7 +258,7 @@ static int bfin_timer_set_next_event(unsigned long cycles,
 	return 0;
 }
 
-static void bfin_timer_set_mode(enum clock_event_mode mode,
+static void bfin_coretmr_set_mode(enum clock_event_mode mode,
 				struct clock_event_device *evt)
 {
 	switch (mode) {
@@ -285,19 +290,13 @@ static void bfin_timer_set_mode(enum clock_event_mode mode,
 	}
 }
 
-static void bfin_timer_ack(void)
-{
-}
-
-static void __init bfin_timer_init(void)
+void bfin_coretmr_init(void)
 {
 	/* power up the timer, but don't enable it just yet */
 	bfin_write_TCNTL(TMPWR);
 	CSYNC();
 
-	/*
-	 * the TSCALE prescaler counter.
-	 */
+	/* the TSCALE prescaler counter. */
 	bfin_write_TSCALE(TIME_SCALE - 1);
 	bfin_write_TPERIOD(0);
 	bfin_write_TCOUNT(0);
@@ -305,48 +304,54 @@ static void __init bfin_timer_init(void)
 	CSYNC();
 }
 
-static unsigned long  __init bfin_clockevent_check(void)
-{
-	setup_irq(IRQ_CORETMR, &bfin_timer_irq);
-	return get_cclk() / TIME_SCALE;
-}
-
-void __init setup_core_timer(void)
+#ifdef CONFIG_CORE_TIMER_IRQ_L1
+__attribute__((l1_text))
+#endif
+irqreturn_t bfin_coretmr_interrupt(int irq, void *dev_id)
 {
-	bfin_timer_init();
-	bfin_timer_set_mode(CLOCK_EVT_MODE_PERIODIC, NULL);
-}
-#endif /* CONFIG_TICKSOURCE_GPTMR0 */
+	int cpu = smp_processor_id();
+	struct clock_event_device *evt = &per_cpu(coretmr_events, cpu);
 
-/*
- * timer_interrupt() needs to keep up the real-time clock,
- * as well as call the "do_timer()" routine every clocktick
- */
-irqreturn_t timer_interrupt(int irq, void *dev_id)
-{
-	struct clock_event_device *evt = dev_id;
 	smp_mb();
 	evt->event_handler(evt);
-	bfin_timer_ack();
-	return IRQ_HANDLED;
-}
-
-static int __init bfin_clockevent_init(void)
-{
-	unsigned long timer_clk;
 
-	timer_clk = bfin_clockevent_check();
+	touch_nmi_watchdog();
 
-	bfin_timer_init();
+	return IRQ_HANDLED;
+}
 
-	clockevent_bfin.mult = div_sc(timer_clk, NSEC_PER_SEC, clockevent_bfin.shift);
-	clockevent_bfin.max_delta_ns = clockevent_delta2ns(-1, &clockevent_bfin);
-	clockevent_bfin.min_delta_ns = clockevent_delta2ns(100, &clockevent_bfin);
-	clockevent_bfin.cpumask = cpumask_of(0);
-	clockevents_register_device(&clockevent_bfin);
+static struct irqaction coretmr_irq = {
+	.name		= "Blackfin CoreTimer",
+	.flags		= IRQF_DISABLED | IRQF_TIMER | \
+			  IRQF_IRQPOLL | IRQF_PERCPU,
+	.handler	= bfin_coretmr_interrupt,
+};
 
-	return 0;
+void bfin_coretmr_clockevent_init(void)
+{
+	unsigned long clock_tick;
+	unsigned int cpu = smp_processor_id();
+	struct clock_event_device *evt = &per_cpu(coretmr_events, cpu);
+
+	evt->name = "bfin_core_timer";
+	evt->rating = 350;
+	evt->irq = -1;
+	evt->shift = 32;
+	evt->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
+	evt->set_next_event = bfin_coretmr_set_next_event;
+	evt->set_mode = bfin_coretmr_set_mode;
+
+	clock_tick = get_cclk() / TIME_SCALE;
+	evt->mult = div_sc(clock_tick, NSEC_PER_SEC, evt->shift);
+	evt->max_delta_ns = clockevent_delta2ns(-1, evt);
+	evt->min_delta_ns = clockevent_delta2ns(100, evt);
+
+	evt->cpumask = cpumask_of(cpu);
+
+	clockevents_register_device(evt);
 }
+#endif /* CONFIG_TICKSOURCE_CORETMR */
+
 
 void __init time_init(void)
 {
@@ -370,5 +375,21 @@ void __init time_init(void)
 
 	bfin_cs_cycles_init();
 	bfin_cs_gptimer0_init();
-	bfin_clockevent_init();
+
+#if defined(CONFIG_TICKSOURCE_CORETMR)
+	bfin_coretmr_init();
+	setup_irq(IRQ_CORETMR, &coretmr_irq);
+	bfin_coretmr_clockevent_init();
+#endif
+
+#if defined(CONFIG_TICKSOURCE_GPTMR0)
+	bfin_gptmr0_init();
+	setup_irq(IRQ_TIMER0, &gptmr0_irq);
+	gptmr0_irq.dev_id = &clockevent_gptmr0;
+	bfin_gptmr0_clockevent_init(&clockevent_gptmr0);
+#endif
+
+#if !defined(CONFIG_TICKSOURCE_CORETMR) && !defined(CONFIG_TICKSOURCE_GPTMR0)
+# error at least one clock event device is required
+#endif
 }
diff --git a/arch/blackfin/kernel/traps.c b/arch/blackfin/kernel/traps.c
index d3cbcd6bd985..ba70c4bc2699 100644
--- a/arch/blackfin/kernel/traps.c
+++ b/arch/blackfin/kernel/traps.c
@@ -138,6 +138,12 @@ static void decode_address(char *buf, unsigned long address)
 		if (!mm)
 			continue;
 
+		if (!down_read_trylock(&mm->mmap_sem)) {
+			if (!in_atomic)
+				mmput(mm);
+			continue;
+		}
+
 		for (n = rb_first(&mm->mm_rb); n; n = rb_next(n)) {
 			struct vm_area_struct *vma;
 
@@ -177,6 +183,7 @@ static void decode_address(char *buf, unsigned long address)
 					sprintf(buf, "[ %s vma:0x%lx-0x%lx]",
 						name, vma->vm_start, vma->vm_end);
 
+				up_read(&mm->mmap_sem);
 				if (!in_atomic)
 					mmput(mm);
 
@@ -186,11 +193,16 @@ static void decode_address(char *buf, unsigned long address)
 				goto done;
 			}
 		}
+
+		up_read(&mm->mmap_sem);
 		if (!in_atomic)
 			mmput(mm);
 	}
 
-	/* we were unable to find this address anywhere */
+	/*
+	 * we were unable to find this address anywhere,
+	 * or some MMs were skipped because they were in use.
+	 */
 	sprintf(buf, "/* kernel dynamic memory */");
 
 done:
@@ -248,9 +260,7 @@ asmlinkage notrace void trap_c(struct pt_regs *fp)
 #ifdef CONFIG_DEBUG_BFIN_HWTRACE_ON
 	int j;
 #endif
-#ifdef CONFIG_DEBUG_HUNT_FOR_ZERO
 	unsigned int cpu = raw_smp_processor_id();
-#endif
 	const char *strerror = NULL;
 	int sig = 0;
 	siginfo_t info;
@@ -639,7 +649,17 @@ asmlinkage notrace void trap_c(struct pt_regs *fp)
 	{
 		info.si_signo = sig;
 		info.si_errno = 0;
-		info.si_addr = (void __user *)fp->pc;
+		switch (trapnr) {
+		case VEC_CPLB_VL:
+		case VEC_MISALI_D:
+		case VEC_CPLB_M:
+		case VEC_CPLB_MHIT:
+			info.si_addr = (void __user *)cpu_pda[cpu].dcplb_fault_addr;
+			break;
+		default:
+			info.si_addr = (void __user *)fp->pc;
+			break;
+		}
 		force_sig_info(sig, &info, current);
 	}
 
@@ -712,7 +732,7 @@ static void decode_instruction(unsigned short *address)
 			verbose_printk("RTE");
 		else if (opcode == 0x0025)
 			verbose_printk("EMUEXCPT");
-		else if (opcode == 0x0040 && opcode <= 0x0047)
+		else if (opcode >= 0x0040 && opcode <= 0x0047)
 			verbose_printk("STI R%i", opcode & 7);
 		else if (opcode >= 0x0050 && opcode <= 0x0057)
 			verbose_printk("JUMP (P%i)", opcode & 7);
@@ -1096,7 +1116,7 @@ void dump_bfin_mem(struct pt_regs *fp)
 			/* And the last RETI points to the current userspace context */
 			if ((fp + 1)->pc >= current->mm->start_code &&
 			    (fp + 1)->pc <= current->mm->end_code) {
-				verbose_printk(KERN_NOTICE "It might be better to look around here : \n");
+				verbose_printk(KERN_NOTICE "It might be better to look around here :\n");
 				verbose_printk(KERN_NOTICE "-------------------------------------------\n");
 				show_regs(fp + 1);
 				verbose_printk(KERN_NOTICE "-------------------------------------------\n");
diff --git a/arch/blackfin/kernel/vmlinux.lds.S b/arch/blackfin/kernel/vmlinux.lds.S
index 66799e763dc9..984c78172397 100644
--- a/arch/blackfin/kernel/vmlinux.lds.S
+++ b/arch/blackfin/kernel/vmlinux.lds.S
@@ -15,7 +15,12 @@ _jiffies = _jiffies_64;
 
 SECTIONS
 {
+#ifdef CONFIG_RAMKERNEL
 	. = CONFIG_BOOT_LOAD;
+#else
+	. = CONFIG_ROM_BASE;
+#endif
+
 	/* Neither the text, ro_data or bss section need to be aligned
 	 * So pack them back to back
 	 */
@@ -31,6 +36,12 @@ SECTIONS
 		LOCK_TEXT
 		IRQENTRY_TEXT
 		KPROBES_TEXT
+#ifdef CONFIG_ROMKERNEL
+		__sinittext = .;
+		INIT_TEXT
+		__einittext = .;
+		EXIT_TEXT
+#endif
 		*(.text.*)
 		*(.fixup)
 
@@ -50,8 +61,14 @@ SECTIONS
 
 	/* Just in case the first read only is a 32-bit access */
 	RO_DATA(4)
+	__rodata_end = .;
 
+#ifdef CONFIG_ROMKERNEL
+	. = CONFIG_BOOT_LOAD;
+	.bss : AT(__rodata_end)
+#else
 	.bss :
+#endif
 	{
 		. = ALIGN(4);
 		___bss_start = .;
@@ -67,7 +84,11 @@ SECTIONS
 		___bss_stop = .;
 	}
 
+#if defined(CONFIG_ROMKERNEL)
+	.data : AT(LOADADDR(.bss) + SIZEOF(.bss))
+#else
 	.data :
+#endif
 	{
 		__sdata = .;
 		/* This gets done first, so the glob doesn't suck it in */
@@ -94,6 +115,8 @@ SECTIONS
 
 		__edata = .;
 	}
+	__data_lma = LOADADDR(.data);
+	__data_len = SIZEOF(.data);
 
 	/* The init section should be last, so when we free it, it goes into
 	 * the general memory pool, and (hopefully) will decrease fragmentation
@@ -103,25 +126,58 @@ SECTIONS
 	. = ALIGN(PAGE_SIZE);
 	___init_begin = .;
 
+#ifdef CONFIG_RAMKERNEL
 	INIT_TEXT_SECTION(PAGE_SIZE)
-	. = ALIGN(16);
-	INIT_DATA_SECTION(16)
-	PERCPU(4)
 
-	/* we have to discard exit text and such at runtime, not link time, to
+	/* We have to discard exit text and such at runtime, not link time, to
 	 * handle embedded cross-section references (alt instructions, bug
-	 * table, eh_frame, etc...)
+	 * table, eh_frame, etc...).  We need all of our .text up front and
+	 * .data after it for PCREL call issues.
 	 */
 	.exit.text :
 	{
 		EXIT_TEXT
 	}
+
+	. = ALIGN(16);
+	INIT_DATA_SECTION(16)
+	PERCPU(4)
+
 	.exit.data :
 	{
 		EXIT_DATA
 	}
 
 	.text_l1 L1_CODE_START : AT(LOADADDR(.exit.data) + SIZEOF(.exit.data))
+#else
+	.init.data : AT(__data_lma + __data_len)
+	{
+		__sinitdata = .;
+		INIT_DATA
+		INIT_SETUP(16)
+		INIT_CALLS
+		CON_INITCALL
+		SECURITY_INITCALL
+		INIT_RAM_FS
+
+		. = ALIGN(4);
+		___per_cpu_load = .;
+		___per_cpu_start = .;
+		*(.data.percpu.first)
+		*(.data.percpu.page_aligned)
+		*(.data.percpu)
+		*(.data.percpu.shared_aligned)
+		___per_cpu_end = .;
+
+		EXIT_DATA
+		__einitdata = .;
+	}
+	__init_data_lma = LOADADDR(.init.data);
+	__init_data_len = SIZEOF(.init.data);
+	__init_data_end = .;
+
+	.text_l1 L1_CODE_START : AT(__init_data_lma + __init_data_len)
+#endif
 	{
 		. = ALIGN(4);
 		__stext_l1 = .;
@@ -202,7 +258,11 @@ SECTIONS
 	/* Force trailing alignment of our init section so that when we
 	 * free our init memory, we don't leave behind a partial page.
 	 */
+#ifdef CONFIG_RAMKERNEL
 	. = __l2_lma + __l2_len;
+#else
+	. = __init_data_end;
+#endif
 	. = ALIGN(PAGE_SIZE);
 	___init_end = .;
 
diff --git a/arch/blackfin/mach-bf518/boards/Kconfig b/arch/blackfin/mach-bf518/boards/Kconfig
index 96163514ed22..252261ec04c4 100644
--- a/arch/blackfin/mach-bf518/boards/Kconfig
+++ b/arch/blackfin/mach-bf518/boards/Kconfig
@@ -9,4 +9,9 @@ config BFIN518F_EZBRD
 	help
 	  BF518-EZBRD board support.
 
+config BFIN518F_TCM
+       bool "Bluetechnix TCM-BF518"
+       help
+         Bluetechnix TCM-BF518 board support.
+
 endchoice
diff --git a/arch/blackfin/mach-bf518/boards/Makefile b/arch/blackfin/mach-bf518/boards/Makefile
index 172e859c3a7f..a9ef25c6b302 100644
--- a/arch/blackfin/mach-bf518/boards/Makefile
+++ b/arch/blackfin/mach-bf518/boards/Makefile
@@ -3,3 +3,4 @@
 #
 
 obj-$(CONFIG_BFIN518F_EZBRD)            += ezbrd.o
+obj-$(CONFIG_BFIN518F_TCM)		+= tcm-bf518.o
diff --git a/arch/blackfin/mach-bf518/boards/ezbrd.c b/arch/blackfin/mach-bf518/boards/ezbrd.c
index 01975c017116..44d6d5299022 100644
--- a/arch/blackfin/mach-bf518/boards/ezbrd.c
+++ b/arch/blackfin/mach-bf518/boards/ezbrd.c
@@ -382,30 +382,93 @@ static struct platform_device bfin_spi1_device = {
 #endif  /* spi master and devices */
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
 #ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
 	{
-		.start = 0xFFC02000,
-		.end = 0xFFC020FF,
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
-#endif
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
 };
 
-static struct platform_device bfin_uart_device = {
+static struct platform_device bfin_uart1_device = {
 	.name = "bfin-uart",
 	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -499,16 +562,75 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 };
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
 static struct platform_device bfin_sport0_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
 };
 
 static struct platform_device bfin_sport1_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 #include <linux/input.h>
@@ -593,7 +715,12 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -610,9 +737,13 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 	&bfin_sport1_uart_device,
 #endif
+#endif
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 	&bfin_device_gpiokeys,
@@ -644,6 +775,33 @@ static int __init ezbrd_init(void)
 
 arch_initcall(ezbrd_init);
 
+static struct platform_device *ezbrd_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(ezbrd_early_devices,
+		ARRAY_SIZE(ezbrd_early_devices));
+}
+
 void native_machine_restart(char *cmd)
 {
 	/* workaround reboot hang when booting from SPI */
diff --git a/arch/blackfin/mach-bf518/boards/tcm-bf518.c b/arch/blackfin/mach-bf518/boards/tcm-bf518.c
new file mode 100644
index 000000000000..9b72e5cb21fe
--- /dev/null
+++ b/arch/blackfin/mach-bf518/boards/tcm-bf518.c
@@ -0,0 +1,753 @@
+/*
+ * Copyright 2004-2009 Analog Devices Inc.
+ *                2005 National ICT Australia (NICTA)
+ *                      Aidan Williams <aidan@nicta.com.au>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/device.h>
+#include <linux/etherdevice.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/flash.h>
+
+#include <linux/i2c.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <asm/dma.h>
+#include <asm/bfin5xx_spi.h>
+#include <asm/reboot.h>
+#include <asm/portmux.h>
+#include <asm/dpmc.h>
+#include <asm/bfin_sdh.h>
+#include <linux/spi/ad7877.h>
+#include <net/dsa.h>
+
+/*
+ * Name the Board for the /proc/cpuinfo
+ */
+const char bfin_board_name[] = "Bluetechnix TCM-BF518";
+
+/*
+ *  Driver needs to know address, irq and flag pin.
+ */
+
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+static struct mtd_partition tcm_partitions[] = {
+	{
+		.name       = "bootloader(nor)",
+		.size       = 0x40000,
+		.offset     = 0,
+	},
+	{
+		.name       = "linux(nor)",
+		.size       = 0x1C0000,
+		.offset     = MTDPART_OFS_APPEND,
+	}
+};
+
+static struct physmap_flash_data tcm_flash_data = {
+	.width      = 2,
+	.parts      = tcm_partitions,
+	.nr_parts   = ARRAY_SIZE(tcm_partitions),
+};
+
+static struct resource tcm_flash_resource = {
+	.start = 0x20000000,
+	.end   = 0x201fffff,
+	.flags = IORESOURCE_MEM,
+};
+
+static struct platform_device tcm_flash_device = {
+	.name          = "physmap-flash",
+	.id            = 0,
+	.dev = {
+		.platform_data = &tcm_flash_data,
+	},
+	.num_resources = 1,
+	.resource      = &tcm_flash_resource,
+};
+#endif
+
+#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
+static struct platform_device rtc_device = {
+	.name = "rtc-bfin",
+	.id   = -1,
+};
+#endif
+
+#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+static struct platform_device bfin_mii_bus = {
+	.name = "bfin_mii_bus",
+};
+
+static struct platform_device bfin_mac_device = {
+	.name = "bfin_mac",
+	.dev.platform_data = &bfin_mii_bus,
+};
+#endif
+
+#if defined(CONFIG_MTD_M25P80) \
+	|| defined(CONFIG_MTD_M25P80_MODULE)
+static struct mtd_partition bfin_spi_flash_partitions[] = {
+	{
+		.name = "bootloader(spi)",
+		.size = 0x00040000,
+		.offset = 0,
+		.mask_flags = MTD_CAP_ROM
+	}, {
+		.name = "linux kernel(spi)",
+		.size = MTDPART_SIZ_FULL,
+		.offset = MTDPART_OFS_APPEND,
+	}
+};
+
+static struct flash_platform_data bfin_spi_flash_data = {
+	.name = "m25p80",
+	.parts = bfin_spi_flash_partitions,
+	.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
+	.type = "m25p16",
+};
+
+/* SPI flash chip (m25p64) */
+static struct bfin5xx_spi_chip spi_flash_chip_info = {
+	.enable_dma = 0,         /* use dma transfer with this chip*/
+	.bits_per_word = 8,
+};
+#endif
+
+#if defined(CONFIG_BFIN_SPI_ADC) \
+	|| defined(CONFIG_BFIN_SPI_ADC_MODULE)
+/* SPI ADC chip */
+static struct bfin5xx_spi_chip spi_adc_chip_info = {
+	.enable_dma = 1,         /* use dma transfer with this chip*/
+	.bits_per_word = 16,
+};
+#endif
+
+#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
+static struct bfin5xx_spi_chip mmc_spi_chip_info = {
+	.enable_dma = 0,
+	.bits_per_word = 8,
+};
+#endif
+
+#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
+static struct bfin5xx_spi_chip spi_ad7877_chip_info = {
+	.enable_dma = 0,
+	.bits_per_word = 16,
+};
+
+static const struct ad7877_platform_data bfin_ad7877_ts_info = {
+	.model			= 7877,
+	.vref_delay_usecs	= 50,	/* internal, no capacitor */
+	.x_plate_ohms		= 419,
+	.y_plate_ohms		= 486,
+	.pressure_max		= 1000,
+	.pressure_min		= 0,
+	.stopacq_polarity	= 1,
+	.first_conversion_delay	= 3,
+	.acquisition_time	= 1,
+	.averaging		= 1,
+	.pen_down_acc_interval	= 1,
+};
+#endif
+
+#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
+	 && defined(CONFIG_SND_SOC_WM8731_SPI)
+static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
+	.enable_dma = 0,
+	.bits_per_word = 16,
+};
+#endif
+
+#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
+static struct bfin5xx_spi_chip spidev_chip_info = {
+	.enable_dma = 0,
+	.bits_per_word = 8,
+};
+#endif
+
+static struct spi_board_info bfin_spi_board_info[] __initdata = {
+#if defined(CONFIG_MTD_M25P80) \
+	|| defined(CONFIG_MTD_M25P80_MODULE)
+	{
+		/* the modalias must be the same as spi device driver name */
+		.modalias = "m25p80", /* Name of spi_driver for this device */
+		.max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
+		.bus_num = 0, /* Framework bus number */
+		.chip_select = 2, /* SPI0_SSEL2 */
+		.platform_data = &bfin_spi_flash_data,
+		.controller_data = &spi_flash_chip_info,
+		.mode = SPI_MODE_3,
+	},
+#endif
+
+#if defined(CONFIG_BFIN_SPI_ADC) \
+	|| defined(CONFIG_BFIN_SPI_ADC_MODULE)
+	{
+		.modalias = "bfin_spi_adc", /* Name of spi_driver for this device */
+		.max_speed_hz = 6250000,     /* max spi clock (SCK) speed in HZ */
+		.bus_num = 0, /* Framework bus number */
+		.chip_select = 1, /* Framework chip select. */
+		.platform_data = NULL, /* No spi_driver specific config */
+		.controller_data = &spi_adc_chip_info,
+	},
+#endif
+
+#if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
+	{
+		.modalias = "mmc_spi",
+		.max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
+		.bus_num = 0,
+		.chip_select = 5,
+		.controller_data = &mmc_spi_chip_info,
+		.mode = SPI_MODE_3,
+	},
+#endif
+#if defined(CONFIG_TOUCHSCREEN_AD7877) || defined(CONFIG_TOUCHSCREEN_AD7877_MODULE)
+	{
+		.modalias		= "ad7877",
+		.platform_data		= &bfin_ad7877_ts_info,
+		.irq			= IRQ_PF8,
+		.max_speed_hz	= 12500000,     /* max spi clock (SCK) speed in HZ */
+		.bus_num	= 0,
+		.chip_select  = 2,
+		.controller_data = &spi_ad7877_chip_info,
+	},
+#endif
+#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
+	 && defined(CONFIG_SND_SOC_WM8731_SPI)
+	{
+		.modalias	= "wm8731",
+		.max_speed_hz	= 3125000,     /* max spi clock (SCK) speed in HZ */
+		.bus_num	= 0,
+		.chip_select    = 5,
+		.controller_data = &spi_wm8731_chip_info,
+		.mode = SPI_MODE_0,
+	},
+#endif
+#if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
+	{
+		.modalias = "spidev",
+		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
+		.bus_num = 0,
+		.chip_select = 1,
+		.controller_data = &spidev_chip_info,
+	},
+#endif
+#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
+	{
+		.modalias = "bfin-lq035q1-spi",
+		.max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
+		.bus_num = 0,
+		.chip_select = 1,
+		.controller_data = &lq035q1_spi_chip_info,
+		.mode = SPI_CPHA | SPI_CPOL,
+	},
+#endif
+};
+
+/* SPI controller data */
+#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
+/* SPI (0) */
+static struct bfin5xx_spi_master bfin_spi0_info = {
+	.num_chipselect = 6,
+	.enable_dma = 1,  /* master has the ability to do dma transfer */
+	.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
+};
+
+static struct resource bfin_spi0_resource[] = {
+	[0] = {
+		.start = SPI0_REGBASE,
+		.end   = SPI0_REGBASE + 0xFF,
+		.flags = IORESOURCE_MEM,
+		},
+	[1] = {
+		.start = CH_SPI0,
+		.end   = CH_SPI0,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = IRQ_SPI0,
+		.end   = IRQ_SPI0,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device bfin_spi0_device = {
+	.name = "bfin-spi",
+	.id = 0, /* Bus number */
+	.num_resources = ARRAY_SIZE(bfin_spi0_resource),
+	.resource = bfin_spi0_resource,
+	.dev = {
+		.platform_data = &bfin_spi0_info, /* Passed to driver */
+	},
+};
+
+/* SPI (1) */
+static struct bfin5xx_spi_master bfin_spi1_info = {
+	.num_chipselect = 5,
+	.enable_dma = 1,  /* master has the ability to do dma transfer */
+	.pin_req = {P_SPI1_SCK, P_SPI1_MISO, P_SPI1_MOSI, 0},
+};
+
+static struct resource bfin_spi1_resource[] = {
+	[0] = {
+		.start = SPI1_REGBASE,
+		.end   = SPI1_REGBASE + 0xFF,
+		.flags = IORESOURCE_MEM,
+		},
+	[1] = {
+		.start = CH_SPI1,
+		.end   = CH_SPI1,
+		.flags = IORESOURCE_DMA,
+	},
+	[2] = {
+		.start = IRQ_SPI1,
+		.end   = IRQ_SPI1,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device bfin_spi1_device = {
+	.name = "bfin-spi",
+	.id = 1, /* Bus number */
+	.num_resources = ARRAY_SIZE(bfin_spi1_resource),
+	.resource = bfin_spi1_resource,
+	.dev = {
+		.platform_data = &bfin_spi1_info, /* Passed to driver */
+	},
+};
+#endif  /* spi master and devices */
+
+#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
+	{
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
+	{
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
+};
+
+static struct platform_device bfin_uart1_device = {
+	.name = "bfin-uart",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#endif
+
+#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
+#ifdef CONFIG_BFIN_SIR0
+static struct resource bfin_sir0_resources[] = {
+	{
+		.start = 0xFFC00400,
+		.end = 0xFFC004FF,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX+1,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static struct platform_device bfin_sir0_device = {
+	.name = "bfin_sir",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sir0_resources),
+	.resource = bfin_sir0_resources,
+};
+#endif
+#ifdef CONFIG_BFIN_SIR1
+static struct resource bfin_sir1_resources[] = {
+	{
+		.start = 0xFFC02000,
+		.end = 0xFFC020FF,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX+1,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+static struct platform_device bfin_sir1_device = {
+	.name = "bfin_sir",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sir1_resources),
+	.resource = bfin_sir1_resources,
+};
+#endif
+#endif
+
+#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
+static struct resource bfin_twi0_resource[] = {
+	[0] = {
+		.start = TWI0_REGBASE,
+		.end   = TWI0_REGBASE,
+		.flags = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start = IRQ_TWI,
+		.end   = IRQ_TWI,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device i2c_bfin_twi_device = {
+	.name = "i2c-bfin-twi",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_twi0_resource),
+	.resource = bfin_twi0_resource,
+};
+#endif
+
+static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
+#if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
+	{
+		I2C_BOARD_INFO("pcf8574_lcd", 0x22),
+	},
+#endif
+#if defined(CONFIG_INPUT_PCF8574) || defined(CONFIG_INPUT_PCF8574_MODULE)
+	{
+		I2C_BOARD_INFO("pcf8574_keypad", 0x27),
+		.irq = IRQ_PF8,
+	},
+#endif
+};
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
+static struct platform_device bfin_sport0_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
+};
+
+static struct platform_device bfin_sport1_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#endif
+
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+
+static struct gpio_keys_button bfin_gpio_keys_table[] = {
+	{BTN_0, GPIO_PG0, 1, "gpio-keys: BTN0"},
+	{BTN_1, GPIO_PG13, 1, "gpio-keys: BTN1"},
+};
+
+static struct gpio_keys_platform_data bfin_gpio_keys_data = {
+	.buttons        = bfin_gpio_keys_table,
+	.nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
+};
+
+static struct platform_device bfin_device_gpiokeys = {
+	.name      = "gpio-keys",
+	.dev = {
+		.platform_data = &bfin_gpio_keys_data,
+	},
+};
+#endif
+
+#if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
+
+static struct bfin_sd_host bfin_sdh_data = {
+	.dma_chan = CH_RSI,
+	.irq_int0 = IRQ_RSI_INT0,
+	.pin_req = {P_RSI_DATA0, P_RSI_DATA1, P_RSI_DATA2, P_RSI_DATA3, P_RSI_CMD, P_RSI_CLK, 0},
+};
+
+static struct platform_device bf51x_sdh_device = {
+	.name = "bfin-sdh",
+	.id = 0,
+	.dev = {
+		.platform_data = &bfin_sdh_data,
+	},
+};
+#endif
+
+static const unsigned int cclk_vlev_datasheet[] =
+{
+	VRPAIR(VLEV_100, 400000000),
+	VRPAIR(VLEV_105, 426000000),
+	VRPAIR(VLEV_110, 500000000),
+	VRPAIR(VLEV_115, 533000000),
+	VRPAIR(VLEV_120, 600000000),
+};
+
+static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
+	.tuple_tab = cclk_vlev_datasheet,
+	.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
+	.vr_settling_time = 25 /* us */,
+};
+
+static struct platform_device bfin_dpmc = {
+	.name = "bfin dpmc",
+	.dev = {
+		.platform_data = &bfin_dmpc_vreg_data,
+	},
+};
+
+static struct platform_device *tcm_devices[] __initdata = {
+
+	&bfin_dpmc,
+
+#if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
+	&rtc_device,
+#endif
+
+#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+	&bfin_mii_bus,
+	&bfin_mac_device,
+#endif
+
+#if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
+	&bfin_spi0_device,
+	&bfin_spi1_device,
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
+#ifdef CONFIG_BFIN_SIR0
+	&bfin_sir0_device,
+#endif
+#ifdef CONFIG_BFIN_SIR1
+	&bfin_sir1_device,
+#endif
+#endif
+
+#if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
+	&i2c_bfin_twi_device,
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+	&bfin_device_gpiokeys,
+#endif
+
+#if defined(CONFIG_SDH_BFIN) || defined(CONFIG_SDH_BFIN_MODULE)
+	&bf51x_sdh_device,
+#endif
+
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+	&tcm_flash_device,
+#endif
+};
+
+static int __init tcm_init(void)
+{
+	printk(KERN_INFO "%s(): registering device resources\n", __func__);
+	i2c_register_board_info(0, bfin_i2c_board_info,
+				ARRAY_SIZE(bfin_i2c_board_info));
+	platform_add_devices(tcm_devices, ARRAY_SIZE(tcm_devices));
+	spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
+	return 0;
+}
+
+arch_initcall(tcm_init);
+
+static struct platform_device *tcm_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(tcm_early_devices,
+		ARRAY_SIZE(tcm_early_devices));
+}
+
+void native_machine_restart(char *cmd)
+{
+	/* workaround reboot hang when booting from SPI */
+	if ((bfin_read_SYSCR() & 0x7) == 0x3)
+		bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS);
+}
+
+void bfin_get_ether_addr(char *addr)
+{
+	random_ether_addr(addr);
+	printk(KERN_WARNING "%s:%s: Setting Ethernet MAC to a random one\n", __FILE__, __func__);
+}
+EXPORT_SYMBOL(bfin_get_ether_addr);
diff --git a/arch/blackfin/mach-bf518/include/mach/irq.h b/arch/blackfin/mach-bf518/include/mach/irq.h
index 14e52ec7afa5..435e76e31aaa 100644
--- a/arch/blackfin/mach-bf518/include/mach/irq.h
+++ b/arch/blackfin/mach-bf518/include/mach/irq.h
@@ -151,7 +151,17 @@
 
 #define GPIO_IRQ_BASE	IRQ_PF0
 
-#define NR_IRQS     (IRQ_PH15 + 1)
+#define IRQ_MAC_PHYINT		119 /* PHY_INT Interrupt */
+#define IRQ_MAC_MMCINT		120 /* MMC Counter Interrupt */
+#define IRQ_MAC_RXFSINT		121 /* RX Frame-Status Interrupt */
+#define IRQ_MAC_TXFSINT		122 /* TX Frame-Status Interrupt */
+#define IRQ_MAC_WAKEDET		123 /* Wake-Up Interrupt */
+#define IRQ_MAC_RXDMAERR	124 /* RX DMA Direction Error Interrupt */
+#define IRQ_MAC_TXDMAERR	125 /* TX DMA Direction Error Interrupt */
+#define IRQ_MAC_STMDONE		126 /* Station Mgt. Transfer Done Interrupt */
+
+#define NR_MACH_IRQS	(IRQ_MAC_STMDONE + 1)
+#define NR_IRQS		(NR_MACH_IRQS + NR_SPARE_IRQS)
 
 #define IVG7            7
 #define IVG8            8
diff --git a/arch/blackfin/mach-bf518/include/mach/mem_map.h b/arch/blackfin/mach-bf518/include/mach/mem_map.h
index 3c6777cb3532..073b5d73d391 100644
--- a/arch/blackfin/mach-bf518/include/mach/mem_map.h
+++ b/arch/blackfin/mach-bf518/include/mach/mem_map.h
@@ -41,7 +41,7 @@
 #define L1_DATA_A_START		0xFF800000
 #define L1_DATA_B_START		0xFF900000
 
-#define L1_CODE_LENGTH		0xC000
+#define L1_CODE_LENGTH		0x8000
 
 #ifdef CONFIG_BFIN_DCACHE
 
diff --git a/arch/blackfin/mach-bf527/boards/Kconfig b/arch/blackfin/mach-bf527/boards/Kconfig
index df224d04e167..b14c28810a44 100644
--- a/arch/blackfin/mach-bf527/boards/Kconfig
+++ b/arch/blackfin/mach-bf527/boards/Kconfig
@@ -9,6 +9,11 @@ config BFIN527_EZKIT
 	help
 	  BF527-EZKIT-LITE board support.
 
+config BFIN527_EZKIT_V2
+	bool "BF527-EZKIT-V2"
+	help
+	  BF527-EZKIT-LITE V2.1+ board support.
+
 config BFIN527_BLUETECHNIX_CM
 	bool "Bluetechnix CM-BF527"
 	help
diff --git a/arch/blackfin/mach-bf527/boards/Makefile b/arch/blackfin/mach-bf527/boards/Makefile
index eb6ed3362f9f..51a5817c4a90 100644
--- a/arch/blackfin/mach-bf527/boards/Makefile
+++ b/arch/blackfin/mach-bf527/boards/Makefile
@@ -3,5 +3,6 @@
 #
 
 obj-$(CONFIG_BFIN527_EZKIT)            += ezkit.o
+obj-$(CONFIG_BFIN527_EZKIT_V2)         += ezkit.o
 obj-$(CONFIG_BFIN527_BLUETECHNIX_CM)   += cm_bf527.o
 obj-$(CONFIG_BFIN526_EZBRD)            += ezbrd.o
diff --git a/arch/blackfin/mach-bf527/boards/cm_bf527.c b/arch/blackfin/mach-bf527/boards/cm_bf527.c
index 7ab0800e2914..ebe76d1e874a 100644
--- a/arch/blackfin/mach-bf527/boards/cm_bf527.c
+++ b/arch/blackfin/mach-bf527/boards/cm_bf527.c
@@ -18,7 +18,6 @@
 #include <linux/i2c.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
-#include <linux/usb/sl811.h>
 #include <linux/usb/musb.h>
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
@@ -270,50 +269,6 @@ static struct platform_device dm9000_device = {
 };
 #endif
 
-#if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
-static struct resource sl811_hcd_resources[] = {
-	{
-		.start = 0x20340000,
-		.end = 0x20340000,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = 0x20340004,
-		.end = 0x20340004,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = CONFIG_USB_SL811_BFIN_IRQ,
-		.end = CONFIG_USB_SL811_BFIN_IRQ,
-		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
-	},
-};
-
-#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
-void sl811_port_power(struct device *dev, int is_on)
-{
-	gpio_request(CONFIG_USB_SL811_BFIN_GPIO_VBUS, "usb:SL811_VBUS");
-	gpio_direction_output(CONFIG_USB_SL811_BFIN_GPIO_VBUS, is_on);
-}
-#endif
-
-static struct sl811_platform_data sl811_priv = {
-	.potpg = 10,
-	.power = 250,       /* == 500mA */
-#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
-	.port_power = &sl811_port_power,
-#endif
-};
-
-static struct platform_device sl811_hcd_device = {
-	.name = "sl811-hcd",
-	.id = 0,
-	.dev = {
-		.platform_data = &sl811_priv,
-	},
-	.num_resources = ARRAY_SIZE(sl811_hcd_resources),
-	.resource = sl811_hcd_resources,
-};
-#endif
-
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 static struct platform_device bfin_mii_bus = {
 	.name = "bfin_mii_bus",
@@ -384,8 +339,8 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) \
-	|| defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) \
+	|| defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
@@ -462,8 +417,8 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	},
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) \
-	|| defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) \
+	|| defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 	{
 		.modalias = "ad1836",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
@@ -603,30 +558,105 @@ static struct platform_device cm_flash_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
 #ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
 	{
-		.start = 0xFFC02000,
-		.end = 0xFFC020FF,
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+#ifdef CONFIG_BFIN_UART1_CTSRTS
+	{	/* CTS pin */
+		.start = GPIO_PF9,
+		.end = GPIO_PF9,
+		.flags = IORESOURCE_IO,
+	},
+	{	/* RTS pin */
+		.start = GPIO_PF10,
+		.end = GPIO_PF10,
+		.flags = IORESOURCE_IO,
+	},
 #endif
 };
 
-static struct platform_device bfin_uart_device = {
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
+};
+
+static struct platform_device bfin_uart1_device = {
 	.name = "bfin-uart",
 	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -725,16 +755,75 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 };
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
 static struct platform_device bfin_sport0_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
 };
 
 static struct platform_device bfin_sport1_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 #include <linux/input.h>
@@ -795,10 +884,6 @@ static struct platform_device *cmbf527_devices[] __initdata = {
 	&rtc_device,
 #endif
 
-#if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
-	&sl811_hcd_device,
-#endif
-
 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
 	&bfin_isp1760_device,
 #endif
@@ -829,7 +914,12 @@ static struct platform_device *cmbf527_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -846,9 +936,13 @@ static struct platform_device *cmbf527_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 	&bfin_sport1_uart_device,
 #endif
+#endif
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 	&bfin_device_gpiokeys,
@@ -871,6 +965,33 @@ static int __init cm_init(void)
 
 arch_initcall(cm_init);
 
+static struct platform_device *cmbf527_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(cmbf527_early_devices,
+		ARRAY_SIZE(cmbf527_early_devices));
+}
+
 void native_machine_restart(char *cmd)
 {
 	/* workaround reboot hang when booting from SPI */
diff --git a/arch/blackfin/mach-bf527/boards/ezbrd.c b/arch/blackfin/mach-bf527/boards/ezbrd.c
index cad23b15d83c..55069af4f67d 100644
--- a/arch/blackfin/mach-bf527/boards/ezbrd.c
+++ b/arch/blackfin/mach-bf527/boards/ezbrd.c
@@ -274,8 +274,8 @@ static const struct ad7879_platform_data bfin_ad7879_ts_info = {
 	.median			= 2,	/* do 8 measurements */
 	.averaging 		= 1,	/* take the average of 4 middle samples */
 	.pen_down_acc_interval 	= 255,	/* 9.4 ms */
-	.gpio_output		= 1,	/* configure AUX/VBAT/GPIO as GPIO output */
-	.gpio_default 		= 1,	/* During initialization set GPIO = HIGH */
+	.gpio_export		= 1,	/* Export GPIO to gpiolib */
+	.gpio_base		= -1,	/* Dynamic allocation */
 };
 #endif
 
@@ -439,30 +439,105 @@ static struct platform_device bfin_spi0_device = {
 #endif  /* spi master and devices */
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
 #ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
 	{
-		.start = 0xFFC02000,
-		.end = 0xFFC020FF,
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+#ifdef CONFIG_BFIN_UART1_CTSRTS
+	{	/* CTS pin */
+		.start = GPIO_PG0,
+		.end = GPIO_PG0,
+		.flags = IORESOURCE_IO,
+	},
+	{	/* RTS pin */
+		.start = GPIO_PF10,
+		.end = GPIO_PF10,
+		.flags = IORESOURCE_IO,
+	},
 #endif
 };
 
-static struct platform_device bfin_uart_device = {
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
+};
+
+static struct platform_device bfin_uart1_device = {
 	.name = "bfin-uart",
 	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -556,16 +631,75 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 };
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
 static struct platform_device bfin_sport0_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
 };
 
 static struct platform_device bfin_sport1_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 #include <linux/input.h>
@@ -615,9 +749,10 @@ static struct platform_device bfin_dpmc = {
 #include <asm/bfin-lq035q1.h>
 
 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
-	.mode = 	LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
-	.use_bl = 	1,
-	.gpio_bl =	GPIO_PG12,
+	.mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
+	.ppi_mode = USE_RGB565_16_BIT_PPI,
+	.use_bl = 1,
+	.gpio_bl = GPIO_PG12,
 };
 
 static struct resource bfin_lq035q1_resources[] = {
@@ -665,7 +800,12 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
 #endif
 
 #if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
@@ -686,9 +826,13 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 	&bfin_sport1_uart_device,
 #endif
+#endif
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 	&bfin_device_gpiokeys,
@@ -711,6 +855,33 @@ static int __init ezbrd_init(void)
 
 arch_initcall(ezbrd_init);
 
+static struct platform_device *ezbrd_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(ezbrd_early_devices,
+		ARRAY_SIZE(ezbrd_early_devices));
+}
+
 void native_machine_restart(char *cmd)
 {
 	/* workaround reboot hang when booting from SPI */
diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index 5294fdd20732..923383386aa1 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -16,8 +16,9 @@
 #include <linux/i2c.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
-#include <linux/usb/sl811.h>
 #include <linux/usb/musb.h>
+#include <linux/leds.h>
+#include <linux/input.h>
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/reboot.h>
@@ -29,7 +30,11 @@
 /*
  * Name the Board for the /proc/cpuinfo
  */
+#ifdef CONFIG_BFIN527_EZKIT_V2
+const char bfin_board_name[] = "ADI BF527-EZKIT V2";
+#else
 const char bfin_board_name[] = "ADI BF527-EZKIT";
+#endif
 
 /*
  *  Driver needs to know address, irq and flag pin.
@@ -143,6 +148,33 @@ static struct platform_device bf52x_t350mcqb_device = {
 };
 #endif
 
+#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
+#include <asm/bfin-lq035q1.h>
+
+static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
+	.mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
+	.ppi_mode = USE_RGB565_8_BIT_PPI,
+};
+
+static struct resource bfin_lq035q1_resources[] = {
+	{
+		.start = IRQ_PPI_ERROR,
+		.end = IRQ_PPI_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device bfin_lq035q1_device = {
+	.name		= "bfin-lq035q1",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(bfin_lq035q1_resources),
+	.resource	= bfin_lq035q1_resources,
+	.dev		= {
+		.platform_data = &bfin_lq035q1_data,
+	},
+};
+#endif
+
 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 static struct mtd_partition ezkit_partitions[] = {
 	{
@@ -326,50 +358,6 @@ static struct platform_device dm9000_device = {
 };
 #endif
 
-#if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
-static struct resource sl811_hcd_resources[] = {
-	{
-		.start = 0x20340000,
-		.end = 0x20340000,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = 0x20340004,
-		.end = 0x20340004,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = CONFIG_USB_SL811_BFIN_IRQ,
-		.end = CONFIG_USB_SL811_BFIN_IRQ,
-		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
-	},
-};
-
-#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
-void sl811_port_power(struct device *dev, int is_on)
-{
-	gpio_request(CONFIG_USB_SL811_BFIN_GPIO_VBUS, "usb:SL811_VBUS");
-	gpio_direction_output(CONFIG_USB_SL811_BFIN_GPIO_VBUS, is_on);
-}
-#endif
-
-static struct sl811_platform_data sl811_priv = {
-	.potpg = 10,
-	.power = 250,       /* == 500mA */
-#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
-	.port_power = &sl811_port_power,
-#endif
-};
-
-static struct platform_device sl811_hcd_device = {
-	.name = "sl811-hcd",
-	.id = 0,
-	.dev = {
-		.platform_data = &sl811_priv,
-	},
-	.num_resources = ARRAY_SIZE(sl811_hcd_resources),
-	.resource = sl811_hcd_resources,
-};
-#endif
-
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 static struct platform_device bfin_mii_bus = {
 	.name = "bfin_mii_bus",
@@ -440,8 +428,8 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) \
-	|| defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) \
+	|| defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
@@ -488,8 +476,7 @@ static const struct ad7879_platform_data bfin_ad7879_ts_info = {
 	.median			= 2,	/* do 8 measurements */
 	.averaging 		= 1,	/* take the average of 4 middle samples */
 	.pen_down_acc_interval 	= 255,	/* 9.4 ms */
-	.gpio_output		= 1,	/* configure AUX/VBAT/GPIO as GPIO output */
-	.gpio_default 		= 1,	/* During initialization set GPIO = HIGH */
+	.gpio_export		= 0,	/* Export GPIO to gpiolib */
 };
 #endif
 
@@ -500,14 +487,6 @@ static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
-	 && defined(CONFIG_SND_SOC_WM8731_SPI)
-static struct bfin5xx_spi_chip spi_wm8731_chip_info = {
-	.enable_dma = 0,
-	.bits_per_word = 16,
-};
-#endif
-
 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 static struct bfin5xx_spi_chip spidev_chip_info = {
 	.enable_dma = 0,
@@ -515,6 +494,29 @@ static struct bfin5xx_spi_chip spidev_chip_info = {
 };
 #endif
 
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+static struct platform_device bfin_i2s = {
+	.name = "bfin-i2s",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
+#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
+static struct platform_device bfin_tdm = {
+	.name = "bfin-tdm",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
+#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
+static struct bfin5xx_spi_chip lq035q1_spi_chip_info = {
+	.enable_dma	= 0,
+	.bits_per_word	= 8,
+};
+#endif
+
 static struct spi_board_info bfin_spi_board_info[] __initdata = {
 #if defined(CONFIG_MTD_M25P80) \
 	|| defined(CONFIG_MTD_M25P80_MODULE)
@@ -542,8 +544,8 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	},
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) \
-	|| defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) \
+	|| defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 	{
 		.modalias = "ad1836",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
@@ -586,17 +588,6 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 		.mode = SPI_CPHA | SPI_CPOL,
 	},
 #endif
-#if defined(CONFIG_SND_SOC_WM8731) || defined(CONFIG_SND_SOC_WM8731_MODULE) \
-	 && defined(CONFIG_SND_SOC_WM8731_SPI)
-	{
-		.modalias	= "wm8731",
-		.max_speed_hz	= 3125000,     /* max spi clock (SCK) speed in HZ */
-		.bus_num	= 0,
-		.chip_select    = 5,
-		.controller_data = &spi_wm8731_chip_info,
-		.mode = SPI_MODE_0,
-	},
-#endif
 #if defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
 	{
 		.modalias = "spidev",
@@ -606,6 +597,16 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 		.controller_data = &spidev_chip_info,
 	},
 #endif
+#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
+	{
+		.modalias = "bfin-lq035q1-spi",
+		.max_speed_hz = 20000000,     /* max spi clock (SCK) speed in HZ */
+		.bus_num = 0,
+		.chip_select = 7,
+		.controller_data = &lq035q1_spi_chip_info,
+		.mode = SPI_CPHA | SPI_CPOL,
+	},
+#endif
 };
 
 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
@@ -647,30 +648,105 @@ static struct platform_device bfin_spi0_device = {
 #endif  /* spi master and devices */
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
 #ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
 	{
-		.start = 0xFFC02000,
-		.end = 0xFFC020FF,
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+#ifdef CONFIG_BFIN_UART1_CTSRTS
+	{	/* CTS pin */
+		.start = GPIO_PF9,
+		.end = GPIO_PF9,
+		.flags = IORESOURCE_IO,
+	},
+	{	/* RTS pin */
+		.start = GPIO_PF10,
+		.end = GPIO_PF10,
+		.flags = IORESOURCE_IO,
+	},
 #endif
 };
 
-static struct platform_device bfin_uart_device = {
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
+};
+
+static struct platform_device bfin_uart1_device = {
 	.name = "bfin-uart",
 	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -749,6 +825,71 @@ static struct platform_device i2c_bfin_twi_device = {
 };
 #endif
 
+#if defined(CONFIG_PMIC_ADP5520) || defined(CONFIG_PMIC_ADP5520_MODULE)
+#include <linux/mfd/adp5520.h>
+
+	/*
+	 *  ADP5520/5501 LEDs Data
+	 */
+
+static struct led_info adp5520_leds[] = {
+	{
+		.name = "adp5520-led1",
+		.default_trigger = "none",
+		.flags = FLAG_ID_ADP5520_LED1_ADP5501_LED0 | ADP5520_LED_OFFT_600ms,
+	},
+};
+
+static struct adp5520_leds_platform_data adp5520_leds_data = {
+	.num_leds = ARRAY_SIZE(adp5520_leds),
+	.leds = adp5520_leds,
+	.fade_in = ADP5520_FADE_T_600ms,
+	.fade_out = ADP5520_FADE_T_600ms,
+	.led_on_time = ADP5520_LED_ONT_600ms,
+};
+
+	/*
+	 *  ADP5520 Keypad Data
+	 */
+
+static const unsigned short adp5520_keymap[ADP5520_KEYMAPSIZE] = {
+	[ADP5520_KEY(3, 3)]	= KEY_1,
+	[ADP5520_KEY(2, 3)]	= KEY_2,
+	[ADP5520_KEY(1, 3)]	= KEY_3,
+	[ADP5520_KEY(0, 3)]	= KEY_UP,
+	[ADP5520_KEY(3, 2)]	= KEY_4,
+	[ADP5520_KEY(2, 2)]	= KEY_5,
+	[ADP5520_KEY(1, 2)]	= KEY_6,
+	[ADP5520_KEY(0, 2)]	= KEY_DOWN,
+	[ADP5520_KEY(3, 1)]	= KEY_7,
+	[ADP5520_KEY(2, 1)]	= KEY_8,
+	[ADP5520_KEY(1, 1)]	= KEY_9,
+	[ADP5520_KEY(0, 1)]	= KEY_DOT,
+	[ADP5520_KEY(3, 0)]	= KEY_BACKSPACE,
+	[ADP5520_KEY(2, 0)]	= KEY_0,
+	[ADP5520_KEY(1, 0)]	= KEY_HELP,
+	[ADP5520_KEY(0, 0)]	= KEY_ENTER,
+};
+
+static struct adp5520_keys_platform_data adp5520_keys_data = {
+	.rows_en_mask	= ADP5520_ROW_R3 | ADP5520_ROW_R2 | ADP5520_ROW_R1 | ADP5520_ROW_R0,
+	.cols_en_mask	= ADP5520_COL_C3 | ADP5520_COL_C2 | ADP5520_COL_C1 | ADP5520_COL_C0,
+	.keymap		= adp5520_keymap,
+	.keymapsize	= ARRAY_SIZE(adp5520_keymap),
+	.repeat		= 0,
+};
+
+	/*
+	 *  ADP5520/5501 Multifuction Device Init Data
+	 */
+
+static struct adp5520_platform_data adp5520_pdev_data = {
+	.leds = &adp5520_leds_data,
+	.keys = &adp5520_keys_data,
+};
+
+#endif
+
 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
 	{
@@ -766,22 +907,99 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 		I2C_BOARD_INFO("bfin-adv7393", 0x2B),
 	},
 #endif
+#if defined(CONFIG_TOUCHSCREEN_AD7879_I2C) || defined(CONFIG_TOUCHSCREEN_AD7879_I2C_MODULE)
+	{
+		I2C_BOARD_INFO("ad7879", 0x2C),
+		.irq = IRQ_PF8,
+		.platform_data = (void *)&bfin_ad7879_ts_info,
+	},
+#endif
+#if defined(CONFIG_PMIC_ADP5520) || defined(CONFIG_PMIC_ADP5520_MODULE)
+	{
+		I2C_BOARD_INFO("pmic-adp5520", 0x32),
+		.irq = IRQ_PF9,
+		.platform_data = (void *)&adp5520_pdev_data,
+	},
+#endif
+#if defined(CONFIG_SND_SOC_SSM2602) || defined(CONFIG_SND_SOC_SSM2602_MODULE)
+	{
+		I2C_BOARD_INFO("ssm2602", 0x1b),
+	},
+#endif
 };
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
 static struct platform_device bfin_sport0_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
 };
 
 static struct platform_device bfin_sport1_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
-#include <linux/input.h>
 #include <linux/gpio_keys.h>
 
 static struct gpio_keys_button bfin_gpio_keys_table[] = {
@@ -803,7 +1021,6 @@ static struct platform_device bfin_device_gpiokeys = {
 #endif
 
 #if defined(CONFIG_INPUT_BFIN_ROTARY) || defined(CONFIG_INPUT_BFIN_ROTARY_MODULE)
-#include <linux/input.h>
 #include <asm/bfin_rotary.h>
 
 static struct bfin_rotary_platform_data bfin_rotary_data = {
@@ -872,10 +1089,6 @@ static struct platform_device *stamp_devices[] __initdata = {
 	&rtc_device,
 #endif
 
-#if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
-	&sl811_hcd_device,
-#endif
-
 #if defined(CONFIG_USB_ISP1760_HCD) || defined(CONFIG_USB_ISP1760_HCD_MODULE)
 	&bfin_isp1760_device,
 #endif
@@ -909,8 +1122,17 @@ static struct platform_device *stamp_devices[] __initdata = {
 	&bf52x_t350mcqb_device,
 #endif
 
+#if defined(CONFIG_FB_BFIN_LQ035Q1) || defined(CONFIG_FB_BFIN_LQ035Q1_MODULE)
+	&bfin_lq035q1_device,
+#endif
+
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -927,9 +1149,13 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 	&bfin_sport1_uart_device,
 #endif
+#endif
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 	&bfin_device_gpiokeys,
@@ -942,6 +1168,14 @@ static struct platform_device *stamp_devices[] __initdata = {
 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 	&ezkit_flash_device,
 #endif
+
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+	&bfin_i2s,
+#endif
+
+#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
+	&bfin_tdm,
+#endif
 };
 
 static int __init ezkit_init(void)
@@ -956,6 +1190,33 @@ static int __init ezkit_init(void)
 
 arch_initcall(ezkit_init);
 
+static struct platform_device *ezkit_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(ezkit_early_devices,
+		ARRAY_SIZE(ezkit_early_devices));
+}
+
 void native_machine_restart(char *cmd)
 {
 	/* workaround reboot hang when booting from SPI */
diff --git a/arch/blackfin/mach-bf527/include/mach/irq.h b/arch/blackfin/mach-bf527/include/mach/irq.h
index aa6579a64a2f..704d9253e41d 100644
--- a/arch/blackfin/mach-bf527/include/mach/irq.h
+++ b/arch/blackfin/mach-bf527/include/mach/irq.h
@@ -151,7 +151,17 @@
 
 #define GPIO_IRQ_BASE	IRQ_PF0
 
-#define NR_IRQS     (IRQ_PH15+1)
+#define IRQ_MAC_PHYINT		119 /* PHY_INT Interrupt */
+#define IRQ_MAC_MMCINT		120 /* MMC Counter Interrupt */
+#define IRQ_MAC_RXFSINT		121 /* RX Frame-Status Interrupt */
+#define IRQ_MAC_TXFSINT		122 /* TX Frame-Status Interrupt */
+#define IRQ_MAC_WAKEDET		123 /* Wake-Up Interrupt */
+#define IRQ_MAC_RXDMAERR	124 /* RX DMA Direction Error Interrupt */
+#define IRQ_MAC_TXDMAERR	125 /* TX DMA Direction Error Interrupt */
+#define IRQ_MAC_STMDONE		126 /* Station Mgt. Transfer Done Interrupt */
+
+#define NR_MACH_IRQS	(IRQ_MAC_STMDONE + 1)
+#define NR_IRQS		(NR_MACH_IRQS + NR_SPARE_IRQS)
 
 #define IVG7            7
 #define IVG8            8
diff --git a/arch/blackfin/mach-bf533/boards/H8606.c b/arch/blackfin/mach-bf533/boards/H8606.c
index 4adceb0bdb6d..175371af0692 100644
--- a/arch/blackfin/mach-bf533/boards/H8606.c
+++ b/arch/blackfin/mach-bf533/boards/H8606.c
@@ -171,7 +171,7 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
@@ -206,7 +206,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	},
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 	{
 		.modalias = "ad1836",
 		.max_speed_hz = 16,
@@ -257,21 +257,50 @@ static struct platform_device bfin_spi0_device = {
 #endif  /* spi master and devices */
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = BFIN_UART_THR,
+		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX + 1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
 };
 
-static struct platform_device bfin_uart_device = {
+static struct platform_device bfin_uart0_device = {
 	.name = "bfin-uart",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -394,7 +423,9 @@ static struct platform_device *h8606_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
 #endif
 
 #if defined(CONFIG_SERIAL_8250) || defined(CONFIG_SERIAL_8250_MODULE)
@@ -424,3 +455,18 @@ static int __init H8606_init(void)
 }
 
 arch_initcall(H8606_init);
+
+static struct platform_device *H8606_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(H8606_early_devices,
+		ARRAY_SIZE(H8606_early_devices));
+}
diff --git a/arch/blackfin/mach-bf533/boards/blackstamp.c b/arch/blackfin/mach-bf533/boards/blackstamp.c
index b580884848d4..842b4fa76ea9 100644
--- a/arch/blackfin/mach-bf533/boards/blackstamp.c
+++ b/arch/blackfin/mach-bf533/boards/blackstamp.c
@@ -195,21 +195,50 @@ static struct platform_device bfin_spi0_device = {
 #endif  /* spi master and devices */
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = BFIN_UART_THR,
+		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX + 1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
 };
 
-static struct platform_device bfin_uart_device = {
+static struct platform_device bfin_uart0_device = {
 	.name = "bfin-uart",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -241,16 +270,75 @@ static struct platform_device bfin_sir0_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
 static struct platform_device bfin_sport0_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
 };
 
 static struct platform_device bfin_sport1_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 #include <linux/input.h>
@@ -344,7 +432,9 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -354,9 +444,13 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 	&bfin_sport1_uart_device,
 #endif
+#endif
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 	&bfin_device_gpiokeys,
@@ -392,3 +486,27 @@ static int __init blackstamp_init(void)
 }
 
 arch_initcall(blackstamp_init);
+
+static struct platform_device *stamp_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(stamp_early_devices,
+		ARRAY_SIZE(stamp_early_devices));
+}
diff --git a/arch/blackfin/mach-bf533/boards/cm_bf533.c b/arch/blackfin/mach-bf533/boards/cm_bf533.c
index 7fc3b860d4ae..fdcde61906dc 100644
--- a/arch/blackfin/mach-bf533/boards/cm_bf533.c
+++ b/arch/blackfin/mach-bf533/boards/cm_bf533.c
@@ -71,7 +71,7 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
@@ -110,7 +110,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	},
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 	{
 		.modalias = "ad1836",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
@@ -242,21 +242,50 @@ static struct platform_device smsc911x_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = BFIN_UART_THR,
+		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX + 1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
 };
 
-static struct platform_device bfin_uart_device = {
+static struct platform_device bfin_uart0_device = {
 	.name = "bfin-uart",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -288,16 +317,75 @@ static struct platform_device bfin_sir0_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
 static struct platform_device bfin_sport0_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
 };
 
 static struct platform_device bfin_sport1_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 static struct resource isp1362_hcd_resources[] = {
@@ -432,7 +520,9 @@ static struct platform_device *cm_bf533_devices[] __initdata = {
 	&bfin_dpmc,
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -442,9 +532,13 @@ static struct platform_device *cm_bf533_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 	&bfin_sport1_uart_device,
 #endif
+#endif
 
 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 	&rtc_device,
@@ -486,3 +580,27 @@ static int __init cm_bf533_init(void)
 }
 
 arch_initcall(cm_bf533_init);
+
+static struct platform_device *cm_bf533_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(cm_bf533_early_devices,
+		ARRAY_SIZE(cm_bf533_early_devices));
+}
diff --git a/arch/blackfin/mach-bf533/boards/ezkit.c b/arch/blackfin/mach-bf533/boards/ezkit.c
index d4689dcc198e..739773cb7fc6 100644
--- a/arch/blackfin/mach-bf533/boards/ezkit.c
+++ b/arch/blackfin/mach-bf533/boards/ezkit.c
@@ -222,7 +222,7 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
@@ -261,7 +261,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	},
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 	{
 		.modalias = "ad1836",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
@@ -320,21 +320,50 @@ static struct platform_device bfin_spi0_device = {
 #endif  /* spi master and devices */
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = BFIN_UART_THR,
+		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX + 1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
 };
 
-static struct platform_device bfin_uart_device = {
+static struct platform_device bfin_uart0_device = {
 	.name = "bfin-uart",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -444,6 +473,30 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 #endif
 };
 
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+static struct platform_device bfin_i2s = {
+	.name = "bfin-i2s",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
+#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
+static struct platform_device bfin_tdm = {
+	.name = "bfin-tdm",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
+#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
+static struct platform_device bfin_ac97 = {
+	.name = "bfin-ac97",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
 static struct platform_device *ezkit_devices[] __initdata = {
 
 	&bfin_dpmc,
@@ -471,7 +524,9 @@ static struct platform_device *ezkit_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -487,6 +542,18 @@ static struct platform_device *ezkit_devices[] __initdata = {
 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
 	&i2c_gpio_device,
 #endif
+
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+	&bfin_i2s,
+#endif
+
+#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
+	&bfin_tdm,
+#endif
+
+#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
+	&bfin_ac97,
+#endif
 };
 
 static int __init ezkit_init(void)
@@ -500,3 +567,18 @@ static int __init ezkit_init(void)
 }
 
 arch_initcall(ezkit_init);
+
+static struct platform_device *ezkit_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(ezkit_early_devices,
+		ARRAY_SIZE(ezkit_early_devices));
+}
diff --git a/arch/blackfin/mach-bf533/boards/ip0x.c b/arch/blackfin/mach-bf533/boards/ip0x.c
index 8ec42ba35b9e..7349970db978 100644
--- a/arch/blackfin/mach-bf533/boards/ip0x.c
+++ b/arch/blackfin/mach-bf533/boards/ip0x.c
@@ -19,6 +19,7 @@
 #include <linux/usb/isp1362.h>
 #endif
 #include <asm/irq.h>
+#include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/portmux.h>
 
@@ -143,21 +144,50 @@ static struct platform_device spi_bfin_master_device = {
 #endif  /* spi master and devices */
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = BFIN_UART_THR,
+		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX + 1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
 };
 
-static struct platform_device bfin_uart_device = {
+static struct platform_device bfin_uart0_device = {
 	.name = "bfin-uart",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -241,7 +271,9 @@ static struct platform_device *ip0x_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -276,3 +308,18 @@ static int __init ip0x_init(void)
 }
 
 arch_initcall(ip0x_init);
+
+static struct platform_device *ip0x_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(ip0x_early_devices,
+		ARRAY_SIZE(ip0x_early_devices));
+}
diff --git a/arch/blackfin/mach-bf533/boards/stamp.c b/arch/blackfin/mach-bf533/boards/stamp.c
index 6d68dcfa2da2..c457eaa60239 100644
--- a/arch/blackfin/mach-bf533/boards/stamp.c
+++ b/arch/blackfin/mach-bf533/boards/stamp.c
@@ -184,7 +184,7 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
@@ -251,7 +251,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	},
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 	{
 		.modalias = "ad1836",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
@@ -322,21 +322,50 @@ static struct platform_device bfin_spi0_device = {
 #endif  /* spi master and devices */
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = BFIN_UART_THR,
+		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX + 1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
 };
 
-static struct platform_device bfin_uart_device = {
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
 	.name = "bfin-uart",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -368,16 +397,75 @@ static struct platform_device bfin_sir0_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
 static struct platform_device bfin_sport0_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
 };
 
 static struct platform_device bfin_sport1_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 #include <linux/input.h>
@@ -474,6 +562,30 @@ static struct platform_device bfin_dpmc = {
 	},
 };
 
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+static struct platform_device bfin_i2s = {
+	.name = "bfin-i2s",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
+#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
+static struct platform_device bfin_tdm = {
+	.name = "bfin-tdm",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
+#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
+static struct platform_device bfin_ac97 = {
+	.name = "bfin-ac97",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
 static struct platform_device *stamp_devices[] __initdata = {
 
 	&bfin_dpmc,
@@ -495,7 +607,9 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -505,9 +619,13 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 	&bfin_sport1_uart_device,
 #endif
+#endif
 
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 	&bfin_device_gpiokeys,
@@ -520,6 +638,18 @@ static struct platform_device *stamp_devices[] __initdata = {
 #if defined(CONFIG_MTD_BFIN_ASYNC) || defined(CONFIG_MTD_BFIN_ASYNC_MODULE)
 	&stamp_flash_device,
 #endif
+
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+	&bfin_i2s,
+#endif
+
+#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
+	&bfin_tdm,
+#endif
+
+#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
+	&bfin_ac97,
+#endif
 };
 
 static int __init stamp_init(void)
@@ -548,6 +678,30 @@ static int __init stamp_init(void)
 
 arch_initcall(stamp_init);
 
+static struct platform_device *stamp_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(stamp_early_devices,
+		ARRAY_SIZE(stamp_early_devices));
+}
+
 void native_machine_restart(char *cmd)
 {
 	/* workaround pull up on cpld / flash pin not being strong enough */
diff --git a/arch/blackfin/mach-bf533/include/mach/irq.h b/arch/blackfin/mach-bf533/include/mach/irq.h
index c31498be0bbb..1f7e9765d954 100644
--- a/arch/blackfin/mach-bf533/include/mach/irq.h
+++ b/arch/blackfin/mach-bf533/include/mach/irq.h
@@ -104,7 +104,8 @@ Core        Emulation               **
 
 #define GPIO_IRQ_BASE		IRQ_PF0
 
-#define	NR_IRQS		(IRQ_PF15+1)
+#define NR_MACH_IRQS		(IRQ_PF15 + 1)
+#define NR_IRQS			(NR_MACH_IRQS + NR_SPARE_IRQS)
 
 #define IVG7			7
 #define IVG8			8
diff --git a/arch/blackfin/mach-bf537/boards/cm_bf537e.c b/arch/blackfin/mach-bf537/boards/cm_bf537e.c
index c85f4d770535..d35fc5fe4c2b 100644
--- a/arch/blackfin/mach-bf537/boards/cm_bf537e.c
+++ b/arch/blackfin/mach-bf537/boards/cm_bf537e.c
@@ -73,7 +73,7 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
@@ -112,7 +112,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	},
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 	{
 		.modalias = "ad1836",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
@@ -329,8 +329,8 @@ static struct platform_device cm_flash_device = {
 #ifdef CONFIG_SERIAL_BFIN_UART0
 static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
 	{
@@ -373,18 +373,25 @@ static struct resource bfin_uart0_resources[] = {
 #endif
 };
 
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
 static struct platform_device bfin_uart0_device = {
 	.name = "bfin-uart",
 	.id = 0,
 	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
 	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
 };
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART1
 static struct resource bfin_uart1_resources[] = {
 	{
-		.start = 0xFFC02000,
-		.end = 0xFFC020FF,
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
 	{
@@ -427,11 +434,18 @@ static struct resource bfin_uart1_resources[] = {
 #endif
 };
 
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
+};
+
 static struct platform_device bfin_uart1_device = {
 	.name = "bfin-uart",
 	.id = 1,
 	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
 	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
 };
 #endif
 #endif
@@ -512,16 +526,75 @@ static struct platform_device i2c_bfin_twi_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
 static struct platform_device bfin_sport0_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
 };
 
 static struct platform_device bfin_sport1_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 static struct platform_device bfin_mii_bus = {
@@ -633,9 +706,13 @@ static struct platform_device *cm_bf537e_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 	&bfin_sport1_uart_device,
 #endif
+#endif
 
 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 	&isp1362_hcd_device,
@@ -683,6 +760,33 @@ static int __init cm_bf537e_init(void)
 
 arch_initcall(cm_bf537e_init);
 
+static struct platform_device *cm_bf537e_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(cm_bf537e_early_devices,
+		ARRAY_SIZE(cm_bf537e_early_devices));
+}
+
 void bfin_get_ether_addr(char *addr)
 {
 	random_ether_addr(addr);
diff --git a/arch/blackfin/mach-bf537/boards/cm_bf537u.c b/arch/blackfin/mach-bf537/boards/cm_bf537u.c
index ea11aa81340d..d464ad5b72b2 100644
--- a/arch/blackfin/mach-bf537/boards/cm_bf537u.c
+++ b/arch/blackfin/mach-bf537/boards/cm_bf537u.c
@@ -74,7 +74,7 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
@@ -113,7 +113,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	},
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 	{
 		.modalias = "ad1836",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
@@ -327,25 +327,93 @@ static struct platform_device cm_flash_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
-	}, {
-		.start = 0xFFC02000,
-		.end = 0xFFC020FF,
+	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
+	{
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
 };
 
-static struct platform_device bfin_uart_device = {
+static struct platform_device bfin_uart1_device = {
 	.name = "bfin-uart",
 	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -423,16 +491,75 @@ static struct platform_device i2c_bfin_twi_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
 static struct platform_device bfin_sport0_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
 };
 
 static struct platform_device bfin_sport1_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 static struct platform_device bfin_mii_bus = {
@@ -522,7 +649,12 @@ static struct platform_device *cm_bf537u_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -539,9 +671,13 @@ static struct platform_device *cm_bf537u_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 	&bfin_sport1_uart_device,
 #endif
+#endif
 
 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 	&isp1362_hcd_device,
@@ -589,6 +725,33 @@ static int __init cm_bf537u_init(void)
 
 arch_initcall(cm_bf537u_init);
 
+static struct platform_device *cm_bf537u_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(cm_bf537u_early_devices,
+		ARRAY_SIZE(cm_bf537u_early_devices));
+}
+
 void bfin_get_ether_addr(char *addr)
 {
 	random_ether_addr(addr);
diff --git a/arch/blackfin/mach-bf537/boards/minotaur.c b/arch/blackfin/mach-bf537/boards/minotaur.c
index 0da927252701..c489d602c590 100644
--- a/arch/blackfin/mach-bf537/boards/minotaur.c
+++ b/arch/blackfin/mach-bf537/boards/minotaur.c
@@ -211,25 +211,93 @@ static struct platform_device bfin_spi0_device = {
 #endif  /* spi master and devices */
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
-	}, {
-		.start = 0xFFC02000,
-		.end = 0xFFC020FF,
+	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
+	{
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
 };
 
-static struct platform_device bfin_uart_device = {
+static struct platform_device bfin_uart1_device = {
 	.name = "bfin-uart",
 	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -309,16 +377,75 @@ static struct platform_device i2c_bfin_twi_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
 static struct platform_device bfin_sport0_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
 };
 
 static struct platform_device bfin_sport1_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 static struct platform_device *minotaur_devices[] __initdata = {
 #if defined(CONFIG_BFIN_CFPCMCIA) || defined(CONFIG_BFIN_CFPCMCIA_MODULE)
@@ -343,7 +470,12 @@ static struct platform_device *minotaur_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -360,9 +492,13 @@ static struct platform_device *minotaur_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 	&bfin_sport1_uart_device,
 #endif
+#endif
 
 };
 
@@ -380,6 +516,33 @@ static int __init minotaur_init(void)
 
 arch_initcall(minotaur_init);
 
+static struct platform_device *minotaur_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(minotaur_early_devices,
+		ARRAY_SIZE(minotaur_early_devices));
+}
+
 void native_machine_restart(char *cmd)
 {
 	/* workaround reboot hang when booting from SPI */
diff --git a/arch/blackfin/mach-bf537/boards/pnav10.c b/arch/blackfin/mach-bf537/boards/pnav10.c
index 4e0afda472ab..812e8f991601 100644
--- a/arch/blackfin/mach-bf537/boards/pnav10.c
+++ b/arch/blackfin/mach-bf537/boards/pnav10.c
@@ -17,7 +17,6 @@
 #include <asm/dma.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/portmux.h>
-#include <linux/usb/sl811.h>
 
 #include <linux/spi/ad7877.h>
 
@@ -99,51 +98,6 @@ static struct platform_device smc91x_device = {
 };
 #endif
 
-#if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
-static struct resource sl811_hcd_resources[] = {
-	{
-		.start = 0x20340000,
-		.end = 0x20340000,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = 0x20340004,
-		.end = 0x20340004,
-		.flags = IORESOURCE_MEM,
-	}, {
-		.start = CONFIG_USB_SL811_BFIN_IRQ,
-		.end = CONFIG_USB_SL811_BFIN_IRQ,
-		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
-	},
-};
-
-#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
-void sl811_port_power(struct device *dev, int is_on)
-{
-	gpio_request(CONFIG_USB_SL811_BFIN_GPIO_VBUS, "usb:SL811_VBUS");
-	gpio_direction_output(CONFIG_USB_SL811_BFIN_GPIO_VBUS, is_on);
-
-}
-#endif
-
-static struct sl811_platform_data sl811_priv = {
-	.potpg = 10,
-	.power = 250,       /* == 500mA */
-#if defined(CONFIG_USB_SL811_BFIN_USE_VBUS)
-	.port_power = &sl811_port_power,
-#endif
-};
-
-static struct platform_device sl811_hcd_device = {
-	.name = "sl811-hcd",
-	.id = 0,
-	.dev = {
-		.platform_data = &sl811_priv,
-	},
-	.num_resources = ARRAY_SIZE(sl811_hcd_resources),
-	.resource = sl811_hcd_resources,
-};
-#endif
-
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 static struct platform_device bfin_mii_bus = {
 	.name = "bfin_mii_bus",
@@ -221,8 +175,8 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) \
-	|| defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) \
+	|| defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
@@ -284,8 +238,8 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	},
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) \
-	|| defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) \
+	|| defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 	{
 		.modalias = "ad1836",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
@@ -362,25 +316,93 @@ static struct platform_device bfin_fb_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
-	}, {
-		.start = 0xFFC02000,
-		.end = 0xFFC020FF,
+	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
+	{
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
 };
 
-static struct platform_device bfin_uart_device = {
+static struct platform_device bfin_uart1_device = {
 	.name = "bfin-uart",
 	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -446,10 +468,6 @@ static struct platform_device *stamp_devices[] __initdata = {
 	&rtc_device,
 #endif
 
-#if defined(CONFIG_USB_SL811_HCD) || defined(CONFIG_USB_SL811_HCD_MODULE)
-	&sl811_hcd_device,
-#endif
-
 #if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
 	&smc91x_device,
 #endif
@@ -472,7 +490,12 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -498,6 +521,24 @@ static int __init pnav_init(void)
 
 arch_initcall(pnav_init);
 
+static struct platform_device *stamp_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(stamp_early_devices,
+		ARRAY_SIZE(stamp_early_devices));
+}
+
 void bfin_get_ether_addr(char *addr)
 {
 	random_ether_addr(addr);
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c
index ac9b52e0087c..9eaf5b05c11e 100644
--- a/arch/blackfin/mach-bf537/boards/stamp.c
+++ b/arch/blackfin/mach-bf537/boards/stamp.c
@@ -20,10 +20,12 @@
 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 #include <linux/usb/isp1362.h>
 #endif
+#include <linux/i2c.h>
+#include <linux/i2c/adp5588.h>
+#include <linux/etherdevice.h>
 #include <linux/ata_platform.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
-#include <linux/i2c.h>
 #include <linux/usb/sl811.h>
 #include <linux/spi/mmc_spi.h>
 #include <linux/leds.h>
@@ -33,6 +35,14 @@
 #include <asm/reboot.h>
 #include <asm/portmux.h>
 #include <asm/dpmc.h>
+#ifdef CONFIG_REGULATOR_ADP_SWITCH
+#include <linux/regulator/adp_switch.h>
+#endif
+#ifdef CONFIG_REGULATOR_AD5398
+#include <linux/regulator/ad5398.h>
+#endif
+#include <linux/regulator/consumer.h>
+#include <linux/regulator/userspace-consumer.h>
 
 /*
  * Name the Board for the /proc/cpuinfo
@@ -208,8 +218,8 @@ static struct resource sl811_hcd_resources[] = {
 		.end = 0x20340004,
 		.flags = IORESOURCE_MEM,
 	}, {
-		.start = CONFIG_USB_SL811_BFIN_IRQ,
-		.end = CONFIG_USB_SL811_BFIN_IRQ,
+		.start = IRQ_PF4,
+		.end = IRQ_PF4,
 		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
 	},
 };
@@ -454,6 +464,9 @@ static struct physmap_flash_data stamp_flash_data = {
 	.width      = 2,
 	.parts      = stamp_partitions,
 	.nr_parts   = ARRAY_SIZE(stamp_partitions),
+#ifdef CONFIG_ROMKERNEL
+	.probe_type = "map_rom",
+#endif
 };
 
 static struct resource stamp_flash_resource = {
@@ -515,20 +528,19 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_BF5XX_SOC_AD1836) \
-	|| defined(CONFIG_SND_BF5XX_SOC_AD1836_MODULE)
+#if defined(CONFIG_SND_BF5XX_SOC_AD183X) \
+	|| defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
 };
 #endif
 
-#if defined(CONFIG_SND_BF5XX_SOC_AD1938) \
-	|| defined(CONFIG_SND_BF5XX_SOC_AD1938_MODULE)
+#if defined(CONFIG_SND_BF5XX_SOC_AD193X) \
+	|| defined(CONFIG_SND_BF5XX_SOC_AD193X_MODULE)
 static struct bfin5xx_spi_chip ad1938_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 8,
-	.cs_gpio = GPIO_PF5,
 };
 #endif
 
@@ -644,6 +656,42 @@ static struct ad714x_platform_data ad7142_i2c_platform_data = {
 };
 #endif
 
+#if defined(CONFIG_AD2S90) || defined(CONFIG_AD2S90_MODULE)
+static struct bfin5xx_spi_chip ad2s90_spi_chip_info = {
+	.enable_dma = 0,
+	.bits_per_word = 16,
+};
+#endif
+
+#if defined(CONFIG_AD2S120X) || defined(CONFIG_AD2S120X_MODULE)
+unsigned short ad2s120x_platform_data[] = {
+	/* used as SAMPLE and RDVEL */
+	GPIO_PF5, GPIO_PF6, 0
+};
+
+static struct bfin5xx_spi_chip ad2s120x_spi_chip_info = {
+	.enable_dma = 0,
+	.bits_per_word = 16,
+};
+#endif
+
+#if defined(CONFIG_AD2S1210) || defined(CONFIG_AD2S1210_MODULE)
+unsigned short ad2s1210_platform_data[] = {
+	/* use as SAMPLE, A0, A1 */
+	GPIO_PF7, GPIO_PF8, GPIO_PF9,
+# if defined(CONFIG_AD2S1210_GPIO_INPUT) || defined(CONFIG_AD2S1210_GPIO_OUTPUT)
+	/* the RES0 and RES1 pins */
+	GPIO_PF4, GPIO_PF5,
+# endif
+	0,
+};
+
+static struct bfin5xx_spi_chip ad2s1210_spi_chip_info = {
+	.enable_dma = 0,
+	.bits_per_word = 8,
+};
+#endif
+
 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 #define MMC_SPI_CARD_DETECT_INT IRQ_PF5
 
@@ -686,11 +734,11 @@ static const struct ad7877_platform_data bfin_ad7877_ts_info = {
 	.y_plate_ohms		= 486,
 	.pressure_max		= 1000,
 	.pressure_min		= 0,
-	.stopacq_polarity 	= 1,
-	.first_conversion_delay = 3,
-	.acquisition_time 	= 1,
-	.averaging 		= 1,
-	.pen_down_acc_interval 	= 1,
+	.stopacq_polarity	= 1,
+	.first_conversion_delay	= 3,
+	.acquisition_time	= 1,
+	.averaging		= 1,
+	.pen_down_acc_interval	= 1,
 };
 #endif
 
@@ -701,13 +749,13 @@ static const struct ad7879_platform_data bfin_ad7879_ts_info = {
 	.x_plate_ohms		= 620,	/* 620 Ohm from the touch datasheet */
 	.pressure_max		= 10000,
 	.pressure_min		= 0,
-	.first_conversion_delay = 3,	/* wait 512us before do a first conversion */
-	.acquisition_time 	= 1,	/* 4us acquisition time per sample */
+	.first_conversion_delay	= 3,	/* wait 512us before do a first conversion */
+	.acquisition_time	= 1,	/* 4us acquisition time per sample */
 	.median			= 2,	/* do 8 measurements */
-	.averaging 		= 1,	/* take the average of 4 middle samples */
-	.pen_down_acc_interval 	= 255,	/* 9.4 ms */
-	.gpio_output		= 1,	/* configure AUX/VBAT/GPIO as GPIO output */
-	.gpio_default 		= 1,	/* During initialization set GPIO = HIGH */
+	.averaging		= 1,	/* take the average of 4 middle samples */
+	.pen_down_acc_interval	= 255,	/* 9.4 ms */
+	.gpio_export		= 1,	/* Export GPIO to gpiolib */
+	.gpio_base		= -1,	/* Dynamic allocation */
 };
 #endif
 
@@ -742,6 +790,11 @@ static const struct adxl34x_platform_data adxl34x_info = {
 /*	.ev_code_act_inactivity = KEY_A,*/	/* EV_KEY */
 	.power_mode = ADXL_AUTO_SLEEP | ADXL_LINK,
 	.fifo_mode = ADXL_FIFO_STREAM,
+	.orientation_enable = ADXL_EN_ORIENTATION_3D,
+	.deadzone_angle = ADXL_DEADZONE_ANGLE_10p8,
+	.divisor_length =  ADXL_LP_FILTER_DIVISOR_16,
+	/* EV_KEY {+Z, +Y, +X, -X, -Y, -Z} */
+	.ev_codes_orient_3d = {BTN_Z, BTN_Y, BTN_X, BTN_A, BTN_B, BTN_C},
 };
 #endif
 
@@ -813,6 +866,35 @@ static struct adf702x_platform_data adf7021_platform_data = {
 	.adf702x_regs = adf7021_regs,
 	.tx_reg = TXREG,
 };
+static inline void adf702x_mac_init(void)
+{
+	random_ether_addr(adf7021_platform_data.mac_addr);
+}
+#else
+static inline void adf702x_mac_init(void) {}
+#endif
+
+#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
+#include <linux/spi/ads7846.h>
+static struct bfin5xx_spi_chip ad7873_spi_chip_info = {
+	.bits_per_word	= 8,
+};
+
+static int ads7873_get_pendown_state(void)
+{
+	return gpio_get_value(GPIO_PF6);
+}
+
+static struct ads7846_platform_data __initdata ad7873_pdata = {
+	.model		= 7873,		/* AD7873 */
+	.x_max		= 0xfff,
+	.y_max		= 0xfff,
+	.x_plate_ohms	= 620,
+	.debounce_max	= 1,
+	.debounce_rep	= 0,
+	.debounce_tol	= (~0),
+	.get_pendown_state = ads7873_get_pendown_state,
+};
 #endif
 
 #if defined(CONFIG_MTD_DATAFLASH) \
@@ -893,24 +975,25 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	},
 #endif
 
-#if defined(CONFIG_SND_BF5XX_SOC_AD1836) \
-	|| defined(CONFIG_SND_BF5XX_SOC_AD1836_MODULE)
+#if defined(CONFIG_SND_BF5XX_SOC_AD183X) \
+	|| defined(CONFIG_SND_BF5XX_SOC_AD183X_MODULE)
 	{
-		.modalias = "ad1836",
+		.modalias = "ad183x",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 		.bus_num = 0,
 		.chip_select = 4,/* CONFIG_SND_BLACKFIN_SPI_PFBIT */
+		.platform_data = "ad1836", /* only includes chip name for the moment */
 		.controller_data = &ad1836_spi_chip_info,
 		.mode = SPI_MODE_3,
 	},
 #endif
 
-#if defined(CONFIG_SND_BF5XX_SOC_AD1938) || defined(CONFIG_SND_BF5XX_SOC_AD1938_MODULE)
+#if defined(CONFIG_SND_BF5XX_SOC_AD193X) || defined(CONFIG_SND_BF5XX_SOC_AD193X_MODULE)
 	{
-		.modalias = "ad1938",
+		.modalias = "ad193x",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
 		.bus_num = 0,
-		.chip_select = 0,/* CONFIG_SND_BLACKFIN_SPI_PFBIT */
+		.chip_select = 5,
 		.controller_data = &ad1938_spi_chip_info,
 		.mode = SPI_MODE_3,
 	},
@@ -929,6 +1012,37 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	},
 #endif
 
+#if defined(CONFIG_AD2S90) || defined(CONFIG_AD2S90_MODULE)
+	{
+		.modalias = "ad2s90",
+		.bus_num = 0,
+		.chip_select = 3,            /* change it for your board */
+		.platform_data = NULL,
+		.controller_data = &ad2s90_spi_chip_info,
+	},
+#endif
+
+#if defined(CONFIG_AD2S120X) || defined(CONFIG_AD2S120X_MODULE)
+	{
+		.modalias = "ad2s120x",
+		.bus_num = 0,
+		.chip_select = 4,            /* CS, change it for your board */
+		.platform_data = ad2s120x_platform_data,
+		.controller_data = &ad2s120x_spi_chip_info,
+	},
+#endif
+
+#if defined(CONFIG_AD2S1210) || defined(CONFIG_AD2S1210_MODULE)
+	{
+		.modalias = "ad2s1210",
+		.max_speed_hz = 8192000,
+		.bus_num = 0,
+		.chip_select = 4,            /* CS, change it for your board */
+		.platform_data = ad2s1210_platform_data,
+		.controller_data = &ad2s1210_spi_chip_info,
+	},
+#endif
+
 #if defined(CONFIG_MMC_SPI) || defined(CONFIG_MMC_SPI_MODULE)
 	{
 		.modalias = "mmc_spi",
@@ -1016,7 +1130,18 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 		.mode = SPI_MODE_0,
 	},
 #endif
-
+#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
+	{
+		.modalias = "ads7846",
+		.max_speed_hz = 2000000,     /* max spi clock (SCK) speed in HZ */
+		.bus_num = 0,
+		.irq = IRQ_PF6,
+		.chip_select = GPIO_PF10 + MAX_CTRL_CS,	/* GPIO controlled SSEL */
+		.controller_data = &ad7873_spi_chip_info,
+		.platform_data = &ad7873_pdata,
+		.mode = SPI_MODE_0,
+	},
+#endif
 };
 
 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
@@ -1132,9 +1257,10 @@ static struct platform_device bfin_fb_device = {
 #include <asm/bfin-lq035q1.h>
 
 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
-	.mode = 	LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
-	.use_bl = 	0,	/* let something else control the LCD Blacklight */
-	.gpio_bl =	GPIO_PF7,
+	.mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
+	.ppi_mode = USE_RGB565_16_BIT_PPI,
+	.use_bl = 0,	/* let something else control the LCD Blacklight */
+	.gpio_bl = GPIO_PF7,
 };
 
 static struct resource bfin_lq035q1_resources[] = {
@@ -1148,8 +1274,8 @@ static struct resource bfin_lq035q1_resources[] = {
 static struct platform_device bfin_lq035q1_device = {
 	.name		= "bfin-lq035q1",
 	.id		= -1,
-	.num_resources 	= ARRAY_SIZE(bfin_lq035q1_resources),
-	.resource 	= bfin_lq035q1_resources,
+	.num_resources	= ARRAY_SIZE(bfin_lq035q1_resources),
+	.resource	= bfin_lq035q1_resources,
 	.dev		= {
 		.platform_data = &bfin_lq035q1_data,
 	},
@@ -1157,30 +1283,105 @@ static struct platform_device bfin_lq035q1_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
 #ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+#ifdef CONFIG_BFIN_UART0_CTSRTS
+	{	/* CTS pin */
+		.start = GPIO_PG7,
+		.end = GPIO_PG7,
+		.flags = IORESOURCE_IO,
+	},
+	{	/* RTS pin */
+		.start = GPIO_PG6,
+		.end = GPIO_PG6,
+		.flags = IORESOURCE_IO,
+	},
+#endif
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
 	{
-		.start = 0xFFC02000,
-		.end = 0xFFC020FF,
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
-#endif
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
 };
 
-static struct platform_device bfin_uart_device = {
+static struct platform_device bfin_uart1_device = {
 	.name = "bfin-uart",
 	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -1260,7 +1461,6 @@ static struct platform_device i2c_bfin_twi_device = {
 #endif
 
 #if defined(CONFIG_KEYBOARD_ADP5588) || defined(CONFIG_KEYBOARD_ADP5588_MODULE)
-#include <linux/i2c/adp5588.h>
 static const unsigned short adp5588_keymap[ADP5588_KEYMAPSIZE] = {
 	[0]	 = KEY_GRAVE,
 	[1]	 = KEY_1,
@@ -1457,7 +1657,6 @@ static struct adp5520_platform_data adp5520_pdev_data = {
 #endif
 
 #if defined(CONFIG_GPIO_ADP5588) || defined(CONFIG_GPIO_ADP5588_MODULE)
-#include <linux/i2c/adp5588.h>
 static struct adp5588_gpio_platform_data adp5588_gpio_data = {
 	.gpio_start = 50,
 	.pullup_dis_mask = 0,
@@ -1516,6 +1715,101 @@ static struct adp8870_backlight_platform_data adp8870_pdata = {
 };
 #endif
 
+#if defined(CONFIG_BACKLIGHT_ADP8860) || defined(CONFIG_BACKLIGHT_ADP8860_MODULE)
+#include <linux/i2c/adp8860.h>
+static struct led_info adp8860_leds[] = {
+	{
+		.name = "adp8860-led7",
+		.default_trigger = "none",
+		.flags = ADP8860_LED_D7 | ADP8860_LED_OFFT_600ms,
+	},
+};
+
+static struct adp8860_backlight_platform_data adp8860_pdata = {
+	.bl_led_assign = ADP8860_BL_D1 | ADP8860_BL_D2 | ADP8860_BL_D3 |
+			 ADP8860_BL_D4 | ADP8860_BL_D5 | ADP8860_BL_D6,	/* 1 = Backlight 0 = Individual LED */
+
+	.bl_fade_in = ADP8860_FADE_T_1200ms,		/* Backlight Fade-In Timer */
+	.bl_fade_out = ADP8860_FADE_T_1200ms,		/* Backlight Fade-Out Timer */
+	.bl_fade_law = ADP8860_FADE_LAW_CUBIC1,		/* fade-on/fade-off transfer characteristic */
+
+	.en_ambl_sens = 1,				/* 1 = enable ambient light sensor */
+	.abml_filt = ADP8860_BL_AMBL_FILT_320ms,	/* Light sensor filter time */
+
+	.l1_daylight_max = ADP8860_BL_CUR_mA(20),	/* use BL_CUR_mA(I) 0 <= I <= 30 mA */
+	.l1_daylight_dim = ADP8860_BL_CUR_mA(0),	/* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
+	.l2_office_max = ADP8860_BL_CUR_mA(6),		/* use BL_CUR_mA(I) 0 <= I <= 30 mA */
+	.l2_office_dim = ADP8860_BL_CUR_mA(0),		/* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
+	.l3_dark_max = ADP8860_BL_CUR_mA(2),		/* use BL_CUR_mA(I) 0 <= I <= 30 mA */
+	.l3_dark_dim = ADP8860_BL_CUR_mA(0),		/* typ = 0, use BL_CUR_mA(I) 0 <= I <= 30 mA */
+
+	.l2_trip = ADP8860_L2_COMP_CURR_uA(710),	/* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
+	.l2_hyst = ADP8860_L2_COMP_CURR_uA(73),		/* use L2_COMP_CURR_uA(I) 0 <= I <= 1106 uA */
+	.l3_trip = ADP8860_L3_COMP_CURR_uA(43),		/* use L3_COMP_CURR_uA(I) 0 <= I <= 138 uA */
+	.l3_hyst = ADP8860_L3_COMP_CURR_uA(11),		/* use L3_COMP_CURR_uA(I) 0 <= I <= 138 uA */
+
+	.leds = adp8860_leds,
+	.num_leds = ARRAY_SIZE(adp8860_leds),
+	.led_fade_law = ADP8860_FADE_LAW_SQUARE,	/* fade-on/fade-off transfer characteristic */
+	.led_fade_in = ADP8860_FADE_T_600ms,
+	.led_fade_out = ADP8860_FADE_T_600ms,
+	.led_on_time = ADP8860_LED_ONT_200ms,
+};
+#endif
+
+#if defined(CONFIG_REGULATOR_AD5398) || defined(CONFIG_REGULATOR_AD5398_MODULE)
+static struct regulator_consumer_supply ad5398_consumer = {
+	.supply = "current",
+};
+
+static struct regulator_init_data ad5398_regulator_data = {
+	.constraints = {
+		.name = "current range",
+		.max_uA = 120000,
+		.valid_ops_mask = REGULATOR_CHANGE_CURRENT | REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies = 1,
+	.consumer_supplies     = &ad5398_consumer,
+};
+
+static struct ad5398_platform_data ad5398_i2c_platform_data = {
+	.current_bits = 10,
+	.current_offset = 4,
+	.regulator_data = &ad5398_regulator_data,
+};
+
+#if defined(CONFIG_REGULATOR_VIRTUAL_CONSUMER) || \
+	defined(CONFIG_REGULATOR_VIRTUAL_CONSUMER_MODULE)
+static struct platform_device ad5398_virt_consumer_device = {
+	.name = "reg-virt-consumer",
+	.id = 0,
+	.dev = {
+		.platform_data = "current", /* Passed to driver */
+	},
+};
+#endif
+#if defined(CONFIG_REGULATOR_USERSPACE_CONSUMER) || \
+	defined(CONFIG_REGULATOR_USERSPACE_CONSUMER_MODULE)
+static struct regulator_bulk_data ad5398_bulk_data = {
+	.supply = "current",
+};
+
+static struct regulator_userspace_consumer_data ad5398_userspace_comsumer_data = {
+	.name = "ad5398",
+	.num_supplies = 1,
+	.supplies = &ad5398_bulk_data,
+};
+
+static struct platform_device ad5398_userspace_consumer_device = {
+	.name = "reg-userspace-consumer",
+	.id = 0,
+	.dev = {
+		.platform_data = &ad5398_userspace_comsumer_data,
+	},
+};
+#endif
+#endif
+
 static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 #if defined(CONFIG_INPUT_AD714X_I2C) || defined(CONFIG_INPUT_AD714X_I2C_MODULE)
 	{
@@ -1524,6 +1818,52 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 		.platform_data = (void *)&ad7142_i2c_platform_data,
 	},
 #endif
+
+#if defined(CONFIG_AD7150) || defined(CONFIG_AD7150_MODULE)
+	{
+		I2C_BOARD_INFO("ad7150", 0x48),
+		.irq = IRQ_PG5, /* fixme: use real interrupt number */
+	},
+#endif
+
+#if defined(CONFIG_AD7152) || defined(CONFIG_AD7152_MODULE)
+	{
+		I2C_BOARD_INFO("ad7152", 0x48),
+	},
+#endif
+
+#if defined(CONFIG_AD774X) || defined(CONFIG_AD774X_MODULE)
+	{
+		I2C_BOARD_INFO("ad774x", 0x48),
+	},
+#endif
+
+#if defined(CONFIG_AD7414) || defined(CONFIG_AD7414_MODULE)
+	{
+		I2C_BOARD_INFO("ad7414", 0x9),
+		.irq = IRQ_PG5,
+		/*
+		 * platform_data pointer is borrwoed by the driver to
+		 * store custimer defined IRQ ALART level mode.
+		 * only IRQF_TRIGGER_HIGH and IRQF_TRIGGER_LOW are valid.
+		 */
+		.platform_data = (void *)IRQF_TRIGGER_LOW,
+	},
+#endif
+
+#if defined(CONFIG_AD7416) || defined(CONFIG_AD7416_MODULE)
+	{
+		I2C_BOARD_INFO("ad7417", 0xb),
+		.irq = IRQ_PG5,
+		/*
+		 * platform_data pointer is borrwoed by the driver to
+		 * store custimer defined IRQ ALART level mode.
+		 * only IRQF_TRIGGER_HIGH and IRQF_TRIGGER_LOW are valid.
+		 */
+		.platform_data = (void *)IRQF_TRIGGER_LOW,
+	},
+#endif
+
 #if defined(CONFIG_BFIN_TWI_LCD) || defined(CONFIG_BFIN_TWI_LCD_MODULE)
 	{
 		I2C_BOARD_INFO("pcf8574_lcd", 0x22),
@@ -1595,24 +1935,105 @@ static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
 		I2C_BOARD_INFO("adau1761", 0x38),
 	},
 #endif
+#if defined(CONFIG_SND_SOC_ADAU1361) || defined(CONFIG_SND_SOC_ADAU1361_MODULE)
+	{
+		I2C_BOARD_INFO("adau1361", 0x38),
+	},
+#endif
 #if defined(CONFIG_AD525X_DPOT) || defined(CONFIG_AD525X_DPOT_MODULE)
 	{
 		I2C_BOARD_INFO("ad5258", 0x18),
 	},
 #endif
+#if defined(CONFIG_SND_SOC_SSM2602) || defined(CONFIG_SND_SOC_SSM2602_MODULE)
+	{
+		I2C_BOARD_INFO("ssm2602", 0x1b),
+	},
+#endif
+#if defined(CONFIG_REGULATOR_AD5398) || defined(CONFIG_REGULATOR_AD5398_MODULE)
+	{
+		I2C_BOARD_INFO("ad5398", 0xC),
+		.platform_data = (void *)&ad5398_i2c_platform_data,
+	},
+#endif
+#if defined(CONFIG_BACKLIGHT_ADP8860) || defined(CONFIG_BACKLIGHT_ADP8860_MODULE)
+	{
+		I2C_BOARD_INFO("adp8860", 0x2A),
+		.platform_data = (void *)&adp8860_pdata,
+	},
+#endif
 };
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
 static struct platform_device bfin_sport0_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
 };
 
 static struct platform_device bfin_sport1_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 #define CF_IDE_NAND_CARD_USE_HDD_INTERFACE
@@ -1701,13 +2122,121 @@ static struct platform_device bfin_dpmc = {
 	},
 };
 
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+static struct platform_device bfin_i2s = {
+	.name = "bfin-i2s",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
 static struct platform_device bfin_tdm = {
 	.name = "bfin-tdm",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
 	/* TODO: add platform data here */
 };
 #endif
 
+#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
+static struct platform_device bfin_ac97 = {
+	.name = "bfin-ac97",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
+#if defined(CONFIG_REGULATOR_ADP_SWITCH) || defined(CONFIG_REGULATOR_ADP_SWITCH_MODULE)
+#define REGULATOR_ADP122        "adp122"
+#define REGULATOR_ADP150        "adp150"
+
+static struct regulator_consumer_supply adp122_consumers = {
+		.supply = REGULATOR_ADP122,
+};
+
+static struct regulator_consumer_supply adp150_consumers = {
+		.supply = REGULATOR_ADP150,
+};
+
+static struct regulator_init_data adp_switch_regulator_data[] = {
+	{
+		.constraints = {
+			.name = REGULATOR_ADP122,
+			.valid_ops_mask = REGULATOR_CHANGE_STATUS,
+			.min_uA = 0,
+			.max_uA = 300000,
+		},
+		.num_consumer_supplies = 1,	/* only 1 */
+		.consumer_supplies     = &adp122_consumers,
+		.driver_data	       = (void *)GPIO_PF2, /* gpio port only */
+	},
+	{
+		.constraints = {
+			.name = REGULATOR_ADP150,
+			.valid_ops_mask = REGULATOR_CHANGE_STATUS,
+			.min_uA = 0,
+			.max_uA = 150000,
+		},
+		.num_consumer_supplies = 1,	/* only 1 */
+		.consumer_supplies     = &adp150_consumers,
+		.driver_data	       = (void *)GPIO_PF3, /* gpio port only */
+	},
+};
+
+static struct adp_switch_platform_data adp_switch_pdata = {
+	.regulator_num = ARRAY_SIZE(adp_switch_regulator_data),
+	.regulator_data = adp_switch_regulator_data,
+};
+
+static struct platform_device adp_switch_device = {
+	.name = "adp_switch",
+	.id = 0,
+	.dev = {
+		.platform_data = &adp_switch_pdata,
+	},
+};
+
+#if defined(CONFIG_REGULATOR_USERSPACE_CONSUMER) || \
+	defined(CONFIG_REGULATOR_USERSPACE_CONSUMER_MODULE)
+static struct regulator_bulk_data adp122_bulk_data = {
+	.supply = REGULATOR_ADP122,
+};
+
+static struct regulator_userspace_consumer_data adp122_userspace_comsumer_data = {
+	.name = REGULATOR_ADP122,
+	.num_supplies = 1,
+	.supplies = &adp122_bulk_data,
+};
+
+static struct platform_device adp122_userspace_consumer_device = {
+	.name = "reg-userspace-consumer",
+	.id = 0,
+	.dev = {
+		.platform_data = &adp122_userspace_comsumer_data,
+	},
+};
+
+static struct regulator_bulk_data adp150_bulk_data = {
+	.supply = REGULATOR_ADP150,
+};
+
+static struct regulator_userspace_consumer_data adp150_userspace_comsumer_data = {
+	.name = REGULATOR_ADP150,
+	.num_supplies = 1,
+	.supplies = &adp150_bulk_data,
+};
+
+static struct platform_device adp150_userspace_consumer_device = {
+	.name = "reg-userspace-consumer",
+	.id = 1,
+	.dev = {
+		.platform_data = &adp150_userspace_comsumer_data,
+	},
+};
+#endif
+#endif
+
+
 static struct platform_device *stamp_devices[] __initdata = {
 
 	&bfin_dpmc,
@@ -1771,7 +2300,12 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -1788,9 +2322,13 @@ static struct platform_device *stamp_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 	&bfin_sport1_uart_device,
 #endif
+#endif
 
 #if defined(CONFIG_PATA_PLATFORM) || defined(CONFIG_PATA_PLATFORM_MODULE)
 	&bfin_pata_device,
@@ -1808,18 +2346,46 @@ static struct platform_device *stamp_devices[] __initdata = {
 	&stamp_flash_device,
 #endif
 
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+	&bfin_i2s,
+#endif
+
 #if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
 	&bfin_tdm,
 #endif
+
+#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
+	&bfin_ac97,
+#endif
+#if defined(CONFIG_REGULATOR_AD5398) || defined(CONFIG_REGULATOR_AD5398_MODULE)
+#if defined(CONFIG_REGULATOR_VIRTUAL_CONSUMER) || \
+	defined(CONFIG_REGULATOR_VIRTUAL_CONSUMER_MODULE)
+	&ad5398_virt_consumer_device,
+#endif
+#if defined(CONFIG_REGULATOR_USERSPACE_CONSUMER) || \
+	defined(CONFIG_REGULATOR_USERSPACE_CONSUMER_MODULE)
+	&ad5398_userspace_consumer_device,
+#endif
+#endif
+
+#if defined(CONFIG_REGULATOR_ADP_SWITCH) || defined(CONFIG_REGULATOR_ADP_SWITCH_MODULE)
+	&adp_switch_device,
+#if defined(CONFIG_REGULATOR_USERSPACE_CONSUMER) || \
+	defined(CONFIG_REGULATOR_USERSPACE_CONSUMER_MODULE)
+	&adp122_userspace_consumer_device,
+	&adp150_userspace_consumer_device,
+#endif
+#endif
 };
 
 static int __init stamp_init(void)
 {
 	printk(KERN_INFO "%s(): registering device resources\n", __func__);
-	i2c_register_board_info(0, bfin_i2c_board_info,
-				ARRAY_SIZE(bfin_i2c_board_info));
 	bfin_plat_nand_init();
+	adf702x_mac_init();
 	platform_add_devices(stamp_devices, ARRAY_SIZE(stamp_devices));
+	i2c_register_board_info(0, bfin_i2c_board_info,
+				ARRAY_SIZE(bfin_i2c_board_info));
 	spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
 
 	return 0;
@@ -1827,6 +2393,34 @@ static int __init stamp_init(void)
 
 arch_initcall(stamp_init);
 
+
+static struct platform_device *stamp_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(stamp_early_devices,
+		ARRAY_SIZE(stamp_early_devices));
+}
+
 void native_machine_restart(char *cmd)
 {
 	/* workaround reboot hang when booting from SPI */
diff --git a/arch/blackfin/mach-bf537/boards/tcm_bf537.c b/arch/blackfin/mach-bf537/boards/tcm_bf537.c
index 57163b65a4f5..4f0a2e72ce4c 100644
--- a/arch/blackfin/mach-bf537/boards/tcm_bf537.c
+++ b/arch/blackfin/mach-bf537/boards/tcm_bf537.c
@@ -74,7 +74,7 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
@@ -113,7 +113,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	},
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 	{
 		.modalias = "ad1836",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
@@ -327,25 +327,93 @@ static struct platform_device cm_flash_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
-	}, {
-		.start = 0xFFC02000,
-		.end = 0xFFC020FF,
+	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
+	{
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
 };
 
-static struct platform_device bfin_uart_device = {
+static struct platform_device bfin_uart1_device = {
 	.name = "bfin-uart",
 	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -425,16 +493,75 @@ static struct platform_device i2c_bfin_twi_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
 static struct platform_device bfin_sport0_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
 };
 
 static struct platform_device bfin_sport1_uart_device = {
 	.name = "bfin-sport-uart",
 	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
 static struct platform_device bfin_mii_bus = {
@@ -524,7 +651,12 @@ static struct platform_device *cm_bf537_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -541,9 +673,13 @@ static struct platform_device *cm_bf537_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 	&bfin_sport1_uart_device,
 #endif
+#endif
 
 #if defined(CONFIG_USB_ISP1362_HCD) || defined(CONFIG_USB_ISP1362_HCD_MODULE)
 	&isp1362_hcd_device,
@@ -591,6 +727,33 @@ static int __init tcm_bf537_init(void)
 
 arch_initcall(tcm_bf537_init);
 
+static struct platform_device *cm_bf537_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(cm_bf537_early_devices,
+		ARRAY_SIZE(cm_bf537_early_devices));
+}
+
 void bfin_get_ether_addr(char *addr)
 {
 	random_ether_addr(addr);
diff --git a/arch/blackfin/mach-bf537/include/mach/irq.h b/arch/blackfin/mach-bf537/include/mach/irq.h
index 0defa9457e7f..789a4f226f7b 100644
--- a/arch/blackfin/mach-bf537/include/mach/irq.h
+++ b/arch/blackfin/mach-bf537/include/mach/irq.h
@@ -134,7 +134,17 @@
 
 #define GPIO_IRQ_BASE	IRQ_PF0
 
-#define NR_IRQS     (IRQ_PH15+1)
+#define IRQ_MAC_PHYINT		98 /* PHY_INT Interrupt */
+#define IRQ_MAC_MMCINT		99 /* MMC Counter Interrupt */
+#define IRQ_MAC_RXFSINT		100 /* RX Frame-Status Interrupt */
+#define IRQ_MAC_TXFSINT		101 /* TX Frame-Status Interrupt */
+#define IRQ_MAC_WAKEDET		102 /* Wake-Up Interrupt */
+#define IRQ_MAC_RXDMAERR	103 /* RX DMA Direction Error Interrupt */
+#define IRQ_MAC_TXDMAERR	104 /* TX DMA Direction Error Interrupt */
+#define IRQ_MAC_STMDONE		105 /* Station Mgt. Transfer Done Interrupt */
+
+#define NR_MACH_IRQS	(IRQ_MAC_STMDONE + 1)
+#define NR_IRQS		(NR_MACH_IRQS + NR_SPARE_IRQS)
 
 #define IVG7            7
 #define IVG8            8
diff --git a/arch/blackfin/mach-bf538/boards/ezkit.c b/arch/blackfin/mach-bf538/boards/ezkit.c
index c296bb1ed503..1a1f65855b03 100644
--- a/arch/blackfin/mach-bf538/boards/ezkit.c
+++ b/arch/blackfin/mach-bf538/boards/ezkit.c
@@ -41,37 +41,148 @@ static struct platform_device rtc_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
 #ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = UART0_THR,
+		.end = UART0_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+#ifdef CONFIG_BFIN_UART0_CTSRTS
+	{	/* CTS pin */
+		.start = GPIO_PG7,
+		.end = GPIO_PG7,
+		.flags = IORESOURCE_IO,
+	},
+	{	/* RTS pin */
+		.start = GPIO_PG6,
+		.end = GPIO_PG6,
+		.flags = IORESOURCE_IO,
+	},
+#endif
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
 	{
-		.start = 0xFFC02000,
-		.end = 0xFFC020FF,
+		.start = UART1_THR,
+		.end = UART1_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX, 0
+};
+
+static struct platform_device bfin_uart1_device = {
+	.name = "bfin-uart",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
+};
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART2
+static struct resource bfin_uart2_resources[] = {
 	{
-		.start = 0xFFC02100,
-		.end = 0xFFC021FF,
+		.start = UART2_THR,
+		.end = UART2_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
-#endif
+	{
+		.start = IRQ_UART2_RX,
+		.end = IRQ_UART2_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART2_ERROR,
+		.end = IRQ_UART2_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART2_TX,
+		.end = CH_UART2_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART2_RX,
+		.end = CH_UART2_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart2_peripherals[] = {
+	P_UART2_TX, P_UART2_RX, 0
 };
 
-static struct platform_device bfin_uart_device = {
+static struct platform_device bfin_uart2_device = {
 	.name = "bfin-uart",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.id = 2,
+	.num_resources = ARRAY_SIZE(bfin_uart2_resources),
+	.resource = bfin_uart2_resources,
+	.dev = {
+		.platform_data = &bfin_uart2_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -151,6 +262,145 @@ static struct platform_device bfin_sir2_device = {
 #endif
 #endif
 
+#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
+static struct platform_device bfin_sport0_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
+};
+
+static struct platform_device bfin_sport1_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
+static struct resource bfin_sport2_uart_resources[] = {
+	{
+		.start = SPORT2_TCR1,
+		.end = SPORT2_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT2_RX,
+		.end = IRQ_SPORT2_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT2_ERROR,
+		.end = IRQ_SPORT2_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport2_peripherals[] = {
+	P_SPORT2_TFS, P_SPORT2_DTPRI, P_SPORT2_TSCLK, P_SPORT2_RFS,
+	P_SPORT2_DRPRI, P_SPORT2_RSCLK, P_SPORT2_DRSEC, P_SPORT2_DTSEC, 0
+};
+
+static struct platform_device bfin_sport2_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 2,
+	.num_resources = ARRAY_SIZE(bfin_sport2_uart_resources),
+	.resource = bfin_sport2_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport2_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
+static struct resource bfin_sport3_uart_resources[] = {
+	{
+		.start = SPORT3_TCR1,
+		.end = SPORT3_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT3_RX,
+		.end = IRQ_SPORT3_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT3_ERROR,
+		.end = IRQ_SPORT3_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport3_peripherals[] = {
+	P_SPORT3_TFS, P_SPORT3_DTPRI, P_SPORT3_TSCLK, P_SPORT3_RFS,
+	P_SPORT3_DRPRI, P_SPORT3_RSCLK, P_SPORT3_DRSEC, P_SPORT3_DTSEC, 0
+};
+
+static struct platform_device bfin_sport3_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 3,
+	.num_resources = ARRAY_SIZE(bfin_sport3_uart_resources),
+	.resource = bfin_sport3_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport3_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#endif
+
 #if defined(CONFIG_CAN_BFIN) || defined(CONFIG_CAN_BFIN_MODULE)
 unsigned short bfin_can_peripherals[] = {
 	P_CAN0_RX, P_CAN0_TX, 0
@@ -268,8 +518,8 @@ static const struct ad7879_platform_data bfin_ad7879_ts_info = {
 	.median			= 2,	/* do 8 measurements */
 	.averaging 		= 1,	/* take the average of 4 middle samples */
 	.pen_down_acc_interval 	= 255,	/* 9.4 ms */
-	.gpio_output		= 1,	/* configure AUX/VBAT/GPIO as GPIO output */
-	.gpio_default 		= 1,	/* During initialization set GPIO = HIGH */
+	.gpio_export		= 1,	/* Export GPIO to gpiolib */
+	.gpio_base		= -1,	/* Dynamic allocation */
 };
 #endif
 
@@ -284,9 +534,10 @@ static struct bfin5xx_spi_chip spi_ad7879_chip_info = {
 #include <asm/bfin-lq035q1.h>
 
 static struct bfin_lq035q1fb_disp_info bfin_lq035q1_data = {
-	.mode = 	LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
-	.use_bl = 	0,	/* let something else control the LCD Blacklight */
-	.gpio_bl =	GPIO_PF7,
+	.mode = LQ035_NORM | LQ035_RGB | LQ035_RL | LQ035_TB,
+	.ppi_mode = USE_RGB565_16_BIT_PPI,
+	.use_bl = 0,	/* let something else control the LCD Blacklight */
+	.gpio_bl = GPIO_PF7,
 };
 
 static struct resource bfin_lq035q1_resources[] = {
@@ -622,7 +873,15 @@ static struct platform_device *cm_bf538_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART2
+	&bfin_uart2_device,
+#endif
 #endif
 
 #if defined(CONFIG_SPI_BFIN) || defined(CONFIG_SPI_BFIN_MODULE)
@@ -648,6 +907,21 @@ static struct platform_device *cm_bf538_devices[] __initdata = {
 #endif
 #endif
 
+#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
+	&bfin_sport2_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
+	&bfin_sport3_uart_device,
+#endif
+#endif
+
 #if defined(CONFIG_CAN_BFIN) || defined(CONFIG_CAN_BFIN_MODULE)
 	&bfin_can_device,
 #endif
@@ -683,3 +957,39 @@ static int __init ezkit_init(void)
 }
 
 arch_initcall(ezkit_init);
+
+static struct platform_device *ezkit_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART2
+	&bfin_uart2_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
+	&bfin_sport2_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
+	&bfin_sport3_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(ezkit_early_devices,
+		ARRAY_SIZE(ezkit_early_devices));
+}
diff --git a/arch/blackfin/mach-bf538/include/mach/irq.h b/arch/blackfin/mach-bf538/include/mach/irq.h
index a4b7fcbc556b..7a479d224dc7 100644
--- a/arch/blackfin/mach-bf538/include/mach/irq.h
+++ b/arch/blackfin/mach-bf538/include/mach/irq.h
@@ -110,7 +110,8 @@
 
 #define GPIO_IRQ_BASE	IRQ_PF0
 
-#define NR_IRQS     (IRQ_PF15+1)
+#define NR_MACH_IRQS	(IRQ_PF15 + 1)
+#define NR_IRQS		(NR_MACH_IRQS + NR_SPARE_IRQS)
 
 #define IVG7            7
 #define IVG8            8
diff --git a/arch/blackfin/mach-bf548/boards/cm_bf548.c b/arch/blackfin/mach-bf548/boards/cm_bf548.c
index ccdcd6da2e9f..f60c333fec66 100644
--- a/arch/blackfin/mach-bf548/boards/cm_bf548.c
+++ b/arch/blackfin/mach-bf548/boards/cm_bf548.c
@@ -127,44 +127,211 @@ static struct platform_device rtc_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
 #ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = UART0_DLL,
+		.end = UART0_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
 	{
-		.start = 0xFFC02000,
-		.end = 0xFFC020FF,
+		.start = UART1_DLL,
+		.end = UART1_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+#ifdef CONFIG_BFIN_UART1_CTSRTS
+	{	/* CTS pin -- 0 means not supported */
+		.start = GPIO_PE10,
+		.end = GPIO_PE10,
+		.flags = IORESOURCE_IO,
+	},
+	{	/* RTS pin -- 0 means not supported */
+		.start = GPIO_PE9,
+		.end = GPIO_PE9,
+		.flags = IORESOURCE_IO,
+	},
+#endif
+};
+
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX,
+#ifdef CONFIG_BFIN_UART1_CTSRTS
+	P_UART1_RTS, P_UART1_CTS,
+#endif
+	0
+};
+
+static struct platform_device bfin_uart1_device = {
+	.name = "bfin-uart",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
+};
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART2
+static struct resource bfin_uart2_resources[] = {
 	{
-		.start = 0xFFC02100,
-		.end = 0xFFC021FF,
+		.start = UART2_DLL,
+		.end = UART2_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART2_RX,
+		.end = IRQ_UART2_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART2_ERROR,
+		.end = IRQ_UART2_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART2_TX,
+		.end = CH_UART2_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART2_RX,
+		.end = CH_UART2_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart2_peripherals[] = {
+	P_UART2_TX, P_UART2_RX, 0
+};
+
+static struct platform_device bfin_uart2_device = {
+	.name = "bfin-uart",
+	.id = 2,
+	.num_resources = ARRAY_SIZE(bfin_uart2_resources),
+	.resource = bfin_uart2_resources,
+	.dev = {
+		.platform_data = &bfin_uart2_peripherals, /* Passed to driver */
+	},
+};
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART3
+static struct resource bfin_uart3_resources[] = {
 	{
-		.start = 0xFFC03100,
-		.end = 0xFFC031FF,
+		.start = UART3_DLL,
+		.end = UART3_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART3_RX,
+		.end = IRQ_UART3_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART3_ERROR,
+		.end = IRQ_UART3_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART3_TX,
+		.end = CH_UART3_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART3_RX,
+		.end = CH_UART3_RX,
+		.flags = IORESOURCE_DMA,
+	},
+#ifdef CONFIG_BFIN_UART3_CTSRTS
+	{	/* CTS pin -- 0 means not supported */
+		.start = GPIO_PB3,
+		.end = GPIO_PB3,
+		.flags = IORESOURCE_IO,
+	},
+	{	/* RTS pin -- 0 means not supported */
+		.start = GPIO_PB2,
+		.end = GPIO_PB2,
+		.flags = IORESOURCE_IO,
+	},
 #endif
 };
 
-static struct platform_device bfin_uart_device = {
+unsigned short bfin_uart3_peripherals[] = {
+	P_UART3_TX, P_UART3_RX,
+#ifdef CONFIG_BFIN_UART3_CTSRTS
+	P_UART3_RTS, P_UART3_CTS,
+#endif
+	0
+};
+
+static struct platform_device bfin_uart3_device = {
 	.name = "bfin-uart",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.id = 3,
+	.num_resources = ARRAY_SIZE(bfin_uart3_resources),
+	.resource = bfin_uart3_resources,
+	.dev = {
+		.platform_data = &bfin_uart3_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -359,6 +526,145 @@ static struct platform_device musb_device = {
 };
 #endif
 
+#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
+static struct platform_device bfin_sport0_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
+};
+
+static struct platform_device bfin_sport1_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
+static struct resource bfin_sport2_uart_resources[] = {
+	{
+		.start = SPORT2_TCR1,
+		.end = SPORT2_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT2_RX,
+		.end = IRQ_SPORT2_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT2_ERROR,
+		.end = IRQ_SPORT2_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport2_peripherals[] = {
+	P_SPORT2_TFS, P_SPORT2_DTPRI, P_SPORT2_TSCLK, P_SPORT2_RFS,
+	P_SPORT2_DRPRI, P_SPORT2_RSCLK, P_SPORT2_DRSEC, P_SPORT2_DTSEC, 0
+};
+
+static struct platform_device bfin_sport2_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 2,
+	.num_resources = ARRAY_SIZE(bfin_sport2_uart_resources),
+	.resource = bfin_sport2_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport2_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
+static struct resource bfin_sport3_uart_resources[] = {
+	{
+		.start = SPORT3_TCR1,
+		.end = SPORT3_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT3_RX,
+		.end = IRQ_SPORT3_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT3_ERROR,
+		.end = IRQ_SPORT3_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport3_peripherals[] = {
+	P_SPORT3_TFS, P_SPORT3_DTPRI, P_SPORT3_TSCLK, P_SPORT3_RFS,
+	P_SPORT3_DRPRI, P_SPORT3_RSCLK, P_SPORT3_DRSEC, P_SPORT3_DTSEC, 0
+};
+
+static struct platform_device bfin_sport3_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 3,
+	.num_resources = ARRAY_SIZE(bfin_sport3_uart_resources),
+	.resource = bfin_sport3_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport3_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#endif
+
 #if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE)
 static struct resource bfin_atapi_resources[] = {
 	{
@@ -752,7 +1058,18 @@ static struct platform_device *cm_bf548_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART2
+	&bfin_uart2_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART3
+	&bfin_uart3_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -782,6 +1099,21 @@ static struct platform_device *cm_bf548_devices[] __initdata = {
 	&musb_device,
 #endif
 
+#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
+	&bfin_sport2_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
+	&bfin_sport3_uart_device,
+#endif
+#endif
+
 #if defined(CONFIG_PATA_BF54X) || defined(CONFIG_PATA_BF54X_MODULE)
 	&bfin_atapi_device,
 #endif
@@ -833,3 +1165,42 @@ static int __init cm_bf548_init(void)
 }
 
 arch_initcall(cm_bf548_init);
+
+static struct platform_device *cm_bf548_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART2
+	&bfin_uart2_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART3
+	&bfin_uart3_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
+	&bfin_sport2_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
+	&bfin_sport3_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(cm_bf548_early_devices,
+		ARRAY_SIZE(cm_bf548_early_devices));
+}
diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index 60193f72777c..06919db00a74 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -232,44 +232,211 @@ static struct platform_device rtc_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
 #ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = UART0_DLL,
+		.end = UART0_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART0_RX,
+		.end = IRQ_UART0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART0_ERROR,
+		.end = IRQ_UART0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART0_TX,
+		.end = CH_UART0_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART0_RX,
+		.end = CH_UART0_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART1
+static struct resource bfin_uart1_resources[] = {
 	{
-		.start = 0xFFC02000,
-		.end = 0xFFC020FF,
+		.start = UART1_DLL,
+		.end = UART1_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART1_RX,
+		.end = IRQ_UART1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART1_ERROR,
+		.end = IRQ_UART1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART1_TX,
+		.end = CH_UART1_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART1_RX,
+		.end = CH_UART1_RX,
+		.flags = IORESOURCE_DMA,
+	},
+#ifdef CONFIG_BFIN_UART1_CTSRTS
+	{	/* CTS pin -- 0 means not supported */
+		.start = GPIO_PE10,
+		.end = GPIO_PE10,
+		.flags = IORESOURCE_IO,
+	},
+	{	/* RTS pin -- 0 means not supported */
+		.start = GPIO_PE9,
+		.end = GPIO_PE9,
+		.flags = IORESOURCE_IO,
+	},
+#endif
+};
+
+unsigned short bfin_uart1_peripherals[] = {
+	P_UART1_TX, P_UART1_RX,
+#ifdef CONFIG_BFIN_UART1_CTSRTS
+	P_UART1_RTS, P_UART1_CTS,
+#endif
+	0
+};
+
+static struct platform_device bfin_uart1_device = {
+	.name = "bfin-uart",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_uart1_resources),
+	.resource = bfin_uart1_resources,
+	.dev = {
+		.platform_data = &bfin_uart1_peripherals, /* Passed to driver */
+	},
+};
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART2
+static struct resource bfin_uart2_resources[] = {
 	{
-		.start = 0xFFC02100,
-		.end = 0xFFC021FF,
+		.start = UART2_DLL,
+		.end = UART2_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART2_RX,
+		.end = IRQ_UART2_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART2_ERROR,
+		.end = IRQ_UART2_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART2_TX,
+		.end = CH_UART2_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART2_RX,
+		.end = CH_UART2_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart2_peripherals[] = {
+	P_UART2_TX, P_UART2_RX, 0
+};
+
+static struct platform_device bfin_uart2_device = {
+	.name = "bfin-uart",
+	.id = 2,
+	.num_resources = ARRAY_SIZE(bfin_uart2_resources),
+	.resource = bfin_uart2_resources,
+	.dev = {
+		.platform_data = &bfin_uart2_peripherals, /* Passed to driver */
+	},
+};
 #endif
 #ifdef CONFIG_SERIAL_BFIN_UART3
+static struct resource bfin_uart3_resources[] = {
 	{
-		.start = 0xFFC03100,
-		.end = 0xFFC031FF,
+		.start = UART3_DLL,
+		.end = UART3_RBR+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART3_RX,
+		.end = IRQ_UART3_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART3_ERROR,
+		.end = IRQ_UART3_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART3_TX,
+		.end = CH_UART3_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART3_RX,
+		.end = CH_UART3_RX,
+		.flags = IORESOURCE_DMA,
+	},
+#ifdef CONFIG_BFIN_UART3_CTSRTS
+	{	/* CTS pin -- 0 means not supported */
+		.start = GPIO_PB3,
+		.end = GPIO_PB3,
+		.flags = IORESOURCE_IO,
+	},
+	{	/* RTS pin -- 0 means not supported */
+		.start = GPIO_PB2,
+		.end = GPIO_PB2,
+		.flags = IORESOURCE_IO,
+	},
 #endif
 };
 
-static struct platform_device bfin_uart_device = {
+unsigned short bfin_uart3_peripherals[] = {
+	P_UART3_TX, P_UART3_RX,
+#ifdef CONFIG_BFIN_UART3_CTSRTS
+	P_UART3_RTS, P_UART3_CTS,
+#endif
+	0
+};
+
+static struct platform_device bfin_uart3_device = {
 	.name = "bfin-uart",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.id = 3,
+	.num_resources = ARRAY_SIZE(bfin_uart3_resources),
+	.resource = bfin_uart3_resources,
+	.dev = {
+		.platform_data = &bfin_uart3_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -464,6 +631,145 @@ static struct platform_device musb_device = {
 };
 #endif
 
+#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+static struct resource bfin_sport0_uart_resources[] = {
+	{
+		.start = SPORT0_TCR1,
+		.end = SPORT0_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT0_RX,
+		.end = IRQ_SPORT0_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT0_ERROR,
+		.end = IRQ_SPORT0_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport0_peripherals[] = {
+	P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
+	P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0
+};
+
+static struct platform_device bfin_sport0_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_sport0_uart_resources),
+	.resource = bfin_sport0_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+static struct resource bfin_sport1_uart_resources[] = {
+	{
+		.start = SPORT1_TCR1,
+		.end = SPORT1_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT1_RX,
+		.end = IRQ_SPORT1_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT1_ERROR,
+		.end = IRQ_SPORT1_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport1_peripherals[] = {
+	P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS,
+	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0
+};
+
+static struct platform_device bfin_sport1_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 1,
+	.num_resources = ARRAY_SIZE(bfin_sport1_uart_resources),
+	.resource = bfin_sport1_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport1_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
+static struct resource bfin_sport2_uart_resources[] = {
+	{
+		.start = SPORT2_TCR1,
+		.end = SPORT2_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT2_RX,
+		.end = IRQ_SPORT2_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT2_ERROR,
+		.end = IRQ_SPORT2_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport2_peripherals[] = {
+	P_SPORT2_TFS, P_SPORT2_DTPRI, P_SPORT2_TSCLK, P_SPORT2_RFS,
+	P_SPORT2_DRPRI, P_SPORT2_RSCLK, P_SPORT2_DRSEC, P_SPORT2_DTSEC, 0
+};
+
+static struct platform_device bfin_sport2_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 2,
+	.num_resources = ARRAY_SIZE(bfin_sport2_uart_resources),
+	.resource = bfin_sport2_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport2_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
+static struct resource bfin_sport3_uart_resources[] = {
+	{
+		.start = SPORT3_TCR1,
+		.end = SPORT3_MRCS3+4,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_SPORT3_RX,
+		.end = IRQ_SPORT3_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_SPORT3_ERROR,
+		.end = IRQ_SPORT3_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+unsigned short bfin_sport3_peripherals[] = {
+	P_SPORT3_TFS, P_SPORT3_DTPRI, P_SPORT3_TSCLK, P_SPORT3_RFS,
+	P_SPORT3_DRPRI, P_SPORT3_RSCLK, P_SPORT3_DRSEC, P_SPORT3_DTSEC, 0
+};
+
+static struct platform_device bfin_sport3_uart_device = {
+	.name = "bfin-sport-uart",
+	.id = 3,
+	.num_resources = ARRAY_SIZE(bfin_sport3_uart_resources),
+	.resource = bfin_sport3_uart_resources,
+	.dev = {
+		.platform_data = &bfin_sport3_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#endif
+
 #if defined(CONFIG_CAN_BFIN) || defined(CONFIG_CAN_BFIN_MODULE)
 unsigned short bfin_can_peripherals[] = {
 	P_CAN0_RX, P_CAN0_TX, 0
@@ -657,8 +963,8 @@ static struct bfin5xx_spi_chip spi_flash_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) \
-	|| defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) \
+	|| defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
@@ -714,8 +1020,8 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 		.mode = SPI_MODE_3,
 	},
 #endif
-#if defined(CONFIG_SND_BLACKFIN_AD1836) \
-	|| defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) \
+	|| defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 	{
 		.modalias = "ad1836",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
@@ -951,6 +1257,30 @@ static struct platform_device bfin_dpmc = {
 	},
 };
 
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+static struct platform_device bfin_i2s = {
+	.name = "bfin-i2s",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
+#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
+static struct platform_device bfin_tdm = {
+	.name = "bfin-tdm",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
+#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
+static struct platform_device bfin_ac97 = {
+	.name = "bfin-ac97",
+	.id = CONFIG_SND_BF5XX_SPORT_NUM,
+	/* TODO: add platform data here */
+};
+#endif
+
 static struct platform_device *ezkit_devices[] __initdata = {
 
 	&bfin_dpmc,
@@ -960,7 +1290,18 @@ static struct platform_device *ezkit_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART2
+	&bfin_uart2_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART3
+	&bfin_uart3_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -994,6 +1335,21 @@ static struct platform_device *ezkit_devices[] __initdata = {
 	&bfin_isp1760_device,
 #endif
 
+#if defined(CONFIG_SERIAL_BFIN_SPORT) || defined(CONFIG_SERIAL_BFIN_SPORT_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
+	&bfin_sport2_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
+	&bfin_sport3_uart_device,
+#endif
+#endif
+
 #if defined(CONFIG_CAN_BFIN) || defined(CONFIG_CAN_BFIN_MODULE)
 	&bfin_can_device,
 #endif
@@ -1037,6 +1393,18 @@ static struct platform_device *ezkit_devices[] __initdata = {
 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 	&ezkit_flash_device,
 #endif
+
+#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE)
+	&bfin_i2s,
+#endif
+
+#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE)
+	&bfin_tdm,
+#endif
+
+#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE)
+	&bfin_ac97,
+#endif
 };
 
 static int __init ezkit_init(void)
@@ -1058,3 +1426,42 @@ static int __init ezkit_init(void)
 }
 
 arch_initcall(ezkit_init);
+
+static struct platform_device *ezkit_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART1
+	&bfin_uart1_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART2
+	&bfin_uart2_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_UART3
+	&bfin_uart3_device,
+#endif
+#endif
+
+#if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
+	&bfin_sport0_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
+	&bfin_sport1_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
+	&bfin_sport2_uart_device,
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
+	&bfin_sport3_uart_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(ezkit_early_devices,
+		ARRAY_SIZE(ezkit_early_devices));
+}
diff --git a/arch/blackfin/mach-bf548/include/mach/irq.h b/arch/blackfin/mach-bf548/include/mach/irq.h
index 106db05684ae..1f99b51a3d56 100644
--- a/arch/blackfin/mach-bf548/include/mach/irq.h
+++ b/arch/blackfin/mach-bf548/include/mach/irq.h
@@ -317,7 +317,8 @@ Events         (highest priority)  EMU         0
 
 #define GPIO_IRQ_BASE	IRQ_PA0
 
-#define NR_IRQS     (IRQ_PJ15+1)
+#define NR_MACH_IRQS	(IRQ_PJ15 + 1)
+#define NR_IRQS		(NR_MACH_IRQS + NR_SPARE_IRQS)
 
 /* For compatibility reasons with existing code */
 
diff --git a/arch/blackfin/mach-bf561/Makefile b/arch/blackfin/mach-bf561/Makefile
index 59e18afe28c6..b34029718318 100644
--- a/arch/blackfin/mach-bf561/Makefile
+++ b/arch/blackfin/mach-bf561/Makefile
@@ -6,3 +6,4 @@ obj-y := ints-priority.o dma.o
 
 obj-$(CONFIG_BF561_COREB) += coreb.o
 obj-$(CONFIG_SMP)  += smp.o secondary.o atomic.o
+obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
diff --git a/arch/blackfin/mach-bf561/boards/acvilon.c b/arch/blackfin/mach-bf561/boards/acvilon.c
index 07e8dc8770da..5163e2c383c5 100644
--- a/arch/blackfin/mach-bf561/boards/acvilon.c
+++ b/arch/blackfin/mach-bf561/boards/acvilon.c
@@ -176,7 +176,7 @@ static struct resource smsc911x_resources[] = {
 };
 
 static struct smsc911x_platform_config smsc911x_config = {
-	.flags = SMSC911X_USE_32BIT,
+	.flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
 	.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 	.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 	.phy_interface = PHY_INTERFACE_MODE_MII,
diff --git a/arch/blackfin/mach-bf561/boards/cm_bf561.c b/arch/blackfin/mach-bf561/boards/cm_bf561.c
index dfc8d5b77986..e127aedc1d7f 100644
--- a/arch/blackfin/mach-bf561/boards/cm_bf561.c
+++ b/arch/blackfin/mach-bf561/boards/cm_bf561.c
@@ -72,7 +72,7 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
 };
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
@@ -111,7 +111,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
 	},
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 	{
 		.modalias = "ad1836",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
@@ -305,21 +305,50 @@ static struct platform_device isp1362_hcd_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = BFIN_UART_THR,
+		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART_RX,
+		.end = IRQ_UART_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART_ERROR,
+		.end = IRQ_UART_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART_TX,
+		.end = CH_UART_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART_RX,
+		.end = CH_UART_RX,
+		.flags = IORESOURCE_DMA,
+	},
 };
 
-static struct platform_device bfin_uart_device = {
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
 	.name = "bfin-uart",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -463,7 +492,9 @@ static struct platform_device *cm_bf561_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -516,3 +547,18 @@ static int __init cm_bf561_init(void)
 }
 
 arch_initcall(cm_bf561_init);
+
+static struct platform_device *cm_bf561_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(cm_bf561_early_devices,
+		ARRAY_SIZE(cm_bf561_early_devices));
+}
diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c b/arch/blackfin/mach-bf561/boards/ezkit.c
index ffd3e6a80d1a..9b93e2f95791 100644
--- a/arch/blackfin/mach-bf561/boards/ezkit.c
+++ b/arch/blackfin/mach-bf561/boards/ezkit.c
@@ -160,21 +160,50 @@ static struct platform_device smc91x_device = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
 	{
-		.start = 0xFFC00400,
-		.end = 0xFFC004FF,
+		.start = BFIN_UART_THR,
+		.end = BFIN_UART_GCTL+2,
 		.flags = IORESOURCE_MEM,
 	},
+	{
+		.start = IRQ_UART_RX,
+		.end = IRQ_UART_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART_ERROR,
+		.end = IRQ_UART_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART_TX,
+		.end = CH_UART_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART_RX,
+		.end = CH_UART_RX,
+		.flags = IORESOURCE_DMA,
+	},
 };
 
-static struct platform_device bfin_uart_device = {
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
 	.name = "bfin-uart",
-	.id = 1,
-	.num_resources = ARRAY_SIZE(bfin_uart_resources),
-	.resource = bfin_uart_resources,
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
 };
 #endif
+#endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
@@ -245,8 +274,8 @@ static struct platform_device ezkit_flash_device = {
 };
 #endif
 
-#if defined(CONFIG_SND_BLACKFIN_AD1836) \
-	|| defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) \
+	|| defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
 	.enable_dma = 0,
 	.bits_per_word = 16,
@@ -299,8 +328,8 @@ static struct platform_device bfin_spi0_device = {
 #endif
 
 static struct spi_board_info bfin_spi_board_info[] __initdata = {
-#if defined(CONFIG_SND_BLACKFIN_AD1836) \
-	|| defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) \
+	|| defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
 	{
 		.modalias = "ad1836",
 		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
@@ -412,7 +441,9 @@ static struct platform_device *ezkit_devices[] __initdata = {
 #endif
 
 #if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-	&bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
 #endif
 
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -458,3 +489,18 @@ static int __init ezkit_init(void)
 }
 
 arch_initcall(ezkit_init);
+
+static struct platform_device *ezkit_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(ezkit_early_devices,
+		ARRAY_SIZE(ezkit_early_devices));
+}
diff --git a/arch/blackfin/mach-bf561/boards/tepla.c b/arch/blackfin/mach-bf561/boards/tepla.c
index 8ba7252455e1..d3017e53686b 100644
--- a/arch/blackfin/mach-bf561/boards/tepla.c
+++ b/arch/blackfin/mach-bf561/boards/tepla.c
@@ -42,6 +42,52 @@ static struct platform_device smc91x_device = {
 	.resource      = smc91x_resources,
 };
 
+#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
+	{
+		.start = BFIN_UART_THR,
+		.end = BFIN_UART_GCTL+2,
+		.flags = IORESOURCE_MEM,
+	},
+	{
+		.start = IRQ_UART_RX,
+		.end = IRQ_UART_RX+1,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = IRQ_UART_ERROR,
+		.end = IRQ_UART_ERROR,
+		.flags = IORESOURCE_IRQ,
+	},
+	{
+		.start = CH_UART_TX,
+		.end = CH_UART_TX,
+		.flags = IORESOURCE_DMA,
+	},
+	{
+		.start = CH_UART_RX,
+		.end = CH_UART_RX,
+		.flags = IORESOURCE_DMA,
+	},
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+	P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+	.name = "bfin-uart",
+	.id = 0,
+	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
+	.resource = bfin_uart0_resources,
+	.dev = {
+		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+	},
+};
+#endif
+#endif
+
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
 static struct resource bfin_sir0_resources[] = {
@@ -73,6 +119,13 @@ static struct platform_device bfin_sir0_device = {
 
 static struct platform_device *tepla_devices[] __initdata = {
 	&smc91x_device,
+
+#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#endif
+
 #if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
 #ifdef CONFIG_BFIN_SIR0
 	&bfin_sir0_device,
@@ -87,3 +140,18 @@ static int __init tepla_init(void)
 }
 
 arch_initcall(tepla_init);
+
+static struct platform_device *tepla_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+	&bfin_uart0_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+	printk(KERN_INFO "register early platform devices\n");
+	early_platform_add_devices(tepla_early_devices,
+		ARRAY_SIZE(tepla_early_devices));
+}
diff --git a/arch/blackfin/mach-bf561/hotplug.c b/arch/blackfin/mach-bf561/hotplug.c
new file mode 100644
index 000000000000..c95169b612dc
--- /dev/null
+++ b/arch/blackfin/mach-bf561/hotplug.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2007-2009 Analog Devices Inc.
+ *               Graff Yang <graf.yang@analog.com>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <asm/blackfin.h>
+#include <asm/smp.h>
+#define SIC_SYSIRQ(irq)	(irq - (IRQ_CORETMR + 1))
+
+int hotplug_coreb;
+
+void platform_cpu_die(void)
+{
+	unsigned long iwr[2] = {0, 0};
+	unsigned long bank = SIC_SYSIRQ(IRQ_SUPPLE_0) / 32;
+	unsigned long bit = 1 << (SIC_SYSIRQ(IRQ_SUPPLE_0) % 32);
+
+	hotplug_coreb = 1;
+
+	iwr[bank] = bit;
+
+	/* disable core timer */
+	bfin_write_TCNTL(0);
+
+	/* clear ipi interrupt IRQ_SUPPLE_0 */
+	bfin_write_SICB_SYSCR(bfin_read_SICB_SYSCR() | (1 << (10 + 1)));
+	SSYNC();
+
+	coreb_sleep(iwr[0], iwr[1], 0);
+}
diff --git a/arch/blackfin/mach-bf561/include/mach/irq.h b/arch/blackfin/mach-bf561/include/mach/irq.h
index 7b208db267bf..c95566ade51b 100644
--- a/arch/blackfin/mach-bf561/include/mach/irq.h
+++ b/arch/blackfin/mach-bf561/include/mach/irq.h
@@ -265,7 +265,8 @@
 
 #define GPIO_IRQ_BASE		IRQ_PF0
 
-#define NR_IRQS			(IRQ_PF47 + 1)
+#define NR_MACH_IRQS		(IRQ_PF47 + 1)
+#define NR_IRQS			(NR_MACH_IRQS + NR_SPARE_IRQS)
 
 #define IVG7			7
 #define IVG8			8
diff --git a/arch/blackfin/mach-bf561/include/mach/smp.h b/arch/blackfin/mach-bf561/include/mach/smp.h
index 390c7f4ae7b3..2c8c514dd386 100644
--- a/arch/blackfin/mach-bf561/include/mach/smp.h
+++ b/arch/blackfin/mach-bf561/include/mach/smp.h
@@ -25,4 +25,6 @@ void platform_send_ipi_cpu(unsigned int cpu);
 
 void platform_clear_ipi(unsigned int cpu);
 
+void bfin_local_timer_setup(void);
+
 #endif /* !_MACH_BF561_SMP */
diff --git a/arch/blackfin/mach-bf561/secondary.S b/arch/blackfin/mach-bf561/secondary.S
index 8e6050369c06..4624eebbf9c4 100644
--- a/arch/blackfin/mach-bf561/secondary.S
+++ b/arch/blackfin/mach-bf561/secondary.S
@@ -11,6 +11,7 @@
 #include <linux/init.h>
 #include <asm/blackfin.h>
 #include <asm/asm-offsets.h>
+#include <asm/trace.h>
 
 __INIT
 
@@ -62,6 +63,8 @@ ENTRY(_coreb_trampoline_start)
 	M2 = r0;
 	M3 = r0;
 
+	trace_buffer_init(p0,r0);
+
 	/* Turn off the icache */
 	p0.l = LO(IMEM_CONTROL);
 	p0.h = HI(IMEM_CONTROL);
@@ -159,6 +162,41 @@ ENTRY(_coreb_trampoline_start)
 ENDPROC(_coreb_trampoline_start)
 ENTRY(_coreb_trampoline_end)
 
+.section ".text"
+ENTRY(_set_sicb_iwr)
+	P0.H = hi(SICB_IWR0);
+	P0.L = lo(SICB_IWR0);
+	P1.H = hi(SICB_IWR1);
+	P1.L = lo(SICB_IWR1);
+	[P0] = R0;
+	[P1] = R1;
+	SSYNC;
+	RTS;
+ENDPROC(_set_sicb_iwr)
+
+ENTRY(_coreb_sleep)
+	sp.l = lo(INITIAL_STACK);
+	sp.h = hi(INITIAL_STACK);
+	fp = sp;
+	usp = sp;
+
+	call _set_sicb_iwr;
+
+	CLI R2;
+	SSYNC;
+	IDLE;
+	STI R2;
+
+	R0 = IWR_DISABLE_ALL;
+	R1 = IWR_DISABLE_ALL;
+	call _set_sicb_iwr;
+
+	p0.h = hi(COREB_L1_CODE_START);
+	p0.l = lo(COREB_L1_CODE_START);
+	jump (p0);
+ENDPROC(_coreb_sleep)
+
+__CPUINIT
 ENTRY(_coreb_start)
 	[--sp] = reti;
 
@@ -176,12 +214,20 @@ ENTRY(_coreb_start)
 	sp = [p0];
 	usp = sp;
 	fp = sp;
+#ifdef CONFIG_HOTPLUG_CPU
+	p0.l = _hotplug_coreb;
+	p0.h = _hotplug_coreb;
+	r0 = [p0];
+	cc = BITTST(r0, 0);
+	if cc jump 3f;
+#endif
 	sp += -12;
 	call _init_pda
 	sp += 12;
+#ifdef CONFIG_HOTPLUG_CPU
+3:
+#endif
 	call _secondary_start_kernel;
 .L_exit:
 	jump.s	.L_exit;
 ENDPROC(_coreb_start)
-
-__FINIT
diff --git a/arch/blackfin/mach-bf561/smp.c b/arch/blackfin/mach-bf561/smp.c
index 0192532e96a2..3b9a4bf7dacc 100644
--- a/arch/blackfin/mach-bf561/smp.c
+++ b/arch/blackfin/mach-bf561/smp.c
@@ -11,11 +11,10 @@
 #include <linux/delay.h>
 #include <asm/smp.h>
 #include <asm/dma.h>
+#include <asm/time.h>
 
 static DEFINE_SPINLOCK(boot_lock);
 
-static cpumask_t cpu_callin_map;
-
 /*
  * platform_init_cpus() - Tell the world about how many cores we
  * have. This is called while setting up the architecture support
@@ -66,13 +65,15 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
 	bfin_write_SICB_IAR5(bfin_read_SICA_IAR5());
 	bfin_write_SICB_IAR6(bfin_read_SICA_IAR6());
 	bfin_write_SICB_IAR7(bfin_read_SICA_IAR7());
+	bfin_write_SICB_IWR0(IWR_DISABLE_ALL);
+	bfin_write_SICB_IWR1(IWR_DISABLE_ALL);
 	SSYNC();
 
 	/* Store CPU-private information to the cpu_data array. */
 	bfin_setup_cpudata(cpu);
 
 	/* We are done with local CPU inits, unblock the boot CPU. */
-	cpu_set(cpu, cpu_callin_map);
+	set_cpu_online(cpu, true);
 	spin_lock(&boot_lock);
 	spin_unlock(&boot_lock);
 }
@@ -81,28 +82,28 @@ int __cpuinit platform_boot_secondary(unsigned int cpu, struct task_struct *idle
 {
 	unsigned long timeout;
 
-	/* CoreB already running?! */
-	BUG_ON((bfin_read_SICA_SYSCR() & COREB_SRAM_INIT) == 0);
-
 	printk(KERN_INFO "Booting Core B.\n");
 
 	spin_lock(&boot_lock);
 
-	/* Kick CoreB, which should start execution from CORE_SRAM_BASE. */
-	SSYNC();
-	bfin_write_SICA_SYSCR(bfin_read_SICA_SYSCR() & ~COREB_SRAM_INIT);
-	SSYNC();
+	if ((bfin_read_SICA_SYSCR() & COREB_SRAM_INIT) == 0) {
+		/* CoreB already running, sending ipi to wakeup it */
+		platform_send_ipi_cpu(cpu, IRQ_SUPPLE_0);
+	} else {
+		/* Kick CoreB, which should start execution from CORE_SRAM_BASE. */
+		bfin_write_SICA_SYSCR(bfin_read_SICA_SYSCR() & ~COREB_SRAM_INIT);
+		SSYNC();
+	}
 
 	timeout = jiffies + 1 * HZ;
 	while (time_before(jiffies, timeout)) {
-		if (cpu_isset(cpu, cpu_callin_map))
+		if (cpu_online(cpu))
 			break;
 		udelay(100);
 		barrier();
 	}
 
-	if (cpu_isset(cpu, cpu_callin_map)) {
-		cpu_set(cpu, cpu_online_map);
+	if (cpu_online(cpu)) {
 		/* release the lock and let coreb run */
 		spin_unlock(&boot_lock);
 		return 0;
@@ -147,3 +148,20 @@ void platform_clear_ipi(unsigned int cpu)
 	bfin_write_SICB_SYSCR(bfin_read_SICB_SYSCR() | (1 << (10 + cpu)));
 	SSYNC();
 }
+
+/*
+ * Setup core B's local core timer.
+ * In SMP, core timer is used for clock event device.
+ */
+void __cpuinit bfin_local_timer_setup(void)
+{
+#if defined(CONFIG_TICKSOURCE_CORETMR)
+	bfin_coretmr_init();
+	bfin_coretmr_clockevent_init();
+	get_irq_chip(IRQ_CORETMR)->unmask(IRQ_CORETMR);
+#else
+	/* Power down the core timer, just to play safe. */
+	bfin_write_TCNTL(0);
+#endif
+
+}
diff --git a/arch/blackfin/mach-common/cpufreq.c b/arch/blackfin/mach-common/cpufreq.c
index 777582897253..4391d03dc845 100644
--- a/arch/blackfin/mach-common/cpufreq.c
+++ b/arch/blackfin/mach-common/cpufreq.c
@@ -11,10 +11,13 @@
 #include <linux/init.h>
 #include <linux/cpufreq.h>
 #include <linux/fs.h>
+#include <linux/delay.h>
 #include <asm/blackfin.h>
 #include <asm/time.h>
 #include <asm/dpmc.h>
 
+#define CPUFREQ_CPU 0
+
 /* this is the table of CCLK frequencies, in Hz */
 /* .index is the entry in the auxillary dpm_state_table[] */
 static struct cpufreq_frequency_table bfin_freq_table[] = {
@@ -41,64 +44,124 @@ static struct bfin_dpm_state {
 	unsigned int tscale; /* change the divider on the core timer interrupt */
 } dpm_state_table[3];
 
+#if defined(CONFIG_CYCLES_CLOCKSOURCE)
 /*
-   normalized to maximum frequncy offset for CYCLES,
-   used in time-ts cycles clock source, but could be used
-   somewhere also.
+ * normalized to maximum frequncy offset for CYCLES,
+ * used in time-ts cycles clock source, but could be used
+ * somewhere also.
  */
 unsigned long long __bfin_cycles_off;
 unsigned int __bfin_cycles_mod;
+#endif
 
 /**************************************************************************/
+static void __init bfin_init_tables(unsigned long cclk, unsigned long sclk)
+{
 
-static unsigned int bfin_getfreq_khz(unsigned int cpu)
+	unsigned long csel, min_cclk;
+	int index;
+
+	/* Anomaly 273 seems to still exist on non-BF54x w/dcache turned on */
+#if ANOMALY_05000273 || ANOMALY_05000274 || \
+	(!defined(CONFIG_BF54x) && defined(CONFIG_BFIN_EXTMEM_DCACHEABLE))
+	min_cclk = sclk * 2;
+#else
+	min_cclk = sclk;
+#endif
+	csel = ((bfin_read_PLL_DIV() & CSEL) >> 4);
+
+	for (index = 0;  (cclk >> index) >= min_cclk && csel <= 3; index++, csel++) {
+		bfin_freq_table[index].frequency = cclk >> index;
+		dpm_state_table[index].csel = csel << 4; /* Shift now into PLL_DIV bitpos */
+		dpm_state_table[index].tscale =  (TIME_SCALE / (1 << csel)) - 1;
+
+		pr_debug("cpufreq: freq:%d csel:0x%x tscale:%d\n",
+						 bfin_freq_table[index].frequency,
+						 dpm_state_table[index].csel,
+						 dpm_state_table[index].tscale);
+	}
+	return;
+}
+
+static void bfin_adjust_core_timer(void *info)
 {
-	/* The driver only support single cpu */
-	if (cpu != 0)
-		return -1;
+	unsigned int tscale;
+	unsigned int index = *(unsigned int *)info;
 
-	return get_cclk() / 1000;
+	/* we have to adjust the core timer, because it is using cclk */
+	tscale = dpm_state_table[index].tscale;
+	bfin_write_TSCALE(tscale);
+	return;
 }
 
+static unsigned int bfin_getfreq_khz(unsigned int cpu)
+{
+	/* Both CoreA/B have the same core clock */
+	return get_cclk() / 1000;
+}
 
-static int bfin_target(struct cpufreq_policy *policy,
+static int bfin_target(struct cpufreq_policy *poli,
 			unsigned int target_freq, unsigned int relation)
 {
-	unsigned int index, plldiv, tscale;
+	unsigned int index, plldiv, cpu;
 	unsigned long flags, cclk_hz;
 	struct cpufreq_freqs freqs;
+	static unsigned long lpj_ref;
+	static unsigned int  lpj_ref_freq;
+
+#if defined(CONFIG_CYCLES_CLOCKSOURCE)
 	cycles_t cycles;
+#endif
 
-	if (cpufreq_frequency_table_target(policy, bfin_freq_table,
-		 target_freq, relation, &index))
-		return -EINVAL;
-
-	cclk_hz = bfin_freq_table[index].frequency;
-
-	freqs.old = bfin_getfreq_khz(0);
-	freqs.new = cclk_hz;
-	freqs.cpu = 0;
-
-	pr_debug("cpufreq: changing cclk to %lu; target = %u, oldfreq = %u\n",
-		 cclk_hz, target_freq, freqs.old);
-
-	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
-	local_irq_save_hw(flags);
-		plldiv = (bfin_read_PLL_DIV() & SSEL) | dpm_state_table[index].csel;
-		tscale = dpm_state_table[index].tscale;
-		bfin_write_PLL_DIV(plldiv);
-		/* we have to adjust the core timer, because it is using cclk */
-		bfin_write_TSCALE(tscale);
-		cycles = get_cycles();
-		SSYNC();
-	cycles += 10; /* ~10 cycles we lose after get_cycles() */
-	__bfin_cycles_off += (cycles << __bfin_cycles_mod) - (cycles << index);
-	__bfin_cycles_mod = index;
-	local_irq_restore_hw(flags);
-	/* TODO: just test case for cycles clock source, remove later */
-	pr_debug("cpufreq: done\n");
-	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+	for_each_online_cpu(cpu) {
+		struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
+
+		if (!policy)
+			continue;
+
+		if (cpufreq_frequency_table_target(policy, bfin_freq_table,
+				 target_freq, relation, &index))
+			return -EINVAL;
+
+		cclk_hz = bfin_freq_table[index].frequency;
+
+		freqs.old = bfin_getfreq_khz(0);
+		freqs.new = cclk_hz;
+		freqs.cpu = cpu;
+
+		pr_debug("cpufreq: changing cclk to %lu; target = %u, oldfreq = %u\n",
+			 cclk_hz, target_freq, freqs.old);
+
+		cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+		if (cpu == CPUFREQ_CPU) {
+			local_irq_save_hw(flags);
+			plldiv = (bfin_read_PLL_DIV() & SSEL) |
+						dpm_state_table[index].csel;
+			bfin_write_PLL_DIV(plldiv);
+			on_each_cpu(bfin_adjust_core_timer, &index, 1);
+#if defined(CONFIG_CYCLES_CLOCKSOURCE)
+			cycles = get_cycles();
+			SSYNC();
+			cycles += 10; /* ~10 cycles we lose after get_cycles() */
+			__bfin_cycles_off +=
+			    (cycles << __bfin_cycles_mod) - (cycles << index);
+			__bfin_cycles_mod = index;
+#endif
+			if (!lpj_ref_freq) {
+				lpj_ref = loops_per_jiffy;
+				lpj_ref_freq = freqs.old;
+			}
+			if (freqs.new != freqs.old) {
+				loops_per_jiffy = cpufreq_scale(lpj_ref,
+						lpj_ref_freq, freqs.new);
+			}
+			local_irq_restore_hw(flags);
+		}
+		/* TODO: just test case for cycles clock source, remove later */
+		cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+	}
 
+	pr_debug("cpufreq: done\n");
 	return 0;
 }
 
@@ -110,37 +173,16 @@ static int bfin_verify_speed(struct cpufreq_policy *policy)
 static int __init __bfin_cpu_init(struct cpufreq_policy *policy)
 {
 
-	unsigned long cclk, sclk, csel, min_cclk;
-	int index;
-
-	if (policy->cpu != 0)
-		return -EINVAL;
+	unsigned long cclk, sclk;
 
 	cclk = get_cclk() / 1000;
 	sclk = get_sclk() / 1000;
 
-#if ANOMALY_05000273 || ANOMALY_05000274 || \
-	(!defined(CONFIG_BF54x) && defined(CONFIG_BFIN_EXTMEM_DCACHEABLE))
-	min_cclk = sclk * 2;
-#else
-	min_cclk = sclk;
-#endif
-	csel = ((bfin_read_PLL_DIV() & CSEL) >> 4);
-
-	for (index = 0;  (cclk >> index) >= min_cclk && csel <= 3; index++, csel++) {
-		bfin_freq_table[index].frequency = cclk >> index;
-		dpm_state_table[index].csel = csel << 4; /* Shift now into PLL_DIV bitpos */
-		dpm_state_table[index].tscale =  (TIME_SCALE / (1 << csel)) - 1;
-
-		pr_debug("cpufreq: freq:%d csel:0x%x tscale:%d\n",
-						 bfin_freq_table[index].frequency,
-						 dpm_state_table[index].csel,
-						 dpm_state_table[index].tscale);
-	}
+	if (policy->cpu == CPUFREQ_CPU)
+		bfin_init_tables(cclk, sclk);
 
 	policy->cpuinfo.transition_latency = 50000; /* 50us assumed */
 
-	/*Now ,only support one cpu */
 	policy->cur = cclk;
 	cpufreq_frequency_table_get_attr(bfin_freq_table, policy->cpu);
 	return cpufreq_frequency_table_cpuinfo(policy, bfin_freq_table);
diff --git a/arch/blackfin/mach-common/entry.S b/arch/blackfin/mach-common/entry.S
index b0ed0b487ff2..a5847f5d67c7 100644
--- a/arch/blackfin/mach-common/entry.S
+++ b/arch/blackfin/mach-common/entry.S
@@ -405,7 +405,7 @@ ENTRY(_double_fault)
 
 	r0 = sp;        /* stack frame pt_regs pointer argument ==> r0 */
 	SP += -12;
-	call _double_fault_c;
+	pseudo_long_call _double_fault_c, p5;
 	SP += 12;
 .L_double_fault_panic:
         JUMP .L_double_fault_panic
@@ -447,7 +447,7 @@ ENTRY(_exception_to_level5)
 
 	r0 = sp; 	/* stack frame pt_regs pointer argument ==> r0 */
 	SP += -12;
-	call _trap_c;
+	pseudo_long_call _trap_c, p4;
 	SP += 12;
 
 	/* If interrupts were off during the exception (IPEND[4] = 1), turn them off
@@ -482,6 +482,8 @@ ENTRY(_trap) /* Exception: 4th entry into system event table(supervisor mode)*/
 	[--sp] = ASTAT;
 	[--sp] = (R7:6,P5:4);
 
+	ANOMALY_283_315_WORKAROUND(p5, r7)
+
 #ifdef CONFIG_EXACT_HWERR
 	/* Make sure all pending read/writes complete. This will ensure any
 	 * accesses which could cause hardware errors completes, and signal
@@ -492,8 +494,6 @@ ENTRY(_trap) /* Exception: 4th entry into system event table(supervisor mode)*/
 	ssync;
 #endif
 
-	ANOMALY_283_315_WORKAROUND(p5, r7)
-
 #ifdef CONFIG_DEBUG_DOUBLEFAULT
 	/*
 	 * Save these registers, as they are only valid in exception context
@@ -551,7 +551,7 @@ ENTRY(_kernel_execve)
 	p0 = sp;
 	sp += -16;
 	[sp + 12] = p0;
-	call _do_execve;
+	pseudo_long_call _do_execve, p5;
 	SP += 16;
 	cc = r0 == 0;
 	if ! cc jump .Lexecve_failed;
@@ -626,13 +626,6 @@ ENTRY(_system_call)
 	p0 = [sp + PT_ORIG_P0];
 #endif /* CONFIG_IPIPE */
 
-	/* Check the System Call */
-	r7 = __NR_syscall;
-	/* System call number is passed in P0 */
-	r6 = p0;
-	cc = r6 < r7;
-	if ! cc jump .Lbadsys;
-
 	/* are we tracing syscalls?*/
 	r7 = sp;
 	r6.l = lo(ALIGN_PAGE_MASK);
@@ -642,6 +635,14 @@ ENTRY(_system_call)
 	r7 = [p2+TI_FLAGS];
 	CC = BITTST(r7,TIF_SYSCALL_TRACE);
 	if CC JUMP _sys_trace;
+	CC = BITTST(r7,TIF_SINGLESTEP);
+	if CC JUMP _sys_trace;
+
+	/* Make sure the system call # is valid */
+	p4 = __NR_syscall;
+	/* System call number is passed in P0 */
+	cc = p4 <= p0;
+	if cc jump .Lbadsys;
 
 	/* Execute the appropriate system call */
 
@@ -704,7 +705,7 @@ ENTRY(_system_call)
 	sp += 4;
 
 	SP += -12;
-	call _schedule;
+	pseudo_long_call _schedule, p4;
 	SP += 12;
 
 	jump .Lresume_userspace_1;
@@ -723,7 +724,7 @@ ENTRY(_system_call)
 
 	r0 = sp;
 	SP += -12;
-	call _do_notify_resume;
+	pseudo_long_call _do_notify_resume, p5;
 	SP += 12;
 
 .Lsyscall_really_exit:
@@ -736,11 +737,17 @@ ENDPROC(_system_call)
  * this symbol need not be global anyways, so ...
  */
 _sys_trace:
-	call _syscall_trace;
-
-	/* Execute the appropriate system call */
+	r0 = sp;
+	pseudo_long_call _syscall_trace_enter, p5;
 
+	/* Make sure the system call # is valid */
 	p4 = [SP + PT_P0];
+	p3 = __NR_syscall;
+	cc = p3 <= p4;
+	r0 = -ENOSYS;
+	if cc jump .Lsys_trace_badsys;
+
+	/* Execute the appropriate system call */
 	p5.l = _sys_call_table;
 	p5.h = _sys_call_table;
 	p5 = p5 + (p4 << 2);
@@ -758,9 +765,11 @@ _sys_trace:
 	SP += -12;
 	call (p5);
 	SP += 24;
+.Lsys_trace_badsys:
 	[sp + PT_R0] = r0;
 
-	call _syscall_trace;
+	r0 = sp;
+	pseudo_long_call _syscall_trace_leave, p5;
 	jump .Lresume_userspace;
 ENDPROC(_sys_trace)
 
@@ -816,8 +825,8 @@ ENDPROC(_resume)
 
 ENTRY(_ret_from_exception)
 #ifdef CONFIG_IPIPE
-	p2.l = _per_cpu__ipipe_percpu_domain;
-	p2.h = _per_cpu__ipipe_percpu_domain;
+	p2.l = _ipipe_percpu_domain;
+	p2.h = _ipipe_percpu_domain;
 	r0.l = _ipipe_root;
 	r0.h = _ipipe_root;
 	r2 = [p2];
@@ -966,6 +975,13 @@ ENTRY(_evt_evt14)
 #else
 	cli r0;
 #endif
+#ifdef CONFIG_TRACE_IRQFLAGS
+	[--sp] = rets;
+	sp += -12;
+	call _trace_hardirqs_off;
+	sp += 12;
+	rets = [sp++];
+#endif
 	[--sp] = RETI;
 	SP += 4;
 	rts;
@@ -989,6 +1005,14 @@ ENTRY(_schedule_and_signal_from_int)
 	p1 = rets;
 	[sp + PT_RESERVED] = p1;
 
+#ifdef CONFIG_TRACE_IRQFLAGS
+	/* trace_hardirqs_on() checks if all irqs are disabled. But here IRQ 15
+	 * is turned on, so disable all irqs. */
+	cli r0;
+	sp += -12;
+	call _trace_hardirqs_on;
+	sp += 12;
+#endif
 #ifdef CONFIG_SMP
 	GET_PDA(p0, r0); 	/* Fetch current PDA (can't migrate to other CPU here) */
 	r0 = [p0 + PDA_IRQFLAGS];
@@ -1007,7 +1031,8 @@ ENTRY(_schedule_and_signal_from_int)
 
 	r0 = sp;
 	sp += -12;
-	call _finish_atomic_sections;
+
+	pseudo_long_call _finish_atomic_sections, p5;
 	sp += 12;
 	jump.s .Lresume_userspace;
 ENDPROC(_schedule_and_signal_from_int)
@@ -1357,7 +1382,7 @@ ENTRY(_sys_call_table)
 	.long _sys_newuname
 	.long _sys_ni_syscall	/* old sys_modify_ldt */
 	.long _sys_adjtimex
-	.long _sys_ni_syscall	/* 125 */ /* sys_mprotect */
+	.long _sys_mprotect	/* 125 */
 	.long _sys_ni_syscall	/* old sys_sigprocmask */
 	.long _sys_ni_syscall	/* old "creat_module" */
 	.long _sys_init_module
@@ -1376,16 +1401,16 @@ ENTRY(_sys_call_table)
 	.long _sys_getdents
 	.long _sys_ni_syscall	/* sys_select */
 	.long _sys_flock
-	.long _sys_ni_syscall	/* sys_msync */
+	.long _sys_msync
 	.long _sys_readv		/* 145 */
 	.long _sys_writev
 	.long _sys_getsid
 	.long _sys_fdatasync
 	.long _sys_sysctl
-	.long _sys_ni_syscall	/* 150 */ /* sys_mlock */
-	.long _sys_ni_syscall	/* sys_munlock */
-	.long _sys_ni_syscall	/* sys_mlockall */
-	.long _sys_ni_syscall	/* sys_munlockall */
+	.long _sys_mlock	/* 150 */
+	.long _sys_munlock
+	.long _sys_mlockall
+	.long _sys_munlockall
 	.long _sys_sched_setparam
 	.long _sys_sched_getparam /* 155 */
 	.long _sys_sched_setscheduler
@@ -1450,8 +1475,8 @@ ENTRY(_sys_call_table)
 	.long _sys_setfsuid	/* 215 */
 	.long _sys_setfsgid
 	.long _sys_pivot_root
-	.long _sys_ni_syscall	/* sys_mincore */
-	.long _sys_ni_syscall	/* sys_madvise */
+	.long _sys_mincore
+	.long _sys_madvise
 	.long _sys_getdents64	/* 220 */
 	.long _sys_fcntl64
 	.long _sys_ni_syscall	/* reserved for TUX */
@@ -1507,7 +1532,7 @@ ENTRY(_sys_call_table)
 	.long _sys_utimes
 	.long _sys_fadvise64_64
 	.long _sys_ni_syscall /* vserver */
-	.long _sys_ni_syscall /* 275, mbind */
+	.long _sys_mbind	/* 275 */
 	.long _sys_ni_syscall /* get_mempolicy */
 	.long _sys_ni_syscall /* set_mempolicy */
 	.long _sys_mq_open
diff --git a/arch/blackfin/mach-common/head.S b/arch/blackfin/mach-common/head.S
index cab0a0031eee..4391621d9048 100644
--- a/arch/blackfin/mach-common/head.S
+++ b/arch/blackfin/mach-common/head.S
@@ -144,8 +144,8 @@ ENTRY(__start)
 #endif
 
 	/* Initialize stack pointer */
-	sp.l = _init_thread_union;
-	sp.h = _init_thread_union;
+	sp.l = _init_thread_union + THREAD_SIZE;
+	sp.h = _init_thread_union + THREAD_SIZE;
 	fp = sp;
 	usp = sp;
 
@@ -186,6 +186,11 @@ ENTRY(__start)
 
 	/* Put The Code for PLL Programming and SDRAM Programming in L1 ISRAM */
 	call _bfin_relocate_l1_mem;
+
+#ifdef CONFIG_ROMKERNEL
+	call _bfin_relocate_xip_data;
+#endif
+
 #ifdef CONFIG_BFIN_KERNEL_CLOCK
 	/* Only use on-chip scratch space for stack when absolutely required
 	 * to avoid Anomaly 05000227 ... we know the init_clocks() func only
@@ -257,12 +262,7 @@ ENTRY(_real_start)
 	R0 = R7;
 	call _cmdline_init;
 
-	/* Load the current thread pointer and stack */
-	p1 = THREAD_SIZE + 4 (z);	/* +4 is for reti loading */
-	sp = sp + p1;
-	usp = sp;
-	fp = sp;
-	sp += -12;
+	sp += -12 + 4; /* +4 is for reti loading above */
 	call _init_pda
 	sp += 12;
 	jump.l _start_kernel;
diff --git a/arch/blackfin/mach-common/interrupt.S b/arch/blackfin/mach-common/interrupt.S
index 8085ff1cce00..cee62cf4acd4 100644
--- a/arch/blackfin/mach-common/interrupt.S
+++ b/arch/blackfin/mach-common/interrupt.S
@@ -88,6 +88,13 @@ __common_int_entry:
 #else
 	cli r1;
 #endif
+#ifdef CONFIG_TRACE_IRQFLAGS
+	[--sp] = r0;
+	sp += -12;
+	call _trace_hardirqs_off;
+	sp += 12;
+	r0 = [sp++];
+#endif
 	[--sp] = RETI;  /* orig_pc */
 	/* Clear all L registers.  */
 	r1 = 0 (x);
@@ -109,10 +116,10 @@ __common_int_entry:
 	cc = r0 == 0;
 	if cc jump .Lcommon_restore_context;
 #else /* CONFIG_IPIPE */
-	call _do_irq;
+	pseudo_long_call _do_irq, p2;
 	SP += 12;
 #endif /* CONFIG_IPIPE */
-	call _return_from_int;
+	pseudo_long_call _return_from_int, p2;
 .Lcommon_restore_context:
 	RESTORE_CONTEXT
 	rti;
@@ -168,7 +175,7 @@ ENTRY(_evt_ivhw)
 
 	r0 = sp;        /* stack frame pt_regs pointer argument ==> r0 */
 	SP += -12;
-	call _trap_c;
+	pseudo_long_call _trap_c, p5;
 	SP += 12;
 
 #ifdef EBIU_ERRMST
@@ -179,7 +186,7 @@ ENTRY(_evt_ivhw)
 	w[p0] = r0.l;
 #endif
 
-	call _ret_from_exception;
+	pseudo_long_call _ret_from_exception, p2;
 
 .Lcommon_restore_all_sys:
 	RESTORE_ALL_SYS
@@ -187,12 +194,28 @@ ENTRY(_evt_ivhw)
 ENDPROC(_evt_ivhw)
 
 /* Interrupt routine for evt2 (NMI).
- * We don't actually use this, so just return.
  * For inner circle type details, please see:
  * http://docs.blackfin.uclinux.org/doku.php?id=linux-kernel:nmi
  */
 ENTRY(_evt_nmi)
+#ifndef CONFIG_NMI_WATCHDOG
 .weak _evt_nmi
+#else
+	/* Not take account of CPLBs, this handler will not return */
+	SAVE_ALL_SYS
+	r0 = sp;
+	r1 = retn;
+	[sp + PT_PC] = r1;
+	trace_buffer_save(p4,r5);
+
+	ANOMALY_283_315_WORKAROUND(p4, r5)
+
+	SP += -12;
+	call _do_nmi;
+	SP += 12;
+1:
+	jump 1b;
+#endif
 	rtn;
 ENDPROC(_evt_nmi)
 
@@ -223,7 +246,7 @@ ENTRY(_evt_system_call)
 #ifdef CONFIG_FRAME_POINTER
 	fp = 0;
 #endif
-	call _system_call;
+	pseudo_long_call _system_call, p2;
 	jump .Lcommon_restore_context;
 ENDPROC(_evt_system_call)
 
diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index 1873b2c1fede..7ad8878bfa18 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -28,6 +28,7 @@
 #include <asm/dpmc.h>
 #include <asm/bfin5xx_spi.h>
 #include <asm/bfin_sport.h>
+#include <asm/bfin_can.h>
 
 #define SIC_SYSIRQ(irq)	(irq - (IRQ_CORETMR + 1))
 
@@ -172,7 +173,12 @@ static void bfin_internal_mask_irq(unsigned int irq)
 	local_irq_restore_hw(flags);
 }
 
+#ifdef CONFIG_SMP
+static void bfin_internal_unmask_irq_affinity(unsigned int irq,
+		const struct cpumask *affinity)
+#else
 static void bfin_internal_unmask_irq(unsigned int irq)
+#endif
 {
 	unsigned long flags;
 
@@ -185,16 +191,38 @@ static void bfin_internal_unmask_irq(unsigned int irq)
 	local_irq_save_hw(flags);
 	mask_bank = SIC_SYSIRQ(irq) / 32;
 	mask_bit = SIC_SYSIRQ(irq) % 32;
-	bfin_write_SIC_IMASK(mask_bank, bfin_read_SIC_IMASK(mask_bank) |
-			     (1 << mask_bit));
 #ifdef CONFIG_SMP
-	bfin_write_SICB_IMASK(mask_bank, bfin_read_SICB_IMASK(mask_bank) |
-			     (1 << mask_bit));
+	if (cpumask_test_cpu(0, affinity))
+#endif
+		bfin_write_SIC_IMASK(mask_bank,
+			bfin_read_SIC_IMASK(mask_bank) |
+			(1 << mask_bit));
+#ifdef CONFIG_SMP
+	if (cpumask_test_cpu(1, affinity))
+		bfin_write_SICB_IMASK(mask_bank,
+			bfin_read_SICB_IMASK(mask_bank) |
+			(1 << mask_bit));
 #endif
 #endif
 	local_irq_restore_hw(flags);
 }
 
+#ifdef CONFIG_SMP
+static void bfin_internal_unmask_irq(unsigned int irq)
+{
+	struct irq_desc *desc = irq_to_desc(irq);
+	bfin_internal_unmask_irq_affinity(irq, desc->affinity);
+}
+
+static int bfin_internal_set_affinity(unsigned int irq, const struct cpumask *mask)
+{
+	bfin_internal_mask_irq(irq);
+	bfin_internal_unmask_irq_affinity(irq, mask);
+
+	return 0;
+}
+#endif
+
 #ifdef CONFIG_PM
 int bfin_internal_set_wake(unsigned int irq, unsigned int state)
 {
@@ -224,11 +252,6 @@ int bfin_internal_set_wake(unsigned int irq, unsigned int state)
 	wakeup |= USBWE;
 	break;
 #endif
-#ifdef IRQ_KEY
-	case IRQ_KEY:
-	wakeup |= KPADWE;
-	break;
-#endif
 #ifdef CONFIG_BF54x
 	case IRQ_CNT:
 	wakeup |= ROTWE;
@@ -270,6 +293,9 @@ static struct irq_chip bfin_internal_irqchip = {
 	.mask_ack = bfin_internal_mask_irq,
 	.disable = bfin_internal_mask_irq,
 	.enable = bfin_internal_unmask_irq,
+#ifdef CONFIG_SMP
+	.set_affinity = bfin_internal_set_affinity,
+#endif
 #ifdef CONFIG_PM
 	.set_wake = bfin_internal_set_wake,
 #endif
@@ -294,7 +320,6 @@ static int error_int_mask;
 static void bfin_generic_error_mask_irq(unsigned int irq)
 {
 	error_int_mask &= ~(1L << (irq - IRQ_PPI_ERROR));
-
 	if (!error_int_mask)
 		bfin_internal_mask_irq(IRQ_GENERIC_ERROR);
 }
@@ -385,6 +410,127 @@ static void bfin_demux_error_irq(unsigned int int_err_irq,
 }
 #endif				/* BF537_GENERIC_ERROR_INT_DEMUX */
 
+#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+static int mac_stat_int_mask;
+
+static void bfin_mac_status_ack_irq(unsigned int irq)
+{
+	switch (irq) {
+	case IRQ_MAC_MMCINT:
+		bfin_write_EMAC_MMC_TIRQS(
+			bfin_read_EMAC_MMC_TIRQE() &
+			bfin_read_EMAC_MMC_TIRQS());
+		bfin_write_EMAC_MMC_RIRQS(
+			bfin_read_EMAC_MMC_RIRQE() &
+			bfin_read_EMAC_MMC_RIRQS());
+		break;
+	case IRQ_MAC_RXFSINT:
+		bfin_write_EMAC_RX_STKY(
+			bfin_read_EMAC_RX_IRQE() &
+			bfin_read_EMAC_RX_STKY());
+		break;
+	case IRQ_MAC_TXFSINT:
+		bfin_write_EMAC_TX_STKY(
+			bfin_read_EMAC_TX_IRQE() &
+			bfin_read_EMAC_TX_STKY());
+		break;
+	case IRQ_MAC_WAKEDET:
+		 bfin_write_EMAC_WKUP_CTL(
+			bfin_read_EMAC_WKUP_CTL() | MPKS | RWKS);
+		break;
+	default:
+		/* These bits are W1C */
+		bfin_write_EMAC_SYSTAT(1L << (irq - IRQ_MAC_PHYINT));
+		break;
+	}
+}
+
+static void bfin_mac_status_mask_irq(unsigned int irq)
+{
+	mac_stat_int_mask &= ~(1L << (irq - IRQ_MAC_PHYINT));
+#ifdef BF537_GENERIC_ERROR_INT_DEMUX
+	switch (irq) {
+	case IRQ_MAC_PHYINT:
+		bfin_write_EMAC_SYSCTL(bfin_read_EMAC_SYSCTL() & ~PHYIE);
+		break;
+	default:
+		break;
+	}
+#else
+	if (!mac_stat_int_mask)
+		bfin_internal_mask_irq(IRQ_MAC_ERROR);
+#endif
+	bfin_mac_status_ack_irq(irq);
+}
+
+static void bfin_mac_status_unmask_irq(unsigned int irq)
+{
+#ifdef BF537_GENERIC_ERROR_INT_DEMUX
+	switch (irq) {
+	case IRQ_MAC_PHYINT:
+		bfin_write_EMAC_SYSCTL(bfin_read_EMAC_SYSCTL() | PHYIE);
+		break;
+	default:
+		break;
+	}
+#else
+	if (!mac_stat_int_mask)
+		bfin_internal_unmask_irq(IRQ_MAC_ERROR);
+#endif
+	mac_stat_int_mask |= 1L << (irq - IRQ_MAC_PHYINT);
+}
+
+#ifdef CONFIG_PM
+int bfin_mac_status_set_wake(unsigned int irq, unsigned int state)
+{
+#ifdef BF537_GENERIC_ERROR_INT_DEMUX
+	return bfin_internal_set_wake(IRQ_GENERIC_ERROR, state);
+#else
+	return bfin_internal_set_wake(IRQ_MAC_ERROR, state);
+#endif
+}
+#endif
+
+static struct irq_chip bfin_mac_status_irqchip = {
+	.name = "MACST",
+	.ack = bfin_ack_noop,
+	.mask_ack = bfin_mac_status_mask_irq,
+	.mask = bfin_mac_status_mask_irq,
+	.unmask = bfin_mac_status_unmask_irq,
+#ifdef CONFIG_PM
+	.set_wake = bfin_mac_status_set_wake,
+#endif
+};
+
+static void bfin_demux_mac_status_irq(unsigned int int_err_irq,
+				 struct irq_desc *inta_desc)
+{
+	int i, irq = 0;
+	u32 status = bfin_read_EMAC_SYSTAT();
+
+	for (i = 0; i < (IRQ_MAC_STMDONE - IRQ_MAC_PHYINT); i++)
+		if (status & (1L << i)) {
+			irq = IRQ_MAC_PHYINT + i;
+			break;
+		}
+
+	if (irq) {
+		if (mac_stat_int_mask & (1L << (irq - IRQ_MAC_PHYINT))) {
+			bfin_handle_irq(irq);
+		} else {
+			bfin_mac_status_ack_irq(irq);
+			pr_debug("IRQ %d:"
+				 " MASKED MAC ERROR INTERRUPT ASSERTED\n",
+				 irq);
+		}
+	} else
+		printk(KERN_ERR
+		       "%s : %s : LINE %d :\nIRQ ?: MAC ERROR"
+		       " INTERRUPT ASSERTED BUT NO SOURCE FOUND\n",
+		       __func__, __FILE__, __LINE__);
+}
+#endif
+
 static inline void bfin_set_irq_handler(unsigned irq, irq_flow_handler_t handle)
 {
 #ifdef CONFIG_IPIPE
@@ -1031,7 +1177,6 @@ int __init init_arch_irq(void)
 #elif defined(CONFIG_BF538) || defined(CONFIG_BF539)
 		case IRQ_PORTF_INTA:
 #endif
-
 			set_irq_chained_handler(irq,
 						bfin_demux_gpio_irq);
 			break;
@@ -1040,29 +1185,36 @@ int __init init_arch_irq(void)
 			set_irq_chained_handler(irq, bfin_demux_error_irq);
 			break;
 #endif
-
-#ifdef CONFIG_SMP
-#ifdef CONFIG_TICKSOURCE_GPTMR0
-		case IRQ_TIMER0:
-#endif
-#ifdef CONFIG_TICKSOURCE_CORETMR
-		case IRQ_CORETMR:
+#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+		case IRQ_MAC_ERROR:
+			set_irq_chained_handler(irq, bfin_demux_mac_status_irq);
+			break;
 #endif
+#ifdef CONFIG_SMP
 		case IRQ_SUPPLE_0:
 		case IRQ_SUPPLE_1:
 			set_irq_handler(irq, handle_percpu_irq);
 			break;
 #endif
 
-#ifdef CONFIG_IPIPE
-#ifndef CONFIG_TICKSOURCE_CORETMR
-		case IRQ_TIMER0:
+#ifdef CONFIG_TICKSOURCE_CORETMR
+		case IRQ_CORETMR:
+# ifdef CONFIG_SMP
+			set_irq_handler(irq, handle_percpu_irq);
+			break;
+# else
 			set_irq_handler(irq, handle_simple_irq);
 			break;
+# endif
 #endif
-		case IRQ_CORETMR:
+
+#ifdef CONFIG_TICKSOURCE_GPTMR0
+		case IRQ_TIMER0:
 			set_irq_handler(irq, handle_simple_irq);
 			break;
+#endif
+
+#ifdef CONFIG_IPIPE
 		default:
 			set_irq_handler(irq, handle_level_irq);
 			break;
@@ -1078,14 +1230,22 @@ int __init init_arch_irq(void)
 	for (irq = IRQ_PPI_ERROR; irq <= IRQ_UART1_ERROR; irq++)
 		set_irq_chip_and_handler(irq, &bfin_generic_error_irqchip,
 					 handle_level_irq);
+#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+	set_irq_chained_handler(IRQ_MAC_ERROR, bfin_demux_mac_status_irq);
+#endif
 #endif
 
+#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE)
+	for (irq = IRQ_MAC_PHYINT; irq <= IRQ_MAC_STMDONE; irq++)
+		set_irq_chip_and_handler(irq, &bfin_mac_status_irqchip,
+					 handle_level_irq);
+#endif
 	/* if configured as edge, then will be changed to do_edge_IRQ */
-	for (irq = GPIO_IRQ_BASE; irq < NR_IRQS; irq++)
+	for (irq = GPIO_IRQ_BASE;
+		irq < (GPIO_IRQ_BASE + MAX_BLACKFIN_GPIOS); irq++)
 		set_irq_chip_and_handler(irq, &bfin_gpio_irqchip,
 					 handle_level_irq);
 
-
 	bfin_write_IMASK(0);
 	CSYNC();
 	ilat = bfin_read_ILAT();
diff --git a/arch/blackfin/mach-common/smp.c b/arch/blackfin/mach-common/smp.c
index 369e687582b7..7803f22d2ca7 100644
--- a/arch/blackfin/mach-common/smp.c
+++ b/arch/blackfin/mach-common/smp.c
@@ -122,9 +122,17 @@ static void ipi_call_function(unsigned int cpu, struct ipi_message *msg)
 	wait = msg->call_struct.wait;
 	cpu_clear(cpu, msg->call_struct.pending);
 	func(info);
-	if (wait)
+	if (wait) {
+#ifdef __ARCH_SYNC_CORE_DCACHE
+		/*
+		 * 'wait' usually means synchronization between CPUs.
+		 * Invalidate D cache in case shared data was changed
+		 * by func() to ensure cache coherence.
+		 */
+		resync_core_dcache();
+#endif
 		cpu_clear(cpu, msg->call_struct.waitmask);
-	else
+	} else
 		kfree(msg);
 }
 
@@ -219,6 +227,13 @@ int smp_call_function(void (*func)(void *info), void *info, int wait)
 			blackfin_dcache_invalidate_range(
 				(unsigned long)(&msg->call_struct.waitmask),
 				(unsigned long)(&msg->call_struct.waitmask));
+#ifdef __ARCH_SYNC_CORE_DCACHE
+		/*
+		 * Invalidate D cache in case shared data was changed by
+		 * other processors to ensure cache coherence.
+		 */
+		resync_core_dcache();
+#endif
 		kfree(msg);
 	}
 	return 0;
@@ -261,6 +276,13 @@ int smp_call_function_single(int cpuid, void (*func) (void *info), void *info,
 			blackfin_dcache_invalidate_range(
 				(unsigned long)(&msg->call_struct.waitmask),
 				(unsigned long)(&msg->call_struct.waitmask));
+#ifdef __ARCH_SYNC_CORE_DCACHE
+		/*
+		 * Invalidate D cache in case shared data was changed by
+		 * other processors to ensure cache coherence.
+		 */
+		resync_core_dcache();
+#endif
 		kfree(msg);
 	}
 	return 0;
@@ -322,8 +344,11 @@ void smp_send_stop(void)
 
 int __cpuinit __cpu_up(unsigned int cpu)
 {
-	struct task_struct *idle;
 	int ret;
+	static struct task_struct *idle;
+
+	if (idle)
+		free_task(idle);
 
 	idle = fork_idle(cpu);
 	if (IS_ERR(idle)) {
@@ -332,7 +357,6 @@ int __cpuinit __cpu_up(unsigned int cpu)
 	}
 
 	secondary_stack = task_stack_page(idle) + THREAD_SIZE;
-	smp_wmb();
 
 	ret = platform_boot_secondary(cpu, idle);
 
@@ -343,9 +367,6 @@ int __cpuinit __cpu_up(unsigned int cpu)
 
 static void __cpuinit setup_secondary(unsigned int cpu)
 {
-#if !defined(CONFIG_TICKSOURCE_GPTMR0)
-	struct irq_desc *timer_desc;
-#endif
 	unsigned long ilat;
 
 	bfin_write_IMASK(0);
@@ -360,17 +381,6 @@ static void __cpuinit setup_secondary(unsigned int cpu)
 	bfin_irq_flags |= IMASK_IVG15 |
 	    IMASK_IVG14 | IMASK_IVG13 | IMASK_IVG12 | IMASK_IVG11 |
 	    IMASK_IVG10 | IMASK_IVG9 | IMASK_IVG8 | IMASK_IVG7 | IMASK_IVGHW;
-
-#if defined(CONFIG_TICKSOURCE_GPTMR0)
-	/* Power down the core timer, just to play safe. */
-	bfin_write_TCNTL(0);
-
-	/* system timer0 has been setup by CoreA. */
-#else
-	timer_desc = irq_desc + IRQ_CORETMR;
-	setup_core_timer();
-	timer_desc->chip->enable(IRQ_CORETMR);
-#endif
 }
 
 void __cpuinit secondary_start_kernel(void)
@@ -405,7 +415,6 @@ void __cpuinit secondary_start_kernel(void)
 	atomic_inc(&mm->mm_users);
 	atomic_inc(&mm->mm_count);
 	current->active_mm = mm;
-	BUG_ON(current->mm);	/* Can't be, but better be safe than sorry. */
 
 	preempt_disable();
 
@@ -413,6 +422,9 @@ void __cpuinit secondary_start_kernel(void)
 
 	platform_secondary_init(cpu);
 
+	/* setup local core timer */
+	bfin_local_timer_setup();
+
 	local_irq_enable();
 
 	/*
@@ -462,25 +474,58 @@ void smp_icache_flush_range_others(unsigned long start, unsigned long end)
 EXPORT_SYMBOL_GPL(smp_icache_flush_range_others);
 
 #ifdef __ARCH_SYNC_CORE_ICACHE
+unsigned long icache_invld_count[NR_CPUS];
 void resync_core_icache(void)
 {
 	unsigned int cpu = get_cpu();
 	blackfin_invalidate_entire_icache();
-	++per_cpu(cpu_data, cpu).icache_invld_count;
+	icache_invld_count[cpu]++;
 	put_cpu();
 }
 EXPORT_SYMBOL(resync_core_icache);
 #endif
 
 #ifdef __ARCH_SYNC_CORE_DCACHE
+unsigned long dcache_invld_count[NR_CPUS];
 unsigned long barrier_mask __attribute__ ((__section__(".l2.bss")));
 
 void resync_core_dcache(void)
 {
 	unsigned int cpu = get_cpu();
 	blackfin_invalidate_entire_dcache();
-	++per_cpu(cpu_data, cpu).dcache_invld_count;
+	dcache_invld_count[cpu]++;
 	put_cpu();
 }
 EXPORT_SYMBOL(resync_core_dcache);
 #endif
+
+#ifdef CONFIG_HOTPLUG_CPU
+int __cpuexit __cpu_disable(void)
+{
+	unsigned int cpu = smp_processor_id();
+
+	if (cpu == 0)
+		return -EPERM;
+
+	set_cpu_online(cpu, false);
+	return 0;
+}
+
+static DECLARE_COMPLETION(cpu_killed);
+
+int __cpuexit __cpu_die(unsigned int cpu)
+{
+	return wait_for_completion_timeout(&cpu_killed, 5000);
+}
+
+void cpu_die(void)
+{
+	complete(&cpu_killed);
+
+	atomic_dec(&init_mm.mm_users);
+	atomic_dec(&init_mm.mm_count);
+
+	local_irq_disable();
+	platform_cpu_die();
+}
+#endif
diff --git a/arch/blackfin/mm/isram-driver.c b/arch/blackfin/mm/isram-driver.c
index 84cdc5a1c139..9213e2357888 100644
--- a/arch/blackfin/mm/isram-driver.c
+++ b/arch/blackfin/mm/isram-driver.c
@@ -62,7 +62,7 @@ static void isram_write(const void *addr, uint64_t data)
 	uint32_t cmd;
 	unsigned long flags;
 
-	if (addr >= (void *)(L1_CODE_START + L1_CODE_LENGTH))
+	if (unlikely(addr >= (void *)(L1_CODE_START + L1_CODE_LENGTH)))
 		return;
 
 	cmd = IADDR2DTEST(addr) | 2;             /* write */
@@ -93,7 +93,7 @@ static uint64_t isram_read(const void *addr)
 	unsigned long flags;
 	uint64_t ret;
 
-	if (addr > (void *)(L1_CODE_START + L1_CODE_LENGTH))
+	if (unlikely(addr > (void *)(L1_CODE_START + L1_CODE_LENGTH)))
 		return 0;
 
 	cmd = IADDR2DTEST(addr) | 0;              /* read */
@@ -120,7 +120,7 @@ static bool isram_check_addr(const void *addr, size_t n)
 {
 	if ((addr >= (void *)L1_CODE_START) &&
 	    (addr < (void *)(L1_CODE_START + L1_CODE_LENGTH))) {
-		if ((addr + n) > (void *)(L1_CODE_START + L1_CODE_LENGTH)) {
+		if (unlikely((addr + n) > (void *)(L1_CODE_START + L1_CODE_LENGTH))) {
 			show_stack(NULL, NULL);
 			pr_err("copy involving %p length (%zu) too long\n", addr, n);
 		}
diff --git a/arch/blackfin/mm/sram-alloc.c b/arch/blackfin/mm/sram-alloc.c
index f068c11ea98f..5732da25ee2d 100644
--- a/arch/blackfin/mm/sram-alloc.c
+++ b/arch/blackfin/mm/sram-alloc.c
@@ -402,7 +402,7 @@ void *l1_data_A_sram_alloc(size_t size)
 	void *addr;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1_data_sram_lock, cpu), flags);
 
@@ -411,7 +411,6 @@ void *l1_data_A_sram_alloc(size_t size)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1_data_sram_lock, cpu), flags);
-	put_cpu();
 
 	pr_debug("Allocated address in l1_data_A_sram_alloc is 0x%lx+0x%lx\n",
 		 (long unsigned int)addr, size);
@@ -430,7 +429,7 @@ int l1_data_A_sram_free(const void *addr)
 	int ret;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1_data_sram_lock, cpu), flags);
 
@@ -439,7 +438,6 @@ int l1_data_A_sram_free(const void *addr)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1_data_sram_lock, cpu), flags);
-	put_cpu();
 
 	return ret;
 #else
@@ -455,7 +453,7 @@ void *l1_data_B_sram_alloc(size_t size)
 	void *addr;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1_data_sram_lock, cpu), flags);
 
@@ -464,7 +462,6 @@ void *l1_data_B_sram_alloc(size_t size)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1_data_sram_lock, cpu), flags);
-	put_cpu();
 
 	pr_debug("Allocated address in l1_data_B_sram_alloc is 0x%lx+0x%lx\n",
 		 (long unsigned int)addr, size);
@@ -483,7 +480,7 @@ int l1_data_B_sram_free(const void *addr)
 	int ret;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1_data_sram_lock, cpu), flags);
 
@@ -492,7 +489,6 @@ int l1_data_B_sram_free(const void *addr)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1_data_sram_lock, cpu), flags);
-	put_cpu();
 
 	return ret;
 #else
@@ -540,7 +536,7 @@ void *l1_inst_sram_alloc(size_t size)
 	void *addr;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1_inst_sram_lock, cpu), flags);
 
@@ -549,7 +545,6 @@ void *l1_inst_sram_alloc(size_t size)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1_inst_sram_lock, cpu), flags);
-	put_cpu();
 
 	pr_debug("Allocated address in l1_inst_sram_alloc is 0x%lx+0x%lx\n",
 		 (long unsigned int)addr, size);
@@ -568,7 +563,7 @@ int l1_inst_sram_free(const void *addr)
 	int ret;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1_inst_sram_lock, cpu), flags);
 
@@ -577,7 +572,6 @@ int l1_inst_sram_free(const void *addr)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1_inst_sram_lock, cpu), flags);
-	put_cpu();
 
 	return ret;
 #else
@@ -593,7 +587,7 @@ void *l1sram_alloc(size_t size)
 	void *addr;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1sram_lock, cpu), flags);
 
@@ -602,7 +596,6 @@ void *l1sram_alloc(size_t size)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1sram_lock, cpu), flags);
-	put_cpu();
 
 	return addr;
 }
@@ -614,7 +607,7 @@ void *l1sram_alloc_max(size_t *psize)
 	void *addr;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1sram_lock, cpu), flags);
 
@@ -623,7 +616,6 @@ void *l1sram_alloc_max(size_t *psize)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1sram_lock, cpu), flags);
-	put_cpu();
 
 	return addr;
 }
@@ -635,7 +627,7 @@ int l1sram_free(const void *addr)
 	int ret;
 	unsigned int cpu;
 
-	cpu = get_cpu();
+	cpu = smp_processor_id();
 	/* add mutex operation */
 	spin_lock_irqsave(&per_cpu(l1sram_lock, cpu), flags);
 
@@ -644,7 +636,6 @@ int l1sram_free(const void *addr)
 
 	/* add mutex operation */
 	spin_unlock_irqrestore(&per_cpu(l1sram_lock, cpu), flags);
-	put_cpu();
 
 	return ret;
 }
diff --git a/arch/cris/Kconfig b/arch/cris/Kconfig
index 7adac388a771..059eac6abda1 100644
--- a/arch/cris/Kconfig
+++ b/arch/cris/Kconfig
@@ -20,6 +20,12 @@ config RWSEM_GENERIC_SPINLOCK
 config RWSEM_XCHGADD_ALGORITHM
 	bool
 
+config GENERIC_TIME
+	def_bool y
+
+config ARCH_USES_GETTIMEOFFSET
+	def_bool y
+
 config GENERIC_IOMAP
        bool
        default y
diff --git a/arch/cris/arch-v10/kernel/entry.S b/arch/cris/arch-v10/kernel/entry.S
index 2c18d08cd913..0d6420d087fd 100644
--- a/arch/cris/arch-v10/kernel/entry.S
+++ b/arch/cris/arch-v10/kernel/entry.S
@@ -358,7 +358,7 @@ mmu_bus_fault:
 1:	btstq	12, $r1		   ; Refill?
 	bpl	2f
 	lsrq	24, $r1     ; Get PGD index (bit 24-31)
-	move.d  [per_cpu__current_pgd], $r0 ; PGD for the current process
+	move.d  [current_pgd], $r0 ; PGD for the current process
 	move.d	[$r0+$r1.d], $r0   ; Get PMD
 	beq	2f
 	nop
@@ -692,7 +692,7 @@ sys_call_table:
 	.long sys_swapon
 	.long sys_reboot
 	.long sys_old_readdir
-	.long old_mmap		/* 90 */
+	.long sys_old_mmap	/* 90 */
 	.long sys_munmap
 	.long sys_truncate
 	.long sys_ftruncate
diff --git a/arch/cris/arch-v10/kernel/ptrace.c b/arch/cris/arch-v10/kernel/ptrace.c
index ee505b2eb4db..e70c804e9377 100644
--- a/arch/cris/arch-v10/kernel/ptrace.c
+++ b/arch/cris/arch-v10/kernel/ptrace.c
@@ -127,57 +127,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			ret = 0;
 			break;
 
-		case PTRACE_SYSCALL:
-		case PTRACE_CONT:
-			ret = -EIO;
-			
-			if (!valid_signal(data))
-				break;
-                        
-			if (request == PTRACE_SYSCALL) {
-				set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			}
-			else {
-				clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			}
-			
-			child->exit_code = data;
-			
-			/* TODO: make sure any pending breakpoint is killed */
-			wake_up_process(child);
-			ret = 0;
-			
-			break;
-		
- 		/* Make the child exit by sending it a sigkill. */
-		case PTRACE_KILL:
-			ret = 0;
-			
-			if (child->exit_state == EXIT_ZOMBIE)
-				break;
-			
-			child->exit_code = SIGKILL;
-			
-			/* TODO: make sure any pending breakpoint is killed */
-			wake_up_process(child);
-			break;
-
-		/* Set the trap flag. */
-		case PTRACE_SINGLESTEP:
-			ret = -EIO;
-			
-			if (!valid_signal(data))
-				break;
-			
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
-			/* TODO: set some clever breakpoint mechanism... */
-
-			child->exit_code = data;
-			wake_up_process(child);
-			ret = 0;
-			break;
-
 		/* Get all GP registers from the child. */
 		case PTRACE_GETREGS: {
 		  	int i;
diff --git a/arch/cris/arch-v10/lib/old_checksum.c b/arch/cris/arch-v10/lib/old_checksum.c
index 1734b467efa6..8f79163f1394 100644
--- a/arch/cris/arch-v10/lib/old_checksum.c
+++ b/arch/cris/arch-v10/lib/old_checksum.c
@@ -77,7 +77,7 @@ __wsum csum_partial(const void *p, int len, __wsum __sum)
 		sum += *buff++;
 
 	if (endMarker > buff)
-		sum += *(const u8 *)buff;	/* add extra byte seperately */
+		sum += *(const u8 *)buff;	/* add extra byte separately */
 
 	BITOFF;
 	return (__force __wsum)sum;
diff --git a/arch/cris/arch-v32/drivers/cryptocop.c b/arch/cris/arch-v32/drivers/cryptocop.c
index fd529a0ec758..b70fb34939d9 100644
--- a/arch/cris/arch-v32/drivers/cryptocop.c
+++ b/arch/cris/arch-v32/drivers/cryptocop.c
@@ -628,9 +628,9 @@ static int create_output_descriptors(struct cryptocop_operation *operation, int
 		cdesc->dma_descr->buf = (char*)virt_to_phys(operation->tfrm_op.indata[*iniov_ix].iov_base + *iniov_offset);
 		cdesc->dma_descr->after = cdesc->dma_descr->buf + dlength;
 
+		assert(desc_len >= dlength);
 		desc_len -= dlength;
 		*iniov_offset += dlength;
-		assert(desc_len >= 0);
 		if (*iniov_offset >= operation->tfrm_op.indata[*iniov_ix].iov_len) {
 			*iniov_offset = 0;
 			++(*iniov_ix);
diff --git a/arch/cris/arch-v32/drivers/pci/bios.c b/arch/cris/arch-v32/drivers/pci/bios.c
index d4b9c36ddc0f..bc0cfdad1cbc 100644
--- a/arch/cris/arch-v32/drivers/pci/bios.c
+++ b/arch/cris/arch-v32/drivers/pci/bios.c
@@ -50,7 +50,7 @@ pcibios_align_resource(void *data, const struct resource *res,
 	if ((res->flags & IORESOURCE_IO) && (start & 0x300))
 		start = (start + 0x3ff) & ~0x3ff;
 
-	return start
+	return start;
 }
 
 int pcibios_enable_resources(struct pci_dev *dev, int mask)
diff --git a/arch/cris/arch-v32/kernel/entry.S b/arch/cris/arch-v32/kernel/entry.S
index 435b9671bd4b..1f39861eac8c 100644
--- a/arch/cris/arch-v32/kernel/entry.S
+++ b/arch/cris/arch-v32/kernel/entry.S
@@ -615,7 +615,7 @@ sys_call_table:
 	.long sys_swapon
 	.long sys_reboot
 	.long sys_old_readdir
-	.long old_mmap		/* 90 */
+	.long sys_old_mmap	/* 90 */
 	.long sys_munmap
 	.long sys_truncate
 	.long sys_ftruncate
diff --git a/arch/cris/arch-v32/kernel/ptrace.c b/arch/cris/arch-v32/kernel/ptrace.c
index dd401473f5b5..f4ebd1e7d0f5 100644
--- a/arch/cris/arch-v32/kernel/ptrace.c
+++ b/arch/cris/arch-v32/kernel/ptrace.c
@@ -78,6 +78,35 @@ int put_reg(struct task_struct *task, unsigned int regno, unsigned long data)
 	return 0;
 }
 
+void user_enable_single_step(struct task_struct *child)
+{
+	unsigned long tmp;
+
+	/*
+	 * Set up SPC if not set already (in which case we have no other
+	 * choice but to trust it).
+	 */
+	if (!get_reg(child, PT_SPC)) {
+		/* In case we're stopped in a delay slot. */
+		tmp = get_reg(child, PT_ERP) & ~1;
+		put_reg(child, PT_SPC, tmp);
+	}
+	tmp = get_reg(child, PT_CCS) | SBIT_USER;
+	put_reg(child, PT_CCS, tmp);
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+	put_reg(child, PT_SPC, 0);
+
+	if (!get_debugreg(child->pid, PT_BP_CTRL)) {
+		unsigned long tmp;
+		/* If no h/w bp configured, disable S bit. */
+		tmp = get_reg(child, PT_CCS) & ~SBIT_USER;
+		put_reg(child, PT_CCS, tmp);
+	}
+}
+
 /*
  * Called by kernel/ptrace.c when detaching.
  *
@@ -89,8 +118,7 @@ ptrace_disable(struct task_struct *child)
 	unsigned long tmp;
 
 	/* Deconfigure SPC and S-bit. */
-	tmp = get_reg(child, PT_CCS) & ~SBIT_USER;
-	put_reg(child, PT_CCS, tmp);
+	user_disable_single_step(child);
 	put_reg(child, PT_SPC, 0);
 
 	/* Deconfigure any watchpoints associated with the child. */
@@ -169,83 +197,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			ret = 0;
 			break;
 
-		case PTRACE_SYSCALL:
-		case PTRACE_CONT:
-			ret = -EIO;
-
-			if (!valid_signal(data))
-				break;
-
-			/* Continue means no single-step. */
-			put_reg(child, PT_SPC, 0);
-
-			if (!get_debugreg(child->pid, PT_BP_CTRL)) {
-				unsigned long tmp;
-				/* If no h/w bp configured, disable S bit. */
-				tmp = get_reg(child, PT_CCS) & ~SBIT_USER;
-				put_reg(child, PT_CCS, tmp);
-			}
-
-			if (request == PTRACE_SYSCALL) {
-				set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			}
-			else {
-				clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			}
-
-			child->exit_code = data;
-
-			/* TODO: make sure any pending breakpoint is killed */
-			wake_up_process(child);
-			ret = 0;
-
-			break;
-
-		/* Make the child exit by sending it a sigkill. */
-		case PTRACE_KILL:
-			ret = 0;
-
-			if (child->exit_state == EXIT_ZOMBIE)
-				break;
-
-			child->exit_code = SIGKILL;
-
-			/* Deconfigure single-step and h/w bp. */
-			ptrace_disable(child);
-
-			/* TODO: make sure any pending breakpoint is killed */
-			wake_up_process(child);
-			break;
-
-		/* Set the trap flag. */
-		case PTRACE_SINGLESTEP:	{
-			unsigned long tmp;
-			ret = -EIO;
-
-			/* Set up SPC if not set already (in which case we have
-			   no other choice but to trust it). */
-			if (!get_reg(child, PT_SPC)) {
-				/* In case we're stopped in a delay slot. */
-				tmp = get_reg(child, PT_ERP) & ~1;
-				put_reg(child, PT_SPC, tmp);
-			}
-			tmp = get_reg(child, PT_CCS) | SBIT_USER;
-			put_reg(child, PT_CCS, tmp);
-
-			if (!valid_signal(data))
-				break;
-
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
-			/* TODO: set some clever breakpoint mechanism... */
-
-			child->exit_code = data;
-			wake_up_process(child);
-			ret = 0;
-			break;
-
-		}
-
 		/* Get all GP registers from the child. */
 		case PTRACE_GETREGS: {
 			int i;
diff --git a/arch/cris/arch-v32/mach-fs/arbiter.c b/arch/cris/arch-v32/mach-fs/arbiter.c
index 84d31bd7b692..82ef293c4c81 100644
--- a/arch/cris/arch-v32/mach-fs/arbiter.c
+++ b/arch/cris/arch-v32/mach-fs/arbiter.c
@@ -332,7 +332,7 @@ int crisv32_arbiter_unwatch(int id)
 	if (id == 0)
 		intr_mask.bp0 = regk_marb_no;
 	else if (id == 1)
-		intr_mask.bp2 = regk_marb_no;
+		intr_mask.bp1 = regk_marb_no;
 	else if (id == 2)
 		intr_mask.bp2 = regk_marb_no;
 	else if (id == 3)
diff --git a/arch/cris/arch-v32/mm/mmu.S b/arch/cris/arch-v32/mm/mmu.S
index 2238d154bde3..f125d912e140 100644
--- a/arch/cris/arch-v32/mm/mmu.S
+++ b/arch/cris/arch-v32/mm/mmu.S
@@ -115,7 +115,7 @@
 #ifdef CONFIG_SMP
 	move    $s7, $acr	; PGD
 #else
-	move.d  per_cpu__current_pgd, $acr ; PGD
+	move.d  current_pgd, $acr ; PGD
 #endif
 	; Look up PMD in PGD
 	lsrq	24, $r0	; Get PMD index into PGD (bit 24-31)
diff --git a/arch/cris/arch-v32/mm/tlb.c b/arch/cris/arch-v32/mm/tlb.c
index 6779bcb28ab0..c030d020660a 100644
--- a/arch/cris/arch-v32/mm/tlb.c
+++ b/arch/cris/arch-v32/mm/tlb.c
@@ -189,7 +189,7 @@ switch_mm(struct mm_struct *prev, struct mm_struct *next,
 		spin_unlock(&mmu_context_lock);
 
 		/*
-		 * Remember the pgd for the fault handlers. Keep a seperate
+		 * Remember the pgd for the fault handlers. Keep a separate
 		 * copy of it because current and active_mm might be invalid
 		 * at points where * there's still a need to derefer the pgd.
 		 */
diff --git a/arch/cris/include/arch-v32/arch/ptrace.h b/arch/cris/include/arch-v32/arch/ptrace.h
index 41f4e8662bc2..ffca8d0f2e17 100644
--- a/arch/cris/include/arch-v32/arch/ptrace.h
+++ b/arch/cris/include/arch-v32/arch/ptrace.h
@@ -108,6 +108,7 @@ struct switch_stack {
 
 #ifdef __KERNEL__
 
+#define arch_has_single_step() (1)
 #define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0)
 #define instruction_pointer(regs) ((regs)->erp)
 extern void show_regs(struct pt_regs *);
diff --git a/arch/cris/include/asm/pci.h b/arch/cris/include/asm/pci.h
index 730ce40fdd0f..9f1cd56da28c 100644
--- a/arch/cris/include/asm/pci.h
+++ b/arch/cris/include/asm/pci.h
@@ -44,14 +44,6 @@ struct pci_dev;
  */
 #define PCI_DMA_BUS_IS_PHYS	(1)
 
-/* pci_unmap_{page,single} is a nop so... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)		(0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME)		(0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do { } while (0)
-
 #define HAVE_PCI_MMAP
 extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
 			       enum pci_mmap_state mmap_state, int write_combine);
diff --git a/arch/cris/include/asm/unistd.h b/arch/cris/include/asm/unistd.h
index c17079388bb9..f6fad83b3a8c 100644
--- a/arch/cris/include/asm/unistd.h
+++ b/arch/cris/include/asm/unistd.h
@@ -352,6 +352,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -364,6 +365,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_MMAP
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/cris/kernel/sys_cris.c b/arch/cris/kernel/sys_cris.c
index c2bbb1ac98a9..7aa036ec78ff 100644
--- a/arch/cris/kernel/sys_cris.c
+++ b/arch/cris/kernel/sys_cris.c
@@ -26,24 +26,6 @@
 #include <asm/uaccess.h>
 #include <asm/segment.h>
 
-asmlinkage unsigned long old_mmap(unsigned long __user *args)
-{        
-	unsigned long buffer[6];
-	int err = -EFAULT;
-
-	if (copy_from_user(&buffer, args, sizeof(buffer)))
-		goto out;
-
-	err = -EINVAL;
-	if (buffer[5] & ~PAGE_MASK) /* verify that offset is on page boundary */
-		goto out;
-
-	err = sys_mmap_pgoff(buffer[0], buffer[1], buffer[2], buffer[3],
-                       buffer[4], buffer[5] >> PAGE_SHIFT);
-out:
-	return err;
-}
-
 asmlinkage long
 sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
           unsigned long flags, unsigned long fd, unsigned long pgoff)
@@ -51,81 +33,3 @@ sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot,
 	/* bug(?): 8Kb pages here */
         return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
 }
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly. (same as arch/i386)
- */
-
-asmlinkage int sys_ipc (uint call, int first, int second,
-			int third, void __user *ptr, long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	switch (call) {
-	case SEMOP:
-		return sys_semtimedop (first, (struct sembuf __user *)ptr, second, NULL);
-	case SEMTIMEDOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr, second,
-					(const struct timespec __user *)fifth);
-
-	case SEMGET:
-		return sys_semget (first, second, third);
-	case SEMCTL: {
-		union semun fourth;
-		if (!ptr)
-			return -EINVAL;
-		if (get_user(fourth.__pad, (void * __user *) ptr))
-			return -EFAULT;
-		return sys_semctl (first, second, third, fourth);
-	}
-
-	case MSGSND:
-		return sys_msgsnd (first, (struct msgbuf __user *) ptr, 
-				   second, third);
-	case MSGRCV:
-		switch (version) {
-		case 0: {
-			struct ipc_kludge tmp;
-			if (!ptr)
-				return -EINVAL;
-			
-			if (copy_from_user(&tmp,
-					   (struct ipc_kludge __user *) ptr, 
-					   sizeof (tmp)))
-				return -EFAULT;
-			return sys_msgrcv (first, tmp.msgp, second,
-					   tmp.msgtyp, third);
-		}
-		default:
-			return sys_msgrcv (first,
-					   (struct msgbuf __user *) ptr,
-					   second, fifth, third);
-		}
-	case MSGGET:
-		return sys_msgget ((key_t) first, second);
-	case MSGCTL:
-		return sys_msgctl (first, second, (struct msqid_ds __user *) ptr);
-
-	case SHMAT: {
-                ulong raddr;
-                ret = do_shmat (first, (char __user *) ptr, second, &raddr);
-                if (ret)
-                        return ret;
-                return put_user (raddr, (ulong __user *) third);
-        }
-	case SHMDT: 
-		return sys_shmdt ((char __user *)ptr);
-	case SHMGET:
-		return sys_shmget (first, second, third);
-	case SHMCTL:
-		return sys_shmctl (first, second,
-				   (struct shmid_ds __user *) ptr);
-	default:
-		return -ENOSYS;
-	}
-}
diff --git a/arch/cris/kernel/time.c b/arch/cris/kernel/time.c
index 074fe7dea96b..a05dd31f3efb 100644
--- a/arch/cris/kernel/time.c
+++ b/arch/cris/kernel/time.c
@@ -42,75 +42,11 @@ unsigned long loops_per_usec;
 extern unsigned long do_slow_gettimeoffset(void);
 static unsigned long (*do_gettimeoffset)(void) = do_slow_gettimeoffset;
 
-/*
- * This version of gettimeofday has near microsecond resolution.
- *
- * Note: Division is quite slow on CRIS and do_gettimeofday is called
- *       rather often. Maybe we should do some kind of approximation here
- *       (a naive approximation would be to divide by 1024).
- */
-void do_gettimeofday(struct timeval *tv)
-{
-	unsigned long flags;
-	signed long usec, sec;
-	local_irq_save(flags);
-	usec = do_gettimeoffset();
-
-        /*
-	 * If time_adjust is negative then NTP is slowing the clock
-	 * so make sure not to go into next possible interval.
-	 * Better to lose some accuracy than have time go backwards..
-	 */
-	if (unlikely(time_adjust < 0) && usec > tickadj)
-		usec = tickadj;
-
-	sec = xtime.tv_sec;
-	usec += xtime.tv_nsec / 1000;
-	local_irq_restore(flags);
-
-	while (usec >= 1000000) {
-		usec -= 1000000;
-		sec++;
-	}
-
-	tv->tv_sec = sec;
-	tv->tv_usec = usec;
-}
-
-EXPORT_SYMBOL(do_gettimeofday);
-
-int do_settimeofday(struct timespec *tv)
+u32 arch_gettimeoffset(void)
 {
-	time_t wtm_sec, sec = tv->tv_sec;
-	long wtm_nsec, nsec = tv->tv_nsec;
-
-	if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC)
-		return -EINVAL;
-
-	write_seqlock_irq(&xtime_lock);
-	/*
-	 * This is revolting. We need to set "xtime" correctly. However, the
-	 * value in this location is the value at the most recent update of
-	 * wall time.  Discover what correction gettimeofday() would have
-	 * made, and then undo it!
-	 */
-	nsec -= do_gettimeoffset() * NSEC_PER_USEC;
-
-	wtm_sec  = wall_to_monotonic.tv_sec + (xtime.tv_sec - sec);
-	wtm_nsec = wall_to_monotonic.tv_nsec + (xtime.tv_nsec - nsec);
-
-	set_normalized_timespec(&xtime, sec, nsec);
-	set_normalized_timespec(&wall_to_monotonic, wtm_sec, wtm_nsec);
-
-	ntp_clear();
-	write_sequnlock_irq(&xtime_lock);
-	clock_was_set();
-	return 0;
+	return do_gettimeoffset() * 1000;
 }
 
-EXPORT_SYMBOL(do_settimeofday);
-
-
 /*
  * BUG: This routine does not handle hour overflow properly; it just
  *      sets the minutes. Usually you'll only notice that after reboot!
diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h
index b2898877c07b..6af5d83e2fb2 100644
--- a/arch/frv/include/asm/dma-mapping.h
+++ b/arch/frv/include/asm/dma-mapping.h
@@ -7,6 +7,11 @@
 #include <asm/scatterlist.h>
 #include <asm/io.h>
 
+/*
+ * See Documentation/DMA-API.txt for the description of how the
+ * following DMA API should work.
+ */
+
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
 
@@ -16,24 +21,9 @@ extern unsigned long __nongprelbss dma_coherent_mem_end;
 void *dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp);
 void dma_free_coherent(struct device *dev, size_t size, void *vaddr, dma_addr_t dma_handle);
 
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory
- * until either pci_unmap_single or pci_dma_sync_single is performed.
- */
 extern dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 				 enum dma_data_direction direction);
 
-/*
- * Unmap a single streaming mode DMA translation.  The dma_addr and size
- * must match what was provided for in a previous pci_map_single call.  All
- * other usages are undefined.
- *
- * After this call, reads by the cpu to the buffer are guarenteed to see
- * whatever the device wrote there.
- */
 static inline
 void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
 		      enum dma_data_direction direction)
@@ -41,30 +31,9 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
 	BUG_ON(direction == DMA_NONE);
 }
 
-/*
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA.  This is the scather-gather version of the
- * above pci_map_single interface.  Here the scatter gather list
- * elements are each tagged with the appropriate dma address
- * and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of
- *       DMA address/length pairs than there are SG table elements.
- *       (for example via virtual mapping capabilities)
- *       The routine returns the number of addr/length pairs actually
- *       used, at most nents.
- *
- * Device ownership issues as mentioned above for pci_map_single are
- * the same here.
- */
 extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 		      enum dma_data_direction direction);
 
-/*
- * Unmap a set of streaming mode DMA translations.
- * Again, cpu read rules concerning calls here are the same as for
- * pci_unmap_single() above.
- */
 static inline
 void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
 	     enum dma_data_direction direction)
diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h
index 492b5c4dfed6..0d5997909850 100644
--- a/arch/frv/include/asm/pci.h
+++ b/arch/frv/include/asm/pci.h
@@ -43,14 +43,6 @@ extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
 /* Return the index of the PCI controller for device PDEV. */
 #define pci_controller_num(PDEV)	(0)
 
-/* pci_unmap_{page,single} is a nop so... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)		(0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME)		(0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do { } while (0)
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 					enum pci_dma_burst_strategy *strat,
@@ -68,41 +60,4 @@ static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 #define PCIBIOS_MIN_IO		0x100
 #define PCIBIOS_MIN_MEM		0x00010000
 
-/* Make physical memory consistent for a single
- * streaming mode DMA translation after a transfer.
- *
- * If you perform a pci_map_single() but wish to interrogate the
- * buffer using the cpu, yet do not wish to teardown the PCI dma
- * mapping, you must call this function before doing so.  At the
- * next point you give the PCI dma address back to the card, the
- * device again owns the buffer.
- */
-static inline void pci_dma_sync_single(struct pci_dev *hwdev,
-				       dma_addr_t dma_handle,
-				       size_t size, int direction)
-{
-	BUG_ON(direction == PCI_DMA_NONE);
-
-	frv_cache_wback_inv((unsigned long)bus_to_virt(dma_handle),
-			    (unsigned long)bus_to_virt(dma_handle) + size);
-}
-
-/* Make physical memory consistent for a set of streaming
- * mode DMA translations after a transfer.
- *
- * The same as pci_dma_sync_single but for a scatter-gather list,
- * same rules and usage.
- */
-static inline void pci_dma_sync_sg(struct pci_dev *hwdev,
-				   struct scatterlist *sg,
-				   int nelems, int direction)
-{
-	int i;
-	BUG_ON(direction == PCI_DMA_NONE);
-
-	for (i = 0; i < nelems; i++)
-		frv_cache_wback_inv(sg_dma_address(&sg[i]),
-				    sg_dma_address(&sg[i])+sg_dma_len(&sg[i]));
-}
-
 #endif /* _ASM_FRV_PCI_H */
diff --git a/arch/frv/include/asm/ptrace.h b/arch/frv/include/asm/ptrace.h
index a54b535c9e49..6bfad4cf1907 100644
--- a/arch/frv/include/asm/ptrace.h
+++ b/arch/frv/include/asm/ptrace.h
@@ -84,8 +84,6 @@ extern void show_regs(struct pt_regs *);
 #define task_pt_regs(task) ((task)->thread.frame0)
 
 #define arch_has_single_step()	(1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
 
 #endif /* !__ASSEMBLY__ */
 #endif /* __KERNEL__ */
diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h
index be6ef0f5cd42..b28da499e22a 100644
--- a/arch/frv/include/asm/unistd.h
+++ b/arch/frv/include/asm/unistd.h
@@ -354,6 +354,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 /* #define __ARCH_WANT_SYS_GETHOSTNAME */
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 /* #define __ARCH_WANT_SYS_SGETMASK */
 /* #define __ARCH_WANT_SYS_SIGNAL */
diff --git a/arch/frv/kernel/sys_frv.c b/arch/frv/kernel/sys_frv.c
index 1d3d4c9e2521..9c4980825bbb 100644
--- a/arch/frv/kernel/sys_frv.c
+++ b/arch/frv/kernel/sys_frv.c
@@ -42,92 +42,3 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
 	return sys_mmap_pgoff(addr, len, prot, flags, fd,
 			      pgoff >> (PAGE_SHIFT - 12));
 }
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage long sys_ipc(unsigned long call,
-			unsigned long first,
-			unsigned long second,
-			unsigned long third,
-			void __user *ptr,
-			unsigned long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	switch (call) {
-	case SEMOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr, second, NULL);
-	case SEMTIMEDOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr, second,
-				      (const struct timespec __user *)fifth);
-
-	case SEMGET:
-		return sys_semget (first, second, third);
-	case SEMCTL: {
-		union semun fourth;
-		if (!ptr)
-			return -EINVAL;
-		if (get_user(fourth.__pad, (void * __user *) ptr))
-			return -EFAULT;
-		return sys_semctl (first, second, third, fourth);
-	}
-
-	case MSGSND:
-		return sys_msgsnd (first, (struct msgbuf __user *) ptr,
-				   second, third);
-	case MSGRCV:
-		switch (version) {
-		case 0: {
-			struct ipc_kludge tmp;
-			if (!ptr)
-				return -EINVAL;
-
-			if (copy_from_user(&tmp,
-					   (struct ipc_kludge __user *) ptr,
-					   sizeof (tmp)))
-				return -EFAULT;
-			return sys_msgrcv (first, tmp.msgp, second,
-					   tmp.msgtyp, third);
-		}
-		default:
-			return sys_msgrcv (first,
-					   (struct msgbuf __user *) ptr,
-					   second, fifth, third);
-		}
-	case MSGGET:
-		return sys_msgget ((key_t) first, second);
-	case MSGCTL:
-		return sys_msgctl (first, second, (struct msqid_ds __user *) ptr);
-
-	case SHMAT:
-		switch (version) {
-		default: {
-			ulong raddr;
-			ret = do_shmat (first, (char __user *) ptr, second, &raddr);
-			if (ret)
-				return ret;
-			return put_user (raddr, (ulong __user *) third);
-		}
-		case 1:	/* iBCS2 emulator entry point */
-			if (!segment_eq(get_fs(), get_ds()))
-				return -EINVAL;
-			/* The "(ulong *) third" is valid _only_ because of the kernel segment thing */
-			return do_shmat (first, (char __user *) ptr, second, (ulong *) third);
-		}
-	case SHMDT:
-		return sys_shmdt ((char __user *)ptr);
-	case SHMGET:
-		return sys_shmget (first, second, third);
-	case SHMCTL:
-		return sys_shmctl (first, second,
-				   (struct shmid_ds __user *) ptr);
-	default:
-		return -ENOSYS;
-	}
-}
diff --git a/arch/frv/mb93090-mb00/pci-dma-nommu.c b/arch/frv/mb93090-mb00/pci-dma-nommu.c
index 4e1ba0b15443..e47857f889b6 100644
--- a/arch/frv/mb93090-mb00/pci-dma-nommu.c
+++ b/arch/frv/mb93090-mb00/pci-dma-nommu.c
@@ -106,13 +106,6 @@ void dma_free_coherent(struct device *hwdev, size_t size, void *vaddr, dma_addr_
 
 EXPORT_SYMBOL(dma_free_coherent);
 
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory
- * until either dma_unmap_single or pci_dma_sync_single is performed.
- */
 dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 			  enum dma_data_direction direction)
 {
@@ -125,22 +118,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 
 EXPORT_SYMBOL(dma_map_single);
 
-/*
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA.  This is the scather-gather version of the
- * above dma_map_single interface.  Here the scatter gather list
- * elements are each tagged with the appropriate dma address
- * and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of
- *       DMA address/length pairs than there are SG table elements.
- *       (for example via virtual mapping capabilities)
- *       The routine returns the number of addr/length pairs actually
- *       used, at most nents.
- *
- * Device ownership issues as mentioned above for dma_map_single are
- * the same here.
- */
 int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 	       enum dma_data_direction direction)
 {
@@ -157,13 +134,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 
 EXPORT_SYMBOL(dma_map_sg);
 
-/*
- * Map a single page of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Device ownership issues as mentioned above for dma_map_single are
- * the same here.
- */
 dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset,
 			size_t size, enum dma_data_direction direction)
 {
diff --git a/arch/frv/mb93090-mb00/pci-dma.c b/arch/frv/mb93090-mb00/pci-dma.c
index 45954f0813dc..2c912e805162 100644
--- a/arch/frv/mb93090-mb00/pci-dma.c
+++ b/arch/frv/mb93090-mb00/pci-dma.c
@@ -38,13 +38,6 @@ void dma_free_coherent(struct device *hwdev, size_t size, void *vaddr, dma_addr_
 
 EXPORT_SYMBOL(dma_free_coherent);
 
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory
- * until either pci_unmap_single or pci_dma_sync_single is performed.
- */
 dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 			  enum dma_data_direction direction)
 {
@@ -57,22 +50,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 
 EXPORT_SYMBOL(dma_map_single);
 
-/*
- * Map a set of buffers described by scatterlist in streaming
- * mode for DMA.  This is the scather-gather version of the
- * above dma_map_single interface.  Here the scatter gather list
- * elements are each tagged with the appropriate dma address
- * and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of
- *       DMA address/length pairs than there are SG table elements.
- *       (for example via virtual mapping capabilities)
- *       The routine returns the number of addr/length pairs actually
- *       used, at most nents.
- *
- * Device ownership issues as mentioned above for dma_map_single are
- * the same here.
- */
 int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 	       enum dma_data_direction direction)
 {
@@ -103,13 +80,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents,
 
 EXPORT_SYMBOL(dma_map_sg);
 
-/*
- * Map a single page of the indicated size for DMA in streaming mode.
- * The 32-bit bus address to use is returned.
- *
- * Device ownership issues as mentioned above for dma_map_single are
- * the same here.
- */
 dma_addr_t dma_map_page(struct device *dev, struct page *page, unsigned long offset,
 			size_t size, enum dma_data_direction direction)
 {
diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c
index 1ed15d7fea20..6b4fb28e9f99 100644
--- a/arch/frv/mb93090-mb00/pci-frv.c
+++ b/arch/frv/mb93090-mb00/pci-frv.c
@@ -41,7 +41,7 @@ pcibios_align_resource(void *data, const struct resource *res,
 	if ((res->flags & IORESOURCE_IO) && (start & 0x300))
 		start = (start + 0x3ff) & ~0x3ff;
 
-	return start
+	return start;
 }
 
 
@@ -94,8 +94,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
 				r = &dev->resource[idx];
 				if (!r->start)
 					continue;
-				if (pci_claim_resource(dev, idx) < 0)
-					printk(KERN_ERR "PCI: Cannot allocate resource region %d of bridge %s\n", idx, pci_name(dev));
+				pci_claim_resource(dev, idx);
 			}
 		}
 		pcibios_allocate_bus_resources(&bus->children);
@@ -125,7 +124,6 @@ static void __init pcibios_allocate_resources(int pass)
 				DBG("PCI: Resource %08lx-%08lx (f=%lx, d=%d, p=%d)\n",
 				    r->start, r->end, r->flags, disabled, pass);
 				if (pci_claim_resource(dev, idx) < 0) {
-					printk(KERN_ERR "PCI: Cannot allocate resource region %d of device %s\n", idx, pci_name(dev));
 					/* We'll assign a new address later */
 					r->end -= r->start;
 					r->start = 0;
diff --git a/arch/h8300/include/asm/io.h b/arch/h8300/include/asm/io.h
index 33e842f3284b..c1a8df22080f 100644
--- a/arch/h8300/include/asm/io.h
+++ b/arch/h8300/include/asm/io.h
@@ -25,7 +25,7 @@
  * memory location directly.
  */
 /* ++roman: The assignments to temp. vars avoid that gcc sometimes generates
- * two accesses to memory, which may be undesireable for some devices.
+ * two accesses to memory, which may be undesirable for some devices.
  */
 
 /*
diff --git a/arch/h8300/include/asm/ptrace.h b/arch/h8300/include/asm/ptrace.h
index c2e05e4b512e..d866c0efba87 100644
--- a/arch/h8300/include/asm/ptrace.h
+++ b/arch/h8300/include/asm/ptrace.h
@@ -55,6 +55,8 @@ struct pt_regs {
 /* Find the stack offset for a register, relative to thread.esp0. */
 #define PT_REG(reg)	((long)&((struct pt_regs *)0)->reg)
 
+#define arch_has_single_step()	(1)
+
 #define user_mode(regs) (!((regs)->ccr & PS_S))
 #define instruction_pointer(regs) ((regs)->pc)
 #define profile_pc(regs) instruction_pointer(regs)
diff --git a/arch/h8300/include/asm/unistd.h b/arch/h8300/include/asm/unistd.h
index 99f3c3561ecb..50f2c5a36591 100644
--- a/arch/h8300/include/asm/unistd.h
+++ b/arch/h8300/include/asm/unistd.h
@@ -336,6 +336,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -348,6 +349,8 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_MMAP
+#define __ARCH_WANT_SYS_OLD_SELECT
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c
index d32bbf02fc48..df114122ebdf 100644
--- a/arch/h8300/kernel/ptrace.c
+++ b/arch/h8300/kernel/ptrace.c
@@ -34,25 +34,20 @@
 /* cpu depend functions */
 extern long h8300_get_reg(struct task_struct *task, int regno);
 extern int  h8300_put_reg(struct task_struct *task, int regno, unsigned long data);
-extern void h8300_disable_trace(struct task_struct *child);
-extern void h8300_enable_trace(struct task_struct *child);
+
+
+void user_disable_single_step(struct task_struct *child)
+{
+}
 
 /*
  * does not yet catch signals sent when the child dies.
  * in exit.c or in signal.c.
  */
 
-inline
-static int read_long(struct task_struct * tsk, unsigned long addr,
-	unsigned long * result)
-{
-	*result = *(unsigned long *)addr;
-	return 0;
-}
-
 void ptrace_disable(struct task_struct *child)
 {
-	h8300_disable_trace(child);
+	user_disable_single_step(child);
 }
 
 long arch_ptrace(struct task_struct *child, long request, long addr, long data)
@@ -60,17 +55,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	int ret;
 
 	switch (request) {
-		case PTRACE_PEEKTEXT: /* read word at location addr. */ 
-		case PTRACE_PEEKDATA: {
-			unsigned long tmp;
-
-			ret = read_long(child, addr, &tmp);
-			if (ret < 0)
-				break ;
-			ret = put_user(tmp, (unsigned long *) data);
-			break ;
-		}
-
 	/* read the word at location addr in the USER area. */
 		case PTRACE_PEEKUSR: {
 			unsigned long tmp = 0;
@@ -109,11 +93,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		}
 
       /* when I and D space are separate, this will have to be fixed. */
-		case PTRACE_POKETEXT: /* write the word at location addr. */
-		case PTRACE_POKEDATA:
-			ret = generic_ptrace_pokedata(child, addr, data);
-			break;
-
 		case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
 			if ((addr & 3) || addr < 0 || addr >= sizeof(struct user)) {
 				ret = -EIO;
@@ -131,53 +110,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			}
 			ret = -EIO;
 			break ;
-		case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
-		case PTRACE_CONT: { /* restart after signal. */
-			ret = -EIO;
-			if (!valid_signal(data))
-				break ;
-			if (request == PTRACE_SYSCALL)
-				set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			else
-				clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			child->exit_code = data;
-			wake_up_process(child);
-			/* make sure the single step bit is not set. */
-			h8300_disable_trace(child);
-			ret = 0;
-		}
-
-/*
- * make the child exit.  Best I can do is send it a sigkill. 
- * perhaps it should be put in the status that it wants to 
- * exit.
- */
-		case PTRACE_KILL: {
-
-			ret = 0;
-			if (child->exit_state == EXIT_ZOMBIE) /* already dead */
-				break;
-			child->exit_code = SIGKILL;
-			h8300_disable_trace(child);
-			wake_up_process(child);
-			break;
-		}
-
-		case PTRACE_SINGLESTEP: {  /* set the trap flag. */
-			ret = -EIO;
-			if (!valid_signal(data))
-				break;
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			child->exit_code = data;
-			h8300_enable_trace(child);
-			wake_up_process(child);
-			ret = 0;
-			break;
-		}
-
-		case PTRACE_DETACH:	/* detach a process that was attached. */
-			ret = ptrace_detach(child, data);
-			break;
 
 		case PTRACE_GETREGS: { /* Get all gp regs from the child. */
 		  	int i;
@@ -210,7 +142,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		}
 
 		default:
-			ret = -EIO;
+			ret = ptrace_request(child, request, addr, data);
 			break;
 	}
 	return ret;
diff --git a/arch/h8300/kernel/sys_h8300.c b/arch/h8300/kernel/sys_h8300.c
index b5969db0ca10..f9b3f44da69f 100644
--- a/arch/h8300/kernel/sys_h8300.c
+++ b/arch/h8300/kernel/sys_h8300.c
@@ -26,144 +26,6 @@
 #include <asm/traps.h>
 #include <asm/unistd.h>
 
-/*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux/m68k cloned Linux/i386, which didn't use to be able to
- * handle more than 4 system call parameters, so these system calls
- * used a memory block for parameter passing..
- */
-
-struct mmap_arg_struct {
-	unsigned long addr;
-	unsigned long len;
-	unsigned long prot;
-	unsigned long flags;
-	unsigned long fd;
-	unsigned long offset;
-};
-
-asmlinkage int old_mmap(struct mmap_arg_struct *arg)
-{
-	struct mmap_arg_struct a;
-	int error = -EFAULT;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		goto out;
-
-	error = -EINVAL;
-	if (a.offset & ~PAGE_MASK)
-		goto out;
-
-	error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
-			       a.offset >> PAGE_SHIFT);
-out:
-	return error;
-}
-
-struct sel_arg_struct {
-	unsigned long n;
-	fd_set *inp, *outp, *exp;
-	struct timeval *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct *arg)
-{
-	struct sel_arg_struct a;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		return -EFAULT;
-	/* sys_select() does the appropriate kernel locking */
-	return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc (uint call, int first, int second,
-			int third, void *ptr, long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	if (call <= SEMCTL)
-		switch (call) {
-		case SEMOP:
-			return sys_semop (first, (struct sembuf *)ptr, second);
-		case SEMGET:
-			return sys_semget (first, second, third);
-		case SEMCTL: {
-			union semun fourth;
-			if (!ptr)
-				return -EINVAL;
-			if (get_user(fourth.__pad, (void **) ptr))
-				return -EFAULT;
-			return sys_semctl (first, second, third, fourth);
-			}
-		default:
-			return -EINVAL;
-		}
-	if (call <= MSGCTL) 
-		switch (call) {
-		case MSGSND:
-			return sys_msgsnd (first, (struct msgbuf *) ptr, 
-					  second, third);
-		case MSGRCV:
-			switch (version) {
-			case 0: {
-				struct ipc_kludge tmp;
-				if (!ptr)
-					return -EINVAL;
-				if (copy_from_user (&tmp,
-						    (struct ipc_kludge *)ptr,
-						    sizeof (tmp)))
-					return -EFAULT;
-				return sys_msgrcv (first, tmp.msgp, second,
-						   tmp.msgtyp, third);
-				}
-			default:
-				return sys_msgrcv (first,
-						   (struct msgbuf *) ptr,
-						   second, fifth, third);
-			}
-		case MSGGET:
-			return sys_msgget ((key_t) first, second);
-		case MSGCTL:
-			return sys_msgctl (first, second,
-					   (struct msqid_ds *) ptr);
-		default:
-			return -EINVAL;
-		}
-	if (call <= SHMCTL) 
-		switch (call) {
-		case SHMAT:
-			switch (version) {
-			default: {
-				ulong raddr;
-				ret = do_shmat (first, (char *) ptr,
-						 second, &raddr);
-				if (ret)
-					return ret;
-				return put_user (raddr, (ulong *) third);
-			}
-			}
-		case SHMDT: 
-			return sys_shmdt ((char *)ptr);
-		case SHMGET:
-			return sys_shmget (first, second, third);
-		case SHMCTL:
-			return sys_shmctl (first, second,
-					   (struct shmid_ds *) ptr);
-		default:
-			return -EINVAL;
-		}
-
-	return -EINVAL;
-}
-
 /* sys_cacheflush -- no support.  */
 asmlinkage int
 sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len)
diff --git a/arch/h8300/kernel/syscalls.S b/arch/h8300/kernel/syscalls.S
index 2d69881eda6a..faefaff7d43d 100644
--- a/arch/h8300/kernel/syscalls.S
+++ b/arch/h8300/kernel/syscalls.S
@@ -96,7 +96,7 @@ SYMBOL_NAME_LABEL(sys_call_table)
 	.long SYMBOL_NAME(sys_settimeofday)
 	.long SYMBOL_NAME(sys_getgroups16)	/* 80 */
 	.long SYMBOL_NAME(sys_setgroups16)
-	.long SYMBOL_NAME(old_select)
+	.long SYMBOL_NAME(sys_old_select)
 	.long SYMBOL_NAME(sys_symlink)
 	.long SYMBOL_NAME(sys_lstat)
 	.long SYMBOL_NAME(sys_readlink)		/* 85 */
@@ -104,7 +104,7 @@ SYMBOL_NAME_LABEL(sys_call_table)
 	.long SYMBOL_NAME(sys_swapon)
 	.long SYMBOL_NAME(sys_reboot)
 	.long SYMBOL_NAME(sys_old_readdir)
-	.long SYMBOL_NAME(old_mmap)		/* 90 */
+	.long SYMBOL_NAME(sys_old_mmap)		/* 90 */
 	.long SYMBOL_NAME(sys_munmap)
 	.long SYMBOL_NAME(sys_truncate)
 	.long SYMBOL_NAME(sys_ftruncate)
diff --git a/arch/h8300/platform/h8300h/ptrace_h8300h.c b/arch/h8300/platform/h8300h/ptrace_h8300h.c
index 746b1ae672a1..4f1ed0279633 100644
--- a/arch/h8300/platform/h8300h/ptrace_h8300h.c
+++ b/arch/h8300/platform/h8300h/ptrace_h8300h.c
@@ -60,7 +60,7 @@ int h8300_put_reg(struct task_struct *task, int regno, unsigned long data)
 }
 
 /* disable singlestep */
-void h8300_disable_trace(struct task_struct *child)
+void user_disable_single_step(struct task_struct *child)
 {
 	if((long)child->thread.breakinfo.addr != -1L) {
 		*child->thread.breakinfo.addr = child->thread.breakinfo.inst;
@@ -264,7 +264,7 @@ static unsigned short *getnextpc(struct task_struct *child, unsigned short *pc)
 
 /* Set breakpoint(s) to simulate a single step from the current PC.  */
 
-void h8300_enable_trace(struct task_struct *child)
+void user_enable_single_step(struct task_struct *child)
 {
 	unsigned short *nextpc;
 	nextpc = getnextpc(child,(unsigned short *)h8300_get_reg(child, PT_PC));
@@ -276,7 +276,7 @@ void h8300_enable_trace(struct task_struct *child)
 asmlinkage void trace_trap(unsigned long bp)
 {
 	if ((unsigned long)current->thread.breakinfo.addr == bp) {
-		h8300_disable_trace(current);
+		user_disable_single_step(current);
 		force_sig(SIGTRAP,current);
 	} else
 	        force_sig(SIGILL,current);
diff --git a/arch/h8300/platform/h8s/ptrace_h8s.c b/arch/h8300/platform/h8s/ptrace_h8s.c
index e8cd46f9255c..c058ab1a8495 100644
--- a/arch/h8300/platform/h8s/ptrace_h8s.c
+++ b/arch/h8300/platform/h8s/ptrace_h8s.c
@@ -65,13 +65,13 @@ int h8300_put_reg(struct task_struct *task, int regno, unsigned long data)
 }
 
 /* disable singlestep */
-void h8300_disable_trace(struct task_struct *child)
+void user_disable_single_step(struct task_struct *child)
 {
 	*(unsigned short *)(child->thread.esp0 + h8300_register_offset[PT_EXR]) &= ~EXR_TRACE;
 }
 
 /* enable singlestep */
-void h8300_enable_trace(struct task_struct *child)
+void user_enable_single_step(struct task_struct *child)
 {
 	*(unsigned short *)(child->thread.esp0 + h8300_register_offset[PT_EXR]) |= EXR_TRACE;
 }
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 9a50d7dd2a0b..4d4f4188cdf1 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -53,6 +53,9 @@ config MMU
 	bool
 	default y
 
+config NEED_DMA_MAP_STATE
+	def_bool y
+
 config SWIOTLB
        bool
 
diff --git a/arch/ia64/include/asm/compat.h b/arch/ia64/include/asm/compat.h
index dfcf75b8426d..f90edc85b509 100644
--- a/arch/ia64/include/asm/compat.h
+++ b/arch/ia64/include/asm/compat.h
@@ -5,7 +5,8 @@
  */
 #include <linux/types.h>
 
-#define COMPAT_USER_HZ	100
+#define COMPAT_USER_HZ		100
+#define COMPAT_UTS_MACHINE	"i686\0\0\0"
 
 typedef u32		compat_size_t;
 typedef s32		compat_ssize_t;
diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h
index 4c41656ede87..b5298eb09adb 100644
--- a/arch/ia64/include/asm/elf.h
+++ b/arch/ia64/include/asm/elf.h
@@ -219,54 +219,6 @@ do {										\
 	NEW_AUX_ENT(AT_SYSINFO_EHDR, (unsigned long) GATE_EHDR);		\
 } while (0)
 
-
-/*
- * These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out
- * extra segments containing the gate DSO contents.  Dumping its
- * contents makes post-mortem fully interpretable later without matching up
- * the same kernel and hardware config to see what PC values meant.
- * Dumping its extra ELF program headers includes all the other information
- * a debugger needs to easily find how the gate DSO was being used.
- */
-#define ELF_CORE_EXTRA_PHDRS		(GATE_EHDR->e_phnum)
-#define ELF_CORE_WRITE_EXTRA_PHDRS						\
-do {										\
-	const struct elf_phdr *const gate_phdrs =			      \
-		(const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff);   \
-	int i;									\
-	Elf64_Off ofs = 0;						      \
-	for (i = 0; i < GATE_EHDR->e_phnum; ++i) {				\
-		struct elf_phdr phdr = gate_phdrs[i];			      \
-		if (phdr.p_type == PT_LOAD) {					\
-			phdr.p_memsz = PAGE_ALIGN(phdr.p_memsz);	      \
-			phdr.p_filesz = phdr.p_memsz;			      \
-			if (ofs == 0) {					      \
-				ofs = phdr.p_offset = offset;		      \
-			offset += phdr.p_filesz;				\
-		}							      \
-		else							      \
-				phdr.p_offset = ofs;			      \
-		}							      \
-		else							      \
-			phdr.p_offset += ofs;					\
-		phdr.p_paddr = 0; /* match other core phdrs */			\
-		DUMP_WRITE(&phdr, sizeof(phdr));				\
-	}									\
-} while (0)
-#define ELF_CORE_WRITE_EXTRA_DATA					\
-do {									\
-	const struct elf_phdr *const gate_phdrs =			      \
-		(const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff);   \
-	int i;								\
-	for (i = 0; i < GATE_EHDR->e_phnum; ++i) {			\
-		if (gate_phdrs[i].p_type == PT_LOAD) {			      \
-			DUMP_WRITE((void *) gate_phdrs[i].p_vaddr,	      \
-				   PAGE_ALIGN(gate_phdrs[i].p_memsz));	      \
-			break;						      \
-		}							      \
-	}								\
-} while (0)
-
 /*
  * format for entries in the Global Offset Table
  */
diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
index 55281aabe5f2..73b5f785e70c 100644
--- a/arch/ia64/include/asm/pci.h
+++ b/arch/ia64/include/asm/pci.h
@@ -56,20 +56,6 @@ pcibios_penalize_isa_irq (int irq, int active)
 
 #include <asm-generic/pci-dma-compat.h>
 
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	\
-	dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)		\
-	__u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)			\
-	((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)		\
-	(((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)			\
-	((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)		\
-	(((PTR)->LEN_NAME) = (VAL))
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 					enum pci_dma_burst_strategy *strat,
diff --git a/arch/ia64/include/asm/percpu.h b/arch/ia64/include/asm/percpu.h
index 30cf46534dd2..f7c00a5e0e2b 100644
--- a/arch/ia64/include/asm/percpu.h
+++ b/arch/ia64/include/asm/percpu.h
@@ -9,7 +9,7 @@
 #define PERCPU_ENOUGH_ROOM PERCPU_PAGE_SIZE
 
 #ifdef __ASSEMBLY__
-# define THIS_CPU(var)	(per_cpu__##var)  /* use this to mark accesses to per-CPU variables... */
+# define THIS_CPU(var)	(var)  /* use this to mark accesses to per-CPU variables... */
 #else /* !__ASSEMBLY__ */
 
 
@@ -39,7 +39,7 @@ extern void *per_cpu_init(void);
  * On the positive side, using __ia64_per_cpu_var() instead of __get_cpu_var() is slightly
  * more efficient.
  */
-#define __ia64_per_cpu_var(var)	per_cpu__##var
+#define __ia64_per_cpu_var(var)	var
 
 #include <asm-generic/percpu.h>
 
diff --git a/arch/ia64/include/asm/ptrace.h b/arch/ia64/include/asm/ptrace.h
index 14055c636adf..7ae9c3f15a1c 100644
--- a/arch/ia64/include/asm/ptrace.h
+++ b/arch/ia64/include/asm/ptrace.h
@@ -319,11 +319,7 @@ static inline unsigned long user_stack_pointer(struct pt_regs *regs)
 	ptrace_attach_sync_user_rbs(child)
 
   #define arch_has_single_step()  (1)
-  extern void user_enable_single_step(struct task_struct *);
-  extern void user_disable_single_step(struct task_struct *);
-
   #define arch_has_block_step()   (1)
-  extern void user_enable_block_step(struct task_struct *);
 
 #endif /* !__KERNEL__ */
 
diff --git a/arch/ia64/include/asm/xen/events.h b/arch/ia64/include/asm/xen/events.h
index b8370c8b6198..baa74c82aa71 100644
--- a/arch/ia64/include/asm/xen/events.h
+++ b/arch/ia64/include/asm/xen/events.h
@@ -36,10 +36,6 @@ static inline int xen_irqs_disabled(struct pt_regs *regs)
 	return !(ia64_psr(regs)->i);
 }
 
-static inline void handle_irq(int irq, struct pt_regs *regs)
-{
-	__do_IRQ(irq);
-}
 #define irq_ctx_init(cpu)	do { } while (0)
 
 #endif /* _ASM_IA64_XEN_EVENTS_H */
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index 4138282aefa8..db10b1e378b0 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -45,6 +45,8 @@ endif
 obj-$(CONFIG_DMAR)		+= pci-dma.o
 obj-$(CONFIG_SWIOTLB)		+= pci-swiotlb.o
 
+obj-$(CONFIG_BINFMT_ELF)	+= elfcore.o
+
 # fp_emulate() expects f2-f5,f16-f31 to contain the user-level state.
 CFLAGS_traps.o  += -mfixed-range=f2-f5,f16-f31
 
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index c16fb03037d4..f1c9f70b4e45 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -44,6 +44,7 @@
 #include <linux/efi.h>
 #include <linux/mmzone.h>
 #include <linux/nodemask.h>
+#include <acpi/processor.h>
 #include <asm/io.h>
 #include <asm/iosapic.h>
 #include <asm/machvec.h>
@@ -852,8 +853,8 @@ __init void prefill_possible_map(void)
 
 	possible = available_cpus + additional_cpus;
 
-	if (possible > NR_CPUS)
-		possible = NR_CPUS;
+	if (possible > nr_cpu_ids)
+		possible = nr_cpu_ids;
 
 	printk(KERN_INFO "SMP: Allowing %d CPUs, %d hotplug CPUs\n",
 		possible, max((possible - available_cpus), 0));
@@ -907,6 +908,8 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
 	cpu_set(cpu, cpu_present_map);
 	ia64_cpu_to_sapicid[cpu] = physid;
 
+	acpi_processor_set_pdc(handle);
+
 	*pcpu = cpu;
 	return (0);
 }
diff --git a/arch/ia64/kernel/elfcore.c b/arch/ia64/kernel/elfcore.c
new file mode 100644
index 000000000000..bac1639bc320
--- /dev/null
+++ b/arch/ia64/kernel/elfcore.c
@@ -0,0 +1,80 @@
+#include <linux/elf.h>
+#include <linux/coredump.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+
+#include <asm/elf.h>
+
+
+Elf64_Half elf_core_extra_phdrs(void)
+{
+	return GATE_EHDR->e_phnum;
+}
+
+int elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size,
+			       unsigned long limit)
+{
+	const struct elf_phdr *const gate_phdrs =
+		(const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff);
+	int i;
+	Elf64_Off ofs = 0;
+
+	for (i = 0; i < GATE_EHDR->e_phnum; ++i) {
+		struct elf_phdr phdr = gate_phdrs[i];
+
+		if (phdr.p_type == PT_LOAD) {
+			phdr.p_memsz = PAGE_ALIGN(phdr.p_memsz);
+			phdr.p_filesz = phdr.p_memsz;
+			if (ofs == 0) {
+				ofs = phdr.p_offset = offset;
+				offset += phdr.p_filesz;
+			} else {
+				phdr.p_offset = ofs;
+			}
+		} else {
+			phdr.p_offset += ofs;
+		}
+		phdr.p_paddr = 0; /* match other core phdrs */
+		*size += sizeof(phdr);
+		if (*size > limit || !dump_write(file, &phdr, sizeof(phdr)))
+			return 0;
+	}
+	return 1;
+}
+
+int elf_core_write_extra_data(struct file *file, size_t *size,
+			      unsigned long limit)
+{
+	const struct elf_phdr *const gate_phdrs =
+		(const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff);
+	int i;
+
+	for (i = 0; i < GATE_EHDR->e_phnum; ++i) {
+		if (gate_phdrs[i].p_type == PT_LOAD) {
+			void *addr = (void *)gate_phdrs[i].p_vaddr;
+			size_t memsz = PAGE_ALIGN(gate_phdrs[i].p_memsz);
+
+			*size += memsz;
+			if (*size > limit || !dump_write(file, addr, memsz))
+				return 0;
+			break;
+		}
+	}
+	return 1;
+}
+
+size_t elf_core_extra_data_size(void)
+{
+	const struct elf_phdr *const gate_phdrs =
+		(const struct elf_phdr *) (GATE_ADDR + GATE_EHDR->e_phoff);
+	int i;
+	size_t size = 0;
+
+	for (i = 0; i < GATE_EHDR->e_phnum; ++i) {
+		if (gate_phdrs[i].p_type == PT_LOAD) {
+			size += PAGE_ALIGN(gate_phdrs[i].p_memsz);
+			break;
+		}
+	}
+	return size;
+}
diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c
index 461b99902bf6..7f4a0ed24152 100644
--- a/arch/ia64/kernel/ia64_ksyms.c
+++ b/arch/ia64/kernel/ia64_ksyms.c
@@ -30,9 +30,9 @@ EXPORT_SYMBOL(max_low_pfn);	/* defined by bootmem.c, but not exported by generic
 #endif
 
 #include <asm/processor.h>
-EXPORT_SYMBOL(per_cpu__ia64_cpu_info);
+EXPORT_SYMBOL(ia64_cpu_info);
 #ifdef CONFIG_SMP
-EXPORT_SYMBOL(per_cpu__local_per_cpu_offset);
+EXPORT_SYMBOL(local_per_cpu_offset);
 #endif
 
 #include <asm/uaccess.h>
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index b81e46b1629b..703062c44fb9 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -2315,6 +2315,7 @@ pfm_smpl_buffer_alloc(struct task_struct *task, struct file *filp, pfm_context_t
 		DPRINT(("Cannot allocate vma\n"));
 		goto error_kmem;
 	}
+	INIT_LIST_HEAD(&vma->anon_vma_chain);
 
 	/*
 	 * partially initialize the vma for the sampling buffer
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index 8f060352e129..b3a5818088d9 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -282,7 +282,7 @@ static ssize_t cache_show(struct kobject * kobj, struct attribute * attr, char *
 	return ret;
 }
 
-static struct sysfs_ops cache_sysfs_ops = {
+static const struct sysfs_ops cache_sysfs_ops = {
 	.show   = cache_show
 };
 
diff --git a/arch/ia64/kvm/Kconfig b/arch/ia64/kvm/Kconfig
index 01c75797119c..fa4d1e59deb0 100644
--- a/arch/ia64/kvm/Kconfig
+++ b/arch/ia64/kvm/Kconfig
@@ -26,6 +26,7 @@ config KVM
 	select ANON_INODES
 	select HAVE_KVM_IRQCHIP
 	select KVM_APIC_ARCHITECTURE
+	select KVM_MMIO
 	---help---
 	  Support hosting fully virtualized guest machines using hardware
 	  virtualization extensions.  You will need a fairly recent
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 5fdeec5fddcf..26e0e089bfe7 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -241,10 +241,10 @@ static int handle_mmio(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 	return 0;
 mmio:
 	if (p->dir)
-		r = kvm_io_bus_read(&vcpu->kvm->mmio_bus, p->addr,
+		r = kvm_io_bus_read(vcpu->kvm, KVM_MMIO_BUS, p->addr,
 				    p->size, &p->data);
 	else
-		r = kvm_io_bus_write(&vcpu->kvm->mmio_bus, p->addr,
+		r = kvm_io_bus_write(vcpu->kvm, KVM_MMIO_BUS, p->addr,
 				     p->size, &p->data);
 	if (r)
 		printk(KERN_ERR"kvm: No iodevice found! addr:%lx\n", p->addr);
@@ -636,12 +636,9 @@ static void kvm_vcpu_post_transition(struct kvm_vcpu *vcpu)
 static int __vcpu_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 {
 	union context *host_ctx, *guest_ctx;
-	int r;
+	int r, idx;
 
-	/*
-	 * down_read() may sleep and return with interrupts enabled
-	 */
-	down_read(&vcpu->kvm->slots_lock);
+	idx = srcu_read_lock(&vcpu->kvm->srcu);
 
 again:
 	if (signal_pending(current)) {
@@ -663,7 +660,7 @@ again:
 	if (r < 0)
 		goto vcpu_run_fail;
 
-	up_read(&vcpu->kvm->slots_lock);
+	srcu_read_unlock(&vcpu->kvm->srcu, idx);
 	kvm_guest_enter();
 
 	/*
@@ -687,7 +684,7 @@ again:
 	kvm_guest_exit();
 	preempt_enable();
 
-	down_read(&vcpu->kvm->slots_lock);
+	idx = srcu_read_lock(&vcpu->kvm->srcu);
 
 	r = kvm_handle_exit(kvm_run, vcpu);
 
@@ -697,10 +694,10 @@ again:
 	}
 
 out:
-	up_read(&vcpu->kvm->slots_lock);
+	srcu_read_unlock(&vcpu->kvm->srcu, idx);
 	if (r > 0) {
 		kvm_resched(vcpu);
-		down_read(&vcpu->kvm->slots_lock);
+		idx = srcu_read_lock(&vcpu->kvm->srcu);
 		goto again;
 	}
 
@@ -971,7 +968,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
 			goto out;
 		r = kvm_setup_default_irq_routing(kvm);
 		if (r) {
-			kfree(kvm->arch.vioapic);
+			kvm_ioapic_destroy(kvm);
 			goto out;
 		}
 		break;
@@ -1377,12 +1374,14 @@ static void free_kvm(struct kvm *kvm)
 
 static void kvm_release_vm_pages(struct kvm *kvm)
 {
+	struct kvm_memslots *slots;
 	struct kvm_memory_slot *memslot;
 	int i, j;
 	unsigned long base_gfn;
 
-	for (i = 0; i < kvm->nmemslots; i++) {
-		memslot = &kvm->memslots[i];
+	slots = rcu_dereference(kvm->memslots);
+	for (i = 0; i < slots->nmemslots; i++) {
+		memslot = &slots->memslots[i];
 		base_gfn = memslot->base_gfn;
 
 		for (j = 0; j < memslot->npages; j++) {
@@ -1405,6 +1404,7 @@ void kvm_arch_destroy_vm(struct kvm *kvm)
 	kfree(kvm->arch.vioapic);
 	kvm_release_vm_pages(kvm);
 	kvm_free_physmem(kvm);
+	cleanup_srcu_struct(&kvm->srcu);
 	free_kvm(kvm);
 }
 
@@ -1576,15 +1576,15 @@ out:
 	return r;
 }
 
-int kvm_arch_set_memory_region(struct kvm *kvm,
-		struct kvm_userspace_memory_region *mem,
+int kvm_arch_prepare_memory_region(struct kvm *kvm,
+		struct kvm_memory_slot *memslot,
 		struct kvm_memory_slot old,
+		struct kvm_userspace_memory_region *mem,
 		int user_alloc)
 {
 	unsigned long i;
 	unsigned long pfn;
-	int npages = mem->memory_size >> PAGE_SHIFT;
-	struct kvm_memory_slot *memslot = &kvm->memslots[mem->slot];
+	int npages = memslot->npages;
 	unsigned long base_gfn = memslot->base_gfn;
 
 	if (base_gfn + npages > (KVM_MAX_MEM_SIZE >> PAGE_SHIFT))
@@ -1608,6 +1608,14 @@ int kvm_arch_set_memory_region(struct kvm *kvm,
 	return 0;
 }
 
+void kvm_arch_commit_memory_region(struct kvm *kvm,
+		struct kvm_userspace_memory_region *mem,
+		struct kvm_memory_slot old,
+		int user_alloc)
+{
+	return;
+}
+
 void kvm_arch_flush_shadow(struct kvm *kvm)
 {
 	kvm_flush_remote_tlbs(kvm);
@@ -1802,7 +1810,7 @@ static int kvm_ia64_sync_dirty_log(struct kvm *kvm,
 	if (log->slot >= KVM_MEMORY_SLOTS)
 		goto out;
 
-	memslot = &kvm->memslots[log->slot];
+	memslot = &kvm->memslots->memslots[log->slot];
 	r = -ENOENT;
 	if (!memslot->dirty_bitmap)
 		goto out;
@@ -1827,6 +1835,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
 	struct kvm_memory_slot *memslot;
 	int is_dirty = 0;
 
+	mutex_lock(&kvm->slots_lock);
 	spin_lock(&kvm->arch.dirty_log_lock);
 
 	r = kvm_ia64_sync_dirty_log(kvm, log);
@@ -1840,12 +1849,13 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
 	/* If nothing is dirty, don't bother messing with page tables. */
 	if (is_dirty) {
 		kvm_flush_remote_tlbs(kvm);
-		memslot = &kvm->memslots[log->slot];
+		memslot = &kvm->memslots->memslots[log->slot];
 		n = ALIGN(memslot->npages, BITS_PER_LONG) / 8;
 		memset(memslot->dirty_bitmap, 0, n);
 	}
 	r = 0;
 out:
+	mutex_unlock(&kvm->slots_lock);
 	spin_unlock(&kvm->arch.dirty_log_lock);
 	return r;
 }
diff --git a/arch/ia64/kvm/kvm_fw.c b/arch/ia64/kvm/kvm_fw.c
index e4b82319881d..cb548ee9fcae 100644
--- a/arch/ia64/kvm/kvm_fw.c
+++ b/arch/ia64/kvm/kvm_fw.c
@@ -75,7 +75,7 @@ static void set_pal_result(struct kvm_vcpu *vcpu,
 	struct exit_ctl_data *p;
 
 	p = kvm_get_exit_data(vcpu);
-	if (p && p->exit_reason == EXIT_REASON_PAL_CALL) {
+	if (p->exit_reason == EXIT_REASON_PAL_CALL) {
 		p->u.pal_data.ret = result;
 		return ;
 	}
@@ -87,7 +87,7 @@ static void set_sal_result(struct kvm_vcpu *vcpu,
 	struct exit_ctl_data *p;
 
 	p = kvm_get_exit_data(vcpu);
-	if (p && p->exit_reason == EXIT_REASON_SAL_CALL) {
+	if (p->exit_reason == EXIT_REASON_SAL_CALL) {
 		p->u.sal_data.ret = result;
 		return ;
 	}
@@ -322,7 +322,7 @@ static  u64 kvm_get_pal_call_index(struct kvm_vcpu *vcpu)
 	struct exit_ctl_data *p;
 
 	p = kvm_get_exit_data(vcpu);
-	if (p && (p->exit_reason == EXIT_REASON_PAL_CALL))
+	if (p->exit_reason == EXIT_REASON_PAL_CALL)
 		index = p->u.pal_data.gr28;
 
 	return index;
@@ -646,18 +646,16 @@ static void kvm_get_sal_call_data(struct kvm_vcpu *vcpu, u64 *in0, u64 *in1,
 
 	p = kvm_get_exit_data(vcpu);
 
-	if (p) {
-		if (p->exit_reason == EXIT_REASON_SAL_CALL) {
-			*in0 = p->u.sal_data.in0;
-			*in1 = p->u.sal_data.in1;
-			*in2 = p->u.sal_data.in2;
-			*in3 = p->u.sal_data.in3;
-			*in4 = p->u.sal_data.in4;
-			*in5 = p->u.sal_data.in5;
-			*in6 = p->u.sal_data.in6;
-			*in7 = p->u.sal_data.in7;
-			return ;
-		}
+	if (p->exit_reason == EXIT_REASON_SAL_CALL) {
+		*in0 = p->u.sal_data.in0;
+		*in1 = p->u.sal_data.in1;
+		*in2 = p->u.sal_data.in2;
+		*in3 = p->u.sal_data.in3;
+		*in4 = p->u.sal_data.in4;
+		*in5 = p->u.sal_data.in5;
+		*in6 = p->u.sal_data.in6;
+		*in7 = p->u.sal_data.in7;
+		return ;
 	}
 	*in0 = 0;
 }
diff --git a/arch/ia64/kvm/mmio.c b/arch/ia64/kvm/mmio.c
index 9bf55afd08d0..fb8f9f59a1ed 100644
--- a/arch/ia64/kvm/mmio.c
+++ b/arch/ia64/kvm/mmio.c
@@ -316,8 +316,8 @@ void emulate_io_inst(struct kvm_vcpu *vcpu, u64 padr, u64 ma)
 		return;
 	} else {
 		inst_type = -1;
-		panic_vm(vcpu, "Unsupported MMIO access instruction! \
-				Bunld[0]=0x%lx, Bundle[1]=0x%lx\n",
+		panic_vm(vcpu, "Unsupported MMIO access instruction! "
+				"Bunld[0]=0x%lx, Bundle[1]=0x%lx\n",
 				bundle.i64[0], bundle.i64[1]);
 	}
 
diff --git a/arch/ia64/kvm/vcpu.c b/arch/ia64/kvm/vcpu.c
index dce75b70cdd5..958815c9787d 100644
--- a/arch/ia64/kvm/vcpu.c
+++ b/arch/ia64/kvm/vcpu.c
@@ -1639,8 +1639,8 @@ void vcpu_set_psr(struct kvm_vcpu *vcpu, unsigned long val)
 	 * Otherwise panic
 	 */
 	if (val & (IA64_PSR_PK | IA64_PSR_IS | IA64_PSR_VM))
-		panic_vm(vcpu, "Only support guests with vpsr.pk =0 \
-				& vpsr.is=0\n");
+		panic_vm(vcpu, "Only support guests with vpsr.pk =0 "
+				"& vpsr.is=0\n");
 
 	/*
 	 * For those IA64_PSR bits: id/da/dd/ss/ed/ia
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 19c4b2195dce..8d586d1e2515 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -459,7 +459,7 @@ static void __init initialize_pernode_data(void)
 		cpu = 0;
 		node = node_cpuid[cpu].nid;
 		cpu0_cpu_info = (struct cpuinfo_ia64 *)(__phys_per_cpu_start +
-			((char *)&per_cpu__ia64_cpu_info - __per_cpu_start));
+			((char *)&ia64_cpu_info - __per_cpu_start));
 		cpu0_cpu_info->node_data = mem_data[node].node_data;
 	}
 #endif /* CONFIG_SMP */
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index ca3335ea56cc..ed41759efcac 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -117,6 +117,7 @@ ia64_init_addr_space (void)
 	 */
 	vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
 	if (vma) {
+		INIT_LIST_HEAD(&vma->anon_vma_chain);
 		vma->vm_mm = current->mm;
 		vma->vm_start = current->thread.rbs_bot & PAGE_MASK;
 		vma->vm_end = vma->vm_start + PAGE_SIZE;
@@ -135,6 +136,7 @@ ia64_init_addr_space (void)
 	if (!(current->personality & MMAP_PAGE_ZERO)) {
 		vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
 		if (vma) {
+			INIT_LIST_HEAD(&vma->anon_vma_chain);
 			vma->vm_mm = current->mm;
 			vma->vm_end = PAGE_SIZE;
 			vma->vm_page_prot = __pgprot(pgprot_val(PAGE_READONLY) | _PAGE_MA_NAT);
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index e456f062f241..d00dfc180021 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -241,7 +241,7 @@ static void __cpuinit sn_check_for_wars(void)
  * Note:  This stuff is duped here because Altix requires the PCDP to
  * locate a usable VGA device due to lack of proper ACPI support.  Structures
  * could be used from drivers/firmware/pcdp.h, but it was decided that moving
- * this file to a more public location just for Altix use was undesireable.
+ * this file to a more public location just for Altix use was undesirable.
  */
 
 struct hcdp_uart_desc {
diff --git a/arch/m32r/include/asm/local.h b/arch/m32r/include/asm/local.h
index 22256d138630..734bca87018a 100644
--- a/arch/m32r/include/asm/local.h
+++ b/arch/m32r/include/asm/local.h
@@ -338,29 +338,4 @@ static inline void local_set_mask(unsigned long  mask, local_t *addr)
  * a variable, not an address.
  */
 
-/* Need to disable preemption for the cpu local counters otherwise we could
-   still access a variable of a previous CPU in a non local way. */
-#define cpu_local_wrap_v(l)	 	\
-	({ local_t res__;		\
-	   preempt_disable(); 		\
-	   res__ = (l);			\
-	   preempt_enable();		\
-	   res__; })
-#define cpu_local_wrap(l)		\
-	({ preempt_disable();		\
-	   l;				\
-	   preempt_enable(); })		\
-
-#define cpu_local_read(l)    cpu_local_wrap_v(local_read(&__get_cpu_var(l)))
-#define cpu_local_set(l, i)  cpu_local_wrap(local_set(&__get_cpu_var(l), (i)))
-#define cpu_local_inc(l)     cpu_local_wrap(local_inc(&__get_cpu_var(l)))
-#define cpu_local_dec(l)     cpu_local_wrap(local_dec(&__get_cpu_var(l)))
-#define cpu_local_add(i, l)  cpu_local_wrap(local_add((i), &__get_cpu_var(l)))
-#define cpu_local_sub(i, l)  cpu_local_wrap(local_sub((i), &__get_cpu_var(l)))
-
-#define __cpu_local_inc(l)	cpu_local_inc(l)
-#define __cpu_local_dec(l)	cpu_local_dec(l)
-#define __cpu_local_add(i, l)	cpu_local_add((i), (l))
-#define __cpu_local_sub(i, l)	cpu_local_sub((i), (l))
-
 #endif /* __M32R_LOCAL_H */
diff --git a/arch/m32r/include/asm/ptrace.h b/arch/m32r/include/asm/ptrace.h
index a0755b982028..840a1231edeb 100644
--- a/arch/m32r/include/asm/ptrace.h
+++ b/arch/m32r/include/asm/ptrace.h
@@ -120,6 +120,8 @@ struct pt_regs {
 
 #include <asm/m32r.h>		/* M32R_PSW_BSM, M32R_PSW_BPM */
 
+#define arch_has_single_step() (1)
+
 struct task_struct;
 extern void init_debug_traps(struct task_struct *);
 #define arch_ptrace_attach(child) \
diff --git a/arch/m32r/include/asm/unistd.h b/arch/m32r/include/asm/unistd.h
index cf701c933249..76125777483c 100644
--- a/arch/m32r/include/asm/unistd.h
+++ b/arch/m32r/include/asm/unistd.h
@@ -339,6 +339,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_TIME
 #define __ARCH_WANT_SYS_UTIME
diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c
index 98682bba0ed9..e555091eb97c 100644
--- a/arch/m32r/kernel/ptrace.c
+++ b/arch/m32r/kernel/ptrace.c
@@ -580,6 +580,35 @@ init_debug_traps(struct task_struct *child)
 	}
 }
 
+void user_enable_single_step(struct task_struct *child)
+{
+	unsigned long next_pc;
+	unsigned long pc, insn;
+
+	clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+
+	/* Compute next pc.  */
+	pc = get_stack_long(child, PT_BPC);
+
+	if (access_process_vm(child, pc&~3, &insn, sizeof(insn), 0)
+	    != sizeof(insn))
+		break;
+
+	compute_next_pc(insn, pc, &next_pc, child);
+	if (next_pc & 0x80000000)
+		break;
+
+	if (embed_debug_trap(child, next_pc))
+		break;
+
+	invalidate_cache();
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+	unregister_all_debug_traps(child);
+	invalidate_cache();
+}
 
 /*
  * Called by kernel/ptrace.c when detaching..
@@ -630,74 +659,6 @@ arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		ret = ptrace_write_user(child, addr, data);
 		break;
 
-	/*
-	 * continue/restart and stop at next (return from) syscall
-	 */
-	case PTRACE_SYSCALL:
-	case PTRACE_CONT:
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		if (request == PTRACE_SYSCALL)
-			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		else
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		child->exit_code = data;
-		wake_up_process(child);
-		ret = 0;
-		break;
-
-	/*
-	 * make the child exit.  Best I can do is send it a sigkill.
-	 * perhaps it should be put in the status that it wants to
-	 * exit.
-	 */
-	case PTRACE_KILL: {
-		ret = 0;
-		unregister_all_debug_traps(child);
-		invalidate_cache();
-		if (child->exit_state == EXIT_ZOMBIE)	/* already dead */
-			break;
-		child->exit_code = SIGKILL;
-		wake_up_process(child);
-		break;
-	}
-
-	/*
-	 * execute single instruction.
-	 */
-	case PTRACE_SINGLESTEP: {
-		unsigned long next_pc;
-		unsigned long pc, insn;
-
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
-		/* Compute next pc.  */
-		pc = get_stack_long(child, PT_BPC);
-
-		if (access_process_vm(child, pc&~3, &insn, sizeof(insn), 0)
-		    != sizeof(insn))
-			break;
-
-		compute_next_pc(insn, pc, &next_pc, child);
-		if (next_pc & 0x80000000)
-			break;
-
-		if (embed_debug_trap(child, next_pc))
-			break;
-
-		invalidate_cache();
-		child->exit_code = data;
-
-		/* give it a chance to run. */
-		wake_up_process(child);
-		ret = 0;
-		break;
-	}
-
 	case PTRACE_GETREGS:
 		ret = ptrace_getregs(child, (void __user *)data);
 		break;
diff --git a/arch/m32r/kernel/sys_m32r.c b/arch/m32r/kernel/sys_m32r.c
index d3c865c5a6ba..0a00f467edfa 100644
--- a/arch/m32r/kernel/sys_m32r.c
+++ b/arch/m32r/kernel/sys_m32r.c
@@ -76,98 +76,6 @@ asmlinkage int sys_tas(int __user *addr)
 	return oldval;
 }
 
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc(uint call, int first, int second,
-		       int third, void __user *ptr, long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	switch (call) {
-	case SEMOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr,
-				      second, NULL);
-	case SEMTIMEDOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr,
-				      second, (const struct timespec __user *)fifth);
-	case SEMGET:
-		return sys_semget (first, second, third);
-	case SEMCTL: {
-		union semun fourth;
-		if (!ptr)
-			return -EINVAL;
-		if (get_user(fourth.__pad, (void __user * __user *) ptr))
-			return -EFAULT;
-		return sys_semctl (first, second, third, fourth);
-		}
-
-	case MSGSND:
-		return sys_msgsnd (first, (struct msgbuf __user *) ptr,
-				   second, third);
-	case MSGRCV:
-		switch (version) {
-		case 0: {
-			struct ipc_kludge tmp;
-			if (!ptr)
-				return -EINVAL;
-
-			if (copy_from_user(&tmp,
-					   (struct ipc_kludge __user *) ptr,
-					   sizeof (tmp)))
-				return -EFAULT;
-			return sys_msgrcv (first, tmp.msgp, second,
-					   tmp.msgtyp, third);
-			}
-		default:
-			return sys_msgrcv (first,
-					   (struct msgbuf __user *) ptr,
-					   second, fifth, third);
-		}
-	case MSGGET:
-		return sys_msgget ((key_t) first, second);
-	case MSGCTL:
-		return sys_msgctl (first, second,
-				   (struct msqid_ds __user *) ptr);
-	case SHMAT: {
-		ulong raddr;
-
-		if (!access_ok(VERIFY_WRITE, (ulong __user *) third,
-				      sizeof(ulong)))
-			return -EFAULT;
-		ret = do_shmat (first, (char __user *) ptr, second, &raddr);
-		if (ret)
-			return ret;
-		return put_user (raddr, (ulong __user *) third);
-		}
-	case SHMDT:
-		return sys_shmdt ((char __user *)ptr);
-	case SHMGET:
-		return sys_shmget (first, second, third);
-	case SHMCTL:
-		return sys_shmctl (first, second,
-				   (struct shmid_ds __user *) ptr);
-	default:
-		return -ENOSYS;
-	}
-}
-
-asmlinkage int sys_uname(struct old_utsname __user * name)
-{
-	int err;
-	if (!name)
-		return -EFAULT;
-	down_read(&uts_sem);
-	err = copy_to_user(name, utsname(), sizeof (*name));
-	up_read(&uts_sem);
-	return err?-EFAULT:0;
-}
-
 asmlinkage int sys_cacheflush(void *addr, int bytes, int cache)
 {
 	/* This should flush more selectively ...  */
diff --git a/arch/m68k/atari/atakeyb.c b/arch/m68k/atari/atakeyb.c
index 4add96d13b19..5890897d28bf 100644
--- a/arch/m68k/atari/atakeyb.c
+++ b/arch/m68k/atari/atakeyb.c
@@ -121,7 +121,7 @@ KEYBOARD_STATE kb_state;
  * bytes have been lost and in which state of the packet structure we are now.
  * This usually causes keyboards bytes to be interpreted as mouse movements
  * and vice versa, which is very annoying. It seems better to throw away some
- * bytes (that are usually mouse bytes) than to misinterpret them. Therefor I
+ * bytes (that are usually mouse bytes) than to misinterpret them. Therefore I
  * introduced the RESYNC state for IKBD data. In this state, the bytes up to
  * one that really looks like a key event (0x04..0xf2) or the start of a mouse
  * packet (0xf8..0xfb) are thrown away, but at most 2 bytes. This at least
diff --git a/arch/m68k/include/asm/fbio.h b/arch/m68k/include/asm/fbio.h
index b9215a0907d3..0a21da87f7d6 100644
--- a/arch/m68k/include/asm/fbio.h
+++ b/arch/m68k/include/asm/fbio.h
@@ -173,7 +173,7 @@ struct mdi_cfginfo {
 	int     mdi_ncluts;     /* Number of implemented CLUTs in this MDI */
         int     mdi_type;       /* FBTYPE name */
         int     mdi_height;     /* height */
-        int     mdi_width;      /* widht */
+        int     mdi_width;      /* width */
         int     mdi_size;       /* available ram */
         int     mdi_mode;       /* 8bpp, 16bpp or 32bpp */
         int     mdi_pixfreq;    /* pixel clock (from PROM) */
diff --git a/arch/m68k/include/asm/io_no.h b/arch/m68k/include/asm/io_no.h
index 359065d5a9f2..6e2413e518cb 100644
--- a/arch/m68k/include/asm/io_no.h
+++ b/arch/m68k/include/asm/io_no.h
@@ -16,7 +16,7 @@
  * memory location directly.
  */
 /* ++roman: The assignments to temp. vars avoid that gcc sometimes generates
- * two accesses to memory, which may be undesireable for some devices.
+ * two accesses to memory, which may be undesirable for some devices.
  */
 
 /*
diff --git a/arch/m68k/include/asm/ptrace.h b/arch/m68k/include/asm/ptrace.h
index 21605c736f69..6e6e3ac1d913 100644
--- a/arch/m68k/include/asm/ptrace.h
+++ b/arch/m68k/include/asm/ptrace.h
@@ -87,18 +87,10 @@ struct switch_stack {
 #define profile_pc(regs) instruction_pointer(regs)
 extern void show_regs(struct pt_regs *);
 
-/*
- * These are defined as per linux/ptrace.h.
- */
-struct task_struct;
-
 #define arch_has_single_step()	(1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
 
 #ifdef CONFIG_MMU
 #define arch_has_block_step()	(1)
-extern void user_enable_block_step(struct task_struct *);
 #endif
 
 #endif /* __KERNEL__ */
diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h
index d72a71dabecb..60b15d0aa072 100644
--- a/arch/m68k/include/asm/unistd.h
+++ b/arch/m68k/include/asm/unistd.h
@@ -351,6 +351,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -363,6 +364,8 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_MMAP
+#define __ARCH_WANT_SYS_OLD_SELECT
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/m68k/kernel/entry.S b/arch/m68k/kernel/entry.S
index e136b8cbe9b9..2391bdff0996 100644
--- a/arch/m68k/kernel/entry.S
+++ b/arch/m68k/kernel/entry.S
@@ -510,7 +510,7 @@ sys_call_table:
 	.long sys_settimeofday
 	.long sys_getgroups16	/* 80 */
 	.long sys_setgroups16
-	.long old_select
+	.long sys_old_select
 	.long sys_symlink
 	.long sys_lstat
 	.long sys_readlink	/* 85 */
@@ -518,7 +518,7 @@ sys_call_table:
 	.long sys_swapon
 	.long sys_reboot
 	.long sys_old_readdir
-	.long old_mmap		/* 90 */
+	.long sys_old_mmap	/* 90 */
 	.long sys_munmap
 	.long sys_truncate
 	.long sys_ftruncate
diff --git a/arch/m68k/kernel/sys_m68k.c b/arch/m68k/kernel/sys_m68k.c
index e3ad2d671973..77896692eb0a 100644
--- a/arch/m68k/kernel/sys_m68k.c
+++ b/arch/m68k/kernel/sys_m68k.c
@@ -46,137 +46,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
 	return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
 }
 
-/*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux/m68k cloned Linux/i386, which didn't use to be able to
- * handle more than 4 system call parameters, so these system calls
- * used a memory block for parameter passing..
- */
-
-struct mmap_arg_struct {
-	unsigned long addr;
-	unsigned long len;
-	unsigned long prot;
-	unsigned long flags;
-	unsigned long fd;
-	unsigned long offset;
-};
-
-asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
-{
-	struct mmap_arg_struct a;
-	int error = -EFAULT;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		goto out;
-
-	error = -EINVAL;
-	if (a.offset & ~PAGE_MASK)
-		goto out;
-
-	error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
-			       a.offset >> PAGE_SHIFT);
-out:
-	return error;
-}
-
-struct sel_arg_struct {
-	unsigned long n;
-	fd_set __user *inp, *outp, *exp;
-	struct timeval __user *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct __user *arg)
-{
-	struct sel_arg_struct a;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		return -EFAULT;
-	/* sys_select() does the appropriate kernel locking */
-	return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc (uint call, int first, int second,
-			int third, void __user *ptr, long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	if (call <= SEMCTL)
-		switch (call) {
-		case SEMOP:
-			return sys_semop (first, ptr, second);
-		case SEMGET:
-			return sys_semget (first, second, third);
-		case SEMCTL: {
-			union semun fourth;
-			if (!ptr)
-				return -EINVAL;
-			if (get_user(fourth.__pad, (void __user *__user *) ptr))
-				return -EFAULT;
-			return sys_semctl (first, second, third, fourth);
-			}
-		default:
-			return -ENOSYS;
-		}
-	if (call <= MSGCTL)
-		switch (call) {
-		case MSGSND:
-			return sys_msgsnd (first, ptr, second, third);
-		case MSGRCV:
-			switch (version) {
-			case 0: {
-				struct ipc_kludge tmp;
-				if (!ptr)
-					return -EINVAL;
-				if (copy_from_user (&tmp, ptr, sizeof (tmp)))
-					return -EFAULT;
-				return sys_msgrcv (first, tmp.msgp, second,
-						   tmp.msgtyp, third);
-				}
-			default:
-				return sys_msgrcv (first, ptr,
-						   second, fifth, third);
-			}
-		case MSGGET:
-			return sys_msgget ((key_t) first, second);
-		case MSGCTL:
-			return sys_msgctl (first, second, ptr);
-		default:
-			return -ENOSYS;
-		}
-	if (call <= SHMCTL)
-		switch (call) {
-		case SHMAT:
-			switch (version) {
-			default: {
-				ulong raddr;
-				ret = do_shmat (first, ptr, second, &raddr);
-				if (ret)
-					return ret;
-				return put_user (raddr, (ulong __user *) third);
-			}
-			}
-		case SHMDT:
-			return sys_shmdt (ptr);
-		case SHMGET:
-			return sys_shmget (first, second, third);
-		case SHMCTL:
-			return sys_shmctl (first, second, ptr);
-		default:
-			return -ENOSYS;
-		}
-
-	return -EINVAL;
-}
-
 /* Convert virtual (user) address VADDR to physical address PADDR */
 #define virt_to_phys_040(vaddr)						\
 ({									\
diff --git a/arch/m68knommu/kernel/ptrace.c b/arch/m68knommu/kernel/ptrace.c
index 85ed2f988f98..f6be1248d216 100644
--- a/arch/m68knommu/kernel/ptrace.c
+++ b/arch/m68knommu/kernel/ptrace.c
@@ -116,12 +116,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	int ret;
 
 	switch (request) {
-		/* when I and D space are separate, these will need to be fixed. */
-		case PTRACE_PEEKTEXT: /* read word at location addr. */ 
-		case PTRACE_PEEKDATA:
-			ret = generic_ptrace_peekdata(child, addr, data);
-			break;
-
 		/* read the word at location addr in the USER area. */
 		case PTRACE_PEEKUSR: {
 			unsigned long tmp;
@@ -160,12 +154,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			break;
 		}
 
-		/* when I and D space are separate, this will have to be fixed. */
-		case PTRACE_POKETEXT: /* write the word at location addr. */
-		case PTRACE_POKEDATA:
-			ret = generic_ptrace_pokedata(child, addr, data);
-			break;
-
 		case PTRACE_POKEUSR: /* write the word at location addr in the USER area */
 			ret = -EIO;
 			if ((addr & 3) || addr < 0 ||
@@ -202,66 +190,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 			}
 			break;
 
-		case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
-		case PTRACE_CONT: { /* restart after signal. */
-			long tmp;
-
-			ret = -EIO;
-			if (!valid_signal(data))
-				break;
-			if (request == PTRACE_SYSCALL)
-				set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			else
-				clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			child->exit_code = data;
-			/* make sure the single step bit is not set. */
-			tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16);
-			put_reg(child, PT_SR, tmp);
-			wake_up_process(child);
-			ret = 0;
-			break;
-		}
-
-		/*
-		 * make the child exit.  Best I can do is send it a sigkill. 
-		 * perhaps it should be put in the status that it wants to 
-		 * exit.
-		 */
-		case PTRACE_KILL: {
-			long tmp;
-
-			ret = 0;
-			if (child->exit_state == EXIT_ZOMBIE) /* already dead */
-				break;
-			child->exit_code = SIGKILL;
-			/* make sure the single step bit is not set. */
-			tmp = get_reg(child, PT_SR) & ~(TRACE_BITS << 16);
-			put_reg(child, PT_SR, tmp);
-			wake_up_process(child);
-			break;
-		}
-
-		case PTRACE_SINGLESTEP: {  /* set the trap flag. */
-			long tmp;
-
-			ret = -EIO;
-			if (!valid_signal(data))
-				break;
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-			tmp = get_reg(child, PT_SR) | (TRACE_BITS << 16);
-			put_reg(child, PT_SR, tmp);
-
-			child->exit_code = data;
-			/* give it a chance to run. */
-			wake_up_process(child);
-			ret = 0;
-			break;
-		}
-
-		case PTRACE_DETACH:	/* detach a process that was attached. */
-			ret = ptrace_detach(child, data);
-			break;
-
 		case PTRACE_GETREGS: { /* Get all gp regs from the child. */
 		  	int i;
 			unsigned long tmp;
@@ -325,7 +253,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		break;
 
 		default:
-			ret = -EIO;
+			ret = ptrace_request(child, request, addr, data);
 			break;
 	}
 	return ret;
diff --git a/arch/m68knommu/kernel/sys_m68k.c b/arch/m68knommu/kernel/sys_m68k.c
index 923dd4aab875..d65e9c4c930c 100644
--- a/arch/m68knommu/kernel/sys_m68k.c
+++ b/arch/m68knommu/kernel/sys_m68k.c
@@ -27,142 +27,6 @@
 #include <asm/cacheflush.h>
 #include <asm/unistd.h>
 
-/*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux/m68k cloned Linux/i386, which didn't use to be able to
- * handle more than 4 system call parameters, so these system calls
- * used a memory block for parameter passing..
- */
-
-struct mmap_arg_struct {
-	unsigned long addr;
-	unsigned long len;
-	unsigned long prot;
-	unsigned long flags;
-	unsigned long fd;
-	unsigned long offset;
-};
-
-asmlinkage int old_mmap(struct mmap_arg_struct *arg)
-{
-	struct mmap_arg_struct a;
-	int error = -EFAULT;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		goto out;
-
-	error = -EINVAL;
-	if (a.offset & ~PAGE_MASK)
-		goto out;
-
-	error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
-				a.offset >> PAGE_SHIFT);
-out:
-	return error;
-}
-
-struct sel_arg_struct {
-	unsigned long n;
-	fd_set *inp, *outp, *exp;
-	struct timeval *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct *arg)
-{
-	struct sel_arg_struct a;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		return -EFAULT;
-	/* sys_select() does the appropriate kernel locking */
-	return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc (uint call, int first, int second,
-			int third, void *ptr, long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	if (call <= SEMCTL)
-		switch (call) {
-		case SEMOP:
-			return sys_semop (first, (struct sembuf *)ptr, second);
-		case SEMGET:
-			return sys_semget (first, second, third);
-		case SEMCTL: {
-			union semun fourth;
-			if (!ptr)
-				return -EINVAL;
-			if (get_user(fourth.__pad, (void **) ptr))
-				return -EFAULT;
-			return sys_semctl (first, second, third, fourth);
-			}
-		default:
-			return -EINVAL;
-		}
-	if (call <= MSGCTL) 
-		switch (call) {
-		case MSGSND:
-			return sys_msgsnd (first, (struct msgbuf *) ptr, 
-					  second, third);
-		case MSGRCV:
-			switch (version) {
-			case 0: {
-				struct ipc_kludge tmp;
-				if (!ptr)
-					return -EINVAL;
-				if (copy_from_user (&tmp,
-						    (struct ipc_kludge *)ptr,
-						    sizeof (tmp)))
-					return -EFAULT;
-				return sys_msgrcv (first, tmp.msgp, second,
-						   tmp.msgtyp, third);
-				}
-			default:
-				return sys_msgrcv (first,
-						   (struct msgbuf *) ptr,
-						   second, fifth, third);
-			}
-		case MSGGET:
-			return sys_msgget ((key_t) first, second);
-		case MSGCTL:
-			return sys_msgctl (first, second,
-					   (struct msqid_ds *) ptr);
-		default:
-			return -EINVAL;
-		}
-	if (call <= SHMCTL)
-		switch (call) {
-		case SHMAT:
-			switch (version) {
-			default: {
-				ulong raddr;
-				ret = do_shmat (first, ptr, second, &raddr);
-				if (ret)
-					return ret;
-				return put_user (raddr, (ulong __user *) third);
-			}
-			}
-		case SHMDT:
-			return sys_shmdt (ptr);
-		case SHMGET:
-			return sys_shmget (first, second, third);
-		case SHMCTL:
-			return sys_shmctl (first, second, ptr);
-		default:
-			return -ENOSYS;
-		}
-
-	return -EINVAL;
-}
-
 /* sys_cacheflush -- flush (part of) the processor cache.  */
 asmlinkage int
 sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len)
diff --git a/arch/m68knommu/kernel/syscalltable.S b/arch/m68knommu/kernel/syscalltable.S
index 56dd01ded148..b30b3eb197a5 100644
--- a/arch/m68knommu/kernel/syscalltable.S
+++ b/arch/m68knommu/kernel/syscalltable.S
@@ -100,7 +100,7 @@ ENTRY(sys_call_table)
 	.long sys_settimeofday
 	.long sys_getgroups16	/* 80 */
 	.long sys_setgroups16
-	.long old_select
+	.long sys_old_select
 	.long sys_symlink
 	.long sys_lstat
 	.long sys_readlink	/* 85 */
@@ -108,7 +108,7 @@ ENTRY(sys_call_table)
 	.long sys_ni_syscall	/* sys_swapon */
 	.long sys_reboot
 	.long sys_old_readdir
-	.long old_mmap		/* 90 */
+	.long sys_old_mmap	/* 90 */
 	.long sys_munmap
 	.long sys_truncate
 	.long sys_ftruncate
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index b008168ae946..76818f926539 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -14,6 +14,8 @@ config MICROBLAZE
 	select USB_ARCH_HAS_EHCI
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select HAVE_OPROFILE
+	select HAVE_DMA_ATTRS
+	select HAVE_DMA_API_DEBUG
 	select TRACING_SUPPORT
 
 config SWAP
@@ -73,12 +75,6 @@ config LOCKDEP_SUPPORT
 config HAVE_LATENCYTOP_SUPPORT
 	def_bool y
 
-config PCI
-	def_bool n
-
-config NO_DMA
-	def_bool y
-
 config DTC
 	def_bool y
 
@@ -146,7 +142,6 @@ menu "Advanced setup"
 
 config ADVANCED_OPTIONS
 	bool "Prompt for advanced kernel configuration options"
-	depends on MMU
 	help
 	  This option will enable prompting for a variety of advanced kernel
 	  configuration options.  These options can cause the kernel to not
@@ -158,6 +153,15 @@ config ADVANCED_OPTIONS
 comment "Default settings for advanced configuration options are used"
 	depends on !ADVANCED_OPTIONS
 
+config XILINX_UNCACHED_SHADOW
+	bool "Are you using uncached shadow for RAM ?"
+	depends on ADVANCED_OPTIONS && !MMU
+	default n
+	help
+	  This is needed to be able to allocate uncachable memory regions.
+	  The feature requires the design to define the RAM memory controller
+	  window to be twice as large as the actual physical memory.
+
 config HIGHMEM_START_BOOL
 	bool "Set high memory pool address"
 	depends on ADVANCED_OPTIONS && HIGHMEM
@@ -175,7 +179,7 @@ config HIGHMEM_START
 
 config LOWMEM_SIZE_BOOL
 	bool "Set maximum low memory"
-	depends on ADVANCED_OPTIONS
+	depends on ADVANCED_OPTIONS && MMU
 	help
 	  This option allows you to set the maximum amount of memory which
 	  will be used as "low memory", that is, memory which the kernel can
@@ -187,7 +191,6 @@ config LOWMEM_SIZE_BOOL
 
 config LOWMEM_SIZE
 	hex "Maximum low memory size (in bytes)" if LOWMEM_SIZE_BOOL
-	depends on MMU
 	default "0x30000000"
 
 config KERNEL_START_BOOL
@@ -208,7 +211,7 @@ config KERNEL_START
 
 config TASK_SIZE_BOOL
 	bool "Set custom user task size"
-	depends on ADVANCED_OPTIONS
+	depends on ADVANCED_OPTIONS && MMU
 	help
 	  This option allows you to set the amount of virtual address space
 	  allocated to user tasks.  This can be useful in optimizing the
@@ -218,42 +221,34 @@ config TASK_SIZE_BOOL
 
 config TASK_SIZE
 	hex "Size of user task space" if TASK_SIZE_BOOL
-	depends on MMU
 	default "0x80000000"
 
-config CONSISTENT_START_BOOL
-	bool "Set custom consistent memory pool address"
-	depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
-	help
-	  This option allows you to set the base virtual address
-	  of the the consistent memory pool.  This pool of virtual
-	  memory is used to make consistent memory allocations.
+endmenu
 
-config CONSISTENT_START
-	hex "Base virtual address of consistent memory pool" if CONSISTENT_START_BOOL
-	depends on MMU
-	default "0xff100000" if NOT_COHERENT_CACHE
+source "mm/Kconfig"
 
-config CONSISTENT_SIZE_BOOL
-	bool "Set custom consistent memory pool size"
-	depends on ADVANCED_OPTIONS && NOT_COHERENT_CACHE
-	help
-	  This option allows you to set the size of the the
-	  consistent memory pool.  This pool of virtual memory
-	  is used to make consistent memory allocations.
+menu "Exectuable file formats"
 
-config CONSISTENT_SIZE
-	hex "Size of consistent memory pool" if CONSISTENT_SIZE_BOOL
-	depends on MMU
-	default "0x00200000" if NOT_COHERENT_CACHE
+source "fs/Kconfig.binfmt"
 
 endmenu
 
-source "mm/Kconfig"
+menu "Bus Options"
 
-menu "Exectuable file formats"
+config PCI
+	bool "PCI support"
 
-source "fs/Kconfig.binfmt"
+config PCI_DOMAINS
+	def_bool PCI
+
+config PCI_SYSCALL
+	def_bool PCI
+
+config PCI_XILINX
+	bool "Xilinx PCI host bridge support"
+	depends on PCI
+
+source "drivers/pci/Kconfig"
 
 endmenu
 
diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index d2d6cfcb1a30..72f6e8583746 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -50,6 +50,7 @@ libs-y += $(LIBGCC)
 core-y += arch/microblaze/kernel/
 core-y += arch/microblaze/mm/
 core-y += arch/microblaze/platform/
+core-$(CONFIG_PCI) += arch/microblaze/pci/
 
 drivers-$(CONFIG_OPROFILE) += arch/microblaze/oprofile/
 
@@ -83,7 +84,7 @@ define archhelp
   echo '* linux.bin    - Create raw binary'
   echo '  linux.bin.gz - Create compressed raw binary'
   echo '  simpleImage.<dt> - ELF image with $(arch)/boot/dts/<dt>.dts linked in'
-  echo '                   - stripped elf with fdt blob
+  echo '                   - stripped elf with fdt blob'
   echo '  simpleImage.<dt>.unstrip - full ELF image with fdt blob'
   echo '  *_defconfig      - Select default config from arch/microblaze/configs'
   echo ''
@@ -93,3 +94,5 @@ define archhelp
   echo '  name of a dts file from the arch/microblaze/boot/dts/ directory'
   echo '  (minus the .dts extension).'
 endef
+
+MRPROPER_FILES += $(boot)/simpleImage.*
diff --git a/arch/microblaze/boot/Makefile b/arch/microblaze/boot/Makefile
index 902cf9846c3c..57f50c2371c6 100644
--- a/arch/microblaze/boot/Makefile
+++ b/arch/microblaze/boot/Makefile
@@ -23,8 +23,6 @@ $(obj)/system.dtb: $(obj)/$(DTB).dtb
 endif
 
 $(obj)/linux.bin: vmlinux FORCE
-	[ -n $(CONFIG_INITRAMFS_SOURCE) ] && [ ! -e $(CONFIG_INITRAMFS_SOURCE) ] && \
-	touch $(CONFIG_INITRAMFS_SOURCE) || echo "No CPIO image"
 	$(call if_changed,objcopy)
 	$(call if_changed,uimage)
 	@echo 'Kernel: $@ is ready' ' (#'`cat .version`')'
@@ -62,6 +60,4 @@ quiet_cmd_dtc = DTC     $@
 $(obj)/%.dtb: $(dtstree)/%.dts FORCE
 	$(call if_changed,dtc)
 
-clean-kernel += linux.bin linux.bin.gz simpleImage.*
-
-clean-files += *.dtb simpleImage.*.unstrip
+clean-files += *.dtb simpleImage.*.unstrip linux.bin.ub
diff --git a/arch/microblaze/include/asm/device.h b/arch/microblaze/include/asm/device.h
index 78a038452c0f..402b46e630f6 100644
--- a/arch/microblaze/include/asm/device.h
+++ b/arch/microblaze/include/asm/device.h
@@ -14,6 +14,10 @@ struct device_node;
 struct dev_archdata {
 	/* Optional pointer to an OF device node */
 	struct device_node	*of_node;
+
+	/* DMA operations on that device */
+	struct dma_map_ops	*dma_ops;
+	void                    *dma_data;
 };
 
 struct pdev_archdata {
diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h
index d00e40099165..18b3731c8509 100644
--- a/arch/microblaze/include/asm/dma-mapping.h
+++ b/arch/microblaze/include/asm/dma-mapping.h
@@ -1 +1,153 @@
-#include <asm-generic/dma-mapping-broken.h>
+/*
+ * Implements the generic device dma API for microblaze and the pci
+ *
+ * Copyright (C) 2009-2010 Michal Simek <monstr@monstr.eu>
+ * Copyright (C) 2009-2010 PetaLogix
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file COPYING in the main directory of this
+ * archive for more details.
+ *
+ * This file is base on powerpc and x86 dma-mapping.h versions
+ * Copyright (C) 2004 IBM
+ */
+
+#ifndef _ASM_MICROBLAZE_DMA_MAPPING_H
+#define _ASM_MICROBLAZE_DMA_MAPPING_H
+
+/*
+ * See Documentation/PCI/PCI-DMA-mapping.txt and
+ * Documentation/DMA-API.txt for documentation.
+ */
+
+#include <linux/types.h>
+#include <linux/cache.h>
+#include <linux/mm.h>
+#include <linux/scatterlist.h>
+#include <linux/dma-debug.h>
+#include <linux/dma-attrs.h>
+#include <asm/io.h>
+#include <asm-generic/dma-coherent.h>
+
+#define DMA_ERROR_CODE		(~(dma_addr_t)0x0)
+
+#define __dma_alloc_coherent(dev, gfp, size, handle)	NULL
+#define __dma_free_coherent(size, addr)		((void)0)
+#define __dma_sync(addr, size, rw)		((void)0)
+
+static inline unsigned long device_to_mask(struct device *dev)
+{
+	if (dev->dma_mask && *dev->dma_mask)
+		return *dev->dma_mask;
+	/* Assume devices without mask can take 32 bit addresses */
+	return 0xfffffffful;
+}
+
+extern struct dma_map_ops *dma_ops;
+
+/*
+ * Available generic sets of operations
+ */
+extern struct dma_map_ops dma_direct_ops;
+
+static inline struct dma_map_ops *get_dma_ops(struct device *dev)
+{
+	/* We don't handle the NULL dev case for ISA for now. We could
+	 * do it via an out of line call but it is not needed for now. The
+	 * only ISA DMA device we support is the floppy and we have a hack
+	 * in the floppy driver directly to get a device for us.
+	 */
+	if (unlikely(!dev) || !dev->archdata.dma_ops)
+		return NULL;
+
+	return dev->archdata.dma_ops;
+}
+
+static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops)
+{
+	dev->archdata.dma_ops = ops;
+}
+
+static inline int dma_supported(struct device *dev, u64 mask)
+{
+	struct dma_map_ops *ops = get_dma_ops(dev);
+
+	if (unlikely(!ops))
+		return 0;
+	if (!ops->dma_supported)
+		return 1;
+	return ops->dma_supported(dev, mask);
+}
+
+#ifdef CONFIG_PCI
+/* We have our own implementation of pci_set_dma_mask() */
+#define HAVE_ARCH_PCI_SET_DMA_MASK
+
+#endif
+
+static inline int dma_set_mask(struct device *dev, u64 dma_mask)
+{
+	struct dma_map_ops *ops = get_dma_ops(dev);
+
+	if (unlikely(ops == NULL))
+		return -EIO;
+	if (ops->set_dma_mask)
+		return ops->set_dma_mask(dev, dma_mask);
+	if (!dev->dma_mask || !dma_supported(dev, dma_mask))
+		return -EIO;
+	*dev->dma_mask = dma_mask;
+	return 0;
+}
+
+#include <asm-generic/dma-mapping-common.h>
+
+static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
+{
+	struct dma_map_ops *ops = get_dma_ops(dev);
+	if (ops->mapping_error)
+		return ops->mapping_error(dev, dma_addr);
+
+	return (dma_addr == DMA_ERROR_CODE);
+}
+
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+#define dma_is_consistent(d, h)	(1)
+
+static inline void *dma_alloc_coherent(struct device *dev, size_t size,
+					dma_addr_t *dma_handle, gfp_t flag)
+{
+	struct dma_map_ops *ops = get_dma_ops(dev);
+	void *memory;
+
+	BUG_ON(!ops);
+
+	memory = ops->alloc_coherent(dev, size, dma_handle, flag);
+
+	debug_dma_alloc_coherent(dev, size, *dma_handle, memory);
+	return memory;
+}
+
+static inline void dma_free_coherent(struct device *dev, size_t size,
+				     void *cpu_addr, dma_addr_t dma_handle)
+{
+	struct dma_map_ops *ops = get_dma_ops(dev);
+
+	BUG_ON(!ops);
+	debug_dma_free_coherent(dev, size, cpu_addr, dma_handle);
+	ops->free_coherent(dev, size, cpu_addr, dma_handle);
+}
+
+static inline int dma_get_cache_alignment(void)
+{
+	return L1_CACHE_BYTES;
+}
+
+static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
+		enum dma_data_direction direction)
+{
+	BUG_ON(direction == DMA_NONE);
+	__dma_sync(vaddr, size, (int)direction);
+}
+
+#endif	/* _ASM_MICROBLAZE_DMA_MAPPING_H */
diff --git a/arch/microblaze/include/asm/entry.h b/arch/microblaze/include/asm/entry.h
index 61abbd232640..ec89f2ad0fe1 100644
--- a/arch/microblaze/include/asm/entry.h
+++ b/arch/microblaze/include/asm/entry.h
@@ -21,7 +21,7 @@
  * places
  */
 
-#define PER_CPU(var) per_cpu__##var
+#define PER_CPU(var) var
 
 # ifndef __ASSEMBLY__
 DECLARE_PER_CPU(unsigned int, KSP); /* Saved kernel stack pointer */
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index 267c7c779e53..32d621a56aee 100644
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -15,7 +15,23 @@
 #include <asm/page.h>
 #include <linux/types.h>
 #include <linux/mm.h>          /* Get struct page {...} */
+#include <asm-generic/iomap.h>
 
+#ifndef CONFIG_PCI
+#define _IO_BASE	0
+#define _ISA_MEM_BASE	0
+#define PCI_DRAM_OFFSET	0
+#else
+#define _IO_BASE	isa_io_base
+#define _ISA_MEM_BASE	isa_mem_base
+#define PCI_DRAM_OFFSET	pci_dram_offset
+#endif
+
+extern unsigned long isa_io_base;
+extern unsigned long pci_io_base;
+extern unsigned long pci_dram_offset;
+
+extern resource_size_t isa_mem_base;
 
 #define IO_SPACE_LIMIT (0xFFFFFFFF)
 
@@ -124,9 +140,6 @@ static inline void writel(unsigned int v, volatile void __iomem *addr)
 #define virt_to_phys(addr)	((unsigned long)__virt_to_phys(addr))
 #define virt_to_bus(addr)	((unsigned long)__virt_to_phys(addr))
 
-#define __page_address(page) \
-		(PAGE_OFFSET + (((page) - mem_map) << PAGE_SHIFT))
-#define page_to_phys(page)	virt_to_phys((void *)__page_address(page))
 #define page_to_bus(page)	(page_to_phys(page))
 #define bus_to_virt(addr)	(phys_to_virt(addr))
 
@@ -227,15 +240,7 @@ static inline void __iomem *__ioremap(phys_addr_t address, unsigned long size,
 #define out_8(a, v) __raw_writeb((v), (a))
 #define in_8(a) __raw_readb(a)
 
-/* FIXME */
-static inline void __iomem *ioport_map(unsigned long port, unsigned int len)
-{
-	return (void __iomem *) (port);
-}
-
-static inline void ioport_unmap(void __iomem *addr)
-{
-	/* Nothing to do */
-}
+#define ioport_map(port, nr)	((void __iomem *)(port))
+#define ioport_unmap(addr)
 
 #endif /* _ASM_MICROBLAZE_IO_H */
diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h
index 90f050535ebe..31a35c33df63 100644
--- a/arch/microblaze/include/asm/irq.h
+++ b/arch/microblaze/include/asm/irq.h
@@ -14,6 +14,12 @@
 
 #include <linux/interrupt.h>
 
+/* This type is the placeholder for a hardware interrupt number. It has to
+ * be big enough to enclose whatever representation is used by a given
+ * platform.
+ */
+typedef unsigned long irq_hw_number_t;
+
 extern unsigned int nr_irq;
 
 #define NO_IRQ (-1)
@@ -21,7 +27,8 @@ extern unsigned int nr_irq;
 struct pt_regs;
 extern void do_IRQ(struct pt_regs *regs);
 
-/* irq_of_parse_and_map - Parse and Map an interrupt into linux virq space
+/**
+ * irq_of_parse_and_map - Parse and Map an interrupt into linux virq space
  * @device: Device node of the device whose interrupt is to be mapped
  * @index: Index of the interrupt to map
  *
@@ -40,4 +47,32 @@ static inline void irq_dispose_mapping(unsigned int virq)
 	return;
 }
 
+struct irq_host;
+
+/**
+ * irq_create_mapping - Map a hardware interrupt into linux virq space
+ * @host: host owning this hardware interrupt or NULL for default host
+ * @hwirq: hardware irq number in that host space
+ *
+ * Only one mapping per hardware interrupt is permitted. Returns a linux
+ * virq number.
+ * If the sense/trigger is to be specified, set_irq_type() should be called
+ * on the number returned from that call.
+ */
+extern unsigned int irq_create_mapping(struct irq_host *host,
+					irq_hw_number_t hwirq);
+
+/**
+ * irq_create_of_mapping - Map a hardware interrupt into linux virq space
+ * @controller: Device node of the interrupt controller
+ * @inspec: Interrupt specifier from the device-tree
+ * @intsize: Size of the interrupt specifier from the device-tree
+ *
+ * This function is identical to irq_create_mapping except that it takes
+ * as input informations straight from the device-tree (typically the results
+ * of the of_irq_map_*() functions.
+ */
+extern unsigned int irq_create_of_mapping(struct device_node *controller,
+					u32 *intspec, unsigned int intsize);
+
 #endif /* _ASM_MICROBLAZE_IRQ_H */
diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index 9b66c0fa9a32..2dd1d04129e0 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -62,12 +62,6 @@ extern unsigned int __page_offset;
 #define PAGE_OFFSET	CONFIG_KERNEL_START
 
 /*
- * MAP_NR -- given an address, calculate the index of the page struct which
- * points to the address's page.
- */
-#define MAP_NR(addr) (((unsigned long)(addr) - PAGE_OFFSET) >> PAGE_SHIFT)
-
-/*
  * The basic type of a PTE - 32 bit physical addressing.
  */
 typedef unsigned long pte_basic_t;
@@ -154,7 +148,11 @@ extern int page_is_ram(unsigned long pfn);
 # define pfn_to_virt(pfn)	__va(pfn_to_phys((pfn)))
 
 #  ifdef CONFIG_MMU
-#  define virt_to_page(kaddr) 	(mem_map +  MAP_NR(kaddr))
+
+#  define virt_to_page(kaddr)	(pfn_to_page(__pa(kaddr) >> PAGE_SHIFT))
+#  define page_to_virt(page)   __va(page_to_pfn(page) << PAGE_SHIFT)
+#  define page_to_phys(page)     (page_to_pfn(page) << PAGE_SHIFT)
+
 #  else /* CONFIG_MMU */
 #  define virt_to_page(vaddr)	(pfn_to_page(virt_to_pfn(vaddr)))
 #  define page_to_virt(page)	(pfn_to_virt(page_to_pfn(page)))
diff --git a/arch/microblaze/include/asm/pci-bridge.h b/arch/microblaze/include/asm/pci-bridge.h
index 7ad28f6f5f1a..0c77cda9f5d8 100644
--- a/arch/microblaze/include/asm/pci-bridge.h
+++ b/arch/microblaze/include/asm/pci-bridge.h
@@ -1 +1,196 @@
+#ifndef _ASM_MICROBLAZE_PCI_BRIDGE_H
+#define _ASM_MICROBLAZE_PCI_BRIDGE_H
+#ifdef __KERNEL__
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
 #include <linux/pci.h>
+#include <linux/list.h>
+#include <linux/ioport.h>
+
+struct device_node;
+
+enum {
+	/* Force re-assigning all resources (ignore firmware
+	 * setup completely)
+	 */
+	PCI_REASSIGN_ALL_RSRC	= 0x00000001,
+
+	/* Re-assign all bus numbers */
+	PCI_REASSIGN_ALL_BUS	= 0x00000002,
+
+	/* Do not try to assign, just use existing setup */
+	PCI_PROBE_ONLY		= 0x00000004,
+
+	/* Don't bother with ISA alignment unless the bridge has
+	 * ISA forwarding enabled
+	 */
+	PCI_CAN_SKIP_ISA_ALIGN	= 0x00000008,
+
+	/* Enable domain numbers in /proc */
+	PCI_ENABLE_PROC_DOMAINS	= 0x00000010,
+	/* ... except for domain 0 */
+	PCI_COMPAT_DOMAIN_0		= 0x00000020,
+};
+
+/*
+ * Structure of a PCI controller (host bridge)
+ */
+struct pci_controller {
+	struct pci_bus *bus;
+	char is_dynamic;
+	struct device_node *dn;
+	struct list_head list_node;
+	struct device *parent;
+
+	int first_busno;
+	int last_busno;
+
+	int self_busno;
+
+	void __iomem *io_base_virt;
+	resource_size_t io_base_phys;
+
+	resource_size_t pci_io_size;
+
+	/* Some machines (PReP) have a non 1:1 mapping of
+	 * the PCI memory space in the CPU bus space
+	 */
+	resource_size_t pci_mem_offset;
+
+	/* Some machines have a special region to forward the ISA
+	 * "memory" cycles such as VGA memory regions. Left to 0
+	 * if unsupported
+	 */
+	resource_size_t isa_mem_phys;
+	resource_size_t isa_mem_size;
+
+	struct pci_ops *ops;
+	unsigned int __iomem *cfg_addr;
+	void __iomem *cfg_data;
+
+	/*
+	 * Used for variants of PCI indirect handling and possible quirks:
+	 *  SET_CFG_TYPE - used on 4xx or any PHB that does explicit type0/1
+	 *  EXT_REG - provides access to PCI-e extended registers
+	 *  SURPRESS_PRIMARY_BUS - we surpress the setting of PCI_PRIMARY_BUS
+	 *   on Freescale PCI-e controllers since they used the PCI_PRIMARY_BUS
+	 *   to determine which bus number to match on when generating type0
+	 *   config cycles
+	 *  NO_PCIE_LINK - the Freescale PCI-e controllers have issues with
+	 *   hanging if we don't have link and try to do config cycles to
+	 *   anything but the PHB.  Only allow talking to the PHB if this is
+	 *   set.
+	 *  BIG_ENDIAN - cfg_addr is a big endian register
+	 *  BROKEN_MRM - the 440EPx/GRx chips have an errata that causes hangs
+	 *   on the PLB4.  Effectively disable MRM commands by setting this.
+	 */
+#define INDIRECT_TYPE_SET_CFG_TYPE		0x00000001
+#define INDIRECT_TYPE_EXT_REG		0x00000002
+#define INDIRECT_TYPE_SURPRESS_PRIMARY_BUS	0x00000004
+#define INDIRECT_TYPE_NO_PCIE_LINK		0x00000008
+#define INDIRECT_TYPE_BIG_ENDIAN		0x00000010
+#define INDIRECT_TYPE_BROKEN_MRM		0x00000020
+	u32 indirect_type;
+
+	/* Currently, we limit ourselves to 1 IO range and 3 mem
+	 * ranges since the common pci_bus structure can't handle more
+	 */
+	struct resource io_resource;
+	struct resource mem_resources[3];
+	int global_number;	/* PCI domain number */
+};
+
+static inline struct pci_controller *pci_bus_to_host(const struct pci_bus *bus)
+{
+	return bus->sysdata;
+}
+
+static inline int isa_vaddr_is_ioport(void __iomem *address)
+{
+	/* No specific ISA handling on ppc32 at this stage, it
+	 * all goes through PCI
+	 */
+	return 0;
+}
+
+/* These are used for config access before all the PCI probing
+   has been done. */
+extern int early_read_config_byte(struct pci_controller *hose, int bus,
+			int dev_fn, int where, u8 *val);
+extern int early_read_config_word(struct pci_controller *hose, int bus,
+			int dev_fn, int where, u16 *val);
+extern int early_read_config_dword(struct pci_controller *hose, int bus,
+			int dev_fn, int where, u32 *val);
+extern int early_write_config_byte(struct pci_controller *hose, int bus,
+			int dev_fn, int where, u8 val);
+extern int early_write_config_word(struct pci_controller *hose, int bus,
+			int dev_fn, int where, u16 val);
+extern int early_write_config_dword(struct pci_controller *hose, int bus,
+			int dev_fn, int where, u32 val);
+
+extern int early_find_capability(struct pci_controller *hose, int bus,
+				 int dev_fn, int cap);
+
+extern void setup_indirect_pci(struct pci_controller *hose,
+			       resource_size_t cfg_addr,
+			       resource_size_t cfg_data, u32 flags);
+
+/* Get the PCI host controller for an OF device */
+extern struct pci_controller *pci_find_hose_for_OF_device(
+			struct device_node *node);
+
+/* Fill up host controller resources from the OF node */
+extern void pci_process_bridge_OF_ranges(struct pci_controller *hose,
+			struct device_node *dev, int primary);
+
+/* Allocate & free a PCI host bridge structure */
+extern struct pci_controller *pcibios_alloc_controller(struct device_node *dev);
+extern void pcibios_free_controller(struct pci_controller *phb);
+extern void pcibios_setup_phb_resources(struct pci_controller *hose);
+
+#ifdef CONFIG_PCI
+extern unsigned int pci_flags;
+
+static inline void pci_set_flags(int flags)
+{
+	pci_flags = flags;
+}
+
+static inline void pci_add_flags(int flags)
+{
+	pci_flags |= flags;
+}
+
+static inline int pci_has_flag(int flag)
+{
+	return pci_flags & flag;
+}
+
+extern struct list_head hose_list;
+
+extern unsigned long pci_address_to_pio(phys_addr_t address);
+extern int pcibios_vaddr_is_ioport(void __iomem *address);
+#else
+static inline unsigned long pci_address_to_pio(phys_addr_t address)
+{
+	return (unsigned long)-1;
+}
+static inline int pcibios_vaddr_is_ioport(void __iomem *address)
+{
+	return 0;
+}
+
+static inline void pci_set_flags(int flags) { }
+static inline void pci_add_flags(int flags) { }
+static inline int pci_has_flag(int flag)
+{
+	return 0;
+}
+#endif	/* CONFIG_PCI */
+
+#endif	/* __KERNEL__ */
+#endif	/* _ASM_MICROBLAZE_PCI_BRIDGE_H */
diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h
index 9f0df5faf2c8..bdd65aaee30d 100644
--- a/arch/microblaze/include/asm/pci.h
+++ b/arch/microblaze/include/asm/pci.h
@@ -1 +1,177 @@
-#include <asm-generic/pci.h>
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ *
+ * Based on powerpc version
+ */
+
+#ifndef __ASM_MICROBLAZE_PCI_H
+#define __ASM_MICROBLAZE_PCI_H
+#ifdef __KERNEL__
+
+#include <linux/types.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/dma-mapping.h>
+#include <linux/pci.h>
+
+#include <asm/scatterlist.h>
+#include <asm/io.h>
+#include <asm/prom.h>
+#include <asm/pci-bridge.h>
+
+#define PCIBIOS_MIN_IO		0x1000
+#define PCIBIOS_MIN_MEM		0x10000000
+
+struct pci_dev;
+
+/* Values for the `which' argument to sys_pciconfig_iobase syscall.  */
+#define IOBASE_BRIDGE_NUMBER	0
+#define IOBASE_MEMORY		1
+#define IOBASE_IO		2
+#define IOBASE_ISA_IO		3
+#define IOBASE_ISA_MEM		4
+
+#define pcibios_scan_all_fns(a, b)	0
+
+/*
+ * Set this to 1 if you want the kernel to re-assign all PCI
+ * bus numbers (don't do that on ppc64 yet !)
+ */
+#define pcibios_assign_all_busses() \
+	(pci_has_flag(PCI_REASSIGN_ALL_BUS))
+
+static inline void pcibios_set_master(struct pci_dev *dev)
+{
+	/* No special bus mastering setup handling */
+}
+
+static inline void pcibios_penalize_isa_irq(int irq, int active)
+{
+	/* We don't do dynamic PCI IRQ allocation */
+}
+
+#ifdef CONFIG_PCI
+extern void set_pci_dma_ops(struct dma_map_ops *dma_ops);
+extern struct dma_map_ops *get_pci_dma_ops(void);
+#else	/* CONFIG_PCI */
+#define set_pci_dma_ops(d)
+#define get_pci_dma_ops()	NULL
+#endif
+
+#ifdef CONFIG_PCI
+static inline void pci_dma_burst_advice(struct pci_dev *pdev,
+					enum pci_dma_burst_strategy *strat,
+					unsigned long *strategy_parameter)
+{
+	*strat = PCI_DMA_BURST_INFINITY;
+	*strategy_parameter = ~0UL;
+}
+#endif
+
+extern int pci_domain_nr(struct pci_bus *bus);
+
+/* Decide whether to display the domain number in /proc */
+extern int pci_proc_domain(struct pci_bus *bus);
+
+struct vm_area_struct;
+/* Map a range of PCI memory or I/O space for a device into user space */
+int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
+			enum pci_mmap_state mmap_state, int write_combine);
+
+/* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
+#define HAVE_PCI_MMAP	1
+
+extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val,
+			   size_t count);
+extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val,
+			   size_t count);
+extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
+				      struct vm_area_struct *vma,
+				      enum pci_mmap_state mmap_state);
+
+#define HAVE_PCI_LEGACY	1
+
+/* pci_unmap_{page,single} is a nop so... */
+#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
+#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
+#define pci_unmap_addr(PTR, ADDR_NAME)		(0)
+#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	do { } while (0)
+#define pci_unmap_len(PTR, LEN_NAME)		(0)
+#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do { } while (0)
+
+/* The PCI address space does equal the physical memory
+ * address space (no IOMMU).  The IDE and SCSI device layers use
+ * this boolean for bounce buffer decisions.
+ */
+#define PCI_DMA_BUS_IS_PHYS     (1)
+
+extern void pcibios_resource_to_bus(struct pci_dev *dev,
+			struct pci_bus_region *region,
+			struct resource *res);
+
+extern void pcibios_bus_to_resource(struct pci_dev *dev,
+			struct resource *res,
+			struct pci_bus_region *region);
+
+static inline struct resource *pcibios_select_root(struct pci_dev *pdev,
+			struct resource *res)
+{
+	struct resource *root = NULL;
+
+	if (res->flags & IORESOURCE_IO)
+		root = &ioport_resource;
+	if (res->flags & IORESOURCE_MEM)
+		root = &iomem_resource;
+
+	return root;
+}
+
+extern void pcibios_claim_one_bus(struct pci_bus *b);
+
+extern void pcibios_finish_adding_to_bus(struct pci_bus *bus);
+
+extern void pcibios_resource_survey(void);
+
+extern struct pci_controller *init_phb_dynamic(struct device_node *dn);
+extern int remove_phb_dynamic(struct pci_controller *phb);
+
+extern struct pci_dev *of_create_pci_dev(struct device_node *node,
+					struct pci_bus *bus, int devfn);
+
+extern void of_scan_pci_bridge(struct device_node *node,
+				struct pci_dev *dev);
+
+extern void of_scan_bus(struct device_node *node, struct pci_bus *bus);
+extern void of_rescan_bus(struct device_node *node, struct pci_bus *bus);
+
+extern int pci_read_irq_line(struct pci_dev *dev);
+
+extern int pci_bus_find_capability(struct pci_bus *bus,
+						unsigned int devfn, int cap);
+
+struct file;
+extern pgprot_t	pci_phys_mem_access_prot(struct file *file,
+					 unsigned long pfn,
+					 unsigned long size,
+					 pgprot_t prot);
+
+#define HAVE_ARCH_PCI_RESOURCE_TO_USER
+extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
+				 const struct resource *rsrc,
+				 resource_size_t *start, resource_size_t *end);
+
+extern void pcibios_setup_bus_devices(struct pci_bus *bus);
+extern void pcibios_setup_bus_self(struct pci_bus *bus);
+
+/* This part of code was originaly in xilinx-pci.h */
+#ifdef CONFIG_PCI_XILINX
+extern void __init xilinx_pci_init(void);
+#else
+static inline void __init xilinx_pci_init(void) { return; }
+#endif
+
+#endif	/* __KERNEL__ */
+#endif /* __ASM_MICROBLAZE_PCI_H */
diff --git a/arch/microblaze/include/asm/pgalloc.h b/arch/microblaze/include/asm/pgalloc.h
index 7547f5064560..f44b0d696fe2 100644
--- a/arch/microblaze/include/asm/pgalloc.h
+++ b/arch/microblaze/include/asm/pgalloc.h
@@ -19,6 +19,7 @@
 #include <asm/io.h>
 #include <asm/page.h>
 #include <asm/cache.h>
+#include <asm/pgtable.h>
 
 #define PGDIR_ORDER	0
 
@@ -111,7 +112,6 @@ static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
 		unsigned long address)
 {
 	pte_t *pte;
-	extern int mem_init_done;
 	extern void *early_get_page(void);
 	if (mem_init_done) {
 		pte = (pte_t *)__get_free_page(GFP_KERNEL |
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index cc3a4dfc3eaa..dd2bb60651c7 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -16,6 +16,10 @@
 #define io_remap_pfn_range(vma, vaddr, pfn, size, prot)		\
 		remap_pfn_range(vma, vaddr, pfn, size, prot)
 
+#ifndef __ASSEMBLY__
+extern int mem_init_done;
+#endif
+
 #ifndef CONFIG_MMU
 
 #define pgd_present(pgd)	(1) /* pages are always present on non MMU */
@@ -51,6 +55,8 @@ static inline int pte_file(pte_t pte) { return 0; }
 
 #define arch_enter_lazy_cpu_mode()	do {} while (0)
 
+#define pgprot_noncached_wc(prot)	prot
+
 #else /* CONFIG_MMU */
 
 #include <asm-generic/4level-fixup.h>
@@ -68,7 +74,6 @@ static inline int pte_file(pte_t pte) { return 0; }
 
 extern unsigned long va_to_phys(unsigned long address);
 extern pte_t *va_to_pte(unsigned long address);
-extern unsigned long ioremap_bot, ioremap_base;
 
 /*
  * The following only work if pte_present() is true.
@@ -85,11 +90,25 @@ static inline pte_t pte_mkspecial(pte_t pte)	{ return pte; }
 #define VMALLOC_START	(CONFIG_KERNEL_START + \
 				max(32 * 1024 * 1024UL, memory_size))
 #define VMALLOC_END	ioremap_bot
-#define VMALLOC_VMADDR(x) ((unsigned long)(x))
 
 #endif /* __ASSEMBLY__ */
 
 /*
+ * Macro to mark a page protection value as "uncacheable".
+ */
+
+#define _PAGE_CACHE_CTL	(_PAGE_GUARDED | _PAGE_NO_CACHE | \
+							_PAGE_WRITETHRU)
+
+#define pgprot_noncached(prot) \
+			(__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \
+					_PAGE_NO_CACHE | _PAGE_GUARDED))
+
+#define pgprot_noncached_wc(prot) \
+			 (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \
+							_PAGE_NO_CACHE))
+
+/*
  * The MicroBlaze MMU is identical to the PPC-40x MMU, and uses a hash
  * table containing PTEs, together with a set of 16 segment registers, to
  * define the virtual to physical address mapping.
@@ -397,7 +416,7 @@ static inline unsigned long pte_update(pte_t *p, unsigned long clr,
 	mts     rmsr, %2\n\
 	nop"
 	: "=&r" (old), "=&r" (tmp), "=&r" (msr), "=m" (*p)
-	: "r" ((unsigned long)(p+1) - 4), "r" (clr), "r" (set), "m" (*p)
+	: "r" ((unsigned long)(p + 1) - 4), "r" (clr), "r" (set), "m" (*p)
 	: "cc");
 
 	return old;
@@ -566,18 +585,11 @@ void mapin_ram(void);
 int map_page(unsigned long va, phys_addr_t pa, int flags);
 
 extern int mem_init_done;
-extern unsigned long ioremap_base;
-extern unsigned long ioremap_bot;
 
 asmlinkage void __init mmu_init(void);
 
 void __init *early_get_page(void);
 
-void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle);
-void consistent_free(void *vaddr);
-void consistent_sync(void *vaddr, size_t size, int direction);
-void consistent_sync_page(struct page *page, unsigned long offset,
-	size_t size, int direction);
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */
 
@@ -586,6 +598,14 @@ void consistent_sync_page(struct page *page, unsigned long offset,
 #ifndef __ASSEMBLY__
 #include <asm-generic/pgtable.h>
 
+extern unsigned long ioremap_bot, ioremap_base;
+
+void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle);
+void consistent_free(void *vaddr);
+void consistent_sync(void *vaddr, size_t size, int direction);
+void consistent_sync_page(struct page *page, unsigned long offset,
+	size_t size, int direction);
+
 void setup_memory(void);
 #endif /* __ASSEMBLY__ */
 
diff --git a/arch/microblaze/include/asm/processor.h b/arch/microblaze/include/asm/processor.h
index 563c6b9453f0..8eeb09211ece 100644
--- a/arch/microblaze/include/asm/processor.h
+++ b/arch/microblaze/include/asm/processor.h
@@ -14,7 +14,6 @@
 #include <asm/ptrace.h>
 #include <asm/setup.h>
 #include <asm/registers.h>
-#include <asm/segment.h>
 #include <asm/entry.h>
 #include <asm/current.h>
 
diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index 03f45a963204..e7d67a329bd7 100644
--- a/arch/microblaze/include/asm/prom.h
+++ b/arch/microblaze/include/asm/prom.h
@@ -31,6 +31,21 @@
 /* Other Prototypes */
 extern int early_uartlite_console(void);
 
+#ifdef CONFIG_PCI
+/*
+ * PCI <-> OF matching functions
+ * (XXX should these be here?)
+ */
+struct pci_bus;
+struct pci_dev;
+extern int pci_device_from_OF_node(struct device_node *node,
+					u8 *bus, u8 *devfn);
+extern struct device_node *pci_busdev_to_OF_node(struct pci_bus *bus,
+							int devfn);
+extern struct device_node *pci_device_to_OF_node(struct pci_dev *dev);
+extern void pci_create_OF_bus_map(void);
+#endif
+
 /*
  * OF address retreival & translation
  */
diff --git a/arch/microblaze/include/asm/segment.h b/arch/microblaze/include/asm/segment.h
deleted file mode 100644
index 0e7102c3fb11..000000000000
--- a/arch/microblaze/include/asm/segment.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
- * Copyright (C) 2008-2009 PetaLogix
- * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#ifndef _ASM_MICROBLAZE_SEGMENT_H
-#define _ASM_MICROBLAZE_SEGMENT_H
-
-# ifndef __ASSEMBLY__
-
-typedef struct {
-	unsigned long seg;
-} mm_segment_t;
-
-/*
- * On Microblaze the fs value is actually the top of the corresponding
- * address space.
- *
- * The fs value determines whether argument validity checking should be
- * performed or not. If get_fs() == USER_DS, checking is performed, with
- * get_fs() == KERNEL_DS, checking is bypassed.
- *
- * For historical reasons, these macros are grossly misnamed.
- *
- * For non-MMU arch like Microblaze, KERNEL_DS and USER_DS is equal.
- */
-# define MAKE_MM_SEG(s)       ((mm_segment_t) { (s) })
-
-#  ifndef CONFIG_MMU
-#  define KERNEL_DS	MAKE_MM_SEG(0)
-#  define USER_DS	KERNEL_DS
-#  else
-#  define KERNEL_DS	MAKE_MM_SEG(0xFFFFFFFF)
-#  define USER_DS	MAKE_MM_SEG(TASK_SIZE - 1)
-#  endif
-
-# define get_ds()	(KERNEL_DS)
-# define get_fs()	(current_thread_info()->addr_limit)
-# define set_fs(val)	(current_thread_info()->addr_limit = (val))
-
-# define segment_eq(a, b)	((a).seg == (b).seg)
-
-# endif /* __ASSEMBLY__ */
-#endif /* _ASM_MICROBLAZE_SEGMENT_H */
diff --git a/arch/microblaze/include/asm/system.h b/arch/microblaze/include/asm/system.h
index 157970688b2a..59efb3fef957 100644
--- a/arch/microblaze/include/asm/system.h
+++ b/arch/microblaze/include/asm/system.h
@@ -87,6 +87,9 @@ void free_initmem(void);
 extern char *klimit;
 extern void ret_from_fork(void);
 
+extern void *alloc_maybe_bootmem(size_t size, gfp_t mask);
+extern void *zalloc_maybe_bootmem(size_t size, gfp_t mask);
+
 #ifdef CONFIG_DEBUG_FS
 extern struct dentry *of_debugfs_root;
 #endif
diff --git a/arch/microblaze/include/asm/thread_info.h b/arch/microblaze/include/asm/thread_info.h
index 6e92885d381a..b2ca80f64640 100644
--- a/arch/microblaze/include/asm/thread_info.h
+++ b/arch/microblaze/include/asm/thread_info.h
@@ -19,7 +19,6 @@
 #ifndef __ASSEMBLY__
 # include <linux/types.h>
 # include <asm/processor.h>
-# include <asm/segment.h>
 
 /*
  * low level task data that entry.S needs immediate access to
@@ -60,6 +59,10 @@ struct cpu_context {
 	__u32	fsr;
 };
 
+typedef struct {
+	unsigned long seg;
+} mm_segment_t;
+
 struct thread_info {
 	struct task_struct	*task; /* main task structure */
 	struct exec_domain	*exec_domain; /* execution domain */
diff --git a/arch/microblaze/include/asm/tlbflush.h b/arch/microblaze/include/asm/tlbflush.h
index 10ec70cd8735..2e1353c2d18d 100644
--- a/arch/microblaze/include/asm/tlbflush.h
+++ b/arch/microblaze/include/asm/tlbflush.h
@@ -23,7 +23,8 @@
 extern void _tlbie(unsigned long address);
 extern void _tlbia(void);
 
-#define __tlbia()	_tlbia()
+#define __tlbia()	{ preempt_disable(); _tlbia(); preempt_enable(); }
+#define __tlbie(x)	{ _tlbie(x); }
 
 static inline void local_flush_tlb_all(void)
 	{ __tlbia(); }
@@ -31,7 +32,7 @@ static inline void local_flush_tlb_mm(struct mm_struct *mm)
 	{ __tlbia(); }
 static inline void local_flush_tlb_page(struct vm_area_struct *vma,
 				unsigned long vmaddr)
-	{ _tlbie(vmaddr); }
+	{ __tlbie(vmaddr); }
 static inline void local_flush_tlb_range(struct vm_area_struct *vma,
 		unsigned long start, unsigned long end)
 	{ __tlbia(); }
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index 371bd6e56d9a..446bec29b142 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -22,101 +22,73 @@
 #include <asm/mmu.h>
 #include <asm/page.h>
 #include <asm/pgtable.h>
-#include <asm/segment.h>
 #include <linux/string.h>
 
 #define VERIFY_READ	0
 #define VERIFY_WRITE	1
 
-#define __clear_user(addr, n)	(memset((void *)(addr), 0, (n)), 0)
-
-#ifndef CONFIG_MMU
-
-extern int ___range_ok(unsigned long addr, unsigned long size);
-
-#define __range_ok(addr, size) \
-		___range_ok((unsigned long)(addr), (unsigned long)(size))
-
-#define access_ok(type, addr, size) (__range_ok((addr), (size)) == 0)
-#define __access_ok(add, size) (__range_ok((addr), (size)) == 0)
-
-/* Undefined function to trigger linker error */
-extern int bad_user_access_length(void);
-
-/* FIXME this is function for optimalization -> memcpy */
-#define __get_user(var, ptr)				\
-({							\
-	int __gu_err = 0;				\
-	switch (sizeof(*(ptr))) {			\
-	case 1:						\
-	case 2:						\
-	case 4:						\
-		(var) = *(ptr);				\
-		break;					\
-	case 8:						\
-		memcpy((void *) &(var), (ptr), 8);	\
-		break;					\
-	default:					\
-		(var) = 0;				\
-		__gu_err = __get_user_bad();		\
-		break;					\
-	}						\
-	__gu_err;					\
-})
+/*
+ * On Microblaze the fs value is actually the top of the corresponding
+ * address space.
+ *
+ * The fs value determines whether argument validity checking should be
+ * performed or not. If get_fs() == USER_DS, checking is performed, with
+ * get_fs() == KERNEL_DS, checking is bypassed.
+ *
+ * For historical reasons, these macros are grossly misnamed.
+ *
+ * For non-MMU arch like Microblaze, KERNEL_DS and USER_DS is equal.
+ */
+# define MAKE_MM_SEG(s)       ((mm_segment_t) { (s) })
 
-#define __get_user_bad()	(bad_user_access_length(), (-EFAULT))
+#  ifndef CONFIG_MMU
+#  define KERNEL_DS	MAKE_MM_SEG(0)
+#  define USER_DS	KERNEL_DS
+#  else
+#  define KERNEL_DS	MAKE_MM_SEG(0xFFFFFFFF)
+#  define USER_DS	MAKE_MM_SEG(TASK_SIZE - 1)
+#  endif
 
-/* FIXME is not there defined __pu_val */
-#define __put_user(var, ptr)					\
-({								\
-	int __pu_err = 0;					\
-	switch (sizeof(*(ptr))) {				\
-	case 1:							\
-	case 2:							\
-	case 4:							\
-		*(ptr) = (var);					\
-		break;						\
-	case 8: {						\
-		typeof(*(ptr)) __pu_val = (var);		\
-		memcpy(ptr, &__pu_val, sizeof(__pu_val));	\
-		}						\
-		break;						\
-	default:						\
-		__pu_err = __put_user_bad();			\
-		break;						\
-	}							\
-	__pu_err;						\
-})
+# define get_ds()	(KERNEL_DS)
+# define get_fs()	(current_thread_info()->addr_limit)
+# define set_fs(val)	(current_thread_info()->addr_limit = (val))
 
-#define __put_user_bad()	(bad_user_access_length(), (-EFAULT))
+# define segment_eq(a, b)	((a).seg == (b).seg)
 
-#define put_user(x, ptr)	__put_user((x), (ptr))
-#define get_user(x, ptr)	__get_user((x), (ptr))
+/*
+ * The exception table consists of pairs of addresses: the first is the
+ * address of an instruction that is allowed to fault, and the second is
+ * the address at which the program should continue. No registers are
+ * modified, so it is entirely up to the continuation code to figure out
+ * what to do.
+ *
+ * All the routines below use bits of fixup code that are out of line
+ * with the main instruction path. This means when everything is well,
+ * we don't even have to jump over them. Further, they do not intrude
+ * on our cache or tlb entries.
+ */
+struct exception_table_entry {
+	unsigned long insn, fixup;
+};
 
-#define copy_to_user(to, from, n)	(memcpy((to), (from), (n)), 0)
-#define copy_from_user(to, from, n)	(memcpy((to), (from), (n)), 0)
+/* Returns 0 if exception not found and fixup otherwise.  */
+extern unsigned long search_exception_table(unsigned long);
 
-#define __copy_to_user(to, from, n)	(copy_to_user((to), (from), (n)))
-#define __copy_from_user(to, from, n)	(copy_from_user((to), (from), (n)))
-#define __copy_to_user_inatomic(to, from, n) \
-			(__copy_to_user((to), (from), (n)))
-#define __copy_from_user_inatomic(to, from, n) \
-			(__copy_from_user((to), (from), (n)))
+#ifndef CONFIG_MMU
 
-static inline unsigned long clear_user(void *addr, unsigned long size)
+/* Check against bounds of physical memory */
+static inline int ___range_ok(unsigned long addr, unsigned long size)
 {
-	if (access_ok(VERIFY_WRITE, addr, size))
-		size = __clear_user(addr, size);
-	return size;
+	return ((addr < memory_start) ||
+		((addr + size) > memory_end));
 }
 
-/* Returns 0 if exception not found and fixup otherwise.  */
-extern unsigned long search_exception_table(unsigned long);
+#define __range_ok(addr, size) \
+		___range_ok((unsigned long)(addr), (unsigned long)(size))
 
-extern long strncpy_from_user(char *dst, const char *src, long count);
-extern long strnlen_user(const char *src, long count);
+#define access_ok(type, addr, size) (__range_ok((addr), (size)) == 0)
 
-#else /* CONFIG_MMU */
+#else
 
 /*
  * Address is valid if:
@@ -129,24 +101,88 @@ extern long strnlen_user(const char *src, long count);
 /* || printk("access_ok failed for %s at 0x%08lx (size %d), seg 0x%08x\n",
  type?"WRITE":"READ",addr,size,get_fs().seg)) */
 
-/*
- * All the __XXX versions macros/functions below do not perform
- * access checking. It is assumed that the necessary checks have been
- * already performed before the finction (macro) is called.
- */
+#endif
 
-#define get_user(x, ptr)						\
-({									\
-	access_ok(VERIFY_READ, (ptr), sizeof(*(ptr)))			\
-		? __get_user((x), (ptr)) : -EFAULT;			\
-})
+#ifdef CONFIG_MMU
+# define __FIXUP_SECTION	".section .fixup,\"ax\"\n"
+# define __EX_TABLE_SECTION	".section __ex_table,\"a\"\n"
+#else
+# define __FIXUP_SECTION	".section .discard,\"ax\"\n"
+# define __EX_TABLE_SECTION	".section .discard,\"a\"\n"
+#endif
 
-#define put_user(x, ptr)						\
-({									\
-	access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr)))			\
-		? __put_user((x), (ptr)) : -EFAULT;			\
+extern unsigned long __copy_tofrom_user(void __user *to,
+		const void __user *from, unsigned long size);
+
+/* Return: number of not copied bytes, i.e. 0 if OK or non-zero if fail. */
+static inline unsigned long __must_check __clear_user(void __user *to,
+							unsigned long n)
+{
+	/* normal memset with two words to __ex_table */
+	__asm__ __volatile__ (				\
+			"1:	sb	r0, %2, r0;"	\
+			"	addik	%0, %0, -1;"	\
+			"	bneid	%0, 1b;"	\
+			"	addik	%2, %2, 1;"	\
+			"2:			"	\
+			__EX_TABLE_SECTION		\
+			".word	1b,2b;"			\
+			".previous;"			\
+		: "=r"(n)				\
+		: "0"(n), "r"(to)
+	);
+	return n;
+}
+
+static inline unsigned long __must_check clear_user(void __user *to,
+							unsigned long n)
+{
+	might_sleep();
+	if (unlikely(!access_ok(VERIFY_WRITE, to, n)))
+		return n;
+
+	return __clear_user(to, n);
+}
+
+/* put_user and get_user macros */
+extern long __user_bad(void);
+
+#define __get_user_asm(insn, __gu_ptr, __gu_val, __gu_err)	\
+({								\
+	__asm__ __volatile__ (					\
+			"1:"	insn	" %1, %2, r0;"		\
+			"	addk	%0, r0, r0;"		\
+			"2:			"		\
+			__FIXUP_SECTION				\
+			"3:	brid	2b;"			\
+			"	addik	%0, r0, %3;"		\
+			".previous;"				\
+			__EX_TABLE_SECTION			\
+			".word	1b,3b;"				\
+			".previous;"				\
+		: "=&r"(__gu_err), "=r"(__gu_val)		\
+		: "r"(__gu_ptr), "i"(-EFAULT)			\
+	);							\
 })
 
+/**
+ * get_user: - Get a simple variable from user space.
+ * @x:   Variable to store result.
+ * @ptr: Source address, in user space.
+ *
+ * Context: User context only.  This function may sleep.
+ *
+ * This macro copies a single simple variable from user space to kernel
+ * space.  It supports simple types like char and int, but not larger
+ * data types like structures or arrays.
+ *
+ * @ptr must have pointer-to-simple-variable type, and the result of
+ * dereferencing @ptr must be assignable to @x without a cast.
+ *
+ * Returns zero on success, or -EFAULT on error.
+ * On error, the variable @x is set to zero.
+ */
+
 #define __get_user(x, ptr)						\
 ({									\
 	unsigned long __gu_val;						\
@@ -163,30 +199,74 @@ extern long strnlen_user(const char *src, long count);
 		__get_user_asm("lw", (ptr), __gu_val, __gu_err);	\
 		break;							\
 	default:							\
-		__gu_val = 0; __gu_err = -EINVAL;			\
+		/* __gu_val = 0; __gu_err = -EINVAL;*/ __gu_err = __user_bad();\
 	}								\
 	x = (__typeof__(*(ptr))) __gu_val;				\
 	__gu_err;							\
 })
 
-#define __get_user_asm(insn, __gu_ptr, __gu_val, __gu_err)		\
+
+#define get_user(x, ptr)						\
 ({									\
-	__asm__ __volatile__ (						\
-			"1:"	insn	" %1, %2, r0;			\
-				addk	%0, r0, r0;			\
-			2:						\
-			.section .fixup,\"ax\";				\
-			3:	brid	2b;				\
-				addik	%0, r0, %3;			\
-			.previous;					\
-			.section __ex_table,\"a\";			\
-			.word	1b,3b;					\
-			.previous;"					\
-		: "=r"(__gu_err), "=r"(__gu_val)			\
-		: "r"(__gu_ptr), "i"(-EFAULT)				\
-	);								\
+	access_ok(VERIFY_READ, (ptr), sizeof(*(ptr)))			\
+		? __get_user((x), (ptr)) : -EFAULT;			\
+})
+
+#define __put_user_asm(insn, __gu_ptr, __gu_val, __gu_err)	\
+({								\
+	__asm__ __volatile__ (					\
+			"1:"	insn	" %1, %2, r0;"		\
+			"	addk	%0, r0, r0;"		\
+			"2:			"		\
+			__FIXUP_SECTION				\
+			"3:	brid	2b;"			\
+			"	addik	%0, r0, %3;"		\
+			".previous;"				\
+			__EX_TABLE_SECTION			\
+			".word	1b,3b;"				\
+			".previous;"				\
+		: "=&r"(__gu_err)				\
+		: "r"(__gu_val), "r"(__gu_ptr), "i"(-EFAULT)	\
+	);							\
 })
 
+#define __put_user_asm_8(__gu_ptr, __gu_val, __gu_err)		\
+({								\
+	__asm__ __volatile__ ("	lwi	%0, %1, 0;"		\
+			"1:	swi	%0, %2, 0;"		\
+			"	lwi	%0, %1, 4;"		\
+			"2:	swi	%0, %2, 4;"		\
+			"	addk	%0, r0, r0;"		\
+			"3:			"		\
+			__FIXUP_SECTION				\
+			"4:	brid	3b;"			\
+			"	addik	%0, r0, %3;"		\
+			".previous;"				\
+			__EX_TABLE_SECTION			\
+			".word	1b,4b,2b,4b;"			\
+			".previous;"				\
+		: "=&r"(__gu_err)				\
+		: "r"(&__gu_val), "r"(__gu_ptr), "i"(-EFAULT)	\
+		);						\
+})
+
+/**
+ * put_user: - Write a simple value into user space.
+ * @x:   Value to copy to user space.
+ * @ptr: Destination address, in user space.
+ *
+ * Context: User context only.  This function may sleep.
+ *
+ * This macro copies a single simple value from kernel space to user
+ * space.  It supports simple types like char and int, but not larger
+ * data types like structures or arrays.
+ *
+ * @ptr must have pointer-to-simple-variable type, and @x must be assignable
+ * to the result of dereferencing @ptr.
+ *
+ * Returns zero on success, or -EFAULT on error.
+ */
+
 #define __put_user(x, ptr)						\
 ({									\
 	__typeof__(*(ptr)) volatile __gu_val = (x);			\
@@ -195,7 +275,7 @@ extern long strnlen_user(const char *src, long count);
 	case 1:								\
 		__put_user_asm("sb", (ptr), __gu_val, __gu_err);	\
 		break;							\
-	case 2: 							\
+	case 2:								\
 		__put_user_asm("sh", (ptr), __gu_val, __gu_err);	\
 		break;							\
 	case 4:								\
@@ -205,121 +285,82 @@ extern long strnlen_user(const char *src, long count);
 		__put_user_asm_8((ptr), __gu_val, __gu_err);		\
 		break;							\
 	default:							\
-		__gu_err = -EINVAL;					\
+		/*__gu_err = -EINVAL;*/	__gu_err = __user_bad();	\
 	}								\
 	__gu_err;							\
 })
 
-#define __put_user_asm_8(__gu_ptr, __gu_val, __gu_err)	\
-({							\
-__asm__ __volatile__ ("	lwi	%0, %1, 0;		\
-		1:	swi	%0, %2, 0;		\
-			lwi	%0, %1, 4;		\
-		2:	swi	%0, %2, 4;		\
-			addk	%0,r0,r0;		\
-		3:					\
-		.section .fixup,\"ax\";			\
-		4:	brid	3b;			\
-			addik	%0, r0, %3;		\
-		.previous;				\
-		.section __ex_table,\"a\";		\
-		.word	1b,4b,2b,4b;			\
-		.previous;"				\
-	: "=&r"(__gu_err)				\
-	: "r"(&__gu_val),				\
-	"r"(__gu_ptr), "i"(-EFAULT)			\
-	);						\
-})
+#ifndef CONFIG_MMU
 
-#define __put_user_asm(insn, __gu_ptr, __gu_val, __gu_err)	\
-({								\
-	__asm__ __volatile__ (					\
-			"1:"	insn	" %1, %2, r0;		\
-				addk	%0, r0, r0;		\
-			2:					\
-			.section .fixup,\"ax\";			\
-			3:	brid	2b;			\
-				addik	%0, r0, %3;		\
-			.previous;				\
-			.section __ex_table,\"a\";		\
-			.word	1b,3b;				\
-			.previous;"				\
-		: "=r"(__gu_err)				\
-		: "r"(__gu_val), "r"(__gu_ptr), "i"(-EFAULT)	\
-	);							\
-})
+#define put_user(x, ptr)	__put_user((x), (ptr))
 
-/*
- * Return: number of not copied bytes, i.e. 0 if OK or non-zero if fail.
- */
-static inline int clear_user(char *to, int size)
-{
-	if (size && access_ok(VERIFY_WRITE, to, size)) {
-		__asm__ __volatile__ ("				\
-				1:				\
-					sb	r0, %2, r0;	\
-					addik	%0, %0, -1;	\
-					bneid	%0, 1b;		\
-					addik	%2, %2, 1;	\
-				2:				\
-				.section __ex_table,\"a\";	\
-				.word	1b,2b;			\
-				.section .text;"		\
-			: "=r"(size)				\
-			: "0"(size), "r"(to)
-		);
-	}
-	return size;
-}
+#else /* CONFIG_MMU */
 
-#define __copy_from_user(to, from, n)	copy_from_user((to), (from), (n))
+#define put_user(x, ptr)						\
+({									\
+	access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr)))			\
+		? __put_user((x), (ptr)) : -EFAULT;			\
+})
+#endif /* CONFIG_MMU */
+
+/* copy_to_from_user */
+#define __copy_from_user(to, from, n)	\
+	__copy_tofrom_user((__force void __user *)(to), \
+				(void __user *)(from), (n))
 #define __copy_from_user_inatomic(to, from, n) \
 		copy_from_user((to), (from), (n))
 
-#define copy_to_user(to, from, n)					\
-	(access_ok(VERIFY_WRITE, (to), (n)) ?				\
-		__copy_tofrom_user((void __user *)(to),			\
-			(__force const void __user *)(from), (n))	\
-		: -EFAULT)
+static inline long copy_from_user(void *to,
+		const void __user *from, unsigned long n)
+{
+	might_sleep();
+	if (access_ok(VERIFY_READ, from, n))
+		return __copy_from_user(to, from, n);
+	return n;
+}
 
-#define __copy_to_user(to, from, n)	copy_to_user((to), (from), (n))
+#define __copy_to_user(to, from, n)	\
+		__copy_tofrom_user((void __user *)(to), \
+			(__force const void __user *)(from), (n))
 #define __copy_to_user_inatomic(to, from, n)	copy_to_user((to), (from), (n))
 
-#define copy_from_user(to, from, n)					\
-	(access_ok(VERIFY_READ, (from), (n)) ?				\
-		__copy_tofrom_user((__force void __user *)(to),		\
-			(void __user *)(from), (n))			\
-		: -EFAULT)
+static inline long copy_to_user(void __user *to,
+		const void *from, unsigned long n)
+{
+	might_sleep();
+	if (access_ok(VERIFY_WRITE, to, n))
+		return __copy_to_user(to, from, n);
+	return n;
+}
 
+/*
+ * Copy a null terminated string from userspace.
+ */
 extern int __strncpy_user(char *to, const char __user *from, int len);
-extern int __strnlen_user(const char __user *sstr, int len);
 
-#define strncpy_from_user(to, from, len)	\
-		(access_ok(VERIFY_READ, from, 1) ?	\
-			__strncpy_user(to, from, len) : -EFAULT)
-#define strnlen_user(str, len)	\
-		(access_ok(VERIFY_READ, str, 1) ? __strnlen_user(str, len) : 0)
+#define __strncpy_from_user	__strncpy_user
 
-#endif /* CONFIG_MMU */
-
-extern unsigned long __copy_tofrom_user(void __user *to,
-		const void __user *from, unsigned long size);
+static inline long
+strncpy_from_user(char *dst, const char __user *src, long count)
+{
+	if (!access_ok(VERIFY_READ, src, 1))
+		return -EFAULT;
+	return __strncpy_from_user(dst, src, count);
+}
 
 /*
- * The exception table consists of pairs of addresses: the first is the
- * address of an instruction that is allowed to fault, and the second is
- * the address at which the program should continue. No registers are
- * modified, so it is entirely up to the continuation code to figure out
- * what to do.
+ * Return the size of a string (including the ending 0)
  *
- * All the routines below use bits of fixup code that are out of line
- * with the main instruction path. This means when everything is well,
- * we don't even have to jump over them. Further, they do not intrude
- * on our cache or tlb entries.
+ * Return 0 on exception, a value greater than N if too long
  */
-struct exception_table_entry {
-	unsigned long insn, fixup;
-};
+extern int __strnlen_user(const char __user *sstr, int len);
+
+static inline long strnlen_user(const char __user *src, long n)
+{
+	if (!access_ok(VERIFY_READ, src, 1))
+		return 0;
+	return __strnlen_user(src, n);
+}
 
 #endif  /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */
diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile
index b07594eccf9b..e51bc1520825 100644
--- a/arch/microblaze/kernel/Makefile
+++ b/arch/microblaze/kernel/Makefile
@@ -14,7 +14,7 @@ endif
 
 extra-y := head.o vmlinux.lds
 
-obj-y += exceptions.o \
+obj-y += dma.o exceptions.o \
 	hw_exception_handler.o init_task.o intc.o irq.o of_device.o \
 	of_platform.o process.o prom.o prom_parse.o ptrace.o \
 	setup.o signal.o sys_microblaze.o timer.o traps.o reset.o
diff --git a/arch/microblaze/kernel/asm-offsets.c b/arch/microblaze/kernel/asm-offsets.c
index 7bc7b68f97db..0071260a672c 100644
--- a/arch/microblaze/kernel/asm-offsets.c
+++ b/arch/microblaze/kernel/asm-offsets.c
@@ -90,6 +90,7 @@ int main(int argc, char *argv[])
 	DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
 	DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit));
 	DEFINE(TI_CPU_CONTEXT, offsetof(struct thread_info, cpu_context));
+	DEFINE(TI_PREEMPT_COUNT, offsetof(struct thread_info, preempt_count));
 	BLANK();
 
 	/* struct cpu_context */
diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c
index 2a56bccce4e0..f04d8a86dead 100644
--- a/arch/microblaze/kernel/cpu/cache.c
+++ b/arch/microblaze/kernel/cpu/cache.c
@@ -15,25 +15,6 @@
 #include <asm/cpuinfo.h>
 #include <asm/pvr.h>
 
-static inline void __invalidate_flush_icache(unsigned int addr)
-{
-	__asm__ __volatile__ ("wic	%0, r0;"	\
-					: : "r" (addr));
-}
-
-static inline void __flush_dcache(unsigned int addr)
-{
-	__asm__ __volatile__ ("wdc.flush	%0, r0;"	\
-					: : "r" (addr));
-}
-
-static inline void __invalidate_dcache(unsigned int baseaddr,
-						unsigned int offset)
-{
-	__asm__ __volatile__ ("wdc.clear	%0, %1;"	\
-					: : "r" (baseaddr), "r" (offset));
-}
-
 static inline void __enable_icache_msr(void)
 {
 	__asm__ __volatile__ ("	msrset	r0, %0;		\
@@ -148,9 +129,9 @@ do {									\
 	int step = -line_length;					\
 	BUG_ON(step >= 0);						\
 									\
-	__asm__ __volatile__ (" 1:      " #op " r0, %0;			\
-					bgtid   %0, 1b;			\
-					addk    %0, %0, %1;		\
+	__asm__ __volatile__ (" 1:	" #op "	r0, %0;			\
+					bgtid	%0, 1b;			\
+					addk	%0, %0, %1;		\
 					" : : "r" (len), "r" (step)	\
 					: "memory");			\
 } while (0);
@@ -162,9 +143,9 @@ do {									\
 	int count = end - start;					\
 	BUG_ON(count <= 0);						\
 									\
-	__asm__ __volatile__ (" 1:	" #op " %0, %1;			\
-					bgtid   %1, 1b;			\
-					addk    %1, %1, %2;		\
+	__asm__ __volatile__ (" 1:	" #op "	%0, %1;			\
+					bgtid	%1, 1b;			\
+					addk	%1, %1, %2;		\
 					" : : "r" (start), "r" (count),	\
 					"r" (step) : "memory");		\
 } while (0);
@@ -175,7 +156,7 @@ do {									\
 	int volatile temp;						\
 	BUG_ON(end - start <= 0);					\
 									\
-	__asm__ __volatile__ (" 1:	" #op " %1, r0;			\
+	__asm__ __volatile__ (" 1:	" #op "	%1, r0;			\
 					cmpu	%0, %1, %2;		\
 					bgtid	%0, 1b;			\
 					addk	%1, %1, %3;		\
@@ -183,10 +164,14 @@ do {									\
 					"r" (line_length) : "memory");	\
 } while (0);
 
+#define ASM_LOOP
+
 static void __flush_icache_range_msr_irq(unsigned long start, unsigned long end)
 {
 	unsigned long flags;
-
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s: start 0x%x, end 0x%x\n", __func__,
 				(unsigned int)start, (unsigned int) end);
 
@@ -196,8 +181,13 @@ static void __flush_icache_range_msr_irq(unsigned long start, unsigned long end)
 	local_irq_save(flags);
 	__disable_icache_msr();
 
+#ifdef ASM_LOOP
 	CACHE_RANGE_LOOP_1(start, end, cpuinfo.icache_line_length, wic);
-
+#else
+	for (i = start; i < end; i += cpuinfo.icache_line_length)
+		__asm__ __volatile__ ("wic	%0, r0;"	\
+				: : "r" (i));
+#endif
 	__enable_icache_msr();
 	local_irq_restore(flags);
 }
@@ -206,7 +196,9 @@ static void __flush_icache_range_nomsr_irq(unsigned long start,
 				unsigned long end)
 {
 	unsigned long flags;
-
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s: start 0x%x, end 0x%x\n", __func__,
 				(unsigned int)start, (unsigned int) end);
 
@@ -216,7 +208,13 @@ static void __flush_icache_range_nomsr_irq(unsigned long start,
 	local_irq_save(flags);
 	__disable_icache_nomsr();
 
+#ifdef ASM_LOOP
 	CACHE_RANGE_LOOP_1(start, end, cpuinfo.icache_line_length, wic);
+#else
+	for (i = start; i < end; i += cpuinfo.icache_line_length)
+		__asm__ __volatile__ ("wic	%0, r0;"	\
+				: : "r" (i));
+#endif
 
 	__enable_icache_nomsr();
 	local_irq_restore(flags);
@@ -225,25 +223,41 @@ static void __flush_icache_range_nomsr_irq(unsigned long start,
 static void __flush_icache_range_noirq(unsigned long start,
 				unsigned long end)
 {
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s: start 0x%x, end 0x%x\n", __func__,
 				(unsigned int)start, (unsigned int) end);
 
 	CACHE_LOOP_LIMITS(start, end,
 			cpuinfo.icache_line_length, cpuinfo.icache_size);
+#ifdef ASM_LOOP
 	CACHE_RANGE_LOOP_1(start, end, cpuinfo.icache_line_length, wic);
+#else
+	for (i = start; i < end; i += cpuinfo.icache_line_length)
+		__asm__ __volatile__ ("wic	%0, r0;"	\
+				: : "r" (i));
+#endif
 }
 
 static void __flush_icache_all_msr_irq(void)
 {
 	unsigned long flags;
-
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s\n", __func__);
 
 	local_irq_save(flags);
 	__disable_icache_msr();
-
+#ifdef ASM_LOOP
 	CACHE_ALL_LOOP(cpuinfo.icache_size, cpuinfo.icache_line_length, wic);
-
+#else
+	for (i = 0; i < cpuinfo.icache_size;
+		 i += cpuinfo.icache_line_length)
+			__asm__ __volatile__ ("wic	%0, r0;" \
+					: : "r" (i));
+#endif
 	__enable_icache_msr();
 	local_irq_restore(flags);
 }
@@ -251,35 +265,59 @@ static void __flush_icache_all_msr_irq(void)
 static void __flush_icache_all_nomsr_irq(void)
 {
 	unsigned long flags;
-
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s\n", __func__);
 
 	local_irq_save(flags);
 	__disable_icache_nomsr();
-
+#ifdef ASM_LOOP
 	CACHE_ALL_LOOP(cpuinfo.icache_size, cpuinfo.icache_line_length, wic);
-
+#else
+	for (i = 0; i < cpuinfo.icache_size;
+		 i += cpuinfo.icache_line_length)
+			__asm__ __volatile__ ("wic	%0, r0;" \
+					: : "r" (i));
+#endif
 	__enable_icache_nomsr();
 	local_irq_restore(flags);
 }
 
 static void __flush_icache_all_noirq(void)
 {
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s\n", __func__);
+#ifdef ASM_LOOP
 	CACHE_ALL_LOOP(cpuinfo.icache_size, cpuinfo.icache_line_length, wic);
+#else
+	for (i = 0; i < cpuinfo.icache_size;
+		 i += cpuinfo.icache_line_length)
+			__asm__ __volatile__ ("wic	%0, r0;" \
+					: : "r" (i));
+#endif
 }
 
 static void __invalidate_dcache_all_msr_irq(void)
 {
 	unsigned long flags;
-
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s\n", __func__);
 
 	local_irq_save(flags);
 	__disable_dcache_msr();
-
+#ifdef ASM_LOOP
 	CACHE_ALL_LOOP(cpuinfo.dcache_size, cpuinfo.dcache_line_length, wdc);
-
+#else
+	for (i = 0; i < cpuinfo.dcache_size;
+		 i += cpuinfo.dcache_line_length)
+			__asm__ __volatile__ ("wdc	%0, r0;" \
+					: : "r" (i));
+#endif
 	__enable_dcache_msr();
 	local_irq_restore(flags);
 }
@@ -287,60 +325,107 @@ static void __invalidate_dcache_all_msr_irq(void)
 static void __invalidate_dcache_all_nomsr_irq(void)
 {
 	unsigned long flags;
-
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s\n", __func__);
 
 	local_irq_save(flags);
 	__disable_dcache_nomsr();
-
+#ifdef ASM_LOOP
 	CACHE_ALL_LOOP(cpuinfo.dcache_size, cpuinfo.dcache_line_length, wdc);
-
+#else
+	for (i = 0; i < cpuinfo.dcache_size;
+		 i += cpuinfo.dcache_line_length)
+			__asm__ __volatile__ ("wdc	%0, r0;" \
+					: : "r" (i));
+#endif
 	__enable_dcache_nomsr();
 	local_irq_restore(flags);
 }
 
 static void __invalidate_dcache_all_noirq_wt(void)
 {
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s\n", __func__);
+#ifdef ASM_LOOP
 	CACHE_ALL_LOOP(cpuinfo.dcache_size, cpuinfo.dcache_line_length, wdc)
+#else
+	for (i = 0; i < cpuinfo.dcache_size;
+		 i += cpuinfo.dcache_line_length)
+			__asm__ __volatile__ ("wdc	%0, r0;" \
+					: : "r" (i));
+#endif
 }
 
 /* FIXME this is weird - should be only wdc but not work
  * MS: I am getting bus errors and other weird things */
 static void __invalidate_dcache_all_wb(void)
 {
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s\n", __func__);
+#ifdef ASM_LOOP
 	CACHE_ALL_LOOP2(cpuinfo.dcache_size, cpuinfo.dcache_line_length,
 					wdc.clear)
+#else
+	for (i = 0; i < cpuinfo.dcache_size;
+		 i += cpuinfo.dcache_line_length)
+			__asm__ __volatile__ ("wdc.clear	%0, r0;" \
+					: : "r" (i));
+#endif
 }
 
 static void __invalidate_dcache_range_wb(unsigned long start,
 						unsigned long end)
 {
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s: start 0x%x, end 0x%x\n", __func__,
 				(unsigned int)start, (unsigned int) end);
 
 	CACHE_LOOP_LIMITS(start, end,
 			cpuinfo.dcache_line_length, cpuinfo.dcache_size);
+#ifdef ASM_LOOP
 	CACHE_RANGE_LOOP_2(start, end, cpuinfo.dcache_line_length, wdc.clear);
+#else
+	for (i = start; i < end; i += cpuinfo.icache_line_length)
+		__asm__ __volatile__ ("wdc.clear	%0, r0;"	\
+				: : "r" (i));
+#endif
 }
 
 static void __invalidate_dcache_range_nomsr_wt(unsigned long start,
 							unsigned long end)
 {
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s: start 0x%x, end 0x%x\n", __func__,
 				(unsigned int)start, (unsigned int) end);
 	CACHE_LOOP_LIMITS(start, end,
 			cpuinfo.dcache_line_length, cpuinfo.dcache_size);
 
+#ifdef ASM_LOOP
 	CACHE_RANGE_LOOP_1(start, end, cpuinfo.dcache_line_length, wdc);
+#else
+	for (i = start; i < end; i += cpuinfo.icache_line_length)
+		__asm__ __volatile__ ("wdc	%0, r0;"	\
+				: : "r" (i));
+#endif
 }
 
 static void __invalidate_dcache_range_msr_irq_wt(unsigned long start,
 							unsigned long end)
 {
 	unsigned long flags;
-
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s: start 0x%x, end 0x%x\n", __func__,
 				(unsigned int)start, (unsigned int) end);
 	CACHE_LOOP_LIMITS(start, end,
@@ -349,7 +434,13 @@ static void __invalidate_dcache_range_msr_irq_wt(unsigned long start,
 	local_irq_save(flags);
 	__disable_dcache_msr();
 
+#ifdef ASM_LOOP
 	CACHE_RANGE_LOOP_1(start, end, cpuinfo.dcache_line_length, wdc);
+#else
+	for (i = start; i < end; i += cpuinfo.icache_line_length)
+		__asm__ __volatile__ ("wdc	%0, r0;"	\
+				: : "r" (i));
+#endif
 
 	__enable_dcache_msr();
 	local_irq_restore(flags);
@@ -359,7 +450,9 @@ static void __invalidate_dcache_range_nomsr_irq(unsigned long start,
 							unsigned long end)
 {
 	unsigned long flags;
-
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s: start 0x%x, end 0x%x\n", __func__,
 				(unsigned int)start, (unsigned int) end);
 
@@ -369,7 +462,13 @@ static void __invalidate_dcache_range_nomsr_irq(unsigned long start,
 	local_irq_save(flags);
 	__disable_dcache_nomsr();
 
+#ifdef ASM_LOOP
 	CACHE_RANGE_LOOP_1(start, end, cpuinfo.dcache_line_length, wdc);
+#else
+	for (i = start; i < end; i += cpuinfo.icache_line_length)
+		__asm__ __volatile__ ("wdc	%0, r0;"	\
+				: : "r" (i));
+#endif
 
 	__enable_dcache_nomsr();
 	local_irq_restore(flags);
@@ -377,19 +476,38 @@ static void __invalidate_dcache_range_nomsr_irq(unsigned long start,
 
 static void __flush_dcache_all_wb(void)
 {
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s\n", __func__);
+#ifdef ASM_LOOP
 	CACHE_ALL_LOOP(cpuinfo.dcache_size, cpuinfo.dcache_line_length,
 				wdc.flush);
+#else
+	for (i = 0; i < cpuinfo.dcache_size;
+		 i += cpuinfo.dcache_line_length)
+			__asm__ __volatile__ ("wdc.flush	%0, r0;" \
+					: : "r" (i));
+#endif
 }
 
 static void __flush_dcache_range_wb(unsigned long start, unsigned long end)
 {
+#ifndef ASM_LOOP
+	int i;
+#endif
 	pr_debug("%s: start 0x%x, end 0x%x\n", __func__,
 				(unsigned int)start, (unsigned int) end);
 
 	CACHE_LOOP_LIMITS(start, end,
 			cpuinfo.dcache_line_length, cpuinfo.dcache_size);
+#ifdef ASM_LOOP
 	CACHE_RANGE_LOOP_2(start, end, cpuinfo.dcache_line_length, wdc.flush);
+#else
+	for (i = start; i < end; i += cpuinfo.icache_line_length)
+		__asm__ __volatile__ ("wdc.flush	%0, r0;"	\
+				: : "r" (i));
+#endif
 }
 
 /* struct for wb caches and for wt caches */
@@ -493,7 +611,7 @@ const struct scache wt_nomsr_noirq = {
 #define CPUVER_7_20_A	0x0c
 #define CPUVER_7_20_D	0x0f
 
-#define INFO(s)	printk(KERN_INFO "cache: " s " \n");
+#define INFO(s)	printk(KERN_INFO "cache: " s "\n");
 
 void microblaze_cache_init(void)
 {
@@ -532,4 +650,9 @@ void microblaze_cache_init(void)
 			}
 		}
 	}
+	invalidate_dcache();
+	enable_dcache();
+
+	invalidate_icache();
+	enable_icache();
 }
diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c
new file mode 100644
index 000000000000..4d5b0311601b
--- /dev/null
+++ b/arch/microblaze/kernel/dma.c
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2009-2010 PetaLogix
+ * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corporation
+ *
+ * Provide default implementations of the DMA mapping callbacks for
+ * directly mapped busses.
+ */
+
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/dma-debug.h>
+#include <asm/bug.h>
+#include <asm/cacheflush.h>
+
+/*
+ * Generic direct DMA implementation
+ *
+ * This implementation supports a per-device offset that can be applied if
+ * the address at which memory is visible to devices is not 0. Platform code
+ * can set archdata.dma_data to an unsigned long holding the offset. By
+ * default the offset is PCI_DRAM_OFFSET.
+ */
+static inline void __dma_sync_page(unsigned long paddr, unsigned long offset,
+				size_t size, enum dma_data_direction direction)
+{
+	switch (direction) {
+	case DMA_TO_DEVICE:
+		flush_dcache_range(paddr + offset, paddr + offset + size);
+		break;
+	case DMA_FROM_DEVICE:
+		invalidate_dcache_range(paddr + offset, paddr + offset + size);
+		break;
+	default:
+		BUG();
+	}
+}
+
+static unsigned long get_dma_direct_offset(struct device *dev)
+{
+	if (likely(dev))
+		return (unsigned long)dev->archdata.dma_data;
+
+	return PCI_DRAM_OFFSET; /* FIXME Not sure if is correct */
+}
+
+#define NOT_COHERENT_CACHE
+
+static void *dma_direct_alloc_coherent(struct device *dev, size_t size,
+				dma_addr_t *dma_handle, gfp_t flag)
+{
+#ifdef NOT_COHERENT_CACHE
+	return consistent_alloc(flag, size, dma_handle);
+#else
+	void *ret;
+	struct page *page;
+	int node = dev_to_node(dev);
+
+	/* ignore region specifiers */
+	flag  &= ~(__GFP_HIGHMEM);
+
+	page = alloc_pages_node(node, flag, get_order(size));
+	if (page == NULL)
+		return NULL;
+	ret = page_address(page);
+	memset(ret, 0, size);
+	*dma_handle = virt_to_phys(ret) + get_dma_direct_offset(dev);
+
+	return ret;
+#endif
+}
+
+static void dma_direct_free_coherent(struct device *dev, size_t size,
+			      void *vaddr, dma_addr_t dma_handle)
+{
+#ifdef NOT_COHERENT_CACHE
+	consistent_free(vaddr);
+#else
+	free_pages((unsigned long)vaddr, get_order(size));
+#endif
+}
+
+static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl,
+			     int nents, enum dma_data_direction direction,
+			     struct dma_attrs *attrs)
+{
+	struct scatterlist *sg;
+	int i;
+
+	/* FIXME this part of code is untested */
+	for_each_sg(sgl, sg, nents, i) {
+		sg->dma_address = sg_phys(sg) + get_dma_direct_offset(dev);
+		sg->dma_length = sg->length;
+		__dma_sync_page(page_to_phys(sg_page(sg)), sg->offset,
+							sg->length, direction);
+	}
+
+	return nents;
+}
+
+static void dma_direct_unmap_sg(struct device *dev, struct scatterlist *sg,
+				int nents, enum dma_data_direction direction,
+				struct dma_attrs *attrs)
+{
+}
+
+static int dma_direct_dma_supported(struct device *dev, u64 mask)
+{
+	return 1;
+}
+
+static inline dma_addr_t dma_direct_map_page(struct device *dev,
+					     struct page *page,
+					     unsigned long offset,
+					     size_t size,
+					     enum dma_data_direction direction,
+					     struct dma_attrs *attrs)
+{
+	__dma_sync_page(page_to_phys(page), offset, size, direction);
+	return page_to_phys(page) + offset + get_dma_direct_offset(dev);
+}
+
+static inline void dma_direct_unmap_page(struct device *dev,
+					 dma_addr_t dma_address,
+					 size_t size,
+					 enum dma_data_direction direction,
+					 struct dma_attrs *attrs)
+{
+/* There is not necessary to do cache cleanup
+ *
+ * phys_to_virt is here because in __dma_sync_page is __virt_to_phys and
+ * dma_address is physical address
+ */
+	__dma_sync_page(dma_address, 0 , size, direction);
+}
+
+struct dma_map_ops dma_direct_ops = {
+	.alloc_coherent	= dma_direct_alloc_coherent,
+	.free_coherent	= dma_direct_free_coherent,
+	.map_sg		= dma_direct_map_sg,
+	.unmap_sg	= dma_direct_unmap_sg,
+	.dma_supported	= dma_direct_dma_supported,
+	.map_page	= dma_direct_map_page,
+	.unmap_page	= dma_direct_unmap_page,
+};
+EXPORT_SYMBOL(dma_direct_ops);
+
+/* Number of entries preallocated for DMA-API debugging */
+#define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16)
+
+static int __init dma_init(void)
+{
+       dma_debug_init(PREALLOC_DMA_DEBUG_ENTRIES);
+
+       return 0;
+}
+fs_initcall(dma_init);
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index 3bad4ff49471..c0ede25c5b99 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -305,7 +305,7 @@ C_ENTRY(_user_exception):
 	swi	r11, r1, PTO+PT_R1;		/* Store user SP.  */
 	addi	r11, r0, 1;
 	swi	r11, r0, TOPHYS(PER_CPU(KM));	/* Now we're in kernel-mode.  */
-2:	lwi	r31, r0, TOPHYS(PER_CPU(CURRENT_SAVE));	/* get saved current */
+2:	lwi	CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE));
 	/* Save away the syscall number.  */
 	swi	r12, r1, PTO+PT_R0;
 	tovirt(r1,r1)
@@ -322,8 +322,7 @@ C_ENTRY(_user_exception):
 	rtid	r11, 0
 	nop
 3:
-	add	r11, r0, CURRENT_TASK	 /* Get current task ptr into r11 */
-	lwi	r11, r11, TS_THREAD_INFO /* get thread info */
+	lwi	r11, CURRENT_TASK, TS_THREAD_INFO /* get thread info */
 	lwi	r11, r11, TI_FLAGS	 /* get flags in thread info */
 	andi	r11, r11, _TIF_WORK_SYSCALL_MASK
 	beqi	r11, 4f
@@ -382,60 +381,50 @@ C_ENTRY(ret_from_trap):
 /* See if returning to kernel mode, if so, skip resched &c.  */
 	bnei	r11, 2f;
 
+	swi	r3, r1, PTO + PT_R3
+	swi	r4, r1, PTO + PT_R4
+
 	/* We're returning to user mode, so check for various conditions that
 	 * trigger rescheduling. */
-	# FIXME: Restructure all these flag checks.
-	add	r11, r0, CURRENT_TASK;	/* Get current task ptr into r11 */
-	lwi	r11, r11, TS_THREAD_INFO;	/* get thread info */
+	/* FIXME: Restructure all these flag checks. */
+	lwi	r11, CURRENT_TASK, TS_THREAD_INFO;	/* get thread info */
 	lwi	r11, r11, TI_FLAGS;		/* get flags in thread info */
 	andi	r11, r11, _TIF_WORK_SYSCALL_MASK
 	beqi	r11, 1f
 
-	swi	r3, r1, PTO + PT_R3
-	swi	r4, r1, PTO + PT_R4
 	brlid	r15, do_syscall_trace_leave
 	addik	r5, r1, PTO + PT_R0
-	lwi	r3, r1, PTO + PT_R3
-	lwi	r4, r1, PTO + PT_R4
 1:
-
 	/* We're returning to user mode, so check for various conditions that
 	 * trigger rescheduling. */
-	/* Get current task ptr into r11 */
-	add	r11, r0, CURRENT_TASK;	/* Get current task ptr into r11 */
-	lwi	r11, r11, TS_THREAD_INFO;	/* get thread info */
+	/* get thread info from current task */
+	lwi	r11, CURRENT_TASK, TS_THREAD_INFO;
 	lwi	r11, r11, TI_FLAGS;		/* get flags in thread info */
 	andi	r11, r11, _TIF_NEED_RESCHED;
 	beqi	r11, 5f;
 
-	swi	r3, r1, PTO + PT_R3; /* store syscall result */
-	swi	r4, r1, PTO + PT_R4;
 	bralid	r15, schedule;	/* Call scheduler */
 	nop;				/* delay slot */
-	lwi	r3, r1, PTO + PT_R3; /* restore syscall result */
-	lwi	r4, r1, PTO + PT_R4;
 
 	/* Maybe handle a signal */
-5:	add	r11, r0, CURRENT_TASK; /* Get current task ptr into r11 */
-	lwi	r11, r11, TS_THREAD_INFO;	/* get thread info */
+5:	/* get thread info from current task*/
+	lwi	r11, CURRENT_TASK, TS_THREAD_INFO;
 	lwi	r11, r11, TI_FLAGS;	/* get flags in thread info */
 	andi	r11, r11, _TIF_SIGPENDING;
 	beqi	r11, 1f;		/* Signals to handle, handle them */
 
-	swi	r3, r1, PTO + PT_R3; /* store syscall result */
-	swi	r4, r1, PTO + PT_R4;
 	la	r5, r1, PTO;		/* Arg 1: struct pt_regs *regs */
-	add	r6, r0, r0;		/* Arg 2: sigset_t *oldset */
 	addi	r7, r0, 1;		/* Arg 3: int in_syscall */
 	bralid	r15, do_signal;	/* Handle any signals */
-	nop;
+	add	r6, r0, r0;		/* Arg 2: sigset_t *oldset */
+
+/* Finally, return to user state.  */
+1:
 	lwi	r3, r1, PTO + PT_R3; /* restore syscall result */
 	lwi	r4, r1, PTO + PT_R4;
 
-/* Finally, return to user state.  */
-1:	swi	r0, r0, PER_CPU(KM);	/* Now officially in user state. */
-	add	r11, r0, CURRENT_TASK;	/* Get current task ptr into r11 */
-	swi	r11, r0, PER_CPU(CURRENT_SAVE); /* save current */
+	swi	r0, r0, PER_CPU(KM);	/* Now officially in user state. */
+	swi	CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); /* save current */
 	VM_OFF;
 	tophys(r1,r1);
 	RESTORE_REGS;
@@ -565,7 +554,7 @@ C_ENTRY(sys_rt_sigreturn_wrapper):
 	swi	r11, r1, PTO+PT_R1; /* Store user SP.  */		\
 	addi	r11, r0, 1;						\
 	swi	r11, r0, TOPHYS(PER_CPU(KM)); /* Now we're in kernel-mode.*/\
-2:	lwi	r31, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); /* get saved current */\
+2:	lwi	CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE));	\
 	/* Save away the syscall number.  */				\
 	swi	r0, r1, PTO+PT_R0;					\
 	tovirt(r1,r1)
@@ -673,9 +662,7 @@ C_ENTRY(ret_from_exc):
 
 	/* We're returning to user mode, so check for various conditions that
 	   trigger rescheduling. */
-	/* Get current task ptr into r11 */
-	add	r11, r0, CURRENT_TASK; /* Get current task ptr into r11 */
-	lwi	r11, r11, TS_THREAD_INFO;	/* get thread info */
+	lwi	r11, CURRENT_TASK, TS_THREAD_INFO;	/* get thread info */
 	lwi	r11, r11, TI_FLAGS;	/* get flags in thread info */
 	andi	r11, r11, _TIF_NEED_RESCHED;
 	beqi	r11, 5f;
@@ -685,8 +672,7 @@ C_ENTRY(ret_from_exc):
 	nop;				/* delay slot */
 
 	/* Maybe handle a signal */
-5:	add	r11, r0, CURRENT_TASK; /* Get current task ptr into r11 */
-	lwi	r11, r11, TS_THREAD_INFO;	/* get thread info */
+5:	lwi	r11, CURRENT_TASK, TS_THREAD_INFO;	/* get thread info */
 	lwi	r11, r11, TI_FLAGS;	/* get flags in thread info */
 	andi	r11, r11, _TIF_SIGPENDING;
 	beqi	r11, 1f;		/* Signals to handle, handle them */
@@ -705,15 +691,13 @@ C_ENTRY(ret_from_exc):
 	 * store return registers separately because this macros is use
 	 * for others exceptions */
 	la	r5, r1, PTO;		/* Arg 1: struct pt_regs *regs */
-	add	r6, r0, r0;		/* Arg 2: sigset_t *oldset */
 	addi	r7, r0, 0;		/* Arg 3: int in_syscall */
 	bralid	r15, do_signal;	/* Handle any signals */
-	nop;
+	add	r6, r0, r0;		/* Arg 2: sigset_t *oldset */
 
 /* Finally, return to user state.  */
 1:	swi	r0, r0, PER_CPU(KM);	/* Now officially in user state. */
-	add	r11, r0, CURRENT_TASK; /* Get current task ptr into r11 */
-	swi	r11, r0, PER_CPU(CURRENT_SAVE); /* save current */
+	swi	CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); /* save current */
 	VM_OFF;
 	tophys(r1,r1);
 
@@ -802,7 +786,7 @@ C_ENTRY(_interrupt):
 	swi	r11, r0, TOPHYS(PER_CPU(KM));
 
 2:
-	lwi	r31, r0, TOPHYS(PER_CPU(CURRENT_SAVE));
+	lwi	CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE));
 	swi	r0, r1, PTO + PT_R0;
 	tovirt(r1,r1)
 	la	r5, r1, PTO;
@@ -817,8 +801,7 @@ ret_from_irq:
 	lwi	r11, r1, PTO + PT_MODE;
 	bnei	r11, 2f;
 
-	add	r11, r0, CURRENT_TASK;
-	lwi	r11, r11, TS_THREAD_INFO;
+	lwi	r11, CURRENT_TASK, TS_THREAD_INFO;
 	lwi	r11, r11, TI_FLAGS; /* MS: get flags from thread info */
 	andi	r11, r11, _TIF_NEED_RESCHED;
 	beqi	r11, 5f
@@ -826,8 +809,7 @@ ret_from_irq:
 	nop; /* delay slot */
 
     /* Maybe handle a signal */
-5:	add	r11, r0, CURRENT_TASK;
-	lwi	r11, r11, TS_THREAD_INFO; /* MS: get thread info */
+5:	lwi	r11, CURRENT_TASK, TS_THREAD_INFO; /* MS: get thread info */
 	lwi	r11, r11, TI_FLAGS; /* get flags in thread info */
 	andi	r11, r11, _TIF_SIGPENDING;
 	beqid	r11, no_intr_resched
@@ -842,8 +824,7 @@ no_intr_resched:
     /* Disable interrupts, we are now committed to the state restore */
 	disable_irq
 	swi	r0, r0, PER_CPU(KM); /* MS: Now officially in user state. */
-	add	r11, r0, CURRENT_TASK;
-	swi	r11, r0, PER_CPU(CURRENT_SAVE);
+	swi	CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE);
 	VM_OFF;
 	tophys(r1,r1);
 	lwi	r3, r1, PTO + PT_R3; /* MS: restore saved r3, r4 registers */
@@ -853,7 +834,28 @@ no_intr_resched:
 	lwi	r1, r1, PT_R1 - PT_SIZE;
 	bri	6f;
 /* MS: Return to kernel state. */
-2:	VM_OFF /* MS: turn off MMU */
+2:
+#ifdef CONFIG_PREEMPT
+	lwi	r11, CURRENT_TASK, TS_THREAD_INFO;
+	/* MS: get preempt_count from thread info */
+	lwi	r5, r11, TI_PREEMPT_COUNT;
+	bgti	r5, restore;
+
+	lwi	r5, r11, TI_FLAGS;		/* get flags in thread info */
+	andi	r5, r5, _TIF_NEED_RESCHED;
+	beqi	r5, restore /* if zero jump over */
+
+preempt:
+	/* interrupts are off that's why I am calling preempt_chedule_irq */
+	bralid	r15, preempt_schedule_irq
+	nop
+	lwi	r11, CURRENT_TASK, TS_THREAD_INFO;	/* get thread info */
+	lwi	r5, r11, TI_FLAGS;		/* get flags in thread info */
+	andi	r5, r5, _TIF_NEED_RESCHED;
+	bnei	r5, preempt /* if non zero jump to resched */
+restore:
+#endif
+	VM_OFF /* MS: turn off MMU */
 	tophys(r1,r1)
 	lwi	r3, r1, PTO + PT_R3; /* MS: restore saved r3, r4 registers */
 	lwi	r4, r1, PTO + PT_R4;
@@ -915,7 +917,7 @@ C_ENTRY(_debug_exception):
 	swi	r11, r1, PTO+PT_R1; /* Store user SP.  */
 	addi	r11, r0, 1;
 	swi	r11, r0, TOPHYS(PER_CPU(KM));	/* Now we're in kernel-mode.  */
-2:	lwi	r31, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); /* get saved current */
+2:	lwi	CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE));
 	/* Save away the syscall number.  */
 	swi	r0, r1, PTO+PT_R0;
 	tovirt(r1,r1)
@@ -935,8 +937,7 @@ dbtrap_call:	rtbd	r11, 0;
 	bnei	r11, 2f;
 
 	/* Get current task ptr into r11 */
-	add	r11, r0, CURRENT_TASK; /* Get current task ptr into r11 */
-	lwi	r11, r11, TS_THREAD_INFO;	/* get thread info */
+	lwi	r11, CURRENT_TASK, TS_THREAD_INFO;	/* get thread info */
 	lwi	r11, r11, TI_FLAGS;	/* get flags in thread info */
 	andi	r11, r11, _TIF_NEED_RESCHED;
 	beqi	r11, 5f;
@@ -949,8 +950,7 @@ dbtrap_call:	rtbd	r11, 0;
 	/* XXX m68knommu also checks TASK_STATE & TASK_COUNTER here.  */
 
 	/* Maybe handle a signal */
-5:	add	r11, r0, CURRENT_TASK; /* Get current task ptr into r11 */
-	lwi	r11, r11, TS_THREAD_INFO;	/* get thread info */
+5:	lwi	r11, CURRENT_TASK, TS_THREAD_INFO;	/* get thread info */
 	lwi	r11, r11, TI_FLAGS;	/* get flags in thread info */
 	andi	r11, r11, _TIF_SIGPENDING;
 	beqi	r11, 1f;		/* Signals to handle, handle them */
@@ -966,16 +966,14 @@ dbtrap_call:	rtbd	r11, 0;
 	   (in a possibly modified form) after do_signal returns.  */
 
 	la	r5, r1, PTO;		/* Arg 1: struct pt_regs *regs */
-	add	r6, r0, r0;		/* Arg 2: sigset_t *oldset */
 	addi  r7, r0, 0;	/* Arg 3: int in_syscall */
 	bralid	r15, do_signal;	/* Handle any signals */
-	nop;
+	add	r6, r0, r0;		/* Arg 2: sigset_t *oldset */
 
 
 /* Finally, return to user state.  */
 1:	swi	r0, r0, PER_CPU(KM);	/* Now officially in user state. */
-	add	r11, r0, CURRENT_TASK; /* Get current task ptr into r11 */
-	swi	r11, r0, PER_CPU(CURRENT_SAVE); /* save current */
+	swi	CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); /* save current */
 	VM_OFF;
 	tophys(r1,r1);
 
@@ -1007,7 +1005,7 @@ DBTRAP_return:		/* Make global symbol for debugging */
 
 ENTRY(_switch_to)
 	/* prepare return value */
-	addk	r3, r0, r31
+	addk	r3, r0, CURRENT_TASK
 
 	/* save registers in cpu_context */
 	/* use r11 and r12, volatile registers, as temp register */
@@ -1051,10 +1049,10 @@ ENTRY(_switch_to)
 	nop
 	swi	r12, r11, CC_FSR
 
-	/* update r31, the current */
-	lwi	r31, r6, TI_TASK/* give me pointer to task which will be next */
+	/* update r31, the current-give me pointer to task which will be next */
+	lwi	CURRENT_TASK, r6, TI_TASK
 	/* stored it to current_save too */
-	swi	r31, r0, PER_CPU(CURRENT_SAVE)
+	swi	CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE)
 
 	/* get new process' cpu context and restore */
 	/* give me start where start context of next task */
diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S
index 30916193fcc7..da6a5f5dc766 100644
--- a/arch/microblaze/kernel/head.S
+++ b/arch/microblaze/kernel/head.S
@@ -51,6 +51,12 @@ swapper_pg_dir:
 
 	.text
 ENTRY(_start)
+#if CONFIG_KERNEL_BASE_ADDR == 0
+	brai	TOPHYS(real_start)
+	.org	0x100
+real_start:
+#endif
+
 	mfs	r1, rmsr
 	andi	r1, r1, ~2
 	mts	rmsr, r1
@@ -99,8 +105,8 @@ no_fdt_arg:
 	tophys(r4,r4)			/* convert to phys address */
 	ori	r3, r0, COMMAND_LINE_SIZE - 1 /* number of loops */
 _copy_command_line:
-	lbu	r7, r5, r6 /* r7=r5+r6 - r5 contain pointer to command line */
-	sb	r7, r4, r6		/* addr[r4+r6]= r7*/
+	lbu	r2, r5, r6 /* r2=r5+r6 - r5 contain pointer to command line */
+	sb	r2, r4, r6		/* addr[r4+r6]= r2*/
 	addik	r6, r6, 1		/* increment counting */
 	bgtid	r3, _copy_command_line	/* loop for all entries       */
 	addik	r3, r3, -1		/* descrement loop */
@@ -128,7 +134,7 @@ _copy_bram:
 	 * virtual to physical.
 	 */
 	nop
-	addik	r3, r0, 63		/* Invalidate all TLB entries */
+	addik	r3, r0, MICROBLAZE_TLB_SIZE -1	/* Invalidate all TLB entries */
 _invalidate:
 	mts	rtlbx, r3
 	mts	rtlbhi, r0			/* flush: ensure V is clear   */
@@ -136,6 +142,11 @@ _invalidate:
 	addik	r3, r3, -1
 	/* sync */
 
+	/* Setup the kernel PID */
+	mts	rpid,r0			/* Load the kernel PID */
+	nop
+	bri	4
+
 	/*
 	 * We should still be executing code at physical address area
 	 * RAM_BASEADDR at this point. However, kernel code is at
@@ -146,10 +157,6 @@ _invalidate:
 	addik	r3,r0, CONFIG_KERNEL_START /* Load the kernel virtual address */
 	tophys(r4,r3)			/* Load the kernel physical address */
 
-	mts	rpid,r0			/* Load the kernel PID */
-	nop
-	bri	4
-
 	/*
 	 * Configure and load two entries into TLB slots 0 and 1.
 	 * In case we are pinning TLBs, these are reserved in by the
diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S
index 2b86c03aa841..995a2123635b 100644
--- a/arch/microblaze/kernel/hw_exception_handler.S
+++ b/arch/microblaze/kernel/hw_exception_handler.S
@@ -313,13 +313,13 @@ _hw_exception_handler:
 	mfs	r5, rmsr;
 	nop
 	swi	r5, r1, 0;
-	mfs	r3, resr
+	mfs	r4, resr
 	nop
-	mfs	r4, rear;
+	mfs	r3, rear;
 	nop
 
 #ifndef CONFIG_MMU
-	andi	r5, r3, 0x1000;		/* Check ESR[DS] */
+	andi	r5, r4, 0x1000;		/* Check ESR[DS] */
 	beqi	r5, not_in_delay_slot;	/* Branch if ESR[DS] not set */
 	mfs	r17, rbtr;	/* ESR[DS] set - return address in BTR */
 	nop
@@ -327,13 +327,14 @@ not_in_delay_slot:
 	swi	r17, r1, PT_R17
 #endif
 
-	andi	r5, r3, 0x1F;		/* Extract ESR[EXC] */
+	andi	r5, r4, 0x1F;		/* Extract ESR[EXC] */
 
 #ifdef CONFIG_MMU
 	/* Calculate exception vector offset = r5 << 2 */
 	addk	r6, r5, r5; /* << 1 */
 	addk	r6, r6, r6; /* << 2 */
 
+#ifdef DEBUG
 /* counting which exception happen */
 	lwi	r5, r0, 0x200 + TOPHYS(r0_ram)
 	addi	r5, r5, 1
@@ -341,6 +342,7 @@ not_in_delay_slot:
 	lwi	r5, r6, 0x200 + TOPHYS(r0_ram)
 	addi	r5, r5, 1
 	swi	r5, r6, 0x200 + TOPHYS(r0_ram)
+#endif
 /* end */
 	/* Load the HW Exception vector */
 	lwi	r6, r6, TOPHYS(_MB_HW_ExceptionVectorTable)
@@ -376,7 +378,7 @@ handle_other_ex: /* Handle Other exceptions here */
 	swi	r18, r1, PT_R18
 
 	or	r5, r1, r0
-	andi	r6, r3, 0x1F; /* Load ESR[EC] */
+	andi	r6, r4, 0x1F; /* Load ESR[EC] */
 	lwi	r7, r0, PER_CPU(KM) /* MS: saving current kernel mode to regs */
 	swi	r7, r1, PT_MODE
 	mfs	r7, rfsr
@@ -426,11 +428,11 @@ handle_other_ex: /* Handle Other exceptions here */
  */
 handle_unaligned_ex:
 	/* Working registers already saved: R3, R4, R5, R6
-	 *  R3 = ESR
-	 *  R4 = EAR
+	 *  R4 = ESR
+	 *  R3 = EAR
 	 */
 #ifdef CONFIG_MMU
-	andi	r6, r3, 0x1000			/* Check ESR[DS] */
+	andi	r6, r4, 0x1000			/* Check ESR[DS] */
 	beqi	r6, _no_delayslot		/* Branch if ESR[DS] not set */
 	mfs	r17, rbtr;	/* ESR[DS] set - return address in BTR */
 	nop
@@ -439,7 +441,7 @@ _no_delayslot:
 	RESTORE_STATE;
 	bri	unaligned_data_trap
 #endif
-	andi	r6, r3, 0x3E0; /* Mask and extract the register operand */
+	andi	r6, r4, 0x3E0; /* Mask and extract the register operand */
 	srl	r6, r6; /* r6 >> 5 */
 	srl	r6, r6;
 	srl	r6, r6;
@@ -448,33 +450,33 @@ _no_delayslot:
 	/* Store the register operand in a temporary location */
 	sbi	r6, r0, TOPHYS(ex_reg_op);
 
-	andi	r6, r3, 0x400; /* Extract ESR[S] */
+	andi	r6, r4, 0x400; /* Extract ESR[S] */
 	bnei	r6, ex_sw;
 ex_lw:
-	andi	r6, r3, 0x800; /* Extract ESR[W] */
+	andi	r6, r4, 0x800; /* Extract ESR[W] */
 	beqi	r6, ex_lhw;
-	lbui	r5, r4, 0; /* Exception address in r4 */
+	lbui	r5, r3, 0; /* Exception address in r3 */
 	/* Load a word, byte-by-byte from destination address
 		and save it in tmp space */
 	sbi	r5, r0, TOPHYS(ex_tmp_data_loc_0);
-	lbui	r5, r4, 1;
+	lbui	r5, r3, 1;
 	sbi	r5, r0, TOPHYS(ex_tmp_data_loc_1);
-	lbui	r5, r4, 2;
+	lbui	r5, r3, 2;
 	sbi	r5, r0, TOPHYS(ex_tmp_data_loc_2);
-	lbui	r5, r4, 3;
+	lbui	r5, r3, 3;
 	sbi	r5, r0, TOPHYS(ex_tmp_data_loc_3);
-	/* Get the destination register value into r3 */
-	lwi	r3, r0, TOPHYS(ex_tmp_data_loc_0);
+	/* Get the destination register value into r4 */
+	lwi	r4, r0, TOPHYS(ex_tmp_data_loc_0);
 	bri	ex_lw_tail;
 ex_lhw:
-	lbui	r5, r4, 0; /* Exception address in r4 */
+	lbui	r5, r3, 0; /* Exception address in r3 */
 	/* Load a half-word, byte-by-byte from destination
 		address and save it in tmp space */
 	sbi	r5, r0, TOPHYS(ex_tmp_data_loc_0);
-	lbui	r5, r4, 1;
+	lbui	r5, r3, 1;
 	sbi	r5, r0, TOPHYS(ex_tmp_data_loc_1);
-	/* Get the destination register value into r3 */
-	lhui	r3, r0, TOPHYS(ex_tmp_data_loc_0);
+	/* Get the destination register value into r4 */
+	lhui	r4, r0, TOPHYS(ex_tmp_data_loc_0);
 ex_lw_tail:
 	/* Get the destination register number into r5 */
 	lbui	r5, r0, TOPHYS(ex_reg_op);
@@ -502,25 +504,25 @@ ex_sw_tail:
 	andi	r6, r6, 0x800; /* Extract ESR[W] */
 	beqi	r6, ex_shw;
 	/* Get the word - delay slot */
-	swi	r3, r0, TOPHYS(ex_tmp_data_loc_0);
+	swi	r4, r0, TOPHYS(ex_tmp_data_loc_0);
 	/* Store the word, byte-by-byte into destination address */
-	lbui	r3, r0, TOPHYS(ex_tmp_data_loc_0);
-	sbi	r3, r4, 0;
-	lbui	r3, r0, TOPHYS(ex_tmp_data_loc_1);
-	sbi	r3, r4, 1;
-	lbui	r3, r0, TOPHYS(ex_tmp_data_loc_2);
-	sbi	r3, r4, 2;
-	lbui	r3, r0, TOPHYS(ex_tmp_data_loc_3);
-	sbi	r3, r4, 3;
+	lbui	r4, r0, TOPHYS(ex_tmp_data_loc_0);
+	sbi	r4, r3, 0;
+	lbui	r4, r0, TOPHYS(ex_tmp_data_loc_1);
+	sbi	r4, r3, 1;
+	lbui	r4, r0, TOPHYS(ex_tmp_data_loc_2);
+	sbi	r4, r3, 2;
+	lbui	r4, r0, TOPHYS(ex_tmp_data_loc_3);
+	sbi	r4, r3, 3;
 	bri	ex_handler_done;
 
 ex_shw:
 	/* Store the lower half-word, byte-by-byte into destination address */
-	swi	r3, r0, TOPHYS(ex_tmp_data_loc_0);
-	lbui	r3, r0, TOPHYS(ex_tmp_data_loc_2);
-	sbi	r3, r4, 0;
-	lbui	r3, r0, TOPHYS(ex_tmp_data_loc_3);
-	sbi	r3, r4, 1;
+	swi	r4, r0, TOPHYS(ex_tmp_data_loc_0);
+	lbui	r4, r0, TOPHYS(ex_tmp_data_loc_2);
+	sbi	r4, r3, 0;
+	lbui	r4, r0, TOPHYS(ex_tmp_data_loc_3);
+	sbi	r4, r3, 1;
 ex_sw_end: /* Exception handling of store word, ends. */
 
 ex_handler_done:
@@ -560,21 +562,16 @@ ex_handler_done:
 		 */
 		mfs	r11, rpid
 		nop
-		bri	4
-		mfs	r3, rear		/* Get faulting address */
-		nop
 		/* If we are faulting a kernel address, we have to use the
 		 * kernel page tables.
 		 */
-		ori	r4, r0, CONFIG_KERNEL_START
-		cmpu	r4, r3, r4
-		bgti	r4, ex3
+		ori	r5, r0, CONFIG_KERNEL_START
+		cmpu	r5, r3, r5
+		bgti	r5, ex3
 		/* First, check if it was a zone fault (which means a user
 		 * tried to access a kernel or read-protected page - always
 		 * a SEGV). All other faults here must be stores, so no
 		 * need to check ESR_S as well. */
-		mfs	r4, resr
-		nop
 		andi	r4, r4, 0x800		/* ESR_Z - zone protection */
 		bnei	r4, ex2
 
@@ -589,8 +586,6 @@ ex_handler_done:
 		 * tried to access a kernel or read-protected page - always
 		 * a SEGV). All other faults here must be stores, so no
 		 * need to check ESR_S as well. */
-		mfs	r4, resr
-		nop
 		andi	r4, r4, 0x800		/* ESR_Z */
 		bnei	r4, ex2
 		/* get current task address */
@@ -665,8 +660,6 @@ ex_handler_done:
 		 * R3 = ESR
 		 */
 
-		mfs	r3, rear		/* Get faulting address */
-		nop
 		RESTORE_STATE;
 		bri	page_fault_instr_trap
 
@@ -677,18 +670,15 @@ ex_handler_done:
 	 */
 	handle_data_tlb_miss_exception:
 		/* Working registers already saved: R3, R4, R5, R6
-		 * R3 = ESR
+		 * R3 = EAR, R4 = ESR
 		 */
 		mfs	r11, rpid
 		nop
-		bri	4
-		mfs	r3, rear		/* Get faulting address */
-		nop
 
 		/* If we are faulting a kernel address, we have to use the
 		 * kernel page tables. */
-		ori	r4, r0, CONFIG_KERNEL_START
-		cmpu	r4, r3, r4
+		ori	r6, r0, CONFIG_KERNEL_START
+		cmpu	r4, r3, r6
 		bgti	r4, ex5
 		ori	r4, r0, swapper_pg_dir
 		mts	rpid, r0		/* TLB will have 0 TID */
@@ -731,9 +721,8 @@ ex_handler_done:
 		 * Many of these bits are software only. Bits we don't set
 		 * here we (properly should) assume have the appropriate value.
 		 */
+		brid	finish_tlb_load
 		andni	r4, r4, 0x0ce2		/* Make sure 20, 21 are zero */
-
-		bri	finish_tlb_load
 	ex7:
 		/* The bailout. Restore registers to pre-exception conditions
 		 * and call the heavyweights to help us out.
@@ -754,9 +743,6 @@ ex_handler_done:
 		 */
 		mfs	r11, rpid
 		nop
-		bri	4
-		mfs	r3, rear		/* Get faulting address */
-		nop
 
 		/* If we are faulting a kernel address, we have to use the
 		 * kernel page tables.
@@ -792,7 +778,7 @@ ex_handler_done:
 		lwi	r4, r5, 0		/* Get Linux PTE */
 
 		andi	r6, r4, _PAGE_PRESENT
-		beqi	r6, ex7
+		beqi	r6, ex10
 
 		ori	r4, r4, _PAGE_ACCESSED
 		swi	r4, r5, 0
@@ -805,9 +791,8 @@ ex_handler_done:
 		 * Many of these bits are software only. Bits we don't set
 		 * here we (properly should) assume have the appropriate value.
 		 */
+		brid	finish_tlb_load
 		andni	r4, r4, 0x0ce2		/* Make sure 20, 21 are zero */
-
-		bri	finish_tlb_load
 	ex10:
 		/* The bailout. Restore registers to pre-exception conditions
 		 * and call the heavyweights to help us out.
@@ -837,9 +822,9 @@ ex_handler_done:
 		andi	r5, r5, (MICROBLAZE_TLB_SIZE-1)
 		ori	r6, r0, 1
 		cmp	r31, r5, r6
-		blti	r31, sem
+		blti	r31, ex12
 		addik	r5, r6, 1
-	sem:
+	ex12:
 		/* MS: save back current TLB index */
 		swi	r5, r0, TOPHYS(tlb_index)
 
@@ -859,7 +844,6 @@ ex_handler_done:
 		nop
 
 		/* Done...restore registers and get out of here. */
-	ex12:
 		mts	rpid, r11
 		nop
 		bri 4
diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c
index 0f06034d1fe0..6f39e2c001f3 100644
--- a/arch/microblaze/kernel/irq.c
+++ b/arch/microblaze/kernel/irq.c
@@ -93,3 +93,18 @@ skip:
 	}
 	return 0;
 }
+
+/* MS: There is no any advance mapping mechanism. We are using simple 32bit
+  intc without any cascades or any connection that's why mapping is 1:1 */
+unsigned int irq_create_mapping(struct irq_host *host, irq_hw_number_t hwirq)
+{
+	return hwirq;
+}
+EXPORT_SYMBOL_GPL(irq_create_mapping);
+
+unsigned int irq_create_of_mapping(struct device_node *controller,
+					u32 *intspec, unsigned int intsize)
+{
+	return intspec[0];
+}
+EXPORT_SYMBOL_GPL(irq_create_of_mapping);
diff --git a/arch/microblaze/kernel/misc.S b/arch/microblaze/kernel/misc.S
index df16c6287a8e..7cf86498326c 100644
--- a/arch/microblaze/kernel/misc.S
+++ b/arch/microblaze/kernel/misc.S
@@ -26,9 +26,10 @@
  * We avoid flushing the pinned 0, 1 and possibly 2 entries.
  */
 .globl _tlbia;
+.type  _tlbia, @function
 .align 4;
 _tlbia:
-	addik	r12, r0, 63 /* flush all entries (63 - 3) */
+	addik	r12, r0, MICROBLAZE_TLB_SIZE - 1 /* flush all entries (63 - 3) */
 	/* isync */
 _tlbia_1:
 	mts	rtlbx, r12
@@ -41,11 +42,13 @@ _tlbia_1:
 	/* sync */
 	rtsd	r15, 8
 	nop
+	.size  _tlbia, . - _tlbia
 
 /*
  * Flush MMU TLB for a particular address (in r5)
  */
 .globl _tlbie;
+.type  _tlbie, @function
 .align 4;
 _tlbie:
 	mts	rtlbsx, r5 /* look up the address in TLB */
@@ -59,17 +62,20 @@ _tlbie_1:
 	rtsd	r15, 8
 	nop
 
+	.size  _tlbie, . - _tlbie
+
 /*
  * Allocate TLB entry for early console
  */
 .globl early_console_reg_tlb_alloc;
+.type  early_console_reg_tlb_alloc, @function
 .align 4;
 early_console_reg_tlb_alloc:
 	/*
 	 * Load a TLB entry for the UART, so that microblaze_progress() can use
 	 * the UARTs nice and early.  We use a 4k real==virtual mapping.
 	 */
-	ori	r4, r0, 63
+	ori	r4, r0, MICROBLAZE_TLB_SIZE - 1
 	mts	rtlbx, r4 /* TLB slot 2 */
 
 	or	r4,r5,r0
@@ -86,6 +92,8 @@ early_console_reg_tlb_alloc:
 	rtsd	r15, 8
 	nop
 
+	.size  early_console_reg_tlb_alloc, . - early_console_reg_tlb_alloc
+
 /*
  * Copy a whole page (4096 bytes).
  */
@@ -104,6 +112,7 @@ early_console_reg_tlb_alloc:
 #define DCACHE_LINE_BYTES (4 * 4)
 
 .globl copy_page;
+.type  copy_page, @function
 .align 4;
 copy_page:
 	ori	r11, r0, (PAGE_SIZE/DCACHE_LINE_BYTES) - 1
@@ -118,3 +127,5 @@ _copy_page_loop:
 	addik	r11, r11, -1
 	rtsd	r15, 8
 	nop
+
+	.size  copy_page, . - copy_page
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index 812f1bf06c9e..09bed44dfcd3 100644
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -15,6 +15,7 @@
 #include <linux/bitops.h>
 #include <asm/system.h>
 #include <asm/pgalloc.h>
+#include <asm/uaccess.h> /* for USER_DS macros */
 #include <asm/cacheflush.h>
 
 void show_regs(struct pt_regs *regs)
@@ -74,7 +75,10 @@ __setup("hlt", hlt_setup);
 
 void default_idle(void)
 {
-	if (!hlt_counter) {
+	if (likely(hlt_counter)) {
+		while (!need_resched())
+			cpu_relax();
+	} else {
 		clear_thread_flag(TIF_POLLING_NRFLAG);
 		smp_mb__after_clear_bit();
 		local_irq_disable();
@@ -82,9 +86,7 @@ void default_idle(void)
 			cpu_sleep();
 		local_irq_enable();
 		set_thread_flag(TIF_POLLING_NRFLAG);
-	} else
-		while (!need_resched())
-			cpu_relax();
+	}
 }
 
 void cpu_idle(void)
diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c
index 4b3ac32754de..6d6349a145f9 100644
--- a/arch/microblaze/kernel/ptrace.c
+++ b/arch/microblaze/kernel/ptrace.c
@@ -78,26 +78,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 	unsigned long copied;
 
 	switch (request) {
-	case PTRACE_PEEKTEXT: /* read word at location addr. */
-	case PTRACE_PEEKDATA:
-		pr_debug("PEEKTEXT/PEEKDATA at %08lX\n", addr);
-		copied = access_process_vm(child, addr, &val, sizeof(val), 0);
-		rval = -EIO;
-		if (copied != sizeof(val))
-			break;
-		rval = put_user(val, (unsigned long *)data);
-		break;
-
-	case PTRACE_POKETEXT: /* write the word at location addr. */
-	case PTRACE_POKEDATA:
-		pr_debug("POKETEXT/POKEDATA to %08lX\n", addr);
-		rval = 0;
-		if (access_process_vm(child, addr, &data, sizeof(data), 1)
-		    == sizeof(data))
-			break;
-		rval = -EIO;
-		break;
-
 	/* Read/write the word at location ADDR in the registers. */
 	case PTRACE_PEEKUSR:
 	case PTRACE_POKEUSR:
@@ -130,50 +110,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		if (rval == 0 && request == PTRACE_PEEKUSR)
 			rval = put_user(val, (unsigned long *)data);
 		break;
-	/* Continue and stop at next (return from) syscall */
-	case PTRACE_SYSCALL:
-		pr_debug("PTRACE_SYSCALL\n");
-	case PTRACE_SINGLESTEP:
-		pr_debug("PTRACE_SINGLESTEP\n");
-	/* Restart after a signal.  */
-	case PTRACE_CONT:
-		pr_debug("PTRACE_CONT\n");
-		rval = -EIO;
-		if (!valid_signal(data))
-			break;
-
-		if (request == PTRACE_SYSCALL)
-			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		else
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-
-		child->exit_code = data;
-		pr_debug("wakeup_process\n");
-		wake_up_process(child);
-		rval = 0;
-		break;
-
-	/*
-	 * make the child exit.  Best I can do is send it a sigkill.
-	 * perhaps it should be put in the status that it wants to
-	 * exit.
-	 */
-	case PTRACE_KILL:
-		pr_debug("PTRACE_KILL\n");
-		rval = 0;
-		if (child->exit_state == EXIT_ZOMBIE)	/* already dead */
-			break;
-		child->exit_code = SIGKILL;
-		wake_up_process(child);
-		break;
-
-	case PTRACE_DETACH: /* detach a process that was attached. */
-		pr_debug("PTRACE_DETACH\n");
-		rval = ptrace_detach(child, data);
-		break;
 	default:
-		/* rval = ptrace_request(child, request, addr, data); noMMU */
-		rval = -EIO;
+		rval = ptrace_request(child, request, addr, data);
 	}
 	return rval;
 }
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index bb8c4b9ccb80..17c98dbcec88 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -22,7 +22,10 @@
 #include <linux/io.h>
 #include <linux/bug.h>
 #include <linux/param.h>
+#include <linux/pci.h>
 #include <linux/cache.h>
+#include <linux/of_platform.h>
+#include <linux/dma-mapping.h>
 #include <asm/cacheflush.h>
 #include <asm/entry.h>
 #include <asm/cpuinfo.h>
@@ -54,14 +57,10 @@ void __init setup_arch(char **cmdline_p)
 
 	microblaze_cache_init();
 
-	invalidate_dcache();
-	enable_dcache();
-
-	invalidate_icache();
-	enable_icache();
-
 	setup_memory();
 
+	xilinx_pci_init();
+
 #if defined(CONFIG_SELFMOD_INTC) || defined(CONFIG_SELFMOD_TIMER)
 	printk(KERN_NOTICE "Self modified code enable\n");
 #endif
@@ -93,6 +92,12 @@ inline unsigned get_romfs_len(unsigned *addr)
 }
 #endif	/* CONFIG_MTD_UCLINUX_EBSS */
 
+#if defined(CONFIG_EARLY_PRINTK) && defined(CONFIG_SERIAL_UARTLITE_CONSOLE)
+#define eprintk early_printk
+#else
+#define eprintk printk
+#endif
+
 void __init machine_early_init(const char *cmdline, unsigned int ram,
 		unsigned int fdt, unsigned int msr)
 {
@@ -140,32 +145,32 @@ void __init machine_early_init(const char *cmdline, unsigned int ram,
 	setup_early_printk(NULL);
 #endif
 
-	early_printk("Ramdisk addr 0x%08x, ", ram);
+	eprintk("Ramdisk addr 0x%08x, ", ram);
 	if (fdt)
-		early_printk("FDT at 0x%08x\n", fdt);
+		eprintk("FDT at 0x%08x\n", fdt);
 	else
-		early_printk("Compiled-in FDT at 0x%08x\n",
+		eprintk("Compiled-in FDT at 0x%08x\n",
 					(unsigned int)_fdt_start);
 
 #ifdef CONFIG_MTD_UCLINUX
-	early_printk("Found romfs @ 0x%08x (0x%08x)\n",
+	eprintk("Found romfs @ 0x%08x (0x%08x)\n",
 			romfs_base, romfs_size);
-	early_printk("#### klimit %p ####\n", old_klimit);
+	eprintk("#### klimit %p ####\n", old_klimit);
 	BUG_ON(romfs_size < 0); /* What else can we do? */
 
-	early_printk("Moved 0x%08x bytes from 0x%08x to 0x%08x\n",
+	eprintk("Moved 0x%08x bytes from 0x%08x to 0x%08x\n",
 			romfs_size, romfs_base, (unsigned)&_ebss);
 
-	early_printk("New klimit: 0x%08x\n", (unsigned)klimit);
+	eprintk("New klimit: 0x%08x\n", (unsigned)klimit);
 #endif
 
 #if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
 	if (msr)
-		early_printk("!!!Your kernel has setup MSR instruction but "
+		eprintk("!!!Your kernel has setup MSR instruction but "
 				"CPU don't have it %d\n", msr);
 #else
 	if (!msr)
-		early_printk("!!!Your kernel not setup MSR instruction but "
+		eprintk("!!!Your kernel not setup MSR instruction but "
 				"CPU have it %d\n", msr);
 #endif
 
@@ -188,3 +193,37 @@ static int microblaze_debugfs_init(void)
 }
 arch_initcall(microblaze_debugfs_init);
 #endif
+
+static int dflt_bus_notify(struct notifier_block *nb,
+				unsigned long action, void *data)
+{
+	struct device *dev = data;
+
+	/* We are only intereted in device addition */
+	if (action != BUS_NOTIFY_ADD_DEVICE)
+		return 0;
+
+	set_dma_ops(dev, &dma_direct_ops);
+
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block dflt_plat_bus_notifier = {
+	.notifier_call = dflt_bus_notify,
+	.priority = INT_MAX,
+};
+
+static struct notifier_block dflt_of_bus_notifier = {
+	.notifier_call = dflt_bus_notify,
+	.priority = INT_MAX,
+};
+
+static int __init setup_bus_notifier(void)
+{
+	bus_register_notifier(&platform_bus_type, &dflt_plat_bus_notifier);
+	bus_register_notifier(&of_platform_bus_type, &dflt_of_bus_notifier);
+
+	return 0;
+}
+
+arch_initcall(setup_bus_notifier);
diff --git a/arch/microblaze/kernel/traps.c b/arch/microblaze/kernel/traps.c
index eaaaf805f31b..5e4570ef515c 100644
--- a/arch/microblaze/kernel/traps.c
+++ b/arch/microblaze/kernel/traps.c
@@ -22,13 +22,11 @@ void trap_init(void)
 	__enable_hw_exceptions();
 }
 
-static int kstack_depth_to_print = 24;
+static unsigned long kstack_depth_to_print = 24;
 
 static int __init kstack_setup(char *s)
 {
-	kstack_depth_to_print = strict_strtoul(s, 0, NULL);
-
-	return 1;
+	return !strict_strtoul(s, 0, &kstack_depth_to_print);
 }
 __setup("kstack=", kstack_setup);
 
diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile
index b579db068c06..4dfe47d3cd91 100644
--- a/arch/microblaze/lib/Makefile
+++ b/arch/microblaze/lib/Makefile
@@ -10,5 +10,4 @@ else
 lib-y += memcpy.o memmove.o
 endif
 
-lib-$(CONFIG_NO_MMU) += uaccess.o
-lib-$(CONFIG_MMU) += uaccess_old.o
+lib-y += uaccess_old.o
diff --git a/arch/microblaze/lib/fastcopy.S b/arch/microblaze/lib/fastcopy.S
index 02e3ab4eddf3..fdc48bb065d8 100644
--- a/arch/microblaze/lib/fastcopy.S
+++ b/arch/microblaze/lib/fastcopy.S
@@ -30,8 +30,9 @@
  */
 
 #include <linux/linkage.h>
-
+	.text
 	.globl	memcpy
+	.type  memcpy, @function
 	.ent	memcpy
 
 memcpy:
@@ -345,9 +346,11 @@ a_done:
 	rtsd	r15, 8
 	nop
 
+.size  memcpy, . - memcpy
 .end memcpy
 /*----------------------------------------------------------------------------*/
 	.globl	memmove
+	.type  memmove, @function
 	.ent	memmove
 
 memmove:
@@ -659,4 +662,5 @@ d_done:
 	rtsd	r15, 8
 	nop
 
+.size  memmove, . - memmove
 .end memmove
diff --git a/arch/microblaze/lib/memcpy.c b/arch/microblaze/lib/memcpy.c
index cc2108b6b260..014bac92bdff 100644
--- a/arch/microblaze/lib/memcpy.c
+++ b/arch/microblaze/lib/memcpy.c
@@ -53,7 +53,7 @@ void *memcpy(void *v_dst, const void *v_src, __kernel_size_t c)
 	const uint32_t *i_src;
 	uint32_t *i_dst;
 
-	if (c >= 4) {
+	if (likely(c >= 4)) {
 		unsigned  value, buf_hold;
 
 		/* Align the dstination to a word boundry. */
diff --git a/arch/microblaze/lib/memset.c b/arch/microblaze/lib/memset.c
index 4df851d41a29..ecfb663e1fc1 100644
--- a/arch/microblaze/lib/memset.c
+++ b/arch/microblaze/lib/memset.c
@@ -33,22 +33,23 @@
 #ifdef __HAVE_ARCH_MEMSET
 void *memset(void *v_src, int c, __kernel_size_t n)
 {
-
 	char *src = v_src;
 #ifdef CONFIG_OPT_LIB_FUNCTION
 	uint32_t *i_src;
-	uint32_t w32;
+	uint32_t w32 = 0;
 #endif
 	/* Truncate c to 8 bits */
 	c = (c & 0xFF);
 
 #ifdef CONFIG_OPT_LIB_FUNCTION
-	/* Make a repeating word out of it */
-	w32 = c;
-	w32 |= w32 << 8;
-	w32 |= w32 << 16;
+	if (unlikely(c)) {
+		/* Make a repeating word out of it */
+		w32 = c;
+		w32 |= w32 << 8;
+		w32 |= w32 << 16;
+	}
 
-	if (n >= 4) {
+	if (likely(n >= 4)) {
 		/* Align the destination to a word boundary */
 		/* This is done in an endian independant manner */
 		switch ((unsigned) src & 3) {
diff --git a/arch/microblaze/lib/uaccess.c b/arch/microblaze/lib/uaccess.c
deleted file mode 100644
index a853fe089c44..000000000000
--- a/arch/microblaze/lib/uaccess.c
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (C) 2006 Atmark Techno, Inc.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-
-#include <linux/string.h>
-#include <asm/uaccess.h>
-
-#include <asm/bug.h>
-
-long strnlen_user(const char __user *src, long count)
-{
-	return strlen(src) + 1;
-}
-
-#define __do_strncpy_from_user(dst, src, count, res)			\
-	do {								\
-		char *tmp;						\
-		strncpy(dst, src, count);				\
-		for (tmp = dst; *tmp && count > 0; tmp++, count--)	\
-			;						\
-		res = (tmp - dst);					\
-	} while (0)
-
-long __strncpy_from_user(char *dst, const char __user *src, long count)
-{
-	long res;
-	__do_strncpy_from_user(dst, src, count, res);
-	return res;
-}
-
-long strncpy_from_user(char *dst, const char __user *src, long count)
-{
-	long res = -EFAULT;
-	if (access_ok(VERIFY_READ, src, 1))
-		__do_strncpy_from_user(dst, src, count, res);
-	return res;
-}
-
-unsigned long __copy_tofrom_user(void __user *to,
-		const void __user *from, unsigned long size)
-{
-	memcpy(to, from, size);
-	return 0;
-}
diff --git a/arch/microblaze/lib/uaccess_old.S b/arch/microblaze/lib/uaccess_old.S
index 67f991c14b8a..5810cec54a7a 100644
--- a/arch/microblaze/lib/uaccess_old.S
+++ b/arch/microblaze/lib/uaccess_old.S
@@ -22,6 +22,7 @@
 
 	.text
 .globl __strncpy_user;
+.type  __strncpy_user, @function
 .align 4;
 __strncpy_user:
 
@@ -50,7 +51,7 @@ __strncpy_user:
 3:
 	rtsd	r15,8
 	nop
-
+	.size   __strncpy_user, . - __strncpy_user
 
 	.section	.fixup, "ax"
 	.align	2
@@ -72,6 +73,7 @@ __strncpy_user:
 
 	.text
 .globl __strnlen_user;
+.type  __strnlen_user, @function
 .align 4;
 __strnlen_user:
 	addik	r3,r6,0
@@ -90,7 +92,7 @@ __strnlen_user:
 3:
 	rtsd	r15,8
 	nop
-
+	.size   __strnlen_user, . - __strnlen_user
 
 	.section	.fixup,"ax"
 4:
@@ -108,6 +110,7 @@ __strnlen_user:
  */
 	.text
 .globl __copy_tofrom_user;
+.type  __copy_tofrom_user, @function
 .align 4;
 __copy_tofrom_user:
 	/*
@@ -116,20 +119,34 @@ __copy_tofrom_user:
 	 * r7, r3 - count
 	 * r4 - tempval
 	 */
-	addik	r3,r7,0
-	beqi	r3,3f
-1:
-	lbu	r4,r6,r0
-	addik	r6,r6,1
-2:
-	sb	r4,r5,r0
-	addik	r3,r3,-1
-	bneid	r3,1b
-	addik	r5,r5,1		/* delay slot */
+	beqid	r7, 3f /* zero size is not likely */
+	andi	r3, r7, 0x3 /* filter add count */
+	bneid	r3, 4f /* if is odd value then byte copying */
+	or	r3, r5, r6 /* find if is any to/from unaligned */
+	andi	r3, r3, 0x3 /* mask unaligned */
+	bneid	r3, 1f /* it is unaligned -> then jump */
+	or	r3, r0, r0
+
+/* at least one 4 byte copy */
+5:	lw	r4, r6, r3
+6:	sw	r4, r5, r3
+	addik	r7, r7, -4
+	bneid	r7, 5b
+	addik	r3, r3, 4
+	addik	r3, r7, 0
+	rtsd	r15, 8
+	nop
+4:	or	r3, r0, r0
+1:	lbu	r4,r6,r3
+2:	sb	r4,r5,r3
+	addik	r7,r7,-1
+	bneid	r7,1b
+	addik	r3,r3,1		/* delay slot */
 3:
+	addik	r3,r7,0
 	rtsd	r15,8
 	nop
-
+	.size   __copy_tofrom_user, . - __copy_tofrom_user
 
 	.section	__ex_table,"a"
-	.word	1b,3b,2b,3b
+	.word	1b,3b,2b,3b,5b,3b,6b,3b
diff --git a/arch/microblaze/mm/Makefile b/arch/microblaze/mm/Makefile
index 6c8a924d9e26..09c49ed87235 100644
--- a/arch/microblaze/mm/Makefile
+++ b/arch/microblaze/mm/Makefile
@@ -2,6 +2,6 @@
 # Makefile
 #
 
-obj-y := init.o
+obj-y := consistent.o init.o
 
 obj-$(CONFIG_MMU) += pgtable.o mmu_context.o fault.o
diff --git a/arch/microblaze/mm/consistent.c b/arch/microblaze/mm/consistent.c
new file mode 100644
index 000000000000..a9b443e3fb98
--- /dev/null
+++ b/arch/microblaze/mm/consistent.c
@@ -0,0 +1,246 @@
+/*
+ * Microblaze support for cache consistent memory.
+ * Copyright (C) 2010 Michal Simek <monstr@monstr.eu>
+ * Copyright (C) 2010 PetaLogix
+ * Copyright (C) 2005 John Williams <jwilliams@itee.uq.edu.au>
+ *
+ * Based on PowerPC version derived from arch/arm/mm/consistent.c
+ * Copyright (C) 2001 Dan Malek (dmalek@jlc.net)
+ * Copyright (C) 2000 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/signal.h>
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/ptrace.h>
+#include <linux/mman.h>
+#include <linux/mm.h>
+#include <linux/swap.h>
+#include <linux/stddef.h>
+#include <linux/vmalloc.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/bootmem.h>
+#include <linux/highmem.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+
+#include <asm/pgalloc.h>
+#include <linux/io.h>
+#include <linux/hardirq.h>
+#include <asm/mmu_context.h>
+#include <asm/mmu.h>
+#include <linux/uaccess.h>
+#include <asm/pgtable.h>
+#include <asm/cpuinfo.h>
+
+#ifndef CONFIG_MMU
+
+/* I have to use dcache values because I can't relate on ram size */
+#define UNCACHED_SHADOW_MASK (cpuinfo.dcache_high - cpuinfo.dcache_base + 1)
+
+/*
+ * Consistent memory allocators. Used for DMA devices that want to
+ * share uncached memory with the processor core.
+ * My crufty no-MMU approach is simple. In the HW platform we can optionally
+ * mirror the DDR up above the processor cacheable region.  So, memory accessed
+ * in this mirror region will not be cached.  It's alloced from the same
+ * pool as normal memory, but the handle we return is shifted up into the
+ * uncached region.  This will no doubt cause big problems if memory allocated
+ * here is not also freed properly. -- JW
+ */
+void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle)
+{
+	struct page *page, *end, *free;
+	unsigned long order;
+	void *ret, *virt;
+
+	if (in_interrupt())
+		BUG();
+
+	size = PAGE_ALIGN(size);
+	order = get_order(size);
+
+	page = alloc_pages(gfp, order);
+	if (!page)
+		goto no_page;
+
+	/* We could do with a page_to_phys and page_to_bus here. */
+	virt = page_address(page);
+	ret = ioremap(virt_to_phys(virt), size);
+	if (!ret)
+		goto no_remap;
+
+	/*
+	 * Here's the magic!  Note if the uncached shadow is not implemented,
+	 * it's up to the calling code to also test that condition and make
+	 * other arranegments, such as manually flushing the cache and so on.
+	 */
+#ifdef CONFIG_XILINX_UNCACHED_SHADOW
+	ret = (void *)((unsigned) ret | UNCACHED_SHADOW_MASK);
+#endif
+	/* dma_handle is same as physical (shadowed) address */
+	*dma_handle = (dma_addr_t)ret;
+
+	/*
+	 * free wasted pages.  We skip the first page since we know
+	 * that it will have count = 1 and won't require freeing.
+	 * We also mark the pages in use as reserved so that
+	 * remap_page_range works.
+	 */
+	page = virt_to_page(virt);
+	free = page + (size >> PAGE_SHIFT);
+	end  = page + (1 << order);
+
+	for (; page < end; page++) {
+		init_page_count(page);
+		if (page >= free)
+			__free_page(page);
+		else
+			SetPageReserved(page);
+	}
+
+	return ret;
+no_remap:
+	__free_pages(page, order);
+no_page:
+	return NULL;
+}
+
+#else
+
+void *consistent_alloc(int gfp, size_t size, dma_addr_t *dma_handle)
+{
+	int order, err, i;
+	unsigned long page, va, flags;
+	phys_addr_t pa;
+	struct vm_struct *area;
+	void	 *ret;
+
+	if (in_interrupt())
+		BUG();
+
+	/* Only allocate page size areas. */
+	size = PAGE_ALIGN(size);
+	order = get_order(size);
+
+	page = __get_free_pages(gfp, order);
+	if (!page) {
+		BUG();
+		return NULL;
+	}
+
+	/*
+	 * we need to ensure that there are no cachelines in use,
+	 * or worse dirty in this area.
+	 */
+	flush_dcache_range(virt_to_phys(page), virt_to_phys(page) + size);
+
+	/* Allocate some common virtual space to map the new pages. */
+	area = get_vm_area(size, VM_ALLOC);
+	if (area == NULL) {
+		free_pages(page, order);
+		return NULL;
+	}
+	va = (unsigned long) area->addr;
+	ret = (void *)va;
+
+	/* This gives us the real physical address of the first page. */
+	*dma_handle = pa = virt_to_bus((void *)page);
+
+	/* MS: This is the whole magic - use cache inhibit pages */
+	flags = _PAGE_KERNEL | _PAGE_NO_CACHE;
+
+	/*
+	 * Set refcount=1 on all pages in an order>0
+	 * allocation so that vfree() will actually
+	 * free all pages that were allocated.
+	 */
+	if (order > 0) {
+		struct page *rpage = virt_to_page(page);
+		for (i = 1; i < (1 << order); i++)
+			init_page_count(rpage+i);
+	}
+
+	err = 0;
+	for (i = 0; i < size && err == 0; i += PAGE_SIZE)
+		err = map_page(va+i, pa+i, flags);
+
+	if (err) {
+		vfree((void *)va);
+		return NULL;
+	}
+
+	return ret;
+}
+#endif /* CONFIG_MMU */
+EXPORT_SYMBOL(consistent_alloc);
+
+/*
+ * free page(s) as defined by the above mapping.
+ */
+void consistent_free(void *vaddr)
+{
+	if (in_interrupt())
+		BUG();
+
+	/* Clear SHADOW_MASK bit in address, and free as per usual */
+#ifdef CONFIG_XILINX_UNCACHED_SHADOW
+	vaddr = (void *)((unsigned)vaddr & ~UNCACHED_SHADOW_MASK);
+#endif
+	vfree(vaddr);
+}
+EXPORT_SYMBOL(consistent_free);
+
+/*
+ * make an area consistent.
+ */
+void consistent_sync(void *vaddr, size_t size, int direction)
+{
+	unsigned long start;
+	unsigned long end;
+
+	start = (unsigned long)vaddr;
+
+	/* Convert start address back down to unshadowed memory region */
+#ifdef CONFIG_XILINX_UNCACHED_SHADOW
+	start &= ~UNCACHED_SHADOW_MASK;
+#endif
+	end = start + size;
+
+	switch (direction) {
+	case PCI_DMA_NONE:
+		BUG();
+	case PCI_DMA_FROMDEVICE:	/* invalidate only */
+		flush_dcache_range(start, end);
+		break;
+	case PCI_DMA_TODEVICE:		/* writeback only */
+		flush_dcache_range(start, end);
+		break;
+	case PCI_DMA_BIDIRECTIONAL:	/* writeback and invalidate */
+		flush_dcache_range(start, end);
+		break;
+	}
+}
+EXPORT_SYMBOL(consistent_sync);
+
+/*
+ * consistent_sync_page makes memory consistent. identical
+ * to consistent_sync, but takes a struct page instead of a
+ * virtual address
+ */
+void consistent_sync_page(struct page *page, unsigned long offset,
+	size_t size, int direction)
+{
+	unsigned long start = (unsigned long)page_address(page) + offset;
+	consistent_sync((void *)start, size, direction);
+}
+EXPORT_SYMBOL(consistent_sync_page);
diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c
index d9d249a66ff2..7af87f4b2c2c 100644
--- a/arch/microblaze/mm/fault.c
+++ b/arch/microblaze/mm/fault.c
@@ -106,7 +106,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long address,
 	regs->esr = error_code;
 
 	/* On a kernel SLB miss we can only check for a valid exception entry */
-	if (kernel_mode(regs) && (address >= TASK_SIZE)) {
+	if (unlikely(kernel_mode(regs) && (address >= TASK_SIZE))) {
 		printk(KERN_WARNING "kernel task_size exceed");
 		_exception(SIGSEGV, regs, code, address);
 	}
@@ -122,7 +122,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long address,
 	}
 #endif /* CONFIG_KGDB */
 
-	if (in_atomic() || !mm) {
+	if (unlikely(in_atomic() || !mm)) {
 		if (kernel_mode(regs))
 			goto bad_area_nosemaphore;
 
@@ -150,7 +150,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long address,
 	 * source.  If this is invalid we can skip the address space check,
 	 * thus avoiding the deadlock.
 	 */
-	if (!down_read_trylock(&mm->mmap_sem)) {
+	if (unlikely(!down_read_trylock(&mm->mmap_sem))) {
 		if (kernel_mode(regs) && !search_exception_tables(regs->pc))
 			goto bad_area_nosemaphore;
 
@@ -158,16 +158,16 @@ void do_page_fault(struct pt_regs *regs, unsigned long address,
 	}
 
 	vma = find_vma(mm, address);
-	if (!vma)
+	if (unlikely(!vma))
 		goto bad_area;
 
 	if (vma->vm_start <= address)
 		goto good_area;
 
-	if (!(vma->vm_flags & VM_GROWSDOWN))
+	if (unlikely(!(vma->vm_flags & VM_GROWSDOWN)))
 		goto bad_area;
 
-	if (!is_write)
+	if (unlikely(!is_write))
 		goto bad_area;
 
 	/*
@@ -179,7 +179,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long address,
 	 * before setting the user r1.  Thus we allow the stack to
 	 * expand to 1MB without further checks.
 	 */
-	if (address + 0x100000 < vma->vm_end) {
+	if (unlikely(address + 0x100000 < vma->vm_end)) {
 
 		/* get user regs even if this fault is in kernel mode */
 		struct pt_regs *uregs = current->thread.regs;
@@ -209,15 +209,15 @@ good_area:
 	code = SEGV_ACCERR;
 
 	/* a write */
-	if (is_write) {
-		if (!(vma->vm_flags & VM_WRITE))
+	if (unlikely(is_write)) {
+		if (unlikely(!(vma->vm_flags & VM_WRITE)))
 			goto bad_area;
 	/* a read */
 	} else {
 		/* protection fault */
-		if (error_code & 0x08000000)
+		if (unlikely(error_code & 0x08000000))
 			goto bad_area;
-		if (!(vma->vm_flags & (VM_READ | VM_EXEC)))
+		if (unlikely(!(vma->vm_flags & (VM_READ | VM_EXEC))))
 			goto bad_area;
 	}
 
@@ -235,7 +235,7 @@ survive:
 			goto do_sigbus;
 		BUG();
 	}
-	if (fault & VM_FAULT_MAJOR)
+	if (unlikely(fault & VM_FAULT_MAJOR))
 		current->maj_flt++;
 	else
 		current->min_flt++;
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index a57cedf36715..40bc10ede097 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -23,6 +23,9 @@
 #include <asm/sections.h>
 #include <asm/tlb.h>
 
+/* Use for MMU and noMMU because of PCI generic code */
+int mem_init_done;
+
 #ifndef CONFIG_MMU
 unsigned int __page_offset;
 EXPORT_SYMBOL(__page_offset);
@@ -30,7 +33,6 @@ EXPORT_SYMBOL(__page_offset);
 #else
 DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
 
-int mem_init_done;
 static int init_bootmem_done;
 #endif /* CONFIG_MMU */
 
@@ -163,7 +165,6 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)
 	for (addr = begin; addr < end; addr += PAGE_SIZE) {
 		ClearPageReserved(virt_to_page(addr));
 		init_page_count(virt_to_page(addr));
-		memset((void *)addr, 0xcc, PAGE_SIZE);
 		free_page(addr);
 		totalram_pages++;
 	}
@@ -193,12 +194,6 @@ void free_initmem(void)
 			(unsigned long)(&__init_end));
 }
 
-/* FIXME from arch/powerpc/mm/mem.c*/
-void show_mem(void)
-{
-	printk(KERN_NOTICE "%s\n", __func__);
-}
-
 void __init mem_init(void)
 {
 	high_memory = (void *)__va(memory_end);
@@ -208,20 +203,14 @@ void __init mem_init(void)
 	printk(KERN_INFO "Memory: %luk/%luk available\n",
 	       nr_free_pages() << (PAGE_SHIFT-10),
 	       num_physpages << (PAGE_SHIFT-10));
-#ifdef CONFIG_MMU
 	mem_init_done = 1;
-#endif
 }
 
 #ifndef CONFIG_MMU
-/* Check against bounds of physical memory */
-int ___range_ok(unsigned long addr, unsigned long size)
+int page_is_ram(unsigned long pfn)
 {
-	return ((addr < memory_start) ||
-		((addr + size) > memory_end));
+	return __range_ok(pfn, 0);
 }
-EXPORT_SYMBOL(___range_ok);
-
 #else
 int page_is_ram(unsigned long pfn)
 {
@@ -349,4 +338,27 @@ void __init *early_get_page(void)
 	}
 	return p;
 }
+
 #endif /* CONFIG_MMU */
+
+void * __init_refok alloc_maybe_bootmem(size_t size, gfp_t mask)
+{
+	if (mem_init_done)
+		return kmalloc(size, mask);
+	else
+		return alloc_bootmem(size);
+}
+
+void * __init_refok zalloc_maybe_bootmem(size_t size, gfp_t mask)
+{
+	void *p;
+
+	if (mem_init_done)
+		p = kzalloc(size, mask);
+	else {
+		p = alloc_bootmem(size);
+		if (p)
+			memset(p, 0, size);
+	}
+	return p;
+}
diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c
index 2820081b21ab..d31312cde6ea 100644
--- a/arch/microblaze/mm/pgtable.c
+++ b/arch/microblaze/mm/pgtable.c
@@ -103,7 +103,7 @@ static void __iomem *__ioremap(phys_addr_t addr, unsigned long size,
 		area = get_vm_area(size, VM_IOREMAP);
 		if (area == NULL)
 			return NULL;
-		v = VMALLOC_VMADDR(area->addr);
+		v = (unsigned long) area->addr;
 	} else {
 		v = (ioremap_bot -= size);
 	}
@@ -154,7 +154,7 @@ int map_page(unsigned long va, phys_addr_t pa, int flags)
 		err = 0;
 		set_pte_at(&init_mm, va, pg, pfn_pte(pa >> PAGE_SHIFT,
 				__pgprot(flags)));
-		if (mem_init_done)
+		if (unlikely(mem_init_done))
 			flush_HPTE(0, va, pmd_val(*pd));
 			/* flush_HPTE(0, va, pg); */
 	}
diff --git a/arch/microblaze/pci/Makefile b/arch/microblaze/pci/Makefile
new file mode 100644
index 000000000000..9889cc2e1294
--- /dev/null
+++ b/arch/microblaze/pci/Makefile
@@ -0,0 +1,6 @@
+#
+# Makefile
+#
+
+obj-$(CONFIG_PCI)		+= pci_32.o pci-common.o indirect_pci.o iomap.o
+obj-$(CONFIG_PCI_XILINX)	+= xilinx_pci.o
diff --git a/arch/microblaze/pci/indirect_pci.c b/arch/microblaze/pci/indirect_pci.c
new file mode 100644
index 000000000000..25f18f017f21
--- /dev/null
+++ b/arch/microblaze/pci/indirect_pci.c
@@ -0,0 +1,163 @@
+/*
+ * Support for indirect PCI bridges.
+ *
+ * Copyright (C) 1998 Gabriel Paubert.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/init.h>
+
+#include <asm/io.h>
+#include <asm/prom.h>
+#include <asm/pci-bridge.h>
+
+static int
+indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
+		     int len, u32 *val)
+{
+	struct pci_controller *hose = pci_bus_to_host(bus);
+	volatile void __iomem *cfg_data;
+	u8 cfg_type = 0;
+	u32 bus_no, reg;
+
+	if (hose->indirect_type & INDIRECT_TYPE_NO_PCIE_LINK) {
+		if (bus->number != hose->first_busno)
+			return PCIBIOS_DEVICE_NOT_FOUND;
+		if (devfn != 0)
+			return PCIBIOS_DEVICE_NOT_FOUND;
+	}
+
+	if (hose->indirect_type & INDIRECT_TYPE_SET_CFG_TYPE)
+		if (bus->number != hose->first_busno)
+			cfg_type = 1;
+
+	bus_no = (bus->number == hose->first_busno) ?
+			hose->self_busno : bus->number;
+
+	if (hose->indirect_type & INDIRECT_TYPE_EXT_REG)
+		reg = ((offset & 0xf00) << 16) | (offset & 0xfc);
+	else
+		reg = offset & 0xfc; /* Only 3 bits for function */
+
+	if (hose->indirect_type & INDIRECT_TYPE_BIG_ENDIAN)
+		out_be32(hose->cfg_addr, (0x80000000 | (bus_no << 16) |
+			 (devfn << 8) | reg | cfg_type));
+	else
+		out_le32(hose->cfg_addr, (0x80000000 | (bus_no << 16) |
+			 (devfn << 8) | reg | cfg_type));
+
+	/*
+	 * Note: the caller has already checked that offset is
+	 * suitably aligned and that len is 1, 2 or 4.
+	 */
+	cfg_data = hose->cfg_data + (offset & 3); /* Only 3 bits for function */
+	switch (len) {
+	case 1:
+		*val = in_8(cfg_data);
+		break;
+	case 2:
+		*val = in_le16(cfg_data);
+		break;
+	default:
+		*val = in_le32(cfg_data);
+		break;
+	}
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static int
+indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset,
+		      int len, u32 val)
+{
+	struct pci_controller *hose = pci_bus_to_host(bus);
+	volatile void __iomem *cfg_data;
+	u8 cfg_type = 0;
+	u32 bus_no, reg;
+
+	if (hose->indirect_type & INDIRECT_TYPE_NO_PCIE_LINK) {
+		if (bus->number != hose->first_busno)
+			return PCIBIOS_DEVICE_NOT_FOUND;
+		if (devfn != 0)
+			return PCIBIOS_DEVICE_NOT_FOUND;
+	}
+
+	if (hose->indirect_type & INDIRECT_TYPE_SET_CFG_TYPE)
+		if (bus->number != hose->first_busno)
+			cfg_type = 1;
+
+	bus_no = (bus->number == hose->first_busno) ?
+			hose->self_busno : bus->number;
+
+	if (hose->indirect_type & INDIRECT_TYPE_EXT_REG)
+		reg = ((offset & 0xf00) << 16) | (offset & 0xfc);
+	else
+		reg = offset & 0xfc;
+
+	if (hose->indirect_type & INDIRECT_TYPE_BIG_ENDIAN)
+		out_be32(hose->cfg_addr, (0x80000000 | (bus_no << 16) |
+			 (devfn << 8) | reg | cfg_type));
+	else
+		out_le32(hose->cfg_addr, (0x80000000 | (bus_no << 16) |
+			 (devfn << 8) | reg | cfg_type));
+
+	/* surpress setting of PCI_PRIMARY_BUS */
+	if (hose->indirect_type & INDIRECT_TYPE_SURPRESS_PRIMARY_BUS)
+		if ((offset == PCI_PRIMARY_BUS) &&
+			(bus->number == hose->first_busno))
+			val &= 0xffffff00;
+
+	/* Workaround for PCI_28 Errata in 440EPx/GRx */
+	if ((hose->indirect_type & INDIRECT_TYPE_BROKEN_MRM) &&
+			offset == PCI_CACHE_LINE_SIZE) {
+		val = 0;
+	}
+
+	/*
+	 * Note: the caller has already checked that offset is
+	 * suitably aligned and that len is 1, 2 or 4.
+	 */
+	cfg_data = hose->cfg_data + (offset & 3);
+	switch (len) {
+	case 1:
+		out_8(cfg_data, val);
+		break;
+	case 2:
+		out_le16(cfg_data, val);
+		break;
+	default:
+		out_le32(cfg_data, val);
+		break;
+	}
+
+	return PCIBIOS_SUCCESSFUL;
+}
+
+static struct pci_ops indirect_pci_ops = {
+	.read = indirect_read_config,
+	.write = indirect_write_config,
+};
+
+void __init
+setup_indirect_pci(struct pci_controller *hose,
+		   resource_size_t cfg_addr,
+		   resource_size_t cfg_data, u32 flags)
+{
+	resource_size_t base = cfg_addr & PAGE_MASK;
+	void __iomem *mbase;
+
+	mbase = ioremap(base, PAGE_SIZE);
+	hose->cfg_addr = mbase + (cfg_addr & ~PAGE_MASK);
+	if ((cfg_data & PAGE_MASK) != base)
+		mbase = ioremap(cfg_data & PAGE_MASK, PAGE_SIZE);
+	hose->cfg_data = mbase + (cfg_data & ~PAGE_MASK);
+	hose->ops = &indirect_pci_ops;
+	hose->indirect_type = flags;
+}
diff --git a/arch/microblaze/pci/iomap.c b/arch/microblaze/pci/iomap.c
new file mode 100644
index 000000000000..3fbf16f4e16c
--- /dev/null
+++ b/arch/microblaze/pci/iomap.c
@@ -0,0 +1,39 @@
+/*
+ * ppc64 "iomap" interface implementation.
+ *
+ * (C) Copyright 2004 Linus Torvalds
+ */
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/mm.h>
+#include <asm/io.h>
+#include <asm/pci-bridge.h>
+
+void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max)
+{
+	resource_size_t start = pci_resource_start(dev, bar);
+	resource_size_t len = pci_resource_len(dev, bar);
+	unsigned long flags = pci_resource_flags(dev, bar);
+
+	if (!len)
+		return NULL;
+	if (max && len > max)
+		len = max;
+	if (flags & IORESOURCE_IO)
+		return ioport_map(start, len);
+	if (flags & IORESOURCE_MEM)
+		return ioremap(start, len);
+	/* What? */
+	return NULL;
+}
+EXPORT_SYMBOL(pci_iomap);
+
+void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
+{
+	if (isa_vaddr_is_ioport(addr))
+		return;
+	if (pcibios_vaddr_is_ioport(addr))
+		return;
+	iounmap(addr);
+}
+EXPORT_SYMBOL(pci_iounmap);
diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
new file mode 100644
index 000000000000..0be34350d733
--- /dev/null
+++ b/arch/microblaze/pci/pci-common.c
@@ -0,0 +1,1642 @@
+/*
+ * Contains common pci routines for ALL ppc platform
+ * (based on pci_32.c and pci_64.c)
+ *
+ * Port for PPC64 David Engebretsen, IBM Corp.
+ * Contains common pci routines for ppc64 platform, pSeries and iSeries brands.
+ *
+ * Copyright (C) 2003 Anton Blanchard <anton@au.ibm.com>, IBM
+ *   Rework, based on alpha PCI code.
+ *
+ * Common pmac/prep/chrp pci routines. -- Cort
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <linux/mm.h>
+#include <linux/list.h>
+#include <linux/syscalls.h>
+#include <linux/irq.h>
+#include <linux/vmalloc.h>
+
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/prom.h>
+#include <asm/pci-bridge.h>
+#include <asm/byteorder.h>
+
+static DEFINE_SPINLOCK(hose_spinlock);
+LIST_HEAD(hose_list);
+
+/* XXX kill that some day ... */
+static int global_phb_number;		/* Global phb counter */
+
+/* ISA Memory physical address */
+resource_size_t isa_mem_base;
+
+/* Default PCI flags is 0 on ppc32, modified at boot on ppc64 */
+unsigned int pci_flags;
+
+static struct dma_map_ops *pci_dma_ops = &dma_direct_ops;
+
+void set_pci_dma_ops(struct dma_map_ops *dma_ops)
+{
+	pci_dma_ops = dma_ops;
+}
+
+struct dma_map_ops *get_pci_dma_ops(void)
+{
+	return pci_dma_ops;
+}
+EXPORT_SYMBOL(get_pci_dma_ops);
+
+int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
+{
+	return dma_set_mask(&dev->dev, mask);
+}
+
+int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
+{
+	int rc;
+
+	rc = dma_set_mask(&dev->dev, mask);
+	dev->dev.coherent_dma_mask = dev->dma_mask;
+
+	return rc;
+}
+
+struct pci_controller *pcibios_alloc_controller(struct device_node *dev)
+{
+	struct pci_controller *phb;
+
+	phb = zalloc_maybe_bootmem(sizeof(struct pci_controller), GFP_KERNEL);
+	if (!phb)
+		return NULL;
+	spin_lock(&hose_spinlock);
+	phb->global_number = global_phb_number++;
+	list_add_tail(&phb->list_node, &hose_list);
+	spin_unlock(&hose_spinlock);
+	phb->dn = dev;
+	phb->is_dynamic = mem_init_done;
+	return phb;
+}
+
+void pcibios_free_controller(struct pci_controller *phb)
+{
+	spin_lock(&hose_spinlock);
+	list_del(&phb->list_node);
+	spin_unlock(&hose_spinlock);
+
+	if (phb->is_dynamic)
+		kfree(phb);
+}
+
+static resource_size_t pcibios_io_size(const struct pci_controller *hose)
+{
+	return hose->io_resource.end - hose->io_resource.start + 1;
+}
+
+int pcibios_vaddr_is_ioport(void __iomem *address)
+{
+	int ret = 0;
+	struct pci_controller *hose;
+	resource_size_t size;
+
+	spin_lock(&hose_spinlock);
+	list_for_each_entry(hose, &hose_list, list_node) {
+		size = pcibios_io_size(hose);
+		if (address >= hose->io_base_virt &&
+		    address < (hose->io_base_virt + size)) {
+			ret = 1;
+			break;
+		}
+	}
+	spin_unlock(&hose_spinlock);
+	return ret;
+}
+
+unsigned long pci_address_to_pio(phys_addr_t address)
+{
+	struct pci_controller *hose;
+	resource_size_t size;
+	unsigned long ret = ~0;
+
+	spin_lock(&hose_spinlock);
+	list_for_each_entry(hose, &hose_list, list_node) {
+		size = pcibios_io_size(hose);
+		if (address >= hose->io_base_phys &&
+		    address < (hose->io_base_phys + size)) {
+			unsigned long base =
+				(unsigned long)hose->io_base_virt - _IO_BASE;
+			ret = base + (address - hose->io_base_phys);
+			break;
+		}
+	}
+	spin_unlock(&hose_spinlock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(pci_address_to_pio);
+
+/*
+ * Return the domain number for this bus.
+ */
+int pci_domain_nr(struct pci_bus *bus)
+{
+	struct pci_controller *hose = pci_bus_to_host(bus);
+
+	return hose->global_number;
+}
+EXPORT_SYMBOL(pci_domain_nr);
+
+/* This routine is meant to be used early during boot, when the
+ * PCI bus numbers have not yet been assigned, and you need to
+ * issue PCI config cycles to an OF device.
+ * It could also be used to "fix" RTAS config cycles if you want
+ * to set pci_assign_all_buses to 1 and still use RTAS for PCI
+ * config cycles.
+ */
+struct pci_controller *pci_find_hose_for_OF_device(struct device_node *node)
+{
+	while (node) {
+		struct pci_controller *hose, *tmp;
+		list_for_each_entry_safe(hose, tmp, &hose_list, list_node)
+			if (hose->dn == node)
+				return hose;
+		node = node->parent;
+	}
+	return NULL;
+}
+
+static ssize_t pci_show_devspec(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct pci_dev *pdev;
+	struct device_node *np;
+
+	pdev = to_pci_dev(dev);
+	np = pci_device_to_OF_node(pdev);
+	if (np == NULL || np->full_name == NULL)
+		return 0;
+	return sprintf(buf, "%s", np->full_name);
+}
+static DEVICE_ATTR(devspec, S_IRUGO, pci_show_devspec, NULL);
+
+/* Add sysfs properties */
+int pcibios_add_platform_entries(struct pci_dev *pdev)
+{
+	return device_create_file(&pdev->dev, &dev_attr_devspec);
+}
+
+char __devinit *pcibios_setup(char *str)
+{
+	return str;
+}
+
+/*
+ * Reads the interrupt pin to determine if interrupt is use by card.
+ * If the interrupt is used, then gets the interrupt line from the
+ * openfirmware and sets it in the pci_dev and pci_config line.
+ */
+int pci_read_irq_line(struct pci_dev *pci_dev)
+{
+	struct of_irq oirq;
+	unsigned int virq;
+
+	/* The current device-tree that iSeries generates from the HV
+	 * PCI informations doesn't contain proper interrupt routing,
+	 * and all the fallback would do is print out crap, so we
+	 * don't attempt to resolve the interrupts here at all, some
+	 * iSeries specific fixup does it.
+	 *
+	 * In the long run, we will hopefully fix the generated device-tree
+	 * instead.
+	 */
+	pr_debug("PCI: Try to map irq for %s...\n", pci_name(pci_dev));
+
+#ifdef DEBUG
+	memset(&oirq, 0xff, sizeof(oirq));
+#endif
+	/* Try to get a mapping from the device-tree */
+	if (of_irq_map_pci(pci_dev, &oirq)) {
+		u8 line, pin;
+
+		/* If that fails, lets fallback to what is in the config
+		 * space and map that through the default controller. We
+		 * also set the type to level low since that's what PCI
+		 * interrupts are. If your platform does differently, then
+		 * either provide a proper interrupt tree or don't use this
+		 * function.
+		 */
+		if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_PIN, &pin))
+			return -1;
+		if (pin == 0)
+			return -1;
+		if (pci_read_config_byte(pci_dev, PCI_INTERRUPT_LINE, &line) ||
+		    line == 0xff || line == 0) {
+			return -1;
+		}
+		pr_debug(" No map ! Using line %d (pin %d) from PCI config\n",
+			 line, pin);
+
+		virq = irq_create_mapping(NULL, line);
+		if (virq != NO_IRQ)
+			set_irq_type(virq, IRQ_TYPE_LEVEL_LOW);
+	} else {
+		pr_debug(" Got one, spec %d cells (0x%08x 0x%08x...) on %s\n",
+			 oirq.size, oirq.specifier[0], oirq.specifier[1],
+			 oirq.controller ? oirq.controller->full_name :
+			 "<default>");
+
+		virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
+					     oirq.size);
+	}
+	if (virq == NO_IRQ) {
+		pr_debug(" Failed to map !\n");
+		return -1;
+	}
+
+	pr_debug(" Mapped to linux irq %d\n", virq);
+
+	pci_dev->irq = virq;
+
+	return 0;
+}
+EXPORT_SYMBOL(pci_read_irq_line);
+
+/*
+ * Platform support for /proc/bus/pci/X/Y mmap()s,
+ * modelled on the sparc64 implementation by Dave Miller.
+ *  -- paulus.
+ */
+
+/*
+ * Adjust vm_pgoff of VMA such that it is the physical page offset
+ * corresponding to the 32-bit pci bus offset for DEV requested by the user.
+ *
+ * Basically, the user finds the base address for his device which he wishes
+ * to mmap.  They read the 32-bit value from the config space base register,
+ * add whatever PAGE_SIZE multiple offset they wish, and feed this into the
+ * offset parameter of mmap on /proc/bus/pci/XXX for that device.
+ *
+ * Returns negative error code on failure, zero on success.
+ */
+static struct resource *__pci_mmap_make_offset(struct pci_dev *dev,
+					       resource_size_t *offset,
+					       enum pci_mmap_state mmap_state)
+{
+	struct pci_controller *hose = pci_bus_to_host(dev->bus);
+	unsigned long io_offset = 0;
+	int i, res_bit;
+
+	if (hose == 0)
+		return NULL;		/* should never happen */
+
+	/* If memory, add on the PCI bridge address offset */
+	if (mmap_state == pci_mmap_mem) {
+#if 0 /* See comment in pci_resource_to_user() for why this is disabled */
+		*offset += hose->pci_mem_offset;
+#endif
+		res_bit = IORESOURCE_MEM;
+	} else {
+		io_offset = (unsigned long)hose->io_base_virt - _IO_BASE;
+		*offset += io_offset;
+		res_bit = IORESOURCE_IO;
+	}
+
+	/*
+	 * Check that the offset requested corresponds to one of the
+	 * resources of the device.
+	 */
+	for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
+		struct resource *rp = &dev->resource[i];
+		int flags = rp->flags;
+
+		/* treat ROM as memory (should be already) */
+		if (i == PCI_ROM_RESOURCE)
+			flags |= IORESOURCE_MEM;
+
+		/* Active and same type? */
+		if ((flags & res_bit) == 0)
+			continue;
+
+		/* In the range of this resource? */
+		if (*offset < (rp->start & PAGE_MASK) || *offset > rp->end)
+			continue;
+
+		/* found it! construct the final physical address */
+		if (mmap_state == pci_mmap_io)
+			*offset += hose->io_base_phys - io_offset;
+		return rp;
+	}
+
+	return NULL;
+}
+
+/*
+ * Set vm_page_prot of VMA, as appropriate for this architecture, for a pci
+ * device mapping.
+ */
+static pgprot_t __pci_mmap_set_pgprot(struct pci_dev *dev, struct resource *rp,
+				      pgprot_t protection,
+				      enum pci_mmap_state mmap_state,
+				      int write_combine)
+{
+	pgprot_t prot = protection;
+
+	/* Write combine is always 0 on non-memory space mappings. On
+	 * memory space, if the user didn't pass 1, we check for a
+	 * "prefetchable" resource. This is a bit hackish, but we use
+	 * this to workaround the inability of /sysfs to provide a write
+	 * combine bit
+	 */
+	if (mmap_state != pci_mmap_mem)
+		write_combine = 0;
+	else if (write_combine == 0) {
+		if (rp->flags & IORESOURCE_PREFETCH)
+			write_combine = 1;
+	}
+
+	return pgprot_noncached(prot);
+}
+
+/*
+ * This one is used by /dev/mem and fbdev who have no clue about the
+ * PCI device, it tries to find the PCI device first and calls the
+ * above routine
+ */
+pgprot_t pci_phys_mem_access_prot(struct file *file,
+				  unsigned long pfn,
+				  unsigned long size,
+				  pgprot_t prot)
+{
+	struct pci_dev *pdev = NULL;
+	struct resource *found = NULL;
+	resource_size_t offset = ((resource_size_t)pfn) << PAGE_SHIFT;
+	int i;
+
+	if (page_is_ram(pfn))
+		return prot;
+
+	prot = pgprot_noncached(prot);
+	for_each_pci_dev(pdev) {
+		for (i = 0; i <= PCI_ROM_RESOURCE; i++) {
+			struct resource *rp = &pdev->resource[i];
+			int flags = rp->flags;
+
+			/* Active and same type? */
+			if ((flags & IORESOURCE_MEM) == 0)
+				continue;
+			/* In the range of this resource? */
+			if (offset < (rp->start & PAGE_MASK) ||
+			    offset > rp->end)
+				continue;
+			found = rp;
+			break;
+		}
+		if (found)
+			break;
+	}
+	if (found) {
+		if (found->flags & IORESOURCE_PREFETCH)
+			prot = pgprot_noncached_wc(prot);
+		pci_dev_put(pdev);
+	}
+
+	pr_debug("PCI: Non-PCI map for %llx, prot: %lx\n",
+		 (unsigned long long)offset, pgprot_val(prot));
+
+	return prot;
+}
+
+/*
+ * Perform the actual remap of the pages for a PCI device mapping, as
+ * appropriate for this architecture.  The region in the process to map
+ * is described by vm_start and vm_end members of VMA, the base physical
+ * address is found in vm_pgoff.
+ * The pci device structure is provided so that architectures may make mapping
+ * decisions on a per-device or per-bus basis.
+ *
+ * Returns a negative error code on failure, zero on success.
+ */
+int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
+			enum pci_mmap_state mmap_state, int write_combine)
+{
+	resource_size_t offset =
+		((resource_size_t)vma->vm_pgoff) << PAGE_SHIFT;
+	struct resource *rp;
+	int ret;
+
+	rp = __pci_mmap_make_offset(dev, &offset, mmap_state);
+	if (rp == NULL)
+		return -EINVAL;
+
+	vma->vm_pgoff = offset >> PAGE_SHIFT;
+	vma->vm_page_prot = __pci_mmap_set_pgprot(dev, rp,
+						  vma->vm_page_prot,
+						  mmap_state, write_combine);
+
+	ret = remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
+			       vma->vm_end - vma->vm_start, vma->vm_page_prot);
+
+	return ret;
+}
+
+/* This provides legacy IO read access on a bus */
+int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, size_t size)
+{
+	unsigned long offset;
+	struct pci_controller *hose = pci_bus_to_host(bus);
+	struct resource *rp = &hose->io_resource;
+	void __iomem *addr;
+
+	/* Check if port can be supported by that bus. We only check
+	 * the ranges of the PHB though, not the bus itself as the rules
+	 * for forwarding legacy cycles down bridges are not our problem
+	 * here. So if the host bridge supports it, we do it.
+	 */
+	offset = (unsigned long)hose->io_base_virt - _IO_BASE;
+	offset += port;
+
+	if (!(rp->flags & IORESOURCE_IO))
+		return -ENXIO;
+	if (offset < rp->start || (offset + size) > rp->end)
+		return -ENXIO;
+	addr = hose->io_base_virt + port;
+
+	switch (size) {
+	case 1:
+		*((u8 *)val) = in_8(addr);
+		return 1;
+	case 2:
+		if (port & 1)
+			return -EINVAL;
+		*((u16 *)val) = in_le16(addr);
+		return 2;
+	case 4:
+		if (port & 3)
+			return -EINVAL;
+		*((u32 *)val) = in_le32(addr);
+		return 4;
+	}
+	return -EINVAL;
+}
+
+/* This provides legacy IO write access on a bus */
+int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val, size_t size)
+{
+	unsigned long offset;
+	struct pci_controller *hose = pci_bus_to_host(bus);
+	struct resource *rp = &hose->io_resource;
+	void __iomem *addr;
+
+	/* Check if port can be supported by that bus. We only check
+	 * the ranges of the PHB though, not the bus itself as the rules
+	 * for forwarding legacy cycles down bridges are not our problem
+	 * here. So if the host bridge supports it, we do it.
+	 */
+	offset = (unsigned long)hose->io_base_virt - _IO_BASE;
+	offset += port;
+
+	if (!(rp->flags & IORESOURCE_IO))
+		return -ENXIO;
+	if (offset < rp->start || (offset + size) > rp->end)
+		return -ENXIO;
+	addr = hose->io_base_virt + port;
+
+	/* WARNING: The generic code is idiotic. It gets passed a pointer
+	 * to what can be a 1, 2 or 4 byte quantity and always reads that
+	 * as a u32, which means that we have to correct the location of
+	 * the data read within those 32 bits for size 1 and 2
+	 */
+	switch (size) {
+	case 1:
+		out_8(addr, val >> 24);
+		return 1;
+	case 2:
+		if (port & 1)
+			return -EINVAL;
+		out_le16(addr, val >> 16);
+		return 2;
+	case 4:
+		if (port & 3)
+			return -EINVAL;
+		out_le32(addr, val);
+		return 4;
+	}
+	return -EINVAL;
+}
+
+/* This provides legacy IO or memory mmap access on a bus */
+int pci_mmap_legacy_page_range(struct pci_bus *bus,
+			       struct vm_area_struct *vma,
+			       enum pci_mmap_state mmap_state)
+{
+	struct pci_controller *hose = pci_bus_to_host(bus);
+	resource_size_t offset =
+		((resource_size_t)vma->vm_pgoff) << PAGE_SHIFT;
+	resource_size_t size = vma->vm_end - vma->vm_start;
+	struct resource *rp;
+
+	pr_debug("pci_mmap_legacy_page_range(%04x:%02x, %s @%llx..%llx)\n",
+		 pci_domain_nr(bus), bus->number,
+		 mmap_state == pci_mmap_mem ? "MEM" : "IO",
+		 (unsigned long long)offset,
+		 (unsigned long long)(offset + size - 1));
+
+	if (mmap_state == pci_mmap_mem) {
+		/* Hack alert !
+		 *
+		 * Because X is lame and can fail starting if it gets an error
+		 * trying to mmap legacy_mem (instead of just moving on without
+		 * legacy memory access) we fake it here by giving it anonymous
+		 * memory, effectively behaving just like /dev/zero
+		 */
+		if ((offset + size) > hose->isa_mem_size) {
+#ifdef CONFIG_MMU
+			printk(KERN_DEBUG
+				"Process %s (pid:%d) mapped non-existing PCI"
+				"legacy memory for 0%04x:%02x\n",
+				current->comm, current->pid, pci_domain_nr(bus),
+								bus->number);
+#endif
+			if (vma->vm_flags & VM_SHARED)
+				return shmem_zero_setup(vma);
+			return 0;
+		}
+		offset += hose->isa_mem_phys;
+	} else {
+		unsigned long io_offset = (unsigned long)hose->io_base_virt - \
+								_IO_BASE;
+		unsigned long roffset = offset + io_offset;
+		rp = &hose->io_resource;
+		if (!(rp->flags & IORESOURCE_IO))
+			return -ENXIO;
+		if (roffset < rp->start || (roffset + size) > rp->end)
+			return -ENXIO;
+		offset += hose->io_base_phys;
+	}
+	pr_debug(" -> mapping phys %llx\n", (unsigned long long)offset);
+
+	vma->vm_pgoff = offset >> PAGE_SHIFT;
+	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+	return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
+			       vma->vm_end - vma->vm_start,
+			       vma->vm_page_prot);
+}
+
+void pci_resource_to_user(const struct pci_dev *dev, int bar,
+			  const struct resource *rsrc,
+			  resource_size_t *start, resource_size_t *end)
+{
+	struct pci_controller *hose = pci_bus_to_host(dev->bus);
+	resource_size_t offset = 0;
+
+	if (hose == NULL)
+		return;
+
+	if (rsrc->flags & IORESOURCE_IO)
+		offset = (unsigned long)hose->io_base_virt - _IO_BASE;
+
+	/* We pass a fully fixed up address to userland for MMIO instead of
+	 * a BAR value because X is lame and expects to be able to use that
+	 * to pass to /dev/mem !
+	 *
+	 * That means that we'll have potentially 64 bits values where some
+	 * userland apps only expect 32 (like X itself since it thinks only
+	 * Sparc has 64 bits MMIO) but if we don't do that, we break it on
+	 * 32 bits CHRPs :-(
+	 *
+	 * Hopefully, the sysfs insterface is immune to that gunk. Once X
+	 * has been fixed (and the fix spread enough), we can re-enable the
+	 * 2 lines below and pass down a BAR value to userland. In that case
+	 * we'll also have to re-enable the matching code in
+	 * __pci_mmap_make_offset().
+	 *
+	 * BenH.
+	 */
+#if 0
+	else if (rsrc->flags & IORESOURCE_MEM)
+		offset = hose->pci_mem_offset;
+#endif
+
+	*start = rsrc->start - offset;
+	*end = rsrc->end - offset;
+}
+
+/**
+ * pci_process_bridge_OF_ranges - Parse PCI bridge resources from device tree
+ * @hose: newly allocated pci_controller to be setup
+ * @dev: device node of the host bridge
+ * @primary: set if primary bus (32 bits only, soon to be deprecated)
+ *
+ * This function will parse the "ranges" property of a PCI host bridge device
+ * node and setup the resource mapping of a pci controller based on its
+ * content.
+ *
+ * Life would be boring if it wasn't for a few issues that we have to deal
+ * with here:
+ *
+ *   - We can only cope with one IO space range and up to 3 Memory space
+ *     ranges. However, some machines (thanks Apple !) tend to split their
+ *     space into lots of small contiguous ranges. So we have to coalesce.
+ *
+ *   - We can only cope with all memory ranges having the same offset
+ *     between CPU addresses and PCI addresses. Unfortunately, some bridges
+ *     are setup for a large 1:1 mapping along with a small "window" which
+ *     maps PCI address 0 to some arbitrary high address of the CPU space in
+ *     order to give access to the ISA memory hole.
+ *     The way out of here that I've chosen for now is to always set the
+ *     offset based on the first resource found, then override it if we
+ *     have a different offset and the previous was set by an ISA hole.
+ *
+ *   - Some busses have IO space not starting at 0, which causes trouble with
+ *     the way we do our IO resource renumbering. The code somewhat deals with
+ *     it for 64 bits but I would expect problems on 32 bits.
+ *
+ *   - Some 32 bits platforms such as 4xx can have physical space larger than
+ *     32 bits so we need to use 64 bits values for the parsing
+ */
+void __devinit pci_process_bridge_OF_ranges(struct pci_controller *hose,
+					    struct device_node *dev,
+					    int primary)
+{
+	const u32 *ranges;
+	int rlen;
+	int pna = of_n_addr_cells(dev);
+	int np = pna + 5;
+	int memno = 0, isa_hole = -1;
+	u32 pci_space;
+	unsigned long long pci_addr, cpu_addr, pci_next, cpu_next, size;
+	unsigned long long isa_mb = 0;
+	struct resource *res;
+
+	printk(KERN_INFO "PCI host bridge %s %s ranges:\n",
+	       dev->full_name, primary ? "(primary)" : "");
+
+	/* Get ranges property */
+	ranges = of_get_property(dev, "ranges", &rlen);
+	if (ranges == NULL)
+		return;
+
+	/* Parse it */
+	pr_debug("Parsing ranges property...\n");
+	while ((rlen -= np * 4) >= 0) {
+		/* Read next ranges element */
+		pci_space = ranges[0];
+		pci_addr = of_read_number(ranges + 1, 2);
+		cpu_addr = of_translate_address(dev, ranges + 3);
+		size = of_read_number(ranges + pna + 3, 2);
+
+		pr_debug("pci_space: 0x%08x pci_addr:0x%016llx "
+				"cpu_addr:0x%016llx size:0x%016llx\n",
+					pci_space, pci_addr, cpu_addr, size);
+
+		ranges += np;
+
+		/* If we failed translation or got a zero-sized region
+		 * (some FW try to feed us with non sensical zero sized regions
+		 * such as power3 which look like some kind of attempt
+		 * at exposing the VGA memory hole)
+		 */
+		if (cpu_addr == OF_BAD_ADDR || size == 0)
+			continue;
+
+		/* Now consume following elements while they are contiguous */
+		for (; rlen >= np * sizeof(u32);
+		     ranges += np, rlen -= np * 4) {
+			if (ranges[0] != pci_space)
+				break;
+			pci_next = of_read_number(ranges + 1, 2);
+			cpu_next = of_translate_address(dev, ranges + 3);
+			if (pci_next != pci_addr + size ||
+			    cpu_next != cpu_addr + size)
+				break;
+			size += of_read_number(ranges + pna + 3, 2);
+		}
+
+		/* Act based on address space type */
+		res = NULL;
+		switch ((pci_space >> 24) & 0x3) {
+		case 1:		/* PCI IO space */
+			printk(KERN_INFO
+			       "  IO 0x%016llx..0x%016llx -> 0x%016llx\n",
+			       cpu_addr, cpu_addr + size - 1, pci_addr);
+
+			/* We support only one IO range */
+			if (hose->pci_io_size) {
+				printk(KERN_INFO
+				       " \\--> Skipped (too many) !\n");
+				continue;
+			}
+			/* On 32 bits, limit I/O space to 16MB */
+			if (size > 0x01000000)
+				size = 0x01000000;
+
+			/* 32 bits needs to map IOs here */
+			hose->io_base_virt = ioremap(cpu_addr, size);
+
+			/* Expect trouble if pci_addr is not 0 */
+			if (primary)
+				isa_io_base =
+					(unsigned long)hose->io_base_virt;
+			/* pci_io_size and io_base_phys always represent IO
+			 * space starting at 0 so we factor in pci_addr
+			 */
+			hose->pci_io_size = pci_addr + size;
+			hose->io_base_phys = cpu_addr - pci_addr;
+
+			/* Build resource */
+			res = &hose->io_resource;
+			res->flags = IORESOURCE_IO;
+			res->start = pci_addr;
+			break;
+		case 2:		/* PCI Memory space */
+		case 3:		/* PCI 64 bits Memory space */
+			printk(KERN_INFO
+			       " MEM 0x%016llx..0x%016llx -> 0x%016llx %s\n",
+			       cpu_addr, cpu_addr + size - 1, pci_addr,
+			       (pci_space & 0x40000000) ? "Prefetch" : "");
+
+			/* We support only 3 memory ranges */
+			if (memno >= 3) {
+				printk(KERN_INFO
+				       " \\--> Skipped (too many) !\n");
+				continue;
+			}
+			/* Handles ISA memory hole space here */
+			if (pci_addr == 0) {
+				isa_mb = cpu_addr;
+				isa_hole = memno;
+				if (primary || isa_mem_base == 0)
+					isa_mem_base = cpu_addr;
+				hose->isa_mem_phys = cpu_addr;
+				hose->isa_mem_size = size;
+			}
+
+			/* We get the PCI/Mem offset from the first range or
+			 * the, current one if the offset came from an ISA
+			 * hole. If they don't match, bugger.
+			 */
+			if (memno == 0 ||
+			    (isa_hole >= 0 && pci_addr != 0 &&
+			     hose->pci_mem_offset == isa_mb))
+				hose->pci_mem_offset = cpu_addr - pci_addr;
+			else if (pci_addr != 0 &&
+				 hose->pci_mem_offset != cpu_addr - pci_addr) {
+				printk(KERN_INFO
+				       " \\--> Skipped (offset mismatch) !\n");
+				continue;
+			}
+
+			/* Build resource */
+			res = &hose->mem_resources[memno++];
+			res->flags = IORESOURCE_MEM;
+			if (pci_space & 0x40000000)
+				res->flags |= IORESOURCE_PREFETCH;
+			res->start = cpu_addr;
+			break;
+		}
+		if (res != NULL) {
+			res->name = dev->full_name;
+			res->end = res->start + size - 1;
+			res->parent = NULL;
+			res->sibling = NULL;
+			res->child = NULL;
+		}
+	}
+
+	/* If there's an ISA hole and the pci_mem_offset is -not- matching
+	 * the ISA hole offset, then we need to remove the ISA hole from
+	 * the resource list for that brige
+	 */
+	if (isa_hole >= 0 && hose->pci_mem_offset != isa_mb) {
+		unsigned int next = isa_hole + 1;
+		printk(KERN_INFO " Removing ISA hole at 0x%016llx\n", isa_mb);
+		if (next < memno)
+			memmove(&hose->mem_resources[isa_hole],
+				&hose->mem_resources[next],
+				sizeof(struct resource) * (memno - next));
+		hose->mem_resources[--memno].flags = 0;
+	}
+}
+
+/* Decide whether to display the domain number in /proc */
+int pci_proc_domain(struct pci_bus *bus)
+{
+	struct pci_controller *hose = pci_bus_to_host(bus);
+
+	if (!(pci_flags & PCI_ENABLE_PROC_DOMAINS))
+		return 0;
+	if (pci_flags & PCI_COMPAT_DOMAIN_0)
+		return hose->global_number != 0;
+	return 1;
+}
+
+void pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
+			     struct resource *res)
+{
+	resource_size_t offset = 0, mask = (resource_size_t)-1;
+	struct pci_controller *hose = pci_bus_to_host(dev->bus);
+
+	if (!hose)
+		return;
+	if (res->flags & IORESOURCE_IO) {
+		offset = (unsigned long)hose->io_base_virt - _IO_BASE;
+		mask = 0xffffffffu;
+	} else if (res->flags & IORESOURCE_MEM)
+		offset = hose->pci_mem_offset;
+
+	region->start = (res->start - offset) & mask;
+	region->end = (res->end - offset) & mask;
+}
+EXPORT_SYMBOL(pcibios_resource_to_bus);
+
+void pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
+			     struct pci_bus_region *region)
+{
+	resource_size_t offset = 0, mask = (resource_size_t)-1;
+	struct pci_controller *hose = pci_bus_to_host(dev->bus);
+
+	if (!hose)
+		return;
+	if (res->flags & IORESOURCE_IO) {
+		offset = (unsigned long)hose->io_base_virt - _IO_BASE;
+		mask = 0xffffffffu;
+	} else if (res->flags & IORESOURCE_MEM)
+		offset = hose->pci_mem_offset;
+	res->start = (region->start + offset) & mask;
+	res->end = (region->end + offset) & mask;
+}
+EXPORT_SYMBOL(pcibios_bus_to_resource);
+
+/* Fixup a bus resource into a linux resource */
+static void __devinit fixup_resource(struct resource *res, struct pci_dev *dev)
+{
+	struct pci_controller *hose = pci_bus_to_host(dev->bus);
+	resource_size_t offset = 0, mask = (resource_size_t)-1;
+
+	if (res->flags & IORESOURCE_IO) {
+		offset = (unsigned long)hose->io_base_virt - _IO_BASE;
+		mask = 0xffffffffu;
+	} else if (res->flags & IORESOURCE_MEM)
+		offset = hose->pci_mem_offset;
+
+	res->start = (res->start + offset) & mask;
+	res->end = (res->end + offset) & mask;
+}
+
+/* This header fixup will do the resource fixup for all devices as they are
+ * probed, but not for bridge ranges
+ */
+static void __devinit pcibios_fixup_resources(struct pci_dev *dev)
+{
+	struct pci_controller *hose = pci_bus_to_host(dev->bus);
+	int i;
+
+	if (!hose) {
+		printk(KERN_ERR "No host bridge for PCI dev %s !\n",
+		       pci_name(dev));
+		return;
+	}
+	for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
+		struct resource *res = dev->resource + i;
+		if (!res->flags)
+			continue;
+		/* On platforms that have PCI_PROBE_ONLY set, we don't
+		 * consider 0 as an unassigned BAR value. It's technically
+		 * a valid value, but linux doesn't like it... so when we can
+		 * re-assign things, we do so, but if we can't, we keep it
+		 * around and hope for the best...
+		 */
+		if (res->start == 0 && !(pci_flags & PCI_PROBE_ONLY)) {
+			pr_debug("PCI:%s Resource %d %016llx-%016llx [%x]" \
+							"is unassigned\n",
+				 pci_name(dev), i,
+				 (unsigned long long)res->start,
+				 (unsigned long long)res->end,
+				 (unsigned int)res->flags);
+			res->end -= res->start;
+			res->start = 0;
+			res->flags |= IORESOURCE_UNSET;
+			continue;
+		}
+
+		pr_debug("PCI:%s Resource %d %016llx-%016llx [%x] fixup...\n",
+			 pci_name(dev), i,
+			 (unsigned long long)res->start,\
+			 (unsigned long long)res->end,
+			 (unsigned int)res->flags);
+
+		fixup_resource(res, dev);
+
+		pr_debug("PCI:%s            %016llx-%016llx\n",
+			 pci_name(dev),
+			 (unsigned long long)res->start,
+			 (unsigned long long)res->end);
+	}
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pcibios_fixup_resources);
+
+/* This function tries to figure out if a bridge resource has been initialized
+ * by the firmware or not. It doesn't have to be absolutely bullet proof, but
+ * things go more smoothly when it gets it right. It should covers cases such
+ * as Apple "closed" bridge resources and bare-metal pSeries unassigned bridges
+ */
+static int __devinit pcibios_uninitialized_bridge_resource(struct pci_bus *bus,
+							   struct resource *res)
+{
+	struct pci_controller *hose = pci_bus_to_host(bus);
+	struct pci_dev *dev = bus->self;
+	resource_size_t offset;
+	u16 command;
+	int i;
+
+	/* We don't do anything if PCI_PROBE_ONLY is set */
+	if (pci_flags & PCI_PROBE_ONLY)
+		return 0;
+
+	/* Job is a bit different between memory and IO */
+	if (res->flags & IORESOURCE_MEM) {
+		/* If the BAR is non-0 (res != pci_mem_offset) then it's
+		 * probably been initialized by somebody
+		 */
+		if (res->start != hose->pci_mem_offset)
+			return 0;
+
+		/* The BAR is 0, let's check if memory decoding is enabled on
+		 * the bridge. If not, we consider it unassigned
+		 */
+		pci_read_config_word(dev, PCI_COMMAND, &command);
+		if ((command & PCI_COMMAND_MEMORY) == 0)
+			return 1;
+
+		/* Memory decoding is enabled and the BAR is 0. If any of
+		 * the bridge resources covers that starting address (0 then
+		 * it's good enough for us for memory
+		 */
+		for (i = 0; i < 3; i++) {
+			if ((hose->mem_resources[i].flags & IORESOURCE_MEM) &&
+			   hose->mem_resources[i].start == hose->pci_mem_offset)
+				return 0;
+		}
+
+		/* Well, it starts at 0 and we know it will collide so we may as
+		 * well consider it as unassigned. That covers the Apple case.
+		 */
+		return 1;
+	} else {
+		/* If the BAR is non-0, then we consider it assigned */
+		offset = (unsigned long)hose->io_base_virt - _IO_BASE;
+		if (((res->start - offset) & 0xfffffffful) != 0)
+			return 0;
+
+		/* Here, we are a bit different than memory as typically IO
+		 * space starting at low addresses -is- valid. What we do
+		 * instead if that we consider as unassigned anything that
+		 * doesn't have IO enabled in the PCI command register,
+		 * and that's it.
+		 */
+		pci_read_config_word(dev, PCI_COMMAND, &command);
+		if (command & PCI_COMMAND_IO)
+			return 0;
+
+		/* It's starting at 0 and IO is disabled in the bridge, consider
+		 * it unassigned
+		 */
+		return 1;
+	}
+}
+
+/* Fixup resources of a PCI<->PCI bridge */
+static void __devinit pcibios_fixup_bridge(struct pci_bus *bus)
+{
+	struct resource *res;
+	int i;
+
+	struct pci_dev *dev = bus->self;
+
+	for (i = 0; i < PCI_BUS_NUM_RESOURCES; ++i) {
+		res = bus->resource[i];
+		if (!res)
+			continue;
+		if (!res->flags)
+			continue;
+		if (i >= 3 && bus->self->transparent)
+			continue;
+
+		pr_debug("PCI:%s Bus rsrc %d %016llx-%016llx [%x] fixup...\n",
+			 pci_name(dev), i,
+			 (unsigned long long)res->start,\
+			 (unsigned long long)res->end,
+			 (unsigned int)res->flags);
+
+		/* Perform fixup */
+		fixup_resource(res, dev);
+
+		/* Try to detect uninitialized P2P bridge resources,
+		 * and clear them out so they get re-assigned later
+		 */
+		if (pcibios_uninitialized_bridge_resource(bus, res)) {
+			res->flags = 0;
+			pr_debug("PCI:%s            (unassigned)\n",
+								pci_name(dev));
+		} else {
+			pr_debug("PCI:%s            %016llx-%016llx\n",
+				 pci_name(dev),
+				 (unsigned long long)res->start,
+				 (unsigned long long)res->end);
+		}
+	}
+}
+
+void __devinit pcibios_setup_bus_self(struct pci_bus *bus)
+{
+	/* Fix up the bus resources for P2P bridges */
+	if (bus->self != NULL)
+		pcibios_fixup_bridge(bus);
+}
+
+void __devinit pcibios_setup_bus_devices(struct pci_bus *bus)
+{
+	struct pci_dev *dev;
+
+	pr_debug("PCI: Fixup bus devices %d (%s)\n",
+		 bus->number, bus->self ? pci_name(bus->self) : "PHB");
+
+	list_for_each_entry(dev, &bus->devices, bus_list) {
+		struct dev_archdata *sd = &dev->dev.archdata;
+
+		/* Setup OF node pointer in archdata */
+		sd->of_node = pci_device_to_OF_node(dev);
+
+		/* Fixup NUMA node as it may not be setup yet by the generic
+		 * code and is needed by the DMA init
+		 */
+		set_dev_node(&dev->dev, pcibus_to_node(dev->bus));
+
+		/* Hook up default DMA ops */
+		sd->dma_ops = pci_dma_ops;
+		sd->dma_data = (void *)PCI_DRAM_OFFSET;
+
+		/* Read default IRQs and fixup if necessary */
+		pci_read_irq_line(dev);
+	}
+}
+
+void __devinit pcibios_fixup_bus(struct pci_bus *bus)
+{
+	/* When called from the generic PCI probe, read PCI<->PCI bridge
+	 * bases. This is -not- called when generating the PCI tree from
+	 * the OF device-tree.
+	 */
+	if (bus->self != NULL)
+		pci_read_bridge_bases(bus);
+
+	/* Now fixup the bus bus */
+	pcibios_setup_bus_self(bus);
+
+	/* Now fixup devices on that bus */
+	pcibios_setup_bus_devices(bus);
+}
+EXPORT_SYMBOL(pcibios_fixup_bus);
+
+static int skip_isa_ioresource_align(struct pci_dev *dev)
+{
+	if ((pci_flags & PCI_CAN_SKIP_ISA_ALIGN) &&
+	    !(dev->bus->bridge_ctl & PCI_BRIDGE_CTL_ISA))
+		return 1;
+	return 0;
+}
+
+/*
+ * We need to avoid collisions with `mirrored' VGA ports
+ * and other strange ISA hardware, so we always want the
+ * addresses to be allocated in the 0x000-0x0ff region
+ * modulo 0x400.
+ *
+ * Why? Because some silly external IO cards only decode
+ * the low 10 bits of the IO address. The 0x00-0xff region
+ * is reserved for motherboard devices that decode all 16
+ * bits, so it's ok to allocate at, say, 0x2800-0x28ff,
+ * but we want to try to avoid allocating at 0x2900-0x2bff
+ * which might have be mirrored at 0x0100-0x03ff..
+ */
+void pcibios_align_resource(void *data, struct resource *res,
+				resource_size_t size, resource_size_t align)
+{
+	struct pci_dev *dev = data;
+
+	if (res->flags & IORESOURCE_IO) {
+		resource_size_t start = res->start;
+
+		if (skip_isa_ioresource_align(dev))
+			return;
+		if (start & 0x300) {
+			start = (start + 0x3ff) & ~0x3ff;
+			res->start = start;
+		}
+	}
+}
+EXPORT_SYMBOL(pcibios_align_resource);
+
+/*
+ * Reparent resource children of pr that conflict with res
+ * under res, and make res replace those children.
+ */
+static int __init reparent_resources(struct resource *parent,
+				     struct resource *res)
+{
+	struct resource *p, **pp;
+	struct resource **firstpp = NULL;
+
+	for (pp = &parent->child; (p = *pp) != NULL; pp = &p->sibling) {
+		if (p->end < res->start)
+			continue;
+		if (res->end < p->start)
+			break;
+		if (p->start < res->start || p->end > res->end)
+			return -1;	/* not completely contained */
+		if (firstpp == NULL)
+			firstpp = pp;
+	}
+	if (firstpp == NULL)
+		return -1;	/* didn't find any conflicting entries? */
+	res->parent = parent;
+	res->child = *firstpp;
+	res->sibling = *pp;
+	*firstpp = res;
+	*pp = NULL;
+	for (p = res->child; p != NULL; p = p->sibling) {
+		p->parent = res;
+		pr_debug("PCI: Reparented %s [%llx..%llx] under %s\n",
+			 p->name,
+			 (unsigned long long)p->start,
+			 (unsigned long long)p->end, res->name);
+	}
+	return 0;
+}
+
+/*
+ *  Handle resources of PCI devices.  If the world were perfect, we could
+ *  just allocate all the resource regions and do nothing more.  It isn't.
+ *  On the other hand, we cannot just re-allocate all devices, as it would
+ *  require us to know lots of host bridge internals.  So we attempt to
+ *  keep as much of the original configuration as possible, but tweak it
+ *  when it's found to be wrong.
+ *
+ *  Known BIOS problems we have to work around:
+ *	- I/O or memory regions not configured
+ *	- regions configured, but not enabled in the command register
+ *	- bogus I/O addresses above 64K used
+ *	- expansion ROMs left enabled (this may sound harmless, but given
+ *	  the fact the PCI specs explicitly allow address decoders to be
+ *	  shared between expansion ROMs and other resource regions, it's
+ *	  at least dangerous)
+ *
+ *  Our solution:
+ *	(1) Allocate resources for all buses behind PCI-to-PCI bridges.
+ *	    This gives us fixed barriers on where we can allocate.
+ *	(2) Allocate resources for all enabled devices.  If there is
+ *	    a collision, just mark the resource as unallocated. Also
+ *	    disable expansion ROMs during this step.
+ *	(3) Try to allocate resources for disabled devices.  If the
+ *	    resources were assigned correctly, everything goes well,
+ *	    if they weren't, they won't disturb allocation of other
+ *	    resources.
+ *	(4) Assign new addresses to resources which were either
+ *	    not configured at all or misconfigured.  If explicitly
+ *	    requested by the user, configure expansion ROM address
+ *	    as well.
+ */
+
+void pcibios_allocate_bus_resources(struct pci_bus *bus)
+{
+	struct pci_bus *b;
+	int i;
+	struct resource *res, *pr;
+
+	pr_debug("PCI: Allocating bus resources for %04x:%02x...\n",
+		 pci_domain_nr(bus), bus->number);
+
+	for (i = 0; i < PCI_BUS_NUM_RESOURCES; ++i) {
+		res = bus->resource[i];
+		if (!res || !res->flags
+		    || res->start > res->end || res->parent)
+			continue;
+		if (bus->parent == NULL)
+			pr = (res->flags & IORESOURCE_IO) ?
+				&ioport_resource : &iomem_resource;
+		else {
+			/* Don't bother with non-root busses when
+			 * re-assigning all resources. We clear the
+			 * resource flags as if they were colliding
+			 * and as such ensure proper re-allocation
+			 * later.
+			 */
+			if (pci_flags & PCI_REASSIGN_ALL_RSRC)
+				goto clear_resource;
+			pr = pci_find_parent_resource(bus->self, res);
+			if (pr == res) {
+				/* this happens when the generic PCI
+				 * code (wrongly) decides that this
+				 * bridge is transparent  -- paulus
+				 */
+				continue;
+			}
+		}
+
+		pr_debug("PCI: %s (bus %d) bridge rsrc %d: %016llx-%016llx "
+			 "[0x%x], parent %p (%s)\n",
+			 bus->self ? pci_name(bus->self) : "PHB",
+			 bus->number, i,
+			 (unsigned long long)res->start,
+			 (unsigned long long)res->end,
+			 (unsigned int)res->flags,
+			 pr, (pr && pr->name) ? pr->name : "nil");
+
+		if (pr && !(pr->flags & IORESOURCE_UNSET)) {
+			if (request_resource(pr, res) == 0)
+				continue;
+			/*
+			 * Must be a conflict with an existing entry.
+			 * Move that entry (or entries) under the
+			 * bridge resource and try again.
+			 */
+			if (reparent_resources(pr, res) == 0)
+				continue;
+		}
+		printk(KERN_WARNING "PCI: Cannot allocate resource region "
+		       "%d of PCI bridge %d, will remap\n", i, bus->number);
+clear_resource:
+		res->flags = 0;
+	}
+
+	list_for_each_entry(b, &bus->children, node)
+		pcibios_allocate_bus_resources(b);
+}
+
+static inline void __devinit alloc_resource(struct pci_dev *dev, int idx)
+{
+	struct resource *pr, *r = &dev->resource[idx];
+
+	pr_debug("PCI: Allocating %s: Resource %d: %016llx..%016llx [%x]\n",
+		 pci_name(dev), idx,
+		 (unsigned long long)r->start,
+		 (unsigned long long)r->end,
+		 (unsigned int)r->flags);
+
+	pr = pci_find_parent_resource(dev, r);
+	if (!pr || (pr->flags & IORESOURCE_UNSET) ||
+	    request_resource(pr, r) < 0) {
+		printk(KERN_WARNING "PCI: Cannot allocate resource region %d"
+		       " of device %s, will remap\n", idx, pci_name(dev));
+		if (pr)
+			pr_debug("PCI:  parent is %p: %016llx-%016llx [%x]\n",
+				 pr,
+				 (unsigned long long)pr->start,
+				 (unsigned long long)pr->end,
+				 (unsigned int)pr->flags);
+		/* We'll assign a new address later */
+		r->flags |= IORESOURCE_UNSET;
+		r->end -= r->start;
+		r->start = 0;
+	}
+}
+
+static void __init pcibios_allocate_resources(int pass)
+{
+	struct pci_dev *dev = NULL;
+	int idx, disabled;
+	u16 command;
+	struct resource *r;
+
+	for_each_pci_dev(dev) {
+		pci_read_config_word(dev, PCI_COMMAND, &command);
+		for (idx = 0; idx <= PCI_ROM_RESOURCE; idx++) {
+			r = &dev->resource[idx];
+			if (r->parent)		/* Already allocated */
+				continue;
+			if (!r->flags || (r->flags & IORESOURCE_UNSET))
+				continue;	/* Not assigned at all */
+			/* We only allocate ROMs on pass 1 just in case they
+			 * have been screwed up by firmware
+			 */
+			if (idx == PCI_ROM_RESOURCE)
+				disabled = 1;
+			if (r->flags & IORESOURCE_IO)
+				disabled = !(command & PCI_COMMAND_IO);
+			else
+				disabled = !(command & PCI_COMMAND_MEMORY);
+			if (pass == disabled)
+				alloc_resource(dev, idx);
+		}
+		if (pass)
+			continue;
+		r = &dev->resource[PCI_ROM_RESOURCE];
+		if (r->flags) {
+			/* Turn the ROM off, leave the resource region,
+			 * but keep it unregistered.
+			 */
+			u32 reg;
+			pci_read_config_dword(dev, dev->rom_base_reg, &reg);
+			if (reg & PCI_ROM_ADDRESS_ENABLE) {
+				pr_debug("PCI: Switching off ROM of %s\n",
+					 pci_name(dev));
+				r->flags &= ~IORESOURCE_ROM_ENABLE;
+				pci_write_config_dword(dev, dev->rom_base_reg,
+						reg & ~PCI_ROM_ADDRESS_ENABLE);
+			}
+		}
+	}
+}
+
+static void __init pcibios_reserve_legacy_regions(struct pci_bus *bus)
+{
+	struct pci_controller *hose = pci_bus_to_host(bus);
+	resource_size_t	offset;
+	struct resource *res, *pres;
+	int i;
+
+	pr_debug("Reserving legacy ranges for domain %04x\n",
+							pci_domain_nr(bus));
+
+	/* Check for IO */
+	if (!(hose->io_resource.flags & IORESOURCE_IO))
+		goto no_io;
+	offset = (unsigned long)hose->io_base_virt - _IO_BASE;
+	res = kzalloc(sizeof(struct resource), GFP_KERNEL);
+	BUG_ON(res == NULL);
+	res->name = "Legacy IO";
+	res->flags = IORESOURCE_IO;
+	res->start = offset;
+	res->end = (offset + 0xfff) & 0xfffffffful;
+	pr_debug("Candidate legacy IO: %pR\n", res);
+	if (request_resource(&hose->io_resource, res)) {
+		printk(KERN_DEBUG
+		       "PCI %04x:%02x Cannot reserve Legacy IO %pR\n",
+		       pci_domain_nr(bus), bus->number, res);
+		kfree(res);
+	}
+
+ no_io:
+	/* Check for memory */
+	offset = hose->pci_mem_offset;
+	pr_debug("hose mem offset: %016llx\n", (unsigned long long)offset);
+	for (i = 0; i < 3; i++) {
+		pres = &hose->mem_resources[i];
+		if (!(pres->flags & IORESOURCE_MEM))
+			continue;
+		pr_debug("hose mem res: %pR\n", pres);
+		if ((pres->start - offset) <= 0xa0000 &&
+		    (pres->end - offset) >= 0xbffff)
+			break;
+	}
+	if (i >= 3)
+		return;
+	res = kzalloc(sizeof(struct resource), GFP_KERNEL);
+	BUG_ON(res == NULL);
+	res->name = "Legacy VGA memory";
+	res->flags = IORESOURCE_MEM;
+	res->start = 0xa0000 + offset;
+	res->end = 0xbffff + offset;
+	pr_debug("Candidate VGA memory: %pR\n", res);
+	if (request_resource(pres, res)) {
+		printk(KERN_DEBUG
+		       "PCI %04x:%02x Cannot reserve VGA memory %pR\n",
+		       pci_domain_nr(bus), bus->number, res);
+		kfree(res);
+	}
+}
+
+void __init pcibios_resource_survey(void)
+{
+	struct pci_bus *b;
+
+	/* Allocate and assign resources. If we re-assign everything, then
+	 * we skip the allocate phase
+	 */
+	list_for_each_entry(b, &pci_root_buses, node)
+		pcibios_allocate_bus_resources(b);
+
+	if (!(pci_flags & PCI_REASSIGN_ALL_RSRC)) {
+		pcibios_allocate_resources(0);
+		pcibios_allocate_resources(1);
+	}
+
+	/* Before we start assigning unassigned resource, we try to reserve
+	 * the low IO area and the VGA memory area if they intersect the
+	 * bus available resources to avoid allocating things on top of them
+	 */
+	if (!(pci_flags & PCI_PROBE_ONLY)) {
+		list_for_each_entry(b, &pci_root_buses, node)
+			pcibios_reserve_legacy_regions(b);
+	}
+
+	/* Now, if the platform didn't decide to blindly trust the firmware,
+	 * we proceed to assigning things that were left unassigned
+	 */
+	if (!(pci_flags & PCI_PROBE_ONLY)) {
+		pr_debug("PCI: Assigning unassigned resources...\n");
+		pci_assign_unassigned_resources();
+	}
+}
+
+#ifdef CONFIG_HOTPLUG
+
+/* This is used by the PCI hotplug driver to allocate resource
+ * of newly plugged busses. We can try to consolidate with the
+ * rest of the code later, for now, keep it as-is as our main
+ * resource allocation function doesn't deal with sub-trees yet.
+ */
+void __devinit pcibios_claim_one_bus(struct pci_bus *bus)
+{
+	struct pci_dev *dev;
+	struct pci_bus *child_bus;
+
+	list_for_each_entry(dev, &bus->devices, bus_list) {
+		int i;
+
+		for (i = 0; i < PCI_NUM_RESOURCES; i++) {
+			struct resource *r = &dev->resource[i];
+
+			if (r->parent || !r->start || !r->flags)
+				continue;
+
+			pr_debug("PCI: Claiming %s: "
+				 "Resource %d: %016llx..%016llx [%x]\n",
+				 pci_name(dev), i,
+				 (unsigned long long)r->start,
+				 (unsigned long long)r->end,
+				 (unsigned int)r->flags);
+
+			pci_claim_resource(dev, i);
+		}
+	}
+
+	list_for_each_entry(child_bus, &bus->children, node)
+		pcibios_claim_one_bus(child_bus);
+}
+EXPORT_SYMBOL_GPL(pcibios_claim_one_bus);
+
+
+/* pcibios_finish_adding_to_bus
+ *
+ * This is to be called by the hotplug code after devices have been
+ * added to a bus, this include calling it for a PHB that is just
+ * being added
+ */
+void pcibios_finish_adding_to_bus(struct pci_bus *bus)
+{
+	pr_debug("PCI: Finishing adding to hotplug bus %04x:%02x\n",
+		 pci_domain_nr(bus), bus->number);
+
+	/* Allocate bus and devices resources */
+	pcibios_allocate_bus_resources(bus);
+	pcibios_claim_one_bus(bus);
+
+	/* Add new devices to global lists.  Register in proc, sysfs. */
+	pci_bus_add_devices(bus);
+
+	/* Fixup EEH */
+	eeh_add_device_tree_late(bus);
+}
+EXPORT_SYMBOL_GPL(pcibios_finish_adding_to_bus);
+
+#endif /* CONFIG_HOTPLUG */
+
+int pcibios_enable_device(struct pci_dev *dev, int mask)
+{
+	return pci_enable_resources(dev, mask);
+}
+
+void __devinit pcibios_setup_phb_resources(struct pci_controller *hose)
+{
+	struct pci_bus *bus = hose->bus;
+	struct resource *res;
+	int i;
+
+	/* Hookup PHB IO resource */
+	bus->resource[0] = res = &hose->io_resource;
+
+	if (!res->flags) {
+		printk(KERN_WARNING "PCI: I/O resource not set for host"
+		       " bridge %s (domain %d)\n",
+		       hose->dn->full_name, hose->global_number);
+		/* Workaround for lack of IO resource only on 32-bit */
+		res->start = (unsigned long)hose->io_base_virt - isa_io_base;
+		res->end = res->start + IO_SPACE_LIMIT;
+		res->flags = IORESOURCE_IO;
+	}
+
+	pr_debug("PCI: PHB IO resource    = %016llx-%016llx [%lx]\n",
+		 (unsigned long long)res->start,
+		 (unsigned long long)res->end,
+		 (unsigned long)res->flags);
+
+	/* Hookup PHB Memory resources */
+	for (i = 0; i < 3; ++i) {
+		res = &hose->mem_resources[i];
+		if (!res->flags) {
+			if (i > 0)
+				continue;
+			printk(KERN_ERR "PCI: Memory resource 0 not set for "
+			       "host bridge %s (domain %d)\n",
+			       hose->dn->full_name, hose->global_number);
+
+			/* Workaround for lack of MEM resource only on 32-bit */
+			res->start = hose->pci_mem_offset;
+			res->end = (resource_size_t)-1LL;
+			res->flags = IORESOURCE_MEM;
+
+		}
+		bus->resource[i+1] = res;
+
+		pr_debug("PCI: PHB MEM resource %d = %016llx-%016llx [%lx]\n",
+			i, (unsigned long long)res->start,
+			(unsigned long long)res->end,
+			(unsigned long)res->flags);
+	}
+
+	pr_debug("PCI: PHB MEM offset     = %016llx\n",
+		 (unsigned long long)hose->pci_mem_offset);
+	pr_debug("PCI: PHB IO  offset     = %08lx\n",
+		 (unsigned long)hose->io_base_virt - _IO_BASE);
+}
+
+/*
+ * Null PCI config access functions, for the case when we can't
+ * find a hose.
+ */
+#define NULL_PCI_OP(rw, size, type)					\
+static int								\
+null_##rw##_config_##size(struct pci_dev *dev, int offset, type val)	\
+{									\
+	return PCIBIOS_DEVICE_NOT_FOUND;				\
+}
+
+static int
+null_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
+		 int len, u32 *val)
+{
+	return PCIBIOS_DEVICE_NOT_FOUND;
+}
+
+static int
+null_write_config(struct pci_bus *bus, unsigned int devfn, int offset,
+		  int len, u32 val)
+{
+	return PCIBIOS_DEVICE_NOT_FOUND;
+}
+
+static struct pci_ops null_pci_ops = {
+	.read = null_read_config,
+	.write = null_write_config,
+};
+
+/*
+ * These functions are used early on before PCI scanning is done
+ * and all of the pci_dev and pci_bus structures have been created.
+ */
+static struct pci_bus *
+fake_pci_bus(struct pci_controller *hose, int busnr)
+{
+	static struct pci_bus bus;
+
+	if (!hose)
+		printk(KERN_ERR "Can't find hose for PCI bus %d!\n", busnr);
+
+	bus.number = busnr;
+	bus.sysdata = hose;
+	bus.ops = hose ? hose->ops : &null_pci_ops;
+	return &bus;
+}
+
+#define EARLY_PCI_OP(rw, size, type)					\
+int early_##rw##_config_##size(struct pci_controller *hose, int bus,	\
+			       int devfn, int offset, type value)	\
+{									\
+	return pci_bus_##rw##_config_##size(fake_pci_bus(hose, bus),	\
+					    devfn, offset, value);	\
+}
+
+EARLY_PCI_OP(read, byte, u8 *)
+EARLY_PCI_OP(read, word, u16 *)
+EARLY_PCI_OP(read, dword, u32 *)
+EARLY_PCI_OP(write, byte, u8)
+EARLY_PCI_OP(write, word, u16)
+EARLY_PCI_OP(write, dword, u32)
+
+int early_find_capability(struct pci_controller *hose, int bus, int devfn,
+			  int cap)
+{
+	return pci_bus_find_capability(fake_pci_bus(hose, bus), devfn, cap);
+}
diff --git a/arch/microblaze/pci/pci_32.c b/arch/microblaze/pci/pci_32.c
new file mode 100644
index 000000000000..7e0c94f501cc
--- /dev/null
+++ b/arch/microblaze/pci/pci_32.c
@@ -0,0 +1,430 @@
+/*
+ * Common pmac/prep/chrp pci routines. -- Cort
+ */
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <linux/capability.h>
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/bootmem.h>
+#include <linux/irq.h>
+#include <linux/list.h>
+#include <linux/of.h>
+
+#include <asm/processor.h>
+#include <asm/io.h>
+#include <asm/prom.h>
+#include <asm/sections.h>
+#include <asm/pci-bridge.h>
+#include <asm/byteorder.h>
+#include <asm/uaccess.h>
+
+#undef DEBUG
+
+unsigned long isa_io_base;
+unsigned long pci_dram_offset;
+int pcibios_assign_bus_offset = 1;
+
+static u8 *pci_to_OF_bus_map;
+
+/* By default, we don't re-assign bus numbers. We do this only on
+ * some pmacs
+ */
+static int pci_assign_all_buses;
+
+static int pci_bus_count;
+
+/*
+ * Functions below are used on OpenFirmware machines.
+ */
+static void
+make_one_node_map(struct device_node *node, u8 pci_bus)
+{
+	const int *bus_range;
+	int len;
+
+	if (pci_bus >= pci_bus_count)
+		return;
+	bus_range = of_get_property(node, "bus-range", &len);
+	if (bus_range == NULL || len < 2 * sizeof(int)) {
+		printk(KERN_WARNING "Can't get bus-range for %s, "
+		       "assuming it starts at 0\n", node->full_name);
+		pci_to_OF_bus_map[pci_bus] = 0;
+	} else
+		pci_to_OF_bus_map[pci_bus] = bus_range[0];
+
+	for_each_child_of_node(node, node) {
+		struct pci_dev *dev;
+		const unsigned int *class_code, *reg;
+
+		class_code = of_get_property(node, "class-code", NULL);
+		if (!class_code ||
+			((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI &&
+			(*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS))
+			continue;
+		reg = of_get_property(node, "reg", NULL);
+		if (!reg)
+			continue;
+		dev = pci_get_bus_and_slot(pci_bus, ((reg[0] >> 8) & 0xff));
+		if (!dev || !dev->subordinate) {
+			pci_dev_put(dev);
+			continue;
+		}
+		make_one_node_map(node, dev->subordinate->number);
+		pci_dev_put(dev);
+	}
+}
+
+void
+pcibios_make_OF_bus_map(void)
+{
+	int i;
+	struct pci_controller *hose, *tmp;
+	struct property *map_prop;
+	struct device_node *dn;
+
+	pci_to_OF_bus_map = kmalloc(pci_bus_count, GFP_KERNEL);
+	if (!pci_to_OF_bus_map) {
+		printk(KERN_ERR "Can't allocate OF bus map !\n");
+		return;
+	}
+
+	/* We fill the bus map with invalid values, that helps
+	 * debugging.
+	 */
+	for (i = 0; i < pci_bus_count; i++)
+		pci_to_OF_bus_map[i] = 0xff;
+
+	/* For each hose, we begin searching bridges */
+	list_for_each_entry_safe(hose, tmp, &hose_list, list_node) {
+		struct device_node *node = hose->dn;
+
+		if (!node)
+			continue;
+		make_one_node_map(node, hose->first_busno);
+	}
+	dn = of_find_node_by_path("/");
+	map_prop = of_find_property(dn, "pci-OF-bus-map", NULL);
+	if (map_prop) {
+		BUG_ON(pci_bus_count > map_prop->length);
+		memcpy(map_prop->value, pci_to_OF_bus_map, pci_bus_count);
+	}
+	of_node_put(dn);
+#ifdef DEBUG
+	printk(KERN_INFO "PCI->OF bus map:\n");
+	for (i = 0; i < pci_bus_count; i++) {
+		if (pci_to_OF_bus_map[i] == 0xff)
+			continue;
+		printk(KERN_INFO "%d -> %d\n", i, pci_to_OF_bus_map[i]);
+	}
+#endif
+}
+
+typedef int (*pci_OF_scan_iterator)(struct device_node *node, void *data);
+
+static struct device_node *scan_OF_pci_childs(struct device_node *parent,
+					pci_OF_scan_iterator filter, void *data)
+{
+	struct device_node *node;
+	struct device_node *sub_node;
+
+	for_each_child_of_node(parent, node) {
+		const unsigned int *class_code;
+
+		if (filter(node, data)) {
+			of_node_put(node);
+			return node;
+		}
+
+		/* For PCI<->PCI bridges or CardBus bridges, we go down
+		 * Note: some OFs create a parent node "multifunc-device" as
+		 * a fake root for all functions of a multi-function device,
+		 * we go down them as well.
+		 */
+		class_code = of_get_property(node, "class-code", NULL);
+		if ((!class_code ||
+			((*class_code >> 8) != PCI_CLASS_BRIDGE_PCI &&
+			(*class_code >> 8) != PCI_CLASS_BRIDGE_CARDBUS)) &&
+			strcmp(node->name, "multifunc-device"))
+			continue;
+		sub_node = scan_OF_pci_childs(node, filter, data);
+		if (sub_node) {
+			of_node_put(node);
+			return sub_node;
+		}
+	}
+	return NULL;
+}
+
+static struct device_node *scan_OF_for_pci_dev(struct device_node *parent,
+					       unsigned int devfn)
+{
+	struct device_node *np, *cnp;
+	const u32 *reg;
+	unsigned int psize;
+
+	for_each_child_of_node(parent, np) {
+		reg = of_get_property(np, "reg", &psize);
+		if (reg && psize >= 4 && ((reg[0] >> 8) & 0xff) == devfn)
+			return np;
+
+		/* Note: some OFs create a parent node "multifunc-device" as
+		 * a fake root for all functions of a multi-function device,
+		 * we go down them as well. */
+		if (!strcmp(np->name, "multifunc-device")) {
+			cnp = scan_OF_for_pci_dev(np, devfn);
+			if (cnp)
+				return cnp;
+		}
+	}
+	return NULL;
+}
+
+
+static struct device_node *scan_OF_for_pci_bus(struct pci_bus *bus)
+{
+	struct device_node *parent, *np;
+
+	/* Are we a root bus ? */
+	if (bus->self == NULL || bus->parent == NULL) {
+		struct pci_controller *hose = pci_bus_to_host(bus);
+		if (hose == NULL)
+			return NULL;
+		return of_node_get(hose->dn);
+	}
+
+	/* not a root bus, we need to get our parent */
+	parent = scan_OF_for_pci_bus(bus->parent);
+	if (parent == NULL)
+		return NULL;
+
+	/* now iterate for children for a match */
+	np = scan_OF_for_pci_dev(parent, bus->self->devfn);
+	of_node_put(parent);
+
+	return np;
+}
+
+/*
+ * Scans the OF tree for a device node matching a PCI device
+ */
+struct device_node *
+pci_busdev_to_OF_node(struct pci_bus *bus, int devfn)
+{
+	struct device_node *parent, *np;
+
+	pr_debug("pci_busdev_to_OF_node(%d,0x%x)\n", bus->number, devfn);
+	parent = scan_OF_for_pci_bus(bus);
+	if (parent == NULL)
+		return NULL;
+	pr_debug(" parent is %s\n", parent ? parent->full_name : "<NULL>");
+	np = scan_OF_for_pci_dev(parent, devfn);
+	of_node_put(parent);
+	pr_debug(" result is %s\n", np ? np->full_name : "<NULL>");
+
+	/* XXX most callers don't release the returned node
+	 * mostly because ppc64 doesn't increase the refcount,
+	 * we need to fix that.
+	 */
+	return np;
+}
+EXPORT_SYMBOL(pci_busdev_to_OF_node);
+
+struct device_node*
+pci_device_to_OF_node(struct pci_dev *dev)
+{
+	return pci_busdev_to_OF_node(dev->bus, dev->devfn);
+}
+EXPORT_SYMBOL(pci_device_to_OF_node);
+
+static int
+find_OF_pci_device_filter(struct device_node *node, void *data)
+{
+	return ((void *)node == data);
+}
+
+/*
+ * Returns the PCI device matching a given OF node
+ */
+int
+pci_device_from_OF_node(struct device_node *node, u8 *bus, u8 *devfn)
+{
+	const unsigned int *reg;
+	struct pci_controller *hose;
+	struct pci_dev *dev = NULL;
+
+	/* Make sure it's really a PCI device */
+	hose = pci_find_hose_for_OF_device(node);
+	if (!hose || !hose->dn)
+		return -ENODEV;
+	if (!scan_OF_pci_childs(hose->dn,
+			find_OF_pci_device_filter, (void *)node))
+		return -ENODEV;
+	reg = of_get_property(node, "reg", NULL);
+	if (!reg)
+		return -ENODEV;
+	*bus = (reg[0] >> 16) & 0xff;
+	*devfn = ((reg[0] >> 8) & 0xff);
+
+	/* Ok, here we need some tweak. If we have already renumbered
+	 * all busses, we can't rely on the OF bus number any more.
+	 * the pci_to_OF_bus_map is not enough as several PCI busses
+	 * may match the same OF bus number.
+	 */
+	if (!pci_to_OF_bus_map)
+		return 0;
+
+	for_each_pci_dev(dev)
+		if (pci_to_OF_bus_map[dev->bus->number] == *bus &&
+				dev->devfn == *devfn) {
+			*bus = dev->bus->number;
+			pci_dev_put(dev);
+			return 0;
+		}
+
+	return -ENODEV;
+}
+EXPORT_SYMBOL(pci_device_from_OF_node);
+
+/* We create the "pci-OF-bus-map" property now so it appears in the
+ * /proc device tree
+ */
+void __init
+pci_create_OF_bus_map(void)
+{
+	struct property *of_prop;
+	struct device_node *dn;
+
+	of_prop = (struct property *) alloc_bootmem(sizeof(struct property) + \
+									 256);
+	if (!of_prop)
+		return;
+	dn = of_find_node_by_path("/");
+	if (dn) {
+		memset(of_prop, -1, sizeof(struct property) + 256);
+		of_prop->name = "pci-OF-bus-map";
+		of_prop->length = 256;
+		of_prop->value = &of_prop[1];
+		prom_add_property(dn, of_prop);
+		of_node_put(dn);
+	}
+}
+
+static void __devinit pcibios_scan_phb(struct pci_controller *hose)
+{
+	struct pci_bus *bus;
+	struct device_node *node = hose->dn;
+	unsigned long io_offset;
+	struct resource *res = &hose->io_resource;
+
+	pr_debug("PCI: Scanning PHB %s\n",
+		 node ? node->full_name : "<NO NAME>");
+
+	/* Create an empty bus for the toplevel */
+	bus = pci_create_bus(hose->parent, hose->first_busno, hose->ops, hose);
+	if (bus == NULL) {
+		printk(KERN_ERR "Failed to create bus for PCI domain %04x\n",
+		       hose->global_number);
+		return;
+	}
+	bus->secondary = hose->first_busno;
+	hose->bus = bus;
+
+	/* Fixup IO space offset */
+	io_offset = (unsigned long)hose->io_base_virt - isa_io_base;
+	res->start = (res->start + io_offset) & 0xffffffffu;
+	res->end = (res->end + io_offset) & 0xffffffffu;
+
+	/* Wire up PHB bus resources */
+	pcibios_setup_phb_resources(hose);
+
+	/* Scan children */
+	hose->last_busno = bus->subordinate = pci_scan_child_bus(bus);
+}
+
+static int __init pcibios_init(void)
+{
+	struct pci_controller *hose, *tmp;
+	int next_busno = 0;
+
+	printk(KERN_INFO "PCI: Probing PCI hardware\n");
+
+	if (pci_flags & PCI_REASSIGN_ALL_BUS) {
+		printk(KERN_INFO "setting pci_asign_all_busses\n");
+		pci_assign_all_buses = 1;
+	}
+
+	/* Scan all of the recorded PCI controllers.  */
+	list_for_each_entry_safe(hose, tmp, &hose_list, list_node) {
+		if (pci_assign_all_buses)
+			hose->first_busno = next_busno;
+		hose->last_busno = 0xff;
+		pcibios_scan_phb(hose);
+		printk(KERN_INFO "calling pci_bus_add_devices()\n");
+		pci_bus_add_devices(hose->bus);
+		if (pci_assign_all_buses || next_busno <= hose->last_busno)
+			next_busno = hose->last_busno + \
+					pcibios_assign_bus_offset;
+	}
+	pci_bus_count = next_busno;
+
+	/* OpenFirmware based machines need a map of OF bus
+	 * numbers vs. kernel bus numbers since we may have to
+	 * remap them.
+	 */
+	if (pci_assign_all_buses)
+		pcibios_make_OF_bus_map();
+
+	/* Call common code to handle resource allocation */
+	pcibios_resource_survey();
+
+	return 0;
+}
+
+subsys_initcall(pcibios_init);
+
+static struct pci_controller*
+pci_bus_to_hose(int bus)
+{
+	struct pci_controller *hose, *tmp;
+
+	list_for_each_entry_safe(hose, tmp, &hose_list, list_node)
+		if (bus >= hose->first_busno && bus <= hose->last_busno)
+			return hose;
+	return NULL;
+}
+
+/* Provide information on locations of various I/O regions in physical
+ * memory.  Do this on a per-card basis so that we choose the right
+ * root bridge.
+ * Note that the returned IO or memory base is a physical address
+ */
+
+long sys_pciconfig_iobase(long which, unsigned long bus, unsigned long devfn)
+{
+	struct pci_controller *hose;
+	long result = -EOPNOTSUPP;
+
+	hose = pci_bus_to_hose(bus);
+	if (!hose)
+		return -ENODEV;
+
+	switch (which) {
+	case IOBASE_BRIDGE_NUMBER:
+		return (long)hose->first_busno;
+	case IOBASE_MEMORY:
+		return (long)hose->pci_mem_offset;
+	case IOBASE_IO:
+		return (long)hose->io_base_phys;
+	case IOBASE_ISA_IO:
+		return (long)isa_io_base;
+	case IOBASE_ISA_MEM:
+		return (long)isa_mem_base;
+	}
+
+	return result;
+}
diff --git a/arch/microblaze/pci/xilinx_pci.c b/arch/microblaze/pci/xilinx_pci.c
new file mode 100644
index 000000000000..7869a41b0f94
--- /dev/null
+++ b/arch/microblaze/pci/xilinx_pci.c
@@ -0,0 +1,168 @@
+/*
+ * PCI support for Xilinx plbv46_pci soft-core which can be used on
+ * Xilinx Virtex ML410 / ML510 boards.
+ *
+ * Copyright 2009 Roderick Colenbrander
+ * Copyright 2009 Secret Lab Technologies Ltd.
+ *
+ * The pci bridge fixup code was copied from ppc4xx_pci.c and was written
+ * by Benjamin Herrenschmidt.
+ * Copyright 2007 Ben. Herrenschmidt <benh@kernel.crashing.org>, IBM Corp.
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/ioport.h>
+#include <linux/of.h>
+#include <linux/pci.h>
+#include <asm/io.h>
+
+#define XPLB_PCI_ADDR 0x10c
+#define XPLB_PCI_DATA 0x110
+#define XPLB_PCI_BUS  0x114
+
+#define PCI_HOST_ENABLE_CMD (PCI_COMMAND_SERR | PCI_COMMAND_PARITY | \
+				PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY)
+
+static struct of_device_id xilinx_pci_match[] = {
+	{ .compatible = "xlnx,plbv46-pci-1.03.a", },
+	{}
+};
+
+/**
+ * xilinx_pci_fixup_bridge - Block Xilinx PHB configuration.
+ */
+static void xilinx_pci_fixup_bridge(struct pci_dev *dev)
+{
+	struct pci_controller *hose;
+	int i;
+
+	if (dev->devfn || dev->bus->self)
+		return;
+
+	hose = pci_bus_to_host(dev->bus);
+	if (!hose)
+		return;
+
+	if (!of_match_node(xilinx_pci_match, hose->dn))
+		return;
+
+	/* Hide the PCI host BARs from the kernel as their content doesn't
+	 * fit well in the resource management
+	 */
+	for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
+		dev->resource[i].start = 0;
+		dev->resource[i].end = 0;
+		dev->resource[i].flags = 0;
+	}
+
+	dev_info(&dev->dev, "Hiding Xilinx plb-pci host bridge resources %s\n",
+		 pci_name(dev));
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, xilinx_pci_fixup_bridge);
+
+#ifdef DEBUG
+/**
+ * xilinx_pci_exclude_device - Don't do config access for non-root bus
+ *
+ * This is a hack.  Config access to any bus other than bus 0 does not
+ * currently work on the ML510 so we prevent it here.
+ */
+static int
+xilinx_pci_exclude_device(struct pci_controller *hose, u_char bus, u8 devfn)
+{
+	return (bus != 0);
+}
+
+/**
+ * xilinx_early_pci_scan - List pci config space for available devices
+ *
+ * List pci devices in very early phase.
+ */
+void __init xilinx_early_pci_scan(struct pci_controller *hose)
+{
+	u32 bus = 0;
+	u32 val, dev, func, offset;
+
+	/* Currently we have only 2 device connected - up-to 32 devices */
+	for (dev = 0; dev < 2; dev++) {
+		/* List only first function number - up-to 8 functions */
+		for (func = 0; func < 1; func++) {
+			printk(KERN_INFO "%02x:%02x:%02x", bus, dev, func);
+			/* read the first 64 standardized bytes */
+			/* Up-to 192 bytes can be list of capabilities */
+			for (offset = 0; offset < 64; offset += 4) {
+				early_read_config_dword(hose, bus,
+					PCI_DEVFN(dev, func), offset, &val);
+				if (offset == 0 && val == 0xFFFFFFFF) {
+					printk(KERN_CONT "\nABSENT");
+					break;
+				}
+				if (!(offset % 0x10))
+					printk(KERN_CONT "\n%04x:    ", offset);
+
+				printk(KERN_CONT "%08x  ", val);
+			}
+			printk(KERN_INFO "\n");
+		}
+	}
+}
+#else
+void __init xilinx_early_pci_scan(struct pci_controller *hose)
+{
+}
+#endif
+
+/**
+ * xilinx_pci_init - Find and register a Xilinx PCI host bridge
+ */
+void __init xilinx_pci_init(void)
+{
+	struct pci_controller *hose;
+	struct resource r;
+	void __iomem *pci_reg;
+	struct device_node *pci_node;
+
+	pci_node = of_find_matching_node(NULL, xilinx_pci_match);
+	if (!pci_node)
+		return;
+
+	if (of_address_to_resource(pci_node, 0, &r)) {
+		pr_err("xilinx-pci: cannot resolve base address\n");
+		return;
+	}
+
+	hose = pcibios_alloc_controller(pci_node);
+	if (!hose) {
+		pr_err("xilinx-pci: pcibios_alloc_controller() failed\n");
+		return;
+	}
+
+	/* Setup config space */
+	setup_indirect_pci(hose, r.start + XPLB_PCI_ADDR,
+			   r.start + XPLB_PCI_DATA,
+			   INDIRECT_TYPE_SET_CFG_TYPE);
+
+	/* According to the xilinx plbv46_pci documentation the soft-core starts
+	 * a self-init when the bus master enable bit is set. Without this bit
+	 * set the pci bus can't be scanned.
+	 */
+	early_write_config_word(hose, 0, 0, PCI_COMMAND, PCI_HOST_ENABLE_CMD);
+
+	/* Set the max latency timer to 255 */
+	early_write_config_byte(hose, 0, 0, PCI_LATENCY_TIMER, 0xff);
+
+	/* Set the max bus number to 255, and bus/subbus no's to 0 */
+	pci_reg = of_iomap(pci_node, 0);
+	out_be32(pci_reg + XPLB_PCI_BUS, 0x000000ff);
+	iounmap(pci_reg);
+
+	/* Register the host bridge with the linux kernel! */
+	pci_process_bridge_OF_ranges(hose, pci_node,
+					INDIRECT_TYPE_SET_CFG_TYPE);
+
+	pr_info("xilinx-pci: Registered PCI host bridge\n");
+	xilinx_early_pci_scan(hose);
+}
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 591ca0cd4c24..29e86923d1bf 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -812,9 +812,9 @@ config DMA_COHERENT
 
 config DMA_NONCOHERENT
 	bool
-	select DMA_NEED_PCI_MAP_STATE
+	select NEED_DMA_MAP_STATE
 
-config DMA_NEED_PCI_MAP_STATE
+config NEED_DMA_MAP_STATE
 	bool
 
 config SYS_HAS_EARLY_PRINTK
diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h
index f58aed354bfd..613f6912dfc1 100644
--- a/arch/mips/include/asm/compat.h
+++ b/arch/mips/include/asm/compat.h
@@ -8,7 +8,8 @@
 #include <asm/page.h>
 #include <asm/ptrace.h>
 
-#define COMPAT_USER_HZ	100
+#define COMPAT_USER_HZ		100
+#define COMPAT_UTS_MACHINE	"mips\0\0\0"
 
 typedef u32		compat_size_t;
 typedef s32		compat_ssize_t;
diff --git a/arch/mips/include/asm/local.h b/arch/mips/include/asm/local.h
index 361f4f16c30c..bdcdef02d147 100644
--- a/arch/mips/include/asm/local.h
+++ b/arch/mips/include/asm/local.h
@@ -193,29 +193,4 @@ static __inline__ long local_sub_return(long i, local_t * l)
 #define __local_add(i, l)	((l)->a.counter+=(i))
 #define __local_sub(i, l)	((l)->a.counter-=(i))
 
-/* Need to disable preemption for the cpu local counters otherwise we could
-   still access a variable of a previous CPU in a non atomic way. */
-#define cpu_local_wrap_v(l)	 	\
-	({ local_t res__;		\
-	   preempt_disable(); 		\
-	   res__ = (l);			\
-	   preempt_enable();		\
-	   res__; })
-#define cpu_local_wrap(l)		\
-	({ preempt_disable();		\
-	   l;				\
-	   preempt_enable(); })		\
-
-#define cpu_local_read(l)    cpu_local_wrap_v(local_read(&__get_cpu_var(l)))
-#define cpu_local_set(l, i)  cpu_local_wrap(local_set(&__get_cpu_var(l), (i)))
-#define cpu_local_inc(l)     cpu_local_wrap(local_inc(&__get_cpu_var(l)))
-#define cpu_local_dec(l)     cpu_local_wrap(local_dec(&__get_cpu_var(l)))
-#define cpu_local_add(i, l)  cpu_local_wrap(local_add((i), &__get_cpu_var(l)))
-#define cpu_local_sub(i, l)  cpu_local_wrap(local_sub((i), &__get_cpu_var(l)))
-
-#define __cpu_local_inc(l)	cpu_local_inc(l)
-#define __cpu_local_dec(l)	cpu_local_dec(l)
-#define __cpu_local_add(i, l)	cpu_local_add((i), (l))
-#define __cpu_local_sub(i, l)	cpu_local_sub((i), (l))
-
 #endif /* _ARCH_MIPS_LOCAL_H */
diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h
index 5ebf82572ec0..3beea1479b43 100644
--- a/arch/mips/include/asm/pci.h
+++ b/arch/mips/include/asm/pci.h
@@ -102,28 +102,6 @@ struct pci_dev;
  */
 extern unsigned int PCI_DMA_BUS_IS_PHYS;
 
-#ifdef CONFIG_DMA_NEED_PCI_MAP_STATE
-
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)		__u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)		((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	(((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)		((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	(((PTR)->LEN_NAME) = (VAL))
-
-#else /* CONFIG_DMA_NEED_PCI_MAP_STATE  */
-
-/* pci_unmap_{page,single} is a nop so... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)		(0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME)		(0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do { } while (0)
-
-#endif /* CONFIG_DMA_NEED_PCI_MAP_STATE  */
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 					enum pci_dma_burst_strategy *strat,
diff --git a/arch/mips/include/asm/unistd.h b/arch/mips/include/asm/unistd.h
index 65c679ecbe6b..1b5a6648eb86 100644
--- a/arch/mips/include/asm/unistd.h
+++ b/arch/mips/include/asm/unistd.h
@@ -1004,6 +1004,7 @@
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_UTIME
@@ -1013,6 +1014,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_UNAME
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index bde79ef602e6..a39d0597a375 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -249,22 +249,6 @@ SYSCALL_DEFINE5(n32_msgrcv, int, msqid, u32, msgp, size_t, msgsz,
 }
 #endif
 
-SYSCALL_DEFINE1(32_newuname, struct new_utsname __user *, name)
-{
-	int ret = 0;
-
-	down_read(&uts_sem);
-	if (copy_to_user(name, utsname(), sizeof *name))
-		ret = -EFAULT;
-	up_read(&uts_sem);
-
-	if (current->personality == PER_LINUX32 && !ret)
-		if (copy_to_user(name->machine, "mips\0\0\0", 8))
-			ret = -EFAULT;
-
-	return ret;
-}
-
 SYSCALL_DEFINE1(32_personality, unsigned long, personality)
 {
 	int ret;
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c
index 054861ccb4dd..c51b95ff8644 100644
--- a/arch/mips/kernel/ptrace.c
+++ b/arch/mips/kernel/ptrace.c
@@ -493,36 +493,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		ret = ptrace_setfpregs(child, (__u32 __user *) data);
 		break;
 
-	case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */
-	case PTRACE_CONT: { /* restart after signal. */
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		if (request == PTRACE_SYSCALL) {
-			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		}
-		else {
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		}
-		child->exit_code = data;
-		wake_up_process(child);
-		ret = 0;
-		break;
-	}
-
-	/*
-	 * make the child exit.  Best I can do is send it a sigkill.
-	 * perhaps it should be put in the status that it wants to
-	 * exit.
-	 */
-	case PTRACE_KILL:
-		ret = 0;
-		if (child->exit_state == EXIT_ZOMBIE)	/* already dead */
-			break;
-		child->exit_code = SIGKILL;
-		wake_up_process(child);
-		break;
-
 	case PTRACE_GET_THREAD_AREA:
 		ret = put_user(task_thread_info(child)->tp_value,
 				(unsigned long __user *) data);
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 66b5a48676dd..44337ba03717 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -181,7 +181,7 @@ EXPORT(sysn32_call_table)
 	PTR	sys_exit
 	PTR	compat_sys_wait4
 	PTR	sys_kill			/* 6060 */
-	PTR	sys_32_newuname
+	PTR	sys_newuname
 	PTR	sys_semget
 	PTR	sys_semop
 	PTR	sys_n32_semctl
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 515f9eab2b28..813689ef2384 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -325,7 +325,7 @@ sys_call_table:
 	PTR	sys32_sigreturn
 	PTR	sys32_clone			/* 4120 */
 	PTR	sys_setdomainname
-	PTR	sys_32_newuname
+	PTR	sys_newuname
 	PTR	sys_ni_syscall			/* sys_modify_ldt */
 	PTR	compat_sys_adjtimex
 	PTR	sys_mprotect			/* 4125 */
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 3f7f466190b4..e96b1c30c7aa 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -215,48 +215,6 @@ out:
 	return error;
 }
 
-/*
- * Compacrapability ...
- */
-SYSCALL_DEFINE1(uname, struct old_utsname __user *, name)
-{
-	if (name && !copy_to_user(name, utsname(), sizeof (*name)))
-		return 0;
-	return -EFAULT;
-}
-
-/*
- * Compacrapability ...
- */
-SYSCALL_DEFINE1(olduname, struct oldold_utsname __user *, name)
-{
-	int error;
-
-	if (!name)
-		return -EFAULT;
-	if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
-		return -EFAULT;
-
-	error = __copy_to_user(&name->sysname, &utsname()->sysname,
-			       __OLD_UTS_LEN);
-	error -= __put_user(0, name->sysname + __OLD_UTS_LEN);
-	error -= __copy_to_user(&name->nodename, &utsname()->nodename,
-				__OLD_UTS_LEN);
-	error -= __put_user(0, name->nodename + __OLD_UTS_LEN);
-	error -= __copy_to_user(&name->release, &utsname()->release,
-				__OLD_UTS_LEN);
-	error -= __put_user(0, name->release + __OLD_UTS_LEN);
-	error -= __copy_to_user(&name->version, &utsname()->version,
-				__OLD_UTS_LEN);
-	error -= __put_user(0, name->version + __OLD_UTS_LEN);
-	error -= __copy_to_user(&name->machine, &utsname()->machine,
-				__OLD_UTS_LEN);
-	error = __put_user(0, name->machine + __OLD_UTS_LEN);
-	error = error ? -EFAULT : 0;
-
-	return error;
-}
-
 SYSCALL_DEFINE1(set_thread_area, unsigned long, addr)
 {
 	struct thread_info *ti = task_thread_info(current);
@@ -407,94 +365,6 @@ _sys_sysmips(nabi_no_regargs struct pt_regs regs)
 }
 
 /*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, int, second,
-	unsigned long, third, void __user *, ptr, long, fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	switch (call) {
-	case SEMOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr,
-		                      second, NULL);
-	case SEMTIMEDOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr,
-				      second,
-				      (const struct timespec __user *)fifth);
-	case SEMGET:
-		return sys_semget(first, second, third);
-	case SEMCTL: {
-		union semun fourth;
-		if (!ptr)
-			return -EINVAL;
-		if (get_user(fourth.__pad, (void __user *__user *) ptr))
-			return -EFAULT;
-		return sys_semctl(first, second, third, fourth);
-	}
-
-	case MSGSND:
-		return sys_msgsnd(first, (struct msgbuf __user *) ptr,
-				  second, third);
-	case MSGRCV:
-		switch (version) {
-		case 0: {
-			struct ipc_kludge tmp;
-			if (!ptr)
-				return -EINVAL;
-
-			if (copy_from_user(&tmp,
-					   (struct ipc_kludge __user *) ptr,
-					   sizeof(tmp)))
-				return -EFAULT;
-			return sys_msgrcv(first, tmp.msgp, second,
-					  tmp.msgtyp, third);
-		}
-		default:
-			return sys_msgrcv(first,
-					  (struct msgbuf __user *) ptr,
-					  second, fifth, third);
-		}
-	case MSGGET:
-		return sys_msgget((key_t) first, second);
-	case MSGCTL:
-		return sys_msgctl(first, second,
-				  (struct msqid_ds __user *) ptr);
-
-	case SHMAT:
-		switch (version) {
-		default: {
-			unsigned long raddr;
-			ret = do_shmat(first, (char __user *) ptr, second,
-				       &raddr);
-			if (ret)
-				return ret;
-			return put_user(raddr, (unsigned long __user *) third);
-		}
-		case 1:	/* iBCS2 emulator entry point */
-			if (!segment_eq(get_fs(), get_ds()))
-				return -EINVAL;
-			return do_shmat(first, (char __user *) ptr, second,
-				        (unsigned long *) third);
-		}
-	case SHMDT:
-		return sys_shmdt((char __user *)ptr);
-	case SHMGET:
-		return sys_shmget(first, second, third);
-	case SHMCTL:
-		return sys_shmctl(first, second,
-				  (struct shmid_ds __user *) ptr);
-	default:
-		return -ENOSYS;
-	}
-}
-
-/*
  * No implemented yet ...
  */
 SYSCALL_DEFINE3(cachectl, char *, addr, int, nbytes, int, op)
diff --git a/arch/mips/txx9/generic/7segled.c b/arch/mips/txx9/generic/7segled.c
index 727ab21b6618..7f8416f86222 100644
--- a/arch/mips/txx9/generic/7segled.c
+++ b/arch/mips/txx9/generic/7segled.c
@@ -58,13 +58,16 @@ static ssize_t raw_store(struct sys_device *dev,
 static SYSDEV_ATTR(ascii, 0200, NULL, ascii_store);
 static SYSDEV_ATTR(raw, 0200, NULL, raw_store);
 
-static ssize_t map_seg7_show(struct sysdev_class *class, char *buf)
+static ssize_t map_seg7_show(struct sysdev_class *class,
+			     struct sysdev_class_attribute *attr,
+			     char *buf)
 {
 	memcpy(buf, &txx9_seg7map, sizeof(txx9_seg7map));
 	return sizeof(txx9_seg7map);
 }
 
 static ssize_t map_seg7_store(struct sysdev_class *class,
+			      struct sysdev_class_attribute *attr,
 			      const char *buf, size_t size)
 {
 	if (size != sizeof(txx9_seg7map))
diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 7174d830dd05..95184a0a1ae6 100644
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -956,6 +956,7 @@ void __init txx9_sramc_init(struct resource *r)
 	if (!dev->base)
 		goto exit;
 	dev->dev.cls = &txx9_sramc_sysdev_class;
+	sysfs_bin_attr_init(&dev->bindata_attr);
 	dev->bindata_attr.attr.name = "bindata";
 	dev->bindata_attr.attr.mode = S_IRUSR | S_IWUSR;
 	dev->bindata_attr.read = txx9_sram_read;
diff --git a/arch/mn10300/include/asm/dma-mapping.h b/arch/mn10300/include/asm/dma-mapping.h
index ccae8f6c6326..4ed1522b38d2 100644
--- a/arch/mn10300/include/asm/dma-mapping.h
+++ b/arch/mn10300/include/asm/dma-mapping.h
@@ -17,6 +17,11 @@
 #include <asm/cache.h>
 #include <asm/io.h>
 
+/*
+ * See Documentation/DMA-API.txt for the description of how the
+ * following DMA API should work.
+ */
+
 extern void *dma_alloc_coherent(struct device *dev, size_t size,
 				dma_addr_t *dma_handle, int flag);
 
@@ -26,13 +31,6 @@ extern void dma_free_coherent(struct device *dev, size_t size,
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent((d), (s), (h), (f))
 #define dma_free_noncoherent(d, s, v, h)  dma_free_coherent((d), (s), (v), (h))
 
-/*
- * Map a single buffer of the indicated size for DMA in streaming mode.  The
- * 32-bit bus address to use is returned.
- *
- * Once the device is given the dma address, the device owns this memory until
- * either pci_unmap_single or pci_dma_sync_single is performed.
- */
 static inline
 dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 			  enum dma_data_direction direction)
@@ -42,14 +40,6 @@ dma_addr_t dma_map_single(struct device *dev, void *ptr, size_t size,
 	return virt_to_bus(ptr);
 }
 
-/*
- * Unmap a single streaming mode DMA translation.  The dma_addr and size must
- * match what was provided for in a previous pci_map_single call.  All other
- * usages are undefined.
- *
- * After this call, reads by the cpu to the buffer are guarenteed to see
- * whatever the device wrote there.
- */
 static inline
 void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
 		      enum dma_data_direction direction)
@@ -57,20 +47,6 @@ void dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size,
 	BUG_ON(direction == DMA_NONE);
 }
 
-/*
- * Map a set of buffers described by scatterlist in streaming mode for DMA.
- * This is the scather-gather version of the above pci_map_single interface.
- * Here the scatter gather list elements are each tagged with the appropriate
- * dma address and length.  They are obtained via sg_dma_{address,length}(SG).
- *
- * NOTE: An implementation may be able to use a smaller number of DMA
- *       address/length pairs than there are SG table elements.  (for example
- *       via virtual mapping capabilities) The routine returns the number of
- *       addr/length pairs actually used, at most nents.
- *
- * Device ownership issues as mentioned above for pci_map_single are the same
- * here.
- */
 static inline
 int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
 	       enum dma_data_direction direction)
@@ -91,11 +67,6 @@ int dma_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
 	return nents;
 }
 
-/*
- * Unmap a set of streaming mode DMA translations.
- * Again, cpu read rules concerning calls here are the same as for
- * pci_unmap_single() above.
- */
 static inline
 void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
 		  enum dma_data_direction direction)
@@ -103,10 +74,6 @@ void dma_unmap_sg(struct device *dev, struct scatterlist *sg, int nhwentries,
 	BUG_ON(!valid_dma_direction(direction));
 }
 
-/*
- * pci_{map,unmap}_single_page maps a kernel page to a dma_addr_t. identical
- * to pci_map_single, but takes a struct page instead of a virtual address
- */
 static inline
 dma_addr_t dma_map_page(struct device *dev, struct page *page,
 			unsigned long offset, size_t size,
@@ -123,15 +90,6 @@ void dma_unmap_page(struct device *dev, dma_addr_t dma_address, size_t size,
 	BUG_ON(direction == DMA_NONE);
 }
 
-/*
- * Make physical memory consistent for a single streaming mode DMA translation
- * after a transfer.
- *
- * If you perform a pci_map_single() but wish to interrogate the buffer using
- * the cpu, yet do not wish to teardown the PCI dma mapping, you must call this
- * function before doing so.  At the next point you give the PCI dma address
- * back to the card, the device again owns the buffer.
- */
 static inline
 void dma_sync_single_for_cpu(struct device *dev, dma_addr_t dma_handle,
 			     size_t size, enum dma_data_direction direction)
@@ -161,13 +119,6 @@ dma_sync_single_range_for_device(struct device *dev, dma_addr_t dma_handle,
 }
 
 
-/*
- * Make physical memory consistent for a set of streaming mode DMA translations
- * after a transfer.
- *
- * The same as pci_dma_sync_single but for a scatter-gather list, same rules
- * and usage.
- */
 static inline
 void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg,
 			 int nelems, enum dma_data_direction direction)
@@ -187,12 +138,6 @@ int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 	return 0;
 }
 
-/*
- * Return whether the given PCI device DMA address mask can be supported
- * properly.  For example, if your device can only drive the low 24-bits during
- * PCI bus mastering, then you would pass 0x00ffffff as the mask to this
- * function.
- */
 static inline
 int dma_supported(struct device *dev, u64 mask)
 {
diff --git a/arch/mn10300/include/asm/ptrace.h b/arch/mn10300/include/asm/ptrace.h
index 1b0ba5e182b0..7c2e911052b6 100644
--- a/arch/mn10300/include/asm/ptrace.h
+++ b/arch/mn10300/include/asm/ptrace.h
@@ -99,8 +99,6 @@ struct task_struct;
 extern void show_regs(struct pt_regs *);
 
 #define arch_has_single_step()	(1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
 
 #endif  /*  !__ASSEMBLY  */
 
diff --git a/arch/mn10300/include/asm/unistd.h b/arch/mn10300/include/asm/unistd.h
index c05acb95c2a9..9d056f515929 100644
--- a/arch/mn10300/include/asm/unistd.h
+++ b/arch/mn10300/include/asm/unistd.h
@@ -363,6 +363,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -375,6 +376,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_SELECT
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/mn10300/kernel/entry.S b/arch/mn10300/kernel/entry.S
index 88e3e1c3cc21..d9ed5a15c547 100644
--- a/arch/mn10300/kernel/entry.S
+++ b/arch/mn10300/kernel/entry.S
@@ -468,7 +468,7 @@ ENTRY(sys_call_table)
 	.long sys_settimeofday
 	.long sys_getgroups16	/* 80 */
 	.long sys_setgroups16
-	.long old_select
+	.long sys_old_select
 	.long sys_symlink
 	.long sys_lstat
 	.long sys_readlink	/* 85 */
diff --git a/arch/mn10300/kernel/sys_mn10300.c b/arch/mn10300/kernel/sys_mn10300.c
index 17cc6ce04e84..815f1355fad4 100644
--- a/arch/mn10300/kernel/sys_mn10300.c
+++ b/arch/mn10300/kernel/sys_mn10300.c
@@ -31,109 +31,3 @@ asmlinkage long old_mmap(unsigned long addr, unsigned long len,
 		return -EINVAL;
 	return sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
 }
-
-struct sel_arg_struct {
-	unsigned long n;
-	fd_set *inp;
-	fd_set *outp;
-	fd_set *exp;
-	struct timeval *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct __user *arg)
-{
-	struct sel_arg_struct a;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		return -EFAULT;
-	/* sys_select() does the appropriate kernel locking */
-	return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage long sys_ipc(uint call, int first, int second,
-			int third, void __user *ptr, long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	switch (call) {
-	case SEMOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr,
-				      second, NULL);
-	case SEMTIMEDOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr,
-				      second,
-				      (const struct timespec __user *)fifth);
-	case SEMGET:
-		return sys_semget(first, second, third);
-	case SEMCTL: {
-		union semun fourth;
-		if (!ptr)
-			return -EINVAL;
-		if (get_user(fourth.__pad, (void __user * __user *) ptr))
-			return -EFAULT;
-		return sys_semctl(first, second, third, fourth);
-	}
-
-	case MSGSND:
-		return sys_msgsnd(first, (struct msgbuf __user *) ptr,
-				  second, third);
-	case MSGRCV:
-		switch (version) {
-		case 0: {
-			struct ipc_kludge tmp;
-			if (!ptr)
-				return -EINVAL;
-
-			if (copy_from_user(&tmp,
-					   (struct ipc_kludge __user *) ptr,
-					   sizeof(tmp)))
-				return -EFAULT;
-			return sys_msgrcv(first, tmp.msgp, second,
-					  tmp.msgtyp, third);
-		}
-		default:
-			return sys_msgrcv(first,
-					  (struct msgbuf __user *) ptr,
-					   second, fifth, third);
-		}
-	case MSGGET:
-		return sys_msgget((key_t) first, second);
-	case MSGCTL:
-		return sys_msgctl(first, second,
-				   (struct msqid_ds __user *) ptr);
-
-	case SHMAT:
-		switch (version) {
-		default: {
-			ulong raddr;
-			ret = do_shmat(first, (char __user *) ptr, second,
-				       &raddr);
-			if (ret)
-				return ret;
-			return put_user(raddr, (ulong *) third);
-		}
-		case 1:	/* iBCS2 emulator entry point */
-			if (!segment_eq(get_fs(), get_ds()))
-				return -EINVAL;
-			return do_shmat(first, (char __user *) ptr, second,
-					(ulong *) third);
-		}
-	case SHMDT:
-		return sys_shmdt((char __user *)ptr);
-	case SHMGET:
-		return sys_shmget(first, second, third);
-	case SHMCTL:
-		return sys_shmctl(first, second,
-				  (struct shmid_ds __user *) ptr);
-	default:
-		return -EINVAL;
-	}
-}
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig
index f388dc68f605..9c4da3d63bfb 100644
--- a/arch/parisc/Kconfig
+++ b/arch/parisc/Kconfig
@@ -95,6 +95,9 @@ config PM
 config STACKTRACE_SUPPORT
 	def_bool y
 
+config NEED_DMA_MAP_STATE
+	def_bool y
+
 config ISA_DMA_API
 	bool
 
diff --git a/arch/parisc/Kconfig.debug b/arch/parisc/Kconfig.debug
index bc989e522a04..7305ac8f7f5b 100644
--- a/arch/parisc/Kconfig.debug
+++ b/arch/parisc/Kconfig.debug
@@ -12,4 +12,18 @@ config DEBUG_RODATA
          portion of the kernel code won't be covered by a TLB anymore.
          If in doubt, say "N".
 
+config DEBUG_STRICT_USER_COPY_CHECKS
+	bool "Strict copy size checks"
+	depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING
+	---help---
+	  Enabling this option turns a certain set of sanity checks for user
+	  copy operations into compile time failures.
+
+	  The copy_from_user() etc checks are there to help test if there
+	  are sufficient security checks on the length argument of
+	  the copy operation, by having gcc prove that the argument is
+	  within bounds.
+
+	  If unsure, or if you run an older (pre 4.4) gcc, say N.
+
 endmenu
diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h
index 7f32611a7a5e..02b77baa5da6 100644
--- a/arch/parisc/include/asm/compat.h
+++ b/arch/parisc/include/asm/compat.h
@@ -7,7 +7,8 @@
 #include <linux/sched.h>
 #include <linux/thread_info.h>
 
-#define COMPAT_USER_HZ 100
+#define COMPAT_USER_HZ 		100
+#define COMPAT_UTS_MACHINE	"parisc\0\0"
 
 typedef u32	compat_size_t;
 typedef s32	compat_ssize_t;
diff --git a/arch/parisc/include/asm/param.h b/arch/parisc/include/asm/param.h
index 32e03d877858..965d45427975 100644
--- a/arch/parisc/include/asm/param.h
+++ b/arch/parisc/include/asm/param.h
@@ -1,22 +1 @@
-#ifndef _ASMPARISC_PARAM_H
-#define _ASMPARISC_PARAM_H
-
-#ifdef __KERNEL__
-#define HZ		CONFIG_HZ
-#define USER_HZ		100		/* some user API use "ticks" */
-#define CLOCKS_PER_SEC	(USER_HZ)	/* like times() */
-#endif
-
-#ifndef HZ
-#define HZ 100
-#endif
-
-#define EXEC_PAGESIZE	4096
-
-#ifndef NOGROUP
-#define NOGROUP		(-1)
-#endif
-
-#define MAXHOSTNAMELEN	64	/* max length of hostname */
-
-#endif
+#include <asm-generic/param.h>
diff --git a/arch/parisc/include/asm/pci.h b/arch/parisc/include/asm/pci.h
index 64c7aa590ae5..2242a5c636c2 100644
--- a/arch/parisc/include/asm/pci.h
+++ b/arch/parisc/include/asm/pci.h
@@ -183,20 +183,6 @@ struct pci_bios_ops {
 	void (*fixup_bus)(struct pci_bus *bus);
 };
 
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	\
-	dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)		\
-	__u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)			\
-	((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)		\
-	(((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)			\
-	((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)		\
-	(((PTR)->LEN_NAME) = (VAL))
-
 /*
 ** Stuff declared in arch/parisc/kernel/pci.c
 */
diff --git a/arch/parisc/include/asm/ptrace.h b/arch/parisc/include/asm/ptrace.h
index aead40b16dd8..7f09533da771 100644
--- a/arch/parisc/include/asm/ptrace.h
+++ b/arch/parisc/include/asm/ptrace.h
@@ -47,13 +47,8 @@ struct pt_regs {
 
 #define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
 
-struct task_struct;
 #define arch_has_single_step()	1
-void user_disable_single_step(struct task_struct *task);
-void user_enable_single_step(struct task_struct *task);
-
 #define arch_has_block_step()	1
-void user_enable_block_step(struct task_struct *task);
 
 /* XXX should we use iaoq[1] or iaoq[0] ? */
 #define user_mode(regs)			(((regs)->iaoq[0] & 3) ? 1 : 0)
diff --git a/arch/parisc/include/asm/system.h b/arch/parisc/include/asm/system.h
index d91357bca5b4..4653c77bf9d1 100644
--- a/arch/parisc/include/asm/system.h
+++ b/arch/parisc/include/asm/system.h
@@ -160,7 +160,7 @@ static inline void set_eiem(unsigned long val)
    ldcd). */
 
 #define __PA_LDCW_ALIGNMENT	4
-#define __ldcw_align(a) ((volatile unsigned int *)a)
+#define __ldcw_align(a) (&(a)->slock)
 #define __LDCW	"ldcw,co"
 
 #endif /*!CONFIG_PA20*/
diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h
index 7cf799d70b4c..ff4cf9dab8d2 100644
--- a/arch/parisc/include/asm/uaccess.h
+++ b/arch/parisc/include/asm/uaccess.h
@@ -7,6 +7,7 @@
 #include <asm/page.h>
 #include <asm/system.h>
 #include <asm/cache.h>
+#include <asm/errno.h>
 #include <asm-generic/uaccess-unaligned.h>
 
 #define VERIFY_READ 0
@@ -234,13 +235,35 @@ extern long lstrnlen_user(const char __user *,long);
 
 unsigned long copy_to_user(void __user *dst, const void *src, unsigned long len);
 #define __copy_to_user copy_to_user
-unsigned long copy_from_user(void *dst, const void __user *src, unsigned long len);
-#define __copy_from_user copy_from_user
+unsigned long __copy_from_user(void *dst, const void __user *src, unsigned long len);
 unsigned long copy_in_user(void __user *dst, const void __user *src, unsigned long len);
 #define __copy_in_user copy_in_user
 #define __copy_to_user_inatomic __copy_to_user
 #define __copy_from_user_inatomic __copy_from_user
 
+extern void copy_from_user_overflow(void)
+#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
+        __compiletime_error("copy_from_user() buffer size is not provably correct")
+#else
+        __compiletime_warning("copy_from_user() buffer size is not provably correct")
+#endif
+;
+
+static inline unsigned long __must_check copy_from_user(void *to,
+                                          const void __user *from,
+                                          unsigned long n)
+{
+        int sz = __compiletime_object_size(to);
+        int ret = -EFAULT;
+
+        if (likely(sz == -1 || !__builtin_constant_p(n) || sz >= n))
+                ret = __copy_from_user(to, from, n);
+        else
+                copy_from_user_overflow();
+
+        return ret;
+}
+
 struct pt_regs;
 int fixup_exception(struct pt_regs *regs);
 
diff --git a/arch/parisc/include/asm/unistd.h b/arch/parisc/include/asm/unistd.h
index cda158318c62..1ce7d2851d90 100644
--- a/arch/parisc/include/asm/unistd.h
+++ b/arch/parisc/include/asm/unistd.h
@@ -811,8 +811,10 @@
 #define __NR_pwritev		(__NR_Linux + 316)
 #define __NR_rt_tgsigqueueinfo	(__NR_Linux + 317)
 #define __NR_perf_event_open	(__NR_Linux + 318)
+#define __NR_recvmmsg		(__NR_Linux + 319)
+#define __NR_accept4		(__NR_Linux + 320)
 
-#define __NR_Linux_syscalls	(__NR_perf_event_open + 1)
+#define __NR_Linux_syscalls	(__NR_accept4 + 1)
 
 
 #define __IGNORE_select		/* newselect */
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 1054baa2fc69..d054f3da3ff5 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -171,14 +171,14 @@ parisc_cache_init(void)
 		cache_info.ic_conf.cc_cst,
 		cache_info.ic_conf.cc_hv);
 
-	printk("D-TLB conf: sh %d page %d cst %d aid %d pad1 %d \n",
+	printk("D-TLB conf: sh %d page %d cst %d aid %d pad1 %d\n",
 		cache_info.dt_conf.tc_sh,
 		cache_info.dt_conf.tc_page,
 		cache_info.dt_conf.tc_cst,
 		cache_info.dt_conf.tc_aid,
 		cache_info.dt_conf.tc_pad1);
 
-	printk("I-TLB conf: sh %d page %d cst %d aid %d pad1 %d \n",
+	printk("I-TLB conf: sh %d page %d cst %d aid %d pad1 %d\n",
 		cache_info.it_conf.tc_sh,
 		cache_info.it_conf.tc_page,
 		cache_info.it_conf.tc_cst,
diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c
index 9147391afb03..c9b932260f47 100644
--- a/arch/parisc/kernel/sys_parisc.c
+++ b/arch/parisc/kernel/sys_parisc.c
@@ -234,18 +234,3 @@ long parisc_personality(unsigned long personality)
 
 	return err;
 }
-
-long parisc_newuname(struct new_utsname __user *name)
-{
-	int err = sys_newuname(name);
-
-#ifdef CONFIG_COMPAT
-	if (!err && personality(current->personality) == PER_LINUX32) {
-		if (__put_user(0, name->machine + 6) ||
-		    __put_user(0, name->machine + 7))
-			err = -EFAULT;
-	}
-#endif
-
-	return err;
-}
diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S
index 01c4fcf8f481..3d52c978738f 100644
--- a/arch/parisc/kernel/syscall_table.S
+++ b/arch/parisc/kernel/syscall_table.S
@@ -127,7 +127,7 @@
 	ENTRY_SAME(socketpair)
 	ENTRY_SAME(setpgid)
 	ENTRY_SAME(send)
-	ENTRY_OURS(newuname)
+	ENTRY_SAME(newuname)
 	ENTRY_SAME(umask)		/* 60 */
 	ENTRY_SAME(chroot)
 	ENTRY_COMP(ustat)
@@ -417,6 +417,8 @@
 	ENTRY_COMP(pwritev)
 	ENTRY_COMP(rt_tgsigqueueinfo)
 	ENTRY_SAME(perf_event_open)
+	ENTRY_COMP(recvmmsg)
+	ENTRY_SAME(accept4)		/* 320 */
 
 	/* Nothing yet */
 
diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c
index a79c6f9e7e2c..05511ccb61d2 100644
--- a/arch/parisc/kernel/time.c
+++ b/arch/parisc/kernel/time.c
@@ -250,9 +250,21 @@ static int __init rtc_init(void)
 }
 module_init(rtc_init);
 
-void __init time_init(void)
+void read_persistent_clock(struct timespec *ts)
 {
 	static struct pdc_tod tod_data;
+	if (pdc_tod_read(&tod_data) == 0) {
+		ts->tv_sec = tod_data.tod_sec;
+		ts->tv_nsec = tod_data.tod_usec * 1000;
+	} else {
+		printk(KERN_ERR "Error reading tod clock\n");
+	        ts->tv_sec = 0;
+		ts->tv_nsec = 0;
+	}
+}
+
+void __init time_init(void)
+{
 	unsigned long current_cr16_khz;
 
 	clocktick = (100 * PAGE0->mem_10msec) / HZ;
@@ -264,19 +276,4 @@ void __init time_init(void)
 	clocksource_cr16.mult = clocksource_khz2mult(current_cr16_khz,
 						clocksource_cr16.shift);
 	clocksource_register(&clocksource_cr16);
-
-	if (pdc_tod_read(&tod_data) == 0) {
-		unsigned long flags;
-
-		write_seqlock_irqsave(&xtime_lock, flags);
-		xtime.tv_sec = tod_data.tod_sec;
-		xtime.tv_nsec = tod_data.tod_usec * 1000;
-		set_normalized_timespec(&wall_to_monotonic,
-		                        -xtime.tv_sec, -xtime.tv_nsec);
-		write_sequnlock_irqrestore(&xtime_lock, flags);
-	} else {
-		printk(KERN_ERR "Error reading tod clock\n");
-	        xtime.tv_sec = 0;
-		xtime.tv_nsec = 0;
-	}
 }
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index e6f4b7a4b7e3..92d977bb5ea8 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -25,6 +25,7 @@
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/signal.h>
+#include <linux/ratelimit.h>
 #include <asm/uaccess.h>
 
 /* #define DEBUG_UNALIGNED 1 */
@@ -446,8 +447,7 @@ static int emulate_std(struct pt_regs *regs, int frreg, int flop)
 
 void handle_unaligned(struct pt_regs *regs)
 {
-	static unsigned long unaligned_count = 0;
-	static unsigned long last_time = 0;
+	static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5);
 	unsigned long newbase = R1(regs->iir)?regs->gr[R1(regs->iir)]:0;
 	int modify = 0;
 	int ret = ERR_NOTHANDLED;
@@ -460,14 +460,8 @@ void handle_unaligned(struct pt_regs *regs)
 			goto force_sigbus;
 		}
 
-		if (unaligned_count > 5 &&
-				time_after(jiffies, last_time + 5 * HZ)) {
-			unaligned_count = 0;
-			last_time = jiffies;
-		}
-
-		if (!(current->thread.flags & PARISC_UAC_NOPRINT) 
-		    && ++unaligned_count < 5) {
+		if (!(current->thread.flags & PARISC_UAC_NOPRINT) &&
+			__ratelimit(&ratelimit)) {
 			char buf[256];
 			sprintf(buf, "%s(%d): unaligned access to 0x" RFMT " at ip=0x" RFMT "\n",
 				current->comm, task_pid_nr(current), regs->ior, regs->iaoq[0]);
diff --git a/arch/parisc/lib/fixup.S b/arch/parisc/lib/fixup.S
index d172d4245cdc..f8c45cc2947d 100644
--- a/arch/parisc/lib/fixup.S
+++ b/arch/parisc/lib/fixup.S
@@ -36,8 +36,8 @@
 #endif
 	/* t2 = &__per_cpu_offset[smp_processor_id()]; */
 	LDREGX \t2(\t1),\t2 
-	addil LT%per_cpu__exception_data,%r27
-	LDREG RT%per_cpu__exception_data(%r1),\t1
+	addil LT%exception_data,%r27
+	LDREG RT%exception_data(%r1),\t1
 	/* t1 = &__get_cpu_var(exception_data) */
 	add,l \t1,\t2,\t1
 	/* t1 = t1->fault_ip */
@@ -46,8 +46,8 @@
 #else
 	.macro  get_fault_ip t1 t2
 	/* t1 = &__get_cpu_var(exception_data) */
-	addil LT%per_cpu__exception_data,%r27
-	LDREG RT%per_cpu__exception_data(%r1),\t2
+	addil LT%exception_data,%r27
+	LDREG RT%exception_data(%r1),\t2
 	/* t1 = t2->fault_ip */
 	LDREG EXCDATA_IP(\t2), \t1
 	.endm
diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c
index abf41f4632a9..1dbca5c31b3c 100644
--- a/arch/parisc/lib/memcpy.c
+++ b/arch/parisc/lib/memcpy.c
@@ -475,7 +475,8 @@ unsigned long copy_to_user(void __user *dst, const void *src, unsigned long len)
 	return pa_memcpy((void __force *)dst, src, len);
 }
 
-unsigned long copy_from_user(void *dst, const void __user *src, unsigned long len)
+EXPORT_SYMBOL(__copy_from_user);
+unsigned long __copy_from_user(void *dst, const void __user *src, unsigned long len)
 {
 	mtsp(get_user_space(), 1);
 	mtsp(get_kernel_space(), 2);
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 155d571f5e26..2e19500921f9 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -313,19 +313,6 @@ config 8XX_MINIMAL_FPEMU
 
 	  It is recommended that you build a soft-float userspace instead.
 
-config IOMMU_VMERGE
-	bool "Enable IOMMU virtual merging"
-	depends on PPC64
-	default y
-	help
-	  Cause IO segments sent to a device for DMA to be merged virtually
-	  by the IOMMU when they happen to have been allocated contiguously.
-	  This doesn't add pressure to the IOMMU allocator. However, some
-	  drivers don't support getting large merged segments coming back
-	  from *_map_sg().
-
-	  Most drivers don't have this problem; it is safe to say Y here.
-
 config IOMMU_HELPER
 	def_bool PPC64
 
@@ -672,6 +659,9 @@ config ZONE_DMA
 	bool
 	default y
 
+config NEED_DMA_MAP_STATE
+	def_bool (PPC64 || NOT_COHERENT_CACHE)
+
 config GENERIC_ISA_DMA
 	bool
 	depends on PPC64 || POWER4 || 6xx && !CPM2
diff --git a/arch/powerpc/boot/dts/gef_ppc9a.dts b/arch/powerpc/boot/dts/gef_ppc9a.dts
index 977f260d5e64..83f4b79dff85 100644
--- a/arch/powerpc/boot/dts/gef_ppc9a.dts
+++ b/arch/powerpc/boot/dts/gef_ppc9a.dts
@@ -1,7 +1,7 @@
 /*
- * GE Fanuc PPC9A Device Tree Source
+ * GE PPC9A Device Tree Source
  *
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
diff --git a/arch/powerpc/boot/dts/gef_sbc310.dts b/arch/powerpc/boot/dts/gef_sbc310.dts
index 8e4efff3bda1..fc3a331dd392 100644
--- a/arch/powerpc/boot/dts/gef_sbc310.dts
+++ b/arch/powerpc/boot/dts/gef_sbc310.dts
@@ -1,7 +1,7 @@
 /*
- * GE Fanuc SBC310 Device Tree Source
+ * GE SBC310 Device Tree Source
  *
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
diff --git a/arch/powerpc/boot/dts/gef_sbc610.dts b/arch/powerpc/boot/dts/gef_sbc610.dts
index bb7060078fb4..c0671cc98125 100644
--- a/arch/powerpc/boot/dts/gef_sbc610.dts
+++ b/arch/powerpc/boot/dts/gef_sbc610.dts
@@ -1,7 +1,7 @@
 /*
- * GE Fanuc SBC610 Device Tree Source
+ * GE SBC610 Device Tree Source
  *
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
diff --git a/arch/powerpc/boot/dts/kmeter1.dts b/arch/powerpc/boot/dts/kmeter1.dts
index 65b8b4f27efe..d8b5d12fb663 100644
--- a/arch/powerpc/boot/dts/kmeter1.dts
+++ b/arch/powerpc/boot/dts/kmeter1.dts
@@ -490,7 +490,7 @@
 			compatible = "cfi-flash";
 			/*
 			 * The Intel P30 chip has 2 non-identical chips on
-			 * one die, so we need to define 2 seperate regions
+			 * one die, so we need to define 2 separate regions
 			 * that are scanned by physmap_of independantly.
 			 */
 			reg = <0 0x00000000 0x02000000
diff --git a/arch/powerpc/configs/52xx/cm5200_defconfig b/arch/powerpc/configs/52xx/cm5200_defconfig
index ff9bdb28197d..218d49b36a0c 100644
--- a/arch/powerpc/configs/52xx/cm5200_defconfig
+++ b/arch/powerpc/configs/52xx/cm5200_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc2
-# Wed Dec 30 14:45:07 2009
+# Linux kernel version: 2.6.34-rc1
+# Wed Mar 10 14:34:22 2010
 #
 # CONFIG_PPC64 is not set
 
@@ -94,11 +94,6 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-# CONFIG_RT_GROUP_SCHED is not set
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -109,6 +104,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_GZIP=y
 # CONFIG_RD_BZIP2 is not set
 # CONFIG_RD_LZMA is not set
+# CONFIG_RD_LZO is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -340,7 +336,6 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=y
@@ -517,6 +512,8 @@ CONFIG_MTD_PHYSMAP_OF=y
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
+CONFIG_OF_FLATTREE=y
+CONFIG_OF_DYNAMIC=y
 CONFIG_OF_DEVICE=y
 CONFIG_OF_I2C=y
 CONFIG_OF_MDIO=y
@@ -684,6 +681,7 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_SERIAL_MPC52xx=y
 CONFIG_SERIAL_MPC52xx_CONSOLE=y
 CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD=57600
+# CONFIG_SERIAL_TIMBERDALE is not set
 # CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
@@ -714,6 +712,7 @@ CONFIG_I2C_HELPER_AUTO=y
 CONFIG_I2C_MPC=y
 # CONFIG_I2C_OCORES is not set
 # CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
 
 #
 # External I2C/SMBus adapter drivers
@@ -754,6 +753,7 @@ CONFIG_WATCHDOG=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_MAX63XX_WATCHDOG is not set
 # CONFIG_MPC5200_WDT is not set
 
 #
@@ -771,18 +771,20 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 # CONFIG_MFD_CORE is not set
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
 # CONFIG_AB3100_CORE is not set
-# CONFIG_MFD_88PM8607 is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
@@ -813,7 +815,6 @@ CONFIG_USB=y
 CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_DEVICE_CLASS is not set
 # CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_SUSPEND is not set
 # CONFIG_USB_OTG is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
@@ -891,7 +892,6 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
-# CONFIG_USB_BERRY_CHARGE is not set
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
@@ -903,7 +903,6 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
 # CONFIG_USB_ISIGHTFW is not set
-# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 
 #
@@ -1009,6 +1008,7 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
diff --git a/arch/powerpc/configs/52xx/lite5200b_defconfig b/arch/powerpc/configs/52xx/lite5200b_defconfig
index 7b3f4d0ed404..90492ff25232 100644
--- a/arch/powerpc/configs/52xx/lite5200b_defconfig
+++ b/arch/powerpc/configs/52xx/lite5200b_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc2
-# Wed Dec 30 14:45:09 2009
+# Linux kernel version: 2.6.34-rc1
+# Wed Mar 10 14:34:24 2010
 #
 # CONFIG_PPC64 is not set
 
@@ -95,11 +95,6 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_GROUP_SCHED=y
-# CONFIG_FAIR_GROUP_SCHED is not set
-# CONFIG_RT_GROUP_SCHED is not set
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -110,6 +105,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_GZIP=y
 # CONFIG_RD_BZIP2 is not set
 # CONFIG_RD_LZMA is not set
+# CONFIG_RD_LZO is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -317,6 +313,7 @@ CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_HIBERNATION is not set
 # CONFIG_PM_RUNTIME is not set
+CONFIG_PM_OPS=y
 CONFIG_SECCOMP=y
 CONFIG_ISA_DMA_API=y
 
@@ -333,7 +330,6 @@ CONFIG_PCI_SYSCALL=y
 # CONFIG_PCIEPORTBUS is not set
 CONFIG_ARCH_SUPPORTS_MSI=y
 # CONFIG_PCI_MSI is not set
-CONFIG_PCI_LEGACY=y
 # CONFIG_PCI_DEBUG is not set
 # CONFIG_PCI_STUB is not set
 # CONFIG_PCI_IOV is not set
@@ -360,7 +356,6 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=m
@@ -457,6 +452,8 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_SYS_HYPERVISOR is not set
 # CONFIG_CONNECTOR is not set
 # CONFIG_MTD is not set
+CONFIG_OF_FLATTREE=y
+CONFIG_OF_DYNAMIC=y
 CONFIG_OF_DEVICE=y
 CONFIG_OF_I2C=y
 CONFIG_OF_MDIO=y
@@ -631,6 +628,7 @@ CONFIG_ATA_SFF=y
 # CONFIG_PATA_IT821X is not set
 # CONFIG_PATA_IT8213 is not set
 # CONFIG_PATA_JMICRON is not set
+# CONFIG_PATA_LEGACY is not set
 # CONFIG_PATA_TRIFLEX is not set
 # CONFIG_PATA_MARVELL is not set
 CONFIG_PATA_MPC52xx=y
@@ -668,7 +666,7 @@ CONFIG_PATA_MPC52xx=y
 #
 
 #
-# See the help texts for more information.
+# The newer stack is recommended.
 #
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
@@ -768,6 +766,7 @@ CONFIG_CHELSIO_T3_DEPENDS=y
 # CONFIG_MLX4_CORE is not set
 # CONFIG_TEHUTI is not set
 # CONFIG_BNX2X is not set
+# CONFIG_QLCNIC is not set
 # CONFIG_QLGE is not set
 # CONFIG_SFC is not set
 # CONFIG_BE2NET is not set
@@ -828,6 +827,7 @@ CONFIG_SERIAL_MPC52xx=y
 CONFIG_SERIAL_MPC52xx_CONSOLE=y
 CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD=115200
 # CONFIG_SERIAL_JSM is not set
+# CONFIG_SERIAL_TIMBERDALE is not set
 # CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
@@ -879,6 +879,7 @@ CONFIG_I2C_HELPER_AUTO=y
 CONFIG_I2C_MPC=y
 # CONFIG_I2C_OCORES is not set
 # CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
 
 #
 # External I2C/SMBus adapter drivers
@@ -924,18 +925,21 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 # CONFIG_MFD_CORE is not set
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
 # CONFIG_AB3100_CORE is not set
-# CONFIG_MFD_88PM8607 is not set
+# CONFIG_LPC_SCH is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
@@ -944,6 +948,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_AGP is not set
 CONFIG_VGA_ARB=y
+CONFIG_VGA_ARB_MAX_GPUS=16
 # CONFIG_DRM is not set
 # CONFIG_VGASTATE is not set
 CONFIG_VIDEO_OUTPUT_CONTROL=m
@@ -1062,6 +1067,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_BEFS_FS is not set
 # CONFIG_BFS_FS is not set
 # CONFIG_EFS_FS is not set
+# CONFIG_LOGFS is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
diff --git a/arch/powerpc/configs/52xx/motionpro_defconfig b/arch/powerpc/configs/52xx/motionpro_defconfig
index eaae2d469aa0..dffc8cac825f 100644
--- a/arch/powerpc/configs/52xx/motionpro_defconfig
+++ b/arch/powerpc/configs/52xx/motionpro_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc2
-# Wed Dec 30 14:45:08 2009
+# Linux kernel version: 2.6.34-rc1
+# Wed Mar 10 14:34:23 2010
 #
 # CONFIG_PPC64 is not set
 
@@ -94,11 +94,6 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-# CONFIG_RT_GROUP_SCHED is not set
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -109,6 +104,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_GZIP=y
 # CONFIG_RD_BZIP2 is not set
 # CONFIG_RD_LZMA is not set
+# CONFIG_RD_LZO is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -341,7 +337,6 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=y
@@ -518,6 +513,8 @@ CONFIG_MTD_ROM=y
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
+CONFIG_OF_FLATTREE=y
+CONFIG_OF_DYNAMIC=y
 CONFIG_OF_DEVICE=y
 CONFIG_OF_I2C=y
 CONFIG_OF_MDIO=y
@@ -699,6 +696,7 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_SERIAL_MPC52xx=y
 CONFIG_SERIAL_MPC52xx_CONSOLE=y
 CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD=115200
+# CONFIG_SERIAL_TIMBERDALE is not set
 # CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
@@ -728,6 +726,7 @@ CONFIG_I2C_HELPER_AUTO=y
 CONFIG_I2C_MPC=y
 # CONFIG_I2C_OCORES is not set
 # CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
 
 #
 # External I2C/SMBus adapter drivers
@@ -773,10 +772,11 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1029 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7411 is not set
 # CONFIG_SENSORS_ADT7462 is not set
 # CONFIG_SENSORS_ADT7470 is not set
-# CONFIG_SENSORS_ADT7473 is not set
 # CONFIG_SENSORS_ADT7475 is not set
+# CONFIG_SENSORS_ASC7621 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_F71805F is not set
@@ -811,6 +811,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_AMC6821 is not set
 # CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_TMP401 is not set
 # CONFIG_SENSORS_TMP421 is not set
@@ -831,6 +832,7 @@ CONFIG_WATCHDOG=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_MAX63XX_WATCHDOG is not set
 # CONFIG_MPC5200_WDT is not set
 CONFIG_SSB_POSSIBLE=y
 
@@ -843,18 +845,20 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 # CONFIG_MFD_CORE is not set
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
 # CONFIG_AB3100_CORE is not set
-# CONFIG_MFD_88PM8607 is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
@@ -1050,6 +1054,7 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
diff --git a/arch/powerpc/configs/52xx/pcm030_defconfig b/arch/powerpc/configs/52xx/pcm030_defconfig
index 1742c0200b75..3cb2a522046a 100644
--- a/arch/powerpc/configs/52xx/pcm030_defconfig
+++ b/arch/powerpc/configs/52xx/pcm030_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc2
-# Wed Dec 30 14:45:10 2009
+# Linux kernel version: 2.6.34-rc1
+# Wed Mar 10 14:34:25 2010
 #
 # CONFIG_PPC64 is not set
 
@@ -97,11 +97,6 @@ CONFIG_RCU_FANOUT=32
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-# CONFIG_RT_GROUP_SCHED is not set
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -326,7 +321,6 @@ CONFIG_PCI_SYSCALL=y
 # CONFIG_PCIEPORTBUS is not set
 CONFIG_ARCH_SUPPORTS_MSI=y
 # CONFIG_PCI_MSI is not set
-CONFIG_PCI_LEGACY=y
 # CONFIG_PCI_STUB is not set
 # CONFIG_PCI_IOV is not set
 # CONFIG_PCCARD is not set
@@ -352,7 +346,6 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
@@ -525,6 +518,8 @@ CONFIG_MTD_PHYSMAP=y
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
+CONFIG_OF_FLATTREE=y
+CONFIG_OF_DYNAMIC=y
 CONFIG_OF_DEVICE=y
 CONFIG_OF_I2C=y
 CONFIG_OF_MDIO=y
@@ -610,6 +605,7 @@ CONFIG_ATA_SFF=y
 # CONFIG_PATA_IT821X is not set
 # CONFIG_PATA_IT8213 is not set
 # CONFIG_PATA_JMICRON is not set
+# CONFIG_PATA_LEGACY is not set
 # CONFIG_PATA_TRIFLEX is not set
 # CONFIG_PATA_MARVELL is not set
 CONFIG_PATA_MPC52xx=m
@@ -647,7 +643,7 @@ CONFIG_PATA_MPC52xx=m
 #
 
 #
-# See the help texts for more information.
+# The newer stack is recommended.
 #
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
@@ -775,6 +771,7 @@ CONFIG_SERIAL_MPC52xx=y
 CONFIG_SERIAL_MPC52xx_CONSOLE=y
 CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD=9600
 # CONFIG_SERIAL_JSM is not set
+# CONFIG_SERIAL_TIMBERDALE is not set
 # CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
@@ -824,6 +821,7 @@ CONFIG_I2C_HELPER_AUTO=y
 CONFIG_I2C_MPC=y
 # CONFIG_I2C_OCORES is not set
 # CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
 
 #
 # External I2C/SMBus adapter drivers
@@ -870,18 +868,21 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 # CONFIG_MFD_CORE is not set
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
 # CONFIG_AB3100_CORE is not set
-# CONFIG_MFD_88PM8607 is not set
+# CONFIG_LPC_SCH is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
@@ -890,6 +891,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_AGP is not set
 CONFIG_VGA_ARB=y
+CONFIG_VGA_ARB_MAX_GPUS=16
 # CONFIG_DRM is not set
 # CONFIG_VGASTATE is not set
 # CONFIG_VIDEO_OUTPUT_CONTROL is not set
@@ -997,7 +999,6 @@ CONFIG_USB_STORAGE=m
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
-# CONFIG_USB_BERRY_CHARGE is not set
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
@@ -1009,7 +1010,6 @@ CONFIG_USB_STORAGE=m
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
 # CONFIG_USB_ISIGHTFW is not set
-# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 
 #
@@ -1172,6 +1172,7 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
+# CONFIG_LOGFS is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
diff --git a/arch/powerpc/configs/52xx/tqm5200_defconfig b/arch/powerpc/configs/52xx/tqm5200_defconfig
index 3972438db719..96181c62abfa 100644
--- a/arch/powerpc/configs/52xx/tqm5200_defconfig
+++ b/arch/powerpc/configs/52xx/tqm5200_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc2
-# Wed Dec 30 14:45:09 2009
+# Linux kernel version: 2.6.34-rc1
+# Wed Mar 10 14:34:24 2010
 #
 # CONFIG_PPC64 is not set
 
@@ -94,11 +94,6 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-# CONFIG_RT_GROUP_SCHED is not set
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
@@ -109,6 +104,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_GZIP=y
 # CONFIG_RD_BZIP2 is not set
 # CONFIG_RD_LZMA is not set
+# CONFIG_RD_LZO is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
@@ -346,7 +342,6 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=y
@@ -524,6 +519,8 @@ CONFIG_MTD_PHYSMAP_OF=y
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
+CONFIG_OF_FLATTREE=y
+CONFIG_OF_DYNAMIC=y
 CONFIG_OF_DEVICE=y
 CONFIG_OF_I2C=y
 CONFIG_OF_MDIO=y
@@ -704,6 +701,7 @@ CONFIG_SERIAL_CORE_CONSOLE=y
 CONFIG_SERIAL_MPC52xx=y
 CONFIG_SERIAL_MPC52xx_CONSOLE=y
 CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD=115200
+# CONFIG_SERIAL_TIMBERDALE is not set
 # CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
@@ -733,6 +731,7 @@ CONFIG_I2C_HELPER_AUTO=y
 CONFIG_I2C_MPC=y
 # CONFIG_I2C_OCORES is not set
 # CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
 
 #
 # External I2C/SMBus adapter drivers
@@ -780,10 +779,11 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1029 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7411 is not set
 # CONFIG_SENSORS_ADT7462 is not set
 # CONFIG_SENSORS_ADT7470 is not set
-# CONFIG_SENSORS_ADT7473 is not set
 # CONFIG_SENSORS_ADT7475 is not set
+# CONFIG_SENSORS_ASC7621 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_F71805F is not set
@@ -818,6 +818,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_AMC6821 is not set
 # CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_TMP401 is not set
 # CONFIG_SENSORS_TMP421 is not set
@@ -838,6 +839,7 @@ CONFIG_WATCHDOG=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_MAX63XX_WATCHDOG is not set
 # CONFIG_MPC5200_WDT is not set
 
 #
@@ -855,18 +857,20 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 # CONFIG_MFD_CORE is not set
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
 # CONFIG_AB3100_CORE is not set
-# CONFIG_MFD_88PM8607 is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
@@ -897,7 +901,6 @@ CONFIG_USB=y
 CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_DEVICE_CLASS is not set
 # CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_SUSPEND is not set
 # CONFIG_USB_OTG is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
@@ -975,7 +978,6 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
-# CONFIG_USB_BERRY_CHARGE is not set
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
@@ -987,7 +989,6 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
 # CONFIG_USB_ISIGHTFW is not set
-# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 
 #
@@ -1151,6 +1152,7 @@ CONFIG_JFFS2_ZLIB=y
 # CONFIG_JFFS2_LZO is not set
 CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
diff --git a/arch/powerpc/configs/mpc5200_defconfig b/arch/powerpc/configs/mpc5200_defconfig
index 61cf73d0000f..7012ac0134f0 100644
--- a/arch/powerpc/configs/mpc5200_defconfig
+++ b/arch/powerpc/configs/mpc5200_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc2
-# Wed Dec 30 15:08:52 2009
+# Linux kernel version: 2.6.34-rc1
+# Wed Mar 10 14:38:54 2010
 #
 # CONFIG_PPC64 is not set
 
@@ -96,30 +96,37 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
-# CONFIG_GROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
 CONFIG_SYSFS_DEPRECATED=y
 CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
-# CONFIG_NAMESPACES is not set
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_IPC_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
+# CONFIG_NET_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_RD_GZIP=y
-# CONFIG_RD_BZIP2 is not set
-# CONFIG_RD_LZMA is not set
+CONFIG_RD_BZIP2=y
+CONFIG_RD_LZMA=y
+CONFIG_RD_LZO=y
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SYSCTL=y
 CONFIG_ANON_INODES=y
-CONFIG_EMBEDDED=y
-# CONFIG_SYSCTL_SYSCALL is not set
-# CONFIG_KALLSYMS is not set
+# CONFIG_EMBEDDED is not set
+CONFIG_SYSCTL_SYSCALL=y
+CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
+# CONFIG_KALLSYMS_EXTRA_PASS is not set
 CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
-# CONFIG_EPOLL is not set
+CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
@@ -141,6 +148,7 @@ CONFIG_SLUB=y
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
 CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
 CONFIG_HAVE_IOREMAP_PROT=y
 CONFIG_HAVE_KPROBES=y
@@ -320,6 +328,7 @@ CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_HIBERNATION is not set
 # CONFIG_PM_RUNTIME is not set
+CONFIG_PM_OPS=y
 CONFIG_SECCOMP=y
 CONFIG_ISA_DMA_API=y
 
@@ -336,7 +345,6 @@ CONFIG_PCI_SYSCALL=y
 # CONFIG_PCIEPORTBUS is not set
 CONFIG_ARCH_SUPPORTS_MSI=y
 # CONFIG_PCI_MSI is not set
-CONFIG_PCI_LEGACY=y
 # CONFIG_PCI_DEBUG is not set
 # CONFIG_PCI_STUB is not set
 # CONFIG_PCI_IOV is not set
@@ -363,7 +371,6 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
 CONFIG_XFRM=y
 CONFIG_XFRM_USER=m
@@ -454,7 +461,9 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 # CONFIG_DEVTMPFS is not set
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
-# CONFIG_FW_LOADER is not set
+CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_DEBUG_DRIVER is not set
 # CONFIG_DEBUG_DEVRES is not set
 # CONFIG_SYS_HYPERVISOR is not set
@@ -554,6 +563,8 @@ CONFIG_MTD_UBI_BEB_RESERVE=1
 # UBI debugging options
 #
 # CONFIG_MTD_UBI_DEBUG is not set
+CONFIG_OF_FLATTREE=y
+CONFIG_OF_DYNAMIC=y
 CONFIG_OF_DEVICE=y
 CONFIG_OF_GPIO=y
 CONFIG_OF_I2C=y
@@ -732,6 +743,7 @@ CONFIG_ATA_SFF=y
 # CONFIG_PATA_IT821X is not set
 # CONFIG_PATA_IT8213 is not set
 # CONFIG_PATA_JMICRON is not set
+# CONFIG_PATA_LEGACY is not set
 # CONFIG_PATA_TRIFLEX is not set
 # CONFIG_PATA_MARVELL is not set
 CONFIG_PATA_MPC52xx=y
@@ -770,7 +782,7 @@ CONFIG_PATA_PLATFORM=y
 #
 
 #
-# See the help texts for more information.
+# The newer stack is recommended.
 #
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
@@ -929,6 +941,7 @@ CONFIG_SERIAL_MPC52xx=y
 CONFIG_SERIAL_MPC52xx_CONSOLE=y
 CONFIG_SERIAL_MPC52xx_CONSOLE_BAUD=115200
 # CONFIG_SERIAL_JSM is not set
+# CONFIG_SERIAL_TIMBERDALE is not set
 # CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
@@ -981,6 +994,7 @@ CONFIG_I2C_ALGOBIT=y
 CONFIG_I2C_MPC=y
 # CONFIG_I2C_OCORES is not set
 # CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
 
 #
 # External I2C/SMBus adapter drivers
@@ -1010,9 +1024,9 @@ CONFIG_SPI_MASTER=y
 #
 # SPI Master Controller Drivers
 #
-# CONFIG_SPI_BITBANG is not set
-# CONFIG_SPI_GPIO is not set
-# CONFIG_SPI_MPC52xx is not set
+CONFIG_SPI_BITBANG=m
+CONFIG_SPI_GPIO=m
+CONFIG_SPI_MPC52xx=m
 CONFIG_SPI_MPC52xx_PSC=m
 # CONFIG_SPI_XILINX is not set
 # CONFIG_SPI_DESIGNWARE is not set
@@ -1036,14 +1050,18 @@ CONFIG_GPIOLIB=y
 #
 # Memory mapped GPIO expanders:
 #
+# CONFIG_GPIO_IT8761E is not set
 # CONFIG_GPIO_XILINX is not set
+# CONFIG_GPIO_SCH is not set
 
 #
 # I2C GPIO expanders:
 #
+# CONFIG_GPIO_MAX7300 is not set
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
@@ -1080,10 +1098,11 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1029 is not set
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
+# CONFIG_SENSORS_ADT7411 is not set
 # CONFIG_SENSORS_ADT7462 is not set
 # CONFIG_SENSORS_ADT7470 is not set
-# CONFIG_SENSORS_ADT7473 is not set
 # CONFIG_SENSORS_ADT7475 is not set
+# CONFIG_SENSORS_ASC7621 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_I5K_AMB is not set
@@ -1123,6 +1142,7 @@ CONFIG_HWMON=y
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
 # CONFIG_SENSORS_ADS7828 is not set
+# CONFIG_SENSORS_AMC6821 is not set
 # CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_TMP401 is not set
 # CONFIG_SENSORS_TMP421 is not set
@@ -1147,6 +1167,7 @@ CONFIG_WATCHDOG=y
 # Watchdog Device Drivers
 #
 # CONFIG_SOFT_WATCHDOG is not set
+# CONFIG_MAX63XX_WATCHDOG is not set
 # CONFIG_ALIM7101_WDT is not set
 # CONFIG_MPC5200_WDT is not set
 # CONFIG_WATCHDOG_RTAS is not set
@@ -1172,22 +1193,27 @@ CONFIG_SSB_POSSIBLE=y
 # Multifunction device drivers
 #
 # CONFIG_MFD_CORE is not set
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_HTC_I2CPLD is not set
 # CONFIG_TPS65010 is not set
 # CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
 # CONFIG_MFD_MC13783 is not set
 # CONFIG_AB3100_CORE is not set
 # CONFIG_EZX_PCAP is not set
-# CONFIG_MFD_88PM8607 is not set
 # CONFIG_AB4500_CORE is not set
+# CONFIG_MFD_TIMBERDALE is not set
+# CONFIG_LPC_SCH is not set
 # CONFIG_REGULATOR is not set
 # CONFIG_MEDIA_SUPPORT is not set
 
@@ -1196,6 +1222,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_AGP is not set
 CONFIG_VGA_ARB=y
+CONFIG_VGA_ARB_MAX_GPUS=16
 CONFIG_DRM=y
 # CONFIG_DRM_TDFX is not set
 # CONFIG_DRM_R128 is not set
@@ -1309,32 +1336,46 @@ CONFIG_USB_HID=y
 #
 # Special HID drivers
 #
+# CONFIG_HID_3M_PCT is not set
 CONFIG_HID_A4TECH=y
-# CONFIG_HID_APPLE is not set
+CONFIG_HID_APPLE=y
 CONFIG_HID_BELKIN=y
 CONFIG_HID_CHERRY=y
-# CONFIG_HID_CHICONY is not set
+CONFIG_HID_CHICONY=y
 CONFIG_HID_CYPRESS=y
-# CONFIG_HID_DRAGONRISE is not set
+CONFIG_HID_DRAGONRISE=y
+# CONFIG_DRAGONRISE_FF is not set
 CONFIG_HID_EZKEY=y
-# CONFIG_HID_KYE is not set
-# CONFIG_HID_GYRATION is not set
-# CONFIG_HID_TWINHAN is not set
-# CONFIG_HID_KENSINGTON is not set
-# CONFIG_HID_LOGITECH is not set
-# CONFIG_HID_MICROSOFT is not set
-# CONFIG_HID_MONTEREY is not set
+CONFIG_HID_KYE=y
+CONFIG_HID_GYRATION=y
+CONFIG_HID_TWINHAN=y
+CONFIG_HID_KENSINGTON=y
+CONFIG_HID_LOGITECH=y
+# CONFIG_LOGITECH_FF is not set
+# CONFIG_LOGIRUMBLEPAD2_FF is not set
+# CONFIG_LOGIG940_FF is not set
+CONFIG_HID_MICROSOFT=y
+# CONFIG_HID_MOSART is not set
+CONFIG_HID_MONTEREY=y
 # CONFIG_HID_NTRIG is not set
-# CONFIG_HID_PANTHERLORD is not set
-# CONFIG_HID_PETALYNX is not set
-# CONFIG_HID_SAMSUNG is not set
-# CONFIG_HID_SONY is not set
-# CONFIG_HID_SUNPLUS is not set
-# CONFIG_HID_GREENASIA is not set
-# CONFIG_HID_SMARTJOYPLUS is not set
-# CONFIG_HID_TOPSEED is not set
-# CONFIG_HID_THRUSTMASTER is not set
-# CONFIG_HID_ZEROPLUS is not set
+CONFIG_HID_ORTEK=y
+CONFIG_HID_PANTHERLORD=y
+# CONFIG_PANTHERLORD_FF is not set
+CONFIG_HID_PETALYNX=y
+# CONFIG_HID_QUANTA is not set
+CONFIG_HID_SAMSUNG=y
+CONFIG_HID_SONY=y
+# CONFIG_HID_STANTUM is not set
+CONFIG_HID_SUNPLUS=y
+CONFIG_HID_GREENASIA=y
+# CONFIG_GREENASIA_FF is not set
+CONFIG_HID_SMARTJOYPLUS=y
+# CONFIG_SMARTJOYPLUS_FF is not set
+CONFIG_HID_TOPSEED=y
+CONFIG_HID_THRUSTMASTER=y
+# CONFIG_THRUSTMASTER_FF is not set
+CONFIG_HID_ZEROPLUS=y
+# CONFIG_ZEROPLUS_FF is not set
 CONFIG_USB_SUPPORT=y
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
@@ -1349,10 +1390,7 @@ CONFIG_USB=y
 CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_DEVICE_CLASS is not set
 # CONFIG_USB_DYNAMIC_MINORS is not set
-# CONFIG_USB_SUSPEND is not set
 # CONFIG_USB_OTG is not set
-# CONFIG_USB_OTG_WHITELIST is not set
-# CONFIG_USB_OTG_BLACKLIST_HUB is not set
 CONFIG_USB_MON=y
 # CONFIG_USB_WUSB is not set
 # CONFIG_USB_WUSB_CBAF is not set
@@ -1433,7 +1471,6 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
-# CONFIG_USB_BERRY_CHARGE is not set
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
@@ -1445,7 +1482,6 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
 # CONFIG_USB_ISIGHTFW is not set
-# CONFIG_USB_VST is not set
 # CONFIG_USB_GADGET is not set
 
 #
@@ -1636,6 +1672,7 @@ CONFIG_UBIFS_FS=m
 CONFIG_UBIFS_FS_LZO=y
 CONFIG_UBIFS_FS_ZLIB=y
 # CONFIG_UBIFS_FS_DEBUG is not set
+# CONFIG_LOGFS is not set
 CONFIG_CRAMFS=y
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
@@ -1730,8 +1767,11 @@ CONFIG_CRC32=y
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
 CONFIG_LZO_COMPRESS=m
-CONFIG_LZO_DECOMPRESS=m
+CONFIG_LZO_DECOMPRESS=y
 CONFIG_DECOMPRESS_GZIP=y
+CONFIG_DECOMPRESS_BZIP2=y
+CONFIG_DECOMPRESS_LZMA=y
+CONFIG_DECOMPRESS_LZO=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
@@ -1776,11 +1816,11 @@ CONFIG_SCHED_DEBUG=y
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
 # CONFIG_DEBUG_KOBJECT is not set
-# CONFIG_DEBUG_BUGVERBOSE is not set
+CONFIG_DEBUG_BUGVERBOSE=y
 CONFIG_DEBUG_INFO=y
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
-# CONFIG_DEBUG_MEMORY_INIT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 # CONFIG_DEBUG_NOTIFIERS is not set
diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h
index c1b475a941eb..a9b91ed3d4b9 100644
--- a/arch/powerpc/include/asm/asm-compat.h
+++ b/arch/powerpc/include/asm/asm-compat.h
@@ -28,6 +28,7 @@
 #define PPC_LLARX(t, a, b, eh)	PPC_LDARX(t, a, b, eh)
 #define PPC_STLCX	stringify_in_c(stdcx.)
 #define PPC_CNTLZL	stringify_in_c(cntlzd)
+#define PPC_LR_STKOFF	16
 
 /* Move to CR, single-entry optimized version. Only available
  * on POWER4 and later.
@@ -51,6 +52,7 @@
 #define PPC_STLCX	stringify_in_c(stwcx.)
 #define PPC_CNTLZL	stringify_in_c(cntlzw)
 #define PPC_MTOCRF	stringify_in_c(mtcrf)
+#define PPC_LR_STKOFF	4
 
 #endif
 
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index 4774c2f92232..396d21a80058 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -7,7 +7,8 @@
 #include <linux/types.h>
 #include <linux/sched.h>
 
-#define COMPAT_USER_HZ	100
+#define COMPAT_USER_HZ		100
+#define COMPAT_UTS_MACHINE	"ppc\0\0"
 
 typedef u32		compat_size_t;
 typedef s32		compat_ssize_t;
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 80a973bb9e71..c85ef230135b 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -127,9 +127,6 @@ static inline int dma_supported(struct device *dev, u64 mask)
 	return dma_ops->dma_supported(dev, mask);
 }
 
-/* We have our own implementation of pci_set_dma_mask() */
-#define HAVE_ARCH_PCI_SET_DMA_MASK
-
 static inline int dma_set_mask(struct device *dev, u64 dma_mask)
 {
 	struct dma_map_ops *dma_ops = get_dma_ops(dev);
diff --git a/arch/powerpc/include/asm/kvm_asm.h b/arch/powerpc/include/asm/kvm_asm.h
index af2abe74f544..aadf2dd6f84e 100644
--- a/arch/powerpc/include/asm/kvm_asm.h
+++ b/arch/powerpc/include/asm/kvm_asm.h
@@ -97,4 +97,10 @@
 #define RESUME_HOST             RESUME_FLAG_HOST
 #define RESUME_HOST_NV          (RESUME_FLAG_HOST|RESUME_FLAG_NV)
 
+#define KVM_GUEST_MODE_NONE	0
+#define KVM_GUEST_MODE_GUEST	1
+#define KVM_GUEST_MODE_SKIP	2
+
+#define KVM_INST_FETCH_FAILED	-1
+
 #endif /* __POWERPC_KVM_ASM_H__ */
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 74b7369770d0..db7db0a96967 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -22,7 +22,7 @@
 
 #include <linux/types.h>
 #include <linux/kvm_host.h>
-#include <asm/kvm_ppc.h>
+#include <asm/kvm_book3s_64_asm.h>
 
 struct kvmppc_slb {
 	u64 esid;
@@ -33,7 +33,8 @@ struct kvmppc_slb {
 	bool Ks;
 	bool Kp;
 	bool nx;
-	bool large;
+	bool large;	/* PTEs are 16MB */
+	bool tb;	/* 1TB segment */
 	bool class;
 };
 
@@ -69,6 +70,7 @@ struct kvmppc_sid_map {
 
 struct kvmppc_vcpu_book3s {
 	struct kvm_vcpu vcpu;
+	struct kvmppc_book3s_shadow_vcpu shadow_vcpu;
 	struct kvmppc_sid_map sid_map[SID_MAP_NUM];
 	struct kvmppc_slb slb[64];
 	struct {
@@ -89,6 +91,7 @@ struct kvmppc_vcpu_book3s {
 	u64 vsid_next;
 	u64 vsid_max;
 	int context_id;
+	ulong prog_flags; /* flags to inject when giving a 700 trap */
 };
 
 #define CONTEXT_HOST		0
@@ -119,6 +122,10 @@ extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
 
 extern u32 kvmppc_trampoline_lowmem;
 extern u32 kvmppc_trampoline_enter;
+extern void kvmppc_rmcall(ulong srr0, ulong srr1);
+extern void kvmppc_load_up_fpu(void);
+extern void kvmppc_load_up_altivec(void);
+extern void kvmppc_load_up_vsx(void);
 
 static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
 {
diff --git a/arch/powerpc/include/asm/kvm_book3s_64_asm.h b/arch/powerpc/include/asm/kvm_book3s_64_asm.h
index 2e06ee8184ef..183461b48407 100644
--- a/arch/powerpc/include/asm/kvm_book3s_64_asm.h
+++ b/arch/powerpc/include/asm/kvm_book3s_64_asm.h
@@ -20,6 +20,8 @@
 #ifndef __ASM_KVM_BOOK3S_ASM_H__
 #define __ASM_KVM_BOOK3S_ASM_H__
 
+#ifdef __ASSEMBLY__
+
 #ifdef CONFIG_KVM_BOOK3S_64_HANDLER
 
 #include <asm/kvm_asm.h>
@@ -55,4 +57,20 @@ kvmppc_resume_\intno:
 
 #endif /* CONFIG_KVM_BOOK3S_64_HANDLER */
 
+#else  /*__ASSEMBLY__ */
+
+struct kvmppc_book3s_shadow_vcpu {
+	ulong gpr[14];
+	u32 cr;
+	u32 xer;
+	ulong host_r1;
+	ulong host_r2;
+	ulong handler;
+	ulong scratch0;
+	ulong scratch1;
+	ulong vmhandler;
+};
+
+#endif /*__ASSEMBLY__ */
+
 #endif /* __ASM_KVM_BOOK3S_ASM_H__ */
diff --git a/arch/powerpc/include/asm/kvm_e500.h b/arch/powerpc/include/asm/kvm_e500.h
index 9d497ce49726..7fea26fffb25 100644
--- a/arch/powerpc/include/asm/kvm_e500.h
+++ b/arch/powerpc/include/asm/kvm_e500.h
@@ -52,9 +52,12 @@ struct kvmppc_vcpu_e500 {
 	u32 mas5;
 	u32 mas6;
 	u32 mas7;
+	u32 l1csr0;
 	u32 l1csr1;
 	u32 hid0;
 	u32 hid1;
+	u32 tlb0cfg;
+	u32 tlb1cfg;
 
 	struct kvm_vcpu vcpu;
 };
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 1201f62d0d73..5e5bae7e152f 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -167,23 +167,40 @@ struct kvm_vcpu_arch {
 	ulong trampoline_lowmem;
 	ulong trampoline_enter;
 	ulong highmem_handler;
+	ulong rmcall;
 	ulong host_paca_phys;
 	struct kvmppc_mmu mmu;
 #endif
 
-	u64 fpr[32];
 	ulong gpr[32];
 
+	u64 fpr[32];
+	u32 fpscr;
+
+#ifdef CONFIG_ALTIVEC
+	vector128 vr[32];
+	vector128 vscr;
+#endif
+
+#ifdef CONFIG_VSX
+	u64 vsr[32];
+#endif
+
 	ulong pc;
-	u32 cr;
 	ulong ctr;
 	ulong lr;
+
+#ifdef CONFIG_BOOKE
 	ulong xer;
+	u32 cr;
+#endif
 
 	ulong msr;
 #ifdef CONFIG_PPC64
 	ulong shadow_msr;
+	ulong shadow_srr1;
 	ulong hflags;
+	ulong guest_owned_ext;
 #endif
 	u32 mmucr;
 	ulong sprg0;
@@ -242,6 +259,8 @@ struct kvm_vcpu_arch {
 #endif
 	ulong fault_dear;
 	ulong fault_esr;
+	ulong queued_dear;
+	ulong queued_esr;
 	gpa_t paddr_accessed;
 
 	u8 io_gpr; /* GPR used as IO source/target */
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index 269ee46ab028..e2642829e435 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -28,6 +28,9 @@
 #include <linux/types.h>
 #include <linux/kvm_types.h>
 #include <linux/kvm_host.h>
+#ifdef CONFIG_PPC_BOOK3S
+#include <asm/kvm_book3s.h>
+#endif
 
 enum emulation_result {
 	EMULATE_DONE,         /* no further processing */
@@ -80,8 +83,9 @@ extern void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu);
 
 extern void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu);
 extern int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu);
-extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu);
+extern void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags);
 extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
+extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu);
 extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
                                        struct kvm_interrupt *irq);
 
@@ -95,4 +99,81 @@ extern void kvmppc_booke_exit(void);
 
 extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
 
+#ifdef CONFIG_PPC_BOOK3S
+
+/* We assume we're always acting on the current vcpu */
+
+static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
+{
+	if ( num < 14 ) {
+		get_paca()->shadow_vcpu.gpr[num] = val;
+		to_book3s(vcpu)->shadow_vcpu.gpr[num] = val;
+	} else
+		vcpu->arch.gpr[num] = val;
+}
+
+static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
+{
+	if ( num < 14 )
+		return get_paca()->shadow_vcpu.gpr[num];
+	else
+		return vcpu->arch.gpr[num];
+}
+
+static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
+{
+	get_paca()->shadow_vcpu.cr = val;
+	to_book3s(vcpu)->shadow_vcpu.cr = val;
+}
+
+static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
+{
+	return get_paca()->shadow_vcpu.cr;
+}
+
+static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
+{
+	get_paca()->shadow_vcpu.xer = val;
+	to_book3s(vcpu)->shadow_vcpu.xer = val;
+}
+
+static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
+{
+	return get_paca()->shadow_vcpu.xer;
+}
+
+#else
+
+static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
+{
+	vcpu->arch.gpr[num] = val;
+}
+
+static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
+{
+	return vcpu->arch.gpr[num];
+}
+
+static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
+{
+	vcpu->arch.cr = val;
+}
+
+static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
+{
+	return vcpu->arch.cr;
+}
+
+static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
+{
+	vcpu->arch.xer = val;
+}
+
+static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
+{
+	return vcpu->arch.xer;
+}
+
+#endif
+
 #endif /* __POWERPC_KVM_PPC_H__ */
diff --git a/arch/powerpc/include/asm/local.h b/arch/powerpc/include/asm/local.h
index ce58c80e1bcf..c2410af6bfd9 100644
--- a/arch/powerpc/include/asm/local.h
+++ b/arch/powerpc/include/asm/local.h
@@ -172,29 +172,4 @@ static __inline__ long local_dec_if_positive(local_t *l)
 #define __local_add(i,l)	((l)->a.counter+=(i))
 #define __local_sub(i,l)	((l)->a.counter-=(i))
 
-/* Need to disable preemption for the cpu local counters otherwise we could
-   still access a variable of a previous CPU in a non atomic way. */
-#define cpu_local_wrap_v(l)	 	\
-	({ local_t res__;		\
-	   preempt_disable(); 		\
-	   res__ = (l);			\
-	   preempt_enable();		\
-	   res__; })
-#define cpu_local_wrap(l)		\
-	({ preempt_disable();		\
-	   l;				\
-	   preempt_enable(); })		\
-
-#define cpu_local_read(l)    cpu_local_wrap_v(local_read(&__get_cpu_var(l)))
-#define cpu_local_set(l, i)  cpu_local_wrap(local_set(&__get_cpu_var(l), (i)))
-#define cpu_local_inc(l)     cpu_local_wrap(local_inc(&__get_cpu_var(l)))
-#define cpu_local_dec(l)     cpu_local_wrap(local_dec(&__get_cpu_var(l)))
-#define cpu_local_add(i, l)  cpu_local_wrap(local_add((i), &__get_cpu_var(l)))
-#define cpu_local_sub(i, l)  cpu_local_wrap(local_sub((i), &__get_cpu_var(l)))
-
-#define __cpu_local_inc(l)	cpu_local_inc(l)
-#define __cpu_local_dec(l)	cpu_local_dec(l)
-#define __cpu_local_add(i, l)	cpu_local_add((i), (l))
-#define __cpu_local_sub(i, l)	cpu_local_sub((i), (l))
-
 #endif /* _ARCH_POWERPC_LOCAL_H */
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 5e9b4ef71415..a011603d4079 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -14,11 +14,17 @@
 #define _ASM_POWERPC_PACA_H
 #ifdef __KERNEL__
 
+#ifdef CONFIG_PPC64
+
+#include <linux/init.h>
 #include <asm/types.h>
 #include <asm/lppaca.h>
 #include <asm/mmu.h>
 #include <asm/page.h>
 #include <asm/exception-64e.h>
+#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
+#include <asm/kvm_book3s_64_asm.h>
+#endif
 
 register struct paca_struct *local_paca asm("r13");
 
@@ -135,13 +141,26 @@ struct paca_struct {
 		u64     esid;
 		u64     vsid;
 	} kvm_slb[64];			/* guest SLB */
+	/* We use this to store guest state in */
+	struct kvmppc_book3s_shadow_vcpu shadow_vcpu;
 	u8 kvm_slb_max;			/* highest used guest slb entry */
 	u8 kvm_in_guest;		/* are we inside the guest? */
 #endif
 };
 
-extern struct paca_struct paca[];
-extern void initialise_pacas(void);
+extern struct paca_struct *paca;
+extern __initdata struct paca_struct boot_paca;
+extern void initialise_paca(struct paca_struct *new_paca, int cpu);
+
+extern void allocate_pacas(void);
+extern void free_unused_pacas(void);
+
+#else /* CONFIG_PPC64 */
+
+static inline void allocate_pacas(void) { };
+static inline void free_unused_pacas(void) { };
+
+#endif /* CONFIG_PPC64 */
 
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_PACA_H */
diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h
index b5ea626eea2d..a20a9ad2258b 100644
--- a/arch/powerpc/include/asm/pci.h
+++ b/arch/powerpc/include/asm/pci.h
@@ -141,38 +141,6 @@ extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
 
 #define HAVE_PCI_LEGACY	1
 
-#if defined(CONFIG_PPC64) || defined(CONFIG_NOT_COHERENT_CACHE)
-/*
- * For 64-bit kernels, pci_unmap_{single,page} is not a nop.
- * For 32-bit non-coherent kernels, pci_dma_sync_single_for_cpu() and
- * so on are not nops.
- * and thus...
- */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	\
-	dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)		\
-	__u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)			\
-	((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)		\
-	(((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)			\
-	((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)		\
-	(((PTR)->LEN_NAME) = (VAL))
-
-#else /* 32-bit && coherent */
-
-/* pci_unmap_{page,single} is a nop so... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)		(0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME)		(0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do { } while (0)
-
-#endif /* CONFIG_PPC64 || CONFIG_NOT_COHERENT_CACHE */
-
 #ifdef CONFIG_PPC64
 
 /* The PCI address space does not equal the physical memory address
diff --git a/arch/powerpc/include/asm/perf_event.h b/arch/powerpc/include/asm/perf_event.h
index 3288ce3997e0..e6d4ce69b126 100644
--- a/arch/powerpc/include/asm/perf_event.h
+++ b/arch/powerpc/include/asm/perf_event.h
@@ -1,110 +1,23 @@
 /*
- * Performance event support - PowerPC-specific definitions.
+ * Performance event support - hardware-specific disambiguation
  *
- * Copyright 2008-2009 Paul Mackerras, IBM Corporation.
+ * For now this is a compile-time decision, but eventually it should be
+ * runtime.  This would allow multiplatform perf event support for e300 (fsl
+ * embedded perf counters) plus server/classic, and would accommodate
+ * devices other than the core which provide their own performance counters.
+ *
+ * Copyright 2010 Freescale Semiconductor, Inc.
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */
-#include <linux/types.h>
-
-#include <asm/hw_irq.h>
-
-#define MAX_HWEVENTS		8
-#define MAX_EVENT_ALTERNATIVES	8
-#define MAX_LIMITED_HWCOUNTERS	2
-
-/*
- * This struct provides the constants and functions needed to
- * describe the PMU on a particular POWER-family CPU.
- */
-struct power_pmu {
-	const char	*name;
-	int		n_counter;
-	int		max_alternatives;
-	unsigned long	add_fields;
-	unsigned long	test_adder;
-	int		(*compute_mmcr)(u64 events[], int n_ev,
-				unsigned int hwc[], unsigned long mmcr[]);
-	int		(*get_constraint)(u64 event_id, unsigned long *mskp,
-				unsigned long *valp);
-	int		(*get_alternatives)(u64 event_id, unsigned int flags,
-				u64 alt[]);
-	void		(*disable_pmc)(unsigned int pmc, unsigned long mmcr[]);
-	int		(*limited_pmc_event)(u64 event_id);
-	u32		flags;
-	int		n_generic;
-	int		*generic_events;
-	int		(*cache_events)[PERF_COUNT_HW_CACHE_MAX]
-			       [PERF_COUNT_HW_CACHE_OP_MAX]
-			       [PERF_COUNT_HW_CACHE_RESULT_MAX];
-};
-
-/*
- * Values for power_pmu.flags
- */
-#define PPMU_LIMITED_PMC5_6	1	/* PMC5/6 have limited function */
-#define PPMU_ALT_SIPR		2	/* uses alternate posn for SIPR/HV */
-
-/*
- * Values for flags to get_alternatives()
- */
-#define PPMU_LIMITED_PMC_OK	1	/* can put this on a limited PMC */
-#define PPMU_LIMITED_PMC_REQD	2	/* have to put this on a limited PMC */
-#define PPMU_ONLY_COUNT_RUN	4	/* only counting in run state */
-
-extern int register_power_pmu(struct power_pmu *);
 
-struct pt_regs;
-extern unsigned long perf_misc_flags(struct pt_regs *regs);
-extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
-
-#define PERF_EVENT_INDEX_OFFSET	1
-
-/*
- * Only override the default definitions in include/linux/perf_event.h
- * if we have hardware PMU support.
- */
 #ifdef CONFIG_PPC_PERF_CTRS
-#define perf_misc_flags(regs)	perf_misc_flags(regs)
+#include <asm/perf_event_server.h>
 #endif
 
-/*
- * The power_pmu.get_constraint function returns a 32/64-bit value and
- * a 32/64-bit mask that express the constraints between this event_id and
- * other events.
- *
- * The value and mask are divided up into (non-overlapping) bitfields
- * of three different types:
- *
- * Select field: this expresses the constraint that some set of bits
- * in MMCR* needs to be set to a specific value for this event_id.  For a
- * select field, the mask contains 1s in every bit of the field, and
- * the value contains a unique value for each possible setting of the
- * MMCR* bits.  The constraint checking code will ensure that two events
- * that set the same field in their masks have the same value in their
- * value dwords.
- *
- * Add field: this expresses the constraint that there can be at most
- * N events in a particular class.  A field of k bits can be used for
- * N <= 2^(k-1) - 1.  The mask has the most significant bit of the field
- * set (and the other bits 0), and the value has only the least significant
- * bit of the field set.  In addition, the 'add_fields' and 'test_adder'
- * in the struct power_pmu for this processor come into play.  The
- * add_fields value contains 1 in the LSB of the field, and the
- * test_adder contains 2^(k-1) - 1 - N in the field.
- *
- * NAND field: this expresses the constraint that you may not have events
- * in all of a set of classes.  (For example, on PPC970, you can't select
- * events from the FPU, ISU and IDU simultaneously, although any two are
- * possible.)  For N classes, the field is N+1 bits wide, and each class
- * is assigned one bit from the least-significant N bits.  The mask has
- * only the most-significant bit set, and the value has only the bit
- * for the event_id's class set.  The test_adder has the least significant
- * bit set in the field.
- *
- * If an event_id is not subject to the constraint expressed by a particular
- * field, then it will have 0 in both the mask and value for that field.
- */
+#ifdef CONFIG_FSL_EMB_PERF_EVENT
+#include <asm/perf_event_fsl_emb.h>
+#endif
diff --git a/arch/powerpc/include/asm/perf_event_fsl_emb.h b/arch/powerpc/include/asm/perf_event_fsl_emb.h
new file mode 100644
index 000000000000..718a9fa94e68
--- /dev/null
+++ b/arch/powerpc/include/asm/perf_event_fsl_emb.h
@@ -0,0 +1,50 @@
+/*
+ * Performance event support - Freescale embedded specific definitions.
+ *
+ * Copyright 2008-2009 Paul Mackerras, IBM Corporation.
+ * Copyright 2010 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/types.h>
+#include <asm/hw_irq.h>
+
+#define MAX_HWEVENTS 4
+
+/* event flags */
+#define FSL_EMB_EVENT_VALID      1
+#define FSL_EMB_EVENT_RESTRICTED 2
+
+/* upper half of event flags is PMLCb */
+#define FSL_EMB_EVENT_THRESHMUL  0x0000070000000000ULL
+#define FSL_EMB_EVENT_THRESH     0x0000003f00000000ULL
+
+struct fsl_emb_pmu {
+	const char	*name;
+	int		n_counter; /* total number of counters */
+
+	/*
+	 * The number of contiguous counters starting at zero that
+	 * can hold restricted events, or zero if there are no
+	 * restricted events.
+	 *
+	 * This isn't a very flexible method of expressing constraints,
+	 * but it's very simple and is adequate for existing chips.
+	 */
+	int		n_restricted;
+
+	/* Returns event flags and PMLCb (FSL_EMB_EVENT_*) */
+	u64		(*xlate_event)(u64 event_id);
+
+	int		n_generic;
+	int		*generic_events;
+	int		(*cache_events)[PERF_COUNT_HW_CACHE_MAX]
+			       [PERF_COUNT_HW_CACHE_OP_MAX]
+			       [PERF_COUNT_HW_CACHE_RESULT_MAX];
+};
+
+int register_fsl_emb_pmu(struct fsl_emb_pmu *);
diff --git a/arch/powerpc/include/asm/perf_event_server.h b/arch/powerpc/include/asm/perf_event_server.h
new file mode 100644
index 000000000000..8f1df1208d23
--- /dev/null
+++ b/arch/powerpc/include/asm/perf_event_server.h
@@ -0,0 +1,110 @@
+/*
+ * Performance event support - PowerPC classic/server specific definitions.
+ *
+ * Copyright 2008-2009 Paul Mackerras, IBM Corporation.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#include <linux/types.h>
+#include <asm/hw_irq.h>
+
+#define MAX_HWEVENTS		8
+#define MAX_EVENT_ALTERNATIVES	8
+#define MAX_LIMITED_HWCOUNTERS	2
+
+/*
+ * This struct provides the constants and functions needed to
+ * describe the PMU on a particular POWER-family CPU.
+ */
+struct power_pmu {
+	const char	*name;
+	int		n_counter;
+	int		max_alternatives;
+	unsigned long	add_fields;
+	unsigned long	test_adder;
+	int		(*compute_mmcr)(u64 events[], int n_ev,
+				unsigned int hwc[], unsigned long mmcr[]);
+	int		(*get_constraint)(u64 event_id, unsigned long *mskp,
+				unsigned long *valp);
+	int		(*get_alternatives)(u64 event_id, unsigned int flags,
+				u64 alt[]);
+	void		(*disable_pmc)(unsigned int pmc, unsigned long mmcr[]);
+	int		(*limited_pmc_event)(u64 event_id);
+	u32		flags;
+	int		n_generic;
+	int		*generic_events;
+	int		(*cache_events)[PERF_COUNT_HW_CACHE_MAX]
+			       [PERF_COUNT_HW_CACHE_OP_MAX]
+			       [PERF_COUNT_HW_CACHE_RESULT_MAX];
+};
+
+/*
+ * Values for power_pmu.flags
+ */
+#define PPMU_LIMITED_PMC5_6	1	/* PMC5/6 have limited function */
+#define PPMU_ALT_SIPR		2	/* uses alternate posn for SIPR/HV */
+
+/*
+ * Values for flags to get_alternatives()
+ */
+#define PPMU_LIMITED_PMC_OK	1	/* can put this on a limited PMC */
+#define PPMU_LIMITED_PMC_REQD	2	/* have to put this on a limited PMC */
+#define PPMU_ONLY_COUNT_RUN	4	/* only counting in run state */
+
+extern int register_power_pmu(struct power_pmu *);
+
+struct pt_regs;
+extern unsigned long perf_misc_flags(struct pt_regs *regs);
+extern unsigned long perf_instruction_pointer(struct pt_regs *regs);
+
+#define PERF_EVENT_INDEX_OFFSET	1
+
+/*
+ * Only override the default definitions in include/linux/perf_event.h
+ * if we have hardware PMU support.
+ */
+#ifdef CONFIG_PPC_PERF_CTRS
+#define perf_misc_flags(regs)	perf_misc_flags(regs)
+#endif
+
+/*
+ * The power_pmu.get_constraint function returns a 32/64-bit value and
+ * a 32/64-bit mask that express the constraints between this event_id and
+ * other events.
+ *
+ * The value and mask are divided up into (non-overlapping) bitfields
+ * of three different types:
+ *
+ * Select field: this expresses the constraint that some set of bits
+ * in MMCR* needs to be set to a specific value for this event_id.  For a
+ * select field, the mask contains 1s in every bit of the field, and
+ * the value contains a unique value for each possible setting of the
+ * MMCR* bits.  The constraint checking code will ensure that two events
+ * that set the same field in their masks have the same value in their
+ * value dwords.
+ *
+ * Add field: this expresses the constraint that there can be at most
+ * N events in a particular class.  A field of k bits can be used for
+ * N <= 2^(k-1) - 1.  The mask has the most significant bit of the field
+ * set (and the other bits 0), and the value has only the least significant
+ * bit of the field set.  In addition, the 'add_fields' and 'test_adder'
+ * in the struct power_pmu for this processor come into play.  The
+ * add_fields value contains 1 in the LSB of the field, and the
+ * test_adder contains 2^(k-1) - 1 - N in the field.
+ *
+ * NAND field: this expresses the constraint that you may not have events
+ * in all of a set of classes.  (For example, on PPC970, you can't select
+ * events from the FPU, ISU and IDU simultaneously, although any two are
+ * possible.)  For N classes, the field is N+1 bits wide, and each class
+ * is assigned one bit from the least-significant N bits.  The mask has
+ * only the most-significant bit set, and the value has only the bit
+ * for the event_id's class set.  The test_adder has the least significant
+ * bit set in the field.
+ *
+ * If an event_id is not subject to the constraint expressed by a particular
+ * field, then it will have 0 in both the mask and value for that field.
+ */
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index aea714797590..d553bbeb726c 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -25,7 +25,7 @@
 #define PPC_INST_LDARX			0x7c0000a8
 #define PPC_INST_LSWI			0x7c0004aa
 #define PPC_INST_LSWX			0x7c00042a
-#define PPC_INST_LWARX			0x7c000029
+#define PPC_INST_LWARX			0x7c000028
 #define PPC_INST_LWSYNC			0x7c2004ac
 #define PPC_INST_LXVD2X			0x7c000698
 #define PPC_INST_MCRXR			0x7c000400
@@ -62,8 +62,8 @@
 #define __PPC_T_TLB(t)	(((t) & 0x3) << 21)
 #define __PPC_WC(w)	(((w) & 0x3) << 21)
 /*
- * Only use the larx hint bit on 64bit CPUs. Once we verify it doesn't have
- * any side effects on all 32bit processors, we can do this all the time.
+ * Only use the larx hint bit on 64bit CPUs. e500v1/v2 based CPUs will treat a
+ * larx with EH set as an illegal instruction.
  */
 #ifdef CONFIG_PPC64
 #define __PPC_EH(eh)	(((eh) & 0x1) << 0)
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index b45108126562..9e2d84c06b74 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -137,15 +137,8 @@ do {									      \
 } while (0)
 #endif /* __powerpc64__ */
 
-/*
- * These are defined as per linux/ptrace.h, which see.
- */
 #define arch_has_single_step()	(1)
 #define arch_has_block_step()	(!cpu_has_feature(CPU_FTR_601))
-extern void user_enable_single_step(struct task_struct *);
-extern void user_enable_block_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
-
 #define ARCH_HAS_USER_SINGLE_STEP_INFO
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index bc8dd53f718a..5572e86223f4 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -426,6 +426,10 @@
 #define   SRR1_WAKEMT		0x00280000 /* mtctrl */
 #define   SRR1_WAKEDEC		0x00180000 /* Decrementer interrupt */
 #define   SRR1_WAKETHERM	0x00100000 /* Thermal management interrupt */
+#define   SRR1_PROGFPE		0x00100000 /* Floating Point Enabled */
+#define   SRR1_PROGPRIV		0x00040000 /* Privileged instruction */
+#define   SRR1_PROGTRAP		0x00020000 /* Trap */
+#define   SRR1_PROGADDR		0x00010000 /* SRR0 contains subsequent addr */
 #define SPRN_HSRR0	0x13A	/* Save/Restore Register 0 */
 #define SPRN_HSRR1	0x13B	/* Save/Restore Register 1 */
 
diff --git a/arch/powerpc/include/asm/reg_booke.h b/arch/powerpc/include/asm/reg_booke.h
index 8808d307fe7e..414d434a66d0 100644
--- a/arch/powerpc/include/asm/reg_booke.h
+++ b/arch/powerpc/include/asm/reg_booke.h
@@ -421,8 +421,8 @@
 /* Bit definitions related to the DBCR2. */
 #define DBCR2_DAC1US	0xC0000000	/* Data Addr Cmp 1 Sup/User   */
 #define DBCR2_DAC1ER	0x30000000	/* Data Addr Cmp 1 Eff/Real */
-#define DBCR2_DAC2US	0x00000000	/* Data Addr Cmp 2 Sup/User   */
-#define DBCR2_DAC2ER	0x00000000	/* Data Addr Cmp 2 Eff/Real */
+#define DBCR2_DAC2US	0x0C000000	/* Data Addr Cmp 2 Sup/User   */
+#define DBCR2_DAC2ER	0x03000000	/* Data Addr Cmp 2 Eff/Real */
 #define DBCR2_DAC12M	0x00800000	/* DAC 1-2 range enable */
 #define DBCR2_DAC12MM	0x00400000	/* DAC 1-2 Mask mode*/
 #define DBCR2_DAC12MX	0x00C00000	/* DAC 1-2 range eXclusive */
diff --git a/arch/powerpc/include/asm/reg_fsl_emb.h b/arch/powerpc/include/asm/reg_fsl_emb.h
index 0de404dfee8b..77bb71cfd991 100644
--- a/arch/powerpc/include/asm/reg_fsl_emb.h
+++ b/arch/powerpc/include/asm/reg_fsl_emb.h
@@ -31,7 +31,7 @@
 #define PMLCA_FCM0	0x08000000	/* Freeze when PMM==0 */
 #define PMLCA_CE	0x04000000	/* Condition Enable */
 
-#define PMLCA_EVENT_MASK 0x007f0000	/* Event field */
+#define PMLCA_EVENT_MASK 0x00ff0000	/* Event field */
 #define PMLCA_EVENT_SHIFT	16
 
 #define PMRN_PMLCB0	0x110	/* PM Local Control B0 */
diff --git a/arch/powerpc/include/asm/syscall.h b/arch/powerpc/include/asm/syscall.h
index efa7f0b879f3..23913e902fc3 100644
--- a/arch/powerpc/include/asm/syscall.h
+++ b/arch/powerpc/include/asm/syscall.h
@@ -30,7 +30,7 @@ static inline void syscall_rollback(struct task_struct *task,
 static inline long syscall_get_error(struct task_struct *task,
 				     struct pt_regs *regs)
 {
-	return (regs->ccr & 0x1000) ? -regs->gpr[3] : 0;
+	return (regs->ccr & 0x10000000) ? -regs->gpr[3] : 0;
 }
 
 static inline long syscall_get_return_value(struct task_struct *task,
@@ -44,10 +44,10 @@ static inline void syscall_set_return_value(struct task_struct *task,
 					    int error, long val)
 {
 	if (error) {
-		regs->ccr |= 0x1000L;
+		regs->ccr |= 0x10000000L;
 		regs->gpr[3] = -error;
 	} else {
-		regs->ccr &= ~0x1000L;
+		regs->ccr &= ~0x10000000L;
 		regs->gpr[3] = val;
 	}
 }
diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h
index eb8eb400c664..4084e567d28e 100644
--- a/arch/powerpc/include/asm/syscalls.h
+++ b/arch/powerpc/include/asm/syscalls.h
@@ -7,7 +7,6 @@
 #include <linux/types.h>
 #include <asm/signal.h>
 
-struct new_utsname;
 struct pt_regs;
 struct rtas_args;
 struct sigaction;
@@ -35,12 +34,9 @@ asmlinkage long sys_pipe2(int __user *fildes, int flags);
 asmlinkage long sys_rt_sigaction(int sig,
 		const struct sigaction __user *act,
 		struct sigaction __user *oact, size_t sigsetsize);
-asmlinkage int sys_ipc(uint call, int first, unsigned long second,
-		long third, void __user *ptr, long fifth);
 asmlinkage long ppc64_personality(unsigned long personality);
 asmlinkage int ppc_rtas(struct rtas_args __user *uargs);
 asmlinkage time_t sys64_time(time_t __user * tloc);
-asmlinkage long ppc_newuname(struct new_utsname __user * name);
 
 asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset,
 		size_t sigsetsize);
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 07d2d19ab5e9..a5ee345b6a5c 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -125,7 +125,7 @@ SYSCALL_SPU(fsync)
 SYS32ONLY(sigreturn)
 PPC_SYS(clone)
 COMPAT_SYS_SPU(setdomainname)
-PPC_SYS_SPU(newuname)
+SYSCALL_SPU(newuname)
 SYSCALL(ni_syscall)
 COMPAT_SYS_SPU(adjtimex)
 SYSCALL_SPU(mprotect)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index f6ca76176766..f0a10266e7f7 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -364,6 +364,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -376,6 +377,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_UNAME
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index c002b0410219..877326320e74 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -98,11 +98,16 @@ obj64-$(CONFIG_AUDIT)		+= compat_audit.o
 
 obj-$(CONFIG_DYNAMIC_FTRACE)	+= ftrace.o
 obj-$(CONFIG_FUNCTION_GRAPH_TRACER)	+= ftrace.o
-obj-$(CONFIG_PPC_PERF_CTRS)	+= perf_event.o perf_callchain.o
+obj-$(CONFIG_PERF_EVENTS)	+= perf_callchain.o
+
+obj-$(CONFIG_PPC_PERF_CTRS)	+= perf_event.o
 obj64-$(CONFIG_PPC_PERF_CTRS)	+= power4-pmu.o ppc970-pmu.o power5-pmu.o \
 				   power5+-pmu.o power6-pmu.o power7-pmu.o
 obj32-$(CONFIG_PPC_PERF_CTRS)	+= mpc7450-pmu.o
 
+obj-$(CONFIG_FSL_EMB_PERF_EVENT) += perf_event_fsl_emb.o
+obj-$(CONFIG_FSL_EMB_PERF_EVENT_E500) += e500-pmu.o
+
 obj-$(CONFIG_8XX_MINIMAL_FPEMU) += softemu8xx.o
 
 ifneq ($(CONFIG_PPC_INDIRECT_IO),y)
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index a6c2b63227b3..957ceb7059c5 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -194,6 +194,30 @@ int main(void)
 	DEFINE(PACA_KVM_IN_GUEST, offsetof(struct paca_struct, kvm_in_guest));
 	DEFINE(PACA_KVM_SLB, offsetof(struct paca_struct, kvm_slb));
 	DEFINE(PACA_KVM_SLB_MAX, offsetof(struct paca_struct, kvm_slb_max));
+	DEFINE(PACA_KVM_CR, offsetof(struct paca_struct, shadow_vcpu.cr));
+	DEFINE(PACA_KVM_XER, offsetof(struct paca_struct, shadow_vcpu.xer));
+	DEFINE(PACA_KVM_R0, offsetof(struct paca_struct, shadow_vcpu.gpr[0]));
+	DEFINE(PACA_KVM_R1, offsetof(struct paca_struct, shadow_vcpu.gpr[1]));
+	DEFINE(PACA_KVM_R2, offsetof(struct paca_struct, shadow_vcpu.gpr[2]));
+	DEFINE(PACA_KVM_R3, offsetof(struct paca_struct, shadow_vcpu.gpr[3]));
+	DEFINE(PACA_KVM_R4, offsetof(struct paca_struct, shadow_vcpu.gpr[4]));
+	DEFINE(PACA_KVM_R5, offsetof(struct paca_struct, shadow_vcpu.gpr[5]));
+	DEFINE(PACA_KVM_R6, offsetof(struct paca_struct, shadow_vcpu.gpr[6]));
+	DEFINE(PACA_KVM_R7, offsetof(struct paca_struct, shadow_vcpu.gpr[7]));
+	DEFINE(PACA_KVM_R8, offsetof(struct paca_struct, shadow_vcpu.gpr[8]));
+	DEFINE(PACA_KVM_R9, offsetof(struct paca_struct, shadow_vcpu.gpr[9]));
+	DEFINE(PACA_KVM_R10, offsetof(struct paca_struct, shadow_vcpu.gpr[10]));
+	DEFINE(PACA_KVM_R11, offsetof(struct paca_struct, shadow_vcpu.gpr[11]));
+	DEFINE(PACA_KVM_R12, offsetof(struct paca_struct, shadow_vcpu.gpr[12]));
+	DEFINE(PACA_KVM_R13, offsetof(struct paca_struct, shadow_vcpu.gpr[13]));
+	DEFINE(PACA_KVM_HOST_R1, offsetof(struct paca_struct, shadow_vcpu.host_r1));
+	DEFINE(PACA_KVM_HOST_R2, offsetof(struct paca_struct, shadow_vcpu.host_r2));
+	DEFINE(PACA_KVM_VMHANDLER, offsetof(struct paca_struct,
+					    shadow_vcpu.vmhandler));
+	DEFINE(PACA_KVM_SCRATCH0, offsetof(struct paca_struct,
+					   shadow_vcpu.scratch0));
+	DEFINE(PACA_KVM_SCRATCH1, offsetof(struct paca_struct,
+					   shadow_vcpu.scratch1));
 #endif
 #endif /* CONFIG_PPC64 */
 
@@ -389,8 +413,6 @@ int main(void)
 	DEFINE(VCPU_HOST_PID, offsetof(struct kvm_vcpu, arch.host_pid));
 	DEFINE(VCPU_GPRS, offsetof(struct kvm_vcpu, arch.gpr));
 	DEFINE(VCPU_LR, offsetof(struct kvm_vcpu, arch.lr));
-	DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
-	DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
 	DEFINE(VCPU_CTR, offsetof(struct kvm_vcpu, arch.ctr));
 	DEFINE(VCPU_PC, offsetof(struct kvm_vcpu, arch.pc));
 	DEFINE(VCPU_MSR, offsetof(struct kvm_vcpu, arch.msr));
@@ -411,11 +433,16 @@ int main(void)
 	DEFINE(VCPU_HOST_R2, offsetof(struct kvm_vcpu, arch.host_r2));
 	DEFINE(VCPU_HOST_MSR, offsetof(struct kvm_vcpu, arch.host_msr));
 	DEFINE(VCPU_SHADOW_MSR, offsetof(struct kvm_vcpu, arch.shadow_msr));
+	DEFINE(VCPU_SHADOW_SRR1, offsetof(struct kvm_vcpu, arch.shadow_srr1));
 	DEFINE(VCPU_TRAMPOLINE_LOWMEM, offsetof(struct kvm_vcpu, arch.trampoline_lowmem));
 	DEFINE(VCPU_TRAMPOLINE_ENTER, offsetof(struct kvm_vcpu, arch.trampoline_enter));
 	DEFINE(VCPU_HIGHMEM_HANDLER, offsetof(struct kvm_vcpu, arch.highmem_handler));
+	DEFINE(VCPU_RMCALL, offsetof(struct kvm_vcpu, arch.rmcall));
 	DEFINE(VCPU_HFLAGS, offsetof(struct kvm_vcpu, arch.hflags));
-#endif
+#else
+	DEFINE(VCPU_CR, offsetof(struct kvm_vcpu, arch.cr));
+	DEFINE(VCPU_XER, offsetof(struct kvm_vcpu, arch.xer));
+#endif /* CONFIG_PPC64 */
 #endif
 #ifdef CONFIG_44x
 	DEFINE(PGD_T_LOG2, PGD_T_LOG2);
diff --git a/arch/powerpc/kernel/cacheinfo.c b/arch/powerpc/kernel/cacheinfo.c
index bb37b1d19a58..01fe9ce28379 100644
--- a/arch/powerpc/kernel/cacheinfo.c
+++ b/arch/powerpc/kernel/cacheinfo.c
@@ -642,7 +642,7 @@ static struct kobj_attribute *cache_index_opt_attrs[] = {
 	&cache_assoc_attr,
 };
 
-static struct sysfs_ops cache_index_ops = {
+static const struct sysfs_ops cache_index_ops = {
 	.show = cache_index_show,
 };
 
diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c
index 2fc82bac3bbc..8af4949434b2 100644
--- a/arch/powerpc/kernel/cputable.c
+++ b/arch/powerpc/kernel/cputable.c
@@ -1808,7 +1808,7 @@ static struct cpu_spec __initdata cpu_specs[] = {
 		.icache_bsize		= 64,
 		.dcache_bsize		= 64,
 		.num_pmcs		= 4,
-		.oprofile_cpu_type	= "ppc/e500", /* xxx - galak, e500mc? */
+		.oprofile_cpu_type	= "ppc/e500mc",
 		.oprofile_type		= PPC_OPROFILE_FSL_EMB,
 		.cpu_setup		= __setup_cpu_e500mc,
 		.machine_check		= machine_check_e500,
diff --git a/arch/powerpc/kernel/e500-pmu.c b/arch/powerpc/kernel/e500-pmu.c
new file mode 100644
index 000000000000..7c07de0d8943
--- /dev/null
+++ b/arch/powerpc/kernel/e500-pmu.c
@@ -0,0 +1,129 @@
+/*
+ * Performance counter support for e500 family processors.
+ *
+ * Copyright 2008-2009 Paul Mackerras, IBM Corporation.
+ * Copyright 2010 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <linux/string.h>
+#include <linux/perf_event.h>
+#include <asm/reg.h>
+#include <asm/cputable.h>
+
+/*
+ * Map of generic hardware event types to hardware events
+ * Zero if unsupported
+ */
+static int e500_generic_events[] = {
+	[PERF_COUNT_HW_CPU_CYCLES] = 1,
+	[PERF_COUNT_HW_INSTRUCTIONS] = 2,
+	[PERF_COUNT_HW_CACHE_MISSES] = 41, /* Data L1 cache reloads */
+	[PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 12,
+	[PERF_COUNT_HW_BRANCH_MISSES] = 15,
+};
+
+#define C(x)	PERF_COUNT_HW_CACHE_##x
+
+/*
+ * Table of generalized cache-related events.
+ * 0 means not supported, -1 means nonsensical, other values
+ * are event codes.
+ */
+static int e500_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
+	/*
+	 * D-cache misses are not split into read/write/prefetch;
+	 * use raw event 41.
+	 */
+	[C(L1D)] = {		/* 	RESULT_ACCESS	RESULT_MISS */
+		[C(OP_READ)] = {	27,		0	},
+		[C(OP_WRITE)] = {	28,		0	},
+		[C(OP_PREFETCH)] = {	29,		0	},
+	},
+	[C(L1I)] = {		/* 	RESULT_ACCESS	RESULT_MISS */
+		[C(OP_READ)] = {	2,		60	},
+		[C(OP_WRITE)] = {	-1,		-1	},
+		[C(OP_PREFETCH)] = {	0,		0	},
+	},
+	/*
+	 * Assuming LL means L2, it's not a good match for this model.
+	 * It allocates only on L1 castout or explicit prefetch, and
+	 * does not have separate read/write events (but it does have
+	 * separate instruction/data events).
+	 */
+	[C(LL)] = {		/* 	RESULT_ACCESS	RESULT_MISS */
+		[C(OP_READ)] = {	0,		0	},
+		[C(OP_WRITE)] = {	0,		0	},
+		[C(OP_PREFETCH)] = {	0,		0	},
+	},
+	/*
+	 * There are data/instruction MMU misses, but that's a miss on
+	 * the chip's internal level-one TLB which is probably not
+	 * what the user wants.  Instead, unified level-two TLB misses
+	 * are reported here.
+	 */
+	[C(DTLB)] = {		/* 	RESULT_ACCESS	RESULT_MISS */
+		[C(OP_READ)] = {	26,		66	},
+		[C(OP_WRITE)] = {	-1,		-1	},
+		[C(OP_PREFETCH)] = {	-1,		-1	},
+	},
+	[C(BPU)] = {		/* 	RESULT_ACCESS	RESULT_MISS */
+		[C(OP_READ)] = {	12,		15 	},
+		[C(OP_WRITE)] = {	-1,		-1	},
+		[C(OP_PREFETCH)] = {	-1,		-1	},
+	},
+};
+
+static int num_events = 128;
+
+/* Upper half of event id is PMLCb, for threshold events */
+static u64 e500_xlate_event(u64 event_id)
+{
+	u32 event_low = (u32)event_id;
+	u64 ret;
+
+	if (event_low >= num_events)
+		return 0;
+
+	ret = FSL_EMB_EVENT_VALID;
+
+	if (event_low >= 76 && event_low <= 81) {
+		ret |= FSL_EMB_EVENT_RESTRICTED;
+		ret |= event_id &
+		       (FSL_EMB_EVENT_THRESHMUL | FSL_EMB_EVENT_THRESH);
+	} else if (event_id &
+	           (FSL_EMB_EVENT_THRESHMUL | FSL_EMB_EVENT_THRESH)) {
+		/* Threshold requested on non-threshold event */
+		return 0;
+	}
+
+	return ret;
+}
+
+static struct fsl_emb_pmu e500_pmu = {
+	.name			= "e500 family",
+	.n_counter		= 4,
+	.n_restricted		= 2,
+	.xlate_event		= e500_xlate_event,
+	.n_generic		= ARRAY_SIZE(e500_generic_events),
+	.generic_events		= e500_generic_events,
+	.cache_events		= &e500_cache_events,
+};
+
+static int init_e500_pmu(void)
+{
+	if (!cur_cpu_spec->oprofile_cpu_type)
+		return -ENODEV;
+
+	if (!strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc/e500mc"))
+		num_events = 256;
+	else if (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc/e500"))
+		return -ENODEV;
+
+	return register_fsl_emb_pmu(&e500_pmu);
+}
+
+arch_initcall(init_e500_pmu);
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index 925807488022..bed9a29ee383 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -219,7 +219,8 @@ generic_secondary_common_init:
 	 * physical cpu id in r24, we need to search the pacas to find
 	 * which logical id maps to our physical one.
 	 */
-	LOAD_REG_ADDR(r13, paca)	/* Get base vaddr of paca array	 */
+	LOAD_REG_ADDR(r13, paca)	/* Load paca pointer		 */
+	ld	r13,0(r13)		/* Get base vaddr of paca array	 */
 	li	r5,0			/* logical cpu id                */
 1:	lhz	r6,PACAHWCPUID(r13)	/* Load HW procid from paca      */
 	cmpw	r6,r24			/* Compare to our id             */
@@ -536,7 +537,8 @@ _GLOBAL(pmac_secondary_start)
 	mtmsrd	r3			/* RI on */
 
 	/* Set up a paca value for this processor. */
-	LOAD_REG_ADDR(r4,paca)		/* Get base vaddr of paca array	*/
+	LOAD_REG_ADDR(r4,paca)		/* Load paca pointer		*/
+	ld	r4,0(r4)		/* Get base vaddr of paca array	*/
 	mulli	r13,r24,PACA_SIZE	/* Calculate vaddr of right paca */
 	add	r13,r13,r4		/* for this processor.		*/
 	mtspr	SPRN_SPRG_PACA,r13	/* Save vaddr of paca in an SPRG*/
@@ -615,6 +617,17 @@ _GLOBAL(start_secondary_prolog)
 	std	r3,0(r1)		/* Zero the stack frame pointer	*/
 	bl	.start_secondary
 	b	.
+/*
+ * Reset stack pointer and call start_secondary
+ * to continue with online operation when woken up
+ * from cede in cpu offline.
+ */
+_GLOBAL(start_secondary_resume)
+	ld	r1,PACAKSAVE(r13)	/* Reload kernel stack pointer */
+	li	r3,0
+	std	r3,0(r1)		/* Zero the stack frame pointer	*/
+	bl	.start_secondary
+	b	.
 #endif
 
 /*
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index 25793bb0e782..725526547994 100644
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -747,9 +747,6 @@ finish_tlb_load:
 #else
 	rlwimi	r12, r11, 26, 27, 31	/* extract WIMGE from pte */
 #endif
-#ifdef CONFIG_SMP
-	ori	r12, r12, MAS2_M
-#endif
 	mtspr	SPRN_MAS2, r12
 
 #ifdef CONFIG_PTE_64BIT
@@ -887,13 +884,17 @@ KernelSPE:
 	lwz	r3,_MSR(r1)
 	oris	r3,r3,MSR_SPE@h
 	stw	r3,_MSR(r1)	/* enable use of SPE after return */
+#ifdef CONFIG_PRINTK
 	lis	r3,87f@h
 	ori	r3,r3,87f@l
 	mr	r4,r2		/* current */
 	lwz	r5,_NIP(r1)
 	bl	printk
+#endif
 	b	ret_from_except
+#ifdef CONFIG_PRINTK
 87:	.string	"SPE used in kernel  (task=%p, pc=%x)  \n"
+#endif
 	.align	4,0
 
 #endif /* CONFIG_SPE */
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 5547ae6e6b0b..ec94f906ea43 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -42,12 +42,7 @@
 
 #define DBG(...)
 
-#ifdef CONFIG_IOMMU_VMERGE
-static int novmerge = 0;
-#else
-static int novmerge = 1;
-#endif
-
+static int novmerge;
 static int protect4gb = 1;
 
 static void __iommu_free(struct iommu_table *, dma_addr_t, unsigned int);
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c
index 9ddfaef1a184..035ada5443ee 100644
--- a/arch/powerpc/kernel/legacy_serial.c
+++ b/arch/powerpc/kernel/legacy_serial.c
@@ -469,7 +469,7 @@ static int __init serial_dev_init(void)
 		return -ENODEV;
 
 	/*
-	 * Before we register the platfrom serial devices, we need
+	 * Before we register the platform serial devices, we need
 	 * to fixup their interrupts and their IO ports.
 	 */
 	DBG("Fixing serial ports interrupts and IO ports ...\n");
diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S
index 2d29752cbe16..b485a87c94e1 100644
--- a/arch/powerpc/kernel/misc.S
+++ b/arch/powerpc/kernel/misc.S
@@ -127,3 +127,31 @@ _GLOBAL(__setup_cpu_power7)
 _GLOBAL(__restore_cpu_power7)
 	/* place holder */
 	blr
+
+#ifdef CONFIG_EVENT_TRACING
+/*
+ * Get a minimal set of registers for our caller's nth caller.
+ * r3 = regs pointer, r5 = n.
+ *
+ * We only get R1 (stack pointer), NIP (next instruction pointer)
+ * and LR (link register).  These are all we can get in the
+ * general case without doing complicated stack unwinding, but
+ * fortunately they are enough to do a stack backtrace, which
+ * is all we need them for.
+ */
+_GLOBAL(perf_arch_fetch_caller_regs)
+	mr	r6,r1
+	cmpwi	r5,0
+	mflr	r4
+	ble	2f
+	mtctr	r5
+1:	PPC_LL	r6,0(r6)
+	bdnz	1b
+	PPC_LL	r4,PPC_LR_STKOFF(r6)
+2:	PPC_LL	r7,0(r6)
+	PPC_LL	r7,PPC_LR_STKOFF(r7)
+	PPC_STL	r6,GPR1-STACK_FRAME_OVERHEAD(r3)
+	PPC_STL	r4,_NIP-STACK_FRAME_OVERHEAD(r3)
+	PPC_STL	r7,_LINK-STACK_FRAME_OVERHEAD(r3)
+	blr
+#endif /* CONFIG_EVENT_TRACING */
diff --git a/arch/powerpc/kernel/paca.c b/arch/powerpc/kernel/paca.c
index d16b1ea55d44..0c40c6f476fe 100644
--- a/arch/powerpc/kernel/paca.c
+++ b/arch/powerpc/kernel/paca.c
@@ -9,11 +9,15 @@
 
 #include <linux/threads.h>
 #include <linux/module.h>
+#include <linux/lmb.h>
 
+#include <asm/firmware.h>
 #include <asm/lppaca.h>
 #include <asm/paca.h>
 #include <asm/sections.h>
 #include <asm/pgtable.h>
+#include <asm/iseries/lpar_map.h>
+#include <asm/iseries/hv_types.h>
 
 /* This symbol is provided by the linker - let it fill in the paca
  * field correctly */
@@ -70,37 +74,82 @@ struct slb_shadow slb_shadow[] __cacheline_aligned = {
  * processors.  The processor VPD array needs one entry per physical
  * processor (not thread).
  */
-struct paca_struct paca[NR_CPUS];
+struct paca_struct *paca;
 EXPORT_SYMBOL(paca);
 
-void __init initialise_pacas(void)
-{
-	int cpu;
+struct paca_struct boot_paca;
 
-	/* The TOC register (GPR2) points 32kB into the TOC, so that 64kB
-	 * of the TOC can be addressed using a single machine instruction.
-	 */
+void __init initialise_paca(struct paca_struct *new_paca, int cpu)
+{
+       /* The TOC register (GPR2) points 32kB into the TOC, so that 64kB
+	* of the TOC can be addressed using a single machine instruction.
+	*/
 	unsigned long kernel_toc = (unsigned long)(&__toc_start) + 0x8000UL;
 
-	/* Can't use for_each_*_cpu, as they aren't functional yet */
-	for (cpu = 0; cpu < NR_CPUS; cpu++) {
-		struct paca_struct *new_paca = &paca[cpu];
-
 #ifdef CONFIG_PPC_BOOK3S
-		new_paca->lppaca_ptr = &lppaca[cpu];
+	new_paca->lppaca_ptr = &lppaca[cpu];
 #else
-		new_paca->kernel_pgd = swapper_pg_dir;
+	new_paca->kernel_pgd = swapper_pg_dir;
 #endif
-		new_paca->lock_token = 0x8000;
-		new_paca->paca_index = cpu;
-		new_paca->kernel_toc = kernel_toc;
-		new_paca->kernelbase = (unsigned long) _stext;
-		new_paca->kernel_msr = MSR_KERNEL;
-		new_paca->hw_cpu_id = 0xffff;
-		new_paca->__current = &init_task;
+	new_paca->lock_token = 0x8000;
+	new_paca->paca_index = cpu;
+	new_paca->kernel_toc = kernel_toc;
+	new_paca->kernelbase = (unsigned long) _stext;
+	new_paca->kernel_msr = MSR_KERNEL;
+	new_paca->hw_cpu_id = 0xffff;
+	new_paca->__current = &init_task;
 #ifdef CONFIG_PPC_STD_MMU_64
-		new_paca->slb_shadow_ptr = &slb_shadow[cpu];
+	new_paca->slb_shadow_ptr = &slb_shadow[cpu];
 #endif /* CONFIG_PPC_STD_MMU_64 */
+}
+
+static int __initdata paca_size;
+
+void __init allocate_pacas(void)
+{
+	int nr_cpus, cpu, limit;
+
+	/*
+	 * We can't take SLB misses on the paca, and we want to access them
+	 * in real mode, so allocate them within the RMA and also within
+	 * the first segment. On iSeries they must be within the area mapped
+	 * by the HV, which is HvPagesToMap * HVPAGESIZE bytes.
+	 */
+	limit = min(0x10000000ULL, lmb.rmo_size);
+	if (firmware_has_feature(FW_FEATURE_ISERIES))
+		limit = min(limit, HvPagesToMap * HVPAGESIZE);
+
+	nr_cpus = NR_CPUS;
+	/* On iSeries we know we can never have more than 64 cpus */
+	if (firmware_has_feature(FW_FEATURE_ISERIES))
+		nr_cpus = min(64, nr_cpus);
+
+	paca_size = PAGE_ALIGN(sizeof(struct paca_struct) * nr_cpus);
+
+	paca = __va(lmb_alloc_base(paca_size, PAGE_SIZE, limit));
+	memset(paca, 0, paca_size);
+
+	printk(KERN_DEBUG "Allocated %u bytes for %d pacas at %p\n",
+		paca_size, nr_cpus, paca);
+
+	/* Can't use for_each_*_cpu, as they aren't functional yet */
+	for (cpu = 0; cpu < nr_cpus; cpu++)
+		initialise_paca(&paca[cpu], cpu);
+}
+
+void __init free_unused_pacas(void)
+{
+	int new_size;
+
+	new_size = PAGE_ALIGN(sizeof(struct paca_struct) * num_possible_cpus());
+
+	if (new_size >= paca_size)
+		return;
+
+	lmb_free(__pa(paca) + new_size, paca_size - new_size);
+
+	printk(KERN_DEBUG "Freed %u bytes for unused pacas\n",
+		paca_size - new_size);
 
-	}
+	paca_size = new_size;
 }
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c
index 2597f9545d8a..f3c42ce516e7 100644
--- a/arch/powerpc/kernel/pci-common.c
+++ b/arch/powerpc/kernel/pci-common.c
@@ -63,21 +63,6 @@ struct dma_map_ops *get_pci_dma_ops(void)
 }
 EXPORT_SYMBOL(get_pci_dma_ops);
 
-int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
-{
-	return dma_set_mask(&dev->dev, mask);
-}
-
-int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
-{
-	int rc;
-
-	rc = dma_set_mask(&dev->dev, mask);
-	dev->dev.coherent_dma_mask = dev->dma_mask;
-
-	return rc;
-}
-
 struct pci_controller *pcibios_alloc_controller(struct device_node *dev)
 {
 	struct pci_controller *phb;
diff --git a/arch/powerpc/kernel/perf_event.c b/arch/powerpc/kernel/perf_event.c
index b6cf8f1f4d35..08460a2e9f41 100644
--- a/arch/powerpc/kernel/perf_event.c
+++ b/arch/powerpc/kernel/perf_event.c
@@ -1164,10 +1164,10 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
 	 * Finally record data if requested.
 	 */
 	if (record) {
-		struct perf_sample_data data = {
-			.addr	= ~0ULL,
-			.period	= event->hw.last_period,
-		};
+		struct perf_sample_data data;
+
+		perf_sample_data_init(&data, ~0ULL);
+		data.period = event->hw.last_period;
 
 		if (event->attr.sample_type & PERF_SAMPLE_ADDR)
 			perf_get_data_addr(regs, &data.addr);
@@ -1287,7 +1287,7 @@ static void perf_event_interrupt(struct pt_regs *regs)
 		irq_exit();
 }
 
-void hw_perf_event_setup(int cpu)
+static void power_pmu_setup(int cpu)
 {
 	struct cpu_hw_events *cpuhw = &per_cpu(cpu_hw_events, cpu);
 
@@ -1297,6 +1297,23 @@ void hw_perf_event_setup(int cpu)
 	cpuhw->mmcr[0] = MMCR0_FC;
 }
 
+static int __cpuinit
+power_pmu_notifier(struct notifier_block *self, unsigned long action, void *hcpu)
+{
+	unsigned int cpu = (long)hcpu;
+
+	switch (action & ~CPU_TASKS_FROZEN) {
+	case CPU_UP_PREPARE:
+		power_pmu_setup(cpu);
+		break;
+
+	default:
+		break;
+	}
+
+	return NOTIFY_OK;
+}
+
 int register_power_pmu(struct power_pmu *pmu)
 {
 	if (ppmu)
@@ -1314,5 +1331,7 @@ int register_power_pmu(struct power_pmu *pmu)
 		freeze_events_kernel = MMCR0_FCHV;
 #endif /* CONFIG_PPC64 */
 
+	perf_cpu_notifier(power_pmu_notifier);
+
 	return 0;
 }
diff --git a/arch/powerpc/kernel/perf_event_fsl_emb.c b/arch/powerpc/kernel/perf_event_fsl_emb.c
new file mode 100644
index 000000000000..369872f6cf78
--- /dev/null
+++ b/arch/powerpc/kernel/perf_event_fsl_emb.c
@@ -0,0 +1,654 @@
+/*
+ * Performance event support - Freescale Embedded Performance Monitor
+ *
+ * Copyright 2008-2009 Paul Mackerras, IBM Corporation.
+ * Copyright 2010 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/perf_event.h>
+#include <linux/percpu.h>
+#include <linux/hardirq.h>
+#include <asm/reg_fsl_emb.h>
+#include <asm/pmc.h>
+#include <asm/machdep.h>
+#include <asm/firmware.h>
+#include <asm/ptrace.h>
+
+struct cpu_hw_events {
+	int n_events;
+	int disabled;
+	u8  pmcs_enabled;
+	struct perf_event *event[MAX_HWEVENTS];
+};
+static DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events);
+
+static struct fsl_emb_pmu *ppmu;
+
+/* Number of perf_events counting hardware events */
+static atomic_t num_events;
+/* Used to avoid races in calling reserve/release_pmc_hardware */
+static DEFINE_MUTEX(pmc_reserve_mutex);
+
+/*
+ * If interrupts were soft-disabled when a PMU interrupt occurs, treat
+ * it as an NMI.
+ */
+static inline int perf_intr_is_nmi(struct pt_regs *regs)
+{
+#ifdef __powerpc64__
+	return !regs->softe;
+#else
+	return 0;
+#endif
+}
+
+static void perf_event_interrupt(struct pt_regs *regs);
+
+/*
+ * Read one performance monitor counter (PMC).
+ */
+static unsigned long read_pmc(int idx)
+{
+	unsigned long val;
+
+	switch (idx) {
+	case 0:
+		val = mfpmr(PMRN_PMC0);
+		break;
+	case 1:
+		val = mfpmr(PMRN_PMC1);
+		break;
+	case 2:
+		val = mfpmr(PMRN_PMC2);
+		break;
+	case 3:
+		val = mfpmr(PMRN_PMC3);
+		break;
+	default:
+		printk(KERN_ERR "oops trying to read PMC%d\n", idx);
+		val = 0;
+	}
+	return val;
+}
+
+/*
+ * Write one PMC.
+ */
+static void write_pmc(int idx, unsigned long val)
+{
+	switch (idx) {
+	case 0:
+		mtpmr(PMRN_PMC0, val);
+		break;
+	case 1:
+		mtpmr(PMRN_PMC1, val);
+		break;
+	case 2:
+		mtpmr(PMRN_PMC2, val);
+		break;
+	case 3:
+		mtpmr(PMRN_PMC3, val);
+		break;
+	default:
+		printk(KERN_ERR "oops trying to write PMC%d\n", idx);
+	}
+
+	isync();
+}
+
+/*
+ * Write one local control A register
+ */
+static void write_pmlca(int idx, unsigned long val)
+{
+	switch (idx) {
+	case 0:
+		mtpmr(PMRN_PMLCA0, val);
+		break;
+	case 1:
+		mtpmr(PMRN_PMLCA1, val);
+		break;
+	case 2:
+		mtpmr(PMRN_PMLCA2, val);
+		break;
+	case 3:
+		mtpmr(PMRN_PMLCA3, val);
+		break;
+	default:
+		printk(KERN_ERR "oops trying to write PMLCA%d\n", idx);
+	}
+
+	isync();
+}
+
+/*
+ * Write one local control B register
+ */
+static void write_pmlcb(int idx, unsigned long val)
+{
+	switch (idx) {
+	case 0:
+		mtpmr(PMRN_PMLCB0, val);
+		break;
+	case 1:
+		mtpmr(PMRN_PMLCB1, val);
+		break;
+	case 2:
+		mtpmr(PMRN_PMLCB2, val);
+		break;
+	case 3:
+		mtpmr(PMRN_PMLCB3, val);
+		break;
+	default:
+		printk(KERN_ERR "oops trying to write PMLCB%d\n", idx);
+	}
+
+	isync();
+}
+
+static void fsl_emb_pmu_read(struct perf_event *event)
+{
+	s64 val, delta, prev;
+
+	/*
+	 * Performance monitor interrupts come even when interrupts
+	 * are soft-disabled, as long as interrupts are hard-enabled.
+	 * Therefore we treat them like NMIs.
+	 */
+	do {
+		prev = atomic64_read(&event->hw.prev_count);
+		barrier();
+		val = read_pmc(event->hw.idx);
+	} while (atomic64_cmpxchg(&event->hw.prev_count, prev, val) != prev);
+
+	/* The counters are only 32 bits wide */
+	delta = (val - prev) & 0xfffffffful;
+	atomic64_add(delta, &event->count);
+	atomic64_sub(delta, &event->hw.period_left);
+}
+
+/*
+ * Disable all events to prevent PMU interrupts and to allow
+ * events to be added or removed.
+ */
+void hw_perf_disable(void)
+{
+	struct cpu_hw_events *cpuhw;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	cpuhw = &__get_cpu_var(cpu_hw_events);
+
+	if (!cpuhw->disabled) {
+		cpuhw->disabled = 1;
+
+		/*
+		 * Check if we ever enabled the PMU on this cpu.
+		 */
+		if (!cpuhw->pmcs_enabled) {
+			ppc_enable_pmcs();
+			cpuhw->pmcs_enabled = 1;
+		}
+
+		if (atomic_read(&num_events)) {
+			/*
+			 * Set the 'freeze all counters' bit, and disable
+			 * interrupts.  The barrier is to make sure the
+			 * mtpmr has been executed and the PMU has frozen
+			 * the events before we return.
+			 */
+
+			mtpmr(PMRN_PMGC0, PMGC0_FAC);
+			isync();
+		}
+	}
+	local_irq_restore(flags);
+}
+
+/*
+ * Re-enable all events if disable == 0.
+ * If we were previously disabled and events were added, then
+ * put the new config on the PMU.
+ */
+void hw_perf_enable(void)
+{
+	struct cpu_hw_events *cpuhw;
+	unsigned long flags;
+
+	local_irq_save(flags);
+	cpuhw = &__get_cpu_var(cpu_hw_events);
+	if (!cpuhw->disabled)
+		goto out;
+
+	cpuhw->disabled = 0;
+	ppc_set_pmu_inuse(cpuhw->n_events != 0);
+
+	if (cpuhw->n_events > 0) {
+		mtpmr(PMRN_PMGC0, PMGC0_PMIE | PMGC0_FCECE);
+		isync();
+	}
+
+ out:
+	local_irq_restore(flags);
+}
+
+static int collect_events(struct perf_event *group, int max_count,
+			  struct perf_event *ctrs[])
+{
+	int n = 0;
+	struct perf_event *event;
+
+	if (!is_software_event(group)) {
+		if (n >= max_count)
+			return -1;
+		ctrs[n] = group;
+		n++;
+	}
+	list_for_each_entry(event, &group->sibling_list, group_entry) {
+		if (!is_software_event(event) &&
+		    event->state != PERF_EVENT_STATE_OFF) {
+			if (n >= max_count)
+				return -1;
+			ctrs[n] = event;
+			n++;
+		}
+	}
+	return n;
+}
+
+/* perf must be disabled, context locked on entry */
+static int fsl_emb_pmu_enable(struct perf_event *event)
+{
+	struct cpu_hw_events *cpuhw;
+	int ret = -EAGAIN;
+	int num_counters = ppmu->n_counter;
+	u64 val;
+	int i;
+
+	cpuhw = &get_cpu_var(cpu_hw_events);
+
+	if (event->hw.config & FSL_EMB_EVENT_RESTRICTED)
+		num_counters = ppmu->n_restricted;
+
+	/*
+	 * Allocate counters from top-down, so that restricted-capable
+	 * counters are kept free as long as possible.
+	 */
+	for (i = num_counters - 1; i >= 0; i--) {
+		if (cpuhw->event[i])
+			continue;
+
+		break;
+	}
+
+	if (i < 0)
+		goto out;
+
+	event->hw.idx = i;
+	cpuhw->event[i] = event;
+	++cpuhw->n_events;
+
+	val = 0;
+	if (event->hw.sample_period) {
+		s64 left = atomic64_read(&event->hw.period_left);
+		if (left < 0x80000000L)
+			val = 0x80000000L - left;
+	}
+	atomic64_set(&event->hw.prev_count, val);
+	write_pmc(i, val);
+	perf_event_update_userpage(event);
+
+	write_pmlcb(i, event->hw.config >> 32);
+	write_pmlca(i, event->hw.config_base);
+
+	ret = 0;
+ out:
+	put_cpu_var(cpu_hw_events);
+	return ret;
+}
+
+/* perf must be disabled, context locked on entry */
+static void fsl_emb_pmu_disable(struct perf_event *event)
+{
+	struct cpu_hw_events *cpuhw;
+	int i = event->hw.idx;
+
+	if (i < 0)
+		goto out;
+
+	fsl_emb_pmu_read(event);
+
+	cpuhw = &get_cpu_var(cpu_hw_events);
+
+	WARN_ON(event != cpuhw->event[event->hw.idx]);
+
+	write_pmlca(i, 0);
+	write_pmlcb(i, 0);
+	write_pmc(i, 0);
+
+	cpuhw->event[i] = NULL;
+	event->hw.idx = -1;
+
+	/*
+	 * TODO: if at least one restricted event exists, and we
+	 * just freed up a non-restricted-capable counter, and
+	 * there is a restricted-capable counter occupied by
+	 * a non-restricted event, migrate that event to the
+	 * vacated counter.
+	 */
+
+	cpuhw->n_events--;
+
+ out:
+	put_cpu_var(cpu_hw_events);
+}
+
+/*
+ * Re-enable interrupts on a event after they were throttled
+ * because they were coming too fast.
+ *
+ * Context is locked on entry, but perf is not disabled.
+ */
+static void fsl_emb_pmu_unthrottle(struct perf_event *event)
+{
+	s64 val, left;
+	unsigned long flags;
+
+	if (event->hw.idx < 0 || !event->hw.sample_period)
+		return;
+	local_irq_save(flags);
+	perf_disable();
+	fsl_emb_pmu_read(event);
+	left = event->hw.sample_period;
+	event->hw.last_period = left;
+	val = 0;
+	if (left < 0x80000000L)
+		val = 0x80000000L - left;
+	write_pmc(event->hw.idx, val);
+	atomic64_set(&event->hw.prev_count, val);
+	atomic64_set(&event->hw.period_left, left);
+	perf_event_update_userpage(event);
+	perf_enable();
+	local_irq_restore(flags);
+}
+
+static struct pmu fsl_emb_pmu = {
+	.enable		= fsl_emb_pmu_enable,
+	.disable	= fsl_emb_pmu_disable,
+	.read		= fsl_emb_pmu_read,
+	.unthrottle	= fsl_emb_pmu_unthrottle,
+};
+
+/*
+ * Release the PMU if this is the last perf_event.
+ */
+static void hw_perf_event_destroy(struct perf_event *event)
+{
+	if (!atomic_add_unless(&num_events, -1, 1)) {
+		mutex_lock(&pmc_reserve_mutex);
+		if (atomic_dec_return(&num_events) == 0)
+			release_pmc_hardware();
+		mutex_unlock(&pmc_reserve_mutex);
+	}
+}
+
+/*
+ * Translate a generic cache event_id config to a raw event_id code.
+ */
+static int hw_perf_cache_event(u64 config, u64 *eventp)
+{
+	unsigned long type, op, result;
+	int ev;
+
+	if (!ppmu->cache_events)
+		return -EINVAL;
+
+	/* unpack config */
+	type = config & 0xff;
+	op = (config >> 8) & 0xff;
+	result = (config >> 16) & 0xff;
+
+	if (type >= PERF_COUNT_HW_CACHE_MAX ||
+	    op >= PERF_COUNT_HW_CACHE_OP_MAX ||
+	    result >= PERF_COUNT_HW_CACHE_RESULT_MAX)
+		return -EINVAL;
+
+	ev = (*ppmu->cache_events)[type][op][result];
+	if (ev == 0)
+		return -EOPNOTSUPP;
+	if (ev == -1)
+		return -EINVAL;
+	*eventp = ev;
+	return 0;
+}
+
+const struct pmu *hw_perf_event_init(struct perf_event *event)
+{
+	u64 ev;
+	struct perf_event *events[MAX_HWEVENTS];
+	int n;
+	int err;
+	int num_restricted;
+	int i;
+
+	switch (event->attr.type) {
+	case PERF_TYPE_HARDWARE:
+		ev = event->attr.config;
+		if (ev >= ppmu->n_generic || ppmu->generic_events[ev] == 0)
+			return ERR_PTR(-EOPNOTSUPP);
+		ev = ppmu->generic_events[ev];
+		break;
+
+	case PERF_TYPE_HW_CACHE:
+		err = hw_perf_cache_event(event->attr.config, &ev);
+		if (err)
+			return ERR_PTR(err);
+		break;
+
+	case PERF_TYPE_RAW:
+		ev = event->attr.config;
+		break;
+
+	default:
+		return ERR_PTR(-EINVAL);
+	}
+
+	event->hw.config = ppmu->xlate_event(ev);
+	if (!(event->hw.config & FSL_EMB_EVENT_VALID))
+		return ERR_PTR(-EINVAL);
+
+	/*
+	 * If this is in a group, check if it can go on with all the
+	 * other hardware events in the group.  We assume the event
+	 * hasn't been linked into its leader's sibling list at this point.
+	 */
+	n = 0;
+	if (event->group_leader != event) {
+		n = collect_events(event->group_leader,
+		                   ppmu->n_counter - 1, events);
+		if (n < 0)
+			return ERR_PTR(-EINVAL);
+	}
+
+	if (event->hw.config & FSL_EMB_EVENT_RESTRICTED) {
+		num_restricted = 0;
+		for (i = 0; i < n; i++) {
+			if (events[i]->hw.config & FSL_EMB_EVENT_RESTRICTED)
+				num_restricted++;
+		}
+
+		if (num_restricted >= ppmu->n_restricted)
+			return ERR_PTR(-EINVAL);
+	}
+
+	event->hw.idx = -1;
+
+	event->hw.config_base = PMLCA_CE | PMLCA_FCM1 |
+	                        (u32)((ev << 16) & PMLCA_EVENT_MASK);
+
+	if (event->attr.exclude_user)
+		event->hw.config_base |= PMLCA_FCU;
+	if (event->attr.exclude_kernel)
+		event->hw.config_base |= PMLCA_FCS;
+	if (event->attr.exclude_idle)
+		return ERR_PTR(-ENOTSUPP);
+
+	event->hw.last_period = event->hw.sample_period;
+	atomic64_set(&event->hw.period_left, event->hw.last_period);
+
+	/*
+	 * See if we need to reserve the PMU.
+	 * If no events are currently in use, then we have to take a
+	 * mutex to ensure that we don't race with another task doing
+	 * reserve_pmc_hardware or release_pmc_hardware.
+	 */
+	err = 0;
+	if (!atomic_inc_not_zero(&num_events)) {
+		mutex_lock(&pmc_reserve_mutex);
+		if (atomic_read(&num_events) == 0 &&
+		    reserve_pmc_hardware(perf_event_interrupt))
+			err = -EBUSY;
+		else
+			atomic_inc(&num_events);
+		mutex_unlock(&pmc_reserve_mutex);
+
+		mtpmr(PMRN_PMGC0, PMGC0_FAC);
+		isync();
+	}
+	event->destroy = hw_perf_event_destroy;
+
+	if (err)
+		return ERR_PTR(err);
+	return &fsl_emb_pmu;
+}
+
+/*
+ * A counter has overflowed; update its count and record
+ * things if requested.  Note that interrupts are hard-disabled
+ * here so there is no possibility of being interrupted.
+ */
+static void record_and_restart(struct perf_event *event, unsigned long val,
+			       struct pt_regs *regs, int nmi)
+{
+	u64 period = event->hw.sample_period;
+	s64 prev, delta, left;
+	int record = 0;
+
+	/* we don't have to worry about interrupts here */
+	prev = atomic64_read(&event->hw.prev_count);
+	delta = (val - prev) & 0xfffffffful;
+	atomic64_add(delta, &event->count);
+
+	/*
+	 * See if the total period for this event has expired,
+	 * and update for the next period.
+	 */
+	val = 0;
+	left = atomic64_read(&event->hw.period_left) - delta;
+	if (period) {
+		if (left <= 0) {
+			left += period;
+			if (left <= 0)
+				left = period;
+			record = 1;
+		}
+		if (left < 0x80000000LL)
+			val = 0x80000000LL - left;
+	}
+
+	/*
+	 * Finally record data if requested.
+	 */
+	if (record) {
+		struct perf_sample_data data = {
+			.period	= event->hw.last_period,
+		};
+
+		if (perf_event_overflow(event, nmi, &data, regs)) {
+			/*
+			 * Interrupts are coming too fast - throttle them
+			 * by setting the event to 0, so it will be
+			 * at least 2^30 cycles until the next interrupt
+			 * (assuming each event counts at most 2 counts
+			 * per cycle).
+			 */
+			val = 0;
+			left = ~0ULL >> 1;
+		}
+	}
+
+	write_pmc(event->hw.idx, val);
+	atomic64_set(&event->hw.prev_count, val);
+	atomic64_set(&event->hw.period_left, left);
+	perf_event_update_userpage(event);
+}
+
+static void perf_event_interrupt(struct pt_regs *regs)
+{
+	int i;
+	struct cpu_hw_events *cpuhw = &__get_cpu_var(cpu_hw_events);
+	struct perf_event *event;
+	unsigned long val;
+	int found = 0;
+	int nmi;
+
+	nmi = perf_intr_is_nmi(regs);
+	if (nmi)
+		nmi_enter();
+	else
+		irq_enter();
+
+	for (i = 0; i < ppmu->n_counter; ++i) {
+		event = cpuhw->event[i];
+
+		val = read_pmc(i);
+		if ((int)val < 0) {
+			if (event) {
+				/* event has overflowed */
+				found = 1;
+				record_and_restart(event, val, regs, nmi);
+			} else {
+				/*
+				 * Disabled counter is negative,
+				 * reset it just in case.
+				 */
+				write_pmc(i, 0);
+			}
+		}
+	}
+
+	/* PMM will keep counters frozen until we return from the interrupt. */
+	mtmsr(mfmsr() | MSR_PMM);
+	mtpmr(PMRN_PMGC0, PMGC0_PMIE | PMGC0_FCECE);
+	isync();
+
+	if (nmi)
+		nmi_exit();
+	else
+		irq_exit();
+}
+
+void hw_perf_event_setup(int cpu)
+{
+	struct cpu_hw_events *cpuhw = &per_cpu(cpu_hw_events, cpu);
+
+	memset(cpuhw, 0, sizeof(*cpuhw));
+}
+
+int register_fsl_emb_pmu(struct fsl_emb_pmu *pmu)
+{
+	if (ppmu)
+		return -EBUSY;		/* something's already registered */
+
+	ppmu = pmu;
+	pr_info("%s performance monitor hardware support registered\n",
+		pmu->name);
+
+	return 0;
+}
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index 425451453e96..ab3e392ac63c 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -107,6 +107,7 @@ EXPORT_SYMBOL(giveup_altivec);
 #endif /* CONFIG_ALTIVEC */
 #ifdef CONFIG_VSX
 EXPORT_SYMBOL(giveup_vsx);
+EXPORT_SYMBOL_GPL(__giveup_vsx);
 #endif /* CONFIG_VSX */
 #ifdef CONFIG_SPE
 EXPORT_SYMBOL(giveup_spe);
diff --git a/arch/powerpc/kernel/prom.c b/arch/powerpc/kernel/prom.c
index 43238b2054b6..05131d634e73 100644
--- a/arch/powerpc/kernel/prom.c
+++ b/arch/powerpc/kernel/prom.c
@@ -43,6 +43,7 @@
 #include <asm/smp.h>
 #include <asm/system.h>
 #include <asm/mmu.h>
+#include <asm/paca.h>
 #include <asm/pgtable.h>
 #include <asm/pci.h>
 #include <asm/iommu.h>
@@ -721,6 +722,8 @@ void __init early_init_devtree(void *params)
 	 * FIXME .. and the initrd too? */
 	move_device_tree();
 
+	allocate_pacas();
+
 	DBG("Scanning CPUs ...\n");
 
 	/* Retreive CPU related informations from the flat tree
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index d9b05866615f..ed2cfe17d25e 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -940,7 +940,7 @@ static int del_instruction_bp(struct task_struct *child, int slot)
 {
 	switch (slot) {
 	case 1:
-		if (child->thread.iac1 == 0)
+		if ((child->thread.dbcr0 & DBCR0_IAC1) == 0)
 			return -ENOENT;
 
 		if (dbcr_iac_range(child) & DBCR_IAC12MODE) {
@@ -952,7 +952,7 @@ static int del_instruction_bp(struct task_struct *child, int slot)
 		child->thread.dbcr0 &= ~DBCR0_IAC1;
 		break;
 	case 2:
-		if (child->thread.iac2 == 0)
+		if ((child->thread.dbcr0 & DBCR0_IAC2) == 0)
 			return -ENOENT;
 
 		if (dbcr_iac_range(child) & DBCR_IAC12MODE)
@@ -963,7 +963,7 @@ static int del_instruction_bp(struct task_struct *child, int slot)
 		break;
 #if CONFIG_PPC_ADV_DEBUG_IACS > 2
 	case 3:
-		if (child->thread.iac3 == 0)
+		if ((child->thread.dbcr0 & DBCR0_IAC3) == 0)
 			return -ENOENT;
 
 		if (dbcr_iac_range(child) & DBCR_IAC34MODE) {
@@ -975,7 +975,7 @@ static int del_instruction_bp(struct task_struct *child, int slot)
 		child->thread.dbcr0 &= ~DBCR0_IAC3;
 		break;
 	case 4:
-		if (child->thread.iac4 == 0)
+		if ((child->thread.dbcr0 & DBCR0_IAC4) == 0)
 			return -ENOENT;
 
 		if (dbcr_iac_range(child) & DBCR_IAC34MODE)
@@ -1054,7 +1054,7 @@ static int set_dac(struct task_struct *child, struct ppc_hw_breakpoint *bp_info)
 static int del_dac(struct task_struct *child, int slot)
 {
 	if (slot == 1) {
-		if (child->thread.dac1 == 0)
+		if ((dbcr_dac(child) & (DBCR_DAC1R | DBCR_DAC1W)) == 0)
 			return -ENOENT;
 
 		child->thread.dac1 = 0;
@@ -1070,7 +1070,7 @@ static int del_dac(struct task_struct *child, int slot)
 		child->thread.dvc1 = 0;
 #endif
 	} else if (slot == 2) {
-		if (child->thread.dac1 == 0)
+		if ((dbcr_dac(child) & (DBCR_DAC2R | DBCR_DAC2W)) == 0)
 			return -ENOENT;
 
 #ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 03dd6a248198..48f0a008b20b 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -36,6 +36,7 @@
 #include <linux/lmb.h>
 #include <linux/of_platform.h>
 #include <asm/io.h>
+#include <asm/paca.h>
 #include <asm/prom.h>
 #include <asm/processor.h>
 #include <asm/vdso_datapage.h>
@@ -493,6 +494,8 @@ void __init smp_setup_cpu_maps(void)
 	 * here will have to be reworked
 	 */
 	cpu_init_thread_core_maps(nthreads);
+
+	free_unused_pacas();
 }
 #endif /* CONFIG_SMP */
 
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c
index b152de3e64d4..8f58986c2ad9 100644
--- a/arch/powerpc/kernel/setup_32.c
+++ b/arch/powerpc/kernel/setup_32.c
@@ -39,7 +39,6 @@
 #include <asm/serial.h>
 #include <asm/udbg.h>
 #include <asm/mmu_context.h>
-#include <asm/swiotlb.h>
 
 #include "setup.h"
 
@@ -343,11 +342,6 @@ void __init setup_arch(char **cmdline_p)
 		ppc_md.setup_arch();
 	if ( ppc_md.progress ) ppc_md.progress("arch: exit", 0x3eab);
 
-#ifdef CONFIG_SWIOTLB
-	if (ppc_swiotlb_enable)
-		swiotlb_init(1);
-#endif
-
 	paging_init();
 
 	/* Initialize the MMU context management stuff */
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c
index 6568406b2a30..914389158a9b 100644
--- a/arch/powerpc/kernel/setup_64.c
+++ b/arch/powerpc/kernel/setup_64.c
@@ -61,7 +61,6 @@
 #include <asm/xmon.h>
 #include <asm/udbg.h>
 #include <asm/kexec.h>
-#include <asm/swiotlb.h>
 #include <asm/mmu_context.h>
 
 #include "setup.h"
@@ -144,9 +143,9 @@ early_param("smt-enabled", early_smt_enabled);
 #endif /* CONFIG_SMP */
 
 /* Put the paca pointer into r13 and SPRG_PACA */
-void __init setup_paca(int cpu)
+static void __init setup_paca(struct paca_struct *new_paca)
 {
-	local_paca = &paca[cpu];
+	local_paca = new_paca;
 	mtspr(SPRN_SPRG_PACA, local_paca);
 #ifdef CONFIG_PPC_BOOK3E
 	mtspr(SPRN_SPRG_TLB_EXFRAME, local_paca->extlb);
@@ -176,14 +175,12 @@ void __init early_setup(unsigned long dt_ptr)
 {
 	/* -------- printk is _NOT_ safe to use here ! ------- */
 
-	/* Fill in any unititialised pacas */
-	initialise_pacas();
-
 	/* Identify CPU type */
 	identify_cpu(0, mfspr(SPRN_PVR));
 
 	/* Assume we're on cpu 0 for now. Don't write to the paca yet! */
-	setup_paca(0);
+	initialise_paca(&boot_paca, 0);
+	setup_paca(&boot_paca);
 
 	/* Initialize lockdep early or else spinlocks will blow */
 	lockdep_init();
@@ -203,7 +200,7 @@ void __init early_setup(unsigned long dt_ptr)
 	early_init_devtree(__va(dt_ptr));
 
 	/* Now we know the logical id of our boot cpu, setup the paca. */
-	setup_paca(boot_cpuid);
+	setup_paca(&paca[boot_cpuid]);
 
 	/* Fix up paca fields required for the boot cpu */
 	get_paca()->cpu_start = 1;
@@ -543,11 +540,6 @@ void __init setup_arch(char **cmdline_p)
 	if (ppc_md.setup_arch)
 		ppc_md.setup_arch();
 
-#ifdef CONFIG_SWIOTLB
-	if (ppc_swiotlb_enable)
-		swiotlb_init(1);
-#endif
-
 	paging_init();
 
 	/* Initialize the MMU context management stuff */
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c
index 3370e62e43d4..f2496f2faecc 100644
--- a/arch/powerpc/kernel/syscalls.c
+++ b/arch/powerpc/kernel/syscalls.c
@@ -42,100 +42,6 @@
 #include <asm/time.h>
 #include <asm/unistd.h>
 
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-int sys_ipc(uint call, int first, unsigned long second, long third,
-	    void __user *ptr, long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	ret = -ENOSYS;
-	switch (call) {
-	case SEMOP:
-		ret = sys_semtimedop(first, (struct sembuf __user *)ptr,
-				      (unsigned)second, NULL);
-		break;
-	case SEMTIMEDOP:
-		ret = sys_semtimedop(first, (struct sembuf __user *)ptr,
-				      (unsigned)second,
-				      (const struct timespec __user *) fifth);
-		break;
-	case SEMGET:
-		ret = sys_semget (first, (int)second, third);
-		break;
-	case SEMCTL: {
-		union semun fourth;
-
-		ret = -EINVAL;
-		if (!ptr)
-			break;
-		if ((ret = get_user(fourth.__pad, (void __user * __user *)ptr)))
-			break;
-		ret = sys_semctl(first, (int)second, third, fourth);
-		break;
-	}
-	case MSGSND:
-		ret = sys_msgsnd(first, (struct msgbuf __user *)ptr,
-				 (size_t)second, third);
-		break;
-	case MSGRCV:
-		switch (version) {
-		case 0: {
-			struct ipc_kludge tmp;
-
-			ret = -EINVAL;
-			if (!ptr)
-				break;
-			if ((ret = copy_from_user(&tmp,
-						(struct ipc_kludge __user *) ptr,
-						sizeof (tmp)) ? -EFAULT : 0))
-				break;
-			ret = sys_msgrcv(first, tmp.msgp, (size_t) second,
-					  tmp.msgtyp, third);
-			break;
-		}
-		default:
-			ret = sys_msgrcv (first, (struct msgbuf __user *) ptr,
-					  (size_t)second, fifth, third);
-			break;
-		}
-		break;
-	case MSGGET:
-		ret = sys_msgget((key_t)first, (int)second);
-		break;
-	case MSGCTL:
-		ret = sys_msgctl(first, (int)second,
-				  (struct msqid_ds __user *)ptr);
-		break;
-	case SHMAT: {
-		ulong raddr;
-		ret = do_shmat(first, (char __user *)ptr, (int)second, &raddr);
-		if (ret)
-			break;
-		ret = put_user(raddr, (ulong __user *) third);
-		break;
-	}
-	case SHMDT:
-		ret = sys_shmdt((char __user *)ptr);
-		break;
-	case SHMGET:
-		ret = sys_shmget(first, (size_t)second, third);
-		break;
-	case SHMCTL:
-		ret = sys_shmctl(first, (int)second,
-				 (struct shmid_ds __user *)ptr);
-		break;
-	}
-
-	return ret;
-}
-
 static inline unsigned long do_mmap2(unsigned long addr, size_t len,
 			unsigned long prot, unsigned long flags,
 			unsigned long fd, unsigned long off, int shift)
@@ -210,76 +116,6 @@ long ppc64_personality(unsigned long personality)
 }
 #endif
 
-#ifdef CONFIG_PPC64
-#define OVERRIDE_MACHINE    (personality(current->personality) == PER_LINUX32)
-#else
-#define OVERRIDE_MACHINE    0
-#endif
-
-static inline int override_machine(char __user *mach)
-{
-	if (OVERRIDE_MACHINE) {
-		/* change ppc64 to ppc */
-		if (__put_user(0, mach+3) || __put_user(0, mach+4))
-			return -EFAULT;
-	}
-	return 0;
-}
-
-long ppc_newuname(struct new_utsname __user * name)
-{
-	int err = 0;
-
-	down_read(&uts_sem);
-	if (copy_to_user(name, utsname(), sizeof(*name)))
-		err = -EFAULT;
-	up_read(&uts_sem);
-	if (!err)
-		err = override_machine(name->machine);
-	return err;
-}
-
-int sys_uname(struct old_utsname __user *name)
-{
-	int err = 0;
-	
-	down_read(&uts_sem);
-	if (copy_to_user(name, utsname(), sizeof(*name)))
-		err = -EFAULT;
-	up_read(&uts_sem);
-	if (!err)
-		err = override_machine(name->machine);
-	return err;
-}
-
-int sys_olduname(struct oldold_utsname __user *name)
-{
-	int error;
-
-	if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
-		return -EFAULT;
-  
-	down_read(&uts_sem);
-	error = __copy_to_user(&name->sysname, &utsname()->sysname,
-			       __OLD_UTS_LEN);
-	error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
-	error |= __copy_to_user(&name->nodename, &utsname()->nodename,
-				__OLD_UTS_LEN);
-	error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
-	error |= __copy_to_user(&name->release, &utsname()->release,
-				__OLD_UTS_LEN);
-	error |= __put_user(0, name->release + __OLD_UTS_LEN);
-	error |= __copy_to_user(&name->version, &utsname()->version,
-				__OLD_UTS_LEN);
-	error |= __put_user(0, name->version + __OLD_UTS_LEN);
-	error |= __copy_to_user(&name->machine, &utsname()->machine,
-				__OLD_UTS_LEN);
-	error |= override_machine(name->machine);
-	up_read(&uts_sem);
-
-	return error? -EFAULT: 0;
-}
-
 long ppc_fadvise64_64(int fd, int advice, u32 offset_high, u32 offset_low,
 		      u32 len_high, u32 len_low)
 {
diff --git a/arch/powerpc/kvm/44x_emulate.c b/arch/powerpc/kvm/44x_emulate.c
index 61af58fcecee..65ea083a5b27 100644
--- a/arch/powerpc/kvm/44x_emulate.c
+++ b/arch/powerpc/kvm/44x_emulate.c
@@ -65,13 +65,14 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			 */
 			switch (dcrn) {
 			case DCRN_CPR0_CONFIG_ADDR:
-				vcpu->arch.gpr[rt] = vcpu->arch.cpr0_cfgaddr;
+				kvmppc_set_gpr(vcpu, rt, vcpu->arch.cpr0_cfgaddr);
 				break;
 			case DCRN_CPR0_CONFIG_DATA:
 				local_irq_disable();
 				mtdcr(DCRN_CPR0_CONFIG_ADDR,
 					  vcpu->arch.cpr0_cfgaddr);
-				vcpu->arch.gpr[rt] = mfdcr(DCRN_CPR0_CONFIG_DATA);
+				kvmppc_set_gpr(vcpu, rt,
+					       mfdcr(DCRN_CPR0_CONFIG_DATA));
 				local_irq_enable();
 				break;
 			default:
@@ -93,11 +94,11 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			/* emulate some access in kernel */
 			switch (dcrn) {
 			case DCRN_CPR0_CONFIG_ADDR:
-				vcpu->arch.cpr0_cfgaddr = vcpu->arch.gpr[rs];
+				vcpu->arch.cpr0_cfgaddr = kvmppc_get_gpr(vcpu, rs);
 				break;
 			default:
 				run->dcr.dcrn = dcrn;
-				run->dcr.data = vcpu->arch.gpr[rs];
+				run->dcr.data = kvmppc_get_gpr(vcpu, rs);
 				run->dcr.is_write = 1;
 				vcpu->arch.dcr_needed = 1;
 				kvmppc_account_exit(vcpu, DCR_EXITS);
@@ -146,13 +147,13 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
 
 	switch (sprn) {
 	case SPRN_PID:
-		kvmppc_set_pid(vcpu, vcpu->arch.gpr[rs]); break;
+		kvmppc_set_pid(vcpu, kvmppc_get_gpr(vcpu, rs)); break;
 	case SPRN_MMUCR:
-		vcpu->arch.mmucr = vcpu->arch.gpr[rs]; break;
+		vcpu->arch.mmucr = kvmppc_get_gpr(vcpu, rs); break;
 	case SPRN_CCR0:
-		vcpu->arch.ccr0 = vcpu->arch.gpr[rs]; break;
+		vcpu->arch.ccr0 = kvmppc_get_gpr(vcpu, rs); break;
 	case SPRN_CCR1:
-		vcpu->arch.ccr1 = vcpu->arch.gpr[rs]; break;
+		vcpu->arch.ccr1 = kvmppc_get_gpr(vcpu, rs); break;
 	default:
 		emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
 	}
@@ -167,13 +168,13 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
 
 	switch (sprn) {
 	case SPRN_PID:
-		vcpu->arch.gpr[rt] = vcpu->arch.pid; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.pid); break;
 	case SPRN_MMUCR:
-		vcpu->arch.gpr[rt] = vcpu->arch.mmucr; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.mmucr); break;
 	case SPRN_CCR0:
-		vcpu->arch.gpr[rt] = vcpu->arch.ccr0; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ccr0); break;
 	case SPRN_CCR1:
-		vcpu->arch.gpr[rt] = vcpu->arch.ccr1; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ccr1); break;
 	default:
 		emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
 	}
diff --git a/arch/powerpc/kvm/44x_tlb.c b/arch/powerpc/kvm/44x_tlb.c
index ff3cb63b8117..2570fcc7665d 100644
--- a/arch/powerpc/kvm/44x_tlb.c
+++ b/arch/powerpc/kvm/44x_tlb.c
@@ -439,7 +439,7 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
 	struct kvmppc_44x_tlbe *tlbe;
 	unsigned int gtlb_index;
 
-	gtlb_index = vcpu->arch.gpr[ra];
+	gtlb_index = kvmppc_get_gpr(vcpu, ra);
 	if (gtlb_index > KVM44x_GUEST_TLB_SIZE) {
 		printk("%s: index %d\n", __func__, gtlb_index);
 		kvmppc_dump_vcpu(vcpu);
@@ -455,15 +455,15 @@ int kvmppc_44x_emul_tlbwe(struct kvm_vcpu *vcpu, u8 ra, u8 rs, u8 ws)
 	switch (ws) {
 	case PPC44x_TLB_PAGEID:
 		tlbe->tid = get_mmucr_stid(vcpu);
-		tlbe->word0 = vcpu->arch.gpr[rs];
+		tlbe->word0 = kvmppc_get_gpr(vcpu, rs);
 		break;
 
 	case PPC44x_TLB_XLAT:
-		tlbe->word1 = vcpu->arch.gpr[rs];
+		tlbe->word1 = kvmppc_get_gpr(vcpu, rs);
 		break;
 
 	case PPC44x_TLB_ATTRIB:
-		tlbe->word2 = vcpu->arch.gpr[rs];
+		tlbe->word2 = kvmppc_get_gpr(vcpu, rs);
 		break;
 
 	default:
@@ -500,18 +500,20 @@ int kvmppc_44x_emul_tlbsx(struct kvm_vcpu *vcpu, u8 rt, u8 ra, u8 rb, u8 rc)
 	unsigned int as = get_mmucr_sts(vcpu);
 	unsigned int pid = get_mmucr_stid(vcpu);
 
-	ea = vcpu->arch.gpr[rb];
+	ea = kvmppc_get_gpr(vcpu, rb);
 	if (ra)
-		ea += vcpu->arch.gpr[ra];
+		ea += kvmppc_get_gpr(vcpu, ra);
 
 	gtlb_index = kvmppc_44x_tlb_index(vcpu, ea, pid, as);
 	if (rc) {
+		u32 cr = kvmppc_get_cr(vcpu);
+
 		if (gtlb_index < 0)
-			vcpu->arch.cr &= ~0x20000000;
+			kvmppc_set_cr(vcpu, cr & ~0x20000000);
 		else
-			vcpu->arch.cr |= 0x20000000;
+			kvmppc_set_cr(vcpu, cr | 0x20000000);
 	}
-	vcpu->arch.gpr[rt] = gtlb_index;
+	kvmppc_set_gpr(vcpu, rt, gtlb_index);
 
 	kvmppc_set_exit_type(vcpu, EMULATED_TLBSX_EXITS);
 	return EMULATE_DONE;
diff --git a/arch/powerpc/kvm/Kconfig b/arch/powerpc/kvm/Kconfig
index fe037fdaf1b3..60624cc9f4d4 100644
--- a/arch/powerpc/kvm/Kconfig
+++ b/arch/powerpc/kvm/Kconfig
@@ -20,6 +20,7 @@ config KVM
 	bool
 	select PREEMPT_NOTIFIERS
 	select ANON_INODES
+	select KVM_MMIO
 
 config KVM_BOOK3S_64_HANDLER
 	bool
diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c
index 3e294bd9b8c6..9a271f0929c7 100644
--- a/arch/powerpc/kvm/book3s.c
+++ b/arch/powerpc/kvm/book3s.c
@@ -33,12 +33,9 @@
 
 /* #define EXIT_DEBUG */
 /* #define EXIT_DEBUG_SIMPLE */
+/* #define DEBUG_EXT */
 
-/* Without AGGRESSIVE_DEC we only fire off a DEC interrupt when DEC turns 0.
- * When set, we retrigger a DEC interrupt after that if DEC <= 0.
- * PPC32 Linux runs faster without AGGRESSIVE_DEC, PPC64 Linux requires it. */
-
-/* #define AGGRESSIVE_DEC */
+static void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
 
 struct kvm_stats_debugfs_item debugfs_entries[] = {
 	{ "exits",       VCPU_STAT(sum_exits) },
@@ -72,16 +69,24 @@ void kvmppc_core_load_guest_debugstate(struct kvm_vcpu *vcpu)
 void kvmppc_core_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 {
 	memcpy(get_paca()->kvm_slb, to_book3s(vcpu)->slb_shadow, sizeof(get_paca()->kvm_slb));
+	memcpy(&get_paca()->shadow_vcpu, &to_book3s(vcpu)->shadow_vcpu,
+	       sizeof(get_paca()->shadow_vcpu));
 	get_paca()->kvm_slb_max = to_book3s(vcpu)->slb_shadow_max;
 }
 
 void kvmppc_core_vcpu_put(struct kvm_vcpu *vcpu)
 {
 	memcpy(to_book3s(vcpu)->slb_shadow, get_paca()->kvm_slb, sizeof(get_paca()->kvm_slb));
+	memcpy(&to_book3s(vcpu)->shadow_vcpu, &get_paca()->shadow_vcpu,
+	       sizeof(get_paca()->shadow_vcpu));
 	to_book3s(vcpu)->slb_shadow_max = get_paca()->kvm_slb_max;
+
+	kvmppc_giveup_ext(vcpu, MSR_FP);
+	kvmppc_giveup_ext(vcpu, MSR_VEC);
+	kvmppc_giveup_ext(vcpu, MSR_VSX);
 }
 
-#if defined(AGGRESSIVE_DEC) || defined(EXIT_DEBUG)
+#if defined(EXIT_DEBUG)
 static u32 kvmppc_get_dec(struct kvm_vcpu *vcpu)
 {
 	u64 jd = mftb() - vcpu->arch.dec_jiffies;
@@ -89,6 +94,23 @@ static u32 kvmppc_get_dec(struct kvm_vcpu *vcpu)
 }
 #endif
 
+static void kvmppc_recalc_shadow_msr(struct kvm_vcpu *vcpu)
+{
+	vcpu->arch.shadow_msr = vcpu->arch.msr;
+	/* Guest MSR values */
+	vcpu->arch.shadow_msr &= MSR_FE0 | MSR_FE1 | MSR_SF | MSR_SE |
+				 MSR_BE | MSR_DE;
+	/* Process MSR values */
+	vcpu->arch.shadow_msr |= MSR_ME | MSR_RI | MSR_IR | MSR_DR | MSR_PR |
+				 MSR_EE;
+	/* External providers the guest reserved */
+	vcpu->arch.shadow_msr |= (vcpu->arch.msr & vcpu->arch.guest_owned_ext);
+	/* 64-bit Process MSR values */
+#ifdef CONFIG_PPC_BOOK3S_64
+	vcpu->arch.shadow_msr |= MSR_ISF | MSR_HV;
+#endif
+}
+
 void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr)
 {
 	ulong old_msr = vcpu->arch.msr;
@@ -96,12 +118,10 @@ void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 msr)
 #ifdef EXIT_DEBUG
 	printk(KERN_INFO "KVM: Set MSR to 0x%llx\n", msr);
 #endif
+
 	msr &= to_book3s(vcpu)->msr_mask;
 	vcpu->arch.msr = msr;
-	vcpu->arch.shadow_msr = msr | MSR_USER32;
-	vcpu->arch.shadow_msr &= ( MSR_VEC | MSR_VSX | MSR_FP | MSR_FE0 |
-				   MSR_USER64 | MSR_SE | MSR_BE | MSR_DE |
-				   MSR_FE1);
+	kvmppc_recalc_shadow_msr(vcpu);
 
 	if (msr & (MSR_WE|MSR_POW)) {
 		if (!vcpu->arch.pending_exceptions) {
@@ -125,11 +145,10 @@ void kvmppc_inject_interrupt(struct kvm_vcpu *vcpu, int vec, u64 flags)
 	vcpu->arch.mmu.reset_msr(vcpu);
 }
 
-void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec)
+static int kvmppc_book3s_vec2irqprio(unsigned int vec)
 {
 	unsigned int prio;
 
-	vcpu->stat.queue_intr++;
 	switch (vec) {
 	case 0x100: prio = BOOK3S_IRQPRIO_SYSTEM_RESET;		break;
 	case 0x200: prio = BOOK3S_IRQPRIO_MACHINE_CHECK;	break;
@@ -149,15 +168,31 @@ void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec)
 	default:    prio = BOOK3S_IRQPRIO_MAX;			break;
 	}
 
-	set_bit(prio, &vcpu->arch.pending_exceptions);
+	return prio;
+}
+
+static void kvmppc_book3s_dequeue_irqprio(struct kvm_vcpu *vcpu,
+					  unsigned int vec)
+{
+	clear_bit(kvmppc_book3s_vec2irqprio(vec),
+		  &vcpu->arch.pending_exceptions);
+}
+
+void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec)
+{
+	vcpu->stat.queue_intr++;
+
+	set_bit(kvmppc_book3s_vec2irqprio(vec),
+		&vcpu->arch.pending_exceptions);
 #ifdef EXIT_DEBUG
 	printk(KERN_INFO "Queueing interrupt %x\n", vec);
 #endif
 }
 
 
-void kvmppc_core_queue_program(struct kvm_vcpu *vcpu)
+void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong flags)
 {
+	to_book3s(vcpu)->prog_flags = flags;
 	kvmppc_book3s_queue_irqprio(vcpu, BOOK3S_INTERRUPT_PROGRAM);
 }
 
@@ -171,6 +206,11 @@ int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu)
 	return test_bit(BOOK3S_INTERRUPT_DECREMENTER >> 7, &vcpu->arch.pending_exceptions);
 }
 
+void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu)
+{
+	kvmppc_book3s_dequeue_irqprio(vcpu, BOOK3S_INTERRUPT_DECREMENTER);
+}
+
 void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
                                 struct kvm_interrupt *irq)
 {
@@ -181,6 +221,7 @@ int kvmppc_book3s_irqprio_deliver(struct kvm_vcpu *vcpu, unsigned int priority)
 {
 	int deliver = 1;
 	int vec = 0;
+	ulong flags = 0ULL;
 
 	switch (priority) {
 	case BOOK3S_IRQPRIO_DECREMENTER:
@@ -214,6 +255,7 @@ int kvmppc_book3s_irqprio_deliver(struct kvm_vcpu *vcpu, unsigned int priority)
 		break;
 	case BOOK3S_IRQPRIO_PROGRAM:
 		vec = BOOK3S_INTERRUPT_PROGRAM;
+		flags = to_book3s(vcpu)->prog_flags;
 		break;
 	case BOOK3S_IRQPRIO_VSX:
 		vec = BOOK3S_INTERRUPT_VSX;
@@ -244,7 +286,7 @@ int kvmppc_book3s_irqprio_deliver(struct kvm_vcpu *vcpu, unsigned int priority)
 #endif
 
 	if (deliver)
-		kvmppc_inject_interrupt(vcpu, vec, 0ULL);
+		kvmppc_inject_interrupt(vcpu, vec, flags);
 
 	return deliver;
 }
@@ -254,21 +296,15 @@ void kvmppc_core_deliver_interrupts(struct kvm_vcpu *vcpu)
 	unsigned long *pending = &vcpu->arch.pending_exceptions;
 	unsigned int priority;
 
-	/* XXX be more clever here - no need to mftb() on every entry */
-	/* Issue DEC again if it's still active */
-#ifdef AGGRESSIVE_DEC
-	if (vcpu->arch.msr & MSR_EE)
-		if (kvmppc_get_dec(vcpu) & 0x80000000)
-			kvmppc_core_queue_dec(vcpu);
-#endif
-
 #ifdef EXIT_DEBUG
 	if (vcpu->arch.pending_exceptions)
 		printk(KERN_EMERG "KVM: Check pending: %lx\n", vcpu->arch.pending_exceptions);
 #endif
 	priority = __ffs(*pending);
 	while (priority <= (sizeof(unsigned int) * 8)) {
-		if (kvmppc_book3s_irqprio_deliver(vcpu, priority)) {
+		if (kvmppc_book3s_irqprio_deliver(vcpu, priority) &&
+		    (priority != BOOK3S_IRQPRIO_DECREMENTER)) {
+			/* DEC interrupts get cleared by mtdec */
 			clear_bit(priority, &vcpu->arch.pending_exceptions);
 			break;
 		}
@@ -503,14 +539,14 @@ int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		/* Page not found in guest PTE entries */
 		vcpu->arch.dear = vcpu->arch.fault_dear;
 		to_book3s(vcpu)->dsisr = vcpu->arch.fault_dsisr;
-		vcpu->arch.msr |= (vcpu->arch.shadow_msr & 0x00000000f8000000ULL);
+		vcpu->arch.msr |= (vcpu->arch.shadow_srr1 & 0x00000000f8000000ULL);
 		kvmppc_book3s_queue_irqprio(vcpu, vec);
 	} else if (page_found == -EPERM) {
 		/* Storage protection */
 		vcpu->arch.dear = vcpu->arch.fault_dear;
 		to_book3s(vcpu)->dsisr = vcpu->arch.fault_dsisr & ~DSISR_NOHPTE;
 		to_book3s(vcpu)->dsisr |= DSISR_PROTFAULT;
-		vcpu->arch.msr |= (vcpu->arch.shadow_msr & 0x00000000f8000000ULL);
+		vcpu->arch.msr |= (vcpu->arch.shadow_srr1 & 0x00000000f8000000ULL);
 		kvmppc_book3s_queue_irqprio(vcpu, vec);
 	} else if (page_found == -EINVAL) {
 		/* Page not found in guest SLB */
@@ -532,13 +568,122 @@ int kvmppc_handle_pagefault(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		r = kvmppc_emulate_mmio(run, vcpu);
 		if ( r == RESUME_HOST_NV )
 			r = RESUME_HOST;
-		if ( r == RESUME_GUEST_NV )
-			r = RESUME_GUEST;
 	}
 
 	return r;
 }
 
+static inline int get_fpr_index(int i)
+{
+#ifdef CONFIG_VSX
+	i *= 2;
+#endif
+	return i;
+}
+
+/* Give up external provider (FPU, Altivec, VSX) */
+static void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr)
+{
+	struct thread_struct *t = &current->thread;
+	u64 *vcpu_fpr = vcpu->arch.fpr;
+	u64 *vcpu_vsx = vcpu->arch.vsr;
+	u64 *thread_fpr = (u64*)t->fpr;
+	int i;
+
+	if (!(vcpu->arch.guest_owned_ext & msr))
+		return;
+
+#ifdef DEBUG_EXT
+	printk(KERN_INFO "Giving up ext 0x%lx\n", msr);
+#endif
+
+	switch (msr) {
+	case MSR_FP:
+		giveup_fpu(current);
+		for (i = 0; i < ARRAY_SIZE(vcpu->arch.fpr); i++)
+			vcpu_fpr[i] = thread_fpr[get_fpr_index(i)];
+
+		vcpu->arch.fpscr = t->fpscr.val;
+		break;
+	case MSR_VEC:
+#ifdef CONFIG_ALTIVEC
+		giveup_altivec(current);
+		memcpy(vcpu->arch.vr, t->vr, sizeof(vcpu->arch.vr));
+		vcpu->arch.vscr = t->vscr;
+#endif
+		break;
+	case MSR_VSX:
+#ifdef CONFIG_VSX
+		__giveup_vsx(current);
+		for (i = 0; i < ARRAY_SIZE(vcpu->arch.vsr); i++)
+			vcpu_vsx[i] = thread_fpr[get_fpr_index(i) + 1];
+#endif
+		break;
+	default:
+		BUG();
+	}
+
+	vcpu->arch.guest_owned_ext &= ~msr;
+	current->thread.regs->msr &= ~msr;
+	kvmppc_recalc_shadow_msr(vcpu);
+}
+
+/* Handle external providers (FPU, Altivec, VSX) */
+static int kvmppc_handle_ext(struct kvm_vcpu *vcpu, unsigned int exit_nr,
+			     ulong msr)
+{
+	struct thread_struct *t = &current->thread;
+	u64 *vcpu_fpr = vcpu->arch.fpr;
+	u64 *vcpu_vsx = vcpu->arch.vsr;
+	u64 *thread_fpr = (u64*)t->fpr;
+	int i;
+
+	if (!(vcpu->arch.msr & msr)) {
+		kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
+		return RESUME_GUEST;
+	}
+
+#ifdef DEBUG_EXT
+	printk(KERN_INFO "Loading up ext 0x%lx\n", msr);
+#endif
+
+	current->thread.regs->msr |= msr;
+
+	switch (msr) {
+	case MSR_FP:
+		for (i = 0; i < ARRAY_SIZE(vcpu->arch.fpr); i++)
+			thread_fpr[get_fpr_index(i)] = vcpu_fpr[i];
+
+		t->fpscr.val = vcpu->arch.fpscr;
+		t->fpexc_mode = 0;
+		kvmppc_load_up_fpu();
+		break;
+	case MSR_VEC:
+#ifdef CONFIG_ALTIVEC
+		memcpy(t->vr, vcpu->arch.vr, sizeof(vcpu->arch.vr));
+		t->vscr = vcpu->arch.vscr;
+		t->vrsave = -1;
+		kvmppc_load_up_altivec();
+#endif
+		break;
+	case MSR_VSX:
+#ifdef CONFIG_VSX
+		for (i = 0; i < ARRAY_SIZE(vcpu->arch.vsr); i++)
+			thread_fpr[get_fpr_index(i) + 1] = vcpu_vsx[i];
+		kvmppc_load_up_vsx();
+#endif
+		break;
+	default:
+		BUG();
+	}
+
+	vcpu->arch.guest_owned_ext |= msr;
+
+	kvmppc_recalc_shadow_msr(vcpu);
+
+	return RESUME_GUEST;
+}
+
 int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
                        unsigned int exit_nr)
 {
@@ -563,7 +708,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	case BOOK3S_INTERRUPT_INST_STORAGE:
 		vcpu->stat.pf_instruc++;
 		/* only care about PTEG not found errors, but leave NX alone */
-		if (vcpu->arch.shadow_msr & 0x40000000) {
+		if (vcpu->arch.shadow_srr1 & 0x40000000) {
 			r = kvmppc_handle_pagefault(run, vcpu, vcpu->arch.pc, exit_nr);
 			vcpu->stat.sp_instruc++;
 		} else if (vcpu->arch.mmu.is_dcbz32(vcpu) &&
@@ -575,7 +720,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			 */
 			kvmppc_mmu_pte_flush(vcpu, vcpu->arch.pc, ~0xFFFULL);
 		} else {
-			vcpu->arch.msr |= (vcpu->arch.shadow_msr & 0x58000000);
+			vcpu->arch.msr |= vcpu->arch.shadow_srr1 & 0x58000000;
 			kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
 			kvmppc_mmu_pte_flush(vcpu, vcpu->arch.pc, ~0xFFFULL);
 			r = RESUME_GUEST;
@@ -621,6 +766,9 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	case BOOK3S_INTERRUPT_PROGRAM:
 	{
 		enum emulation_result er;
+		ulong flags;
+
+		flags = vcpu->arch.shadow_srr1 & 0x1f0000ull;
 
 		if (vcpu->arch.msr & MSR_PR) {
 #ifdef EXIT_DEBUG
@@ -628,7 +776,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 #endif
 			if ((vcpu->arch.last_inst & 0xff0007ff) !=
 			    (INS_DCBZ & 0xfffffff7)) {
-				kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
+				kvmppc_core_queue_program(vcpu, flags);
 				r = RESUME_GUEST;
 				break;
 			}
@@ -638,12 +786,12 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		er = kvmppc_emulate_instruction(run, vcpu);
 		switch (er) {
 		case EMULATE_DONE:
-			r = RESUME_GUEST;
+			r = RESUME_GUEST_NV;
 			break;
 		case EMULATE_FAIL:
 			printk(KERN_CRIT "%s: emulation at %lx failed (%08x)\n",
 			       __func__, vcpu->arch.pc, vcpu->arch.last_inst);
-			kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
+			kvmppc_core_queue_program(vcpu, flags);
 			r = RESUME_GUEST;
 			break;
 		default:
@@ -653,23 +801,30 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	}
 	case BOOK3S_INTERRUPT_SYSCALL:
 #ifdef EXIT_DEBUG
-		printk(KERN_INFO "Syscall Nr %d\n", (int)vcpu->arch.gpr[0]);
+		printk(KERN_INFO "Syscall Nr %d\n", (int)kvmppc_get_gpr(vcpu, 0));
 #endif
 		vcpu->stat.syscall_exits++;
 		kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
 		r = RESUME_GUEST;
 		break;
-	case BOOK3S_INTERRUPT_MACHINE_CHECK:
 	case BOOK3S_INTERRUPT_FP_UNAVAIL:
-	case BOOK3S_INTERRUPT_TRACE:
+		r = kvmppc_handle_ext(vcpu, exit_nr, MSR_FP);
+		break;
 	case BOOK3S_INTERRUPT_ALTIVEC:
+		r = kvmppc_handle_ext(vcpu, exit_nr, MSR_VEC);
+		break;
 	case BOOK3S_INTERRUPT_VSX:
+		r = kvmppc_handle_ext(vcpu, exit_nr, MSR_VSX);
+		break;
+	case BOOK3S_INTERRUPT_MACHINE_CHECK:
+	case BOOK3S_INTERRUPT_TRACE:
 		kvmppc_book3s_queue_irqprio(vcpu, exit_nr);
 		r = RESUME_GUEST;
 		break;
 	default:
 		/* Ugh - bork here! What did we get? */
-		printk(KERN_EMERG "exit_nr=0x%x | pc=0x%lx | msr=0x%lx\n", exit_nr, vcpu->arch.pc, vcpu->arch.shadow_msr);
+		printk(KERN_EMERG "exit_nr=0x%x | pc=0x%lx | msr=0x%lx\n",
+			exit_nr, vcpu->arch.pc, vcpu->arch.shadow_srr1);
 		r = RESUME_HOST;
 		BUG();
 		break;
@@ -712,10 +867,10 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	int i;
 
 	regs->pc = vcpu->arch.pc;
-	regs->cr = vcpu->arch.cr;
+	regs->cr = kvmppc_get_cr(vcpu);
 	regs->ctr = vcpu->arch.ctr;
 	regs->lr = vcpu->arch.lr;
-	regs->xer = vcpu->arch.xer;
+	regs->xer = kvmppc_get_xer(vcpu);
 	regs->msr = vcpu->arch.msr;
 	regs->srr0 = vcpu->arch.srr0;
 	regs->srr1 = vcpu->arch.srr1;
@@ -729,7 +884,7 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	regs->sprg7 = vcpu->arch.sprg6;
 
 	for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
-		regs->gpr[i] = vcpu->arch.gpr[i];
+		regs->gpr[i] = kvmppc_get_gpr(vcpu, i);
 
 	return 0;
 }
@@ -739,10 +894,10 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	int i;
 
 	vcpu->arch.pc = regs->pc;
-	vcpu->arch.cr = regs->cr;
+	kvmppc_set_cr(vcpu, regs->cr);
 	vcpu->arch.ctr = regs->ctr;
 	vcpu->arch.lr = regs->lr;
-	vcpu->arch.xer = regs->xer;
+	kvmppc_set_xer(vcpu, regs->xer);
 	kvmppc_set_msr(vcpu, regs->msr);
 	vcpu->arch.srr0 = regs->srr0;
 	vcpu->arch.srr1 = regs->srr1;
@@ -754,8 +909,8 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	vcpu->arch.sprg6 = regs->sprg5;
 	vcpu->arch.sprg7 = regs->sprg6;
 
-	for (i = 0; i < ARRAY_SIZE(vcpu->arch.gpr); i++)
-		vcpu->arch.gpr[i] = regs->gpr[i];
+	for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
+		kvmppc_set_gpr(vcpu, i, regs->gpr[i]);
 
 	return 0;
 }
@@ -850,7 +1005,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
 	int is_dirty = 0;
 	int r, n;
 
-	down_write(&kvm->slots_lock);
+	mutex_lock(&kvm->slots_lock);
 
 	r = kvm_get_dirty_log(kvm, log, &is_dirty);
 	if (r)
@@ -858,7 +1013,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
 
 	/* If nothing is dirty, don't bother messing with page tables. */
 	if (is_dirty) {
-		memslot = &kvm->memslots[log->slot];
+		memslot = &kvm->memslots->memslots[log->slot];
 
 		ga = memslot->base_gfn << PAGE_SHIFT;
 		ga_end = ga + (memslot->npages << PAGE_SHIFT);
@@ -872,7 +1027,7 @@ int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
 
 	r = 0;
 out:
-	up_write(&kvm->slots_lock);
+	mutex_unlock(&kvm->slots_lock);
 	return r;
 }
 
@@ -910,6 +1065,7 @@ struct kvm_vcpu *kvmppc_core_vcpu_create(struct kvm *kvm, unsigned int id)
 	vcpu->arch.trampoline_lowmem = kvmppc_trampoline_lowmem;
 	vcpu->arch.trampoline_enter = kvmppc_trampoline_enter;
 	vcpu->arch.highmem_handler = (ulong)kvmppc_handler_highmem;
+	vcpu->arch.rmcall = *(ulong*)kvmppc_rmcall;
 
 	vcpu->arch.shadow_msr = MSR_USER64;
 
@@ -943,6 +1099,10 @@ extern int __kvmppc_vcpu_entry(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
 int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
 {
 	int ret;
+	struct thread_struct ext_bkp;
+	bool save_vec = current->thread.used_vr;
+	bool save_vsx = current->thread.used_vsr;
+	ulong ext_msr;
 
 	/* No need to go into the guest when all we do is going out */
 	if (signal_pending(current)) {
@@ -950,6 +1110,35 @@ int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
 		return -EINTR;
 	}
 
+	/* Save FPU state in stack */
+	if (current->thread.regs->msr & MSR_FP)
+		giveup_fpu(current);
+	memcpy(ext_bkp.fpr, current->thread.fpr, sizeof(current->thread.fpr));
+	ext_bkp.fpscr = current->thread.fpscr;
+	ext_bkp.fpexc_mode = current->thread.fpexc_mode;
+
+#ifdef CONFIG_ALTIVEC
+	/* Save Altivec state in stack */
+	if (save_vec) {
+		if (current->thread.regs->msr & MSR_VEC)
+			giveup_altivec(current);
+		memcpy(ext_bkp.vr, current->thread.vr, sizeof(ext_bkp.vr));
+		ext_bkp.vscr = current->thread.vscr;
+		ext_bkp.vrsave = current->thread.vrsave;
+	}
+	ext_bkp.used_vr = current->thread.used_vr;
+#endif
+
+#ifdef CONFIG_VSX
+	/* Save VSX state in stack */
+	if (save_vsx && (current->thread.regs->msr & MSR_VSX))
+			__giveup_vsx(current);
+	ext_bkp.used_vsr = current->thread.used_vsr;
+#endif
+
+	/* Remember the MSR with disabled extensions */
+	ext_msr = current->thread.regs->msr;
+
 	/* XXX we get called with irq disabled - change that! */
 	local_irq_enable();
 
@@ -957,6 +1146,32 @@ int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu)
 
 	local_irq_disable();
 
+	current->thread.regs->msr = ext_msr;
+
+	/* Make sure we save the guest FPU/Altivec/VSX state */
+	kvmppc_giveup_ext(vcpu, MSR_FP);
+	kvmppc_giveup_ext(vcpu, MSR_VEC);
+	kvmppc_giveup_ext(vcpu, MSR_VSX);
+
+	/* Restore FPU state from stack */
+	memcpy(current->thread.fpr, ext_bkp.fpr, sizeof(ext_bkp.fpr));
+	current->thread.fpscr = ext_bkp.fpscr;
+	current->thread.fpexc_mode = ext_bkp.fpexc_mode;
+
+#ifdef CONFIG_ALTIVEC
+	/* Restore Altivec state from stack */
+	if (save_vec && current->thread.used_vr) {
+		memcpy(current->thread.vr, ext_bkp.vr, sizeof(ext_bkp.vr));
+		current->thread.vscr = ext_bkp.vscr;
+		current->thread.vrsave= ext_bkp.vrsave;
+	}
+	current->thread.used_vr = ext_bkp.used_vr;
+#endif
+
+#ifdef CONFIG_VSX
+	current->thread.used_vsr = ext_bkp.used_vsr;
+#endif
+
 	return ret;
 }
 
diff --git a/arch/powerpc/kvm/book3s_64_emulate.c b/arch/powerpc/kvm/book3s_64_emulate.c
index 1027eac6d474..2b0ee7e040c9 100644
--- a/arch/powerpc/kvm/book3s_64_emulate.c
+++ b/arch/powerpc/kvm/book3s_64_emulate.c
@@ -65,11 +65,11 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 	case 31:
 		switch (get_xop(inst)) {
 		case OP_31_XOP_MFMSR:
-			vcpu->arch.gpr[get_rt(inst)] = vcpu->arch.msr;
+			kvmppc_set_gpr(vcpu, get_rt(inst), vcpu->arch.msr);
 			break;
 		case OP_31_XOP_MTMSRD:
 		{
-			ulong rs = vcpu->arch.gpr[get_rs(inst)];
+			ulong rs = kvmppc_get_gpr(vcpu, get_rs(inst));
 			if (inst & 0x10000) {
 				vcpu->arch.msr &= ~(MSR_RI | MSR_EE);
 				vcpu->arch.msr |= rs & (MSR_RI | MSR_EE);
@@ -78,30 +78,30 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			break;
 		}
 		case OP_31_XOP_MTMSR:
-			kvmppc_set_msr(vcpu, vcpu->arch.gpr[get_rs(inst)]);
+			kvmppc_set_msr(vcpu, kvmppc_get_gpr(vcpu, get_rs(inst)));
 			break;
 		case OP_31_XOP_MFSRIN:
 		{
 			int srnum;
 
-			srnum = (vcpu->arch.gpr[get_rb(inst)] >> 28) & 0xf;
+			srnum = (kvmppc_get_gpr(vcpu, get_rb(inst)) >> 28) & 0xf;
 			if (vcpu->arch.mmu.mfsrin) {
 				u32 sr;
 				sr = vcpu->arch.mmu.mfsrin(vcpu, srnum);
-				vcpu->arch.gpr[get_rt(inst)] = sr;
+				kvmppc_set_gpr(vcpu, get_rt(inst), sr);
 			}
 			break;
 		}
 		case OP_31_XOP_MTSRIN:
 			vcpu->arch.mmu.mtsrin(vcpu,
-				(vcpu->arch.gpr[get_rb(inst)] >> 28) & 0xf,
-				vcpu->arch.gpr[get_rs(inst)]);
+				(kvmppc_get_gpr(vcpu, get_rb(inst)) >> 28) & 0xf,
+				kvmppc_get_gpr(vcpu, get_rs(inst)));
 			break;
 		case OP_31_XOP_TLBIE:
 		case OP_31_XOP_TLBIEL:
 		{
 			bool large = (inst & 0x00200000) ? true : false;
-			ulong addr = vcpu->arch.gpr[get_rb(inst)];
+			ulong addr = kvmppc_get_gpr(vcpu, get_rb(inst));
 			vcpu->arch.mmu.tlbie(vcpu, addr, large);
 			break;
 		}
@@ -111,14 +111,16 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			if (!vcpu->arch.mmu.slbmte)
 				return EMULATE_FAIL;
 
-			vcpu->arch.mmu.slbmte(vcpu, vcpu->arch.gpr[get_rs(inst)],
-						vcpu->arch.gpr[get_rb(inst)]);
+			vcpu->arch.mmu.slbmte(vcpu,
+					kvmppc_get_gpr(vcpu, get_rs(inst)),
+					kvmppc_get_gpr(vcpu, get_rb(inst)));
 			break;
 		case OP_31_XOP_SLBIE:
 			if (!vcpu->arch.mmu.slbie)
 				return EMULATE_FAIL;
 
-			vcpu->arch.mmu.slbie(vcpu, vcpu->arch.gpr[get_rb(inst)]);
+			vcpu->arch.mmu.slbie(vcpu,
+					kvmppc_get_gpr(vcpu, get_rb(inst)));
 			break;
 		case OP_31_XOP_SLBIA:
 			if (!vcpu->arch.mmu.slbia)
@@ -132,9 +134,9 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			} else {
 				ulong t, rb;
 
-				rb = vcpu->arch.gpr[get_rb(inst)];
+				rb = kvmppc_get_gpr(vcpu, get_rb(inst));
 				t = vcpu->arch.mmu.slbmfee(vcpu, rb);
-				vcpu->arch.gpr[get_rt(inst)] = t;
+				kvmppc_set_gpr(vcpu, get_rt(inst), t);
 			}
 			break;
 		case OP_31_XOP_SLBMFEV:
@@ -143,20 +145,20 @@ int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 			} else {
 				ulong t, rb;
 
-				rb = vcpu->arch.gpr[get_rb(inst)];
+				rb = kvmppc_get_gpr(vcpu, get_rb(inst));
 				t = vcpu->arch.mmu.slbmfev(vcpu, rb);
-				vcpu->arch.gpr[get_rt(inst)] = t;
+				kvmppc_set_gpr(vcpu, get_rt(inst), t);
 			}
 			break;
 		case OP_31_XOP_DCBZ:
 		{
-			ulong rb =  vcpu->arch.gpr[get_rb(inst)];
+			ulong rb = kvmppc_get_gpr(vcpu, get_rb(inst));
 			ulong ra = 0;
 			ulong addr;
 			u32 zeros[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
 
 			if (get_ra(inst))
-				ra = vcpu->arch.gpr[get_ra(inst)];
+				ra = kvmppc_get_gpr(vcpu, get_ra(inst));
 
 			addr = (ra + rb) & ~31ULL;
 			if (!(vcpu->arch.msr & MSR_SF))
@@ -233,43 +235,44 @@ static void kvmppc_write_bat(struct kvm_vcpu *vcpu, int sprn, u32 val)
 int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
 {
 	int emulated = EMULATE_DONE;
+	ulong spr_val = kvmppc_get_gpr(vcpu, rs);
 
 	switch (sprn) {
 	case SPRN_SDR1:
-		to_book3s(vcpu)->sdr1 = vcpu->arch.gpr[rs];
+		to_book3s(vcpu)->sdr1 = spr_val;
 		break;
 	case SPRN_DSISR:
-		to_book3s(vcpu)->dsisr = vcpu->arch.gpr[rs];
+		to_book3s(vcpu)->dsisr = spr_val;
 		break;
 	case SPRN_DAR:
-		vcpu->arch.dear = vcpu->arch.gpr[rs];
+		vcpu->arch.dear = spr_val;
 		break;
 	case SPRN_HIOR:
-		to_book3s(vcpu)->hior = vcpu->arch.gpr[rs];
+		to_book3s(vcpu)->hior = spr_val;
 		break;
 	case SPRN_IBAT0U ... SPRN_IBAT3L:
 	case SPRN_IBAT4U ... SPRN_IBAT7L:
 	case SPRN_DBAT0U ... SPRN_DBAT3L:
 	case SPRN_DBAT4U ... SPRN_DBAT7L:
-		kvmppc_write_bat(vcpu, sprn, (u32)vcpu->arch.gpr[rs]);
+		kvmppc_write_bat(vcpu, sprn, (u32)spr_val);
 		/* BAT writes happen so rarely that we're ok to flush
 		 * everything here */
 		kvmppc_mmu_pte_flush(vcpu, 0, 0);
 		break;
 	case SPRN_HID0:
-		to_book3s(vcpu)->hid[0] = vcpu->arch.gpr[rs];
+		to_book3s(vcpu)->hid[0] = spr_val;
 		break;
 	case SPRN_HID1:
-		to_book3s(vcpu)->hid[1] = vcpu->arch.gpr[rs];
+		to_book3s(vcpu)->hid[1] = spr_val;
 		break;
 	case SPRN_HID2:
-		to_book3s(vcpu)->hid[2] = vcpu->arch.gpr[rs];
+		to_book3s(vcpu)->hid[2] = spr_val;
 		break;
 	case SPRN_HID4:
-		to_book3s(vcpu)->hid[4] = vcpu->arch.gpr[rs];
+		to_book3s(vcpu)->hid[4] = spr_val;
 		break;
 	case SPRN_HID5:
-		to_book3s(vcpu)->hid[5] = vcpu->arch.gpr[rs];
+		to_book3s(vcpu)->hid[5] = spr_val;
 		/* guest HID5 set can change is_dcbz32 */
 		if (vcpu->arch.mmu.is_dcbz32(vcpu) &&
 		    (mfmsr() & MSR_HV))
@@ -299,38 +302,38 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
 
 	switch (sprn) {
 	case SPRN_SDR1:
-		vcpu->arch.gpr[rt] = to_book3s(vcpu)->sdr1;
+		kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->sdr1);
 		break;
 	case SPRN_DSISR:
-		vcpu->arch.gpr[rt] = to_book3s(vcpu)->dsisr;
+		kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->dsisr);
 		break;
 	case SPRN_DAR:
-		vcpu->arch.gpr[rt] = vcpu->arch.dear;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.dear);
 		break;
 	case SPRN_HIOR:
-		vcpu->arch.gpr[rt] = to_book3s(vcpu)->hior;
+		kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hior);
 		break;
 	case SPRN_HID0:
-		vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[0];
+		kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[0]);
 		break;
 	case SPRN_HID1:
-		vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[1];
+		kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[1]);
 		break;
 	case SPRN_HID2:
-		vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[2];
+		kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[2]);
 		break;
 	case SPRN_HID4:
-		vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[4];
+		kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[4]);
 		break;
 	case SPRN_HID5:
-		vcpu->arch.gpr[rt] = to_book3s(vcpu)->hid[5];
+		kvmppc_set_gpr(vcpu, rt, to_book3s(vcpu)->hid[5]);
 		break;
 	case SPRN_THRM1:
 	case SPRN_THRM2:
 	case SPRN_THRM3:
 	case SPRN_CTRLF:
 	case SPRN_CTRLT:
-		vcpu->arch.gpr[rt] = 0;
+		kvmppc_set_gpr(vcpu, rt, 0);
 		break;
 	default:
 		printk(KERN_INFO "KVM: invalid SPR read: %d\n", sprn);
diff --git a/arch/powerpc/kvm/book3s_64_exports.c b/arch/powerpc/kvm/book3s_64_exports.c
index 5b2db38ed86c..1dd5a1ddfd0d 100644
--- a/arch/powerpc/kvm/book3s_64_exports.c
+++ b/arch/powerpc/kvm/book3s_64_exports.c
@@ -22,3 +22,11 @@
 
 EXPORT_SYMBOL_GPL(kvmppc_trampoline_enter);
 EXPORT_SYMBOL_GPL(kvmppc_trampoline_lowmem);
+EXPORT_SYMBOL_GPL(kvmppc_rmcall);
+EXPORT_SYMBOL_GPL(kvmppc_load_up_fpu);
+#ifdef CONFIG_ALTIVEC
+EXPORT_SYMBOL_GPL(kvmppc_load_up_altivec);
+#endif
+#ifdef CONFIG_VSX
+EXPORT_SYMBOL_GPL(kvmppc_load_up_vsx);
+#endif
diff --git a/arch/powerpc/kvm/book3s_64_interrupts.S b/arch/powerpc/kvm/book3s_64_interrupts.S
index 7b55d8094c8b..c1584d0cbce8 100644
--- a/arch/powerpc/kvm/book3s_64_interrupts.S
+++ b/arch/powerpc/kvm/book3s_64_interrupts.S
@@ -28,11 +28,6 @@
 #define ULONG_SIZE 8
 #define VCPU_GPR(n)     (VCPU_GPRS + (n * ULONG_SIZE))
 
-.macro mfpaca tmp_reg, src_reg, offset, vcpu_reg
-	ld	\tmp_reg, (PACA_EXMC+\offset)(r13)
-	std	\tmp_reg, VCPU_GPR(\src_reg)(\vcpu_reg)
-.endm
-
 .macro DISABLE_INTERRUPTS
        mfmsr   r0
        rldicl  r0,r0,48,1
@@ -40,6 +35,26 @@
        mtmsrd  r0,1
 .endm
 
+#define VCPU_LOAD_NVGPRS(vcpu) \
+	ld	r14, VCPU_GPR(r14)(vcpu); \
+	ld	r15, VCPU_GPR(r15)(vcpu); \
+	ld	r16, VCPU_GPR(r16)(vcpu); \
+	ld	r17, VCPU_GPR(r17)(vcpu); \
+	ld	r18, VCPU_GPR(r18)(vcpu); \
+	ld	r19, VCPU_GPR(r19)(vcpu); \
+	ld	r20, VCPU_GPR(r20)(vcpu); \
+	ld	r21, VCPU_GPR(r21)(vcpu); \
+	ld	r22, VCPU_GPR(r22)(vcpu); \
+	ld	r23, VCPU_GPR(r23)(vcpu); \
+	ld	r24, VCPU_GPR(r24)(vcpu); \
+	ld	r25, VCPU_GPR(r25)(vcpu); \
+	ld	r26, VCPU_GPR(r26)(vcpu); \
+	ld	r27, VCPU_GPR(r27)(vcpu); \
+	ld	r28, VCPU_GPR(r28)(vcpu); \
+	ld	r29, VCPU_GPR(r29)(vcpu); \
+	ld	r30, VCPU_GPR(r30)(vcpu); \
+	ld	r31, VCPU_GPR(r31)(vcpu); \
+
 /*****************************************************************************
  *                                                                           *
  *     Guest entry / exit code that is in kernel module memory (highmem)     *
@@ -67,61 +82,32 @@ kvm_start_entry:
 	SAVE_NVGPRS(r1)
 
 	/* Save LR */
-	mflr	r14
-	std	r14, _LINK(r1)
-
-/* XXX optimize non-volatile loading away */
-kvm_start_lightweight:
+	std	r0, _LINK(r1)
 
-	DISABLE_INTERRUPTS
+	/* Load non-volatile guest state from the vcpu */
+	VCPU_LOAD_NVGPRS(r4)
 
 	/* Save R1/R2 in the PACA */
-	std	r1, PACAR1(r13)
-	std	r2, (PACA_EXMC+EX_SRR0)(r13)
+	std	r1, PACA_KVM_HOST_R1(r13)
+	std	r2, PACA_KVM_HOST_R2(r13)
+
+	/* XXX swap in/out on load? */
 	ld	r3, VCPU_HIGHMEM_HANDLER(r4)
-	std	r3, PACASAVEDMSR(r13)
+	std	r3, PACA_KVM_VMHANDLER(r13)
 
-	/* Load non-volatile guest state from the vcpu */
-	ld	r14, VCPU_GPR(r14)(r4)
-	ld	r15, VCPU_GPR(r15)(r4)
-	ld	r16, VCPU_GPR(r16)(r4)
-	ld	r17, VCPU_GPR(r17)(r4)
-	ld	r18, VCPU_GPR(r18)(r4)
-	ld	r19, VCPU_GPR(r19)(r4)
-	ld	r20, VCPU_GPR(r20)(r4)
-	ld	r21, VCPU_GPR(r21)(r4)
-	ld	r22, VCPU_GPR(r22)(r4)
-	ld	r23, VCPU_GPR(r23)(r4)
-	ld	r24, VCPU_GPR(r24)(r4)
-	ld	r25, VCPU_GPR(r25)(r4)
-	ld	r26, VCPU_GPR(r26)(r4)
-	ld	r27, VCPU_GPR(r27)(r4)
-	ld	r28, VCPU_GPR(r28)(r4)
-	ld	r29, VCPU_GPR(r29)(r4)
-	ld	r30, VCPU_GPR(r30)(r4)
-	ld	r31, VCPU_GPR(r31)(r4)
+kvm_start_lightweight:
 
 	ld	r9, VCPU_PC(r4)			/* r9 = vcpu->arch.pc */
 	ld	r10, VCPU_SHADOW_MSR(r4)	/* r10 = vcpu->arch.shadow_msr */
 
-	ld	r3, VCPU_TRAMPOLINE_ENTER(r4)
-	mtsrr0	r3
-
-	LOAD_REG_IMMEDIATE(r3, MSR_KERNEL & ~(MSR_IR | MSR_DR))
-	mtsrr1	r3
-
-	/* Load guest state in the respective registers */
-	lwz	r3, VCPU_CR(r4)		/* r3 = vcpu->arch.cr */
-	stw	r3, (PACA_EXMC + EX_CCR)(r13)
-
-	ld	r3, VCPU_CTR(r4)	/* r3 = vcpu->arch.ctr */
-	mtctr	r3			/* CTR = r3 */
+	/* Load some guest state in the respective registers */
+	ld	r5, VCPU_CTR(r4)	/* r5 = vcpu->arch.ctr */
+					/* will be swapped in by rmcall */
 
 	ld	r3, VCPU_LR(r4)		/* r3 = vcpu->arch.lr */
 	mtlr	r3			/* LR = r3 */
 
-	ld	r3, VCPU_XER(r4)	/* r3 = vcpu->arch.xer */
-	std	r3, (PACA_EXMC + EX_R3)(r13)
+	DISABLE_INTERRUPTS
 
 	/* Some guests may need to have dcbz set to 32 byte length.
 	 *
@@ -141,36 +127,15 @@ kvm_start_lightweight:
 	mtspr   SPRN_HID5,r3
 
 no_dcbz32_on:
-	/*	Load guest GPRs */
-
-	ld	r3, VCPU_GPR(r9)(r4)
-	std	r3, (PACA_EXMC + EX_R9)(r13)
-	ld	r3, VCPU_GPR(r10)(r4)
-	std	r3, (PACA_EXMC + EX_R10)(r13)
-	ld	r3, VCPU_GPR(r11)(r4)
-	std	r3, (PACA_EXMC + EX_R11)(r13)
-	ld	r3, VCPU_GPR(r12)(r4)
-	std	r3, (PACA_EXMC + EX_R12)(r13)
-	ld	r3, VCPU_GPR(r13)(r4)
-	std	r3, (PACA_EXMC + EX_R13)(r13)
-
-	ld	r0, VCPU_GPR(r0)(r4)
-	ld	r1, VCPU_GPR(r1)(r4)
-	ld	r2, VCPU_GPR(r2)(r4)
-	ld	r3, VCPU_GPR(r3)(r4)
-	ld	r5, VCPU_GPR(r5)(r4)
-	ld	r6, VCPU_GPR(r6)(r4)
-	ld	r7, VCPU_GPR(r7)(r4)
-	ld	r8, VCPU_GPR(r8)(r4)
-	ld	r4, VCPU_GPR(r4)(r4)
-
-	/* This sets the Magic value for the trampoline */
-
-	li	r11, 1
-	stb	r11, PACA_KVM_IN_GUEST(r13)
+
+	ld	r6, VCPU_RMCALL(r4)
+	mtctr	r6
+
+	ld	r3, VCPU_TRAMPOLINE_ENTER(r4)
+	LOAD_REG_IMMEDIATE(r4, MSR_KERNEL & ~(MSR_IR | MSR_DR))
 
 	/* Jump to SLB patching handlder and into our guest */
-	RFI
+	bctr
 
 /*
  * This is the handler in module memory. It gets jumped at from the
@@ -184,125 +149,70 @@ kvmppc_handler_highmem:
 	/*
 	 * Register usage at this point:
 	 *
-	 * R00   = guest R13
-	 * R01   = host R1
-	 * R02   = host R2
-	 * R10   = guest PC
-	 * R11   = guest MSR
-	 * R12   = exit handler id
-	 * R13   = PACA
-	 * PACA.exmc.R9    = guest R1
-	 * PACA.exmc.R10   = guest R10
-	 * PACA.exmc.R11   = guest R11
-	 * PACA.exmc.R12   = guest R12
-	 * PACA.exmc.R13   = guest R2
-	 * PACA.exmc.DAR   = guest DAR
-	 * PACA.exmc.DSISR = guest DSISR
-	 * PACA.exmc.LR    = guest instruction
-	 * PACA.exmc.CCR   = guest CR
-	 * PACA.exmc.SRR0  = guest R0
+	 * R0         = guest last inst
+	 * R1         = host R1
+	 * R2         = host R2
+	 * R3         = guest PC
+	 * R4         = guest MSR
+	 * R5         = guest DAR
+	 * R6         = guest DSISR
+	 * R13        = PACA
+	 * PACA.KVM.* = guest *
 	 *
 	 */
 
-	std	r3, (PACA_EXMC+EX_R3)(r13)
+	/* R7 = vcpu */
+	ld	r7, GPR4(r1)
 
-	/* save the exit id in R3 */
-	mr	r3, r12
+	/* Now save the guest state */
 
-	/* R12 = vcpu */
-	ld	r12, GPR4(r1)
+	stw	r0, VCPU_LAST_INST(r7)
 
-	/* Now save the guest state */
+	std	r3, VCPU_PC(r7)
+	std	r4, VCPU_SHADOW_SRR1(r7)
+	std	r5, VCPU_FAULT_DEAR(r7)
+	std	r6, VCPU_FAULT_DSISR(r7)
 
-	std	r0, VCPU_GPR(r13)(r12)
-	std	r4, VCPU_GPR(r4)(r12)
-	std	r5, VCPU_GPR(r5)(r12)
-	std	r6, VCPU_GPR(r6)(r12)
-	std	r7, VCPU_GPR(r7)(r12)
-	std	r8, VCPU_GPR(r8)(r12)
-	std	r9, VCPU_GPR(r9)(r12)
-
-	/* get registers from PACA */
-	mfpaca	r5, r0, EX_SRR0, r12
-	mfpaca	r5, r3, EX_R3, r12
-	mfpaca	r5, r1, EX_R9, r12
-	mfpaca	r5, r10, EX_R10, r12
-	mfpaca	r5, r11, EX_R11, r12
-	mfpaca	r5, r12, EX_R12, r12
-	mfpaca	r5, r2, EX_R13, r12
-
-	lwz	r5, (PACA_EXMC+EX_LR)(r13)
-	stw	r5, VCPU_LAST_INST(r12)
-
-	lwz	r5, (PACA_EXMC+EX_CCR)(r13)
-	stw	r5, VCPU_CR(r12)
-
-	ld	r5, VCPU_HFLAGS(r12)
+	ld	r5, VCPU_HFLAGS(r7)
 	rldicl.	r5, r5, 0, 63		/* CR = ((r5 & 1) == 0) */
 	beq	no_dcbz32_off
 
+	li	r4, 0
 	mfspr   r5,SPRN_HID5
-	rldimi  r5,r5,6,56
+	rldimi  r5,r4,6,56
 	mtspr   SPRN_HID5,r5
 
 no_dcbz32_off:
 
-	/* XXX maybe skip on lightweight? */
-	std	r14, VCPU_GPR(r14)(r12)
-	std	r15, VCPU_GPR(r15)(r12)
-	std	r16, VCPU_GPR(r16)(r12)
-	std	r17, VCPU_GPR(r17)(r12)
-	std	r18, VCPU_GPR(r18)(r12)
-	std	r19, VCPU_GPR(r19)(r12)
-	std	r20, VCPU_GPR(r20)(r12)
-	std	r21, VCPU_GPR(r21)(r12)
-	std	r22, VCPU_GPR(r22)(r12)
-	std	r23, VCPU_GPR(r23)(r12)
-	std	r24, VCPU_GPR(r24)(r12)
-	std	r25, VCPU_GPR(r25)(r12)
-	std	r26, VCPU_GPR(r26)(r12)
-	std	r27, VCPU_GPR(r27)(r12)
-	std	r28, VCPU_GPR(r28)(r12)
-	std	r29, VCPU_GPR(r29)(r12)
-	std	r30, VCPU_GPR(r30)(r12)
-	std	r31, VCPU_GPR(r31)(r12)
-
-	/* Restore non-volatile host registers (r14 - r31) */
-	REST_NVGPRS(r1)
-
-	/* Save guest PC (R10) */
-	std	r10, VCPU_PC(r12)
-
-	/* Save guest msr (R11) */
-	std	r11, VCPU_SHADOW_MSR(r12)
-
-	/* Save guest CTR (in R12) */
+	std	r14, VCPU_GPR(r14)(r7)
+	std	r15, VCPU_GPR(r15)(r7)
+	std	r16, VCPU_GPR(r16)(r7)
+	std	r17, VCPU_GPR(r17)(r7)
+	std	r18, VCPU_GPR(r18)(r7)
+	std	r19, VCPU_GPR(r19)(r7)
+	std	r20, VCPU_GPR(r20)(r7)
+	std	r21, VCPU_GPR(r21)(r7)
+	std	r22, VCPU_GPR(r22)(r7)
+	std	r23, VCPU_GPR(r23)(r7)
+	std	r24, VCPU_GPR(r24)(r7)
+	std	r25, VCPU_GPR(r25)(r7)
+	std	r26, VCPU_GPR(r26)(r7)
+	std	r27, VCPU_GPR(r27)(r7)
+	std	r28, VCPU_GPR(r28)(r7)
+	std	r29, VCPU_GPR(r29)(r7)
+	std	r30, VCPU_GPR(r30)(r7)
+	std	r31, VCPU_GPR(r31)(r7)
+
+	/* Save guest CTR */
 	mfctr	r5
-	std	r5, VCPU_CTR(r12)
+	std	r5, VCPU_CTR(r7)
 
 	/* Save guest LR */
 	mflr	r5
-	std	r5, VCPU_LR(r12)
-
-	/* Save guest XER */
-	mfxer	r5
-	std	r5, VCPU_XER(r12)
-
-	/* Save guest DAR */
-	ld	r5, (PACA_EXMC+EX_DAR)(r13)
-	std	r5, VCPU_FAULT_DEAR(r12)
-
-	/* Save guest DSISR */
-	lwz	r5, (PACA_EXMC+EX_DSISR)(r13)
-	std	r5, VCPU_FAULT_DSISR(r12)
+	std	r5, VCPU_LR(r7)
 
 	/* Restore host msr -> SRR1 */
-	ld	r7, VCPU_HOST_MSR(r12)
-	mtsrr1	r7
-
-	/* Restore host IP -> SRR0 */
-	ld	r6, VCPU_HOST_RETIP(r12)
-	mtsrr0	r6
+	ld	r6, VCPU_HOST_MSR(r7)
 
 	/*
 	 * For some interrupts, we need to call the real Linux
@@ -314,13 +224,14 @@ no_dcbz32_off:
 	 * r3 = address of interrupt handler (exit reason)
 	 */
 
-	cmpwi	r3, BOOK3S_INTERRUPT_EXTERNAL
+	cmpwi	r12, BOOK3S_INTERRUPT_EXTERNAL
 	beq	call_linux_handler
-	cmpwi	r3, BOOK3S_INTERRUPT_DECREMENTER
+	cmpwi	r12, BOOK3S_INTERRUPT_DECREMENTER
 	beq	call_linux_handler
 
-	/* Back to Interruptable Mode! (goto kvm_return_point) */
-	RFI
+	/* Back to EE=1 */
+	mtmsr	r6
+	b	kvm_return_point
 
 call_linux_handler:
 
@@ -333,16 +244,22 @@ call_linux_handler:
 	 * interrupt handler!
 	 *
 	 * R3 still contains the exit code,
-	 * R6 VCPU_HOST_RETIP and
-	 * R7 VCPU_HOST_MSR
+	 * R5 VCPU_HOST_RETIP and
+	 * R6 VCPU_HOST_MSR
 	 */
 
-	mtlr	r3
+	/* Restore host IP -> SRR0 */
+	ld	r5, VCPU_HOST_RETIP(r7)
+
+	/* XXX Better move to a safe function?
+	 *     What if we get an HTAB flush in between mtsrr0 and mtsrr1? */
 
-	ld	r5, VCPU_TRAMPOLINE_LOWMEM(r12)
-	mtsrr0	r5
-	LOAD_REG_IMMEDIATE(r5, MSR_KERNEL & ~(MSR_IR | MSR_DR))
-	mtsrr1	r5
+	mtlr	r12
+
+	ld	r4, VCPU_TRAMPOLINE_LOWMEM(r7)
+	mtsrr0	r4
+	LOAD_REG_IMMEDIATE(r3, MSR_KERNEL & ~(MSR_IR | MSR_DR))
+	mtsrr1	r3
 
 	RFI
 
@@ -351,42 +268,51 @@ kvm_return_point:
 
 	/* Jump back to lightweight entry if we're supposed to */
 	/* go back into the guest */
-	mr	r5, r3
+
+	/* Pass the exit number as 3rd argument to kvmppc_handle_exit */
+	mr	r5, r12
+
 	/* Restore r3 (kvm_run) and r4 (vcpu) */
 	REST_2GPRS(3, r1)
 	bl	KVMPPC_HANDLE_EXIT
 
-#if 0 /* XXX get lightweight exits back */
+	/* If RESUME_GUEST, get back in the loop */
 	cmpwi	r3, RESUME_GUEST
-	bne	kvm_exit_heavyweight
+	beq	kvm_loop_lightweight
 
-	/* put VCPU and KVM_RUN back into place and roll again! */
-	REST_2GPRS(3, r1)
-	b	kvm_start_lightweight
+	cmpwi	r3, RESUME_GUEST_NV
+	beq	kvm_loop_heavyweight
 
-kvm_exit_heavyweight:
-	/* Restore non-volatile host registers */
-	ld	r14, _LINK(r1)
-	mtlr	r14
-	REST_NVGPRS(r1)
+kvm_exit_loop:
 
-	addi    r1, r1, SWITCH_FRAME_SIZE
-#else
 	ld	r4, _LINK(r1)
 	mtlr	r4
 
-	cmpwi	r3, RESUME_GUEST
-	bne	kvm_exit_heavyweight
+	/* Restore non-volatile host registers (r14 - r31) */
+	REST_NVGPRS(r1)
+
+	addi    r1, r1, SWITCH_FRAME_SIZE
+	blr
+
+kvm_loop_heavyweight:
+
+	ld	r4, _LINK(r1)
+	std     r4, (16 + SWITCH_FRAME_SIZE)(r1)
 
+	/* Load vcpu and cpu_run */
 	REST_2GPRS(3, r1)
 
-	addi    r1, r1, SWITCH_FRAME_SIZE
+	/* Load non-volatile guest state from the vcpu */
+	VCPU_LOAD_NVGPRS(r4)
 
-	b	kvm_start_entry
+	/* Jump back into the beginning of this function */
+	b	kvm_start_lightweight
 
-kvm_exit_heavyweight:
+kvm_loop_lightweight:
 
-	addi    r1, r1, SWITCH_FRAME_SIZE
-#endif
+	/* We'll need the vcpu pointer */
+	REST_GPR(4, r1)
+
+	/* Jump back into the beginning of this function */
+	b	kvm_start_lightweight
 
-	blr
diff --git a/arch/powerpc/kvm/book3s_64_mmu.c b/arch/powerpc/kvm/book3s_64_mmu.c
index e4beeb371a73..512dcff77554 100644
--- a/arch/powerpc/kvm/book3s_64_mmu.c
+++ b/arch/powerpc/kvm/book3s_64_mmu.c
@@ -54,7 +54,7 @@ static struct kvmppc_slb *kvmppc_mmu_book3s_64_find_slbe(
 		if (!vcpu_book3s->slb[i].valid)
 			continue;
 
-		if (vcpu_book3s->slb[i].large)
+		if (vcpu_book3s->slb[i].tb)
 			cmp_esid = esid_1t;
 
 		if (vcpu_book3s->slb[i].esid == cmp_esid)
@@ -65,9 +65,10 @@ static struct kvmppc_slb *kvmppc_mmu_book3s_64_find_slbe(
 		eaddr, esid, esid_1t);
 	for (i = 0; i < vcpu_book3s->slb_nr; i++) {
 	    if (vcpu_book3s->slb[i].vsid)
-		dprintk("  %d: %c%c %llx %llx\n", i,
+		dprintk("  %d: %c%c%c %llx %llx\n", i,
 			vcpu_book3s->slb[i].valid ? 'v' : ' ',
 			vcpu_book3s->slb[i].large ? 'l' : ' ',
+			vcpu_book3s->slb[i].tb    ? 't' : ' ',
 			vcpu_book3s->slb[i].esid,
 			vcpu_book3s->slb[i].vsid);
 	}
@@ -84,7 +85,7 @@ static u64 kvmppc_mmu_book3s_64_ea_to_vp(struct kvm_vcpu *vcpu, gva_t eaddr,
 	if (!slb)
 		return 0;
 
-	if (slb->large)
+	if (slb->tb)
 		return (((u64)eaddr >> 12) & 0xfffffff) |
 		       (((u64)slb->vsid) << 28);
 
@@ -309,7 +310,8 @@ static void kvmppc_mmu_book3s_64_slbmte(struct kvm_vcpu *vcpu, u64 rs, u64 rb)
 	slbe = &vcpu_book3s->slb[slb_nr];
 
 	slbe->large = (rs & SLB_VSID_L) ? 1 : 0;
-	slbe->esid  = slbe->large ? esid_1t : esid;
+	slbe->tb    = (rs & SLB_VSID_B_1T) ? 1 : 0;
+	slbe->esid  = slbe->tb ? esid_1t : esid;
 	slbe->vsid  = rs >> 12;
 	slbe->valid = (rb & SLB_ESID_V) ? 1 : 0;
 	slbe->Ks    = (rs & SLB_VSID_KS) ? 1 : 0;
diff --git a/arch/powerpc/kvm/book3s_64_rmhandlers.S b/arch/powerpc/kvm/book3s_64_rmhandlers.S
index fb7dd2e9ac88..c83c60ad96c5 100644
--- a/arch/powerpc/kvm/book3s_64_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_64_rmhandlers.S
@@ -45,36 +45,25 @@ kvmppc_trampoline_\intno:
 	 * To distinguish, we check a magic byte in the PACA
 	 */
 	mfspr	r13, SPRN_SPRG_PACA		/* r13 = PACA */
-	std	r12, (PACA_EXMC + EX_R12)(r13)
+	std	r12, PACA_KVM_SCRATCH0(r13)
 	mfcr	r12
-	stw	r12, (PACA_EXMC + EX_CCR)(r13)
+	stw	r12, PACA_KVM_SCRATCH1(r13)
 	lbz	r12, PACA_KVM_IN_GUEST(r13)
-	cmpwi	r12, 0
+	cmpwi	r12, KVM_GUEST_MODE_NONE
 	bne	..kvmppc_handler_hasmagic_\intno
 	/* No KVM guest? Then jump back to the Linux handler! */
-	lwz	r12, (PACA_EXMC + EX_CCR)(r13)
+	lwz	r12, PACA_KVM_SCRATCH1(r13)
 	mtcr	r12
-	ld	r12, (PACA_EXMC + EX_R12)(r13)
+	ld	r12, PACA_KVM_SCRATCH0(r13)
 	mfspr	r13, SPRN_SPRG_SCRATCH0		/* r13 = original r13 */
 	b	kvmppc_resume_\intno		/* Get back original handler */
 
 	/* Now we know we're handling a KVM guest */
 ..kvmppc_handler_hasmagic_\intno:
-	/* Unset guest state */
-	li	r12, 0
-	stb	r12, PACA_KVM_IN_GUEST(r13)
 
-	std	r1, (PACA_EXMC+EX_R9)(r13)
-	std	r10, (PACA_EXMC+EX_R10)(r13)
-	std	r11, (PACA_EXMC+EX_R11)(r13)
-	std	r2, (PACA_EXMC+EX_R13)(r13)
-
-	mfsrr0	r10
-	mfsrr1	r11
-
-	/* Restore R1/R2 so we can handle faults */
-	ld	r1, PACAR1(r13)
-	ld	r2, (PACA_EXMC+EX_SRR0)(r13)
+	/* Should we just skip the faulting instruction? */
+	cmpwi	r12, KVM_GUEST_MODE_SKIP
+	beq	kvmppc_handler_skip_ins
 
 	/* Let's store which interrupt we're handling */
 	li	r12, \intno
@@ -102,23 +91,107 @@ INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_ALTIVEC
 INTERRUPT_TRAMPOLINE	BOOK3S_INTERRUPT_VSX
 
 /*
+ * Bring us back to the faulting code, but skip the
+ * faulting instruction.
+ *
+ * This is a generic exit path from the interrupt
+ * trampolines above.
+ *
+ * Input Registers:
+ *
+ * R12               = free
+ * R13               = PACA
+ * PACA.KVM.SCRATCH0 = guest R12
+ * PACA.KVM.SCRATCH1 = guest CR
+ * SPRG_SCRATCH0     = guest R13
+ *
+ */
+kvmppc_handler_skip_ins:
+
+	/* Patch the IP to the next instruction */
+	mfsrr0	r12
+	addi	r12, r12, 4
+	mtsrr0	r12
+
+	/* Clean up all state */
+	lwz	r12, PACA_KVM_SCRATCH1(r13)
+	mtcr	r12
+	ld	r12, PACA_KVM_SCRATCH0(r13)
+	mfspr	r13, SPRN_SPRG_SCRATCH0
+
+	/* And get back into the code */
+	RFI
+
+/*
  * This trampoline brings us back to a real mode handler
  *
  * Input Registers:
  *
- * R6 = SRR0
- * R7 = SRR1
+ * R5 = SRR0
+ * R6 = SRR1
  * LR = real-mode IP
  *
  */
 .global kvmppc_handler_lowmem_trampoline
 kvmppc_handler_lowmem_trampoline:
 
-	mtsrr0	r6
-	mtsrr1	r7
+	mtsrr0	r5
+	mtsrr1	r6
 	blr
 kvmppc_handler_lowmem_trampoline_end:
 
+/*
+ * Call a function in real mode
+ *
+ * Input Registers:
+ *
+ * R3 = function
+ * R4 = MSR
+ * R5 = CTR
+ *
+ */
+_GLOBAL(kvmppc_rmcall)
+	mtmsr	r4		/* Disable relocation, so mtsrr
+				   doesn't get interrupted */
+	mtctr	r5
+	mtsrr0	r3
+	mtsrr1	r4
+	RFI
+
+/*
+ * Activate current's external feature (FPU/Altivec/VSX)
+ */
+#define define_load_up(what) 				\
+							\
+_GLOBAL(kvmppc_load_up_ ## what);			\
+	subi	r1, r1, INT_FRAME_SIZE;			\
+	mflr	r3;					\
+	std	r3, _LINK(r1);				\
+	mfmsr	r4;					\
+	std	r31, GPR3(r1);				\
+	mr	r31, r4;				\
+	li	r5, MSR_DR;				\
+	oris	r5, r5, MSR_EE@h;			\
+	andc	r4, r4, r5;				\
+	mtmsr	r4;					\
+							\
+	bl	.load_up_ ## what;			\
+							\
+	mtmsr	r31;					\
+	ld	r3, _LINK(r1);				\
+	ld	r31, GPR3(r1);				\
+	addi	r1, r1, INT_FRAME_SIZE;			\
+	mtlr	r3;					\
+	blr
+
+define_load_up(fpu)
+#ifdef CONFIG_ALTIVEC
+define_load_up(altivec)
+#endif
+#ifdef CONFIG_VSX
+define_load_up(vsx)
+#endif
+
 .global kvmppc_trampoline_lowmem
 kvmppc_trampoline_lowmem:
 	.long kvmppc_handler_lowmem_trampoline - _stext
diff --git a/arch/powerpc/kvm/book3s_64_slb.S b/arch/powerpc/kvm/book3s_64_slb.S
index ecd237a03fd0..35b762722187 100644
--- a/arch/powerpc/kvm/book3s_64_slb.S
+++ b/arch/powerpc/kvm/book3s_64_slb.S
@@ -31,7 +31,7 @@
 #define REBOLT_SLB_ENTRY(num) \
 	ld	r10, SHADOW_SLB_ESID(num)(r11); \
 	cmpdi	r10, 0; \
-	beq	slb_exit_skip_1; \
+	beq	slb_exit_skip_ ## num; \
 	oris	r10, r10, SLB_ESID_V@h; \
 	ld	r9, SHADOW_SLB_VSID(num)(r11); \
 	slbmte	r9, r10; \
@@ -51,23 +51,21 @@ kvmppc_handler_trampoline_enter:
 	 *
 	 * MSR = ~IR|DR
 	 * R13 = PACA
+	 * R1 = host R1
+	 * R2 = host R2
 	 * R9 = guest IP
 	 * R10 = guest MSR
-	 * R11 = free
-	 * R12 = free
-	 * PACA[PACA_EXMC + EX_R9] = guest R9
-	 * PACA[PACA_EXMC + EX_R10] = guest R10
-	 * PACA[PACA_EXMC + EX_R11] = guest R11
-	 * PACA[PACA_EXMC + EX_R12] = guest R12
-	 * PACA[PACA_EXMC + EX_R13] = guest R13
-	 * PACA[PACA_EXMC + EX_CCR] = guest CR
-	 * PACA[PACA_EXMC + EX_R3] = guest XER
+	 * all other GPRS = free
+	 * PACA[KVM_CR] = guest CR
+	 * PACA[KVM_XER] = guest XER
 	 */
 
 	mtsrr0	r9
 	mtsrr1	r10
 
-	mtspr	SPRN_SPRG_SCRATCH0, r0
+	/* Activate guest mode, so faults get handled by KVM */
+	li	r11, KVM_GUEST_MODE_GUEST
+	stb	r11, PACA_KVM_IN_GUEST(r13)
 
 	/* Remove LPAR shadow entries */
 
@@ -131,20 +129,27 @@ slb_do_enter:
 
 	/* Enter guest */
 
-	mfspr	r0, SPRN_SPRG_SCRATCH0
-
-	ld	r9, (PACA_EXMC+EX_R9)(r13)
-	ld	r10, (PACA_EXMC+EX_R10)(r13)
-	ld	r12, (PACA_EXMC+EX_R12)(r13)
-
-	lwz	r11, (PACA_EXMC+EX_CCR)(r13)
+	ld	r0, (PACA_KVM_R0)(r13)
+	ld	r1, (PACA_KVM_R1)(r13)
+	ld	r2, (PACA_KVM_R2)(r13)
+	ld	r3, (PACA_KVM_R3)(r13)
+	ld	r4, (PACA_KVM_R4)(r13)
+	ld	r5, (PACA_KVM_R5)(r13)
+	ld	r6, (PACA_KVM_R6)(r13)
+	ld	r7, (PACA_KVM_R7)(r13)
+	ld	r8, (PACA_KVM_R8)(r13)
+	ld	r9, (PACA_KVM_R9)(r13)
+	ld	r10, (PACA_KVM_R10)(r13)
+	ld	r12, (PACA_KVM_R12)(r13)
+
+	lwz	r11, (PACA_KVM_CR)(r13)
 	mtcr	r11
 
-	ld	r11, (PACA_EXMC+EX_R3)(r13)
+	ld	r11, (PACA_KVM_XER)(r13)
 	mtxer	r11
 
-	ld	r11, (PACA_EXMC+EX_R11)(r13)
-	ld	r13, (PACA_EXMC+EX_R13)(r13)
+	ld	r11, (PACA_KVM_R11)(r13)
+	ld	r13, (PACA_KVM_R13)(r13)
 
 	RFI
 kvmppc_handler_trampoline_enter_end:
@@ -162,28 +167,54 @@ kvmppc_handler_trampoline_exit:
 
 	/* Register usage at this point:
 	 *
-	 * SPRG_SCRATCH0 = guest R13
-	 * R01           = host R1
-	 * R02           = host R2
-	 * R10           = guest PC
-	 * R11           = guest MSR
-	 * R12           = exit handler id
-	 * R13           = PACA
-	 * PACA.exmc.CCR  = guest CR
-	 * PACA.exmc.R9  = guest R1
-	 * PACA.exmc.R10 = guest R10
-	 * PACA.exmc.R11 = guest R11
-	 * PACA.exmc.R12 = guest R12
-	 * PACA.exmc.R13 = guest R2
+	 * SPRG_SCRATCH0     = guest R13
+	 * R12               = exit handler id
+	 * R13               = PACA
+	 * PACA.KVM.SCRATCH0 = guest R12
+	 * PACA.KVM.SCRATCH1 = guest CR
 	 *
 	 */
 
 	/* Save registers */
 
-	std	r0, (PACA_EXMC+EX_SRR0)(r13)
-	std	r9, (PACA_EXMC+EX_R3)(r13)
-	std	r10, (PACA_EXMC+EX_LR)(r13)
-	std	r11, (PACA_EXMC+EX_DAR)(r13)
+	std	r0, PACA_KVM_R0(r13)
+	std	r1, PACA_KVM_R1(r13)
+	std	r2, PACA_KVM_R2(r13)
+	std	r3, PACA_KVM_R3(r13)
+	std	r4, PACA_KVM_R4(r13)
+	std	r5, PACA_KVM_R5(r13)
+	std	r6, PACA_KVM_R6(r13)
+	std	r7, PACA_KVM_R7(r13)
+	std	r8, PACA_KVM_R8(r13)
+	std	r9, PACA_KVM_R9(r13)
+	std	r10, PACA_KVM_R10(r13)
+	std	r11, PACA_KVM_R11(r13)
+
+	/* Restore R1/R2 so we can handle faults */
+	ld	r1, PACA_KVM_HOST_R1(r13)
+	ld	r2, PACA_KVM_HOST_R2(r13)
+
+	/* Save guest PC and MSR in GPRs */
+	mfsrr0	r3
+	mfsrr1	r4
+
+	/* Get scratch'ed off registers */
+	mfspr	r9, SPRN_SPRG_SCRATCH0
+	std	r9, PACA_KVM_R13(r13)
+
+	ld	r8, PACA_KVM_SCRATCH0(r13)
+	std	r8, PACA_KVM_R12(r13)
+
+	lwz	r7, PACA_KVM_SCRATCH1(r13)
+	stw	r7, PACA_KVM_CR(r13)
+
+	/* Save more register state  */
+
+	mfxer	r6
+	stw	r6, PACA_KVM_XER(r13)
+
+	mfdar	r5
+	mfdsisr	r6
 
 	/*
 	 * In order for us to easily get the last instruction,
@@ -202,17 +233,28 @@ kvmppc_handler_trampoline_exit:
 
 ld_last_inst:
 	/* Save off the guest instruction we're at */
+
+	/* Set guest mode to 'jump over instruction' so if lwz faults
+	 * we'll just continue at the next IP. */
+	li	r9, KVM_GUEST_MODE_SKIP
+	stb	r9, PACA_KVM_IN_GUEST(r13)
+
 	/*    1) enable paging for data */
 	mfmsr	r9
 	ori	r11, r9, MSR_DR			/* Enable paging for data */
 	mtmsr	r11
 	/*    2) fetch the instruction */
-	lwz	r0, 0(r10)
+	li	r0, KVM_INST_FETCH_FAILED	/* In case lwz faults */
+	lwz	r0, 0(r3)
 	/*    3) disable paging again */
 	mtmsr	r9
 
 no_ld_last_inst:
 
+	/* Unset guest mode */
+	li	r9, KVM_GUEST_MODE_NONE
+	stb	r9, PACA_KVM_IN_GUEST(r13)
+
 	/* Restore bolted entries from the shadow and fix it along the way */
 
 	/* We don't store anything in entry 0, so we don't need to take care of it */
@@ -233,29 +275,27 @@ no_ld_last_inst:
 
 slb_do_exit:
 
-	/* Restore registers */
-
-	ld	r11, (PACA_EXMC+EX_DAR)(r13)
-	ld	r10, (PACA_EXMC+EX_LR)(r13)
-	ld	r9, (PACA_EXMC+EX_R3)(r13)
-
-	/* Save last inst */
-	stw	r0, (PACA_EXMC+EX_LR)(r13)
-
-	/* Save DAR and DSISR before going to paged mode */
-	mfdar	r0
-	std	r0, (PACA_EXMC+EX_DAR)(r13)
-	mfdsisr	r0
-	stw	r0, (PACA_EXMC+EX_DSISR)(r13)
+	/* Register usage at this point:
+	 *
+	 * R0         = guest last inst
+	 * R1         = host R1
+	 * R2         = host R2
+	 * R3         = guest PC
+	 * R4         = guest MSR
+	 * R5         = guest DAR
+	 * R6         = guest DSISR
+	 * R12        = exit handler id
+	 * R13        = PACA
+	 * PACA.KVM.* = guest *
+	 *
+	 */
 
 	/* RFI into the highmem handler */
-	mfmsr	r0
-	ori	r0, r0, MSR_IR|MSR_DR|MSR_RI	/* Enable paging */
-	mtsrr1	r0
-	ld	r0, PACASAVEDMSR(r13)		/* Highmem handler address */
-	mtsrr0	r0
-
-	mfspr	r0, SPRN_SPRG_SCRATCH0
+	mfmsr	r7
+	ori	r7, r7, MSR_IR|MSR_DR|MSR_RI	/* Enable paging */
+	mtsrr1	r7
+	ld	r8, PACA_KVM_VMHANDLER(r13)	/* Highmem handler address */
+	mtsrr0	r8
 
 	RFI
 kvmppc_handler_trampoline_exit_end:
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 06f5a9ecc42c..4d686cc6b260 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -69,10 +69,10 @@ void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu)
 
 	for (i = 0; i < 32; i += 4) {
 		printk("gpr%02d: %08lx %08lx %08lx %08lx\n", i,
-		       vcpu->arch.gpr[i],
-		       vcpu->arch.gpr[i+1],
-		       vcpu->arch.gpr[i+2],
-		       vcpu->arch.gpr[i+3]);
+		       kvmppc_get_gpr(vcpu, i),
+		       kvmppc_get_gpr(vcpu, i+1),
+		       kvmppc_get_gpr(vcpu, i+2),
+		       kvmppc_get_gpr(vcpu, i+3));
 	}
 }
 
@@ -82,8 +82,32 @@ static void kvmppc_booke_queue_irqprio(struct kvm_vcpu *vcpu,
 	set_bit(priority, &vcpu->arch.pending_exceptions);
 }
 
-void kvmppc_core_queue_program(struct kvm_vcpu *vcpu)
+static void kvmppc_core_queue_dtlb_miss(struct kvm_vcpu *vcpu,
+                                        ulong dear_flags, ulong esr_flags)
 {
+	vcpu->arch.queued_dear = dear_flags;
+	vcpu->arch.queued_esr = esr_flags;
+	kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_DTLB_MISS);
+}
+
+static void kvmppc_core_queue_data_storage(struct kvm_vcpu *vcpu,
+                                           ulong dear_flags, ulong esr_flags)
+{
+	vcpu->arch.queued_dear = dear_flags;
+	vcpu->arch.queued_esr = esr_flags;
+	kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_DATA_STORAGE);
+}
+
+static void kvmppc_core_queue_inst_storage(struct kvm_vcpu *vcpu,
+                                           ulong esr_flags)
+{
+	vcpu->arch.queued_esr = esr_flags;
+	kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_INST_STORAGE);
+}
+
+void kvmppc_core_queue_program(struct kvm_vcpu *vcpu, ulong esr_flags)
+{
+	vcpu->arch.queued_esr = esr_flags;
 	kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_PROGRAM);
 }
 
@@ -97,6 +121,11 @@ int kvmppc_core_pending_dec(struct kvm_vcpu *vcpu)
 	return test_bit(BOOKE_IRQPRIO_DECREMENTER, &vcpu->arch.pending_exceptions);
 }
 
+void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu)
+{
+	clear_bit(BOOKE_IRQPRIO_DECREMENTER, &vcpu->arch.pending_exceptions);
+}
+
 void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
                                 struct kvm_interrupt *irq)
 {
@@ -109,14 +138,19 @@ static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu,
 {
 	int allowed = 0;
 	ulong msr_mask;
+	bool update_esr = false, update_dear = false;
 
 	switch (priority) {
-	case BOOKE_IRQPRIO_PROGRAM:
 	case BOOKE_IRQPRIO_DTLB_MISS:
-	case BOOKE_IRQPRIO_ITLB_MISS:
-	case BOOKE_IRQPRIO_SYSCALL:
 	case BOOKE_IRQPRIO_DATA_STORAGE:
+		update_dear = true;
+		/* fall through */
 	case BOOKE_IRQPRIO_INST_STORAGE:
+	case BOOKE_IRQPRIO_PROGRAM:
+		update_esr = true;
+		/* fall through */
+	case BOOKE_IRQPRIO_ITLB_MISS:
+	case BOOKE_IRQPRIO_SYSCALL:
 	case BOOKE_IRQPRIO_FP_UNAVAIL:
 	case BOOKE_IRQPRIO_SPE_UNAVAIL:
 	case BOOKE_IRQPRIO_SPE_FP_DATA:
@@ -151,6 +185,10 @@ static int kvmppc_booke_irqprio_deliver(struct kvm_vcpu *vcpu,
 		vcpu->arch.srr0 = vcpu->arch.pc;
 		vcpu->arch.srr1 = vcpu->arch.msr;
 		vcpu->arch.pc = vcpu->arch.ivpr | vcpu->arch.ivor[priority];
+		if (update_esr == true)
+			vcpu->arch.esr = vcpu->arch.queued_esr;
+		if (update_dear == true)
+			vcpu->arch.dear = vcpu->arch.queued_dear;
 		kvmppc_set_msr(vcpu, vcpu->arch.msr & msr_mask);
 
 		clear_bit(priority, &vcpu->arch.pending_exceptions);
@@ -223,8 +261,7 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		if (vcpu->arch.msr & MSR_PR) {
 			/* Program traps generated by user-level software must be handled
 			 * by the guest kernel. */
-			vcpu->arch.esr = vcpu->arch.fault_esr;
-			kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_PROGRAM);
+			kvmppc_core_queue_program(vcpu, vcpu->arch.fault_esr);
 			r = RESUME_GUEST;
 			kvmppc_account_exit(vcpu, USR_PR_INST);
 			break;
@@ -280,16 +317,14 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		break;
 
 	case BOOKE_INTERRUPT_DATA_STORAGE:
-		vcpu->arch.dear = vcpu->arch.fault_dear;
-		vcpu->arch.esr = vcpu->arch.fault_esr;
-		kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_DATA_STORAGE);
+		kvmppc_core_queue_data_storage(vcpu, vcpu->arch.fault_dear,
+		                               vcpu->arch.fault_esr);
 		kvmppc_account_exit(vcpu, DSI_EXITS);
 		r = RESUME_GUEST;
 		break;
 
 	case BOOKE_INTERRUPT_INST_STORAGE:
-		vcpu->arch.esr = vcpu->arch.fault_esr;
-		kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_INST_STORAGE);
+		kvmppc_core_queue_inst_storage(vcpu, vcpu->arch.fault_esr);
 		kvmppc_account_exit(vcpu, ISI_EXITS);
 		r = RESUME_GUEST;
 		break;
@@ -310,9 +345,9 @@ int kvmppc_handle_exit(struct kvm_run *run, struct kvm_vcpu *vcpu,
 		gtlb_index = kvmppc_mmu_dtlb_index(vcpu, eaddr);
 		if (gtlb_index < 0) {
 			/* The guest didn't have a mapping for it. */
-			kvmppc_booke_queue_irqprio(vcpu, BOOKE_IRQPRIO_DTLB_MISS);
-			vcpu->arch.dear = vcpu->arch.fault_dear;
-			vcpu->arch.esr = vcpu->arch.fault_esr;
+			kvmppc_core_queue_dtlb_miss(vcpu,
+			                            vcpu->arch.fault_dear,
+			                            vcpu->arch.fault_esr);
 			kvmppc_mmu_dtlb_miss(vcpu);
 			kvmppc_account_exit(vcpu, DTLB_REAL_MISS_EXITS);
 			r = RESUME_GUEST;
@@ -426,7 +461,7 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
 {
 	vcpu->arch.pc = 0;
 	vcpu->arch.msr = 0;
-	vcpu->arch.gpr[1] = (16<<20) - 8; /* -8 for the callee-save LR slot */
+	kvmppc_set_gpr(vcpu, 1, (16<<20) - 8); /* -8 for the callee-save LR slot */
 
 	vcpu->arch.shadow_pid = 1;
 
@@ -444,10 +479,10 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	int i;
 
 	regs->pc = vcpu->arch.pc;
-	regs->cr = vcpu->arch.cr;
+	regs->cr = kvmppc_get_cr(vcpu);
 	regs->ctr = vcpu->arch.ctr;
 	regs->lr = vcpu->arch.lr;
-	regs->xer = vcpu->arch.xer;
+	regs->xer = kvmppc_get_xer(vcpu);
 	regs->msr = vcpu->arch.msr;
 	regs->srr0 = vcpu->arch.srr0;
 	regs->srr1 = vcpu->arch.srr1;
@@ -461,7 +496,7 @@ int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	regs->sprg7 = vcpu->arch.sprg6;
 
 	for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
-		regs->gpr[i] = vcpu->arch.gpr[i];
+		regs->gpr[i] = kvmppc_get_gpr(vcpu, i);
 
 	return 0;
 }
@@ -471,10 +506,10 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	int i;
 
 	vcpu->arch.pc = regs->pc;
-	vcpu->arch.cr = regs->cr;
+	kvmppc_set_cr(vcpu, regs->cr);
 	vcpu->arch.ctr = regs->ctr;
 	vcpu->arch.lr = regs->lr;
-	vcpu->arch.xer = regs->xer;
+	kvmppc_set_xer(vcpu, regs->xer);
 	kvmppc_set_msr(vcpu, regs->msr);
 	vcpu->arch.srr0 = regs->srr0;
 	vcpu->arch.srr1 = regs->srr1;
@@ -486,8 +521,8 @@ int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
 	vcpu->arch.sprg6 = regs->sprg5;
 	vcpu->arch.sprg7 = regs->sprg6;
 
-	for (i = 0; i < ARRAY_SIZE(vcpu->arch.gpr); i++)
-		vcpu->arch.gpr[i] = regs->gpr[i];
+	for (i = 0; i < ARRAY_SIZE(regs->gpr); i++)
+		kvmppc_set_gpr(vcpu, i, regs->gpr[i]);
 
 	return 0;
 }
diff --git a/arch/powerpc/kvm/booke_emulate.c b/arch/powerpc/kvm/booke_emulate.c
index aebc65e93f4b..cbc790ee1928 100644
--- a/arch/powerpc/kvm/booke_emulate.c
+++ b/arch/powerpc/kvm/booke_emulate.c
@@ -62,20 +62,20 @@ int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 
 		case OP_31_XOP_MFMSR:
 			rt = get_rt(inst);
-			vcpu->arch.gpr[rt] = vcpu->arch.msr;
+			kvmppc_set_gpr(vcpu, rt, vcpu->arch.msr);
 			kvmppc_set_exit_type(vcpu, EMULATED_MFMSR_EXITS);
 			break;
 
 		case OP_31_XOP_MTMSR:
 			rs = get_rs(inst);
 			kvmppc_set_exit_type(vcpu, EMULATED_MTMSR_EXITS);
-			kvmppc_set_msr(vcpu, vcpu->arch.gpr[rs]);
+			kvmppc_set_msr(vcpu, kvmppc_get_gpr(vcpu, rs));
 			break;
 
 		case OP_31_XOP_WRTEE:
 			rs = get_rs(inst);
 			vcpu->arch.msr = (vcpu->arch.msr & ~MSR_EE)
-							 | (vcpu->arch.gpr[rs] & MSR_EE);
+					| (kvmppc_get_gpr(vcpu, rs) & MSR_EE);
 			kvmppc_set_exit_type(vcpu, EMULATED_WRTEE_EXITS);
 			break;
 
@@ -101,22 +101,23 @@ int kvmppc_booke_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
 int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
 {
 	int emulated = EMULATE_DONE;
+	ulong spr_val = kvmppc_get_gpr(vcpu, rs);
 
 	switch (sprn) {
 	case SPRN_DEAR:
-		vcpu->arch.dear = vcpu->arch.gpr[rs]; break;
+		vcpu->arch.dear = spr_val; break;
 	case SPRN_ESR:
-		vcpu->arch.esr = vcpu->arch.gpr[rs]; break;
+		vcpu->arch.esr = spr_val; break;
 	case SPRN_DBCR0:
-		vcpu->arch.dbcr0 = vcpu->arch.gpr[rs]; break;
+		vcpu->arch.dbcr0 = spr_val; break;
 	case SPRN_DBCR1:
-		vcpu->arch.dbcr1 = vcpu->arch.gpr[rs]; break;
+		vcpu->arch.dbcr1 = spr_val; break;
 	case SPRN_DBSR:
-		vcpu->arch.dbsr &= ~vcpu->arch.gpr[rs]; break;
+		vcpu->arch.dbsr &= ~spr_val; break;
 	case SPRN_TSR:
-		vcpu->arch.tsr &= ~vcpu->arch.gpr[rs]; break;
+		vcpu->arch.tsr &= ~spr_val; break;
 	case SPRN_TCR:
-		vcpu->arch.tcr = vcpu->arch.gpr[rs];
+		vcpu->arch.tcr = spr_val;
 		kvmppc_emulate_dec(vcpu);
 		break;
 
@@ -124,64 +125,64 @@ int kvmppc_booke_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
 	 * loaded into the real SPRGs when resuming the
 	 * guest. */
 	case SPRN_SPRG4:
-		vcpu->arch.sprg4 = vcpu->arch.gpr[rs]; break;
+		vcpu->arch.sprg4 = spr_val; break;
 	case SPRN_SPRG5:
-		vcpu->arch.sprg5 = vcpu->arch.gpr[rs]; break;
+		vcpu->arch.sprg5 = spr_val; break;
 	case SPRN_SPRG6:
-		vcpu->arch.sprg6 = vcpu->arch.gpr[rs]; break;
+		vcpu->arch.sprg6 = spr_val; break;
 	case SPRN_SPRG7:
-		vcpu->arch.sprg7 = vcpu->arch.gpr[rs]; break;
+		vcpu->arch.sprg7 = spr_val; break;
 
 	case SPRN_IVPR:
-		vcpu->arch.ivpr = vcpu->arch.gpr[rs];
+		vcpu->arch.ivpr = spr_val;
 		break;
 	case SPRN_IVOR0:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL] = spr_val;
 		break;
 	case SPRN_IVOR1:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_MACHINE_CHECK] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_MACHINE_CHECK] = spr_val;
 		break;
 	case SPRN_IVOR2:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_DATA_STORAGE] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_DATA_STORAGE] = spr_val;
 		break;
 	case SPRN_IVOR3:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_INST_STORAGE] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_INST_STORAGE] = spr_val;
 		break;
 	case SPRN_IVOR4:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_EXTERNAL] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_EXTERNAL] = spr_val;
 		break;
 	case SPRN_IVOR5:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_ALIGNMENT] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_ALIGNMENT] = spr_val;
 		break;
 	case SPRN_IVOR6:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_PROGRAM] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_PROGRAM] = spr_val;
 		break;
 	case SPRN_IVOR7:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_FP_UNAVAIL] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_FP_UNAVAIL] = spr_val;
 		break;
 	case SPRN_IVOR8:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_SYSCALL] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_SYSCALL] = spr_val;
 		break;
 	case SPRN_IVOR9:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_AP_UNAVAIL] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_AP_UNAVAIL] = spr_val;
 		break;
 	case SPRN_IVOR10:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_DECREMENTER] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_DECREMENTER] = spr_val;
 		break;
 	case SPRN_IVOR11:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_FIT] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_FIT] = spr_val;
 		break;
 	case SPRN_IVOR12:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_WATCHDOG] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_WATCHDOG] = spr_val;
 		break;
 	case SPRN_IVOR13:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS] = spr_val;
 		break;
 	case SPRN_IVOR14:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS] = spr_val;
 		break;
 	case SPRN_IVOR15:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG] = spr_val;
 		break;
 
 	default:
@@ -197,65 +198,65 @@ int kvmppc_booke_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
 
 	switch (sprn) {
 	case SPRN_IVPR:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivpr; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivpr); break;
 	case SPRN_DEAR:
-		vcpu->arch.gpr[rt] = vcpu->arch.dear; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.dear); break;
 	case SPRN_ESR:
-		vcpu->arch.gpr[rt] = vcpu->arch.esr; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.esr); break;
 	case SPRN_DBCR0:
-		vcpu->arch.gpr[rt] = vcpu->arch.dbcr0; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.dbcr0); break;
 	case SPRN_DBCR1:
-		vcpu->arch.gpr[rt] = vcpu->arch.dbcr1; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.dbcr1); break;
 	case SPRN_DBSR:
-		vcpu->arch.gpr[rt] = vcpu->arch.dbsr; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.dbsr); break;
 
 	case SPRN_IVOR0:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_CRITICAL]);
 		break;
 	case SPRN_IVOR1:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_MACHINE_CHECK];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_MACHINE_CHECK]);
 		break;
 	case SPRN_IVOR2:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DATA_STORAGE];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_DATA_STORAGE]);
 		break;
 	case SPRN_IVOR3:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_INST_STORAGE];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_INST_STORAGE]);
 		break;
 	case SPRN_IVOR4:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_EXTERNAL];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_EXTERNAL]);
 		break;
 	case SPRN_IVOR5:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_ALIGNMENT];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_ALIGNMENT]);
 		break;
 	case SPRN_IVOR6:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_PROGRAM];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_PROGRAM]);
 		break;
 	case SPRN_IVOR7:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_FP_UNAVAIL];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_FP_UNAVAIL]);
 		break;
 	case SPRN_IVOR8:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SYSCALL];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SYSCALL]);
 		break;
 	case SPRN_IVOR9:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_AP_UNAVAIL];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_AP_UNAVAIL]);
 		break;
 	case SPRN_IVOR10:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DECREMENTER];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_DECREMENTER]);
 		break;
 	case SPRN_IVOR11:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_FIT];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_FIT]);
 		break;
 	case SPRN_IVOR12:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_WATCHDOG];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_WATCHDOG]);
 		break;
 	case SPRN_IVOR13:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_DTLB_MISS]);
 		break;
 	case SPRN_IVOR14:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_ITLB_MISS]);
 		break;
 	case SPRN_IVOR15:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_DEBUG]);
 		break;
 
 	default:
diff --git a/arch/powerpc/kvm/e500.c b/arch/powerpc/kvm/e500.c
index 64949eef43f1..efa1198940ab 100644
--- a/arch/powerpc/kvm/e500.c
+++ b/arch/powerpc/kvm/e500.c
@@ -60,6 +60,12 @@ int kvmppc_core_vcpu_setup(struct kvm_vcpu *vcpu)
 
 	kvmppc_e500_tlb_setup(vcpu_e500);
 
+	/* Registers init */
+	vcpu->arch.pvr = mfspr(SPRN_PVR);
+
+	/* Since booke kvm only support one core, update all vcpus' PIR to 0 */
+	vcpu->vcpu_id = 0;
+
 	return 0;
 }
 
diff --git a/arch/powerpc/kvm/e500_emulate.c b/arch/powerpc/kvm/e500_emulate.c
index be95b8d8e3b7..8e3edfbc9634 100644
--- a/arch/powerpc/kvm/e500_emulate.c
+++ b/arch/powerpc/kvm/e500_emulate.c
@@ -74,54 +74,59 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
 {
 	struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
 	int emulated = EMULATE_DONE;
+	ulong spr_val = kvmppc_get_gpr(vcpu, rs);
 
 	switch (sprn) {
 	case SPRN_PID:
 		vcpu_e500->pid[0] = vcpu->arch.shadow_pid =
-			vcpu->arch.pid = vcpu->arch.gpr[rs];
+			vcpu->arch.pid = spr_val;
 		break;
 	case SPRN_PID1:
-		vcpu_e500->pid[1] = vcpu->arch.gpr[rs]; break;
+		vcpu_e500->pid[1] = spr_val; break;
 	case SPRN_PID2:
-		vcpu_e500->pid[2] = vcpu->arch.gpr[rs]; break;
+		vcpu_e500->pid[2] = spr_val; break;
 	case SPRN_MAS0:
-		vcpu_e500->mas0 = vcpu->arch.gpr[rs]; break;
+		vcpu_e500->mas0 = spr_val; break;
 	case SPRN_MAS1:
-		vcpu_e500->mas1 = vcpu->arch.gpr[rs]; break;
+		vcpu_e500->mas1 = spr_val; break;
 	case SPRN_MAS2:
-		vcpu_e500->mas2 = vcpu->arch.gpr[rs]; break;
+		vcpu_e500->mas2 = spr_val; break;
 	case SPRN_MAS3:
-		vcpu_e500->mas3 = vcpu->arch.gpr[rs]; break;
+		vcpu_e500->mas3 = spr_val; break;
 	case SPRN_MAS4:
-		vcpu_e500->mas4 = vcpu->arch.gpr[rs]; break;
+		vcpu_e500->mas4 = spr_val; break;
 	case SPRN_MAS6:
-		vcpu_e500->mas6 = vcpu->arch.gpr[rs]; break;
+		vcpu_e500->mas6 = spr_val; break;
 	case SPRN_MAS7:
-		vcpu_e500->mas7 = vcpu->arch.gpr[rs]; break;
+		vcpu_e500->mas7 = spr_val; break;
+	case SPRN_L1CSR0:
+		vcpu_e500->l1csr0 = spr_val;
+		vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);
+		break;
 	case SPRN_L1CSR1:
-		vcpu_e500->l1csr1 = vcpu->arch.gpr[rs]; break;
+		vcpu_e500->l1csr1 = spr_val; break;
 	case SPRN_HID0:
-		vcpu_e500->hid0 = vcpu->arch.gpr[rs]; break;
+		vcpu_e500->hid0 = spr_val; break;
 	case SPRN_HID1:
-		vcpu_e500->hid1 = vcpu->arch.gpr[rs]; break;
+		vcpu_e500->hid1 = spr_val; break;
 
 	case SPRN_MMUCSR0:
 		emulated = kvmppc_e500_emul_mt_mmucsr0(vcpu_e500,
-				vcpu->arch.gpr[rs]);
+				spr_val);
 		break;
 
 	/* extra exceptions */
 	case SPRN_IVOR32:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = spr_val;
 		break;
 	case SPRN_IVOR33:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = spr_val;
 		break;
 	case SPRN_IVOR34:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = spr_val;
 		break;
 	case SPRN_IVOR35:
-		vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = vcpu->arch.gpr[rs];
+		vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = spr_val;
 		break;
 
 	default:
@@ -138,63 +143,57 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
 
 	switch (sprn) {
 	case SPRN_PID:
-		vcpu->arch.gpr[rt] = vcpu_e500->pid[0]; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[0]); break;
 	case SPRN_PID1:
-		vcpu->arch.gpr[rt] = vcpu_e500->pid[1]; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[1]); break;
 	case SPRN_PID2:
-		vcpu->arch.gpr[rt] = vcpu_e500->pid[2]; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[2]); break;
 	case SPRN_MAS0:
-		vcpu->arch.gpr[rt] = vcpu_e500->mas0; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas0); break;
 	case SPRN_MAS1:
-		vcpu->arch.gpr[rt] = vcpu_e500->mas1; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas1); break;
 	case SPRN_MAS2:
-		vcpu->arch.gpr[rt] = vcpu_e500->mas2; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas2); break;
 	case SPRN_MAS3:
-		vcpu->arch.gpr[rt] = vcpu_e500->mas3; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas3); break;
 	case SPRN_MAS4:
-		vcpu->arch.gpr[rt] = vcpu_e500->mas4; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas4); break;
 	case SPRN_MAS6:
-		vcpu->arch.gpr[rt] = vcpu_e500->mas6; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas6); break;
 	case SPRN_MAS7:
-		vcpu->arch.gpr[rt] = vcpu_e500->mas7; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas7); break;
 
 	case SPRN_TLB0CFG:
-		vcpu->arch.gpr[rt] = mfspr(SPRN_TLB0CFG);
-		vcpu->arch.gpr[rt] &= ~0xfffUL;
-		vcpu->arch.gpr[rt] |= vcpu_e500->guest_tlb_size[0];
-		break;
-
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb0cfg); break;
 	case SPRN_TLB1CFG:
-		vcpu->arch.gpr[rt] = mfspr(SPRN_TLB1CFG);
-		vcpu->arch.gpr[rt] &= ~0xfffUL;
-		vcpu->arch.gpr[rt] |= vcpu_e500->guest_tlb_size[1];
-		break;
-
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb1cfg); break;
+	case SPRN_L1CSR0:
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break;
 	case SPRN_L1CSR1:
-		vcpu->arch.gpr[rt] = vcpu_e500->l1csr1; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break;
 	case SPRN_HID0:
-		vcpu->arch.gpr[rt] = vcpu_e500->hid0; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid0); break;
 	case SPRN_HID1:
-		vcpu->arch.gpr[rt] = vcpu_e500->hid1; break;
+		kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid1); break;
 
 	case SPRN_MMUCSR0:
-		vcpu->arch.gpr[rt] = 0; break;
+		kvmppc_set_gpr(vcpu, rt, 0); break;
 
 	case SPRN_MMUCFG:
-		vcpu->arch.gpr[rt] = mfspr(SPRN_MMUCFG); break;
+		kvmppc_set_gpr(vcpu, rt, mfspr(SPRN_MMUCFG)); break;
 
 	/* extra exceptions */
 	case SPRN_IVOR32:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL]);
 		break;
 	case SPRN_IVOR33:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA]);
 		break;
 	case SPRN_IVOR34:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND]);
 		break;
 	case SPRN_IVOR35:
-		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR];
+		kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR]);
 		break;
 	default:
 		emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
diff --git a/arch/powerpc/kvm/e500_tlb.c b/arch/powerpc/kvm/e500_tlb.c
index fb1e1dc11ba5..0d772e6b6318 100644
--- a/arch/powerpc/kvm/e500_tlb.c
+++ b/arch/powerpc/kvm/e500_tlb.c
@@ -417,7 +417,7 @@ int kvmppc_e500_emul_tlbivax(struct kvm_vcpu *vcpu, int ra, int rb)
 	int esel, tlbsel;
 	gva_t ea;
 
-	ea = ((ra) ? vcpu->arch.gpr[ra] : 0) + vcpu->arch.gpr[rb];
+	ea = ((ra) ? kvmppc_get_gpr(vcpu, ra) : 0) + kvmppc_get_gpr(vcpu, rb);
 
 	ia = (ea >> 2) & 0x1;
 
@@ -470,7 +470,7 @@ int kvmppc_e500_emul_tlbsx(struct kvm_vcpu *vcpu, int rb)
 	struct tlbe *gtlbe = NULL;
 	gva_t ea;
 
-	ea = vcpu->arch.gpr[rb];
+	ea = kvmppc_get_gpr(vcpu, rb);
 
 	for (tlbsel = 0; tlbsel < 2; tlbsel++) {
 		esel = kvmppc_e500_tlb_index(vcpu_e500, ea, tlbsel, pid, as);
@@ -728,6 +728,12 @@ int kvmppc_e500_tlb_init(struct kvmppc_vcpu_e500 *vcpu_e500)
 	if (vcpu_e500->shadow_pages[1] == NULL)
 		goto err_out_page0;
 
+	/* Init TLB configuration register */
+	vcpu_e500->tlb0cfg = mfspr(SPRN_TLB0CFG) & ~0xfffUL;
+	vcpu_e500->tlb0cfg |= vcpu_e500->guest_tlb_size[0];
+	vcpu_e500->tlb1cfg = mfspr(SPRN_TLB1CFG) & ~0xfffUL;
+	vcpu_e500->tlb1cfg |= vcpu_e500->guest_tlb_size[1];
+
 	return 0;
 
 err_out_page0:
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c
index 4a9ac6640fad..cb72a65f4ecc 100644
--- a/arch/powerpc/kvm/emulate.c
+++ b/arch/powerpc/kvm/emulate.c
@@ -83,6 +83,9 @@ void kvmppc_emulate_dec(struct kvm_vcpu *vcpu)
 
 	pr_debug("mtDEC: %x\n", vcpu->arch.dec);
 #ifdef CONFIG_PPC64
+	/* mtdec lowers the interrupt line when positive. */
+	kvmppc_core_dequeue_dec(vcpu);
+
 	/* POWER4+ triggers a dec interrupt if the value is < 0 */
 	if (vcpu->arch.dec & 0x80000000) {
 		hrtimer_try_to_cancel(&vcpu->arch.dec_timer);
@@ -140,14 +143,18 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 
 	pr_debug(KERN_INFO "Emulating opcode %d / %d\n", get_op(inst), get_xop(inst));
 
+	/* Try again next time */
+	if (inst == KVM_INST_FETCH_FAILED)
+		return EMULATE_DONE;
+
 	switch (get_op(inst)) {
 	case OP_TRAP:
 #ifdef CONFIG_PPC64
 	case OP_TRAP_64:
+		kvmppc_core_queue_program(vcpu, SRR1_PROGTRAP);
 #else
-		vcpu->arch.esr |= ESR_PTR;
+		kvmppc_core_queue_program(vcpu, vcpu->arch.esr | ESR_PTR);
 #endif
-		kvmppc_core_queue_program(vcpu);
 		advance = 0;
 		break;
 
@@ -167,14 +174,14 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 		case OP_31_XOP_STWX:
 			rs = get_rs(inst);
 			emulated = kvmppc_handle_store(run, vcpu,
-			                               vcpu->arch.gpr[rs],
+						       kvmppc_get_gpr(vcpu, rs),
 			                               4, 1);
 			break;
 
 		case OP_31_XOP_STBX:
 			rs = get_rs(inst);
 			emulated = kvmppc_handle_store(run, vcpu,
-			                               vcpu->arch.gpr[rs],
+						       kvmppc_get_gpr(vcpu, rs),
 			                               1, 1);
 			break;
 
@@ -183,14 +190,14 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 			ra = get_ra(inst);
 			rb = get_rb(inst);
 
-			ea = vcpu->arch.gpr[rb];
+			ea = kvmppc_get_gpr(vcpu, rb);
 			if (ra)
-				ea += vcpu->arch.gpr[ra];
+				ea += kvmppc_get_gpr(vcpu, ra);
 
 			emulated = kvmppc_handle_store(run, vcpu,
-			                               vcpu->arch.gpr[rs],
+						       kvmppc_get_gpr(vcpu, rs),
 			                               1, 1);
-			vcpu->arch.gpr[rs] = ea;
+			kvmppc_set_gpr(vcpu, rs, ea);
 			break;
 
 		case OP_31_XOP_LHZX:
@@ -203,12 +210,12 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 			ra = get_ra(inst);
 			rb = get_rb(inst);
 
-			ea = vcpu->arch.gpr[rb];
+			ea = kvmppc_get_gpr(vcpu, rb);
 			if (ra)
-				ea += vcpu->arch.gpr[ra];
+				ea += kvmppc_get_gpr(vcpu, ra);
 
 			emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1);
-			vcpu->arch.gpr[ra] = ea;
+			kvmppc_set_gpr(vcpu, ra, ea);
 			break;
 
 		case OP_31_XOP_MFSPR:
@@ -217,47 +224,49 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 
 			switch (sprn) {
 			case SPRN_SRR0:
-				vcpu->arch.gpr[rt] = vcpu->arch.srr0; break;
+				kvmppc_set_gpr(vcpu, rt, vcpu->arch.srr0); break;
 			case SPRN_SRR1:
-				vcpu->arch.gpr[rt] = vcpu->arch.srr1; break;
+				kvmppc_set_gpr(vcpu, rt, vcpu->arch.srr1); break;
 			case SPRN_PVR:
-				vcpu->arch.gpr[rt] = vcpu->arch.pvr; break;
+				kvmppc_set_gpr(vcpu, rt, vcpu->arch.pvr); break;
 			case SPRN_PIR:
-				vcpu->arch.gpr[rt] = vcpu->vcpu_id; break;
+				kvmppc_set_gpr(vcpu, rt, vcpu->vcpu_id); break;
 			case SPRN_MSSSR0:
-				vcpu->arch.gpr[rt] = 0; break;
+				kvmppc_set_gpr(vcpu, rt, 0); break;
 
 			/* Note: mftb and TBRL/TBWL are user-accessible, so
 			 * the guest can always access the real TB anyways.
 			 * In fact, we probably will never see these traps. */
 			case SPRN_TBWL:
-				vcpu->arch.gpr[rt] = get_tb() >> 32; break;
+				kvmppc_set_gpr(vcpu, rt, get_tb() >> 32); break;
 			case SPRN_TBWU:
-				vcpu->arch.gpr[rt] = get_tb(); break;
+				kvmppc_set_gpr(vcpu, rt, get_tb()); break;
 
 			case SPRN_SPRG0:
-				vcpu->arch.gpr[rt] = vcpu->arch.sprg0; break;
+				kvmppc_set_gpr(vcpu, rt, vcpu->arch.sprg0); break;
 			case SPRN_SPRG1:
-				vcpu->arch.gpr[rt] = vcpu->arch.sprg1; break;
+				kvmppc_set_gpr(vcpu, rt, vcpu->arch.sprg1); break;
 			case SPRN_SPRG2:
-				vcpu->arch.gpr[rt] = vcpu->arch.sprg2; break;
+				kvmppc_set_gpr(vcpu, rt, vcpu->arch.sprg2); break;
 			case SPRN_SPRG3:
-				vcpu->arch.gpr[rt] = vcpu->arch.sprg3; break;
+				kvmppc_set_gpr(vcpu, rt, vcpu->arch.sprg3); break;
 			/* Note: SPRG4-7 are user-readable, so we don't get
 			 * a trap. */
 
 			case SPRN_DEC:
 			{
 				u64 jd = get_tb() - vcpu->arch.dec_jiffies;
-				vcpu->arch.gpr[rt] = vcpu->arch.dec - jd;
-				pr_debug(KERN_INFO "mfDEC: %x - %llx = %lx\n", vcpu->arch.dec, jd, vcpu->arch.gpr[rt]);
+				kvmppc_set_gpr(vcpu, rt, vcpu->arch.dec - jd);
+				pr_debug(KERN_INFO "mfDEC: %x - %llx = %lx\n",
+					 vcpu->arch.dec, jd,
+					 kvmppc_get_gpr(vcpu, rt));
 				break;
 			}
 			default:
 				emulated = kvmppc_core_emulate_mfspr(vcpu, sprn, rt);
 				if (emulated == EMULATE_FAIL) {
 					printk("mfspr: unknown spr %x\n", sprn);
-					vcpu->arch.gpr[rt] = 0;
+					kvmppc_set_gpr(vcpu, rt, 0);
 				}
 				break;
 			}
@@ -269,7 +278,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 			rb = get_rb(inst);
 
 			emulated = kvmppc_handle_store(run, vcpu,
-			                               vcpu->arch.gpr[rs],
+						       kvmppc_get_gpr(vcpu, rs),
 			                               2, 1);
 			break;
 
@@ -278,14 +287,14 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 			ra = get_ra(inst);
 			rb = get_rb(inst);
 
-			ea = vcpu->arch.gpr[rb];
+			ea = kvmppc_get_gpr(vcpu, rb);
 			if (ra)
-				ea += vcpu->arch.gpr[ra];
+				ea += kvmppc_get_gpr(vcpu, ra);
 
 			emulated = kvmppc_handle_store(run, vcpu,
-			                               vcpu->arch.gpr[rs],
+						       kvmppc_get_gpr(vcpu, rs),
 			                               2, 1);
-			vcpu->arch.gpr[ra] = ea;
+			kvmppc_set_gpr(vcpu, ra, ea);
 			break;
 
 		case OP_31_XOP_MTSPR:
@@ -293,9 +302,9 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 			rs = get_rs(inst);
 			switch (sprn) {
 			case SPRN_SRR0:
-				vcpu->arch.srr0 = vcpu->arch.gpr[rs]; break;
+				vcpu->arch.srr0 = kvmppc_get_gpr(vcpu, rs); break;
 			case SPRN_SRR1:
-				vcpu->arch.srr1 = vcpu->arch.gpr[rs]; break;
+				vcpu->arch.srr1 = kvmppc_get_gpr(vcpu, rs); break;
 
 			/* XXX We need to context-switch the timebase for
 			 * watchdog and FIT. */
@@ -305,18 +314,18 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 			case SPRN_MSSSR0: break;
 
 			case SPRN_DEC:
-				vcpu->arch.dec = vcpu->arch.gpr[rs];
+				vcpu->arch.dec = kvmppc_get_gpr(vcpu, rs);
 				kvmppc_emulate_dec(vcpu);
 				break;
 
 			case SPRN_SPRG0:
-				vcpu->arch.sprg0 = vcpu->arch.gpr[rs]; break;
+				vcpu->arch.sprg0 = kvmppc_get_gpr(vcpu, rs); break;
 			case SPRN_SPRG1:
-				vcpu->arch.sprg1 = vcpu->arch.gpr[rs]; break;
+				vcpu->arch.sprg1 = kvmppc_get_gpr(vcpu, rs); break;
 			case SPRN_SPRG2:
-				vcpu->arch.sprg2 = vcpu->arch.gpr[rs]; break;
+				vcpu->arch.sprg2 = kvmppc_get_gpr(vcpu, rs); break;
 			case SPRN_SPRG3:
-				vcpu->arch.sprg3 = vcpu->arch.gpr[rs]; break;
+				vcpu->arch.sprg3 = kvmppc_get_gpr(vcpu, rs); break;
 
 			default:
 				emulated = kvmppc_core_emulate_mtspr(vcpu, sprn, rs);
@@ -348,7 +357,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 			rb = get_rb(inst);
 
 			emulated = kvmppc_handle_store(run, vcpu,
-			                               vcpu->arch.gpr[rs],
+						       kvmppc_get_gpr(vcpu, rs),
 			                               4, 0);
 			break;
 
@@ -363,7 +372,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 			rb = get_rb(inst);
 
 			emulated = kvmppc_handle_store(run, vcpu,
-			                               vcpu->arch.gpr[rs],
+						       kvmppc_get_gpr(vcpu, rs),
 			                               2, 0);
 			break;
 
@@ -382,7 +391,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 		ra = get_ra(inst);
 		rt = get_rt(inst);
 		emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1);
-		vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed;
+		kvmppc_set_gpr(vcpu, ra, vcpu->arch.paddr_accessed);
 		break;
 
 	case OP_LBZ:
@@ -394,35 +403,39 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 		ra = get_ra(inst);
 		rt = get_rt(inst);
 		emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1);
-		vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed;
+		kvmppc_set_gpr(vcpu, ra, vcpu->arch.paddr_accessed);
 		break;
 
 	case OP_STW:
 		rs = get_rs(inst);
-		emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs],
+		emulated = kvmppc_handle_store(run, vcpu,
+					       kvmppc_get_gpr(vcpu, rs),
 		                               4, 1);
 		break;
 
 	case OP_STWU:
 		ra = get_ra(inst);
 		rs = get_rs(inst);
-		emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs],
+		emulated = kvmppc_handle_store(run, vcpu,
+					       kvmppc_get_gpr(vcpu, rs),
 		                               4, 1);
-		vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed;
+		kvmppc_set_gpr(vcpu, ra, vcpu->arch.paddr_accessed);
 		break;
 
 	case OP_STB:
 		rs = get_rs(inst);
-		emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs],
+		emulated = kvmppc_handle_store(run, vcpu,
+					       kvmppc_get_gpr(vcpu, rs),
 		                               1, 1);
 		break;
 
 	case OP_STBU:
 		ra = get_ra(inst);
 		rs = get_rs(inst);
-		emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs],
+		emulated = kvmppc_handle_store(run, vcpu,
+					       kvmppc_get_gpr(vcpu, rs),
 		                               1, 1);
-		vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed;
+		kvmppc_set_gpr(vcpu, ra, vcpu->arch.paddr_accessed);
 		break;
 
 	case OP_LHZ:
@@ -434,21 +447,23 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 		ra = get_ra(inst);
 		rt = get_rt(inst);
 		emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1);
-		vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed;
+		kvmppc_set_gpr(vcpu, ra, vcpu->arch.paddr_accessed);
 		break;
 
 	case OP_STH:
 		rs = get_rs(inst);
-		emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs],
+		emulated = kvmppc_handle_store(run, vcpu,
+					       kvmppc_get_gpr(vcpu, rs),
 		                               2, 1);
 		break;
 
 	case OP_STHU:
 		ra = get_ra(inst);
 		rs = get_rs(inst);
-		emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs],
+		emulated = kvmppc_handle_store(run, vcpu,
+					       kvmppc_get_gpr(vcpu, rs),
 		                               2, 1);
-		vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed;
+		kvmppc_set_gpr(vcpu, ra, vcpu->arch.paddr_accessed);
 		break;
 
 	default:
@@ -461,6 +476,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)
 			advance = 0;
 			printk(KERN_ERR "Couldn't emulate instruction 0x%08x "
 			       "(op %d xop %d)\n", inst, get_op(inst), get_xop(inst));
+			kvmppc_core_queue_program(vcpu, 0);
 		}
 	}
 
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index f06cf93b178e..51aedd7f16bc 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -137,6 +137,7 @@ void kvm_arch_destroy_vm(struct kvm *kvm)
 {
 	kvmppc_free_vcpus(kvm);
 	kvm_free_physmem(kvm);
+	cleanup_srcu_struct(&kvm->srcu);
 	kfree(kvm);
 }
 
@@ -165,14 +166,24 @@ long kvm_arch_dev_ioctl(struct file *filp,
 	return -EINVAL;
 }
 
-int kvm_arch_set_memory_region(struct kvm *kvm,
-                               struct kvm_userspace_memory_region *mem,
-                               struct kvm_memory_slot old,
-                               int user_alloc)
+int kvm_arch_prepare_memory_region(struct kvm *kvm,
+                                   struct kvm_memory_slot *memslot,
+                                   struct kvm_memory_slot old,
+                                   struct kvm_userspace_memory_region *mem,
+                                   int user_alloc)
 {
 	return 0;
 }
 
+void kvm_arch_commit_memory_region(struct kvm *kvm,
+               struct kvm_userspace_memory_region *mem,
+               struct kvm_memory_slot old,
+               int user_alloc)
+{
+       return;
+}
+
+
 void kvm_arch_flush_shadow(struct kvm *kvm)
 {
 }
@@ -260,34 +271,35 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
 static void kvmppc_complete_dcr_load(struct kvm_vcpu *vcpu,
                                      struct kvm_run *run)
 {
-	ulong *gpr = &vcpu->arch.gpr[vcpu->arch.io_gpr];
-	*gpr = run->dcr.data;
+	kvmppc_set_gpr(vcpu, vcpu->arch.io_gpr, run->dcr.data);
 }
 
 static void kvmppc_complete_mmio_load(struct kvm_vcpu *vcpu,
                                       struct kvm_run *run)
 {
-	ulong *gpr = &vcpu->arch.gpr[vcpu->arch.io_gpr];
+	ulong gpr;
 
-	if (run->mmio.len > sizeof(*gpr)) {
+	if (run->mmio.len > sizeof(gpr)) {
 		printk(KERN_ERR "bad MMIO length: %d\n", run->mmio.len);
 		return;
 	}
 
 	if (vcpu->arch.mmio_is_bigendian) {
 		switch (run->mmio.len) {
-		case 4: *gpr = *(u32 *)run->mmio.data; break;
-		case 2: *gpr = *(u16 *)run->mmio.data; break;
-		case 1: *gpr = *(u8 *)run->mmio.data; break;
+		case 4: gpr = *(u32 *)run->mmio.data; break;
+		case 2: gpr = *(u16 *)run->mmio.data; break;
+		case 1: gpr = *(u8 *)run->mmio.data; break;
 		}
 	} else {
 		/* Convert BE data from userland back to LE. */
 		switch (run->mmio.len) {
-		case 4: *gpr = ld_le32((u32 *)run->mmio.data); break;
-		case 2: *gpr = ld_le16((u16 *)run->mmio.data); break;
-		case 1: *gpr = *(u8 *)run->mmio.data; break;
+		case 4: gpr = ld_le32((u32 *)run->mmio.data); break;
+		case 2: gpr = ld_le16((u16 *)run->mmio.data); break;
+		case 1: gpr = *(u8 *)run->mmio.data; break;
 		}
 	}
+
+	kvmppc_set_gpr(vcpu, vcpu->arch.io_gpr, gpr);
 }
 
 int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index 4ec900af332f..b1dbd9ee87cc 100644
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -47,7 +47,7 @@
 #include "mmu_decl.h"
 
 #if defined(CONFIG_KERNEL_START_BOOL) || defined(CONFIG_LOWMEM_SIZE_BOOL)
-/* The ammount of lowmem must be within 0xF0000000 - KERNELBASE. */
+/* The amount of lowmem must be within 0xF0000000 - KERNELBASE. */
 #if (CONFIG_LOWMEM_SIZE > (0xF0000000 - PAGE_OFFSET))
 #error "You must adjust CONFIG_LOWMEM_SIZE or CONFIG_START_KERNEL"
 #endif
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 311224cdb7ad..448f972b22f5 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -48,6 +48,7 @@
 #include <asm/sparsemem.h>
 #include <asm/vdso.h>
 #include <asm/fixmap.h>
+#include <asm/swiotlb.h>
 
 #include "mmu_decl.h"
 
@@ -320,6 +321,11 @@ void __init mem_init(void)
 	struct page *page;
 	unsigned long reservedpages = 0, codesize, initsize, datasize, bsssize;
 
+#ifdef CONFIG_SWIOTLB
+	if (ppc_swiotlb_enable)
+		swiotlb_init(1);
+#endif
+
 	num_physpages = lmb.memory.size >> PAGE_SHIFT;
 	high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
 
diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c
index b037d95eeadc..64c00227b997 100644
--- a/arch/powerpc/mm/numa.c
+++ b/arch/powerpc/mm/numa.c
@@ -451,7 +451,7 @@ static int __cpuinit numa_setup_cpu(unsigned long lcpu)
 	nid = of_node_to_nid_single(cpu);
 
 	if (nid < 0 || !node_online(nid))
-		nid = any_online_node(NODE_MASK_ALL);
+		nid = first_online_node;
 out:
 	map_cpu_to_node(lcpu, nid);
 
@@ -1114,7 +1114,7 @@ int hot_add_scn_to_nid(unsigned long scn_addr)
 	int nid, found = 0;
 
 	if (!numa_enabled || (min_common_depth < 0))
-		return any_online_node(NODE_MASK_ALL);
+		return first_online_node;
 
 	memory = of_find_node_by_path("/ibm,dynamic-reconfiguration-memory");
 	if (memory) {
@@ -1125,7 +1125,7 @@ int hot_add_scn_to_nid(unsigned long scn_addr)
 	}
 
 	if (nid < 0 || !node_online(nid))
-		nid = any_online_node(NODE_MASK_ALL);
+		nid = first_online_node;
 
 	if (NODE_DATA(nid)->node_spanned_pages)
 		return nid;
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
index 6f8ebe1085b3..5d7cc88dae6b 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c
@@ -553,7 +553,7 @@ static ssize_t mpc52xx_wdt_write(struct file *file, const char __user *data,
 	return 0;
 }
 
-static struct watchdog_info mpc5200_wdt_info = {
+static const struct watchdog_info mpc5200_wdt_info = {
 	.options	= WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
 	.identity	= WDT_IDENTITY,
 };
@@ -711,7 +711,11 @@ static int __devinit mpc52xx_gpt_wdt_init(void)
 	return 0;
 }
 
-#define mpc52xx_gpt_wdt_setup(x, y)		(0)
+static inline int mpc52xx_gpt_wdt_setup(struct mpc52xx_gpt_priv *gpt,
+					const u32 *period)
+{
+	return 0;
+}
 
 #endif	/*  CONFIG_MPC5200_WDT	*/
 
diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
index 929d017535a3..d4f8be307cd5 100644
--- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c
@@ -481,6 +481,8 @@ mpc52xx_lpbfifo_probe(struct of_device *op, const struct of_device_id *match)
 	if (rc)
 		goto err_bcom_rx_irq;
 
+	lpbfifo.dma_irqs_enabled = 1;
+
 	/* Request the Bestcomm transmit (memory --> fifo) task and IRQ */
 	lpbfifo.bcom_tx_task =
 		bcom_gen_bd_tx_init(2, res.start + LPBFIFO_REG_FIFO_DATA,
diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
index 9d962d7c72c1..d4a09f8705b5 100644
--- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
+++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
@@ -24,7 +24,7 @@
 
 #include "pq2.h"
 
-static DEFINE_SPINLOCK(pci_pic_lock);
+static DEFINE_RAW_SPINLOCK(pci_pic_lock);
 
 struct pq2ads_pci_pic {
 	struct device_node *node;
@@ -45,12 +45,12 @@ static void pq2ads_pci_mask_irq(unsigned int virq)
 
 	if (irq != -1) {
 		unsigned long flags;
-		spin_lock_irqsave(&pci_pic_lock, flags);
+		raw_spin_lock_irqsave(&pci_pic_lock, flags);
 
 		setbits32(&priv->regs->mask, 1 << irq);
 		mb();
 
-		spin_unlock_irqrestore(&pci_pic_lock, flags);
+		raw_spin_unlock_irqrestore(&pci_pic_lock, flags);
 	}
 }
 
@@ -62,9 +62,9 @@ static void pq2ads_pci_unmask_irq(unsigned int virq)
 	if (irq != -1) {
 		unsigned long flags;
 
-		spin_lock_irqsave(&pci_pic_lock, flags);
+		raw_spin_lock_irqsave(&pci_pic_lock, flags);
 		clrbits32(&priv->regs->mask, 1 << irq);
-		spin_unlock_irqrestore(&pci_pic_lock, flags);
+		raw_spin_unlock_irqrestore(&pci_pic_lock, flags);
 	}
 }
 
diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
index 42e87f08aa01..d48527ffc425 100644
--- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
+++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
@@ -50,7 +50,7 @@ static struct socrates_fpga_irq_info fpga_irqs[SOCRATES_FPGA_NUM_IRQS] = {
 
 #define socrates_fpga_irq_to_hw(virq)    ((unsigned int)irq_map[virq].hwirq)
 
-static DEFINE_SPINLOCK(socrates_fpga_pic_lock);
+static DEFINE_RAW_SPINLOCK(socrates_fpga_pic_lock);
 
 static void __iomem *socrates_fpga_pic_iobase;
 static struct irq_host *socrates_fpga_pic_irq_host;
@@ -80,9 +80,9 @@ static inline unsigned int socrates_fpga_pic_get_irq(unsigned int irq)
 	if (i == 3)
 		return NO_IRQ;
 
-	spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+	raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
 	cause = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(i));
-	spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+	raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
 	for (i = SOCRATES_FPGA_NUM_IRQS - 1; i >= 0; i--) {
 		if (cause >> (i + 16))
 			break;
@@ -116,12 +116,12 @@ static void socrates_fpga_pic_ack(unsigned int virq)
 	hwirq = socrates_fpga_irq_to_hw(virq);
 
 	irq_line = fpga_irqs[hwirq].irq_line;
-	spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+	raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
 	mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
 		& SOCRATES_FPGA_IRQ_MASK;
 	mask |= (1 << (hwirq + 16));
 	socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
-	spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+	raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
 }
 
 static void socrates_fpga_pic_mask(unsigned int virq)
@@ -134,12 +134,12 @@ static void socrates_fpga_pic_mask(unsigned int virq)
 	hwirq = socrates_fpga_irq_to_hw(virq);
 
 	irq_line = fpga_irqs[hwirq].irq_line;
-	spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+	raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
 	mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
 		& SOCRATES_FPGA_IRQ_MASK;
 	mask &= ~(1 << hwirq);
 	socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
-	spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+	raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
 }
 
 static void socrates_fpga_pic_mask_ack(unsigned int virq)
@@ -152,13 +152,13 @@ static void socrates_fpga_pic_mask_ack(unsigned int virq)
 	hwirq = socrates_fpga_irq_to_hw(virq);
 
 	irq_line = fpga_irqs[hwirq].irq_line;
-	spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+	raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
 	mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
 		& SOCRATES_FPGA_IRQ_MASK;
 	mask &= ~(1 << hwirq);
 	mask |= (1 << (hwirq + 16));
 	socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
-	spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+	raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
 }
 
 static void socrates_fpga_pic_unmask(unsigned int virq)
@@ -171,12 +171,12 @@ static void socrates_fpga_pic_unmask(unsigned int virq)
 	hwirq = socrates_fpga_irq_to_hw(virq);
 
 	irq_line = fpga_irqs[hwirq].irq_line;
-	spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+	raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
 	mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
 		& SOCRATES_FPGA_IRQ_MASK;
 	mask |= (1 << hwirq);
 	socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
-	spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+	raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
 }
 
 static void socrates_fpga_pic_eoi(unsigned int virq)
@@ -189,12 +189,12 @@ static void socrates_fpga_pic_eoi(unsigned int virq)
 	hwirq = socrates_fpga_irq_to_hw(virq);
 
 	irq_line = fpga_irqs[hwirq].irq_line;
-	spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+	raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
 	mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
 		& SOCRATES_FPGA_IRQ_MASK;
 	mask |= (1 << (hwirq + 16));
 	socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
-	spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+	raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
 }
 
 static int socrates_fpga_pic_set_type(unsigned int virq,
@@ -220,14 +220,14 @@ static int socrates_fpga_pic_set_type(unsigned int virq,
 	default:
 		return -EINVAL;
 	}
-	spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+	raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
 	mask = socrates_fpga_pic_read(FPGA_PIC_IRQCFG);
 	if (polarity)
 		mask |= (1 << hwirq);
 	else
 		mask &= ~(1 << hwirq);
 	socrates_fpga_pic_write(FPGA_PIC_IRQCFG, mask);
-	spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+	raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
 	return 0;
 }
 
@@ -314,14 +314,14 @@ void socrates_fpga_pic_init(struct device_node *pic)
 
 	socrates_fpga_pic_iobase = of_iomap(pic, 0);
 
-	spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+	raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
 	socrates_fpga_pic_write(FPGA_PIC_IRQMASK(0),
 			SOCRATES_FPGA_IRQ_MASK << 16);
 	socrates_fpga_pic_write(FPGA_PIC_IRQMASK(1),
 			SOCRATES_FPGA_IRQ_MASK << 16);
 	socrates_fpga_pic_write(FPGA_PIC_IRQMASK(2),
 			SOCRATES_FPGA_IRQ_MASK << 16);
-	spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+	raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
 
 	pr_info("FPGA PIC: Setting up Socrates FPGA PIC\n");
 }
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig
index 2bbfd530d6d8..fbe9f3621424 100644
--- a/arch/powerpc/platforms/86xx/Kconfig
+++ b/arch/powerpc/platforms/86xx/Kconfig
@@ -33,32 +33,32 @@ config MPC8610_HPCD
 	  This option enables support for the MPC8610 HPCD board.
 
 config GEF_PPC9A
-	bool "GE Fanuc PPC9A"
+	bool "GE PPC9A"
 	select DEFAULT_UIMAGE
 	select MMIO_NVRAM
 	select GENERIC_GPIO
 	select ARCH_REQUIRE_GPIOLIB
 	help
-	  This option enables support for GE Fanuc's PPC9A.
+	  This option enables support for the GE PPC9A.
 
 config GEF_SBC310
-	bool "GE Fanuc SBC310"
+	bool "GE SBC310"
 	select DEFAULT_UIMAGE
 	select MMIO_NVRAM
 	select GENERIC_GPIO
 	select ARCH_REQUIRE_GPIOLIB
 	help
-	  This option enables support for GE Fanuc's SBC310.
+	  This option enables support for the GE SBC310.
 
 config GEF_SBC610
-	bool "GE Fanuc SBC610"
+	bool "GE SBC610"
 	select DEFAULT_UIMAGE
 	select MMIO_NVRAM
 	select GENERIC_GPIO
 	select ARCH_REQUIRE_GPIOLIB
 	select HAS_RAPIDIO
 	help
-	  This option enables support for GE Fanuc's SBC610.
+	  This option enables support for the GE SBC610.
 
 endif
 
diff --git a/arch/powerpc/platforms/86xx/gef_gpio.c b/arch/powerpc/platforms/86xx/gef_gpio.c
index b2ea8875adba..11f7b2b6f49e 100644
--- a/arch/powerpc/platforms/86xx/gef_gpio.c
+++ b/arch/powerpc/platforms/86xx/gef_gpio.c
@@ -1,9 +1,9 @@
 /*
- * Driver for GE Fanuc's FPGA based GPIO pins
+ * Driver for GE FPGA based GPIO
  *
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
+ * Author: Martyn Welch <martyn.welch@ge.com>
  *
- * 2008 (c) GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * 2008 (c) GE Intelligent Platforms Embedded Systems, Inc.
  *
  * This file is licensed under the terms of the GNU General Public License
  * version 2.  This program is licensed "as is" without any warranty of any
@@ -164,6 +164,6 @@ static int __init gef_gpio_init(void)
 };
 arch_initcall(gef_gpio_init);
 
-MODULE_DESCRIPTION("GE Fanuc I/O FPGA GPIO driver");
-MODULE_AUTHOR("Martyn Welch <martyn.welch@gefanuc.com");
+MODULE_DESCRIPTION("GE I/O FPGA GPIO driver");
+MODULE_AUTHOR("Martyn Welch <martyn.welch@ge.com");
 MODULE_LICENSE("GPL");
diff --git a/arch/powerpc/platforms/86xx/gef_pic.c b/arch/powerpc/platforms/86xx/gef_pic.c
index 0110a8736d33..6df9e2561c06 100644
--- a/arch/powerpc/platforms/86xx/gef_pic.c
+++ b/arch/powerpc/platforms/86xx/gef_pic.c
@@ -1,9 +1,9 @@
 /*
- * Interrupt handling for GE Fanuc's FPGA based PIC
+ * Interrupt handling for GE FPGA based PIC
  *
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
+ * Author: Martyn Welch <martyn.welch@ge.com>
  *
- * 2008 (c) GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * 2008 (c) GE Intelligent Platforms Embedded Systems, Inc.
  *
  * This file is licensed under the terms of the GNU General Public License
  * version 2.  This program is licensed "as is" without any warranty of any
@@ -49,7 +49,7 @@
 #define gef_irq_to_hw(virq)    ((unsigned int)irq_map[virq].hwirq)
 
 
-static DEFINE_SPINLOCK(gef_pic_lock);
+static DEFINE_RAW_SPINLOCK(gef_pic_lock);
 
 static void __iomem *gef_pic_irq_reg_base;
 static struct irq_host *gef_pic_irq_host;
@@ -118,11 +118,11 @@ static void gef_pic_mask(unsigned int virq)
 
 	hwirq = gef_irq_to_hw(virq);
 
-	spin_lock_irqsave(&gef_pic_lock, flags);
+	raw_spin_lock_irqsave(&gef_pic_lock, flags);
 	mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0));
 	mask &= ~(1 << hwirq);
 	out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask);
-	spin_unlock_irqrestore(&gef_pic_lock, flags);
+	raw_spin_unlock_irqrestore(&gef_pic_lock, flags);
 }
 
 static void gef_pic_mask_ack(unsigned int virq)
@@ -141,11 +141,11 @@ static void gef_pic_unmask(unsigned int virq)
 
 	hwirq = gef_irq_to_hw(virq);
 
-	spin_lock_irqsave(&gef_pic_lock, flags);
+	raw_spin_lock_irqsave(&gef_pic_lock, flags);
 	mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0));
 	mask |= (1 << hwirq);
 	out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask);
-	spin_unlock_irqrestore(&gef_pic_lock, flags);
+	raw_spin_unlock_irqrestore(&gef_pic_lock, flags);
 }
 
 static struct irq_chip gef_pic_chip = {
@@ -199,7 +199,7 @@ void __init gef_pic_init(struct device_node *np)
 	/* Map the devices registers into memory */
 	gef_pic_irq_reg_base = of_iomap(np, 0);
 
-	spin_lock_irqsave(&gef_pic_lock, flags);
+	raw_spin_lock_irqsave(&gef_pic_lock, flags);
 
 	/* Initialise everything as masked. */
 	out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU0_INTR_MASK, 0);
@@ -208,7 +208,7 @@ void __init gef_pic_init(struct device_node *np)
 	out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU0_MCP_MASK, 0);
 	out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU1_MCP_MASK, 0);
 
-	spin_unlock_irqrestore(&gef_pic_lock, flags);
+	raw_spin_unlock_irqrestore(&gef_pic_lock, flags);
 
 	/* Map controller */
 	gef_pic_cascade_irq = irq_of_parse_and_map(np, 0);
diff --git a/arch/powerpc/platforms/86xx/gef_ppc9a.c b/arch/powerpc/platforms/86xx/gef_ppc9a.c
index a792e5d85813..60ce07e39100 100644
--- a/arch/powerpc/platforms/86xx/gef_ppc9a.c
+++ b/arch/powerpc/platforms/86xx/gef_ppc9a.c
@@ -1,9 +1,9 @@
 /*
- * GE Fanuc PPC9A board support
+ * GE PPC9A board support
  *
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
+ * Author: Martyn Welch <martyn.welch@ge.com>
  *
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -82,7 +82,7 @@ static void __init gef_ppc9a_setup_arch(void)
 	}
 #endif
 
-	printk(KERN_INFO "GE Fanuc Intelligent Platforms PPC9A 6U VME SBC\n");
+	printk(KERN_INFO "GE Intelligent Platforms PPC9A 6U VME SBC\n");
 
 #ifdef CONFIG_SMP
 	mpc86xx_smp_init();
@@ -151,7 +151,7 @@ static void gef_ppc9a_show_cpuinfo(struct seq_file *m)
 {
 	uint svid = mfspr(SPRN_SVR);
 
-	seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n");
+	seq_printf(m, "Vendor\t\t: GE Intelligent Platforms\n");
 
 	seq_printf(m, "Revision\t: %u%c\n", gef_ppc9a_get_pcb_rev(),
 		('A' + gef_ppc9a_get_board_rev()));
@@ -235,7 +235,7 @@ static int __init declare_of_platform_devices(void)
 machine_device_initcall(gef_ppc9a, declare_of_platform_devices);
 
 define_machine(gef_ppc9a) {
-	.name			= "GE Fanuc PPC9A",
+	.name			= "GE PPC9A",
 	.probe			= gef_ppc9a_probe,
 	.setup_arch		= gef_ppc9a_setup_arch,
 	.init_IRQ		= gef_ppc9a_init_irq,
diff --git a/arch/powerpc/platforms/86xx/gef_sbc310.c b/arch/powerpc/platforms/86xx/gef_sbc310.c
index 6a1a613836c2..3ecee25bf3ed 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc310.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc310.c
@@ -1,9 +1,9 @@
 /*
- * GE Fanuc SBC310 board support
+ * GE SBC310 board support
  *
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
+ * Author: Martyn Welch <martyn.welch@ge.com>
  *
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -82,7 +82,7 @@ static void __init gef_sbc310_setup_arch(void)
 	}
 #endif
 
-	printk(KERN_INFO "GE Fanuc Intelligent Platforms SBC310 6U VPX SBC\n");
+	printk(KERN_INFO "GE Intelligent Platforms SBC310 6U VPX SBC\n");
 
 #ifdef CONFIG_SMP
 	mpc86xx_smp_init();
@@ -142,7 +142,7 @@ static void gef_sbc310_show_cpuinfo(struct seq_file *m)
 {
 	uint svid = mfspr(SPRN_SVR);
 
-	seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n");
+	seq_printf(m, "Vendor\t\t: GE Intelligent Platforms\n");
 
 	seq_printf(m, "Board ID\t: 0x%2.2x\n", gef_sbc310_get_board_id());
 	seq_printf(m, "Revision\t: %u%c\n", gef_sbc310_get_pcb_rev(),
@@ -223,7 +223,7 @@ static int __init declare_of_platform_devices(void)
 machine_device_initcall(gef_sbc310, declare_of_platform_devices);
 
 define_machine(gef_sbc310) {
-	.name			= "GE Fanuc SBC310",
+	.name			= "GE SBC310",
 	.probe			= gef_sbc310_probe,
 	.setup_arch		= gef_sbc310_setup_arch,
 	.init_IRQ		= gef_sbc310_init_irq,
diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
index e10688a0fc4e..5090d608d9ee 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc610.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc610.c
@@ -1,9 +1,9 @@
 /*
- * GE Fanuc SBC610 board support
+ * GE SBC610 board support
  *
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
+ * Author: Martyn Welch <martyn.welch@ge.com>
  *
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -82,7 +82,7 @@ static void __init gef_sbc610_setup_arch(void)
 	}
 #endif
 
-	printk(KERN_INFO "GE Fanuc Intelligent Platforms SBC610 6U VPX SBC\n");
+	printk(KERN_INFO "GE Intelligent Platforms SBC610 6U VPX SBC\n");
 
 #ifdef CONFIG_SMP
 	mpc86xx_smp_init();
@@ -133,7 +133,7 @@ static void gef_sbc610_show_cpuinfo(struct seq_file *m)
 {
 	uint svid = mfspr(SPRN_SVR);
 
-	seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n");
+	seq_printf(m, "Vendor\t\t: GE Intelligent Platforms\n");
 
 	seq_printf(m, "Revision\t: %u%c\n", gef_sbc610_get_pcb_rev(),
 		('A' + gef_sbc610_get_board_rev() - 1));
@@ -212,7 +212,7 @@ static int __init declare_of_platform_devices(void)
 machine_device_initcall(gef_sbc610, declare_of_platform_devices);
 
 define_machine(gef_sbc610) {
-	.name			= "GE Fanuc SBC610",
+	.name			= "GE SBC610",
 	.probe			= gef_sbc610_probe,
 	.setup_arch		= gef_sbc610_setup_arch,
 	.init_IRQ		= gef_sbc610_init_irq,
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index fa0f690d3867..a8aae0b54579 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -144,6 +144,16 @@ config FSL_EMB_PERFMON
 	  and some e300 cores (c3 and c4).  Select this only if your
 	  core supports the Embedded Performance Monitor APU
 
+config FSL_EMB_PERF_EVENT
+	bool
+	depends on FSL_EMB_PERFMON && PERF_EVENTS && !PPC_PERF_CTRS
+	default y
+
+config FSL_EMB_PERF_EVENT_E500
+	bool
+	depends on FSL_EMB_PERF_EVENT && E500
+	default y
+
 config 4xx
 	bool
 	depends on 40x || 44x
diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S
index 5369653dcf6a..fba5bf915073 100644
--- a/arch/powerpc/platforms/iseries/exception.S
+++ b/arch/powerpc/platforms/iseries/exception.S
@@ -43,17 +43,14 @@ system_reset_iSeries:
 	LOAD_REG_ADDR(r23, alpaca)
 	li	r0,ALPACA_SIZE
 	sub	r23,r13,r23
-	divdu	r23,r23,r0		/* r23 has cpu number */
-	LOAD_REG_ADDR(r13, paca)
-	mulli	r0,r23,PACA_SIZE
-	add	r13,r13,r0
-	mtspr	SPRN_SPRG_PACA,r13	/* Save it away for the future */
-	mfmsr	r24
-	ori	r24,r24,MSR_RI
-	mtmsrd	r24			/* RI on */
-	mr	r24,r23
+	divdu	r24,r23,r0		/* r24 has cpu number */
 	cmpwi	0,r24,0			/* Are we processor 0? */
 	bne	1f
+	LOAD_REG_ADDR(r13, boot_paca)
+	mtspr	SPRN_SPRG_PACA,r13	/* Save it away for the future */
+	mfmsr	r23
+	ori	r23,r23,MSR_RI
+	mtmsrd	r23			/* RI on */
 	b	.__start_initialization_iSeries	/* Start up the first processor */
 1:	mfspr	r4,SPRN_CTRLF
 	li	r5,CTRL_RUNLATCH	/* Turn off the run light */
@@ -86,6 +83,16 @@ system_reset_iSeries:
 #endif
 
 2:
+	/* Load our paca now that it's been allocated */
+	LOAD_REG_ADDR(r13, paca)
+	ld	r13,0(r13)
+	mulli	r0,r24,PACA_SIZE
+	add	r13,r13,r0
+	mtspr	SPRN_SPRG_PACA,r13	/* Save it away for the future */
+	mfmsr	r23
+	ori	r23,r23,MSR_RI
+	mtmsrd	r23			/* RI on */
+
 	HMT_LOW
 #ifdef CONFIG_SMP
 	lbz	r23,PACAPROCSTART(r13)	/* Test if this processor
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index d1b124e44d77..a8e1d5d17a28 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -122,44 +122,32 @@ static void pseries_mach_cpu_die(void)
 		if (!get_lppaca()->shared_proc)
 			get_lppaca()->donate_dedicated_cpu = 1;
 
-		printk(KERN_INFO
-			"cpu %u (hwid %u) ceding for offline with hint %d\n",
-			cpu, hwcpu, cede_latency_hint);
 		while (get_preferred_offline_state(cpu) == CPU_STATE_INACTIVE) {
 			extended_cede_processor(cede_latency_hint);
-			printk(KERN_INFO "cpu %u (hwid %u) returned from cede.\n",
-				cpu, hwcpu);
-			printk(KERN_INFO
-			"Decrementer value = %x Timebase value = %llx\n",
-			get_dec(), get_tb());
 		}
 
-		printk(KERN_INFO "cpu %u (hwid %u) got prodded to go online\n",
-			cpu, hwcpu);
-
 		if (!get_lppaca()->shared_proc)
 			get_lppaca()->donate_dedicated_cpu = 0;
 		get_lppaca()->idle = 0;
-	}
 
-	if (get_preferred_offline_state(cpu) == CPU_STATE_ONLINE) {
-		unregister_slb_shadow(hwcpu, __pa(get_slb_shadow()));
+		if (get_preferred_offline_state(cpu) == CPU_STATE_ONLINE) {
+			unregister_slb_shadow(hwcpu, __pa(get_slb_shadow()));
 
-		/*
-		 * NOTE: Calling start_secondary() here for now to
-		 * start new context.
-		 * However, need to do it cleanly by resetting the
-		 * stack pointer.
-		 */
-		start_secondary();
+			/*
+			 * Call to start_secondary_resume() will not return.
+			 * Kernel stack will be reset and start_secondary()
+			 * will be called to continue the online operation.
+			 */
+			start_secondary_resume();
+		}
+	}
 
-	} else if (get_preferred_offline_state(cpu) == CPU_STATE_OFFLINE) {
+	/* Requested state is CPU_STATE_OFFLINE at this point */
+	WARN_ON(get_preferred_offline_state(cpu) != CPU_STATE_OFFLINE);
 
-		set_cpu_current_state(cpu, CPU_STATE_OFFLINE);
-		unregister_slb_shadow(hard_smp_processor_id(),
-					__pa(get_slb_shadow()));
-		rtas_stop_self();
-	}
+	set_cpu_current_state(cpu, CPU_STATE_OFFLINE);
+	unregister_slb_shadow(hwcpu, __pa(get_slb_shadow()));
+	rtas_stop_self();
 
 	/* Should never get here... */
 	BUG();
diff --git a/arch/powerpc/platforms/pseries/offline_states.h b/arch/powerpc/platforms/pseries/offline_states.h
index 22574e0d9d91..75a6f480d931 100644
--- a/arch/powerpc/platforms/pseries/offline_states.h
+++ b/arch/powerpc/platforms/pseries/offline_states.h
@@ -9,10 +9,31 @@ enum cpu_state_vals {
 	CPU_MAX_OFFLINE_STATES
 };
 
+#ifdef CONFIG_HOTPLUG_CPU
 extern enum cpu_state_vals get_cpu_current_state(int cpu);
 extern void set_cpu_current_state(int cpu, enum cpu_state_vals state);
-extern enum cpu_state_vals get_preferred_offline_state(int cpu);
 extern void set_preferred_offline_state(int cpu, enum cpu_state_vals state);
 extern void set_default_offline_state(int cpu);
+#else
+static inline enum cpu_state_vals get_cpu_current_state(int cpu)
+{
+	return CPU_STATE_ONLINE;
+}
+
+static inline void set_cpu_current_state(int cpu, enum cpu_state_vals state)
+{
+}
+
+static inline void set_preferred_offline_state(int cpu, enum cpu_state_vals state)
+{
+}
+
+static inline void set_default_offline_state(int cpu)
+{
+}
+#endif
+
+extern enum cpu_state_vals get_preferred_offline_state(int cpu);
 extern int start_secondary(void);
+extern void start_secondary_resume(void);
 #endif
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index 0603c91538ae..a05f8d427856 100644
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -259,12 +259,12 @@ static inline long plpar_ipi(unsigned long servernum, unsigned long mfrr)
 	return plpar_hcall_norets(H_IPI, servernum, mfrr);
 }
 
-static inline long plpar_xirr(unsigned long *xirr_ret)
+static inline long plpar_xirr(unsigned long *xirr_ret, unsigned char cppr)
 {
 	long rc;
 	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
 
-	rc = plpar_hcall(H_XIRR, retbuf);
+	rc = plpar_hcall(H_XIRR, retbuf, cppr);
 
 	*xirr_ret = retbuf[0];
 
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 4ca641042ec3..1bcedd8b4616 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -120,12 +120,12 @@ static inline void direct_qirr_info(int n_cpu, u8 value)
 
 /* LPAR low level accessors */
 
-static inline unsigned int lpar_xirr_info_get(void)
+static inline unsigned int lpar_xirr_info_get(unsigned char cppr)
 {
 	unsigned long lpar_rc;
 	unsigned long return_value;
 
-	lpar_rc = plpar_xirr(&return_value);
+	lpar_rc = plpar_xirr(&return_value, cppr);
 	if (lpar_rc != H_SUCCESS)
 		panic(" bad return code xirr - rc = %lx\n", lpar_rc);
 	return (unsigned int)return_value;
@@ -331,7 +331,8 @@ static unsigned int xics_get_irq_direct(void)
 
 static unsigned int xics_get_irq_lpar(void)
 {
-	unsigned int xirr = lpar_xirr_info_get();
+	struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr);
+	unsigned int xirr = lpar_xirr_info_get(os_cppr->stack[os_cppr->index]);
 	unsigned int vec = xics_xirr_vector(xirr);
 	unsigned int irq;
 
diff --git a/arch/powerpc/sysdev/cpm2_pic.h b/arch/powerpc/sysdev/cpm2_pic.h
index 30e5828a2781..2c5f70c24485 100644
--- a/arch/powerpc/sysdev/cpm2_pic.h
+++ b/arch/powerpc/sysdev/cpm2_pic.h
@@ -3,6 +3,6 @@
 
 extern unsigned int cpm2_get_irq(void);
 
-extern void cpm2_pic_init(struct device_node*);
+extern void cpm2_pic_init(struct device_node *);
 
 #endif /* _PPC_KERNEL_CPM2_H */
diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c
index d927da893ec4..541ba9863647 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_ic.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c
@@ -33,7 +33,7 @@
 
 #include "qe_ic.h"
 
-static DEFINE_SPINLOCK(qe_ic_lock);
+static DEFINE_RAW_SPINLOCK(qe_ic_lock);
 
 static struct qe_ic_info qe_ic_info[] = {
 	[1] = {
@@ -201,13 +201,13 @@ static void qe_ic_unmask_irq(unsigned int virq)
 	unsigned long flags;
 	u32 temp;
 
-	spin_lock_irqsave(&qe_ic_lock, flags);
+	raw_spin_lock_irqsave(&qe_ic_lock, flags);
 
 	temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].mask_reg);
 	qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg,
 		    temp | qe_ic_info[src].mask);
 
-	spin_unlock_irqrestore(&qe_ic_lock, flags);
+	raw_spin_unlock_irqrestore(&qe_ic_lock, flags);
 }
 
 static void qe_ic_mask_irq(unsigned int virq)
@@ -217,7 +217,7 @@ static void qe_ic_mask_irq(unsigned int virq)
 	unsigned long flags;
 	u32 temp;
 
-	spin_lock_irqsave(&qe_ic_lock, flags);
+	raw_spin_lock_irqsave(&qe_ic_lock, flags);
 
 	temp = qe_ic_read(qe_ic->regs, qe_ic_info[src].mask_reg);
 	qe_ic_write(qe_ic->regs, qe_ic_info[src].mask_reg,
@@ -233,7 +233,7 @@ static void qe_ic_mask_irq(unsigned int virq)
 	 */
 	mb();
 
-	spin_unlock_irqrestore(&qe_ic_lock, flags);
+	raw_spin_unlock_irqrestore(&qe_ic_lock, flags);
 }
 
 static struct irq_chip qe_ic_irq_chip = {
diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c
index a97d69525829..14e0479d3888 100644
--- a/arch/s390/boot/compressed/misc.c
+++ b/arch/s390/boot/compressed/misc.c
@@ -24,8 +24,8 @@
 /* Symbols defined by linker scripts */
 extern char input_data[];
 extern int input_len;
-extern int _text;
-extern int _end;
+extern char _text, _end;
+extern char _bss, _ebss;
 
 static void error(char *m);
 
@@ -129,12 +129,12 @@ unsigned long decompress_kernel(void)
 	unsigned long output_addr;
 	unsigned char *output;
 
+	check_ipl_parmblock((void *) 0, (unsigned long) output + SZ__bss_start);
+	memset(&_bss, 0, &_ebss - &_bss);
 	free_mem_ptr = (unsigned long)&_end;
 	free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
 	output = (unsigned char *) ((free_mem_end_ptr + 4095UL) & -4096UL);
 
-	check_ipl_parmblock((void *) 0, (unsigned long) output + SZ__bss_start);
-
 #ifdef CONFIG_BLK_DEV_INITRD
 	/*
 	 * Move the initrd right behind the end of the decompressed
diff --git a/arch/s390/crypto/sha_common.c b/arch/s390/crypto/sha_common.c
index 7903ec47e6b9..f42dbabc0d30 100644
--- a/arch/s390/crypto/sha_common.c
+++ b/arch/s390/crypto/sha_common.c
@@ -79,7 +79,7 @@ int s390_sha_final(struct shash_desc *desc, u8 *out)
 	memset(ctx->buf + index, 0x00, end - index - 8);
 
 	/*
-	 * Append message length. Well, SHA-512 wants a 128 bit lenght value,
+	 * Append message length. Well, SHA-512 wants a 128 bit length value,
 	 * nevertheless we use u64, should be enough for now...
 	 */
 	bits = ctx->count * 8;
diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c
index 341aff2687a5..cd128b07beda 100644
--- a/arch/s390/hypfs/inode.c
+++ b/arch/s390/hypfs/inode.c
@@ -288,46 +288,30 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
 	sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
 	sb->s_magic = HYPFS_MAGIC;
 	sb->s_op = &hypfs_s_ops;
-	if (hypfs_parse_options(data, sb)) {
-		rc = -EINVAL;
-		goto err_alloc;
-	}
+	if (hypfs_parse_options(data, sb))
+		return -EINVAL;
 	root_inode = hypfs_make_inode(sb, S_IFDIR | 0755);
-	if (!root_inode) {
-		rc = -ENOMEM;
-		goto err_alloc;
-	}
+	if (!root_inode)
+		return -ENOMEM;
 	root_inode->i_op = &simple_dir_inode_operations;
 	root_inode->i_fop = &simple_dir_operations;
-	root_dentry = d_alloc_root(root_inode);
+	sb->s_root = root_dentry = d_alloc_root(root_inode);
 	if (!root_dentry) {
 		iput(root_inode);
-		rc = -ENOMEM;
-		goto err_alloc;
+		return -ENOMEM;
 	}
 	if (MACHINE_IS_VM)
 		rc = hypfs_vm_create_files(sb, root_dentry);
 	else
 		rc = hypfs_diag_create_files(sb, root_dentry);
 	if (rc)
-		goto err_tree;
+		return rc;
 	sbi->update_file = hypfs_create_update_file(sb, root_dentry);
-	if (IS_ERR(sbi->update_file)) {
-		rc = PTR_ERR(sbi->update_file);
-		goto err_tree;
-	}
+	if (IS_ERR(sbi->update_file))
+		return PTR_ERR(sbi->update_file);
 	hypfs_update_update(sb);
-	sb->s_root = root_dentry;
 	pr_info("Hypervisor filesystem mounted\n");
 	return 0;
-
-err_tree:
-	hypfs_delete_tree(root_dentry);
-	d_genocide(root_dentry);
-	dput(root_dentry);
-err_alloc:
-	kfree(sbi);
-	return rc;
 }
 
 static int hypfs_get_super(struct file_system_type *fst, int flags,
@@ -340,12 +324,12 @@ static void hypfs_kill_super(struct super_block *sb)
 {
 	struct hypfs_sb_info *sb_info = sb->s_fs_info;
 
-	if (sb->s_root) {
+	if (sb->s_root)
 		hypfs_delete_tree(sb->s_root);
+	if (sb_info->update_file)
 		hypfs_remove(sb_info->update_file);
-		kfree(sb->s_fs_info);
-		sb->s_fs_info = NULL;
-	}
+	kfree(sb->s_fs_info);
+	sb->s_fs_info = NULL;
 	kill_litter_super(sb);
 }
 
diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h
index e85679af54dd..e34347d567a6 100644
--- a/arch/s390/include/asm/cio.h
+++ b/arch/s390/include/asm/cio.h
@@ -20,7 +20,7 @@
 /**
  * struct ccw1 - channel command word
  * @cmd_code: command code
- * @flags: flags, like IDA adressing, etc.
+ * @flags: flags, like IDA addressing, etc.
  * @count: byte count
  * @cda: data address
  *
diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h
index 01a08020bc0e..104f2007f097 100644
--- a/arch/s390/include/asm/compat.h
+++ b/arch/s390/include/asm/compat.h
@@ -35,7 +35,8 @@
 
 extern long psw32_user_bits;
 
-#define COMPAT_USER_HZ	100
+#define COMPAT_USER_HZ		100
+#define COMPAT_UTS_MACHINE	"s390\0\0\0\0"
 
 typedef u32		compat_size_t;
 typedef s32		compat_ssize_t;
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index dd2d913afcae..fef9b33cdd59 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -489,9 +489,6 @@ struct user_regs_struct
  * These are defined as per linux/ptrace.h, which see.
  */
 #define arch_has_single_step()	(1)
-struct task_struct;
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
 extern void show_regs(struct pt_regs * regs);
 
 #define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0)
diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
index c666bfe5e984..9b04b1102bbc 100644
--- a/arch/s390/include/asm/qdio.h
+++ b/arch/s390/include/asm/qdio.h
@@ -321,11 +321,6 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int,
 #define QDIO_ERROR_ACTIVATE_CHECK_CONDITION	0x40
 #define QDIO_ERROR_SLSB_STATE			0x80
 
-/* for qdio_initialize */
-#define QDIO_INBOUND_0COPY_SBALS		0x01
-#define QDIO_OUTBOUND_0COPY_SBALS		0x02
-#define QDIO_USE_OUTBOUND_PCIS			0x04
-
 /* for qdio_cleanup */
 #define QDIO_FLAG_CLEANUP_USING_CLEAR		0x01
 #define QDIO_FLAG_CLEANUP_USING_HALT		0x02
@@ -344,7 +339,6 @@ typedef void qdio_handler_t(struct ccw_device *, unsigned int, int,
  * @input_handler: handler to be called for input queues
  * @output_handler: handler to be called for output queues
  * @int_parm: interruption parameter
- * @flags: initialization flags
  * @input_sbal_addr_array:  address of no_input_qs * 128 pointers
  * @output_sbal_addr_array: address of no_output_qs * 128 pointers
  */
@@ -361,7 +355,6 @@ struct qdio_initialize {
 	qdio_handler_t *input_handler;
 	qdio_handler_t *output_handler;
 	unsigned long int_parm;
-	unsigned long flags;
 	void **input_sbal_addr_array;
 	void **output_sbal_addr_array;
 };
diff --git a/arch/s390/include/asm/system.h b/arch/s390/include/asm/system.h
index 67ee6c3c6bb3..1741c1556a4e 100644
--- a/arch/s390/include/asm/system.h
+++ b/arch/s390/include/asm/system.h
@@ -110,6 +110,7 @@ extern void pfault_fini(void);
 #endif /* CONFIG_PFAULT */
 
 extern void cmma_init(void);
+extern int memcpy_real(void *, void *, size_t);
 
 #define finish_arch_switch(prev) do {					     \
 	set_fs(current->thread.mm_segment);				     \
@@ -218,8 +219,8 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 			"	l	%0,%2\n"
 			"0:	nr	%0,%5\n"
 			"	lr	%1,%0\n"
-			"	or	%0,%2\n"
-			"	or	%1,%3\n"
+			"	or	%0,%3\n"
+			"	or	%1,%4\n"
 			"	cs	%0,%1,%2\n"
 			"	jnl	1f\n"
 			"	xr	%1,%0\n"
@@ -239,8 +240,8 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 			"	l	%0,%2\n"
 			"0:	nr	%0,%5\n"
 			"	lr	%1,%0\n"
-			"	or	%0,%2\n"
-			"	or	%1,%3\n"
+			"	or	%0,%3\n"
+			"	or	%1,%4\n"
 			"	cs	%0,%1,%2\n"
 			"	jnl	1f\n"
 			"	xr	%1,%0\n"
diff --git a/arch/s390/include/asm/unistd.h b/arch/s390/include/asm/unistd.h
index 6e9f049fa823..5f0075150a65 100644
--- a/arch/s390/include/asm/unistd.h
+++ b/arch/s390/include/asm/unistd.h
@@ -392,6 +392,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_MMAP
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 30de2d0e52bb..672ce52341b4 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -547,7 +547,7 @@ sys32_setdomainname_wrapper:
 	.globl	sys32_newuname_wrapper
 sys32_newuname_wrapper:
 	llgtr	%r2,%r2			# struct new_utsname *
-	jg	sys_s390_newuname	# branch to system call
+	jg	sys_newuname		# branch to system call
 
 	.globl	compat_sys_adjtimex_wrapper
 compat_sys_adjtimex_wrapper:
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h
index e1e5e767ab56..eb15c12ec158 100644
--- a/arch/s390/kernel/entry.h
+++ b/arch/s390/kernel/entry.h
@@ -24,17 +24,13 @@ int __cpuinit start_secondary(void *cpuvoid);
 void __init startup_init(void);
 void die(const char * str, struct pt_regs * regs, long err);
 
-struct new_utsname;
-struct mmap_arg_struct;
+struct s390_mmap_arg_struct;
 struct fadvise64_64_args;
 struct old_sigaction;
-struct sel_arg_struct;
 
-long sys_mmap2(struct mmap_arg_struct __user  *arg);
-long sys_s390_old_mmap(struct mmap_arg_struct __user *arg);
-long sys_ipc(uint call, int first, unsigned long second,
+long sys_mmap2(struct s390_mmap_arg_struct __user  *arg);
+long sys_s390_ipc(uint call, int first, unsigned long second,
 	     unsigned long third, void __user *ptr);
-long sys_s390_newuname(struct new_utsname __user *name);
 long sys_s390_personality(unsigned long personality);
 long sys_s390_fadvise64(int fd, u32 offset_high, u32 offset_low,
 		    size_t len, int advice);
diff --git a/arch/s390/kernel/head.S b/arch/s390/kernel/head.S
index ca4a62bd862f..9d1f76702d47 100644
--- a/arch/s390/kernel/head.S
+++ b/arch/s390/kernel/head.S
@@ -517,7 +517,10 @@ startup:
 	lhi	%r1,2			# mode 2 = esame (dump)
 	sigp	%r1,%r0,0x12		# switch to esame mode
 	sam64				# switch to 64 bit mode
+	larl	%r13,4f
+	lmh	%r0,%r15,0(%r13)	# clear high-order half
 	jg	startup_continue
+4:	.fill	16,4,0x0
 #else
 	mvi	__LC_AR_MODE_ID,0	# set ESA flag (mode 0)
 	l	%r13,4f-.LPG0(%r13)
diff --git a/arch/s390/kernel/head64.S b/arch/s390/kernel/head64.S
index 39580e768658..1f70970de0aa 100644
--- a/arch/s390/kernel/head64.S
+++ b/arch/s390/kernel/head64.S
@@ -21,7 +21,6 @@ startup_continue:
 	larl	%r1,sched_clock_base_cc
 	mvc	0(8,%r1),__LC_LAST_UPDATE_CLOCK
 	larl	%r13,.LPG1		# get base
-	lmh	%r0,%r15,.Lzero64-.LPG1(%r13)	# clear high-order half
 	lctlg	%c0,%c15,.Lctl-.LPG1(%r13)	# load control registers
 	lg	%r12,.Lparmaddr-.LPG1(%r13)	# pointer to parameter area
 					# move IPL device to lowcore
@@ -67,7 +66,6 @@ startup_continue:
 .L4malign:.quad 0xffffffffffc00000
 .Lscan2g:.quad	0x80000000 + 0x20000 - 8	# 2GB + 128K - 8
 .Lnop:	.long	0x07000700
-.Lzero64:.fill	16,4,0x0
 .Lparmaddr:
 	.quad	PARMAREA
 	.align	64
diff --git a/arch/s390/kernel/sclp.S b/arch/s390/kernel/sclp.S
index 27af3bf3a009..2e82fdd89320 100644
--- a/arch/s390/kernel/sclp.S
+++ b/arch/s390/kernel/sclp.S
@@ -235,7 +235,7 @@ _sclp_print:
 	lh	%r9,0(%r8)			# update sccb length
 	ar	%r9,%r6
 	sth	%r9,0(%r8)
-	ar	%r7,%r6				# update current mto adress
+	ar	%r7,%r6				# update current mto address
 	ltr	%r0,%r0				# more characters?
 	jnz	.LinitmtoS4
 	l	%r2,.LwritedataS4-.LbaseS4(%r13)# write data
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 77a63ae419f0..ba363d99de43 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -401,7 +401,7 @@ setup_lowcore(void)
 	 * Setup lowcore for boot cpu
 	 */
 	BUILD_BUG_ON(sizeof(struct _lowcore) != LC_PAGES * 4096);
-	lc = __alloc_bootmem(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0);
+	lc = __alloc_bootmem_low(LC_PAGES * PAGE_SIZE, LC_PAGES * PAGE_SIZE, 0);
 	lc->restart_psw.mask = PSW_BASE_BITS | PSW_DEFAULT_KEY;
 	lc->restart_psw.addr =
 		PSW_ADDR_AMODE | (unsigned long) restart_int_handler;
@@ -433,7 +433,7 @@ setup_lowcore(void)
 #ifndef CONFIG_64BIT
 	if (MACHINE_HAS_IEEE) {
 		lc->extended_save_area_addr = (__u32)
-			__alloc_bootmem(PAGE_SIZE, PAGE_SIZE, 0);
+			__alloc_bootmem_low(PAGE_SIZE, PAGE_SIZE, 0);
 		/* enable extended save area */
 		__ctl_set_bit(14, 29);
 	}
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 8b10127c00ad..d7d24fc3d6b7 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -292,9 +292,9 @@ static void __init smp_get_save_area(unsigned int cpu, unsigned int phy_cpu)
 	zfcpdump_save_areas[cpu] = kmalloc(sizeof(struct save_area), GFP_KERNEL);
 	while (raw_sigp(phy_cpu, sigp_stop_and_store_status) == sigp_busy)
 		cpu_relax();
-	memcpy(zfcpdump_save_areas[cpu],
-	       (void *)(unsigned long) store_prefix() + SAVE_AREA_BASE,
-	       sizeof(struct save_area));
+	memcpy_real(zfcpdump_save_areas[cpu],
+		    (void *)(unsigned long) store_prefix() + SAVE_AREA_BASE,
+		    sizeof(struct save_area));
 }
 
 struct save_area *zfcpdump_save_areas[NR_CPUS + 1];
@@ -1020,7 +1020,9 @@ out:
 	return rc;
 }
 
-static ssize_t __ref rescan_store(struct sysdev_class *class, const char *buf,
+static ssize_t __ref rescan_store(struct sysdev_class *class,
+				  struct sysdev_class_attribute *attr,
+				  const char *buf,
 				  size_t count)
 {
 	int rc;
@@ -1031,7 +1033,9 @@ static ssize_t __ref rescan_store(struct sysdev_class *class, const char *buf,
 static SYSDEV_CLASS_ATTR(rescan, 0200, NULL, rescan_store);
 #endif /* CONFIG_HOTPLUG_CPU */
 
-static ssize_t dispatching_show(struct sysdev_class *class, char *buf)
+static ssize_t dispatching_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	ssize_t count;
 
@@ -1041,7 +1045,9 @@ static ssize_t dispatching_show(struct sysdev_class *class, char *buf)
 	return count;
 }
 
-static ssize_t dispatching_store(struct sysdev_class *dev, const char *buf,
+static ssize_t dispatching_store(struct sysdev_class *dev,
+				 struct sysdev_class_attribute *attr,
+				 const char *buf,
 				 size_t count)
 {
 	int val, rc;
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index 86a74c9c9e63..7b6b0f81a283 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -33,13 +33,12 @@
 #include "entry.h"
 
 /*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux for S/390 isn't able to handle more than 5
- * system call parameters, so these system calls used a memory
- * block for parameter passing..
+ * Perform the mmap() system call. Linux for S/390 isn't able to handle more
+ * than 5 system call parameters, so this system call uses a memory block
+ * for parameter passing.
  */
 
-struct mmap_arg_struct {
+struct s390_mmap_arg_struct {
 	unsigned long addr;
 	unsigned long len;
 	unsigned long prot;
@@ -48,9 +47,9 @@ struct mmap_arg_struct {
 	unsigned long offset;
 };
 
-SYSCALL_DEFINE1(mmap2, struct mmap_arg_struct __user *, arg)
+SYSCALL_DEFINE1(mmap2, struct s390_mmap_arg_struct __user *, arg)
 {
-	struct mmap_arg_struct a;
+	struct s390_mmap_arg_struct a;
 	int error = -EFAULT;
 
 	if (copy_from_user(&a, arg, sizeof(a)))
@@ -60,29 +59,12 @@ out:
 	return error;
 }
 
-SYSCALL_DEFINE1(s390_old_mmap, struct mmap_arg_struct __user *, arg)
-{
-	struct mmap_arg_struct a;
-	long error = -EFAULT;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		goto out;
-
-	error = -EINVAL;
-	if (a.offset & ~PAGE_MASK)
-		goto out;
-
-	error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
-out:
-	return error;
-}
-
 /*
  * sys_ipc() is the de-multiplexer for the SysV IPC calls..
  *
  * This is really horribly ugly.
  */
-SYSCALL_DEFINE5(ipc, uint, call, int, first, unsigned long, second,
+SYSCALL_DEFINE5(s390_ipc, uint, call, int, first, unsigned long, second,
 		unsigned long, third, void __user *, ptr)
 {
         struct ipc_kludge tmp;
@@ -149,17 +131,6 @@ SYSCALL_DEFINE5(ipc, uint, call, int, first, unsigned long, second,
 }
 
 #ifdef CONFIG_64BIT
-SYSCALL_DEFINE1(s390_newuname, struct new_utsname __user *, name)
-{
-	int ret = sys_newuname(name);
-
-	if (personality(current->personality) == PER_LINUX32 && !ret) {
-		ret = copy_to_user(name->machine, "s390\0\0\0\0", 8);
-		if (ret) ret = -EFAULT;
-	}
-	return ret;
-}
-
 SYSCALL_DEFINE1(s390_personality, unsigned long, personality)
 {
 	int ret;
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 30eca070d426..201ce6bed34e 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -98,7 +98,7 @@ SYSCALL(sys_uselib,sys_uselib,sys32_uselib_wrapper)
 SYSCALL(sys_swapon,sys_swapon,sys32_swapon_wrapper)
 SYSCALL(sys_reboot,sys_reboot,sys32_reboot_wrapper)
 SYSCALL(sys_ni_syscall,sys_ni_syscall,old32_readdir_wrapper)	/* old readdir syscall */
-SYSCALL(sys_s390_old_mmap,sys_s390_old_mmap,old32_mmap_wrapper)	/* 90 */
+SYSCALL(sys_old_mmap,sys_old_mmap,old32_mmap_wrapper)		/* 90 */
 SYSCALL(sys_munmap,sys_munmap,sys32_munmap_wrapper)
 SYSCALL(sys_truncate,sys_truncate,sys32_truncate_wrapper)
 SYSCALL(sys_ftruncate,sys_ftruncate,sys32_ftruncate_wrapper)
@@ -125,12 +125,12 @@ NI_SYSCALL							/* vm86old for i386 */
 SYSCALL(sys_wait4,sys_wait4,compat_sys_wait4_wrapper)
 SYSCALL(sys_swapoff,sys_swapoff,sys32_swapoff_wrapper)		/* 115 */
 SYSCALL(sys_sysinfo,sys_sysinfo,compat_sys_sysinfo_wrapper)
-SYSCALL(sys_ipc,sys_ipc,sys32_ipc_wrapper)
+SYSCALL(sys_s390_ipc,sys_s390_ipc,sys32_ipc_wrapper)
 SYSCALL(sys_fsync,sys_fsync,sys32_fsync_wrapper)
 SYSCALL(sys_sigreturn,sys_sigreturn,sys32_sigreturn)
 SYSCALL(sys_clone,sys_clone,sys_clone_wrapper)			/* 120 */
 SYSCALL(sys_setdomainname,sys_setdomainname,sys32_setdomainname_wrapper)
-SYSCALL(sys_newuname,sys_s390_newuname,sys32_newuname_wrapper)
+SYSCALL(sys_newuname,sys_newuname,sys32_newuname_wrapper)
 NI_SYSCALL							/* modify_ldt for i386 */
 SYSCALL(sys_adjtimex,sys_adjtimex,compat_sys_adjtimex_wrapper)
 SYSCALL(sys_mprotect,sys_mprotect,sys32_mprotect_wrapper)	/* 125 */
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index a8f93f1705ad..aa2483e460f3 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -73,15 +73,15 @@ unsigned long long monotonic_clock(void)
 }
 EXPORT_SYMBOL(monotonic_clock);
 
-void tod_to_timeval(__u64 todval, struct timespec *xtime)
+void tod_to_timeval(__u64 todval, struct timespec *xt)
 {
 	unsigned long long sec;
 
 	sec = todval >> 12;
 	do_div(sec, 1000000);
-	xtime->tv_sec = sec;
+	xt->tv_sec = sec;
 	todval -= (sec * 1000000) << 12;
-	xtime->tv_nsec = ((todval * 1000) >> 12);
+	xt->tv_nsec = ((todval * 1000) >> 12);
 }
 EXPORT_SYMBOL(tod_to_timeval);
 
@@ -216,8 +216,8 @@ void update_vsyscall(struct timespec *wall_time, struct clocksource *clock,
 	++vdso_data->tb_update_count;
 	smp_wmb();
 	vdso_data->xtime_tod_stamp = clock->cycle_last;
-	vdso_data->xtime_clock_sec = xtime.tv_sec;
-	vdso_data->xtime_clock_nsec = xtime.tv_nsec;
+	vdso_data->xtime_clock_sec = wall_time->tv_sec;
+	vdso_data->xtime_clock_nsec = wall_time->tv_nsec;
 	vdso_data->wtom_clock_sec = wall_to_monotonic.tv_sec;
 	vdso_data->wtom_clock_nsec = wall_to_monotonic.tv_nsec;
 	smp_wmb();
@@ -1116,14 +1116,18 @@ static struct sys_device etr_port1_dev = {
 /*
  * ETR class attributes
  */
-static ssize_t etr_stepping_port_show(struct sysdev_class *class, char *buf)
+static ssize_t etr_stepping_port_show(struct sysdev_class *class,
+					struct sysdev_class_attribute *attr,
+					char *buf)
 {
 	return sprintf(buf, "%i\n", etr_port0.esw.p);
 }
 
 static SYSDEV_CLASS_ATTR(stepping_port, 0400, etr_stepping_port_show, NULL);
 
-static ssize_t etr_stepping_mode_show(struct sysdev_class *class, char *buf)
+static ssize_t etr_stepping_mode_show(struct sysdev_class *class,
+				      	struct sysdev_class_attribute *attr,
+					char *buf)
 {
 	char *mode_str;
 
@@ -1584,7 +1588,9 @@ static struct sysdev_class stp_sysclass = {
 	.name	= "stp",
 };
 
-static ssize_t stp_ctn_id_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_ctn_id_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online)
 		return -ENODATA;
@@ -1594,7 +1600,9 @@ static ssize_t stp_ctn_id_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(ctn_id, 0400, stp_ctn_id_show, NULL);
 
-static ssize_t stp_ctn_type_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_ctn_type_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online)
 		return -ENODATA;
@@ -1603,7 +1611,9 @@ static ssize_t stp_ctn_type_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(ctn_type, 0400, stp_ctn_type_show, NULL);
 
-static ssize_t stp_dst_offset_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_dst_offset_show(struct sysdev_class *class,
+				   struct sysdev_class_attribute *attr,
+				   char *buf)
 {
 	if (!stp_online || !(stp_info.vbits & 0x2000))
 		return -ENODATA;
@@ -1612,7 +1622,9 @@ static ssize_t stp_dst_offset_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(dst_offset, 0400, stp_dst_offset_show, NULL);
 
-static ssize_t stp_leap_seconds_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_leap_seconds_show(struct sysdev_class *class,
+					struct sysdev_class_attribute *attr,
+					char *buf)
 {
 	if (!stp_online || !(stp_info.vbits & 0x8000))
 		return -ENODATA;
@@ -1621,7 +1633,9 @@ static ssize_t stp_leap_seconds_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(leap_seconds, 0400, stp_leap_seconds_show, NULL);
 
-static ssize_t stp_stratum_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_stratum_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online)
 		return -ENODATA;
@@ -1630,7 +1644,9 @@ static ssize_t stp_stratum_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(stratum, 0400, stp_stratum_show, NULL);
 
-static ssize_t stp_time_offset_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_time_offset_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online || !(stp_info.vbits & 0x0800))
 		return -ENODATA;
@@ -1639,7 +1655,9 @@ static ssize_t stp_time_offset_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(time_offset, 0400, stp_time_offset_show, NULL);
 
-static ssize_t stp_time_zone_offset_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_time_zone_offset_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online || !(stp_info.vbits & 0x4000))
 		return -ENODATA;
@@ -1649,7 +1667,9 @@ static ssize_t stp_time_zone_offset_show(struct sysdev_class *class, char *buf)
 static SYSDEV_CLASS_ATTR(time_zone_offset, 0400,
 			 stp_time_zone_offset_show, NULL);
 
-static ssize_t stp_timing_mode_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_timing_mode_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online)
 		return -ENODATA;
@@ -1658,7 +1678,9 @@ static ssize_t stp_timing_mode_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(timing_mode, 0400, stp_timing_mode_show, NULL);
 
-static ssize_t stp_timing_state_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_timing_state_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	if (!stp_online)
 		return -ENODATA;
@@ -1667,12 +1689,15 @@ static ssize_t stp_timing_state_show(struct sysdev_class *class, char *buf)
 
 static SYSDEV_CLASS_ATTR(timing_state, 0400, stp_timing_state_show, NULL);
 
-static ssize_t stp_online_show(struct sysdev_class *class, char *buf)
+static ssize_t stp_online_show(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
+				char *buf)
 {
 	return sprintf(buf, "%i\n", stp_online);
 }
 
 static ssize_t stp_online_store(struct sysdev_class *class,
+				struct sysdev_class_attribute *attr,
 				const char *buf, size_t count)
 {
 	unsigned int value;
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 3fa0a10e4668..49292869a5cd 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -242,6 +242,7 @@ void kvm_arch_destroy_vm(struct kvm *kvm)
 	kvm_free_physmem(kvm);
 	free_page((unsigned long)(kvm->arch.sca));
 	debug_unregister(kvm->arch.dbf);
+	cleanup_srcu_struct(&kvm->srcu);
 	kfree(kvm);
 }
 
@@ -690,14 +691,12 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
 }
 
 /* Section: memory related */
-int kvm_arch_set_memory_region(struct kvm *kvm,
-				struct kvm_userspace_memory_region *mem,
-				struct kvm_memory_slot old,
-				int user_alloc)
+int kvm_arch_prepare_memory_region(struct kvm *kvm,
+				   struct kvm_memory_slot *memslot,
+				   struct kvm_memory_slot old,
+				   struct kvm_userspace_memory_region *mem,
+				   int user_alloc)
 {
-	int i;
-	struct kvm_vcpu *vcpu;
-
 	/* A few sanity checks. We can have exactly one memory slot which has
 	   to start at guest virtual zero and which has to be located at a
 	   page boundary in userland and which has to end at a page boundary.
@@ -720,14 +719,23 @@ int kvm_arch_set_memory_region(struct kvm *kvm,
 	if (!user_alloc)
 		return -EINVAL;
 
+	return 0;
+}
+
+void kvm_arch_commit_memory_region(struct kvm *kvm,
+				struct kvm_userspace_memory_region *mem,
+				struct kvm_memory_slot old,
+				int user_alloc)
+{
+	int i;
+	struct kvm_vcpu *vcpu;
+
 	/* request update of sie control block for all available vcpus */
 	kvm_for_each_vcpu(i, vcpu, kvm) {
 		if (test_and_set_bit(KVM_REQ_MMU_RELOAD, &vcpu->requests))
 			continue;
 		kvm_s390_inject_sigp_stop(vcpu, ACTION_RELOADVCPU_ON_STOP);
 	}
-
-	return 0;
 }
 
 void kvm_arch_flush_shadow(struct kvm *kvm)
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h
index 06cce8285ba0..60f09ab3672c 100644
--- a/arch/s390/kvm/kvm-s390.h
+++ b/arch/s390/kvm/kvm-s390.h
@@ -67,10 +67,14 @@ static inline long kvm_s390_vcpu_get_memsize(struct kvm_vcpu *vcpu)
 
 static inline void kvm_s390_vcpu_set_mem(struct kvm_vcpu *vcpu)
 {
+	int idx;
 	struct kvm_memory_slot *mem;
+	struct kvm_memslots *memslots;
 
-	down_read(&vcpu->kvm->slots_lock);
-	mem = &vcpu->kvm->memslots[0];
+	idx = srcu_read_lock(&vcpu->kvm->srcu);
+	memslots = rcu_dereference(vcpu->kvm->memslots);
+
+	mem = &memslots->memslots[0];
 
 	vcpu->arch.sie_block->gmsor = mem->userspace_addr;
 	vcpu->arch.sie_block->gmslm =
@@ -78,7 +82,7 @@ static inline void kvm_s390_vcpu_set_mem(struct kvm_vcpu *vcpu)
 		(mem->npages << PAGE_SHIFT) +
 		VIRTIODESCSPACE - 1ul;
 
-	up_read(&vcpu->kvm->slots_lock);
+	srcu_read_unlock(&vcpu->kvm->srcu, idx);
 }
 
 /* implemented in priv.c */
diff --git a/arch/s390/lib/Makefile b/arch/s390/lib/Makefile
index cd54a1c352af..761ab8b56afc 100644
--- a/arch/s390/lib/Makefile
+++ b/arch/s390/lib/Makefile
@@ -2,7 +2,8 @@
 # Makefile for s390-specific library files..
 #
 
-lib-y += delay.o string.o uaccess_std.o uaccess_pt.o usercopy.o
+lib-y += delay.o string.o uaccess_std.o uaccess_pt.o
+obj-y += usercopy.o
 obj-$(CONFIG_32BIT) += div64.o qrnnd.o ucmpdi2.o
 lib-$(CONFIG_64BIT) += uaccess_mvcos.o
 lib-$(CONFIG_SMP) += spinlock.o
diff --git a/arch/s390/mm/cmm.c b/arch/s390/mm/cmm.c
index 76a3637b88e0..f16bd04e39e9 100644
--- a/arch/s390/mm/cmm.c
+++ b/arch/s390/mm/cmm.c
@@ -374,7 +374,7 @@ static struct ctl_table cmm_dir_table[] = {
 #ifdef CONFIG_CMM_IUCV
 #define SMSG_PREFIX "CMM"
 static void
-cmm_smsg_target(char *from, char *msg)
+cmm_smsg_target(const char *from, char *msg)
 {
 	long nr, seconds;
 
diff --git a/arch/s390/mm/maccess.c b/arch/s390/mm/maccess.c
index 81756271dc44..a8c2af8c650f 100644
--- a/arch/s390/mm/maccess.c
+++ b/arch/s390/mm/maccess.c
@@ -59,3 +59,29 @@ long probe_kernel_write(void *dst, void *src, size_t size)
 	}
 	return copied < 0 ? -EFAULT : 0;
 }
+
+int memcpy_real(void *dest, void *src, size_t count)
+{
+	register unsigned long _dest asm("2") = (unsigned long) dest;
+	register unsigned long _len1 asm("3") = (unsigned long) count;
+	register unsigned long _src  asm("4") = (unsigned long) src;
+	register unsigned long _len2 asm("5") = (unsigned long) count;
+	unsigned long flags;
+	int rc = -EFAULT;
+
+	if (!count)
+		return 0;
+	flags = __raw_local_irq_stnsm(0xf8UL);
+	asm volatile (
+		"0:	mvcle	%1,%2,0x0\n"
+		"1:	jo	0b\n"
+		"	lhi	%0,0x0\n"
+		"2:\n"
+		EX_TABLE(1b,2b)
+		: "+d" (rc), "+d" (_dest), "+d" (_src), "+d" (_len1),
+		  "+d" (_len2), "=m" (*((long *) dest))
+		: "m" (*((long *) src))
+		: "cc", "memory");
+	__raw_local_irq_ssm(flags);
+	return rc;
+}
diff --git a/arch/score/include/asm/ptrace.h b/arch/score/include/asm/ptrace.h
index d40e691f23e2..e89dc9b1ef49 100644
--- a/arch/score/include/asm/ptrace.h
+++ b/arch/score/include/asm/ptrace.h
@@ -90,8 +90,7 @@ extern int read_tsk_short(struct task_struct *, unsigned long,
 			 unsigned short *);
 
 #define arch_has_single_step()	(1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
+
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_SCORE_PTRACE_H */
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 05cef5061293..8d90564c2bcf 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -183,6 +183,9 @@ config DMA_COHERENT
 config DMA_NONCOHERENT
 	def_bool !DMA_COHERENT
 
+config NEED_DMA_MAP_STATE
+	def_bool DMA_NONCOHERENT
+
 source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 39ed8722d11a..6c13b92742e8 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -836,6 +836,8 @@ static void __init sh_eth_init(struct sh_eth_plat_data *pd)
 		pd->mac_addr[i] = mac_read(a, 0x10 + i);
 		msleep(10);
 	}
+
+	i2c_put_adapter(a);
 }
 #else
 static void __init sh_eth_init(struct sh_eth_plat_data *pd)
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index be300aaca6fe..7da0fc94a01e 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -419,6 +419,9 @@ static struct i2c_board_info migor_i2c_devices[] = {
 		I2C_BOARD_INFO("migor_ts", 0x51),
 		.irq = 38, /* IRQ6 */
 	},
+	{
+		I2C_BOARD_INFO("wm8978", 0x1a),
+	},
 };
 
 static struct i2c_board_info migor_i2c_camera[] = {
@@ -619,6 +622,19 @@ static int __init migor_devices_setup(void)
 
 	platform_resource_setup_memory(&migor_ceu_device, "ceu", 4 << 20);
 
+	/* SIU: Port B */
+	gpio_request(GPIO_FN_SIUBOLR, NULL);
+	gpio_request(GPIO_FN_SIUBOBT, NULL);
+	gpio_request(GPIO_FN_SIUBISLD, NULL);
+	gpio_request(GPIO_FN_SIUBOSLD, NULL);
+	gpio_request(GPIO_FN_SIUMCKB, NULL);
+
+	/*
+	 * The original driver sets SIUB OLR/OBT, ILR/IBT, and SIUA OLR/OBT to
+	 * output. Need only SIUB, set to output for master mode (table 34.2)
+	 */
+	__raw_writew(__raw_readw(PORT_MSELCRA) | 1, PORT_MSELCRA);
+
 	i2c_register_board_info(0, migor_i2c_devices,
 				ARRAY_SIZE(migor_i2c_devices));
 
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index 66cdbc3c7af9..ccaa290e9aba 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -52,6 +52,13 @@
  * and change SW41 to use 720p
  */
 
+/*
+ * about sound
+ *
+ * This setup.c supports FSI slave mode.
+ * Please change J20, J21, J22 pin to 1-2 connection.
+ */
+
 /* Heartbeat */
 static struct resource heartbeat_resource = {
 	.start  = PA_LED,
@@ -276,6 +283,7 @@ static struct clk fsimcka_clk = {
 	.rate		= 0, /* unknown */
 };
 
+/* change J20, J21, J22 pin to 1-2 connection to use slave mode */
 struct sh_fsi_platform_info fsi_info = {
 	.porta_flags = SH_FSI_BRS_INV |
 		       SH_FSI_OUT_SLAVE_MODE |
diff --git a/arch/sh/boot/compressed/cache.c b/arch/sh/boot/compressed/cache.c
index e27fc74f228c..d0b77b68a4d0 100644
--- a/arch/sh/boot/compressed/cache.c
+++ b/arch/sh/boot/compressed/cache.c
@@ -5,7 +5,7 @@ int cache_control(unsigned int command)
 
 	for (i = 0; i < (32 * 1024); i += 32) {
 		(void)*p;
-		p += (32 / sizeof (int));
+		p += (32 / sizeof(int));
 	}
 
 	return 0;
diff --git a/arch/sh/configs/ecovec24_defconfig b/arch/sh/configs/ecovec24_defconfig
index 18e3356406f3..6041c66dd10e 100644
--- a/arch/sh/configs/ecovec24_defconfig
+++ b/arch/sh/configs/ecovec24_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.33-rc2
-# Mon Jan  4 11:20:36 2010
+# Linux kernel version: 2.6.34-rc2
+# Mon Mar 29 02:21:58 2010
 #
 CONFIG_SUPERH=y
 CONFIG_SUPERH32=y
@@ -13,8 +13,8 @@ CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_HWEIGHT=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
-CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_IRQ_PER_CPU=y
+CONFIG_SPARSE_IRQ=y
 CONFIG_GENERIC_GPIO=y
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
@@ -32,6 +32,7 @@ CONFIG_ARCH_NO_VIRT_TO_BUS=y
 CONFIG_ARCH_HAS_DEFAULT_IDLE=y
 CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y
 CONFIG_DMA_NONCOHERENT=y
+CONFIG_NEED_DMA_MAP_STATE=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 CONFIG_CONSTRUCTORS=y
 
@@ -47,9 +48,11 @@ CONFIG_LOCALVERSION=""
 CONFIG_HAVE_KERNEL_GZIP=y
 CONFIG_HAVE_KERNEL_BZIP2=y
 CONFIG_HAVE_KERNEL_LZMA=y
+CONFIG_HAVE_KERNEL_LZO=y
 CONFIG_KERNEL_GZIP=y
 # CONFIG_KERNEL_BZIP2 is not set
 # CONFIG_KERNEL_LZMA is not set
+# CONFIG_KERNEL_LZO is not set
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_SYSVIPC_SYSCTL=y
@@ -71,14 +74,8 @@ CONFIG_RCU_FANOUT=32
 # CONFIG_TREE_RCU_TRACE is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=14
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-# CONFIG_RT_GROUP_SCHED is not set
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
 # CONFIG_CGROUPS is not set
-CONFIG_SYSFS_DEPRECATED=y
-CONFIG_SYSFS_DEPRECATED_V2=y
+# CONFIG_SYSFS_DEPRECATED_V2 is not set
 # CONFIG_RELAY is not set
 # CONFIG_NAMESPACES is not set
 # CONFIG_BLK_DEV_INITRD is not set
@@ -107,7 +104,7 @@ CONFIG_PERF_USE_VMALLOC=y
 #
 # Kernel Performance Events And Counters
 #
-# CONFIG_PERF_EVENTS is not set
+CONFIG_PERF_EVENTS=y
 # CONFIG_PERF_COUNTERS is not set
 CONFIG_VM_EVENT_COUNTERS=y
 CONFIG_COMPAT_BRK=y
@@ -116,13 +113,13 @@ CONFIG_SLAB=y
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 CONFIG_HAVE_OPROFILE=y
-CONFIG_HAVE_IOREMAP_PROT=y
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
 CONFIG_HAVE_ARCH_TRACEHOOK=y
 CONFIG_HAVE_DMA_ATTRS=y
 CONFIG_HAVE_CLK=y
 CONFIG_HAVE_DMA_API_DEBUG=y
+CONFIG_HAVE_HW_BREAKPOINT=y
 
 #
 # GCOV-based kernel profiling
@@ -234,12 +231,12 @@ CONFIG_CPU_SUBTYPE_SH7724=y
 CONFIG_QUICKLIST=y
 CONFIG_MMU=y
 CONFIG_PAGE_OFFSET=0x80000000
-CONFIG_FORCE_MAX_ZONEORDER=11
+CONFIG_FORCE_MAX_ZONEORDER=12
 CONFIG_MEMORY_START=0x08000000
 CONFIG_MEMORY_SIZE=0x10000000
 CONFIG_29BIT=y
-# CONFIG_PMB_ENABLE is not set
-# CONFIG_X2TLB is not set
+# CONFIG_PMB is not set
+CONFIG_X2TLB=y
 CONFIG_VSYSCALL=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
@@ -247,6 +244,8 @@ CONFIG_ARCH_SPARSEMEM_DEFAULT=y
 CONFIG_MAX_ACTIVE_REGIONS=1
 CONFIG_ARCH_POPULATES_NODE_MAP=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
+CONFIG_IOREMAP_FIXED=y
+CONFIG_UNCACHED_MAPPING=y
 CONFIG_PAGE_SIZE_4KB=y
 # CONFIG_PAGE_SIZE_8KB is not set
 # CONFIG_PAGE_SIZE_16KB is not set
@@ -262,7 +261,7 @@ CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
-CONFIG_NR_QUICK=2
+CONFIG_NR_QUICK=1
 # CONFIG_KSM is not set
 CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 
@@ -337,7 +336,6 @@ CONFIG_SECCOMP=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 CONFIG_PREEMPT=y
 CONFIG_GUSA=y
-# CONFIG_SPARSE_IRQ is not set
 
 #
 # Boot options
@@ -347,7 +345,7 @@ CONFIG_BOOT_LINK_OFFSET=0x00800000
 CONFIG_ENTRY_OFFSET=0x00001000
 CONFIG_CMDLINE_OVERWRITE=y
 # CONFIG_CMDLINE_EXTEND is not set
-CONFIG_CMDLINE="console=tty0, console=ttySC0,115200 root=/dev/nfs ip=dhcp mem=120M memchunk.vpu=4m"
+CONFIG_CMDLINE="console=tty0, console=ttySC0,115200 root=/dev/nfs ip=dhcp mem=248M memchunk.vpu=8m memchunk.veu0=4m"
 
 #
 # Bus options
@@ -373,6 +371,7 @@ CONFIG_SUSPEND=y
 CONFIG_SUSPEND_FREEZER=y
 # CONFIG_HIBERNATION is not set
 CONFIG_PM_RUNTIME=y
+CONFIG_PM_OPS=y
 # CONFIG_CPU_IDLE is not set
 CONFIG_NET=y
 
@@ -380,7 +379,6 @@ CONFIG_NET=y
 # Networking options
 #
 CONFIG_PACKET=y
-# CONFIG_PACKET_MMAP is not set
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
@@ -445,7 +443,45 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
 # CONFIG_CAN is not set
-# CONFIG_IRDA is not set
+CONFIG_IRDA=y
+
+#
+# IrDA protocols
+#
+# CONFIG_IRLAN is not set
+# CONFIG_IRCOMM is not set
+# CONFIG_IRDA_ULTRA is not set
+
+#
+# IrDA options
+#
+# CONFIG_IRDA_CACHE_LAST_LSAP is not set
+# CONFIG_IRDA_FAST_RR is not set
+# CONFIG_IRDA_DEBUG is not set
+
+#
+# Infrared-port device drivers
+#
+
+#
+# SIR device drivers
+#
+# CONFIG_IRTTY_SIR is not set
+
+#
+# Dongle support
+#
+CONFIG_SH_SIR=y
+# CONFIG_KINGSUN_DONGLE is not set
+# CONFIG_KSDAZZLE_DONGLE is not set
+# CONFIG_KS959_DONGLE is not set
+
+#
+# FIR device drivers
+#
+# CONFIG_USB_IRDA is not set
+# CONFIG_SIGMATEL_FIR is not set
+# CONFIG_MCS_FIR is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
 CONFIG_WIRELESS=y
@@ -556,6 +592,7 @@ CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_NANDSIM is not set
 # CONFIG_MTD_NAND_PLATFORM is not set
 # CONFIG_MTD_ALAUDA is not set
+# CONFIG_MTD_NAND_SH_FLCTL is not set
 # CONFIG_MTD_ONENAND is not set
 
 #
@@ -597,6 +634,7 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_ICS932S401 is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_ISL29003 is not set
+# CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_DS1682 is not set
 # CONFIG_TI_DAC7512 is not set
 # CONFIG_C2PORT is not set
@@ -616,6 +654,7 @@ CONFIG_HAVE_IDE=y
 #
 # SCSI device support
 #
+CONFIG_SCSI_MOD=y
 # CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
 CONFIG_SCSI_DMA=y
@@ -768,7 +807,29 @@ CONFIG_KEYBOARD_SH_KEYSC=y
 # CONFIG_INPUT_MOUSE is not set
 # CONFIG_INPUT_JOYSTICK is not set
 # CONFIG_INPUT_TABLET is not set
-# CONFIG_INPUT_TOUCHSCREEN is not set
+CONFIG_INPUT_TOUCHSCREEN=y
+# CONFIG_TOUCHSCREEN_ADS7846 is not set
+# CONFIG_TOUCHSCREEN_AD7877 is not set
+# CONFIG_TOUCHSCREEN_AD7879_I2C is not set
+# CONFIG_TOUCHSCREEN_AD7879_SPI is not set
+# CONFIG_TOUCHSCREEN_AD7879 is not set
+# CONFIG_TOUCHSCREEN_DYNAPRO is not set
+# CONFIG_TOUCHSCREEN_EETI is not set
+# CONFIG_TOUCHSCREEN_FUJITSU is not set
+# CONFIG_TOUCHSCREEN_GUNZE is not set
+# CONFIG_TOUCHSCREEN_ELO is not set
+# CONFIG_TOUCHSCREEN_WACOM_W8001 is not set
+# CONFIG_TOUCHSCREEN_MCS5000 is not set
+# CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
+# CONFIG_TOUCHSCREEN_MK712 is not set
+# CONFIG_TOUCHSCREEN_PENMOUNT is not set
+# CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
+# CONFIG_TOUCHSCREEN_TOUCHWIN is not set
+# CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
+CONFIG_TOUCHSCREEN_TSC2007=y
+# CONFIG_TOUCHSCREEN_W90X900 is not set
 # CONFIG_INPUT_MISC is not set
 
 #
@@ -802,10 +863,10 @@ CONFIG_SERIAL_SH_SCI_NR_UARTS=6
 CONFIG_SERIAL_SH_SCI_CONSOLE=y
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_TIMBERDALE is not set
 CONFIG_UNIX98_PTYS=y
 # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
-CONFIG_LEGACY_PTYS=y
-CONFIG_LEGACY_PTY_COUNT=256
+# CONFIG_LEGACY_PTYS is not set
 # CONFIG_IPMI_HANDLER is not set
 CONFIG_HW_RANDOM=y
 # CONFIG_HW_RANDOM_TIMERIOMEM is not set
@@ -830,6 +891,7 @@ CONFIG_I2C_HELPER_AUTO=y
 # CONFIG_I2C_OCORES is not set
 CONFIG_I2C_SH_MOBILE=y
 # CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_XILINX is not set
 
 #
 # External I2C/SMBus adapter drivers
@@ -843,15 +905,9 @@ CONFIG_I2C_SH_MOBILE=y
 #
 # CONFIG_I2C_PCA_PLATFORM is not set
 # CONFIG_I2C_STUB is not set
-
-#
-# Miscellaneous I2C Chip support
-#
-# CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
 CONFIG_SPI=y
 CONFIG_SPI_MASTER=y
 
@@ -882,13 +938,16 @@ CONFIG_GPIOLIB=y
 #
 # Memory mapped GPIO expanders:
 #
+# CONFIG_GPIO_IT8761E is not set
 
 #
 # I2C GPIO expanders:
 #
+# CONFIG_GPIO_MAX7300 is not set
 # CONFIG_GPIO_MAX732X is not set
 # CONFIG_GPIO_PCA953X is not set
 # CONFIG_GPIO_PCF857X is not set
+# CONFIG_GPIO_ADP5588 is not set
 
 #
 # PCI GPIO expanders:
@@ -919,23 +978,26 @@ CONFIG_SSB_POSSIBLE=y
 #
 # Multifunction device drivers
 #
-# CONFIG_MFD_CORE is not set
+CONFIG_MFD_CORE=y
+# CONFIG_MFD_88PM860X is not set
 # CONFIG_MFD_SM501 is not set
-# CONFIG_MFD_SH_MOBILE_SDHI is not set
+CONFIG_MFD_SH_MOBILE_SDHI=y
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_HTC_I2CPLD is not set
 # CONFIG_TPS65010 is not set
 # CONFIG_TWL4030_CORE is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_PMIC_DA903X is not set
 # CONFIG_PMIC_ADP5520 is not set
+# CONFIG_MFD_MAX8925 is not set
 # CONFIG_MFD_WM8400 is not set
 # CONFIG_MFD_WM831X is not set
 # CONFIG_MFD_WM8350_I2C is not set
+# CONFIG_MFD_WM8994 is not set
 # CONFIG_MFD_PCF50633 is not set
 # CONFIG_MFD_MC13783 is not set
 # CONFIG_AB3100_CORE is not set
 # CONFIG_EZX_PCAP is not set
-# CONFIG_MFD_88PM8607 is not set
 # CONFIG_AB4500_CORE is not set
 # CONFIG_REGULATOR is not set
 CONFIG_MEDIA_SUPPORT=y
@@ -985,10 +1047,10 @@ CONFIG_SOC_CAMERA=y
 # CONFIG_SOC_CAMERA_MT9M001 is not set
 # CONFIG_SOC_CAMERA_MT9M111 is not set
 # CONFIG_SOC_CAMERA_MT9T031 is not set
-# CONFIG_SOC_CAMERA_MT9T112 is not set
+CONFIG_SOC_CAMERA_MT9T112=y
 # CONFIG_SOC_CAMERA_MT9V022 is not set
 # CONFIG_SOC_CAMERA_RJ54N1 is not set
-# CONFIG_SOC_CAMERA_TW9910 is not set
+CONFIG_SOC_CAMERA_TW9910=y
 # CONFIG_SOC_CAMERA_PLATFORM is not set
 # CONFIG_SOC_CAMERA_OV772X is not set
 # CONFIG_SOC_CAMERA_OV9640 is not set
@@ -1001,6 +1063,7 @@ CONFIG_RADIO_ADAPTERS=y
 # CONFIG_RADIO_SI470X is not set
 # CONFIG_USB_MR800 is not set
 # CONFIG_RADIO_TEA5764 is not set
+# CONFIG_RADIO_SAA7706H is not set
 # CONFIG_RADIO_TEF6862 is not set
 # CONFIG_DAB is not set
 
@@ -1034,6 +1097,7 @@ CONFIG_FB_DEFERRED_IO=y
 #
 # CONFIG_FB_S1D13XXX is not set
 CONFIG_FB_SH_MOBILE_LCDC=y
+# CONFIG_FB_TMIO is not set
 # CONFIG_FB_VIRTUAL is not set
 # CONFIG_FB_METRONOME is not set
 # CONFIG_FB_MB862XX is not set
@@ -1062,7 +1126,46 @@ CONFIG_LOGO=y
 # CONFIG_LOGO_SUPERH_MONO is not set
 # CONFIG_LOGO_SUPERH_VGA16 is not set
 CONFIG_LOGO_SUPERH_CLUT224=y
-# CONFIG_SOUND is not set
+CONFIG_SOUND=y
+CONFIG_SOUND_OSS_CORE=y
+CONFIG_SOUND_OSS_CORE_PRECLAIM=y
+CONFIG_SND=y
+CONFIG_SND_TIMER=y
+CONFIG_SND_PCM=y
+CONFIG_SND_JACK=y
+CONFIG_SND_SEQUENCER=y
+CONFIG_SND_SEQ_DUMMY=y
+CONFIG_SND_OSSEMUL=y
+CONFIG_SND_MIXER_OSS=y
+CONFIG_SND_PCM_OSS=y
+CONFIG_SND_PCM_OSS_PLUGINS=y
+# CONFIG_SND_SEQUENCER_OSS is not set
+# CONFIG_SND_DYNAMIC_MINORS is not set
+CONFIG_SND_SUPPORT_OLD_API=y
+CONFIG_SND_VERBOSE_PROCFS=y
+# CONFIG_SND_VERBOSE_PRINTK is not set
+# CONFIG_SND_DEBUG is not set
+# CONFIG_SND_RAWMIDI_SEQ is not set
+# CONFIG_SND_OPL3_LIB_SEQ is not set
+# CONFIG_SND_OPL4_LIB_SEQ is not set
+# CONFIG_SND_SBAWE_SEQ is not set
+# CONFIG_SND_EMU10K1_SEQ is not set
+# CONFIG_SND_DRIVERS is not set
+# CONFIG_SND_SPI is not set
+CONFIG_SND_SUPERH=y
+# CONFIG_SND_USB is not set
+CONFIG_SND_SOC=y
+
+#
+# SoC Audio support for SuperH
+#
+CONFIG_SND_SOC_SH4_FSI=y
+# CONFIG_SND_FSI_AK4642 is not set
+CONFIG_SND_FSI_DA7210=y
+CONFIG_SND_SOC_I2C_AND_SPI=y
+# CONFIG_SND_SOC_ALL_CODECS is not set
+CONFIG_SND_SOC_DA7210=y
+# CONFIG_SOUND_PRIME is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
 # CONFIG_HIDRAW is not set
@@ -1077,6 +1180,7 @@ CONFIG_USB_HID=y
 #
 # Special HID drivers
 #
+# CONFIG_HID_3M_PCT is not set
 # CONFIG_HID_A4TECH is not set
 # CONFIG_HID_APPLE is not set
 # CONFIG_HID_BELKIN is not set
@@ -1091,12 +1195,16 @@ CONFIG_USB_HID=y
 # CONFIG_HID_KENSINGTON is not set
 # CONFIG_HID_LOGITECH is not set
 # CONFIG_HID_MICROSOFT is not set
+# CONFIG_HID_MOSART is not set
 # CONFIG_HID_MONTEREY is not set
 # CONFIG_HID_NTRIG is not set
+# CONFIG_HID_ORTEK is not set
 # CONFIG_HID_PANTHERLORD is not set
 # CONFIG_HID_PETALYNX is not set
+# CONFIG_HID_QUANTA is not set
 # CONFIG_HID_SAMSUNG is not set
 # CONFIG_HID_SONY is not set
+# CONFIG_HID_STANTUM is not set
 # CONFIG_HID_SUNPLUS is not set
 # CONFIG_HID_GREENASIA is not set
 # CONFIG_HID_SMARTJOYPLUS is not set
@@ -1136,6 +1244,7 @@ CONFIG_USB_MON=y
 # CONFIG_USB_SL811_HCD is not set
 CONFIG_USB_R8A66597_HCD=y
 # CONFIG_USB_HWA_HCD is not set
+# CONFIG_USB_GADGET_MUSB_HDRC is not set
 
 #
 # USB Device Class drivers
@@ -1188,7 +1297,6 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
-# CONFIG_USB_BERRY_CHARGE is not set
 # CONFIG_USB_LED is not set
 # CONFIG_USB_CYPRESS_CY7C63 is not set
 # CONFIG_USB_CYTHERM is not set
@@ -1200,8 +1308,45 @@ CONFIG_USB_STORAGE=y
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
 # CONFIG_USB_ISIGHTFW is not set
-# CONFIG_USB_VST is not set
-# CONFIG_USB_GADGET is not set
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+# CONFIG_USB_GADGET_DEBUG_FS is not set
+CONFIG_USB_GADGET_VBUS_DRAW=2
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_ATMEL_USBA is not set
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_PXA25X is not set
+CONFIG_USB_GADGET_R8A66597=y
+CONFIG_USB_R8A66597=y
+# CONFIG_USB_GADGET_PXA27X is not set
+# CONFIG_USB_GADGET_S3C_HSOTG is not set
+# CONFIG_USB_GADGET_IMX is not set
+# CONFIG_USB_GADGET_S3C2410 is not set
+# CONFIG_USB_GADGET_M66592 is not set
+# CONFIG_USB_GADGET_AMD5536UDC is not set
+# CONFIG_USB_GADGET_FSL_QE is not set
+# CONFIG_USB_GADGET_CI13XXX is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LANGWELL is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+# CONFIG_USB_ZERO is not set
+# CONFIG_USB_AUDIO is not set
+# CONFIG_USB_ETH is not set
+# CONFIG_USB_GADGETFS is not set
+CONFIG_USB_FILE_STORAGE=m
+# CONFIG_USB_FILE_STORAGE_TEST is not set
+# CONFIG_USB_MASS_STORAGE is not set
+# CONFIG_USB_G_SERIAL is not set
+# CONFIG_USB_MIDI_GADGET is not set
+# CONFIG_USB_G_PRINTER is not set
+# CONFIG_USB_CDC_COMPOSITE is not set
+# CONFIG_USB_G_NOKIA is not set
+# CONFIG_USB_G_MULTI is not set
 
 #
 # OTG and related infrastructure
@@ -1224,10 +1369,8 @@ CONFIG_MMC_BLOCK_BOUNCE=y
 # MMC/SD/SDIO Host Controller Drivers
 #
 # CONFIG_MMC_SDHCI is not set
-# CONFIG_MMC_AT91 is not set
-# CONFIG_MMC_ATMELMCI is not set
 CONFIG_MMC_SPI=y
-# CONFIG_MMC_TMIO is not set
+CONFIG_MMC_TMIO=y
 # CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
 # CONFIG_ACCESSIBILITY is not set
@@ -1253,10 +1396,10 @@ CONFIG_RTC_INTF_DEV=y
 # CONFIG_RTC_DRV_DS1374 is not set
 # CONFIG_RTC_DRV_DS1672 is not set
 # CONFIG_RTC_DRV_MAX6900 is not set
-# CONFIG_RTC_DRV_RS5C372 is not set
+CONFIG_RTC_DRV_RS5C372=y
 # CONFIG_RTC_DRV_ISL1208 is not set
 # CONFIG_RTC_DRV_X1205 is not set
-CONFIG_RTC_DRV_PCF8563=y
+# CONFIG_RTC_DRV_PCF8563 is not set
 # CONFIG_RTC_DRV_PCF8583 is not set
 # CONFIG_RTC_DRV_M41T80 is not set
 # CONFIG_RTC_DRV_BQ32K is not set
@@ -1303,8 +1446,6 @@ CONFIG_RTC_DRV_PCF8563=y
 CONFIG_UIO=y
 # CONFIG_UIO_PDRV is not set
 CONFIG_UIO_PDRV_GENIRQ=y
-# CONFIG_UIO_SMX is not set
-# CONFIG_UIO_SERCOS3 is not set
 
 #
 # TI VLYNQ
@@ -1390,6 +1531,7 @@ CONFIG_MISC_FILESYSTEMS=y
 # CONFIG_EFS_FS is not set
 # CONFIG_JFFS2_FS is not set
 # CONFIG_UBIFS_FS is not set
+# CONFIG_LOGFS is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_SQUASHFS is not set
 # CONFIG_VXFS_FS is not set
@@ -1418,6 +1560,7 @@ CONFIG_SUNRPC=y
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
+# CONFIG_CEPH_FS is not set
 # CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
@@ -1487,6 +1630,7 @@ CONFIG_DEBUG_FS=y
 CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_MEMORY_INIT is not set
 # CONFIG_RCU_CPU_STALL_DETECTOR is not set
+# CONFIG_LKDTM is not set
 # CONFIG_LATENCYTOP is not set
 CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_HAVE_FUNCTION_TRACER=y
@@ -1618,7 +1762,7 @@ CONFIG_CRYPTO_HW=y
 #
 CONFIG_BITREVERSE=y
 CONFIG_GENERIC_FIND_LAST_BIT=y
-# CONFIG_CRC_CCITT is not set
+CONFIG_CRC_CCITT=y
 # CONFIG_CRC16 is not set
 CONFIG_CRC_T10DIF=y
 CONFIG_CRC_ITU_T=y
diff --git a/arch/sh/include/asm/cacheflush.h b/arch/sh/include/asm/cacheflush.h
index da3ebec921a7..1f4e562c5e8c 100644
--- a/arch/sh/include/asm/cacheflush.h
+++ b/arch/sh/include/asm/cacheflush.h
@@ -86,8 +86,8 @@ extern void copy_from_user_page(struct vm_area_struct *vma,
 	struct page *page, unsigned long vaddr, void *dst, const void *src,
 	unsigned long len);
 
-#define flush_cache_vmap(start, end)		flush_cache_all()
-#define flush_cache_vunmap(start, end)		flush_cache_all()
+#define flush_cache_vmap(start, end)		local_flush_cache_all(NULL)
+#define flush_cache_vunmap(start, end)		local_flush_cache_all(NULL)
 
 #define flush_dcache_mmap_lock(mapping)		do { } while (0)
 #define flush_dcache_mmap_unlock(mapping)	do { } while (0)
diff --git a/arch/sh/include/asm/dma-register.h b/arch/sh/include/asm/dma-register.h
new file mode 100644
index 000000000000..51cd78feacff
--- /dev/null
+++ b/arch/sh/include/asm/dma-register.h
@@ -0,0 +1,51 @@
+/*
+ * Common header for the legacy SH DMA driver and the new dmaengine driver
+ *
+ * extracted from arch/sh/include/asm/dma-sh.h:
+ *
+ * Copyright (C) 2000  Takashi YOSHII
+ * Copyright (C) 2003  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef DMA_REGISTER_H
+#define DMA_REGISTER_H
+
+/* DMA register */
+#define SAR	0x00
+#define DAR	0x04
+#define TCR	0x08
+#define CHCR	0x0C
+#define DMAOR	0x40
+
+/* DMAOR definitions */
+#define DMAOR_AE	0x00000004
+#define DMAOR_NMIF	0x00000002
+#define DMAOR_DME	0x00000001
+
+/* Definitions for the SuperH DMAC */
+#define REQ_L	0x00000000
+#define REQ_E	0x00080000
+#define RACK_H	0x00000000
+#define RACK_L	0x00040000
+#define ACK_R	0x00000000
+#define ACK_W	0x00020000
+#define ACK_H	0x00000000
+#define ACK_L	0x00010000
+#define DM_INC	0x00004000
+#define DM_DEC	0x00008000
+#define DM_FIX	0x0000c000
+#define SM_INC	0x00001000
+#define SM_DEC	0x00002000
+#define SM_FIX	0x00003000
+#define RS_IN	0x00000200
+#define RS_OUT	0x00000300
+#define TS_BLK	0x00000040
+#define TM_BUR	0x00000020
+#define CHCR_DE	0x00000001
+#define CHCR_TE	0x00000002
+#define CHCR_IE	0x00000004
+
+#endif
diff --git a/arch/sh/include/asm/dma-sh.h b/arch/sh/include/asm/dma-sh.h
index e934a2e66651..f3acb8e34c6b 100644
--- a/arch/sh/include/asm/dma-sh.h
+++ b/arch/sh/include/asm/dma-sh.h
@@ -11,7 +11,8 @@
 #ifndef __DMA_SH_H
 #define __DMA_SH_H
 
-#include <asm/dma.h>
+#include <asm/dma-register.h>
+#include <cpu/dma-register.h>
 #include <cpu/dma.h>
 
 /* DMAOR contorl: The DMAOR access size is different by CPU.*/
@@ -53,34 +54,6 @@ static int dmte_irq_map[] __maybe_unused = {
 #endif
 };
 
-/* Definitions for the SuperH DMAC */
-#define REQ_L	0x00000000
-#define REQ_E	0x00080000
-#define RACK_H	0x00000000
-#define RACK_L	0x00040000
-#define ACK_R	0x00000000
-#define ACK_W	0x00020000
-#define ACK_H	0x00000000
-#define ACK_L	0x00010000
-#define DM_INC	0x00004000
-#define DM_DEC	0x00008000
-#define DM_FIX	0x0000c000
-#define SM_INC	0x00001000
-#define SM_DEC	0x00002000
-#define SM_FIX	0x00003000
-#define RS_IN	0x00000200
-#define RS_OUT	0x00000300
-#define TS_BLK	0x00000040
-#define TM_BUR	0x00000020
-#define CHCR_DE 0x00000001
-#define CHCR_TE 0x00000002
-#define CHCR_IE 0x00000004
-
-/* DMAOR definitions */
-#define DMAOR_AE	0x00000004
-#define DMAOR_NMIF	0x00000002
-#define DMAOR_DME	0x00000001
-
 /*
  * Define the default configuration for dual address memory-memory transfer.
  * The 0x400 value represents auto-request, external->external.
@@ -111,61 +84,4 @@ static u32 dma_base_addr[] __maybe_unused = {
 #endif
 };
 
-/* DMA register */
-#define SAR     0x00
-#define DAR     0x04
-#define TCR     0x08
-#define CHCR    0x0C
-#define DMAOR	0x40
-
-/*
- * for dma engine
- *
- * SuperH DMA mode
- */
-#define SHDMA_MIX_IRQ	(1 << 1)
-#define SHDMA_DMAOR1	(1 << 2)
-#define SHDMA_DMAE1	(1 << 3)
-
-enum sh_dmae_slave_chan_id {
-	SHDMA_SLAVE_SCIF0_TX,
-	SHDMA_SLAVE_SCIF0_RX,
-	SHDMA_SLAVE_SCIF1_TX,
-	SHDMA_SLAVE_SCIF1_RX,
-	SHDMA_SLAVE_SCIF2_TX,
-	SHDMA_SLAVE_SCIF2_RX,
-	SHDMA_SLAVE_SCIF3_TX,
-	SHDMA_SLAVE_SCIF3_RX,
-	SHDMA_SLAVE_SCIF4_TX,
-	SHDMA_SLAVE_SCIF4_RX,
-	SHDMA_SLAVE_SCIF5_TX,
-	SHDMA_SLAVE_SCIF5_RX,
-	SHDMA_SLAVE_SIUA_TX,
-	SHDMA_SLAVE_SIUA_RX,
-	SHDMA_SLAVE_SIUB_TX,
-	SHDMA_SLAVE_SIUB_RX,
-	SHDMA_SLAVE_NUMBER,	/* Must stay last */
-};
-
-struct sh_dmae_slave_config {
-	enum sh_dmae_slave_chan_id	slave_id;
-	dma_addr_t			addr;
-	u32				chcr;
-	char				mid_rid;
-};
-
-struct sh_dmae_pdata {
-	unsigned int mode;
-	struct sh_dmae_slave_config *config;
-	int config_num;
-};
-
-struct device;
-
-struct sh_dmae_slave {
-	enum sh_dmae_slave_chan_id	slave_id; /* Set by the platform */
-	struct device			*dma_dev; /* Set by the platform */
-	struct sh_dmae_slave_config	*config;  /* Set by the driver */
-};
-
 #endif /* __DMA_SH_H */
diff --git a/arch/sh/include/asm/dmaengine.h b/arch/sh/include/asm/dmaengine.h
new file mode 100644
index 000000000000..bf2f30cf0a27
--- /dev/null
+++ b/arch/sh/include/asm/dmaengine.h
@@ -0,0 +1,93 @@
+/*
+ * Header for the new SH dmaengine driver
+ *
+ * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef ASM_DMAENGINE_H
+#define ASM_DMAENGINE_H
+
+#include <linux/dmaengine.h>
+#include <linux/list.h>
+
+#include <asm/dma-register.h>
+
+#define SH_DMAC_MAX_CHANNELS	6
+
+enum sh_dmae_slave_chan_id {
+	SHDMA_SLAVE_SCIF0_TX,
+	SHDMA_SLAVE_SCIF0_RX,
+	SHDMA_SLAVE_SCIF1_TX,
+	SHDMA_SLAVE_SCIF1_RX,
+	SHDMA_SLAVE_SCIF2_TX,
+	SHDMA_SLAVE_SCIF2_RX,
+	SHDMA_SLAVE_SCIF3_TX,
+	SHDMA_SLAVE_SCIF3_RX,
+	SHDMA_SLAVE_SCIF4_TX,
+	SHDMA_SLAVE_SCIF4_RX,
+	SHDMA_SLAVE_SCIF5_TX,
+	SHDMA_SLAVE_SCIF5_RX,
+	SHDMA_SLAVE_SIUA_TX,
+	SHDMA_SLAVE_SIUA_RX,
+	SHDMA_SLAVE_SIUB_TX,
+	SHDMA_SLAVE_SIUB_RX,
+	SHDMA_SLAVE_NUMBER,	/* Must stay last */
+};
+
+struct sh_dmae_slave_config {
+	enum sh_dmae_slave_chan_id	slave_id;
+	dma_addr_t			addr;
+	u32				chcr;
+	char				mid_rid;
+};
+
+struct sh_dmae_channel {
+	unsigned int	offset;
+	unsigned int	dmars;
+	unsigned int	dmars_bit;
+};
+
+struct sh_dmae_pdata {
+	struct sh_dmae_slave_config *slave;
+	int slave_num;
+	struct sh_dmae_channel *channel;
+	int channel_num;
+	unsigned int ts_low_shift;
+	unsigned int ts_low_mask;
+	unsigned int ts_high_shift;
+	unsigned int ts_high_mask;
+	unsigned int *ts_shift;
+	int ts_shift_num;
+	u16 dmaor_init;
+};
+
+struct device;
+
+/* Used by slave DMA clients to request DMA to/from a specific peripheral */
+struct sh_dmae_slave {
+	enum sh_dmae_slave_chan_id	slave_id; /* Set by the platform */
+	struct device			*dma_dev; /* Set by the platform */
+	struct sh_dmae_slave_config	*config;  /* Set by the driver */
+};
+
+struct sh_dmae_regs {
+	u32 sar; /* SAR / source address */
+	u32 dar; /* DAR / destination address */
+	u32 tcr; /* TCR / transfer count */
+};
+
+struct sh_desc {
+	struct sh_dmae_regs hw;
+	struct list_head node;
+	struct dma_async_tx_descriptor async_tx;
+	enum dma_data_direction direction;
+	dma_cookie_t cookie;
+	size_t partial;
+	int chunks;
+	int mark;
+};
+
+#endif
diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h
index ac04255022b6..ce830faeebbf 100644
--- a/arch/sh/include/asm/elf.h
+++ b/arch/sh/include/asm/elf.h
@@ -211,7 +211,9 @@ extern void __kernel_vsyscall;
 
 #define VSYSCALL_AUX_ENT					\
 	if (vdso_enabled)					\
-		NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE);
+		NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE);	\
+	else							\
+		NEW_AUX_ENT(AT_IGNORE, 0);
 #else
 #define VSYSCALL_AUX_ENT
 #endif /* CONFIG_VSYSCALL */
@@ -219,7 +221,7 @@ extern void __kernel_vsyscall;
 #ifdef CONFIG_SH_FPU
 #define FPU_AUX_ENT	NEW_AUX_ENT(AT_FPUCW, FPSCR_INIT)
 #else
-#define FPU_AUX_ENT
+#define FPU_AUX_ENT	NEW_AUX_ENT(AT_IGNORE, 0)
 #endif
 
 extern int l1i_cache_shape, l1d_cache_shape, l2_cache_shape;
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 7dab7b23a5ec..f689554e17c1 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -291,21 +291,21 @@ unsigned long long poke_real_address_q(unsigned long long addr,
  * doesn't exist, so everything must go through page tables.
  */
 #ifdef CONFIG_MMU
-void __iomem *__ioremap_caller(unsigned long offset, unsigned long size,
+void __iomem *__ioremap_caller(phys_addr_t offset, unsigned long size,
 			       pgprot_t prot, void *caller);
 void __iounmap(void __iomem *addr);
 
 static inline void __iomem *
-__ioremap(unsigned long offset, unsigned long size, pgprot_t prot)
+__ioremap(phys_addr_t offset, unsigned long size, pgprot_t prot)
 {
 	return __ioremap_caller(offset, size, prot, __builtin_return_address(0));
 }
 
 static inline void __iomem *
-__ioremap_29bit(unsigned long offset, unsigned long size, pgprot_t prot)
+__ioremap_29bit(phys_addr_t offset, unsigned long size, pgprot_t prot)
 {
 #ifdef CONFIG_29BIT
-	unsigned long last_addr = offset + size - 1;
+	phys_addr_t last_addr = offset + size - 1;
 
 	/*
 	 * For P1 and P2 space this is trivial, as everything is already
@@ -329,7 +329,7 @@ __ioremap_29bit(unsigned long offset, unsigned long size, pgprot_t prot)
 }
 
 static inline void __iomem *
-__ioremap_mode(unsigned long offset, unsigned long size, pgprot_t prot)
+__ioremap_mode(phys_addr_t offset, unsigned long size, pgprot_t prot)
 {
 	void __iomem *ret;
 
@@ -349,35 +349,32 @@ __ioremap_mode(unsigned long offset, unsigned long size, pgprot_t prot)
 #define __iounmap(addr)				do { } while (0)
 #endif /* CONFIG_MMU */
 
-static inline void __iomem *
-ioremap(unsigned long offset, unsigned long size)
+static inline void __iomem *ioremap(phys_addr_t offset, unsigned long size)
 {
 	return __ioremap_mode(offset, size, PAGE_KERNEL_NOCACHE);
 }
 
 static inline void __iomem *
-ioremap_cache(unsigned long offset, unsigned long size)
+ioremap_cache(phys_addr_t offset, unsigned long size)
 {
 	return __ioremap_mode(offset, size, PAGE_KERNEL);
 }
 
 #ifdef CONFIG_HAVE_IOREMAP_PROT
 static inline void __iomem *
-ioremap_prot(resource_size_t offset, unsigned long size, unsigned long flags)
+ioremap_prot(phys_addr_t offset, unsigned long size, unsigned long flags)
 {
 	return __ioremap_mode(offset, size, __pgprot(flags));
 }
 #endif
 
 #ifdef CONFIG_IOREMAP_FIXED
-extern void __iomem *ioremap_fixed(resource_size_t, unsigned long,
-				   unsigned long, pgprot_t);
+extern void __iomem *ioremap_fixed(phys_addr_t, unsigned long, pgprot_t);
 extern int iounmap_fixed(void __iomem *);
 extern void ioremap_fixed_init(void);
 #else
 static inline void __iomem *
-ioremap_fixed(resource_size_t phys_addr, unsigned long offset,
-	      unsigned long size, pgprot_t prot)
+ioremap_fixed(phys_addr_t phys_addr, unsigned long size, pgprot_t prot)
 {
 	BUG();
 	return NULL;
diff --git a/arch/sh/include/asm/mmu.h b/arch/sh/include/asm/mmu.h
index 15a05b615ba7..56e4418c19b9 100644
--- a/arch/sh/include/asm/mmu.h
+++ b/arch/sh/include/asm/mmu.h
@@ -55,19 +55,36 @@ typedef struct {
 
 #ifdef CONFIG_PMB
 /* arch/sh/mm/pmb.c */
-long pmb_remap(unsigned long virt, unsigned long phys,
-	       unsigned long size, pgprot_t prot);
-void pmb_unmap(unsigned long addr);
-void pmb_init(void);
 bool __in_29bit_mode(void);
+
+void pmb_init(void);
+int pmb_bolt_mapping(unsigned long virt, phys_addr_t phys,
+		     unsigned long size, pgprot_t prot);
+void __iomem *pmb_remap_caller(phys_addr_t phys, unsigned long size,
+			       pgprot_t prot, void *caller);
+int pmb_unmap(void __iomem *addr);
+
 #else
-static inline long pmb_remap(unsigned long virt, unsigned long phys,
-			     unsigned long size, pgprot_t prot)
+
+static inline int
+pmb_bolt_mapping(unsigned long virt, phys_addr_t phys,
+		 unsigned long size, pgprot_t prot)
+{
+	return -EINVAL;
+}
+
+static inline void __iomem *
+pmb_remap_caller(phys_addr_t phys, unsigned long size,
+		 pgprot_t prot, void *caller)
+{
+	return NULL;
+}
+
+static inline int pmb_unmap(void __iomem *addr)
 {
 	return -EINVAL;
 }
 
-#define pmb_unmap(addr)		do { } while (0)
 #define pmb_init(addr)		do { } while (0)
 
 #ifdef CONFIG_29BIT
@@ -77,6 +94,13 @@ static inline long pmb_remap(unsigned long virt, unsigned long phys,
 #endif
 
 #endif /* CONFIG_PMB */
+
+static inline void __iomem *
+pmb_remap(phys_addr_t phys, unsigned long size, pgprot_t prot)
+{
+	return pmb_remap_caller(phys, size, prot, __builtin_return_address(0));
+}
+
 #endif /* __ASSEMBLY__ */
 
 #endif /* __MMU_H */
diff --git a/arch/sh/include/asm/pci.h b/arch/sh/include/asm/pci.h
index 1042f7f0a48b..8bd952fcf3ba 100644
--- a/arch/sh/include/asm/pci.h
+++ b/arch/sh/include/asm/pci.h
@@ -83,25 +83,6 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
  */
 #define PCI_DMA_BUS_IS_PHYS	(dma_ops->is_phys)
 
-/* pci_unmap_{single,page} being a nop depends upon the
- * configuration.
- */
-#ifdef CONFIG_DMA_NONCOHERENT
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)		__u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)		((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	(((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)		((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	(((PTR)->LEN_NAME) = (VAL))
-#else
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)		(0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	do { } while (0)
-#define pci_unmap_len(PTR, LEN_NAME)		(0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do { } while (0)
-#endif
-
 #ifdef CONFIG_PCI
 /*
  * None of the SH PCI controllers support MWI, it is always treated as a
diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index e11b14ea2c43..2168fde25611 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -123,8 +123,6 @@ extern void show_regs(struct pt_regs *);
 struct task_struct;
 
 #define arch_has_single_step()	(1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
 
 struct perf_event;
 struct perf_sample_data;
diff --git a/arch/sh/include/asm/siu.h b/arch/sh/include/asm/siu.h
index 57565a3b551f..f1b1e6944a5f 100644
--- a/arch/sh/include/asm/siu.h
+++ b/arch/sh/include/asm/siu.h
@@ -11,7 +11,7 @@
 #ifndef ASM_SIU_H
 #define ASM_SIU_H
 
-#include <asm/dma-sh.h>
+#include <asm/dmaengine.h>
 
 struct device;
 
diff --git a/arch/sh/include/asm/syscalls.h b/arch/sh/include/asm/syscalls.h
index c1e2b8deb837..507725af2e54 100644
--- a/arch/sh/include/asm/syscalls.h
+++ b/arch/sh/include/asm/syscalls.h
@@ -3,17 +3,12 @@
 
 #ifdef __KERNEL__
 
-struct old_utsname;
-
 asmlinkage int old_mmap(unsigned long addr, unsigned long len,
 			unsigned long prot, unsigned long flags,
 			int fd, unsigned long off);
 asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
 			  unsigned long prot, unsigned long flags,
 			  unsigned long fd, unsigned long pgoff);
-asmlinkage int sys_ipc(uint call, int first, int second,
-		       int third, void __user *ptr, long fifth);
-asmlinkage int sys_uname(struct old_utsname __user *name);
 
 #ifdef CONFIG_SUPERH32
 # include "syscalls_32.h"
diff --git a/arch/sh/include/asm/topology.h b/arch/sh/include/asm/topology.h
index 37cdadd975ac..88e734069fa6 100644
--- a/arch/sh/include/asm/topology.h
+++ b/arch/sh/include/asm/topology.h
@@ -35,7 +35,7 @@
 
 #define pcibus_to_node(bus)	((void)(bus), -1)
 #define cpumask_of_pcibus(bus)	(pcibus_to_node(bus) == -1 ? \
-					CPU_MASK_ALL_PTR : \
+					cpu_all_mask : \
 					cpumask_of_node(pcibus_to_node(bus)))
 
 #endif
diff --git a/arch/sh/include/asm/unistd_32.h b/arch/sh/include/asm/unistd_32.h
index 365744b05269..0e7f0fc8f086 100644
--- a/arch/sh/include/asm/unistd_32.h
+++ b/arch/sh/include/asm/unistd_32.h
@@ -358,6 +358,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -370,6 +371,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_UNAME
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/sh/include/asm/unistd_64.h b/arch/sh/include/asm/unistd_64.h
index 25de158aac3a..0580c33a1e04 100644
--- a/arch/sh/include/asm/unistd_64.h
+++ b/arch/sh/include/asm/unistd_64.h
@@ -398,6 +398,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -410,6 +411,7 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_UNAME
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/sh/include/cpu-sh3/cpu/dma-register.h b/arch/sh/include/cpu-sh3/cpu/dma-register.h
new file mode 100644
index 000000000000..2349e488c9a6
--- /dev/null
+++ b/arch/sh/include/cpu-sh3/cpu/dma-register.h
@@ -0,0 +1,41 @@
+/*
+ * SH3 CPU-specific DMA definitions, used by both DMA drivers
+ *
+ * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef CPU_DMA_REGISTER_H
+#define CPU_DMA_REGISTER_H
+
+#define CHCR_TS_LOW_MASK	0x18
+#define CHCR_TS_LOW_SHIFT	3
+#define CHCR_TS_HIGH_MASK	0
+#define CHCR_TS_HIGH_SHIFT	0
+
+#define DMAOR_INIT	DMAOR_DME
+
+/*
+ * The SuperH DMAC supports a number of transmit sizes, we list them here,
+ * with their respective values as they appear in the CHCR registers.
+ */
+enum {
+	XMIT_SZ_8BIT,
+	XMIT_SZ_16BIT,
+	XMIT_SZ_32BIT,
+	XMIT_SZ_128BIT,
+};
+
+/* log2(size / 8) - used to calculate number of transfers */
+#define TS_SHIFT {			\
+	[XMIT_SZ_8BIT]		= 0,	\
+	[XMIT_SZ_16BIT]		= 1,	\
+	[XMIT_SZ_32BIT]		= 2,	\
+	[XMIT_SZ_128BIT]	= 4,	\
+}
+
+#define TS_INDEX2VAL(i)	(((i) & 3) << CHCR_TS_LOW_SHIFT)
+
+#endif
diff --git a/arch/sh/include/cpu-sh3/cpu/dma.h b/arch/sh/include/cpu-sh3/cpu/dma.h
index 207811a7a650..24e28b91c9d5 100644
--- a/arch/sh/include/cpu-sh3/cpu/dma.h
+++ b/arch/sh/include/cpu-sh3/cpu/dma.h
@@ -20,31 +20,4 @@
 #define TS_32		0x00000010
 #define TS_128		0x00000018
 
-#define CHCR_TS_LOW_MASK	0x18
-#define CHCR_TS_LOW_SHIFT	3
-#define CHCR_TS_HIGH_MASK	0
-#define CHCR_TS_HIGH_SHIFT	0
-
-#define DMAOR_INIT	DMAOR_DME
-
-/*
- * The SuperH DMAC supports a number of transmit sizes, we list them here,
- * with their respective values as they appear in the CHCR registers.
- */
-enum {
-	XMIT_SZ_8BIT,
-	XMIT_SZ_16BIT,
-	XMIT_SZ_32BIT,
-	XMIT_SZ_128BIT,
-};
-
-#define TS_SHIFT {			\
-	[XMIT_SZ_8BIT]		= 0,	\
-	[XMIT_SZ_16BIT]		= 1,	\
-	[XMIT_SZ_32BIT]		= 2,	\
-	[XMIT_SZ_128BIT]	= 4,	\
-}
-
-#define TS_INDEX2VAL(i)	(((i) & 3) << CHCR_TS_LOW_SHIFT)
-
 #endif /* __ASM_CPU_SH3_DMA_H */
diff --git a/arch/sh/include/cpu-sh4/cpu/dma-register.h b/arch/sh/include/cpu-sh4/cpu/dma-register.h
new file mode 100644
index 000000000000..55f9fec082d4
--- /dev/null
+++ b/arch/sh/include/cpu-sh4/cpu/dma-register.h
@@ -0,0 +1,112 @@
+/*
+ * SH4 CPU-specific DMA definitions, used by both DMA drivers
+ *
+ * Copyright (C) 2010 Guennadi Liakhovetski <g.liakhovetski@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef CPU_DMA_REGISTER_H
+#define CPU_DMA_REGISTER_H
+
+/* SH7751/7760/7780 DMA IRQ sources */
+
+#ifdef CONFIG_CPU_SH4A
+
+#define DMAOR_INIT	DMAOR_DME
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7343) || \
+	defined(CONFIG_CPU_SUBTYPE_SH7730)
+#define CHCR_TS_LOW_MASK	0x00000018
+#define CHCR_TS_LOW_SHIFT	3
+#define CHCR_TS_HIGH_MASK	0
+#define CHCR_TS_HIGH_SHIFT	0
+#elif defined(CONFIG_CPU_SUBTYPE_SH7722) || \
+	defined(CONFIG_CPU_SUBTYPE_SH7724)
+#define CHCR_TS_LOW_MASK	0x00000018
+#define CHCR_TS_LOW_SHIFT	3
+#define CHCR_TS_HIGH_MASK	0x00300000
+#define CHCR_TS_HIGH_SHIFT	(20 - 2)	/* 2 bits for shifted low TS */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \
+	defined(CONFIG_CPU_SUBTYPE_SH7764)
+#define CHCR_TS_LOW_MASK	0x00000018
+#define CHCR_TS_LOW_SHIFT	3
+#define CHCR_TS_HIGH_MASK	0
+#define CHCR_TS_HIGH_SHIFT	0
+#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
+#define CHCR_TS_LOW_MASK	0x00000018
+#define CHCR_TS_LOW_SHIFT	3
+#define CHCR_TS_HIGH_MASK	0
+#define CHCR_TS_HIGH_SHIFT	0
+#elif defined(CONFIG_CPU_SUBTYPE_SH7780)
+#define CHCR_TS_LOW_MASK	0x00000018
+#define CHCR_TS_LOW_SHIFT	3
+#define CHCR_TS_HIGH_MASK	0
+#define CHCR_TS_HIGH_SHIFT	0
+#else /* SH7785 */
+#define CHCR_TS_LOW_MASK	0x00000018
+#define CHCR_TS_LOW_SHIFT	3
+#define CHCR_TS_HIGH_MASK	0
+#define CHCR_TS_HIGH_SHIFT	0
+#endif
+
+/* Transmit sizes and respective CHCR register values */
+enum {
+	XMIT_SZ_8BIT		= 0,
+	XMIT_SZ_16BIT		= 1,
+	XMIT_SZ_32BIT		= 2,
+	XMIT_SZ_64BIT		= 7,
+	XMIT_SZ_128BIT		= 3,
+	XMIT_SZ_256BIT		= 4,
+	XMIT_SZ_128BIT_BLK	= 0xb,
+	XMIT_SZ_256BIT_BLK	= 0xc,
+};
+
+/* log2(size / 8) - used to calculate number of transfers */
+#define TS_SHIFT {			\
+	[XMIT_SZ_8BIT]		= 0,	\
+	[XMIT_SZ_16BIT]		= 1,	\
+	[XMIT_SZ_32BIT]		= 2,	\
+	[XMIT_SZ_64BIT]		= 3,	\
+	[XMIT_SZ_128BIT]	= 4,	\
+	[XMIT_SZ_256BIT]	= 5,	\
+	[XMIT_SZ_128BIT_BLK]	= 4,	\
+	[XMIT_SZ_256BIT_BLK]	= 5,	\
+}
+
+#define TS_INDEX2VAL(i)	((((i) & 3) << CHCR_TS_LOW_SHIFT) | \
+			 ((((i) >> 2) & 3) << CHCR_TS_HIGH_SHIFT))
+
+#else /* CONFIG_CPU_SH4A */
+
+#define DMAOR_INIT	(0x8000 | DMAOR_DME)
+
+#define CHCR_TS_LOW_MASK	0x70
+#define CHCR_TS_LOW_SHIFT	4
+#define CHCR_TS_HIGH_MASK	0
+#define CHCR_TS_HIGH_SHIFT	0
+
+/* Transmit sizes and respective CHCR register values */
+enum {
+	XMIT_SZ_8BIT	= 1,
+	XMIT_SZ_16BIT	= 2,
+	XMIT_SZ_32BIT	= 3,
+	XMIT_SZ_64BIT	= 0,
+	XMIT_SZ_256BIT	= 4,
+};
+
+/* log2(size / 8) - used to calculate number of transfers */
+#define TS_SHIFT {			\
+	[XMIT_SZ_8BIT]		= 0,	\
+	[XMIT_SZ_16BIT]		= 1,	\
+	[XMIT_SZ_32BIT]		= 2,	\
+	[XMIT_SZ_64BIT]		= 3,	\
+	[XMIT_SZ_256BIT]	= 5,	\
+}
+
+#define TS_INDEX2VAL(i)	(((i) & 7) << CHCR_TS_LOW_SHIFT)
+
+#endif /* CONFIG_CPU_SH4A */
+
+#endif
diff --git a/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h b/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h
index e734ea47d8a0..9647e681fd27 100644
--- a/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h
+++ b/arch/sh/include/cpu-sh4/cpu/dma-sh4a.h
@@ -8,20 +8,12 @@
 #define DMAE0_IRQ	78	/* DMA Error IRQ*/
 #define SH_DMAC_BASE0	0xFE008020
 #define SH_DMARS_BASE0	0xFE009000
-#define CHCR_TS_LOW_MASK	0x00000018
-#define CHCR_TS_LOW_SHIFT	3
-#define CHCR_TS_HIGH_MASK	0
-#define CHCR_TS_HIGH_SHIFT	0
 #elif defined(CONFIG_CPU_SUBTYPE_SH7722)
 #define DMTE0_IRQ	48
 #define DMTE4_IRQ	76
 #define DMAE0_IRQ	78	/* DMA Error IRQ*/
 #define SH_DMAC_BASE0	0xFE008020
 #define SH_DMARS_BASE0	0xFE009000
-#define CHCR_TS_LOW_MASK	0x00000018
-#define CHCR_TS_LOW_SHIFT	3
-#define CHCR_TS_HIGH_MASK	0x00300000
-#define CHCR_TS_HIGH_SHIFT	20
 #elif defined(CONFIG_CPU_SUBTYPE_SH7763) || \
 	defined(CONFIG_CPU_SUBTYPE_SH7764)
 #define DMTE0_IRQ	34
@@ -29,10 +21,6 @@
 #define DMAE0_IRQ	38
 #define SH_DMAC_BASE0	0xFF608020
 #define SH_DMARS_BASE0	0xFF609000
-#define CHCR_TS_LOW_MASK	0x00000018
-#define CHCR_TS_LOW_SHIFT	3
-#define CHCR_TS_HIGH_MASK	0
-#define CHCR_TS_HIGH_SHIFT	0
 #elif defined(CONFIG_CPU_SUBTYPE_SH7723)
 #define DMTE0_IRQ	48	/* DMAC0A*/
 #define DMTE4_IRQ	76	/* DMAC0B */
@@ -46,10 +34,6 @@
 #define SH_DMAC_BASE0	0xFE008020
 #define SH_DMAC_BASE1	0xFDC08020
 #define SH_DMARS_BASE0	0xFDC09000
-#define CHCR_TS_LOW_MASK	0x00000018
-#define CHCR_TS_LOW_SHIFT	3
-#define CHCR_TS_HIGH_MASK	0
-#define CHCR_TS_HIGH_SHIFT	0
 #elif defined(CONFIG_CPU_SUBTYPE_SH7724)
 #define DMTE0_IRQ	48	/* DMAC0A*/
 #define DMTE4_IRQ	76	/* DMAC0B */
@@ -64,10 +48,6 @@
 #define SH_DMAC_BASE1	0xFDC08020
 #define SH_DMARS_BASE0	0xFE009000
 #define SH_DMARS_BASE1	0xFDC09000
-#define CHCR_TS_LOW_MASK	0x00000018
-#define CHCR_TS_LOW_SHIFT	3
-#define CHCR_TS_HIGH_MASK	0x00600000
-#define CHCR_TS_HIGH_SHIFT	21
 #elif defined(CONFIG_CPU_SUBTYPE_SH7780)
 #define DMTE0_IRQ	34
 #define DMTE4_IRQ	44
@@ -80,10 +60,6 @@
 #define SH_DMAC_BASE0	0xFC808020
 #define SH_DMAC_BASE1	0xFC818020
 #define SH_DMARS_BASE0	0xFC809000
-#define CHCR_TS_LOW_MASK	0x00000018
-#define CHCR_TS_LOW_SHIFT	3
-#define CHCR_TS_HIGH_MASK	0
-#define CHCR_TS_HIGH_SHIFT	0
 #else /* SH7785 */
 #define DMTE0_IRQ	33
 #define DMTE4_IRQ	37
@@ -97,10 +73,6 @@
 #define SH_DMAC_BASE0	0xFC808020
 #define SH_DMAC_BASE1	0xFCC08020
 #define SH_DMARS_BASE0	0xFC809000
-#define CHCR_TS_LOW_MASK	0x00000018
-#define CHCR_TS_LOW_SHIFT	3
-#define CHCR_TS_HIGH_MASK	0
-#define CHCR_TS_HIGH_SHIFT	0
 #endif
 
 #define REQ_HE		0x000000C0
@@ -108,38 +80,4 @@
 #define REQ_LE		0x00000040
 #define TM_BURST	0x00000020
 
-/*
- * The SuperH DMAC supports a number of transmit sizes, we list them here,
- * with their respective values as they appear in the CHCR registers.
- *
- * Defaults to a 64-bit transfer size.
- */
-enum {
-	XMIT_SZ_8BIT		= 0,
-	XMIT_SZ_16BIT		= 1,
-	XMIT_SZ_32BIT		= 2,
-	XMIT_SZ_64BIT		= 7,
-	XMIT_SZ_128BIT		= 3,
-	XMIT_SZ_256BIT		= 4,
-	XMIT_SZ_128BIT_BLK	= 0xb,
-	XMIT_SZ_256BIT_BLK	= 0xc,
-};
-
-/*
- * The DMA count is defined as the number of bytes to transfer.
- */
-#define TS_SHIFT {			\
-	[XMIT_SZ_8BIT]		= 0,	\
-	[XMIT_SZ_16BIT]		= 1,	\
-	[XMIT_SZ_32BIT]		= 2,	\
-	[XMIT_SZ_64BIT]		= 3,	\
-	[XMIT_SZ_128BIT]	= 4,	\
-	[XMIT_SZ_256BIT]	= 5,	\
-	[XMIT_SZ_128BIT_BLK]	= 4,	\
-	[XMIT_SZ_256BIT_BLK]	= 5,	\
-}
-
-#define TS_INDEX2VAL(i)	((((i) & 3) << CHCR_TS_LOW_SHIFT) | \
-			 ((((i) >> 2) & 3) << CHCR_TS_HIGH_SHIFT))
-
 #endif /* __ASM_SH_CPU_SH4_DMA_SH7780_H */
diff --git a/arch/sh/include/cpu-sh4/cpu/dma.h b/arch/sh/include/cpu-sh4/cpu/dma.h
index 114a369705bc..ca747e93c2ed 100644
--- a/arch/sh/include/cpu-sh4/cpu/dma.h
+++ b/arch/sh/include/cpu-sh4/cpu/dma.h
@@ -5,9 +5,8 @@
 
 #ifdef CONFIG_CPU_SH4A
 
-#define DMAOR_INIT	(DMAOR_DME)
-
 #include <cpu/dma-sh4a.h>
+
 #else /* CONFIG_CPU_SH4A */
 /*
  * SH7750/SH7751/SH7760
@@ -17,7 +16,6 @@
 #define DMTE6_IRQ	46
 #define DMAE0_IRQ	38
 
-#define DMAOR_INIT	(0x8000|DMAOR_DME)
 #define SH_DMAC_BASE0	0xffa00000
 #define SH_DMAC_BASE1	0xffa00070
 /* Definitions for the SuperH DMAC */
@@ -27,40 +25,8 @@
 #define TS_32		0x00000030
 #define TS_64		0x00000000
 
-#define CHCR_TS_LOW_MASK	0x70
-#define CHCR_TS_LOW_SHIFT	4
-#define CHCR_TS_HIGH_MASK	0
-#define CHCR_TS_HIGH_SHIFT	0
-
 #define DMAOR_COD	0x00000008
 
-/*
- * The SuperH DMAC supports a number of transmit sizes, we list them here,
- * with their respective values as they appear in the CHCR registers.
- *
- * Defaults to a 64-bit transfer size.
- */
-enum {
-	XMIT_SZ_8BIT	= 1,
-	XMIT_SZ_16BIT	= 2,
-	XMIT_SZ_32BIT	= 3,
-	XMIT_SZ_64BIT	= 0,
-	XMIT_SZ_256BIT	= 4,
-};
-
-/*
- * The DMA count is defined as the number of bytes to transfer.
- */
-#define TS_SHIFT {			\
-	[XMIT_SZ_8BIT]		= 0,	\
-	[XMIT_SZ_16BIT]		= 1,	\
-	[XMIT_SZ_32BIT]		= 2,	\
-	[XMIT_SZ_64BIT]		= 3,	\
-	[XMIT_SZ_256BIT]	= 5,	\
-}
-
-#define TS_INDEX2VAL(i)	(((i) & 7) << CHCR_TS_LOW_SHIFT)
-
 #endif
 
 #endif /* __ASM_CPU_SH4_DMA_H */
diff --git a/arch/sh/include/cpu-sh4/cpu/mmu_context.h b/arch/sh/include/cpu-sh4/cpu/mmu_context.h
index 03ea75c5315d..5963124c1d4a 100644
--- a/arch/sh/include/cpu-sh4/cpu/mmu_context.h
+++ b/arch/sh/include/cpu-sh4/cpu/mmu_context.h
@@ -19,6 +19,8 @@
 
 #define MMUCR		0xFF000010	/* MMU Control Register */
 
+#define MMU_ITLB_ADDRESS_ARRAY  0xF2000000
+#define MMU_ITLB_ADDRESS_ARRAY2	0xF2800000
 #define MMU_UTLB_ADDRESS_ARRAY	0xF6000000
 #define MMU_UTLB_ADDRESS_ARRAY2	0xF6800000
 #define MMU_PAGE_ASSOC_BIT	0x80
@@ -28,6 +30,8 @@
 #define MMUCR_URB		0x00FC0000
 #define MMUCR_URB_SHIFT		18
 #define MMUCR_URB_NENTRIES	64
+#define MMUCR_URC		0x0000FC00
+#define MMUCR_URC_SHIFT		10
 
 #if defined(CONFIG_32BIT) && defined(CONFIG_CPU_SUBTYPE_ST40)
 #define MMUCR_SE		(1 << 4)
diff --git a/arch/sh/include/cpu-sh4/cpu/watchdog.h b/arch/sh/include/cpu-sh4/cpu/watchdog.h
index 7672301d0c70..7f62b9380938 100644
--- a/arch/sh/include/cpu-sh4/cpu/watchdog.h
+++ b/arch/sh/include/cpu-sh4/cpu/watchdog.h
@@ -21,6 +21,12 @@
 #define WTCNT		0xffcc0000 /*WDTST*/
 #define WTST		WTCNT
 #define WTBST		0xffcc0008 /*WDTBST*/
+/* Register definitions */
+#elif	defined(CONFIG_CPU_SUBTYPE_SH7722) || \
+	defined(CONFIG_CPU_SUBTYPE_SH7723) || \
+	defined(CONFIG_CPU_SUBTYPE_SH7724)
+#define WTCNT		0xa4520000
+#define WTCSR		0xa4520004
 #else
 /* Register definitions */
 #define WTCNT		0xffc00008
diff --git a/arch/sh/include/mach-migor/mach/migor.h b/arch/sh/include/mach-migor/mach/migor.h
index cee6cb88e020..42fccf93412e 100644
--- a/arch/sh/include/mach-migor/mach/migor.h
+++ b/arch/sh/include/mach-migor/mach/migor.h
@@ -1,6 +1,7 @@
 #ifndef __ASM_SH_MIGOR_H
 #define __ASM_SH_MIGOR_H
 
+#define PORT_MSELCRA 0xa4050180
 #define PORT_MSELCRB 0xa4050182
 #define BSC_CS4BCR 0xfec10010
 #define BSC_CS6ABCR 0xfec1001c
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c
index 83da5debeedf..e9fa1bfed53e 100644
--- a/arch/sh/kernel/cpu/clock.c
+++ b/arch/sh/kernel/cpu/clock.c
@@ -404,7 +404,7 @@ EXPORT_SYMBOL_GPL(clk_round_rate);
  *  If an entry has a device ID, it must match
  *  If an entry has a connection ID, it must match
  * Then we take the most specific entry - with the following
- * order of precidence: dev+con > dev only > con only.
+ * order of precedence: dev+con > dev only > con only.
  */
 static struct clk *clk_find(const char *dev_id, const char *con_id)
 {
diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c
index fc065f9da6e5..14726eef1ce0 100644
--- a/arch/sh/kernel/cpu/sh4/sq.c
+++ b/arch/sh/kernel/cpu/sh4/sq.c
@@ -326,7 +326,7 @@ static struct attribute *sq_sysfs_attrs[] = {
 	NULL,
 };
 
-static struct sysfs_ops sq_sysfs_ops = {
+static const struct sysfs_ops sq_sysfs_ops = {
 	.show	= sq_sysfs_show,
 	.store	= sq_sysfs_store,
 };
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index ef3f97827808..fd7e3639e845 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -7,19 +7,167 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
-#include <linux/platform_device.h>
 #include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/platform_device.h>
 #include <linux/serial.h>
 #include <linux/serial_sci.h>
-#include <linux/mm.h>
+#include <linux/sh_timer.h>
 #include <linux/uio_driver.h>
 #include <linux/usb/m66592.h>
-#include <linux/sh_timer.h>
+
 #include <asm/clock.h>
+#include <asm/dmaengine.h>
 #include <asm/mmzone.h>
-#include <asm/dma-sh.h>
+#include <asm/siu.h>
+
+#include <cpu/dma-register.h>
 #include <cpu/sh7722.h>
 
+static struct sh_dmae_slave_config sh7722_dmae_slaves[] = {
+	{
+		.slave_id	= SHDMA_SLAVE_SCIF0_TX,
+		.addr		= 0xffe0000c,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x21,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF0_RX,
+		.addr		= 0xffe00014,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x22,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF1_TX,
+		.addr		= 0xffe1000c,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x25,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF1_RX,
+		.addr		= 0xffe10014,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x26,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF2_TX,
+		.addr		= 0xffe2000c,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x29,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SCIF2_RX,
+		.addr		= 0xffe20014,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_8BIT),
+		.mid_rid	= 0x2a,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SIUA_TX,
+		.addr		= 0xa454c098,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
+		.mid_rid	= 0xb1,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SIUA_RX,
+		.addr		= 0xa454c090,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
+		.mid_rid	= 0xb2,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SIUB_TX,
+		.addr		= 0xa454c09c,
+		.chcr		= DM_FIX | SM_INC | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
+		.mid_rid	= 0xb5,
+	}, {
+		.slave_id	= SHDMA_SLAVE_SIUB_RX,
+		.addr		= 0xa454c094,
+		.chcr		= DM_INC | SM_FIX | 0x800 | TS_INDEX2VAL(XMIT_SZ_32BIT),
+		.mid_rid	= 0xb6,
+	},
+};
+
+static struct sh_dmae_channel sh7722_dmae_channels[] = {
+	{
+		.offset = 0,
+		.dmars = 0,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x10,
+		.dmars = 0,
+		.dmars_bit = 8,
+	}, {
+		.offset = 0x20,
+		.dmars = 4,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x30,
+		.dmars = 4,
+		.dmars_bit = 8,
+	}, {
+		.offset = 0x50,
+		.dmars = 8,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x60,
+		.dmars = 8,
+		.dmars_bit = 8,
+	}
+};
+
+static unsigned int ts_shift[] = TS_SHIFT;
+
+static struct sh_dmae_pdata dma_platform_data = {
+	.slave		= sh7722_dmae_slaves,
+	.slave_num	= ARRAY_SIZE(sh7722_dmae_slaves),
+	.channel	= sh7722_dmae_channels,
+	.channel_num	= ARRAY_SIZE(sh7722_dmae_channels),
+	.ts_low_shift	= CHCR_TS_LOW_SHIFT,
+	.ts_low_mask	= CHCR_TS_LOW_MASK,
+	.ts_high_shift	= CHCR_TS_HIGH_SHIFT,
+	.ts_high_mask	= CHCR_TS_HIGH_MASK,
+	.ts_shift	= ts_shift,
+	.ts_shift_num	= ARRAY_SIZE(ts_shift),
+	.dmaor_init	= DMAOR_INIT,
+};
+
+static struct resource sh7722_dmae_resources[] = {
+	[0] = {
+		/* Channel registers and DMAOR */
+		.start	= 0xfe008020,
+		.end	= 0xfe00808f,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		/* DMARSx */
+		.start	= 0xfe009000,
+		.end	= 0xfe00900b,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* DMA error IRQ */
+		.start	= 78,
+		.end	= 78,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		/* IRQ for channels 0-3 */
+		.start	= 48,
+		.end	= 51,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		/* IRQ for channels 4-5 */
+		.start	= 76,
+		.end	= 77,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device dma_device = {
+	.name		= "sh-dma-engine",
+	.id		= -1,
+	.resource	= sh7722_dmae_resources,
+	.num_resources	= ARRAY_SIZE(sh7722_dmae_resources),
+	.dev		= {
+		.platform_data	= &dma_platform_data,
+	},
+	.archdata = {
+		.hwblk_id = HWBLK_DMAC,
+	},
+};
+
 /* Serial */
 static struct plat_sci_port scif0_platform_data = {
 	.mapbase        = 0xffe00000,
@@ -388,15 +536,36 @@ static struct platform_device tmu2_device = {
 	},
 };
 
-static struct sh_dmae_pdata dma_platform_data = {
-	.mode = 0,
+static struct siu_platform siu_platform_data = {
+	.dma_dev	= &dma_device.dev,
+	.dma_slave_tx_a	= SHDMA_SLAVE_SIUA_TX,
+	.dma_slave_rx_a	= SHDMA_SLAVE_SIUA_RX,
+	.dma_slave_tx_b	= SHDMA_SLAVE_SIUB_TX,
+	.dma_slave_rx_b	= SHDMA_SLAVE_SIUB_RX,
 };
 
-static struct platform_device dma_device = {
-	.name		= "sh-dma-engine",
+static struct resource siu_resources[] = {
+	[0] = {
+		.start	= 0xa4540000,
+		.end	= 0xa454c10f,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 108,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device siu_device = {
+	.name		= "sh_siu",
 	.id		= -1,
-	.dev		= {
-		.platform_data	= &dma_platform_data,
+	.dev = {
+		.platform_data	= &siu_platform_data,
+	},
+	.resource	= siu_resources,
+	.num_resources	= ARRAY_SIZE(siu_resources),
+	.archdata = {
+		.hwblk_id = HWBLK_SIU,
 	},
 };
 
@@ -414,6 +583,7 @@ static struct platform_device *sh7722_devices[] __initdata = {
 	&vpu_device,
 	&veu_device,
 	&jpu_device,
+	&siu_device,
 	&dma_device,
 };
 
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
index 31e3451f7e3d..e7fa2a92fc1f 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7724.c
@@ -21,22 +21,189 @@
 #include <linux/sh_timer.h>
 #include <linux/io.h>
 #include <linux/notifier.h>
+
 #include <asm/suspend.h>
 #include <asm/clock.h>
-#include <asm/dma-sh.h>
+#include <asm/dmaengine.h>
 #include <asm/mmzone.h>
+
+#include <cpu/dma-register.h>
 #include <cpu/sh7724.h>
 
 /* DMA */
-static struct sh_dmae_pdata dma_platform_data = {
-	.mode = SHDMA_DMAOR1,
+static struct sh_dmae_channel sh7724_dmae0_channels[] = {
+	{
+		.offset = 0,
+		.dmars = 0,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x10,
+		.dmars = 0,
+		.dmars_bit = 8,
+	}, {
+		.offset = 0x20,
+		.dmars = 4,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x30,
+		.dmars = 4,
+		.dmars_bit = 8,
+	}, {
+		.offset = 0x50,
+		.dmars = 8,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x60,
+		.dmars = 8,
+		.dmars_bit = 8,
+	}
+};
+
+static struct sh_dmae_channel sh7724_dmae1_channels[] = {
+	{
+		.offset = 0,
+		.dmars = 0,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x10,
+		.dmars = 0,
+		.dmars_bit = 8,
+	}, {
+		.offset = 0x20,
+		.dmars = 4,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x30,
+		.dmars = 4,
+		.dmars_bit = 8,
+	}, {
+		.offset = 0x50,
+		.dmars = 8,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x60,
+		.dmars = 8,
+		.dmars_bit = 8,
+	}
+};
+
+static unsigned int ts_shift[] = TS_SHIFT;
+
+static struct sh_dmae_pdata dma0_platform_data = {
+	.channel	= sh7724_dmae0_channels,
+	.channel_num	= ARRAY_SIZE(sh7724_dmae0_channels),
+	.ts_low_shift	= CHCR_TS_LOW_SHIFT,
+	.ts_low_mask	= CHCR_TS_LOW_MASK,
+	.ts_high_shift	= CHCR_TS_HIGH_SHIFT,
+	.ts_high_mask	= CHCR_TS_HIGH_MASK,
+	.ts_shift	= ts_shift,
+	.ts_shift_num	= ARRAY_SIZE(ts_shift),
+	.dmaor_init	= DMAOR_INIT,
+};
+
+static struct sh_dmae_pdata dma1_platform_data = {
+	.channel	= sh7724_dmae1_channels,
+	.channel_num	= ARRAY_SIZE(sh7724_dmae1_channels),
+	.ts_low_shift	= CHCR_TS_LOW_SHIFT,
+	.ts_low_mask	= CHCR_TS_LOW_MASK,
+	.ts_high_shift	= CHCR_TS_HIGH_SHIFT,
+	.ts_high_mask	= CHCR_TS_HIGH_MASK,
+	.ts_shift	= ts_shift,
+	.ts_shift_num	= ARRAY_SIZE(ts_shift),
+	.dmaor_init	= DMAOR_INIT,
+};
+
+/* Resource order important! */
+static struct resource sh7724_dmae0_resources[] = {
+	{
+		/* Channel registers and DMAOR */
+		.start	= 0xfe008020,
+		.end	= 0xfe00808f,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* DMARSx */
+		.start	= 0xfe009000,
+		.end	= 0xfe00900b,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* DMA error IRQ */
+		.start	= 78,
+		.end	= 78,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		/* IRQ for channels 0-3 */
+		.start	= 48,
+		.end	= 51,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		/* IRQ for channels 4-5 */
+		.start	= 76,
+		.end	= 77,
+		.flags	= IORESOURCE_IRQ,
+	},
 };
 
-static struct platform_device dma_device = {
-	.name	= "sh-dma-engine",
-	.id		= -1,
-	.dev	= {
-		.platform_data	= &dma_platform_data,
+/* Resource order important! */
+static struct resource sh7724_dmae1_resources[] = {
+	{
+		/* Channel registers and DMAOR */
+		.start	= 0xfdc08020,
+		.end	= 0xfdc0808f,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* DMARSx */
+		.start	= 0xfdc09000,
+		.end	= 0xfdc0900b,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* DMA error IRQ */
+		.start	= 74,
+		.end	= 74,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		/* IRQ for channels 0-3 */
+		.start	= 40,
+		.end	= 43,
+		.flags	= IORESOURCE_IRQ,
+	},
+	{
+		/* IRQ for channels 4-5 */
+		.start	= 72,
+		.end	= 73,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device dma0_device = {
+	.name		= "sh-dma-engine",
+	.id		= 0,
+	.resource	= sh7724_dmae0_resources,
+	.num_resources	= ARRAY_SIZE(sh7724_dmae0_resources),
+	.dev		= {
+		.platform_data	= &dma0_platform_data,
+	},
+	.archdata = {
+		.hwblk_id = HWBLK_DMAC0,
+	},
+};
+
+static struct platform_device dma1_device = {
+	.name		= "sh-dma-engine",
+	.id		= 1,
+	.resource	= sh7724_dmae1_resources,
+	.num_resources	= ARRAY_SIZE(sh7724_dmae1_resources),
+	.dev		= {
+		.platform_data	= &dma1_platform_data,
+	},
+	.archdata = {
+		.hwblk_id = HWBLK_DMAC1,
 	},
 };
 
@@ -663,7 +830,8 @@ static struct platform_device *sh7724_devices[] __initdata = {
 	&tmu3_device,
 	&tmu4_device,
 	&tmu5_device,
-	&dma_device,
+	&dma0_device,
+	&dma1_device,
 	&rtc_device,
 	&iic0_device,
 	&iic1_device,
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
index f8f21618d785..02e792c90de6 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7780.c
@@ -13,7 +13,10 @@
 #include <linux/io.h>
 #include <linux/serial_sci.h>
 #include <linux/sh_timer.h>
-#include <asm/dma-sh.h>
+
+#include <asm/dmaengine.h>
+
+#include <cpu/dma-register.h>
 
 static struct plat_sci_port scif0_platform_data = {
 	.mapbase	= 0xffe00000,
@@ -247,15 +250,131 @@ static struct platform_device rtc_device = {
 	.resource	= rtc_resources,
 };
 
-static struct sh_dmae_pdata dma_platform_data = {
-	.mode = (SHDMA_MIX_IRQ | SHDMA_DMAOR1),
+/* DMA */
+static struct sh_dmae_channel sh7780_dmae0_channels[] = {
+	{
+		.offset = 0,
+		.dmars = 0,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x10,
+		.dmars = 0,
+		.dmars_bit = 8,
+	}, {
+		.offset = 0x20,
+		.dmars = 4,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x30,
+		.dmars = 4,
+		.dmars_bit = 8,
+	}, {
+		.offset = 0x50,
+		.dmars = 8,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x60,
+		.dmars = 8,
+		.dmars_bit = 8,
+	}
+};
+
+static struct sh_dmae_channel sh7780_dmae1_channels[] = {
+	{
+		.offset = 0,
+	}, {
+		.offset = 0x10,
+	}, {
+		.offset = 0x20,
+	}, {
+		.offset = 0x30,
+	}, {
+		.offset = 0x50,
+	}, {
+		.offset = 0x60,
+	}
+};
+
+static unsigned int ts_shift[] = TS_SHIFT;
+
+static struct sh_dmae_pdata dma0_platform_data = {
+	.channel	= sh7780_dmae0_channels,
+	.channel_num	= ARRAY_SIZE(sh7780_dmae0_channels),
+	.ts_low_shift	= CHCR_TS_LOW_SHIFT,
+	.ts_low_mask	= CHCR_TS_LOW_MASK,
+	.ts_high_shift	= CHCR_TS_HIGH_SHIFT,
+	.ts_high_mask	= CHCR_TS_HIGH_MASK,
+	.ts_shift	= ts_shift,
+	.ts_shift_num	= ARRAY_SIZE(ts_shift),
+	.dmaor_init	= DMAOR_INIT,
+};
+
+static struct sh_dmae_pdata dma1_platform_data = {
+	.channel	= sh7780_dmae1_channels,
+	.channel_num	= ARRAY_SIZE(sh7780_dmae1_channels),
+	.ts_low_shift	= CHCR_TS_LOW_SHIFT,
+	.ts_low_mask	= CHCR_TS_LOW_MASK,
+	.ts_high_shift	= CHCR_TS_HIGH_SHIFT,
+	.ts_high_mask	= CHCR_TS_HIGH_MASK,
+	.ts_shift	= ts_shift,
+	.ts_shift_num	= ARRAY_SIZE(ts_shift),
+	.dmaor_init	= DMAOR_INIT,
 };
 
-static struct platform_device dma_device = {
+static struct resource sh7780_dmae0_resources[] = {
+	[0] = {
+		/* Channel registers and DMAOR */
+		.start	= 0xfc808020,
+		.end	= 0xfc80808f,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		/* DMARSx */
+		.start	= 0xfc809000,
+		.end	= 0xfc80900b,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* Real DMA error IRQ is 38, and channel IRQs are 34-37, 44-45 */
+		.start	= 34,
+		.end	= 34,
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+	},
+};
+
+static struct resource sh7780_dmae1_resources[] = {
+	[0] = {
+		/* Channel registers and DMAOR */
+		.start	= 0xfc818020,
+		.end	= 0xfc81808f,
+		.flags	= IORESOURCE_MEM,
+	},
+	/* DMAC1 has no DMARS */
+	{
+		/* Real DMA error IRQ is 38, and channel IRQs are 46-47, 92-95 */
+		.start	= 46,
+		.end	= 46,
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+	},
+};
+
+static struct platform_device dma0_device = {
 	.name           = "sh-dma-engine",
-	.id             = -1,
+	.id             = 0,
+	.resource	= sh7780_dmae0_resources,
+	.num_resources	= ARRAY_SIZE(sh7780_dmae0_resources),
 	.dev            = {
-		.platform_data  = &dma_platform_data,
+		.platform_data	= &dma0_platform_data,
+	},
+};
+
+static struct platform_device dma1_device = {
+	.name		= "sh-dma-engine",
+	.id		= 1,
+	.resource	= sh7780_dmae1_resources,
+	.num_resources	= ARRAY_SIZE(sh7780_dmae1_resources),
+	.dev		= {
+		.platform_data	= &dma1_platform_data,
 	},
 };
 
@@ -269,7 +388,8 @@ static struct platform_device *sh7780_devices[] __initdata = {
 	&tmu4_device,
 	&tmu5_device,
 	&rtc_device,
-	&dma_device,
+	&dma0_device,
+	&dma1_device,
 };
 
 static int __init sh7780_devices_setup(void)
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
index 23448d8c6711..1fcd88b1671e 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7785.c
@@ -14,9 +14,12 @@
 #include <linux/io.h>
 #include <linux/mm.h>
 #include <linux/sh_timer.h>
-#include <asm/dma-sh.h>
+
+#include <asm/dmaengine.h>
 #include <asm/mmzone.h>
 
+#include <cpu/dma-register.h>
+
 static struct plat_sci_port scif0_platform_data = {
 	.mapbase	= 0xffea0000,
 	.flags		= UPF_BOOT_AUTOCONF,
@@ -295,15 +298,131 @@ static struct platform_device tmu5_device = {
 	.num_resources	= ARRAY_SIZE(tmu5_resources),
 };
 
-static struct sh_dmae_pdata dma_platform_data = {
-	.mode = (SHDMA_MIX_IRQ | SHDMA_DMAOR1),
+/* DMA */
+static struct sh_dmae_channel sh7785_dmae0_channels[] = {
+	{
+		.offset = 0,
+		.dmars = 0,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x10,
+		.dmars = 0,
+		.dmars_bit = 8,
+	}, {
+		.offset = 0x20,
+		.dmars = 4,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x30,
+		.dmars = 4,
+		.dmars_bit = 8,
+	}, {
+		.offset = 0x50,
+		.dmars = 8,
+		.dmars_bit = 0,
+	}, {
+		.offset = 0x60,
+		.dmars = 8,
+		.dmars_bit = 8,
+	}
+};
+
+static struct sh_dmae_channel sh7785_dmae1_channels[] = {
+	{
+		.offset = 0,
+	}, {
+		.offset = 0x10,
+	}, {
+		.offset = 0x20,
+	}, {
+		.offset = 0x30,
+	}, {
+		.offset = 0x50,
+	}, {
+		.offset = 0x60,
+	}
+};
+
+static unsigned int ts_shift[] = TS_SHIFT;
+
+static struct sh_dmae_pdata dma0_platform_data = {
+	.channel	= sh7785_dmae0_channels,
+	.channel_num	= ARRAY_SIZE(sh7785_dmae0_channels),
+	.ts_low_shift	= CHCR_TS_LOW_SHIFT,
+	.ts_low_mask	= CHCR_TS_LOW_MASK,
+	.ts_high_shift	= CHCR_TS_HIGH_SHIFT,
+	.ts_high_mask	= CHCR_TS_HIGH_MASK,
+	.ts_shift	= ts_shift,
+	.ts_shift_num	= ARRAY_SIZE(ts_shift),
+	.dmaor_init	= DMAOR_INIT,
+};
+
+static struct sh_dmae_pdata dma1_platform_data = {
+	.channel	= sh7785_dmae1_channels,
+	.channel_num	= ARRAY_SIZE(sh7785_dmae1_channels),
+	.ts_low_shift	= CHCR_TS_LOW_SHIFT,
+	.ts_low_mask	= CHCR_TS_LOW_MASK,
+	.ts_high_shift	= CHCR_TS_HIGH_SHIFT,
+	.ts_high_mask	= CHCR_TS_HIGH_MASK,
+	.ts_shift	= ts_shift,
+	.ts_shift_num	= ARRAY_SIZE(ts_shift),
+	.dmaor_init	= DMAOR_INIT,
 };
 
-static struct platform_device dma_device = {
+static struct resource sh7785_dmae0_resources[] = {
+	[0] = {
+		/* Channel registers and DMAOR */
+		.start	= 0xfc808020,
+		.end	= 0xfc80808f,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		/* DMARSx */
+		.start	= 0xfc809000,
+		.end	= 0xfc80900b,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		/* Real DMA error IRQ is 39, and channel IRQs are 33-38 */
+		.start	= 33,
+		.end	= 33,
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+	},
+};
+
+static struct resource sh7785_dmae1_resources[] = {
+	[0] = {
+		/* Channel registers and DMAOR */
+		.start	= 0xfcc08020,
+		.end	= 0xfcc0808f,
+		.flags	= IORESOURCE_MEM,
+	},
+	/* DMAC1 has no DMARS */
+	{
+		/* Real DMA error IRQ is 58, and channel IRQs are 52-57 */
+		.start	= 52,
+		.end	= 52,
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_SHAREABLE,
+	},
+};
+
+static struct platform_device dma0_device = {
 	.name           = "sh-dma-engine",
-	.id             = -1,
+	.id             = 0,
+	.resource	= sh7785_dmae0_resources,
+	.num_resources	= ARRAY_SIZE(sh7785_dmae0_resources),
 	.dev            = {
-		.platform_data  = &dma_platform_data,
+		.platform_data	= &dma0_platform_data,
+	},
+};
+
+static struct platform_device dma1_device = {
+	.name		= "sh-dma-engine",
+	.id		= 1,
+	.resource	= sh7785_dmae1_resources,
+	.num_resources	= ARRAY_SIZE(sh7785_dmae1_resources),
+	.dev		= {
+		.platform_data	= &dma1_platform_data,
 	},
 };
 
@@ -320,7 +439,8 @@ static struct platform_device *sh7785_devices[] __initdata = {
 	&tmu3_device,
 	&tmu4_device,
 	&tmu5_device,
-	&dma_device,
+	&dma0_device,
+	&dma1_device,
 };
 
 static int __init sh7785_devices_setup(void)
diff --git a/arch/sh/kernel/cpufreq.c b/arch/sh/kernel/cpufreq.c
index dce4f3ff0932..0fffacea6ed9 100644
--- a/arch/sh/kernel/cpufreq.c
+++ b/arch/sh/kernel/cpufreq.c
@@ -48,7 +48,7 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy,
 		return -ENODEV;
 
 	cpus_allowed = current->cpus_allowed;
-	set_cpus_allowed(current, cpumask_of_cpu(cpu));
+	set_cpus_allowed_ptr(current, cpumask_of(cpu));
 
 	BUG_ON(smp_processor_id() != cpu);
 
@@ -66,7 +66,7 @@ static int sh_cpufreq_target(struct cpufreq_policy *policy,
 	freqs.flags	= 0;
 
 	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
-	set_cpus_allowed(current, cpus_allowed);
+	set_cpus_allowed_ptr(current, &cpus_allowed);
 	clk_set_rate(cpuclk, freq);
 	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
 
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c
index bd1c497280a6..94739ee7aa74 100644
--- a/arch/sh/kernel/dwarf.c
+++ b/arch/sh/kernel/dwarf.c
@@ -727,7 +727,7 @@ static int dwarf_parse_cie(void *entry, void *p, unsigned long len,
 			   unsigned char *end, struct module *mod)
 {
 	struct rb_node **rb_node = &cie_root.rb_node;
-	struct rb_node *parent;
+	struct rb_node *parent = *rb_node;
 	struct dwarf_cie *cie;
 	unsigned long flags;
 	int count;
@@ -856,7 +856,7 @@ static int dwarf_parse_fde(void *entry, u32 entry_type,
 			   unsigned char *end, struct module *mod)
 {
 	struct rb_node **rb_node = &fde_root.rb_node;
-	struct rb_node *parent;
+	struct rb_node *parent = *rb_node;
 	struct dwarf_fde *fde;
 	struct dwarf_cie *cie;
 	unsigned long flags;
diff --git a/arch/sh/kernel/hw_breakpoint.c b/arch/sh/kernel/hw_breakpoint.c
index e2f1753d275c..675eea7785d9 100644
--- a/arch/sh/kernel/hw_breakpoint.c
+++ b/arch/sh/kernel/hw_breakpoint.c
@@ -143,26 +143,6 @@ static int arch_check_va_in_kernelspace(unsigned long va, u8 hbp_len)
 	return (va >= TASK_SIZE) && ((va + len - 1) >= TASK_SIZE);
 }
 
-/*
- * Store a breakpoint's encoded address, length, and type.
- */
-static int arch_store_info(struct perf_event *bp)
-{
-	struct arch_hw_breakpoint *info = counter_arch_bp(bp);
-
-	/*
-	 * User-space requests will always have the address field populated
-	 * For kernel-addresses, either the address or symbol name can be
-	 * specified.
-	 */
-	if (info->name)
-		info->address = (unsigned long)kallsyms_lookup_name(info->name);
-	if (info->address)
-		return 0;
-
-	return -EINVAL;
-}
-
 int arch_bp_generic_fields(int sh_len, int sh_type,
 			   int *gen_len, int *gen_type)
 {
@@ -276,10 +256,12 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp,
 		return ret;
 	}
 
-	ret = arch_store_info(bp);
-
-	if (ret < 0)
-		return ret;
+	/*
+	 * For kernel-addresses, either the address or symbol name can be
+	 * specified.
+	 */
+	if (info->name)
+		info->address = (unsigned long)kallsyms_lookup_name(info->name);
 
 	/*
 	 * Check that the low-order bits of the address are appropriate
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c
index 0fd7b41f0a22..273f890b17ae 100644
--- a/arch/sh/kernel/idle.c
+++ b/arch/sh/kernel/idle.c
@@ -112,7 +112,7 @@ void cpu_idle(void)
 	}
 }
 
-void __cpuinit select_idle_routine(void)
+void __init select_idle_routine(void)
 {
 	/*
 	 * If a platform has set its own idle routine, leave it alone.
diff --git a/arch/sh/kernel/perf_event.c b/arch/sh/kernel/perf_event.c
index 7ff0943e7a08..81b6de41ae5d 100644
--- a/arch/sh/kernel/perf_event.c
+++ b/arch/sh/kernel/perf_event.c
@@ -275,13 +275,30 @@ const struct pmu *hw_perf_event_init(struct perf_event *event)
 	return &pmu;
 }
 
-void hw_perf_event_setup(int cpu)
+static void sh_pmu_setup(int cpu)
 {
 	struct cpu_hw_events *cpuhw = &per_cpu(cpu_hw_events, cpu);
 
 	memset(cpuhw, 0, sizeof(struct cpu_hw_events));
 }
 
+static int __cpuinit
+sh_pmu_notifier(struct notifier_block *self, unsigned long action, void *hcpu)
+{
+	unsigned int cpu = (long)hcpu;
+
+	switch (action & ~CPU_TASKS_FROZEN) {
+	case CPU_UP_PREPARE:
+		sh_pmu_setup(cpu);
+		break;
+
+	default:
+		break;
+	}
+
+	return NOTIFY_OK;
+}
+
 void hw_perf_enable(void)
 {
 	if (!sh_pmu_initialized())
@@ -298,7 +315,7 @@ void hw_perf_disable(void)
 	sh_pmu->disable_all();
 }
 
-int register_sh_pmu(struct sh_pmu *pmu)
+int __cpuinit register_sh_pmu(struct sh_pmu *pmu)
 {
 	if (sh_pmu)
 		return -EBUSY;
@@ -308,5 +325,6 @@ int register_sh_pmu(struct sh_pmu *pmu)
 
 	WARN_ON(pmu->num_events > MAX_HWEVENTS);
 
+	perf_cpu_notifier(sh_pmu_notifier);
 	return 0;
 }
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index c90957a459ac..c0d40f671ecd 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -504,13 +504,6 @@ out:
 	return error;
 }
 
-/*
- * These bracket the sleeping functions..
- */
-extern void interruptible_sleep_on(wait_queue_head_t *q);
-
-#define mid_sched	((unsigned long) interruptible_sleep_on)
-
 #ifdef CONFIG_FRAME_POINTER
 static int in_sh64_switch_to(unsigned long pc)
 {
diff --git a/arch/sh/kernel/return_address.c b/arch/sh/kernel/return_address.c
index df3ab5811074..cbf1dd5372b2 100644
--- a/arch/sh/kernel/return_address.c
+++ b/arch/sh/kernel/return_address.c
@@ -9,6 +9,7 @@
  * for more details.
  */
 #include <linux/kernel.h>
+#include <linux/module.h>
 #include <asm/dwarf.h>
 
 #ifdef CONFIG_DWARF_UNWINDER
@@ -52,3 +53,5 @@ void *return_address(unsigned int depth)
 }
 
 #endif
+
+EXPORT_SYMBOL_GPL(return_address);
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 3459e70eed72..8870d6ba64bf 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -443,7 +443,7 @@ void __init setup_arch(char **cmdline_p)
 
 	nodes_clear(node_online_map);
 
-	/* Setup bootmem with available RAM */
+	pmb_init();
 	lmb_init();
 	setup_memory();
 	sparse_init();
@@ -452,7 +452,6 @@ void __init setup_arch(char **cmdline_p)
 	conswitchp = &dummy_con;
 #endif
 	paging_init();
-	pmb_init();
 
 	ioremap_fixed_init();
 
diff --git a/arch/sh/kernel/smp.c b/arch/sh/kernel/smp.c
index e124cf7008df..002cc612deef 100644
--- a/arch/sh/kernel/smp.c
+++ b/arch/sh/kernel/smp.c
@@ -69,6 +69,7 @@ asmlinkage void __cpuinit start_secondary(void)
 	unsigned int cpu;
 	struct mm_struct *mm = &init_mm;
 
+	enable_mmu();
 	atomic_inc(&mm->mm_count);
 	atomic_inc(&mm->mm_users);
 	current->active_mm = mm;
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c
index 71399cde03b5..81f58371613d 100644
--- a/arch/sh/kernel/sys_sh.c
+++ b/arch/sh/kernel/sys_sh.c
@@ -53,110 +53,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
 	return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
 }
 
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc(uint call, int first, int second,
-		       int third, void __user *ptr, long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	if (call <= SEMTIMEDOP)
-		switch (call) {
-		case SEMOP:
-			return sys_semtimedop(first,
-					      (struct sembuf __user *)ptr,
-					      second, NULL);
-		case SEMTIMEDOP:
-			return sys_semtimedop(first,
-				(struct sembuf __user *)ptr, second,
-			        (const struct timespec __user *)fifth);
-		case SEMGET:
-			return sys_semget (first, second, third);
-		case SEMCTL: {
-			union semun fourth;
-			if (!ptr)
-				return -EINVAL;
-			if (get_user(fourth.__pad, (void __user * __user *) ptr))
-				return -EFAULT;
-			return sys_semctl (first, second, third, fourth);
-			}
-		default:
-			return -EINVAL;
-		}
-
-	if (call <= MSGCTL)
-		switch (call) {
-		case MSGSND:
-			return sys_msgsnd (first, (struct msgbuf __user *) ptr,
-					  second, third);
-		case MSGRCV:
-			switch (version) {
-			case 0:
-			{
-				struct ipc_kludge tmp;
-
-				if (!ptr)
-					return -EINVAL;
-
-				if (copy_from_user(&tmp,
-					(struct ipc_kludge __user *) ptr,
-						   sizeof (tmp)))
-					return -EFAULT;
-
-				return sys_msgrcv (first, tmp.msgp, second,
-						   tmp.msgtyp, third);
-			}
-			default:
-				return sys_msgrcv (first,
-						   (struct msgbuf __user *) ptr,
-						   second, fifth, third);
-			}
-		case MSGGET:
-			return sys_msgget ((key_t) first, second);
-		case MSGCTL:
-			return sys_msgctl (first, second,
-					   (struct msqid_ds __user *) ptr);
-		default:
-			return -EINVAL;
-		}
-	if (call <= SHMCTL)
-		switch (call) {
-		case SHMAT:
-			switch (version) {
-			default: {
-				ulong raddr;
-				ret = do_shmat (first, (char __user *) ptr,
-						 second, &raddr);
-				if (ret)
-					return ret;
-				return put_user (raddr, (ulong __user *) third);
-			}
-			case 1:	/* iBCS2 emulator entry point */
-				if (!segment_eq(get_fs(), get_ds()))
-					return -EINVAL;
-				return do_shmat (first, (char __user *) ptr,
-						  second, (ulong *) third);
-			}
-		case SHMDT:
-			return sys_shmdt ((char __user *)ptr);
-		case SHMGET:
-			return sys_shmget (first, second, third);
-		case SHMCTL:
-			return sys_shmctl (first, second,
-					   (struct shmid_ds __user *) ptr);
-		default:
-			return -EINVAL;
-		}
-
-	return -EINVAL;
-}
-
 /* sys_cacheflush -- flush (part of) the processor cache.  */
 asmlinkage int sys_cacheflush(unsigned long addr, unsigned long len, int op)
 {
@@ -197,14 +93,3 @@ asmlinkage int sys_cacheflush(unsigned long addr, unsigned long len, int op)
 	up_read(&current->mm->mmap_sem);
 	return 0;
 }
-
-asmlinkage int sys_uname(struct old_utsname __user *name)
-{
-	int err;
-	if (!name)
-		return -EFAULT;
-	down_read(&uts_sem);
-	err = copy_to_user(name, utsname(), sizeof(*name));
-	up_read(&uts_sem);
-	return err?-EFAULT:0;
-}
diff --git a/arch/sh/kernel/time.c b/arch/sh/kernel/time.c
index 953fa1613312..8a0072de2bcc 100644
--- a/arch/sh/kernel/time.c
+++ b/arch/sh/kernel/time.c
@@ -39,12 +39,12 @@ static int null_rtc_set_time(const time_t secs)
 void (*rtc_sh_get_time)(struct timespec *) = null_rtc_get_time;
 int (*rtc_sh_set_time)(const time_t) = null_rtc_set_time;
 
-#ifdef CONFIG_GENERIC_CMOS_UPDATE
 void read_persistent_clock(struct timespec *ts)
 {
 	rtc_sh_get_time(ts);
 }
 
+#ifdef CONFIG_GENERIC_CMOS_UPDATE
 int update_persistent_clock(struct timespec now)
 {
 	return rtc_sh_set_time(now.tv_sec);
@@ -113,9 +113,5 @@ void __init time_init(void)
 	hwblk_init();
 	clk_init();
 
-	rtc_sh_get_time(&xtime);
-	set_normalized_timespec(&wall_to_monotonic,
-				-xtime.tv_sec, -xtime.tv_nsec);
-
 	late_time_init = sh_late_time_init;
 }
diff --git a/arch/sh/lib/libgcc.h b/arch/sh/lib/libgcc.h
index 3f19d1c5d942..05909d58e2fe 100644
--- a/arch/sh/lib/libgcc.h
+++ b/arch/sh/lib/libgcc.h
@@ -17,8 +17,7 @@ struct DWstruct {
 #error I feel sick.
 #endif
 
-typedef union
-{
+typedef union {
 	struct DWstruct s;
 	long long ll;
 } DWunion;
diff --git a/arch/sh/mm/ioremap.c b/arch/sh/mm/ioremap.c
index c68d2d7d00a9..1ab2385ecefe 100644
--- a/arch/sh/mm/ioremap.c
+++ b/arch/sh/mm/ioremap.c
@@ -34,11 +34,12 @@
  * caller shouldn't need to know that small detail.
  */
 void __iomem * __init_refok
-__ioremap_caller(unsigned long phys_addr, unsigned long size,
+__ioremap_caller(phys_addr_t phys_addr, unsigned long size,
 		 pgprot_t pgprot, void *caller)
 {
 	struct vm_struct *area;
 	unsigned long offset, last_addr, addr, orig_addr;
+	void __iomem *mapped;
 
 	/* Don't allow wraparound or zero size */
 	last_addr = phys_addr + size - 1;
@@ -46,6 +47,20 @@ __ioremap_caller(unsigned long phys_addr, unsigned long size,
 		return NULL;
 
 	/*
+	 * If we can't yet use the regular approach, go the fixmap route.
+	 */
+	if (!mem_init_done)
+		return ioremap_fixed(phys_addr, size, pgprot);
+
+	/*
+	 * First try to remap through the PMB.
+	 * PMB entries are all pre-faulted.
+	 */
+	mapped = pmb_remap_caller(phys_addr, size, pgprot, caller);
+	if (mapped && !IS_ERR(mapped))
+		return mapped;
+
+	/*
 	 * Mappings have to be page-aligned
 	 */
 	offset = phys_addr & ~PAGE_MASK;
@@ -53,12 +68,6 @@ __ioremap_caller(unsigned long phys_addr, unsigned long size,
 	size = PAGE_ALIGN(last_addr+1) - phys_addr;
 
 	/*
-	 * If we can't yet use the regular approach, go the fixmap route.
-	 */
-	if (!mem_init_done)
-		return ioremap_fixed(phys_addr, offset, size, pgprot);
-
-	/*
 	 * Ok, go for it..
 	 */
 	area = get_vm_area_caller(size, VM_IOREMAP, caller);
@@ -67,33 +76,10 @@ __ioremap_caller(unsigned long phys_addr, unsigned long size,
 	area->phys_addr = phys_addr;
 	orig_addr = addr = (unsigned long)area->addr;
 
-#ifdef CONFIG_PMB
-	/*
-	 * First try to remap through the PMB once a valid VMA has been
-	 * established. Smaller allocations (or the rest of the size
-	 * remaining after a PMB mapping due to the size not being
-	 * perfectly aligned on a PMB size boundary) are then mapped
-	 * through the UTLB using conventional page tables.
-	 *
-	 * PMB entries are all pre-faulted.
-	 */
-	if (unlikely(phys_addr >= P1SEG)) {
-		unsigned long mapped;
-
-		mapped = pmb_remap(addr, phys_addr, size, pgprot);
-		if (likely(mapped)) {
-			addr		+= mapped;
-			phys_addr	+= mapped;
-			size		-= mapped;
-		}
+	if (ioremap_page_range(addr, addr + size, phys_addr, pgprot)) {
+		vunmap((void *)orig_addr);
+		return NULL;
 	}
-#endif
-
-	if (likely(size))
-		if (ioremap_page_range(addr, addr + size, phys_addr, pgprot)) {
-			vunmap((void *)orig_addr);
-			return NULL;
-		}
 
 	return (void __iomem *)(offset + (char *)orig_addr);
 }
@@ -133,23 +119,11 @@ void __iounmap(void __iomem *addr)
 	if (iounmap_fixed(addr) == 0)
 		return;
 
-#ifdef CONFIG_PMB
 	/*
-	 * Purge any PMB entries that may have been established for this
-	 * mapping, then proceed with conventional VMA teardown.
-	 *
-	 * XXX: Note that due to the way that remove_vm_area() does
-	 * matching of the resultant VMA, we aren't able to fast-forward
-	 * the address past the PMB space until the end of the VMA where
-	 * the page tables reside. As such, unmap_vm_area() will be
-	 * forced to linearly scan over the area until it finds the page
-	 * tables where PTEs that need to be unmapped actually reside,
-	 * which is far from optimal. Perhaps we need to use a separate
-	 * VMA for the PMB mappings?
-	 *					-- PFM.
+	 * If the PMB handled it, there's nothing else to do.
 	 */
-	pmb_unmap(vaddr);
-#endif
+	if (pmb_unmap(addr) == 0)
+		return;
 
 	p = remove_vm_area((void *)(vaddr & PAGE_MASK));
 	if (!p) {
diff --git a/arch/sh/mm/ioremap_fixed.c b/arch/sh/mm/ioremap_fixed.c
index 0b78b1e20ef1..7f682e5dafcf 100644
--- a/arch/sh/mm/ioremap_fixed.c
+++ b/arch/sh/mm/ioremap_fixed.c
@@ -45,14 +45,21 @@ void __init ioremap_fixed_init(void)
 }
 
 void __init __iomem *
-ioremap_fixed(resource_size_t phys_addr, unsigned long offset,
-	      unsigned long size, pgprot_t prot)
+ioremap_fixed(phys_addr_t phys_addr, unsigned long size, pgprot_t prot)
 {
 	enum fixed_addresses idx0, idx;
 	struct ioremap_map *map;
 	unsigned int nrpages;
+	unsigned long offset;
 	int i, slot;
 
+	/*
+	 * Mappings have to be page-aligned
+	 */
+	offset = phys_addr & ~PAGE_MASK;
+	phys_addr &= PAGE_MASK;
+	size = PAGE_ALIGN(phys_addr + size) - phys_addr;
+
 	slot = -1;
 	for (i = 0; i < FIX_N_IOREMAPS; i++) {
 		map = &ioremap_maps[i];
diff --git a/arch/sh/mm/numa.c b/arch/sh/mm/numa.c
index 422e92721878..961b34085e3b 100644
--- a/arch/sh/mm/numa.c
+++ b/arch/sh/mm/numa.c
@@ -74,6 +74,9 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
 	start_pfn = start >> PAGE_SHIFT;
 	end_pfn = end >> PAGE_SHIFT;
 
+	pmb_bolt_mapping((unsigned long)__va(start), start, end - start,
+			 PAGE_KERNEL);
+
 	lmb_add(start, end - start);
 
 	__add_active_range(nid, start_pfn, end_pfn);
diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c
index 198bcff5e96f..3cc21933063b 100644
--- a/arch/sh/mm/pmb.c
+++ b/arch/sh/mm/pmb.c
@@ -23,7 +23,8 @@
 #include <linux/err.h>
 #include <linux/io.h>
 #include <linux/spinlock.h>
-#include <linux/rwlock.h>
+#include <linux/vmalloc.h>
+#include <asm/cacheflush.h>
 #include <asm/sizes.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
@@ -52,12 +53,24 @@ struct pmb_entry {
 	struct pmb_entry *link;
 };
 
+static struct {
+	unsigned long size;
+	int flag;
+} pmb_sizes[] = {
+	{ .size	= SZ_512M, .flag = PMB_SZ_512M, },
+	{ .size = SZ_128M, .flag = PMB_SZ_128M, },
+	{ .size = SZ_64M,  .flag = PMB_SZ_64M,  },
+	{ .size = SZ_16M,  .flag = PMB_SZ_16M,  },
+};
+
 static void pmb_unmap_entry(struct pmb_entry *, int depth);
 
 static DEFINE_RWLOCK(pmb_rwlock);
 static struct pmb_entry pmb_entry_list[NR_PMB_ENTRIES];
 static DECLARE_BITMAP(pmb_map, NR_PMB_ENTRIES);
 
+static unsigned int pmb_iomapping_enabled;
+
 static __always_inline unsigned long mk_pmb_entry(unsigned int entry)
 {
 	return (entry & PMB_E_MASK) << PMB_E_SHIFT;
@@ -73,6 +86,142 @@ static __always_inline unsigned long mk_pmb_data(unsigned int entry)
 	return mk_pmb_entry(entry) | PMB_DATA;
 }
 
+static __always_inline unsigned int pmb_ppn_in_range(unsigned long ppn)
+{
+	return ppn >= __pa(memory_start) && ppn < __pa(memory_end);
+}
+
+/*
+ * Ensure that the PMB entries match our cache configuration.
+ *
+ * When we are in 32-bit address extended mode, CCR.CB becomes
+ * invalid, so care must be taken to manually adjust cacheable
+ * translations.
+ */
+static __always_inline unsigned long pmb_cache_flags(void)
+{
+	unsigned long flags = 0;
+
+#if defined(CONFIG_CACHE_OFF)
+	flags |= PMB_WT | PMB_UB;
+#elif defined(CONFIG_CACHE_WRITETHROUGH)
+	flags |= PMB_C | PMB_WT | PMB_UB;
+#elif defined(CONFIG_CACHE_WRITEBACK)
+	flags |= PMB_C;
+#endif
+
+	return flags;
+}
+
+/*
+ * Convert typical pgprot value to the PMB equivalent
+ */
+static inline unsigned long pgprot_to_pmb_flags(pgprot_t prot)
+{
+	unsigned long pmb_flags = 0;
+	u64 flags = pgprot_val(prot);
+
+	if (flags & _PAGE_CACHABLE)
+		pmb_flags |= PMB_C;
+	if (flags & _PAGE_WT)
+		pmb_flags |= PMB_WT | PMB_UB;
+
+	return pmb_flags;
+}
+
+static inline bool pmb_can_merge(struct pmb_entry *a, struct pmb_entry *b)
+{
+	return (b->vpn == (a->vpn + a->size)) &&
+	       (b->ppn == (a->ppn + a->size)) &&
+	       (b->flags == a->flags);
+}
+
+static bool pmb_mapping_exists(unsigned long vaddr, phys_addr_t phys,
+			       unsigned long size)
+{
+	int i;
+
+	read_lock(&pmb_rwlock);
+
+	for (i = 0; i < ARRAY_SIZE(pmb_entry_list); i++) {
+		struct pmb_entry *pmbe, *iter;
+		unsigned long span;
+
+		if (!test_bit(i, pmb_map))
+			continue;
+
+		pmbe = &pmb_entry_list[i];
+
+		/*
+		 * See if VPN and PPN are bounded by an existing mapping.
+		 */
+		if ((vaddr < pmbe->vpn) || (vaddr >= (pmbe->vpn + pmbe->size)))
+			continue;
+		if ((phys < pmbe->ppn) || (phys >= (pmbe->ppn + pmbe->size)))
+			continue;
+
+		/*
+		 * Now see if we're in range of a simple mapping.
+		 */
+		if (size <= pmbe->size) {
+			read_unlock(&pmb_rwlock);
+			return true;
+		}
+
+		span = pmbe->size;
+
+		/*
+		 * Finally for sizes that involve compound mappings, walk
+		 * the chain.
+		 */
+		for (iter = pmbe->link; iter; iter = iter->link)
+			span += iter->size;
+
+		/*
+		 * Nothing else to do if the range requirements are met.
+		 */
+		if (size <= span) {
+			read_unlock(&pmb_rwlock);
+			return true;
+		}
+	}
+
+	read_unlock(&pmb_rwlock);
+	return false;
+}
+
+static bool pmb_size_valid(unsigned long size)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(pmb_sizes); i++)
+		if (pmb_sizes[i].size == size)
+			return true;
+
+	return false;
+}
+
+static inline bool pmb_addr_valid(unsigned long addr, unsigned long size)
+{
+	return (addr >= P1SEG && (addr + size - 1) < P3SEG);
+}
+
+static inline bool pmb_prot_valid(pgprot_t prot)
+{
+	return (pgprot_val(prot) & _PAGE_USER) == 0;
+}
+
+static int pmb_size_to_flags(unsigned long size)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(pmb_sizes); i++)
+		if (pmb_sizes[i].size == size)
+			return pmb_sizes[i].flag;
+
+	return 0;
+}
+
 static int pmb_alloc_entry(void)
 {
 	int pos;
@@ -140,33 +289,22 @@ static void pmb_free(struct pmb_entry *pmbe)
 }
 
 /*
- * Ensure that the PMB entries match our cache configuration.
- *
- * When we are in 32-bit address extended mode, CCR.CB becomes
- * invalid, so care must be taken to manually adjust cacheable
- * translations.
+ * Must be run uncached.
  */
-static __always_inline unsigned long pmb_cache_flags(void)
+static void __set_pmb_entry(struct pmb_entry *pmbe)
 {
-	unsigned long flags = 0;
+	unsigned long addr, data;
 
-#if defined(CONFIG_CACHE_WRITETHROUGH)
-	flags |= PMB_C | PMB_WT | PMB_UB;
-#elif defined(CONFIG_CACHE_WRITEBACK)
-	flags |= PMB_C;
-#endif
+	addr = mk_pmb_addr(pmbe->entry);
+	data = mk_pmb_data(pmbe->entry);
 
-	return flags;
-}
+	jump_to_uncached();
 
-/*
- * Must be run uncached.
- */
-static void __set_pmb_entry(struct pmb_entry *pmbe)
-{
-	writel_uncached(pmbe->vpn | PMB_V, mk_pmb_addr(pmbe->entry));
-	writel_uncached(pmbe->ppn | pmbe->flags | PMB_V,
-			mk_pmb_data(pmbe->entry));
+	/* Set V-bit */
+	__raw_writel(pmbe->vpn | PMB_V, addr);
+	__raw_writel(pmbe->ppn | pmbe->flags | PMB_V, data);
+
+	back_to_cached();
 }
 
 static void __clear_pmb_entry(struct pmb_entry *pmbe)
@@ -185,6 +323,7 @@ static void __clear_pmb_entry(struct pmb_entry *pmbe)
 	writel_uncached(data_val & ~PMB_V, data);
 }
 
+#ifdef CONFIG_PM
 static void set_pmb_entry(struct pmb_entry *pmbe)
 {
 	unsigned long flags;
@@ -193,145 +332,157 @@ static void set_pmb_entry(struct pmb_entry *pmbe)
 	__set_pmb_entry(pmbe);
 	spin_unlock_irqrestore(&pmbe->lock, flags);
 }
+#endif /* CONFIG_PM */
 
-static struct {
-	unsigned long size;
-	int flag;
-} pmb_sizes[] = {
-	{ .size	= SZ_512M, .flag = PMB_SZ_512M, },
-	{ .size = SZ_128M, .flag = PMB_SZ_128M, },
-	{ .size = SZ_64M,  .flag = PMB_SZ_64M,  },
-	{ .size = SZ_16M,  .flag = PMB_SZ_16M,  },
-};
-
-long pmb_remap(unsigned long vaddr, unsigned long phys,
-	       unsigned long size, pgprot_t prot)
+int pmb_bolt_mapping(unsigned long vaddr, phys_addr_t phys,
+		     unsigned long size, pgprot_t prot)
 {
 	struct pmb_entry *pmbp, *pmbe;
-	unsigned long wanted;
-	int pmb_flags, i;
-	long err;
-	u64 flags;
-
-	flags = pgprot_val(prot);
+	unsigned long orig_addr, orig_size;
+	unsigned long flags, pmb_flags;
+	int i, mapped;
 
-	pmb_flags = PMB_WT | PMB_UB;
+	if (!pmb_addr_valid(vaddr, size))
+		return -EFAULT;
+	if (pmb_mapping_exists(vaddr, phys, size))
+		return 0;
 
-	/* Convert typical pgprot value to the PMB equivalent */
-	if (flags & _PAGE_CACHABLE) {
-		pmb_flags |= PMB_C;
+	orig_addr = vaddr;
+	orig_size = size;
 
-		if ((flags & _PAGE_WT) == 0)
-			pmb_flags &= ~(PMB_WT | PMB_UB);
-	}
+	flush_tlb_kernel_range(vaddr, vaddr + size);
 
+	pmb_flags = pgprot_to_pmb_flags(prot);
 	pmbp = NULL;
-	wanted = size;
 
-again:
-	for (i = 0; i < ARRAY_SIZE(pmb_sizes); i++) {
-		unsigned long flags;
+	do {
+		for (i = mapped = 0; i < ARRAY_SIZE(pmb_sizes); i++) {
+			if (size < pmb_sizes[i].size)
+				continue;
+
+			pmbe = pmb_alloc(vaddr, phys, pmb_flags |
+					 pmb_sizes[i].flag, PMB_NO_ENTRY);
+			if (IS_ERR(pmbe)) {
+				pmb_unmap_entry(pmbp, mapped);
+				return PTR_ERR(pmbe);
+			}
 
-		if (size < pmb_sizes[i].size)
-			continue;
+			spin_lock_irqsave(&pmbe->lock, flags);
 
-		pmbe = pmb_alloc(vaddr, phys, pmb_flags | pmb_sizes[i].flag,
-				 PMB_NO_ENTRY);
-		if (IS_ERR(pmbe)) {
-			err = PTR_ERR(pmbe);
-			goto out;
-		}
+			pmbe->size = pmb_sizes[i].size;
 
-		spin_lock_irqsave(&pmbe->lock, flags);
+			__set_pmb_entry(pmbe);
 
-		__set_pmb_entry(pmbe);
+			phys	+= pmbe->size;
+			vaddr	+= pmbe->size;
+			size	-= pmbe->size;
 
-		phys	+= pmb_sizes[i].size;
-		vaddr	+= pmb_sizes[i].size;
-		size	-= pmb_sizes[i].size;
+			/*
+			 * Link adjacent entries that span multiple PMB
+			 * entries for easier tear-down.
+			 */
+			if (likely(pmbp)) {
+				spin_lock(&pmbp->lock);
+				pmbp->link = pmbe;
+				spin_unlock(&pmbp->lock);
+			}
 
-		pmbe->size = pmb_sizes[i].size;
+			pmbp = pmbe;
 
-		/*
-		 * Link adjacent entries that span multiple PMB entries
-		 * for easier tear-down.
-		 */
-		if (likely(pmbp)) {
-			spin_lock(&pmbp->lock);
-			pmbp->link = pmbe;
-			spin_unlock(&pmbp->lock);
+			/*
+			 * Instead of trying smaller sizes on every
+			 * iteration (even if we succeed in allocating
+			 * space), try using pmb_sizes[i].size again.
+			 */
+			i--;
+			mapped++;
+
+			spin_unlock_irqrestore(&pmbe->lock, flags);
 		}
+	} while (size >= SZ_16M);
 
-		pmbp = pmbe;
+	flush_cache_vmap(orig_addr, orig_addr + orig_size);
 
-		/*
-		 * Instead of trying smaller sizes on every iteration
-		 * (even if we succeed in allocating space), try using
-		 * pmb_sizes[i].size again.
-		 */
-		i--;
+	return 0;
+}
 
-		spin_unlock_irqrestore(&pmbe->lock, flags);
-	}
+void __iomem *pmb_remap_caller(phys_addr_t phys, unsigned long size,
+			       pgprot_t prot, void *caller)
+{
+	unsigned long vaddr;
+	phys_addr_t offset, last_addr;
+	phys_addr_t align_mask;
+	unsigned long aligned;
+	struct vm_struct *area;
+	int i, ret;
 
-	if (size >= SZ_16M)
-		goto again;
+	if (!pmb_iomapping_enabled)
+		return NULL;
 
-	return wanted - size;
+	/*
+	 * Small mappings need to go through the TLB.
+	 */
+	if (size < SZ_16M)
+		return ERR_PTR(-EINVAL);
+	if (!pmb_prot_valid(prot))
+		return ERR_PTR(-EINVAL);
 
-out:
-	pmb_unmap_entry(pmbp, NR_PMB_ENTRIES);
+	for (i = 0; i < ARRAY_SIZE(pmb_sizes); i++)
+		if (size >= pmb_sizes[i].size)
+			break;
+
+	last_addr = phys + size;
+	align_mask = ~(pmb_sizes[i].size - 1);
+	offset = phys & ~align_mask;
+	phys &= align_mask;
+	aligned = ALIGN(last_addr, pmb_sizes[i].size) - phys;
+
+	/*
+	 * XXX: This should really start from uncached_end, but this
+	 * causes the MMU to reset, so for now we restrict it to the
+	 * 0xb000...0xc000 range.
+	 */
+	area = __get_vm_area_caller(aligned, VM_IOREMAP, 0xb0000000,
+				    P3SEG, caller);
+	if (!area)
+		return NULL;
+
+	area->phys_addr = phys;
+	vaddr = (unsigned long)area->addr;
 
-	return err;
+	ret = pmb_bolt_mapping(vaddr, phys, size, prot);
+	if (unlikely(ret != 0))
+		return ERR_PTR(ret);
+
+	return (void __iomem *)(offset + (char *)vaddr);
 }
 
-void pmb_unmap(unsigned long addr)
+int pmb_unmap(void __iomem *addr)
 {
 	struct pmb_entry *pmbe = NULL;
-	int i;
+	unsigned long vaddr = (unsigned long __force)addr;
+	int i, found = 0;
 
 	read_lock(&pmb_rwlock);
 
 	for (i = 0; i < ARRAY_SIZE(pmb_entry_list); i++) {
 		if (test_bit(i, pmb_map)) {
 			pmbe = &pmb_entry_list[i];
-			if (pmbe->vpn == addr)
+			if (pmbe->vpn == vaddr) {
+				found = 1;
 				break;
+			}
 		}
 	}
 
 	read_unlock(&pmb_rwlock);
 
-	pmb_unmap_entry(pmbe, NR_PMB_ENTRIES);
-}
-
-static bool pmb_can_merge(struct pmb_entry *a, struct pmb_entry *b)
-{
-	return (b->vpn == (a->vpn + a->size)) &&
-	       (b->ppn == (a->ppn + a->size)) &&
-	       (b->flags == a->flags);
-}
-
-static bool pmb_size_valid(unsigned long size)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(pmb_sizes); i++)
-		if (pmb_sizes[i].size == size)
-			return true;
-
-	return false;
-}
-
-static int pmb_size_to_flags(unsigned long size)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(pmb_sizes); i++)
-		if (pmb_sizes[i].size == size)
-			return pmb_sizes[i].flag;
+	if (found) {
+		pmb_unmap_entry(pmbe, NR_PMB_ENTRIES);
+		return 0;
+	}
 
-	return 0;
+	return -EINVAL;
 }
 
 static void __pmb_unmap_entry(struct pmb_entry *pmbe, int depth)
@@ -351,6 +502,8 @@ static void __pmb_unmap_entry(struct pmb_entry *pmbe, int depth)
 		 */
 		__clear_pmb_entry(pmbe);
 
+		flush_cache_vunmap(pmbe->vpn, pmbe->vpn + pmbe->size);
+
 		pmbe = pmblink->link;
 
 		pmb_free(pmblink);
@@ -369,11 +522,6 @@ static void pmb_unmap_entry(struct pmb_entry *pmbe, int depth)
 	write_unlock_irqrestore(&pmb_rwlock, flags);
 }
 
-static __always_inline unsigned int pmb_ppn_in_range(unsigned long ppn)
-{
-	return ppn >= __pa(memory_start) && ppn < __pa(memory_end);
-}
-
 static void __init pmb_notify(void)
 {
 	int i;
@@ -625,6 +773,18 @@ static void __init pmb_resize(void)
 }
 #endif
 
+static int __init early_pmb(char *p)
+{
+	if (!p)
+		return 0;
+
+	if (strstr(p, "iomap"))
+		pmb_iomapping_enabled = 1;
+
+	return 0;
+}
+early_param("pmb", early_pmb);
+
 void __init pmb_init(void)
 {
 	/* Synchronize software state */
@@ -644,7 +804,7 @@ void __init pmb_init(void)
 	writel_uncached(0, PMB_IRMCR);
 
 	/* Flush out the TLB */
-	__raw_writel(__raw_readl(MMUCR) | MMUCR_TI, MMUCR);
+	local_flush_tlb_all();
 	ctrl_barrier();
 }
 
@@ -713,7 +873,7 @@ static int __init pmb_debugfs_init(void)
 
 	return 0;
 }
-postcore_initcall(pmb_debugfs_init);
+subsys_initcall(pmb_debugfs_init);
 
 #ifdef CONFIG_PM
 static int pmb_sysdev_suspend(struct sys_device *dev, pm_message_t state)
diff --git a/arch/sh/mm/tlb-pteaex.c b/arch/sh/mm/tlb-pteaex.c
index 32dc674c550c..b71db6af8060 100644
--- a/arch/sh/mm/tlb-pteaex.c
+++ b/arch/sh/mm/tlb-pteaex.c
@@ -73,5 +73,35 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page)
 	jump_to_uncached();
 	__raw_writel(page, MMU_UTLB_ADDRESS_ARRAY | MMU_PAGE_ASSOC_BIT);
 	__raw_writel(asid, MMU_UTLB_ADDRESS_ARRAY2 | MMU_PAGE_ASSOC_BIT);
+	__raw_writel(page, MMU_ITLB_ADDRESS_ARRAY | MMU_PAGE_ASSOC_BIT);
+	__raw_writel(asid, MMU_ITLB_ADDRESS_ARRAY2 | MMU_PAGE_ASSOC_BIT);
 	back_to_cached();
 }
+
+void local_flush_tlb_all(void)
+{
+	unsigned long flags, status;
+	int i;
+
+	/*
+	 * Flush all the TLB.
+	 */
+	local_irq_save(flags);
+	jump_to_uncached();
+
+	status = __raw_readl(MMUCR);
+	status = ((status & MMUCR_URB) >> MMUCR_URB_SHIFT);
+
+	if (status == 0)
+		status = MMUCR_URB_NENTRIES;
+
+	for (i = 0; i < status; i++)
+		__raw_writel(0x0, MMU_UTLB_ADDRESS_ARRAY | (i << 8));
+
+	for (i = 0; i < 4; i++)
+		__raw_writel(0x0, MMU_ITLB_ADDRESS_ARRAY | (i << 8));
+
+	back_to_cached();
+	ctrl_barrier();
+	local_irq_restore(flags);
+}
diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c
index 4f5f7cbdd508..7a940dbfc2e9 100644
--- a/arch/sh/mm/tlb-sh3.c
+++ b/arch/sh/mm/tlb-sh3.c
@@ -77,3 +77,22 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page)
 	for (i = 0; i < ways; i++)
 		__raw_writel(data, addr + (i << 8));
 }
+
+void local_flush_tlb_all(void)
+{
+	unsigned long flags, status;
+
+	/*
+	 * Flush all the TLB.
+	 *
+	 * Write to the MMU control register's bit:
+	 *	TF-bit for SH-3, TI-bit for SH-4.
+	 *      It's same position, bit #2.
+	 */
+	local_irq_save(flags);
+	status = __raw_readl(MMUCR);
+	status |= 0x04;
+	__raw_writel(status, MMUCR);
+	ctrl_barrier();
+	local_irq_restore(flags);
+}
diff --git a/arch/sh/mm/tlb-sh4.c b/arch/sh/mm/tlb-sh4.c
index ccac77f504a8..cfdf7930d294 100644
--- a/arch/sh/mm/tlb-sh4.c
+++ b/arch/sh/mm/tlb-sh4.c
@@ -80,3 +80,31 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page)
 	__raw_writel(data, addr);
 	back_to_cached();
 }
+
+void local_flush_tlb_all(void)
+{
+	unsigned long flags, status;
+	int i;
+
+	/*
+	 * Flush all the TLB.
+	 */
+	local_irq_save(flags);
+	jump_to_uncached();
+
+	status = __raw_readl(MMUCR);
+	status = ((status & MMUCR_URB) >> MMUCR_URB_SHIFT);
+
+	if (status == 0)
+		status = MMUCR_URB_NENTRIES;
+
+	for (i = 0; i < status; i++)
+		__raw_writel(0x0, MMU_UTLB_ADDRESS_ARRAY | (i << 8));
+
+	for (i = 0; i < 4; i++)
+		__raw_writel(0x0, MMU_ITLB_ADDRESS_ARRAY | (i << 8));
+
+	back_to_cached();
+	ctrl_barrier();
+	local_irq_restore(flags);
+}
diff --git a/arch/sh/mm/tlb-urb.c b/arch/sh/mm/tlb-urb.c
index bb5b9098956d..c92ce20db39b 100644
--- a/arch/sh/mm/tlb-urb.c
+++ b/arch/sh/mm/tlb-urb.c
@@ -24,13 +24,9 @@ void tlb_wire_entry(struct vm_area_struct *vma, unsigned long addr, pte_t pte)
 
 	local_irq_save(flags);
 
-	/* Load the entry into the TLB */
-	__update_tlb(vma, addr, pte);
-
-	/* ... and wire it up. */
 	status = __raw_readl(MMUCR);
 	urb = (status & MMUCR_URB) >> MMUCR_URB_SHIFT;
-	status &= ~MMUCR_URB;
+	status &= ~MMUCR_URC;
 
 	/*
 	 * Make sure we're not trying to wire the last TLB entry slot.
@@ -39,7 +35,23 @@ void tlb_wire_entry(struct vm_area_struct *vma, unsigned long addr, pte_t pte)
 
 	urb = urb % MMUCR_URB_NENTRIES;
 
+	/*
+	 * Insert this entry into the highest non-wired TLB slot (via
+	 * the URC field).
+	 */
+	status |= (urb << MMUCR_URC_SHIFT);
+	__raw_writel(status, MMUCR);
+	ctrl_barrier();
+
+	/* Load the entry into the TLB */
+	__update_tlb(vma, addr, pte);
+
+	/* ... and wire it up. */
+	status = __raw_readl(MMUCR);
+
+	status &= ~MMUCR_URB;
 	status |= (urb << MMUCR_URB_SHIFT);
+
 	__raw_writel(status, MMUCR);
 	ctrl_barrier();
 
diff --git a/arch/sh/mm/tlbflush_32.c b/arch/sh/mm/tlbflush_32.c
index 004bb3f25b5f..3fbe03ce8fe3 100644
--- a/arch/sh/mm/tlbflush_32.c
+++ b/arch/sh/mm/tlbflush_32.c
@@ -119,22 +119,3 @@ void local_flush_tlb_mm(struct mm_struct *mm)
 		local_irq_restore(flags);
 	}
 }
-
-void local_flush_tlb_all(void)
-{
-	unsigned long flags, status;
-
-	/*
-	 * Flush all the TLB.
-	 *
-	 * Write to the MMU control register's bit:
-	 *	TF-bit for SH-3, TI-bit for SH-4.
-	 *      It's same position, bit #2.
-	 */
-	local_irq_save(flags);
-	status = __raw_readl(MMUCR);
-	status |= 0x04;
-	__raw_writel(status, MMUCR);
-	ctrl_barrier();
-	local_irq_restore(flags);
-}
diff --git a/arch/sh/mm/uncached.c b/arch/sh/mm/uncached.c
index cf20a5c5136a..8a4eca551fc0 100644
--- a/arch/sh/mm/uncached.c
+++ b/arch/sh/mm/uncached.c
@@ -1,6 +1,8 @@
 #include <linux/init.h>
+#include <linux/module.h>
 #include <asm/sizes.h>
 #include <asm/page.h>
+#include <asm/addrspace.h>
 
 /*
  * This is the offset of the uncached section from its cached alias.
@@ -15,15 +17,22 @@
 unsigned long cached_to_uncached = SZ_512M;
 unsigned long uncached_size = SZ_512M;
 unsigned long uncached_start, uncached_end;
+EXPORT_SYMBOL(uncached_start);
+EXPORT_SYMBOL(uncached_end);
 
 int virt_addr_uncached(unsigned long kaddr)
 {
 	return (kaddr >= uncached_start) && (kaddr < uncached_end);
 }
+EXPORT_SYMBOL(virt_addr_uncached);
 
 void __init uncached_init(void)
 {
+#ifdef CONFIG_29BIT
+	uncached_start = P2SEG;
+#else
 	uncached_start = memory_end;
+#endif
 	uncached_end = uncached_start + uncached_size;
 }
 
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 4097f6a10860..6db513674050 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -127,6 +127,9 @@ config ZONE_DMA
 	bool
 	default y if SPARC32
 
+config NEED_DMA_MAP_STATE
+	def_bool y
+
 config GENERIC_ISA_DMA
 	bool
 	default y if SPARC32
diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h
index 0e706257918f..5016f76ea98a 100644
--- a/arch/sparc/include/asm/compat.h
+++ b/arch/sparc/include/asm/compat.h
@@ -5,7 +5,8 @@
  */
 #include <linux/types.h>
 
-#define COMPAT_USER_HZ	100
+#define COMPAT_USER_HZ		100
+#define COMPAT_UTS_MACHINE	"sparc\0\0"
 
 typedef u32		compat_size_t;
 typedef s32		compat_ssize_t;
diff --git a/arch/sparc/include/asm/dma-mapping.h b/arch/sparc/include/asm/dma-mapping.h
index 5a8c308e2b5c..4b4a0c0b0ccd 100644
--- a/arch/sparc/include/asm/dma-mapping.h
+++ b/arch/sparc/include/asm/dma-mapping.h
@@ -8,7 +8,6 @@
 #define DMA_ERROR_CODE	(~(dma_addr_t)0x0)
 
 extern int dma_supported(struct device *dev, u64 mask);
-extern int dma_set_mask(struct device *dev, u64 dma_mask);
 
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
@@ -62,4 +61,17 @@ static inline int dma_get_cache_alignment(void)
 	return (1 << INTERNODE_CACHE_SHIFT);
 }
 
+static inline int dma_set_mask(struct device *dev, u64 mask)
+{
+#ifdef CONFIG_PCI
+	if (dev->bus == &pci_bus_type) {
+		if (!dev->dma_mask || !dma_supported(dev, mask))
+			return -EINVAL;
+		*dev->dma_mask = mask;
+		return 0;
+	}
+#endif
+	return -EINVAL;
+}
+
 #endif
diff --git a/arch/sparc/include/asm/fbio.h b/arch/sparc/include/asm/fbio.h
index b9215a0907d3..0a21da87f7d6 100644
--- a/arch/sparc/include/asm/fbio.h
+++ b/arch/sparc/include/asm/fbio.h
@@ -173,7 +173,7 @@ struct mdi_cfginfo {
 	int     mdi_ncluts;     /* Number of implemented CLUTs in this MDI */
         int     mdi_type;       /* FBTYPE name */
         int     mdi_height;     /* height */
-        int     mdi_width;      /* widht */
+        int     mdi_width;      /* width */
         int     mdi_size;       /* available ram */
         int     mdi_mode;       /* 8bpp, 16bpp or 32bpp */
         int     mdi_pixfreq;    /* pixel clock (from PROM) */
diff --git a/arch/sparc/include/asm/pci_32.h b/arch/sparc/include/asm/pci_32.h
index e769f668a4b5..332ac9ab36bc 100644
--- a/arch/sparc/include/asm/pci_32.h
+++ b/arch/sparc/include/asm/pci_32.h
@@ -32,20 +32,6 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
 
 struct pci_dev;
 
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	\
-	dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)		\
-	__u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)			\
-	((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)		\
-	(((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)			\
-	((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)		\
-	(((PTR)->LEN_NAME) = (VAL))
-
 #ifdef CONFIG_PCI
 static inline void pci_dma_burst_advice(struct pci_dev *pdev,
 					enum pci_dma_burst_strategy *strat,
diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h
index b0576df6ec83..5312782f0b5e 100644
--- a/arch/sparc/include/asm/pci_64.h
+++ b/arch/sparc/include/asm/pci_64.h
@@ -32,20 +32,6 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
  */
 #define PCI_DMA_BUS_IS_PHYS	(0)
 
-/* pci_unmap_{single,page} is not a nop, thus... */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	\
-	dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)		\
-	__u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)			\
-	((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)		\
-	(((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)			\
-	((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)		\
-	(((PTR)->LEN_NAME) = (VAL))
-
 /* PCI IOMMU mapping bypass support. */
 
 /* PCI 64-bit addressing works for all slots on all controller
diff --git a/arch/sparc/include/asm/unistd.h b/arch/sparc/include/asm/unistd.h
index cb4b9bfd0d87..d0b3b01ac9d4 100644
--- a/arch/sparc/include/asm/unistd.h
+++ b/arch/sparc/include/asm/unistd.h
@@ -432,7 +432,9 @@
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
 #define __ARCH_WANT_SYS_RT_SIGSUSPEND
-#ifndef __32bit_syscall_numbers__
+#ifdef __32bit_syscall_numbers__
+#define __ARCH_WANT_SYS_IPC
+#else
 #define __ARCH_WANT_COMPAT_SYS_TIME
 #define __ARCH_WANT_COMPAT_SYS_RT_SIGSUSPEND
 #endif
diff --git a/arch/sparc/kernel/iommu.c b/arch/sparc/kernel/iommu.c
index 5fad94950e76..8414549c1834 100644
--- a/arch/sparc/kernel/iommu.c
+++ b/arch/sparc/kernel/iommu.c
@@ -862,13 +862,3 @@ int dma_supported(struct device *dev, u64 device_mask)
 	return 0;
 }
 EXPORT_SYMBOL(dma_supported);
-
-int dma_set_mask(struct device *dev, u64 dma_mask)
-{
-#ifdef CONFIG_PCI
-	if (dev->bus == &pci_bus_type)
-		return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
-#endif
-	return -EINVAL;
-}
-EXPORT_SYMBOL(dma_set_mask);
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 3c8c44f6a41c..84e5386714cd 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -676,17 +676,6 @@ int dma_supported(struct device *dev, u64 mask)
 }
 EXPORT_SYMBOL(dma_supported);
 
-int dma_set_mask(struct device *dev, u64 dma_mask)
-{
-#ifdef CONFIG_PCI
-	if (dev->bus == &pci_bus_type)
-		return pci_set_dma_mask(to_pci_dev(dev), dma_mask);
-#endif
-	return -EOPNOTSUPP;
-}
-EXPORT_SYMBOL(dma_set_mask);
-
-
 #ifdef CONFIG_PROC_FS
 
 static int sparc_io_proc_show(struct seq_file *m, void *v)
diff --git a/arch/sparc/kernel/nmi.c b/arch/sparc/kernel/nmi.c
index d242a7340541..b287b62c7ea3 100644
--- a/arch/sparc/kernel/nmi.c
+++ b/arch/sparc/kernel/nmi.c
@@ -21,7 +21,6 @@
 
 #include <asm/perf_event.h>
 #include <asm/ptrace.h>
-#include <asm/local.h>
 #include <asm/pcr.h>
 
 /* We don't have a real NMI on sparc64, but we can fake one
@@ -113,13 +112,13 @@ notrace __kprobes void perfctr_irq(int irq, struct pt_regs *regs)
 		touched = 1;
 	}
 	if (!touched && __get_cpu_var(last_irq_sum) == sum) {
-		__this_cpu_inc(per_cpu_var(alert_counter));
-		if (__this_cpu_read(per_cpu_var(alert_counter)) == 30 * nmi_hz)
+		__this_cpu_inc(alert_counter);
+		if (__this_cpu_read(alert_counter) == 30 * nmi_hz)
 			die_nmi("BUG: NMI Watchdog detected LOCKUP",
 				regs, panic_on_timeout);
 	} else {
 		__get_cpu_var(last_irq_sum) = sum;
-		__this_cpu_write(per_cpu_var(alert_counter), 0);
+		__this_cpu_write(alert_counter, 0);
 	}
 	if (__get_cpu_var(wd_enabled)) {
 		write_pic(picl_value(nmi_hz));
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index 610112ec518a..e2771939341d 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1189,7 +1189,7 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
 
 	regs = args->regs;
 
-	data.addr = 0;
+	perf_sample_data_init(&data, 0);
 
 	cpuc = &__get_cpu_var(cpu_hw_events);
 
@@ -1353,7 +1353,7 @@ static void perf_callchain_user_32(struct pt_regs *regs,
 }
 
 /* Like powerpc we can't get PMU interrupts within the PMU handler,
- * so no need for seperate NMI and IRQ chains as on x86.
+ * so no need for separate NMI and IRQ chains as on x86.
  */
 static DEFINE_PER_CPU(struct perf_callchain_entry, callchain);
 
diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S
index e829a42b7139..83f1873c6c13 100644
--- a/arch/sparc/kernel/rtrap_64.S
+++ b/arch/sparc/kernel/rtrap_64.S
@@ -107,11 +107,11 @@ rtrap_nmi:	ldx			[%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
 rtrap_irq:
 rtrap:
 #ifndef CONFIG_SMP
-		sethi			%hi(per_cpu____cpu_data), %l0
-		lduw			[%l0 + %lo(per_cpu____cpu_data)], %l1
+		sethi			%hi(__cpu_data), %l0
+		lduw			[%l0 + %lo(__cpu_data)], %l1
 #else
-		sethi			%hi(per_cpu____cpu_data), %l0
-		or			%l0, %lo(per_cpu____cpu_data), %l0
+		sethi			%hi(__cpu_data), %l0
+		or			%l0, %lo(__cpu_data), %l0
 		lduw			[%l0 + %g5], %l1
 #endif
 		cmp			%l1, 0
diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
index 3a82e65d8db2..ee995b7dae7e 100644
--- a/arch/sparc/kernel/sys_sparc_32.c
+++ b/arch/sparc/kernel/sys_sparc_32.c
@@ -98,119 +98,6 @@ out:
 	return error;
 }
 
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-
-asmlinkage int sys_ipc (uint call, int first, int second, int third, void __user *ptr, long fifth)
-{
-	int version, err;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	if (call <= SEMCTL)
-		switch (call) {
-		case SEMOP:
-			err = sys_semtimedop (first, (struct sembuf __user *)ptr, second, NULL);
-			goto out;
-		case SEMTIMEDOP:
-			err = sys_semtimedop (first, (struct sembuf __user *)ptr, second, (const struct timespec __user *) fifth);
-			goto out;
-		case SEMGET:
-			err = sys_semget (first, second, third);
-			goto out;
-		case SEMCTL: {
-			union semun fourth;
-			err = -EINVAL;
-			if (!ptr)
-				goto out;
-			err = -EFAULT;
-			if (get_user(fourth.__pad,
-				     (void __user * __user *)ptr))
-				goto out;
-			err = sys_semctl (first, second, third, fourth);
-			goto out;
-			}
-		default:
-			err = -ENOSYS;
-			goto out;
-		}
-	if (call <= MSGCTL) 
-		switch (call) {
-		case MSGSND:
-			err = sys_msgsnd (first, (struct msgbuf __user *) ptr, 
-					  second, third);
-			goto out;
-		case MSGRCV:
-			switch (version) {
-			case 0: {
-				struct ipc_kludge tmp;
-				err = -EINVAL;
-				if (!ptr)
-					goto out;
-				err = -EFAULT;
-				if (copy_from_user(&tmp, (struct ipc_kludge __user *) ptr, sizeof (tmp)))
-					goto out;
-				err = sys_msgrcv (first, tmp.msgp, second, tmp.msgtyp, third);
-				goto out;
-				}
-			case 1: default:
-				err = sys_msgrcv (first,
-						  (struct msgbuf __user *) ptr,
-						  second, fifth, third);
-				goto out;
-			}
-		case MSGGET:
-			err = sys_msgget ((key_t) first, second);
-			goto out;
-		case MSGCTL:
-			err = sys_msgctl (first, second, (struct msqid_ds __user *) ptr);
-			goto out;
-		default:
-			err = -ENOSYS;
-			goto out;
-		}
-	if (call <= SHMCTL) 
-		switch (call) {
-		case SHMAT:
-			switch (version) {
-			case 0: default: {
-				ulong raddr;
-				err = do_shmat (first, (char __user *) ptr, second, &raddr);
-				if (err)
-					goto out;
-				err = -EFAULT;
-				if (put_user (raddr, (ulong __user *) third))
-					goto out;
-				err = 0;
-				goto out;
-				}
-			case 1:	/* iBCS2 emulator entry point */
-				err = -EINVAL;
-				goto out;
-			}
-		case SHMDT: 
-			err = sys_shmdt ((char __user *)ptr);
-			goto out;
-		case SHMGET:
-			err = sys_shmget (first, second, third);
-			goto out;
-		case SHMCTL:
-			err = sys_shmctl (first, second, (struct shmid_ds __user *) ptr);
-			goto out;
-		default:
-			err = -ENOSYS;
-			goto out;
-		}
-	else
-		err = -ENOSYS;
-out:
-	return err;
-}
-
 int sparc_mmap_check(unsigned long addr, unsigned long len)
 {
 	if (ARCH_SUN4C &&
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index cb1bef6f14b7..3d435c42e6db 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -426,7 +426,7 @@ out:
  * This is really horribly ugly.
  */
 
-SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second,
+SYSCALL_DEFINE6(sparc_ipc, unsigned int, call, int, first, unsigned long, second,
 		unsigned long, third, void __user *, ptr, long, fifth)
 {
 	long err;
@@ -510,17 +510,6 @@ out:
 	return err;
 }
 
-SYSCALL_DEFINE1(sparc64_newuname, struct new_utsname __user *, name)
-{
-	int ret = sys_newuname(name);
-	
-	if (current->personality == PER_LINUX32 && !ret) {
-		ret = (copy_to_user(name->machine, "sparc\0\0", 8)
-		       ? -EFAULT : 0);
-	}
-	return ret;
-}
-
 SYSCALL_DEFINE1(sparc64_personality, unsigned long, personality)
 {
 	int ret;
diff --git a/arch/sparc/kernel/systbls.h b/arch/sparc/kernel/systbls.h
index 68312fe8da74..118759cd7342 100644
--- a/arch/sparc/kernel/systbls.h
+++ b/arch/sparc/kernel/systbls.h
@@ -6,15 +6,12 @@
 #include <asm/utrap.h>
 #include <asm/signal.h>
 
-struct new_utsname;
-
 extern asmlinkage unsigned long sys_getpagesize(void);
 extern asmlinkage long sparc_pipe(struct pt_regs *regs);
-extern asmlinkage long sys_ipc(unsigned int call, int first,
+extern asmlinkage long sys_sparc_ipc(unsigned int call, int first,
 			       unsigned long second,
 			       unsigned long third,
 			       void __user *ptr, long fifth);
-extern asmlinkage long sparc64_newuname(struct new_utsname __user *name);
 extern asmlinkage long sparc64_personality(unsigned long personality);
 extern asmlinkage long sys64_munmap(unsigned long addr, size_t len);
 extern asmlinkage unsigned long sys64_mremap(unsigned long addr,
diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S
index 17614251fb6d..9db058dd039e 100644
--- a/arch/sparc/kernel/systbls_64.S
+++ b/arch/sparc/kernel/systbls_64.S
@@ -55,7 +55,7 @@ sys_call_table32:
 /*170*/	.word sys32_lsetxattr, sys32_fsetxattr, sys_getxattr, sys_lgetxattr, compat_sys_getdents
 	.word sys_setsid, sys_fchdir, sys32_fgetxattr, sys_listxattr, sys_llistxattr
 /*180*/	.word sys32_flistxattr, sys_removexattr, sys_lremovexattr, compat_sys_sigpending, sys_ni_syscall
-	.word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sys_sparc64_newuname
+	.word sys32_setpgid, sys32_fremovexattr, sys32_tkill, sys32_exit_group, sys_newuname
 /*190*/	.word sys32_init_module, sys_sparc64_personality, sys_remap_file_pages, sys32_epoll_create, sys32_epoll_ctl
 	.word sys32_epoll_wait, sys32_ioprio_set, sys_getppid, sys32_sigaction, sys_sgetmask
 /*200*/	.word sys32_ssetmask, sys_sigsuspend, compat_sys_newlstat, sys_uselib, compat_sys_old_readdir
@@ -130,13 +130,13 @@ sys_call_table:
 /*170*/	.word sys_lsetxattr, sys_fsetxattr, sys_getxattr, sys_lgetxattr, sys_getdents
 	.word sys_setsid, sys_fchdir, sys_fgetxattr, sys_listxattr, sys_llistxattr
 /*180*/	.word sys_flistxattr, sys_removexattr, sys_lremovexattr, sys_nis_syscall, sys_ni_syscall
-	.word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sys_sparc64_newuname
+	.word sys_setpgid, sys_fremovexattr, sys_tkill, sys_exit_group, sys_newuname
 /*190*/	.word sys_init_module, sys_sparc64_personality, sys_remap_file_pages, sys_epoll_create, sys_epoll_ctl
 	.word sys_epoll_wait, sys_ioprio_set, sys_getppid, sys_nis_syscall, sys_sgetmask
 /*200*/	.word sys_ssetmask, sys_nis_syscall, sys_newlstat, sys_uselib, sys_nis_syscall
 	.word sys_readahead, sys_socketcall, sys_syslog, sys_lookup_dcookie, sys_fadvise64
 /*210*/	.word sys_fadvise64_64, sys_tgkill, sys_waitpid, sys_swapoff, sys_sysinfo
-	.word sys_ipc, sys_nis_syscall, sys_clone, sys_ioprio_get, sys_adjtimex
+	.word sys_sparc_ipc, sys_nis_syscall, sys_clone, sys_ioprio_get, sys_adjtimex
 /*220*/	.word sys_nis_syscall, sys_ni_syscall, sys_delete_module, sys_ni_syscall, sys_getpgid
 	.word sys_bdflush, sys_sysfs, sys_nis_syscall, sys_setfsuid, sys_setfsgid
 /*230*/	.word sys_select, sys_nis_syscall, sys_splice, sys_stime, sys_statfs64
diff --git a/arch/um/.gitignore b/arch/um/.gitignore
new file mode 100644
index 000000000000..a73d3a1cc746
--- /dev/null
+++ b/arch/um/.gitignore
@@ -0,0 +1,3 @@
+kernel/config.c
+kernel/config.tmp
+kernel/vmlinux.lds
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index cf8a97f34518..64cda95f59ca 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -18,10 +18,10 @@ static irqreturn_t line_interrupt(int irq, void *data)
 {
 	struct chan *chan = data;
 	struct line *line = chan->line;
-	struct tty_struct *tty = line->tty;
+	struct tty_struct *tty;
 
 	if (line)
-		chan_interrupt(&line->chan_list, &line->task, tty, irq);
+		chan_interrupt(&line->chan_list, &line->task, line->tty, irq);
 	return IRQ_HANDLED;
 }
 
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 3b3c36601a7b..de317d0c3294 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -140,7 +140,7 @@ void mconsole_proc(struct mc_request *req)
 		goto out;
 	}
 
-	err = may_open(&nd.path, MAY_READ, FMODE_READ);
+	err = may_open(&nd.path, MAY_READ, O_RDONLY);
 	if (result) {
 		mconsole_reply(req, "Failed to open file", 1, 0);
 		path_put(&nd.path);
diff --git a/arch/um/include/asm/dma-mapping.h b/arch/um/include/asm/dma-mapping.h
index 378de4bbf49f..b948c14a7867 100644
--- a/arch/um/include/asm/dma-mapping.h
+++ b/arch/um/include/asm/dma-mapping.h
@@ -104,14 +104,6 @@ dma_get_cache_alignment(void)
 }
 
 static inline void
-dma_sync_single_range(struct device *dev, dma_addr_t dma_handle,
-		      unsigned long offset, size_t size,
-		      enum dma_data_direction direction)
-{
-	BUG();
-}
-
-static inline void
 dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 	       enum dma_data_direction direction)
 {
diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h
index 6c8899013c92..2cd899f75a3c 100644
--- a/arch/um/include/asm/ptrace-generic.h
+++ b/arch/um/include/asm/ptrace-generic.h
@@ -16,6 +16,8 @@ struct pt_regs {
 	struct uml_pt_regs regs;
 };
 
+#define arch_has_single_step()	(1)
+
 #define EMPTY_REGS { .regs = EMPTY_UML_PT_REGS }
 
 #define PT_REGS_IP(r) UPT_IP(&(r)->regs)
diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c
index 8e3d69e4fcb5..484509948ee9 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -12,16 +12,25 @@
 #endif
 #include "skas_ptrace.h"
 
-static inline void set_singlestepping(struct task_struct *child, int on)
+
+
+void user_enable_single_step(struct task_struct *child)
 {
-	if (on)
-		child->ptrace |= PT_DTRACE;
-	else
-		child->ptrace &= ~PT_DTRACE;
+	child->ptrace |= PT_DTRACE;
 	child->thread.singlestep_syscall = 0;
 
 #ifdef SUBARCH_SET_SINGLESTEPPING
-	SUBARCH_SET_SINGLESTEPPING(child, on);
+	SUBARCH_SET_SINGLESTEPPING(child, 1);
+#endif
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+	child->ptrace &= ~PT_DTRACE;
+	child->thread.singlestep_syscall = 0;
+
+#ifdef SUBARCH_SET_SINGLESTEPPING
+	SUBARCH_SET_SINGLESTEPPING(child, 0);
 #endif
 }
 
@@ -30,7 +39,7 @@ static inline void set_singlestepping(struct task_struct *child, int on)
  */
 void ptrace_disable(struct task_struct *child)
 {
-	set_singlestepping(child,0);
+	user_disable_single_step(child);
 }
 
 extern int peek_user(struct task_struct * child, long addr, long data);
@@ -69,53 +78,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		ret = -EIO;
 		break;
 
-	/* continue and stop at next (return from) syscall */
-	case PTRACE_SYSCALL:
-	/* restart after signal. */
-	case PTRACE_CONT: {
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-
-		set_singlestepping(child, 0);
-		if (request == PTRACE_SYSCALL)
-			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		else clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		child->exit_code = data;
-		wake_up_process(child);
-		ret = 0;
-		break;
-	}
-
-/*
- * make the child exit.  Best I can do is send it a sigkill.
- * perhaps it should be put in the status that it wants to
- * exit.
- */
-	case PTRACE_KILL: {
-		ret = 0;
-		if (child->exit_state == EXIT_ZOMBIE)	/* already dead */
-			break;
-
-		set_singlestepping(child, 0);
-		child->exit_code = SIGKILL;
-		wake_up_process(child);
-		break;
-	}
-
-	case PTRACE_SINGLESTEP: {  /* set the trap flag. */
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		set_singlestepping(child, 1);
-		child->exit_code = data;
-		/* give it a chance to run. */
-		wake_up_process(child);
-		ret = 0;
-		break;
-	}
-
 #ifdef PTRACE_GETREGS
 	case PTRACE_GETREGS: { /* Get all gp regs from the child. */
 		if (!access_ok(VERIFY_WRITE, p, MAX_REG_OFFSET)) {
diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c
index cccab850c27e..4393173923f5 100644
--- a/arch/um/kernel/syscall.c
+++ b/arch/um/kernel/syscall.c
@@ -51,51 +51,6 @@ long old_mmap(unsigned long addr, unsigned long len,
 	return err;
 }
 
-long sys_uname(struct old_utsname __user * name)
-{
-	long err;
-	if (!name)
-		return -EFAULT;
-	down_read(&uts_sem);
-	err = copy_to_user(name, utsname(), sizeof (*name));
-	up_read(&uts_sem);
-	return err?-EFAULT:0;
-}
-
-long sys_olduname(struct oldold_utsname __user * name)
-{
-	long error;
-
-	if (!name)
-		return -EFAULT;
-	if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname)))
-		return -EFAULT;
-
-	down_read(&uts_sem);
-
-	error = __copy_to_user(&name->sysname, &utsname()->sysname,
-			       __OLD_UTS_LEN);
-	error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
-	error |= __copy_to_user(&name->nodename, &utsname()->nodename,
-				__OLD_UTS_LEN);
-	error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
-	error |= __copy_to_user(&name->release, &utsname()->release,
-				__OLD_UTS_LEN);
-	error |= __put_user(0, name->release + __OLD_UTS_LEN);
-	error |= __copy_to_user(&name->version, &utsname()->version,
-				__OLD_UTS_LEN);
-	error |= __put_user(0, name->version + __OLD_UTS_LEN);
-	error |= __copy_to_user(&name->machine, &utsname()->machine,
-				__OLD_UTS_LEN);
-	error |= __put_user(0, name->machine + __OLD_UTS_LEN);
-
-	up_read(&uts_sem);
-
-	error = error ? -EFAULT : 0;
-
-	return error;
-}
-
 int kernel_execve(const char *filename, char *const argv[], char *const envp[])
 {
 	mm_segment_t fs;
diff --git a/arch/um/sys-i386/Makefile b/arch/um/sys-i386/Makefile
index 1b549bca4645..804b28dd0328 100644
--- a/arch/um/sys-i386/Makefile
+++ b/arch/um/sys-i386/Makefile
@@ -6,6 +6,8 @@ obj-y = bug.o bugs.o checksum.o delay.o fault.o ksyms.o ldt.o ptrace.o \
 	ptrace_user.o setjmp.o signal.o stub.o stub_segv.o syscalls.o sysrq.o \
 	sys_call_table.o tls.o
 
+obj-$(CONFIG_BINFMT_ELF) += elfcore.o
+
 subarch-obj-y = lib/semaphore_32.o lib/string_32.o
 subarch-obj-$(CONFIG_HIGHMEM) += mm/highmem_32.o
 subarch-obj-$(CONFIG_MODULES) += kernel/module.o
diff --git a/arch/um/sys-i386/asm/elf.h b/arch/um/sys-i386/asm/elf.h
index 770885472ed4..e64cd41d7bab 100644
--- a/arch/um/sys-i386/asm/elf.h
+++ b/arch/um/sys-i386/asm/elf.h
@@ -116,47 +116,4 @@ do {								\
 	}							\
 } while (0)
 
-/*
- * These macros parameterize elf_core_dump in fs/binfmt_elf.c to write out
- * extra segments containing the vsyscall DSO contents.  Dumping its
- * contents makes post-mortem fully interpretable later without matching up
- * the same kernel and hardware config to see what PC values meant.
- * Dumping its extra ELF program headers includes all the other information
- * a debugger needs to easily find how the vsyscall DSO was being used.
- */
-#define ELF_CORE_EXTRA_PHDRS						      \
-	(vsyscall_ehdr ? (((struct elfhdr *)vsyscall_ehdr)->e_phnum) : 0 )
-
-#define ELF_CORE_WRITE_EXTRA_PHDRS					      \
-if ( vsyscall_ehdr ) {							      \
-	const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr;    \
-	const struct elf_phdr *const phdrp =				      \
-		(const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff);   \
-	int i;								      \
-	Elf32_Off ofs = 0;						      \
-	for (i = 0; i < ehdrp->e_phnum; ++i) {				      \
-		struct elf_phdr phdr = phdrp[i];			      \
-		if (phdr.p_type == PT_LOAD) {				      \
-			ofs = phdr.p_offset = offset;			      \
-			offset += phdr.p_filesz;			      \
-		}							      \
-		else							      \
-			phdr.p_offset += ofs;				      \
-		phdr.p_paddr = 0; /* match other core phdrs */		      \
-		DUMP_WRITE(&phdr, sizeof(phdr));			      \
-	}								      \
-}
-#define ELF_CORE_WRITE_EXTRA_DATA					      \
-if ( vsyscall_ehdr ) {							      \
-	const struct elfhdr *const ehdrp = (struct elfhdr *)vsyscall_ehdr;    \
-	const struct elf_phdr *const phdrp =				      \
-		(const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff);   \
-	int i;								      \
-	for (i = 0; i < ehdrp->e_phnum; ++i) {				      \
-		if (phdrp[i].p_type == PT_LOAD)				      \
-			DUMP_WRITE((void *) phdrp[i].p_vaddr,		      \
-				   phdrp[i].p_filesz);			      \
-	}								      \
-}
-
 #endif
diff --git a/arch/um/sys-i386/elfcore.c b/arch/um/sys-i386/elfcore.c
new file mode 100644
index 000000000000..6bb49b687c97
--- /dev/null
+++ b/arch/um/sys-i386/elfcore.c
@@ -0,0 +1,83 @@
+#include <linux/elf.h>
+#include <linux/coredump.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+
+#include <asm/elf.h>
+
+
+Elf32_Half elf_core_extra_phdrs(void)
+{
+	return vsyscall_ehdr ? (((struct elfhdr *)vsyscall_ehdr)->e_phnum) : 0;
+}
+
+int elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size,
+			       unsigned long limit)
+{
+	if ( vsyscall_ehdr ) {
+		const struct elfhdr *const ehdrp =
+			(struct elfhdr *) vsyscall_ehdr;
+		const struct elf_phdr *const phdrp =
+			(const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff);
+		int i;
+		Elf32_Off ofs = 0;
+
+		for (i = 0; i < ehdrp->e_phnum; ++i) {
+			struct elf_phdr phdr = phdrp[i];
+
+			if (phdr.p_type == PT_LOAD) {
+				ofs = phdr.p_offset = offset;
+				offset += phdr.p_filesz;
+			} else {
+				phdr.p_offset += ofs;
+			}
+			phdr.p_paddr = 0; /* match other core phdrs */
+			*size += sizeof(phdr);
+			if (*size > limit
+			    || !dump_write(file, &phdr, sizeof(phdr)))
+				return 0;
+		}
+	}
+	return 1;
+}
+
+int elf_core_write_extra_data(struct file *file, size_t *size,
+			      unsigned long limit)
+{
+	if ( vsyscall_ehdr ) {
+		const struct elfhdr *const ehdrp =
+			(struct elfhdr *) vsyscall_ehdr;
+		const struct elf_phdr *const phdrp =
+			(const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff);
+		int i;
+
+		for (i = 0; i < ehdrp->e_phnum; ++i) {
+			if (phdrp[i].p_type == PT_LOAD) {
+				void *addr = (void *) phdrp[i].p_vaddr;
+				size_t filesz = phdrp[i].p_filesz;
+
+				*size += filesz;
+				if (*size > limit
+				    || !dump_write(file, addr, filesz))
+					return 0;
+			}
+		}
+	}
+	return 1;
+}
+
+size_t elf_core_extra_data_size(void)
+{
+	if ( vsyscall_ehdr ) {
+		const struct elfhdr *const ehdrp =
+			(struct elfhdr *)vsyscall_ehdr;
+		const struct elf_phdr *const phdrp =
+			(const struct elf_phdr *) (vsyscall_ehdr + ehdrp->e_phoff);
+		int i;
+
+		for (i = 0; i < ehdrp->e_phnum; ++i)
+			if (phdrp[i].p_type == PT_LOAD)
+				return (size_t) phdrp[i].p_filesz;
+	}
+	return 0;
+}
diff --git a/arch/um/sys-i386/shared/sysdep/syscalls.h b/arch/um/sys-i386/shared/sysdep/syscalls.h
index e7787679e317..05cb796aecb5 100644
--- a/arch/um/sys-i386/shared/sysdep/syscalls.h
+++ b/arch/um/sys-i386/shared/sysdep/syscalls.h
@@ -13,8 +13,6 @@ typedef long syscall_handler_t(struct pt_regs);
  */
 extern syscall_handler_t sys_rt_sigaction;
 
-extern syscall_handler_t old_mmap_i386;
-
 extern syscall_handler_t *sys_call_table[];
 
 #define EXECUTE_SYSCALL(syscall, regs) \
diff --git a/arch/um/sys-i386/sys_call_table.S b/arch/um/sys-i386/sys_call_table.S
index c6260dd6ebb9..de274071455d 100644
--- a/arch/um/sys-i386/sys_call_table.S
+++ b/arch/um/sys-i386/sys_call_table.S
@@ -7,7 +7,7 @@
 #define sys_vm86old sys_ni_syscall
 #define sys_vm86 sys_ni_syscall
 
-#define old_mmap old_mmap_i386
+#define old_mmap sys_old_mmap
 
 #define ptregs_fork sys_fork
 #define ptregs_execve sys_execve
diff --git a/arch/um/sys-i386/syscalls.c b/arch/um/sys-i386/syscalls.c
index 857ca0b3bdef..70ca357393b8 100644
--- a/arch/um/sys-i386/syscalls.c
+++ b/arch/um/sys-i386/syscalls.c
@@ -12,57 +12,6 @@
 #include "asm/unistd.h"
 
 /*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux/i386 didn't use to be able to handle more than
- * 4 system call parameters, so these system calls used a memory
- * block for parameter passing..
- */
-
-struct mmap_arg_struct {
-	unsigned long addr;
-	unsigned long len;
-	unsigned long prot;
-	unsigned long flags;
-	unsigned long fd;
-	unsigned long offset;
-};
-
-extern int old_mmap(unsigned long addr, unsigned long len,
-		    unsigned long prot, unsigned long flags,
-		    unsigned long fd, unsigned long offset);
-
-long old_mmap_i386(struct mmap_arg_struct __user *arg)
-{
-	struct mmap_arg_struct a;
-	int err = -EFAULT;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		goto out;
-
-	err = old_mmap(a.addr, a.len, a.prot, a.flags, a.fd, a.offset);
- out:
-	return err;
-}
-
-struct sel_arg_struct {
-	unsigned long n;
-	fd_set __user *inp;
-	fd_set __user *outp;
-	fd_set __user *exp;
-	struct timeval __user *tvp;
-};
-
-long old_select(struct sel_arg_struct __user *arg)
-{
-	struct sel_arg_struct a;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		return -EFAULT;
-	/* sys_select() does the appropriate kernel locking */
-	return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
  * The prototype on i386 is:
  *
  *     int clone(int flags, void * child_stack, int * parent_tidptr, struct user_desc * newtls, int * child_tidptr)
@@ -85,92 +34,6 @@ long sys_clone(unsigned long clone_flags, unsigned long newsp,
 	return ret;
 }
 
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-long sys_ipc (uint call, int first, int second,
-	     int third, void __user *ptr, long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	switch (call) {
-	case SEMOP:
-		return sys_semtimedop(first, (struct sembuf __user *) ptr,
-				      second, NULL);
-	case SEMTIMEDOP:
-		return sys_semtimedop(first, (struct sembuf __user *) ptr,
-				      second,
-				      (const struct timespec __user *) fifth);
-	case SEMGET:
-		return sys_semget (first, second, third);
-	case SEMCTL: {
-		union semun fourth;
-		if (!ptr)
-			return -EINVAL;
-		if (get_user(fourth.__pad, (void __user * __user *) ptr))
-			return -EFAULT;
-		return sys_semctl (first, second, third, fourth);
-	}
-
-	case MSGSND:
-		return sys_msgsnd (first, (struct msgbuf *) ptr,
-				   second, third);
-	case MSGRCV:
-		switch (version) {
-		case 0: {
-			struct ipc_kludge tmp;
-			if (!ptr)
-				return -EINVAL;
-
-			if (copy_from_user(&tmp,
-					   (struct ipc_kludge *) ptr,
-					   sizeof (tmp)))
-				return -EFAULT;
-			return sys_msgrcv (first, tmp.msgp, second,
-					   tmp.msgtyp, third);
-		}
-		default:
-		        panic("msgrcv with version != 0");
-			return sys_msgrcv (first,
-					   (struct msgbuf *) ptr,
-					   second, fifth, third);
-		}
-	case MSGGET:
-		return sys_msgget ((key_t) first, second);
-	case MSGCTL:
-		return sys_msgctl (first, second, (struct msqid_ds *) ptr);
-
-	case SHMAT:
-		switch (version) {
-		default: {
-			ulong raddr;
-			ret = do_shmat (first, (char *) ptr, second, &raddr);
-			if (ret)
-				return ret;
-			return put_user (raddr, (ulong *) third);
-		}
-		case 1:	/* iBCS2 emulator entry point */
-			if (!segment_eq(get_fs(), get_ds()))
-				return -EINVAL;
-			return do_shmat (first, (char *) ptr, second, (ulong *) third);
-		}
-	case SHMDT:
-		return sys_shmdt ((char *)ptr);
-	case SHMGET:
-		return sys_shmget (first, second, third);
-	case SHMCTL:
-		return sys_shmctl (first, second,
-				   (struct shmid_ds *) ptr);
-	default:
-		return -ENOSYS;
-	}
-}
-
 long sys_sigaction(int sig, const struct old_sigaction __user *act,
 			 struct old_sigaction __user *oact)
 {
diff --git a/arch/um/sys-x86_64/syscall_table.c b/arch/um/sys-x86_64/syscall_table.c
index dd21d69715e6..47d469e7e7ce 100644
--- a/arch/um/sys-x86_64/syscall_table.c
+++ b/arch/um/sys-x86_64/syscall_table.c
@@ -26,11 +26,6 @@
 
 /* On UML we call it this way ("old" means it's not mmap2) */
 #define sys_mmap old_mmap
-/*
- * On x86-64 sys_uname is actually sys_newuname plus a compatibility trick.
- * See arch/x86_64/kernel/sys_x86_64.c
- */
-#define sys_uname sys_uname64
 
 #define stub_clone sys_clone
 #define stub_fork sys_fork
diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c
index f1199fd34d38..f3d82bb6e15a 100644
--- a/arch/um/sys-x86_64/syscalls.c
+++ b/arch/um/sys-x86_64/syscalls.c
@@ -12,20 +12,6 @@
 #include "asm/uaccess.h"
 #include "os.h"
 
-asmlinkage long sys_uname64(struct new_utsname __user * name)
-{
-	int err;
-
-	down_read(&uts_sem);
-	err = copy_to_user(name, utsname(), sizeof (*name));
-	up_read(&uts_sem);
-
-	if (personality(current->personality) == PER_LINUX32)
-		err |= copy_to_user(&name->machine, "i686", 5);
-
-	return err ? -EFAULT : 0;
-}
-
 long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr)
 {
 	unsigned long *ptr = addr, tmp;
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 0896008f7509..0eacb1ffb421 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -31,6 +31,7 @@ config X86
 	select ARCH_WANT_FRAME_POINTERS
 	select HAVE_DMA_ATTRS
 	select HAVE_KRETPROBES
+	select HAVE_OPTPROBES
 	select HAVE_FTRACE_MCOUNT_RECORD
 	select HAVE_DYNAMIC_FTRACE
 	select HAVE_FUNCTION_TRACER
@@ -101,6 +102,9 @@ config ZONE_DMA
 config SBUS
 	bool
 
+config NEED_DMA_MAP_STATE
+       def_bool (X86_64 || DMAR || DMA_API_DEBUG)
+
 config GENERIC_ISA_DMA
 	def_bool y
 
@@ -184,6 +188,9 @@ config ARCH_SUPPORTS_OPTIMIZED_INLINING
 config ARCH_SUPPORTS_DEBUG_PAGEALLOC
 	def_bool y
 
+config HAVE_EARLY_RES
+	def_bool y
+
 config HAVE_INTEL_TXT
 	def_bool y
 	depends on EXPERIMENTAL && DMAR && ACPI
@@ -389,8 +396,12 @@ config X86_ELAN
 
 config X86_MRST
        bool "Moorestown MID platform"
+	depends on PCI
+	depends on PCI_GOANY
 	depends on X86_32
 	depends on X86_EXTENDED_PLATFORM
+	depends on X86_IO_APIC
+	select APB_TIMER
 	---help---
 	  Moorestown is Intel's Low Power Intel Architecture (LPIA) based Moblin
 	  Internet Device(MID) platform. Moorestown consists of two chips:
@@ -425,6 +436,7 @@ config X86_32_NON_STANDARD
 config X86_NUMAQ
 	bool "NUMAQ (IBM/Sequent)"
 	depends on X86_32_NON_STANDARD
+	depends on PCI
 	select NUMA
 	select X86_MPPARSE
 	---help---
@@ -569,6 +581,18 @@ config PARAVIRT_DEBUG
 	  Enable to debug paravirt_ops internals.  Specifically, BUG if
 	  a paravirt_op is missing when it is called.
 
+config NO_BOOTMEM
+	default y
+	bool "Disable Bootmem code"
+	---help---
+	  Use early_res directly instead of bootmem before slab is ready.
+		- allocator (buddy) [generic]
+		- early allocator (bootmem) [generic]
+		- very early allocator (reserve_early*()) [x86]
+		- very very early allocator (early brk model) [x86]
+	  So reduce one layer between early allocator to final allocator
+
+
 config MEMTEST
 	bool "Memtest"
 	---help---
@@ -613,6 +637,16 @@ config HPET_EMULATE_RTC
 	def_bool y
 	depends on HPET_TIMER && (RTC=y || RTC=m || RTC_DRV_CMOS=m || RTC_DRV_CMOS=y)
 
+config APB_TIMER
+       def_bool y if MRST
+       prompt "Langwell APB Timer Support" if X86_MRST
+       help
+         APB timer is the replacement for 8254, HPET on X86 MID platforms.
+         The APBT provides a stable time base on SMP
+         systems, unlike the TSC, but it is more expensive to access,
+         as it is off-chip. APB timers are always running regardless of CPU
+         C states, they are used as per CPU clockevent device when possible.
+
 # Mark as embedded because too many people got it wrong.
 # The code disables itself when not needed.
 config DMI
@@ -628,7 +662,7 @@ config GART_IOMMU
 	bool "GART IOMMU support" if EMBEDDED
 	default y
 	select SWIOTLB
-	depends on X86_64 && PCI
+	depends on X86_64 && PCI && K8_NB
 	---help---
 	  Support for full DMA access of devices with 32bit memory access only
 	  on systems with more than 3GB. This is usually needed for USB,
@@ -2027,7 +2061,7 @@ endif # X86_32
 
 config K8_NB
 	def_bool y
-	depends on AGP_AMD64 || (X86_64 && (GART_IOMMU || (PCI && NUMA)))
+	depends on CPU_SUP_AMD && PCI
 
 source "drivers/pcmcia/Kconfig"
 
diff --git a/arch/x86/crypto/twofish-i586-asm_32.S b/arch/x86/crypto/twofish-i586-asm_32.S
index 39b98ed2c1b9..575331cb2a8a 100644
--- a/arch/x86/crypto/twofish-i586-asm_32.S
+++ b/arch/x86/crypto/twofish-i586-asm_32.S
@@ -22,7 +22,7 @@
 
 #include <asm/asm-offsets.h>
 
-/* return adress at 0 */
+/* return address at 0 */
 
 #define in_blk    12  /* input byte array address parameter*/
 #define out_blk   8  /* output byte array address parameter*/
@@ -230,8 +230,8 @@ twofish_enc_blk:
 	push    %edi
 
 	mov	tfm + 16(%esp),	%ebp	/* abuse the base pointer: set new base bointer to the crypto tfm */
-	add	$crypto_tfm_ctx_offset, %ebp	/* ctx adress */
-	mov     in_blk+16(%esp),%edi	/* input adress in edi */
+	add	$crypto_tfm_ctx_offset, %ebp	/* ctx address */
+	mov     in_blk+16(%esp),%edi	/* input address in edi */
 
 	mov	(%edi),		%eax
 	mov	b_offset(%edi),	%ebx
@@ -286,8 +286,8 @@ twofish_dec_blk:
 
 
 	mov	tfm + 16(%esp),	%ebp	/* abuse the base pointer: set new base bointer to the crypto tfm */
-	add	$crypto_tfm_ctx_offset, %ebp	/* ctx adress */
-	mov     in_blk+16(%esp),%edi	/* input adress in edi */
+	add	$crypto_tfm_ctx_offset, %ebp	/* ctx address */
+	mov     in_blk+16(%esp),%edi	/* input address in edi */
 
 	mov	(%edi),		%eax
 	mov	b_offset(%edi),	%ebx
diff --git a/arch/x86/crypto/twofish-x86_64-asm_64.S b/arch/x86/crypto/twofish-x86_64-asm_64.S
index 35974a586615..573aa102542e 100644
--- a/arch/x86/crypto/twofish-x86_64-asm_64.S
+++ b/arch/x86/crypto/twofish-x86_64-asm_64.S
@@ -221,11 +221,11 @@
 twofish_enc_blk:
 	pushq    R1
 
-	/* %rdi contains the crypto tfm adress */
-	/* %rsi contains the output adress */
-	/* %rdx contains the input adress */
-	add	$crypto_tfm_ctx_offset, %rdi	/* set ctx adress */
-	/* ctx adress is moved to free one non-rex register
+	/* %rdi contains the crypto tfm address */
+	/* %rsi contains the output address */
+	/* %rdx contains the input address */
+	add	$crypto_tfm_ctx_offset, %rdi	/* set ctx address */
+	/* ctx address is moved to free one non-rex register
 	as target for the 8bit high operations */
 	mov	%rdi,		%r11
 
@@ -274,11 +274,11 @@ twofish_enc_blk:
 twofish_dec_blk:
 	pushq    R1
 
-	/* %rdi contains the crypto tfm adress */
-	/* %rsi contains the output adress */
-	/* %rdx contains the input adress */
-	add	$crypto_tfm_ctx_offset, %rdi	/* set ctx adress */
-	/* ctx adress is moved to free one non-rex register
+	/* %rdi contains the crypto tfm address */
+	/* %rsi contains the output address */
+	/* %rdx contains the input address */
+	add	$crypto_tfm_ctx_offset, %rdi	/* set ctx address */
+	/* ctx address is moved to free one non-rex register
 	as target for the 8bit high operations */
 	mov	%rdi,		%r11
 
diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c
index 9046e4af66ce..280c019cfad8 100644
--- a/arch/x86/ia32/ia32_aout.c
+++ b/arch/x86/ia32/ia32_aout.c
@@ -327,7 +327,6 @@ static int load_aout_binary(struct linux_binprm *bprm, struct pt_regs *regs)
 	current->mm->free_area_cache = TASK_UNMAPPED_BASE;
 	current->mm->cached_hole_size = 0;
 
-	current->mm->mmap = NULL;
 	install_exec_creds(bprm);
 	current->flags &= ~PF_FORKNOEXEC;
 
diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S
index 53147ad85b96..59b4556a5b92 100644
--- a/arch/x86/ia32/ia32entry.S
+++ b/arch/x86/ia32/ia32entry.S
@@ -563,7 +563,7 @@ ia32_sys_call_table:
 	.quad quiet_ni_syscall			/* old mpx syscall holder */
 	.quad sys_setpgid
 	.quad quiet_ni_syscall			/* old ulimit syscall holder */
-	.quad sys32_olduname
+	.quad sys_olduname
 	.quad sys_umask		/* 60 */
 	.quad sys_chroot
 	.quad compat_sys_ustat
@@ -586,7 +586,7 @@ ia32_sys_call_table:
 	.quad compat_sys_settimeofday
 	.quad sys_getgroups16	/* 80 */
 	.quad sys_setgroups16
-	.quad sys32_old_select
+	.quad compat_sys_old_select
 	.quad sys_symlink
 	.quad sys_lstat
 	.quad sys_readlink		/* 85 */
@@ -613,7 +613,7 @@ ia32_sys_call_table:
 	.quad compat_sys_newstat
 	.quad compat_sys_newlstat
 	.quad compat_sys_newfstat
-	.quad sys32_uname
+	.quad sys_uname
 	.quad stub32_iopl		/* 110 */
 	.quad sys_vhangup
 	.quad quiet_ni_syscall	/* old "idle" system call */
diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c
index 422572c77923..74c35431b7d8 100644
--- a/arch/x86/ia32/sys_ia32.c
+++ b/arch/x86/ia32/sys_ia32.c
@@ -143,7 +143,7 @@ asmlinkage long sys32_fstatat(unsigned int dfd, char __user *filename,
  * block for parameter passing..
  */
 
-struct mmap_arg_struct {
+struct mmap_arg_struct32 {
 	unsigned int addr;
 	unsigned int len;
 	unsigned int prot;
@@ -152,9 +152,9 @@ struct mmap_arg_struct {
 	unsigned int offset;
 };
 
-asmlinkage long sys32_mmap(struct mmap_arg_struct __user *arg)
+asmlinkage long sys32_mmap(struct mmap_arg_struct32 __user *arg)
 {
-	struct mmap_arg_struct a;
+	struct mmap_arg_struct32 a;
 
 	if (copy_from_user(&a, arg, sizeof(a)))
 		return -EFAULT;
@@ -332,24 +332,6 @@ asmlinkage long sys32_alarm(unsigned int seconds)
 	return alarm_setitimer(seconds);
 }
 
-struct sel_arg_struct {
-	unsigned int n;
-	unsigned int inp;
-	unsigned int outp;
-	unsigned int exp;
-	unsigned int tvp;
-};
-
-asmlinkage long sys32_old_select(struct sel_arg_struct __user *arg)
-{
-	struct sel_arg_struct a;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		return -EFAULT;
-	return compat_sys_select(a.n, compat_ptr(a.inp), compat_ptr(a.outp),
-				 compat_ptr(a.exp), compat_ptr(a.tvp));
-}
-
 asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr,
 			      int options)
 {
@@ -466,58 +448,6 @@ asmlinkage long sys32_sendfile(int out_fd, int in_fd,
 	return ret;
 }
 
-asmlinkage long sys32_olduname(struct oldold_utsname __user *name)
-{
-	char *arch = "x86_64";
-	int err;
-
-	if (!name)
-		return -EFAULT;
-	if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
-		return -EFAULT;
-
-	down_read(&uts_sem);
-
-	err = __copy_to_user(&name->sysname, &utsname()->sysname,
-			     __OLD_UTS_LEN);
-	err |= __put_user(0, name->sysname+__OLD_UTS_LEN);
-	err |= __copy_to_user(&name->nodename, &utsname()->nodename,
-			      __OLD_UTS_LEN);
-	err |= __put_user(0, name->nodename+__OLD_UTS_LEN);
-	err |= __copy_to_user(&name->release, &utsname()->release,
-			      __OLD_UTS_LEN);
-	err |= __put_user(0, name->release+__OLD_UTS_LEN);
-	err |= __copy_to_user(&name->version, &utsname()->version,
-			      __OLD_UTS_LEN);
-	err |= __put_user(0, name->version+__OLD_UTS_LEN);
-
-	if (personality(current->personality) == PER_LINUX32)
-		arch = "i686";
-
-	err |= __copy_to_user(&name->machine, arch, strlen(arch) + 1);
-
-	up_read(&uts_sem);
-
-	err = err ? -EFAULT : 0;
-
-	return err;
-}
-
-long sys32_uname(struct old_utsname __user *name)
-{
-	int err;
-
-	if (!name)
-		return -EFAULT;
-	down_read(&uts_sem);
-	err = copy_to_user(name, utsname(), sizeof(*name));
-	up_read(&uts_sem);
-	if (personality(current->personality) == PER_LINUX32)
-		err |= copy_to_user(&name->machine, "i686", 5);
-
-	return err ? -EFAULT : 0;
-}
-
 asmlinkage long sys32_execve(char __user *name, compat_uptr_t __user *argv,
 			     compat_uptr_t __user *envp, struct pt_regs *regs)
 {
diff --git a/arch/x86/include/asm/Kbuild b/arch/x86/include/asm/Kbuild
index 9f828f87ca35..493092efaa3b 100644
--- a/arch/x86/include/asm/Kbuild
+++ b/arch/x86/include/asm/Kbuild
@@ -11,6 +11,7 @@ header-y += sigcontext32.h
 header-y += ucontext.h
 header-y += processor-flags.h
 header-y += hw_breakpoint.h
+header-y += hyperv.h
 
 unifdef-y += e820.h
 unifdef-y += ist.h
diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h
index f1e253ceba4b..b09ec55650b3 100644
--- a/arch/x86/include/asm/alternative.h
+++ b/arch/x86/include/asm/alternative.h
@@ -165,10 +165,12 @@ static inline void apply_paravirt(struct paravirt_patch_site *start,
  * invalid instruction possible) or if the instructions are changed from a
  * consistent state to another consistent state atomically.
  * More care must be taken when modifying code in the SMP case because of
- * Intel's errata.
+ * Intel's errata. text_poke_smp() takes care that errata, but still
+ * doesn't support NMI/MCE handler code modifying.
  * On the local CPU you need to be protected again NMI or MCE handlers seeing an
  * inconsistent instruction while you patch.
  */
 extern void *text_poke(void *addr, const void *opcode, size_t len);
+extern void *text_poke_smp(void *addr, const void *opcode, size_t len);
 
 #endif /* _ASM_X86_ALTERNATIVE_H */
diff --git a/arch/x86/include/asm/apb_timer.h b/arch/x86/include/asm/apb_timer.h
new file mode 100644
index 000000000000..c74a2eebe570
--- /dev/null
+++ b/arch/x86/include/asm/apb_timer.h
@@ -0,0 +1,70 @@
+/*
+ * apb_timer.h: Driver for Langwell APB timer based on Synopsis DesignWare
+ *
+ * (C) Copyright 2009 Intel Corporation
+ * Author: Jacob Pan (jacob.jun.pan@intel.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ *
+ * Note:
+ */
+
+#ifndef ASM_X86_APBT_H
+#define ASM_X86_APBT_H
+#include <linux/sfi.h>
+
+#ifdef CONFIG_APB_TIMER
+
+/* Langwell DW APB timer registers */
+#define APBTMR_N_LOAD_COUNT    0x00
+#define APBTMR_N_CURRENT_VALUE 0x04
+#define APBTMR_N_CONTROL       0x08
+#define APBTMR_N_EOI           0x0c
+#define APBTMR_N_INT_STATUS    0x10
+
+#define APBTMRS_INT_STATUS     0xa0
+#define APBTMRS_EOI            0xa4
+#define APBTMRS_RAW_INT_STATUS 0xa8
+#define APBTMRS_COMP_VERSION   0xac
+#define APBTMRS_REG_SIZE       0x14
+
+/* register bits */
+#define APBTMR_CONTROL_ENABLE  (1<<0)
+#define APBTMR_CONTROL_MODE_PERIODIC   (1<<1) /*1: periodic 0:free running */
+#define APBTMR_CONTROL_INT     (1<<2)
+
+/* default memory mapped register base */
+#define LNW_SCU_ADDR           0xFF100000
+#define LNW_EXT_TIMER_OFFSET   0x1B800
+#define APBT_DEFAULT_BASE      (LNW_SCU_ADDR+LNW_EXT_TIMER_OFFSET)
+#define LNW_EXT_TIMER_PGOFFSET         0x800
+
+/* APBT clock speed range from PCLK to fabric base, 25-100MHz */
+#define APBT_MAX_FREQ          50
+#define APBT_MIN_FREQ          1
+#define APBT_MMAP_SIZE         1024
+
+#define APBT_DEV_USED  1
+
+extern void apbt_time_init(void);
+extern struct clock_event_device *global_clock_event;
+extern unsigned long apbt_quick_calibrate(void);
+extern int arch_setup_apbt_irqs(int irq, int trigger, int mask, int cpu);
+extern void apbt_setup_secondary_clock(void);
+extern unsigned int boot_cpu_id;
+extern int disable_apbt_percpu;
+
+extern struct sfi_timer_table_entry *sfi_get_mtmr(int hint);
+extern void sfi_free_mtmr(struct sfi_timer_table_entry *mtmr);
+extern int sfi_mtimer_num;
+
+#else /* CONFIG_APB_TIMER */
+
+static inline unsigned long apbt_quick_calibrate(void) {return 0; }
+static inline void apbt_time_init(void) {return 0; }
+
+#endif
+#endif /* ASM_X86_APBT_H */
diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h
index 9a9c7bdc923d..306160e58b48 100644
--- a/arch/x86/include/asm/compat.h
+++ b/arch/x86/include/asm/compat.h
@@ -8,7 +8,8 @@
 #include <linux/sched.h>
 #include <asm/user32.h>
 
-#define COMPAT_USER_HZ	100
+#define COMPAT_USER_HZ		100
+#define COMPAT_UTS_MACHINE	"i686\0\0"
 
 typedef u32		compat_size_t;
 typedef s32		compat_ssize_t;
diff --git a/arch/x86/include/asm/e820.h b/arch/x86/include/asm/e820.h
index 761249e396fe..0e22296790d3 100644
--- a/arch/x86/include/asm/e820.h
+++ b/arch/x86/include/asm/e820.h
@@ -111,11 +111,8 @@ extern unsigned long end_user_pfn;
 
 extern u64 find_e820_area(u64 start, u64 end, u64 size, u64 align);
 extern u64 find_e820_area_size(u64 start, u64 *sizep, u64 align);
-extern void reserve_early(u64 start, u64 end, char *name);
-extern void reserve_early_overlap_ok(u64 start, u64 end, char *name);
-extern void free_early(u64 start, u64 end);
-extern void early_res_to_bootmem(u64 start, u64 end);
 extern u64 early_reserve_e820(u64 startt, u64 sizet, u64 align);
+#include <linux/early_res.h>
 
 extern unsigned long e820_end_of_ram_pfn(void);
 extern unsigned long e820_end_of_low_ram_pfn(void);
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
index 635f03bb4995..d07b44f7d1dc 100644
--- a/arch/x86/include/asm/fixmap.h
+++ b/arch/x86/include/asm/fixmap.h
@@ -82,6 +82,9 @@ enum fixed_addresses {
 #endif
 	FIX_DBGP_BASE,
 	FIX_EARLYCON_MEM_BASE,
+#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
+	FIX_OHCI1394_BASE,
+#endif
 #ifdef CONFIG_X86_LOCAL_APIC
 	FIX_APIC_BASE,	/* local (CPU) APIC) -- required for SMP or not */
 #endif
@@ -132,9 +135,6 @@ enum fixed_addresses {
 	   (__end_of_permanent_fixed_addresses & (TOTAL_FIX_BTMAPS - 1))
 	 : __end_of_permanent_fixed_addresses,
 	FIX_BTMAP_BEGIN = FIX_BTMAP_END + TOTAL_FIX_BTMAPS - 1,
-#ifdef CONFIG_PROVIDE_OHCI1394_DMA_INIT
-	FIX_OHCI1394_BASE,
-#endif
 #ifdef CONFIG_X86_32
 	FIX_WP_TEST,
 #endif
diff --git a/arch/x86/include/asm/highmem.h b/arch/x86/include/asm/highmem.h
index 014c2b85ae45..a726650fc80f 100644
--- a/arch/x86/include/asm/highmem.h
+++ b/arch/x86/include/asm/highmem.h
@@ -66,10 +66,6 @@ void *kmap_atomic_pfn(unsigned long pfn, enum km_type type);
 void *kmap_atomic_prot_pfn(unsigned long pfn, enum km_type type, pgprot_t prot);
 struct page *kmap_atomic_to_page(void *ptr);
 
-#ifndef CONFIG_PARAVIRT
-#define kmap_atomic_pte(page, type)	kmap_atomic(page, type)
-#endif
-
 #define flush_cache_kmaps()	do { } while (0)
 
 extern void add_highpages_with_active_regions(int nid, unsigned long start_pfn,
diff --git a/arch/x86/include/asm/hw_breakpoint.h b/arch/x86/include/asm/hw_breakpoint.h
index 0675a7c4c20e..2a1bd8f4f23a 100644
--- a/arch/x86/include/asm/hw_breakpoint.h
+++ b/arch/x86/include/asm/hw_breakpoint.h
@@ -10,7 +10,6 @@
  * (display/resolving)
  */
 struct arch_hw_breakpoint {
-	char		*name; /* Contains name of the symbol to set bkpt */
 	unsigned long	address;
 	u8		len;
 	u8		type;
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h
index eeac829a0f44..46c0fe05f230 100644
--- a/arch/x86/include/asm/hw_irq.h
+++ b/arch/x86/include/asm/hw_irq.h
@@ -53,13 +53,6 @@ extern void threshold_interrupt(void);
 extern void call_function_interrupt(void);
 extern void call_function_single_interrupt(void);
 
-/* PIC specific functions */
-extern void disable_8259A_irq(unsigned int irq);
-extern void enable_8259A_irq(unsigned int irq);
-extern int i8259A_irq_pending(unsigned int irq);
-extern void make_8259A_irq(unsigned int irq);
-extern void init_8259A(int aeoi);
-
 /* IOAPIC */
 #define IO_APIC_IRQ(x) (((x) >= NR_IRQS_LEGACY) || ((1<<(x)) & io_apic_irqs))
 extern unsigned long io_apic_irqs;
@@ -140,6 +133,7 @@ extern void (*__initconst interrupt[NR_VECTORS-FIRST_EXTERNAL_VECTOR])(void);
 
 typedef int vector_irq_t[NR_VECTORS];
 DECLARE_PER_CPU(vector_irq_t, vector_irq);
+extern void setup_vector_irq(int cpu);
 
 #ifdef CONFIG_X86_IO_APIC
 extern void lock_vector_lock(void);
diff --git a/arch/x86/include/asm/hyperv.h b/arch/x86/include/asm/hyperv.h
new file mode 100644
index 000000000000..e153a2b3889a
--- /dev/null
+++ b/arch/x86/include/asm/hyperv.h
@@ -0,0 +1,186 @@
+#ifndef _ASM_X86_KVM_HYPERV_H
+#define _ASM_X86_KVM_HYPERV_H
+
+#include <linux/types.h>
+
+/*
+ * The below CPUID leaves are present if VersionAndFeatures.HypervisorPresent
+ * is set by CPUID(HvCpuIdFunctionVersionAndFeatures).
+ */
+#define HYPERV_CPUID_VENDOR_AND_MAX_FUNCTIONS	0x40000000
+#define HYPERV_CPUID_INTERFACE			0x40000001
+#define HYPERV_CPUID_VERSION			0x40000002
+#define HYPERV_CPUID_FEATURES			0x40000003
+#define HYPERV_CPUID_ENLIGHTMENT_INFO		0x40000004
+#define HYPERV_CPUID_IMPLEMENT_LIMITS		0x40000005
+
+/*
+ * Feature identification. EAX indicates which features are available
+ * to the partition based upon the current partition privileges.
+ */
+
+/* VP Runtime (HV_X64_MSR_VP_RUNTIME) available */
+#define HV_X64_MSR_VP_RUNTIME_AVAILABLE		(1 << 0)
+/* Partition Reference Counter (HV_X64_MSR_TIME_REF_COUNT) available*/
+#define HV_X64_MSR_TIME_REF_COUNT_AVAILABLE	(1 << 1)
+/*
+ * Basic SynIC MSRs (HV_X64_MSR_SCONTROL through HV_X64_MSR_EOM
+ * and HV_X64_MSR_SINT0 through HV_X64_MSR_SINT15) available
+ */
+#define HV_X64_MSR_SYNIC_AVAILABLE		(1 << 2)
+/*
+ * Synthetic Timer MSRs (HV_X64_MSR_STIMER0_CONFIG through
+ * HV_X64_MSR_STIMER3_COUNT) available
+ */
+#define HV_X64_MSR_SYNTIMER_AVAILABLE		(1 << 3)
+/*
+ * APIC access MSRs (HV_X64_MSR_EOI, HV_X64_MSR_ICR and HV_X64_MSR_TPR)
+ * are available
+ */
+#define HV_X64_MSR_APIC_ACCESS_AVAILABLE	(1 << 4)
+/* Hypercall MSRs (HV_X64_MSR_GUEST_OS_ID and HV_X64_MSR_HYPERCALL) available*/
+#define HV_X64_MSR_HYPERCALL_AVAILABLE		(1 << 5)
+/* Access virtual processor index MSR (HV_X64_MSR_VP_INDEX) available*/
+#define HV_X64_MSR_VP_INDEX_AVAILABLE		(1 << 6)
+/* Virtual system reset MSR (HV_X64_MSR_RESET) is available*/
+#define HV_X64_MSR_RESET_AVAILABLE		(1 << 7)
+ /*
+  * Access statistics pages MSRs (HV_X64_MSR_STATS_PARTITION_RETAIL_PAGE,
+  * HV_X64_MSR_STATS_PARTITION_INTERNAL_PAGE, HV_X64_MSR_STATS_VP_RETAIL_PAGE,
+  * HV_X64_MSR_STATS_VP_INTERNAL_PAGE) available
+  */
+#define HV_X64_MSR_STAT_PAGES_AVAILABLE		(1 << 8)
+
+/*
+ * Feature identification: EBX indicates which flags were specified at
+ * partition creation. The format is the same as the partition creation
+ * flag structure defined in section Partition Creation Flags.
+ */
+#define HV_X64_CREATE_PARTITIONS		(1 << 0)
+#define HV_X64_ACCESS_PARTITION_ID		(1 << 1)
+#define HV_X64_ACCESS_MEMORY_POOL		(1 << 2)
+#define HV_X64_ADJUST_MESSAGE_BUFFERS		(1 << 3)
+#define HV_X64_POST_MESSAGES			(1 << 4)
+#define HV_X64_SIGNAL_EVENTS			(1 << 5)
+#define HV_X64_CREATE_PORT			(1 << 6)
+#define HV_X64_CONNECT_PORT			(1 << 7)
+#define HV_X64_ACCESS_STATS			(1 << 8)
+#define HV_X64_DEBUGGING			(1 << 11)
+#define HV_X64_CPU_POWER_MANAGEMENT		(1 << 12)
+#define HV_X64_CONFIGURE_PROFILER		(1 << 13)
+
+/*
+ * Feature identification. EDX indicates which miscellaneous features
+ * are available to the partition.
+ */
+/* The MWAIT instruction is available (per section MONITOR / MWAIT) */
+#define HV_X64_MWAIT_AVAILABLE				(1 << 0)
+/* Guest debugging support is available */
+#define HV_X64_GUEST_DEBUGGING_AVAILABLE		(1 << 1)
+/* Performance Monitor support is available*/
+#define HV_X64_PERF_MONITOR_AVAILABLE			(1 << 2)
+/* Support for physical CPU dynamic partitioning events is available*/
+#define HV_X64_CPU_DYNAMIC_PARTITIONING_AVAILABLE	(1 << 3)
+/*
+ * Support for passing hypercall input parameter block via XMM
+ * registers is available
+ */
+#define HV_X64_HYPERCALL_PARAMS_XMM_AVAILABLE		(1 << 4)
+/* Support for a virtual guest idle state is available */
+#define HV_X64_GUEST_IDLE_STATE_AVAILABLE		(1 << 5)
+
+/*
+ * Implementation recommendations. Indicates which behaviors the hypervisor
+ * recommends the OS implement for optimal performance.
+ */
+ /*
+  * Recommend using hypercall for address space switches rather
+  * than MOV to CR3 instruction
+  */
+#define HV_X64_MWAIT_RECOMMENDED		(1 << 0)
+/* Recommend using hypercall for local TLB flushes rather
+ * than INVLPG or MOV to CR3 instructions */
+#define HV_X64_LOCAL_TLB_FLUSH_RECOMMENDED	(1 << 1)
+/*
+ * Recommend using hypercall for remote TLB flushes rather
+ * than inter-processor interrupts
+ */
+#define HV_X64_REMOTE_TLB_FLUSH_RECOMMENDED	(1 << 2)
+/*
+ * Recommend using MSRs for accessing APIC registers
+ * EOI, ICR and TPR rather than their memory-mapped counterparts
+ */
+#define HV_X64_APIC_ACCESS_RECOMMENDED		(1 << 3)
+/* Recommend using the hypervisor-provided MSR to initiate a system RESET */
+#define HV_X64_SYSTEM_RESET_RECOMMENDED		(1 << 4)
+/*
+ * Recommend using relaxed timing for this partition. If used,
+ * the VM should disable any watchdog timeouts that rely on the
+ * timely delivery of external interrupts
+ */
+#define HV_X64_RELAXED_TIMING_RECOMMENDED	(1 << 5)
+
+/* MSR used to identify the guest OS. */
+#define HV_X64_MSR_GUEST_OS_ID			0x40000000
+
+/* MSR used to setup pages used to communicate with the hypervisor. */
+#define HV_X64_MSR_HYPERCALL			0x40000001
+
+/* MSR used to provide vcpu index */
+#define HV_X64_MSR_VP_INDEX			0x40000002
+
+/* Define the virtual APIC registers */
+#define HV_X64_MSR_EOI				0x40000070
+#define HV_X64_MSR_ICR				0x40000071
+#define HV_X64_MSR_TPR				0x40000072
+#define HV_X64_MSR_APIC_ASSIST_PAGE		0x40000073
+
+/* Define synthetic interrupt controller model specific registers. */
+#define HV_X64_MSR_SCONTROL			0x40000080
+#define HV_X64_MSR_SVERSION			0x40000081
+#define HV_X64_MSR_SIEFP			0x40000082
+#define HV_X64_MSR_SIMP				0x40000083
+#define HV_X64_MSR_EOM				0x40000084
+#define HV_X64_MSR_SINT0			0x40000090
+#define HV_X64_MSR_SINT1			0x40000091
+#define HV_X64_MSR_SINT2			0x40000092
+#define HV_X64_MSR_SINT3			0x40000093
+#define HV_X64_MSR_SINT4			0x40000094
+#define HV_X64_MSR_SINT5			0x40000095
+#define HV_X64_MSR_SINT6			0x40000096
+#define HV_X64_MSR_SINT7			0x40000097
+#define HV_X64_MSR_SINT8			0x40000098
+#define HV_X64_MSR_SINT9			0x40000099
+#define HV_X64_MSR_SINT10			0x4000009A
+#define HV_X64_MSR_SINT11			0x4000009B
+#define HV_X64_MSR_SINT12			0x4000009C
+#define HV_X64_MSR_SINT13			0x4000009D
+#define HV_X64_MSR_SINT14			0x4000009E
+#define HV_X64_MSR_SINT15			0x4000009F
+
+
+#define HV_X64_MSR_HYPERCALL_ENABLE		0x00000001
+#define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT	12
+#define HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_MASK	\
+		(~((1ull << HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT) - 1))
+
+/* Declare the various hypercall operations. */
+#define HV_X64_HV_NOTIFY_LONG_SPIN_WAIT		0x0008
+
+#define HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE		0x00000001
+#define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT	12
+#define HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_MASK	\
+		(~((1ull << HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT) - 1))
+
+#define HV_PROCESSOR_POWER_STATE_C0		0
+#define HV_PROCESSOR_POWER_STATE_C1		1
+#define HV_PROCESSOR_POWER_STATE_C2		2
+#define HV_PROCESSOR_POWER_STATE_C3		3
+
+/* hypercall status code */
+#define HV_STATUS_SUCCESS			0
+#define HV_STATUS_INVALID_HYPERCALL_CODE	2
+#define HV_STATUS_INVALID_HYPERCALL_INPUT	3
+#define HV_STATUS_INVALID_ALIGNMENT		4
+
+#endif
diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h
index 58d7091eeb1f..1655147646aa 100644
--- a/arch/x86/include/asm/i8259.h
+++ b/arch/x86/include/asm/i8259.h
@@ -24,12 +24,7 @@ extern unsigned int cached_irq_mask;
 #define SLAVE_ICW4_DEFAULT	0x01
 #define PIC_ICW4_AEOI		2
 
-extern spinlock_t i8259A_lock;
-
-extern void init_8259A(int auto_eoi);
-extern void enable_8259A_irq(unsigned int irq);
-extern void disable_8259A_irq(unsigned int irq);
-extern unsigned int startup_8259A_irq(unsigned int irq);
+extern raw_spinlock_t i8259A_lock;
 
 /* the PIC may need a careful delay on some platforms, hence specific calls */
 static inline unsigned char inb_pic(unsigned int port)
@@ -57,7 +52,17 @@ static inline void outb_pic(unsigned char value, unsigned int port)
 
 extern struct irq_chip i8259A_chip;
 
-extern void mask_8259A(void);
-extern void unmask_8259A(void);
+struct legacy_pic {
+	int nr_legacy_irqs;
+	struct irq_chip *chip;
+	void (*mask_all)(void);
+	void (*restore_mask)(void);
+	void (*init)(int auto_eoi);
+	int (*irq_pending)(unsigned int irq);
+	void (*make_irq)(unsigned int irq);
+};
+
+extern struct legacy_pic *legacy_pic;
+extern struct legacy_pic null_legacy_pic;
 
 #endif /* _ASM_X86_I8259_H */
diff --git a/arch/x86/include/asm/io_apic.h b/arch/x86/include/asm/io_apic.h
index 7c7c16cde1f8..35832a03a515 100644
--- a/arch/x86/include/asm/io_apic.h
+++ b/arch/x86/include/asm/io_apic.h
@@ -143,8 +143,6 @@ extern int noioapicreroute;
 /* 1 if the timer IRQ uses the '8259A Virtual Wire' mode */
 extern int timer_through_8259;
 
-extern void io_apic_disable_legacy(void);
-
 /*
  * If we use the IO-APIC for IRQ routing, disable automatic
  * assignment of PCI IRQ's.
@@ -160,6 +158,7 @@ extern int io_apic_get_redir_entries(int ioapic);
 struct io_apic_irq_attr;
 extern int io_apic_set_pci_routing(struct device *dev, int irq,
 		 struct io_apic_irq_attr *irq_attr);
+void setup_IO_APIC_irq_extra(u32 gsi);
 extern int (*ioapic_renumber_irq)(int ioapic, int irq);
 extern void ioapic_init_mappings(void);
 extern void ioapic_insert_resources(void);
@@ -188,6 +187,7 @@ extern struct mp_ioapic_gsi  mp_gsi_routing[];
 int mp_find_ioapic(int gsi);
 int mp_find_ioapic_pin(int ioapic, int gsi);
 void __init mp_register_ioapic(int id, u32 address, u32 gsi_base);
+extern void __init pre_init_apic_IRQ0(void);
 
 #else  /* !CONFIG_X86_IO_APIC */
 
@@ -197,7 +197,11 @@ static const int timer_through_8259 = 0;
 static inline void ioapic_init_mappings(void)	{ }
 static inline void ioapic_insert_resources(void) { }
 static inline void probe_nr_irqs_gsi(void)	{ }
+static inline int mp_find_ioapic(int gsi) { return 0; }
 
+struct io_apic_irq_attr;
+static inline int io_apic_set_pci_routing(struct device *dev, int irq,
+		 struct io_apic_irq_attr *irq_attr) { return 0; }
 #endif
 
 #endif /* _ASM_X86_IO_APIC_H */
diff --git a/arch/x86/include/asm/irq_vectors.h b/arch/x86/include/asm/irq_vectors.h
index 4611f085cd43..8767d99c4f64 100644
--- a/arch/x86/include/asm/irq_vectors.h
+++ b/arch/x86/include/asm/irq_vectors.h
@@ -28,28 +28,33 @@
 #define MCE_VECTOR			0x12
 
 /*
- * IDT vectors usable for external interrupt sources start
- * at 0x20:
+ * IDT vectors usable for external interrupt sources start at 0x20.
+ * (0x80 is the syscall vector, 0x30-0x3f are for ISA)
  */
 #define FIRST_EXTERNAL_VECTOR		0x20
-
-#ifdef CONFIG_X86_32
-# define SYSCALL_VECTOR			0x80
-# define IA32_SYSCALL_VECTOR		0x80
-#else
-# define IA32_SYSCALL_VECTOR		0x80
-#endif
+/*
+ * We start allocating at 0x21 to spread out vectors evenly between
+ * priority levels. (0x80 is the syscall vector)
+ */
+#define VECTOR_OFFSET_START		1
 
 /*
- * Reserve the lowest usable priority level 0x20 - 0x2f for triggering
- * cleanup after irq migration.
+ * Reserve the lowest usable vector (and hence lowest priority)  0x20 for
+ * triggering cleanup after irq migration. 0x21-0x2f will still be used
+ * for device interrupts.
  */
 #define IRQ_MOVE_CLEANUP_VECTOR		FIRST_EXTERNAL_VECTOR
 
+#define IA32_SYSCALL_VECTOR		0x80
+#ifdef CONFIG_X86_32
+# define SYSCALL_VECTOR			0x80
+#endif
+
 /*
  * Vectors 0x30-0x3f are used for ISA interrupts.
+ *   round up to the next 16-vector boundary
  */
-#define IRQ0_VECTOR			(FIRST_EXTERNAL_VECTOR + 0x10)
+#define IRQ0_VECTOR			((FIRST_EXTERNAL_VECTOR + 16) & ~15)
 
 #define IRQ1_VECTOR			(IRQ0_VECTOR +  1)
 #define IRQ2_VECTOR			(IRQ0_VECTOR +  2)
@@ -120,13 +125,6 @@
  */
 #define MCE_SELF_VECTOR			0xeb
 
-/*
- * First APIC vector available to drivers: (vectors 0x30-0xee) we
- * start at 0x31(0x41) to spread out vectors evenly between priority
- * levels. (0x80 is the syscall vector)
- */
-#define FIRST_DEVICE_VECTOR		(IRQ15_VECTOR + 2)
-
 #define NR_VECTORS			 256
 
 #define FPU_IRQ				  13
@@ -154,21 +152,21 @@ static inline int invalid_vm86_irq(int irq)
 
 #define NR_IRQS_LEGACY			  16
 
-#define CPU_VECTOR_LIMIT		(  8 * NR_CPUS      )
 #define IO_APIC_VECTOR_LIMIT		( 32 * MAX_IO_APICS )
 
 #ifdef CONFIG_X86_IO_APIC
 # ifdef CONFIG_SPARSE_IRQ
+#  define CPU_VECTOR_LIMIT		(64 * NR_CPUS)
 #  define NR_IRQS					\
 	(CPU_VECTOR_LIMIT > IO_APIC_VECTOR_LIMIT ?	\
 		(NR_VECTORS + CPU_VECTOR_LIMIT)  :	\
 		(NR_VECTORS + IO_APIC_VECTOR_LIMIT))
 # else
-#  if NR_CPUS < MAX_IO_APICS
-#   define NR_IRQS 			(NR_VECTORS + 4*CPU_VECTOR_LIMIT)
-#  else
-#   define NR_IRQS			(NR_VECTORS + IO_APIC_VECTOR_LIMIT)
-#  endif
+#  define CPU_VECTOR_LIMIT		(32 * NR_CPUS)
+#  define NR_IRQS					\
+	(CPU_VECTOR_LIMIT < IO_APIC_VECTOR_LIMIT ?	\
+		(NR_VECTORS + CPU_VECTOR_LIMIT)  :	\
+		(NR_VECTORS + IO_APIC_VECTOR_LIMIT))
 # endif
 #else /* !CONFIG_X86_IO_APIC: */
 # define NR_IRQS			NR_IRQS_LEGACY
diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h
index 4fe681de1e76..4ffa345a8ccb 100644
--- a/arch/x86/include/asm/kprobes.h
+++ b/arch/x86/include/asm/kprobes.h
@@ -32,7 +32,10 @@ struct kprobe;
 
 typedef u8 kprobe_opcode_t;
 #define BREAKPOINT_INSTRUCTION	0xcc
-#define RELATIVEJUMP_INSTRUCTION 0xe9
+#define RELATIVEJUMP_OPCODE 0xe9
+#define RELATIVEJUMP_SIZE 5
+#define RELATIVECALL_OPCODE 0xe8
+#define RELATIVE_ADDR_SIZE 4
 #define MAX_INSN_SIZE 16
 #define MAX_STACK_SIZE 64
 #define MIN_STACK_SIZE(ADDR)					       \
@@ -44,6 +47,17 @@ typedef u8 kprobe_opcode_t;
 
 #define flush_insn_slot(p)	do { } while (0)
 
+/* optinsn template addresses */
+extern kprobe_opcode_t optprobe_template_entry;
+extern kprobe_opcode_t optprobe_template_val;
+extern kprobe_opcode_t optprobe_template_call;
+extern kprobe_opcode_t optprobe_template_end;
+#define MAX_OPTIMIZED_LENGTH (MAX_INSN_SIZE + RELATIVE_ADDR_SIZE)
+#define MAX_OPTINSN_SIZE 				\
+	(((unsigned long)&optprobe_template_end -	\
+	  (unsigned long)&optprobe_template_entry) +	\
+	 MAX_OPTIMIZED_LENGTH + RELATIVEJUMP_SIZE)
+
 extern const int kretprobe_blacklist_size;
 
 void arch_remove_kprobe(struct kprobe *p);
@@ -64,6 +78,21 @@ struct arch_specific_insn {
 	int boostable;
 };
 
+struct arch_optimized_insn {
+	/* copy of the original instructions */
+	kprobe_opcode_t copied_insn[RELATIVE_ADDR_SIZE];
+	/* detour code buffer */
+	kprobe_opcode_t *insn;
+	/* the size of instructions copied to detour code buffer */
+	size_t size;
+};
+
+/* Return true (!0) if optinsn is prepared for optimization. */
+static inline int arch_prepared_optinsn(struct arch_optimized_insn *optinsn)
+{
+	return optinsn->size;
+}
+
 struct prev_kprobe {
 	struct kprobe *kp;
 	unsigned long status;
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index 7c18e1230f54..7a6f54fa13ba 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -54,13 +54,23 @@ struct x86_emulate_ctxt;
 struct x86_emulate_ops {
 	/*
 	 * read_std: Read bytes of standard (non-emulated/special) memory.
-	 *           Used for instruction fetch, stack operations, and others.
+	 *           Used for descriptor reading.
 	 *  @addr:  [IN ] Linear address from which to read.
 	 *  @val:   [OUT] Value read from memory, zero-extended to 'u_long'.
 	 *  @bytes: [IN ] Number of bytes to read from memory.
 	 */
 	int (*read_std)(unsigned long addr, void *val,
-			unsigned int bytes, struct kvm_vcpu *vcpu);
+			unsigned int bytes, struct kvm_vcpu *vcpu, u32 *error);
+
+	/*
+	 * fetch: Read bytes of standard (non-emulated/special) memory.
+	 *        Used for instruction fetch.
+	 *  @addr:  [IN ] Linear address from which to read.
+	 *  @val:   [OUT] Value read from memory, zero-extended to 'u_long'.
+	 *  @bytes: [IN ] Number of bytes to read from memory.
+	 */
+	int (*fetch)(unsigned long addr, void *val,
+			unsigned int bytes, struct kvm_vcpu *vcpu, u32 *error);
 
 	/*
 	 * read_emulated: Read bytes from emulated/special memory area.
@@ -74,7 +84,7 @@ struct x86_emulate_ops {
 			     struct kvm_vcpu *vcpu);
 
 	/*
-	 * write_emulated: Read bytes from emulated/special memory area.
+	 * write_emulated: Write bytes to emulated/special memory area.
 	 *  @addr:  [IN ] Linear address to which to write.
 	 *  @val:   [IN ] Value to write to memory (low-order bytes used as
 	 *                required).
@@ -168,6 +178,7 @@ struct x86_emulate_ctxt {
 
 /* Execution mode, passed to the emulator. */
 #define X86EMUL_MODE_REAL     0	/* Real mode.             */
+#define X86EMUL_MODE_VM86     1	/* Virtual 8086 mode.     */
 #define X86EMUL_MODE_PROT16   2	/* 16-bit protected mode. */
 #define X86EMUL_MODE_PROT32   4	/* 32-bit protected mode. */
 #define X86EMUL_MODE_PROT64   8	/* 64-bit (long) mode.    */
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 4f865e8b8540..06d9e79ca37d 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -25,7 +25,7 @@
 #include <asm/mtrr.h>
 #include <asm/msr-index.h>
 
-#define KVM_MAX_VCPUS 16
+#define KVM_MAX_VCPUS 64
 #define KVM_MEMORY_SLOTS 32
 /* memory slots that does not exposed to userspace */
 #define KVM_PRIVATE_MEM_SLOTS 4
@@ -38,19 +38,6 @@
 #define CR3_L_MODE_RESERVED_BITS (CR3_NONPAE_RESERVED_BITS |	\
 				  0xFFFFFF0000000000ULL)
 
-#define KVM_GUEST_CR0_MASK_UNRESTRICTED_GUEST				\
-	(X86_CR0_WP | X86_CR0_NE | X86_CR0_NW | X86_CR0_CD)
-#define KVM_GUEST_CR0_MASK						\
-	(KVM_GUEST_CR0_MASK_UNRESTRICTED_GUEST | X86_CR0_PG | X86_CR0_PE)
-#define KVM_VM_CR0_ALWAYS_ON_UNRESTRICTED_GUEST				\
-	(X86_CR0_WP | X86_CR0_NE | X86_CR0_TS | X86_CR0_MP)
-#define KVM_VM_CR0_ALWAYS_ON						\
-	(KVM_VM_CR0_ALWAYS_ON_UNRESTRICTED_GUEST | X86_CR0_PG | X86_CR0_PE)
-#define KVM_GUEST_CR4_MASK						\
-	(X86_CR4_VME | X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE | X86_CR4_VMXE)
-#define KVM_PMODE_VM_CR4_ALWAYS_ON (X86_CR4_PAE | X86_CR4_VMXE)
-#define KVM_RMODE_VM_CR4_ALWAYS_ON (X86_CR4_VME | X86_CR4_PAE | X86_CR4_VMXE)
-
 #define INVALID_PAGE (~(hpa_t)0)
 #define UNMAPPED_GVA (~(gpa_t)0)
 
@@ -256,7 +243,8 @@ struct kvm_mmu {
 	void (*new_cr3)(struct kvm_vcpu *vcpu);
 	int (*page_fault)(struct kvm_vcpu *vcpu, gva_t gva, u32 err);
 	void (*free)(struct kvm_vcpu *vcpu);
-	gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva);
+	gpa_t (*gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t gva, u32 access,
+			    u32 *error);
 	void (*prefetch_page)(struct kvm_vcpu *vcpu,
 			      struct kvm_mmu_page *page);
 	int (*sync_page)(struct kvm_vcpu *vcpu,
@@ -282,13 +270,15 @@ struct kvm_vcpu_arch {
 	u32 regs_dirty;
 
 	unsigned long cr0;
+	unsigned long cr0_guest_owned_bits;
 	unsigned long cr2;
 	unsigned long cr3;
 	unsigned long cr4;
+	unsigned long cr4_guest_owned_bits;
 	unsigned long cr8;
 	u32 hflags;
 	u64 pdptrs[4]; /* pae */
-	u64 shadow_efer;
+	u64 efer;
 	u64 apic_base;
 	struct kvm_lapic *apic;    /* kernel irqchip context */
 	int32_t apic_arb_prio;
@@ -374,17 +364,27 @@ struct kvm_vcpu_arch {
 	/* used for guest single stepping over the given code position */
 	u16 singlestep_cs;
 	unsigned long singlestep_rip;
+	/* fields used by HYPER-V emulation */
+	u64 hv_vapic;
 };
 
 struct kvm_mem_alias {
 	gfn_t base_gfn;
 	unsigned long npages;
 	gfn_t target_gfn;
+#define KVM_ALIAS_INVALID     1UL
+	unsigned long flags;
 };
 
-struct kvm_arch{
-	int naliases;
+#define KVM_ARCH_HAS_UNALIAS_INSTANTIATION
+
+struct kvm_mem_aliases {
 	struct kvm_mem_alias aliases[KVM_ALIAS_SLOTS];
+	int naliases;
+};
+
+struct kvm_arch {
+	struct kvm_mem_aliases *aliases;
 
 	unsigned int n_free_mmu_pages;
 	unsigned int n_requested_mmu_pages;
@@ -416,6 +416,10 @@ struct kvm_arch{
 	s64 kvmclock_offset;
 
 	struct kvm_xen_hvm_config xen_hvm_config;
+
+	/* fields used by HYPER-V emulation */
+	u64 hv_guest_os_id;
+	u64 hv_hypercall;
 };
 
 struct kvm_vm_stat {
@@ -471,6 +475,7 @@ struct kvm_x86_ops {
 	int (*hardware_setup)(void);               /* __init */
 	void (*hardware_unsetup)(void);            /* __exit */
 	bool (*cpu_has_accelerated_tpr)(void);
+	void (*cpuid_update)(struct kvm_vcpu *vcpu);
 
 	/* Create, but do not attach this VCPU */
 	struct kvm_vcpu *(*vcpu_create)(struct kvm *kvm, unsigned id);
@@ -492,6 +497,7 @@ struct kvm_x86_ops {
 	void (*set_segment)(struct kvm_vcpu *vcpu,
 			    struct kvm_segment *var, int seg);
 	void (*get_cs_db_l_bits)(struct kvm_vcpu *vcpu, int *db, int *l);
+	void (*decache_cr0_guest_bits)(struct kvm_vcpu *vcpu);
 	void (*decache_cr4_guest_bits)(struct kvm_vcpu *vcpu);
 	void (*set_cr0)(struct kvm_vcpu *vcpu, unsigned long cr0);
 	void (*set_cr3)(struct kvm_vcpu *vcpu, unsigned long cr3);
@@ -501,12 +507,13 @@ struct kvm_x86_ops {
 	void (*set_idt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
 	void (*get_gdt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
 	void (*set_gdt)(struct kvm_vcpu *vcpu, struct descriptor_table *dt);
-	unsigned long (*get_dr)(struct kvm_vcpu *vcpu, int dr);
-	void (*set_dr)(struct kvm_vcpu *vcpu, int dr, unsigned long value,
-		       int *exception);
+	int (*get_dr)(struct kvm_vcpu *vcpu, int dr, unsigned long *dest);
+	int (*set_dr)(struct kvm_vcpu *vcpu, int dr, unsigned long value);
 	void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg);
 	unsigned long (*get_rflags)(struct kvm_vcpu *vcpu);
 	void (*set_rflags)(struct kvm_vcpu *vcpu, unsigned long rflags);
+	void (*fpu_activate)(struct kvm_vcpu *vcpu);
+	void (*fpu_deactivate)(struct kvm_vcpu *vcpu);
 
 	void (*tlb_flush)(struct kvm_vcpu *vcpu);
 
@@ -531,7 +538,8 @@ struct kvm_x86_ops {
 	int (*set_tss_addr)(struct kvm *kvm, unsigned int addr);
 	int (*get_tdp_level)(void);
 	u64 (*get_mt_mask)(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio);
-	bool (*gb_page_enable)(void);
+	int (*get_lpage_level)(void);
+	bool (*rdtscp_supported)(void);
 
 	const struct trace_print_flags *exit_reasons_str;
 };
@@ -606,8 +614,7 @@ int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr,
 		    unsigned long value);
 
 void kvm_get_segment(struct kvm_vcpu *vcpu, struct kvm_segment *var, int seg);
-int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
-				int type_bits, int seg);
+int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg);
 
 int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason);
 
@@ -653,6 +660,10 @@ void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu);
 int kvm_mmu_load(struct kvm_vcpu *vcpu);
 void kvm_mmu_unload(struct kvm_vcpu *vcpu);
 void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu);
+gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva, u32 *error);
+gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva, u32 *error);
+gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva, u32 *error);
+gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, u32 *error);
 
 int kvm_emulate_hypercall(struct kvm_vcpu *vcpu);
 
@@ -666,6 +677,7 @@ void kvm_disable_tdp(void);
 
 int load_pdptrs(struct kvm_vcpu *vcpu, unsigned long cr3);
 int complete_pio(struct kvm_vcpu *vcpu);
+bool kvm_check_iopl(struct kvm_vcpu *vcpu);
 
 struct kvm_memory_slot *gfn_to_memslot_unaliased(struct kvm *kvm, gfn_t gfn);
 
diff --git a/arch/x86/include/asm/kvm_para.h b/arch/x86/include/asm/kvm_para.h
index c584076a47f4..ffae1420e7d7 100644
--- a/arch/x86/include/asm/kvm_para.h
+++ b/arch/x86/include/asm/kvm_para.h
@@ -2,6 +2,7 @@
 #define _ASM_X86_KVM_PARA_H
 
 #include <linux/types.h>
+#include <asm/hyperv.h>
 
 /* This CPUID returns the signature 'KVMKVMKVM' in ebx, ecx, and edx.  It
  * should be used to determine that a VM is running under KVM.
diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h
index 47b9b6f19057..2e9972468a5d 100644
--- a/arch/x86/include/asm/local.h
+++ b/arch/x86/include/asm/local.h
@@ -195,41 +195,4 @@ static inline long local_sub_return(long i, local_t *l)
 #define __local_add(i, l)	local_add((i), (l))
 #define __local_sub(i, l)	local_sub((i), (l))
 
-/* Use these for per-cpu local_t variables: on some archs they are
- * much more efficient than these naive implementations.  Note they take
- * a variable, not an address.
- *
- * X86_64: This could be done better if we moved the per cpu data directly
- * after GS.
- */
-
-/* Need to disable preemption for the cpu local counters otherwise we could
-   still access a variable of a previous CPU in a non atomic way. */
-#define cpu_local_wrap_v(l)		\
-({					\
-	local_t res__;			\
-	preempt_disable(); 		\
-	res__ = (l);			\
-	preempt_enable();		\
-	res__;				\
-})
-#define cpu_local_wrap(l)		\
-({					\
-	preempt_disable();		\
-	(l);				\
-	preempt_enable();		\
-})					\
-
-#define cpu_local_read(l)    cpu_local_wrap_v(local_read(&__get_cpu_var((l))))
-#define cpu_local_set(l, i)  cpu_local_wrap(local_set(&__get_cpu_var((l)), (i)))
-#define cpu_local_inc(l)     cpu_local_wrap(local_inc(&__get_cpu_var((l))))
-#define cpu_local_dec(l)     cpu_local_wrap(local_dec(&__get_cpu_var((l))))
-#define cpu_local_add(i, l)  cpu_local_wrap(local_add((i), &__get_cpu_var((l))))
-#define cpu_local_sub(i, l)  cpu_local_wrap(local_sub((i), &__get_cpu_var((l))))
-
-#define __cpu_local_inc(l)	cpu_local_inc((l))
-#define __cpu_local_dec(l)	cpu_local_dec((l))
-#define __cpu_local_add(i, l)	cpu_local_add((i), (l))
-#define __cpu_local_sub(i, l)	cpu_local_sub((i), (l))
-
 #endif /* _ASM_X86_LOCAL_H */
diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h
new file mode 100644
index 000000000000..451d30e7f62d
--- /dev/null
+++ b/arch/x86/include/asm/mrst.h
@@ -0,0 +1,19 @@
+/*
+ * mrst.h: Intel Moorestown platform specific setup code
+ *
+ * (C) Copyright 2009 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ */
+#ifndef _ASM_X86_MRST_H
+#define _ASM_X86_MRST_H
+extern int pci_mrst_init(void);
+int __init sfi_parse_mrtc(struct sfi_table_header *table);
+
+#define SFI_MTMR_MAX_NUM 8
+#define SFI_MRTC_MAX	8
+
+#endif /* _ASM_X86_MRST_H */
diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index 1cd58cdbc03f..4604e6a54d36 100644
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -105,6 +105,8 @@
 #define MSR_AMD64_PATCH_LEVEL		0x0000008b
 #define MSR_AMD64_NB_CFG		0xc001001f
 #define MSR_AMD64_PATCH_LOADER		0xc0010020
+#define MSR_AMD64_OSVW_ID_LENGTH	0xc0010140
+#define MSR_AMD64_OSVW_STATUS		0xc0010141
 #define MSR_AMD64_IBSFETCHCTL		0xc0011030
 #define MSR_AMD64_IBSFETCHLINAD		0xc0011031
 #define MSR_AMD64_IBSFETCHPHYSAD	0xc0011032
diff --git a/arch/x86/include/asm/numaq.h b/arch/x86/include/asm/numaq.h
index 13370b95ea94..37c516545ec8 100644
--- a/arch/x86/include/asm/numaq.h
+++ b/arch/x86/include/asm/numaq.h
@@ -30,6 +30,7 @@
 
 extern int found_numaq;
 extern int get_memcfg_numaq(void);
+extern int pci_numaq_init(void);
 
 extern void *xquad_portio;
 
diff --git a/arch/x86/include/asm/olpc.h b/arch/x86/include/asm/olpc.h
index 3a57385d9fa7..101229b0d8ed 100644
--- a/arch/x86/include/asm/olpc.h
+++ b/arch/x86/include/asm/olpc.h
@@ -13,7 +13,6 @@ struct olpc_platform_t {
 
 #define OLPC_F_PRESENT		0x01
 #define OLPC_F_DCON		0x02
-#define OLPC_F_VSA		0x04
 
 #ifdef CONFIG_OLPC
 
@@ -51,18 +50,6 @@ static inline int olpc_has_dcon(void)
 }
 
 /*
- * The VSA is software from AMD that typical Geode bioses will include.
- * It is used to emulate the PCI bus, VGA, etc.  OLPC's Open Firmware does
- * not include the VSA; instead, PCI is emulated by the kernel.
- *
- * The VSA is described further in arch/x86/pci/olpc.c.
- */
-static inline int olpc_has_vsa(void)
-{
-	return (olpc_platform_info.flags & OLPC_F_VSA) ? 1 : 0;
-}
-
-/*
  * The "Mass Production" version of OLPC's XO is identified as being model
  * C2.  During the prototype phase, the following models (in chronological
  * order) were created: A1, B1, B2, B3, B4, C1.  The A1 through B2 models
@@ -87,13 +74,10 @@ static inline int olpc_has_dcon(void)
 	return 0;
 }
 
-static inline int olpc_has_vsa(void)
-{
-	return 0;
-}
-
 #endif
 
+extern int pci_olpc_init(void);
+
 /* EC related functions */
 
 extern int olpc_ec_cmd(unsigned char cmd, unsigned char *inbuf, size_t inlen,
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index dd59a85a918f..5653f43d90e5 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -435,15 +435,6 @@ static inline void paravirt_release_pud(unsigned long pfn)
 	PVOP_VCALL1(pv_mmu_ops.release_pud, pfn);
 }
 
-#ifdef CONFIG_HIGHPTE
-static inline void *kmap_atomic_pte(struct page *page, enum km_type type)
-{
-	unsigned long ret;
-	ret = PVOP_CALL2(unsigned long, pv_mmu_ops.kmap_atomic_pte, page, type);
-	return (void *)ret;
-}
-#endif
-
 static inline void pte_update(struct mm_struct *mm, unsigned long addr,
 			      pte_t *ptep)
 {
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index b1e70d51e40c..db9ef5532341 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -304,10 +304,6 @@ struct pv_mmu_ops {
 #endif	/* PAGETABLE_LEVELS == 4 */
 #endif	/* PAGETABLE_LEVELS >= 3 */
 
-#ifdef CONFIG_HIGHPTE
-	void *(*kmap_atomic_pte)(struct page *page, enum km_type type);
-#endif
-
 	struct pv_lazy_ops lazy_mode;
 
 	/* dom0 ops */
diff --git a/arch/x86/include/asm/pci.h b/arch/x86/include/asm/pci.h
index ada8c201d513..404a880ea325 100644
--- a/arch/x86/include/asm/pci.h
+++ b/arch/x86/include/asm/pci.h
@@ -45,8 +45,15 @@ static inline int pci_proc_domain(struct pci_bus *bus)
 
 #ifdef CONFIG_PCI
 extern unsigned int pcibios_assign_all_busses(void);
+extern int pci_legacy_init(void);
+# ifdef CONFIG_ACPI
+#  define x86_default_pci_init pci_acpi_init
+# else
+#  define x86_default_pci_init pci_legacy_init
+# endif
 #else
-#define pcibios_assign_all_busses()	0
+# define pcibios_assign_all_busses()	0
+# define x86_default_pci_init		NULL
 #endif
 
 extern unsigned long pci_mem_start;
@@ -90,40 +97,14 @@ extern void pci_iommu_alloc(void);
 
 #define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys)
 
-#if defined(CONFIG_X86_64) || defined(CONFIG_DMAR) || defined(CONFIG_DMA_API_DEBUG)
-
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       \
-	        dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)         \
-	        __u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)                  \
-	        ((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)         \
-	        (((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)                    \
-	        ((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)           \
-	        (((PTR)->LEN_NAME) = (VAL))
-
-#else
-
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)       dma_addr_t ADDR_NAME[0];
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) unsigned LEN_NAME[0];
-#define pci_unmap_addr(PTR, ADDR_NAME)  sizeof((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
-	        do { break; } while (pci_unmap_addr(PTR, ADDR_NAME))
-#define pci_unmap_len(PTR, LEN_NAME)            sizeof((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
-	        do { break; } while (pci_unmap_len(PTR, LEN_NAME))
-
-#endif
-
 #endif  /* __KERNEL__ */
 
 #ifdef CONFIG_X86_64
 #include "pci_64.h"
 #endif
 
+void dma32_reserve_bootmem(void);
+
 /* implement the pci_ DMA API in terms of the generic device dma_ one */
 #include <asm-generic/pci-dma-compat.h>
 
diff --git a/arch/x86/include/asm/pci_64.h b/arch/x86/include/asm/pci_64.h
index ae5e40f67daf..fe15cfb21b9b 100644
--- a/arch/x86/include/asm/pci_64.h
+++ b/arch/x86/include/asm/pci_64.h
@@ -22,8 +22,6 @@ extern int (*pci_config_read)(int seg, int bus, int dev, int fn,
 extern int (*pci_config_write)(int seg, int bus, int dev, int fn,
 			       int reg, int len, u32 value);
 
-extern void dma32_reserve_bootmem(void);
-
 #endif /* __KERNEL__ */
 
 #endif /* _ASM_X86_PCI_64_H */
diff --git a/arch/x86/include/asm/pci_x86.h b/arch/x86/include/asm/pci_x86.h
index 05b58ccb2e82..1a0422348d6d 100644
--- a/arch/x86/include/asm/pci_x86.h
+++ b/arch/x86/include/asm/pci_x86.h
@@ -83,7 +83,6 @@ struct irq_routing_table {
 
 extern unsigned int pcibios_irq_mask;
 
-extern int pcibios_scanned;
 extern spinlock_t pci_config_lock;
 
 extern int (*pcibios_enable_irq)(struct pci_dev *dev);
@@ -106,16 +105,15 @@ extern bool port_cf9_safe;
 extern int pci_direct_probe(void);
 extern void pci_direct_init(int type);
 extern void pci_pcbios_init(void);
-extern int pci_olpc_init(void);
 extern void __init dmi_check_pciprobe(void);
 extern void __init dmi_check_skip_isa_align(void);
 
 /* some common used subsys_initcalls */
 extern int __init pci_acpi_init(void);
-extern int __init pcibios_irq_init(void);
-extern int __init pci_visws_init(void);
-extern int __init pci_numaq_init(void);
+extern void __init pcibios_irq_init(void);
 extern int __init pcibios_init(void);
+extern int pci_legacy_init(void);
+extern void pcibios_fixup_irqs(void);
 
 /* pci-mmconfig.c */
 
@@ -183,3 +181,17 @@ static inline void mmio_config_writel(void __iomem *pos, u32 val)
 {
 	asm volatile("movl %%eax,(%1)" : : "a" (val), "r" (pos) : "memory");
 }
+
+#ifdef CONFIG_PCI
+# ifdef CONFIG_ACPI
+#  define x86_default_pci_init		pci_acpi_init
+# else
+#  define x86_default_pci_init		pci_legacy_init
+# endif
+# define x86_default_pci_init_irq	pcibios_irq_init
+# define x86_default_pci_fixup_irqs	pcibios_fixup_irqs
+#else
+# define x86_default_pci_init		NULL
+# define x86_default_pci_init_irq	NULL
+# define x86_default_pci_fixup_irqs	NULL
+#endif
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h
index 0c44196b78ac..66a272dfd8b8 100644
--- a/arch/x86/include/asm/percpu.h
+++ b/arch/x86/include/asm/percpu.h
@@ -25,19 +25,18 @@
  */
 #ifdef CONFIG_SMP
 #define PER_CPU(var, reg)						\
-	__percpu_mov_op %__percpu_seg:per_cpu__this_cpu_off, reg;	\
-	lea per_cpu__##var(reg), reg
-#define PER_CPU_VAR(var)	%__percpu_seg:per_cpu__##var
+	__percpu_mov_op %__percpu_seg:this_cpu_off, reg;		\
+	lea var(reg), reg
+#define PER_CPU_VAR(var)	%__percpu_seg:var
 #else /* ! SMP */
-#define PER_CPU(var, reg)						\
-	__percpu_mov_op $per_cpu__##var, reg
-#define PER_CPU_VAR(var)	per_cpu__##var
+#define PER_CPU(var, reg)	__percpu_mov_op $var, reg
+#define PER_CPU_VAR(var)	var
 #endif	/* SMP */
 
 #ifdef CONFIG_X86_64_SMP
 #define INIT_PER_CPU_VAR(var)  init_per_cpu__##var
 #else
-#define INIT_PER_CPU_VAR(var)  per_cpu__##var
+#define INIT_PER_CPU_VAR(var)  var
 #endif
 
 #else /* ...!ASSEMBLY */
@@ -60,12 +59,12 @@
  * There also must be an entry in vmlinux_64.lds.S
  */
 #define DECLARE_INIT_PER_CPU(var) \
-       extern typeof(per_cpu_var(var)) init_per_cpu_var(var)
+       extern typeof(var) init_per_cpu_var(var)
 
 #ifdef CONFIG_X86_64_SMP
 #define init_per_cpu_var(var)  init_per_cpu__##var
 #else
-#define init_per_cpu_var(var)  per_cpu_var(var)
+#define init_per_cpu_var(var)  var
 #endif
 
 /* For arch-specific code, we can use direct single-insn ops (they
@@ -104,6 +103,64 @@ do {							\
 	}						\
 } while (0)
 
+/*
+ * Generate a percpu add to memory instruction and optimize code
+ * if a one is added or subtracted.
+ */
+#define percpu_add_op(var, val)						\
+do {									\
+	typedef typeof(var) pao_T__;					\
+	const int pao_ID__ = (__builtin_constant_p(val) &&		\
+			      ((val) == 1 || (val) == -1)) ? (val) : 0;	\
+	if (0) {							\
+		pao_T__ pao_tmp__;					\
+		pao_tmp__ = (val);					\
+	}								\
+	switch (sizeof(var)) {						\
+	case 1:								\
+		if (pao_ID__ == 1)					\
+			asm("incb "__percpu_arg(0) : "+m" (var));	\
+		else if (pao_ID__ == -1)				\
+			asm("decb "__percpu_arg(0) : "+m" (var));	\
+		else							\
+			asm("addb %1, "__percpu_arg(0)			\
+			    : "+m" (var)				\
+			    : "qi" ((pao_T__)(val)));			\
+		break;							\
+	case 2:								\
+		if (pao_ID__ == 1)					\
+			asm("incw "__percpu_arg(0) : "+m" (var));	\
+		else if (pao_ID__ == -1)				\
+			asm("decw "__percpu_arg(0) : "+m" (var));	\
+		else							\
+			asm("addw %1, "__percpu_arg(0)			\
+			    : "+m" (var)				\
+			    : "ri" ((pao_T__)(val)));			\
+		break;							\
+	case 4:								\
+		if (pao_ID__ == 1)					\
+			asm("incl "__percpu_arg(0) : "+m" (var));	\
+		else if (pao_ID__ == -1)				\
+			asm("decl "__percpu_arg(0) : "+m" (var));	\
+		else							\
+			asm("addl %1, "__percpu_arg(0)			\
+			    : "+m" (var)				\
+			    : "ri" ((pao_T__)(val)));			\
+		break;							\
+	case 8:								\
+		if (pao_ID__ == 1)					\
+			asm("incq "__percpu_arg(0) : "+m" (var));	\
+		else if (pao_ID__ == -1)				\
+			asm("decq "__percpu_arg(0) : "+m" (var));	\
+		else							\
+			asm("addq %1, "__percpu_arg(0)			\
+			    : "+m" (var)				\
+			    : "re" ((pao_T__)(val)));			\
+		break;							\
+	default: __bad_percpu_size();					\
+	}								\
+} while (0)
+
 #define percpu_from_op(op, var, constraint)		\
 ({							\
 	typeof(var) pfo_ret__;				\
@@ -142,16 +199,14 @@ do {							\
  * per-thread variables implemented as per-cpu variables and thus
  * stable for the duration of the respective task.
  */
-#define percpu_read(var)	percpu_from_op("mov", per_cpu__##var,	\
-					       "m" (per_cpu__##var))
-#define percpu_read_stable(var)	percpu_from_op("mov", per_cpu__##var,	\
-					       "p" (&per_cpu__##var))
-#define percpu_write(var, val)	percpu_to_op("mov", per_cpu__##var, val)
-#define percpu_add(var, val)	percpu_to_op("add", per_cpu__##var, val)
-#define percpu_sub(var, val)	percpu_to_op("sub", per_cpu__##var, val)
-#define percpu_and(var, val)	percpu_to_op("and", per_cpu__##var, val)
-#define percpu_or(var, val)	percpu_to_op("or", per_cpu__##var, val)
-#define percpu_xor(var, val)	percpu_to_op("xor", per_cpu__##var, val)
+#define percpu_read(var)		percpu_from_op("mov", var, "m" (var))
+#define percpu_read_stable(var)		percpu_from_op("mov", var, "p" (&(var)))
+#define percpu_write(var, val)		percpu_to_op("mov", var, val)
+#define percpu_add(var, val)		percpu_add_op(var, val)
+#define percpu_sub(var, val)		percpu_add_op(var, -(val))
+#define percpu_and(var, val)		percpu_to_op("and", var, val)
+#define percpu_or(var, val)		percpu_to_op("or", var, val)
+#define percpu_xor(var, val)		percpu_to_op("xor", var, val)
 
 #define __this_cpu_read_1(pcp)		percpu_from_op("mov", (pcp), "m"(pcp))
 #define __this_cpu_read_2(pcp)		percpu_from_op("mov", (pcp), "m"(pcp))
@@ -160,9 +215,9 @@ do {							\
 #define __this_cpu_write_1(pcp, val)	percpu_to_op("mov", (pcp), val)
 #define __this_cpu_write_2(pcp, val)	percpu_to_op("mov", (pcp), val)
 #define __this_cpu_write_4(pcp, val)	percpu_to_op("mov", (pcp), val)
-#define __this_cpu_add_1(pcp, val)	percpu_to_op("add", (pcp), val)
-#define __this_cpu_add_2(pcp, val)	percpu_to_op("add", (pcp), val)
-#define __this_cpu_add_4(pcp, val)	percpu_to_op("add", (pcp), val)
+#define __this_cpu_add_1(pcp, val)	percpu_add_op((pcp), val)
+#define __this_cpu_add_2(pcp, val)	percpu_add_op((pcp), val)
+#define __this_cpu_add_4(pcp, val)	percpu_add_op((pcp), val)
 #define __this_cpu_and_1(pcp, val)	percpu_to_op("and", (pcp), val)
 #define __this_cpu_and_2(pcp, val)	percpu_to_op("and", (pcp), val)
 #define __this_cpu_and_4(pcp, val)	percpu_to_op("and", (pcp), val)
@@ -179,9 +234,9 @@ do {							\
 #define this_cpu_write_1(pcp, val)	percpu_to_op("mov", (pcp), val)
 #define this_cpu_write_2(pcp, val)	percpu_to_op("mov", (pcp), val)
 #define this_cpu_write_4(pcp, val)	percpu_to_op("mov", (pcp), val)
-#define this_cpu_add_1(pcp, val)	percpu_to_op("add", (pcp), val)
-#define this_cpu_add_2(pcp, val)	percpu_to_op("add", (pcp), val)
-#define this_cpu_add_4(pcp, val)	percpu_to_op("add", (pcp), val)
+#define this_cpu_add_1(pcp, val)	percpu_add_op((pcp), val)
+#define this_cpu_add_2(pcp, val)	percpu_add_op((pcp), val)
+#define this_cpu_add_4(pcp, val)	percpu_add_op((pcp), val)
 #define this_cpu_and_1(pcp, val)	percpu_to_op("and", (pcp), val)
 #define this_cpu_and_2(pcp, val)	percpu_to_op("and", (pcp), val)
 #define this_cpu_and_4(pcp, val)	percpu_to_op("and", (pcp), val)
@@ -192,9 +247,9 @@ do {							\
 #define this_cpu_xor_2(pcp, val)	percpu_to_op("xor", (pcp), val)
 #define this_cpu_xor_4(pcp, val)	percpu_to_op("xor", (pcp), val)
 
-#define irqsafe_cpu_add_1(pcp, val)	percpu_to_op("add", (pcp), val)
-#define irqsafe_cpu_add_2(pcp, val)	percpu_to_op("add", (pcp), val)
-#define irqsafe_cpu_add_4(pcp, val)	percpu_to_op("add", (pcp), val)
+#define irqsafe_cpu_add_1(pcp, val)	percpu_add_op((pcp), val)
+#define irqsafe_cpu_add_2(pcp, val)	percpu_add_op((pcp), val)
+#define irqsafe_cpu_add_4(pcp, val)	percpu_add_op((pcp), val)
 #define irqsafe_cpu_and_1(pcp, val)	percpu_to_op("and", (pcp), val)
 #define irqsafe_cpu_and_2(pcp, val)	percpu_to_op("and", (pcp), val)
 #define irqsafe_cpu_and_4(pcp, val)	percpu_to_op("and", (pcp), val)
@@ -212,19 +267,19 @@ do {							\
 #ifdef CONFIG_X86_64
 #define __this_cpu_read_8(pcp)		percpu_from_op("mov", (pcp), "m"(pcp))
 #define __this_cpu_write_8(pcp, val)	percpu_to_op("mov", (pcp), val)
-#define __this_cpu_add_8(pcp, val)	percpu_to_op("add", (pcp), val)
+#define __this_cpu_add_8(pcp, val)	percpu_add_op((pcp), val)
 #define __this_cpu_and_8(pcp, val)	percpu_to_op("and", (pcp), val)
 #define __this_cpu_or_8(pcp, val)	percpu_to_op("or", (pcp), val)
 #define __this_cpu_xor_8(pcp, val)	percpu_to_op("xor", (pcp), val)
 
 #define this_cpu_read_8(pcp)		percpu_from_op("mov", (pcp), "m"(pcp))
 #define this_cpu_write_8(pcp, val)	percpu_to_op("mov", (pcp), val)
-#define this_cpu_add_8(pcp, val)	percpu_to_op("add", (pcp), val)
+#define this_cpu_add_8(pcp, val)	percpu_add_op((pcp), val)
 #define this_cpu_and_8(pcp, val)	percpu_to_op("and", (pcp), val)
 #define this_cpu_or_8(pcp, val)		percpu_to_op("or", (pcp), val)
 #define this_cpu_xor_8(pcp, val)	percpu_to_op("xor", (pcp), val)
 
-#define irqsafe_cpu_add_8(pcp, val)	percpu_to_op("add", (pcp), val)
+#define irqsafe_cpu_add_8(pcp, val)	percpu_add_op((pcp), val)
 #define irqsafe_cpu_and_8(pcp, val)	percpu_to_op("and", (pcp), val)
 #define irqsafe_cpu_or_8(pcp, val)	percpu_to_op("or", (pcp), val)
 #define irqsafe_cpu_xor_8(pcp, val)	percpu_to_op("xor", (pcp), val)
@@ -236,7 +291,7 @@ do {							\
 ({									\
 	int old__;							\
 	asm volatile("btr %2,"__percpu_arg(1)"\n\tsbbl %0,%0"		\
-		     : "=r" (old__), "+m" (per_cpu__##var)		\
+		     : "=r" (old__), "+m" (var)				\
 		     : "dIr" (bit));					\
 	old__;								\
 })
diff --git a/arch/x86/include/asm/perf_event.h b/arch/x86/include/asm/perf_event.h
index befd172c82ad..db6109a885a7 100644
--- a/arch/x86/include/asm/perf_event.h
+++ b/arch/x86/include/asm/perf_event.h
@@ -18,7 +18,7 @@
 #define MSR_ARCH_PERFMON_EVENTSEL0			     0x186
 #define MSR_ARCH_PERFMON_EVENTSEL1			     0x187
 
-#define ARCH_PERFMON_EVENTSEL0_ENABLE			  (1 << 22)
+#define ARCH_PERFMON_EVENTSEL_ENABLE			  (1 << 22)
 #define ARCH_PERFMON_EVENTSEL_ANY			  (1 << 21)
 #define ARCH_PERFMON_EVENTSEL_INT			  (1 << 20)
 #define ARCH_PERFMON_EVENTSEL_OS			  (1 << 17)
@@ -50,7 +50,7 @@
 	 INTEL_ARCH_INV_MASK| \
 	 INTEL_ARCH_EDGE_MASK|\
 	 INTEL_ARCH_UNIT_MASK|\
-	 INTEL_ARCH_EVTSEL_MASK)
+	 INTEL_ARCH_EVENT_MASK)
 
 #define ARCH_PERFMON_UNHALTED_CORE_CYCLES_SEL		      0x3c
 #define ARCH_PERFMON_UNHALTED_CORE_CYCLES_UMASK		(0x00 << 8)
@@ -117,6 +117,18 @@ union cpuid10_edx {
  */
 #define X86_PMC_IDX_FIXED_BTS				(X86_PMC_IDX_FIXED + 16)
 
+/* IbsFetchCtl bits/masks */
+#define IBS_FETCH_RAND_EN		(1ULL<<57)
+#define IBS_FETCH_VAL			(1ULL<<49)
+#define IBS_FETCH_ENABLE		(1ULL<<48)
+#define IBS_FETCH_CNT			0xFFFF0000ULL
+#define IBS_FETCH_MAX_CNT		0x0000FFFFULL
+
+/* IbsOpCtl bits */
+#define IBS_OP_CNT_CTL			(1ULL<<19)
+#define IBS_OP_VAL			(1ULL<<18)
+#define IBS_OP_ENABLE			(1ULL<<17)
+#define IBS_OP_MAX_CNT			0x0000FFFFULL
 
 #ifdef CONFIG_PERF_EVENTS
 extern void init_hw_perf_events(void);
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h
index a28668396508..47339a1ac7b6 100644
--- a/arch/x86/include/asm/pgtable_32.h
+++ b/arch/x86/include/asm/pgtable_32.h
@@ -54,10 +54,10 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);
 	 in_irq() ? KM_IRQ_PTE :	\
 	 KM_PTE0)
 #define pte_offset_map(dir, address)					\
-	((pte_t *)kmap_atomic_pte(pmd_page(*(dir)), __KM_PTE) +		\
+	((pte_t *)kmap_atomic(pmd_page(*(dir)), __KM_PTE) +		\
 	 pte_index((address)))
 #define pte_offset_map_nested(dir, address)				\
-	((pte_t *)kmap_atomic_pte(pmd_page(*(dir)), KM_PTE1) +		\
+	((pte_t *)kmap_atomic(pmd_page(*(dir)), KM_PTE1) +		\
 	 pte_index((address)))
 #define pte_unmap(pte) kunmap_atomic((pte), __KM_PTE)
 #define pte_unmap_nested(pte) kunmap_atomic((pte), KM_PTE1)
diff --git a/arch/x86/include/asm/proto.h b/arch/x86/include/asm/proto.h
index 4009f6534f52..6f414ed88620 100644
--- a/arch/x86/include/asm/proto.h
+++ b/arch/x86/include/asm/proto.h
@@ -23,14 +23,4 @@ extern int reboot_force;
 
 long do_arch_prctl(struct task_struct *task, int code, unsigned long addr);
 
-/*
- * This looks more complex than it should be. But we need to
- * get the type for the ~ right in round_down (it needs to be
- * as wide as the result!), and we want to evaluate the macro
- * arguments just once each.
- */
-#define __round_mask(x,y) ((__typeof__(x))((y)-1))
-#define round_up(x,y) ((((x)-1) | __round_mask(x,y))+1)
-#define round_down(x,y) ((x) & ~__round_mask(x,y))
-
 #endif /* _ASM_X86_PROTO_H */
diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h
index 20102808b191..69a686a7dff0 100644
--- a/arch/x86/include/asm/ptrace.h
+++ b/arch/x86/include/asm/ptrace.h
@@ -274,14 +274,7 @@ static inline unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
 		return 0;
 }
 
-/*
- * These are defined as per linux/ptrace.h, which see.
- */
 #define arch_has_single_step()	(1)
-extern void user_enable_single_step(struct task_struct *);
-extern void user_disable_single_step(struct task_struct *);
-
-extern void user_enable_block_step(struct task_struct *);
 #ifdef CONFIG_X86_DEBUGCTLMSR
 #define arch_has_block_step()	(1)
 #else
diff --git a/arch/x86/include/asm/setup.h b/arch/x86/include/asm/setup.h
index 18e496c98ff0..86b1506f4179 100644
--- a/arch/x86/include/asm/setup.h
+++ b/arch/x86/include/asm/setup.h
@@ -37,10 +37,8 @@ void setup_bios_corruption_check(void);
 
 #ifdef CONFIG_X86_VISWS
 extern void visws_early_detect(void);
-extern int is_visws_box(void);
 #else
 static inline void visws_early_detect(void) { }
-static inline int is_visws_box(void) { return 0; }
 #endif
 
 extern unsigned long saved_video_mode;
diff --git a/arch/x86/include/asm/svm.h b/arch/x86/include/asm/svm.h
index 1fecb7e61130..38638cd2fa4c 100644
--- a/arch/x86/include/asm/svm.h
+++ b/arch/x86/include/asm/svm.h
@@ -313,7 +313,7 @@ struct __attribute__ ((__packed__)) vmcb {
 
 #define SVM_EXIT_ERR		-1
 
-#define SVM_CR0_SELECTIVE_MASK (1 << 3 | 1) /* TS and MP */
+#define SVM_CR0_SELECTIVE_MASK (X86_CR0_TS | X86_CR0_MP)
 
 #define SVM_VMLOAD ".byte 0x0f, 0x01, 0xda"
 #define SVM_VMRUN  ".byte 0x0f, 0x01, 0xd8"
diff --git a/arch/x86/include/asm/sys_ia32.h b/arch/x86/include/asm/sys_ia32.h
index d5f69045c100..3ad421784ae7 100644
--- a/arch/x86/include/asm/sys_ia32.h
+++ b/arch/x86/include/asm/sys_ia32.h
@@ -26,8 +26,8 @@ asmlinkage long sys32_lstat64(char __user *, struct stat64 __user *);
 asmlinkage long sys32_fstat64(unsigned int, struct stat64 __user *);
 asmlinkage long sys32_fstatat(unsigned int, char __user *,
 			      struct stat64 __user *, int);
-struct mmap_arg_struct;
-asmlinkage long sys32_mmap(struct mmap_arg_struct __user *);
+struct mmap_arg_struct32;
+asmlinkage long sys32_mmap(struct mmap_arg_struct32 __user *);
 asmlinkage long sys32_mprotect(unsigned long, size_t, unsigned long);
 
 struct sigaction32;
@@ -40,8 +40,6 @@ asmlinkage long sys32_rt_sigprocmask(int, compat_sigset_t __user *,
 				     compat_sigset_t __user *, unsigned int);
 asmlinkage long sys32_alarm(unsigned int);
 
-struct sel_arg_struct;
-asmlinkage long sys32_old_select(struct sel_arg_struct __user *);
 asmlinkage long sys32_waitpid(compat_pid_t, unsigned int *, int);
 asmlinkage long sys32_sysfs(int, u32, u32);
 
@@ -56,11 +54,6 @@ asmlinkage long sys32_pwrite(unsigned int, char __user *, u32, u32, u32);
 asmlinkage long sys32_personality(unsigned long);
 asmlinkage long sys32_sendfile(int, int, compat_off_t __user *, s32);
 
-struct oldold_utsname;
-struct old_utsname;
-asmlinkage long sys32_olduname(struct oldold_utsname __user *);
-long sys32_uname(struct old_utsname __user *);
-
 asmlinkage long sys32_execve(char __user *, compat_uptr_t __user *,
 			     compat_uptr_t __user *, struct pt_regs *);
 asmlinkage long sys32_clone(unsigned int, unsigned int, struct pt_regs *);
diff --git a/arch/x86/include/asm/syscalls.h b/arch/x86/include/asm/syscalls.h
index 8868b9420b0e..5c044b43e9a7 100644
--- a/arch/x86/include/asm/syscalls.h
+++ b/arch/x86/include/asm/syscalls.h
@@ -50,18 +50,6 @@ asmlinkage int sys_sigaction(int, const struct old_sigaction __user *,
 			     struct old_sigaction __user *);
 unsigned long sys_sigreturn(struct pt_regs *);
 
-/* kernel/sys_i386_32.c */
-struct mmap_arg_struct;
-struct sel_arg_struct;
-struct oldold_utsname;
-struct old_utsname;
-
-asmlinkage int old_mmap(struct mmap_arg_struct __user *);
-asmlinkage int old_select(struct sel_arg_struct __user *);
-asmlinkage int sys_ipc(uint, int, int, int, void __user *, long);
-asmlinkage int sys_uname(struct old_utsname __user *);
-asmlinkage int sys_olduname(struct oldold_utsname __user *);
-
 /* kernel/vm86_32.c */
 int sys_vm86old(struct vm86_struct __user *, struct pt_regs *);
 int sys_vm86(unsigned long, unsigned long, struct pt_regs *);
@@ -73,11 +61,8 @@ int sys_vm86(unsigned long, unsigned long, struct pt_regs *);
 long sys_arch_prctl(int, unsigned long);
 
 /* kernel/sys_x86_64.c */
-struct new_utsname;
-
 asmlinkage long sys_mmap(unsigned long, unsigned long, unsigned long,
 			 unsigned long, unsigned long, unsigned long);
-asmlinkage long sys_uname(struct new_utsname __user *);
 
 #endif /* CONFIG_X86_32 */
 #endif /* _ASM_X86_SYSCALLS_H */
diff --git a/arch/x86/include/asm/system.h b/arch/x86/include/asm/system.h
index e04740f7a0bb..b8fe48ee2ed9 100644
--- a/arch/x86/include/asm/system.h
+++ b/arch/x86/include/asm/system.h
@@ -32,7 +32,7 @@ extern void show_regs_common(void);
 	"movl %P[task_canary](%[next]), %%ebx\n\t"			\
 	"movl %%ebx, "__percpu_arg([stack_canary])"\n\t"
 #define __switch_canary_oparam						\
-	, [stack_canary] "=m" (per_cpu_var(stack_canary.canary))
+	, [stack_canary] "=m" (stack_canary.canary)
 #define __switch_canary_iparam						\
 	, [task_canary] "i" (offsetof(struct task_struct, stack_canary))
 #else	/* CC_STACKPROTECTOR */
@@ -114,7 +114,7 @@ do {									\
 	"movq %P[task_canary](%%rsi),%%r8\n\t"				  \
 	"movq %%r8,"__percpu_arg([gs_canary])"\n\t"
 #define __switch_canary_oparam						  \
-	, [gs_canary] "=m" (per_cpu_var(irq_stack_union.stack_canary))
+	, [gs_canary] "=m" (irq_stack_union.stack_canary)
 #define __switch_canary_iparam						  \
 	, [task_canary] "i" (offsetof(struct task_struct, stack_canary))
 #else	/* CC_STACKPROTECTOR */
@@ -133,7 +133,7 @@ do {									\
 	     __switch_canary						  \
 	     "movq %P[thread_info](%%rsi),%%r8\n\t"			  \
 	     "movq %%rax,%%rdi\n\t" 					  \
-	     "testl  %[_tif_fork],%P[ti_flags](%%r8)\n\t"	  \
+	     "testl  %[_tif_fork],%P[ti_flags](%%r8)\n\t"		  \
 	     "jnz   ret_from_fork\n\t"					  \
 	     RESTORE_CONTEXT						  \
 	     : "=a" (last)					  	  \
@@ -143,7 +143,7 @@ do {									\
 	       [ti_flags] "i" (offsetof(struct thread_info, flags)),	  \
 	       [_tif_fork] "i" (_TIF_FORK),			  	  \
 	       [thread_info] "i" (offsetof(struct task_struct, stack)),   \
-	       [current_task] "m" (per_cpu_var(current_task))		  \
+	       [current_task] "m" (current_task)			  \
 	       __switch_canary_iparam					  \
 	     : "memory", "cc" __EXTRA_CLOBBER)
 #endif
diff --git a/arch/x86/include/asm/unistd_32.h b/arch/x86/include/asm/unistd_32.h
index 3baf379fa840..beb9b5f8f8a4 100644
--- a/arch/x86/include/asm/unistd_32.h
+++ b/arch/x86/include/asm/unistd_32.h
@@ -354,6 +354,7 @@
 #define __ARCH_WANT_STAT64
 #define __ARCH_WANT_SYS_ALARM
 #define __ARCH_WANT_SYS_GETHOSTNAME
+#define __ARCH_WANT_SYS_IPC
 #define __ARCH_WANT_SYS_PAUSE
 #define __ARCH_WANT_SYS_SGETMASK
 #define __ARCH_WANT_SYS_SIGNAL
@@ -366,6 +367,9 @@
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_UNAME
+#define __ARCH_WANT_SYS_OLD_MMAP
+#define __ARCH_WANT_SYS_OLD_SELECT
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/x86/include/asm/unistd_64.h b/arch/x86/include/asm/unistd_64.h
index 4843f7ba754a..ff4307b0e81e 100644
--- a/arch/x86/include/asm/unistd_64.h
+++ b/arch/x86/include/asm/unistd_64.h
@@ -146,7 +146,7 @@ __SYSCALL(__NR_wait4, sys_wait4)
 #define __NR_kill				62
 __SYSCALL(__NR_kill, sys_kill)
 #define __NR_uname				63
-__SYSCALL(__NR_uname, sys_uname)
+__SYSCALL(__NR_uname, sys_newuname)
 
 #define __NR_semget				64
 __SYSCALL(__NR_semget, sys_semget)
@@ -680,6 +680,7 @@ __SYSCALL(__NR_recvmmsg, sys_recvmmsg)
 #define __ARCH_WANT_SYS_LLSEEK
 #define __ARCH_WANT_SYS_NICE
 #define __ARCH_WANT_SYS_OLD_GETRLIMIT
+#define __ARCH_WANT_SYS_OLD_UNAME
 #define __ARCH_WANT_SYS_OLDUMOUNT
 #define __ARCH_WANT_SYS_SIGPENDING
 #define __ARCH_WANT_SYS_SIGPROCMASK
diff --git a/arch/x86/include/asm/visws/cobalt.h b/arch/x86/include/asm/visws/cobalt.h
index 166adf61e770..2edb37637ead 100644
--- a/arch/x86/include/asm/visws/cobalt.h
+++ b/arch/x86/include/asm/visws/cobalt.h
@@ -122,4 +122,6 @@ extern char visws_board_type;
 
 extern char visws_board_rev;
 
+extern int pci_visws_init(void);
+
 #endif /* _ASM_X86_VISWS_COBALT_H */
diff --git a/arch/x86/include/asm/vmx.h b/arch/x86/include/asm/vmx.h
index 2b4945419a84..fb9a080740ec 100644
--- a/arch/x86/include/asm/vmx.h
+++ b/arch/x86/include/asm/vmx.h
@@ -53,6 +53,7 @@
  */
 #define SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES 0x00000001
 #define SECONDARY_EXEC_ENABLE_EPT               0x00000002
+#define SECONDARY_EXEC_RDTSCP			0x00000008
 #define SECONDARY_EXEC_ENABLE_VPID              0x00000020
 #define SECONDARY_EXEC_WBINVD_EXITING		0x00000040
 #define SECONDARY_EXEC_UNRESTRICTED_GUEST	0x00000080
@@ -251,6 +252,7 @@ enum vmcs_field {
 #define EXIT_REASON_MSR_READ            31
 #define EXIT_REASON_MSR_WRITE           32
 #define EXIT_REASON_MWAIT_INSTRUCTION   36
+#define EXIT_REASON_MONITOR_INSTRUCTION 39
 #define EXIT_REASON_PAUSE_INSTRUCTION   40
 #define EXIT_REASON_MCE_DURING_VMENTRY	 41
 #define EXIT_REASON_TPR_BELOW_THRESHOLD 43
@@ -362,6 +364,7 @@ enum vmcs_field {
 #define VMX_EPTP_UC_BIT				(1ull << 8)
 #define VMX_EPTP_WB_BIT				(1ull << 14)
 #define VMX_EPT_2MB_PAGE_BIT			(1ull << 16)
+#define VMX_EPT_1GB_PAGE_BIT			(1ull << 17)
 #define VMX_EPT_EXTENT_INDIVIDUAL_BIT		(1ull << 24)
 #define VMX_EPT_EXTENT_CONTEXT_BIT		(1ull << 25)
 #define VMX_EPT_EXTENT_GLOBAL_BIT		(1ull << 26)
@@ -374,7 +377,7 @@ enum vmcs_field {
 #define VMX_EPT_READABLE_MASK			0x1ull
 #define VMX_EPT_WRITABLE_MASK			0x2ull
 #define VMX_EPT_EXECUTABLE_MASK			0x4ull
-#define VMX_EPT_IGMT_BIT    			(1ull << 6)
+#define VMX_EPT_IPAT_BIT    			(1ull << 6)
 
 #define VMX_EPT_IDENTITY_PAGETABLE_ADDR		0xfffbc000ul
 
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h
index 60cc35269083..519b54327d75 100644
--- a/arch/x86/include/asm/x86_init.h
+++ b/arch/x86/include/asm/x86_init.h
@@ -99,6 +99,20 @@ struct x86_init_iommu {
 };
 
 /**
+ * struct x86_init_pci - platform specific pci init functions
+ * @arch_init:			platform specific pci arch init call
+ * @init:			platform specific pci subsystem init
+ * @init_irq:			platform specific pci irq init
+ * @fixup_irqs:			platform specific pci irq fixup
+ */
+struct x86_init_pci {
+	int (*arch_init)(void);
+	int (*init)(void);
+	void (*init_irq)(void);
+	void (*fixup_irqs)(void);
+};
+
+/**
  * struct x86_init_ops - functions for platform specific setup
  *
  */
@@ -110,6 +124,7 @@ struct x86_init_ops {
 	struct x86_init_paging		paging;
 	struct x86_init_timers		timers;
 	struct x86_init_iommu		iommu;
+	struct x86_init_pci		pci;
 };
 
 /**
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index d87f09bc5a52..4c58352209e0 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -87,6 +87,7 @@ obj-$(CONFIG_VM86)		+= vm86_32.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 
 obj-$(CONFIG_HPET_TIMER) 	+= hpet.o
+obj-$(CONFIG_APB_TIMER)		+= apb_timer.o
 
 obj-$(CONFIG_K8_NB)		+= k8.o
 obj-$(CONFIG_DEBUG_RODATA_TEST)	+= test_rodata.o
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index f95703098f8d..0061ea263061 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -35,6 +35,7 @@
 #include <linux/ioport.h>
 #include <linux/pci.h>
 
+#include <asm/pci_x86.h>
 #include <asm/pgtable.h>
 #include <asm/io_apic.h>
 #include <asm/apic.h>
@@ -447,6 +448,12 @@ void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger)
 int acpi_gsi_to_irq(u32 gsi, unsigned int *irq)
 {
 	*irq = gsi;
+
+#ifdef CONFIG_X86_IO_APIC
+	if (acpi_irq_model == ACPI_IRQ_MODEL_IOAPIC)
+		setup_IO_APIC_irq_extra(gsi);
+#endif
+
 	return 0;
 }
 
@@ -474,7 +481,8 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity)
 		plat_gsi = mp_register_gsi(dev, gsi, trigger, polarity);
 	}
 #endif
-	acpi_gsi_to_irq(plat_gsi, &irq);
+	irq = plat_gsi;
+
 	return irq;
 }
 
@@ -482,6 +490,7 @@ int acpi_register_gsi(struct device *dev, u32 gsi, int trigger, int polarity)
  *  ACPI based hotplug support for CPU
  */
 #ifdef CONFIG_ACPI_HOTPLUG_CPU
+#include <acpi/processor.h>
 
 static void acpi_map_cpu2node(acpi_handle handle, int cpu, int physid)
 {
@@ -559,6 +568,8 @@ static int __cpuinit _acpi_map_lsapic(acpi_handle handle, int *pcpu)
 		goto free_new_map;
 	}
 
+	acpi_processor_set_pdc(handle);
+
 	cpu = cpumask_first(new_map);
 	acpi_map_cpu2node(handle, cpu, physid);
 
@@ -1285,23 +1296,6 @@ static int __init dmi_disable_acpi(const struct dmi_system_id *d)
 }
 
 /*
- * Limit ACPI to CPU enumeration for HT
- */
-static int __init force_acpi_ht(const struct dmi_system_id *d)
-{
-	if (!acpi_force) {
-		printk(KERN_NOTICE "%s detected: force use of acpi=ht\n",
-		       d->ident);
-		disable_acpi();
-		acpi_ht = 1;
-	} else {
-		printk(KERN_NOTICE
-		       "Warning: acpi=force overrules DMI blacklist: acpi=ht\n");
-	}
-	return 0;
-}
-
-/*
  * Force ignoring BIOS IRQ0 pin2 override
  */
 static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d)
@@ -1337,82 +1331,6 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
 	 },
 
 	/*
-	 * Boxes that need acpi=ht
-	 */
-	{
-	 .callback = force_acpi_ht,
-	 .ident = "FSC Primergy T850",
-	 .matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
-		     DMI_MATCH(DMI_PRODUCT_NAME, "PRIMERGY T850"),
-		     },
-	 },
-	{
-	 .callback = force_acpi_ht,
-	 .ident = "HP VISUALIZE NT Workstation",
-	 .matches = {
-		     DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
-		     DMI_MATCH(DMI_PRODUCT_NAME, "HP VISUALIZE NT Workstation"),
-		     },
-	 },
-	{
-	 .callback = force_acpi_ht,
-	 .ident = "Compaq Workstation W8000",
-	 .matches = {
-		     DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
-		     DMI_MATCH(DMI_PRODUCT_NAME, "Workstation W8000"),
-		     },
-	 },
-	{
-	 .callback = force_acpi_ht,
-	 .ident = "ASUS CUR-DLS",
-	 .matches = {
-		     DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
-		     DMI_MATCH(DMI_BOARD_NAME, "CUR-DLS"),
-		     },
-	 },
-	{
-	 .callback = force_acpi_ht,
-	 .ident = "ABIT i440BX-W83977",
-	 .matches = {
-		     DMI_MATCH(DMI_BOARD_VENDOR, "ABIT <http://www.abit.com>"),
-		     DMI_MATCH(DMI_BOARD_NAME, "i440BX-W83977 (BP6)"),
-		     },
-	 },
-	{
-	 .callback = force_acpi_ht,
-	 .ident = "IBM Bladecenter",
-	 .matches = {
-		     DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
-		     DMI_MATCH(DMI_BOARD_NAME, "IBM eServer BladeCenter HS20"),
-		     },
-	 },
-	{
-	 .callback = force_acpi_ht,
-	 .ident = "IBM eServer xSeries 360",
-	 .matches = {
-		     DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
-		     DMI_MATCH(DMI_BOARD_NAME, "eServer xSeries 360"),
-		     },
-	 },
-	{
-	 .callback = force_acpi_ht,
-	 .ident = "IBM eserver xSeries 330",
-	 .matches = {
-		     DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
-		     DMI_MATCH(DMI_BOARD_NAME, "eserver xSeries 330"),
-		     },
-	 },
-	{
-	 .callback = force_acpi_ht,
-	 .ident = "IBM eserver xSeries 440",
-	 .matches = {
-		     DMI_MATCH(DMI_BOARD_VENDOR, "IBM"),
-		     DMI_MATCH(DMI_PRODUCT_NAME, "eserver xSeries 440"),
-		     },
-	 },
-
-	/*
 	 * Boxes that need ACPI PCI IRQ routing disabled
 	 */
 	{
@@ -1617,6 +1535,9 @@ int __init acpi_boot_init(void)
 
 	acpi_table_parse(ACPI_SIG_HPET, acpi_parse_hpet);
 
+	if (!acpi_noirq)
+		x86_init.pci.init = pci_acpi_init;
+
 	return 0;
 }
 
@@ -1641,8 +1562,10 @@ static int __init parse_acpi(char *arg)
 	}
 	/* Limit ACPI just to boot-time to enable HT */
 	else if (strcmp(arg, "ht") == 0) {
-		if (!acpi_force)
+		if (!acpi_force) {
+			printk(KERN_WARNING "acpi=ht will be removed in Linux-2.6.35\n");
 			disable_acpi();
+		}
 		acpi_ht = 1;
 	}
 	/* acpi=rsdt use RSDT instead of XSDT */
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index e6ea0342c8f8..3a4bf35c179b 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -7,6 +7,7 @@
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
 #include <linux/memory.h>
+#include <linux/stop_machine.h>
 #include <asm/alternative.h>
 #include <asm/sections.h>
 #include <asm/pgtable.h>
@@ -572,3 +573,62 @@ void *__kprobes text_poke(void *addr, const void *opcode, size_t len)
 	local_irq_restore(flags);
 	return addr;
 }
+
+/*
+ * Cross-modifying kernel text with stop_machine().
+ * This code originally comes from immediate value.
+ */
+static atomic_t stop_machine_first;
+static int wrote_text;
+
+struct text_poke_params {
+	void *addr;
+	const void *opcode;
+	size_t len;
+};
+
+static int __kprobes stop_machine_text_poke(void *data)
+{
+	struct text_poke_params *tpp = data;
+
+	if (atomic_dec_and_test(&stop_machine_first)) {
+		text_poke(tpp->addr, tpp->opcode, tpp->len);
+		smp_wmb();	/* Make sure other cpus see that this has run */
+		wrote_text = 1;
+	} else {
+		while (!wrote_text)
+			cpu_relax();
+		smp_mb();	/* Load wrote_text before following execution */
+	}
+
+	flush_icache_range((unsigned long)tpp->addr,
+			   (unsigned long)tpp->addr + tpp->len);
+	return 0;
+}
+
+/**
+ * text_poke_smp - Update instructions on a live kernel on SMP
+ * @addr: address to modify
+ * @opcode: source of the copy
+ * @len: length to copy
+ *
+ * Modify multi-byte instruction by using stop_machine() on SMP. This allows
+ * user to poke/set multi-byte text on SMP. Only non-NMI/MCE code modifying
+ * should be allowed, since stop_machine() does _not_ protect code against
+ * NMI and MCE.
+ *
+ * Note: Must be called under get_online_cpus() and text_mutex.
+ */
+void *__kprobes text_poke_smp(void *addr, const void *opcode, size_t len)
+{
+	struct text_poke_params tpp;
+
+	tpp.addr = addr;
+	tpp.opcode = opcode;
+	tpp.len = len;
+	atomic_set(&stop_machine_first, 1);
+	wrote_text = 0;
+	stop_machine(stop_machine_text_poke, (void *)&tpp, NULL);
+	return addr;
+}
+
diff --git a/arch/x86/kernel/apb_timer.c b/arch/x86/kernel/apb_timer.c
new file mode 100644
index 000000000000..4b7099526d2c
--- /dev/null
+++ b/arch/x86/kernel/apb_timer.c
@@ -0,0 +1,784 @@
+/*
+ * apb_timer.c: Driver for Langwell APB timers
+ *
+ * (C) Copyright 2009 Intel Corporation
+ * Author: Jacob Pan (jacob.jun.pan@intel.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; version 2
+ * of the License.
+ *
+ * Note:
+ * Langwell is the south complex of Intel Moorestown MID platform. There are
+ * eight external timers in total that can be used by the operating system.
+ * The timer information, such as frequency and addresses, is provided to the
+ * OS via SFI tables.
+ * Timer interrupts are routed via FW/HW emulated IOAPIC independently via
+ * individual redirection table entries (RTE).
+ * Unlike HPET, there is no master counter, therefore one of the timers are
+ * used as clocksource. The overall allocation looks like:
+ *  - timer 0 - NR_CPUs for per cpu timer
+ *  - one timer for clocksource
+ *  - one timer for watchdog driver.
+ * It is also worth notice that APB timer does not support true one-shot mode,
+ * free-running mode will be used here to emulate one-shot mode.
+ * APB timer can also be used as broadcast timer along with per cpu local APIC
+ * timer, but by default APB timer has higher rating than local APIC timers.
+ */
+
+#include <linux/clocksource.h>
+#include <linux/clockchips.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/sysdev.h>
+#include <linux/pm.h>
+#include <linux/pci.h>
+#include <linux/sfi.h>
+#include <linux/interrupt.h>
+#include <linux/cpu.h>
+#include <linux/irq.h>
+
+#include <asm/fixmap.h>
+#include <asm/apb_timer.h>
+
+#define APBT_MASK			CLOCKSOURCE_MASK(32)
+#define APBT_SHIFT			22
+#define APBT_CLOCKEVENT_RATING		150
+#define APBT_CLOCKSOURCE_RATING		250
+#define APBT_MIN_DELTA_USEC		200
+
+#define EVT_TO_APBT_DEV(evt) container_of(evt, struct apbt_dev, evt)
+#define APBT_CLOCKEVENT0_NUM   (0)
+#define APBT_CLOCKEVENT1_NUM   (1)
+#define APBT_CLOCKSOURCE_NUM   (2)
+
+static unsigned long apbt_address;
+static int apb_timer_block_enabled;
+static void __iomem *apbt_virt_address;
+static int phy_cs_timer_id;
+
+/*
+ * Common DW APB timer info
+ */
+static uint64_t apbt_freq;
+
+static void apbt_set_mode(enum clock_event_mode mode,
+			  struct clock_event_device *evt);
+static int apbt_next_event(unsigned long delta,
+			   struct clock_event_device *evt);
+static cycle_t apbt_read_clocksource(struct clocksource *cs);
+static void apbt_restart_clocksource(struct clocksource *cs);
+
+struct apbt_dev {
+	struct clock_event_device evt;
+	unsigned int num;
+	int cpu;
+	unsigned int irq;
+	unsigned int tick;
+	unsigned int count;
+	unsigned int flags;
+	char name[10];
+};
+
+int disable_apbt_percpu __cpuinitdata;
+
+static DEFINE_PER_CPU(struct apbt_dev, cpu_apbt_dev);
+
+#ifdef CONFIG_SMP
+static unsigned int apbt_num_timers_used;
+static struct apbt_dev *apbt_devs;
+#endif
+
+static	inline unsigned long apbt_readl_reg(unsigned long a)
+{
+	return readl(apbt_virt_address + a);
+}
+
+static inline void apbt_writel_reg(unsigned long d, unsigned long a)
+{
+	writel(d, apbt_virt_address + a);
+}
+
+static inline unsigned long apbt_readl(int n, unsigned long a)
+{
+	return readl(apbt_virt_address + a + n * APBTMRS_REG_SIZE);
+}
+
+static inline void apbt_writel(int n, unsigned long d, unsigned long a)
+{
+	writel(d, apbt_virt_address + a + n * APBTMRS_REG_SIZE);
+}
+
+static inline void apbt_set_mapping(void)
+{
+	struct sfi_timer_table_entry *mtmr;
+
+	if (apbt_virt_address) {
+		pr_debug("APBT base already mapped\n");
+		return;
+	}
+	mtmr = sfi_get_mtmr(APBT_CLOCKEVENT0_NUM);
+	if (mtmr == NULL) {
+		printk(KERN_ERR "Failed to get MTMR %d from SFI\n",
+		       APBT_CLOCKEVENT0_NUM);
+		return;
+	}
+	apbt_address = (unsigned long)mtmr->phys_addr;
+	if (!apbt_address) {
+		printk(KERN_WARNING "No timer base from SFI, use default\n");
+		apbt_address = APBT_DEFAULT_BASE;
+	}
+	apbt_virt_address = ioremap_nocache(apbt_address, APBT_MMAP_SIZE);
+	if (apbt_virt_address) {
+		pr_debug("Mapped APBT physical addr %p at virtual addr %p\n",\
+			 (void *)apbt_address, (void *)apbt_virt_address);
+	} else {
+		pr_debug("Failed mapping APBT phy address at %p\n",\
+			 (void *)apbt_address);
+		goto panic_noapbt;
+	}
+	apbt_freq = mtmr->freq_hz / USEC_PER_SEC;
+	sfi_free_mtmr(mtmr);
+
+	/* Now figure out the physical timer id for clocksource device */
+	mtmr = sfi_get_mtmr(APBT_CLOCKSOURCE_NUM);
+	if (mtmr == NULL)
+		goto panic_noapbt;
+
+	/* Now figure out the physical timer id */
+	phy_cs_timer_id = (unsigned int)(mtmr->phys_addr & 0xff)
+		/ APBTMRS_REG_SIZE;
+	pr_debug("Use timer %d for clocksource\n", phy_cs_timer_id);
+	return;
+
+panic_noapbt:
+	panic("Failed to setup APB system timer\n");
+
+}
+
+static inline void apbt_clear_mapping(void)
+{
+	iounmap(apbt_virt_address);
+	apbt_virt_address = NULL;
+}
+
+/*
+ * APBT timer interrupt enable / disable
+ */
+static inline int is_apbt_capable(void)
+{
+	return apbt_virt_address ? 1 : 0;
+}
+
+static struct clocksource clocksource_apbt = {
+	.name		= "apbt",
+	.rating		= APBT_CLOCKSOURCE_RATING,
+	.read		= apbt_read_clocksource,
+	.mask		= APBT_MASK,
+	.shift		= APBT_SHIFT,
+	.flags		= CLOCK_SOURCE_IS_CONTINUOUS,
+	.resume		= apbt_restart_clocksource,
+};
+
+/* boot APB clock event device */
+static struct clock_event_device apbt_clockevent = {
+	.name		= "apbt0",
+	.features	= CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
+	.set_mode	= apbt_set_mode,
+	.set_next_event = apbt_next_event,
+	.shift		= APBT_SHIFT,
+	.irq		= 0,
+	.rating		= APBT_CLOCKEVENT_RATING,
+};
+
+/*
+ * if user does not want to use per CPU apb timer, just give it a lower rating
+ * than local apic timer and skip the late per cpu timer init.
+ */
+static inline int __init setup_x86_mrst_timer(char *arg)
+{
+	if (!arg)
+		return -EINVAL;
+
+	if (strcmp("apbt_only", arg) == 0)
+		disable_apbt_percpu = 0;
+	else if (strcmp("lapic_and_apbt", arg) == 0)
+		disable_apbt_percpu = 1;
+	else {
+		pr_warning("X86 MRST timer option %s not recognised"
+			   " use x86_mrst_timer=apbt_only or lapic_and_apbt\n",
+			   arg);
+		return -EINVAL;
+	}
+	return 0;
+}
+__setup("x86_mrst_timer=", setup_x86_mrst_timer);
+
+/*
+ * start count down from 0xffff_ffff. this is done by toggling the enable bit
+ * then load initial load count to ~0.
+ */
+static void apbt_start_counter(int n)
+{
+	unsigned long ctrl = apbt_readl(n, APBTMR_N_CONTROL);
+
+	ctrl &= ~APBTMR_CONTROL_ENABLE;
+	apbt_writel(n, ctrl, APBTMR_N_CONTROL);
+	apbt_writel(n, ~0, APBTMR_N_LOAD_COUNT);
+	/* enable, mask interrupt */
+	ctrl &= ~APBTMR_CONTROL_MODE_PERIODIC;
+	ctrl |= (APBTMR_CONTROL_ENABLE | APBTMR_CONTROL_INT);
+	apbt_writel(n, ctrl, APBTMR_N_CONTROL);
+	/* read it once to get cached counter value initialized */
+	apbt_read_clocksource(&clocksource_apbt);
+}
+
+static irqreturn_t apbt_interrupt_handler(int irq, void *data)
+{
+	struct apbt_dev *dev = (struct apbt_dev *)data;
+	struct clock_event_device *aevt = &dev->evt;
+
+	if (!aevt->event_handler) {
+		printk(KERN_INFO "Spurious APBT timer interrupt on %d\n",
+		       dev->num);
+		return IRQ_NONE;
+	}
+	aevt->event_handler(aevt);
+	return IRQ_HANDLED;
+}
+
+static void apbt_restart_clocksource(struct clocksource *cs)
+{
+	apbt_start_counter(phy_cs_timer_id);
+}
+
+/* Setup IRQ routing via IOAPIC */
+#ifdef CONFIG_SMP
+static void apbt_setup_irq(struct apbt_dev *adev)
+{
+	struct irq_chip *chip;
+	struct irq_desc *desc;
+
+	/* timer0 irq has been setup early */
+	if (adev->irq == 0)
+		return;
+	desc = irq_to_desc(adev->irq);
+	chip = get_irq_chip(adev->irq);
+	disable_irq(adev->irq);
+	desc->status |= IRQ_MOVE_PCNTXT;
+	irq_set_affinity(adev->irq, cpumask_of(adev->cpu));
+	/* APB timer irqs are set up as mp_irqs, timer is edge triggerred */
+	set_irq_chip_and_handler_name(adev->irq, chip, handle_edge_irq, "edge");
+	enable_irq(adev->irq);
+	if (system_state == SYSTEM_BOOTING)
+		if (request_irq(adev->irq, apbt_interrupt_handler,
+				IRQF_TIMER | IRQF_DISABLED | IRQF_NOBALANCING,
+				adev->name, adev)) {
+			printk(KERN_ERR "Failed request IRQ for APBT%d\n",
+			       adev->num);
+		}
+}
+#endif
+
+static void apbt_enable_int(int n)
+{
+	unsigned long ctrl = apbt_readl(n, APBTMR_N_CONTROL);
+	/* clear pending intr */
+	apbt_readl(n, APBTMR_N_EOI);
+	ctrl &= ~APBTMR_CONTROL_INT;
+	apbt_writel(n, ctrl, APBTMR_N_CONTROL);
+}
+
+static void apbt_disable_int(int n)
+{
+	unsigned long ctrl = apbt_readl(n, APBTMR_N_CONTROL);
+
+	ctrl |= APBTMR_CONTROL_INT;
+	apbt_writel(n, ctrl, APBTMR_N_CONTROL);
+}
+
+
+static int __init apbt_clockevent_register(void)
+{
+	struct sfi_timer_table_entry *mtmr;
+	struct apbt_dev *adev = &__get_cpu_var(cpu_apbt_dev);
+
+	mtmr = sfi_get_mtmr(APBT_CLOCKEVENT0_NUM);
+	if (mtmr == NULL) {
+		printk(KERN_ERR "Failed to get MTMR %d from SFI\n",
+		       APBT_CLOCKEVENT0_NUM);
+		return -ENODEV;
+	}
+
+	/*
+	 * We need to calculate the scaled math multiplication factor for
+	 * nanosecond to apbt tick conversion.
+	 * mult = (nsec/cycle)*2^APBT_SHIFT
+	 */
+	apbt_clockevent.mult = div_sc((unsigned long) mtmr->freq_hz
+				      , NSEC_PER_SEC, APBT_SHIFT);
+
+	/* Calculate the min / max delta */
+	apbt_clockevent.max_delta_ns = clockevent_delta2ns(0x7FFFFFFF,
+							   &apbt_clockevent);
+	apbt_clockevent.min_delta_ns = clockevent_delta2ns(
+		APBT_MIN_DELTA_USEC*apbt_freq,
+		&apbt_clockevent);
+	/*
+	 * Start apbt with the boot cpu mask and make it
+	 * global if not used for per cpu timer.
+	 */
+	apbt_clockevent.cpumask = cpumask_of(smp_processor_id());
+	adev->num = smp_processor_id();
+	memcpy(&adev->evt, &apbt_clockevent, sizeof(struct clock_event_device));
+
+	if (disable_apbt_percpu) {
+		apbt_clockevent.rating = APBT_CLOCKEVENT_RATING - 100;
+		global_clock_event = &adev->evt;
+		printk(KERN_DEBUG "%s clockevent registered as global\n",
+		       global_clock_event->name);
+	}
+
+	if (request_irq(apbt_clockevent.irq, apbt_interrupt_handler,
+			IRQF_TIMER | IRQF_DISABLED | IRQF_NOBALANCING,
+			apbt_clockevent.name, adev)) {
+		printk(KERN_ERR "Failed request IRQ for APBT%d\n",
+		       apbt_clockevent.irq);
+	}
+
+	clockevents_register_device(&adev->evt);
+	/* Start APBT 0 interrupts */
+	apbt_enable_int(APBT_CLOCKEVENT0_NUM);
+
+	sfi_free_mtmr(mtmr);
+	return 0;
+}
+
+#ifdef CONFIG_SMP
+/* Should be called with per cpu */
+void apbt_setup_secondary_clock(void)
+{
+	struct apbt_dev *adev;
+	struct clock_event_device *aevt;
+	int cpu;
+
+	/* Don't register boot CPU clockevent */
+	cpu = smp_processor_id();
+	if (cpu == boot_cpu_id)
+		return;
+	/*
+	 * We need to calculate the scaled math multiplication factor for
+	 * nanosecond to apbt tick conversion.
+	 * mult = (nsec/cycle)*2^APBT_SHIFT
+	 */
+	printk(KERN_INFO "Init per CPU clockevent %d\n", cpu);
+	adev = &per_cpu(cpu_apbt_dev, cpu);
+	aevt = &adev->evt;
+
+	memcpy(aevt, &apbt_clockevent, sizeof(*aevt));
+	aevt->cpumask = cpumask_of(cpu);
+	aevt->name = adev->name;
+	aevt->mode = CLOCK_EVT_MODE_UNUSED;
+
+	printk(KERN_INFO "Registering CPU %d clockevent device %s, mask %08x\n",
+	       cpu, aevt->name, *(u32 *)aevt->cpumask);
+
+	apbt_setup_irq(adev);
+
+	clockevents_register_device(aevt);
+
+	apbt_enable_int(cpu);
+
+	return;
+}
+
+/*
+ * this notify handler process CPU hotplug events. in case of S0i3, nonboot
+ * cpus are disabled/enabled frequently, for performance reasons, we keep the
+ * per cpu timer irq registered so that we do need to do free_irq/request_irq.
+ *
+ * TODO: it might be more reliable to directly disable percpu clockevent device
+ * without the notifier chain. currently, cpu 0 may get interrupts from other
+ * cpu timers during the offline process due to the ordering of notification.
+ * the extra interrupt is harmless.
+ */
+static int apbt_cpuhp_notify(struct notifier_block *n,
+			     unsigned long action, void *hcpu)
+{
+	unsigned long cpu = (unsigned long)hcpu;
+	struct apbt_dev *adev = &per_cpu(cpu_apbt_dev, cpu);
+
+	switch (action & 0xf) {
+	case CPU_DEAD:
+		apbt_disable_int(cpu);
+		if (system_state == SYSTEM_RUNNING)
+			pr_debug("skipping APBT CPU %lu offline\n", cpu);
+		else if (adev) {
+			pr_debug("APBT clockevent for cpu %lu offline\n", cpu);
+			free_irq(adev->irq, adev);
+		}
+		break;
+	default:
+		pr_debug(KERN_INFO "APBT notified %lu, no action\n", action);
+	}
+	return NOTIFY_OK;
+}
+
+static __init int apbt_late_init(void)
+{
+	if (disable_apbt_percpu)
+		return 0;
+	/* This notifier should be called after workqueue is ready */
+	hotcpu_notifier(apbt_cpuhp_notify, -20);
+	return 0;
+}
+fs_initcall(apbt_late_init);
+#else
+
+void apbt_setup_secondary_clock(void) {}
+
+#endif /* CONFIG_SMP */
+
+static void apbt_set_mode(enum clock_event_mode mode,
+			  struct clock_event_device *evt)
+{
+	unsigned long ctrl;
+	uint64_t delta;
+	int timer_num;
+	struct apbt_dev *adev = EVT_TO_APBT_DEV(evt);
+
+	timer_num = adev->num;
+	pr_debug("%s CPU %d timer %d mode=%d\n",
+		 __func__, first_cpu(*evt->cpumask), timer_num, mode);
+
+	switch (mode) {
+	case CLOCK_EVT_MODE_PERIODIC:
+		delta = ((uint64_t)(NSEC_PER_SEC/HZ)) * apbt_clockevent.mult;
+		delta >>= apbt_clockevent.shift;
+		ctrl = apbt_readl(timer_num, APBTMR_N_CONTROL);
+		ctrl |= APBTMR_CONTROL_MODE_PERIODIC;
+		apbt_writel(timer_num, ctrl, APBTMR_N_CONTROL);
+		/*
+		 * DW APB p. 46, have to disable timer before load counter,
+		 * may cause sync problem.
+		 */
+		ctrl &= ~APBTMR_CONTROL_ENABLE;
+		apbt_writel(timer_num, ctrl, APBTMR_N_CONTROL);
+		udelay(1);
+		pr_debug("Setting clock period %d for HZ %d\n", (int)delta, HZ);
+		apbt_writel(timer_num, delta, APBTMR_N_LOAD_COUNT);
+		ctrl |= APBTMR_CONTROL_ENABLE;
+		apbt_writel(timer_num, ctrl, APBTMR_N_CONTROL);
+		break;
+		/* APB timer does not have one-shot mode, use free running mode */
+	case CLOCK_EVT_MODE_ONESHOT:
+		ctrl = apbt_readl(timer_num, APBTMR_N_CONTROL);
+		/*
+		 * set free running mode, this mode will let timer reload max
+		 * timeout which will give time (3min on 25MHz clock) to rearm
+		 * the next event, therefore emulate the one-shot mode.
+		 */
+		ctrl &= ~APBTMR_CONTROL_ENABLE;
+		ctrl &= ~APBTMR_CONTROL_MODE_PERIODIC;
+
+		apbt_writel(timer_num, ctrl, APBTMR_N_CONTROL);
+		/* write again to set free running mode */
+		apbt_writel(timer_num, ctrl, APBTMR_N_CONTROL);
+
+		/*
+		 * DW APB p. 46, load counter with all 1s before starting free
+		 * running mode.
+		 */
+		apbt_writel(timer_num, ~0, APBTMR_N_LOAD_COUNT);
+		ctrl &= ~APBTMR_CONTROL_INT;
+		ctrl |= APBTMR_CONTROL_ENABLE;
+		apbt_writel(timer_num, ctrl, APBTMR_N_CONTROL);
+		break;
+
+	case CLOCK_EVT_MODE_UNUSED:
+	case CLOCK_EVT_MODE_SHUTDOWN:
+		apbt_disable_int(timer_num);
+		ctrl = apbt_readl(timer_num, APBTMR_N_CONTROL);
+		ctrl &= ~APBTMR_CONTROL_ENABLE;
+		apbt_writel(timer_num, ctrl, APBTMR_N_CONTROL);
+		break;
+
+	case CLOCK_EVT_MODE_RESUME:
+		apbt_enable_int(timer_num);
+		break;
+	}
+}
+
+static int apbt_next_event(unsigned long delta,
+			   struct clock_event_device *evt)
+{
+	unsigned long ctrl;
+	int timer_num;
+
+	struct apbt_dev *adev = EVT_TO_APBT_DEV(evt);
+
+	timer_num = adev->num;
+	/* Disable timer */
+	ctrl = apbt_readl(timer_num, APBTMR_N_CONTROL);
+	ctrl &= ~APBTMR_CONTROL_ENABLE;
+	apbt_writel(timer_num, ctrl, APBTMR_N_CONTROL);
+	/* write new count */
+	apbt_writel(timer_num, delta, APBTMR_N_LOAD_COUNT);
+	ctrl |= APBTMR_CONTROL_ENABLE;
+	apbt_writel(timer_num, ctrl, APBTMR_N_CONTROL);
+	return 0;
+}
+
+/*
+ * APB timer clock is not in sync with pclk on Langwell, which translates to
+ * unreliable read value caused by sampling error. the error does not add up
+ * overtime and only happens when sampling a 0 as a 1 by mistake. so the time
+ * would go backwards. the following code is trying to prevent time traveling
+ * backwards. little bit paranoid.
+ */
+static cycle_t apbt_read_clocksource(struct clocksource *cs)
+{
+	unsigned long t0, t1, t2;
+	static unsigned long last_read;
+
+bad_count:
+	t1 = apbt_readl(phy_cs_timer_id,
+			APBTMR_N_CURRENT_VALUE);
+	t2 = apbt_readl(phy_cs_timer_id,
+			APBTMR_N_CURRENT_VALUE);
+	if (unlikely(t1 < t2)) {
+		pr_debug("APBT: read current count error %lx:%lx:%lx\n",
+			 t1, t2, t2 - t1);
+		goto bad_count;
+	}
+	/*
+	 * check against cached last read, makes sure time does not go back.
+	 * it could be a normal rollover but we will do tripple check anyway
+	 */
+	if (unlikely(t2 > last_read)) {
+		/* check if we have a normal rollover */
+		unsigned long raw_intr_status =
+			apbt_readl_reg(APBTMRS_RAW_INT_STATUS);
+		/*
+		 * cs timer interrupt is masked but raw intr bit is set if
+		 * rollover occurs. then we read EOI reg to clear it.
+		 */
+		if (raw_intr_status & (1 << phy_cs_timer_id)) {
+			apbt_readl(phy_cs_timer_id, APBTMR_N_EOI);
+			goto out;
+		}
+		pr_debug("APB CS going back %lx:%lx:%lx ",
+			 t2, last_read, t2 - last_read);
+bad_count_x3:
+		pr_debug(KERN_INFO "tripple check enforced\n");
+		t0 = apbt_readl(phy_cs_timer_id,
+				APBTMR_N_CURRENT_VALUE);
+		udelay(1);
+		t1 = apbt_readl(phy_cs_timer_id,
+				APBTMR_N_CURRENT_VALUE);
+		udelay(1);
+		t2 = apbt_readl(phy_cs_timer_id,
+				APBTMR_N_CURRENT_VALUE);
+		if ((t2 > t1) || (t1 > t0)) {
+			printk(KERN_ERR "Error: APB CS tripple check failed\n");
+			goto bad_count_x3;
+		}
+	}
+out:
+	last_read = t2;
+	return (cycle_t)~t2;
+}
+
+static int apbt_clocksource_register(void)
+{
+	u64 start, now;
+	cycle_t t1;
+
+	/* Start the counter, use timer 2 as source, timer 0/1 for event */
+	apbt_start_counter(phy_cs_timer_id);
+
+	/* Verify whether apbt counter works */
+	t1 = apbt_read_clocksource(&clocksource_apbt);
+	rdtscll(start);
+
+	/*
+	 * We don't know the TSC frequency yet, but waiting for
+	 * 200000 TSC cycles is safe:
+	 * 4 GHz == 50us
+	 * 1 GHz == 200us
+	 */
+	do {
+		rep_nop();
+		rdtscll(now);
+	} while ((now - start) < 200000UL);
+
+	/* APBT is the only always on clocksource, it has to work! */
+	if (t1 == apbt_read_clocksource(&clocksource_apbt))
+		panic("APBT counter not counting. APBT disabled\n");
+
+	/*
+	 * initialize and register APBT clocksource
+	 * convert that to ns/clock cycle
+	 * mult = (ns/c) * 2^APBT_SHIFT
+	 */
+	clocksource_apbt.mult = div_sc(MSEC_PER_SEC,
+				       (unsigned long) apbt_freq, APBT_SHIFT);
+	clocksource_register(&clocksource_apbt);
+
+	return 0;
+}
+
+/*
+ * Early setup the APBT timer, only use timer 0 for booting then switch to
+ * per CPU timer if possible.
+ * returns 1 if per cpu apbt is setup
+ * returns 0 if no per cpu apbt is chosen
+ * panic if set up failed, this is the only platform timer on Moorestown.
+ */
+void __init apbt_time_init(void)
+{
+#ifdef CONFIG_SMP
+	int i;
+	struct sfi_timer_table_entry *p_mtmr;
+	unsigned int percpu_timer;
+	struct apbt_dev *adev;
+#endif
+
+	if (apb_timer_block_enabled)
+		return;
+	apbt_set_mapping();
+	if (apbt_virt_address) {
+		pr_debug("Found APBT version 0x%lx\n",\
+			 apbt_readl_reg(APBTMRS_COMP_VERSION));
+	} else
+		goto out_noapbt;
+	/*
+	 * Read the frequency and check for a sane value, for ESL model
+	 * we extend the possible clock range to allow time scaling.
+	 */
+
+	if (apbt_freq < APBT_MIN_FREQ || apbt_freq > APBT_MAX_FREQ) {
+		pr_debug("APBT has invalid freq 0x%llx\n", apbt_freq);
+		goto out_noapbt;
+	}
+	if (apbt_clocksource_register()) {
+		pr_debug("APBT has failed to register clocksource\n");
+		goto out_noapbt;
+	}
+	if (!apbt_clockevent_register())
+		apb_timer_block_enabled = 1;
+	else {
+		pr_debug("APBT has failed to register clockevent\n");
+		goto out_noapbt;
+	}
+#ifdef CONFIG_SMP
+	/* kernel cmdline disable apb timer, so we will use lapic timers */
+	if (disable_apbt_percpu) {
+		printk(KERN_INFO "apbt: disabled per cpu timer\n");
+		return;
+	}
+	pr_debug("%s: %d CPUs online\n", __func__, num_online_cpus());
+	if (num_possible_cpus() <= sfi_mtimer_num) {
+		percpu_timer = 1;
+		apbt_num_timers_used = num_possible_cpus();
+	} else {
+		percpu_timer = 0;
+		apbt_num_timers_used = 1;
+		adev = &per_cpu(cpu_apbt_dev, 0);
+		adev->flags &= ~APBT_DEV_USED;
+	}
+	pr_debug("%s: %d APB timers used\n", __func__, apbt_num_timers_used);
+
+	/* here we set up per CPU timer data structure */
+	apbt_devs = kzalloc(sizeof(struct apbt_dev) * apbt_num_timers_used,
+			    GFP_KERNEL);
+	if (!apbt_devs) {
+		printk(KERN_ERR "Failed to allocate APB timer devices\n");
+		return;
+	}
+	for (i = 0; i < apbt_num_timers_used; i++) {
+		adev = &per_cpu(cpu_apbt_dev, i);
+		adev->num = i;
+		adev->cpu = i;
+		p_mtmr = sfi_get_mtmr(i);
+		if (p_mtmr) {
+			adev->tick = p_mtmr->freq_hz;
+			adev->irq = p_mtmr->irq;
+		} else
+			printk(KERN_ERR "Failed to get timer for cpu %d\n", i);
+		adev->count = 0;
+		sprintf(adev->name, "apbt%d", i);
+	}
+#endif
+
+	return;
+
+out_noapbt:
+	apbt_clear_mapping();
+	apb_timer_block_enabled = 0;
+	panic("failed to enable APB timer\n");
+}
+
+static inline void apbt_disable(int n)
+{
+	if (is_apbt_capable()) {
+		unsigned long ctrl =  apbt_readl(n, APBTMR_N_CONTROL);
+		ctrl &= ~APBTMR_CONTROL_ENABLE;
+		apbt_writel(n, ctrl, APBTMR_N_CONTROL);
+	}
+}
+
+/* called before apb_timer_enable, use early map */
+unsigned long apbt_quick_calibrate()
+{
+	int i, scale;
+	u64 old, new;
+	cycle_t t1, t2;
+	unsigned long khz = 0;
+	u32 loop, shift;
+
+	apbt_set_mapping();
+	apbt_start_counter(phy_cs_timer_id);
+
+	/* check if the timer can count down, otherwise return */
+	old = apbt_read_clocksource(&clocksource_apbt);
+	i = 10000;
+	while (--i) {
+		if (old != apbt_read_clocksource(&clocksource_apbt))
+			break;
+	}
+	if (!i)
+		goto failed;
+
+	/* count 16 ms */
+	loop = (apbt_freq * 1000) << 4;
+
+	/* restart the timer to ensure it won't get to 0 in the calibration */
+	apbt_start_counter(phy_cs_timer_id);
+
+	old = apbt_read_clocksource(&clocksource_apbt);
+	old += loop;
+
+	t1 = __native_read_tsc();
+
+	do {
+		new = apbt_read_clocksource(&clocksource_apbt);
+	} while (new < old);
+
+	t2 = __native_read_tsc();
+
+	shift = 5;
+	if (unlikely(loop >> shift == 0)) {
+		printk(KERN_INFO
+		       "APBT TSC calibration failed, not enough resolution\n");
+		return 0;
+	}
+	scale = (int)div_u64((t2 - t1), loop >> shift);
+	khz = (scale * apbt_freq * 1000) >> shift;
+	printk(KERN_INFO "TSC freq calculated by APB timer is %lu khz\n", khz);
+	return khz;
+failed:
+	return 0;
+}
diff --git a/arch/x86/kernel/aperture_64.c b/arch/x86/kernel/aperture_64.c
index f147a95fd84a..3704997e8b25 100644
--- a/arch/x86/kernel/aperture_64.c
+++ b/arch/x86/kernel/aperture_64.c
@@ -31,7 +31,6 @@
 #include <asm/x86_init.h>
 
 int gart_iommu_aperture;
-EXPORT_SYMBOL_GPL(gart_iommu_aperture);
 int gart_iommu_aperture_disabled __initdata;
 int gart_iommu_aperture_allowed __initdata;
 
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index 6e29b2a77aa8..00187f1fcfb7 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -1390,7 +1390,7 @@ void __init enable_IR_x2apic(void)
 	}
 
 	local_irq_save(flags);
-	mask_8259A();
+	legacy_pic->mask_all();
 	mask_IO_APIC_setup(ioapic_entries);
 
 	if (dmar_table_init_ret)
@@ -1422,7 +1422,7 @@ void __init enable_IR_x2apic(void)
 nox2apic:
 	if (!ret) /* IR enabling failed */
 		restore_IO_APIC_setup(ioapic_entries);
-	unmask_8259A();
+	legacy_pic->restore_mask();
 	local_irq_restore(flags);
 
 out:
@@ -2018,7 +2018,7 @@ static int lapic_resume(struct sys_device *dev)
 		}
 
 		mask_IO_APIC_setup(ioapic_entries);
-		mask_8259A();
+		legacy_pic->mask_all();
 	}
 
 	if (x2apic_mode)
@@ -2062,7 +2062,7 @@ static int lapic_resume(struct sys_device *dev)
 
 	if (intr_remapping_enabled) {
 		reenable_intr_remapping(x2apic_mode);
-		unmask_8259A();
+		legacy_pic->restore_mask();
 		restore_IO_APIC_setup(ioapic_entries);
 		free_ioapic_entries(ioapic_entries);
 	}
diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c
index e3c3d820c325..09d3b17ce0c2 100644
--- a/arch/x86/kernel/apic/apic_flat_64.c
+++ b/arch/x86/kernel/apic/apic_flat_64.c
@@ -223,7 +223,7 @@ struct apic apic_flat =  {
 };
 
 /*
- * Physflat mode is used when there are more than 8 CPUs on a AMD system.
+ * Physflat mode is used when there are more than 8 CPUs on a system.
  * We cannot use logical delivery in this case because the mask
  * overflows, so use physical mode.
  */
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 6bdd2c7ead75..463de9a858ad 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -73,8 +73,8 @@
  */
 int sis_apic_bug = -1;
 
-static DEFINE_SPINLOCK(ioapic_lock);
-static DEFINE_SPINLOCK(vector_lock);
+static DEFINE_RAW_SPINLOCK(ioapic_lock);
+static DEFINE_RAW_SPINLOCK(vector_lock);
 
 /*
  * # of IRQ routing registers
@@ -94,8 +94,6 @@ struct mpc_intsrc mp_irqs[MAX_IRQ_SOURCES];
 /* # of MP IRQ source entries */
 int mp_irq_entries;
 
-/* Number of legacy interrupts */
-static int nr_legacy_irqs __read_mostly = NR_IRQS_LEGACY;
 /* GSI interrupts */
 static int nr_irqs_gsi = NR_IRQS_LEGACY;
 
@@ -140,33 +138,10 @@ static struct irq_pin_list *get_one_free_irq_2_pin(int node)
 
 /* irq_cfg is indexed by the sum of all RTEs in all I/O APICs. */
 #ifdef CONFIG_SPARSE_IRQ
-static struct irq_cfg irq_cfgx[] = {
+static struct irq_cfg irq_cfgx[NR_IRQS_LEGACY];
 #else
-static struct irq_cfg irq_cfgx[NR_IRQS] = {
+static struct irq_cfg irq_cfgx[NR_IRQS];
 #endif
-	[0]  = { .vector = IRQ0_VECTOR,  },
-	[1]  = { .vector = IRQ1_VECTOR,  },
-	[2]  = { .vector = IRQ2_VECTOR,  },
-	[3]  = { .vector = IRQ3_VECTOR,  },
-	[4]  = { .vector = IRQ4_VECTOR,  },
-	[5]  = { .vector = IRQ5_VECTOR,  },
-	[6]  = { .vector = IRQ6_VECTOR,  },
-	[7]  = { .vector = IRQ7_VECTOR,  },
-	[8]  = { .vector = IRQ8_VECTOR,  },
-	[9]  = { .vector = IRQ9_VECTOR,  },
-	[10] = { .vector = IRQ10_VECTOR, },
-	[11] = { .vector = IRQ11_VECTOR, },
-	[12] = { .vector = IRQ12_VECTOR, },
-	[13] = { .vector = IRQ13_VECTOR, },
-	[14] = { .vector = IRQ14_VECTOR, },
-	[15] = { .vector = IRQ15_VECTOR, },
-};
-
-void __init io_apic_disable_legacy(void)
-{
-	nr_legacy_irqs = 0;
-	nr_irqs_gsi = 0;
-}
 
 int __init arch_early_irq_init(void)
 {
@@ -176,6 +151,11 @@ int __init arch_early_irq_init(void)
 	int node;
 	int i;
 
+	if (!legacy_pic->nr_legacy_irqs) {
+		nr_irqs_gsi = 0;
+		io_apic_irqs = ~0UL;
+	}
+
 	cfg = irq_cfgx;
 	count = ARRAY_SIZE(irq_cfgx);
 	node= cpu_to_node(boot_cpu_id);
@@ -185,8 +165,14 @@ int __init arch_early_irq_init(void)
 		desc->chip_data = &cfg[i];
 		zalloc_cpumask_var_node(&cfg[i].domain, GFP_NOWAIT, node);
 		zalloc_cpumask_var_node(&cfg[i].old_domain, GFP_NOWAIT, node);
-		if (i < nr_legacy_irqs)
-			cpumask_setall(cfg[i].domain);
+		/*
+		 * For legacy IRQ's, start with assigning irq0 to irq15 to
+		 * IRQ0_VECTOR to IRQ15_VECTOR on cpu 0.
+		 */
+		if (i < legacy_pic->nr_legacy_irqs) {
+			cfg[i].vector = IRQ0_VECTOR + i;
+			cpumask_set_cpu(0, cfg[i].domain);
+		}
 	}
 
 	return 0;
@@ -406,7 +392,7 @@ static bool io_apic_level_ack_pending(struct irq_cfg *cfg)
 	struct irq_pin_list *entry;
 	unsigned long flags;
 
-	spin_lock_irqsave(&ioapic_lock, flags);
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
 	for_each_irq_pin(entry, cfg->irq_2_pin) {
 		unsigned int reg;
 		int pin;
@@ -415,11 +401,11 @@ static bool io_apic_level_ack_pending(struct irq_cfg *cfg)
 		reg = io_apic_read(entry->apic, 0x10 + pin*2);
 		/* Is the remote IRR bit set? */
 		if (reg & IO_APIC_REDIR_REMOTE_IRR) {
-			spin_unlock_irqrestore(&ioapic_lock, flags);
+			raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 			return true;
 		}
 	}
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 
 	return false;
 }
@@ -433,10 +419,10 @@ static struct IO_APIC_route_entry ioapic_read_entry(int apic, int pin)
 {
 	union entry_union eu;
 	unsigned long flags;
-	spin_lock_irqsave(&ioapic_lock, flags);
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
 	eu.w1 = io_apic_read(apic, 0x10 + 2 * pin);
 	eu.w2 = io_apic_read(apic, 0x11 + 2 * pin);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 	return eu.entry;
 }
 
@@ -459,9 +445,9 @@ __ioapic_write_entry(int apic, int pin, struct IO_APIC_route_entry e)
 void ioapic_write_entry(int apic, int pin, struct IO_APIC_route_entry e)
 {
 	unsigned long flags;
-	spin_lock_irqsave(&ioapic_lock, flags);
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
 	__ioapic_write_entry(apic, pin, e);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 
 /*
@@ -474,10 +460,10 @@ static void ioapic_mask_entry(int apic, int pin)
 	unsigned long flags;
 	union entry_union eu = { .entry.mask = 1 };
 
-	spin_lock_irqsave(&ioapic_lock, flags);
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
 	io_apic_write(apic, 0x10 + 2*pin, eu.w1);
 	io_apic_write(apic, 0x11 + 2*pin, eu.w2);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 
 /*
@@ -604,9 +590,9 @@ static void mask_IO_APIC_irq_desc(struct irq_desc *desc)
 
 	BUG_ON(!cfg);
 
-	spin_lock_irqsave(&ioapic_lock, flags);
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
 	__mask_IO_APIC_irq(cfg);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 
 static void unmask_IO_APIC_irq_desc(struct irq_desc *desc)
@@ -614,9 +600,9 @@ static void unmask_IO_APIC_irq_desc(struct irq_desc *desc)
 	struct irq_cfg *cfg = desc->chip_data;
 	unsigned long flags;
 
-	spin_lock_irqsave(&ioapic_lock, flags);
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
 	__unmask_IO_APIC_irq(cfg);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 
 static void mask_IO_APIC_irq(unsigned int irq)
@@ -865,7 +851,7 @@ static int __init find_isa_irq_apic(int irq, int type)
  */
 static int EISA_ELCR(unsigned int irq)
 {
-	if (irq < nr_legacy_irqs) {
+	if (irq < legacy_pic->nr_legacy_irqs) {
 		unsigned int port = 0x4d0 + (irq >> 3);
 		return (inb(port) >> (irq & 7)) & 1;
 	}
@@ -1140,12 +1126,12 @@ void lock_vector_lock(void)
 	/* Used to the online set of cpus does not change
 	 * during assign_irq_vector.
 	 */
-	spin_lock(&vector_lock);
+	raw_spin_lock(&vector_lock);
 }
 
 void unlock_vector_lock(void)
 {
-	spin_unlock(&vector_lock);
+	raw_spin_unlock(&vector_lock);
 }
 
 static int
@@ -1162,7 +1148,8 @@ __assign_irq_vector(int irq, struct irq_cfg *cfg, const struct cpumask *mask)
 	 * Also, we've got to be careful not to trash gate
 	 * 0x80, because int 0x80 is hm, kind of importantish. ;)
 	 */
-	static int current_vector = FIRST_DEVICE_VECTOR, current_offset = 0;
+	static int current_vector = FIRST_EXTERNAL_VECTOR + VECTOR_OFFSET_START;
+	static int current_offset = VECTOR_OFFSET_START % 8;
 	unsigned int old_vector;
 	int cpu, err;
 	cpumask_var_t tmp_mask;
@@ -1198,7 +1185,7 @@ next:
 		if (vector >= first_system_vector) {
 			/* If out of vectors on large boxen, must share them. */
 			offset = (offset + 1) % 8;
-			vector = FIRST_DEVICE_VECTOR + offset;
+			vector = FIRST_EXTERNAL_VECTOR + offset;
 		}
 		if (unlikely(current_vector == vector))
 			continue;
@@ -1232,9 +1219,9 @@ int assign_irq_vector(int irq, struct irq_cfg *cfg, const struct cpumask *mask)
 	int err;
 	unsigned long flags;
 
-	spin_lock_irqsave(&vector_lock, flags);
+	raw_spin_lock_irqsave(&vector_lock, flags);
 	err = __assign_irq_vector(irq, cfg, mask);
-	spin_unlock_irqrestore(&vector_lock, flags);
+	raw_spin_unlock_irqrestore(&vector_lock, flags);
 	return err;
 }
 
@@ -1268,14 +1255,27 @@ static void __clear_irq_vector(int irq, struct irq_cfg *cfg)
 void __setup_vector_irq(int cpu)
 {
 	/* Initialize vector_irq on a new cpu */
-	/* This function must be called with vector_lock held */
 	int irq, vector;
 	struct irq_cfg *cfg;
 	struct irq_desc *desc;
 
+	/*
+	 * vector_lock will make sure that we don't run into irq vector
+	 * assignments that might be happening on another cpu in parallel,
+	 * while we setup our initial vector to irq mappings.
+	 */
+	raw_spin_lock(&vector_lock);
 	/* Mark the inuse vectors */
 	for_each_irq_desc(irq, desc) {
 		cfg = desc->chip_data;
+
+		/*
+		 * If it is a legacy IRQ handled by the legacy PIC, this cpu
+		 * will be part of the irq_cfg's domain.
+		 */
+		if (irq < legacy_pic->nr_legacy_irqs && !IO_APIC_IRQ(irq))
+			cpumask_set_cpu(cpu, cfg->domain);
+
 		if (!cpumask_test_cpu(cpu, cfg->domain))
 			continue;
 		vector = cfg->vector;
@@ -1291,6 +1291,7 @@ void __setup_vector_irq(int cpu)
 		if (!cpumask_test_cpu(cpu, cfg->domain))
 			per_cpu(vector_irq, cpu)[vector] = -1;
 	}
+	raw_spin_unlock(&vector_lock);
 }
 
 static struct irq_chip ioapic_chip;
@@ -1440,6 +1441,14 @@ static void setup_IO_APIC_irq(int apic_id, int pin, unsigned int irq, struct irq
 
 	cfg = desc->chip_data;
 
+	/*
+	 * For legacy irqs, cfg->domain starts with cpu 0 for legacy
+	 * controllers like 8259. Now that IO-APIC can handle this irq, update
+	 * the cfg->domain.
+	 */
+	if (irq < legacy_pic->nr_legacy_irqs && cpumask_test_cpu(0, cfg->domain))
+		apic->vector_allocation_domain(0, cfg->domain);
+
 	if (assign_irq_vector(irq, cfg, apic->target_cpus()))
 		return;
 
@@ -1461,8 +1470,8 @@ static void setup_IO_APIC_irq(int apic_id, int pin, unsigned int irq, struct irq
 	}
 
 	ioapic_register_intr(irq, desc, trigger);
-	if (irq < nr_legacy_irqs)
-		disable_8259A_irq(irq);
+	if (irq < legacy_pic->nr_legacy_irqs)
+		legacy_pic->chip->mask(irq);
 
 	ioapic_write_entry(apic_id, pin, entry);
 }
@@ -1473,7 +1482,7 @@ static struct {
 
 static void __init setup_IO_APIC_irqs(void)
 {
-	int apic_id = 0, pin, idx, irq;
+	int apic_id, pin, idx, irq;
 	int notcon = 0;
 	struct irq_desc *desc;
 	struct irq_cfg *cfg;
@@ -1481,14 +1490,7 @@ static void __init setup_IO_APIC_irqs(void)
 
 	apic_printk(APIC_VERBOSE, KERN_DEBUG "init IO_APIC IRQs\n");
 
-#ifdef CONFIG_ACPI
-	if (!acpi_disabled && acpi_ioapic) {
-		apic_id = mp_find_ioapic(0);
-		if (apic_id < 0)
-			apic_id = 0;
-	}
-#endif
-
+	for (apic_id = 0; apic_id < nr_ioapics; apic_id++)
 	for (pin = 0; pin < nr_ioapic_registers[apic_id]; pin++) {
 		idx = find_irq_entry(apic_id, pin, mp_INT);
 		if (idx == -1) {
@@ -1510,6 +1512,9 @@ static void __init setup_IO_APIC_irqs(void)
 
 		irq = pin_2_irq(idx, apic_id, pin);
 
+		if ((apic_id > 0) && (irq > 16))
+			continue;
+
 		/*
 		 * Skip the timer IRQ if there's a quirk handler
 		 * installed and if it returns 1:
@@ -1539,6 +1544,56 @@ static void __init setup_IO_APIC_irqs(void)
 }
 
 /*
+ * for the gsit that is not in first ioapic
+ * but could not use acpi_register_gsi()
+ * like some special sci in IBM x3330
+ */
+void setup_IO_APIC_irq_extra(u32 gsi)
+{
+	int apic_id = 0, pin, idx, irq;
+	int node = cpu_to_node(boot_cpu_id);
+	struct irq_desc *desc;
+	struct irq_cfg *cfg;
+
+	/*
+	 * Convert 'gsi' to 'ioapic.pin'.
+	 */
+	apic_id = mp_find_ioapic(gsi);
+	if (apic_id < 0)
+		return;
+
+	pin = mp_find_ioapic_pin(apic_id, gsi);
+	idx = find_irq_entry(apic_id, pin, mp_INT);
+	if (idx == -1)
+		return;
+
+	irq = pin_2_irq(idx, apic_id, pin);
+#ifdef CONFIG_SPARSE_IRQ
+	desc = irq_to_desc(irq);
+	if (desc)
+		return;
+#endif
+	desc = irq_to_desc_alloc_node(irq, node);
+	if (!desc) {
+		printk(KERN_INFO "can not get irq_desc for %d\n", irq);
+		return;
+	}
+
+	cfg = desc->chip_data;
+	add_pin_to_irq_node(cfg, node, apic_id, pin);
+
+	if (test_bit(pin, mp_ioapic_routing[apic_id].pin_programmed)) {
+		pr_debug("Pin %d-%d already programmed\n",
+			 mp_ioapics[apic_id].apicid, pin);
+		return;
+	}
+	set_bit(pin, mp_ioapic_routing[apic_id].pin_programmed);
+
+	setup_IO_APIC_irq(apic_id, pin, irq, desc,
+			irq_trigger(idx), irq_polarity(idx));
+}
+
+/*
  * Set up the timer pin, possibly with the 8259A-master behind.
  */
 static void __init setup_timer_IRQ0_pin(unsigned int apic_id, unsigned int pin,
@@ -1601,14 +1656,14 @@ __apicdebuginit(void) print_IO_APIC(void)
 
 	for (apic = 0; apic < nr_ioapics; apic++) {
 
-	spin_lock_irqsave(&ioapic_lock, flags);
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
 	reg_00.raw = io_apic_read(apic, 0);
 	reg_01.raw = io_apic_read(apic, 1);
 	if (reg_01.bits.version >= 0x10)
 		reg_02.raw = io_apic_read(apic, 2);
 	if (reg_01.bits.version >= 0x20)
 		reg_03.raw = io_apic_read(apic, 3);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 
 	printk("\n");
 	printk(KERN_DEBUG "IO APIC #%d......\n", mp_ioapics[apic].apicid);
@@ -1825,12 +1880,12 @@ __apicdebuginit(void) print_PIC(void)
 	unsigned int v;
 	unsigned long flags;
 
-	if (!nr_legacy_irqs)
+	if (!legacy_pic->nr_legacy_irqs)
 		return;
 
 	printk(KERN_DEBUG "\nprinting PIC contents\n");
 
-	spin_lock_irqsave(&i8259A_lock, flags);
+	raw_spin_lock_irqsave(&i8259A_lock, flags);
 
 	v = inb(0xa1) << 8 | inb(0x21);
 	printk(KERN_DEBUG "... PIC  IMR: %04x\n", v);
@@ -1844,7 +1899,7 @@ __apicdebuginit(void) print_PIC(void)
 	outb(0x0a,0xa0);
 	outb(0x0a,0x20);
 
-	spin_unlock_irqrestore(&i8259A_lock, flags);
+	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 
 	printk(KERN_DEBUG "... PIC  ISR: %04x\n", v);
 
@@ -1903,13 +1958,13 @@ void __init enable_IO_APIC(void)
 	 * The number of IO-APIC IRQ registers (== #pins):
 	 */
 	for (apic = 0; apic < nr_ioapics; apic++) {
-		spin_lock_irqsave(&ioapic_lock, flags);
+		raw_spin_lock_irqsave(&ioapic_lock, flags);
 		reg_01.raw = io_apic_read(apic, 1);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
+		raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 		nr_ioapic_registers[apic] = reg_01.bits.entries+1;
 	}
 
-	if (!nr_legacy_irqs)
+	if (!legacy_pic->nr_legacy_irqs)
 		return;
 
 	for(apic = 0; apic < nr_ioapics; apic++) {
@@ -1966,7 +2021,7 @@ void disable_IO_APIC(void)
 	 */
 	clear_IO_APIC();
 
-	if (!nr_legacy_irqs)
+	if (!legacy_pic->nr_legacy_irqs)
 		return;
 
 	/*
@@ -2045,9 +2100,9 @@ void __init setup_ioapic_ids_from_mpc(void)
 	for (apic_id = 0; apic_id < nr_ioapics; apic_id++) {
 
 		/* Read the register 0 value */
-		spin_lock_irqsave(&ioapic_lock, flags);
+		raw_spin_lock_irqsave(&ioapic_lock, flags);
 		reg_00.raw = io_apic_read(apic_id, 0);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
+		raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 
 		old_id = mp_ioapics[apic_id].apicid;
 
@@ -2106,16 +2161,16 @@ void __init setup_ioapic_ids_from_mpc(void)
 			mp_ioapics[apic_id].apicid);
 
 		reg_00.bits.ID = mp_ioapics[apic_id].apicid;
-		spin_lock_irqsave(&ioapic_lock, flags);
+		raw_spin_lock_irqsave(&ioapic_lock, flags);
 		io_apic_write(apic_id, 0, reg_00.raw);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
+		raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 
 		/*
 		 * Sanity check
 		 */
-		spin_lock_irqsave(&ioapic_lock, flags);
+		raw_spin_lock_irqsave(&ioapic_lock, flags);
 		reg_00.raw = io_apic_read(apic_id, 0);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
+		raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 		if (reg_00.bits.ID != mp_ioapics[apic_id].apicid)
 			printk("could not set ID!\n");
 		else
@@ -2198,15 +2253,15 @@ static unsigned int startup_ioapic_irq(unsigned int irq)
 	unsigned long flags;
 	struct irq_cfg *cfg;
 
-	spin_lock_irqsave(&ioapic_lock, flags);
-	if (irq < nr_legacy_irqs) {
-		disable_8259A_irq(irq);
-		if (i8259A_irq_pending(irq))
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
+	if (irq < legacy_pic->nr_legacy_irqs) {
+		legacy_pic->chip->mask(irq);
+		if (legacy_pic->irq_pending(irq))
 			was_pending = 1;
 	}
 	cfg = irq_cfg(irq);
 	__unmask_IO_APIC_irq(cfg);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 
 	return was_pending;
 }
@@ -2217,9 +2272,9 @@ static int ioapic_retrigger_irq(unsigned int irq)
 	struct irq_cfg *cfg = irq_cfg(irq);
 	unsigned long flags;
 
-	spin_lock_irqsave(&vector_lock, flags);
+	raw_spin_lock_irqsave(&vector_lock, flags);
 	apic->send_IPI_mask(cpumask_of(cpumask_first(cfg->domain)), cfg->vector);
-	spin_unlock_irqrestore(&vector_lock, flags);
+	raw_spin_unlock_irqrestore(&vector_lock, flags);
 
 	return 1;
 }
@@ -2312,14 +2367,14 @@ set_ioapic_affinity_irq_desc(struct irq_desc *desc, const struct cpumask *mask)
 	irq = desc->irq;
 	cfg = desc->chip_data;
 
-	spin_lock_irqsave(&ioapic_lock, flags);
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
 	ret = set_desc_affinity(desc, mask, &dest);
 	if (!ret) {
 		/* Only the high 8 bits are valid. */
 		dest = SET_APIC_LOGICAL_ID(dest);
 		__target_IO_APIC_irq(irq, dest, cfg);
 	}
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 
 	return ret;
 }
@@ -2554,9 +2609,9 @@ static void eoi_ioapic_irq(struct irq_desc *desc)
 	irq = desc->irq;
 	cfg = desc->chip_data;
 
-	spin_lock_irqsave(&ioapic_lock, flags);
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
 	__eoi_ioapic_irq(irq, cfg);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 }
 
 static void ack_apic_level(unsigned int irq)
@@ -2734,8 +2789,8 @@ static inline void init_IO_APIC_traps(void)
 			 * so default to an old-fashioned 8259
 			 * interrupt if we can..
 			 */
-			if (irq < nr_legacy_irqs)
-				make_8259A_irq(irq);
+			if (irq < legacy_pic->nr_legacy_irqs)
+				legacy_pic->make_irq(irq);
 			else
 				/* Strange. Oh, well.. */
 				desc->chip = &no_irq_chip;
@@ -2892,7 +2947,7 @@ static inline void __init check_timer(void)
 	/*
 	 * get/set the timer IRQ vector:
 	 */
-	disable_8259A_irq(0);
+	legacy_pic->chip->mask(0);
 	assign_irq_vector(0, cfg, apic->target_cpus());
 
 	/*
@@ -2905,7 +2960,7 @@ static inline void __init check_timer(void)
 	 * automatically.
 	 */
 	apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT);
-	init_8259A(1);
+	legacy_pic->init(1);
 #ifdef CONFIG_X86_32
 	{
 		unsigned int ver;
@@ -2964,7 +3019,7 @@ static inline void __init check_timer(void)
 		if (timer_irq_works()) {
 			if (nmi_watchdog == NMI_IO_APIC) {
 				setup_nmi();
-				enable_8259A_irq(0);
+				legacy_pic->chip->unmask(0);
 			}
 			if (disable_timer_pin_1 > 0)
 				clear_IO_APIC_pin(0, pin1);
@@ -2987,14 +3042,14 @@ static inline void __init check_timer(void)
 		 */
 		replace_pin_at_irq_node(cfg, node, apic1, pin1, apic2, pin2);
 		setup_timer_IRQ0_pin(apic2, pin2, cfg->vector);
-		enable_8259A_irq(0);
+		legacy_pic->chip->unmask(0);
 		if (timer_irq_works()) {
 			apic_printk(APIC_QUIET, KERN_INFO "....... works.\n");
 			timer_through_8259 = 1;
 			if (nmi_watchdog == NMI_IO_APIC) {
-				disable_8259A_irq(0);
+				legacy_pic->chip->mask(0);
 				setup_nmi();
-				enable_8259A_irq(0);
+				legacy_pic->chip->unmask(0);
 			}
 			goto out;
 		}
@@ -3002,7 +3057,7 @@ static inline void __init check_timer(void)
 		 * Cleanup, just in case ...
 		 */
 		local_irq_disable();
-		disable_8259A_irq(0);
+		legacy_pic->chip->mask(0);
 		clear_IO_APIC_pin(apic2, pin2);
 		apic_printk(APIC_QUIET, KERN_INFO "....... failed.\n");
 	}
@@ -3021,22 +3076,22 @@ static inline void __init check_timer(void)
 
 	lapic_register_intr(0, desc);
 	apic_write(APIC_LVT0, APIC_DM_FIXED | cfg->vector);	/* Fixed mode */
-	enable_8259A_irq(0);
+	legacy_pic->chip->unmask(0);
 
 	if (timer_irq_works()) {
 		apic_printk(APIC_QUIET, KERN_INFO "..... works.\n");
 		goto out;
 	}
 	local_irq_disable();
-	disable_8259A_irq(0);
+	legacy_pic->chip->mask(0);
 	apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | cfg->vector);
 	apic_printk(APIC_QUIET, KERN_INFO "..... failed.\n");
 
 	apic_printk(APIC_QUIET, KERN_INFO
 		    "...trying to set up timer as ExtINT IRQ...\n");
 
-	init_8259A(0);
-	make_8259A_irq(0);
+	legacy_pic->init(0);
+	legacy_pic->make_irq(0);
 	apic_write(APIC_LVT0, APIC_DM_EXTINT);
 
 	unlock_ExtINT_logic();
@@ -3078,7 +3133,7 @@ void __init setup_IO_APIC(void)
 	/*
 	 * calling enable_IO_APIC() is moved to setup_local_APIC for BP
 	 */
-	io_apic_irqs = nr_legacy_irqs ? ~PIC_IRQS : ~0UL;
+	io_apic_irqs = legacy_pic->nr_legacy_irqs ? ~PIC_IRQS : ~0UL;
 
 	apic_printk(APIC_VERBOSE, "ENABLING IO-APIC IRQs\n");
 	/*
@@ -3089,7 +3144,7 @@ void __init setup_IO_APIC(void)
 	sync_Arb_IDs();
 	setup_IO_APIC_irqs();
 	init_IO_APIC_traps();
-	if (nr_legacy_irqs)
+	if (legacy_pic->nr_legacy_irqs)
 		check_timer();
 }
 
@@ -3138,13 +3193,13 @@ static int ioapic_resume(struct sys_device *dev)
 	data = container_of(dev, struct sysfs_ioapic_data, dev);
 	entry = data->entry;
 
-	spin_lock_irqsave(&ioapic_lock, flags);
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
 	reg_00.raw = io_apic_read(dev->id, 0);
 	if (reg_00.bits.ID != mp_ioapics[dev->id].apicid) {
 		reg_00.bits.ID = mp_ioapics[dev->id].apicid;
 		io_apic_write(dev->id, 0, reg_00.raw);
 	}
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 	for (i = 0; i < nr_ioapic_registers[dev->id]; i++)
 		ioapic_write_entry(dev->id, i, entry[i]);
 
@@ -3207,7 +3262,7 @@ unsigned int create_irq_nr(unsigned int irq_want, int node)
 	if (irq_want < nr_irqs_gsi)
 		irq_want = nr_irqs_gsi;
 
-	spin_lock_irqsave(&vector_lock, flags);
+	raw_spin_lock_irqsave(&vector_lock, flags);
 	for (new = irq_want; new < nr_irqs; new++) {
 		desc_new = irq_to_desc_alloc_node(new, node);
 		if (!desc_new) {
@@ -3226,14 +3281,11 @@ unsigned int create_irq_nr(unsigned int irq_want, int node)
 			irq = new;
 		break;
 	}
-	spin_unlock_irqrestore(&vector_lock, flags);
+	raw_spin_unlock_irqrestore(&vector_lock, flags);
+
+	if (irq > 0)
+		dynamic_irq_init_keep_chip_data(irq);
 
-	if (irq > 0) {
-		dynamic_irq_init(irq);
-		/* restore it, in case dynamic_irq_init clear it */
-		if (desc_new)
-			desc_new->chip_data = cfg_new;
-	}
 	return irq;
 }
 
@@ -3255,20 +3307,13 @@ int create_irq(void)
 void destroy_irq(unsigned int irq)
 {
 	unsigned long flags;
-	struct irq_cfg *cfg;
-	struct irq_desc *desc;
 
-	/* store it, in case dynamic_irq_cleanup clear it */
-	desc = irq_to_desc(irq);
-	cfg = desc->chip_data;
-	dynamic_irq_cleanup(irq);
-	/* connect back irq_cfg */
-	desc->chip_data = cfg;
+	dynamic_irq_cleanup_keep_chip_data(irq);
 
 	free_irte(irq);
-	spin_lock_irqsave(&vector_lock, flags);
-	__clear_irq_vector(irq, cfg);
-	spin_unlock_irqrestore(&vector_lock, flags);
+	raw_spin_lock_irqsave(&vector_lock, flags);
+	__clear_irq_vector(irq, get_irq_chip_data(irq));
+	raw_spin_unlock_irqrestore(&vector_lock, flags);
 }
 
 /*
@@ -3805,9 +3850,9 @@ int __init io_apic_get_redir_entries (int ioapic)
 	union IO_APIC_reg_01	reg_01;
 	unsigned long flags;
 
-	spin_lock_irqsave(&ioapic_lock, flags);
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
 	reg_01.raw = io_apic_read(ioapic, 1);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 
 	return reg_01.bits.entries;
 }
@@ -3890,7 +3935,7 @@ static int __io_apic_set_pci_routing(struct device *dev, int irq,
 	/*
 	 * IRQs < 16 are already in the irq_2_pin[] map
 	 */
-	if (irq >= nr_legacy_irqs) {
+	if (irq >= legacy_pic->nr_legacy_irqs) {
 		cfg = desc->chip_data;
 		if (add_pin_to_irq_node_nopanic(cfg, node, ioapic, pin)) {
 			printk(KERN_INFO "can not add pin %d for irq %d\n",
@@ -3969,9 +4014,9 @@ int __init io_apic_get_unique_id(int ioapic, int apic_id)
 	if (physids_empty(apic_id_map))
 		apic->ioapic_phys_id_map(&phys_cpu_present_map, &apic_id_map);
 
-	spin_lock_irqsave(&ioapic_lock, flags);
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
 	reg_00.raw = io_apic_read(ioapic, 0);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 
 	if (apic_id >= get_physical_broadcast()) {
 		printk(KERN_WARNING "IOAPIC[%d]: Invalid apic_id %d, trying "
@@ -4005,10 +4050,10 @@ int __init io_apic_get_unique_id(int ioapic, int apic_id)
 	if (reg_00.bits.ID != apic_id) {
 		reg_00.bits.ID = apic_id;
 
-		spin_lock_irqsave(&ioapic_lock, flags);
+		raw_spin_lock_irqsave(&ioapic_lock, flags);
 		io_apic_write(ioapic, 0, reg_00.raw);
 		reg_00.raw = io_apic_read(ioapic, 0);
-		spin_unlock_irqrestore(&ioapic_lock, flags);
+		raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 
 		/* Sanity check */
 		if (reg_00.bits.ID != apic_id) {
@@ -4029,9 +4074,9 @@ int __init io_apic_get_version(int ioapic)
 	union IO_APIC_reg_01	reg_01;
 	unsigned long flags;
 
-	spin_lock_irqsave(&ioapic_lock, flags);
+	raw_spin_lock_irqsave(&ioapic_lock, flags);
 	reg_01.raw = io_apic_read(ioapic, 1);
-	spin_unlock_irqrestore(&ioapic_lock, flags);
+	raw_spin_unlock_irqrestore(&ioapic_lock, flags);
 
 	return reg_01.bits.version;
 }
@@ -4063,27 +4108,23 @@ int acpi_get_override_irq(int bus_irq, int *trigger, int *polarity)
 #ifdef CONFIG_SMP
 void __init setup_ioapic_dest(void)
 {
-	int pin, ioapic = 0, irq, irq_entry;
+	int pin, ioapic, irq, irq_entry;
 	struct irq_desc *desc;
 	const struct cpumask *mask;
 
 	if (skip_ioapic_setup == 1)
 		return;
 
-#ifdef CONFIG_ACPI
-	if (!acpi_disabled && acpi_ioapic) {
-		ioapic = mp_find_ioapic(0);
-		if (ioapic < 0)
-			ioapic = 0;
-	}
-#endif
-
+	for (ioapic = 0; ioapic < nr_ioapics; ioapic++)
 	for (pin = 0; pin < nr_ioapic_registers[ioapic]; pin++) {
 		irq_entry = find_irq_entry(ioapic, pin, mp_INT);
 		if (irq_entry == -1)
 			continue;
 		irq = pin_2_irq(irq_entry, ioapic, pin);
 
+		if ((ioapic > 0) && (irq > 16))
+			continue;
+
 		desc = irq_to_desc(irq);
 
 		/*
@@ -4268,3 +4309,24 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
 
 	nr_ioapics++;
 }
+
+/* Enable IOAPIC early just for system timer */
+void __init pre_init_apic_IRQ0(void)
+{
+	struct irq_cfg *cfg;
+	struct irq_desc *desc;
+
+	printk(KERN_INFO "Early APIC setup for system timer0\n");
+#ifndef CONFIG_SMP
+	phys_cpu_present_map = physid_mask_of_physid(boot_cpu_physical_apicid);
+#endif
+	desc = irq_to_desc_alloc_node(0, 0);
+
+	setup_local_APIC();
+
+	cfg = irq_cfg(0);
+	add_pin_to_irq_node(cfg, 0, 0, 0);
+	set_irq_chip_and_handler_name(0, &ioapic_chip, handle_edge_irq, "edge");
+
+	setup_IO_APIC_irq(0, 0, 0, desc, 0, 0);
+}
diff --git a/arch/x86/kernel/apic/nmi.c b/arch/x86/kernel/apic/nmi.c
index 0159a69396cb..8aa65adbd25d 100644
--- a/arch/x86/kernel/apic/nmi.c
+++ b/arch/x86/kernel/apic/nmi.c
@@ -177,7 +177,7 @@ int __init check_nmi_watchdog(void)
 error:
 	if (nmi_watchdog == NMI_IO_APIC) {
 		if (!timer_through_8259)
-			disable_8259A_irq(0);
+			legacy_pic->chip->mask(0);
 		on_each_cpu(__acpi_nmi_disable, NULL, 1);
 	}
 
@@ -416,13 +416,13 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
 
 	/* We can be called before check_nmi_watchdog, hence NULL check. */
 	if (cpumask_test_cpu(cpu, to_cpumask(backtrace_mask))) {
-		static DEFINE_SPINLOCK(lock);	/* Serialise the printks */
+		static DEFINE_RAW_SPINLOCK(lock); /* Serialise the printks */
 
-		spin_lock(&lock);
+		raw_spin_lock(&lock);
 		printk(KERN_WARNING "NMI backtrace for cpu %d\n", cpu);
 		show_regs(regs);
 		dump_stack();
-		spin_unlock(&lock);
+		raw_spin_unlock(&lock);
 		cpumask_clear_cpu(cpu, to_cpumask(backtrace_mask));
 
 		rc = 1;
@@ -438,8 +438,8 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
 		 * Ayiee, looks like this CPU is stuck ...
 		 * wait a few IRQs (5 seconds) before doing the oops ...
 		 */
-		__this_cpu_inc(per_cpu_var(alert_counter));
-		if (__this_cpu_read(per_cpu_var(alert_counter)) == 5 * nmi_hz)
+		__this_cpu_inc(alert_counter);
+		if (__this_cpu_read(alert_counter) == 5 * nmi_hz)
 			/*
 			 * die_nmi will return ONLY if NOTIFY_STOP happens..
 			 */
@@ -447,7 +447,7 @@ nmi_watchdog_tick(struct pt_regs *regs, unsigned reason)
 				regs, panic_on_timeout);
 	} else {
 		__get_cpu_var(last_irq_sum) = sum;
-		__this_cpu_write(per_cpu_var(alert_counter), 0);
+		__this_cpu_write(alert_counter, 0);
 	}
 
 	/* see if the nmi watchdog went off */
diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c
index 47dd856708e5..3e28401f161c 100644
--- a/arch/x86/kernel/apic/numaq_32.c
+++ b/arch/x86/kernel/apic/numaq_32.c
@@ -277,6 +277,7 @@ static __init void early_check_numaq(void)
 		x86_init.mpparse.mpc_oem_pci_bus = mpc_oem_pci_bus;
 		x86_init.mpparse.mpc_oem_bus_info = mpc_oem_bus_info;
 		x86_init.timers.tsc_pre_init = numaq_tsc_init;
+		x86_init.pci.init = pci_numaq_init;
 	}
 }
 
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 3740c8a4eae7..49dbeaef2a27 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -120,11 +120,9 @@ EXPORT_SYMBOL_GPL(uv_possible_blades);
 unsigned long sn_rtc_cycles_per_second;
 EXPORT_SYMBOL(sn_rtc_cycles_per_second);
 
-/* Start with all IRQs pointing to boot CPU.  IRQ balancing will shift them. */
-
 static const struct cpumask *uv_target_cpus(void)
 {
-	return cpumask_of(0);
+	return cpu_online_mask;
 }
 
 static void uv_vector_allocation_domain(int cpu, struct cpumask *retmask)
diff --git a/arch/x86/kernel/cpu/cpufreq/Kconfig b/arch/x86/kernel/cpu/cpufreq/Kconfig
index f138c6c389b9..870e6cc6ad28 100644
--- a/arch/x86/kernel/cpu/cpufreq/Kconfig
+++ b/arch/x86/kernel/cpu/cpufreq/Kconfig
@@ -10,6 +10,20 @@ if CPU_FREQ
 
 comment "CPUFreq processor drivers"
 
+config X86_PCC_CPUFREQ
+	tristate "Processor Clocking Control interface driver"
+	depends on ACPI && ACPI_PROCESSOR
+	help
+	  This driver adds support for the PCC interface.
+
+	  For details, take a look at:
+	  <file:Documentation/cpu-freq/pcc-cpufreq.txt>.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called pcc-cpufreq.
+
+	  If in doubt, say N.
+
 config X86_ACPI_CPUFREQ
 	tristate "ACPI Processor P-States driver"
 	select CPU_FREQ_TABLE
diff --git a/arch/x86/kernel/cpu/cpufreq/Makefile b/arch/x86/kernel/cpu/cpufreq/Makefile
index 509296df294d..1840c0a5170b 100644
--- a/arch/x86/kernel/cpu/cpufreq/Makefile
+++ b/arch/x86/kernel/cpu/cpufreq/Makefile
@@ -4,6 +4,7 @@
 
 obj-$(CONFIG_X86_POWERNOW_K8)		+= powernow-k8.o
 obj-$(CONFIG_X86_ACPI_CPUFREQ)		+= acpi-cpufreq.o
+obj-$(CONFIG_X86_PCC_CPUFREQ)		+= pcc-cpufreq.o
 obj-$(CONFIG_X86_POWERNOW_K6)		+= powernow-k6.o
 obj-$(CONFIG_X86_POWERNOW_K7)		+= powernow-k7.o
 obj-$(CONFIG_X86_LONGHAUL)		+= longhaul.o
diff --git a/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
new file mode 100644
index 000000000000..ff36d2979a90
--- /dev/null
+++ b/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
@@ -0,0 +1,620 @@
+/*
+ *  pcc-cpufreq.c - Processor Clocking Control firmware cpufreq interface
+ *
+ *  Copyright (C) 2009 Red Hat, Matthew Garrett <mjg@redhat.com>
+ *  Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
+ *	Nagananda Chumbalkar <nagananda.chumbalkar@hp.com>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or NON
+ *  INFRINGEMENT. See the GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/smp.h>
+#include <linux/sched.h>
+#include <linux/cpufreq.h>
+#include <linux/compiler.h>
+
+#include <linux/acpi.h>
+#include <linux/io.h>
+#include <linux/spinlock.h>
+#include <linux/uaccess.h>
+
+#include <acpi/processor.h>
+
+#define PCC_VERSION 	"1.00.00"
+#define POLL_LOOPS 	300
+
+#define CMD_COMPLETE 	0x1
+#define CMD_GET_FREQ 	0x0
+#define CMD_SET_FREQ 	0x1
+
+#define BUF_SZ		4
+
+#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER,	\
+					     "pcc-cpufreq", msg)
+
+struct pcc_register_resource {
+	u8 descriptor;
+	u16 length;
+	u8 space_id;
+	u8 bit_width;
+	u8 bit_offset;
+	u8 access_size;
+	u64 address;
+} __attribute__ ((packed));
+
+struct pcc_memory_resource {
+	u8 descriptor;
+	u16 length;
+	u8 space_id;
+	u8 resource_usage;
+	u8 type_specific;
+	u64 granularity;
+	u64 minimum;
+	u64 maximum;
+	u64 translation_offset;
+	u64 address_length;
+} __attribute__ ((packed));
+
+static struct cpufreq_driver pcc_cpufreq_driver;
+
+struct pcc_header {
+	u32 signature;
+	u16 length;
+	u8 major;
+	u8 minor;
+	u32 features;
+	u16 command;
+	u16 status;
+	u32 latency;
+	u32 minimum_time;
+	u32 maximum_time;
+	u32 nominal;
+	u32 throttled_frequency;
+	u32 minimum_frequency;
+};
+
+static void __iomem *pcch_virt_addr;
+static struct pcc_header __iomem *pcch_hdr;
+
+static DEFINE_SPINLOCK(pcc_lock);
+
+static struct acpi_generic_address doorbell;
+
+static u64 doorbell_preserve;
+static u64 doorbell_write;
+
+static u8 OSC_UUID[16] = {0x63, 0x9B, 0x2C, 0x9F, 0x70, 0x91, 0x49, 0x1f,
+			  0xBB, 0x4F, 0xA5, 0x98, 0x2F, 0xA1, 0xB5, 0x46};
+
+struct pcc_cpu {
+	u32 input_offset;
+	u32 output_offset;
+};
+
+static struct pcc_cpu *pcc_cpu_info;
+
+static int pcc_cpufreq_verify(struct cpufreq_policy *policy)
+{
+	cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
+				     policy->cpuinfo.max_freq);
+	return 0;
+}
+
+static inline void pcc_cmd(void)
+{
+	u64 doorbell_value;
+	int i;
+
+	acpi_read(&doorbell_value, &doorbell);
+	acpi_write((doorbell_value & doorbell_preserve) | doorbell_write,
+		   &doorbell);
+
+	for (i = 0; i < POLL_LOOPS; i++) {
+		if (ioread16(&pcch_hdr->status) & CMD_COMPLETE)
+			break;
+	}
+}
+
+static inline void pcc_clear_mapping(void)
+{
+	if (pcch_virt_addr)
+		iounmap(pcch_virt_addr);
+	pcch_virt_addr = NULL;
+}
+
+static unsigned int pcc_get_freq(unsigned int cpu)
+{
+	struct pcc_cpu *pcc_cpu_data;
+	unsigned int curr_freq;
+	unsigned int freq_limit;
+	u16 status;
+	u32 input_buffer;
+	u32 output_buffer;
+
+	spin_lock(&pcc_lock);
+
+	dprintk("get: get_freq for CPU %d\n", cpu);
+	pcc_cpu_data = per_cpu_ptr(pcc_cpu_info, cpu);
+
+	input_buffer = 0x1;
+	iowrite32(input_buffer,
+			(pcch_virt_addr + pcc_cpu_data->input_offset));
+	iowrite16(CMD_GET_FREQ, &pcch_hdr->command);
+
+	pcc_cmd();
+
+	output_buffer =
+		ioread32(pcch_virt_addr + pcc_cpu_data->output_offset);
+
+	/* Clear the input buffer - we are done with the current command */
+	memset_io((pcch_virt_addr + pcc_cpu_data->input_offset), 0, BUF_SZ);
+
+	status = ioread16(&pcch_hdr->status);
+	if (status != CMD_COMPLETE) {
+		dprintk("get: FAILED: for CPU %d, status is %d\n",
+			cpu, status);
+		goto cmd_incomplete;
+	}
+	iowrite16(0, &pcch_hdr->status);
+	curr_freq = (((ioread32(&pcch_hdr->nominal) * (output_buffer & 0xff))
+			/ 100) * 1000);
+
+	dprintk("get: SUCCESS: (virtual) output_offset for cpu %d is "
+		"0x%x, contains a value of: 0x%x. Speed is: %d MHz\n",
+		cpu, (pcch_virt_addr + pcc_cpu_data->output_offset),
+		output_buffer, curr_freq);
+
+	freq_limit = (output_buffer >> 8) & 0xff;
+	if (freq_limit != 0xff) {
+		dprintk("get: frequency for cpu %d is being temporarily"
+			" capped at %d\n", cpu, curr_freq);
+	}
+
+	spin_unlock(&pcc_lock);
+	return curr_freq;
+
+cmd_incomplete:
+	iowrite16(0, &pcch_hdr->status);
+	spin_unlock(&pcc_lock);
+	return -EINVAL;
+}
+
+static int pcc_cpufreq_target(struct cpufreq_policy *policy,
+			      unsigned int target_freq,
+			      unsigned int relation)
+{
+	struct pcc_cpu *pcc_cpu_data;
+	struct cpufreq_freqs freqs;
+	u16 status;
+	u32 input_buffer;
+	int cpu;
+
+	spin_lock(&pcc_lock);
+	cpu = policy->cpu;
+	pcc_cpu_data = per_cpu_ptr(pcc_cpu_info, cpu);
+
+	dprintk("target: CPU %d should go to target freq: %d "
+		"(virtual) input_offset is 0x%x\n",
+		cpu, target_freq,
+		(pcch_virt_addr + pcc_cpu_data->input_offset));
+
+	freqs.new = target_freq;
+	freqs.cpu = cpu;
+	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+
+	input_buffer = 0x1 | (((target_freq * 100)
+			       / (ioread32(&pcch_hdr->nominal) * 1000)) << 8);
+	iowrite32(input_buffer,
+			(pcch_virt_addr + pcc_cpu_data->input_offset));
+	iowrite16(CMD_SET_FREQ, &pcch_hdr->command);
+
+	pcc_cmd();
+
+	/* Clear the input buffer - we are done with the current command */
+	memset_io((pcch_virt_addr + pcc_cpu_data->input_offset), 0, BUF_SZ);
+
+	status = ioread16(&pcch_hdr->status);
+	if (status != CMD_COMPLETE) {
+		dprintk("target: FAILED for cpu %d, with status: 0x%x\n",
+			cpu, status);
+		goto cmd_incomplete;
+	}
+	iowrite16(0, &pcch_hdr->status);
+
+	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+	dprintk("target: was SUCCESSFUL for cpu %d\n", cpu);
+	spin_unlock(&pcc_lock);
+
+	return 0;
+
+cmd_incomplete:
+	iowrite16(0, &pcch_hdr->status);
+	spin_unlock(&pcc_lock);
+	return -EINVAL;
+}
+
+static int pcc_get_offset(int cpu)
+{
+	acpi_status status;
+	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
+	union acpi_object *pccp, *offset;
+	struct pcc_cpu *pcc_cpu_data;
+	struct acpi_processor *pr;
+	int ret = 0;
+
+	pr = per_cpu(processors, cpu);
+	pcc_cpu_data = per_cpu_ptr(pcc_cpu_info, cpu);
+
+	status = acpi_evaluate_object(pr->handle, "PCCP", NULL, &buffer);
+	if (ACPI_FAILURE(status))
+		return -ENODEV;
+
+	pccp = buffer.pointer;
+	if (!pccp || pccp->type != ACPI_TYPE_PACKAGE) {
+		ret = -ENODEV;
+		goto out_free;
+	};
+
+	offset = &(pccp->package.elements[0]);
+	if (!offset || offset->type != ACPI_TYPE_INTEGER) {
+		ret = -ENODEV;
+		goto out_free;
+	}
+
+	pcc_cpu_data->input_offset = offset->integer.value;
+
+	offset = &(pccp->package.elements[1]);
+	if (!offset || offset->type != ACPI_TYPE_INTEGER) {
+		ret = -ENODEV;
+		goto out_free;
+	}
+
+	pcc_cpu_data->output_offset = offset->integer.value;
+
+	memset_io((pcch_virt_addr + pcc_cpu_data->input_offset), 0, BUF_SZ);
+	memset_io((pcch_virt_addr + pcc_cpu_data->output_offset), 0, BUF_SZ);
+
+	dprintk("pcc_get_offset: for CPU %d: pcc_cpu_data "
+		"input_offset: 0x%x, pcc_cpu_data output_offset: 0x%x\n",
+		cpu, pcc_cpu_data->input_offset, pcc_cpu_data->output_offset);
+out_free:
+	kfree(buffer.pointer);
+	return ret;
+}
+
+static int __init pcc_cpufreq_do_osc(acpi_handle *handle)
+{
+	acpi_status status;
+	struct acpi_object_list input;
+	struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL};
+	union acpi_object in_params[4];
+	union acpi_object *out_obj;
+	u32 capabilities[2];
+	u32 errors;
+	u32 supported;
+	int ret = 0;
+
+	input.count = 4;
+	input.pointer = in_params;
+	input.count = 4;
+	input.pointer = in_params;
+	in_params[0].type               = ACPI_TYPE_BUFFER;
+	in_params[0].buffer.length      = 16;
+	in_params[0].buffer.pointer     = OSC_UUID;
+	in_params[1].type               = ACPI_TYPE_INTEGER;
+	in_params[1].integer.value      = 1;
+	in_params[2].type               = ACPI_TYPE_INTEGER;
+	in_params[2].integer.value      = 2;
+	in_params[3].type               = ACPI_TYPE_BUFFER;
+	in_params[3].buffer.length      = 8;
+	in_params[3].buffer.pointer     = (u8 *)&capabilities;
+
+	capabilities[0] = OSC_QUERY_ENABLE;
+	capabilities[1] = 0x1;
+
+	status = acpi_evaluate_object(*handle, "_OSC", &input, &output);
+	if (ACPI_FAILURE(status))
+		return -ENODEV;
+
+	if (!output.length)
+		return -ENODEV;
+
+	out_obj = output.pointer;
+	if (out_obj->type != ACPI_TYPE_BUFFER) {
+		ret = -ENODEV;
+		goto out_free;
+	}
+
+	errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0);
+	if (errors) {
+		ret = -ENODEV;
+		goto out_free;
+	}
+
+	supported = *((u32 *)(out_obj->buffer.pointer + 4));
+	if (!(supported & 0x1)) {
+		ret = -ENODEV;
+		goto out_free;
+	}
+
+	kfree(output.pointer);
+	capabilities[0] = 0x0;
+	capabilities[1] = 0x1;
+
+	status = acpi_evaluate_object(*handle, "_OSC", &input, &output);
+	if (ACPI_FAILURE(status))
+		return -ENODEV;
+
+	if (!output.length)
+		return -ENODEV;
+
+	out_obj = output.pointer;
+	if (out_obj->type != ACPI_TYPE_BUFFER) {
+		ret = -ENODEV;
+		goto out_free;
+	}
+
+	errors = *((u32 *)out_obj->buffer.pointer) & ~(1 << 0);
+	if (errors) {
+		ret = -ENODEV;
+		goto out_free;
+	}
+
+	supported = *((u32 *)(out_obj->buffer.pointer + 4));
+	if (!(supported & 0x1)) {
+		ret = -ENODEV;
+		goto out_free;
+	}
+
+out_free:
+	kfree(output.pointer);
+	return ret;
+}
+
+static int __init pcc_cpufreq_probe(void)
+{
+	acpi_status status;
+	struct acpi_buffer output = {ACPI_ALLOCATE_BUFFER, NULL};
+	struct pcc_memory_resource *mem_resource;
+	struct pcc_register_resource *reg_resource;
+	union acpi_object *out_obj, *member;
+	acpi_handle handle, osc_handle;
+	int ret = 0;
+
+	status = acpi_get_handle(NULL, "\\_SB", &handle);
+	if (ACPI_FAILURE(status))
+		return -ENODEV;
+
+	status = acpi_get_handle(handle, "_OSC", &osc_handle);
+	if (ACPI_SUCCESS(status)) {
+		ret = pcc_cpufreq_do_osc(&osc_handle);
+		if (ret)
+			dprintk("probe: _OSC evaluation did not succeed\n");
+		/* Firmware's use of _OSC is optional */
+		ret = 0;
+	}
+
+	status = acpi_evaluate_object(handle, "PCCH", NULL, &output);
+	if (ACPI_FAILURE(status))
+		return -ENODEV;
+
+	out_obj = output.pointer;
+	if (out_obj->type != ACPI_TYPE_PACKAGE) {
+		ret = -ENODEV;
+		goto out_free;
+	}
+
+	member = &out_obj->package.elements[0];
+	if (member->type != ACPI_TYPE_BUFFER) {
+		ret = -ENODEV;
+		goto out_free;
+	}
+
+	mem_resource = (struct pcc_memory_resource *)member->buffer.pointer;
+
+	dprintk("probe: mem_resource descriptor: 0x%x,"
+		" length: %d, space_id: %d, resource_usage: %d,"
+		" type_specific: %d, granularity: 0x%llx,"
+		" minimum: 0x%llx, maximum: 0x%llx,"
+		" translation_offset: 0x%llx, address_length: 0x%llx\n",
+		mem_resource->descriptor, mem_resource->length,
+		mem_resource->space_id, mem_resource->resource_usage,
+		mem_resource->type_specific, mem_resource->granularity,
+		mem_resource->minimum, mem_resource->maximum,
+		mem_resource->translation_offset,
+		mem_resource->address_length);
+
+	if (mem_resource->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY) {
+		ret = -ENODEV;
+		goto out_free;
+	}
+
+	pcch_virt_addr = ioremap_nocache(mem_resource->minimum,
+					mem_resource->address_length);
+	if (pcch_virt_addr == NULL) {
+		dprintk("probe: could not map shared mem region\n");
+		goto out_free;
+	}
+	pcch_hdr = pcch_virt_addr;
+
+	dprintk("probe: PCCH header (virtual) addr: 0x%p\n", pcch_hdr);
+	dprintk("probe: PCCH header is at physical address: 0x%llx,"
+		" signature: 0x%x, length: %d bytes, major: %d, minor: %d,"
+		" supported features: 0x%x, command field: 0x%x,"
+		" status field: 0x%x, nominal latency: %d us\n",
+		mem_resource->minimum, ioread32(&pcch_hdr->signature),
+		ioread16(&pcch_hdr->length), ioread8(&pcch_hdr->major),
+		ioread8(&pcch_hdr->minor), ioread32(&pcch_hdr->features),
+		ioread16(&pcch_hdr->command), ioread16(&pcch_hdr->status),
+		ioread32(&pcch_hdr->latency));
+
+	dprintk("probe: min time between commands: %d us,"
+		" max time between commands: %d us,"
+		" nominal CPU frequency: %d MHz,"
+		" minimum CPU frequency: %d MHz,"
+		" minimum CPU frequency without throttling: %d MHz\n",
+		ioread32(&pcch_hdr->minimum_time),
+		ioread32(&pcch_hdr->maximum_time),
+		ioread32(&pcch_hdr->nominal),
+		ioread32(&pcch_hdr->throttled_frequency),
+		ioread32(&pcch_hdr->minimum_frequency));
+
+	member = &out_obj->package.elements[1];
+	if (member->type != ACPI_TYPE_BUFFER) {
+		ret = -ENODEV;
+		goto pcch_free;
+	}
+
+	reg_resource = (struct pcc_register_resource *)member->buffer.pointer;
+
+	doorbell.space_id = reg_resource->space_id;
+	doorbell.bit_width = reg_resource->bit_width;
+	doorbell.bit_offset = reg_resource->bit_offset;
+	doorbell.access_width = 64;
+	doorbell.address = reg_resource->address;
+
+	dprintk("probe: doorbell: space_id is %d, bit_width is %d, "
+		"bit_offset is %d, access_width is %d, address is 0x%llx\n",
+		doorbell.space_id, doorbell.bit_width, doorbell.bit_offset,
+		doorbell.access_width, reg_resource->address);
+
+	member = &out_obj->package.elements[2];
+	if (member->type != ACPI_TYPE_INTEGER) {
+		ret = -ENODEV;
+		goto pcch_free;
+	}
+
+	doorbell_preserve = member->integer.value;
+
+	member = &out_obj->package.elements[3];
+	if (member->type != ACPI_TYPE_INTEGER) {
+		ret = -ENODEV;
+		goto pcch_free;
+	}
+
+	doorbell_write = member->integer.value;
+
+	dprintk("probe: doorbell_preserve: 0x%llx,"
+		" doorbell_write: 0x%llx\n",
+		doorbell_preserve, doorbell_write);
+
+	pcc_cpu_info = alloc_percpu(struct pcc_cpu);
+	if (!pcc_cpu_info) {
+		ret = -ENOMEM;
+		goto pcch_free;
+	}
+
+	printk(KERN_DEBUG "pcc-cpufreq: (v%s) driver loaded with frequency"
+	       " limits: %d MHz, %d MHz\n", PCC_VERSION,
+	       ioread32(&pcch_hdr->minimum_frequency),
+	       ioread32(&pcch_hdr->nominal));
+	kfree(output.pointer);
+	return ret;
+pcch_free:
+	pcc_clear_mapping();
+out_free:
+	kfree(output.pointer);
+	return ret;
+}
+
+static int pcc_cpufreq_cpu_init(struct cpufreq_policy *policy)
+{
+	unsigned int cpu = policy->cpu;
+	unsigned int result = 0;
+
+	if (!pcch_virt_addr) {
+		result = -1;
+		goto pcch_null;
+	}
+
+	result = pcc_get_offset(cpu);
+	if (result) {
+		dprintk("init: PCCP evaluation failed\n");
+		goto free;
+	}
+
+	policy->max = policy->cpuinfo.max_freq =
+		ioread32(&pcch_hdr->nominal) * 1000;
+	policy->min = policy->cpuinfo.min_freq =
+		ioread32(&pcch_hdr->minimum_frequency) * 1000;
+	policy->cur = pcc_get_freq(cpu);
+
+	dprintk("init: policy->max is %d, policy->min is %d\n",
+		policy->max, policy->min);
+
+	return 0;
+free:
+	pcc_clear_mapping();
+	free_percpu(pcc_cpu_info);
+pcch_null:
+	return result;
+}
+
+static int pcc_cpufreq_cpu_exit(struct cpufreq_policy *policy)
+{
+	return 0;
+}
+
+static struct cpufreq_driver pcc_cpufreq_driver = {
+	.flags = CPUFREQ_CONST_LOOPS,
+	.get = pcc_get_freq,
+	.verify = pcc_cpufreq_verify,
+	.target = pcc_cpufreq_target,
+	.init = pcc_cpufreq_cpu_init,
+	.exit = pcc_cpufreq_cpu_exit,
+	.name = "pcc-cpufreq",
+	.owner = THIS_MODULE,
+};
+
+static int __init pcc_cpufreq_init(void)
+{
+	int ret;
+
+	if (acpi_disabled)
+		return 0;
+
+	ret = pcc_cpufreq_probe();
+	if (ret) {
+		dprintk("pcc_cpufreq_init: PCCH evaluation failed\n");
+		return ret;
+	}
+
+	ret = cpufreq_register_driver(&pcc_cpufreq_driver);
+
+	return ret;
+}
+
+static void __exit pcc_cpufreq_exit(void)
+{
+	cpufreq_unregister_driver(&pcc_cpufreq_driver);
+
+	pcc_clear_mapping();
+
+	free_percpu(pcc_cpu_info);
+}
+
+MODULE_AUTHOR("Matthew Garrett, Naga Chumbalkar");
+MODULE_VERSION(PCC_VERSION);
+MODULE_DESCRIPTION("Processor Clocking Control interface driver");
+MODULE_LICENSE("GPL");
+
+late_initcall(pcc_cpufreq_init);
+module_exit(pcc_cpufreq_exit);
diff --git a/arch/x86/kernel/cpu/intel.c b/arch/x86/kernel/cpu/intel.c
index 879666f4d871..7e1cca13af35 100644
--- a/arch/x86/kernel/cpu/intel.c
+++ b/arch/x86/kernel/cpu/intel.c
@@ -70,7 +70,8 @@ static void __cpuinit early_init_intel(struct cpuinfo_x86 *c)
 	if (c->x86_power & (1 << 8)) {
 		set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
 		set_cpu_cap(c, X86_FEATURE_NONSTOP_TSC);
-		sched_clock_stable = 1;
+		if (!check_tsc_unstable())
+			sched_clock_stable = 1;
 	}
 
 	/*
diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c
index eddb1bdd1b8f..b3eeb66c0a51 100644
--- a/arch/x86/kernel/cpu/intel_cacheinfo.c
+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c
@@ -903,7 +903,7 @@ static ssize_t store(struct kobject *kobj, struct attribute *attr,
 	return ret;
 }
 
-static struct sysfs_ops sysfs_ops = {
+static const struct sysfs_ops sysfs_ops = {
 	.show   = show,
 	.store  = store,
 };
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index a8aacd4b513c..3ab9c886b613 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -46,6 +46,13 @@
 
 #include "mce-internal.h"
 
+static DEFINE_MUTEX(mce_read_mutex);
+
+#define rcu_dereference_check_mce(p) \
+	rcu_dereference_check((p), \
+			      rcu_read_lock_sched_held() || \
+			      lockdep_is_held(&mce_read_mutex))
+
 #define CREATE_TRACE_POINTS
 #include <trace/events/mce.h>
 
@@ -158,7 +165,7 @@ void mce_log(struct mce *mce)
 	mce->finished = 0;
 	wmb();
 	for (;;) {
-		entry = rcu_dereference(mcelog.next);
+		entry = rcu_dereference_check_mce(mcelog.next);
 		for (;;) {
 			/*
 			 * When the buffer fills up discard new entries.
@@ -1485,8 +1492,6 @@ static void collect_tscs(void *data)
 	rdtscll(cpu_tsc[smp_processor_id()]);
 }
 
-static DEFINE_MUTEX(mce_read_mutex);
-
 static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize,
 			loff_t *off)
 {
@@ -1500,7 +1505,7 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize,
 		return -ENOMEM;
 
 	mutex_lock(&mce_read_mutex);
-	next = rcu_dereference(mcelog.next);
+	next = rcu_dereference_check_mce(mcelog.next);
 
 	/* Only supports full reads right now */
 	if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce)) {
@@ -1565,7 +1570,7 @@ timeout:
 static unsigned int mce_poll(struct file *file, poll_table *wait)
 {
 	poll_wait(file, &mce_wait, wait);
-	if (rcu_dereference(mcelog.next))
+	if (rcu_dereference_check_mce(mcelog.next))
 		return POLLIN | POLLRDNORM;
 	return 0;
 }
@@ -2044,6 +2049,7 @@ static __init void mce_init_banks(void)
 		struct mce_bank *b = &mce_banks[i];
 		struct sysdev_attribute *a = &b->attr;
 
+		sysfs_attr_init(&a->attr);
 		a->attr.name	= b->attrname;
 		snprintf(b->attrname, ATTR_LEN, "bank%d", i);
 
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index 83a3d1f4efca..cda932ca3ade 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -388,7 +388,7 @@ static ssize_t store(struct kobject *kobj, struct attribute *attr,
 	return ret;
 }
 
-static struct sysfs_ops threshold_ops = {
+static const struct sysfs_ops threshold_ops = {
 	.show			= show,
 	.store			= store,
 };
diff --git a/arch/x86/kernel/cpu/mcheck/mce_intel.c b/arch/x86/kernel/cpu/mcheck/mce_intel.c
index 7c785634af2b..d15df6e49bf0 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_intel.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_intel.c
@@ -95,7 +95,7 @@ static void cmci_discover(int banks, int boot)
 
 		/* Already owned by someone else? */
 		if (val & CMCI_EN) {
-			if (test_and_clear_bit(i, owned) || boot)
+			if (test_and_clear_bit(i, owned) && !boot)
 				print_update("SHD", &hdr, i);
 			__clear_bit(i, __get_cpu_var(mce_poll_banks));
 			continue;
@@ -107,7 +107,7 @@ static void cmci_discover(int banks, int boot)
 
 		/* Did the enable bit stick? -- the bank supports CMCI */
 		if (val & CMCI_EN) {
-			if (!test_and_set_bit(i, owned) || boot)
+			if (!test_and_set_bit(i, owned) && !boot)
 				print_update("CMCI", &hdr, i);
 			__clear_bit(i, __get_cpu_var(mce_poll_banks));
 		} else {
diff --git a/arch/x86/kernel/cpu/mtrr/cleanup.c b/arch/x86/kernel/cpu/mtrr/cleanup.c
index 09b1698e0466..06130b52f012 100644
--- a/arch/x86/kernel/cpu/mtrr/cleanup.c
+++ b/arch/x86/kernel/cpu/mtrr/cleanup.c
@@ -22,10 +22,10 @@
 #include <linux/pci.h>
 #include <linux/smp.h>
 #include <linux/cpu.h>
-#include <linux/sort.h>
 #include <linux/mutex.h>
 #include <linux/uaccess.h>
 #include <linux/kvm_para.h>
+#include <linux/range.h>
 
 #include <asm/processor.h>
 #include <asm/e820.h>
@@ -34,11 +34,6 @@
 
 #include "mtrr.h"
 
-struct res_range {
-	unsigned long	start;
-	unsigned long	end;
-};
-
 struct var_mtrr_range_state {
 	unsigned long	base_pfn;
 	unsigned long	size_pfn;
@@ -56,7 +51,7 @@ struct var_mtrr_state {
 /* Should be related to MTRR_VAR_RANGES nums */
 #define RANGE_NUM				256
 
-static struct res_range __initdata		range[RANGE_NUM];
+static struct range __initdata		range[RANGE_NUM];
 static int __initdata				nr_range;
 
 static struct var_mtrr_range_state __initdata	range_state[RANGE_NUM];
@@ -64,152 +59,11 @@ static struct var_mtrr_range_state __initdata	range_state[RANGE_NUM];
 static int __initdata debug_print;
 #define Dprintk(x...) do { if (debug_print) printk(KERN_DEBUG x); } while (0)
 
-
-static int __init
-add_range(struct res_range *range, int nr_range,
-	  unsigned long start, unsigned long end)
-{
-	/* Out of slots: */
-	if (nr_range >= RANGE_NUM)
-		return nr_range;
-
-	range[nr_range].start = start;
-	range[nr_range].end = end;
-
-	nr_range++;
-
-	return nr_range;
-}
-
-static int __init
-add_range_with_merge(struct res_range *range, int nr_range,
-		     unsigned long start, unsigned long end)
-{
-	int i;
-
-	/* Try to merge it with old one: */
-	for (i = 0; i < nr_range; i++) {
-		unsigned long final_start, final_end;
-		unsigned long common_start, common_end;
-
-		if (!range[i].end)
-			continue;
-
-		common_start = max(range[i].start, start);
-		common_end = min(range[i].end, end);
-		if (common_start > common_end + 1)
-			continue;
-
-		final_start = min(range[i].start, start);
-		final_end = max(range[i].end, end);
-
-		range[i].start = final_start;
-		range[i].end =  final_end;
-		return nr_range;
-	}
-
-	/* Need to add it: */
-	return add_range(range, nr_range, start, end);
-}
-
-static void __init
-subtract_range(struct res_range *range, unsigned long start, unsigned long end)
-{
-	int i, j;
-
-	for (j = 0; j < RANGE_NUM; j++) {
-		if (!range[j].end)
-			continue;
-
-		if (start <= range[j].start && end >= range[j].end) {
-			range[j].start = 0;
-			range[j].end = 0;
-			continue;
-		}
-
-		if (start <= range[j].start && end < range[j].end &&
-		    range[j].start < end + 1) {
-			range[j].start = end + 1;
-			continue;
-		}
-
-
-		if (start > range[j].start && end >= range[j].end &&
-		    range[j].end > start - 1) {
-			range[j].end = start - 1;
-			continue;
-		}
-
-		if (start > range[j].start && end < range[j].end) {
-			/* Find the new spare: */
-			for (i = 0; i < RANGE_NUM; i++) {
-				if (range[i].end == 0)
-					break;
-			}
-			if (i < RANGE_NUM) {
-				range[i].end = range[j].end;
-				range[i].start = end + 1;
-			} else {
-				printk(KERN_ERR "run of slot in ranges\n");
-			}
-			range[j].end = start - 1;
-			continue;
-		}
-	}
-}
-
-static int __init cmp_range(const void *x1, const void *x2)
-{
-	const struct res_range *r1 = x1;
-	const struct res_range *r2 = x2;
-	long start1, start2;
-
-	start1 = r1->start;
-	start2 = r2->start;
-
-	return start1 - start2;
-}
-
-static int __init clean_sort_range(struct res_range *range, int az)
-{
-	int i, j, k = az - 1, nr_range = 0;
-
-	for (i = 0; i < k; i++) {
-		if (range[i].end)
-			continue;
-		for (j = k; j > i; j--) {
-			if (range[j].end) {
-				k = j;
-				break;
-			}
-		}
-		if (j == i)
-			break;
-		range[i].start = range[k].start;
-		range[i].end   = range[k].end;
-		range[k].start = 0;
-		range[k].end   = 0;
-		k--;
-	}
-	/* count it */
-	for (i = 0; i < az; i++) {
-		if (!range[i].end) {
-			nr_range = i;
-			break;
-		}
-	}
-
-	/* sort them */
-	sort(range, nr_range, sizeof(struct res_range), cmp_range, NULL);
-
-	return nr_range;
-}
-
 #define BIOS_BUG_MSG KERN_WARNING \
 	"WARNING: BIOS bug: VAR MTRR %d contains strange UC entry under 1M, check with your system vendor!\n"
 
 static int __init
-x86_get_mtrr_mem_range(struct res_range *range, int nr_range,
+x86_get_mtrr_mem_range(struct range *range, int nr_range,
 		       unsigned long extra_remove_base,
 		       unsigned long extra_remove_size)
 {
@@ -223,14 +77,14 @@ x86_get_mtrr_mem_range(struct res_range *range, int nr_range,
 			continue;
 		base = range_state[i].base_pfn;
 		size = range_state[i].size_pfn;
-		nr_range = add_range_with_merge(range, nr_range, base,
-						base + size - 1);
+		nr_range = add_range_with_merge(range, RANGE_NUM, nr_range,
+						base, base + size);
 	}
 	if (debug_print) {
 		printk(KERN_DEBUG "After WB checking\n");
 		for (i = 0; i < nr_range; i++)
-			printk(KERN_DEBUG "MTRR MAP PFN: %016lx - %016lx\n",
-				 range[i].start, range[i].end + 1);
+			printk(KERN_DEBUG "MTRR MAP PFN: %016llx - %016llx\n",
+				 range[i].start, range[i].end);
 	}
 
 	/* Take out UC ranges: */
@@ -252,19 +106,19 @@ x86_get_mtrr_mem_range(struct res_range *range, int nr_range,
 			size -= (1<<(20-PAGE_SHIFT)) - base;
 			base = 1<<(20-PAGE_SHIFT);
 		}
-		subtract_range(range, base, base + size - 1);
+		subtract_range(range, RANGE_NUM, base, base + size);
 	}
 	if (extra_remove_size)
-		subtract_range(range, extra_remove_base,
-				 extra_remove_base + extra_remove_size  - 1);
+		subtract_range(range, RANGE_NUM, extra_remove_base,
+				 extra_remove_base + extra_remove_size);
 
 	if  (debug_print) {
 		printk(KERN_DEBUG "After UC checking\n");
 		for (i = 0; i < RANGE_NUM; i++) {
 			if (!range[i].end)
 				continue;
-			printk(KERN_DEBUG "MTRR MAP PFN: %016lx - %016lx\n",
-				 range[i].start, range[i].end + 1);
+			printk(KERN_DEBUG "MTRR MAP PFN: %016llx - %016llx\n",
+				 range[i].start, range[i].end);
 		}
 	}
 
@@ -273,26 +127,22 @@ x86_get_mtrr_mem_range(struct res_range *range, int nr_range,
 	if  (debug_print) {
 		printk(KERN_DEBUG "After sorting\n");
 		for (i = 0; i < nr_range; i++)
-			printk(KERN_DEBUG "MTRR MAP PFN: %016lx - %016lx\n",
-				 range[i].start, range[i].end + 1);
+			printk(KERN_DEBUG "MTRR MAP PFN: %016llx - %016llx\n",
+				 range[i].start, range[i].end);
 	}
 
-	/* clear those is not used */
-	for (i = nr_range; i < RANGE_NUM; i++)
-		memset(&range[i], 0, sizeof(range[i]));
-
 	return nr_range;
 }
 
 #ifdef CONFIG_MTRR_SANITIZER
 
-static unsigned long __init sum_ranges(struct res_range *range, int nr_range)
+static unsigned long __init sum_ranges(struct range *range, int nr_range)
 {
 	unsigned long sum = 0;
 	int i;
 
 	for (i = 0; i < nr_range; i++)
-		sum += range[i].end + 1 - range[i].start;
+		sum += range[i].end - range[i].start;
 
 	return sum;
 }
@@ -621,7 +471,7 @@ static int __init parse_mtrr_spare_reg(char *arg)
 early_param("mtrr_spare_reg_nr", parse_mtrr_spare_reg);
 
 static int __init
-x86_setup_var_mtrrs(struct res_range *range, int nr_range,
+x86_setup_var_mtrrs(struct range *range, int nr_range,
 		    u64 chunk_size, u64 gran_size)
 {
 	struct var_mtrr_state var_state;
@@ -639,7 +489,7 @@ x86_setup_var_mtrrs(struct res_range *range, int nr_range,
 	/* Write the range: */
 	for (i = 0; i < nr_range; i++) {
 		set_var_mtrr_range(&var_state, range[i].start,
-				   range[i].end - range[i].start + 1);
+				   range[i].end - range[i].start);
 	}
 
 	/* Write the last range: */
@@ -742,7 +592,7 @@ mtrr_calc_range_state(u64 chunk_size, u64 gran_size,
 		      unsigned long x_remove_base,
 		      unsigned long x_remove_size, int i)
 {
-	static struct res_range range_new[RANGE_NUM];
+	static struct range range_new[RANGE_NUM];
 	unsigned long range_sums_new;
 	static int nr_range_new;
 	int num_reg;
@@ -869,10 +719,10 @@ int __init mtrr_cleanup(unsigned address_bits)
 	 * [0, 1M) should always be covered by var mtrr with WB
 	 * and fixed mtrrs should take effect before var mtrr for it:
 	 */
-	nr_range = add_range_with_merge(range, nr_range, 0,
-					(1ULL<<(20 - PAGE_SHIFT)) - 1);
+	nr_range = add_range_with_merge(range, RANGE_NUM, nr_range, 0,
+					1ULL<<(20 - PAGE_SHIFT));
 	/* Sort the ranges: */
-	sort(range, nr_range, sizeof(struct res_range), cmp_range, NULL);
+	sort_range(range, nr_range);
 
 	range_sums = sum_ranges(range, nr_range);
 	printk(KERN_INFO "total RAM covered: %ldM\n",
@@ -1089,9 +939,9 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
 	nr_range = 0;
 	if (mtrr_tom2) {
 		range[nr_range].start = (1ULL<<(32 - PAGE_SHIFT));
-		range[nr_range].end = (mtrr_tom2 >> PAGE_SHIFT) - 1;
-		if (highest_pfn < range[nr_range].end + 1)
-			highest_pfn = range[nr_range].end + 1;
+		range[nr_range].end = mtrr_tom2 >> PAGE_SHIFT;
+		if (highest_pfn < range[nr_range].end)
+			highest_pfn = range[nr_range].end;
 		nr_range++;
 	}
 	nr_range = x86_get_mtrr_mem_range(range, nr_range, 0, 0);
@@ -1103,15 +953,15 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
 
 	/* Check the holes: */
 	for (i = 0; i < nr_range - 1; i++) {
-		if (range[i].end + 1 < range[i+1].start)
-			total_trim_size += real_trim_memory(range[i].end + 1,
+		if (range[i].end < range[i+1].start)
+			total_trim_size += real_trim_memory(range[i].end,
 							    range[i+1].start);
 	}
 
 	/* Check the top: */
 	i = nr_range - 1;
-	if (range[i].end + 1 < end_pfn)
-		total_trim_size += real_trim_memory(range[i].end + 1,
+	if (range[i].end < end_pfn)
+		total_trim_size += real_trim_memory(range[i].end,
 							 end_pfn);
 
 	if (total_trim_size) {
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index fe4622e8c837..79556bd9b602 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -145,6 +145,7 @@ struct set_mtrr_data {
 
 /**
  * ipi_handler - Synchronisation handler. Executed by "other" CPUs.
+ * @info: pointer to mtrr configuration data
  *
  * Returns nothing.
  */
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 641ccb9dddbc..60398a0d947c 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -73,10 +73,10 @@ struct debug_store {
 struct event_constraint {
 	union {
 		unsigned long	idxmsk[BITS_TO_LONGS(X86_PMC_IDX_MAX)];
-		u64		idxmsk64[1];
+		u64		idxmsk64;
 	};
-	int	code;
-	int	cmask;
+	u64	code;
+	u64	cmask;
 	int	weight;
 };
 
@@ -103,7 +103,7 @@ struct cpu_hw_events {
 };
 
 #define __EVENT_CONSTRAINT(c, n, m, w) {\
-	{ .idxmsk64[0] = (n) },		\
+	{ .idxmsk64 = (n) },		\
 	.code = (c),			\
 	.cmask = (m),			\
 	.weight = (w),			\
@@ -116,7 +116,7 @@ struct cpu_hw_events {
 	EVENT_CONSTRAINT(c, n, INTEL_ARCH_EVTSEL_MASK)
 
 #define FIXED_EVENT_CONSTRAINT(c, n)	\
-	EVENT_CONSTRAINT(c, n, INTEL_ARCH_FIXED_MASK)
+	EVENT_CONSTRAINT(c, (1ULL << (32+n)), INTEL_ARCH_FIXED_MASK)
 
 #define EVENT_CONSTRAINT_END		\
 	EVENT_CONSTRAINT(0, 0, 0)
@@ -133,8 +133,8 @@ struct x86_pmu {
 	int		(*handle_irq)(struct pt_regs *);
 	void		(*disable_all)(void);
 	void		(*enable_all)(void);
-	void		(*enable)(struct hw_perf_event *, int);
-	void		(*disable)(struct hw_perf_event *, int);
+	void		(*enable)(struct perf_event *);
+	void		(*disable)(struct perf_event *);
 	unsigned	eventsel;
 	unsigned	perfctr;
 	u64		(*event_map)(int);
@@ -157,6 +157,11 @@ struct x86_pmu {
 	void		(*put_event_constraints)(struct cpu_hw_events *cpuc,
 						 struct perf_event *event);
 	struct event_constraint *event_constraints;
+
+	void		(*cpu_prepare)(int cpu);
+	void		(*cpu_starting)(int cpu);
+	void		(*cpu_dying)(int cpu);
+	void		(*cpu_dead)(int cpu);
 };
 
 static struct x86_pmu x86_pmu __read_mostly;
@@ -165,8 +170,7 @@ static DEFINE_PER_CPU(struct cpu_hw_events, cpu_hw_events) = {
 	.enabled = 1,
 };
 
-static int x86_perf_event_set_period(struct perf_event *event,
-			     struct hw_perf_event *hwc, int idx);
+static int x86_perf_event_set_period(struct perf_event *event);
 
 /*
  * Generalized hw caching related hw_event table, filled
@@ -189,11 +193,12 @@ static u64 __read_mostly hw_cache_event_ids
  * Returns the delta events processed.
  */
 static u64
-x86_perf_event_update(struct perf_event *event,
-			struct hw_perf_event *hwc, int idx)
+x86_perf_event_update(struct perf_event *event)
 {
+	struct hw_perf_event *hwc = &event->hw;
 	int shift = 64 - x86_pmu.event_bits;
 	u64 prev_raw_count, new_raw_count;
+	int idx = hwc->idx;
 	s64 delta;
 
 	if (idx == X86_PMC_IDX_FIXED_BTS)
@@ -293,7 +298,7 @@ static inline bool bts_available(void)
 	return x86_pmu.enable_bts != NULL;
 }
 
-static inline void init_debug_store_on_cpu(int cpu)
+static void init_debug_store_on_cpu(int cpu)
 {
 	struct debug_store *ds = per_cpu(cpu_hw_events, cpu).ds;
 
@@ -305,7 +310,7 @@ static inline void init_debug_store_on_cpu(int cpu)
 		     (u32)((u64)(unsigned long)ds >> 32));
 }
 
-static inline void fini_debug_store_on_cpu(int cpu)
+static void fini_debug_store_on_cpu(int cpu)
 {
 	if (!per_cpu(cpu_hw_events, cpu).ds)
 		return;
@@ -503,6 +508,9 @@ static int __hw_perf_event_init(struct perf_event *event)
 	 */
 	if (attr->type == PERF_TYPE_RAW) {
 		hwc->config |= x86_pmu.raw_event(attr->config);
+		if ((hwc->config & ARCH_PERFMON_EVENTSEL_ANY) &&
+		    perf_paranoid_cpu() && !capable(CAP_SYS_ADMIN))
+			return -EACCES;
 		return 0;
 	}
 
@@ -553,9 +561,9 @@ static void x86_pmu_disable_all(void)
 		if (!test_bit(idx, cpuc->active_mask))
 			continue;
 		rdmsrl(x86_pmu.eventsel + idx, val);
-		if (!(val & ARCH_PERFMON_EVENTSEL0_ENABLE))
+		if (!(val & ARCH_PERFMON_EVENTSEL_ENABLE))
 			continue;
-		val &= ~ARCH_PERFMON_EVENTSEL0_ENABLE;
+		val &= ~ARCH_PERFMON_EVENTSEL_ENABLE;
 		wrmsrl(x86_pmu.eventsel + idx, val);
 	}
 }
@@ -590,7 +598,7 @@ static void x86_pmu_enable_all(void)
 			continue;
 
 		val = event->hw.config;
-		val |= ARCH_PERFMON_EVENTSEL0_ENABLE;
+		val |= ARCH_PERFMON_EVENTSEL_ENABLE;
 		wrmsrl(x86_pmu.eventsel + idx, val);
 	}
 }
@@ -612,8 +620,8 @@ static int x86_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign)
 	bitmap_zero(used_mask, X86_PMC_IDX_MAX);
 
 	for (i = 0; i < n; i++) {
-		constraints[i] =
-		  x86_pmu.get_event_constraints(cpuc, cpuc->event_list[i]);
+		c = x86_pmu.get_event_constraints(cpuc, cpuc->event_list[i]);
+		constraints[i] = c;
 	}
 
 	/*
@@ -635,7 +643,7 @@ static int x86_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign)
 		if (test_bit(hwc->idx, used_mask))
 			break;
 
-		set_bit(hwc->idx, used_mask);
+		__set_bit(hwc->idx, used_mask);
 		if (assign)
 			assign[i] = hwc->idx;
 	}
@@ -676,7 +684,7 @@ static int x86_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign)
 			if (c->weight != w)
 				continue;
 
-			for_each_bit(j, c->idxmsk, X86_PMC_IDX_MAX) {
+			for_each_set_bit(j, c->idxmsk, X86_PMC_IDX_MAX) {
 				if (!test_bit(j, used_mask))
 					break;
 			}
@@ -684,7 +692,7 @@ static int x86_schedule_events(struct cpu_hw_events *cpuc, int n, int *assign)
 			if (j == X86_PMC_IDX_MAX)
 				break;
 
-			set_bit(j, used_mask);
+			__set_bit(j, used_mask);
 
 			if (assign)
 				assign[i] = j;
@@ -777,6 +785,7 @@ static inline int match_prev_assignment(struct hw_perf_event *hwc,
 		hwc->last_tag == cpuc->tags[i];
 }
 
+static int x86_pmu_start(struct perf_event *event);
 static void x86_pmu_stop(struct perf_event *event);
 
 void hw_perf_enable(void)
@@ -793,6 +802,7 @@ void hw_perf_enable(void)
 		return;
 
 	if (cpuc->n_added) {
+		int n_running = cpuc->n_events - cpuc->n_added;
 		/*
 		 * apply assignment obtained either from
 		 * hw_perf_group_sched_in() or x86_pmu_enable()
@@ -800,8 +810,7 @@ void hw_perf_enable(void)
 		 * step1: save events moving to new counters
 		 * step2: reprogram moved events into new counters
 		 */
-		for (i = 0; i < cpuc->n_events; i++) {
-
+		for (i = 0; i < n_running; i++) {
 			event = cpuc->event_list[i];
 			hwc = &event->hw;
 
@@ -816,29 +825,18 @@ void hw_perf_enable(void)
 				continue;
 
 			x86_pmu_stop(event);
-
-			hwc->idx = -1;
 		}
 
 		for (i = 0; i < cpuc->n_events; i++) {
-
 			event = cpuc->event_list[i];
 			hwc = &event->hw;
 
-			if (hwc->idx == -1) {
+			if (!match_prev_assignment(hwc, cpuc, i))
 				x86_assign_hw_event(event, cpuc, i);
-				x86_perf_event_set_period(event, hwc, hwc->idx);
-			}
-			/*
-			 * need to mark as active because x86_pmu_disable()
-			 * clear active_mask and events[] yet it preserves
-			 * idx
-			 */
-			set_bit(hwc->idx, cpuc->active_mask);
-			cpuc->events[hwc->idx] = event;
+			else if (i < n_running)
+				continue;
 
-			x86_pmu.enable(hwc, hwc->idx);
-			perf_event_update_userpage(event);
+			x86_pmu_start(event);
 		}
 		cpuc->n_added = 0;
 		perf_events_lapic_init();
@@ -850,15 +848,16 @@ void hw_perf_enable(void)
 	x86_pmu.enable_all();
 }
 
-static inline void __x86_pmu_enable_event(struct hw_perf_event *hwc, int idx)
+static inline void __x86_pmu_enable_event(struct hw_perf_event *hwc)
 {
-	(void)checking_wrmsrl(hwc->config_base + idx,
-			      hwc->config | ARCH_PERFMON_EVENTSEL0_ENABLE);
+	(void)checking_wrmsrl(hwc->config_base + hwc->idx,
+			      hwc->config | ARCH_PERFMON_EVENTSEL_ENABLE);
 }
 
-static inline void x86_pmu_disable_event(struct hw_perf_event *hwc, int idx)
+static inline void x86_pmu_disable_event(struct perf_event *event)
 {
-	(void)checking_wrmsrl(hwc->config_base + idx, hwc->config);
+	struct hw_perf_event *hwc = &event->hw;
+	(void)checking_wrmsrl(hwc->config_base + hwc->idx, hwc->config);
 }
 
 static DEFINE_PER_CPU(u64 [X86_PMC_IDX_MAX], pmc_prev_left);
@@ -868,12 +867,12 @@ static DEFINE_PER_CPU(u64 [X86_PMC_IDX_MAX], pmc_prev_left);
  * To be called with the event disabled in hw:
  */
 static int
-x86_perf_event_set_period(struct perf_event *event,
-			     struct hw_perf_event *hwc, int idx)
+x86_perf_event_set_period(struct perf_event *event)
 {
+	struct hw_perf_event *hwc = &event->hw;
 	s64 left = atomic64_read(&hwc->period_left);
 	s64 period = hwc->sample_period;
-	int err, ret = 0;
+	int err, ret = 0, idx = hwc->idx;
 
 	if (idx == X86_PMC_IDX_FIXED_BTS)
 		return 0;
@@ -919,11 +918,11 @@ x86_perf_event_set_period(struct perf_event *event,
 	return ret;
 }
 
-static void x86_pmu_enable_event(struct hw_perf_event *hwc, int idx)
+static void x86_pmu_enable_event(struct perf_event *event)
 {
 	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
 	if (cpuc->enabled)
-		__x86_pmu_enable_event(hwc, idx);
+		__x86_pmu_enable_event(&event->hw);
 }
 
 /*
@@ -959,34 +958,32 @@ static int x86_pmu_enable(struct perf_event *event)
 	memcpy(cpuc->assign, assign, n*sizeof(int));
 
 	cpuc->n_events = n;
-	cpuc->n_added  = n - n0;
+	cpuc->n_added += n - n0;
 
 	return 0;
 }
 
 static int x86_pmu_start(struct perf_event *event)
 {
-	struct hw_perf_event *hwc = &event->hw;
+	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+	int idx = event->hw.idx;
 
-	if (hwc->idx == -1)
+	if (idx == -1)
 		return -EAGAIN;
 
-	x86_perf_event_set_period(event, hwc, hwc->idx);
-	x86_pmu.enable(hwc, hwc->idx);
+	x86_perf_event_set_period(event);
+	cpuc->events[idx] = event;
+	__set_bit(idx, cpuc->active_mask);
+	x86_pmu.enable(event);
+	perf_event_update_userpage(event);
 
 	return 0;
 }
 
 static void x86_pmu_unthrottle(struct perf_event *event)
 {
-	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
-	struct hw_perf_event *hwc = &event->hw;
-
-	if (WARN_ON_ONCE(hwc->idx >= X86_PMC_IDX_MAX ||
-				cpuc->events[hwc->idx] != event))
-		return;
-
-	x86_pmu.enable(hwc, hwc->idx);
+	int ret = x86_pmu_start(event);
+	WARN_ON_ONCE(ret);
 }
 
 void perf_event_print_debug(void)
@@ -1046,18 +1043,16 @@ static void x86_pmu_stop(struct perf_event *event)
 	struct hw_perf_event *hwc = &event->hw;
 	int idx = hwc->idx;
 
-	/*
-	 * Must be done before we disable, otherwise the nmi handler
-	 * could reenable again:
-	 */
-	clear_bit(idx, cpuc->active_mask);
-	x86_pmu.disable(hwc, idx);
+	if (!__test_and_clear_bit(idx, cpuc->active_mask))
+		return;
+
+	x86_pmu.disable(event);
 
 	/*
 	 * Drain the remaining delta count out of a event
 	 * that we are disabling:
 	 */
-	x86_perf_event_update(event, hwc, idx);
+	x86_perf_event_update(event);
 
 	cpuc->events[idx] = NULL;
 }
@@ -1094,8 +1089,7 @@ static int x86_pmu_handle_irq(struct pt_regs *regs)
 	int idx, handled = 0;
 	u64 val;
 
-	data.addr = 0;
-	data.raw = NULL;
+	perf_sample_data_init(&data, 0);
 
 	cpuc = &__get_cpu_var(cpu_hw_events);
 
@@ -1106,7 +1100,7 @@ static int x86_pmu_handle_irq(struct pt_regs *regs)
 		event = cpuc->events[idx];
 		hwc = &event->hw;
 
-		val = x86_perf_event_update(event, hwc, idx);
+		val = x86_perf_event_update(event);
 		if (val & (1ULL << (x86_pmu.event_bits - 1)))
 			continue;
 
@@ -1116,11 +1110,11 @@ static int x86_pmu_handle_irq(struct pt_regs *regs)
 		handled		= 1;
 		data.period	= event->hw.last_period;
 
-		if (!x86_perf_event_set_period(event, hwc, idx))
+		if (!x86_perf_event_set_period(event))
 			continue;
 
 		if (perf_event_overflow(event, 1, &data, regs))
-			x86_pmu.disable(hwc, idx);
+			x86_pmu_stop(event);
 	}
 
 	if (handled)
@@ -1307,7 +1301,7 @@ int hw_perf_group_sched_in(struct perf_event *leader,
 	memcpy(cpuc->assign, assign, n0*sizeof(int));
 
 	cpuc->n_events  = n0;
-	cpuc->n_added   = n1;
+	cpuc->n_added  += n1;
 	ctx->nr_active += n1;
 
 	/*
@@ -1335,6 +1329,39 @@ undo:
 #include "perf_event_p6.c"
 #include "perf_event_intel.c"
 
+static int __cpuinit
+x86_pmu_notifier(struct notifier_block *self, unsigned long action, void *hcpu)
+{
+	unsigned int cpu = (long)hcpu;
+
+	switch (action & ~CPU_TASKS_FROZEN) {
+	case CPU_UP_PREPARE:
+		if (x86_pmu.cpu_prepare)
+			x86_pmu.cpu_prepare(cpu);
+		break;
+
+	case CPU_STARTING:
+		if (x86_pmu.cpu_starting)
+			x86_pmu.cpu_starting(cpu);
+		break;
+
+	case CPU_DYING:
+		if (x86_pmu.cpu_dying)
+			x86_pmu.cpu_dying(cpu);
+		break;
+
+	case CPU_DEAD:
+		if (x86_pmu.cpu_dead)
+			x86_pmu.cpu_dead(cpu);
+		break;
+
+	default:
+		break;
+	}
+
+	return NOTIFY_OK;
+}
+
 static void __init pmu_check_apic(void)
 {
 	if (cpu_has_apic)
@@ -1347,6 +1374,7 @@ static void __init pmu_check_apic(void)
 
 void __init init_hw_perf_events(void)
 {
+	struct event_constraint *c;
 	int err;
 
 	pr_info("Performance Events: ");
@@ -1395,6 +1423,16 @@ void __init init_hw_perf_events(void)
 		__EVENT_CONSTRAINT(0, (1ULL << x86_pmu.num_events) - 1,
 				   0, x86_pmu.num_events);
 
+	if (x86_pmu.event_constraints) {
+		for_each_event_constraint(c, x86_pmu.event_constraints) {
+			if (c->cmask != INTEL_ARCH_FIXED_MASK)
+				continue;
+
+			c->idxmsk64 |= (1ULL << x86_pmu.num_events) - 1;
+			c->weight += x86_pmu.num_events;
+		}
+	}
+
 	pr_info("... version:                %d\n",     x86_pmu.version);
 	pr_info("... bit width:              %d\n",     x86_pmu.event_bits);
 	pr_info("... generic registers:      %d\n",     x86_pmu.num_events);
@@ -1402,11 +1440,13 @@ void __init init_hw_perf_events(void)
 	pr_info("... max period:             %016Lx\n", x86_pmu.max_period);
 	pr_info("... fixed-purpose events:   %d\n",     x86_pmu.num_events_fixed);
 	pr_info("... event mask:             %016Lx\n", perf_event_mask);
+
+	perf_cpu_notifier(x86_pmu_notifier);
 }
 
 static inline void x86_pmu_read(struct perf_event *event)
 {
-	x86_perf_event_update(event, &event->hw, event->hw.idx);
+	x86_perf_event_update(event);
 }
 
 static const struct pmu pmu = {
@@ -1662,28 +1702,16 @@ struct perf_callchain_entry *perf_callchain(struct pt_regs *regs)
 	return entry;
 }
 
-void hw_perf_event_setup_online(int cpu)
+#ifdef CONFIG_EVENT_TRACING
+void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip)
 {
-	init_debug_store_on_cpu(cpu);
-
-	switch (boot_cpu_data.x86_vendor) {
-	case X86_VENDOR_AMD:
-		amd_pmu_cpu_online(cpu);
-		break;
-	default:
-		return;
-	}
-}
-
-void hw_perf_event_setup_offline(int cpu)
-{
-	init_debug_store_on_cpu(cpu);
-
-	switch (boot_cpu_data.x86_vendor) {
-	case X86_VENDOR_AMD:
-		amd_pmu_cpu_offline(cpu);
-		break;
-	default:
-		return;
-	}
+	regs->ip = ip;
+	/*
+	 * perf_arch_fetch_caller_regs adds another call, we need to increment
+	 * the skip level
+	 */
+	regs->bp = rewind_frame_pointer(skip + 1);
+	regs->cs = __KERNEL_CS;
+	local_save_flags(regs->flags);
 }
+#endif
diff --git a/arch/x86/kernel/cpu/perf_event_amd.c b/arch/x86/kernel/cpu/perf_event_amd.c
index 8f3dbfda3c4f..b87e0b6970cb 100644
--- a/arch/x86/kernel/cpu/perf_event_amd.c
+++ b/arch/x86/kernel/cpu/perf_event_amd.c
@@ -271,28 +271,6 @@ done:
 	return &emptyconstraint;
 }
 
-static __initconst struct x86_pmu amd_pmu = {
-	.name			= "AMD",
-	.handle_irq		= x86_pmu_handle_irq,
-	.disable_all		= x86_pmu_disable_all,
-	.enable_all		= x86_pmu_enable_all,
-	.enable			= x86_pmu_enable_event,
-	.disable		= x86_pmu_disable_event,
-	.eventsel		= MSR_K7_EVNTSEL0,
-	.perfctr		= MSR_K7_PERFCTR0,
-	.event_map		= amd_pmu_event_map,
-	.raw_event		= amd_pmu_raw_event,
-	.max_events		= ARRAY_SIZE(amd_perfmon_event_map),
-	.num_events		= 4,
-	.event_bits		= 48,
-	.event_mask		= (1ULL << 48) - 1,
-	.apic			= 1,
-	/* use highest bit to detect overflow */
-	.max_period		= (1ULL << 47) - 1,
-	.get_event_constraints	= amd_get_event_constraints,
-	.put_event_constraints	= amd_put_event_constraints
-};
-
 static struct amd_nb *amd_alloc_nb(int cpu, int nb_id)
 {
 	struct amd_nb *nb;
@@ -309,7 +287,7 @@ static struct amd_nb *amd_alloc_nb(int cpu, int nb_id)
 	 * initialize all possible NB constraints
 	 */
 	for (i = 0; i < x86_pmu.num_events; i++) {
-		set_bit(i, nb->event_constraints[i].idxmsk);
+		__set_bit(i, nb->event_constraints[i].idxmsk);
 		nb->event_constraints[i].weight = 1;
 	}
 	return nb;
@@ -370,14 +348,41 @@ static void amd_pmu_cpu_offline(int cpu)
 
 	raw_spin_lock(&amd_nb_lock);
 
-	if (--cpuhw->amd_nb->refcnt == 0)
-		kfree(cpuhw->amd_nb);
+	if (cpuhw->amd_nb) {
+		if (--cpuhw->amd_nb->refcnt == 0)
+			kfree(cpuhw->amd_nb);
 
-	cpuhw->amd_nb = NULL;
+		cpuhw->amd_nb = NULL;
+	}
 
 	raw_spin_unlock(&amd_nb_lock);
 }
 
+static __initconst struct x86_pmu amd_pmu = {
+	.name			= "AMD",
+	.handle_irq		= x86_pmu_handle_irq,
+	.disable_all		= x86_pmu_disable_all,
+	.enable_all		= x86_pmu_enable_all,
+	.enable			= x86_pmu_enable_event,
+	.disable		= x86_pmu_disable_event,
+	.eventsel		= MSR_K7_EVNTSEL0,
+	.perfctr		= MSR_K7_PERFCTR0,
+	.event_map		= amd_pmu_event_map,
+	.raw_event		= amd_pmu_raw_event,
+	.max_events		= ARRAY_SIZE(amd_perfmon_event_map),
+	.num_events		= 4,
+	.event_bits		= 48,
+	.event_mask		= (1ULL << 48) - 1,
+	.apic			= 1,
+	/* use highest bit to detect overflow */
+	.max_period		= (1ULL << 47) - 1,
+	.get_event_constraints	= amd_get_event_constraints,
+	.put_event_constraints	= amd_put_event_constraints,
+
+	.cpu_prepare		= amd_pmu_cpu_online,
+	.cpu_dead		= amd_pmu_cpu_offline,
+};
+
 static __init int amd_pmu_init(void)
 {
 	/* Performance-monitoring supported from K7 and later: */
@@ -390,11 +395,6 @@ static __init int amd_pmu_init(void)
 	memcpy(hw_cache_event_ids, amd_hw_cache_event_ids,
 	       sizeof(hw_cache_event_ids));
 
-	/*
-	 * explicitly initialize the boot cpu, other cpus will get
-	 * the cpu hotplug callbacks from smp_init()
-	 */
-	amd_pmu_cpu_online(smp_processor_id());
 	return 0;
 }
 
@@ -405,12 +405,4 @@ static int amd_pmu_init(void)
 	return 0;
 }
 
-static void amd_pmu_cpu_online(int cpu)
-{
-}
-
-static void amd_pmu_cpu_offline(int cpu)
-{
-}
-
 #endif
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index cf6590cf4a5f..84bfde64a337 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -1,7 +1,7 @@
 #ifdef CONFIG_CPU_SUP_INTEL
 
 /*
- * Intel PerfMon v3. Used on Core2 and later.
+ * Intel PerfMon, used on Core and later.
  */
 static const u64 intel_perfmon_event_map[] =
 {
@@ -27,8 +27,14 @@ static struct event_constraint intel_core_event_constraints[] =
 
 static struct event_constraint intel_core2_event_constraints[] =
 {
-	FIXED_EVENT_CONSTRAINT(0xc0, (0x3|(1ULL<<32))), /* INSTRUCTIONS_RETIRED */
-	FIXED_EVENT_CONSTRAINT(0x3c, (0x3|(1ULL<<33))), /* UNHALTED_CORE_CYCLES */
+	FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
+	FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
+	/*
+	 * Core2 has Fixed Counter 2 listed as CPU_CLK_UNHALTED.REF and event
+	 * 0x013c as CPU_CLK_UNHALTED.BUS and specifies there is a fixed
+	 * ratio between these counters.
+	 */
+	/* FIXED_EVENT_CONSTRAINT(0x013c, 2),  CPU_CLK_UNHALTED.REF */
 	INTEL_EVENT_CONSTRAINT(0x10, 0x1), /* FP_COMP_OPS_EXE */
 	INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */
 	INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */
@@ -37,14 +43,16 @@ static struct event_constraint intel_core2_event_constraints[] =
 	INTEL_EVENT_CONSTRAINT(0x18, 0x1), /* IDLE_DURING_DIV */
 	INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */
 	INTEL_EVENT_CONSTRAINT(0xa1, 0x1), /* RS_UOPS_DISPATCH_CYCLES */
+	INTEL_EVENT_CONSTRAINT(0xc9, 0x1), /* ITLB_MISS_RETIRED (T30-9) */
 	INTEL_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED */
 	EVENT_CONSTRAINT_END
 };
 
 static struct event_constraint intel_nehalem_event_constraints[] =
 {
-	FIXED_EVENT_CONSTRAINT(0xc0, (0xf|(1ULL<<32))), /* INSTRUCTIONS_RETIRED */
-	FIXED_EVENT_CONSTRAINT(0x3c, (0xf|(1ULL<<33))), /* UNHALTED_CORE_CYCLES */
+	FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
+	FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
+	/* FIXED_EVENT_CONSTRAINT(0x013c, 2), CPU_CLK_UNHALTED.REF */
 	INTEL_EVENT_CONSTRAINT(0x40, 0x3), /* L1D_CACHE_LD */
 	INTEL_EVENT_CONSTRAINT(0x41, 0x3), /* L1D_CACHE_ST */
 	INTEL_EVENT_CONSTRAINT(0x42, 0x3), /* L1D_CACHE_LOCK */
@@ -58,8 +66,9 @@ static struct event_constraint intel_nehalem_event_constraints[] =
 
 static struct event_constraint intel_westmere_event_constraints[] =
 {
-	FIXED_EVENT_CONSTRAINT(0xc0, (0xf|(1ULL<<32))), /* INSTRUCTIONS_RETIRED */
-	FIXED_EVENT_CONSTRAINT(0x3c, (0xf|(1ULL<<33))), /* UNHALTED_CORE_CYCLES */
+	FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
+	FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
+	/* FIXED_EVENT_CONSTRAINT(0x013c, 2), CPU_CLK_UNHALTED.REF */
 	INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */
 	INTEL_EVENT_CONSTRAINT(0x60, 0x1), /* OFFCORE_REQUESTS_OUTSTANDING */
 	INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */
@@ -68,8 +77,9 @@ static struct event_constraint intel_westmere_event_constraints[] =
 
 static struct event_constraint intel_gen_event_constraints[] =
 {
-	FIXED_EVENT_CONSTRAINT(0xc0, (0x3|(1ULL<<32))), /* INSTRUCTIONS_RETIRED */
-	FIXED_EVENT_CONSTRAINT(0x3c, (0x3|(1ULL<<33))), /* UNHALTED_CORE_CYCLES */
+	FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
+	FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
+	/* FIXED_EVENT_CONSTRAINT(0x013c, 2), CPU_CLK_UNHALTED.REF */
 	EVENT_CONSTRAINT_END
 };
 
@@ -538,9 +548,9 @@ static inline void intel_pmu_ack_status(u64 ack)
 }
 
 static inline void
-intel_pmu_disable_fixed(struct hw_perf_event *hwc, int __idx)
+intel_pmu_disable_fixed(struct hw_perf_event *hwc)
 {
-	int idx = __idx - X86_PMC_IDX_FIXED;
+	int idx = hwc->idx - X86_PMC_IDX_FIXED;
 	u64 ctrl_val, mask;
 
 	mask = 0xfULL << (idx * 4);
@@ -580,10 +590,9 @@ static void intel_pmu_drain_bts_buffer(void)
 
 	ds->bts_index = ds->bts_buffer_base;
 
+	perf_sample_data_init(&data, 0);
 
 	data.period	= event->hw.last_period;
-	data.addr	= 0;
-	data.raw	= NULL;
 	regs.ip		= 0;
 
 	/*
@@ -612,26 +621,28 @@ static void intel_pmu_drain_bts_buffer(void)
 }
 
 static inline void
-intel_pmu_disable_event(struct hw_perf_event *hwc, int idx)
+intel_pmu_disable_event(struct perf_event *event)
 {
-	if (unlikely(idx == X86_PMC_IDX_FIXED_BTS)) {
+	struct hw_perf_event *hwc = &event->hw;
+
+	if (unlikely(hwc->idx == X86_PMC_IDX_FIXED_BTS)) {
 		intel_pmu_disable_bts();
 		intel_pmu_drain_bts_buffer();
 		return;
 	}
 
 	if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) {
-		intel_pmu_disable_fixed(hwc, idx);
+		intel_pmu_disable_fixed(hwc);
 		return;
 	}
 
-	x86_pmu_disable_event(hwc, idx);
+	x86_pmu_disable_event(event);
 }
 
 static inline void
-intel_pmu_enable_fixed(struct hw_perf_event *hwc, int __idx)
+intel_pmu_enable_fixed(struct hw_perf_event *hwc)
 {
-	int idx = __idx - X86_PMC_IDX_FIXED;
+	int idx = hwc->idx - X86_PMC_IDX_FIXED;
 	u64 ctrl_val, bits, mask;
 	int err;
 
@@ -661,9 +672,11 @@ intel_pmu_enable_fixed(struct hw_perf_event *hwc, int __idx)
 	err = checking_wrmsrl(hwc->config_base, ctrl_val);
 }
 
-static void intel_pmu_enable_event(struct hw_perf_event *hwc, int idx)
+static void intel_pmu_enable_event(struct perf_event *event)
 {
-	if (unlikely(idx == X86_PMC_IDX_FIXED_BTS)) {
+	struct hw_perf_event *hwc = &event->hw;
+
+	if (unlikely(hwc->idx == X86_PMC_IDX_FIXED_BTS)) {
 		if (!__get_cpu_var(cpu_hw_events).enabled)
 			return;
 
@@ -672,11 +685,11 @@ static void intel_pmu_enable_event(struct hw_perf_event *hwc, int idx)
 	}
 
 	if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) {
-		intel_pmu_enable_fixed(hwc, idx);
+		intel_pmu_enable_fixed(hwc);
 		return;
 	}
 
-	__x86_pmu_enable_event(hwc, idx);
+	__x86_pmu_enable_event(hwc);
 }
 
 /*
@@ -685,14 +698,8 @@ static void intel_pmu_enable_event(struct hw_perf_event *hwc, int idx)
  */
 static int intel_pmu_save_and_restart(struct perf_event *event)
 {
-	struct hw_perf_event *hwc = &event->hw;
-	int idx = hwc->idx;
-	int ret;
-
-	x86_perf_event_update(event, hwc, idx);
-	ret = x86_perf_event_set_period(event, hwc, idx);
-
-	return ret;
+	x86_perf_event_update(event);
+	return x86_perf_event_set_period(event);
 }
 
 static void intel_pmu_reset(void)
@@ -732,16 +739,15 @@ static int intel_pmu_handle_irq(struct pt_regs *regs)
 	int bit, loops;
 	u64 ack, status;
 
-	data.addr = 0;
-	data.raw = NULL;
+	perf_sample_data_init(&data, 0);
 
 	cpuc = &__get_cpu_var(cpu_hw_events);
 
-	perf_disable();
+	intel_pmu_disable_all();
 	intel_pmu_drain_bts_buffer();
 	status = intel_pmu_get_status();
 	if (!status) {
-		perf_enable();
+		intel_pmu_enable_all();
 		return 0;
 	}
 
@@ -751,16 +757,14 @@ again:
 		WARN_ONCE(1, "perfevents: irq loop stuck!\n");
 		perf_event_print_debug();
 		intel_pmu_reset();
-		perf_enable();
-		return 1;
+		goto done;
 	}
 
 	inc_irq_stat(apic_perf_irqs);
 	ack = status;
-	for_each_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) {
+	for_each_set_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) {
 		struct perf_event *event = cpuc->events[bit];
 
-		clear_bit(bit, (unsigned long *) &status);
 		if (!test_bit(bit, cpuc->active_mask))
 			continue;
 
@@ -770,7 +774,7 @@ again:
 		data.period = event->hw.last_period;
 
 		if (perf_event_overflow(event, 1, &data, regs))
-			intel_pmu_disable_event(&event->hw, bit);
+			x86_pmu_stop(event);
 	}
 
 	intel_pmu_ack_status(ack);
@@ -782,8 +786,8 @@ again:
 	if (status)
 		goto again;
 
-	perf_enable();
-
+done:
+	intel_pmu_enable_all();
 	return 1;
 }
 
@@ -862,7 +866,10 @@ static __initconst struct x86_pmu intel_pmu = {
 	.max_period		= (1ULL << 31) - 1,
 	.enable_bts		= intel_pmu_enable_bts,
 	.disable_bts		= intel_pmu_disable_bts,
-	.get_event_constraints	= intel_get_event_constraints
+	.get_event_constraints	= intel_get_event_constraints,
+
+	.cpu_starting		= init_debug_store_on_cpu,
+	.cpu_dying		= fini_debug_store_on_cpu,
 };
 
 static __init int intel_pmu_init(void)
@@ -935,7 +942,7 @@ static __init int intel_pmu_init(void)
 		x86_pmu.event_constraints = intel_nehalem_event_constraints;
 		pr_cont("Nehalem/Corei7 events, ");
 		break;
-	case 28:
+	case 28: /* Atom */
 		memcpy(hw_cache_event_ids, atom_hw_cache_event_ids,
 		       sizeof(hw_cache_event_ids));
 
@@ -951,6 +958,7 @@ static __init int intel_pmu_init(void)
 		x86_pmu.event_constraints = intel_westmere_event_constraints;
 		pr_cont("Westmere events, ");
 		break;
+
 	default:
 		/*
 		 * default constraints for v2 and up
diff --git a/arch/x86/kernel/cpu/perf_event_p6.c b/arch/x86/kernel/cpu/perf_event_p6.c
index 1ca5ba078afd..a330485d14da 100644
--- a/arch/x86/kernel/cpu/perf_event_p6.c
+++ b/arch/x86/kernel/cpu/perf_event_p6.c
@@ -62,7 +62,7 @@ static void p6_pmu_disable_all(void)
 
 	/* p6 only has one enable register */
 	rdmsrl(MSR_P6_EVNTSEL0, val);
-	val &= ~ARCH_PERFMON_EVENTSEL0_ENABLE;
+	val &= ~ARCH_PERFMON_EVENTSEL_ENABLE;
 	wrmsrl(MSR_P6_EVNTSEL0, val);
 }
 
@@ -72,32 +72,34 @@ static void p6_pmu_enable_all(void)
 
 	/* p6 only has one enable register */
 	rdmsrl(MSR_P6_EVNTSEL0, val);
-	val |= ARCH_PERFMON_EVENTSEL0_ENABLE;
+	val |= ARCH_PERFMON_EVENTSEL_ENABLE;
 	wrmsrl(MSR_P6_EVNTSEL0, val);
 }
 
 static inline void
-p6_pmu_disable_event(struct hw_perf_event *hwc, int idx)
+p6_pmu_disable_event(struct perf_event *event)
 {
 	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+	struct hw_perf_event *hwc = &event->hw;
 	u64 val = P6_NOP_EVENT;
 
 	if (cpuc->enabled)
-		val |= ARCH_PERFMON_EVENTSEL0_ENABLE;
+		val |= ARCH_PERFMON_EVENTSEL_ENABLE;
 
-	(void)checking_wrmsrl(hwc->config_base + idx, val);
+	(void)checking_wrmsrl(hwc->config_base + hwc->idx, val);
 }
 
-static void p6_pmu_enable_event(struct hw_perf_event *hwc, int idx)
+static void p6_pmu_enable_event(struct perf_event *event)
 {
 	struct cpu_hw_events *cpuc = &__get_cpu_var(cpu_hw_events);
+	struct hw_perf_event *hwc = &event->hw;
 	u64 val;
 
 	val = hwc->config;
 	if (cpuc->enabled)
-		val |= ARCH_PERFMON_EVENTSEL0_ENABLE;
+		val |= ARCH_PERFMON_EVENTSEL_ENABLE;
 
-	(void)checking_wrmsrl(hwc->config_base + idx, val);
+	(void)checking_wrmsrl(hwc->config_base + hwc->idx, val);
 }
 
 static __initconst struct x86_pmu p6_pmu = {
diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c
index 74f4e85a5727..fb329e9f8494 100644
--- a/arch/x86/kernel/cpu/perfctr-watchdog.c
+++ b/arch/x86/kernel/cpu/perfctr-watchdog.c
@@ -680,7 +680,7 @@ static int setup_intel_arch_watchdog(unsigned nmi_hz)
 	cpu_nmi_set_wd_enabled();
 
 	apic_write(APIC_LVTPC, APIC_DM_NMI);
-	evntsel |= ARCH_PERFMON_EVENTSEL0_ENABLE;
+	evntsel |= ARCH_PERFMON_EVENTSEL_ENABLE;
 	wrmsr(evntsel_msr, evntsel, 0);
 	intel_arch_wd_ops.checkbit = 1ULL << (eax.split.bit_width - 1);
 	return 1;
diff --git a/arch/x86/kernel/dumpstack.h b/arch/x86/kernel/dumpstack.h
index 4fd1420faffa..29e5f7c845b2 100644
--- a/arch/x86/kernel/dumpstack.h
+++ b/arch/x86/kernel/dumpstack.h
@@ -29,4 +29,19 @@ struct stack_frame {
 	struct stack_frame *next_frame;
 	unsigned long return_address;
 };
+
+static inline unsigned long rewind_frame_pointer(int n)
+{
+	struct stack_frame *frame;
+
+	get_bp(frame);
+
+#ifdef CONFIG_FRAME_POINTER
+	while (n--)
+		frame = frame->next_frame;
 #endif
+
+	return (unsigned long)frame;
+}
+
+#endif /* DUMPSTACK_H */
diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c
index dce99abb4496..272c9f1f05f3 100644
--- a/arch/x86/kernel/dumpstack_64.c
+++ b/arch/x86/kernel/dumpstack_64.c
@@ -120,9 +120,15 @@ fixup_bp_irq_link(unsigned long bp, unsigned long *stack,
 {
 #ifdef CONFIG_FRAME_POINTER
 	struct stack_frame *frame = (struct stack_frame *)bp;
+	unsigned long next;
 
-	if (!in_irq_stack(stack, irq_stack, irq_stack_end))
-		return (unsigned long)frame->next_frame;
+	if (!in_irq_stack(stack, irq_stack, irq_stack_end)) {
+		if (!probe_kernel_address(&frame->next_frame, next))
+			return next;
+		else
+			WARN_ONCE(1, "Perf: bad frame pointer = %p in "
+				  "callchain\n", &frame->next_frame);
+	}
 #endif
 	return bp;
 }
@@ -202,7 +208,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
 			if (in_irq_stack(stack, irq_stack, irq_stack_end)) {
 				if (ops->stack(data, "IRQ") < 0)
 					break;
-				bp = print_context_stack(tinfo, stack, bp,
+				bp = ops->walk_stack(tinfo, stack, bp,
 					ops, data, irq_stack_end, &graph);
 				/*
 				 * We link to the next stack (which would be
@@ -223,7 +229,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs,
 	/*
 	 * This handles the process stack:
 	 */
-	bp = print_context_stack(tinfo, stack, bp, ops, data, NULL, &graph);
+	bp = ops->walk_stack(tinfo, stack, bp, ops, data, NULL, &graph);
 	put_cpu();
 }
 EXPORT_SYMBOL(dump_trace);
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index a966b753e496..740b440fbd73 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -12,21 +12,13 @@
 #include <linux/types.h>
 #include <linux/init.h>
 #include <linux/bootmem.h>
-#include <linux/ioport.h>
-#include <linux/string.h>
-#include <linux/kexec.h>
-#include <linux/module.h>
-#include <linux/mm.h>
 #include <linux/pfn.h>
 #include <linux/suspend.h>
 #include <linux/firmware-map.h>
 
-#include <asm/pgtable.h>
-#include <asm/page.h>
 #include <asm/e820.h>
 #include <asm/proto.h>
 #include <asm/setup.h>
-#include <asm/trampoline.h>
 
 /*
  * The e820 map is the map that gets modified e.g. with command line parameters
@@ -730,319 +722,44 @@ core_initcall(e820_mark_nvs_memory);
 #endif
 
 /*
- * Early reserved memory areas.
- */
-#define MAX_EARLY_RES 32
-
-struct early_res {
-	u64 start, end;
-	char name[16];
-	char overlap_ok;
-};
-static struct early_res early_res[MAX_EARLY_RES] __initdata = {
-	{ 0, PAGE_SIZE, "BIOS data page", 1 },	/* BIOS data page */
-#if defined(CONFIG_X86_32) && defined(CONFIG_X86_TRAMPOLINE)
-	/*
-	 * But first pinch a few for the stack/trampoline stuff
-	 * FIXME: Don't need the extra page at 4K, but need to fix
-	 * trampoline before removing it. (see the GDT stuff)
-	 */
-	{ PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, "EX TRAMPOLINE", 1 },
-#endif
-
-	{}
-};
-
-static int __init find_overlapped_early(u64 start, u64 end)
-{
-	int i;
-	struct early_res *r;
-
-	for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
-		r = &early_res[i];
-		if (end > r->start && start < r->end)
-			break;
-	}
-
-	return i;
-}
-
-/*
- * Drop the i-th range from the early reservation map,
- * by copying any higher ranges down one over it, and
- * clearing what had been the last slot.
- */
-static void __init drop_range(int i)
-{
-	int j;
-
-	for (j = i + 1; j < MAX_EARLY_RES && early_res[j].end; j++)
-		;
-
-	memmove(&early_res[i], &early_res[i + 1],
-	       (j - 1 - i) * sizeof(struct early_res));
-
-	early_res[j - 1].end = 0;
-}
-
-/*
- * Split any existing ranges that:
- *  1) are marked 'overlap_ok', and
- *  2) overlap with the stated range [start, end)
- * into whatever portion (if any) of the existing range is entirely
- * below or entirely above the stated range.  Drop the portion
- * of the existing range that overlaps with the stated range,
- * which will allow the caller of this routine to then add that
- * stated range without conflicting with any existing range.
+ * Find a free area with specified alignment in a specific range.
  */
-static void __init drop_overlaps_that_are_ok(u64 start, u64 end)
+u64 __init find_e820_area(u64 start, u64 end, u64 size, u64 align)
 {
 	int i;
-	struct early_res *r;
-	u64 lower_start, lower_end;
-	u64 upper_start, upper_end;
-	char name[16];
 
-	for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
-		r = &early_res[i];
+	for (i = 0; i < e820.nr_map; i++) {
+		struct e820entry *ei = &e820.map[i];
+		u64 addr;
+		u64 ei_start, ei_last;
 
-		/* Continue past non-overlapping ranges */
-		if (end <= r->start || start >= r->end)
+		if (ei->type != E820_RAM)
 			continue;
 
-		/*
-		 * Leave non-ok overlaps as is; let caller
-		 * panic "Overlapping early reservations"
-		 * when it hits this overlap.
-		 */
-		if (!r->overlap_ok)
-			return;
-
-		/*
-		 * We have an ok overlap.  We will drop it from the early
-		 * reservation map, and add back in any non-overlapping
-		 * portions (lower or upper) as separate, overlap_ok,
-		 * non-overlapping ranges.
-		 */
-
-		/* 1. Note any non-overlapping (lower or upper) ranges. */
-		strncpy(name, r->name, sizeof(name) - 1);
-
-		lower_start = lower_end = 0;
-		upper_start = upper_end = 0;
-		if (r->start < start) {
-		 	lower_start = r->start;
-			lower_end = start;
-		}
-		if (r->end > end) {
-			upper_start = end;
-			upper_end = r->end;
-		}
-
-		/* 2. Drop the original ok overlapping range */
-		drop_range(i);
-
-		i--;		/* resume for-loop on copied down entry */
-
-		/* 3. Add back in any non-overlapping ranges. */
-		if (lower_end)
-			reserve_early_overlap_ok(lower_start, lower_end, name);
-		if (upper_end)
-			reserve_early_overlap_ok(upper_start, upper_end, name);
-	}
-}
-
-static void __init __reserve_early(u64 start, u64 end, char *name,
-						int overlap_ok)
-{
-	int i;
-	struct early_res *r;
-
-	i = find_overlapped_early(start, end);
-	if (i >= MAX_EARLY_RES)
-		panic("Too many early reservations");
-	r = &early_res[i];
-	if (r->end)
-		panic("Overlapping early reservations "
-		      "%llx-%llx %s to %llx-%llx %s\n",
-		      start, end - 1, name?name:"", r->start,
-		      r->end - 1, r->name);
-	r->start = start;
-	r->end = end;
-	r->overlap_ok = overlap_ok;
-	if (name)
-		strncpy(r->name, name, sizeof(r->name) - 1);
-}
-
-/*
- * A few early reservtations come here.
- *
- * The 'overlap_ok' in the name of this routine does -not- mean it
- * is ok for these reservations to overlap an earlier reservation.
- * Rather it means that it is ok for subsequent reservations to
- * overlap this one.
- *
- * Use this entry point to reserve early ranges when you are doing
- * so out of "Paranoia", reserving perhaps more memory than you need,
- * just in case, and don't mind a subsequent overlapping reservation
- * that is known to be needed.
- *
- * The drop_overlaps_that_are_ok() call here isn't really needed.
- * It would be needed if we had two colliding 'overlap_ok'
- * reservations, so that the second such would not panic on the
- * overlap with the first.  We don't have any such as of this
- * writing, but might as well tolerate such if it happens in
- * the future.
- */
-void __init reserve_early_overlap_ok(u64 start, u64 end, char *name)
-{
-	drop_overlaps_that_are_ok(start, end);
-	__reserve_early(start, end, name, 1);
-}
-
-/*
- * Most early reservations come here.
- *
- * We first have drop_overlaps_that_are_ok() drop any pre-existing
- * 'overlap_ok' ranges, so that we can then reserve this memory
- * range without risk of panic'ing on an overlapping overlap_ok
- * early reservation.
- */
-void __init reserve_early(u64 start, u64 end, char *name)
-{
-	if (start >= end)
-		return;
-
-	drop_overlaps_that_are_ok(start, end);
-	__reserve_early(start, end, name, 0);
-}
-
-void __init free_early(u64 start, u64 end)
-{
-	struct early_res *r;
-	int i;
-
-	i = find_overlapped_early(start, end);
-	r = &early_res[i];
-	if (i >= MAX_EARLY_RES || r->end != end || r->start != start)
-		panic("free_early on not reserved area: %llx-%llx!",
-			 start, end - 1);
-
-	drop_range(i);
-}
-
-void __init early_res_to_bootmem(u64 start, u64 end)
-{
-	int i, count;
-	u64 final_start, final_end;
-
-	count  = 0;
-	for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++)
-		count++;
-
-	printk(KERN_INFO "(%d early reservations) ==> bootmem [%010llx - %010llx]\n",
-			 count, start, end);
-	for (i = 0; i < count; i++) {
-		struct early_res *r = &early_res[i];
-		printk(KERN_INFO "  #%d [%010llx - %010llx] %16s", i,
-			r->start, r->end, r->name);
-		final_start = max(start, r->start);
-		final_end = min(end, r->end);
-		if (final_start >= final_end) {
-			printk(KERN_CONT "\n");
-			continue;
-		}
-		printk(KERN_CONT " ==> [%010llx - %010llx]\n",
-			final_start, final_end);
-		reserve_bootmem_generic(final_start, final_end - final_start,
-				BOOTMEM_DEFAULT);
-	}
-}
+		ei_last = ei->addr + ei->size;
+		ei_start = ei->addr;
+		addr = find_early_area(ei_start, ei_last, start, end,
+					 size, align);
 
-/* Check for already reserved areas */
-static inline int __init bad_addr(u64 *addrp, u64 size, u64 align)
-{
-	int i;
-	u64 addr = *addrp;
-	int changed = 0;
-	struct early_res *r;
-again:
-	i = find_overlapped_early(addr, addr + size);
-	r = &early_res[i];
-	if (i < MAX_EARLY_RES && r->end) {
-		*addrp = addr = round_up(r->end, align);
-		changed = 1;
-		goto again;
+		if (addr != -1ULL)
+			return addr;
 	}
-	return changed;
+	return -1ULL;
 }
 
-/* Check for already reserved areas */
-static inline int __init bad_addr_size(u64 *addrp, u64 *sizep, u64 align)
+u64 __init find_fw_memmap_area(u64 start, u64 end, u64 size, u64 align)
 {
-	int i;
-	u64 addr = *addrp, last;
-	u64 size = *sizep;
-	int changed = 0;
-again:
-	last = addr + size;
-	for (i = 0; i < MAX_EARLY_RES && early_res[i].end; i++) {
-		struct early_res *r = &early_res[i];
-		if (last > r->start && addr < r->start) {
-			size = r->start - addr;
-			changed = 1;
-			goto again;
-		}
-		if (last > r->end && addr < r->end) {
-			addr = round_up(r->end, align);
-			size = last - addr;
-			changed = 1;
-			goto again;
-		}
-		if (last <= r->end && addr >= r->start) {
-			(*sizep)++;
-			return 0;
-		}
-	}
-	if (changed) {
-		*addrp = addr;
-		*sizep = size;
-	}
-	return changed;
+	return find_e820_area(start, end, size, align);
 }
 
-/*
- * Find a free area with specified alignment in a specific range.
- */
-u64 __init find_e820_area(u64 start, u64 end, u64 size, u64 align)
+u64 __init get_max_mapped(void)
 {
-	int i;
+	u64 end = max_pfn_mapped;
 
-	for (i = 0; i < e820.nr_map; i++) {
-		struct e820entry *ei = &e820.map[i];
-		u64 addr, last;
-		u64 ei_last;
+	end <<= PAGE_SHIFT;
 
-		if (ei->type != E820_RAM)
-			continue;
-		addr = round_up(ei->addr, align);
-		ei_last = ei->addr + ei->size;
-		if (addr < start)
-			addr = round_up(start, align);
-		if (addr >= ei_last)
-			continue;
-		while (bad_addr(&addr, size, align) && addr+size <= ei_last)
-			;
-		last = addr + size;
-		if (last > ei_last)
-			continue;
-		if (last > end)
-			continue;
-		return addr;
-	}
-	return -1ULL;
+	return end;
 }
-
 /*
  * Find next free range after *start
  */
@@ -1052,25 +769,19 @@ u64 __init find_e820_area_size(u64 start, u64 *sizep, u64 align)
 
 	for (i = 0; i < e820.nr_map; i++) {
 		struct e820entry *ei = &e820.map[i];
-		u64 addr, last;
-		u64 ei_last;
+		u64 addr;
+		u64 ei_start, ei_last;
 
 		if (ei->type != E820_RAM)
 			continue;
-		addr = round_up(ei->addr, align);
+
 		ei_last = ei->addr + ei->size;
-		if (addr < start)
-			addr = round_up(start, align);
-		if (addr >= ei_last)
-			continue;
-		*sizep = ei_last - addr;
-		while (bad_addr_size(&addr, sizep, align) &&
-			addr + *sizep <= ei_last)
-			;
-		last = addr + *sizep;
-		if (last > ei_last)
-			continue;
-		return addr;
+		ei_start = ei->addr;
+		addr = find_early_area_size(ei_start, ei_last, start,
+					 sizep, align);
+
+		if (addr != -1ULL)
+			return addr;
 	}
 
 	return -1ULL;
@@ -1429,6 +1140,8 @@ void __init e820_reserve_resources_late(void)
 			end = MAX_RESOURCE_SIZE;
 		if (start >= end)
 			continue;
+		printk(KERN_DEBUG "reserve RAM buffer: %016llx - %016llx ",
+			       start, end);
 		reserve_region_with_split(&iomem_resource, start, end,
 					  "RAM buffer");
 	}
diff --git a/arch/x86/kernel/head32.c b/arch/x86/kernel/head32.c
index 5051b94c9069..b2e246037392 100644
--- a/arch/x86/kernel/head32.c
+++ b/arch/x86/kernel/head32.c
@@ -7,6 +7,7 @@
 
 #include <linux/init.h>
 #include <linux/start_kernel.h>
+#include <linux/mm.h>
 
 #include <asm/setup.h>
 #include <asm/sections.h>
@@ -29,14 +30,25 @@ static void __init i386_default_early_setup(void)
 
 void __init i386_start_kernel(void)
 {
+#ifdef CONFIG_X86_TRAMPOLINE
+	/*
+	 * But first pinch a few for the stack/trampoline stuff
+	 * FIXME: Don't need the extra page at 4K, but need to fix
+	 * trampoline before removing it. (see the GDT stuff)
+	 */
+	reserve_early_overlap_ok(PAGE_SIZE, PAGE_SIZE + PAGE_SIZE,
+					 "EX TRAMPOLINE");
+#endif
+
 	reserve_early(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS");
 
 #ifdef CONFIG_BLK_DEV_INITRD
 	/* Reserve INITRD */
 	if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
+		/* Assume only end is not page aligned */
 		u64 ramdisk_image = boot_params.hdr.ramdisk_image;
 		u64 ramdisk_size  = boot_params.hdr.ramdisk_size;
-		u64 ramdisk_end   = ramdisk_image + ramdisk_size;
+		u64 ramdisk_end   = PAGE_ALIGN(ramdisk_image + ramdisk_size);
 		reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
 	}
 #endif
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index b5a9896ca1e7..7147143fd614 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -103,9 +103,10 @@ void __init x86_64_start_reservations(char *real_mode_data)
 #ifdef CONFIG_BLK_DEV_INITRD
 	/* Reserve INITRD */
 	if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
+		/* Assume only end is not page aligned */
 		unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
 		unsigned long ramdisk_size  = boot_params.hdr.ramdisk_size;
-		unsigned long ramdisk_end   = ramdisk_image + ramdisk_size;
+		unsigned long ramdisk_end   = PAGE_ALIGN(ramdisk_image + ramdisk_size);
 		reserve_early(ramdisk_image, ramdisk_end, "RAMDISK");
 	}
 #endif
diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S
index 7fd318bac59c..37c3d4b17d85 100644
--- a/arch/x86/kernel/head_32.S
+++ b/arch/x86/kernel/head_32.S
@@ -442,8 +442,8 @@ is386:	movl $2,%ecx		# set MP
 	 */
 	cmpb $0,ready
 	jne 1f
-	movl $per_cpu__gdt_page,%eax
-	movl $per_cpu__stack_canary,%ecx
+	movl $gdt_page,%eax
+	movl $stack_canary,%ecx
 	movw %cx, 8 * GDT_ENTRY_STACK_CANARY + 2(%eax)
 	shrl $16, %ecx
 	movb %cl, 8 * GDT_ENTRY_STACK_CANARY + 4(%eax)
@@ -706,7 +706,7 @@ idt_descr:
 	.word 0				# 32 bit align gdt_desc.address
 ENTRY(early_gdt_descr)
 	.word GDT_ENTRIES*8-1
-	.long per_cpu__gdt_page		/* Overwritten for secondary CPUs */
+	.long gdt_page			/* Overwritten for secondary CPUs */
 
 /*
  * The boot_gdt must mirror the equivalent in setup.S and is
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 2d8b5035371c..3d1e6f16b7a6 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -27,7 +27,7 @@
 #define GET_CR2_INTO_RCX movq %cr2, %rcx
 #endif
 
-/* we are not able to switch in one step to the final KERNEL ADRESS SPACE
+/* we are not able to switch in one step to the final KERNEL ADDRESS SPACE
  * because we need identity-mapped pages.
  *
  */
diff --git a/arch/x86/kernel/hw_breakpoint.c b/arch/x86/kernel/hw_breakpoint.c
index dca2802c666f..d6cc065f519f 100644
--- a/arch/x86/kernel/hw_breakpoint.c
+++ b/arch/x86/kernel/hw_breakpoint.c
@@ -344,13 +344,6 @@ int arch_validate_hwbkpt_settings(struct perf_event *bp,
 	}
 
 	/*
-	 * For kernel-addresses, either the address or symbol name can be
-	 * specified.
-	 */
-	if (info->name)
-		info->address = (unsigned long)
-				kallsyms_lookup_name(info->name);
-	/*
 	 * Check that the low-order bits of the address are appropriate
 	 * for the alignment implied by len.
 	 */
@@ -535,8 +528,3 @@ void hw_breakpoint_pmu_read(struct perf_event *bp)
 {
 	/* TODO */
 }
-
-void hw_breakpoint_pmu_unthrottle(struct perf_event *bp)
-{
-	/* TODO */
-}
diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
index df89102bef80..fb725ee15f55 100644
--- a/arch/x86/kernel/i8259.c
+++ b/arch/x86/kernel/i8259.c
@@ -32,8 +32,14 @@
  */
 
 static int i8259A_auto_eoi;
-DEFINE_SPINLOCK(i8259A_lock);
+DEFINE_RAW_SPINLOCK(i8259A_lock);
 static void mask_and_ack_8259A(unsigned int);
+static void mask_8259A(void);
+static void unmask_8259A(void);
+static void disable_8259A_irq(unsigned int irq);
+static void enable_8259A_irq(unsigned int irq);
+static void init_8259A(int auto_eoi);
+static int i8259A_irq_pending(unsigned int irq);
 
 struct irq_chip i8259A_chip = {
 	.name		= "XT-PIC",
@@ -63,51 +69,51 @@ unsigned int cached_irq_mask = 0xffff;
  */
 unsigned long io_apic_irqs;
 
-void disable_8259A_irq(unsigned int irq)
+static void disable_8259A_irq(unsigned int irq)
 {
 	unsigned int mask = 1 << irq;
 	unsigned long flags;
 
-	spin_lock_irqsave(&i8259A_lock, flags);
+	raw_spin_lock_irqsave(&i8259A_lock, flags);
 	cached_irq_mask |= mask;
 	if (irq & 8)
 		outb(cached_slave_mask, PIC_SLAVE_IMR);
 	else
 		outb(cached_master_mask, PIC_MASTER_IMR);
-	spin_unlock_irqrestore(&i8259A_lock, flags);
+	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 }
 
-void enable_8259A_irq(unsigned int irq)
+static void enable_8259A_irq(unsigned int irq)
 {
 	unsigned int mask = ~(1 << irq);
 	unsigned long flags;
 
-	spin_lock_irqsave(&i8259A_lock, flags);
+	raw_spin_lock_irqsave(&i8259A_lock, flags);
 	cached_irq_mask &= mask;
 	if (irq & 8)
 		outb(cached_slave_mask, PIC_SLAVE_IMR);
 	else
 		outb(cached_master_mask, PIC_MASTER_IMR);
-	spin_unlock_irqrestore(&i8259A_lock, flags);
+	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 }
 
-int i8259A_irq_pending(unsigned int irq)
+static int i8259A_irq_pending(unsigned int irq)
 {
 	unsigned int mask = 1<<irq;
 	unsigned long flags;
 	int ret;
 
-	spin_lock_irqsave(&i8259A_lock, flags);
+	raw_spin_lock_irqsave(&i8259A_lock, flags);
 	if (irq < 8)
 		ret = inb(PIC_MASTER_CMD) & mask;
 	else
 		ret = inb(PIC_SLAVE_CMD) & (mask >> 8);
-	spin_unlock_irqrestore(&i8259A_lock, flags);
+	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 
 	return ret;
 }
 
-void make_8259A_irq(unsigned int irq)
+static void make_8259A_irq(unsigned int irq)
 {
 	disable_irq_nosync(irq);
 	io_apic_irqs &= ~(1<<irq);
@@ -150,7 +156,7 @@ static void mask_and_ack_8259A(unsigned int irq)
 	unsigned int irqmask = 1 << irq;
 	unsigned long flags;
 
-	spin_lock_irqsave(&i8259A_lock, flags);
+	raw_spin_lock_irqsave(&i8259A_lock, flags);
 	/*
 	 * Lightweight spurious IRQ detection. We do not want
 	 * to overdo spurious IRQ handling - it's usually a sign
@@ -183,7 +189,7 @@ handle_real_irq:
 		outb(cached_master_mask, PIC_MASTER_IMR);
 		outb(0x60+irq, PIC_MASTER_CMD);	/* 'Specific EOI to master */
 	}
-	spin_unlock_irqrestore(&i8259A_lock, flags);
+	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 	return;
 
 spurious_8259A_irq:
@@ -281,37 +287,37 @@ static int __init i8259A_init_sysfs(void)
 
 device_initcall(i8259A_init_sysfs);
 
-void mask_8259A(void)
+static void mask_8259A(void)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&i8259A_lock, flags);
+	raw_spin_lock_irqsave(&i8259A_lock, flags);
 
 	outb(0xff, PIC_MASTER_IMR);	/* mask all of 8259A-1 */
 	outb(0xff, PIC_SLAVE_IMR);	/* mask all of 8259A-2 */
 
-	spin_unlock_irqrestore(&i8259A_lock, flags);
+	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 }
 
-void unmask_8259A(void)
+static void unmask_8259A(void)
 {
 	unsigned long flags;
 
-	spin_lock_irqsave(&i8259A_lock, flags);
+	raw_spin_lock_irqsave(&i8259A_lock, flags);
 
 	outb(cached_master_mask, PIC_MASTER_IMR); /* restore master IRQ mask */
 	outb(cached_slave_mask, PIC_SLAVE_IMR);	  /* restore slave IRQ mask */
 
-	spin_unlock_irqrestore(&i8259A_lock, flags);
+	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 }
 
-void init_8259A(int auto_eoi)
+static void init_8259A(int auto_eoi)
 {
 	unsigned long flags;
 
 	i8259A_auto_eoi = auto_eoi;
 
-	spin_lock_irqsave(&i8259A_lock, flags);
+	raw_spin_lock_irqsave(&i8259A_lock, flags);
 
 	outb(0xff, PIC_MASTER_IMR);	/* mask all of 8259A-1 */
 	outb(0xff, PIC_SLAVE_IMR);	/* mask all of 8259A-2 */
@@ -356,5 +362,49 @@ void init_8259A(int auto_eoi)
 	outb(cached_master_mask, PIC_MASTER_IMR); /* restore master IRQ mask */
 	outb(cached_slave_mask, PIC_SLAVE_IMR);	  /* restore slave IRQ mask */
 
-	spin_unlock_irqrestore(&i8259A_lock, flags);
+	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 }
+
+/*
+ * make i8259 a driver so that we can select pic functions at run time. the goal
+ * is to make x86 binary compatible among pc compatible and non-pc compatible
+ * platforms, such as x86 MID.
+ */
+
+static void legacy_pic_noop(void) { };
+static void legacy_pic_uint_noop(unsigned int unused) { };
+static void legacy_pic_int_noop(int unused) { };
+
+static struct irq_chip dummy_pic_chip  = {
+	.name = "dummy pic",
+	.mask = legacy_pic_uint_noop,
+	.unmask = legacy_pic_uint_noop,
+	.disable = legacy_pic_uint_noop,
+	.mask_ack = legacy_pic_uint_noop,
+};
+static int legacy_pic_irq_pending_noop(unsigned int irq)
+{
+	return 0;
+}
+
+struct legacy_pic null_legacy_pic = {
+	.nr_legacy_irqs = 0,
+	.chip = &dummy_pic_chip,
+	.mask_all = legacy_pic_noop,
+	.restore_mask = legacy_pic_noop,
+	.init = legacy_pic_int_noop,
+	.irq_pending = legacy_pic_irq_pending_noop,
+	.make_irq = legacy_pic_uint_noop,
+};
+
+struct legacy_pic default_legacy_pic = {
+	.nr_legacy_irqs = NR_IRQS_LEGACY,
+	.chip  = &i8259A_chip,
+	.mask_all  = mask_8259A,
+	.restore_mask = unmask_8259A,
+	.init = init_8259A,
+	.irq_pending = i8259A_irq_pending,
+	.make_irq = make_8259A_irq,
+};
+
+struct legacy_pic *legacy_pic = &default_legacy_pic;
diff --git a/arch/x86/kernel/irqinit.c b/arch/x86/kernel/irqinit.c
index d5932226614f..f01d390f9c5b 100644
--- a/arch/x86/kernel/irqinit.c
+++ b/arch/x86/kernel/irqinit.c
@@ -84,24 +84,7 @@ static struct irqaction irq2 = {
 };
 
 DEFINE_PER_CPU(vector_irq_t, vector_irq) = {
-	[0 ... IRQ0_VECTOR - 1] = -1,
-	[IRQ0_VECTOR] = 0,
-	[IRQ1_VECTOR] = 1,
-	[IRQ2_VECTOR] = 2,
-	[IRQ3_VECTOR] = 3,
-	[IRQ4_VECTOR] = 4,
-	[IRQ5_VECTOR] = 5,
-	[IRQ6_VECTOR] = 6,
-	[IRQ7_VECTOR] = 7,
-	[IRQ8_VECTOR] = 8,
-	[IRQ9_VECTOR] = 9,
-	[IRQ10_VECTOR] = 10,
-	[IRQ11_VECTOR] = 11,
-	[IRQ12_VECTOR] = 12,
-	[IRQ13_VECTOR] = 13,
-	[IRQ14_VECTOR] = 14,
-	[IRQ15_VECTOR] = 15,
-	[IRQ15_VECTOR + 1 ... NR_VECTORS - 1] = -1
+	[0 ... NR_VECTORS - 1] = -1,
 };
 
 int vector_used_by_percpu_irq(unsigned int vector)
@@ -123,12 +106,12 @@ void __init init_ISA_irqs(void)
 #if defined(CONFIG_X86_64) || defined(CONFIG_X86_LOCAL_APIC)
 	init_bsp_APIC();
 #endif
-	init_8259A(0);
+	legacy_pic->init(0);
 
 	/*
 	 * 16 old-style INTA-cycle interrupts:
 	 */
-	for (i = 0; i < NR_IRQS_LEGACY; i++) {
+	for (i = 0; i < legacy_pic->nr_legacy_irqs; i++) {
 		struct irq_desc *desc = irq_to_desc(i);
 
 		desc->status = IRQ_DISABLED;
@@ -142,9 +125,44 @@ void __init init_ISA_irqs(void)
 
 void __init init_IRQ(void)
 {
+	int i;
+
+	/*
+	 * On cpu 0, Assign IRQ0_VECTOR..IRQ15_VECTOR's to IRQ 0..15.
+	 * If these IRQ's are handled by legacy interrupt-controllers like PIC,
+	 * then this configuration will likely be static after the boot. If
+	 * these IRQ's are handled by more mordern controllers like IO-APIC,
+	 * then this vector space can be freed and re-used dynamically as the
+	 * irq's migrate etc.
+	 */
+	for (i = 0; i < legacy_pic->nr_legacy_irqs; i++)
+		per_cpu(vector_irq, 0)[IRQ0_VECTOR + i] = i;
+
 	x86_init.irqs.intr_init();
 }
 
+/*
+ * Setup the vector to irq mappings.
+ */
+void setup_vector_irq(int cpu)
+{
+#ifndef CONFIG_X86_IO_APIC
+	int irq;
+
+	/*
+	 * On most of the platforms, legacy PIC delivers the interrupts on the
+	 * boot cpu. But there are certain platforms where PIC interrupts are
+	 * delivered to multiple cpu's. If the legacy IRQ is handled by the
+	 * legacy PIC, for the new cpu that is coming online, setup the static
+	 * legacy vector to irq mapping:
+	 */
+	for (irq = 0; irq < legacy_pic->nr_legacy_irqs; irq++)
+		per_cpu(vector_irq, cpu)[IRQ0_VECTOR + irq] = irq;
+#endif
+
+	__setup_vector_irq(cpu);
+}
+
 static void __init smp_intr_init(void)
 {
 #ifdef CONFIG_SMP
diff --git a/arch/x86/kernel/k8.c b/arch/x86/kernel/k8.c
index cbc4332a77b2..9b895464dd03 100644
--- a/arch/x86/kernel/k8.c
+++ b/arch/x86/kernel/k8.c
@@ -121,3 +121,17 @@ void k8_flush_garts(void)
 }
 EXPORT_SYMBOL_GPL(k8_flush_garts);
 
+static __init int init_k8_nbs(void)
+{
+	int err = 0;
+
+	err = cache_k8_northbridges();
+
+	if (err < 0)
+		printk(KERN_NOTICE "K8 NB: Cannot enumerate AMD northbridges.\n");
+
+	return err;
+}
+
+/* This has to go after the PCI subsystem */
+fs_initcall(init_k8_nbs);
diff --git a/arch/x86/kernel/kprobes.c b/arch/x86/kernel/kprobes.c
index 5de9f4a9c3fd..b43bbaebe2c0 100644
--- a/arch/x86/kernel/kprobes.c
+++ b/arch/x86/kernel/kprobes.c
@@ -49,6 +49,7 @@
 #include <linux/module.h>
 #include <linux/kdebug.h>
 #include <linux/kallsyms.h>
+#include <linux/ftrace.h>
 
 #include <asm/cacheflush.h>
 #include <asm/desc.h>
@@ -106,16 +107,22 @@ struct kretprobe_blackpoint kretprobe_blacklist[] = {
 };
 const int kretprobe_blacklist_size = ARRAY_SIZE(kretprobe_blacklist);
 
-/* Insert a jump instruction at address 'from', which jumps to address 'to'.*/
-static void __kprobes set_jmp_op(void *from, void *to)
+static void __kprobes __synthesize_relative_insn(void *from, void *to, u8 op)
 {
-	struct __arch_jmp_op {
-		char op;
+	struct __arch_relative_insn {
+		u8 op;
 		s32 raddr;
-	} __attribute__((packed)) * jop;
-	jop = (struct __arch_jmp_op *)from;
-	jop->raddr = (s32)((long)(to) - ((long)(from) + 5));
-	jop->op = RELATIVEJUMP_INSTRUCTION;
+	} __attribute__((packed)) *insn;
+
+	insn = (struct __arch_relative_insn *)from;
+	insn->raddr = (s32)((long)(to) - ((long)(from) + 5));
+	insn->op = op;
+}
+
+/* Insert a jump instruction at address 'from', which jumps to address 'to'.*/
+static void __kprobes synthesize_reljump(void *from, void *to)
+{
+	__synthesize_relative_insn(from, to, RELATIVEJUMP_OPCODE);
 }
 
 /*
@@ -202,7 +209,7 @@ static int recover_probed_instruction(kprobe_opcode_t *buf, unsigned long addr)
 	/*
 	 *  Basically, kp->ainsn.insn has an original instruction.
 	 *  However, RIP-relative instruction can not do single-stepping
-	 *  at different place, fix_riprel() tweaks the displacement of
+	 *  at different place, __copy_instruction() tweaks the displacement of
 	 *  that instruction. In that case, we can't recover the instruction
 	 *  from the kp->ainsn.insn.
 	 *
@@ -284,21 +291,37 @@ static int __kprobes is_IF_modifier(kprobe_opcode_t *insn)
 }
 
 /*
- * Adjust the displacement if the instruction uses the %rip-relative
- * addressing mode.
+ * Copy an instruction and adjust the displacement if the instruction
+ * uses the %rip-relative addressing mode.
  * If it does, Return the address of the 32-bit displacement word.
  * If not, return null.
  * Only applicable to 64-bit x86.
  */
-static void __kprobes fix_riprel(struct kprobe *p)
+static int __kprobes __copy_instruction(u8 *dest, u8 *src, int recover)
 {
-#ifdef CONFIG_X86_64
 	struct insn insn;
-	kernel_insn_init(&insn, p->ainsn.insn);
+	int ret;
+	kprobe_opcode_t buf[MAX_INSN_SIZE];
 
+	kernel_insn_init(&insn, src);
+	if (recover) {
+		insn_get_opcode(&insn);
+		if (insn.opcode.bytes[0] == BREAKPOINT_INSTRUCTION) {
+			ret = recover_probed_instruction(buf,
+							 (unsigned long)src);
+			if (ret)
+				return 0;
+			kernel_insn_init(&insn, buf);
+		}
+	}
+	insn_get_length(&insn);
+	memcpy(dest, insn.kaddr, insn.length);
+
+#ifdef CONFIG_X86_64
 	if (insn_rip_relative(&insn)) {
 		s64 newdisp;
 		u8 *disp;
+		kernel_insn_init(&insn, dest);
 		insn_get_displacement(&insn);
 		/*
 		 * The copied instruction uses the %rip-relative addressing
@@ -312,20 +335,23 @@ static void __kprobes fix_riprel(struct kprobe *p)
 		 * extension of the original signed 32-bit displacement would
 		 * have given.
 		 */
-		newdisp = (u8 *) p->addr + (s64) insn.displacement.value -
-			  (u8 *) p->ainsn.insn;
+		newdisp = (u8 *) src + (s64) insn.displacement.value -
+			  (u8 *) dest;
 		BUG_ON((s64) (s32) newdisp != newdisp); /* Sanity check.  */
-		disp = (u8 *) p->ainsn.insn + insn_offset_displacement(&insn);
+		disp = (u8 *) dest + insn_offset_displacement(&insn);
 		*(s32 *) disp = (s32) newdisp;
 	}
 #endif
+	return insn.length;
 }
 
 static void __kprobes arch_copy_kprobe(struct kprobe *p)
 {
-	memcpy(p->ainsn.insn, p->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t));
-
-	fix_riprel(p);
+	/*
+	 * Copy an instruction without recovering int3, because it will be
+	 * put by another subsystem.
+	 */
+	__copy_instruction(p->ainsn.insn, p->addr, 0);
 
 	if (can_boost(p->addr))
 		p->ainsn.boostable = 0;
@@ -406,18 +432,6 @@ static void __kprobes restore_btf(void)
 		update_debugctlmsr(current->thread.debugctlmsr);
 }
 
-static void __kprobes prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
-{
-	clear_btf();
-	regs->flags |= X86_EFLAGS_TF;
-	regs->flags &= ~X86_EFLAGS_IF;
-	/* single step inline if the instruction is an int3 */
-	if (p->opcode == BREAKPOINT_INSTRUCTION)
-		regs->ip = (unsigned long)p->addr;
-	else
-		regs->ip = (unsigned long)p->ainsn.insn;
-}
-
 void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,
 				      struct pt_regs *regs)
 {
@@ -429,20 +443,50 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri,
 	*sara = (unsigned long) &kretprobe_trampoline;
 }
 
+#ifdef CONFIG_OPTPROBES
+static int  __kprobes setup_detour_execution(struct kprobe *p,
+					     struct pt_regs *regs,
+					     int reenter);
+#else
+#define setup_detour_execution(p, regs, reenter) (0)
+#endif
+
 static void __kprobes setup_singlestep(struct kprobe *p, struct pt_regs *regs,
-				       struct kprobe_ctlblk *kcb)
+				       struct kprobe_ctlblk *kcb, int reenter)
 {
+	if (setup_detour_execution(p, regs, reenter))
+		return;
+
 #if !defined(CONFIG_PREEMPT)
 	if (p->ainsn.boostable == 1 && !p->post_handler) {
 		/* Boost up -- we can execute copied instructions directly */
-		reset_current_kprobe();
+		if (!reenter)
+			reset_current_kprobe();
+		/*
+		 * Reentering boosted probe doesn't reset current_kprobe,
+		 * nor set current_kprobe, because it doesn't use single
+		 * stepping.
+		 */
 		regs->ip = (unsigned long)p->ainsn.insn;
 		preempt_enable_no_resched();
 		return;
 	}
 #endif
-	prepare_singlestep(p, regs);
-	kcb->kprobe_status = KPROBE_HIT_SS;
+	if (reenter) {
+		save_previous_kprobe(kcb);
+		set_current_kprobe(p, regs, kcb);
+		kcb->kprobe_status = KPROBE_REENTER;
+	} else
+		kcb->kprobe_status = KPROBE_HIT_SS;
+	/* Prepare real single stepping */
+	clear_btf();
+	regs->flags |= X86_EFLAGS_TF;
+	regs->flags &= ~X86_EFLAGS_IF;
+	/* single step inline if the instruction is an int3 */
+	if (p->opcode == BREAKPOINT_INSTRUCTION)
+		regs->ip = (unsigned long)p->addr;
+	else
+		regs->ip = (unsigned long)p->ainsn.insn;
 }
 
 /*
@@ -456,11 +500,8 @@ static int __kprobes reenter_kprobe(struct kprobe *p, struct pt_regs *regs,
 	switch (kcb->kprobe_status) {
 	case KPROBE_HIT_SSDONE:
 	case KPROBE_HIT_ACTIVE:
-		save_previous_kprobe(kcb);
-		set_current_kprobe(p, regs, kcb);
 		kprobes_inc_nmissed_count(p);
-		prepare_singlestep(p, regs);
-		kcb->kprobe_status = KPROBE_REENTER;
+		setup_singlestep(p, regs, kcb, 1);
 		break;
 	case KPROBE_HIT_SS:
 		/* A probe has been hit in the codepath leading up to, or just
@@ -535,13 +576,13 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
 			 * more here.
 			 */
 			if (!p->pre_handler || !p->pre_handler(p, regs))
-				setup_singlestep(p, regs, kcb);
+				setup_singlestep(p, regs, kcb, 0);
 			return 1;
 		}
 	} else if (kprobe_running()) {
 		p = __get_cpu_var(current_kprobe);
 		if (p->break_handler && p->break_handler(p, regs)) {
-			setup_singlestep(p, regs, kcb);
+			setup_singlestep(p, regs, kcb, 0);
 			return 1;
 		}
 	} /* else: not a kprobe fault; let the kernel handle it */
@@ -550,6 +591,69 @@ static int __kprobes kprobe_handler(struct pt_regs *regs)
 	return 0;
 }
 
+#ifdef CONFIG_X86_64
+#define SAVE_REGS_STRING		\
+	/* Skip cs, ip, orig_ax. */	\
+	"	subq $24, %rsp\n"	\
+	"	pushq %rdi\n"		\
+	"	pushq %rsi\n"		\
+	"	pushq %rdx\n"		\
+	"	pushq %rcx\n"		\
+	"	pushq %rax\n"		\
+	"	pushq %r8\n"		\
+	"	pushq %r9\n"		\
+	"	pushq %r10\n"		\
+	"	pushq %r11\n"		\
+	"	pushq %rbx\n"		\
+	"	pushq %rbp\n"		\
+	"	pushq %r12\n"		\
+	"	pushq %r13\n"		\
+	"	pushq %r14\n"		\
+	"	pushq %r15\n"
+#define RESTORE_REGS_STRING		\
+	"	popq %r15\n"		\
+	"	popq %r14\n"		\
+	"	popq %r13\n"		\
+	"	popq %r12\n"		\
+	"	popq %rbp\n"		\
+	"	popq %rbx\n"		\
+	"	popq %r11\n"		\
+	"	popq %r10\n"		\
+	"	popq %r9\n"		\
+	"	popq %r8\n"		\
+	"	popq %rax\n"		\
+	"	popq %rcx\n"		\
+	"	popq %rdx\n"		\
+	"	popq %rsi\n"		\
+	"	popq %rdi\n"		\
+	/* Skip orig_ax, ip, cs */	\
+	"	addq $24, %rsp\n"
+#else
+#define SAVE_REGS_STRING		\
+	/* Skip cs, ip, orig_ax and gs. */	\
+	"	subl $16, %esp\n"	\
+	"	pushl %fs\n"		\
+	"	pushl %ds\n"		\
+	"	pushl %es\n"		\
+	"	pushl %eax\n"		\
+	"	pushl %ebp\n"		\
+	"	pushl %edi\n"		\
+	"	pushl %esi\n"		\
+	"	pushl %edx\n"		\
+	"	pushl %ecx\n"		\
+	"	pushl %ebx\n"
+#define RESTORE_REGS_STRING		\
+	"	popl %ebx\n"		\
+	"	popl %ecx\n"		\
+	"	popl %edx\n"		\
+	"	popl %esi\n"		\
+	"	popl %edi\n"		\
+	"	popl %ebp\n"		\
+	"	popl %eax\n"		\
+	/* Skip ds, es, fs, gs, orig_ax, and ip. Note: don't pop cs here*/\
+	"	addl $24, %esp\n"
+#endif
+
 /*
  * When a retprobed function returns, this code saves registers and
  * calls trampoline_handler() runs, which calls the kretprobe's handler.
@@ -563,65 +667,16 @@ static void __used __kprobes kretprobe_trampoline_holder(void)
 			/* We don't bother saving the ss register */
 			"	pushq %rsp\n"
 			"	pushfq\n"
-			/*
-			 * Skip cs, ip, orig_ax.
-			 * trampoline_handler() will plug in these values
-			 */
-			"	subq $24, %rsp\n"
-			"	pushq %rdi\n"
-			"	pushq %rsi\n"
-			"	pushq %rdx\n"
-			"	pushq %rcx\n"
-			"	pushq %rax\n"
-			"	pushq %r8\n"
-			"	pushq %r9\n"
-			"	pushq %r10\n"
-			"	pushq %r11\n"
-			"	pushq %rbx\n"
-			"	pushq %rbp\n"
-			"	pushq %r12\n"
-			"	pushq %r13\n"
-			"	pushq %r14\n"
-			"	pushq %r15\n"
+			SAVE_REGS_STRING
 			"	movq %rsp, %rdi\n"
 			"	call trampoline_handler\n"
 			/* Replace saved sp with true return address. */
 			"	movq %rax, 152(%rsp)\n"
-			"	popq %r15\n"
-			"	popq %r14\n"
-			"	popq %r13\n"
-			"	popq %r12\n"
-			"	popq %rbp\n"
-			"	popq %rbx\n"
-			"	popq %r11\n"
-			"	popq %r10\n"
-			"	popq %r9\n"
-			"	popq %r8\n"
-			"	popq %rax\n"
-			"	popq %rcx\n"
-			"	popq %rdx\n"
-			"	popq %rsi\n"
-			"	popq %rdi\n"
-			/* Skip orig_ax, ip, cs */
-			"	addq $24, %rsp\n"
+			RESTORE_REGS_STRING
 			"	popfq\n"
 #else
 			"	pushf\n"
-			/*
-			 * Skip cs, ip, orig_ax and gs.
-			 * trampoline_handler() will plug in these values
-			 */
-			"	subl $16, %esp\n"
-			"	pushl %fs\n"
-			"	pushl %es\n"
-			"	pushl %ds\n"
-			"	pushl %eax\n"
-			"	pushl %ebp\n"
-			"	pushl %edi\n"
-			"	pushl %esi\n"
-			"	pushl %edx\n"
-			"	pushl %ecx\n"
-			"	pushl %ebx\n"
+			SAVE_REGS_STRING
 			"	movl %esp, %eax\n"
 			"	call trampoline_handler\n"
 			/* Move flags to cs */
@@ -629,15 +684,7 @@ static void __used __kprobes kretprobe_trampoline_holder(void)
 			"	movl %edx, 52(%esp)\n"
 			/* Replace saved flags with true return address. */
 			"	movl %eax, 56(%esp)\n"
-			"	popl %ebx\n"
-			"	popl %ecx\n"
-			"	popl %edx\n"
-			"	popl %esi\n"
-			"	popl %edi\n"
-			"	popl %ebp\n"
-			"	popl %eax\n"
-			/* Skip ds, es, fs, gs, orig_ax and ip */
-			"	addl $24, %esp\n"
+			RESTORE_REGS_STRING
 			"	popf\n"
 #endif
 			"	ret\n");
@@ -805,8 +852,8 @@ static void __kprobes resume_execution(struct kprobe *p,
 			 * These instructions can be executed directly if it
 			 * jumps back to correct address.
 			 */
-			set_jmp_op((void *)regs->ip,
-				   (void *)orig_ip + (regs->ip - copy_ip));
+			synthesize_reljump((void *)regs->ip,
+				(void *)orig_ip + (regs->ip - copy_ip));
 			p->ainsn.boostable = 1;
 		} else {
 			p->ainsn.boostable = -1;
@@ -1033,6 +1080,358 @@ int __kprobes longjmp_break_handler(struct kprobe *p, struct pt_regs *regs)
 	return 0;
 }
 
+
+#ifdef CONFIG_OPTPROBES
+
+/* Insert a call instruction at address 'from', which calls address 'to'.*/
+static void __kprobes synthesize_relcall(void *from, void *to)
+{
+	__synthesize_relative_insn(from, to, RELATIVECALL_OPCODE);
+}
+
+/* Insert a move instruction which sets a pointer to eax/rdi (1st arg). */
+static void __kprobes synthesize_set_arg1(kprobe_opcode_t *addr,
+					  unsigned long val)
+{
+#ifdef CONFIG_X86_64
+	*addr++ = 0x48;
+	*addr++ = 0xbf;
+#else
+	*addr++ = 0xb8;
+#endif
+	*(unsigned long *)addr = val;
+}
+
+void __kprobes kprobes_optinsn_template_holder(void)
+{
+	asm volatile (
+			".global optprobe_template_entry\n"
+			"optprobe_template_entry: \n"
+#ifdef CONFIG_X86_64
+			/* We don't bother saving the ss register */
+			"	pushq %rsp\n"
+			"	pushfq\n"
+			SAVE_REGS_STRING
+			"	movq %rsp, %rsi\n"
+			".global optprobe_template_val\n"
+			"optprobe_template_val: \n"
+			ASM_NOP5
+			ASM_NOP5
+			".global optprobe_template_call\n"
+			"optprobe_template_call: \n"
+			ASM_NOP5
+			/* Move flags to rsp */
+			"	movq 144(%rsp), %rdx\n"
+			"	movq %rdx, 152(%rsp)\n"
+			RESTORE_REGS_STRING
+			/* Skip flags entry */
+			"	addq $8, %rsp\n"
+			"	popfq\n"
+#else /* CONFIG_X86_32 */
+			"	pushf\n"
+			SAVE_REGS_STRING
+			"	movl %esp, %edx\n"
+			".global optprobe_template_val\n"
+			"optprobe_template_val: \n"
+			ASM_NOP5
+			".global optprobe_template_call\n"
+			"optprobe_template_call: \n"
+			ASM_NOP5
+			RESTORE_REGS_STRING
+			"	addl $4, %esp\n"	/* skip cs */
+			"	popf\n"
+#endif
+			".global optprobe_template_end\n"
+			"optprobe_template_end: \n");
+}
+
+#define TMPL_MOVE_IDX \
+	((long)&optprobe_template_val - (long)&optprobe_template_entry)
+#define TMPL_CALL_IDX \
+	((long)&optprobe_template_call - (long)&optprobe_template_entry)
+#define TMPL_END_IDX \
+	((long)&optprobe_template_end - (long)&optprobe_template_entry)
+
+#define INT3_SIZE sizeof(kprobe_opcode_t)
+
+/* Optimized kprobe call back function: called from optinsn */
+static void __kprobes optimized_callback(struct optimized_kprobe *op,
+					 struct pt_regs *regs)
+{
+	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+
+	preempt_disable();
+	if (kprobe_running()) {
+		kprobes_inc_nmissed_count(&op->kp);
+	} else {
+		/* Save skipped registers */
+#ifdef CONFIG_X86_64
+		regs->cs = __KERNEL_CS;
+#else
+		regs->cs = __KERNEL_CS | get_kernel_rpl();
+		regs->gs = 0;
+#endif
+		regs->ip = (unsigned long)op->kp.addr + INT3_SIZE;
+		regs->orig_ax = ~0UL;
+
+		__get_cpu_var(current_kprobe) = &op->kp;
+		kcb->kprobe_status = KPROBE_HIT_ACTIVE;
+		opt_pre_handler(&op->kp, regs);
+		__get_cpu_var(current_kprobe) = NULL;
+	}
+	preempt_enable_no_resched();
+}
+
+static int __kprobes copy_optimized_instructions(u8 *dest, u8 *src)
+{
+	int len = 0, ret;
+
+	while (len < RELATIVEJUMP_SIZE) {
+		ret = __copy_instruction(dest + len, src + len, 1);
+		if (!ret || !can_boost(dest + len))
+			return -EINVAL;
+		len += ret;
+	}
+	/* Check whether the address range is reserved */
+	if (ftrace_text_reserved(src, src + len - 1) ||
+	    alternatives_text_reserved(src, src + len - 1))
+		return -EBUSY;
+
+	return len;
+}
+
+/* Check whether insn is indirect jump */
+static int __kprobes insn_is_indirect_jump(struct insn *insn)
+{
+	return ((insn->opcode.bytes[0] == 0xff &&
+		(X86_MODRM_REG(insn->modrm.value) & 6) == 4) || /* Jump */
+		insn->opcode.bytes[0] == 0xea);	/* Segment based jump */
+}
+
+/* Check whether insn jumps into specified address range */
+static int insn_jump_into_range(struct insn *insn, unsigned long start, int len)
+{
+	unsigned long target = 0;
+
+	switch (insn->opcode.bytes[0]) {
+	case 0xe0:	/* loopne */
+	case 0xe1:	/* loope */
+	case 0xe2:	/* loop */
+	case 0xe3:	/* jcxz */
+	case 0xe9:	/* near relative jump */
+	case 0xeb:	/* short relative jump */
+		break;
+	case 0x0f:
+		if ((insn->opcode.bytes[1] & 0xf0) == 0x80) /* jcc near */
+			break;
+		return 0;
+	default:
+		if ((insn->opcode.bytes[0] & 0xf0) == 0x70) /* jcc short */
+			break;
+		return 0;
+	}
+	target = (unsigned long)insn->next_byte + insn->immediate.value;
+
+	return (start <= target && target <= start + len);
+}
+
+/* Decode whole function to ensure any instructions don't jump into target */
+static int __kprobes can_optimize(unsigned long paddr)
+{
+	int ret;
+	unsigned long addr, size = 0, offset = 0;
+	struct insn insn;
+	kprobe_opcode_t buf[MAX_INSN_SIZE];
+	/* Dummy buffers for lookup_symbol_attrs */
+	static char __dummy_buf[KSYM_NAME_LEN];
+
+	/* Lookup symbol including addr */
+	if (!kallsyms_lookup(paddr, &size, &offset, NULL, __dummy_buf))
+		return 0;
+
+	/* Check there is enough space for a relative jump. */
+	if (size - offset < RELATIVEJUMP_SIZE)
+		return 0;
+
+	/* Decode instructions */
+	addr = paddr - offset;
+	while (addr < paddr - offset + size) { /* Decode until function end */
+		if (search_exception_tables(addr))
+			/*
+			 * Since some fixup code will jumps into this function,
+			 * we can't optimize kprobe in this function.
+			 */
+			return 0;
+		kernel_insn_init(&insn, (void *)addr);
+		insn_get_opcode(&insn);
+		if (insn.opcode.bytes[0] == BREAKPOINT_INSTRUCTION) {
+			ret = recover_probed_instruction(buf, addr);
+			if (ret)
+				return 0;
+			kernel_insn_init(&insn, buf);
+		}
+		insn_get_length(&insn);
+		/* Recover address */
+		insn.kaddr = (void *)addr;
+		insn.next_byte = (void *)(addr + insn.length);
+		/* Check any instructions don't jump into target */
+		if (insn_is_indirect_jump(&insn) ||
+		    insn_jump_into_range(&insn, paddr + INT3_SIZE,
+					 RELATIVE_ADDR_SIZE))
+			return 0;
+		addr += insn.length;
+	}
+
+	return 1;
+}
+
+/* Check optimized_kprobe can actually be optimized. */
+int __kprobes arch_check_optimized_kprobe(struct optimized_kprobe *op)
+{
+	int i;
+	struct kprobe *p;
+
+	for (i = 1; i < op->optinsn.size; i++) {
+		p = get_kprobe(op->kp.addr + i);
+		if (p && !kprobe_disabled(p))
+			return -EEXIST;
+	}
+
+	return 0;
+}
+
+/* Check the addr is within the optimized instructions. */
+int __kprobes arch_within_optimized_kprobe(struct optimized_kprobe *op,
+					   unsigned long addr)
+{
+	return ((unsigned long)op->kp.addr <= addr &&
+		(unsigned long)op->kp.addr + op->optinsn.size > addr);
+}
+
+/* Free optimized instruction slot */
+static __kprobes
+void __arch_remove_optimized_kprobe(struct optimized_kprobe *op, int dirty)
+{
+	if (op->optinsn.insn) {
+		free_optinsn_slot(op->optinsn.insn, dirty);
+		op->optinsn.insn = NULL;
+		op->optinsn.size = 0;
+	}
+}
+
+void __kprobes arch_remove_optimized_kprobe(struct optimized_kprobe *op)
+{
+	__arch_remove_optimized_kprobe(op, 1);
+}
+
+/*
+ * Copy replacing target instructions
+ * Target instructions MUST be relocatable (checked inside)
+ */
+int __kprobes arch_prepare_optimized_kprobe(struct optimized_kprobe *op)
+{
+	u8 *buf;
+	int ret;
+	long rel;
+
+	if (!can_optimize((unsigned long)op->kp.addr))
+		return -EILSEQ;
+
+	op->optinsn.insn = get_optinsn_slot();
+	if (!op->optinsn.insn)
+		return -ENOMEM;
+
+	/*
+	 * Verify if the address gap is in 2GB range, because this uses
+	 * a relative jump.
+	 */
+	rel = (long)op->optinsn.insn - (long)op->kp.addr + RELATIVEJUMP_SIZE;
+	if (abs(rel) > 0x7fffffff)
+		return -ERANGE;
+
+	buf = (u8 *)op->optinsn.insn;
+
+	/* Copy instructions into the out-of-line buffer */
+	ret = copy_optimized_instructions(buf + TMPL_END_IDX, op->kp.addr);
+	if (ret < 0) {
+		__arch_remove_optimized_kprobe(op, 0);
+		return ret;
+	}
+	op->optinsn.size = ret;
+
+	/* Copy arch-dep-instance from template */
+	memcpy(buf, &optprobe_template_entry, TMPL_END_IDX);
+
+	/* Set probe information */
+	synthesize_set_arg1(buf + TMPL_MOVE_IDX, (unsigned long)op);
+
+	/* Set probe function call */
+	synthesize_relcall(buf + TMPL_CALL_IDX, optimized_callback);
+
+	/* Set returning jmp instruction at the tail of out-of-line buffer */
+	synthesize_reljump(buf + TMPL_END_IDX + op->optinsn.size,
+			   (u8 *)op->kp.addr + op->optinsn.size);
+
+	flush_icache_range((unsigned long) buf,
+			   (unsigned long) buf + TMPL_END_IDX +
+			   op->optinsn.size + RELATIVEJUMP_SIZE);
+	return 0;
+}
+
+/* Replace a breakpoint (int3) with a relative jump.  */
+int __kprobes arch_optimize_kprobe(struct optimized_kprobe *op)
+{
+	unsigned char jmp_code[RELATIVEJUMP_SIZE];
+	s32 rel = (s32)((long)op->optinsn.insn -
+			((long)op->kp.addr + RELATIVEJUMP_SIZE));
+
+	/* Backup instructions which will be replaced by jump address */
+	memcpy(op->optinsn.copied_insn, op->kp.addr + INT3_SIZE,
+	       RELATIVE_ADDR_SIZE);
+
+	jmp_code[0] = RELATIVEJUMP_OPCODE;
+	*(s32 *)(&jmp_code[1]) = rel;
+
+	/*
+	 * text_poke_smp doesn't support NMI/MCE code modifying.
+	 * However, since kprobes itself also doesn't support NMI/MCE
+	 * code probing, it's not a problem.
+	 */
+	text_poke_smp(op->kp.addr, jmp_code, RELATIVEJUMP_SIZE);
+	return 0;
+}
+
+/* Replace a relative jump with a breakpoint (int3).  */
+void __kprobes arch_unoptimize_kprobe(struct optimized_kprobe *op)
+{
+	u8 buf[RELATIVEJUMP_SIZE];
+
+	/* Set int3 to first byte for kprobes */
+	buf[0] = BREAKPOINT_INSTRUCTION;
+	memcpy(buf + 1, op->optinsn.copied_insn, RELATIVE_ADDR_SIZE);
+	text_poke_smp(op->kp.addr, buf, RELATIVEJUMP_SIZE);
+}
+
+static int  __kprobes setup_detour_execution(struct kprobe *p,
+					     struct pt_regs *regs,
+					     int reenter)
+{
+	struct optimized_kprobe *op;
+
+	if (p->flags & KPROBE_FLAG_OPTIMIZED) {
+		/* This kprobe is really able to run optimized path. */
+		op = container_of(p, struct optimized_kprobe, kp);
+		/* Detour through copied instructions */
+		regs->ip = (unsigned long)op->optinsn.insn + TMPL_END_IDX;
+		if (!reenter)
+			reset_current_kprobe();
+		preempt_enable_no_resched();
+		return 1;
+	}
+	return 0;
+}
+#endif
+
 int __init arch_init_kprobes(void)
 {
 	return 0;
diff --git a/arch/x86/kernel/mmconf-fam10h_64.c b/arch/x86/kernel/mmconf-fam10h_64.c
index 712d15fdc416..71825806cd44 100644
--- a/arch/x86/kernel/mmconf-fam10h_64.c
+++ b/arch/x86/kernel/mmconf-fam10h_64.c
@@ -7,6 +7,8 @@
 #include <linux/string.h>
 #include <linux/pci.h>
 #include <linux/dmi.h>
+#include <linux/range.h>
+
 #include <asm/pci-direct.h>
 #include <linux/sort.h>
 #include <asm/io.h>
@@ -30,11 +32,6 @@ static struct pci_hostbridge_probe pci_probes[] __cpuinitdata = {
 	{ 0xff, 0, PCI_VENDOR_ID_AMD, 0x1200 },
 };
 
-struct range {
-	u64 start;
-	u64 end;
-};
-
 static int __cpuinit cmp_range(const void *x1, const void *x2)
 {
 	const struct range *r1 = x1;
diff --git a/arch/x86/kernel/mrst.c b/arch/x86/kernel/mrst.c
index 3b7078abc871..0aad8670858e 100644
--- a/arch/x86/kernel/mrst.c
+++ b/arch/x86/kernel/mrst.c
@@ -10,8 +10,211 @@
  * of the License.
  */
 #include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sfi.h>
+#include <linux/irq.h>
+#include <linux/module.h>
 
 #include <asm/setup.h>
+#include <asm/mpspec_def.h>
+#include <asm/hw_irq.h>
+#include <asm/apic.h>
+#include <asm/io_apic.h>
+#include <asm/mrst.h>
+#include <asm/io.h>
+#include <asm/i8259.h>
+#include <asm/apb_timer.h>
+
+static u32 sfi_mtimer_usage[SFI_MTMR_MAX_NUM];
+static struct sfi_timer_table_entry sfi_mtimer_array[SFI_MTMR_MAX_NUM];
+int sfi_mtimer_num;
+
+struct sfi_rtc_table_entry sfi_mrtc_array[SFI_MRTC_MAX];
+EXPORT_SYMBOL_GPL(sfi_mrtc_array);
+int sfi_mrtc_num;
+
+static inline void assign_to_mp_irq(struct mpc_intsrc *m,
+				    struct mpc_intsrc *mp_irq)
+{
+	memcpy(mp_irq, m, sizeof(struct mpc_intsrc));
+}
+
+static inline int mp_irq_cmp(struct mpc_intsrc *mp_irq,
+				struct mpc_intsrc *m)
+{
+	return memcmp(mp_irq, m, sizeof(struct mpc_intsrc));
+}
+
+static void save_mp_irq(struct mpc_intsrc *m)
+{
+	int i;
+
+	for (i = 0; i < mp_irq_entries; i++) {
+		if (!mp_irq_cmp(&mp_irqs[i], m))
+			return;
+	}
+
+	assign_to_mp_irq(m, &mp_irqs[mp_irq_entries]);
+	if (++mp_irq_entries == MAX_IRQ_SOURCES)
+		panic("Max # of irq sources exceeded!!\n");
+}
+
+/* parse all the mtimer info to a static mtimer array */
+static int __init sfi_parse_mtmr(struct sfi_table_header *table)
+{
+	struct sfi_table_simple *sb;
+	struct sfi_timer_table_entry *pentry;
+	struct mpc_intsrc mp_irq;
+	int totallen;
+
+	sb = (struct sfi_table_simple *)table;
+	if (!sfi_mtimer_num) {
+		sfi_mtimer_num = SFI_GET_NUM_ENTRIES(sb,
+					struct sfi_timer_table_entry);
+		pentry = (struct sfi_timer_table_entry *) sb->pentry;
+		totallen = sfi_mtimer_num * sizeof(*pentry);
+		memcpy(sfi_mtimer_array, pentry, totallen);
+	}
+
+	printk(KERN_INFO "SFI: MTIMER info (num = %d):\n", sfi_mtimer_num);
+	pentry = sfi_mtimer_array;
+	for (totallen = 0; totallen < sfi_mtimer_num; totallen++, pentry++) {
+		printk(KERN_INFO "timer[%d]: paddr = 0x%08x, freq = %dHz,"
+			" irq = %d\n", totallen, (u32)pentry->phys_addr,
+			pentry->freq_hz, pentry->irq);
+			if (!pentry->irq)
+				continue;
+			mp_irq.type = MP_IOAPIC;
+			mp_irq.irqtype = mp_INT;
+/* triggering mode edge bit 2-3, active high polarity bit 0-1 */
+			mp_irq.irqflag = 5;
+			mp_irq.srcbus = 0;
+			mp_irq.srcbusirq = pentry->irq;	/* IRQ */
+			mp_irq.dstapic = MP_APIC_ALL;
+			mp_irq.dstirq = pentry->irq;
+			save_mp_irq(&mp_irq);
+	}
+
+	return 0;
+}
+
+struct sfi_timer_table_entry *sfi_get_mtmr(int hint)
+{
+	int i;
+	if (hint < sfi_mtimer_num) {
+		if (!sfi_mtimer_usage[hint]) {
+			pr_debug("hint taken for timer %d irq %d\n",\
+				hint, sfi_mtimer_array[hint].irq);
+			sfi_mtimer_usage[hint] = 1;
+			return &sfi_mtimer_array[hint];
+		}
+	}
+	/* take the first timer available */
+	for (i = 0; i < sfi_mtimer_num;) {
+		if (!sfi_mtimer_usage[i]) {
+			sfi_mtimer_usage[i] = 1;
+			return &sfi_mtimer_array[i];
+		}
+		i++;
+	}
+	return NULL;
+}
+
+void sfi_free_mtmr(struct sfi_timer_table_entry *mtmr)
+{
+	int i;
+	for (i = 0; i < sfi_mtimer_num;) {
+		if (mtmr->irq == sfi_mtimer_array[i].irq) {
+			sfi_mtimer_usage[i] = 0;
+			return;
+		}
+		i++;
+	}
+}
+
+/* parse all the mrtc info to a global mrtc array */
+int __init sfi_parse_mrtc(struct sfi_table_header *table)
+{
+	struct sfi_table_simple *sb;
+	struct sfi_rtc_table_entry *pentry;
+	struct mpc_intsrc mp_irq;
+
+	int totallen;
+
+	sb = (struct sfi_table_simple *)table;
+	if (!sfi_mrtc_num) {
+		sfi_mrtc_num = SFI_GET_NUM_ENTRIES(sb,
+						struct sfi_rtc_table_entry);
+		pentry = (struct sfi_rtc_table_entry *)sb->pentry;
+		totallen = sfi_mrtc_num * sizeof(*pentry);
+		memcpy(sfi_mrtc_array, pentry, totallen);
+	}
+
+	printk(KERN_INFO "SFI: RTC info (num = %d):\n", sfi_mrtc_num);
+	pentry = sfi_mrtc_array;
+	for (totallen = 0; totallen < sfi_mrtc_num; totallen++, pentry++) {
+		printk(KERN_INFO "RTC[%d]: paddr = 0x%08x, irq = %d\n",
+			totallen, (u32)pentry->phys_addr, pentry->irq);
+		mp_irq.type = MP_IOAPIC;
+		mp_irq.irqtype = mp_INT;
+		mp_irq.irqflag = 0;
+		mp_irq.srcbus = 0;
+		mp_irq.srcbusirq = pentry->irq;	/* IRQ */
+		mp_irq.dstapic = MP_APIC_ALL;
+		mp_irq.dstirq = pentry->irq;
+		save_mp_irq(&mp_irq);
+	}
+	return 0;
+}
+
+/*
+ * the secondary clock in Moorestown can be APBT or LAPIC clock, default to
+ * APBT but cmdline option can also override it.
+ */
+static void __cpuinit mrst_setup_secondary_clock(void)
+{
+	/* restore default lapic clock if disabled by cmdline */
+	if (disable_apbt_percpu)
+		return setup_secondary_APIC_clock();
+	apbt_setup_secondary_clock();
+}
+
+static unsigned long __init mrst_calibrate_tsc(void)
+{
+	unsigned long flags, fast_calibrate;
+
+	local_irq_save(flags);
+	fast_calibrate = apbt_quick_calibrate();
+	local_irq_restore(flags);
+
+	if (fast_calibrate)
+		return fast_calibrate;
+
+	return 0;
+}
+
+void __init mrst_time_init(void)
+{
+	sfi_table_parse(SFI_SIG_MTMR, NULL, NULL, sfi_parse_mtmr);
+	pre_init_apic_IRQ0();
+	apbt_time_init();
+}
+
+void __init mrst_rtc_init(void)
+{
+	sfi_table_parse(SFI_SIG_MRTC, NULL, NULL, sfi_parse_mrtc);
+}
+
+/*
+ * if we use per cpu apb timer, the bootclock already setup. if we use lapic
+ * timer and one apbt timer for broadcast, we need to set up lapic boot clock.
+ */
+static void __init mrst_setup_boot_clock(void)
+{
+	pr_info("%s: per cpu apbt flag %d \n", __func__, disable_apbt_percpu);
+	if (disable_apbt_percpu)
+		setup_boot_APIC_clock();
+};
 
 /*
  * Moorestown specific x86_init function overrides and early setup
@@ -21,4 +224,17 @@ void __init x86_mrst_early_setup(void)
 {
 	x86_init.resources.probe_roms = x86_init_noop;
 	x86_init.resources.reserve_resources = x86_init_noop;
+
+	x86_init.timers.timer_init = mrst_time_init;
+	x86_init.timers.setup_percpu_clockev = mrst_setup_boot_clock;
+
+	x86_init.irqs.pre_vector_init = x86_init_noop;
+
+	x86_cpuinit.setup_percpu_clockev = mrst_setup_secondary_clock;
+
+	x86_platform.calibrate_tsc = mrst_calibrate_tsc;
+	x86_init.pci.init = pci_mrst_init;
+	x86_init.pci.fixup_irqs = x86_init_noop;
+
+	legacy_pic = &null_legacy_pic;
 }
diff --git a/arch/x86/kernel/olpc.c b/arch/x86/kernel/olpc.c
index 9d1d263f786f..8297160c41b3 100644
--- a/arch/x86/kernel/olpc.c
+++ b/arch/x86/kernel/olpc.c
@@ -17,7 +17,9 @@
 #include <linux/spinlock.h>
 #include <linux/io.h>
 #include <linux/string.h>
+
 #include <asm/geode.h>
+#include <asm/setup.h>
 #include <asm/olpc.h>
 
 #ifdef CONFIG_OPEN_FIRMWARE
@@ -243,9 +245,11 @@ static int __init olpc_init(void)
 	olpc_ec_cmd(EC_FIRMWARE_REV, NULL, 0,
 			(unsigned char *) &olpc_platform_info.ecver, 1);
 
-	/* check to see if the VSA exists */
-	if (cs5535_has_vsa2())
-		olpc_platform_info.flags |= OLPC_F_VSA;
+#ifdef CONFIG_PCI_OLPC
+	/* If the VSA exists let it emulate PCI, if not emulate in kernel */
+	if (!cs5535_has_vsa2())
+		x86_init.pci.arch_init = pci_olpc_init;
+#endif
 
 	printk(KERN_INFO "OLPC board revision %s%X (EC=%x)\n",
 			((olpc_platform_info.boardrev & 0xf) < 8) ? "pre" : "",
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 1b1739d16310..1db183ed7c01 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -428,10 +428,6 @@ struct pv_mmu_ops pv_mmu_ops = {
 	.ptep_modify_prot_start = __ptep_modify_prot_start,
 	.ptep_modify_prot_commit = __ptep_modify_prot_commit,
 
-#ifdef CONFIG_HIGHPTE
-	.kmap_atomic_pte = kmap_atomic,
-#endif
-
 #if PAGETABLE_LEVELS >= 3
 #ifdef CONFIG_X86_PAE
 	.set_pte_atomic = native_set_pte_atomic,
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index 2bbde6078143..fb99f7edb341 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -1309,7 +1309,7 @@ static void calgary_init_bitmap_from_tce_table(struct iommu_table *tbl)
 /*
  * get_tce_space_from_tar():
  * Function for kdump case. Get the tce tables from first kernel
- * by reading the contents of the base adress register of calgary iommu
+ * by reading the contents of the base address register of calgary iommu
  */
 static void __init get_tce_space_from_tar(void)
 {
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index 75e14e21f61a..a4ac764a6880 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -38,7 +38,7 @@ int iommu_detected __read_mostly = 0;
  * This variable becomes 1 if iommu=pt is passed on the kernel command line.
  * If this variable is 1, IOMMU implementations do no DMA translation for
  * devices and allow every device to access to whole physical memory. This is
- * useful if a user want to use an IOMMU only for KVM device assignment to
+ * useful if a user wants to use an IOMMU only for KVM device assignment to
  * guests and not for driver dma translation.
  */
 int iommu_pass_through __read_mostly;
@@ -65,7 +65,7 @@ int dma_set_mask(struct device *dev, u64 mask)
 }
 EXPORT_SYMBOL(dma_set_mask);
 
-#ifdef CONFIG_X86_64
+#if defined(CONFIG_X86_64) && !defined(CONFIG_NUMA)
 static __initdata void *dma32_bootmem_ptr;
 static unsigned long dma32_bootmem_size __initdata = (128ULL<<20);
 
@@ -116,14 +116,21 @@ static void __init dma32_free_bootmem(void)
 	dma32_bootmem_ptr = NULL;
 	dma32_bootmem_size = 0;
 }
+#else
+void __init dma32_reserve_bootmem(void)
+{
+}
+static void __init dma32_free_bootmem(void)
+{
+}
+
 #endif
 
 void __init pci_iommu_alloc(void)
 {
-#ifdef CONFIG_X86_64
 	/* free the range so iommu could get some range less than 4G */
 	dma32_free_bootmem();
-#endif
+
 	if (pci_swiotlb_detect())
 		goto out;
 
diff --git a/arch/x86/kernel/pci-gart_64.c b/arch/x86/kernel/pci-gart_64.c
index 34de53b46f87..f3af115a573a 100644
--- a/arch/x86/kernel/pci-gart_64.c
+++ b/arch/x86/kernel/pci-gart_64.c
@@ -735,7 +735,7 @@ int __init gart_iommu_init(void)
 	unsigned long scratch;
 	long i;
 
-	if (cache_k8_northbridges() < 0 || num_k8_northbridges == 0)
+	if (num_k8_northbridges == 0)
 		return 0;
 
 #ifndef CONFIG_AGP_AMD64
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 02d678065d7d..28ad9f4d8b94 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -526,21 +526,37 @@ static int __cpuinit mwait_usable(const struct cpuinfo_x86 *c)
 }
 
 /*
- * Check for AMD CPUs, which have potentially C1E support
+ * Check for AMD CPUs, where APIC timer interrupt does not wake up CPU from C1e.
+ * For more information see
+ * - Erratum #400 for NPT family 0xf and family 0x10 CPUs
+ * - Erratum #365 for family 0x11 (not affected because C1e not in use)
  */
 static int __cpuinit check_c1e_idle(const struct cpuinfo_x86 *c)
 {
+	u64 val;
 	if (c->x86_vendor != X86_VENDOR_AMD)
-		return 0;
-
-	if (c->x86 < 0x0F)
-		return 0;
+		goto no_c1e_idle;
 
 	/* Family 0x0f models < rev F do not have C1E */
-	if (c->x86 == 0x0f && c->x86_model < 0x40)
-		return 0;
+	if (c->x86 == 0x0F && c->x86_model >= 0x40)
+		return 1;
 
-	return 1;
+	if (c->x86 == 0x10) {
+		/*
+		 * check OSVW bit for CPUs that are not affected
+		 * by erratum #400
+		 */
+		rdmsrl(MSR_AMD64_OSVW_ID_LENGTH, val);
+		if (val >= 2) {
+			rdmsrl(MSR_AMD64_OSVW_STATUS, val);
+			if (!(val & BIT(1)))
+				goto no_c1e_idle;
+		}
+		return 1;
+	}
+
+no_c1e_idle:
+	return 0;
 }
 
 static cpumask_var_t c1e_mask;
@@ -607,7 +623,7 @@ void __cpuinit select_idle_routine(const struct cpuinfo_x86 *c)
 {
 #ifdef CONFIG_SMP
 	if (pm_idle == poll_idle && smp_num_siblings > 1) {
-		printk(KERN_WARNING "WARNING: polling idle and HT enabled,"
+		printk_once(KERN_WARNING "WARNING: polling idle and HT enabled,"
 			" performance may degrade.\n");
 	}
 #endif
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index 2d96aab82a48..a503b1fd04e5 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -581,7 +581,7 @@ ptrace_modify_breakpoint(struct perf_event *bp, int len, int type,
 	struct perf_event_attr attr;
 
 	/*
-	 * We shoud have at least an inactive breakpoint at this
+	 * We should have at least an inactive breakpoint at this
 	 * slot. It means the user is writing dr7 without having
 	 * written the address register first
 	 */
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 704bddcdf64d..8e1aac86b50c 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -461,6 +461,14 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "Macmini3,1"),
 		},
 	},
+	{	/* Handle problems with rebooting on the iMac9,1. */
+		.callback = set_pci_reboot,
+		.ident = "Apple iMac9,1",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "iMac9,1"),
+		},
+	},
 	{ }
 };
 
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index cb42109a55b4..d76e18570c60 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -314,16 +314,17 @@ static void __init reserve_brk(void)
 #define MAX_MAP_CHUNK	(NR_FIX_BTMAPS << PAGE_SHIFT)
 static void __init relocate_initrd(void)
 {
-
+	/* Assume only end is not page aligned */
 	u64 ramdisk_image = boot_params.hdr.ramdisk_image;
 	u64 ramdisk_size  = boot_params.hdr.ramdisk_size;
+	u64 area_size     = PAGE_ALIGN(ramdisk_size);
 	u64 end_of_lowmem = max_low_pfn_mapped << PAGE_SHIFT;
 	u64 ramdisk_here;
 	unsigned long slop, clen, mapaddr;
 	char *p, *q;
 
 	/* We need to move the initrd down into lowmem */
-	ramdisk_here = find_e820_area(0, end_of_lowmem, ramdisk_size,
+	ramdisk_here = find_e820_area(0, end_of_lowmem, area_size,
 					 PAGE_SIZE);
 
 	if (ramdisk_here == -1ULL)
@@ -332,7 +333,7 @@ static void __init relocate_initrd(void)
 
 	/* Note: this includes all the lowmem currently occupied by
 	   the initrd, we rely on that fact to keep the data intact. */
-	reserve_early(ramdisk_here, ramdisk_here + ramdisk_size,
+	reserve_early(ramdisk_here, ramdisk_here + area_size,
 			 "NEW RAMDISK");
 	initrd_start = ramdisk_here + PAGE_OFFSET;
 	initrd_end   = initrd_start + ramdisk_size;
@@ -376,9 +377,10 @@ static void __init relocate_initrd(void)
 
 static void __init reserve_initrd(void)
 {
+	/* Assume only end is not page aligned */
 	u64 ramdisk_image = boot_params.hdr.ramdisk_image;
 	u64 ramdisk_size  = boot_params.hdr.ramdisk_size;
-	u64 ramdisk_end   = ramdisk_image + ramdisk_size;
+	u64 ramdisk_end   = PAGE_ALIGN(ramdisk_image + ramdisk_size);
 	u64 end_of_lowmem = max_low_pfn_mapped << PAGE_SHIFT;
 
 	if (!boot_params.hdr.type_of_loader ||
@@ -969,15 +971,11 @@ void __init setup_arch(char **cmdline_p)
 #endif
 
 	initmem_init(0, max_pfn, acpi, k8);
+#ifndef CONFIG_NO_BOOTMEM
+	early_res_to_bootmem(0, max_low_pfn<<PAGE_SHIFT);
+#endif
 
-#ifdef CONFIG_X86_64
-	/*
-	 * dma32_reserve_bootmem() allocates bootmem which may conflict
-	 * with the crashkernel command line, so do that after
-	 * reserve_crashkernel()
-	 */
 	dma32_reserve_bootmem();
-#endif
 
 	reserve_ibft_region();
 
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 35abcb8b00e9..ef6370b00e70 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -137,7 +137,13 @@ static void * __init pcpu_fc_alloc(unsigned int cpu, size_t size, size_t align)
 
 static void __init pcpu_fc_free(void *ptr, size_t size)
 {
+#ifdef CONFIG_NO_BOOTMEM
+	u64 start = __pa(ptr);
+	u64 end = start + size;
+	free_early_partial(start, end);
+#else
 	free_bootmem(__pa(ptr), size);
+#endif
 }
 
 static int __init pcpu_cpu_distance(unsigned int from, unsigned int to)
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 9b4401115ea1..06d98ae5a802 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -48,6 +48,7 @@
 #include <linux/err.h>
 #include <linux/nmi.h>
 #include <linux/tboot.h>
+#include <linux/stackprotector.h>
 
 #include <asm/acpi.h>
 #include <asm/desc.h>
@@ -67,6 +68,7 @@
 #include <linux/mc146818rtc.h>
 
 #include <asm/smpboot_hooks.h>
+#include <asm/i8259.h>
 
 #ifdef CONFIG_X86_32
 u8 apicid_2_node[MAX_APICID];
@@ -241,6 +243,11 @@ static void __cpuinit smp_callin(void)
 	map_cpu_to_logical_apicid();
 
 	notify_cpu_starting(cpuid);
+
+	/*
+	 * Need to setup vector mappings before we enable interrupts.
+	 */
+	setup_vector_irq(smp_processor_id());
 	/*
 	 * Get our bogomips.
 	 *
@@ -286,9 +293,9 @@ notrace static void __cpuinit start_secondary(void *unused)
 	check_tsc_sync_target();
 
 	if (nmi_watchdog == NMI_IO_APIC) {
-		disable_8259A_irq(0);
+		legacy_pic->chip->mask(0);
 		enable_NMI_through_LVT0();
-		enable_8259A_irq(0);
+		legacy_pic->chip->unmask(0);
 	}
 
 #ifdef CONFIG_X86_32
@@ -315,7 +322,6 @@ notrace static void __cpuinit start_secondary(void *unused)
 	 */
 	ipi_call_lock();
 	lock_vector_lock();
-	__setup_vector_irq(smp_processor_id());
 	set_cpu_online(smp_processor_id(), true);
 	unlock_vector_lock();
 	ipi_call_unlock();
@@ -325,6 +331,9 @@ notrace static void __cpuinit start_secondary(void *unused)
 	/* enable local interrupts */
 	local_irq_enable();
 
+	/* to prevent fake stack check failure in clock setup */
+	boot_init_stack_canary();
+
 	x86_cpuinit.setup_percpu_clockev();
 
 	wmb();
@@ -1212,11 +1221,12 @@ __init void prefill_possible_map(void)
 
 	total_cpus = max_t(int, possible, num_processors + disabled_cpus);
 
-	if (possible > CONFIG_NR_CPUS) {
+	/* nr_cpu_ids could be reduced via nr_cpus= */
+	if (possible > nr_cpu_ids) {
 		printk(KERN_WARNING
 			"%d Processors exceeds NR_CPUS limit of %d\n",
-			possible, CONFIG_NR_CPUS);
-		possible = CONFIG_NR_CPUS;
+			possible, nr_cpu_ids);
+		possible = nr_cpu_ids;
 	}
 
 	printk(KERN_INFO "SMP: Allowing %d CPUs, %d hotplug CPUs\n",
diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c
index dee1ff7cba58..196552bb412c 100644
--- a/arch/x86/kernel/sys_i386_32.c
+++ b/arch/x86/kernel/sys_i386_32.c
@@ -25,191 +25,6 @@
 #include <asm/syscalls.h>
 
 /*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux/i386 didn't use to be able to handle more than
- * 4 system call parameters, so these system calls used a memory
- * block for parameter passing..
- */
-
-struct mmap_arg_struct {
-	unsigned long addr;
-	unsigned long len;
-	unsigned long prot;
-	unsigned long flags;
-	unsigned long fd;
-	unsigned long offset;
-};
-
-asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
-{
-	struct mmap_arg_struct a;
-	int err = -EFAULT;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		goto out;
-
-	err = -EINVAL;
-	if (a.offset & ~PAGE_MASK)
-		goto out;
-
-	err = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags,
-			a.fd, a.offset >> PAGE_SHIFT);
-out:
-	return err;
-}
-
-
-struct sel_arg_struct {
-	unsigned long n;
-	fd_set __user *inp, *outp, *exp;
-	struct timeval __user *tvp;
-};
-
-asmlinkage int old_select(struct sel_arg_struct __user *arg)
-{
-	struct sel_arg_struct a;
-
-	if (copy_from_user(&a, arg, sizeof(a)))
-		return -EFAULT;
-	/* sys_select() does the appropriate kernel locking */
-	return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
-}
-
-/*
- * sys_ipc() is the de-multiplexer for the SysV IPC calls..
- *
- * This is really horribly ugly.
- */
-asmlinkage int sys_ipc(uint call, int first, int second,
-			int third, void __user *ptr, long fifth)
-{
-	int version, ret;
-
-	version = call >> 16; /* hack for backward compatibility */
-	call &= 0xffff;
-
-	switch (call) {
-	case SEMOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr, second, NULL);
-	case SEMTIMEDOP:
-		return sys_semtimedop(first, (struct sembuf __user *)ptr, second,
-					(const struct timespec __user *)fifth);
-
-	case SEMGET:
-		return sys_semget(first, second, third);
-	case SEMCTL: {
-		union semun fourth;
-		if (!ptr)
-			return -EINVAL;
-		if (get_user(fourth.__pad, (void __user * __user *) ptr))
-			return -EFAULT;
-		return sys_semctl(first, second, third, fourth);
-	}
-
-	case MSGSND:
-		return sys_msgsnd(first, (struct msgbuf __user *) ptr,
-				   second, third);
-	case MSGRCV:
-		switch (version) {
-		case 0: {
-			struct ipc_kludge tmp;
-			if (!ptr)
-				return -EINVAL;
-
-			if (copy_from_user(&tmp,
-					   (struct ipc_kludge __user *) ptr,
-					   sizeof(tmp)))
-				return -EFAULT;
-			return sys_msgrcv(first, tmp.msgp, second,
-					   tmp.msgtyp, third);
-		}
-		default:
-			return sys_msgrcv(first,
-					   (struct msgbuf __user *) ptr,
-					   second, fifth, third);
-		}
-	case MSGGET:
-		return sys_msgget((key_t) first, second);
-	case MSGCTL:
-		return sys_msgctl(first, second, (struct msqid_ds __user *) ptr);
-
-	case SHMAT:
-		switch (version) {
-		default: {
-			ulong raddr;
-			ret = do_shmat(first, (char __user *) ptr, second, &raddr);
-			if (ret)
-				return ret;
-			return put_user(raddr, (ulong __user *) third);
-		}
-		case 1:	/* iBCS2 emulator entry point */
-			if (!segment_eq(get_fs(), get_ds()))
-				return -EINVAL;
-			/* The "(ulong *) third" is valid _only_ because of the kernel segment thing */
-			return do_shmat(first, (char __user *) ptr, second, (ulong *) third);
-		}
-	case SHMDT:
-		return sys_shmdt((char __user *)ptr);
-	case SHMGET:
-		return sys_shmget(first, second, third);
-	case SHMCTL:
-		return sys_shmctl(first, second,
-				   (struct shmid_ds __user *) ptr);
-	default:
-		return -ENOSYS;
-	}
-}
-
-/*
- * Old cruft
- */
-asmlinkage int sys_uname(struct old_utsname __user *name)
-{
-	int err;
-	if (!name)
-		return -EFAULT;
-	down_read(&uts_sem);
-	err = copy_to_user(name, utsname(), sizeof(*name));
-	up_read(&uts_sem);
-	return err? -EFAULT:0;
-}
-
-asmlinkage int sys_olduname(struct oldold_utsname __user *name)
-{
-	int error;
-
-	if (!name)
-		return -EFAULT;
-	if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
-		return -EFAULT;
-
-	down_read(&uts_sem);
-
-	error = __copy_to_user(&name->sysname, &utsname()->sysname,
-			       __OLD_UTS_LEN);
-	error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
-	error |= __copy_to_user(&name->nodename, &utsname()->nodename,
-				__OLD_UTS_LEN);
-	error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
-	error |= __copy_to_user(&name->release, &utsname()->release,
-				__OLD_UTS_LEN);
-	error |= __put_user(0, name->release + __OLD_UTS_LEN);
-	error |= __copy_to_user(&name->version, &utsname()->version,
-				__OLD_UTS_LEN);
-	error |= __put_user(0, name->version + __OLD_UTS_LEN);
-	error |= __copy_to_user(&name->machine, &utsname()->machine,
-				__OLD_UTS_LEN);
-	error |= __put_user(0, name->machine + __OLD_UTS_LEN);
-
-	up_read(&uts_sem);
-
-	error = error ? -EFAULT : 0;
-
-	return error;
-}
-
-
-/*
  * Do a system call from kernel instead of calling sys_execve so we
  * end up with proper pt_regs.
  */
diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c
index 8aa2057efd12..ff14a5044ce6 100644
--- a/arch/x86/kernel/sys_x86_64.c
+++ b/arch/x86/kernel/sys_x86_64.c
@@ -209,15 +209,3 @@ bottomup:
 
 	return addr;
 }
-
-
-SYSCALL_DEFINE1(uname, struct new_utsname __user *, name)
-{
-	int err;
-	down_read(&uts_sem);
-	err = copy_to_user(name, utsname(), sizeof(*name));
-	up_read(&uts_sem);
-	if (personality(current->personality) == PER_LINUX32)
-		err |= copy_to_user(&name->machine, "i686", 5);
-	return err ? -EFAULT : 0;
-}
diff --git a/arch/x86/kernel/syscall_table_32.S b/arch/x86/kernel/syscall_table_32.S
index 15228b5d3eb7..8b3729341216 100644
--- a/arch/x86/kernel/syscall_table_32.S
+++ b/arch/x86/kernel/syscall_table_32.S
@@ -81,7 +81,7 @@ ENTRY(sys_call_table)
 	.long sys_settimeofday
 	.long sys_getgroups16	/* 80 */
 	.long sys_setgroups16
-	.long old_select
+	.long sys_old_select
 	.long sys_symlink
 	.long sys_lstat
 	.long sys_readlink	/* 85 */
@@ -89,7 +89,7 @@ ENTRY(sys_call_table)
 	.long sys_swapon
 	.long sys_reboot
 	.long sys_old_readdir
-	.long old_mmap		/* 90 */
+	.long sys_old_mmap	/* 90 */
 	.long sys_munmap
 	.long sys_truncate
 	.long sys_ftruncate
diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c
index be2573448ed9..fb5cc5e14cfa 100644
--- a/arch/x86/kernel/time.c
+++ b/arch/x86/kernel/time.c
@@ -70,11 +70,11 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id)
 		 * manually to deassert NMI lines for the watchdog if run
 		 * on an 82489DX-based system.
 		 */
-		spin_lock(&i8259A_lock);
+		raw_spin_lock(&i8259A_lock);
 		outb(0x0c, PIC_MASTER_OCW3);
 		/* Ack the IRQ; AEOI will end it automatically. */
 		inb(PIC_MASTER_POLL);
-		spin_unlock(&i8259A_lock);
+		raw_spin_unlock(&i8259A_lock);
 	}
 
 	global_clock_event->event_handler(global_clock_event);
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 208a857c679f..9faf91ae1841 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -50,7 +50,7 @@ u64 native_sched_clock(void)
 	 *   unstable. We do this because unlike Time Of Day,
 	 *   the scheduler clock tolerates small errors and it's
 	 *   very important for it to be as fast as the platform
-	 *   can achive it. )
+	 *   can achieve it. )
 	 */
 	if (unlikely(tsc_disabled)) {
 		/* No locking but a rare wrong value is not a big deal: */
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 34a279a7471d..e680ea52db9b 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -49,11 +49,6 @@ extern int no_broadcast;
 char visws_board_type	= -1;
 char visws_board_rev	= -1;
 
-int is_visws_box(void)
-{
-	return visws_board_type >= 0;
-}
-
 static void __init visws_time_init(void)
 {
 	printk(KERN_INFO "Starting Cobalt Timer system clock\n");
@@ -242,6 +237,8 @@ void __init visws_early_detect(void)
 	x86_init.irqs.pre_vector_init = visws_pre_intr_init;
 	x86_init.irqs.trap_init = visws_trap_init;
 	x86_init.timers.timer_init = visws_time_init;
+	x86_init.pci.init = pci_visws_init;
+	x86_init.pci.init_irq = x86_init_noop;
 
 	/*
 	 * Install reboot quirks:
@@ -508,7 +505,7 @@ static struct irq_chip cobalt_irq_type = {
  */
 static unsigned int startup_piix4_master_irq(unsigned int irq)
 {
-	init_8259A(0);
+	legacy_pic->init(0);
 
 	return startup_cobalt_irq(irq);
 }
@@ -532,9 +529,6 @@ static struct irq_chip piix4_master_irq_type = {
 
 static struct irq_chip piix4_virtual_irq_type = {
 	.name =		"PIIX4-virtual",
-	.shutdown =	disable_8259A_irq,
-	.enable =	enable_8259A_irq,
-	.disable =	disable_8259A_irq,
 };
 
 
@@ -559,7 +553,7 @@ static irqreturn_t piix4_master_intr(int irq, void *dev_id)
 	struct irq_desc *desc;
 	unsigned long flags;
 
-	spin_lock_irqsave(&i8259A_lock, flags);
+	raw_spin_lock_irqsave(&i8259A_lock, flags);
 
 	/* Find out what's interrupting in the PIIX4 master 8259 */
 	outb(0x0c, 0x20);		/* OCW3 Poll command */
@@ -596,7 +590,7 @@ static irqreturn_t piix4_master_intr(int irq, void *dev_id)
 		outb(0x60 + realirq, 0x20);
 	}
 
-	spin_unlock_irqrestore(&i8259A_lock, flags);
+	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 
 	desc = irq_to_desc(realirq);
 
@@ -609,12 +603,12 @@ static irqreturn_t piix4_master_intr(int irq, void *dev_id)
 		handle_IRQ_event(realirq, desc->action);
 
 	if (!(desc->status & IRQ_DISABLED))
-		enable_8259A_irq(realirq);
+		legacy_pic->chip->unmask(realirq);
 
 	return IRQ_HANDLED;
 
 out_unlock:
-	spin_unlock_irqrestore(&i8259A_lock, flags);
+	raw_spin_unlock_irqrestore(&i8259A_lock, flags);
 	return IRQ_NONE;
 }
 
@@ -628,6 +622,12 @@ static struct irqaction cascade_action = {
 	.name =		"cascade",
 };
 
+static inline void set_piix4_virtual_irq_type(void)
+{
+	piix4_virtual_irq_type.shutdown = i8259A_chip.mask;
+	piix4_virtual_irq_type.enable =	i8259A_chip.unmask;
+	piix4_virtual_irq_type.disable = i8259A_chip.mask;
+}
 
 void init_VISWS_APIC_irqs(void)
 {
@@ -653,6 +653,7 @@ void init_VISWS_APIC_irqs(void)
 			desc->chip = &piix4_master_irq_type;
 		}
 		else if (i < CO_IRQ_APIC0) {
+			set_piix4_virtual_irq_type();
 			desc->chip = &piix4_virtual_irq_type;
 		}
 		else if (IS_CO_APIC(i)) {
diff --git a/arch/x86/kernel/vmi_32.c b/arch/x86/kernel/vmi_32.c
index d430e4c30193..7dd599deca4a 100644
--- a/arch/x86/kernel/vmi_32.c
+++ b/arch/x86/kernel/vmi_32.c
@@ -33,6 +33,7 @@
 #include <asm/fixmap.h>
 #include <asm/apicdef.h>
 #include <asm/apic.h>
+#include <asm/pgalloc.h>
 #include <asm/processor.h>
 #include <asm/timer.h>
 #include <asm/vmi_time.h>
@@ -266,30 +267,6 @@ static void vmi_nop(void)
 {
 }
 
-#ifdef CONFIG_HIGHPTE
-static void *vmi_kmap_atomic_pte(struct page *page, enum km_type type)
-{
-	void *va = kmap_atomic(page, type);
-
-	/*
-	 * Internally, the VMI ROM must map virtual addresses to physical
-	 * addresses for processing MMU updates.  By the time MMU updates
-	 * are issued, this information is typically already lost.
-	 * Fortunately, the VMI provides a cache of mapping slots for active
-	 * page tables.
-	 *
-	 * We use slot zero for the linear mapping of physical memory, and
-	 * in HIGHPTE kernels, slot 1 and 2 for KM_PTE0 and KM_PTE1.
-	 *
-	 *  args:                 SLOT                 VA    COUNT PFN
-	 */
-	BUG_ON(type != KM_PTE0 && type != KM_PTE1);
-	vmi_ops.set_linear_mapping((type - KM_PTE0)+1, va, 1, page_to_pfn(page));
-
-	return va;
-}
-#endif
-
 static void vmi_allocate_pte(struct mm_struct *mm, unsigned long pfn)
 {
 	vmi_ops.allocate_page(pfn, VMI_PAGE_L1, 0, 0, 0);
@@ -640,6 +617,12 @@ static inline int __init activate_vmi(void)
 	u64 reloc;
 	const struct vmi_relocation_info *rel = (struct vmi_relocation_info *)&reloc;
 
+	/*
+	 * Prevent page tables from being allocated in highmem, even if
+	 * CONFIG_HIGHPTE is enabled.
+	 */
+	__userpte_alloc_gfp &= ~__GFP_HIGHMEM;
+
 	if (call_vrom_func(vmi_rom, vmi_init) != 0) {
 		printk(KERN_ERR "VMI ROM failed to initialize!");
 		return 0;
@@ -778,10 +761,6 @@ static inline int __init activate_vmi(void)
 
 	/* Set linear is needed in all cases */
 	vmi_ops.set_linear_mapping = vmi_get_function(VMI_CALL_SetLinearMapping);
-#ifdef CONFIG_HIGHPTE
-	if (vmi_ops.set_linear_mapping)
-		pv_mmu_ops.kmap_atomic_pte = vmi_kmap_atomic_pte;
-#endif
 
 	/*
 	 * These MUST always be patched.  Don't support indirect jumps
diff --git a/arch/x86/kernel/vmiclock_32.c b/arch/x86/kernel/vmiclock_32.c
index 74c92bb194df..5e1ff66ecd73 100644
--- a/arch/x86/kernel/vmiclock_32.c
+++ b/arch/x86/kernel/vmiclock_32.c
@@ -79,11 +79,7 @@ unsigned long vmi_tsc_khz(void)
 
 static inline unsigned int vmi_get_timer_vector(void)
 {
-#ifdef CONFIG_X86_IO_APIC
-	return FIRST_DEVICE_VECTOR;
-#else
-	return FIRST_EXTERNAL_VECTOR;
-#endif
+	return IRQ0_VECTOR;
 }
 
 /** vmi clockchip */
@@ -171,7 +167,7 @@ static int vmi_timer_next_event(unsigned long delta,
 {
 	/* Unfortunately, set_next_event interface only passes relative
 	 * expiry, but we want absolute expiry.  It'd be better if were
-	 * were passed an aboslute expiry, since a bunch of time may
+	 * were passed an absolute expiry, since a bunch of time may
 	 * have been stolen between the time the delta is computed and
 	 * when we set the alarm below. */
 	cycle_t now = vmi_timer_ops.get_cycle_counter(vmi_counter(VMI_ONESHOT));
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index f92a0da608cb..2cc249718c46 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -291,8 +291,8 @@ SECTIONS
 	.smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {
 		__smp_locks = .;
 		*(.smp_locks)
-		__smp_locks_end = .;
 		. = ALIGN(PAGE_SIZE);
+		__smp_locks_end = .;
 	}
 
 #ifdef CONFIG_X86_64
@@ -341,7 +341,7 @@ SECTIONS
  * Per-cpu symbols which need to be offset from __per_cpu_load
  * for the boot processor.
  */
-#define INIT_PER_CPU(x) init_per_cpu__##x = per_cpu__##x + __per_cpu_load
+#define INIT_PER_CPU(x) init_per_cpu__##x = x + __per_cpu_load
 INIT_PER_CPU(gdt_page);
 INIT_PER_CPU(irq_stack_union);
 
@@ -352,7 +352,7 @@ INIT_PER_CPU(irq_stack_union);
 	   "kernel image bigger than KERNEL_IMAGE_SIZE");
 
 #ifdef CONFIG_SMP
-. = ASSERT((per_cpu__irq_stack_union == 0),
+. = ASSERT((irq_stack_union == 0),
            "irq_stack_union is not at start of per-cpu area");
 #endif
 
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index 9055e5872ff0..1c0c6ab9c60f 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -301,7 +301,8 @@ static int __init vsyscall_init(void)
 	register_sysctl_table(kernel_root_table2);
 #endif
 	on_each_cpu(cpu_vsyscall_init, NULL, 1);
-	hotcpu_notifier(cpu_vsyscall_notifier, 0);
+	/* notifier priority > KVM */
+	hotcpu_notifier(cpu_vsyscall_notifier, 30);
 	return 0;
 }
 
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c
index ee5746c94628..61a1e8c7e19f 100644
--- a/arch/x86/kernel/x86_init.c
+++ b/arch/x86/kernel/x86_init.c
@@ -4,9 +4,11 @@
  *  For licencing details see kernel-base/COPYING
  */
 #include <linux/init.h>
+#include <linux/ioport.h>
 
 #include <asm/bios_ebda.h>
 #include <asm/paravirt.h>
+#include <asm/pci_x86.h>
 #include <asm/mpspec.h>
 #include <asm/setup.h>
 #include <asm/apic.h>
@@ -70,6 +72,12 @@ struct x86_init_ops x86_init __initdata = {
 	.iommu = {
 		.iommu_init		= iommu_init_noop,
 	},
+
+	.pci = {
+		.init			= x86_default_pci_init,
+		.init_irq		= x86_default_pci_init_irq,
+		.fixup_irqs		= x86_default_pci_fixup_irqs,
+	},
 };
 
 struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = {
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 3c4d0109ad20..970bbd479516 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -29,6 +29,7 @@ config KVM
 	select HAVE_KVM_EVENTFD
 	select KVM_APIC_ARCHITECTURE
 	select USER_RETURN_NOTIFIER
+	select KVM_MMIO
 	---help---
 	  Support hosting fully virtualized guest machines using hardware
 	  virtualization extensions.  You will need a fairly recent
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 7e8faea4651e..4dade6ac0827 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -32,7 +32,7 @@
 #include <linux/module.h>
 #include <asm/kvm_emulate.h>
 
-#include "mmu.h"		/* for is_long_mode() */
+#include "x86.h"
 
 /*
  * Opcode effective-address decode tables.
@@ -76,6 +76,8 @@
 #define GroupDual   (1<<15)     /* Alternate decoding of mod == 3 */
 #define GroupMask   0xff        /* Group number stored in bits 0:7 */
 /* Misc flags */
+#define Lock        (1<<26) /* lock prefix is allowed for the instruction */
+#define Priv        (1<<27) /* instruction generates #GP if current CPL != 0 */
 #define No64	    (1<<28)
 /* Source 2 operand type */
 #define Src2None    (0<<29)
@@ -88,39 +90,40 @@
 enum {
 	Group1_80, Group1_81, Group1_82, Group1_83,
 	Group1A, Group3_Byte, Group3, Group4, Group5, Group7,
+	Group8, Group9,
 };
 
 static u32 opcode_table[256] = {
 	/* 0x00 - 0x07 */
-	ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM,
+	ByteOp | DstMem | SrcReg | ModRM | Lock, DstMem | SrcReg | ModRM | Lock,
 	ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM,
 	ByteOp | DstAcc | SrcImm, DstAcc | SrcImm,
 	ImplicitOps | Stack | No64, ImplicitOps | Stack | No64,
 	/* 0x08 - 0x0F */
-	ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM,
+	ByteOp | DstMem | SrcReg | ModRM | Lock, DstMem | SrcReg | ModRM | Lock,
 	ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM,
 	ByteOp | DstAcc | SrcImm, DstAcc | SrcImm,
 	ImplicitOps | Stack | No64, 0,
 	/* 0x10 - 0x17 */
-	ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM,
+	ByteOp | DstMem | SrcReg | ModRM | Lock, DstMem | SrcReg | ModRM | Lock,
 	ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM,
 	ByteOp | DstAcc | SrcImm, DstAcc | SrcImm,
 	ImplicitOps | Stack | No64, ImplicitOps | Stack | No64,
 	/* 0x18 - 0x1F */
-	ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM,
+	ByteOp | DstMem | SrcReg | ModRM | Lock, DstMem | SrcReg | ModRM | Lock,
 	ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM,
 	ByteOp | DstAcc | SrcImm, DstAcc | SrcImm,
 	ImplicitOps | Stack | No64, ImplicitOps | Stack | No64,
 	/* 0x20 - 0x27 */
-	ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM,
+	ByteOp | DstMem | SrcReg | ModRM | Lock, DstMem | SrcReg | ModRM | Lock,
 	ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM,
 	DstAcc | SrcImmByte, DstAcc | SrcImm, 0, 0,
 	/* 0x28 - 0x2F */
-	ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM,
+	ByteOp | DstMem | SrcReg | ModRM | Lock, DstMem | SrcReg | ModRM | Lock,
 	ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM,
 	0, 0, 0, 0,
 	/* 0x30 - 0x37 */
-	ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM,
+	ByteOp | DstMem | SrcReg | ModRM | Lock, DstMem | SrcReg | ModRM | Lock,
 	ByteOp | DstReg | SrcMem | ModRM, DstReg | SrcMem | ModRM,
 	0, 0, 0, 0,
 	/* 0x38 - 0x3F */
@@ -156,7 +159,7 @@ static u32 opcode_table[256] = {
 	Group | Group1_80, Group | Group1_81,
 	Group | Group1_82, Group | Group1_83,
 	ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM,
-	ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM,
+	ByteOp | DstMem | SrcReg | ModRM | Lock, DstMem | SrcReg | ModRM | Lock,
 	/* 0x88 - 0x8F */
 	ByteOp | DstMem | SrcReg | ModRM | Mov, DstMem | SrcReg | ModRM | Mov,
 	ByteOp | DstReg | SrcMem | ModRM | Mov, DstReg | SrcMem | ModRM | Mov,
@@ -210,7 +213,7 @@ static u32 opcode_table[256] = {
 	SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps,
 	/* 0xF0 - 0xF7 */
 	0, 0, 0, 0,
-	ImplicitOps, ImplicitOps, Group | Group3_Byte, Group | Group3,
+	ImplicitOps | Priv, ImplicitOps, Group | Group3_Byte, Group | Group3,
 	/* 0xF8 - 0xFF */
 	ImplicitOps, 0, ImplicitOps, ImplicitOps,
 	ImplicitOps, ImplicitOps, Group | Group4, Group | Group5,
@@ -218,16 +221,20 @@ static u32 opcode_table[256] = {
 
 static u32 twobyte_table[256] = {
 	/* 0x00 - 0x0F */
-	0, Group | GroupDual | Group7, 0, 0, 0, ImplicitOps, ImplicitOps, 0,
-	ImplicitOps, ImplicitOps, 0, 0, 0, ImplicitOps | ModRM, 0, 0,
+	0, Group | GroupDual | Group7, 0, 0,
+	0, ImplicitOps, ImplicitOps | Priv, 0,
+	ImplicitOps | Priv, ImplicitOps | Priv, 0, 0,
+	0, ImplicitOps | ModRM, 0, 0,
 	/* 0x10 - 0x1F */
 	0, 0, 0, 0, 0, 0, 0, 0, ImplicitOps | ModRM, 0, 0, 0, 0, 0, 0, 0,
 	/* 0x20 - 0x2F */
-	ModRM | ImplicitOps, ModRM, ModRM | ImplicitOps, ModRM, 0, 0, 0, 0,
+	ModRM | ImplicitOps | Priv, ModRM | Priv,
+	ModRM | ImplicitOps | Priv, ModRM | Priv,
+	0, 0, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0,
 	/* 0x30 - 0x3F */
-	ImplicitOps, 0, ImplicitOps, 0,
-	ImplicitOps, ImplicitOps, 0, 0,
+	ImplicitOps | Priv, 0, ImplicitOps | Priv, 0,
+	ImplicitOps, ImplicitOps | Priv, 0, 0,
 	0, 0, 0, 0, 0, 0, 0, 0,
 	/* 0x40 - 0x47 */
 	DstReg | SrcMem | ModRM | Mov, DstReg | SrcMem | ModRM | Mov,
@@ -257,21 +264,23 @@ static u32 twobyte_table[256] = {
 	DstMem | SrcReg | Src2CL | ModRM, 0, 0,
 	/* 0xA8 - 0xAF */
 	ImplicitOps | Stack, ImplicitOps | Stack,
-	0, DstMem | SrcReg | ModRM | BitOp,
+	0, DstMem | SrcReg | ModRM | BitOp | Lock,
 	DstMem | SrcReg | Src2ImmByte | ModRM,
 	DstMem | SrcReg | Src2CL | ModRM,
 	ModRM, 0,
 	/* 0xB0 - 0xB7 */
-	ByteOp | DstMem | SrcReg | ModRM, DstMem | SrcReg | ModRM, 0,
-	    DstMem | SrcReg | ModRM | BitOp,
+	ByteOp | DstMem | SrcReg | ModRM | Lock, DstMem | SrcReg | ModRM | Lock,
+	0, DstMem | SrcReg | ModRM | BitOp | Lock,
 	0, 0, ByteOp | DstReg | SrcMem | ModRM | Mov,
 	    DstReg | SrcMem16 | ModRM | Mov,
 	/* 0xB8 - 0xBF */
-	0, 0, DstMem | SrcImmByte | ModRM, DstMem | SrcReg | ModRM | BitOp,
+	0, 0,
+	Group | Group8, DstMem | SrcReg | ModRM | BitOp | Lock,
 	0, 0, ByteOp | DstReg | SrcMem | ModRM | Mov,
 	    DstReg | SrcMem16 | ModRM | Mov,
 	/* 0xC0 - 0xCF */
-	0, 0, 0, DstMem | SrcReg | ModRM | Mov, 0, 0, 0, ImplicitOps | ModRM,
+	0, 0, 0, DstMem | SrcReg | ModRM | Mov,
+	0, 0, 0, Group | GroupDual | Group9,
 	0, 0, 0, 0, 0, 0, 0, 0,
 	/* 0xD0 - 0xDF */
 	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
@@ -283,25 +292,41 @@ static u32 twobyte_table[256] = {
 
 static u32 group_table[] = {
 	[Group1_80*8] =
-	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
-	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
-	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
-	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
+	ByteOp | DstMem | SrcImm | ModRM | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | Lock,
+	ByteOp | DstMem | SrcImm | ModRM,
 	[Group1_81*8] =
-	DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,
-	DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,
-	DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,
-	DstMem | SrcImm | ModRM, DstMem | SrcImm | ModRM,
+	DstMem | SrcImm | ModRM | Lock,
+	DstMem | SrcImm | ModRM | Lock,
+	DstMem | SrcImm | ModRM | Lock,
+	DstMem | SrcImm | ModRM | Lock,
+	DstMem | SrcImm | ModRM | Lock,
+	DstMem | SrcImm | ModRM | Lock,
+	DstMem | SrcImm | ModRM | Lock,
+	DstMem | SrcImm | ModRM,
 	[Group1_82*8] =
-	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
-	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
-	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
-	ByteOp | DstMem | SrcImm | ModRM, ByteOp | DstMem | SrcImm | ModRM,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64 | Lock,
+	ByteOp | DstMem | SrcImm | ModRM | No64,
 	[Group1_83*8] =
-	DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
-	DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
-	DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
-	DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM,
+	DstMem | SrcImmByte | ModRM | Lock,
+	DstMem | SrcImmByte | ModRM | Lock,
+	DstMem | SrcImmByte | ModRM | Lock,
+	DstMem | SrcImmByte | ModRM | Lock,
+	DstMem | SrcImmByte | ModRM | Lock,
+	DstMem | SrcImmByte | ModRM | Lock,
+	DstMem | SrcImmByte | ModRM | Lock,
+	DstMem | SrcImmByte | ModRM,
 	[Group1A*8] =
 	DstMem | SrcNone | ModRM | Mov | Stack, 0, 0, 0, 0, 0, 0, 0,
 	[Group3_Byte*8] =
@@ -320,24 +345,39 @@ static u32 group_table[] = {
 	SrcMem | ModRM | Stack, 0,
 	SrcMem | ModRM | Stack, 0, SrcMem | ModRM | Stack, 0,
 	[Group7*8] =
-	0, 0, ModRM | SrcMem, ModRM | SrcMem,
+	0, 0, ModRM | SrcMem | Priv, ModRM | SrcMem | Priv,
 	SrcNone | ModRM | DstMem | Mov, 0,
-	SrcMem16 | ModRM | Mov, SrcMem | ModRM | ByteOp,
+	SrcMem16 | ModRM | Mov | Priv, SrcMem | ModRM | ByteOp | Priv,
+	[Group8*8] =
+	0, 0, 0, 0,
+	DstMem | SrcImmByte | ModRM, DstMem | SrcImmByte | ModRM | Lock,
+	DstMem | SrcImmByte | ModRM | Lock, DstMem | SrcImmByte | ModRM | Lock,
+	[Group9*8] =
+	0, ImplicitOps | ModRM | Lock, 0, 0, 0, 0, 0, 0,
 };
 
 static u32 group2_table[] = {
 	[Group7*8] =
-	SrcNone | ModRM, 0, 0, SrcNone | ModRM,
+	SrcNone | ModRM | Priv, 0, 0, SrcNone | ModRM,
 	SrcNone | ModRM | DstMem | Mov, 0,
 	SrcMem16 | ModRM | Mov, 0,
+	[Group9*8] =
+	0, 0, 0, 0, 0, 0, 0, 0,
 };
 
 /* EFLAGS bit definitions. */
+#define EFLG_ID (1<<21)
+#define EFLG_VIP (1<<20)
+#define EFLG_VIF (1<<19)
+#define EFLG_AC (1<<18)
 #define EFLG_VM (1<<17)
 #define EFLG_RF (1<<16)
+#define EFLG_IOPL (3<<12)
+#define EFLG_NT (1<<14)
 #define EFLG_OF (1<<11)
 #define EFLG_DF (1<<10)
 #define EFLG_IF (1<<9)
+#define EFLG_TF (1<<8)
 #define EFLG_SF (1<<7)
 #define EFLG_ZF (1<<6)
 #define EFLG_AF (1<<4)
@@ -606,7 +646,7 @@ static int do_fetch_insn_byte(struct x86_emulate_ctxt *ctxt,
 
 	if (linear < fc->start || linear >= fc->end) {
 		size = min(15UL, PAGE_SIZE - offset_in_page(linear));
-		rc = ops->read_std(linear, fc->data, size, ctxt->vcpu);
+		rc = ops->fetch(linear, fc->data, size, ctxt->vcpu, NULL);
 		if (rc)
 			return rc;
 		fc->start = linear;
@@ -661,11 +701,11 @@ static int read_descriptor(struct x86_emulate_ctxt *ctxt,
 		op_bytes = 3;
 	*address = 0;
 	rc = ops->read_std((unsigned long)ptr, (unsigned long *)size, 2,
-			   ctxt->vcpu);
+			   ctxt->vcpu, NULL);
 	if (rc)
 		return rc;
 	rc = ops->read_std((unsigned long)ptr + 2, address, op_bytes,
-			   ctxt->vcpu);
+			   ctxt->vcpu, NULL);
 	return rc;
 }
 
@@ -889,6 +929,7 @@ x86_decode_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 
 	switch (mode) {
 	case X86EMUL_MODE_REAL:
+	case X86EMUL_MODE_VM86:
 	case X86EMUL_MODE_PROT16:
 		def_op_bytes = def_ad_bytes = 2;
 		break;
@@ -975,7 +1016,7 @@ done_prefixes:
 	}
 
 	if (mode == X86EMUL_MODE_PROT64 && (c->d & No64)) {
-		kvm_report_emulation_failure(ctxt->vcpu, "invalid x86/64 instruction");;
+		kvm_report_emulation_failure(ctxt->vcpu, "invalid x86/64 instruction");
 		return -1;
 	}
 
@@ -1196,13 +1237,56 @@ static int emulate_pop(struct x86_emulate_ctxt *ctxt,
 	rc = ops->read_emulated(register_address(c, ss_base(ctxt),
 						 c->regs[VCPU_REGS_RSP]),
 				dest, len, ctxt->vcpu);
-	if (rc != 0)
+	if (rc != X86EMUL_CONTINUE)
 		return rc;
 
 	register_address_increment(c, &c->regs[VCPU_REGS_RSP], len);
 	return rc;
 }
 
+static int emulate_popf(struct x86_emulate_ctxt *ctxt,
+		       struct x86_emulate_ops *ops,
+		       void *dest, int len)
+{
+	int rc;
+	unsigned long val, change_mask;
+	int iopl = (ctxt->eflags & X86_EFLAGS_IOPL) >> IOPL_SHIFT;
+	int cpl = kvm_x86_ops->get_cpl(ctxt->vcpu);
+
+	rc = emulate_pop(ctxt, ops, &val, len);
+	if (rc != X86EMUL_CONTINUE)
+		return rc;
+
+	change_mask = EFLG_CF | EFLG_PF | EFLG_AF | EFLG_ZF | EFLG_SF | EFLG_OF
+		| EFLG_TF | EFLG_DF | EFLG_NT | EFLG_RF | EFLG_AC | EFLG_ID;
+
+	switch(ctxt->mode) {
+	case X86EMUL_MODE_PROT64:
+	case X86EMUL_MODE_PROT32:
+	case X86EMUL_MODE_PROT16:
+		if (cpl == 0)
+			change_mask |= EFLG_IOPL;
+		if (cpl <= iopl)
+			change_mask |= EFLG_IF;
+		break;
+	case X86EMUL_MODE_VM86:
+		if (iopl < 3) {
+			kvm_inject_gp(ctxt->vcpu, 0);
+			return X86EMUL_PROPAGATE_FAULT;
+		}
+		change_mask |= EFLG_IF;
+		break;
+	default: /* real mode */
+		change_mask |= (EFLG_IOPL | EFLG_IF);
+		break;
+	}
+
+	*(unsigned long *)dest =
+		(ctxt->eflags & ~change_mask) | (val & change_mask);
+
+	return rc;
+}
+
 static void emulate_push_sreg(struct x86_emulate_ctxt *ctxt, int seg)
 {
 	struct decode_cache *c = &ctxt->decode;
@@ -1225,7 +1309,7 @@ static int emulate_pop_sreg(struct x86_emulate_ctxt *ctxt,
 	if (rc != 0)
 		return rc;
 
-	rc = kvm_load_segment_descriptor(ctxt->vcpu, (u16)selector, 1, seg);
+	rc = kvm_load_segment_descriptor(ctxt->vcpu, (u16)selector, seg);
 	return rc;
 }
 
@@ -1370,7 +1454,7 @@ static inline int emulate_grp9(struct x86_emulate_ctxt *ctxt,
 	int rc;
 
 	rc = ops->read_emulated(memop, &old, 8, ctxt->vcpu);
-	if (rc != 0)
+	if (rc != X86EMUL_CONTINUE)
 		return rc;
 
 	if (((u32) (old >> 0) != (u32) c->regs[VCPU_REGS_RAX]) ||
@@ -1385,7 +1469,7 @@ static inline int emulate_grp9(struct x86_emulate_ctxt *ctxt,
 		       (u32) c->regs[VCPU_REGS_RBX];
 
 		rc = ops->cmpxchg_emulated(memop, &old, &new, 8, ctxt->vcpu);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			return rc;
 		ctxt->eflags |= EFLG_ZF;
 	}
@@ -1407,7 +1491,7 @@ static int emulate_ret_far(struct x86_emulate_ctxt *ctxt,
 	rc = emulate_pop(ctxt, ops, &cs, c->op_bytes);
 	if (rc)
 		return rc;
-	rc = kvm_load_segment_descriptor(ctxt->vcpu, (u16)cs, 1, VCPU_SREG_CS);
+	rc = kvm_load_segment_descriptor(ctxt->vcpu, (u16)cs, VCPU_SREG_CS);
 	return rc;
 }
 
@@ -1451,7 +1535,7 @@ static inline int writeback(struct x86_emulate_ctxt *ctxt,
 					&c->dst.val,
 					c->dst.bytes,
 					ctxt->vcpu);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			return rc;
 		break;
 	case OP_NONE:
@@ -1514,9 +1598,8 @@ emulate_syscall(struct x86_emulate_ctxt *ctxt)
 	u64 msr_data;
 
 	/* syscall is not available in real mode */
-	if (c->lock_prefix || ctxt->mode == X86EMUL_MODE_REAL
-		|| !(ctxt->vcpu->arch.cr0 & X86_CR0_PE))
-		return -1;
+	if (ctxt->mode == X86EMUL_MODE_REAL || ctxt->mode == X86EMUL_MODE_VM86)
+		return X86EMUL_UNHANDLEABLE;
 
 	setup_syscalls_segments(ctxt, &cs, &ss);
 
@@ -1553,7 +1636,7 @@ emulate_syscall(struct x86_emulate_ctxt *ctxt)
 		ctxt->eflags &= ~(EFLG_VM | EFLG_IF | EFLG_RF);
 	}
 
-	return 0;
+	return X86EMUL_CONTINUE;
 }
 
 static int
@@ -1563,22 +1646,17 @@ emulate_sysenter(struct x86_emulate_ctxt *ctxt)
 	struct kvm_segment cs, ss;
 	u64 msr_data;
 
-	/* inject #UD if LOCK prefix is used */
-	if (c->lock_prefix)
-		return -1;
-
-	/* inject #GP if in real mode or paging is disabled */
-	if (ctxt->mode == X86EMUL_MODE_REAL ||
-		!(ctxt->vcpu->arch.cr0 & X86_CR0_PE)) {
+	/* inject #GP if in real mode */
+	if (ctxt->mode == X86EMUL_MODE_REAL) {
 		kvm_inject_gp(ctxt->vcpu, 0);
-		return -1;
+		return X86EMUL_UNHANDLEABLE;
 	}
 
 	/* XXX sysenter/sysexit have not been tested in 64bit mode.
 	* Therefore, we inject an #UD.
 	*/
 	if (ctxt->mode == X86EMUL_MODE_PROT64)
-		return -1;
+		return X86EMUL_UNHANDLEABLE;
 
 	setup_syscalls_segments(ctxt, &cs, &ss);
 
@@ -1587,13 +1665,13 @@ emulate_sysenter(struct x86_emulate_ctxt *ctxt)
 	case X86EMUL_MODE_PROT32:
 		if ((msr_data & 0xfffc) == 0x0) {
 			kvm_inject_gp(ctxt->vcpu, 0);
-			return -1;
+			return X86EMUL_PROPAGATE_FAULT;
 		}
 		break;
 	case X86EMUL_MODE_PROT64:
 		if (msr_data == 0x0) {
 			kvm_inject_gp(ctxt->vcpu, 0);
-			return -1;
+			return X86EMUL_PROPAGATE_FAULT;
 		}
 		break;
 	}
@@ -1618,7 +1696,7 @@ emulate_sysenter(struct x86_emulate_ctxt *ctxt)
 	kvm_x86_ops->get_msr(ctxt->vcpu, MSR_IA32_SYSENTER_ESP, &msr_data);
 	c->regs[VCPU_REGS_RSP] = msr_data;
 
-	return 0;
+	return X86EMUL_CONTINUE;
 }
 
 static int
@@ -1629,21 +1707,11 @@ emulate_sysexit(struct x86_emulate_ctxt *ctxt)
 	u64 msr_data;
 	int usermode;
 
-	/* inject #UD if LOCK prefix is used */
-	if (c->lock_prefix)
-		return -1;
-
-	/* inject #GP if in real mode or paging is disabled */
-	if (ctxt->mode == X86EMUL_MODE_REAL
-		|| !(ctxt->vcpu->arch.cr0 & X86_CR0_PE)) {
-		kvm_inject_gp(ctxt->vcpu, 0);
-		return -1;
-	}
-
-	/* sysexit must be called from CPL 0 */
-	if (kvm_x86_ops->get_cpl(ctxt->vcpu) != 0) {
+	/* inject #GP if in real mode or Virtual 8086 mode */
+	if (ctxt->mode == X86EMUL_MODE_REAL ||
+	    ctxt->mode == X86EMUL_MODE_VM86) {
 		kvm_inject_gp(ctxt->vcpu, 0);
-		return -1;
+		return X86EMUL_UNHANDLEABLE;
 	}
 
 	setup_syscalls_segments(ctxt, &cs, &ss);
@@ -1661,7 +1729,7 @@ emulate_sysexit(struct x86_emulate_ctxt *ctxt)
 		cs.selector = (u16)(msr_data + 16);
 		if ((msr_data & 0xfffc) == 0x0) {
 			kvm_inject_gp(ctxt->vcpu, 0);
-			return -1;
+			return X86EMUL_PROPAGATE_FAULT;
 		}
 		ss.selector = (u16)(msr_data + 24);
 		break;
@@ -1669,7 +1737,7 @@ emulate_sysexit(struct x86_emulate_ctxt *ctxt)
 		cs.selector = (u16)(msr_data + 32);
 		if (msr_data == 0x0) {
 			kvm_inject_gp(ctxt->vcpu, 0);
-			return -1;
+			return X86EMUL_PROPAGATE_FAULT;
 		}
 		ss.selector = cs.selector + 8;
 		cs.db = 0;
@@ -1685,7 +1753,58 @@ emulate_sysexit(struct x86_emulate_ctxt *ctxt)
 	c->eip = ctxt->vcpu->arch.regs[VCPU_REGS_RDX];
 	c->regs[VCPU_REGS_RSP] = ctxt->vcpu->arch.regs[VCPU_REGS_RCX];
 
-	return 0;
+	return X86EMUL_CONTINUE;
+}
+
+static bool emulator_bad_iopl(struct x86_emulate_ctxt *ctxt)
+{
+	int iopl;
+	if (ctxt->mode == X86EMUL_MODE_REAL)
+		return false;
+	if (ctxt->mode == X86EMUL_MODE_VM86)
+		return true;
+	iopl = (ctxt->eflags & X86_EFLAGS_IOPL) >> IOPL_SHIFT;
+	return kvm_x86_ops->get_cpl(ctxt->vcpu) > iopl;
+}
+
+static bool emulator_io_port_access_allowed(struct x86_emulate_ctxt *ctxt,
+					    struct x86_emulate_ops *ops,
+					    u16 port, u16 len)
+{
+	struct kvm_segment tr_seg;
+	int r;
+	u16 io_bitmap_ptr;
+	u8 perm, bit_idx = port & 0x7;
+	unsigned mask = (1 << len) - 1;
+
+	kvm_get_segment(ctxt->vcpu, &tr_seg, VCPU_SREG_TR);
+	if (tr_seg.unusable)
+		return false;
+	if (tr_seg.limit < 103)
+		return false;
+	r = ops->read_std(tr_seg.base + 102, &io_bitmap_ptr, 2, ctxt->vcpu,
+			  NULL);
+	if (r != X86EMUL_CONTINUE)
+		return false;
+	if (io_bitmap_ptr + port/8 > tr_seg.limit)
+		return false;
+	r = ops->read_std(tr_seg.base + io_bitmap_ptr + port/8, &perm, 1,
+			  ctxt->vcpu, NULL);
+	if (r != X86EMUL_CONTINUE)
+		return false;
+	if ((perm >> bit_idx) & mask)
+		return false;
+	return true;
+}
+
+static bool emulator_io_permited(struct x86_emulate_ctxt *ctxt,
+				 struct x86_emulate_ops *ops,
+				 u16 port, u16 len)
+{
+	if (emulator_bad_iopl(ctxt))
+		if (!emulator_io_port_access_allowed(ctxt, ops, port, len))
+			return false;
+	return true;
 }
 
 int
@@ -1709,6 +1828,18 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 	memcpy(c->regs, ctxt->vcpu->arch.regs, sizeof c->regs);
 	saved_eip = c->eip;
 
+	/* LOCK prefix is allowed only with some instructions */
+	if (c->lock_prefix && !(c->d & Lock)) {
+		kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
+		goto done;
+	}
+
+	/* Privileged instruction can be executed only in CPL=0 */
+	if ((c->d & Priv) && kvm_x86_ops->get_cpl(ctxt->vcpu)) {
+		kvm_inject_gp(ctxt->vcpu, 0);
+		goto done;
+	}
+
 	if (((c->d & ModRM) && (c->modrm_mod != 3)) || (c->d & MemAbs))
 		memop = c->modrm_ea;
 
@@ -1749,7 +1880,7 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 					&c->src.val,
 					c->src.bytes,
 					ctxt->vcpu);
-		if (rc != 0)
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		c->src.orig_val = c->src.val;
 	}
@@ -1768,12 +1899,15 @@ x86_emulate_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops)
 			c->dst.ptr = (void *)c->dst.ptr +
 						   (c->src.val & mask) / 8;
 		}
-		if (!(c->d & Mov) &&
-				   /* optimisation - avoid slow emulated read */
-		    ((rc = ops->read_emulated((unsigned long)c->dst.ptr,
-					   &c->dst.val,
-					  c->dst.bytes, ctxt->vcpu)) != 0))
-			goto done;
+		if (!(c->d & Mov)) {
+			/* optimisation - avoid slow emulated read */
+			rc = ops->read_emulated((unsigned long)c->dst.ptr,
+						&c->dst.val,
+						c->dst.bytes,
+						ctxt->vcpu);
+			if (rc != X86EMUL_CONTINUE)
+				goto done;
+		}
 	}
 	c->dst.orig_val = c->dst.val;
 
@@ -1876,7 +2010,12 @@ special_insn:
 		break;
 	case 0x6c:		/* insb */
 	case 0x6d:		/* insw/insd */
-		 if (kvm_emulate_pio_string(ctxt->vcpu,
+		if (!emulator_io_permited(ctxt, ops, c->regs[VCPU_REGS_RDX],
+					  (c->d & ByteOp) ? 1 : c->op_bytes)) {
+			kvm_inject_gp(ctxt->vcpu, 0);
+			goto done;
+		}
+		if (kvm_emulate_pio_string(ctxt->vcpu,
 				1,
 				(c->d & ByteOp) ? 1 : c->op_bytes,
 				c->rep_prefix ?
@@ -1892,6 +2031,11 @@ special_insn:
 		return 0;
 	case 0x6e:		/* outsb */
 	case 0x6f:		/* outsw/outsd */
+		if (!emulator_io_permited(ctxt, ops, c->regs[VCPU_REGS_RDX],
+					  (c->d & ByteOp) ? 1 : c->op_bytes)) {
+			kvm_inject_gp(ctxt->vcpu, 0);
+			goto done;
+		}
 		if (kvm_emulate_pio_string(ctxt->vcpu,
 				0,
 				(c->d & ByteOp) ? 1 : c->op_bytes,
@@ -1978,25 +2122,19 @@ special_insn:
 		break;
 	case 0x8e: { /* mov seg, r/m16 */
 		uint16_t sel;
-		int type_bits;
-		int err;
 
 		sel = c->src.val;
-		if (c->modrm_reg == VCPU_SREG_SS)
-			toggle_interruptibility(ctxt, X86_SHADOW_INT_MOV_SS);
 
-		if (c->modrm_reg <= 5) {
-			type_bits = (c->modrm_reg == 1) ? 9 : 1;
-			err = kvm_load_segment_descriptor(ctxt->vcpu, sel,
-							  type_bits, c->modrm_reg);
-		} else {
-			printk(KERN_INFO "Invalid segreg in modrm byte 0x%02x\n",
-					c->modrm);
-			goto cannot_emulate;
+		if (c->modrm_reg == VCPU_SREG_CS ||
+		    c->modrm_reg > VCPU_SREG_GS) {
+			kvm_queue_exception(ctxt->vcpu, UD_VECTOR);
+			goto done;
 		}
 
-		if (err < 0)
-			goto cannot_emulate;
+		if (c->modrm_reg == VCPU_SREG_SS)
+			toggle_interruptibility(ctxt, X86_SHADOW_INT_MOV_SS);
+
+		rc = kvm_load_segment_descriptor(ctxt->vcpu, sel, c->modrm_reg);
 
 		c->dst.type = OP_NONE;  /* Disable writeback. */
 		break;
@@ -2025,7 +2163,10 @@ special_insn:
 		c->dst.type = OP_REG;
 		c->dst.ptr = (unsigned long *) &ctxt->eflags;
 		c->dst.bytes = c->op_bytes;
-		goto pop_instruction;
+		rc = emulate_popf(ctxt, ops, &c->dst.val, c->op_bytes);
+		if (rc != X86EMUL_CONTINUE)
+			goto done;
+		break;
 	case 0xa0 ... 0xa1:	/* mov */
 		c->dst.ptr = (unsigned long *)&c->regs[VCPU_REGS_RAX];
 		c->dst.val = c->src.val;
@@ -2039,11 +2180,12 @@ special_insn:
 		c->dst.ptr = (unsigned long *)register_address(c,
 						   es_base(ctxt),
 						   c->regs[VCPU_REGS_RDI]);
-		if ((rc = ops->read_emulated(register_address(c,
-					   seg_override_base(ctxt, c),
-					c->regs[VCPU_REGS_RSI]),
+		rc = ops->read_emulated(register_address(c,
+						seg_override_base(ctxt, c),
+						c->regs[VCPU_REGS_RSI]),
 					&c->dst.val,
-					c->dst.bytes, ctxt->vcpu)) != 0)
+					c->dst.bytes, ctxt->vcpu);
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		register_address_increment(c, &c->regs[VCPU_REGS_RSI],
 				       (ctxt->eflags & EFLG_DF) ? -c->dst.bytes
@@ -2058,10 +2200,11 @@ special_insn:
 		c->src.ptr = (unsigned long *)register_address(c,
 				       seg_override_base(ctxt, c),
 						   c->regs[VCPU_REGS_RSI]);
-		if ((rc = ops->read_emulated((unsigned long)c->src.ptr,
-						&c->src.val,
-						c->src.bytes,
-						ctxt->vcpu)) != 0)
+		rc = ops->read_emulated((unsigned long)c->src.ptr,
+					&c->src.val,
+					c->src.bytes,
+					ctxt->vcpu);
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 
 		c->dst.type = OP_NONE; /* Disable writeback. */
@@ -2069,10 +2212,11 @@ special_insn:
 		c->dst.ptr = (unsigned long *)register_address(c,
 						   es_base(ctxt),
 						   c->regs[VCPU_REGS_RDI]);
-		if ((rc = ops->read_emulated((unsigned long)c->dst.ptr,
-						&c->dst.val,
-						c->dst.bytes,
-						ctxt->vcpu)) != 0)
+		rc = ops->read_emulated((unsigned long)c->dst.ptr,
+					&c->dst.val,
+					c->dst.bytes,
+					ctxt->vcpu);
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 
 		DPRINTF("cmps: mem1=0x%p mem2=0x%p\n", c->src.ptr, c->dst.ptr);
@@ -2102,12 +2246,13 @@ special_insn:
 		c->dst.type = OP_REG;
 		c->dst.bytes = (c->d & ByteOp) ? 1 : c->op_bytes;
 		c->dst.ptr = (unsigned long *)&c->regs[VCPU_REGS_RAX];
-		if ((rc = ops->read_emulated(register_address(c,
-						 seg_override_base(ctxt, c),
-						 c->regs[VCPU_REGS_RSI]),
-						 &c->dst.val,
-						 c->dst.bytes,
-						 ctxt->vcpu)) != 0)
+		rc = ops->read_emulated(register_address(c,
+						seg_override_base(ctxt, c),
+						c->regs[VCPU_REGS_RSI]),
+					&c->dst.val,
+					c->dst.bytes,
+					ctxt->vcpu);
+		if (rc != X86EMUL_CONTINUE)
 			goto done;
 		register_address_increment(c, &c->regs[VCPU_REGS_RSI],
 				       (ctxt->eflags & EFLG_DF) ? -c->dst.bytes
@@ -2163,11 +2308,9 @@ special_insn:
 	case 0xe9: /* jmp rel */
 		goto jmp;
 	case 0xea: /* jmp far */
-		if (kvm_load_segment_descriptor(ctxt->vcpu, c->src2.val, 9,
-					VCPU_SREG_CS) < 0) {
-			DPRINTF("jmp far: Failed to load CS descriptor\n");
-			goto cannot_emulate;
-		}
+		if (kvm_load_segment_descriptor(ctxt->vcpu, c->src2.val,
+						VCPU_SREG_CS))
+			goto done;
 
 		c->eip = c->src.val;
 		break;
@@ -2185,7 +2328,13 @@ special_insn:
 	case 0xef: /* out (e/r)ax,dx */
 		port = c->regs[VCPU_REGS_RDX];
 		io_dir_in = 0;
-	do_io:	if (kvm_emulate_pio(ctxt->vcpu, io_dir_in,
+	do_io:
+		if (!emulator_io_permited(ctxt, ops, port,
+					  (c->d & ByteOp) ? 1 : c->op_bytes)) {
+			kvm_inject_gp(ctxt->vcpu, 0);
+			goto done;
+		}
+		if (kvm_emulate_pio(ctxt->vcpu, io_dir_in,
 				   (c->d & ByteOp) ? 1 : c->op_bytes,
 				   port) != 0) {
 			c->eip = saved_eip;
@@ -2210,13 +2359,21 @@ special_insn:
 		c->dst.type = OP_NONE;	/* Disable writeback. */
 		break;
 	case 0xfa: /* cli */
-		ctxt->eflags &= ~X86_EFLAGS_IF;
-		c->dst.type = OP_NONE;	/* Disable writeback. */
+		if (emulator_bad_iopl(ctxt))
+			kvm_inject_gp(ctxt->vcpu, 0);
+		else {
+			ctxt->eflags &= ~X86_EFLAGS_IF;
+			c->dst.type = OP_NONE;	/* Disable writeback. */
+		}
 		break;
 	case 0xfb: /* sti */
-		toggle_interruptibility(ctxt, X86_SHADOW_INT_STI);
-		ctxt->eflags |= X86_EFLAGS_IF;
-		c->dst.type = OP_NONE;	/* Disable writeback. */
+		if (emulator_bad_iopl(ctxt))
+			kvm_inject_gp(ctxt->vcpu, 0);
+		else {
+			toggle_interruptibility(ctxt, X86_SHADOW_INT_STI);
+			ctxt->eflags |= X86_EFLAGS_IF;
+			c->dst.type = OP_NONE;	/* Disable writeback. */
+		}
 		break;
 	case 0xfc: /* cld */
 		ctxt->eflags &= ~EFLG_DF;
@@ -2319,8 +2476,9 @@ twobyte_insn:
 		}
 		break;
 	case 0x05: 		/* syscall */
-		if (emulate_syscall(ctxt) == -1)
-			goto cannot_emulate;
+		rc = emulate_syscall(ctxt);
+		if (rc != X86EMUL_CONTINUE)
+			goto done;
 		else
 			goto writeback;
 		break;
@@ -2391,14 +2549,16 @@ twobyte_insn:
 		c->dst.type = OP_NONE;
 		break;
 	case 0x34:		/* sysenter */
-		if (emulate_sysenter(ctxt) == -1)
-			goto cannot_emulate;
+		rc = emulate_sysenter(ctxt);
+		if (rc != X86EMUL_CONTINUE)
+			goto done;
 		else
 			goto writeback;
 		break;
 	case 0x35:		/* sysexit */
-		if (emulate_sysexit(ctxt) == -1)
-			goto cannot_emulate;
+		rc = emulate_sysexit(ctxt);
+		if (rc != X86EMUL_CONTINUE)
+			goto done;
 		else
 			goto writeback;
 		break;
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index 15578f180e59..294698b6daff 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -242,11 +242,11 @@ static void kvm_pit_ack_irq(struct kvm_irq_ack_notifier *kian)
 {
 	struct kvm_kpit_state *ps = container_of(kian, struct kvm_kpit_state,
 						 irq_ack_notifier);
-	spin_lock(&ps->inject_lock);
+	raw_spin_lock(&ps->inject_lock);
 	if (atomic_dec_return(&ps->pit_timer.pending) < 0)
 		atomic_inc(&ps->pit_timer.pending);
 	ps->irq_ack = 1;
-	spin_unlock(&ps->inject_lock);
+	raw_spin_unlock(&ps->inject_lock);
 }
 
 void __kvm_migrate_pit_timer(struct kvm_vcpu *vcpu)
@@ -605,7 +605,7 @@ static const struct kvm_io_device_ops speaker_dev_ops = {
 	.write    = speaker_ioport_write,
 };
 
-/* Caller must have writers lock on slots_lock */
+/* Caller must hold slots_lock */
 struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags)
 {
 	struct kvm_pit *pit;
@@ -624,7 +624,7 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags)
 
 	mutex_init(&pit->pit_state.lock);
 	mutex_lock(&pit->pit_state.lock);
-	spin_lock_init(&pit->pit_state.inject_lock);
+	raw_spin_lock_init(&pit->pit_state.inject_lock);
 
 	kvm->arch.vpit = pit;
 	pit->kvm = kvm;
@@ -645,13 +645,13 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags)
 	kvm_register_irq_mask_notifier(kvm, 0, &pit->mask_notifier);
 
 	kvm_iodevice_init(&pit->dev, &pit_dev_ops);
-	ret = __kvm_io_bus_register_dev(&kvm->pio_bus, &pit->dev);
+	ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, &pit->dev);
 	if (ret < 0)
 		goto fail;
 
 	if (flags & KVM_PIT_SPEAKER_DUMMY) {
 		kvm_iodevice_init(&pit->speaker_dev, &speaker_dev_ops);
-		ret = __kvm_io_bus_register_dev(&kvm->pio_bus,
+		ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS,
 						&pit->speaker_dev);
 		if (ret < 0)
 			goto fail_unregister;
@@ -660,11 +660,12 @@ struct kvm_pit *kvm_create_pit(struct kvm *kvm, u32 flags)
 	return pit;
 
 fail_unregister:
-	__kvm_io_bus_unregister_dev(&kvm->pio_bus, &pit->dev);
+	kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &pit->dev);
 
 fail:
-	if (pit->irq_source_id >= 0)
-		kvm_free_irq_source_id(kvm, pit->irq_source_id);
+	kvm_unregister_irq_mask_notifier(kvm, 0, &pit->mask_notifier);
+	kvm_unregister_irq_ack_notifier(kvm, &pit_state->irq_ack_notifier);
+	kvm_free_irq_source_id(kvm, pit->irq_source_id);
 
 	kfree(pit);
 	return NULL;
@@ -723,12 +724,12 @@ void kvm_inject_pit_timer_irqs(struct kvm_vcpu *vcpu)
 		/* Try to inject pending interrupts when
 		 * last one has been acked.
 		 */
-		spin_lock(&ps->inject_lock);
+		raw_spin_lock(&ps->inject_lock);
 		if (atomic_read(&ps->pit_timer.pending) && ps->irq_ack) {
 			ps->irq_ack = 0;
 			inject = 1;
 		}
-		spin_unlock(&ps->inject_lock);
+		raw_spin_unlock(&ps->inject_lock);
 		if (inject)
 			__inject_pit_timer_intr(kvm);
 	}
diff --git a/arch/x86/kvm/i8254.h b/arch/x86/kvm/i8254.h
index d4c1c7ffdc09..900d6b0ba7c2 100644
--- a/arch/x86/kvm/i8254.h
+++ b/arch/x86/kvm/i8254.h
@@ -27,7 +27,7 @@ struct kvm_kpit_state {
 	u32    speaker_data_on;
 	struct mutex lock;
 	struct kvm_pit *pit;
-	spinlock_t inject_lock;
+	raw_spinlock_t inject_lock;
 	unsigned long irq_ack;
 	struct kvm_irq_ack_notifier irq_ack_notifier;
 };
diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c
index d057c0cbd245..07771da85de5 100644
--- a/arch/x86/kvm/i8259.c
+++ b/arch/x86/kvm/i8259.c
@@ -44,18 +44,19 @@ static void pic_clear_isr(struct kvm_kpic_state *s, int irq)
 	 * Other interrupt may be delivered to PIC while lock is dropped but
 	 * it should be safe since PIC state is already updated at this stage.
 	 */
-	spin_unlock(&s->pics_state->lock);
+	raw_spin_unlock(&s->pics_state->lock);
 	kvm_notify_acked_irq(s->pics_state->kvm, SELECT_PIC(irq), irq);
-	spin_lock(&s->pics_state->lock);
+	raw_spin_lock(&s->pics_state->lock);
 }
 
 void kvm_pic_clear_isr_ack(struct kvm *kvm)
 {
 	struct kvm_pic *s = pic_irqchip(kvm);
-	spin_lock(&s->lock);
+
+	raw_spin_lock(&s->lock);
 	s->pics[0].isr_ack = 0xff;
 	s->pics[1].isr_ack = 0xff;
-	spin_unlock(&s->lock);
+	raw_spin_unlock(&s->lock);
 }
 
 /*
@@ -156,9 +157,9 @@ static void pic_update_irq(struct kvm_pic *s)
 
 void kvm_pic_update_irq(struct kvm_pic *s)
 {
-	spin_lock(&s->lock);
+	raw_spin_lock(&s->lock);
 	pic_update_irq(s);
-	spin_unlock(&s->lock);
+	raw_spin_unlock(&s->lock);
 }
 
 int kvm_pic_set_irq(void *opaque, int irq, int level)
@@ -166,14 +167,14 @@ int kvm_pic_set_irq(void *opaque, int irq, int level)
 	struct kvm_pic *s = opaque;
 	int ret = -1;
 
-	spin_lock(&s->lock);
+	raw_spin_lock(&s->lock);
 	if (irq >= 0 && irq < PIC_NUM_PINS) {
 		ret = pic_set_irq1(&s->pics[irq >> 3], irq & 7, level);
 		pic_update_irq(s);
 		trace_kvm_pic_set_irq(irq >> 3, irq & 7, s->pics[irq >> 3].elcr,
 				      s->pics[irq >> 3].imr, ret == 0);
 	}
-	spin_unlock(&s->lock);
+	raw_spin_unlock(&s->lock);
 
 	return ret;
 }
@@ -203,7 +204,7 @@ int kvm_pic_read_irq(struct kvm *kvm)
 	int irq, irq2, intno;
 	struct kvm_pic *s = pic_irqchip(kvm);
 
-	spin_lock(&s->lock);
+	raw_spin_lock(&s->lock);
 	irq = pic_get_irq(&s->pics[0]);
 	if (irq >= 0) {
 		pic_intack(&s->pics[0], irq);
@@ -228,7 +229,7 @@ int kvm_pic_read_irq(struct kvm *kvm)
 		intno = s->pics[0].irq_base + irq;
 	}
 	pic_update_irq(s);
-	spin_unlock(&s->lock);
+	raw_spin_unlock(&s->lock);
 
 	return intno;
 }
@@ -442,7 +443,7 @@ static int picdev_write(struct kvm_io_device *this,
 			printk(KERN_ERR "PIC: non byte write\n");
 		return 0;
 	}
-	spin_lock(&s->lock);
+	raw_spin_lock(&s->lock);
 	switch (addr) {
 	case 0x20:
 	case 0x21:
@@ -455,7 +456,7 @@ static int picdev_write(struct kvm_io_device *this,
 		elcr_ioport_write(&s->pics[addr & 1], addr, data);
 		break;
 	}
-	spin_unlock(&s->lock);
+	raw_spin_unlock(&s->lock);
 	return 0;
 }
 
@@ -472,7 +473,7 @@ static int picdev_read(struct kvm_io_device *this,
 			printk(KERN_ERR "PIC: non byte read\n");
 		return 0;
 	}
-	spin_lock(&s->lock);
+	raw_spin_lock(&s->lock);
 	switch (addr) {
 	case 0x20:
 	case 0x21:
@@ -486,7 +487,7 @@ static int picdev_read(struct kvm_io_device *this,
 		break;
 	}
 	*(unsigned char *)val = data;
-	spin_unlock(&s->lock);
+	raw_spin_unlock(&s->lock);
 	return 0;
 }
 
@@ -520,7 +521,7 @@ struct kvm_pic *kvm_create_pic(struct kvm *kvm)
 	s = kzalloc(sizeof(struct kvm_pic), GFP_KERNEL);
 	if (!s)
 		return NULL;
-	spin_lock_init(&s->lock);
+	raw_spin_lock_init(&s->lock);
 	s->kvm = kvm;
 	s->pics[0].elcr_mask = 0xf8;
 	s->pics[1].elcr_mask = 0xde;
@@ -533,7 +534,9 @@ struct kvm_pic *kvm_create_pic(struct kvm *kvm)
 	 * Initialize PIO device
 	 */
 	kvm_iodevice_init(&s->dev, &picdev_ops);
-	ret = kvm_io_bus_register_dev(kvm, &kvm->pio_bus, &s->dev);
+	mutex_lock(&kvm->slots_lock);
+	ret = kvm_io_bus_register_dev(kvm, KVM_PIO_BUS, &s->dev);
+	mutex_unlock(&kvm->slots_lock);
 	if (ret < 0) {
 		kfree(s);
 		return NULL;
@@ -541,3 +544,14 @@ struct kvm_pic *kvm_create_pic(struct kvm *kvm)
 
 	return s;
 }
+
+void kvm_destroy_pic(struct kvm *kvm)
+{
+	struct kvm_pic *vpic = kvm->arch.vpic;
+
+	if (vpic) {
+		kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS, &vpic->dev);
+		kvm->arch.vpic = NULL;
+		kfree(vpic);
+	}
+}
diff --git a/arch/x86/kvm/irq.h b/arch/x86/kvm/irq.h
index be399e207d57..34b15915754d 100644
--- a/arch/x86/kvm/irq.h
+++ b/arch/x86/kvm/irq.h
@@ -62,7 +62,7 @@ struct kvm_kpic_state {
 };
 
 struct kvm_pic {
-	spinlock_t lock;
+	raw_spinlock_t lock;
 	unsigned pending_acks;
 	struct kvm *kvm;
 	struct kvm_kpic_state pics[2]; /* 0 is master pic, 1 is slave pic */
@@ -75,6 +75,7 @@ struct kvm_pic {
 };
 
 struct kvm_pic *kvm_create_pic(struct kvm *kvm);
+void kvm_destroy_pic(struct kvm *kvm);
 int kvm_pic_read_irq(struct kvm *kvm);
 void kvm_pic_update_irq(struct kvm_pic *s);
 void kvm_pic_clear_isr_ack(struct kvm *kvm);
diff --git a/arch/x86/kvm/kvm_cache_regs.h b/arch/x86/kvm/kvm_cache_regs.h
index 7bcc5b6a4403..cff851cf5322 100644
--- a/arch/x86/kvm/kvm_cache_regs.h
+++ b/arch/x86/kvm/kvm_cache_regs.h
@@ -1,6 +1,11 @@
 #ifndef ASM_KVM_CACHE_REGS_H
 #define ASM_KVM_CACHE_REGS_H
 
+#define KVM_POSSIBLE_CR0_GUEST_BITS X86_CR0_TS
+#define KVM_POSSIBLE_CR4_GUEST_BITS				  \
+	(X86_CR4_PVI | X86_CR4_DE | X86_CR4_PCE | X86_CR4_OSFXSR  \
+	 | X86_CR4_OSXMMEXCPT | X86_CR4_PGE)
+
 static inline unsigned long kvm_register_read(struct kvm_vcpu *vcpu,
 					      enum kvm_reg reg)
 {
@@ -38,4 +43,30 @@ static inline u64 kvm_pdptr_read(struct kvm_vcpu *vcpu, int index)
 	return vcpu->arch.pdptrs[index];
 }
 
+static inline ulong kvm_read_cr0_bits(struct kvm_vcpu *vcpu, ulong mask)
+{
+	ulong tmask = mask & KVM_POSSIBLE_CR0_GUEST_BITS;
+	if (tmask & vcpu->arch.cr0_guest_owned_bits)
+		kvm_x86_ops->decache_cr0_guest_bits(vcpu);
+	return vcpu->arch.cr0 & mask;
+}
+
+static inline ulong kvm_read_cr0(struct kvm_vcpu *vcpu)
+{
+	return kvm_read_cr0_bits(vcpu, ~0UL);
+}
+
+static inline ulong kvm_read_cr4_bits(struct kvm_vcpu *vcpu, ulong mask)
+{
+	ulong tmask = mask & KVM_POSSIBLE_CR4_GUEST_BITS;
+	if (tmask & vcpu->arch.cr4_guest_owned_bits)
+		kvm_x86_ops->decache_cr4_guest_bits(vcpu);
+	return vcpu->arch.cr4 & mask;
+}
+
+static inline ulong kvm_read_cr4(struct kvm_vcpu *vcpu)
+{
+	return kvm_read_cr4_bits(vcpu, ~0UL);
+}
+
 #endif
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index ba8c045da782..4b224f90087b 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -1246,3 +1246,34 @@ int kvm_x2apic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data)
 
 	return 0;
 }
+
+int kvm_hv_vapic_msr_write(struct kvm_vcpu *vcpu, u32 reg, u64 data)
+{
+	struct kvm_lapic *apic = vcpu->arch.apic;
+
+	if (!irqchip_in_kernel(vcpu->kvm))
+		return 1;
+
+	/* if this is ICR write vector before command */
+	if (reg == APIC_ICR)
+		apic_reg_write(apic, APIC_ICR2, (u32)(data >> 32));
+	return apic_reg_write(apic, reg, (u32)data);
+}
+
+int kvm_hv_vapic_msr_read(struct kvm_vcpu *vcpu, u32 reg, u64 *data)
+{
+	struct kvm_lapic *apic = vcpu->arch.apic;
+	u32 low, high = 0;
+
+	if (!irqchip_in_kernel(vcpu->kvm))
+		return 1;
+
+	if (apic_reg_read(apic, reg, 4, &low))
+		return 1;
+	if (reg == APIC_ICR)
+		apic_reg_read(apic, APIC_ICR2, 4, &high);
+
+	*data = (((u64)high) << 32) | low;
+
+	return 0;
+}
diff --git a/arch/x86/kvm/lapic.h b/arch/x86/kvm/lapic.h
index 40010b09c4aa..f5fe32c5edad 100644
--- a/arch/x86/kvm/lapic.h
+++ b/arch/x86/kvm/lapic.h
@@ -48,4 +48,12 @@ void kvm_lapic_sync_to_vapic(struct kvm_vcpu *vcpu);
 
 int kvm_x2apic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data);
 int kvm_x2apic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data);
+
+int kvm_hv_vapic_msr_write(struct kvm_vcpu *vcpu, u32 msr, u64 data);
+int kvm_hv_vapic_msr_read(struct kvm_vcpu *vcpu, u32 msr, u64 *data);
+
+static inline bool kvm_hv_vapic_assist_page_enabled(struct kvm_vcpu *vcpu)
+{
+	return vcpu->arch.hv_vapic & HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE;
+}
 #endif
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 89a49fb46a27..741373e8ca77 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -18,6 +18,7 @@
  */
 
 #include "mmu.h"
+#include "x86.h"
 #include "kvm_cache_regs.h"
 
 #include <linux/kvm_host.h>
@@ -29,6 +30,7 @@
 #include <linux/swap.h>
 #include <linux/hugetlb.h>
 #include <linux/compiler.h>
+#include <linux/srcu.h>
 
 #include <asm/page.h>
 #include <asm/cmpxchg.h>
@@ -136,16 +138,6 @@ module_param(oos_shadow, bool, 0644);
 #define PT64_PERM_MASK (PT_PRESENT_MASK | PT_WRITABLE_MASK | PT_USER_MASK \
 			| PT64_NX_MASK)
 
-#define PFERR_PRESENT_MASK (1U << 0)
-#define PFERR_WRITE_MASK (1U << 1)
-#define PFERR_USER_MASK (1U << 2)
-#define PFERR_RSVD_MASK (1U << 3)
-#define PFERR_FETCH_MASK (1U << 4)
-
-#define PT_PDPE_LEVEL 3
-#define PT_DIRECTORY_LEVEL 2
-#define PT_PAGE_TABLE_LEVEL 1
-
 #define RMAP_EXT 4
 
 #define ACC_EXEC_MASK    1
@@ -153,6 +145,9 @@ module_param(oos_shadow, bool, 0644);
 #define ACC_USER_MASK    PT_USER_MASK
 #define ACC_ALL          (ACC_EXEC_MASK | ACC_WRITE_MASK | ACC_USER_MASK)
 
+#include <trace/events/kvm.h>
+
+#undef TRACE_INCLUDE_FILE
 #define CREATE_TRACE_POINTS
 #include "mmutrace.h"
 
@@ -229,7 +224,7 @@ EXPORT_SYMBOL_GPL(kvm_mmu_set_mask_ptes);
 
 static int is_write_protection(struct kvm_vcpu *vcpu)
 {
-	return vcpu->arch.cr0 & X86_CR0_WP;
+	return kvm_read_cr0_bits(vcpu, X86_CR0_WP);
 }
 
 static int is_cpuid_PSE36(void)
@@ -239,7 +234,7 @@ static int is_cpuid_PSE36(void)
 
 static int is_nx(struct kvm_vcpu *vcpu)
 {
-	return vcpu->arch.shadow_efer & EFER_NX;
+	return vcpu->arch.efer & EFER_NX;
 }
 
 static int is_shadow_present_pte(u64 pte)
@@ -253,7 +248,7 @@ static int is_large_pte(u64 pte)
 	return pte & PT_PAGE_SIZE_MASK;
 }
 
-static int is_writeble_pte(unsigned long pte)
+static int is_writable_pte(unsigned long pte)
 {
 	return pte & PT_WRITABLE_MASK;
 }
@@ -470,24 +465,10 @@ static int has_wrprotected_page(struct kvm *kvm,
 
 static int host_mapping_level(struct kvm *kvm, gfn_t gfn)
 {
-	unsigned long page_size = PAGE_SIZE;
-	struct vm_area_struct *vma;
-	unsigned long addr;
+	unsigned long page_size;
 	int i, ret = 0;
 
-	addr = gfn_to_hva(kvm, gfn);
-	if (kvm_is_error_hva(addr))
-		return PT_PAGE_TABLE_LEVEL;
-
-	down_read(&current->mm->mmap_sem);
-	vma = find_vma(current->mm, addr);
-	if (!vma)
-		goto out;
-
-	page_size = vma_kernel_pagesize(vma);
-
-out:
-	up_read(&current->mm->mmap_sem);
+	page_size = kvm_host_page_size(kvm, gfn);
 
 	for (i = PT_PAGE_TABLE_LEVEL;
 	     i < (PT_PAGE_TABLE_LEVEL + KVM_NR_PAGE_SIZES); ++i) {
@@ -503,8 +484,7 @@ out:
 static int mapping_level(struct kvm_vcpu *vcpu, gfn_t large_gfn)
 {
 	struct kvm_memory_slot *slot;
-	int host_level;
-	int level = PT_PAGE_TABLE_LEVEL;
+	int host_level, level, max_level;
 
 	slot = gfn_to_memslot(vcpu->kvm, large_gfn);
 	if (slot && slot->dirty_bitmap)
@@ -515,7 +495,10 @@ static int mapping_level(struct kvm_vcpu *vcpu, gfn_t large_gfn)
 	if (host_level == PT_PAGE_TABLE_LEVEL)
 		return host_level;
 
-	for (level = PT_DIRECTORY_LEVEL; level <= host_level; ++level)
+	max_level = kvm_x86_ops->get_lpage_level() < host_level ?
+		kvm_x86_ops->get_lpage_level() : host_level;
+
+	for (level = PT_DIRECTORY_LEVEL; level <= max_level; ++level)
 		if (has_wrprotected_page(vcpu->kvm, large_gfn, level))
 			break;
 
@@ -633,7 +616,7 @@ static void rmap_remove(struct kvm *kvm, u64 *spte)
 	pfn = spte_to_pfn(*spte);
 	if (*spte & shadow_accessed_mask)
 		kvm_set_pfn_accessed(pfn);
-	if (is_writeble_pte(*spte))
+	if (is_writable_pte(*spte))
 		kvm_set_pfn_dirty(pfn);
 	rmapp = gfn_to_rmap(kvm, sp->gfns[spte - sp->spt], sp->role.level);
 	if (!*rmapp) {
@@ -662,6 +645,7 @@ static void rmap_remove(struct kvm *kvm, u64 *spte)
 			prev_desc = desc;
 			desc = desc->more;
 		}
+		pr_err("rmap_remove: %p %llx many->many\n", spte, *spte);
 		BUG();
 	}
 }
@@ -708,7 +692,7 @@ static int rmap_write_protect(struct kvm *kvm, u64 gfn)
 		BUG_ON(!spte);
 		BUG_ON(!(*spte & PT_PRESENT_MASK));
 		rmap_printk("rmap_write_protect: spte %p %llx\n", spte, *spte);
-		if (is_writeble_pte(*spte)) {
+		if (is_writable_pte(*spte)) {
 			__set_spte(spte, *spte & ~PT_WRITABLE_MASK);
 			write_protected = 1;
 		}
@@ -732,7 +716,7 @@ static int rmap_write_protect(struct kvm *kvm, u64 gfn)
 			BUG_ON(!(*spte & PT_PRESENT_MASK));
 			BUG_ON((*spte & (PT_PAGE_SIZE_MASK|PT_PRESENT_MASK)) != (PT_PAGE_SIZE_MASK|PT_PRESENT_MASK));
 			pgprintk("rmap_write_protect(large): spte %p %llx %lld\n", spte, *spte, gfn);
-			if (is_writeble_pte(*spte)) {
+			if (is_writable_pte(*spte)) {
 				rmap_remove(kvm, spte);
 				--kvm->stat.lpages;
 				__set_spte(spte, shadow_trap_nonpresent_pte);
@@ -787,7 +771,7 @@ static int kvm_set_pte_rmapp(struct kvm *kvm, unsigned long *rmapp,
 
 			new_spte &= ~PT_WRITABLE_MASK;
 			new_spte &= ~SPTE_HOST_WRITEABLE;
-			if (is_writeble_pte(*spte))
+			if (is_writable_pte(*spte))
 				kvm_set_pfn_dirty(spte_to_pfn(*spte));
 			__set_spte(spte, new_spte);
 			spte = rmap_next(kvm, rmapp, spte);
@@ -805,35 +789,32 @@ static int kvm_handle_hva(struct kvm *kvm, unsigned long hva,
 					 unsigned long data))
 {
 	int i, j;
+	int ret;
 	int retval = 0;
+	struct kvm_memslots *slots;
 
-	/*
-	 * If mmap_sem isn't taken, we can look the memslots with only
-	 * the mmu_lock by skipping over the slots with userspace_addr == 0.
-	 */
-	for (i = 0; i < kvm->nmemslots; i++) {
-		struct kvm_memory_slot *memslot = &kvm->memslots[i];
+	slots = rcu_dereference(kvm->memslots);
+
+	for (i = 0; i < slots->nmemslots; i++) {
+		struct kvm_memory_slot *memslot = &slots->memslots[i];
 		unsigned long start = memslot->userspace_addr;
 		unsigned long end;
 
-		/* mmu_lock protects userspace_addr */
-		if (!start)
-			continue;
-
 		end = start + (memslot->npages << PAGE_SHIFT);
 		if (hva >= start && hva < end) {
 			gfn_t gfn_offset = (hva - start) >> PAGE_SHIFT;
 
-			retval |= handler(kvm, &memslot->rmap[gfn_offset],
-					  data);
+			ret = handler(kvm, &memslot->rmap[gfn_offset], data);
 
 			for (j = 0; j < KVM_NR_PAGE_SIZES - 1; ++j) {
 				int idx = gfn_offset;
 				idx /= KVM_PAGES_PER_HPAGE(PT_DIRECTORY_LEVEL + j);
-				retval |= handler(kvm,
+				ret |= handler(kvm,
 					&memslot->lpage_info[j][idx].rmap_pde,
 					data);
 			}
+			trace_kvm_age_page(hva, memslot, ret);
+			retval |= ret;
 		}
 	}
 
@@ -856,9 +837,15 @@ static int kvm_age_rmapp(struct kvm *kvm, unsigned long *rmapp,
 	u64 *spte;
 	int young = 0;
 
-	/* always return old for EPT */
+	/*
+	 * Emulate the accessed bit for EPT, by checking if this page has
+	 * an EPT mapping, and clearing it if it does. On the next access,
+	 * a new EPT mapping will be established.
+	 * This has some overhead, but not as much as the cost of swapping
+	 * out actively used pages or breaking up actively used hugepages.
+	 */
 	if (!shadow_accessed_mask)
-		return 0;
+		return kvm_unmap_rmapp(kvm, rmapp, data);
 
 	spte = rmap_next(kvm, rmapp, NULL);
 	while (spte) {
@@ -1615,7 +1602,7 @@ static void mmu_unshadow(struct kvm *kvm, gfn_t gfn)
 
 static void page_header_update_slot(struct kvm *kvm, void *pte, gfn_t gfn)
 {
-	int slot = memslot_id(kvm, gfn_to_memslot(kvm, gfn));
+	int slot = memslot_id(kvm, gfn);
 	struct kvm_mmu_page *sp = page_header(__pa(pte));
 
 	__set_bit(slot, sp->slot_bitmap);
@@ -1639,7 +1626,7 @@ struct page *gva_to_page(struct kvm_vcpu *vcpu, gva_t gva)
 {
 	struct page *page;
 
-	gpa_t gpa = vcpu->arch.mmu.gva_to_gpa(vcpu, gva);
+	gpa_t gpa = kvm_mmu_gva_to_gpa_read(vcpu, gva, NULL);
 
 	if (gpa == UNMAPPED_GVA)
 		return NULL;
@@ -1852,7 +1839,7 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
 		 * is responsibility of mmu_get_page / kvm_sync_page.
 		 * Same reasoning can be applied to dirty page accounting.
 		 */
-		if (!can_unsync && is_writeble_pte(*sptep))
+		if (!can_unsync && is_writable_pte(*sptep))
 			goto set_pte;
 
 		if (mmu_need_write_protect(vcpu, gfn, can_unsync)) {
@@ -1860,7 +1847,7 @@ static int set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
 				 __func__, gfn);
 			ret = 1;
 			pte_access &= ~ACC_WRITE_MASK;
-			if (is_writeble_pte(spte))
+			if (is_writable_pte(spte))
 				spte &= ~PT_WRITABLE_MASK;
 		}
 	}
@@ -1881,7 +1868,7 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
 			 bool reset_host_protection)
 {
 	int was_rmapped = 0;
-	int was_writeble = is_writeble_pte(*sptep);
+	int was_writable = is_writable_pte(*sptep);
 	int rmap_count;
 
 	pgprintk("%s: spte %llx access %x write_fault %d"
@@ -1932,7 +1919,7 @@ static void mmu_set_spte(struct kvm_vcpu *vcpu, u64 *sptep,
 		if (rmap_count > RMAP_RECYCLE_THRESHOLD)
 			rmap_recycle(vcpu, sptep, gfn);
 	} else {
-		if (was_writeble)
+		if (was_writable)
 			kvm_release_pfn_dirty(pfn);
 		else
 			kvm_release_pfn_clean(pfn);
@@ -2162,8 +2149,11 @@ void kvm_mmu_sync_roots(struct kvm_vcpu *vcpu)
 	spin_unlock(&vcpu->kvm->mmu_lock);
 }
 
-static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr)
+static gpa_t nonpaging_gva_to_gpa(struct kvm_vcpu *vcpu, gva_t vaddr,
+				  u32 access, u32 *error)
 {
+	if (error)
+		*error = 0;
 	return vaddr;
 }
 
@@ -2747,7 +2737,7 @@ int kvm_mmu_unprotect_page_virt(struct kvm_vcpu *vcpu, gva_t gva)
 	if (tdp_enabled)
 		return 0;
 
-	gpa = vcpu->arch.mmu.gva_to_gpa(vcpu, gva);
+	gpa = kvm_mmu_gva_to_gpa_read(vcpu, gva, NULL);
 
 	spin_lock(&vcpu->kvm->mmu_lock);
 	r = kvm_mmu_unprotect_page(vcpu->kvm, gpa >> PAGE_SHIFT);
@@ -2847,16 +2837,13 @@ static int alloc_mmu_pages(struct kvm_vcpu *vcpu)
 	 */
 	page = alloc_page(GFP_KERNEL | __GFP_DMA32);
 	if (!page)
-		goto error_1;
+		return -ENOMEM;
+
 	vcpu->arch.mmu.pae_root = page_address(page);
 	for (i = 0; i < 4; ++i)
 		vcpu->arch.mmu.pae_root[i] = INVALID_PAGE;
 
 	return 0;
-
-error_1:
-	free_mmu_pages(vcpu);
-	return -ENOMEM;
 }
 
 int kvm_mmu_create(struct kvm_vcpu *vcpu)
@@ -2936,10 +2923,9 @@ static int mmu_shrink(int nr_to_scan, gfp_t gfp_mask)
 	spin_lock(&kvm_lock);
 
 	list_for_each_entry(kvm, &vm_list, vm_list) {
-		int npages;
+		int npages, idx;
 
-		if (!down_read_trylock(&kvm->slots_lock))
-			continue;
+		idx = srcu_read_lock(&kvm->srcu);
 		spin_lock(&kvm->mmu_lock);
 		npages = kvm->arch.n_alloc_mmu_pages -
 			 kvm->arch.n_free_mmu_pages;
@@ -2952,7 +2938,7 @@ static int mmu_shrink(int nr_to_scan, gfp_t gfp_mask)
 		nr_to_scan--;
 
 		spin_unlock(&kvm->mmu_lock);
-		up_read(&kvm->slots_lock);
+		srcu_read_unlock(&kvm->srcu, idx);
 	}
 	if (kvm_freed)
 		list_move_tail(&kvm_freed->vm_list, &vm_list);
@@ -3019,9 +3005,11 @@ unsigned int kvm_mmu_calculate_mmu_pages(struct kvm *kvm)
 	int i;
 	unsigned int nr_mmu_pages;
 	unsigned int  nr_pages = 0;
+	struct kvm_memslots *slots;
 
-	for (i = 0; i < kvm->nmemslots; i++)
-		nr_pages += kvm->memslots[i].npages;
+	slots = rcu_dereference(kvm->memslots);
+	for (i = 0; i < slots->nmemslots; i++)
+		nr_pages += slots->memslots[i].npages;
 
 	nr_mmu_pages = nr_pages * KVM_PERMILLE_MMU_PAGES / 1000;
 	nr_mmu_pages = max(nr_mmu_pages,
@@ -3246,7 +3234,7 @@ static void audit_mappings_page(struct kvm_vcpu *vcpu, u64 page_pte,
 		if (is_shadow_present_pte(ent) && !is_last_spte(ent, level))
 			audit_mappings_page(vcpu, ent, va, level - 1);
 		else {
-			gpa_t gpa = vcpu->arch.mmu.gva_to_gpa(vcpu, va);
+			gpa_t gpa = kvm_mmu_gva_to_gpa_read(vcpu, va, NULL);
 			gfn_t gfn = gpa >> PAGE_SHIFT;
 			pfn_t pfn = gfn_to_pfn(vcpu->kvm, gfn);
 			hpa_t hpa = (hpa_t)pfn << PAGE_SHIFT;
@@ -3291,10 +3279,12 @@ static void audit_mappings(struct kvm_vcpu *vcpu)
 static int count_rmaps(struct kvm_vcpu *vcpu)
 {
 	int nmaps = 0;
-	int i, j, k;
+	int i, j, k, idx;
 
+	idx = srcu_read_lock(&kvm->srcu);
+	slots = rcu_dereference(kvm->memslots);
 	for (i = 0; i < KVM_MEMORY_SLOTS; ++i) {
-		struct kvm_memory_slot *m = &vcpu->kvm->memslots[i];
+		struct kvm_memory_slot *m = &slots->memslots[i];
 		struct kvm_rmap_desc *d;
 
 		for (j = 0; j < m->npages; ++j) {
@@ -3317,6 +3307,7 @@ static int count_rmaps(struct kvm_vcpu *vcpu)
 			}
 		}
 	}
+	srcu_read_unlock(&kvm->srcu, idx);
 	return nmaps;
 }
 
diff --git a/arch/x86/kvm/mmu.h b/arch/x86/kvm/mmu.h
index 61a1b3884b49..be66759321a5 100644
--- a/arch/x86/kvm/mmu.h
+++ b/arch/x86/kvm/mmu.h
@@ -2,6 +2,7 @@
 #define __KVM_X86_MMU_H
 
 #include <linux/kvm_host.h>
+#include "kvm_cache_regs.h"
 
 #define PT64_PT_BITS 9
 #define PT64_ENT_PER_PAGE (1 << PT64_PT_BITS)
@@ -37,6 +38,16 @@
 #define PT32_ROOT_LEVEL 2
 #define PT32E_ROOT_LEVEL 3
 
+#define PT_PDPE_LEVEL 3
+#define PT_DIRECTORY_LEVEL 2
+#define PT_PAGE_TABLE_LEVEL 1
+
+#define PFERR_PRESENT_MASK (1U << 0)
+#define PFERR_WRITE_MASK (1U << 1)
+#define PFERR_USER_MASK (1U << 2)
+#define PFERR_RSVD_MASK (1U << 3)
+#define PFERR_FETCH_MASK (1U << 4)
+
 int kvm_mmu_get_spte_hierarchy(struct kvm_vcpu *vcpu, u64 addr, u64 sptes[4]);
 
 static inline void kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu)
@@ -53,30 +64,6 @@ static inline int kvm_mmu_reload(struct kvm_vcpu *vcpu)
 	return kvm_mmu_load(vcpu);
 }
 
-static inline int is_long_mode(struct kvm_vcpu *vcpu)
-{
-#ifdef CONFIG_X86_64
-	return vcpu->arch.shadow_efer & EFER_LMA;
-#else
-	return 0;
-#endif
-}
-
-static inline int is_pae(struct kvm_vcpu *vcpu)
-{
-	return vcpu->arch.cr4 & X86_CR4_PAE;
-}
-
-static inline int is_pse(struct kvm_vcpu *vcpu)
-{
-	return vcpu->arch.cr4 & X86_CR4_PSE;
-}
-
-static inline int is_paging(struct kvm_vcpu *vcpu)
-{
-	return vcpu->arch.cr0 & X86_CR0_PG;
-}
-
 static inline int is_present_gpte(unsigned long pte)
 {
 	return pte & PT_PRESENT_MASK;
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index ede2131a9225..81eab9a50e6a 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -162,7 +162,7 @@ walk:
 		if (rsvd_fault)
 			goto access_error;
 
-		if (write_fault && !is_writeble_pte(pte))
+		if (write_fault && !is_writable_pte(pte))
 			if (user_fault || is_write_protection(vcpu))
 				goto access_error;
 
@@ -490,18 +490,23 @@ static void FNAME(invlpg)(struct kvm_vcpu *vcpu, gva_t gva)
 	spin_unlock(&vcpu->kvm->mmu_lock);
 }
 
-static gpa_t FNAME(gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t vaddr)
+static gpa_t FNAME(gva_to_gpa)(struct kvm_vcpu *vcpu, gva_t vaddr, u32 access,
+			       u32 *error)
 {
 	struct guest_walker walker;
 	gpa_t gpa = UNMAPPED_GVA;
 	int r;
 
-	r = FNAME(walk_addr)(&walker, vcpu, vaddr, 0, 0, 0);
+	r = FNAME(walk_addr)(&walker, vcpu, vaddr,
+			     !!(access & PFERR_WRITE_MASK),
+			     !!(access & PFERR_USER_MASK),
+			     !!(access & PFERR_FETCH_MASK));
 
 	if (r) {
 		gpa = gfn_to_gpa(walker.gfn);
 		gpa |= vaddr & ~PAGE_MASK;
-	}
+	} else if (error)
+		*error = walker.error_code;
 
 	return gpa;
 }
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 1d9b33843c80..52f78dd03010 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -231,7 +231,7 @@ static void svm_set_efer(struct kvm_vcpu *vcpu, u64 efer)
 		efer &= ~EFER_LME;
 
 	to_svm(vcpu)->vmcb->save.efer = efer | EFER_SVME;
-	vcpu->arch.shadow_efer = efer;
+	vcpu->arch.efer = efer;
 }
 
 static void svm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr,
@@ -540,6 +540,8 @@ static void init_vmcb(struct vcpu_svm *svm)
 	struct vmcb_control_area *control = &svm->vmcb->control;
 	struct vmcb_save_area *save = &svm->vmcb->save;
 
+	svm->vcpu.fpu_active = 1;
+
 	control->intercept_cr_read = 	INTERCEPT_CR0_MASK |
 					INTERCEPT_CR3_MASK |
 					INTERCEPT_CR4_MASK;
@@ -552,13 +554,19 @@ static void init_vmcb(struct vcpu_svm *svm)
 	control->intercept_dr_read = 	INTERCEPT_DR0_MASK |
 					INTERCEPT_DR1_MASK |
 					INTERCEPT_DR2_MASK |
-					INTERCEPT_DR3_MASK;
+					INTERCEPT_DR3_MASK |
+					INTERCEPT_DR4_MASK |
+					INTERCEPT_DR5_MASK |
+					INTERCEPT_DR6_MASK |
+					INTERCEPT_DR7_MASK;
 
 	control->intercept_dr_write = 	INTERCEPT_DR0_MASK |
 					INTERCEPT_DR1_MASK |
 					INTERCEPT_DR2_MASK |
 					INTERCEPT_DR3_MASK |
+					INTERCEPT_DR4_MASK |
 					INTERCEPT_DR5_MASK |
+					INTERCEPT_DR6_MASK |
 					INTERCEPT_DR7_MASK;
 
 	control->intercept_exceptions = (1 << PF_VECTOR) |
@@ -569,6 +577,7 @@ static void init_vmcb(struct vcpu_svm *svm)
 	control->intercept = 	(1ULL << INTERCEPT_INTR) |
 				(1ULL << INTERCEPT_NMI) |
 				(1ULL << INTERCEPT_SMI) |
+				(1ULL << INTERCEPT_SELECTIVE_CR0) |
 				(1ULL << INTERCEPT_CPUID) |
 				(1ULL << INTERCEPT_INVD) |
 				(1ULL << INTERCEPT_HLT) |
@@ -641,10 +650,8 @@ static void init_vmcb(struct vcpu_svm *svm)
 		control->intercept &= ~((1ULL << INTERCEPT_TASK_SWITCH) |
 					(1ULL << INTERCEPT_INVLPG));
 		control->intercept_exceptions &= ~(1 << PF_VECTOR);
-		control->intercept_cr_read &= ~(INTERCEPT_CR0_MASK|
-						INTERCEPT_CR3_MASK);
-		control->intercept_cr_write &= ~(INTERCEPT_CR0_MASK|
-						 INTERCEPT_CR3_MASK);
+		control->intercept_cr_read &= ~INTERCEPT_CR3_MASK;
+		control->intercept_cr_write &= ~INTERCEPT_CR3_MASK;
 		save->g_pat = 0x0007040600070406ULL;
 		save->cr3 = 0;
 		save->cr4 = 0;
@@ -730,7 +737,6 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id)
 	init_vmcb(svm);
 
 	fx_init(&svm->vcpu);
-	svm->vcpu.fpu_active = 1;
 	svm->vcpu.arch.apic_base = 0xfee00000 | MSR_IA32_APICBASE_ENABLE;
 	if (kvm_vcpu_is_bsp(&svm->vcpu))
 		svm->vcpu.arch.apic_base |= MSR_IA32_APICBASE_BSP;
@@ -765,14 +771,16 @@ static void svm_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 	if (unlikely(cpu != vcpu->cpu)) {
 		u64 delta;
 
-		/*
-		 * Make sure that the guest sees a monotonically
-		 * increasing TSC.
-		 */
-		delta = vcpu->arch.host_tsc - native_read_tsc();
-		svm->vmcb->control.tsc_offset += delta;
-		if (is_nested(svm))
-			svm->nested.hsave->control.tsc_offset += delta;
+		if (check_tsc_unstable()) {
+			/*
+			 * Make sure that the guest sees a monotonically
+			 * increasing TSC.
+			 */
+			delta = vcpu->arch.host_tsc - native_read_tsc();
+			svm->vmcb->control.tsc_offset += delta;
+			if (is_nested(svm))
+				svm->nested.hsave->control.tsc_offset += delta;
+		}
 		vcpu->cpu = cpu;
 		kvm_migrate_timers(vcpu);
 		svm->asid_generation = 0;
@@ -954,42 +962,59 @@ static void svm_set_gdt(struct kvm_vcpu *vcpu, struct descriptor_table *dt)
 	svm->vmcb->save.gdtr.base = dt->base ;
 }
 
+static void svm_decache_cr0_guest_bits(struct kvm_vcpu *vcpu)
+{
+}
+
 static void svm_decache_cr4_guest_bits(struct kvm_vcpu *vcpu)
 {
 }
 
+static void update_cr0_intercept(struct vcpu_svm *svm)
+{
+	ulong gcr0 = svm->vcpu.arch.cr0;
+	u64 *hcr0 = &svm->vmcb->save.cr0;
+
+	if (!svm->vcpu.fpu_active)
+		*hcr0 |= SVM_CR0_SELECTIVE_MASK;
+	else
+		*hcr0 = (*hcr0 & ~SVM_CR0_SELECTIVE_MASK)
+			| (gcr0 & SVM_CR0_SELECTIVE_MASK);
+
+
+	if (gcr0 == *hcr0 && svm->vcpu.fpu_active) {
+		svm->vmcb->control.intercept_cr_read &= ~INTERCEPT_CR0_MASK;
+		svm->vmcb->control.intercept_cr_write &= ~INTERCEPT_CR0_MASK;
+	} else {
+		svm->vmcb->control.intercept_cr_read |= INTERCEPT_CR0_MASK;
+		svm->vmcb->control.intercept_cr_write |= INTERCEPT_CR0_MASK;
+	}
+}
+
 static void svm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
 #ifdef CONFIG_X86_64
-	if (vcpu->arch.shadow_efer & EFER_LME) {
+	if (vcpu->arch.efer & EFER_LME) {
 		if (!is_paging(vcpu) && (cr0 & X86_CR0_PG)) {
-			vcpu->arch.shadow_efer |= EFER_LMA;
+			vcpu->arch.efer |= EFER_LMA;
 			svm->vmcb->save.efer |= EFER_LMA | EFER_LME;
 		}
 
 		if (is_paging(vcpu) && !(cr0 & X86_CR0_PG)) {
-			vcpu->arch.shadow_efer &= ~EFER_LMA;
+			vcpu->arch.efer &= ~EFER_LMA;
 			svm->vmcb->save.efer &= ~(EFER_LMA | EFER_LME);
 		}
 	}
 #endif
-	if (npt_enabled)
-		goto set;
+	vcpu->arch.cr0 = cr0;
 
-	if ((vcpu->arch.cr0 & X86_CR0_TS) && !(cr0 & X86_CR0_TS)) {
-		svm->vmcb->control.intercept_exceptions &= ~(1 << NM_VECTOR);
-		vcpu->fpu_active = 1;
-	}
+	if (!npt_enabled)
+		cr0 |= X86_CR0_PG | X86_CR0_WP;
 
-	vcpu->arch.cr0 = cr0;
-	cr0 |= X86_CR0_PG | X86_CR0_WP;
-	if (!vcpu->fpu_active) {
-		svm->vmcb->control.intercept_exceptions |= (1 << NM_VECTOR);
+	if (!vcpu->fpu_active)
 		cr0 |= X86_CR0_TS;
-	}
-set:
 	/*
 	 * re-enable caching here because the QEMU bios
 	 * does not do it - this results in some delay at
@@ -997,6 +1022,7 @@ set:
 	 */
 	cr0 &= ~(X86_CR0_CD | X86_CR0_NW);
 	svm->vmcb->save.cr0 = cr0;
+	update_cr0_intercept(svm);
 }
 
 static void svm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
@@ -1102,76 +1128,70 @@ static void new_asid(struct vcpu_svm *svm, struct svm_cpu_data *sd)
 	svm->vmcb->control.asid = sd->next_asid++;
 }
 
-static unsigned long svm_get_dr(struct kvm_vcpu *vcpu, int dr)
+static int svm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *dest)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
-	unsigned long val;
 
 	switch (dr) {
 	case 0 ... 3:
-		val = vcpu->arch.db[dr];
+		*dest = vcpu->arch.db[dr];
 		break;
+	case 4:
+		if (kvm_read_cr4_bits(vcpu, X86_CR4_DE))
+			return EMULATE_FAIL; /* will re-inject UD */
+		/* fall through */
 	case 6:
 		if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)
-			val = vcpu->arch.dr6;
+			*dest = vcpu->arch.dr6;
 		else
-			val = svm->vmcb->save.dr6;
+			*dest = svm->vmcb->save.dr6;
 		break;
+	case 5:
+		if (kvm_read_cr4_bits(vcpu, X86_CR4_DE))
+			return EMULATE_FAIL; /* will re-inject UD */
+		/* fall through */
 	case 7:
 		if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)
-			val = vcpu->arch.dr7;
+			*dest = vcpu->arch.dr7;
 		else
-			val = svm->vmcb->save.dr7;
+			*dest = svm->vmcb->save.dr7;
 		break;
-	default:
-		val = 0;
 	}
 
-	return val;
+	return EMULATE_DONE;
 }
 
-static void svm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long value,
-		       int *exception)
+static int svm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long value)
 {
 	struct vcpu_svm *svm = to_svm(vcpu);
 
-	*exception = 0;
-
 	switch (dr) {
 	case 0 ... 3:
 		vcpu->arch.db[dr] = value;
 		if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP))
 			vcpu->arch.eff_db[dr] = value;
-		return;
-	case 4 ... 5:
-		if (vcpu->arch.cr4 & X86_CR4_DE)
-			*exception = UD_VECTOR;
-		return;
+		break;
+	case 4:
+		if (kvm_read_cr4_bits(vcpu, X86_CR4_DE))
+			return EMULATE_FAIL; /* will re-inject UD */
+		/* fall through */
 	case 6:
-		if (value & 0xffffffff00000000ULL) {
-			*exception = GP_VECTOR;
-			return;
-		}
 		vcpu->arch.dr6 = (value & DR6_VOLATILE) | DR6_FIXED_1;
-		return;
+		break;
+	case 5:
+		if (kvm_read_cr4_bits(vcpu, X86_CR4_DE))
+			return EMULATE_FAIL; /* will re-inject UD */
+		/* fall through */
 	case 7:
-		if (value & 0xffffffff00000000ULL) {
-			*exception = GP_VECTOR;
-			return;
-		}
 		vcpu->arch.dr7 = (value & DR7_VOLATILE) | DR7_FIXED_1;
 		if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) {
 			svm->vmcb->save.dr7 = vcpu->arch.dr7;
 			vcpu->arch.switch_db_regs = (value & DR7_BP_EN_MASK);
 		}
-		return;
-	default:
-		/* FIXME: Possible case? */
-		printk(KERN_DEBUG "%s: unexpected dr %u\n",
-		       __func__, dr);
-		*exception = UD_VECTOR;
-		return;
+		break;
 	}
+
+	return EMULATE_DONE;
 }
 
 static int pf_interception(struct vcpu_svm *svm)
@@ -1239,13 +1259,17 @@ static int ud_interception(struct vcpu_svm *svm)
 	return 1;
 }
 
-static int nm_interception(struct vcpu_svm *svm)
+static void svm_fpu_activate(struct kvm_vcpu *vcpu)
 {
+	struct vcpu_svm *svm = to_svm(vcpu);
 	svm->vmcb->control.intercept_exceptions &= ~(1 << NM_VECTOR);
-	if (!(svm->vcpu.arch.cr0 & X86_CR0_TS))
-		svm->vmcb->save.cr0 &= ~X86_CR0_TS;
 	svm->vcpu.fpu_active = 1;
+	update_cr0_intercept(svm);
+}
 
+static int nm_interception(struct vcpu_svm *svm)
+{
+	svm_fpu_activate(&svm->vcpu);
 	return 1;
 }
 
@@ -1337,7 +1361,7 @@ static int vmmcall_interception(struct vcpu_svm *svm)
 
 static int nested_svm_check_permissions(struct vcpu_svm *svm)
 {
-	if (!(svm->vcpu.arch.shadow_efer & EFER_SVME)
+	if (!(svm->vcpu.arch.efer & EFER_SVME)
 	    || !is_paging(&svm->vcpu)) {
 		kvm_queue_exception(&svm->vcpu, UD_VECTOR);
 		return 1;
@@ -1740,8 +1764,8 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 	hsave->save.ds     = vmcb->save.ds;
 	hsave->save.gdtr   = vmcb->save.gdtr;
 	hsave->save.idtr   = vmcb->save.idtr;
-	hsave->save.efer   = svm->vcpu.arch.shadow_efer;
-	hsave->save.cr0    = svm->vcpu.arch.cr0;
+	hsave->save.efer   = svm->vcpu.arch.efer;
+	hsave->save.cr0    = kvm_read_cr0(&svm->vcpu);
 	hsave->save.cr4    = svm->vcpu.arch.cr4;
 	hsave->save.rflags = vmcb->save.rflags;
 	hsave->save.rip    = svm->next_rip;
@@ -2153,9 +2177,10 @@ static int rdmsr_interception(struct vcpu_svm *svm)
 	u32 ecx = svm->vcpu.arch.regs[VCPU_REGS_RCX];
 	u64 data;
 
-	if (svm_get_msr(&svm->vcpu, ecx, &data))
+	if (svm_get_msr(&svm->vcpu, ecx, &data)) {
+		trace_kvm_msr_read_ex(ecx);
 		kvm_inject_gp(&svm->vcpu, 0);
-	else {
+	} else {
 		trace_kvm_msr_read(ecx, data);
 
 		svm->vcpu.arch.regs[VCPU_REGS_RAX] = data & 0xffffffff;
@@ -2247,13 +2272,15 @@ static int wrmsr_interception(struct vcpu_svm *svm)
 	u64 data = (svm->vcpu.arch.regs[VCPU_REGS_RAX] & -1u)
 		| ((u64)(svm->vcpu.arch.regs[VCPU_REGS_RDX] & -1u) << 32);
 
-	trace_kvm_msr_write(ecx, data);
 
 	svm->next_rip = kvm_rip_read(&svm->vcpu) + 2;
-	if (svm_set_msr(&svm->vcpu, ecx, data))
+	if (svm_set_msr(&svm->vcpu, ecx, data)) {
+		trace_kvm_msr_write_ex(ecx, data);
 		kvm_inject_gp(&svm->vcpu, 0);
-	else
+	} else {
+		trace_kvm_msr_write(ecx, data);
 		skip_emulated_instruction(&svm->vcpu);
+	}
 	return 1;
 }
 
@@ -2297,7 +2324,7 @@ static int (*svm_exit_handlers[])(struct vcpu_svm *svm) = {
 	[SVM_EXIT_READ_CR3]           		= emulate_on_interception,
 	[SVM_EXIT_READ_CR4]           		= emulate_on_interception,
 	[SVM_EXIT_READ_CR8]           		= emulate_on_interception,
-	/* for now: */
+	[SVM_EXIT_CR0_SEL_WRITE]		= emulate_on_interception,
 	[SVM_EXIT_WRITE_CR0]          		= emulate_on_interception,
 	[SVM_EXIT_WRITE_CR3]          		= emulate_on_interception,
 	[SVM_EXIT_WRITE_CR4]          		= emulate_on_interception,
@@ -2306,11 +2333,17 @@ static int (*svm_exit_handlers[])(struct vcpu_svm *svm) = {
 	[SVM_EXIT_READ_DR1]			= emulate_on_interception,
 	[SVM_EXIT_READ_DR2]			= emulate_on_interception,
 	[SVM_EXIT_READ_DR3]			= emulate_on_interception,
+	[SVM_EXIT_READ_DR4]			= emulate_on_interception,
+	[SVM_EXIT_READ_DR5]			= emulate_on_interception,
+	[SVM_EXIT_READ_DR6]			= emulate_on_interception,
+	[SVM_EXIT_READ_DR7]			= emulate_on_interception,
 	[SVM_EXIT_WRITE_DR0]			= emulate_on_interception,
 	[SVM_EXIT_WRITE_DR1]			= emulate_on_interception,
 	[SVM_EXIT_WRITE_DR2]			= emulate_on_interception,
 	[SVM_EXIT_WRITE_DR3]			= emulate_on_interception,
+	[SVM_EXIT_WRITE_DR4]			= emulate_on_interception,
 	[SVM_EXIT_WRITE_DR5]			= emulate_on_interception,
+	[SVM_EXIT_WRITE_DR6]			= emulate_on_interception,
 	[SVM_EXIT_WRITE_DR7]			= emulate_on_interception,
 	[SVM_EXIT_EXCP_BASE + DB_VECTOR]	= db_interception,
 	[SVM_EXIT_EXCP_BASE + BP_VECTOR]	= bp_interception,
@@ -2383,20 +2416,10 @@ static int handle_exit(struct kvm_vcpu *vcpu)
 
 	svm_complete_interrupts(svm);
 
-	if (npt_enabled) {
-		int mmu_reload = 0;
-		if ((vcpu->arch.cr0 ^ svm->vmcb->save.cr0) & X86_CR0_PG) {
-			svm_set_cr0(vcpu, svm->vmcb->save.cr0);
-			mmu_reload = 1;
-		}
+	if (!(svm->vmcb->control.intercept_cr_write & INTERCEPT_CR0_MASK))
 		vcpu->arch.cr0 = svm->vmcb->save.cr0;
+	if (npt_enabled)
 		vcpu->arch.cr3 = svm->vmcb->save.cr3;
-		if (mmu_reload) {
-			kvm_mmu_reset_context(vcpu);
-			kvm_mmu_load(vcpu);
-		}
-	}
-
 
 	if (svm->vmcb->control.exit_code == SVM_EXIT_ERR) {
 		kvm_run->exit_reason = KVM_EXIT_FAIL_ENTRY;
@@ -2798,12 +2821,6 @@ static void svm_set_cr3(struct kvm_vcpu *vcpu, unsigned long root)
 
 	svm->vmcb->save.cr3 = root;
 	force_new_asid(vcpu);
-
-	if (vcpu->fpu_active) {
-		svm->vmcb->control.intercept_exceptions |= (1 << NM_VECTOR);
-		svm->vmcb->save.cr0 |= X86_CR0_TS;
-		vcpu->fpu_active = 0;
-	}
 }
 
 static int is_disabled(void)
@@ -2852,6 +2869,10 @@ static u64 svm_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio)
 	return 0;
 }
 
+static void svm_cpuid_update(struct kvm_vcpu *vcpu)
+{
+}
+
 static const struct trace_print_flags svm_exit_reasons_str[] = {
 	{ SVM_EXIT_READ_CR0,           		"read_cr0" },
 	{ SVM_EXIT_READ_CR3,	      		"read_cr3" },
@@ -2905,9 +2926,22 @@ static const struct trace_print_flags svm_exit_reasons_str[] = {
 	{ -1, NULL }
 };
 
-static bool svm_gb_page_enable(void)
+static int svm_get_lpage_level(void)
 {
-	return true;
+	return PT_PDPE_LEVEL;
+}
+
+static bool svm_rdtscp_supported(void)
+{
+	return false;
+}
+
+static void svm_fpu_deactivate(struct kvm_vcpu *vcpu)
+{
+	struct vcpu_svm *svm = to_svm(vcpu);
+
+	update_cr0_intercept(svm);
+	svm->vmcb->control.intercept_exceptions |= 1 << NM_VECTOR;
 }
 
 static struct kvm_x86_ops svm_x86_ops = {
@@ -2936,6 +2970,7 @@ static struct kvm_x86_ops svm_x86_ops = {
 	.set_segment = svm_set_segment,
 	.get_cpl = svm_get_cpl,
 	.get_cs_db_l_bits = kvm_get_cs_db_l_bits,
+	.decache_cr0_guest_bits = svm_decache_cr0_guest_bits,
 	.decache_cr4_guest_bits = svm_decache_cr4_guest_bits,
 	.set_cr0 = svm_set_cr0,
 	.set_cr3 = svm_set_cr3,
@@ -2950,6 +2985,8 @@ static struct kvm_x86_ops svm_x86_ops = {
 	.cache_reg = svm_cache_reg,
 	.get_rflags = svm_get_rflags,
 	.set_rflags = svm_set_rflags,
+	.fpu_activate = svm_fpu_activate,
+	.fpu_deactivate = svm_fpu_deactivate,
 
 	.tlb_flush = svm_flush_tlb,
 
@@ -2975,7 +3012,11 @@ static struct kvm_x86_ops svm_x86_ops = {
 	.get_mt_mask = svm_get_mt_mask,
 
 	.exit_reasons_str = svm_exit_reasons_str,
-	.gb_page_enable = svm_gb_page_enable,
+	.get_lpage_level = svm_get_lpage_level,
+
+	.cpuid_update = svm_cpuid_update,
+
+	.rdtscp_supported = svm_rdtscp_supported,
 };
 
 static int __init svm_init(void)
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index 816e0449db0b..6ad30a29f044 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -56,6 +56,38 @@ TRACE_EVENT(kvm_hypercall,
 );
 
 /*
+ * Tracepoint for hypercall.
+ */
+TRACE_EVENT(kvm_hv_hypercall,
+	TP_PROTO(__u16 code, bool fast, __u16 rep_cnt, __u16 rep_idx,
+		 __u64 ingpa, __u64 outgpa),
+	TP_ARGS(code, fast, rep_cnt, rep_idx, ingpa, outgpa),
+
+	TP_STRUCT__entry(
+		__field(	__u16, 		code		)
+		__field(	bool,		fast		)
+		__field(	__u16,		rep_cnt		)
+		__field(	__u16,		rep_idx		)
+		__field(	__u64,		ingpa		)
+		__field(	__u64,		outgpa		)
+	),
+
+	TP_fast_assign(
+		__entry->code		= code;
+		__entry->fast		= fast;
+		__entry->rep_cnt	= rep_cnt;
+		__entry->rep_idx	= rep_idx;
+		__entry->ingpa		= ingpa;
+		__entry->outgpa		= outgpa;
+	),
+
+	TP_printk("code 0x%x %s cnt 0x%x idx 0x%x in 0x%llx out 0x%llx",
+		  __entry->code, __entry->fast ? "fast" : "slow",
+		  __entry->rep_cnt, __entry->rep_idx,  __entry->ingpa,
+		  __entry->outgpa)
+);
+
+/*
  * Tracepoint for PIO.
  */
 TRACE_EVENT(kvm_pio,
@@ -214,28 +246,33 @@ TRACE_EVENT(kvm_page_fault,
  * Tracepoint for guest MSR access.
  */
 TRACE_EVENT(kvm_msr,
-	TP_PROTO(unsigned int rw, unsigned int ecx, unsigned long data),
-	TP_ARGS(rw, ecx, data),
+	TP_PROTO(unsigned write, u32 ecx, u64 data, bool exception),
+	TP_ARGS(write, ecx, data, exception),
 
 	TP_STRUCT__entry(
-		__field(	unsigned int,	rw		)
-		__field(	unsigned int,	ecx		)
-		__field(	unsigned long,	data		)
+		__field(	unsigned,	write		)
+		__field(	u32,		ecx		)
+		__field(	u64,		data		)
+		__field(	u8,		exception	)
 	),
 
 	TP_fast_assign(
-		__entry->rw		= rw;
+		__entry->write		= write;
 		__entry->ecx		= ecx;
 		__entry->data		= data;
+		__entry->exception	= exception;
 	),
 
-	TP_printk("msr_%s %x = 0x%lx",
-		  __entry->rw ? "write" : "read",
-		  __entry->ecx, __entry->data)
+	TP_printk("msr_%s %x = 0x%llx%s",
+		  __entry->write ? "write" : "read",
+		  __entry->ecx, __entry->data,
+		  __entry->exception ? " (#GP)" : "")
 );
 
-#define trace_kvm_msr_read(ecx, data)		trace_kvm_msr(0, ecx, data)
-#define trace_kvm_msr_write(ecx, data)		trace_kvm_msr(1, ecx, data)
+#define trace_kvm_msr_read(ecx, data)      trace_kvm_msr(0, ecx, data, false)
+#define trace_kvm_msr_write(ecx, data)     trace_kvm_msr(1, ecx, data, false)
+#define trace_kvm_msr_read_ex(ecx)         trace_kvm_msr(0, ecx, 0, true)
+#define trace_kvm_msr_write_ex(ecx, data)  trace_kvm_msr(1, ecx, data, true)
 
 /*
  * Tracepoint for guest CR access.
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index d4918d6fc924..14873b9f8430 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -61,6 +61,21 @@ module_param_named(unrestricted_guest,
 static int __read_mostly emulate_invalid_guest_state = 0;
 module_param(emulate_invalid_guest_state, bool, S_IRUGO);
 
+#define KVM_GUEST_CR0_MASK_UNRESTRICTED_GUEST				\
+	(X86_CR0_WP | X86_CR0_NE | X86_CR0_NW | X86_CR0_CD)
+#define KVM_GUEST_CR0_MASK						\
+	(KVM_GUEST_CR0_MASK_UNRESTRICTED_GUEST | X86_CR0_PG | X86_CR0_PE)
+#define KVM_VM_CR0_ALWAYS_ON_UNRESTRICTED_GUEST				\
+	(X86_CR0_WP | X86_CR0_NE)
+#define KVM_VM_CR0_ALWAYS_ON						\
+	(KVM_VM_CR0_ALWAYS_ON_UNRESTRICTED_GUEST | X86_CR0_PG | X86_CR0_PE)
+#define KVM_CR4_GUEST_OWNED_BITS				      \
+	(X86_CR4_PVI | X86_CR4_DE | X86_CR4_PCE | X86_CR4_OSFXSR      \
+	 | X86_CR4_OSXMMEXCPT)
+
+#define KVM_PMODE_VM_CR4_ALWAYS_ON (X86_CR4_PAE | X86_CR4_VMXE)
+#define KVM_RMODE_VM_CR4_ALWAYS_ON (X86_CR4_VME | X86_CR4_PAE | X86_CR4_VMXE)
+
 /*
  * These 2 parameters are used to config the controls for Pause-Loop Exiting:
  * ple_gap:    upper bound on the amount of time between two successive
@@ -136,6 +151,8 @@ struct vcpu_vmx {
 	ktime_t entry_time;
 	s64 vnmi_blocked_time;
 	u32 exit_reason;
+
+	bool rdtscp_enabled;
 };
 
 static inline struct vcpu_vmx *to_vmx(struct kvm_vcpu *vcpu)
@@ -210,7 +227,7 @@ static const u32 vmx_msr_index[] = {
 #ifdef CONFIG_X86_64
 	MSR_SYSCALL_MASK, MSR_LSTAR, MSR_CSTAR,
 #endif
-	MSR_EFER, MSR_K6_STAR,
+	MSR_EFER, MSR_TSC_AUX, MSR_K6_STAR,
 };
 #define NR_VMX_MSR ARRAY_SIZE(vmx_msr_index)
 
@@ -301,6 +318,11 @@ static inline bool cpu_has_vmx_ept_2m_page(void)
 	return !!(vmx_capability.ept & VMX_EPT_2MB_PAGE_BIT);
 }
 
+static inline bool cpu_has_vmx_ept_1g_page(void)
+{
+	return !!(vmx_capability.ept & VMX_EPT_1GB_PAGE_BIT);
+}
+
 static inline int cpu_has_vmx_invept_individual_addr(void)
 {
 	return !!(vmx_capability.ept & VMX_EPT_EXTENT_INDIVIDUAL_BIT);
@@ -336,9 +358,7 @@ static inline int cpu_has_vmx_ple(void)
 
 static inline int vm_need_virtualize_apic_accesses(struct kvm *kvm)
 {
-	return flexpriority_enabled &&
-		(cpu_has_vmx_virtualize_apic_accesses()) &&
-		(irqchip_in_kernel(kvm));
+	return flexpriority_enabled && irqchip_in_kernel(kvm);
 }
 
 static inline int cpu_has_vmx_vpid(void)
@@ -347,6 +367,12 @@ static inline int cpu_has_vmx_vpid(void)
 		SECONDARY_EXEC_ENABLE_VPID;
 }
 
+static inline int cpu_has_vmx_rdtscp(void)
+{
+	return vmcs_config.cpu_based_2nd_exec_ctrl &
+		SECONDARY_EXEC_RDTSCP;
+}
+
 static inline int cpu_has_virtual_nmis(void)
 {
 	return vmcs_config.pin_based_exec_ctrl & PIN_BASED_VIRTUAL_NMIS;
@@ -551,22 +577,18 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu)
 {
 	u32 eb;
 
-	eb = (1u << PF_VECTOR) | (1u << UD_VECTOR) | (1u << MC_VECTOR);
-	if (!vcpu->fpu_active)
-		eb |= 1u << NM_VECTOR;
-	/*
-	 * Unconditionally intercept #DB so we can maintain dr6 without
-	 * reading it every exit.
-	 */
-	eb |= 1u << DB_VECTOR;
-	if (vcpu->guest_debug & KVM_GUESTDBG_ENABLE) {
-		if (vcpu->guest_debug & KVM_GUESTDBG_USE_SW_BP)
-			eb |= 1u << BP_VECTOR;
-	}
+	eb = (1u << PF_VECTOR) | (1u << UD_VECTOR) | (1u << MC_VECTOR) |
+	     (1u << NM_VECTOR) | (1u << DB_VECTOR);
+	if ((vcpu->guest_debug &
+	     (KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP)) ==
+	    (KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP))
+		eb |= 1u << BP_VECTOR;
 	if (to_vmx(vcpu)->rmode.vm86_active)
 		eb = ~0;
 	if (enable_ept)
 		eb &= ~(1u << PF_VECTOR); /* bypass_guest_pf = 0 */
+	if (vcpu->fpu_active)
+		eb &= ~(1u << NM_VECTOR);
 	vmcs_write32(EXCEPTION_BITMAP, eb);
 }
 
@@ -589,7 +611,7 @@ static bool update_transition_efer(struct vcpu_vmx *vmx, int efer_offset)
 	u64 guest_efer;
 	u64 ignore_bits;
 
-	guest_efer = vmx->vcpu.arch.shadow_efer;
+	guest_efer = vmx->vcpu.arch.efer;
 
 	/*
 	 * NX is emulated; LMA and LME handled by hardware; SCE meaninless
@@ -767,22 +789,30 @@ static void vmx_vcpu_put(struct kvm_vcpu *vcpu)
 
 static void vmx_fpu_activate(struct kvm_vcpu *vcpu)
 {
+	ulong cr0;
+
 	if (vcpu->fpu_active)
 		return;
 	vcpu->fpu_active = 1;
-	vmcs_clear_bits(GUEST_CR0, X86_CR0_TS);
-	if (vcpu->arch.cr0 & X86_CR0_TS)
-		vmcs_set_bits(GUEST_CR0, X86_CR0_TS);
+	cr0 = vmcs_readl(GUEST_CR0);
+	cr0 &= ~(X86_CR0_TS | X86_CR0_MP);
+	cr0 |= kvm_read_cr0_bits(vcpu, X86_CR0_TS | X86_CR0_MP);
+	vmcs_writel(GUEST_CR0, cr0);
 	update_exception_bitmap(vcpu);
+	vcpu->arch.cr0_guest_owned_bits = X86_CR0_TS;
+	vmcs_writel(CR0_GUEST_HOST_MASK, ~vcpu->arch.cr0_guest_owned_bits);
 }
 
+static void vmx_decache_cr0_guest_bits(struct kvm_vcpu *vcpu);
+
 static void vmx_fpu_deactivate(struct kvm_vcpu *vcpu)
 {
-	if (!vcpu->fpu_active)
-		return;
-	vcpu->fpu_active = 0;
-	vmcs_set_bits(GUEST_CR0, X86_CR0_TS);
+	vmx_decache_cr0_guest_bits(vcpu);
+	vmcs_set_bits(GUEST_CR0, X86_CR0_TS | X86_CR0_MP);
 	update_exception_bitmap(vcpu);
+	vcpu->arch.cr0_guest_owned_bits = 0;
+	vmcs_writel(CR0_GUEST_HOST_MASK, ~vcpu->arch.cr0_guest_owned_bits);
+	vmcs_writel(CR0_READ_SHADOW, vcpu->arch.cr0);
 }
 
 static unsigned long vmx_get_rflags(struct kvm_vcpu *vcpu)
@@ -878,6 +908,11 @@ static void vmx_queue_exception(struct kvm_vcpu *vcpu, unsigned nr,
 	vmcs_write32(VM_ENTRY_INTR_INFO_FIELD, intr_info);
 }
 
+static bool vmx_rdtscp_supported(void)
+{
+	return cpu_has_vmx_rdtscp();
+}
+
 /*
  * Swap MSR entry in host/guest MSR entry array.
  */
@@ -913,12 +948,15 @@ static void setup_msrs(struct vcpu_vmx *vmx)
 		index = __find_msr_index(vmx, MSR_CSTAR);
 		if (index >= 0)
 			move_msr_up(vmx, index, save_nmsrs++);
+		index = __find_msr_index(vmx, MSR_TSC_AUX);
+		if (index >= 0 && vmx->rdtscp_enabled)
+			move_msr_up(vmx, index, save_nmsrs++);
 		/*
 		 * MSR_K6_STAR is only needed on long mode guests, and only
 		 * if efer.sce is enabled.
 		 */
 		index = __find_msr_index(vmx, MSR_K6_STAR);
-		if ((index >= 0) && (vmx->vcpu.arch.shadow_efer & EFER_SCE))
+		if ((index >= 0) && (vmx->vcpu.arch.efer & EFER_SCE))
 			move_msr_up(vmx, index, save_nmsrs++);
 	}
 #endif
@@ -1002,6 +1040,10 @@ static int vmx_get_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 *pdata)
 	case MSR_IA32_SYSENTER_ESP:
 		data = vmcs_readl(GUEST_SYSENTER_ESP);
 		break;
+	case MSR_TSC_AUX:
+		if (!to_vmx(vcpu)->rdtscp_enabled)
+			return 1;
+		/* Otherwise falls through */
 	default:
 		vmx_load_host_state(to_vmx(vcpu));
 		msr = find_msr_entry(to_vmx(vcpu), msr_index);
@@ -1065,7 +1107,15 @@ static int vmx_set_msr(struct kvm_vcpu *vcpu, u32 msr_index, u64 data)
 			vcpu->arch.pat = data;
 			break;
 		}
-		/* Otherwise falls through to kvm_set_msr_common */
+		ret = kvm_set_msr_common(vcpu, msr_index, data);
+		break;
+	case MSR_TSC_AUX:
+		if (!vmx->rdtscp_enabled)
+			return 1;
+		/* Check reserved bit, higher 32 bits should be zero */
+		if ((data >> 32) != 0)
+			return 1;
+		/* Otherwise falls through */
 	default:
 		msr = find_msr_entry(vmx, msr_index);
 		if (msr) {
@@ -1224,6 +1274,8 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf)
 	      CPU_BASED_USE_IO_BITMAPS |
 	      CPU_BASED_MOV_DR_EXITING |
 	      CPU_BASED_USE_TSC_OFFSETING |
+	      CPU_BASED_MWAIT_EXITING |
+	      CPU_BASED_MONITOR_EXITING |
 	      CPU_BASED_INVLPG_EXITING;
 	opt = CPU_BASED_TPR_SHADOW |
 	      CPU_BASED_USE_MSR_BITMAPS |
@@ -1243,7 +1295,8 @@ static __init int setup_vmcs_config(struct vmcs_config *vmcs_conf)
 			SECONDARY_EXEC_ENABLE_VPID |
 			SECONDARY_EXEC_ENABLE_EPT |
 			SECONDARY_EXEC_UNRESTRICTED_GUEST |
-			SECONDARY_EXEC_PAUSE_LOOP_EXITING;
+			SECONDARY_EXEC_PAUSE_LOOP_EXITING |
+			SECONDARY_EXEC_RDTSCP;
 		if (adjust_vmx_controls(min2, opt2,
 					MSR_IA32_VMX_PROCBASED_CTLS2,
 					&_cpu_based_2nd_exec_control) < 0)
@@ -1457,8 +1510,12 @@ static void enter_pmode(struct kvm_vcpu *vcpu)
 static gva_t rmode_tss_base(struct kvm *kvm)
 {
 	if (!kvm->arch.tss_addr) {
-		gfn_t base_gfn = kvm->memslots[0].base_gfn +
-				 kvm->memslots[0].npages - 3;
+		struct kvm_memslots *slots;
+		gfn_t base_gfn;
+
+		slots = rcu_dereference(kvm->memslots);
+		base_gfn = kvm->memslots->memslots[0].base_gfn +
+				 kvm->memslots->memslots[0].npages - 3;
 		return base_gfn << PAGE_SHIFT;
 	}
 	return kvm->arch.tss_addr;
@@ -1544,9 +1601,7 @@ static void vmx_set_efer(struct kvm_vcpu *vcpu, u64 efer)
 	 * of this msr depends on is_long_mode().
 	 */
 	vmx_load_host_state(to_vmx(vcpu));
-	vcpu->arch.shadow_efer = efer;
-	if (!msr)
-		return;
+	vcpu->arch.efer = efer;
 	if (efer & EFER_LMA) {
 		vmcs_write32(VM_ENTRY_CONTROLS,
 			     vmcs_read32(VM_ENTRY_CONTROLS) |
@@ -1576,13 +1631,13 @@ static void enter_lmode(struct kvm_vcpu *vcpu)
 			     (guest_tr_ar & ~AR_TYPE_MASK)
 			     | AR_TYPE_BUSY_64_TSS);
 	}
-	vcpu->arch.shadow_efer |= EFER_LMA;
-	vmx_set_efer(vcpu, vcpu->arch.shadow_efer);
+	vcpu->arch.efer |= EFER_LMA;
+	vmx_set_efer(vcpu, vcpu->arch.efer);
 }
 
 static void exit_lmode(struct kvm_vcpu *vcpu)
 {
-	vcpu->arch.shadow_efer &= ~EFER_LMA;
+	vcpu->arch.efer &= ~EFER_LMA;
 
 	vmcs_write32(VM_ENTRY_CONTROLS,
 		     vmcs_read32(VM_ENTRY_CONTROLS)
@@ -1598,10 +1653,20 @@ static void vmx_flush_tlb(struct kvm_vcpu *vcpu)
 		ept_sync_context(construct_eptp(vcpu->arch.mmu.root_hpa));
 }
 
+static void vmx_decache_cr0_guest_bits(struct kvm_vcpu *vcpu)
+{
+	ulong cr0_guest_owned_bits = vcpu->arch.cr0_guest_owned_bits;
+
+	vcpu->arch.cr0 &= ~cr0_guest_owned_bits;
+	vcpu->arch.cr0 |= vmcs_readl(GUEST_CR0) & cr0_guest_owned_bits;
+}
+
 static void vmx_decache_cr4_guest_bits(struct kvm_vcpu *vcpu)
 {
-	vcpu->arch.cr4 &= KVM_GUEST_CR4_MASK;
-	vcpu->arch.cr4 |= vmcs_readl(GUEST_CR4) & ~KVM_GUEST_CR4_MASK;
+	ulong cr4_guest_owned_bits = vcpu->arch.cr4_guest_owned_bits;
+
+	vcpu->arch.cr4 &= ~cr4_guest_owned_bits;
+	vcpu->arch.cr4 |= vmcs_readl(GUEST_CR4) & cr4_guest_owned_bits;
 }
 
 static void ept_load_pdptrs(struct kvm_vcpu *vcpu)
@@ -1646,7 +1711,7 @@ static void ept_update_paging_mode_cr0(unsigned long *hw_cr0,
 			     (CPU_BASED_CR3_LOAD_EXITING |
 			      CPU_BASED_CR3_STORE_EXITING));
 		vcpu->arch.cr0 = cr0;
-		vmx_set_cr4(vcpu, vcpu->arch.cr4);
+		vmx_set_cr4(vcpu, kvm_read_cr4(vcpu));
 	} else if (!is_paging(vcpu)) {
 		/* From nonpaging to paging */
 		vmcs_write32(CPU_BASED_VM_EXEC_CONTROL,
@@ -1654,23 +1719,13 @@ static void ept_update_paging_mode_cr0(unsigned long *hw_cr0,
 			     ~(CPU_BASED_CR3_LOAD_EXITING |
 			       CPU_BASED_CR3_STORE_EXITING));
 		vcpu->arch.cr0 = cr0;
-		vmx_set_cr4(vcpu, vcpu->arch.cr4);
+		vmx_set_cr4(vcpu, kvm_read_cr4(vcpu));
 	}
 
 	if (!(cr0 & X86_CR0_WP))
 		*hw_cr0 &= ~X86_CR0_WP;
 }
 
-static void ept_update_paging_mode_cr4(unsigned long *hw_cr4,
-					struct kvm_vcpu *vcpu)
-{
-	if (!is_paging(vcpu)) {
-		*hw_cr4 &= ~X86_CR4_PAE;
-		*hw_cr4 |= X86_CR4_PSE;
-	} else if (!(vcpu->arch.cr4 & X86_CR4_PAE))
-		*hw_cr4 &= ~X86_CR4_PAE;
-}
-
 static void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 {
 	struct vcpu_vmx *vmx = to_vmx(vcpu);
@@ -1682,8 +1737,6 @@ static void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 	else
 		hw_cr0 = (cr0 & ~KVM_GUEST_CR0_MASK) | KVM_VM_CR0_ALWAYS_ON;
 
-	vmx_fpu_deactivate(vcpu);
-
 	if (vmx->rmode.vm86_active && (cr0 & X86_CR0_PE))
 		enter_pmode(vcpu);
 
@@ -1691,7 +1744,7 @@ static void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 		enter_rmode(vcpu);
 
 #ifdef CONFIG_X86_64
-	if (vcpu->arch.shadow_efer & EFER_LME) {
+	if (vcpu->arch.efer & EFER_LME) {
 		if (!is_paging(vcpu) && (cr0 & X86_CR0_PG))
 			enter_lmode(vcpu);
 		if (is_paging(vcpu) && !(cr0 & X86_CR0_PG))
@@ -1702,12 +1755,12 @@ static void vmx_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 	if (enable_ept)
 		ept_update_paging_mode_cr0(&hw_cr0, cr0, vcpu);
 
+	if (!vcpu->fpu_active)
+		hw_cr0 |= X86_CR0_TS | X86_CR0_MP;
+
 	vmcs_writel(CR0_READ_SHADOW, cr0);
 	vmcs_writel(GUEST_CR0, hw_cr0);
 	vcpu->arch.cr0 = cr0;
-
-	if (!(cr0 & X86_CR0_TS) || !(cr0 & X86_CR0_PE))
-		vmx_fpu_activate(vcpu);
 }
 
 static u64 construct_eptp(unsigned long root_hpa)
@@ -1738,8 +1791,6 @@ static void vmx_set_cr3(struct kvm_vcpu *vcpu, unsigned long cr3)
 
 	vmx_flush_tlb(vcpu);
 	vmcs_writel(GUEST_CR3, guest_cr3);
-	if (vcpu->arch.cr0 & X86_CR0_PE)
-		vmx_fpu_deactivate(vcpu);
 }
 
 static void vmx_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
@@ -1748,8 +1799,14 @@ static void vmx_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
 		    KVM_RMODE_VM_CR4_ALWAYS_ON : KVM_PMODE_VM_CR4_ALWAYS_ON);
 
 	vcpu->arch.cr4 = cr4;
-	if (enable_ept)
-		ept_update_paging_mode_cr4(&hw_cr4, vcpu);
+	if (enable_ept) {
+		if (!is_paging(vcpu)) {
+			hw_cr4 &= ~X86_CR4_PAE;
+			hw_cr4 |= X86_CR4_PSE;
+		} else if (!(cr4 & X86_CR4_PAE)) {
+			hw_cr4 &= ~X86_CR4_PAE;
+		}
+	}
 
 	vmcs_writel(CR4_READ_SHADOW, cr4);
 	vmcs_writel(GUEST_CR4, hw_cr4);
@@ -1787,7 +1844,7 @@ static void vmx_get_segment(struct kvm_vcpu *vcpu,
 
 static int vmx_get_cpl(struct kvm_vcpu *vcpu)
 {
-	if (!(vcpu->arch.cr0 & X86_CR0_PE)) /* if real mode */
+	if (!is_protmode(vcpu))
 		return 0;
 
 	if (vmx_get_rflags(vcpu) & X86_EFLAGS_VM) /* if virtual 8086 */
@@ -2042,7 +2099,7 @@ static bool cs_ss_rpl_check(struct kvm_vcpu *vcpu)
 static bool guest_state_valid(struct kvm_vcpu *vcpu)
 {
 	/* real mode guest state checks */
-	if (!(vcpu->arch.cr0 & X86_CR0_PE)) {
+	if (!is_protmode(vcpu)) {
 		if (!rmode_segment_valid(vcpu, VCPU_SREG_CS))
 			return false;
 		if (!rmode_segment_valid(vcpu, VCPU_SREG_SS))
@@ -2175,7 +2232,7 @@ static int alloc_apic_access_page(struct kvm *kvm)
 	struct kvm_userspace_memory_region kvm_userspace_mem;
 	int r = 0;
 
-	down_write(&kvm->slots_lock);
+	mutex_lock(&kvm->slots_lock);
 	if (kvm->arch.apic_access_page)
 		goto out;
 	kvm_userspace_mem.slot = APIC_ACCESS_PAGE_PRIVATE_MEMSLOT;
@@ -2188,7 +2245,7 @@ static int alloc_apic_access_page(struct kvm *kvm)
 
 	kvm->arch.apic_access_page = gfn_to_page(kvm, 0xfee00);
 out:
-	up_write(&kvm->slots_lock);
+	mutex_unlock(&kvm->slots_lock);
 	return r;
 }
 
@@ -2197,7 +2254,7 @@ static int alloc_identity_pagetable(struct kvm *kvm)
 	struct kvm_userspace_memory_region kvm_userspace_mem;
 	int r = 0;
 
-	down_write(&kvm->slots_lock);
+	mutex_lock(&kvm->slots_lock);
 	if (kvm->arch.ept_identity_pagetable)
 		goto out;
 	kvm_userspace_mem.slot = IDENTITY_PAGETABLE_PRIVATE_MEMSLOT;
@@ -2212,7 +2269,7 @@ static int alloc_identity_pagetable(struct kvm *kvm)
 	kvm->arch.ept_identity_pagetable = gfn_to_page(kvm,
 			kvm->arch.ept_identity_map_addr >> PAGE_SHIFT);
 out:
-	up_write(&kvm->slots_lock);
+	mutex_unlock(&kvm->slots_lock);
 	return r;
 }
 
@@ -2384,14 +2441,12 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
 	for (i = 0; i < NR_VMX_MSR; ++i) {
 		u32 index = vmx_msr_index[i];
 		u32 data_low, data_high;
-		u64 data;
 		int j = vmx->nmsrs;
 
 		if (rdmsr_safe(index, &data_low, &data_high) < 0)
 			continue;
 		if (wrmsr_safe(index, data_low, data_high) < 0)
 			continue;
-		data = data_low | ((u64)data_high << 32);
 		vmx->guest_msrs[j].index = i;
 		vmx->guest_msrs[j].data = 0;
 		vmx->guest_msrs[j].mask = -1ull;
@@ -2404,7 +2459,10 @@ static int vmx_vcpu_setup(struct vcpu_vmx *vmx)
 	vmcs_write32(VM_ENTRY_CONTROLS, vmcs_config.vmentry_ctrl);
 
 	vmcs_writel(CR0_GUEST_HOST_MASK, ~0UL);
-	vmcs_writel(CR4_GUEST_HOST_MASK, KVM_GUEST_CR4_MASK);
+	vmx->vcpu.arch.cr4_guest_owned_bits = KVM_CR4_GUEST_OWNED_BITS;
+	if (enable_ept)
+		vmx->vcpu.arch.cr4_guest_owned_bits |= X86_CR4_PGE;
+	vmcs_writel(CR4_GUEST_HOST_MASK, ~vmx->vcpu.arch.cr4_guest_owned_bits);
 
 	tsc_base = vmx->vcpu.kvm->arch.vm_init_tsc;
 	rdtscll(tsc_this);
@@ -2429,10 +2487,10 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu)
 {
 	struct vcpu_vmx *vmx = to_vmx(vcpu);
 	u64 msr;
-	int ret;
+	int ret, idx;
 
 	vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP));
-	down_read(&vcpu->kvm->slots_lock);
+	idx = srcu_read_lock(&vcpu->kvm->srcu);
 	if (!init_rmode(vmx->vcpu.kvm)) {
 		ret = -ENOMEM;
 		goto out;
@@ -2526,7 +2584,7 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu)
 		vmcs_write16(VIRTUAL_PROCESSOR_ID, vmx->vpid);
 
 	vmx->vcpu.arch.cr0 = X86_CR0_NW | X86_CR0_CD | X86_CR0_ET;
-	vmx_set_cr0(&vmx->vcpu, vmx->vcpu.arch.cr0); /* enter rmode */
+	vmx_set_cr0(&vmx->vcpu, kvm_read_cr0(vcpu)); /* enter rmode */
 	vmx_set_cr4(&vmx->vcpu, 0);
 	vmx_set_efer(&vmx->vcpu, 0);
 	vmx_fpu_activate(&vmx->vcpu);
@@ -2540,7 +2598,7 @@ static int vmx_vcpu_reset(struct kvm_vcpu *vcpu)
 	vmx->emulation_required = 0;
 
 out:
-	up_read(&vcpu->kvm->slots_lock);
+	srcu_read_unlock(&vcpu->kvm->srcu, idx);
 	return ret;
 }
 
@@ -2717,6 +2775,12 @@ static int handle_rmode_exception(struct kvm_vcpu *vcpu,
 		kvm_queue_exception(vcpu, vec);
 		return 1;
 	case BP_VECTOR:
+		/*
+		 * Update instruction length as we may reinject the exception
+		 * from user space while in guest debugging mode.
+		 */
+		to_vmx(vcpu)->vcpu.arch.event_exit_inst_len =
+			vmcs_read32(VM_EXIT_INSTRUCTION_LEN);
 		if (vcpu->guest_debug & KVM_GUESTDBG_USE_SW_BP)
 			return 0;
 		/* fall through */
@@ -2839,6 +2903,13 @@ static int handle_exception(struct kvm_vcpu *vcpu)
 		kvm_run->debug.arch.dr7 = vmcs_readl(GUEST_DR7);
 		/* fall through */
 	case BP_VECTOR:
+		/*
+		 * Update instruction length as we may reinject #BP from
+		 * user space while in guest debugging mode. Reading it for
+		 * #DB as well causes no harm, it is not used in that case.
+		 */
+		vmx->vcpu.arch.event_exit_inst_len =
+			vmcs_read32(VM_EXIT_INSTRUCTION_LEN);
 		kvm_run->exit_reason = KVM_EXIT_DEBUG;
 		kvm_run->debug.arch.pc = vmcs_readl(GUEST_CS_BASE) + rip;
 		kvm_run->debug.arch.exception = ex_no;
@@ -2940,11 +3011,10 @@ static int handle_cr(struct kvm_vcpu *vcpu)
 		};
 		break;
 	case 2: /* clts */
-		vmx_fpu_deactivate(vcpu);
-		vcpu->arch.cr0 &= ~X86_CR0_TS;
-		vmcs_writel(CR0_READ_SHADOW, vcpu->arch.cr0);
-		vmx_fpu_activate(vcpu);
+		vmx_set_cr0(vcpu, kvm_read_cr0_bits(vcpu, ~X86_CR0_TS));
+		trace_kvm_cr_write(0, kvm_read_cr0(vcpu));
 		skip_emulated_instruction(vcpu);
+		vmx_fpu_activate(vcpu);
 		return 1;
 	case 1: /*mov from cr*/
 		switch (cr) {
@@ -2962,7 +3032,9 @@ static int handle_cr(struct kvm_vcpu *vcpu)
 		}
 		break;
 	case 3: /* lmsw */
-		kvm_lmsw(vcpu, (exit_qualification >> LMSW_SOURCE_DATA_SHIFT) & 0x0f);
+		val = (exit_qualification >> LMSW_SOURCE_DATA_SHIFT) & 0x0f;
+		trace_kvm_cr_write(0, (kvm_read_cr0(vcpu) & ~0xful) | val);
+		kvm_lmsw(vcpu, val);
 
 		skip_emulated_instruction(vcpu);
 		return 1;
@@ -2975,12 +3047,22 @@ static int handle_cr(struct kvm_vcpu *vcpu)
 	return 0;
 }
 
+static int check_dr_alias(struct kvm_vcpu *vcpu)
+{
+	if (kvm_read_cr4_bits(vcpu, X86_CR4_DE)) {
+		kvm_queue_exception(vcpu, UD_VECTOR);
+		return -1;
+	}
+	return 0;
+}
+
 static int handle_dr(struct kvm_vcpu *vcpu)
 {
 	unsigned long exit_qualification;
 	unsigned long val;
 	int dr, reg;
 
+	/* Do not handle if the CPL > 0, will trigger GP on re-entry */
 	if (!kvm_require_cpl(vcpu, 0))
 		return 1;
 	dr = vmcs_readl(GUEST_DR7);
@@ -3016,14 +3098,20 @@ static int handle_dr(struct kvm_vcpu *vcpu)
 		case 0 ... 3:
 			val = vcpu->arch.db[dr];
 			break;
+		case 4:
+			if (check_dr_alias(vcpu) < 0)
+				return 1;
+			/* fall through */
 		case 6:
 			val = vcpu->arch.dr6;
 			break;
-		case 7:
+		case 5:
+			if (check_dr_alias(vcpu) < 0)
+				return 1;
+			/* fall through */
+		default: /* 7 */
 			val = vcpu->arch.dr7;
 			break;
-		default:
-			val = 0;
 		}
 		kvm_register_write(vcpu, reg, val);
 	} else {
@@ -3034,21 +3122,25 @@ static int handle_dr(struct kvm_vcpu *vcpu)
 			if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP))
 				vcpu->arch.eff_db[dr] = val;
 			break;
-		case 4 ... 5:
-			if (vcpu->arch.cr4 & X86_CR4_DE)
-				kvm_queue_exception(vcpu, UD_VECTOR);
-			break;
+		case 4:
+			if (check_dr_alias(vcpu) < 0)
+				return 1;
+			/* fall through */
 		case 6:
 			if (val & 0xffffffff00000000ULL) {
-				kvm_queue_exception(vcpu, GP_VECTOR);
-				break;
+				kvm_inject_gp(vcpu, 0);
+				return 1;
 			}
 			vcpu->arch.dr6 = (val & DR6_VOLATILE) | DR6_FIXED_1;
 			break;
-		case 7:
+		case 5:
+			if (check_dr_alias(vcpu) < 0)
+				return 1;
+			/* fall through */
+		default: /* 7 */
 			if (val & 0xffffffff00000000ULL) {
-				kvm_queue_exception(vcpu, GP_VECTOR);
-				break;
+				kvm_inject_gp(vcpu, 0);
+				return 1;
 			}
 			vcpu->arch.dr7 = (val & DR7_VOLATILE) | DR7_FIXED_1;
 			if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)) {
@@ -3075,6 +3167,7 @@ static int handle_rdmsr(struct kvm_vcpu *vcpu)
 	u64 data;
 
 	if (vmx_get_msr(vcpu, ecx, &data)) {
+		trace_kvm_msr_read_ex(ecx);
 		kvm_inject_gp(vcpu, 0);
 		return 1;
 	}
@@ -3094,13 +3187,13 @@ static int handle_wrmsr(struct kvm_vcpu *vcpu)
 	u64 data = (vcpu->arch.regs[VCPU_REGS_RAX] & -1u)
 		| ((u64)(vcpu->arch.regs[VCPU_REGS_RDX] & -1u) << 32);
 
-	trace_kvm_msr_write(ecx, data);
-
 	if (vmx_set_msr(vcpu, ecx, data) != 0) {
+		trace_kvm_msr_write_ex(ecx, data);
 		kvm_inject_gp(vcpu, 0);
 		return 1;
 	}
 
+	trace_kvm_msr_write(ecx, data);
 	skip_emulated_instruction(vcpu);
 	return 1;
 }
@@ -3385,7 +3478,6 @@ static int handle_invalid_guest_state(struct kvm_vcpu *vcpu)
 		}
 
 		if (err != EMULATE_DONE) {
-			kvm_report_emulation_failure(vcpu, "emulation failure");
 			vcpu->run->exit_reason = KVM_EXIT_INTERNAL_ERROR;
 			vcpu->run->internal.suberror = KVM_INTERNAL_ERROR_EMULATION;
 			vcpu->run->internal.ndata = 0;
@@ -3416,6 +3508,12 @@ static int handle_pause(struct kvm_vcpu *vcpu)
 	return 1;
 }
 
+static int handle_invalid_op(struct kvm_vcpu *vcpu)
+{
+	kvm_queue_exception(vcpu, UD_VECTOR);
+	return 1;
+}
+
 /*
  * The exit handlers return 1 if the exit was handled fully and guest execution
  * may resume.  Otherwise they set the kvm_run parameter to indicate what needs
@@ -3453,6 +3551,8 @@ static int (*kvm_vmx_exit_handlers[])(struct kvm_vcpu *vcpu) = {
 	[EXIT_REASON_EPT_VIOLATION]	      = handle_ept_violation,
 	[EXIT_REASON_EPT_MISCONFIG]           = handle_ept_misconfig,
 	[EXIT_REASON_PAUSE_INSTRUCTION]       = handle_pause,
+	[EXIT_REASON_MWAIT_INSTRUCTION]	      = handle_invalid_op,
+	[EXIT_REASON_MONITOR_INSTRUCTION]     = handle_invalid_op,
 };
 
 static const int kvm_vmx_max_exit_handlers =
@@ -3686,9 +3786,6 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
 	 */
 	vmcs_writel(HOST_CR0, read_cr0());
 
-	if (vcpu->arch.switch_db_regs)
-		set_debugreg(vcpu->arch.dr6, 6);
-
 	asm(
 		/* Store host registers */
 		"push %%"R"dx; push %%"R"bp;"
@@ -3789,9 +3886,6 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
 				  | (1 << VCPU_EXREG_PDPTR));
 	vcpu->arch.regs_dirty = 0;
 
-	if (vcpu->arch.switch_db_regs)
-		get_debugreg(vcpu->arch.dr6, 6);
-
 	vmx->idt_vectoring_info = vmcs_read32(IDT_VECTORING_INFO_FIELD);
 	if (vmx->rmode.irq.pending)
 		fixup_rmode_irq(vmx);
@@ -3920,7 +4014,7 @@ static u64 vmx_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio)
 	 *   b. VT-d with snooping control feature: snooping control feature of
 	 *	VT-d engine can guarantee the cache correctness. Just set it
 	 *	to WB to keep consistent with host. So the same as item 3.
-	 * 3. EPT without VT-d: always map as WB and set IGMT=1 to keep
+	 * 3. EPT without VT-d: always map as WB and set IPAT=1 to keep
 	 *    consistent with host MTRR
 	 */
 	if (is_mmio)
@@ -3931,37 +4025,88 @@ static u64 vmx_get_mt_mask(struct kvm_vcpu *vcpu, gfn_t gfn, bool is_mmio)
 		      VMX_EPT_MT_EPTE_SHIFT;
 	else
 		ret = (MTRR_TYPE_WRBACK << VMX_EPT_MT_EPTE_SHIFT)
-			| VMX_EPT_IGMT_BIT;
+			| VMX_EPT_IPAT_BIT;
 
 	return ret;
 }
 
+#define _ER(x) { EXIT_REASON_##x, #x }
+
 static const struct trace_print_flags vmx_exit_reasons_str[] = {
-	{ EXIT_REASON_EXCEPTION_NMI,           "exception" },
-	{ EXIT_REASON_EXTERNAL_INTERRUPT,      "ext_irq" },
-	{ EXIT_REASON_TRIPLE_FAULT,            "triple_fault" },
-	{ EXIT_REASON_NMI_WINDOW,              "nmi_window" },
-	{ EXIT_REASON_IO_INSTRUCTION,          "io_instruction" },
-	{ EXIT_REASON_CR_ACCESS,               "cr_access" },
-	{ EXIT_REASON_DR_ACCESS,               "dr_access" },
-	{ EXIT_REASON_CPUID,                   "cpuid" },
-	{ EXIT_REASON_MSR_READ,                "rdmsr" },
-	{ EXIT_REASON_MSR_WRITE,               "wrmsr" },
-	{ EXIT_REASON_PENDING_INTERRUPT,       "interrupt_window" },
-	{ EXIT_REASON_HLT,                     "halt" },
-	{ EXIT_REASON_INVLPG,                  "invlpg" },
-	{ EXIT_REASON_VMCALL,                  "hypercall" },
-	{ EXIT_REASON_TPR_BELOW_THRESHOLD,     "tpr_below_thres" },
-	{ EXIT_REASON_APIC_ACCESS,             "apic_access" },
-	{ EXIT_REASON_WBINVD,                  "wbinvd" },
-	{ EXIT_REASON_TASK_SWITCH,             "task_switch" },
-	{ EXIT_REASON_EPT_VIOLATION,           "ept_violation" },
+	_ER(EXCEPTION_NMI),
+	_ER(EXTERNAL_INTERRUPT),
+	_ER(TRIPLE_FAULT),
+	_ER(PENDING_INTERRUPT),
+	_ER(NMI_WINDOW),
+	_ER(TASK_SWITCH),
+	_ER(CPUID),
+	_ER(HLT),
+	_ER(INVLPG),
+	_ER(RDPMC),
+	_ER(RDTSC),
+	_ER(VMCALL),
+	_ER(VMCLEAR),
+	_ER(VMLAUNCH),
+	_ER(VMPTRLD),
+	_ER(VMPTRST),
+	_ER(VMREAD),
+	_ER(VMRESUME),
+	_ER(VMWRITE),
+	_ER(VMOFF),
+	_ER(VMON),
+	_ER(CR_ACCESS),
+	_ER(DR_ACCESS),
+	_ER(IO_INSTRUCTION),
+	_ER(MSR_READ),
+	_ER(MSR_WRITE),
+	_ER(MWAIT_INSTRUCTION),
+	_ER(MONITOR_INSTRUCTION),
+	_ER(PAUSE_INSTRUCTION),
+	_ER(MCE_DURING_VMENTRY),
+	_ER(TPR_BELOW_THRESHOLD),
+	_ER(APIC_ACCESS),
+	_ER(EPT_VIOLATION),
+	_ER(EPT_MISCONFIG),
+	_ER(WBINVD),
 	{ -1, NULL }
 };
 
-static bool vmx_gb_page_enable(void)
+#undef _ER
+
+static int vmx_get_lpage_level(void)
+{
+	if (enable_ept && !cpu_has_vmx_ept_1g_page())
+		return PT_DIRECTORY_LEVEL;
+	else
+		/* For shadow and EPT supported 1GB page */
+		return PT_PDPE_LEVEL;
+}
+
+static inline u32 bit(int bitno)
+{
+	return 1 << (bitno & 31);
+}
+
+static void vmx_cpuid_update(struct kvm_vcpu *vcpu)
 {
-	return false;
+	struct kvm_cpuid_entry2 *best;
+	struct vcpu_vmx *vmx = to_vmx(vcpu);
+	u32 exec_control;
+
+	vmx->rdtscp_enabled = false;
+	if (vmx_rdtscp_supported()) {
+		exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL);
+		if (exec_control & SECONDARY_EXEC_RDTSCP) {
+			best = kvm_find_cpuid_entry(vcpu, 0x80000001, 0);
+			if (best && (best->edx & bit(X86_FEATURE_RDTSCP)))
+				vmx->rdtscp_enabled = true;
+			else {
+				exec_control &= ~SECONDARY_EXEC_RDTSCP;
+				vmcs_write32(SECONDARY_VM_EXEC_CONTROL,
+						exec_control);
+			}
+		}
+	}
 }
 
 static struct kvm_x86_ops vmx_x86_ops = {
@@ -3990,6 +4135,7 @@ static struct kvm_x86_ops vmx_x86_ops = {
 	.set_segment = vmx_set_segment,
 	.get_cpl = vmx_get_cpl,
 	.get_cs_db_l_bits = vmx_get_cs_db_l_bits,
+	.decache_cr0_guest_bits = vmx_decache_cr0_guest_bits,
 	.decache_cr4_guest_bits = vmx_decache_cr4_guest_bits,
 	.set_cr0 = vmx_set_cr0,
 	.set_cr3 = vmx_set_cr3,
@@ -4002,6 +4148,8 @@ static struct kvm_x86_ops vmx_x86_ops = {
 	.cache_reg = vmx_cache_reg,
 	.get_rflags = vmx_get_rflags,
 	.set_rflags = vmx_set_rflags,
+	.fpu_activate = vmx_fpu_activate,
+	.fpu_deactivate = vmx_fpu_deactivate,
 
 	.tlb_flush = vmx_flush_tlb,
 
@@ -4027,7 +4175,11 @@ static struct kvm_x86_ops vmx_x86_ops = {
 	.get_mt_mask = vmx_get_mt_mask,
 
 	.exit_reasons_str = vmx_exit_reasons_str,
-	.gb_page_enable = vmx_gb_page_enable,
+	.get_lpage_level = vmx_get_lpage_level,
+
+	.cpuid_update = vmx_cpuid_update,
+
+	.rdtscp_supported = vmx_rdtscp_supported,
 };
 
 static int __init vmx_init(void)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index a1e1bc9d412d..e46282a56565 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -38,6 +38,7 @@
 #include <linux/intel-iommu.h>
 #include <linux/cpufreq.h>
 #include <linux/user-return-notifier.h>
+#include <linux/srcu.h>
 #include <trace/events/kvm.h>
 #undef TRACE_INCLUDE_FILE
 #define CREATE_TRACE_POINTS
@@ -93,16 +94,16 @@ module_param_named(ignore_msrs, ignore_msrs, bool, S_IRUGO | S_IWUSR);
 
 struct kvm_shared_msrs_global {
 	int nr;
-	struct kvm_shared_msr {
-		u32 msr;
-		u64 value;
-	} msrs[KVM_NR_SHARED_MSRS];
+	u32 msrs[KVM_NR_SHARED_MSRS];
 };
 
 struct kvm_shared_msrs {
 	struct user_return_notifier urn;
 	bool registered;
-	u64 current_value[KVM_NR_SHARED_MSRS];
+	struct kvm_shared_msr_values {
+		u64 host;
+		u64 curr;
+	} values[KVM_NR_SHARED_MSRS];
 };
 
 static struct kvm_shared_msrs_global __read_mostly shared_msrs_global;
@@ -147,53 +148,64 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
 static void kvm_on_user_return(struct user_return_notifier *urn)
 {
 	unsigned slot;
-	struct kvm_shared_msr *global;
 	struct kvm_shared_msrs *locals
 		= container_of(urn, struct kvm_shared_msrs, urn);
+	struct kvm_shared_msr_values *values;
 
 	for (slot = 0; slot < shared_msrs_global.nr; ++slot) {
-		global = &shared_msrs_global.msrs[slot];
-		if (global->value != locals->current_value[slot]) {
-			wrmsrl(global->msr, global->value);
-			locals->current_value[slot] = global->value;
+		values = &locals->values[slot];
+		if (values->host != values->curr) {
+			wrmsrl(shared_msrs_global.msrs[slot], values->host);
+			values->curr = values->host;
 		}
 	}
 	locals->registered = false;
 	user_return_notifier_unregister(urn);
 }
 
-void kvm_define_shared_msr(unsigned slot, u32 msr)
+static void shared_msr_update(unsigned slot, u32 msr)
 {
-	int cpu;
+	struct kvm_shared_msrs *smsr;
 	u64 value;
 
+	smsr = &__get_cpu_var(shared_msrs);
+	/* only read, and nobody should modify it at this time,
+	 * so don't need lock */
+	if (slot >= shared_msrs_global.nr) {
+		printk(KERN_ERR "kvm: invalid MSR slot!");
+		return;
+	}
+	rdmsrl_safe(msr, &value);
+	smsr->values[slot].host = value;
+	smsr->values[slot].curr = value;
+}
+
+void kvm_define_shared_msr(unsigned slot, u32 msr)
+{
 	if (slot >= shared_msrs_global.nr)
 		shared_msrs_global.nr = slot + 1;
-	shared_msrs_global.msrs[slot].msr = msr;
-	rdmsrl_safe(msr, &value);
-	shared_msrs_global.msrs[slot].value = value;
-	for_each_online_cpu(cpu)
-		per_cpu(shared_msrs, cpu).current_value[slot] = value;
+	shared_msrs_global.msrs[slot] = msr;
+	/* we need ensured the shared_msr_global have been updated */
+	smp_wmb();
 }
 EXPORT_SYMBOL_GPL(kvm_define_shared_msr);
 
 static void kvm_shared_msr_cpu_online(void)
 {
 	unsigned i;
-	struct kvm_shared_msrs *locals = &__get_cpu_var(shared_msrs);
 
 	for (i = 0; i < shared_msrs_global.nr; ++i)
-		locals->current_value[i] = shared_msrs_global.msrs[i].value;
+		shared_msr_update(i, shared_msrs_global.msrs[i]);
 }
 
 void kvm_set_shared_msr(unsigned slot, u64 value, u64 mask)
 {
 	struct kvm_shared_msrs *smsr = &__get_cpu_var(shared_msrs);
 
-	if (((value ^ smsr->current_value[slot]) & mask) == 0)
+	if (((value ^ smsr->values[slot].curr) & mask) == 0)
 		return;
-	smsr->current_value[slot] = value;
-	wrmsrl(shared_msrs_global.msrs[slot].msr, value);
+	smsr->values[slot].curr = value;
+	wrmsrl(shared_msrs_global.msrs[slot], value);
 	if (!smsr->registered) {
 		smsr->urn.on_user_return = kvm_on_user_return;
 		user_return_notifier_register(&smsr->urn);
@@ -257,12 +269,68 @@ void kvm_set_apic_base(struct kvm_vcpu *vcpu, u64 data)
 }
 EXPORT_SYMBOL_GPL(kvm_set_apic_base);
 
+#define EXCPT_BENIGN		0
+#define EXCPT_CONTRIBUTORY	1
+#define EXCPT_PF		2
+
+static int exception_class(int vector)
+{
+	switch (vector) {
+	case PF_VECTOR:
+		return EXCPT_PF;
+	case DE_VECTOR:
+	case TS_VECTOR:
+	case NP_VECTOR:
+	case SS_VECTOR:
+	case GP_VECTOR:
+		return EXCPT_CONTRIBUTORY;
+	default:
+		break;
+	}
+	return EXCPT_BENIGN;
+}
+
+static void kvm_multiple_exception(struct kvm_vcpu *vcpu,
+		unsigned nr, bool has_error, u32 error_code)
+{
+	u32 prev_nr;
+	int class1, class2;
+
+	if (!vcpu->arch.exception.pending) {
+	queue:
+		vcpu->arch.exception.pending = true;
+		vcpu->arch.exception.has_error_code = has_error;
+		vcpu->arch.exception.nr = nr;
+		vcpu->arch.exception.error_code = error_code;
+		return;
+	}
+
+	/* to check exception */
+	prev_nr = vcpu->arch.exception.nr;
+	if (prev_nr == DF_VECTOR) {
+		/* triple fault -> shutdown */
+		set_bit(KVM_REQ_TRIPLE_FAULT, &vcpu->requests);
+		return;
+	}
+	class1 = exception_class(prev_nr);
+	class2 = exception_class(nr);
+	if ((class1 == EXCPT_CONTRIBUTORY && class2 == EXCPT_CONTRIBUTORY)
+		|| (class1 == EXCPT_PF && class2 != EXCPT_BENIGN)) {
+		/* generate double fault per SDM Table 5-5 */
+		vcpu->arch.exception.pending = true;
+		vcpu->arch.exception.has_error_code = true;
+		vcpu->arch.exception.nr = DF_VECTOR;
+		vcpu->arch.exception.error_code = 0;
+	} else
+		/* replace previous exception with a new one in a hope
+		   that instruction re-execution will regenerate lost
+		   exception */
+		goto queue;
+}
+
 void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr)
 {
-	WARN_ON(vcpu->arch.exception.pending);
-	vcpu->arch.exception.pending = true;
-	vcpu->arch.exception.has_error_code = false;
-	vcpu->arch.exception.nr = nr;
+	kvm_multiple_exception(vcpu, nr, false, 0);
 }
 EXPORT_SYMBOL_GPL(kvm_queue_exception);
 
@@ -270,25 +338,6 @@ void kvm_inject_page_fault(struct kvm_vcpu *vcpu, unsigned long addr,
 			   u32 error_code)
 {
 	++vcpu->stat.pf_guest;
-
-	if (vcpu->arch.exception.pending) {
-		switch(vcpu->arch.exception.nr) {
-		case DF_VECTOR:
-			/* triple fault -> shutdown */
-			set_bit(KVM_REQ_TRIPLE_FAULT, &vcpu->requests);
-			return;
-		case PF_VECTOR:
-			vcpu->arch.exception.nr = DF_VECTOR;
-			vcpu->arch.exception.error_code = 0;
-			return;
-		default:
-			/* replace previous exception with a new one in a hope
-			   that instruction re-execution will regenerate lost
-			   exception */
-			vcpu->arch.exception.pending = false;
-			break;
-		}
-	}
 	vcpu->arch.cr2 = addr;
 	kvm_queue_exception_e(vcpu, PF_VECTOR, error_code);
 }
@@ -301,11 +350,7 @@ EXPORT_SYMBOL_GPL(kvm_inject_nmi);
 
 void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code)
 {
-	WARN_ON(vcpu->arch.exception.pending);
-	vcpu->arch.exception.pending = true;
-	vcpu->arch.exception.has_error_code = true;
-	vcpu->arch.exception.nr = nr;
-	vcpu->arch.exception.error_code = error_code;
+	kvm_multiple_exception(vcpu, nr, true, error_code);
 }
 EXPORT_SYMBOL_GPL(kvm_queue_exception_e);
 
@@ -383,12 +428,18 @@ out:
 
 void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 {
-	if (cr0 & CR0_RESERVED_BITS) {
+	cr0 |= X86_CR0_ET;
+
+#ifdef CONFIG_X86_64
+	if (cr0 & 0xffffffff00000000UL) {
 		printk(KERN_DEBUG "set_cr0: 0x%lx #GP, reserved bits 0x%lx\n",
-		       cr0, vcpu->arch.cr0);
+		       cr0, kvm_read_cr0(vcpu));
 		kvm_inject_gp(vcpu, 0);
 		return;
 	}
+#endif
+
+	cr0 &= ~CR0_RESERVED_BITS;
 
 	if ((cr0 & X86_CR0_NW) && !(cr0 & X86_CR0_CD)) {
 		printk(KERN_DEBUG "set_cr0: #GP, CD == 0 && NW == 1\n");
@@ -405,7 +456,7 @@ void kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
 
 	if (!is_paging(vcpu) && (cr0 & X86_CR0_PG)) {
 #ifdef CONFIG_X86_64
-		if ((vcpu->arch.shadow_efer & EFER_LME)) {
+		if ((vcpu->arch.efer & EFER_LME)) {
 			int cs_db, cs_l;
 
 			if (!is_pae(vcpu)) {
@@ -443,13 +494,13 @@ EXPORT_SYMBOL_GPL(kvm_set_cr0);
 
 void kvm_lmsw(struct kvm_vcpu *vcpu, unsigned long msw)
 {
-	kvm_set_cr0(vcpu, (vcpu->arch.cr0 & ~0x0ful) | (msw & 0x0f));
+	kvm_set_cr0(vcpu, kvm_read_cr0_bits(vcpu, ~0x0ful) | (msw & 0x0f));
 }
 EXPORT_SYMBOL_GPL(kvm_lmsw);
 
 void kvm_set_cr4(struct kvm_vcpu *vcpu, unsigned long cr4)
 {
-	unsigned long old_cr4 = vcpu->arch.cr4;
+	unsigned long old_cr4 = kvm_read_cr4(vcpu);
 	unsigned long pdptr_bits = X86_CR4_PGE | X86_CR4_PSE | X86_CR4_PAE;
 
 	if (cr4 & CR4_RESERVED_BITS) {
@@ -575,9 +626,11 @@ static inline u32 bit(int bitno)
  * kvm-specific. Those are put in the beginning of the list.
  */
 
-#define KVM_SAVE_MSRS_BEGIN	2
+#define KVM_SAVE_MSRS_BEGIN	5
 static u32 msrs_to_save[] = {
 	MSR_KVM_SYSTEM_TIME, MSR_KVM_WALL_CLOCK,
+	HV_X64_MSR_GUEST_OS_ID, HV_X64_MSR_HYPERCALL,
+	HV_X64_MSR_APIC_ASSIST_PAGE,
 	MSR_IA32_SYSENTER_CS, MSR_IA32_SYSENTER_ESP, MSR_IA32_SYSENTER_EIP,
 	MSR_K6_STAR,
 #ifdef CONFIG_X86_64
@@ -602,7 +655,7 @@ static void set_efer(struct kvm_vcpu *vcpu, u64 efer)
 	}
 
 	if (is_paging(vcpu)
-	    && (vcpu->arch.shadow_efer & EFER_LME) != (efer & EFER_LME)) {
+	    && (vcpu->arch.efer & EFER_LME) != (efer & EFER_LME)) {
 		printk(KERN_DEBUG "set_efer: #GP, change LME while paging\n");
 		kvm_inject_gp(vcpu, 0);
 		return;
@@ -633,9 +686,9 @@ static void set_efer(struct kvm_vcpu *vcpu, u64 efer)
 	kvm_x86_ops->set_efer(vcpu, efer);
 
 	efer &= ~EFER_LMA;
-	efer |= vcpu->arch.shadow_efer & EFER_LMA;
+	efer |= vcpu->arch.efer & EFER_LMA;
 
-	vcpu->arch.shadow_efer = efer;
+	vcpu->arch.efer = efer;
 
 	vcpu->arch.mmu.base_role.nxe = (efer & EFER_NX) && !tdp_enabled;
 	kvm_mmu_reset_context(vcpu);
@@ -957,6 +1010,100 @@ out:
 	return r;
 }
 
+static bool kvm_hv_hypercall_enabled(struct kvm *kvm)
+{
+	return kvm->arch.hv_hypercall & HV_X64_MSR_HYPERCALL_ENABLE;
+}
+
+static bool kvm_hv_msr_partition_wide(u32 msr)
+{
+	bool r = false;
+	switch (msr) {
+	case HV_X64_MSR_GUEST_OS_ID:
+	case HV_X64_MSR_HYPERCALL:
+		r = true;
+		break;
+	}
+
+	return r;
+}
+
+static int set_msr_hyperv_pw(struct kvm_vcpu *vcpu, u32 msr, u64 data)
+{
+	struct kvm *kvm = vcpu->kvm;
+
+	switch (msr) {
+	case HV_X64_MSR_GUEST_OS_ID:
+		kvm->arch.hv_guest_os_id = data;
+		/* setting guest os id to zero disables hypercall page */
+		if (!kvm->arch.hv_guest_os_id)
+			kvm->arch.hv_hypercall &= ~HV_X64_MSR_HYPERCALL_ENABLE;
+		break;
+	case HV_X64_MSR_HYPERCALL: {
+		u64 gfn;
+		unsigned long addr;
+		u8 instructions[4];
+
+		/* if guest os id is not set hypercall should remain disabled */
+		if (!kvm->arch.hv_guest_os_id)
+			break;
+		if (!(data & HV_X64_MSR_HYPERCALL_ENABLE)) {
+			kvm->arch.hv_hypercall = data;
+			break;
+		}
+		gfn = data >> HV_X64_MSR_HYPERCALL_PAGE_ADDRESS_SHIFT;
+		addr = gfn_to_hva(kvm, gfn);
+		if (kvm_is_error_hva(addr))
+			return 1;
+		kvm_x86_ops->patch_hypercall(vcpu, instructions);
+		((unsigned char *)instructions)[3] = 0xc3; /* ret */
+		if (copy_to_user((void __user *)addr, instructions, 4))
+			return 1;
+		kvm->arch.hv_hypercall = data;
+		break;
+	}
+	default:
+		pr_unimpl(vcpu, "HYPER-V unimplemented wrmsr: 0x%x "
+			  "data 0x%llx\n", msr, data);
+		return 1;
+	}
+	return 0;
+}
+
+static int set_msr_hyperv(struct kvm_vcpu *vcpu, u32 msr, u64 data)
+{
+	switch (msr) {
+	case HV_X64_MSR_APIC_ASSIST_PAGE: {
+		unsigned long addr;
+
+		if (!(data & HV_X64_MSR_APIC_ASSIST_PAGE_ENABLE)) {
+			vcpu->arch.hv_vapic = data;
+			break;
+		}
+		addr = gfn_to_hva(vcpu->kvm, data >>
+				  HV_X64_MSR_APIC_ASSIST_PAGE_ADDRESS_SHIFT);
+		if (kvm_is_error_hva(addr))
+			return 1;
+		if (clear_user((void __user *)addr, PAGE_SIZE))
+			return 1;
+		vcpu->arch.hv_vapic = data;
+		break;
+	}
+	case HV_X64_MSR_EOI:
+		return kvm_hv_vapic_msr_write(vcpu, APIC_EOI, data);
+	case HV_X64_MSR_ICR:
+		return kvm_hv_vapic_msr_write(vcpu, APIC_ICR, data);
+	case HV_X64_MSR_TPR:
+		return kvm_hv_vapic_msr_write(vcpu, APIC_TASKPRI, data);
+	default:
+		pr_unimpl(vcpu, "HYPER-V unimplemented wrmsr: 0x%x "
+			  "data 0x%llx\n", msr, data);
+		return 1;
+	}
+
+	return 0;
+}
+
 int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
 {
 	switch (msr) {
@@ -1071,6 +1218,16 @@ int kvm_set_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 data)
 		pr_unimpl(vcpu, "unimplemented perfctr wrmsr: "
 			"0x%x data 0x%llx\n", msr, data);
 		break;
+	case HV_X64_MSR_GUEST_OS_ID ... HV_X64_MSR_SINT15:
+		if (kvm_hv_msr_partition_wide(msr)) {
+			int r;
+			mutex_lock(&vcpu->kvm->lock);
+			r = set_msr_hyperv_pw(vcpu, msr, data);
+			mutex_unlock(&vcpu->kvm->lock);
+			return r;
+		} else
+			return set_msr_hyperv(vcpu, msr, data);
+		break;
 	default:
 		if (msr && (msr == vcpu->kvm->arch.xen_hvm_config.msr))
 			return xen_hvm_config(vcpu, data);
@@ -1170,6 +1327,54 @@ static int get_msr_mce(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
 	return 0;
 }
 
+static int get_msr_hyperv_pw(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
+{
+	u64 data = 0;
+	struct kvm *kvm = vcpu->kvm;
+
+	switch (msr) {
+	case HV_X64_MSR_GUEST_OS_ID:
+		data = kvm->arch.hv_guest_os_id;
+		break;
+	case HV_X64_MSR_HYPERCALL:
+		data = kvm->arch.hv_hypercall;
+		break;
+	default:
+		pr_unimpl(vcpu, "Hyper-V unhandled rdmsr: 0x%x\n", msr);
+		return 1;
+	}
+
+	*pdata = data;
+	return 0;
+}
+
+static int get_msr_hyperv(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
+{
+	u64 data = 0;
+
+	switch (msr) {
+	case HV_X64_MSR_VP_INDEX: {
+		int r;
+		struct kvm_vcpu *v;
+		kvm_for_each_vcpu(r, v, vcpu->kvm)
+			if (v == vcpu)
+				data = r;
+		break;
+	}
+	case HV_X64_MSR_EOI:
+		return kvm_hv_vapic_msr_read(vcpu, APIC_EOI, pdata);
+	case HV_X64_MSR_ICR:
+		return kvm_hv_vapic_msr_read(vcpu, APIC_ICR, pdata);
+	case HV_X64_MSR_TPR:
+		return kvm_hv_vapic_msr_read(vcpu, APIC_TASKPRI, pdata);
+	default:
+		pr_unimpl(vcpu, "Hyper-V unhandled rdmsr: 0x%x\n", msr);
+		return 1;
+	}
+	*pdata = data;
+	return 0;
+}
+
 int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
 {
 	u64 data;
@@ -1221,7 +1426,7 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
 		data |= (((uint64_t)4ULL) << 40);
 		break;
 	case MSR_EFER:
-		data = vcpu->arch.shadow_efer;
+		data = vcpu->arch.efer;
 		break;
 	case MSR_KVM_WALL_CLOCK:
 		data = vcpu->kvm->arch.wall_clock;
@@ -1236,6 +1441,16 @@ int kvm_get_msr_common(struct kvm_vcpu *vcpu, u32 msr, u64 *pdata)
 	case MSR_IA32_MCG_STATUS:
 	case MSR_IA32_MC0_CTL ... MSR_IA32_MC0_CTL + 4 * KVM_MAX_MCE_BANKS - 1:
 		return get_msr_mce(vcpu, msr, pdata);
+	case HV_X64_MSR_GUEST_OS_ID ... HV_X64_MSR_SINT15:
+		if (kvm_hv_msr_partition_wide(msr)) {
+			int r;
+			mutex_lock(&vcpu->kvm->lock);
+			r = get_msr_hyperv_pw(vcpu, msr, pdata);
+			mutex_unlock(&vcpu->kvm->lock);
+			return r;
+		} else
+			return get_msr_hyperv(vcpu, msr, pdata);
+		break;
 	default:
 		if (!ignore_msrs) {
 			pr_unimpl(vcpu, "unhandled rdmsr: 0x%x\n", msr);
@@ -1261,15 +1476,15 @@ static int __msr_io(struct kvm_vcpu *vcpu, struct kvm_msrs *msrs,
 		    int (*do_msr)(struct kvm_vcpu *vcpu,
 				  unsigned index, u64 *data))
 {
-	int i;
+	int i, idx;
 
 	vcpu_load(vcpu);
 
-	down_read(&vcpu->kvm->slots_lock);
+	idx = srcu_read_lock(&vcpu->kvm->srcu);
 	for (i = 0; i < msrs->nmsrs; ++i)
 		if (do_msr(vcpu, entries[i].index, &entries[i].data))
 			break;
-	up_read(&vcpu->kvm->slots_lock);
+	srcu_read_unlock(&vcpu->kvm->srcu, idx);
 
 	vcpu_put(vcpu);
 
@@ -1351,6 +1566,11 @@ int kvm_dev_ioctl_check_extension(long ext)
 	case KVM_CAP_XEN_HVM:
 	case KVM_CAP_ADJUST_CLOCK:
 	case KVM_CAP_VCPU_EVENTS:
+	case KVM_CAP_HYPERV:
+	case KVM_CAP_HYPERV_VAPIC:
+	case KVM_CAP_HYPERV_SPIN:
+	case KVM_CAP_PCI_SEGMENT:
+	case KVM_CAP_X86_ROBUST_SINGLESTEP:
 		r = 1;
 		break;
 	case KVM_CAP_COALESCED_MMIO:
@@ -1464,8 +1684,8 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 
 void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu)
 {
-	kvm_x86_ops->vcpu_put(vcpu);
 	kvm_put_guest_fpu(vcpu);
+	kvm_x86_ops->vcpu_put(vcpu);
 }
 
 static int is_efer_nx(void)
@@ -1530,6 +1750,7 @@ static int kvm_vcpu_ioctl_set_cpuid(struct kvm_vcpu *vcpu,
 	cpuid_fix_nx_cap(vcpu);
 	r = 0;
 	kvm_apic_set_version(vcpu);
+	kvm_x86_ops->cpuid_update(vcpu);
 
 out_free:
 	vfree(cpuid_entries);
@@ -1552,6 +1773,7 @@ static int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu,
 		goto out;
 	vcpu->arch.cpuid_nent = cpuid->nent;
 	kvm_apic_set_version(vcpu);
+	kvm_x86_ops->cpuid_update(vcpu);
 	return 0;
 
 out:
@@ -1594,12 +1816,15 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 			 u32 index, int *nent, int maxnent)
 {
 	unsigned f_nx = is_efer_nx() ? F(NX) : 0;
-	unsigned f_gbpages = kvm_x86_ops->gb_page_enable() ? F(GBPAGES) : 0;
 #ifdef CONFIG_X86_64
+	unsigned f_gbpages = (kvm_x86_ops->get_lpage_level() == PT_PDPE_LEVEL)
+				? F(GBPAGES) : 0;
 	unsigned f_lm = F(LM);
 #else
+	unsigned f_gbpages = 0;
 	unsigned f_lm = 0;
 #endif
+	unsigned f_rdtscp = kvm_x86_ops->rdtscp_supported() ? F(RDTSCP) : 0;
 
 	/* cpuid 1.edx */
 	const u32 kvm_supported_word0_x86_features =
@@ -1619,7 +1844,7 @@ static void do_cpuid_ent(struct kvm_cpuid_entry2 *entry, u32 function,
 		F(MTRR) | F(PGE) | F(MCA) | F(CMOV) |
 		F(PAT) | F(PSE36) | 0 /* Reserved */ |
 		f_nx | 0 /* Reserved */ | F(MMXEXT) | F(MMX) |
-		F(FXSR) | F(FXSR_OPT) | f_gbpages | 0 /* RDTSCP */ |
+		F(FXSR) | F(FXSR_OPT) | f_gbpages | f_rdtscp |
 		0 /* Reserved */ | f_lm | F(3DNOWEXT) | F(3DNOW);
 	/* cpuid 1.ecx */
 	const u32 kvm_supported_word4_x86_features =
@@ -1866,7 +2091,7 @@ static int kvm_vcpu_ioctl_x86_set_mce(struct kvm_vcpu *vcpu,
 		return 0;
 	if (mce->status & MCI_STATUS_UC) {
 		if ((vcpu->arch.mcg_status & MCG_STATUS_MCIP) ||
-		    !(vcpu->arch.cr4 & X86_CR4_MCE)) {
+		    !kvm_read_cr4_bits(vcpu, X86_CR4_MCE)) {
 			printk(KERN_DEBUG "kvm: set_mce: "
 			       "injects mce exception while "
 			       "previous one is in progress!\n");
@@ -2160,14 +2385,14 @@ static int kvm_vm_ioctl_set_nr_mmu_pages(struct kvm *kvm,
 	if (kvm_nr_mmu_pages < KVM_MIN_ALLOC_MMU_PAGES)
 		return -EINVAL;
 
-	down_write(&kvm->slots_lock);
+	mutex_lock(&kvm->slots_lock);
 	spin_lock(&kvm->mmu_lock);
 
 	kvm_mmu_change_mmu_pages(kvm, kvm_nr_mmu_pages);
 	kvm->arch.n_requested_mmu_pages = kvm_nr_mmu_pages;
 
 	spin_unlock(&kvm->mmu_lock);
-	up_write(&kvm->slots_lock);
+	mutex_unlock(&kvm->slots_lock);
 	return 0;
 }
 
@@ -2176,13 +2401,35 @@ static int kvm_vm_ioctl_get_nr_mmu_pages(struct kvm *kvm)
 	return kvm->arch.n_alloc_mmu_pages;
 }
 
+gfn_t unalias_gfn_instantiation(struct kvm *kvm, gfn_t gfn)
+{
+	int i;
+	struct kvm_mem_alias *alias;
+	struct kvm_mem_aliases *aliases;
+
+	aliases = rcu_dereference(kvm->arch.aliases);
+
+	for (i = 0; i < aliases->naliases; ++i) {
+		alias = &aliases->aliases[i];
+		if (alias->flags & KVM_ALIAS_INVALID)
+			continue;
+		if (gfn >= alias->base_gfn
+		    && gfn < alias->base_gfn + alias->npages)
+			return alias->target_gfn + gfn - alias->base_gfn;
+	}
+	return gfn;
+}
+
 gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn)
 {
 	int i;
 	struct kvm_mem_alias *alias;
+	struct kvm_mem_aliases *aliases;
 
-	for (i = 0; i < kvm->arch.naliases; ++i) {
-		alias = &kvm->arch.aliases[i];
+	aliases = rcu_dereference(kvm->arch.aliases);
+
+	for (i = 0; i < aliases->naliases; ++i) {
+		alias = &aliases->aliases[i];
 		if (gfn >= alias->base_gfn
 		    && gfn < alias->base_gfn + alias->npages)
 			return alias->target_gfn + gfn - alias->base_gfn;
@@ -2200,6 +2447,7 @@ static int kvm_vm_ioctl_set_memory_alias(struct kvm *kvm,
 {
 	int r, n;
 	struct kvm_mem_alias *p;
+	struct kvm_mem_aliases *aliases, *old_aliases;
 
 	r = -EINVAL;
 	/* General sanity checks */
@@ -2216,26 +2464,48 @@ static int kvm_vm_ioctl_set_memory_alias(struct kvm *kvm,
 	    < alias->target_phys_addr)
 		goto out;
 
-	down_write(&kvm->slots_lock);
-	spin_lock(&kvm->mmu_lock);
+	r = -ENOMEM;
+	aliases = kzalloc(sizeof(struct kvm_mem_aliases), GFP_KERNEL);
+	if (!aliases)
+		goto out;
+
+	mutex_lock(&kvm->slots_lock);
 
-	p = &kvm->arch.aliases[alias->slot];
+	/* invalidate any gfn reference in case of deletion/shrinking */
+	memcpy(aliases, kvm->arch.aliases, sizeof(struct kvm_mem_aliases));
+	aliases->aliases[alias->slot].flags |= KVM_ALIAS_INVALID;
+	old_aliases = kvm->arch.aliases;
+	rcu_assign_pointer(kvm->arch.aliases, aliases);
+	synchronize_srcu_expedited(&kvm->srcu);
+	kvm_mmu_zap_all(kvm);
+	kfree(old_aliases);
+
+	r = -ENOMEM;
+	aliases = kzalloc(sizeof(struct kvm_mem_aliases), GFP_KERNEL);
+	if (!aliases)
+		goto out_unlock;
+
+	memcpy(aliases, kvm->arch.aliases, sizeof(struct kvm_mem_aliases));
+
+	p = &aliases->aliases[alias->slot];
 	p->base_gfn = alias->guest_phys_addr >> PAGE_SHIFT;
 	p->npages = alias->memory_size >> PAGE_SHIFT;
 	p->target_gfn = alias->target_phys_addr >> PAGE_SHIFT;
+	p->flags &= ~(KVM_ALIAS_INVALID);
 
 	for (n = KVM_ALIAS_SLOTS; n > 0; --n)
-		if (kvm->arch.aliases[n - 1].npages)
+		if (aliases->aliases[n - 1].npages)
 			break;
-	kvm->arch.naliases = n;
+	aliases->naliases = n;
 
-	spin_unlock(&kvm->mmu_lock);
-	kvm_mmu_zap_all(kvm);
-
-	up_write(&kvm->slots_lock);
-
-	return 0;
+	old_aliases = kvm->arch.aliases;
+	rcu_assign_pointer(kvm->arch.aliases, aliases);
+	synchronize_srcu_expedited(&kvm->srcu);
+	kfree(old_aliases);
+	r = 0;
 
+out_unlock:
+	mutex_unlock(&kvm->slots_lock);
 out:
 	return r;
 }
@@ -2273,18 +2543,18 @@ static int kvm_vm_ioctl_set_irqchip(struct kvm *kvm, struct kvm_irqchip *chip)
 	r = 0;
 	switch (chip->chip_id) {
 	case KVM_IRQCHIP_PIC_MASTER:
-		spin_lock(&pic_irqchip(kvm)->lock);
+		raw_spin_lock(&pic_irqchip(kvm)->lock);
 		memcpy(&pic_irqchip(kvm)->pics[0],
 			&chip->chip.pic,
 			sizeof(struct kvm_pic_state));
-		spin_unlock(&pic_irqchip(kvm)->lock);
+		raw_spin_unlock(&pic_irqchip(kvm)->lock);
 		break;
 	case KVM_IRQCHIP_PIC_SLAVE:
-		spin_lock(&pic_irqchip(kvm)->lock);
+		raw_spin_lock(&pic_irqchip(kvm)->lock);
 		memcpy(&pic_irqchip(kvm)->pics[1],
 			&chip->chip.pic,
 			sizeof(struct kvm_pic_state));
-		spin_unlock(&pic_irqchip(kvm)->lock);
+		raw_spin_unlock(&pic_irqchip(kvm)->lock);
 		break;
 	case KVM_IRQCHIP_IOAPIC:
 		r = kvm_set_ioapic(kvm, &chip->chip.ioapic);
@@ -2364,29 +2634,62 @@ static int kvm_vm_ioctl_reinject(struct kvm *kvm,
 int kvm_vm_ioctl_get_dirty_log(struct kvm *kvm,
 				      struct kvm_dirty_log *log)
 {
-	int r;
-	int n;
+	int r, n, i;
 	struct kvm_memory_slot *memslot;
-	int is_dirty = 0;
+	unsigned long is_dirty = 0;
+	unsigned long *dirty_bitmap = NULL;
 
-	down_write(&kvm->slots_lock);
+	mutex_lock(&kvm->slots_lock);
 
-	r = kvm_get_dirty_log(kvm, log, &is_dirty);
-	if (r)
+	r = -EINVAL;
+	if (log->slot >= KVM_MEMORY_SLOTS)
+		goto out;
+
+	memslot = &kvm->memslots->memslots[log->slot];
+	r = -ENOENT;
+	if (!memslot->dirty_bitmap)
+		goto out;
+
+	n = ALIGN(memslot->npages, BITS_PER_LONG) / 8;
+
+	r = -ENOMEM;
+	dirty_bitmap = vmalloc(n);
+	if (!dirty_bitmap)
 		goto out;
+	memset(dirty_bitmap, 0, n);
+
+	for (i = 0; !is_dirty && i < n/sizeof(long); i++)
+		is_dirty = memslot->dirty_bitmap[i];
 
 	/* If nothing is dirty, don't bother messing with page tables. */
 	if (is_dirty) {
+		struct kvm_memslots *slots, *old_slots;
+
 		spin_lock(&kvm->mmu_lock);
 		kvm_mmu_slot_remove_write_access(kvm, log->slot);
 		spin_unlock(&kvm->mmu_lock);
-		memslot = &kvm->memslots[log->slot];
-		n = ALIGN(memslot->npages, BITS_PER_LONG) / 8;
-		memset(memslot->dirty_bitmap, 0, n);
+
+		slots = kzalloc(sizeof(struct kvm_memslots), GFP_KERNEL);
+		if (!slots)
+			goto out_free;
+
+		memcpy(slots, kvm->memslots, sizeof(struct kvm_memslots));
+		slots->memslots[log->slot].dirty_bitmap = dirty_bitmap;
+
+		old_slots = kvm->memslots;
+		rcu_assign_pointer(kvm->memslots, slots);
+		synchronize_srcu_expedited(&kvm->srcu);
+		dirty_bitmap = old_slots->memslots[log->slot].dirty_bitmap;
+		kfree(old_slots);
 	}
+
 	r = 0;
+	if (copy_to_user(log->dirty_bitmap, dirty_bitmap, n))
+		r = -EFAULT;
+out_free:
+	vfree(dirty_bitmap);
 out:
-	up_write(&kvm->slots_lock);
+	mutex_unlock(&kvm->slots_lock);
 	return r;
 }
 
@@ -2469,6 +2772,8 @@ long kvm_arch_vm_ioctl(struct file *filp,
 		if (vpic) {
 			r = kvm_ioapic_init(kvm);
 			if (r) {
+				kvm_io_bus_unregister_dev(kvm, KVM_PIO_BUS,
+							  &vpic->dev);
 				kfree(vpic);
 				goto create_irqchip_unlock;
 			}
@@ -2480,10 +2785,8 @@ long kvm_arch_vm_ioctl(struct file *filp,
 		r = kvm_setup_default_irq_routing(kvm);
 		if (r) {
 			mutex_lock(&kvm->irq_lock);
-			kfree(kvm->arch.vpic);
-			kfree(kvm->arch.vioapic);
-			kvm->arch.vpic = NULL;
-			kvm->arch.vioapic = NULL;
+			kvm_ioapic_destroy(kvm);
+			kvm_destroy_pic(kvm);
 			mutex_unlock(&kvm->irq_lock);
 		}
 	create_irqchip_unlock:
@@ -2499,7 +2802,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
 				   sizeof(struct kvm_pit_config)))
 			goto out;
 	create_pit:
-		down_write(&kvm->slots_lock);
+		mutex_lock(&kvm->slots_lock);
 		r = -EEXIST;
 		if (kvm->arch.vpit)
 			goto create_pit_unlock;
@@ -2508,7 +2811,7 @@ long kvm_arch_vm_ioctl(struct file *filp,
 		if (kvm->arch.vpit)
 			r = 0;
 	create_pit_unlock:
-		up_write(&kvm->slots_lock);
+		mutex_unlock(&kvm->slots_lock);
 		break;
 	case KVM_IRQ_LINE_STATUS:
 	case KVM_IRQ_LINE: {
@@ -2725,7 +3028,7 @@ static int vcpu_mmio_write(struct kvm_vcpu *vcpu, gpa_t addr, int len,
 	    !kvm_iodevice_write(&vcpu->arch.apic->dev, addr, len, v))
 		return 0;
 
-	return kvm_io_bus_write(&vcpu->kvm->mmio_bus, addr, len, v);
+	return kvm_io_bus_write(vcpu->kvm, KVM_MMIO_BUS, addr, len, v);
 }
 
 static int vcpu_mmio_read(struct kvm_vcpu *vcpu, gpa_t addr, int len, void *v)
@@ -2734,17 +3037,44 @@ static int vcpu_mmio_read(struct kvm_vcpu *vcpu, gpa_t addr, int len, void *v)
 	    !kvm_iodevice_read(&vcpu->arch.apic->dev, addr, len, v))
 		return 0;
 
-	return kvm_io_bus_read(&vcpu->kvm->mmio_bus, addr, len, v);
+	return kvm_io_bus_read(vcpu->kvm, KVM_MMIO_BUS, addr, len, v);
 }
 
-static int kvm_read_guest_virt(gva_t addr, void *val, unsigned int bytes,
-			       struct kvm_vcpu *vcpu)
+gpa_t kvm_mmu_gva_to_gpa_read(struct kvm_vcpu *vcpu, gva_t gva, u32 *error)
+{
+	u32 access = (kvm_x86_ops->get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0;
+	return vcpu->arch.mmu.gva_to_gpa(vcpu, gva, access, error);
+}
+
+ gpa_t kvm_mmu_gva_to_gpa_fetch(struct kvm_vcpu *vcpu, gva_t gva, u32 *error)
+{
+	u32 access = (kvm_x86_ops->get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0;
+	access |= PFERR_FETCH_MASK;
+	return vcpu->arch.mmu.gva_to_gpa(vcpu, gva, access, error);
+}
+
+gpa_t kvm_mmu_gva_to_gpa_write(struct kvm_vcpu *vcpu, gva_t gva, u32 *error)
+{
+	u32 access = (kvm_x86_ops->get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0;
+	access |= PFERR_WRITE_MASK;
+	return vcpu->arch.mmu.gva_to_gpa(vcpu, gva, access, error);
+}
+
+/* uses this to access any guest's mapped memory without checking CPL */
+gpa_t kvm_mmu_gva_to_gpa_system(struct kvm_vcpu *vcpu, gva_t gva, u32 *error)
+{
+	return vcpu->arch.mmu.gva_to_gpa(vcpu, gva, 0, error);
+}
+
+static int kvm_read_guest_virt_helper(gva_t addr, void *val, unsigned int bytes,
+				      struct kvm_vcpu *vcpu, u32 access,
+				      u32 *error)
 {
 	void *data = val;
 	int r = X86EMUL_CONTINUE;
 
 	while (bytes) {
-		gpa_t gpa = vcpu->arch.mmu.gva_to_gpa(vcpu, addr);
+		gpa_t gpa = vcpu->arch.mmu.gva_to_gpa(vcpu, addr, access, error);
 		unsigned offset = addr & (PAGE_SIZE-1);
 		unsigned toread = min(bytes, (unsigned)PAGE_SIZE - offset);
 		int ret;
@@ -2767,14 +3097,37 @@ out:
 	return r;
 }
 
+/* used for instruction fetching */
+static int kvm_fetch_guest_virt(gva_t addr, void *val, unsigned int bytes,
+				struct kvm_vcpu *vcpu, u32 *error)
+{
+	u32 access = (kvm_x86_ops->get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0;
+	return kvm_read_guest_virt_helper(addr, val, bytes, vcpu,
+					  access | PFERR_FETCH_MASK, error);
+}
+
+static int kvm_read_guest_virt(gva_t addr, void *val, unsigned int bytes,
+			       struct kvm_vcpu *vcpu, u32 *error)
+{
+	u32 access = (kvm_x86_ops->get_cpl(vcpu) == 3) ? PFERR_USER_MASK : 0;
+	return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, access,
+					  error);
+}
+
+static int kvm_read_guest_virt_system(gva_t addr, void *val, unsigned int bytes,
+			       struct kvm_vcpu *vcpu, u32 *error)
+{
+	return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, 0, error);
+}
+
 static int kvm_write_guest_virt(gva_t addr, void *val, unsigned int bytes,
-				struct kvm_vcpu *vcpu)
+				struct kvm_vcpu *vcpu, u32 *error)
 {
 	void *data = val;
 	int r = X86EMUL_CONTINUE;
 
 	while (bytes) {
-		gpa_t gpa = vcpu->arch.mmu.gva_to_gpa(vcpu, addr);
+		gpa_t gpa = kvm_mmu_gva_to_gpa_write(vcpu, addr, error);
 		unsigned offset = addr & (PAGE_SIZE-1);
 		unsigned towrite = min(bytes, (unsigned)PAGE_SIZE - offset);
 		int ret;
@@ -2804,6 +3157,7 @@ static int emulator_read_emulated(unsigned long addr,
 				  struct kvm_vcpu *vcpu)
 {
 	gpa_t                 gpa;
+	u32 error_code;
 
 	if (vcpu->mmio_read_completed) {
 		memcpy(val, vcpu->mmio_data, bytes);
@@ -2813,17 +3167,20 @@ static int emulator_read_emulated(unsigned long addr,
 		return X86EMUL_CONTINUE;
 	}
 
-	gpa = vcpu->arch.mmu.gva_to_gpa(vcpu, addr);
+	gpa = kvm_mmu_gva_to_gpa_read(vcpu, addr, &error_code);
+
+	if (gpa == UNMAPPED_GVA) {
+		kvm_inject_page_fault(vcpu, addr, error_code);
+		return X86EMUL_PROPAGATE_FAULT;
+	}
 
 	/* For APIC access vmexit */
 	if ((gpa & PAGE_MASK) == APIC_DEFAULT_PHYS_BASE)
 		goto mmio;
 
-	if (kvm_read_guest_virt(addr, val, bytes, vcpu)
+	if (kvm_read_guest_virt(addr, val, bytes, vcpu, NULL)
 				== X86EMUL_CONTINUE)
 		return X86EMUL_CONTINUE;
-	if (gpa == UNMAPPED_GVA)
-		return X86EMUL_PROPAGATE_FAULT;
 
 mmio:
 	/*
@@ -2862,11 +3219,12 @@ static int emulator_write_emulated_onepage(unsigned long addr,
 					   struct kvm_vcpu *vcpu)
 {
 	gpa_t                 gpa;
+	u32 error_code;
 
-	gpa = vcpu->arch.mmu.gva_to_gpa(vcpu, addr);
+	gpa = kvm_mmu_gva_to_gpa_write(vcpu, addr, &error_code);
 
 	if (gpa == UNMAPPED_GVA) {
-		kvm_inject_page_fault(vcpu, addr, 2);
+		kvm_inject_page_fault(vcpu, addr, error_code);
 		return X86EMUL_PROPAGATE_FAULT;
 	}
 
@@ -2930,7 +3288,7 @@ static int emulator_cmpxchg_emulated(unsigned long addr,
 		char *kaddr;
 		u64 val;
 
-		gpa = vcpu->arch.mmu.gva_to_gpa(vcpu, addr);
+		gpa = kvm_mmu_gva_to_gpa_write(vcpu, addr, NULL);
 
 		if (gpa == UNMAPPED_GVA ||
 		   (gpa & PAGE_MASK) == APIC_DEFAULT_PHYS_BASE)
@@ -2967,35 +3325,21 @@ int emulate_invlpg(struct kvm_vcpu *vcpu, gva_t address)
 
 int emulate_clts(struct kvm_vcpu *vcpu)
 {
-	kvm_x86_ops->set_cr0(vcpu, vcpu->arch.cr0 & ~X86_CR0_TS);
+	kvm_x86_ops->set_cr0(vcpu, kvm_read_cr0_bits(vcpu, ~X86_CR0_TS));
+	kvm_x86_ops->fpu_activate(vcpu);
 	return X86EMUL_CONTINUE;
 }
 
 int emulator_get_dr(struct x86_emulate_ctxt *ctxt, int dr, unsigned long *dest)
 {
-	struct kvm_vcpu *vcpu = ctxt->vcpu;
-
-	switch (dr) {
-	case 0 ... 3:
-		*dest = kvm_x86_ops->get_dr(vcpu, dr);
-		return X86EMUL_CONTINUE;
-	default:
-		pr_unimpl(vcpu, "%s: unexpected dr %u\n", __func__, dr);
-		return X86EMUL_UNHANDLEABLE;
-	}
+	return kvm_x86_ops->get_dr(ctxt->vcpu, dr, dest);
 }
 
 int emulator_set_dr(struct x86_emulate_ctxt *ctxt, int dr, unsigned long value)
 {
 	unsigned long mask = (ctxt->mode == X86EMUL_MODE_PROT64) ? ~0ULL : ~0U;
-	int exception;
 
-	kvm_x86_ops->set_dr(ctxt->vcpu, dr, value & mask, &exception);
-	if (exception) {
-		/* FIXME: better handling */
-		return X86EMUL_UNHANDLEABLE;
-	}
-	return X86EMUL_CONTINUE;
+	return kvm_x86_ops->set_dr(ctxt->vcpu, dr, value & mask);
 }
 
 void kvm_report_emulation_failure(struct kvm_vcpu *vcpu, const char *context)
@@ -3009,7 +3353,7 @@ void kvm_report_emulation_failure(struct kvm_vcpu *vcpu, const char *context)
 
 	rip_linear = rip + get_segment_base(vcpu, VCPU_SREG_CS);
 
-	kvm_read_guest_virt(rip_linear, (void *)opcodes, 4, vcpu);
+	kvm_read_guest_virt(rip_linear, (void *)opcodes, 4, vcpu, NULL);
 
 	printk(KERN_ERR "emulation failed (%s) rip %lx %02x %02x %02x %02x\n",
 	       context, rip, opcodes[0], opcodes[1], opcodes[2], opcodes[3]);
@@ -3017,7 +3361,8 @@ void kvm_report_emulation_failure(struct kvm_vcpu *vcpu, const char *context)
 EXPORT_SYMBOL_GPL(kvm_report_emulation_failure);
 
 static struct x86_emulate_ops emulate_ops = {
-	.read_std            = kvm_read_guest_virt,
+	.read_std            = kvm_read_guest_virt_system,
+	.fetch               = kvm_fetch_guest_virt,
 	.read_emulated       = emulator_read_emulated,
 	.write_emulated      = emulator_write_emulated,
 	.cmpxchg_emulated    = emulator_cmpxchg_emulated,
@@ -3060,8 +3405,9 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 		vcpu->arch.emulate_ctxt.vcpu = vcpu;
 		vcpu->arch.emulate_ctxt.eflags = kvm_get_rflags(vcpu);
 		vcpu->arch.emulate_ctxt.mode =
+			(!is_protmode(vcpu)) ? X86EMUL_MODE_REAL :
 			(vcpu->arch.emulate_ctxt.eflags & X86_EFLAGS_VM)
-			? X86EMUL_MODE_REAL : cs_l
+			? X86EMUL_MODE_VM86 : cs_l
 			? X86EMUL_MODE_PROT64 :	cs_db
 			? X86EMUL_MODE_PROT32 : X86EMUL_MODE_PROT16;
 
@@ -3153,12 +3499,17 @@ static int pio_copy_data(struct kvm_vcpu *vcpu)
 	gva_t q = vcpu->arch.pio.guest_gva;
 	unsigned bytes;
 	int ret;
+	u32 error_code;
 
 	bytes = vcpu->arch.pio.size * vcpu->arch.pio.cur_count;
 	if (vcpu->arch.pio.in)
-		ret = kvm_write_guest_virt(q, p, bytes, vcpu);
+		ret = kvm_write_guest_virt(q, p, bytes, vcpu, &error_code);
 	else
-		ret = kvm_read_guest_virt(q, p, bytes, vcpu);
+		ret = kvm_read_guest_virt(q, p, bytes, vcpu, &error_code);
+
+	if (ret == X86EMUL_PROPAGATE_FAULT)
+		kvm_inject_page_fault(vcpu, q, error_code);
+
 	return ret;
 }
 
@@ -3179,7 +3530,7 @@ int complete_pio(struct kvm_vcpu *vcpu)
 		if (io->in) {
 			r = pio_copy_data(vcpu);
 			if (r)
-				return r;
+				goto out;
 		}
 
 		delta = 1;
@@ -3206,7 +3557,7 @@ int complete_pio(struct kvm_vcpu *vcpu)
 			kvm_register_write(vcpu, VCPU_REGS_RSI, val);
 		}
 	}
-
+out:
 	io->count -= io->cur_count;
 	io->cur_count = 0;
 
@@ -3219,11 +3570,12 @@ static int kernel_pio(struct kvm_vcpu *vcpu, void *pd)
 	int r;
 
 	if (vcpu->arch.pio.in)
-		r = kvm_io_bus_read(&vcpu->kvm->pio_bus, vcpu->arch.pio.port,
+		r = kvm_io_bus_read(vcpu->kvm, KVM_PIO_BUS, vcpu->arch.pio.port,
 				    vcpu->arch.pio.size, pd);
 	else
-		r = kvm_io_bus_write(&vcpu->kvm->pio_bus, vcpu->arch.pio.port,
-				     vcpu->arch.pio.size, pd);
+		r = kvm_io_bus_write(vcpu->kvm, KVM_PIO_BUS,
+				     vcpu->arch.pio.port, vcpu->arch.pio.size,
+				     pd);
 	return r;
 }
 
@@ -3234,7 +3586,7 @@ static int pio_string_write(struct kvm_vcpu *vcpu)
 	int i, r = 0;
 
 	for (i = 0; i < io->cur_count; i++) {
-		if (kvm_io_bus_write(&vcpu->kvm->pio_bus,
+		if (kvm_io_bus_write(vcpu->kvm, KVM_PIO_BUS,
 				     io->port, io->size, pd)) {
 			r = -EOPNOTSUPP;
 			break;
@@ -3248,6 +3600,8 @@ int kvm_emulate_pio(struct kvm_vcpu *vcpu, int in, int size, unsigned port)
 {
 	unsigned long val;
 
+	trace_kvm_pio(!in, port, size, 1);
+
 	vcpu->run->exit_reason = KVM_EXIT_IO;
 	vcpu->run->io.direction = in ? KVM_EXIT_IO_IN : KVM_EXIT_IO_OUT;
 	vcpu->run->io.size = vcpu->arch.pio.size = size;
@@ -3259,11 +3613,10 @@ int kvm_emulate_pio(struct kvm_vcpu *vcpu, int in, int size, unsigned port)
 	vcpu->arch.pio.down = 0;
 	vcpu->arch.pio.rep = 0;
 
-	trace_kvm_pio(vcpu->run->io.direction == KVM_EXIT_IO_OUT, port,
-		      size, 1);
-
-	val = kvm_register_read(vcpu, VCPU_REGS_RAX);
-	memcpy(vcpu->arch.pio_data, &val, 4);
+	if (!vcpu->arch.pio.in) {
+		val = kvm_register_read(vcpu, VCPU_REGS_RAX);
+		memcpy(vcpu->arch.pio_data, &val, 4);
+	}
 
 	if (!kernel_pio(vcpu, vcpu->arch.pio_data)) {
 		complete_pio(vcpu);
@@ -3280,6 +3633,8 @@ int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, int in,
 	unsigned now, in_page;
 	int ret = 0;
 
+	trace_kvm_pio(!in, port, size, count);
+
 	vcpu->run->exit_reason = KVM_EXIT_IO;
 	vcpu->run->io.direction = in ? KVM_EXIT_IO_IN : KVM_EXIT_IO_OUT;
 	vcpu->run->io.size = vcpu->arch.pio.size = size;
@@ -3291,9 +3646,6 @@ int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, int in,
 	vcpu->arch.pio.down = down;
 	vcpu->arch.pio.rep = rep;
 
-	trace_kvm_pio(vcpu->run->io.direction == KVM_EXIT_IO_OUT, port,
-		      size, count);
-
 	if (!count) {
 		kvm_x86_ops->skip_emulated_instruction(vcpu);
 		return 1;
@@ -3325,10 +3677,8 @@ int kvm_emulate_pio_string(struct kvm_vcpu *vcpu, int in,
 	if (!vcpu->arch.pio.in) {
 		/* string PIO write */
 		ret = pio_copy_data(vcpu);
-		if (ret == X86EMUL_PROPAGATE_FAULT) {
-			kvm_inject_gp(vcpu, 0);
+		if (ret == X86EMUL_PROPAGATE_FAULT)
 			return 1;
-		}
 		if (ret == 0 && !pio_string_write(vcpu)) {
 			complete_pio(vcpu);
 			if (vcpu->arch.pio.count == 0)
@@ -3487,11 +3837,76 @@ static inline gpa_t hc_gpa(struct kvm_vcpu *vcpu, unsigned long a0,
 		return a0 | ((gpa_t)a1 << 32);
 }
 
+int kvm_hv_hypercall(struct kvm_vcpu *vcpu)
+{
+	u64 param, ingpa, outgpa, ret;
+	uint16_t code, rep_idx, rep_cnt, res = HV_STATUS_SUCCESS, rep_done = 0;
+	bool fast, longmode;
+	int cs_db, cs_l;
+
+	/*
+	 * hypercall generates UD from non zero cpl and real mode
+	 * per HYPER-V spec
+	 */
+	if (kvm_x86_ops->get_cpl(vcpu) != 0 || !is_protmode(vcpu)) {
+		kvm_queue_exception(vcpu, UD_VECTOR);
+		return 0;
+	}
+
+	kvm_x86_ops->get_cs_db_l_bits(vcpu, &cs_db, &cs_l);
+	longmode = is_long_mode(vcpu) && cs_l == 1;
+
+	if (!longmode) {
+		param = ((u64)kvm_register_read(vcpu, VCPU_REGS_RDX) << 32) |
+			(kvm_register_read(vcpu, VCPU_REGS_RAX) & 0xffffffff);
+		ingpa = ((u64)kvm_register_read(vcpu, VCPU_REGS_RBX) << 32) |
+			(kvm_register_read(vcpu, VCPU_REGS_RCX) & 0xffffffff);
+		outgpa = ((u64)kvm_register_read(vcpu, VCPU_REGS_RDI) << 32) |
+			(kvm_register_read(vcpu, VCPU_REGS_RSI) & 0xffffffff);
+	}
+#ifdef CONFIG_X86_64
+	else {
+		param = kvm_register_read(vcpu, VCPU_REGS_RCX);
+		ingpa = kvm_register_read(vcpu, VCPU_REGS_RDX);
+		outgpa = kvm_register_read(vcpu, VCPU_REGS_R8);
+	}
+#endif
+
+	code = param & 0xffff;
+	fast = (param >> 16) & 0x1;
+	rep_cnt = (param >> 32) & 0xfff;
+	rep_idx = (param >> 48) & 0xfff;
+
+	trace_kvm_hv_hypercall(code, fast, rep_cnt, rep_idx, ingpa, outgpa);
+
+	switch (code) {
+	case HV_X64_HV_NOTIFY_LONG_SPIN_WAIT:
+		kvm_vcpu_on_spin(vcpu);
+		break;
+	default:
+		res = HV_STATUS_INVALID_HYPERCALL_CODE;
+		break;
+	}
+
+	ret = res | (((u64)rep_done & 0xfff) << 32);
+	if (longmode) {
+		kvm_register_write(vcpu, VCPU_REGS_RAX, ret);
+	} else {
+		kvm_register_write(vcpu, VCPU_REGS_RDX, ret >> 32);
+		kvm_register_write(vcpu, VCPU_REGS_RAX, ret & 0xffffffff);
+	}
+
+	return 1;
+}
+
 int kvm_emulate_hypercall(struct kvm_vcpu *vcpu)
 {
 	unsigned long nr, a0, a1, a2, a3, ret;
 	int r = 1;
 
+	if (kvm_hv_hypercall_enabled(vcpu->kvm))
+		return kvm_hv_hypercall(vcpu);
+
 	nr = kvm_register_read(vcpu, VCPU_REGS_RAX);
 	a0 = kvm_register_read(vcpu, VCPU_REGS_RBX);
 	a1 = kvm_register_read(vcpu, VCPU_REGS_RCX);
@@ -3534,10 +3949,8 @@ EXPORT_SYMBOL_GPL(kvm_emulate_hypercall);
 int kvm_fix_hypercall(struct kvm_vcpu *vcpu)
 {
 	char instruction[3];
-	int ret = 0;
 	unsigned long rip = kvm_rip_read(vcpu);
 
-
 	/*
 	 * Blow out the MMU to ensure that no other VCPU has an active mapping
 	 * to ensure that the updated hypercall appears atomically across all
@@ -3546,11 +3959,8 @@ int kvm_fix_hypercall(struct kvm_vcpu *vcpu)
 	kvm_mmu_zap_all(vcpu->kvm);
 
 	kvm_x86_ops->patch_hypercall(vcpu, instruction);
-	if (emulator_write_emulated(rip, instruction, 3, vcpu)
-	    != X86EMUL_CONTINUE)
-		ret = -EFAULT;
 
-	return ret;
+	return emulator_write_emulated(rip, instruction, 3, vcpu);
 }
 
 static u64 mk_cr_64(u64 curr_cr, u32 new_val)
@@ -3583,10 +3993,9 @@ unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr)
 {
 	unsigned long value;
 
-	kvm_x86_ops->decache_cr4_guest_bits(vcpu);
 	switch (cr) {
 	case 0:
-		value = vcpu->arch.cr0;
+		value = kvm_read_cr0(vcpu);
 		break;
 	case 2:
 		value = vcpu->arch.cr2;
@@ -3595,7 +4004,7 @@ unsigned long realmode_get_cr(struct kvm_vcpu *vcpu, int cr)
 		value = vcpu->arch.cr3;
 		break;
 	case 4:
-		value = vcpu->arch.cr4;
+		value = kvm_read_cr4(vcpu);
 		break;
 	case 8:
 		value = kvm_get_cr8(vcpu);
@@ -3613,7 +4022,7 @@ void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long val,
 {
 	switch (cr) {
 	case 0:
-		kvm_set_cr0(vcpu, mk_cr_64(vcpu->arch.cr0, val));
+		kvm_set_cr0(vcpu, mk_cr_64(kvm_read_cr0(vcpu), val));
 		*rflags = kvm_get_rflags(vcpu);
 		break;
 	case 2:
@@ -3623,7 +4032,7 @@ void realmode_set_cr(struct kvm_vcpu *vcpu, int cr, unsigned long val,
 		kvm_set_cr3(vcpu, val);
 		break;
 	case 4:
-		kvm_set_cr4(vcpu, mk_cr_64(vcpu->arch.cr4, val));
+		kvm_set_cr4(vcpu, mk_cr_64(kvm_read_cr4(vcpu), val));
 		break;
 	case 8:
 		kvm_set_cr8(vcpu, val & 0xfUL);
@@ -3690,6 +4099,7 @@ struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu,
 	}
 	return best;
 }
+EXPORT_SYMBOL_GPL(kvm_find_cpuid_entry);
 
 int cpuid_maxphyaddr(struct kvm_vcpu *vcpu)
 {
@@ -3773,14 +4183,15 @@ static void vapic_enter(struct kvm_vcpu *vcpu)
 static void vapic_exit(struct kvm_vcpu *vcpu)
 {
 	struct kvm_lapic *apic = vcpu->arch.apic;
+	int idx;
 
 	if (!apic || !apic->vapic_addr)
 		return;
 
-	down_read(&vcpu->kvm->slots_lock);
+	idx = srcu_read_lock(&vcpu->kvm->srcu);
 	kvm_release_page_dirty(apic->vapic_page);
 	mark_page_dirty(vcpu->kvm, apic->vapic_addr >> PAGE_SHIFT);
-	up_read(&vcpu->kvm->slots_lock);
+	srcu_read_unlock(&vcpu->kvm->srcu, idx);
 }
 
 static void update_cr8_intercept(struct kvm_vcpu *vcpu)
@@ -3876,12 +4287,17 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
 			r = 0;
 			goto out;
 		}
+		if (test_and_clear_bit(KVM_REQ_DEACTIVATE_FPU, &vcpu->requests)) {
+			vcpu->fpu_active = 0;
+			kvm_x86_ops->fpu_deactivate(vcpu);
+		}
 	}
 
 	preempt_disable();
 
 	kvm_x86_ops->prepare_guest_switch(vcpu);
-	kvm_load_guest_fpu(vcpu);
+	if (vcpu->fpu_active)
+		kvm_load_guest_fpu(vcpu);
 
 	local_irq_disable();
 
@@ -3909,7 +4325,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
 		kvm_lapic_sync_to_vapic(vcpu);
 	}
 
-	up_read(&vcpu->kvm->slots_lock);
+	srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
 
 	kvm_guest_enter();
 
@@ -3951,7 +4367,7 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
 
 	preempt_enable();
 
-	down_read(&vcpu->kvm->slots_lock);
+	vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
 
 	/*
 	 * Profile KVM exit RIPs:
@@ -3973,6 +4389,7 @@ out:
 static int __vcpu_run(struct kvm_vcpu *vcpu)
 {
 	int r;
+	struct kvm *kvm = vcpu->kvm;
 
 	if (unlikely(vcpu->arch.mp_state == KVM_MP_STATE_SIPI_RECEIVED)) {
 		pr_debug("vcpu %d received sipi with vector # %x\n",
@@ -3984,7 +4401,7 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
 		vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE;
 	}
 
-	down_read(&vcpu->kvm->slots_lock);
+	vcpu->srcu_idx = srcu_read_lock(&kvm->srcu);
 	vapic_enter(vcpu);
 
 	r = 1;
@@ -3992,9 +4409,9 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
 		if (vcpu->arch.mp_state == KVM_MP_STATE_RUNNABLE)
 			r = vcpu_enter_guest(vcpu);
 		else {
-			up_read(&vcpu->kvm->slots_lock);
+			srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx);
 			kvm_vcpu_block(vcpu);
-			down_read(&vcpu->kvm->slots_lock);
+			vcpu->srcu_idx = srcu_read_lock(&kvm->srcu);
 			if (test_and_clear_bit(KVM_REQ_UNHALT, &vcpu->requests))
 			{
 				switch(vcpu->arch.mp_state) {
@@ -4029,13 +4446,13 @@ static int __vcpu_run(struct kvm_vcpu *vcpu)
 			++vcpu->stat.signal_exits;
 		}
 		if (need_resched()) {
-			up_read(&vcpu->kvm->slots_lock);
+			srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx);
 			kvm_resched(vcpu);
-			down_read(&vcpu->kvm->slots_lock);
+			vcpu->srcu_idx = srcu_read_lock(&kvm->srcu);
 		}
 	}
 
-	up_read(&vcpu->kvm->slots_lock);
+	srcu_read_unlock(&kvm->srcu, vcpu->srcu_idx);
 	post_kvm_run_save(vcpu);
 
 	vapic_exit(vcpu);
@@ -4074,10 +4491,10 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
 		vcpu->mmio_read_completed = 1;
 		vcpu->mmio_needed = 0;
 
-		down_read(&vcpu->kvm->slots_lock);
+		vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
 		r = emulate_instruction(vcpu, vcpu->arch.mmio_fault_cr2, 0,
 					EMULTYPE_NO_DECODE);
-		up_read(&vcpu->kvm->slots_lock);
+		srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
 		if (r == EMULATE_DO_MMIO) {
 			/*
 			 * Read-modify-write.  Back to userspace.
@@ -4204,13 +4621,12 @@ int kvm_arch_vcpu_ioctl_get_sregs(struct kvm_vcpu *vcpu,
 	sregs->gdt.limit = dt.limit;
 	sregs->gdt.base = dt.base;
 
-	kvm_x86_ops->decache_cr4_guest_bits(vcpu);
-	sregs->cr0 = vcpu->arch.cr0;
+	sregs->cr0 = kvm_read_cr0(vcpu);
 	sregs->cr2 = vcpu->arch.cr2;
 	sregs->cr3 = vcpu->arch.cr3;
-	sregs->cr4 = vcpu->arch.cr4;
+	sregs->cr4 = kvm_read_cr4(vcpu);
 	sregs->cr8 = kvm_get_cr8(vcpu);
-	sregs->efer = vcpu->arch.shadow_efer;
+	sregs->efer = vcpu->arch.efer;
 	sregs->apic_base = kvm_get_apic_base(vcpu);
 
 	memset(sregs->interrupt_bitmap, 0, sizeof sregs->interrupt_bitmap);
@@ -4298,14 +4714,23 @@ static int load_guest_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
 {
 	struct descriptor_table dtable;
 	u16 index = selector >> 3;
+	int ret;
+	u32 err;
+	gva_t addr;
 
 	get_segment_descriptor_dtable(vcpu, selector, &dtable);
 
 	if (dtable.limit < index * 8 + 7) {
 		kvm_queue_exception_e(vcpu, GP_VECTOR, selector & 0xfffc);
-		return 1;
+		return X86EMUL_PROPAGATE_FAULT;
 	}
-	return kvm_read_guest_virt(dtable.base + index*8, seg_desc, sizeof(*seg_desc), vcpu);
+	addr = dtable.base + index * 8;
+	ret = kvm_read_guest_virt_system(addr, seg_desc, sizeof(*seg_desc),
+					 vcpu,  &err);
+	if (ret == X86EMUL_PROPAGATE_FAULT)
+		kvm_inject_page_fault(vcpu, addr, err);
+
+       return ret;
 }
 
 /* allowed just for 8 bytes segments */
@@ -4319,15 +4744,23 @@ static int save_guest_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
 
 	if (dtable.limit < index * 8 + 7)
 		return 1;
-	return kvm_write_guest_virt(dtable.base + index*8, seg_desc, sizeof(*seg_desc), vcpu);
+	return kvm_write_guest_virt(dtable.base + index*8, seg_desc, sizeof(*seg_desc), vcpu, NULL);
+}
+
+static gpa_t get_tss_base_addr_write(struct kvm_vcpu *vcpu,
+			       struct desc_struct *seg_desc)
+{
+	u32 base_addr = get_desc_base(seg_desc);
+
+	return kvm_mmu_gva_to_gpa_write(vcpu, base_addr, NULL);
 }
 
-static gpa_t get_tss_base_addr(struct kvm_vcpu *vcpu,
+static gpa_t get_tss_base_addr_read(struct kvm_vcpu *vcpu,
 			     struct desc_struct *seg_desc)
 {
 	u32 base_addr = get_desc_base(seg_desc);
 
-	return vcpu->arch.mmu.gva_to_gpa(vcpu, base_addr);
+	return kvm_mmu_gva_to_gpa_read(vcpu, base_addr, NULL);
 }
 
 static u16 get_segment_selector(struct kvm_vcpu *vcpu, int seg)
@@ -4338,18 +4771,6 @@ static u16 get_segment_selector(struct kvm_vcpu *vcpu, int seg)
 	return kvm_seg.selector;
 }
 
-static int load_segment_descriptor_to_kvm_desct(struct kvm_vcpu *vcpu,
-						u16 selector,
-						struct kvm_segment *kvm_seg)
-{
-	struct desc_struct seg_desc;
-
-	if (load_guest_segment_descriptor(vcpu, selector, &seg_desc))
-		return 1;
-	seg_desct_to_kvm_desct(&seg_desc, selector, kvm_seg);
-	return 0;
-}
-
 static int kvm_load_realmode_segment(struct kvm_vcpu *vcpu, u16 selector, int seg)
 {
 	struct kvm_segment segvar = {
@@ -4367,7 +4788,7 @@ static int kvm_load_realmode_segment(struct kvm_vcpu *vcpu, u16 selector, int se
 		.unusable = 0,
 	};
 	kvm_x86_ops->set_segment(vcpu, &segvar, seg);
-	return 0;
+	return X86EMUL_CONTINUE;
 }
 
 static int is_vm86_segment(struct kvm_vcpu *vcpu, int seg)
@@ -4377,24 +4798,112 @@ static int is_vm86_segment(struct kvm_vcpu *vcpu, int seg)
 		(kvm_get_rflags(vcpu) & X86_EFLAGS_VM);
 }
 
-int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector,
-				int type_bits, int seg)
+int kvm_load_segment_descriptor(struct kvm_vcpu *vcpu, u16 selector, int seg)
 {
 	struct kvm_segment kvm_seg;
+	struct desc_struct seg_desc;
+	u8 dpl, rpl, cpl;
+	unsigned err_vec = GP_VECTOR;
+	u32 err_code = 0;
+	bool null_selector = !(selector & ~0x3); /* 0000-0003 are null */
+	int ret;
 
-	if (is_vm86_segment(vcpu, seg) || !(vcpu->arch.cr0 & X86_CR0_PE))
+	if (is_vm86_segment(vcpu, seg) || !is_protmode(vcpu))
 		return kvm_load_realmode_segment(vcpu, selector, seg);
-	if (load_segment_descriptor_to_kvm_desct(vcpu, selector, &kvm_seg))
-		return 1;
-	kvm_seg.type |= type_bits;
 
-	if (seg != VCPU_SREG_SS && seg != VCPU_SREG_CS &&
-	    seg != VCPU_SREG_LDTR)
-		if (!kvm_seg.s)
-			kvm_seg.unusable = 1;
+	/* NULL selector is not valid for TR, CS and SS */
+	if ((seg == VCPU_SREG_CS || seg == VCPU_SREG_SS || seg == VCPU_SREG_TR)
+	    && null_selector)
+		goto exception;
+
+	/* TR should be in GDT only */
+	if (seg == VCPU_SREG_TR && (selector & (1 << 2)))
+		goto exception;
+
+	ret = load_guest_segment_descriptor(vcpu, selector, &seg_desc);
+	if (ret)
+		return ret;
+
+	seg_desct_to_kvm_desct(&seg_desc, selector, &kvm_seg);
+
+	if (null_selector) { /* for NULL selector skip all following checks */
+		kvm_seg.unusable = 1;
+		goto load;
+	}
+
+	err_code = selector & 0xfffc;
+	err_vec = GP_VECTOR;
 
+	/* can't load system descriptor into segment selecor */
+	if (seg <= VCPU_SREG_GS && !kvm_seg.s)
+		goto exception;
+
+	if (!kvm_seg.present) {
+		err_vec = (seg == VCPU_SREG_SS) ? SS_VECTOR : NP_VECTOR;
+		goto exception;
+	}
+
+	rpl = selector & 3;
+	dpl = kvm_seg.dpl;
+	cpl = kvm_x86_ops->get_cpl(vcpu);
+
+	switch (seg) {
+	case VCPU_SREG_SS:
+		/*
+		 * segment is not a writable data segment or segment
+		 * selector's RPL != CPL or segment selector's RPL != CPL
+		 */
+		if (rpl != cpl || (kvm_seg.type & 0xa) != 0x2 || dpl != cpl)
+			goto exception;
+		break;
+	case VCPU_SREG_CS:
+		if (!(kvm_seg.type & 8))
+			goto exception;
+
+		if (kvm_seg.type & 4) {
+			/* conforming */
+			if (dpl > cpl)
+				goto exception;
+		} else {
+			/* nonconforming */
+			if (rpl > cpl || dpl != cpl)
+				goto exception;
+		}
+		/* CS(RPL) <- CPL */
+		selector = (selector & 0xfffc) | cpl;
+            break;
+	case VCPU_SREG_TR:
+		if (kvm_seg.s || (kvm_seg.type != 1 && kvm_seg.type != 9))
+			goto exception;
+		break;
+	case VCPU_SREG_LDTR:
+		if (kvm_seg.s || kvm_seg.type != 2)
+			goto exception;
+		break;
+	default: /*  DS, ES, FS, or GS */
+		/*
+		 * segment is not a data or readable code segment or
+		 * ((segment is a data or nonconforming code segment)
+		 * and (both RPL and CPL > DPL))
+		 */
+		if ((kvm_seg.type & 0xa) == 0x8 ||
+		    (((kvm_seg.type & 0xc) != 0xc) && (rpl > dpl && cpl > dpl)))
+			goto exception;
+		break;
+	}
+
+	if (!kvm_seg.unusable && kvm_seg.s) {
+		/* mark segment as accessed */
+		kvm_seg.type |= 1;
+		seg_desc.type |= 1;
+		save_guest_segment_descriptor(vcpu, selector, &seg_desc);
+	}
+load:
 	kvm_set_segment(vcpu, &kvm_seg, seg);
-	return 0;
+	return X86EMUL_CONTINUE;
+exception:
+	kvm_queue_exception_e(vcpu, err_vec, err_code);
+	return X86EMUL_PROPAGATE_FAULT;
 }
 
 static void save_state_to_tss32(struct kvm_vcpu *vcpu,
@@ -4420,6 +4929,14 @@ static void save_state_to_tss32(struct kvm_vcpu *vcpu,
 	tss->ldt_selector = get_segment_selector(vcpu, VCPU_SREG_LDTR);
 }
 
+static void kvm_load_segment_selector(struct kvm_vcpu *vcpu, u16 sel, int seg)
+{
+	struct kvm_segment kvm_seg;
+	kvm_get_segment(vcpu, &kvm_seg, seg);
+	kvm_seg.selector = sel;
+	kvm_set_segment(vcpu, &kvm_seg, seg);
+}
+
 static int load_state_from_tss32(struct kvm_vcpu *vcpu,
 				  struct tss_segment_32 *tss)
 {
@@ -4437,25 +4954,41 @@ static int load_state_from_tss32(struct kvm_vcpu *vcpu,
 	kvm_register_write(vcpu, VCPU_REGS_RSI, tss->esi);
 	kvm_register_write(vcpu, VCPU_REGS_RDI, tss->edi);
 
-	if (kvm_load_segment_descriptor(vcpu, tss->ldt_selector, 0, VCPU_SREG_LDTR))
+	/*
+	 * SDM says that segment selectors are loaded before segment
+	 * descriptors
+	 */
+	kvm_load_segment_selector(vcpu, tss->ldt_selector, VCPU_SREG_LDTR);
+	kvm_load_segment_selector(vcpu, tss->es, VCPU_SREG_ES);
+	kvm_load_segment_selector(vcpu, tss->cs, VCPU_SREG_CS);
+	kvm_load_segment_selector(vcpu, tss->ss, VCPU_SREG_SS);
+	kvm_load_segment_selector(vcpu, tss->ds, VCPU_SREG_DS);
+	kvm_load_segment_selector(vcpu, tss->fs, VCPU_SREG_FS);
+	kvm_load_segment_selector(vcpu, tss->gs, VCPU_SREG_GS);
+
+	/*
+	 * Now load segment descriptors. If fault happenes at this stage
+	 * it is handled in a context of new task
+	 */
+	if (kvm_load_segment_descriptor(vcpu, tss->ldt_selector, VCPU_SREG_LDTR))
 		return 1;
 
-	if (kvm_load_segment_descriptor(vcpu, tss->es, 1, VCPU_SREG_ES))
+	if (kvm_load_segment_descriptor(vcpu, tss->es, VCPU_SREG_ES))
 		return 1;
 
-	if (kvm_load_segment_descriptor(vcpu, tss->cs, 9, VCPU_SREG_CS))
+	if (kvm_load_segment_descriptor(vcpu, tss->cs, VCPU_SREG_CS))
 		return 1;
 
-	if (kvm_load_segment_descriptor(vcpu, tss->ss, 1, VCPU_SREG_SS))
+	if (kvm_load_segment_descriptor(vcpu, tss->ss, VCPU_SREG_SS))
 		return 1;
 
-	if (kvm_load_segment_descriptor(vcpu, tss->ds, 1, VCPU_SREG_DS))
+	if (kvm_load_segment_descriptor(vcpu, tss->ds, VCPU_SREG_DS))
 		return 1;
 
-	if (kvm_load_segment_descriptor(vcpu, tss->fs, 1, VCPU_SREG_FS))
+	if (kvm_load_segment_descriptor(vcpu, tss->fs, VCPU_SREG_FS))
 		return 1;
 
-	if (kvm_load_segment_descriptor(vcpu, tss->gs, 1, VCPU_SREG_GS))
+	if (kvm_load_segment_descriptor(vcpu, tss->gs, VCPU_SREG_GS))
 		return 1;
 	return 0;
 }
@@ -4495,19 +5028,33 @@ static int load_state_from_tss16(struct kvm_vcpu *vcpu,
 	kvm_register_write(vcpu, VCPU_REGS_RSI, tss->si);
 	kvm_register_write(vcpu, VCPU_REGS_RDI, tss->di);
 
-	if (kvm_load_segment_descriptor(vcpu, tss->ldt, 0, VCPU_SREG_LDTR))
+	/*
+	 * SDM says that segment selectors are loaded before segment
+	 * descriptors
+	 */
+	kvm_load_segment_selector(vcpu, tss->ldt, VCPU_SREG_LDTR);
+	kvm_load_segment_selector(vcpu, tss->es, VCPU_SREG_ES);
+	kvm_load_segment_selector(vcpu, tss->cs, VCPU_SREG_CS);
+	kvm_load_segment_selector(vcpu, tss->ss, VCPU_SREG_SS);
+	kvm_load_segment_selector(vcpu, tss->ds, VCPU_SREG_DS);
+
+	/*
+	 * Now load segment descriptors. If fault happenes at this stage
+	 * it is handled in a context of new task
+	 */
+	if (kvm_load_segment_descriptor(vcpu, tss->ldt, VCPU_SREG_LDTR))
 		return 1;
 
-	if (kvm_load_segment_descriptor(vcpu, tss->es, 1, VCPU_SREG_ES))
+	if (kvm_load_segment_descriptor(vcpu, tss->es, VCPU_SREG_ES))
 		return 1;
 
-	if (kvm_load_segment_descriptor(vcpu, tss->cs, 9, VCPU_SREG_CS))
+	if (kvm_load_segment_descriptor(vcpu, tss->cs, VCPU_SREG_CS))
 		return 1;
 
-	if (kvm_load_segment_descriptor(vcpu, tss->ss, 1, VCPU_SREG_SS))
+	if (kvm_load_segment_descriptor(vcpu, tss->ss, VCPU_SREG_SS))
 		return 1;
 
-	if (kvm_load_segment_descriptor(vcpu, tss->ds, 1, VCPU_SREG_DS))
+	if (kvm_load_segment_descriptor(vcpu, tss->ds, VCPU_SREG_DS))
 		return 1;
 	return 0;
 }
@@ -4529,7 +5076,7 @@ static int kvm_task_switch_16(struct kvm_vcpu *vcpu, u16 tss_selector,
 			    sizeof tss_segment_16))
 		goto out;
 
-	if (kvm_read_guest(vcpu->kvm, get_tss_base_addr(vcpu, nseg_desc),
+	if (kvm_read_guest(vcpu->kvm, get_tss_base_addr_read(vcpu, nseg_desc),
 			   &tss_segment_16, sizeof tss_segment_16))
 		goto out;
 
@@ -4537,7 +5084,7 @@ static int kvm_task_switch_16(struct kvm_vcpu *vcpu, u16 tss_selector,
 		tss_segment_16.prev_task_link = old_tss_sel;
 
 		if (kvm_write_guest(vcpu->kvm,
-				    get_tss_base_addr(vcpu, nseg_desc),
+				    get_tss_base_addr_write(vcpu, nseg_desc),
 				    &tss_segment_16.prev_task_link,
 				    sizeof tss_segment_16.prev_task_link))
 			goto out;
@@ -4568,7 +5115,7 @@ static int kvm_task_switch_32(struct kvm_vcpu *vcpu, u16 tss_selector,
 			    sizeof tss_segment_32))
 		goto out;
 
-	if (kvm_read_guest(vcpu->kvm, get_tss_base_addr(vcpu, nseg_desc),
+	if (kvm_read_guest(vcpu->kvm, get_tss_base_addr_read(vcpu, nseg_desc),
 			   &tss_segment_32, sizeof tss_segment_32))
 		goto out;
 
@@ -4576,7 +5123,7 @@ static int kvm_task_switch_32(struct kvm_vcpu *vcpu, u16 tss_selector,
 		tss_segment_32.prev_task_link = old_tss_sel;
 
 		if (kvm_write_guest(vcpu->kvm,
-				    get_tss_base_addr(vcpu, nseg_desc),
+				    get_tss_base_addr_write(vcpu, nseg_desc),
 				    &tss_segment_32.prev_task_link,
 				    sizeof tss_segment_32.prev_task_link))
 			goto out;
@@ -4599,7 +5146,7 @@ int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason)
 	u32 old_tss_base = get_segment_base(vcpu, VCPU_SREG_TR);
 	u16 old_tss_sel = get_segment_selector(vcpu, VCPU_SREG_TR);
 
-	old_tss_base = vcpu->arch.mmu.gva_to_gpa(vcpu, old_tss_base);
+	old_tss_base = kvm_mmu_gva_to_gpa_write(vcpu, old_tss_base, NULL);
 
 	/* FIXME: Handle errors. Failure to read either TSS or their
 	 * descriptors should generate a pagefault.
@@ -4658,7 +5205,7 @@ int kvm_task_switch(struct kvm_vcpu *vcpu, u16 tss_selector, int reason)
 					      &nseg_desc);
 	}
 
-	kvm_x86_ops->set_cr0(vcpu, vcpu->arch.cr0 | X86_CR0_TS);
+	kvm_x86_ops->set_cr0(vcpu, kvm_read_cr0(vcpu) | X86_CR0_TS);
 	seg_desct_to_kvm_desct(&nseg_desc, tss_selector, &tr_seg);
 	tr_seg.type = 11;
 	kvm_set_segment(vcpu, &tr_seg, VCPU_SREG_TR);
@@ -4689,17 +5236,15 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
 
 	kvm_set_cr8(vcpu, sregs->cr8);
 
-	mmu_reset_needed |= vcpu->arch.shadow_efer != sregs->efer;
+	mmu_reset_needed |= vcpu->arch.efer != sregs->efer;
 	kvm_x86_ops->set_efer(vcpu, sregs->efer);
 	kvm_set_apic_base(vcpu, sregs->apic_base);
 
-	kvm_x86_ops->decache_cr4_guest_bits(vcpu);
-
-	mmu_reset_needed |= vcpu->arch.cr0 != sregs->cr0;
+	mmu_reset_needed |= kvm_read_cr0(vcpu) != sregs->cr0;
 	kvm_x86_ops->set_cr0(vcpu, sregs->cr0);
 	vcpu->arch.cr0 = sregs->cr0;
 
-	mmu_reset_needed |= vcpu->arch.cr4 != sregs->cr4;
+	mmu_reset_needed |= kvm_read_cr4(vcpu) != sregs->cr4;
 	kvm_x86_ops->set_cr4(vcpu, sregs->cr4);
 	if (!is_long_mode(vcpu) && is_pae(vcpu)) {
 		load_pdptrs(vcpu, vcpu->arch.cr3);
@@ -4734,7 +5279,7 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu,
 	/* Older userspace won't unhalt the vcpu on reset. */
 	if (kvm_vcpu_is_bsp(vcpu) && kvm_rip_read(vcpu) == 0xfff0 &&
 	    sregs->cs.selector == 0xf000 && sregs->cs.base == 0xffff0000 &&
-	    !(vcpu->arch.cr0 & X86_CR0_PE))
+	    !is_protmode(vcpu))
 		vcpu->arch.mp_state = KVM_MP_STATE_RUNNABLE;
 
 	vcpu_put(vcpu);
@@ -4832,11 +5377,12 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu,
 {
 	unsigned long vaddr = tr->linear_address;
 	gpa_t gpa;
+	int idx;
 
 	vcpu_load(vcpu);
-	down_read(&vcpu->kvm->slots_lock);
-	gpa = vcpu->arch.mmu.gva_to_gpa(vcpu, vaddr);
-	up_read(&vcpu->kvm->slots_lock);
+	idx = srcu_read_lock(&vcpu->kvm->srcu);
+	gpa = kvm_mmu_gva_to_gpa_system(vcpu, vaddr, NULL);
+	srcu_read_unlock(&vcpu->kvm->srcu, idx);
 	tr->physical_address = gpa;
 	tr->valid = gpa != UNMAPPED_GVA;
 	tr->writeable = 1;
@@ -4917,14 +5463,14 @@ EXPORT_SYMBOL_GPL(fx_init);
 
 void kvm_load_guest_fpu(struct kvm_vcpu *vcpu)
 {
-	if (!vcpu->fpu_active || vcpu->guest_fpu_loaded)
+	if (vcpu->guest_fpu_loaded)
 		return;
 
 	vcpu->guest_fpu_loaded = 1;
 	kvm_fx_save(&vcpu->arch.host_fx_image);
 	kvm_fx_restore(&vcpu->arch.guest_fx_image);
+	trace_kvm_fpu(1);
 }
-EXPORT_SYMBOL_GPL(kvm_load_guest_fpu);
 
 void kvm_put_guest_fpu(struct kvm_vcpu *vcpu)
 {
@@ -4935,8 +5481,9 @@ void kvm_put_guest_fpu(struct kvm_vcpu *vcpu)
 	kvm_fx_save(&vcpu->arch.guest_fx_image);
 	kvm_fx_restore(&vcpu->arch.host_fx_image);
 	++vcpu->stat.fpu_reload;
+	set_bit(KVM_REQ_DEACTIVATE_FPU, &vcpu->requests);
+	trace_kvm_fpu(0);
 }
-EXPORT_SYMBOL_GPL(kvm_put_guest_fpu);
 
 void kvm_arch_vcpu_free(struct kvm_vcpu *vcpu)
 {
@@ -5088,11 +5635,13 @@ fail:
 
 void kvm_arch_vcpu_uninit(struct kvm_vcpu *vcpu)
 {
+	int idx;
+
 	kfree(vcpu->arch.mce_banks);
 	kvm_free_lapic(vcpu);
-	down_read(&vcpu->kvm->slots_lock);
+	idx = srcu_read_lock(&vcpu->kvm->srcu);
 	kvm_mmu_destroy(vcpu);
-	up_read(&vcpu->kvm->slots_lock);
+	srcu_read_unlock(&vcpu->kvm->srcu, idx);
 	free_page((unsigned long)vcpu->arch.pio_data);
 }
 
@@ -5103,6 +5652,12 @@ struct  kvm *kvm_arch_create_vm(void)
 	if (!kvm)
 		return ERR_PTR(-ENOMEM);
 
+	kvm->arch.aliases = kzalloc(sizeof(struct kvm_mem_aliases), GFP_KERNEL);
+	if (!kvm->arch.aliases) {
+		kfree(kvm);
+		return ERR_PTR(-ENOMEM);
+	}
+
 	INIT_LIST_HEAD(&kvm->arch.active_mmu_pages);
 	INIT_LIST_HEAD(&kvm->arch.assigned_dev_head);
 
@@ -5159,16 +5714,18 @@ void kvm_arch_destroy_vm(struct kvm *kvm)
 		put_page(kvm->arch.apic_access_page);
 	if (kvm->arch.ept_identity_pagetable)
 		put_page(kvm->arch.ept_identity_pagetable);
+	cleanup_srcu_struct(&kvm->srcu);
+	kfree(kvm->arch.aliases);
 	kfree(kvm);
 }
 
-int kvm_arch_set_memory_region(struct kvm *kvm,
-				struct kvm_userspace_memory_region *mem,
+int kvm_arch_prepare_memory_region(struct kvm *kvm,
+				struct kvm_memory_slot *memslot,
 				struct kvm_memory_slot old,
+				struct kvm_userspace_memory_region *mem,
 				int user_alloc)
 {
-	int npages = mem->memory_size >> PAGE_SHIFT;
-	struct kvm_memory_slot *memslot = &kvm->memslots[mem->slot];
+	int npages = memslot->npages;
 
 	/*To keep backward compatibility with older userspace,
 	 *x86 needs to hanlde !user_alloc case.
@@ -5188,26 +5745,35 @@ int kvm_arch_set_memory_region(struct kvm *kvm,
 			if (IS_ERR((void *)userspace_addr))
 				return PTR_ERR((void *)userspace_addr);
 
-			/* set userspace_addr atomically for kvm_hva_to_rmapp */
-			spin_lock(&kvm->mmu_lock);
 			memslot->userspace_addr = userspace_addr;
-			spin_unlock(&kvm->mmu_lock);
-		} else {
-			if (!old.user_alloc && old.rmap) {
-				int ret;
-
-				down_write(&current->mm->mmap_sem);
-				ret = do_munmap(current->mm, old.userspace_addr,
-						old.npages * PAGE_SIZE);
-				up_write(&current->mm->mmap_sem);
-				if (ret < 0)
-					printk(KERN_WARNING
-				       "kvm_vm_ioctl_set_memory_region: "
-				       "failed to munmap memory\n");
-			}
 		}
 	}
 
+
+	return 0;
+}
+
+void kvm_arch_commit_memory_region(struct kvm *kvm,
+				struct kvm_userspace_memory_region *mem,
+				struct kvm_memory_slot old,
+				int user_alloc)
+{
+
+	int npages = mem->memory_size >> PAGE_SHIFT;
+
+	if (!user_alloc && !old.user_alloc && old.rmap && !npages) {
+		int ret;
+
+		down_write(&current->mm->mmap_sem);
+		ret = do_munmap(current->mm, old.userspace_addr,
+				old.npages * PAGE_SIZE);
+		up_write(&current->mm->mmap_sem);
+		if (ret < 0)
+			printk(KERN_WARNING
+			       "kvm_vm_ioctl_set_memory_region: "
+			       "failed to munmap memory\n");
+	}
+
 	spin_lock(&kvm->mmu_lock);
 	if (!kvm->arch.n_requested_mmu_pages) {
 		unsigned int nr_mmu_pages = kvm_mmu_calculate_mmu_pages(kvm);
@@ -5216,8 +5782,6 @@ int kvm_arch_set_memory_region(struct kvm *kvm,
 
 	kvm_mmu_slot_remove_write_access(kvm, mem->slot);
 	spin_unlock(&kvm->mmu_lock);
-
-	return 0;
 }
 
 void kvm_arch_flush_shadow(struct kvm *kvm)
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 5eadea585d2a..2d101639bd8d 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -2,6 +2,7 @@
 #define ARCH_X86_KVM_X86_H
 
 #include <linux/kvm_host.h>
+#include "kvm_cache_regs.h"
 
 static inline void kvm_clear_exception_queue(struct kvm_vcpu *vcpu)
 {
@@ -35,4 +36,33 @@ static inline bool kvm_exception_is_soft(unsigned int nr)
 struct kvm_cpuid_entry2 *kvm_find_cpuid_entry(struct kvm_vcpu *vcpu,
                                              u32 function, u32 index);
 
+static inline bool is_protmode(struct kvm_vcpu *vcpu)
+{
+	return kvm_read_cr0_bits(vcpu, X86_CR0_PE);
+}
+
+static inline int is_long_mode(struct kvm_vcpu *vcpu)
+{
+#ifdef CONFIG_X86_64
+	return vcpu->arch.efer & EFER_LMA;
+#else
+	return 0;
+#endif
+}
+
+static inline int is_pae(struct kvm_vcpu *vcpu)
+{
+	return kvm_read_cr4_bits(vcpu, X86_CR4_PAE);
+}
+
+static inline int is_pse(struct kvm_vcpu *vcpu)
+{
+	return kvm_read_cr4_bits(vcpu, X86_CR4_PSE);
+}
+
+static inline int is_paging(struct kvm_vcpu *vcpu)
+{
+	return kvm_read_cr0_bits(vcpu, X86_CR0_PG);
+}
+
 #endif
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index e71c5cbc8f35..452ee5b8f309 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -331,11 +331,23 @@ int devmem_is_allowed(unsigned long pagenr)
 
 void free_init_pages(char *what, unsigned long begin, unsigned long end)
 {
-	unsigned long addr = begin;
+	unsigned long addr;
+	unsigned long begin_aligned, end_aligned;
 
-	if (addr >= end)
+	/* Make sure boundaries are page aligned */
+	begin_aligned = PAGE_ALIGN(begin);
+	end_aligned   = end & PAGE_MASK;
+
+	if (WARN_ON(begin_aligned != begin || end_aligned != end)) {
+		begin = begin_aligned;
+		end   = end_aligned;
+	}
+
+	if (begin >= end)
 		return;
 
+	addr = begin;
+
 	/*
 	 * If debugging page accesses then do not free this memory but
 	 * mark them not present - any buggy init-section access will
@@ -343,7 +355,7 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)
 	 */
 #ifdef CONFIG_DEBUG_PAGEALLOC
 	printk(KERN_INFO "debug: unmapping init memory %08lx..%08lx\n",
-		begin, PAGE_ALIGN(end));
+		begin, end);
 	set_memory_np(begin, (end - begin) >> PAGE_SHIFT);
 #else
 	/*
@@ -358,8 +370,7 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end)
 	for (; addr < end; addr += PAGE_SIZE) {
 		ClearPageReserved(virt_to_page(addr));
 		init_page_count(virt_to_page(addr));
-		memset((void *)(addr & ~(PAGE_SIZE-1)),
-			POISON_FREE_INITMEM, PAGE_SIZE);
+		memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE);
 		free_page(addr);
 		totalram_pages++;
 	}
@@ -376,6 +387,15 @@ void free_initmem(void)
 #ifdef CONFIG_BLK_DEV_INITRD
 void free_initrd_mem(unsigned long start, unsigned long end)
 {
-	free_init_pages("initrd memory", start, end);
+	/*
+	 * end could be not aligned, and We can not align that,
+	 * decompresser could be confused by aligned initrd_end
+	 * We already reserve the end partial page before in
+	 *   - i386_start_kernel()
+	 *   - x86_64_start_kernel()
+	 *   - relocate_initrd()
+	 * So here We can do PAGE_ALIGN() safely to get partial page to be freed
+	 */
+	free_init_pages("initrd memory", start, PAGE_ALIGN(end));
 }
 #endif
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 2226f2c70ea3..5cb3f0f54f47 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -750,6 +750,7 @@ static void __init zone_sizes_init(void)
 	free_area_init_nodes(max_zone_pfns);
 }
 
+#ifndef CONFIG_NO_BOOTMEM
 static unsigned long __init setup_node_bootmem(int nodeid,
 				 unsigned long start_pfn,
 				 unsigned long end_pfn,
@@ -766,13 +767,14 @@ static unsigned long __init setup_node_bootmem(int nodeid,
 	printk(KERN_INFO "  node %d bootmap %08lx - %08lx\n",
 		 nodeid, bootmap, bootmap + bootmap_size);
 	free_bootmem_with_active_regions(nodeid, end_pfn);
-	early_res_to_bootmem(start_pfn<<PAGE_SHIFT, end_pfn<<PAGE_SHIFT);
 
 	return bootmap + bootmap_size;
 }
+#endif
 
 void __init setup_bootmem_allocator(void)
 {
+#ifndef CONFIG_NO_BOOTMEM
 	int nodeid;
 	unsigned long bootmap_size, bootmap;
 	/*
@@ -784,11 +786,13 @@ void __init setup_bootmem_allocator(void)
 	if (bootmap == -1L)
 		panic("Cannot find bootmem map of size %ld\n", bootmap_size);
 	reserve_early(bootmap, bootmap + bootmap_size, "BOOTMAP");
+#endif
 
 	printk(KERN_INFO "  mapped low ram: 0 - %08lx\n",
 		 max_pfn_mapped<<PAGE_SHIFT);
 	printk(KERN_INFO "  low ram: 0 - %08lx\n", max_low_pfn<<PAGE_SHIFT);
 
+#ifndef CONFIG_NO_BOOTMEM
 	for_each_online_node(nodeid) {
 		 unsigned long start_pfn, end_pfn;
 
@@ -806,6 +810,7 @@ void __init setup_bootmem_allocator(void)
 		bootmap = setup_node_bootmem(nodeid, start_pfn, end_pfn,
 						 bootmap);
 	}
+#endif
 
 	after_bootmem = 1;
 }
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 69ddfbd91135..e9b040e1cde5 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -572,6 +572,7 @@ kernel_physical_mapping_init(unsigned long start,
 void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn,
 				int acpi, int k8)
 {
+#ifndef CONFIG_NO_BOOTMEM
 	unsigned long bootmap_size, bootmap;
 
 	bootmap_size = bootmem_bootmap_pages(end_pfn)<<PAGE_SHIFT;
@@ -579,13 +580,15 @@ void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn,
 				 PAGE_SIZE);
 	if (bootmap == -1L)
 		panic("Cannot find bootmem map of size %ld\n", bootmap_size);
+	reserve_early(bootmap, bootmap + bootmap_size, "BOOTMAP");
 	/* don't touch min_low_pfn */
 	bootmap_size = init_bootmem_node(NODE_DATA(0), bootmap >> PAGE_SHIFT,
 					 0, end_pfn);
 	e820_register_active_regions(0, start_pfn, end_pfn);
 	free_bootmem_with_active_regions(0, end_pfn);
-	early_res_to_bootmem(0, end_pfn<<PAGE_SHIFT);
-	reserve_bootmem(bootmap, bootmap_size, BOOTMEM_DEFAULT);
+#else
+	e820_register_active_regions(0, start_pfn, end_pfn);
+#endif
 }
 #endif
 
@@ -974,7 +977,7 @@ vmemmap_populate(struct page *start_page, unsigned long size, int node)
 			if (pmd_none(*pmd)) {
 				pte_t entry;
 
-				p = vmemmap_alloc_block(PMD_SIZE, node);
+				p = vmemmap_alloc_block_buf(PMD_SIZE, node);
 				if (!p)
 					return -ENOMEM;
 
diff --git a/arch/x86/mm/numa_32.c b/arch/x86/mm/numa_32.c
index b20760ca7244..809baaaf48b1 100644
--- a/arch/x86/mm/numa_32.c
+++ b/arch/x86/mm/numa_32.c
@@ -418,7 +418,10 @@ void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn,
 
 	for_each_online_node(nid) {
 		memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
+		NODE_DATA(nid)->node_id = nid;
+#ifndef CONFIG_NO_BOOTMEM
 		NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
+#endif
 	}
 
 	setup_bootmem_allocator();
diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c
index 3307ea8bd43a..8948f47fde05 100644
--- a/arch/x86/mm/numa_64.c
+++ b/arch/x86/mm/numa_64.c
@@ -163,30 +163,48 @@ static void * __init early_node_mem(int nodeid, unsigned long start,
 				    unsigned long end, unsigned long size,
 				    unsigned long align)
 {
-	unsigned long mem = find_e820_area(start, end, size, align);
-	void *ptr;
+	unsigned long mem;
 
+	/*
+	 * put it on high as possible
+	 * something will go with NODE_DATA
+	 */
+	if (start < (MAX_DMA_PFN<<PAGE_SHIFT))
+		start = MAX_DMA_PFN<<PAGE_SHIFT;
+	if (start < (MAX_DMA32_PFN<<PAGE_SHIFT) &&
+	    end > (MAX_DMA32_PFN<<PAGE_SHIFT))
+		start = MAX_DMA32_PFN<<PAGE_SHIFT;
+	mem = find_e820_area(start, end, size, align);
+	if (mem != -1L)
+		return __va(mem);
+
+	/* extend the search scope */
+	end = max_pfn_mapped << PAGE_SHIFT;
+	if (end > (MAX_DMA32_PFN<<PAGE_SHIFT))
+		start = MAX_DMA32_PFN<<PAGE_SHIFT;
+	else
+		start = MAX_DMA_PFN<<PAGE_SHIFT;
+	mem = find_e820_area(start, end, size, align);
 	if (mem != -1L)
 		return __va(mem);
 
-	ptr = __alloc_bootmem_nopanic(size, align, __pa(MAX_DMA_ADDRESS));
-	if (ptr == NULL) {
-		printk(KERN_ERR "Cannot find %lu bytes in node %d\n",
+	printk(KERN_ERR "Cannot find %lu bytes in node %d\n",
 		       size, nodeid);
-		return NULL;
-	}
-	return ptr;
+
+	return NULL;
 }
 
 /* Initialize bootmem allocator for a node */
 void __init
 setup_node_bootmem(int nodeid, unsigned long start, unsigned long end)
 {
-	unsigned long start_pfn, last_pfn, bootmap_pages, bootmap_size;
+	unsigned long start_pfn, last_pfn, nodedata_phys;
 	const int pgdat_size = roundup(sizeof(pg_data_t), PAGE_SIZE);
-	unsigned long bootmap_start, nodedata_phys;
-	void *bootmap;
 	int nid;
+#ifndef CONFIG_NO_BOOTMEM
+	unsigned long bootmap_start, bootmap_pages, bootmap_size;
+	void *bootmap;
+#endif
 
 	if (!end)
 		return;
@@ -200,7 +218,7 @@ setup_node_bootmem(int nodeid, unsigned long start, unsigned long end)
 
 	start = roundup(start, ZONE_ALIGN);
 
-	printk(KERN_INFO "Bootmem setup node %d %016lx-%016lx\n", nodeid,
+	printk(KERN_INFO "Initmem setup node %d %016lx-%016lx\n", nodeid,
 	       start, end);
 
 	start_pfn = start >> PAGE_SHIFT;
@@ -211,14 +229,21 @@ setup_node_bootmem(int nodeid, unsigned long start, unsigned long end)
 	if (node_data[nodeid] == NULL)
 		return;
 	nodedata_phys = __pa(node_data[nodeid]);
+	reserve_early(nodedata_phys, nodedata_phys + pgdat_size, "NODE_DATA");
 	printk(KERN_INFO "  NODE_DATA [%016lx - %016lx]\n", nodedata_phys,
 		nodedata_phys + pgdat_size - 1);
+	nid = phys_to_nid(nodedata_phys);
+	if (nid != nodeid)
+		printk(KERN_INFO "    NODE_DATA(%d) on node %d\n", nodeid, nid);
 
 	memset(NODE_DATA(nodeid), 0, sizeof(pg_data_t));
-	NODE_DATA(nodeid)->bdata = &bootmem_node_data[nodeid];
+	NODE_DATA(nodeid)->node_id = nodeid;
 	NODE_DATA(nodeid)->node_start_pfn = start_pfn;
 	NODE_DATA(nodeid)->node_spanned_pages = last_pfn - start_pfn;
 
+#ifndef CONFIG_NO_BOOTMEM
+	NODE_DATA(nodeid)->bdata = &bootmem_node_data[nodeid];
+
 	/*
 	 * Find a place for the bootmem map
 	 * nodedata_phys could be on other nodes by alloc_bootmem,
@@ -227,11 +252,7 @@ setup_node_bootmem(int nodeid, unsigned long start, unsigned long end)
 	 * of alloc_bootmem, that could clash with reserved range
 	 */
 	bootmap_pages = bootmem_bootmap_pages(last_pfn - start_pfn);
-	nid = phys_to_nid(nodedata_phys);
-	if (nid == nodeid)
-		bootmap_start = roundup(nodedata_phys + pgdat_size, PAGE_SIZE);
-	else
-		bootmap_start = roundup(start, PAGE_SIZE);
+	bootmap_start = roundup(nodedata_phys + pgdat_size, PAGE_SIZE);
 	/*
 	 * SMP_CACHE_BYTES could be enough, but init_bootmem_node like
 	 * to use that to align to PAGE_SIZE
@@ -239,18 +260,13 @@ setup_node_bootmem(int nodeid, unsigned long start, unsigned long end)
 	bootmap = early_node_mem(nodeid, bootmap_start, end,
 				 bootmap_pages<<PAGE_SHIFT, PAGE_SIZE);
 	if (bootmap == NULL)  {
-		if (nodedata_phys < start || nodedata_phys >= end) {
-			/*
-			 * only need to free it if it is from other node
-			 * bootmem
-			 */
-			if (nid != nodeid)
-				free_bootmem(nodedata_phys, pgdat_size);
-		}
+		free_early(nodedata_phys, nodedata_phys + pgdat_size);
 		node_data[nodeid] = NULL;
 		return;
 	}
 	bootmap_start = __pa(bootmap);
+	reserve_early(bootmap_start, bootmap_start+(bootmap_pages<<PAGE_SHIFT),
+			"BOOTMAP");
 
 	bootmap_size = init_bootmem_node(NODE_DATA(nodeid),
 					 bootmap_start >> PAGE_SHIFT,
@@ -259,31 +275,12 @@ setup_node_bootmem(int nodeid, unsigned long start, unsigned long end)
 	printk(KERN_INFO "  bootmap [%016lx -  %016lx] pages %lx\n",
 		 bootmap_start, bootmap_start + bootmap_size - 1,
 		 bootmap_pages);
-
-	free_bootmem_with_active_regions(nodeid, end);
-
-	/*
-	 * convert early reserve to bootmem reserve earlier
-	 * otherwise early_node_mem could use early reserved mem
-	 * on previous node
-	 */
-	early_res_to_bootmem(start, end);
-
-	/*
-	 * in some case early_node_mem could use alloc_bootmem
-	 * to get range on other node, don't reserve that again
-	 */
-	if (nid != nodeid)
-		printk(KERN_INFO "    NODE_DATA(%d) on node %d\n", nodeid, nid);
-	else
-		reserve_bootmem_node(NODE_DATA(nodeid), nodedata_phys,
-					pgdat_size, BOOTMEM_DEFAULT);
 	nid = phys_to_nid(bootmap_start);
 	if (nid != nodeid)
 		printk(KERN_INFO "    bootmap(%d) on node %d\n", nodeid, nid);
-	else
-		reserve_bootmem_node(NODE_DATA(nodeid), bootmap_start,
-				 bootmap_pages<<PAGE_SHIFT, BOOTMEM_DEFAULT);
+
+	free_bootmem_with_active_regions(nodeid, end);
+#endif
 
 	node_set_online(nodeid);
 }
@@ -709,6 +706,10 @@ unsigned long __init numa_free_all_bootmem(void)
 	for_each_online_node(i)
 		pages += free_all_bootmem_node(NODE_DATA(i));
 
+#ifdef CONFIG_NO_BOOTMEM
+	pages += free_all_memory_core_early(MAX_NUMNODES);
+#endif
+
 	return pages;
 }
 
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 1d4eb93d333c..cf07c26d9a4a 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -291,8 +291,29 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
 	 */
 	if (kernel_set_to_readonly &&
 	    within(address, (unsigned long)_text,
-		   (unsigned long)__end_rodata_hpage_align))
-		pgprot_val(forbidden) |= _PAGE_RW;
+		   (unsigned long)__end_rodata_hpage_align)) {
+		unsigned int level;
+
+		/*
+		 * Don't enforce the !RW mapping for the kernel text mapping,
+		 * if the current mapping is already using small page mapping.
+		 * No need to work hard to preserve large page mappings in this
+		 * case.
+		 *
+		 * This also fixes the Linux Xen paravirt guest boot failure
+		 * (because of unexpected read-only mappings for kernel identity
+		 * mappings). In this paravirt guest case, the kernel text
+		 * mapping and the kernel identity mapping share the same
+		 * page-table pages. Thus we can't really use different
+		 * protections for the kernel text and identity mappings. Also,
+		 * these shared mappings are made of small page mappings.
+		 * Thus this don't enforce !RW mapping for small page kernel
+		 * text mapping logic will help Linux Xen parvirt guest boot
+		 * aswell.
+		 */
+		if (lookup_address(address, &level) && (level != PG_LEVEL_4K))
+			pgprot_val(forbidden) |= _PAGE_RW;
+	}
 #endif
 
 	prot = __pgprot(pgprot_val(prot) & ~pgprot_val(forbidden));
diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c
index 6a58256dce9f..090cbbec7dbd 100644
--- a/arch/x86/oprofile/op_model_amd.c
+++ b/arch/x86/oprofile/op_model_amd.c
@@ -46,17 +46,6 @@
 
 static unsigned long reset_value[NUM_VIRT_COUNTERS];
 
-/* IbsFetchCtl bits/masks */
-#define IBS_FETCH_RAND_EN		(1ULL<<57)
-#define IBS_FETCH_VAL			(1ULL<<49)
-#define IBS_FETCH_ENABLE		(1ULL<<48)
-#define IBS_FETCH_CNT_MASK		0xFFFF0000ULL
-
-/* IbsOpCtl bits */
-#define IBS_OP_CNT_CTL			(1ULL<<19)
-#define IBS_OP_VAL			(1ULL<<18)
-#define IBS_OP_ENABLE			(1ULL<<17)
-
 #define IBS_FETCH_SIZE			6
 #define IBS_OP_SIZE			12
 
@@ -182,7 +171,7 @@ static void op_amd_setup_ctrs(struct op_x86_model_spec const *model,
 			continue;
 		}
 		rdmsrl(msrs->controls[i].addr, val);
-		if (val & ARCH_PERFMON_EVENTSEL0_ENABLE)
+		if (val & ARCH_PERFMON_EVENTSEL_ENABLE)
 			op_x86_warn_in_use(i);
 		val &= model->reserved;
 		wrmsrl(msrs->controls[i].addr, val);
@@ -290,7 +279,7 @@ op_amd_handle_ibs(struct pt_regs * const regs,
 			oprofile_write_commit(&entry);
 
 			/* reenable the IRQ */
-			ctl &= ~(IBS_FETCH_VAL | IBS_FETCH_CNT_MASK);
+			ctl &= ~(IBS_FETCH_VAL | IBS_FETCH_CNT);
 			ctl |= IBS_FETCH_ENABLE;
 			wrmsrl(MSR_AMD64_IBSFETCHCTL, ctl);
 		}
@@ -330,7 +319,7 @@ static inline void op_amd_start_ibs(void)
 		return;
 
 	if (ibs_config.fetch_enabled) {
-		val = (ibs_config.max_cnt_fetch >> 4) & 0xFFFF;
+		val = (ibs_config.max_cnt_fetch >> 4) & IBS_FETCH_MAX_CNT;
 		val |= ibs_config.rand_en ? IBS_FETCH_RAND_EN : 0;
 		val |= IBS_FETCH_ENABLE;
 		wrmsrl(MSR_AMD64_IBSFETCHCTL, val);
@@ -352,7 +341,7 @@ static inline void op_amd_start_ibs(void)
 			 * avoid underflows.
 			 */
 			ibs_op_ctl = min(ibs_op_ctl + IBS_RANDOM_MAXCNT_OFFSET,
-					 0xFFFFULL);
+					 IBS_OP_MAX_CNT);
 		}
 		if (ibs_caps & IBS_CAPS_OPCNT && ibs_config.dispatched_ops)
 			ibs_op_ctl |= IBS_OP_CNT_CTL;
@@ -409,7 +398,7 @@ static void op_amd_start(struct op_msrs const * const msrs)
 		if (!reset_value[op_x86_phys_to_virt(i)])
 			continue;
 		rdmsrl(msrs->controls[i].addr, val);
-		val |= ARCH_PERFMON_EVENTSEL0_ENABLE;
+		val |= ARCH_PERFMON_EVENTSEL_ENABLE;
 		wrmsrl(msrs->controls[i].addr, val);
 	}
 
@@ -429,7 +418,7 @@ static void op_amd_stop(struct op_msrs const * const msrs)
 		if (!reset_value[op_x86_phys_to_virt(i)])
 			continue;
 		rdmsrl(msrs->controls[i].addr, val);
-		val &= ~ARCH_PERFMON_EVENTSEL0_ENABLE;
+		val &= ~ARCH_PERFMON_EVENTSEL_ENABLE;
 		wrmsrl(msrs->controls[i].addr, val);
 	}
 
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
index 5d1727ba409e..2bf90fafa7b5 100644
--- a/arch/x86/oprofile/op_model_ppro.c
+++ b/arch/x86/oprofile/op_model_ppro.c
@@ -88,7 +88,7 @@ static void ppro_setup_ctrs(struct op_x86_model_spec const *model,
 			continue;
 		}
 		rdmsrl(msrs->controls[i].addr, val);
-		if (val & ARCH_PERFMON_EVENTSEL0_ENABLE)
+		if (val & ARCH_PERFMON_EVENTSEL_ENABLE)
 			op_x86_warn_in_use(i);
 		val &= model->reserved;
 		wrmsrl(msrs->controls[i].addr, val);
@@ -166,7 +166,7 @@ static void ppro_start(struct op_msrs const * const msrs)
 	for (i = 0; i < num_counters; ++i) {
 		if (reset_value[i]) {
 			rdmsrl(msrs->controls[i].addr, val);
-			val |= ARCH_PERFMON_EVENTSEL0_ENABLE;
+			val |= ARCH_PERFMON_EVENTSEL_ENABLE;
 			wrmsrl(msrs->controls[i].addr, val);
 		}
 	}
@@ -184,7 +184,7 @@ static void ppro_stop(struct op_msrs const * const msrs)
 		if (!reset_value[i])
 			continue;
 		rdmsrl(msrs->controls[i].addr, val);
-		val &= ~ARCH_PERFMON_EVENTSEL0_ENABLE;
+		val &= ~ARCH_PERFMON_EVENTSEL_ENABLE;
 		wrmsrl(msrs->controls[i].addr, val);
 	}
 }
diff --git a/arch/x86/pci/Makefile b/arch/x86/pci/Makefile
index 39fba37f702f..b110d97fb925 100644
--- a/arch/x86/pci/Makefile
+++ b/arch/x86/pci/Makefile
@@ -13,9 +13,10 @@ obj-$(CONFIG_X86_VISWS)		+= visws.o
 
 obj-$(CONFIG_X86_NUMAQ)		+= numaq_32.o
 
+obj-$(CONFIG_X86_MRST)		+= mrst.o
+
 obj-y				+= common.o early.o
-obj-y				+= amd_bus.o
-obj-$(CONFIG_X86_64)		+= bus_numa.o
+obj-y				+= amd_bus.o bus_numa.o
 
 ifeq ($(CONFIG_PCI_DEBUG),y)
 EXTRA_CFLAGS += -DDEBUG
diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c
index 5f11ff6f5389..e31160216efb 100644
--- a/arch/x86/pci/acpi.c
+++ b/arch/x86/pci/acpi.c
@@ -122,8 +122,8 @@ setup_resource(struct acpi_resource *acpi_res, void *data)
 	struct acpi_resource_address64 addr;
 	acpi_status status;
 	unsigned long flags;
-	struct resource *root;
-	u64 start, end;
+	struct resource *root, *conflict;
+	u64 start, end, max_len;
 
 	status = resource_to_addr(acpi_res, &addr);
 	if (!ACPI_SUCCESS(status))
@@ -140,6 +140,17 @@ setup_resource(struct acpi_resource *acpi_res, void *data)
 	} else
 		return AE_OK;
 
+	max_len = addr.maximum - addr.minimum + 1;
+	if (addr.address_length > max_len) {
+		dev_printk(KERN_DEBUG, &info->bridge->dev,
+			   "host bridge window length %#llx doesn't fit in "
+			   "%#llx-%#llx, trimming\n",
+			   (unsigned long long) addr.address_length,
+			   (unsigned long long) addr.minimum,
+			   (unsigned long long) addr.maximum);
+		addr.address_length = max_len;
+	}
+
 	start = addr.minimum + addr.translation_offset;
 	end = start + addr.address_length - 1;
 
@@ -157,9 +168,12 @@ setup_resource(struct acpi_resource *acpi_res, void *data)
 		return AE_OK;
 	}
 
-	if (insert_resource(root, res)) {
+	conflict = insert_resource_conflict(root, res);
+	if (conflict) {
 		dev_err(&info->bridge->dev,
-			"can't allocate host bridge window %pR\n", res);
+			"address space collision: host bridge window %pR "
+			"conflicts with %s %pR\n",
+			res, conflict->name, conflict);
 	} else {
 		pci_bus_add_resource(info->bus, res, 0);
 		info->res_num++;
@@ -298,17 +312,14 @@ int __init pci_acpi_init(void)
 {
 	struct pci_dev *dev = NULL;
 
-	if (pcibios_scanned)
-		return 0;
-
 	if (acpi_noirq)
-		return 0;
+		return -ENODEV;
 
 	printk(KERN_INFO "PCI: Using ACPI for IRQ routing\n");
 	acpi_irq_penalty_init();
-	pcibios_scanned++;
 	pcibios_enable_irq = acpi_pci_irq_enable;
 	pcibios_disable_irq = acpi_pci_irq_disable;
+	x86_init.pci.init_irq = x86_init_noop;
 
 	if (pci_routeirq) {
 		/*
diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c
index 95ecbd495955..fc1e8fe07e5c 100644
--- a/arch/x86/pci/amd_bus.c
+++ b/arch/x86/pci/amd_bus.c
@@ -2,11 +2,11 @@
 #include <linux/pci.h>
 #include <linux/topology.h>
 #include <linux/cpu.h>
+#include <linux/range.h>
+
 #include <asm/pci_x86.h>
 
-#ifdef CONFIG_X86_64
 #include <asm/pci-direct.h>
-#endif
 
 #include "bus_numa.h"
 
@@ -15,60 +15,6 @@
  * also get peer root bus resource for io,mmio
  */
 
-#ifdef CONFIG_X86_64
-
-#define RANGE_NUM 16
-
-struct res_range {
-	size_t start;
-	size_t end;
-};
-
-static void __init update_range(struct res_range *range, size_t start,
-				size_t end)
-{
-	int i;
-	int j;
-
-	for (j = 0; j < RANGE_NUM; j++) {
-		if (!range[j].end)
-			continue;
-
-		if (start <= range[j].start && end >= range[j].end) {
-			range[j].start = 0;
-			range[j].end = 0;
-			continue;
-		}
-
-		if (start <= range[j].start && end < range[j].end && range[j].start < end + 1) {
-			range[j].start = end + 1;
-			continue;
-		}
-
-
-		if (start > range[j].start && end >= range[j].end && range[j].end > start - 1) {
-			range[j].end = start - 1;
-			continue;
-		}
-
-		if (start > range[j].start && end < range[j].end) {
-			/* find the new spare */
-			for (i = 0; i < RANGE_NUM; i++) {
-				if (range[i].end == 0)
-					break;
-			}
-			if (i < RANGE_NUM) {
-				range[i].end = range[j].end;
-				range[i].start = end + 1;
-			} else {
-				printk(KERN_ERR "run of slot in ranges\n");
-			}
-			range[j].end = start - 1;
-			continue;
-		}
-	}
-}
-
 struct pci_hostbridge_probe {
 	u32 bus;
 	u32 slot;
@@ -111,6 +57,8 @@ static void __init get_pci_mmcfg_amd_fam10h_range(void)
 	fam10h_mmconf_end = base + (1ULL<<(segn_busn_bits + 20)) - 1;
 }
 
+#define RANGE_NUM 16
+
 /**
  * early_fill_mp_bus_to_node()
  * called before pcibios_scan_root and pci_scan_bus
@@ -130,16 +78,17 @@ static int __init early_fill_mp_bus_info(void)
 	struct pci_root_info *info;
 	u32 reg;
 	struct resource *res;
-	size_t start;
-	size_t end;
-	struct res_range range[RANGE_NUM];
+	u64 start;
+	u64 end;
+	struct range range[RANGE_NUM];
 	u64 val;
 	u32 address;
+	bool found;
 
 	if (!early_pci_allowed())
 		return -1;
 
-	found_all_numa_early = 0;
+	found = false;
 	for (i = 0; i < ARRAY_SIZE(pci_probes); i++) {
 		u32 id;
 		u16 device;
@@ -153,12 +102,12 @@ static int __init early_fill_mp_bus_info(void)
 		device = (id>>16) & 0xffff;
 		if (pci_probes[i].vendor == vendor &&
 		    pci_probes[i].device == device) {
-			found_all_numa_early = 1;
+			found = true;
 			break;
 		}
 	}
 
-	if (!found_all_numa_early)
+	if (!found)
 		return 0;
 
 	pci_root_num = 0;
@@ -196,7 +145,7 @@ static int __init early_fill_mp_bus_info(void)
 	def_link = (reg >> 8) & 0x03;
 
 	memset(range, 0, sizeof(range));
-	range[0].end = 0xffff;
+	add_range(range, RANGE_NUM, 0, 0, 0xffff + 1);
 	/* io port resource */
 	for (i = 0; i < 4; i++) {
 		reg = read_pci_config(bus, slot, 1, 0xc0 + (i << 3));
@@ -220,13 +169,13 @@ static int __init early_fill_mp_bus_info(void)
 
 		info = &pci_root_info[j];
 		printk(KERN_DEBUG "node %d link %d: io port [%llx, %llx]\n",
-		       node, link, (u64)start, (u64)end);
+		       node, link, start, end);
 
 		/* kernel only handle 16 bit only */
 		if (end > 0xffff)
 			end = 0xffff;
 		update_res(info, start, end, IORESOURCE_IO, 1);
-		update_range(range, start, end);
+		subtract_range(range, RANGE_NUM, start, end + 1);
 	}
 	/* add left over io port range to def node/link, [0, 0xffff] */
 	/* find the position */
@@ -241,29 +190,32 @@ static int __init early_fill_mp_bus_info(void)
 			if (!range[i].end)
 				continue;
 
-			update_res(info, range[i].start, range[i].end,
+			update_res(info, range[i].start, range[i].end - 1,
 				   IORESOURCE_IO, 1);
 		}
 	}
 
 	memset(range, 0, sizeof(range));
 	/* 0xfd00000000-0xffffffffff for HT */
-	range[0].end = (0xfdULL<<32) - 1;
+	end = cap_resource((0xfdULL<<32) - 1);
+	end++;
+	add_range(range, RANGE_NUM, 0, 0, end);
 
 	/* need to take out [0, TOM) for RAM*/
 	address = MSR_K8_TOP_MEM1;
 	rdmsrl(address, val);
 	end = (val & 0xffffff800000ULL);
-	printk(KERN_INFO "TOM: %016lx aka %ldM\n", end, end>>20);
+	printk(KERN_INFO "TOM: %016llx aka %lldM\n", end, end>>20);
 	if (end < (1ULL<<32))
-		update_range(range, 0, end - 1);
+		subtract_range(range, RANGE_NUM, 0, end);
 
 	/* get mmconfig */
 	get_pci_mmcfg_amd_fam10h_range();
 	/* need to take out mmconf range */
 	if (fam10h_mmconf_end) {
 		printk(KERN_DEBUG "Fam 10h mmconf [%llx, %llx]\n", fam10h_mmconf_start, fam10h_mmconf_end);
-		update_range(range, fam10h_mmconf_start, fam10h_mmconf_end);
+		subtract_range(range, RANGE_NUM, fam10h_mmconf_start,
+				 fam10h_mmconf_end + 1);
 	}
 
 	/* mmio resource */
@@ -293,7 +245,7 @@ static int __init early_fill_mp_bus_info(void)
 		info = &pci_root_info[j];
 
 		printk(KERN_DEBUG "node %d link %d: mmio [%llx, %llx]",
-		       node, link, (u64)start, (u64)end);
+		       node, link, start, end);
 		/*
 		 * some sick allocation would have range overlap with fam10h
 		 * mmconf range, so need to update start and end.
@@ -318,14 +270,15 @@ static int __init early_fill_mp_bus_info(void)
 				/* we got a hole */
 				endx = fam10h_mmconf_start - 1;
 				update_res(info, start, endx, IORESOURCE_MEM, 0);
-				update_range(range, start, endx);
-				printk(KERN_CONT " ==> [%llx, %llx]", (u64)start, endx);
+				subtract_range(range, RANGE_NUM, start,
+						 endx + 1);
+				printk(KERN_CONT " ==> [%llx, %llx]", start, endx);
 				start = fam10h_mmconf_end + 1;
 				changed = 1;
 			}
 			if (changed) {
 				if (start <= end) {
-					printk(KERN_CONT " %s [%llx, %llx]", endx?"and":"==>", (u64)start, (u64)end);
+					printk(KERN_CONT " %s [%llx, %llx]", endx ? "and" : "==>", start, end);
 				} else {
 					printk(KERN_CONT "%s\n", endx?"":" ==> none");
 					continue;
@@ -333,8 +286,9 @@ static int __init early_fill_mp_bus_info(void)
 			}
 		}
 
-		update_res(info, start, end, IORESOURCE_MEM, 1);
-		update_range(range, start, end);
+		update_res(info, cap_resource(start), cap_resource(end),
+				 IORESOURCE_MEM, 1);
+		subtract_range(range, RANGE_NUM, start, end + 1);
 		printk(KERN_CONT "\n");
 	}
 
@@ -348,8 +302,8 @@ static int __init early_fill_mp_bus_info(void)
 		address = MSR_K8_TOP_MEM2;
 		rdmsrl(address, val);
 		end = (val & 0xffffff800000ULL);
-		printk(KERN_INFO "TOM2: %016lx aka %ldM\n", end, end>>20);
-		update_range(range, 1ULL<<32, end - 1);
+		printk(KERN_INFO "TOM2: %016llx aka %lldM\n", end, end>>20);
+		subtract_range(range, RANGE_NUM, 1ULL<<32, end);
 	}
 
 	/*
@@ -368,7 +322,8 @@ static int __init early_fill_mp_bus_info(void)
 			if (!range[i].end)
 				continue;
 
-			update_res(info, range[i].start, range[i].end,
+			update_res(info, cap_resource(range[i].start),
+				   cap_resource(range[i].end - 1),
 				   IORESOURCE_MEM, 1);
 		}
 	}
@@ -384,24 +339,14 @@ static int __init early_fill_mp_bus_info(void)
 		       info->bus_min, info->bus_max, info->node, info->link);
 		for (j = 0; j < res_num; j++) {
 			res = &info->res[j];
-			printk(KERN_DEBUG "bus: %02x index %x %s: [%llx, %llx]\n",
-			       busnum, j,
-			       (res->flags & IORESOURCE_IO)?"io port":"mmio",
-			       res->start, res->end);
+			printk(KERN_DEBUG "bus: %02x index %x %pR\n",
+				       busnum, j, res);
 		}
 	}
 
 	return 0;
 }
 
-#else  /* !CONFIG_X86_64 */
-
-static int __init early_fill_mp_bus_info(void) { return 0; }
-
-#endif /* !CONFIG_X86_64 */
-
-/* common 32/64 bit code */
-
 #define ENABLE_CF8_EXT_CFG      (1ULL << 46)
 
 static void enable_pci_io_ecs(void *unused)
diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c
index 12d54ff3654d..64a122883896 100644
--- a/arch/x86/pci/bus_numa.c
+++ b/arch/x86/pci/bus_numa.c
@@ -1,11 +1,11 @@
 #include <linux/init.h>
 #include <linux/pci.h>
+#include <linux/range.h>
 
 #include "bus_numa.h"
 
 int pci_root_num;
 struct pci_root_info pci_root_info[PCI_ROOT_NR];
-int found_all_numa_early;
 
 void x86_pci_root_bus_res_quirks(struct pci_bus *b)
 {
@@ -21,10 +21,6 @@ void x86_pci_root_bus_res_quirks(struct pci_bus *b)
 	if (!pci_root_num)
 		return;
 
-	/* for amd, if only one root bus, don't need to do anything */
-	if (pci_root_num < 2 && found_all_numa_early)
-		return;
-
 	for (i = 0; i < pci_root_num; i++) {
 		if (pci_root_info[i].bus_min == b->number)
 			break;
@@ -52,8 +48,8 @@ void x86_pci_root_bus_res_quirks(struct pci_bus *b)
 	}
 }
 
-void __devinit update_res(struct pci_root_info *info, size_t start,
-			      size_t end, unsigned long flags, int merge)
+void __devinit update_res(struct pci_root_info *info, resource_size_t start,
+			  resource_size_t end, unsigned long flags, int merge)
 {
 	int i;
 	struct resource *res;
@@ -61,25 +57,28 @@ void __devinit update_res(struct pci_root_info *info, size_t start,
 	if (start > end)
 		return;
 
+	if (start == MAX_RESOURCE)
+		return;
+
 	if (!merge)
 		goto addit;
 
 	/* try to merge it with old one */
 	for (i = 0; i < info->res_num; i++) {
-		size_t final_start, final_end;
-		size_t common_start, common_end;
+		resource_size_t final_start, final_end;
+		resource_size_t common_start, common_end;
 
 		res = &info->res[i];
 		if (res->flags != flags)
 			continue;
 
-		common_start = max((size_t)res->start, start);
-		common_end = min((size_t)res->end, end);
+		common_start = max(res->start, start);
+		common_end = min(res->end, end);
 		if (common_start > common_end + 1)
 			continue;
 
-		final_start = min((size_t)res->start, start);
-		final_end = max((size_t)res->end, end);
+		final_start = min(res->start, start);
+		final_end = max(res->end, end);
 
 		res->start = final_start;
 		res->end = final_end;
diff --git a/arch/x86/pci/bus_numa.h b/arch/x86/pci/bus_numa.h
index 731b64ee8d84..804a4b40c31a 100644
--- a/arch/x86/pci/bus_numa.h
+++ b/arch/x86/pci/bus_numa.h
@@ -1,5 +1,5 @@
-#ifdef CONFIG_X86_64
-
+#ifndef __BUS_NUMA_H
+#define __BUS_NUMA_H
 /*
  * sub bus (transparent) will use entres from 3 to store extra from
  * root, so need to make sure we have enough slot there.
@@ -19,8 +19,7 @@ struct pci_root_info {
 #define PCI_ROOT_NR 4
 extern int pci_root_num;
 extern struct pci_root_info pci_root_info[PCI_ROOT_NR];
-extern int found_all_numa_early;
 
-extern void update_res(struct pci_root_info *info, size_t start,
-			      size_t end, unsigned long flags, int merge);
+extern void update_res(struct pci_root_info *info, resource_size_t start,
+		      resource_size_t end, unsigned long flags, int merge);
 #endif
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c
index 3736176acaab..294e10cb11e1 100644
--- a/arch/x86/pci/common.c
+++ b/arch/x86/pci/common.c
@@ -72,12 +72,6 @@ struct pci_ops pci_root_ops = {
 };
 
 /*
- * legacy, numa, and acpi all want to call pcibios_scan_root
- * from their initcalls. This flag prevents that.
- */
-int pcibios_scanned;
-
-/*
  * This interrupt-safe spinlock protects all accesses to PCI
  * configuration space.
  */
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 5a8fbf8d4cac..46fd43f79103 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -127,9 +127,6 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
 					continue;
 				if (!r->start ||
 				    pci_claim_resource(dev, idx) < 0) {
-					dev_info(&dev->dev,
-						 "can't reserve window %pR\n",
-						 r);
 					/*
 					 * Something is wrong with the region.
 					 * Invalidate the resource to prevent
@@ -181,8 +178,6 @@ static void __init pcibios_allocate_resources(int pass)
 					"BAR %d: reserving %pr (d=%d, p=%d)\n",
 					idx, r, disabled, pass);
 				if (pci_claim_resource(dev, idx) < 0) {
-					dev_info(&dev->dev,
-						 "can't reserve %pR\n", r);
 					/* We'll assign a new address later */
 					r->end -= r->start;
 					r->start = 0;
@@ -255,10 +250,6 @@ void __init pcibios_resource_survey(void)
  */
 fs_initcall(pcibios_assign_resources);
 
-void __weak x86_pci_root_bus_res_quirks(struct pci_bus *b)
-{
-}
-
 /*
  *  If we set up a device for bus mastering, we need to check the latency
  *  timer as certain crappy BIOSes forget to set it properly.
diff --git a/arch/x86/pci/init.c b/arch/x86/pci/init.c
index 25a1f8efed4a..adb62aaa7ecd 100644
--- a/arch/x86/pci/init.c
+++ b/arch/x86/pci/init.c
@@ -1,6 +1,7 @@
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <asm/pci_x86.h>
+#include <asm/x86_init.h>
 
 /* arch_initcall has too random ordering, so call the initializers
    in the right sequence from here. */
@@ -15,10 +16,9 @@ static __init int pci_arch_init(void)
 	if (!(pci_probe & PCI_PROBE_NOEARLY))
 		pci_mmcfg_early_init();
 
-#ifdef CONFIG_PCI_OLPC
-	if (!pci_olpc_init())
-		return 0;	/* skip additional checks if it's an XO */
-#endif
+	if (x86_init.pci.arch_init && !x86_init.pci.arch_init())
+		return 0;
+
 #ifdef CONFIG_PCI_BIOS
 	pci_pcbios_init();
 #endif
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index b02f6d8ac922..8b107521d24e 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -53,7 +53,7 @@ struct irq_router_handler {
 	int (*probe)(struct irq_router *r, struct pci_dev *router, u16 device);
 };
 
-int (*pcibios_enable_irq)(struct pci_dev *dev) = NULL;
+int (*pcibios_enable_irq)(struct pci_dev *dev) = pirq_enable_irq;
 void (*pcibios_disable_irq)(struct pci_dev *dev) = NULL;
 
 /*
@@ -1018,7 +1018,7 @@ static int pcibios_lookup_irq(struct pci_dev *dev, int assign)
 	return 1;
 }
 
-static void __init pcibios_fixup_irqs(void)
+void __init pcibios_fixup_irqs(void)
 {
 	struct pci_dev *dev = NULL;
 	u8 pin;
@@ -1112,12 +1112,12 @@ static struct dmi_system_id __initdata pciirq_dmi_table[] = {
 	{ }
 };
 
-int __init pcibios_irq_init(void)
+void __init pcibios_irq_init(void)
 {
 	DBG(KERN_DEBUG "PCI: IRQ init\n");
 
-	if (pcibios_enable_irq || raw_pci_ops == NULL)
-		return 0;
+	if (raw_pci_ops == NULL)
+		return;
 
 	dmi_check_system(pciirq_dmi_table);
 
@@ -1144,9 +1144,7 @@ int __init pcibios_irq_init(void)
 			pirq_table = NULL;
 	}
 
-	pcibios_enable_irq = pirq_enable_irq;
-
-	pcibios_fixup_irqs();
+	x86_init.pci.fixup_irqs();
 
 	if (io_apic_assign_pci_irqs && pci_routeirq) {
 		struct pci_dev *dev = NULL;
@@ -1159,8 +1157,6 @@ int __init pcibios_irq_init(void)
 		for_each_pci_dev(dev)
 			pirq_enable_irq(dev);
 	}
-
-	return 0;
 }
 
 static void pirq_penalize_isa_irq(int irq, int active)
diff --git a/arch/x86/pci/legacy.c b/arch/x86/pci/legacy.c
index 4061bb0f267d..0db5eaf54560 100644
--- a/arch/x86/pci/legacy.c
+++ b/arch/x86/pci/legacy.c
@@ -35,16 +35,13 @@ static void __devinit pcibios_fixup_peer_bridges(void)
 	}
 }
 
-static int __init pci_legacy_init(void)
+int __init pci_legacy_init(void)
 {
 	if (!raw_pci_ops) {
 		printk("PCI: System does not support PCI\n");
 		return 0;
 	}
 
-	if (pcibios_scanned++)
-		return 0;
-
 	printk("PCI: Probing PCI hardware\n");
 	pci_root_bus = pcibios_scan_root(0);
 	if (pci_root_bus)
@@ -55,18 +52,15 @@ static int __init pci_legacy_init(void)
 
 int __init pci_subsys_init(void)
 {
-#ifdef CONFIG_X86_NUMAQ
-	pci_numaq_init();
-#endif
-#ifdef CONFIG_ACPI
-	pci_acpi_init();
-#endif
-#ifdef CONFIG_X86_VISWS
-	pci_visws_init();
-#endif
-	pci_legacy_init();
+	/*
+	 * The init function returns an non zero value when
+	 * pci_legacy_init should be invoked.
+	 */
+	if (x86_init.pci.init())
+		pci_legacy_init();
+
 	pcibios_fixup_peer_bridges();
-	pcibios_irq_init();
+	x86_init.pci.init_irq();
 	pcibios_init();
 
 	return 0;
diff --git a/arch/x86/pci/mrst.c b/arch/x86/pci/mrst.c
new file mode 100644
index 000000000000..8bf2fcb88d04
--- /dev/null
+++ b/arch/x86/pci/mrst.c
@@ -0,0 +1,262 @@
+/*
+ * Moorestown PCI support
+ *   Copyright (c) 2008 Intel Corporation
+ *     Jesse Barnes <jesse.barnes@intel.com>
+ *
+ * Moorestown has an interesting PCI implementation:
+ *   - configuration space is memory mapped (as defined by MCFG)
+ *   - Lincroft devices also have a real, type 1 configuration space
+ *   - Early Lincroft silicon has a type 1 access bug that will cause
+ *     a hang if non-existent devices are accessed
+ *   - some devices have the "fixed BAR" capability, which means
+ *     they can't be relocated or modified; check for that during
+ *     BAR sizing
+ *
+ * So, we use the MCFG space for all reads and writes, but also send
+ * Lincroft writes to type 1 space.  But only read/write if the device
+ * actually exists, otherwise return all 1s for reads and bit bucket
+ * the writes.
+ */
+
+#include <linux/sched.h>
+#include <linux/pci.h>
+#include <linux/ioport.h>
+#include <linux/init.h>
+#include <linux/dmi.h>
+
+#include <asm/acpi.h>
+#include <asm/segment.h>
+#include <asm/io.h>
+#include <asm/smp.h>
+#include <asm/pci_x86.h>
+#include <asm/hw_irq.h>
+#include <asm/io_apic.h>
+
+#define PCIE_CAP_OFFSET	0x100
+
+/* Fixed BAR fields */
+#define PCIE_VNDR_CAP_ID_FIXED_BAR 0x00	/* Fixed BAR (TBD) */
+#define PCI_FIXED_BAR_0_SIZE	0x04
+#define PCI_FIXED_BAR_1_SIZE	0x08
+#define PCI_FIXED_BAR_2_SIZE	0x0c
+#define PCI_FIXED_BAR_3_SIZE	0x10
+#define PCI_FIXED_BAR_4_SIZE	0x14
+#define PCI_FIXED_BAR_5_SIZE	0x1c
+
+/**
+ * fixed_bar_cap - return the offset of the fixed BAR cap if found
+ * @bus: PCI bus
+ * @devfn: device in question
+ *
+ * Look for the fixed BAR cap on @bus and @devfn, returning its offset
+ * if found or 0 otherwise.
+ */
+static int fixed_bar_cap(struct pci_bus *bus, unsigned int devfn)
+{
+	int pos;
+	u32 pcie_cap = 0, cap_data;
+
+	pos = PCIE_CAP_OFFSET;
+
+	if (!raw_pci_ext_ops)
+		return 0;
+
+	while (pos) {
+		if (raw_pci_ext_ops->read(pci_domain_nr(bus), bus->number,
+					  devfn, pos, 4, &pcie_cap))
+			return 0;
+
+		if (pcie_cap == 0xffffffff)
+			return 0;
+
+		if (PCI_EXT_CAP_ID(pcie_cap) == PCI_EXT_CAP_ID_VNDR) {
+			raw_pci_ext_ops->read(pci_domain_nr(bus), bus->number,
+					      devfn, pos + 4, 4, &cap_data);
+			if ((cap_data & 0xffff) == PCIE_VNDR_CAP_ID_FIXED_BAR)
+				return pos;
+		}
+
+		pos = pcie_cap >> 20;
+	}
+
+	return 0;
+}
+
+static int pci_device_update_fixed(struct pci_bus *bus, unsigned int devfn,
+				   int reg, int len, u32 val, int offset)
+{
+	u32 size;
+	unsigned int domain, busnum;
+	int bar = (reg - PCI_BASE_ADDRESS_0) >> 2;
+
+	domain = pci_domain_nr(bus);
+	busnum = bus->number;
+
+	if (val == ~0 && len == 4) {
+		unsigned long decode;
+
+		raw_pci_ext_ops->read(domain, busnum, devfn,
+			       offset + 8 + (bar * 4), 4, &size);
+
+		/* Turn the size into a decode pattern for the sizing code */
+		if (size) {
+			decode = size - 1;
+			decode |= decode >> 1;
+			decode |= decode >> 2;
+			decode |= decode >> 4;
+			decode |= decode >> 8;
+			decode |= decode >> 16;
+			decode++;
+			decode = ~(decode - 1);
+		} else {
+			decode = ~0;
+		}
+
+		/*
+		 * If val is all ones, the core code is trying to size the reg,
+		 * so update the mmconfig space with the real size.
+		 *
+		 * Note: this assumes the fixed size we got is a power of two.
+		 */
+		return raw_pci_ext_ops->write(domain, busnum, devfn, reg, 4,
+				       decode);
+	}
+
+	/* This is some other kind of BAR write, so just do it. */
+	return raw_pci_ext_ops->write(domain, busnum, devfn, reg, len, val);
+}
+
+/**
+ * type1_access_ok - check whether to use type 1
+ * @bus: bus number
+ * @devfn: device & function in question
+ *
+ * If the bus is on a Lincroft chip and it exists, or is not on a Lincroft at
+ * all, the we can go ahead with any reads & writes.  If it's on a Lincroft,
+ * but doesn't exist, avoid the access altogether to keep the chip from
+ * hanging.
+ */
+static bool type1_access_ok(unsigned int bus, unsigned int devfn, int reg)
+{
+	/* This is a workaround for A0 LNC bug where PCI status register does
+	 * not have new CAP bit set. can not be written by SW either.
+	 *
+	 * PCI header type in real LNC indicates a single function device, this
+	 * will prevent probing other devices under the same function in PCI
+	 * shim. Therefore, use the header type in shim instead.
+	 */
+	if (reg >= 0x100 || reg == PCI_STATUS || reg == PCI_HEADER_TYPE)
+		return 0;
+	if (bus == 0 && (devfn == PCI_DEVFN(2, 0) || devfn == PCI_DEVFN(0, 0)))
+		return 1;
+	return 0; /* langwell on others */
+}
+
+static int pci_read(struct pci_bus *bus, unsigned int devfn, int where,
+		    int size, u32 *value)
+{
+	if (type1_access_ok(bus->number, devfn, where))
+		return pci_direct_conf1.read(pci_domain_nr(bus), bus->number,
+					devfn, where, size, value);
+	return raw_pci_ext_ops->read(pci_domain_nr(bus), bus->number,
+			      devfn, where, size, value);
+}
+
+static int pci_write(struct pci_bus *bus, unsigned int devfn, int where,
+		     int size, u32 value)
+{
+	int offset;
+
+	/* On MRST, there is no PCI ROM BAR, this will cause a subsequent read
+	 * to ROM BAR return 0 then being ignored.
+	 */
+	if (where == PCI_ROM_ADDRESS)
+		return 0;
+
+	/*
+	 * Devices with fixed BARs need special handling:
+	 *   - BAR sizing code will save, write ~0, read size, restore
+	 *   - so writes to fixed BARs need special handling
+	 *   - other writes to fixed BAR devices should go through mmconfig
+	 */
+	offset = fixed_bar_cap(bus, devfn);
+	if (offset &&
+	    (where >= PCI_BASE_ADDRESS_0 && where <= PCI_BASE_ADDRESS_5)) {
+		return pci_device_update_fixed(bus, devfn, where, size, value,
+					       offset);
+	}
+
+	/*
+	 * On Moorestown update both real & mmconfig space
+	 * Note: early Lincroft silicon can't handle type 1 accesses to
+	 *       non-existent devices, so just eat the write in that case.
+	 */
+	if (type1_access_ok(bus->number, devfn, where))
+		return pci_direct_conf1.write(pci_domain_nr(bus), bus->number,
+					      devfn, where, size, value);
+	return raw_pci_ext_ops->write(pci_domain_nr(bus), bus->number, devfn,
+			       where, size, value);
+}
+
+static int mrst_pci_irq_enable(struct pci_dev *dev)
+{
+	u8 pin;
+	struct io_apic_irq_attr irq_attr;
+
+	pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+
+	/* MRST only have IOAPIC, the PCI irq lines are 1:1 mapped to
+	 * IOAPIC RTE entries, so we just enable RTE for the device.
+	 */
+	irq_attr.ioapic = mp_find_ioapic(dev->irq);
+	irq_attr.ioapic_pin = dev->irq;
+	irq_attr.trigger = 1; /* level */
+	irq_attr.polarity = 1; /* active low */
+	io_apic_set_pci_routing(&dev->dev, dev->irq, &irq_attr);
+
+	return 0;
+}
+
+struct pci_ops pci_mrst_ops = {
+	.read = pci_read,
+	.write = pci_write,
+};
+
+/**
+ * pci_mrst_init - installs pci_mrst_ops
+ *
+ * Moorestown has an interesting PCI implementation (see above).
+ * Called when the early platform detection installs it.
+ */
+int __init pci_mrst_init(void)
+{
+	printk(KERN_INFO "Moorestown platform detected, using MRST PCI ops\n");
+	pci_mmcfg_late_init();
+	pcibios_enable_irq = mrst_pci_irq_enable;
+	pci_root_ops = pci_mrst_ops;
+	/* Continue with standard init */
+	return 1;
+}
+
+/*
+ * Langwell devices reside at fixed offsets, don't try to move them.
+ */
+static void __devinit pci_fixed_bar_fixup(struct pci_dev *dev)
+{
+	unsigned long offset;
+	u32 size;
+	int i;
+
+	/* Fixup the BAR sizes for fixed BAR devices and make them unmoveable */
+	offset = fixed_bar_cap(dev->bus, dev->devfn);
+	if (!offset || PCI_DEVFN(2, 0) == dev->devfn ||
+	    PCI_DEVFN(2, 2) == dev->devfn)
+		return;
+
+	for (i = 0; i < PCI_ROM_RESOURCE; i++) {
+		pci_read_config_dword(dev, offset + 8 + (i * 4), &size);
+		dev->resource[i].end = dev->resource[i].start + size - 1;
+		dev->resource[i].flags |= IORESOURCE_PCI_FIXED;
+	}
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, PCI_ANY_ID, pci_fixed_bar_fixup);
diff --git a/arch/x86/pci/numaq_32.c b/arch/x86/pci/numaq_32.c
index 8884a1c1ada6..8223738ad806 100644
--- a/arch/x86/pci/numaq_32.c
+++ b/arch/x86/pci/numaq_32.c
@@ -148,14 +148,8 @@ int __init pci_numaq_init(void)
 {
 	int quad;
 
-	if (!found_numaq)
-		return 0;
-
 	raw_pci_ops = &pci_direct_conf1_mq;
 
-	if (pcibios_scanned++)
-		return 0;
-
 	pci_root_bus = pcibios_scan_root(0);
 	if (pci_root_bus)
 		pci_bus_add_devices(pci_root_bus);
diff --git a/arch/x86/pci/olpc.c b/arch/x86/pci/olpc.c
index b889d824f7c6..b34815408f58 100644
--- a/arch/x86/pci/olpc.c
+++ b/arch/x86/pci/olpc.c
@@ -304,9 +304,6 @@ static struct pci_raw_ops pci_olpc_conf = {
 
 int __init pci_olpc_init(void)
 {
-	if (!machine_is_olpc() || olpc_has_vsa())
-		return -ENODEV;
-
 	printk(KERN_INFO "PCI: Using configuration type OLPC\n");
 	raw_pci_ops = &pci_olpc_conf;
 	is_lx = is_geode_lx();
diff --git a/arch/x86/pci/visws.c b/arch/x86/pci/visws.c
index bcead7a46871..03008f72eb04 100644
--- a/arch/x86/pci/visws.c
+++ b/arch/x86/pci/visws.c
@@ -69,9 +69,6 @@ void __init pcibios_update_irq(struct pci_dev *dev, int irq)
 
 int __init pci_visws_init(void)
 {
-	if (!is_visws_box())
-		return -1;
-
 	pcibios_enable_irq = &pci_visws_enable_irq;
 	pcibios_disable_irq = &pci_visws_disable_irq;
 
@@ -90,5 +87,6 @@ int __init pci_visws_init(void)
 	pci_scan_bus_with_sysdata(pci_bus1);
 	pci_fixup_irqs(pci_common_swizzle, visws_map_irq);
 	pcibios_resource_survey();
-	return 0;
+	/* Request bus scan */
+	return 1;
 }
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 36daccb68642..b607239c1ba8 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -50,6 +50,7 @@
 #include <asm/traps.h>
 #include <asm/setup.h>
 #include <asm/desc.h>
+#include <asm/pgalloc.h>
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
 #include <asm/reboot.h>
@@ -1094,6 +1095,12 @@ asmlinkage void __init xen_start_kernel(void)
 
 	__supported_pte_mask |= _PAGE_IOMAP;
 
+	/*
+	 * Prevent page tables from being allocated in highmem, even
+	 * if CONFIG_HIGHPTE is enabled.
+	 */
+	__userpte_alloc_gfp &= ~__GFP_HIGHMEM;
+
 	/* Work out if we support NX */
 	x86_configure_nx();
 
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index bf4cd6bfe959..f9eb7de74f42 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -1427,23 +1427,6 @@ static void xen_pgd_free(struct mm_struct *mm, pgd_t *pgd)
 #endif
 }
 
-#ifdef CONFIG_HIGHPTE
-static void *xen_kmap_atomic_pte(struct page *page, enum km_type type)
-{
-	pgprot_t prot = PAGE_KERNEL;
-
-	if (PagePinned(page))
-		prot = PAGE_KERNEL_RO;
-
-	if (0 && PageHighMem(page))
-		printk("mapping highpte %lx type %d prot %s\n",
-		       page_to_pfn(page), type,
-		       (unsigned long)pgprot_val(prot) & _PAGE_RW ? "WRITE" : "READ");
-
-	return kmap_atomic_prot(page, type, prot);
-}
-#endif
-
 #ifdef CONFIG_X86_32
 static __init pte_t mask_rw_pte(pte_t *ptep, pte_t pte)
 {
@@ -1902,10 +1885,6 @@ static const struct pv_mmu_ops xen_mmu_ops __initdata = {
 	.alloc_pmd_clone = paravirt_nop,
 	.release_pmd = xen_release_pmd_init,
 
-#ifdef CONFIG_HIGHPTE
-	.kmap_atomic_pte = xen_kmap_atomic_pte,
-#endif
-
 #ifdef CONFIG_X86_64
 	.set_pte = xen_set_pte,
 #else
diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 563d20504988..deafb65ef44e 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -361,7 +361,7 @@ static void xen_cpu_die(unsigned int cpu)
 		alternatives_smp_switch(0);
 }
 
-static void __cpuinit xen_play_dead(void) /* used only with CPU_HOTPLUG */
+static void __cpuinit xen_play_dead(void) /* used only with HOTPLUG_CPU */
 {
 	play_dead_common();
 	HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL);
diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S
index 88e15deb8b82..22a2093b5862 100644
--- a/arch/x86/xen/xen-asm_32.S
+++ b/arch/x86/xen/xen-asm_32.S
@@ -90,9 +90,9 @@ ENTRY(xen_iret)
 	GET_THREAD_INFO(%eax)
 	movl TI_cpu(%eax), %eax
 	movl __per_cpu_offset(,%eax,4), %eax
-	mov per_cpu__xen_vcpu(%eax), %eax
+	mov xen_vcpu(%eax), %eax
 #else
-	movl per_cpu__xen_vcpu, %eax
+	movl xen_vcpu, %eax
 #endif
 
 	/* check IF state we're restoring */
diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h
index 66410acf18b4..4609b0f15f1f 100644
--- a/arch/xtensa/include/asm/pci.h
+++ b/arch/xtensa/include/asm/pci.h
@@ -56,14 +56,6 @@ struct pci_dev;
 
 #define PCI_DMA_BUS_IS_PHYS	(1)
 
-/* pci_unmap_{page,single} is a no-op, so */
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
-#define pci_unmap_addr(PTR, ADDR_NAME)		(0)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	do { } while (0)
-#define pci_ubnmap_len(PTR, LEN_NAME)		(0)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	do { } while (0)
-
 /* Map a range of PCI memory or I/O space for a device into user space */
 int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
                         enum pci_mmap_state mmap_state, int write_combine);
diff --git a/arch/xtensa/include/asm/ptrace.h b/arch/xtensa/include/asm/ptrace.h
index 905e1e619654..3c549f798727 100644
--- a/arch/xtensa/include/asm/ptrace.h
+++ b/arch/xtensa/include/asm/ptrace.h
@@ -113,6 +113,7 @@ struct pt_regs {
 
 #include <variant/core.h>
 
+# define arch_has_single_step()	(1)
 # define task_pt_regs(tsk) ((struct pt_regs*) \
   (task_stack_page(tsk) + KERNEL_STACK_SIZE - (XCHAL_NUM_AREGS-16)*4) - 1)
 # define user_mode(regs) (((regs)->ps & 0x00000020)!=0)
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index 80d24c485fd3..77fc9f6dc016 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -104,7 +104,7 @@
  *   excsave has been restored, and
  *   stack pointer (a1) has been set.
  *
- * Note: _user_exception might be at an odd adress. Don't use call0..call12
+ * Note: _user_exception might be at an odd address. Don't use call0..call12
  */
 
 ENTRY(user_exception)
@@ -244,7 +244,7 @@ _user_exception:
  *   excsave has been restored, and
  *   stack pointer (a1) has been set.
  *
- * Note: _kernel_exception might be at an odd adress. Don't use call0..call12
+ * Note: _kernel_exception might be at an odd address. Don't use call0..call12
  */
 
 ENTRY(kernel_exception)
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index 9486882ef0af..9d4e1ceb3f09 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -30,6 +30,17 @@
 #include <asm/elf.h>
 #include <asm/coprocessor.h>
 
+
+void user_enable_single_step(struct task_struct *child)
+{
+	child->ptrace |= PT_SINGLESTEP;
+}
+
+void user_disable_single_step(struct task_struct *child)
+{
+	child->ptrace &= ~PT_SINGLESTEP;
+}
+
 /*
  * Called by kernel/ptrace.c when detaching to disable single stepping.
  */
@@ -268,51 +279,6 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		ret = ptrace_pokeusr(child, addr, data);
 		break;
 
-	/* continue and stop at next (return from) syscall */
-
-	case PTRACE_SYSCALL:
-	case PTRACE_CONT: /* restart after signal. */
-	{
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		if (request == PTRACE_SYSCALL)
-			set_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		else
-			clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		child->exit_code = data;
-		/* Make sure the single step bit is not set. */
-		child->ptrace &= ~PT_SINGLESTEP;
-		wake_up_process(child);
-		ret = 0;
-		break;
-	}
-
-	/*
-	 * make the child exit.  Best I can do is send it a sigkill.
-	 * perhaps it should be put in the status that it wants to
-	 * exit.
-	 */
-	case PTRACE_KILL:
-		ret = 0;
-		if (child->exit_state == EXIT_ZOMBIE)	/* already dead */
-			break;
-		child->exit_code = SIGKILL;
-		child->ptrace &= ~PT_SINGLESTEP;
-		wake_up_process(child);
-		break;
-
-	case PTRACE_SINGLESTEP:
-		ret = -EIO;
-		if (!valid_signal(data))
-			break;
-		clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
-		child->ptrace |= PT_SINGLESTEP;
-		child->exit_code = data;
-		wake_up_process(child);
-		ret = 0;
-		break;
-
 	case PTRACE_GETREGS:
 		ret = ptrace_getregs(child, (void __user *) data);
 		break;
diff --git a/block/Kconfig b/block/Kconfig
index e20fbde0875c..62a5921321cd 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -78,7 +78,7 @@ config BLK_DEV_INTEGRITY
 	Protection.  If in doubt, say N.
 
 config BLK_CGROUP
-	bool
+	tristate
 	depends on CGROUPS
 	default n
 	---help---
diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched
index b71abfb0d726..fc71cf071fb2 100644
--- a/block/Kconfig.iosched
+++ b/block/Kconfig.iosched
@@ -23,6 +23,7 @@ config IOSCHED_DEADLINE
 
 config IOSCHED_CFQ
 	tristate "CFQ I/O scheduler"
+	select BLK_CGROUP if CFQ_GROUP_IOSCHED
 	default y
 	---help---
 	  The CFQ I/O scheduler tries to distribute bandwidth equally
@@ -35,7 +36,6 @@ config IOSCHED_CFQ
 config CFQ_GROUP_IOSCHED
 	bool "CFQ Group Scheduling support"
 	depends on IOSCHED_CFQ && CGROUPS
-	select BLK_CGROUP
 	default n
 	---help---
 	  Enable group IO scheduling in CFQ.
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index c85d74cae200..4b686ad08eaa 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -23,6 +23,31 @@ static LIST_HEAD(blkio_list);
 struct blkio_cgroup blkio_root_cgroup = { .weight = 2*BLKIO_WEIGHT_DEFAULT };
 EXPORT_SYMBOL_GPL(blkio_root_cgroup);
 
+static struct cgroup_subsys_state *blkiocg_create(struct cgroup_subsys *,
+						  struct cgroup *);
+static int blkiocg_can_attach(struct cgroup_subsys *, struct cgroup *,
+			      struct task_struct *, bool);
+static void blkiocg_attach(struct cgroup_subsys *, struct cgroup *,
+			   struct cgroup *, struct task_struct *, bool);
+static void blkiocg_destroy(struct cgroup_subsys *, struct cgroup *);
+static int blkiocg_populate(struct cgroup_subsys *, struct cgroup *);
+
+struct cgroup_subsys blkio_subsys = {
+	.name = "blkio",
+	.create = blkiocg_create,
+	.can_attach = blkiocg_can_attach,
+	.attach = blkiocg_attach,
+	.destroy = blkiocg_destroy,
+	.populate = blkiocg_populate,
+#ifdef CONFIG_BLK_CGROUP
+	/* note: blkio_subsys_id is otherwise defined in blk-cgroup.h */
+	.subsys_id = blkio_subsys_id,
+#endif
+	.use_id = 1,
+	.module = THIS_MODULE,
+};
+EXPORT_SYMBOL_GPL(blkio_subsys);
+
 struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup)
 {
 	return container_of(cgroup_subsys_state(cgroup, blkio_subsys_id),
@@ -253,7 +278,8 @@ remove_entry:
 done:
 	free_css_id(&blkio_subsys, &blkcg->css);
 	rcu_read_unlock();
-	kfree(blkcg);
+	if (blkcg != &blkio_root_cgroup)
+		kfree(blkcg);
 }
 
 static struct cgroup_subsys_state *
@@ -319,17 +345,6 @@ static void blkiocg_attach(struct cgroup_subsys *subsys, struct cgroup *cgroup,
 	task_unlock(tsk);
 }
 
-struct cgroup_subsys blkio_subsys = {
-	.name = "blkio",
-	.create = blkiocg_create,
-	.can_attach = blkiocg_can_attach,
-	.attach = blkiocg_attach,
-	.destroy = blkiocg_destroy,
-	.populate = blkiocg_populate,
-	.subsys_id = blkio_subsys_id,
-	.use_id = 1,
-};
-
 void blkio_policy_register(struct blkio_policy_type *blkiop)
 {
 	spin_lock(&blkio_list_lock);
@@ -345,3 +360,17 @@ void blkio_policy_unregister(struct blkio_policy_type *blkiop)
 	spin_unlock(&blkio_list_lock);
 }
 EXPORT_SYMBOL_GPL(blkio_policy_unregister);
+
+static int __init init_cgroup_blkio(void)
+{
+	return cgroup_load_subsys(&blkio_subsys);
+}
+
+static void __exit exit_cgroup_blkio(void)
+{
+	cgroup_unload_subsys(&blkio_subsys);
+}
+
+module_init(init_cgroup_blkio);
+module_exit(exit_cgroup_blkio);
+MODULE_LICENSE("GPL");
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 84bf745fa775..8ccc20464dae 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -15,7 +15,13 @@
 
 #include <linux/cgroup.h>
 
-#ifdef CONFIG_BLK_CGROUP
+#if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE)
+
+#ifndef CONFIG_BLK_CGROUP
+/* When blk-cgroup is a module, its subsys_id isn't a compile-time constant */
+extern struct cgroup_subsys blkio_subsys;
+#define blkio_subsys_id blkio_subsys.subsys_id
+#endif
 
 struct blkio_cgroup {
 	struct cgroup_subsys_state css;
@@ -91,7 +97,7 @@ static inline void blkiocg_update_blkio_group_dequeue_stats(
 			struct blkio_group *blkg, unsigned long dequeue) {}
 #endif
 
-#ifdef CONFIG_BLK_CGROUP
+#if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE)
 extern struct blkio_cgroup blkio_root_cgroup;
 extern struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup);
 extern void blkiocg_add_blkio_group(struct blkio_cgroup *blkcg,
diff --git a/block/blk-integrity.c b/block/blk-integrity.c
index 15c630813b1c..96e83c2bdb94 100644
--- a/block/blk-integrity.c
+++ b/block/blk-integrity.c
@@ -278,7 +278,7 @@ static struct attribute *integrity_attrs[] = {
 	NULL,
 };
 
-static struct sysfs_ops integrity_ops = {
+static const struct sysfs_ops integrity_ops = {
 	.show	= &integrity_attr_show,
 	.store	= &integrity_attr_store,
 };
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index e85442415db3..2ae2cb3f362f 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -450,7 +450,7 @@ static void blk_release_queue(struct kobject *kobj)
 	kmem_cache_free(blk_requestq_cachep, q);
 }
 
-static struct sysfs_ops queue_sysfs_ops = {
+static const struct sysfs_ops queue_sysfs_ops = {
 	.show	= queue_attr_show,
 	.store	= queue_attr_store,
 };
diff --git a/block/bsg.c b/block/bsg.c
index a9fd2d84b53a..46597a6bd112 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -260,7 +260,7 @@ bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr, fmode_t has_write_perm,
 		return ERR_PTR(ret);
 
 	/*
-	 * map scatter-gather elements seperately and string them to request
+	 * map scatter-gather elements separately and string them to request
 	 */
 	rq = blk_get_request(q, rw, GFP_KERNEL);
 	if (!rq)
diff --git a/block/elevator.c b/block/elevator.c
index ee3a883840f2..df75676f6671 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -892,7 +892,7 @@ elv_attr_store(struct kobject *kobj, struct attribute *attr,
 	return error;
 }
 
-static struct sysfs_ops elv_sysfs_ops = {
+static const struct sysfs_ops elv_sysfs_ops = {
 	.show	= elv_attr_show,
 	.store	= elv_attr_store,
 };
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 6a2e295ee227..403857ad06d4 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -826,8 +826,8 @@ config CRYPTO_ANSI_CPRNG
 	help
 	  This option enables the generic pseudo random number generator
 	  for cryptographic modules.  Uses the Algorithm specified in
-	  ANSI X9.31 A.2.4. Not this option must be enabled if CRYPTO_FIPS 
-	  is selected
+	  ANSI X9.31 A.2.4. Note that this option must be enabled if
+	  CRYPTO_FIPS is selected
 
 source "drivers/crypto/Kconfig"
 
diff --git a/crypto/ahash.c b/crypto/ahash.c
index 33a4ff45f842..b8c59b889c6e 100644
--- a/crypto/ahash.c
+++ b/crypto/ahash.c
@@ -78,7 +78,6 @@ int crypto_hash_walk_done(struct crypto_hash_walk *walk, int err)
 	walk->data -= walk->offset;
 
 	if (nbytes && walk->offset & alignmask && !err) {
-		walk->offset += alignmask - 1;
 		walk->offset = ALIGN(walk->offset, alignmask + 1);
 		walk->data += walk->offset;
 
diff --git a/crypto/authenc.c b/crypto/authenc.c
index 18870906ea06..2bb7348d8d55 100644
--- a/crypto/authenc.c
+++ b/crypto/authenc.c
@@ -386,11 +386,13 @@ static int crypto_authenc_encrypt(struct aead_request *req)
 {
 	struct crypto_aead *authenc = crypto_aead_reqtfm(req);
 	struct crypto_authenc_ctx *ctx = crypto_aead_ctx(authenc);
-	struct ablkcipher_request *abreq = aead_request_ctx(req);
+	struct authenc_request_ctx *areq_ctx = aead_request_ctx(req);
 	struct crypto_ablkcipher *enc = ctx->enc;
 	struct scatterlist *dst = req->dst;
 	unsigned int cryptlen = req->cryptlen;
-	u8 *iv = (u8 *)(abreq + 1) + crypto_ablkcipher_reqsize(enc);
+	struct ablkcipher_request *abreq = (void *)(areq_ctx->tail
+						    + ctx->reqoff);
+	u8 *iv = (u8 *)abreq - crypto_ablkcipher_ivsize(enc);
 	int err;
 
 	ablkcipher_request_set_tfm(abreq, enc);
@@ -454,7 +456,7 @@ static int crypto_authenc_verify(struct aead_request *req,
 	unsigned int authsize;
 
 	areq_ctx->complete = authenc_verify_ahash_done;
-	areq_ctx->complete = authenc_verify_ahash_update_done;
+	areq_ctx->update_complete = authenc_verify_ahash_update_done;
 
 	ohash = authenc_ahash_fn(req, CRYPTO_TFM_REQ_MAY_SLEEP);
 	if (IS_ERR(ohash))
@@ -546,10 +548,6 @@ static int crypto_authenc_init_tfm(struct crypto_tfm *tfm)
 	if (IS_ERR(auth))
 		return PTR_ERR(auth);
 
-	ctx->reqoff = ALIGN(2 * crypto_ahash_digestsize(auth) +
-			    crypto_ahash_alignmask(auth),
-			    crypto_ahash_alignmask(auth) + 1);
-
 	enc = crypto_spawn_skcipher(&ictx->enc);
 	err = PTR_ERR(enc);
 	if (IS_ERR(enc))
@@ -558,13 +556,18 @@ static int crypto_authenc_init_tfm(struct crypto_tfm *tfm)
 	ctx->auth = auth;
 	ctx->enc = enc;
 
-	tfm->crt_aead.reqsize = max_t(unsigned int,
-				crypto_ahash_reqsize(auth) + ctx->reqoff +
-				sizeof(struct authenc_request_ctx) +
+	ctx->reqoff = ALIGN(2 * crypto_ahash_digestsize(auth) +
+			    crypto_ahash_alignmask(auth),
+			    crypto_ahash_alignmask(auth) + 1) +
+		      crypto_ablkcipher_ivsize(enc);
+
+	tfm->crt_aead.reqsize = sizeof(struct authenc_request_ctx) +
+				ctx->reqoff +
+				max_t(unsigned int,
+				crypto_ahash_reqsize(auth) +
 				sizeof(struct ahash_request),
 				sizeof(struct skcipher_givcrypt_request) +
-				crypto_ablkcipher_reqsize(enc) +
-				crypto_ablkcipher_ivsize(enc));
+				crypto_ablkcipher_reqsize(enc));
 
 	return 0;
 
diff --git a/crypto/cryptd.c b/crypto/cryptd.c
index 704c14115323..ef71318976c7 100644
--- a/crypto/cryptd.c
+++ b/crypto/cryptd.c
@@ -31,7 +31,7 @@ struct cryptd_cpu_queue {
 };
 
 struct cryptd_queue {
-	struct cryptd_cpu_queue *cpu_queue;
+	struct cryptd_cpu_queue __percpu *cpu_queue;
 };
 
 struct cryptd_instance_ctx {
diff --git a/crypto/md5.c b/crypto/md5.c
index 9fda213a592e..30efc7dad891 100644
--- a/crypto/md5.c
+++ b/crypto/md5.c
@@ -234,6 +234,7 @@ static struct shash_alg alg = {
 	.export		=	md5_export,
 	.import		=	md5_import,
 	.descsize	=	sizeof(struct md5_state),
+	.statesize	=	sizeof(struct md5_state),
 	.base		=	{
 		.cra_name	=	"md5",
 		.cra_flags	=	CRYPTO_ALG_TYPE_SHASH,
diff --git a/drivers/Kconfig b/drivers/Kconfig
index 368ae6d3a096..a2b902f4d437 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -96,8 +96,6 @@ source "drivers/edac/Kconfig"
 
 source "drivers/rtc/Kconfig"
 
-source "drivers/clocksource/Kconfig"
-
 source "drivers/dma/Kconfig"
 
 source "drivers/dca/Kconfig"
diff --git a/drivers/Makefile b/drivers/Makefile
index 81e36596b1e9..34f1e1064dbc 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -99,6 +99,7 @@ obj-$(CONFIG_SGI_SN)		+= sn/
 obj-y				+= firmware/
 obj-$(CONFIG_CRYPTO)		+= crypto/
 obj-$(CONFIG_SUPERH)		+= sh/
+obj-$(CONFIG_ARCH_SHMOBILE)	+= sh/
 obj-$(CONFIG_GENERIC_TIME)	+= clocksource/
 obj-$(CONFIG_DMA_ENGINE)	+= dma/
 obj-$(CONFIG_DCA)		+= dca/
diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 66cc3f36a954..a8d8998dd5c5 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -32,7 +32,7 @@ acpi-$(CONFIG_ACPI_SLEEP)	+= proc.o
 #
 acpi-y				+= bus.o glue.o
 acpi-y				+= scan.o
-acpi-y				+= processor_pdc.o
+acpi-y				+= processor_core.o
 acpi-y				+= ec.o
 acpi-$(CONFIG_ACPI_DOCK)	+= dock.o
 acpi-y				+= pci_root.o pci_link.o pci_irq.o pci_bind.o
@@ -61,7 +61,7 @@ obj-$(CONFIG_ACPI_SBS)		+= sbs.o
 obj-$(CONFIG_ACPI_POWER_METER)	+= power_meter.o
 
 # processor has its own "processor." module_param namespace
-processor-y			:= processor_core.o processor_throttling.o
+processor-y			:= processor_driver.o processor_throttling.o
 processor-y			+= processor_idle.o processor_thermal.o
 processor-$(CONFIG_CPU_FREQ)	+= processor_perflib.o
 
diff --git a/drivers/acpi/acpica/exmutex.c b/drivers/acpi/acpica/exmutex.c
index cc8a10268f68..7116bc86494d 100644
--- a/drivers/acpi/acpica/exmutex.c
+++ b/drivers/acpi/acpica/exmutex.c
@@ -375,8 +375,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc,
 		return_ACPI_STATUS(AE_AML_MUTEX_NOT_ACQUIRED);
 	}
 
-	/* Must have a valid thread ID */
-
+	/* Must have a valid thread. */
 	if (!walk_state->thread) {
 		ACPI_ERROR((AE_INFO,
 			    "Cannot release Mutex [%4.4s], null thread info",
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 58d2c91ba62b..75f39f2c166d 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -54,6 +54,7 @@
 #define ACPI_BATTERY_DEVICE_NAME	"Battery"
 #define ACPI_BATTERY_NOTIFY_STATUS	0x80
 #define ACPI_BATTERY_NOTIFY_INFO	0x81
+#define ACPI_BATTERY_NOTIFY_THRESHOLD   0x82
 
 #define _COMPONENT		ACPI_BATTERY_COMPONENT
 
@@ -88,10 +89,15 @@ static const struct acpi_device_id battery_device_ids[] = {
 
 MODULE_DEVICE_TABLE(acpi, battery_device_ids);
 
-/* For buggy DSDTs that report negative 16-bit values for either charging
- * or discharging current and/or report 0 as 65536 due to bad math.
- */
-#define QUIRK_SIGNED16_CURRENT 0x0001
+enum {
+	ACPI_BATTERY_ALARM_PRESENT,
+	ACPI_BATTERY_XINFO_PRESENT,
+	/* For buggy DSDTs that report negative 16-bit values for either
+	 * charging or discharging current and/or report 0 as 65536
+	 * due to bad math.
+	 */
+	ACPI_BATTERY_QUIRK_SIGNED16_CURRENT,
+};
 
 struct acpi_battery {
 	struct mutex lock;
@@ -109,6 +115,12 @@ struct acpi_battery {
 	int design_voltage;
 	int design_capacity_warning;
 	int design_capacity_low;
+	int cycle_count;
+	int measurement_accuracy;
+	int max_sampling_time;
+	int min_sampling_time;
+	int max_averaging_interval;
+	int min_averaging_interval;
 	int capacity_granularity_1;
 	int capacity_granularity_2;
 	int alarm;
@@ -118,8 +130,7 @@ struct acpi_battery {
 	char oem_info[32];
 	int state;
 	int power_unit;
-	u8 alarm_present;
-	long quirks;
+	unsigned long flags;
 };
 
 #define to_acpi_battery(x) container_of(x, struct acpi_battery, bat);
@@ -198,6 +209,9 @@ static int acpi_battery_get_property(struct power_supply *psy,
 	case POWER_SUPPLY_PROP_TECHNOLOGY:
 		val->intval = acpi_battery_technology(battery);
 		break;
+	case POWER_SUPPLY_PROP_CYCLE_COUNT:
+		val->intval = battery->cycle_count;
+		break;
 	case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
 		val->intval = battery->design_voltage * 1000;
 		break;
@@ -239,6 +253,7 @@ static enum power_supply_property charge_battery_props[] = {
 	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_PRESENT,
 	POWER_SUPPLY_PROP_TECHNOLOGY,
+	POWER_SUPPLY_PROP_CYCLE_COUNT,
 	POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
 	POWER_SUPPLY_PROP_VOLTAGE_NOW,
 	POWER_SUPPLY_PROP_CURRENT_NOW,
@@ -254,6 +269,7 @@ static enum power_supply_property energy_battery_props[] = {
 	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_PRESENT,
 	POWER_SUPPLY_PROP_TECHNOLOGY,
+	POWER_SUPPLY_PROP_CYCLE_COUNT,
 	POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
 	POWER_SUPPLY_PROP_VOLTAGE_NOW,
 	POWER_SUPPLY_PROP_CURRENT_NOW,
@@ -305,6 +321,28 @@ static struct acpi_offsets info_offsets[] = {
 	{offsetof(struct acpi_battery, oem_info), 1},
 };
 
+static struct acpi_offsets extended_info_offsets[] = {
+	{offsetof(struct acpi_battery, power_unit), 0},
+	{offsetof(struct acpi_battery, design_capacity), 0},
+	{offsetof(struct acpi_battery, full_charge_capacity), 0},
+	{offsetof(struct acpi_battery, technology), 0},
+	{offsetof(struct acpi_battery, design_voltage), 0},
+	{offsetof(struct acpi_battery, design_capacity_warning), 0},
+	{offsetof(struct acpi_battery, design_capacity_low), 0},
+	{offsetof(struct acpi_battery, cycle_count), 0},
+	{offsetof(struct acpi_battery, measurement_accuracy), 0},
+	{offsetof(struct acpi_battery, max_sampling_time), 0},
+	{offsetof(struct acpi_battery, min_sampling_time), 0},
+	{offsetof(struct acpi_battery, max_averaging_interval), 0},
+	{offsetof(struct acpi_battery, min_averaging_interval), 0},
+	{offsetof(struct acpi_battery, capacity_granularity_1), 0},
+	{offsetof(struct acpi_battery, capacity_granularity_2), 0},
+	{offsetof(struct acpi_battery, model_number), 1},
+	{offsetof(struct acpi_battery, serial_number), 1},
+	{offsetof(struct acpi_battery, type), 1},
+	{offsetof(struct acpi_battery, oem_info), 1},
+};
+
 static int extract_package(struct acpi_battery *battery,
 			   union acpi_object *package,
 			   struct acpi_offsets *offsets, int num)
@@ -350,22 +388,29 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
 {
 	int result = -EFAULT;
 	acpi_status status = 0;
+	char *name = test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags)?
+			"_BIX" : "_BIF";
+
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 
 	if (!acpi_battery_present(battery))
 		return 0;
 	mutex_lock(&battery->lock);
-	status = acpi_evaluate_object(battery->device->handle, "_BIF",
-				      NULL, &buffer);
+	status = acpi_evaluate_object(battery->device->handle, name,
+						NULL, &buffer);
 	mutex_unlock(&battery->lock);
 
 	if (ACPI_FAILURE(status)) {
-		ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BIF"));
+		ACPI_EXCEPTION((AE_INFO, status, "Evaluating %s", name));
 		return -ENODEV;
 	}
-
-	result = extract_package(battery, buffer.pointer,
-				 info_offsets, ARRAY_SIZE(info_offsets));
+	if (test_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags))
+		result = extract_package(battery, buffer.pointer,
+				extended_info_offsets,
+				ARRAY_SIZE(extended_info_offsets));
+	else
+		result = extract_package(battery, buffer.pointer,
+				info_offsets, ARRAY_SIZE(info_offsets));
 	kfree(buffer.pointer);
 	return result;
 }
@@ -399,7 +444,7 @@ static int acpi_battery_get_state(struct acpi_battery *battery)
 	battery->update_time = jiffies;
 	kfree(buffer.pointer);
 
-	if ((battery->quirks & QUIRK_SIGNED16_CURRENT) &&
+	if (test_bit(ACPI_BATTERY_QUIRK_SIGNED16_CURRENT, &battery->flags) &&
 	    battery->rate_now != -1)
 		battery->rate_now = abs((s16)battery->rate_now);
 
@@ -412,7 +457,8 @@ static int acpi_battery_set_alarm(struct acpi_battery *battery)
 	union acpi_object arg0 = { .type = ACPI_TYPE_INTEGER };
 	struct acpi_object_list arg_list = { 1, &arg0 };
 
-	if (!acpi_battery_present(battery)|| !battery->alarm_present)
+	if (!acpi_battery_present(battery) ||
+	    !test_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags))
 		return -ENODEV;
 
 	arg0.integer.value = battery->alarm;
@@ -437,10 +483,10 @@ static int acpi_battery_init_alarm(struct acpi_battery *battery)
 	/* See if alarms are supported, and if so, set default */
 	status = acpi_get_handle(battery->device->handle, "_BTP", &handle);
 	if (ACPI_FAILURE(status)) {
-		battery->alarm_present = 0;
+		clear_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags);
 		return 0;
 	}
-	battery->alarm_present = 1;
+	set_bit(ACPI_BATTERY_ALARM_PRESENT, &battery->flags);
 	if (!battery->alarm)
 		battery->alarm = battery->design_capacity_warning;
 	return acpi_battery_set_alarm(battery);
@@ -510,9 +556,8 @@ static void sysfs_remove_battery(struct acpi_battery *battery)
 
 static void acpi_battery_quirks(struct acpi_battery *battery)
 {
-	battery->quirks = 0;
 	if (dmi_name_in_vendors("Acer") && battery->power_unit) {
-		battery->quirks |= QUIRK_SIGNED16_CURRENT;
+		set_bit(ACPI_BATTERY_QUIRK_SIGNED16_CURRENT, &battery->flags);
 	}
 }
 
@@ -590,6 +635,7 @@ static int acpi_battery_print_info(struct seq_file *seq, int result)
 	seq_printf(seq, "design capacity low:     %d %sh\n",
 		   battery->design_capacity_low,
 		   acpi_battery_units(battery));
+	seq_printf(seq, "cycle count:		  %i\n", battery->cycle_count);
 	seq_printf(seq, "capacity granularity 1:  %d %sh\n",
 		   battery->capacity_granularity_1,
 		   acpi_battery_units(battery));
@@ -841,6 +887,7 @@ static int acpi_battery_add(struct acpi_device *device)
 {
 	int result = 0;
 	struct acpi_battery *battery = NULL;
+	acpi_handle handle;
 	if (!device)
 		return -EINVAL;
 	battery = kzalloc(sizeof(struct acpi_battery), GFP_KERNEL);
@@ -851,6 +898,9 @@ static int acpi_battery_add(struct acpi_device *device)
 	strcpy(acpi_device_class(device), ACPI_BATTERY_CLASS);
 	device->driver_data = battery;
 	mutex_init(&battery->lock);
+	if (ACPI_SUCCESS(acpi_get_handle(battery->device->handle,
+			"_BIX", &handle)))
+		set_bit(ACPI_BATTERY_XINFO_PRESENT, &battery->flags);
 	acpi_battery_update(battery);
 #ifdef CONFIG_ACPI_PROCFS_POWER
 	result = acpi_battery_add_fs(device);
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index a52126e46307..b70cd3756142 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -190,16 +190,16 @@ int acpi_bus_get_power(acpi_handle handle, int *state)
 		 * Get the device's power state either directly (via _PSC) or
 		 * indirectly (via power resources).
 		 */
-		if (device->power.flags.explicit_get) {
+		if (device->power.flags.power_resources) {
+			result = acpi_power_get_inferred_state(device);
+			if (result)
+				return result;
+		} else if (device->power.flags.explicit_get) {
 			status = acpi_evaluate_integer(device->handle, "_PSC",
 						       NULL, &psc);
 			if (ACPI_FAILURE(status))
 				return -ENODEV;
 			device->power.state = (int)psc;
-		} else if (device->power.flags.power_resources) {
-			result = acpi_power_get_inferred_state(device);
-			if (result)
-				return result;
 		}
 
 		*state = device->power.state;
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index b2586f57e1f5..d9a85f1ddde6 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -605,7 +605,7 @@ register_hotplug_dock_device(acpi_handle handle, struct acpi_dock_ops *ops,
 	list_for_each_entry(dock_station, &dock_stations, sibling) {
 		/*
 		 * An ATA bay can be in a dock and itself can be ejected
-		 * seperately, so there are two 'dock stations' which need the
+		 * separately, so there are two 'dock stations' which need the
 		 * ops
 		 */
 		dd = find_dock_dependent_device(dock_station, handle);
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index d7a6bbbb834c..1ac28c6a672e 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -76,8 +76,9 @@ enum ec_command {
 enum {
 	EC_FLAGS_QUERY_PENDING,		/* Query is pending */
 	EC_FLAGS_GPE_STORM,		/* GPE storm detected */
-	EC_FLAGS_HANDLERS_INSTALLED	/* Handlers for GPE and
+	EC_FLAGS_HANDLERS_INSTALLED,	/* Handlers for GPE and
 					 * OpReg are installed */
+	EC_FLAGS_FROZEN,		/* Transactions are suspended */
 };
 
 /* If we find an EC via the ECDT, we need to keep a ptr to its context */
@@ -291,6 +292,10 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
 	if (t->rdata)
 		memset(t->rdata, 0, t->rlen);
 	mutex_lock(&ec->lock);
+	if (test_bit(EC_FLAGS_FROZEN, &ec->flags)) {
+		status = -EINVAL;
+		goto unlock;
+	}
 	if (ec->global_lock) {
 		status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
 		if (ACPI_FAILURE(status)) {
@@ -453,6 +458,32 @@ int ec_transaction(u8 command,
 
 EXPORT_SYMBOL(ec_transaction);
 
+void acpi_ec_suspend_transactions(void)
+{
+	struct acpi_ec *ec = first_ec;
+
+	if (!ec)
+		return;
+
+	mutex_lock(&ec->lock);
+	/* Prevent transactions from being carried out */
+	set_bit(EC_FLAGS_FROZEN, &ec->flags);
+	mutex_unlock(&ec->lock);
+}
+
+void acpi_ec_resume_transactions(void)
+{
+	struct acpi_ec *ec = first_ec;
+
+	if (!ec)
+		return;
+
+	mutex_lock(&ec->lock);
+	/* Allow transactions to be carried out again */
+	clear_bit(EC_FLAGS_FROZEN, &ec->flags);
+	mutex_unlock(&ec->lock);
+}
+
 static int acpi_ec_query_unlocked(struct acpi_ec *ec, u8 * data)
 {
 	int result;
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index 9c4c962e46e3..e28411367239 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -49,6 +49,8 @@ void acpi_early_processor_set_pdc(void);
 int acpi_ec_init(void);
 int acpi_ec_ecdt_probe(void);
 int acpi_boot_ec_enable(void);
+void acpi_ec_suspend_transactions(void);
+void acpi_ec_resume_transactions(void);
 
 /*--------------------------------------------------------------------------
                                   Suspend/Resume
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 7ad48dfc12db..b8725461d887 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -279,9 +279,9 @@ int __init acpi_numa_init(void)
 	/* SRAT: Static Resource Affinity Table */
 	if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) {
 		acpi_table_parse_srat(ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY,
-				      acpi_parse_x2apic_affinity, NR_CPUS);
+				     acpi_parse_x2apic_affinity, nr_cpu_ids);
 		acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY,
-				      acpi_parse_processor_affinity, NR_CPUS);
+				     acpi_parse_processor_affinity, nr_cpu_ids);
 		ret = acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY,
 					    acpi_parse_memory_affinity,
 					    NR_NODE_MEMBLKS);
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c
index d0d25e2e1ced..1ac678d2c51c 100644
--- a/drivers/acpi/proc.c
+++ b/drivers/acpi/proc.c
@@ -435,7 +435,7 @@ acpi_system_write_wakeup_device(struct file *file,
 				found_dev->wakeup.gpe_device)) {
 				printk(KERN_WARNING
 				       "ACPI: '%s' and '%s' have the same GPE, "
-				       "can't disable/enable one seperately\n",
+				       "can't disable/enable one separately\n",
 				       dev->pnp.bus_id, found_dev->pnp.bus_id);
 				dev->wakeup.state.enabled =
 				    found_dev->wakeup.state.enabled;
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 9863c98c81ba..791ac7b0f8df 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -1,381 +1,62 @@
 /*
- * acpi_processor.c - ACPI Processor Driver ($Revision: 71 $)
+ * Copyright (C) 2005 Intel Corporation
+ * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
  *
- *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
- *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
- *  Copyright (C) 2004       Dominik Brodowski <linux@brodo.de>
- *  Copyright (C) 2004  Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
- *  			- Added processor hotplug support
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or (at
- *  your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful, but
- *  WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- *  General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- *  TBD:
- *	1. Make # power states dynamic.
- *	2. Support duty_cycle values that span bit 4.
- *	3. Optimize by having scheduler determine business instead of
- *	   having us try to calculate it here.
- *	4. Need C1 timing -- must modify kernel (IRQ handler) to get this.
+ *	Alex Chiang <achiang@hp.com>
+ *	- Unified x86/ia64 implementations
+ *	Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
+ *	- Added _PDC for platforms with Intel CPUs
  */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/pci.h>
-#include <linux/pm.h>
-#include <linux/cpufreq.h>
-#include <linux/cpu.h>
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
 #include <linux/dmi.h>
-#include <linux/moduleparam.h>
-#include <linux/cpuidle.h>
 
-#include <asm/io.h>
-#include <asm/system.h>
-#include <asm/cpu.h>
-#include <asm/delay.h>
-#include <asm/uaccess.h>
-#include <asm/processor.h>
-#include <asm/smp.h>
-#include <asm/acpi.h>
-
-#include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
 #include <acpi/processor.h>
 
-#define PREFIX "ACPI: "
-
-#define ACPI_PROCESSOR_CLASS		"processor"
-#define ACPI_PROCESSOR_DEVICE_NAME	"Processor"
-#define ACPI_PROCESSOR_FILE_INFO	"info"
-#define ACPI_PROCESSOR_FILE_THROTTLING	"throttling"
-#define ACPI_PROCESSOR_FILE_LIMIT	"limit"
-#define ACPI_PROCESSOR_NOTIFY_PERFORMANCE 0x80
-#define ACPI_PROCESSOR_NOTIFY_POWER	0x81
-#define ACPI_PROCESSOR_NOTIFY_THROTTLING	0x82
-
-#define ACPI_PROCESSOR_LIMIT_USER	0
-#define ACPI_PROCESSOR_LIMIT_THERMAL	1
+#include "internal.h"
 
+#define PREFIX			"ACPI: "
 #define _COMPONENT		ACPI_PROCESSOR_COMPONENT
 ACPI_MODULE_NAME("processor_core");
 
-MODULE_AUTHOR("Paul Diefenbaugh");
-MODULE_DESCRIPTION("ACPI Processor Driver");
-MODULE_LICENSE("GPL");
-
-static int acpi_processor_add(struct acpi_device *device);
-static int acpi_processor_remove(struct acpi_device *device, int type);
-#ifdef CONFIG_ACPI_PROCFS
-static int acpi_processor_info_open_fs(struct inode *inode, struct file *file);
-#endif
-static void acpi_processor_notify(struct acpi_device *device, u32 event);
-static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu);
-static int acpi_processor_handle_eject(struct acpi_processor *pr);
-
-
-static const struct acpi_device_id processor_device_ids[] = {
-	{ACPI_PROCESSOR_OBJECT_HID, 0},
-	{"ACPI0007", 0},
-	{"", 0},
-};
-MODULE_DEVICE_TABLE(acpi, processor_device_ids);
-
-static struct acpi_driver acpi_processor_driver = {
-	.name = "processor",
-	.class = ACPI_PROCESSOR_CLASS,
-	.ids = processor_device_ids,
-	.ops = {
-		.add = acpi_processor_add,
-		.remove = acpi_processor_remove,
-		.suspend = acpi_processor_suspend,
-		.resume = acpi_processor_resume,
-		.notify = acpi_processor_notify,
-		},
-};
-
-#define INSTALL_NOTIFY_HANDLER		1
-#define UNINSTALL_NOTIFY_HANDLER	2
-#ifdef CONFIG_ACPI_PROCFS
-static const struct file_operations acpi_processor_info_fops = {
-	.owner = THIS_MODULE,
-	.open = acpi_processor_info_open_fs,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
-#endif
-
-DEFINE_PER_CPU(struct acpi_processor *, processors);
-struct acpi_processor_errata errata __read_mostly;
-
-/* --------------------------------------------------------------------------
-                                Errata Handling
-   -------------------------------------------------------------------------- */
-
-static int acpi_processor_errata_piix4(struct pci_dev *dev)
+static int set_no_mwait(const struct dmi_system_id *id)
 {
-	u8 value1 = 0;
-	u8 value2 = 0;
-
-
-	if (!dev)
-		return -EINVAL;
-
-	/*
-	 * Note that 'dev' references the PIIX4 ACPI Controller.
-	 */
-
-	switch (dev->revision) {
-	case 0:
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 A-step\n"));
-		break;
-	case 1:
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 B-step\n"));
-		break;
-	case 2:
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4E\n"));
-		break;
-	case 3:
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4M\n"));
-		break;
-	default:
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found unknown PIIX4\n"));
-		break;
-	}
-
-	switch (dev->revision) {
-
-	case 0:		/* PIIX4 A-step */
-	case 1:		/* PIIX4 B-step */
-		/*
-		 * See specification changes #13 ("Manual Throttle Duty Cycle")
-		 * and #14 ("Enabling and Disabling Manual Throttle"), plus
-		 * erratum #5 ("STPCLK# Deassertion Time") from the January
-		 * 2002 PIIX4 specification update.  Applies to only older
-		 * PIIX4 models.
-		 */
-		errata.piix4.throttle = 1;
-
-	case 2:		/* PIIX4E */
-	case 3:		/* PIIX4M */
-		/*
-		 * See erratum #18 ("C3 Power State/BMIDE and Type-F DMA
-		 * Livelock") from the January 2002 PIIX4 specification update.
-		 * Applies to all PIIX4 models.
-		 */
-
-		/*
-		 * BM-IDE
-		 * ------
-		 * Find the PIIX4 IDE Controller and get the Bus Master IDE
-		 * Status register address.  We'll use this later to read
-		 * each IDE controller's DMA status to make sure we catch all
-		 * DMA activity.
-		 */
-		dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
-				     PCI_DEVICE_ID_INTEL_82371AB,
-				     PCI_ANY_ID, PCI_ANY_ID, NULL);
-		if (dev) {
-			errata.piix4.bmisx = pci_resource_start(dev, 4);
-			pci_dev_put(dev);
-		}
-
-		/*
-		 * Type-F DMA
-		 * ----------
-		 * Find the PIIX4 ISA Controller and read the Motherboard
-		 * DMA controller's status to see if Type-F (Fast) DMA mode
-		 * is enabled (bit 7) on either channel.  Note that we'll
-		 * disable C3 support if this is enabled, as some legacy
-		 * devices won't operate well if fast DMA is disabled.
-		 */
-		dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
-				     PCI_DEVICE_ID_INTEL_82371AB_0,
-				     PCI_ANY_ID, PCI_ANY_ID, NULL);
-		if (dev) {
-			pci_read_config_byte(dev, 0x76, &value1);
-			pci_read_config_byte(dev, 0x77, &value2);
-			if ((value1 & 0x80) || (value2 & 0x80))
-				errata.piix4.fdma = 1;
-			pci_dev_put(dev);
-		}
-
-		break;
-	}
-
-	if (errata.piix4.bmisx)
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "Bus master activity detection (BM-IDE) erratum enabled\n"));
-	if (errata.piix4.fdma)
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "Type-F DMA livelock erratum (C3 disabled)\n"));
-
+	printk(KERN_NOTICE PREFIX "%s detected - "
+		"disabling mwait for CPU C-states\n", id->ident);
+	idle_nomwait = 1;
 	return 0;
 }
 
-static int acpi_processor_errata(struct acpi_processor *pr)
-{
-	int result = 0;
-	struct pci_dev *dev = NULL;
-
-
-	if (!pr)
-		return -EINVAL;
-
-	/*
-	 * PIIX4
-	 */
-	dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
-			     PCI_DEVICE_ID_INTEL_82371AB_3, PCI_ANY_ID,
-			     PCI_ANY_ID, NULL);
-	if (dev) {
-		result = acpi_processor_errata_piix4(dev);
-		pci_dev_put(dev);
-	}
-
-	return result;
-}
-
-/* --------------------------------------------------------------------------
-                              FS Interface (/proc)
-   -------------------------------------------------------------------------- */
-
-#ifdef CONFIG_ACPI_PROCFS
-static struct proc_dir_entry *acpi_processor_dir = NULL;
-
-static int acpi_processor_info_seq_show(struct seq_file *seq, void *offset)
-{
-	struct acpi_processor *pr = seq->private;
-
-
-	if (!pr)
-		goto end;
-
-	seq_printf(seq, "processor id:            %d\n"
-		   "acpi id:                 %d\n"
-		   "bus mastering control:   %s\n"
-		   "power management:        %s\n"
-		   "throttling control:      %s\n"
-		   "limit interface:         %s\n",
-		   pr->id,
-		   pr->acpi_id,
-		   pr->flags.bm_control ? "yes" : "no",
-		   pr->flags.power ? "yes" : "no",
-		   pr->flags.throttling ? "yes" : "no",
-		   pr->flags.limit ? "yes" : "no");
-
-      end:
-	return 0;
-}
-
-static int acpi_processor_info_open_fs(struct inode *inode, struct file *file)
-{
-	return single_open(file, acpi_processor_info_seq_show,
-			   PDE(inode)->data);
-}
-
-static int __cpuinit acpi_processor_add_fs(struct acpi_device *device)
-{
-	struct proc_dir_entry *entry = NULL;
-
-
-	if (!acpi_device_dir(device)) {
-		acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
-						     acpi_processor_dir);
-		if (!acpi_device_dir(device))
-			return -ENODEV;
-	}
-
-	/* 'info' [R] */
-	entry = proc_create_data(ACPI_PROCESSOR_FILE_INFO,
-				 S_IRUGO, acpi_device_dir(device),
-				 &acpi_processor_info_fops,
-				 acpi_driver_data(device));
-	if (!entry)
-		return -EIO;
-
-	/* 'throttling' [R/W] */
-	entry = proc_create_data(ACPI_PROCESSOR_FILE_THROTTLING,
-				 S_IFREG | S_IRUGO | S_IWUSR,
-				 acpi_device_dir(device),
-				 &acpi_processor_throttling_fops,
-				 acpi_driver_data(device));
-	if (!entry)
-		return -EIO;
-
-	/* 'limit' [R/W] */
-	entry = proc_create_data(ACPI_PROCESSOR_FILE_LIMIT,
-				 S_IFREG | S_IRUGO | S_IWUSR,
-				 acpi_device_dir(device),
-				 &acpi_processor_limit_fops,
-				 acpi_driver_data(device));
-	if (!entry)
-		return -EIO;
-	return 0;
-}
-static int acpi_processor_remove_fs(struct acpi_device *device)
-{
-
-	if (acpi_device_dir(device)) {
-		remove_proc_entry(ACPI_PROCESSOR_FILE_INFO,
-				  acpi_device_dir(device));
-		remove_proc_entry(ACPI_PROCESSOR_FILE_THROTTLING,
-				  acpi_device_dir(device));
-		remove_proc_entry(ACPI_PROCESSOR_FILE_LIMIT,
-				  acpi_device_dir(device));
-		remove_proc_entry(acpi_device_bid(device), acpi_processor_dir);
-		acpi_device_dir(device) = NULL;
-	}
-
-	return 0;
-}
-#else
-static inline int acpi_processor_add_fs(struct acpi_device *device)
-{
-	return 0;
-}
-static inline int acpi_processor_remove_fs(struct acpi_device *device)
-{
-	return 0;
-}
-#endif
-
-/* Use the acpiid in MADT to map cpus in case of SMP */
-
-#ifndef CONFIG_SMP
-static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id) { return -1; }
-#else
-
-static struct acpi_table_madt *madt;
+static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
+	{
+	set_no_mwait, "IFL91 board", {
+	DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
+	DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
+	DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
+	DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
+	{
+	set_no_mwait, "Extensa 5220", {
+	DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+	DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
+	DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
+	{},
+};
 
+#ifdef CONFIG_SMP
 static int map_lapic_id(struct acpi_subtable_header *entry,
 		 u32 acpi_id, int *apic_id)
 {
 	struct acpi_madt_local_apic *lapic =
 		(struct acpi_madt_local_apic *)entry;
-	if ((lapic->lapic_flags & ACPI_MADT_ENABLED) &&
-	    lapic->processor_id == acpi_id) {
-		*apic_id = lapic->id;
-		return 1;
-	}
-	return 0;
+
+	if (!(lapic->lapic_flags & ACPI_MADT_ENABLED))
+		return 0;
+
+	if (lapic->processor_id != acpi_id)
+		return 0;
+
+	*apic_id = lapic->id;
+	return 1;
 }
 
 static int map_x2apic_id(struct acpi_subtable_header *entry,
@@ -383,22 +64,16 @@ static int map_x2apic_id(struct acpi_subtable_header *entry,
 {
 	struct acpi_madt_local_x2apic *apic =
 		(struct acpi_madt_local_x2apic *)entry;
-	u32 tmp = apic->local_apic_id;
 
-	/* Only check enabled APICs*/
 	if (!(apic->lapic_flags & ACPI_MADT_ENABLED))
 		return 0;
 
-	/* Device statement declaration type */
-	if (device_declaration) {
-		if (apic->uid == acpi_id)
-			goto found;
+	if (device_declaration && (apic->uid == acpi_id)) {
+		*apic_id = apic->local_apic_id;
+		return 1;
 	}
 
 	return 0;
-found:
-	*apic_id = tmp;
-	return 1;
 }
 
 static int map_lsapic_id(struct acpi_subtable_header *entry,
@@ -406,35 +81,34 @@ static int map_lsapic_id(struct acpi_subtable_header *entry,
 {
 	struct acpi_madt_local_sapic *lsapic =
 		(struct acpi_madt_local_sapic *)entry;
-	u32 tmp = (lsapic->id << 8) | lsapic->eid;
 
-	/* Only check enabled APICs*/
 	if (!(lsapic->lapic_flags & ACPI_MADT_ENABLED))
 		return 0;
 
-	/* Device statement declaration type */
 	if (device_declaration) {
-		if (entry->length < 16)
-			printk(KERN_ERR PREFIX
-			    "Invalid LSAPIC with Device type processor (SAPIC ID %#x)\n",
-			    tmp);
-		else if (lsapic->uid == acpi_id)
-			goto found;
-	/* Processor statement declaration type */
-	} else if (lsapic->processor_id == acpi_id)
-		goto found;
+		if ((entry->length < 16) || (lsapic->uid != acpi_id))
+			return 0;
+	} else if (lsapic->processor_id != acpi_id)
+		return 0;
 
-	return 0;
-found:
-	*apic_id = tmp;
+	*apic_id = (lsapic->id << 8) | lsapic->eid;
 	return 1;
 }
 
 static int map_madt_entry(int type, u32 acpi_id)
 {
 	unsigned long madt_end, entry;
+	static struct acpi_table_madt *madt;
+	static int read_madt;
 	int apic_id = -1;
 
+	if (!read_madt) {
+		if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
+					(struct acpi_table_header **)&madt)))
+			madt = NULL;
+		read_madt++;
+	}
+
 	if (!madt)
 		return apic_id;
 
@@ -494,7 +168,7 @@ exit:
 	return apic_id;
 }
 
-static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id)
+int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
 {
 	int i;
 	int apic_id = -1;
@@ -511,630 +185,170 @@ static int get_cpu_id(acpi_handle handle, int type, u32 acpi_id)
 	}
 	return -1;
 }
+EXPORT_SYMBOL_GPL(acpi_get_cpuid);
 #endif
 
-/* --------------------------------------------------------------------------
-                                 Driver Interface
-   -------------------------------------------------------------------------- */
-
-static int acpi_processor_get_info(struct acpi_device *device)
+static bool processor_physically_present(acpi_handle handle)
 {
-	acpi_status status = 0;
+	int cpuid, type;
+	u32 acpi_id;
+	acpi_status status;
+	acpi_object_type acpi_type;
+	unsigned long long tmp;
 	union acpi_object object = { 0 };
 	struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
-	struct acpi_processor *pr;
-	int cpu_index, device_declaration = 0;
-	static int cpu0_initialized;
-
-	pr = acpi_driver_data(device);
-	if (!pr)
-		return -EINVAL;
-
-	if (num_online_cpus() > 1)
-		errata.smp = TRUE;
-
-	acpi_processor_errata(pr);
-
-	/*
-	 * Check to see if we have bus mastering arbitration control.  This
-	 * is required for proper C3 usage (to maintain cache coherency).
-	 */
-	if (acpi_gbl_FADT.pm2_control_block && acpi_gbl_FADT.pm2_control_length) {
-		pr->flags.bm_control = 1;
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "Bus mastering arbitration control present\n"));
-	} else
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "No bus mastering arbitration control\n"));
-
-	if (!strcmp(acpi_device_hid(device), ACPI_PROCESSOR_OBJECT_HID)) {
-		/* Declared with "Processor" statement; match ProcessorID */
-		status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer);
-		if (ACPI_FAILURE(status)) {
-			printk(KERN_ERR PREFIX "Evaluating processor object\n");
-			return -ENODEV;
-		}
-
-		/*
-		 * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP.
-		 *      >>> 'acpi_get_processor_id(acpi_id, &id)' in
-		 *      arch/xxx/acpi.c
-		 */
-		pr->acpi_id = object.processor.proc_id;
-	} else {
-		/*
-		 * Declared with "Device" statement; match _UID.
-		 * Note that we don't handle string _UIDs yet.
-		 */
-		unsigned long long value;
-		status = acpi_evaluate_integer(pr->handle, METHOD_NAME__UID,
-						NULL, &value);
-		if (ACPI_FAILURE(status)) {
-			printk(KERN_ERR PREFIX
-			    "Evaluating processor _UID [%#x]\n", status);
-			return -ENODEV;
-		}
-		device_declaration = 1;
-		pr->acpi_id = value;
-	}
-	cpu_index = get_cpu_id(pr->handle, device_declaration, pr->acpi_id);
-
-	/* Handle UP system running SMP kernel, with no LAPIC in MADT */
-	if (!cpu0_initialized && (cpu_index == -1) &&
-	    (num_online_cpus() == 1)) {
-		cpu_index = 0;
-	}
-
-	cpu0_initialized = 1;
-
-	pr->id = cpu_index;
-
-	/*
-	 *  Extra Processor objects may be enumerated on MP systems with
-	 *  less than the max # of CPUs. They should be ignored _iff
-	 *  they are physically not present.
-	 */
-	if (pr->id == -1) {
-		if (ACPI_FAILURE
-		    (acpi_processor_hotadd_init(pr->handle, &pr->id))) {
-			return -ENODEV;
-		}
-	}
-	/*
-	 * On some boxes several processors use the same processor bus id.
-	 * But they are located in different scope. For example:
-	 * \_SB.SCK0.CPU0
-	 * \_SB.SCK1.CPU0
-	 * Rename the processor device bus id. And the new bus id will be
-	 * generated as the following format:
-	 * CPU+CPU ID.
-	 */
-	sprintf(acpi_device_bid(device), "CPU%X", pr->id);
-	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor [%d:%d]\n", pr->id,
-			  pr->acpi_id));
-
-	if (!object.processor.pblk_address)
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n"));
-	else if (object.processor.pblk_length != 6)
-		printk(KERN_ERR PREFIX "Invalid PBLK length [%d]\n",
-			    object.processor.pblk_length);
-	else {
-		pr->throttling.address = object.processor.pblk_address;
-		pr->throttling.duty_offset = acpi_gbl_FADT.duty_offset;
-		pr->throttling.duty_width = acpi_gbl_FADT.duty_width;
-
-		pr->pblk = object.processor.pblk_address;
-
-		/*
-		 * We don't care about error returns - we just try to mark
-		 * these reserved so that nobody else is confused into thinking
-		 * that this region might be unused..
-		 *
-		 * (In particular, allocating the IO range for Cardbus)
-		 */
-		request_region(pr->throttling.address, 6, "ACPI CPU throttle");
-	}
-
-	/*
-	 * If ACPI describes a slot number for this CPU, we can use it
-	 * ensure we get the right value in the "physical id" field
-	 * of /proc/cpuinfo
-	 */
-	status = acpi_evaluate_object(pr->handle, "_SUN", NULL, &buffer);
-	if (ACPI_SUCCESS(status))
-		arch_fix_phys_package_id(pr->id, object.integer.value);
-
-	return 0;
-}
 
-static DEFINE_PER_CPU(void *, processor_device_array);
-
-static void acpi_processor_notify(struct acpi_device *device, u32 event)
-{
-	struct acpi_processor *pr = acpi_driver_data(device);
-	int saved;
-
-	if (!pr)
-		return;
-
-	switch (event) {
-	case ACPI_PROCESSOR_NOTIFY_PERFORMANCE:
-		saved = pr->performance_platform_limit;
-		acpi_processor_ppc_has_changed(pr, 1);
-		if (saved == pr->performance_platform_limit)
-			break;
-		acpi_bus_generate_proc_event(device, event,
-					pr->performance_platform_limit);
-		acpi_bus_generate_netlink_event(device->pnp.device_class,
-						  dev_name(&device->dev), event,
-						  pr->performance_platform_limit);
+	status = acpi_get_type(handle, &acpi_type);
+	if (ACPI_FAILURE(status))
+		return false;
+
+	switch (acpi_type) {
+	case ACPI_TYPE_PROCESSOR:
+		status = acpi_evaluate_object(handle, NULL, NULL, &buffer);
+		if (ACPI_FAILURE(status))
+			return false;
+		acpi_id = object.processor.proc_id;
 		break;
-	case ACPI_PROCESSOR_NOTIFY_POWER:
-		acpi_processor_cst_has_changed(pr);
-		acpi_bus_generate_proc_event(device, event, 0);
-		acpi_bus_generate_netlink_event(device->pnp.device_class,
-						  dev_name(&device->dev), event, 0);
+	case ACPI_TYPE_DEVICE:
+		status = acpi_evaluate_integer(handle, "_UID", NULL, &tmp);
+		if (ACPI_FAILURE(status))
+			return false;
+		acpi_id = tmp;
 		break;
-	case ACPI_PROCESSOR_NOTIFY_THROTTLING:
-		acpi_processor_tstate_has_changed(pr);
-		acpi_bus_generate_proc_event(device, event, 0);
-		acpi_bus_generate_netlink_event(device->pnp.device_class,
-						  dev_name(&device->dev), event, 0);
 	default:
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "Unsupported event [0x%x]\n", event));
-		break;
+		return false;
 	}
 
-	return;
-}
+	type = (acpi_type == ACPI_TYPE_DEVICE) ? 1 : 0;
+	cpuid = acpi_get_cpuid(handle, type, acpi_id);
 
-static int acpi_cpu_soft_notify(struct notifier_block *nfb,
-		unsigned long action, void *hcpu)
-{
-	unsigned int cpu = (unsigned long)hcpu;
-	struct acpi_processor *pr = per_cpu(processors, cpu);
+	if (cpuid == -1)
+		return false;
 
-	if (action == CPU_ONLINE && pr) {
-		acpi_processor_ppc_has_changed(pr, 0);
-		acpi_processor_cst_has_changed(pr);
-		acpi_processor_tstate_has_changed(pr);
-	}
-	return NOTIFY_OK;
+	return true;
 }
 
-static struct notifier_block acpi_cpu_notifier =
+static void acpi_set_pdc_bits(u32 *buf)
 {
-	    .notifier_call = acpi_cpu_soft_notify,
-};
-
-static int __cpuinit acpi_processor_add(struct acpi_device *device)
-{
-	struct acpi_processor *pr = NULL;
-	int result = 0;
-	struct sys_device *sysdev;
-
-	pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL);
-	if (!pr)
-		return -ENOMEM;
-
-	if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) {
-		kfree(pr);
-		return -ENOMEM;
-	}
-
-	pr->handle = device->handle;
-	strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME);
-	strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS);
-	device->driver_data = pr;
-
-	result = acpi_processor_get_info(device);
-	if (result) {
-		/* Processor is physically not present */
-		return 0;
-	}
-
-	BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0));
-
-	/*
-	 * Buggy BIOS check
-	 * ACPI id of processors can be reported wrongly by the BIOS.
-	 * Don't trust it blindly
-	 */
-	if (per_cpu(processor_device_array, pr->id) != NULL &&
-	    per_cpu(processor_device_array, pr->id) != device) {
-		printk(KERN_WARNING "BIOS reported wrong ACPI id "
-			"for the processor\n");
-		result = -ENODEV;
-		goto err_free_cpumask;
-	}
-	per_cpu(processor_device_array, pr->id) = device;
-
-	per_cpu(processors, pr->id) = pr;
-
-	result = acpi_processor_add_fs(device);
-	if (result)
-		goto err_free_cpumask;
-
-	sysdev = get_cpu_sysdev(pr->id);
-	if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev")) {
-		result = -EFAULT;
-		goto err_remove_fs;
-	}
-
-	/* _PDC call should be done before doing anything else (if reqd.). */
-	acpi_processor_set_pdc(pr->handle);
-
-#ifdef CONFIG_CPU_FREQ
-	acpi_processor_ppc_has_changed(pr, 0);
-#endif
-	acpi_processor_get_throttling_info(pr);
-	acpi_processor_get_limit_info(pr);
-
-
-	acpi_processor_power_init(pr, device);
-
-	pr->cdev = thermal_cooling_device_register("Processor", device,
-						&processor_cooling_ops);
-	if (IS_ERR(pr->cdev)) {
-		result = PTR_ERR(pr->cdev);
-		goto err_power_exit;
-	}
-
-	dev_dbg(&device->dev, "registered as cooling_device%d\n",
-		 pr->cdev->id);
-
-	result = sysfs_create_link(&device->dev.kobj,
-				   &pr->cdev->device.kobj,
-				   "thermal_cooling");
-	if (result) {
-		printk(KERN_ERR PREFIX "Create sysfs link\n");
-		goto err_thermal_unregister;
-	}
-	result = sysfs_create_link(&pr->cdev->device.kobj,
-				   &device->dev.kobj,
-				   "device");
-	if (result) {
-		printk(KERN_ERR PREFIX "Create sysfs link\n");
-		goto err_remove_sysfs;
-	}
+	buf[0] = ACPI_PDC_REVISION_ID;
+	buf[1] = 1;
 
-	return 0;
-
-err_remove_sysfs:
-	sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
-err_thermal_unregister:
-	thermal_cooling_device_unregister(pr->cdev);
-err_power_exit:
-	acpi_processor_power_exit(pr, device);
-err_remove_fs:
-	acpi_processor_remove_fs(device);
-err_free_cpumask:
-	free_cpumask_var(pr->throttling.shared_cpu_map);
+	/* Enable coordination with firmware's _TSD info */
+	buf[2] = ACPI_PDC_SMP_T_SWCOORD;
 
-	return result;
+	/* Twiddle arch-specific bits needed for _PDC */
+	arch_acpi_set_pdc_bits(buf);
 }
 
-static int acpi_processor_remove(struct acpi_device *device, int type)
+static struct acpi_object_list *acpi_processor_alloc_pdc(void)
 {
-	struct acpi_processor *pr = NULL;
-
-
-	if (!device || !acpi_driver_data(device))
-		return -EINVAL;
-
-	pr = acpi_driver_data(device);
-
-	if (pr->id >= nr_cpu_ids)
-		goto free;
+	struct acpi_object_list *obj_list;
+	union acpi_object *obj;
+	u32 *buf;
 
-	if (type == ACPI_BUS_REMOVAL_EJECT) {
-		if (acpi_processor_handle_eject(pr))
-			return -EINVAL;
+	/* allocate and initialize pdc. It will be used later. */
+	obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
+	if (!obj_list) {
+		printk(KERN_ERR "Memory allocation error\n");
+		return NULL;
 	}
 
-	acpi_processor_power_exit(pr, device);
-
-	sysfs_remove_link(&device->dev.kobj, "sysdev");
-
-	acpi_processor_remove_fs(device);
-
-	if (pr->cdev) {
-		sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
-		sysfs_remove_link(&pr->cdev->device.kobj, "device");
-		thermal_cooling_device_unregister(pr->cdev);
-		pr->cdev = NULL;
+	obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
+	if (!obj) {
+		printk(KERN_ERR "Memory allocation error\n");
+		kfree(obj_list);
+		return NULL;
 	}
 
-	per_cpu(processors, pr->id) = NULL;
-	per_cpu(processor_device_array, pr->id) = NULL;
-
-free:
-	free_cpumask_var(pr->throttling.shared_cpu_map);
-	kfree(pr);
-
-	return 0;
-}
-
-#ifdef CONFIG_ACPI_HOTPLUG_CPU
-/****************************************************************************
- * 	Acpi processor hotplug support 				       	    *
- ****************************************************************************/
-
-static int is_processor_present(acpi_handle handle)
-{
-	acpi_status status;
-	unsigned long long sta = 0;
-
-
-	status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
-
-	if (ACPI_SUCCESS(status) && (sta & ACPI_STA_DEVICE_PRESENT))
-		return 1;
-
-	/*
-	 * _STA is mandatory for a processor that supports hot plug
-	 */
-	if (status == AE_NOT_FOUND)
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				"Processor does not support hot plug\n"));
-	else
-		ACPI_EXCEPTION((AE_INFO, status,
-				"Processor Device is not present"));
-	return 0;
-}
-
-static
-int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device)
-{
-	acpi_handle phandle;
-	struct acpi_device *pdev;
-
-
-	if (acpi_get_parent(handle, &phandle)) {
-		return -ENODEV;
+	buf = kmalloc(12, GFP_KERNEL);
+	if (!buf) {
+		printk(KERN_ERR "Memory allocation error\n");
+		kfree(obj);
+		kfree(obj_list);
+		return NULL;
 	}
 
-	if (acpi_bus_get_device(phandle, &pdev)) {
-		return -ENODEV;
-	}
+	acpi_set_pdc_bits(buf);
 
-	if (acpi_bus_add(device, pdev, handle, ACPI_BUS_TYPE_PROCESSOR)) {
-		return -ENODEV;
-	}
+	obj->type = ACPI_TYPE_BUFFER;
+	obj->buffer.length = 12;
+	obj->buffer.pointer = (u8 *) buf;
+	obj_list->count = 1;
+	obj_list->pointer = obj;
 
-	return 0;
+	return obj_list;
 }
 
-static void __ref acpi_processor_hotplug_notify(acpi_handle handle,
-						u32 event, void *data)
+/*
+ * _PDC is required for a BIOS-OS handshake for most of the newer
+ * ACPI processor features.
+ */
+static int
+acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)
 {
-	struct acpi_processor *pr;
-	struct acpi_device *device = NULL;
-	int result;
-
+	acpi_status status = AE_OK;
 
-	switch (event) {
-	case ACPI_NOTIFY_BUS_CHECK:
-	case ACPI_NOTIFY_DEVICE_CHECK:
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-		"Processor driver received %s event\n",
-		       (event == ACPI_NOTIFY_BUS_CHECK) ?
-		       "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK"));
-
-		if (!is_processor_present(handle))
-			break;
+	if (idle_nomwait) {
+		/*
+		 * If mwait is disabled for CPU C-states, the C2C3_FFH access
+		 * mode will be disabled in the parameter of _PDC object.
+		 * Of course C1_FFH access mode will also be disabled.
+		 */
+		union acpi_object *obj;
+		u32 *buffer = NULL;
 
-		if (acpi_bus_get_device(handle, &device)) {
-			result = acpi_processor_device_add(handle, &device);
-			if (result)
-				printk(KERN_ERR PREFIX
-					    "Unable to add the device\n");
-			break;
-		}
-		break;
-	case ACPI_NOTIFY_EJECT_REQUEST:
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "received ACPI_NOTIFY_EJECT_REQUEST\n"));
+		obj = pdc_in->pointer;
+		buffer = (u32 *)(obj->buffer.pointer);
+		buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
 
-		if (acpi_bus_get_device(handle, &device)) {
-			printk(KERN_ERR PREFIX
-				    "Device don't exist, dropping EJECT\n");
-			break;
-		}
-		pr = acpi_driver_data(device);
-		if (!pr) {
-			printk(KERN_ERR PREFIX
-				    "Driver data is NULL, dropping EJECT\n");
-			return;
-		}
-		break;
-	default:
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "Unsupported event [0x%x]\n", event));
-		break;
 	}
+	status = acpi_evaluate_object(handle, "_PDC", pdc_in, NULL);
 
-	return;
-}
-
-static acpi_status
-processor_walk_namespace_cb(acpi_handle handle,
-			    u32 lvl, void *context, void **rv)
-{
-	acpi_status status;
-	int *action = context;
-	acpi_object_type type = 0;
-
-	status = acpi_get_type(handle, &type);
 	if (ACPI_FAILURE(status))
-		return (AE_OK);
-
-	if (type != ACPI_TYPE_PROCESSOR)
-		return (AE_OK);
-
-	switch (*action) {
-	case INSTALL_NOTIFY_HANDLER:
-		acpi_install_notify_handler(handle,
-					    ACPI_SYSTEM_NOTIFY,
-					    acpi_processor_hotplug_notify,
-					    NULL);
-		break;
-	case UNINSTALL_NOTIFY_HANDLER:
-		acpi_remove_notify_handler(handle,
-					   ACPI_SYSTEM_NOTIFY,
-					   acpi_processor_hotplug_notify);
-		break;
-	default:
-		break;
-	}
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+		    "Could not evaluate _PDC, using legacy perf. control.\n"));
 
-	return (AE_OK);
+	return status;
 }
 
-static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu)
+void acpi_processor_set_pdc(acpi_handle handle)
 {
+	struct acpi_object_list *obj_list;
 
-	if (!is_processor_present(handle)) {
-		return AE_ERROR;
-	}
+	if (arch_has_acpi_pdc() == false)
+		return;
 
-	if (acpi_map_lsapic(handle, p_cpu))
-		return AE_ERROR;
+	obj_list = acpi_processor_alloc_pdc();
+	if (!obj_list)
+		return;
 
-	if (arch_register_cpu(*p_cpu)) {
-		acpi_unmap_lsapic(*p_cpu);
-		return AE_ERROR;
-	}
+	acpi_processor_eval_pdc(handle, obj_list);
 
-	return AE_OK;
+	kfree(obj_list->pointer->buffer.pointer);
+	kfree(obj_list->pointer);
+	kfree(obj_list);
 }
+EXPORT_SYMBOL_GPL(acpi_processor_set_pdc);
 
-static int acpi_processor_handle_eject(struct acpi_processor *pr)
+static acpi_status
+early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
 {
-	if (cpu_online(pr->id))
-		cpu_down(pr->id);
+	if (processor_physically_present(handle) == false)
+		return AE_OK;
 
-	arch_unregister_cpu(pr->id);
-	acpi_unmap_lsapic(pr->id);
-	return (0);
-}
-#else
-static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu)
-{
-	return AE_ERROR;
-}
-static int acpi_processor_handle_eject(struct acpi_processor *pr)
-{
-	return (-EINVAL);
+	acpi_processor_set_pdc(handle);
+	return AE_OK;
 }
-#endif
 
-static
-void acpi_processor_install_hotplug_notify(void)
+void __init acpi_early_processor_set_pdc(void)
 {
-#ifdef CONFIG_ACPI_HOTPLUG_CPU
-	int action = INSTALL_NOTIFY_HANDLER;
-	acpi_walk_namespace(ACPI_TYPE_PROCESSOR,
-			    ACPI_ROOT_OBJECT,
-			    ACPI_UINT32_MAX,
-			    processor_walk_namespace_cb, NULL, &action, NULL);
-#endif
-	register_hotcpu_notifier(&acpi_cpu_notifier);
-}
+	/*
+	 * Check whether the system is DMI table. If yes, OSPM
+	 * should not use mwait for CPU-states.
+	 */
+	dmi_check_system(processor_idle_dmi_table);
 
-static
-void acpi_processor_uninstall_hotplug_notify(void)
-{
-#ifdef CONFIG_ACPI_HOTPLUG_CPU
-	int action = UNINSTALL_NOTIFY_HANDLER;
-	acpi_walk_namespace(ACPI_TYPE_PROCESSOR,
-			    ACPI_ROOT_OBJECT,
+	acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
 			    ACPI_UINT32_MAX,
-			    processor_walk_namespace_cb, NULL, &action, NULL);
-#endif
-	unregister_hotcpu_notifier(&acpi_cpu_notifier);
+			    early_init_pdc, NULL, NULL, NULL);
 }
-
-/*
- * We keep the driver loaded even when ACPI is not running.
- * This is needed for the powernow-k8 driver, that works even without
- * ACPI, but needs symbols from this driver
- */
-
-static int __init acpi_processor_init(void)
-{
-	int result = 0;
-
-	if (acpi_disabled)
-		return 0;
-
-	memset(&errata, 0, sizeof(errata));
-
-#ifdef CONFIG_SMP
-	if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
-				(struct acpi_table_header **)&madt)))
-		madt = NULL;
-#endif
-#ifdef CONFIG_ACPI_PROCFS
-	acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
-	if (!acpi_processor_dir)
-		return -ENOMEM;
-#endif
-	result = cpuidle_register_driver(&acpi_idle_driver);
-	if (result < 0)
-		goto out_proc;
-
-	result = acpi_bus_register_driver(&acpi_processor_driver);
-	if (result < 0)
-		goto out_cpuidle;
-
-	acpi_processor_install_hotplug_notify();
-
-	acpi_thermal_cpufreq_init();
-
-	acpi_processor_ppc_init();
-
-	acpi_processor_throttling_init();
-
-	return 0;
-
-out_cpuidle:
-	cpuidle_unregister_driver(&acpi_idle_driver);
-
-out_proc:
-#ifdef CONFIG_ACPI_PROCFS
-	remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
-#endif
-
-	return result;
-}
-
-static void __exit acpi_processor_exit(void)
-{
-	if (acpi_disabled)
-		return;
-
-	acpi_processor_ppc_exit();
-
-	acpi_thermal_cpufreq_exit();
-
-	acpi_processor_uninstall_hotplug_notify();
-
-	acpi_bus_unregister_driver(&acpi_processor_driver);
-
-	cpuidle_unregister_driver(&acpi_idle_driver);
-
-#ifdef CONFIG_ACPI_PROCFS
-	remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
-#endif
-
-	return;
-}
-
-module_init(acpi_processor_init);
-module_exit(acpi_processor_exit);
-
-EXPORT_SYMBOL(acpi_processor_set_thermal_limit);
-
-MODULE_ALIAS("processor");
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
new file mode 100644
index 000000000000..b5658cdce27f
--- /dev/null
+++ b/drivers/acpi/processor_driver.c
@@ -0,0 +1,978 @@
+/*
+ * acpi_processor.c - ACPI Processor Driver ($Revision: 71 $)
+ *
+ *  Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com>
+ *  Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com>
+ *  Copyright (C) 2004       Dominik Brodowski <linux@brodo.de>
+ *  Copyright (C) 2004  Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
+ *  			- Added processor hotplug support
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or (at
+ *  your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *  TBD:
+ *	1. Make # power states dynamic.
+ *	2. Support duty_cycle values that span bit 4.
+ *	3. Optimize by having scheduler determine business instead of
+ *	   having us try to calculate it here.
+ *	4. Need C1 timing -- must modify kernel (IRQ handler) to get this.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/pm.h>
+#include <linux/cpufreq.h>
+#include <linux/cpu.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
+#include <linux/dmi.h>
+#include <linux/moduleparam.h>
+#include <linux/cpuidle.h>
+
+#include <asm/io.h>
+#include <asm/system.h>
+#include <asm/cpu.h>
+#include <asm/delay.h>
+#include <asm/uaccess.h>
+#include <asm/processor.h>
+#include <asm/smp.h>
+#include <asm/acpi.h>
+
+#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
+#include <acpi/processor.h>
+
+#define PREFIX "ACPI: "
+
+#define ACPI_PROCESSOR_CLASS		"processor"
+#define ACPI_PROCESSOR_DEVICE_NAME	"Processor"
+#define ACPI_PROCESSOR_FILE_INFO	"info"
+#define ACPI_PROCESSOR_FILE_THROTTLING	"throttling"
+#define ACPI_PROCESSOR_FILE_LIMIT	"limit"
+#define ACPI_PROCESSOR_NOTIFY_PERFORMANCE 0x80
+#define ACPI_PROCESSOR_NOTIFY_POWER	0x81
+#define ACPI_PROCESSOR_NOTIFY_THROTTLING	0x82
+
+#define ACPI_PROCESSOR_LIMIT_USER	0
+#define ACPI_PROCESSOR_LIMIT_THERMAL	1
+
+#define _COMPONENT		ACPI_PROCESSOR_COMPONENT
+ACPI_MODULE_NAME("processor_driver");
+
+MODULE_AUTHOR("Paul Diefenbaugh");
+MODULE_DESCRIPTION("ACPI Processor Driver");
+MODULE_LICENSE("GPL");
+
+static int acpi_processor_add(struct acpi_device *device);
+static int acpi_processor_remove(struct acpi_device *device, int type);
+#ifdef CONFIG_ACPI_PROCFS
+static int acpi_processor_info_open_fs(struct inode *inode, struct file *file);
+#endif
+static void acpi_processor_notify(struct acpi_device *device, u32 event);
+static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu);
+static int acpi_processor_handle_eject(struct acpi_processor *pr);
+
+
+static const struct acpi_device_id processor_device_ids[] = {
+	{ACPI_PROCESSOR_OBJECT_HID, 0},
+	{"ACPI0007", 0},
+	{"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, processor_device_ids);
+
+static struct acpi_driver acpi_processor_driver = {
+	.name = "processor",
+	.class = ACPI_PROCESSOR_CLASS,
+	.ids = processor_device_ids,
+	.ops = {
+		.add = acpi_processor_add,
+		.remove = acpi_processor_remove,
+		.suspend = acpi_processor_suspend,
+		.resume = acpi_processor_resume,
+		.notify = acpi_processor_notify,
+		},
+};
+
+#define INSTALL_NOTIFY_HANDLER		1
+#define UNINSTALL_NOTIFY_HANDLER	2
+#ifdef CONFIG_ACPI_PROCFS
+static const struct file_operations acpi_processor_info_fops = {
+	.owner = THIS_MODULE,
+	.open = acpi_processor_info_open_fs,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+#endif
+
+DEFINE_PER_CPU(struct acpi_processor *, processors);
+EXPORT_PER_CPU_SYMBOL(processors);
+
+struct acpi_processor_errata errata __read_mostly;
+
+/* --------------------------------------------------------------------------
+                                Errata Handling
+   -------------------------------------------------------------------------- */
+
+static int acpi_processor_errata_piix4(struct pci_dev *dev)
+{
+	u8 value1 = 0;
+	u8 value2 = 0;
+
+
+	if (!dev)
+		return -EINVAL;
+
+	/*
+	 * Note that 'dev' references the PIIX4 ACPI Controller.
+	 */
+
+	switch (dev->revision) {
+	case 0:
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 A-step\n"));
+		break;
+	case 1:
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4 B-step\n"));
+		break;
+	case 2:
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4E\n"));
+		break;
+	case 3:
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found PIIX4M\n"));
+		break;
+	default:
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found unknown PIIX4\n"));
+		break;
+	}
+
+	switch (dev->revision) {
+
+	case 0:		/* PIIX4 A-step */
+	case 1:		/* PIIX4 B-step */
+		/*
+		 * See specification changes #13 ("Manual Throttle Duty Cycle")
+		 * and #14 ("Enabling and Disabling Manual Throttle"), plus
+		 * erratum #5 ("STPCLK# Deassertion Time") from the January
+		 * 2002 PIIX4 specification update.  Applies to only older
+		 * PIIX4 models.
+		 */
+		errata.piix4.throttle = 1;
+
+	case 2:		/* PIIX4E */
+	case 3:		/* PIIX4M */
+		/*
+		 * See erratum #18 ("C3 Power State/BMIDE and Type-F DMA
+		 * Livelock") from the January 2002 PIIX4 specification update.
+		 * Applies to all PIIX4 models.
+		 */
+
+		/*
+		 * BM-IDE
+		 * ------
+		 * Find the PIIX4 IDE Controller and get the Bus Master IDE
+		 * Status register address.  We'll use this later to read
+		 * each IDE controller's DMA status to make sure we catch all
+		 * DMA activity.
+		 */
+		dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
+				     PCI_DEVICE_ID_INTEL_82371AB,
+				     PCI_ANY_ID, PCI_ANY_ID, NULL);
+		if (dev) {
+			errata.piix4.bmisx = pci_resource_start(dev, 4);
+			pci_dev_put(dev);
+		}
+
+		/*
+		 * Type-F DMA
+		 * ----------
+		 * Find the PIIX4 ISA Controller and read the Motherboard
+		 * DMA controller's status to see if Type-F (Fast) DMA mode
+		 * is enabled (bit 7) on either channel.  Note that we'll
+		 * disable C3 support if this is enabled, as some legacy
+		 * devices won't operate well if fast DMA is disabled.
+		 */
+		dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
+				     PCI_DEVICE_ID_INTEL_82371AB_0,
+				     PCI_ANY_ID, PCI_ANY_ID, NULL);
+		if (dev) {
+			pci_read_config_byte(dev, 0x76, &value1);
+			pci_read_config_byte(dev, 0x77, &value2);
+			if ((value1 & 0x80) || (value2 & 0x80))
+				errata.piix4.fdma = 1;
+			pci_dev_put(dev);
+		}
+
+		break;
+	}
+
+	if (errata.piix4.bmisx)
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+				  "Bus master activity detection (BM-IDE) erratum enabled\n"));
+	if (errata.piix4.fdma)
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+				  "Type-F DMA livelock erratum (C3 disabled)\n"));
+
+	return 0;
+}
+
+static int acpi_processor_errata(struct acpi_processor *pr)
+{
+	int result = 0;
+	struct pci_dev *dev = NULL;
+
+
+	if (!pr)
+		return -EINVAL;
+
+	/*
+	 * PIIX4
+	 */
+	dev = pci_get_subsys(PCI_VENDOR_ID_INTEL,
+			     PCI_DEVICE_ID_INTEL_82371AB_3, PCI_ANY_ID,
+			     PCI_ANY_ID, NULL);
+	if (dev) {
+		result = acpi_processor_errata_piix4(dev);
+		pci_dev_put(dev);
+	}
+
+	return result;
+}
+
+/* --------------------------------------------------------------------------
+                              FS Interface (/proc)
+   -------------------------------------------------------------------------- */
+
+#ifdef CONFIG_ACPI_PROCFS
+static struct proc_dir_entry *acpi_processor_dir = NULL;
+
+static int acpi_processor_info_seq_show(struct seq_file *seq, void *offset)
+{
+	struct acpi_processor *pr = seq->private;
+
+
+	if (!pr)
+		goto end;
+
+	seq_printf(seq, "processor id:            %d\n"
+		   "acpi id:                 %d\n"
+		   "bus mastering control:   %s\n"
+		   "power management:        %s\n"
+		   "throttling control:      %s\n"
+		   "limit interface:         %s\n",
+		   pr->id,
+		   pr->acpi_id,
+		   pr->flags.bm_control ? "yes" : "no",
+		   pr->flags.power ? "yes" : "no",
+		   pr->flags.throttling ? "yes" : "no",
+		   pr->flags.limit ? "yes" : "no");
+
+      end:
+	return 0;
+}
+
+static int acpi_processor_info_open_fs(struct inode *inode, struct file *file)
+{
+	return single_open(file, acpi_processor_info_seq_show,
+			   PDE(inode)->data);
+}
+
+static int __cpuinit acpi_processor_add_fs(struct acpi_device *device)
+{
+	struct proc_dir_entry *entry = NULL;
+
+
+	if (!acpi_device_dir(device)) {
+		acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
+						     acpi_processor_dir);
+		if (!acpi_device_dir(device))
+			return -ENODEV;
+	}
+
+	/* 'info' [R] */
+	entry = proc_create_data(ACPI_PROCESSOR_FILE_INFO,
+				 S_IRUGO, acpi_device_dir(device),
+				 &acpi_processor_info_fops,
+				 acpi_driver_data(device));
+	if (!entry)
+		return -EIO;
+
+	/* 'throttling' [R/W] */
+	entry = proc_create_data(ACPI_PROCESSOR_FILE_THROTTLING,
+				 S_IFREG | S_IRUGO | S_IWUSR,
+				 acpi_device_dir(device),
+				 &acpi_processor_throttling_fops,
+				 acpi_driver_data(device));
+	if (!entry)
+		return -EIO;
+
+	/* 'limit' [R/W] */
+	entry = proc_create_data(ACPI_PROCESSOR_FILE_LIMIT,
+				 S_IFREG | S_IRUGO | S_IWUSR,
+				 acpi_device_dir(device),
+				 &acpi_processor_limit_fops,
+				 acpi_driver_data(device));
+	if (!entry)
+		return -EIO;
+	return 0;
+}
+static int acpi_processor_remove_fs(struct acpi_device *device)
+{
+
+	if (acpi_device_dir(device)) {
+		remove_proc_entry(ACPI_PROCESSOR_FILE_INFO,
+				  acpi_device_dir(device));
+		remove_proc_entry(ACPI_PROCESSOR_FILE_THROTTLING,
+				  acpi_device_dir(device));
+		remove_proc_entry(ACPI_PROCESSOR_FILE_LIMIT,
+				  acpi_device_dir(device));
+		remove_proc_entry(acpi_device_bid(device), acpi_processor_dir);
+		acpi_device_dir(device) = NULL;
+	}
+
+	return 0;
+}
+#else
+static inline int acpi_processor_add_fs(struct acpi_device *device)
+{
+	return 0;
+}
+static inline int acpi_processor_remove_fs(struct acpi_device *device)
+{
+	return 0;
+}
+#endif
+
+/* --------------------------------------------------------------------------
+                                 Driver Interface
+   -------------------------------------------------------------------------- */
+
+static int acpi_processor_get_info(struct acpi_device *device)
+{
+	acpi_status status = 0;
+	union acpi_object object = { 0 };
+	struct acpi_buffer buffer = { sizeof(union acpi_object), &object };
+	struct acpi_processor *pr;
+	int cpu_index, device_declaration = 0;
+	static int cpu0_initialized;
+
+	pr = acpi_driver_data(device);
+	if (!pr)
+		return -EINVAL;
+
+	if (num_online_cpus() > 1)
+		errata.smp = TRUE;
+
+	acpi_processor_errata(pr);
+
+	/*
+	 * Check to see if we have bus mastering arbitration control.  This
+	 * is required for proper C3 usage (to maintain cache coherency).
+	 */
+	if (acpi_gbl_FADT.pm2_control_block && acpi_gbl_FADT.pm2_control_length) {
+		pr->flags.bm_control = 1;
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+				  "Bus mastering arbitration control present\n"));
+	} else
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+				  "No bus mastering arbitration control\n"));
+
+	if (!strcmp(acpi_device_hid(device), ACPI_PROCESSOR_OBJECT_HID)) {
+		/* Declared with "Processor" statement; match ProcessorID */
+		status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer);
+		if (ACPI_FAILURE(status)) {
+			printk(KERN_ERR PREFIX "Evaluating processor object\n");
+			return -ENODEV;
+		}
+
+		/*
+		 * TBD: Synch processor ID (via LAPIC/LSAPIC structures) on SMP.
+		 *      >>> 'acpi_get_processor_id(acpi_id, &id)' in
+		 *      arch/xxx/acpi.c
+		 */
+		pr->acpi_id = object.processor.proc_id;
+	} else {
+		/*
+		 * Declared with "Device" statement; match _UID.
+		 * Note that we don't handle string _UIDs yet.
+		 */
+		unsigned long long value;
+		status = acpi_evaluate_integer(pr->handle, METHOD_NAME__UID,
+						NULL, &value);
+		if (ACPI_FAILURE(status)) {
+			printk(KERN_ERR PREFIX
+			    "Evaluating processor _UID [%#x]\n", status);
+			return -ENODEV;
+		}
+		device_declaration = 1;
+		pr->acpi_id = value;
+	}
+	cpu_index = acpi_get_cpuid(pr->handle, device_declaration, pr->acpi_id);
+
+	/* Handle UP system running SMP kernel, with no LAPIC in MADT */
+	if (!cpu0_initialized && (cpu_index == -1) &&
+	    (num_online_cpus() == 1)) {
+		cpu_index = 0;
+	}
+
+	cpu0_initialized = 1;
+
+	pr->id = cpu_index;
+
+	/*
+	 *  Extra Processor objects may be enumerated on MP systems with
+	 *  less than the max # of CPUs. They should be ignored _iff
+	 *  they are physically not present.
+	 */
+	if (pr->id == -1) {
+		if (ACPI_FAILURE
+		    (acpi_processor_hotadd_init(pr->handle, &pr->id))) {
+			return -ENODEV;
+		}
+	}
+	/*
+	 * On some boxes several processors use the same processor bus id.
+	 * But they are located in different scope. For example:
+	 * \_SB.SCK0.CPU0
+	 * \_SB.SCK1.CPU0
+	 * Rename the processor device bus id. And the new bus id will be
+	 * generated as the following format:
+	 * CPU+CPU ID.
+	 */
+	sprintf(acpi_device_bid(device), "CPU%X", pr->id);
+	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Processor [%d:%d]\n", pr->id,
+			  pr->acpi_id));
+
+	if (!object.processor.pblk_address)
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n"));
+	else if (object.processor.pblk_length != 6)
+		printk(KERN_ERR PREFIX "Invalid PBLK length [%d]\n",
+			    object.processor.pblk_length);
+	else {
+		pr->throttling.address = object.processor.pblk_address;
+		pr->throttling.duty_offset = acpi_gbl_FADT.duty_offset;
+		pr->throttling.duty_width = acpi_gbl_FADT.duty_width;
+
+		pr->pblk = object.processor.pblk_address;
+
+		/*
+		 * We don't care about error returns - we just try to mark
+		 * these reserved so that nobody else is confused into thinking
+		 * that this region might be unused..
+		 *
+		 * (In particular, allocating the IO range for Cardbus)
+		 */
+		request_region(pr->throttling.address, 6, "ACPI CPU throttle");
+	}
+
+	/*
+	 * If ACPI describes a slot number for this CPU, we can use it
+	 * ensure we get the right value in the "physical id" field
+	 * of /proc/cpuinfo
+	 */
+	status = acpi_evaluate_object(pr->handle, "_SUN", NULL, &buffer);
+	if (ACPI_SUCCESS(status))
+		arch_fix_phys_package_id(pr->id, object.integer.value);
+
+	return 0;
+}
+
+static DEFINE_PER_CPU(void *, processor_device_array);
+
+static void acpi_processor_notify(struct acpi_device *device, u32 event)
+{
+	struct acpi_processor *pr = acpi_driver_data(device);
+	int saved;
+
+	if (!pr)
+		return;
+
+	switch (event) {
+	case ACPI_PROCESSOR_NOTIFY_PERFORMANCE:
+		saved = pr->performance_platform_limit;
+		acpi_processor_ppc_has_changed(pr, 1);
+		if (saved == pr->performance_platform_limit)
+			break;
+		acpi_bus_generate_proc_event(device, event,
+					pr->performance_platform_limit);
+		acpi_bus_generate_netlink_event(device->pnp.device_class,
+						  dev_name(&device->dev), event,
+						  pr->performance_platform_limit);
+		break;
+	case ACPI_PROCESSOR_NOTIFY_POWER:
+		acpi_processor_cst_has_changed(pr);
+		acpi_bus_generate_proc_event(device, event, 0);
+		acpi_bus_generate_netlink_event(device->pnp.device_class,
+						  dev_name(&device->dev), event, 0);
+		break;
+	case ACPI_PROCESSOR_NOTIFY_THROTTLING:
+		acpi_processor_tstate_has_changed(pr);
+		acpi_bus_generate_proc_event(device, event, 0);
+		acpi_bus_generate_netlink_event(device->pnp.device_class,
+						  dev_name(&device->dev), event, 0);
+	default:
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+				  "Unsupported event [0x%x]\n", event));
+		break;
+	}
+
+	return;
+}
+
+static int acpi_cpu_soft_notify(struct notifier_block *nfb,
+		unsigned long action, void *hcpu)
+{
+	unsigned int cpu = (unsigned long)hcpu;
+	struct acpi_processor *pr = per_cpu(processors, cpu);
+
+	if (action == CPU_ONLINE && pr) {
+		acpi_processor_ppc_has_changed(pr, 0);
+		acpi_processor_cst_has_changed(pr);
+		acpi_processor_tstate_has_changed(pr);
+	}
+	return NOTIFY_OK;
+}
+
+static struct notifier_block acpi_cpu_notifier =
+{
+	    .notifier_call = acpi_cpu_soft_notify,
+};
+
+static int __cpuinit acpi_processor_add(struct acpi_device *device)
+{
+	struct acpi_processor *pr = NULL;
+	int result = 0;
+	struct sys_device *sysdev;
+
+	pr = kzalloc(sizeof(struct acpi_processor), GFP_KERNEL);
+	if (!pr)
+		return -ENOMEM;
+
+	if (!zalloc_cpumask_var(&pr->throttling.shared_cpu_map, GFP_KERNEL)) {
+		kfree(pr);
+		return -ENOMEM;
+	}
+
+	pr->handle = device->handle;
+	strcpy(acpi_device_name(device), ACPI_PROCESSOR_DEVICE_NAME);
+	strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS);
+	device->driver_data = pr;
+
+	result = acpi_processor_get_info(device);
+	if (result) {
+		/* Processor is physically not present */
+		return 0;
+	}
+
+	BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0));
+
+	/*
+	 * Buggy BIOS check
+	 * ACPI id of processors can be reported wrongly by the BIOS.
+	 * Don't trust it blindly
+	 */
+	if (per_cpu(processor_device_array, pr->id) != NULL &&
+	    per_cpu(processor_device_array, pr->id) != device) {
+		printk(KERN_WARNING "BIOS reported wrong ACPI id "
+			"for the processor\n");
+		result = -ENODEV;
+		goto err_free_cpumask;
+	}
+	per_cpu(processor_device_array, pr->id) = device;
+
+	per_cpu(processors, pr->id) = pr;
+
+	result = acpi_processor_add_fs(device);
+	if (result)
+		goto err_free_cpumask;
+
+	sysdev = get_cpu_sysdev(pr->id);
+	if (sysfs_create_link(&device->dev.kobj, &sysdev->kobj, "sysdev")) {
+		result = -EFAULT;
+		goto err_remove_fs;
+	}
+
+#ifdef CONFIG_CPU_FREQ
+	acpi_processor_ppc_has_changed(pr, 0);
+#endif
+	acpi_processor_get_throttling_info(pr);
+	acpi_processor_get_limit_info(pr);
+
+
+	acpi_processor_power_init(pr, device);
+
+	pr->cdev = thermal_cooling_device_register("Processor", device,
+						&processor_cooling_ops);
+	if (IS_ERR(pr->cdev)) {
+		result = PTR_ERR(pr->cdev);
+		goto err_power_exit;
+	}
+
+	dev_dbg(&device->dev, "registered as cooling_device%d\n",
+		 pr->cdev->id);
+
+	result = sysfs_create_link(&device->dev.kobj,
+				   &pr->cdev->device.kobj,
+				   "thermal_cooling");
+	if (result) {
+		printk(KERN_ERR PREFIX "Create sysfs link\n");
+		goto err_thermal_unregister;
+	}
+	result = sysfs_create_link(&pr->cdev->device.kobj,
+				   &device->dev.kobj,
+				   "device");
+	if (result) {
+		printk(KERN_ERR PREFIX "Create sysfs link\n");
+		goto err_remove_sysfs;
+	}
+
+	return 0;
+
+err_remove_sysfs:
+	sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
+err_thermal_unregister:
+	thermal_cooling_device_unregister(pr->cdev);
+err_power_exit:
+	acpi_processor_power_exit(pr, device);
+err_remove_fs:
+	acpi_processor_remove_fs(device);
+err_free_cpumask:
+	free_cpumask_var(pr->throttling.shared_cpu_map);
+
+	return result;
+}
+
+static int acpi_processor_remove(struct acpi_device *device, int type)
+{
+	struct acpi_processor *pr = NULL;
+
+
+	if (!device || !acpi_driver_data(device))
+		return -EINVAL;
+
+	pr = acpi_driver_data(device);
+
+	if (pr->id >= nr_cpu_ids)
+		goto free;
+
+	if (type == ACPI_BUS_REMOVAL_EJECT) {
+		if (acpi_processor_handle_eject(pr))
+			return -EINVAL;
+	}
+
+	acpi_processor_power_exit(pr, device);
+
+	sysfs_remove_link(&device->dev.kobj, "sysdev");
+
+	acpi_processor_remove_fs(device);
+
+	if (pr->cdev) {
+		sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
+		sysfs_remove_link(&pr->cdev->device.kobj, "device");
+		thermal_cooling_device_unregister(pr->cdev);
+		pr->cdev = NULL;
+	}
+
+	per_cpu(processors, pr->id) = NULL;
+	per_cpu(processor_device_array, pr->id) = NULL;
+
+free:
+	free_cpumask_var(pr->throttling.shared_cpu_map);
+	kfree(pr);
+
+	return 0;
+}
+
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
+/****************************************************************************
+ * 	Acpi processor hotplug support 				       	    *
+ ****************************************************************************/
+
+static int is_processor_present(acpi_handle handle)
+{
+	acpi_status status;
+	unsigned long long sta = 0;
+
+
+	status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
+
+	if (ACPI_SUCCESS(status) && (sta & ACPI_STA_DEVICE_PRESENT))
+		return 1;
+
+	/*
+	 * _STA is mandatory for a processor that supports hot plug
+	 */
+	if (status == AE_NOT_FOUND)
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+				"Processor does not support hot plug\n"));
+	else
+		ACPI_EXCEPTION((AE_INFO, status,
+				"Processor Device is not present"));
+	return 0;
+}
+
+static
+int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device)
+{
+	acpi_handle phandle;
+	struct acpi_device *pdev;
+
+
+	if (acpi_get_parent(handle, &phandle)) {
+		return -ENODEV;
+	}
+
+	if (acpi_bus_get_device(phandle, &pdev)) {
+		return -ENODEV;
+	}
+
+	if (acpi_bus_add(device, pdev, handle, ACPI_BUS_TYPE_PROCESSOR)) {
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static void __ref acpi_processor_hotplug_notify(acpi_handle handle,
+						u32 event, void *data)
+{
+	struct acpi_processor *pr;
+	struct acpi_device *device = NULL;
+	int result;
+
+
+	switch (event) {
+	case ACPI_NOTIFY_BUS_CHECK:
+	case ACPI_NOTIFY_DEVICE_CHECK:
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+		"Processor driver received %s event\n",
+		       (event == ACPI_NOTIFY_BUS_CHECK) ?
+		       "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK"));
+
+		if (!is_processor_present(handle))
+			break;
+
+		if (acpi_bus_get_device(handle, &device)) {
+			result = acpi_processor_device_add(handle, &device);
+			if (result)
+				printk(KERN_ERR PREFIX
+					    "Unable to add the device\n");
+			break;
+		}
+		break;
+	case ACPI_NOTIFY_EJECT_REQUEST:
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+				  "received ACPI_NOTIFY_EJECT_REQUEST\n"));
+
+		if (acpi_bus_get_device(handle, &device)) {
+			printk(KERN_ERR PREFIX
+				    "Device don't exist, dropping EJECT\n");
+			break;
+		}
+		pr = acpi_driver_data(device);
+		if (!pr) {
+			printk(KERN_ERR PREFIX
+				    "Driver data is NULL, dropping EJECT\n");
+			return;
+		}
+		break;
+	default:
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+				  "Unsupported event [0x%x]\n", event));
+		break;
+	}
+
+	return;
+}
+
+static acpi_status
+processor_walk_namespace_cb(acpi_handle handle,
+			    u32 lvl, void *context, void **rv)
+{
+	acpi_status status;
+	int *action = context;
+	acpi_object_type type = 0;
+
+	status = acpi_get_type(handle, &type);
+	if (ACPI_FAILURE(status))
+		return (AE_OK);
+
+	if (type != ACPI_TYPE_PROCESSOR)
+		return (AE_OK);
+
+	switch (*action) {
+	case INSTALL_NOTIFY_HANDLER:
+		acpi_install_notify_handler(handle,
+					    ACPI_SYSTEM_NOTIFY,
+					    acpi_processor_hotplug_notify,
+					    NULL);
+		break;
+	case UNINSTALL_NOTIFY_HANDLER:
+		acpi_remove_notify_handler(handle,
+					   ACPI_SYSTEM_NOTIFY,
+					   acpi_processor_hotplug_notify);
+		break;
+	default:
+		break;
+	}
+
+	return (AE_OK);
+}
+
+static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu)
+{
+
+	if (!is_processor_present(handle)) {
+		return AE_ERROR;
+	}
+
+	if (acpi_map_lsapic(handle, p_cpu))
+		return AE_ERROR;
+
+	if (arch_register_cpu(*p_cpu)) {
+		acpi_unmap_lsapic(*p_cpu);
+		return AE_ERROR;
+	}
+
+	return AE_OK;
+}
+
+static int acpi_processor_handle_eject(struct acpi_processor *pr)
+{
+	if (cpu_online(pr->id))
+		cpu_down(pr->id);
+
+	arch_unregister_cpu(pr->id);
+	acpi_unmap_lsapic(pr->id);
+	return (0);
+}
+#else
+static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu)
+{
+	return AE_ERROR;
+}
+static int acpi_processor_handle_eject(struct acpi_processor *pr)
+{
+	return (-EINVAL);
+}
+#endif
+
+static
+void acpi_processor_install_hotplug_notify(void)
+{
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
+	int action = INSTALL_NOTIFY_HANDLER;
+	acpi_walk_namespace(ACPI_TYPE_PROCESSOR,
+			    ACPI_ROOT_OBJECT,
+			    ACPI_UINT32_MAX,
+			    processor_walk_namespace_cb, NULL, &action, NULL);
+#endif
+	register_hotcpu_notifier(&acpi_cpu_notifier);
+}
+
+static
+void acpi_processor_uninstall_hotplug_notify(void)
+{
+#ifdef CONFIG_ACPI_HOTPLUG_CPU
+	int action = UNINSTALL_NOTIFY_HANDLER;
+	acpi_walk_namespace(ACPI_TYPE_PROCESSOR,
+			    ACPI_ROOT_OBJECT,
+			    ACPI_UINT32_MAX,
+			    processor_walk_namespace_cb, NULL, &action, NULL);
+#endif
+	unregister_hotcpu_notifier(&acpi_cpu_notifier);
+}
+
+/*
+ * We keep the driver loaded even when ACPI is not running.
+ * This is needed for the powernow-k8 driver, that works even without
+ * ACPI, but needs symbols from this driver
+ */
+
+static int __init acpi_processor_init(void)
+{
+	int result = 0;
+
+	if (acpi_disabled)
+		return 0;
+
+	memset(&errata, 0, sizeof(errata));
+
+#ifdef CONFIG_ACPI_PROCFS
+	acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
+	if (!acpi_processor_dir)
+		return -ENOMEM;
+#endif
+	result = cpuidle_register_driver(&acpi_idle_driver);
+	if (result < 0)
+		goto out_proc;
+
+	result = acpi_bus_register_driver(&acpi_processor_driver);
+	if (result < 0)
+		goto out_cpuidle;
+
+	acpi_processor_install_hotplug_notify();
+
+	acpi_thermal_cpufreq_init();
+
+	acpi_processor_ppc_init();
+
+	acpi_processor_throttling_init();
+
+	return 0;
+
+out_cpuidle:
+	cpuidle_unregister_driver(&acpi_idle_driver);
+
+out_proc:
+#ifdef CONFIG_ACPI_PROCFS
+	remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
+#endif
+
+	return result;
+}
+
+static void __exit acpi_processor_exit(void)
+{
+	if (acpi_disabled)
+		return;
+
+	acpi_processor_ppc_exit();
+
+	acpi_thermal_cpufreq_exit();
+
+	acpi_processor_uninstall_hotplug_notify();
+
+	acpi_bus_unregister_driver(&acpi_processor_driver);
+
+	cpuidle_unregister_driver(&acpi_idle_driver);
+
+#ifdef CONFIG_ACPI_PROCFS
+	remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir);
+#endif
+
+	return;
+}
+
+module_init(acpi_processor_init);
+module_exit(acpi_processor_exit);
+
+EXPORT_SYMBOL(acpi_processor_set_thermal_limit);
+
+MODULE_ALIAS("processor");
diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c
deleted file mode 100644
index e306ba9aa34e..000000000000
--- a/drivers/acpi/processor_pdc.c
+++ /dev/null
@@ -1,209 +0,0 @@
-/*
- * Copyright (C) 2005 Intel Corporation
- * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
- *
- *	Alex Chiang <achiang@hp.com>
- *	- Unified x86/ia64 implementations
- *	Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
- *	- Added _PDC for platforms with Intel CPUs
- */
-#include <linux/dmi.h>
-
-#include <acpi/acpi_drivers.h>
-#include <acpi/processor.h>
-
-#include "internal.h"
-
-#define PREFIX			"ACPI: "
-#define _COMPONENT		ACPI_PROCESSOR_COMPONENT
-ACPI_MODULE_NAME("processor_pdc");
-
-static int set_no_mwait(const struct dmi_system_id *id)
-{
-	printk(KERN_NOTICE PREFIX "%s detected - "
-		"disabling mwait for CPU C-states\n", id->ident);
-	idle_nomwait = 1;
-	return 0;
-}
-
-static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
-	{
-	set_no_mwait, "IFL91 board", {
-	DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
-	DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
-	DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
-	DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
-	{
-	set_no_mwait, "Extensa 5220", {
-	DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
-	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-	DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
-	DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
-	{},
-};
-
-static void acpi_set_pdc_bits(u32 *buf)
-{
-	buf[0] = ACPI_PDC_REVISION_ID;
-	buf[1] = 1;
-
-	/* Enable coordination with firmware's _TSD info */
-	buf[2] = ACPI_PDC_SMP_T_SWCOORD;
-
-	/* Twiddle arch-specific bits needed for _PDC */
-	arch_acpi_set_pdc_bits(buf);
-}
-
-static struct acpi_object_list *acpi_processor_alloc_pdc(void)
-{
-	struct acpi_object_list *obj_list;
-	union acpi_object *obj;
-	u32 *buf;
-
-	/* allocate and initialize pdc. It will be used later. */
-	obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
-	if (!obj_list) {
-		printk(KERN_ERR "Memory allocation error\n");
-		return NULL;
-	}
-
-	obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
-	if (!obj) {
-		printk(KERN_ERR "Memory allocation error\n");
-		kfree(obj_list);
-		return NULL;
-	}
-
-	buf = kmalloc(12, GFP_KERNEL);
-	if (!buf) {
-		printk(KERN_ERR "Memory allocation error\n");
-		kfree(obj);
-		kfree(obj_list);
-		return NULL;
-	}
-
-	acpi_set_pdc_bits(buf);
-
-	obj->type = ACPI_TYPE_BUFFER;
-	obj->buffer.length = 12;
-	obj->buffer.pointer = (u8 *) buf;
-	obj_list->count = 1;
-	obj_list->pointer = obj;
-
-	return obj_list;
-}
-
-/*
- * _PDC is required for a BIOS-OS handshake for most of the newer
- * ACPI processor features.
- */
-static int
-acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)
-{
-	acpi_status status = AE_OK;
-
-	if (idle_nomwait) {
-		/*
-		 * If mwait is disabled for CPU C-states, the C2C3_FFH access
-		 * mode will be disabled in the parameter of _PDC object.
-		 * Of course C1_FFH access mode will also be disabled.
-		 */
-		union acpi_object *obj;
-		u32 *buffer = NULL;
-
-		obj = pdc_in->pointer;
-		buffer = (u32 *)(obj->buffer.pointer);
-		buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
-
-	}
-	status = acpi_evaluate_object(handle, "_PDC", pdc_in, NULL);
-
-	if (ACPI_FAILURE(status))
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-		    "Could not evaluate _PDC, using legacy perf. control.\n"));
-
-	return status;
-}
-
-static int early_pdc_done;
-
-void acpi_processor_set_pdc(acpi_handle handle)
-{
-	struct acpi_object_list *obj_list;
-
-	if (arch_has_acpi_pdc() == false)
-		return;
-
-	if (early_pdc_done)
-		return;
-
-	obj_list = acpi_processor_alloc_pdc();
-	if (!obj_list)
-		return;
-
-	acpi_processor_eval_pdc(handle, obj_list);
-
-	kfree(obj_list->pointer->buffer.pointer);
-	kfree(obj_list->pointer);
-	kfree(obj_list);
-}
-EXPORT_SYMBOL_GPL(acpi_processor_set_pdc);
-
-static int early_pdc_optin;
-static int set_early_pdc_optin(const struct dmi_system_id *id)
-{
-	early_pdc_optin = 1;
-	return 0;
-}
-
-static int param_early_pdc_optin(char *s)
-{
-	early_pdc_optin = 1;
-	return 1;
-}
-__setup("acpi_early_pdc_eval", param_early_pdc_optin);
-
-static struct dmi_system_id __cpuinitdata early_pdc_optin_table[] = {
-	{
-	set_early_pdc_optin, "HP Envy", {
-	DMI_MATCH(DMI_BIOS_VENDOR, "Hewlett-Packard"),
-	DMI_MATCH(DMI_PRODUCT_NAME, "HP Envy") }, NULL},
-	{
-	set_early_pdc_optin, "HP Pavilion dv6", {
-	DMI_MATCH(DMI_BIOS_VENDOR, "Hewlett-Packard"),
-	DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv6") }, NULL},
-	{
-	set_early_pdc_optin, "HP Pavilion dv7", {
-	DMI_MATCH(DMI_BIOS_VENDOR, "Hewlett-Packard"),
-	DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv7") }, NULL},
-	{},
-};
-
-static acpi_status
-early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
-{
-	acpi_processor_set_pdc(handle);
-	return AE_OK;
-}
-
-void __init acpi_early_processor_set_pdc(void)
-{
-	/*
-	 * Check whether the system is DMI table. If yes, OSPM
-	 * should not use mwait for CPU-states.
-	 */
-	dmi_check_system(processor_idle_dmi_table);
-
-	/*
-	 * Allow systems to opt-in to early _PDC evaluation.
-	 */
-	dmi_check_system(early_pdc_optin_table);
-	if (!early_pdc_optin)
-		return;
-
-	acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
-			    ACPI_UINT32_MAX,
-			    early_init_pdc, NULL, NULL, NULL);
-
-	early_pdc_done = 1;
-}
diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index a959f6a07508..d648a9860b88 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -561,7 +561,7 @@ end:
 }
 
 int acpi_processor_preregister_performance(
-		struct acpi_processor_performance *performance)
+		struct acpi_processor_performance __percpu *performance)
 {
 	int count, count_target;
 	int retval = 0;
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 7ded7542fc9d..29c6f5766dcf 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -1133,9 +1133,6 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr)
 	int result = 0;
 	struct acpi_processor_throttling *pthrottling;
 
-	if (!pr)
-		return -EINVAL;
-
 	ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 			  "pblk_address[0x%08x] duty_offset[%d] duty_width[%d]\n",
 			  pr->throttling.address,
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index b16ddbf23a9c..89ad11138e48 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -217,6 +217,9 @@ static int acpi_sbs_battery_get_property(struct power_supply *psy,
 	case POWER_SUPPLY_PROP_TECHNOLOGY:
 		val->intval = acpi_battery_technology(battery);
 		break;
+	case POWER_SUPPLY_PROP_CYCLE_COUNT:
+		val->intval = battery->cycle_count;
+		break;
 	case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
 		val->intval = battery->design_voltage *
 			acpi_battery_vscale(battery) * 1000;
@@ -276,6 +279,7 @@ static enum power_supply_property sbs_charge_battery_props[] = {
 	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_PRESENT,
 	POWER_SUPPLY_PROP_TECHNOLOGY,
+	POWER_SUPPLY_PROP_CYCLE_COUNT,
 	POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
 	POWER_SUPPLY_PROP_VOLTAGE_NOW,
 	POWER_SUPPLY_PROP_CURRENT_NOW,
@@ -560,6 +564,7 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset)
 		   battery->design_voltage * acpi_battery_vscale(battery));
 	seq_printf(seq, "design capacity warning: unknown\n");
 	seq_printf(seq, "design capacity low:     unknown\n");
+	seq_printf(seq, "cycle count:		  %i\n", battery->cycle_count);
 	seq_printf(seq, "capacity granularity 1:  unknown\n");
 	seq_printf(seq, "capacity granularity 2:  unknown\n");
 	seq_printf(seq, "model number:            %s\n", battery->device_name);
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index fb7fc24fe727..189cbc2585fa 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -8,6 +8,7 @@
 #include <linux/acpi.h>
 #include <linux/signal.h>
 #include <linux/kthread.h>
+#include <linux/dmi.h>
 
 #include <acpi/acpi_drivers.h>
 
@@ -1032,6 +1033,41 @@ static void acpi_add_id(struct acpi_device *device, const char *dev_id)
 	list_add_tail(&id->list, &device->pnp.ids);
 }
 
+/*
+ * Old IBM workstations have a DSDT bug wherein the SMBus object
+ * lacks the SMBUS01 HID and the methods do not have the necessary "_"
+ * prefix.  Work around this.
+ */
+static int acpi_ibm_smbus_match(struct acpi_device *device)
+{
+	acpi_handle h_dummy;
+	struct acpi_buffer path = {ACPI_ALLOCATE_BUFFER, NULL};
+	int result;
+
+	if (!dmi_name_in_vendors("IBM"))
+		return -ENODEV;
+
+	/* Look for SMBS object */
+	result = acpi_get_name(device->handle, ACPI_SINGLE_NAME, &path);
+	if (result)
+		return result;
+
+	if (strcmp("SMBS", path.pointer)) {
+		result = -ENODEV;
+		goto out;
+	}
+
+	/* Does it have the necessary (but misnamed) methods? */
+	result = -ENODEV;
+	if (ACPI_SUCCESS(acpi_get_handle(device->handle, "SBI", &h_dummy)) &&
+	    ACPI_SUCCESS(acpi_get_handle(device->handle, "SBR", &h_dummy)) &&
+	    ACPI_SUCCESS(acpi_get_handle(device->handle, "SBW", &h_dummy)))
+		result = 0;
+out:
+	kfree(path.pointer);
+	return result;
+}
+
 static void acpi_device_set_id(struct acpi_device *device)
 {
 	acpi_status status;
@@ -1082,6 +1118,8 @@ static void acpi_device_set_id(struct acpi_device *device)
 			acpi_add_id(device, ACPI_BAY_HID);
 		else if (ACPI_SUCCESS(acpi_dock_match(device)))
 			acpi_add_id(device, ACPI_DOCK_HID);
+		else if (!acpi_ibm_smbus_match(device))
+			acpi_add_id(device, ACPI_SMBUS_IBM_HID);
 
 		break;
 	case ACPI_BUS_TYPE_POWER:
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 3bde594a9979..f74834a544fd 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -552,8 +552,17 @@ static void acpi_hibernation_leave(void)
 	hibernate_nvs_restore();
 }
 
-static void acpi_pm_enable_gpes(void)
+static int acpi_pm_pre_restore(void)
 {
+	acpi_disable_all_gpes();
+	acpi_os_wait_events_complete(NULL);
+	acpi_ec_suspend_transactions();
+	return 0;
+}
+
+static void acpi_pm_restore_cleanup(void)
+{
+	acpi_ec_resume_transactions();
 	acpi_enable_all_runtime_gpes();
 }
 
@@ -565,8 +574,8 @@ static struct platform_hibernation_ops acpi_hibernation_ops = {
 	.prepare = acpi_pm_prepare,
 	.enter = acpi_hibernation_enter,
 	.leave = acpi_hibernation_leave,
-	.pre_restore = acpi_pm_disable_gpes,
-	.restore_cleanup = acpi_pm_enable_gpes,
+	.pre_restore = acpi_pm_pre_restore,
+	.restore_cleanup = acpi_pm_restore_cleanup,
 };
 
 /**
@@ -618,8 +627,8 @@ static struct platform_hibernation_ops acpi_hibernation_ops_old = {
 	.prepare = acpi_pm_disable_gpes,
 	.enter = acpi_hibernation_enter,
 	.leave = acpi_hibernation_leave,
-	.pre_restore = acpi_pm_disable_gpes,
-	.restore_cleanup = acpi_pm_enable_gpes,
+	.pre_restore = acpi_pm_pre_restore,
+	.restore_cleanup = acpi_pm_restore_cleanup,
 	.recover = acpi_pm_finish,
 };
 #endif /* CONFIG_HIBERNATION */
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index a206a12da78a..743f2445e2a1 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -101,6 +101,7 @@ static void acpi_table_attr_init(struct acpi_table_attr *table_attr,
 	struct acpi_table_header *header = NULL;
 	struct acpi_table_attr *attr = NULL;
 
+	sysfs_attr_init(&table_attr->attr.attr);
 	if (table_header->signature[0] != '\0')
 		memcpy(table_attr->name, table_header->signature,
 			ACPI_NAME_SIZE);
@@ -475,6 +476,7 @@ void acpi_irq_stats_init(void)
 			goto fail;
 		strncpy(name, buffer, strlen(buffer) + 1);
 
+		sysfs_attr_init(&counter_attrs[i].attr);
 		counter_attrs[i].attr.name = name;
 		counter_attrs[i].attr.mode = 0644;
 		counter_attrs[i].show = counter_show;
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 9073ada88835..5d3893558cf7 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -368,7 +368,7 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 	int valid = 0;
 	int i;
 
-	/* Critical Shutdown (required) */
+	/* Critical Shutdown */
 	if (flag & ACPI_TRIPS_CRITICAL) {
 		status = acpi_evaluate_integer(tz->device->handle,
 				"_CRT", NULL, &tmp);
@@ -379,17 +379,19 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 		 * Below zero (Celsius) values clearly aren't right for sure..
 		 * ... so lets discard those as invalid.
 		 */
-		if (ACPI_FAILURE(status) ||
-				tz->trips.critical.temperature <= 2732) {
+		if (ACPI_FAILURE(status)) {
+			tz->trips.critical.flags.valid = 0;
+			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+					  "No critical threshold\n"));
+		} else if (tmp <= 2732) {
+			printk(KERN_WARNING FW_BUG "Invalid critical threshold "
+			       "(%llu)\n", tmp);
 			tz->trips.critical.flags.valid = 0;
-			ACPI_EXCEPTION((AE_INFO, status,
-					"No or invalid critical threshold"));
-			return -ENODEV;
 		} else {
 			tz->trips.critical.flags.valid = 1;
 			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-					"Found critical threshold [%lu]\n",
-					tz->trips.critical.temperature));
+					  "Found critical threshold [%lu]\n",
+					  tz->trips.critical.temperature));
 		}
 		if (tz->trips.critical.flags.valid == 1) {
 			if (crt == -1) {
@@ -575,7 +577,23 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 
 static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
 {
-	return acpi_thermal_trips_update(tz, ACPI_TRIPS_INIT);
+	int i, valid, ret = acpi_thermal_trips_update(tz, ACPI_TRIPS_INIT);
+
+	if (ret)
+		return ret;
+
+	valid = tz->trips.critical.flags.valid |
+		tz->trips.hot.flags.valid |
+		tz->trips.passive.flags.valid;
+
+	for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE; i++)
+		valid |= tz->trips.active[i].flags.valid;
+
+	if (!valid) {
+		printk(KERN_WARNING FW_BUG "No valid trip found\n");
+		return -ENODEV;
+	}
+	return 0;
 }
 
 static void acpi_thermal_check(void *data)
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 11882dbe2094..c9a49f4747e6 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -289,51 +289,6 @@ acpi_evaluate_integer(acpi_handle handle,
 
 EXPORT_SYMBOL(acpi_evaluate_integer);
 
-#if 0
-acpi_status
-acpi_evaluate_string(acpi_handle handle,
-		     acpi_string pathname,
-		     acpi_object_list * arguments, acpi_string * data)
-{
-	acpi_status status = AE_OK;
-	acpi_object *element = NULL;
-	acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
-
-
-	if (!data)
-		return AE_BAD_PARAMETER;
-
-	status = acpi_evaluate_object(handle, pathname, arguments, &buffer);
-	if (ACPI_FAILURE(status)) {
-		acpi_util_eval_error(handle, pathname, status);
-		return status;
-	}
-
-	element = (acpi_object *) buffer.pointer;
-
-	if ((element->type != ACPI_TYPE_STRING)
-	    || (element->type != ACPI_TYPE_BUFFER)
-	    || !element->string.length) {
-		acpi_util_eval_error(handle, pathname, AE_BAD_DATA);
-		return AE_BAD_DATA;
-	}
-
-	*data = kzalloc(element->string.length + 1, GFP_KERNEL);
-	if (!data) {
-		printk(KERN_ERR PREFIX "Memory allocation\n");
-		return -ENOMEM;
-	}
-
-	memcpy(*data, element->string.pointer, element->string.length);
-
-	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Return value [%s]\n", *data));
-
-	kfree(buffer.pointer);
-
-	return AE_OK;
-}
-#endif
-
 acpi_status
 acpi_evaluate_reference(acpi_handle handle,
 			acpi_string pathname,
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 6e9b49149fce..cbe6f3924a10 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -327,7 +327,7 @@ static int acpi_video_device_lcd_set_level(struct acpi_video_device *device,
 			int level);
 static int acpi_video_device_lcd_get_level_current(
 			struct acpi_video_device *device,
-			unsigned long long *level);
+			unsigned long long *level, int init);
 static int acpi_video_get_next_level(struct acpi_video_device *device,
 				     u32 level_current, u32 event);
 static int acpi_video_switch_brightness(struct acpi_video_device *device,
@@ -345,7 +345,7 @@ static int acpi_video_get_brightness(struct backlight_device *bd)
 	struct acpi_video_device *vd =
 		(struct acpi_video_device *)bl_get_data(bd);
 
-	if (acpi_video_device_lcd_get_level_current(vd, &cur_level))
+	if (acpi_video_device_lcd_get_level_current(vd, &cur_level, 0))
 		return -EINVAL;
 	for (i = 2; i < vd->brightness->count; i++) {
 		if (vd->brightness->levels[i] == cur_level)
@@ -414,7 +414,7 @@ static int video_get_cur_state(struct thermal_cooling_device *cooling_dev, unsig
 	unsigned long long level;
 	int offset;
 
-	if (acpi_video_device_lcd_get_level_current(video, &level))
+	if (acpi_video_device_lcd_get_level_current(video, &level, 0))
 		return -EINVAL;
 	for (offset = 2; offset < video->brightness->count; offset++)
 		if (level == video->brightness->levels[offset]) {
@@ -609,7 +609,7 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
 
 static int
 acpi_video_device_lcd_get_level_current(struct acpi_video_device *device,
-					unsigned long long *level)
+					unsigned long long *level, int init)
 {
 	acpi_status status = AE_OK;
 	int i;
@@ -633,10 +633,16 @@ acpi_video_device_lcd_get_level_current(struct acpi_video_device *device,
 					device->brightness->curr = *level;
 					return 0;
 			}
-			/* BQC returned an invalid level. Stop using it.  */
-			ACPI_WARNING((AE_INFO, "%s returned an invalid level",
-						buf));
-			device->cap._BQC = device->cap._BCQ = 0;
+			if (!init) {
+				/*
+				 * BQC returned an invalid level.
+				 * Stop using it.
+				 */
+				ACPI_WARNING((AE_INFO,
+					      "%s returned an invalid level",
+					      buf));
+				device->cap._BQC = device->cap._BCQ = 0;
+			}
 		} else {
 			/* Fixme:
 			 * should we return an error or ignore this failure?
@@ -892,7 +898,7 @@ acpi_video_init_brightness(struct acpi_video_device *device)
 	if (!device->cap._BQC)
 		goto set_level;
 
-	result = acpi_video_device_lcd_get_level_current(device, &level_old);
+	result = acpi_video_device_lcd_get_level_current(device, &level_old, 1);
 	if (result)
 		goto out_free_levels;
 
@@ -903,7 +909,7 @@ acpi_video_init_brightness(struct acpi_video_device *device)
 	if (result)
 		goto out_free_levels;
 
-	result = acpi_video_device_lcd_get_level_current(device, &level);
+	result = acpi_video_device_lcd_get_level_current(device, &level, 0);
 	if (result)
 		goto out_free_levels;
 
@@ -992,6 +998,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
 	}
 
 	if (acpi_video_backlight_support()) {
+		struct backlight_properties props;
 		int result;
 		static int count = 0;
 		char *name;
@@ -1004,12 +1011,14 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
 			return;
 
 		sprintf(name, "acpi_video%d", count++);
-		device->backlight = backlight_device_register(name,
-			NULL, device, &acpi_backlight_ops);
+		memset(&props, 0, sizeof(struct backlight_properties));
+		props.max_brightness = device->brightness->count - 3;
+		device->backlight = backlight_device_register(name, NULL, device,
+							      &acpi_backlight_ops,
+							      &props);
 		kfree(name);
 		if (IS_ERR(device->backlight))
 			return;
-		device->backlight->props.max_brightness = device->brightness->count-3;
 
 		result = sysfs_create_link(&device->backlight->dev.kobj,
 					   &device->dev->dev.kobj, "device");
@@ -1996,7 +2005,7 @@ acpi_video_switch_brightness(struct acpi_video_device *device, int event)
 		goto out;
 
 	result = acpi_video_device_lcd_get_level_current(device,
-							 &level_current);
+							 &level_current, 0);
 	if (result)
 		goto out;
 
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 6bd930b93bcc..fdc9bcbe55a2 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -641,6 +641,21 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_yesncq },	/* MCP67 */
 	{ PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_yesncq },	/* MCP67 */
 	{ PCI_VDEVICE(NVIDIA, 0x0580), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x0581), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x0582), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x0583), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x0584), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x0585), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x0586), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x0587), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x0588), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x0589), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x058a), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x058b), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x058c), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x058d), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x058e), board_ahci_yesncq },	/* Linux ID */
+	{ PCI_VDEVICE(NVIDIA, 0x058f), board_ahci_yesncq },	/* Linux ID */
 	{ PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_yesncq },	/* MCP73 */
 	{ PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_yesncq },	/* MCP73 */
 	{ PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_yesncq },	/* MCP73 */
@@ -2263,7 +2278,7 @@ static void ahci_port_intr(struct ata_port *ap)
 	struct ahci_port_priv *pp = ap->private_data;
 	struct ahci_host_priv *hpriv = ap->host->private_data;
 	int resetting = !!(ap->pflags & ATA_PFLAG_RESETTING);
-	u32 status, qc_active;
+	u32 status, qc_active = 0;
 	int rc;
 
 	status = readl(port_mmio + PORT_IRQ_STAT);
@@ -2321,11 +2336,22 @@ static void ahci_port_intr(struct ata_port *ap)
 		}
 	}
 
-	/* pp->active_link is valid iff any command is in flight */
-	if (ap->qc_active && pp->active_link->sactive)
-		qc_active = readl(port_mmio + PORT_SCR_ACT);
-	else
-		qc_active = readl(port_mmio + PORT_CMD_ISSUE);
+	/* pp->active_link is not reliable once FBS is enabled, both
+	 * PORT_SCR_ACT and PORT_CMD_ISSUE should be checked because
+	 * NCQ and non-NCQ commands may be in flight at the same time.
+	 */
+	if (pp->fbs_enabled) {
+		if (ap->qc_active) {
+			qc_active = readl(port_mmio + PORT_SCR_ACT);
+			qc_active |= readl(port_mmio + PORT_CMD_ISSUE);
+		}
+	} else {
+		/* pp->active_link is valid iff any command is in flight */
+		if (ap->qc_active && pp->active_link->sactive)
+			qc_active = readl(port_mmio + PORT_SCR_ACT);
+		else
+			qc_active = readl(port_mmio + PORT_CMD_ISSUE);
+	}
 
 	rc = ata_qc_complete_multiple(ap, qc_active);
 
@@ -3022,6 +3048,14 @@ static bool ahci_broken_suspend(struct pci_dev *pdev)
 		 * On HP dv[4-6] and HDX18 with earlier BIOSen, link
 		 * to the harddisk doesn't become online after
 		 * resuming from STR.  Warn and fail suspend.
+		 *
+		 * http://bugzilla.kernel.org/show_bug.cgi?id=12276
+		 *
+		 * Use dates instead of versions to match as HP is
+		 * apparently recycling both product and version
+		 * strings.
+		 *
+		 * http://bugzilla.kernel.org/show_bug.cgi?id=15462
 		 */
 		{
 			.ident = "dv4",
@@ -3030,7 +3064,7 @@ static bool ahci_broken_suspend(struct pci_dev *pdev)
 				DMI_MATCH(DMI_PRODUCT_NAME,
 					  "HP Pavilion dv4 Notebook PC"),
 			},
-			.driver_data = "F.30", /* cutoff BIOS version */
+			.driver_data = "20090105",	/* F.30 */
 		},
 		{
 			.ident = "dv5",
@@ -3039,7 +3073,7 @@ static bool ahci_broken_suspend(struct pci_dev *pdev)
 				DMI_MATCH(DMI_PRODUCT_NAME,
 					  "HP Pavilion dv5 Notebook PC"),
 			},
-			.driver_data = "F.16", /* cutoff BIOS version */
+			.driver_data = "20090506",	/* F.16 */
 		},
 		{
 			.ident = "dv6",
@@ -3048,7 +3082,7 @@ static bool ahci_broken_suspend(struct pci_dev *pdev)
 				DMI_MATCH(DMI_PRODUCT_NAME,
 					  "HP Pavilion dv6 Notebook PC"),
 			},
-			.driver_data = "F.21",	/* cutoff BIOS version */
+			.driver_data = "20090423",	/* F.21 */
 		},
 		{
 			.ident = "HDX18",
@@ -3057,7 +3091,7 @@ static bool ahci_broken_suspend(struct pci_dev *pdev)
 				DMI_MATCH(DMI_PRODUCT_NAME,
 					  "HP HDX18 Notebook PC"),
 			},
-			.driver_data = "F.23",	/* cutoff BIOS version */
+			.driver_data = "20090430",	/* F.23 */
 		},
 		/*
 		 * Acer eMachines G725 has the same problem.  BIOS
@@ -3065,6 +3099,8 @@ static bool ahci_broken_suspend(struct pci_dev *pdev)
 		 * work.  Inbetween, there are V1.06, V2.06 and V3.03
 		 * that we don't have much idea about.  For now,
 		 * blacklist anything older than V3.04.
+		 *
+		 * http://bugzilla.kernel.org/show_bug.cgi?id=15104
 		 */
 		{
 			.ident = "G725",
@@ -3072,19 +3108,21 @@ static bool ahci_broken_suspend(struct pci_dev *pdev)
 				DMI_MATCH(DMI_SYS_VENDOR, "eMachines"),
 				DMI_MATCH(DMI_PRODUCT_NAME, "eMachines G725"),
 			},
-			.driver_data = "V3.04",	/* cutoff BIOS version */
+			.driver_data = "20091216",	/* V3.04 */
 		},
 		{ }	/* terminate list */
 	};
 	const struct dmi_system_id *dmi = dmi_first_match(sysids);
-	const char *ver;
+	int year, month, date;
+	char buf[9];
 
 	if (!dmi || pdev->bus->number || pdev->devfn != PCI_DEVFN(0x1f, 2))
 		return false;
 
-	ver = dmi_get_system_info(DMI_BIOS_VERSION);
+	dmi_get_date(DMI_BIOS_DATE, &year, &month, &date);
+	snprintf(buf, sizeof(buf), "%04d%02d%02d", year, month, date);
 
-	return !ver || strcmp(ver, dmi->driver_data) < 0;
+	return strcmp(buf, dmi->driver_data) < 0;
 }
 
 static bool ahci_broken_online(struct pci_dev *pdev)
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 9c77b0d1a9d0..4a28420efff2 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -2232,7 +2232,7 @@ retry:
 		 * Some drives were very specific about that exact sequence.
 		 *
 		 * Note that ATA4 says lba is mandatory so the second check
-		 * shoud never trigger.
+		 * should never trigger.
 		 */
 		if (ata_id_major_version(id) < 4 || !ata_id_has_lba(id)) {
 			err_mask = ata_dev_init_params(dev, id[3], id[6]);
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 02441fd57e9e..277477251a86 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1667,6 +1667,7 @@ unsigned int ata_sff_host_intr(struct ata_port *ap,
 {
 	struct ata_eh_info *ehi = &ap->link.eh_info;
 	u8 status, host_stat = 0;
+	bool bmdma_stopped = false;
 
 	VPRINTK("ata%u: protocol %d task_state %d\n",
 		ap->print_id, qc->tf.protocol, ap->hsm_task_state);
@@ -1699,6 +1700,7 @@ unsigned int ata_sff_host_intr(struct ata_port *ap,
 
 			/* before we do anything else, clear DMA-Start bit */
 			ap->ops->bmdma_stop(qc);
+			bmdma_stopped = true;
 
 			if (unlikely(host_stat & ATA_DMA_ERR)) {
 				/* error when transfering data to/from memory */
@@ -1716,8 +1718,14 @@ unsigned int ata_sff_host_intr(struct ata_port *ap,
 
 	/* check main status, clearing INTRQ if needed */
 	status = ata_sff_irq_status(ap);
-	if (status & ATA_BUSY)
-		goto idle_irq;
+	if (status & ATA_BUSY) {
+		if (bmdma_stopped) {
+			/* BMDMA engine is already stopped, we're screwed */
+			qc->err_mask |= AC_ERR_HSM;
+			ap->hsm_task_state = HSM_ST_ERR;
+		} else
+			goto idle_irq;
+	}
 
 	/* ack bmdma irq events */
 	ap->ops->sff_irq_clear(ap);
@@ -1762,13 +1770,16 @@ EXPORT_SYMBOL_GPL(ata_sff_host_intr);
 irqreturn_t ata_sff_interrupt(int irq, void *dev_instance)
 {
 	struct ata_host *host = dev_instance;
+	bool retried = false;
 	unsigned int i;
-	unsigned int handled = 0, polling = 0;
+	unsigned int handled, idle, polling;
 	unsigned long flags;
 
 	/* TODO: make _irqsave conditional on x86 PCI IDE legacy mode */
 	spin_lock_irqsave(&host->lock, flags);
 
+retry:
+	handled = idle = polling = 0;
 	for (i = 0; i < host->n_ports; i++) {
 		struct ata_port *ap = host->ports[i];
 		struct ata_queued_cmd *qc;
@@ -1782,7 +1793,8 @@ irqreturn_t ata_sff_interrupt(int irq, void *dev_instance)
 				handled |= ata_sff_host_intr(ap, qc);
 			else
 				polling |= 1 << i;
-		}
+		} else
+			idle |= 1 << i;
 	}
 
 	/*
@@ -1790,7 +1802,9 @@ irqreturn_t ata_sff_interrupt(int irq, void *dev_instance)
 	 * asserting IRQ line, nobody cared will ensue.  Check IRQ
 	 * pending status if available and clear spurious IRQ.
 	 */
-	if (!handled) {
+	if (!handled && !retried) {
+		bool retry = false;
+
 		for (i = 0; i < host->n_ports; i++) {
 			struct ata_port *ap = host->ports[i];
 
@@ -1805,8 +1819,23 @@ irqreturn_t ata_sff_interrupt(int irq, void *dev_instance)
 				ata_port_printk(ap, KERN_INFO,
 						"clearing spurious IRQ\n");
 
-			ap->ops->sff_check_status(ap);
-			ap->ops->sff_irq_clear(ap);
+			if (idle & (1 << i)) {
+				ap->ops->sff_check_status(ap);
+				ap->ops->sff_irq_clear(ap);
+			} else {
+				/* clear INTRQ and check if BUSY cleared */
+				if (!(ap->ops->sff_check_status(ap) & ATA_BUSY))
+					retry |= true;
+				/*
+				 * With command in flight, we can't do
+				 * sff_irq_clear() w/o racing with completion.
+				 */
+			}
+		}
+
+		if (retry) {
+			retried = true;
+			goto retry;
 		}
 	}
 
@@ -2287,7 +2316,7 @@ EXPORT_SYMBOL_GPL(ata_sff_postreset);
  *	@qc: command
  *
  *	Drain the FIFO and device of any stuck data following a command
- *	failing to complete. In some cases this is neccessary before a
+ *	failing to complete. In some cases this is necessary before a
  *	reset will recover the device.
  *
  */
diff --git a/drivers/ata/pata_acpi.c b/drivers/ata/pata_acpi.c
index 294f3020a78a..8e5e13210426 100644
--- a/drivers/ata/pata_acpi.c
+++ b/drivers/ata/pata_acpi.c
@@ -161,7 +161,7 @@ static void pacpi_set_dmamode(struct ata_port *ap, struct ata_device *adev)
  *
  *	Called when the libata layer is about to issue a command. We wrap
  *	this interface so that we can load the correct ATA timings if
- *	neccessary.
+ *	necessary.
  */
 
 static unsigned int pacpi_qc_issue(struct ata_queued_cmd *qc)
diff --git a/drivers/ata/pata_hpt3x3.c b/drivers/ata/pata_hpt3x3.c
index c86c71639a95..727a81ce4c9f 100644
--- a/drivers/ata/pata_hpt3x3.c
+++ b/drivers/ata/pata_hpt3x3.c
@@ -180,7 +180,7 @@ static void hpt3x3_init_chipset(struct pci_dev *dev)
  *	@id: Entry in match table
  *
  *	Perform basic initialisation. We set the device up so we access all
- *	ports via BAR4. This is neccessary to work around errata.
+ *	ports via BAR4. This is necessary to work around errata.
  */
 
 static int hpt3x3_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c
index 36103531feeb..147de2fd66d2 100644
--- a/drivers/ata/pata_pcmcia.c
+++ b/drivers/ata/pata_pcmcia.c
@@ -131,7 +131,7 @@ static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
  *	@qc: command
  *
  *	Drain the FIFO and device of any stuck data following a command
- *	failing to complete. In some cases this is neccessary before a
+ *	failing to complete. In some cases this is necessary before a
  *	reset will recover the device.
  *
  */
diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c
index 3059ec017de3..c59b40710fbd 100644
--- a/drivers/ata/pata_via.c
+++ b/drivers/ata/pata_via.c
@@ -576,6 +576,10 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 			u8 rev = isa->revision;
 			pci_dev_put(isa);
 
+			if ((id->device == 0x0415 || id->device == 0x3164) &&
+			    (config->id != id->device))
+				continue;
+
 			if (rev >= config->rev_min && rev <= config->rev_max)
 				break;
 		}
@@ -677,6 +681,7 @@ static const struct pci_device_id via[] = {
 	{ PCI_VDEVICE(VIA, 0x3164), },
 	{ PCI_VDEVICE(VIA, 0x5324), },
 	{ PCI_VDEVICE(VIA, 0xC409), VIA_IDFLAG_SINGLE },
+	{ PCI_VDEVICE(VIA, 0x9001), VIA_IDFLAG_SINGLE },
 
 	{ },
 };
diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
index 7fe7c324e7ef..23d95054705b 100644
--- a/drivers/atm/lanai.c
+++ b/drivers/atm/lanai.c
@@ -306,11 +306,10 @@ static void vci_bitfield_iterate(struct lanai_dev *lanai,
 	const unsigned long *lp,
 	void (*func)(struct lanai_dev *,vci_t vci))
 {
-	vci_t vci = find_first_bit(lp, NUM_VCI);
-	while (vci < NUM_VCI) {
+	vci_t vci;
+
+	for_each_set_bit(vci, lp, NUM_VCI)
 		func(lanai, vci);
-		vci = find_next_bit(lp, NUM_VCI, vci + 1);
-	}
 }
 
 /* -------------------- BUFFER  UTILITIES: */
diff --git a/drivers/auxdisplay/cfag12864bfb.c b/drivers/auxdisplay/cfag12864bfb.c
index fe3a865be4e5..b0ca5a47f47d 100644
--- a/drivers/auxdisplay/cfag12864bfb.c
+++ b/drivers/auxdisplay/cfag12864bfb.c
@@ -81,7 +81,7 @@ static struct fb_ops cfag12864bfb_ops = {
 	.fb_mmap = cfag12864bfb_mmap,
 };
 
-static int __init cfag12864bfb_probe(struct platform_device *device)
+static int __devinit cfag12864bfb_probe(struct platform_device *device)
 {
 	int ret = -EINVAL;
  	struct fb_info *info = framebuffer_alloc(0, &device->dev);
diff --git a/drivers/base/Kconfig b/drivers/base/Kconfig
index ee377270beb9..fd52c48ee762 100644
--- a/drivers/base/Kconfig
+++ b/drivers/base/Kconfig
@@ -3,35 +3,50 @@ menu "Generic Driver Options"
 config UEVENT_HELPER_PATH
 	string "path to uevent helper"
 	depends on HOTPLUG
-	default "/sbin/hotplug"
+	default ""
 	help
 	  Path to uevent helper program forked by the kernel for
 	  every uevent.
+	  Before the switch to the netlink-based uevent source, this was
+	  used to hook hotplug scripts into kernel device events. It
+	  usually pointed to a shell script at /sbin/hotplug.
+	  This should not be used today, because usual systems create
+	  many events at bootup or device discovery in a very short time
+	  frame. One forked process per event can create so many processes
+	  that it creates a high system load, or on smaller systems
+	  it is known to create out-of-memory situations during bootup.
 
 config DEVTMPFS
-	bool "Create a kernel maintained /dev tmpfs (EXPERIMENTAL)"
+	bool "Maintain a devtmpfs filesystem to mount at /dev"
 	depends on HOTPLUG && SHMEM && TMPFS
 	help
-	  This creates a tmpfs filesystem, and mounts it at bootup
-	  and mounts it at /dev. The kernel driver core creates device
-	  nodes for all registered devices in that filesystem. All device
-	  nodes are owned by root and have the default mode of 0600.
-	  Userspace can add and delete the nodes as needed. This is
-	  intended to simplify bootup, and make it possible to delay
-	  the initial coldplug at bootup done by udev in userspace.
-	  It should also provide a simpler way for rescue systems
-	  to bring up a kernel with dynamic major/minor numbers.
-	  Meaningful symlinks, permissions and device ownership must
-	  still be handled by userspace.
-	  If unsure, say N here.
+	  This creates a tmpfs filesystem instance early at bootup.
+	  In this filesystem, the kernel driver core maintains device
+	  nodes with their default names and permissions for all
+	  registered devices with an assigned major/minor number.
+	  Userspace can modify the filesystem content as needed, add
+	  symlinks, and apply needed permissions.
+	  It provides a fully functional /dev directory, where usually
+	  udev runs on top, managing permissions and adding meaningful
+	  symlinks.
+	  In very limited environments, it may provide a sufficient
+	  functional /dev without any further help. It also allows simple
+	  rescue systems, and reliably handles dynamic major/minor numbers.
 
 config DEVTMPFS_MOUNT
-	bool "Automount devtmpfs at /dev"
+	bool "Automount devtmpfs at /dev, after the kernel mounted the rootfs"
 	depends on DEVTMPFS
 	help
-	  This will mount devtmpfs at /dev if the kernel mounts the root
-	  filesystem. It will not affect initramfs based mounting.
-	  If unsure, say N here.
+	  This will instruct the kernel to automatically mount the
+	  devtmpfs filesystem at /dev, directly after the kernel has
+	  mounted the root filesystem. The behavior can be overridden
+	  with the commandline parameter: devtmpfs.mount=0|1.
+	  This option does not affect initramfs based booting, here
+	  the devtmpfs filesystem always needs to be mounted manually
+	  after the roots is mounted.
+	  With this option enabled, it allows to bring up a system in
+	  rescue mode with init=/bin/sh, even when the /dev directory
+	  on the rootfs is completely empty.
 
 config STANDALONE
 	bool "Select only drivers that don't need compile-time external firmware" if EXPERIMENTAL
diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index c0c5a43d9fb3..71f6af5c8b0b 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -70,7 +70,7 @@ static ssize_t drv_attr_store(struct kobject *kobj, struct attribute *attr,
 	return ret;
 }
 
-static struct sysfs_ops driver_sysfs_ops = {
+static const struct sysfs_ops driver_sysfs_ops = {
 	.show	= drv_attr_show,
 	.store	= drv_attr_store,
 };
@@ -115,7 +115,7 @@ static ssize_t bus_attr_store(struct kobject *kobj, struct attribute *attr,
 	return ret;
 }
 
-static struct sysfs_ops bus_sysfs_ops = {
+static const struct sysfs_ops bus_sysfs_ops = {
 	.show	= bus_attr_show,
 	.store	= bus_attr_store,
 };
@@ -154,7 +154,7 @@ static int bus_uevent_filter(struct kset *kset, struct kobject *kobj)
 	return 0;
 }
 
-static struct kset_uevent_ops bus_uevent_ops = {
+static const struct kset_uevent_ops bus_uevent_ops = {
 	.filter = bus_uevent_filter,
 };
 
@@ -173,10 +173,10 @@ static ssize_t driver_unbind(struct device_driver *drv,
 	dev = bus_find_device_by_name(bus, NULL, buf);
 	if (dev && dev->driver == drv) {
 		if (dev->parent)	/* Needed for USB */
-			down(&dev->parent->sem);
+			device_lock(dev->parent);
 		device_release_driver(dev);
 		if (dev->parent)
-			up(&dev->parent->sem);
+			device_unlock(dev->parent);
 		err = count;
 	}
 	put_device(dev);
@@ -200,12 +200,12 @@ static ssize_t driver_bind(struct device_driver *drv,
 	dev = bus_find_device_by_name(bus, NULL, buf);
 	if (dev && dev->driver == NULL && driver_match_device(drv, dev)) {
 		if (dev->parent)	/* Needed for USB */
-			down(&dev->parent->sem);
-		down(&dev->sem);
+			device_lock(dev->parent);
+		device_lock(dev);
 		err = driver_probe_device(drv, dev);
-		up(&dev->sem);
+		device_unlock(dev);
 		if (dev->parent)
-			up(&dev->parent->sem);
+			device_unlock(dev->parent);
 
 		if (err > 0) {
 			/* success */
@@ -744,10 +744,10 @@ static int __must_check bus_rescan_devices_helper(struct device *dev,
 
 	if (!dev->driver) {
 		if (dev->parent)	/* Needed for USB */
-			down(&dev->parent->sem);
+			device_lock(dev->parent);
 		ret = device_attach(dev);
 		if (dev->parent)
-			up(&dev->parent->sem);
+			device_unlock(dev->parent);
 	}
 	return ret < 0 ? ret : 0;
 }
@@ -779,10 +779,10 @@ int device_reprobe(struct device *dev)
 {
 	if (dev->driver) {
 		if (dev->parent)        /* Needed for USB */
-			down(&dev->parent->sem);
+			device_lock(dev->parent);
 		device_release_driver(dev);
 		if (dev->parent)
-			up(&dev->parent->sem);
+			device_unlock(dev->parent);
 	}
 	return bus_rescan_devices_helper(dev, NULL);
 }
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 6e2c3b064f53..9c6a0d6408e7 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -31,7 +31,7 @@ static ssize_t class_attr_show(struct kobject *kobj, struct attribute *attr,
 	ssize_t ret = -EIO;
 
 	if (class_attr->show)
-		ret = class_attr->show(cp->class, buf);
+		ret = class_attr->show(cp->class, class_attr, buf);
 	return ret;
 }
 
@@ -43,7 +43,7 @@ static ssize_t class_attr_store(struct kobject *kobj, struct attribute *attr,
 	ssize_t ret = -EIO;
 
 	if (class_attr->store)
-		ret = class_attr->store(cp->class, buf, count);
+		ret = class_attr->store(cp->class, class_attr, buf, count);
 	return ret;
 }
 
@@ -63,7 +63,7 @@ static void class_release(struct kobject *kobj)
 	kfree(cp);
 }
 
-static struct sysfs_ops class_sysfs_ops = {
+static const struct sysfs_ops class_sysfs_ops = {
 	.show	= class_attr_show,
 	.store	= class_attr_store,
 };
@@ -219,6 +219,8 @@ static void class_create_release(struct class *cls)
  * This is used to create a struct class pointer that can then be used
  * in calls to device_create().
  *
+ * Returns &struct class pointer on success, or ERR_PTR() on error.
+ *
  * Note, the pointer created here is to be destroyed when finished by
  * making a call to class_destroy().
  */
@@ -490,6 +492,16 @@ void class_interface_unregister(struct class_interface *class_intf)
 	class_put(parent);
 }
 
+ssize_t show_class_attr_string(struct class *class, struct class_attribute *attr,
+                        	char *buf)
+{
+	struct class_attribute_string *cs;
+	cs = container_of(attr, struct class_attribute_string, attr);
+	return snprintf(buf, PAGE_SIZE, "%s\n", cs->str);
+}
+
+EXPORT_SYMBOL_GPL(show_class_attr_string);
+
 struct class_compat {
 	struct kobject *kobj;
 };
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 282025770429..b56a0ba31d4a 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -100,7 +100,7 @@ static ssize_t dev_attr_store(struct kobject *kobj, struct attribute *attr,
 	return ret;
 }
 
-static struct sysfs_ops dev_sysfs_ops = {
+static const struct sysfs_ops dev_sysfs_ops = {
 	.show	= dev_attr_show,
 	.store	= dev_attr_store,
 };
@@ -252,7 +252,7 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj,
 	return retval;
 }
 
-static struct kset_uevent_ops device_uevent_ops = {
+static const struct kset_uevent_ops device_uevent_ops = {
 	.filter =	dev_uevent_filter,
 	.name =		dev_uevent_name,
 	.uevent =	dev_uevent,
@@ -306,15 +306,10 @@ static ssize_t store_uevent(struct device *dev, struct device_attribute *attr,
 {
 	enum kobject_action action;
 
-	if (kobject_action_type(buf, count, &action) == 0) {
+	if (kobject_action_type(buf, count, &action) == 0)
 		kobject_uevent(&dev->kobj, action);
-		goto out;
-	}
-
-	dev_err(dev, "uevent: unsupported action-string; this will "
-		     "be ignored in a future kernel version\n");
-	kobject_uevent(&dev->kobj, KOBJ_ADD);
-out:
+	else
+		dev_err(dev, "uevent: unknown action-string\n");
 	return count;
 }
 
@@ -607,6 +602,7 @@ static struct kobject *get_device_parent(struct device *dev,
 	int retval;
 
 	if (dev->class) {
+		static DEFINE_MUTEX(gdp_mutex);
 		struct kobject *kobj = NULL;
 		struct kobject *parent_kobj;
 		struct kobject *k;
@@ -623,6 +619,8 @@ static struct kobject *get_device_parent(struct device *dev,
 		else
 			parent_kobj = &parent->kobj;
 
+		mutex_lock(&gdp_mutex);
+
 		/* find our class-directory at the parent and reference it */
 		spin_lock(&dev->class->p->class_dirs.list_lock);
 		list_for_each_entry(k, &dev->class->p->class_dirs.list, entry)
@@ -631,20 +629,26 @@ static struct kobject *get_device_parent(struct device *dev,
 				break;
 			}
 		spin_unlock(&dev->class->p->class_dirs.list_lock);
-		if (kobj)
+		if (kobj) {
+			mutex_unlock(&gdp_mutex);
 			return kobj;
+		}
 
 		/* or create a new class-directory at the parent device */
 		k = kobject_create();
-		if (!k)
+		if (!k) {
+			mutex_unlock(&gdp_mutex);
 			return NULL;
+		}
 		k->kset = &dev->class->p->class_dirs;
 		retval = kobject_add(k, parent_kobj, "%s", dev->class->name);
 		if (retval < 0) {
+			mutex_unlock(&gdp_mutex);
 			kobject_put(k);
 			return NULL;
 		}
 		/* do not emit an uevent for this simple "glue" directory */
+		mutex_unlock(&gdp_mutex);
 		return k;
 	}
 
@@ -1341,6 +1345,8 @@ static void root_device_release(struct device *dev)
  * 'module' symlink which points to the @owner directory
  * in sysfs.
  *
+ * Returns &struct device pointer on success, or ERR_PTR() on error.
+ *
  * Note: You probably want to use root_device_register().
  */
 struct device *__root_device_register(const char *name, struct module *owner)
@@ -1428,6 +1434,8 @@ static void device_create_release(struct device *dev)
  * Any further sysfs files that might be required can be created using this
  * pointer.
  *
+ * Returns &struct device pointer on success, or ERR_PTR() on error.
+ *
  * Note: the struct class passed to this function must have previously
  * been created with a call to class_create().
  */
@@ -1488,6 +1496,8 @@ EXPORT_SYMBOL_GPL(device_create_vargs);
  * Any further sysfs files that might be required can be created using this
  * pointer.
  *
+ * Returns &struct device pointer on success, or ERR_PTR() on error.
+ *
  * Note: the struct class passed to this function must have previously
  * been created with a call to class_create().
  */
@@ -1574,22 +1584,16 @@ int device_rename(struct device *dev, char *new_name)
 	if (old_class_name) {
 		new_class_name = make_class_name(dev->class->name, &dev->kobj);
 		if (new_class_name) {
-			error = sysfs_create_link_nowarn(&dev->parent->kobj,
-							 &dev->kobj,
-							 new_class_name);
-			if (error)
-				goto out;
-			sysfs_remove_link(&dev->parent->kobj, old_class_name);
+			error = sysfs_rename_link(&dev->parent->kobj,
+						  &dev->kobj,
+						  old_class_name,
+						  new_class_name);
 		}
 	}
 #else
 	if (dev->class) {
-		error = sysfs_create_link_nowarn(&dev->class->p->class_subsys.kobj,
-						 &dev->kobj, dev_name(dev));
-		if (error)
-			goto out;
-		sysfs_remove_link(&dev->class->p->class_subsys.kobj,
-				  old_device_name);
+		error = sysfs_rename_link(&dev->class->p->class_subsys.kobj,
+					  &dev->kobj, old_device_name, new_name);
 	}
 #endif
 
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 958bd1540c30..b5242e1e8bc4 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -13,8 +13,11 @@
 
 #include "base.h"
 
+static struct sysdev_class_attribute *cpu_sysdev_class_attrs[];
+
 struct sysdev_class cpu_sysdev_class = {
 	.name = "cpu",
+	.attrs = cpu_sysdev_class_attrs,
 };
 EXPORT_SYMBOL(cpu_sysdev_class);
 
@@ -76,34 +79,24 @@ void unregister_cpu(struct cpu *cpu)
 }
 
 #ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
-static ssize_t cpu_probe_store(struct class *class, const char *buf,
+static ssize_t cpu_probe_store(struct sysdev_class *class,
+			       struct sysdev_class_attribute *attr,
+			       const char *buf,
 			       size_t count)
 {
 	return arch_cpu_probe(buf, count);
 }
 
-static ssize_t cpu_release_store(struct class *class, const char *buf,
+static ssize_t cpu_release_store(struct sysdev_class *class,
+				 struct sysdev_class_attribute *attr,
+				 const char *buf,
 				 size_t count)
 {
 	return arch_cpu_release(buf, count);
 }
 
-static CLASS_ATTR(probe, S_IWUSR, NULL, cpu_probe_store);
-static CLASS_ATTR(release, S_IWUSR, NULL, cpu_release_store);
-
-int __init cpu_probe_release_init(void)
-{
-	int rc;
-
-	rc = sysfs_create_file(&cpu_sysdev_class.kset.kobj,
-			       &class_attr_probe.attr);
-	if (!rc)
-		rc = sysfs_create_file(&cpu_sysdev_class.kset.kobj,
-				       &class_attr_release.attr);
-
-	return rc;
-}
-device_initcall(cpu_probe_release_init);
+static SYSDEV_CLASS_ATTR(probe, S_IWUSR, NULL, cpu_probe_store);
+static SYSDEV_CLASS_ATTR(release, S_IWUSR, NULL, cpu_release_store);
 #endif /* CONFIG_ARCH_CPU_PROBE_RELEASE */
 
 #else /* ... !CONFIG_HOTPLUG_CPU */
@@ -141,31 +134,39 @@ static SYSDEV_ATTR(crash_notes, 0400, show_crash_notes, NULL);
 /*
  * Print cpu online, possible, present, and system maps
  */
-static ssize_t print_cpus_map(char *buf, const struct cpumask *map)
+
+struct cpu_attr {
+	struct sysdev_class_attribute attr;
+	const struct cpumask *const * const map;
+};
+
+static ssize_t show_cpus_attr(struct sysdev_class *class,
+			      struct sysdev_class_attribute *attr,
+			      char *buf)
 {
-	int n = cpulist_scnprintf(buf, PAGE_SIZE-2, map);
+	struct cpu_attr *ca = container_of(attr, struct cpu_attr, attr);
+	int n = cpulist_scnprintf(buf, PAGE_SIZE-2, *(ca->map));
 
 	buf[n++] = '\n';
 	buf[n] = '\0';
 	return n;
 }
 
-#define	print_cpus_func(type) \
-static ssize_t print_cpus_##type(struct sysdev_class *class, char *buf)	\
-{									\
-	return print_cpus_map(buf, cpu_##type##_mask);			\
-}									\
-static struct sysdev_class_attribute attr_##type##_map = 		\
-	_SYSDEV_CLASS_ATTR(type, 0444, print_cpus_##type, NULL)
+#define _CPU_ATTR(name, map)						\
+	{ _SYSDEV_CLASS_ATTR(name, 0444, show_cpus_attr, NULL), map }
 
-print_cpus_func(online);
-print_cpus_func(possible);
-print_cpus_func(present);
+/* Keep in sync with cpu_sysdev_class_attrs */
+static struct cpu_attr cpu_attrs[] = {
+	_CPU_ATTR(online, &cpu_online_mask),
+	_CPU_ATTR(possible, &cpu_possible_mask),
+	_CPU_ATTR(present, &cpu_present_mask),
+};
 
 /*
  * Print values for NR_CPUS and offlined cpus
  */
-static ssize_t print_cpus_kernel_max(struct sysdev_class *class, char *buf)
+static ssize_t print_cpus_kernel_max(struct sysdev_class *class,
+				     struct sysdev_class_attribute *attr, char *buf)
 {
 	int n = snprintf(buf, PAGE_SIZE-2, "%d\n", NR_CPUS - 1);
 	return n;
@@ -175,7 +176,8 @@ static SYSDEV_CLASS_ATTR(kernel_max, 0444, print_cpus_kernel_max, NULL);
 /* arch-optional setting to enable display of offline cpus >= nr_cpu_ids */
 unsigned int total_cpus;
 
-static ssize_t print_cpus_offline(struct sysdev_class *class, char *buf)
+static ssize_t print_cpus_offline(struct sysdev_class *class,
+				  struct sysdev_class_attribute *attr, char *buf)
 {
 	int n = 0, len = PAGE_SIZE-2;
 	cpumask_var_t offline;
@@ -204,29 +206,6 @@ static ssize_t print_cpus_offline(struct sysdev_class *class, char *buf)
 }
 static SYSDEV_CLASS_ATTR(offline, 0444, print_cpus_offline, NULL);
 
-static struct sysdev_class_attribute *cpu_state_attr[] = {
-	&attr_online_map,
-	&attr_possible_map,
-	&attr_present_map,
-	&attr_kernel_max,
-	&attr_offline,
-};
-
-static int cpu_states_init(void)
-{
-	int i;
-	int err = 0;
-
-	for (i = 0;  i < ARRAY_SIZE(cpu_state_attr); i++) {
-		int ret;
-		ret = sysdev_class_create_file(&cpu_sysdev_class,
-						cpu_state_attr[i]);
-		if (!err)
-			err = ret;
-	}
-	return err;
-}
-
 /*
  * register_cpu - Setup a sysfs device for a CPU.
  * @cpu - cpu->hotpluggable field set to 1 will generate a control file in
@@ -272,9 +251,6 @@ int __init cpu_dev_init(void)
 	int err;
 
 	err = sysdev_class_register(&cpu_sysdev_class);
-	if (!err)
-		err = cpu_states_init();
-
 #if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT)
 	if (!err)
 		err = sched_create_sysfs_power_savings_entries(&cpu_sysdev_class);
@@ -282,3 +258,16 @@ int __init cpu_dev_init(void)
 
 	return err;
 }
+
+static struct sysdev_class_attribute *cpu_sysdev_class_attrs[] = {
+#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
+	&attr_probe,
+	&attr_release,
+#endif
+	&cpu_attrs[0].attr,
+	&cpu_attrs[1].attr,
+	&cpu_attrs[2].attr,
+	&attr_kernel_max,
+	&attr_offline,
+	NULL
+};
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index ee95c76bfd3d..c89291f8a16b 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -85,7 +85,7 @@ static void driver_sysfs_remove(struct device *dev)
  * for before calling this. (It is ok to call with no other effort
  * from a driver's probe() method.)
  *
- * This function must be called with @dev->sem held.
+ * This function must be called with the device lock held.
  */
 int device_bind_driver(struct device *dev)
 {
@@ -190,8 +190,8 @@ EXPORT_SYMBOL_GPL(wait_for_device_probe);
  * This function returns -ENODEV if the device is not registered,
  * 1 if the device is bound successfully and 0 otherwise.
  *
- * This function must be called with @dev->sem held.  When called for a
- * USB interface, @dev->parent->sem must be held as well.
+ * This function must be called with @dev lock held.  When called for a
+ * USB interface, @dev->parent lock must be held as well.
  */
 int driver_probe_device(struct device_driver *drv, struct device *dev)
 {
@@ -233,13 +233,13 @@ static int __device_attach(struct device_driver *drv, void *data)
  * 0 if no matching driver was found;
  * -ENODEV if the device is not registered.
  *
- * When called for a USB interface, @dev->parent->sem must be held.
+ * When called for a USB interface, @dev->parent lock must be held.
  */
 int device_attach(struct device *dev)
 {
 	int ret = 0;
 
-	down(&dev->sem);
+	device_lock(dev);
 	if (dev->driver) {
 		ret = device_bind_driver(dev);
 		if (ret == 0)
@@ -253,7 +253,7 @@ int device_attach(struct device *dev)
 		ret = bus_for_each_drv(dev->bus, NULL, dev, __device_attach);
 		pm_runtime_put_sync(dev);
 	}
-	up(&dev->sem);
+	device_unlock(dev);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(device_attach);
@@ -276,13 +276,13 @@ static int __driver_attach(struct device *dev, void *data)
 		return 0;
 
 	if (dev->parent)	/* Needed for USB */
-		down(&dev->parent->sem);
-	down(&dev->sem);
+		device_lock(dev->parent);
+	device_lock(dev);
 	if (!dev->driver)
 		driver_probe_device(drv, dev);
-	up(&dev->sem);
+	device_unlock(dev);
 	if (dev->parent)
-		up(&dev->parent->sem);
+		device_unlock(dev->parent);
 
 	return 0;
 }
@@ -303,8 +303,8 @@ int driver_attach(struct device_driver *drv)
 EXPORT_SYMBOL_GPL(driver_attach);
 
 /*
- * __device_release_driver() must be called with @dev->sem held.
- * When called for a USB interface, @dev->parent->sem must be held as well.
+ * __device_release_driver() must be called with @dev lock held.
+ * When called for a USB interface, @dev->parent lock must be held as well.
  */
 static void __device_release_driver(struct device *dev)
 {
@@ -343,7 +343,7 @@ static void __device_release_driver(struct device *dev)
  * @dev: device.
  *
  * Manually detach device from driver.
- * When called for a USB interface, @dev->parent->sem must be held.
+ * When called for a USB interface, @dev->parent lock must be held.
  */
 void device_release_driver(struct device *dev)
 {
@@ -352,9 +352,9 @@ void device_release_driver(struct device *dev)
 	 * within their ->remove callback for the same device, they
 	 * will deadlock right here.
 	 */
-	down(&dev->sem);
+	device_lock(dev);
 	__device_release_driver(dev);
-	up(&dev->sem);
+	device_unlock(dev);
 }
 EXPORT_SYMBOL_GPL(device_release_driver);
 
@@ -381,13 +381,13 @@ void driver_detach(struct device_driver *drv)
 		spin_unlock(&drv->p->klist_devices.k_lock);
 
 		if (dev->parent)	/* Needed for USB */
-			down(&dev->parent->sem);
-		down(&dev->sem);
+			device_lock(dev->parent);
+		device_lock(dev);
 		if (dev->driver == drv)
 			__device_release_driver(dev);
-		up(&dev->sem);
+		device_unlock(dev);
 		if (dev->parent)
-			up(&dev->parent->sem);
+			device_unlock(dev->parent);
 		put_device(dev);
 	}
 }
diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c
index 42ae452b36b0..dac478c6e460 100644
--- a/drivers/base/devtmpfs.c
+++ b/drivers/base/devtmpfs.c
@@ -301,6 +301,19 @@ int devtmpfs_delete_node(struct device *dev)
 		if (dentry->d_inode) {
 			err = vfs_getattr(nd.path.mnt, dentry, &stat);
 			if (!err && dev_mynode(dev, dentry->d_inode, &stat)) {
+				struct iattr newattrs;
+				/*
+				 * before unlinking this node, reset permissions
+				 * of possible references like hardlinks
+				 */
+				newattrs.ia_uid = 0;
+				newattrs.ia_gid = 0;
+				newattrs.ia_mode = stat.mode & ~0777;
+				newattrs.ia_valid =
+					ATTR_UID|ATTR_GID|ATTR_MODE;
+				mutex_lock(&dentry->d_inode->i_mutex);
+				notify_change(dentry, &newattrs);
+				mutex_unlock(&dentry->d_inode->i_mutex);
 				err = vfs_unlink(nd.path.dentry->d_inode,
 						 dentry);
 				if (!err || err == -ENOENT)
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index a95024166b66..18518ba13c81 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -19,7 +19,6 @@
 #include <linux/kthread.h>
 #include <linux/highmem.h>
 #include <linux/firmware.h>
-#include "base.h"
 
 #define to_dev(obj) container_of(obj, struct device, kobj)
 
@@ -69,7 +68,9 @@ fw_load_abort(struct firmware_priv *fw_priv)
 }
 
 static ssize_t
-firmware_timeout_show(struct class *class, char *buf)
+firmware_timeout_show(struct class *class,
+		      struct class_attribute *attr,
+		      char *buf)
 {
 	return sprintf(buf, "%d\n", loading_timeout);
 }
@@ -77,6 +78,7 @@ firmware_timeout_show(struct class *class, char *buf)
 /**
  * firmware_timeout_store - set number of seconds to wait for firmware
  * @class: device class pointer
+ * @attr: device attribute pointer
  * @buf: buffer to scan for timeout value
  * @count: number of bytes in @buf
  *
@@ -87,7 +89,9 @@ firmware_timeout_show(struct class *class, char *buf)
  *	Note: zero means 'wait forever'.
  **/
 static ssize_t
-firmware_timeout_store(struct class *class, const char *buf, size_t count)
+firmware_timeout_store(struct class *class,
+			struct class_attribute *attr,
+			const char *buf, size_t count)
 {
 	loading_timeout = simple_strtol(buf, NULL, 10);
 	if (loading_timeout < 0)
@@ -439,6 +443,7 @@ static int fw_setup_device(struct firmware *fw, struct device **dev_p,
 	fw_priv = dev_get_drvdata(f_dev);
 
 	fw_priv->fw = fw;
+	sysfs_bin_attr_init(&fw_priv->attr_data);
 	retval = sysfs_create_bin_file(&f_dev->kobj, &fw_priv->attr_data);
 	if (retval) {
 		dev_err(device, "%s: sysfs_create_bin_file failed\n", __func__);
@@ -610,7 +615,7 @@ request_firmware_work_func(void *arg)
 }
 
 /**
- * request_firmware_nowait: asynchronous version of request_firmware
+ * request_firmware_nowait - asynchronous version of request_firmware
  * @module: module requesting the firmware
  * @uevent: sends uevent to copy the firmware image if this flag
  *	is non-zero else the firmware copy must be done manually.
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index bd025059711f..db0848e54cc6 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -44,7 +44,7 @@ static int memory_uevent(struct kset *kset, struct kobject *obj, struct kobj_uev
 	return retval;
 }
 
-static struct kset_uevent_ops memory_uevent_ops = {
+static const struct kset_uevent_ops memory_uevent_ops = {
 	.name		= memory_uevent_name,
 	.uevent		= memory_uevent,
 };
@@ -309,17 +309,18 @@ static SYSDEV_ATTR(removable, 0444, show_mem_removable, NULL);
  * Block size attribute stuff
  */
 static ssize_t
-print_block_size(struct class *class, char *buf)
+print_block_size(struct sysdev_class *class, struct sysdev_class_attribute *attr,
+		 char *buf)
 {
 	return sprintf(buf, "%#lx\n", (unsigned long)PAGES_PER_SECTION * PAGE_SIZE);
 }
 
-static CLASS_ATTR(block_size_bytes, 0444, print_block_size, NULL);
+static SYSDEV_CLASS_ATTR(block_size_bytes, 0444, print_block_size, NULL);
 
 static int block_size_init(void)
 {
 	return sysfs_create_file(&memory_sysdev_class.kset.kobj,
-				&class_attr_block_size_bytes.attr);
+				&attr_block_size_bytes.attr);
 }
 
 /*
@@ -330,7 +331,8 @@ static int block_size_init(void)
  */
 #ifdef CONFIG_ARCH_MEMORY_PROBE
 static ssize_t
-memory_probe_store(struct class *class, const char *buf, size_t count)
+memory_probe_store(struct class *class, struct class_attribute *attr,
+		   const char *buf, size_t count)
 {
 	u64 phys_addr;
 	int nid;
@@ -367,7 +369,9 @@ static inline int memory_probe_init(void)
 
 /* Soft offline a page */
 static ssize_t
-store_soft_offline_page(struct class *class, const char *buf, size_t count)
+store_soft_offline_page(struct class *class,
+			struct class_attribute *attr,
+			const char *buf, size_t count)
 {
 	int ret;
 	u64 pfn;
@@ -384,7 +388,9 @@ store_soft_offline_page(struct class *class, const char *buf, size_t count)
 
 /* Forcibly offline a page, including killing processes. */
 static ssize_t
-store_hard_offline_page(struct class *class, const char *buf, size_t count)
+store_hard_offline_page(struct class *class,
+			struct class_attribute *attr,
+			const char *buf, size_t count)
 {
 	int ret;
 	u64 pfn;
@@ -423,12 +429,16 @@ static inline int memory_fail_init(void)
  * differentiation between which *physical* devices each
  * section belongs to...
  */
+int __weak arch_get_memory_phys_device(unsigned long start_pfn)
+{
+	return 0;
+}
 
 static int add_memory_block(int nid, struct mem_section *section,
-			unsigned long state, int phys_device,
-			enum mem_add_context context)
+			unsigned long state, enum mem_add_context context)
 {
 	struct memory_block *mem = kzalloc(sizeof(*mem), GFP_KERNEL);
+	unsigned long start_pfn;
 	int ret = 0;
 
 	if (!mem)
@@ -437,7 +447,8 @@ static int add_memory_block(int nid, struct mem_section *section,
 	mem->phys_index = __section_nr(section);
 	mem->state = state;
 	mutex_init(&mem->state_mutex);
-	mem->phys_device = phys_device;
+	start_pfn = section_nr_to_pfn(mem->phys_index);
+	mem->phys_device = arch_get_memory_phys_device(start_pfn);
 
 	ret = register_memory(mem, section);
 	if (!ret)
@@ -509,7 +520,7 @@ int remove_memory_block(unsigned long node_id, struct mem_section *section,
  */
 int register_new_memory(int nid, struct mem_section *section)
 {
-	return add_memory_block(nid, section, MEM_OFFLINE, 0, HOTPLUG);
+	return add_memory_block(nid, section, MEM_OFFLINE, HOTPLUG);
 }
 
 int unregister_memory_section(struct mem_section *section)
@@ -542,7 +553,7 @@ int __init memory_dev_init(void)
 		if (!present_section_nr(i))
 			continue;
 		err = add_memory_block(0, __nr_to_section(i), MEM_ONLINE,
-					0, BOOT);
+				       BOOT);
 		if (!ret)
 			ret = err;
 	}
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 70122791683d..93b3ac65c2d4 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -16,8 +16,11 @@
 #include <linux/device.h>
 #include <linux/swap.h>
 
+static struct sysdev_class_attribute *node_state_attrs[];
+
 static struct sysdev_class node_class = {
 	.name = "node",
+	.attrs = node_state_attrs,
 };
 
 
@@ -162,8 +165,11 @@ static ssize_t node_read_distance(struct sys_device * dev,
 	int len = 0;
 	int i;
 
-	/* buf currently PAGE_SIZE, need ~4 chars per node */
-	BUILD_BUG_ON(MAX_NUMNODES*4 > PAGE_SIZE/2);
+	/*
+	 * buf is currently PAGE_SIZE in length and each node needs 4 chars
+	 * at the most (distance + space or newline).
+	 */
+	BUILD_BUG_ON(MAX_NUMNODES * 4 > PAGE_SIZE);
 
 	for_each_online_node(i)
 		len += sprintf(buf + len, "%s%d", i ? " " : "", node_distance(nid, i));
@@ -544,76 +550,52 @@ static ssize_t print_nodes_state(enum node_states state, char *buf)
 	return n;
 }
 
-static ssize_t print_nodes_possible(struct sysdev_class *class, char *buf)
-{
-	return print_nodes_state(N_POSSIBLE, buf);
-}
-
-static ssize_t print_nodes_online(struct sysdev_class *class, char *buf)
-{
-	return print_nodes_state(N_ONLINE, buf);
-}
-
-static ssize_t print_nodes_has_normal_memory(struct sysdev_class *class,
-						char *buf)
-{
-	return print_nodes_state(N_NORMAL_MEMORY, buf);
-}
+struct node_attr {
+	struct sysdev_class_attribute attr;
+	enum node_states state;
+};
 
-static ssize_t print_nodes_has_cpu(struct sysdev_class *class, char *buf)
+static ssize_t show_node_state(struct sysdev_class *class,
+			       struct sysdev_class_attribute *attr, char *buf)
 {
-	return print_nodes_state(N_CPU, buf);
+	struct node_attr *na = container_of(attr, struct node_attr, attr);
+	return print_nodes_state(na->state, buf);
 }
 
-static SYSDEV_CLASS_ATTR(possible, 0444, print_nodes_possible, NULL);
-static SYSDEV_CLASS_ATTR(online, 0444, print_nodes_online, NULL);
-static SYSDEV_CLASS_ATTR(has_normal_memory, 0444, print_nodes_has_normal_memory,
-									NULL);
-static SYSDEV_CLASS_ATTR(has_cpu, 0444, print_nodes_has_cpu, NULL);
+#define _NODE_ATTR(name, state) \
+	{ _SYSDEV_CLASS_ATTR(name, 0444, show_node_state, NULL), state }
 
+static struct node_attr node_state_attr[] = {
+	_NODE_ATTR(possible, N_POSSIBLE),
+	_NODE_ATTR(online, N_ONLINE),
+	_NODE_ATTR(has_normal_memory, N_NORMAL_MEMORY),
+	_NODE_ATTR(has_cpu, N_CPU),
 #ifdef CONFIG_HIGHMEM
-static ssize_t print_nodes_has_high_memory(struct sysdev_class *class,
-						 char *buf)
-{
-	return print_nodes_state(N_HIGH_MEMORY, buf);
-}
-
-static SYSDEV_CLASS_ATTR(has_high_memory, 0444, print_nodes_has_high_memory,
-									 NULL);
+	_NODE_ATTR(has_high_memory, N_HIGH_MEMORY),
 #endif
+};
 
-struct sysdev_class_attribute *node_state_attr[] = {
-	&attr_possible,
-	&attr_online,
-	&attr_has_normal_memory,
+static struct sysdev_class_attribute *node_state_attrs[] = {
+	&node_state_attr[0].attr,
+	&node_state_attr[1].attr,
+	&node_state_attr[2].attr,
+	&node_state_attr[3].attr,
 #ifdef CONFIG_HIGHMEM
-	&attr_has_high_memory,
+	&node_state_attr[4].attr,
 #endif
-	&attr_has_cpu,
+	NULL
 };
 
-static int node_states_init(void)
-{
-	int i;
-	int err = 0;
-
-	for (i = 0;  i < NR_NODE_STATES; i++) {
-		int ret;
-		ret = sysdev_class_create_file(&node_class, node_state_attr[i]);
-		if (!err)
-			err = ret;
-	}
-	return err;
-}
-
 #define NODE_CALLBACK_PRI	2	/* lower than SLAB */
 static int __init register_node_type(void)
 {
 	int ret;
 
+ 	BUILD_BUG_ON(ARRAY_SIZE(node_state_attr) != NR_NODE_STATES);
+ 	BUILD_BUG_ON(ARRAY_SIZE(node_state_attrs)-1 != NR_NODE_STATES);
+
 	ret = sysdev_class_register(&node_class);
 	if (!ret) {
-		ret = node_states_init();
 		hotplug_memory_notifier(node_memory_callback,
 					NODE_CALLBACK_PRI);
 	}
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 58efaf2f1259..4b4b565c835f 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -128,7 +128,7 @@ struct platform_object {
 };
 
 /**
- * platform_device_put
+ * platform_device_put - destroy a platform device
  * @pdev: platform device to free
  *
  * Free all memory associated with a platform device.  This function must
@@ -152,7 +152,7 @@ static void platform_device_release(struct device *dev)
 }
 
 /**
- * platform_device_alloc
+ * platform_device_alloc - create a platform device
  * @name: base name of the device we're adding
  * @id: instance id
  *
@@ -177,7 +177,7 @@ struct platform_device *platform_device_alloc(const char *name, int id)
 EXPORT_SYMBOL_GPL(platform_device_alloc);
 
 /**
- * platform_device_add_resources
+ * platform_device_add_resources - add resources to a platform device
  * @pdev: platform device allocated by platform_device_alloc to add resources to
  * @res: set of resources that needs to be allocated for the device
  * @num: number of resources
@@ -202,7 +202,7 @@ int platform_device_add_resources(struct platform_device *pdev,
 EXPORT_SYMBOL_GPL(platform_device_add_resources);
 
 /**
- * platform_device_add_data
+ * platform_device_add_data - add platform-specific data to a platform device
  * @pdev: platform device allocated by platform_device_alloc to add resources to
  * @data: platform specific data for this platform device
  * @size: size of platform specific data
@@ -344,7 +344,7 @@ void platform_device_unregister(struct platform_device *pdev)
 EXPORT_SYMBOL_GPL(platform_device_unregister);
 
 /**
- * platform_device_register_simple
+ * platform_device_register_simple - add a platform-level device and its resources
  * @name: base name of the device we're adding
  * @id: instance id
  * @res: set of resources that needs to be allocated for the device
@@ -362,6 +362,8 @@ EXPORT_SYMBOL_GPL(platform_device_unregister);
  * enumeration tasks, they don't fully conform to the Linux driver model.
  * In particular, when such drivers are built as modules, they can't be
  * "hotplugged".
+ *
+ * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
  */
 struct platform_device *platform_device_register_simple(const char *name,
 							int id,
@@ -396,7 +398,7 @@ error:
 EXPORT_SYMBOL_GPL(platform_device_register_simple);
 
 /**
- * platform_device_register_data
+ * platform_device_register_data - add a platform-level device with platform-specific data
  * @parent: parent device for the device we're adding
  * @name: base name of the device we're adding
  * @id: instance id
@@ -408,6 +410,8 @@ EXPORT_SYMBOL_GPL(platform_device_register_simple);
  * allocated for the device allows drivers using such devices to be
  * unloaded without waiting for the last reference to the device to be
  * dropped.
+ *
+ * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
  */
 struct platform_device *platform_device_register_data(
 		struct device *parent,
@@ -473,7 +477,7 @@ static void platform_drv_shutdown(struct device *_dev)
 }
 
 /**
- * platform_driver_register
+ * platform_driver_register - register a driver for platform-level devices
  * @drv: platform driver structure
  */
 int platform_driver_register(struct platform_driver *drv)
@@ -491,7 +495,7 @@ int platform_driver_register(struct platform_driver *drv)
 EXPORT_SYMBOL_GPL(platform_driver_register);
 
 /**
- * platform_driver_unregister
+ * platform_driver_unregister - unregister a driver for platform-level devices
  * @drv: platform driver structure
  */
 void platform_driver_unregister(struct platform_driver *drv)
@@ -548,6 +552,66 @@ int __init_or_module platform_driver_probe(struct platform_driver *drv,
 }
 EXPORT_SYMBOL_GPL(platform_driver_probe);
 
+/**
+ * platform_create_bundle - register driver and create corresponding device
+ * @driver: platform driver structure
+ * @probe: the driver probe routine, probably from an __init section
+ * @res: set of resources that needs to be allocated for the device
+ * @n_res: number of resources
+ * @data: platform specific data for this platform device
+ * @size: size of platform specific data
+ *
+ * Use this in legacy-style modules that probe hardware directly and
+ * register a single platform device and corresponding platform driver.
+ *
+ * Returns &struct platform_device pointer on success, or ERR_PTR() on error.
+ */
+struct platform_device * __init_or_module platform_create_bundle(
+			struct platform_driver *driver,
+			int (*probe)(struct platform_device *),
+			struct resource *res, unsigned int n_res,
+			const void *data, size_t size)
+{
+	struct platform_device *pdev;
+	int error;
+
+	pdev = platform_device_alloc(driver->driver.name, -1);
+	if (!pdev) {
+		error = -ENOMEM;
+		goto err_out;
+	}
+
+	if (res) {
+		error = platform_device_add_resources(pdev, res, n_res);
+		if (error)
+			goto err_pdev_put;
+	}
+
+	if (data) {
+		error = platform_device_add_data(pdev, data, size);
+		if (error)
+			goto err_pdev_put;
+	}
+
+	error = platform_device_add(pdev);
+	if (error)
+		goto err_pdev_put;
+
+	error = platform_driver_probe(driver, probe);
+	if (error)
+		goto err_pdev_del;
+
+	return pdev;
+
+err_pdev_del:
+	platform_device_del(pdev);
+err_pdev_put:
+	platform_device_put(pdev);
+err_out:
+	return ERR_PTR(error);
+}
+EXPORT_SYMBOL_GPL(platform_create_bundle);
+
 /* modalias support enables more hands-off userspace setup:
  * (a) environment variable lets new-style hotplug events work once system is
  *     fully running:  "modprobe $MODALIAS"
@@ -578,7 +642,7 @@ static int platform_uevent(struct device *dev, struct kobj_uevent_env *env)
 }
 
 static const struct platform_device_id *platform_match_id(
-			struct platform_device_id *id,
+			const struct platform_device_id *id,
 			struct platform_device *pdev)
 {
 	while (id->name[0]) {
@@ -994,9 +1058,11 @@ static __initdata LIST_HEAD(early_platform_driver_list);
 static __initdata LIST_HEAD(early_platform_device_list);
 
 /**
- * early_platform_driver_register
+ * early_platform_driver_register - register early platform driver
  * @epdrv: early_platform driver structure
  * @buf: string passed from early_param()
+ *
+ * Helper function for early_platform_init() / early_platform_init_buffer()
  */
 int __init early_platform_driver_register(struct early_platform_driver *epdrv,
 					  char *buf)
@@ -1048,9 +1114,12 @@ int __init early_platform_driver_register(struct early_platform_driver *epdrv,
 }
 
 /**
- * early_platform_add_devices - add a numbers of early platform devices
+ * early_platform_add_devices - adds a number of early platform devices
  * @devs: array of early platform devices to add
  * @num: number of early platform devices in array
+ *
+ * Used by early architecture code to register early platform devices and
+ * their platform data.
  */
 void __init early_platform_add_devices(struct platform_device **devs, int num)
 {
@@ -1070,8 +1139,12 @@ void __init early_platform_add_devices(struct platform_device **devs, int num)
 }
 
 /**
- * early_platform_driver_register_all
+ * early_platform_driver_register_all - register early platform drivers
  * @class_str: string to identify early platform driver class
+ *
+ * Used by architecture code to register all early platform drivers
+ * for a certain class. If omitted then only early platform drivers
+ * with matching kernel command line class parameters will be registered.
  */
 void __init early_platform_driver_register_all(char *class_str)
 {
@@ -1093,7 +1166,7 @@ void __init early_platform_driver_register_all(char *class_str)
 }
 
 /**
- * early_platform_match
+ * early_platform_match - find early platform device matching driver
  * @epdrv: early platform driver structure
  * @id: id to match against
  */
@@ -1111,7 +1184,7 @@ early_platform_match(struct early_platform_driver *epdrv, int id)
 }
 
 /**
- * early_platform_left
+ * early_platform_left - check if early platform driver has matching devices
  * @epdrv: early platform driver structure
  * @id: return true if id or above exists
  */
@@ -1129,7 +1202,7 @@ static  __init int early_platform_left(struct early_platform_driver *epdrv,
 }
 
 /**
- * early_platform_driver_probe_id
+ * early_platform_driver_probe_id - probe drivers matching class_str and id
  * @class_str: string to identify early platform driver class
  * @id: id to match against
  * @nr_probe: number of platform devices to successfully probe before exiting
@@ -1199,10 +1272,14 @@ static int __init early_platform_driver_probe_id(char *class_str,
 }
 
 /**
- * early_platform_driver_probe
+ * early_platform_driver_probe - probe a class of registered drivers
  * @class_str: string to identify early platform driver class
  * @nr_probe: number of platform devices to successfully probe before exiting
  * @user_only: only probe user specified early platform devices
+ *
+ * Used by architecture code to probe registered early platform drivers
+ * within a certain class. For probe to happen a registered early platform
+ * device matching a registered early platform driver is needed.
  */
 int __init early_platform_driver_probe(char *class_str,
 				       int nr_probe,
diff --git a/drivers/base/power/Makefile b/drivers/base/power/Makefile
index 3ce3519e8f30..89de75325cea 100644
--- a/drivers/base/power/Makefile
+++ b/drivers/base/power/Makefile
@@ -1,6 +1,7 @@
 obj-$(CONFIG_PM)	+= sysfs.o
 obj-$(CONFIG_PM_SLEEP)	+= main.o
 obj-$(CONFIG_PM_RUNTIME)	+= runtime.o
+obj-$(CONFIG_PM_OPS)	+= generic_ops.o
 obj-$(CONFIG_PM_TRACE_RTC)	+= trace.o
 
 ccflags-$(CONFIG_DEBUG_DRIVER) := -DDEBUG
diff --git a/drivers/base/power/generic_ops.c b/drivers/base/power/generic_ops.c
new file mode 100644
index 000000000000..4b29d4981253
--- /dev/null
+++ b/drivers/base/power/generic_ops.c
@@ -0,0 +1,233 @@
+/*
+ * drivers/base/power/generic_ops.c - Generic PM callbacks for subsystems
+ *
+ * Copyright (c) 2010 Rafael J. Wysocki <rjw@sisk.pl>, Novell Inc.
+ *
+ * This file is released under the GPLv2.
+ */
+
+#include <linux/pm.h>
+#include <linux/pm_runtime.h>
+
+#ifdef CONFIG_PM_RUNTIME
+/**
+ * pm_generic_runtime_idle - Generic runtime idle callback for subsystems.
+ * @dev: Device to handle.
+ *
+ * If PM operations are defined for the @dev's driver and they include
+ * ->runtime_idle(), execute it and return its error code, if nonzero.
+ * Otherwise, execute pm_runtime_suspend() for the device and return 0.
+ */
+int pm_generic_runtime_idle(struct device *dev)
+{
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+
+	if (pm && pm->runtime_idle) {
+		int ret = pm->runtime_idle(dev);
+		if (ret)
+			return ret;
+	}
+
+	pm_runtime_suspend(dev);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(pm_generic_runtime_idle);
+
+/**
+ * pm_generic_runtime_suspend - Generic runtime suspend callback for subsystems.
+ * @dev: Device to suspend.
+ *
+ * If PM operations are defined for the @dev's driver and they include
+ * ->runtime_suspend(), execute it and return its error code.  Otherwise,
+ * return -EINVAL.
+ */
+int pm_generic_runtime_suspend(struct device *dev)
+{
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+	int ret;
+
+	ret = pm && pm->runtime_suspend ? pm->runtime_suspend(dev) : -EINVAL;
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(pm_generic_runtime_suspend);
+
+/**
+ * pm_generic_runtime_resume - Generic runtime resume callback for subsystems.
+ * @dev: Device to resume.
+ *
+ * If PM operations are defined for the @dev's driver and they include
+ * ->runtime_resume(), execute it and return its error code.  Otherwise,
+ * return -EINVAL.
+ */
+int pm_generic_runtime_resume(struct device *dev)
+{
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+	int ret;
+
+	ret = pm && pm->runtime_resume ? pm->runtime_resume(dev) : -EINVAL;
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(pm_generic_runtime_resume);
+#endif /* CONFIG_PM_RUNTIME */
+
+#ifdef CONFIG_PM_SLEEP
+/**
+ * __pm_generic_call - Generic suspend/freeze/poweroff/thaw subsystem callback.
+ * @dev: Device to handle.
+ * @event: PM transition of the system under way.
+ *
+ * If the device has not been suspended at run time, execute the
+ * suspend/freeze/poweroff/thaw callback provided by its driver, if defined, and
+ * return its error code.  Otherwise, return zero.
+ */
+static int __pm_generic_call(struct device *dev, int event)
+{
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+	int (*callback)(struct device *);
+
+	if (!pm || pm_runtime_suspended(dev))
+		return 0;
+
+	switch (event) {
+	case PM_EVENT_SUSPEND:
+		callback = pm->suspend;
+		break;
+	case PM_EVENT_FREEZE:
+		callback = pm->freeze;
+		break;
+	case PM_EVENT_HIBERNATE:
+		callback = pm->poweroff;
+		break;
+	case PM_EVENT_THAW:
+		callback = pm->thaw;
+		break;
+	default:
+		callback = NULL;
+		break;
+	}
+
+	return callback ? callback(dev) : 0;
+}
+
+/**
+ * pm_generic_suspend - Generic suspend callback for subsystems.
+ * @dev: Device to suspend.
+ */
+int pm_generic_suspend(struct device *dev)
+{
+	return __pm_generic_call(dev, PM_EVENT_SUSPEND);
+}
+EXPORT_SYMBOL_GPL(pm_generic_suspend);
+
+/**
+ * pm_generic_freeze - Generic freeze callback for subsystems.
+ * @dev: Device to freeze.
+ */
+int pm_generic_freeze(struct device *dev)
+{
+	return __pm_generic_call(dev, PM_EVENT_FREEZE);
+}
+EXPORT_SYMBOL_GPL(pm_generic_freeze);
+
+/**
+ * pm_generic_poweroff - Generic poweroff callback for subsystems.
+ * @dev: Device to handle.
+ */
+int pm_generic_poweroff(struct device *dev)
+{
+	return __pm_generic_call(dev, PM_EVENT_HIBERNATE);
+}
+EXPORT_SYMBOL_GPL(pm_generic_poweroff);
+
+/**
+ * pm_generic_thaw - Generic thaw callback for subsystems.
+ * @dev: Device to thaw.
+ */
+int pm_generic_thaw(struct device *dev)
+{
+	return __pm_generic_call(dev, PM_EVENT_THAW);
+}
+EXPORT_SYMBOL_GPL(pm_generic_thaw);
+
+/**
+ * __pm_generic_resume - Generic resume/restore callback for subsystems.
+ * @dev: Device to handle.
+ * @event: PM transition of the system under way.
+ *
+ * Execute the resume/resotre callback provided by the @dev's driver, if
+ * defined.  If it returns 0, change the device's runtime PM status to 'active'.
+ * Return the callback's error code.
+ */
+static int __pm_generic_resume(struct device *dev, int event)
+{
+	const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
+	int (*callback)(struct device *);
+	int ret;
+
+	if (!pm)
+		return 0;
+
+	switch (event) {
+	case PM_EVENT_RESUME:
+		callback = pm->resume;
+		break;
+	case PM_EVENT_RESTORE:
+		callback = pm->restore;
+		break;
+	default:
+		callback = NULL;
+		break;
+	}
+
+	if (!callback)
+		return 0;
+
+	ret = callback(dev);
+	if (!ret) {
+		pm_runtime_disable(dev);
+		pm_runtime_set_active(dev);
+		pm_runtime_enable(dev);
+	}
+
+	return ret;
+}
+
+/**
+ * pm_generic_resume - Generic resume callback for subsystems.
+ * @dev: Device to resume.
+ */
+int pm_generic_resume(struct device *dev)
+{
+	return __pm_generic_resume(dev, PM_EVENT_RESUME);
+}
+EXPORT_SYMBOL_GPL(pm_generic_resume);
+
+/**
+ * pm_generic_restore - Generic restore callback for subsystems.
+ * @dev: Device to restore.
+ */
+int pm_generic_restore(struct device *dev)
+{
+	return __pm_generic_resume(dev, PM_EVENT_RESTORE);
+}
+EXPORT_SYMBOL_GPL(pm_generic_restore);
+#endif /* CONFIG_PM_SLEEP */
+
+struct dev_pm_ops generic_subsys_pm_ops = {
+#ifdef CONFIG_PM_SLEEP
+	.suspend = pm_generic_suspend,
+	.resume = pm_generic_resume,
+	.freeze = pm_generic_freeze,
+	.thaw = pm_generic_thaw,
+	.poweroff = pm_generic_poweroff,
+	.restore = pm_generic_restore,
+#endif
+#ifdef CONFIG_PM_RUNTIME
+	.runtime_suspend = pm_generic_runtime_suspend,
+	.runtime_resume = pm_generic_runtime_resume,
+	.runtime_idle = pm_generic_runtime_idle,
+#endif
+};
+EXPORT_SYMBOL_GPL(generic_subsys_pm_ops);
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 0e26a6f6fd48..941fcb87e52a 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -35,8 +35,8 @@
  * because children are guaranteed to be discovered after parents, and
  * are inserted at the back of the list on discovery.
  *
- * Since device_pm_add() may be called with a device semaphore held,
- * we must never try to acquire a device semaphore while holding
+ * Since device_pm_add() may be called with a device lock held,
+ * we must never try to acquire a device lock while holding
  * dpm_list_mutex.
  */
 
@@ -439,8 +439,23 @@ static int device_resume_noirq(struct device *dev, pm_message_t state)
 	if (dev->bus && dev->bus->pm) {
 		pm_dev_dbg(dev, state, "EARLY ");
 		error = pm_noirq_op(dev, dev->bus->pm, state);
+		if (error)
+			goto End;
 	}
 
+	if (dev->type && dev->type->pm) {
+		pm_dev_dbg(dev, state, "EARLY type ");
+		error = pm_noirq_op(dev, dev->type->pm, state);
+		if (error)
+			goto End;
+	}
+
+	if (dev->class && dev->class->pm) {
+		pm_dev_dbg(dev, state, "EARLY class ");
+		error = pm_noirq_op(dev, dev->class->pm, state);
+	}
+
+End:
 	TRACE_RESUME(error);
 	return error;
 }
@@ -508,7 +523,7 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
 	TRACE_RESUME(0);
 
 	dpm_wait(dev->parent, async);
-	down(&dev->sem);
+	device_lock(dev);
 
 	dev->power.status = DPM_RESUMING;
 
@@ -543,7 +558,7 @@ static int device_resume(struct device *dev, pm_message_t state, bool async)
 		}
 	}
  End:
-	up(&dev->sem);
+	device_unlock(dev);
 	complete_all(&dev->power.completion);
 
 	TRACE_RESUME(error);
@@ -629,7 +644,7 @@ static void dpm_resume(pm_message_t state)
  */
 static void device_complete(struct device *dev, pm_message_t state)
 {
-	down(&dev->sem);
+	device_lock(dev);
 
 	if (dev->class && dev->class->pm && dev->class->pm->complete) {
 		pm_dev_dbg(dev, state, "completing class ");
@@ -646,7 +661,7 @@ static void device_complete(struct device *dev, pm_message_t state)
 		dev->bus->pm->complete(dev);
 	}
 
-	up(&dev->sem);
+	device_unlock(dev);
 }
 
 /**
@@ -735,10 +750,26 @@ static int device_suspend_noirq(struct device *dev, pm_message_t state)
 {
 	int error = 0;
 
+	if (dev->class && dev->class->pm) {
+		pm_dev_dbg(dev, state, "LATE class ");
+		error = pm_noirq_op(dev, dev->class->pm, state);
+		if (error)
+			goto End;
+	}
+
+	if (dev->type && dev->type->pm) {
+		pm_dev_dbg(dev, state, "LATE type ");
+		error = pm_noirq_op(dev, dev->type->pm, state);
+		if (error)
+			goto End;
+	}
+
 	if (dev->bus && dev->bus->pm) {
 		pm_dev_dbg(dev, state, "LATE ");
 		error = pm_noirq_op(dev, dev->bus->pm, state);
 	}
+
+End:
 	return error;
 }
 
@@ -809,7 +840,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
 	int error = 0;
 
 	dpm_wait_for_children(dev, async);
-	down(&dev->sem);
+	device_lock(dev);
 
 	if (async_error)
 		goto End;
@@ -849,7 +880,7 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
 		dev->power.status = DPM_OFF;
 
  End:
-	up(&dev->sem);
+	device_unlock(dev);
 	complete_all(&dev->power.completion);
 
 	return error;
@@ -938,7 +969,7 @@ static int device_prepare(struct device *dev, pm_message_t state)
 {
 	int error = 0;
 
-	down(&dev->sem);
+	device_lock(dev);
 
 	if (dev->bus && dev->bus->pm && dev->bus->pm->prepare) {
 		pm_dev_dbg(dev, state, "preparing ");
@@ -962,7 +993,7 @@ static int device_prepare(struct device *dev, pm_message_t state)
 		suspend_report_result(dev->class->pm->prepare, error);
 	}
  End:
-	up(&dev->sem);
+	device_unlock(dev);
 
 	return error;
 }
diff --git a/drivers/base/sys.c b/drivers/base/sys.c
index 0d903909af7e..8980feec5d14 100644
--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -54,7 +54,7 @@ sysdev_store(struct kobject *kobj, struct attribute *attr,
 	return -EIO;
 }
 
-static struct sysfs_ops sysfs_ops = {
+static const struct sysfs_ops sysfs_ops = {
 	.show	= sysdev_show,
 	.store	= sysdev_store,
 };
@@ -89,7 +89,7 @@ static ssize_t sysdev_class_show(struct kobject *kobj, struct attribute *attr,
 	struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr);
 
 	if (class_attr->show)
-		return class_attr->show(class, buffer);
+		return class_attr->show(class, class_attr, buffer);
 	return -EIO;
 }
 
@@ -100,11 +100,11 @@ static ssize_t sysdev_class_store(struct kobject *kobj, struct attribute *attr,
 	struct sysdev_class_attribute *class_attr = to_sysdev_class_attr(attr);
 
 	if (class_attr->store)
-		return class_attr->store(class, buffer, count);
+		return class_attr->store(class, class_attr, buffer, count);
 	return -EIO;
 }
 
-static struct sysfs_ops sysfs_class_ops = {
+static const struct sysfs_ops sysfs_class_ops = {
 	.show	= sysdev_class_show,
 	.store	= sysdev_class_store,
 };
@@ -145,13 +145,20 @@ int sysdev_class_register(struct sysdev_class *cls)
 	if (retval)
 		return retval;
 
-	return kset_register(&cls->kset);
+	retval = kset_register(&cls->kset);
+	if (!retval && cls->attrs)
+		retval = sysfs_create_files(&cls->kset.kobj,
+					    (const struct attribute **)cls->attrs);
+	return retval;
 }
 
 void sysdev_class_unregister(struct sysdev_class *cls)
 {
 	pr_debug("Unregistering sysdev class '%s'\n",
 		 kobject_name(&cls->kset.kobj));
+	if (cls->attrs)
+		sysfs_remove_files(&cls->kset.kobj,
+				   (const struct attribute **)cls->attrs);
 	kset_unregister(&cls->kset);
 }
 
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index 2bf3a6ef3684..d9301e861d9f 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -95,7 +95,7 @@ extern char usermode_helper[];
 
 /* All EEs on the free list should have ID_VACANT (== 0)
  * freshly allocated EEs get !ID_VACANT (== 1)
- * so if it says "cannot dereference null pointer at adress 0x00000001",
+ * so if it says "cannot dereference null pointer at address 0x00000001",
  * it is most likely one of these :( */
 
 #define ID_IN_SYNC      (4711ULL)
@@ -1171,7 +1171,7 @@ extern int drbd_bitmap_io(struct drbd_conf *mdev, int (*io_fn)(struct drbd_conf
 /* Meta data layout
    We reserve a 128MB Block (4k aligned)
    * either at the end of the backing device
-   * or on a seperate meta data device. */
+   * or on a separate meta data device. */
 
 #define MD_RESERVED_SECT (128LU << 11)  /* 128 MB, unit sectors */
 /* The following numbers are sectors */
diff --git a/drivers/block/drbd/drbd_req.h b/drivers/block/drbd/drbd_req.h
index f22c1bc8ec7e..16119d7056cc 100644
--- a/drivers/block/drbd/drbd_req.h
+++ b/drivers/block/drbd/drbd_req.h
@@ -57,7 +57,7 @@
  *
  *  It may me handed over to the local disk subsystem.
  *  It may be completed by the local disk subsystem,
- *    either sucessfully or with io-error.
+ *    either successfully or with io-error.
  *  In case it is a READ request, and it failed locally,
  *    it may be retried remotely.
  *
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index b9b117059b62..90c4038702da 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -144,13 +144,23 @@
  * Better audit of register_blkdev.
  */
 
-#define FLOPPY_SANITY_CHECK
 #undef  FLOPPY_SILENT_DCL_CLEAR
 
 #define REALLY_SLOW_IO
 
 #define DEBUGT 2
-#define DCL_DEBUG	/* debug disk change line */
+
+#define DPRINT(format, args...) \
+	pr_info("floppy%d: " format, current_drive, ##args)
+
+#define DCL_DEBUG		/* debug disk change line */
+#ifdef DCL_DEBUG
+#define debug_dcl(test, fmt, args...) \
+	do { if ((test) & FD_DEBUG) DPRINT(fmt, ##args); } while (0)
+#else
+#define debug_dcl(test, fmt, args...) \
+	do { if (0) DPRINT(fmt, ##args); } while (0)
+#endif
 
 /* do print messages for unexpected interrupts */
 static int print_unex = 1;
@@ -180,6 +190,8 @@ static int print_unex = 1;
 #include <linux/mod_devicetable.h>
 #include <linux/buffer_head.h>	/* for invalidate_buffers() */
 #include <linux/mutex.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
 
 /*
  * PS/2 floppies have much slower step rates than regular floppies.
@@ -191,8 +203,6 @@ static int slow_floppy;
 #include <asm/dma.h>
 #include <asm/irq.h>
 #include <asm/system.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
 
 static int FLOPPY_IRQ = 6;
 static int FLOPPY_DMA = 2;
@@ -241,8 +251,6 @@ static int allowed_drive_mask = 0x33;
 
 static int irqdma_allocated;
 
-#define DEVICE_NAME "floppy"
-
 #include <linux/blkdev.h>
 #include <linux/blkpg.h>
 #include <linux/cdrom.h>	/* for the compatibility eject ioctl */
@@ -250,7 +258,7 @@ static int irqdma_allocated;
 
 static struct request *current_req;
 static struct request_queue *floppy_queue;
-static void do_fd_request(struct request_queue * q);
+static void do_fd_request(struct request_queue *q);
 
 #ifndef fd_get_dma_residue
 #define fd_get_dma_residue() get_dma_residue(FLOPPY_DMA)
@@ -263,7 +271,7 @@ static void do_fd_request(struct request_queue * q);
 #endif
 
 #ifndef fd_dma_mem_alloc
-#define fd_dma_mem_alloc(size) __get_dma_pages(GFP_KERNEL,get_order(size))
+#define fd_dma_mem_alloc(size) __get_dma_pages(GFP_KERNEL, get_order(size))
 #endif
 
 static inline void fallback_on_nodma_alloc(char **addr, size_t l)
@@ -273,7 +281,7 @@ static inline void fallback_on_nodma_alloc(char **addr, size_t l)
 		return;		/* we have the memory */
 	if (can_use_virtual_dma != 2)
 		return;		/* no fallback allowed */
-	printk("DMA memory shortage. Temporarily falling back on virtual DMA\n");
+	pr_info("DMA memory shortage. Temporarily falling back on virtual DMA\n");
 	*addr = (char *)nodma_mem_alloc(l);
 #else
 	return;
@@ -283,59 +291,50 @@ static inline void fallback_on_nodma_alloc(char **addr, size_t l)
 /* End dma memory related stuff */
 
 static unsigned long fake_change;
-static int initialising = 1;
+static bool initialized;
 
-#define ITYPE(x) (((x)>>2) & 0x1f)
-#define TOMINOR(x) ((x & 3) | ((x & 4) << 5))
-#define UNIT(x) ((x) & 0x03)	/* drive on fdc */
-#define FDC(x) (((x) & 0x04) >> 2)	/* fdc of drive */
+#define ITYPE(x)	(((x) >> 2) & 0x1f)
+#define TOMINOR(x)	((x & 3) | ((x & 4) << 5))
+#define UNIT(x)		((x) & 0x03)		/* drive on fdc */
+#define FDC(x)		(((x) & 0x04) >> 2)	/* fdc of drive */
 	/* reverse mapping from unit and fdc to drive */
 #define REVDRIVE(fdc, unit) ((unit) + ((fdc) << 2))
-#define DP (&drive_params[current_drive])
-#define DRS (&drive_state[current_drive])
-#define DRWE (&write_errors[current_drive])
-#define FDCS (&fdc_state[fdc])
-#define CLEARF(x) clear_bit(x##_BIT, &DRS->flags)
-#define SETF(x) set_bit(x##_BIT, &DRS->flags)
-#define TESTF(x) test_bit(x##_BIT, &DRS->flags)
 
-#define UDP (&drive_params[drive])
-#define UDRS (&drive_state[drive])
-#define UDRWE (&write_errors[drive])
-#define UFDCS (&fdc_state[FDC(drive)])
-#define UCLEARF(x) clear_bit(x##_BIT, &UDRS->flags)
-#define USETF(x) set_bit(x##_BIT, &UDRS->flags)
-#define UTESTF(x) test_bit(x##_BIT, &UDRS->flags)
+#define DP	(&drive_params[current_drive])
+#define DRS	(&drive_state[current_drive])
+#define DRWE	(&write_errors[current_drive])
+#define FDCS	(&fdc_state[fdc])
 
-#define DPRINT(format, args...) printk(DEVICE_NAME "%d: " format, current_drive , ## args)
+#define UDP	(&drive_params[drive])
+#define UDRS	(&drive_state[drive])
+#define UDRWE	(&write_errors[drive])
+#define UFDCS	(&fdc_state[FDC(drive)])
 
-#define PH_HEAD(floppy,head) (((((floppy)->stretch & 2) >>1) ^ head) << 2)
-#define STRETCH(floppy) ((floppy)->stretch & FD_STRETCH)
-
-#define CLEARSTRUCT(x) memset((x), 0, sizeof(*(x)))
+#define PH_HEAD(floppy, head) (((((floppy)->stretch & 2) >> 1) ^ head) << 2)
+#define STRETCH(floppy)	((floppy)->stretch & FD_STRETCH)
 
 /* read/write */
-#define COMMAND raw_cmd->cmd[0]
-#define DR_SELECT raw_cmd->cmd[1]
-#define TRACK raw_cmd->cmd[2]
-#define HEAD raw_cmd->cmd[3]
-#define SECTOR raw_cmd->cmd[4]
-#define SIZECODE raw_cmd->cmd[5]
-#define SECT_PER_TRACK raw_cmd->cmd[6]
-#define GAP raw_cmd->cmd[7]
-#define SIZECODE2 raw_cmd->cmd[8]
+#define COMMAND		(raw_cmd->cmd[0])
+#define DR_SELECT	(raw_cmd->cmd[1])
+#define TRACK		(raw_cmd->cmd[2])
+#define HEAD		(raw_cmd->cmd[3])
+#define SECTOR		(raw_cmd->cmd[4])
+#define SIZECODE	(raw_cmd->cmd[5])
+#define SECT_PER_TRACK	(raw_cmd->cmd[6])
+#define GAP		(raw_cmd->cmd[7])
+#define SIZECODE2	(raw_cmd->cmd[8])
 #define NR_RW 9
 
 /* format */
-#define F_SIZECODE raw_cmd->cmd[2]
-#define F_SECT_PER_TRACK raw_cmd->cmd[3]
-#define F_GAP raw_cmd->cmd[4]
-#define F_FILL raw_cmd->cmd[5]
+#define F_SIZECODE	(raw_cmd->cmd[2])
+#define F_SECT_PER_TRACK (raw_cmd->cmd[3])
+#define F_GAP		(raw_cmd->cmd[4])
+#define F_FILL		(raw_cmd->cmd[5])
 #define NR_F 6
 
 /*
- * Maximum disk size (in kilobytes). This default is used whenever the
- * current disk size is unknown.
+ * Maximum disk size (in kilobytes).
+ * This default is used whenever the current disk size is unknown.
  * [Now it is rather a minimum]
  */
 #define MAX_DISK_SIZE 4		/* 3984 */
@@ -345,16 +344,17 @@ static int initialising = 1;
  */
 #define MAX_REPLIES 16
 static unsigned char reply_buffer[MAX_REPLIES];
-static int inr;			/* size of reply buffer, when called from interrupt */
-#define ST0 (reply_buffer[0])
-#define ST1 (reply_buffer[1])
-#define ST2 (reply_buffer[2])
-#define ST3 (reply_buffer[0])	/* result of GETSTATUS */
-#define R_TRACK (reply_buffer[3])
-#define R_HEAD (reply_buffer[4])
-#define R_SECTOR (reply_buffer[5])
-#define R_SIZECODE (reply_buffer[6])
-#define SEL_DLY (2*HZ/100)
+static int inr;		/* size of reply buffer, when called from interrupt */
+#define ST0		(reply_buffer[0])
+#define ST1		(reply_buffer[1])
+#define ST2		(reply_buffer[2])
+#define ST3		(reply_buffer[0])	/* result of GETSTATUS */
+#define R_TRACK		(reply_buffer[3])
+#define R_HEAD		(reply_buffer[4])
+#define R_SECTOR	(reply_buffer[5])
+#define R_SIZECODE	(reply_buffer[6])
+
+#define SEL_DLY		(2 * HZ / 100)
 
 /*
  * this struct defines the different floppy drive types.
@@ -505,9 +505,9 @@ static char floppy_device_name[] = "floppy";
 static int probing;
 
 /* Synchronization of FDC access. */
-#define FD_COMMAND_NONE -1
-#define FD_COMMAND_ERROR 2
-#define FD_COMMAND_OKAY 3
+#define FD_COMMAND_NONE		-1
+#define FD_COMMAND_ERROR	2
+#define FD_COMMAND_OKAY		3
 
 static volatile int command_status = FD_COMMAND_NONE;
 static unsigned long fdc_busy;
@@ -515,11 +515,6 @@ static DECLARE_WAIT_QUEUE_HEAD(fdc_wait);
 static DECLARE_WAIT_QUEUE_HEAD(command_done);
 
 #define NO_SIGNAL (!interruptible || !signal_pending(current))
-#define CALL(x) if ((x) == -EINTR) return -EINTR
-#define ECALL(x) if ((ret = (x))) return ret;
-#define _WAIT(x,i) CALL(ret=wait_til_done((x),i))
-#define WAIT(x) _WAIT((x),interruptible)
-#define IWAIT(x) _WAIT((x),1)
 
 /* Errors during formatting are counted here. */
 static int format_errors;
@@ -545,8 +540,9 @@ static int max_buffer_sectors;
 static int *errors;
 typedef void (*done_f)(int);
 static struct cont_t {
-	void (*interrupt)(void);	/* this is called after the interrupt of the
-					 * main command */
+	void (*interrupt)(void);
+				/* this is called after the interrupt of the
+				 * main command */
 	void (*redo)(void);	/* this is called to retry the operation */
 	void (*error)(void);	/* this is called to tally an error */
 	done_f done;		/* this is called to say if the operation has
@@ -571,7 +567,6 @@ static void floppy_release_irq_and_dma(void);
  * reset doesn't need to be tested before sending commands, because
  * output_byte is automatically disabled when reset is set.
  */
-#define CHECK_RESET { if (FDCS->reset){ reset_fdc(); return; } }
 static void reset_fdc(void);
 
 /*
@@ -579,9 +574,9 @@ static void reset_fdc(void);
  * information to interrupts. They are the data used for the current
  * request.
  */
-#define NO_TRACK -1
-#define NEED_1_RECAL -2
-#define NEED_2_RECAL -3
+#define NO_TRACK	-1
+#define NEED_1_RECAL	-2
+#define NEED_2_RECAL	-3
 
 static int usage_count;
 
@@ -621,39 +616,35 @@ static inline void set_debugt(void)
 	debugtimer = jiffies;
 }
 
-static inline void debugt(const char *message)
+static inline void debugt(const char *func, const char *msg)
 {
 	if (DP->flags & DEBUGT)
-		printk("%s dtime=%lu\n", message, jiffies - debugtimer);
+		pr_info("%s:%s dtime=%lu\n", func, msg, jiffies - debugtimer);
 }
 #else
 static inline void set_debugt(void) { }
-static inline void debugt(const char *message) { }
+static inline void debugt(const char *func, const char *msg) { }
 #endif /* DEBUGT */
 
-typedef void (*timeout_fn) (unsigned long);
+typedef void (*timeout_fn)(unsigned long);
 static DEFINE_TIMER(fd_timeout, floppy_shutdown, 0, 0);
 
 static const char *timeout_message;
 
-#ifdef FLOPPY_SANITY_CHECK
-static void is_alive(const char *message)
+static void is_alive(const char *func, const char *message)
 {
 	/* this routine checks whether the floppy driver is "alive" */
-	if (test_bit(0, &fdc_busy) && command_status < 2
-	    && !timer_pending(&fd_timeout)) {
-		DPRINT("timeout handler died: %s\n", message);
+	if (test_bit(0, &fdc_busy) && command_status < 2 &&
+	    !timer_pending(&fd_timeout)) {
+		DPRINT("%s: timeout handler died.  %s\n", func, message);
 	}
 }
-#endif
 
-static void (*do_floppy) (void) = NULL;
-
-#ifdef FLOPPY_SANITY_CHECK
+static void (*do_floppy)(void) = NULL;
 
 #define OLOGSIZE 20
 
-static void (*lasthandler) (void);
+static void (*lasthandler)(void);
 static unsigned long interruptjiffies;
 static unsigned long resultjiffies;
 static int resultsize;
@@ -666,12 +657,11 @@ static struct output_log {
 } output_log[OLOGSIZE];
 
 static int output_log_pos;
-#endif
 
 #define current_reqD -1
 #define MAXTIMEOUT -2
 
-static void __reschedule_timeout(int drive, const char *message, int marg)
+static void __reschedule_timeout(int drive, const char *message)
 {
 	if (drive == current_reqD)
 		drive = current_drive;
@@ -682,25 +672,22 @@ static void __reschedule_timeout(int drive, const char *message, int marg)
 	} else
 		fd_timeout.expires = jiffies + UDP->timeout;
 	add_timer(&fd_timeout);
-	if (UDP->flags & FD_DEBUG) {
-		DPRINT("reschedule timeout ");
-		printk(message, marg);
-		printk("\n");
-	}
+	if (UDP->flags & FD_DEBUG)
+		DPRINT("reschedule timeout %s\n", message);
 	timeout_message = message;
 }
 
-static void reschedule_timeout(int drive, const char *message, int marg)
+static void reschedule_timeout(int drive, const char *message)
 {
 	unsigned long flags;
 
 	spin_lock_irqsave(&floppy_lock, flags);
-	__reschedule_timeout(drive, message, marg);
+	__reschedule_timeout(drive, message);
 	spin_unlock_irqrestore(&floppy_lock, flags);
 }
 
-#define INFBOUND(a,b) (a)=max_t(int, a, b)
-#define SUPBOUND(a,b) (a)=min_t(int, a, b)
+#define INFBOUND(a, b) (a) = max_t(int, a, b)
+#define SUPBOUND(a, b) (a) = min_t(int, a, b)
 
 /*
  * Bottom half floppy driver.
@@ -739,7 +726,6 @@ static int disk_change(int drive)
 {
 	int fdc = FDC(drive);
 
-#ifdef FLOPPY_SANITY_CHECK
 	if (time_before(jiffies, UDRS->select_date + UDP->select_delay))
 		DPRINT("WARNING disk change called early\n");
 	if (!(FDCS->dor & (0x10 << UNIT(drive))) ||
@@ -748,31 +734,27 @@ static int disk_change(int drive)
 		DPRINT("drive=%d fdc=%d dor=%x\n", drive, FDC(drive),
 		       (unsigned int)FDCS->dor);
 	}
-#endif
 
-#ifdef DCL_DEBUG
-	if (UDP->flags & FD_DEBUG) {
-		DPRINT("checking disk change line for drive %d\n", drive);
-		DPRINT("jiffies=%lu\n", jiffies);
-		DPRINT("disk change line=%x\n", fd_inb(FD_DIR) & 0x80);
-		DPRINT("flags=%lx\n", UDRS->flags);
-	}
-#endif
+	debug_dcl(UDP->flags,
+		  "checking disk change line for drive %d\n", drive);
+	debug_dcl(UDP->flags, "jiffies=%lu\n", jiffies);
+	debug_dcl(UDP->flags, "disk change line=%x\n", fd_inb(FD_DIR) & 0x80);
+	debug_dcl(UDP->flags, "flags=%lx\n", UDRS->flags);
+
 	if (UDP->flags & FD_BROKEN_DCL)
-		return UTESTF(FD_DISK_CHANGED);
+		return test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
 	if ((fd_inb(FD_DIR) ^ UDP->flags) & 0x80) {
-		USETF(FD_VERIFY);	/* verify write protection */
-		if (UDRS->maxblock) {
-			/* mark it changed */
-			USETF(FD_DISK_CHANGED);
-		}
+		set_bit(FD_VERIFY_BIT, &UDRS->flags);
+					/* verify write protection */
+
+		if (UDRS->maxblock)	/* mark it changed */
+			set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
 
 		/* invalidate its geometry */
 		if (UDRS->keep_data >= 0) {
 			if ((UDP->flags & FTD_MSG) &&
 			    current_type[drive] != NULL)
-				DPRINT("Disk type is undefined after "
-				       "disk change\n");
+				DPRINT("Disk type is undefined after disk change\n");
 			current_type[drive] = NULL;
 			floppy_sizes[TOMINOR(drive)] = MAX_DISK_SIZE << 1;
 		}
@@ -780,7 +762,7 @@ static int disk_change(int drive)
 		return 1;
 	} else {
 		UDRS->last_checked = jiffies;
-		UCLEARF(FD_DISK_NEWCHANGE);
+		clear_bit(FD_DISK_NEWCHANGE_BIT, &UDRS->flags);
 	}
 	return 0;
 }
@@ -790,6 +772,12 @@ static inline int is_selected(int dor, int unit)
 	return ((dor & (0x10 << unit)) && (dor & 3) == unit);
 }
 
+static bool is_ready_state(int status)
+{
+	int state = status & (STATUS_READY | STATUS_DIR | STATUS_DMA);
+	return state == STATUS_READY;
+}
+
 static int set_dor(int fdc, char mask, char data)
 {
 	unsigned char unit;
@@ -806,11 +794,8 @@ static int set_dor(int fdc, char mask, char data)
 		unit = olddor & 0x3;
 		if (is_selected(olddor, unit) && !is_selected(newdor, unit)) {
 			drive = REVDRIVE(fdc, unit);
-#ifdef DCL_DEBUG
-			if (UDP->flags & FD_DEBUG) {
-				DPRINT("calling disk change from set_dor\n");
-			}
-#endif
+			debug_dcl(UDP->flags,
+				  "calling disk change from set_dor\n");
 			disk_change(drive);
 		}
 		FDCS->dor = newdor;
@@ -834,8 +819,10 @@ static void twaddle(void)
 	DRS->select_date = jiffies;
 }
 
-/* reset all driver information about the current fdc. This is needed after
- * a reset, and after a raw command. */
+/*
+ * Reset all driver information about the current fdc.
+ * This is needed after a reset, and after a raw command.
+ */
 static void reset_fdc_info(int mode)
 {
 	int drive;
@@ -857,7 +844,7 @@ static void set_fdc(int drive)
 		current_drive = drive;
 	}
 	if (fdc != 1 && fdc != 0) {
-		printk("bad fdc value\n");
+		pr_info("bad fdc value\n");
 		return;
 	}
 	set_dor(fdc, ~0, 8);
@@ -871,11 +858,10 @@ static void set_fdc(int drive)
 }
 
 /* locks the driver */
-static int _lock_fdc(int drive, int interruptible, int line)
+static int _lock_fdc(int drive, bool interruptible, int line)
 {
 	if (!usage_count) {
-		printk(KERN_ERR
-		       "Trying to lock fdc while usage count=0 at line %d\n",
+		pr_err("Trying to lock fdc while usage count=0 at line %d\n",
 		       line);
 		return -1;
 	}
@@ -904,15 +890,13 @@ static int _lock_fdc(int drive, int interruptible, int line)
 	}
 	command_status = FD_COMMAND_NONE;
 
-	__reschedule_timeout(drive, "lock fdc", 0);
+	__reschedule_timeout(drive, "lock fdc");
 	set_fdc(drive);
 	return 0;
 }
 
-#define lock_fdc(drive,interruptible) _lock_fdc(drive,interruptible, __LINE__)
-
-#define LOCK_FDC(drive,interruptible) \
-if (lock_fdc(drive,interruptible)) return -EINTR;
+#define lock_fdc(drive, interruptible)			\
+	_lock_fdc(drive, interruptible, __LINE__)
 
 /* unlocks the driver */
 static inline void unlock_fdc(void)
@@ -924,7 +908,7 @@ static inline void unlock_fdc(void)
 		DPRINT("FDC access conflict!\n");
 
 	if (do_floppy)
-		DPRINT("device interrupt still active at FDC release: %p!\n",
+		DPRINT("device interrupt still active at FDC release: %pf!\n",
 		       do_floppy);
 	command_status = FD_COMMAND_NONE;
 	spin_lock_irqsave(&floppy_lock, flags);
@@ -1003,7 +987,7 @@ static void empty(void)
 
 static DECLARE_WORK(floppy_work, NULL);
 
-static void schedule_bh(void (*handler) (void))
+static void schedule_bh(void (*handler)(void))
 {
 	PREPARE_WORK(&floppy_work, (work_func_t)handler);
 	schedule_work(&floppy_work);
@@ -1026,11 +1010,7 @@ static void cancel_activity(void)
  * transfer */
 static void fd_watchdog(void)
 {
-#ifdef DCL_DEBUG
-	if (DP->flags & FD_DEBUG) {
-		DPRINT("calling disk change from watchdog\n");
-	}
-#endif
+	debug_dcl(DP->flags, "calling disk change from watchdog\n");
 
 	if (disk_change(current_drive)) {
 		DPRINT("disk removed during i/o\n");
@@ -1039,7 +1019,7 @@ static void fd_watchdog(void)
 		reset_fdc();
 	} else {
 		del_timer(&fd_timer);
-		fd_timer.function = (timeout_fn) fd_watchdog;
+		fd_timer.function = (timeout_fn)fd_watchdog;
 		fd_timer.expires = jiffies + HZ / 10;
 		add_timer(&fd_timer);
 	}
@@ -1105,25 +1085,23 @@ static void setup_DMA(void)
 {
 	unsigned long f;
 
-#ifdef FLOPPY_SANITY_CHECK
 	if (raw_cmd->length == 0) {
 		int i;
 
-		printk("zero dma transfer size:");
+		pr_info("zero dma transfer size:");
 		for (i = 0; i < raw_cmd->cmd_count; i++)
-			printk("%x,", raw_cmd->cmd[i]);
-		printk("\n");
+			pr_cont("%x,", raw_cmd->cmd[i]);
+		pr_cont("\n");
 		cont->done(0);
 		FDCS->reset = 1;
 		return;
 	}
 	if (((unsigned long)raw_cmd->kernel_data) % 512) {
-		printk("non aligned address: %p\n", raw_cmd->kernel_data);
+		pr_info("non aligned address: %p\n", raw_cmd->kernel_data);
 		cont->done(0);
 		FDCS->reset = 1;
 		return;
 	}
-#endif
 	f = claim_dma_lock();
 	fd_disable_dma();
 #ifdef fd_dma_setup
@@ -1165,7 +1143,7 @@ static int wait_til_ready(void)
 		if (status & STATUS_READY)
 			return status;
 	}
-	if (!initialising) {
+	if (initialized) {
 		DPRINT("Getstatus times out (%x) on fdc %d\n", status, fdc);
 		show_floppy();
 	}
@@ -1176,22 +1154,21 @@ static int wait_til_ready(void)
 /* sends a command byte to the fdc */
 static int output_byte(char byte)
 {
-	int status;
+	int status = wait_til_ready();
 
-	if ((status = wait_til_ready()) < 0)
+	if (status < 0)
 		return -1;
-	if ((status & (STATUS_READY | STATUS_DIR | STATUS_DMA)) == STATUS_READY) {
+
+	if (is_ready_state(status)) {
 		fd_outb(byte, FD_DATA);
-#ifdef FLOPPY_SANITY_CHECK
 		output_log[output_log_pos].data = byte;
 		output_log[output_log_pos].status = status;
 		output_log[output_log_pos].jiffies = jiffies;
 		output_log_pos = (output_log_pos + 1) % OLOGSIZE;
-#endif
 		return 0;
 	}
 	FDCS->reset = 1;
-	if (!initialising) {
+	if (initialized) {
 		DPRINT("Unable to send byte %x to FDC. Fdc=%x Status=%x\n",
 		       byte, fdc, status);
 		show_floppy();
@@ -1199,8 +1176,6 @@ static int output_byte(char byte)
 	return -1;
 }
 
-#define LAST_OUT(x) if (output_byte(x)<0){ reset_fdc();return;}
-
 /* gets the response from the fdc */
 static int result(void)
 {
@@ -1208,14 +1183,13 @@ static int result(void)
 	int status = 0;
 
 	for (i = 0; i < MAX_REPLIES; i++) {
-		if ((status = wait_til_ready()) < 0)
+		status = wait_til_ready();
+		if (status < 0)
 			break;
 		status &= STATUS_DIR | STATUS_READY | STATUS_BUSY | STATUS_DMA;
 		if ((status & ~STATUS_BUSY) == STATUS_READY) {
-#ifdef FLOPPY_SANITY_CHECK
 			resultjiffies = jiffies;
 			resultsize = i;
-#endif
 			return i;
 		}
 		if (status == (STATUS_DIR | STATUS_READY | STATUS_BUSY))
@@ -1223,10 +1197,9 @@ static int result(void)
 		else
 			break;
 	}
-	if (!initialising) {
-		DPRINT
-		    ("get result error. Fdc=%d Last status=%x Read bytes=%d\n",
-		     fdc, status, i);
+	if (initialized) {
+		DPRINT("get result error. Fdc=%d Last status=%x Read bytes=%d\n",
+		       fdc, status, i);
 		show_floppy();
 	}
 	FDCS->reset = 1;
@@ -1237,12 +1210,14 @@ static int result(void)
 /* does the fdc need more output? */
 static int need_more_output(void)
 {
-	int status;
+	int status = wait_til_ready();
 
-	if ((status = wait_til_ready()) < 0)
+	if (status < 0)
 		return -1;
-	if ((status & (STATUS_READY | STATUS_DIR | STATUS_DMA)) == STATUS_READY)
+
+	if (is_ready_state(status))
 		return MORE_OUTPUT;
+
 	return result();
 }
 
@@ -1264,9 +1239,12 @@ static inline void perpendicular_mode(void)
 		default:
 			DPRINT("Invalid data rate for perpendicular mode!\n");
 			cont->done(0);
-			FDCS->reset = 1;	/* convenient way to return to
-						 * redo without to much hassle (deep
-						 * stack et al. */
+			FDCS->reset = 1;
+					/*
+					 * convenient way to return to
+					 * redo without too much hassle
+					 * (deep stack et al.)
+					 */
 			return;
 		}
 	} else
@@ -1366,9 +1344,9 @@ static void fdc_specify(void)
 
 	/* Convert step rate from microseconds to milliseconds and 4 bits */
 	srt = 16 - DIV_ROUND_UP(DP->srt * scale_dtr / 1000, NOMINAL_DTR);
-	if (slow_floppy) {
+	if (slow_floppy)
 		srt = srt / 4;
-	}
+
 	SUPBOUND(srt, 0xf);
 	INFBOUND(srt, 0);
 
@@ -1415,16 +1393,46 @@ static int fdc_dtr(void)
 	 * Pause 5 msec to avoid trouble. (Needs to be 2 jiffies)
 	 */
 	FDCS->dtr = raw_cmd->rate & 3;
-	return (fd_wait_for_completion(jiffies + 2UL * HZ / 100,
-				       (timeout_fn) floppy_ready));
+	return fd_wait_for_completion(jiffies + 2UL * HZ / 100,
+				      (timeout_fn)floppy_ready);
 }				/* fdc_dtr */
 
 static void tell_sector(void)
 {
-	printk(": track %d, head %d, sector %d, size %d",
-	       R_TRACK, R_HEAD, R_SECTOR, R_SIZECODE);
+	pr_cont(": track %d, head %d, sector %d, size %d",
+		R_TRACK, R_HEAD, R_SECTOR, R_SIZECODE);
 }				/* tell_sector */
 
+static void print_errors(void)
+{
+	DPRINT("");
+	if (ST0 & ST0_ECE) {
+		pr_cont("Recalibrate failed!");
+	} else if (ST2 & ST2_CRC) {
+		pr_cont("data CRC error");
+		tell_sector();
+	} else if (ST1 & ST1_CRC) {
+		pr_cont("CRC error");
+		tell_sector();
+	} else if ((ST1 & (ST1_MAM | ST1_ND)) ||
+		   (ST2 & ST2_MAM)) {
+		if (!probing) {
+			pr_cont("sector not found");
+			tell_sector();
+		} else
+			pr_cont("probe failed...");
+	} else if (ST2 & ST2_WC) {	/* seek error */
+		pr_cont("wrong cylinder");
+	} else if (ST2 & ST2_BC) {	/* cylinder marked as bad */
+		pr_cont("bad cylinder");
+	} else {
+		pr_cont("unknown error. ST[0..2] are: 0x%x 0x%x 0x%x",
+			ST0, ST1, ST2);
+		tell_sector();
+	}
+	pr_cont("\n");
+}
+
 /*
  * OK, this error interpreting routine is called after a
  * DMA read/write has succeeded
@@ -1437,7 +1445,7 @@ static int interpret_errors(void)
 	char bad;
 
 	if (inr != 7) {
-		DPRINT("-- FDC reply error");
+		DPRINT("-- FDC reply error\n");
 		FDCS->reset = 1;
 		return 1;
 	}
@@ -1450,43 +1458,17 @@ static int interpret_errors(void)
 		bad = 1;
 		if (ST1 & ST1_WP) {
 			DPRINT("Drive is write protected\n");
-			CLEARF(FD_DISK_WRITABLE);
+			clear_bit(FD_DISK_WRITABLE_BIT, &DRS->flags);
 			cont->done(0);
 			bad = 2;
 		} else if (ST1 & ST1_ND) {
-			SETF(FD_NEED_TWADDLE);
+			set_bit(FD_NEED_TWADDLE_BIT, &DRS->flags);
 		} else if (ST1 & ST1_OR) {
 			if (DP->flags & FTD_MSG)
 				DPRINT("Over/Underrun - retrying\n");
 			bad = 0;
 		} else if (*errors >= DP->max_errors.reporting) {
-			DPRINT("");
-			if (ST0 & ST0_ECE) {
-				printk("Recalibrate failed!");
-			} else if (ST2 & ST2_CRC) {
-				printk("data CRC error");
-				tell_sector();
-			} else if (ST1 & ST1_CRC) {
-				printk("CRC error");
-				tell_sector();
-			} else if ((ST1 & (ST1_MAM | ST1_ND))
-				   || (ST2 & ST2_MAM)) {
-				if (!probing) {
-					printk("sector not found");
-					tell_sector();
-				} else
-					printk("probe failed...");
-			} else if (ST2 & ST2_WC) {	/* seek error */
-				printk("wrong cylinder");
-			} else if (ST2 & ST2_BC) {	/* cylinder marked as bad */
-				printk("bad cylinder");
-			} else {
-				printk
-				    ("unknown error. ST[0..2] are: 0x%x 0x%x 0x%x",
-				     ST0, ST1, ST2);
-				tell_sector();
-			}
-			printk("\n");
+			print_errors();
 		}
 		if (ST2 & ST2_WC || ST2 & ST2_BC)
 			/* wrong cylinder => recal */
@@ -1531,9 +1513,9 @@ static void setup_rw_floppy(void)
 		 */
 		if (time_after(ready_date, jiffies + DP->select_delay)) {
 			ready_date -= DP->select_delay;
-			function = (timeout_fn) floppy_start;
+			function = (timeout_fn)floppy_start;
 		} else
-			function = (timeout_fn) setup_rw_floppy;
+			function = (timeout_fn)setup_rw_floppy;
 
 		/* wait until the floppy is spinning fast enough */
 		if (fd_wait_for_completion(ready_date, function))
@@ -1551,7 +1533,7 @@ static void setup_rw_floppy(void)
 	for (i = 0; i < raw_cmd->cmd_count; i++)
 		r |= output_byte(raw_cmd->cmd[i]);
 
-	debugt("rw_command: ");
+	debugt(__func__, "rw_command");
 
 	if (r) {
 		cont->error();
@@ -1574,7 +1556,7 @@ static int blind_seek;
  */
 static void seek_interrupt(void)
 {
-	debugt("seek interrupt:");
+	debugt(__func__, "");
 	if (inr != 2 || (ST0 & 0xF8) != 0x20) {
 		DPRINT("seek failed\n");
 		DRS->track = NEED_2_RECAL;
@@ -1583,14 +1565,11 @@ static void seek_interrupt(void)
 		return;
 	}
 	if (DRS->track >= 0 && DRS->track != ST1 && !blind_seek) {
-#ifdef DCL_DEBUG
-		if (DP->flags & FD_DEBUG) {
-			DPRINT
-			    ("clearing NEWCHANGE flag because of effective seek\n");
-			DPRINT("jiffies=%lu\n", jiffies);
-		}
-#endif
-		CLEARF(FD_DISK_NEWCHANGE);	/* effective seek */
+		debug_dcl(DP->flags,
+			  "clearing NEWCHANGE flag because of effective seek\n");
+		debug_dcl(DP->flags, "jiffies=%lu\n", jiffies);
+		clear_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags);
+					/* effective seek */
 		DRS->select_date = jiffies;
 	}
 	DRS->track = ST1;
@@ -1599,26 +1578,23 @@ static void seek_interrupt(void)
 
 static void check_wp(void)
 {
-	if (TESTF(FD_VERIFY)) {
-		/* check write protection */
+	if (test_bit(FD_VERIFY_BIT, &DRS->flags)) {
+					/* check write protection */
 		output_byte(FD_GETSTATUS);
 		output_byte(UNIT(current_drive));
 		if (result() != 1) {
 			FDCS->reset = 1;
 			return;
 		}
-		CLEARF(FD_VERIFY);
-		CLEARF(FD_NEED_TWADDLE);
-#ifdef DCL_DEBUG
-		if (DP->flags & FD_DEBUG) {
-			DPRINT("checking whether disk is write protected\n");
-			DPRINT("wp=%x\n", ST3 & 0x40);
-		}
-#endif
+		clear_bit(FD_VERIFY_BIT, &DRS->flags);
+		clear_bit(FD_NEED_TWADDLE_BIT, &DRS->flags);
+		debug_dcl(DP->flags,
+			  "checking whether disk is write protected\n");
+		debug_dcl(DP->flags, "wp=%x\n", ST3 & 0x40);
 		if (!(ST3 & 0x40))
-			SETF(FD_DISK_WRITABLE);
+			set_bit(FD_DISK_WRITABLE_BIT, &DRS->flags);
 		else
-			CLEARF(FD_DISK_WRITABLE);
+			clear_bit(FD_DISK_WRITABLE_BIT, &DRS->flags);
 	}
 }
 
@@ -1628,19 +1604,15 @@ static void seek_floppy(void)
 
 	blind_seek = 0;
 
-#ifdef DCL_DEBUG
-	if (DP->flags & FD_DEBUG) {
-		DPRINT("calling disk change from seek\n");
-	}
-#endif
+	debug_dcl(DP->flags, "calling disk change from %s\n", __func__);
 
-	if (!TESTF(FD_DISK_NEWCHANGE) &&
+	if (!test_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags) &&
 	    disk_change(current_drive) && (raw_cmd->flags & FD_RAW_NEED_DISK)) {
 		/* the media changed flag should be cleared after the seek.
 		 * If it isn't, this means that there is really no disk in
 		 * the drive.
 		 */
-		SETF(FD_DISK_CHANGED);
+		set_bit(FD_DISK_CHANGED_BIT, &DRS->flags);
 		cont->done(0);
 		cont->redo();
 		return;
@@ -1648,7 +1620,7 @@ static void seek_floppy(void)
 	if (DRS->track <= NEED_1_RECAL) {
 		recalibrate_floppy();
 		return;
-	} else if (TESTF(FD_DISK_NEWCHANGE) &&
+	} else if (test_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags) &&
 		   (raw_cmd->flags & FD_RAW_NEED_DISK) &&
 		   (DRS->track <= NO_TRACK || DRS->track == raw_cmd->track)) {
 		/* we seek to clear the media-changed condition. Does anybody
@@ -1677,19 +1649,22 @@ static void seek_floppy(void)
 	do_floppy = seek_interrupt;
 	output_byte(FD_SEEK);
 	output_byte(UNIT(current_drive));
-	LAST_OUT(track);
-	debugt("seek command:");
+	if (output_byte(track) < 0) {
+		reset_fdc();
+		return;
+	}
+	debugt(__func__, "");
 }
 
 static void recal_interrupt(void)
 {
-	debugt("recal interrupt:");
+	debugt(__func__, "");
 	if (inr != 2)
 		FDCS->reset = 1;
 	else if (ST0 & ST0_ECE) {
 		switch (DRS->track) {
 		case NEED_1_RECAL:
-			debugt("recal interrupt need 1 recal:");
+			debugt(__func__, "need 1 recal");
 			/* after a second recalibrate, we still haven't
 			 * reached track 0. Probably no drive. Raise an
 			 * error, as failing immediately might upset
@@ -1698,25 +1673,21 @@ static void recal_interrupt(void)
 			cont->redo();
 			return;
 		case NEED_2_RECAL:
-			debugt("recal interrupt need 2 recal:");
+			debugt(__func__, "need 2 recal");
 			/* If we already did a recalibrate,
 			 * and we are not at track 0, this
 			 * means we have moved. (The only way
 			 * not to move at recalibration is to
 			 * be already at track 0.) Clear the
 			 * new change flag */
-#ifdef DCL_DEBUG
-			if (DP->flags & FD_DEBUG) {
-				DPRINT
-				    ("clearing NEWCHANGE flag because of second recalibrate\n");
-			}
-#endif
+			debug_dcl(DP->flags,
+				  "clearing NEWCHANGE flag because of second recalibrate\n");
 
-			CLEARF(FD_DISK_NEWCHANGE);
+			clear_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags);
 			DRS->select_date = jiffies;
 			/* fall through */
 		default:
-			debugt("recal interrupt default:");
+			debugt(__func__, "default");
 			/* Recalibrate moves the head by at
 			 * most 80 steps. If after one
 			 * recalibrate we don't have reached
@@ -1738,8 +1709,8 @@ static void print_result(char *message, int inr)
 	DPRINT("%s ", message);
 	if (inr >= 0)
 		for (i = 0; i < inr; i++)
-			printk("repl[%d]=%x ", i, reply_buffer[i]);
-	printk("\n");
+			pr_cont("repl[%d]=%x ", i, reply_buffer[i]);
+	pr_cont("\n");
 }
 
 /* interrupt handler. Note that this can be called externally on the Sparc */
@@ -1760,10 +1731,10 @@ irqreturn_t floppy_interrupt(int irq, void *dev_id)
 	do_floppy = NULL;
 	if (fdc >= N_FDC || FDCS->address == -1) {
 		/* we don't even know which FDC is the culprit */
-		printk("DOR0=%x\n", fdc_state[0].dor);
-		printk("floppy interrupt on bizarre fdc %d\n", fdc);
-		printk("handler=%p\n", handler);
-		is_alive("bizarre fdc");
+		pr_info("DOR0=%x\n", fdc_state[0].dor);
+		pr_info("floppy interrupt on bizarre fdc %d\n", fdc);
+		pr_info("handler=%pf\n", handler);
+		is_alive(__func__, "bizarre fdc");
 		return IRQ_NONE;
 	}
 
@@ -1777,7 +1748,7 @@ irqreturn_t floppy_interrupt(int irq, void *dev_id)
 	 * activity.
 	 */
 
-	do_print = !handler && print_unex && !initialising;
+	do_print = !handler && print_unex && initialized;
 
 	inr = result();
 	if (do_print)
@@ -1790,15 +1761,15 @@ irqreturn_t floppy_interrupt(int irq, void *dev_id)
 			if (do_print)
 				print_result("sensei", inr);
 			max_sensei--;
-		} while ((ST0 & 0x83) != UNIT(current_drive) && inr == 2
-			 && max_sensei);
+		} while ((ST0 & 0x83) != UNIT(current_drive) &&
+			 inr == 2 && max_sensei);
 	}
 	if (!handler) {
 		FDCS->reset = 1;
 		return IRQ_NONE;
 	}
 	schedule_bh(handler);
-	is_alive("normal interrupt end");
+	is_alive(__func__, "normal interrupt end");
 
 	/* FIXME! Was it really for us? */
 	return IRQ_HANDLED;
@@ -1806,10 +1777,11 @@ irqreturn_t floppy_interrupt(int irq, void *dev_id)
 
 static void recalibrate_floppy(void)
 {
-	debugt("recalibrate floppy:");
+	debugt(__func__, "");
 	do_floppy = recal_interrupt;
 	output_byte(FD_RECALIBRATE);
-	LAST_OUT(UNIT(current_drive));
+	if (output_byte(UNIT(current_drive)) < 0)
+		reset_fdc();
 }
 
 /*
@@ -1817,10 +1789,10 @@ static void recalibrate_floppy(void)
  */
 static void reset_interrupt(void)
 {
-	debugt("reset interrupt:");
+	debugt(__func__, "");
 	result();		/* get the status ready for set_fdc */
 	if (FDCS->reset) {
-		printk("reset set in interrupt, calling %p\n", cont->error);
+		pr_info("reset set in interrupt, calling %pf\n", cont->error);
 		cont->error();	/* a reset just after a reset. BAD! */
 	}
 	cont->redo();
@@ -1858,53 +1830,49 @@ static void show_floppy(void)
 {
 	int i;
 
-	printk("\n");
-	printk("floppy driver state\n");
-	printk("-------------------\n");
-	printk("now=%lu last interrupt=%lu diff=%lu last called handler=%p\n",
-	       jiffies, interruptjiffies, jiffies - interruptjiffies,
-	       lasthandler);
+	pr_info("\n");
+	pr_info("floppy driver state\n");
+	pr_info("-------------------\n");
+	pr_info("now=%lu last interrupt=%lu diff=%lu last called handler=%pf\n",
+		jiffies, interruptjiffies, jiffies - interruptjiffies,
+		lasthandler);
 
-#ifdef FLOPPY_SANITY_CHECK
-	printk("timeout_message=%s\n", timeout_message);
-	printk("last output bytes:\n");
+	pr_info("timeout_message=%s\n", timeout_message);
+	pr_info("last output bytes:\n");
 	for (i = 0; i < OLOGSIZE; i++)
-		printk("%2x %2x %lu\n",
-		       output_log[(i + output_log_pos) % OLOGSIZE].data,
-		       output_log[(i + output_log_pos) % OLOGSIZE].status,
-		       output_log[(i + output_log_pos) % OLOGSIZE].jiffies);
-	printk("last result at %lu\n", resultjiffies);
-	printk("last redo_fd_request at %lu\n", lastredo);
-	for (i = 0; i < resultsize; i++) {
-		printk("%2x ", reply_buffer[i]);
-	}
-	printk("\n");
-#endif
-
-	printk("status=%x\n", fd_inb(FD_STATUS));
-	printk("fdc_busy=%lu\n", fdc_busy);
+		pr_info("%2x %2x %lu\n",
+			output_log[(i + output_log_pos) % OLOGSIZE].data,
+			output_log[(i + output_log_pos) % OLOGSIZE].status,
+			output_log[(i + output_log_pos) % OLOGSIZE].jiffies);
+	pr_info("last result at %lu\n", resultjiffies);
+	pr_info("last redo_fd_request at %lu\n", lastredo);
+	print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 1,
+		       reply_buffer, resultsize, true);
+
+	pr_info("status=%x\n", fd_inb(FD_STATUS));
+	pr_info("fdc_busy=%lu\n", fdc_busy);
 	if (do_floppy)
-		printk("do_floppy=%p\n", do_floppy);
+		pr_info("do_floppy=%pf\n", do_floppy);
 	if (work_pending(&floppy_work))
-		printk("floppy_work.func=%p\n", floppy_work.func);
+		pr_info("floppy_work.func=%pf\n", floppy_work.func);
 	if (timer_pending(&fd_timer))
-		printk("fd_timer.function=%p\n", fd_timer.function);
+		pr_info("fd_timer.function=%pf\n", fd_timer.function);
 	if (timer_pending(&fd_timeout)) {
-		printk("timer_function=%p\n", fd_timeout.function);
-		printk("expires=%lu\n", fd_timeout.expires - jiffies);
-		printk("now=%lu\n", jiffies);
-	}
-	printk("cont=%p\n", cont);
-	printk("current_req=%p\n", current_req);
-	printk("command_status=%d\n", command_status);
-	printk("\n");
+		pr_info("timer_function=%pf\n", fd_timeout.function);
+		pr_info("expires=%lu\n", fd_timeout.expires - jiffies);
+		pr_info("now=%lu\n", jiffies);
+	}
+	pr_info("cont=%p\n", cont);
+	pr_info("current_req=%p\n", current_req);
+	pr_info("command_status=%d\n", command_status);
+	pr_info("\n");
 }
 
 static void floppy_shutdown(unsigned long data)
 {
 	unsigned long flags;
 
-	if (!initialising)
+	if (initialized)
 		show_floppy();
 	cancel_activity();
 
@@ -1916,17 +1884,17 @@ static void floppy_shutdown(unsigned long data)
 
 	/* avoid dma going to a random drive after shutdown */
 
-	if (!initialising)
+	if (initialized)
 		DPRINT("floppy timeout called\n");
 	FDCS->reset = 1;
 	if (cont) {
 		cont->done(0);
 		cont->redo();	/* this will recall reset when needed */
 	} else {
-		printk("no cont in shutdown!\n");
+		pr_info("no cont in shutdown!\n");
 		process_fd_request();
 	}
-	is_alive("floppy shutdown");
+	is_alive(__func__, "");
 }
 
 /* start motor, check media-changed condition and write protection */
@@ -1954,27 +1922,26 @@ static int start_motor(void (*function)(void))
 	set_dor(fdc, mask, data);
 
 	/* wait_for_completion also schedules reset if needed. */
-	return (fd_wait_for_completion(DRS->select_date + DP->select_delay,
-				       (timeout_fn) function));
+	return fd_wait_for_completion(DRS->select_date + DP->select_delay,
+				      (timeout_fn)function);
 }
 
 static void floppy_ready(void)
 {
-	CHECK_RESET;
+	if (FDCS->reset) {
+		reset_fdc();
+		return;
+	}
 	if (start_motor(floppy_ready))
 		return;
 	if (fdc_dtr())
 		return;
 
-#ifdef DCL_DEBUG
-	if (DP->flags & FD_DEBUG) {
-		DPRINT("calling disk change from floppy_ready\n");
-	}
-#endif
+	debug_dcl(DP->flags, "calling disk change from floppy_ready\n");
 	if (!(raw_cmd->flags & FD_RAW_NO_MOTOR) &&
 	    disk_change(current_drive) && !DP->select_delay)
-		twaddle();	/* this clears the dcl on certain drive/controller
-				 * combinations */
+		twaddle();	/* this clears the dcl on certain
+				 * drive/controller combinations */
 
 #ifdef fd_chose_dma_mode
 	if ((raw_cmd->flags & FD_RAW_READ) || (raw_cmd->flags & FD_RAW_WRITE)) {
@@ -1998,15 +1965,11 @@ static void floppy_ready(void)
 
 static void floppy_start(void)
 {
-	reschedule_timeout(current_reqD, "floppy start", 0);
+	reschedule_timeout(current_reqD, "floppy start");
 
 	scandrives();
-#ifdef DCL_DEBUG
-	if (DP->flags & FD_DEBUG) {
-		DPRINT("setting NEWCHANGE in floppy_start\n");
-	}
-#endif
-	SETF(FD_DISK_NEWCHANGE);
+	debug_dcl(DP->flags, "setting NEWCHANGE in floppy_start\n");
+	set_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags);
 	floppy_ready();
 }
 
@@ -2026,7 +1989,7 @@ static void floppy_start(void)
 
 static void do_wakeup(void)
 {
-	reschedule_timeout(MAXTIMEOUT, "do wakeup", 0);
+	reschedule_timeout(MAXTIMEOUT, "do wakeup");
 	cont = NULL;
 	command_status += 2;
 	wake_up(&command_done);
@@ -2046,7 +2009,7 @@ static struct cont_t intr_cont = {
 	.done		= (done_f)empty
 };
 
-static int wait_til_done(void (*handler)(void), int interruptible)
+static int wait_til_done(void (*handler)(void), bool interruptible)
 {
 	int ret;
 
@@ -2064,7 +2027,7 @@ static int wait_til_done(void (*handler)(void), int interruptible)
 			if (command_status >= 2 || !NO_SIGNAL)
 				break;
 
-			is_alive("wait_til_done");
+			is_alive(__func__, "");
 			schedule();
 		}
 
@@ -2180,9 +2143,9 @@ static void format_interrupt(void)
 	cont->redo();
 }
 
-#define CODE2SIZE (ssize = ((1 << SIZECODE) + 3) >> 2)
-#define FM_MODE(x,y) ((y) & ~(((x)->rate & 0x80) >>1))
+#define FM_MODE(x, y) ((y) & ~(((x)->rate & 0x80) >> 1))
 #define CT(x) ((x) | 0xc0)
+
 static void setup_format_params(int track)
 {
 	int n;
@@ -2197,8 +2160,8 @@ static void setup_format_params(int track)
 	raw_cmd = &default_raw_cmd;
 	raw_cmd->track = track;
 
-	raw_cmd->flags = FD_RAW_WRITE | FD_RAW_INTR | FD_RAW_SPIN |
-	    FD_RAW_NEED_DISK | FD_RAW_NEED_SEEK;
+	raw_cmd->flags = (FD_RAW_WRITE | FD_RAW_INTR | FD_RAW_SPIN |
+			  FD_RAW_NEED_DISK | FD_RAW_NEED_SEEK);
 	raw_cmd->rate = _floppy->rate & 0x43;
 	raw_cmd->cmd_count = NR_F;
 	COMMAND = FM_MODE(_floppy, FD_FORMAT);
@@ -2257,7 +2220,7 @@ static void redo_format(void)
 	buffer_track = -1;
 	setup_format_params(format_req.track << STRETCH(_floppy));
 	floppy_start();
-	debugt("queue format request");
+	debugt(__func__, "queue format request");
 }
 
 static struct cont_t format_cont = {
@@ -2271,7 +2234,9 @@ static int do_format(int drive, struct format_descr *tmp_format_req)
 {
 	int ret;
 
-	LOCK_FDC(drive, 1);
+	if (lock_fdc(drive, true))
+		return -EINTR;
+
 	set_floppy(drive);
 	if (!_floppy ||
 	    _floppy->track > DP->tracks ||
@@ -2286,7 +2251,9 @@ static int do_format(int drive, struct format_descr *tmp_format_req)
 	format_errors = 0;
 	cont = &format_cont;
 	errors = &format_errors;
-	IWAIT(redo_format);
+	ret = wait_til_done(redo_format, true);
+	if (ret == -EINTR)
+		return -EINTR;
 	process_fd_request();
 	return ret;
 }
@@ -2320,12 +2287,14 @@ static void request_done(int uptodate)
 	struct request *req = current_req;
 	unsigned long flags;
 	int block;
+	char msg[sizeof("request done ") + sizeof(int) * 3];
 
 	probing = 0;
-	reschedule_timeout(MAXTIMEOUT, "request done %d", uptodate);
+	snprintf(msg, sizeof(msg), "request done %d", uptodate);
+	reschedule_timeout(MAXTIMEOUT, msg);
 
 	if (!req) {
-		printk("floppy.c: no request in request_done\n");
+		pr_info("floppy.c: no request in request_done\n");
 		return;
 	}
 
@@ -2377,7 +2346,7 @@ static void rw_interrupt(void)
 		DRS->first_read_date = jiffies;
 
 	nr_sectors = 0;
-	CODE2SIZE;
+	ssize = DIV_ROUND_UP(1 << SIZECODE, 4);
 
 	if (ST1 & ST1_EOC)
 		eoc = 1;
@@ -2393,20 +2362,18 @@ static void rw_interrupt(void)
 		       R_HEAD - HEAD) * SECT_PER_TRACK +
 		      R_SECTOR - SECTOR + eoc) << SIZECODE >> 2;
 
-#ifdef FLOPPY_SANITY_CHECK
 	if (nr_sectors / ssize >
 	    DIV_ROUND_UP(in_sector_offset + current_count_sectors, ssize)) {
 		DPRINT("long rw: %x instead of %lx\n",
 		       nr_sectors, current_count_sectors);
-		printk("rs=%d s=%d\n", R_SECTOR, SECTOR);
-		printk("rh=%d h=%d\n", R_HEAD, HEAD);
-		printk("rt=%d t=%d\n", R_TRACK, TRACK);
-		printk("heads=%d eoc=%d\n", heads, eoc);
-		printk("spt=%d st=%d ss=%d\n", SECT_PER_TRACK,
-		       fsector_t, ssize);
-		printk("in_sector_offset=%d\n", in_sector_offset);
+		pr_info("rs=%d s=%d\n", R_SECTOR, SECTOR);
+		pr_info("rh=%d h=%d\n", R_HEAD, HEAD);
+		pr_info("rt=%d t=%d\n", R_TRACK, TRACK);
+		pr_info("heads=%d eoc=%d\n", heads, eoc);
+		pr_info("spt=%d st=%d ss=%d\n",
+			SECT_PER_TRACK, fsector_t, ssize);
+		pr_info("in_sector_offset=%d\n", in_sector_offset);
 	}
-#endif
 
 	nr_sectors -= in_sector_offset;
 	INFBOUND(nr_sectors, 0);
@@ -2511,19 +2478,17 @@ static void copy_buffer(int ssize, int max_sector, int max_sector_2)
 					      blk_rq_sectors(current_req));
 
 	remaining = current_count_sectors << 9;
-#ifdef FLOPPY_SANITY_CHECK
 	if (remaining > blk_rq_bytes(current_req) && CT(COMMAND) == FD_WRITE) {
 		DPRINT("in copy buffer\n");
-		printk("current_count_sectors=%ld\n", current_count_sectors);
-		printk("remaining=%d\n", remaining >> 9);
-		printk("current_req->nr_sectors=%u\n",
-		       blk_rq_sectors(current_req));
-		printk("current_req->current_nr_sectors=%u\n",
-		       blk_rq_cur_sectors(current_req));
-		printk("max_sector=%d\n", max_sector);
-		printk("ssize=%d\n", ssize);
+		pr_info("current_count_sectors=%ld\n", current_count_sectors);
+		pr_info("remaining=%d\n", remaining >> 9);
+		pr_info("current_req->nr_sectors=%u\n",
+			blk_rq_sectors(current_req));
+		pr_info("current_req->current_nr_sectors=%u\n",
+			blk_rq_cur_sectors(current_req));
+		pr_info("max_sector=%d\n", max_sector);
+		pr_info("ssize=%d\n", ssize);
 	}
-#endif
 
 	buffer_max = max(max_sector, buffer_max);
 
@@ -2539,26 +2504,24 @@ static void copy_buffer(int ssize, int max_sector, int max_sector_2)
 		SUPBOUND(size, remaining);
 
 		buffer = page_address(bv->bv_page) + bv->bv_offset;
-#ifdef FLOPPY_SANITY_CHECK
 		if (dma_buffer + size >
 		    floppy_track_buffer + (max_buffer_sectors << 10) ||
 		    dma_buffer < floppy_track_buffer) {
 			DPRINT("buffer overrun in copy buffer %d\n",
-			       (int)((floppy_track_buffer -
-				      dma_buffer) >> 9));
-			printk("fsector_t=%d buffer_min=%d\n",
-			       fsector_t, buffer_min);
-			printk("current_count_sectors=%ld\n",
-			       current_count_sectors);
+			       (int)((floppy_track_buffer - dma_buffer) >> 9));
+			pr_info("fsector_t=%d buffer_min=%d\n",
+				fsector_t, buffer_min);
+			pr_info("current_count_sectors=%ld\n",
+				current_count_sectors);
 			if (CT(COMMAND) == FD_READ)
-				printk("read\n");
+				pr_info("read\n");
 			if (CT(COMMAND) == FD_WRITE)
-				printk("write\n");
+				pr_info("write\n");
 			break;
 		}
 		if (((unsigned long)buffer) % 512)
 			DPRINT("%p buffer not aligned\n", buffer);
-#endif
+
 		if (CT(COMMAND) == FD_READ)
 			memcpy(buffer, dma_buffer, size);
 		else
@@ -2567,13 +2530,11 @@ static void copy_buffer(int ssize, int max_sector, int max_sector_2)
 		remaining -= size;
 		dma_buffer += size;
 	}
-#ifdef FLOPPY_SANITY_CHECK
 	if (remaining) {
 		if (remaining > 0)
 			max_sector -= remaining >> 9;
 		DPRINT("weirdness: remaining %d\n", remaining >> 9);
 	}
-#endif
 }
 
 /* work around a bug in pseudo DMA
@@ -2593,15 +2554,14 @@ static void virtualdmabug_workaround(void)
 
 		hard_sectors = raw_cmd->length >> (7 + SIZECODE);
 		end_sector = SECTOR + hard_sectors - 1;
-#ifdef FLOPPY_SANITY_CHECK
 		if (end_sector > SECT_PER_TRACK) {
-			printk("too many sectors %d > %d\n",
-			       end_sector, SECT_PER_TRACK);
+			pr_info("too many sectors %d > %d\n",
+				end_sector, SECT_PER_TRACK);
 			return;
 		}
-#endif
-		SECT_PER_TRACK = end_sector;	/* make sure SECT_PER_TRACK points
-						 * to end of transfer */
+		SECT_PER_TRACK = end_sector;
+					/* make sure SECT_PER_TRACK
+					 * points to end of transfer */
 	}
 }
 
@@ -2624,7 +2584,7 @@ static int make_raw_rw_request(void)
 	int ssize;
 
 	if (max_buffer_sectors == 0) {
-		printk("VFS: Block I/O scheduled on unopened device\n");
+		pr_info("VFS: Block I/O scheduled on unopened device\n");
 		return 0;
 	}
 
@@ -2641,7 +2601,7 @@ static int make_raw_rw_request(void)
 		raw_cmd->flags |= FD_RAW_WRITE;
 		COMMAND = FM_MODE(_floppy, FD_WRITE);
 	} else {
-		DPRINT("make_raw_rw_request: unknown command\n");
+		DPRINT("%s: unknown command\n", __func__);
 		return 0;
 	}
 
@@ -2659,7 +2619,8 @@ static int make_raw_rw_request(void)
 	HEAD = fsector_t / _floppy->sect;
 
 	if (((_floppy->stretch & (FD_SWAPSIDES | FD_SECTBASEMASK)) ||
-	     TESTF(FD_NEED_TWADDLE)) && fsector_t < _floppy->sect)
+	     test_bit(FD_NEED_TWADDLE_BIT, &DRS->flags)) &&
+	    fsector_t < _floppy->sect)
 		max_sector = _floppy->sect;
 
 	/* 2M disks have phantom sectors on the first track */
@@ -2685,7 +2646,7 @@ static int make_raw_rw_request(void)
 	raw_cmd->track = TRACK << STRETCH(_floppy);
 	DR_SELECT = UNIT(current_drive) + PH_HEAD(_floppy, HEAD);
 	GAP = _floppy->gap;
-	CODE2SIZE;
+	ssize = DIV_ROUND_UP(1 << SIZECODE, 4);
 	SECT_PER_TRACK = _floppy->sect << 2 >> SIZECODE;
 	SECTOR = ((fsector_t % _floppy->sect) << 2 >> SIZECODE) +
 	    FD_SECTBASE(_floppy);
@@ -2730,8 +2691,10 @@ static int make_raw_rw_request(void)
 		}
 	} else if (in_sector_offset || blk_rq_sectors(current_req) < ssize) {
 		if (CT(COMMAND) == FD_WRITE) {
-			if (fsector_t + blk_rq_sectors(current_req) > ssize &&
-			    fsector_t + blk_rq_sectors(current_req) < ssize + ssize)
+			unsigned int sectors;
+
+			sectors = fsector_t + blk_rq_sectors(current_req);
+			if (sectors > ssize && sectors < ssize + ssize)
 				max_size = ssize + ssize;
 			else
 				max_size = ssize;
@@ -2752,12 +2715,10 @@ static int make_raw_rw_request(void)
 		 * on a 64 bit machine!
 		 */
 		max_size = buffer_chain_size();
-		dma_limit =
-		    (MAX_DMA_ADDRESS -
-		     ((unsigned long)current_req->buffer)) >> 9;
-		if ((unsigned long)max_size > dma_limit) {
+		dma_limit = (MAX_DMA_ADDRESS -
+			     ((unsigned long)current_req->buffer)) >> 9;
+		if ((unsigned long)max_size > dma_limit)
 			max_size = dma_limit;
-		}
 		/* 64 kb boundaries */
 		if (CROSS_64KB(current_req->buffer, max_size << 9))
 			max_size = (K_64 -
@@ -2773,16 +2734,16 @@ static int make_raw_rw_request(void)
 		 */
 		if (!direct ||
 		    (indirect * 2 > direct * 3 &&
-		     *errors < DP->max_errors.read_track && ((!probing
-		       || (DP->read_track & (1 << DRS->probed_format)))))) {
+		     *errors < DP->max_errors.read_track &&
+		     ((!probing ||
+		       (DP->read_track & (1 << DRS->probed_format)))))) {
 			max_size = blk_rq_sectors(current_req);
 		} else {
 			raw_cmd->kernel_data = current_req->buffer;
 			raw_cmd->length = current_count_sectors << 9;
 			if (raw_cmd->length == 0) {
-				DPRINT
-				    ("zero dma transfer attempted from make_raw_request\n");
-				DPRINT("indirect=%d direct=%d fsector_t=%d",
+				DPRINT("%s: zero dma transfer attempted\n", __func__);
+				DPRINT("indirect=%d direct=%d fsector_t=%d\n",
 				       indirect, direct, fsector_t);
 				return 0;
 			}
@@ -2802,25 +2763,22 @@ static int make_raw_rw_request(void)
 	    ((CT(COMMAND) == FD_READ ||
 	      (!in_sector_offset && blk_rq_sectors(current_req) >= ssize)) &&
 	     max_sector > 2 * max_buffer_sectors + buffer_min &&
-	     max_size + fsector_t > 2 * max_buffer_sectors + buffer_min)
-	    /* not enough space */
-	    ) {
+	     max_size + fsector_t > 2 * max_buffer_sectors + buffer_min)) {
+		/* not enough space */
 		buffer_track = -1;
 		buffer_drive = current_drive;
 		buffer_max = buffer_min = aligned_sector_t;
 	}
 	raw_cmd->kernel_data = floppy_track_buffer +
-	    ((aligned_sector_t - buffer_min) << 9);
+		((aligned_sector_t - buffer_min) << 9);
 
 	if (CT(COMMAND) == FD_WRITE) {
 		/* copy write buffer to track buffer.
 		 * if we get here, we know that the write
 		 * is either aligned or the data already in the buffer
 		 * (buffer will be overwritten) */
-#ifdef FLOPPY_SANITY_CHECK
 		if (in_sector_offset && buffer_track == -1)
 			DPRINT("internal error offset !=0 on write\n");
-#endif
 		buffer_track = raw_cmd->track;
 		buffer_drive = current_drive;
 		copy_buffer(ssize, max_sector,
@@ -2834,7 +2792,6 @@ static int make_raw_rw_request(void)
 	raw_cmd->length = in_sector_offset + current_count_sectors;
 	raw_cmd->length = ((raw_cmd->length - 1) | (ssize - 1)) + 1;
 	raw_cmd->length <<= 9;
-#ifdef FLOPPY_SANITY_CHECK
 	if ((raw_cmd->length < current_count_sectors << 9) ||
 	    (raw_cmd->kernel_data != current_req->buffer &&
 	     CT(COMMAND) == FD_WRITE &&
@@ -2845,19 +2802,19 @@ static int make_raw_rw_request(void)
 		DPRINT("fractionary current count b=%lx s=%lx\n",
 		       raw_cmd->length, current_count_sectors);
 		if (raw_cmd->kernel_data != current_req->buffer)
-			printk("addr=%d, length=%ld\n",
-			       (int)((raw_cmd->kernel_data -
-				      floppy_track_buffer) >> 9),
-			       current_count_sectors);
-		printk("st=%d ast=%d mse=%d msi=%d\n",
-		       fsector_t, aligned_sector_t, max_sector, max_size);
-		printk("ssize=%x SIZECODE=%d\n", ssize, SIZECODE);
-		printk("command=%x SECTOR=%d HEAD=%d, TRACK=%d\n",
-		       COMMAND, SECTOR, HEAD, TRACK);
-		printk("buffer drive=%d\n", buffer_drive);
-		printk("buffer track=%d\n", buffer_track);
-		printk("buffer_min=%d\n", buffer_min);
-		printk("buffer_max=%d\n", buffer_max);
+			pr_info("addr=%d, length=%ld\n",
+				(int)((raw_cmd->kernel_data -
+				       floppy_track_buffer) >> 9),
+				current_count_sectors);
+		pr_info("st=%d ast=%d mse=%d msi=%d\n",
+			fsector_t, aligned_sector_t, max_sector, max_size);
+		pr_info("ssize=%x SIZECODE=%d\n", ssize, SIZECODE);
+		pr_info("command=%x SECTOR=%d HEAD=%d, TRACK=%d\n",
+			COMMAND, SECTOR, HEAD, TRACK);
+		pr_info("buffer drive=%d\n", buffer_drive);
+		pr_info("buffer track=%d\n", buffer_track);
+		pr_info("buffer_min=%d\n", buffer_min);
+		pr_info("buffer_max=%d\n", buffer_max);
 		return 0;
 	}
 
@@ -2868,14 +2825,14 @@ static int make_raw_rw_request(void)
 		    raw_cmd->kernel_data + raw_cmd->length >
 		    floppy_track_buffer + (max_buffer_sectors << 10)) {
 			DPRINT("buffer overrun in schedule dma\n");
-			printk("fsector_t=%d buffer_min=%d current_count=%ld\n",
-			       fsector_t, buffer_min, raw_cmd->length >> 9);
-			printk("current_count_sectors=%ld\n",
-			       current_count_sectors);
+			pr_info("fsector_t=%d buffer_min=%d current_count=%ld\n",
+				fsector_t, buffer_min, raw_cmd->length >> 9);
+			pr_info("current_count_sectors=%ld\n",
+				current_count_sectors);
 			if (CT(COMMAND) == FD_READ)
-				printk("read\n");
+				pr_info("read\n");
 			if (CT(COMMAND) == FD_WRITE)
-				printk("write\n");
+				pr_info("write\n");
 			return 0;
 		}
 	} else if (raw_cmd->length > blk_rq_bytes(current_req) ||
@@ -2884,14 +2841,13 @@ static int make_raw_rw_request(void)
 		return 0;
 	} else if (raw_cmd->length < current_count_sectors << 9) {
 		DPRINT("more sectors than bytes\n");
-		printk("bytes=%ld\n", raw_cmd->length >> 9);
-		printk("sectors=%ld\n", current_count_sectors);
+		pr_info("bytes=%ld\n", raw_cmd->length >> 9);
+		pr_info("sectors=%ld\n", current_count_sectors);
 	}
 	if (raw_cmd->length == 0) {
 		DPRINT("zero dma transfer attempted from make_raw_request\n");
 		return 0;
 	}
-#endif
 
 	virtualdmabug_workaround();
 	return 2;
@@ -2899,7 +2855,6 @@ static int make_raw_rw_request(void)
 
 static void redo_fd_request(void)
 {
-#define REPEAT {request_done(0); continue; }
 	int drive;
 	int tmp;
 
@@ -2907,63 +2862,63 @@ static void redo_fd_request(void)
 	if (current_drive < N_DRIVE)
 		floppy_off(current_drive);
 
-	for (;;) {
-		if (!current_req) {
-			struct request *req;
-
-			spin_lock_irq(floppy_queue->queue_lock);
-			req = blk_fetch_request(floppy_queue);
-			spin_unlock_irq(floppy_queue->queue_lock);
-			if (!req) {
-				do_floppy = NULL;
-				unlock_fdc();
-				return;
-			}
-			current_req = req;
-		}
-		drive = (long)current_req->rq_disk->private_data;
-		set_fdc(drive);
-		reschedule_timeout(current_reqD, "redo fd request", 0);
+do_request:
+	if (!current_req) {
+		struct request *req;
 
-		set_floppy(drive);
-		raw_cmd = &default_raw_cmd;
-		raw_cmd->flags = 0;
-		if (start_motor(redo_fd_request))
+		spin_lock_irq(floppy_queue->queue_lock);
+		req = blk_fetch_request(floppy_queue);
+		spin_unlock_irq(floppy_queue->queue_lock);
+		if (!req) {
+			do_floppy = NULL;
+			unlock_fdc();
 			return;
-		disk_change(current_drive);
-		if (test_bit(current_drive, &fake_change) ||
-		    TESTF(FD_DISK_CHANGED)) {
-			DPRINT("disk absent or changed during operation\n");
-			REPEAT;
-		}
-		if (!_floppy) {	/* Autodetection */
-			if (!probing) {
-				DRS->probed_format = 0;
-				if (next_valid_format()) {
-					DPRINT("no autodetectable formats\n");
-					_floppy = NULL;
-					REPEAT;
-				}
-			}
-			probing = 1;
-			_floppy =
-			    floppy_type + DP->autodetect[DRS->probed_format];
-		} else
-			probing = 0;
-		errors = &(current_req->errors);
-		tmp = make_raw_rw_request();
-		if (tmp < 2) {
-			request_done(tmp);
-			continue;
 		}
+		current_req = req;
+	}
+	drive = (long)current_req->rq_disk->private_data;
+	set_fdc(drive);
+	reschedule_timeout(current_reqD, "redo fd request");
 
-		if (TESTF(FD_NEED_TWADDLE))
-			twaddle();
-		schedule_bh(floppy_start);
-		debugt("queue fd request");
+	set_floppy(drive);
+	raw_cmd = &default_raw_cmd;
+	raw_cmd->flags = 0;
+	if (start_motor(redo_fd_request))
 		return;
+
+	disk_change(current_drive);
+	if (test_bit(current_drive, &fake_change) ||
+	    test_bit(FD_DISK_CHANGED_BIT, &DRS->flags)) {
+		DPRINT("disk absent or changed during operation\n");
+		request_done(0);
+		goto do_request;
+	}
+	if (!_floppy) {	/* Autodetection */
+		if (!probing) {
+			DRS->probed_format = 0;
+			if (next_valid_format()) {
+				DPRINT("no autodetectable formats\n");
+				_floppy = NULL;
+				request_done(0);
+				goto do_request;
+			}
+		}
+		probing = 1;
+		_floppy = floppy_type + DP->autodetect[DRS->probed_format];
+	} else
+		probing = 0;
+	errors = &(current_req->errors);
+	tmp = make_raw_rw_request();
+	if (tmp < 2) {
+		request_done(tmp);
+		goto do_request;
 	}
-#undef REPEAT
+
+	if (test_bit(FD_NEED_TWADDLE_BIT, &DRS->flags))
+		twaddle();
+	schedule_bh(floppy_start);
+	debugt(__func__, "queue fd request");
+	return;
 }
 
 static struct cont_t rw_cont = {
@@ -2979,30 +2934,30 @@ static void process_fd_request(void)
 	schedule_bh(redo_fd_request);
 }
 
-static void do_fd_request(struct request_queue * q)
+static void do_fd_request(struct request_queue *q)
 {
 	if (max_buffer_sectors == 0) {
-		printk("VFS: do_fd_request called on non-open device\n");
+		pr_info("VFS: %s called on non-open device\n", __func__);
 		return;
 	}
 
 	if (usage_count == 0) {
-		printk("warning: usage count=0, current_req=%p exiting\n",
-		       current_req);
-		printk("sect=%ld type=%x flags=%x\n",
-		       (long)blk_rq_pos(current_req), current_req->cmd_type,
-		       current_req->cmd_flags);
+		pr_info("warning: usage count=0, current_req=%p exiting\n",
+			current_req);
+		pr_info("sect=%ld type=%x flags=%x\n",
+			(long)blk_rq_pos(current_req), current_req->cmd_type,
+			current_req->cmd_flags);
 		return;
 	}
 	if (test_bit(0, &fdc_busy)) {
 		/* fdc busy, this new request will be treated when the
 		   current one is done */
-		is_alive("do fd request, old request running");
+		is_alive(__func__, "old request running");
 		return;
 	}
-	lock_fdc(MAXTIMEOUT, 0);
+	lock_fdc(MAXTIMEOUT, false);
 	process_fd_request();
-	is_alive("do fd request");
+	is_alive(__func__, "");
 }
 
 static struct cont_t poll_cont = {
@@ -3012,24 +2967,18 @@ static struct cont_t poll_cont = {
 	.done		= generic_done
 };
 
-static int poll_drive(int interruptible, int flag)
+static int poll_drive(bool interruptible, int flag)
 {
-	int ret;
-
 	/* no auto-sense, just clear dcl */
 	raw_cmd = &default_raw_cmd;
 	raw_cmd->flags = flag;
 	raw_cmd->track = 0;
 	raw_cmd->cmd_count = 0;
 	cont = &poll_cont;
-#ifdef DCL_DEBUG
-	if (DP->flags & FD_DEBUG) {
-		DPRINT("setting NEWCHANGE in poll_drive\n");
-	}
-#endif
-	SETF(FD_DISK_NEWCHANGE);
-	WAIT(floppy_ready);
-	return ret;
+	debug_dcl(DP->flags, "setting NEWCHANGE in poll_drive\n");
+	set_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags);
+
+	return wait_til_done(floppy_ready, interruptible);
 }
 
 /*
@@ -3039,7 +2988,7 @@ static int poll_drive(int interruptible, int flag)
 
 static void reset_intr(void)
 {
-	printk("weird, reset interrupt called\n");
+	pr_info("weird, reset interrupt called\n");
 }
 
 static struct cont_t reset_cont = {
@@ -3049,20 +2998,23 @@ static struct cont_t reset_cont = {
 	.done		= generic_done
 };
 
-static int user_reset_fdc(int drive, int arg, int interruptible)
+static int user_reset_fdc(int drive, int arg, bool interruptible)
 {
 	int ret;
 
-	ret = 0;
-	LOCK_FDC(drive, interruptible);
+	if (lock_fdc(drive, interruptible))
+		return -EINTR;
+
 	if (arg == FD_RESET_ALWAYS)
 		FDCS->reset = 1;
 	if (FDCS->reset) {
 		cont = &reset_cont;
-		WAIT(reset_fdc);
+		ret = wait_til_done(reset_fdc, interruptible);
+		if (ret == -EINTR)
+			return -EINTR;
 	}
 	process_fd_request();
-	return ret;
+	return 0;
 }
 
 /*
@@ -3075,17 +3027,12 @@ static inline int fd_copyout(void __user *param, const void *address,
 	return copy_to_user(param, address, size) ? -EFAULT : 0;
 }
 
-static inline int fd_copyin(void __user *param, void *address, unsigned long size)
+static inline int fd_copyin(void __user *param, void *address,
+			    unsigned long size)
 {
 	return copy_from_user(address, param, size) ? -EFAULT : 0;
 }
 
-#define _COPYOUT(x) (copy_to_user((void __user *)param, &(x), sizeof(x)) ? -EFAULT : 0)
-#define _COPYIN(x) (copy_from_user(&(x), (void __user *)param, sizeof(x)) ? -EFAULT : 0)
-
-#define COPYOUT(x) ECALL(_COPYOUT(x))
-#define COPYIN(x) ECALL(_COPYIN(x))
-
 static inline const char *drive_name(int type, int drive)
 {
 	struct floppy_struct *floppy;
@@ -3156,23 +3103,29 @@ static struct cont_t raw_cmd_cont = {
 	.done		= raw_cmd_done
 };
 
-static inline int raw_cmd_copyout(int cmd, char __user *param,
+static inline int raw_cmd_copyout(int cmd, void __user *param,
 				  struct floppy_raw_cmd *ptr)
 {
 	int ret;
 
 	while (ptr) {
-		COPYOUT(*ptr);
+		ret = copy_to_user(param, ptr, sizeof(*ptr));
+		if (ret)
+			return -EFAULT;
 		param += sizeof(struct floppy_raw_cmd);
 		if ((ptr->flags & FD_RAW_READ) && ptr->buffer_length) {
-			if (ptr->length >= 0
-			    && ptr->length <= ptr->buffer_length)
-				ECALL(fd_copyout
-				      (ptr->data, ptr->kernel_data,
-				       ptr->buffer_length - ptr->length));
+			if (ptr->length >= 0 &&
+			    ptr->length <= ptr->buffer_length) {
+				long length = ptr->buffer_length - ptr->length;
+				ret = fd_copyout(ptr->data, ptr->kernel_data,
+						 length);
+				if (ret)
+					return ret;
+			}
 		}
 		ptr = ptr->next;
 	}
+
 	return 0;
 }
 
@@ -3195,7 +3148,7 @@ static void raw_cmd_free(struct floppy_raw_cmd **ptr)
 	}
 }
 
-static inline int raw_cmd_copyin(int cmd, char __user *param,
+static inline int raw_cmd_copyin(int cmd, void __user *param,
 				 struct floppy_raw_cmd **rcmd)
 {
 	struct floppy_raw_cmd *ptr;
@@ -3203,17 +3156,19 @@ static inline int raw_cmd_copyin(int cmd, char __user *param,
 	int i;
 
 	*rcmd = NULL;
-	while (1) {
-		ptr = (struct floppy_raw_cmd *)
-		    kmalloc(sizeof(struct floppy_raw_cmd), GFP_USER);
-		if (!ptr)
-			return -ENOMEM;
-		*rcmd = ptr;
-		COPYIN(*ptr);
-		ptr->next = NULL;
-		ptr->buffer_length = 0;
-		param += sizeof(struct floppy_raw_cmd);
-		if (ptr->cmd_count > 33)
+
+loop:
+	ptr = kmalloc(sizeof(struct floppy_raw_cmd), GFP_USER);
+	if (!ptr)
+		return -ENOMEM;
+	*rcmd = ptr;
+	ret = copy_from_user(ptr, param, sizeof(*ptr));
+	if (ret)
+		return -EFAULT;
+	ptr->next = NULL;
+	ptr->buffer_length = 0;
+	param += sizeof(struct floppy_raw_cmd);
+	if (ptr->cmd_count > 33)
 			/* the command may now also take up the space
 			 * initially intended for the reply & the
 			 * reply count. Needed for long 82078 commands
@@ -3222,31 +3177,35 @@ static inline int raw_cmd_copyin(int cmd, char __user *param,
 			 * 16 bytes for a structure, you'll one day
 			 * discover that you really need 17...
 			 */
+		return -EINVAL;
+
+	for (i = 0; i < 16; i++)
+		ptr->reply[i] = 0;
+	ptr->resultcode = 0;
+	ptr->kernel_data = NULL;
+
+	if (ptr->flags & (FD_RAW_READ | FD_RAW_WRITE)) {
+		if (ptr->length <= 0)
 			return -EINVAL;
+		ptr->kernel_data = (char *)fd_dma_mem_alloc(ptr->length);
+		fallback_on_nodma_alloc(&ptr->kernel_data, ptr->length);
+		if (!ptr->kernel_data)
+			return -ENOMEM;
+		ptr->buffer_length = ptr->length;
+	}
+	if (ptr->flags & FD_RAW_WRITE) {
+		ret = fd_copyin(ptr->data, ptr->kernel_data, ptr->length);
+		if (ret)
+			return ret;
+	}
 
-		for (i = 0; i < 16; i++)
-			ptr->reply[i] = 0;
-		ptr->resultcode = 0;
-		ptr->kernel_data = NULL;
-
-		if (ptr->flags & (FD_RAW_READ | FD_RAW_WRITE)) {
-			if (ptr->length <= 0)
-				return -EINVAL;
-			ptr->kernel_data =
-			    (char *)fd_dma_mem_alloc(ptr->length);
-			fallback_on_nodma_alloc(&ptr->kernel_data, ptr->length);
-			if (!ptr->kernel_data)
-				return -ENOMEM;
-			ptr->buffer_length = ptr->length;
-		}
-		if (ptr->flags & FD_RAW_WRITE)
-			ECALL(fd_copyin(ptr->data, ptr->kernel_data,
-					ptr->length));
+	if (ptr->flags & FD_RAW_MORE) {
 		rcmd = &(ptr->next);
-		if (!(ptr->flags & FD_RAW_MORE))
-			return 0;
 		ptr->rate &= 0x43;
+		goto loop;
 	}
+
+	return 0;
 }
 
 static int raw_cmd_ioctl(int cmd, void __user *param)
@@ -3283,12 +3242,8 @@ static int raw_cmd_ioctl(int cmd, void __user *param)
 
 	raw_cmd = my_raw_cmd;
 	cont = &raw_cmd_cont;
-	ret = wait_til_done(floppy_start, 1);
-#ifdef DCL_DEBUG
-	if (DP->flags & FD_DEBUG) {
-		DPRINT("calling disk change from raw_cmd ioctl\n");
-	}
-#endif
+	ret = wait_til_done(floppy_start, true);
+	debug_dcl(DP->flags, "calling disk change from raw_cmd ioctl\n");
 
 	if (ret != -EINTR && FDCS->reset)
 		ret = -EIO;
@@ -3327,7 +3282,7 @@ static inline int set_geometry(unsigned int cmd, struct floppy_struct *g,
 		if (!capable(CAP_SYS_ADMIN))
 			return -EPERM;
 		mutex_lock(&open_lock);
-		if (lock_fdc(drive, 1)) {
+		if (lock_fdc(drive, true)) {
 			mutex_unlock(&open_lock);
 			return -EINTR;
 		}
@@ -3346,11 +3301,15 @@ static inline int set_geometry(unsigned int cmd, struct floppy_struct *g,
 		mutex_unlock(&open_lock);
 	} else {
 		int oldStretch;
-		LOCK_FDC(drive, 1);
-		if (cmd != FDDEFPRM)
+
+		if (lock_fdc(drive, true))
+			return -EINTR;
+		if (cmd != FDDEFPRM) {
 			/* notice a disk change immediately, else
 			 * we lose our settings immediately*/
-			CALL(poll_drive(1, FD_RAW_NEED_DISK));
+			if (poll_drive(true, FD_RAW_NEED_DISK) == -EINTR)
+				return -EINTR;
+		}
 		oldStretch = g->stretch;
 		user_params[drive] = *g;
 		if (buffer_drive == drive)
@@ -3415,7 +3374,7 @@ static inline int normalize_ioctl(int *cmd, int *size)
 			*size = _IOC_SIZE(*cmd);
 			*cmd = ioctl_table[i];
 			if (*size > _IOC_SIZE(*cmd)) {
-				printk("ioctl not yet supported\n");
+				pr_info("ioctl not yet supported\n");
 				return -EFAULT;
 			}
 			return 0;
@@ -3429,8 +3388,10 @@ static int get_floppy_geometry(int drive, int type, struct floppy_struct **g)
 	if (type)
 		*g = &floppy_type[type];
 	else {
-		LOCK_FDC(drive, 0);
-		CALL(poll_drive(0, 0));
+		if (lock_fdc(drive, false))
+			return -EINTR;
+		if (poll_drive(false, 0) == -EINTR)
+			return -EINTR;
 		process_fd_request();
 		*g = current_type[drive];
 	}
@@ -3459,10 +3420,6 @@ static int fd_getgeo(struct block_device *bdev, struct hd_geometry *geo)
 static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
 		    unsigned long param)
 {
-#define FD_IOCTL_ALLOWED (mode & (FMODE_WRITE|FMODE_WRITE_IOCTL))
-#define OUT(c,x) case c: outparam = (const char *) (x); break
-#define IN(c,x,tag) case c: *(x) = inparam. tag ; return 0
-
 	int drive = (long)bdev->bd_disk->private_data;
 	int type = ITYPE(UDRS->fd_device);
 	int i;
@@ -3474,26 +3431,28 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
 		struct floppy_max_errors max_errors;
 		struct floppy_drive_params dp;
 	} inparam;		/* parameters coming from user space */
-	const char *outparam;	/* parameters passed back to user space */
+	const void *outparam;	/* parameters passed back to user space */
 
 	/* convert compatibility eject ioctls into floppy eject ioctl.
 	 * We do this in order to provide a means to eject floppy disks before
 	 * installing the new fdutils package */
 	if (cmd == CDROMEJECT ||	/* CD-ROM eject */
-	    cmd == 0x6470 /* SunOS floppy eject */ ) {
+	    cmd == 0x6470) {		/* SunOS floppy eject */
 		DPRINT("obsolete eject ioctl\n");
 		DPRINT("please use floppycontrol --eject\n");
 		cmd = FDEJECT;
 	}
 
-	/* convert the old style command into a new style command */
-	if ((cmd & 0xff00) == 0x0200) {
-		ECALL(normalize_ioctl(&cmd, &size));
-	} else
+	if (!((cmd & 0xff00) == 0x0200))
 		return -EINVAL;
 
+	/* convert the old style command into a new style command */
+	ret = normalize_ioctl(&cmd, &size);
+	if (ret)
+		return ret;
+
 	/* permission checks */
-	if (((cmd & 0x40) && !FD_IOCTL_ALLOWED) ||
+	if (((cmd & 0x40) && !(mode & (FMODE_WRITE | FMODE_WRITE_IOCTL))) ||
 	    ((cmd & 0x80) && !capable(CAP_SYS_ADMIN)))
 		return -EPERM;
 
@@ -3501,129 +3460,142 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
 		return -EINVAL;
 
 	/* copyin */
-	CLEARSTRUCT(&inparam);
-	if (_IOC_DIR(cmd) & _IOC_WRITE)
-	    ECALL(fd_copyin((void __user *)param, &inparam, size))
-
-		switch (cmd) {
-		case FDEJECT:
-			if (UDRS->fd_ref != 1)
-				/* somebody else has this drive open */
-				return -EBUSY;
-			LOCK_FDC(drive, 1);
-
-			/* do the actual eject. Fails on
-			 * non-Sparc architectures */
-			ret = fd_eject(UNIT(drive));
-
-			USETF(FD_DISK_CHANGED);
-			USETF(FD_VERIFY);
-			process_fd_request();
+	memset(&inparam, 0, sizeof(inparam));
+	if (_IOC_DIR(cmd) & _IOC_WRITE) {
+		ret = fd_copyin((void __user *)param, &inparam, size);
+		if (ret)
 			return ret;
-		case FDCLRPRM:
-			LOCK_FDC(drive, 1);
-			current_type[drive] = NULL;
-			floppy_sizes[drive] = MAX_DISK_SIZE << 1;
-			UDRS->keep_data = 0;
-			return invalidate_drive(bdev);
-		case FDSETPRM:
-		case FDDEFPRM:
-			return set_geometry(cmd, &inparam.g,
-					    drive, type, bdev);
-		case FDGETPRM:
-			ECALL(get_floppy_geometry(drive, type,
-						  (struct floppy_struct **)
-						  &outparam));
-			break;
-
-		case FDMSGON:
-			UDP->flags |= FTD_MSG;
-			return 0;
-		case FDMSGOFF:
-			UDP->flags &= ~FTD_MSG;
-			return 0;
-
-		case FDFMTBEG:
-			LOCK_FDC(drive, 1);
-			CALL(poll_drive(1, FD_RAW_NEED_DISK));
-			ret = UDRS->flags;
-			process_fd_request();
-			if (ret & FD_VERIFY)
-				return -ENODEV;
-			if (!(ret & FD_DISK_WRITABLE))
-				return -EROFS;
-			return 0;
-		case FDFMTTRK:
-			if (UDRS->fd_ref != 1)
-				return -EBUSY;
-			return do_format(drive, &inparam.f);
-		case FDFMTEND:
-		case FDFLUSH:
-			LOCK_FDC(drive, 1);
-			return invalidate_drive(bdev);
-
-		case FDSETEMSGTRESH:
-			UDP->max_errors.reporting =
-			    (unsigned short)(param & 0x0f);
-			return 0;
-			OUT(FDGETMAXERRS, &UDP->max_errors);
-			IN(FDSETMAXERRS, &UDP->max_errors, max_errors);
-
-		case FDGETDRVTYP:
-			outparam = drive_name(type, drive);
-			SUPBOUND(size, strlen(outparam) + 1);
-			break;
-
-			IN(FDSETDRVPRM, UDP, dp);
-			OUT(FDGETDRVPRM, UDP);
-
-		case FDPOLLDRVSTAT:
-			LOCK_FDC(drive, 1);
-			CALL(poll_drive(1, FD_RAW_NEED_DISK));
-			process_fd_request();
-			/* fall through */
-			OUT(FDGETDRVSTAT, UDRS);
-
-		case FDRESET:
-			return user_reset_fdc(drive, (int)param, 1);
-
-			OUT(FDGETFDCSTAT, UFDCS);
+	}
 
-		case FDWERRORCLR:
-			CLEARSTRUCT(UDRWE);
-			return 0;
-			OUT(FDWERRORGET, UDRWE);
-
-		case FDRAWCMD:
-			if (type)
-				return -EINVAL;
-			LOCK_FDC(drive, 1);
-			set_floppy(drive);
-			CALL(i = raw_cmd_ioctl(cmd, (void __user *)param));
-			process_fd_request();
-			return i;
+	switch (cmd) {
+	case FDEJECT:
+		if (UDRS->fd_ref != 1)
+			/* somebody else has this drive open */
+			return -EBUSY;
+		if (lock_fdc(drive, true))
+			return -EINTR;
 
-		case FDTWADDLE:
-			LOCK_FDC(drive, 1);
-			twaddle();
-			process_fd_request();
-			return 0;
+		/* do the actual eject. Fails on
+		 * non-Sparc architectures */
+		ret = fd_eject(UNIT(drive));
 
-		default:
+		set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
+		set_bit(FD_VERIFY_BIT, &UDRS->flags);
+		process_fd_request();
+		return ret;
+	case FDCLRPRM:
+		if (lock_fdc(drive, true))
+			return -EINTR;
+		current_type[drive] = NULL;
+		floppy_sizes[drive] = MAX_DISK_SIZE << 1;
+		UDRS->keep_data = 0;
+		return invalidate_drive(bdev);
+	case FDSETPRM:
+	case FDDEFPRM:
+		return set_geometry(cmd, &inparam.g, drive, type, bdev);
+	case FDGETPRM:
+		ret = get_floppy_geometry(drive, type,
+					  (struct floppy_struct **)&outparam);
+		if (ret)
+			return ret;
+		break;
+	case FDMSGON:
+		UDP->flags |= FTD_MSG;
+		return 0;
+	case FDMSGOFF:
+		UDP->flags &= ~FTD_MSG;
+		return 0;
+	case FDFMTBEG:
+		if (lock_fdc(drive, true))
+			return -EINTR;
+		if (poll_drive(true, FD_RAW_NEED_DISK) == -EINTR)
+			return -EINTR;
+		ret = UDRS->flags;
+		process_fd_request();
+		if (ret & FD_VERIFY)
+			return -ENODEV;
+		if (!(ret & FD_DISK_WRITABLE))
+			return -EROFS;
+		return 0;
+	case FDFMTTRK:
+		if (UDRS->fd_ref != 1)
+			return -EBUSY;
+		return do_format(drive, &inparam.f);
+	case FDFMTEND:
+	case FDFLUSH:
+		if (lock_fdc(drive, true))
+			return -EINTR;
+		return invalidate_drive(bdev);
+	case FDSETEMSGTRESH:
+		UDP->max_errors.reporting = (unsigned short)(param & 0x0f);
+		return 0;
+	case FDGETMAXERRS:
+		outparam = &UDP->max_errors;
+		break;
+	case FDSETMAXERRS:
+		UDP->max_errors = inparam.max_errors;
+		break;
+	case FDGETDRVTYP:
+		outparam = drive_name(type, drive);
+		SUPBOUND(size, strlen((const char *)outparam) + 1);
+		break;
+	case FDSETDRVPRM:
+		*UDP = inparam.dp;
+		break;
+	case FDGETDRVPRM:
+		outparam = UDP;
+		break;
+	case FDPOLLDRVSTAT:
+		if (lock_fdc(drive, true))
+			return -EINTR;
+		if (poll_drive(true, FD_RAW_NEED_DISK) == -EINTR)
+			return -EINTR;
+		process_fd_request();
+		/* fall through */
+	case FDGETDRVSTAT:
+		outparam = UDRS;
+		break;
+	case FDRESET:
+		return user_reset_fdc(drive, (int)param, true);
+	case FDGETFDCSTAT:
+		outparam = UFDCS;
+		break;
+	case FDWERRORCLR:
+		memset(UDRWE, 0, sizeof(*UDRWE));
+		return 0;
+	case FDWERRORGET:
+		outparam = UDRWE;
+		break;
+	case FDRAWCMD:
+		if (type)
 			return -EINVAL;
-		}
+		if (lock_fdc(drive, true))
+			return -EINTR;
+		set_floppy(drive);
+		i = raw_cmd_ioctl(cmd, (void __user *)param);
+		if (i == -EINTR)
+			return -EINTR;
+		process_fd_request();
+		return i;
+	case FDTWADDLE:
+		if (lock_fdc(drive, true))
+			return -EINTR;
+		twaddle();
+		process_fd_request();
+		return 0;
+	default:
+		return -EINVAL;
+	}
 
 	if (_IOC_DIR(cmd) & _IOC_READ)
 		return fd_copyout((void __user *)param, outparam, size);
-	else
-		return 0;
-#undef OUT
-#undef IN
+
+	return 0;
 }
 
 static void __init config_types(void)
 {
-	int first = 1;
+	bool has_drive = false;
 	int drive;
 
 	/* read drive info out of physical CMOS */
@@ -3655,17 +3627,22 @@ static void __init config_types(void)
 			name = temparea;
 		}
 		if (name) {
-			const char *prepend = ",";
-			if (first) {
-				prepend = KERN_INFO "Floppy drive(s):";
-				first = 0;
+			const char *prepend;
+			if (!has_drive) {
+				prepend = "";
+				has_drive = true;
+				pr_info("Floppy drive(s):");
+			} else {
+				prepend = ",";
 			}
-			printk("%s fd%d is %s", prepend, drive, name);
+
+			pr_cont("%s fd%d is %s", prepend, drive, name);
 		}
 		*UDP = *params;
 	}
-	if (!first)
-		printk("\n");
+
+	if (has_drive)
+		pr_cont("\n");
 }
 
 static int floppy_release(struct gendisk *disk, fmode_t mode)
@@ -3705,8 +3682,8 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
 		goto out2;
 
 	if (!UDRS->fd_ref && (UDP->flags & FD_BROKEN_DCL)) {
-		USETF(FD_DISK_CHANGED);
-		USETF(FD_VERIFY);
+		set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
+		set_bit(FD_VERIFY_BIT, &UDRS->flags);
 	}
 
 	if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (mode & FMODE_EXCL)))
@@ -3735,9 +3712,8 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
 			INFBOUND(try, 16);
 			tmp = (char *)fd_dma_mem_alloc(1024 * try);
 		}
-		if (!tmp && !floppy_track_buffer) {
+		if (!tmp && !floppy_track_buffer)
 			fallback_on_nodma_alloc(&tmp, 2048 * try);
-		}
 		if (!tmp && !floppy_track_buffer) {
 			DPRINT("Unable to allocate DMA memory\n");
 			goto out;
@@ -3767,11 +3743,12 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
 		if (mode & (FMODE_READ|FMODE_WRITE)) {
 			UDRS->last_checked = 0;
 			check_disk_change(bdev);
-			if (UTESTF(FD_DISK_CHANGED))
+			if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags))
 				goto out;
 		}
 		res = -EROFS;
-		if ((mode & FMODE_WRITE) && !(UTESTF(FD_DISK_WRITABLE)))
+		if ((mode & FMODE_WRITE) &&
+		    !test_bit(FD_DISK_WRITABLE_BIT, &UDRS->flags))
 			goto out;
 	}
 	mutex_unlock(&open_lock);
@@ -3795,17 +3772,18 @@ static int check_floppy_change(struct gendisk *disk)
 {
 	int drive = (long)disk->private_data;
 
-	if (UTESTF(FD_DISK_CHANGED) || UTESTF(FD_VERIFY))
+	if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
+	    test_bit(FD_VERIFY_BIT, &UDRS->flags))
 		return 1;
 
 	if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) {
-		lock_fdc(drive, 0);
-		poll_drive(0, 0);
+		lock_fdc(drive, false);
+		poll_drive(false, 0);
 		process_fd_request();
 	}
 
-	if (UTESTF(FD_DISK_CHANGED) ||
-	    UTESTF(FD_VERIFY) ||
+	if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
+	    test_bit(FD_VERIFY_BIT, &UDRS->flags) ||
 	    test_bit(drive, &fake_change) ||
 	    (!ITYPE(UDRS->fd_device) && !current_type[drive]))
 		return 1;
@@ -3818,8 +3796,7 @@ static int check_floppy_change(struct gendisk *disk)
  * a disk in the drive, and whether that disk is writable.
  */
 
-static void floppy_rb0_complete(struct bio *bio,
-			       int err)
+static void floppy_rb0_complete(struct bio *bio, int err)
 {
 	complete((struct completion *)bio->bi_private);
 }
@@ -3877,14 +3854,16 @@ static int floppy_revalidate(struct gendisk *disk)
 	int cf;
 	int res = 0;
 
-	if (UTESTF(FD_DISK_CHANGED) ||
-	    UTESTF(FD_VERIFY) || test_bit(drive, &fake_change) || NO_GEOM) {
+	if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
+	    test_bit(FD_VERIFY_BIT, &UDRS->flags) ||
+	    test_bit(drive, &fake_change) || NO_GEOM) {
 		if (usage_count == 0) {
-			printk("VFS: revalidate called on non-open device.\n");
+			pr_info("VFS: revalidate called on non-open device.\n");
 			return -EFAULT;
 		}
-		lock_fdc(drive, 0);
-		cf = UTESTF(FD_DISK_CHANGED) || UTESTF(FD_VERIFY);
+		lock_fdc(drive, false);
+		cf = (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
+		      test_bit(FD_VERIFY_BIT, &UDRS->flags));
 		if (!(cf || test_bit(drive, &fake_change) || NO_GEOM)) {
 			process_fd_request();	/*already done by another thread */
 			return 0;
@@ -3894,7 +3873,7 @@ static int floppy_revalidate(struct gendisk *disk)
 		if (buffer_drive == drive)
 			buffer_track = -1;
 		clear_bit(drive, &fake_change);
-		UCLEARF(FD_DISK_CHANGED);
+		clear_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
 		if (cf)
 			UDRS->generation++;
 		if (NO_GEOM) {
@@ -3902,7 +3881,7 @@ static int floppy_revalidate(struct gendisk *disk)
 			res = __floppy_read_block_0(opened_bdev[drive]);
 		} else {
 			if (cf)
-				poll_drive(0, FD_RAW_NEED_DISK);
+				poll_drive(false, FD_RAW_NEED_DISK);
 			process_fd_request();
 		}
 	}
@@ -3934,21 +3913,21 @@ static char __init get_fdc_version(void)
 	output_byte(FD_DUMPREGS);	/* 82072 and better know DUMPREGS */
 	if (FDCS->reset)
 		return FDC_NONE;
-	if ((r = result()) <= 0x00)
+	r = result();
+	if (r <= 0x00)
 		return FDC_NONE;	/* No FDC present ??? */
 	if ((r == 1) && (reply_buffer[0] == 0x80)) {
-		printk(KERN_INFO "FDC %d is an 8272A\n", fdc);
+		pr_info("FDC %d is an 8272A\n", fdc);
 		return FDC_8272A;	/* 8272a/765 don't know DUMPREGS */
 	}
 	if (r != 10) {
-		printk
-		    ("FDC %d init: DUMPREGS: unexpected return of %d bytes.\n",
-		     fdc, r);
+		pr_info("FDC %d init: DUMPREGS: unexpected return of %d bytes.\n",
+			fdc, r);
 		return FDC_UNKNOWN;
 	}
 
 	if (!fdc_configure()) {
-		printk(KERN_INFO "FDC %d is an 82072\n", fdc);
+		pr_info("FDC %d is an 82072\n", fdc);
 		return FDC_82072;	/* 82072 doesn't know CONFIGURE */
 	}
 
@@ -3956,52 +3935,50 @@ static char __init get_fdc_version(void)
 	if (need_more_output() == MORE_OUTPUT) {
 		output_byte(0);
 	} else {
-		printk(KERN_INFO "FDC %d is an 82072A\n", fdc);
+		pr_info("FDC %d is an 82072A\n", fdc);
 		return FDC_82072A;	/* 82072A as found on Sparcs. */
 	}
 
 	output_byte(FD_UNLOCK);
 	r = result();
 	if ((r == 1) && (reply_buffer[0] == 0x80)) {
-		printk(KERN_INFO "FDC %d is a pre-1991 82077\n", fdc);
-		return FDC_82077_ORIG;	/* Pre-1991 82077, doesn't know 
+		pr_info("FDC %d is a pre-1991 82077\n", fdc);
+		return FDC_82077_ORIG;	/* Pre-1991 82077, doesn't know
 					 * LOCK/UNLOCK */
 	}
 	if ((r != 1) || (reply_buffer[0] != 0x00)) {
-		printk("FDC %d init: UNLOCK: unexpected return of %d bytes.\n",
-		       fdc, r);
+		pr_info("FDC %d init: UNLOCK: unexpected return of %d bytes.\n",
+			fdc, r);
 		return FDC_UNKNOWN;
 	}
 	output_byte(FD_PARTID);
 	r = result();
 	if (r != 1) {
-		printk("FDC %d init: PARTID: unexpected return of %d bytes.\n",
-		       fdc, r);
+		pr_info("FDC %d init: PARTID: unexpected return of %d bytes.\n",
+			fdc, r);
 		return FDC_UNKNOWN;
 	}
 	if (reply_buffer[0] == 0x80) {
-		printk(KERN_INFO "FDC %d is a post-1991 82077\n", fdc);
+		pr_info("FDC %d is a post-1991 82077\n", fdc);
 		return FDC_82077;	/* Revised 82077AA passes all the tests */
 	}
 	switch (reply_buffer[0] >> 5) {
 	case 0x0:
 		/* Either a 82078-1 or a 82078SL running at 5Volt */
-		printk(KERN_INFO "FDC %d is an 82078.\n", fdc);
+		pr_info("FDC %d is an 82078.\n", fdc);
 		return FDC_82078;
 	case 0x1:
-		printk(KERN_INFO "FDC %d is a 44pin 82078\n", fdc);
+		pr_info("FDC %d is a 44pin 82078\n", fdc);
 		return FDC_82078;
 	case 0x2:
-		printk(KERN_INFO "FDC %d is a S82078B\n", fdc);
+		pr_info("FDC %d is a S82078B\n", fdc);
 		return FDC_S82078B;
 	case 0x3:
-		printk(KERN_INFO "FDC %d is a National Semiconductor PC87306\n",
-		       fdc);
+		pr_info("FDC %d is a National Semiconductor PC87306\n", fdc);
 		return FDC_87306;
 	default:
-		printk(KERN_INFO
-		       "FDC %d init: 82078 variant with unknown PARTID=%d.\n",
-		       fdc, reply_buffer[0] >> 5);
+		pr_info("FDC %d init: 82078 variant with unknown PARTID=%d.\n",
+			fdc, reply_buffer[0] >> 5);
 		return FDC_82078_UNKN;
 	}
 }				/* get_fdc_version */
@@ -4113,9 +4090,9 @@ static int __init floppy_setup(char *str)
 				else
 					param = config_params[i].def_param;
 				if (config_params[i].fn)
-					config_params[i].
-					    fn(ints, param,
-					       config_params[i].param2);
+					config_params[i].fn(ints, param,
+							    config_params[i].
+							    param2);
 				if (config_params[i].var) {
 					DPRINT("%s=%d\n", str, param);
 					*config_params[i].var = param;
@@ -4129,8 +4106,8 @@ static int __init floppy_setup(char *str)
 
 		DPRINT("allowed options are:");
 		for (i = 0; i < ARRAY_SIZE(config_params); i++)
-			printk(" %s", config_params[i].name);
-		printk("\n");
+			pr_cont(" %s", config_params[i].name);
+		pr_cont("\n");
 	} else
 		DPRINT("botched floppy option\n");
 	DPRINT("Read Documentation/blockdev/floppy.txt\n");
@@ -4148,7 +4125,8 @@ static ssize_t floppy_cmos_show(struct device *dev,
 	drive = p->id;
 	return sprintf(buf, "%X\n", UDP->cmos);
 }
-DEVICE_ATTR(cmos,S_IRUGO,floppy_cmos_show,NULL);
+
+DEVICE_ATTR(cmos, S_IRUGO, floppy_cmos_show, NULL);
 
 static void floppy_device_release(struct device *dev)
 {
@@ -4160,7 +4138,7 @@ static int floppy_resume(struct device *dev)
 
 	for (fdc = 0; fdc < N_FDC; fdc++)
 		if (FDCS->address != -1)
-			user_reset_fdc(-1, FD_RESET_ALWAYS, 0);
+			user_reset_fdc(-1, FD_RESET_ALWAYS, false);
 
 	return 0;
 }
@@ -4172,8 +4150,8 @@ static const struct dev_pm_ops floppy_pm_ops = {
 
 static struct platform_driver floppy_driver = {
 	.driver = {
-		.name = "floppy",
-		.pm = &floppy_pm_ops,
+		   .name = "floppy",
+		   .pm = &floppy_pm_ops,
 	},
 };
 
@@ -4245,16 +4223,16 @@ static int __init floppy_init(void)
 		else
 			floppy_sizes[i] = MAX_DISK_SIZE << 1;
 
-	reschedule_timeout(MAXTIMEOUT, "floppy init", MAXTIMEOUT);
+	reschedule_timeout(MAXTIMEOUT, "floppy init");
 	config_types();
 
 	for (i = 0; i < N_FDC; i++) {
 		fdc = i;
-		CLEARSTRUCT(FDCS);
+		memset(FDCS, 0, sizeof(*FDCS));
 		FDCS->dtr = -1;
 		FDCS->dor = 0x4;
 #if defined(__sparc__) || defined(__mc68000__)
-		/*sparcs/sun3x don't have a DOR reset which we can fall back on to */
+	/*sparcs/sun3x don't have a DOR reset which we can fall back on to */
 #ifdef __mc68000__
 		if (MACH_IS_SUN3X)
 #endif
@@ -4283,11 +4261,11 @@ static int __init floppy_init(void)
 
 	/* initialise drive state */
 	for (drive = 0; drive < N_DRIVE; drive++) {
-		CLEARSTRUCT(UDRS);
-		CLEARSTRUCT(UDRWE);
-		USETF(FD_DISK_NEWCHANGE);
-		USETF(FD_DISK_CHANGED);
-		USETF(FD_VERIFY);
+		memset(UDRS, 0, sizeof(*UDRS));
+		memset(UDRWE, 0, sizeof(*UDRWE));
+		set_bit(FD_DISK_NEWCHANGE_BIT, &UDRS->flags);
+		set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
+		set_bit(FD_VERIFY_BIT, &UDRS->flags);
 		UDRS->fd_device = -1;
 		floppy_track_buffer = NULL;
 		max_buffer_sectors = 0;
@@ -4307,7 +4285,7 @@ static int __init floppy_init(void)
 		if (FDCS->address == -1)
 			continue;
 		FDCS->rawcmd = 2;
-		if (user_reset_fdc(-1, FD_RESET_ALWAYS, 0)) {
+		if (user_reset_fdc(-1, FD_RESET_ALWAYS, false)) {
 			/* free ioports reserved by floppy_grab_irq_and_dma() */
 			floppy_release_regions(fdc);
 			FDCS->address = -1;
@@ -4330,12 +4308,12 @@ static int __init floppy_init(void)
 		 * properly, so force a reset for the standard FDC clones,
 		 * to avoid interrupt garbage.
 		 */
-		user_reset_fdc(-1, FD_RESET_ALWAYS, 0);
+		user_reset_fdc(-1, FD_RESET_ALWAYS, false);
 	}
 	fdc = 0;
 	del_timer(&fd_timeout);
 	current_drive = 0;
-	initialising = 0;
+	initialized = true;
 	if (have_no_fdc) {
 		DPRINT("no floppy controllers found\n");
 		err = have_no_fdc;
@@ -4356,7 +4334,8 @@ static int __init floppy_init(void)
 		if (err)
 			goto out_flush_work;
 
-		err = device_create_file(&floppy_device[drive].dev,&dev_attr_cmos);
+		err = device_create_file(&floppy_device[drive].dev,
+					 &dev_attr_cmos);
 		if (err)
 			goto out_unreg_platform_dev;
 
@@ -4420,8 +4399,10 @@ static int floppy_request_regions(int fdc)
 	const struct io_region *p;
 
 	for (p = io_regions; p < ARRAY_END(io_regions); p++) {
-		if (!request_region(FDCS->address + p->offset, p->size, "floppy")) {
-			DPRINT("Floppy io-port 0x%04lx in use\n", FDCS->address + p->offset);
+		if (!request_region(FDCS->address + p->offset,
+				    p->size, "floppy")) {
+			DPRINT("Floppy io-port 0x%04lx in use\n",
+			       FDCS->address + p->offset);
 			floppy_release_allocated_regions(fdc, p);
 			return -EBUSY;
 		}
@@ -4512,11 +4493,9 @@ cleanup:
 static void floppy_release_irq_and_dma(void)
 {
 	int old_fdc;
-#ifdef FLOPPY_SANITY_CHECK
 #ifndef __sparc__
 	int drive;
 #endif
-#endif
 	long tmpsize;
 	unsigned long tmpaddr;
 	unsigned long flags;
@@ -4547,20 +4526,18 @@ static void floppy_release_irq_and_dma(void)
 		buffer_min = buffer_max = -1;
 		fd_dma_mem_free(tmpaddr, tmpsize);
 	}
-#ifdef FLOPPY_SANITY_CHECK
 #ifndef __sparc__
 	for (drive = 0; drive < N_FDC * 4; drive++)
 		if (timer_pending(motor_off_timer + drive))
-			printk("motor off timer %d still active\n", drive);
+			pr_info("motor off timer %d still active\n", drive);
 #endif
 
 	if (timer_pending(&fd_timeout))
-		printk("floppy timer still active:%s\n", timeout_message);
+		pr_info("floppy timer still active:%s\n", timeout_message);
 	if (timer_pending(&fd_timer))
-		printk("auxiliary floppy timer still active\n");
+		pr_info("auxiliary floppy timer still active\n");
 	if (work_pending(&floppy_work))
-		printk("work still pending\n");
-#endif
+		pr_info("work still pending\n");
 	old_fdc = fdc;
 	for (fdc = 0; fdc < N_FDC; fdc++)
 		if (FDCS->address != -1)
@@ -4577,7 +4554,9 @@ static void __init parse_floppy_cfg_string(char *cfg)
 	char *ptr;
 
 	while (*cfg) {
-		for (ptr = cfg; *cfg && *cfg != ' ' && *cfg != '\t'; cfg++) ;
+		ptr = cfg;
+		while (*cfg && *cfg != ' ' && *cfg != '\t')
+			cfg++;
 		if (*cfg) {
 			*cfg = '\0';
 			cfg++;
@@ -4625,6 +4604,7 @@ static void __exit floppy_module_exit(void)
 	/* eject disk, if any */
 	fd_eject(0);
 }
+
 module_exit(floppy_module_exit);
 
 module_param(floppy, charp, 0);
@@ -4636,9 +4616,10 @@ MODULE_LICENSE("GPL");
 
 /* This doesn't actually get used other than for module information */
 static const struct pnp_device_id floppy_pnpids[] = {
-	{ "PNP0700", 0 },
-	{ }
+	{"PNP0700", 0},
+	{}
 };
+
 MODULE_DEVICE_TABLE(pnp, floppy_pnpids);
 
 #else
diff --git a/drivers/block/osdblk.c b/drivers/block/osdblk.c
index a808b1530b3b..eb2091aa1c19 100644
--- a/drivers/block/osdblk.c
+++ b/drivers/block/osdblk.c
@@ -476,7 +476,9 @@ static void class_osdblk_release(struct class *cls)
 	kfree(cls);
 }
 
-static ssize_t class_osdblk_list(struct class *c, char *data)
+static ssize_t class_osdblk_list(struct class *c,
+				struct class_attribute *attr,
+				char *data)
 {
 	int n = 0;
 	struct list_head *tmp;
@@ -500,7 +502,9 @@ static ssize_t class_osdblk_list(struct class *c, char *data)
 	return n;
 }
 
-static ssize_t class_osdblk_add(struct class *c, const char *buf, size_t count)
+static ssize_t class_osdblk_add(struct class *c,
+				struct class_attribute *attr,
+				const char *buf, size_t count)
 {
 	struct osdblk_device *osdev;
 	ssize_t rc;
@@ -592,7 +596,9 @@ err_out_mod:
 	return rc;
 }
 
-static ssize_t class_osdblk_remove(struct class *c, const char *buf,
+static ssize_t class_osdblk_remove(struct class *c,
+					struct class_attribute *attr,
+					const char *buf,
 					size_t count)
 {
 	struct osdblk_device *osdev = NULL;
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index b72935b8f203..39c8514442eb 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -284,7 +284,7 @@ static ssize_t kobj_pkt_store(struct kobject *kobj,
 	return len;
 }
 
-static struct sysfs_ops kobj_pkt_ops = {
+static const struct sysfs_ops kobj_pkt_ops = {
 	.show = kobj_pkt_show,
 	.store = kobj_pkt_store
 };
@@ -337,7 +337,9 @@ static void class_pktcdvd_release(struct class *cls)
 {
 	kfree(cls);
 }
-static ssize_t class_pktcdvd_show_map(struct class *c, char *data)
+static ssize_t class_pktcdvd_show_map(struct class *c,
+					struct class_attribute *attr,
+					char *data)
 {
 	int n = 0;
 	int idx;
@@ -356,7 +358,9 @@ static ssize_t class_pktcdvd_show_map(struct class *c, char *data)
 	return n;
 }
 
-static ssize_t class_pktcdvd_store_add(struct class *c, const char *buf,
+static ssize_t class_pktcdvd_store_add(struct class *c,
+					struct class_attribute *attr,
+					const char *buf,
 					size_t count)
 {
 	unsigned int major, minor;
@@ -376,7 +380,9 @@ static ssize_t class_pktcdvd_store_add(struct class *c, const char *buf,
 	return -EINVAL;
 }
 
-static ssize_t class_pktcdvd_store_remove(struct class *c, const char *buf,
+static ssize_t class_pktcdvd_store_remove(struct class *c,
+					  struct class_attribute *attr,
+					  const char *buf,
 					size_t count)
 {
 	unsigned int major, minor;
diff --git a/drivers/char/ChangeLog b/drivers/char/ChangeLog
deleted file mode 100644
index 56b8a2e76ab1..000000000000
--- a/drivers/char/ChangeLog
+++ /dev/null
@@ -1,775 +0,0 @@
-2001-08-11  Tim Waugh  <twaugh@redhat.com>
-
-	* serial.c (get_pci_port): Deal with awkward Titan cards.
-
-1998-08-26  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* serial.c (rs_open): Correctly decrement the module in-use count
-		on errors.
-
-Thu Feb 19 14:24:08 1998  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* tty_io.c (tty_name): Remove the non-reentrant (and non-SMP safe)
-		version of tty_name, and rename the reentrant _tty_name
-		function to be tty_name.
-		(tty_open): Add a warning message stating callout devices
-		are deprecated.
-
-Mon Dec  1 08:24:15 1997  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* tty_io.c (tty_get_baud_rate): Print a warning syslog if the
-		tty->alt_speed kludge is used; this means the system is
-		using the deprecated SPD_HI ioctls.
-
-Mon Nov 24 10:37:49 1997  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* serial.c, esp.c, rocket.c: Change drivers to take advantage of
-	 	tty_get_baud_rate().
-	
-	* tty_io.c (tty_get_baud_rate): New function which computes the
-		correct baud rate for the tty.  More factoring out of
-		common code out of the serial driver to the high-level tty
-		functions....
-
-Sat Nov 22 07:53:36 1997  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* serial.c, esp.c, rocket.c: Add tty->driver.break() routine, and
- 		allow high-level tty code to handle the break and soft
- 		carrier ioctls.
-	
-	* tty_ioctl.c (n_tty_ioctl): Support TIOCGSOFTCAR and
- 		TIOCSSOFTCAR, so that device drivers don't have to support
- 		it.
-
-	* serial.c (autoconfig): Change 16750 test to hopefully eliminate
-		false results by people with strange 16550As being
-		detected as 16750s.  Hopefully 16750s will still be
-		detected as 16750, and other weird UARTs won't get poorly
-		autodetected.  If this doesn't work, I'll have to disable
-		the auto identification for the 16750.
-
-	* tty_io.c (tty_hangup): Now actually do the tty hangup
-		processing during the timer processing, and disable
-		interrupts while doing the hangup processing.  This avoids
-		several nasty race conditions which happened when the
-		hangup processing was done asynchronously.
-		(tty_ioctl): Do break handling in the tty driver if
-		driver's break function is supported.  
-		(tty_flip_buffer_push): New exported function which should
-		be used by drivers to push characters in the flip buffer
-		to the tty handler.  This may either be done using a task
-		queue function for better CPU efficiency, or directly for
-		low latency operation.
-
-	* serial.c (rs_set_termios): Fix bug rs_set_termios when
-		transitioning away from B0, submitted by Stanislav
-		Voronyi. 
-
-Thu Jun 19 20:05:58 1997  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* serial.c (begin_break, end_break, rs_ioctl): Applied patch
-		to support BSD ioctls to set and clear the break
-		condition explicitly.
-
-	* console.c (scrup, scrdown, insert_line, delete_line): Applied
-		fix suggested by Aaron Tiensivu to speed up block scrolls
-		up and down.
-
-	* n_tty.c (opost_block, write_chan): Added a modified "fast
- 		console" patch which processes a block of text via
-		"cooking" efficiently.
-
-Wed Jun 18 15:25:50 1997  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* tty_io.c (init_dev, release_dev): Applied fix suggested by Bill
-		Hawes to prevent race conditions in the tty code.
-
-	* n_tty.c (n_tty_chars_in_buffer): Applied fix suggested by Bill
-		Hawes so that n_tty_chars_in_buffer returns the correct
-		value in the case when the tty is in cannonical mode.  (To
-		avoid a pty deadlock with telnetd.)
-
-Thu Feb 27 01:53:08 1997  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* serial.c (change_speed): Add support for the termios flag
-		CMSPAR, which allows the user to select stick parity.
-		(i.e, if PARODD is set, the parity bit is always 1; if
-		PARRODD is not set, then the parity bit is always 0).
-
-Wed Feb 26 19:03:10 1997  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* serial.c (cleanup_module): Fix memory leak when using the serial
-		driver as a module; make sure tmp_buf gets freed!
-
-Tue Feb 25 11:01:59 1997  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* serial.c (set_modem_info): Add support for setting and clearing
-		the OUT1 and OUT2 bits.  (For special case UART's, usually
-		for half-duplex.)
-		(autoconfig, change_speed): Fix TI 16750 support.
-
-Sun Feb 16 00:14:43 1997  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* tty_io.c (release_dev): Add sanity check to make sure there are
-		no waiters on tty->read_wait or tty->write_wait.
-
-	* serial.c (rs_init): Don't autoconfig a device if the I/O region
-		is already reserved.
-
-	* serial.c (serial_proc_info): Add support for /proc/serial.
-
-Thu Feb 13 00:49:10 1997  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* serial.c (receive_chars): When the UART repotrs an overrun
- 		condition, it does so with a valid character.  Changed to
- 		not throw away the valid character, but instead report the
-		overrun after the valid character.
-
-	* serial.c: Added new #ifdef's for some of the advanced serial
-		driver features.  A minimal driver that only supports COM
-		1/2/3/4 without sharing serial interrupts only takes 17k;
-		the full driver takes 32k.
-		
-Wed Feb 12 14:50:44 1997  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* vt.c:
-	* pty.c: 
-	* tty_ioctl.c: 
-	* serial.c: Update routines to use the new 2.1 memory access
-	 	routines.
-
-Wed Dec  4 07:51:52 1996  Theodore Ts'o  <tytso@localhost.mit.edu>
-
-	* serial.c (change_speed): Use save_flags(); cli() and
-		restore_flags() in order to ensure we don't accidentally
-		turn on interrupts when starting up the port.
-		(startup): Move the insertion of serial structure into the
-		IRQ chain earlier into the startup processing.  Interrupts
-		should be off this whole time, but we eventually will want
-		to reduce this window.
-
-Thu Nov 21 10:05:22 1996  Theodore Ts'o  <tytso@localhost.mit.edu>
-
-	* tty_ioctl.c (tty_wait_until_sent): Always check the driver
- 		wait_until_ready routine, even if there are no characters
- 		in the xmit buffer.  (There may be charactes in the device
- 		FIFO.)
-		(n_tty_ioctl): Add new flag tty->flow_stopped which
- 		indicates whether the tty is stopped due to a request by
- 		the TCXONC ioctl (used by tcflow).  If so, don't let an
- 		incoming XOFF character restart the tty.  The tty can only
- 		be restarted by another TCXONC request.
-
-	* tty_io.c (start_tty): Don't allow the tty to be restarted if
-		tty->flow_stopped is true.
-
-	* n_tty.c (n_tty_receive_char): If tty->flow_stopped is true, and
- 		IXANY is set, don't eat a character trying to restart the
- 		tty.
-
-	* serial.c (startup): Remove need for MCR_noint from the
- 		async_struct structure.  Only turn on DTR and RTS if the
- 		baud rate is not zero.
-		(change_speed): More accurately calculate the timeout
- 		value based on the word size.  Move responsibility of
- 		hangup when speed becomes B0 to rs_set_termios()
-		(set_serial_info): When changing the UART type set the
- 		current xmit_fifo_size as well as the permanent
- 		xmit_fifo_size.
-		(rs_ioctl): Fix TCSBRK (used by tcdrain) and TCSBRKP
- 		ioctls to return EINTR if interrupted by a signal.
-		(rs_set_termios): If the baud rate changes to or from B0,
- 		this function is now responsible for setting or clearing
- 		DTR and RTS.  DTR and RTS are only be changed on the
- 		transition to or from the B0 state.
-		(rs_close): Wait for the characters to drain based on
- 		info->timeout.  At low baud rates (50 bps), it may take a
- 		long time for the FIFO to completely drain out!
-		(rs_wait_until_sent): Fixed timeout handling.  Now
- 		releases control to the scheduler, but checks frequently
- 		enough so that the function is sensitive enough to pass
- 		the timing requirements of the NIST-PCTS.
-		(block_til_ready): When opening the device, don't turn on
- 		DTR and RTS if the baud rate is B0.
-
-Thu Nov 14 00:06:09 1996  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* serial.c (autoconfig): Fix autoconfiguration problems;
-		info->flags wasn't getting initialized from the state
-		structure.  Put in more paranoid test for the 16750.
-
-Fri Nov  8 20:19:50 1996  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* n_tty.c (n_tty_flush_buffer): Only call driver->unthrottle() if
- 		the tty was previous throttled.
-		(n_tty_set_termios, write_chan): Add changes suggested by
- 			Simon P. Allen to allow hardware cooking.
-
-	* tty_ioctl.c (set_termios): If we get a signal while waiting for
-		the tty to drain, return -EINTR.
-	
-	* serial.c (change_speed): Add support for CREAD, as required by
-	 	POSIX.
-
-Sat Nov  2 20:43:10 1996  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* serial.c: Wholesale changes.  Added support for the Startech
- 		16650 and 16650V2 chips.  (WARNING: the new startech
- 		16650A may or may not work!)  Added support for the
- 		TI16750 (not yet tested).  Split async_struct into a
- 		transient part (async_struct) and a permanent part
-		(serial_state) which contains the configuration
- 		information for the ports.  Added new driver routines
- 		wait_until_sent() and send_xchar() to help with POSIX
- 		compliance.  Added support for radio clocks which waggle
-		the carrier detect line (CONFIG_HARD_PPS).
-	
-	* tty_ioctl.c (tty_wait_until_sent): Added call to new driver
-		function tty->driver.wait_until_sent(), which returns when
-		the tty's device xmit buffers are drained.  Needed for
-		full POSIX compliance.
-
-		(send_prio_char): New function, called by the ioctl's
-		TCIOFF and TCION; uses the new driver call send_xchar(),
-		which will send the XON or XOFF character at high priority
-		(and even if tty output is stopped).
-
-Wed Jun  5 18:52:04 1996  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* pty.c (pty_close): When closing a pty, make sure packet mode is
-	 	cleared.
-
-Sun May 26 09:33:52 1996  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* vesa_blank.c (set_vesa_blanking): Add missing verify_area() call.
-
-	* selection.c (set_selection): Add missing verify_area() call.
-
-	* tty_io.c (tty_ioctl): Add missing verify_area() calls.
-
-	* serial.c (rs_ioctl): Add missing verify_area() calls.
-		(rs_init): Allow initialization of serial driver
-		configuration from a module.
-
-	* random.c (extract_entropy): Add missing verify_area call.
-		Don't limit number of characters returned to
-		32,768. Extract entropy is now no longer a inlined
-		function.
-
-		(random_read): Check return value in case extract_entropy
-		returns an error.
-
-		(secure_tcp_sequence_number): New function which returns a
-		secure TCP sequence number.  This is needed to prevent some
-		nasty TCP hijacking attacks.
-	
-		(init_std_data): Initialize using gettimeofday() instead of
-		struct timeval xtime.
-
-		(fast_add_entropy_word, add_entropy_word): Rename the
-		inline function add_entropy_word() to
-		fast_add_entropy_word().  Make add_entropy_word() be the
-		non-inlined function which is used in non-timing critical
-		places, in order to save space.
-
-		(initialize_benchmark, begin_benchmark, end_benchmark): New
-		functions defined when RANDOM_BENCHMARK is defined.  They
-		allow us to benchmark the speed of the
-		add_timer_randomness() call.
-
-		(int_ln, rotate_left): Add two new inline functions with
-		i386 optimized asm instructions.  This speeds up the
-		critical add_entropy_word() and add_timer_randomness()
-		functions, which are called from interrupt handlers.
-
-Tue May  7 22:51:11 1996    <tytso@rsts-11.mit.edu>
-
-	* random.c (add_timer_randomness): Limit the amount randomness
-		that we estimate to 12 bits.  (An arbitrary amount).
-
-		(extract_entropy): To make it harder to analyze the hash
-		function, fold the hash function in half using XOR, and
-		use the folded result as the value to emit to the user.
-		Also, add timer randomness each pass through the
-		exact_entropy call, to increase the amount of unknown
-		values during the extraction process.
-
-		(random_ioctl): Use IOR/IOW definitions to define the
-		ioctl values used by the /dev/random driver.  Allow the
-		old ioctl values to be used for backwards compatibility
-		(for a limited amount of time).
-
-Wed Apr 24 14:02:04 1996  Theodore Ts'o  <tytso@rsts-11.mit.edu>
-
-	* random.c (add_timer_randomness): Use 2nd derivative as well to
-		better estimate entropy.
-
-		(rand_initialize): Explicitly initialize all the pointers
-		to NULL.  (Clearing pointers using memset isn't portable.)
-		Initialize the random pool with OS-dependent data.
-
-		(random_write): Add sanity checking to the arguments to
-		random_write(), so that bad arguments won't cause a kernel
-		SEGV. 
-
-		(random_read): Update the access time of the device inode
-		when you return data to the user.
-
-		(random_ioctl): Wake up the random_wait channel when there
-		are only WAIT_INPUT_BITS available.  Add more paranoia
-		checks to make sure entropy_count doesn't go beyond the
-		bounds of (0, POOLSIZE).  Add a few missing verify_area
-		checks.  Add support for the RNDCLEARPOOL ioctl, which
-		zaps the random pool.
-
-		(add_timer_randomness): Wake up the random_wait
-		channel only when there are WAIT_INPUT_BITS available.
-
-		(random_select): Allow a random refresh daemon process to
-		select on /dev/random for writing; wake up the daemon when
-		there are less than WAIT_OUTPUT_BITS bits of randomness
-		available.
-
-Tue Apr 23 22:56:07 1996    <tytso@rsts-11.mit.edu>
-
-	* tty_io.c (init_dev): Change return code when user attempts to
-		open master pty which is already open from EAGAIN to EIO,
-		to match with BSD expectations.  EIO is more correct
-		anyway, since EAGAIN implies that retrying will be
-		successful --- which it might be.... Eventually!!
-
-	* pty.c (pty_open, pty_close): Fix wait loop so that we don't
-		busy loop while waiting for the master side to open.
-		Fix tty opening/closing logic.  TTY_SLAVE_CLOSED was
-		renamed to TTY_OTHER_CLOSED, so that the name is more
-		descriptive.  Also fixed code so that the tty flag
-		actually works correctly now....
-
-Mon Apr  1 10:22:01 1996    <tytso@rsts-11.mit.edu>
-
-	* serial.c (rs_close): Cleaned up modularization changes.
-		Remove code which forced line discipline back to N_TTY
-		this is done in the tty upper layers, and there's no
-		reason to do it here.  (Making this change also
-		removed the requirement that the serial module access
-		the internal kernel symbol "ldiscs".)
-
-	* tty_io.c (tty_init): Formally register a tty_driver entry for
-		/dev/tty (device 4, 0) and /dev/console (device 5, 0).
-		This guarantees that major device numbers 4 and 5 will be
-		reserved for the tty subsystem (as they have to be because
-		of /dev/tty and /dev/console).  Removed tty_regdev, as
-		this interface is no longer necessary.
-
-Sun Mar 17 20:42:47 GMT 1996 <ah@doc.ic.ac.uk>
-
-	* serial.c : modularisation (changes in linux/fs/device.c allow
-		kerneld to automatically load the serial module).
-
-	* Makefile, Config.in : serial modularisation adds.
-
-	* tty_io.c : tty_init_ctty used by to register "cua" driver just
-		for the /dev/tty device (5,0).  Added tty_regdev.
-	
-	* serial.c (shutdown, rs_ioctl) : when port shuts down wakeup processes
-	  waiting on delta_msr_wait. The TIOCMIWAIT ioctl returns EIO
-	  if no change was done since the time of call.
-
-Sat Mar 16 14:33:13 1996 <aeb@cwi.nl>
-
-	* tty_io.c (disassociate_ctty): If disassociate_ctty is called by
-		exit, do not perform an implicit vhangup on a pty.
-
-Fri Feb  9 14:15:47 1996    <tytso@rsts-11.mit.edu>
-
-	* serial.c (block_til_ready): Fixed another race condition which
-		happens if a hangup happens during the open.
-
-Wed Jan 10 10:08:00 1996    <tytso@rsts-11.mit.edu>
-
-	* serial.c (block_til_ready): Remove race condition which happened
-		if a hangup condition happened during the setup of the
-		UART, before rs_open() called block_til_ready().  This
-		caused the info->count counter to be erroneously
-		decremented.
-
-	* serial.c (startup, rs_open): Remove race condition that could
-		cause a memory leak of one page.  (Fortunately, both race
-		conditions were relatively rare in practice.)
-
-Tue Dec  5 13:21:27 1995    <tytso@rsts-11.mit.edu>
-
-	* serial.c (check_modem_status, rs_ioctl): Support the new
-		ioctl()'s TIOCGICOUNT, TIOCMIWAIT.  These allow an
-		application program to wait on a modem serial register
-		status bit change, and to find out how many changes have
-		taken place for the MSR bits.
-
-		(rs_write): Eliminate a race condition which is introduced
-		if it is necessary to wait for the semaphore.
-
-Sat Nov  4 17:14:45 1995    <tytso@rsts-11.mit.edu>
-
-	* tty_io.c (tty_init): Move registration of TTY_MAJOR and
-		TTY_AUX_MAJOR to the end, so that /proc/devices looks
-		prettier. 
-
-	* pty.c (pty_init): Use new major numbers for PTY master and slave
-		devices.  This allow us to have more than 64 pty's.  We
-		register the old pty devices for backwards compatibility.
-		Note that a system should either be using the old pty
-		devices or the new pty devices --- in general, it should
-		try to use both, since they map into the same pty table.
-		The old pty devices are strictly for backwards compatibility.
-
-Wed Oct 11 12:45:24 1995    <tytso@rsts-11.mit.edu>
-
-	* tty_io.c (disassociate_ctty): If disassociate_ctty is called by
-		exit, perform an implicit vhangup on the tty.
-
-	* pty.c (pty_close): When the master pty is closed, send a hangup
-		to the slave pty.
-		(pty_open): Use the flag TTY_SLAVE_CLOSED to test to see
-		if there are any open slave ptys, instead of using
-		tty->link->count.  The old method got confused if there
-		were processes that had hung-up file descriptors on the
-		slave tty.
-
-Tue May  2 00:53:25 1995    <tytso@rsx-11.mit.edu>
-
-	* tty_io.c (tty_set_ldisc): Wait until the output buffer is
-		drained before closing the old line discipline --- needed
-		in only one case: XON/XOFF processing.
-
-	* n_tty.c (n_tty_close): Don't bother waiting until the output
-		driver is closed; in general, the line discipline
-		shouldn't care if the hardware is finished
-		transmitting before the line discipline terminates.
-
-	* tty_io.c (release_dev): Shutdown the line discipline after
-		decrementing the tty count variable; but set the
-		TTY_CLOSING flag so that we know that this tty structure
-		isn't long for this world.
-
-	* tty_io.c (init_dev): Add sanity code to check to see if
-		TTY_CLOSING is set on a tty structure; if so, something
-		bad has happened (probably a line discipline close blocked
-		when it shouldn't have; so do a kernel printk and then
-		return an error).
-
-Wed Apr 26 10:23:44 1995  Theodore Y. Ts'o  <tytso@localhost>
-
-	* tty_io.c (release_dev): Try to shutdown the line discipline
-		*before* decrementing the tty count variable; this removes
-		a potential race condition which occurs when the line
-		discipline close blocks, and another process then tries
-		open the same serial port.
-
-	* serial.c (rs_hangup): When hanging up, flush the output buffer
-		before shutting down the UART.  Otherwise the line
-		discipline close blocks waiting for the characters to get
-		flushed, which never happens until the serial port gets reused.
-
-Wed Apr 12 08:06:16 1995  Theodore Y. Ts'o  <tytso@localhost>
-
-	* serial.c (do_serial_hangup, do_softint, check_modem_status,
-		rs_init):  Hangups are now scheduled via a separate tqueue
-		structure in the async_struct structure, tqueue_hangup.
-		This task is pushed on to the tq_schedule queue, so that
-		it is processed synchronously by the scheduler.
-
-Sat Feb 18 12:13:51 1995  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* tty_io.c (disassociate_ctty, tty_open, tty_ioctl): Clear
-		current->tty_old_pgrp field when a session leader
-		acquires a controlling tty, and after a session leader
-		has disassociated from a controlling tty.
-
-Fri Feb 17 09:34:09 1995  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* serial.c (rs_interrupt_single, rs_interrupt, rs_interrupt_multi): 
-		Change the number of passes made from 64 to be 256,
-		configurable with the #define RS_ISR_PASS_LIMIT.
-
-	* serial.c (rs_init, set_serial_info, get_serial_info, rs_close):
-		Remove support for closing_wait2.  Instead, set
-		tty->closing and rely on the line discipline to prevent
-		echo wars.
-
-	* n_tty.c (n_tty_receive_char):  IEXTEN does not need to be
-		enabled in order for IXANY to be active.
-
-		If tty->closing is set, then only process XON and XOFF
-                characters.
-
-Sun Feb 12 23:57:48 1995  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* serial.c (rs_timer): Change the interrupt poll time from 60
-		seconds to 10 seconds, configurable with the #define
-		RS_STROBE_TIME.
-
-	* serial.c (rs_interrupt_multi, startup, shutdown, rs_ioctl,
-		set_multiport_struct, get_multiport_struct): Add
-		provisions for a new type of interrupt service routine,
-		which better supports multiple serial ports on a single
-		IRQ.  
-
-Sun Feb  5 19:35:11 1995  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* tty_ioctl.c (n_tty_ioctl, set_termios, tty_wait_until_sent): 
-	* serial.c (rs_ioctl, rs_close): 
-	* cyclades.c (cy_ioctl, cy_close): 
-	* n_tty.c (n_tty_close):  Rename wait_until_sent to
-		tty_wait_until_sent, so that it's a better name to export
-		in ksyms.c.
-
-Sat Feb  4 23:36:20 1995  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* serial.c (rs_close): Added missing check for closing_wait2 being
-		ASYNC_CLOSING_WAIT_NONE.
-
-Thu Jan 26 09:02:49 1995  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* serial.c (rs_init, set_serial_info, get_serial_info,
-		rs_close): Support close_wait in the serial driver.
-		This is helpful for slow devices (like serial
-		plotters) so that their outputs don't get flushed upon
-		device close.  This has to be configurable because
-		normally we don't want ports to be hung up for long
-		periods of time during a close when they are not
-		connected to a device, or the device is powered off.
-
-		The default is to wait 30 seconds; in the case of a
-		very slow device, the close_wait timeout should be
-		lengthened.  If it is set to 0, the kernel will wait
-		forever for all of the data to be transmitted.
-
-Thu Jan 17 01:17:20 1995  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* serial.c (startup, change_speed, rs_init): Add support to detect
-		the StarTech 16650 chip.  Treat it as a 16450 for now,
-		because of its FIFO bugs.
-
-Thu Jan  5 21:21:57 1995  <dahinds@users.sourceforge.net>
-
-	* serial.c: (receive_char): Added counter to prevent infinite loop
-		when a PCMCIA serial device is ejected.
-
-Thu Dec 29 17:53:48 1994    <tytso@rsx-11.mit.edu>
-
-	* tty_io.c (check_tty_count): New procedure which checks
-		tty->count to make sure that it matches with the number of
-		open file descriptors which point at the structure.  If
-		the number doesn't match, it prints a warning message.
-
-Wed Dec 28 15:41:51 1994    <tytso@rsx-11.mit.edu>
-
-	* tty_io.c (do_tty_hangup, disassociate_ctty): At hangup time,
-		save the tty's current foreground process group in the
-		session leader's task structure.  When the session leader
-		terminates, send a SIGHUP, SIGCONT to that process group.
-		This is not required by POSIX, but it's not prohibited
-		either, and it appears to be the least intrusive way
-		to fix a problem that dialup servers have with
-		orphaned process groups caused by modem hangups.
-
-Thu Dec  8 14:52:11 1994    <tytso@rsx-11.mit.edu>
-
-	* serial.c (rs_ioctl): Don't allow most ioctl's if the serial port
-		isn't initialized.
-
-	* serial.c (rs_close): Don't clear the IER if the serial port
-		isn't initialized. 
-
-	* serial.c (block_til_ready): Don't try to block on the dialin
-		port if the serial port isn't initialized.
-
-Wed Dec  7 10:48:30 1994  Si Park (si@wimpol.demon.co.uk)
-	* tty_io.c (tty_register_driver): Fix bug when linking onto
-		the tty_drivers list. We now test that there are elements
-		already on the list before setting the back link from the
-		first element to the new driver.
-
-	* tty_io.c (tty_unregister_driver): Fix bug in unlinking the
-		specified driver from the tty_drivers list. We were not
-		setting the back link correctly. This used to result in
-		a dangling back link pointer and cause panics on the next
-		call to get_tty_driver().
-
-Tue Nov 29 10:21:09 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* tty_io.c (tty_unregister_driver): Fix bug in
-		tty_unregister_driver where the pointer to the refcount is
-		tested, instead of the refcount itself.  This caused
-		tty_unregister_driver to always return EBUSY.
-
-Sat Nov 26 11:59:24 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* tty_io.c (tty_ioctl): Add support for the new ioctl
-		TIOCTTYGSTRUCT, which allow a kernel debugging program
-		direct read access to the tty and tty_driver structures.
-
-Fri Nov 25 17:26:22 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* serial.c (rs_set_termios): Don't wake up processes blocked in
-		open when the CLOCAL flag changes, since a blocking
-		open only samples the CLOCAL flag once when it blocks,
-		and doesn't check it again.  (n.b.  FreeBSD has a
-		different behavior for blocking opens; it's not clear
-		whether Linux or FreeBSD's interpretation is correct.
-		POSIX doesn't give clear guidance on this issue, so
-		this may change in the future....)
-
-	* serial.c (block_til_ready): Use the correct termios structure to
-		check the CLOCAL flag.  If the cuaXX device is active,
-		then check the saved termios for the ttySXX device.
-		Otherwise, use the currently active termios structure.
-
-Sun Nov  6 21:05:44 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* serial.c (change_speed): Add support for direct access of
-		57,600 and 115,200 bps.
-
-Wed Nov  2 10:32:36 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* n_tty.c (n_tty_receive_room): Only allow excess characters
-		through if we are in ICANON mode *and* there are other no
-		pending lines in the buffer.  Otherwise cut and paste over
-		4k breaks.
-
-Sat Oct 29 18:17:34 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* serial.c (rs_ioctl, get_lsr_info): Added patch suggested by Arne
-		Riiber so that user mode programs can tell when the
-		transmitter shift register is empty.
-
-Thu Oct 27 23:14:29 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* tty_ioctl.c (wait_until_sent): Added debugging printk statements
-		(under the #ifdef TTY_DEBUG_WAIT_UNTIL_SENT)  
-
-	* serial.c (rs_interrupt, rs_interrupt_single, receive_chars,
-		change_speed, rs_close): rs_close now disables receiver
-		interrupts when closing the serial port.  This allows the
-		serial port to close quickly when Linux and a modem (or a
-		mouse) are engaged in an echo war; when closing the serial
-		port, we now first stop listening to incoming characters,
-		and *then* wait for the transmit buffer to drain.  
-
-		In order to make this change, the info->read_status_mask
-		is now used to control what bits of the line status
-		register are looked at in the interrupt routine in all
-		cases; previously it was only used in receive_chars to
-		select a few of the status bits.
-
-Mon Oct 24 23:36:21 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* serial.c (rs_close): Add a timeout to the transmitter flush
-		loop; this is just a sanity check in case we have flaky
-		(or non-existent-but-configured-by-the-user) hardware.
-
-Fri Oct 21 09:37:23 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* tty_io.c (tty_fasync): When asynchronous I/O is enabled, if the
-		process or process group has not be specified yet, set it
-		to be the tty's process group, or if that is not yet set,
-		to the current process's pid.
-
-Thu Oct 20 23:17:28 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* n_tty.c (n_tty_receive_room): If we are doing input
-		canonicalization, let as many characters through as
-		possible, so that the excess characters can be "beeped".
-
-Tue Oct 18 10:02:43 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* serial.c (rs_start): Removed an incorrect '!' that was
-		preventing transmit interrupts from being re-enabled in
-		rs_start().  Fortunately in most cases it would be
-		re-enabled elsewhere, but this still should be fixed
-		correctly.
-
-Sun Oct  9 23:46:03 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* tty_io.c (do_tty_hangup): If the tty driver flags
-		TTY_DRIVER_RESET_TERMIOS is set, then reset the termios
-		settings back to the driver's initial configuration.  This
-		allows the termios settings to be reset even if a process
-		has hung up file descriptors keeping a pty's termios from
-		being freed and reset.
-
-	* tty_io.c (release_dev): Fix memory leak.  The pty's other
-		termios structure should also be freed.
-
-	* serial.c (rs_close, shutdown): Change how we wait for the
-		transmitter to completely drain before shutting down the
-		serial port.  We now do it by scheduling in another
-		process instead of busy looping with the interrupts turned
-		on.  This may eliminate some race condition problems that
-		some people seem to be reporting.
-
-Sun Sep 25 14:18:14 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* tty_io.c (release_dev): When freeing a tty make sure that both
-		the tty and the o_tty (if present) aren't a process's
-		controlling tty.  (Previously, we only checked the tty.)
-
-	* serial.c (change_speed): Only enable the Modem Status
-		Interrupt for a port if CLOCAL is not set or CRTSCTS
-		is set.  If we're not checking the carrier detect and
-		CTS line, there's no point in enabling the modem
-		status interrupt.  This will save spurious interrupts
-		from slowing down systems who have terminals that
-		don't support either line.  (Of course, if you want
-		only one of CD and CTS support, you will need a
-		properly wired serial cable.)
-
-Thu Sep 22 08:32:48 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* tty_io.c (do_SAK): Return if tty is null.
-
-	* tty_io.c (_tty_name): Return "NULL tty" if the passed in tty is
-		NULL.
-
-Sat Sep 17 13:19:25 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* tty_ioctl.c (n_tty_ioctl): Fix TIOCGLCKTRMIOS and
-		TIOCSLCKTRMIOS, which were totally broken.  Remove
-		extra indirection from argument; it should be a struct
-		termios *, not a struct termios **.
-		&real_tty->termios_locked should have been
-		real_tty->termios_locked.  This caused us to be
-		reading and writing the termios_locked structure to
-		random places in kernel memory.  
-
-	* tty_io.c (release_dev): Oops!  Forgot to delete a critical kfree
-		of the locked_termios.  This leaves the locked_termios
-		structure pointed at a freed object.  
-
-Fri Sep 16 08:13:25 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* tty_io.c (tty_open): Don't check for an exclusive open until
-		after the device specific open routine has been called.
-		Otherwise, the serial device ref counting will be screwed
-		up.
-
-	* serial.c (rs_open, block_til_ready): Don't set termios structure
-		until after block_til_ready has returned successfully.
-		Modify block_til_ready to check the normal_termios
-		structure directly, so it doesn't rely on termios being
-		set before it's called.
-
-Thu Sep 15 23:34:01 1994  Theodore Y. Ts'o  (tytso@rt-11)
-
-	* serial.c (rs_close): Turn off interrupts during rs_close() to
-		prevent a race condition with the hangup code (which
-		runs during a software interrupt).
-
-	* tty_io.c (release_dev): Don't free the locked_termios structure;
-		its state must be retained across device opens.
-
-
-	* tty_io.c (tty_unregister_driver): Added function to unregister a
-		tty driver.  (For loadable device drivers.)
-
-
diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig
index 2fb3a480f6b0..4b66c69eaf57 100644
--- a/drivers/char/agp/Kconfig
+++ b/drivers/char/agp/Kconfig
@@ -57,7 +57,7 @@ config AGP_AMD
 
 config AGP_AMD64
 	tristate "AMD Opteron/Athlon64 on-CPU GART support"
-	depends on AGP && X86
+	depends on AGP && X86 && K8_NB
 	help
 	  This option gives you AGP support for the GLX component of
 	  X using the on-CPU northbridge of the AMD Athlon64/Opteron CPUs.
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 8a713f1e9653..b78d5c381efe 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -11,6 +11,9 @@
 #include <asm/smp.h>
 #include "agp.h"
 
+int intel_agp_enabled;
+EXPORT_SYMBOL(intel_agp_enabled);
+
 /*
  * If we have Intel graphics, we're not going to have anything other than
  * an Intel IOMMU. So make the correct use of the PCI DMA API contingent
@@ -65,6 +68,10 @@
 #define PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB	    0x0062
 #define PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB    0x006a
 #define PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG	    0x0046
+#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB  0x0100
+#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_IG  0x0102
+#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB  0x0104
+#define PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_IG  0x0106
 
 /* cover 915 and 945 variants */
 #define IS_I915 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_E7221_HB || \
@@ -90,6 +97,9 @@
 #define IS_PINEVIEW (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB || \
 		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_PINEVIEW_HB)
 
+#define IS_SNB (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB || \
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB)
+
 #define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_EAGLELAKE_HB || \
 		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \
 		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G45_HB || \
@@ -99,7 +109,8 @@
 		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB || \
 		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB || \
 		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB || \
-		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB)
+		agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB || \
+		IS_SNB)
 
 extern int agp_memory_reserved;
 
@@ -148,6 +159,29 @@ extern int agp_memory_reserved;
 #define INTEL_I7505_AGPCTRL	0x70
 #define INTEL_I7505_MCHCFG	0x50
 
+#define SNB_GMCH_CTRL	0x50
+#define SNB_GMCH_GMS_STOLEN_MASK	0xF8
+#define SNB_GMCH_GMS_STOLEN_32M		(1 << 3)
+#define SNB_GMCH_GMS_STOLEN_64M		(2 << 3)
+#define SNB_GMCH_GMS_STOLEN_96M		(3 << 3)
+#define SNB_GMCH_GMS_STOLEN_128M	(4 << 3)
+#define SNB_GMCH_GMS_STOLEN_160M	(5 << 3)
+#define SNB_GMCH_GMS_STOLEN_192M	(6 << 3)
+#define SNB_GMCH_GMS_STOLEN_224M	(7 << 3)
+#define SNB_GMCH_GMS_STOLEN_256M	(8 << 3)
+#define SNB_GMCH_GMS_STOLEN_288M	(9 << 3)
+#define SNB_GMCH_GMS_STOLEN_320M	(0xa << 3)
+#define SNB_GMCH_GMS_STOLEN_352M	(0xb << 3)
+#define SNB_GMCH_GMS_STOLEN_384M	(0xc << 3)
+#define SNB_GMCH_GMS_STOLEN_416M	(0xd << 3)
+#define SNB_GMCH_GMS_STOLEN_448M	(0xe << 3)
+#define SNB_GMCH_GMS_STOLEN_480M	(0xf << 3)
+#define SNB_GMCH_GMS_STOLEN_512M	(0x10 << 3)
+#define SNB_GTT_SIZE_0M			(0 << 8)
+#define SNB_GTT_SIZE_1M			(1 << 8)
+#define SNB_GTT_SIZE_2M			(2 << 8)
+#define SNB_GTT_SIZE_MASK		(3 << 8)
+
 static const struct aper_size_info_fixed intel_i810_sizes[] =
 {
 	{64, 16384, 4},
@@ -270,7 +304,7 @@ static void intel_agp_insert_sg_entries(struct agp_memory *mem,
 			j++;
 		}
 	} else {
-		/* sg may merge pages, but we have to seperate
+		/* sg may merge pages, but we have to separate
 		 * per-page addr for GTT */
 		unsigned int len, m;
 
@@ -294,6 +328,13 @@ static void intel_agp_insert_sg_entries(struct agp_memory *mem,
 					off_t pg_start, int mask_type)
 {
 	int i, j;
+	u32 cache_bits = 0;
+
+	if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB ||
+	    agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB)
+	{
+		cache_bits = I830_PTE_SYSTEM_CACHED;
+	}
 
 	for (i = 0, j = pg_start; i < mem->page_count; i++, j++) {
 		writel(agp_bridge->driver->mask_memory(agp_bridge,
@@ -614,7 +655,7 @@ static struct aper_size_info_fixed intel_i830_sizes[] =
 static void intel_i830_init_gtt_entries(void)
 {
 	u16 gmch_ctrl;
-	int gtt_entries;
+	int gtt_entries = 0;
 	u8 rdct;
 	int local = 0;
 	static const int ddt[4] = { 0, 16, 32, 64 };
@@ -706,6 +747,63 @@ static void intel_i830_init_gtt_entries(void)
 			gtt_entries = 0;
 			break;
 		}
+	} else if (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB ||
+		   agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB) {
+		/*
+		 * SandyBridge has new memory control reg at 0x50.w
+		 */
+		u16 snb_gmch_ctl;
+		pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl);
+		switch (snb_gmch_ctl & SNB_GMCH_GMS_STOLEN_MASK) {
+		case SNB_GMCH_GMS_STOLEN_32M:
+			gtt_entries = MB(32) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_64M:
+			gtt_entries = MB(64) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_96M:
+			gtt_entries = MB(96) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_128M:
+			gtt_entries = MB(128) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_160M:
+			gtt_entries = MB(160) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_192M:
+			gtt_entries = MB(192) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_224M:
+			gtt_entries = MB(224) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_256M:
+			gtt_entries = MB(256) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_288M:
+			gtt_entries = MB(288) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_320M:
+			gtt_entries = MB(320) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_352M:
+			gtt_entries = MB(352) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_384M:
+			gtt_entries = MB(384) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_416M:
+			gtt_entries = MB(416) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_448M:
+			gtt_entries = MB(448) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_480M:
+			gtt_entries = MB(480) - KB(size);
+			break;
+		case SNB_GMCH_GMS_STOLEN_512M:
+			gtt_entries = MB(512) - KB(size);
+			break;
+		}
 	} else {
 		switch (gmch_ctrl & I855_GMCH_GMS_MASK) {
 		case I855_GMCH_GMS_STOLEN_1M:
@@ -1108,6 +1206,9 @@ static void intel_i9xx_setup_flush(void)
 	if (intel_private.ifp_resource.start)
 		return;
 
+	if (IS_SNB)
+		return;
+
 	/* setup a resource for this object */
 	intel_private.ifp_resource.name = "Intel Flush Page";
 	intel_private.ifp_resource.flags = IORESOURCE_MEM;
@@ -1346,6 +1447,8 @@ static unsigned long intel_i965_mask_memory(struct agp_bridge_data *bridge,
 
 static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
 {
+	u16 snb_gmch_ctl;
+
 	switch (agp_bridge->dev->device) {
 	case PCI_DEVICE_ID_INTEL_GM45_HB:
 	case PCI_DEVICE_ID_INTEL_EAGLELAKE_HB:
@@ -1359,6 +1462,25 @@ static void intel_i965_get_gtt_range(int *gtt_offset, int *gtt_size)
 	case PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB:
 		*gtt_offset = *gtt_size = MB(2);
 		break;
+	case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB:
+	case PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB:
+		*gtt_offset = MB(2);
+
+		pci_read_config_word(intel_private.pcidev, SNB_GMCH_CTRL, &snb_gmch_ctl);
+		switch (snb_gmch_ctl & SNB_GTT_SIZE_MASK) {
+		default:
+		case SNB_GTT_SIZE_0M:
+			printk(KERN_ERR "Bad GTT size mask: 0x%04x.\n", snb_gmch_ctl);
+			*gtt_size = MB(0);
+			break;
+		case SNB_GTT_SIZE_1M:
+			*gtt_size = MB(1);
+			break;
+		case SNB_GTT_SIZE_2M:
+			*gtt_size = MB(2);
+			break;
+		}
+		break;
 	default:
 		*gtt_offset = *gtt_size = KB(512);
 	}
@@ -2338,9 +2460,9 @@ static const struct intel_driver_description {
 		NULL, &intel_g33_driver },
 	{ PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, 0, "Q33",
 		NULL, &intel_g33_driver },
-	{ PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB, PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG, 0, "Pineview",
+	{ PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB, PCI_DEVICE_ID_INTEL_PINEVIEW_M_IG, 0, "GMA3150",
 		NULL, &intel_g33_driver },
-	{ PCI_DEVICE_ID_INTEL_PINEVIEW_HB, PCI_DEVICE_ID_INTEL_PINEVIEW_IG, 0, "Pineview",
+	{ PCI_DEVICE_ID_INTEL_PINEVIEW_HB, PCI_DEVICE_ID_INTEL_PINEVIEW_IG, 0, "GMA3150",
 		NULL, &intel_g33_driver },
 	{ PCI_DEVICE_ID_INTEL_GM45_HB, PCI_DEVICE_ID_INTEL_GM45_IG, 0,
 	    "GM45", NULL, &intel_i965_driver },
@@ -2355,13 +2477,17 @@ static const struct intel_driver_description {
 	{ PCI_DEVICE_ID_INTEL_G41_HB, PCI_DEVICE_ID_INTEL_G41_IG, 0,
 	    "G41", NULL, &intel_i965_driver },
 	{ PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_D_IG, 0,
-	    "Ironlake/D", NULL, &intel_i965_driver },
+	    "HD Graphics", NULL, &intel_i965_driver },
 	{ PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG, 0,
-	    "Ironlake/M", NULL, &intel_i965_driver },
+	    "HD Graphics", NULL, &intel_i965_driver },
 	{ PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG, 0,
-	    "Ironlake/MA", NULL, &intel_i965_driver },
+	    "HD Graphics", NULL, &intel_i965_driver },
 	{ PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB, PCI_DEVICE_ID_INTEL_IRONLAKE_M_IG, 0,
-	    "Ironlake/MC2", NULL, &intel_i965_driver },
+	    "HD Graphics", NULL, &intel_i965_driver },
+	{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB, PCI_DEVICE_ID_INTEL_SANDYBRIDGE_IG, 0,
+	    "Sandybridge", NULL, &intel_i965_driver },
+	{ PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB, PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_IG, 0,
+	    "Sandybridge", NULL, &intel_i965_driver },
 	{ 0, 0, 0, NULL, NULL, NULL }
 };
 
@@ -2371,7 +2497,7 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
 	struct agp_bridge_data *bridge;
 	u8 cap_ptr = 0;
 	struct resource *r;
-	int i;
+	int i, err;
 
 	cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP);
 
@@ -2463,7 +2589,10 @@ static int __devinit agp_intel_probe(struct pci_dev *pdev,
 	}
 
 	pci_set_drvdata(pdev, bridge);
-	return agp_add_bridge(bridge);
+	err = agp_add_bridge(bridge);
+	if (!err)
+		intel_agp_enabled = 1;
+	return err;
 }
 
 static void __devexit agp_intel_remove(struct pci_dev *pdev)
@@ -2568,6 +2697,8 @@ static struct pci_device_id agp_intel_pci_table[] = {
 	ID(PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB),
 	ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB),
 	ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB),
+	ID(PCI_DEVICE_ID_INTEL_SANDYBRIDGE_HB),
+	ID(PCI_DEVICE_ID_INTEL_SANDYBRIDGE_M_HB),
 	{ }
 };
 
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index fe2cb2f5db17..a7424bf7eacf 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -14,7 +14,7 @@
 /* et passe en argument a acinit, mais est scrute sur le bus pour s'adapter  */
 /* au nombre de cartes presentes sur le bus. IOCL code 6 affichait V2.4.3    */
 /* F.LAFORSE 28/11/95 creation de fichiers acXX.o avec les differentes       */
-/* adresses de base des cartes, IOCTL 6 plus complet                         */
+/* addresses de base des cartes, IOCTL 6 plus complet                         */
 /* J.PAGET le 19/08/96 copie de la version V2.6 en V2.8.0 sans modification  */
 /* de code autre que le texte V2.6.1 en V2.8.0                               */
 /*****************************************************************************/
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 4254457d3911..b861c08263a4 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -158,13 +158,11 @@ static unsigned int cy_isa_addresses[] = {
 
 #define NR_ISA_ADDRS ARRAY_SIZE(cy_isa_addresses)
 
-#ifdef MODULE
 static long maddr[NR_CARDS];
 static int irq[NR_CARDS];
 
 module_param_array(maddr, long, NULL, 0);
 module_param_array(irq, int, NULL, 0);
-#endif
 
 #endif				/* CONFIG_ISA */
 
@@ -598,12 +596,6 @@ static void cyy_chip_tx(struct cyclades_card *cinfo, unsigned int chip,
 	save_car = readb(base_addr + (CyCAR << index));
 	cy_writeb(base_addr + (CyCAR << index), save_xir);
 
-	/* validate the port# (as configured and open) */
-	if (channel + chip * 4 >= cinfo->nports) {
-		cy_writeb(base_addr + (CySRER << index),
-			  readb(base_addr + (CySRER << index)) & ~CyTxRdy);
-		goto end;
-	}
 	info = &cinfo->ports[channel + chip * 4];
 	tty = tty_port_tty_get(&info->port);
 	if (tty == NULL) {
@@ -3316,13 +3308,10 @@ static int __init cy_detect_isa(void)
 	unsigned short cy_isa_irq, nboard;
 	void __iomem *cy_isa_address;
 	unsigned short i, j, cy_isa_nchan;
-#ifdef MODULE
 	int isparam = 0;
-#endif
 
 	nboard = 0;
 
-#ifdef MODULE
 	/* Check for module parameters */
 	for (i = 0; i < NR_CARDS; i++) {
 		if (maddr[i] || i) {
@@ -3332,7 +3321,6 @@ static int __init cy_detect_isa(void)
 		if (!maddr[i])
 			break;
 	}
-#endif
 
 	/* scan the address table probing for Cyclom-Y/ISA boards */
 	for (i = 0; i < NR_ISA_ADDRS; i++) {
@@ -3353,11 +3341,10 @@ static int __init cy_detect_isa(void)
 			iounmap(cy_isa_address);
 			continue;
 		}
-#ifdef MODULE
+
 		if (isparam && i < NR_CARDS && irq[i])
 			cy_isa_irq = irq[i];
 		else
-#endif
 			/* find out the board's irq by probing */
 			cy_isa_irq = detect_isa_irq(cy_isa_address);
 		if (cy_isa_irq == 0) {
@@ -4208,3 +4195,4 @@ module_exit(cy_cleanup_module);
 MODULE_LICENSE("GPL");
 MODULE_VERSION(CY_VERSION);
 MODULE_ALIAS_CHARDEV_MAJOR(CYCLADES_MAJOR);
+MODULE_FIRMWARE("cyzfirm.bin");
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index e481c5938bad..9c5eea3ea4de 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -215,9 +215,7 @@ static void hpet_timer_set_irq(struct hpet_dev *devp)
 	else
 		v &= ~0xffff;
 
-	for (irq = find_first_bit(&v, HPET_MAX_IRQ); irq < HPET_MAX_IRQ;
-		irq = find_next_bit(&v, HPET_MAX_IRQ, 1 + irq)) {
-
+	for_each_set_bit(irq, &v, HPET_MAX_IRQ) {
 		if (irq >= nr_irqs) {
 			irq = HPET_MAX_IRQ;
 			break;
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index 4c3b59be286a..ba55bba151b9 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -146,7 +146,7 @@ static void hvc_console_print(struct console *co, const char *b,
 		return;
 
 	/* This console adapter was removed so it is not usable. */
-	if (vtermnos[index] < 0)
+	if (vtermnos[index] == -1)
 		return;
 
 	while (count > 0 || i > 0) {
@@ -312,6 +312,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
 	spin_lock_irqsave(&hp->lock, flags);
 	/* Check and then increment for fast path open. */
 	if (hp->count++ > 0) {
+		tty_kref_get(tty);
 		spin_unlock_irqrestore(&hp->lock, flags);
 		hvc_kick();
 		return 0;
@@ -319,7 +320,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
 
 	tty->driver_data = hp;
 
-	hp->tty = tty;
+	hp->tty = tty_kref_get(tty);
 
 	spin_unlock_irqrestore(&hp->lock, flags);
 
@@ -336,6 +337,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
 		spin_lock_irqsave(&hp->lock, flags);
 		hp->tty = NULL;
 		spin_unlock_irqrestore(&hp->lock, flags);
+		tty_kref_put(tty);
 		tty->driver_data = NULL;
 		kref_put(&hp->kref, destroy_hvc_struct);
 		printk(KERN_ERR "hvc_open: request_irq failed with rc %d.\n", rc);
@@ -363,13 +365,18 @@ static void hvc_close(struct tty_struct *tty, struct file * filp)
 		return;
 
 	hp = tty->driver_data;
+
 	spin_lock_irqsave(&hp->lock, flags);
+	tty_kref_get(tty);
 
 	if (--hp->count == 0) {
 		/* We are done with the tty pointer now. */
 		hp->tty = NULL;
 		spin_unlock_irqrestore(&hp->lock, flags);
 
+		/* Put the ref obtained in hvc_open() */
+		tty_kref_put(tty);
+
 		if (hp->ops->notifier_del)
 			hp->ops->notifier_del(hp, hp->data);
 
@@ -389,6 +396,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp)
 		spin_unlock_irqrestore(&hp->lock, flags);
 	}
 
+	tty_kref_put(tty);
 	kref_put(&hp->kref, destroy_hvc_struct);
 }
 
@@ -424,10 +432,11 @@ static void hvc_hangup(struct tty_struct *tty)
 	spin_unlock_irqrestore(&hp->lock, flags);
 
 	if (hp->ops->notifier_hangup)
-			hp->ops->notifier_hangup(hp, hp->data);
+		hp->ops->notifier_hangup(hp, hp->data);
 
 	while(temp_open_count) {
 		--temp_open_count;
+		tty_kref_put(tty);
 		kref_put(&hp->kref, destroy_hvc_struct);
 	}
 }
@@ -592,7 +601,7 @@ int hvc_poll(struct hvc_struct *hp)
 	}
 
 	/* No tty attached, just skip */
-	tty = hp->tty;
+	tty = tty_kref_get(hp->tty);
 	if (tty == NULL)
 		goto bail;
 
@@ -672,6 +681,8 @@ int hvc_poll(struct hvc_struct *hp)
 
 		tty_flip_buffer_push(tty);
 	}
+	if (tty)
+		tty_kref_put(tty);
 
 	return poll_mask;
 }
@@ -807,7 +818,7 @@ int hvc_remove(struct hvc_struct *hp)
 	struct tty_struct *tty;
 
 	spin_lock_irqsave(&hp->lock, flags);
-	tty = hp->tty;
+	tty = tty_kref_get(hp->tty);
 
 	if (hp->index < MAX_NR_HVC_CONSOLES)
 		vtermnos[hp->index] = -1;
@@ -819,18 +830,18 @@ int hvc_remove(struct hvc_struct *hp)
 	/*
 	 * We 'put' the instance that was grabbed when the kref instance
 	 * was initialized using kref_init().  Let the last holder of this
-	 * kref cause it to be removed, which will probably be the tty_hangup
+	 * kref cause it to be removed, which will probably be the tty_vhangup
 	 * below.
 	 */
 	kref_put(&hp->kref, destroy_hvc_struct);
 
 	/*
-	 * This function call will auto chain call hvc_hangup.  The tty should
-	 * always be valid at this time unless a simultaneous tty close already
-	 * cleaned up the hvc_struct.
+	 * This function call will auto chain call hvc_hangup.
 	 */
-	if (tty)
-		tty_hangup(tty);
+	if (tty) {
+		tty_vhangup(tty);
+		tty_kref_put(tty);
+	}
 	return 0;
 }
 EXPORT_SYMBOL_GPL(hvc_remove);
diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c
index fd0242676a2a..21c54955084e 100644
--- a/drivers/char/hvc_iseries.c
+++ b/drivers/char/hvc_iseries.c
@@ -353,7 +353,7 @@ static void hvc_close_event(struct HvLpEvent *event)
 
 	if (!hvlpevent_is_int(event)) {
 		printk(KERN_WARNING
-			"hvc: got unexpected close acknowlegement\n");
+			"hvc: got unexpected close acknowledgement\n");
 		return;
 	}
 
diff --git a/drivers/char/hvc_iucv.c b/drivers/char/hvc_iucv.c
index 21681a81cc35..37b0542a4eeb 100644
--- a/drivers/char/hvc_iucv.c
+++ b/drivers/char/hvc_iucv.c
@@ -139,6 +139,8 @@ struct hvc_iucv_private *hvc_iucv_get_private(uint32_t num)
  *
  * This function allocates a new struct iucv_tty_buffer element and, optionally,
  * allocates an internal data buffer with the specified size @size.
+ * The internal data buffer is always allocated with GFP_DMA which is
+ * required for receiving and sending data with IUCV.
  * Note: The total message size arises from the internal buffer size and the
  *	 members of the iucv_tty_msg structure.
  * The function returns NULL if memory allocation has failed.
@@ -154,7 +156,7 @@ static struct iucv_tty_buffer *alloc_tty_buffer(size_t size, gfp_t flags)
 
 	if (size > 0) {
 		bufp->msg.length = MSG_SIZE(size);
-		bufp->mbuf = kmalloc(bufp->msg.length, flags);
+		bufp->mbuf = kmalloc(bufp->msg.length, flags | GFP_DMA);
 		if (!bufp->mbuf) {
 			mempool_free(bufp, hvc_iucv_mempool);
 			return NULL;
@@ -237,7 +239,7 @@ static int hvc_iucv_write(struct hvc_iucv_private *priv,
 	if (!rb->mbuf) { /* message not yet received ... */
 		/* allocate mem to store msg data; if no memory is available
 		 * then leave the buffer on the list and re-try later */
-		rb->mbuf = kmalloc(rb->msg.length, GFP_ATOMIC);
+		rb->mbuf = kmalloc(rb->msg.length, GFP_ATOMIC | GFP_DMA);
 		if (!rb->mbuf)
 			return -ENOMEM;
 
diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c
index 9b3e09cd41f9..10f868eefaa6 100644
--- a/drivers/char/hw_random/n2-drv.c
+++ b/drivers/char/hw_random/n2-drv.c
@@ -71,7 +71,7 @@ MODULE_VERSION(DRV_MODULE_VERSION);
  *        x22 + x21 + x17 + x15 + x13 + x12 + x11 + x7 + x5 + x + 1
  *
  * The RNG_CTL_VCO value of each noise cell must be programmed
- * seperately.  This is why 4 control register values must be provided
+ * separately.  This is why 4 control register values must be provided
  * to the hypervisor.  During a write, the hypervisor writes them all,
  * one at a time, to the actual RNG_CTL register.  The first three
  * values are used to setup the desired RNG_CTL_VCO for each entropy
diff --git a/drivers/char/ip2/i2hw.h b/drivers/char/ip2/i2hw.h
index 8aa6e7ab8d5b..c0ba6c05f0cd 100644
--- a/drivers/char/ip2/i2hw.h
+++ b/drivers/char/ip2/i2hw.h
@@ -559,7 +559,7 @@ Loadware may be sent to the board in two ways:
 
 2) It may be hard-coded into your source by including a .h file (typically
 	supplied by Computone), which declares a data array and initializes every
-	element. This acheives the same result as if an entire loadware file had 
+	element. This achieves the same result as if an entire loadware file had 
 	been read into the array.
 
 	This requires more data space in your program, but access to the file system
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index 517271c762e6..911e1da6def2 100644
--- a/drivers/char/ip2/ip2main.c
+++ b/drivers/char/ip2/ip2main.c
@@ -208,6 +208,7 @@ static int DumpFifoBuffer( char __user *, int);
 
 static void ip2_init_board(int, const struct firmware *);
 static unsigned short find_eisa_board(int);
+static int ip2_setup(char *str);
 
 /***************/
 /* Static Data */
@@ -263,7 +264,7 @@ static int tracewrap;
 /* Macros */
 /**********/
 
-#if defined(MODULE) && defined(IP2DEBUG_OPEN)
+#ifdef IP2DEBUG_OPEN
 #define DBG_CNT(s) printk(KERN_DEBUG "(%s): [%x] ttyc=%d, modc=%x -> %s\n", \
 		    tty->name,(pCh->flags), \
 		    tty->count,/*GET_USE_COUNT(module)*/0,s)
@@ -285,7 +286,10 @@ MODULE_AUTHOR("Doug McNash");
 MODULE_DESCRIPTION("Computone IntelliPort Plus Driver");
 MODULE_LICENSE("GPL");
 
+#define	MAX_CMD_STR	50
+
 static int poll_only;
+static char cmd[MAX_CMD_STR];
 
 static int Eisa_irq;
 static int Eisa_slot;
@@ -309,6 +313,8 @@ module_param_array(io, int, NULL, 0);
 MODULE_PARM_DESC(io, "I/O ports for IntelliPort Cards");
 module_param(poll_only, bool, 0);
 MODULE_PARM_DESC(poll_only, "Do not use card interrupts");
+module_param_string(ip2, cmd, MAX_CMD_STR, 0);
+MODULE_PARM_DESC(ip2, "Contains module parameter passed with 'ip2='");
 
 /* for sysfs class support */
 static struct class *ip2_class;
@@ -487,7 +493,6 @@ static const struct firmware *ip2_request_firmware(void)
 	return fw;
 }
 
-#ifndef MODULE
 /******************************************************************************
  *	ip2_setup:
  *		str: kernel command line string
@@ -531,7 +536,6 @@ static int __init ip2_setup(char *str)
 	return 1;
 }
 __setup("ip2=", ip2_setup);
-#endif /* !MODULE */
 
 static int __init ip2_loadmain(void)
 {
@@ -539,14 +543,20 @@ static int __init ip2_loadmain(void)
 	int err = 0;
 	i2eBordStrPtr pB = NULL;
 	int rc = -1;
-	struct pci_dev *pdev = NULL;
 	const struct firmware *fw = NULL;
+	char *str;
+
+	str = cmd;
 
 	if (poll_only) {
 		/* Hard lock the interrupts to zero */
 		irq[0] = irq[1] = irq[2] = irq[3] = poll_only = 0;
 	}
 
+	/* Check module parameter with 'ip2=' has been passed or not */
+	if (!poll_only && (!strncmp(str, "ip2=", 4)))
+		ip2_setup(str);
+
 	ip2trace(ITRC_NO_PORT, ITRC_INIT, ITRC_ENTER, 0);
 
 	/* process command line arguments to modprobe or
@@ -612,6 +622,7 @@ static int __init ip2_loadmain(void)
 		case PCI:
 #ifdef CONFIG_PCI
 		{
+			struct pci_dev *pdev = NULL;
 			u32 addr;
 			int status;
 
@@ -626,7 +637,7 @@ static int __init ip2_loadmain(void)
 
 			if (pci_enable_device(pdev)) {
 				dev_err(&pdev->dev, "can't enable device\n");
-				break;
+				goto out;
 			}
 			ip2config.type[i] = PCI;
 			ip2config.pci_dev[i] = pci_dev_get(pdev);
@@ -638,6 +649,8 @@ static int __init ip2_loadmain(void)
 				dev_err(&pdev->dev, "I/O address error\n");
 
 			ip2config.irq[i] = pdev->irq;
+out:
+			pci_dev_put(pdev);
 		}
 #else
 			printk(KERN_ERR "IP2: PCI card specified but PCI "
@@ -656,7 +669,6 @@ static int __init ip2_loadmain(void)
 			break;
 		}	/* switch */
 	}	/* for */
-	pci_dev_put(pdev);
 
 	for (i = 0; i < IP2_MAX_BOARDS; ++i) {
 		if (ip2config.addr[i]) {
@@ -3197,3 +3209,5 @@ static struct pci_device_id ip2main_pci_tbl[] __devinitdata = {
 };
 
 MODULE_DEVICE_TABLE(pci, ip2main_pci_tbl);
+
+MODULE_FIRMWARE("intelliport2.bin");
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index ec5e3f8df648..c6ad4234378d 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -2272,42 +2272,52 @@ static int create_files(struct bmc_device *bmc)
 	bmc->device_id_attr.attr.name = "device_id";
 	bmc->device_id_attr.attr.mode = S_IRUGO;
 	bmc->device_id_attr.show = device_id_show;
+	sysfs_attr_init(&bmc->device_id_attr.attr);
 
 	bmc->provides_dev_sdrs_attr.attr.name = "provides_device_sdrs";
 	bmc->provides_dev_sdrs_attr.attr.mode = S_IRUGO;
 	bmc->provides_dev_sdrs_attr.show = provides_dev_sdrs_show;
+	sysfs_attr_init(&bmc->provides_dev_sdrs_attr.attr);
 
 	bmc->revision_attr.attr.name = "revision";
 	bmc->revision_attr.attr.mode = S_IRUGO;
 	bmc->revision_attr.show = revision_show;
+	sysfs_attr_init(&bmc->revision_attr.attr);
 
 	bmc->firmware_rev_attr.attr.name = "firmware_revision";
 	bmc->firmware_rev_attr.attr.mode = S_IRUGO;
 	bmc->firmware_rev_attr.show = firmware_rev_show;
+	sysfs_attr_init(&bmc->firmware_rev_attr.attr);
 
 	bmc->version_attr.attr.name = "ipmi_version";
 	bmc->version_attr.attr.mode = S_IRUGO;
 	bmc->version_attr.show = ipmi_version_show;
+	sysfs_attr_init(&bmc->version_attr.attr);
 
 	bmc->add_dev_support_attr.attr.name = "additional_device_support";
 	bmc->add_dev_support_attr.attr.mode = S_IRUGO;
 	bmc->add_dev_support_attr.show = add_dev_support_show;
+	sysfs_attr_init(&bmc->add_dev_support_attr.attr);
 
 	bmc->manufacturer_id_attr.attr.name = "manufacturer_id";
 	bmc->manufacturer_id_attr.attr.mode = S_IRUGO;
 	bmc->manufacturer_id_attr.show = manufacturer_id_show;
+	sysfs_attr_init(&bmc->manufacturer_id_attr.attr);
 
 	bmc->product_id_attr.attr.name = "product_id";
 	bmc->product_id_attr.attr.mode = S_IRUGO;
 	bmc->product_id_attr.show = product_id_show;
+	sysfs_attr_init(&bmc->product_id_attr.attr);
 
 	bmc->guid_attr.attr.name = "guid";
 	bmc->guid_attr.attr.mode = S_IRUGO;
 	bmc->guid_attr.show = guid_show;
+	sysfs_attr_init(&bmc->guid_attr.attr);
 
 	bmc->aux_firmware_rev_attr.attr.name = "aux_firmware_revision";
 	bmc->aux_firmware_rev_attr.attr.mode = S_IRUGO;
 	bmc->aux_firmware_rev_attr.show = aux_firmware_rev_show;
+	sysfs_attr_init(&bmc->aux_firmware_rev_attr.attr);
 
 	err = device_create_file(&bmc->dev->dev,
 			   &bmc->device_id_attr);
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 176f1751237f..4462b113ba3f 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -295,6 +295,9 @@ struct smi_info {
 static int force_kipmid[SI_MAX_PARMS];
 static int num_force_kipmid;
 
+static unsigned int kipmid_max_busy_us[SI_MAX_PARMS];
+static int num_max_busy_us;
+
 static int unload_when_empty = 1;
 
 static int try_smi_init(struct smi_info *smi);
@@ -925,23 +928,77 @@ static void set_run_to_completion(void *send_info, int i_run_to_completion)
 	}
 }
 
+/*
+ * Use -1 in the nsec value of the busy waiting timespec to tell that
+ * we are spinning in kipmid looking for something and not delaying
+ * between checks
+ */
+static inline void ipmi_si_set_not_busy(struct timespec *ts)
+{
+	ts->tv_nsec = -1;
+}
+static inline int ipmi_si_is_busy(struct timespec *ts)
+{
+	return ts->tv_nsec != -1;
+}
+
+static int ipmi_thread_busy_wait(enum si_sm_result smi_result,
+				 const struct smi_info *smi_info,
+				 struct timespec *busy_until)
+{
+	unsigned int max_busy_us = 0;
+
+	if (smi_info->intf_num < num_max_busy_us)
+		max_busy_us = kipmid_max_busy_us[smi_info->intf_num];
+	if (max_busy_us == 0 || smi_result != SI_SM_CALL_WITH_DELAY)
+		ipmi_si_set_not_busy(busy_until);
+	else if (!ipmi_si_is_busy(busy_until)) {
+		getnstimeofday(busy_until);
+		timespec_add_ns(busy_until, max_busy_us*NSEC_PER_USEC);
+	} else {
+		struct timespec now;
+		getnstimeofday(&now);
+		if (unlikely(timespec_compare(&now, busy_until) > 0)) {
+			ipmi_si_set_not_busy(busy_until);
+			return 0;
+		}
+	}
+	return 1;
+}
+
+
+/*
+ * A busy-waiting loop for speeding up IPMI operation.
+ *
+ * Lousy hardware makes this hard.  This is only enabled for systems
+ * that are not BT and do not have interrupts.  It starts spinning
+ * when an operation is complete or until max_busy tells it to stop
+ * (if that is enabled).  See the paragraph on kimid_max_busy_us in
+ * Documentation/IPMI.txt for details.
+ */
 static int ipmi_thread(void *data)
 {
 	struct smi_info *smi_info = data;
 	unsigned long flags;
 	enum si_sm_result smi_result;
+	struct timespec busy_until;
 
+	ipmi_si_set_not_busy(&busy_until);
 	set_user_nice(current, 19);
 	while (!kthread_should_stop()) {
+		int busy_wait;
+
 		spin_lock_irqsave(&(smi_info->si_lock), flags);
 		smi_result = smi_event_handler(smi_info, 0);
 		spin_unlock_irqrestore(&(smi_info->si_lock), flags);
+		busy_wait = ipmi_thread_busy_wait(smi_result, smi_info,
+						  &busy_until);
 		if (smi_result == SI_SM_CALL_WITHOUT_DELAY)
 			; /* do nothing */
-		else if (smi_result == SI_SM_CALL_WITH_DELAY)
+		else if (smi_result == SI_SM_CALL_WITH_DELAY && busy_wait)
 			schedule();
 		else
-			schedule_timeout_interruptible(1);
+			schedule_timeout_interruptible(0);
 	}
 	return 0;
 }
@@ -1144,7 +1201,7 @@ static int           regsizes[SI_MAX_PARMS];
 static unsigned int num_regsizes;
 static int           regshifts[SI_MAX_PARMS];
 static unsigned int num_regshifts;
-static int slave_addrs[SI_MAX_PARMS];
+static int slave_addrs[SI_MAX_PARMS]; /* Leaving 0 chooses the default value */
 static unsigned int num_slave_addrs;
 
 #define IPMI_IO_ADDR_SPACE  0
@@ -1212,6 +1269,11 @@ module_param(unload_when_empty, int, 0);
 MODULE_PARM_DESC(unload_when_empty, "Unload the module if no interfaces are"
 		 " specified or found, default is 1.  Setting to 0"
 		 " is useful for hot add of devices using hotmod.");
+module_param_array(kipmid_max_busy_us, uint, &num_max_busy_us, 0644);
+MODULE_PARM_DESC(kipmid_max_busy_us,
+		 "Max time (in microseconds) to busy-wait for IPMI data before"
+		 " sleeping. 0 (default) means to wait forever. Set to 100-500"
+		 " if kipmid is using up a lot of CPU time.");
 
 
 static void std_irq_cleanup(struct smi_info *info)
@@ -1607,7 +1669,7 @@ static int hotmod_handler(const char *val, struct kernel_param *kp)
 		regsize = 1;
 		regshift = 0;
 		irq = 0;
-		ipmb = 0x20;
+		ipmb = 0; /* Choose the default if not specified */
 
 		next = strchr(curr, ':');
 		if (next) {
@@ -1799,6 +1861,7 @@ static __devinit void hardcode_find_bmc(void)
 		info->irq = irqs[i];
 		if (info->irq)
 			info->irq_setup = std_irq_setup;
+		info->slave_addr = slave_addrs[i];
 
 		try_smi_init(info);
 	}
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index 300d5bd6cd06..be2e8f9a27c3 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -113,6 +113,8 @@
  *		64-bit verification
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/module.h>
 #include <linux/firmware.h>
 #include <linux/kernel.h>
@@ -140,7 +142,6 @@
 #define InterruptTheCard(base) outw(0, (base) + 0xc)
 #define ClearInterrupt(base) inw((base) + 0x0a)
 
-#define pr_dbg(str...) pr_debug("ISICOM: " str)
 #ifdef DEBUG
 #define isicom_paranoia_check(a, b, c) __isicom_paranoia_check((a), (b), (c))
 #else
@@ -249,8 +250,7 @@ static int lock_card(struct isi_board *card)
 		spin_unlock_irqrestore(&card->card_lock, card->flags);
 		msleep(10);
 	}
-	printk(KERN_WARNING "ISICOM: Failed to lock Card (0x%lx)\n",
-		card->base);
+	pr_warning("Failed to lock Card (0x%lx)\n", card->base);
 
 	return 0;	/* Failed to acquire the card! */
 }
@@ -379,13 +379,13 @@ static inline int __isicom_paranoia_check(struct isi_port const *port,
 	char *name, const char *routine)
 {
 	if (!port) {
-		printk(KERN_WARNING "ISICOM: Warning: bad isicom magic for "
-			"dev %s in %s.\n", name, routine);
+		pr_warning("Warning: bad isicom magic for dev %s in %s.\n",
+			   name, routine);
 		return 1;
 	}
 	if (port->magic != ISICOM_MAGIC) {
-		printk(KERN_WARNING "ISICOM: Warning: NULL isicom port for "
-			"dev %s in %s.\n", name, routine);
+		pr_warning("Warning: NULL isicom port for dev %s in %s.\n",
+			   name, routine);
 		return 1;
 	}
 
@@ -450,8 +450,8 @@ static void isicom_tx(unsigned long _data)
 		if (!(inw(base + 0x02) & (1 << port->channel)))
 			continue;
 
-		pr_dbg("txing %d bytes, port%d.\n", txcount,
-			port->channel + 1);
+		pr_debug("txing %d bytes, port%d.\n",
+			 txcount, port->channel + 1);
 		outw((port->channel << isi_card[card].shift_count) | txcount,
 			base);
 		residue = NO;
@@ -547,8 +547,8 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id)
 	byte_count = header & 0xff;
 
 	if (channel + 1 > card->port_count) {
-		printk(KERN_WARNING "ISICOM: isicom_interrupt(0x%lx): "
-			"%d(channel) > port_count.\n", base, channel+1);
+		pr_warning("%s(0x%lx): %d(channel) > port_count.\n",
+			   __func__, base, channel+1);
 		outw(0x0000, base+0x04); /* enable interrupts */
 		spin_unlock(&card->card_lock);
 		return IRQ_HANDLED;
@@ -582,14 +582,15 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id)
 				if (port->status & ISI_DCD) {
 					if (!(header & ISI_DCD)) {
 					/* Carrier has been lost  */
-						pr_dbg("interrupt: DCD->low.\n"
-							);
+						pr_debug("%s: DCD->low.\n",
+							 __func__);
 						port->status &= ~ISI_DCD;
 						tty_hangup(tty);
 					}
 				} else if (header & ISI_DCD) {
 				/* Carrier has been detected */
-					pr_dbg("interrupt: DCD->high.\n");
+					pr_debug("%s: DCD->high.\n",
+						__func__);
 					port->status |= ISI_DCD;
 					wake_up_interruptible(&port->port.open_wait);
 				}
@@ -641,17 +642,19 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id)
 			break;
 
 		case 2:	/* Statistics		 */
-			pr_dbg("isicom_interrupt: stats!!!.\n");
+			pr_debug("%s: stats!!!\n", __func__);
 			break;
 
 		default:
-			pr_dbg("Intr: Unknown code in status packet.\n");
+			pr_debug("%s: Unknown code in status packet.\n",
+				 __func__);
 			break;
 		}
 	} else {				/* Data   Packet */
 
 		count = tty_prepare_flip_string(tty, &rp, byte_count & ~1);
-		pr_dbg("Intr: Can rx %d of %d bytes.\n", count, byte_count);
+		pr_debug("%s: Can rx %d of %d bytes.\n",
+			 __func__, count, byte_count);
 		word_count = count >> 1;
 		insw(base, rp, word_count);
 		byte_count -= (word_count << 1);
@@ -661,8 +664,8 @@ static irqreturn_t isicom_interrupt(int irq, void *dev_id)
 			byte_count -= 2;
 		}
 		if (byte_count > 0) {
-			pr_dbg("Intr(0x%lx:%d): Flip buffer overflow! dropping "
-				"bytes...\n", base, channel + 1);
+			pr_debug("%s(0x%lx:%d): Flip buffer overflow! dropping bytes...\n",
+				 __func__, base, channel + 1);
 		/* drain out unread xtra data */
 		while (byte_count > 0) {
 				inw(base);
@@ -888,8 +891,8 @@ static void isicom_shutdown_port(struct isi_port *port)
 	struct isi_board *card = port->card;
 
 	if (--card->count < 0) {
-		pr_dbg("isicom_shutdown_port: bad board(0x%lx) count %d.\n",
-			card->base, card->count);
+		pr_debug("%s: bad board(0x%lx) count %d.\n",
+			 __func__, card->base, card->count);
 		card->count = 0;
 	}
 	/* last port was closed, shutdown that board too */
@@ -1681,13 +1684,13 @@ static int __init isicom_init(void)
 
 	retval = tty_register_driver(isicom_normal);
 	if (retval) {
-		pr_dbg("Couldn't register the dialin driver\n");
+		pr_debug("Couldn't register the dialin driver\n");
 		goto err_puttty;
 	}
 
 	retval = pci_register_driver(&isicom_driver);
 	if (retval < 0) {
-		printk(KERN_ERR "ISICOM: Unable to register pci driver.\n");
+		pr_err("Unable to register pci driver.\n");
 		goto err_unrtty;
 	}
 
@@ -1717,3 +1720,8 @@ module_exit(isicom_exit);
 MODULE_AUTHOR("MultiTech");
 MODULE_DESCRIPTION("Driver for the ISI series of cards by MultiTech");
 MODULE_LICENSE("GPL");
+MODULE_FIRMWARE("isi608.bin");
+MODULE_FIRMWARE("isi608em.bin");
+MODULE_FIRMWARE("isi616em.bin");
+MODULE_FIRMWARE("isi4608.bin");
+MODULE_FIRMWARE("isi4616.bin");
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 48788db4e280..1f3215ac085b 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -3,7 +3,7 @@
  *
  *  Copyright (C) 1991, 1992  Linus Torvalds
  *
- *  Added devfs support. 
+ *  Added devfs support.
  *    Jan-11-1998, C. Scott Ananian <cananian@alumni.princeton.edu>
  *  Shared /dev/zero mmapping support, Feb 2000, Kanoj Sarcar <kanoj@sgi.com>
  */
@@ -44,36 +44,6 @@ static inline unsigned long size_inside_page(unsigned long start,
 	return min(sz, size);
 }
 
-/*
- * Architectures vary in how they handle caching for addresses
- * outside of main memory.
- *
- */
-static inline int uncached_access(struct file *file, unsigned long addr)
-{
-#if defined(CONFIG_IA64)
-	/*
-	 * On ia64, we ignore O_DSYNC because we cannot tolerate memory attribute aliases.
-	 */
-	return !(efi_mem_attributes(addr) & EFI_MEMORY_WB);
-#elif defined(CONFIG_MIPS)
-	{
-		extern int __uncached_access(struct file *file,
-					     unsigned long addr);
-
-		return __uncached_access(file, addr);
-	}
-#else
-	/*
-	 * Accessing memory above the top the kernel knows about or through a file pointer
-	 * that was marked O_DSYNC will be done non-cached.
-	 */
-	if (file->f_flags & O_DSYNC)
-		return 1;
-	return addr >= __pa(high_memory);
-#endif
-}
-
 #ifndef ARCH_HAS_VALID_PHYS_ADDR_RANGE
 static inline int valid_phys_addr_range(unsigned long addr, size_t count)
 {
@@ -115,15 +85,15 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size)
 }
 #endif
 
-void __attribute__((weak)) unxlate_dev_mem_ptr(unsigned long phys, void *addr)
+void __weak unxlate_dev_mem_ptr(unsigned long phys, void *addr)
 {
 }
 
 /*
- * This funcion reads the *physical* memory. The f_pos points directly to the 
- * memory location. 
+ * This funcion reads the *physical* memory. The f_pos points directly to the
+ * memory location.
  */
-static ssize_t read_mem(struct file * file, char __user * buf,
+static ssize_t read_mem(struct file *file, char __user *buf,
 			size_t count, loff_t *ppos)
 {
 	unsigned long p = *ppos;
@@ -140,10 +110,10 @@ static ssize_t read_mem(struct file * file, char __user * buf,
 		if (sz > 0) {
 			if (clear_user(buf, sz))
 				return -EFAULT;
-			buf += sz; 
-			p += sz; 
-			count -= sz; 
-			read += sz; 
+			buf += sz;
+			p += sz;
+			count -= sz;
+			read += sz;
 		}
 	}
 #endif
@@ -157,9 +127,9 @@ static ssize_t read_mem(struct file * file, char __user * buf,
 			return -EPERM;
 
 		/*
-		 * On ia64 if a page has been mapped somewhere as
-		 * uncached, then it must also be accessed uncached
-		 * by the kernel or data corruption may occur
+		 * On ia64 if a page has been mapped somewhere as uncached, then
+		 * it must also be accessed uncached by the kernel or data
+		 * corruption may occur.
 		 */
 		ptr = xlate_dev_mem_ptr(p);
 		if (!ptr)
@@ -180,7 +150,7 @@ static ssize_t read_mem(struct file * file, char __user * buf,
 	return read;
 }
 
-static ssize_t write_mem(struct file * file, const char __user * buf, 
+static ssize_t write_mem(struct file *file, const char __user *buf,
 			 size_t count, loff_t *ppos)
 {
 	unsigned long p = *ppos;
@@ -212,9 +182,9 @@ static ssize_t write_mem(struct file * file, const char __user * buf,
 			return -EPERM;
 
 		/*
-		 * On ia64 if a page has been mapped somewhere as
-		 * uncached, then it must also be accessed uncached
-		 * by the kernel or data corruption may occur
+		 * On ia64 if a page has been mapped somewhere as uncached, then
+		 * it must also be accessed uncached by the kernel or data
+		 * corruption may occur.
 		 */
 		ptr = xlate_dev_mem_ptr(p);
 		if (!ptr) {
@@ -242,13 +212,46 @@ static ssize_t write_mem(struct file * file, const char __user * buf,
 	return written;
 }
 
-int __attribute__((weak)) phys_mem_access_prot_allowed(struct file *file,
+int __weak phys_mem_access_prot_allowed(struct file *file,
 	unsigned long pfn, unsigned long size, pgprot_t *vma_prot)
 {
 	return 1;
 }
 
 #ifndef __HAVE_PHYS_MEM_ACCESS_PROT
+
+/*
+ * Architectures vary in how they handle caching for addresses
+ * outside of main memory.
+ *
+ */
+static int uncached_access(struct file *file, unsigned long addr)
+{
+#if defined(CONFIG_IA64)
+	/*
+	 * On ia64, we ignore O_DSYNC because we cannot tolerate memory
+	 * attribute aliases.
+	 */
+	return !(efi_mem_attributes(addr) & EFI_MEMORY_WB);
+#elif defined(CONFIG_MIPS)
+	{
+		extern int __uncached_access(struct file *file,
+					     unsigned long addr);
+
+		return __uncached_access(file, addr);
+	}
+#else
+	/*
+	 * Accessing memory above the top the kernel knows about or through a
+	 * file pointer
+	 * that was marked O_DSYNC will be done non-cached.
+	 */
+	if (file->f_flags & O_DSYNC)
+		return 1;
+	return addr >= __pa(high_memory);
+#endif
+}
+
 static pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
 				     unsigned long size, pgprot_t vma_prot)
 {
@@ -294,7 +297,7 @@ static const struct vm_operations_struct mmap_mem_ops = {
 #endif
 };
 
-static int mmap_mem(struct file * file, struct vm_area_struct * vma)
+static int mmap_mem(struct file *file, struct vm_area_struct *vma)
 {
 	size_t size = vma->vm_end - vma->vm_start;
 
@@ -329,7 +332,7 @@ static int mmap_mem(struct file * file, struct vm_area_struct * vma)
 }
 
 #ifdef CONFIG_DEVKMEM
-static int mmap_kmem(struct file * file, struct vm_area_struct * vma)
+static int mmap_kmem(struct file *file, struct vm_area_struct *vma)
 {
 	unsigned long pfn;
 
@@ -337,9 +340,9 @@ static int mmap_kmem(struct file * file, struct vm_area_struct * vma)
 	pfn = __pa((u64)vma->vm_pgoff << PAGE_SHIFT) >> PAGE_SHIFT;
 
 	/*
-	 * RED-PEN: on some architectures there is more mapped memory
-	 * than available in mem_map which pfn_valid checks
-	 * for. Perhaps should add a new macro here.
+	 * RED-PEN: on some architectures there is more mapped memory than
+	 * available in mem_map which pfn_valid checks for. Perhaps should add a
+	 * new macro here.
 	 *
 	 * RED-PEN: vmalloc is not supported right now.
 	 */
@@ -389,7 +392,7 @@ static ssize_t read_oldmem(struct file *file, char __user *buf,
 /*
  * This function reads the *virtual* memory as seen by the kernel.
  */
-static ssize_t read_kmem(struct file *file, char __user *buf, 
+static ssize_t read_kmem(struct file *file, char __user *buf,
 			 size_t count, loff_t *ppos)
 {
 	unsigned long p = *ppos;
@@ -400,8 +403,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
 	read = 0;
 	if (p < (unsigned long) high_memory) {
 		low_count = count;
-		if (count > (unsigned long) high_memory - p)
-			low_count = (unsigned long) high_memory - p;
+		if (count > (unsigned long)high_memory - p)
+			low_count = (unsigned long)high_memory - p;
 
 #ifdef __ARCH_HAS_NO_PAGE_ZERO_MAPPED
 		/* we don't have page 0 mapped on sparc and m68k.. */
@@ -465,9 +468,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf,
 }
 
 
-static inline ssize_t
-do_write_kmem(unsigned long p, const char __user *buf,
-	      size_t count, loff_t *ppos)
+static ssize_t do_write_kmem(unsigned long p, const char __user *buf,
+				size_t count, loff_t *ppos)
 {
 	ssize_t written, sz;
 	unsigned long copied;
@@ -491,9 +493,9 @@ do_write_kmem(unsigned long p, const char __user *buf,
 		sz = size_inside_page(p, count);
 
 		/*
-		 * On ia64 if a page has been mapped somewhere as
-		 * uncached, then it must also be accessed uncached
-		 * by the kernel or data corruption may occur
+		 * On ia64 if a page has been mapped somewhere as uncached, then
+		 * it must also be accessed uncached by the kernel or data
+		 * corruption may occur.
 		 */
 		ptr = xlate_dev_kmem_ptr((char *)p);
 
@@ -514,11 +516,10 @@ do_write_kmem(unsigned long p, const char __user *buf,
 	return written;
 }
 
-
 /*
  * This function writes to the *virtual* memory as seen by the kernel.
  */
-static ssize_t write_kmem(struct file * file, const char __user * buf, 
+static ssize_t write_kmem(struct file *file, const char __user *buf,
 			  size_t count, loff_t *ppos)
 {
 	unsigned long p = *ppos;
@@ -570,17 +571,17 @@ static ssize_t write_kmem(struct file * file, const char __user * buf,
 #endif
 
 #ifdef CONFIG_DEVPORT
-static ssize_t read_port(struct file * file, char __user * buf,
+static ssize_t read_port(struct file *file, char __user *buf,
 			 size_t count, loff_t *ppos)
 {
 	unsigned long i = *ppos;
 	char __user *tmp = buf;
 
 	if (!access_ok(VERIFY_WRITE, buf, count))
-		return -EFAULT; 
+		return -EFAULT;
 	while (count-- > 0 && i < 65536) {
-		if (__put_user(inb(i),tmp) < 0) 
-			return -EFAULT;  
+		if (__put_user(inb(i), tmp) < 0)
+			return -EFAULT;
 		i++;
 		tmp++;
 	}
@@ -588,22 +589,22 @@ static ssize_t read_port(struct file * file, char __user * buf,
 	return tmp-buf;
 }
 
-static ssize_t write_port(struct file * file, const char __user * buf,
+static ssize_t write_port(struct file *file, const char __user *buf,
 			  size_t count, loff_t *ppos)
 {
 	unsigned long i = *ppos;
 	const char __user * tmp = buf;
 
-	if (!access_ok(VERIFY_READ,buf,count))
+	if (!access_ok(VERIFY_READ, buf, count))
 		return -EFAULT;
 	while (count-- > 0 && i < 65536) {
 		char c;
 		if (__get_user(c, tmp)) {
 			if (tmp > buf)
 				break;
-			return -EFAULT; 
+			return -EFAULT;
 		}
-		outb(c,i);
+		outb(c, i);
 		i++;
 		tmp++;
 	}
@@ -612,13 +613,13 @@ static ssize_t write_port(struct file * file, const char __user * buf,
 }
 #endif
 
-static ssize_t read_null(struct file * file, char __user * buf,
+static ssize_t read_null(struct file *file, char __user *buf,
 			 size_t count, loff_t *ppos)
 {
 	return 0;
 }
 
-static ssize_t write_null(struct file * file, const char __user * buf,
+static ssize_t write_null(struct file *file, const char __user *buf,
 			  size_t count, loff_t *ppos)
 {
 	return count;
@@ -630,13 +631,13 @@ static int pipe_to_null(struct pipe_inode_info *info, struct pipe_buffer *buf,
 	return sd->len;
 }
 
-static ssize_t splice_write_null(struct pipe_inode_info *pipe,struct file *out,
+static ssize_t splice_write_null(struct pipe_inode_info *pipe, struct file *out,
 				 loff_t *ppos, size_t len, unsigned int flags)
 {
 	return splice_from_pipe(pipe, out, ppos, len, flags, pipe_to_null);
 }
 
-static ssize_t read_zero(struct file * file, char __user * buf, 
+static ssize_t read_zero(struct file *file, char __user *buf,
 			 size_t count, loff_t *ppos)
 {
 	size_t written;
@@ -667,7 +668,7 @@ static ssize_t read_zero(struct file * file, char __user * buf,
 	return written ? written : -EFAULT;
 }
 
-static int mmap_zero(struct file * file, struct vm_area_struct * vma)
+static int mmap_zero(struct file *file, struct vm_area_struct *vma)
 {
 #ifndef CONFIG_MMU
 	return -ENOSYS;
@@ -677,7 +678,7 @@ static int mmap_zero(struct file * file, struct vm_area_struct * vma)
 	return 0;
 }
 
-static ssize_t write_full(struct file * file, const char __user * buf,
+static ssize_t write_full(struct file *file, const char __user *buf,
 			  size_t count, loff_t *ppos)
 {
 	return -ENOSPC;
@@ -688,8 +689,7 @@ static ssize_t write_full(struct file * file, const char __user * buf,
  * can fopen() both devices with "a" now.  This was previously impossible.
  * -- SRB.
  */
-
-static loff_t null_lseek(struct file * file, loff_t offset, int orig)
+static loff_t null_lseek(struct file *file, loff_t offset, int orig)
 {
 	return file->f_pos = 0;
 }
@@ -702,24 +702,31 @@ static loff_t null_lseek(struct file * file, loff_t offset, int orig)
  * also note that seeking relative to the "end of file" isn't supported:
  * it has no meaning, so it returns -EINVAL.
  */
-static loff_t memory_lseek(struct file * file, loff_t offset, int orig)
+static loff_t memory_lseek(struct file *file, loff_t offset, int orig)
 {
 	loff_t ret;
 
 	mutex_lock(&file->f_path.dentry->d_inode->i_mutex);
 	switch (orig) {
-		case 0:
-			file->f_pos = offset;
-			ret = file->f_pos;
-			force_successful_syscall_return();
+	case SEEK_CUR:
+		offset += file->f_pos;
+		if ((unsigned long long)offset <
+		    (unsigned long long)file->f_pos) {
+			ret = -EOVERFLOW;
 			break;
-		case 1:
-			file->f_pos += offset;
-			ret = file->f_pos;
-			force_successful_syscall_return();
+		}
+	case SEEK_SET:
+		/* to avoid userland mistaking f_pos=-9 as -EBADF=-9 */
+		if ((unsigned long long)offset >= ~0xFFFULL) {
+			ret = -EOVERFLOW;
 			break;
-		default:
-			ret = -EINVAL;
+		}
+		file->f_pos = offset;
+		ret = file->f_pos;
+		force_successful_syscall_return();
+		break;
+	default:
+		ret = -EINVAL;
 	}
 	mutex_unlock(&file->f_path.dentry->d_inode->i_mutex);
 	return ret;
@@ -803,7 +810,7 @@ static const struct file_operations oldmem_fops = {
 };
 #endif
 
-static ssize_t kmsg_write(struct file * file, const char __user * buf,
+static ssize_t kmsg_write(struct file *file, const char __user *buf,
 			  size_t count, loff_t *ppos)
 {
 	char *tmp;
@@ -825,7 +832,7 @@ static ssize_t kmsg_write(struct file * file, const char __user * buf,
 }
 
 static const struct file_operations kmsg_fops = {
-	.write =	kmsg_write,
+	.write = kmsg_write,
 };
 
 static const struct memdev {
@@ -876,7 +883,7 @@ static int memory_open(struct inode *inode, struct file *filp)
 }
 
 static const struct file_operations memory_fops = {
-	.open		= memory_open,
+	.open = memory_open,
 };
 
 static char *mem_devnode(struct device *dev, mode_t *mode)
@@ -897,7 +904,7 @@ static int __init chr_dev_init(void)
 	if (err)
 		return err;
 
-	if (register_chrdev(MEM_MAJOR,"mem",&memory_fops))
+	if (register_chrdev(MEM_MAJOR, "mem", &memory_fops))
 		printk("unable to get major %d for memory devs\n", MEM_MAJOR);
 
 	mem_class = class_create(THIS_MODULE, "mem");
diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c
index 918711aa56f3..04fd0d843b3b 100644
--- a/drivers/char/mmtimer.c
+++ b/drivers/char/mmtimer.c
@@ -546,7 +546,7 @@ static void mmtimer_tasklet(unsigned long data)
 {
 	int nodeid = data;
 	struct mmtimer_node *mn = &timers[nodeid];
-	struct mmtimer *x = rb_entry(mn->next, struct mmtimer, list);
+	struct mmtimer *x;
 	struct k_itimer *t;
 	unsigned long flags;
 
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index 63ee3bbc1ce4..166495d6a1d7 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -164,24 +164,25 @@ static unsigned int moxaFuncTout = HZ / 2;
 static unsigned int moxaLowWaterChk;
 static DEFINE_MUTEX(moxa_openlock);
 static DEFINE_SPINLOCK(moxa_lock);
-/* Variables for insmod */
-#ifdef MODULE
+
 static unsigned long baseaddr[MAX_BOARDS];
 static unsigned int type[MAX_BOARDS];
 static unsigned int numports[MAX_BOARDS];
-#endif
 
 MODULE_AUTHOR("William Chen");
 MODULE_DESCRIPTION("MOXA Intellio Family Multiport Board Device Driver");
 MODULE_LICENSE("GPL");
-#ifdef MODULE
+MODULE_FIRMWARE("c218tunx.cod");
+MODULE_FIRMWARE("cp204unx.cod");
+MODULE_FIRMWARE("c320tunx.cod");
+
 module_param_array(type, uint, NULL, 0);
 MODULE_PARM_DESC(type, "card type: C218=2, C320=4");
 module_param_array(baseaddr, ulong, NULL, 0);
 MODULE_PARM_DESC(baseaddr, "base address");
 module_param_array(numports, uint, NULL, 0);
 MODULE_PARM_DESC(numports, "numports (ignored for C218)");
-#endif
+
 module_param(ttymajor, int, 0);
 
 /*
@@ -1024,6 +1025,8 @@ static int __init moxa_init(void)
 {
 	unsigned int isabrds = 0;
 	int retval = 0;
+	struct moxa_board_conf *brd = moxa_boards;
+	unsigned int i;
 
 	printk(KERN_INFO "MOXA Intellio family driver version %s\n",
 			MOXA_VERSION);
@@ -1051,10 +1054,7 @@ static int __init moxa_init(void)
 	}
 
 	/* Find the boards defined from module args. */
-#ifdef MODULE
-	{
-	struct moxa_board_conf *brd = moxa_boards;
-	unsigned int i;
+
 	for (i = 0; i < MAX_BOARDS; i++) {
 		if (!baseaddr[i])
 			break;
@@ -1087,8 +1087,6 @@ static int __init moxa_init(void)
 			isabrds++;
 		}
 	}
-	}
-#endif
 
 #ifdef CONFIG_PCI
 	retval = pci_register_driver(&moxa_pci_driver);
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 3d923065d9a2..e0c5d2a69046 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -895,8 +895,7 @@ static int mxser_activate(struct tty_port *port, struct tty_struct *tty)
 	if (inb(info->ioaddr + UART_LSR) == 0xff) {
 		spin_unlock_irqrestore(&info->slock, flags);
 		if (capable(CAP_SYS_ADMIN)) {
-			if (tty)
-				set_bit(TTY_IO_ERROR, &tty->flags);
+			set_bit(TTY_IO_ERROR, &tty->flags);
 			return 0;
 		} else
 			return -ENODEV;
diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c
index 2e50f4dfc79c..bdae8327143c 100644
--- a/drivers/char/n_tty.c
+++ b/drivers/char/n_tty.c
@@ -48,6 +48,7 @@
 #include <linux/audit.h>
 #include <linux/file.h>
 #include <linux/uaccess.h>
+#include <linux/module.h>
 
 #include <asm/system.h>
 
@@ -2091,3 +2092,19 @@ struct tty_ldisc_ops tty_ldisc_N_TTY = {
 	.receive_buf     = n_tty_receive_buf,
 	.write_wakeup    = n_tty_write_wakeup
 };
+
+/**
+ *	n_tty_inherit_ops	-	inherit N_TTY methods
+ *	@ops: struct tty_ldisc_ops where to save N_TTY methods
+ *
+ *	Used by a generic struct tty_ldisc_ops to easily inherit N_TTY
+ *	methods.
+ */
+
+void n_tty_inherit_ops(struct tty_ldisc_ops *ops)
+{
+	*ops = tty_ldisc_N_TTY;
+	ops->owner = NULL;
+	ops->refcount = ops->flags = 0;
+}
+EXPORT_SYMBOL_GPL(n_tty_inherit_ops);
diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c
index 2ad7d37afbd0..a3f32a15fde4 100644
--- a/drivers/char/nozomi.c
+++ b/drivers/char/nozomi.c
@@ -136,10 +136,6 @@ static int debug;
 #define RECEIVE_BUF_MAX		4
 
 
-/* Define all types of vendors and devices to support */
-#define VENDOR1		0x1931	/* Vendor Option */
-#define DEVICE1		0x000c	/* HSDPA card */
-
 #define R_IIR		0x0000	/* Interrupt Identity Register */
 #define R_FCR		0x0000	/* Flow Control Register */
 #define R_IER		0x0004	/* Interrupt Enable Register */
@@ -371,6 +367,8 @@ struct port {
 	struct mutex tty_sem;
 	wait_queue_head_t tty_wait;
 	struct async_icount tty_icount;
+
+	struct nozomi *dc;
 };
 
 /* Private data one for each card in the system */
@@ -405,7 +403,7 @@ struct buffer {
 
 /*    Global variables */
 static const struct pci_device_id nozomi_pci_tbl[] __devinitconst = {
-	{PCI_DEVICE(VENDOR1, DEVICE1)},
+	{PCI_DEVICE(0x1931, 0x000c)},	/* Nozomi HSDPA */
 	{},
 };
 
@@ -414,6 +412,8 @@ MODULE_DEVICE_TABLE(pci, nozomi_pci_tbl);
 static struct nozomi *ndevs[NOZOMI_MAX_CARDS];
 static struct tty_driver *ntty_driver;
 
+static const struct tty_port_operations noz_tty_port_ops;
+
 /*
  * find card by tty_index
  */
@@ -853,8 +853,6 @@ static int receive_data(enum port_type index, struct nozomi *dc)
 		goto put;
 	}
 
-	tty_buffer_request_room(tty, size);
-
 	while (size > 0) {
 		read_mem32((u32 *) buf, addr + offset, RECEIVE_BUF_MAX);
 
@@ -1473,9 +1471,11 @@ static int __devinit nozomi_card_init(struct pci_dev *pdev,
 
 	for (i = 0; i < MAX_PORT; i++) {
 		struct device *tty_dev;
-
-		mutex_init(&dc->port[i].tty_sem);
-		tty_port_init(&dc->port[i].port);
+		struct port *port = &dc->port[i];
+		port->dc = dc;
+		mutex_init(&port->tty_sem);
+		tty_port_init(&port->port);
+		port->port.ops = &noz_tty_port_ops;
 		tty_dev = tty_register_device(ntty_driver, dc->index_start + i,
 							&pdev->dev);
 
@@ -1600,67 +1600,74 @@ static void set_dtr(const struct tty_struct *tty, int dtr)
  * ----------------------------------------------------------------------------
  */
 
-/* Called when the userspace process opens the tty, /dev/noz*.  */
-static int ntty_open(struct tty_struct *tty, struct file *file)
+static int ntty_install(struct tty_driver *driver, struct tty_struct *tty)
 {
 	struct port *port = get_port_by_tty(tty);
 	struct nozomi *dc = get_dc_by_tty(tty);
-	unsigned long flags;
-
+	int ret;
 	if (!port || !dc || dc->state != NOZOMI_STATE_READY)
 		return -ENODEV;
-
-	if (mutex_lock_interruptible(&port->tty_sem))
-		return -ERESTARTSYS;
-
-	port->port.count++;
-	dc->open_ttys++;
-
-	/* Enable interrupt downlink for channel */
-	if (port->port.count == 1) {
-		tty->driver_data = port;
-		tty_port_tty_set(&port->port, tty);
-		DBG1("open: %d", port->token_dl);
-		spin_lock_irqsave(&dc->spin_mutex, flags);
-		dc->last_ier = dc->last_ier | port->token_dl;
-		writew(dc->last_ier, dc->reg_ier);
-		spin_unlock_irqrestore(&dc->spin_mutex, flags);
+	ret = tty_init_termios(tty);
+	if (ret == 0) {
+		tty_driver_kref_get(driver);
+		driver->ttys[tty->index] = tty;
 	}
-	mutex_unlock(&port->tty_sem);
-	return 0;
+	return ret;
 }
 
-/* Called when the userspace process close the tty, /dev/noz*. Also
-   called immediately if ntty_open fails in which case tty->driver_data
-   will be NULL an we exit by the first return */
+static void ntty_cleanup(struct tty_struct *tty)
+{
+	tty->driver_data = NULL;
+}
 
-static void ntty_close(struct tty_struct *tty, struct file *file)
+static int ntty_activate(struct tty_port *tport, struct tty_struct *tty)
 {
-	struct nozomi *dc = get_dc_by_tty(tty);
-	struct port *nport = tty->driver_data;
-	struct tty_port *port = &nport->port;
+	struct port *port = container_of(tport, struct port, port);
+	struct nozomi *dc = port->dc;
 	unsigned long flags;
 
-	if (!dc || !nport)
-		return;
+	DBG1("open: %d", port->token_dl);
+	spin_lock_irqsave(&dc->spin_mutex, flags);
+	dc->last_ier = dc->last_ier | port->token_dl;
+	writew(dc->last_ier, dc->reg_ier);
+	dc->open_ttys++;
+	spin_unlock_irqrestore(&dc->spin_mutex, flags);
+	printk("noz: activated %d: %p\n", tty->index, tport);
+	return 0;
+}
 
-	/* Users cannot interrupt a close */
-	mutex_lock(&nport->tty_sem);
+static int ntty_open(struct tty_struct *tty, struct file *filp)
+{
+	struct port *port = get_port_by_tty(tty);
+	return tty_port_open(&port->port, tty, filp);
+}
 
-	WARN_ON(!port->count);
+static void ntty_shutdown(struct tty_port *tport)
+{
+	struct port *port = container_of(tport, struct port, port);
+	struct nozomi *dc = port->dc;
+	unsigned long flags;
 
+	DBG1("close: %d", port->token_dl);
+	spin_lock_irqsave(&dc->spin_mutex, flags);
+	dc->last_ier &= ~(port->token_dl);
+	writew(dc->last_ier, dc->reg_ier);
 	dc->open_ttys--;
-	port->count--;
+	spin_unlock_irqrestore(&dc->spin_mutex, flags);
+	printk("noz: shutdown %p\n", tport);
+}
 
-	if (port->count == 0) {
-		DBG1("close: %d", nport->token_dl);
-		tty_port_tty_set(port, NULL);
-		spin_lock_irqsave(&dc->spin_mutex, flags);
-		dc->last_ier &= ~(nport->token_dl);
-		writew(dc->last_ier, dc->reg_ier);
-		spin_unlock_irqrestore(&dc->spin_mutex, flags);
-	}
-	mutex_unlock(&nport->tty_sem);
+static void ntty_close(struct tty_struct *tty, struct file *filp)
+{
+	struct port *port = tty->driver_data;
+	if (port)
+		tty_port_close(&port->port, tty, filp);
+}
+
+static void ntty_hangup(struct tty_struct *tty)
+{
+	struct port *port = tty->driver_data;
+	tty_port_hangup(&port->port);
 }
 
 /*
@@ -1680,15 +1687,7 @@ static int ntty_write(struct tty_struct *tty, const unsigned char *buffer,
 	if (!dc || !port)
 		return -ENODEV;
 
-	if (unlikely(!mutex_trylock(&port->tty_sem))) {
-		/*
-		 * must test lock as tty layer wraps calls
-		 * to this function with BKL
-		 */
-		dev_err(&dc->pdev->dev, "Would have deadlocked - "
-			"return EAGAIN\n");
-		return -EAGAIN;
-	}
+	mutex_lock(&port->tty_sem);
 
 	if (unlikely(!port->port.count)) {
 		DBG1(" ");
@@ -1728,25 +1727,23 @@ exit:
  * This method is called by the upper tty layer.
  *   #according to sources N_TTY.c it expects a value >= 0 and
  *    does not check for negative values.
+ *
+ * If the port is unplugged report lots of room and let the bits
+ * dribble away so we don't block anything.
  */
 static int ntty_write_room(struct tty_struct *tty)
 {
 	struct port *port = tty->driver_data;
-	int room = 0;
+	int room = 4096;
 	const struct nozomi *dc = get_dc_by_tty(tty);
 
-	if (!dc || !port)
-		return 0;
-	if (!mutex_trylock(&port->tty_sem))
-		return 0;
-
-	if (!port->port.count)
-		goto exit;
-
-	room = port->fifo_ul.size - kfifo_len(&port->fifo_ul);
-
-exit:
-	mutex_unlock(&port->tty_sem);
+	if (dc) {
+		mutex_lock(&port->tty_sem);
+		if (port->port.count)
+			room = port->fifo_ul.size -
+					kfifo_len(&port->fifo_ul);
+		mutex_unlock(&port->tty_sem);
+	}
 	return room;
 }
 
@@ -1906,10 +1903,16 @@ exit_in_buffer:
 	return rval;
 }
 
+static const struct tty_port_operations noz_tty_port_ops = {
+	.activate = ntty_activate,
+	.shutdown = ntty_shutdown,
+};
+
 static const struct tty_operations tty_ops = {
 	.ioctl = ntty_ioctl,
 	.open = ntty_open,
 	.close = ntty_close,
+	.hangup = ntty_hangup,
 	.write = ntty_write,
 	.write_room = ntty_write_room,
 	.unthrottle = ntty_unthrottle,
@@ -1917,6 +1920,8 @@ static const struct tty_operations tty_ops = {
 	.chars_in_buffer = ntty_chars_in_buffer,
 	.tiocmget = ntty_tiocmget,
 	.tiocmset = ntty_tiocmset,
+	.install = ntty_install,
+	.cleanup = ntty_cleanup,
 };
 
 /* Module initialization */
diff --git a/drivers/char/pty.c b/drivers/char/pty.c
index 385c44b3034f..5ee424817263 100644
--- a/drivers/char/pty.c
+++ b/drivers/char/pty.c
@@ -220,7 +220,7 @@ static void pty_set_termios(struct tty_struct *tty,
  *	@tty: tty being resized
  *	@ws: window size being set.
  *
- *	Update the termios variables and send the neccessary signals to
+ *	Update the termios variables and send the necessary signals to
  *	peform a terminal resize correctly
  */
 
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 2849713d2231..2fd3d39995d5 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -1191,7 +1191,7 @@ const struct file_operations urandom_fops = {
 void generate_random_uuid(unsigned char uuid_out[16])
 {
 	get_random_bytes(uuid_out, 16);
-	/* Set UUID version to 4 --- truely random generation */
+	/* Set UUID version to 4 --- truly random generation */
 	uuid_out[6] = (uuid_out[6] & 0x0F) | 0x40;
 	/* Set the UUID variant to DCE */
 	uuid_out[8] = (uuid_out[8] & 0x3F) | 0x80;
diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c
index 452370af95de..1ec3d5cd748f 100644
--- a/drivers/char/serial167.c
+++ b/drivers/char/serial167.c
@@ -658,8 +658,7 @@ static irqreturn_t cd2401_rx_interrupt(int irq, void *dev_id)
 			info->mon.char_max = char_count;
 		info->mon.char_last = char_count;
 #endif
-		len = tty_buffer_request_room(tty, char_count);
-		while (len--) {
+		while (char_count--) {
 			data = base_addr[CyRDR];
 			tty_insert_flip_char(tty, data, TTY_NORMAL);
 #ifdef CYCLOM_16Y_HACK
@@ -1990,7 +1989,7 @@ void mvme167_serial_console_setup(int cflag)
 	/*
 	 * Attempt to set up all channels to something reasonable, and
 	 * bang out a INIT_CHAN command.  We should then be able to limit
-	 * the ammount of fiddling we have to do in normal running.
+	 * the amount of fiddling we have to do in normal running.
 	 */
 
 	for (ch = 3; ch >= 0; ch--) {
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index 268e17f9ec3f..07ac14d949ce 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -646,8 +646,6 @@ static void sx_receive(struct specialix_board *bp)
 	dprintk(SX_DEBUG_RX, "port: %p: count: %d\n", port, count);
 	port->hits[count > 8 ? 9 : count]++;
 
-	tty_buffer_request_room(tty, count);
-
 	while (count--)
 		tty_insert_flip_char(tty, sx_in(bp, CD186x_RDR), TTY_NORMAL);
 	tty_flip_buffer_push(tty);
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index 4846b73ef28d..0658fc548222 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -2031,7 +2031,7 @@ static int mgsl_put_char(struct tty_struct *tty, unsigned char ch)
 	if (mgsl_paranoia_check(info, tty->name, "mgsl_put_char"))
 		return 0;
 
-	if (!tty || !info->xmit_buf)
+	if (!info->xmit_buf)
 		return 0;
 
 	spin_lock_irqsave(&info->irq_spinlock, flags);
@@ -2121,7 +2121,7 @@ static int mgsl_write(struct tty_struct * tty,
 	if (mgsl_paranoia_check(info, tty->name, "mgsl_write"))
 		goto cleanup;
 
-	if (!tty || !info->xmit_buf)
+	if (!info->xmit_buf)
 		goto cleanup;
 
 	if ( info->params.mode == MGSL_MODE_HDLC ||
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 8678f0c8699d..4561ce2fba6d 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -468,7 +468,7 @@ static unsigned int free_tbuf_count(struct slgt_info *info);
 static unsigned int tbuf_bytes(struct slgt_info *info);
 static void reset_tbufs(struct slgt_info *info);
 static void tdma_reset(struct slgt_info *info);
-static void tx_load(struct slgt_info *info, const char *buf, unsigned int count);
+static bool tx_load(struct slgt_info *info, const char *buf, unsigned int count);
 
 static void get_signals(struct slgt_info *info);
 static void set_signals(struct slgt_info *info);
@@ -813,59 +813,32 @@ static int write(struct tty_struct *tty,
 	int ret = 0;
 	struct slgt_info *info = tty->driver_data;
 	unsigned long flags;
-	unsigned int bufs_needed;
 
 	if (sanity_check(info, tty->name, "write"))
-		goto cleanup;
+		return -EIO;
+
 	DBGINFO(("%s write count=%d\n", info->device_name, count));
 
-	if (!info->tx_buf)
-		goto cleanup;
+	if (!info->tx_buf || (count > info->max_frame_size))
+		return -EIO;
 
-	if (count > info->max_frame_size) {
-		ret = -EIO;
-		goto cleanup;
-	}
+	if (!count || tty->stopped || tty->hw_stopped)
+		return 0;
 
-	if (!count)
-		goto cleanup;
+	spin_lock_irqsave(&info->lock, flags);
 
-	if (!info->tx_active && info->tx_count) {
+	if (info->tx_count) {
 		/* send accumulated data from send_char() */
-		tx_load(info, info->tx_buf, info->tx_count);
-		goto start;
+		if (!tx_load(info, info->tx_buf, info->tx_count))
+			goto cleanup;
+		info->tx_count = 0;
 	}
-	bufs_needed = (count/DMABUFSIZE);
-	if (count % DMABUFSIZE)
-		++bufs_needed;
-	if (bufs_needed > free_tbuf_count(info))
-		goto cleanup;
 
-	ret = info->tx_count = count;
-	tx_load(info, buf, count);
-	goto start;
-
-start:
- 	if (info->tx_count && !tty->stopped && !tty->hw_stopped) {
-		spin_lock_irqsave(&info->lock,flags);
-		if (!info->tx_active)
-		 	tx_start(info);
-		else if (!(rd_reg32(info, TDCSR) & BIT0)) {
-			/* transmit still active but transmit DMA stopped */
-			unsigned int i = info->tbuf_current;
-			if (!i)
-				i = info->tbuf_count;
-			i--;
-			/* if DMA buf unsent must try later after tx idle */
-			if (desc_count(info->tbufs[i]))
-				ret = 0;
-		}
-		if (ret > 0)
-			update_tx_timer(info);
-		spin_unlock_irqrestore(&info->lock,flags);
- 	}
+	if (tx_load(info, buf, count))
+		ret = count;
 
 cleanup:
+	spin_unlock_irqrestore(&info->lock, flags);
 	DBGINFO(("%s write rc=%d\n", info->device_name, ret));
 	return ret;
 }
@@ -882,7 +855,7 @@ static int put_char(struct tty_struct *tty, unsigned char ch)
 	if (!info->tx_buf)
 		return 0;
 	spin_lock_irqsave(&info->lock,flags);
-	if (!info->tx_active && (info->tx_count < info->max_frame_size)) {
+	if (info->tx_count < info->max_frame_size) {
 		info->tx_buf[info->tx_count++] = ch;
 		ret = 1;
 	}
@@ -981,10 +954,8 @@ static void flush_chars(struct tty_struct *tty)
 	DBGINFO(("%s flush_chars start transmit\n", info->device_name));
 
 	spin_lock_irqsave(&info->lock,flags);
-	if (!info->tx_active && info->tx_count) {
-		tx_load(info, info->tx_buf,info->tx_count);
-	 	tx_start(info);
-	}
+	if (info->tx_count && tx_load(info, info->tx_buf, info->tx_count))
+		info->tx_count = 0;
 	spin_unlock_irqrestore(&info->lock,flags);
 }
 
@@ -997,10 +968,9 @@ static void flush_buffer(struct tty_struct *tty)
 		return;
 	DBGINFO(("%s flush_buffer\n", info->device_name));
 
-	spin_lock_irqsave(&info->lock,flags);
-	if (!info->tx_active)
-		info->tx_count = 0;
-	spin_unlock_irqrestore(&info->lock,flags);
+	spin_lock_irqsave(&info->lock, flags);
+	info->tx_count = 0;
+	spin_unlock_irqrestore(&info->lock, flags);
 
 	tty_wakeup(tty);
 }
@@ -1033,12 +1003,10 @@ static void tx_release(struct tty_struct *tty)
 	if (sanity_check(info, tty->name, "tx_release"))
 		return;
 	DBGINFO(("%s tx_release\n", info->device_name));
-	spin_lock_irqsave(&info->lock,flags);
-	if (!info->tx_active && info->tx_count) {
-		tx_load(info, info->tx_buf, info->tx_count);
-	 	tx_start(info);
-	}
-	spin_unlock_irqrestore(&info->lock,flags);
+	spin_lock_irqsave(&info->lock, flags);
+	if (info->tx_count && tx_load(info, info->tx_buf, info->tx_count))
+		info->tx_count = 0;
+	spin_unlock_irqrestore(&info->lock, flags);
 }
 
 /*
@@ -1506,27 +1474,25 @@ static netdev_tx_t hdlcdev_xmit(struct sk_buff *skb,
 
 	DBGINFO(("%s hdlc_xmit\n", dev->name));
 
+	if (!skb->len)
+		return NETDEV_TX_OK;
+
 	/* stop sending until this frame completes */
 	netif_stop_queue(dev);
 
-	/* copy data to device buffers */
-	info->tx_count = skb->len;
-	tx_load(info, skb->data, skb->len);
-
 	/* update network statistics */
 	dev->stats.tx_packets++;
 	dev->stats.tx_bytes += skb->len;
 
-	/* done with socket buffer, so free it */
-	dev_kfree_skb(skb);
-
 	/* save start time for transmit timeout detection */
 	dev->trans_start = jiffies;
 
-	spin_lock_irqsave(&info->lock,flags);
-	tx_start(info);
-	update_tx_timer(info);
-	spin_unlock_irqrestore(&info->lock,flags);
+	spin_lock_irqsave(&info->lock, flags);
+	tx_load(info, skb->data, skb->len);
+	spin_unlock_irqrestore(&info->lock, flags);
+
+	/* done with socket buffer, so free it */
+	dev_kfree_skb(skb);
 
 	return NETDEV_TX_OK;
 }
@@ -2180,7 +2146,7 @@ static void isr_serial(struct slgt_info *info)
 
 	if (info->params.mode == MGSL_MODE_ASYNC) {
 		if (status & IRQ_TXIDLE) {
-			if (info->tx_count)
+			if (info->tx_active)
 				isr_txeom(info, status);
 		}
 		if (info->rx_pio && (status & IRQ_RXDATA))
@@ -2276,13 +2242,42 @@ static void isr_tdma(struct slgt_info *info)
 	}
 }
 
+/*
+ * return true if there are unsent tx DMA buffers, otherwise false
+ *
+ * if there are unsent buffers then info->tbuf_start
+ * is set to index of first unsent buffer
+ */
+static bool unsent_tbufs(struct slgt_info *info)
+{
+	unsigned int i = info->tbuf_current;
+	bool rc = false;
+
+	/*
+	 * search backwards from last loaded buffer (precedes tbuf_current)
+	 * for first unsent buffer (desc_count > 0)
+	 */
+
+	do {
+		if (i)
+			i--;
+		else
+			i = info->tbuf_count - 1;
+		if (!desc_count(info->tbufs[i]))
+			break;
+		info->tbuf_start = i;
+		rc = true;
+	} while (i != info->tbuf_current);
+
+	return rc;
+}
+
 static void isr_txeom(struct slgt_info *info, unsigned short status)
 {
 	DBGISR(("%s txeom status=%04x\n", info->device_name, status));
 
 	slgt_irq_off(info, IRQ_TXDATA + IRQ_TXIDLE + IRQ_TXUNDER);
 	tdma_reset(info);
-	reset_tbufs(info);
 	if (status & IRQ_TXUNDER) {
 		unsigned short val = rd_reg16(info, TCR);
 		wr_reg16(info, TCR, (unsigned short)(val | BIT2)); /* set reset bit */
@@ -2297,8 +2292,12 @@ static void isr_txeom(struct slgt_info *info, unsigned short status)
 				info->icount.txok++;
 		}
 
+		if (unsent_tbufs(info)) {
+			tx_start(info);
+			update_tx_timer(info);
+			return;
+		}
 		info->tx_active = false;
-		info->tx_count = 0;
 
 		del_timer(&info->tx_timer);
 
@@ -3949,7 +3948,7 @@ static void tx_start(struct slgt_info *info)
 		info->tx_enabled = true;
 	}
 
-	if (info->tx_count) {
+	if (desc_count(info->tbufs[info->tbuf_start])) {
 		info->drop_rts_on_tx_done = false;
 
 		if (info->params.mode != MGSL_MODE_ASYNC) {
@@ -4772,25 +4771,36 @@ static unsigned int tbuf_bytes(struct slgt_info *info)
 }
 
 /*
- * load transmit DMA buffer(s) with data
+ * load data into transmit DMA buffer ring and start transmitter if needed
+ * return true if data accepted, otherwise false (buffers full)
  */
-static void tx_load(struct slgt_info *info, const char *buf, unsigned int size)
+static bool tx_load(struct slgt_info *info, const char *buf, unsigned int size)
 {
 	unsigned short count;
 	unsigned int i;
 	struct slgt_desc *d;
 
-	if (size == 0)
-		return;
+	/* check required buffer space */
+	if (DIV_ROUND_UP(size, DMABUFSIZE) > free_tbuf_count(info))
+		return false;
 
 	DBGDATA(info, buf, size, "tx");
 
+	/*
+	 * copy data to one or more DMA buffers in circular ring
+	 * tbuf_start   = first buffer for this data
+	 * tbuf_current = next free buffer
+	 *
+	 * Copy all data before making data visible to DMA controller by
+	 * setting descriptor count of the first buffer.
+	 * This prevents an active DMA controller from reading the first DMA
+	 * buffers of a frame and stopping before the final buffers are filled.
+	 */
+
 	info->tbuf_start = i = info->tbuf_current;
 
 	while (size) {
 		d = &info->tbufs[i];
-		if (++i == info->tbuf_count)
-			i = 0;
 
 		count = (unsigned short)((size > DMABUFSIZE) ? DMABUFSIZE : size);
 		memcpy(d->buf, buf, count);
@@ -4808,11 +4818,27 @@ static void tx_load(struct slgt_info *info, const char *buf, unsigned int size)
 		else
 			set_desc_eof(*d, 0);
 
-		set_desc_count(*d, count);
+		/* set descriptor count for all but first buffer */
+		if (i != info->tbuf_start)
+			set_desc_count(*d, count);
 		d->buf_count = count;
+
+		if (++i == info->tbuf_count)
+			i = 0;
 	}
 
 	info->tbuf_current = i;
+
+	/* set first buffer count to make new data visible to DMA controller */
+	d = &info->tbufs[info->tbuf_start];
+	set_desc_count(*d, d->buf_count);
+
+	/* start transmitter if needed and update transmit timeout */
+	if (!info->tx_active)
+		tx_start(info);
+	update_tx_timer(info);
+
+	return true;
 }
 
 static int register_test(struct slgt_info *info)
@@ -4934,9 +4960,7 @@ static int loopback_test(struct slgt_info *info)
 	spin_lock_irqsave(&info->lock,flags);
 	async_mode(info);
 	rx_start(info);
-	info->tx_count = count;
 	tx_load(info, buf, count);
-	tx_start(info);
 	spin_unlock_irqrestore(&info->lock, flags);
 
 	/* wait for receive complete */
diff --git a/drivers/char/tty_audit.c b/drivers/char/tty_audit.c
index ac16fbec72d0..283a15bc84e3 100644
--- a/drivers/char/tty_audit.c
+++ b/drivers/char/tty_audit.c
@@ -148,7 +148,6 @@ void tty_audit_fork(struct signal_struct *sig)
 	spin_lock_irq(&current->sighand->siglock);
 	sig->audit_tty = current->signal->audit_tty;
 	spin_unlock_irq(&current->sighand->siglock);
-	sig->tty_audit_buf = NULL;
 }
 
 /**
diff --git a/drivers/char/tty_buffer.c b/drivers/char/tty_buffer.c
index 66fa4e10d76b..7ee52164d474 100644
--- a/drivers/char/tty_buffer.c
+++ b/drivers/char/tty_buffer.c
@@ -231,9 +231,10 @@ int tty_buffer_request_room(struct tty_struct *tty, size_t size)
 EXPORT_SYMBOL_GPL(tty_buffer_request_room);
 
 /**
- *	tty_insert_flip_string	-	Add characters to the tty buffer
+ *	tty_insert_flip_string_fixed_flag - Add characters to the tty buffer
  *	@tty: tty structure
  *	@chars: characters
+ *	@flag: flag value for each character
  *	@size: size
  *
  *	Queue a series of bytes to the tty buffering. All the characters
@@ -242,18 +243,19 @@ EXPORT_SYMBOL_GPL(tty_buffer_request_room);
  *	Locking: Called functions may take tty->buf.lock
  */
 
-int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars,
-				size_t size)
+int tty_insert_flip_string_fixed_flag(struct tty_struct *tty,
+		const unsigned char *chars, char flag, size_t size)
 {
 	int copied = 0;
 	do {
-		int space = tty_buffer_request_room(tty, size - copied);
+		int goal = min_t(size_t, size - copied, TTY_BUFFER_PAGE);
+		int space = tty_buffer_request_room(tty, goal);
 		struct tty_buffer *tb = tty->buf.tail;
 		/* If there is no space then tb may be NULL */
 		if (unlikely(space == 0))
 			break;
 		memcpy(tb->char_buf_ptr + tb->used, chars, space);
-		memset(tb->flag_buf_ptr + tb->used, TTY_NORMAL, space);
+		memset(tb->flag_buf_ptr + tb->used, flag, space);
 		tb->used += space;
 		copied += space;
 		chars += space;
@@ -262,7 +264,7 @@ int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars,
 	} while (unlikely(size > copied));
 	return copied;
 }
-EXPORT_SYMBOL(tty_insert_flip_string);
+EXPORT_SYMBOL(tty_insert_flip_string_fixed_flag);
 
 /**
  *	tty_insert_flip_string_flags	-	Add characters to the tty buffer
@@ -283,7 +285,8 @@ int tty_insert_flip_string_flags(struct tty_struct *tty,
 {
 	int copied = 0;
 	do {
-		int space = tty_buffer_request_room(tty, size - copied);
+		int goal = min_t(size_t, size - copied, TTY_BUFFER_PAGE);
+		int space = tty_buffer_request_room(tty, goal);
 		struct tty_buffer *tb = tty->buf.tail;
 		/* If there is no space then tb may be NULL */
 		if (unlikely(space == 0))
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index dcb9083ecde0..6da962c9b21c 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1423,6 +1423,8 @@ static void release_one_tty(struct work_struct *work)
 	list_del_init(&tty->tty_files);
 	file_list_unlock();
 
+	put_pid(tty->pgrp);
+	put_pid(tty->session);
 	free_tty_struct(tty);
 }
 
@@ -2028,7 +2030,7 @@ static int tiocgwinsz(struct tty_struct *tty, struct winsize __user *arg)
  *	@rows: rows (character)
  *	@cols: cols (character)
  *
- *	Update the termios variables and send the neccessary signals to
+ *	Update the termios variables and send the necessary signals to
  *	peform a terminal resize correctly
  */
 
diff --git a/drivers/char/tty_ldisc.c b/drivers/char/tty_ldisc.c
index 3f653f7d849f..500e740ec5e4 100644
--- a/drivers/char/tty_ldisc.c
+++ b/drivers/char/tty_ldisc.c
@@ -706,12 +706,13 @@ static void tty_reset_termios(struct tty_struct *tty)
 /**
  *	tty_ldisc_reinit	-	reinitialise the tty ldisc
  *	@tty: tty to reinit
+ *	@ldisc: line discipline to reinitialize
  *
- *	Switch the tty back to N_TTY line discipline and leave the
- *	ldisc state closed
+ *	Switch the tty to a line discipline and leave the ldisc
+ *	state closed
  */
 
-static void tty_ldisc_reinit(struct tty_struct *tty)
+static void tty_ldisc_reinit(struct tty_struct *tty, int ldisc)
 {
 	struct tty_ldisc *ld;
 
@@ -721,10 +722,10 @@ static void tty_ldisc_reinit(struct tty_struct *tty)
 	/*
 	 *	Switch the line discipline back
 	 */
-	ld = tty_ldisc_get(N_TTY);
+	ld = tty_ldisc_get(ldisc);
 	BUG_ON(IS_ERR(ld));
 	tty_ldisc_assign(tty, ld);
-	tty_set_termios_ldisc(tty, N_TTY);
+	tty_set_termios_ldisc(tty, ldisc);
 }
 
 /**
@@ -745,6 +746,8 @@ static void tty_ldisc_reinit(struct tty_struct *tty)
 void tty_ldisc_hangup(struct tty_struct *tty)
 {
 	struct tty_ldisc *ld;
+	int reset = tty->driver->flags & TTY_DRIVER_RESET_TERMIOS;
+	int err = 0;
 
 	/*
 	 * FIXME! What are the locking issues here? This may me overdoing
@@ -772,25 +775,32 @@ void tty_ldisc_hangup(struct tty_struct *tty)
 	wake_up_interruptible_poll(&tty->read_wait, POLLIN);
 	/*
 	 * Shutdown the current line discipline, and reset it to
-	 * N_TTY.
+	 * N_TTY if need be.
+	 *
+	 * Avoid racing set_ldisc or tty_ldisc_release
 	 */
-	if (tty->driver->flags & TTY_DRIVER_RESET_TERMIOS) {
-		/* Avoid racing set_ldisc or tty_ldisc_release */
-		mutex_lock(&tty->ldisc_mutex);
-		tty_ldisc_halt(tty);
-		if (tty->ldisc) {	/* Not yet closed */
-			/* Switch back to N_TTY */
-			tty_ldisc_reinit(tty);
-			/* At this point we have a closed ldisc and we want to
-			   reopen it. We could defer this to the next open but
-			   it means auditing a lot of other paths so this is
-			   a FIXME */
+	mutex_lock(&tty->ldisc_mutex);
+	tty_ldisc_halt(tty);
+	/* At this point we have a closed ldisc and we want to
+	   reopen it. We could defer this to the next open but
+	   it means auditing a lot of other paths so this is
+	   a FIXME */
+	if (tty->ldisc) {	/* Not yet closed */
+		if (reset == 0) {
+			tty_ldisc_reinit(tty, tty->termios->c_line);
+			err = tty_ldisc_open(tty, tty->ldisc);
+		}
+		/* If the re-open fails or we reset then go to N_TTY. The
+		   N_TTY open cannot fail */
+		if (reset || err) {
+			tty_ldisc_reinit(tty, N_TTY);
 			WARN_ON(tty_ldisc_open(tty, tty->ldisc));
-			tty_ldisc_enable(tty);
 		}
-		mutex_unlock(&tty->ldisc_mutex);
-		tty_reset_termios(tty);
+		tty_ldisc_enable(tty);
 	}
+	mutex_unlock(&tty->ldisc_mutex);
+	if (reset)
+		tty_reset_termios(tty);
 }
 
 /**
diff --git a/drivers/char/tty_port.c b/drivers/char/tty_port.c
index be492dd66437..a3bd1d0b66cf 100644
--- a/drivers/char/tty_port.c
+++ b/drivers/char/tty_port.c
@@ -119,7 +119,7 @@ EXPORT_SYMBOL(tty_port_tty_set);
 static void tty_port_shutdown(struct tty_port *port)
 {
 	mutex_lock(&port->mutex);
-	if (port->ops->shutdown &&
+	if (port->ops->shutdown && !port->console &&
 		test_and_clear_bit(ASYNCB_INITIALIZED, &port->flags))
 			port->ops->shutdown(port);
 	mutex_unlock(&port->mutex);
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 213373b5f17f..44288ce0cb45 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -379,7 +379,7 @@ static ssize_t send_control_msg(struct port *port, unsigned int event,
 	struct scatterlist sg[1];
 	struct virtio_console_control cpkt;
 	struct virtqueue *vq;
-	int len;
+	unsigned int len;
 
 	if (!use_multiport(port->portdev))
 		return 0;
@@ -681,6 +681,10 @@ static void resize_console(struct port *port)
 	struct virtio_device *vdev;
 	struct winsize ws;
 
+	/* The port could have been hot-unplugged */
+	if (!port)
+		return;
+
 	vdev = port->portdev->vdev;
 	if (virtio_has_feature(vdev, VIRTIO_CONSOLE_F_SIZE)) {
 		vdev->config->get(vdev,
@@ -947,11 +951,18 @@ static void handle_control_message(struct ports_device *portdev,
 		 */
 		err = sysfs_create_group(&port->dev->kobj,
 					 &port_attribute_group);
-		if (err)
+		if (err) {
 			dev_err(port->dev,
 				"Error %d creating sysfs device attributes\n",
 				err);
-
+		} else {
+			/*
+			 * Generate a udev event so that appropriate
+			 * symlinks can be created based on udev
+			 * rules.
+			 */
+			kobject_uevent(&port->dev->kobj, KOBJ_CHANGE);
+		}
 		break;
 	case VIRTIO_CONSOLE_PORT_REMOVE:
 		/*
@@ -1071,27 +1082,27 @@ static void config_intr(struct virtio_device *vdev)
 static unsigned int fill_queue(struct virtqueue *vq, spinlock_t *lock)
 {
 	struct port_buffer *buf;
-	unsigned int ret;
-	int err;
+	unsigned int nr_added_bufs;
+	int ret;
 
-	ret = 0;
+	nr_added_bufs = 0;
 	do {
 		buf = alloc_buf(PAGE_SIZE);
 		if (!buf)
 			break;
 
 		spin_lock_irq(lock);
-		err = add_inbuf(vq, buf);
-		if (err < 0) {
+		ret = add_inbuf(vq, buf);
+		if (ret < 0) {
 			spin_unlock_irq(lock);
 			free_buf(buf);
 			break;
 		}
-		ret++;
+		nr_added_bufs++;
 		spin_unlock_irq(lock);
-	} while (err > 0);
+	} while (ret > 0);
 
-	return ret;
+	return nr_added_bufs;
 }
 
 static int add_port(struct ports_device *portdev, u32 id)
@@ -1100,6 +1111,7 @@ static int add_port(struct ports_device *portdev, u32 id)
 	struct port *port;
 	struct port_buffer *buf;
 	dev_t devt;
+	unsigned int nr_added_bufs;
 	int err;
 
 	port = kmalloc(sizeof(*port), GFP_KERNEL);
@@ -1144,8 +1156,8 @@ static int add_port(struct ports_device *portdev, u32 id)
 	init_waitqueue_head(&port->waitqueue);
 
 	/* Fill the in_vq with buffers so the host can send us data. */
-	err = fill_queue(port->in_vq, &port->inbuf_lock);
-	if (!err) {
+	nr_added_bufs = fill_queue(port->in_vq, &port->inbuf_lock);
+	if (!nr_added_bufs) {
 		dev_err(port->dev, "Error allocating inbufs\n");
 		err = -ENOMEM;
 		goto free_device;
@@ -1442,12 +1454,14 @@ static int __devinit virtcons_probe(struct virtio_device *vdev)
 	INIT_LIST_HEAD(&portdev->ports);
 
 	if (multiport) {
+		unsigned int nr_added_bufs;
+
 		spin_lock_init(&portdev->cvq_lock);
 		INIT_WORK(&portdev->control_work, &control_work_handler);
 		INIT_WORK(&portdev->config_work, &config_work_handler);
 
-		err = fill_queue(portdev->c_ivq, &portdev->cvq_lock);
-		if (!err) {
+		nr_added_bufs = fill_queue(portdev->c_ivq, &portdev->cvq_lock);
+		if (!nr_added_bufs) {
 			dev_err(&vdev->dev,
 				"Error allocating buffers for control queue\n");
 			err = -ENOMEM;
diff --git a/drivers/char/vt.c b/drivers/char/vt.c
index 50faa1fb0f06..bd1d1164fec5 100644
--- a/drivers/char/vt.c
+++ b/drivers/char/vt.c
@@ -821,7 +821,7 @@ static inline int resize_screen(struct vc_data *vc, int width, int height,
  *
  *	Resize a virtual console, clipping according to the actual constraints.
  *	If the caller passes a tty structure then update the termios winsize
- *	information and perform any neccessary signal handling.
+ *	information and perform any necessary signal handling.
  *
  *	Caller must hold the console semaphore. Takes the termios mutex and
  *	ctrl_lock of the tty IFF a tty is passed.
@@ -2119,8 +2119,6 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
 	uint8_t inverse;
 	uint8_t width;
 	u16 himask, charmask;
-	const unsigned char *orig_buf = NULL;
-	int orig_count;
 
 	if (in_interrupt())
 		return count;
@@ -2142,8 +2140,6 @@ static int do_con_write(struct tty_struct *tty, const unsigned char *buf, int co
 	    release_console_sem();
 	    return 0;
 	}
-	orig_buf = buf;
-	orig_count = count;
 
 	himask = vc->vc_hi_font_mask;
 	charmask = himask ? 0x1ff : 0xff;
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
deleted file mode 100644
index 08f726c5fee5..000000000000
--- a/drivers/clocksource/Kconfig
+++ /dev/null
@@ -1,9 +0,0 @@
-config CS5535_CLOCK_EVENT_SRC
-	tristate "CS5535/CS5536 high-res timer (MFGPT) events"
-	depends on GENERIC_TIME && GENERIC_CLOCKEVENTS && CS5535_MFGPT
-	help
-	  This driver provides a clock event source based on the MFGPT
-	  timer(s) in the CS5535 and CS5536 companion chips.
-	  MFGPTs have a better resolution and max interval than the
-	  generic PIT, and are suitable for use as high-res timers.
-
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 67bc2ece7b4b..2d5d575e889d 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -766,7 +766,7 @@ static void cpufreq_sysfs_release(struct kobject *kobj)
 	complete(&policy->kobj_unregister);
 }
 
-static struct sysfs_ops sysfs_ops = {
+static const struct sysfs_ops sysfs_ops = {
 	.show	= show,
 	.store	= store,
 };
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 73655aeb3a60..1aea7157d8ff 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -100,8 +100,8 @@ struct menu_device {
 	int             needs_update;
 
 	unsigned int	expected_us;
-	u64		predicted_us;
 	unsigned int	measured_us;
+	u64		predicted_us;
 	unsigned int	exit_us;
 	unsigned int	bucket;
 	u64		correction_factor[BUCKETS];
diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c
index 97b003839fb6..8719b36e1a4d 100644
--- a/drivers/cpuidle/sysfs.c
+++ b/drivers/cpuidle/sysfs.c
@@ -22,6 +22,7 @@ static int __init cpuidle_sysfs_setup(char *unused)
 __setup("cpuidle_sysfs_switch", cpuidle_sysfs_setup);
 
 static ssize_t show_available_governors(struct sysdev_class *class,
+					struct sysdev_class_attribute *attr,
 					char *buf)
 {
 	ssize_t i = 0;
@@ -41,6 +42,7 @@ out:
 }
 
 static ssize_t show_current_driver(struct sysdev_class *class,
+				   struct sysdev_class_attribute *attr,
 				   char *buf)
 {
 	ssize_t ret;
@@ -56,6 +58,7 @@ static ssize_t show_current_driver(struct sysdev_class *class,
 }
 
 static ssize_t show_current_governor(struct sysdev_class *class,
+				     struct sysdev_class_attribute *attr,
 				     char *buf)
 {
 	ssize_t ret;
@@ -71,6 +74,7 @@ static ssize_t show_current_governor(struct sysdev_class *class,
 }
 
 static ssize_t store_current_governor(struct sysdev_class *class,
+				      struct sysdev_class_attribute *attr,
 				      const char *buf, size_t count)
 {
 	char gov_name[CPUIDLE_NAME_LEN];
@@ -191,7 +195,7 @@ static ssize_t cpuidle_store(struct kobject * kobj, struct attribute * attr,
 	return ret;
 }
 
-static struct sysfs_ops cpuidle_sysfs_ops = {
+static const struct sysfs_ops cpuidle_sysfs_ops = {
 	.show = cpuidle_show,
 	.store = cpuidle_store,
 };
@@ -277,7 +281,7 @@ static ssize_t cpuidle_state_show(struct kobject * kobj,
 	return ret;
 }
 
-static struct sysfs_ops cpuidle_state_sysfs_ops = {
+static const struct sysfs_ops cpuidle_state_sysfs_ops = {
 	.show = cpuidle_state_show,
 };
 
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index 09ad9154d86c..73e8b1713b54 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -321,7 +321,7 @@ static atomic_t hifn_dev_number;
 #define	HIFN_PUBOPLEN_MOD_M	0x0000007f	/* modulus length mask */
 #define	HIFN_PUBOPLEN_MOD_S	0		/* modulus length shift */
 #define	HIFN_PUBOPLEN_EXP_M	0x0003ff80	/* exponent length mask */
-#define	HIFN_PUBOPLEN_EXP_S	7		/* exponent lenght shift */
+#define	HIFN_PUBOPLEN_EXP_S	7		/* exponent length shift */
 #define	HIFN_PUBOPLEN_RED_M	0x003c0000	/* reducend length mask */
 #define	HIFN_PUBOPLEN_RED_S	18		/* reducend length shift */
 
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index e02d74b1e892..c27f80e5d531 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -13,6 +13,22 @@ menuconfig DMADEVICES
 	  DMA Device drivers supported by the configured arch, it may
 	  be empty in some cases.
 
+config DMADEVICES_DEBUG
+        bool "DMA Engine debugging"
+        depends on DMADEVICES != n
+        help
+          This is an option for use by developers; most people should
+          say N here.  This enables DMA engine core and driver debugging.
+
+config DMADEVICES_VDEBUG
+        bool "DMA Engine verbose debugging"
+        depends on DMADEVICES_DEBUG != n
+        help
+          This is an option for use by developers; most people should
+          say N here.  This enables deeper (more verbose) debugging of
+          the DMA engine core and drivers.
+
+
 if DMADEVICES
 
 comment "DMA Devices"
@@ -69,6 +85,13 @@ config FSL_DMA
 	  The Elo is the DMA controller on some 82xx and 83xx parts, and the
 	  Elo Plus is the DMA controller on 85xx and 86xx parts.
 
+config MPC512X_DMA
+	tristate "Freescale MPC512x built-in DMA engine support"
+	depends on PPC_MPC512x
+	select DMA_ENGINE
+	---help---
+	  Enable support for the Freescale MPC512x built-in DMA engine.
+
 config MV_XOR
 	bool "Marvell XOR engine support"
 	depends on PLAT_ORION
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
index 807053d48232..22bba3d5e2b6 100644
--- a/drivers/dma/Makefile
+++ b/drivers/dma/Makefile
@@ -1,9 +1,17 @@
+ifeq ($(CONFIG_DMADEVICES_DEBUG),y)
+	EXTRA_CFLAGS	+= -DDEBUG
+endif
+ifeq ($(CONFIG_DMADEVICES_VDEBUG),y)
+	EXTRA_CFLAGS	+= -DVERBOSE_DEBUG
+endif
+
 obj-$(CONFIG_DMA_ENGINE) += dmaengine.o
 obj-$(CONFIG_NET_DMA) += iovlock.o
 obj-$(CONFIG_DMATEST) += dmatest.o
 obj-$(CONFIG_INTEL_IOATDMA) += ioat/
 obj-$(CONFIG_INTEL_IOP_ADMA) += iop-adma.o
 obj-$(CONFIG_FSL_DMA) += fsldma.o
+obj-$(CONFIG_MPC512X_DMA) += mpc512x_dma.o
 obj-$(CONFIG_MV_XOR) += mv_xor.o
 obj-$(CONFIG_DW_DMAC) += dw_dmac.o
 obj-$(CONFIG_AT_HDMAC) += at_hdmac.o
diff --git a/drivers/dma/coh901318.c b/drivers/dma/coh901318.c
index 64a937262a40..1656fdcdb6c2 100644
--- a/drivers/dma/coh901318.c
+++ b/drivers/dma/coh901318.c
@@ -39,7 +39,6 @@ struct coh901318_desc {
 	unsigned int sg_len;
 	struct coh901318_lli *data;
 	enum dma_data_direction dir;
-	int pending_irqs;
 	unsigned long flags;
 };
 
@@ -72,7 +71,6 @@ struct coh901318_chan {
 
 	unsigned long nbr_active_done;
 	unsigned long busy;
-	int pending_irqs;
 
 	struct coh901318_base *base;
 };
@@ -80,18 +78,16 @@ struct coh901318_chan {
 static void coh901318_list_print(struct coh901318_chan *cohc,
 				 struct coh901318_lli *lli)
 {
-	struct coh901318_lli *l;
-	dma_addr_t addr =  virt_to_phys(lli);
+	struct coh901318_lli *l = lli;
 	int i = 0;
 
-	while (addr) {
-		l = phys_to_virt(addr);
+	while (l) {
 		dev_vdbg(COHC_2_DEV(cohc), "i %d, lli %p, ctrl 0x%x, src 0x%x"
-			 ", dst 0x%x, link 0x%x link_virt 0x%p\n",
+			 ", dst 0x%x, link 0x%x virt_link_addr 0x%p\n",
 			 i, l, l->control, l->src_addr, l->dst_addr,
-			 l->link_addr, phys_to_virt(l->link_addr));
+			 l->link_addr, l->virt_link_addr);
 		i++;
-		addr = l->link_addr;
+		l = l->virt_link_addr;
 	}
 }
 
@@ -125,7 +121,7 @@ static int coh901318_debugfs_read(struct file *file, char __user *buf,
 		goto err_kmalloc;
 	tmp = dev_buf;
 
-	tmp += sprintf(tmp, "DMA -- enable dma channels\n");
+	tmp += sprintf(tmp, "DMA -- enabled dma channels\n");
 
 	for (i = 0; i < debugfs_dma_base->platform->max_channels; i++)
 		if (started_channels & (1 << i))
@@ -337,16 +333,22 @@ coh901318_desc_get(struct coh901318_chan *cohc)
 		 * TODO: alloc a pile of descs instead of just one,
 		 * avoid many small allocations.
 		 */
-		desc = kmalloc(sizeof(struct coh901318_desc), GFP_NOWAIT);
+		desc = kzalloc(sizeof(struct coh901318_desc), GFP_NOWAIT);
 		if (desc == NULL)
 			goto out;
 		INIT_LIST_HEAD(&desc->node);
+		dma_async_tx_descriptor_init(&desc->desc, &cohc->chan);
 	} else {
 		/* Reuse an old desc. */
 		desc = list_first_entry(&cohc->free,
 					struct coh901318_desc,
 					node);
 		list_del(&desc->node);
+		/* Initialize it a bit so it's not insane */
+		desc->sg = NULL;
+		desc->sg_len = 0;
+		desc->desc.callback = NULL;
+		desc->desc.callback_param = NULL;
 	}
 
  out:
@@ -364,10 +366,6 @@ static void
 coh901318_desc_submit(struct coh901318_chan *cohc, struct coh901318_desc *desc)
 {
 	list_add_tail(&desc->node, &cohc->active);
-
-	BUG_ON(cohc->pending_irqs != 0);
-
-	cohc->pending_irqs = desc->pending_irqs;
 }
 
 static struct coh901318_desc *
@@ -592,6 +590,10 @@ static struct coh901318_desc *coh901318_queue_start(struct coh901318_chan *cohc)
 	return cohd_que;
 }
 
+/*
+ * This tasklet is called from the interrupt handler to
+ * handle each descriptor (DMA job) that is sent to a channel.
+ */
 static void dma_tasklet(unsigned long data)
 {
 	struct coh901318_chan *cohc = (struct coh901318_chan *) data;
@@ -600,55 +602,58 @@ static void dma_tasklet(unsigned long data)
 	dma_async_tx_callback callback;
 	void *callback_param;
 
+	dev_vdbg(COHC_2_DEV(cohc), "[%s] chan_id %d"
+		 " nbr_active_done %ld\n", __func__,
+		 cohc->id, cohc->nbr_active_done);
+
 	spin_lock_irqsave(&cohc->lock, flags);
 
-	/* get first active entry from list */
+	/* get first active descriptor entry from list */
 	cohd_fin = coh901318_first_active_get(cohc);
 
-	BUG_ON(cohd_fin->pending_irqs == 0);
-
 	if (cohd_fin == NULL)
 		goto err;
 
-	cohd_fin->pending_irqs--;
-	cohc->completed = cohd_fin->desc.cookie;
+	/* locate callback to client */
+	callback = cohd_fin->desc.callback;
+	callback_param = cohd_fin->desc.callback_param;
 
-	if (cohc->nbr_active_done == 0)
-		return;
+	/* sign this job as completed on the channel */
+	cohc->completed = cohd_fin->desc.cookie;
 
-	if (!cohd_fin->pending_irqs) {
-		/* release the lli allocation*/
-		coh901318_lli_free(&cohc->base->pool, &cohd_fin->data);
-	}
+	/* release the lli allocation and remove the descriptor */
+	coh901318_lli_free(&cohc->base->pool, &cohd_fin->data);
 
-	dev_vdbg(COHC_2_DEV(cohc), "[%s] chan_id %d pending_irqs %d"
-		 " nbr_active_done %ld\n", __func__,
-		 cohc->id, cohc->pending_irqs, cohc->nbr_active_done);
+	/* return desc to free-list */
+	coh901318_desc_remove(cohd_fin);
+	coh901318_desc_free(cohc, cohd_fin);
 
-	/* callback to client */
-	callback = cohd_fin->desc.callback;
-	callback_param = cohd_fin->desc.callback_param;
-
-	if (!cohd_fin->pending_irqs) {
-		coh901318_desc_remove(cohd_fin);
+	spin_unlock_irqrestore(&cohc->lock, flags);
 
-		/* return desc to free-list */
-		coh901318_desc_free(cohc, cohd_fin);
-	}
+	/* Call the callback when we're done */
+	if (callback)
+		callback(callback_param);
 
-	if (cohc->nbr_active_done)
-		cohc->nbr_active_done--;
+	spin_lock_irqsave(&cohc->lock, flags);
 
+	/*
+	 * If another interrupt fired while the tasklet was scheduling,
+	 * we don't get called twice, so we have this number of active
+	 * counter that keep track of the number of IRQs expected to
+	 * be handled for this channel. If there happen to be more than
+	 * one IRQ to be ack:ed, we simply schedule this tasklet again.
+	 */
+	cohc->nbr_active_done--;
 	if (cohc->nbr_active_done) {
+		dev_dbg(COHC_2_DEV(cohc), "scheduling tasklet again, new IRQs "
+			"came in while we were scheduling this tasklet\n");
 		if (cohc_chan_conf(cohc)->priority_high)
 			tasklet_hi_schedule(&cohc->tasklet);
 		else
 			tasklet_schedule(&cohc->tasklet);
 	}
-	spin_unlock_irqrestore(&cohc->lock, flags);
 
-	if (callback)
-		callback(callback_param);
+	spin_unlock_irqrestore(&cohc->lock, flags);
 
 	return;
 
@@ -667,16 +672,17 @@ static void dma_tc_handle(struct coh901318_chan *cohc)
 	if (!cohc->allocated)
 		return;
 
-	BUG_ON(cohc->pending_irqs == 0);
+	spin_lock(&cohc->lock);
 
-	cohc->pending_irqs--;
 	cohc->nbr_active_done++;
 
-	if (cohc->pending_irqs == 0 && coh901318_queue_start(cohc) == NULL)
+	if (coh901318_queue_start(cohc) == NULL)
 		cohc->busy = 0;
 
 	BUG_ON(list_empty(&cohc->active));
 
+	spin_unlock(&cohc->lock);
+
 	if (cohc_chan_conf(cohc)->priority_high)
 		tasklet_hi_schedule(&cohc->tasklet);
 	else
@@ -870,6 +876,7 @@ coh901318_prep_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
 	struct coh901318_chan *cohc = to_coh901318_chan(chan);
 	int lli_len;
 	u32 ctrl_last = cohc_chan_param(cohc)->ctrl_lli_last;
+	int ret;
 
 	spin_lock_irqsave(&cohc->lock, flg);
 
@@ -890,22 +897,19 @@ coh901318_prep_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src,
 	if (data == NULL)
 		goto err;
 
-	cohd = coh901318_desc_get(cohc);
-	cohd->sg = NULL;
-	cohd->sg_len = 0;
-	cohd->data = data;
-
-	cohd->pending_irqs =
-		coh901318_lli_fill_memcpy(
-				&cohc->base->pool, data, src, size, dest,
-				cohc_chan_param(cohc)->ctrl_lli_chained,
-				ctrl_last);
-	cohd->flags = flags;
+	ret = coh901318_lli_fill_memcpy(
+		&cohc->base->pool, data, src, size, dest,
+		cohc_chan_param(cohc)->ctrl_lli_chained,
+		ctrl_last);
+	if (ret)
+		goto err;
 
 	COH_DBG(coh901318_list_print(cohc, data));
 
-	dma_async_tx_descriptor_init(&cohd->desc, chan);
-
+	/* Pick a descriptor to handle this transfer */
+	cohd = coh901318_desc_get(cohc);
+	cohd->data = data;
+	cohd->flags = flags;
 	cohd->desc.tx_submit = coh901318_tx_submit;
 
 	spin_unlock_irqrestore(&cohc->lock, flg);
@@ -924,6 +928,7 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 	struct coh901318_chan *cohc = to_coh901318_chan(chan);
 	struct coh901318_lli *data;
 	struct coh901318_desc *cohd;
+	const struct coh901318_params *params;
 	struct scatterlist *sg;
 	int len = 0;
 	int size;
@@ -931,7 +936,9 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 	u32 ctrl_chained = cohc_chan_param(cohc)->ctrl_lli_chained;
 	u32 ctrl = cohc_chan_param(cohc)->ctrl_lli;
 	u32 ctrl_last = cohc_chan_param(cohc)->ctrl_lli_last;
+	u32 config;
 	unsigned long flg;
+	int ret;
 
 	if (!sgl)
 		goto out;
@@ -947,15 +954,14 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 		/* Trigger interrupt after last lli */
 		ctrl_last |= COH901318_CX_CTRL_TC_IRQ_ENABLE;
 
-	cohd = coh901318_desc_get(cohc);
-	cohd->sg = NULL;
-	cohd->sg_len = 0;
-	cohd->dir = direction;
+	params = cohc_chan_param(cohc);
+	config = params->config;
 
 	if (direction == DMA_TO_DEVICE) {
 		u32 tx_flags = COH901318_CX_CTRL_PRDD_SOURCE |
 			COH901318_CX_CTRL_SRC_ADDR_INC_ENABLE;
 
+		config |= COH901318_CX_CFG_RM_MEMORY_TO_PRIMARY;
 		ctrl_chained |= tx_flags;
 		ctrl_last |= tx_flags;
 		ctrl |= tx_flags;
@@ -963,16 +969,14 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 		u32 rx_flags = COH901318_CX_CTRL_PRDD_DEST |
 			COH901318_CX_CTRL_DST_ADDR_INC_ENABLE;
 
+		config |= COH901318_CX_CFG_RM_PRIMARY_TO_MEMORY;
 		ctrl_chained |= rx_flags;
 		ctrl_last |= rx_flags;
 		ctrl |= rx_flags;
 	} else
 		goto err_direction;
 
-	dma_async_tx_descriptor_init(&cohd->desc, chan);
-
-	cohd->desc.tx_submit = coh901318_tx_submit;
-
+	coh901318_set_conf(cohc, config);
 
 	/* The dma only supports transmitting packages up to
 	 * MAX_DMA_PACKET_SIZE. Calculate to total number of
@@ -994,32 +998,37 @@ coh901318_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl,
 		len += factor;
 	}
 
+	pr_debug("Allocate %d lli:s for this transfer\n", len);
 	data = coh901318_lli_alloc(&cohc->base->pool, len);
 
 	if (data == NULL)
 		goto err_dma_alloc;
 
 	/* initiate allocated data list */
-	cohd->pending_irqs =
-		coh901318_lli_fill_sg(&cohc->base->pool, data, sgl, sg_len,
-				      cohc_dev_addr(cohc),
-				      ctrl_chained,
-				      ctrl,
-				      ctrl_last,
-				      direction, COH901318_CX_CTRL_TC_IRQ_ENABLE);
-	cohd->data = data;
-
-	cohd->flags = flags;
+	ret = coh901318_lli_fill_sg(&cohc->base->pool, data, sgl, sg_len,
+				    cohc_dev_addr(cohc),
+				    ctrl_chained,
+				    ctrl,
+				    ctrl_last,
+				    direction, COH901318_CX_CTRL_TC_IRQ_ENABLE);
+	if (ret)
+		goto err_lli_fill;
 
 	COH_DBG(coh901318_list_print(cohc, data));
 
+	/* Pick a descriptor to handle this transfer */
+	cohd = coh901318_desc_get(cohc);
+	cohd->dir = direction;
+	cohd->flags = flags;
+	cohd->desc.tx_submit = coh901318_tx_submit;
+	cohd->data = data;
+
 	spin_unlock_irqrestore(&cohc->lock, flg);
 
 	return &cohd->desc;
+ err_lli_fill:
  err_dma_alloc:
  err_direction:
-	coh901318_desc_remove(cohd);
-	coh901318_desc_free(cohc, cohd);
 	spin_unlock_irqrestore(&cohc->lock, flg);
  out:
 	return NULL;
@@ -1092,9 +1101,8 @@ coh901318_terminate_all(struct dma_chan *chan)
 		/* release the lli allocation*/
 		coh901318_lli_free(&cohc->base->pool, &cohd->data);
 
-		coh901318_desc_remove(cohd);
-
 		/* return desc to free-list */
+		coh901318_desc_remove(cohd);
 		coh901318_desc_free(cohc, cohd);
 	}
 
@@ -1102,16 +1110,14 @@ coh901318_terminate_all(struct dma_chan *chan)
 		/* release the lli allocation*/
 		coh901318_lli_free(&cohc->base->pool, &cohd->data);
 
-		coh901318_desc_remove(cohd);
-
 		/* return desc to free-list */
+		coh901318_desc_remove(cohd);
 		coh901318_desc_free(cohc, cohd);
 	}
 
 
 	cohc->nbr_active_done = 0;
 	cohc->busy = 0;
-	cohc->pending_irqs = 0;
 
 	spin_unlock_irqrestore(&cohc->lock, flags);
 }
@@ -1138,7 +1144,6 @@ void coh901318_base_init(struct dma_device *dma, const int *pick_chans,
 
 			spin_lock_init(&cohc->lock);
 
-			cohc->pending_irqs = 0;
 			cohc->nbr_active_done = 0;
 			cohc->busy = 0;
 			INIT_LIST_HEAD(&cohc->free);
@@ -1254,12 +1259,17 @@ static int __init coh901318_probe(struct platform_device *pdev)
 	base->dma_memcpy.device_issue_pending = coh901318_issue_pending;
 	base->dma_memcpy.device_terminate_all = coh901318_terminate_all;
 	base->dma_memcpy.dev = &pdev->dev;
+	/*
+	 * This controller can only access address at even 32bit boundaries,
+	 * i.e. 2^2
+	 */
+	base->dma_memcpy.copy_align = 2;
 	err = dma_async_device_register(&base->dma_memcpy);
 
 	if (err)
 		goto err_register_memcpy;
 
-	dev_dbg(&pdev->dev, "Initialized COH901318 DMA on virtual base 0x%08x\n",
+	dev_info(&pdev->dev, "Initialized COH901318 DMA on virtual base 0x%08x\n",
 		(u32) base->virtbase);
 
 	return err;
diff --git a/drivers/dma/coh901318_lli.c b/drivers/dma/coh901318_lli.c
index f5120f238a4d..71d58c1a1e86 100644
--- a/drivers/dma/coh901318_lli.c
+++ b/drivers/dma/coh901318_lli.c
@@ -74,6 +74,8 @@ coh901318_lli_alloc(struct coh901318_pool *pool, unsigned int len)
 
 	lli = head;
 	lli->phy_this = phy;
+	lli->link_addr = 0x00000000;
+	lli->virt_link_addr = 0x00000000U;
 
 	for (i = 1; i < len; i++) {
 		lli_prev = lli;
@@ -85,13 +87,13 @@ coh901318_lli_alloc(struct coh901318_pool *pool, unsigned int len)
 
 		DEBUGFS_POOL_COUNTER_ADD(pool, 1);
 		lli->phy_this = phy;
+		lli->link_addr = 0x00000000;
+		lli->virt_link_addr = 0x00000000U;
 
 		lli_prev->link_addr = phy;
 		lli_prev->virt_link_addr = lli;
 	}
 
-	lli->link_addr = 0x00000000U;
-
 	spin_unlock(&pool->lock);
 
 	return head;
@@ -166,8 +168,7 @@ coh901318_lli_fill_memcpy(struct coh901318_pool *pool,
 	lli->src_addr = src;
 	lli->dst_addr = dst;
 
-	/* One irq per single transfer */
-	return 1;
+	return 0;
 }
 
 int
@@ -223,8 +224,7 @@ coh901318_lli_fill_single(struct coh901318_pool *pool,
 	lli->src_addr = src;
 	lli->dst_addr = dst;
 
-	/* One irq per single transfer */
-	return 1;
+	return 0;
 }
 
 int
@@ -240,7 +240,6 @@ coh901318_lli_fill_sg(struct coh901318_pool *pool,
 	u32 ctrl_sg;
 	dma_addr_t src = 0;
 	dma_addr_t dst = 0;
-	int nbr_of_irq = 0;
 	u32 bytes_to_transfer;
 	u32 elem_size;
 
@@ -269,15 +268,12 @@ coh901318_lli_fill_sg(struct coh901318_pool *pool,
 			ctrl_sg = ctrl ? ctrl : ctrl_last;
 
 
-		if ((ctrl_sg & ctrl_irq_mask))
-			nbr_of_irq++;
-
 		if (dir == DMA_TO_DEVICE)
 			/* increment source address */
-			src = sg_dma_address(sg);
+			src = sg_phys(sg);
 		else
 			/* increment destination address */
-			dst =  sg_dma_address(sg);
+			dst =  sg_phys(sg);
 
 		bytes_to_transfer = sg_dma_len(sg);
 
@@ -310,8 +306,7 @@ coh901318_lli_fill_sg(struct coh901318_pool *pool,
 	}
 	spin_unlock(&pool->lock);
 
-	/* There can be many IRQs per sg transfer */
-	return nbr_of_irq;
+	return 0;
  err:
 	spin_unlock(&pool->lock);
 	return -EINVAL;
diff --git a/drivers/dma/coh901318_lli.h b/drivers/dma/coh901318_lli.h
index 7bf713b79c6b..7a5c80990e9e 100644
--- a/drivers/dma/coh901318_lli.h
+++ b/drivers/dma/coh901318_lli.h
@@ -30,7 +30,7 @@ struct device;
  * @pool: pool handle
  * @dev: dma device
  * @lli_nbr: number of lli:s in the pool
- * @algin: adress alignemtn of lli:s
+ * @algin: address alignemtn of lli:s
  * returns 0 on success otherwise none zero
  */
 int coh901318_pool_create(struct coh901318_pool *pool,
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index e7a3230fb7d5..87399cafce37 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -284,7 +284,7 @@ struct dma_chan_tbl_ent {
 /**
  * channel_table - percpu lookup table for memory-to-memory offload providers
  */
-static struct dma_chan_tbl_ent *channel_table[DMA_TX_TYPE_END];
+static struct dma_chan_tbl_ent __percpu *channel_table[DMA_TX_TYPE_END];
 
 static int __init dma_channel_table_init(void)
 {
diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c
index 948d563941c9..6fa55fe3dd24 100644
--- a/drivers/dma/dmatest.c
+++ b/drivers/dma/dmatest.c
@@ -237,7 +237,7 @@ static int dmatest_func(void *data)
 	dma_cookie_t		cookie;
 	enum dma_status		status;
 	enum dma_ctrl_flags 	flags;
-	u8			pq_coefs[pq_sources];
+	u8			pq_coefs[pq_sources + 1];
 	int			ret;
 	int			src_cnt;
 	int			dst_cnt;
@@ -257,7 +257,7 @@ static int dmatest_func(void *data)
 	} else if (thread->type == DMA_PQ) {
 		src_cnt = pq_sources | 1; /* force odd to ensure dst = src */
 		dst_cnt = 2;
-		for (i = 0; i < pq_sources; i++)
+		for (i = 0; i < src_cnt; i++)
 			pq_coefs[i] = 1;
 	} else
 		goto err_srcs;
@@ -347,7 +347,7 @@ static int dmatest_func(void *data)
 		else if (thread->type == DMA_XOR)
 			tx = dev->device_prep_dma_xor(chan,
 						      dma_dsts[0] + dst_off,
-						      dma_srcs, xor_sources,
+						      dma_srcs, src_cnt,
 						      len, flags);
 		else if (thread->type == DMA_PQ) {
 			dma_addr_t dma_pq[dst_cnt];
@@ -355,7 +355,7 @@ static int dmatest_func(void *data)
 			for (i = 0; i < dst_cnt; i++)
 				dma_pq[i] = dma_dsts[i] + dst_off;
 			tx = dev->device_prep_dma_pq(chan, dma_pq, dma_srcs,
-						     pq_sources, pq_coefs,
+						     src_cnt, pq_coefs,
 						     len, flags);
 		}
 
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index 296f9e747fac..bbb4be5a3ff4 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -37,19 +37,19 @@
 #include <asm/fsldma.h>
 #include "fsldma.h"
 
-static void dma_init(struct fsl_dma_chan *fsl_chan)
+static void dma_init(struct fsldma_chan *chan)
 {
 	/* Reset the channel */
-	DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr, 0, 32);
+	DMA_OUT(chan, &chan->regs->mr, 0, 32);
 
-	switch (fsl_chan->feature & FSL_DMA_IP_MASK) {
+	switch (chan->feature & FSL_DMA_IP_MASK) {
 	case FSL_DMA_IP_85XX:
 		/* Set the channel to below modes:
 		 * EIE - Error interrupt enable
 		 * EOSIE - End of segments interrupt enable (basic mode)
 		 * EOLNIE - End of links interrupt enable
 		 */
-		DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr, FSL_DMA_MR_EIE
+		DMA_OUT(chan, &chan->regs->mr, FSL_DMA_MR_EIE
 				| FSL_DMA_MR_EOLNIE | FSL_DMA_MR_EOSIE, 32);
 		break;
 	case FSL_DMA_IP_83XX:
@@ -57,170 +57,146 @@ static void dma_init(struct fsl_dma_chan *fsl_chan)
 		 * EOTIE - End-of-transfer interrupt enable
 		 * PRC_RM - PCI read multiple
 		 */
-		DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr, FSL_DMA_MR_EOTIE
+		DMA_OUT(chan, &chan->regs->mr, FSL_DMA_MR_EOTIE
 				| FSL_DMA_MR_PRC_RM, 32);
 		break;
 	}
-
 }
 
-static void set_sr(struct fsl_dma_chan *fsl_chan, u32 val)
+static void set_sr(struct fsldma_chan *chan, u32 val)
 {
-	DMA_OUT(fsl_chan, &fsl_chan->reg_base->sr, val, 32);
+	DMA_OUT(chan, &chan->regs->sr, val, 32);
 }
 
-static u32 get_sr(struct fsl_dma_chan *fsl_chan)
+static u32 get_sr(struct fsldma_chan *chan)
 {
-	return DMA_IN(fsl_chan, &fsl_chan->reg_base->sr, 32);
+	return DMA_IN(chan, &chan->regs->sr, 32);
 }
 
-static void set_desc_cnt(struct fsl_dma_chan *fsl_chan,
+static void set_desc_cnt(struct fsldma_chan *chan,
 				struct fsl_dma_ld_hw *hw, u32 count)
 {
-	hw->count = CPU_TO_DMA(fsl_chan, count, 32);
+	hw->count = CPU_TO_DMA(chan, count, 32);
 }
 
-static void set_desc_src(struct fsl_dma_chan *fsl_chan,
+static void set_desc_src(struct fsldma_chan *chan,
 				struct fsl_dma_ld_hw *hw, dma_addr_t src)
 {
 	u64 snoop_bits;
 
-	snoop_bits = ((fsl_chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_85XX)
+	snoop_bits = ((chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_85XX)
 		? ((u64)FSL_DMA_SATR_SREADTYPE_SNOOP_READ << 32) : 0;
-	hw->src_addr = CPU_TO_DMA(fsl_chan, snoop_bits | src, 64);
+	hw->src_addr = CPU_TO_DMA(chan, snoop_bits | src, 64);
 }
 
-static void set_desc_dest(struct fsl_dma_chan *fsl_chan,
-				struct fsl_dma_ld_hw *hw, dma_addr_t dest)
+static void set_desc_dst(struct fsldma_chan *chan,
+				struct fsl_dma_ld_hw *hw, dma_addr_t dst)
 {
 	u64 snoop_bits;
 
-	snoop_bits = ((fsl_chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_85XX)
+	snoop_bits = ((chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_85XX)
 		? ((u64)FSL_DMA_DATR_DWRITETYPE_SNOOP_WRITE << 32) : 0;
-	hw->dst_addr = CPU_TO_DMA(fsl_chan, snoop_bits | dest, 64);
+	hw->dst_addr = CPU_TO_DMA(chan, snoop_bits | dst, 64);
 }
 
-static void set_desc_next(struct fsl_dma_chan *fsl_chan,
+static void set_desc_next(struct fsldma_chan *chan,
 				struct fsl_dma_ld_hw *hw, dma_addr_t next)
 {
 	u64 snoop_bits;
 
-	snoop_bits = ((fsl_chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_83XX)
+	snoop_bits = ((chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_83XX)
 		? FSL_DMA_SNEN : 0;
-	hw->next_ln_addr = CPU_TO_DMA(fsl_chan, snoop_bits | next, 64);
-}
-
-static void set_cdar(struct fsl_dma_chan *fsl_chan, dma_addr_t addr)
-{
-	DMA_OUT(fsl_chan, &fsl_chan->reg_base->cdar, addr | FSL_DMA_SNEN, 64);
+	hw->next_ln_addr = CPU_TO_DMA(chan, snoop_bits | next, 64);
 }
 
-static dma_addr_t get_cdar(struct fsl_dma_chan *fsl_chan)
+static void set_cdar(struct fsldma_chan *chan, dma_addr_t addr)
 {
-	return DMA_IN(fsl_chan, &fsl_chan->reg_base->cdar, 64) & ~FSL_DMA_SNEN;
+	DMA_OUT(chan, &chan->regs->cdar, addr | FSL_DMA_SNEN, 64);
 }
 
-static void set_ndar(struct fsl_dma_chan *fsl_chan, dma_addr_t addr)
+static dma_addr_t get_cdar(struct fsldma_chan *chan)
 {
-	DMA_OUT(fsl_chan, &fsl_chan->reg_base->ndar, addr, 64);
+	return DMA_IN(chan, &chan->regs->cdar, 64) & ~FSL_DMA_SNEN;
 }
 
-static dma_addr_t get_ndar(struct fsl_dma_chan *fsl_chan)
+static dma_addr_t get_ndar(struct fsldma_chan *chan)
 {
-	return DMA_IN(fsl_chan, &fsl_chan->reg_base->ndar, 64);
+	return DMA_IN(chan, &chan->regs->ndar, 64);
 }
 
-static u32 get_bcr(struct fsl_dma_chan *fsl_chan)
+static u32 get_bcr(struct fsldma_chan *chan)
 {
-	return DMA_IN(fsl_chan, &fsl_chan->reg_base->bcr, 32);
+	return DMA_IN(chan, &chan->regs->bcr, 32);
 }
 
-static int dma_is_idle(struct fsl_dma_chan *fsl_chan)
+static int dma_is_idle(struct fsldma_chan *chan)
 {
-	u32 sr = get_sr(fsl_chan);
+	u32 sr = get_sr(chan);
 	return (!(sr & FSL_DMA_SR_CB)) || (sr & FSL_DMA_SR_CH);
 }
 
-static void dma_start(struct fsl_dma_chan *fsl_chan)
+static void dma_start(struct fsldma_chan *chan)
 {
-	u32 mr_set = 0;
-
-	if (fsl_chan->feature & FSL_DMA_CHAN_PAUSE_EXT) {
-		DMA_OUT(fsl_chan, &fsl_chan->reg_base->bcr, 0, 32);
-		mr_set |= FSL_DMA_MR_EMP_EN;
-	} else if ((fsl_chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_85XX) {
-		DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr,
-			DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32)
-				& ~FSL_DMA_MR_EMP_EN, 32);
+	u32 mode;
+
+	mode = DMA_IN(chan, &chan->regs->mr, 32);
+
+	if ((chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_85XX) {
+		if (chan->feature & FSL_DMA_CHAN_PAUSE_EXT) {
+			DMA_OUT(chan, &chan->regs->bcr, 0, 32);
+			mode |= FSL_DMA_MR_EMP_EN;
+		} else {
+			mode &= ~FSL_DMA_MR_EMP_EN;
+		}
 	}
 
-	if (fsl_chan->feature & FSL_DMA_CHAN_START_EXT)
-		mr_set |= FSL_DMA_MR_EMS_EN;
+	if (chan->feature & FSL_DMA_CHAN_START_EXT)
+		mode |= FSL_DMA_MR_EMS_EN;
 	else
-		mr_set |= FSL_DMA_MR_CS;
+		mode |= FSL_DMA_MR_CS;
 
-	DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr,
-			DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32)
-			| mr_set, 32);
+	DMA_OUT(chan, &chan->regs->mr, mode, 32);
 }
 
-static void dma_halt(struct fsl_dma_chan *fsl_chan)
+static void dma_halt(struct fsldma_chan *chan)
 {
+	u32 mode;
 	int i;
 
-	DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr,
-		DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32) | FSL_DMA_MR_CA,
-		32);
-	DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr,
-		DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32) & ~(FSL_DMA_MR_CS
-		| FSL_DMA_MR_EMS_EN | FSL_DMA_MR_CA), 32);
+	mode = DMA_IN(chan, &chan->regs->mr, 32);
+	mode |= FSL_DMA_MR_CA;
+	DMA_OUT(chan, &chan->regs->mr, mode, 32);
+
+	mode &= ~(FSL_DMA_MR_CS | FSL_DMA_MR_EMS_EN | FSL_DMA_MR_CA);
+	DMA_OUT(chan, &chan->regs->mr, mode, 32);
 
 	for (i = 0; i < 100; i++) {
-		if (dma_is_idle(fsl_chan))
-			break;
+		if (dma_is_idle(chan))
+			return;
+
 		udelay(10);
 	}
-	if (i >= 100 && !dma_is_idle(fsl_chan))
-		dev_err(fsl_chan->dev, "DMA halt timeout!\n");
+
+	if (!dma_is_idle(chan))
+		dev_err(chan->dev, "DMA halt timeout!\n");
 }
 
-static void set_ld_eol(struct fsl_dma_chan *fsl_chan,
+static void set_ld_eol(struct fsldma_chan *chan,
 			struct fsl_desc_sw *desc)
 {
 	u64 snoop_bits;
 
-	snoop_bits = ((fsl_chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_83XX)
+	snoop_bits = ((chan->feature & FSL_DMA_IP_MASK) == FSL_DMA_IP_83XX)
 		? FSL_DMA_SNEN : 0;
 
-	desc->hw.next_ln_addr = CPU_TO_DMA(fsl_chan,
-		DMA_TO_CPU(fsl_chan, desc->hw.next_ln_addr, 64) | FSL_DMA_EOL
+	desc->hw.next_ln_addr = CPU_TO_DMA(chan,
+		DMA_TO_CPU(chan, desc->hw.next_ln_addr, 64) | FSL_DMA_EOL
 			| snoop_bits, 64);
 }
 
-static void append_ld_queue(struct fsl_dma_chan *fsl_chan,
-		struct fsl_desc_sw *new_desc)
-{
-	struct fsl_desc_sw *queue_tail = to_fsl_desc(fsl_chan->ld_queue.prev);
-
-	if (list_empty(&fsl_chan->ld_queue))
-		return;
-
-	/* Link to the new descriptor physical address and
-	 * Enable End-of-segment interrupt for
-	 * the last link descriptor.
-	 * (the previous node's next link descriptor)
-	 *
-	 * For FSL_DMA_IP_83xx, the snoop enable bit need be set.
-	 */
-	queue_tail->hw.next_ln_addr = CPU_TO_DMA(fsl_chan,
-			new_desc->async_tx.phys | FSL_DMA_EOSIE |
-			(((fsl_chan->feature & FSL_DMA_IP_MASK)
-				== FSL_DMA_IP_83XX) ? FSL_DMA_SNEN : 0), 64);
-}
-
 /**
  * fsl_chan_set_src_loop_size - Set source address hold transfer size
- * @fsl_chan : Freescale DMA channel
+ * @chan : Freescale DMA channel
  * @size     : Address loop size, 0 for disable loop
  *
  * The set source address hold transfer size. The source
@@ -229,29 +205,30 @@ static void append_ld_queue(struct fsl_dma_chan *fsl_chan,
  * read data from SA, SA + 1, SA + 2, SA + 3, then loop back to SA,
  * SA + 1 ... and so on.
  */
-static void fsl_chan_set_src_loop_size(struct fsl_dma_chan *fsl_chan, int size)
+static void fsl_chan_set_src_loop_size(struct fsldma_chan *chan, int size)
 {
+	u32 mode;
+
+	mode = DMA_IN(chan, &chan->regs->mr, 32);
+
 	switch (size) {
 	case 0:
-		DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr,
-			DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32) &
-			(~FSL_DMA_MR_SAHE), 32);
+		mode &= ~FSL_DMA_MR_SAHE;
 		break;
 	case 1:
 	case 2:
 	case 4:
 	case 8:
-		DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr,
-			DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32) |
-			FSL_DMA_MR_SAHE | (__ilog2(size) << 14),
-			32);
+		mode |= FSL_DMA_MR_SAHE | (__ilog2(size) << 14);
 		break;
 	}
+
+	DMA_OUT(chan, &chan->regs->mr, mode, 32);
 }
 
 /**
- * fsl_chan_set_dest_loop_size - Set destination address hold transfer size
- * @fsl_chan : Freescale DMA channel
+ * fsl_chan_set_dst_loop_size - Set destination address hold transfer size
+ * @chan : Freescale DMA channel
  * @size     : Address loop size, 0 for disable loop
  *
  * The set destination address hold transfer size. The destination
@@ -260,29 +237,30 @@ static void fsl_chan_set_src_loop_size(struct fsl_dma_chan *fsl_chan, int size)
  * write data to TA, TA + 1, TA + 2, TA + 3, then loop back to TA,
  * TA + 1 ... and so on.
  */
-static void fsl_chan_set_dest_loop_size(struct fsl_dma_chan *fsl_chan, int size)
+static void fsl_chan_set_dst_loop_size(struct fsldma_chan *chan, int size)
 {
+	u32 mode;
+
+	mode = DMA_IN(chan, &chan->regs->mr, 32);
+
 	switch (size) {
 	case 0:
-		DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr,
-			DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32) &
-			(~FSL_DMA_MR_DAHE), 32);
+		mode &= ~FSL_DMA_MR_DAHE;
 		break;
 	case 1:
 	case 2:
 	case 4:
 	case 8:
-		DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr,
-			DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32) |
-			FSL_DMA_MR_DAHE | (__ilog2(size) << 16),
-			32);
+		mode |= FSL_DMA_MR_DAHE | (__ilog2(size) << 16);
 		break;
 	}
+
+	DMA_OUT(chan, &chan->regs->mr, mode, 32);
 }
 
 /**
  * fsl_chan_set_request_count - Set DMA Request Count for external control
- * @fsl_chan : Freescale DMA channel
+ * @chan : Freescale DMA channel
  * @size     : Number of bytes to transfer in a single request
  *
  * The Freescale DMA channel can be controlled by the external signal DREQ#.
@@ -292,35 +270,38 @@ static void fsl_chan_set_dest_loop_size(struct fsl_dma_chan *fsl_chan, int size)
  *
  * A size of 0 disables external pause control. The maximum size is 1024.
  */
-static void fsl_chan_set_request_count(struct fsl_dma_chan *fsl_chan, int size)
+static void fsl_chan_set_request_count(struct fsldma_chan *chan, int size)
 {
+	u32 mode;
+
 	BUG_ON(size > 1024);
-	DMA_OUT(fsl_chan, &fsl_chan->reg_base->mr,
-		DMA_IN(fsl_chan, &fsl_chan->reg_base->mr, 32)
-			| ((__ilog2(size) << 24) & 0x0f000000),
-		32);
+
+	mode = DMA_IN(chan, &chan->regs->mr, 32);
+	mode |= (__ilog2(size) << 24) & 0x0f000000;
+
+	DMA_OUT(chan, &chan->regs->mr, mode, 32);
 }
 
 /**
  * fsl_chan_toggle_ext_pause - Toggle channel external pause status
- * @fsl_chan : Freescale DMA channel
+ * @chan : Freescale DMA channel
  * @enable   : 0 is disabled, 1 is enabled.
  *
  * The Freescale DMA channel can be controlled by the external signal DREQ#.
  * The DMA Request Count feature should be used in addition to this feature
  * to set the number of bytes to transfer before pausing the channel.
  */
-static void fsl_chan_toggle_ext_pause(struct fsl_dma_chan *fsl_chan, int enable)
+static void fsl_chan_toggle_ext_pause(struct fsldma_chan *chan, int enable)
 {
 	if (enable)
-		fsl_chan->feature |= FSL_DMA_CHAN_PAUSE_EXT;
+		chan->feature |= FSL_DMA_CHAN_PAUSE_EXT;
 	else
-		fsl_chan->feature &= ~FSL_DMA_CHAN_PAUSE_EXT;
+		chan->feature &= ~FSL_DMA_CHAN_PAUSE_EXT;
 }
 
 /**
  * fsl_chan_toggle_ext_start - Toggle channel external start status
- * @fsl_chan : Freescale DMA channel
+ * @chan : Freescale DMA channel
  * @enable   : 0 is disabled, 1 is enabled.
  *
  * If enable the external start, the channel can be started by an
@@ -328,141 +309,196 @@ static void fsl_chan_toggle_ext_pause(struct fsl_dma_chan *fsl_chan, int enable)
  * transfer immediately. The DMA channel will wait for the
  * control pin asserted.
  */
-static void fsl_chan_toggle_ext_start(struct fsl_dma_chan *fsl_chan, int enable)
+static void fsl_chan_toggle_ext_start(struct fsldma_chan *chan, int enable)
 {
 	if (enable)
-		fsl_chan->feature |= FSL_DMA_CHAN_START_EXT;
+		chan->feature |= FSL_DMA_CHAN_START_EXT;
 	else
-		fsl_chan->feature &= ~FSL_DMA_CHAN_START_EXT;
+		chan->feature &= ~FSL_DMA_CHAN_START_EXT;
+}
+
+static void append_ld_queue(struct fsldma_chan *chan,
+			    struct fsl_desc_sw *desc)
+{
+	struct fsl_desc_sw *tail = to_fsl_desc(chan->ld_pending.prev);
+
+	if (list_empty(&chan->ld_pending))
+		goto out_splice;
+
+	/*
+	 * Add the hardware descriptor to the chain of hardware descriptors
+	 * that already exists in memory.
+	 *
+	 * This will un-set the EOL bit of the existing transaction, and the
+	 * last link in this transaction will become the EOL descriptor.
+	 */
+	set_desc_next(chan, &tail->hw, desc->async_tx.phys);
+
+	/*
+	 * Add the software descriptor and all children to the list
+	 * of pending transactions
+	 */
+out_splice:
+	list_splice_tail_init(&desc->tx_list, &chan->ld_pending);
 }
 
 static dma_cookie_t fsl_dma_tx_submit(struct dma_async_tx_descriptor *tx)
 {
-	struct fsl_dma_chan *fsl_chan = to_fsl_chan(tx->chan);
+	struct fsldma_chan *chan = to_fsl_chan(tx->chan);
 	struct fsl_desc_sw *desc = tx_to_fsl_desc(tx);
 	struct fsl_desc_sw *child;
 	unsigned long flags;
 	dma_cookie_t cookie;
 
-	/* cookie increment and adding to ld_queue must be atomic */
-	spin_lock_irqsave(&fsl_chan->desc_lock, flags);
+	spin_lock_irqsave(&chan->desc_lock, flags);
 
-	cookie = fsl_chan->common.cookie;
+	/*
+	 * assign cookies to all of the software descriptors
+	 * that make up this transaction
+	 */
+	cookie = chan->common.cookie;
 	list_for_each_entry(child, &desc->tx_list, node) {
 		cookie++;
 		if (cookie < 0)
 			cookie = 1;
 
-		desc->async_tx.cookie = cookie;
+		child->async_tx.cookie = cookie;
 	}
 
-	fsl_chan->common.cookie = cookie;
-	append_ld_queue(fsl_chan, desc);
-	list_splice_init(&desc->tx_list, fsl_chan->ld_queue.prev);
+	chan->common.cookie = cookie;
+
+	/* put this transaction onto the tail of the pending queue */
+	append_ld_queue(chan, desc);
 
-	spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
+	spin_unlock_irqrestore(&chan->desc_lock, flags);
 
 	return cookie;
 }
 
 /**
  * fsl_dma_alloc_descriptor - Allocate descriptor from channel's DMA pool.
- * @fsl_chan : Freescale DMA channel
+ * @chan : Freescale DMA channel
  *
  * Return - The descriptor allocated. NULL for failed.
  */
 static struct fsl_desc_sw *fsl_dma_alloc_descriptor(
-					struct fsl_dma_chan *fsl_chan)
+					struct fsldma_chan *chan)
 {
+	struct fsl_desc_sw *desc;
 	dma_addr_t pdesc;
-	struct fsl_desc_sw *desc_sw;
-
-	desc_sw = dma_pool_alloc(fsl_chan->desc_pool, GFP_ATOMIC, &pdesc);
-	if (desc_sw) {
-		memset(desc_sw, 0, sizeof(struct fsl_desc_sw));
-		INIT_LIST_HEAD(&desc_sw->tx_list);
-		dma_async_tx_descriptor_init(&desc_sw->async_tx,
-						&fsl_chan->common);
-		desc_sw->async_tx.tx_submit = fsl_dma_tx_submit;
-		desc_sw->async_tx.phys = pdesc;
+
+	desc = dma_pool_alloc(chan->desc_pool, GFP_ATOMIC, &pdesc);
+	if (!desc) {
+		dev_dbg(chan->dev, "out of memory for link desc\n");
+		return NULL;
 	}
 
-	return desc_sw;
+	memset(desc, 0, sizeof(*desc));
+	INIT_LIST_HEAD(&desc->tx_list);
+	dma_async_tx_descriptor_init(&desc->async_tx, &chan->common);
+	desc->async_tx.tx_submit = fsl_dma_tx_submit;
+	desc->async_tx.phys = pdesc;
+
+	return desc;
 }
 
 
 /**
  * fsl_dma_alloc_chan_resources - Allocate resources for DMA channel.
- * @fsl_chan : Freescale DMA channel
+ * @chan : Freescale DMA channel
  *
  * This function will create a dma pool for descriptor allocation.
  *
  * Return - The number of descriptors allocated.
  */
-static int fsl_dma_alloc_chan_resources(struct dma_chan *chan)
+static int fsl_dma_alloc_chan_resources(struct dma_chan *dchan)
 {
-	struct fsl_dma_chan *fsl_chan = to_fsl_chan(chan);
+	struct fsldma_chan *chan = to_fsl_chan(dchan);
 
 	/* Has this channel already been allocated? */
-	if (fsl_chan->desc_pool)
+	if (chan->desc_pool)
 		return 1;
 
-	/* We need the descriptor to be aligned to 32bytes
+	/*
+	 * We need the descriptor to be aligned to 32bytes
 	 * for meeting FSL DMA specification requirement.
 	 */
-	fsl_chan->desc_pool = dma_pool_create("fsl_dma_engine_desc_pool",
-			fsl_chan->dev, sizeof(struct fsl_desc_sw),
-			32, 0);
-	if (!fsl_chan->desc_pool) {
-		dev_err(fsl_chan->dev, "No memory for channel %d "
-			"descriptor dma pool.\n", fsl_chan->id);
-		return 0;
+	chan->desc_pool = dma_pool_create("fsl_dma_engine_desc_pool",
+					  chan->dev,
+					  sizeof(struct fsl_desc_sw),
+					  __alignof__(struct fsl_desc_sw), 0);
+	if (!chan->desc_pool) {
+		dev_err(chan->dev, "unable to allocate channel %d "
+				   "descriptor pool\n", chan->id);
+		return -ENOMEM;
 	}
 
+	/* there is at least one descriptor free to be allocated */
 	return 1;
 }
 
 /**
- * fsl_dma_free_chan_resources - Free all resources of the channel.
- * @fsl_chan : Freescale DMA channel
+ * fsldma_free_desc_list - Free all descriptors in a queue
+ * @chan: Freescae DMA channel
+ * @list: the list to free
+ *
+ * LOCKING: must hold chan->desc_lock
  */
-static void fsl_dma_free_chan_resources(struct dma_chan *chan)
+static void fsldma_free_desc_list(struct fsldma_chan *chan,
+				  struct list_head *list)
 {
-	struct fsl_dma_chan *fsl_chan = to_fsl_chan(chan);
 	struct fsl_desc_sw *desc, *_desc;
-	unsigned long flags;
 
-	dev_dbg(fsl_chan->dev, "Free all channel resources.\n");
-	spin_lock_irqsave(&fsl_chan->desc_lock, flags);
-	list_for_each_entry_safe(desc, _desc, &fsl_chan->ld_queue, node) {
-#ifdef FSL_DMA_LD_DEBUG
-		dev_dbg(fsl_chan->dev,
-				"LD %p will be released.\n", desc);
-#endif
+	list_for_each_entry_safe(desc, _desc, list, node) {
+		list_del(&desc->node);
+		dma_pool_free(chan->desc_pool, desc, desc->async_tx.phys);
+	}
+}
+
+static void fsldma_free_desc_list_reverse(struct fsldma_chan *chan,
+					  struct list_head *list)
+{
+	struct fsl_desc_sw *desc, *_desc;
+
+	list_for_each_entry_safe_reverse(desc, _desc, list, node) {
 		list_del(&desc->node);
-		/* free link descriptor */
-		dma_pool_free(fsl_chan->desc_pool, desc, desc->async_tx.phys);
+		dma_pool_free(chan->desc_pool, desc, desc->async_tx.phys);
 	}
-	spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
-	dma_pool_destroy(fsl_chan->desc_pool);
+}
+
+/**
+ * fsl_dma_free_chan_resources - Free all resources of the channel.
+ * @chan : Freescale DMA channel
+ */
+static void fsl_dma_free_chan_resources(struct dma_chan *dchan)
+{
+	struct fsldma_chan *chan = to_fsl_chan(dchan);
+	unsigned long flags;
+
+	dev_dbg(chan->dev, "Free all channel resources.\n");
+	spin_lock_irqsave(&chan->desc_lock, flags);
+	fsldma_free_desc_list(chan, &chan->ld_pending);
+	fsldma_free_desc_list(chan, &chan->ld_running);
+	spin_unlock_irqrestore(&chan->desc_lock, flags);
 
-	fsl_chan->desc_pool = NULL;
+	dma_pool_destroy(chan->desc_pool);
+	chan->desc_pool = NULL;
 }
 
 static struct dma_async_tx_descriptor *
-fsl_dma_prep_interrupt(struct dma_chan *chan, unsigned long flags)
+fsl_dma_prep_interrupt(struct dma_chan *dchan, unsigned long flags)
 {
-	struct fsl_dma_chan *fsl_chan;
+	struct fsldma_chan *chan;
 	struct fsl_desc_sw *new;
 
-	if (!chan)
+	if (!dchan)
 		return NULL;
 
-	fsl_chan = to_fsl_chan(chan);
+	chan = to_fsl_chan(dchan);
 
-	new = fsl_dma_alloc_descriptor(fsl_chan);
+	new = fsl_dma_alloc_descriptor(chan);
 	if (!new) {
-		dev_err(fsl_chan->dev, "No free memory for link descriptor\n");
+		dev_err(chan->dev, "No free memory for link descriptor\n");
 		return NULL;
 	}
 
@@ -473,51 +509,50 @@ fsl_dma_prep_interrupt(struct dma_chan *chan, unsigned long flags)
 	list_add_tail(&new->node, &new->tx_list);
 
 	/* Set End-of-link to the last link descriptor of new list*/
-	set_ld_eol(fsl_chan, new);
+	set_ld_eol(chan, new);
 
 	return &new->async_tx;
 }
 
 static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
-	struct dma_chan *chan, dma_addr_t dma_dest, dma_addr_t dma_src,
+	struct dma_chan *dchan, dma_addr_t dma_dst, dma_addr_t dma_src,
 	size_t len, unsigned long flags)
 {
-	struct fsl_dma_chan *fsl_chan;
+	struct fsldma_chan *chan;
 	struct fsl_desc_sw *first = NULL, *prev = NULL, *new;
-	struct list_head *list;
 	size_t copy;
 
-	if (!chan)
+	if (!dchan)
 		return NULL;
 
 	if (!len)
 		return NULL;
 
-	fsl_chan = to_fsl_chan(chan);
+	chan = to_fsl_chan(dchan);
 
 	do {
 
 		/* Allocate the link descriptor from DMA pool */
-		new = fsl_dma_alloc_descriptor(fsl_chan);
+		new = fsl_dma_alloc_descriptor(chan);
 		if (!new) {
-			dev_err(fsl_chan->dev,
+			dev_err(chan->dev,
 					"No free memory for link descriptor\n");
 			goto fail;
 		}
 #ifdef FSL_DMA_LD_DEBUG
-		dev_dbg(fsl_chan->dev, "new link desc alloc %p\n", new);
+		dev_dbg(chan->dev, "new link desc alloc %p\n", new);
 #endif
 
 		copy = min(len, (size_t)FSL_DMA_BCR_MAX_CNT);
 
-		set_desc_cnt(fsl_chan, &new->hw, copy);
-		set_desc_src(fsl_chan, &new->hw, dma_src);
-		set_desc_dest(fsl_chan, &new->hw, dma_dest);
+		set_desc_cnt(chan, &new->hw, copy);
+		set_desc_src(chan, &new->hw, dma_src);
+		set_desc_dst(chan, &new->hw, dma_dst);
 
 		if (!first)
 			first = new;
 		else
-			set_desc_next(fsl_chan, &prev->hw, new->async_tx.phys);
+			set_desc_next(chan, &prev->hw, new->async_tx.phys);
 
 		new->async_tx.cookie = 0;
 		async_tx_ack(&new->async_tx);
@@ -525,7 +560,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
 		prev = new;
 		len -= copy;
 		dma_src += copy;
-		dma_dest += copy;
+		dma_dst += copy;
 
 		/* Insert the link descriptor to the LD ring */
 		list_add_tail(&new->node, &first->tx_list);
@@ -535,7 +570,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
 	new->async_tx.cookie = -EBUSY;
 
 	/* Set End-of-link to the last link descriptor of new list*/
-	set_ld_eol(fsl_chan, new);
+	set_ld_eol(chan, new);
 
 	return &first->async_tx;
 
@@ -543,12 +578,7 @@ fail:
 	if (!first)
 		return NULL;
 
-	list = &first->tx_list;
-	list_for_each_entry_safe_reverse(new, prev, list, node) {
-		list_del(&new->node);
-		dma_pool_free(fsl_chan->desc_pool, new, new->async_tx.phys);
-	}
-
+	fsldma_free_desc_list_reverse(chan, &first->tx_list);
 	return NULL;
 }
 
@@ -565,13 +595,12 @@ fail:
  * chan->private variable.
  */
 static struct dma_async_tx_descriptor *fsl_dma_prep_slave_sg(
-	struct dma_chan *chan, struct scatterlist *sgl, unsigned int sg_len,
+	struct dma_chan *dchan, struct scatterlist *sgl, unsigned int sg_len,
 	enum dma_data_direction direction, unsigned long flags)
 {
-	struct fsl_dma_chan *fsl_chan;
+	struct fsldma_chan *chan;
 	struct fsl_desc_sw *first = NULL, *prev = NULL, *new = NULL;
 	struct fsl_dma_slave *slave;
-	struct list_head *tx_list;
 	size_t copy;
 
 	int i;
@@ -581,14 +610,14 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_slave_sg(
 	struct fsl_dma_hw_addr *hw;
 	dma_addr_t dma_dst, dma_src;
 
-	if (!chan)
+	if (!dchan)
 		return NULL;
 
-	if (!chan->private)
+	if (!dchan->private)
 		return NULL;
 
-	fsl_chan = to_fsl_chan(chan);
-	slave = chan->private;
+	chan = to_fsl_chan(dchan);
+	slave = dchan->private;
 
 	if (list_empty(&slave->addresses))
 		return NULL;
@@ -637,14 +666,14 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_slave_sg(
 			}
 
 			/* Allocate the link descriptor from DMA pool */
-			new = fsl_dma_alloc_descriptor(fsl_chan);
+			new = fsl_dma_alloc_descriptor(chan);
 			if (!new) {
-				dev_err(fsl_chan->dev, "No free memory for "
+				dev_err(chan->dev, "No free memory for "
 						       "link descriptor\n");
 				goto fail;
 			}
 #ifdef FSL_DMA_LD_DEBUG
-			dev_dbg(fsl_chan->dev, "new link desc alloc %p\n", new);
+			dev_dbg(chan->dev, "new link desc alloc %p\n", new);
 #endif
 
 			/*
@@ -671,9 +700,9 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_slave_sg(
 			}
 
 			/* Fill in the descriptor */
-			set_desc_cnt(fsl_chan, &new->hw, copy);
-			set_desc_src(fsl_chan, &new->hw, dma_src);
-			set_desc_dest(fsl_chan, &new->hw, dma_dst);
+			set_desc_cnt(chan, &new->hw, copy);
+			set_desc_src(chan, &new->hw, dma_src);
+			set_desc_dst(chan, &new->hw, dma_dst);
 
 			/*
 			 * If this is not the first descriptor, chain the
@@ -682,7 +711,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_slave_sg(
 			if (!first) {
 				first = new;
 			} else {
-				set_desc_next(fsl_chan, &prev->hw,
+				set_desc_next(chan, &prev->hw,
 					      new->async_tx.phys);
 			}
 
@@ -708,23 +737,23 @@ finished:
 	new->async_tx.cookie = -EBUSY;
 
 	/* Set End-of-link to the last link descriptor of new list */
-	set_ld_eol(fsl_chan, new);
+	set_ld_eol(chan, new);
 
 	/* Enable extra controller features */
-	if (fsl_chan->set_src_loop_size)
-		fsl_chan->set_src_loop_size(fsl_chan, slave->src_loop_size);
+	if (chan->set_src_loop_size)
+		chan->set_src_loop_size(chan, slave->src_loop_size);
 
-	if (fsl_chan->set_dest_loop_size)
-		fsl_chan->set_dest_loop_size(fsl_chan, slave->dst_loop_size);
+	if (chan->set_dst_loop_size)
+		chan->set_dst_loop_size(chan, slave->dst_loop_size);
 
-	if (fsl_chan->toggle_ext_start)
-		fsl_chan->toggle_ext_start(fsl_chan, slave->external_start);
+	if (chan->toggle_ext_start)
+		chan->toggle_ext_start(chan, slave->external_start);
 
-	if (fsl_chan->toggle_ext_pause)
-		fsl_chan->toggle_ext_pause(fsl_chan, slave->external_pause);
+	if (chan->toggle_ext_pause)
+		chan->toggle_ext_pause(chan, slave->external_pause);
 
-	if (fsl_chan->set_request_count)
-		fsl_chan->set_request_count(fsl_chan, slave->request_count);
+	if (chan->set_request_count)
+		chan->set_request_count(chan, slave->request_count);
 
 	return &first->async_tx;
 
@@ -741,215 +770,216 @@ fail:
 	 *
 	 * We're re-using variables for the loop, oh well
 	 */
-	tx_list = &first->tx_list;
-	list_for_each_entry_safe_reverse(new, prev, tx_list, node) {
-		list_del_init(&new->node);
-		dma_pool_free(fsl_chan->desc_pool, new, new->async_tx.phys);
-	}
-
+	fsldma_free_desc_list_reverse(chan, &first->tx_list);
 	return NULL;
 }
 
-static void fsl_dma_device_terminate_all(struct dma_chan *chan)
+static void fsl_dma_device_terminate_all(struct dma_chan *dchan)
 {
-	struct fsl_dma_chan *fsl_chan;
-	struct fsl_desc_sw *desc, *tmp;
+	struct fsldma_chan *chan;
 	unsigned long flags;
 
-	if (!chan)
+	if (!dchan)
 		return;
 
-	fsl_chan = to_fsl_chan(chan);
+	chan = to_fsl_chan(dchan);
 
 	/* Halt the DMA engine */
-	dma_halt(fsl_chan);
+	dma_halt(chan);
 
-	spin_lock_irqsave(&fsl_chan->desc_lock, flags);
+	spin_lock_irqsave(&chan->desc_lock, flags);
 
 	/* Remove and free all of the descriptors in the LD queue */
-	list_for_each_entry_safe(desc, tmp, &fsl_chan->ld_queue, node) {
-		list_del(&desc->node);
-		dma_pool_free(fsl_chan->desc_pool, desc, desc->async_tx.phys);
-	}
+	fsldma_free_desc_list(chan, &chan->ld_pending);
+	fsldma_free_desc_list(chan, &chan->ld_running);
 
-	spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
+	spin_unlock_irqrestore(&chan->desc_lock, flags);
 }
 
 /**
  * fsl_dma_update_completed_cookie - Update the completed cookie.
- * @fsl_chan : Freescale DMA channel
+ * @chan : Freescale DMA channel
+ *
+ * CONTEXT: hardirq
  */
-static void fsl_dma_update_completed_cookie(struct fsl_dma_chan *fsl_chan)
+static void fsl_dma_update_completed_cookie(struct fsldma_chan *chan)
 {
-	struct fsl_desc_sw *cur_desc, *desc;
-	dma_addr_t ld_phy;
+	struct fsl_desc_sw *desc;
+	unsigned long flags;
+	dma_cookie_t cookie;
 
-	ld_phy = get_cdar(fsl_chan) & FSL_DMA_NLDA_MASK;
+	spin_lock_irqsave(&chan->desc_lock, flags);
 
-	if (ld_phy) {
-		cur_desc = NULL;
-		list_for_each_entry(desc, &fsl_chan->ld_queue, node)
-			if (desc->async_tx.phys == ld_phy) {
-				cur_desc = desc;
-				break;
-			}
+	if (list_empty(&chan->ld_running)) {
+		dev_dbg(chan->dev, "no running descriptors\n");
+		goto out_unlock;
+	}
 
-		if (cur_desc && cur_desc->async_tx.cookie) {
-			if (dma_is_idle(fsl_chan))
-				fsl_chan->completed_cookie =
-					cur_desc->async_tx.cookie;
-			else
-				fsl_chan->completed_cookie =
-					cur_desc->async_tx.cookie - 1;
-		}
+	/* Get the last descriptor, update the cookie to that */
+	desc = to_fsl_desc(chan->ld_running.prev);
+	if (dma_is_idle(chan))
+		cookie = desc->async_tx.cookie;
+	else {
+		cookie = desc->async_tx.cookie - 1;
+		if (unlikely(cookie < DMA_MIN_COOKIE))
+			cookie = DMA_MAX_COOKIE;
 	}
+
+	chan->completed_cookie = cookie;
+
+out_unlock:
+	spin_unlock_irqrestore(&chan->desc_lock, flags);
+}
+
+/**
+ * fsldma_desc_status - Check the status of a descriptor
+ * @chan: Freescale DMA channel
+ * @desc: DMA SW descriptor
+ *
+ * This function will return the status of the given descriptor
+ */
+static enum dma_status fsldma_desc_status(struct fsldma_chan *chan,
+					  struct fsl_desc_sw *desc)
+{
+	return dma_async_is_complete(desc->async_tx.cookie,
+				     chan->completed_cookie,
+				     chan->common.cookie);
 }
 
 /**
  * fsl_chan_ld_cleanup - Clean up link descriptors
- * @fsl_chan : Freescale DMA channel
+ * @chan : Freescale DMA channel
  *
  * This function clean up the ld_queue of DMA channel.
- * If 'in_intr' is set, the function will move the link descriptor to
- * the recycle list. Otherwise, free it directly.
  */
-static void fsl_chan_ld_cleanup(struct fsl_dma_chan *fsl_chan)
+static void fsl_chan_ld_cleanup(struct fsldma_chan *chan)
 {
 	struct fsl_desc_sw *desc, *_desc;
 	unsigned long flags;
 
-	spin_lock_irqsave(&fsl_chan->desc_lock, flags);
+	spin_lock_irqsave(&chan->desc_lock, flags);
 
-	dev_dbg(fsl_chan->dev, "chan completed_cookie = %d\n",
-			fsl_chan->completed_cookie);
-	list_for_each_entry_safe(desc, _desc, &fsl_chan->ld_queue, node) {
+	dev_dbg(chan->dev, "chan completed_cookie = %d\n", chan->completed_cookie);
+	list_for_each_entry_safe(desc, _desc, &chan->ld_running, node) {
 		dma_async_tx_callback callback;
 		void *callback_param;
 
-		if (dma_async_is_complete(desc->async_tx.cookie,
-			    fsl_chan->completed_cookie, fsl_chan->common.cookie)
-				== DMA_IN_PROGRESS)
+		if (fsldma_desc_status(chan, desc) == DMA_IN_PROGRESS)
 			break;
 
-		callback = desc->async_tx.callback;
-		callback_param = desc->async_tx.callback_param;
-
-		/* Remove from ld_queue list */
+		/* Remove from the list of running transactions */
 		list_del(&desc->node);
 
-		dev_dbg(fsl_chan->dev, "link descriptor %p will be recycle.\n",
-				desc);
-		dma_pool_free(fsl_chan->desc_pool, desc, desc->async_tx.phys);
-
 		/* Run the link descriptor callback function */
+		callback = desc->async_tx.callback;
+		callback_param = desc->async_tx.callback_param;
 		if (callback) {
-			spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
-			dev_dbg(fsl_chan->dev, "link descriptor %p callback\n",
-					desc);
+			spin_unlock_irqrestore(&chan->desc_lock, flags);
+			dev_dbg(chan->dev, "LD %p callback\n", desc);
 			callback(callback_param);
-			spin_lock_irqsave(&fsl_chan->desc_lock, flags);
+			spin_lock_irqsave(&chan->desc_lock, flags);
 		}
+
+		/* Run any dependencies, then free the descriptor */
+		dma_run_dependencies(&desc->async_tx);
+		dma_pool_free(chan->desc_pool, desc, desc->async_tx.phys);
 	}
-	spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
+
+	spin_unlock_irqrestore(&chan->desc_lock, flags);
 }
 
 /**
- * fsl_chan_xfer_ld_queue - Transfer link descriptors in channel ld_queue.
- * @fsl_chan : Freescale DMA channel
+ * fsl_chan_xfer_ld_queue - transfer any pending transactions
+ * @chan : Freescale DMA channel
+ *
+ * This will make sure that any pending transactions will be run.
+ * If the DMA controller is idle, it will be started. Otherwise,
+ * the DMA controller's interrupt handler will start any pending
+ * transactions when it becomes idle.
  */
-static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan)
+static void fsl_chan_xfer_ld_queue(struct fsldma_chan *chan)
 {
-	struct list_head *ld_node;
-	dma_addr_t next_dest_addr;
+	struct fsl_desc_sw *desc;
 	unsigned long flags;
 
-	spin_lock_irqsave(&fsl_chan->desc_lock, flags);
+	spin_lock_irqsave(&chan->desc_lock, flags);
 
-	if (!dma_is_idle(fsl_chan))
+	/*
+	 * If the list of pending descriptors is empty, then we
+	 * don't need to do any work at all
+	 */
+	if (list_empty(&chan->ld_pending)) {
+		dev_dbg(chan->dev, "no pending LDs\n");
 		goto out_unlock;
+	}
 
-	dma_halt(fsl_chan);
+	/*
+	 * The DMA controller is not idle, which means the interrupt
+	 * handler will start any queued transactions when it runs
+	 * at the end of the current transaction
+	 */
+	if (!dma_is_idle(chan)) {
+		dev_dbg(chan->dev, "DMA controller still busy\n");
+		goto out_unlock;
+	}
 
-	/* If there are some link descriptors
-	 * not transfered in queue. We need to start it.
+	/*
+	 * TODO:
+	 * make sure the dma_halt() function really un-wedges the
+	 * controller as much as possible
 	 */
+	dma_halt(chan);
 
-	/* Find the first un-transfer desciptor */
-	for (ld_node = fsl_chan->ld_queue.next;
-		(ld_node != &fsl_chan->ld_queue)
-			&& (dma_async_is_complete(
-				to_fsl_desc(ld_node)->async_tx.cookie,
-				fsl_chan->completed_cookie,
-				fsl_chan->common.cookie) == DMA_SUCCESS);
-		ld_node = ld_node->next);
-
-	if (ld_node != &fsl_chan->ld_queue) {
-		/* Get the ld start address from ld_queue */
-		next_dest_addr = to_fsl_desc(ld_node)->async_tx.phys;
-		dev_dbg(fsl_chan->dev, "xfer LDs staring from 0x%llx\n",
-				(unsigned long long)next_dest_addr);
-		set_cdar(fsl_chan, next_dest_addr);
-		dma_start(fsl_chan);
-	} else {
-		set_cdar(fsl_chan, 0);
-		set_ndar(fsl_chan, 0);
-	}
+	/*
+	 * If there are some link descriptors which have not been
+	 * transferred, we need to start the controller
+	 */
+
+	/*
+	 * Move all elements from the queue of pending transactions
+	 * onto the list of running transactions
+	 */
+	desc = list_first_entry(&chan->ld_pending, struct fsl_desc_sw, node);
+	list_splice_tail_init(&chan->ld_pending, &chan->ld_running);
+
+	/*
+	 * Program the descriptor's address into the DMA controller,
+	 * then start the DMA transaction
+	 */
+	set_cdar(chan, desc->async_tx.phys);
+	dma_start(chan);
 
 out_unlock:
-	spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
+	spin_unlock_irqrestore(&chan->desc_lock, flags);
 }
 
 /**
  * fsl_dma_memcpy_issue_pending - Issue the DMA start command
- * @fsl_chan : Freescale DMA channel
+ * @chan : Freescale DMA channel
  */
-static void fsl_dma_memcpy_issue_pending(struct dma_chan *chan)
+static void fsl_dma_memcpy_issue_pending(struct dma_chan *dchan)
 {
-	struct fsl_dma_chan *fsl_chan = to_fsl_chan(chan);
-
-#ifdef FSL_DMA_LD_DEBUG
-	struct fsl_desc_sw *ld;
-	unsigned long flags;
-
-	spin_lock_irqsave(&fsl_chan->desc_lock, flags);
-	if (list_empty(&fsl_chan->ld_queue)) {
-		spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
-		return;
-	}
-
-	dev_dbg(fsl_chan->dev, "--memcpy issue--\n");
-	list_for_each_entry(ld, &fsl_chan->ld_queue, node) {
-		int i;
-		dev_dbg(fsl_chan->dev, "Ch %d, LD %08x\n",
-				fsl_chan->id, ld->async_tx.phys);
-		for (i = 0; i < 8; i++)
-			dev_dbg(fsl_chan->dev, "LD offset %d: %08x\n",
-					i, *(((u32 *)&ld->hw) + i));
-	}
-	dev_dbg(fsl_chan->dev, "----------------\n");
-	spin_unlock_irqrestore(&fsl_chan->desc_lock, flags);
-#endif
-
-	fsl_chan_xfer_ld_queue(fsl_chan);
+	struct fsldma_chan *chan = to_fsl_chan(dchan);
+	fsl_chan_xfer_ld_queue(chan);
 }
 
 /**
  * fsl_dma_is_complete - Determine the DMA status
- * @fsl_chan : Freescale DMA channel
+ * @chan : Freescale DMA channel
  */
-static enum dma_status fsl_dma_is_complete(struct dma_chan *chan,
+static enum dma_status fsl_dma_is_complete(struct dma_chan *dchan,
 					dma_cookie_t cookie,
 					dma_cookie_t *done,
 					dma_cookie_t *used)
 {
-	struct fsl_dma_chan *fsl_chan = to_fsl_chan(chan);
+	struct fsldma_chan *chan = to_fsl_chan(dchan);
 	dma_cookie_t last_used;
 	dma_cookie_t last_complete;
 
-	fsl_chan_ld_cleanup(fsl_chan);
+	fsl_chan_ld_cleanup(chan);
 
-	last_used = chan->cookie;
-	last_complete = fsl_chan->completed_cookie;
+	last_used = dchan->cookie;
+	last_complete = chan->completed_cookie;
 
 	if (done)
 		*done = last_complete;
@@ -960,32 +990,37 @@ static enum dma_status fsl_dma_is_complete(struct dma_chan *chan,
 	return dma_async_is_complete(cookie, last_complete, last_used);
 }
 
-static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data)
+/*----------------------------------------------------------------------------*/
+/* Interrupt Handling                                                         */
+/*----------------------------------------------------------------------------*/
+
+static irqreturn_t fsldma_chan_irq(int irq, void *data)
 {
-	struct fsl_dma_chan *fsl_chan = (struct fsl_dma_chan *)data;
-	u32 stat;
+	struct fsldma_chan *chan = data;
 	int update_cookie = 0;
 	int xfer_ld_q = 0;
+	u32 stat;
 
-	stat = get_sr(fsl_chan);
-	dev_dbg(fsl_chan->dev, "event: channel %d, stat = 0x%x\n",
-						fsl_chan->id, stat);
-	set_sr(fsl_chan, stat);		/* Clear the event register */
+	/* save and clear the status register */
+	stat = get_sr(chan);
+	set_sr(chan, stat);
+	dev_dbg(chan->dev, "irq: channel %d, stat = 0x%x\n", chan->id, stat);
 
 	stat &= ~(FSL_DMA_SR_CB | FSL_DMA_SR_CH);
 	if (!stat)
 		return IRQ_NONE;
 
 	if (stat & FSL_DMA_SR_TE)
-		dev_err(fsl_chan->dev, "Transfer Error!\n");
+		dev_err(chan->dev, "Transfer Error!\n");
 
-	/* Programming Error
+	/*
+	 * Programming Error
 	 * The DMA_INTERRUPT async_tx is a NULL transfer, which will
 	 * triger a PE interrupt.
 	 */
 	if (stat & FSL_DMA_SR_PE) {
-		dev_dbg(fsl_chan->dev, "event: Programming Error INT\n");
-		if (get_bcr(fsl_chan) == 0) {
+		dev_dbg(chan->dev, "irq: Programming Error INT\n");
+		if (get_bcr(chan) == 0) {
 			/* BCR register is 0, this is a DMA_INTERRUPT async_tx.
 			 * Now, update the completed cookie, and continue the
 			 * next uncompleted transfer.
@@ -996,208 +1031,296 @@ static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data)
 		stat &= ~FSL_DMA_SR_PE;
 	}
 
-	/* If the link descriptor segment transfer finishes,
+	/*
+	 * If the link descriptor segment transfer finishes,
 	 * we will recycle the used descriptor.
 	 */
 	if (stat & FSL_DMA_SR_EOSI) {
-		dev_dbg(fsl_chan->dev, "event: End-of-segments INT\n");
-		dev_dbg(fsl_chan->dev, "event: clndar 0x%llx, nlndar 0x%llx\n",
-			(unsigned long long)get_cdar(fsl_chan),
-			(unsigned long long)get_ndar(fsl_chan));
+		dev_dbg(chan->dev, "irq: End-of-segments INT\n");
+		dev_dbg(chan->dev, "irq: clndar 0x%llx, nlndar 0x%llx\n",
+			(unsigned long long)get_cdar(chan),
+			(unsigned long long)get_ndar(chan));
 		stat &= ~FSL_DMA_SR_EOSI;
 		update_cookie = 1;
 	}
 
-	/* For MPC8349, EOCDI event need to update cookie
+	/*
+	 * For MPC8349, EOCDI event need to update cookie
 	 * and start the next transfer if it exist.
 	 */
 	if (stat & FSL_DMA_SR_EOCDI) {
-		dev_dbg(fsl_chan->dev, "event: End-of-Chain link INT\n");
+		dev_dbg(chan->dev, "irq: End-of-Chain link INT\n");
 		stat &= ~FSL_DMA_SR_EOCDI;
 		update_cookie = 1;
 		xfer_ld_q = 1;
 	}
 
-	/* If it current transfer is the end-of-transfer,
+	/*
+	 * If it current transfer is the end-of-transfer,
 	 * we should clear the Channel Start bit for
 	 * prepare next transfer.
 	 */
 	if (stat & FSL_DMA_SR_EOLNI) {
-		dev_dbg(fsl_chan->dev, "event: End-of-link INT\n");
+		dev_dbg(chan->dev, "irq: End-of-link INT\n");
 		stat &= ~FSL_DMA_SR_EOLNI;
 		xfer_ld_q = 1;
 	}
 
 	if (update_cookie)
-		fsl_dma_update_completed_cookie(fsl_chan);
+		fsl_dma_update_completed_cookie(chan);
 	if (xfer_ld_q)
-		fsl_chan_xfer_ld_queue(fsl_chan);
+		fsl_chan_xfer_ld_queue(chan);
 	if (stat)
-		dev_dbg(fsl_chan->dev, "event: unhandled sr 0x%02x\n",
-					stat);
+		dev_dbg(chan->dev, "irq: unhandled sr 0x%02x\n", stat);
 
-	dev_dbg(fsl_chan->dev, "event: Exit\n");
-	tasklet_schedule(&fsl_chan->tasklet);
+	dev_dbg(chan->dev, "irq: Exit\n");
+	tasklet_schedule(&chan->tasklet);
 	return IRQ_HANDLED;
 }
 
-static irqreturn_t fsl_dma_do_interrupt(int irq, void *data)
+static void dma_do_tasklet(unsigned long data)
 {
-	struct fsl_dma_device *fdev = (struct fsl_dma_device *)data;
-	u32 gsr;
-	int ch_nr;
+	struct fsldma_chan *chan = (struct fsldma_chan *)data;
+	fsl_chan_ld_cleanup(chan);
+}
+
+static irqreturn_t fsldma_ctrl_irq(int irq, void *data)
+{
+	struct fsldma_device *fdev = data;
+	struct fsldma_chan *chan;
+	unsigned int handled = 0;
+	u32 gsr, mask;
+	int i;
 
-	gsr = (fdev->feature & FSL_DMA_BIG_ENDIAN) ? in_be32(fdev->reg_base)
-			: in_le32(fdev->reg_base);
-	ch_nr = (32 - ffs(gsr)) / 8;
+	gsr = (fdev->feature & FSL_DMA_BIG_ENDIAN) ? in_be32(fdev->regs)
+						   : in_le32(fdev->regs);
+	mask = 0xff000000;
+	dev_dbg(fdev->dev, "IRQ: gsr 0x%.8x\n", gsr);
+
+	for (i = 0; i < FSL_DMA_MAX_CHANS_PER_DEVICE; i++) {
+		chan = fdev->chan[i];
+		if (!chan)
+			continue;
+
+		if (gsr & mask) {
+			dev_dbg(fdev->dev, "IRQ: chan %d\n", chan->id);
+			fsldma_chan_irq(irq, chan);
+			handled++;
+		}
 
-	return fdev->chan[ch_nr] ? fsl_dma_chan_do_interrupt(irq,
-			fdev->chan[ch_nr]) : IRQ_NONE;
+		gsr &= ~mask;
+		mask >>= 8;
+	}
+
+	return IRQ_RETVAL(handled);
 }
 
-static void dma_do_tasklet(unsigned long data)
+static void fsldma_free_irqs(struct fsldma_device *fdev)
 {
-	struct fsl_dma_chan *fsl_chan = (struct fsl_dma_chan *)data;
-	fsl_chan_ld_cleanup(fsl_chan);
+	struct fsldma_chan *chan;
+	int i;
+
+	if (fdev->irq != NO_IRQ) {
+		dev_dbg(fdev->dev, "free per-controller IRQ\n");
+		free_irq(fdev->irq, fdev);
+		return;
+	}
+
+	for (i = 0; i < FSL_DMA_MAX_CHANS_PER_DEVICE; i++) {
+		chan = fdev->chan[i];
+		if (chan && chan->irq != NO_IRQ) {
+			dev_dbg(fdev->dev, "free channel %d IRQ\n", chan->id);
+			free_irq(chan->irq, chan);
+		}
+	}
 }
 
-static int __devinit fsl_dma_chan_probe(struct fsl_dma_device *fdev,
+static int fsldma_request_irqs(struct fsldma_device *fdev)
+{
+	struct fsldma_chan *chan;
+	int ret;
+	int i;
+
+	/* if we have a per-controller IRQ, use that */
+	if (fdev->irq != NO_IRQ) {
+		dev_dbg(fdev->dev, "request per-controller IRQ\n");
+		ret = request_irq(fdev->irq, fsldma_ctrl_irq, IRQF_SHARED,
+				  "fsldma-controller", fdev);
+		return ret;
+	}
+
+	/* no per-controller IRQ, use the per-channel IRQs */
+	for (i = 0; i < FSL_DMA_MAX_CHANS_PER_DEVICE; i++) {
+		chan = fdev->chan[i];
+		if (!chan)
+			continue;
+
+		if (chan->irq == NO_IRQ) {
+			dev_err(fdev->dev, "no interrupts property defined for "
+					   "DMA channel %d. Please fix your "
+					   "device tree\n", chan->id);
+			ret = -ENODEV;
+			goto out_unwind;
+		}
+
+		dev_dbg(fdev->dev, "request channel %d IRQ\n", chan->id);
+		ret = request_irq(chan->irq, fsldma_chan_irq, IRQF_SHARED,
+				  "fsldma-chan", chan);
+		if (ret) {
+			dev_err(fdev->dev, "unable to request IRQ for DMA "
+					   "channel %d\n", chan->id);
+			goto out_unwind;
+		}
+	}
+
+	return 0;
+
+out_unwind:
+	for (/* none */; i >= 0; i--) {
+		chan = fdev->chan[i];
+		if (!chan)
+			continue;
+
+		if (chan->irq == NO_IRQ)
+			continue;
+
+		free_irq(chan->irq, chan);
+	}
+
+	return ret;
+}
+
+/*----------------------------------------------------------------------------*/
+/* OpenFirmware Subsystem                                                     */
+/*----------------------------------------------------------------------------*/
+
+static int __devinit fsl_dma_chan_probe(struct fsldma_device *fdev,
 	struct device_node *node, u32 feature, const char *compatible)
 {
-	struct fsl_dma_chan *new_fsl_chan;
+	struct fsldma_chan *chan;
+	struct resource res;
 	int err;
 
 	/* alloc channel */
-	new_fsl_chan = kzalloc(sizeof(struct fsl_dma_chan), GFP_KERNEL);
-	if (!new_fsl_chan) {
-		dev_err(fdev->dev, "No free memory for allocating "
-				"dma channels!\n");
-		return -ENOMEM;
+	chan = kzalloc(sizeof(*chan), GFP_KERNEL);
+	if (!chan) {
+		dev_err(fdev->dev, "no free memory for DMA channels!\n");
+		err = -ENOMEM;
+		goto out_return;
 	}
 
-	/* get dma channel register base */
-	err = of_address_to_resource(node, 0, &new_fsl_chan->reg);
-	if (err) {
-		dev_err(fdev->dev, "Can't get %s property 'reg'\n",
-				node->full_name);
-		goto err_no_reg;
+	/* ioremap registers for use */
+	chan->regs = of_iomap(node, 0);
+	if (!chan->regs) {
+		dev_err(fdev->dev, "unable to ioremap registers\n");
+		err = -ENOMEM;
+		goto out_free_chan;
 	}
 
-	new_fsl_chan->feature = feature;
+	err = of_address_to_resource(node, 0, &res);
+	if (err) {
+		dev_err(fdev->dev, "unable to find 'reg' property\n");
+		goto out_iounmap_regs;
+	}
 
+	chan->feature = feature;
 	if (!fdev->feature)
-		fdev->feature = new_fsl_chan->feature;
+		fdev->feature = chan->feature;
 
-	/* If the DMA device's feature is different than its channels',
-	 * report the bug.
+	/*
+	 * If the DMA device's feature is different than the feature
+	 * of its channels, report the bug
 	 */
-	WARN_ON(fdev->feature != new_fsl_chan->feature);
+	WARN_ON(fdev->feature != chan->feature);
 
-	new_fsl_chan->dev = fdev->dev;
-	new_fsl_chan->reg_base = ioremap(new_fsl_chan->reg.start,
-			new_fsl_chan->reg.end - new_fsl_chan->reg.start + 1);
-
-	new_fsl_chan->id = ((new_fsl_chan->reg.start - 0x100) & 0xfff) >> 7;
-	if (new_fsl_chan->id >= FSL_DMA_MAX_CHANS_PER_DEVICE) {
-		dev_err(fdev->dev, "There is no %d channel!\n",
-				new_fsl_chan->id);
+	chan->dev = fdev->dev;
+	chan->id = ((res.start - 0x100) & 0xfff) >> 7;
+	if (chan->id >= FSL_DMA_MAX_CHANS_PER_DEVICE) {
+		dev_err(fdev->dev, "too many channels for device\n");
 		err = -EINVAL;
-		goto err_no_chan;
+		goto out_iounmap_regs;
 	}
-	fdev->chan[new_fsl_chan->id] = new_fsl_chan;
-	tasklet_init(&new_fsl_chan->tasklet, dma_do_tasklet,
-			(unsigned long)new_fsl_chan);
 
-	/* Init the channel */
-	dma_init(new_fsl_chan);
+	fdev->chan[chan->id] = chan;
+	tasklet_init(&chan->tasklet, dma_do_tasklet, (unsigned long)chan);
+
+	/* Initialize the channel */
+	dma_init(chan);
 
 	/* Clear cdar registers */
-	set_cdar(new_fsl_chan, 0);
+	set_cdar(chan, 0);
 
-	switch (new_fsl_chan->feature & FSL_DMA_IP_MASK) {
+	switch (chan->feature & FSL_DMA_IP_MASK) {
 	case FSL_DMA_IP_85XX:
-		new_fsl_chan->toggle_ext_pause = fsl_chan_toggle_ext_pause;
+		chan->toggle_ext_pause = fsl_chan_toggle_ext_pause;
 	case FSL_DMA_IP_83XX:
-		new_fsl_chan->toggle_ext_start = fsl_chan_toggle_ext_start;
-		new_fsl_chan->set_src_loop_size = fsl_chan_set_src_loop_size;
-		new_fsl_chan->set_dest_loop_size = fsl_chan_set_dest_loop_size;
-		new_fsl_chan->set_request_count = fsl_chan_set_request_count;
+		chan->toggle_ext_start = fsl_chan_toggle_ext_start;
+		chan->set_src_loop_size = fsl_chan_set_src_loop_size;
+		chan->set_dst_loop_size = fsl_chan_set_dst_loop_size;
+		chan->set_request_count = fsl_chan_set_request_count;
 	}
 
-	spin_lock_init(&new_fsl_chan->desc_lock);
-	INIT_LIST_HEAD(&new_fsl_chan->ld_queue);
+	spin_lock_init(&chan->desc_lock);
+	INIT_LIST_HEAD(&chan->ld_pending);
+	INIT_LIST_HEAD(&chan->ld_running);
+
+	chan->common.device = &fdev->common;
 
-	new_fsl_chan->common.device = &fdev->common;
+	/* find the IRQ line, if it exists in the device tree */
+	chan->irq = irq_of_parse_and_map(node, 0);
 
 	/* Add the channel to DMA device channel list */
-	list_add_tail(&new_fsl_chan->common.device_node,
-			&fdev->common.channels);
+	list_add_tail(&chan->common.device_node, &fdev->common.channels);
 	fdev->common.chancnt++;
 
-	new_fsl_chan->irq = irq_of_parse_and_map(node, 0);
-	if (new_fsl_chan->irq != NO_IRQ) {
-		err = request_irq(new_fsl_chan->irq,
-					&fsl_dma_chan_do_interrupt, IRQF_SHARED,
-					"fsldma-channel", new_fsl_chan);
-		if (err) {
-			dev_err(fdev->dev, "DMA channel %s request_irq error "
-				"with return %d\n", node->full_name, err);
-			goto err_no_irq;
-		}
-	}
-
-	dev_info(fdev->dev, "#%d (%s), irq %d\n", new_fsl_chan->id,
-		 compatible,
-		 new_fsl_chan->irq != NO_IRQ ? new_fsl_chan->irq : fdev->irq);
+	dev_info(fdev->dev, "#%d (%s), irq %d\n", chan->id, compatible,
+		 chan->irq != NO_IRQ ? chan->irq : fdev->irq);
 
 	return 0;
 
-err_no_irq:
-	list_del(&new_fsl_chan->common.device_node);
-err_no_chan:
-	iounmap(new_fsl_chan->reg_base);
-err_no_reg:
-	kfree(new_fsl_chan);
+out_iounmap_regs:
+	iounmap(chan->regs);
+out_free_chan:
+	kfree(chan);
+out_return:
 	return err;
 }
 
-static void fsl_dma_chan_remove(struct fsl_dma_chan *fchan)
+static void fsl_dma_chan_remove(struct fsldma_chan *chan)
 {
-	if (fchan->irq != NO_IRQ)
-		free_irq(fchan->irq, fchan);
-	list_del(&fchan->common.device_node);
-	iounmap(fchan->reg_base);
-	kfree(fchan);
+	irq_dispose_mapping(chan->irq);
+	list_del(&chan->common.device_node);
+	iounmap(chan->regs);
+	kfree(chan);
 }
 
-static int __devinit of_fsl_dma_probe(struct of_device *dev,
+static int __devinit fsldma_of_probe(struct of_device *op,
 			const struct of_device_id *match)
 {
-	int err;
-	struct fsl_dma_device *fdev;
+	struct fsldma_device *fdev;
 	struct device_node *child;
+	int err;
 
-	fdev = kzalloc(sizeof(struct fsl_dma_device), GFP_KERNEL);
+	fdev = kzalloc(sizeof(*fdev), GFP_KERNEL);
 	if (!fdev) {
-		dev_err(&dev->dev, "No enough memory for 'priv'\n");
-		return -ENOMEM;
+		dev_err(&op->dev, "No enough memory for 'priv'\n");
+		err = -ENOMEM;
+		goto out_return;
 	}
-	fdev->dev = &dev->dev;
+
+	fdev->dev = &op->dev;
 	INIT_LIST_HEAD(&fdev->common.channels);
 
-	/* get DMA controller register base */
-	err = of_address_to_resource(dev->node, 0, &fdev->reg);
-	if (err) {
-		dev_err(&dev->dev, "Can't get %s property 'reg'\n",
-				dev->node->full_name);
-		goto err_no_reg;
+	/* ioremap the registers for use */
+	fdev->regs = of_iomap(op->node, 0);
+	if (!fdev->regs) {
+		dev_err(&op->dev, "unable to ioremap registers\n");
+		err = -ENOMEM;
+		goto out_free_fdev;
 	}
 
-	dev_info(&dev->dev, "Probe the Freescale DMA driver for %s "
-			"controller at 0x%llx...\n",
-			match->compatible, (unsigned long long)fdev->reg.start);
-	fdev->reg_base = ioremap(fdev->reg.start, fdev->reg.end
-						- fdev->reg.start + 1);
+	/* map the channel IRQ if it exists, but don't hookup the handler yet */
+	fdev->irq = irq_of_parse_and_map(op->node, 0);
 
 	dma_cap_set(DMA_MEMCPY, fdev->common.cap_mask);
 	dma_cap_set(DMA_INTERRUPT, fdev->common.cap_mask);
@@ -1210,103 +1333,111 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev,
 	fdev->common.device_issue_pending = fsl_dma_memcpy_issue_pending;
 	fdev->common.device_prep_slave_sg = fsl_dma_prep_slave_sg;
 	fdev->common.device_terminate_all = fsl_dma_device_terminate_all;
-	fdev->common.dev = &dev->dev;
+	fdev->common.dev = &op->dev;
 
-	fdev->irq = irq_of_parse_and_map(dev->node, 0);
-	if (fdev->irq != NO_IRQ) {
-		err = request_irq(fdev->irq, &fsl_dma_do_interrupt, IRQF_SHARED,
-					"fsldma-device", fdev);
-		if (err) {
-			dev_err(&dev->dev, "DMA device request_irq error "
-				"with return %d\n", err);
-			goto err;
-		}
-	}
-
-	dev_set_drvdata(&(dev->dev), fdev);
+	dev_set_drvdata(&op->dev, fdev);
 
-	/* We cannot use of_platform_bus_probe() because there is no
-	 * of_platform_bus_remove.  Instead, we manually instantiate every DMA
+	/*
+	 * We cannot use of_platform_bus_probe() because there is no
+	 * of_platform_bus_remove(). Instead, we manually instantiate every DMA
 	 * channel object.
 	 */
-	for_each_child_of_node(dev->node, child) {
-		if (of_device_is_compatible(child, "fsl,eloplus-dma-channel"))
+	for_each_child_of_node(op->node, child) {
+		if (of_device_is_compatible(child, "fsl,eloplus-dma-channel")) {
 			fsl_dma_chan_probe(fdev, child,
 				FSL_DMA_IP_85XX | FSL_DMA_BIG_ENDIAN,
 				"fsl,eloplus-dma-channel");
-		if (of_device_is_compatible(child, "fsl,elo-dma-channel"))
+		}
+
+		if (of_device_is_compatible(child, "fsl,elo-dma-channel")) {
 			fsl_dma_chan_probe(fdev, child,
 				FSL_DMA_IP_83XX | FSL_DMA_LITTLE_ENDIAN,
 				"fsl,elo-dma-channel");
+		}
+	}
+
+	/*
+	 * Hookup the IRQ handler(s)
+	 *
+	 * If we have a per-controller interrupt, we prefer that to the
+	 * per-channel interrupts to reduce the number of shared interrupt
+	 * handlers on the same IRQ line
+	 */
+	err = fsldma_request_irqs(fdev);
+	if (err) {
+		dev_err(fdev->dev, "unable to request IRQs\n");
+		goto out_free_fdev;
 	}
 
 	dma_async_device_register(&fdev->common);
 	return 0;
 
-err:
-	iounmap(fdev->reg_base);
-err_no_reg:
+out_free_fdev:
+	irq_dispose_mapping(fdev->irq);
 	kfree(fdev);
+out_return:
 	return err;
 }
 
-static int of_fsl_dma_remove(struct of_device *of_dev)
+static int fsldma_of_remove(struct of_device *op)
 {
-	struct fsl_dma_device *fdev;
+	struct fsldma_device *fdev;
 	unsigned int i;
 
-	fdev = dev_get_drvdata(&of_dev->dev);
-
+	fdev = dev_get_drvdata(&op->dev);
 	dma_async_device_unregister(&fdev->common);
 
-	for (i = 0; i < FSL_DMA_MAX_CHANS_PER_DEVICE; i++)
+	fsldma_free_irqs(fdev);
+
+	for (i = 0; i < FSL_DMA_MAX_CHANS_PER_DEVICE; i++) {
 		if (fdev->chan[i])
 			fsl_dma_chan_remove(fdev->chan[i]);
+	}
 
-	if (fdev->irq != NO_IRQ)
-		free_irq(fdev->irq, fdev);
-
-	iounmap(fdev->reg_base);
-
+	iounmap(fdev->regs);
+	dev_set_drvdata(&op->dev, NULL);
 	kfree(fdev);
-	dev_set_drvdata(&of_dev->dev, NULL);
 
 	return 0;
 }
 
-static struct of_device_id of_fsl_dma_ids[] = {
+static const struct of_device_id fsldma_of_ids[] = {
 	{ .compatible = "fsl,eloplus-dma", },
 	{ .compatible = "fsl,elo-dma", },
 	{}
 };
 
-static struct of_platform_driver of_fsl_dma_driver = {
-	.name = "fsl-elo-dma",
-	.match_table = of_fsl_dma_ids,
-	.probe = of_fsl_dma_probe,
-	.remove = of_fsl_dma_remove,
+static struct of_platform_driver fsldma_of_driver = {
+	.name		= "fsl-elo-dma",
+	.match_table	= fsldma_of_ids,
+	.probe		= fsldma_of_probe,
+	.remove		= fsldma_of_remove,
 };
 
-static __init int of_fsl_dma_init(void)
+/*----------------------------------------------------------------------------*/
+/* Module Init / Exit                                                         */
+/*----------------------------------------------------------------------------*/
+
+static __init int fsldma_init(void)
 {
 	int ret;
 
 	pr_info("Freescale Elo / Elo Plus DMA driver\n");
 
-	ret = of_register_platform_driver(&of_fsl_dma_driver);
+	ret = of_register_platform_driver(&fsldma_of_driver);
 	if (ret)
 		pr_err("fsldma: failed to register platform driver\n");
 
 	return ret;
 }
 
-static void __exit of_fsl_dma_exit(void)
+static void __exit fsldma_exit(void)
 {
-	of_unregister_platform_driver(&of_fsl_dma_driver);
+	of_unregister_platform_driver(&fsldma_of_driver);
 }
 
-subsys_initcall(of_fsl_dma_init);
-module_exit(of_fsl_dma_exit);
+subsys_initcall(fsldma_init);
+module_exit(fsldma_exit);
 
 MODULE_DESCRIPTION("Freescale Elo / Elo Plus DMA driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/dma/fsldma.h b/drivers/dma/fsldma.h
index 0df14cbb8ca3..cb4d6ff51597 100644
--- a/drivers/dma/fsldma.h
+++ b/drivers/dma/fsldma.h
@@ -92,11 +92,9 @@ struct fsl_desc_sw {
 	struct list_head node;
 	struct list_head tx_list;
 	struct dma_async_tx_descriptor async_tx;
-	struct list_head *ld;
-	void *priv;
 } __attribute__((aligned(32)));
 
-struct fsl_dma_chan_regs {
+struct fsldma_chan_regs {
 	u32 mr;	/* 0x00 - Mode Register */
 	u32 sr;	/* 0x04 - Status Register */
 	u64 cdar;	/* 0x08 - Current descriptor address register */
@@ -106,20 +104,19 @@ struct fsl_dma_chan_regs {
 	u64 ndar;	/* 0x24 - Next Descriptor Address Register */
 };
 
-struct fsl_dma_chan;
+struct fsldma_chan;
 #define FSL_DMA_MAX_CHANS_PER_DEVICE 4
 
-struct fsl_dma_device {
-	void __iomem *reg_base;	/* DGSR register base */
-	struct resource reg;	/* Resource for register */
+struct fsldma_device {
+	void __iomem *regs;	/* DGSR register base */
 	struct device *dev;
 	struct dma_device common;
-	struct fsl_dma_chan *chan[FSL_DMA_MAX_CHANS_PER_DEVICE];
+	struct fsldma_chan *chan[FSL_DMA_MAX_CHANS_PER_DEVICE];
 	u32 feature;		/* The same as DMA channels */
 	int irq;		/* Channel IRQ */
 };
 
-/* Define macros for fsl_dma_chan->feature property */
+/* Define macros for fsldma_chan->feature property */
 #define FSL_DMA_LITTLE_ENDIAN	0x00000000
 #define FSL_DMA_BIG_ENDIAN	0x00000001
 
@@ -130,28 +127,28 @@ struct fsl_dma_device {
 #define FSL_DMA_CHAN_PAUSE_EXT	0x00001000
 #define FSL_DMA_CHAN_START_EXT	0x00002000
 
-struct fsl_dma_chan {
-	struct fsl_dma_chan_regs __iomem *reg_base;
+struct fsldma_chan {
+	struct fsldma_chan_regs __iomem *regs;
 	dma_cookie_t completed_cookie;	/* The maximum cookie completed */
 	spinlock_t desc_lock;		/* Descriptor operation lock */
-	struct list_head ld_queue;	/* Link descriptors queue */
+	struct list_head ld_pending;	/* Link descriptors queue */
+	struct list_head ld_running;	/* Link descriptors queue */
 	struct dma_chan common;		/* DMA common channel */
 	struct dma_pool *desc_pool;	/* Descriptors pool */
 	struct device *dev;		/* Channel device */
-	struct resource reg;		/* Resource for register */
 	int irq;			/* Channel IRQ */
 	int id;				/* Raw id of this channel */
 	struct tasklet_struct tasklet;
 	u32 feature;
 
-	void (*toggle_ext_pause)(struct fsl_dma_chan *fsl_chan, int enable);
-	void (*toggle_ext_start)(struct fsl_dma_chan *fsl_chan, int enable);
-	void (*set_src_loop_size)(struct fsl_dma_chan *fsl_chan, int size);
-	void (*set_dest_loop_size)(struct fsl_dma_chan *fsl_chan, int size);
-	void (*set_request_count)(struct fsl_dma_chan *fsl_chan, int size);
+	void (*toggle_ext_pause)(struct fsldma_chan *fsl_chan, int enable);
+	void (*toggle_ext_start)(struct fsldma_chan *fsl_chan, int enable);
+	void (*set_src_loop_size)(struct fsldma_chan *fsl_chan, int size);
+	void (*set_dst_loop_size)(struct fsldma_chan *fsl_chan, int size);
+	void (*set_request_count)(struct fsldma_chan *fsl_chan, int size);
 };
 
-#define to_fsl_chan(chan) container_of(chan, struct fsl_dma_chan, common)
+#define to_fsl_chan(chan) container_of(chan, struct fsldma_chan, common)
 #define to_fsl_desc(lh) container_of(lh, struct fsl_desc_sw, node)
 #define tx_to_fsl_desc(tx) container_of(tx, struct fsl_desc_sw, async_tx)
 
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index dcc4ab78b32b..0099340b9616 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c
@@ -71,7 +71,7 @@ static irqreturn_t ioat_dma_do_interrupt(int irq, void *data)
 	}
 
 	attnstatus = readl(instance->reg_base + IOAT_ATTNSTATUS_OFFSET);
-	for_each_bit(bit, &attnstatus, BITS_PER_LONG) {
+	for_each_set_bit(bit, &attnstatus, BITS_PER_LONG) {
 		chan = ioat_chan_by_index(instance, bit);
 		tasklet_schedule(&chan->cleanup_task);
 	}
@@ -94,16 +94,12 @@ static irqreturn_t ioat_dma_do_interrupt_msix(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
-static void ioat1_cleanup_tasklet(unsigned long data);
-
 /* common channel initialization */
-void ioat_init_channel(struct ioatdma_device *device,
-		       struct ioat_chan_common *chan, int idx,
-		       void (*timer_fn)(unsigned long),
-		       void (*tasklet)(unsigned long),
-		       unsigned long ioat)
+void ioat_init_channel(struct ioatdma_device *device, struct ioat_chan_common *chan, int idx)
 {
 	struct dma_device *dma = &device->common;
+	struct dma_chan *c = &chan->common;
+	unsigned long data = (unsigned long) c;
 
 	chan->device = device;
 	chan->reg_base = device->reg_base + (0x80 * (idx + 1));
@@ -112,14 +108,12 @@ void ioat_init_channel(struct ioatdma_device *device,
 	list_add_tail(&chan->common.device_node, &dma->channels);
 	device->idx[idx] = chan;
 	init_timer(&chan->timer);
-	chan->timer.function = timer_fn;
-	chan->timer.data = ioat;
-	tasklet_init(&chan->cleanup_task, tasklet, ioat);
+	chan->timer.function = device->timer_fn;
+	chan->timer.data = data;
+	tasklet_init(&chan->cleanup_task, device->cleanup_fn, data);
 	tasklet_disable(&chan->cleanup_task);
 }
 
-static void ioat1_timer_event(unsigned long data);
-
 /**
  * ioat1_dma_enumerate_channels - find and initialize the device's channels
  * @device: the device to be enumerated
@@ -155,10 +149,7 @@ static int ioat1_enumerate_channels(struct ioatdma_device *device)
 		if (!ioat)
 			break;
 
-		ioat_init_channel(device, &ioat->base, i,
-				  ioat1_timer_event,
-				  ioat1_cleanup_tasklet,
-				  (unsigned long) ioat);
+		ioat_init_channel(device, &ioat->base, i);
 		ioat->xfercap = xfercap;
 		spin_lock_init(&ioat->desc_lock);
 		INIT_LIST_HEAD(&ioat->free_desc);
@@ -532,12 +523,12 @@ ioat1_dma_prep_memcpy(struct dma_chan *c, dma_addr_t dma_dest,
 	return &desc->txd;
 }
 
-static void ioat1_cleanup_tasklet(unsigned long data)
+static void ioat1_cleanup_event(unsigned long data)
 {
-	struct ioat_dma_chan *chan = (void *)data;
+	struct ioat_dma_chan *ioat = to_ioat_chan((void *) data);
 
-	ioat1_cleanup(chan);
-	writew(IOAT_CHANCTRL_RUN, chan->base.reg_base + IOAT_CHANCTRL_OFFSET);
+	ioat1_cleanup(ioat);
+	writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET);
 }
 
 void ioat_dma_unmap(struct ioat_chan_common *chan, enum dma_ctrl_flags flags,
@@ -687,7 +678,7 @@ static void ioat1_cleanup(struct ioat_dma_chan *ioat)
 
 static void ioat1_timer_event(unsigned long data)
 {
-	struct ioat_dma_chan *ioat = (void *) data;
+	struct ioat_dma_chan *ioat = to_ioat_chan((void *) data);
 	struct ioat_chan_common *chan = &ioat->base;
 
 	dev_dbg(to_dev(chan), "%s: state: %lx\n", __func__, chan->state);
@@ -734,16 +725,17 @@ static void ioat1_timer_event(unsigned long data)
 	spin_unlock_bh(&chan->cleanup_lock);
 }
 
-static enum dma_status
-ioat1_dma_is_complete(struct dma_chan *c, dma_cookie_t cookie,
+enum dma_status
+ioat_is_dma_complete(struct dma_chan *c, dma_cookie_t cookie,
 		      dma_cookie_t *done, dma_cookie_t *used)
 {
-	struct ioat_dma_chan *ioat = to_ioat_chan(c);
+	struct ioat_chan_common *chan = to_chan_common(c);
+	struct ioatdma_device *device = chan->device;
 
 	if (ioat_is_complete(c, cookie, done, used) == DMA_SUCCESS)
 		return DMA_SUCCESS;
 
-	ioat1_cleanup(ioat);
+	device->cleanup_fn((unsigned long) c);
 
 	return ioat_is_complete(c, cookie, done, used);
 }
@@ -1146,7 +1138,7 @@ ioat_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
 	return entry->show(&chan->common, page);
 }
 
-struct sysfs_ops ioat_sysfs_ops = {
+const struct sysfs_ops ioat_sysfs_ops = {
 	.show	= ioat_attr_show,
 };
 
@@ -1199,12 +1191,14 @@ int __devinit ioat1_dma_probe(struct ioatdma_device *device, int dca)
 	device->intr_quirk = ioat1_intr_quirk;
 	device->enumerate_channels = ioat1_enumerate_channels;
 	device->self_test = ioat_dma_self_test;
+	device->timer_fn = ioat1_timer_event;
+	device->cleanup_fn = ioat1_cleanup_event;
 	dma = &device->common;
 	dma->device_prep_dma_memcpy = ioat1_dma_prep_memcpy;
 	dma->device_issue_pending = ioat1_dma_memcpy_issue_pending;
 	dma->device_alloc_chan_resources = ioat1_dma_alloc_chan_resources;
 	dma->device_free_chan_resources = ioat1_dma_free_chan_resources;
-	dma->device_is_tx_complete = ioat1_dma_is_complete;
+	dma->device_is_tx_complete = ioat_is_dma_complete;
 
 	err = ioat_probe(device);
 	if (err)
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index bbc3e78ef333..86b97ac8774e 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -61,7 +61,7 @@
  * @intr_quirk: interrupt setup quirk (for ioat_v1 devices)
  * @enumerate_channels: hw version specific channel enumeration
  * @reset_hw: hw version specific channel (re)initialization
- * @cleanup_tasklet: select between the v2 and v3 cleanup routines
+ * @cleanup_fn: select between the v2 and v3 cleanup routines
  * @timer_fn: select between the v2 and v3 timer watchdog routines
  * @self_test: hardware version specific self test for each supported op type
  *
@@ -80,7 +80,7 @@ struct ioatdma_device {
 	void (*intr_quirk)(struct ioatdma_device *device);
 	int (*enumerate_channels)(struct ioatdma_device *device);
 	int (*reset_hw)(struct ioat_chan_common *chan);
-	void (*cleanup_tasklet)(unsigned long data);
+	void (*cleanup_fn)(unsigned long data);
 	void (*timer_fn)(unsigned long data);
 	int (*self_test)(struct ioatdma_device *device);
 };
@@ -337,17 +337,16 @@ struct dca_provider * __devinit ioat_dca_init(struct pci_dev *pdev,
 					      void __iomem *iobase);
 unsigned long ioat_get_current_completion(struct ioat_chan_common *chan);
 void ioat_init_channel(struct ioatdma_device *device,
-		       struct ioat_chan_common *chan, int idx,
-		       void (*timer_fn)(unsigned long),
-		       void (*tasklet)(unsigned long),
-		       unsigned long ioat);
+		       struct ioat_chan_common *chan, int idx);
+enum dma_status ioat_is_dma_complete(struct dma_chan *c, dma_cookie_t cookie,
+				     dma_cookie_t *done, dma_cookie_t *used);
 void ioat_dma_unmap(struct ioat_chan_common *chan, enum dma_ctrl_flags flags,
 		    size_t len, struct ioat_dma_descriptor *hw);
 bool ioat_cleanup_preamble(struct ioat_chan_common *chan,
 			   unsigned long *phys_complete);
 void ioat_kobject_add(struct ioatdma_device *device, struct kobj_type *type);
 void ioat_kobject_del(struct ioatdma_device *device);
-extern struct sysfs_ops ioat_sysfs_ops;
+extern const struct sysfs_ops ioat_sysfs_ops;
 extern struct ioat_sysfs_entry ioat_version_attr;
 extern struct ioat_sysfs_entry ioat_cap_attr;
 #endif /* IOATDMA_H */
diff --git a/drivers/dma/ioat/dma_v2.c b/drivers/dma/ioat/dma_v2.c
index 5cc37afe2bc1..1ed5d66d7dca 100644
--- a/drivers/dma/ioat/dma_v2.c
+++ b/drivers/dma/ioat/dma_v2.c
@@ -51,48 +51,40 @@ MODULE_PARM_DESC(ioat_ring_max_alloc_order,
 
 void __ioat2_issue_pending(struct ioat2_dma_chan *ioat)
 {
-	void * __iomem reg_base = ioat->base.reg_base;
+	struct ioat_chan_common *chan = &ioat->base;
 
-	ioat->pending = 0;
 	ioat->dmacount += ioat2_ring_pending(ioat);
 	ioat->issued = ioat->head;
 	/* make descriptor updates globally visible before notifying channel */
 	wmb();
-	writew(ioat->dmacount, reg_base + IOAT_CHAN_DMACOUNT_OFFSET);
-	dev_dbg(to_dev(&ioat->base),
+	writew(ioat->dmacount, chan->reg_base + IOAT_CHAN_DMACOUNT_OFFSET);
+	dev_dbg(to_dev(chan),
 		"%s: head: %#x tail: %#x issued: %#x count: %#x\n",
 		__func__, ioat->head, ioat->tail, ioat->issued, ioat->dmacount);
 }
 
-void ioat2_issue_pending(struct dma_chan *chan)
+void ioat2_issue_pending(struct dma_chan *c)
 {
-	struct ioat2_dma_chan *ioat = to_ioat2_chan(chan);
+	struct ioat2_dma_chan *ioat = to_ioat2_chan(c);
 
-	spin_lock_bh(&ioat->ring_lock);
-	if (ioat->pending == 1)
+	if (ioat2_ring_pending(ioat)) {
+		spin_lock_bh(&ioat->ring_lock);
 		__ioat2_issue_pending(ioat);
-	spin_unlock_bh(&ioat->ring_lock);
+		spin_unlock_bh(&ioat->ring_lock);
+	}
 }
 
 /**
  * ioat2_update_pending - log pending descriptors
  * @ioat: ioat2+ channel
  *
- * set pending to '1' unless pending is already set to '2', pending == 2
- * indicates that submission is temporarily blocked due to an in-flight
- * reset.  If we are already above the ioat_pending_level threshold then
- * just issue pending.
- *
- * called with ring_lock held
+ * Check if the number of unsubmitted descriptors has exceeded the
+ * watermark.  Called with ring_lock held
  */
 static void ioat2_update_pending(struct ioat2_dma_chan *ioat)
 {
-	if (unlikely(ioat->pending == 2))
-		return;
-	else if (ioat2_ring_pending(ioat) > ioat_pending_level)
+	if (ioat2_ring_pending(ioat) > ioat_pending_level)
 		__ioat2_issue_pending(ioat);
-	else
-		ioat->pending = 1;
 }
 
 static void __ioat2_start_null_desc(struct ioat2_dma_chan *ioat)
@@ -166,7 +158,7 @@ static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
 			seen_current = true;
 	}
 	ioat->tail += i;
-	BUG_ON(!seen_current); /* no active descs have written a completion? */
+	BUG_ON(active && !seen_current); /* no active descs have written a completion? */
 
 	chan->last_completion = phys_complete;
 	if (ioat->head == ioat->tail) {
@@ -207,9 +199,9 @@ static void ioat2_cleanup(struct ioat2_dma_chan *ioat)
 	spin_unlock_bh(&chan->cleanup_lock);
 }
 
-void ioat2_cleanup_tasklet(unsigned long data)
+void ioat2_cleanup_event(unsigned long data)
 {
-	struct ioat2_dma_chan *ioat = (void *) data;
+	struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data);
 
 	ioat2_cleanup(ioat);
 	writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET);
@@ -291,7 +283,7 @@ static void ioat2_restart_channel(struct ioat2_dma_chan *ioat)
 
 void ioat2_timer_event(unsigned long data)
 {
-	struct ioat2_dma_chan *ioat = (void *) data;
+	struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data);
 	struct ioat_chan_common *chan = &ioat->base;
 
 	spin_lock_bh(&chan->cleanup_lock);
@@ -397,10 +389,7 @@ int ioat2_enumerate_channels(struct ioatdma_device *device)
 		if (!ioat)
 			break;
 
-		ioat_init_channel(device, &ioat->base, i,
-				  device->timer_fn,
-				  device->cleanup_tasklet,
-				  (unsigned long) ioat);
+		ioat_init_channel(device, &ioat->base, i);
 		ioat->xfercap_log = xfercap_log;
 		spin_lock_init(&ioat->ring_lock);
 		if (device->reset_hw(&ioat->base)) {
@@ -546,7 +535,6 @@ int ioat2_alloc_chan_resources(struct dma_chan *c)
 	ioat->head = 0;
 	ioat->issued = 0;
 	ioat->tail = 0;
-	ioat->pending = 0;
 	ioat->alloc_order = order;
 	spin_unlock_bh(&ioat->ring_lock);
 
@@ -701,7 +689,7 @@ int ioat2_alloc_and_lock(u16 *idx, struct ioat2_dma_chan *ioat, int num_descs)
 
 			mod_timer(&chan->timer, jiffies + COMPLETION_TIMEOUT);
 			spin_unlock_bh(&chan->cleanup_lock);
-			device->timer_fn((unsigned long) ioat);
+			device->timer_fn((unsigned long) &chan->common);
 		} else
 			spin_unlock_bh(&chan->cleanup_lock);
 		return -ENOMEM;
@@ -785,7 +773,7 @@ void ioat2_free_chan_resources(struct dma_chan *c)
 
 	tasklet_disable(&chan->cleanup_task);
 	del_timer_sync(&chan->timer);
-	device->cleanup_tasklet((unsigned long) ioat);
+	device->cleanup_fn((unsigned long) c);
 	device->reset_hw(chan);
 
 	spin_lock_bh(&ioat->ring_lock);
@@ -815,25 +803,9 @@ void ioat2_free_chan_resources(struct dma_chan *c)
 
 	chan->last_completion = 0;
 	chan->completion_dma = 0;
-	ioat->pending = 0;
 	ioat->dmacount = 0;
 }
 
-enum dma_status
-ioat2_is_complete(struct dma_chan *c, dma_cookie_t cookie,
-		     dma_cookie_t *done, dma_cookie_t *used)
-{
-	struct ioat2_dma_chan *ioat = to_ioat2_chan(c);
-	struct ioatdma_device *device = ioat->base.device;
-
-	if (ioat_is_complete(c, cookie, done, used) == DMA_SUCCESS)
-		return DMA_SUCCESS;
-
-	device->cleanup_tasklet((unsigned long) ioat);
-
-	return ioat_is_complete(c, cookie, done, used);
-}
-
 static ssize_t ring_size_show(struct dma_chan *c, char *page)
 {
 	struct ioat2_dma_chan *ioat = to_ioat2_chan(c);
@@ -874,7 +846,7 @@ int __devinit ioat2_dma_probe(struct ioatdma_device *device, int dca)
 
 	device->enumerate_channels = ioat2_enumerate_channels;
 	device->reset_hw = ioat2_reset_hw;
-	device->cleanup_tasklet = ioat2_cleanup_tasklet;
+	device->cleanup_fn = ioat2_cleanup_event;
 	device->timer_fn = ioat2_timer_event;
 	device->self_test = ioat_dma_self_test;
 	dma = &device->common;
@@ -882,7 +854,7 @@ int __devinit ioat2_dma_probe(struct ioatdma_device *device, int dca)
 	dma->device_issue_pending = ioat2_issue_pending;
 	dma->device_alloc_chan_resources = ioat2_alloc_chan_resources;
 	dma->device_free_chan_resources = ioat2_free_chan_resources;
-	dma->device_is_tx_complete = ioat2_is_complete;
+	dma->device_is_tx_complete = ioat_is_dma_complete;
 
 	err = ioat_probe(device);
 	if (err)
diff --git a/drivers/dma/ioat/dma_v2.h b/drivers/dma/ioat/dma_v2.h
index 3afad8da43cc..ef2871fd7868 100644
--- a/drivers/dma/ioat/dma_v2.h
+++ b/drivers/dma/ioat/dma_v2.h
@@ -47,7 +47,6 @@ extern int ioat_ring_alloc_order;
  * @head: allocated index
  * @issued: hardware notification point
  * @tail: cleanup index
- * @pending: lock free indicator for issued != head
  * @dmacount: identical to 'head' except for occasionally resetting to zero
  * @alloc_order: log2 of the number of allocated descriptors
  * @ring: software ring buffer implementation of hardware ring
@@ -61,7 +60,6 @@ struct ioat2_dma_chan {
 	u16 tail;
 	u16 dmacount;
 	u16 alloc_order;
-	int pending;
 	struct ioat_ring_ent **ring;
 	spinlock_t ring_lock;
 };
@@ -178,12 +176,10 @@ ioat2_dma_prep_memcpy_lock(struct dma_chan *c, dma_addr_t dma_dest,
 void ioat2_issue_pending(struct dma_chan *chan);
 int ioat2_alloc_chan_resources(struct dma_chan *c);
 void ioat2_free_chan_resources(struct dma_chan *c);
-enum dma_status ioat2_is_complete(struct dma_chan *c, dma_cookie_t cookie,
-				  dma_cookie_t *done, dma_cookie_t *used);
 void __ioat2_restart_chan(struct ioat2_dma_chan *ioat);
 bool reshape_ring(struct ioat2_dma_chan *ioat, int order);
 void __ioat2_issue_pending(struct ioat2_dma_chan *ioat);
-void ioat2_cleanup_tasklet(unsigned long data);
+void ioat2_cleanup_event(unsigned long data);
 void ioat2_timer_event(unsigned long data);
 int ioat2_quiesce(struct ioat_chan_common *chan, unsigned long tmo);
 int ioat2_reset_sync(struct ioat_chan_common *chan, unsigned long tmo);
diff --git a/drivers/dma/ioat/dma_v3.c b/drivers/dma/ioat/dma_v3.c
index 9908c9e94b2d..26febc56dab1 100644
--- a/drivers/dma/ioat/dma_v3.c
+++ b/drivers/dma/ioat/dma_v3.c
@@ -293,17 +293,25 @@ static void __cleanup(struct ioat2_dma_chan *ioat, unsigned long phys_complete)
 		}
 	}
 	ioat->tail += i;
-	BUG_ON(!seen_current); /* no active descs have written a completion? */
+	BUG_ON(active && !seen_current); /* no active descs have written a completion? */
 	chan->last_completion = phys_complete;
-	if (ioat->head == ioat->tail) {
+
+	active = ioat2_ring_active(ioat);
+	if (active == 0) {
 		dev_dbg(to_dev(chan), "%s: cancel completion timeout\n",
 			__func__);
 		clear_bit(IOAT_COMPLETION_PENDING, &chan->state);
 		mod_timer(&chan->timer, jiffies + IDLE_TIMEOUT);
 	}
+	/* 5 microsecond delay per pending descriptor */
+	writew(min((5 * active), IOAT_INTRDELAY_MASK),
+	       chan->device->reg_base + IOAT_INTRDELAY_OFFSET);
 }
 
-static void ioat3_cleanup(struct ioat2_dma_chan *ioat)
+/* try to cleanup, but yield (via spin_trylock) to incoming submissions
+ * with the expectation that we will immediately poll again shortly
+ */
+static void ioat3_cleanup_poll(struct ioat2_dma_chan *ioat)
 {
 	struct ioat_chan_common *chan = &ioat->base;
 	unsigned long phys_complete;
@@ -329,29 +337,41 @@ static void ioat3_cleanup(struct ioat2_dma_chan *ioat)
 	spin_unlock_bh(&chan->cleanup_lock);
 }
 
-static void ioat3_cleanup_tasklet(unsigned long data)
+/* run cleanup now because we already delayed the interrupt via INTRDELAY */
+static void ioat3_cleanup_sync(struct ioat2_dma_chan *ioat)
+{
+	struct ioat_chan_common *chan = &ioat->base;
+	unsigned long phys_complete;
+
+	prefetch(chan->completion);
+
+	spin_lock_bh(&chan->cleanup_lock);
+	if (!ioat_cleanup_preamble(chan, &phys_complete)) {
+		spin_unlock_bh(&chan->cleanup_lock);
+		return;
+	}
+	spin_lock_bh(&ioat->ring_lock);
+
+	__cleanup(ioat, phys_complete);
+
+	spin_unlock_bh(&ioat->ring_lock);
+	spin_unlock_bh(&chan->cleanup_lock);
+}
+
+static void ioat3_cleanup_event(unsigned long data)
 {
-	struct ioat2_dma_chan *ioat = (void *) data;
+	struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data);
 
-	ioat3_cleanup(ioat);
-	writew(IOAT_CHANCTRL_RUN | IOAT3_CHANCTRL_COMPL_DCA_EN,
-	       ioat->base.reg_base + IOAT_CHANCTRL_OFFSET);
+	ioat3_cleanup_sync(ioat);
+	writew(IOAT_CHANCTRL_RUN, ioat->base.reg_base + IOAT_CHANCTRL_OFFSET);
 }
 
 static void ioat3_restart_channel(struct ioat2_dma_chan *ioat)
 {
 	struct ioat_chan_common *chan = &ioat->base;
 	unsigned long phys_complete;
-	u32 status;
-
-	status = ioat_chansts(chan);
-	if (is_ioat_active(status) || is_ioat_idle(status))
-		ioat_suspend(chan);
-	while (is_ioat_active(status) || is_ioat_idle(status)) {
-		status = ioat_chansts(chan);
-		cpu_relax();
-	}
 
+	ioat2_quiesce(chan, 0);
 	if (ioat_cleanup_preamble(chan, &phys_complete))
 		__cleanup(ioat, phys_complete);
 
@@ -360,7 +380,7 @@ static void ioat3_restart_channel(struct ioat2_dma_chan *ioat)
 
 static void ioat3_timer_event(unsigned long data)
 {
-	struct ioat2_dma_chan *ioat = (void *) data;
+	struct ioat2_dma_chan *ioat = to_ioat2_chan((void *) data);
 	struct ioat_chan_common *chan = &ioat->base;
 
 	spin_lock_bh(&chan->cleanup_lock);
@@ -426,7 +446,7 @@ ioat3_is_complete(struct dma_chan *c, dma_cookie_t cookie,
 	if (ioat_is_complete(c, cookie, done, used) == DMA_SUCCESS)
 		return DMA_SUCCESS;
 
-	ioat3_cleanup(ioat);
+	ioat3_cleanup_poll(ioat);
 
 	return ioat_is_complete(c, cookie, done, used);
 }
@@ -1239,11 +1259,11 @@ int __devinit ioat3_dma_probe(struct ioatdma_device *device, int dca)
 
 	if (is_raid_device) {
 		dma->device_is_tx_complete = ioat3_is_complete;
-		device->cleanup_tasklet = ioat3_cleanup_tasklet;
+		device->cleanup_fn = ioat3_cleanup_event;
 		device->timer_fn = ioat3_timer_event;
 	} else {
-		dma->device_is_tx_complete = ioat2_is_complete;
-		device->cleanup_tasklet = ioat2_cleanup_tasklet;
+		dma->device_is_tx_complete = ioat_is_dma_complete;
+		device->cleanup_fn = ioat2_cleanup_event;
 		device->timer_fn = ioat2_timer_event;
 	}
 
diff --git a/drivers/dma/ioat/registers.h b/drivers/dma/ioat/registers.h
index e8ae63baf588..1391798542b6 100644
--- a/drivers/dma/ioat/registers.h
+++ b/drivers/dma/ioat/registers.h
@@ -60,7 +60,7 @@
 #define IOAT_PERPORTOFFSET_OFFSET		0x0A	/* 16-bit */
 
 #define IOAT_INTRDELAY_OFFSET			0x0C	/* 16-bit */
-#define IOAT_INTRDELAY_INT_DELAY_MASK		0x3FFF	/* Interrupt Delay Time */
+#define IOAT_INTRDELAY_MASK			0x3FFF	/* Interrupt Delay Time */
 #define IOAT_INTRDELAY_COALESE_SUPPORT		0x8000	/* Interrupt Coalescing Supported */
 
 #define IOAT_DEVICE_STATUS_OFFSET		0x0E	/* 16-bit */
diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c
index e80bae1673fa..2a446397c884 100644
--- a/drivers/dma/ipu/ipu_idmac.c
+++ b/drivers/dma/ipu/ipu_idmac.c
@@ -348,6 +348,7 @@ static void ipu_ch_param_set_size(union chan_param_mem *params,
 		break;
 	case IPU_PIX_FMT_BGRA32:
 	case IPU_PIX_FMT_BGR32:
+	case IPU_PIX_FMT_ABGR32:
 		params->ip.bpp	= 0;
 		params->ip.pfs	= 4;
 		params->ip.npb	= 7;
@@ -376,20 +377,6 @@ static void ipu_ch_param_set_size(union chan_param_mem *params,
 		params->ip.wid2	= 7;		/* Blue bit width - 1 */
 		params->ip.wid3	= 7;		/* Alpha bit width - 1 */
 		break;
-	case IPU_PIX_FMT_ABGR32:
-		params->ip.bpp	= 0;
-		params->ip.pfs	= 4;
-		params->ip.npb	= 7;
-		params->ip.sat	= 2;		/* SAT = 32-bit access */
-		params->ip.ofs0	= 8;		/* Red bit offset */
-		params->ip.ofs1	= 16;		/* Green bit offset */
-		params->ip.ofs2	= 24;		/* Blue bit offset */
-		params->ip.ofs3	= 0;		/* Alpha bit offset */
-		params->ip.wid0	= 7;		/* Red bit width - 1 */
-		params->ip.wid1	= 7;		/* Green bit width - 1 */
-		params->ip.wid2	= 7;		/* Blue bit width - 1 */
-		params->ip.wid3	= 7;		/* Alpha bit width - 1 */
-		break;
 	case IPU_PIX_FMT_UYVY:
 		params->ip.bpp	= 2;
 		params->ip.pfs	= 6;
diff --git a/drivers/dma/mpc512x_dma.c b/drivers/dma/mpc512x_dma.c
new file mode 100644
index 000000000000..3fdf1f46bd63
--- /dev/null
+++ b/drivers/dma/mpc512x_dma.c
@@ -0,0 +1,800 @@
+/*
+ * Copyright (C) Freescale Semicondutor, Inc. 2007, 2008.
+ * Copyright (C) Semihalf 2009
+ *
+ * Written by Piotr Ziecik <kosmo@semihalf.com>. Hardware description
+ * (defines, structures and comments) was taken from MPC5121 DMA driver
+ * written by Hongjun Chen <hong-jun.chen@freescale.com>.
+ *
+ * Approved as OSADL project by a majority of OSADL members and funded
+ * by OSADL membership fees in 2009;  for details see www.osadl.org.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called COPYING.
+ */
+
+/*
+ * This is initial version of MPC5121 DMA driver. Only memory to memory
+ * transfers are supported (tested using dmatest module).
+ */
+
+#include <linux/module.h>
+#include <linux/dmaengine.h>
+#include <linux/dma-mapping.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
+
+#include <linux/random.h>
+
+/* Number of DMA Transfer descriptors allocated per channel */
+#define MPC_DMA_DESCRIPTORS	64
+
+/* Macro definitions */
+#define MPC_DMA_CHANNELS	64
+#define MPC_DMA_TCD_OFFSET	0x1000
+
+/* Arbitration mode of group and channel */
+#define MPC_DMA_DMACR_EDCG	(1 << 31)
+#define MPC_DMA_DMACR_ERGA	(1 << 3)
+#define MPC_DMA_DMACR_ERCA	(1 << 2)
+
+/* Error codes */
+#define MPC_DMA_DMAES_VLD	(1 << 31)
+#define MPC_DMA_DMAES_GPE	(1 << 15)
+#define MPC_DMA_DMAES_CPE	(1 << 14)
+#define MPC_DMA_DMAES_ERRCHN(err) \
+				(((err) >> 8) & 0x3f)
+#define MPC_DMA_DMAES_SAE	(1 << 7)
+#define MPC_DMA_DMAES_SOE	(1 << 6)
+#define MPC_DMA_DMAES_DAE	(1 << 5)
+#define MPC_DMA_DMAES_DOE	(1 << 4)
+#define MPC_DMA_DMAES_NCE	(1 << 3)
+#define MPC_DMA_DMAES_SGE	(1 << 2)
+#define MPC_DMA_DMAES_SBE	(1 << 1)
+#define MPC_DMA_DMAES_DBE	(1 << 0)
+
+#define MPC_DMA_TSIZE_1		0x00
+#define MPC_DMA_TSIZE_2		0x01
+#define MPC_DMA_TSIZE_4		0x02
+#define MPC_DMA_TSIZE_16	0x04
+#define MPC_DMA_TSIZE_32	0x05
+
+/* MPC5121 DMA engine registers */
+struct __attribute__ ((__packed__)) mpc_dma_regs {
+	/* 0x00 */
+	u32 dmacr;		/* DMA control register */
+	u32 dmaes;		/* DMA error status */
+	/* 0x08 */
+	u32 dmaerqh;		/* DMA enable request high(channels 63~32) */
+	u32 dmaerql;		/* DMA enable request low(channels 31~0) */
+	u32 dmaeeih;		/* DMA enable error interrupt high(ch63~32) */
+	u32 dmaeeil;		/* DMA enable error interrupt low(ch31~0) */
+	/* 0x18 */
+	u8 dmaserq;		/* DMA set enable request */
+	u8 dmacerq;		/* DMA clear enable request */
+	u8 dmaseei;		/* DMA set enable error interrupt */
+	u8 dmaceei;		/* DMA clear enable error interrupt */
+	/* 0x1c */
+	u8 dmacint;		/* DMA clear interrupt request */
+	u8 dmacerr;		/* DMA clear error */
+	u8 dmassrt;		/* DMA set start bit */
+	u8 dmacdne;		/* DMA clear DONE status bit */
+	/* 0x20 */
+	u32 dmainth;		/* DMA interrupt request high(ch63~32) */
+	u32 dmaintl;		/* DMA interrupt request low(ch31~0) */
+	u32 dmaerrh;		/* DMA error high(ch63~32) */
+	u32 dmaerrl;		/* DMA error low(ch31~0) */
+	/* 0x30 */
+	u32 dmahrsh;		/* DMA hw request status high(ch63~32) */
+	u32 dmahrsl;		/* DMA hardware request status low(ch31~0) */
+	u32 dmaihsa;		/* DMA interrupt high select AXE(ch63~32) */
+	u32 dmailsa;		/* DMA interrupt low select AXE(ch31~0) */
+	/* 0x40 ~ 0xff */
+	u32 reserve0[48];	/* Reserved */
+	/* 0x100 */
+	u8 dchpri[MPC_DMA_CHANNELS];
+	/* DMA channels(0~63) priority */
+};
+
+struct __attribute__ ((__packed__)) mpc_dma_tcd {
+	/* 0x00 */
+	u32 saddr;		/* Source address */
+
+	u32 smod:5;		/* Source address modulo */
+	u32 ssize:3;		/* Source data transfer size */
+	u32 dmod:5;		/* Destination address modulo */
+	u32 dsize:3;		/* Destination data transfer size */
+	u32 soff:16;		/* Signed source address offset */
+
+	/* 0x08 */
+	u32 nbytes;		/* Inner "minor" byte count */
+	u32 slast;		/* Last source address adjustment */
+	u32 daddr;		/* Destination address */
+
+	/* 0x14 */
+	u32 citer_elink:1;	/* Enable channel-to-channel linking on
+				 * minor loop complete
+				 */
+	u32 citer_linkch:6;	/* Link channel for minor loop complete */
+	u32 citer:9;		/* Current "major" iteration count */
+	u32 doff:16;		/* Signed destination address offset */
+
+	/* 0x18 */
+	u32 dlast_sga;		/* Last Destination address adjustment/scatter
+				 * gather address
+				 */
+
+	/* 0x1c */
+	u32 biter_elink:1;	/* Enable channel-to-channel linking on major
+				 * loop complete
+				 */
+	u32 biter_linkch:6;
+	u32 biter:9;		/* Beginning "major" iteration count */
+	u32 bwc:2;		/* Bandwidth control */
+	u32 major_linkch:6;	/* Link channel number */
+	u32 done:1;		/* Channel done */
+	u32 active:1;		/* Channel active */
+	u32 major_elink:1;	/* Enable channel-to-channel linking on major
+				 * loop complete
+				 */
+	u32 e_sg:1;		/* Enable scatter/gather processing */
+	u32 d_req:1;		/* Disable request */
+	u32 int_half:1;		/* Enable an interrupt when major counter is
+				 * half complete
+				 */
+	u32 int_maj:1;		/* Enable an interrupt when major iteration
+				 * count completes
+				 */
+	u32 start:1;		/* Channel start */
+};
+
+struct mpc_dma_desc {
+	struct dma_async_tx_descriptor	desc;
+	struct mpc_dma_tcd		*tcd;
+	dma_addr_t			tcd_paddr;
+	int				error;
+	struct list_head		node;
+};
+
+struct mpc_dma_chan {
+	struct dma_chan			chan;
+	struct list_head		free;
+	struct list_head		prepared;
+	struct list_head		queued;
+	struct list_head		active;
+	struct list_head		completed;
+	struct mpc_dma_tcd		*tcd;
+	dma_addr_t			tcd_paddr;
+	dma_cookie_t			completed_cookie;
+
+	/* Lock for this structure */
+	spinlock_t			lock;
+};
+
+struct mpc_dma {
+	struct dma_device		dma;
+	struct tasklet_struct		tasklet;
+	struct mpc_dma_chan		channels[MPC_DMA_CHANNELS];
+	struct mpc_dma_regs __iomem	*regs;
+	struct mpc_dma_tcd __iomem	*tcd;
+	int				irq;
+	uint				error_status;
+
+	/* Lock for error_status field in this structure */
+	spinlock_t			error_status_lock;
+};
+
+#define DRV_NAME	"mpc512x_dma"
+
+/* Convert struct dma_chan to struct mpc_dma_chan */
+static inline struct mpc_dma_chan *dma_chan_to_mpc_dma_chan(struct dma_chan *c)
+{
+	return container_of(c, struct mpc_dma_chan, chan);
+}
+
+/* Convert struct dma_chan to struct mpc_dma */
+static inline struct mpc_dma *dma_chan_to_mpc_dma(struct dma_chan *c)
+{
+	struct mpc_dma_chan *mchan = dma_chan_to_mpc_dma_chan(c);
+	return container_of(mchan, struct mpc_dma, channels[c->chan_id]);
+}
+
+/*
+ * Execute all queued DMA descriptors.
+ *
+ * Following requirements must be met while calling mpc_dma_execute():
+ * 	a) mchan->lock is acquired,
+ * 	b) mchan->active list is empty,
+ * 	c) mchan->queued list contains at least one entry.
+ */
+static void mpc_dma_execute(struct mpc_dma_chan *mchan)
+{
+	struct mpc_dma *mdma = dma_chan_to_mpc_dma(&mchan->chan);
+	struct mpc_dma_desc *first = NULL;
+	struct mpc_dma_desc *prev = NULL;
+	struct mpc_dma_desc *mdesc;
+	int cid = mchan->chan.chan_id;
+
+	/* Move all queued descriptors to active list */
+	list_splice_tail_init(&mchan->queued, &mchan->active);
+
+	/* Chain descriptors into one transaction */
+	list_for_each_entry(mdesc, &mchan->active, node) {
+		if (!first)
+			first = mdesc;
+
+		if (!prev) {
+			prev = mdesc;
+			continue;
+		}
+
+		prev->tcd->dlast_sga = mdesc->tcd_paddr;
+		prev->tcd->e_sg = 1;
+		mdesc->tcd->start = 1;
+
+		prev = mdesc;
+	}
+
+	prev->tcd->start = 0;
+	prev->tcd->int_maj = 1;
+
+	/* Send first descriptor in chain into hardware */
+	memcpy_toio(&mdma->tcd[cid], first->tcd, sizeof(struct mpc_dma_tcd));
+	out_8(&mdma->regs->dmassrt, cid);
+}
+
+/* Handle interrupt on one half of DMA controller (32 channels) */
+static void mpc_dma_irq_process(struct mpc_dma *mdma, u32 is, u32 es, int off)
+{
+	struct mpc_dma_chan *mchan;
+	struct mpc_dma_desc *mdesc;
+	u32 status = is | es;
+	int ch;
+
+	while ((ch = fls(status) - 1) >= 0) {
+		status &= ~(1 << ch);
+		mchan = &mdma->channels[ch + off];
+
+		spin_lock(&mchan->lock);
+
+		/* Check error status */
+		if (es & (1 << ch))
+			list_for_each_entry(mdesc, &mchan->active, node)
+				mdesc->error = -EIO;
+
+		/* Execute queued descriptors */
+		list_splice_tail_init(&mchan->active, &mchan->completed);
+		if (!list_empty(&mchan->queued))
+			mpc_dma_execute(mchan);
+
+		spin_unlock(&mchan->lock);
+	}
+}
+
+/* Interrupt handler */
+static irqreturn_t mpc_dma_irq(int irq, void *data)
+{
+	struct mpc_dma *mdma = data;
+	uint es;
+
+	/* Save error status register */
+	es = in_be32(&mdma->regs->dmaes);
+	spin_lock(&mdma->error_status_lock);
+	if ((es & MPC_DMA_DMAES_VLD) && mdma->error_status == 0)
+		mdma->error_status = es;
+	spin_unlock(&mdma->error_status_lock);
+
+	/* Handle interrupt on each channel */
+	mpc_dma_irq_process(mdma, in_be32(&mdma->regs->dmainth),
+					in_be32(&mdma->regs->dmaerrh), 32);
+	mpc_dma_irq_process(mdma, in_be32(&mdma->regs->dmaintl),
+					in_be32(&mdma->regs->dmaerrl), 0);
+
+	/* Ack interrupt on all channels */
+	out_be32(&mdma->regs->dmainth, 0xFFFFFFFF);
+	out_be32(&mdma->regs->dmaintl, 0xFFFFFFFF);
+	out_be32(&mdma->regs->dmaerrh, 0xFFFFFFFF);
+	out_be32(&mdma->regs->dmaerrl, 0xFFFFFFFF);
+
+	/* Schedule tasklet */
+	tasklet_schedule(&mdma->tasklet);
+
+	return IRQ_HANDLED;
+}
+
+/* DMA Tasklet */
+static void mpc_dma_tasklet(unsigned long data)
+{
+	struct mpc_dma *mdma = (void *)data;
+	dma_cookie_t last_cookie = 0;
+	struct mpc_dma_chan *mchan;
+	struct mpc_dma_desc *mdesc;
+	struct dma_async_tx_descriptor *desc;
+	unsigned long flags;
+	LIST_HEAD(list);
+	uint es;
+	int i;
+
+	spin_lock_irqsave(&mdma->error_status_lock, flags);
+	es = mdma->error_status;
+	mdma->error_status = 0;
+	spin_unlock_irqrestore(&mdma->error_status_lock, flags);
+
+	/* Print nice error report */
+	if (es) {
+		dev_err(mdma->dma.dev,
+			"Hardware reported following error(s) on channel %u:\n",
+						      MPC_DMA_DMAES_ERRCHN(es));
+
+		if (es & MPC_DMA_DMAES_GPE)
+			dev_err(mdma->dma.dev, "- Group Priority Error\n");
+		if (es & MPC_DMA_DMAES_CPE)
+			dev_err(mdma->dma.dev, "- Channel Priority Error\n");
+		if (es & MPC_DMA_DMAES_SAE)
+			dev_err(mdma->dma.dev, "- Source Address Error\n");
+		if (es & MPC_DMA_DMAES_SOE)
+			dev_err(mdma->dma.dev, "- Source Offset"
+						" Configuration Error\n");
+		if (es & MPC_DMA_DMAES_DAE)
+			dev_err(mdma->dma.dev, "- Destination Address"
+								" Error\n");
+		if (es & MPC_DMA_DMAES_DOE)
+			dev_err(mdma->dma.dev, "- Destination Offset"
+						" Configuration Error\n");
+		if (es & MPC_DMA_DMAES_NCE)
+			dev_err(mdma->dma.dev, "- NBytes/Citter"
+						" Configuration Error\n");
+		if (es & MPC_DMA_DMAES_SGE)
+			dev_err(mdma->dma.dev, "- Scatter/Gather"
+						" Configuration Error\n");
+		if (es & MPC_DMA_DMAES_SBE)
+			dev_err(mdma->dma.dev, "- Source Bus Error\n");
+		if (es & MPC_DMA_DMAES_DBE)
+			dev_err(mdma->dma.dev, "- Destination Bus Error\n");
+	}
+
+	for (i = 0; i < mdma->dma.chancnt; i++) {
+		mchan = &mdma->channels[i];
+
+		/* Get all completed descriptors */
+		spin_lock_irqsave(&mchan->lock, flags);
+		if (!list_empty(&mchan->completed))
+			list_splice_tail_init(&mchan->completed, &list);
+		spin_unlock_irqrestore(&mchan->lock, flags);
+
+		if (list_empty(&list))
+			continue;
+
+		/* Execute callbacks and run dependencies */
+		list_for_each_entry(mdesc, &list, node) {
+			desc = &mdesc->desc;
+
+			if (desc->callback)
+				desc->callback(desc->callback_param);
+
+			last_cookie = desc->cookie;
+			dma_run_dependencies(desc);
+		}
+
+		/* Free descriptors */
+		spin_lock_irqsave(&mchan->lock, flags);
+		list_splice_tail_init(&list, &mchan->free);
+		mchan->completed_cookie = last_cookie;
+		spin_unlock_irqrestore(&mchan->lock, flags);
+	}
+}
+
+/* Submit descriptor to hardware */
+static dma_cookie_t mpc_dma_tx_submit(struct dma_async_tx_descriptor *txd)
+{
+	struct mpc_dma_chan *mchan = dma_chan_to_mpc_dma_chan(txd->chan);
+	struct mpc_dma_desc *mdesc;
+	unsigned long flags;
+	dma_cookie_t cookie;
+
+	mdesc = container_of(txd, struct mpc_dma_desc, desc);
+
+	spin_lock_irqsave(&mchan->lock, flags);
+
+	/* Move descriptor to queue */
+	list_move_tail(&mdesc->node, &mchan->queued);
+
+	/* If channel is idle, execute all queued descriptors */
+	if (list_empty(&mchan->active))
+		mpc_dma_execute(mchan);
+
+	/* Update cookie */
+	cookie = mchan->chan.cookie + 1;
+	if (cookie <= 0)
+		cookie = 1;
+
+	mchan->chan.cookie = cookie;
+	mdesc->desc.cookie = cookie;
+
+	spin_unlock_irqrestore(&mchan->lock, flags);
+
+	return cookie;
+}
+
+/* Alloc channel resources */
+static int mpc_dma_alloc_chan_resources(struct dma_chan *chan)
+{
+	struct mpc_dma *mdma = dma_chan_to_mpc_dma(chan);
+	struct mpc_dma_chan *mchan = dma_chan_to_mpc_dma_chan(chan);
+	struct mpc_dma_desc *mdesc;
+	struct mpc_dma_tcd *tcd;
+	dma_addr_t tcd_paddr;
+	unsigned long flags;
+	LIST_HEAD(descs);
+	int i;
+
+	/* Alloc DMA memory for Transfer Control Descriptors */
+	tcd = dma_alloc_coherent(mdma->dma.dev,
+			MPC_DMA_DESCRIPTORS * sizeof(struct mpc_dma_tcd),
+							&tcd_paddr, GFP_KERNEL);
+	if (!tcd)
+		return -ENOMEM;
+
+	/* Alloc descriptors for this channel */
+	for (i = 0; i < MPC_DMA_DESCRIPTORS; i++) {
+		mdesc = kzalloc(sizeof(struct mpc_dma_desc), GFP_KERNEL);
+		if (!mdesc) {
+			dev_notice(mdma->dma.dev, "Memory allocation error. "
+					"Allocated only %u descriptors\n", i);
+			break;
+		}
+
+		dma_async_tx_descriptor_init(&mdesc->desc, chan);
+		mdesc->desc.flags = DMA_CTRL_ACK;
+		mdesc->desc.tx_submit = mpc_dma_tx_submit;
+
+		mdesc->tcd = &tcd[i];
+		mdesc->tcd_paddr = tcd_paddr + (i * sizeof(struct mpc_dma_tcd));
+
+		list_add_tail(&mdesc->node, &descs);
+	}
+
+	/* Return error only if no descriptors were allocated */
+	if (i == 0) {
+		dma_free_coherent(mdma->dma.dev,
+			MPC_DMA_DESCRIPTORS * sizeof(struct mpc_dma_tcd),
+								tcd, tcd_paddr);
+		return -ENOMEM;
+	}
+
+	spin_lock_irqsave(&mchan->lock, flags);
+	mchan->tcd = tcd;
+	mchan->tcd_paddr = tcd_paddr;
+	list_splice_tail_init(&descs, &mchan->free);
+	spin_unlock_irqrestore(&mchan->lock, flags);
+
+	/* Enable Error Interrupt */
+	out_8(&mdma->regs->dmaseei, chan->chan_id);
+
+	return 0;
+}
+
+/* Free channel resources */
+static void mpc_dma_free_chan_resources(struct dma_chan *chan)
+{
+	struct mpc_dma *mdma = dma_chan_to_mpc_dma(chan);
+	struct mpc_dma_chan *mchan = dma_chan_to_mpc_dma_chan(chan);
+	struct mpc_dma_desc *mdesc, *tmp;
+	struct mpc_dma_tcd *tcd;
+	dma_addr_t tcd_paddr;
+	unsigned long flags;
+	LIST_HEAD(descs);
+
+	spin_lock_irqsave(&mchan->lock, flags);
+
+	/* Channel must be idle */
+	BUG_ON(!list_empty(&mchan->prepared));
+	BUG_ON(!list_empty(&mchan->queued));
+	BUG_ON(!list_empty(&mchan->active));
+	BUG_ON(!list_empty(&mchan->completed));
+
+	/* Move data */
+	list_splice_tail_init(&mchan->free, &descs);
+	tcd = mchan->tcd;
+	tcd_paddr = mchan->tcd_paddr;
+
+	spin_unlock_irqrestore(&mchan->lock, flags);
+
+	/* Free DMA memory used by descriptors */
+	dma_free_coherent(mdma->dma.dev,
+			MPC_DMA_DESCRIPTORS * sizeof(struct mpc_dma_tcd),
+								tcd, tcd_paddr);
+
+	/* Free descriptors */
+	list_for_each_entry_safe(mdesc, tmp, &descs, node)
+		kfree(mdesc);
+
+	/* Disable Error Interrupt */
+	out_8(&mdma->regs->dmaceei, chan->chan_id);
+}
+
+/* Send all pending descriptor to hardware */
+static void mpc_dma_issue_pending(struct dma_chan *chan)
+{
+	/*
+	 * We are posting descriptors to the hardware as soon as
+	 * they are ready, so this function does nothing.
+	 */
+}
+
+/* Check request completion status */
+static enum dma_status
+mpc_dma_is_tx_complete(struct dma_chan *chan, dma_cookie_t cookie,
+					dma_cookie_t *done, dma_cookie_t *used)
+{
+	struct mpc_dma_chan *mchan = dma_chan_to_mpc_dma_chan(chan);
+	unsigned long flags;
+	dma_cookie_t last_used;
+	dma_cookie_t last_complete;
+
+	spin_lock_irqsave(&mchan->lock, flags);
+	last_used = mchan->chan.cookie;
+	last_complete = mchan->completed_cookie;
+	spin_unlock_irqrestore(&mchan->lock, flags);
+
+	if (done)
+		*done = last_complete;
+
+	if (used)
+		*used = last_used;
+
+	return dma_async_is_complete(cookie, last_complete, last_used);
+}
+
+/* Prepare descriptor for memory to memory copy */
+static struct dma_async_tx_descriptor *
+mpc_dma_prep_memcpy(struct dma_chan *chan, dma_addr_t dst, dma_addr_t src,
+					size_t len, unsigned long flags)
+{
+	struct mpc_dma_chan *mchan = dma_chan_to_mpc_dma_chan(chan);
+	struct mpc_dma_desc *mdesc = NULL;
+	struct mpc_dma_tcd *tcd;
+	unsigned long iflags;
+
+	/* Get free descriptor */
+	spin_lock_irqsave(&mchan->lock, iflags);
+	if (!list_empty(&mchan->free)) {
+		mdesc = list_first_entry(&mchan->free, struct mpc_dma_desc,
+									node);
+		list_del(&mdesc->node);
+	}
+	spin_unlock_irqrestore(&mchan->lock, iflags);
+
+	if (!mdesc)
+		return NULL;
+
+	mdesc->error = 0;
+	tcd = mdesc->tcd;
+
+	/* Prepare Transfer Control Descriptor for this transaction */
+	memset(tcd, 0, sizeof(struct mpc_dma_tcd));
+
+	if (IS_ALIGNED(src | dst | len, 32)) {
+		tcd->ssize = MPC_DMA_TSIZE_32;
+		tcd->dsize = MPC_DMA_TSIZE_32;
+		tcd->soff = 32;
+		tcd->doff = 32;
+	} else if (IS_ALIGNED(src | dst | len, 16)) {
+		tcd->ssize = MPC_DMA_TSIZE_16;
+		tcd->dsize = MPC_DMA_TSIZE_16;
+		tcd->soff = 16;
+		tcd->doff = 16;
+	} else if (IS_ALIGNED(src | dst | len, 4)) {
+		tcd->ssize = MPC_DMA_TSIZE_4;
+		tcd->dsize = MPC_DMA_TSIZE_4;
+		tcd->soff = 4;
+		tcd->doff = 4;
+	} else if (IS_ALIGNED(src | dst | len, 2)) {
+		tcd->ssize = MPC_DMA_TSIZE_2;
+		tcd->dsize = MPC_DMA_TSIZE_2;
+		tcd->soff = 2;
+		tcd->doff = 2;
+	} else {
+		tcd->ssize = MPC_DMA_TSIZE_1;
+		tcd->dsize = MPC_DMA_TSIZE_1;
+		tcd->soff = 1;
+		tcd->doff = 1;
+	}
+
+	tcd->saddr = src;
+	tcd->daddr = dst;
+	tcd->nbytes = len;
+	tcd->biter = 1;
+	tcd->citer = 1;
+
+	/* Place descriptor in prepared list */
+	spin_lock_irqsave(&mchan->lock, iflags);
+	list_add_tail(&mdesc->node, &mchan->prepared);
+	spin_unlock_irqrestore(&mchan->lock, iflags);
+
+	return &mdesc->desc;
+}
+
+static int __devinit mpc_dma_probe(struct of_device *op,
+					const struct of_device_id *match)
+{
+	struct device_node *dn = op->node;
+	struct device *dev = &op->dev;
+	struct dma_device *dma;
+	struct mpc_dma *mdma;
+	struct mpc_dma_chan *mchan;
+	struct resource res;
+	ulong regs_start, regs_size;
+	int retval, i;
+
+	mdma = devm_kzalloc(dev, sizeof(struct mpc_dma), GFP_KERNEL);
+	if (!mdma) {
+		dev_err(dev, "Memory exhausted!\n");
+		return -ENOMEM;
+	}
+
+	mdma->irq = irq_of_parse_and_map(dn, 0);
+	if (mdma->irq == NO_IRQ) {
+		dev_err(dev, "Error mapping IRQ!\n");
+		return -EINVAL;
+	}
+
+	retval = of_address_to_resource(dn, 0, &res);
+	if (retval) {
+		dev_err(dev, "Error parsing memory region!\n");
+		return retval;
+	}
+
+	regs_start = res.start;
+	regs_size = res.end - res.start + 1;
+
+	if (!devm_request_mem_region(dev, regs_start, regs_size, DRV_NAME)) {
+		dev_err(dev, "Error requesting memory region!\n");
+		return -EBUSY;
+	}
+
+	mdma->regs = devm_ioremap(dev, regs_start, regs_size);
+	if (!mdma->regs) {
+		dev_err(dev, "Error mapping memory region!\n");
+		return -ENOMEM;
+	}
+
+	mdma->tcd = (struct mpc_dma_tcd *)((u8 *)(mdma->regs)
+							+ MPC_DMA_TCD_OFFSET);
+
+	retval = devm_request_irq(dev, mdma->irq, &mpc_dma_irq, 0, DRV_NAME,
+									mdma);
+	if (retval) {
+		dev_err(dev, "Error requesting IRQ!\n");
+		return -EINVAL;
+	}
+
+	spin_lock_init(&mdma->error_status_lock);
+
+	dma = &mdma->dma;
+	dma->dev = dev;
+	dma->chancnt = MPC_DMA_CHANNELS;
+	dma->device_alloc_chan_resources = mpc_dma_alloc_chan_resources;
+	dma->device_free_chan_resources = mpc_dma_free_chan_resources;
+	dma->device_issue_pending = mpc_dma_issue_pending;
+	dma->device_is_tx_complete = mpc_dma_is_tx_complete;
+	dma->device_prep_dma_memcpy = mpc_dma_prep_memcpy;
+
+	INIT_LIST_HEAD(&dma->channels);
+	dma_cap_set(DMA_MEMCPY, dma->cap_mask);
+
+	for (i = 0; i < dma->chancnt; i++) {
+		mchan = &mdma->channels[i];
+
+		mchan->chan.device = dma;
+		mchan->chan.chan_id = i;
+		mchan->chan.cookie = 1;
+		mchan->completed_cookie = mchan->chan.cookie;
+
+		INIT_LIST_HEAD(&mchan->free);
+		INIT_LIST_HEAD(&mchan->prepared);
+		INIT_LIST_HEAD(&mchan->queued);
+		INIT_LIST_HEAD(&mchan->active);
+		INIT_LIST_HEAD(&mchan->completed);
+
+		spin_lock_init(&mchan->lock);
+		list_add_tail(&mchan->chan.device_node, &dma->channels);
+	}
+
+	tasklet_init(&mdma->tasklet, mpc_dma_tasklet, (unsigned long)mdma);
+
+	/*
+	 * Configure DMA Engine:
+	 * - Dynamic clock,
+	 * - Round-robin group arbitration,
+	 * - Round-robin channel arbitration.
+	 */
+	out_be32(&mdma->regs->dmacr, MPC_DMA_DMACR_EDCG |
+				MPC_DMA_DMACR_ERGA | MPC_DMA_DMACR_ERCA);
+
+	/* Disable hardware DMA requests */
+	out_be32(&mdma->regs->dmaerqh, 0);
+	out_be32(&mdma->regs->dmaerql, 0);
+
+	/* Disable error interrupts */
+	out_be32(&mdma->regs->dmaeeih, 0);
+	out_be32(&mdma->regs->dmaeeil, 0);
+
+	/* Clear interrupts status */
+	out_be32(&mdma->regs->dmainth, 0xFFFFFFFF);
+	out_be32(&mdma->regs->dmaintl, 0xFFFFFFFF);
+	out_be32(&mdma->regs->dmaerrh, 0xFFFFFFFF);
+	out_be32(&mdma->regs->dmaerrl, 0xFFFFFFFF);
+
+	/* Route interrupts to IPIC */
+	out_be32(&mdma->regs->dmaihsa, 0);
+	out_be32(&mdma->regs->dmailsa, 0);
+
+	/* Register DMA engine */
+	dev_set_drvdata(dev, mdma);
+	retval = dma_async_device_register(dma);
+	if (retval) {
+		devm_free_irq(dev, mdma->irq, mdma);
+		irq_dispose_mapping(mdma->irq);
+	}
+
+	return retval;
+}
+
+static int __devexit mpc_dma_remove(struct of_device *op)
+{
+	struct device *dev = &op->dev;
+	struct mpc_dma *mdma = dev_get_drvdata(dev);
+
+	dma_async_device_unregister(&mdma->dma);
+	devm_free_irq(dev, mdma->irq, mdma);
+	irq_dispose_mapping(mdma->irq);
+
+	return 0;
+}
+
+static struct of_device_id mpc_dma_match[] = {
+	{ .compatible = "fsl,mpc5121-dma", },
+	{},
+};
+
+static struct of_platform_driver mpc_dma_driver = {
+	.match_table	= mpc_dma_match,
+	.probe		= mpc_dma_probe,
+	.remove		= __devexit_p(mpc_dma_remove),
+	.driver		= {
+		.name	= DRV_NAME,
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init mpc_dma_init(void)
+{
+	return of_register_platform_driver(&mpc_dma_driver);
+}
+module_init(mpc_dma_init);
+
+static void __exit mpc_dma_exit(void)
+{
+	of_unregister_platform_driver(&mpc_dma_driver);
+}
+module_exit(mpc_dma_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Piotr Ziecik <kosmo@semihalf.com>");
diff --git a/drivers/dma/ppc4xx/adma.c b/drivers/dma/ppc4xx/adma.c
index 0a3478e910f0..e69d87f24a25 100644
--- a/drivers/dma/ppc4xx/adma.c
+++ b/drivers/dma/ppc4xx/adma.c
@@ -4940,7 +4940,7 @@ out_free:
 	return ret;
 }
 
-static struct of_device_id __devinitdata ppc440spe_adma_of_match[] = {
+static const struct of_device_id ppc440spe_adma_of_match[] __devinitconst = {
 	{ .compatible	= "ibm,dma-440spe", },
 	{ .compatible	= "amcc,xor-accelerator", },
 	{},
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index b75ce8b84c46..5d17e09cb625 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -24,8 +24,10 @@
 #include <linux/delay.h>
 #include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
-#include <cpu/dma.h>
-#include <asm/dma-sh.h>
+#include <linux/pm_runtime.h>
+
+#include <asm/dmaengine.h>
+
 #include "shdma.h"
 
 /* DMA descriptor control */
@@ -38,30 +40,32 @@ enum sh_dmae_desc_status {
 };
 
 #define NR_DESCS_PER_CHANNEL 32
-/*
- * Define the default configuration for dual address memory-memory transfer.
- * The 0x400 value represents auto-request, external->external.
- *
- * And this driver set 4byte burst mode.
- * If you want to change mode, you need to change RS_DEFAULT of value.
- * (ex 1byte burst mode -> (RS_DUAL & ~TS_32)
- */
-#define RS_DEFAULT  (RS_DUAL)
+/* Default MEMCPY transfer size = 2^2 = 4 bytes */
+#define LOG2_DEFAULT_XFER_SIZE	2
 
 /* A bitmask with bits enough for enum sh_dmae_slave_chan_id */
 static unsigned long sh_dmae_slave_used[BITS_TO_LONGS(SHDMA_SLAVE_NUMBER)];
 
 static void sh_dmae_chan_ld_cleanup(struct sh_dmae_chan *sh_chan, bool all);
 
-#define SH_DMAC_CHAN_BASE(id) (dma_base_addr[id])
 static void sh_dmae_writel(struct sh_dmae_chan *sh_dc, u32 data, u32 reg)
 {
-	ctrl_outl(data, SH_DMAC_CHAN_BASE(sh_dc->id) + reg);
+	__raw_writel(data, sh_dc->base + reg / sizeof(u32));
 }
 
 static u32 sh_dmae_readl(struct sh_dmae_chan *sh_dc, u32 reg)
 {
-	return ctrl_inl(SH_DMAC_CHAN_BASE(sh_dc->id) + reg);
+	return __raw_readl(sh_dc->base + reg / sizeof(u32));
+}
+
+static u16 dmaor_read(struct sh_dmae_device *shdev)
+{
+	return __raw_readw(shdev->chan_reg + DMAOR / sizeof(u32));
+}
+
+static void dmaor_write(struct sh_dmae_device *shdev, u16 data)
+{
+	__raw_writew(data, shdev->chan_reg + DMAOR / sizeof(u32));
 }
 
 /*
@@ -69,24 +73,23 @@ static u32 sh_dmae_readl(struct sh_dmae_chan *sh_dc, u32 reg)
  *
  * SH7780 has two DMAOR register
  */
-static void sh_dmae_ctl_stop(int id)
+static void sh_dmae_ctl_stop(struct sh_dmae_device *shdev)
 {
-	unsigned short dmaor = dmaor_read_reg(id);
+	unsigned short dmaor = dmaor_read(shdev);
 
-	dmaor &= ~(DMAOR_NMIF | DMAOR_AE);
-	dmaor_write_reg(id, dmaor);
+	dmaor_write(shdev, dmaor & ~(DMAOR_NMIF | DMAOR_AE | DMAOR_DME));
 }
 
-static int sh_dmae_rst(int id)
+static int sh_dmae_rst(struct sh_dmae_device *shdev)
 {
 	unsigned short dmaor;
 
-	sh_dmae_ctl_stop(id);
-	dmaor = dmaor_read_reg(id) | DMAOR_INIT;
+	sh_dmae_ctl_stop(shdev);
+	dmaor = dmaor_read(shdev) | shdev->pdata->dmaor_init;
 
-	dmaor_write_reg(id, dmaor);
-	if (dmaor_read_reg(id) & (DMAOR_AE | DMAOR_NMIF)) {
-		pr_warning(KERN_ERR "dma-sh: Can't initialize DMAOR.\n");
+	dmaor_write(shdev, dmaor);
+	if (dmaor_read(shdev) & (DMAOR_AE | DMAOR_NMIF)) {
+		pr_warning("dma-sh: Can't initialize DMAOR.\n");
 		return -EINVAL;
 	}
 	return 0;
@@ -102,13 +105,36 @@ static bool dmae_is_busy(struct sh_dmae_chan *sh_chan)
 	return false; /* waiting */
 }
 
-static unsigned int ts_shift[] = TS_SHIFT;
-static inline unsigned int calc_xmit_shift(u32 chcr)
+static unsigned int calc_xmit_shift(struct sh_dmae_chan *sh_chan, u32 chcr)
 {
-	int cnt = ((chcr & CHCR_TS_LOW_MASK) >> CHCR_TS_LOW_SHIFT) |
-		((chcr & CHCR_TS_HIGH_MASK) >> CHCR_TS_HIGH_SHIFT);
+	struct sh_dmae_device *shdev = container_of(sh_chan->common.device,
+						struct sh_dmae_device, common);
+	struct sh_dmae_pdata *pdata = shdev->pdata;
+	int cnt = ((chcr & pdata->ts_low_mask) >> pdata->ts_low_shift) |
+		((chcr & pdata->ts_high_mask) >> pdata->ts_high_shift);
+
+	if (cnt >= pdata->ts_shift_num)
+		cnt = 0;
 
-	return ts_shift[cnt];
+	return pdata->ts_shift[cnt];
+}
+
+static u32 log2size_to_chcr(struct sh_dmae_chan *sh_chan, int l2size)
+{
+	struct sh_dmae_device *shdev = container_of(sh_chan->common.device,
+						struct sh_dmae_device, common);
+	struct sh_dmae_pdata *pdata = shdev->pdata;
+	int i;
+
+	for (i = 0; i < pdata->ts_shift_num; i++)
+		if (pdata->ts_shift[i] == l2size)
+			break;
+
+	if (i == pdata->ts_shift_num)
+		i = 0;
+
+	return ((i << pdata->ts_low_shift) & pdata->ts_low_mask) |
+		((i << pdata->ts_high_shift) & pdata->ts_high_mask);
 }
 
 static void dmae_set_reg(struct sh_dmae_chan *sh_chan, struct sh_dmae_regs *hw)
@@ -136,8 +162,13 @@ static void dmae_halt(struct sh_dmae_chan *sh_chan)
 
 static void dmae_init(struct sh_dmae_chan *sh_chan)
 {
-	u32 chcr = RS_DEFAULT; /* default is DUAL mode */
-	sh_chan->xmit_shift = calc_xmit_shift(chcr);
+	/*
+	 * Default configuration for dual address memory-memory transfer.
+	 * 0x400 represents auto-request.
+	 */
+	u32 chcr = DM_INC | SM_INC | 0x400 | log2size_to_chcr(sh_chan,
+						   LOG2_DEFAULT_XFER_SIZE);
+	sh_chan->xmit_shift = calc_xmit_shift(sh_chan, chcr);
 	sh_dmae_writel(sh_chan, chcr, CHCR);
 }
 
@@ -147,37 +178,26 @@ static int dmae_set_chcr(struct sh_dmae_chan *sh_chan, u32 val)
 	if (dmae_is_busy(sh_chan))
 		return -EBUSY;
 
-	sh_chan->xmit_shift = calc_xmit_shift(val);
+	sh_chan->xmit_shift = calc_xmit_shift(sh_chan, val);
 	sh_dmae_writel(sh_chan, val, CHCR);
 
 	return 0;
 }
 
-#define DMARS_SHIFT	8
-#define DMARS_CHAN_MSK	0x01
 static int dmae_set_dmars(struct sh_dmae_chan *sh_chan, u16 val)
 {
-	u32 addr;
-	int shift = 0;
+	struct sh_dmae_device *shdev = container_of(sh_chan->common.device,
+						struct sh_dmae_device, common);
+	struct sh_dmae_pdata *pdata = shdev->pdata;
+	struct sh_dmae_channel *chan_pdata = &pdata->channel[sh_chan->id];
+	u16 __iomem *addr = shdev->dmars + chan_pdata->dmars / sizeof(u16);
+	int shift = chan_pdata->dmars_bit;
 
 	if (dmae_is_busy(sh_chan))
 		return -EBUSY;
 
-	if (sh_chan->id & DMARS_CHAN_MSK)
-		shift = DMARS_SHIFT;
-
-	if (sh_chan->id < 6)
-		/* DMA0RS0 - DMA0RS2 */
-		addr = SH_DMARS_BASE0 + (sh_chan->id / 2) * 4;
-#ifdef SH_DMARS_BASE1
-	else if (sh_chan->id < 12)
-		/* DMA1RS0 - DMA1RS2 */
-		addr = SH_DMARS_BASE1 + ((sh_chan->id - 6) / 2) * 4;
-#endif
-	else
-		return -EINVAL;
-
-	ctrl_outw((val << shift) | (ctrl_inw(addr) & (0xFF00 >> shift)), addr);
+	__raw_writew((__raw_readw(addr) & (0xff00 >> shift)) | (val << shift),
+		     addr);
 
 	return 0;
 }
@@ -251,15 +271,15 @@ static struct sh_dmae_slave_config *sh_dmae_find_slave(
 	struct dma_device *dma_dev = sh_chan->common.device;
 	struct sh_dmae_device *shdev = container_of(dma_dev,
 					struct sh_dmae_device, common);
-	struct sh_dmae_pdata *pdata = &shdev->pdata;
+	struct sh_dmae_pdata *pdata = shdev->pdata;
 	int i;
 
 	if ((unsigned)slave_id >= SHDMA_SLAVE_NUMBER)
 		return NULL;
 
-	for (i = 0; i < pdata->config_num; i++)
-		if (pdata->config[i].slave_id == slave_id)
-			return pdata->config + i;
+	for (i = 0; i < pdata->slave_num; i++)
+		if (pdata->slave[i].slave_id == slave_id)
+			return pdata->slave + i;
 
 	return NULL;
 }
@@ -270,6 +290,8 @@ static int sh_dmae_alloc_chan_resources(struct dma_chan *chan)
 	struct sh_desc *desc;
 	struct sh_dmae_slave *param = chan->private;
 
+	pm_runtime_get_sync(sh_chan->dev);
+
 	/*
 	 * This relies on the guarantee from dmaengine that alloc_chan_resources
 	 * never runs concurrently with itself or free_chan_resources.
@@ -288,9 +310,8 @@ static int sh_dmae_alloc_chan_resources(struct dma_chan *chan)
 
 		dmae_set_dmars(sh_chan, cfg->mid_rid);
 		dmae_set_chcr(sh_chan, cfg->chcr);
-	} else {
-		if ((sh_dmae_readl(sh_chan, CHCR) & 0x700) != 0x400)
-			dmae_set_chcr(sh_chan, RS_DEFAULT);
+	} else if ((sh_dmae_readl(sh_chan, CHCR) & 0xf00) != 0x400) {
+		dmae_init(sh_chan);
 	}
 
 	spin_lock_bh(&sh_chan->desc_lock);
@@ -312,6 +333,9 @@ static int sh_dmae_alloc_chan_resources(struct dma_chan *chan)
 	}
 	spin_unlock_bh(&sh_chan->desc_lock);
 
+	if (!sh_chan->descs_allocated)
+		pm_runtime_put(sh_chan->dev);
+
 	return sh_chan->descs_allocated;
 }
 
@@ -323,6 +347,7 @@ static void sh_dmae_free_chan_resources(struct dma_chan *chan)
 	struct sh_dmae_chan *sh_chan = to_sh_chan(chan);
 	struct sh_desc *desc, *_desc;
 	LIST_HEAD(list);
+	int descs = sh_chan->descs_allocated;
 
 	dmae_halt(sh_chan);
 
@@ -343,6 +368,9 @@ static void sh_dmae_free_chan_resources(struct dma_chan *chan)
 
 	spin_unlock_bh(&sh_chan->desc_lock);
 
+	if (descs > 0)
+		pm_runtime_put(sh_chan->dev);
+
 	list_for_each_entry_safe(desc, _desc, &list, node)
 		kfree(desc);
 }
@@ -559,6 +587,19 @@ static void sh_dmae_terminate_all(struct dma_chan *chan)
 	if (!chan)
 		return;
 
+	dmae_halt(sh_chan);
+
+	spin_lock_bh(&sh_chan->desc_lock);
+	if (!list_empty(&sh_chan->ld_queue)) {
+		/* Record partial transfer */
+		struct sh_desc *desc = list_entry(sh_chan->ld_queue.next,
+						  struct sh_desc, node);
+		desc->partial = (desc->hw.tcr - sh_dmae_readl(sh_chan, TCR)) <<
+			sh_chan->xmit_shift;
+
+	}
+	spin_unlock_bh(&sh_chan->desc_lock);
+
 	sh_dmae_chan_ld_cleanup(sh_chan, true);
 }
 
@@ -661,7 +702,7 @@ static void sh_dmae_chan_ld_cleanup(struct sh_dmae_chan *sh_chan, bool all)
 
 static void sh_chan_xfer_ld_queue(struct sh_dmae_chan *sh_chan)
 {
-	struct sh_desc *sd;
+	struct sh_desc *desc;
 
 	spin_lock_bh(&sh_chan->desc_lock);
 	/* DMA work check */
@@ -671,10 +712,13 @@ static void sh_chan_xfer_ld_queue(struct sh_dmae_chan *sh_chan)
 	}
 
 	/* Find the first not transferred desciptor */
-	list_for_each_entry(sd, &sh_chan->ld_queue, node)
-		if (sd->mark == DESC_SUBMITTED) {
+	list_for_each_entry(desc, &sh_chan->ld_queue, node)
+		if (desc->mark == DESC_SUBMITTED) {
+			dev_dbg(sh_chan->dev, "Queue #%d to %d: %u@%x -> %x\n",
+				desc->async_tx.cookie, sh_chan->id,
+				desc->hw.tcr, desc->hw.sar, desc->hw.dar);
 			/* Get the ld start address from ld_queue */
-			dmae_set_reg(sh_chan, &sd->hw);
+			dmae_set_reg(sh_chan, &desc->hw);
 			dmae_start(sh_chan);
 			break;
 		}
@@ -696,6 +740,7 @@ static enum dma_status sh_dmae_is_complete(struct dma_chan *chan,
 	struct sh_dmae_chan *sh_chan = to_sh_chan(chan);
 	dma_cookie_t last_used;
 	dma_cookie_t last_complete;
+	enum dma_status status;
 
 	sh_dmae_chan_ld_cleanup(sh_chan, false);
 
@@ -709,7 +754,27 @@ static enum dma_status sh_dmae_is_complete(struct dma_chan *chan,
 	if (used)
 		*used = last_used;
 
-	return dma_async_is_complete(cookie, last_complete, last_used);
+	spin_lock_bh(&sh_chan->desc_lock);
+
+	status = dma_async_is_complete(cookie, last_complete, last_used);
+
+	/*
+	 * If we don't find cookie on the queue, it has been aborted and we have
+	 * to report error
+	 */
+	if (status != DMA_SUCCESS) {
+		struct sh_desc *desc;
+		status = DMA_ERROR;
+		list_for_each_entry(desc, &sh_chan->ld_queue, node)
+			if (desc->cookie == cookie) {
+				status = DMA_IN_PROGRESS;
+				break;
+			}
+	}
+
+	spin_unlock_bh(&sh_chan->desc_lock);
+
+	return status;
 }
 
 static irqreturn_t sh_dmae_interrupt(int irq, void *data)
@@ -732,40 +797,32 @@ static irqreturn_t sh_dmae_interrupt(int irq, void *data)
 #if defined(CONFIG_CPU_SH4)
 static irqreturn_t sh_dmae_err(int irq, void *data)
 {
-	int err = 0;
 	struct sh_dmae_device *shdev = (struct sh_dmae_device *)data;
+	int i;
 
-	/* IRQ Multi */
-	if (shdev->pdata.mode & SHDMA_MIX_IRQ) {
-		int __maybe_unused cnt = 0;
-		switch (irq) {
-#if defined(DMTE6_IRQ) && defined(DMAE1_IRQ)
-		case DMTE6_IRQ:
-			cnt++;
-#endif
-		case DMTE0_IRQ:
-			if (dmaor_read_reg(cnt) & (DMAOR_NMIF | DMAOR_AE)) {
-				disable_irq(irq);
-				return IRQ_HANDLED;
+	/* halt the dma controller */
+	sh_dmae_ctl_stop(shdev);
+
+	/* We cannot detect, which channel caused the error, have to reset all */
+	for (i = 0; i < SH_DMAC_MAX_CHANNELS; i++) {
+		struct sh_dmae_chan *sh_chan = shdev->chan[i];
+		if (sh_chan) {
+			struct sh_desc *desc;
+			/* Stop the channel */
+			dmae_halt(sh_chan);
+			/* Complete all  */
+			list_for_each_entry(desc, &sh_chan->ld_queue, node) {
+				struct dma_async_tx_descriptor *tx = &desc->async_tx;
+				desc->mark = DESC_IDLE;
+				if (tx->callback)
+					tx->callback(tx->callback_param);
 			}
-		default:
-			return IRQ_NONE;
+			list_splice_init(&sh_chan->ld_queue, &sh_chan->ld_free);
 		}
-	} else {
-		/* reset dma controller */
-		err = sh_dmae_rst(0);
-		if (err)
-			return err;
-#ifdef SH_DMAC_BASE1
-		if (shdev->pdata.mode & SHDMA_DMAOR1) {
-			err = sh_dmae_rst(1);
-			if (err)
-				return err;
-		}
-#endif
-		disable_irq(irq);
-		return IRQ_HANDLED;
 	}
+	sh_dmae_rst(shdev);
+
+	return IRQ_HANDLED;
 }
 #endif
 
@@ -796,19 +853,12 @@ static void dmae_do_tasklet(unsigned long data)
 	sh_dmae_chan_ld_cleanup(sh_chan, false);
 }
 
-static unsigned int get_dmae_irq(unsigned int id)
-{
-	unsigned int irq = 0;
-	if (id < ARRAY_SIZE(dmte_irq_map))
-		irq = dmte_irq_map[id];
-	return irq;
-}
-
-static int __devinit sh_dmae_chan_probe(struct sh_dmae_device *shdev, int id)
+static int __devinit sh_dmae_chan_probe(struct sh_dmae_device *shdev, int id,
+					int irq, unsigned long flags)
 {
 	int err;
-	unsigned int irq = get_dmae_irq(id);
-	unsigned long irqflags = IRQF_DISABLED;
+	struct sh_dmae_channel *chan_pdata = &shdev->pdata->channel[id];
+	struct platform_device *pdev = to_platform_device(shdev->common.dev);
 	struct sh_dmae_chan *new_sh_chan;
 
 	/* alloc channel */
@@ -819,8 +869,13 @@ static int __devinit sh_dmae_chan_probe(struct sh_dmae_device *shdev, int id)
 		return -ENOMEM;
 	}
 
+	/* copy struct dma_device */
+	new_sh_chan->common.device = &shdev->common;
+
 	new_sh_chan->dev = shdev->common.dev;
 	new_sh_chan->id = id;
+	new_sh_chan->irq = irq;
+	new_sh_chan->base = shdev->chan_reg + chan_pdata->offset / sizeof(u32);
 
 	/* Init DMA tasklet */
 	tasklet_init(&new_sh_chan->tasklet, dmae_do_tasklet,
@@ -835,29 +890,20 @@ static int __devinit sh_dmae_chan_probe(struct sh_dmae_device *shdev, int id)
 	INIT_LIST_HEAD(&new_sh_chan->ld_queue);
 	INIT_LIST_HEAD(&new_sh_chan->ld_free);
 
-	/* copy struct dma_device */
-	new_sh_chan->common.device = &shdev->common;
-
 	/* Add the channel to DMA device channel list */
 	list_add_tail(&new_sh_chan->common.device_node,
 			&shdev->common.channels);
 	shdev->common.chancnt++;
 
-	if (shdev->pdata.mode & SHDMA_MIX_IRQ) {
-		irqflags = IRQF_SHARED;
-#if defined(DMTE6_IRQ)
-		if (irq >= DMTE6_IRQ)
-			irq = DMTE6_IRQ;
-		else
-#endif
-			irq = DMTE0_IRQ;
-	}
-
-	snprintf(new_sh_chan->dev_id, sizeof(new_sh_chan->dev_id),
-		 "sh-dmae%d", new_sh_chan->id);
+	if (pdev->id >= 0)
+		snprintf(new_sh_chan->dev_id, sizeof(new_sh_chan->dev_id),
+			 "sh-dmae%d.%d", pdev->id, new_sh_chan->id);
+	else
+		snprintf(new_sh_chan->dev_id, sizeof(new_sh_chan->dev_id),
+			 "sh-dma%d", new_sh_chan->id);
 
 	/* set up channel irq */
-	err = request_irq(irq, &sh_dmae_interrupt, irqflags,
+	err = request_irq(irq, &sh_dmae_interrupt, flags,
 			  new_sh_chan->dev_id, new_sh_chan);
 	if (err) {
 		dev_err(shdev->common.dev, "DMA channel %d request_irq error "
@@ -881,12 +927,12 @@ static void sh_dmae_chan_remove(struct sh_dmae_device *shdev)
 
 	for (i = shdev->common.chancnt - 1 ; i >= 0 ; i--) {
 		if (shdev->chan[i]) {
-			struct sh_dmae_chan *shchan = shdev->chan[i];
-			if (!(shdev->pdata.mode & SHDMA_MIX_IRQ))
-				free_irq(dmte_irq_map[i], shchan);
+			struct sh_dmae_chan *sh_chan = shdev->chan[i];
 
-			list_del(&shchan->common.device_node);
-			kfree(shchan);
+			free_irq(sh_chan->irq, sh_chan);
+
+			list_del(&sh_chan->common.device_node);
+			kfree(sh_chan);
 			shdev->chan[i] = NULL;
 		}
 	}
@@ -895,47 +941,84 @@ static void sh_dmae_chan_remove(struct sh_dmae_device *shdev)
 
 static int __init sh_dmae_probe(struct platform_device *pdev)
 {
-	int err = 0, cnt, ecnt;
-	unsigned long irqflags = IRQF_DISABLED;
-#if defined(CONFIG_CPU_SH4)
-	int eirq[] = { DMAE0_IRQ,
-#if defined(DMAE1_IRQ)
-			DMAE1_IRQ
-#endif
-		};
-#endif
+	struct sh_dmae_pdata *pdata = pdev->dev.platform_data;
+	unsigned long irqflags = IRQF_DISABLED,
+		chan_flag[SH_DMAC_MAX_CHANNELS] = {};
+	int errirq, chan_irq[SH_DMAC_MAX_CHANNELS];
+	int err, i, irq_cnt = 0, irqres = 0;
 	struct sh_dmae_device *shdev;
+	struct resource *chan, *dmars, *errirq_res, *chanirq_res;
 
 	/* get platform data */
-	if (!pdev->dev.platform_data)
+	if (!pdata || !pdata->channel_num)
 		return -ENODEV;
 
+	chan = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	/* DMARS area is optional, if absent, this controller cannot do slave DMA */
+	dmars = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+	/*
+	 * IRQ resources:
+	 * 1. there always must be at least one IRQ IO-resource. On SH4 it is
+	 *    the error IRQ, in which case it is the only IRQ in this resource:
+	 *    start == end. If it is the only IRQ resource, all channels also
+	 *    use the same IRQ.
+	 * 2. DMA channel IRQ resources can be specified one per resource or in
+	 *    ranges (start != end)
+	 * 3. iff all events (channels and, optionally, error) on this
+	 *    controller use the same IRQ, only one IRQ resource can be
+	 *    specified, otherwise there must be one IRQ per channel, even if
+	 *    some of them are equal
+	 * 4. if all IRQs on this controller are equal or if some specific IRQs
+	 *    specify IORESOURCE_IRQ_SHAREABLE in their resources, they will be
+	 *    requested with the IRQF_SHARED flag
+	 */
+	errirq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!chan || !errirq_res)
+		return -ENODEV;
+
+	if (!request_mem_region(chan->start, resource_size(chan), pdev->name)) {
+		dev_err(&pdev->dev, "DMAC register region already claimed\n");
+		return -EBUSY;
+	}
+
+	if (dmars && !request_mem_region(dmars->start, resource_size(dmars), pdev->name)) {
+		dev_err(&pdev->dev, "DMAC DMARS region already claimed\n");
+		err = -EBUSY;
+		goto ermrdmars;
+	}
+
+	err = -ENOMEM;
 	shdev = kzalloc(sizeof(struct sh_dmae_device), GFP_KERNEL);
 	if (!shdev) {
-		dev_err(&pdev->dev, "No enough memory\n");
-		return -ENOMEM;
+		dev_err(&pdev->dev, "Not enough memory\n");
+		goto ealloc;
+	}
+
+	shdev->chan_reg = ioremap(chan->start, resource_size(chan));
+	if (!shdev->chan_reg)
+		goto emapchan;
+	if (dmars) {
+		shdev->dmars = ioremap(dmars->start, resource_size(dmars));
+		if (!shdev->dmars)
+			goto emapdmars;
 	}
 
 	/* platform data */
-	memcpy(&shdev->pdata, pdev->dev.platform_data,
-			sizeof(struct sh_dmae_pdata));
+	shdev->pdata = pdata;
+
+	pm_runtime_enable(&pdev->dev);
+	pm_runtime_get_sync(&pdev->dev);
 
 	/* reset dma controller */
-	err = sh_dmae_rst(0);
+	err = sh_dmae_rst(shdev);
 	if (err)
 		goto rst_err;
 
-	/* SH7780/85/23 has DMAOR1 */
-	if (shdev->pdata.mode & SHDMA_DMAOR1) {
-		err = sh_dmae_rst(1);
-		if (err)
-			goto rst_err;
-	}
-
 	INIT_LIST_HEAD(&shdev->common.channels);
 
 	dma_cap_set(DMA_MEMCPY, shdev->common.cap_mask);
-	dma_cap_set(DMA_SLAVE, shdev->common.cap_mask);
+	if (dmars)
+		dma_cap_set(DMA_SLAVE, shdev->common.cap_mask);
 
 	shdev->common.device_alloc_chan_resources
 		= sh_dmae_alloc_chan_resources;
@@ -950,37 +1033,72 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
 
 	shdev->common.dev = &pdev->dev;
 	/* Default transfer size of 32 bytes requires 32-byte alignment */
-	shdev->common.copy_align = 5;
+	shdev->common.copy_align = LOG2_DEFAULT_XFER_SIZE;
 
 #if defined(CONFIG_CPU_SH4)
-	/* Non Mix IRQ mode SH7722/SH7730 etc... */
-	if (shdev->pdata.mode & SHDMA_MIX_IRQ) {
+	chanirq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
+
+	if (!chanirq_res)
+		chanirq_res = errirq_res;
+	else
+		irqres++;
+
+	if (chanirq_res == errirq_res ||
+	    (errirq_res->flags & IORESOURCE_BITS) == IORESOURCE_IRQ_SHAREABLE)
 		irqflags = IRQF_SHARED;
-		eirq[0] = DMTE0_IRQ;
-#if defined(DMTE6_IRQ) && defined(DMAE1_IRQ)
-		eirq[1] = DMTE6_IRQ;
-#endif
+
+	errirq = errirq_res->start;
+
+	err = request_irq(errirq, sh_dmae_err, irqflags,
+			  "DMAC Address Error", shdev);
+	if (err) {
+		dev_err(&pdev->dev,
+			"DMA failed requesting irq #%d, error %d\n",
+			errirq, err);
+		goto eirq_err;
 	}
 
-	for (ecnt = 0 ; ecnt < ARRAY_SIZE(eirq); ecnt++) {
-		err = request_irq(eirq[ecnt], sh_dmae_err, irqflags,
-				  "DMAC Address Error", shdev);
-		if (err) {
-			dev_err(&pdev->dev, "DMA device request_irq"
-				"error (irq %d) with return %d\n",
-				eirq[ecnt], err);
-			goto eirq_err;
+#else
+	chanirq_res = errirq_res;
+#endif /* CONFIG_CPU_SH4 */
+
+	if (chanirq_res->start == chanirq_res->end &&
+	    !platform_get_resource(pdev, IORESOURCE_IRQ, 1)) {
+		/* Special case - all multiplexed */
+		for (; irq_cnt < pdata->channel_num; irq_cnt++) {
+			chan_irq[irq_cnt] = chanirq_res->start;
+			chan_flag[irq_cnt] = IRQF_SHARED;
 		}
+	} else {
+		do {
+			for (i = chanirq_res->start; i <= chanirq_res->end; i++) {
+				if ((errirq_res->flags & IORESOURCE_BITS) ==
+				    IORESOURCE_IRQ_SHAREABLE)
+					chan_flag[irq_cnt] = IRQF_SHARED;
+				else
+					chan_flag[irq_cnt] = IRQF_DISABLED;
+				dev_dbg(&pdev->dev,
+					"Found IRQ %d for channel %d\n",
+					i, irq_cnt);
+				chan_irq[irq_cnt++] = i;
+			}
+			chanirq_res = platform_get_resource(pdev,
+						IORESOURCE_IRQ, ++irqres);
+		} while (irq_cnt < pdata->channel_num && chanirq_res);
 	}
-#endif /* CONFIG_CPU_SH4 */
+
+	if (irq_cnt < pdata->channel_num)
+		goto eirqres;
 
 	/* Create DMA Channel */
-	for (cnt = 0 ; cnt < MAX_DMA_CHANNELS ; cnt++) {
-		err = sh_dmae_chan_probe(shdev, cnt);
+	for (i = 0; i < pdata->channel_num; i++) {
+		err = sh_dmae_chan_probe(shdev, i, chan_irq[i], chan_flag[i]);
 		if (err)
 			goto chan_probe_err;
 	}
 
+	pm_runtime_put(&pdev->dev);
+
 	platform_set_drvdata(pdev, shdev);
 	dma_async_device_register(&shdev->common);
 
@@ -988,13 +1106,24 @@ static int __init sh_dmae_probe(struct platform_device *pdev)
 
 chan_probe_err:
 	sh_dmae_chan_remove(shdev);
-
+eirqres:
+#if defined(CONFIG_CPU_SH4)
+	free_irq(errirq, shdev);
 eirq_err:
-	for (ecnt-- ; ecnt >= 0; ecnt--)
-		free_irq(eirq[ecnt], shdev);
-
+#endif
 rst_err:
+	pm_runtime_put(&pdev->dev);
+	if (dmars)
+		iounmap(shdev->dmars);
+emapdmars:
+	iounmap(shdev->chan_reg);
+emapchan:
 	kfree(shdev);
+ealloc:
+	if (dmars)
+		release_mem_region(dmars->start, resource_size(dmars));
+ermrdmars:
+	release_mem_region(chan->start, resource_size(chan));
 
 	return err;
 }
@@ -1002,36 +1131,39 @@ rst_err:
 static int __exit sh_dmae_remove(struct platform_device *pdev)
 {
 	struct sh_dmae_device *shdev = platform_get_drvdata(pdev);
+	struct resource *res;
+	int errirq = platform_get_irq(pdev, 0);
 
 	dma_async_device_unregister(&shdev->common);
 
-	if (shdev->pdata.mode & SHDMA_MIX_IRQ) {
-		free_irq(DMTE0_IRQ, shdev);
-#if defined(DMTE6_IRQ)
-		free_irq(DMTE6_IRQ, shdev);
-#endif
-	}
+	if (errirq > 0)
+		free_irq(errirq, shdev);
 
 	/* channel data remove */
 	sh_dmae_chan_remove(shdev);
 
-	if (!(shdev->pdata.mode & SHDMA_MIX_IRQ)) {
-		free_irq(DMAE0_IRQ, shdev);
-#if defined(DMAE1_IRQ)
-		free_irq(DMAE1_IRQ, shdev);
-#endif
-	}
+	pm_runtime_disable(&pdev->dev);
+
+	if (shdev->dmars)
+		iounmap(shdev->dmars);
+	iounmap(shdev->chan_reg);
+
 	kfree(shdev);
 
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res)
+		release_mem_region(res->start, resource_size(res));
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+	if (res)
+		release_mem_region(res->start, resource_size(res));
+
 	return 0;
 }
 
 static void sh_dmae_shutdown(struct platform_device *pdev)
 {
 	struct sh_dmae_device *shdev = platform_get_drvdata(pdev);
-	sh_dmae_ctl_stop(0);
-	if (shdev->pdata.mode & SHDMA_DMAOR1)
-		sh_dmae_ctl_stop(1);
+	sh_dmae_ctl_stop(shdev);
 }
 
 static struct platform_driver sh_dmae_driver = {
diff --git a/drivers/dma/shdma.h b/drivers/dma/shdma.h
index 7e227f3c87c4..153609a1e96c 100644
--- a/drivers/dma/shdma.h
+++ b/drivers/dma/shdma.h
@@ -17,23 +17,9 @@
 #include <linux/interrupt.h>
 #include <linux/list.h>
 
-#define SH_DMA_TCR_MAX 0x00FFFFFF	/* 16MB */
-
-struct sh_dmae_regs {
-	u32 sar; /* SAR / source address */
-	u32 dar; /* DAR / destination address */
-	u32 tcr; /* TCR / transfer count */
-};
+#include <asm/dmaengine.h>
 
-struct sh_desc {
-	struct sh_dmae_regs hw;
-	struct list_head node;
-	struct dma_async_tx_descriptor async_tx;
-	enum dma_data_direction direction;
-	dma_cookie_t cookie;
-	int chunks;
-	int mark;
-};
+#define SH_DMA_TCR_MAX 0x00FFFFFF	/* 16MB */
 
 struct device;
 
@@ -47,14 +33,18 @@ struct sh_dmae_chan {
 	struct tasklet_struct tasklet;	/* Tasklet */
 	int descs_allocated;		/* desc count */
 	int xmit_shift;			/* log_2(bytes_per_xfer) */
+	int irq;
 	int id;				/* Raw id of this channel */
+	u32 __iomem *base;
 	char dev_id[16];		/* unique name per DMAC of channel */
 };
 
 struct sh_dmae_device {
 	struct dma_device common;
-	struct sh_dmae_chan *chan[MAX_DMA_CHANNELS];
-	struct sh_dmae_pdata pdata;
+	struct sh_dmae_chan *chan[SH_DMAC_MAX_CHANNELS];
+	struct sh_dmae_pdata *pdata;
+	u32 __iomem *chan_reg;
+	u16 __iomem *dmars;
 };
 
 #define to_sh_chan(chan) container_of(chan, struct sh_dmae_chan, common)
diff --git a/drivers/edac/amd64_edac.c b/drivers/edac/amd64_edac.c
index 3391e6739d06..cf17dbb8014f 100644
--- a/drivers/edac/amd64_edac.c
+++ b/drivers/edac/amd64_edac.c
@@ -13,7 +13,7 @@ module_param(report_gart_errors, int, 0644);
 static int ecc_enable_override;
 module_param(ecc_enable_override, int, 0644);
 
-static struct msr *msrs;
+static struct msr __percpu *msrs;
 
 /* Lookup table for all possible MC control instances */
 struct amd64_pvt;
@@ -2553,14 +2553,14 @@ static int amd64_toggle_ecc_err_reporting(struct amd64_pvt *pvt, bool on)
 
 		if (on) {
 			if (reg->l & K8_MSR_MCGCTL_NBE)
-				pvt->flags.ecc_report = 1;
+				pvt->flags.nb_mce_enable = 1;
 
 			reg->l |= K8_MSR_MCGCTL_NBE;
 		} else {
 			/*
-			 * Turn off ECC reporting only when it was off before
+			 * Turn off NB MCE reporting only when it was off before
 			 */
-			if (!pvt->flags.ecc_report)
+			if (!pvt->flags.nb_mce_enable)
 				reg->l &= ~K8_MSR_MCGCTL_NBE;
 		}
 	}
@@ -2571,22 +2571,11 @@ static int amd64_toggle_ecc_err_reporting(struct amd64_pvt *pvt, bool on)
 	return 0;
 }
 
-/*
- * Only if 'ecc_enable_override' is set AND BIOS had ECC disabled, do "we"
- * enable it.
- */
 static void amd64_enable_ecc_error_reporting(struct mem_ctl_info *mci)
 {
 	struct amd64_pvt *pvt = mci->pvt_info;
 	u32 value, mask = K8_NBCTL_CECCEn | K8_NBCTL_UECCEn;
 
-	if (!ecc_enable_override)
-		return;
-
-	amd64_printk(KERN_WARNING,
-		"'ecc_enable_override' parameter is active, "
-		"Enabling AMD ECC hardware now: CAUTION\n");
-
 	amd64_read_pci_cfg(pvt->misc_f3_ctl, K8_NBCTL, &value);
 
 	/* turn on UECCn and CECCEn bits */
@@ -2611,6 +2600,8 @@ static void amd64_enable_ecc_error_reporting(struct mem_ctl_info *mci)
 			"This node reports that DRAM ECC is "
 			"currently Disabled; ENABLING now\n");
 
+		pvt->flags.nb_ecc_prev = 0;
+
 		/* Attempt to turn on DRAM ECC Enable */
 		value |= K8_NBCFG_ECC_ENABLE;
 		pci_write_config_dword(pvt->misc_f3_ctl, K8_NBCFG, value);
@@ -2625,7 +2616,10 @@ static void amd64_enable_ecc_error_reporting(struct mem_ctl_info *mci)
 			amd64_printk(KERN_DEBUG,
 				"Hardware accepted DRAM ECC Enable\n");
 		}
+	} else {
+		pvt->flags.nb_ecc_prev = 1;
 	}
+
 	debugf0("NBCFG(2)= 0x%x  CHIPKILL= %s ECC_ENABLE= %s\n", value,
 		(value & K8_NBCFG_CHIPKILL) ? "Enabled" : "Disabled",
 		(value & K8_NBCFG_ECC_ENABLE) ? "Enabled" : "Disabled");
@@ -2644,12 +2638,18 @@ static void amd64_restore_ecc_error_reporting(struct amd64_pvt *pvt)
 	value &= ~mask;
 	value |= pvt->old_nbctl;
 
-	/* restore the NB Enable MCGCTL bit */
 	pci_write_config_dword(pvt->misc_f3_ctl, K8_NBCTL, value);
 
+	/* restore previous BIOS DRAM ECC "off" setting which we force-enabled */
+	if (!pvt->flags.nb_ecc_prev) {
+		amd64_read_pci_cfg(pvt->misc_f3_ctl, K8_NBCFG, &value);
+		value &= ~K8_NBCFG_ECC_ENABLE;
+		pci_write_config_dword(pvt->misc_f3_ctl, K8_NBCFG, value);
+	}
+
+	/* restore the NB Enable MCGCTL bit */
 	if (amd64_toggle_ecc_err_reporting(pvt, OFF))
-		amd64_printk(KERN_WARNING, "Error restoring ECC reporting over "
-					   "MCGCTL!\n");
+		amd64_printk(KERN_WARNING, "Error restoring NB MCGCTL settings!\n");
 }
 
 /*
@@ -2690,8 +2690,9 @@ static int amd64_check_ecc_enabled(struct amd64_pvt *pvt)
 		if (!ecc_enable_override) {
 			amd64_printk(KERN_NOTICE, "%s", ecc_msg);
 			return -ENODEV;
+		} else {
+			amd64_printk(KERN_WARNING, "Forcing ECC checking on!\n");
 		}
-		ecc_enable_override = 0;
 	}
 
 	return 0;
diff --git a/drivers/edac/amd64_edac.h b/drivers/edac/amd64_edac.h
index 41bc561e5981..0d4bf5638243 100644
--- a/drivers/edac/amd64_edac.h
+++ b/drivers/edac/amd64_edac.h
@@ -487,7 +487,8 @@ struct amd64_pvt {
 	/* misc settings */
 	struct flags {
 		unsigned long cf8_extcfg:1;
-		unsigned long ecc_report:1;
+		unsigned long nb_mce_enable:1;
+		unsigned long nb_ecc_prev:1;
 	} flags;
 };
 
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index d205d493a68a..243e9aacad69 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -75,6 +75,14 @@ static struct edac_pci_ctl_info *e752x_pci;
 #define E752X_NR_CSROWS		8	/* number of csrows */
 
 /* E752X register addresses - device 0 function 0 */
+#define E752X_MCHSCRB		0x52	/* Memory Scrub register (16b) */
+					/*
+					 * 6:5     Scrub Completion Count
+					 * 3:2     Scrub Rate (i3100 only)
+					 *      01=fast 10=normal
+					 * 1:0     Scrub Mode enable
+					 *      00=off 10=on
+					 */
 #define E752X_DRB		0x60	/* DRAM row boundary register (8b) */
 #define E752X_DRA		0x70	/* DRAM row attribute register (8b) */
 					/*
@@ -240,6 +248,41 @@ static const struct e752x_dev_info e752x_devs[] = {
 		.ctl_name = "3100"},
 };
 
+/* Valid scrub rates for the e752x/3100 hardware memory scrubber. We
+ * map the scrubbing bandwidth to a hardware register value. The 'set'
+ * operation finds the 'matching or higher value'.  Note that scrubbing
+ * on the e752x can only be enabled/disabled.  The 3100 supports
+ * a normal and fast mode.
+ */
+
+#define SDRATE_EOT 0xFFFFFFFF
+
+struct scrubrate {
+	u32 bandwidth;	/* bandwidth consumed by scrubbing in bytes/sec */
+	u16 scrubval;	/* register value for scrub rate */
+};
+
+/* Rate below assumes same performance as i3100 using PC3200 DDR2 in
+ * normal mode.  e752x bridges don't support choosing normal or fast mode,
+ * so the scrubbing bandwidth value isn't all that important - scrubbing is
+ * either on or off.
+ */
+static const struct scrubrate scrubrates_e752x[] = {
+	{0,		0x00},	/* Scrubbing Off */
+	{500000,	0x02},	/* Scrubbing On */
+	{SDRATE_EOT,	0x00}	/* End of Table */
+};
+
+/* Fast mode: 2 GByte PC3200 DDR2 scrubbed in 33s = 63161283 bytes/s
+ * Normal mode: 125 (32000 / 256) times slower than fast mode.
+ */
+static const struct scrubrate scrubrates_i3100[] = {
+	{0,		0x00},	/* Scrubbing Off */
+	{500000,	0x0a},	/* Normal mode - 32k clocks */
+	{62500000,	0x06},	/* Fast mode - 256 clocks */
+	{SDRATE_EOT,	0x00}	/* End of Table */
+};
+
 static unsigned long ctl_page_to_phys(struct mem_ctl_info *mci,
 				unsigned long page)
 {
@@ -915,6 +958,68 @@ static void e752x_check(struct mem_ctl_info *mci)
 	e752x_process_error_info(mci, &info, 1);
 }
 
+/* Program byte/sec bandwidth scrub rate to hardware */
+static int set_sdram_scrub_rate(struct mem_ctl_info *mci, u32 *new_bw)
+{
+	const struct scrubrate *scrubrates;
+	struct e752x_pvt *pvt = (struct e752x_pvt *) mci->pvt_info;
+	struct pci_dev *pdev = pvt->dev_d0f0;
+	int i;
+
+	if (pvt->dev_info->ctl_dev == PCI_DEVICE_ID_INTEL_3100_0)
+		scrubrates = scrubrates_i3100;
+	else
+		scrubrates = scrubrates_e752x;
+
+	/* Translate the desired scrub rate to a e752x/3100 register value.
+	 * Search for the bandwidth that is equal or greater than the
+	 * desired rate and program the cooresponding register value.
+	 */
+	for (i = 0; scrubrates[i].bandwidth != SDRATE_EOT; i++)
+		if (scrubrates[i].bandwidth >= *new_bw)
+			break;
+
+	if (scrubrates[i].bandwidth == SDRATE_EOT)
+		return -1;
+
+	pci_write_config_word(pdev, E752X_MCHSCRB, scrubrates[i].scrubval);
+
+	return 0;
+}
+
+/* Convert current scrub rate value into byte/sec bandwidth */
+static int get_sdram_scrub_rate(struct mem_ctl_info *mci, u32 *bw)
+{
+	const struct scrubrate *scrubrates;
+	struct e752x_pvt *pvt = (struct e752x_pvt *) mci->pvt_info;
+	struct pci_dev *pdev = pvt->dev_d0f0;
+	u16 scrubval;
+	int i;
+
+	if (pvt->dev_info->ctl_dev == PCI_DEVICE_ID_INTEL_3100_0)
+		scrubrates = scrubrates_i3100;
+	else
+		scrubrates = scrubrates_e752x;
+
+	/* Find the bandwidth matching the memory scrubber configuration */
+	pci_read_config_word(pdev, E752X_MCHSCRB, &scrubval);
+	scrubval = scrubval & 0x0f;
+
+	for (i = 0; scrubrates[i].bandwidth != SDRATE_EOT; i++)
+		if (scrubrates[i].scrubval == scrubval)
+			break;
+
+	if (scrubrates[i].bandwidth == SDRATE_EOT) {
+		e752x_printk(KERN_WARNING,
+			"Invalid sdram scrub control value: 0x%x\n", scrubval);
+		return -1;
+	}
+
+	*bw = scrubrates[i].bandwidth;
+
+	return 0;
+}
+
 /* Return 1 if dual channel mode is active.  Else return 0. */
 static inline int dual_channel_active(u16 ddrcsr)
 {
@@ -1073,10 +1178,7 @@ fail:
 
 /* Setup system bus parity mask register.
  * Sysbus parity supported on:
- *   e7320/e7520/e7525 + Xeon
- *   i3100 + Xeon/Celeron
- * Sysbus parity not supported on:
- *   i3100 + Pentium M/Celeron M/Core Duo/Core2 Duo
+ * e7320/e7520/e7525 + Xeon
  */
 static void e752x_init_sysbus_parity_mask(struct e752x_pvt *pvt)
 {
@@ -1087,10 +1189,7 @@ static void e752x_init_sysbus_parity_mask(struct e752x_pvt *pvt)
 	/* Allow module parameter override, else see if CPU supports parity */
 	if (sysbus_parity != -1) {
 		enable = sysbus_parity;
-	} else if (cpu_id[0] &&
-		   ((strstr(cpu_id, "Pentium") && strstr(cpu_id, " M ")) ||
-		    (strstr(cpu_id, "Celeron") && strstr(cpu_id, " M ")) ||
-		    (strstr(cpu_id, "Core") && strstr(cpu_id, "Duo")))) {
+	} else if (cpu_id[0] && !strstr(cpu_id, "Xeon")) {
 		e752x_printk(KERN_INFO, "System Bus Parity not "
 			     "supported by CPU, disabling\n");
 		enable = 0;
@@ -1187,6 +1286,8 @@ static int e752x_probe1(struct pci_dev *pdev, int dev_idx)
 	mci->dev_name = pci_name(pdev);
 	mci->edac_check = e752x_check;
 	mci->ctl_page_to_phys = ctl_page_to_phys;
+	mci->set_sdram_scrub_rate = set_sdram_scrub_rate;
+	mci->get_sdram_scrub_rate = get_sdram_scrub_rate;
 
 	/* set the map type.  1 = normal, 0 = reversed
 	 * Must be set before e752x_init_csrows in case csrow mapping
diff --git a/drivers/edac/edac_device_sysfs.c b/drivers/edac/edac_device_sysfs.c
index 53764577035f..5fdedbc0f545 100644
--- a/drivers/edac/edac_device_sysfs.c
+++ b/drivers/edac/edac_device_sysfs.c
@@ -137,7 +137,7 @@ static ssize_t edac_dev_ctl_info_store(struct kobject *kobj,
 }
 
 /* edac_dev file operations for an 'ctl_info' */
-static struct sysfs_ops device_ctl_info_ops = {
+static const struct sysfs_ops device_ctl_info_ops = {
 	.show = edac_dev_ctl_info_show,
 	.store = edac_dev_ctl_info_store
 };
@@ -373,7 +373,7 @@ static ssize_t edac_dev_instance_store(struct kobject *kobj,
 }
 
 /* edac_dev file operations for an 'instance' */
-static struct sysfs_ops device_instance_ops = {
+static const struct sysfs_ops device_instance_ops = {
 	.show = edac_dev_instance_show,
 	.store = edac_dev_instance_store
 };
@@ -476,7 +476,7 @@ static ssize_t edac_dev_block_store(struct kobject *kobj,
 }
 
 /* edac_dev file operations for a 'block' */
-static struct sysfs_ops device_block_ops = {
+static const struct sysfs_ops device_block_ops = {
 	.show = edac_dev_block_show,
 	.store = edac_dev_block_store
 };
diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index e1d4ce083481..88840e9fa3e0 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -245,7 +245,7 @@ static ssize_t csrowdev_store(struct kobject *kobj, struct attribute *attr,
 	return -EIO;
 }
 
-static struct sysfs_ops csrowfs_ops = {
+static const struct sysfs_ops csrowfs_ops = {
 	.show = csrowdev_show,
 	.store = csrowdev_store
 };
@@ -575,7 +575,7 @@ static ssize_t mcidev_store(struct kobject *kobj, struct attribute *attr,
 }
 
 /* Intermediate show/store table */
-static struct sysfs_ops mci_ops = {
+static const struct sysfs_ops mci_ops = {
 	.show = mcidev_show,
 	.store = mcidev_store
 };
diff --git a/drivers/edac/edac_mce_amd.c b/drivers/edac/edac_mce_amd.c
index 8fc91a019620..f5b6d9fe4def 100644
--- a/drivers/edac/edac_mce_amd.c
+++ b/drivers/edac/edac_mce_amd.c
@@ -316,7 +316,12 @@ void amd_decode_nb_mce(int node_id, struct err_regs *regs, int handle_errors)
 		if (regs->nbsh & K8_NBSH_ERR_CPU_VAL)
 			pr_cont(", core: %u\n", (u8)(regs->nbsh & 0xf));
 	} else {
-		pr_cont(", core: %d\n", fls((regs->nbsh & 0xf) - 1));
+		u8 assoc_cpus = regs->nbsh & 0xf;
+
+		if (assoc_cpus > 0)
+			pr_cont(", core: %d", fls(assoc_cpus) - 1);
+
+		pr_cont("\n");
 	}
 
 	pr_emerg("%s.\n", EXT_ERR_MSG(xec));
diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c
index fb60a877d768..bef94e3d9944 100644
--- a/drivers/edac/edac_pci_sysfs.c
+++ b/drivers/edac/edac_pci_sysfs.c
@@ -121,7 +121,7 @@ static ssize_t edac_pci_instance_store(struct kobject *kobj,
 }
 
 /* fs_ops table */
-static struct sysfs_ops pci_instance_ops = {
+static const struct sysfs_ops pci_instance_ops = {
 	.show = edac_pci_instance_show,
 	.store = edac_pci_instance_store
 };
@@ -261,7 +261,7 @@ static ssize_t edac_pci_dev_store(struct kobject *kobj,
 	return -EIO;
 }
 
-static struct sysfs_ops edac_pci_sysfs_ops = {
+static const struct sysfs_ops edac_pci_sysfs_ops = {
 	.show = edac_pci_dev_show,
 	.store = edac_pci_dev_store
 };
diff --git a/drivers/edac/mpc85xx_edac.c b/drivers/edac/mpc85xx_edac.c
index ecd5928d7110..94cac0aacea3 100644
--- a/drivers/edac/mpc85xx_edac.c
+++ b/drivers/edac/mpc85xx_edac.c
@@ -239,16 +239,15 @@ static int __devinit mpc85xx_pci_err_probe(struct of_device *op,
 	/* we only need the error registers */
 	r.start += 0xe00;
 
-	if (!devm_request_mem_region(&op->dev, r.start,
-					r.end - r.start + 1, pdata->name)) {
+	if (!devm_request_mem_region(&op->dev, r.start, resource_size(&r),
+					pdata->name)) {
 		printk(KERN_ERR "%s: Error while requesting mem region\n",
 		       __func__);
 		res = -EBUSY;
 		goto err;
 	}
 
-	pdata->pci_vbase = devm_ioremap(&op->dev, r.start,
-					r.end - r.start + 1);
+	pdata->pci_vbase = devm_ioremap(&op->dev, r.start, resource_size(&r));
 	if (!pdata->pci_vbase) {
 		printk(KERN_ERR "%s: Unable to setup PCI err regs\n", __func__);
 		res = -ENOMEM;
@@ -668,15 +667,125 @@ static struct of_platform_driver mpc85xx_l2_err_driver = {
 
 /**************************** MC Err device ***************************/
 
+/*
+ * Taken from table 8-55 in the MPC8641 User's Manual and/or 9-61 in the
+ * MPC8572 User's Manual.  Each line represents a syndrome bit column as a
+ * 64-bit value, but split into an upper and lower 32-bit chunk.  The labels
+ * below correspond to Freescale's manuals.
+ */
+static unsigned int ecc_table[16] = {
+	/* MSB           LSB */
+	/* [0:31]    [32:63] */
+	0xf00fe11e, 0xc33c0ff7,	/* Syndrome bit 7 */
+	0x00ff00ff, 0x00fff0ff,
+	0x0f0f0f0f, 0x0f0fff00,
+	0x11113333, 0x7777000f,
+	0x22224444, 0x8888222f,
+	0x44448888, 0xffff4441,
+	0x8888ffff, 0x11118882,
+	0xffff1111, 0x22221114,	/* Syndrome bit 0 */
+};
+
+/*
+ * Calculate the correct ECC value for a 64-bit value specified by high:low
+ */
+static u8 calculate_ecc(u32 high, u32 low)
+{
+	u32 mask_low;
+	u32 mask_high;
+	int bit_cnt;
+	u8 ecc = 0;
+	int i;
+	int j;
+
+	for (i = 0; i < 8; i++) {
+		mask_high = ecc_table[i * 2];
+		mask_low = ecc_table[i * 2 + 1];
+		bit_cnt = 0;
+
+		for (j = 0; j < 32; j++) {
+			if ((mask_high >> j) & 1)
+				bit_cnt ^= (high >> j) & 1;
+			if ((mask_low >> j) & 1)
+				bit_cnt ^= (low >> j) & 1;
+		}
+
+		ecc |= bit_cnt << i;
+	}
+
+	return ecc;
+}
+
+/*
+ * Create the syndrome code which is generated if the data line specified by
+ * 'bit' failed.  Eg generate an 8-bit codes seen in Table 8-55 in the MPC8641
+ * User's Manual and 9-61 in the MPC8572 User's Manual.
+ */
+static u8 syndrome_from_bit(unsigned int bit) {
+	int i;
+	u8 syndrome = 0;
+
+	/*
+	 * Cycle through the upper or lower 32-bit portion of each value in
+	 * ecc_table depending on if 'bit' is in the upper or lower half of
+	 * 64-bit data.
+	 */
+	for (i = bit < 32; i < 16; i += 2)
+		syndrome |= ((ecc_table[i] >> (bit % 32)) & 1) << (i / 2);
+
+	return syndrome;
+}
+
+/*
+ * Decode data and ecc syndrome to determine what went wrong
+ * Note: This can only decode single-bit errors
+ */
+static void sbe_ecc_decode(u32 cap_high, u32 cap_low, u32 cap_ecc,
+		       int *bad_data_bit, int *bad_ecc_bit)
+{
+	int i;
+	u8 syndrome;
+
+	*bad_data_bit = -1;
+	*bad_ecc_bit = -1;
+
+	/*
+	 * Calculate the ECC of the captured data and XOR it with the captured
+	 * ECC to find an ECC syndrome value we can search for
+	 */
+	syndrome = calculate_ecc(cap_high, cap_low) ^ cap_ecc;
+
+	/* Check if a data line is stuck... */
+	for (i = 0; i < 64; i++) {
+		if (syndrome == syndrome_from_bit(i)) {
+			*bad_data_bit = i;
+			return;
+		}
+	}
+
+	/* If data is correct, check ECC bits for errors... */
+	for (i = 0; i < 8; i++) {
+		if ((syndrome >> i) & 0x1) {
+			*bad_ecc_bit = i;
+			return;
+		}
+	}
+}
+
 static void mpc85xx_mc_check(struct mem_ctl_info *mci)
 {
 	struct mpc85xx_mc_pdata *pdata = mci->pvt_info;
 	struct csrow_info *csrow;
+	u32 bus_width;
 	u32 err_detect;
 	u32 syndrome;
 	u32 err_addr;
 	u32 pfn;
 	int row_index;
+	u32 cap_high;
+	u32 cap_low;
+	int bad_data_bit;
+	int bad_ecc_bit;
 
 	err_detect = in_be32(pdata->mc_vbase + MPC85XX_MC_ERR_DETECT);
 	if (!err_detect)
@@ -692,6 +801,15 @@ static void mpc85xx_mc_check(struct mem_ctl_info *mci)
 	}
 
 	syndrome = in_be32(pdata->mc_vbase + MPC85XX_MC_CAPTURE_ECC);
+
+	/* Mask off appropriate bits of syndrome based on bus width */
+	bus_width = (in_be32(pdata->mc_vbase + MPC85XX_MC_DDR_SDRAM_CFG) &
+			DSC_DBW_MASK) ? 32 : 64;
+	if (bus_width == 64)
+		syndrome &= 0xff;
+	else
+		syndrome &= 0xffff;
+
 	err_addr = in_be32(pdata->mc_vbase + MPC85XX_MC_CAPTURE_ADDRESS);
 	pfn = err_addr >> PAGE_SHIFT;
 
@@ -701,14 +819,35 @@ static void mpc85xx_mc_check(struct mem_ctl_info *mci)
 			break;
 	}
 
-	mpc85xx_mc_printk(mci, KERN_ERR, "Capture Data High: %#8.8x\n",
-			  in_be32(pdata->mc_vbase +
-				  MPC85XX_MC_CAPTURE_DATA_HI));
-	mpc85xx_mc_printk(mci, KERN_ERR, "Capture Data Low: %#8.8x\n",
-			  in_be32(pdata->mc_vbase +
-				  MPC85XX_MC_CAPTURE_DATA_LO));
-	mpc85xx_mc_printk(mci, KERN_ERR, "syndrome: %#8.8x\n", syndrome);
-	mpc85xx_mc_printk(mci, KERN_ERR, "err addr: %#8.8x\n", err_addr);
+	cap_high = in_be32(pdata->mc_vbase + MPC85XX_MC_CAPTURE_DATA_HI);
+	cap_low = in_be32(pdata->mc_vbase + MPC85XX_MC_CAPTURE_DATA_LO);
+
+	/*
+	 * Analyze single-bit errors on 64-bit wide buses
+	 * TODO: Add support for 32-bit wide buses
+	 */
+	if ((err_detect & DDR_EDE_SBE) && (bus_width == 64)) {
+		sbe_ecc_decode(cap_high, cap_low, syndrome,
+				&bad_data_bit, &bad_ecc_bit);
+
+		if (bad_data_bit != -1)
+			mpc85xx_mc_printk(mci, KERN_ERR,
+				"Faulty Data bit: %d\n", bad_data_bit);
+		if (bad_ecc_bit != -1)
+			mpc85xx_mc_printk(mci, KERN_ERR,
+				"Faulty ECC bit: %d\n", bad_ecc_bit);
+
+		mpc85xx_mc_printk(mci, KERN_ERR,
+			"Expected Data / ECC:\t%#8.8x_%08x / %#2.2x\n",
+			cap_high ^ (1 << (bad_data_bit - 32)),
+			cap_low ^ (1 << bad_data_bit),
+			syndrome ^ (1 << bad_ecc_bit));
+	}
+
+	mpc85xx_mc_printk(mci, KERN_ERR,
+			"Captured Data / ECC:\t%#8.8x_%08x / %#2.2x\n",
+			cap_high, cap_low, syndrome);
+	mpc85xx_mc_printk(mci, KERN_ERR, "Err addr: %#8.8x\n", err_addr);
 	mpc85xx_mc_printk(mci, KERN_ERR, "PFN: %#8.8x\n", pfn);
 
 	/* we are out of range */
diff --git a/drivers/edac/mpc85xx_edac.h b/drivers/edac/mpc85xx_edac.h
index 52432ee7c4b9..cb24df839460 100644
--- a/drivers/edac/mpc85xx_edac.h
+++ b/drivers/edac/mpc85xx_edac.h
@@ -48,6 +48,9 @@
 #define DSC_MEM_EN	0x80000000
 #define DSC_ECC_EN	0x20000000
 #define DSC_RD_EN	0x10000000
+#define DSC_DBW_MASK	0x00180000
+#define DSC_DBW_32	0x00080000
+#define DSC_DBW_64	0x00000000
 
 #define DSC_SDTYPE_MASK		0x07000000
 
diff --git a/drivers/eisa/eisa-bus.c b/drivers/eisa/eisa-bus.c
index 66958b3f10b4..806c77bfd434 100644
--- a/drivers/eisa/eisa-bus.c
+++ b/drivers/eisa/eisa-bus.c
@@ -39,10 +39,10 @@ static unsigned int enable_dev_count;
 static int disable_dev[EISA_MAX_FORCED_DEV];
 static unsigned int disable_dev_count;
 
-static int is_forced_dev (int *forced_tab,
-			  int forced_count,
-			  struct eisa_root_device *root,
-			  struct eisa_device *edev)
+static int is_forced_dev(int *forced_tab,
+			 int forced_count,
+			 struct eisa_root_device *root,
+			 struct eisa_device *edev)
 {
 	int i, x;
 
@@ -55,21 +55,21 @@ static int is_forced_dev (int *forced_tab,
 	return 0;
 }
 
-static void __init eisa_name_device (struct eisa_device *edev)
+static void __init eisa_name_device(struct eisa_device *edev)
 {
 #ifdef CONFIG_EISA_NAMES
 	int i;
 	for (i = 0; i < EISA_INFOS; i++) {
-		if (!strcmp (edev->id.sig, eisa_table[i].id.sig)) {
-			strlcpy (edev->pretty_name,
-				 eisa_table[i].name,
-				 sizeof(edev->pretty_name));
+		if (!strcmp(edev->id.sig, eisa_table[i].id.sig)) {
+			strlcpy(edev->pretty_name,
+				eisa_table[i].name,
+				sizeof(edev->pretty_name));
 			return;
 		}
 	}
 
 	/* No name was found */
-	sprintf (edev->pretty_name, "EISA device %.7s", edev->id.sig);
+	sprintf(edev->pretty_name, "EISA device %.7s", edev->id.sig);
 #endif
 }
 
@@ -91,7 +91,7 @@ static char __init *decode_eisa_sig(unsigned long addr)
 		 */
 		outb(0x80 + i, addr);
 #endif
-		sig[i] = inb (addr + i);
+		sig[i] = inb(addr + i);
 
 		if (!i && (sig[0] & 0x80))
 			return NULL;
@@ -106,17 +106,17 @@ static char __init *decode_eisa_sig(unsigned long addr)
         return sig_str;
 }
 
-static int eisa_bus_match (struct device *dev, struct device_driver *drv)
+static int eisa_bus_match(struct device *dev, struct device_driver *drv)
 {
-	struct eisa_device *edev = to_eisa_device (dev);
-	struct eisa_driver *edrv = to_eisa_driver (drv);
+	struct eisa_device *edev = to_eisa_device(dev);
+	struct eisa_driver *edrv = to_eisa_driver(drv);
 	const struct eisa_device_id *eids = edrv->id_table;
 
 	if (!eids)
 		return 0;
 
-	while (strlen (eids->sig)) {
-		if (!strcmp (eids->sig, edev->id.sig) &&
+	while (strlen(eids->sig)) {
+		if (!strcmp(eids->sig, edev->id.sig) &&
 		    edev->state & EISA_CONFIG_ENABLED) {
 			edev->id.driver_data = eids->driver_data;
 			return 1;
@@ -141,61 +141,71 @@ struct bus_type eisa_bus_type = {
 	.match = eisa_bus_match,
 	.uevent = eisa_bus_uevent,
 };
+EXPORT_SYMBOL(eisa_bus_type);
 
-int eisa_driver_register (struct eisa_driver *edrv)
+int eisa_driver_register(struct eisa_driver *edrv)
 {
 	edrv->driver.bus = &eisa_bus_type;
-	return driver_register (&edrv->driver);
+	return driver_register(&edrv->driver);
 }
+EXPORT_SYMBOL(eisa_driver_register);
 
-void eisa_driver_unregister (struct eisa_driver *edrv)
+void eisa_driver_unregister(struct eisa_driver *edrv)
 {
-	driver_unregister (&edrv->driver);
+	driver_unregister(&edrv->driver);
 }
+EXPORT_SYMBOL(eisa_driver_unregister);
 
-static ssize_t eisa_show_sig (struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t eisa_show_sig(struct device *dev, struct device_attribute *attr,
+			     char *buf)
 {
-        struct eisa_device *edev = to_eisa_device (dev);
-        return sprintf (buf,"%s\n", edev->id.sig);
+	struct eisa_device *edev = to_eisa_device(dev);
+	return sprintf(buf, "%s\n", edev->id.sig);
 }
 
 static DEVICE_ATTR(signature, S_IRUGO, eisa_show_sig, NULL);
 
-static ssize_t eisa_show_state (struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t eisa_show_state(struct device *dev,
+			       struct device_attribute *attr,
+			       char *buf)
 {
-        struct eisa_device *edev = to_eisa_device (dev);
-        return sprintf (buf,"%d\n", edev->state & EISA_CONFIG_ENABLED);
+	struct eisa_device *edev = to_eisa_device(dev);
+	return sprintf(buf, "%d\n", edev->state & EISA_CONFIG_ENABLED);
 }
 
 static DEVICE_ATTR(enabled, S_IRUGO, eisa_show_state, NULL);
 
-static ssize_t eisa_show_modalias (struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t eisa_show_modalias(struct device *dev,
+				  struct device_attribute *attr,
+				  char *buf)
 {
-        struct eisa_device *edev = to_eisa_device (dev);
-        return sprintf (buf, EISA_DEVICE_MODALIAS_FMT "\n", edev->id.sig);
+	struct eisa_device *edev = to_eisa_device(dev);
+	return sprintf(buf, EISA_DEVICE_MODALIAS_FMT "\n", edev->id.sig);
 }
 
 static DEVICE_ATTR(modalias, S_IRUGO, eisa_show_modalias, NULL);
 
-static int __init eisa_init_device (struct eisa_root_device *root,
-				    struct eisa_device *edev,
-				    int slot)
+static int __init eisa_init_device(struct eisa_root_device *root,
+				   struct eisa_device *edev,
+				   int slot)
 {
 	char *sig;
-        unsigned long sig_addr;
+	unsigned long sig_addr;
 	int i;
 
-	sig_addr = SLOT_ADDRESS (root, slot) + EISA_VENDOR_ID_OFFSET;
+	sig_addr = SLOT_ADDRESS(root, slot) + EISA_VENDOR_ID_OFFSET;
 
-	if (!(sig = decode_eisa_sig (sig_addr)))
+	sig = decode_eisa_sig(sig_addr);
+	if (!sig)
 		return -1;	/* No EISA device here */
 	
-	memcpy (edev->id.sig, sig, EISA_SIG_LEN);
+	memcpy(edev->id.sig, sig, EISA_SIG_LEN);
 	edev->slot = slot;
-	edev->state = inb (SLOT_ADDRESS (root, slot) + EISA_CONFIG_OFFSET) & EISA_CONFIG_ENABLED;
-	edev->base_addr = SLOT_ADDRESS (root, slot);
+	edev->state = inb(SLOT_ADDRESS(root, slot) + EISA_CONFIG_OFFSET)
+		      & EISA_CONFIG_ENABLED;
+	edev->base_addr = SLOT_ADDRESS(root, slot);
 	edev->dma_mask = root->dma_mask; /* Default DMA mask */
-	eisa_name_device (edev);
+	eisa_name_device(edev);
 	edev->dev.parent = root->dev;
 	edev->dev.bus = &eisa_bus_type;
 	edev->dev.dma_mask = &edev->dma_mask;
@@ -210,42 +220,45 @@ static int __init eisa_init_device (struct eisa_root_device *root,
 #endif
 	}
 
-	if (is_forced_dev (enable_dev, enable_dev_count, root, edev))
+	if (is_forced_dev(enable_dev, enable_dev_count, root, edev))
 		edev->state = EISA_CONFIG_ENABLED | EISA_CONFIG_FORCED;
 	
-	if (is_forced_dev (disable_dev, disable_dev_count, root, edev))
+	if (is_forced_dev(disable_dev, disable_dev_count, root, edev))
 		edev->state = EISA_CONFIG_FORCED;
 
 	return 0;
 }
 
-static int __init eisa_register_device (struct eisa_device *edev)
+static int __init eisa_register_device(struct eisa_device *edev)
 {
-	int rc = device_register (&edev->dev);
+	int rc = device_register(&edev->dev);
 	if (rc)
 		return rc;
 
-	rc = device_create_file (&edev->dev, &dev_attr_signature);
-	if (rc) goto err_devreg;
-	rc = device_create_file (&edev->dev, &dev_attr_enabled);
-	if (rc) goto err_sig;
-	rc = device_create_file (&edev->dev, &dev_attr_modalias);
-	if (rc) goto err_enab;
+	rc = device_create_file(&edev->dev, &dev_attr_signature);
+	if (rc)
+		goto err_devreg;
+	rc = device_create_file(&edev->dev, &dev_attr_enabled);
+	if (rc)
+		goto err_sig;
+	rc = device_create_file(&edev->dev, &dev_attr_modalias);
+	if (rc)
+		goto err_enab;
 
 	return 0;
 
 err_enab:
-	device_remove_file (&edev->dev, &dev_attr_enabled);
+	device_remove_file(&edev->dev, &dev_attr_enabled);
 err_sig:
-	device_remove_file (&edev->dev, &dev_attr_signature);
+	device_remove_file(&edev->dev, &dev_attr_signature);
 err_devreg:
 	device_unregister(&edev->dev);
 	return rc;
 }
 
-static int __init eisa_request_resources (struct eisa_root_device *root,
-					  struct eisa_device *edev,
-					  int slot)
+static int __init eisa_request_resources(struct eisa_root_device *root,
+					 struct eisa_device *edev,
+					 int slot)
 {
 	int i;
 
@@ -263,17 +276,19 @@ static int __init eisa_request_resources (struct eisa_root_device *root,
 		
 		if (slot) {
 			edev->res[i].name  = NULL;
-			edev->res[i].start = SLOT_ADDRESS (root, slot) + (i * 0x400);
+			edev->res[i].start = SLOT_ADDRESS(root, slot)
+					     + (i * 0x400);
 			edev->res[i].end   = edev->res[i].start + 0xff;
 			edev->res[i].flags = IORESOURCE_IO;
 		} else {
 			edev->res[i].name  = NULL;
-			edev->res[i].start = SLOT_ADDRESS (root, slot) + EISA_VENDOR_ID_OFFSET;
+			edev->res[i].start = SLOT_ADDRESS(root, slot)
+					     + EISA_VENDOR_ID_OFFSET;
 			edev->res[i].end   = edev->res[i].start + 3;
 			edev->res[i].flags = IORESOURCE_BUSY;
 		}
 
-		if (request_resource (root->res, &edev->res[i]))
+		if (request_resource(root->res, &edev->res[i]))
 			goto failed;
 	}
 
@@ -281,99 +296,100 @@ static int __init eisa_request_resources (struct eisa_root_device *root,
 	
  failed:
 	while (--i >= 0)
-		release_resource (&edev->res[i]);
+		release_resource(&edev->res[i]);
 
 	return -1;
 }
 
-static void __init eisa_release_resources (struct eisa_device *edev)
+static void __init eisa_release_resources(struct eisa_device *edev)
 {
 	int i;
 
 	for (i = 0; i < EISA_MAX_RESOURCES; i++)
 		if (edev->res[i].start || edev->res[i].end)
-			release_resource (&edev->res[i]);
+			release_resource(&edev->res[i]);
 }
 
-static int __init eisa_probe (struct eisa_root_device *root)
+static int __init eisa_probe(struct eisa_root_device *root)
 {
         int i, c;
 	struct eisa_device *edev;
 
-        printk (KERN_INFO "EISA: Probing bus %d at %s\n",
-		root->bus_nr, dev_name(root->dev));
+	printk(KERN_INFO "EISA: Probing bus %d at %s\n",
+	       root->bus_nr, dev_name(root->dev));
 
 	/* First try to get hold of slot 0. If there is no device
 	 * here, simply fail, unless root->force_probe is set. */
 	
-	if (!(edev = kzalloc (sizeof (*edev), GFP_KERNEL))) {
-		printk (KERN_ERR "EISA: Couldn't allocate mainboard slot\n");
+	edev = kzalloc(sizeof(*edev), GFP_KERNEL);
+	if (!edev) {
+		printk(KERN_ERR "EISA: Couldn't allocate mainboard slot\n");
 		return -ENOMEM;
 	}
 		
-	if (eisa_request_resources (root, edev, 0)) {
-		printk (KERN_WARNING \
-			"EISA: Cannot allocate resource for mainboard\n");
-		kfree (edev);
+	if (eisa_request_resources(root, edev, 0)) {
+		printk(KERN_WARNING \
+		       "EISA: Cannot allocate resource for mainboard\n");
+		kfree(edev);
 		if (!root->force_probe)
 			return -EBUSY;
 		goto force_probe;
 	}
 
-	if (eisa_init_device (root, edev, 0)) {
-		eisa_release_resources (edev);
-		kfree (edev);
+	if (eisa_init_device(root, edev, 0)) {
+		eisa_release_resources(edev);
+		kfree(edev);
 		if (!root->force_probe)
 			return -ENODEV;
 		goto force_probe;
 	}
 
-	printk (KERN_INFO "EISA: Mainboard %s detected.\n", edev->id.sig);
+	printk(KERN_INFO "EISA: Mainboard %s detected.\n", edev->id.sig);
 
-	if (eisa_register_device (edev)) {
-		printk (KERN_ERR "EISA: Failed to register %s\n",
-			edev->id.sig);
-		eisa_release_resources (edev);
-		kfree (edev);
+	if (eisa_register_device(edev)) {
+		printk(KERN_ERR "EISA: Failed to register %s\n",
+		       edev->id.sig);
+		eisa_release_resources(edev);
+		kfree(edev);
 	}
 	
  force_probe:
 	
         for (c = 0, i = 1; i <= root->slots; i++) {
-		if (!(edev = kzalloc (sizeof (*edev), GFP_KERNEL))) {
-			printk (KERN_ERR "EISA: Out of memory for slot %d\n",
-				i);
+		edev = kzalloc(sizeof(*edev), GFP_KERNEL);
+		if (!edev) {
+			printk(KERN_ERR "EISA: Out of memory for slot %d\n", i);
 			continue;
 		}
 
-		if (eisa_request_resources (root, edev, i)) {
-			printk (KERN_WARNING \
-				"Cannot allocate resource for EISA slot %d\n",
-				i);
-			kfree (edev);
+		if (eisa_request_resources(root, edev, i)) {
+			printk(KERN_WARNING \
+			       "Cannot allocate resource for EISA slot %d\n",
+			       i);
+			kfree(edev);
 			continue;
 		}
 
-                if (eisa_init_device (root, edev, i)) {
-			eisa_release_resources (edev);
-			kfree (edev);
+		if (eisa_init_device(root, edev, i)) {
+			eisa_release_resources(edev);
+			kfree(edev);
 			continue;
 		}
 		
-		printk (KERN_INFO "EISA: slot %d : %s detected",
-			i, edev->id.sig);
+		printk(KERN_INFO "EISA: slot %d : %s detected",
+		       i, edev->id.sig);
 			
 		switch (edev->state) {
 		case EISA_CONFIG_ENABLED | EISA_CONFIG_FORCED:
-			printk (" (forced enabled)");
+			printk(" (forced enabled)");
 			break;
 
 		case EISA_CONFIG_FORCED:
-			printk (" (forced disabled)");
+			printk(" (forced disabled)");
 			break;
 
 		case 0:
-			printk (" (disabled)");
+			printk(" (disabled)");
 			break;
 		}
 			
@@ -381,15 +397,15 @@ static int __init eisa_probe (struct eisa_root_device *root)
 
 		c++;
 
-		if (eisa_register_device (edev)) {
-			printk (KERN_ERR "EISA: Failed to register %s\n",
-				edev->id.sig);
-			eisa_release_resources (edev);
-			kfree (edev);
+		if (eisa_register_device(edev)) {
+			printk(KERN_ERR "EISA: Failed to register %s\n",
+			       edev->id.sig);
+			eisa_release_resources(edev);
+			kfree(edev);
 		}
         }
 
-        printk (KERN_INFO "EISA: Detected %d card%s.\n", c, c == 1 ? "" : "s");
+	printk(KERN_INFO "EISA: Detected %d card%s.\n", c, c == 1 ? "" : "s");
 
 	return 0;
 }
@@ -403,7 +419,7 @@ static struct resource eisa_root_res = {
 
 static int eisa_bus_count;
 
-int __init eisa_root_register (struct eisa_root_device *root)
+int __init eisa_root_register(struct eisa_root_device *root)
 {
 	int err;
 
@@ -417,35 +433,35 @@ int __init eisa_root_register (struct eisa_root_device *root)
 	root->eisa_root_res.end   = root->res->end;
 	root->eisa_root_res.flags = IORESOURCE_BUSY;
 
-	if ((err = request_resource (&eisa_root_res, &root->eisa_root_res)))
+	err = request_resource(&eisa_root_res, &root->eisa_root_res);
+	if (err)
 		return err;
 	
 	root->bus_nr = eisa_bus_count++;
 
-	if ((err = eisa_probe (root)))
-		release_resource (&root->eisa_root_res);
+	err = eisa_probe(root);
+	if (err)
+		release_resource(&root->eisa_root_res);
 
 	return err;
 }
 
-static int __init eisa_init (void)
+static int __init eisa_init(void)
 {
 	int r;
 	
-	if ((r = bus_register (&eisa_bus_type)))
+	r = bus_register(&eisa_bus_type);
+	if (r)
 		return r;
 
-	printk (KERN_INFO "EISA bus registered\n");
+	printk(KERN_INFO "EISA bus registered\n");
 	return 0;
 }
 
 module_param_array(enable_dev, int, &enable_dev_count, 0444);
 module_param_array(disable_dev, int, &disable_dev_count, 0444);
 
-postcore_initcall (eisa_init);
+postcore_initcall(eisa_init);
 
 int EISA_bus;		/* for legacy drivers */
-EXPORT_SYMBOL (EISA_bus);
-EXPORT_SYMBOL (eisa_bus_type);
-EXPORT_SYMBOL (eisa_driver_register);
-EXPORT_SYMBOL (eisa_driver_unregister);
+EXPORT_SYMBOL(EISA_bus);
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index 4eeaed57e219..8be720b278b7 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -25,6 +25,7 @@
 #include <linux/firewire.h>
 #include <linux/firewire-cdev.h>
 #include <linux/idr.h>
+#include <linux/irqflags.h>
 #include <linux/jiffies.h>
 #include <linux/kernel.h>
 #include <linux/kref.h>
@@ -32,7 +33,6 @@
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/poll.h>
-#include <linux/preempt.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/string.h>
@@ -368,39 +368,56 @@ void fw_device_cdev_remove(struct fw_device *device)
 	for_each_client(device, wake_up_client);
 }
 
-static int ioctl_get_info(struct client *client, void *buffer)
+union ioctl_arg {
+	struct fw_cdev_get_info			get_info;
+	struct fw_cdev_send_request		send_request;
+	struct fw_cdev_allocate			allocate;
+	struct fw_cdev_deallocate		deallocate;
+	struct fw_cdev_send_response		send_response;
+	struct fw_cdev_initiate_bus_reset	initiate_bus_reset;
+	struct fw_cdev_add_descriptor		add_descriptor;
+	struct fw_cdev_remove_descriptor	remove_descriptor;
+	struct fw_cdev_create_iso_context	create_iso_context;
+	struct fw_cdev_queue_iso		queue_iso;
+	struct fw_cdev_start_iso		start_iso;
+	struct fw_cdev_stop_iso			stop_iso;
+	struct fw_cdev_get_cycle_timer		get_cycle_timer;
+	struct fw_cdev_allocate_iso_resource	allocate_iso_resource;
+	struct fw_cdev_send_stream_packet	send_stream_packet;
+	struct fw_cdev_get_cycle_timer2		get_cycle_timer2;
+};
+
+static int ioctl_get_info(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_get_info *get_info = buffer;
+	struct fw_cdev_get_info *a = &arg->get_info;
 	struct fw_cdev_event_bus_reset bus_reset;
 	unsigned long ret = 0;
 
-	client->version = get_info->version;
-	get_info->version = FW_CDEV_VERSION;
-	get_info->card = client->device->card->index;
+	client->version = a->version;
+	a->version = FW_CDEV_VERSION;
+	a->card = client->device->card->index;
 
 	down_read(&fw_device_rwsem);
 
-	if (get_info->rom != 0) {
-		void __user *uptr = u64_to_uptr(get_info->rom);
-		size_t want = get_info->rom_length;
+	if (a->rom != 0) {
+		size_t want = a->rom_length;
 		size_t have = client->device->config_rom_length * 4;
 
-		ret = copy_to_user(uptr, client->device->config_rom,
-				   min(want, have));
+		ret = copy_to_user(u64_to_uptr(a->rom),
+				   client->device->config_rom, min(want, have));
 	}
-	get_info->rom_length = client->device->config_rom_length * 4;
+	a->rom_length = client->device->config_rom_length * 4;
 
 	up_read(&fw_device_rwsem);
 
 	if (ret != 0)
 		return -EFAULT;
 
-	client->bus_reset_closure = get_info->bus_reset_closure;
-	if (get_info->bus_reset != 0) {
-		void __user *uptr = u64_to_uptr(get_info->bus_reset);
-
+	client->bus_reset_closure = a->bus_reset_closure;
+	if (a->bus_reset != 0) {
 		fill_bus_reset_event(&bus_reset, client);
-		if (copy_to_user(uptr, &bus_reset, sizeof(bus_reset)))
+		if (copy_to_user(u64_to_uptr(a->bus_reset),
+				 &bus_reset, sizeof(bus_reset)))
 			return -EFAULT;
 	}
 
@@ -571,11 +588,9 @@ static int init_request(struct client *client,
 	return ret;
 }
 
-static int ioctl_send_request(struct client *client, void *buffer)
+static int ioctl_send_request(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_send_request *request = buffer;
-
-	switch (request->tcode) {
+	switch (arg->send_request.tcode) {
 	case TCODE_WRITE_QUADLET_REQUEST:
 	case TCODE_WRITE_BLOCK_REQUEST:
 	case TCODE_READ_QUADLET_REQUEST:
@@ -592,7 +607,7 @@ static int ioctl_send_request(struct client *client, void *buffer)
 		return -EINVAL;
 	}
 
-	return init_request(client, request, client->device->node_id,
+	return init_request(client, &arg->send_request, client->device->node_id,
 			    client->device->max_speed);
 }
 
@@ -683,9 +698,9 @@ static void release_address_handler(struct client *client,
 	kfree(r);
 }
 
-static int ioctl_allocate(struct client *client, void *buffer)
+static int ioctl_allocate(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_allocate *request = buffer;
+	struct fw_cdev_allocate *a = &arg->allocate;
 	struct address_handler_resource *r;
 	struct fw_address_region region;
 	int ret;
@@ -694,13 +709,13 @@ static int ioctl_allocate(struct client *client, void *buffer)
 	if (r == NULL)
 		return -ENOMEM;
 
-	region.start = request->offset;
-	region.end = request->offset + request->length;
-	r->handler.length = request->length;
+	region.start = a->offset;
+	region.end   = a->offset + a->length;
+	r->handler.length           = a->length;
 	r->handler.address_callback = handle_request;
-	r->handler.callback_data = r;
-	r->closure = request->closure;
-	r->client = client;
+	r->handler.callback_data    = r;
+	r->closure   = a->closure;
+	r->client    = client;
 
 	ret = fw_core_add_address_handler(&r->handler, &region);
 	if (ret < 0) {
@@ -714,27 +729,25 @@ static int ioctl_allocate(struct client *client, void *buffer)
 		release_address_handler(client, &r->resource);
 		return ret;
 	}
-	request->handle = r->resource.handle;
+	a->handle = r->resource.handle;
 
 	return 0;
 }
 
-static int ioctl_deallocate(struct client *client, void *buffer)
+static int ioctl_deallocate(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_deallocate *request = buffer;
-
-	return release_client_resource(client, request->handle,
+	return release_client_resource(client, arg->deallocate.handle,
 				       release_address_handler, NULL);
 }
 
-static int ioctl_send_response(struct client *client, void *buffer)
+static int ioctl_send_response(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_send_response *request = buffer;
+	struct fw_cdev_send_response *a = &arg->send_response;
 	struct client_resource *resource;
 	struct inbound_transaction_resource *r;
 	int ret = 0;
 
-	if (release_client_resource(client, request->handle,
+	if (release_client_resource(client, a->handle,
 				    release_request, &resource) < 0)
 		return -EINVAL;
 
@@ -743,28 +756,24 @@ static int ioctl_send_response(struct client *client, void *buffer)
 	if (is_fcp_request(r->request))
 		goto out;
 
-	if (request->length < r->length)
-		r->length = request->length;
-	if (copy_from_user(r->data, u64_to_uptr(request->data), r->length)) {
+	if (a->length < r->length)
+		r->length = a->length;
+	if (copy_from_user(r->data, u64_to_uptr(a->data), r->length)) {
 		ret = -EFAULT;
 		kfree(r->request);
 		goto out;
 	}
-	fw_send_response(client->device->card, r->request, request->rcode);
+	fw_send_response(client->device->card, r->request, a->rcode);
  out:
 	kfree(r);
 
 	return ret;
 }
 
-static int ioctl_initiate_bus_reset(struct client *client, void *buffer)
+static int ioctl_initiate_bus_reset(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_initiate_bus_reset *request = buffer;
-	int short_reset;
-
-	short_reset = (request->type == FW_CDEV_SHORT_RESET);
-
-	return fw_core_initiate_bus_reset(client->device->card, short_reset);
+	return fw_core_initiate_bus_reset(client->device->card,
+			arg->initiate_bus_reset.type == FW_CDEV_SHORT_RESET);
 }
 
 static void release_descriptor(struct client *client,
@@ -777,9 +786,9 @@ static void release_descriptor(struct client *client,
 	kfree(r);
 }
 
-static int ioctl_add_descriptor(struct client *client, void *buffer)
+static int ioctl_add_descriptor(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_add_descriptor *request = buffer;
+	struct fw_cdev_add_descriptor *a = &arg->add_descriptor;
 	struct descriptor_resource *r;
 	int ret;
 
@@ -787,22 +796,21 @@ static int ioctl_add_descriptor(struct client *client, void *buffer)
 	if (!client->device->is_local)
 		return -ENOSYS;
 
-	if (request->length > 256)
+	if (a->length > 256)
 		return -EINVAL;
 
-	r = kmalloc(sizeof(*r) + request->length * 4, GFP_KERNEL);
+	r = kmalloc(sizeof(*r) + a->length * 4, GFP_KERNEL);
 	if (r == NULL)
 		return -ENOMEM;
 
-	if (copy_from_user(r->data,
-			   u64_to_uptr(request->data), request->length * 4)) {
+	if (copy_from_user(r->data, u64_to_uptr(a->data), a->length * 4)) {
 		ret = -EFAULT;
 		goto failed;
 	}
 
-	r->descriptor.length    = request->length;
-	r->descriptor.immediate = request->immediate;
-	r->descriptor.key       = request->key;
+	r->descriptor.length    = a->length;
+	r->descriptor.immediate = a->immediate;
+	r->descriptor.key       = a->key;
 	r->descriptor.data      = r->data;
 
 	ret = fw_core_add_descriptor(&r->descriptor);
@@ -815,7 +823,7 @@ static int ioctl_add_descriptor(struct client *client, void *buffer)
 		fw_core_remove_descriptor(&r->descriptor);
 		goto failed;
 	}
-	request->handle = r->resource.handle;
+	a->handle = r->resource.handle;
 
 	return 0;
  failed:
@@ -824,11 +832,9 @@ static int ioctl_add_descriptor(struct client *client, void *buffer)
 	return ret;
 }
 
-static int ioctl_remove_descriptor(struct client *client, void *buffer)
+static int ioctl_remove_descriptor(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_remove_descriptor *request = buffer;
-
-	return release_client_resource(client, request->handle,
+	return release_client_resource(client, arg->remove_descriptor.handle,
 				       release_descriptor, NULL);
 }
 
@@ -851,49 +857,44 @@ static void iso_callback(struct fw_iso_context *context, u32 cycle,
 		    sizeof(e->interrupt) + header_length, NULL, 0);
 }
 
-static int ioctl_create_iso_context(struct client *client, void *buffer)
+static int ioctl_create_iso_context(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_create_iso_context *request = buffer;
+	struct fw_cdev_create_iso_context *a = &arg->create_iso_context;
 	struct fw_iso_context *context;
 
 	/* We only support one context at this time. */
 	if (client->iso_context != NULL)
 		return -EBUSY;
 
-	if (request->channel > 63)
+	if (a->channel > 63)
 		return -EINVAL;
 
-	switch (request->type) {
+	switch (a->type) {
 	case FW_ISO_CONTEXT_RECEIVE:
-		if (request->header_size < 4 || (request->header_size & 3))
+		if (a->header_size < 4 || (a->header_size & 3))
 			return -EINVAL;
-
 		break;
 
 	case FW_ISO_CONTEXT_TRANSMIT:
-		if (request->speed > SCODE_3200)
+		if (a->speed > SCODE_3200)
 			return -EINVAL;
-
 		break;
 
 	default:
 		return -EINVAL;
 	}
 
-	context =  fw_iso_context_create(client->device->card,
-					 request->type,
-					 request->channel,
-					 request->speed,
-					 request->header_size,
-					 iso_callback, client);
+	context = fw_iso_context_create(client->device->card, a->type,
+					a->channel, a->speed, a->header_size,
+					iso_callback, client);
 	if (IS_ERR(context))
 		return PTR_ERR(context);
 
-	client->iso_closure = request->closure;
+	client->iso_closure = a->closure;
 	client->iso_context = context;
 
 	/* We only support one context at this time. */
-	request->handle = 0;
+	a->handle = 0;
 
 	return 0;
 }
@@ -906,9 +907,9 @@ static int ioctl_create_iso_context(struct client *client, void *buffer)
 #define GET_SY(v)		(((v) >> 20) & 0x0f)
 #define GET_HEADER_LENGTH(v)	(((v) >> 24) & 0xff)
 
-static int ioctl_queue_iso(struct client *client, void *buffer)
+static int ioctl_queue_iso(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_queue_iso *request = buffer;
+	struct fw_cdev_queue_iso *a = &arg->queue_iso;
 	struct fw_cdev_iso_packet __user *p, *end, *next;
 	struct fw_iso_context *ctx = client->iso_context;
 	unsigned long payload, buffer_end, header_length;
@@ -919,7 +920,7 @@ static int ioctl_queue_iso(struct client *client, void *buffer)
 		u8 header[256];
 	} u;
 
-	if (ctx == NULL || request->handle != 0)
+	if (ctx == NULL || a->handle != 0)
 		return -EINVAL;
 
 	/*
@@ -929,23 +930,23 @@ static int ioctl_queue_iso(struct client *client, void *buffer)
 	 * set them both to 0, which will still let packets with
 	 * payload_length == 0 through.  In other words, if no packets
 	 * use the indirect payload, the iso buffer need not be mapped
-	 * and the request->data pointer is ignored.
+	 * and the a->data pointer is ignored.
 	 */
 
-	payload = (unsigned long)request->data - client->vm_start;
+	payload = (unsigned long)a->data - client->vm_start;
 	buffer_end = client->buffer.page_count << PAGE_SHIFT;
-	if (request->data == 0 || client->buffer.pages == NULL ||
+	if (a->data == 0 || client->buffer.pages == NULL ||
 	    payload >= buffer_end) {
 		payload = 0;
 		buffer_end = 0;
 	}
 
-	p = (struct fw_cdev_iso_packet __user *)u64_to_uptr(request->packets);
+	p = (struct fw_cdev_iso_packet __user *)u64_to_uptr(a->packets);
 
-	if (!access_ok(VERIFY_READ, p, request->size))
+	if (!access_ok(VERIFY_READ, p, a->size))
 		return -EFAULT;
 
-	end = (void __user *)p + request->size;
+	end = (void __user *)p + a->size;
 	count = 0;
 	while (p < end) {
 		if (get_user(control, &p->control))
@@ -995,61 +996,78 @@ static int ioctl_queue_iso(struct client *client, void *buffer)
 		count++;
 	}
 
-	request->size    -= uptr_to_u64(p) - request->packets;
-	request->packets  = uptr_to_u64(p);
-	request->data     = client->vm_start + payload;
+	a->size    -= uptr_to_u64(p) - a->packets;
+	a->packets  = uptr_to_u64(p);
+	a->data     = client->vm_start + payload;
 
 	return count;
 }
 
-static int ioctl_start_iso(struct client *client, void *buffer)
+static int ioctl_start_iso(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_start_iso *request = buffer;
+	struct fw_cdev_start_iso *a = &arg->start_iso;
 
-	if (client->iso_context == NULL || request->handle != 0)
+	if (client->iso_context == NULL || a->handle != 0)
 		return -EINVAL;
 
-	if (client->iso_context->type == FW_ISO_CONTEXT_RECEIVE) {
-		if (request->tags == 0 || request->tags > 15)
-			return -EINVAL;
-
-		if (request->sync > 15)
-			return -EINVAL;
-	}
+	if (client->iso_context->type == FW_ISO_CONTEXT_RECEIVE &&
+	    (a->tags == 0 || a->tags > 15 || a->sync > 15))
+		return -EINVAL;
 
-	return fw_iso_context_start(client->iso_context, request->cycle,
-				    request->sync, request->tags);
+	return fw_iso_context_start(client->iso_context,
+				    a->cycle, a->sync, a->tags);
 }
 
-static int ioctl_stop_iso(struct client *client, void *buffer)
+static int ioctl_stop_iso(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_stop_iso *request = buffer;
+	struct fw_cdev_stop_iso *a = &arg->stop_iso;
 
-	if (client->iso_context == NULL || request->handle != 0)
+	if (client->iso_context == NULL || a->handle != 0)
 		return -EINVAL;
 
 	return fw_iso_context_stop(client->iso_context);
 }
 
-static int ioctl_get_cycle_timer(struct client *client, void *buffer)
+static int ioctl_get_cycle_timer2(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_get_cycle_timer *request = buffer;
+	struct fw_cdev_get_cycle_timer2 *a = &arg->get_cycle_timer2;
 	struct fw_card *card = client->device->card;
-	unsigned long long bus_time;
-	struct timeval tv;
-	unsigned long flags;
+	struct timespec ts = {0, 0};
+	u32 cycle_time;
+	int ret = 0;
+
+	local_irq_disable();
+
+	cycle_time = card->driver->get_cycle_time(card);
 
-	preempt_disable();
-	local_irq_save(flags);
+	switch (a->clk_id) {
+	case CLOCK_REALTIME:      getnstimeofday(&ts);                   break;
+	case CLOCK_MONOTONIC:     do_posix_clock_monotonic_gettime(&ts); break;
+	case CLOCK_MONOTONIC_RAW: getrawmonotonic(&ts);                  break;
+	default:
+		ret = -EINVAL;
+	}
 
-	bus_time = card->driver->get_bus_time(card);
-	do_gettimeofday(&tv);
+	local_irq_enable();
 
-	local_irq_restore(flags);
-	preempt_enable();
+	a->tv_sec      = ts.tv_sec;
+	a->tv_nsec     = ts.tv_nsec;
+	a->cycle_timer = cycle_time;
+
+	return ret;
+}
+
+static int ioctl_get_cycle_timer(struct client *client, union ioctl_arg *arg)
+{
+	struct fw_cdev_get_cycle_timer *a = &arg->get_cycle_timer;
+	struct fw_cdev_get_cycle_timer2 ct2;
+
+	ct2.clk_id = CLOCK_REALTIME;
+	ioctl_get_cycle_timer2(client, (union ioctl_arg *)&ct2);
+
+	a->local_time = ct2.tv_sec * USEC_PER_SEC + ct2.tv_nsec / NSEC_PER_USEC;
+	a->cycle_timer = ct2.cycle_timer;
 
-	request->local_time = tv.tv_sec * 1000000ULL + tv.tv_usec;
-	request->cycle_timer = bus_time & 0xffffffff;
 	return 0;
 }
 
@@ -1220,33 +1238,32 @@ static int init_iso_resource(struct client *client,
 	return ret;
 }
 
-static int ioctl_allocate_iso_resource(struct client *client, void *buffer)
+static int ioctl_allocate_iso_resource(struct client *client,
+				       union ioctl_arg *arg)
 {
-	struct fw_cdev_allocate_iso_resource *request = buffer;
-
-	return init_iso_resource(client, request, ISO_RES_ALLOC);
+	return init_iso_resource(client,
+			&arg->allocate_iso_resource, ISO_RES_ALLOC);
 }
 
-static int ioctl_deallocate_iso_resource(struct client *client, void *buffer)
+static int ioctl_deallocate_iso_resource(struct client *client,
+					 union ioctl_arg *arg)
 {
-	struct fw_cdev_deallocate *request = buffer;
-
-	return release_client_resource(client, request->handle,
-				       release_iso_resource, NULL);
+	return release_client_resource(client,
+			arg->deallocate.handle, release_iso_resource, NULL);
 }
 
-static int ioctl_allocate_iso_resource_once(struct client *client, void *buffer)
+static int ioctl_allocate_iso_resource_once(struct client *client,
+					    union ioctl_arg *arg)
 {
-	struct fw_cdev_allocate_iso_resource *request = buffer;
-
-	return init_iso_resource(client, request, ISO_RES_ALLOC_ONCE);
+	return init_iso_resource(client,
+			&arg->allocate_iso_resource, ISO_RES_ALLOC_ONCE);
 }
 
-static int ioctl_deallocate_iso_resource_once(struct client *client, void *buffer)
+static int ioctl_deallocate_iso_resource_once(struct client *client,
+					      union ioctl_arg *arg)
 {
-	struct fw_cdev_allocate_iso_resource *request = buffer;
-
-	return init_iso_resource(client, request, ISO_RES_DEALLOC_ONCE);
+	return init_iso_resource(client,
+			&arg->allocate_iso_resource, ISO_RES_DEALLOC_ONCE);
 }
 
 /*
@@ -1254,16 +1271,17 @@ static int ioctl_deallocate_iso_resource_once(struct client *client, void *buffe
  * limited by the device's link speed, the local node's link speed,
  * and all PHY port speeds between the two links.
  */
-static int ioctl_get_speed(struct client *client, void *buffer)
+static int ioctl_get_speed(struct client *client, union ioctl_arg *arg)
 {
 	return client->device->max_speed;
 }
 
-static int ioctl_send_broadcast_request(struct client *client, void *buffer)
+static int ioctl_send_broadcast_request(struct client *client,
+					union ioctl_arg *arg)
 {
-	struct fw_cdev_send_request *request = buffer;
+	struct fw_cdev_send_request *a = &arg->send_request;
 
-	switch (request->tcode) {
+	switch (a->tcode) {
 	case TCODE_WRITE_QUADLET_REQUEST:
 	case TCODE_WRITE_BLOCK_REQUEST:
 		break;
@@ -1272,36 +1290,36 @@ static int ioctl_send_broadcast_request(struct client *client, void *buffer)
 	}
 
 	/* Security policy: Only allow accesses to Units Space. */
-	if (request->offset < CSR_REGISTER_BASE + CSR_CONFIG_ROM_END)
+	if (a->offset < CSR_REGISTER_BASE + CSR_CONFIG_ROM_END)
 		return -EACCES;
 
-	return init_request(client, request, LOCAL_BUS | 0x3f, SCODE_100);
+	return init_request(client, a, LOCAL_BUS | 0x3f, SCODE_100);
 }
 
-static int ioctl_send_stream_packet(struct client *client, void *buffer)
+static int ioctl_send_stream_packet(struct client *client, union ioctl_arg *arg)
 {
-	struct fw_cdev_send_stream_packet *p = buffer;
+	struct fw_cdev_send_stream_packet *a = &arg->send_stream_packet;
 	struct fw_cdev_send_request request;
 	int dest;
 
-	if (p->speed > client->device->card->link_speed ||
-	    p->length > 1024 << p->speed)
+	if (a->speed > client->device->card->link_speed ||
+	    a->length > 1024 << a->speed)
 		return -EIO;
 
-	if (p->tag > 3 || p->channel > 63 || p->sy > 15)
+	if (a->tag > 3 || a->channel > 63 || a->sy > 15)
 		return -EINVAL;
 
-	dest = fw_stream_packet_destination_id(p->tag, p->channel, p->sy);
+	dest = fw_stream_packet_destination_id(a->tag, a->channel, a->sy);
 	request.tcode		= TCODE_STREAM_DATA;
-	request.length		= p->length;
-	request.closure		= p->closure;
-	request.data		= p->data;
-	request.generation	= p->generation;
+	request.length		= a->length;
+	request.closure		= a->closure;
+	request.data		= a->data;
+	request.generation	= a->generation;
 
-	return init_request(client, &request, dest, p->speed);
+	return init_request(client, &request, dest, a->speed);
 }
 
-static int (* const ioctl_handlers[])(struct client *client, void *buffer) = {
+static int (* const ioctl_handlers[])(struct client *, union ioctl_arg *) = {
 	ioctl_get_info,
 	ioctl_send_request,
 	ioctl_allocate,
@@ -1322,47 +1340,35 @@ static int (* const ioctl_handlers[])(struct client *client, void *buffer) = {
 	ioctl_get_speed,
 	ioctl_send_broadcast_request,
 	ioctl_send_stream_packet,
+	ioctl_get_cycle_timer2,
 };
 
 static int dispatch_ioctl(struct client *client,
 			  unsigned int cmd, void __user *arg)
 {
-	char buffer[sizeof(union {
-		struct fw_cdev_get_info			_00;
-		struct fw_cdev_send_request		_01;
-		struct fw_cdev_allocate			_02;
-		struct fw_cdev_deallocate		_03;
-		struct fw_cdev_send_response		_04;
-		struct fw_cdev_initiate_bus_reset	_05;
-		struct fw_cdev_add_descriptor		_06;
-		struct fw_cdev_remove_descriptor	_07;
-		struct fw_cdev_create_iso_context	_08;
-		struct fw_cdev_queue_iso		_09;
-		struct fw_cdev_start_iso		_0a;
-		struct fw_cdev_stop_iso			_0b;
-		struct fw_cdev_get_cycle_timer		_0c;
-		struct fw_cdev_allocate_iso_resource	_0d;
-		struct fw_cdev_send_stream_packet	_13;
-	})];
+	union ioctl_arg buffer;
 	int ret;
 
+	if (fw_device_is_shutdown(client->device))
+		return -ENODEV;
+
 	if (_IOC_TYPE(cmd) != '#' ||
 	    _IOC_NR(cmd) >= ARRAY_SIZE(ioctl_handlers))
 		return -EINVAL;
 
 	if (_IOC_DIR(cmd) & _IOC_WRITE) {
 		if (_IOC_SIZE(cmd) > sizeof(buffer) ||
-		    copy_from_user(buffer, arg, _IOC_SIZE(cmd)))
+		    copy_from_user(&buffer, arg, _IOC_SIZE(cmd)))
 			return -EFAULT;
 	}
 
-	ret = ioctl_handlers[_IOC_NR(cmd)](client, buffer);
+	ret = ioctl_handlers[_IOC_NR(cmd)](client, &buffer);
 	if (ret < 0)
 		return ret;
 
 	if (_IOC_DIR(cmd) & _IOC_READ) {
 		if (_IOC_SIZE(cmd) > sizeof(buffer) ||
-		    copy_to_user(arg, buffer, _IOC_SIZE(cmd)))
+		    copy_to_user(arg, &buffer, _IOC_SIZE(cmd)))
 			return -EFAULT;
 	}
 
@@ -1372,24 +1378,14 @@ static int dispatch_ioctl(struct client *client,
 static long fw_device_op_ioctl(struct file *file,
 			       unsigned int cmd, unsigned long arg)
 {
-	struct client *client = file->private_data;
-
-	if (fw_device_is_shutdown(client->device))
-		return -ENODEV;
-
-	return dispatch_ioctl(client, cmd, (void __user *) arg);
+	return dispatch_ioctl(file->private_data, cmd, (void __user *)arg);
 }
 
 #ifdef CONFIG_COMPAT
 static long fw_device_op_compat_ioctl(struct file *file,
 				      unsigned int cmd, unsigned long arg)
 {
-	struct client *client = file->private_data;
-
-	if (fw_device_is_shutdown(client->device))
-		return -ENODEV;
-
-	return dispatch_ioctl(client, cmd, compat_ptr(arg));
+	return dispatch_ioctl(file->private_data, cmd, compat_ptr(arg));
 }
 #endif
 
diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c
index 9d0dfcbe2c1c..882472d1e144 100644
--- a/drivers/firewire/core-device.c
+++ b/drivers/firewire/core-device.c
@@ -18,6 +18,7 @@
  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
+#include <linux/bug.h>
 #include <linux/ctype.h>
 #include <linux/delay.h>
 #include <linux/device.h>
@@ -32,7 +33,6 @@
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/rwsem.h>
-#include <linux/semaphore.h>
 #include <linux/spinlock.h>
 #include <linux/string.h>
 #include <linux/workqueue.h>
@@ -43,7 +43,7 @@
 
 #include "core.h"
 
-void fw_csr_iterator_init(struct fw_csr_iterator *ci, u32 * p)
+void fw_csr_iterator_init(struct fw_csr_iterator *ci, const u32 *p)
 {
 	ci->p = p + 1;
 	ci->end = ci->p + (p[0] >> 16);
@@ -59,97 +59,141 @@ int fw_csr_iterator_next(struct fw_csr_iterator *ci, int *key, int *value)
 }
 EXPORT_SYMBOL(fw_csr_iterator_next);
 
-static bool is_fw_unit(struct device *dev);
-
-static int match_unit_directory(u32 *directory, u32 match_flags,
-				const struct ieee1394_device_id *id)
+static const u32 *search_leaf(const u32 *directory, int search_key)
 {
 	struct fw_csr_iterator ci;
-	int key, value, match;
+	int last_key = 0, key, value;
 
-	match = 0;
 	fw_csr_iterator_init(&ci, directory);
 	while (fw_csr_iterator_next(&ci, &key, &value)) {
-		if (key == CSR_VENDOR && value == id->vendor_id)
-			match |= IEEE1394_MATCH_VENDOR_ID;
-		if (key == CSR_MODEL && value == id->model_id)
-			match |= IEEE1394_MATCH_MODEL_ID;
-		if (key == CSR_SPECIFIER_ID && value == id->specifier_id)
-			match |= IEEE1394_MATCH_SPECIFIER_ID;
-		if (key == CSR_VERSION && value == id->version)
-			match |= IEEE1394_MATCH_VERSION;
+		if (last_key == search_key &&
+		    key == (CSR_DESCRIPTOR | CSR_LEAF))
+			return ci.p - 1 + value;
+
+		last_key = key;
 	}
 
-	return (match & match_flags) == match_flags;
+	return NULL;
 }
 
-static int fw_unit_match(struct device *dev, struct device_driver *drv)
+static int textual_leaf_to_string(const u32 *block, char *buf, size_t size)
 {
-	struct fw_unit *unit = fw_unit(dev);
-	struct fw_device *device;
-	const struct ieee1394_device_id *id;
-
-	/* We only allow binding to fw_units. */
-	if (!is_fw_unit(dev))
-		return 0;
+	unsigned int quadlets, i;
+	char c;
 
-	device = fw_parent_device(unit);
-	id = container_of(drv, struct fw_driver, driver)->id_table;
+	if (!size || !buf)
+		return -EINVAL;
 
-	for (; id->match_flags != 0; id++) {
-		if (match_unit_directory(unit->directory, id->match_flags, id))
-			return 1;
+	quadlets = min(block[0] >> 16, 256U);
+	if (quadlets < 2)
+		return -ENODATA;
 
-		/* Also check vendor ID in the root directory. */
-		if ((id->match_flags & IEEE1394_MATCH_VENDOR_ID) &&
-		    match_unit_directory(&device->config_rom[5],
-				IEEE1394_MATCH_VENDOR_ID, id) &&
-		    match_unit_directory(unit->directory, id->match_flags
-				& ~IEEE1394_MATCH_VENDOR_ID, id))
-			return 1;
+	if (block[1] != 0 || block[2] != 0)
+		/* unknown language/character set */
+		return -ENODATA;
+
+	block += 3;
+	quadlets -= 2;
+	for (i = 0; i < quadlets * 4 && i < size - 1; i++) {
+		c = block[i / 4] >> (24 - 8 * (i % 4));
+		if (c == '\0')
+			break;
+		buf[i] = c;
 	}
+	buf[i] = '\0';
 
-	return 0;
+	return i;
 }
 
-static int get_modalias(struct fw_unit *unit, char *buffer, size_t buffer_size)
+/**
+ * fw_csr_string - reads a string from the configuration ROM
+ * @directory: e.g. root directory or unit directory
+ * @key: the key of the preceding directory entry
+ * @buf: where to put the string
+ * @size: size of @buf, in bytes
+ *
+ * The string is taken from a minimal ASCII text descriptor leaf after
+ * the immediate entry with @key.  The string is zero-terminated.
+ * Returns strlen(buf) or a negative error code.
+ */
+int fw_csr_string(const u32 *directory, int key, char *buf, size_t size)
 {
-	struct fw_device *device = fw_parent_device(unit);
-	struct fw_csr_iterator ci;
+	const u32 *leaf = search_leaf(directory, key);
+	if (!leaf)
+		return -ENOENT;
+
+	return textual_leaf_to_string(leaf, buf, size);
+}
+EXPORT_SYMBOL(fw_csr_string);
 
+static void get_ids(const u32 *directory, int *id)
+{
+	struct fw_csr_iterator ci;
 	int key, value;
-	int vendor = 0;
-	int model = 0;
-	int specifier_id = 0;
-	int version = 0;
 
-	fw_csr_iterator_init(&ci, &device->config_rom[5]);
+	fw_csr_iterator_init(&ci, directory);
 	while (fw_csr_iterator_next(&ci, &key, &value)) {
 		switch (key) {
-		case CSR_VENDOR:
-			vendor = value;
-			break;
-		case CSR_MODEL:
-			model = value;
-			break;
+		case CSR_VENDOR:	id[0] = value; break;
+		case CSR_MODEL:		id[1] = value; break;
+		case CSR_SPECIFIER_ID:	id[2] = value; break;
+		case CSR_VERSION:	id[3] = value; break;
 		}
 	}
+}
 
-	fw_csr_iterator_init(&ci, unit->directory);
-	while (fw_csr_iterator_next(&ci, &key, &value)) {
-		switch (key) {
-		case CSR_SPECIFIER_ID:
-			specifier_id = value;
-			break;
-		case CSR_VERSION:
-			version = value;
-			break;
-		}
-	}
+static void get_modalias_ids(struct fw_unit *unit, int *id)
+{
+	get_ids(&fw_parent_device(unit)->config_rom[5], id);
+	get_ids(unit->directory, id);
+}
+
+static bool match_ids(const struct ieee1394_device_id *id_table, int *id)
+{
+	int match = 0;
+
+	if (id[0] == id_table->vendor_id)
+		match |= IEEE1394_MATCH_VENDOR_ID;
+	if (id[1] == id_table->model_id)
+		match |= IEEE1394_MATCH_MODEL_ID;
+	if (id[2] == id_table->specifier_id)
+		match |= IEEE1394_MATCH_SPECIFIER_ID;
+	if (id[3] == id_table->version)
+		match |= IEEE1394_MATCH_VERSION;
+
+	return (match & id_table->match_flags) == id_table->match_flags;
+}
+
+static bool is_fw_unit(struct device *dev);
+
+static int fw_unit_match(struct device *dev, struct device_driver *drv)
+{
+	const struct ieee1394_device_id *id_table =
+			container_of(drv, struct fw_driver, driver)->id_table;
+	int id[] = {0, 0, 0, 0};
+
+	/* We only allow binding to fw_units. */
+	if (!is_fw_unit(dev))
+		return 0;
+
+	get_modalias_ids(fw_unit(dev), id);
+
+	for (; id_table->match_flags != 0; id_table++)
+		if (match_ids(id_table, id))
+			return 1;
+
+	return 0;
+}
+
+static int get_modalias(struct fw_unit *unit, char *buffer, size_t buffer_size)
+{
+	int id[] = {0, 0, 0, 0};
+
+	get_modalias_ids(unit, id);
 
 	return snprintf(buffer, buffer_size,
 			"ieee1394:ven%08Xmo%08Xsp%08Xver%08X",
-			vendor, model, specifier_id, version);
+			id[0], id[1], id[2], id[3]);
 }
 
 static int fw_unit_uevent(struct device *dev, struct kobj_uevent_env *env)
@@ -195,7 +239,7 @@ static ssize_t show_immediate(struct device *dev,
 	struct config_rom_attribute *attr =
 		container_of(dattr, struct config_rom_attribute, attr);
 	struct fw_csr_iterator ci;
-	u32 *dir;
+	const u32 *dir;
 	int key, value, ret = -ENOENT;
 
 	down_read(&fw_device_rwsem);
@@ -226,10 +270,10 @@ static ssize_t show_text_leaf(struct device *dev,
 {
 	struct config_rom_attribute *attr =
 		container_of(dattr, struct config_rom_attribute, attr);
-	struct fw_csr_iterator ci;
-	u32 *dir, *block = NULL, *p, *end;
-	int length, key, value, last_key = 0, ret = -ENOENT;
-	char *b;
+	const u32 *dir;
+	size_t bufsize;
+	char dummy_buf[2];
+	int ret;
 
 	down_read(&fw_device_rwsem);
 
@@ -238,40 +282,23 @@ static ssize_t show_text_leaf(struct device *dev,
 	else
 		dir = fw_device(dev)->config_rom + 5;
 
-	fw_csr_iterator_init(&ci, dir);
-	while (fw_csr_iterator_next(&ci, &key, &value)) {
-		if (attr->key == last_key &&
-		    key == (CSR_DESCRIPTOR | CSR_LEAF))
-			block = ci.p - 1 + value;
-		last_key = key;
+	if (buf) {
+		bufsize = PAGE_SIZE - 1;
+	} else {
+		buf = dummy_buf;
+		bufsize = 1;
 	}
 
-	if (block == NULL)
-		goto out;
-
-	length = min(block[0] >> 16, 256U);
-	if (length < 3)
-		goto out;
-
-	if (block[1] != 0 || block[2] != 0)
-		/* Unknown encoding. */
-		goto out;
+	ret = fw_csr_string(dir, attr->key, buf, bufsize);
 
-	if (buf == NULL) {
-		ret = length * 4;
-		goto out;
+	if (ret >= 0) {
+		/* Strip trailing whitespace and add newline. */
+		while (ret > 0 && isspace(buf[ret - 1]))
+			ret--;
+		strcpy(buf + ret, "\n");
+		ret++;
 	}
 
-	b = buf;
-	end = &block[length + 1];
-	for (p = &block[3]; p < end; p++, b += 4)
-		* (u32 *) b = (__force u32) __cpu_to_be32(*p);
-
-	/* Strip trailing whitespace and add newline. */
-	while (b--, (isspace(*b) || *b == '\0') && b > buf);
-	strcpy(b + 1, "\n");
-	ret = b + 2 - buf;
- out:
 	up_read(&fw_device_rwsem);
 
 	return ret;
@@ -371,7 +398,7 @@ static ssize_t guid_show(struct device *dev,
 	return ret;
 }
 
-static int units_sprintf(char *buf, u32 *directory)
+static int units_sprintf(char *buf, const u32 *directory)
 {
 	struct fw_csr_iterator ci;
 	int key, value;
@@ -441,28 +468,29 @@ static int read_rom(struct fw_device *device,
 	return rcode;
 }
 
-#define READ_BIB_ROM_SIZE	256
-#define READ_BIB_STACK_SIZE	16
+#define MAX_CONFIG_ROM_SIZE 256
 
 /*
  * Read the bus info block, perform a speed probe, and read all of the rest of
  * the config ROM.  We do all this with a cached bus generation.  If the bus
- * generation changes under us, read_bus_info_block will fail and get retried.
+ * generation changes under us, read_config_rom will fail and get retried.
  * It's better to start all over in this case because the node from which we
  * are reading the ROM may have changed the ROM during the reset.
  */
-static int read_bus_info_block(struct fw_device *device, int generation)
+static int read_config_rom(struct fw_device *device, int generation)
 {
-	u32 *rom, *stack, *old_rom, *new_rom;
+	const u32 *old_rom, *new_rom;
+	u32 *rom, *stack;
 	u32 sp, key;
 	int i, end, length, ret = -1;
 
-	rom = kmalloc(sizeof(*rom) * READ_BIB_ROM_SIZE +
-		      sizeof(*stack) * READ_BIB_STACK_SIZE, GFP_KERNEL);
+	rom = kmalloc(sizeof(*rom) * MAX_CONFIG_ROM_SIZE +
+		      sizeof(*stack) * MAX_CONFIG_ROM_SIZE, GFP_KERNEL);
 	if (rom == NULL)
 		return -ENOMEM;
 
-	stack = &rom[READ_BIB_ROM_SIZE];
+	stack = &rom[MAX_CONFIG_ROM_SIZE];
+	memset(rom, 0, sizeof(*rom) * MAX_CONFIG_ROM_SIZE);
 
 	device->max_speed = SCODE_100;
 
@@ -529,40 +557,54 @@ static int read_bus_info_block(struct fw_device *device, int generation)
 		 */
 		key = stack[--sp];
 		i = key & 0xffffff;
-		if (i >= READ_BIB_ROM_SIZE)
-			/*
-			 * The reference points outside the standard
-			 * config rom area, something's fishy.
-			 */
+		if (WARN_ON(i >= MAX_CONFIG_ROM_SIZE))
 			goto out;
 
 		/* Read header quadlet for the block to get the length. */
 		if (read_rom(device, generation, i, &rom[i]) != RCODE_COMPLETE)
 			goto out;
 		end = i + (rom[i] >> 16) + 1;
-		i++;
-		if (end > READ_BIB_ROM_SIZE)
+		if (end > MAX_CONFIG_ROM_SIZE) {
 			/*
-			 * This block extends outside standard config
-			 * area (and the array we're reading it
-			 * into).  That's broken, so ignore this
-			 * device.
+			 * This block extends outside the config ROM which is
+			 * a firmware bug.  Ignore this whole block, i.e.
+			 * simply set a fake block length of 0.
 			 */
-			goto out;
+			fw_error("skipped invalid ROM block %x at %llx\n",
+				 rom[i],
+				 i * 4 | CSR_REGISTER_BASE | CSR_CONFIG_ROM);
+			rom[i] = 0;
+			end = i;
+		}
+		i++;
 
 		/*
 		 * Now read in the block.  If this is a directory
 		 * block, check the entries as we read them to see if
 		 * it references another block, and push it in that case.
 		 */
-		while (i < end) {
+		for (; i < end; i++) {
 			if (read_rom(device, generation, i, &rom[i]) !=
 			    RCODE_COMPLETE)
 				goto out;
-			if ((key >> 30) == 3 && (rom[i] >> 30) > 1 &&
-			    sp < READ_BIB_STACK_SIZE)
-				stack[sp++] = i + rom[i];
-			i++;
+
+			if ((key >> 30) != 3 || (rom[i] >> 30) < 2)
+				continue;
+			/*
+			 * Offset points outside the ROM.  May be a firmware
+			 * bug or an Extended ROM entry (IEEE 1212-2001 clause
+			 * 7.7.18).  Simply overwrite this pointer here by a
+			 * fake immediate entry so that later iterators over
+			 * the ROM don't have to check offsets all the time.
+			 */
+			if (i + (rom[i] & 0xffffff) >= MAX_CONFIG_ROM_SIZE) {
+				fw_error("skipped unsupported ROM entry %x at %llx\n",
+					 rom[i],
+					 i * 4 | CSR_REGISTER_BASE | CSR_CONFIG_ROM);
+				rom[i] = 0;
+				continue;
+			}
+			stack[sp++] = i + rom[i];
 		}
 		if (length < i)
 			length = i;
@@ -762,9 +804,9 @@ static int update_unit(struct device *dev, void *data)
 	struct fw_driver *driver = (struct fw_driver *)dev->driver;
 
 	if (is_fw_unit(dev) && driver != NULL && driver->update != NULL) {
-		down(&dev->sem);
+		device_lock(dev);
 		driver->update(unit);
-		up(&dev->sem);
+		device_unlock(dev);
 	}
 
 	return 0;
@@ -905,7 +947,7 @@ static void fw_device_init(struct work_struct *work)
 	 * device.
 	 */
 
-	if (read_bus_info_block(device, device->generation) < 0) {
+	if (read_config_rom(device, device->generation) < 0) {
 		if (device->config_rom_retries < MAX_RETRIES &&
 		    atomic_read(&device->state) == FW_DEVICE_INITIALIZING) {
 			device->config_rom_retries++;
@@ -1022,7 +1064,7 @@ enum {
 };
 
 /* Reread and compare bus info block and header of root directory */
-static int reread_bus_info_block(struct fw_device *device, int generation)
+static int reread_config_rom(struct fw_device *device, int generation)
 {
 	u32 q;
 	int i;
@@ -1048,7 +1090,7 @@ static void fw_device_refresh(struct work_struct *work)
 	struct fw_card *card = device->card;
 	int node_id = device->node_id;
 
-	switch (reread_bus_info_block(device, device->generation)) {
+	switch (reread_config_rom(device, device->generation)) {
 	case REREAD_BIB_ERROR:
 		if (device->config_rom_retries < MAX_RETRIES / 2 &&
 		    atomic_read(&device->state) == FW_DEVICE_INITIALIZING) {
@@ -1082,7 +1124,7 @@ static void fw_device_refresh(struct work_struct *work)
 	 */
 	device_for_each_child(&device->device, NULL, shutdown_unit);
 
-	if (read_bus_info_block(device, device->generation) < 0) {
+	if (read_config_rom(device, device->generation) < 0) {
 		if (device->config_rom_retries < MAX_RETRIES &&
 		    atomic_read(&device->state) == FW_DEVICE_INITIALIZING) {
 			device->config_rom_retries++;
diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c
index 1c0b504a42f3..99c20f1b613a 100644
--- a/drivers/firewire/core-iso.c
+++ b/drivers/firewire/core-iso.c
@@ -331,8 +331,9 @@ void fw_iso_resource_manage(struct fw_card *card, int generation,
 	if (ret < 0)
 		*bandwidth = 0;
 
-	if (allocate && ret < 0 && c >= 0) {
-		deallocate_channel(card, irm_id, generation, c, buffer);
+	if (allocate && ret < 0) {
+		if (c >= 0)
+			deallocate_channel(card, irm_id, generation, c, buffer);
 		*channel = ret;
 	}
 }
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c
index 495849eb13cc..673b03f8b4ec 100644
--- a/drivers/firewire/core-transaction.c
+++ b/drivers/firewire/core-transaction.c
@@ -921,23 +921,15 @@ static void handle_registers(struct fw_card *card, struct fw_request *request,
 		void *payload, size_t length, void *callback_data)
 {
 	int reg = offset & ~CSR_REGISTER_BASE;
-	unsigned long long bus_time;
 	__be32 *data = payload;
 	int rcode = RCODE_COMPLETE;
 
 	switch (reg) {
 	case CSR_CYCLE_TIME:
-	case CSR_BUS_TIME:
-		if (!TCODE_IS_READ_REQUEST(tcode) || length != 4) {
-			rcode = RCODE_TYPE_ERROR;
-			break;
-		}
-
-		bus_time = card->driver->get_bus_time(card);
-		if (reg == CSR_CYCLE_TIME)
-			*data = cpu_to_be32(bus_time);
+		if (TCODE_IS_READ_REQUEST(tcode) && length == 4)
+			*data = cpu_to_be32(card->driver->get_cycle_time(card));
 		else
-			*data = cpu_to_be32(bus_time >> 25);
+			rcode = RCODE_TYPE_ERROR;
 		break;
 
 	case CSR_BROADCAST_CHANNEL:
@@ -968,6 +960,9 @@ static void handle_registers(struct fw_card *card, struct fw_request *request,
 	case CSR_BUSY_TIMEOUT:
 		/* FIXME: Implement this. */
 
+	case CSR_BUS_TIME:
+		/* Useless without initialization by the bus manager. */
+
 	default:
 		rcode = RCODE_ADDRESS_ERROR;
 		break;
diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h
index ed3b1a765c00..fb0321300cce 100644
--- a/drivers/firewire/core.h
+++ b/drivers/firewire/core.h
@@ -70,7 +70,7 @@ struct fw_card_driver {
 	int (*enable_phys_dma)(struct fw_card *card,
 			       int node_id, int generation);
 
-	u64 (*get_bus_time)(struct fw_card *card);
+	u32 (*get_cycle_time)(struct fw_card *card);
 
 	struct fw_iso_context *
 	(*allocate_iso_context)(struct fw_card *card,
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 43ebf337b131..e33917bf97d2 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -38,7 +38,6 @@
 #include <linux/spinlock.h>
 #include <linux/string.h>
 
-#include <asm/atomic.h>
 #include <asm/byteorder.h>
 #include <asm/page.h>
 #include <asm/system.h>
@@ -73,20 +72,6 @@ struct descriptor {
 	__le16 transfer_status;
 } __attribute__((aligned(16)));
 
-struct db_descriptor {
-	__le16 first_size;
-	__le16 control;
-	__le16 second_req_count;
-	__le16 first_req_count;
-	__le32 branch_address;
-	__le16 second_res_count;
-	__le16 first_res_count;
-	__le32 reserved0;
-	__le32 first_buffer;
-	__le32 second_buffer;
-	__le32 reserved1;
-} __attribute__((aligned(16)));
-
 #define CONTROL_SET(regs)	(regs)
 #define CONTROL_CLEAR(regs)	((regs) + 4)
 #define COMMAND_PTR(regs)	((regs) + 12)
@@ -181,31 +166,16 @@ struct fw_ohci {
 	struct fw_card card;
 
 	__iomem char *registers;
-	dma_addr_t self_id_bus;
-	__le32 *self_id_cpu;
-	struct tasklet_struct bus_reset_tasklet;
 	int node_id;
 	int generation;
 	int request_generation;	/* for timestamping incoming requests */
-	atomic_t bus_seconds;
-
-	bool use_dualbuffer;
-	bool old_uninorth;
-	bool bus_reset_packet_quirk;
+	unsigned quirks;
 
 	/*
 	 * Spinlock for accessing fw_ohci data.  Never call out of
 	 * this driver with this lock held.
 	 */
 	spinlock_t lock;
-	u32 self_id_buffer[512];
-
-	/* Config rom buffers */
-	__be32 *config_rom;
-	dma_addr_t config_rom_bus;
-	__be32 *next_config_rom;
-	dma_addr_t next_config_rom_bus;
-	__be32 next_header;
 
 	struct ar_context ar_request_ctx;
 	struct ar_context ar_response_ctx;
@@ -217,6 +187,18 @@ struct fw_ohci {
 	u64 ir_context_channels;
 	u32 ir_context_mask;
 	struct iso_context *ir_context_list;
+
+	__be32    *config_rom;
+	dma_addr_t config_rom_bus;
+	__be32    *next_config_rom;
+	dma_addr_t next_config_rom_bus;
+	__be32     next_header;
+
+	__le32    *self_id_cpu;
+	dma_addr_t self_id_bus;
+	struct tasklet_struct bus_reset_tasklet;
+
+	u32 self_id_buffer[512];
 };
 
 static inline struct fw_ohci *fw_ohci(struct fw_card *card)
@@ -249,6 +231,34 @@ static inline struct fw_ohci *fw_ohci(struct fw_card *card)
 
 static char ohci_driver_name[] = KBUILD_MODNAME;
 
+#define PCI_DEVICE_ID_TI_TSB12LV22	0x8009
+
+#define QUIRK_CYCLE_TIMER		1
+#define QUIRK_RESET_PACKET		2
+#define QUIRK_BE_HEADERS		4
+
+/* In case of multiple matches in ohci_quirks[], only the first one is used. */
+static const struct {
+	unsigned short vendor, device, flags;
+} ohci_quirks[] = {
+	{PCI_VENDOR_ID_TI,	PCI_DEVICE_ID_TI_TSB12LV22, QUIRK_CYCLE_TIMER |
+							    QUIRK_RESET_PACKET},
+	{PCI_VENDOR_ID_TI,	PCI_ANY_ID,	QUIRK_RESET_PACKET},
+	{PCI_VENDOR_ID_AL,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
+	{PCI_VENDOR_ID_NEC,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
+	{PCI_VENDOR_ID_VIA,	PCI_ANY_ID,	QUIRK_CYCLE_TIMER},
+	{PCI_VENDOR_ID_APPLE,	PCI_DEVICE_ID_APPLE_UNI_N_FW, QUIRK_BE_HEADERS},
+};
+
+/* This overrides anything that was found in ohci_quirks[]. */
+static int param_quirks;
+module_param_named(quirks, param_quirks, int, 0644);
+MODULE_PARM_DESC(quirks, "Chip quirks (default = 0"
+	", nonatomic cycle timer = "	__stringify(QUIRK_CYCLE_TIMER)
+	", reset packet generation = "	__stringify(QUIRK_RESET_PACKET)
+	", AR/selfID endianess = "	__stringify(QUIRK_BE_HEADERS)
+	")");
+
 #ifdef CONFIG_FIREWIRE_OHCI_DEBUG
 
 #define OHCI_PARAM_DEBUG_AT_AR		1
@@ -275,7 +285,7 @@ static void log_irqs(u32 evt)
 	    !(evt & OHCI1394_busReset))
 		return;
 
-	fw_notify("IRQ %08x%s%s%s%s%s%s%s%s%s%s%s%s%s%s\n", evt,
+	fw_notify("IRQ %08x%s%s%s%s%s%s%s%s%s%s%s%s%s\n", evt,
 	    evt & OHCI1394_selfIDComplete	? " selfID"		: "",
 	    evt & OHCI1394_RQPkt		? " AR_req"		: "",
 	    evt & OHCI1394_RSPkt		? " AR_resp"		: "",
@@ -285,7 +295,6 @@ static void log_irqs(u32 evt)
 	    evt & OHCI1394_isochTx		? " IT"			: "",
 	    evt & OHCI1394_postedWriteErr	? " postedWriteErr"	: "",
 	    evt & OHCI1394_cycleTooLong		? " cycleTooLong"	: "",
-	    evt & OHCI1394_cycle64Seconds	? " cycle64Seconds"	: "",
 	    evt & OHCI1394_cycleInconsistent	? " cycleInconsistent"	: "",
 	    evt & OHCI1394_regAccessFail	? " regAccessFail"	: "",
 	    evt & OHCI1394_busReset		? " busReset"		: "",
@@ -293,8 +302,7 @@ static void log_irqs(u32 evt)
 		    OHCI1394_RSPkt | OHCI1394_reqTxComplete |
 		    OHCI1394_respTxComplete | OHCI1394_isochRx |
 		    OHCI1394_isochTx | OHCI1394_postedWriteErr |
-		    OHCI1394_cycleTooLong | OHCI1394_cycle64Seconds |
-		    OHCI1394_cycleInconsistent |
+		    OHCI1394_cycleTooLong | OHCI1394_cycleInconsistent |
 		    OHCI1394_regAccessFail | OHCI1394_busReset)
 						? " ?"			: "");
 }
@@ -524,7 +532,7 @@ static void ar_context_release(struct ar_context *ctx)
 
 #if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)
 #define cond_le32_to_cpu(v) \
-	(ohci->old_uninorth ? (__force __u32)(v) : le32_to_cpu(v))
+	(ohci->quirks & QUIRK_BE_HEADERS ? (__force __u32)(v) : le32_to_cpu(v))
 #else
 #define cond_le32_to_cpu(v) le32_to_cpu(v)
 #endif
@@ -605,7 +613,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer)
 	 * at a slightly incorrect time (in bus_reset_tasklet).
 	 */
 	if (evt == OHCI1394_evt_bus_reset) {
-		if (!ohci->bus_reset_packet_quirk)
+		if (!(ohci->quirks & QUIRK_RESET_PACKET))
 			ohci->request_generation = (p.header[2] >> 16) & 0xff;
 	} else if (ctx == &ohci->ar_request_ctx) {
 		fw_core_handle_request(&ohci->card, &p);
@@ -1329,7 +1337,7 @@ static void bus_reset_tasklet(unsigned long data)
 	context_stop(&ohci->at_response_ctx);
 	reg_write(ohci, OHCI1394_IntEventClear, OHCI1394_busReset);
 
-	if (ohci->bus_reset_packet_quirk)
+	if (ohci->quirks & QUIRK_RESET_PACKET)
 		ohci->request_generation = generation;
 
 	/*
@@ -1384,7 +1392,7 @@ static void bus_reset_tasklet(unsigned long data)
 static irqreturn_t irq_handler(int irq, void *data)
 {
 	struct fw_ohci *ohci = data;
-	u32 event, iso_event, cycle_time;
+	u32 event, iso_event;
 	int i;
 
 	event = reg_read(ohci, OHCI1394_IntEventClear);
@@ -1454,12 +1462,6 @@ static irqreturn_t irq_handler(int irq, void *data)
 			fw_notify("isochronous cycle inconsistent\n");
 	}
 
-	if (event & OHCI1394_cycle64Seconds) {
-		cycle_time = reg_read(ohci, OHCI1394_IsochronousCycleTimer);
-		if ((cycle_time & 0x80000000) == 0)
-			atomic_inc(&ohci->bus_seconds);
-	}
-
 	return IRQ_HANDLED;
 }
 
@@ -1553,8 +1555,7 @@ static int ohci_enable(struct fw_card *card,
 		  OHCI1394_reqTxComplete | OHCI1394_respTxComplete |
 		  OHCI1394_isochRx | OHCI1394_isochTx |
 		  OHCI1394_postedWriteErr | OHCI1394_cycleTooLong |
-		  OHCI1394_cycleInconsistent |
-		  OHCI1394_cycle64Seconds | OHCI1394_regAccessFail |
+		  OHCI1394_cycleInconsistent | OHCI1394_regAccessFail |
 		  OHCI1394_masterIntEnable);
 	if (param_debug & OHCI_PARAM_DEBUG_BUSRESETS)
 		reg_write(ohci, OHCI1394_IntMaskSet, OHCI1394_busReset);
@@ -1794,16 +1795,61 @@ static int ohci_enable_phys_dma(struct fw_card *card,
 #endif /* CONFIG_FIREWIRE_OHCI_REMOTE_DMA */
 }
 
-static u64 ohci_get_bus_time(struct fw_card *card)
+static u32 cycle_timer_ticks(u32 cycle_timer)
 {
-	struct fw_ohci *ohci = fw_ohci(card);
-	u32 cycle_time;
-	u64 bus_time;
+	u32 ticks;
 
-	cycle_time = reg_read(ohci, OHCI1394_IsochronousCycleTimer);
-	bus_time = ((u64)atomic_read(&ohci->bus_seconds) << 32) | cycle_time;
+	ticks = cycle_timer & 0xfff;
+	ticks += 3072 * ((cycle_timer >> 12) & 0x1fff);
+	ticks += (3072 * 8000) * (cycle_timer >> 25);
+
+	return ticks;
+}
+
+/*
+ * Some controllers exhibit one or more of the following bugs when updating the
+ * iso cycle timer register:
+ *  - When the lowest six bits are wrapping around to zero, a read that happens
+ *    at the same time will return garbage in the lowest ten bits.
+ *  - When the cycleOffset field wraps around to zero, the cycleCount field is
+ *    not incremented for about 60 ns.
+ *  - Occasionally, the entire register reads zero.
+ *
+ * To catch these, we read the register three times and ensure that the
+ * difference between each two consecutive reads is approximately the same, i.e.
+ * less than twice the other.  Furthermore, any negative difference indicates an
+ * error.  (A PCI read should take at least 20 ticks of the 24.576 MHz timer to
+ * execute, so we have enough precision to compute the ratio of the differences.)
+ */
+static u32 ohci_get_cycle_time(struct fw_card *card)
+{
+	struct fw_ohci *ohci = fw_ohci(card);
+	u32 c0, c1, c2;
+	u32 t0, t1, t2;
+	s32 diff01, diff12;
+	int i;
 
-	return bus_time;
+	c2 = reg_read(ohci, OHCI1394_IsochronousCycleTimer);
+
+	if (ohci->quirks & QUIRK_CYCLE_TIMER) {
+		i = 0;
+		c1 = c2;
+		c2 = reg_read(ohci, OHCI1394_IsochronousCycleTimer);
+		do {
+			c0 = c1;
+			c1 = c2;
+			c2 = reg_read(ohci, OHCI1394_IsochronousCycleTimer);
+			t0 = cycle_timer_ticks(c0);
+			t1 = cycle_timer_ticks(c1);
+			t2 = cycle_timer_ticks(c2);
+			diff01 = t1 - t0;
+			diff12 = t2 - t1;
+		} while ((diff01 <= 0 || diff12 <= 0 ||
+			  diff01 / diff12 >= 2 || diff12 / diff01 >= 2)
+			 && i++ < 20);
+	}
+
+	return c2;
 }
 
 static void copy_iso_headers(struct iso_context *ctx, void *p)
@@ -1828,52 +1874,6 @@ static void copy_iso_headers(struct iso_context *ctx, void *p)
 	ctx->header_length += ctx->base.header_size;
 }
 
-static int handle_ir_dualbuffer_packet(struct context *context,
-				       struct descriptor *d,
-				       struct descriptor *last)
-{
-	struct iso_context *ctx =
-		container_of(context, struct iso_context, context);
-	struct db_descriptor *db = (struct db_descriptor *) d;
-	__le32 *ir_header;
-	size_t header_length;
-	void *p, *end;
-
-	if (db->first_res_count != 0 && db->second_res_count != 0) {
-		if (ctx->excess_bytes <= le16_to_cpu(db->second_req_count)) {
-			/* This descriptor isn't done yet, stop iteration. */
-			return 0;
-		}
-		ctx->excess_bytes -= le16_to_cpu(db->second_req_count);
-	}
-
-	header_length = le16_to_cpu(db->first_req_count) -
-		le16_to_cpu(db->first_res_count);
-
-	p = db + 1;
-	end = p + header_length;
-	while (p < end) {
-		copy_iso_headers(ctx, p);
-		ctx->excess_bytes +=
-			(le32_to_cpu(*(__le32 *)(p + 4)) >> 16) & 0xffff;
-		p += max(ctx->base.header_size, (size_t)8);
-	}
-
-	ctx->excess_bytes -= le16_to_cpu(db->second_req_count) -
-		le16_to_cpu(db->second_res_count);
-
-	if (le16_to_cpu(db->control) & DESCRIPTOR_IRQ_ALWAYS) {
-		ir_header = (__le32 *) (db + 1);
-		ctx->base.callback(&ctx->base,
-				   le32_to_cpu(ir_header[0]) & 0xffff,
-				   ctx->header_length, ctx->header,
-				   ctx->base.callback_data);
-		ctx->header_length = 0;
-	}
-
-	return 1;
-}
-
 static int handle_ir_packet_per_buffer(struct context *context,
 				       struct descriptor *d,
 				       struct descriptor *last)
@@ -1960,10 +1960,7 @@ static struct fw_iso_context *ohci_allocate_iso_context(struct fw_card *card,
 		channels = &ohci->ir_context_channels;
 		mask = &ohci->ir_context_mask;
 		list = ohci->ir_context_list;
-		if (ohci->use_dualbuffer)
-			callback = handle_ir_dualbuffer_packet;
-		else
-			callback = handle_ir_packet_per_buffer;
+		callback = handle_ir_packet_per_buffer;
 	}
 
 	spin_lock_irqsave(&ohci->lock, flags);
@@ -2026,8 +2023,6 @@ static int ohci_start_iso(struct fw_iso_context *base,
 	} else {
 		index = ctx - ohci->ir_context_list;
 		control = IR_CONTEXT_ISOCH_HEADER;
-		if (ohci->use_dualbuffer)
-			control |= IR_CONTEXT_DUAL_BUFFER_MODE;
 		match = (tags << 28) | (sync << 8) | ctx->base.channel;
 		if (cycle >= 0) {
 			match |= (cycle & 0x07fff) << 12;
@@ -2188,92 +2183,6 @@ static int ohci_queue_iso_transmit(struct fw_iso_context *base,
 	return 0;
 }
 
-static int ohci_queue_iso_receive_dualbuffer(struct fw_iso_context *base,
-					     struct fw_iso_packet *packet,
-					     struct fw_iso_buffer *buffer,
-					     unsigned long payload)
-{
-	struct iso_context *ctx = container_of(base, struct iso_context, base);
-	struct db_descriptor *db = NULL;
-	struct descriptor *d;
-	struct fw_iso_packet *p;
-	dma_addr_t d_bus, page_bus;
-	u32 z, header_z, length, rest;
-	int page, offset, packet_count, header_size;
-
-	/*
-	 * FIXME: Cycle lost behavior should be configurable: lose
-	 * packet, retransmit or terminate..
-	 */
-
-	p = packet;
-	z = 2;
-
-	/*
-	 * The OHCI controller puts the isochronous header and trailer in the
-	 * buffer, so we need at least 8 bytes.
-	 */
-	packet_count = p->header_length / ctx->base.header_size;
-	header_size = packet_count * max(ctx->base.header_size, (size_t)8);
-
-	/* Get header size in number of descriptors. */
-	header_z = DIV_ROUND_UP(header_size, sizeof(*d));
-	page     = payload >> PAGE_SHIFT;
-	offset   = payload & ~PAGE_MASK;
-	rest     = p->payload_length;
-	/*
-	 * The controllers I've tested have not worked correctly when
-	 * second_req_count is zero.  Rather than do something we know won't
-	 * work, return an error
-	 */
-	if (rest == 0)
-		return -EINVAL;
-
-	while (rest > 0) {
-		d = context_get_descriptors(&ctx->context,
-					    z + header_z, &d_bus);
-		if (d == NULL)
-			return -ENOMEM;
-
-		db = (struct db_descriptor *) d;
-		db->control = cpu_to_le16(DESCRIPTOR_STATUS |
-					  DESCRIPTOR_BRANCH_ALWAYS);
-		db->first_size =
-		    cpu_to_le16(max(ctx->base.header_size, (size_t)8));
-		if (p->skip && rest == p->payload_length) {
-			db->control |= cpu_to_le16(DESCRIPTOR_WAIT);
-			db->first_req_count = db->first_size;
-		} else {
-			db->first_req_count = cpu_to_le16(header_size);
-		}
-		db->first_res_count = db->first_req_count;
-		db->first_buffer = cpu_to_le32(d_bus + sizeof(*db));
-
-		if (p->skip && rest == p->payload_length)
-			length = 4;
-		else if (offset + rest < PAGE_SIZE)
-			length = rest;
-		else
-			length = PAGE_SIZE - offset;
-
-		db->second_req_count = cpu_to_le16(length);
-		db->second_res_count = db->second_req_count;
-		page_bus = page_private(buffer->pages[page]);
-		db->second_buffer = cpu_to_le32(page_bus + offset);
-
-		if (p->interrupt && length == rest)
-			db->control |= cpu_to_le16(DESCRIPTOR_IRQ_ALWAYS);
-
-		context_append(&ctx->context, d, z, header_z);
-		offset = (offset + length) & ~PAGE_MASK;
-		rest -= length;
-		if (offset == 0)
-			page++;
-	}
-
-	return 0;
-}
-
 static int ohci_queue_iso_receive_packet_per_buffer(struct fw_iso_context *base,
 					struct fw_iso_packet *packet,
 					struct fw_iso_buffer *buffer,
@@ -2364,9 +2273,6 @@ static int ohci_queue_iso(struct fw_iso_context *base,
 	spin_lock_irqsave(&ctx->context.ohci->lock, flags);
 	if (base->type == FW_ISO_CONTEXT_TRANSMIT)
 		ret = ohci_queue_iso_transmit(base, packet, buffer, payload);
-	else if (ctx->context.ohci->use_dualbuffer)
-		ret = ohci_queue_iso_receive_dualbuffer(base, packet,
-							buffer, payload);
 	else
 		ret = ohci_queue_iso_receive_packet_per_buffer(base, packet,
 							buffer, payload);
@@ -2383,7 +2289,7 @@ static const struct fw_card_driver ohci_driver = {
 	.send_response		= ohci_send_response,
 	.cancel_packet		= ohci_cancel_packet,
 	.enable_phys_dma	= ohci_enable_phys_dma,
-	.get_bus_time		= ohci_get_bus_time,
+	.get_cycle_time		= ohci_get_cycle_time,
 
 	.allocate_iso_context	= ohci_allocate_iso_context,
 	.free_iso_context	= ohci_free_iso_context,
@@ -2421,17 +2327,13 @@ static void ohci_pmac_off(struct pci_dev *dev)
 #define ohci_pmac_off(dev)
 #endif /* CONFIG_PPC_PMAC */
 
-#define PCI_VENDOR_ID_AGERE		PCI_VENDOR_ID_ATT
-#define PCI_DEVICE_ID_AGERE_FW643	0x5901
-#define PCI_DEVICE_ID_TI_TSB43AB23	0x8024
-
 static int __devinit pci_probe(struct pci_dev *dev,
 			       const struct pci_device_id *ent)
 {
 	struct fw_ohci *ohci;
 	u32 bus_options, max_receive, link_speed, version;
 	u64 guid;
-	int err;
+	int i, err, n_ir, n_it;
 	size_t size;
 
 	ohci = kzalloc(sizeof(*ohci), GFP_KERNEL);
@@ -2472,36 +2374,15 @@ static int __devinit pci_probe(struct pci_dev *dev,
 		goto fail_iomem;
 	}
 
-	version = reg_read(ohci, OHCI1394_Version) & 0x00ff00ff;
-#if 0
-	/* FIXME: make it a context option or remove dual-buffer mode */
-	ohci->use_dualbuffer = version >= OHCI_VERSION_1_1;
-#endif
-
-	/* dual-buffer mode is broken if more than one IR context is active */
-	if (dev->vendor == PCI_VENDOR_ID_AGERE &&
-	    dev->device == PCI_DEVICE_ID_AGERE_FW643)
-		ohci->use_dualbuffer = false;
-
-	/* dual-buffer mode is broken */
-	if (dev->vendor == PCI_VENDOR_ID_RICOH &&
-	    dev->device == PCI_DEVICE_ID_RICOH_R5C832)
-		ohci->use_dualbuffer = false;
-
-/* x86-32 currently doesn't use highmem for dma_alloc_coherent */
-#if !defined(CONFIG_X86_32)
-	/* dual-buffer mode is broken with descriptor addresses above 2G */
-	if (dev->vendor == PCI_VENDOR_ID_TI &&
-	    (dev->device == PCI_DEVICE_ID_TI_TSB43AB22 ||
-	     dev->device == PCI_DEVICE_ID_TI_TSB43AB23))
-		ohci->use_dualbuffer = false;
-#endif
-
-#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)
-	ohci->old_uninorth = dev->vendor == PCI_VENDOR_ID_APPLE &&
-			     dev->device == PCI_DEVICE_ID_APPLE_UNI_N_FW;
-#endif
-	ohci->bus_reset_packet_quirk = dev->vendor == PCI_VENDOR_ID_TI;
+	for (i = 0; i < ARRAY_SIZE(ohci_quirks); i++)
+		if (ohci_quirks[i].vendor == dev->vendor &&
+		    (ohci_quirks[i].device == dev->device ||
+		     ohci_quirks[i].device == (unsigned short)PCI_ANY_ID)) {
+			ohci->quirks = ohci_quirks[i].flags;
+			break;
+		}
+	if (param_quirks)
+		ohci->quirks = param_quirks;
 
 	ar_context_init(&ohci->ar_request_ctx, ohci,
 			OHCI1394_AsReqRcvContextControlSet);
@@ -2516,17 +2397,19 @@ static int __devinit pci_probe(struct pci_dev *dev,
 		     OHCI1394_AsRspTrContextControlSet, handle_at_packet);
 
 	reg_write(ohci, OHCI1394_IsoRecvIntMaskSet, ~0);
-	ohci->it_context_mask = reg_read(ohci, OHCI1394_IsoRecvIntMaskSet);
+	ohci->ir_context_channels = ~0ULL;
+	ohci->ir_context_mask = reg_read(ohci, OHCI1394_IsoRecvIntMaskSet);
 	reg_write(ohci, OHCI1394_IsoRecvIntMaskClear, ~0);
-	size = sizeof(struct iso_context) * hweight32(ohci->it_context_mask);
-	ohci->it_context_list = kzalloc(size, GFP_KERNEL);
+	n_ir = hweight32(ohci->ir_context_mask);
+	size = sizeof(struct iso_context) * n_ir;
+	ohci->ir_context_list = kzalloc(size, GFP_KERNEL);
 
 	reg_write(ohci, OHCI1394_IsoXmitIntMaskSet, ~0);
-	ohci->ir_context_channels = ~0ULL;
-	ohci->ir_context_mask = reg_read(ohci, OHCI1394_IsoXmitIntMaskSet);
+	ohci->it_context_mask = reg_read(ohci, OHCI1394_IsoXmitIntMaskSet);
 	reg_write(ohci, OHCI1394_IsoXmitIntMaskClear, ~0);
-	size = sizeof(struct iso_context) * hweight32(ohci->ir_context_mask);
-	ohci->ir_context_list = kzalloc(size, GFP_KERNEL);
+	n_it = hweight32(ohci->it_context_mask);
+	size = sizeof(struct iso_context) * n_it;
+	ohci->it_context_list = kzalloc(size, GFP_KERNEL);
 
 	if (ohci->it_context_list == NULL || ohci->ir_context_list == NULL) {
 		err = -ENOMEM;
@@ -2553,8 +2436,11 @@ static int __devinit pci_probe(struct pci_dev *dev,
 	if (err)
 		goto fail_self_id;
 
-	fw_notify("Added fw-ohci device %s, OHCI version %x.%x\n",
-		  dev_name(&dev->dev), version >> 16, version & 0xff);
+	version = reg_read(ohci, OHCI1394_Version) & 0x00ff00ff;
+	fw_notify("Added fw-ohci device %s, OHCI v%x.%x, "
+		  "%d IR + %d IT contexts, quirks 0x%x\n",
+		  dev_name(&dev->dev), version >> 16, version & 0xff,
+		  n_ir, n_it, ohci->quirks);
 
 	return 0;
 
@@ -2662,7 +2548,7 @@ static int pci_resume(struct pci_dev *dev)
 }
 #endif
 
-static struct pci_device_id pci_table[] = {
+static const struct pci_device_id pci_table[] = {
 	{ PCI_DEVICE_CLASS(PCI_CLASS_SERIAL_FIREWIRE_OHCI, ~0) },
 	{ }
 };
diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c
index 70fef40cd22f..ca264f2fdf0c 100644
--- a/drivers/firewire/sbp2.c
+++ b/drivers/firewire/sbp2.c
@@ -1014,7 +1014,8 @@ static int sbp2_add_logical_unit(struct sbp2_target *tgt, int lun_entry)
 	return 0;
 }
 
-static int sbp2_scan_logical_unit_dir(struct sbp2_target *tgt, u32 *directory)
+static int sbp2_scan_logical_unit_dir(struct sbp2_target *tgt,
+				      const u32 *directory)
 {
 	struct fw_csr_iterator ci;
 	int key, value;
@@ -1027,7 +1028,7 @@ static int sbp2_scan_logical_unit_dir(struct sbp2_target *tgt, u32 *directory)
 	return 0;
 }
 
-static int sbp2_scan_unit_dir(struct sbp2_target *tgt, u32 *directory,
+static int sbp2_scan_unit_dir(struct sbp2_target *tgt, const u32 *directory,
 			      u32 *model, u32 *firmware_revision)
 {
 	struct fw_csr_iterator ci;
diff --git a/drivers/firmware/edd.c b/drivers/firmware/edd.c
index 9e4f59dc7f1e..110e24e50883 100644
--- a/drivers/firmware/edd.c
+++ b/drivers/firmware/edd.c
@@ -122,7 +122,7 @@ edd_attr_show(struct kobject * kobj, struct attribute *attr, char *buf)
 	return ret;
 }
 
-static struct sysfs_ops edd_attr_ops = {
+static const struct sysfs_ops edd_attr_ops = {
 	.show = edd_attr_show,
 };
 
diff --git a/drivers/firmware/efivars.c b/drivers/firmware/efivars.c
index f4f709d1370b..082f06ecd327 100644
--- a/drivers/firmware/efivars.c
+++ b/drivers/firmware/efivars.c
@@ -362,7 +362,7 @@ static ssize_t efivar_attr_store(struct kobject *kobj, struct attribute *attr,
 	return ret;
 }
 
-static struct sysfs_ops efivar_attr_ops = {
+static const struct sysfs_ops efivar_attr_ops = {
 	.show = efivar_attr_show,
 	.store = efivar_attr_store,
 };
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index a3600e3ed0fa..ed2801c378de 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -519,7 +519,7 @@ static ssize_t ibft_show_attribute(struct kobject *kobj,
 	return ret;
 }
 
-static struct sysfs_ops ibft_attr_ops = {
+static const struct sysfs_ops ibft_attr_ops = {
 	.show = ibft_show_attribute,
 };
 
diff --git a/drivers/firmware/memmap.c b/drivers/firmware/memmap.c
index 56f9234781fa..d59f7cad2269 100644
--- a/drivers/firmware/memmap.c
+++ b/drivers/firmware/memmap.c
@@ -74,7 +74,7 @@ static struct attribute *def_attrs[] = {
 	NULL
 };
 
-static struct sysfs_ops memmap_attr_ops = {
+static const struct sysfs_ops memmap_attr_ops = {
 	.show = memmap_attr_show,
 };
 
@@ -122,29 +122,53 @@ static int firmware_map_add_entry(u64 start, u64 end,
 	return 0;
 }
 
+/*
+ * Add memmap entry on sysfs
+ */
+static int add_sysfs_fw_map_entry(struct firmware_map_entry *entry)
+{
+	static int map_entries_nr;
+	static struct kset *mmap_kset;
+
+	if (!mmap_kset) {
+		mmap_kset = kset_create_and_add("memmap", NULL, firmware_kobj);
+		if (!mmap_kset)
+			return -ENOMEM;
+	}
+
+	entry->kobj.kset = mmap_kset;
+	if (kobject_add(&entry->kobj, NULL, "%d", map_entries_nr++))
+		kobject_put(&entry->kobj);
+
+	return 0;
+}
+
 /**
- * firmware_map_add() - Adds a firmware mapping entry.
+ * firmware_map_add_hotplug() - Adds a firmware mapping entry when we do
+ * memory hotplug.
  * @start: Start of the memory range.
  * @end:   End of the memory range (inclusive).
  * @type:  Type of the memory range.
  *
- * This function uses kmalloc() for memory
- * allocation. Use firmware_map_add_early() if you want to use the bootmem
- * allocator.
- *
- * That function must be called before late_initcall.
+ * Adds a firmware mapping entry. This function is for memory hotplug, it is
+ * similar to function firmware_map_add_early(). The only difference is that
+ * it will create the syfs entry dynamically.
  *
  * Returns 0 on success, or -ENOMEM if no memory could be allocated.
  **/
-int firmware_map_add(u64 start, u64 end, const char *type)
+int __meminit firmware_map_add_hotplug(u64 start, u64 end, const char *type)
 {
 	struct firmware_map_entry *entry;
 
-	entry = kmalloc(sizeof(struct firmware_map_entry), GFP_ATOMIC);
+	entry = kzalloc(sizeof(struct firmware_map_entry), GFP_ATOMIC);
 	if (!entry)
 		return -ENOMEM;
 
-	return firmware_map_add_entry(start, end, type, entry);
+	firmware_map_add_entry(start, end, type, entry);
+	/* create the memmap entry */
+	add_sysfs_fw_map_entry(entry);
+
+	return 0;
 }
 
 /**
@@ -154,7 +178,7 @@ int firmware_map_add(u64 start, u64 end, const char *type)
  * @type:  Type of the memory range.
  *
  * Adds a firmware mapping entry. This function uses the bootmem allocator
- * for memory allocation. Use firmware_map_add() if you want to use kmalloc().
+ * for memory allocation.
  *
  * That function must be called before late_initcall.
  *
@@ -214,19 +238,10 @@ static ssize_t memmap_attr_show(struct kobject *kobj,
  */
 static int __init memmap_init(void)
 {
-	int i = 0;
 	struct firmware_map_entry *entry;
-	struct kset *memmap_kset;
-
-	memmap_kset = kset_create_and_add("memmap", NULL, firmware_kobj);
-	if (WARN_ON(!memmap_kset))
-		return -ENOMEM;
 
-	list_for_each_entry(entry, &map_entries, list) {
-		entry->kobj.kset = memmap_kset;
-		if (kobject_add(&entry->kobj, NULL, "%d", i++))
-			kobject_put(&entry->kobj);
-	}
+	list_for_each_entry(entry, &map_entries, list)
+		add_sysfs_fw_map_entry(entry);
 
 	return 0;
 }
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 1f1d88ae68d6..fee678f74a19 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -65,8 +65,17 @@ config GPIO_SYSFS
 
 # put expanders in the right section, in alphabetical order
 
+config GPIO_MAX730X
+	tristate
+
 comment "Memory mapped GPIO expanders:"
 
+config GPIO_IT8761E
+	tristate "IT8761E GPIO support"
+	depends on GPIOLIB
+	help
+	  Say yes here to support GPIO functionality of IT8761E super I/O chip.
+
 config GPIO_PL061
 	bool "PrimeCell PL061 GPIO support"
 	depends on ARM_AMBA
@@ -85,8 +94,32 @@ config GPIO_VR41XX
 	help
 	  Say yes here to support the NEC VR4100 series General-purpose I/O Uint
 
+config GPIO_SCH
+	tristate "Intel SCH GPIO"
+	depends on GPIOLIB && PCI
+	select MFD_CORE
+	select LPC_SCH
+	help
+	  Say yes here to support GPIO interface on Intel Poulsbo SCH.
+	  The Intel SCH contains a total of 14 GPIO pins. Ten GPIOs are
+	  powered by the core power rail and are turned off during sleep
+	  modes (S3 and higher). The remaining four GPIOs are powered by
+	  the Intel SCH suspend power supply. These GPIOs remain
+	  active during S3. The suspend powered GPIOs can be used to wake the
+	  system from the Suspend-to-RAM state.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called sch-gpio.
+
 comment "I2C GPIO expanders:"
 
+config GPIO_MAX7300
+	tristate "Maxim MAX7300 GPIO expander"
+	depends on I2C
+	select GPIO_MAX730X
+	help
+	  GPIO driver for Maxim MAX7301 I2C-based GPIO expander.
+
 config GPIO_MAX732X
 	tristate "MAX7319, MAX7320-7327 I2C Port Expanders"
 	depends on I2C
@@ -124,6 +157,13 @@ config GPIO_PCA953X
 	  This driver can also be built as a module.  If so, the module
 	  will be called pca953x.
 
+config GPIO_PCA953X_IRQ
+	bool "Interrupt controller support for PCA953x"
+	depends on GPIO_PCA953X=y
+	help
+	  Say yes here to enable the pca953x to be used as an interrupt
+	  controller. It requires the driver to be built in the kernel.
+
 config GPIO_PCF857X
 	tristate "PCF857x, PCA{85,96}7x, and MAX732[89] I2C GPIO expanders"
 	depends on I2C
@@ -162,6 +202,20 @@ config GPIO_WM831X
 	  Say yes here to access the GPIO signals of WM831x power management
 	  chips from Wolfson Microelectronics.
 
+config GPIO_WM8350
+	tristate "WM8350 GPIOs"
+	depends on MFD_WM8350
+	help
+	  Say yes here to access the GPIO signals of WM8350 power management
+	  chips from Wolfson Microelectronics.
+
+config GPIO_WM8994
+	tristate "WM8994 GPIOs"
+	depends on MFD_WM8994
+	help
+	  Say yes here to access the GPIO signals of WM8994 audio hub
+	  CODECs from Wolfson Microelectronics.
+
 config GPIO_ADP5520
 	tristate "GPIO Support for ADP5520 PMIC"
 	depends on PMIC_ADP5520
@@ -226,8 +280,9 @@ comment "SPI GPIO expanders:"
 config GPIO_MAX7301
 	tristate "Maxim MAX7301 GPIO expander"
 	depends on SPI_MASTER
+	select GPIO_MAX730X
 	help
-	  gpio driver for Maxim MAX7301 SPI GPIO expander.
+	  GPIO driver for Maxim MAX7301 SPI-based GPIO expander.
 
 config GPIO_MCP23S08
 	tristate "Microchip MCP23S08 I/O expander"
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 48687238edb1..10f3f8d958b1 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -7,6 +7,8 @@ obj-$(CONFIG_GPIOLIB)		+= gpiolib.o
 obj-$(CONFIG_GPIO_ADP5520)	+= adp5520-gpio.o
 obj-$(CONFIG_GPIO_ADP5588)	+= adp5588-gpio.o
 obj-$(CONFIG_GPIO_LANGWELL)	+= langwell_gpio.o
+obj-$(CONFIG_GPIO_MAX730X)	+= max730x.o
+obj-$(CONFIG_GPIO_MAX7300)	+= max7300.o
 obj-$(CONFIG_GPIO_MAX7301)	+= max7301.o
 obj-$(CONFIG_GPIO_MAX732X)	+= max732x.o
 obj-$(CONFIG_GPIO_MC33880)	+= mc33880.o
@@ -20,5 +22,9 @@ obj-$(CONFIG_GPIO_UCB1400)	+= ucb1400_gpio.o
 obj-$(CONFIG_GPIO_XILINX)	+= xilinx_gpio.o
 obj-$(CONFIG_GPIO_CS5535)	+= cs5535-gpio.o
 obj-$(CONFIG_GPIO_BT8XX)	+= bt8xxgpio.o
+obj-$(CONFIG_GPIO_IT8761E)	+= it8761e_gpio.o
 obj-$(CONFIG_GPIO_VR41XX)	+= vr41xx_giu.o
 obj-$(CONFIG_GPIO_WM831X)	+= wm831x-gpio.o
+obj-$(CONFIG_GPIO_WM8350)	+= wm8350-gpiolib.o
+obj-$(CONFIG_GPIO_WM8994)	+= wm8994-gpio.o
+obj-$(CONFIG_GPIO_SCH)		+= sch_gpio.o
\ No newline at end of file
diff --git a/drivers/gpio/cs5535-gpio.c b/drivers/gpio/cs5535-gpio.c
index 0fdbe94f24a3..0c3c498f2260 100644
--- a/drivers/gpio/cs5535-gpio.c
+++ b/drivers/gpio/cs5535-gpio.c
@@ -154,7 +154,7 @@ static int chip_gpio_request(struct gpio_chip *c, unsigned offset)
 
 static int chip_gpio_get(struct gpio_chip *chip, unsigned offset)
 {
-	return cs5535_gpio_isset(offset, GPIO_OUTPUT_VAL);
+	return cs5535_gpio_isset(offset, GPIO_READ_BACK);
 }
 
 static void chip_gpio_set(struct gpio_chip *chip, unsigned offset, int val)
@@ -172,6 +172,7 @@ static int chip_direction_input(struct gpio_chip *c, unsigned offset)
 
 	spin_lock_irqsave(&chip->lock, flags);
 	__cs5535_gpio_set(chip, offset, GPIO_INPUT_ENABLE);
+	__cs5535_gpio_clear(chip, offset, GPIO_OUTPUT_ENABLE);
 	spin_unlock_irqrestore(&chip->lock, flags);
 
 	return 0;
@@ -184,6 +185,7 @@ static int chip_direction_output(struct gpio_chip *c, unsigned offset, int val)
 
 	spin_lock_irqsave(&chip->lock, flags);
 
+	__cs5535_gpio_set(chip, offset, GPIO_INPUT_ENABLE);
 	__cs5535_gpio_set(chip, offset, GPIO_OUTPUT_ENABLE);
 	if (val)
 		__cs5535_gpio_set(chip, offset, GPIO_OUTPUT_VAL);
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 350842ad3632..6d1b86661e63 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -623,7 +623,9 @@ static const struct attribute_group gpiochip_attr_group = {
  * /sys/class/gpio/unexport ... write-only
  *	integer N ... number of GPIO to unexport
  */
-static ssize_t export_store(struct class *class, const char *buf, size_t len)
+static ssize_t export_store(struct class *class,
+				struct class_attribute *attr,
+				const char *buf, size_t len)
 {
 	long	gpio;
 	int	status;
@@ -653,7 +655,9 @@ done:
 	return status ? : len;
 }
 
-static ssize_t unexport_store(struct class *class, const char *buf, size_t len)
+static ssize_t unexport_store(struct class *class,
+				struct class_attribute *attr,
+				const char *buf, size_t len)
 {
 	long	gpio;
 	int	status;
@@ -1237,6 +1241,64 @@ void gpio_free(unsigned gpio)
 }
 EXPORT_SYMBOL_GPL(gpio_free);
 
+/**
+ * gpio_request_one - request a single GPIO with initial configuration
+ * @gpio:	the GPIO number
+ * @flags:	GPIO configuration as specified by GPIOF_*
+ * @label:	a literal description string of this GPIO
+ */
+int gpio_request_one(unsigned gpio, unsigned long flags, const char *label)
+{
+	int err;
+
+	err = gpio_request(gpio, label);
+	if (err)
+		return err;
+
+	if (flags & GPIOF_DIR_IN)
+		err = gpio_direction_input(gpio);
+	else
+		err = gpio_direction_output(gpio,
+				(flags & GPIOF_INIT_HIGH) ? 1 : 0);
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(gpio_request_one);
+
+/**
+ * gpio_request_array - request multiple GPIOs in a single call
+ * @array:	array of the 'struct gpio'
+ * @num:	how many GPIOs in the array
+ */
+int gpio_request_array(struct gpio *array, size_t num)
+{
+	int i, err;
+
+	for (i = 0; i < num; i++, array++) {
+		err = gpio_request_one(array->gpio, array->flags, array->label);
+		if (err)
+			goto err_free;
+	}
+	return 0;
+
+err_free:
+	while (i--)
+		gpio_free((--array)->gpio);
+	return err;
+}
+EXPORT_SYMBOL_GPL(gpio_request_array);
+
+/**
+ * gpio_free_array - release multiple GPIOs in a single call
+ * @array:	array of the 'struct gpio'
+ * @num:	how many GPIOs in the array
+ */
+void gpio_free_array(struct gpio *array, size_t num)
+{
+	while (num--)
+		gpio_free((array++)->gpio);
+}
+EXPORT_SYMBOL_GPL(gpio_free_array);
 
 /**
  * gpiochip_is_requested - return string iff signal was requested
diff --git a/drivers/gpio/it8761e_gpio.c b/drivers/gpio/it8761e_gpio.c
new file mode 100644
index 000000000000..753219cf993a
--- /dev/null
+++ b/drivers/gpio/it8761e_gpio.c
@@ -0,0 +1,231 @@
+/*
+ *  it8761_gpio.c - GPIO interface for IT8761E Super I/O chip
+ *
+ *  Author: Denis Turischev <denis@compulab.co.il>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License 2 as published
+ *  by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; see the file COPYING.  If not, write to
+ *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/errno.h>
+#include <linux/ioport.h>
+
+#include <linux/gpio.h>
+
+#define SIO_CHIP_ID		0x8761
+#define CHIP_ID_HIGH_BYTE	0x20
+#define CHIP_ID_LOW_BYTE	0x21
+
+static u8 ports[2] = { 0x2e, 0x4e };
+static u8 port;
+
+static DEFINE_SPINLOCK(sio_lock);
+
+#define GPIO_NAME		"it8761-gpio"
+#define GPIO_BA_HIGH_BYTE	0x60
+#define GPIO_BA_LOW_BYTE	0x61
+#define GPIO_IOSIZE		4
+#define GPIO1X_IO		0xf0
+#define GPIO2X_IO		0xf1
+
+static u16 gpio_ba;
+
+static u8 read_reg(u8 addr, u8 port)
+{
+	outb(addr, port);
+	return inb(port + 1);
+}
+
+static void write_reg(u8 data, u8 addr, u8 port)
+{
+	outb(addr, port);
+	outb(data, port + 1);
+}
+
+static void enter_conf_mode(u8 port)
+{
+	outb(0x87, port);
+	outb(0x61, port);
+	outb(0x55, port);
+	outb((port == 0x2e) ? 0x55 : 0xaa, port);
+}
+
+static void exit_conf_mode(u8 port)
+{
+	outb(0x2, port);
+	outb(0x2, port + 1);
+}
+
+static void enter_gpio_mode(u8 port)
+{
+	write_reg(0x2, 0x7, port);
+}
+
+static int it8761e_gpio_get(struct gpio_chip *gc, unsigned gpio_num)
+{
+	u16 reg;
+	u8 bit;
+
+	bit = gpio_num % 7;
+	reg = (gpio_num >= 7) ? gpio_ba + 1 : gpio_ba;
+
+	return !!(inb(reg) & (1 << bit));
+}
+
+static int it8761e_gpio_direction_in(struct gpio_chip *gc, unsigned gpio_num)
+{
+	u8 curr_dirs;
+	u8 io_reg, bit;
+
+	bit = gpio_num % 7;
+	io_reg = (gpio_num >= 7) ? GPIO2X_IO : GPIO1X_IO;
+
+	spin_lock(&sio_lock);
+
+	enter_conf_mode(port);
+	enter_gpio_mode(port);
+
+	curr_dirs = read_reg(io_reg, port);
+
+	if (curr_dirs & (1 << bit))
+		write_reg(curr_dirs & ~(1 << bit), io_reg, port);
+
+	exit_conf_mode(port);
+
+	spin_unlock(&sio_lock);
+	return 0;
+}
+
+static void it8761e_gpio_set(struct gpio_chip *gc,
+				unsigned gpio_num, int val)
+{
+	u8 curr_vals, bit;
+	u16 reg;
+
+	bit = gpio_num % 7;
+	reg = (gpio_num >= 7) ? gpio_ba + 1 : gpio_ba;
+
+	spin_lock(&sio_lock);
+
+	curr_vals = inb(reg);
+	if (val)
+		outb(curr_vals | (1 << bit) , reg);
+	else
+		outb(curr_vals & ~(1 << bit), reg);
+
+	spin_unlock(&sio_lock);
+}
+
+static int it8761e_gpio_direction_out(struct gpio_chip *gc,
+					unsigned gpio_num, int val)
+{
+	u8 curr_dirs, io_reg, bit;
+
+	bit = gpio_num % 7;
+	io_reg = (gpio_num >= 7) ? GPIO2X_IO : GPIO1X_IO;
+
+	it8761e_gpio_set(gc, gpio_num, val);
+
+	spin_lock(&sio_lock);
+
+	enter_conf_mode(port);
+	enter_gpio_mode(port);
+
+	curr_dirs = read_reg(io_reg, port);
+
+	if (!(curr_dirs & (1 << bit)))
+		write_reg(curr_dirs | (1 << bit), io_reg, port);
+
+	exit_conf_mode(port);
+
+	spin_unlock(&sio_lock);
+	return 0;
+}
+
+static struct gpio_chip it8761e_gpio_chip = {
+	.label			= GPIO_NAME,
+	.owner			= THIS_MODULE,
+	.get			= it8761e_gpio_get,
+	.direction_input	= it8761e_gpio_direction_in,
+	.set			= it8761e_gpio_set,
+	.direction_output	= it8761e_gpio_direction_out,
+};
+
+static int __init it8761e_gpio_init(void)
+{
+	int i, id, err;
+
+	/* chip and port detection */
+	for (i = 0; i < ARRAY_SIZE(ports); i++) {
+		spin_lock(&sio_lock);
+		enter_conf_mode(ports[i]);
+
+		id = (read_reg(CHIP_ID_HIGH_BYTE, ports[i]) << 8) +
+				read_reg(CHIP_ID_LOW_BYTE, ports[i]);
+
+		exit_conf_mode(ports[i]);
+		spin_unlock(&sio_lock);
+
+		if (id == SIO_CHIP_ID) {
+			port = ports[i];
+			break;
+		}
+	}
+
+	if (!port)
+		return -ENODEV;
+
+	/* fetch GPIO base address */
+	enter_conf_mode(port);
+	enter_gpio_mode(port);
+	gpio_ba = (read_reg(GPIO_BA_HIGH_BYTE, port) << 8) +
+				read_reg(GPIO_BA_LOW_BYTE, port);
+	exit_conf_mode(port);
+
+	if (!request_region(gpio_ba, GPIO_IOSIZE, GPIO_NAME))
+		return -EBUSY;
+
+	it8761e_gpio_chip.base = -1;
+	it8761e_gpio_chip.ngpio = 14;
+
+	err = gpiochip_add(&it8761e_gpio_chip);
+	if (err < 0)
+		goto gpiochip_add_err;
+
+	return 0;
+
+gpiochip_add_err:
+	release_region(gpio_ba, GPIO_IOSIZE);
+	gpio_ba = 0;
+	return err;
+}
+
+static void __exit it8761e_gpio_exit(void)
+{
+	if (gpio_ba) {
+		gpiochip_remove(&it8761e_gpio_chip);
+
+		release_region(gpio_ba, GPIO_IOSIZE);
+		gpio_ba = 0;
+	}
+}
+module_init(it8761e_gpio_init);
+module_exit(it8761e_gpio_exit);
+
+MODULE_AUTHOR("Denis Turischev <denis@compulab.co.il>");
+MODULE_DESCRIPTION("GPIO interface for IT8761E Super I/O chip");
+MODULE_LICENSE("GPL");
diff --git a/drivers/gpio/max7300.c b/drivers/gpio/max7300.c
new file mode 100644
index 000000000000..9d74eef1157a
--- /dev/null
+++ b/drivers/gpio/max7300.c
@@ -0,0 +1,94 @@
+/*
+ * drivers/gpio/max7300.c
+ *
+ * Copyright (C) 2009 Wolfram Sang, Pengutronix
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Check max730x.c for further details.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
+#include <linux/i2c.h>
+#include <linux/spi/max7301.h>
+
+static int max7300_i2c_write(struct device *dev, unsigned int reg,
+				unsigned int val)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+
+	return i2c_smbus_write_byte_data(client, reg, val);
+}
+
+static int max7300_i2c_read(struct device *dev, unsigned int reg)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+
+	return i2c_smbus_read_byte_data(client, reg);
+}
+
+static int __devinit max7300_probe(struct i2c_client *client,
+			 const struct i2c_device_id *id)
+{
+	struct max7301 *ts;
+	int ret;
+
+	if (!i2c_check_functionality(client->adapter,
+			I2C_FUNC_SMBUS_BYTE_DATA))
+		return -EIO;
+
+	ts = kzalloc(sizeof(struct max7301), GFP_KERNEL);
+	if (!ts)
+		return -ENOMEM;
+
+	ts->read = max7300_i2c_read;
+	ts->write = max7300_i2c_write;
+	ts->dev = &client->dev;
+
+	ret = __max730x_probe(ts);
+	if (ret)
+		kfree(ts);
+	return ret;
+}
+
+static int __devexit max7300_remove(struct i2c_client *client)
+{
+	return __max730x_remove(&client->dev);
+}
+
+static const struct i2c_device_id max7300_id[] = {
+	{ "max7300", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, max7300_id);
+
+static struct i2c_driver max7300_driver = {
+	.driver = {
+		.name = "max7300",
+		.owner = THIS_MODULE,
+	},
+	.probe = max7300_probe,
+	.remove = __devexit_p(max7300_remove),
+	.id_table = max7300_id,
+};
+
+static int __init max7300_init(void)
+{
+	return i2c_add_driver(&max7300_driver);
+}
+subsys_initcall(max7300_init);
+
+static void __exit max7300_exit(void)
+{
+	i2c_del_driver(&max7300_driver);
+}
+module_exit(max7300_exit);
+
+MODULE_AUTHOR("Wolfram Sang");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("MAX7300 GPIO-Expander");
diff --git a/drivers/gpio/max7301.c b/drivers/gpio/max7301.c
index 480956f1ca50..965d9b1ea13e 100644
--- a/drivers/gpio/max7301.c
+++ b/drivers/gpio/max7301.c
@@ -1,98 +1,41 @@
-/**
+/*
  * drivers/gpio/max7301.c
  *
  * Copyright (C) 2006 Juergen Beisert, Pengutronix
  * Copyright (C) 2008 Guennadi Liakhovetski, Pengutronix
+ * Copyright (C) 2009 Wolfram Sang, Pengutronix
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  *
- * The Maxim's MAX7301 device is an SPI driven GPIO expander. There are
- * 28 GPIOs. 8 of them can trigger an interrupt. See datasheet for more
- * details
- * Note:
- * - DIN must be stable at the rising edge of clock.
- * - when writing:
- *   - always clock in 16 clocks at once
- *   - at DIN: D15 first, D0 last
- *   - D0..D7 = databyte, D8..D14 = commandbyte
- *   - D15 = low -> write command
- * - when reading
- *   - always clock in 16 clocks at once
- *   - at DIN: D15 first, D0 last
- *   - D0..D7 = dummy, D8..D14 = register address
- *   - D15 = high -> read command
- *   - raise CS and assert it again
- *   - always clock in 16 clocks at once
- *   - at DOUT: D15 first, D0 last
- *   - D0..D7 contains the data from the first cycle
- *
- * The driver exports a standard gpiochip interface
+ * Check max730x.c for further details.
  */
 
+#include <linux/module.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/mutex.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/max7301.h>
-#include <linux/gpio.h>
-
-#define DRIVER_NAME "max7301"
-
-/*
- * Pin configurations, see MAX7301 datasheet page 6
- */
-#define PIN_CONFIG_MASK 0x03
-#define PIN_CONFIG_IN_PULLUP 0x03
-#define PIN_CONFIG_IN_WO_PULLUP 0x02
-#define PIN_CONFIG_OUT 0x01
-
-#define PIN_NUMBER 28
-
-
-/*
- * Some registers must be read back to modify.
- * To save time we cache them here in memory
- */
-struct max7301 {
-	struct mutex	lock;
-	u8		port_config[8];	/* field 0 is unused */
-	u32		out_level;	/* cached output levels */
-	struct gpio_chip chip;
-	struct spi_device *spi;
-};
 
-/**
- * max7301_write - Write a new register content
- * @spi: The SPI device
- * @reg: Register offset
- * @val: Value to write
- *
- * A write to the MAX7301 means one message with one transfer
- *
- * Returns 0 if successful or a negative value on error
- */
-static int max7301_write(struct spi_device *spi, unsigned int reg, unsigned int val)
+/* A write to the MAX7301 means one message with one transfer */
+static int max7301_spi_write(struct device *dev, unsigned int reg,
+				unsigned int val)
 {
+	struct spi_device *spi = to_spi_device(dev);
 	u16 word = ((reg & 0x7F) << 8) | (val & 0xFF);
+
 	return spi_write(spi, (const u8 *)&word, sizeof(word));
 }
 
-/**
- * max7301_read - Read back register content
- * @spi: The SPI device
- * @reg: Register offset
- *
- * A read from the MAX7301 means two transfers; here, one message each
- *
- * Returns positive 8 bit value from device if successful or a
- * negative value on error
- */
-static int max7301_read(struct spi_device *spi, unsigned int reg)
+/* A read from the MAX7301 means two transfers; here, one message each */
+
+static int max7301_spi_read(struct device *dev, unsigned int reg)
 {
 	int ret;
 	u16 word;
+	struct spi_device *spi = to_spi_device(dev);
 
 	word = 0x8000 | (reg << 8);
 	ret = spi_write(spi, (const u8 *)&word, sizeof(word));
@@ -108,125 +51,13 @@ static int max7301_read(struct spi_device *spi, unsigned int reg)
 	return word & 0xff;
 }
 
-static int max7301_direction_input(struct gpio_chip *chip, unsigned offset)
-{
-	struct max7301 *ts = container_of(chip, struct max7301, chip);
-	u8 *config;
-	int ret;
-
-	/* First 4 pins are unused in the controller */
-	offset += 4;
-
-	config = &ts->port_config[offset >> 2];
-
-	mutex_lock(&ts->lock);
-
-	/* Standard GPIO API doesn't support pull-ups, has to be extended.
-	 * Hard-coding no pollup for now. */
-	*config = (*config & ~(3 << (offset & 3))) | (1 << (offset & 3));
-
-	ret = max7301_write(ts->spi, 0x08 + (offset >> 2), *config);
-
-	mutex_unlock(&ts->lock);
-
-	return ret;
-}
-
-static int __max7301_set(struct max7301 *ts, unsigned offset, int value)
-{
-	if (value) {
-		ts->out_level |= 1 << offset;
-		return max7301_write(ts->spi, 0x20 + offset, 0x01);
-	} else {
-		ts->out_level &= ~(1 << offset);
-		return max7301_write(ts->spi, 0x20 + offset, 0x00);
-	}
-}
-
-static int max7301_direction_output(struct gpio_chip *chip, unsigned offset,
-				    int value)
-{
-	struct max7301 *ts = container_of(chip, struct max7301, chip);
-	u8 *config;
-	int ret;
-
-	/* First 4 pins are unused in the controller */
-	offset += 4;
-
-	config = &ts->port_config[offset >> 2];
-
-	mutex_lock(&ts->lock);
-
-	*config = (*config & ~(3 << (offset & 3))) | (1 << (offset & 3));
-
-	ret = __max7301_set(ts, offset, value);
-
-	if (!ret)
-		ret = max7301_write(ts->spi, 0x08 + (offset >> 2), *config);
-
-	mutex_unlock(&ts->lock);
-
-	return ret;
-}
-
-static int max7301_get(struct gpio_chip *chip, unsigned offset)
-{
-	struct max7301 *ts = container_of(chip, struct max7301, chip);
-	int config, level = -EINVAL;
-
-	/* First 4 pins are unused in the controller */
-	offset += 4;
-
-	mutex_lock(&ts->lock);
-
-	config = (ts->port_config[offset >> 2] >> ((offset & 3) * 2)) & 3;
-
-	switch (config) {
-	case 1:
-		/* Output: return cached level */
-		level =  !!(ts->out_level & (1 << offset));
-		break;
-	case 2:
-	case 3:
-		/* Input: read out */
-		level = max7301_read(ts->spi, 0x20 + offset) & 0x01;
-	}
-	mutex_unlock(&ts->lock);
-
-	return level;
-}
-
-static void max7301_set(struct gpio_chip *chip, unsigned offset, int value)
-{
-	struct max7301 *ts = container_of(chip, struct max7301, chip);
-
-	/* First 4 pins are unused in the controller */
-	offset += 4;
-
-	mutex_lock(&ts->lock);
-
-	__max7301_set(ts, offset, value);
-
-	mutex_unlock(&ts->lock);
-}
-
 static int __devinit max7301_probe(struct spi_device *spi)
 {
 	struct max7301 *ts;
-	struct max7301_platform_data *pdata;
-	int i, ret;
-
-	pdata = spi->dev.platform_data;
-	if (!pdata || !pdata->base) {
-		dev_dbg(&spi->dev, "incorrect or missing platform data\n");
-		return -EINVAL;
-	}
+	int ret;
 
-	/*
-	 * bits_per_word cannot be configured in platform data
-	 */
+	/* bits_per_word cannot be configured in platform data */
 	spi->bits_per_word = 16;
-
 	ret = spi_setup(spi);
 	if (ret < 0)
 		return ret;
@@ -235,90 +66,35 @@ static int __devinit max7301_probe(struct spi_device *spi)
 	if (!ts)
 		return -ENOMEM;
 
-	mutex_init(&ts->lock);
-
-	dev_set_drvdata(&spi->dev, ts);
+	ts->read = max7301_spi_read;
+	ts->write = max7301_spi_write;
+	ts->dev = &spi->dev;
 
-	/* Power up the chip and disable IRQ output */
-	max7301_write(spi, 0x04, 0x01);
-
-	ts->spi = spi;
-
-	ts->chip.label = DRIVER_NAME,
-
-	ts->chip.direction_input = max7301_direction_input;
-	ts->chip.get = max7301_get;
-	ts->chip.direction_output = max7301_direction_output;
-	ts->chip.set = max7301_set;
-
-	ts->chip.base = pdata->base;
-	ts->chip.ngpio = PIN_NUMBER;
-	ts->chip.can_sleep = 1;
-	ts->chip.dev = &spi->dev;
-	ts->chip.owner = THIS_MODULE;
-
-	/*
-	 * tristate all pins in hardware and cache the
-	 * register values for later use.
-	 */
-	for (i = 1; i < 8; i++) {
-		int j;
-		/* 0xAA means input with internal pullup disabled */
-		max7301_write(spi, 0x08 + i, 0xAA);
-		ts->port_config[i] = 0xAA;
-		for (j = 0; j < 4; j++) {
-			int offset = (i - 1) * 4 + j;
-			ret = max7301_direction_input(&ts->chip, offset);
-			if (ret)
-				goto exit_destroy;
-		}
-	}
-
-	ret = gpiochip_add(&ts->chip);
+	ret = __max730x_probe(ts);
 	if (ret)
-		goto exit_destroy;
-
-	return ret;
-
-exit_destroy:
-	dev_set_drvdata(&spi->dev, NULL);
-	mutex_destroy(&ts->lock);
-	kfree(ts);
+		kfree(ts);
 	return ret;
 }
 
 static int __devexit max7301_remove(struct spi_device *spi)
 {
-	struct max7301 *ts;
-	int ret;
-
-	ts = dev_get_drvdata(&spi->dev);
-	if (ts == NULL)
-		return -ENODEV;
-
-	dev_set_drvdata(&spi->dev, NULL);
-
-	/* Power down the chip and disable IRQ output */
-	max7301_write(spi, 0x04, 0x00);
-
-	ret = gpiochip_remove(&ts->chip);
-	if (!ret) {
-		mutex_destroy(&ts->lock);
-		kfree(ts);
-	} else
-		dev_err(&spi->dev, "Failed to remove the GPIO controller: %d\n",
-			ret);
-
-	return ret;
+	return __max730x_remove(&spi->dev);
 }
 
+static const struct spi_device_id max7301_id[] = {
+	{ "max7301", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(spi, max7301_id);
+
 static struct spi_driver max7301_driver = {
 	.driver = {
-		.name		= DRIVER_NAME,
-		.owner		= THIS_MODULE,
+		.name = "max7301",
+		.owner = THIS_MODULE,
 	},
-	.probe		= max7301_probe,
-	.remove		= __devexit_p(max7301_remove),
+	.probe = max7301_probe,
+	.remove = __devexit_p(max7301_remove),
+	.id_table = max7301_id,
 };
 
 static int __init max7301_init(void)
@@ -336,7 +112,6 @@ static void __exit max7301_exit(void)
 }
 module_exit(max7301_exit);
 
-MODULE_AUTHOR("Juergen Beisert");
+MODULE_AUTHOR("Juergen Beisert, Wolfram Sang");
 MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("MAX7301 SPI based GPIO-Expander");
-MODULE_ALIAS("spi:" DRIVER_NAME);
+MODULE_DESCRIPTION("MAX7301 GPIO-Expander");
diff --git a/drivers/gpio/max730x.c b/drivers/gpio/max730x.c
new file mode 100644
index 000000000000..4a7d662ff9b7
--- /dev/null
+++ b/drivers/gpio/max730x.c
@@ -0,0 +1,248 @@
+/**
+ * drivers/gpio/max7301.c
+ *
+ * Copyright (C) 2006 Juergen Beisert, Pengutronix
+ * Copyright (C) 2008 Guennadi Liakhovetski, Pengutronix
+ * Copyright (C) 2009 Wolfram Sang, Pengutronix
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * The Maxim MAX7300/1 device is an I2C/SPI driven GPIO expander. There are
+ * 28 GPIOs. 8 of them can trigger an interrupt. See datasheet for more
+ * details
+ * Note:
+ * - DIN must be stable at the rising edge of clock.
+ * - when writing:
+ *   - always clock in 16 clocks at once
+ *   - at DIN: D15 first, D0 last
+ *   - D0..D7 = databyte, D8..D14 = commandbyte
+ *   - D15 = low -> write command
+ * - when reading
+ *   - always clock in 16 clocks at once
+ *   - at DIN: D15 first, D0 last
+ *   - D0..D7 = dummy, D8..D14 = register address
+ *   - D15 = high -> read command
+ *   - raise CS and assert it again
+ *   - always clock in 16 clocks at once
+ *   - at DOUT: D15 first, D0 last
+ *   - D0..D7 contains the data from the first cycle
+ *
+ * The driver exports a standard gpiochip interface
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/mutex.h>
+#include <linux/spi/max7301.h>
+#include <linux/gpio.h>
+
+/*
+ * Pin configurations, see MAX7301 datasheet page 6
+ */
+#define PIN_CONFIG_MASK 0x03
+#define PIN_CONFIG_IN_PULLUP 0x03
+#define PIN_CONFIG_IN_WO_PULLUP 0x02
+#define PIN_CONFIG_OUT 0x01
+
+#define PIN_NUMBER 28
+
+static int max7301_direction_input(struct gpio_chip *chip, unsigned offset)
+{
+	struct max7301 *ts = container_of(chip, struct max7301, chip);
+	u8 *config;
+	u8 offset_bits;
+	int ret;
+
+	/* First 4 pins are unused in the controller */
+	offset += 4;
+	offset_bits = (offset & 3) << 1;
+
+	config = &ts->port_config[offset >> 2];
+
+	mutex_lock(&ts->lock);
+
+	/* Standard GPIO API doesn't support pull-ups, has to be extended.
+	 * Hard-coding no pollup for now. */
+	*config = (*config & ~(PIN_CONFIG_MASK << offset_bits))
+			   | (PIN_CONFIG_IN_WO_PULLUP << offset_bits);
+
+	ret = ts->write(ts->dev, 0x08 + (offset >> 2), *config);
+
+	mutex_unlock(&ts->lock);
+
+	return ret;
+}
+
+static int __max7301_set(struct max7301 *ts, unsigned offset, int value)
+{
+	if (value) {
+		ts->out_level |= 1 << offset;
+		return ts->write(ts->dev, 0x20 + offset, 0x01);
+	} else {
+		ts->out_level &= ~(1 << offset);
+		return ts->write(ts->dev, 0x20 + offset, 0x00);
+	}
+}
+
+static int max7301_direction_output(struct gpio_chip *chip, unsigned offset,
+				    int value)
+{
+	struct max7301 *ts = container_of(chip, struct max7301, chip);
+	u8 *config;
+	u8 offset_bits;
+	int ret;
+
+	/* First 4 pins are unused in the controller */
+	offset += 4;
+	offset_bits = (offset & 3) << 1;
+
+	config = &ts->port_config[offset >> 2];
+
+	mutex_lock(&ts->lock);
+
+	*config = (*config & ~(PIN_CONFIG_MASK << offset_bits))
+			   | (PIN_CONFIG_OUT << offset_bits);
+
+	ret = __max7301_set(ts, offset, value);
+
+	if (!ret)
+		ret = ts->write(ts->dev, 0x08 + (offset >> 2), *config);
+
+	mutex_unlock(&ts->lock);
+
+	return ret;
+}
+
+static int max7301_get(struct gpio_chip *chip, unsigned offset)
+{
+	struct max7301 *ts = container_of(chip, struct max7301, chip);
+	int config, level = -EINVAL;
+
+	/* First 4 pins are unused in the controller */
+	offset += 4;
+
+	mutex_lock(&ts->lock);
+
+	config = (ts->port_config[offset >> 2] >> ((offset & 3) << 1))
+			& PIN_CONFIG_MASK;
+
+	switch (config) {
+	case PIN_CONFIG_OUT:
+		/* Output: return cached level */
+		level =  !!(ts->out_level & (1 << offset));
+		break;
+	case PIN_CONFIG_IN_WO_PULLUP:
+	case PIN_CONFIG_IN_PULLUP:
+		/* Input: read out */
+		level = ts->read(ts->dev, 0x20 + offset) & 0x01;
+	}
+	mutex_unlock(&ts->lock);
+
+	return level;
+}
+
+static void max7301_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+	struct max7301 *ts = container_of(chip, struct max7301, chip);
+
+	/* First 4 pins are unused in the controller */
+	offset += 4;
+
+	mutex_lock(&ts->lock);
+
+	__max7301_set(ts, offset, value);
+
+	mutex_unlock(&ts->lock);
+}
+
+int __devinit __max730x_probe(struct max7301 *ts)
+{
+	struct device *dev = ts->dev;
+	struct max7301_platform_data *pdata;
+	int i, ret;
+
+	pdata = dev->platform_data;
+	if (!pdata || !pdata->base) {
+		dev_err(dev, "incorrect or missing platform data\n");
+		return -EINVAL;
+	}
+
+	mutex_init(&ts->lock);
+	dev_set_drvdata(dev, ts);
+
+	/* Power up the chip and disable IRQ output */
+	ts->write(dev, 0x04, 0x01);
+
+	ts->chip.label = dev->driver->name;
+
+	ts->chip.direction_input = max7301_direction_input;
+	ts->chip.get = max7301_get;
+	ts->chip.direction_output = max7301_direction_output;
+	ts->chip.set = max7301_set;
+
+	ts->chip.base = pdata->base;
+	ts->chip.ngpio = PIN_NUMBER;
+	ts->chip.can_sleep = 1;
+	ts->chip.dev = dev;
+	ts->chip.owner = THIS_MODULE;
+
+	/*
+	 * tristate all pins in hardware and cache the
+	 * register values for later use.
+	 */
+	for (i = 1; i < 8; i++) {
+		int j;
+		/* 0xAA means input with internal pullup disabled */
+		ts->write(dev, 0x08 + i, 0xAA);
+		ts->port_config[i] = 0xAA;
+		for (j = 0; j < 4; j++) {
+			int offset = (i - 1) * 4 + j;
+			ret = max7301_direction_input(&ts->chip, offset);
+			if (ret)
+				goto exit_destroy;
+		}
+	}
+
+	ret = gpiochip_add(&ts->chip);
+	if (ret)
+		goto exit_destroy;
+
+	return ret;
+
+exit_destroy:
+	dev_set_drvdata(dev, NULL);
+	mutex_destroy(&ts->lock);
+	return ret;
+}
+EXPORT_SYMBOL_GPL(__max730x_probe);
+
+int __devexit __max730x_remove(struct device *dev)
+{
+	struct max7301 *ts = dev_get_drvdata(dev);
+	int ret;
+
+	if (ts == NULL)
+		return -ENODEV;
+
+	dev_set_drvdata(dev, NULL);
+
+	/* Power down the chip and disable IRQ output */
+	ts->write(dev, 0x04, 0x00);
+
+	ret = gpiochip_remove(&ts->chip);
+	if (!ret) {
+		mutex_destroy(&ts->lock);
+		kfree(ts);
+	} else
+		dev_err(dev, "Failed to remove GPIO controller: %d\n", ret);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(__max730x_remove);
+
+MODULE_AUTHOR("Juergen Beisert, Wolfram Sang");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("MAX730x GPIO-Expanders, generic parts");
diff --git a/drivers/gpio/pca953x.c b/drivers/gpio/pca953x.c
index 6a2fb3fbb3d9..ab5daab14bc2 100644
--- a/drivers/gpio/pca953x.c
+++ b/drivers/gpio/pca953x.c
@@ -14,6 +14,8 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <linux/i2c.h>
 #include <linux/i2c/pca953x.h>
 #ifdef CONFIG_OF_GPIO
@@ -26,23 +28,28 @@
 #define PCA953X_INVERT         2
 #define PCA953X_DIRECTION      3
 
+#define PCA953X_GPIOS	       0x00FF
+#define PCA953X_INT	       0x0100
+
 static const struct i2c_device_id pca953x_id[] = {
-	{ "pca9534", 8, },
-	{ "pca9535", 16, },
+	{ "pca9534", 8  | PCA953X_INT, },
+	{ "pca9535", 16 | PCA953X_INT, },
 	{ "pca9536", 4, },
-	{ "pca9537", 4, },
-	{ "pca9538", 8, },
-	{ "pca9539", 16, },
-	{ "pca9554", 8, },
-	{ "pca9555", 16, },
+	{ "pca9537", 4  | PCA953X_INT, },
+	{ "pca9538", 8  | PCA953X_INT, },
+	{ "pca9539", 16 | PCA953X_INT, },
+	{ "pca9554", 8  | PCA953X_INT, },
+	{ "pca9555", 16 | PCA953X_INT, },
 	{ "pca9556", 8, },
 	{ "pca9557", 8, },
 
 	{ "max7310", 8, },
-	{ "max7315", 8, },
-	{ "pca6107", 8, },
-	{ "tca6408", 8, },
-	{ "tca6416", 16, },
+	{ "max7312", 16 | PCA953X_INT, },
+	{ "max7313", 16 | PCA953X_INT, },
+	{ "max7315", 8  | PCA953X_INT, },
+	{ "pca6107", 8  | PCA953X_INT, },
+	{ "tca6408", 8  | PCA953X_INT, },
+	{ "tca6416", 16 | PCA953X_INT, },
 	/* NYET:  { "tca6424", 24, }, */
 	{ }
 };
@@ -53,6 +60,15 @@ struct pca953x_chip {
 	uint16_t reg_output;
 	uint16_t reg_direction;
 
+#ifdef CONFIG_GPIO_PCA953X_IRQ
+	struct mutex irq_lock;
+	uint16_t irq_mask;
+	uint16_t irq_stat;
+	uint16_t irq_trig_raise;
+	uint16_t irq_trig_fall;
+	int	 irq_base;
+#endif
+
 	struct i2c_client *client;
 	struct pca953x_platform_data *dyn_pdata;
 	struct gpio_chip gpio_chip;
@@ -202,6 +218,210 @@ static void pca953x_setup_gpio(struct pca953x_chip *chip, int gpios)
 	gc->names = chip->names;
 }
 
+#ifdef CONFIG_GPIO_PCA953X_IRQ
+static int pca953x_gpio_to_irq(struct gpio_chip *gc, unsigned off)
+{
+	struct pca953x_chip *chip;
+
+	chip = container_of(gc, struct pca953x_chip, gpio_chip);
+	return chip->irq_base + off;
+}
+
+static void pca953x_irq_mask(unsigned int irq)
+{
+	struct pca953x_chip *chip = get_irq_chip_data(irq);
+
+	chip->irq_mask &= ~(1 << (irq - chip->irq_base));
+}
+
+static void pca953x_irq_unmask(unsigned int irq)
+{
+	struct pca953x_chip *chip = get_irq_chip_data(irq);
+
+	chip->irq_mask |= 1 << (irq - chip->irq_base);
+}
+
+static void pca953x_irq_bus_lock(unsigned int irq)
+{
+	struct pca953x_chip *chip = get_irq_chip_data(irq);
+
+	mutex_lock(&chip->irq_lock);
+}
+
+static void pca953x_irq_bus_sync_unlock(unsigned int irq)
+{
+	struct pca953x_chip *chip = get_irq_chip_data(irq);
+
+	mutex_unlock(&chip->irq_lock);
+}
+
+static int pca953x_irq_set_type(unsigned int irq, unsigned int type)
+{
+	struct pca953x_chip *chip = get_irq_chip_data(irq);
+	uint16_t level = irq - chip->irq_base;
+	uint16_t mask = 1 << level;
+
+	if (!(type & IRQ_TYPE_EDGE_BOTH)) {
+		dev_err(&chip->client->dev, "irq %d: unsupported type %d\n",
+			irq, type);
+		return -EINVAL;
+	}
+
+	if (type & IRQ_TYPE_EDGE_FALLING)
+		chip->irq_trig_fall |= mask;
+	else
+		chip->irq_trig_fall &= ~mask;
+
+	if (type & IRQ_TYPE_EDGE_RISING)
+		chip->irq_trig_raise |= mask;
+	else
+		chip->irq_trig_raise &= ~mask;
+
+	return pca953x_gpio_direction_input(&chip->gpio_chip, level);
+}
+
+static struct irq_chip pca953x_irq_chip = {
+	.name			= "pca953x",
+	.mask			= pca953x_irq_mask,
+	.unmask			= pca953x_irq_unmask,
+	.bus_lock		= pca953x_irq_bus_lock,
+	.bus_sync_unlock	= pca953x_irq_bus_sync_unlock,
+	.set_type		= pca953x_irq_set_type,
+};
+
+static uint16_t pca953x_irq_pending(struct pca953x_chip *chip)
+{
+	uint16_t cur_stat;
+	uint16_t old_stat;
+	uint16_t pending;
+	uint16_t trigger;
+	int ret;
+
+	ret = pca953x_read_reg(chip, PCA953X_INPUT, &cur_stat);
+	if (ret)
+		return 0;
+
+	/* Remove output pins from the equation */
+	cur_stat &= chip->reg_direction;
+
+	old_stat = chip->irq_stat;
+	trigger = (cur_stat ^ old_stat) & chip->irq_mask;
+
+	if (!trigger)
+		return 0;
+
+	chip->irq_stat = cur_stat;
+
+	pending = (old_stat & chip->irq_trig_fall) |
+		  (cur_stat & chip->irq_trig_raise);
+	pending &= trigger;
+
+	return pending;
+}
+
+static irqreturn_t pca953x_irq_handler(int irq, void *devid)
+{
+	struct pca953x_chip *chip = devid;
+	uint16_t pending;
+	uint16_t level;
+
+	pending = pca953x_irq_pending(chip);
+
+	if (!pending)
+		return IRQ_HANDLED;
+
+	do {
+		level = __ffs(pending);
+		handle_nested_irq(level + chip->irq_base);
+
+		pending &= ~(1 << level);
+	} while (pending);
+
+	return IRQ_HANDLED;
+}
+
+static int pca953x_irq_setup(struct pca953x_chip *chip,
+			     const struct i2c_device_id *id)
+{
+	struct i2c_client *client = chip->client;
+	struct pca953x_platform_data *pdata = client->dev.platform_data;
+	int ret;
+
+	if (pdata->irq_base && (id->driver_data & PCA953X_INT)) {
+		int lvl;
+
+		ret = pca953x_read_reg(chip, PCA953X_INPUT,
+				       &chip->irq_stat);
+		if (ret)
+			goto out_failed;
+
+		/*
+		 * There is no way to know which GPIO line generated the
+		 * interrupt.  We have to rely on the previous read for
+		 * this purpose.
+		 */
+		chip->irq_stat &= chip->reg_direction;
+		chip->irq_base = pdata->irq_base;
+		mutex_init(&chip->irq_lock);
+
+		for (lvl = 0; lvl < chip->gpio_chip.ngpio; lvl++) {
+			int irq = lvl + chip->irq_base;
+
+			set_irq_chip_data(irq, chip);
+			set_irq_chip_and_handler(irq, &pca953x_irq_chip,
+						 handle_edge_irq);
+			set_irq_nested_thread(irq, 1);
+#ifdef CONFIG_ARM
+			set_irq_flags(irq, IRQF_VALID);
+#else
+			set_irq_noprobe(irq);
+#endif
+		}
+
+		ret = request_threaded_irq(client->irq,
+					   NULL,
+					   pca953x_irq_handler,
+					   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+					   dev_name(&client->dev), chip);
+		if (ret) {
+			dev_err(&client->dev, "failed to request irq %d\n",
+				client->irq);
+			goto out_failed;
+		}
+
+		chip->gpio_chip.to_irq = pca953x_gpio_to_irq;
+	}
+
+	return 0;
+
+out_failed:
+	chip->irq_base = 0;
+	return ret;
+}
+
+static void pca953x_irq_teardown(struct pca953x_chip *chip)
+{
+	if (chip->irq_base)
+		free_irq(chip->client->irq, chip);
+}
+#else /* CONFIG_GPIO_PCA953X_IRQ */
+static int pca953x_irq_setup(struct pca953x_chip *chip,
+			     const struct i2c_device_id *id)
+{
+	struct i2c_client *client = chip->client;
+	struct pca953x_platform_data *pdata = client->dev.platform_data;
+
+	if (pdata->irq_base && (id->driver_data & PCA953X_INT))
+		dev_warn(&client->dev, "interrupt support not compiled in\n");
+
+	return 0;
+}
+
+static void pca953x_irq_teardown(struct pca953x_chip *chip)
+{
+}
+#endif
+
 /*
  * Handlers for alternative sources of platform_data
  */
@@ -286,7 +506,7 @@ static int __devinit pca953x_probe(struct i2c_client *client,
 	/* initialize cached registers from their original values.
 	 * we can't share this chip with another i2c master.
 	 */
-	pca953x_setup_gpio(chip, id->driver_data);
+	pca953x_setup_gpio(chip, id->driver_data & PCA953X_GPIOS);
 
 	ret = pca953x_read_reg(chip, PCA953X_OUTPUT, &chip->reg_output);
 	if (ret)
@@ -301,6 +521,9 @@ static int __devinit pca953x_probe(struct i2c_client *client,
 	if (ret)
 		goto out_failed;
 
+	ret = pca953x_irq_setup(chip, id);
+	if (ret)
+		goto out_failed;
 
 	ret = gpiochip_add(&chip->gpio_chip);
 	if (ret)
@@ -317,6 +540,7 @@ static int __devinit pca953x_probe(struct i2c_client *client,
 	return 0;
 
 out_failed:
+	pca953x_irq_teardown(chip);
 	kfree(chip->dyn_pdata);
 	kfree(chip);
 	return ret;
@@ -345,6 +569,7 @@ static int pca953x_remove(struct i2c_client *client)
 		return ret;
 	}
 
+	pca953x_irq_teardown(chip);
 	kfree(chip->dyn_pdata);
 	kfree(chip);
 	return 0;
diff --git a/drivers/gpio/pl061.c b/drivers/gpio/pl061.c
index 4ee4c8367a3f..3ad1eeb49609 100644
--- a/drivers/gpio/pl061.c
+++ b/drivers/gpio/pl061.c
@@ -219,7 +219,7 @@ static void pl061_irq_handler(unsigned irq, struct irq_desc *desc)
 		if (pending == 0)
 			continue;
 
-		for_each_bit(offset, &pending, PL061_GPIO_NR)
+		for_each_set_bit(offset, &pending, PL061_GPIO_NR)
 			generic_handle_irq(pl061_to_irq(&chip->gc, offset));
 	}
 	desc->chip->unmask(irq);
diff --git a/drivers/gpio/sch_gpio.c b/drivers/gpio/sch_gpio.c
new file mode 100644
index 000000000000..583521352c16
--- /dev/null
+++ b/drivers/gpio/sch_gpio.c
@@ -0,0 +1,295 @@
+/*
+ *  sch_gpio.c - GPIO interface for Intel Poulsbo SCH
+ *
+ *  Copyright (c) 2010 CompuLab Ltd
+ *  Author: Denis Turischev <denis@compulab.co.il>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License 2 as published
+ *  by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; see the file COPYING.  If not, write to
+ *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/errno.h>
+#include <linux/acpi.h>
+#include <linux/platform_device.h>
+
+#include <linux/gpio.h>
+
+static DEFINE_SPINLOCK(gpio_lock);
+
+#define CGEN	(0x00)
+#define CGIO	(0x04)
+#define CGLV	(0x08)
+
+#define RGEN	(0x20)
+#define RGIO	(0x24)
+#define RGLV	(0x28)
+
+static unsigned short gpio_ba;
+
+static int sch_gpio_core_direction_in(struct gpio_chip *gc, unsigned  gpio_num)
+{
+	u8 curr_dirs;
+	unsigned short offset, bit;
+
+	spin_lock(&gpio_lock);
+
+	offset = CGIO + gpio_num / 8;
+	bit = gpio_num % 8;
+
+	curr_dirs = inb(gpio_ba + offset);
+
+	if (!(curr_dirs & (1 << bit)))
+		outb(curr_dirs | (1 << bit), gpio_ba + offset);
+
+	spin_unlock(&gpio_lock);
+	return 0;
+}
+
+static int sch_gpio_core_get(struct gpio_chip *gc, unsigned gpio_num)
+{
+	int res;
+	unsigned short offset, bit;
+
+	offset = CGLV + gpio_num / 8;
+	bit = gpio_num % 8;
+
+	res = !!(inb(gpio_ba + offset) & (1 << bit));
+	return res;
+}
+
+static void sch_gpio_core_set(struct gpio_chip *gc, unsigned gpio_num, int val)
+{
+	u8 curr_vals;
+	unsigned short offset, bit;
+
+	spin_lock(&gpio_lock);
+
+	offset = CGLV + gpio_num / 8;
+	bit = gpio_num % 8;
+
+	curr_vals = inb(gpio_ba + offset);
+
+	if (val)
+		outb(curr_vals | (1 << bit), gpio_ba + offset);
+	else
+		outb((curr_vals & ~(1 << bit)), gpio_ba + offset);
+	spin_unlock(&gpio_lock);
+}
+
+static int sch_gpio_core_direction_out(struct gpio_chip *gc,
+					unsigned gpio_num, int val)
+{
+	u8 curr_dirs;
+	unsigned short offset, bit;
+
+	sch_gpio_core_set(gc, gpio_num, val);
+
+	spin_lock(&gpio_lock);
+
+	offset = CGIO + gpio_num / 8;
+	bit = gpio_num % 8;
+
+	curr_dirs = inb(gpio_ba + offset);
+	if (curr_dirs & (1 << bit))
+		outb(curr_dirs & ~(1 << bit), gpio_ba + offset);
+
+	spin_unlock(&gpio_lock);
+	return 0;
+}
+
+static struct gpio_chip sch_gpio_core = {
+	.label			= "sch_gpio_core",
+	.owner			= THIS_MODULE,
+	.direction_input	= sch_gpio_core_direction_in,
+	.get			= sch_gpio_core_get,
+	.direction_output	= sch_gpio_core_direction_out,
+	.set			= sch_gpio_core_set,
+};
+
+static int sch_gpio_resume_direction_in(struct gpio_chip *gc,
+					unsigned gpio_num)
+{
+	u8 curr_dirs;
+
+	spin_lock(&gpio_lock);
+
+	curr_dirs = inb(gpio_ba + RGIO);
+
+	if (!(curr_dirs & (1 << gpio_num)))
+		outb(curr_dirs | (1 << gpio_num) , gpio_ba + RGIO);
+
+	spin_unlock(&gpio_lock);
+	return 0;
+}
+
+static int sch_gpio_resume_get(struct gpio_chip *gc, unsigned gpio_num)
+{
+	return !!(inb(gpio_ba + RGLV) & (1 << gpio_num));
+}
+
+static void sch_gpio_resume_set(struct gpio_chip *gc,
+				unsigned gpio_num, int val)
+{
+	u8 curr_vals;
+
+	spin_lock(&gpio_lock);
+
+	curr_vals = inb(gpio_ba + RGLV);
+
+	if (val)
+		outb(curr_vals | (1 << gpio_num), gpio_ba + RGLV);
+	else
+		outb((curr_vals & ~(1 << gpio_num)), gpio_ba + RGLV);
+
+	spin_unlock(&gpio_lock);
+}
+
+static int sch_gpio_resume_direction_out(struct gpio_chip *gc,
+					unsigned gpio_num, int val)
+{
+	u8 curr_dirs;
+
+	sch_gpio_resume_set(gc, gpio_num, val);
+
+	spin_lock(&gpio_lock);
+
+	curr_dirs = inb(gpio_ba + RGIO);
+	if (curr_dirs & (1 << gpio_num))
+		outb(curr_dirs & ~(1 << gpio_num), gpio_ba + RGIO);
+
+	spin_unlock(&gpio_lock);
+	return 0;
+}
+
+static struct gpio_chip sch_gpio_resume = {
+	.label			= "sch_gpio_resume",
+	.owner			= THIS_MODULE,
+	.direction_input	= sch_gpio_resume_direction_in,
+	.get			= sch_gpio_resume_get,
+	.direction_output	= sch_gpio_resume_direction_out,
+	.set			= sch_gpio_resume_set,
+};
+
+static int __devinit sch_gpio_probe(struct platform_device *pdev)
+{
+	struct resource *res;
+	int err;
+
+	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+	if (!res)
+		return -EBUSY;
+
+	if (!request_region(res->start, resource_size(res), pdev->name))
+		return -EBUSY;
+
+	gpio_ba = res->start;
+
+	sch_gpio_core.base = 0;
+	sch_gpio_core.ngpio = 10;
+	sch_gpio_core.dev = &pdev->dev;
+
+	sch_gpio_resume.base = 10;
+	sch_gpio_resume.ngpio = 4;
+	sch_gpio_resume.dev = &pdev->dev;
+
+	err = gpiochip_add(&sch_gpio_core);
+	if (err < 0)
+		goto err_sch_gpio_core;
+
+	err = gpiochip_add(&sch_gpio_resume);
+	if (err < 0)
+		goto err_sch_gpio_resume;
+
+	/*
+	 * GPIO[6:0] enabled by default
+	 * GPIO7 is configured by the CMC as SLPIOVR
+	 * Enable GPIO[9:8] core powered gpios explicitly
+	 */
+	outb(0x3, gpio_ba + CGEN + 1);
+	/*
+	 * SUS_GPIO[2:0] enabled by default
+	 * Enable SUS_GPIO3 resume powered gpio explicitly
+	 */
+	outb(0x8, gpio_ba + RGEN);
+
+	return 0;
+
+err_sch_gpio_resume:
+	err = gpiochip_remove(&sch_gpio_core);
+	if (err)
+		dev_err(&pdev->dev, "%s failed, %d\n",
+				"gpiochip_remove()", err);
+
+err_sch_gpio_core:
+	release_region(res->start, resource_size(res));
+	gpio_ba = 0;
+
+	return err;
+}
+
+static int __devexit sch_gpio_remove(struct platform_device *pdev)
+{
+	struct resource *res;
+	if (gpio_ba) {
+		int err;
+
+		err  = gpiochip_remove(&sch_gpio_core);
+		if (err)
+			dev_err(&pdev->dev, "%s failed, %d\n",
+				"gpiochip_remove()", err);
+		err = gpiochip_remove(&sch_gpio_resume);
+		if (err)
+			dev_err(&pdev->dev, "%s failed, %d\n",
+				"gpiochip_remove()", err);
+
+		res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+
+		release_region(res->start, resource_size(res));
+		gpio_ba = 0;
+
+		return err;
+	}
+
+	return 0;
+}
+
+static struct platform_driver sch_gpio_driver = {
+	.driver = {
+		.name = "sch_gpio",
+		.owner = THIS_MODULE,
+	},
+	.probe		= sch_gpio_probe,
+	.remove		= __devexit_p(sch_gpio_remove),
+};
+
+static int __init sch_gpio_init(void)
+{
+	return platform_driver_register(&sch_gpio_driver);
+}
+
+static void __exit sch_gpio_exit(void)
+{
+	platform_driver_unregister(&sch_gpio_driver);
+}
+
+module_init(sch_gpio_init);
+module_exit(sch_gpio_exit);
+
+MODULE_AUTHOR("Denis Turischev <denis@compulab.co.il>");
+MODULE_DESCRIPTION("GPIO interface for Intel Poulsbo SCH");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:sch_gpio");
diff --git a/drivers/gpio/timbgpio.c b/drivers/gpio/timbgpio.c
index a4d344ba8e5c..d4295fa5369e 100644
--- a/drivers/gpio/timbgpio.c
+++ b/drivers/gpio/timbgpio.c
@@ -23,6 +23,7 @@
 #include <linux/module.h>
 #include <linux/gpio.h>
 #include <linux/platform_device.h>
+#include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/timb_gpio.h>
 #include <linux/interrupt.h>
@@ -37,6 +38,8 @@
 #define TGPIO_ICR	0x14
 #define TGPIO_FLR	0x18
 #define TGPIO_LVR	0x1c
+#define TGPIO_VER	0x20
+#define TGPIO_BFLR	0x24
 
 struct timbgpio {
 	void __iomem		*membase;
@@ -125,17 +128,23 @@ static int timbgpio_irq_type(unsigned irq, unsigned trigger)
 	struct timbgpio *tgpio = get_irq_chip_data(irq);
 	int offset = irq - tgpio->irq_base;
 	unsigned long flags;
-	u32 lvr, flr;
+	u32 lvr, flr, bflr = 0;
+	u32 ver;
 
 	if (offset < 0 || offset > tgpio->gpio.ngpio)
 		return -EINVAL;
 
+	ver = ioread32(tgpio->membase + TGPIO_VER);
+
 	spin_lock_irqsave(&tgpio->lock, flags);
 
 	lvr = ioread32(tgpio->membase + TGPIO_LVR);
 	flr = ioread32(tgpio->membase + TGPIO_FLR);
+	if (ver > 2)
+		bflr = ioread32(tgpio->membase + TGPIO_BFLR);
 
 	if (trigger & (IRQ_TYPE_LEVEL_HIGH | IRQ_TYPE_LEVEL_LOW)) {
+		bflr &= ~(1 << offset);
 		flr &= ~(1 << offset);
 		if (trigger & IRQ_TYPE_LEVEL_HIGH)
 			lvr |= 1 << offset;
@@ -143,21 +152,27 @@ static int timbgpio_irq_type(unsigned irq, unsigned trigger)
 			lvr &= ~(1 << offset);
 	}
 
-	if ((trigger & IRQ_TYPE_EDGE_BOTH) == IRQ_TYPE_EDGE_BOTH)
-		return -EINVAL;
-	else {
+	if ((trigger & IRQ_TYPE_EDGE_BOTH) == IRQ_TYPE_EDGE_BOTH) {
+		if (ver < 3)
+			return -EINVAL;
+		else {
+			flr |= 1 << offset;
+			bflr |= 1 << offset;
+		}
+	} else {
+		bflr &= ~(1 << offset);
 		flr |= 1 << offset;
-		/* opposite compared to the datasheet, but it mirrors the
-		 * reality
-		 */
 		if (trigger & IRQ_TYPE_EDGE_FALLING)
-			lvr |= 1 << offset;
-		else
 			lvr &= ~(1 << offset);
+		else
+			lvr |= 1 << offset;
 	}
 
 	iowrite32(lvr, tgpio->membase + TGPIO_LVR);
 	iowrite32(flr, tgpio->membase + TGPIO_FLR);
+	if (ver > 2)
+		iowrite32(bflr, tgpio->membase + TGPIO_BFLR);
+
 	iowrite32(1 << offset, tgpio->membase + TGPIO_ICR);
 	spin_unlock_irqrestore(&tgpio->lock, flags);
 
@@ -174,7 +189,7 @@ static void timbgpio_irq(unsigned int irq, struct irq_desc *desc)
 	ipr = ioread32(tgpio->membase + TGPIO_IPR);
 	iowrite32(ipr, tgpio->membase + TGPIO_ICR);
 
-	for_each_bit(offset, &ipr, tgpio->gpio.ngpio)
+	for_each_set_bit(offset, &ipr, tgpio->gpio.ngpio)
 		generic_handle_irq(timbgpio_to_irq(&tgpio->gpio, offset));
 }
 
diff --git a/drivers/gpio/wm831x-gpio.c b/drivers/gpio/wm831x-gpio.c
index b4468b616890..d09021f4a7d3 100644
--- a/drivers/gpio/wm831x-gpio.c
+++ b/drivers/gpio/wm831x-gpio.c
@@ -38,10 +38,14 @@ static int wm831x_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
 {
 	struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
 	struct wm831x *wm831x = wm831x_gpio->wm831x;
+	int val = WM831X_GPN_DIR;
+
+	if (wm831x->has_gpio_ena)
+		val |= WM831X_GPN_TRI;
 
 	return wm831x_set_bits(wm831x, WM831X_GPIO1_CONTROL + offset,
-			       WM831X_GPN_DIR | WM831X_GPN_TRI,
-			       WM831X_GPN_DIR);
+			       WM831X_GPN_DIR | WM831X_GPN_TRI |
+			       WM831X_GPN_FN_MASK, val);
 }
 
 static int wm831x_gpio_get(struct gpio_chip *chip, unsigned offset)
@@ -60,23 +64,36 @@ static int wm831x_gpio_get(struct gpio_chip *chip, unsigned offset)
 		return 0;
 }
 
-static int wm831x_gpio_direction_out(struct gpio_chip *chip,
-				     unsigned offset, int value)
+static void wm831x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
 {
 	struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
 	struct wm831x *wm831x = wm831x_gpio->wm831x;
 
-	return wm831x_set_bits(wm831x, WM831X_GPIO1_CONTROL + offset,
-			       WM831X_GPN_DIR | WM831X_GPN_TRI, 0);
+	wm831x_set_bits(wm831x, WM831X_GPIO_LEVEL, 1 << offset,
+			value << offset);
 }
 
-static void wm831x_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+static int wm831x_gpio_direction_out(struct gpio_chip *chip,
+				     unsigned offset, int value)
 {
 	struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
 	struct wm831x *wm831x = wm831x_gpio->wm831x;
+	int val = 0;
+	int ret;
 
-	wm831x_set_bits(wm831x, WM831X_GPIO_LEVEL, 1 << offset,
-			value << offset);
+	if (wm831x->has_gpio_ena)
+		val |= WM831X_GPN_TRI;
+
+	ret = wm831x_set_bits(wm831x, WM831X_GPIO1_CONTROL + offset,
+			      WM831X_GPN_DIR | WM831X_GPN_TRI |
+			      WM831X_GPN_FN_MASK, val);
+	if (ret < 0)
+		return ret;
+
+	/* Can only set GPIO state once it's in output mode */
+	wm831x_gpio_set(chip, offset, value);
+
+	return 0;
 }
 
 static int wm831x_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
@@ -95,7 +112,7 @@ static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
 {
 	struct wm831x_gpio *wm831x_gpio = to_wm831x_gpio(chip);
 	struct wm831x *wm831x = wm831x_gpio->wm831x;
-	int i;
+	int i, tristated;
 
 	for (i = 0; i < chip->ngpio; i++) {
 		int gpio = i + chip->base;
@@ -162,15 +179,19 @@ static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
 			break;
 		}
 
+		tristated = reg & WM831X_GPN_TRI;
+		if (wm831x->has_gpio_ena)
+			tristated = !tristated;
+
 		seq_printf(s, " %s %s %s %s%s\n"
 			   "                                  %s%s (0x%4x)\n",
 			   reg & WM831X_GPN_DIR ? "in" : "out",
 			   wm831x_gpio_get(chip, i) ? "high" : "low",
 			   pull,
 			   powerdomain,
-			   reg & WM831X_GPN_POL ? " inverted" : "",
+			   reg & WM831X_GPN_POL ? "" : " inverted",
 			   reg & WM831X_GPN_OD ? "open-drain" : "CMOS",
-			   reg & WM831X_GPN_TRI ? " tristated" : "",
+			   tristated ? " tristated" : "",
 			   reg);
 	}
 }
diff --git a/drivers/gpio/wm8350-gpiolib.c b/drivers/gpio/wm8350-gpiolib.c
new file mode 100644
index 000000000000..511840d1c7ba
--- /dev/null
+++ b/drivers/gpio/wm8350-gpiolib.c
@@ -0,0 +1,181 @@
+/*
+ * wm835x-gpiolib.c  --  gpiolib support for Wolfson WM835x PMICs
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/gpio.h>
+#include <linux/mfd/core.h>
+#include <linux/platform_device.h>
+#include <linux/seq_file.h>
+
+#include <linux/mfd/wm8350/core.h>
+#include <linux/mfd/wm8350/gpio.h>
+
+struct wm8350_gpio_data {
+	struct wm8350 *wm8350;
+	struct gpio_chip gpio_chip;
+};
+
+static inline struct wm8350_gpio_data *to_wm8350_gpio(struct gpio_chip *chip)
+{
+	return container_of(chip, struct wm8350_gpio_data, gpio_chip);
+}
+
+static int wm8350_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
+{
+	struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
+	struct wm8350 *wm8350 = wm8350_gpio->wm8350;
+
+	return wm8350_set_bits(wm8350, WM8350_GPIO_CONFIGURATION_I_O,
+			       1 << offset);
+}
+
+static int wm8350_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+	struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
+	struct wm8350 *wm8350 = wm8350_gpio->wm8350;
+	int ret;
+
+	ret = wm8350_reg_read(wm8350, WM8350_GPIO_LEVEL);
+	if (ret < 0)
+		return ret;
+
+	if (ret & (1 << offset))
+		return 1;
+	else
+		return 0;
+}
+
+static void wm8350_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+	struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
+	struct wm8350 *wm8350 = wm8350_gpio->wm8350;
+
+	if (value)
+		wm8350_set_bits(wm8350, WM8350_GPIO_LEVEL, 1 << offset);
+	else
+		wm8350_clear_bits(wm8350, WM8350_GPIO_LEVEL, 1 << offset);
+}
+
+static int wm8350_gpio_direction_out(struct gpio_chip *chip,
+				     unsigned offset, int value)
+{
+	struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
+	struct wm8350 *wm8350 = wm8350_gpio->wm8350;
+	int ret;
+
+	ret = wm8350_clear_bits(wm8350, WM8350_GPIO_CONFIGURATION_I_O,
+				1 << offset);
+	if (ret < 0)
+		return ret;
+
+	/* Don't have an atomic direction/value setup */
+	wm8350_gpio_set(chip, offset, value);
+
+	return 0;
+}
+
+static int wm8350_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
+{
+	struct wm8350_gpio_data *wm8350_gpio = to_wm8350_gpio(chip);
+	struct wm8350 *wm8350 = wm8350_gpio->wm8350;
+
+	if (!wm8350->irq_base)
+		return -EINVAL;
+
+	return wm8350->irq_base + WM8350_IRQ_GPIO(offset);
+}
+
+static struct gpio_chip template_chip = {
+	.label			= "wm8350",
+	.owner			= THIS_MODULE,
+	.direction_input	= wm8350_gpio_direction_in,
+	.get			= wm8350_gpio_get,
+	.direction_output	= wm8350_gpio_direction_out,
+	.set			= wm8350_gpio_set,
+	.to_irq			= wm8350_gpio_to_irq,
+	.can_sleep		= 1,
+};
+
+static int __devinit wm8350_gpio_probe(struct platform_device *pdev)
+{
+	struct wm8350 *wm8350 = dev_get_drvdata(pdev->dev.parent);
+	struct wm8350_platform_data *pdata = wm8350->dev->platform_data;
+	struct wm8350_gpio_data *wm8350_gpio;
+	int ret;
+
+	wm8350_gpio = kzalloc(sizeof(*wm8350_gpio), GFP_KERNEL);
+	if (wm8350_gpio == NULL)
+		return -ENOMEM;
+
+	wm8350_gpio->wm8350 = wm8350;
+	wm8350_gpio->gpio_chip = template_chip;
+	wm8350_gpio->gpio_chip.ngpio = 13;
+	wm8350_gpio->gpio_chip.dev = &pdev->dev;
+	if (pdata && pdata->gpio_base)
+		wm8350_gpio->gpio_chip.base = pdata->gpio_base;
+	else
+		wm8350_gpio->gpio_chip.base = -1;
+
+	ret = gpiochip_add(&wm8350_gpio->gpio_chip);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Could not register gpiochip, %d\n",
+			ret);
+		goto err;
+	}
+
+	platform_set_drvdata(pdev, wm8350_gpio);
+
+	return ret;
+
+err:
+	kfree(wm8350_gpio);
+	return ret;
+}
+
+static int __devexit wm8350_gpio_remove(struct platform_device *pdev)
+{
+	struct wm8350_gpio_data *wm8350_gpio = platform_get_drvdata(pdev);
+	int ret;
+
+	ret = gpiochip_remove(&wm8350_gpio->gpio_chip);
+	if (ret == 0)
+		kfree(wm8350_gpio);
+
+	return ret;
+}
+
+static struct platform_driver wm8350_gpio_driver = {
+	.driver.name	= "wm8350-gpio",
+	.driver.owner	= THIS_MODULE,
+	.probe		= wm8350_gpio_probe,
+	.remove		= __devexit_p(wm8350_gpio_remove),
+};
+
+static int __init wm8350_gpio_init(void)
+{
+	return platform_driver_register(&wm8350_gpio_driver);
+}
+subsys_initcall(wm8350_gpio_init);
+
+static void __exit wm8350_gpio_exit(void)
+{
+	platform_driver_unregister(&wm8350_gpio_driver);
+}
+module_exit(wm8350_gpio_exit);
+
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("GPIO interface for WM8350 PMICs");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm8350-gpio");
diff --git a/drivers/gpio/wm8994-gpio.c b/drivers/gpio/wm8994-gpio.c
new file mode 100644
index 000000000000..de28b4a470ea
--- /dev/null
+++ b/drivers/gpio/wm8994-gpio.c
@@ -0,0 +1,204 @@
+/*
+ * wm8994-gpio.c  --  gpiolib support for Wolfson WM8994
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/gpio.h>
+#include <linux/mfd/core.h>
+#include <linux/platform_device.h>
+#include <linux/seq_file.h>
+
+#include <linux/mfd/wm8994/core.h>
+#include <linux/mfd/wm8994/pdata.h>
+#include <linux/mfd/wm8994/gpio.h>
+#include <linux/mfd/wm8994/registers.h>
+
+struct wm8994_gpio {
+	struct wm8994 *wm8994;
+	struct gpio_chip gpio_chip;
+};
+
+static inline struct wm8994_gpio *to_wm8994_gpio(struct gpio_chip *chip)
+{
+	return container_of(chip, struct wm8994_gpio, gpio_chip);
+}
+
+static int wm8994_gpio_direction_in(struct gpio_chip *chip, unsigned offset)
+{
+	struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip);
+	struct wm8994 *wm8994 = wm8994_gpio->wm8994;
+
+	return wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset,
+			       WM8994_GPN_DIR, WM8994_GPN_DIR);
+}
+
+static int wm8994_gpio_get(struct gpio_chip *chip, unsigned offset)
+{
+	struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip);
+	struct wm8994 *wm8994 = wm8994_gpio->wm8994;
+	int ret;
+
+	ret = wm8994_reg_read(wm8994, WM8994_GPIO_1 + offset);
+	if (ret < 0)
+		return ret;
+
+	if (ret & WM8994_GPN_LVL)
+		return 1;
+	else
+		return 0;
+}
+
+static int wm8994_gpio_direction_out(struct gpio_chip *chip,
+				     unsigned offset, int value)
+{
+	struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip);
+	struct wm8994 *wm8994 = wm8994_gpio->wm8994;
+
+	return wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset,
+			       WM8994_GPN_DIR, 0);
+}
+
+static void wm8994_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+{
+	struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip);
+	struct wm8994 *wm8994 = wm8994_gpio->wm8994;
+
+	if (value)
+		value = WM8994_GPN_LVL;
+
+	wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset, WM8994_GPN_LVL, value);
+}
+
+#ifdef CONFIG_DEBUG_FS
+static void wm8994_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
+{
+	struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip);
+	struct wm8994 *wm8994 = wm8994_gpio->wm8994;
+	int i;
+
+	for (i = 0; i < chip->ngpio; i++) {
+		int gpio = i + chip->base;
+		int reg;
+		const char *label;
+
+		/* We report the GPIO even if it's not requested since
+		 * we're also reporting things like alternate
+		 * functions which apply even when the GPIO is not in
+		 * use as a GPIO.
+		 */
+		label = gpiochip_is_requested(chip, i);
+		if (!label)
+			label = "Unrequested";
+
+		seq_printf(s, " gpio-%-3d (%-20.20s) ", gpio, label);
+
+		reg = wm8994_reg_read(wm8994, WM8994_GPIO_1 + i);
+		if (reg < 0) {
+			dev_err(wm8994->dev,
+				"GPIO control %d read failed: %d\n",
+				gpio, reg);
+			seq_printf(s, "\n");
+			continue;
+		}
+
+		/* No decode yet; note that GPIO2 is special */
+		seq_printf(s, "(%x)\n", reg);
+	}
+}
+#else
+#define wm8994_gpio_dbg_show NULL
+#endif
+
+static struct gpio_chip template_chip = {
+	.label			= "wm8994",
+	.owner			= THIS_MODULE,
+	.direction_input	= wm8994_gpio_direction_in,
+	.get			= wm8994_gpio_get,
+	.direction_output	= wm8994_gpio_direction_out,
+	.set			= wm8994_gpio_set,
+	.dbg_show		= wm8994_gpio_dbg_show,
+	.can_sleep		= 1,
+};
+
+static int __devinit wm8994_gpio_probe(struct platform_device *pdev)
+{
+	struct wm8994 *wm8994 = dev_get_drvdata(pdev->dev.parent);
+	struct wm8994_pdata *pdata = wm8994->dev->platform_data;
+	struct wm8994_gpio *wm8994_gpio;
+	int ret;
+
+	wm8994_gpio = kzalloc(sizeof(*wm8994_gpio), GFP_KERNEL);
+	if (wm8994_gpio == NULL)
+		return -ENOMEM;
+
+	wm8994_gpio->wm8994 = wm8994;
+	wm8994_gpio->gpio_chip = template_chip;
+	wm8994_gpio->gpio_chip.ngpio = WM8994_GPIO_MAX;
+	wm8994_gpio->gpio_chip.dev = &pdev->dev;
+	if (pdata && pdata->gpio_base)
+		wm8994_gpio->gpio_chip.base = pdata->gpio_base;
+	else
+		wm8994_gpio->gpio_chip.base = -1;
+
+	ret = gpiochip_add(&wm8994_gpio->gpio_chip);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Could not register gpiochip, %d\n",
+			ret);
+		goto err;
+	}
+
+	platform_set_drvdata(pdev, wm8994_gpio);
+
+	return ret;
+
+err:
+	kfree(wm8994_gpio);
+	return ret;
+}
+
+static int __devexit wm8994_gpio_remove(struct platform_device *pdev)
+{
+	struct wm8994_gpio *wm8994_gpio = platform_get_drvdata(pdev);
+	int ret;
+
+	ret = gpiochip_remove(&wm8994_gpio->gpio_chip);
+	if (ret == 0)
+		kfree(wm8994_gpio);
+
+	return ret;
+}
+
+static struct platform_driver wm8994_gpio_driver = {
+	.driver.name	= "wm8994-gpio",
+	.driver.owner	= THIS_MODULE,
+	.probe		= wm8994_gpio_probe,
+	.remove		= __devexit_p(wm8994_gpio_remove),
+};
+
+static int __init wm8994_gpio_init(void)
+{
+	return platform_driver_register(&wm8994_gpio_driver);
+}
+subsys_initcall(wm8994_gpio_init);
+
+static void __exit wm8994_gpio_exit(void)
+{
+	platform_driver_unregister(&wm8994_gpio_driver);
+}
+module_exit(wm8994_gpio_exit);
+
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("GPIO interface for WM8994");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm8994-gpio");
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index 39c5aa75b8f1..abe3f446ca48 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -4,7 +4,7 @@
 
 ccflags-y := -Iinclude/drm
 
-drm-y       :=	drm_auth.o drm_bufs.o drm_cache.o \
+drm-y       :=	drm_auth.o drm_buffer.o drm_bufs.o drm_cache.o \
 		drm_context.o drm_dma.o drm_drawable.o \
 		drm_drv.o drm_fops.o drm_gem.o drm_ioctl.o drm_irq.o \
 		drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \
diff --git a/drivers/gpu/drm/drm_buffer.c b/drivers/gpu/drm/drm_buffer.c
new file mode 100644
index 000000000000..55d03ed05000
--- /dev/null
+++ b/drivers/gpu/drm/drm_buffer.c
@@ -0,0 +1,184 @@
+/**************************************************************************
+ *
+ * Copyright 2010 Pauli Nieminen.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ *
+ **************************************************************************/
+/*
+ * Multipart buffer for coping data which is larger than the page size.
+ *
+ * Authors:
+ * Pauli Nieminen <suokkos-at-gmail-dot-com>
+ */
+
+#include "drm_buffer.h"
+
+/**
+ * Allocate the drm buffer object.
+ *
+ *   buf: Pointer to a pointer where the object is stored.
+ *   size: The number of bytes to allocate.
+ */
+int drm_buffer_alloc(struct drm_buffer **buf, int size)
+{
+	int nr_pages = size / PAGE_SIZE + 1;
+	int idx;
+
+	/* Allocating pointer table to end of structure makes drm_buffer
+	 * variable sized */
+	*buf = kzalloc(sizeof(struct drm_buffer) + nr_pages*sizeof(char *),
+			GFP_KERNEL);
+
+	if (*buf == NULL) {
+		DRM_ERROR("Failed to allocate drm buffer object to hold"
+				" %d bytes in %d pages.\n",
+				size, nr_pages);
+		return -ENOMEM;
+	}
+
+	(*buf)->size = size;
+
+	for (idx = 0; idx < nr_pages; ++idx) {
+
+		(*buf)->data[idx] =
+			kmalloc(min(PAGE_SIZE, size - idx * PAGE_SIZE),
+				GFP_KERNEL);
+
+
+		if ((*buf)->data[idx] == NULL) {
+			DRM_ERROR("Failed to allocate %dth page for drm"
+					" buffer with %d bytes and %d pages.\n",
+					idx + 1, size, nr_pages);
+			goto error_out;
+		}
+
+	}
+
+	return 0;
+
+error_out:
+
+	/* Only last element can be null pointer so check for it first. */
+	if ((*buf)->data[idx])
+		kfree((*buf)->data[idx]);
+
+	for (--idx; idx >= 0; --idx)
+		kfree((*buf)->data[idx]);
+
+	kfree(*buf);
+	return -ENOMEM;
+}
+EXPORT_SYMBOL(drm_buffer_alloc);
+
+/**
+ * Copy the user data to the begin of the buffer and reset the processing
+ * iterator.
+ *
+ *   user_data: A pointer the data that is copied to the buffer.
+ *   size: The Number of bytes to copy.
+ */
+extern int drm_buffer_copy_from_user(struct drm_buffer *buf,
+		void __user *user_data, int size)
+{
+	int nr_pages = size / PAGE_SIZE + 1;
+	int idx;
+
+	if (size > buf->size) {
+		DRM_ERROR("Requesting to copy %d bytes to a drm buffer with"
+				" %d bytes space\n",
+				size, buf->size);
+		return -EFAULT;
+	}
+
+	for (idx = 0; idx < nr_pages; ++idx) {
+
+		if (DRM_COPY_FROM_USER(buf->data[idx],
+			user_data + idx * PAGE_SIZE,
+			min(PAGE_SIZE, size - idx * PAGE_SIZE))) {
+			DRM_ERROR("Failed to copy user data (%p) to drm buffer"
+					" (%p) %dth page.\n",
+					user_data, buf, idx);
+			return -EFAULT;
+
+		}
+	}
+	buf->iterator = 0;
+	return 0;
+}
+EXPORT_SYMBOL(drm_buffer_copy_from_user);
+
+/**
+ * Free the drm buffer object
+ */
+void drm_buffer_free(struct drm_buffer *buf)
+{
+
+	if (buf != NULL) {
+
+		int nr_pages = buf->size / PAGE_SIZE + 1;
+		int idx;
+		for (idx = 0; idx < nr_pages; ++idx)
+			kfree(buf->data[idx]);
+
+		kfree(buf);
+	}
+}
+EXPORT_SYMBOL(drm_buffer_free);
+
+/**
+ * Read an object from buffer that may be split to multiple parts. If object
+ * is not split function just returns the pointer to object in buffer. But in
+ * case of split object data is copied to given stack object that is suplied
+ * by caller.
+ *
+ * The processing location of the buffer is also advanced to the next byte
+ * after the object.
+ *
+ *   objsize: The size of the objet in bytes.
+ *   stack_obj: A pointer to a memory location where object can be copied.
+ */
+void *drm_buffer_read_object(struct drm_buffer *buf,
+		int objsize, void *stack_obj)
+{
+	int idx = drm_buffer_index(buf);
+	int page = drm_buffer_page(buf);
+	void *obj = 0;
+
+	if (idx + objsize <= PAGE_SIZE) {
+		obj = &buf->data[page][idx];
+	} else {
+		/* The object is split which forces copy to temporary object.*/
+		int beginsz = PAGE_SIZE - idx;
+		memcpy(stack_obj, &buf->data[page][idx], beginsz);
+
+		memcpy(stack_obj + beginsz, &buf->data[page + 1][0],
+				objsize - beginsz);
+
+		obj = stack_obj;
+	}
+
+	drm_buffer_advance(buf, objsize);
+	return obj;
+}
+EXPORT_SYMBOL(drm_buffer_read_object);
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index 7d0f00a935fa..51103aa469f8 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -104,6 +104,7 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
 	if (connector->status == connector_status_disconnected) {
 		DRM_DEBUG_KMS("%s is disconnected\n",
 			  drm_get_connector_name(connector));
+		drm_mode_connector_update_edid_property(connector, NULL);
 		goto prune;
 	}
 
@@ -836,11 +837,7 @@ int drm_crtc_helper_set_config(struct drm_mode_set *set)
 			mode_changed = true;
 		} else if (set->fb == NULL) {
 			mode_changed = true;
-		} else if ((set->fb->bits_per_pixel !=
-			 set->crtc->fb->bits_per_pixel) ||
-			 set->fb->depth != set->crtc->fb->depth)
-			fb_changed = true;
-		else
+		} else
 			fb_changed = true;
 	}
 
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 766c46875a20..f3c58e2bd75c 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -125,28 +125,28 @@ static struct drm_ioctl_desc drm_ioctls[] = {
 
 	DRM_IOCTL_DEF(DRM_IOCTL_UPDATE_DRAW, drm_update_drawable_info, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 
-	DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_IOCTL_GEM_FLINK, drm_gem_flink_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH),
-
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETRESOURCES, drm_mode_getresources, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETCRTC, drm_mode_setcrtc, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_CURSOR, drm_mode_cursor_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETGAMMA, drm_mode_gamma_get_ioctl, DRM_MASTER),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETGAMMA, drm_mode_gamma_set_ioctl, DRM_MASTER),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETENCODER, drm_mode_getencoder, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCONNECTOR, drm_mode_getconnector, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATTACHMODE, drm_mode_attachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_mode_detachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPERTY, drm_mode_getproperty_ioctl, DRM_MASTER | DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPROPERTY, drm_mode_connector_property_set_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW)
+	DRM_IOCTL_DEF(DRM_IOCTL_GEM_CLOSE, drm_gem_close_ioctl, DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_GEM_FLINK, drm_gem_flink_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_GEM_OPEN, drm_gem_open_ioctl, DRM_AUTH|DRM_UNLOCKED),
+
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETRESOURCES, drm_mode_getresources, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCRTC, drm_mode_getcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETCRTC, drm_mode_setcrtc, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_CURSOR, drm_mode_cursor_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETGAMMA, drm_mode_gamma_get_ioctl, DRM_MASTER|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETGAMMA, drm_mode_gamma_set_ioctl, DRM_MASTER|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETENCODER, drm_mode_getencoder, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETCONNECTOR, drm_mode_getconnector, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_ATTACHMODE, drm_mode_attachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_DETACHMODE, drm_mode_detachmode_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPERTY, drm_mode_getproperty_ioctl, DRM_MASTER | DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_SETPROPERTY, drm_mode_connector_property_set_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETPROPBLOB, drm_mode_getblob_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_GETFB, drm_mode_getfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_ADDFB, drm_mode_addfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_RMFB, drm_mode_rmfb, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_PAGE_FLIP, drm_mode_page_flip_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_IOCTL_MODE_DIRTYFB, drm_mode_dirtyfb_ioctl, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED)
 };
 
 #define DRM_CORE_IOCTL_COUNT	ARRAY_SIZE( drm_ioctls )
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index ab6c97330412..7e608f4a0df9 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -60,8 +60,7 @@
 #define EDID_QUIRK_FIRST_DETAILED_PREFERRED	(1 << 5)
 /* use +hsync +vsync for detailed mode */
 #define EDID_QUIRK_DETAILED_SYNC_PP		(1 << 6)
-/* define the number of Extension EDID block */
-#define MAX_EDID_EXT_NUM 4
+
 
 #define LEVEL_DMT	0
 #define LEVEL_GTF	1
@@ -114,14 +113,14 @@ static const u8 edid_header[] = {
 };
 
 /**
- * edid_is_valid - sanity check EDID data
+ * drm_edid_is_valid - sanity check EDID data
  * @edid: EDID data
  *
  * Sanity check the EDID block by looking at the header, the version number
  * and the checksum.  Return 0 if the EDID doesn't check out, or 1 if it's
  * valid.
  */
-static bool edid_is_valid(struct edid *edid)
+bool drm_edid_is_valid(struct edid *edid)
 {
 	int i, score = 0;
 	u8 csum = 0;
@@ -163,6 +162,7 @@ bad:
 	}
 	return 0;
 }
+EXPORT_SYMBOL(drm_edid_is_valid);
 
 /**
  * edid_vendor - match a string against EDID's obfuscated vendor field
@@ -707,15 +707,6 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
 	mode->vsync_end = mode->vsync_start + vsync_pulse_width;
 	mode->vtotal = mode->vdisplay + vblank;
 
-	/* perform the basic check for the detailed timing */
-	if (mode->hsync_end > mode->htotal ||
-		mode->vsync_end > mode->vtotal) {
-		drm_mode_destroy(dev, mode);
-		DRM_DEBUG_KMS("Incorrect detailed timing. "
-				"Sync is beyond the blank.\n");
-		return NULL;
-	}
-
 	/* Some EDIDs have bogus h/vtotal values */
 	if (mode->hsync_end > mode->htotal)
 		mode->htotal = mode->hsync_end + 1;
@@ -1112,8 +1103,8 @@ static int add_detailed_info_eedid(struct drm_connector *connector,
 	}
 
 	/* Chose real EDID extension number */
-	edid_ext_num = edid->extensions > MAX_EDID_EXT_NUM ?
-		       MAX_EDID_EXT_NUM : edid->extensions;
+	edid_ext_num = edid->extensions > DRM_MAX_EDID_EXT_NUM ?
+		DRM_MAX_EDID_EXT_NUM : edid->extensions;
 
 	/* Find CEA extension */
 	for (i = 0; i < edid_ext_num; i++) {
@@ -1195,7 +1186,7 @@ static int drm_ddc_read_edid(struct drm_connector *connector,
 	for (i = 0; i < 4; i++) {
 		if (drm_do_probe_ddc_edid(adapter, buf, len))
 			return -1;
-		if (edid_is_valid((struct edid *)buf))
+		if (drm_edid_is_valid((struct edid *)buf))
 			return 0;
 	}
 
@@ -1220,7 +1211,7 @@ struct edid *drm_get_edid(struct drm_connector *connector,
 	int ret;
 	struct edid *edid;
 
-	edid = kmalloc(EDID_LENGTH * (MAX_EDID_EXT_NUM + 1),
+	edid = kmalloc(EDID_LENGTH * (DRM_MAX_EDID_EXT_NUM + 1),
 		       GFP_KERNEL);
 	if (edid == NULL) {
 		dev_warn(&connector->dev->pdev->dev,
@@ -1238,14 +1229,14 @@ struct edid *drm_get_edid(struct drm_connector *connector,
 	if (edid->extensions != 0) {
 		int edid_ext_num = edid->extensions;
 
-		if (edid_ext_num > MAX_EDID_EXT_NUM) {
+		if (edid_ext_num > DRM_MAX_EDID_EXT_NUM) {
 			dev_warn(&connector->dev->pdev->dev,
 				 "The number of extension(%d) is "
 				 "over max (%d), actually read number (%d)\n",
-				 edid_ext_num, MAX_EDID_EXT_NUM,
-				 MAX_EDID_EXT_NUM);
+				 edid_ext_num, DRM_MAX_EDID_EXT_NUM,
+				 DRM_MAX_EDID_EXT_NUM);
 			/* Reset EDID extension number to be read */
-			edid_ext_num = MAX_EDID_EXT_NUM;
+			edid_ext_num = DRM_MAX_EDID_EXT_NUM;
 		}
 		/* Read EDID including extensions too */
 		ret = drm_ddc_read_edid(connector, adapter, (char *)edid,
@@ -1288,8 +1279,8 @@ bool drm_detect_hdmi_monitor(struct edid *edid)
 		goto end;
 
 	/* Chose real EDID extension number */
-	edid_ext_num = edid->extensions > MAX_EDID_EXT_NUM ?
-		       MAX_EDID_EXT_NUM : edid->extensions;
+	edid_ext_num = edid->extensions > DRM_MAX_EDID_EXT_NUM ?
+		       DRM_MAX_EDID_EXT_NUM : edid->extensions;
 
 	/* Find CEA extension */
 	for (i = 0; i < edid_ext_num; i++) {
@@ -1346,7 +1337,7 @@ int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
 	if (edid == NULL) {
 		return 0;
 	}
-	if (!edid_is_valid(edid)) {
+	if (!drm_edid_is_valid(edid)) {
 		dev_warn(&connector->dev->pdev->dev, "%s: EDID invalid.\n",
 			 drm_get_connector_name(connector));
 		return 0;
diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
index 0f9e90552dc4..99487237111d 100644
--- a/drivers/gpu/drm/drm_fb_helper.c
+++ b/drivers/gpu/drm/drm_fb_helper.c
@@ -27,6 +27,7 @@
  *      Dave Airlie <airlied@linux.ie>
  *      Jesse Barnes <jesse.barnes@intel.com>
  */
+#include <linux/kernel.h>
 #include <linux/sysrq.h>
 #include <linux/fb.h>
 #include "drmP.h"
@@ -50,21 +51,6 @@ int drm_fb_helper_add_connector(struct drm_connector *connector)
 }
 EXPORT_SYMBOL(drm_fb_helper_add_connector);
 
-static int my_atoi(const char *name)
-{
-	int val = 0;
-
-	for (;; name++) {
-		switch (*name) {
-		case '0' ... '9':
-			val = 10*val+(*name-'0');
-			break;
-		default:
-			return val;
-		}
-	}
-}
-
 /**
  * drm_fb_helper_connector_parse_command_line - parse command line for connector
  * @connector - connector to parse line for
@@ -111,7 +97,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
 			namelen = i;
 			if (!refresh_specified && !bpp_specified &&
 			    !yres_specified) {
-				refresh = my_atoi(&name[i+1]);
+				refresh = simple_strtol(&name[i+1], NULL, 10);
 				refresh_specified = 1;
 				if (cvt || rb)
 					cvt = 0;
@@ -121,7 +107,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
 		case '-':
 			namelen = i;
 			if (!bpp_specified && !yres_specified) {
-				bpp = my_atoi(&name[i+1]);
+				bpp = simple_strtol(&name[i+1], NULL, 10);
 				bpp_specified = 1;
 				if (cvt || rb)
 					cvt = 0;
@@ -130,7 +116,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
 			break;
 		case 'x':
 			if (!yres_specified) {
-				yres = my_atoi(&name[i+1]);
+				yres = simple_strtol(&name[i+1], NULL, 10);
 				yres_specified = 1;
 			} else
 				goto done;
@@ -170,7 +156,7 @@ static bool drm_fb_helper_connector_parse_command_line(struct drm_connector *con
 		}
 	}
 	if (i < 0 && yres_specified) {
-		xres = my_atoi(name);
+		xres = simple_strtol(name, NULL, 10);
 		res_specified = 1;
 	}
 done:
@@ -297,6 +283,8 @@ static struct sysrq_key_op sysrq_drm_fb_helper_restore_op = {
 	.help_msg = "force-fb(V)",
 	.action_msg = "Restore framebuffer console",
 };
+#else
+static struct sysrq_key_op sysrq_drm_fb_helper_restore_op = { };
 #endif
 
 static void drm_fb_helper_on(struct fb_info *info)
@@ -694,7 +682,7 @@ int drm_fb_helper_set_par(struct fb_info *info)
 	int i;
 
 	if (var->pixclock != 0) {
-		DRM_ERROR("PIXEL CLCOK SET\n");
+		DRM_ERROR("PIXEL CLOCK SET\n");
 		return -EINVAL;
 	}
 
diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index 08d14df3bb42..4804872f8b19 100644
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -140,14 +140,16 @@ int drm_open(struct inode *inode, struct file *filp)
 		spin_unlock(&dev->count_lock);
 	}
 out:
-	mutex_lock(&dev->struct_mutex);
-	if (minor->type == DRM_MINOR_LEGACY) {
-		BUG_ON((dev->dev_mapping != NULL) &&
-			(dev->dev_mapping != inode->i_mapping));
-		if (dev->dev_mapping == NULL)
-			dev->dev_mapping = inode->i_mapping;
+	if (!retcode) {
+		mutex_lock(&dev->struct_mutex);
+		if (minor->type == DRM_MINOR_LEGACY) {
+			if (dev->dev_mapping == NULL)
+				dev->dev_mapping = inode->i_mapping;
+			else if (dev->dev_mapping != inode->i_mapping)
+				retcode = -ENODEV;
+		}
+		mutex_unlock(&dev->struct_mutex);
 	}
-	mutex_unlock(&dev->struct_mutex);
 
 	return retcode;
 }
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index 8bf3770f294e..aa89d4b0b4c4 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -192,9 +192,7 @@ drm_gem_handle_delete(struct drm_file *filp, u32 handle)
 	idr_remove(&filp->object_idr, handle);
 	spin_unlock(&filp->table_lock);
 
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_handle_unreference(obj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_handle_unreference_unlocked(obj);
 
 	return 0;
 }
@@ -325,9 +323,7 @@ again:
 	}
 
 err:
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(obj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(obj);
 	return ret;
 }
 
@@ -358,9 +354,7 @@ drm_gem_open_ioctl(struct drm_device *dev, void *data,
 		return -ENOENT;
 
 	ret = drm_gem_handle_create(file_priv, obj, &handle);
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(obj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(obj);
 	if (ret)
 		return ret;
 
@@ -390,7 +384,7 @@ drm_gem_object_release_handle(int id, void *ptr, void *data)
 {
 	struct drm_gem_object *obj = ptr;
 
-	drm_gem_object_handle_unreference(obj);
+	drm_gem_object_handle_unreference_unlocked(obj);
 
 	return 0;
 }
@@ -403,16 +397,25 @@ drm_gem_object_release_handle(int id, void *ptr, void *data)
 void
 drm_gem_release(struct drm_device *dev, struct drm_file *file_private)
 {
-	mutex_lock(&dev->struct_mutex);
 	idr_for_each(&file_private->object_idr,
 		     &drm_gem_object_release_handle, NULL);
 
 	idr_destroy(&file_private->object_idr);
-	mutex_unlock(&dev->struct_mutex);
+}
+
+static void
+drm_gem_object_free_common(struct drm_gem_object *obj)
+{
+	struct drm_device *dev = obj->dev;
+	fput(obj->filp);
+	atomic_dec(&dev->object_count);
+	atomic_sub(obj->size, &dev->object_memory);
+	kfree(obj);
 }
 
 /**
  * Called after the last reference to the object has been lost.
+ * Must be called holding struct_ mutex
  *
  * Frees the object
  */
@@ -427,14 +430,40 @@ drm_gem_object_free(struct kref *kref)
 	if (dev->driver->gem_free_object != NULL)
 		dev->driver->gem_free_object(obj);
 
-	fput(obj->filp);
-	atomic_dec(&dev->object_count);
-	atomic_sub(obj->size, &dev->object_memory);
-	kfree(obj);
+	drm_gem_object_free_common(obj);
 }
 EXPORT_SYMBOL(drm_gem_object_free);
 
 /**
+ * Called after the last reference to the object has been lost.
+ * Must be called without holding struct_mutex
+ *
+ * Frees the object
+ */
+void
+drm_gem_object_free_unlocked(struct kref *kref)
+{
+	struct drm_gem_object *obj = (struct drm_gem_object *) kref;
+	struct drm_device *dev = obj->dev;
+
+	if (dev->driver->gem_free_object_unlocked != NULL)
+		dev->driver->gem_free_object_unlocked(obj);
+	else if (dev->driver->gem_free_object != NULL) {
+		mutex_lock(&dev->struct_mutex);
+		dev->driver->gem_free_object(obj);
+		mutex_unlock(&dev->struct_mutex);
+	}
+
+	drm_gem_object_free_common(obj);
+}
+EXPORT_SYMBOL(drm_gem_object_free_unlocked);
+
+static void drm_gem_object_ref_bug(struct kref *list_kref)
+{
+	BUG();
+}
+
+/**
  * Called after the last handle to the object has been closed
  *
  * Removes any name for the object. Note that this must be
@@ -458,8 +487,10 @@ drm_gem_object_handle_free(struct kref *kref)
 		/*
 		 * The object name held a reference to this object, drop
 		 * that now.
+		*
+		* This cannot be the last reference, since the handle holds one too.
 		 */
-		drm_gem_object_unreference(obj);
+		kref_put(&obj->refcount, drm_gem_object_ref_bug);
 	} else
 		spin_unlock(&dev->object_name_lock);
 
@@ -477,11 +508,8 @@ EXPORT_SYMBOL(drm_gem_vm_open);
 void drm_gem_vm_close(struct vm_area_struct *vma)
 {
 	struct drm_gem_object *obj = vma->vm_private_data;
-	struct drm_device *dev = obj->dev;
 
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(obj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(obj);
 }
 EXPORT_SYMBOL(drm_gem_vm_close);
 
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 7e42b7e9d43a..014ce24761b9 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -70,19 +70,17 @@ static int drm_class_resume(struct device *dev)
 	return 0;
 }
 
-/* Display the version of drm_core. This doesn't work right in current design */
-static ssize_t version_show(struct class *dev, char *buf)
-{
-	return sprintf(buf, "%s %d.%d.%d %s\n", CORE_NAME, CORE_MAJOR,
-		       CORE_MINOR, CORE_PATCHLEVEL, CORE_DATE);
-}
-
 static char *drm_devnode(struct device *dev, mode_t *mode)
 {
 	return kasprintf(GFP_KERNEL, "dri/%s", dev_name(dev));
 }
 
-static CLASS_ATTR(version, S_IRUGO, version_show, NULL);
+static CLASS_ATTR_STRING(version, S_IRUGO,
+		CORE_NAME " "
+		__stringify(CORE_MAJOR) "."
+		__stringify(CORE_MINOR) "."
+		__stringify(CORE_PATCHLEVEL) " "
+		CORE_DATE);
 
 /**
  * drm_sysfs_create - create a struct drm_sysfs_class structure
@@ -109,7 +107,7 @@ struct class *drm_sysfs_create(struct module *owner, char *name)
 	class->suspend = drm_class_suspend;
 	class->resume = drm_class_resume;
 
-	err = class_create_file(class, &class_attr_version);
+	err = class_create_file(class, &class_attr_version.attr);
 	if (err)
 		goto err_out_class;
 
@@ -132,7 +130,7 @@ void drm_sysfs_destroy(void)
 {
 	if ((drm_class == NULL) || (IS_ERR(drm_class)))
 		return;
-	class_remove_file(drm_class, &class_attr_version);
+	class_remove_file(drm_class, &class_attr_version.attr);
 	class_destroy(drm_class);
 }
 
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index a894ade03093..1376dfe44c95 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -162,7 +162,7 @@ static int i915_interrupt_info(struct seq_file *m, void *data)
 	struct drm_device *dev = node->minor->dev;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 
-	if (!IS_IRONLAKE(dev)) {
+	if (!HAS_PCH_SPLIT(dev)) {
 		seq_printf(m, "Interrupt enable:    %08x\n",
 			   I915_READ(IER));
 		seq_printf(m, "Interrupt identity:  %08x\n",
@@ -350,6 +350,36 @@ static int i915_ringbuffer_info(struct seq_file *m, void *data)
 	return 0;
 }
 
+static const char *pin_flag(int pinned)
+{
+	if (pinned > 0)
+		return " P";
+	else if (pinned < 0)
+		return " p";
+	else
+		return "";
+}
+
+static const char *tiling_flag(int tiling)
+{
+	switch (tiling) {
+	default:
+	case I915_TILING_NONE: return "";
+	case I915_TILING_X: return " X";
+	case I915_TILING_Y: return " Y";
+	}
+}
+
+static const char *dirty_flag(int dirty)
+{
+	return dirty ? " dirty" : "";
+}
+
+static const char *purgeable_flag(int purgeable)
+{
+	return purgeable ? " purgeable" : "";
+}
+
 static int i915_error_state(struct seq_file *m, void *unused)
 {
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
@@ -357,6 +387,7 @@ static int i915_error_state(struct seq_file *m, void *unused)
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct drm_i915_error_state *error;
 	unsigned long flags;
+	int i, page, offset, elt;
 
 	spin_lock_irqsave(&dev_priv->error_lock, flags);
 	if (!dev_priv->first_error) {
@@ -368,6 +399,7 @@ static int i915_error_state(struct seq_file *m, void *unused)
 
 	seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
 		   error->time.tv_usec);
+	seq_printf(m, "PCI ID: 0x%04x\n", dev->pci_device);
 	seq_printf(m, "EIR: 0x%08x\n", error->eir);
 	seq_printf(m, "  PGTBL_ER: 0x%08x\n", error->pgtbl_er);
 	seq_printf(m, "  INSTPM: 0x%08x\n", error->instpm);
@@ -379,6 +411,59 @@ static int i915_error_state(struct seq_file *m, void *unused)
 		seq_printf(m, "  INSTPS: 0x%08x\n", error->instps);
 		seq_printf(m, "  INSTDONE1: 0x%08x\n", error->instdone1);
 	}
+	seq_printf(m, "seqno: 0x%08x\n", error->seqno);
+
+	if (error->active_bo_count) {
+		seq_printf(m, "Buffers [%d]:\n", error->active_bo_count);
+
+		for (i = 0; i < error->active_bo_count; i++) {
+			seq_printf(m, "  %08x %8zd %08x %08x %08x%s%s%s%s",
+				   error->active_bo[i].gtt_offset,
+				   error->active_bo[i].size,
+				   error->active_bo[i].read_domains,
+				   error->active_bo[i].write_domain,
+				   error->active_bo[i].seqno,
+				   pin_flag(error->active_bo[i].pinned),
+				   tiling_flag(error->active_bo[i].tiling),
+				   dirty_flag(error->active_bo[i].dirty),
+				   purgeable_flag(error->active_bo[i].purgeable));
+
+			if (error->active_bo[i].name)
+				seq_printf(m, " (name: %d)", error->active_bo[i].name);
+			if (error->active_bo[i].fence_reg != I915_FENCE_REG_NONE)
+				seq_printf(m, " (fence: %d)", error->active_bo[i].fence_reg);
+
+			seq_printf(m, "\n");
+		}
+	}
+
+	for (i = 0; i < ARRAY_SIZE(error->batchbuffer); i++) {
+		if (error->batchbuffer[i]) {
+			struct drm_i915_error_object *obj = error->batchbuffer[i];
+
+			seq_printf(m, "--- gtt_offset = 0x%08x\n", obj->gtt_offset);
+			offset = 0;
+			for (page = 0; page < obj->page_count; page++) {
+				for (elt = 0; elt < PAGE_SIZE/4; elt++) {
+					seq_printf(m, "%08x :  %08x\n", offset, obj->pages[page][elt]);
+					offset += 4;
+				}
+			}
+		}
+	}
+
+	if (error->ringbuffer) {
+		struct drm_i915_error_object *obj = error->ringbuffer;
+
+		seq_printf(m, "--- ringbuffer = 0x%08x\n", obj->gtt_offset);
+		offset = 0;
+		for (page = 0; page < obj->page_count; page++) {
+			for (elt = 0; elt < PAGE_SIZE/4; elt++) {
+				seq_printf(m, "%08x :  %08x\n", offset, obj->pages[page][elt]);
+				offset += 4;
+			}
+		}
+	}
 
 out:
 	spin_unlock_irqrestore(&dev_priv->error_lock, flags);
@@ -386,6 +471,165 @@ out:
 	return 0;
 }
 
+static int i915_rstdby_delays(struct seq_file *m, void *unused)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	u16 crstanddelay = I915_READ16(CRSTANDVID);
+
+	seq_printf(m, "w/ctx: %d, w/o ctx: %d\n", (crstanddelay >> 8) & 0x3f, (crstanddelay & 0x3f));
+
+	return 0;
+}
+
+static int i915_cur_delayinfo(struct seq_file *m, void *unused)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	u16 rgvswctl = I915_READ16(MEMSWCTL);
+
+	seq_printf(m, "Last command: 0x%01x\n", (rgvswctl >> 13) & 0x3);
+	seq_printf(m, "Command status: %d\n", (rgvswctl >> 12) & 1);
+	seq_printf(m, "P%d DELAY 0x%02x\n", (rgvswctl >> 8) & 0xf,
+		   rgvswctl & 0x3f);
+
+	return 0;
+}
+
+static int i915_delayfreq_table(struct seq_file *m, void *unused)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	u32 delayfreq;
+	int i;
+
+	for (i = 0; i < 16; i++) {
+		delayfreq = I915_READ(PXVFREQ_BASE + i * 4);
+		seq_printf(m, "P%02dVIDFREQ: 0x%08x\n", i, delayfreq);
+	}
+
+	return 0;
+}
+
+static inline int MAP_TO_MV(int map)
+{
+	return 1250 - (map * 25);
+}
+
+static int i915_inttoext_table(struct seq_file *m, void *unused)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	u32 inttoext;
+	int i;
+
+	for (i = 1; i <= 32; i++) {
+		inttoext = I915_READ(INTTOEXT_BASE_ILK + i * 4);
+		seq_printf(m, "INTTOEXT%02d: 0x%08x\n", i, inttoext);
+	}
+
+	return 0;
+}
+
+static int i915_drpc_info(struct seq_file *m, void *unused)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	u32 rgvmodectl = I915_READ(MEMMODECTL);
+
+	seq_printf(m, "HD boost: %s\n", (rgvmodectl & MEMMODE_BOOST_EN) ?
+		   "yes" : "no");
+	seq_printf(m, "Boost freq: %d\n",
+		   (rgvmodectl & MEMMODE_BOOST_FREQ_MASK) >>
+		   MEMMODE_BOOST_FREQ_SHIFT);
+	seq_printf(m, "HW control enabled: %s\n",
+		   rgvmodectl & MEMMODE_HWIDLE_EN ? "yes" : "no");
+	seq_printf(m, "SW control enabled: %s\n",
+		   rgvmodectl & MEMMODE_SWMODE_EN ? "yes" : "no");
+	seq_printf(m, "Gated voltage change: %s\n",
+		   rgvmodectl & MEMMODE_RCLK_GATE ? "yes" : "no");
+	seq_printf(m, "Starting frequency: P%d\n",
+		   (rgvmodectl & MEMMODE_FSTART_MASK) >> MEMMODE_FSTART_SHIFT);
+	seq_printf(m, "Max frequency: P%d\n",
+		   (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT);
+	seq_printf(m, "Min frequency: P%d\n", (rgvmodectl & MEMMODE_FMIN_MASK));
+
+	return 0;
+}
+
+static int i915_fbc_status(struct seq_file *m, void *unused)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	struct drm_crtc *crtc;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	bool fbc_enabled = false;
+
+	if (!dev_priv->display.fbc_enabled) {
+		seq_printf(m, "FBC unsupported on this chipset\n");
+		return 0;
+	}
+
+	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
+		if (!crtc->enabled)
+			continue;
+		if (dev_priv->display.fbc_enabled(crtc))
+			fbc_enabled = true;
+	}
+
+	if (fbc_enabled) {
+		seq_printf(m, "FBC enabled\n");
+	} else {
+		seq_printf(m, "FBC disabled: ");
+		switch (dev_priv->no_fbc_reason) {
+		case FBC_STOLEN_TOO_SMALL:
+			seq_printf(m, "not enough stolen memory");
+			break;
+		case FBC_UNSUPPORTED_MODE:
+			seq_printf(m, "mode not supported");
+			break;
+		case FBC_MODE_TOO_LARGE:
+			seq_printf(m, "mode too large");
+			break;
+		case FBC_BAD_PLANE:
+			seq_printf(m, "FBC unsupported on plane");
+			break;
+		case FBC_NOT_TILED:
+			seq_printf(m, "scanout buffer not tiled");
+			break;
+		default:
+			seq_printf(m, "unknown reason");
+		}
+		seq_printf(m, "\n");
+	}
+	return 0;
+}
+
+static int i915_sr_status(struct seq_file *m, void *unused)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_device *dev = node->minor->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	bool sr_enabled = false;
+
+	if (IS_I965G(dev) || IS_I945G(dev) || IS_I945GM(dev))
+		sr_enabled = I915_READ(FW_BLC_SELF) & FW_BLC_SELF_EN;
+	else if (IS_I915GM(dev))
+		sr_enabled = I915_READ(INSTPM) & INSTPM_SELF_EN;
+	else if (IS_PINEVIEW(dev))
+		sr_enabled = I915_READ(DSPFW3) & PINEVIEW_SELF_REFRESH_EN;
+
+	seq_printf(m, "self-refresh: %s\n", sr_enabled ? "enabled" :
+		   "disabled");
+
+	return 0;
+}
+
 static int
 i915_wedged_open(struct inode *inode,
 		 struct file *filp)
@@ -503,6 +747,13 @@ static struct drm_info_list i915_debugfs_list[] = {
 	{"i915_ringbuffer_info", i915_ringbuffer_info, 0},
 	{"i915_batchbuffers", i915_batchbuffer_info, 0},
 	{"i915_error_state", i915_error_state, 0},
+	{"i915_rstdby_delays", i915_rstdby_delays, 0},
+	{"i915_cur_delayinfo", i915_cur_delayinfo, 0},
+	{"i915_delayfreq_table", i915_delayfreq_table, 0},
+	{"i915_inttoext_table", i915_inttoext_table, 0},
+	{"i915_drpc_info", i915_drpc_info, 0},
+	{"i915_fbc_status", i915_fbc_status, 0},
+	{"i915_sr_status", i915_sr_status, 0},
 };
 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
 
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 2307f98349f7..a9f8589490cf 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -35,6 +35,9 @@
 #include "i915_drv.h"
 #include "i915_trace.h"
 #include <linux/vgaarb.h>
+#include <linux/acpi.h>
+#include <linux/pnp.h>
+#include <linux/vga_switcheroo.h>
 
 /* Really want an OS-independent resettable timer.  Would like to have
  * this loop run for (eg) 3 sec, but have the timer reset every time
@@ -933,6 +936,120 @@ static int i915_get_bridge_dev(struct drm_device *dev)
 	return 0;
 }
 
+#define MCHBAR_I915 0x44
+#define MCHBAR_I965 0x48
+#define MCHBAR_SIZE (4*4096)
+
+#define DEVEN_REG 0x54
+#define   DEVEN_MCHBAR_EN (1 << 28)
+
+/* Allocate space for the MCH regs if needed, return nonzero on error */
+static int
+intel_alloc_mchbar_resource(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	int reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
+	u32 temp_lo, temp_hi = 0;
+	u64 mchbar_addr;
+	int ret = 0;
+
+	if (IS_I965G(dev))
+		pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi);
+	pci_read_config_dword(dev_priv->bridge_dev, reg, &temp_lo);
+	mchbar_addr = ((u64)temp_hi << 32) | temp_lo;
+
+	/* If ACPI doesn't have it, assume we need to allocate it ourselves */
+#ifdef CONFIG_PNP
+	if (mchbar_addr &&
+	    pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE)) {
+		ret = 0;
+		goto out;
+	}
+#endif
+
+	/* Get some space for it */
+	ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus, &dev_priv->mch_res,
+				     MCHBAR_SIZE, MCHBAR_SIZE,
+				     PCIBIOS_MIN_MEM,
+				     0,   pcibios_align_resource,
+				     dev_priv->bridge_dev);
+	if (ret) {
+		DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret);
+		dev_priv->mch_res.start = 0;
+		goto out;
+	}
+
+	if (IS_I965G(dev))
+		pci_write_config_dword(dev_priv->bridge_dev, reg + 4,
+				       upper_32_bits(dev_priv->mch_res.start));
+
+	pci_write_config_dword(dev_priv->bridge_dev, reg,
+			       lower_32_bits(dev_priv->mch_res.start));
+out:
+	return ret;
+}
+
+/* Setup MCHBAR if possible, return true if we should disable it again */
+static void
+intel_setup_mchbar(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
+	u32 temp;
+	bool enabled;
+
+	dev_priv->mchbar_need_disable = false;
+
+	if (IS_I915G(dev) || IS_I915GM(dev)) {
+		pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp);
+		enabled = !!(temp & DEVEN_MCHBAR_EN);
+	} else {
+		pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
+		enabled = temp & 1;
+	}
+
+	/* If it's already enabled, don't have to do anything */
+	if (enabled)
+		return;
+
+	if (intel_alloc_mchbar_resource(dev))
+		return;
+
+	dev_priv->mchbar_need_disable = true;
+
+	/* Space is allocated or reserved, so enable it. */
+	if (IS_I915G(dev) || IS_I915GM(dev)) {
+		pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG,
+				       temp | DEVEN_MCHBAR_EN);
+	} else {
+		pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
+		pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp | 1);
+	}
+}
+
+static void
+intel_teardown_mchbar(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
+	u32 temp;
+
+	if (dev_priv->mchbar_need_disable) {
+		if (IS_I915G(dev) || IS_I915GM(dev)) {
+			pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp);
+			temp &= ~DEVEN_MCHBAR_EN;
+			pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG, temp);
+		} else {
+			pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
+			temp &= ~1;
+			pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp);
+		}
+	}
+
+	if (dev_priv->mch_res.start)
+		release_resource(&dev_priv->mch_res);
+}
+
 /**
  * i915_probe_agp - get AGP bootup configuration
  * @pdev: PCI device
@@ -978,59 +1095,123 @@ static int i915_probe_agp(struct drm_device *dev, uint32_t *aperture_size,
 	 * Some of the preallocated space is taken by the GTT
 	 * and popup.  GTT is 1K per MB of aperture size, and popup is 4K.
 	 */
-	if (IS_G4X(dev) || IS_PINEVIEW(dev) || IS_IRONLAKE(dev))
+	if (IS_G4X(dev) || IS_PINEVIEW(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev))
 		overhead = 4096;
 	else
 		overhead = (*aperture_size / 1024) + 4096;
 
-	switch (tmp & INTEL_GMCH_GMS_MASK) {
-	case INTEL_855_GMCH_GMS_DISABLED:
-		DRM_ERROR("video memory is disabled\n");
-		return -1;
-	case INTEL_855_GMCH_GMS_STOLEN_1M:
-		stolen = 1 * 1024 * 1024;
-		break;
-	case INTEL_855_GMCH_GMS_STOLEN_4M:
-		stolen = 4 * 1024 * 1024;
-		break;
-	case INTEL_855_GMCH_GMS_STOLEN_8M:
-		stolen = 8 * 1024 * 1024;
-		break;
-	case INTEL_855_GMCH_GMS_STOLEN_16M:
-		stolen = 16 * 1024 * 1024;
-		break;
-	case INTEL_855_GMCH_GMS_STOLEN_32M:
-		stolen = 32 * 1024 * 1024;
-		break;
-	case INTEL_915G_GMCH_GMS_STOLEN_48M:
-		stolen = 48 * 1024 * 1024;
-		break;
-	case INTEL_915G_GMCH_GMS_STOLEN_64M:
-		stolen = 64 * 1024 * 1024;
-		break;
-	case INTEL_GMCH_GMS_STOLEN_128M:
-		stolen = 128 * 1024 * 1024;
-		break;
-	case INTEL_GMCH_GMS_STOLEN_256M:
-		stolen = 256 * 1024 * 1024;
-		break;
-	case INTEL_GMCH_GMS_STOLEN_96M:
-		stolen = 96 * 1024 * 1024;
-		break;
-	case INTEL_GMCH_GMS_STOLEN_160M:
-		stolen = 160 * 1024 * 1024;
-		break;
-	case INTEL_GMCH_GMS_STOLEN_224M:
-		stolen = 224 * 1024 * 1024;
-		break;
-	case INTEL_GMCH_GMS_STOLEN_352M:
-		stolen = 352 * 1024 * 1024;
-		break;
-	default:
-		DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n",
-			tmp & INTEL_GMCH_GMS_MASK);
-		return -1;
+	if (IS_GEN6(dev)) {
+		/* SNB has memory control reg at 0x50.w */
+		pci_read_config_word(dev->pdev, SNB_GMCH_CTRL, &tmp);
+
+		switch (tmp & SNB_GMCH_GMS_STOLEN_MASK) {
+		case INTEL_855_GMCH_GMS_DISABLED:
+			DRM_ERROR("video memory is disabled\n");
+			return -1;
+		case SNB_GMCH_GMS_STOLEN_32M:
+			stolen = 32 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_64M:
+			stolen = 64 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_96M:
+			stolen = 96 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_128M:
+			stolen = 128 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_160M:
+			stolen = 160 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_192M:
+			stolen = 192 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_224M:
+			stolen = 224 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_256M:
+			stolen = 256 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_288M:
+			stolen = 288 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_320M:
+			stolen = 320 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_352M:
+			stolen = 352 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_384M:
+			stolen = 384 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_416M:
+			stolen = 416 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_448M:
+			stolen = 448 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_480M:
+			stolen = 480 * 1024 * 1024;
+			break;
+		case SNB_GMCH_GMS_STOLEN_512M:
+			stolen = 512 * 1024 * 1024;
+			break;
+		default:
+			DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n",
+				  tmp & SNB_GMCH_GMS_STOLEN_MASK);
+			return -1;
+		}
+	} else {
+		switch (tmp & INTEL_GMCH_GMS_MASK) {
+		case INTEL_855_GMCH_GMS_DISABLED:
+			DRM_ERROR("video memory is disabled\n");
+			return -1;
+		case INTEL_855_GMCH_GMS_STOLEN_1M:
+			stolen = 1 * 1024 * 1024;
+			break;
+		case INTEL_855_GMCH_GMS_STOLEN_4M:
+			stolen = 4 * 1024 * 1024;
+			break;
+		case INTEL_855_GMCH_GMS_STOLEN_8M:
+			stolen = 8 * 1024 * 1024;
+			break;
+		case INTEL_855_GMCH_GMS_STOLEN_16M:
+			stolen = 16 * 1024 * 1024;
+			break;
+		case INTEL_855_GMCH_GMS_STOLEN_32M:
+			stolen = 32 * 1024 * 1024;
+			break;
+		case INTEL_915G_GMCH_GMS_STOLEN_48M:
+			stolen = 48 * 1024 * 1024;
+			break;
+		case INTEL_915G_GMCH_GMS_STOLEN_64M:
+			stolen = 64 * 1024 * 1024;
+			break;
+		case INTEL_GMCH_GMS_STOLEN_128M:
+			stolen = 128 * 1024 * 1024;
+			break;
+		case INTEL_GMCH_GMS_STOLEN_256M:
+			stolen = 256 * 1024 * 1024;
+			break;
+		case INTEL_GMCH_GMS_STOLEN_96M:
+			stolen = 96 * 1024 * 1024;
+			break;
+		case INTEL_GMCH_GMS_STOLEN_160M:
+			stolen = 160 * 1024 * 1024;
+			break;
+		case INTEL_GMCH_GMS_STOLEN_224M:
+			stolen = 224 * 1024 * 1024;
+			break;
+		case INTEL_GMCH_GMS_STOLEN_352M:
+			stolen = 352 * 1024 * 1024;
+			break;
+		default:
+			DRM_ERROR("unexpected GMCH_GMS value: 0x%02x\n",
+				  tmp & INTEL_GMCH_GMS_MASK);
+			return -1;
+		}
 	}
+
 	*preallocated_size = stolen - overhead;
 	*start = overhead;
 
@@ -1064,7 +1245,7 @@ static unsigned long i915_gtt_to_phys(struct drm_device *dev,
 	int gtt_offset, gtt_size;
 
 	if (IS_I965G(dev)) {
-		if (IS_G4X(dev) || IS_IRONLAKE(dev)) {
+		if (IS_G4X(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev)) {
 			gtt_offset = 2*1024*1024;
 			gtt_size = 2*1024*1024;
 		} else {
@@ -1133,6 +1314,7 @@ static void i915_setup_compression(struct drm_device *dev, int size)
 	/* Leave 1M for line length buffer & misc. */
 	compressed_fb = drm_mm_search_free(&dev_priv->vram, size, 4096, 0);
 	if (!compressed_fb) {
+		dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
 		i915_warn_stolen(dev);
 		return;
 	}
@@ -1140,6 +1322,7 @@ static void i915_setup_compression(struct drm_device *dev, int size)
 	compressed_fb = drm_mm_get_block(compressed_fb, size, 4096);
 	if (!compressed_fb) {
 		i915_warn_stolen(dev);
+		dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
 		return;
 	}
 
@@ -1199,6 +1382,32 @@ static unsigned int i915_vga_set_decode(void *cookie, bool state)
 		return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
 }
 
+static void i915_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state)
+{
+	struct drm_device *dev = pci_get_drvdata(pdev);
+	pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
+	if (state == VGA_SWITCHEROO_ON) {
+		printk(KERN_INFO "i915: switched off\n");
+		/* i915 resume handler doesn't set to D0 */
+		pci_set_power_state(dev->pdev, PCI_D0);
+		i915_resume(dev);
+	} else {
+		printk(KERN_ERR "i915: switched off\n");
+		i915_suspend(dev, pmm);
+	}
+}
+
+static bool i915_switcheroo_can_switch(struct pci_dev *pdev)
+{
+	struct drm_device *dev = pci_get_drvdata(pdev);
+	bool can_switch;
+
+	spin_lock(&dev->count_lock);
+	can_switch = (dev->open_count == 0);
+	spin_unlock(&dev->count_lock);
+	return can_switch;
+}
+
 static int i915_load_modeset_init(struct drm_device *dev,
 				  unsigned long prealloc_start,
 				  unsigned long prealloc_size,
@@ -1260,6 +1469,12 @@ static int i915_load_modeset_init(struct drm_device *dev,
 	if (ret)
 		goto destroy_ringbuffer;
 
+	ret = vga_switcheroo_register_client(dev->pdev,
+					     i915_switcheroo_set_state,
+					     i915_switcheroo_can_switch);
+	if (ret)
+		goto destroy_ringbuffer;
+
 	intel_modeset_init(dev);
 
 	ret = drm_irq_install(dev);
@@ -1281,7 +1496,9 @@ static int i915_load_modeset_init(struct drm_device *dev,
 	return 0;
 
 destroy_ringbuffer:
+	mutex_lock(&dev->struct_mutex);
 	i915_gem_cleanup_ringbuffer(dev);
+	mutex_unlock(&dev->struct_mutex);
 out:
 	return ret;
 }
@@ -1445,11 +1662,14 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 
 	dev->driver->get_vblank_counter = i915_get_vblank_counter;
 	dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
-	if (IS_G4X(dev) || IS_IRONLAKE(dev)) {
+	if (IS_G4X(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev)) {
 		dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */
 		dev->driver->get_vblank_counter = gm45_get_vblank_counter;
 	}
 
+	/* Try to make sure MCHBAR is enabled before poking at it */
+	intel_setup_mchbar(dev);
+
 	i915_gem_load(dev);
 
 	/* Init HWS */
@@ -1523,6 +1743,8 @@ int i915_driver_unload(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
+	i915_destroy_error_state(dev);
+
 	destroy_workqueue(dev_priv->wq);
 	del_timer_sync(&dev_priv->hangcheck_timer);
 
@@ -1544,6 +1766,7 @@ int i915_driver_unload(struct drm_device *dev)
 			dev_priv->child_dev_num = 0;
 		}
 		drm_irq_uninstall(dev);
+		vga_switcheroo_unregister_client(dev->pdev);
 		vga_client_register(dev->pdev, NULL, NULL, NULL);
 	}
 
@@ -1569,6 +1792,8 @@ int i915_driver_unload(struct drm_device *dev)
 		intel_cleanup_overlay(dev);
 	}
 
+	intel_teardown_mchbar(dev);
+
 	pci_dev_put(dev_priv->bridge_dev);
 	kfree(dev->dev_private);
 
@@ -1611,6 +1836,7 @@ void i915_driver_lastclose(struct drm_device * dev)
 
 	if (!dev_priv || drm_core_check_feature(dev, DRIVER_MODESET)) {
 		drm_fb_helper_restore();
+		vga_switcheroo_process_delayed_switch();
 		return;
 	}
 
@@ -1655,29 +1881,29 @@ struct drm_ioctl_desc i915_ioctls[] = {
 	DRM_IOCTL_DEF(DRM_I915_GET_VBLANK_PIPE,  i915_vblank_pipe_get, DRM_AUTH ),
 	DRM_IOCTL_DEF(DRM_I915_VBLANK_SWAP, i915_vblank_swap, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_I915_HWS_ADDR, i915_set_status_page, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
-	DRM_IOCTL_DEF(DRM_I915_GEM_INIT, i915_gem_init_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
-	DRM_IOCTL_DEF(DRM_I915_GEM_EXECBUFFER, i915_gem_execbuffer, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I915_GEM_EXECBUFFER2, i915_gem_execbuffer2, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I915_GEM_PIN, i915_gem_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY),
-	DRM_IOCTL_DEF(DRM_I915_GEM_UNPIN, i915_gem_unpin_ioctl, DRM_AUTH|DRM_ROOT_ONLY),
-	DRM_IOCTL_DEF(DRM_I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I915_GEM_THROTTLE, i915_gem_throttle_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_I915_GEM_ENTERVT, i915_gem_entervt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
-	DRM_IOCTL_DEF(DRM_I915_GEM_LEAVEVT, i915_gem_leavevt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
-	DRM_IOCTL_DEF(DRM_I915_GEM_CREATE, i915_gem_create_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_I915_GEM_PREAD, i915_gem_pread_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_I915_GEM_PWRITE, i915_gem_pwrite_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_I915_GEM_MMAP, i915_gem_mmap_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_I915_GEM_MMAP_GTT, i915_gem_mmap_gtt_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_I915_GEM_SET_DOMAIN, i915_gem_set_domain_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_I915_GEM_SW_FINISH, i915_gem_sw_finish_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_I915_GEM_SET_TILING, i915_gem_set_tiling, 0),
-	DRM_IOCTL_DEF(DRM_I915_GEM_GET_TILING, i915_gem_get_tiling, 0),
-	DRM_IOCTL_DEF(DRM_I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, 0),
-	DRM_IOCTL_DEF(DRM_I915_GEM_MADVISE, i915_gem_madvise_ioctl, 0),
-	DRM_IOCTL_DEF(DRM_I915_OVERLAY_PUT_IMAGE, intel_overlay_put_image, DRM_MASTER|DRM_CONTROL_ALLOW),
-	DRM_IOCTL_DEF(DRM_I915_OVERLAY_ATTRS, intel_overlay_attrs, DRM_MASTER|DRM_CONTROL_ALLOW),
+	DRM_IOCTL_DEF(DRM_I915_GEM_INIT, i915_gem_init_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_EXECBUFFER, i915_gem_execbuffer, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_EXECBUFFER2, i915_gem_execbuffer2, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_PIN, i915_gem_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_UNPIN, i915_gem_unpin_ioctl, DRM_AUTH|DRM_ROOT_ONLY|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_THROTTLE, i915_gem_throttle_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_ENTERVT, i915_gem_entervt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_LEAVEVT, i915_gem_leavevt_ioctl, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_CREATE, i915_gem_create_ioctl, DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_PREAD, i915_gem_pread_ioctl, DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_PWRITE, i915_gem_pwrite_ioctl, DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_MMAP, i915_gem_mmap_ioctl, DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_MMAP_GTT, i915_gem_mmap_gtt_ioctl, DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_SET_DOMAIN, i915_gem_set_domain_ioctl, DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_SW_FINISH, i915_gem_sw_finish_ioctl, DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_SET_TILING, i915_gem_set_tiling, DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_GET_TILING, i915_gem_get_tiling, DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_GET_APERTURE, i915_gem_get_aperture_ioctl, DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GET_PIPE_FROM_CRTC_ID, intel_get_pipe_from_crtc_id, DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_GEM_MADVISE, i915_gem_madvise_ioctl, DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_OVERLAY_PUT_IMAGE, intel_overlay_put_image, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_I915_OVERLAY_ATTRS, intel_overlay_attrs, DRM_MASTER|DRM_CONTROL_ALLOW|DRM_UNLOCKED),
 };
 
 int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls);
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index cf4cb3e9a0c2..4b26919abdb2 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -49,6 +49,7 @@ unsigned int i915_lvds_downclock = 0;
 module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
 
 static struct drm_driver driver;
+extern int intel_agp_enabled;
 
 #define INTEL_VGA_DEVICE(id, info) {		\
 	.class = PCI_CLASS_DISPLAY_VGA << 8,	\
@@ -136,6 +137,16 @@ const static struct intel_device_info intel_ironlake_m_info = {
 	.has_hotplug = 1,
 };
 
+const static struct intel_device_info intel_sandybridge_d_info = {
+	.is_i965g = 1, .is_i9xx = 1, .need_gfx_hws = 1,
+	.has_hotplug = 1, .is_gen6 = 1,
+};
+
+const static struct intel_device_info intel_sandybridge_m_info = {
+	.is_i965g = 1, .is_mobile = 1, .is_i9xx = 1, .need_gfx_hws = 1,
+	.has_hotplug = 1, .is_gen6 = 1,
+};
+
 const static struct pci_device_id pciidlist[] = {
 	INTEL_VGA_DEVICE(0x3577, &intel_i830_info),
 	INTEL_VGA_DEVICE(0x2562, &intel_845g_info),
@@ -167,6 +178,8 @@ const static struct pci_device_id pciidlist[] = {
 	INTEL_VGA_DEVICE(0xa011, &intel_pineview_info),
 	INTEL_VGA_DEVICE(0x0042, &intel_ironlake_d_info),
 	INTEL_VGA_DEVICE(0x0046, &intel_ironlake_m_info),
+	INTEL_VGA_DEVICE(0x0102, &intel_sandybridge_d_info),
+	INTEL_VGA_DEVICE(0x0106, &intel_sandybridge_m_info),
 	{0, 0, 0}
 };
 
@@ -201,7 +214,7 @@ static int i915_drm_freeze(struct drm_device *dev)
 	return 0;
 }
 
-static int i915_suspend(struct drm_device *dev, pm_message_t state)
+int i915_suspend(struct drm_device *dev, pm_message_t state)
 {
 	int error;
 
@@ -255,7 +268,7 @@ static int i915_drm_thaw(struct drm_device *dev)
 	return error;
 }
 
-static int i915_resume(struct drm_device *dev)
+int i915_resume(struct drm_device *dev)
 {
 	if (pci_enable_device(dev->pdev))
 		return -EIO;
@@ -546,6 +559,11 @@ static struct drm_driver driver = {
 
 static int __init i915_init(void)
 {
+	if (!intel_agp_enabled) {
+		DRM_ERROR("drm/i915 can't work without intel_agp module!\n");
+		return -ENODEV;
+	}
+
 	driver.num_ioctls = i915_max_ioctl;
 
 	i915_gem_shrinker_init();
@@ -571,6 +589,11 @@ static int __init i915_init(void)
 		driver.driver_features &= ~DRIVER_MODESET;
 #endif
 
+	if (!(driver.driver_features & DRIVER_MODESET)) {
+		driver.suspend = i915_suspend;
+		driver.resume = i915_resume;
+	}
+
 	return drm_init(&driver);
 }
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index b99b6a841d95..aba8260fbc5e 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -150,7 +150,27 @@ struct drm_i915_error_state {
 	u32 instps;
 	u32 instdone1;
 	u32 seqno;
+	u64 bbaddr;
 	struct timeval time;
+	struct drm_i915_error_object {
+		int page_count;
+		u32 gtt_offset;
+		u32 *pages[0];
+	} *ringbuffer, *batchbuffer[2];
+	struct drm_i915_error_buffer {
+		size_t size;
+		u32 name;
+		u32 seqno;
+		u32 gtt_offset;
+		u32 read_domains;
+		u32 write_domain;
+		u32 fence_reg;
+		s32 pinned:2;
+		u32 tiling:2;
+		u32 dirty:1;
+		u32 purgeable:1;
+	} *active_bo;
+	u32 active_bo_count;
 };
 
 struct drm_i915_display_funcs {
@@ -185,6 +205,7 @@ struct intel_device_info {
 	u8 is_g4x : 1;
 	u8 is_pineview : 1;
 	u8 is_ironlake : 1;
+	u8 is_gen6 : 1;
 	u8 has_fbc : 1;
 	u8 has_rc6 : 1;
 	u8 has_pipe_cxsr : 1;
@@ -192,6 +213,14 @@ struct intel_device_info {
 	u8 cursor_needs_physical : 1;
 };
 
+enum no_fbc_reason {
+	FBC_STOLEN_TOO_SMALL, /* not enough space to hold compressed buffers */
+	FBC_UNSUPPORTED_MODE, /* interlace or doublescanned mode */
+	FBC_MODE_TOO_LARGE, /* mode too large for compression */
+	FBC_BAD_PLANE, /* fbc not supported on plane */
+	FBC_NOT_TILED, /* buffer not tiled */
+};
+
 typedef struct drm_i915_private {
 	struct drm_device *dev;
 
@@ -452,6 +481,7 @@ typedef struct drm_i915_private {
 	u32 savePIPEB_DATA_N1;
 	u32 savePIPEB_LINK_M1;
 	u32 savePIPEB_LINK_N1;
+	u32 saveMCHBAR_RENDER_STANDBY;
 
 	struct {
 		struct drm_mm gtt_space;
@@ -590,6 +620,14 @@ typedef struct drm_i915_private {
 	int child_dev_num;
 	struct child_device_config *child_dev;
 	struct drm_connector *int_lvds_connector;
+
+	bool mchbar_need_disable;
+
+	u8 cur_delay;
+	u8 min_delay;
+	u8 max_delay;
+
+	enum no_fbc_reason no_fbc_reason;
 } drm_i915_private_t;
 
 /** driver private structure attached to each drm_gem_object */
@@ -736,6 +774,8 @@ extern unsigned int i915_fbpercrtc;
 extern unsigned int i915_powersave;
 extern unsigned int i915_lvds_downclock;
 
+extern int i915_suspend(struct drm_device *dev, pm_message_t state);
+extern int i915_resume(struct drm_device *dev);
 extern void i915_save_display(struct drm_device *dev);
 extern void i915_restore_display(struct drm_device *dev);
 extern int i915_master_create(struct drm_device *dev, struct drm_master *master);
@@ -761,6 +801,7 @@ extern int i965_reset(struct drm_device *dev, u8 flags);
 
 /* i915_irq.c */
 void i915_hangcheck_elapsed(unsigned long data);
+void i915_destroy_error_state(struct drm_device *dev);
 extern int i915_irq_emit(struct drm_device *dev, void *data,
 			 struct drm_file *file_priv);
 extern int i915_irq_wait(struct drm_device *dev, void *data,
@@ -897,7 +938,8 @@ void i915_gem_object_do_bit_17_swizzle(struct drm_gem_object *obj);
 void i915_gem_object_save_bit_17_swizzle(struct drm_gem_object *obj);
 bool i915_tiling_ok(struct drm_device *dev, int stride, int size,
 		    int tiling_mode);
-bool i915_obj_fenceable(struct drm_device *dev, struct drm_gem_object *obj);
+bool i915_gem_object_fence_offset_ok(struct drm_gem_object *obj,
+				     int tiling_mode);
 
 /* i915_gem_debug.c */
 void i915_gem_dump_object(struct drm_gem_object *obj, int len,
@@ -1026,7 +1068,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 #define IS_845G(dev)		((dev)->pci_device == 0x2562)
 #define IS_I85X(dev)		((dev)->pci_device == 0x3582)
 #define IS_I865G(dev)		((dev)->pci_device == 0x2572)
-#define IS_I8XX(dev)		(INTEL_INFO(dev)->is_i8xx)
+#define IS_GEN2(dev)		(INTEL_INFO(dev)->is_i8xx)
 #define IS_I915G(dev)		(INTEL_INFO(dev)->is_i915g)
 #define IS_I915GM(dev)		((dev)->pci_device == 0x2592)
 #define IS_I945G(dev)		((dev)->pci_device == 0x2772)
@@ -1043,8 +1085,28 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 #define IS_IRONLAKE_M(dev)	((dev)->pci_device == 0x0046)
 #define IS_IRONLAKE(dev)	(INTEL_INFO(dev)->is_ironlake)
 #define IS_I9XX(dev)		(INTEL_INFO(dev)->is_i9xx)
+#define IS_GEN6(dev)		(INTEL_INFO(dev)->is_gen6)
 #define IS_MOBILE(dev)		(INTEL_INFO(dev)->is_mobile)
 
+#define IS_GEN3(dev)	(IS_I915G(dev) ||			\
+			 IS_I915GM(dev) ||			\
+			 IS_I945G(dev) ||			\
+			 IS_I945GM(dev) ||			\
+			 IS_G33(dev) || \
+			 IS_PINEVIEW(dev))
+#define IS_GEN4(dev)	((dev)->pci_device == 0x2972 ||		\
+			 (dev)->pci_device == 0x2982 ||		\
+			 (dev)->pci_device == 0x2992 ||		\
+			 (dev)->pci_device == 0x29A2 ||		\
+			 (dev)->pci_device == 0x2A02 ||		\
+			 (dev)->pci_device == 0x2A12 ||		\
+			 (dev)->pci_device == 0x2E02 ||		\
+			 (dev)->pci_device == 0x2E12 ||		\
+			 (dev)->pci_device == 0x2E22 ||		\
+			 (dev)->pci_device == 0x2E32 ||		\
+			 (dev)->pci_device == 0x2A42 ||		\
+			 (dev)->pci_device == 0x2E42)
+
 #define I915_NEED_GFX_HWS(dev)	(INTEL_INFO(dev)->need_gfx_hws)
 
 /* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
@@ -1067,6 +1129,9 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 #define I915_HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
 #define I915_HAS_RC6(dev) (INTEL_INFO(dev)->has_rc6)
 
+#define HAS_PCH_SPLIT(dev) (IS_IRONLAKE(dev) ||	\
+			    IS_GEN6(dev))
+
 #define PRIMARY_RINGBUFFER_SIZE         (128*1024)
 
 #endif
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ec8a0d7ffa39..933e865a8929 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -128,9 +128,7 @@ i915_gem_create_ioctl(struct drm_device *dev, void *data,
 		return -ENOMEM;
 
 	ret = drm_gem_handle_create(file_priv, obj, &handle);
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_handle_unreference(obj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_handle_unreference_unlocked(obj);
 
 	if (ret)
 		return ret;
@@ -488,7 +486,7 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
 	 */
 	if (args->offset > obj->size || args->size > obj->size ||
 	    args->offset + args->size > obj->size) {
-		drm_gem_object_unreference(obj);
+		drm_gem_object_unreference_unlocked(obj);
 		return -EINVAL;
 	}
 
@@ -501,7 +499,7 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
 							file_priv);
 	}
 
-	drm_gem_object_unreference(obj);
+	drm_gem_object_unreference_unlocked(obj);
 
 	return ret;
 }
@@ -961,7 +959,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
 	 */
 	if (args->offset > obj->size || args->size > obj->size ||
 	    args->offset + args->size > obj->size) {
-		drm_gem_object_unreference(obj);
+		drm_gem_object_unreference_unlocked(obj);
 		return -EINVAL;
 	}
 
@@ -995,7 +993,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
 		DRM_INFO("pwrite failed %d\n", ret);
 #endif
 
-	drm_gem_object_unreference(obj);
+	drm_gem_object_unreference_unlocked(obj);
 
 	return ret;
 }
@@ -1138,9 +1136,7 @@ i915_gem_mmap_ioctl(struct drm_device *dev, void *data,
 		       PROT_READ | PROT_WRITE, MAP_SHARED,
 		       args->offset);
 	up_write(&current->mm->mmap_sem);
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(obj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(obj);
 	if (IS_ERR((void *)addr))
 		return addr;
 
@@ -1470,9 +1466,6 @@ i915_gem_object_put_pages(struct drm_gem_object *obj)
 		obj_priv->dirty = 0;
 
 	for (i = 0; i < page_count; i++) {
-		if (obj_priv->pages[i] == NULL)
-			break;
-
 		if (obj_priv->dirty)
 			set_page_dirty(obj_priv->pages[i]);
 
@@ -1562,6 +1555,38 @@ i915_gem_object_move_to_inactive(struct drm_gem_object *obj)
 	i915_verify_inactive(dev, __FILE__, __LINE__);
 }
 
+static void
+i915_gem_process_flushing_list(struct drm_device *dev,
+			       uint32_t flush_domains, uint32_t seqno)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_object *obj_priv, *next;
+
+	list_for_each_entry_safe(obj_priv, next,
+				 &dev_priv->mm.gpu_write_list,
+				 gpu_write_list) {
+		struct drm_gem_object *obj = obj_priv->obj;
+
+		if ((obj->write_domain & flush_domains) ==
+		    obj->write_domain) {
+			uint32_t old_write_domain = obj->write_domain;
+
+			obj->write_domain = 0;
+			list_del_init(&obj_priv->gpu_write_list);
+			i915_gem_object_move_to_active(obj, seqno);
+
+			/* update the fence lru list */
+			if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
+				list_move_tail(&obj_priv->fence_list,
+						&dev_priv->mm.fence_list);
+
+			trace_i915_gem_object_change_domain(obj,
+							    obj->read_domains,
+							    old_write_domain);
+		}
+	}
+}
+
 /**
  * Creates a new sequence number, emitting a write of it to the status page
  * plus an interrupt, which will trigger i915_user_interrupt_handler.
@@ -1620,29 +1645,8 @@ i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
 	/* Associate any objects on the flushing list matching the write
 	 * domain we're flushing with our flush.
 	 */
-	if (flush_domains != 0) {
-		struct drm_i915_gem_object *obj_priv, *next;
-
-		list_for_each_entry_safe(obj_priv, next,
-					 &dev_priv->mm.gpu_write_list,
-					 gpu_write_list) {
-			struct drm_gem_object *obj = obj_priv->obj;
-
-			if ((obj->write_domain & flush_domains) ==
-			    obj->write_domain) {
-				uint32_t old_write_domain = obj->write_domain;
-
-				obj->write_domain = 0;
-				list_del_init(&obj_priv->gpu_write_list);
-				i915_gem_object_move_to_active(obj, seqno);
-
-				trace_i915_gem_object_change_domain(obj,
-								    obj->read_domains,
-								    old_write_domain);
-			}
-		}
-
-	}
+	if (flush_domains != 0) 
+		i915_gem_process_flushing_list(dev, flush_domains, seqno);
 
 	if (!dev_priv->mm.suspended) {
 		mod_timer(&dev_priv->hangcheck_timer, jiffies + DRM_I915_HANGCHECK_PERIOD);
@@ -1822,7 +1826,7 @@ i915_do_wait_request(struct drm_device *dev, uint32_t seqno, int interruptible)
 		return -EIO;
 
 	if (!i915_seqno_passed(i915_get_gem_seqno(dev), seqno)) {
-		if (IS_IRONLAKE(dev))
+		if (HAS_PCH_SPLIT(dev))
 			ier = I915_READ(DEIER) | I915_READ(GTIER);
 		else
 			ier = I915_READ(IER);
@@ -1991,6 +1995,7 @@ int
 i915_gem_object_unbind(struct drm_gem_object *obj)
 {
 	struct drm_device *dev = obj->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct drm_i915_gem_object *obj_priv = obj->driver_private;
 	int ret = 0;
 
@@ -2046,8 +2051,10 @@ i915_gem_object_unbind(struct drm_gem_object *obj)
 	}
 
 	/* Remove ourselves from the LRU list if present. */
+	spin_lock(&dev_priv->mm.active_list_lock);
 	if (!list_empty(&obj_priv->list))
 		list_del_init(&obj_priv->list);
+	spin_unlock(&dev_priv->mm.active_list_lock);
 
 	if (i915_gem_object_is_purgeable(obj_priv))
 		i915_gem_object_truncate(obj);
@@ -2085,11 +2092,34 @@ i915_gem_find_inactive_object(struct drm_device *dev, int min_size)
 }
 
 static int
+i915_gpu_idle(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	bool lists_empty;
+	uint32_t seqno;
+
+	spin_lock(&dev_priv->mm.active_list_lock);
+	lists_empty = list_empty(&dev_priv->mm.flushing_list) &&
+		      list_empty(&dev_priv->mm.active_list);
+	spin_unlock(&dev_priv->mm.active_list_lock);
+
+	if (lists_empty)
+		return 0;
+
+	/* Flush everything onto the inactive list. */
+	i915_gem_flush(dev, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
+	seqno = i915_add_request(dev, NULL, I915_GEM_GPU_DOMAINS);
+	if (seqno == 0)
+		return -ENOMEM;
+
+	return i915_wait_request(dev, seqno);
+}
+
+static int
 i915_gem_evict_everything(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	int ret;
-	uint32_t seqno;
 	bool lists_empty;
 
 	spin_lock(&dev_priv->mm.active_list_lock);
@@ -2102,12 +2132,7 @@ i915_gem_evict_everything(struct drm_device *dev)
 		return -ENOSPC;
 
 	/* Flush everything (on to the inactive lists) and evict */
-	i915_gem_flush(dev, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
-	seqno = i915_add_request(dev, NULL, I915_GEM_GPU_DOMAINS);
-	if (seqno == 0)
-		return -ENOMEM;
-
-	ret = i915_wait_request(dev, seqno);
+	ret = i915_gpu_idle(dev);
 	if (ret)
 		return ret;
 
@@ -2199,11 +2224,6 @@ i915_gem_evict_something(struct drm_device *dev, int min_size)
 				seqno = i915_add_request(dev, NULL, obj->write_domain);
 				if (seqno == 0)
 					return -ENOMEM;
-
-				ret = i915_wait_request(dev, seqno);
-				if (ret)
-					return ret;
-
 				continue;
 			}
 		}
@@ -2228,7 +2248,6 @@ i915_gem_object_get_pages(struct drm_gem_object *obj,
 	struct address_space *mapping;
 	struct inode *inode;
 	struct page *page;
-	int ret;
 
 	if (obj_priv->pages_refcount++ != 0)
 		return 0;
@@ -2251,11 +2270,9 @@ i915_gem_object_get_pages(struct drm_gem_object *obj,
 					   mapping_gfp_mask (mapping) |
 					   __GFP_COLD |
 					   gfpmask);
-		if (IS_ERR(page)) {
-			ret = PTR_ERR(page);
-			i915_gem_object_put_pages(obj);
-			return ret;
-		}
+		if (IS_ERR(page))
+			goto err_pages;
+
 		obj_priv->pages[i] = page;
 	}
 
@@ -2263,6 +2280,37 @@ i915_gem_object_get_pages(struct drm_gem_object *obj,
 		i915_gem_object_do_bit_17_swizzle(obj);
 
 	return 0;
+
+err_pages:
+	while (i--)
+		page_cache_release(obj_priv->pages[i]);
+
+	drm_free_large(obj_priv->pages);
+	obj_priv->pages = NULL;
+	obj_priv->pages_refcount--;
+	return PTR_ERR(page);
+}
+
+static void sandybridge_write_fence_reg(struct drm_i915_fence_reg *reg)
+{
+	struct drm_gem_object *obj = reg->obj;
+	struct drm_device *dev = obj->dev;
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	struct drm_i915_gem_object *obj_priv = obj->driver_private;
+	int regnum = obj_priv->fence_reg;
+	uint64_t val;
+
+	val = (uint64_t)((obj_priv->gtt_offset + obj->size - 4096) &
+		    0xfffff000) << 32;
+	val |= obj_priv->gtt_offset & 0xfffff000;
+	val |= (uint64_t)((obj_priv->stride / 128) - 1) <<
+		SANDYBRIDGE_FENCE_PITCH_SHIFT;
+
+	if (obj_priv->tiling_mode == I915_TILING_Y)
+		val |= 1 << I965_FENCE_TILING_Y_SHIFT;
+	val |= I965_FENCE_REG_VALID;
+
+	I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 + (regnum * 8), val);
 }
 
 static void i965_write_fence_reg(struct drm_i915_fence_reg *reg)
@@ -2361,6 +2409,58 @@ static void i830_write_fence_reg(struct drm_i915_fence_reg *reg)
 	I915_WRITE(FENCE_REG_830_0 + (regnum * 4), val);
 }
 
+static int i915_find_fence_reg(struct drm_device *dev)
+{
+	struct drm_i915_fence_reg *reg = NULL;
+	struct drm_i915_gem_object *obj_priv = NULL;
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct drm_gem_object *obj = NULL;
+	int i, avail, ret;
+
+	/* First try to find a free reg */
+	avail = 0;
+	for (i = dev_priv->fence_reg_start; i < dev_priv->num_fence_regs; i++) {
+		reg = &dev_priv->fence_regs[i];
+		if (!reg->obj)
+			return i;
+
+		obj_priv = reg->obj->driver_private;
+		if (!obj_priv->pin_count)
+		    avail++;
+	}
+
+	if (avail == 0)
+		return -ENOSPC;
+
+	/* None available, try to steal one or wait for a user to finish */
+	i = I915_FENCE_REG_NONE;
+	list_for_each_entry(obj_priv, &dev_priv->mm.fence_list,
+			    fence_list) {
+		obj = obj_priv->obj;
+
+		if (obj_priv->pin_count)
+			continue;
+
+		/* found one! */
+		i = obj_priv->fence_reg;
+		break;
+	}
+
+	BUG_ON(i == I915_FENCE_REG_NONE);
+
+	/* We only have a reference on obj from the active list. put_fence_reg
+	 * might drop that one, causing a use-after-free in it. So hold a
+	 * private reference to obj like the other callers of put_fence_reg
+	 * (set_tiling ioctl) do. */
+	drm_gem_object_reference(obj);
+	ret = i915_gem_object_put_fence_reg(obj);
+	drm_gem_object_unreference(obj);
+	if (ret != 0)
+		return ret;
+
+	return i;
+}
+
 /**
  * i915_gem_object_get_fence_reg - set up a fence reg for an object
  * @obj: object to map through a fence reg
@@ -2381,8 +2481,7 @@ i915_gem_object_get_fence_reg(struct drm_gem_object *obj)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct drm_i915_gem_object *obj_priv = obj->driver_private;
 	struct drm_i915_fence_reg *reg = NULL;
-	struct drm_i915_gem_object *old_obj_priv = NULL;
-	int i, ret, avail;
+	int ret;
 
 	/* Just update our place in the LRU if our fence is getting used. */
 	if (obj_priv->fence_reg != I915_FENCE_REG_NONE) {
@@ -2410,86 +2509,27 @@ i915_gem_object_get_fence_reg(struct drm_gem_object *obj)
 		break;
 	}
 
-	/* First try to find a free reg */
-	avail = 0;
-	for (i = dev_priv->fence_reg_start; i < dev_priv->num_fence_regs; i++) {
-		reg = &dev_priv->fence_regs[i];
-		if (!reg->obj)
-			break;
-
-		old_obj_priv = reg->obj->driver_private;
-		if (!old_obj_priv->pin_count)
-		    avail++;
-	}
-
-	/* None available, try to steal one or wait for a user to finish */
-	if (i == dev_priv->num_fence_regs) {
-		struct drm_gem_object *old_obj = NULL;
-
-		if (avail == 0)
-			return -ENOSPC;
-
-		list_for_each_entry(old_obj_priv, &dev_priv->mm.fence_list,
-				    fence_list) {
-			old_obj = old_obj_priv->obj;
-
-			if (old_obj_priv->pin_count)
-				continue;
-
-			/* Take a reference, as otherwise the wait_rendering
-			 * below may cause the object to get freed out from
-			 * under us.
-			 */
-			drm_gem_object_reference(old_obj);
-
-			/* i915 uses fences for GPU access to tiled buffers */
-			if (IS_I965G(dev) || !old_obj_priv->active)
-				break;
-
-			/* This brings the object to the head of the LRU if it
-			 * had been written to.  The only way this should
-			 * result in us waiting longer than the expected
-			 * optimal amount of time is if there was a
-			 * fence-using buffer later that was read-only.
-			 */
-			i915_gem_object_flush_gpu_write_domain(old_obj);
-			ret = i915_gem_object_wait_rendering(old_obj);
-			if (ret != 0) {
-				drm_gem_object_unreference(old_obj);
-				return ret;
-			}
-
-			break;
-		}
-
-		/*
-		 * Zap this virtual mapping so we can set up a fence again
-		 * for this object next time we need it.
-		 */
-		i915_gem_release_mmap(old_obj);
-
-		i = old_obj_priv->fence_reg;
-		reg = &dev_priv->fence_regs[i];
-
-		old_obj_priv->fence_reg = I915_FENCE_REG_NONE;
-		list_del_init(&old_obj_priv->fence_list);
-
-		drm_gem_object_unreference(old_obj);
-	}
+	ret = i915_find_fence_reg(dev);
+	if (ret < 0)
+		return ret;
 
-	obj_priv->fence_reg = i;
+	obj_priv->fence_reg = ret;
+	reg = &dev_priv->fence_regs[obj_priv->fence_reg];
 	list_add_tail(&obj_priv->fence_list, &dev_priv->mm.fence_list);
 
 	reg->obj = obj;
 
-	if (IS_I965G(dev))
+	if (IS_GEN6(dev))
+		sandybridge_write_fence_reg(reg);
+	else if (IS_I965G(dev))
 		i965_write_fence_reg(reg);
 	else if (IS_I9XX(dev))
 		i915_write_fence_reg(reg);
 	else
 		i830_write_fence_reg(reg);
 
-	trace_i915_gem_object_get_fence(obj, i, obj_priv->tiling_mode);
+	trace_i915_gem_object_get_fence(obj, obj_priv->fence_reg,
+			obj_priv->tiling_mode);
 
 	return 0;
 }
@@ -2508,9 +2548,12 @@ i915_gem_clear_fence_reg(struct drm_gem_object *obj)
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	struct drm_i915_gem_object *obj_priv = obj->driver_private;
 
-	if (IS_I965G(dev))
+	if (IS_GEN6(dev)) {
+		I915_WRITE64(FENCE_REG_SANDYBRIDGE_0 +
+			     (obj_priv->fence_reg * 8), 0);
+	} else if (IS_I965G(dev)) {
 		I915_WRITE64(FENCE_REG_965_0 + (obj_priv->fence_reg * 8), 0);
-	else {
+	} else {
 		uint32_t fence_reg;
 
 		if (obj_priv->fence_reg < 8)
@@ -2544,6 +2587,12 @@ i915_gem_object_put_fence_reg(struct drm_gem_object *obj)
 	if (obj_priv->fence_reg == I915_FENCE_REG_NONE)
 		return 0;
 
+	/* If we've changed tiling, GTT-mappings of the object
+	 * need to re-fault to ensure that the correct fence register
+	 * setup is in place.
+	 */
+	i915_gem_release_mmap(obj);
+
 	/* On the i915, GPU access to tiled buffers is via a fence,
 	 * therefore we must wait for any outstanding access to complete
 	 * before clearing the fence.
@@ -2552,12 +2601,12 @@ i915_gem_object_put_fence_reg(struct drm_gem_object *obj)
 		int ret;
 
 		i915_gem_object_flush_gpu_write_domain(obj);
-		i915_gem_object_flush_gtt_write_domain(obj);
 		ret = i915_gem_object_wait_rendering(obj);
 		if (ret != 0)
 			return ret;
 	}
 
+	i915_gem_object_flush_gtt_write_domain(obj);
 	i915_gem_clear_fence_reg (obj);
 
 	return 0;
@@ -2697,7 +2746,6 @@ static void
 i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj)
 {
 	struct drm_device *dev = obj->dev;
-	uint32_t seqno;
 	uint32_t old_write_domain;
 
 	if ((obj->write_domain & I915_GEM_GPU_DOMAINS) == 0)
@@ -2706,9 +2754,8 @@ i915_gem_object_flush_gpu_write_domain(struct drm_gem_object *obj)
 	/* Queue the GPU write cache flushing we need. */
 	old_write_domain = obj->write_domain;
 	i915_gem_flush(dev, 0, obj->write_domain);
-	seqno = i915_add_request(dev, NULL, obj->write_domain);
+	(void) i915_add_request(dev, NULL, obj->write_domain);
 	BUG_ON(obj->write_domain);
-	i915_gem_object_move_to_active(obj, seqno);
 
 	trace_i915_gem_object_change_domain(obj,
 					    obj->read_domains,
@@ -3247,7 +3294,8 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
 	             obj_priv->tiling_mode != I915_TILING_NONE;
 
 	/* Check fence reg constraints and rebind if necessary */
-	if (need_fence && !i915_obj_fenceable(dev, obj))
+	if (need_fence && !i915_gem_object_fence_offset_ok(obj,
+	    obj_priv->tiling_mode))
 		i915_gem_object_unbind(obj);
 
 	/* Choose the GTT offset for our buffer and put it there. */
@@ -3317,6 +3365,16 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
 		}
 
 		/* Validate that the target is in a valid r/w GPU domain */
+		if (reloc->write_domain & (reloc->write_domain - 1)) {
+			DRM_ERROR("reloc with multiple write domains: "
+				  "obj %p target %d offset %d "
+				  "read %08x write %08x",
+				  obj, reloc->target_handle,
+				  (int) reloc->offset,
+				  reloc->read_domains,
+				  reloc->write_domain);
+			return -EINVAL;
+		}
 		if (reloc->write_domain & I915_GEM_DOMAIN_CPU ||
 		    reloc->read_domains & I915_GEM_DOMAIN_CPU) {
 			DRM_ERROR("reloc with read/write CPU domains: "
@@ -4445,8 +4503,7 @@ int
 i915_gem_idle(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = dev->dev_private;
-	uint32_t seqno, cur_seqno, last_seqno;
-	int stuck, ret;
+	int ret;
 
 	mutex_lock(&dev->struct_mutex);
 
@@ -4455,115 +4512,36 @@ i915_gem_idle(struct drm_device *dev)
 		return 0;
 	}
 
-	/* Hack!  Don't let anybody do execbuf while we don't control the chip.
-	 * We need to replace this with a semaphore, or something.
-	 */
-	dev_priv->mm.suspended = 1;
-	del_timer(&dev_priv->hangcheck_timer);
-
-	/* Cancel the retire work handler, wait for it to finish if running
-	 */
-	mutex_unlock(&dev->struct_mutex);
-	cancel_delayed_work_sync(&dev_priv->mm.retire_work);
-	mutex_lock(&dev->struct_mutex);
-
-	i915_kernel_lost_context(dev);
-
-	/* Flush the GPU along with all non-CPU write domains
-	 */
-	i915_gem_flush(dev, I915_GEM_GPU_DOMAINS, I915_GEM_GPU_DOMAINS);
-	seqno = i915_add_request(dev, NULL, I915_GEM_GPU_DOMAINS);
-
-	if (seqno == 0) {
+	ret = i915_gpu_idle(dev);
+	if (ret) {
 		mutex_unlock(&dev->struct_mutex);
-		return -ENOMEM;
+		return ret;
 	}
 
-	dev_priv->mm.waiting_gem_seqno = seqno;
-	last_seqno = 0;
-	stuck = 0;
-	for (;;) {
-		cur_seqno = i915_get_gem_seqno(dev);
-		if (i915_seqno_passed(cur_seqno, seqno))
-			break;
-		if (last_seqno == cur_seqno) {
-			if (stuck++ > 100) {
-				DRM_ERROR("hardware wedged\n");
-				atomic_set(&dev_priv->mm.wedged, 1);
-				DRM_WAKEUP(&dev_priv->irq_queue);
-				break;
-			}
+	/* Under UMS, be paranoid and evict. */
+	if (!drm_core_check_feature(dev, DRIVER_MODESET)) {
+		ret = i915_gem_evict_from_inactive_list(dev);
+		if (ret) {
+			mutex_unlock(&dev->struct_mutex);
+			return ret;
 		}
-		msleep(10);
-		last_seqno = cur_seqno;
 	}
-	dev_priv->mm.waiting_gem_seqno = 0;
-
-	i915_gem_retire_requests(dev);
 
-	spin_lock(&dev_priv->mm.active_list_lock);
-	if (!atomic_read(&dev_priv->mm.wedged)) {
-		/* Active and flushing should now be empty as we've
-		 * waited for a sequence higher than any pending execbuffer
-		 */
-		WARN_ON(!list_empty(&dev_priv->mm.active_list));
-		WARN_ON(!list_empty(&dev_priv->mm.flushing_list));
-		/* Request should now be empty as we've also waited
-		 * for the last request in the list
-		 */
-		WARN_ON(!list_empty(&dev_priv->mm.request_list));
-	}
-
-	/* Empty the active and flushing lists to inactive.  If there's
-	 * anything left at this point, it means that we're wedged and
-	 * nothing good's going to happen by leaving them there.  So strip
-	 * the GPU domains and just stuff them onto inactive.
+	/* Hack!  Don't let anybody do execbuf while we don't control the chip.
+	 * We need to replace this with a semaphore, or something.
+	 * And not confound mm.suspended!
 	 */
-	while (!list_empty(&dev_priv->mm.active_list)) {
-		struct drm_gem_object *obj;
-		uint32_t old_write_domain;
-
-		obj = list_first_entry(&dev_priv->mm.active_list,
-				       struct drm_i915_gem_object,
-				       list)->obj;
-		old_write_domain = obj->write_domain;
-		obj->write_domain &= ~I915_GEM_GPU_DOMAINS;
-		i915_gem_object_move_to_inactive(obj);
-
-		trace_i915_gem_object_change_domain(obj,
-						    obj->read_domains,
-						    old_write_domain);
-	}
-	spin_unlock(&dev_priv->mm.active_list_lock);
-
-	while (!list_empty(&dev_priv->mm.flushing_list)) {
-		struct drm_gem_object *obj;
-		uint32_t old_write_domain;
-
-		obj = list_first_entry(&dev_priv->mm.flushing_list,
-				       struct drm_i915_gem_object,
-				       list)->obj;
-		old_write_domain = obj->write_domain;
-		obj->write_domain &= ~I915_GEM_GPU_DOMAINS;
-		i915_gem_object_move_to_inactive(obj);
-
-		trace_i915_gem_object_change_domain(obj,
-						    obj->read_domains,
-						    old_write_domain);
-	}
-
-
-	/* Move all inactive buffers out of the GTT. */
-	ret = i915_gem_evict_from_inactive_list(dev);
-	WARN_ON(!list_empty(&dev_priv->mm.inactive_list));
-	if (ret) {
-		mutex_unlock(&dev->struct_mutex);
-		return ret;
-	}
+	dev_priv->mm.suspended = 1;
+	del_timer(&dev_priv->hangcheck_timer);
 
+	i915_kernel_lost_context(dev);
 	i915_gem_cleanup_ringbuffer(dev);
+
 	mutex_unlock(&dev->struct_mutex);
 
+	/* Cancel the retire work handler, which should be idle now. */
+	cancel_delayed_work_sync(&dev_priv->mm.retire_work);
+
 	return 0;
 }
 
@@ -4607,8 +4585,13 @@ i915_gem_init_hws(struct drm_device *dev)
 	}
 	dev_priv->hws_obj = obj;
 	memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
-	I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
-	I915_READ(HWS_PGA); /* posting read */
+	if (IS_GEN6(dev)) {
+		I915_WRITE(HWS_PGA_GEN6, dev_priv->status_gfx_addr);
+		I915_READ(HWS_PGA_GEN6); /* posting read */
+	} else {
+		I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr);
+		I915_READ(HWS_PGA); /* posting read */
+	}
 	DRM_DEBUG_DRIVER("hws offset: 0x%08x\n", dev_priv->status_gfx_addr);
 
 	return 0;
@@ -4745,6 +4728,11 @@ i915_gem_init_ringbuffer(struct drm_device *dev)
 			ring->space += ring->Size;
 	}
 
+	if (IS_I9XX(dev) && !IS_GEN3(dev)) {
+		I915_WRITE(MI_MODE,
+			   (VS_TIMER_DISPATCH) << 16 | VS_TIMER_DISPATCH);
+	}
+
 	return 0;
 }
 
@@ -4850,7 +4838,8 @@ i915_gem_load(struct drm_device *dev)
 	spin_unlock(&shrink_list_lock);
 
 	/* Old X drivers will take 0-2 for front, back, depth buffers */
-	dev_priv->fence_reg_start = 3;
+	if (!drm_core_check_feature(dev, DRIVER_MODESET))
+		dev_priv->fence_reg_start = 3;
 
 	if (IS_I965G(dev) || IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
 		dev_priv->num_fence_regs = 16;
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index df278b2685bf..c01c878e51ba 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -25,8 +25,6 @@
  *
  */
 
-#include <linux/acpi.h>
-#include <linux/pnp.h>
 #include "linux/string.h"
 #include "linux/bitops.h"
 #include "drmP.h"
@@ -83,120 +81,6 @@
  * to match what the GPU expects.
  */
 
-#define MCHBAR_I915 0x44
-#define MCHBAR_I965 0x48
-#define MCHBAR_SIZE (4*4096)
-
-#define DEVEN_REG 0x54
-#define   DEVEN_MCHBAR_EN (1 << 28)
-
-/* Allocate space for the MCH regs if needed, return nonzero on error */
-static int
-intel_alloc_mchbar_resource(struct drm_device *dev)
-{
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	int reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
-	u32 temp_lo, temp_hi = 0;
-	u64 mchbar_addr;
-	int ret = 0;
-
-	if (IS_I965G(dev))
-		pci_read_config_dword(dev_priv->bridge_dev, reg + 4, &temp_hi);
-	pci_read_config_dword(dev_priv->bridge_dev, reg, &temp_lo);
-	mchbar_addr = ((u64)temp_hi << 32) | temp_lo;
-
-	/* If ACPI doesn't have it, assume we need to allocate it ourselves */
-#ifdef CONFIG_PNP
-	if (mchbar_addr &&
-	    pnp_range_reserved(mchbar_addr, mchbar_addr + MCHBAR_SIZE)) {
-		ret = 0;
-		goto out;
-	}
-#endif
-
-	/* Get some space for it */
-	ret = pci_bus_alloc_resource(dev_priv->bridge_dev->bus, &dev_priv->mch_res,
-				     MCHBAR_SIZE, MCHBAR_SIZE,
-				     PCIBIOS_MIN_MEM,
-				     0,   pcibios_align_resource,
-				     dev_priv->bridge_dev);
-	if (ret) {
-		DRM_DEBUG_DRIVER("failed bus alloc: %d\n", ret);
-		dev_priv->mch_res.start = 0;
-		goto out;
-	}
-
-	if (IS_I965G(dev))
-		pci_write_config_dword(dev_priv->bridge_dev, reg + 4,
-				       upper_32_bits(dev_priv->mch_res.start));
-
-	pci_write_config_dword(dev_priv->bridge_dev, reg,
-			       lower_32_bits(dev_priv->mch_res.start));
-out:
-	return ret;
-}
-
-/* Setup MCHBAR if possible, return true if we should disable it again */
-static bool
-intel_setup_mchbar(struct drm_device *dev)
-{
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
-	u32 temp;
-	bool need_disable = false, enabled;
-
-	if (IS_I915G(dev) || IS_I915GM(dev)) {
-		pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp);
-		enabled = !!(temp & DEVEN_MCHBAR_EN);
-	} else {
-		pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
-		enabled = temp & 1;
-	}
-
-	/* If it's already enabled, don't have to do anything */
-	if (enabled)
-		goto out;
-
-	if (intel_alloc_mchbar_resource(dev))
-		goto out;
-
-	need_disable = true;
-
-	/* Space is allocated or reserved, so enable it. */
-	if (IS_I915G(dev) || IS_I915GM(dev)) {
-		pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG,
-				       temp | DEVEN_MCHBAR_EN);
-	} else {
-		pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
-		pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp | 1);
-	}
-out:
-	return need_disable;
-}
-
-static void
-intel_teardown_mchbar(struct drm_device *dev, bool disable)
-{
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	int mchbar_reg = IS_I965G(dev) ? MCHBAR_I965 : MCHBAR_I915;
-	u32 temp;
-
-	if (disable) {
-		if (IS_I915G(dev) || IS_I915GM(dev)) {
-			pci_read_config_dword(dev_priv->bridge_dev, DEVEN_REG, &temp);
-			temp &= ~DEVEN_MCHBAR_EN;
-			pci_write_config_dword(dev_priv->bridge_dev, DEVEN_REG, temp);
-		} else {
-			pci_read_config_dword(dev_priv->bridge_dev, mchbar_reg, &temp);
-			temp &= ~1;
-			pci_write_config_dword(dev_priv->bridge_dev, mchbar_reg, temp);
-		}
-	}
-
-	if (dev_priv->mch_res.start)
-		release_resource(&dev_priv->mch_res);
-}
-
 /**
  * Detects bit 6 swizzling of address lookup between IGD access and CPU
  * access through main memory.
@@ -207,9 +91,8 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	uint32_t swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
 	uint32_t swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
-	bool need_disable;
 
-	if (IS_IRONLAKE(dev)) {
+	if (IS_IRONLAKE(dev) || IS_GEN6(dev)) {
 		/* On Ironlake whatever DRAM config, GPU always do
 		 * same swizzling setup.
 		 */
@@ -224,9 +107,6 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
 	} else if (IS_MOBILE(dev)) {
 		uint32_t dcc;
 
-		/* Try to make sure MCHBAR is enabled before poking at it */
-		need_disable = intel_setup_mchbar(dev);
-
 		/* On mobile 9xx chipsets, channel interleave by the CPU is
 		 * determined by DCC.  For single-channel, neither the CPU
 		 * nor the GPU do swizzling.  For dual channel interleaved,
@@ -266,8 +146,6 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
 			swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
 			swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
 		}
-
-		intel_teardown_mchbar(dev, need_disable);
 	} else {
 		/* The 965, G33, and newer, have a very flexible memory
 		 * configuration.  It will enable dual-channel mode
@@ -302,39 +180,6 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
 	dev_priv->mm.bit_6_swizzle_y = swizzle_y;
 }
 
-
-/**
- * Returns whether an object is currently fenceable.  If not, it may need
- * to be unbound and have its pitch adjusted.
- */
-bool
-i915_obj_fenceable(struct drm_device *dev, struct drm_gem_object *obj)
-{
-	struct drm_i915_gem_object *obj_priv = obj->driver_private;
-
-	if (IS_I965G(dev)) {
-		/* The 965 can have fences at any page boundary. */
-		if (obj->size & 4095)
-			return false;
-		return true;
-	} else if (IS_I9XX(dev)) {
-		if (obj_priv->gtt_offset & ~I915_FENCE_START_MASK)
-			return false;
-	} else {
-		if (obj_priv->gtt_offset & ~I830_FENCE_START_MASK)
-			return false;
-	}
-
-	/* Power of two sized... */
-	if (obj->size & (obj->size - 1))
-		return false;
-
-	/* Objects must be size aligned as well */
-	if (obj_priv->gtt_offset & (obj->size - 1))
-		return false;
-	return true;
-}
-
 /* Check pitch constriants for all chips & tiling formats */
 bool
 i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
@@ -391,7 +236,7 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
 	return true;
 }
 
-static bool
+bool
 i915_gem_object_fence_offset_ok(struct drm_gem_object *obj, int tiling_mode)
 {
 	struct drm_device *dev = obj->dev;
@@ -438,9 +283,7 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
 	obj_priv = obj->driver_private;
 
 	if (!i915_tiling_ok(dev, args->stride, obj->size, args->tiling_mode)) {
-		mutex_lock(&dev->struct_mutex);
-		drm_gem_object_unreference(obj);
-		mutex_unlock(&dev->struct_mutex);
+		drm_gem_object_unreference_unlocked(obj);
 		return -EINVAL;
 	}
 
@@ -482,9 +325,12 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
 		 * need to ensure that any fence register is cleared.
 		 */
 		if (!i915_gem_object_fence_offset_ok(obj, args->tiling_mode))
-		    ret = i915_gem_object_unbind(obj);
+			ret = i915_gem_object_unbind(obj);
+		else if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
+			ret = i915_gem_object_put_fence_reg(obj);
 		else
-		    ret = i915_gem_object_put_fence_reg(obj);
+			i915_gem_release_mmap(obj);
+
 		if (ret != 0) {
 			WARN(ret != -ERESTARTSYS,
 			     "failed to reset object for tiling switch");
@@ -493,12 +339,6 @@ i915_gem_set_tiling(struct drm_device *dev, void *data,
 			goto err;
 		}
 
-		/* If we've changed tiling, GTT-mappings of the object
-		 * need to re-fault to ensure that the correct fence register
-		 * setup is in place.
-		 */
-		i915_gem_release_mmap(obj);
-
 		obj_priv->tiling_mode = args->tiling_mode;
 		obj_priv->stride = args->stride;
 	}
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index a17d6bdfe63e..5388354da0d1 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -166,7 +166,7 @@ void intel_enable_asle (struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		ironlake_enable_display_irq(dev_priv, DE_GSE);
 	else
 		i915_enable_pipestat(dev_priv, 1,
@@ -269,6 +269,57 @@ static void i915_hotplug_work_func(struct work_struct *work)
 	drm_sysfs_hotplug_event(dev);
 }
 
+static void i915_handle_rps_change(struct drm_device *dev)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	u32 busy_up, busy_down, max_avg, min_avg;
+	u16 rgvswctl;
+	u8 new_delay = dev_priv->cur_delay;
+
+	I915_WRITE(MEMINTRSTS, I915_READ(MEMINTRSTS) & ~MEMINT_EVAL_CHG);
+	busy_up = I915_READ(RCPREVBSYTUPAVG);
+	busy_down = I915_READ(RCPREVBSYTDNAVG);
+	max_avg = I915_READ(RCBMAXAVG);
+	min_avg = I915_READ(RCBMINAVG);
+
+	/* Handle RCS change request from hw */
+	if (busy_up > max_avg) {
+		if (dev_priv->cur_delay != dev_priv->max_delay)
+			new_delay = dev_priv->cur_delay - 1;
+		if (new_delay < dev_priv->max_delay)
+			new_delay = dev_priv->max_delay;
+	} else if (busy_down < min_avg) {
+		if (dev_priv->cur_delay != dev_priv->min_delay)
+			new_delay = dev_priv->cur_delay + 1;
+		if (new_delay > dev_priv->min_delay)
+			new_delay = dev_priv->min_delay;
+	}
+
+	DRM_DEBUG("rps change requested: %d -> %d\n",
+		  dev_priv->cur_delay, new_delay);
+
+	rgvswctl = I915_READ(MEMSWCTL);
+	if (rgvswctl & MEMCTL_CMD_STS) {
+		DRM_ERROR("gpu busy, RCS change rejected\n");
+		return; /* still busy with another command */
+	}
+
+	/* Program the new state */
+	rgvswctl = (MEMCTL_CMD_CHFREQ << MEMCTL_CMD_SHIFT) |
+		(new_delay << MEMCTL_FREQ_SHIFT) | MEMCTL_SFCAVM;
+	I915_WRITE(MEMSWCTL, rgvswctl);
+	POSTING_READ(MEMSWCTL);
+
+	rgvswctl |= MEMCTL_CMD_STS;
+	I915_WRITE(MEMSWCTL, rgvswctl);
+
+	dev_priv->cur_delay = new_delay;
+
+	DRM_DEBUG("rps changed\n");
+
+	return;
+}
+
 irqreturn_t ironlake_irq_handler(struct drm_device *dev)
 {
 	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
@@ -331,6 +382,11 @@ irqreturn_t ironlake_irq_handler(struct drm_device *dev)
 		queue_work(dev_priv->wq, &dev_priv->hotplug_work);
 	}
 
+	if (de_iir & DE_PCU_EVENT) {
+		I915_WRITE(MEMINTRSTS, I915_READ(MEMINTRSTS));
+		i915_handle_rps_change(dev);
+	}
+
 	/* should clear PCH hotplug event before clear CPU irq */
 	I915_WRITE(SDEIIR, pch_iir);
 	I915_WRITE(GTIIR, gt_iir);
@@ -376,6 +432,121 @@ static void i915_error_work_func(struct work_struct *work)
 	}
 }
 
+static struct drm_i915_error_object *
+i915_error_object_create(struct drm_device *dev,
+			 struct drm_gem_object *src)
+{
+	struct drm_i915_error_object *dst;
+	struct drm_i915_gem_object *src_priv;
+	int page, page_count;
+
+	if (src == NULL)
+		return NULL;
+
+	src_priv = src->driver_private;
+	if (src_priv->pages == NULL)
+		return NULL;
+
+	page_count = src->size / PAGE_SIZE;
+
+	dst = kmalloc(sizeof(*dst) + page_count * sizeof (u32 *), GFP_ATOMIC);
+	if (dst == NULL)
+		return NULL;
+
+	for (page = 0; page < page_count; page++) {
+		void *s, *d = kmalloc(PAGE_SIZE, GFP_ATOMIC);
+		if (d == NULL)
+			goto unwind;
+		s = kmap_atomic(src_priv->pages[page], KM_USER0);
+		memcpy(d, s, PAGE_SIZE);
+		kunmap_atomic(s, KM_USER0);
+		dst->pages[page] = d;
+	}
+	dst->page_count = page_count;
+	dst->gtt_offset = src_priv->gtt_offset;
+
+	return dst;
+
+unwind:
+	while (page--)
+		kfree(dst->pages[page]);
+	kfree(dst);
+	return NULL;
+}
+
+static void
+i915_error_object_free(struct drm_i915_error_object *obj)
+{
+	int page;
+
+	if (obj == NULL)
+		return;
+
+	for (page = 0; page < obj->page_count; page++)
+		kfree(obj->pages[page]);
+
+	kfree(obj);
+}
+
+static void
+i915_error_state_free(struct drm_device *dev,
+		      struct drm_i915_error_state *error)
+{
+	i915_error_object_free(error->batchbuffer[0]);
+	i915_error_object_free(error->batchbuffer[1]);
+	i915_error_object_free(error->ringbuffer);
+	kfree(error->active_bo);
+	kfree(error);
+}
+
+static u32
+i915_get_bbaddr(struct drm_device *dev, u32 *ring)
+{
+	u32 cmd;
+
+	if (IS_I830(dev) || IS_845G(dev))
+		cmd = MI_BATCH_BUFFER;
+	else if (IS_I965G(dev))
+		cmd = (MI_BATCH_BUFFER_START | (2 << 6) |
+		       MI_BATCH_NON_SECURE_I965);
+	else
+		cmd = (MI_BATCH_BUFFER_START | (2 << 6));
+
+	return ring[0] == cmd ? ring[1] : 0;
+}
+
+static u32
+i915_ringbuffer_last_batch(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 head, bbaddr;
+	u32 *ring;
+
+	/* Locate the current position in the ringbuffer and walk back
+	 * to find the most recently dispatched batch buffer.
+	 */
+	bbaddr = 0;
+	head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
+	ring = (u32 *)(dev_priv->ring.virtual_start + head);
+
+	while (--ring >= (u32 *)dev_priv->ring.virtual_start) {
+		bbaddr = i915_get_bbaddr(dev, ring);
+		if (bbaddr)
+			break;
+	}
+
+	if (bbaddr == 0) {
+		ring = (u32 *)(dev_priv->ring.virtual_start + dev_priv->ring.Size);
+		while (--ring >= (u32 *)dev_priv->ring.virtual_start) {
+			bbaddr = i915_get_bbaddr(dev, ring);
+			if (bbaddr)
+				break;
+		}
+	}
+
+	return bbaddr;
+}
+
 /**
  * i915_capture_error_state - capture an error record for later analysis
  * @dev: drm device
@@ -388,19 +559,26 @@ static void i915_error_work_func(struct work_struct *work)
 static void i915_capture_error_state(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct drm_i915_gem_object *obj_priv;
 	struct drm_i915_error_state *error;
+	struct drm_gem_object *batchbuffer[2];
 	unsigned long flags;
+	u32 bbaddr;
+	int count;
 
 	spin_lock_irqsave(&dev_priv->error_lock, flags);
-	if (dev_priv->first_error)
-		goto out;
+	error = dev_priv->first_error;
+	spin_unlock_irqrestore(&dev_priv->error_lock, flags);
+	if (error)
+		return;
 
 	error = kmalloc(sizeof(*error), GFP_ATOMIC);
 	if (!error) {
-		DRM_DEBUG_DRIVER("out ot memory, not capturing error state\n");
-		goto out;
+		DRM_DEBUG_DRIVER("out of memory, not capturing error state\n");
+		return;
 	}
 
+	error->seqno = i915_get_gem_seqno(dev);
 	error->eir = I915_READ(EIR);
 	error->pgtbl_er = I915_READ(PGTBL_ER);
 	error->pipeastat = I915_READ(PIPEASTAT);
@@ -411,6 +589,7 @@ static void i915_capture_error_state(struct drm_device *dev)
 		error->ipehr = I915_READ(IPEHR);
 		error->instdone = I915_READ(INSTDONE);
 		error->acthd = I915_READ(ACTHD);
+		error->bbaddr = 0;
 	} else {
 		error->ipeir = I915_READ(IPEIR_I965);
 		error->ipehr = I915_READ(IPEHR_I965);
@@ -418,14 +597,101 @@ static void i915_capture_error_state(struct drm_device *dev)
 		error->instps = I915_READ(INSTPS);
 		error->instdone1 = I915_READ(INSTDONE1);
 		error->acthd = I915_READ(ACTHD_I965);
+		error->bbaddr = I915_READ64(BB_ADDR);
 	}
 
-	do_gettimeofday(&error->time);
+	bbaddr = i915_ringbuffer_last_batch(dev);
+
+	/* Grab the current batchbuffer, most likely to have crashed. */
+	batchbuffer[0] = NULL;
+	batchbuffer[1] = NULL;
+	count = 0;
+	list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
+		struct drm_gem_object *obj = obj_priv->obj;
+
+		if (batchbuffer[0] == NULL &&
+		    bbaddr >= obj_priv->gtt_offset &&
+		    bbaddr < obj_priv->gtt_offset + obj->size)
+			batchbuffer[0] = obj;
+
+		if (batchbuffer[1] == NULL &&
+		    error->acthd >= obj_priv->gtt_offset &&
+		    error->acthd < obj_priv->gtt_offset + obj->size &&
+		    batchbuffer[0] != obj)
+			batchbuffer[1] = obj;
+
+		count++;
+	}
 
-	dev_priv->first_error = error;
+	/* We need to copy these to an anonymous buffer as the simplest
+	 * method to avoid being overwritten by userpace.
+	 */
+	error->batchbuffer[0] = i915_error_object_create(dev, batchbuffer[0]);
+	error->batchbuffer[1] = i915_error_object_create(dev, batchbuffer[1]);
+
+	/* Record the ringbuffer */
+	error->ringbuffer = i915_error_object_create(dev, dev_priv->ring.ring_obj);
+
+	/* Record buffers on the active list. */
+	error->active_bo = NULL;
+	error->active_bo_count = 0;
+
+	if (count)
+		error->active_bo = kmalloc(sizeof(*error->active_bo)*count,
+					   GFP_ATOMIC);
+
+	if (error->active_bo) {
+		int i = 0;
+		list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
+			struct drm_gem_object *obj = obj_priv->obj;
+
+			error->active_bo[i].size = obj->size;
+			error->active_bo[i].name = obj->name;
+			error->active_bo[i].seqno = obj_priv->last_rendering_seqno;
+			error->active_bo[i].gtt_offset = obj_priv->gtt_offset;
+			error->active_bo[i].read_domains = obj->read_domains;
+			error->active_bo[i].write_domain = obj->write_domain;
+			error->active_bo[i].fence_reg = obj_priv->fence_reg;
+			error->active_bo[i].pinned = 0;
+			if (obj_priv->pin_count > 0)
+				error->active_bo[i].pinned = 1;
+			if (obj_priv->user_pin_count > 0)
+				error->active_bo[i].pinned = -1;
+			error->active_bo[i].tiling = obj_priv->tiling_mode;
+			error->active_bo[i].dirty = obj_priv->dirty;
+			error->active_bo[i].purgeable = obj_priv->madv != I915_MADV_WILLNEED;
+
+			if (++i == count)
+				break;
+		}
+		error->active_bo_count = i;
+	}
+
+	do_gettimeofday(&error->time);
 
-out:
+	spin_lock_irqsave(&dev_priv->error_lock, flags);
+	if (dev_priv->first_error == NULL) {
+		dev_priv->first_error = error;
+		error = NULL;
+	}
 	spin_unlock_irqrestore(&dev_priv->error_lock, flags);
+
+	if (error)
+		i915_error_state_free(dev, error);
+}
+
+void i915_destroy_error_state(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	struct drm_i915_error_state *error;
+
+	spin_lock(&dev_priv->error_lock);
+	error = dev_priv->first_error;
+	dev_priv->first_error = NULL;
+	spin_unlock(&dev_priv->error_lock);
+
+	if (error)
+		i915_error_state_free(dev, error);
 }
 
 /**
@@ -576,7 +842,7 @@ irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
 
 	atomic_inc(&dev_priv->irq_received);
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		return ironlake_irq_handler(dev);
 
 	iir = I915_READ(IIR);
@@ -737,7 +1003,7 @@ void i915_user_irq_get(struct drm_device *dev)
 
 	spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
 	if (dev->irq_enabled && (++dev_priv->user_irq_refcount == 1)) {
-		if (IS_IRONLAKE(dev))
+		if (HAS_PCH_SPLIT(dev))
 			ironlake_enable_graphics_irq(dev_priv, GT_USER_INTERRUPT);
 		else
 			i915_enable_irq(dev_priv, I915_USER_INTERRUPT);
@@ -753,7 +1019,7 @@ void i915_user_irq_put(struct drm_device *dev)
 	spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
 	BUG_ON(dev->irq_enabled && dev_priv->user_irq_refcount <= 0);
 	if (dev->irq_enabled && (--dev_priv->user_irq_refcount == 0)) {
-		if (IS_IRONLAKE(dev))
+		if (HAS_PCH_SPLIT(dev))
 			ironlake_disable_graphics_irq(dev_priv, GT_USER_INTERRUPT);
 		else
 			i915_disable_irq(dev_priv, I915_USER_INTERRUPT);
@@ -861,7 +1127,7 @@ int i915_enable_vblank(struct drm_device *dev, int pipe)
 		return -EINVAL;
 
 	spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		ironlake_enable_display_irq(dev_priv, (pipe == 0) ? 
 					    DE_PIPEA_VBLANK: DE_PIPEB_VBLANK);
 	else if (IS_I965G(dev))
@@ -883,7 +1149,7 @@ void i915_disable_vblank(struct drm_device *dev, int pipe)
 	unsigned long irqflags;
 
 	spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		ironlake_disable_display_irq(dev_priv, (pipe == 0) ? 
 					     DE_PIPEA_VBLANK: DE_PIPEB_VBLANK);
 	else
@@ -897,7 +1163,7 @@ void i915_enable_interrupt (struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
-	if (!IS_IRONLAKE(dev))
+	if (!HAS_PCH_SPLIT(dev))
 		opregion_enable_asle(dev);
 	dev_priv->irq_enabled = 1;
 }
@@ -973,7 +1239,11 @@ void i915_hangcheck_elapsed(unsigned long data)
 	struct drm_device *dev = (struct drm_device *)data;
 	drm_i915_private_t *dev_priv = dev->dev_private;
 	uint32_t acthd;
-       
+
+	/* No reset support on this chip yet. */
+	if (IS_GEN6(dev))
+		return;
+
 	if (!IS_I965G(dev))
 		acthd = I915_READ(ACTHD);
 	else
@@ -1064,6 +1334,13 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
 	I915_WRITE(SDEIER, dev_priv->pch_irq_enable_reg);
 	(void) I915_READ(SDEIER);
 
+	if (IS_IRONLAKE_M(dev)) {
+		/* Clear & enable PCU event interrupts */
+		I915_WRITE(DEIIR, DE_PCU_EVENT);
+		I915_WRITE(DEIER, I915_READ(DEIER) | DE_PCU_EVENT);
+		ironlake_enable_display_irq(dev_priv, DE_PCU_EVENT);
+	}
+
 	return 0;
 }
 
@@ -1076,7 +1353,7 @@ void i915_driver_irq_preinstall(struct drm_device * dev)
 	INIT_WORK(&dev_priv->hotplug_work, i915_hotplug_work_func);
 	INIT_WORK(&dev_priv->error_work, i915_error_work_func);
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		ironlake_irq_preinstall(dev);
 		return;
 	}
@@ -1108,7 +1385,7 @@ int i915_driver_irq_postinstall(struct drm_device *dev)
 
 	dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		return ironlake_irq_postinstall(dev);
 
 	/* Unmask the interrupts that we always want on. */
@@ -1196,7 +1473,7 @@ void i915_driver_irq_uninstall(struct drm_device * dev)
 
 	dev_priv->vblank_pipe = 0;
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		ironlake_irq_uninstall(dev);
 		return;
 	}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index ab1bd2d3d3b6..cbbf59f56dfa 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -53,6 +53,25 @@
 #define INTEL_GMCH_GMS_STOLEN_224M	(0xc << 4)
 #define INTEL_GMCH_GMS_STOLEN_352M	(0xd << 4)
 
+#define SNB_GMCH_CTRL	0x50
+#define SNB_GMCH_GMS_STOLEN_MASK	0xF8
+#define SNB_GMCH_GMS_STOLEN_32M		(1 << 3)
+#define SNB_GMCH_GMS_STOLEN_64M		(2 << 3)
+#define SNB_GMCH_GMS_STOLEN_96M		(3 << 3)
+#define SNB_GMCH_GMS_STOLEN_128M	(4 << 3)
+#define SNB_GMCH_GMS_STOLEN_160M	(5 << 3)
+#define SNB_GMCH_GMS_STOLEN_192M	(6 << 3)
+#define SNB_GMCH_GMS_STOLEN_224M	(7 << 3)
+#define SNB_GMCH_GMS_STOLEN_256M	(8 << 3)
+#define SNB_GMCH_GMS_STOLEN_288M	(9 << 3)
+#define SNB_GMCH_GMS_STOLEN_320M	(0xa << 3)
+#define SNB_GMCH_GMS_STOLEN_352M	(0xb << 3)
+#define SNB_GMCH_GMS_STOLEN_384M	(0xc << 3)
+#define SNB_GMCH_GMS_STOLEN_416M	(0xd << 3)
+#define SNB_GMCH_GMS_STOLEN_448M	(0xe << 3)
+#define SNB_GMCH_GMS_STOLEN_480M	(0xf << 3)
+#define SNB_GMCH_GMS_STOLEN_512M	(0x10 << 3)
+
 /* PCI config space */
 
 #define HPLLCC	0xc0 /* 855 only */
@@ -61,6 +80,7 @@
 #define   GC_CLOCK_100_200		(1 << 0)
 #define   GC_CLOCK_100_133		(2 << 0)
 #define   GC_CLOCK_166_250		(3 << 0)
+#define GCFGC2	0xda
 #define GCFGC	0xf0 /* 915+ only */
 #define   GC_LOW_FREQUENCY_ENABLE	(1 << 7)
 #define   GC_DISPLAY_CLOCK_190_200_MHZ	(0 << 4)
@@ -234,6 +254,9 @@
 #define   I965_FENCE_REG_VALID		(1<<0)
 #define   I965_FENCE_MAX_PITCH_VAL	0x0400
 
+#define FENCE_REG_SANDYBRIDGE_0		0x100000
+#define   SANDYBRIDGE_FENCE_PITCH_SHIFT	32
+
 /*
  * Instruction and interrupt control regs
  */
@@ -265,6 +288,7 @@
 #define INSTDONE1	0x0207c /* 965+ only */
 #define ACTHD_I965	0x02074
 #define HWS_PGA		0x02080
+#define HWS_PGA_GEN6	0x04080
 #define HWS_ADDRESS_MASK	0xfffff000
 #define HWS_START_ADDRESS_SHIFT	4
 #define PWRCTXA		0x2088 /* 965GM+ only */
@@ -274,6 +298,10 @@
 #define INSTDONE	0x02090
 #define NOPID		0x02094
 #define HWSTAM		0x02098
+
+#define MI_MODE		0x0209c
+# define VS_TIMER_DISPATCH				(1 << 6)
+
 #define SCPD0		0x0209c /* 915+ only */
 #define IER		0x020a0
 #define IIR		0x020a4
@@ -282,7 +310,7 @@
 #define   I915_PIPE_CONTROL_NOTIFY_INTERRUPT		(1<<18)
 #define   I915_DISPLAY_PORT_INTERRUPT			(1<<17)
 #define   I915_RENDER_COMMAND_PARSER_ERROR_INTERRUPT	(1<<15)
-#define   I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT	(1<<14)
+#define   I915_GMCH_THERMAL_SENSOR_EVENT_INTERRUPT	(1<<14) /* p-state */
 #define   I915_HWB_OOM_INTERRUPT			(1<<13)
 #define   I915_SYNC_STATUS_INTERRUPT			(1<<12)
 #define   I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT	(1<<11)
@@ -306,11 +334,14 @@
 #define   I915_ERROR_MEMORY_REFRESH			(1<<1)
 #define   I915_ERROR_INSTRUCTION			(1<<0)
 #define INSTPM	        0x020c0
+#define   INSTPM_SELF_EN (1<<12) /* 915GM only */
 #define ACTHD	        0x020c8
 #define FW_BLC		0x020d8
 #define FW_BLC2	 	0x020dc
 #define FW_BLC_SELF	0x020e0 /* 915+ only */
-#define   FW_BLC_SELF_EN (1<<15)
+#define   FW_BLC_SELF_EN_MASK      (1<<31)
+#define   FW_BLC_SELF_FIFO_MASK    (1<<16) /* 945 only */
+#define   FW_BLC_SELF_EN           (1<<15) /* 945 only */
 #define MM_BURST_LENGTH     0x00700000
 #define MM_FIFO_WATERMARK   0x0001F000
 #define LM_BURST_LENGTH     0x00000700
@@ -324,6 +355,7 @@
 #define   CM0_COLOR_EVICT_DISABLE (1<<3)
 #define   CM0_DEPTH_WRITE_DISABLE (1<<1)
 #define   CM0_RC_OP_FLUSH_DISABLE (1<<0)
+#define BB_ADDR		0x02140 /* 8 bytes */
 #define GFX_FLSH_CNTL	0x02170 /* 915+ only */
 
 
@@ -338,7 +370,7 @@
 #define   FBC_CTL_PERIODIC	(1<<30)
 #define   FBC_CTL_INTERVAL_SHIFT (16)
 #define   FBC_CTL_UNCOMPRESSIBLE (1<<14)
-#define   FBC_C3_IDLE		(1<<13)
+#define   FBC_CTL_C3_IDLE	(1<<13)
 #define   FBC_CTL_STRIDE_SHIFT	(5)
 #define   FBC_CTL_FENCENO	(1<<0)
 #define FBC_COMMAND		0x0320c
@@ -784,10 +816,144 @@
 #define CLKCFG_MEM_800					(3 << 4)
 #define CLKCFG_MEM_MASK					(7 << 4)
 
-/** GM965 GM45 render standby register */
-#define MCHBAR_RENDER_STANDBY	0x111B8
+#define CRSTANDVID		0x11100
+#define PXVFREQ_BASE		0x11110 /* P[0-15]VIDFREQ (0x1114c) (Ironlake) */
+#define   PXVFREQ_PX_MASK	0x7f000000
+#define   PXVFREQ_PX_SHIFT	24
+#define VIDFREQ_BASE		0x11110
+#define VIDFREQ1		0x11110 /* VIDFREQ1-4 (0x1111c) (Cantiga) */
+#define VIDFREQ2		0x11114
+#define VIDFREQ3		0x11118
+#define VIDFREQ4		0x1111c
+#define   VIDFREQ_P0_MASK	0x1f000000
+#define   VIDFREQ_P0_SHIFT	24
+#define   VIDFREQ_P0_CSCLK_MASK	0x00f00000
+#define   VIDFREQ_P0_CSCLK_SHIFT 20
+#define   VIDFREQ_P0_CRCLK_MASK	0x000f0000
+#define   VIDFREQ_P0_CRCLK_SHIFT 16
+#define   VIDFREQ_P1_MASK	0x00001f00
+#define   VIDFREQ_P1_SHIFT	8
+#define   VIDFREQ_P1_CSCLK_MASK	0x000000f0
+#define   VIDFREQ_P1_CSCLK_SHIFT 4
+#define   VIDFREQ_P1_CRCLK_MASK	0x0000000f
+#define INTTOEXT_BASE_ILK	0x11300
+#define INTTOEXT_BASE		0x11120 /* INTTOEXT1-8 (0x1113c) */
+#define   INTTOEXT_MAP3_SHIFT	24
+#define   INTTOEXT_MAP3_MASK	(0x1f << INTTOEXT_MAP3_SHIFT)
+#define   INTTOEXT_MAP2_SHIFT	16
+#define   INTTOEXT_MAP2_MASK	(0x1f << INTTOEXT_MAP2_SHIFT)
+#define   INTTOEXT_MAP1_SHIFT	8
+#define   INTTOEXT_MAP1_MASK	(0x1f << INTTOEXT_MAP1_SHIFT)
+#define   INTTOEXT_MAP0_SHIFT	0
+#define   INTTOEXT_MAP0_MASK	(0x1f << INTTOEXT_MAP0_SHIFT)
+#define MEMSWCTL		0x11170 /* Ironlake only */
+#define   MEMCTL_CMD_MASK	0xe000
+#define   MEMCTL_CMD_SHIFT	13
+#define   MEMCTL_CMD_RCLK_OFF	0
+#define   MEMCTL_CMD_RCLK_ON	1
+#define   MEMCTL_CMD_CHFREQ	2
+#define   MEMCTL_CMD_CHVID	3
+#define   MEMCTL_CMD_VMMOFF	4
+#define   MEMCTL_CMD_VMMON	5
+#define   MEMCTL_CMD_STS	(1<<12) /* write 1 triggers command, clears
+					   when command complete */
+#define   MEMCTL_FREQ_MASK	0x0f00 /* jitter, from 0-15 */
+#define   MEMCTL_FREQ_SHIFT	8
+#define   MEMCTL_SFCAVM		(1<<7)
+#define   MEMCTL_TGT_VID_MASK	0x007f
+#define MEMIHYST		0x1117c
+#define MEMINTREN		0x11180 /* 16 bits */
+#define   MEMINT_RSEXIT_EN	(1<<8)
+#define   MEMINT_CX_SUPR_EN	(1<<7)
+#define   MEMINT_CONT_BUSY_EN	(1<<6)
+#define   MEMINT_AVG_BUSY_EN	(1<<5)
+#define   MEMINT_EVAL_CHG_EN	(1<<4)
+#define   MEMINT_MON_IDLE_EN	(1<<3)
+#define   MEMINT_UP_EVAL_EN	(1<<2)
+#define   MEMINT_DOWN_EVAL_EN	(1<<1)
+#define   MEMINT_SW_CMD_EN	(1<<0)
+#define MEMINTRSTR		0x11182 /* 16 bits */
+#define   MEM_RSEXIT_MASK	0xc000
+#define   MEM_RSEXIT_SHIFT	14
+#define   MEM_CONT_BUSY_MASK	0x3000
+#define   MEM_CONT_BUSY_SHIFT	12
+#define   MEM_AVG_BUSY_MASK	0x0c00
+#define   MEM_AVG_BUSY_SHIFT	10
+#define   MEM_EVAL_CHG_MASK	0x0300
+#define   MEM_EVAL_BUSY_SHIFT	8
+#define   MEM_MON_IDLE_MASK	0x00c0
+#define   MEM_MON_IDLE_SHIFT	6
+#define   MEM_UP_EVAL_MASK	0x0030
+#define   MEM_UP_EVAL_SHIFT	4
+#define   MEM_DOWN_EVAL_MASK	0x000c
+#define   MEM_DOWN_EVAL_SHIFT	2
+#define   MEM_SW_CMD_MASK	0x0003
+#define   MEM_INT_STEER_GFX	0
+#define   MEM_INT_STEER_CMR	1
+#define   MEM_INT_STEER_SMI	2
+#define   MEM_INT_STEER_SCI	3
+#define MEMINTRSTS		0x11184
+#define   MEMINT_RSEXIT		(1<<7)
+#define   MEMINT_CONT_BUSY	(1<<6)
+#define   MEMINT_AVG_BUSY	(1<<5)
+#define   MEMINT_EVAL_CHG	(1<<4)
+#define   MEMINT_MON_IDLE	(1<<3)
+#define   MEMINT_UP_EVAL	(1<<2)
+#define   MEMINT_DOWN_EVAL	(1<<1)
+#define   MEMINT_SW_CMD		(1<<0)
+#define MEMMODECTL		0x11190
+#define   MEMMODE_BOOST_EN	(1<<31)
+#define   MEMMODE_BOOST_FREQ_MASK 0x0f000000 /* jitter for boost, 0-15 */
+#define   MEMMODE_BOOST_FREQ_SHIFT 24
+#define   MEMMODE_IDLE_MODE_MASK 0x00030000
+#define   MEMMODE_IDLE_MODE_SHIFT 16
+#define   MEMMODE_IDLE_MODE_EVAL 0
+#define   MEMMODE_IDLE_MODE_CONT 1
+#define   MEMMODE_HWIDLE_EN	(1<<15)
+#define   MEMMODE_SWMODE_EN	(1<<14)
+#define   MEMMODE_RCLK_GATE	(1<<13)
+#define   MEMMODE_HW_UPDATE	(1<<12)
+#define   MEMMODE_FSTART_MASK	0x00000f00 /* starting jitter, 0-15 */
+#define   MEMMODE_FSTART_SHIFT	8
+#define   MEMMODE_FMAX_MASK	0x000000f0 /* max jitter, 0-15 */
+#define   MEMMODE_FMAX_SHIFT	4
+#define   MEMMODE_FMIN_MASK	0x0000000f /* min jitter, 0-15 */
+#define RCBMAXAVG		0x1119c
+#define MEMSWCTL2		0x1119e /* Cantiga only */
+#define   SWMEMCMD_RENDER_OFF	(0 << 13)
+#define   SWMEMCMD_RENDER_ON	(1 << 13)
+#define   SWMEMCMD_SWFREQ	(2 << 13)
+#define   SWMEMCMD_TARVID	(3 << 13)
+#define   SWMEMCMD_VRM_OFF	(4 << 13)
+#define   SWMEMCMD_VRM_ON	(5 << 13)
+#define   CMDSTS		(1<<12)
+#define   SFCAVM		(1<<11)
+#define   SWFREQ_MASK		0x0380 /* P0-7 */
+#define   SWFREQ_SHIFT		7
+#define   TARVID_MASK		0x001f
+#define MEMSTAT_CTG		0x111a0
+#define RCBMINAVG		0x111a0
+#define RCUPEI			0x111b0
+#define RCDNEI			0x111b4
+#define MCHBAR_RENDER_STANDBY		0x111b8
 #define   RCX_SW_EXIT		(1<<23)
 #define   RSX_STATUS_MASK	0x00700000
+#define VIDCTL			0x111c0
+#define VIDSTS			0x111c8
+#define VIDSTART		0x111cc /* 8 bits */
+#define MEMSTAT_ILK			0x111f8
+#define   MEMSTAT_VID_MASK	0x7f00
+#define   MEMSTAT_VID_SHIFT	8
+#define   MEMSTAT_PSTATE_MASK	0x00f8
+#define   MEMSTAT_PSTATE_SHIFT  3
+#define   MEMSTAT_MON_ACTV	(1<<2)
+#define   MEMSTAT_SRC_CTL_MASK	0x0003
+#define   MEMSTAT_SRC_CTL_CORE	0
+#define   MEMSTAT_SRC_CTL_TRB	1
+#define   MEMSTAT_SRC_CTL_THM	2
+#define   MEMSTAT_SRC_CTL_STDBY 3
+#define RCPREVBSYTUPAVG		0x113b8
+#define RCPREVBSYTDNAVG		0x113bc
 #define PEG_BAND_GAP_DATA	0x14d68
 
 /*
@@ -2010,6 +2176,14 @@
 #define DISPLAY_PORT_PLL_BIOS_1         0x46010
 #define DISPLAY_PORT_PLL_BIOS_2         0x46014
 
+#define PCH_DSPCLK_GATE_D	0x42020
+# define DPFDUNIT_CLOCK_GATE_DISABLE		(1 << 7)
+# define DPARBUNIT_CLOCK_GATE_DISABLE		(1 << 5)
+
+#define PCH_3DCGDIS0		0x46020
+# define MARIUNIT_CLOCK_GATE_DISABLE		(1 << 18)
+# define SVSMUNIT_CLOCK_GATE_DISABLE		(1 << 1)
+
 #define FDI_PLL_FREQ_CTL        0x46030
 #define  FDI_PLL_FREQ_CHANGE_REQUEST    (1<<24)
 #define  FDI_PLL_FREQ_LOCK_LIMIT_MASK   0xfff00
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index a3b90c9561dc..ac0d1a73ac22 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -682,6 +682,8 @@ void i915_restore_display(struct drm_device *dev)
 		I915_WRITE(PCH_PP_OFF_DELAYS, dev_priv->savePP_OFF_DELAYS);
 		I915_WRITE(PCH_PP_DIVISOR, dev_priv->savePP_DIVISOR);
 		I915_WRITE(PCH_PP_CONTROL, dev_priv->savePP_CONTROL);
+		I915_WRITE(MCHBAR_RENDER_STANDBY,
+			   dev_priv->saveMCHBAR_RENDER_STANDBY);
 	} else {
 		I915_WRITE(PFIT_PGM_RATIOS, dev_priv->savePFIT_PGM_RATIOS);
 		I915_WRITE(BLC_PWM_CTL, dev_priv->saveBLC_PWM_CTL);
@@ -745,11 +747,16 @@ int i915_save_state(struct drm_device *dev)
 		dev_priv->saveGTIMR = I915_READ(GTIMR);
 		dev_priv->saveFDI_RXA_IMR = I915_READ(FDI_RXA_IMR);
 		dev_priv->saveFDI_RXB_IMR = I915_READ(FDI_RXB_IMR);
+		dev_priv->saveMCHBAR_RENDER_STANDBY =
+			I915_READ(MCHBAR_RENDER_STANDBY);
 	} else {
 		dev_priv->saveIER = I915_READ(IER);
 		dev_priv->saveIMR = I915_READ(IMR);
 	}
 
+	if (IS_IRONLAKE_M(dev))
+		ironlake_disable_drps(dev);
+
 	/* Cache mode state */
 	dev_priv->saveCACHE_MODE_0 = I915_READ(CACHE_MODE_0);
 
@@ -820,6 +827,9 @@ int i915_restore_state(struct drm_device *dev)
 	/* Clock gating state */
 	intel_init_clock_gating(dev);
 
+	if (IS_IRONLAKE_M(dev))
+		ironlake_enable_drps(dev);
+
 	/* Cache mode state */
 	I915_WRITE (CACHE_MODE_0, dev_priv->saveCACHE_MODE_0 | 0xffff0000);
 
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 15fbc1b5a83e..f9ba452f0cbf 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -247,6 +247,7 @@ static void
 parse_general_features(struct drm_i915_private *dev_priv,
 		       struct bdb_header *bdb)
 {
+	struct drm_device *dev = dev_priv->dev;
 	struct bdb_general_features *general;
 
 	/* Set sensible defaults in case we can't find the general block */
@@ -263,7 +264,7 @@ parse_general_features(struct drm_i915_private *dev_priv,
 			if (IS_I85X(dev_priv->dev))
 				dev_priv->lvds_ssc_freq =
 					general->ssc_freq ? 66 : 48;
-			else if (IS_IRONLAKE(dev_priv->dev))
+			else if (IS_IRONLAKE(dev_priv->dev) || IS_GEN6(dev))
 				dev_priv->lvds_ssc_freq =
 					general->ssc_freq ? 100 : 120;
 			else
@@ -416,8 +417,9 @@ parse_edp(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
 	edp = find_section(bdb, BDB_EDP);
 	if (!edp) {
 		if (SUPPORTS_EDP(dev_priv->dev) && dev_priv->edp_support) {
-			DRM_DEBUG_KMS("No eDP BDB found but eDP panel supported,\
-				       assume 18bpp panel color depth.\n");
+			DRM_DEBUG_KMS("No eDP BDB found but eDP panel "
+				      "supported, assume 18bpp panel color "
+				      "depth.\n");
 			dev_priv->edp_bpp = 18;
 		}
 		return;
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 79dd4026586f..fccf07470c8f 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -39,7 +39,7 @@ static void intel_crt_dpms(struct drm_encoder *encoder, int mode)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 temp, reg;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		reg = PCH_ADPA;
 	else
 		reg = ADPA;
@@ -113,7 +113,7 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
 	else
 		dpll_md_reg = DPLL_B_MD;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		adpa_reg = PCH_ADPA;
 	else
 		adpa_reg = ADPA;
@@ -122,7 +122,7 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
 	 * Disable separate mode multiplier used when cloning SDVO to CRT
 	 * XXX this needs to be adjusted when we really are cloning
 	 */
-	if (IS_I965G(dev) && !IS_IRONLAKE(dev)) {
+	if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev)) {
 		dpll_md = I915_READ(dpll_md_reg);
 		I915_WRITE(dpll_md_reg,
 			   dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK);
@@ -136,11 +136,11 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
 
 	if (intel_crtc->pipe == 0) {
 		adpa |= ADPA_PIPE_A_SELECT;
-		if (!IS_IRONLAKE(dev))
+		if (!HAS_PCH_SPLIT(dev))
 			I915_WRITE(BCLRPAT_A, 0);
 	} else {
 		adpa |= ADPA_PIPE_B_SELECT;
-		if (!IS_IRONLAKE(dev))
+		if (!HAS_PCH_SPLIT(dev))
 			I915_WRITE(BCLRPAT_B, 0);
 	}
 
@@ -202,7 +202,7 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector)
 	u32 hotplug_en;
 	int i, tries = 0;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		return intel_ironlake_crt_detect_hotplug(connector);
 
 	/*
@@ -524,7 +524,7 @@ void intel_crt_init(struct drm_device *dev)
 					  &intel_output->enc);
 
 	/* Set up the DDC bus. */
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		i2c_reg = PCH_GPIOA;
 	else {
 		i2c_reg = GPIOA;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index b27202d23ebc..58fc7fa0eb1d 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -232,7 +232,7 @@ struct intel_limit {
 #define G4X_P2_DISPLAY_PORT_FAST           10
 #define G4X_P2_DISPLAY_PORT_LIMIT          0
 
-/* Ironlake */
+/* Ironlake / Sandybridge */
 /* as we calculate clock using (register_value + 2) for
    N/M1/M2, so here the range value for them is (actual_value-2).
  */
@@ -690,7 +690,7 @@ static const intel_limit_t *intel_limit(struct drm_crtc *crtc)
 	struct drm_device *dev = crtc->dev;
 	const intel_limit_t *limit;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		limit = intel_ironlake_limit(crtc);
 	else if (IS_G4X(dev)) {
 		limit = intel_g4x_limit(crtc);
@@ -886,7 +886,7 @@ intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
 	if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
 		int lvds_reg;
 
-		if (IS_IRONLAKE(dev))
+		if (HAS_PCH_SPLIT(dev))
 			lvds_reg = PCH_LVDS;
 		else
 			lvds_reg = LVDS;
@@ -1032,7 +1032,7 @@ static void i8xx_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
 	/* enable it... */
 	fbc_ctl = FBC_CTL_EN | FBC_CTL_PERIODIC;
 	if (IS_I945GM(dev))
-		fbc_ctl |= FBC_C3_IDLE; /* 945 needs special SR handling */
+		fbc_ctl |= FBC_CTL_C3_IDLE; /* 945 needs special SR handling */
 	fbc_ctl |= (dev_priv->cfb_pitch & 0xff) << FBC_CTL_STRIDE_SHIFT;
 	fbc_ctl |= (interval & 0x2fff) << FBC_CTL_INTERVAL_SHIFT;
 	if (obj_priv->tiling_mode != I915_TILING_NONE)
@@ -1188,25 +1188,30 @@ static void intel_update_fbc(struct drm_crtc *crtc,
 	if (intel_fb->obj->size > dev_priv->cfb_size) {
 		DRM_DEBUG_KMS("framebuffer too large, disabling "
 				"compression\n");
+		dev_priv->no_fbc_reason = FBC_STOLEN_TOO_SMALL;
 		goto out_disable;
 	}
 	if ((mode->flags & DRM_MODE_FLAG_INTERLACE) ||
 	    (mode->flags & DRM_MODE_FLAG_DBLSCAN)) {
 		DRM_DEBUG_KMS("mode incompatible with compression, "
 				"disabling\n");
+		dev_priv->no_fbc_reason = FBC_UNSUPPORTED_MODE;
 		goto out_disable;
 	}
 	if ((mode->hdisplay > 2048) ||
 	    (mode->vdisplay > 1536)) {
 		DRM_DEBUG_KMS("mode too large for compression, disabling\n");
+		dev_priv->no_fbc_reason = FBC_MODE_TOO_LARGE;
 		goto out_disable;
 	}
 	if ((IS_I915GM(dev) || IS_I945GM(dev)) && plane != 0) {
 		DRM_DEBUG_KMS("plane not 0, disabling compression\n");
+		dev_priv->no_fbc_reason = FBC_BAD_PLANE;
 		goto out_disable;
 	}
 	if (obj_priv->tiling_mode != I915_TILING_X) {
 		DRM_DEBUG_KMS("framebuffer not tiled, disabling compression\n");
+		dev_priv->no_fbc_reason = FBC_NOT_TILED;
 		goto out_disable;
 	}
 
@@ -1366,7 +1371,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
 			dspcntr &= ~DISPPLANE_TILED;
 	}
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		/* must disable */
 		dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE;
 
@@ -1427,7 +1432,7 @@ static void i915_disable_vga (struct drm_device *dev)
 	u8 sr1;
 	u32 vga_reg;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		vga_reg = CPU_VGACNTRL;
 	else
 		vga_reg = VGACNTRL;
@@ -2111,7 +2116,7 @@ static bool intel_crtc_mode_fixup(struct drm_crtc *crtc,
 				  struct drm_display_mode *adjusted_mode)
 {
 	struct drm_device *dev = crtc->dev;
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		/* FDI link clock is fixed at 2.7G */
 		if (mode->clock * 3 > 27000 * 4)
 			return MODE_CLOCK_HIGH;
@@ -2757,11 +2762,22 @@ static void i9xx_update_wm(struct drm_device *dev, int planea_clock,
 		srwm = total_size - sr_entries;
 		if (srwm < 0)
 			srwm = 1;
-		I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN | (srwm & 0x3f));
+
+		if (IS_I945G(dev) || IS_I945GM(dev))
+			I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_FIFO_MASK | (srwm & 0xff));
+		else if (IS_I915GM(dev)) {
+			/* 915M has a smaller SRWM field */
+			I915_WRITE(FW_BLC_SELF, srwm & 0x3f);
+			I915_WRITE(INSTPM, I915_READ(INSTPM) | INSTPM_SELF_EN);
+		}
 	} else {
 		/* Turn off self refresh if both pipes are enabled */
-		I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF)
-					& ~FW_BLC_SELF_EN);
+		if (IS_I945G(dev) || IS_I945GM(dev)) {
+			I915_WRITE(FW_BLC_SELF, I915_READ(FW_BLC_SELF)
+				   & ~FW_BLC_SELF_EN);
+		} else if (IS_I915GM(dev)) {
+			I915_WRITE(INSTPM, I915_READ(INSTPM) & ~INSTPM_SELF_EN);
+		}
 	}
 
 	DRM_DEBUG_KMS("Setting FIFO watermarks - A: %d, B: %d, C: %d, SR %d\n",
@@ -2967,7 +2983,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 					refclk / 1000);
 	} else if (IS_I9XX(dev)) {
 		refclk = 96000;
-		if (IS_IRONLAKE(dev))
+		if (HAS_PCH_SPLIT(dev))
 			refclk = 120000; /* 120Mhz refclk */
 	} else {
 		refclk = 48000;
@@ -3025,7 +3041,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	}
 
 	/* FDI link */
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		int lane, link_bw, bpp;
 		/* eDP doesn't require FDI link, so just set DP M/N
 		   according to current link config */
@@ -3102,7 +3118,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	 * PCH B stepping, previous chipset stepping should be
 	 * ignoring this setting.
 	 */
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		temp = I915_READ(PCH_DREF_CONTROL);
 		/* Always enable nonspread source */
 		temp &= ~DREF_NONSPREAD_SOURCE_MASK;
@@ -3149,7 +3165,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 				reduced_clock.m2;
 	}
 
-	if (!IS_IRONLAKE(dev))
+	if (!HAS_PCH_SPLIT(dev))
 		dpll = DPLL_VGA_MODE_DIS;
 
 	if (IS_I9XX(dev)) {
@@ -3162,7 +3178,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 			sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
 			if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
 				dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
-			else if (IS_IRONLAKE(dev))
+			else if (HAS_PCH_SPLIT(dev))
 				dpll |= (sdvo_pixel_multiply - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
 		}
 		if (is_dp)
@@ -3174,7 +3190,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		else {
 			dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
 			/* also FPA1 */
-			if (IS_IRONLAKE(dev))
+			if (HAS_PCH_SPLIT(dev))
 				dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
 			if (IS_G4X(dev) && has_reduced_clock)
 				dpll |= (1 << (reduced_clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
@@ -3193,7 +3209,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 			dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14;
 			break;
 		}
-		if (IS_I965G(dev) && !IS_IRONLAKE(dev))
+		if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev))
 			dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT);
 	} else {
 		if (is_lvds) {
@@ -3227,7 +3243,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 
 	/* Ironlake's plane is forced to pipe, bit 24 is to
 	   enable color space conversion */
-	if (!IS_IRONLAKE(dev)) {
+	if (!HAS_PCH_SPLIT(dev)) {
 		if (pipe == 0)
 			dspcntr &= ~DISPPLANE_SEL_PIPE_MASK;
 		else
@@ -3254,14 +3270,14 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 
 
 	/* Disable the panel fitter if it was on our pipe */
-	if (!IS_IRONLAKE(dev) && intel_panel_fitter_pipe(dev) == pipe)
+	if (!HAS_PCH_SPLIT(dev) && intel_panel_fitter_pipe(dev) == pipe)
 		I915_WRITE(PFIT_CONTROL, 0);
 
 	DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
 	drm_mode_debug_printmodeline(mode);
 
 	/* assign to Ironlake registers */
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		fp_reg = pch_fp_reg;
 		dpll_reg = pch_dpll_reg;
 	}
@@ -3282,7 +3298,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	if (is_lvds) {
 		u32 lvds;
 
-		if (IS_IRONLAKE(dev))
+		if (HAS_PCH_SPLIT(dev))
 			lvds_reg = PCH_LVDS;
 
 		lvds = I915_READ(lvds_reg);
@@ -3304,12 +3320,12 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		/* set the dithering flag */
 		if (IS_I965G(dev)) {
 			if (dev_priv->lvds_dither) {
-				if (IS_IRONLAKE(dev))
+				if (HAS_PCH_SPLIT(dev))
 					pipeconf |= PIPE_ENABLE_DITHER;
 				else
 					lvds |= LVDS_ENABLE_DITHER;
 			} else {
-				if (IS_IRONLAKE(dev))
+				if (HAS_PCH_SPLIT(dev))
 					pipeconf &= ~PIPE_ENABLE_DITHER;
 				else
 					lvds &= ~LVDS_ENABLE_DITHER;
@@ -3328,7 +3344,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 		/* Wait for the clocks to stabilize. */
 		udelay(150);
 
-		if (IS_I965G(dev) && !IS_IRONLAKE(dev)) {
+		if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev)) {
 			if (is_sdvo) {
 				sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
 				I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) |
@@ -3375,14 +3391,14 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
 	/* pipesrc and dspsize control the size that is scaled from, which should
 	 * always be the user's requested size.
 	 */
-	if (!IS_IRONLAKE(dev)) {
+	if (!HAS_PCH_SPLIT(dev)) {
 		I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) |
 				(mode->hdisplay - 1));
 		I915_WRITE(dsppos_reg, 0);
 	}
 	I915_WRITE(pipesrc_reg, ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		I915_WRITE(data_m1_reg, TU_SIZE(m_n.tu) | m_n.gmch_m);
 		I915_WRITE(data_n1_reg, TU_SIZE(m_n.tu) | m_n.gmch_n);
 		I915_WRITE(link_m1_reg, m_n.link_m);
@@ -3438,7 +3454,7 @@ void intel_crtc_load_lut(struct drm_crtc *crtc)
 		return;
 
 	/* use legacy palette for Ironlake */
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		palreg = (intel_crtc->pipe == 0) ? LGC_PALETTE_A :
 						   LGC_PALETTE_B;
 
@@ -3553,11 +3569,10 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
 	intel_crtc->cursor_bo = bo;
 
 	return 0;
-fail:
-	mutex_lock(&dev->struct_mutex);
 fail_locked:
-	drm_gem_object_unreference(bo);
 	mutex_unlock(&dev->struct_mutex);
+fail:
+	drm_gem_object_unreference_unlocked(bo);
 	return ret;
 }
 
@@ -3922,7 +3937,7 @@ static void intel_increase_pllclock(struct drm_crtc *crtc, bool schedule)
 	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
 	int dpll = I915_READ(dpll_reg);
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		return;
 
 	if (!dev_priv->lvds_downclock_avail)
@@ -3961,7 +3976,7 @@ static void intel_decrease_pllclock(struct drm_crtc *crtc)
 	int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
 	int dpll = I915_READ(dpll_reg);
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		return;
 
 	if (!dev_priv->lvds_downclock_avail)
@@ -4011,6 +4026,11 @@ static void intel_idle_update(struct work_struct *work)
 
 	mutex_lock(&dev->struct_mutex);
 
+	if (IS_I945G(dev) || IS_I945GM(dev)) {
+		DRM_DEBUG_DRIVER("enable memory self refresh on 945\n");
+		I915_WRITE(FW_BLC_SELF, FW_BLC_SELF_EN_MASK | FW_BLC_SELF_EN);
+	}
+
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 		/* Skip inactive CRTCs */
 		if (!crtc->fb)
@@ -4044,9 +4064,17 @@ void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj)
 	if (!drm_core_check_feature(dev, DRIVER_MODESET))
 		return;
 
-	if (!dev_priv->busy)
+	if (!dev_priv->busy) {
+		if (IS_I945G(dev) || IS_I945GM(dev)) {
+			u32 fw_blc_self;
+
+			DRM_DEBUG_DRIVER("disable memory self refresh on 945\n");
+			fw_blc_self = I915_READ(FW_BLC_SELF);
+			fw_blc_self &= ~FW_BLC_SELF_EN;
+			I915_WRITE(FW_BLC_SELF, fw_blc_self | FW_BLC_SELF_EN_MASK);
+		}
 		dev_priv->busy = true;
-	else
+	} else
 		mod_timer(&dev_priv->idle_timer, jiffies +
 			  msecs_to_jiffies(GPU_IDLE_TIMEOUT));
 
@@ -4058,6 +4086,14 @@ void intel_mark_busy(struct drm_device *dev, struct drm_gem_object *obj)
 		intel_fb = to_intel_framebuffer(crtc->fb);
 		if (intel_fb->obj == obj) {
 			if (!intel_crtc->busy) {
+				if (IS_I945G(dev) || IS_I945GM(dev)) {
+					u32 fw_blc_self;
+
+					DRM_DEBUG_DRIVER("disable memory self refresh on 945\n");
+					fw_blc_self = I915_READ(FW_BLC_SELF);
+					fw_blc_self &= ~FW_BLC_SELF_EN;
+					I915_WRITE(FW_BLC_SELF, fw_blc_self | FW_BLC_SELF_EN_MASK);
+				}
 				/* Non-busy -> busy, upclock */
 				intel_increase_pllclock(crtc, true);
 				intel_crtc->busy = true;
@@ -4382,7 +4418,7 @@ static void intel_setup_outputs(struct drm_device *dev)
 	if (IS_MOBILE(dev) && !IS_I830(dev))
 		intel_lvds_init(dev);
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		int found;
 
 		if (IS_MOBILE(dev) && (I915_READ(DP_A) & DP_DETECTED))
@@ -4451,7 +4487,7 @@ static void intel_setup_outputs(struct drm_device *dev)
 			DRM_DEBUG_KMS("probing DP_D\n");
 			intel_dp_init(dev, DP_D);
 		}
-	} else if (IS_I8XX(dev))
+	} else if (IS_GEN2(dev))
 		intel_dvo_init(dev);
 
 	if (SUPPORTS_TV(dev))
@@ -4476,9 +4512,7 @@ static void intel_user_framebuffer_destroy(struct drm_framebuffer *fb)
 		intelfb_remove(dev, fb);
 
 	drm_framebuffer_cleanup(fb);
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(intel_fb->obj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(intel_fb->obj);
 
 	kfree(intel_fb);
 }
@@ -4541,9 +4575,7 @@ intel_user_framebuffer_create(struct drm_device *dev,
 
 	ret = intel_framebuffer_create(dev, mode_cmd, &fb, obj);
 	if (ret) {
-		mutex_lock(&dev->struct_mutex);
-		drm_gem_object_unreference(obj);
-		mutex_unlock(&dev->struct_mutex);
+		drm_gem_object_unreference_unlocked(obj);
 		return NULL;
 	}
 
@@ -4591,6 +4623,91 @@ err_unref:
 	return NULL;
 }
 
+void ironlake_enable_drps(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 rgvmodectl = I915_READ(MEMMODECTL), rgvswctl;
+	u8 fmax, fmin, fstart, vstart;
+	int i = 0;
+
+	/* 100ms RC evaluation intervals */
+	I915_WRITE(RCUPEI, 100000);
+	I915_WRITE(RCDNEI, 100000);
+
+	/* Set max/min thresholds to 90ms and 80ms respectively */
+	I915_WRITE(RCBMAXAVG, 90000);
+	I915_WRITE(RCBMINAVG, 80000);
+
+	I915_WRITE(MEMIHYST, 1);
+
+	/* Set up min, max, and cur for interrupt handling */
+	fmax = (rgvmodectl & MEMMODE_FMAX_MASK) >> MEMMODE_FMAX_SHIFT;
+	fmin = (rgvmodectl & MEMMODE_FMIN_MASK);
+	fstart = (rgvmodectl & MEMMODE_FSTART_MASK) >>
+		MEMMODE_FSTART_SHIFT;
+	vstart = (I915_READ(PXVFREQ_BASE + (fstart * 4)) & PXVFREQ_PX_MASK) >>
+		PXVFREQ_PX_SHIFT;
+
+	dev_priv->max_delay = fstart; /* can't go to fmax w/o IPS */
+	dev_priv->min_delay = fmin;
+	dev_priv->cur_delay = fstart;
+
+	I915_WRITE(MEMINTREN, MEMINT_CX_SUPR_EN | MEMINT_EVAL_CHG_EN);
+
+	/*
+	 * Interrupts will be enabled in ironlake_irq_postinstall
+	 */
+
+	I915_WRITE(VIDSTART, vstart);
+	POSTING_READ(VIDSTART);
+
+	rgvmodectl |= MEMMODE_SWMODE_EN;
+	I915_WRITE(MEMMODECTL, rgvmodectl);
+
+	while (I915_READ(MEMSWCTL) & MEMCTL_CMD_STS) {
+		if (i++ > 100) {
+			DRM_ERROR("stuck trying to change perf mode\n");
+			break;
+		}
+		msleep(1);
+	}
+	msleep(1);
+
+	rgvswctl = (MEMCTL_CMD_CHFREQ << MEMCTL_CMD_SHIFT) |
+		(fstart << MEMCTL_FREQ_SHIFT) | MEMCTL_SFCAVM;
+	I915_WRITE(MEMSWCTL, rgvswctl);
+	POSTING_READ(MEMSWCTL);
+
+	rgvswctl |= MEMCTL_CMD_STS;
+	I915_WRITE(MEMSWCTL, rgvswctl);
+}
+
+void ironlake_disable_drps(struct drm_device *dev)
+{
+	struct drm_i915_private *dev_priv = dev->dev_private;
+	u32 rgvswctl;
+	u8 fstart;
+
+	/* Ack interrupts, disable EFC interrupt */
+	I915_WRITE(MEMINTREN, I915_READ(MEMINTREN) & ~MEMINT_EVAL_CHG_EN);
+	I915_WRITE(MEMINTRSTS, MEMINT_EVAL_CHG);
+	I915_WRITE(DEIER, I915_READ(DEIER) & ~DE_PCU_EVENT);
+	I915_WRITE(DEIIR, DE_PCU_EVENT);
+	I915_WRITE(DEIMR, I915_READ(DEIMR) | DE_PCU_EVENT);
+
+	/* Go back to the starting frequency */
+	fstart = (I915_READ(MEMMODECTL) & MEMMODE_FSTART_MASK) >>
+		MEMMODE_FSTART_SHIFT;
+	rgvswctl = (MEMCTL_CMD_CHFREQ << MEMCTL_CMD_SHIFT) |
+		(fstart << MEMCTL_FREQ_SHIFT) | MEMCTL_SFCAVM;
+	I915_WRITE(MEMSWCTL, rgvswctl);
+	msleep(1);
+	rgvswctl |= MEMCTL_CMD_STS;
+	I915_WRITE(MEMSWCTL, rgvswctl);
+	msleep(1);
+
+}
+
 void intel_init_clock_gating(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -4599,7 +4716,21 @@ void intel_init_clock_gating(struct drm_device *dev)
 	 * Disable clock gating reported to work incorrectly according to the
 	 * specs, but enable as much else as we can.
 	 */
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
+		uint32_t dspclk_gate = VRHUNIT_CLOCK_GATE_DISABLE;
+
+		if (IS_IRONLAKE(dev)) {
+			/* Required for FBC */
+			dspclk_gate |= DPFDUNIT_CLOCK_GATE_DISABLE;
+			/* Required for CxSR */
+			dspclk_gate |= DPARBUNIT_CLOCK_GATE_DISABLE;
+
+			I915_WRITE(PCH_3DCGDIS0,
+				   MARIUNIT_CLOCK_GATE_DISABLE |
+				   SVSMUNIT_CLOCK_GATE_DISABLE);
+		}
+
+		I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate);
 		return;
 	} else if (IS_G4X(dev)) {
 		uint32_t dspclk_gate;
@@ -4672,7 +4803,7 @@ static void intel_init_display(struct drm_device *dev)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
 	/* We always want a DPMS function */
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		dev_priv->display.dpms = ironlake_crtc_dpms;
 	else
 		dev_priv->display.dpms = i9xx_crtc_dpms;
@@ -4715,7 +4846,7 @@ static void intel_init_display(struct drm_device *dev)
 			i830_get_display_clock_speed;
 
 	/* For FIFO watermark updates */
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		dev_priv->display.update_wm = NULL;
 	else if (IS_G4X(dev))
 		dev_priv->display.update_wm = g4x_update_wm;
@@ -4774,11 +4905,6 @@ void intel_modeset_init(struct drm_device *dev)
 	DRM_DEBUG_KMS("%d display pipe%s available.\n",
 		  num_pipe, num_pipe > 1 ? "s" : "");
 
-	if (IS_I85X(dev))
-		pci_read_config_word(dev->pdev, HPLLCC, &dev_priv->orig_clock);
-	else if (IS_I9XX(dev) || IS_G4X(dev))
-		pci_read_config_word(dev->pdev, GCFGC, &dev_priv->orig_clock);
-
 	for (i = 0; i < num_pipe; i++) {
 		intel_crtc_init(dev, i);
 	}
@@ -4787,6 +4913,9 @@ void intel_modeset_init(struct drm_device *dev)
 
 	intel_init_clock_gating(dev);
 
+	if (IS_IRONLAKE_M(dev))
+		ironlake_enable_drps(dev);
+
 	INIT_WORK(&dev_priv->idle_work, intel_idle_update);
 	setup_timer(&dev_priv->idle_timer, intel_gpu_idle_timer,
 		    (unsigned long)dev);
@@ -4834,6 +4963,9 @@ void intel_modeset_cleanup(struct drm_device *dev)
 		drm_gem_object_unreference(dev_priv->pwrctx);
 	}
 
+	if (IS_IRONLAKE_M(dev))
+		ironlake_disable_drps(dev);
+
 	mutex_unlock(&dev->struct_mutex);
 
 	drm_mode_config_cleanup(dev);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 439506cefc14..3ef3a0d0edd0 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -231,7 +231,7 @@ intel_dp_aux_ch(struct intel_output *intel_output,
 	 */
 	if (IS_eDP(intel_output))
 		aux_clock_divider = 225; /* eDP input clock at 450Mhz */
-	else if (IS_IRONLAKE(dev))
+	else if (HAS_PCH_SPLIT(dev))
 		aux_clock_divider = 62; /* IRL input clock fixed at 125Mhz */
 	else
 		aux_clock_divider = intel_hrawclk(dev) / 2;
@@ -584,7 +584,7 @@ intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
 	intel_dp_compute_m_n(3, lane_count,
 			     mode->clock, adjusted_mode->clock, &m_n);
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		if (intel_crtc->pipe == 0) {
 			I915_WRITE(TRANSA_DATA_M1,
 				   ((m_n.tu - 1) << PIPE_GMCH_DATA_M_TU_SIZE_SHIFT) |
@@ -1176,7 +1176,7 @@ intel_dp_detect(struct drm_connector *connector)
 
 	dp_priv->has_audio = false;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		return ironlake_dp_detect(connector);
 
 	temp = I915_READ(PORT_HOTPLUG_EN);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index a51573da1ff6..3a467ca57857 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -209,6 +209,8 @@ extern void intel_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
 extern void intel_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green,
 				    u16 *blue, int regno);
 extern void intel_init_clock_gating(struct drm_device *dev);
+extern void ironlake_enable_drps(struct drm_device *dev);
+extern void ironlake_disable_drps(struct drm_device *dev);
 
 extern int intel_framebuffer_create(struct drm_device *dev,
 				    struct drm_mode_fb_cmd *mode_cmd,
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index aaabbcbe5905..8cd791dc5b29 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -35,6 +35,7 @@
 #include <linux/delay.h>
 #include <linux/fb.h>
 #include <linux/init.h>
+#include <linux/vga_switcheroo.h>
 
 #include "drmP.h"
 #include "drm.h"
@@ -235,6 +236,7 @@ static int intelfb_create(struct drm_device *dev, uint32_t fb_width,
 			obj_priv->gtt_offset, fbo);
 
 	mutex_unlock(&dev->struct_mutex);
+	vga_switcheroo_client_fb_set(dev->pdev, info);
 	return 0;
 
 out_unpin:
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 0e268deed761..a30f8bfc1985 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -82,7 +82,7 @@ static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode)
 	/* HW workaround, need to toggle enable bit off and on for 12bpc, but
 	 * we do this anyway which shows more stable in testing.
 	 */
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		I915_WRITE(hdmi_priv->sdvox_reg, temp & ~SDVO_ENABLE);
 		POSTING_READ(hdmi_priv->sdvox_reg);
 	}
@@ -99,7 +99,7 @@ static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode)
 	/* HW workaround, need to write this twice for issue that may result
 	 * in first write getting masked.
 	 */
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		I915_WRITE(hdmi_priv->sdvox_reg, temp);
 		POSTING_READ(hdmi_priv->sdvox_reg);
 	}
diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c
index 8673c735b8ab..fcc753ca5d94 100644
--- a/drivers/gpu/drm/i915/intel_i2c.c
+++ b/drivers/gpu/drm/i915/intel_i2c.c
@@ -128,7 +128,7 @@ intel_i2c_reset_gmbus(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		I915_WRITE(PCH_GMBUS0, 0);
 	} else {
 		I915_WRITE(GMBUS0, 0);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index c2e8a45780d5..2b3fa7a3c028 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -56,7 +56,7 @@ static void intel_lvds_set_backlight(struct drm_device *dev, int level)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 blc_pwm_ctl, reg;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		reg = BLC_PWM_CPU_CTL;
 	else
 		reg = BLC_PWM_CTL;
@@ -74,7 +74,7 @@ static u32 intel_lvds_get_max_backlight(struct drm_device *dev)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 reg;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		reg = BLC_PWM_PCH_CTL2;
 	else
 		reg = BLC_PWM_CTL;
@@ -89,17 +89,22 @@ static u32 intel_lvds_get_max_backlight(struct drm_device *dev)
 static void intel_lvds_set_power(struct drm_device *dev, bool on)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
-	u32 pp_status, ctl_reg, status_reg;
+	u32 pp_status, ctl_reg, status_reg, lvds_reg;
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		ctl_reg = PCH_PP_CONTROL;
 		status_reg = PCH_PP_STATUS;
+		lvds_reg = PCH_LVDS;
 	} else {
 		ctl_reg = PP_CONTROL;
 		status_reg = PP_STATUS;
+		lvds_reg = LVDS;
 	}
 
 	if (on) {
+		I915_WRITE(lvds_reg, I915_READ(lvds_reg) | LVDS_PORT_EN);
+		POSTING_READ(lvds_reg);
+
 		I915_WRITE(ctl_reg, I915_READ(ctl_reg) |
 			   POWER_TARGET_ON);
 		do {
@@ -115,6 +120,9 @@ static void intel_lvds_set_power(struct drm_device *dev, bool on)
 		do {
 			pp_status = I915_READ(status_reg);
 		} while (pp_status & PP_ON);
+
+		I915_WRITE(lvds_reg, I915_READ(lvds_reg) & ~LVDS_PORT_EN);
+		POSTING_READ(lvds_reg);
 	}
 }
 
@@ -137,7 +145,7 @@ static void intel_lvds_save(struct drm_connector *connector)
 	u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg;
 	u32 pwm_ctl_reg;
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		pp_on_reg = PCH_PP_ON_DELAYS;
 		pp_off_reg = PCH_PP_OFF_DELAYS;
 		pp_ctl_reg = PCH_PP_CONTROL;
@@ -174,7 +182,7 @@ static void intel_lvds_restore(struct drm_connector *connector)
 	u32 pp_on_reg, pp_off_reg, pp_ctl_reg, pp_div_reg;
 	u32 pwm_ctl_reg;
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		pp_on_reg = PCH_PP_ON_DELAYS;
 		pp_off_reg = PCH_PP_OFF_DELAYS;
 		pp_ctl_reg = PCH_PP_CONTROL;
@@ -297,7 +305,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
 	}
 
 	/* full screen scale for now */
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		goto out;
 
 	/* 965+ wants fuzzy fitting */
@@ -327,7 +335,7 @@ static bool intel_lvds_mode_fixup(struct drm_encoder *encoder,
 	 * to register description and PRM.
 	 * Change the value here to see the borders for debugging
 	 */
-	if (!IS_IRONLAKE(dev)) {
+	if (!HAS_PCH_SPLIT(dev)) {
 		I915_WRITE(BCLRPAT_A, 0);
 		I915_WRITE(BCLRPAT_B, 0);
 	}
@@ -548,7 +556,7 @@ static void intel_lvds_prepare(struct drm_encoder *encoder)
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	u32 reg;
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		reg = BLC_PWM_CPU_CTL;
 	else
 		reg = BLC_PWM_CTL;
@@ -587,7 +595,7 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder,
 	 * settings.
 	 */
 
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		return;
 
 	/*
@@ -599,53 +607,6 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder,
 	I915_WRITE(PFIT_CONTROL, lvds_priv->pfit_control);
 }
 
-/* Some lid devices report incorrect lid status, assume they're connected */
-static const struct dmi_system_id bad_lid_status[] = {
-	{
-		.ident = "Compaq nx9020",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-			DMI_MATCH(DMI_BOARD_NAME, "3084"),
-		},
-	},
-	{
-		.ident = "Samsung SX20S",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Samsung Electronics"),
-			DMI_MATCH(DMI_BOARD_NAME, "SX20S"),
-		},
-	},
-	{
-		.ident = "Aspire One",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire one"),
-		},
-	},
-	{
-		.ident = "Aspire 1810T",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1810T"),
-		},
-	},
-	{
-		.ident = "PC-81005",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "MALATA"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "PC-81005"),
-		},
-	},
-	{
-		.ident = "Clevo M5x0N",
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "CLEVO Co."),
-			DMI_MATCH(DMI_BOARD_NAME, "M5x0N"),
-		},
-	},
-	{ }
-};
-
 /**
  * Detect the LVDS connection.
  *
@@ -655,10 +616,14 @@ static const struct dmi_system_id bad_lid_status[] = {
  */
 static enum drm_connector_status intel_lvds_detect(struct drm_connector *connector)
 {
+	struct drm_device *dev = connector->dev;
 	enum drm_connector_status status = connector_status_connected;
 
-	if (!dmi_check_system(bad_lid_status) && !acpi_lid_open())
-		status = connector_status_disconnected;
+	/* ACPI lid methods were generally unreliable in this generation, so
+	 * don't even bother.
+	 */
+	if (IS_GEN2(dev) || IS_GEN3(dev))
+		return connector_status_connected;
 
 	return status;
 }
@@ -1020,7 +985,7 @@ void intel_lvds_init(struct drm_device *dev)
 		return;
 	}
 
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		if ((I915_READ(PCH_LVDS) & LVDS_DETECTED) == 0)
 			return;
 		if (dev_priv->edp_support) {
@@ -1123,7 +1088,7 @@ void intel_lvds_init(struct drm_device *dev)
 	 */
 
 	/* Ironlake: FIXME if still fail, not try pipe mode now */
-	if (IS_IRONLAKE(dev))
+	if (HAS_PCH_SPLIT(dev))
 		goto failed;
 
 	lvds = I915_READ(LVDS);
@@ -1144,7 +1109,7 @@ void intel_lvds_init(struct drm_device *dev)
 		goto failed;
 
 out:
-	if (IS_IRONLAKE(dev)) {
+	if (HAS_PCH_SPLIT(dev)) {
 		u32 pwm;
 		/* make sure PWM is enabled */
 		pwm = I915_READ(BLC_PWM_CPU_CTL2);
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index 2639591c72e9..60595fc26fdd 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -172,7 +172,7 @@ struct overlay_registers {
 #define OFC_UPDATE		0x1
 
 #define OVERLAY_NONPHYSICAL(dev) (IS_G33(dev) || IS_I965G(dev))
-#define OVERLAY_EXISTS(dev) (!IS_G4X(dev) && !IS_IRONLAKE(dev))
+#define OVERLAY_EXISTS(dev) (!IS_G4X(dev) && !IS_IRONLAKE(dev) && !IS_GEN6(dev))
 
 
 static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
@@ -199,16 +199,11 @@ static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_over
 
 static void intel_overlay_unmap_regs_atomic(struct intel_overlay *overlay)
 {
-	struct drm_device *dev = overlay->dev;
-        drm_i915_private_t *dev_priv = dev->dev_private;
-
 	if (OVERLAY_NONPHYSICAL(overlay->dev))
 		io_mapping_unmap_atomic(overlay->virt_addr);
 
 	overlay->virt_addr = NULL;
 
-	I915_READ(OVADD); /* flush wc cashes */
-
 	return;
 }
 
@@ -225,9 +220,7 @@ static int intel_overlay_on(struct intel_overlay *overlay)
 	overlay->active = 1;
 	overlay->hw_wedged = NEEDS_WAIT_FOR_FLIP;
 
-	BEGIN_LP_RING(6);
-	OUT_RING(MI_FLUSH);
-	OUT_RING(MI_NOOP);
+	BEGIN_LP_RING(4);
 	OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_ON);
 	OUT_RING(overlay->flip_addr | OFC_UPDATE);
 	OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
@@ -267,9 +260,7 @@ static void intel_overlay_continue(struct intel_overlay *overlay,
 	if (tmp & (1 << 17))
 		DRM_DEBUG("overlay underrun, DOVSTA: %x\n", tmp);
 
-	BEGIN_LP_RING(4);
-	OUT_RING(MI_FLUSH);
-	OUT_RING(MI_NOOP);
+	BEGIN_LP_RING(2);
 	OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
 	OUT_RING(flip_addr);
         ADVANCE_LP_RING();
@@ -338,9 +329,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
 	/* wait for overlay to go idle */
 	overlay->hw_wedged = SWITCH_OFF_STAGE_1;
 
-	BEGIN_LP_RING(6);
-	OUT_RING(MI_FLUSH);
-	OUT_RING(MI_NOOP);
+	BEGIN_LP_RING(4);
 	OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_CONTINUE);
 	OUT_RING(flip_addr);
         OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
@@ -358,9 +347,7 @@ static int intel_overlay_off(struct intel_overlay *overlay)
 	/* turn overlay off */
 	overlay->hw_wedged = SWITCH_OFF_STAGE_2;
 
-	BEGIN_LP_RING(6);
-        OUT_RING(MI_FLUSH);
-        OUT_RING(MI_NOOP);
+	BEGIN_LP_RING(4);
         OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
 	OUT_RING(flip_addr);
         OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
@@ -435,9 +422,7 @@ int intel_overlay_recover_from_interrupt(struct intel_overlay *overlay,
 
 			overlay->hw_wedged = SWITCH_OFF_STAGE_2;
 
-			BEGIN_LP_RING(6);
-			OUT_RING(MI_FLUSH);
-			OUT_RING(MI_NOOP);
+			BEGIN_LP_RING(4);
 			OUT_RING(MI_OVERLAY_FLIP | MI_OVERLAY_OFF);
 			OUT_RING(flip_addr);
 			OUT_RING(MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP);
@@ -1083,14 +1068,18 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
 
 	drmmode_obj = drm_mode_object_find(dev, put_image_rec->crtc_id,
                         DRM_MODE_OBJECT_CRTC);
-	if (!drmmode_obj)
-		return -ENOENT;
+	if (!drmmode_obj) {
+		ret = -ENOENT;
+		goto out_free;
+	}
 	crtc = to_intel_crtc(obj_to_crtc(drmmode_obj));
 
 	new_bo = drm_gem_object_lookup(dev, file_priv,
 			put_image_rec->bo_handle);
-	if (!new_bo)
-		return -ENOENT;
+	if (!new_bo) {
+		ret = -ENOENT;
+		goto out_free;
+	}
 
 	mutex_lock(&dev->mode_config.mutex);
 	mutex_lock(&dev->struct_mutex);
@@ -1179,7 +1168,8 @@ int intel_overlay_put_image(struct drm_device *dev, void *data,
 out_unlock:
 	mutex_unlock(&dev->struct_mutex);
 	mutex_unlock(&dev->mode_config.mutex);
-	drm_gem_object_unreference(new_bo);
+	drm_gem_object_unreference_unlocked(new_bo);
+out_free:
 	kfree(params);
 
 	return ret;
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 82678d30ab06..48daee5c9c63 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -35,6 +35,7 @@
 #include "i915_drm.h"
 #include "i915_drv.h"
 #include "intel_sdvo_regs.h"
+#include <linux/dmi.h>
 
 static char *tv_format_names[] = {
 	"NTSC_M"   , "NTSC_J"  , "NTSC_443",
@@ -2283,6 +2284,25 @@ intel_sdvo_get_slave_addr(struct drm_device *dev, int output_device)
 		return 0x72;
 }
 
+static int intel_sdvo_bad_tv_callback(const struct dmi_system_id *id)
+{
+	DRM_DEBUG_KMS("Ignoring bad SDVO TV connector for %s\n", id->ident);
+	return 1;
+}
+
+static struct dmi_system_id intel_sdvo_bad_tv[] = {
+	{
+		.callback = intel_sdvo_bad_tv_callback,
+		.ident = "IntelG45/ICH10R/DME1737",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "IBM CORPORATION"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "4800784"),
+		},
+	},
+
+	{ }	/* terminating entry */
+};
+
 static bool
 intel_sdvo_output_setup(struct intel_output *intel_output, uint16_t flags)
 {
@@ -2323,7 +2343,8 @@ intel_sdvo_output_setup(struct intel_output *intel_output, uint16_t flags)
 					(1 << INTEL_SDVO_NON_TV_CLONE_BIT) |
 					(1 << INTEL_ANALOG_CLONE_BIT);
 		}
-	} else if (flags & SDVO_OUTPUT_SVID0) {
+	} else if ((flags & SDVO_OUTPUT_SVID0) &&
+		   !dmi_check_system(intel_sdvo_bad_tv)) {
 
 		sdvo_priv->controlled_output = SDVO_OUTPUT_SVID0;
 		encoder->encoder_type = DRM_MODE_ENCODER_TVDAC;
diff --git a/drivers/gpu/drm/nouveau/Makefile b/drivers/gpu/drm/nouveau/Makefile
index 48c290b5da8c..7f0d807a0d0d 100644
--- a/drivers/gpu/drm/nouveau/Makefile
+++ b/drivers/gpu/drm/nouveau/Makefile
@@ -12,11 +12,11 @@ nouveau-y := nouveau_drv.o nouveau_state.o nouveau_channel.o nouveau_mem.o \
              nouveau_dp.o nouveau_grctx.o \
              nv04_timer.o \
              nv04_mc.o nv40_mc.o nv50_mc.o \
-             nv04_fb.o nv10_fb.o nv40_fb.o \
+             nv04_fb.o nv10_fb.o nv40_fb.o nv50_fb.o \
              nv04_fifo.o nv10_fifo.o nv40_fifo.o nv50_fifo.o \
              nv04_graph.o nv10_graph.o nv20_graph.o \
              nv40_graph.o nv50_graph.o \
-             nv40_grctx.o \
+             nv40_grctx.o nv50_grctx.o \
              nv04_instmem.o nv50_instmem.o \
              nv50_crtc.o nv50_dac.o nv50_sor.o \
              nv50_cursor.o nv50_display.o nv50_fbcon.o \
diff --git a/drivers/gpu/drm/nouveau/nouveau_acpi.c b/drivers/gpu/drm/nouveau/nouveau_acpi.c
index 48227e744753..0e0730a53137 100644
--- a/drivers/gpu/drm/nouveau/nouveau_acpi.c
+++ b/drivers/gpu/drm/nouveau/nouveau_acpi.c
@@ -11,6 +11,8 @@
 #include "nouveau_drm.h"
 #include "nv50_display.h"
 
+#include <linux/vga_switcheroo.h>
+
 #define NOUVEAU_DSM_SUPPORTED 0x00
 #define NOUVEAU_DSM_SUPPORTED_FUNCTIONS 0x00
 
@@ -28,31 +30,30 @@
 #define NOUVEAU_DSM_POWER_SPEED 0x01
 #define NOUVEAU_DSM_POWER_STAMINA 0x02
 
-static int nouveau_dsm(struct drm_device *dev, int func, int arg, int *result)
-{
-	static char muid[] = {
-		0xA0, 0xA0, 0x95, 0x9D, 0x60, 0x00, 0x48, 0x4D,
-		0xB3, 0x4D, 0x7E, 0x5F, 0xEA, 0x12, 0x9F, 0xD4,
-	};
+static struct nouveau_dsm_priv {
+	bool dsm_detected;
+	acpi_handle dhandle;
+	acpi_handle dsm_handle;
+} nouveau_dsm_priv;
+
+static const char nouveau_dsm_muid[] = {
+	0xA0, 0xA0, 0x95, 0x9D, 0x60, 0x00, 0x48, 0x4D,
+	0xB3, 0x4D, 0x7E, 0x5F, 0xEA, 0x12, 0x9F, 0xD4,
+};
 
-	struct pci_dev *pdev = dev->pdev;
-	struct acpi_handle *handle;
+static int nouveau_dsm(acpi_handle handle, int func, int arg, int *result)
+{
 	struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
 	struct acpi_object_list input;
 	union acpi_object params[4];
 	union acpi_object *obj;
 	int err;
 
-	handle = DEVICE_ACPI_HANDLE(&pdev->dev);
-
-	if (!handle)
-		return -ENODEV;
-
 	input.count = 4;
 	input.pointer = params;
 	params[0].type = ACPI_TYPE_BUFFER;
-	params[0].buffer.length = sizeof(muid);
-	params[0].buffer.pointer = (char *)muid;
+	params[0].buffer.length = sizeof(nouveau_dsm_muid);
+	params[0].buffer.pointer = (char *)nouveau_dsm_muid;
 	params[1].type = ACPI_TYPE_INTEGER;
 	params[1].integer.value = 0x00000102;
 	params[2].type = ACPI_TYPE_INTEGER;
@@ -62,7 +63,7 @@ static int nouveau_dsm(struct drm_device *dev, int func, int arg, int *result)
 
 	err = acpi_evaluate_object(handle, "_DSM", &input, &output);
 	if (err) {
-		NV_INFO(dev, "failed to evaluate _DSM: %d\n", err);
+		printk(KERN_INFO "failed to evaluate _DSM: %d\n", err);
 		return err;
 	}
 
@@ -86,40 +87,119 @@ static int nouveau_dsm(struct drm_device *dev, int func, int arg, int *result)
 	return 0;
 }
 
-int nouveau_hybrid_setup(struct drm_device *dev)
+static int nouveau_dsm_switch_mux(acpi_handle handle, int mux_id)
 {
-	int result;
-
-	if (nouveau_dsm(dev, NOUVEAU_DSM_POWER, NOUVEAU_DSM_POWER_STATE,
-								&result))
-		return -ENODEV;
-
-	NV_INFO(dev, "_DSM hardware status gave 0x%x\n", result);
-
-	if (result) { /* Ensure that the external GPU is enabled */
-		nouveau_dsm(dev, NOUVEAU_DSM_LED, NOUVEAU_DSM_LED_SPEED, NULL);
-		nouveau_dsm(dev, NOUVEAU_DSM_POWER, NOUVEAU_DSM_POWER_SPEED,
-									NULL);
-	} else { /* Stamina mode - disable the external GPU */
-		nouveau_dsm(dev, NOUVEAU_DSM_LED, NOUVEAU_DSM_LED_STAMINA,
-									NULL);
-		nouveau_dsm(dev, NOUVEAU_DSM_POWER, NOUVEAU_DSM_POWER_STAMINA,
-									NULL);
-	}
+	return nouveau_dsm(handle, NOUVEAU_DSM_LED, mux_id, NULL);
+}
+
+static int nouveau_dsm_set_discrete_state(acpi_handle handle, enum vga_switcheroo_state state)
+{
+	int arg;
+	if (state == VGA_SWITCHEROO_ON)
+		arg = NOUVEAU_DSM_POWER_SPEED;
+	else
+		arg = NOUVEAU_DSM_POWER_STAMINA;
+	nouveau_dsm(handle, NOUVEAU_DSM_POWER, arg, NULL);
+	return 0;
+}
+
+static int nouveau_dsm_switchto(enum vga_switcheroo_client_id id)
+{
+	if (id == VGA_SWITCHEROO_IGD)
+		return nouveau_dsm_switch_mux(nouveau_dsm_priv.dsm_handle, NOUVEAU_DSM_LED_STAMINA);
+	else
+		return nouveau_dsm_switch_mux(nouveau_dsm_priv.dsm_handle, NOUVEAU_DSM_LED_SPEED);
+}
 
+static int nouveau_dsm_power_state(enum vga_switcheroo_client_id id,
+				   enum vga_switcheroo_state state)
+{
+	if (id == VGA_SWITCHEROO_IGD)
+		return 0;
+
+	return nouveau_dsm_set_discrete_state(nouveau_dsm_priv.dsm_handle, state);
+}
+
+static int nouveau_dsm_init(void)
+{
 	return 0;
 }
 
-bool nouveau_dsm_probe(struct drm_device *dev)
+static int nouveau_dsm_get_client_id(struct pci_dev *pdev)
 {
-	int support = 0;
+	if (nouveau_dsm_priv.dhandle == DEVICE_ACPI_HANDLE(&pdev->dev))
+		return VGA_SWITCHEROO_IGD;
+	else
+		return VGA_SWITCHEROO_DIS;
+}
+
+static struct vga_switcheroo_handler nouveau_dsm_handler = {
+	.switchto = nouveau_dsm_switchto,
+	.power_state = nouveau_dsm_power_state,
+	.init = nouveau_dsm_init,
+	.get_client_id = nouveau_dsm_get_client_id,
+};
 
-	if (nouveau_dsm(dev, NOUVEAU_DSM_SUPPORTED,
-				NOUVEAU_DSM_SUPPORTED_FUNCTIONS, &support))
+static bool nouveau_dsm_pci_probe(struct pci_dev *pdev)
+{
+	acpi_handle dhandle, nvidia_handle;
+	acpi_status status;
+	int ret;
+	uint32_t result;
+
+	dhandle = DEVICE_ACPI_HANDLE(&pdev->dev);
+	if (!dhandle)
+		return false;
+	status = acpi_get_handle(dhandle, "_DSM", &nvidia_handle);
+	if (ACPI_FAILURE(status)) {
 		return false;
+	}
 
-	if (!support)
+	ret= nouveau_dsm(nvidia_handle, NOUVEAU_DSM_SUPPORTED,
+			 NOUVEAU_DSM_SUPPORTED_FUNCTIONS, &result);
+	if (ret < 0)
 		return false;
 
+	nouveau_dsm_priv.dhandle = dhandle;
+	nouveau_dsm_priv.dsm_handle = nvidia_handle;
 	return true;
 }
+
+static bool nouveau_dsm_detect(void)
+{
+	char acpi_method_name[255] = { 0 };
+	struct acpi_buffer buffer = {sizeof(acpi_method_name), acpi_method_name};
+	struct pci_dev *pdev = NULL;
+	int has_dsm = 0;
+	int vga_count = 0;
+	while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
+		vga_count++;
+
+		has_dsm |= (nouveau_dsm_pci_probe(pdev) == true);
+	}
+
+	if (vga_count == 2 && has_dsm) {
+		acpi_get_name(nouveau_dsm_priv.dsm_handle, ACPI_FULL_PATHNAME, &buffer);
+		printk(KERN_INFO "VGA switcheroo: detected DSM switching method %s handle\n",
+		       acpi_method_name);
+		nouveau_dsm_priv.dsm_detected = true;
+		return true;
+	}
+	return false;
+}
+
+void nouveau_register_dsm_handler(void)
+{
+	bool r;
+
+	r = nouveau_dsm_detect();
+	if (!r)
+		return;
+
+	vga_switcheroo_register_handler(&nouveau_dsm_handler);
+}
+
+void nouveau_unregister_dsm_handler(void)
+{
+	vga_switcheroo_unregister_handler();
+}
diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c
index 20564f8cb0ec..406228f4a2a0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_backlight.c
+++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c
@@ -89,19 +89,21 @@ static struct backlight_ops nv50_bl_ops = {
 
 static int nouveau_nv40_backlight_init(struct drm_device *dev)
 {
+	struct backlight_properties props;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct backlight_device *bd;
 
 	if (!(nv_rd32(dev, NV40_PMC_BACKLIGHT) & NV40_PMC_BACKLIGHT_MASK))
 		return 0;
 
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 31;
 	bd = backlight_device_register("nv_backlight", &dev->pdev->dev, dev,
-				       &nv40_bl_ops);
+				       &nv40_bl_ops, &props);
 	if (IS_ERR(bd))
 		return PTR_ERR(bd);
 
 	dev_priv->backlight = bd;
-	bd->props.max_brightness = 31;
 	bd->props.brightness = nv40_get_intensity(bd);
 	backlight_update_status(bd);
 
@@ -110,19 +112,21 @@ static int nouveau_nv40_backlight_init(struct drm_device *dev)
 
 static int nouveau_nv50_backlight_init(struct drm_device *dev)
 {
+	struct backlight_properties props;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct backlight_device *bd;
 
 	if (!nv_rd32(dev, NV50_PDISPLAY_SOR_BACKLIGHT))
 		return 0;
 
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 1025;
 	bd = backlight_device_register("nv_backlight", &dev->pdev->dev, dev,
-				       &nv50_bl_ops);
+				       &nv50_bl_ops, &props);
 	if (IS_ERR(bd))
 		return PTR_ERR(bd);
 
 	dev_priv->backlight = bd;
-	bd->props.max_brightness = 1025;
 	bd->props.brightness = nv50_get_intensity(bd);
 	backlight_update_status(bd);
 	return 0;
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 0e9cd1d49130..b5a9336a2e88 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -311,11 +311,11 @@ valid_reg(struct nvbios *bios, uint32_t reg)
 
 	/* C51 has misaligned regs on purpose. Marvellous */
 	if (reg & 0x2 ||
-	    (reg & 0x1 && dev_priv->VBIOS.pub.chip_version != 0x51))
+	    (reg & 0x1 && dev_priv->vbios.chip_version != 0x51))
 		NV_ERROR(dev, "======= misaligned reg 0x%08X =======\n", reg);
 
 	/* warn on C51 regs that haven't been verified accessible in tracing */
-	if (reg & 0x1 && dev_priv->VBIOS.pub.chip_version == 0x51 &&
+	if (reg & 0x1 && dev_priv->vbios.chip_version == 0x51 &&
 	    reg != 0x130d && reg != 0x1311 && reg != 0x60081d)
 		NV_WARN(dev, "=== C51 misaligned reg 0x%08X not verified ===\n",
 			reg);
@@ -420,7 +420,7 @@ bios_wr32(struct nvbios *bios, uint32_t reg, uint32_t data)
 	LOG_OLD_VALUE(bios_rd32(bios, reg));
 	BIOSLOG(bios, "	Write: Reg: 0x%08X, Data: 0x%08X\n", reg, data);
 
-	if (dev_priv->VBIOS.execute) {
+	if (dev_priv->vbios.execute) {
 		still_alive();
 		nv_wr32(bios->dev, reg, data);
 	}
@@ -647,7 +647,7 @@ nv50_pll_set(struct drm_device *dev, uint32_t reg, uint32_t clk)
 	reg0 = (reg0 & 0xfff8ffff) | (pll.log2P << 16);
 	reg1 = (reg1 & 0xffff0000) | (pll.N1 << 8) | pll.M1;
 
-	if (dev_priv->VBIOS.execute) {
+	if (dev_priv->vbios.execute) {
 		still_alive();
 		nv_wr32(dev, reg + 4, reg1);
 		nv_wr32(dev, reg + 0, reg0);
@@ -689,7 +689,7 @@ setPLL(struct nvbios *bios, uint32_t reg, uint32_t clk)
 static int dcb_entry_idx_from_crtchead(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 
 	/*
 	 * For the results of this function to be correct, CR44 must have been
@@ -700,7 +700,7 @@ static int dcb_entry_idx_from_crtchead(struct drm_device *dev)
 
 	uint8_t dcb_entry = NVReadVgaCrtc5758(dev, bios->state.crtchead, 0);
 
-	if (dcb_entry > bios->bdcb.dcb.entries) {
+	if (dcb_entry > bios->dcb.entries) {
 		NV_ERROR(dev, "CR58 doesn't have a valid DCB entry currently "
 				"(%02X)\n", dcb_entry);
 		dcb_entry = 0x7f;	/* unused / invalid marker */
@@ -713,25 +713,26 @@ static struct nouveau_i2c_chan *
 init_i2c_device_find(struct drm_device *dev, int i2c_index)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct bios_parsed_dcb *bdcb = &dev_priv->VBIOS.bdcb;
+	struct dcb_table *dcb = &dev_priv->vbios.dcb;
 
 	if (i2c_index == 0xff) {
 		/* note: dcb_entry_idx_from_crtchead needs pre-script set-up */
 		int idx = dcb_entry_idx_from_crtchead(dev), shift = 0;
-		int default_indices = bdcb->i2c_default_indices;
+		int default_indices = dcb->i2c_default_indices;
 
-		if (idx != 0x7f && bdcb->dcb.entry[idx].i2c_upper_default)
+		if (idx != 0x7f && dcb->entry[idx].i2c_upper_default)
 			shift = 4;
 
 		i2c_index = (default_indices >> shift) & 0xf;
 	}
 	if (i2c_index == 0x80)	/* g80+ */
-		i2c_index = bdcb->i2c_default_indices & 0xf;
+		i2c_index = dcb->i2c_default_indices & 0xf;
 
 	return nouveau_i2c_find(dev, i2c_index);
 }
 
-static uint32_t get_tmds_index_reg(struct drm_device *dev, uint8_t mlv)
+static uint32_t
+get_tmds_index_reg(struct drm_device *dev, uint8_t mlv)
 {
 	/*
 	 * For mlv < 0x80, it is an index into a table of TMDS base addresses.
@@ -744,6 +745,7 @@ static uint32_t get_tmds_index_reg(struct drm_device *dev, uint8_t mlv)
 	 */
 
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	struct nvbios *bios = &dev_priv->vbios;
 	const int pramdac_offset[13] = {
 		0, 0, 0x8, 0, 0x2000, 0, 0, 0, 0x2008, 0, 0, 0, 0x2000 };
 	const uint32_t pramdac_table[4] = {
@@ -756,13 +758,12 @@ static uint32_t get_tmds_index_reg(struct drm_device *dev, uint8_t mlv)
 		dcb_entry = dcb_entry_idx_from_crtchead(dev);
 		if (dcb_entry == 0x7f)
 			return 0;
-		dacoffset = pramdac_offset[
-				dev_priv->VBIOS.bdcb.dcb.entry[dcb_entry].or];
+		dacoffset = pramdac_offset[bios->dcb.entry[dcb_entry].or];
 		if (mlv == 0x81)
 			dacoffset ^= 8;
 		return 0x6808b0 + dacoffset;
 	} else {
-		if (mlv > ARRAY_SIZE(pramdac_table)) {
+		if (mlv >= ARRAY_SIZE(pramdac_table)) {
 			NV_ERROR(dev, "Magic Lookup Value too big (%02X)\n",
 									mlv);
 			return 0;
@@ -2574,19 +2575,19 @@ init_gpio(struct nvbios *bios, uint16_t offset, struct init_exec *iexec)
 
 	const uint32_t nv50_gpio_reg[4] = { 0xe104, 0xe108, 0xe280, 0xe284 };
 	const uint32_t nv50_gpio_ctl[2] = { 0xe100, 0xe28c };
-	const uint8_t *gpio_table = &bios->data[bios->bdcb.gpio_table_ptr];
+	const uint8_t *gpio_table = &bios->data[bios->dcb.gpio_table_ptr];
 	const uint8_t *gpio_entry;
 	int i;
 
 	if (!iexec->execute)
 		return 1;
 
-	if (bios->bdcb.version != 0x40) {
+	if (bios->dcb.version != 0x40) {
 		NV_ERROR(bios->dev, "DCB table not version 4.0\n");
 		return 0;
 	}
 
-	if (!bios->bdcb.gpio_table_ptr) {
+	if (!bios->dcb.gpio_table_ptr) {
 		NV_WARN(bios->dev, "Invalid pointer to INIT_8E table\n");
 		return 0;
 	}
@@ -3123,7 +3124,7 @@ run_digital_op_script(struct drm_device *dev, uint16_t scriptptr,
 		      struct dcb_entry *dcbent, int head, bool dl)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	struct init_exec iexec = {true, false};
 
 	NV_TRACE(dev, "0x%04X: Parsing digital output script table\n",
@@ -3140,7 +3141,7 @@ run_digital_op_script(struct drm_device *dev, uint16_t scriptptr,
 static int call_lvds_manufacturer_script(struct drm_device *dev, struct dcb_entry *dcbent, int head, enum LVDS_script script)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	uint8_t sub = bios->data[bios->fp.xlated_entry + script] + (bios->fp.link_c_increment && dcbent->or & OUTPUT_C ? 1 : 0);
 	uint16_t scriptofs = ROM16(bios->data[bios->init_script_tbls_ptr + sub * 2]);
 
@@ -3194,7 +3195,7 @@ static int run_lvds_table(struct drm_device *dev, struct dcb_entry *dcbent, int
 	 * of a list of pxclks and script pointers.
 	 */
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	unsigned int outputset = (dcbent->or == 4) ? 1 : 0;
 	uint16_t scriptptr = 0, clktable;
 	uint8_t clktableptr = 0;
@@ -3261,7 +3262,7 @@ int call_lvds_script(struct drm_device *dev, struct dcb_entry *dcbent, int head,
 	 */
 
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	uint8_t lvds_ver = bios->data[bios->fp.lvdsmanufacturerpointer];
 	uint32_t sel_clk_binding, sel_clk;
 	int ret;
@@ -3395,7 +3396,7 @@ static int parse_fp_mode_table(struct drm_device *dev, struct nvbios *bios)
 #ifndef __powerpc__
 		NV_ERROR(dev, "Pointer to flat panel table invalid\n");
 #endif
-		bios->pub.digital_min_front_porch = 0x4b;
+		bios->digital_min_front_porch = 0x4b;
 		return 0;
 	}
 
@@ -3428,7 +3429,7 @@ static int parse_fp_mode_table(struct drm_device *dev, struct nvbios *bios)
 		 * fptable[4] is the minimum
 		 * RAMDAC_FP_HCRTC -> RAMDAC_FP_HSYNC_START gap
 		 */
-		bios->pub.digital_min_front_porch = fptable[4];
+		bios->digital_min_front_porch = fptable[4];
 		ofs = -7;
 		break;
 	default:
@@ -3467,7 +3468,7 @@ static int parse_fp_mode_table(struct drm_device *dev, struct nvbios *bios)
 
 	/* nv4x cards need both a strap value and fpindex of 0xf to use DDC */
 	if (lth.lvds_ver > 0x10)
-		bios->pub.fp_no_ddc = fpstrapping != 0xf || fpindex != 0xf;
+		bios->fp_no_ddc = fpstrapping != 0xf || fpindex != 0xf;
 
 	/*
 	 * If either the strap or xlated fpindex value are 0xf there is no
@@ -3491,7 +3492,7 @@ static int parse_fp_mode_table(struct drm_device *dev, struct nvbios *bios)
 bool nouveau_bios_fp_mode(struct drm_device *dev, struct drm_display_mode *mode)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	uint8_t *mode_entry = &bios->data[bios->fp.mode_ptr];
 
 	if (!mode)	/* just checking whether we can produce a mode */
@@ -3544,7 +3545,7 @@ int nouveau_bios_parse_lvds_table(struct drm_device *dev, int pxclk, bool *dl, b
 	 * at which modes should be set up in the dual link style.
 	 *
 	 * Following the header, the BMP (ver 0xa) table has several records,
-	 * indexed by a seperate xlat table, indexed in turn by the fp strap in
+	 * indexed by a separate xlat table, indexed in turn by the fp strap in
 	 * EXTDEV_BOOT. Each record had a config byte, followed by 6 script
 	 * numbers for use by INIT_SUB which controlled panel init and power,
 	 * and finally a dword of ms to sleep between power off and on
@@ -3562,11 +3563,11 @@ int nouveau_bios_parse_lvds_table(struct drm_device *dev, int pxclk, bool *dl, b
 	 * until later, when this function should be called with non-zero pxclk
 	 */
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	int fpstrapping = get_fp_strap(dev, bios), lvdsmanufacturerindex = 0;
 	struct lvdstableheader lth;
 	uint16_t lvdsofs;
-	int ret, chip_version = bios->pub.chip_version;
+	int ret, chip_version = bios->chip_version;
 
 	ret = parse_lvds_manufacturer_table_header(dev, bios, &lth);
 	if (ret)
@@ -3682,7 +3683,7 @@ bios_output_config_match(struct drm_device *dev, struct dcb_entry *dcbent,
 			 uint16_t record, int record_len, int record_nr)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	uint32_t entry;
 	uint16_t table;
 	int i, v;
@@ -3716,7 +3717,7 @@ nouveau_bios_dp_table(struct drm_device *dev, struct dcb_entry *dcbent,
 		      int *length)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	uint8_t *table;
 
 	if (!bios->display.dp_table_ptr) {
@@ -3725,7 +3726,7 @@ nouveau_bios_dp_table(struct drm_device *dev, struct dcb_entry *dcbent,
 	}
 	table = &bios->data[bios->display.dp_table_ptr];
 
-	if (table[0] != 0x21) {
+	if (table[0] != 0x20 && table[0] != 0x21) {
 		NV_ERROR(dev, "DisplayPort table version 0x%02x unknown\n",
 			 table[0]);
 		return NULL;
@@ -3765,7 +3766,7 @@ nouveau_bios_run_display_table(struct drm_device *dev, struct dcb_entry *dcbent,
 	 */
 
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	uint8_t *table = &bios->data[bios->display.script_table_ptr];
 	uint8_t *otable = NULL;
 	uint16_t script;
@@ -3918,8 +3919,8 @@ int run_tmds_table(struct drm_device *dev, struct dcb_entry *dcbent, int head, i
 	 */
 
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
-	int cv = bios->pub.chip_version;
+	struct nvbios *bios = &dev_priv->vbios;
+	int cv = bios->chip_version;
 	uint16_t clktable = 0, scriptptr;
 	uint32_t sel_clk_binding, sel_clk;
 
@@ -3978,8 +3979,8 @@ int get_pll_limits(struct drm_device *dev, uint32_t limit_match, struct pll_lims
 	 */
 
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
-	int cv = bios->pub.chip_version, pllindex = 0;
+	struct nvbios *bios = &dev_priv->vbios;
+	int cv = bios->chip_version, pllindex = 0;
 	uint8_t pll_lim_ver = 0, headerlen = 0, recordlen = 0, entries = 0;
 	uint32_t crystal_strap_mask, crystal_straps;
 
@@ -4332,7 +4333,7 @@ static void parse_bios_version(struct drm_device *dev, struct nvbios *bios, uint
 	 */
 
 	bios->major_version = bios->data[offset + 3];
-	bios->pub.chip_version = bios->data[offset + 2];
+	bios->chip_version = bios->data[offset + 2];
 	NV_TRACE(dev, "Bios version %02x.%02x.%02x.%02x\n",
 		 bios->data[offset + 3], bios->data[offset + 2],
 		 bios->data[offset + 1], bios->data[offset]);
@@ -4402,7 +4403,7 @@ static int parse_bit_A_tbl_entry(struct drm_device *dev, struct nvbios *bios, st
 	}
 
 	/* First entry is normal dac, 2nd tv-out perhaps? */
-	bios->pub.dactestval = ROM32(bios->data[load_table_ptr + headerlen]) & 0x3ff;
+	bios->dactestval = ROM32(bios->data[load_table_ptr + headerlen]) & 0x3ff;
 
 	return 0;
 }
@@ -4526,8 +4527,8 @@ static int parse_bit_i_tbl_entry(struct drm_device *dev, struct nvbios *bios, st
 		return -ENOSYS;
 	}
 
-	bios->pub.dactestval = ROM32(bios->data[daccmpoffset + dacheaderlen]);
-	bios->pub.tvdactestval = ROM32(bios->data[daccmpoffset + dacheaderlen + 4]);
+	bios->dactestval = ROM32(bios->data[daccmpoffset + dacheaderlen]);
+	bios->tvdactestval = ROM32(bios->data[daccmpoffset + dacheaderlen + 4]);
 
 	return 0;
 }
@@ -4796,11 +4797,11 @@ static int parse_bmp_structure(struct drm_device *dev, struct nvbios *bios, unsi
 	uint16_t legacy_scripts_offset, legacy_i2c_offset;
 
 	/* load needed defaults in case we can't parse this info */
-	bios->bdcb.dcb.i2c[0].write = NV_CIO_CRE_DDC_WR__INDEX;
-	bios->bdcb.dcb.i2c[0].read = NV_CIO_CRE_DDC_STATUS__INDEX;
-	bios->bdcb.dcb.i2c[1].write = NV_CIO_CRE_DDC0_WR__INDEX;
-	bios->bdcb.dcb.i2c[1].read = NV_CIO_CRE_DDC0_STATUS__INDEX;
-	bios->pub.digital_min_front_porch = 0x4b;
+	bios->dcb.i2c[0].write = NV_CIO_CRE_DDC_WR__INDEX;
+	bios->dcb.i2c[0].read = NV_CIO_CRE_DDC_STATUS__INDEX;
+	bios->dcb.i2c[1].write = NV_CIO_CRE_DDC0_WR__INDEX;
+	bios->dcb.i2c[1].read = NV_CIO_CRE_DDC0_STATUS__INDEX;
+	bios->digital_min_front_porch = 0x4b;
 	bios->fmaxvco = 256000;
 	bios->fminvco = 128000;
 	bios->fp.duallink_transition_clk = 90000;
@@ -4907,10 +4908,10 @@ static int parse_bmp_structure(struct drm_device *dev, struct nvbios *bios, unsi
 	bios->legacy.i2c_indices.crt = bios->data[legacy_i2c_offset];
 	bios->legacy.i2c_indices.tv = bios->data[legacy_i2c_offset + 1];
 	bios->legacy.i2c_indices.panel = bios->data[legacy_i2c_offset + 2];
-	bios->bdcb.dcb.i2c[0].write = bios->data[legacy_i2c_offset + 4];
-	bios->bdcb.dcb.i2c[0].read = bios->data[legacy_i2c_offset + 5];
-	bios->bdcb.dcb.i2c[1].write = bios->data[legacy_i2c_offset + 6];
-	bios->bdcb.dcb.i2c[1].read = bios->data[legacy_i2c_offset + 7];
+	bios->dcb.i2c[0].write = bios->data[legacy_i2c_offset + 4];
+	bios->dcb.i2c[0].read = bios->data[legacy_i2c_offset + 5];
+	bios->dcb.i2c[1].write = bios->data[legacy_i2c_offset + 6];
+	bios->dcb.i2c[1].read = bios->data[legacy_i2c_offset + 7];
 
 	if (bmplength > 74) {
 		bios->fmaxvco = ROM32(bmp[67]);
@@ -4984,7 +4985,8 @@ read_dcb_i2c_entry(struct drm_device *dev, int dcb_version, uint8_t *i2ctable, i
 		else
 			NV_WARN(dev,
 				"DCB I2C table has more entries than indexable "
-				"(%d entries, max index 15)\n", i2ctable[2]);
+				"(%d entries, max %d)\n", i2ctable[2],
+				DCB_MAX_NUM_I2C_ENTRIES);
 		entry_len = i2ctable[3];
 		/* [4] is i2c_default_indices, read in parse_dcb_table() */
 	}
@@ -5000,8 +5002,8 @@ read_dcb_i2c_entry(struct drm_device *dev, int dcb_version, uint8_t *i2ctable, i
 
 	if (index == 0xf)
 		return 0;
-	if (index > i2c_entries) {
-		NV_ERROR(dev, "DCB I2C index too big (%d > %d)\n",
+	if (index >= i2c_entries) {
+		NV_ERROR(dev, "DCB I2C index too big (%d >= %d)\n",
 			 index, i2ctable[2]);
 		return -ENOENT;
 	}
@@ -5036,7 +5038,7 @@ read_dcb_i2c_entry(struct drm_device *dev, int dcb_version, uint8_t *i2ctable, i
 static struct dcb_gpio_entry *
 new_gpio_entry(struct nvbios *bios)
 {
-	struct parsed_dcb_gpio *gpio = &bios->bdcb.gpio;
+	struct dcb_gpio_table *gpio = &bios->dcb.gpio;
 
 	return &gpio->entry[gpio->entries++];
 }
@@ -5045,14 +5047,14 @@ struct dcb_gpio_entry *
 nouveau_bios_gpio_entry(struct drm_device *dev, enum dcb_gpio_tag tag)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	int i;
 
-	for (i = 0; i < bios->bdcb.gpio.entries; i++) {
-		if (bios->bdcb.gpio.entry[i].tag != tag)
+	for (i = 0; i < bios->dcb.gpio.entries; i++) {
+		if (bios->dcb.gpio.entry[i].tag != tag)
 			continue;
 
-		return &bios->bdcb.gpio.entry[i];
+		return &bios->dcb.gpio.entry[i];
 	}
 
 	return NULL;
@@ -5100,7 +5102,7 @@ static void
 parse_dcb_gpio_table(struct nvbios *bios)
 {
 	struct drm_device *dev = bios->dev;
-	uint16_t gpio_table_ptr = bios->bdcb.gpio_table_ptr;
+	uint16_t gpio_table_ptr = bios->dcb.gpio_table_ptr;
 	uint8_t *gpio_table = &bios->data[gpio_table_ptr];
 	int header_len = gpio_table[1],
 	    entries = gpio_table[2],
@@ -5108,7 +5110,7 @@ parse_dcb_gpio_table(struct nvbios *bios)
 	void (*parse_entry)(struct nvbios *, uint16_t) = NULL;
 	int i;
 
-	if (bios->bdcb.version >= 0x40) {
+	if (bios->dcb.version >= 0x40) {
 		if (gpio_table_ptr && entry_len != 4) {
 			NV_WARN(dev, "Invalid DCB GPIO table entry length.\n");
 			return;
@@ -5116,7 +5118,7 @@ parse_dcb_gpio_table(struct nvbios *bios)
 
 		parse_entry = parse_dcb40_gpio_entry;
 
-	} else if (bios->bdcb.version >= 0x30) {
+	} else if (bios->dcb.version >= 0x30) {
 		if (gpio_table_ptr && entry_len != 2) {
 			NV_WARN(dev, "Invalid DCB GPIO table entry length.\n");
 			return;
@@ -5124,7 +5126,7 @@ parse_dcb_gpio_table(struct nvbios *bios)
 
 		parse_entry = parse_dcb30_gpio_entry;
 
-	} else if (bios->bdcb.version >= 0x22) {
+	} else if (bios->dcb.version >= 0x22) {
 		/*
 		 * DCBs older than v3.0 don't really have a GPIO
 		 * table, instead they keep some GPIO info at fixed
@@ -5158,30 +5160,82 @@ struct dcb_connector_table_entry *
 nouveau_bios_connector_entry(struct drm_device *dev, int index)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	struct dcb_connector_table_entry *cte;
 
-	if (index >= bios->bdcb.connector.entries)
+	if (index >= bios->dcb.connector.entries)
 		return NULL;
 
-	cte = &bios->bdcb.connector.entry[index];
+	cte = &bios->dcb.connector.entry[index];
 	if (cte->type == 0xff)
 		return NULL;
 
 	return cte;
 }
 
+static enum dcb_connector_type
+divine_connector_type(struct nvbios *bios, int index)
+{
+	struct dcb_table *dcb = &bios->dcb;
+	unsigned encoders = 0, type = DCB_CONNECTOR_NONE;
+	int i;
+
+	for (i = 0; i < dcb->entries; i++) {
+		if (dcb->entry[i].connector == index)
+			encoders |= (1 << dcb->entry[i].type);
+	}
+
+	if (encoders & (1 << OUTPUT_DP)) {
+		if (encoders & (1 << OUTPUT_TMDS))
+			type = DCB_CONNECTOR_DP;
+		else
+			type = DCB_CONNECTOR_eDP;
+	} else
+	if (encoders & (1 << OUTPUT_TMDS)) {
+		if (encoders & (1 << OUTPUT_ANALOG))
+			type = DCB_CONNECTOR_DVI_I;
+		else
+			type = DCB_CONNECTOR_DVI_D;
+	} else
+	if (encoders & (1 << OUTPUT_ANALOG)) {
+		type = DCB_CONNECTOR_VGA;
+	} else
+	if (encoders & (1 << OUTPUT_LVDS)) {
+		type = DCB_CONNECTOR_LVDS;
+	} else
+	if (encoders & (1 << OUTPUT_TV)) {
+		type = DCB_CONNECTOR_TV_0;
+	}
+
+	return type;
+}
+
+static void
+apply_dcb_connector_quirks(struct nvbios *bios, int idx)
+{
+	struct dcb_connector_table_entry *cte = &bios->dcb.connector.entry[idx];
+	struct drm_device *dev = bios->dev;
+
+	/* Gigabyte NX85T */
+	if ((dev->pdev->device == 0x0421) &&
+	    (dev->pdev->subsystem_vendor == 0x1458) &&
+	    (dev->pdev->subsystem_device == 0x344c)) {
+		if (cte->type == DCB_CONNECTOR_HDMI_1)
+			cte->type = DCB_CONNECTOR_DVI_I;
+	}
+}
+
 static void
 parse_dcb_connector_table(struct nvbios *bios)
 {
 	struct drm_device *dev = bios->dev;
-	struct dcb_connector_table *ct = &bios->bdcb.connector;
+	struct dcb_connector_table *ct = &bios->dcb.connector;
 	struct dcb_connector_table_entry *cte;
-	uint8_t *conntab = &bios->data[bios->bdcb.connector_table_ptr];
+	uint8_t *conntab = &bios->data[bios->dcb.connector_table_ptr];
 	uint8_t *entry;
 	int i;
 
-	if (!bios->bdcb.connector_table_ptr) {
+	if (!bios->dcb.connector_table_ptr) {
 		NV_DEBUG_KMS(dev, "No DCB connector table present\n");
 		return;
 	}
@@ -5199,12 +5253,14 @@ parse_dcb_connector_table(struct nvbios *bios)
 	entry = conntab + conntab[1];
 	cte = &ct->entry[0];
 	for (i = 0; i < conntab[2]; i++, entry += conntab[3], cte++) {
+		cte->index = i;
 		if (conntab[3] == 2)
 			cte->entry = ROM16(entry[0]);
 		else
 			cte->entry = ROM32(entry[0]);
+
 		cte->type  = (cte->entry & 0x000000ff) >> 0;
-		cte->index = (cte->entry & 0x00000f00) >> 8;
+		cte->index2 = (cte->entry & 0x00000f00) >> 8;
 		switch (cte->entry & 0x00033000) {
 		case 0x00001000:
 			cte->gpio_tag = 0x07;
@@ -5226,12 +5282,43 @@ parse_dcb_connector_table(struct nvbios *bios)
 		if (cte->type == 0xff)
 			continue;
 
+		apply_dcb_connector_quirks(bios, i);
+
 		NV_INFO(dev, "  %d: 0x%08x: type 0x%02x idx %d tag 0x%02x\n",
 			i, cte->entry, cte->type, cte->index, cte->gpio_tag);
+
+		/* check for known types, fallback to guessing the type
+		 * from attached encoders if we hit an unknown.
+		 */
+		switch (cte->type) {
+		case DCB_CONNECTOR_VGA:
+		case DCB_CONNECTOR_TV_0:
+		case DCB_CONNECTOR_TV_1:
+		case DCB_CONNECTOR_TV_3:
+		case DCB_CONNECTOR_DVI_I:
+		case DCB_CONNECTOR_DVI_D:
+		case DCB_CONNECTOR_LVDS:
+		case DCB_CONNECTOR_DP:
+		case DCB_CONNECTOR_eDP:
+		case DCB_CONNECTOR_HDMI_0:
+		case DCB_CONNECTOR_HDMI_1:
+			break;
+		default:
+			cte->type = divine_connector_type(bios, cte->index);
+			NV_WARN(dev, "unknown type, using 0x%02x\n", cte->type);
+			break;
+		}
+
+		if (nouveau_override_conntype) {
+			int type = divine_connector_type(bios, cte->index);
+			if (type != cte->type)
+				NV_WARN(dev, " -> type 0x%02x\n", cte->type);
+		}
+
 	}
 }
 
-static struct dcb_entry *new_dcb_entry(struct parsed_dcb *dcb)
+static struct dcb_entry *new_dcb_entry(struct dcb_table *dcb)
 {
 	struct dcb_entry *entry = &dcb->entry[dcb->entries];
 
@@ -5241,7 +5328,7 @@ static struct dcb_entry *new_dcb_entry(struct parsed_dcb *dcb)
 	return entry;
 }
 
-static void fabricate_vga_output(struct parsed_dcb *dcb, int i2c, int heads)
+static void fabricate_vga_output(struct dcb_table *dcb, int i2c, int heads)
 {
 	struct dcb_entry *entry = new_dcb_entry(dcb);
 
@@ -5252,7 +5339,7 @@ static void fabricate_vga_output(struct parsed_dcb *dcb, int i2c, int heads)
 	/* "or" mostly unused in early gen crt modesetting, 0 is fine */
 }
 
-static void fabricate_dvi_i_output(struct parsed_dcb *dcb, bool twoHeads)
+static void fabricate_dvi_i_output(struct dcb_table *dcb, bool twoHeads)
 {
 	struct dcb_entry *entry = new_dcb_entry(dcb);
 
@@ -5279,7 +5366,7 @@ static void fabricate_dvi_i_output(struct parsed_dcb *dcb, bool twoHeads)
 #endif
 }
 
-static void fabricate_tv_output(struct parsed_dcb *dcb, bool twoHeads)
+static void fabricate_tv_output(struct dcb_table *dcb, bool twoHeads)
 {
 	struct dcb_entry *entry = new_dcb_entry(dcb);
 
@@ -5290,13 +5377,13 @@ static void fabricate_tv_output(struct parsed_dcb *dcb, bool twoHeads)
 }
 
 static bool
-parse_dcb20_entry(struct drm_device *dev, struct bios_parsed_dcb *bdcb,
+parse_dcb20_entry(struct drm_device *dev, struct dcb_table *dcb,
 		  uint32_t conn, uint32_t conf, struct dcb_entry *entry)
 {
 	entry->type = conn & 0xf;
 	entry->i2c_index = (conn >> 4) & 0xf;
 	entry->heads = (conn >> 8) & 0xf;
-	if (bdcb->version >= 0x40)
+	if (dcb->version >= 0x40)
 		entry->connector = (conn >> 12) & 0xf;
 	entry->bus = (conn >> 16) & 0xf;
 	entry->location = (conn >> 20) & 0x3;
@@ -5314,7 +5401,7 @@ parse_dcb20_entry(struct drm_device *dev, struct bios_parsed_dcb *bdcb,
 		 * Although the rest of a CRT conf dword is usually
 		 * zeros, mac biosen have stuff there so we must mask
 		 */
-		entry->crtconf.maxfreq = (bdcb->version < 0x30) ?
+		entry->crtconf.maxfreq = (dcb->version < 0x30) ?
 					 (conf & 0xffff) * 10 :
 					 (conf & 0xff) * 10000;
 		break;
@@ -5323,7 +5410,7 @@ parse_dcb20_entry(struct drm_device *dev, struct bios_parsed_dcb *bdcb,
 		uint32_t mask;
 		if (conf & 0x1)
 			entry->lvdsconf.use_straps_for_mode = true;
-		if (bdcb->version < 0x22) {
+		if (dcb->version < 0x22) {
 			mask = ~0xd;
 			/*
 			 * The laptop in bug 14567 lies and claims to not use
@@ -5347,7 +5434,7 @@ parse_dcb20_entry(struct drm_device *dev, struct bios_parsed_dcb *bdcb,
 			 * Until we even try to use these on G8x, it's
 			 * useless reporting unknown bits.  They all are.
 			 */
-			if (bdcb->version >= 0x40)
+			if (dcb->version >= 0x40)
 				break;
 
 			NV_ERROR(dev, "Unknown LVDS configuration bits, "
@@ -5357,7 +5444,7 @@ parse_dcb20_entry(struct drm_device *dev, struct bios_parsed_dcb *bdcb,
 		}
 	case OUTPUT_TV:
 	{
-		if (bdcb->version >= 0x30)
+		if (dcb->version >= 0x30)
 			entry->tvconf.has_component_output = conf & (0x8 << 4);
 		else
 			entry->tvconf.has_component_output = false;
@@ -5384,8 +5471,10 @@ parse_dcb20_entry(struct drm_device *dev, struct bios_parsed_dcb *bdcb,
 		break;
 	case 0xe:
 		/* weird g80 mobile type that "nv" treats as a terminator */
-		bdcb->dcb.entries--;
+		dcb->entries--;
 		return false;
+	default:
+		break;
 	}
 
 	/* unsure what DCB version introduces this, 3.0? */
@@ -5396,7 +5485,7 @@ parse_dcb20_entry(struct drm_device *dev, struct bios_parsed_dcb *bdcb,
 }
 
 static bool
-parse_dcb15_entry(struct drm_device *dev, struct parsed_dcb *dcb,
+parse_dcb15_entry(struct drm_device *dev, struct dcb_table *dcb,
 		  uint32_t conn, uint32_t conf, struct dcb_entry *entry)
 {
 	switch (conn & 0x0000000f) {
@@ -5462,27 +5551,27 @@ parse_dcb15_entry(struct drm_device *dev, struct parsed_dcb *dcb,
 	return true;
 }
 
-static bool parse_dcb_entry(struct drm_device *dev, struct bios_parsed_dcb *bdcb,
+static bool parse_dcb_entry(struct drm_device *dev, struct dcb_table *dcb,
 			    uint32_t conn, uint32_t conf)
 {
-	struct dcb_entry *entry = new_dcb_entry(&bdcb->dcb);
+	struct dcb_entry *entry = new_dcb_entry(dcb);
 	bool ret;
 
-	if (bdcb->version >= 0x20)
-		ret = parse_dcb20_entry(dev, bdcb, conn, conf, entry);
+	if (dcb->version >= 0x20)
+		ret = parse_dcb20_entry(dev, dcb, conn, conf, entry);
 	else
-		ret = parse_dcb15_entry(dev, &bdcb->dcb, conn, conf, entry);
+		ret = parse_dcb15_entry(dev, dcb, conn, conf, entry);
 	if (!ret)
 		return ret;
 
-	read_dcb_i2c_entry(dev, bdcb->version, bdcb->i2c_table,
-			   entry->i2c_index, &bdcb->dcb.i2c[entry->i2c_index]);
+	read_dcb_i2c_entry(dev, dcb->version, dcb->i2c_table,
+			   entry->i2c_index, &dcb->i2c[entry->i2c_index]);
 
 	return true;
 }
 
 static
-void merge_like_dcb_entries(struct drm_device *dev, struct parsed_dcb *dcb)
+void merge_like_dcb_entries(struct drm_device *dev, struct dcb_table *dcb)
 {
 	/*
 	 * DCB v2.0 lists each output combination separately.
@@ -5534,8 +5623,7 @@ static int
 parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool twoHeads)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct bios_parsed_dcb *bdcb = &bios->bdcb;
-	struct parsed_dcb *dcb;
+	struct dcb_table *dcb = &bios->dcb;
 	uint16_t dcbptr = 0, i2ctabptr = 0;
 	uint8_t *dcbtable;
 	uint8_t headerlen = 0x4, entries = DCB_MAX_NUM_ENTRIES;
@@ -5543,9 +5631,6 @@ parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool twoHeads)
 	int recordlength = 8, confofs = 4;
 	int i;
 
-	dcb = bios->pub.dcb = &bdcb->dcb;
-	dcb->entries = 0;
-
 	/* get the offset from 0x36 */
 	if (dev_priv->card_type > NV_04) {
 		dcbptr = ROM16(bios->data[0x36]);
@@ -5567,21 +5652,21 @@ parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool twoHeads)
 	dcbtable = &bios->data[dcbptr];
 
 	/* get DCB version */
-	bdcb->version = dcbtable[0];
+	dcb->version = dcbtable[0];
 	NV_TRACE(dev, "Found Display Configuration Block version %d.%d\n",
-		 bdcb->version >> 4, bdcb->version & 0xf);
+		 dcb->version >> 4, dcb->version & 0xf);
 
-	if (bdcb->version >= 0x20) { /* NV17+ */
+	if (dcb->version >= 0x20) { /* NV17+ */
 		uint32_t sig;
 
-		if (bdcb->version >= 0x30) { /* NV40+ */
+		if (dcb->version >= 0x30) { /* NV40+ */
 			headerlen = dcbtable[1];
 			entries = dcbtable[2];
 			recordlength = dcbtable[3];
 			i2ctabptr = ROM16(dcbtable[4]);
 			sig = ROM32(dcbtable[6]);
-			bdcb->gpio_table_ptr = ROM16(dcbtable[10]);
-			bdcb->connector_table_ptr = ROM16(dcbtable[20]);
+			dcb->gpio_table_ptr = ROM16(dcbtable[10]);
+			dcb->connector_table_ptr = ROM16(dcbtable[20]);
 		} else {
 			i2ctabptr = ROM16(dcbtable[2]);
 			sig = ROM32(dcbtable[4]);
@@ -5593,7 +5678,7 @@ parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool twoHeads)
 					"signature (%08X)\n", sig);
 			return -EINVAL;
 		}
-	} else if (bdcb->version >= 0x15) { /* some NV11 and NV20 */
+	} else if (dcb->version >= 0x15) { /* some NV11 and NV20 */
 		char sig[8] = { 0 };
 
 		strncpy(sig, (char *)&dcbtable[-7], 7);
@@ -5641,14 +5726,11 @@ parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool twoHeads)
 	if (!i2ctabptr)
 		NV_WARN(dev, "No pointer to DCB I2C port table\n");
 	else {
-		bdcb->i2c_table = &bios->data[i2ctabptr];
-		if (bdcb->version >= 0x30)
-			bdcb->i2c_default_indices = bdcb->i2c_table[4];
+		dcb->i2c_table = &bios->data[i2ctabptr];
+		if (dcb->version >= 0x30)
+			dcb->i2c_default_indices = dcb->i2c_table[4];
 	}
 
-	parse_dcb_gpio_table(bios);
-	parse_dcb_connector_table(bios);
-
 	if (entries > DCB_MAX_NUM_ENTRIES)
 		entries = DCB_MAX_NUM_ENTRIES;
 
@@ -5673,7 +5755,7 @@ parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool twoHeads)
 		NV_TRACEWARN(dev, "Raw DCB entry %d: %08x %08x\n",
 			     dcb->entries, connection, config);
 
-		if (!parse_dcb_entry(dev, bdcb, connection, config))
+		if (!parse_dcb_entry(dev, dcb, connection, config))
 			break;
 	}
 
@@ -5681,18 +5763,22 @@ parse_dcb_table(struct drm_device *dev, struct nvbios *bios, bool twoHeads)
 	 * apart for v2.1+ not being known for requiring merging, this
 	 * guarantees dcbent->index is the index of the entry in the rom image
 	 */
-	if (bdcb->version < 0x21)
+	if (dcb->version < 0x21)
 		merge_like_dcb_entries(dev, dcb);
 
-	return dcb->entries ? 0 : -ENXIO;
+	if (!dcb->entries)
+		return -ENXIO;
+
+	parse_dcb_gpio_table(bios);
+	parse_dcb_connector_table(bios);
+	return 0;
 }
 
 static void
 fixup_legacy_connector(struct nvbios *bios)
 {
-	struct bios_parsed_dcb *bdcb = &bios->bdcb;
-	struct parsed_dcb *dcb = &bdcb->dcb;
-	int high = 0, i;
+	struct dcb_table *dcb = &bios->dcb;
+	int i, i2c, i2c_conn[DCB_MAX_NUM_I2C_ENTRIES] = { };
 
 	/*
 	 * DCB 3.0 also has the table in most cases, but there are some cards
@@ -5700,9 +5786,11 @@ fixup_legacy_connector(struct nvbios *bios)
 	 * indices are all 0.  We don't need the connector indices on pre-G80
 	 * chips (yet?) so limit the use to DCB 4.0 and above.
 	 */
-	if (bdcb->version >= 0x40)
+	if (dcb->version >= 0x40)
 		return;
 
+	dcb->connector.entries = 0;
+
 	/*
 	 * No known connector info before v3.0, so make it up.  the rule here
 	 * is: anything on the same i2c bus is considered to be on the same
@@ -5710,37 +5798,38 @@ fixup_legacy_connector(struct nvbios *bios)
 	 * its own unique connector index.
 	 */
 	for (i = 0; i < dcb->entries; i++) {
-		if (dcb->entry[i].i2c_index == 0xf)
-			continue;
-
 		/*
 		 * Ignore the I2C index for on-chip TV-out, as there
 		 * are cards with bogus values (nv31m in bug 23212),
 		 * and it's otherwise useless.
 		 */
 		if (dcb->entry[i].type == OUTPUT_TV &&
-		    dcb->entry[i].location == DCB_LOC_ON_CHIP) {
+		    dcb->entry[i].location == DCB_LOC_ON_CHIP)
 			dcb->entry[i].i2c_index = 0xf;
+		i2c = dcb->entry[i].i2c_index;
+
+		if (i2c_conn[i2c]) {
+			dcb->entry[i].connector = i2c_conn[i2c] - 1;
 			continue;
 		}
 
-		dcb->entry[i].connector = dcb->entry[i].i2c_index;
-		if (dcb->entry[i].connector > high)
-			high = dcb->entry[i].connector;
+		dcb->entry[i].connector = dcb->connector.entries++;
+		if (i2c != 0xf)
+			i2c_conn[i2c] = dcb->connector.entries;
 	}
 
-	for (i = 0; i < dcb->entries; i++) {
-		if (dcb->entry[i].i2c_index != 0xf)
-			continue;
-
-		dcb->entry[i].connector = ++high;
+	/* Fake the connector table as well as just connector indices */
+	for (i = 0; i < dcb->connector.entries; i++) {
+		dcb->connector.entry[i].index = i;
+		dcb->connector.entry[i].type = divine_connector_type(bios, i);
+		dcb->connector.entry[i].gpio_tag = 0xff;
 	}
 }
 
 static void
 fixup_legacy_i2c(struct nvbios *bios)
 {
-	struct parsed_dcb *dcb = &bios->bdcb.dcb;
+	struct dcb_table *dcb = &bios->dcb;
 	int i;
 
 	for (i = 0; i < dcb->entries; i++) {
@@ -5826,7 +5915,7 @@ static int load_nv17_hw_sequencer_ucode(struct drm_device *dev,
 uint8_t *nouveau_bios_embedded_edid(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	const uint8_t edid_sig[] = {
 			0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 };
 	uint16_t offset = 0;
@@ -5859,7 +5948,7 @@ nouveau_bios_run_init_table(struct drm_device *dev, uint16_t table,
 			    struct dcb_entry *dcbent)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	struct init_exec iexec = { true, false };
 
 	mutex_lock(&bios->lock);
@@ -5872,7 +5961,7 @@ nouveau_bios_run_init_table(struct drm_device *dev, uint16_t table,
 static bool NVInitVBIOS(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 
 	memset(bios, 0, sizeof(struct nvbios));
 	mutex_init(&bios->lock);
@@ -5888,7 +5977,7 @@ static bool NVInitVBIOS(struct drm_device *dev)
 static int nouveau_parse_vbios_struct(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	const uint8_t bit_signature[] = { 0xff, 0xb8, 'B', 'I', 'T' };
 	const uint8_t bmp_signature[] = { 0xff, 0x7f, 'N', 'V', 0x0 };
 	int offset;
@@ -5915,7 +6004,7 @@ int
 nouveau_run_vbios_init(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	int i, ret = 0;
 
 	NVLockVgaCrtcs(dev, false);
@@ -5946,9 +6035,9 @@ nouveau_run_vbios_init(struct drm_device *dev)
 	}
 
 	if (dev_priv->card_type >= NV_50) {
-		for (i = 0; i < bios->bdcb.dcb.entries; i++) {
+		for (i = 0; i < bios->dcb.entries; i++) {
 			nouveau_bios_run_display_table(dev,
-						       &bios->bdcb.dcb.entry[i],
+						       &bios->dcb.entry[i],
 						       0, 0);
 		}
 	}
@@ -5962,11 +6051,11 @@ static void
 nouveau_bios_i2c_devices_takedown(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	struct dcb_i2c_entry *entry;
 	int i;
 
-	entry = &bios->bdcb.dcb.i2c[0];
+	entry = &bios->dcb.i2c[0];
 	for (i = 0; i < DCB_MAX_NUM_I2C_ENTRIES; i++, entry++)
 		nouveau_i2c_fini(dev, entry);
 }
@@ -5975,13 +6064,11 @@ int
 nouveau_bios_init(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	uint32_t saved_nv_pextdev_boot_0;
 	bool was_locked;
 	int ret;
 
-	dev_priv->vbios = &bios->pub;
-
 	if (!NVInitVBIOS(dev))
 		return -ENODEV;
 
@@ -6023,10 +6110,8 @@ nouveau_bios_init(struct drm_device *dev)
 	bios_wr32(bios, NV_PEXTDEV_BOOT_0, saved_nv_pextdev_boot_0);
 
 	ret = nouveau_run_vbios_init(dev);
-	if (ret) {
-		dev_priv->vbios = NULL;
+	if (ret)
 		return ret;
-	}
 
 	/* feature_byte on BMP is poor, but init always sets CR4B */
 	was_locked = NVLockVgaCrtcs(dev, false);
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h
index fd94bd6dc264..4f88e6924d27 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.h
@@ -34,9 +34,68 @@
 
 #define DCB_LOC_ON_CHIP 0
 
+struct dcb_i2c_entry {
+	uint8_t port_type;
+	uint8_t read, write;
+	struct nouveau_i2c_chan *chan;
+};
+
+enum dcb_gpio_tag {
+	DCB_GPIO_TVDAC0 = 0xc,
+	DCB_GPIO_TVDAC1 = 0x2d,
+};
+
+struct dcb_gpio_entry {
+	enum dcb_gpio_tag tag;
+	int line;
+	bool invert;
+};
+
+struct dcb_gpio_table {
+	int entries;
+	struct dcb_gpio_entry entry[DCB_MAX_NUM_GPIO_ENTRIES];
+};
+
+enum dcb_connector_type {
+	DCB_CONNECTOR_VGA = 0x00,
+	DCB_CONNECTOR_TV_0 = 0x10,
+	DCB_CONNECTOR_TV_1 = 0x11,
+	DCB_CONNECTOR_TV_3 = 0x13,
+	DCB_CONNECTOR_DVI_I = 0x30,
+	DCB_CONNECTOR_DVI_D = 0x31,
+	DCB_CONNECTOR_LVDS = 0x40,
+	DCB_CONNECTOR_DP = 0x46,
+	DCB_CONNECTOR_eDP = 0x47,
+	DCB_CONNECTOR_HDMI_0 = 0x60,
+	DCB_CONNECTOR_HDMI_1 = 0x61,
+	DCB_CONNECTOR_NONE = 0xff
+};
+
+struct dcb_connector_table_entry {
+	uint8_t index;
+	uint32_t entry;
+	enum dcb_connector_type type;
+	uint8_t index2;
+	uint8_t gpio_tag;
+};
+
+struct dcb_connector_table {
+	int entries;
+	struct dcb_connector_table_entry entry[DCB_MAX_NUM_CONNECTOR_ENTRIES];
+};
+
+enum dcb_type {
+	OUTPUT_ANALOG = 0,
+	OUTPUT_TV = 1,
+	OUTPUT_TMDS = 2,
+	OUTPUT_LVDS = 3,
+	OUTPUT_DP = 6,
+	OUTPUT_ANY = -1
+};
+
 struct dcb_entry {
 	int index;	/* may not be raw dcb index if merging has happened */
-	uint8_t type;
+	enum dcb_type type;
 	uint8_t i2c_index;
 	uint8_t heads;
 	uint8_t connector;
@@ -71,69 +130,22 @@ struct dcb_entry {
 	bool i2c_upper_default;
 };
 
-struct dcb_i2c_entry {
-	uint8_t port_type;
-	uint8_t read, write;
-	struct nouveau_i2c_chan *chan;
-};
+struct dcb_table {
+	uint8_t version;
 
-struct parsed_dcb {
 	int entries;
 	struct dcb_entry entry[DCB_MAX_NUM_ENTRIES];
-	struct dcb_i2c_entry i2c[DCB_MAX_NUM_I2C_ENTRIES];
-};
-
-enum dcb_gpio_tag {
-	DCB_GPIO_TVDAC0 = 0xc,
-	DCB_GPIO_TVDAC1 = 0x2d,
-};
-
-struct dcb_gpio_entry {
-	enum dcb_gpio_tag tag;
-	int line;
-	bool invert;
-};
-
-struct parsed_dcb_gpio {
-	int entries;
-	struct dcb_gpio_entry entry[DCB_MAX_NUM_GPIO_ENTRIES];
-};
-
-struct dcb_connector_table_entry {
-	uint32_t entry;
-	uint8_t type;
-	uint8_t index;
-	uint8_t gpio_tag;
-};
-
-struct dcb_connector_table {
-	int entries;
-	struct dcb_connector_table_entry entry[DCB_MAX_NUM_CONNECTOR_ENTRIES];
-};
-
-struct bios_parsed_dcb {
-	uint8_t version;
-
-	struct parsed_dcb dcb;
 
 	uint8_t *i2c_table;
 	uint8_t i2c_default_indices;
+	struct dcb_i2c_entry i2c[DCB_MAX_NUM_I2C_ENTRIES];
 
 	uint16_t gpio_table_ptr;
-	struct parsed_dcb_gpio gpio;
+	struct dcb_gpio_table gpio;
 	uint16_t connector_table_ptr;
 	struct dcb_connector_table connector;
 };
 
-enum nouveau_encoder_type {
-	OUTPUT_ANALOG = 0,
-	OUTPUT_TV = 1,
-	OUTPUT_TMDS = 2,
-	OUTPUT_LVDS = 3,
-	OUTPUT_DP = 6,
-	OUTPUT_ANY = -1
-};
-
 enum nouveau_or {
 	OUTPUT_A = (1 << 0),
 	OUTPUT_B = (1 << 1),
@@ -190,8 +202,8 @@ struct pll_lims {
 	int refclk;
 };
 
-struct nouveau_bios_info {
-	struct parsed_dcb *dcb;
+struct nvbios {
+	struct drm_device *dev;
 
 	uint8_t chip_version;
 
@@ -199,11 +211,6 @@ struct nouveau_bios_info {
 	uint32_t tvdactestval;
 	uint8_t digital_min_front_porch;
 	bool fp_no_ddc;
-};
-
-struct nvbios {
-	struct drm_device *dev;
-	struct nouveau_bios_info pub;
 
 	struct mutex lock;
 
@@ -234,7 +241,7 @@ struct nvbios {
 	uint16_t some_script_ptr; /* BIT I + 14 */
 	uint16_t init96_tbl_ptr; /* BIT I + 16 */
 
-	struct bios_parsed_dcb bdcb;
+	struct dcb_table dcb;
 
 	struct {
 		int crtchead;
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 028719fddf76..026612471c92 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -439,8 +439,7 @@ nouveau_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl)
 
 	switch (bo->mem.mem_type) {
 	case TTM_PL_VRAM:
-		nouveau_bo_placement_set(nvbo, TTM_PL_FLAG_TT |
-					 TTM_PL_FLAG_SYSTEM);
+		nouveau_bo_placement_set(nvbo, TTM_PL_FLAG_TT);
 		break;
 	default:
 		nouveau_bo_placement_set(nvbo, TTM_PL_FLAG_SYSTEM);
diff --git a/drivers/gpu/drm/nouveau/nouveau_calc.c b/drivers/gpu/drm/nouveau/nouveau_calc.c
index ee2b84504d05..88f9bc0941eb 100644
--- a/drivers/gpu/drm/nouveau/nouveau_calc.c
+++ b/drivers/gpu/drm/nouveau/nouveau_calc.c
@@ -274,7 +274,7 @@ getMNP_single(struct drm_device *dev, struct pll_lims *pll_lim, int clk,
 	 * returns calculated clock
 	 */
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	int cv = dev_priv->vbios->chip_version;
+	int cv = dev_priv->vbios.chip_version;
 	int minvco = pll_lim->vco1.minfreq, maxvco = pll_lim->vco1.maxfreq;
 	int minM = pll_lim->vco1.min_m, maxM = pll_lim->vco1.max_m;
 	int minN = pll_lim->vco1.min_n, maxN = pll_lim->vco1.max_n;
@@ -373,7 +373,7 @@ getMNP_double(struct drm_device *dev, struct pll_lims *pll_lim, int clk,
 	 * returns calculated clock
 	 */
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	int chip_version = dev_priv->vbios->chip_version;
+	int chip_version = dev_priv->vbios.chip_version;
 	int minvco1 = pll_lim->vco1.minfreq, maxvco1 = pll_lim->vco1.maxfreq;
 	int minvco2 = pll_lim->vco2.minfreq, maxvco2 = pll_lim->vco2.maxfreq;
 	int minU1 = pll_lim->vco1.min_inputfreq, minU2 = pll_lim->vco2.min_inputfreq;
diff --git a/drivers/gpu/drm/nouveau/nouveau_channel.c b/drivers/gpu/drm/nouveau/nouveau_channel.c
index 2281f99da7fc..6dfb425cbae9 100644
--- a/drivers/gpu/drm/nouveau/nouveau_channel.c
+++ b/drivers/gpu/drm/nouveau/nouveau_channel.c
@@ -35,22 +35,27 @@ nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan)
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_bo *pb = chan->pushbuf_bo;
 	struct nouveau_gpuobj *pushbuf = NULL;
-	uint32_t start = pb->bo.mem.mm_node->start << PAGE_SHIFT;
 	int ret;
 
+	if (dev_priv->card_type >= NV_50) {
+		ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, 0,
+					     dev_priv->vm_end, NV_DMA_ACCESS_RO,
+					     NV_DMA_TARGET_AGP, &pushbuf);
+		chan->pushbuf_base = pb->bo.offset;
+	} else
 	if (pb->bo.mem.mem_type == TTM_PL_TT) {
 		ret = nouveau_gpuobj_gart_dma_new(chan, 0,
 						  dev_priv->gart_info.aper_size,
 						  NV_DMA_ACCESS_RO, &pushbuf,
 						  NULL);
-		chan->pushbuf_base = start;
+		chan->pushbuf_base = pb->bo.mem.mm_node->start << PAGE_SHIFT;
 	} else
 	if (dev_priv->card_type != NV_04) {
 		ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, 0,
 					     dev_priv->fb_available_size,
 					     NV_DMA_ACCESS_RO,
 					     NV_DMA_TARGET_VIDMEM, &pushbuf);
-		chan->pushbuf_base = start;
+		chan->pushbuf_base = pb->bo.mem.mm_node->start << PAGE_SHIFT;
 	} else {
 		/* NV04 cmdbuf hack, from original ddx.. not sure of it's
 		 * exact reason for existing :)  PCI access to cmdbuf in
@@ -61,7 +66,7 @@ nouveau_channel_pushbuf_ctxdma_init(struct nouveau_channel *chan)
 					     dev_priv->fb_available_size,
 					     NV_DMA_ACCESS_RO,
 					     NV_DMA_TARGET_PCI, &pushbuf);
-		chan->pushbuf_base = start;
+		chan->pushbuf_base = pb->bo.mem.mm_node->start << PAGE_SHIFT;
 	}
 
 	ret = nouveau_gpuobj_ref_add(dev, chan, 0, pushbuf, &chan->pushbuf);
@@ -275,9 +280,18 @@ nouveau_channel_free(struct nouveau_channel *chan)
 	 */
 	nouveau_fence_fini(chan);
 
-	/* Ensure the channel is no longer active on the GPU */
+	/* This will prevent pfifo from switching channels. */
 	pfifo->reassign(dev, false);
 
+	/* We want to give pgraph a chance to idle and get rid of all potential
+	 * errors. We need to do this before the lock, otherwise the irq handler
+	 * is unable to process them.
+	 */
+	if (pgraph->channel(dev) == chan)
+		nouveau_wait_for_idle(dev);
+
+	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
+
 	pgraph->fifo_access(dev, false);
 	if (pgraph->channel(dev) == chan)
 		pgraph->unload_context(dev);
@@ -293,6 +307,8 @@ nouveau_channel_free(struct nouveau_channel *chan)
 
 	pfifo->reassign(dev, true);
 
+	spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
+
 	/* Release the channel's resources */
 	nouveau_gpuobj_ref_del(dev, &chan->pushbuf);
 	if (chan->pushbuf_bo) {
@@ -369,6 +385,14 @@ nouveau_ioctl_fifo_alloc(struct drm_device *dev, void *data,
 		return ret;
 	init->channel  = chan->id;
 
+	if (chan->dma.ib_max)
+		init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM |
+					NOUVEAU_GEM_DOMAIN_GART;
+	else if (chan->pushbuf_bo->bo.mem.mem_type == TTM_PL_VRAM)
+		init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_VRAM;
+	else
+		init->pushbuf_domains = NOUVEAU_GEM_DOMAIN_GART;
+
 	init->subchan[0].handle = NvM2MF;
 	if (dev_priv->card_type < NV_50)
 		init->subchan[0].grclass = 0x0039;
@@ -408,7 +432,6 @@ nouveau_ioctl_fifo_free(struct drm_device *dev, void *data,
  ***********************************/
 
 struct drm_ioctl_desc nouveau_ioctls[] = {
-	DRM_IOCTL_DEF(DRM_NOUVEAU_CARD_INIT, nouveau_ioctl_card_init, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_NOUVEAU_GETPARAM, nouveau_ioctl_getparam, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_NOUVEAU_SETPARAM, nouveau_ioctl_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
 	DRM_IOCTL_DEF(DRM_NOUVEAU_CHANNEL_ALLOC, nouveau_ioctl_fifo_alloc, DRM_AUTH),
@@ -418,13 +441,9 @@ struct drm_ioctl_desc nouveau_ioctls[] = {
 	DRM_IOCTL_DEF(DRM_NOUVEAU_GPUOBJ_FREE, nouveau_ioctl_gpuobj_free, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_PUSHBUF_CALL, nouveau_gem_ioctl_pushbuf_call, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_PIN, nouveau_gem_ioctl_pin, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_UNPIN, nouveau_gem_ioctl_unpin, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_NOUVEAU_GEM_PUSHBUF_CALL2, nouveau_gem_ioctl_pushbuf_call2, DRM_AUTH),
 };
 
 int nouveau_max_ioctl = DRM_ARRAY_SIZE(nouveau_ioctls);
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index d2f63353ea97..14afe1e47e57 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -218,7 +218,7 @@ nouveau_connector_set_encoder(struct drm_connector *connector,
 			connector->interlace_allowed = true;
 	}
 
-	if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) {
+	if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) {
 		drm_connector_property_set_value(connector,
 			dev->mode_config.dvi_i_subconnector_property,
 			nv_encoder->dcb->type == OUTPUT_TMDS ?
@@ -236,15 +236,17 @@ nouveau_connector_detect(struct drm_connector *connector)
 	struct nouveau_i2c_chan *i2c;
 	int type, flags;
 
-	if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
+	if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS)
 		nv_encoder = find_encoder_by_type(connector, OUTPUT_LVDS);
 	if (nv_encoder && nv_connector->native_mode) {
+		unsigned status = connector_status_connected;
+
 #ifdef CONFIG_ACPI
 		if (!nouveau_ignorelid && !acpi_lid_open())
-			return connector_status_disconnected;
+			status = connector_status_unknown;
 #endif
 		nouveau_connector_set_encoder(connector, nv_encoder);
-		return connector_status_connected;
+		return status;
 	}
 
 	/* Cleanup the previous EDID block. */
@@ -279,7 +281,7 @@ nouveau_connector_detect(struct drm_connector *connector)
 		 * same i2c channel so the value returned from ddc_detect
 		 * isn't necessarily correct.
 		 */
-		if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) {
+		if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) {
 			if (nv_connector->edid->input & DRM_EDID_INPUT_DIGITAL)
 				type = OUTPUT_TMDS;
 			else
@@ -300,7 +302,7 @@ nouveau_connector_detect(struct drm_connector *connector)
 
 detect_analog:
 	nv_encoder = find_encoder_by_type(connector, OUTPUT_ANALOG);
-	if (!nv_encoder)
+	if (!nv_encoder && !nouveau_tv_disable)
 		nv_encoder = find_encoder_by_type(connector, OUTPUT_TV);
 	if (nv_encoder) {
 		struct drm_encoder *encoder = to_drm_encoder(nv_encoder);
@@ -321,11 +323,11 @@ detect_analog:
 static void
 nouveau_connector_force(struct drm_connector *connector)
 {
-	struct drm_device *dev = connector->dev;
+	struct nouveau_connector *nv_connector = nouveau_connector(connector);
 	struct nouveau_encoder *nv_encoder;
 	int type;
 
-	if (connector->connector_type == DRM_MODE_CONNECTOR_DVII) {
+	if (nv_connector->dcb->type == DCB_CONNECTOR_DVI_I) {
 		if (connector->force == DRM_FORCE_ON_DIGITAL)
 			type = OUTPUT_TMDS;
 		else
@@ -335,7 +337,7 @@ nouveau_connector_force(struct drm_connector *connector)
 
 	nv_encoder = find_encoder_by_type(connector, type);
 	if (!nv_encoder) {
-		NV_ERROR(dev, "can't find encoder to force %s on!\n",
+		NV_ERROR(connector->dev, "can't find encoder to force %s on!\n",
 			 drm_get_connector_name(connector));
 		connector->status = connector_status_disconnected;
 		return;
@@ -369,7 +371,7 @@ nouveau_connector_set_property(struct drm_connector *connector,
 		}
 
 		/* LVDS always needs gpu scaling */
-		if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS &&
+		if (nv_connector->dcb->type == DCB_CONNECTOR_LVDS &&
 		    value == DRM_MODE_SCALE_NONE)
 			return -EINVAL;
 
@@ -535,7 +537,7 @@ nouveau_connector_get_modes(struct drm_connector *connector)
 	/* If we're not LVDS, destroy the previous native mode, the attached
 	 * monitor could have changed.
 	 */
-	if (connector->connector_type != DRM_MODE_CONNECTOR_LVDS &&
+	if (nv_connector->dcb->type != DCB_CONNECTOR_LVDS &&
 	    nv_connector->native_mode) {
 		drm_mode_destroy(dev, nv_connector->native_mode);
 		nv_connector->native_mode = NULL;
@@ -563,7 +565,7 @@ nouveau_connector_get_modes(struct drm_connector *connector)
 		ret = get_slave_funcs(nv_encoder)->
 			get_modes(to_drm_encoder(nv_encoder), connector);
 
-	if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS)
+	if (nv_encoder->dcb->type == OUTPUT_LVDS)
 		ret += nouveau_connector_scaler_modes_add(connector);
 
 	return ret;
@@ -613,6 +615,9 @@ nouveau_connector_mode_valid(struct drm_connector *connector,
 
 		clock *= 3;
 		break;
+	default:
+		BUG_ON(1);
+		return MODE_BAD;
 	}
 
 	if (clock < min_clock)
@@ -680,7 +685,7 @@ nouveau_connector_create_lvds(struct drm_device *dev,
 	/* Firstly try getting EDID over DDC, if allowed and I2C channel
 	 * is available.
 	 */
-	if (!dev_priv->VBIOS.pub.fp_no_ddc && nv_encoder->dcb->i2c_index < 0xf)
+	if (!dev_priv->vbios.fp_no_ddc && nv_encoder->dcb->i2c_index < 0xf)
 		i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index);
 
 	if (i2c) {
@@ -695,7 +700,7 @@ nouveau_connector_create_lvds(struct drm_device *dev,
 	 */
 	if (!nv_connector->edid && nouveau_bios_fp_mode(dev, &native) &&
 	     (nv_encoder->dcb->lvdsconf.use_straps_for_mode ||
-	      dev_priv->VBIOS.pub.fp_no_ddc)) {
+	      dev_priv->vbios.fp_no_ddc)) {
 		nv_connector->native_mode = drm_mode_duplicate(dev, &native);
 		goto out;
 	}
@@ -704,7 +709,7 @@ nouveau_connector_create_lvds(struct drm_device *dev,
 	 * stored for the panel stored in them.
 	 */
 	if (!nv_connector->edid && !nv_connector->native_mode &&
-	    !dev_priv->VBIOS.pub.fp_no_ddc) {
+	    !dev_priv->vbios.fp_no_ddc) {
 		struct edid *edid =
 			(struct edid *)nouveau_bios_embedded_edid(dev);
 		if (edid) {
@@ -739,46 +744,66 @@ out:
 }
 
 int
-nouveau_connector_create(struct drm_device *dev, int index, int type)
+nouveau_connector_create(struct drm_device *dev,
+			 struct dcb_connector_table_entry *dcb)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_connector *nv_connector = NULL;
 	struct drm_connector *connector;
 	struct drm_encoder *encoder;
-	int ret;
+	int ret, type;
 
 	NV_DEBUG_KMS(dev, "\n");
 
-	nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
-	if (!nv_connector)
-		return -ENOMEM;
-	nv_connector->dcb = nouveau_bios_connector_entry(dev, index);
-	connector = &nv_connector->base;
-
-	switch (type) {
-	case DRM_MODE_CONNECTOR_VGA:
+	switch (dcb->type) {
+	case DCB_CONNECTOR_NONE:
+		return 0;
+	case DCB_CONNECTOR_VGA:
 		NV_INFO(dev, "Detected a VGA connector\n");
+		type = DRM_MODE_CONNECTOR_VGA;
 		break;
-	case DRM_MODE_CONNECTOR_DVID:
-		NV_INFO(dev, "Detected a DVI-D connector\n");
+	case DCB_CONNECTOR_TV_0:
+	case DCB_CONNECTOR_TV_1:
+	case DCB_CONNECTOR_TV_3:
+		NV_INFO(dev, "Detected a TV connector\n");
+		type = DRM_MODE_CONNECTOR_TV;
 		break;
-	case DRM_MODE_CONNECTOR_DVII:
+	case DCB_CONNECTOR_DVI_I:
 		NV_INFO(dev, "Detected a DVI-I connector\n");
+		type = DRM_MODE_CONNECTOR_DVII;
 		break;
-	case DRM_MODE_CONNECTOR_LVDS:
-		NV_INFO(dev, "Detected a LVDS connector\n");
+	case DCB_CONNECTOR_DVI_D:
+		NV_INFO(dev, "Detected a DVI-D connector\n");
+		type = DRM_MODE_CONNECTOR_DVID;
 		break;
-	case DRM_MODE_CONNECTOR_TV:
-		NV_INFO(dev, "Detected a TV connector\n");
+	case DCB_CONNECTOR_HDMI_0:
+	case DCB_CONNECTOR_HDMI_1:
+		NV_INFO(dev, "Detected a HDMI connector\n");
+		type = DRM_MODE_CONNECTOR_HDMIA;
+		break;
+	case DCB_CONNECTOR_LVDS:
+		NV_INFO(dev, "Detected a LVDS connector\n");
+		type = DRM_MODE_CONNECTOR_LVDS;
 		break;
-	case DRM_MODE_CONNECTOR_DisplayPort:
+	case DCB_CONNECTOR_DP:
 		NV_INFO(dev, "Detected a DisplayPort connector\n");
+		type = DRM_MODE_CONNECTOR_DisplayPort;
 		break;
-	default:
-		NV_ERROR(dev, "Unknown connector, this is not good.\n");
+	case DCB_CONNECTOR_eDP:
+		NV_INFO(dev, "Detected an eDP connector\n");
+		type = DRM_MODE_CONNECTOR_eDP;
 		break;
+	default:
+		NV_ERROR(dev, "unknown connector type: 0x%02x!!\n", dcb->type);
+		return -EINVAL;
 	}
 
+	nv_connector = kzalloc(sizeof(*nv_connector), GFP_KERNEL);
+	if (!nv_connector)
+		return -ENOMEM;
+	nv_connector->dcb = dcb;
+	connector = &nv_connector->base;
+
 	/* defaults, will get overridden in detect() */
 	connector->interlace_allowed = false;
 	connector->doublescan_allowed = false;
@@ -786,55 +811,65 @@ nouveau_connector_create(struct drm_device *dev, int index, int type)
 	drm_connector_init(dev, connector, &nouveau_connector_funcs, type);
 	drm_connector_helper_add(connector, &nouveau_connector_helper_funcs);
 
+	/* attach encoders */
+	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+		struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+
+		if (nv_encoder->dcb->connector != dcb->index)
+			continue;
+
+		if (get_slave_funcs(nv_encoder))
+			get_slave_funcs(nv_encoder)->create_resources(encoder, connector);
+
+		drm_mode_connector_attach_encoder(connector, encoder);
+	}
+
+	if (!connector->encoder_ids[0]) {
+		NV_WARN(dev, "  no encoders, ignoring\n");
+		drm_connector_cleanup(connector);
+		kfree(connector);
+		return 0;
+	}
+
 	/* Init DVI-I specific properties */
-	if (type == DRM_MODE_CONNECTOR_DVII) {
+	if (dcb->type == DCB_CONNECTOR_DVI_I) {
 		drm_mode_create_dvi_i_properties(dev);
 		drm_connector_attach_property(connector, dev->mode_config.dvi_i_subconnector_property, 0);
 		drm_connector_attach_property(connector, dev->mode_config.dvi_i_select_subconnector_property, 0);
 	}
 
-	if (type != DRM_MODE_CONNECTOR_LVDS)
+	if (dcb->type != DCB_CONNECTOR_LVDS)
 		nv_connector->use_dithering = false;
 
-	if (type == DRM_MODE_CONNECTOR_DVID ||
-	    type == DRM_MODE_CONNECTOR_DVII ||
-	    type == DRM_MODE_CONNECTOR_LVDS ||
-	    type == DRM_MODE_CONNECTOR_DisplayPort) {
-		nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
-
-		drm_connector_attach_property(connector, dev->mode_config.scaling_mode_property,
-					      nv_connector->scaling_mode);
-		drm_connector_attach_property(connector, dev->mode_config.dithering_mode_property,
-					      nv_connector->use_dithering ? DRM_MODE_DITHERING_ON
-					      : DRM_MODE_DITHERING_OFF);
-
-	} else {
-		nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
-
-		if (type == DRM_MODE_CONNECTOR_VGA  &&
-				dev_priv->card_type >= NV_50) {
+	switch (dcb->type) {
+	case DCB_CONNECTOR_VGA:
+		if (dev_priv->card_type >= NV_50) {
 			drm_connector_attach_property(connector,
 					dev->mode_config.scaling_mode_property,
 					nv_connector->scaling_mode);
 		}
-	}
-
-	/* attach encoders */
-	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-		struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
-
-		if (nv_encoder->dcb->connector != index)
-			continue;
-
-		if (get_slave_funcs(nv_encoder))
-			get_slave_funcs(nv_encoder)->create_resources(encoder, connector);
+		/* fall-through */
+	case DCB_CONNECTOR_TV_0:
+	case DCB_CONNECTOR_TV_1:
+	case DCB_CONNECTOR_TV_3:
+		nv_connector->scaling_mode = DRM_MODE_SCALE_NONE;
+		break;
+	default:
+		nv_connector->scaling_mode = DRM_MODE_SCALE_FULLSCREEN;
 
-		drm_mode_connector_attach_encoder(connector, encoder);
+		drm_connector_attach_property(connector,
+				dev->mode_config.scaling_mode_property,
+				nv_connector->scaling_mode);
+		drm_connector_attach_property(connector,
+				dev->mode_config.dithering_mode_property,
+				nv_connector->use_dithering ?
+				DRM_MODE_DITHERING_ON : DRM_MODE_DITHERING_OFF);
+		break;
 	}
 
 	drm_sysfs_connector_add(connector);
 
-	if (connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
+	if (dcb->type == DCB_CONNECTOR_LVDS) {
 		ret = nouveau_connector_create_lvds(dev, connector);
 		if (ret) {
 			connector->funcs->destroy(connector);
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.h b/drivers/gpu/drm/nouveau/nouveau_connector.h
index 728b8090e5ff..4ef38abc2d9c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.h
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.h
@@ -49,6 +49,7 @@ static inline struct nouveau_connector *nouveau_connector(
 	return container_of(con, struct nouveau_connector, base);
 }
 
-int nouveau_connector_create(struct drm_device *dev, int i2c_index, int type);
+int nouveau_connector_create(struct drm_device *,
+			     struct dcb_connector_table_entry *);
 
 #endif /* __NOUVEAU_CONNECTOR_H__ */
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
index d79db3698f16..8ff9ef5d4b47 100644
--- a/drivers/gpu/drm/nouveau/nouveau_debugfs.c
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -47,12 +47,23 @@ nouveau_debugfs_channel_info(struct seq_file *m, void *data)
 	seq_printf(m, "           cur: 0x%08x\n", chan->dma.cur << 2);
 	seq_printf(m, "           put: 0x%08x\n", chan->dma.put << 2);
 	seq_printf(m, "          free: 0x%08x\n", chan->dma.free << 2);
+	if (chan->dma.ib_max) {
+		seq_printf(m, "        ib max: 0x%08x\n", chan->dma.ib_max);
+		seq_printf(m, "        ib put: 0x%08x\n", chan->dma.ib_put);
+		seq_printf(m, "       ib free: 0x%08x\n", chan->dma.ib_free);
+	}
 
 	seq_printf(m, "gpu fifo state:\n");
 	seq_printf(m, "           get: 0x%08x\n",
 					nvchan_rd32(chan, chan->user_get));
 	seq_printf(m, "           put: 0x%08x\n",
 					nvchan_rd32(chan, chan->user_put));
+	if (chan->dma.ib_max) {
+		seq_printf(m, "        ib get: 0x%08x\n",
+			   nvchan_rd32(chan, 0x88));
+		seq_printf(m, "        ib put: 0x%08x\n",
+			   nvchan_rd32(chan, 0x8c));
+	}
 
 	seq_printf(m, "last fence    : %d\n", chan->fence.sequence);
 	seq_printf(m, "last signalled: %d\n", chan->fence.sequence_ack);
@@ -133,9 +144,22 @@ nouveau_debugfs_memory_info(struct seq_file *m, void *data)
 	return 0;
 }
 
+static int
+nouveau_debugfs_vbios_image(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct drm_nouveau_private *dev_priv = node->minor->dev->dev_private;
+	int i;
+
+	for (i = 0; i < dev_priv->vbios.length; i++)
+		seq_printf(m, "%c", dev_priv->vbios.data[i]);
+	return 0;
+}
+
 static struct drm_info_list nouveau_debugfs_list[] = {
 	{ "chipset", nouveau_debugfs_chipset_info, 0, NULL },
 	{ "memory", nouveau_debugfs_memory_info, 0, NULL },
+	{ "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL },
 };
 #define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list)
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index dfc94391d71e..cf1c5c0a0abe 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -39,11 +39,8 @@ nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
 	if (drm_fb->fbdev)
 		nouveau_fbcon_remove(dev, drm_fb);
 
-	if (fb->nvbo) {
-		mutex_lock(&dev->struct_mutex);
-		drm_gem_object_unreference(fb->nvbo->gem);
-		mutex_unlock(&dev->struct_mutex);
-	}
+	if (fb->nvbo)
+		drm_gem_object_unreference_unlocked(fb->nvbo->gem);
 
 	drm_framebuffer_cleanup(drm_fb);
 	kfree(fb);
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.c b/drivers/gpu/drm/nouveau/nouveau_dma.c
index 50d9e67745af..65c441a1999f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dma.c
@@ -32,7 +32,22 @@
 void
 nouveau_dma_pre_init(struct nouveau_channel *chan)
 {
-	chan->dma.max  = (chan->pushbuf_bo->bo.mem.size >> 2) - 2;
+	struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
+	struct nouveau_bo *pushbuf = chan->pushbuf_bo;
+
+	if (dev_priv->card_type == NV_50) {
+		const int ib_size = pushbuf->bo.mem.size / 2;
+
+		chan->dma.ib_base = (pushbuf->bo.mem.size - ib_size) >> 2;
+		chan->dma.ib_max = (ib_size / 8) - 1;
+		chan->dma.ib_put = 0;
+		chan->dma.ib_free = chan->dma.ib_max - chan->dma.ib_put;
+
+		chan->dma.max = (pushbuf->bo.mem.size - ib_size) >> 2;
+	} else {
+		chan->dma.max  = (pushbuf->bo.mem.size >> 2) - 2;
+	}
+
 	chan->dma.put  = 0;
 	chan->dma.cur  = chan->dma.put;
 	chan->dma.free = chan->dma.max - chan->dma.cur;
@@ -162,12 +177,106 @@ READ_GET(struct nouveau_channel *chan, uint32_t *prev_get, uint32_t *timeout)
 	return (val - chan->pushbuf_base) >> 2;
 }
 
+void
+nv50_dma_push(struct nouveau_channel *chan, struct nouveau_bo *bo,
+	      int delta, int length)
+{
+	struct nouveau_bo *pb = chan->pushbuf_bo;
+	uint64_t offset = bo->bo.offset + delta;
+	int ip = (chan->dma.ib_put * 2) + chan->dma.ib_base;
+
+	BUG_ON(chan->dma.ib_free < 1);
+	nouveau_bo_wr32(pb, ip++, lower_32_bits(offset));
+	nouveau_bo_wr32(pb, ip++, upper_32_bits(offset) | length << 8);
+
+	chan->dma.ib_put = (chan->dma.ib_put + 1) & chan->dma.ib_max;
+
+	DRM_MEMORYBARRIER();
+	/* Flush writes. */
+	nouveau_bo_rd32(pb, 0);
+
+	nvchan_wr32(chan, 0x8c, chan->dma.ib_put);
+	chan->dma.ib_free--;
+}
+
+static int
+nv50_dma_push_wait(struct nouveau_channel *chan, int count)
+{
+	uint32_t cnt = 0, prev_get = 0;
+
+	while (chan->dma.ib_free < count) {
+		uint32_t get = nvchan_rd32(chan, 0x88);
+		if (get != prev_get) {
+			prev_get = get;
+			cnt = 0;
+		}
+
+		if ((++cnt & 0xff) == 0) {
+			DRM_UDELAY(1);
+			if (cnt > 100000)
+				return -EBUSY;
+		}
+
+		chan->dma.ib_free = get - chan->dma.ib_put;
+		if (chan->dma.ib_free <= 0)
+			chan->dma.ib_free += chan->dma.ib_max + 1;
+	}
+
+	return 0;
+}
+
+static int
+nv50_dma_wait(struct nouveau_channel *chan, int slots, int count)
+{
+	uint32_t cnt = 0, prev_get = 0;
+	int ret;
+
+	ret = nv50_dma_push_wait(chan, slots + 1);
+	if (unlikely(ret))
+		return ret;
+
+	while (chan->dma.free < count) {
+		int get = READ_GET(chan, &prev_get, &cnt);
+		if (unlikely(get < 0)) {
+			if (get == -EINVAL)
+				continue;
+
+			return get;
+		}
+
+		if (get <= chan->dma.cur) {
+			chan->dma.free = chan->dma.max - chan->dma.cur;
+			if (chan->dma.free >= count)
+				break;
+
+			FIRE_RING(chan);
+			do {
+				get = READ_GET(chan, &prev_get, &cnt);
+				if (unlikely(get < 0)) {
+					if (get == -EINVAL)
+						continue;
+					return get;
+				}
+			} while (get == 0);
+			chan->dma.cur = 0;
+			chan->dma.put = 0;
+		}
+
+		chan->dma.free = get - chan->dma.cur - 1;
+	}
+
+	return 0;
+}
+
 int
-nouveau_dma_wait(struct nouveau_channel *chan, int size)
+nouveau_dma_wait(struct nouveau_channel *chan, int slots, int size)
 {
 	uint32_t prev_get = 0, cnt = 0;
 	int get;
 
+	if (chan->dma.ib_max)
+		return nv50_dma_wait(chan, slots, size);
+
 	while (chan->dma.free < size) {
 		get = READ_GET(chan, &prev_get, &cnt);
 		if (unlikely(get == -EBUSY))
diff --git a/drivers/gpu/drm/nouveau/nouveau_dma.h b/drivers/gpu/drm/nouveau/nouveau_dma.h
index dabfd655f93e..8b05c15866d5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dma.h
+++ b/drivers/gpu/drm/nouveau/nouveau_dma.h
@@ -31,6 +31,9 @@
 #define NOUVEAU_DMA_DEBUG 0
 #endif
 
+void nv50_dma_push(struct nouveau_channel *, struct nouveau_bo *,
+		   int delta, int length);
+
 /*
  * There's a hw race condition where you can't jump to your PUT offset,
  * to avoid this we jump to offset + SKIPS and fill the difference with
@@ -96,13 +99,11 @@ enum {
 static __must_check inline int
 RING_SPACE(struct nouveau_channel *chan, int size)
 {
-	if (chan->dma.free < size) {
-		int ret;
+	int ret;
 
-		ret = nouveau_dma_wait(chan, size);
-		if (ret)
-			return ret;
-	}
+	ret = nouveau_dma_wait(chan, 1, size);
+	if (ret)
+		return ret;
 
 	chan->dma.free -= size;
 	return 0;
@@ -146,7 +147,13 @@ FIRE_RING(struct nouveau_channel *chan)
 		return;
 	chan->accel_done = true;
 
-	WRITE_PUT(chan->dma.cur);
+	if (chan->dma.ib_max) {
+		nv50_dma_push(chan, chan->pushbuf_bo, chan->dma.put << 2,
+			      (chan->dma.cur - chan->dma.put) << 2);
+	} else {
+		WRITE_PUT(chan->dma.cur);
+	}
+
 	chan->dma.put = chan->dma.cur;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.c b/drivers/gpu/drm/nouveau/nouveau_drv.c
index da3b93b84502..1de974acbc65 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.c
@@ -75,14 +75,22 @@ MODULE_PARM_DESC(ignorelid, "Ignore ACPI lid status");
 int nouveau_ignorelid = 0;
 module_param_named(ignorelid, nouveau_ignorelid, int, 0400);
 
-MODULE_PARM_DESC(noagp, "Disable all acceleration");
+MODULE_PARM_DESC(noaccel, "Disable all acceleration");
 int nouveau_noaccel = 0;
 module_param_named(noaccel, nouveau_noaccel, int, 0400);
 
-MODULE_PARM_DESC(noagp, "Disable fbcon acceleration");
+MODULE_PARM_DESC(nofbaccel, "Disable fbcon acceleration");
 int nouveau_nofbaccel = 0;
 module_param_named(nofbaccel, nouveau_nofbaccel, int, 0400);
 
+MODULE_PARM_DESC(override_conntype, "Ignore DCB connector type");
+int nouveau_override_conntype = 0;
+module_param_named(override_conntype, nouveau_override_conntype, int, 0400);
+
+MODULE_PARM_DESC(tv_disable, "Disable TV-out detection\n");
+int nouveau_tv_disable = 0;
+module_param_named(tv_disable, nouveau_tv_disable, int, 0400);
+
 MODULE_PARM_DESC(tv_norm, "Default TV norm.\n"
 		 "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, NTSC-M, NTSC-J,\n"
 		 "\t\t\thd480i, hd480p, hd576i, hd576p, hd720p, hd1080i.\n"
@@ -135,7 +143,7 @@ nouveau_pci_remove(struct pci_dev *pdev)
 	drm_put_dev(dev);
 }
 
-static int
+int
 nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
 {
 	struct drm_device *dev = pci_get_drvdata(pdev);
@@ -154,9 +162,11 @@ nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state)
 	if (pm_state.event == PM_EVENT_PRETHAW)
 		return 0;
 
+	NV_INFO(dev, "Disabling fbcon acceleration...\n");
 	fbdev_flags = dev_priv->fbdev_info->flags;
 	dev_priv->fbdev_info->flags |= FBINFO_HWACCEL_DISABLED;
 
+	NV_INFO(dev, "Unpinning framebuffer(s)...\n");
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 		struct nouveau_framebuffer *nouveau_fb;
 
@@ -233,7 +243,7 @@ out_abort:
 	return ret;
 }
 
-static int
+int
 nouveau_pci_resume(struct pci_dev *pdev)
 {
 	struct drm_device *dev = pci_get_drvdata(pdev);
@@ -402,8 +412,10 @@ static int __init nouveau_init(void)
 			nouveau_modeset = 1;
 	}
 
-	if (nouveau_modeset == 1)
+	if (nouveau_modeset == 1) {
 		driver.driver_features |= DRIVER_MODESET;
+		nouveau_register_dsm_handler();
+	}
 
 	return drm_init(&driver);
 }
@@ -411,6 +423,7 @@ static int __init nouveau_init(void)
 static void __exit nouveau_exit(void)
 {
 	drm_exit(&driver);
+	nouveau_unregister_dsm_handler();
 }
 
 module_init(nouveau_init);
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h
index 1c15ef37b71c..d8b559011777 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drv.h
+++ b/drivers/gpu/drm/nouveau/nouveau_drv.h
@@ -34,7 +34,7 @@
 
 #define DRIVER_MAJOR		0
 #define DRIVER_MINOR		0
-#define DRIVER_PATCHLEVEL	15
+#define DRIVER_PATCHLEVEL	16
 
 #define NOUVEAU_FAMILY   0x0000FFFF
 #define NOUVEAU_FLAGS    0xFFFF0000
@@ -83,6 +83,7 @@ struct nouveau_bo {
 	struct drm_file *reserved_by;
 	struct list_head entry;
 	int pbbo_index;
+	bool validate_mapped;
 
 	struct nouveau_channel *channel;
 
@@ -239,6 +240,11 @@ struct nouveau_channel {
 		int cur;
 		int put;
 		/* access via pushbuf_bo */
+
+		int ib_base;
+		int ib_max;
+		int ib_free;
+		int ib_put;
 	} dma;
 
 	uint32_t sw_subchannel[8];
@@ -533,6 +539,9 @@ struct drm_nouveau_private {
 	struct nouveau_engine engine;
 	struct nouveau_channel *channel;
 
+	/* For PFIFO and PGRAPH. */
+	spinlock_t context_switch_lock;
+
 	/* RAMIN configuration, RAMFC, RAMHT and RAMRO offsets */
 	struct nouveau_gpuobj *ramht;
 	uint32_t ramin_rsvd_vram;
@@ -544,7 +553,7 @@ struct drm_nouveau_private {
 	uint32_t ramro_offset;
 	uint32_t ramro_size;
 
-	/* base physical adresses */
+	/* base physical addresses */
 	uint64_t fb_phys;
 	uint64_t fb_available_size;
 	uint64_t fb_mappable_pages;
@@ -596,8 +605,7 @@ struct drm_nouveau_private {
 
 	struct list_head gpuobj_list;
 
-	struct nvbios VBIOS;
-	struct nouveau_bios_info *vbios;
+	struct nvbios vbios;
 
 	struct nv04_mode_state mode_reg;
 	struct nv04_mode_state saved_reg;
@@ -614,7 +622,6 @@ struct drm_nouveau_private {
 	} susres;
 
 	struct backlight_device *backlight;
-	bool acpi_dsm;
 
 	struct nouveau_channel *evo;
 
@@ -674,6 +681,7 @@ extern int nouveau_uscript_tmds;
 extern int nouveau_vram_pushbuf;
 extern int nouveau_vram_notify;
 extern int nouveau_fbpercrtc;
+extern int nouveau_tv_disable;
 extern char *nouveau_tv_norm;
 extern int nouveau_reg_debug;
 extern char *nouveau_vbios;
@@ -681,6 +689,10 @@ extern int nouveau_ctxfw;
 extern int nouveau_ignorelid;
 extern int nouveau_nofbaccel;
 extern int nouveau_noaccel;
+extern int nouveau_override_conntype;
+
+extern int nouveau_pci_suspend(struct pci_dev *pdev, pm_message_t pm_state);
+extern int nouveau_pci_resume(struct pci_dev *pdev);
 
 /* nouveau_state.c */
 extern void nouveau_preclose(struct drm_device *dev, struct drm_file *);
@@ -696,12 +708,6 @@ extern bool nouveau_wait_until(struct drm_device *, uint64_t timeout,
 			       uint32_t reg, uint32_t mask, uint32_t val);
 extern bool nouveau_wait_for_idle(struct drm_device *);
 extern int  nouveau_card_init(struct drm_device *);
-extern int  nouveau_ioctl_card_init(struct drm_device *, void *data,
-				    struct drm_file *);
-extern int  nouveau_ioctl_suspend(struct drm_device *, void *data,
-				  struct drm_file *);
-extern int  nouveau_ioctl_resume(struct drm_device *, void *data,
-				 struct drm_file *);
 
 /* nouveau_mem.c */
 extern int  nouveau_mem_init_heap(struct mem_block **, uint64_t start,
@@ -845,21 +851,15 @@ nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
 /* nouveau_dma.c */
 extern void nouveau_dma_pre_init(struct nouveau_channel *);
 extern int  nouveau_dma_init(struct nouveau_channel *);
-extern int  nouveau_dma_wait(struct nouveau_channel *, int size);
+extern int  nouveau_dma_wait(struct nouveau_channel *, int slots, int size);
 
 /* nouveau_acpi.c */
-#ifdef CONFIG_ACPI
-extern int nouveau_hybrid_setup(struct drm_device *dev);
-extern bool nouveau_dsm_probe(struct drm_device *dev);
+#if defined(CONFIG_ACPI)
+void nouveau_register_dsm_handler(void);
+void nouveau_unregister_dsm_handler(void);
 #else
-static inline int nouveau_hybrid_setup(struct drm_device *dev)
-{
-	return 0;
-}
-static inline bool nouveau_dsm_probe(struct drm_device *dev)
-{
-	return false;
-}
+static inline void nouveau_register_dsm_handler(void) {}
+static inline void nouveau_unregister_dsm_handler(void) {}
 #endif
 
 /* nouveau_backlight.c */
@@ -928,6 +928,10 @@ extern void nv40_fb_takedown(struct drm_device *);
 extern void nv40_fb_set_region_tiling(struct drm_device *, int, uint32_t,
 				      uint32_t, uint32_t);
 
+/* nv50_fb.c */
+extern int  nv50_fb_init(struct drm_device *);
+extern void nv50_fb_takedown(struct drm_device *);
+
 /* nv04_fifo.c */
 extern int  nv04_fifo_init(struct drm_device *);
 extern void nv04_fifo_disable(struct drm_device *);
@@ -1027,6 +1031,7 @@ extern void nv50_graph_destroy_context(struct nouveau_channel *);
 extern int  nv50_graph_load_context(struct nouveau_channel *);
 extern int  nv50_graph_unload_context(struct drm_device *);
 extern void nv50_graph_context_switch(struct drm_device *);
+extern int  nv50_grctx_init(struct nouveau_grctx *);
 
 /* nouveau_grctx.c */
 extern int  nouveau_grctx_prog_load(struct drm_device *);
@@ -1152,16 +1157,6 @@ extern int nouveau_gem_ioctl_new(struct drm_device *, void *,
 				 struct drm_file *);
 extern int nouveau_gem_ioctl_pushbuf(struct drm_device *, void *,
 				     struct drm_file *);
-extern int nouveau_gem_ioctl_pushbuf_call(struct drm_device *, void *,
-					  struct drm_file *);
-extern int nouveau_gem_ioctl_pushbuf_call2(struct drm_device *, void *,
-					   struct drm_file *);
-extern int nouveau_gem_ioctl_pin(struct drm_device *, void *,
-				 struct drm_file *);
-extern int nouveau_gem_ioctl_unpin(struct drm_device *, void *,
-				   struct drm_file *);
-extern int nouveau_gem_ioctl_tile(struct drm_device *, void *,
-				  struct drm_file *);
 extern int nouveau_gem_ioctl_cpu_prep(struct drm_device *, void *,
 				      struct drm_file *);
 extern int nouveau_gem_ioctl_cpu_fini(struct drm_device *, void *,
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index ea879a2efef3..68cedd9194fe 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -36,6 +36,7 @@
 #include <linux/fb.h>
 #include <linux/init.h>
 #include <linux/screen_info.h>
+#include <linux/vga_switcheroo.h>
 
 #include "drmP.h"
 #include "drm.h"
@@ -370,6 +371,7 @@ nouveau_fbcon_create(struct drm_device *dev, uint32_t fb_width,
 						nvbo->bo.offset, nvbo);
 
 	mutex_unlock(&dev->struct_mutex);
+	vga_switcheroo_client_fb_set(dev->pdev, info);
 	return 0;
 
 out_unref:
@@ -401,10 +403,8 @@ nouveau_fbcon_remove(struct drm_device *dev, struct drm_framebuffer *fb)
 
 		unregister_framebuffer(info);
 		nouveau_bo_unmap(nouveau_fb->nvbo);
-		mutex_lock(&dev->struct_mutex);
-		drm_gem_object_unreference(nouveau_fb->nvbo->gem);
+		drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem);
 		nouveau_fb->nvbo = NULL;
-		mutex_unlock(&dev->struct_mutex);
 		if (par)
 			drm_fb_helper_free(&par->helper);
 		framebuffer_release(info);
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 70cc30803e3b..0d22f66f1c79 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -167,12 +167,10 @@ nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
 
 	ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle);
 out:
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_handle_unreference(nvbo->gem);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_handle_unreference_unlocked(nvbo->gem);
 
 	if (ret)
-		drm_gem_object_unreference(nvbo->gem);
+		drm_gem_object_unreference_unlocked(nvbo->gem);
 	return ret;
 }
 
@@ -243,6 +241,11 @@ validate_fini_list(struct list_head *list, struct nouveau_fence *fence)
 			nouveau_fence_unref((void *)&prev_fence);
 		}
 
+		if (unlikely(nvbo->validate_mapped)) {
+			ttm_bo_kunmap(&nvbo->kmap);
+			nvbo->validate_mapped = false;
+		}
+
 		list_del(&nvbo->entry);
 		nvbo->reserved_by = NULL;
 		ttm_bo_unreserve(&nvbo->bo);
@@ -302,11 +305,14 @@ retry:
 			if (ret == -EAGAIN)
 				ret = ttm_bo_wait_unreserved(&nvbo->bo, false);
 			drm_gem_object_unreference(gem);
-			if (ret)
+			if (ret) {
+				NV_ERROR(dev, "fail reserve\n");
 				return ret;
+			}
 			goto retry;
 		}
 
+		b->user_priv = (uint64_t)(unsigned long)nvbo;
 		nvbo->reserved_by = file_priv;
 		nvbo->pbbo_index = i;
 		if ((b->valid_domains & NOUVEAU_GEM_DOMAIN_VRAM) &&
@@ -336,8 +342,10 @@ retry:
 			}
 
 			ret = ttm_bo_wait_cpu(&nvbo->bo, false);
-			if (ret)
+			if (ret) {
+				NV_ERROR(dev, "fail wait_cpu\n");
 				return ret;
+			}
 			goto retry;
 		}
 	}
@@ -351,6 +359,7 @@ validate_list(struct nouveau_channel *chan, struct list_head *list,
 {
 	struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
 				(void __force __user *)(uintptr_t)user_pbbo_ptr;
+	struct drm_device *dev = chan->dev;
 	struct nouveau_bo *nvbo;
 	int ret, relocs = 0;
 
@@ -362,39 +371,46 @@ validate_list(struct nouveau_channel *chan, struct list_head *list,
 			spin_lock(&nvbo->bo.lock);
 			ret = ttm_bo_wait(&nvbo->bo, false, false, false);
 			spin_unlock(&nvbo->bo.lock);
-			if (unlikely(ret))
+			if (unlikely(ret)) {
+				NV_ERROR(dev, "fail wait other chan\n");
 				return ret;
+			}
 		}
 
 		ret = nouveau_gem_set_domain(nvbo->gem, b->read_domains,
 					     b->write_domains,
 					     b->valid_domains);
-		if (unlikely(ret))
+		if (unlikely(ret)) {
+			NV_ERROR(dev, "fail set_domain\n");
 			return ret;
+		}
 
 		nvbo->channel = chan;
 		ret = ttm_bo_validate(&nvbo->bo, &nvbo->placement,
 				      false, false);
 		nvbo->channel = NULL;
-		if (unlikely(ret))
+		if (unlikely(ret)) {
+			NV_ERROR(dev, "fail ttm_validate\n");
 			return ret;
+		}
 
-		if (nvbo->bo.offset == b->presumed_offset &&
+		if (nvbo->bo.offset == b->presumed.offset &&
 		    ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
-		      b->presumed_domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
+		      b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
 		     (nvbo->bo.mem.mem_type == TTM_PL_TT &&
-		      b->presumed_domain & NOUVEAU_GEM_DOMAIN_GART)))
+		      b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
 			continue;
 
 		if (nvbo->bo.mem.mem_type == TTM_PL_TT)
-			b->presumed_domain = NOUVEAU_GEM_DOMAIN_GART;
+			b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
 		else
-			b->presumed_domain = NOUVEAU_GEM_DOMAIN_VRAM;
-		b->presumed_offset = nvbo->bo.offset;
-		b->presumed_ok = 0;
+			b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
+		b->presumed.offset = nvbo->bo.offset;
+		b->presumed.valid = 0;
 		relocs++;
 
-		if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index], b, sizeof(*b)))
+		if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index].presumed,
+				     &b->presumed, sizeof(b->presumed)))
 			return -EFAULT;
 	}
 
@@ -408,6 +424,7 @@ nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
 			     uint64_t user_buffers, int nr_buffers,
 			     struct validate_op *op, int *apply_relocs)
 {
+	struct drm_device *dev = chan->dev;
 	int ret, relocs = 0;
 
 	INIT_LIST_HEAD(&op->vram_list);
@@ -418,11 +435,14 @@ nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
 		return 0;
 
 	ret = validate_init(chan, file_priv, pbbo, nr_buffers, op);
-	if (unlikely(ret))
+	if (unlikely(ret)) {
+		NV_ERROR(dev, "validate_init\n");
 		return ret;
+	}
 
 	ret = validate_list(chan, &op->vram_list, pbbo, user_buffers);
 	if (unlikely(ret < 0)) {
+		NV_ERROR(dev, "validate vram_list\n");
 		validate_fini(op, NULL);
 		return ret;
 	}
@@ -430,6 +450,7 @@ nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
 
 	ret = validate_list(chan, &op->gart_list, pbbo, user_buffers);
 	if (unlikely(ret < 0)) {
+		NV_ERROR(dev, "validate gart_list\n");
 		validate_fini(op, NULL);
 		return ret;
 	}
@@ -437,6 +458,7 @@ nouveau_gem_pushbuf_validate(struct nouveau_channel *chan,
 
 	ret = validate_list(chan, &op->both_list, pbbo, user_buffers);
 	if (unlikely(ret < 0)) {
+		NV_ERROR(dev, "validate both_list\n");
 		validate_fini(op, NULL);
 		return ret;
 	}
@@ -465,59 +487,82 @@ u_memcpya(uint64_t user, unsigned nmemb, unsigned size)
 }
 
 static int
-nouveau_gem_pushbuf_reloc_apply(struct nouveau_channel *chan, int nr_bo,
-				struct drm_nouveau_gem_pushbuf_bo *bo,
-				unsigned nr_relocs, uint64_t ptr_relocs,
-				unsigned nr_dwords, unsigned first_dword,
-				uint32_t *pushbuf, bool is_iomem)
+nouveau_gem_pushbuf_reloc_apply(struct drm_device *dev,
+				struct drm_nouveau_gem_pushbuf *req,
+				struct drm_nouveau_gem_pushbuf_bo *bo)
 {
 	struct drm_nouveau_gem_pushbuf_reloc *reloc = NULL;
-	struct drm_device *dev = chan->dev;
 	int ret = 0;
 	unsigned i;
 
-	reloc = u_memcpya(ptr_relocs, nr_relocs, sizeof(*reloc));
+	reloc = u_memcpya(req->relocs, req->nr_relocs, sizeof(*reloc));
 	if (IS_ERR(reloc))
 		return PTR_ERR(reloc);
 
-	for (i = 0; i < nr_relocs; i++) {
+	for (i = 0; i < req->nr_relocs; i++) {
 		struct drm_nouveau_gem_pushbuf_reloc *r = &reloc[i];
 		struct drm_nouveau_gem_pushbuf_bo *b;
+		struct nouveau_bo *nvbo;
 		uint32_t data;
 
-		if (r->bo_index >= nr_bo || r->reloc_index < first_dword ||
-		    r->reloc_index >= first_dword + nr_dwords) {
-			NV_ERROR(dev, "Bad relocation %d\n", i);
-			NV_ERROR(dev, "  bo: %d max %d\n", r->bo_index, nr_bo);
-			NV_ERROR(dev, "  id: %d max %d\n", r->reloc_index, nr_dwords);
+		if (unlikely(r->bo_index > req->nr_buffers)) {
+			NV_ERROR(dev, "reloc bo index invalid\n");
 			ret = -EINVAL;
 			break;
 		}
 
 		b = &bo[r->bo_index];
-		if (b->presumed_ok)
+		if (b->presumed.valid)
 			continue;
 
+		if (unlikely(r->reloc_bo_index > req->nr_buffers)) {
+			NV_ERROR(dev, "reloc container bo index invalid\n");
+			ret = -EINVAL;
+			break;
+		}
+		nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
+
+		if (unlikely(r->reloc_bo_offset + 4 >
+			     nvbo->bo.mem.num_pages << PAGE_SHIFT)) {
+			NV_ERROR(dev, "reloc outside of bo\n");
+			ret = -EINVAL;
+			break;
+		}
+
+		if (!nvbo->kmap.virtual) {
+			ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.mem.num_pages,
+					  &nvbo->kmap);
+			if (ret) {
+				NV_ERROR(dev, "failed kmap for reloc\n");
+				break;
+			}
+			nvbo->validate_mapped = true;
+		}
+
 		if (r->flags & NOUVEAU_GEM_RELOC_LOW)
-			data = b->presumed_offset + r->data;
+			data = b->presumed.offset + r->data;
 		else
 		if (r->flags & NOUVEAU_GEM_RELOC_HIGH)
-			data = (b->presumed_offset + r->data) >> 32;
+			data = (b->presumed.offset + r->data) >> 32;
 		else
 			data = r->data;
 
 		if (r->flags & NOUVEAU_GEM_RELOC_OR) {
-			if (b->presumed_domain == NOUVEAU_GEM_DOMAIN_GART)
+			if (b->presumed.domain == NOUVEAU_GEM_DOMAIN_GART)
 				data |= r->tor;
 			else
 				data |= r->vor;
 		}
 
-		if (is_iomem)
-			iowrite32_native(data, (void __force __iomem *)
-						&pushbuf[r->reloc_index]);
-		else
-			pushbuf[r->reloc_index] = data;
+		spin_lock(&nvbo->bo.lock);
+		ret = ttm_bo_wait(&nvbo->bo, false, false, false);
+		spin_unlock(&nvbo->bo.lock);
+		if (ret) {
+			NV_ERROR(dev, "reloc wait_idle failed: %d\n", ret);
+			break;
+		}
+
+		nouveau_bo_wr32(nvbo, r->reloc_bo_offset >> 2, data);
 	}
 
 	kfree(reloc);
@@ -528,127 +573,50 @@ int
 nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
 			  struct drm_file *file_priv)
 {
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct drm_nouveau_gem_pushbuf *req = data;
-	struct drm_nouveau_gem_pushbuf_bo *bo = NULL;
+	struct drm_nouveau_gem_pushbuf_push *push;
+	struct drm_nouveau_gem_pushbuf_bo *bo;
 	struct nouveau_channel *chan;
 	struct validate_op op;
-	struct nouveau_fence* fence = 0;
-	uint32_t *pushbuf = NULL;
-	int ret = 0, do_reloc = 0, i;
+	struct nouveau_fence *fence = 0;
+	int i, j, ret = 0, do_reloc = 0;
 
 	NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
 	NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(req->channel, file_priv, chan);
 
-	if (req->nr_dwords >= chan->dma.max ||
-	    req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS ||
-	    req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS) {
-		NV_ERROR(dev, "Pushbuf config exceeds limits:\n");
-		NV_ERROR(dev, "  dwords : %d max %d\n", req->nr_dwords,
-			 chan->dma.max - 1);
-		NV_ERROR(dev, "  buffers: %d max %d\n", req->nr_buffers,
-			 NOUVEAU_GEM_MAX_BUFFERS);
-		NV_ERROR(dev, "  relocs : %d max %d\n", req->nr_relocs,
-			 NOUVEAU_GEM_MAX_RELOCS);
-		return -EINVAL;
-	}
-
-	pushbuf = u_memcpya(req->dwords, req->nr_dwords, sizeof(uint32_t));
-	if (IS_ERR(pushbuf))
-		return PTR_ERR(pushbuf);
-
-	bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
-	if (IS_ERR(bo)) {
-		kfree(pushbuf);
-		return PTR_ERR(bo);
-	}
-
-	mutex_lock(&dev->struct_mutex);
-
-	/* Validate buffer list */
-	ret = nouveau_gem_pushbuf_validate(chan, file_priv, bo, req->buffers,
-					   req->nr_buffers, &op, &do_reloc);
-	if (ret)
-		goto out;
-
-	/* Apply any relocations that are required */
-	if (do_reloc) {
-		ret = nouveau_gem_pushbuf_reloc_apply(chan, req->nr_buffers,
-						      bo, req->nr_relocs,
-						      req->relocs,
-						      req->nr_dwords, 0,
-						      pushbuf, false);
-		if (ret)
-			goto out;
-	}
-
-	/* Emit push buffer to the hw
-	 */
-	ret = RING_SPACE(chan, req->nr_dwords);
-	if (ret)
-		goto out;
-
-	OUT_RINGp(chan, pushbuf, req->nr_dwords);
+	req->vram_available = dev_priv->fb_aper_free;
+	req->gart_available = dev_priv->gart_info.aper_free;
+	if (unlikely(req->nr_push == 0))
+		goto out_next;
 
-	ret = nouveau_fence_new(chan, &fence, true);
-	if (ret) {
-		NV_ERROR(dev, "error fencing pushbuf: %d\n", ret);
-		WIND_RING(chan);
-		goto out;
+	if (unlikely(req->nr_push > NOUVEAU_GEM_MAX_PUSH)) {
+		NV_ERROR(dev, "pushbuf push count exceeds limit: %d max %d\n",
+			 req->nr_push, NOUVEAU_GEM_MAX_PUSH);
+		return -EINVAL;
 	}
 
-	if (nouveau_gem_pushbuf_sync(chan)) {
-		ret = nouveau_fence_wait(fence, NULL, false, false);
-		if (ret) {
-			for (i = 0; i < req->nr_dwords; i++)
-				NV_ERROR(dev, "0x%08x\n", pushbuf[i]);
-			NV_ERROR(dev, "^^ above push buffer is fail :(\n");
-		}
+	if (unlikely(req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS)) {
+		NV_ERROR(dev, "pushbuf bo count exceeds limit: %d max %d\n",
+			 req->nr_buffers, NOUVEAU_GEM_MAX_BUFFERS);
+		return -EINVAL;
 	}
 
-out:
-	validate_fini(&op, fence);
-	nouveau_fence_unref((void**)&fence);
-	mutex_unlock(&dev->struct_mutex);
-	kfree(pushbuf);
-	kfree(bo);
-	return ret;
-}
-
-#define PUSHBUF_CAL (dev_priv->card_type >= NV_20)
-
-int
-nouveau_gem_ioctl_pushbuf_call(struct drm_device *dev, void *data,
-			       struct drm_file *file_priv)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct drm_nouveau_gem_pushbuf_call *req = data;
-	struct drm_nouveau_gem_pushbuf_bo *bo = NULL;
-	struct nouveau_channel *chan;
-	struct drm_gem_object *gem;
-	struct nouveau_bo *pbbo;
-	struct validate_op op;
-	struct nouveau_fence* fence = 0;
-	int i, ret = 0, do_reloc = 0;
-
-	NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
-	NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(req->channel, file_priv, chan);
-
-	if (unlikely(req->handle == 0))
-		goto out_next;
-
-	if (req->nr_buffers > NOUVEAU_GEM_MAX_BUFFERS ||
-	    req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS) {
-		NV_ERROR(dev, "Pushbuf config exceeds limits:\n");
-		NV_ERROR(dev, "  buffers: %d max %d\n", req->nr_buffers,
-			 NOUVEAU_GEM_MAX_BUFFERS);
-		NV_ERROR(dev, "  relocs : %d max %d\n", req->nr_relocs,
-			 NOUVEAU_GEM_MAX_RELOCS);
+	if (unlikely(req->nr_relocs > NOUVEAU_GEM_MAX_RELOCS)) {
+		NV_ERROR(dev, "pushbuf reloc count exceeds limit: %d max %d\n",
+			 req->nr_relocs, NOUVEAU_GEM_MAX_RELOCS);
 		return -EINVAL;
 	}
 
+	push = u_memcpya(req->push, req->nr_push, sizeof(*push));
+	if (IS_ERR(push))
+		return PTR_ERR(push);
+
 	bo = u_memcpya(req->buffers, req->nr_buffers, sizeof(*bo));
-	if (IS_ERR(bo))
+	if (IS_ERR(bo)) {
+		kfree(push);
 		return PTR_ERR(bo);
+	}
 
 	mutex_lock(&dev->struct_mutex);
 
@@ -660,122 +628,84 @@ nouveau_gem_ioctl_pushbuf_call(struct drm_device *dev, void *data,
 		goto out;
 	}
 
-	/* Validate DMA push buffer */
-	gem = drm_gem_object_lookup(dev, file_priv, req->handle);
-	if (!gem) {
-		NV_ERROR(dev, "Unknown pb handle 0x%08x\n", req->handle);
-		ret = -EINVAL;
-		goto out;
-	}
-	pbbo = nouveau_gem_object(gem);
-
-	if ((req->offset & 3) || req->nr_dwords < 2 ||
-	    (unsigned long)req->offset > (unsigned long)pbbo->bo.mem.size ||
-	    (unsigned long)req->nr_dwords >
-	     ((unsigned long)(pbbo->bo.mem.size - req->offset ) >> 2)) {
-		NV_ERROR(dev, "pb call misaligned or out of bounds: "
-			      "%d + %d * 4 > %ld\n",
-			 req->offset, req->nr_dwords, pbbo->bo.mem.size);
-		ret = -EINVAL;
-		drm_gem_object_unreference(gem);
-		goto out;
-	}
-
-	ret = ttm_bo_reserve(&pbbo->bo, false, false, true,
-			     chan->fence.sequence);
-	if (ret) {
-		NV_ERROR(dev, "resv pb: %d\n", ret);
-		drm_gem_object_unreference(gem);
-		goto out;
-	}
-
-	nouveau_bo_placement_set(pbbo, 1 << chan->pushbuf_bo->bo.mem.mem_type);
-	ret = ttm_bo_validate(&pbbo->bo, &pbbo->placement, false, false);
-	if (ret) {
-		NV_ERROR(dev, "validate pb: %d\n", ret);
-		ttm_bo_unreserve(&pbbo->bo);
-		drm_gem_object_unreference(gem);
-		goto out;
-	}
-
-	list_add_tail(&pbbo->entry, &op.both_list);
-
-	/* If presumed return address doesn't match, we need to map the
-	 * push buffer and fix it..
-	 */
-	if (!PUSHBUF_CAL) {
-		uint32_t retaddy;
-
-		if (chan->dma.free < 4 + NOUVEAU_DMA_SKIPS) {
-			ret = nouveau_dma_wait(chan, 4 + NOUVEAU_DMA_SKIPS);
-			if (ret) {
-				NV_ERROR(dev, "jmp_space: %d\n", ret);
-				goto out;
-			}
-		}
-
-		retaddy  = chan->pushbuf_base + ((chan->dma.cur + 2) << 2);
-		retaddy |= 0x20000000;
-		if (retaddy != req->suffix0) {
-			req->suffix0 = retaddy;
-			do_reloc = 1;
-		}
-	}
-
 	/* Apply any relocations that are required */
 	if (do_reloc) {
-		void *pbvirt;
-		bool is_iomem;
-		ret = ttm_bo_kmap(&pbbo->bo, 0, pbbo->bo.mem.num_pages,
-				  &pbbo->kmap);
+		ret = nouveau_gem_pushbuf_reloc_apply(dev, req, bo);
 		if (ret) {
-			NV_ERROR(dev, "kmap pb: %d\n", ret);
+			NV_ERROR(dev, "reloc apply: %d\n", ret);
 			goto out;
 		}
+	}
 
-		pbvirt = ttm_kmap_obj_virtual(&pbbo->kmap, &is_iomem);
-		ret = nouveau_gem_pushbuf_reloc_apply(chan, req->nr_buffers, bo,
-						      req->nr_relocs,
-						      req->relocs,
-						      req->nr_dwords,
-						      req->offset / 4,
-						      pbvirt, is_iomem);
-
-		if (!PUSHBUF_CAL) {
-			nouveau_bo_wr32(pbbo,
-					req->offset / 4 + req->nr_dwords - 2,
-					req->suffix0);
-		}
-
-		ttm_bo_kunmap(&pbbo->kmap);
+	if (chan->dma.ib_max) {
+		ret = nouveau_dma_wait(chan, req->nr_push + 1, 6);
 		if (ret) {
-			NV_ERROR(dev, "reloc apply: %d\n", ret);
+			NV_INFO(dev, "nv50cal_space: %d\n", ret);
 			goto out;
 		}
-	}
 
-	if (PUSHBUF_CAL) {
-		ret = RING_SPACE(chan, 2);
+		for (i = 0; i < req->nr_push; i++) {
+			struct nouveau_bo *nvbo = (void *)(unsigned long)
+				bo[push[i].bo_index].user_priv;
+
+			nv50_dma_push(chan, nvbo, push[i].offset,
+				      push[i].length);
+		}
+	} else
+	if (dev_priv->card_type >= NV_20) {
+		ret = RING_SPACE(chan, req->nr_push * 2);
 		if (ret) {
 			NV_ERROR(dev, "cal_space: %d\n", ret);
 			goto out;
 		}
-		OUT_RING(chan, ((pbbo->bo.mem.mm_node->start << PAGE_SHIFT) +
-				  req->offset) | 2);
-		OUT_RING(chan, 0);
+
+		for (i = 0; i < req->nr_push; i++) {
+			struct nouveau_bo *nvbo = (void *)(unsigned long)
+				bo[push[i].bo_index].user_priv;
+			struct drm_mm_node *mem = nvbo->bo.mem.mm_node;
+
+			OUT_RING(chan, ((mem->start << PAGE_SHIFT) +
+					push[i].offset) | 2);
+			OUT_RING(chan, 0);
+		}
 	} else {
-		ret = RING_SPACE(chan, 2 + NOUVEAU_DMA_SKIPS);
+		ret = RING_SPACE(chan, req->nr_push * (2 + NOUVEAU_DMA_SKIPS));
 		if (ret) {
 			NV_ERROR(dev, "jmp_space: %d\n", ret);
 			goto out;
 		}
-		OUT_RING(chan, ((pbbo->bo.mem.mm_node->start << PAGE_SHIFT) +
-				  req->offset) | 0x20000000);
-		OUT_RING(chan, 0);
 
-		/* Space the jumps apart with NOPs. */
-		for (i = 0; i < NOUVEAU_DMA_SKIPS; i++)
+		for (i = 0; i < req->nr_push; i++) {
+			struct nouveau_bo *nvbo = (void *)(unsigned long)
+				bo[push[i].bo_index].user_priv;
+			struct drm_mm_node *mem = nvbo->bo.mem.mm_node;
+			uint32_t cmd;
+
+			cmd = chan->pushbuf_base + ((chan->dma.cur + 2) << 2);
+			cmd |= 0x20000000;
+			if (unlikely(cmd != req->suffix0)) {
+				if (!nvbo->kmap.virtual) {
+					ret = ttm_bo_kmap(&nvbo->bo, 0,
+							  nvbo->bo.mem.
+							  num_pages,
+							  &nvbo->kmap);
+					if (ret) {
+						WIND_RING(chan);
+						goto out;
+					}
+					nvbo->validate_mapped = true;
+				}
+
+				nouveau_bo_wr32(nvbo, (push[i].offset +
+						push[i].length - 8) / 4, cmd);
+			}
+
+			OUT_RING(chan, ((mem->start << PAGE_SHIFT) +
+					push[i].offset) | 0x20000000);
 			OUT_RING(chan, 0);
+			for (j = 0; j < NOUVEAU_DMA_SKIPS; j++)
+				OUT_RING(chan, 0);
+		}
 	}
 
 	ret = nouveau_fence_new(chan, &fence, true);
@@ -790,9 +720,14 @@ out:
 	nouveau_fence_unref((void**)&fence);
 	mutex_unlock(&dev->struct_mutex);
 	kfree(bo);
+	kfree(push);
 
 out_next:
-	if (PUSHBUF_CAL) {
+	if (chan->dma.ib_max) {
+		req->suffix0 = 0x00000000;
+		req->suffix1 = 0x00000000;
+	} else
+	if (dev_priv->card_type >= NV_20) {
 		req->suffix0 = 0x00020000;
 		req->suffix1 = 0x00000000;
 	} else {
@@ -804,19 +739,6 @@ out_next:
 	return ret;
 }
 
-int
-nouveau_gem_ioctl_pushbuf_call2(struct drm_device *dev, void *data,
-				struct drm_file *file_priv)
-{
-	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct drm_nouveau_gem_pushbuf_call *req = data;
-
-	req->vram_available = dev_priv->fb_aper_free;
-	req->gart_available = dev_priv->gart_info.aper_free;
-
-	return nouveau_gem_ioctl_pushbuf_call(dev, data, file_priv);
-}
-
 static inline uint32_t
 domain_to_ttm(struct nouveau_bo *nvbo, uint32_t domain)
 {
@@ -831,74 +753,6 @@ domain_to_ttm(struct nouveau_bo *nvbo, uint32_t domain)
 }
 
 int
-nouveau_gem_ioctl_pin(struct drm_device *dev, void *data,
-		      struct drm_file *file_priv)
-{
-	struct drm_nouveau_gem_pin *req = data;
-	struct drm_gem_object *gem;
-	struct nouveau_bo *nvbo;
-	int ret = 0;
-
-	NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
-
-	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
-		NV_ERROR(dev, "pin only allowed without kernel modesetting\n");
-		return -EINVAL;
-	}
-
-	if (!DRM_SUSER(DRM_CURPROC))
-		return -EPERM;
-
-	gem = drm_gem_object_lookup(dev, file_priv, req->handle);
-	if (!gem)
-		return -EINVAL;
-	nvbo = nouveau_gem_object(gem);
-
-	ret = nouveau_bo_pin(nvbo, domain_to_ttm(nvbo, req->domain));
-	if (ret)
-		goto out;
-
-	req->offset = nvbo->bo.offset;
-	if (nvbo->bo.mem.mem_type == TTM_PL_TT)
-		req->domain = NOUVEAU_GEM_DOMAIN_GART;
-	else
-		req->domain = NOUVEAU_GEM_DOMAIN_VRAM;
-
-out:
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(gem);
-	mutex_unlock(&dev->struct_mutex);
-
-	return ret;
-}
-
-int
-nouveau_gem_ioctl_unpin(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	struct drm_nouveau_gem_pin *req = data;
-	struct drm_gem_object *gem;
-	int ret;
-
-	NOUVEAU_CHECK_INITIALISED_WITH_RETURN;
-
-	if (drm_core_check_feature(dev, DRIVER_MODESET))
-		return -EINVAL;
-
-	gem = drm_gem_object_lookup(dev, file_priv, req->handle);
-	if (!gem)
-		return -EINVAL;
-
-	ret = nouveau_bo_unpin(nouveau_gem_object(gem));
-
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(gem);
-	mutex_unlock(&dev->struct_mutex);
-
-	return ret;
-}
-
-int
 nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
 			   struct drm_file *file_priv)
 {
@@ -935,9 +789,7 @@ nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
 	}
 
 out:
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(gem);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(gem);
 	return ret;
 }
 
@@ -965,9 +817,7 @@ nouveau_gem_ioctl_cpu_fini(struct drm_device *dev, void *data,
 	ret = 0;
 
 out:
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(gem);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(gem);
 	return ret;
 }
 
@@ -986,9 +836,7 @@ nouveau_gem_ioctl_info(struct drm_device *dev, void *data,
 		return -EINVAL;
 
 	ret = nouveau_gem_info(gem, req);
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(gem);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(gem);
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_hw.c b/drivers/gpu/drm/nouveau/nouveau_hw.c
index dc46792a5c96..7855b35effc3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_hw.c
+++ b/drivers/gpu/drm/nouveau/nouveau_hw.c
@@ -160,7 +160,7 @@ static void
 setPLL_single(struct drm_device *dev, uint32_t reg, struct nouveau_pll_vals *pv)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	int chip_version = dev_priv->vbios->chip_version;
+	int chip_version = dev_priv->vbios.chip_version;
 	uint32_t oldpll = NVReadRAMDAC(dev, 0, reg);
 	int oldN = (oldpll >> 8) & 0xff, oldM = oldpll & 0xff;
 	uint32_t pll = (oldpll & 0xfff80000) | pv->log2P << 16 | pv->NM1;
@@ -216,7 +216,7 @@ setPLL_double_highregs(struct drm_device *dev, uint32_t reg1,
 		       struct nouveau_pll_vals *pv)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	int chip_version = dev_priv->vbios->chip_version;
+	int chip_version = dev_priv->vbios.chip_version;
 	bool nv3035 = chip_version == 0x30 || chip_version == 0x35;
 	uint32_t reg2 = reg1 + ((reg1 == NV_RAMDAC_VPLL2) ? 0x5c : 0x70);
 	uint32_t oldpll1 = NVReadRAMDAC(dev, 0, reg1);
@@ -374,7 +374,7 @@ nouveau_hw_setpll(struct drm_device *dev, uint32_t reg1,
 		  struct nouveau_pll_vals *pv)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	int cv = dev_priv->vbios->chip_version;
+	int cv = dev_priv->vbios.chip_version;
 
 	if (cv == 0x30 || cv == 0x31 || cv == 0x35 || cv == 0x36 ||
 	    cv >= 0x40) {
diff --git a/drivers/gpu/drm/nouveau/nouveau_i2c.c b/drivers/gpu/drm/nouveau/nouveau_i2c.c
index 70e994d28122..88583e7bf651 100644
--- a/drivers/gpu/drm/nouveau/nouveau_i2c.c
+++ b/drivers/gpu/drm/nouveau/nouveau_i2c.c
@@ -254,16 +254,16 @@ struct nouveau_i2c_chan *
 nouveau_i2c_find(struct drm_device *dev, int index)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 
-	if (index > DCB_MAX_NUM_I2C_ENTRIES)
+	if (index >= DCB_MAX_NUM_I2C_ENTRIES)
 		return NULL;
 
-	if (!bios->bdcb.dcb.i2c[index].chan) {
-		if (nouveau_i2c_init(dev, &bios->bdcb.dcb.i2c[index], index))
+	if (!bios->dcb.i2c[index].chan) {
+		if (nouveau_i2c_init(dev, &bios->dcb.i2c[index], index))
 			return NULL;
 	}
 
-	return bios->bdcb.dcb.i2c[index].chan;
+	return bios->dcb.i2c[index].chan;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c
index 447f9f69d6b1..2bd59a92fee5 100644
--- a/drivers/gpu/drm/nouveau/nouveau_irq.c
+++ b/drivers/gpu/drm/nouveau/nouveau_irq.c
@@ -311,6 +311,31 @@ nouveau_print_bitfield_names_(uint32_t value,
 #define nouveau_print_bitfield_names(val, namelist) \
 	nouveau_print_bitfield_names_((val), (namelist), ARRAY_SIZE(namelist))
 
+struct nouveau_enum_names {
+	uint32_t value;
+	const char *name;
+};
+
+static void
+nouveau_print_enum_names_(uint32_t value,
+				const struct nouveau_enum_names *namelist,
+				const int namelist_len)
+{
+	/*
+	 * Caller must have already printed the KERN_* log level for us.
+	 * Also the caller is responsible for adding the newline.
+	 */
+	int i;
+	for (i = 0; i < namelist_len; ++i) {
+		if (value == namelist[i].value) {
+			printk("%s", namelist[i].name);
+			return;
+		}
+	}
+	printk("unknown value 0x%08x", value);
+}
+#define nouveau_print_enum_names(val, namelist) \
+	nouveau_print_enum_names_((val), (namelist), ARRAY_SIZE(namelist))
 
 static int
 nouveau_graph_chid_from_grctx(struct drm_device *dev)
@@ -427,14 +452,16 @@ nouveau_graph_dump_trap_info(struct drm_device *dev, const char *id,
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	uint32_t nsource = trap->nsource, nstatus = trap->nstatus;
 
-	NV_INFO(dev, "%s - nSource:", id);
-	nouveau_print_bitfield_names(nsource, nsource_names);
-	printk(", nStatus:");
-	if (dev_priv->card_type < NV_10)
-		nouveau_print_bitfield_names(nstatus, nstatus_names);
-	else
-		nouveau_print_bitfield_names(nstatus, nstatus_names_nv10);
-	printk("\n");
+	if (dev_priv->card_type < NV_50) {
+		NV_INFO(dev, "%s - nSource:", id);
+		nouveau_print_bitfield_names(nsource, nsource_names);
+		printk(", nStatus:");
+		if (dev_priv->card_type < NV_10)
+			nouveau_print_bitfield_names(nstatus, nstatus_names);
+		else
+			nouveau_print_bitfield_names(nstatus, nstatus_names_nv10);
+		printk("\n");
+	}
 
 	NV_INFO(dev, "%s - Ch %d/%d Class 0x%04x Mthd 0x%04x "
 					"Data 0x%08x:0x%08x\n",
@@ -578,27 +605,502 @@ nouveau_pgraph_irq_handler(struct drm_device *dev)
 }
 
 static void
+nv50_pfb_vm_trap(struct drm_device *dev, int display, const char *name)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	uint32_t trap[6];
+	int i, ch;
+	uint32_t idx = nv_rd32(dev, 0x100c90);
+	if (idx & 0x80000000) {
+		idx &= 0xffffff;
+		if (display) {
+			for (i = 0; i < 6; i++) {
+				nv_wr32(dev, 0x100c90, idx | i << 24);
+				trap[i] = nv_rd32(dev, 0x100c94);
+			}
+			for (ch = 0; ch < dev_priv->engine.fifo.channels; ch++) {
+				struct nouveau_channel *chan = dev_priv->fifos[ch];
+
+				if (!chan || !chan->ramin)
+					continue;
+
+				if (trap[1] == chan->ramin->instance >> 12)
+					break;
+			}
+			NV_INFO(dev, "%s - VM: Trapped %s at %02x%04x%04x status %08x %08x channel %d\n",
+					name, (trap[5]&0x100?"read":"write"),
+					trap[5]&0xff, trap[4]&0xffff,
+					trap[3]&0xffff, trap[0], trap[2], ch);
+		}
+		nv_wr32(dev, 0x100c90, idx | 0x80000000);
+	} else if (display) {
+		NV_INFO(dev, "%s - no VM fault?\n", name);
+	}
+}
+
+static struct nouveau_enum_names nv50_mp_exec_error_names[] =
+{
+	{ 3, "STACK_UNDERFLOW" },
+	{ 4, "QUADON_ACTIVE" },
+	{ 8, "TIMEOUT" },
+	{ 0x10, "INVALID_OPCODE" },
+	{ 0x40, "BREAKPOINT" },
+};
+
+static void
+nv50_pgraph_mp_trap(struct drm_device *dev, int tpid, int display)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	uint32_t units = nv_rd32(dev, 0x1540);
+	uint32_t addr, mp10, status, pc, oplow, ophigh;
+	int i;
+	int mps = 0;
+	for (i = 0; i < 4; i++) {
+		if (!(units & 1 << (i+24)))
+			continue;
+		if (dev_priv->chipset < 0xa0)
+			addr = 0x408200 + (tpid << 12) + (i << 7);
+		else
+			addr = 0x408100 + (tpid << 11) + (i << 7);
+		mp10 = nv_rd32(dev, addr + 0x10);
+		status = nv_rd32(dev, addr + 0x14);
+		if (!status)
+			continue;
+		if (display) {
+			nv_rd32(dev, addr + 0x20);
+			pc = nv_rd32(dev, addr + 0x24);
+			oplow = nv_rd32(dev, addr + 0x70);
+			ophigh= nv_rd32(dev, addr + 0x74);
+			NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - "
+					"TP %d MP %d: ", tpid, i);
+			nouveau_print_enum_names(status,
+					nv50_mp_exec_error_names);
+			printk(" at %06x warp %d, opcode %08x %08x\n",
+					pc&0xffffff, pc >> 24,
+					oplow, ophigh);
+		}
+		nv_wr32(dev, addr + 0x10, mp10);
+		nv_wr32(dev, addr + 0x14, 0);
+		mps++;
+	}
+	if (!mps && display)
+		NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - TP %d: "
+				"No MPs claiming errors?\n", tpid);
+}
+
+static void
+nv50_pgraph_tp_trap(struct drm_device *dev, int type, uint32_t ustatus_old,
+		uint32_t ustatus_new, int display, const char *name)
+{
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	int tps = 0;
+	uint32_t units = nv_rd32(dev, 0x1540);
+	int i, r;
+	uint32_t ustatus_addr, ustatus;
+	for (i = 0; i < 16; i++) {
+		if (!(units & (1 << i)))
+			continue;
+		if (dev_priv->chipset < 0xa0)
+			ustatus_addr = ustatus_old + (i << 12);
+		else
+			ustatus_addr = ustatus_new + (i << 11);
+		ustatus = nv_rd32(dev, ustatus_addr) & 0x7fffffff;
+		if (!ustatus)
+			continue;
+		tps++;
+		switch (type) {
+		case 6: /* texture error... unknown for now */
+			nv50_pfb_vm_trap(dev, display, name);
+			if (display) {
+				NV_ERROR(dev, "magic set %d:\n", i);
+				for (r = ustatus_addr + 4; r <= ustatus_addr + 0x10; r += 4)
+					NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
+						nv_rd32(dev, r));
+			}
+			break;
+		case 7: /* MP error */
+			if (ustatus & 0x00010000) {
+				nv50_pgraph_mp_trap(dev, i, display);
+				ustatus &= ~0x00010000;
+			}
+			break;
+		case 8: /* TPDMA error */
+			{
+			uint32_t e0c = nv_rd32(dev, ustatus_addr + 4);
+			uint32_t e10 = nv_rd32(dev, ustatus_addr + 8);
+			uint32_t e14 = nv_rd32(dev, ustatus_addr + 0xc);
+			uint32_t e18 = nv_rd32(dev, ustatus_addr + 0x10);
+			uint32_t e1c = nv_rd32(dev, ustatus_addr + 0x14);
+			uint32_t e20 = nv_rd32(dev, ustatus_addr + 0x18);
+			uint32_t e24 = nv_rd32(dev, ustatus_addr + 0x1c);
+			nv50_pfb_vm_trap(dev, display, name);
+			/* 2d engine destination */
+			if (ustatus & 0x00000010) {
+				if (display) {
+					NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - Unknown fault at address %02x%08x\n",
+							i, e14, e10);
+					NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
+							i, e0c, e18, e1c, e20, e24);
+				}
+				ustatus &= ~0x00000010;
+			}
+			/* Render target */
+			if (ustatus & 0x00000040) {
+				if (display) {
+					NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - Unknown fault at address %02x%08x\n",
+							i, e14, e10);
+					NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
+							i, e0c, e18, e1c, e20, e24);
+				}
+				ustatus &= ~0x00000040;
+			}
+			/* CUDA memory: l[], g[] or stack. */
+			if (ustatus & 0x00000080) {
+				if (display) {
+					if (e18 & 0x80000000) {
+						/* g[] read fault? */
+						NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global read fault at address %02x%08x\n",
+								i, e14, e10 | ((e18 >> 24) & 0x1f));
+						e18 &= ~0x1f000000;
+					} else if (e18 & 0xc) {
+						/* g[] write fault? */
+						NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global write fault at address %02x%08x\n",
+								i, e14, e10 | ((e18 >> 7) & 0x1f));
+						e18 &= ~0x00000f80;
+					} else {
+						NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Unknown CUDA fault at address %02x%08x\n",
+								i, e14, e10);
+					}
+					NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
+							i, e0c, e18, e1c, e20, e24);
+				}
+				ustatus &= ~0x00000080;
+			}
+			}
+			break;
+		}
+		if (ustatus) {
+			if (display)
+				NV_INFO(dev, "%s - TP%d: Unhandled ustatus 0x%08x\n", name, i, ustatus);
+		}
+		nv_wr32(dev, ustatus_addr, 0xc0000000);
+	}
+
+	if (!tps && display)
+		NV_INFO(dev, "%s - No TPs claiming errors?\n", name);
+}
+
+static void
+nv50_pgraph_trap_handler(struct drm_device *dev)
+{
+	struct nouveau_pgraph_trap trap;
+	uint32_t status = nv_rd32(dev, 0x400108);
+	uint32_t ustatus;
+	int display = nouveau_ratelimit();
+
+
+	if (!status && display) {
+		nouveau_graph_trap_info(dev, &trap);
+		nouveau_graph_dump_trap_info(dev, "PGRAPH_TRAP", &trap);
+		NV_INFO(dev, "PGRAPH_TRAP - no units reporting traps?\n");
+	}
+
+	/* DISPATCH: Relays commands to other units and handles NOTIFY,
+	 * COND, QUERY. If you get a trap from it, the command is still stuck
+	 * in DISPATCH and you need to do something about it. */
+	if (status & 0x001) {
+		ustatus = nv_rd32(dev, 0x400804) & 0x7fffffff;
+		if (!ustatus && display) {
+			NV_INFO(dev, "PGRAPH_TRAP_DISPATCH - no ustatus?\n");
+		}
+
+		/* Known to be triggered by screwed up NOTIFY and COND... */
+		if (ustatus & 0x00000001) {
+			nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_DISPATCH_FAULT");
+			nv_wr32(dev, 0x400500, 0);
+			if (nv_rd32(dev, 0x400808) & 0x80000000) {
+				if (display) {
+					if (nouveau_graph_trapped_channel(dev, &trap.channel))
+						trap.channel = -1;
+					trap.class = nv_rd32(dev, 0x400814);
+					trap.mthd = nv_rd32(dev, 0x400808) & 0x1ffc;
+					trap.subc = (nv_rd32(dev, 0x400808) >> 16) & 0x7;
+					trap.data = nv_rd32(dev, 0x40080c);
+					trap.data2 = nv_rd32(dev, 0x400810);
+					nouveau_graph_dump_trap_info(dev,
+							"PGRAPH_TRAP_DISPATCH_FAULT", &trap);
+					NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_FAULT - 400808: %08x\n", nv_rd32(dev, 0x400808));
+					NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_FAULT - 400848: %08x\n", nv_rd32(dev, 0x400848));
+				}
+				nv_wr32(dev, 0x400808, 0);
+			} else if (display) {
+				NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_FAULT - No stuck command?\n");
+			}
+			nv_wr32(dev, 0x4008e8, nv_rd32(dev, 0x4008e8) & 3);
+			nv_wr32(dev, 0x400848, 0);
+			ustatus &= ~0x00000001;
+		}
+		if (ustatus & 0x00000002) {
+			nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_DISPATCH_QUERY");
+			nv_wr32(dev, 0x400500, 0);
+			if (nv_rd32(dev, 0x40084c) & 0x80000000) {
+				if (display) {
+					if (nouveau_graph_trapped_channel(dev, &trap.channel))
+						trap.channel = -1;
+					trap.class = nv_rd32(dev, 0x400814);
+					trap.mthd = nv_rd32(dev, 0x40084c) & 0x1ffc;
+					trap.subc = (nv_rd32(dev, 0x40084c) >> 16) & 0x7;
+					trap.data = nv_rd32(dev, 0x40085c);
+					trap.data2 = 0;
+					nouveau_graph_dump_trap_info(dev,
+							"PGRAPH_TRAP_DISPATCH_QUERY", &trap);
+					NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_QUERY - 40084c: %08x\n", nv_rd32(dev, 0x40084c));
+				}
+				nv_wr32(dev, 0x40084c, 0);
+			} else if (display) {
+				NV_INFO(dev, "PGRAPH_TRAP_DISPATCH_QUERY - No stuck command?\n");
+			}
+			ustatus &= ~0x00000002;
+		}
+		if (ustatus && display)
+			NV_INFO(dev, "PGRAPH_TRAP_DISPATCH - Unhandled ustatus 0x%08x\n", ustatus);
+		nv_wr32(dev, 0x400804, 0xc0000000);
+		nv_wr32(dev, 0x400108, 0x001);
+		status &= ~0x001;
+	}
+
+	/* TRAPs other than dispatch use the "normal" trap regs. */
+	if (status && display) {
+		nouveau_graph_trap_info(dev, &trap);
+		nouveau_graph_dump_trap_info(dev,
+				"PGRAPH_TRAP", &trap);
+	}
+
+	/* M2MF: Memory to memory copy engine. */
+	if (status & 0x002) {
+		ustatus = nv_rd32(dev, 0x406800) & 0x7fffffff;
+		if (!ustatus && display) {
+			NV_INFO(dev, "PGRAPH_TRAP_M2MF - no ustatus?\n");
+		}
+		if (ustatus & 0x00000001) {
+			nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_M2MF_NOTIFY");
+			ustatus &= ~0x00000001;
+		}
+		if (ustatus & 0x00000002) {
+			nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_M2MF_IN");
+			ustatus &= ~0x00000002;
+		}
+		if (ustatus & 0x00000004) {
+			nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_M2MF_OUT");
+			ustatus &= ~0x00000004;
+		}
+		NV_INFO (dev, "PGRAPH_TRAP_M2MF - %08x %08x %08x %08x\n",
+				nv_rd32(dev, 0x406804),
+				nv_rd32(dev, 0x406808),
+				nv_rd32(dev, 0x40680c),
+				nv_rd32(dev, 0x406810));
+		if (ustatus && display)
+			NV_INFO(dev, "PGRAPH_TRAP_M2MF - Unhandled ustatus 0x%08x\n", ustatus);
+		/* No sane way found yet -- just reset the bugger. */
+		nv_wr32(dev, 0x400040, 2);
+		nv_wr32(dev, 0x400040, 0);
+		nv_wr32(dev, 0x406800, 0xc0000000);
+		nv_wr32(dev, 0x400108, 0x002);
+		status &= ~0x002;
+	}
+
+	/* VFETCH: Fetches data from vertex buffers. */
+	if (status & 0x004) {
+		ustatus = nv_rd32(dev, 0x400c04) & 0x7fffffff;
+		if (!ustatus && display) {
+			NV_INFO(dev, "PGRAPH_TRAP_VFETCH - no ustatus?\n");
+		}
+		if (ustatus & 0x00000001) {
+			nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_VFETCH_FAULT");
+			NV_INFO (dev, "PGRAPH_TRAP_VFETCH_FAULT - %08x %08x %08x %08x\n",
+					nv_rd32(dev, 0x400c00),
+					nv_rd32(dev, 0x400c08),
+					nv_rd32(dev, 0x400c0c),
+					nv_rd32(dev, 0x400c10));
+			ustatus &= ~0x00000001;
+		}
+		if (ustatus && display)
+			NV_INFO(dev, "PGRAPH_TRAP_VFETCH - Unhandled ustatus 0x%08x\n", ustatus);
+		nv_wr32(dev, 0x400c04, 0xc0000000);
+		nv_wr32(dev, 0x400108, 0x004);
+		status &= ~0x004;
+	}
+
+	/* STRMOUT: DirectX streamout / OpenGL transform feedback. */
+	if (status & 0x008) {
+		ustatus = nv_rd32(dev, 0x401800) & 0x7fffffff;
+		if (!ustatus && display) {
+			NV_INFO(dev, "PGRAPH_TRAP_STRMOUT - no ustatus?\n");
+		}
+		if (ustatus & 0x00000001) {
+			nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_STRMOUT_FAULT");
+			NV_INFO (dev, "PGRAPH_TRAP_STRMOUT_FAULT - %08x %08x %08x %08x\n",
+					nv_rd32(dev, 0x401804),
+					nv_rd32(dev, 0x401808),
+					nv_rd32(dev, 0x40180c),
+					nv_rd32(dev, 0x401810));
+			ustatus &= ~0x00000001;
+		}
+		if (ustatus && display)
+			NV_INFO(dev, "PGRAPH_TRAP_STRMOUT - Unhandled ustatus 0x%08x\n", ustatus);
+		/* No sane way found yet -- just reset the bugger. */
+		nv_wr32(dev, 0x400040, 0x80);
+		nv_wr32(dev, 0x400040, 0);
+		nv_wr32(dev, 0x401800, 0xc0000000);
+		nv_wr32(dev, 0x400108, 0x008);
+		status &= ~0x008;
+	}
+
+	/* CCACHE: Handles code and c[] caches and fills them. */
+	if (status & 0x010) {
+		ustatus = nv_rd32(dev, 0x405018) & 0x7fffffff;
+		if (!ustatus && display) {
+			NV_INFO(dev, "PGRAPH_TRAP_CCACHE - no ustatus?\n");
+		}
+		if (ustatus & 0x00000001) {
+			nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_CCACHE_FAULT");
+			NV_INFO (dev, "PGRAPH_TRAP_CCACHE_FAULT - %08x %08x %08x %08x %08x %08x %08x\n",
+					nv_rd32(dev, 0x405800),
+					nv_rd32(dev, 0x405804),
+					nv_rd32(dev, 0x405808),
+					nv_rd32(dev, 0x40580c),
+					nv_rd32(dev, 0x405810),
+					nv_rd32(dev, 0x405814),
+					nv_rd32(dev, 0x40581c));
+			ustatus &= ~0x00000001;
+		}
+		if (ustatus && display)
+			NV_INFO(dev, "PGRAPH_TRAP_CCACHE - Unhandled ustatus 0x%08x\n", ustatus);
+		nv_wr32(dev, 0x405018, 0xc0000000);
+		nv_wr32(dev, 0x400108, 0x010);
+		status &= ~0x010;
+	}
+
+	/* Unknown, not seen yet... 0x402000 is the only trap status reg
+	 * remaining, so try to handle it anyway. Perhaps related to that
+	 * unknown DMA slot on tesla? */
+	if (status & 0x20) {
+		nv50_pfb_vm_trap(dev, display, "PGRAPH_TRAP_UNKC04");
+		ustatus = nv_rd32(dev, 0x402000) & 0x7fffffff;
+		if (display)
+			NV_INFO(dev, "PGRAPH_TRAP_UNKC04 - Unhandled ustatus 0x%08x\n", ustatus);
+		nv_wr32(dev, 0x402000, 0xc0000000);
+		/* no status modifiction on purpose */
+	}
+
+	/* TEXTURE: CUDA texturing units */
+	if (status & 0x040) {
+		nv50_pgraph_tp_trap (dev, 6, 0x408900, 0x408600, display,
+				"PGRAPH_TRAP_TEXTURE");
+		nv_wr32(dev, 0x400108, 0x040);
+		status &= ~0x040;
+	}
+
+	/* MP: CUDA execution engines. */
+	if (status & 0x080) {
+		nv50_pgraph_tp_trap (dev, 7, 0x408314, 0x40831c, display,
+				"PGRAPH_TRAP_MP");
+		nv_wr32(dev, 0x400108, 0x080);
+		status &= ~0x080;
+	}
+
+	/* TPDMA:  Handles TP-initiated uncached memory accesses:
+	 * l[], g[], stack, 2d surfaces, render targets. */
+	if (status & 0x100) {
+		nv50_pgraph_tp_trap (dev, 8, 0x408e08, 0x408708, display,
+				"PGRAPH_TRAP_TPDMA");
+		nv_wr32(dev, 0x400108, 0x100);
+		status &= ~0x100;
+	}
+
+	if (status) {
+		if (display)
+			NV_INFO(dev, "PGRAPH_TRAP - Unknown trap 0x%08x\n",
+				status);
+		nv_wr32(dev, 0x400108, status);
+	}
+}
+
+/* There must be a *lot* of these. Will take some time to gather them up. */
+static struct nouveau_enum_names nv50_data_error_names[] =
+{
+	{ 4,	"INVALID_VALUE" },
+	{ 5,	"INVALID_ENUM" },
+	{ 8,	"INVALID_OBJECT" },
+	{ 0xc,	"INVALID_BITFIELD" },
+	{ 0x28,	"MP_NO_REG_SPACE" },
+	{ 0x2b,	"MP_BLOCK_SIZE_MISMATCH" },
+};
+
+static void
 nv50_pgraph_irq_handler(struct drm_device *dev)
 {
+	struct nouveau_pgraph_trap trap;
+	int unhandled = 0;
 	uint32_t status;
 
 	while ((status = nv_rd32(dev, NV03_PGRAPH_INTR))) {
-		uint32_t nsource = nv_rd32(dev, NV03_PGRAPH_NSOURCE);
-
+		/* NOTIFY: You've set a NOTIFY an a command and it's done. */
 		if (status & 0x00000001) {
-			nouveau_pgraph_intr_notify(dev, nsource);
+			nouveau_graph_trap_info(dev, &trap);
+			if (nouveau_ratelimit())
+				nouveau_graph_dump_trap_info(dev,
+						"PGRAPH_NOTIFY", &trap);
 			status &= ~0x00000001;
 			nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000001);
 		}
 
-		if (status & 0x00000010) {
-			nouveau_pgraph_intr_error(dev, nsource |
-					NV03_PGRAPH_NSOURCE_ILLEGAL_MTHD);
+		/* COMPUTE_QUERY: Purpose and exact cause unknown, happens
+		 * when you write 0x200 to 0x50c0 method 0x31c. */
+		if (status & 0x00000002) {
+			nouveau_graph_trap_info(dev, &trap);
+			if (nouveau_ratelimit())
+				nouveau_graph_dump_trap_info(dev,
+						"PGRAPH_COMPUTE_QUERY", &trap);
+			status &= ~0x00000002;
+			nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000002);
+		}
+
+		/* Unknown, never seen: 0x4 */
 
+		/* ILLEGAL_MTHD: You used a wrong method for this class. */
+		if (status & 0x00000010) {
+			nouveau_graph_trap_info(dev, &trap);
+			if (nouveau_pgraph_intr_swmthd(dev, &trap))
+				unhandled = 1;
+			if (unhandled && nouveau_ratelimit())
+				nouveau_graph_dump_trap_info(dev,
+						"PGRAPH_ILLEGAL_MTHD", &trap);
 			status &= ~0x00000010;
 			nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000010);
 		}
 
+		/* ILLEGAL_CLASS: You used a wrong class. */
+		if (status & 0x00000020) {
+			nouveau_graph_trap_info(dev, &trap);
+			if (nouveau_ratelimit())
+				nouveau_graph_dump_trap_info(dev,
+						"PGRAPH_ILLEGAL_CLASS", &trap);
+			status &= ~0x00000020;
+			nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000020);
+		}
+
+		/* DOUBLE_NOTIFY: You tried to set a NOTIFY on another NOTIFY. */
+		if (status & 0x00000040) {
+			nouveau_graph_trap_info(dev, &trap);
+			if (nouveau_ratelimit())
+				nouveau_graph_dump_trap_info(dev,
+						"PGRAPH_DOUBLE_NOTIFY", &trap);
+			status &= ~0x00000040;
+			nv_wr32(dev, NV03_PGRAPH_INTR, 0x00000040);
+		}
+
+		/* CONTEXT_SWITCH: PGRAPH needs us to load a new context */
 		if (status & 0x00001000) {
 			nv_wr32(dev, 0x400500, 0x00000000);
 			nv_wr32(dev, NV03_PGRAPH_INTR,
@@ -613,49 +1115,59 @@ nv50_pgraph_irq_handler(struct drm_device *dev)
 			status &= ~NV_PGRAPH_INTR_CONTEXT_SWITCH;
 		}
 
-		if (status & 0x00100000) {
-			nouveau_pgraph_intr_error(dev, nsource |
-					NV03_PGRAPH_NSOURCE_DATA_ERROR);
+		/* BUFFER_NOTIFY: Your m2mf transfer finished */
+		if (status & 0x00010000) {
+			nouveau_graph_trap_info(dev, &trap);
+			if (nouveau_ratelimit())
+				nouveau_graph_dump_trap_info(dev,
+						"PGRAPH_BUFFER_NOTIFY", &trap);
+			status &= ~0x00010000;
+			nv_wr32(dev, NV03_PGRAPH_INTR, 0x00010000);
+		}
 
+		/* DATA_ERROR: Invalid value for this method, or invalid
+		 * state in current PGRAPH context for this operation */
+		if (status & 0x00100000) {
+			nouveau_graph_trap_info(dev, &trap);
+			if (nouveau_ratelimit()) {
+				nouveau_graph_dump_trap_info(dev,
+						"PGRAPH_DATA_ERROR", &trap);
+				NV_INFO (dev, "PGRAPH_DATA_ERROR - ");
+				nouveau_print_enum_names(nv_rd32(dev, 0x400110),
+						nv50_data_error_names);
+				printk("\n");
+			}
 			status &= ~0x00100000;
 			nv_wr32(dev, NV03_PGRAPH_INTR, 0x00100000);
 		}
 
+		/* TRAP: Something bad happened in the middle of command
+		 * execution.  Has a billion types, subtypes, and even
+		 * subsubtypes. */
 		if (status & 0x00200000) {
-			int r;
-
-			nouveau_pgraph_intr_error(dev, nsource |
-					NV03_PGRAPH_NSOURCE_PROTECTION_ERROR);
-
-			NV_ERROR(dev, "magic set 1:\n");
-			for (r = 0x408900; r <= 0x408910; r += 4)
-				NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
-					nv_rd32(dev, r));
-			nv_wr32(dev, 0x408900,
-				nv_rd32(dev, 0x408904) | 0xc0000000);
-			for (r = 0x408e08; r <= 0x408e24; r += 4)
-				NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
-							nv_rd32(dev, r));
-			nv_wr32(dev, 0x408e08,
-				nv_rd32(dev, 0x408e08) | 0xc0000000);
-
-			NV_ERROR(dev, "magic set 2:\n");
-			for (r = 0x409900; r <= 0x409910; r += 4)
-				NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
-					nv_rd32(dev, r));
-			nv_wr32(dev, 0x409900,
-				nv_rd32(dev, 0x409904) | 0xc0000000);
-			for (r = 0x409e08; r <= 0x409e24; r += 4)
-				NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
-					nv_rd32(dev, r));
-			nv_wr32(dev, 0x409e08,
-				nv_rd32(dev, 0x409e08) | 0xc0000000);
-
+			nv50_pgraph_trap_handler(dev);
 			status &= ~0x00200000;
-			nv_wr32(dev, NV03_PGRAPH_NSOURCE, nsource);
 			nv_wr32(dev, NV03_PGRAPH_INTR, 0x00200000);
 		}
 
+		/* Unknown, never seen: 0x00400000 */
+
+		/* SINGLE_STEP: Happens on every method if you turned on
+		 * single stepping in 40008c */
+		if (status & 0x01000000) {
+			nouveau_graph_trap_info(dev, &trap);
+			if (nouveau_ratelimit())
+				nouveau_graph_dump_trap_info(dev,
+						"PGRAPH_SINGLE_STEP", &trap);
+			status &= ~0x01000000;
+			nv_wr32(dev, NV03_PGRAPH_INTR, 0x01000000);
+		}
+
+		/* 0x02000000 happens when you pause a ctxprog...
+		 * but the only way this can happen that I know is by
+		 * poking the relevant MMIO register, and we don't
+		 * do that. */
+
 		if (status) {
 			NV_INFO(dev, "Unhandled PGRAPH_INTR - 0x%08x\n",
 				status);
@@ -672,7 +1184,8 @@ nv50_pgraph_irq_handler(struct drm_device *dev)
 	}
 
 	nv_wr32(dev, NV03_PMC_INTR_0, NV_PMC_INTR_0_PGRAPH_PENDING);
-	nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
+	if (nv_rd32(dev, 0x400824) & (1 << 31))
+		nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
 }
 
 static void
@@ -691,11 +1204,14 @@ nouveau_irq_handler(DRM_IRQ_ARGS)
 	struct drm_device *dev = (struct drm_device *)arg;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	uint32_t status, fbdev_flags = 0;
+	unsigned long flags;
 
 	status = nv_rd32(dev, NV03_PMC_INTR_0);
 	if (!status)
 		return IRQ_NONE;
 
+	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
+
 	if (dev_priv->fbdev_info) {
 		fbdev_flags = dev_priv->fbdev_info->flags;
 		dev_priv->fbdev_info->flags |= FBINFO_HWACCEL_DISABLED;
@@ -733,5 +1249,7 @@ nouveau_irq_handler(DRM_IRQ_ARGS)
 	if (dev_priv->fbdev_info)
 		dev_priv->fbdev_info->flags = fbdev_flags;
 
+	spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
+
 	return IRQ_HANDLED;
 }
diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c
index d99dc087f9b1..9537f3e30115 100644
--- a/drivers/gpu/drm/nouveau/nouveau_notifier.c
+++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c
@@ -61,11 +61,8 @@ nouveau_notifier_init_channel(struct nouveau_channel *chan)
 
 	chan->notifier_bo = ntfy;
 out_err:
-	if (ret) {
-		mutex_lock(&dev->struct_mutex);
-		drm_gem_object_unreference(ntfy->gem);
-		mutex_unlock(&dev->struct_mutex);
-	}
+	if (ret)
+		drm_gem_object_unreference_unlocked(ntfy->gem);
 
 	return ret;
 }
@@ -81,8 +78,8 @@ nouveau_notifier_takedown_channel(struct nouveau_channel *chan)
 	nouveau_bo_unmap(chan->notifier_bo);
 	mutex_lock(&dev->struct_mutex);
 	nouveau_bo_unpin(chan->notifier_bo);
-	drm_gem_object_unreference(chan->notifier_bo->gem);
 	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(chan->notifier_bo->gem);
 	nouveau_mem_takedown(&chan->notifier_heap);
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index a4851af5b05e..58b46807de23 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -29,12 +29,12 @@
 #include "drm_sarea.h"
 #include "drm_crtc_helper.h"
 #include <linux/vgaarb.h>
+#include <linux/vga_switcheroo.h>
 
 #include "nouveau_drv.h"
 #include "nouveau_drm.h"
 #include "nv50_display.h"
 
-static int nouveau_stub_init(struct drm_device *dev) { return 0; }
 static void nouveau_stub_takedown(struct drm_device *dev) {}
 
 static int nouveau_init_engine_ptrs(struct drm_device *dev)
@@ -276,8 +276,8 @@ static int nouveau_init_engine_ptrs(struct drm_device *dev)
 		engine->timer.init		= nv04_timer_init;
 		engine->timer.read		= nv04_timer_read;
 		engine->timer.takedown		= nv04_timer_takedown;
-		engine->fb.init			= nouveau_stub_init;
-		engine->fb.takedown		= nouveau_stub_takedown;
+		engine->fb.init			= nv50_fb_init;
+		engine->fb.takedown		= nv50_fb_takedown;
 		engine->graph.grclass		= nv50_graph_grclass;
 		engine->graph.init		= nv50_graph_init;
 		engine->graph.takedown		= nv50_graph_takedown;
@@ -371,6 +371,30 @@ out_err:
 	return ret;
 }
 
+static void nouveau_switcheroo_set_state(struct pci_dev *pdev,
+					 enum vga_switcheroo_state state)
+{
+	pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
+	if (state == VGA_SWITCHEROO_ON) {
+		printk(KERN_ERR "VGA switcheroo: switched nouveau on\n");
+		nouveau_pci_resume(pdev);
+	} else {
+		printk(KERN_ERR "VGA switcheroo: switched nouveau off\n");
+		nouveau_pci_suspend(pdev, pmm);
+	}
+}
+
+static bool nouveau_switcheroo_can_switch(struct pci_dev *pdev)
+{
+	struct drm_device *dev = pci_get_drvdata(pdev);
+	bool can_switch;
+
+	spin_lock(&dev->count_lock);
+	can_switch = (dev->open_count == 0);
+	spin_unlock(&dev->count_lock);
+	return can_switch;
+}
+
 int
 nouveau_card_init(struct drm_device *dev)
 {
@@ -384,6 +408,8 @@ nouveau_card_init(struct drm_device *dev)
 		return 0;
 
 	vga_client_register(dev->pdev, dev, NULL, nouveau_vga_set_decode);
+	vga_switcheroo_register_client(dev->pdev, nouveau_switcheroo_set_state,
+				       nouveau_switcheroo_can_switch);
 
 	/* Initialise internal driver API hooks */
 	ret = nouveau_init_engine_ptrs(dev);
@@ -391,6 +417,7 @@ nouveau_card_init(struct drm_device *dev)
 		goto out;
 	engine = &dev_priv->engine;
 	dev_priv->init_state = NOUVEAU_CARD_INIT_FAILED;
+	spin_lock_init(&dev_priv->context_switch_lock);
 
 	/* Parse BIOS tables / Run init tables if card not POSTed */
 	if (drm_core_check_feature(dev, DRIVER_MODESET)) {
@@ -617,11 +644,6 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
 	NV_DEBUG(dev, "vendor: 0x%X device: 0x%X class: 0x%X\n",
 		 dev->pci_vendor, dev->pci_device, dev->pdev->class);
 
-	dev_priv->acpi_dsm = nouveau_dsm_probe(dev);
-
-	if (dev_priv->acpi_dsm)
-		nouveau_hybrid_setup(dev);
-
 	dev_priv->wq = create_workqueue("nouveau");
 	if (!dev_priv->wq)
 		return -EINVAL;
@@ -776,13 +798,6 @@ int nouveau_unload(struct drm_device *dev)
 	return 0;
 }
 
-int
-nouveau_ioctl_card_init(struct drm_device *dev, void *data,
-			struct drm_file *file_priv)
-{
-	return nouveau_card_init(dev);
-}
-
 int nouveau_ioctl_getparam(struct drm_device *dev, void *data,
 						struct drm_file *file_priv)
 {
diff --git a/drivers/gpu/drm/nouveau/nv04_crtc.c b/drivers/gpu/drm/nouveau/nv04_crtc.c
index d2f143ed97c1..eba687f1099e 100644
--- a/drivers/gpu/drm/nouveau/nv04_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv04_crtc.c
@@ -230,9 +230,9 @@ nv_crtc_mode_set_vga(struct drm_crtc *crtc, struct drm_display_mode *mode)
 	struct drm_framebuffer *fb = crtc->fb;
 
 	/* Calculate our timings */
-	int horizDisplay	= (mode->crtc_hdisplay >> 3) 	- 1;
-	int horizStart		= (mode->crtc_hsync_start >> 3) 	- 1;
-	int horizEnd		= (mode->crtc_hsync_end >> 3) 	- 1;
+	int horizDisplay	= (mode->crtc_hdisplay >> 3)		- 1;
+	int horizStart		= (mode->crtc_hsync_start >> 3) 	+ 1;
+	int horizEnd		= (mode->crtc_hsync_end >> 3)		+ 1;
 	int horizTotal		= (mode->crtc_htotal >> 3)		- 5;
 	int horizBlankStart	= (mode->crtc_hdisplay >> 3)		- 1;
 	int horizBlankEnd	= (mode->crtc_htotal >> 3)		- 1;
@@ -926,9 +926,7 @@ nv04_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
 	nv_crtc->cursor.set_offset(nv_crtc, nv_crtc->cursor.offset);
 	nv_crtc->cursor.show(nv_crtc, true);
 out:
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(gem);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(gem);
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nv04_dac.c b/drivers/gpu/drm/nouveau/nv04_dac.c
index 1d73b15d70da..1cb19e3acb55 100644
--- a/drivers/gpu/drm/nouveau/nv04_dac.c
+++ b/drivers/gpu/drm/nouveau/nv04_dac.c
@@ -230,13 +230,13 @@ uint32_t nv17_dac_sample_load(struct drm_encoder *encoder)
 	if (dcb->type == OUTPUT_TV) {
 		testval = RGB_TEST_DATA(0xa0, 0xa0, 0xa0);
 
-		if (dev_priv->vbios->tvdactestval)
-			testval = dev_priv->vbios->tvdactestval;
+		if (dev_priv->vbios.tvdactestval)
+			testval = dev_priv->vbios.tvdactestval;
 	} else {
 		testval = RGB_TEST_DATA(0x140, 0x140, 0x140); /* 0x94050140 */
 
-		if (dev_priv->vbios->dactestval)
-			testval = dev_priv->vbios->dactestval;
+		if (dev_priv->vbios.dactestval)
+			testval = dev_priv->vbios.dactestval;
 	}
 
 	saved_rtest_ctrl = NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset);
diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c
index 483f875bdb6a..41634d4752fe 100644
--- a/drivers/gpu/drm/nouveau/nv04_dfp.c
+++ b/drivers/gpu/drm/nouveau/nv04_dfp.c
@@ -269,10 +269,10 @@ static void nv04_dfp_mode_set(struct drm_encoder *encoder,
 	regp->fp_horiz_regs[FP_TOTAL] = output_mode->htotal - 1;
 	if (!nv_gf4_disp_arch(dev) ||
 	    (output_mode->hsync_start - output_mode->hdisplay) >=
-					dev_priv->vbios->digital_min_front_porch)
+					dev_priv->vbios.digital_min_front_porch)
 		regp->fp_horiz_regs[FP_CRTC] = output_mode->hdisplay;
 	else
-		regp->fp_horiz_regs[FP_CRTC] = output_mode->hsync_start - dev_priv->vbios->digital_min_front_porch - 1;
+		regp->fp_horiz_regs[FP_CRTC] = output_mode->hsync_start - dev_priv->vbios.digital_min_front_porch - 1;
 	regp->fp_horiz_regs[FP_SYNC_START] = output_mode->hsync_start - 1;
 	regp->fp_horiz_regs[FP_SYNC_END] = output_mode->hsync_end - 1;
 	regp->fp_horiz_regs[FP_VALID_START] = output_mode->hskew;
diff --git a/drivers/gpu/drm/nouveau/nv04_display.c b/drivers/gpu/drm/nouveau/nv04_display.c
index ef77215fa5b9..c7898b4f6dfb 100644
--- a/drivers/gpu/drm/nouveau/nv04_display.c
+++ b/drivers/gpu/drm/nouveau/nv04_display.c
@@ -93,10 +93,9 @@ int
 nv04_display_create(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct parsed_dcb *dcb = dev_priv->vbios->dcb;
+	struct dcb_table *dcb = &dev_priv->vbios.dcb;
 	struct drm_encoder *encoder;
 	struct drm_crtc *crtc;
-	uint16_t connector[16] = { 0 };
 	int i, ret;
 
 	NV_DEBUG_KMS(dev, "\n");
@@ -154,52 +153,10 @@ nv04_display_create(struct drm_device *dev)
 
 		if (ret)
 			continue;
-
-		connector[dcbent->connector] |= (1 << dcbent->type);
 	}
 
-	for (i = 0; i < dcb->entries; i++) {
-		struct dcb_entry *dcbent = &dcb->entry[i];
-		uint16_t encoders;
-		int type;
-
-		encoders = connector[dcbent->connector];
-		if (!(encoders & (1 << dcbent->type)))
-			continue;
-		connector[dcbent->connector] = 0;
-
-		switch (dcbent->type) {
-		case OUTPUT_ANALOG:
-			if (!MULTIPLE_ENCODERS(encoders))
-				type = DRM_MODE_CONNECTOR_VGA;
-			else
-				type = DRM_MODE_CONNECTOR_DVII;
-			break;
-		case OUTPUT_TMDS:
-			if (!MULTIPLE_ENCODERS(encoders))
-				type = DRM_MODE_CONNECTOR_DVID;
-			else
-				type = DRM_MODE_CONNECTOR_DVII;
-			break;
-		case OUTPUT_LVDS:
-			type = DRM_MODE_CONNECTOR_LVDS;
-#if 0
-			/* don't create i2c adapter when lvds ddc not allowed */
-			if (dcbent->lvdsconf.use_straps_for_mode ||
-			    dev_priv->vbios->fp_no_ddc)
-				i2c_index = 0xf;
-#endif
-			break;
-		case OUTPUT_TV:
-			type = DRM_MODE_CONNECTOR_TV;
-			break;
-		default:
-			type = DRM_MODE_CONNECTOR_Unknown;
-			continue;
-		}
-
-		nouveau_connector_create(dev, dcbent->connector, type);
-	}
+	for (i = 0; i < dcb->connector.entries; i++)
+		nouveau_connector_create(dev, &dcb->connector.entry[i]);
 
 	/* Save previous state */
 	NVLockVgaCrtcs(dev, false);
diff --git a/drivers/gpu/drm/nouveau/nv04_fbcon.c b/drivers/gpu/drm/nouveau/nv04_fbcon.c
index fd01caabd5c3..813b25cec726 100644
--- a/drivers/gpu/drm/nouveau/nv04_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nv04_fbcon.c
@@ -118,8 +118,8 @@ nv04_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
 		return;
 	}
 
-	width = (image->width + 31) & ~31;
-	dsize = (width * image->height) >> 5;
+	width = ALIGN(image->width, 8);
+	dsize = ALIGN(width * image->height, 32) >> 5;
 
 	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
 	    info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
@@ -136,8 +136,8 @@ nv04_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
 			 ((image->dx + image->width) & 0xffff));
 	OUT_RING(chan, bg);
 	OUT_RING(chan, fg);
-	OUT_RING(chan, (image->height << 16) | image->width);
 	OUT_RING(chan, (image->height << 16) | width);
+	OUT_RING(chan, (image->height << 16) | image->width);
 	OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));
 
 	while (dsize) {
diff --git a/drivers/gpu/drm/nouveau/nv04_fifo.c b/drivers/gpu/drm/nouveau/nv04_fifo.c
index f31347b8c9b0..66fe55983b6e 100644
--- a/drivers/gpu/drm/nouveau/nv04_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv04_fifo.c
@@ -117,6 +117,7 @@ nv04_fifo_create_context(struct nouveau_channel *chan)
 {
 	struct drm_device *dev = chan->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	unsigned long flags;
 	int ret;
 
 	ret = nouveau_gpuobj_new_fake(dev, NV04_RAMFC(chan->id), ~0,
@@ -127,6 +128,8 @@ nv04_fifo_create_context(struct nouveau_channel *chan)
 	if (ret)
 		return ret;
 
+	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
+
 	/* Setup initial state */
 	dev_priv->engine.instmem.prepare_access(dev, true);
 	RAMFC_WR(DMA_PUT, chan->pushbuf_base);
@@ -144,6 +147,8 @@ nv04_fifo_create_context(struct nouveau_channel *chan)
 	/* enable the fifo dma operation */
 	nv_wr32(dev, NV04_PFIFO_MODE,
 		nv_rd32(dev, NV04_PFIFO_MODE) | (1 << chan->id));
+
+	spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nv04_tv.c b/drivers/gpu/drm/nouveau/nv04_tv.c
index 9c63099e9c42..c4e3404337d4 100644
--- a/drivers/gpu/drm/nouveau/nv04_tv.c
+++ b/drivers/gpu/drm/nouveau/nv04_tv.c
@@ -262,7 +262,7 @@ int nv04_tv_create(struct drm_device *dev, struct dcb_entry *entry)
 	nv_encoder->or = ffs(entry->or) - 1;
 
 	/* Run the slave-specific initialization */
-	adap = &dev_priv->vbios->dcb->i2c[i2c_index].chan->adapter;
+	adap = &dev_priv->vbios.dcb.i2c[i2c_index].chan->adapter;
 
 	was_locked = NVLockVgaCrtcs(dev, false);
 
diff --git a/drivers/gpu/drm/nouveau/nv17_tv.c b/drivers/gpu/drm/nouveau/nv17_tv.c
index 21ac6e49b6ee..74c880374fb9 100644
--- a/drivers/gpu/drm/nouveau/nv17_tv.c
+++ b/drivers/gpu/drm/nouveau/nv17_tv.c
@@ -45,8 +45,8 @@ static uint32_t nv42_tv_sample_load(struct drm_encoder *encoder)
 
 #define RGB_TEST_DATA(r, g, b) (r << 0 | g << 10 | b << 20)
 	testval = RGB_TEST_DATA(0x82, 0xeb, 0x82);
-	if (dev_priv->vbios->tvdactestval)
-		testval = dev_priv->vbios->tvdactestval;
+	if (dev_priv->vbios.tvdactestval)
+		testval = dev_priv->vbios.tvdactestval;
 
 	dacclk = NVReadRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset);
 	head = (dacclk & 0x100) >> 8;
@@ -367,7 +367,7 @@ static void nv17_tv_prepare(struct drm_encoder *encoder)
 			     !enc->crtc &&
 			     nv04_dfp_get_bound_head(dev, dcb) == head) {
 				nv04_dfp_bind_head(dev, dcb, head ^ 1,
-						dev_priv->VBIOS.fp.dual_link);
+						dev_priv->vbios.fp.dual_link);
 			}
 		}
 
diff --git a/drivers/gpu/drm/nouveau/nv40_fifo.c b/drivers/gpu/drm/nouveau/nv40_fifo.c
index b4f19ccb8b41..6b2ef4a9fce1 100644
--- a/drivers/gpu/drm/nouveau/nv40_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv40_fifo.c
@@ -37,6 +37,7 @@ nv40_fifo_create_context(struct nouveau_channel *chan)
 	struct drm_device *dev = chan->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	uint32_t fc = NV40_RAMFC(chan->id);
+	unsigned long flags;
 	int ret;
 
 	ret = nouveau_gpuobj_new_fake(dev, NV40_RAMFC(chan->id), ~0,
@@ -45,6 +46,8 @@ nv40_fifo_create_context(struct nouveau_channel *chan)
 	if (ret)
 		return ret;
 
+	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
+
 	dev_priv->engine.instmem.prepare_access(dev, true);
 	nv_wi32(dev, fc +  0, chan->pushbuf_base);
 	nv_wi32(dev, fc +  4, chan->pushbuf_base);
@@ -63,6 +66,8 @@ nv40_fifo_create_context(struct nouveau_channel *chan)
 	/* enable the fifo dma operation */
 	nv_wr32(dev, NV04_PFIFO_MODE,
 		nv_rd32(dev, NV04_PFIFO_MODE) | (1 << chan->id));
+
+	spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nv50_crtc.c b/drivers/gpu/drm/nouveau/nv50_crtc.c
index d1a651e3400c..cfabeb974a56 100644
--- a/drivers/gpu/drm/nouveau/nv50_crtc.c
+++ b/drivers/gpu/drm/nouveau/nv50_crtc.c
@@ -358,9 +358,7 @@ nv50_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
 	nv_crtc->cursor.show(nv_crtc, true);
 
 out:
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(gem);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(gem);
 	return ret;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nv50_dac.c b/drivers/gpu/drm/nouveau/nv50_dac.c
index f08f042a8e10..1fd9537beff6 100644
--- a/drivers/gpu/drm/nouveau/nv50_dac.c
+++ b/drivers/gpu/drm/nouveau/nv50_dac.c
@@ -79,8 +79,8 @@ nv50_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector)
 	}
 
 	/* Use bios provided value if possible. */
-	if (dev_priv->vbios->dactestval) {
-		load_pattern = dev_priv->vbios->dactestval;
+	if (dev_priv->vbios.dactestval) {
+		load_pattern = dev_priv->vbios.dactestval;
 		NV_DEBUG_KMS(dev, "Using bios provided load_pattern of %d\n",
 			  load_pattern);
 	} else {
diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c
index 90f0bf59fbcd..fac6c88a2b1f 100644
--- a/drivers/gpu/drm/nouveau/nv50_display.c
+++ b/drivers/gpu/drm/nouveau/nv50_display.c
@@ -370,9 +370,7 @@ nv50_display_init(struct drm_device *dev)
 		struct nouveau_connector *conn = nouveau_connector(connector);
 		struct dcb_gpio_entry *gpio;
 
-		if (connector->connector_type != DRM_MODE_CONNECTOR_DVII &&
-		    connector->connector_type != DRM_MODE_CONNECTOR_DVID &&
-		    connector->connector_type != DRM_MODE_CONNECTOR_DisplayPort)
+		if (conn->dcb->gpio_tag == 0xff)
 			continue;
 
 		gpio = nouveau_bios_gpio_entry(dev, conn->dcb->gpio_tag);
@@ -465,8 +463,7 @@ static int nv50_display_disable(struct drm_device *dev)
 int nv50_display_create(struct drm_device *dev)
 {
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
-	struct parsed_dcb *dcb = dev_priv->vbios->dcb;
-	uint32_t connector[16] = {};
+	struct dcb_table *dcb = &dev_priv->vbios.dcb;
 	int ret, i;
 
 	NV_DEBUG_KMS(dev, "\n");
@@ -522,44 +519,13 @@ int nv50_display_create(struct drm_device *dev)
 			NV_WARN(dev, "DCB encoder %d unknown\n", entry->type);
 			continue;
 		}
-
-		connector[entry->connector] |= (1 << entry->type);
 	}
 
-	/* It appears that DCB 3.0+ VBIOS has a connector table, however,
-	 * I'm not 100% certain how to decode it correctly yet so just
-	 * look at what encoders are present on each connector index and
-	 * attempt to derive the connector type from that.
-	 */
-	for (i = 0 ; i < dcb->entries; i++) {
-		struct dcb_entry *entry = &dcb->entry[i];
-		uint16_t encoders;
-		int type;
-
-		encoders = connector[entry->connector];
-		if (!(encoders & (1 << entry->type)))
+	for (i = 0 ; i < dcb->connector.entries; i++) {
+		if (i != 0 && dcb->connector.entry[i].index2 ==
+			      dcb->connector.entry[i - 1].index2)
 			continue;
-		connector[entry->connector] = 0;
-
-		if (encoders & (1 << OUTPUT_DP)) {
-			type = DRM_MODE_CONNECTOR_DisplayPort;
-		} else if (encoders & (1 << OUTPUT_TMDS)) {
-			if (encoders & (1 << OUTPUT_ANALOG))
-				type = DRM_MODE_CONNECTOR_DVII;
-			else
-				type = DRM_MODE_CONNECTOR_DVID;
-		} else if (encoders & (1 << OUTPUT_ANALOG)) {
-			type = DRM_MODE_CONNECTOR_VGA;
-		} else if (encoders & (1 << OUTPUT_LVDS)) {
-			type = DRM_MODE_CONNECTOR_LVDS;
-		} else {
-			type = DRM_MODE_CONNECTOR_Unknown;
-		}
-
-		if (type == DRM_MODE_CONNECTOR_Unknown)
-			continue;
-
-		nouveau_connector_create(dev, entry->connector, type);
+		nouveau_connector_create(dev, &dcb->connector.entry[i]);
 	}
 
 	ret = nv50_display_init(dev);
@@ -667,8 +633,8 @@ nv50_display_irq_head(struct drm_device *dev, int *phead,
 		return -1;
 	}
 
-	for (i = 0; i < dev_priv->vbios->dcb->entries; i++) {
-		struct dcb_entry *dcbent = &dev_priv->vbios->dcb->entry[i];
+	for (i = 0; i < dev_priv->vbios.dcb.entries; i++) {
+		struct dcb_entry *dcbent = &dev_priv->vbios.dcb.entry[i];
 
 		if (dcbent->type != type)
 			continue;
@@ -692,7 +658,7 @@ nv50_display_script_select(struct drm_device *dev, struct dcb_entry *dcbent,
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_connector *nv_connector = NULL;
 	struct drm_encoder *encoder;
-	struct nvbios *bios = &dev_priv->VBIOS;
+	struct nvbios *bios = &dev_priv->vbios;
 	uint32_t mc, script = 0, or;
 
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
@@ -710,7 +676,7 @@ nv50_display_script_select(struct drm_device *dev, struct dcb_entry *dcbent,
 	switch (dcbent->type) {
 	case OUTPUT_LVDS:
 		script = (mc >> 8) & 0xf;
-		if (bios->pub.fp_no_ddc) {
+		if (bios->fp_no_ddc) {
 			if (bios->fp.dual_link)
 				script |= 0x0100;
 			if (bios->fp.if_is_24bit)
diff --git a/drivers/gpu/drm/nouveau/nv50_fb.c b/drivers/gpu/drm/nouveau/nv50_fb.c
new file mode 100644
index 000000000000..a95e6941ba88
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nv50_fb.c
@@ -0,0 +1,32 @@
+#include "drmP.h"
+#include "drm.h"
+#include "nouveau_drv.h"
+#include "nouveau_drm.h"
+
+int
+nv50_fb_init(struct drm_device *dev)
+{
+	/* This is needed to get meaningful information from 100c90
+	 * on traps. No idea what these values mean exactly. */
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+
+	switch (dev_priv->chipset) {
+	case 0x50:
+		nv_wr32(dev, 0x100c90, 0x0707ff);
+		break;
+	case 0xa5:
+	case 0xa8:
+		nv_wr32(dev, 0x100c90, 0x0d0fff);
+		break;
+	default:
+		nv_wr32(dev, 0x100c90, 0x1d07ff);
+		break;
+	}
+
+	return 0;
+}
+
+void
+nv50_fb_takedown(struct drm_device *dev)
+{
+}
diff --git a/drivers/gpu/drm/nouveau/nv50_fbcon.c b/drivers/gpu/drm/nouveau/nv50_fbcon.c
index 0f57cdf7ccb2..25a3cd8794f9 100644
--- a/drivers/gpu/drm/nouveau/nv50_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nv50_fbcon.c
@@ -109,7 +109,7 @@ nv50_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
 		return;
 	}
 
-	width = (image->width + 31) & ~31;
+	width = ALIGN(image->width, 32);
 	dwords = (width * image->height) >> 5;
 
 	BEGIN_RING(chan, NvSub2D, 0x0814, 2);
@@ -233,7 +233,7 @@ nv50_fbcon_accel_init(struct fb_info *info)
 	BEGIN_RING(chan, NvSub2D, 0x0808, 3);
 	OUT_RING(chan, 0);
 	OUT_RING(chan, 0);
-	OUT_RING(chan, 0);
+	OUT_RING(chan, 1);
 	BEGIN_RING(chan, NvSub2D, 0x081c, 1);
 	OUT_RING(chan, 1);
 	BEGIN_RING(chan, NvSub2D, 0x0840, 4);
diff --git a/drivers/gpu/drm/nouveau/nv50_fifo.c b/drivers/gpu/drm/nouveau/nv50_fifo.c
index 204a79ff10f4..e20c0e2474f3 100644
--- a/drivers/gpu/drm/nouveau/nv50_fifo.c
+++ b/drivers/gpu/drm/nouveau/nv50_fifo.c
@@ -243,6 +243,7 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
 	struct drm_device *dev = chan->dev;
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_gpuobj *ramfc = NULL;
+	unsigned long flags;
 	int ret;
 
 	NV_DEBUG(dev, "ch%d\n", chan->id);
@@ -278,19 +279,21 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
 			return ret;
 	}
 
+	spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
+
 	dev_priv->engine.instmem.prepare_access(dev, true);
 
-	nv_wo32(dev, ramfc, 0x08/4, chan->pushbuf_base);
-	nv_wo32(dev, ramfc, 0x10/4, chan->pushbuf_base);
 	nv_wo32(dev, ramfc, 0x48/4, chan->pushbuf->instance >> 4);
 	nv_wo32(dev, ramfc, 0x80/4, (0xc << 24) | (chan->ramht->instance >> 4));
-	nv_wo32(dev, ramfc, 0x3c/4, 0x00086078);
 	nv_wo32(dev, ramfc, 0x44/4, 0x2101ffff);
 	nv_wo32(dev, ramfc, 0x60/4, 0x7fffffff);
 	nv_wo32(dev, ramfc, 0x40/4, 0x00000000);
 	nv_wo32(dev, ramfc, 0x7c/4, 0x30000001);
 	nv_wo32(dev, ramfc, 0x78/4, 0x00000000);
-	nv_wo32(dev, ramfc, 0x4c/4, 0xffffffff);
+	nv_wo32(dev, ramfc, 0x3c/4, 0x403f6078);
+	nv_wo32(dev, ramfc, 0x50/4, chan->pushbuf_base +
+				    chan->dma.ib_base * 4);
+	nv_wo32(dev, ramfc, 0x54/4, drm_order(chan->dma.ib_max + 1) << 16);
 
 	if (!IS_G80) {
 		nv_wo32(dev, chan->ramin->gpuobj, 0, chan->id);
@@ -306,10 +309,12 @@ nv50_fifo_create_context(struct nouveau_channel *chan)
 	ret = nv50_fifo_channel_enable(dev, chan->id, false);
 	if (ret) {
 		NV_ERROR(dev, "error enabling ch%d: %d\n", chan->id, ret);
+		spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
 		nouveau_gpuobj_ref_del(dev, &chan->ramfc);
 		return ret;
 	}
 
+	spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/nouveau/nv50_graph.c b/drivers/gpu/drm/nouveau/nv50_graph.c
index 6d504801b514..c62b33a02f88 100644
--- a/drivers/gpu/drm/nouveau/nv50_graph.c
+++ b/drivers/gpu/drm/nouveau/nv50_graph.c
@@ -28,30 +28,7 @@
 #include "drm.h"
 #include "nouveau_drv.h"
 
-MODULE_FIRMWARE("nouveau/nv50.ctxprog");
-MODULE_FIRMWARE("nouveau/nv50.ctxvals");
-MODULE_FIRMWARE("nouveau/nv84.ctxprog");
-MODULE_FIRMWARE("nouveau/nv84.ctxvals");
-MODULE_FIRMWARE("nouveau/nv86.ctxprog");
-MODULE_FIRMWARE("nouveau/nv86.ctxvals");
-MODULE_FIRMWARE("nouveau/nv92.ctxprog");
-MODULE_FIRMWARE("nouveau/nv92.ctxvals");
-MODULE_FIRMWARE("nouveau/nv94.ctxprog");
-MODULE_FIRMWARE("nouveau/nv94.ctxvals");
-MODULE_FIRMWARE("nouveau/nv96.ctxprog");
-MODULE_FIRMWARE("nouveau/nv96.ctxvals");
-MODULE_FIRMWARE("nouveau/nv98.ctxprog");
-MODULE_FIRMWARE("nouveau/nv98.ctxvals");
-MODULE_FIRMWARE("nouveau/nva0.ctxprog");
-MODULE_FIRMWARE("nouveau/nva0.ctxvals");
-MODULE_FIRMWARE("nouveau/nva5.ctxprog");
-MODULE_FIRMWARE("nouveau/nva5.ctxvals");
-MODULE_FIRMWARE("nouveau/nva8.ctxprog");
-MODULE_FIRMWARE("nouveau/nva8.ctxvals");
-MODULE_FIRMWARE("nouveau/nvaa.ctxprog");
-MODULE_FIRMWARE("nouveau/nvaa.ctxvals");
-MODULE_FIRMWARE("nouveau/nvac.ctxprog");
-MODULE_FIRMWARE("nouveau/nvac.ctxvals");
+#include "nouveau_grctx.h"
 
 #define IS_G80 ((dev_priv->chipset & 0xf0) == 0x50)
 
@@ -79,6 +56,10 @@ nv50_graph_init_intr(struct drm_device *dev)
 static void
 nv50_graph_init_regs__nv(struct drm_device *dev)
 {
+	struct drm_nouveau_private *dev_priv = dev->dev_private;
+	uint32_t units = nv_rd32(dev, 0x1540);
+	int i;
+
 	NV_DEBUG(dev, "\n");
 
 	nv_wr32(dev, 0x400804, 0xc0000000);
@@ -88,6 +69,20 @@ nv50_graph_init_regs__nv(struct drm_device *dev)
 	nv_wr32(dev, 0x405018, 0xc0000000);
 	nv_wr32(dev, 0x402000, 0xc0000000);
 
+	for (i = 0; i < 16; i++) {
+		if (units & 1 << i) {
+			if (dev_priv->chipset < 0xa0) {
+				nv_wr32(dev, 0x408900 + (i << 12), 0xc0000000);
+				nv_wr32(dev, 0x408e08 + (i << 12), 0xc0000000);
+				nv_wr32(dev, 0x408314 + (i << 12), 0xc0000000);
+			} else {
+				nv_wr32(dev, 0x408600 + (i << 11), 0xc0000000);
+				nv_wr32(dev, 0x408708 + (i << 11), 0xc0000000);
+				nv_wr32(dev, 0x40831c + (i << 11), 0xc0000000);
+			}
+		}
+	}
+
 	nv_wr32(dev, 0x400108, 0xffffffff);
 
 	nv_wr32(dev, 0x400824, 0x00004000);
@@ -111,9 +106,34 @@ nv50_graph_init_ctxctl(struct drm_device *dev)
 
 	NV_DEBUG(dev, "\n");
 
-	nouveau_grctx_prog_load(dev);
-	if (!dev_priv->engine.graph.ctxprog)
-		dev_priv->engine.graph.accel_blocked = true;
+	if (nouveau_ctxfw) {
+		nouveau_grctx_prog_load(dev);
+		dev_priv->engine.graph.grctx_size = 0x70000;
+	}
+	if (!dev_priv->engine.graph.ctxprog) {
+		struct nouveau_grctx ctx = {};
+		uint32_t *cp = kmalloc(512 * 4, GFP_KERNEL);
+		int i;
+		if (!cp) {
+			NV_ERROR(dev, "Couldn't alloc ctxprog! Disabling acceleration.\n");
+			dev_priv->engine.graph.accel_blocked = true;
+			return 0;
+		}
+		ctx.dev = dev;
+		ctx.mode = NOUVEAU_GRCTX_PROG;
+		ctx.data = cp;
+		ctx.ctxprog_max = 512;
+		if (!nv50_grctx_init(&ctx)) {
+			dev_priv->engine.graph.grctx_size = ctx.ctxvals_pos * 4;
+
+			nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
+			for (i = 0; i < ctx.ctxprog_len; i++)
+				nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, cp[i]);
+		} else {
+			dev_priv->engine.graph.accel_blocked = true;
+		}
+		kfree(cp);
+	}
 
 	nv_wr32(dev, 0x400320, 4);
 	nv_wr32(dev, NV40_PGRAPH_CTXCTL_CUR, 0);
@@ -193,13 +213,13 @@ nv50_graph_create_context(struct nouveau_channel *chan)
 	struct drm_nouveau_private *dev_priv = dev->dev_private;
 	struct nouveau_gpuobj *ramin = chan->ramin->gpuobj;
 	struct nouveau_gpuobj *ctx;
-	uint32_t grctx_size = 0x70000;
+	struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
 	int hdr, ret;
 
 	NV_DEBUG(dev, "ch%d\n", chan->id);
 
-	ret = nouveau_gpuobj_new_ref(dev, chan, NULL, 0, grctx_size, 0x1000,
-				     NVOBJ_FLAG_ZERO_ALLOC |
+	ret = nouveau_gpuobj_new_ref(dev, chan, NULL, 0, pgraph->grctx_size,
+				     0x1000, NVOBJ_FLAG_ZERO_ALLOC |
 				     NVOBJ_FLAG_ZERO_FREE, &chan->ramin_grctx);
 	if (ret)
 		return ret;
@@ -209,7 +229,7 @@ nv50_graph_create_context(struct nouveau_channel *chan)
 	dev_priv->engine.instmem.prepare_access(dev, true);
 	nv_wo32(dev, ramin, (hdr + 0x00)/4, 0x00190002);
 	nv_wo32(dev, ramin, (hdr + 0x04)/4, chan->ramin_grctx->instance +
-					   grctx_size - 1);
+					   pgraph->grctx_size - 1);
 	nv_wo32(dev, ramin, (hdr + 0x08)/4, chan->ramin_grctx->instance);
 	nv_wo32(dev, ramin, (hdr + 0x0c)/4, 0);
 	nv_wo32(dev, ramin, (hdr + 0x10)/4, 0);
@@ -217,12 +237,16 @@ nv50_graph_create_context(struct nouveau_channel *chan)
 	dev_priv->engine.instmem.finish_access(dev);
 
 	dev_priv->engine.instmem.prepare_access(dev, true);
-	nouveau_grctx_vals_load(dev, ctx);
+	if (!pgraph->ctxprog) {
+		struct nouveau_grctx ctx = {};
+		ctx.dev = chan->dev;
+		ctx.mode = NOUVEAU_GRCTX_VALS;
+		ctx.data = chan->ramin_grctx->gpuobj;
+		nv50_grctx_init(&ctx);
+	} else {
+		nouveau_grctx_vals_load(dev, ctx);
+	}
 	nv_wo32(dev, ctx, 0x00000/4, chan->ramin->instance >> 12);
-	if ((dev_priv->chipset & 0xf0) == 0xa0)
-		nv_wo32(dev, ctx, 0x00004/4, 0x00000000);
-	else
-		nv_wo32(dev, ctx, 0x0011c/4, 0x00000000);
 	dev_priv->engine.instmem.finish_access(dev);
 
 	return 0;
diff --git a/drivers/gpu/drm/nouveau/nv50_grctx.c b/drivers/gpu/drm/nouveau/nv50_grctx.c
new file mode 100644
index 000000000000..546b31949a30
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nv50_grctx.c
@@ -0,0 +1,2372 @@
+/*
+ * Copyright 2009 Marcin Kościelnicki
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#define CP_FLAG_CLEAR                 0
+#define CP_FLAG_SET                   1
+#define CP_FLAG_SWAP_DIRECTION        ((0 * 32) + 0)
+#define CP_FLAG_SWAP_DIRECTION_LOAD   0
+#define CP_FLAG_SWAP_DIRECTION_SAVE   1
+#define CP_FLAG_UNK01                 ((0 * 32) + 1)
+#define CP_FLAG_UNK01_CLEAR           0
+#define CP_FLAG_UNK01_SET             1
+#define CP_FLAG_UNK03                 ((0 * 32) + 3)
+#define CP_FLAG_UNK03_CLEAR           0
+#define CP_FLAG_UNK03_SET             1
+#define CP_FLAG_USER_SAVE             ((0 * 32) + 5)
+#define CP_FLAG_USER_SAVE_NOT_PENDING 0
+#define CP_FLAG_USER_SAVE_PENDING     1
+#define CP_FLAG_USER_LOAD             ((0 * 32) + 6)
+#define CP_FLAG_USER_LOAD_NOT_PENDING 0
+#define CP_FLAG_USER_LOAD_PENDING     1
+#define CP_FLAG_UNK0B                 ((0 * 32) + 0xb)
+#define CP_FLAG_UNK0B_CLEAR           0
+#define CP_FLAG_UNK0B_SET             1
+#define CP_FLAG_UNK1D                 ((0 * 32) + 0x1d)
+#define CP_FLAG_UNK1D_CLEAR           0
+#define CP_FLAG_UNK1D_SET             1
+#define CP_FLAG_UNK20                 ((1 * 32) + 0)
+#define CP_FLAG_UNK20_CLEAR           0
+#define CP_FLAG_UNK20_SET             1
+#define CP_FLAG_STATUS                ((2 * 32) + 0)
+#define CP_FLAG_STATUS_BUSY           0
+#define CP_FLAG_STATUS_IDLE           1
+#define CP_FLAG_AUTO_SAVE             ((2 * 32) + 4)
+#define CP_FLAG_AUTO_SAVE_NOT_PENDING 0
+#define CP_FLAG_AUTO_SAVE_PENDING     1
+#define CP_FLAG_AUTO_LOAD             ((2 * 32) + 5)
+#define CP_FLAG_AUTO_LOAD_NOT_PENDING 0
+#define CP_FLAG_AUTO_LOAD_PENDING     1
+#define CP_FLAG_XFER                  ((2 * 32) + 11)
+#define CP_FLAG_XFER_IDLE             0
+#define CP_FLAG_XFER_BUSY             1
+#define CP_FLAG_NEWCTX                ((2 * 32) + 12)
+#define CP_FLAG_NEWCTX_BUSY           0
+#define CP_FLAG_NEWCTX_DONE           1
+#define CP_FLAG_ALWAYS                ((2 * 32) + 13)
+#define CP_FLAG_ALWAYS_FALSE          0
+#define CP_FLAG_ALWAYS_TRUE           1
+#define CP_FLAG_INTR                  ((2 * 32) + 15)
+#define CP_FLAG_INTR_NOT_PENDING      0
+#define CP_FLAG_INTR_PENDING          1
+
+#define CP_CTX                   0x00100000
+#define CP_CTX_COUNT             0x000f0000
+#define CP_CTX_COUNT_SHIFT               16
+#define CP_CTX_REG               0x00003fff
+#define CP_LOAD_SR               0x00200000
+#define CP_LOAD_SR_VALUE         0x000fffff
+#define CP_BRA                   0x00400000
+#define CP_BRA_IP                0x0001ff00
+#define CP_BRA_IP_SHIFT                   8
+#define CP_BRA_IF_CLEAR          0x00000080
+#define CP_BRA_FLAG              0x0000007f
+#define CP_WAIT                  0x00500000
+#define CP_WAIT_SET              0x00000080
+#define CP_WAIT_FLAG             0x0000007f
+#define CP_SET                   0x00700000
+#define CP_SET_1                 0x00000080
+#define CP_SET_FLAG              0x0000007f
+#define CP_NEWCTX                0x00600004
+#define CP_NEXT_TO_SWAP          0x00600005
+#define CP_SET_CONTEXT_POINTER   0x00600006
+#define CP_SET_XFER_POINTER      0x00600007
+#define CP_ENABLE                0x00600009
+#define CP_END                   0x0060000c
+#define CP_NEXT_TO_CURRENT       0x0060000d
+#define CP_DISABLE1              0x0090ffff
+#define CP_DISABLE2              0x0091ffff
+#define CP_XFER_1      0x008000ff
+#define CP_XFER_2      0x008800ff
+#define CP_SEEK_1      0x00c000ff
+#define CP_SEEK_2      0x00c800ff
+
+#include "drmP.h"
+#include "nouveau_drv.h"
+#include "nouveau_grctx.h"
+
+/*
+ * This code deals with PGRAPH contexts on NV50 family cards. Like NV40, it's
+ * the GPU itself that does context-switching, but it needs a special
+ * microcode to do it. And it's the driver's task to supply this microcode,
+ * further known as ctxprog, as well as the initial context values, known
+ * as ctxvals.
+ *
+ * Without ctxprog, you cannot switch contexts. Not even in software, since
+ * the majority of context [xfer strands] isn't accessible directly. You're
+ * stuck with a single channel, and you also suffer all the problems resulting
+ * from missing ctxvals, since you cannot load them.
+ *
+ * Without ctxvals, you're stuck with PGRAPH's default context. It's enough to
+ * run 2d operations, but trying to utilise 3d or CUDA will just lock you up,
+ * since you don't have... some sort of needed setup.
+ *
+ * Nouveau will just disable acceleration if not given ctxprog + ctxvals, since
+ * it's too much hassle to handle no-ctxprog as a special case.
+ */
+
+/*
+ * How ctxprogs work.
+ *
+ * The ctxprog is written in its own kind of microcode, with very small and
+ * crappy set of available commands. You upload it to a small [512 insns]
+ * area of memory on PGRAPH, and it'll be run when PFIFO wants PGRAPH to
+ * switch channel. or when the driver explicitely requests it. Stuff visible
+ * to ctxprog consists of: PGRAPH MMIO registers, PGRAPH context strands,
+ * the per-channel context save area in VRAM [known as ctxvals or grctx],
+ * 4 flags registers, a scratch register, two grctx pointers, plus many
+ * random poorly-understood details.
+ *
+ * When ctxprog runs, it's supposed to check what operations are asked of it,
+ * save old context if requested, optionally reset PGRAPH and switch to the
+ * new channel, and load the new context. Context consists of three major
+ * parts: subset of MMIO registers and two "xfer areas".
+ */
+
+/* TODO:
+ *  - document unimplemented bits compared to nvidia
+ *  - NVAx: make a TP subroutine, use it.
+ *  - use 0x4008fc instead of 0x1540?
+ */
+
+enum cp_label {
+	cp_check_load = 1,
+	cp_setup_auto_load,
+	cp_setup_load,
+	cp_setup_save,
+	cp_swap_state,
+	cp_prepare_exit,
+	cp_exit,
+};
+
+static void nv50_graph_construct_mmio(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_xfer1(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_xfer2(struct nouveau_grctx *ctx);
+
+/* Main function: construct the ctxprog skeleton, call the other functions. */
+
+int
+nv50_grctx_init(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+
+	switch (dev_priv->chipset) {
+	case 0x50:
+	case 0x84:
+	case 0x86:
+	case 0x92:
+	case 0x94:
+	case 0x96:
+	case 0x98:
+	case 0xa0:
+	case 0xa5:
+	case 0xa8:
+	case 0xaa:
+	case 0xac:
+		break;
+	default:
+		NV_ERROR(ctx->dev, "I don't know how to make a ctxprog for "
+				   "your NV%x card.\n", dev_priv->chipset);
+		NV_ERROR(ctx->dev, "Disabling acceleration. Please contact "
+				   "the devs.\n");
+		return -ENOSYS;
+	}
+	/* decide whether we're loading/unloading the context */
+	cp_bra (ctx, AUTO_SAVE, PENDING, cp_setup_save);
+	cp_bra (ctx, USER_SAVE, PENDING, cp_setup_save);
+
+	cp_name(ctx, cp_check_load);
+	cp_bra (ctx, AUTO_LOAD, PENDING, cp_setup_auto_load);
+	cp_bra (ctx, USER_LOAD, PENDING, cp_setup_load);
+	cp_bra (ctx, ALWAYS, TRUE, cp_exit);
+
+	/* setup for context load */
+	cp_name(ctx, cp_setup_auto_load);
+	cp_out (ctx, CP_DISABLE1);
+	cp_out (ctx, CP_DISABLE2);
+	cp_out (ctx, CP_ENABLE);
+	cp_out (ctx, CP_NEXT_TO_SWAP);
+	cp_set (ctx, UNK01, SET);
+	cp_name(ctx, cp_setup_load);
+	cp_out (ctx, CP_NEWCTX);
+	cp_wait(ctx, NEWCTX, BUSY);
+	cp_set (ctx, UNK1D, CLEAR);
+	cp_set (ctx, SWAP_DIRECTION, LOAD);
+	cp_bra (ctx, UNK0B, SET, cp_prepare_exit);
+	cp_bra (ctx, ALWAYS, TRUE, cp_swap_state);
+
+	/* setup for context save */
+	cp_name(ctx, cp_setup_save);
+	cp_set (ctx, UNK1D, SET);
+	cp_wait(ctx, STATUS, BUSY);
+	cp_wait(ctx, INTR, PENDING);
+	cp_bra (ctx, STATUS, BUSY, cp_setup_save);
+	cp_set (ctx, UNK01, SET);
+	cp_set (ctx, SWAP_DIRECTION, SAVE);
+
+	/* general PGRAPH state */
+	cp_name(ctx, cp_swap_state);
+	cp_set (ctx, UNK03, SET);
+	cp_pos (ctx, 0x00004/4);
+	cp_ctx (ctx, 0x400828, 1); /* needed. otherwise, flickering happens. */
+	cp_pos (ctx, 0x00100/4);
+	nv50_graph_construct_mmio(ctx);
+	nv50_graph_construct_xfer1(ctx);
+	nv50_graph_construct_xfer2(ctx);
+
+	cp_bra (ctx, SWAP_DIRECTION, SAVE, cp_check_load);
+
+	cp_set (ctx, UNK20, SET);
+	cp_set (ctx, SWAP_DIRECTION, SAVE); /* no idea why this is needed, but fixes at least one lockup. */
+	cp_lsr (ctx, ctx->ctxvals_base);
+	cp_out (ctx, CP_SET_XFER_POINTER);
+	cp_lsr (ctx, 4);
+	cp_out (ctx, CP_SEEK_1);
+	cp_out (ctx, CP_XFER_1);
+	cp_wait(ctx, XFER, BUSY);
+
+	/* pre-exit state updates */
+	cp_name(ctx, cp_prepare_exit);
+	cp_set (ctx, UNK01, CLEAR);
+	cp_set (ctx, UNK03, CLEAR);
+	cp_set (ctx, UNK1D, CLEAR);
+
+	cp_bra (ctx, USER_SAVE, PENDING, cp_exit);
+	cp_out (ctx, CP_NEXT_TO_CURRENT);
+
+	cp_name(ctx, cp_exit);
+	cp_set (ctx, USER_SAVE, NOT_PENDING);
+	cp_set (ctx, USER_LOAD, NOT_PENDING);
+	cp_out (ctx, CP_END);
+	ctx->ctxvals_pos += 0x400; /* padding... no idea why you need it */
+
+	return 0;
+}
+
+/*
+ * Constructs MMIO part of ctxprog and ctxvals. Just a matter of knowing which
+ * registers to save/restore and the default values for them.
+ */
+
+static void
+nv50_graph_construct_mmio(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	int i, j;
+	int offset, base;
+	uint32_t units = nv_rd32 (ctx->dev, 0x1540);
+
+	/* 0800: DISPATCH */
+	cp_ctx(ctx, 0x400808, 7);
+	gr_def(ctx, 0x400814, 0x00000030);
+	cp_ctx(ctx, 0x400834, 0x32);
+	if (dev_priv->chipset == 0x50) {
+		gr_def(ctx, 0x400834, 0xff400040);
+		gr_def(ctx, 0x400838, 0xfff00080);
+		gr_def(ctx, 0x40083c, 0xfff70090);
+		gr_def(ctx, 0x400840, 0xffe806a8);
+	}
+	gr_def(ctx, 0x400844, 0x00000002);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		gr_def(ctx, 0x400894, 0x00001000);
+	gr_def(ctx, 0x4008e8, 0x00000003);
+	gr_def(ctx, 0x4008ec, 0x00001000);
+	if (dev_priv->chipset == 0x50)
+		cp_ctx(ctx, 0x400908, 0xb);
+	else if (dev_priv->chipset < 0xa0)
+		cp_ctx(ctx, 0x400908, 0xc);
+	else
+		cp_ctx(ctx, 0x400908, 0xe);
+
+	if (dev_priv->chipset >= 0xa0)
+		cp_ctx(ctx, 0x400b00, 0x1);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa) {
+		cp_ctx(ctx, 0x400b10, 0x1);
+		gr_def(ctx, 0x400b10, 0x0001629d);
+		cp_ctx(ctx, 0x400b20, 0x1);
+		gr_def(ctx, 0x400b20, 0x0001629d);
+	}
+
+	/* 0C00: VFETCH */
+	cp_ctx(ctx, 0x400c08, 0x2);
+	gr_def(ctx, 0x400c08, 0x0000fe0c);
+
+	/* 1000 */
+	if (dev_priv->chipset < 0xa0) {
+		cp_ctx(ctx, 0x401008, 0x4);
+		gr_def(ctx, 0x401014, 0x00001000);
+	} else if (dev_priv->chipset == 0xa0 || dev_priv->chipset >= 0xaa) {
+		cp_ctx(ctx, 0x401008, 0x5);
+		gr_def(ctx, 0x401018, 0x00001000);
+	} else {
+		cp_ctx(ctx, 0x401008, 0x5);
+		gr_def(ctx, 0x401018, 0x00004000);
+	}
+
+	/* 1400 */
+	cp_ctx(ctx, 0x401400, 0x8);
+	cp_ctx(ctx, 0x401424, 0x3);
+	if (dev_priv->chipset == 0x50)
+		gr_def(ctx, 0x40142c, 0x0001fd87);
+	else
+		gr_def(ctx, 0x40142c, 0x00000187);
+	cp_ctx(ctx, 0x401540, 0x5);
+	gr_def(ctx, 0x401550, 0x00001018);
+
+	/* 1800: STREAMOUT */
+	cp_ctx(ctx, 0x401814, 0x1);
+	gr_def(ctx, 0x401814, 0x000000ff);
+	if (dev_priv->chipset == 0x50) {
+		cp_ctx(ctx, 0x40181c, 0xe);
+		gr_def(ctx, 0x401850, 0x00000004);
+	} else if (dev_priv->chipset < 0xa0) {
+		cp_ctx(ctx, 0x40181c, 0xf);
+		gr_def(ctx, 0x401854, 0x00000004);
+	} else {
+		cp_ctx(ctx, 0x40181c, 0x13);
+		gr_def(ctx, 0x401864, 0x00000004);
+	}
+
+	/* 1C00 */
+	cp_ctx(ctx, 0x401c00, 0x1);
+	switch (dev_priv->chipset) {
+	case 0x50:
+		gr_def(ctx, 0x401c00, 0x0001005f);
+		break;
+	case 0x84:
+	case 0x86:
+	case 0x94:
+		gr_def(ctx, 0x401c00, 0x044d00df);
+		break;
+	case 0x92:
+	case 0x96:
+	case 0x98:
+	case 0xa0:
+	case 0xaa:
+	case 0xac:
+		gr_def(ctx, 0x401c00, 0x042500df);
+		break;
+	case 0xa5:
+	case 0xa8:
+		gr_def(ctx, 0x401c00, 0x142500df);
+		break;
+	}
+
+	/* 2400 */
+	cp_ctx(ctx, 0x402400, 0x1);
+	if (dev_priv->chipset == 0x50)
+		cp_ctx(ctx, 0x402408, 0x1);
+	else
+		cp_ctx(ctx, 0x402408, 0x2);
+	gr_def(ctx, 0x402408, 0x00000600);
+
+	/* 2800 */
+	cp_ctx(ctx, 0x402800, 0x1);
+	if (dev_priv->chipset == 0x50)
+		gr_def(ctx, 0x402800, 0x00000006);
+
+	/* 2C00 */
+	cp_ctx(ctx, 0x402c08, 0x6);
+	if (dev_priv->chipset != 0x50)
+		gr_def(ctx, 0x402c14, 0x01000000);
+	gr_def(ctx, 0x402c18, 0x000000ff);
+	if (dev_priv->chipset == 0x50)
+		cp_ctx(ctx, 0x402ca0, 0x1);
+	else
+		cp_ctx(ctx, 0x402ca0, 0x2);
+	if (dev_priv->chipset < 0xa0)
+		gr_def(ctx, 0x402ca0, 0x00000400);
+	else if (dev_priv->chipset == 0xa0 || dev_priv->chipset >= 0xaa)
+		gr_def(ctx, 0x402ca0, 0x00000800);
+	else
+		gr_def(ctx, 0x402ca0, 0x00000400);
+	cp_ctx(ctx, 0x402cac, 0x4);
+
+	/* 3000 */
+	cp_ctx(ctx, 0x403004, 0x1);
+	gr_def(ctx, 0x403004, 0x00000001);
+
+	/* 3404 */
+	if (dev_priv->chipset >= 0xa0) {
+		cp_ctx(ctx, 0x403404, 0x1);
+		gr_def(ctx, 0x403404, 0x00000001);
+	}
+
+	/* 5000 */
+	cp_ctx(ctx, 0x405000, 0x1);
+	switch (dev_priv->chipset) {
+	case 0x50:
+		gr_def(ctx, 0x405000, 0x00300080);
+		break;
+	case 0x84:
+	case 0xa0:
+	case 0xa5:
+	case 0xa8:
+	case 0xaa:
+	case 0xac:
+		gr_def(ctx, 0x405000, 0x000e0080);
+		break;
+	case 0x86:
+	case 0x92:
+	case 0x94:
+	case 0x96:
+	case 0x98:
+		gr_def(ctx, 0x405000, 0x00000080);
+		break;
+	}
+	cp_ctx(ctx, 0x405014, 0x1);
+	gr_def(ctx, 0x405014, 0x00000004);
+	cp_ctx(ctx, 0x40501c, 0x1);
+	cp_ctx(ctx, 0x405024, 0x1);
+	cp_ctx(ctx, 0x40502c, 0x1);
+
+	/* 5400 or maybe 4800 */
+	if (dev_priv->chipset == 0x50) {
+		offset = 0x405400;
+		cp_ctx(ctx, 0x405400, 0xea);
+	} else if (dev_priv->chipset < 0x94) {
+		offset = 0x405400;
+		cp_ctx(ctx, 0x405400, 0xcb);
+	} else if (dev_priv->chipset < 0xa0) {
+		offset = 0x405400;
+		cp_ctx(ctx, 0x405400, 0xcc);
+	} else if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa) {
+		offset = 0x404800;
+		cp_ctx(ctx, 0x404800, 0xda);
+	} else {
+		offset = 0x405400;
+		cp_ctx(ctx, 0x405400, 0xd4);
+	}
+	gr_def(ctx, offset + 0x0c, 0x00000002);
+	gr_def(ctx, offset + 0x10, 0x00000001);
+	if (dev_priv->chipset >= 0x94)
+		offset += 4;
+	gr_def(ctx, offset + 0x1c, 0x00000001);
+	gr_def(ctx, offset + 0x20, 0x00000100);
+	gr_def(ctx, offset + 0x38, 0x00000002);
+	gr_def(ctx, offset + 0x3c, 0x00000001);
+	gr_def(ctx, offset + 0x40, 0x00000001);
+	gr_def(ctx, offset + 0x50, 0x00000001);
+	gr_def(ctx, offset + 0x54, 0x003fffff);
+	gr_def(ctx, offset + 0x58, 0x00001fff);
+	gr_def(ctx, offset + 0x60, 0x00000001);
+	gr_def(ctx, offset + 0x64, 0x00000001);
+	gr_def(ctx, offset + 0x6c, 0x00000001);
+	gr_def(ctx, offset + 0x70, 0x00000001);
+	gr_def(ctx, offset + 0x74, 0x00000001);
+	gr_def(ctx, offset + 0x78, 0x00000004);
+	gr_def(ctx, offset + 0x7c, 0x00000001);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		offset += 4;
+	gr_def(ctx, offset + 0x80, 0x00000001);
+	gr_def(ctx, offset + 0x84, 0x00000001);
+	gr_def(ctx, offset + 0x88, 0x00000007);
+	gr_def(ctx, offset + 0x8c, 0x00000001);
+	gr_def(ctx, offset + 0x90, 0x00000007);
+	gr_def(ctx, offset + 0x94, 0x00000001);
+	gr_def(ctx, offset + 0x98, 0x00000001);
+	gr_def(ctx, offset + 0x9c, 0x00000001);
+	if (dev_priv->chipset == 0x50) {
+		 gr_def(ctx, offset + 0xb0, 0x00000001);
+		 gr_def(ctx, offset + 0xb4, 0x00000001);
+		 gr_def(ctx, offset + 0xbc, 0x00000001);
+		 gr_def(ctx, offset + 0xc0, 0x0000000a);
+		 gr_def(ctx, offset + 0xd0, 0x00000040);
+		 gr_def(ctx, offset + 0xd8, 0x00000002);
+		 gr_def(ctx, offset + 0xdc, 0x00000100);
+		 gr_def(ctx, offset + 0xe0, 0x00000001);
+		 gr_def(ctx, offset + 0xe4, 0x00000100);
+		 gr_def(ctx, offset + 0x100, 0x00000001);
+		 gr_def(ctx, offset + 0x124, 0x00000004);
+		 gr_def(ctx, offset + 0x13c, 0x00000001);
+		 gr_def(ctx, offset + 0x140, 0x00000100);
+		 gr_def(ctx, offset + 0x148, 0x00000001);
+		 gr_def(ctx, offset + 0x154, 0x00000100);
+		 gr_def(ctx, offset + 0x158, 0x00000001);
+		 gr_def(ctx, offset + 0x15c, 0x00000100);
+		 gr_def(ctx, offset + 0x164, 0x00000001);
+		 gr_def(ctx, offset + 0x170, 0x00000100);
+		 gr_def(ctx, offset + 0x174, 0x00000001);
+		 gr_def(ctx, offset + 0x17c, 0x00000001);
+		 gr_def(ctx, offset + 0x188, 0x00000002);
+		 gr_def(ctx, offset + 0x190, 0x00000001);
+		 gr_def(ctx, offset + 0x198, 0x00000001);
+		 gr_def(ctx, offset + 0x1ac, 0x00000003);
+		 offset += 0xd0;
+	} else {
+		gr_def(ctx, offset + 0xb0, 0x00000001);
+		gr_def(ctx, offset + 0xb4, 0x00000100);
+		gr_def(ctx, offset + 0xbc, 0x00000001);
+		gr_def(ctx, offset + 0xc8, 0x00000100);
+		gr_def(ctx, offset + 0xcc, 0x00000001);
+		gr_def(ctx, offset + 0xd0, 0x00000100);
+		gr_def(ctx, offset + 0xd8, 0x00000001);
+		gr_def(ctx, offset + 0xe4, 0x00000100);
+	}
+	gr_def(ctx, offset + 0xf8, 0x00000004);
+	gr_def(ctx, offset + 0xfc, 0x00000070);
+	gr_def(ctx, offset + 0x100, 0x00000080);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		offset += 4;
+	gr_def(ctx, offset + 0x114, 0x0000000c);
+	if (dev_priv->chipset == 0x50)
+		offset -= 4;
+	gr_def(ctx, offset + 0x11c, 0x00000008);
+	gr_def(ctx, offset + 0x120, 0x00000014);
+	if (dev_priv->chipset == 0x50) {
+		gr_def(ctx, offset + 0x124, 0x00000026);
+		offset -= 0x18;
+	} else {
+		gr_def(ctx, offset + 0x128, 0x00000029);
+		gr_def(ctx, offset + 0x12c, 0x00000027);
+		gr_def(ctx, offset + 0x130, 0x00000026);
+		gr_def(ctx, offset + 0x134, 0x00000008);
+		gr_def(ctx, offset + 0x138, 0x00000004);
+		gr_def(ctx, offset + 0x13c, 0x00000027);
+	}
+	gr_def(ctx, offset + 0x148, 0x00000001);
+	gr_def(ctx, offset + 0x14c, 0x00000002);
+	gr_def(ctx, offset + 0x150, 0x00000003);
+	gr_def(ctx, offset + 0x154, 0x00000004);
+	gr_def(ctx, offset + 0x158, 0x00000005);
+	gr_def(ctx, offset + 0x15c, 0x00000006);
+	gr_def(ctx, offset + 0x160, 0x00000007);
+	gr_def(ctx, offset + 0x164, 0x00000001);
+	gr_def(ctx, offset + 0x1a8, 0x000000cf);
+	if (dev_priv->chipset == 0x50)
+		offset -= 4;
+	gr_def(ctx, offset + 0x1d8, 0x00000080);
+	gr_def(ctx, offset + 0x1dc, 0x00000004);
+	gr_def(ctx, offset + 0x1e0, 0x00000004);
+	if (dev_priv->chipset == 0x50)
+		offset -= 4;
+	else
+		gr_def(ctx, offset + 0x1e4, 0x00000003);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa) {
+		gr_def(ctx, offset + 0x1ec, 0x00000003);
+		offset += 8;
+	}
+	gr_def(ctx, offset + 0x1e8, 0x00000001);
+	if (dev_priv->chipset == 0x50)
+		offset -= 4;
+	gr_def(ctx, offset + 0x1f4, 0x00000012);
+	gr_def(ctx, offset + 0x1f8, 0x00000010);
+	gr_def(ctx, offset + 0x1fc, 0x0000000c);
+	gr_def(ctx, offset + 0x200, 0x00000001);
+	gr_def(ctx, offset + 0x210, 0x00000004);
+	gr_def(ctx, offset + 0x214, 0x00000002);
+	gr_def(ctx, offset + 0x218, 0x00000004);
+	if (dev_priv->chipset >= 0xa0)
+		offset += 4;
+	gr_def(ctx, offset + 0x224, 0x003fffff);
+	gr_def(ctx, offset + 0x228, 0x00001fff);
+	if (dev_priv->chipset == 0x50)
+		offset -= 0x20;
+	else if (dev_priv->chipset >= 0xa0) {
+		gr_def(ctx, offset + 0x250, 0x00000001);
+		gr_def(ctx, offset + 0x254, 0x00000001);
+		gr_def(ctx, offset + 0x258, 0x00000002);
+		offset += 0x10;
+	}
+	gr_def(ctx, offset + 0x250, 0x00000004);
+	gr_def(ctx, offset + 0x254, 0x00000014);
+	gr_def(ctx, offset + 0x258, 0x00000001);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		offset += 4;
+	gr_def(ctx, offset + 0x264, 0x00000002);
+	if (dev_priv->chipset >= 0xa0)
+		offset += 8;
+	gr_def(ctx, offset + 0x270, 0x00000001);
+	gr_def(ctx, offset + 0x278, 0x00000002);
+	gr_def(ctx, offset + 0x27c, 0x00001000);
+	if (dev_priv->chipset == 0x50)
+		offset -= 0xc;
+	else {
+		gr_def(ctx, offset + 0x280, 0x00000e00);
+		gr_def(ctx, offset + 0x284, 0x00001000);
+		gr_def(ctx, offset + 0x288, 0x00001e00);
+	}
+	gr_def(ctx, offset + 0x290, 0x00000001);
+	gr_def(ctx, offset + 0x294, 0x00000001);
+	gr_def(ctx, offset + 0x298, 0x00000001);
+	gr_def(ctx, offset + 0x29c, 0x00000001);
+	gr_def(ctx, offset + 0x2a0, 0x00000001);
+	gr_def(ctx, offset + 0x2b0, 0x00000200);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa) {
+		gr_def(ctx, offset + 0x2b4, 0x00000200);
+		offset += 4;
+	}
+	if (dev_priv->chipset < 0xa0) {
+		gr_def(ctx, offset + 0x2b8, 0x00000001);
+		gr_def(ctx, offset + 0x2bc, 0x00000070);
+		gr_def(ctx, offset + 0x2c0, 0x00000080);
+		gr_def(ctx, offset + 0x2cc, 0x00000001);
+		gr_def(ctx, offset + 0x2d0, 0x00000070);
+		gr_def(ctx, offset + 0x2d4, 0x00000080);
+	} else {
+		gr_def(ctx, offset + 0x2b8, 0x00000001);
+		gr_def(ctx, offset + 0x2bc, 0x000000f0);
+		gr_def(ctx, offset + 0x2c0, 0x000000ff);
+		gr_def(ctx, offset + 0x2cc, 0x00000001);
+		gr_def(ctx, offset + 0x2d0, 0x000000f0);
+		gr_def(ctx, offset + 0x2d4, 0x000000ff);
+		gr_def(ctx, offset + 0x2dc, 0x00000009);
+		offset += 4;
+	}
+	gr_def(ctx, offset + 0x2e4, 0x00000001);
+	gr_def(ctx, offset + 0x2e8, 0x000000cf);
+	gr_def(ctx, offset + 0x2f0, 0x00000001);
+	gr_def(ctx, offset + 0x300, 0x000000cf);
+	gr_def(ctx, offset + 0x308, 0x00000002);
+	gr_def(ctx, offset + 0x310, 0x00000001);
+	gr_def(ctx, offset + 0x318, 0x00000001);
+	gr_def(ctx, offset + 0x320, 0x000000cf);
+	gr_def(ctx, offset + 0x324, 0x000000cf);
+	gr_def(ctx, offset + 0x328, 0x00000001);
+
+	/* 6000? */
+	if (dev_priv->chipset == 0x50)
+		cp_ctx(ctx, 0x4063e0, 0x1);
+
+	/* 6800: M2MF */
+	if (dev_priv->chipset < 0x90) {
+		cp_ctx(ctx, 0x406814, 0x2b);
+		gr_def(ctx, 0x406818, 0x00000f80);
+		gr_def(ctx, 0x406860, 0x007f0080);
+		gr_def(ctx, 0x40689c, 0x007f0080);
+	} else {
+		cp_ctx(ctx, 0x406814, 0x4);
+		if (dev_priv->chipset == 0x98)
+			gr_def(ctx, 0x406818, 0x00000f80);
+		else
+			gr_def(ctx, 0x406818, 0x00001f80);
+		if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+			gr_def(ctx, 0x40681c, 0x00000030);
+		cp_ctx(ctx, 0x406830, 0x3);
+	}
+
+	/* 7000: per-ROP group state */
+	for (i = 0; i < 8; i++) {
+		if (units & (1<<(i+16))) {
+			cp_ctx(ctx, 0x407000 + (i<<8), 3);
+			if (dev_priv->chipset == 0x50)
+				gr_def(ctx, 0x407000 + (i<<8), 0x1b74f820);
+			else if (dev_priv->chipset != 0xa5)
+				gr_def(ctx, 0x407000 + (i<<8), 0x3b74f821);
+			else
+				gr_def(ctx, 0x407000 + (i<<8), 0x7b74f821);
+			gr_def(ctx, 0x407004 + (i<<8), 0x89058001);
+
+			if (dev_priv->chipset == 0x50) {
+				cp_ctx(ctx, 0x407010 + (i<<8), 1);
+			} else if (dev_priv->chipset < 0xa0) {
+				cp_ctx(ctx, 0x407010 + (i<<8), 2);
+				gr_def(ctx, 0x407010 + (i<<8), 0x00001000);
+				gr_def(ctx, 0x407014 + (i<<8), 0x0000001f);
+			} else {
+				cp_ctx(ctx, 0x407010 + (i<<8), 3);
+				gr_def(ctx, 0x407010 + (i<<8), 0x00001000);
+				if (dev_priv->chipset != 0xa5)
+					gr_def(ctx, 0x407014 + (i<<8), 0x000000ff);
+				else
+					gr_def(ctx, 0x407014 + (i<<8), 0x000001ff);
+			}
+
+			cp_ctx(ctx, 0x407080 + (i<<8), 4);
+			if (dev_priv->chipset != 0xa5)
+				gr_def(ctx, 0x407080 + (i<<8), 0x027c10fa);
+			else
+				gr_def(ctx, 0x407080 + (i<<8), 0x827c10fa);
+			if (dev_priv->chipset == 0x50)
+				gr_def(ctx, 0x407084 + (i<<8), 0x000000c0);
+			else
+				gr_def(ctx, 0x407084 + (i<<8), 0x400000c0);
+			gr_def(ctx, 0x407088 + (i<<8), 0xb7892080);
+
+			if (dev_priv->chipset < 0xa0)
+				cp_ctx(ctx, 0x407094 + (i<<8), 1);
+			else if (dev_priv->chipset <= 0xa0 || dev_priv->chipset >= 0xaa)
+				cp_ctx(ctx, 0x407094 + (i<<8), 3);
+			else {
+				cp_ctx(ctx, 0x407094 + (i<<8), 4);
+				gr_def(ctx, 0x4070a0 + (i<<8), 1);
+			}
+		}
+	}
+
+	cp_ctx(ctx, 0x407c00, 0x3);
+	if (dev_priv->chipset < 0x90)
+		gr_def(ctx, 0x407c00, 0x00010040);
+	else if (dev_priv->chipset < 0xa0)
+		gr_def(ctx, 0x407c00, 0x00390040);
+	else
+		gr_def(ctx, 0x407c00, 0x003d0040);
+	gr_def(ctx, 0x407c08, 0x00000022);
+	if (dev_priv->chipset >= 0xa0) {
+		cp_ctx(ctx, 0x407c10, 0x3);
+		cp_ctx(ctx, 0x407c20, 0x1);
+		cp_ctx(ctx, 0x407c2c, 0x1);
+	}
+
+	if (dev_priv->chipset < 0xa0) {
+		cp_ctx(ctx, 0x407d00, 0x9);
+	} else {
+		cp_ctx(ctx, 0x407d00, 0x15);
+	}
+	if (dev_priv->chipset == 0x98)
+		gr_def(ctx, 0x407d08, 0x00380040);
+	else {
+		if (dev_priv->chipset < 0x90)
+			gr_def(ctx, 0x407d08, 0x00010040);
+		else if (dev_priv->chipset < 0xa0)
+			gr_def(ctx, 0x407d08, 0x00390040);
+		else
+			gr_def(ctx, 0x407d08, 0x003d0040);
+		gr_def(ctx, 0x407d0c, 0x00000022);
+	}
+
+	/* 8000+: per-TP state */
+	for (i = 0; i < 10; i++) {
+		if (units & (1<<i)) {
+			if (dev_priv->chipset < 0xa0)
+				base = 0x408000 + (i<<12);
+			else
+				base = 0x408000 + (i<<11);
+			if (dev_priv->chipset < 0xa0)
+				offset = base + 0xc00;
+			else
+				offset = base + 0x80;
+			cp_ctx(ctx, offset + 0x00, 1);
+			gr_def(ctx, offset + 0x00, 0x0000ff0a);
+			cp_ctx(ctx, offset + 0x08, 1);
+
+			/* per-MP state */
+			for (j = 0; j < (dev_priv->chipset < 0xa0 ? 2 : 4); j++) {
+				if (!(units & (1 << (j+24)))) continue;
+				if (dev_priv->chipset < 0xa0)
+					offset = base + 0x200 + (j<<7);
+				else
+					offset = base + 0x100 + (j<<7);
+				cp_ctx(ctx, offset, 0x20);
+				gr_def(ctx, offset + 0x00, 0x01800000);
+				gr_def(ctx, offset + 0x04, 0x00160000);
+				gr_def(ctx, offset + 0x08, 0x01800000);
+				gr_def(ctx, offset + 0x18, 0x0003ffff);
+				switch (dev_priv->chipset) {
+				case 0x50:
+					gr_def(ctx, offset + 0x1c, 0x00080000);
+					break;
+				case 0x84:
+					gr_def(ctx, offset + 0x1c, 0x00880000);
+					break;
+				case 0x86:
+					gr_def(ctx, offset + 0x1c, 0x008c0000);
+					break;
+				case 0x92:
+				case 0x96:
+				case 0x98:
+					gr_def(ctx, offset + 0x1c, 0x118c0000);
+					break;
+				case 0x94:
+					gr_def(ctx, offset + 0x1c, 0x10880000);
+					break;
+				case 0xa0:
+				case 0xa5:
+					gr_def(ctx, offset + 0x1c, 0x310c0000);
+					break;
+				case 0xa8:
+				case 0xaa:
+				case 0xac:
+					gr_def(ctx, offset + 0x1c, 0x300c0000);
+					break;
+				}
+				gr_def(ctx, offset + 0x40, 0x00010401);
+				if (dev_priv->chipset == 0x50)
+					gr_def(ctx, offset + 0x48, 0x00000040);
+				else
+					gr_def(ctx, offset + 0x48, 0x00000078);
+				gr_def(ctx, offset + 0x50, 0x000000bf);
+				gr_def(ctx, offset + 0x58, 0x00001210);
+				if (dev_priv->chipset == 0x50)
+					gr_def(ctx, offset + 0x5c, 0x00000080);
+				else
+					gr_def(ctx, offset + 0x5c, 0x08000080);
+				if (dev_priv->chipset >= 0xa0)
+					gr_def(ctx, offset + 0x68, 0x0000003e);
+			}
+
+			if (dev_priv->chipset < 0xa0)
+				cp_ctx(ctx, base + 0x300, 0x4);
+			else
+				cp_ctx(ctx, base + 0x300, 0x5);
+			if (dev_priv->chipset == 0x50)
+				gr_def(ctx, base + 0x304, 0x00007070);
+			else if (dev_priv->chipset < 0xa0)
+				gr_def(ctx, base + 0x304, 0x00027070);
+			else if (dev_priv->chipset <= 0xa0 || dev_priv->chipset >= 0xaa)
+				gr_def(ctx, base + 0x304, 0x01127070);
+			else
+				gr_def(ctx, base + 0x304, 0x05127070);
+
+			if (dev_priv->chipset < 0xa0)
+				cp_ctx(ctx, base + 0x318, 1);
+			else
+				cp_ctx(ctx, base + 0x320, 1);
+			if (dev_priv->chipset == 0x50)
+				gr_def(ctx, base + 0x318, 0x0003ffff);
+			else if (dev_priv->chipset < 0xa0)
+				gr_def(ctx, base + 0x318, 0x03ffffff);
+			else
+				gr_def(ctx, base + 0x320, 0x07ffffff);
+
+			if (dev_priv->chipset < 0xa0)
+				cp_ctx(ctx, base + 0x324, 5);
+			else
+				cp_ctx(ctx, base + 0x328, 4);
+
+			if (dev_priv->chipset < 0xa0) {
+				cp_ctx(ctx, base + 0x340, 9);
+				offset = base + 0x340;
+			} else if (dev_priv->chipset <= 0xa0 || dev_priv->chipset >= 0xaa) {
+				cp_ctx(ctx, base + 0x33c, 0xb);
+				offset = base + 0x344;
+			} else {
+				cp_ctx(ctx, base + 0x33c, 0xd);
+				offset = base + 0x344;
+			}
+			gr_def(ctx, offset + 0x0, 0x00120407);
+			gr_def(ctx, offset + 0x4, 0x05091507);
+			if (dev_priv->chipset == 0x84)
+				gr_def(ctx, offset + 0x8, 0x05100202);
+			else
+				gr_def(ctx, offset + 0x8, 0x05010202);
+			gr_def(ctx, offset + 0xc, 0x00030201);
+
+			cp_ctx(ctx, base + 0x400, 2);
+			gr_def(ctx, base + 0x404, 0x00000040);
+			cp_ctx(ctx, base + 0x40c, 2);
+			gr_def(ctx, base + 0x40c, 0x0d0c0b0a);
+			gr_def(ctx, base + 0x410, 0x00141210);
+
+			if (dev_priv->chipset < 0xa0)
+				offset = base + 0x800;
+			else
+				offset = base + 0x500;
+			cp_ctx(ctx, offset, 6);
+			gr_def(ctx, offset + 0x0, 0x000001f0);
+			gr_def(ctx, offset + 0x4, 0x00000001);
+			gr_def(ctx, offset + 0x8, 0x00000003);
+			if (dev_priv->chipset == 0x50 || dev_priv->chipset >= 0xaa)
+				gr_def(ctx, offset + 0xc, 0x00008000);
+			gr_def(ctx, offset + 0x14, 0x00039e00);
+			cp_ctx(ctx, offset + 0x1c, 2);
+			if (dev_priv->chipset == 0x50)
+				gr_def(ctx, offset + 0x1c, 0x00000040);
+			else
+				gr_def(ctx, offset + 0x1c, 0x00000100);
+			gr_def(ctx, offset + 0x20, 0x00003800);
+
+			if (dev_priv->chipset >= 0xa0) {
+				cp_ctx(ctx, base + 0x54c, 2);
+				if (dev_priv->chipset <= 0xa0 || dev_priv->chipset >= 0xaa)
+					gr_def(ctx, base + 0x54c, 0x003fe006);
+				else
+					gr_def(ctx, base + 0x54c, 0x003fe007);
+				gr_def(ctx, base + 0x550, 0x003fe000);
+			}
+
+			if (dev_priv->chipset < 0xa0)
+				offset = base + 0xa00;
+			else
+				offset = base + 0x680;
+			cp_ctx(ctx, offset, 1);
+			gr_def(ctx, offset, 0x00404040);
+
+			if (dev_priv->chipset < 0xa0)
+				offset = base + 0xe00;
+			else
+				offset = base + 0x700;
+			cp_ctx(ctx, offset, 2);
+			if (dev_priv->chipset < 0xa0)
+				gr_def(ctx, offset, 0x0077f005);
+			else if (dev_priv->chipset == 0xa5)
+				gr_def(ctx, offset, 0x6cf7f007);
+			else if (dev_priv->chipset == 0xa8)
+				gr_def(ctx, offset, 0x6cfff007);
+			else if (dev_priv->chipset == 0xac)
+				gr_def(ctx, offset, 0x0cfff007);
+			else
+				gr_def(ctx, offset, 0x0cf7f007);
+			if (dev_priv->chipset == 0x50)
+				gr_def(ctx, offset + 0x4, 0x00007fff);
+			else if (dev_priv->chipset < 0xa0)
+				gr_def(ctx, offset + 0x4, 0x003f7fff);
+			else
+				gr_def(ctx, offset + 0x4, 0x02bf7fff);
+			cp_ctx(ctx, offset + 0x2c, 1);
+			if (dev_priv->chipset == 0x50) {
+				cp_ctx(ctx, offset + 0x50, 9);
+				gr_def(ctx, offset + 0x54, 0x000003ff);
+				gr_def(ctx, offset + 0x58, 0x00000003);
+				gr_def(ctx, offset + 0x5c, 0x00000003);
+				gr_def(ctx, offset + 0x60, 0x000001ff);
+				gr_def(ctx, offset + 0x64, 0x0000001f);
+				gr_def(ctx, offset + 0x68, 0x0000000f);
+				gr_def(ctx, offset + 0x6c, 0x0000000f);
+			} else if(dev_priv->chipset < 0xa0) {
+				cp_ctx(ctx, offset + 0x50, 1);
+				cp_ctx(ctx, offset + 0x70, 1);
+			} else {
+				cp_ctx(ctx, offset + 0x50, 1);
+				cp_ctx(ctx, offset + 0x60, 5);
+			}
+		}
+	}
+}
+
+/*
+ * xfer areas. These are a pain.
+ *
+ * There are 2 xfer areas: the first one is big and contains all sorts of
+ * stuff, the second is small and contains some per-TP context.
+ *
+ * Each area is split into 8 "strands". The areas, when saved to grctx,
+ * are made of 8-word blocks. Each block contains a single word from
+ * each strand. The strands are independent of each other, their
+ * addresses are unrelated to each other, and data in them is closely
+ * packed together. The strand layout varies a bit between cards: here
+ * and there, a single word is thrown out in the middle and the whole
+ * strand is offset by a bit from corresponding one on another chipset.
+ * For this reason, addresses of stuff in strands are almost useless.
+ * Knowing sequence of stuff and size of gaps between them is much more
+ * useful, and that's how we build the strands in our generator.
+ *
+ * NVA0 takes this mess to a whole new level by cutting the old strands
+ * into a few dozen pieces [known as genes], rearranging them randomly,
+ * and putting them back together to make new strands. Hopefully these
+ * genes correspond more or less directly to the same PGRAPH subunits
+ * as in 400040 register.
+ *
+ * The most common value in default context is 0, and when the genes
+ * are separated by 0's, gene bounduaries are quite speculative...
+ * some of them can be clearly deduced, others can be guessed, and yet
+ * others won't be resolved without figuring out the real meaning of
+ * given ctxval. For the same reason, ending point of each strand
+ * is unknown. Except for strand 0, which is the longest strand and
+ * its end corresponds to end of the whole xfer.
+ *
+ * An unsolved mystery is the seek instruction: it takes an argument
+ * in bits 8-18, and that argument is clearly the place in strands to
+ * seek to... but the offsets don't seem to correspond to offsets as
+ * seen in grctx. Perhaps there's another, real, not randomly-changing
+ * addressing in strands, and the xfer insn just happens to skip over
+ * the unused bits? NV10-NV30 PIPE comes to mind...
+ *
+ * As far as I know, there's no way to access the xfer areas directly
+ * without the help of ctxprog.
+ */
+
+static inline void
+xf_emit(struct nouveau_grctx *ctx, int num, uint32_t val) {
+	int i;
+	if (val && ctx->mode == NOUVEAU_GRCTX_VALS)
+		for (i = 0; i < num; i++)
+			nv_wo32(ctx->dev, ctx->data, ctx->ctxvals_pos + (i << 3), val);
+	ctx->ctxvals_pos += num << 3;
+}
+
+/* Gene declarations... */
+
+static void nv50_graph_construct_gene_m2mf(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_gene_unk1(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_gene_unk2(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_gene_unk3(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_gene_unk4(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_gene_unk5(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_gene_unk6(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_gene_unk7(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_gene_unk8(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_gene_unk9(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_gene_unk10(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_gene_ropc(struct nouveau_grctx *ctx);
+static void nv50_graph_construct_xfer_tp(struct nouveau_grctx *ctx);
+
+static void
+nv50_graph_construct_xfer1(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	int i;
+	int offset;
+	int size = 0;
+	uint32_t units = nv_rd32 (ctx->dev, 0x1540);
+
+	offset = (ctx->ctxvals_pos+0x3f)&~0x3f;
+	ctx->ctxvals_base = offset;
+
+	if (dev_priv->chipset < 0xa0) {
+		/* Strand 0 */
+		ctx->ctxvals_pos = offset;
+		switch (dev_priv->chipset) {
+		case 0x50:
+			xf_emit(ctx, 0x99, 0);
+			break;
+		case 0x84:
+		case 0x86:
+			xf_emit(ctx, 0x384, 0);
+			break;
+		case 0x92:
+		case 0x94:
+		case 0x96:
+		case 0x98:
+			xf_emit(ctx, 0x380, 0);
+			break;
+		}
+		nv50_graph_construct_gene_m2mf (ctx);
+		switch (dev_priv->chipset) {
+		case 0x50:
+		case 0x84:
+		case 0x86:
+		case 0x98:
+			xf_emit(ctx, 0x4c4, 0);
+			break;
+		case 0x92:
+		case 0x94:
+		case 0x96:
+			xf_emit(ctx, 0x984, 0);
+			break;
+		}
+		nv50_graph_construct_gene_unk5(ctx);
+		if (dev_priv->chipset == 0x50)
+			xf_emit(ctx, 0xa, 0);
+		else
+			xf_emit(ctx, 0xb, 0);
+		nv50_graph_construct_gene_unk4(ctx);
+		nv50_graph_construct_gene_unk3(ctx);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strand 1 */
+		ctx->ctxvals_pos = offset + 0x1;
+		nv50_graph_construct_gene_unk6(ctx);
+		nv50_graph_construct_gene_unk7(ctx);
+		nv50_graph_construct_gene_unk8(ctx);
+		switch (dev_priv->chipset) {
+		case 0x50:
+		case 0x92:
+			xf_emit(ctx, 0xfb, 0);
+			break;
+		case 0x84:
+			xf_emit(ctx, 0xd3, 0);
+			break;
+		case 0x94:
+		case 0x96:
+			xf_emit(ctx, 0xab, 0);
+			break;
+		case 0x86:
+		case 0x98:
+			xf_emit(ctx, 0x6b, 0);
+			break;
+		}
+		xf_emit(ctx, 2, 0x4e3bfdf);
+		xf_emit(ctx, 4, 0);
+		xf_emit(ctx, 1, 0x0fac6881);
+		xf_emit(ctx, 0xb, 0);
+		xf_emit(ctx, 2, 0x4e3bfdf);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strand 2 */
+		ctx->ctxvals_pos = offset + 0x2;
+		switch (dev_priv->chipset) {
+		case 0x50:
+		case 0x92:
+			xf_emit(ctx, 0xa80, 0);
+			break;
+		case 0x84:
+			xf_emit(ctx, 0xa7e, 0);
+			break;
+		case 0x94:
+		case 0x96:
+			xf_emit(ctx, 0xa7c, 0);
+			break;
+		case 0x86:
+		case 0x98:
+			xf_emit(ctx, 0xa7a, 0);
+			break;
+		}
+		xf_emit(ctx, 1, 0x3fffff);
+		xf_emit(ctx, 2, 0);
+		xf_emit(ctx, 1, 0x1fff);
+		xf_emit(ctx, 0xe, 0);
+		nv50_graph_construct_gene_unk9(ctx);
+		nv50_graph_construct_gene_unk2(ctx);
+		nv50_graph_construct_gene_unk1(ctx);
+		nv50_graph_construct_gene_unk10(ctx);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strand 3: per-ROP group state */
+		ctx->ctxvals_pos = offset + 3;
+		for (i = 0; i < 6; i++)
+			if (units & (1 << (i + 16)))
+				nv50_graph_construct_gene_ropc(ctx);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strands 4-7: per-TP state */
+		for (i = 0; i < 4; i++) {
+			ctx->ctxvals_pos = offset + 4 + i;
+			if (units & (1 << (2 * i)))
+				nv50_graph_construct_xfer_tp(ctx);
+			if (units & (1 << (2 * i + 1)))
+				nv50_graph_construct_xfer_tp(ctx);
+			if ((ctx->ctxvals_pos-offset)/8 > size)
+				size = (ctx->ctxvals_pos-offset)/8;
+		}
+	} else {
+		/* Strand 0 */
+		ctx->ctxvals_pos = offset;
+		if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+			xf_emit(ctx, 0x385, 0);
+		else
+			xf_emit(ctx, 0x384, 0);
+		nv50_graph_construct_gene_m2mf(ctx);
+		xf_emit(ctx, 0x950, 0);
+		nv50_graph_construct_gene_unk10(ctx);
+		xf_emit(ctx, 1, 0x0fac6881);
+		if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa) {
+			xf_emit(ctx, 1, 1);
+			xf_emit(ctx, 3, 0);
+		}
+		nv50_graph_construct_gene_unk8(ctx);
+		if (dev_priv->chipset == 0xa0)
+			xf_emit(ctx, 0x189, 0);
+		else if (dev_priv->chipset < 0xa8)
+			xf_emit(ctx, 0x99, 0);
+		else if (dev_priv->chipset == 0xaa)
+			xf_emit(ctx, 0x65, 0);
+		else
+			xf_emit(ctx, 0x6d, 0);
+		nv50_graph_construct_gene_unk9(ctx);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strand 1 */
+		ctx->ctxvals_pos = offset + 1;
+		nv50_graph_construct_gene_unk1(ctx);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strand 2 */
+		ctx->ctxvals_pos = offset + 2;
+		if (dev_priv->chipset == 0xa0) {
+			nv50_graph_construct_gene_unk2(ctx);
+		}
+		xf_emit(ctx, 0x36, 0);
+		nv50_graph_construct_gene_unk5(ctx);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strand 3 */
+		ctx->ctxvals_pos = offset + 3;
+		xf_emit(ctx, 1, 0);
+		xf_emit(ctx, 1, 1);
+		nv50_graph_construct_gene_unk6(ctx);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strand 4 */
+		ctx->ctxvals_pos = offset + 4;
+		if (dev_priv->chipset == 0xa0)
+			xf_emit(ctx, 0xa80, 0);
+		else
+			xf_emit(ctx, 0xa7a, 0);
+		xf_emit(ctx, 1, 0x3fffff);
+		xf_emit(ctx, 2, 0);
+		xf_emit(ctx, 1, 0x1fff);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strand 5 */
+		ctx->ctxvals_pos = offset + 5;
+		xf_emit(ctx, 1, 0);
+		xf_emit(ctx, 1, 0x0fac6881);
+		xf_emit(ctx, 0xb, 0);
+		xf_emit(ctx, 2, 0x4e3bfdf);
+		xf_emit(ctx, 3, 0);
+		if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+			xf_emit(ctx, 1, 0x11);
+		xf_emit(ctx, 1, 0);
+		xf_emit(ctx, 2, 0x4e3bfdf);
+		xf_emit(ctx, 2, 0);
+		if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+			xf_emit(ctx, 1, 0x11);
+		xf_emit(ctx, 1, 0);
+		for (i = 0; i < 8; i++)
+			if (units & (1<<(i+16)))
+				nv50_graph_construct_gene_ropc(ctx);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strand 6 */
+		ctx->ctxvals_pos = offset + 6;
+		nv50_graph_construct_gene_unk3(ctx);
+		xf_emit(ctx, 0xb, 0);
+		nv50_graph_construct_gene_unk4(ctx);
+		nv50_graph_construct_gene_unk7(ctx);
+		if (units & (1 << 0))
+			nv50_graph_construct_xfer_tp(ctx);
+		if (units & (1 << 1))
+			nv50_graph_construct_xfer_tp(ctx);
+		if (units & (1 << 2))
+			nv50_graph_construct_xfer_tp(ctx);
+		if (units & (1 << 3))
+			nv50_graph_construct_xfer_tp(ctx);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strand 7 */
+		ctx->ctxvals_pos = offset + 7;
+		if (dev_priv->chipset == 0xa0) {
+			if (units & (1 << 4))
+				nv50_graph_construct_xfer_tp(ctx);
+			if (units & (1 << 5))
+				nv50_graph_construct_xfer_tp(ctx);
+			if (units & (1 << 6))
+				nv50_graph_construct_xfer_tp(ctx);
+			if (units & (1 << 7))
+				nv50_graph_construct_xfer_tp(ctx);
+			if (units & (1 << 8))
+				nv50_graph_construct_xfer_tp(ctx);
+			if (units & (1 << 9))
+				nv50_graph_construct_xfer_tp(ctx);
+		} else {
+			nv50_graph_construct_gene_unk2(ctx);
+		}
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+	}
+
+	ctx->ctxvals_pos = offset + size * 8;
+	ctx->ctxvals_pos = (ctx->ctxvals_pos+0x3f)&~0x3f;
+	cp_lsr (ctx, offset);
+	cp_out (ctx, CP_SET_XFER_POINTER);
+	cp_lsr (ctx, size);
+	cp_out (ctx, CP_SEEK_1);
+	cp_out (ctx, CP_XFER_1);
+	cp_wait(ctx, XFER, BUSY);
+}
+
+/*
+ * non-trivial demagiced parts of ctx init go here
+ */
+
+static void
+nv50_graph_construct_gene_m2mf(struct nouveau_grctx *ctx)
+{
+	/* m2mf state */
+	xf_emit (ctx, 1, 0);		/* DMA_NOTIFY instance >> 4 */
+	xf_emit (ctx, 1, 0);		/* DMA_BUFFER_IN instance >> 4 */
+	xf_emit (ctx, 1, 0);		/* DMA_BUFFER_OUT instance >> 4 */
+	xf_emit (ctx, 1, 0);		/* OFFSET_IN */
+	xf_emit (ctx, 1, 0);		/* OFFSET_OUT */
+	xf_emit (ctx, 1, 0);		/* PITCH_IN */
+	xf_emit (ctx, 1, 0);		/* PITCH_OUT */
+	xf_emit (ctx, 1, 0);		/* LINE_LENGTH */
+	xf_emit (ctx, 1, 0);		/* LINE_COUNT */
+	xf_emit (ctx, 1, 0x21);		/* FORMAT: bits 0-4 INPUT_INC, bits 5-9 OUTPUT_INC */
+	xf_emit (ctx, 1, 1);		/* LINEAR_IN */
+	xf_emit (ctx, 1, 0x2);		/* TILING_MODE_IN: bits 0-2 y tiling, bits 3-5 z tiling */
+	xf_emit (ctx, 1, 0x100);	/* TILING_PITCH_IN */
+	xf_emit (ctx, 1, 0x100);	/* TILING_HEIGHT_IN */
+	xf_emit (ctx, 1, 1);		/* TILING_DEPTH_IN */
+	xf_emit (ctx, 1, 0);		/* TILING_POSITION_IN_Z */
+	xf_emit (ctx, 1, 0);		/* TILING_POSITION_IN */
+	xf_emit (ctx, 1, 1);		/* LINEAR_OUT */
+	xf_emit (ctx, 1, 0x2);		/* TILING_MODE_OUT: bits 0-2 y tiling, bits 3-5 z tiling */
+	xf_emit (ctx, 1, 0x100);	/* TILING_PITCH_OUT */
+	xf_emit (ctx, 1, 0x100);	/* TILING_HEIGHT_OUT */
+	xf_emit (ctx, 1, 1);		/* TILING_DEPTH_OUT */
+	xf_emit (ctx, 1, 0);		/* TILING_POSITION_OUT_Z */
+	xf_emit (ctx, 1, 0);		/* TILING_POSITION_OUT */
+	xf_emit (ctx, 1, 0);		/* OFFSET_IN_HIGH */
+	xf_emit (ctx, 1, 0);		/* OFFSET_OUT_HIGH */
+}
+
+static void
+nv50_graph_construct_gene_unk1(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	/* end of area 2 on pre-NVA0, area 1 on NVAx */
+	xf_emit(ctx, 2, 4);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x80);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 0x80c14);
+	xf_emit(ctx, 1, 0);
+	if (dev_priv->chipset == 0x50)
+		xf_emit(ctx, 1, 0x3ff);
+	else
+		xf_emit(ctx, 1, 0x7ff);
+	switch (dev_priv->chipset) {
+	case 0x50:
+	case 0x86:
+	case 0x98:
+	case 0xaa:
+	case 0xac:
+		xf_emit(ctx, 0x542, 0);
+		break;
+	case 0x84:
+	case 0x92:
+	case 0x94:
+	case 0x96:
+		xf_emit(ctx, 0x942, 0);
+		break;
+	case 0xa0:
+		xf_emit(ctx, 0x2042, 0);
+		break;
+	case 0xa5:
+	case 0xa8:
+		xf_emit(ctx, 0x842, 0);
+		break;
+	}
+	xf_emit(ctx, 2, 4);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x80);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x27);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x26);
+	xf_emit(ctx, 3, 0);
+}
+
+static void
+nv50_graph_construct_gene_unk10(struct nouveau_grctx *ctx)
+{
+	/* end of area 2 on pre-NVA0, area 1 on NVAx */
+	xf_emit(ctx, 0x10, 0x04000000);
+	xf_emit(ctx, 0x24, 0);
+	xf_emit(ctx, 2, 0x04e3bfdf);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 0x1fe21);
+}
+
+static void
+nv50_graph_construct_gene_unk2(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	/* middle of area 2 on pre-NVA0, beginning of area 2 on NVA0, area 7 on >NVA0 */
+	if (dev_priv->chipset != 0x50) {
+		xf_emit(ctx, 5, 0);
+		xf_emit(ctx, 1, 0x80c14);
+		xf_emit(ctx, 2, 0);
+		xf_emit(ctx, 1, 0x804);
+		xf_emit(ctx, 1, 0);
+		xf_emit(ctx, 2, 4);
+		xf_emit(ctx, 1, 0x8100c12);
+	}
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 2, 4);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x10);
+	if (dev_priv->chipset == 0x50)
+		xf_emit(ctx, 3, 0);
+	else
+		xf_emit(ctx, 4, 0);
+	xf_emit(ctx, 1, 0x804);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0x1a);
+	if (dev_priv->chipset != 0x50)
+		xf_emit(ctx, 1, 0x7f);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0x80c14);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x8100c12);
+	xf_emit(ctx, 2, 4);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x10);
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0x8100c12);
+	xf_emit(ctx, 6, 0);
+	if (dev_priv->chipset == 0x50)
+		xf_emit(ctx, 1, 0x3ff);
+	else
+		xf_emit(ctx, 1, 0x7ff);
+	xf_emit(ctx, 1, 0x80c14);
+	xf_emit(ctx, 0x38, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 0x10);
+	xf_emit(ctx, 0x38, 0);
+	xf_emit(ctx, 2, 0x88);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 0x16, 0);
+	xf_emit(ctx, 1, 0x26);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 0x3f800000);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 4, 0);
+	else
+		xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 0x1a);
+	xf_emit(ctx, 1, 0x10);
+	if (dev_priv->chipset != 0x50)
+		xf_emit(ctx, 0x28, 0);
+	else
+		xf_emit(ctx, 0x25, 0);
+	xf_emit(ctx, 1, 0x52);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x26);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 2, 4);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x1a);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 0x00ffff00);
+	xf_emit(ctx, 1, 0);
+}
+
+static void
+nv50_graph_construct_gene_unk3(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	/* end of area 0 on pre-NVA0, beginning of area 6 on NVAx */
+	xf_emit(ctx, 1, 0x3f);
+	xf_emit(ctx, 0xa, 0);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 2, 0x04000000);
+	xf_emit(ctx, 8, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 4);
+	if (dev_priv->chipset == 0x50)
+		xf_emit(ctx, 0x10, 0);
+	else
+		xf_emit(ctx, 0x11, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0x1001);
+	xf_emit(ctx, 4, 0xffff);
+	xf_emit(ctx, 0x20, 0);
+	xf_emit(ctx, 0x10, 0x3f800000);
+	xf_emit(ctx, 1, 0x10);
+	if (dev_priv->chipset == 0x50)
+		xf_emit(ctx, 1, 0);
+	else
+		xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 3);
+	xf_emit(ctx, 2, 0);
+}
+
+static void
+nv50_graph_construct_gene_unk4(struct nouveau_grctx *ctx)
+{
+	/* middle of area 0 on pre-NVA0, middle of area 6 on NVAx */
+	xf_emit(ctx, 2, 0x04000000);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x80);
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 0x80);
+	xf_emit(ctx, 1, 0);
+}
+
+static void
+nv50_graph_construct_gene_unk5(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	/* middle of area 0 on pre-NVA0 [after m2mf], end of area 2 on NVAx */
+	xf_emit(ctx, 2, 4);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 0x1c4d, 0);
+	else
+		xf_emit(ctx, 0x1c4b, 0);
+	xf_emit(ctx, 2, 4);
+	xf_emit(ctx, 1, 0x8100c12);
+	if (dev_priv->chipset != 0x50)
+		xf_emit(ctx, 1, 3);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x8100c12);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x80c14);
+	xf_emit(ctx, 1, 1);
+	if (dev_priv->chipset >= 0xa0)
+		xf_emit(ctx, 2, 4);
+	xf_emit(ctx, 1, 0x80c14);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 0x8100c12);
+	xf_emit(ctx, 1, 0x27);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 0x3c1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 0x16, 0);
+	xf_emit(ctx, 1, 0x8100c12);
+	xf_emit(ctx, 1, 0);
+}
+
+static void
+nv50_graph_construct_gene_unk6(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	/* beginning of area 1 on pre-NVA0 [after m2mf], area 3 on NVAx */
+	xf_emit(ctx, 4, 0);
+	xf_emit(ctx, 1, 0xf);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 8, 0);
+	else
+		xf_emit(ctx, 4, 0);
+	xf_emit(ctx, 1, 0x20);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 0x11, 0);
+	else if (dev_priv->chipset >= 0xa0)
+		xf_emit(ctx, 0xf, 0);
+	else
+		xf_emit(ctx, 0xe, 0);
+	xf_emit(ctx, 1, 0x1a);
+	xf_emit(ctx, 0xd, 0);
+	xf_emit(ctx, 2, 4);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 8);
+	xf_emit(ctx, 1, 0);
+	if (dev_priv->chipset == 0x50)
+		xf_emit(ctx, 1, 0x3ff);
+	else
+		xf_emit(ctx, 1, 0x7ff);
+	if (dev_priv->chipset == 0xa8)
+		xf_emit(ctx, 1, 0x1e00);
+	xf_emit(ctx, 0xc, 0);
+	xf_emit(ctx, 1, 0xf);
+	if (dev_priv->chipset == 0x50)
+		xf_emit(ctx, 0x125, 0);
+	else if (dev_priv->chipset < 0xa0)
+		xf_emit(ctx, 0x126, 0);
+	else if (dev_priv->chipset == 0xa0 || dev_priv->chipset >= 0xaa)
+		xf_emit(ctx, 0x124, 0);
+	else
+		xf_emit(ctx, 0x1f7, 0);
+	xf_emit(ctx, 1, 0xf);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 3, 0);
+	else
+		xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 0xa1, 0);
+	else
+		xf_emit(ctx, 0x5a, 0);
+	xf_emit(ctx, 1, 0xf);
+	if (dev_priv->chipset < 0xa0)
+		xf_emit(ctx, 0x834, 0);
+	else if (dev_priv->chipset == 0xa0)
+		xf_emit(ctx, 0x1873, 0);
+	else if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 0x8ba, 0);
+	else
+		xf_emit(ctx, 0x833, 0);
+	xf_emit(ctx, 1, 0xf);
+	xf_emit(ctx, 0xf, 0);
+}
+
+static void
+nv50_graph_construct_gene_unk7(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	/* middle of area 1 on pre-NVA0 [after m2mf], middle of area 6 on NVAx */
+	xf_emit(ctx, 2, 0);
+	if (dev_priv->chipset == 0x50)
+		xf_emit(ctx, 2, 1);
+	else
+		xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 2, 0x100);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 8);
+	xf_emit(ctx, 5, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 3, 1);
+	xf_emit(ctx, 1, 0xcf);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 6, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 3, 1);
+	xf_emit(ctx, 4, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0x15);
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 0x4444480);
+	xf_emit(ctx, 0x37, 0);
+}
+
+static void
+nv50_graph_construct_gene_unk8(struct nouveau_grctx *ctx)
+{
+	/* middle of area 1 on pre-NVA0 [after m2mf], middle of area 0 on NVAx */
+	xf_emit(ctx, 4, 0);
+	xf_emit(ctx, 1, 0x8100c12);
+	xf_emit(ctx, 4, 0);
+	xf_emit(ctx, 1, 0x100);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 0x10001);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x10001);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0x10001);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 2);
+}
+
+static void
+nv50_graph_construct_gene_unk9(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	/* middle of area 2 on pre-NVA0 [after m2mf], end of area 0 on NVAx */
+	xf_emit(ctx, 1, 0x3f800000);
+	xf_emit(ctx, 6, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 0x1a);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 0x12, 0);
+	xf_emit(ctx, 1, 0x00ffff00);
+	xf_emit(ctx, 6, 0);
+	xf_emit(ctx, 1, 0xf);
+	xf_emit(ctx, 7, 0);
+	xf_emit(ctx, 1, 0x0fac6881);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 0xf, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 2, 0);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 1, 3);
+	else if (dev_priv->chipset >= 0xa0)
+		xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 2, 0x04000000);
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 5);
+	xf_emit(ctx, 1, 0x52);
+	if (dev_priv->chipset == 0x50) {
+		xf_emit(ctx, 0x13, 0);
+	} else {
+		xf_emit(ctx, 4, 0);
+		xf_emit(ctx, 1, 1);
+		if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+			xf_emit(ctx, 0x11, 0);
+		else
+			xf_emit(ctx, 0x10, 0);
+	}
+	xf_emit(ctx, 0x10, 0x3f800000);
+	xf_emit(ctx, 1, 0x10);
+	xf_emit(ctx, 0x26, 0);
+	xf_emit(ctx, 1, 0x8100c12);
+	xf_emit(ctx, 1, 5);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 4, 0xffff);
+	if (dev_priv->chipset != 0x50)
+		xf_emit(ctx, 1, 3);
+	if (dev_priv->chipset < 0xa0)
+		xf_emit(ctx, 0x1f, 0);
+	else if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 0xc, 0);
+	else
+		xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 0x00ffff00);
+	xf_emit(ctx, 1, 0x1a);
+	if (dev_priv->chipset != 0x50) {
+		xf_emit(ctx, 1, 0);
+		xf_emit(ctx, 1, 3);
+	}
+	if (dev_priv->chipset < 0xa0)
+		xf_emit(ctx, 0x26, 0);
+	else
+		xf_emit(ctx, 0x3c, 0);
+	xf_emit(ctx, 1, 0x102);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 4, 4);
+	if (dev_priv->chipset >= 0xa0)
+		xf_emit(ctx, 8, 0);
+	xf_emit(ctx, 2, 4);
+	xf_emit(ctx, 1, 0);
+	if (dev_priv->chipset == 0x50)
+		xf_emit(ctx, 1, 0x3ff);
+	else
+		xf_emit(ctx, 1, 0x7ff);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x102);
+	xf_emit(ctx, 9, 0);
+	xf_emit(ctx, 4, 4);
+	xf_emit(ctx, 0x2c, 0);
+}
+
+static void
+nv50_graph_construct_gene_ropc(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	int magic2;
+	if (dev_priv->chipset == 0x50) {
+		magic2 = 0x00003e60;
+	} else if (dev_priv->chipset <= 0xa0 || dev_priv->chipset >= 0xaa) {
+		magic2 = 0x001ffe67;
+	} else {
+		magic2 = 0x00087e67;
+	}
+	xf_emit(ctx, 8, 0);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, magic2);
+	xf_emit(ctx, 4, 0);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 7, 0);
+	if (dev_priv->chipset >= 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 1, 0x15);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0x10);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 4, 0);
+	if (dev_priv->chipset == 0x86 || dev_priv->chipset == 0x92 || dev_priv->chipset == 0x98 || dev_priv->chipset >= 0xa0) {
+		xf_emit(ctx, 1, 4);
+		xf_emit(ctx, 1, 0x400);
+		xf_emit(ctx, 1, 0x300);
+		xf_emit(ctx, 1, 0x1001);
+		if (dev_priv->chipset != 0xa0) {
+			if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+				xf_emit(ctx, 1, 0);
+			else
+				xf_emit(ctx, 1, 0x15);
+		}
+		xf_emit(ctx, 3, 0);
+	}
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 8, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0x10);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 0x13, 0);
+	xf_emit(ctx, 1, 0x10);
+	xf_emit(ctx, 0x10, 0);
+	xf_emit(ctx, 0x10, 0x3f800000);
+	xf_emit(ctx, 0x19, 0);
+	xf_emit(ctx, 1, 0x10);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x3f);
+	xf_emit(ctx, 6, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	if (dev_priv->chipset >= 0xa0) {
+		xf_emit(ctx, 2, 0);
+		xf_emit(ctx, 1, 0x1001);
+		xf_emit(ctx, 0xb, 0);
+	} else {
+		xf_emit(ctx, 0xc, 0);
+	}
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 7, 0);
+	xf_emit(ctx, 1, 0xf);
+	xf_emit(ctx, 7, 0);
+	xf_emit(ctx, 1, 0x11);
+	if (dev_priv->chipset == 0x50)
+		xf_emit(ctx, 4, 0);
+	else
+		xf_emit(ctx, 6, 0);
+	xf_emit(ctx, 3, 1);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, magic2);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x0fac6881);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa) {
+		xf_emit(ctx, 1, 0);
+		xf_emit(ctx, 0x18, 1);
+		xf_emit(ctx, 8, 2);
+		xf_emit(ctx, 8, 1);
+		xf_emit(ctx, 8, 2);
+		xf_emit(ctx, 8, 1);
+		xf_emit(ctx, 3, 0);
+		xf_emit(ctx, 1, 1);
+		xf_emit(ctx, 5, 0);
+		xf_emit(ctx, 1, 1);
+		xf_emit(ctx, 0x16, 0);
+	} else {
+		if (dev_priv->chipset >= 0xa0)
+			xf_emit(ctx, 0x1b, 0);
+		else
+			xf_emit(ctx, 0x15, 0);
+	}
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 2, 1);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 2, 1);
+	if (dev_priv->chipset >= 0xa0)
+		xf_emit(ctx, 4, 0);
+	else
+		xf_emit(ctx, 3, 0);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa) {
+		xf_emit(ctx, 0x10, 1);
+		xf_emit(ctx, 8, 2);
+		xf_emit(ctx, 0x10, 1);
+		xf_emit(ctx, 8, 2);
+		xf_emit(ctx, 8, 1);
+		xf_emit(ctx, 3, 0);
+	}
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 0x5b, 0);
+}
+
+static void
+nv50_graph_construct_xfer_tp_x1(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	int magic3;
+	if (dev_priv->chipset == 0x50)
+		magic3 = 0x1000;
+	else if (dev_priv->chipset == 0x86 || dev_priv->chipset == 0x98 || dev_priv->chipset >= 0xa8)
+		magic3 = 0x1e00;
+	else
+		magic3 = 0;
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 4);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 0x24, 0);
+	else if (dev_priv->chipset >= 0xa0)
+		xf_emit(ctx, 0x14, 0);
+	else
+		xf_emit(ctx, 0x15, 0);
+	xf_emit(ctx, 2, 4);
+	if (dev_priv->chipset >= 0xa0)
+		xf_emit(ctx, 1, 0x03020100);
+	else
+		xf_emit(ctx, 1, 0x00608080);
+	xf_emit(ctx, 4, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 2, 4);
+	xf_emit(ctx, 1, 0x80);
+	if (magic3)
+		xf_emit(ctx, 1, magic3);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 0x24, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 0x80);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 0x03020100);
+	xf_emit(ctx, 1, 3);
+	if (magic3)
+		xf_emit(ctx, 1, magic3);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 4, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 3);
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 4);
+	if (dev_priv->chipset == 0x94 || dev_priv->chipset == 0x96)
+		xf_emit(ctx, 0x1024, 0);
+	else if (dev_priv->chipset < 0xa0)
+		xf_emit(ctx, 0xa24, 0);
+	else if (dev_priv->chipset == 0xa0 || dev_priv->chipset >= 0xaa)
+		xf_emit(ctx, 0x214, 0);
+	else
+		xf_emit(ctx, 0x414, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 3);
+	xf_emit(ctx, 2, 0);
+}
+
+static void
+nv50_graph_construct_xfer_tp_x2(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	int magic1, magic2;
+	if (dev_priv->chipset == 0x50) {
+		magic1 = 0x3ff;
+		magic2 = 0x00003e60;
+	} else if (dev_priv->chipset <= 0xa0 || dev_priv->chipset >= 0xaa) {
+		magic1 = 0x7ff;
+		magic2 = 0x001ffe67;
+	} else {
+		magic1 = 0x7ff;
+		magic2 = 0x00087e67;
+	}
+	xf_emit(ctx, 3, 0);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 0xc, 0);
+	xf_emit(ctx, 1, 0xf);
+	xf_emit(ctx, 0xb, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 4, 0xffff);
+	xf_emit(ctx, 8, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 5, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 2, 0);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa) {
+		xf_emit(ctx, 1, 3);
+		xf_emit(ctx, 1, 0);
+	} else if (dev_priv->chipset >= 0xa0)
+		xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 0xa, 0);
+	xf_emit(ctx, 2, 1);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 2, 1);
+	xf_emit(ctx, 1, 2);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa) {
+		xf_emit(ctx, 1, 0);
+		xf_emit(ctx, 0x18, 1);
+		xf_emit(ctx, 8, 2);
+		xf_emit(ctx, 8, 1);
+		xf_emit(ctx, 8, 2);
+		xf_emit(ctx, 8, 1);
+		xf_emit(ctx, 1, 0);
+	}
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 7, 0);
+	xf_emit(ctx, 1, 0x0fac6881);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 3, 0xcf);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 0xa, 0);
+	xf_emit(ctx, 2, 1);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 2, 1);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 8, 1);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 7, 0);
+	xf_emit(ctx, 1, 0x0fac6881);
+	xf_emit(ctx, 1, 0xf);
+	xf_emit(ctx, 7, 0);
+	xf_emit(ctx, 1, magic2);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 0x11);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 2, 1);
+	else
+		xf_emit(ctx, 1, 1);
+	if(dev_priv->chipset == 0x50)
+		xf_emit(ctx, 1, 0);
+	else
+		xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 5, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 4, 0);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 7, 0);
+	xf_emit(ctx, 1, 0x0fac6881);
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, magic1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 2, 0);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 0x28, 0);
+	xf_emit(ctx, 8, 8);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 7, 0);
+	xf_emit(ctx, 1, 0x0fac6881);
+	xf_emit(ctx, 8, 0x400);
+	xf_emit(ctx, 8, 0x300);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0xf);
+	xf_emit(ctx, 7, 0);
+	xf_emit(ctx, 1, 0x20);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 1, 0x100);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 0x40);
+	xf_emit(ctx, 1, 0x100);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 3);
+	xf_emit(ctx, 4, 0);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, magic2);
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 1, 0x0fac6881);
+	xf_emit(ctx, 9, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 4, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0x400);
+	xf_emit(ctx, 1, 0x300);
+	xf_emit(ctx, 1, 0x1001);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 4, 0);
+	else
+		xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 7, 0);
+	xf_emit(ctx, 1, 0x0fac6881);
+	xf_emit(ctx, 1, 0xf);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa) {
+		xf_emit(ctx, 0x15, 0);
+		xf_emit(ctx, 1, 1);
+		xf_emit(ctx, 3, 0);
+	} else
+		xf_emit(ctx, 0x17, 0);
+	if (dev_priv->chipset >= 0xa0)
+		xf_emit(ctx, 1, 0x0fac6881);
+	xf_emit(ctx, 1, magic2);
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 2, 1);
+	xf_emit(ctx, 3, 0);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 2, 1);
+	else
+		xf_emit(ctx, 1, 1);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 2, 0);
+	else if (dev_priv->chipset != 0x50)
+		xf_emit(ctx, 1, 0);
+}
+
+static void
+nv50_graph_construct_xfer_tp_x3(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	if (dev_priv->chipset == 0x50)
+		xf_emit(ctx, 2, 0);
+	else
+		xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 0x2a712488);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x4085c000);
+	xf_emit(ctx, 1, 0x40);
+	xf_emit(ctx, 1, 0x100);
+	xf_emit(ctx, 1, 0x10100);
+	xf_emit(ctx, 1, 0x02800000);
+}
+
+static void
+nv50_graph_construct_xfer_tp_x4(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	xf_emit(ctx, 2, 0x04e3bfdf);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x00ffff00);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 2, 1);
+	else
+		xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 0x00ffff00);
+	xf_emit(ctx, 8, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0x30201000);
+	xf_emit(ctx, 1, 0x70605040);
+	xf_emit(ctx, 1, 0xb8a89888);
+	xf_emit(ctx, 1, 0xf8e8d8c8);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x1a);
+}
+
+static void
+nv50_graph_construct_xfer_tp_x5(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 0xfac6881);
+	xf_emit(ctx, 4, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 2, 1);
+	xf_emit(ctx, 2, 0);
+	xf_emit(ctx, 1, 1);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 0xb, 0);
+	else
+		xf_emit(ctx, 0xa, 0);
+	xf_emit(ctx, 8, 1);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 7, 0);
+	xf_emit(ctx, 1, 0xfac6881);
+	xf_emit(ctx, 1, 0xf);
+	xf_emit(ctx, 7, 0);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 1, 1);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa) {
+		xf_emit(ctx, 6, 0);
+		xf_emit(ctx, 1, 1);
+		xf_emit(ctx, 6, 0);
+	} else {
+		xf_emit(ctx, 0xb, 0);
+	}
+}
+
+static void
+nv50_graph_construct_xfer_tp(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	if (dev_priv->chipset < 0xa0) {
+		nv50_graph_construct_xfer_tp_x1(ctx);
+		nv50_graph_construct_xfer_tp_x2(ctx);
+		nv50_graph_construct_xfer_tp_x3(ctx);
+		if (dev_priv->chipset == 0x50)
+			xf_emit(ctx, 0xf, 0);
+		else
+			xf_emit(ctx, 0x12, 0);
+		nv50_graph_construct_xfer_tp_x4(ctx);
+	} else {
+		nv50_graph_construct_xfer_tp_x3(ctx);
+		if (dev_priv->chipset < 0xaa)
+			xf_emit(ctx, 0xc, 0);
+		else
+			xf_emit(ctx, 0xa, 0);
+		nv50_graph_construct_xfer_tp_x2(ctx);
+		nv50_graph_construct_xfer_tp_x5(ctx);
+		nv50_graph_construct_xfer_tp_x4(ctx);
+		nv50_graph_construct_xfer_tp_x1(ctx);
+	}
+}
+
+static void
+nv50_graph_construct_xfer_tp2(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	int i, mpcnt;
+	if (dev_priv->chipset == 0x98 || dev_priv->chipset == 0xaa)
+		mpcnt = 1;
+	else if (dev_priv->chipset < 0xa0 || dev_priv->chipset >= 0xa8)
+		mpcnt = 2;
+	else
+		mpcnt = 3;
+	for (i = 0; i < mpcnt; i++) {
+		xf_emit(ctx, 1, 0);
+		xf_emit(ctx, 1, 0x80);
+		xf_emit(ctx, 1, 0x80007004);
+		xf_emit(ctx, 1, 0x04000400);
+		if (dev_priv->chipset >= 0xa0)
+			xf_emit(ctx, 1, 0xc0);
+		xf_emit(ctx, 1, 0x1000);
+		xf_emit(ctx, 2, 0);
+		if (dev_priv->chipset == 0x86 || dev_priv->chipset == 0x98 || dev_priv->chipset >= 0xa8) {
+			xf_emit(ctx, 1, 0xe00);
+			xf_emit(ctx, 1, 0x1e00);
+		}
+		xf_emit(ctx, 1, 1);
+		xf_emit(ctx, 2, 0);
+		if (dev_priv->chipset == 0x50)
+			xf_emit(ctx, 2, 0x1000);
+		xf_emit(ctx, 1, 1);
+		xf_emit(ctx, 1, 0);
+		xf_emit(ctx, 1, 4);
+		xf_emit(ctx, 1, 2);
+		if (dev_priv->chipset >= 0xaa)
+			xf_emit(ctx, 0xb, 0);
+		else if (dev_priv->chipset >= 0xa0)
+			xf_emit(ctx, 0xc, 0);
+		else
+			xf_emit(ctx, 0xa, 0);
+	}
+	xf_emit(ctx, 1, 0x08100c12);
+	xf_emit(ctx, 1, 0);
+	if (dev_priv->chipset >= 0xa0) {
+		xf_emit(ctx, 1, 0x1fe21);
+	}
+	xf_emit(ctx, 5, 0);
+	xf_emit(ctx, 4, 0xffff);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 2, 0x10001);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 0x1fe21);
+	xf_emit(ctx, 1, 0);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 4, 0);
+	xf_emit(ctx, 1, 0x08100c12);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 8, 0);
+	xf_emit(ctx, 1, 0xfac6881);
+	xf_emit(ctx, 1, 0);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa)
+		xf_emit(ctx, 1, 3);
+	xf_emit(ctx, 3, 0);
+	xf_emit(ctx, 1, 4);
+	xf_emit(ctx, 9, 0);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 2, 1);
+	xf_emit(ctx, 1, 2);
+	xf_emit(ctx, 3, 1);
+	xf_emit(ctx, 1, 0);
+	if (dev_priv->chipset > 0xa0 && dev_priv->chipset < 0xaa) {
+		xf_emit(ctx, 8, 2);
+		xf_emit(ctx, 0x10, 1);
+		xf_emit(ctx, 8, 2);
+		xf_emit(ctx, 0x18, 1);
+		xf_emit(ctx, 3, 0);
+	}
+	xf_emit(ctx, 1, 4);
+	if (dev_priv->chipset == 0x50)
+		xf_emit(ctx, 0x3a0, 0);
+	else if (dev_priv->chipset < 0x94)
+		xf_emit(ctx, 0x3a2, 0);
+	else if (dev_priv->chipset == 0x98 || dev_priv->chipset == 0xaa)
+		xf_emit(ctx, 0x39f, 0);
+	else
+		xf_emit(ctx, 0x3a3, 0);
+	xf_emit(ctx, 1, 0x11);
+	xf_emit(ctx, 1, 0);
+	xf_emit(ctx, 1, 1);
+	xf_emit(ctx, 0x2d, 0);
+}
+
+static void
+nv50_graph_construct_xfer2(struct nouveau_grctx *ctx)
+{
+	struct drm_nouveau_private *dev_priv = ctx->dev->dev_private;
+	int i;
+	uint32_t offset;
+	uint32_t units = nv_rd32 (ctx->dev, 0x1540);
+	int size = 0;
+
+	offset = (ctx->ctxvals_pos+0x3f)&~0x3f;
+
+	if (dev_priv->chipset < 0xa0) {
+		for (i = 0; i < 8; i++) {
+			ctx->ctxvals_pos = offset + i;
+			if (i == 0)
+				xf_emit(ctx, 1, 0x08100c12);
+			if (units & (1 << i))
+				nv50_graph_construct_xfer_tp2(ctx);
+			if ((ctx->ctxvals_pos-offset)/8 > size)
+				size = (ctx->ctxvals_pos-offset)/8;
+		}
+	} else {
+		/* Strand 0: TPs 0, 1 */
+		ctx->ctxvals_pos = offset;
+		xf_emit(ctx, 1, 0x08100c12);
+		if (units & (1 << 0))
+			nv50_graph_construct_xfer_tp2(ctx);
+		if (units & (1 << 1))
+			nv50_graph_construct_xfer_tp2(ctx);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strand 0: TPs 2, 3 */
+		ctx->ctxvals_pos = offset + 1;
+		if (units & (1 << 2))
+			nv50_graph_construct_xfer_tp2(ctx);
+		if (units & (1 << 3))
+			nv50_graph_construct_xfer_tp2(ctx);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strand 0: TPs 4, 5, 6 */
+		ctx->ctxvals_pos = offset + 2;
+		if (units & (1 << 4))
+			nv50_graph_construct_xfer_tp2(ctx);
+		if (units & (1 << 5))
+			nv50_graph_construct_xfer_tp2(ctx);
+		if (units & (1 << 6))
+			nv50_graph_construct_xfer_tp2(ctx);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+
+		/* Strand 0: TPs 7, 8, 9 */
+		ctx->ctxvals_pos = offset + 3;
+		if (units & (1 << 7))
+			nv50_graph_construct_xfer_tp2(ctx);
+		if (units & (1 << 8))
+			nv50_graph_construct_xfer_tp2(ctx);
+		if (units & (1 << 9))
+			nv50_graph_construct_xfer_tp2(ctx);
+		if ((ctx->ctxvals_pos-offset)/8 > size)
+			size = (ctx->ctxvals_pos-offset)/8;
+	}
+	ctx->ctxvals_pos = offset + size * 8;
+	ctx->ctxvals_pos = (ctx->ctxvals_pos+0x3f)&~0x3f;
+	cp_lsr (ctx, offset);
+	cp_out (ctx, CP_SET_XFER_POINTER);
+	cp_lsr (ctx, size);
+	cp_out (ctx, CP_SEEK_2);
+	cp_out (ctx, CP_XFER_2);
+	cp_wait(ctx, XFER, BUSY);
+}
diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c
index f0dc4e36ef05..de1f5b0062c5 100644
--- a/drivers/gpu/drm/nouveau/nv50_instmem.c
+++ b/drivers/gpu/drm/nouveau/nv50_instmem.c
@@ -390,7 +390,7 @@ nv50_instmem_populate(struct drm_device *dev, struct nouveau_gpuobj *gpuobj,
 	if (gpuobj->im_backing)
 		return -EINVAL;
 
-	*sz = (*sz + (NV50_INSTMEM_PAGE_SIZE-1)) & ~(NV50_INSTMEM_PAGE_SIZE-1);
+	*sz = ALIGN(*sz, NV50_INSTMEM_PAGE_SIZE);
 	if (*sz == 0)
 		return -EINVAL;
 
diff --git a/drivers/gpu/drm/radeon/Makefile b/drivers/gpu/drm/radeon/Makefile
index 1cc7b937b1ea..3c91312dea9a 100644
--- a/drivers/gpu/drm/radeon/Makefile
+++ b/drivers/gpu/drm/radeon/Makefile
@@ -30,6 +30,9 @@ $(obj)/r420_reg_safe.h: $(src)/reg_srcs/r420 $(obj)/mkregtable
 $(obj)/rs600_reg_safe.h: $(src)/reg_srcs/rs600 $(obj)/mkregtable
 	$(call if_changed,mkregtable)
 
+$(obj)/r600_reg_safe.h: $(src)/reg_srcs/r600 $(obj)/mkregtable
+	$(call if_changed,mkregtable)
+
 $(obj)/r100.o: $(obj)/r100_reg_safe.h $(obj)/rn50_reg_safe.h
 
 $(obj)/r200.o: $(obj)/r200_reg_safe.h
@@ -42,10 +45,12 @@ $(obj)/r420.o: $(obj)/r420_reg_safe.h
 
 $(obj)/rs600.o: $(obj)/rs600_reg_safe.h
 
+$(obj)/r600_cs.o: $(obj)/r600_reg_safe.h
+
 radeon-y := radeon_drv.o radeon_cp.o radeon_state.o radeon_mem.o \
 	radeon_irq.o r300_cmdbuf.o r600_cp.o
 # add KMS driver
-radeon-y += radeon_device.o radeon_kms.o \
+radeon-y += radeon_device.o radeon_asic.o radeon_kms.o \
 	radeon_atombios.o radeon_agp.o atombios_crtc.o radeon_combios.o \
 	atom.o radeon_fence.o radeon_ttm.o radeon_object.o radeon_gart.o \
 	radeon_legacy_crtc.o radeon_legacy_encoders.o radeon_connectors.o \
@@ -54,8 +59,10 @@ radeon-y += radeon_device.o radeon_kms.o \
 	radeon_cs.o radeon_bios.o radeon_benchmark.o r100.o r300.o r420.o \
 	rs400.o rs600.o rs690.o rv515.o r520.o r600.o rv770.o radeon_test.o \
 	r200.o radeon_legacy_tv.o r600_cs.o r600_blit.o r600_blit_shaders.o \
-	r600_blit_kms.o radeon_pm.o atombios_dp.o r600_audio.o r600_hdmi.o
+	r600_blit_kms.o radeon_pm.o atombios_dp.o r600_audio.o r600_hdmi.o \
+	evergreen.o
 
 radeon-$(CONFIG_COMPAT) += radeon_ioc32.o
+radeon-$(CONFIG_VGA_SWITCHEROO) += radeon_atpx_handler.o
 
 obj-$(CONFIG_DRM_RADEON)+= radeon.o
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index 7f152f66f196..247f8ee7e940 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -52,15 +52,17 @@
 
 typedef struct {
 	struct atom_context *ctx;
-
 	uint32_t *ps, *ws;
 	int ps_shift;
 	uint16_t start;
+	unsigned last_jump;
+	unsigned long last_jump_jiffies;
+	bool abort;
 } atom_exec_context;
 
 int atom_debug = 0;
-static void atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params);
-void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params);
+static int atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params);
+int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params);
 
 static uint32_t atom_arg_mask[8] =
     { 0xFFFFFFFF, 0xFFFF, 0xFFFF00, 0xFFFF0000, 0xFF, 0xFF00, 0xFF0000,
@@ -604,12 +606,17 @@ static void atom_op_beep(atom_exec_context *ctx, int *ptr, int arg)
 static void atom_op_calltable(atom_exec_context *ctx, int *ptr, int arg)
 {
 	int idx = U8((*ptr)++);
+	int r = 0;
+
 	if (idx < ATOM_TABLE_NAMES_CNT)
 		SDEBUG("   table: %d (%s)\n", idx, atom_table_names[idx]);
 	else
 		SDEBUG("   table: %d\n", idx);
 	if (U16(ctx->ctx->cmd_table + 4 + 2 * idx))
-		atom_execute_table_locked(ctx->ctx, idx, ctx->ps + ctx->ps_shift);
+		r = atom_execute_table_locked(ctx->ctx, idx, ctx->ps + ctx->ps_shift);
+	if (r) {
+		ctx->abort = true;
+	}
 }
 
 static void atom_op_clear(atom_exec_context *ctx, int *ptr, int arg)
@@ -673,6 +680,8 @@ static void atom_op_eot(atom_exec_context *ctx, int *ptr, int arg)
 static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg)
 {
 	int execute = 0, target = U16(*ptr);
+	unsigned long cjiffies;
+
 	(*ptr) += 2;
 	switch (arg) {
 	case ATOM_COND_ABOVE:
@@ -700,8 +709,25 @@ static void atom_op_jump(atom_exec_context *ctx, int *ptr, int arg)
 	if (arg != ATOM_COND_ALWAYS)
 		SDEBUG("   taken: %s\n", execute ? "yes" : "no");
 	SDEBUG("   target: 0x%04X\n", target);
-	if (execute)
+	if (execute) {
+		if (ctx->last_jump == (ctx->start + target)) {
+			cjiffies = jiffies;
+			if (time_after(cjiffies, ctx->last_jump_jiffies)) {
+				cjiffies -= ctx->last_jump_jiffies;
+				if ((jiffies_to_msecs(cjiffies) > 1000)) {
+					DRM_ERROR("atombios stuck in loop for more than 1sec aborting\n");
+					ctx->abort = true;
+				}
+			} else {
+				/* jiffies wrap around we will just wait a little longer */
+				ctx->last_jump_jiffies = jiffies;
+			}
+		} else {
+			ctx->last_jump = ctx->start + target;
+			ctx->last_jump_jiffies = jiffies;
+		}
 		*ptr = ctx->start + target;
+	}
 }
 
 static void atom_op_mask(atom_exec_context *ctx, int *ptr, int arg)
@@ -881,8 +907,6 @@ static void atom_op_shl(atom_exec_context *ctx, int *ptr, int arg)
 	uint8_t attr = U8((*ptr)++), shift;
 	uint32_t saved, dst;
 	int dptr = *ptr;
-	attr &= 0x38;
-	attr |= atom_def_dst[attr >> 3] << 6;
 	SDEBUG("   dst: ");
 	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
 	shift = atom_get_src(ctx, attr, ptr);
@@ -897,8 +921,6 @@ static void atom_op_shr(atom_exec_context *ctx, int *ptr, int arg)
 	uint8_t attr = U8((*ptr)++), shift;
 	uint32_t saved, dst;
 	int dptr = *ptr;
-	attr &= 0x38;
-	attr |= atom_def_dst[attr >> 3] << 6;
 	SDEBUG("   dst: ");
 	dst = atom_get_dst(ctx, arg, attr, ptr, &saved, 1);
 	shift = atom_get_src(ctx, attr, ptr);
@@ -1108,7 +1130,7 @@ static struct {
 	atom_op_shr, ATOM_ARG_MC}, {
 atom_op_debug, 0},};
 
-static void atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params)
+static int atom_execute_table_locked(struct atom_context *ctx, int index, uint32_t * params)
 {
 	int base = CU16(ctx->cmd_table + 4 + 2 * index);
 	int len, ws, ps, ptr;
@@ -1116,7 +1138,7 @@ static void atom_execute_table_locked(struct atom_context *ctx, int index, uint3
 	atom_exec_context ectx;
 
 	if (!base)
-		return;
+		return -EINVAL;
 
 	len = CU16(base + ATOM_CT_SIZE_PTR);
 	ws = CU8(base + ATOM_CT_WS_PTR);
@@ -1129,6 +1151,8 @@ static void atom_execute_table_locked(struct atom_context *ctx, int index, uint3
 	ectx.ps_shift = ps / 4;
 	ectx.start = base;
 	ectx.ps = params;
+	ectx.abort = false;
+	ectx.last_jump = 0;
 	if (ws)
 		ectx.ws = kzalloc(4 * ws, GFP_KERNEL);
 	else
@@ -1141,6 +1165,11 @@ static void atom_execute_table_locked(struct atom_context *ctx, int index, uint3
 			SDEBUG("%s @ 0x%04X\n", atom_op_names[op], ptr - 1);
 		else
 			SDEBUG("[%d] @ 0x%04X\n", op, ptr - 1);
+		if (ectx.abort) {
+			DRM_ERROR("atombios stuck executing %04X (len %d, WS %d, PS %d) @ 0x%04X\n",
+				base, len, ws, ps, ptr - 1);
+			return -EINVAL;
+		}
 
 		if (op < ATOM_OP_CNT && op > 0)
 			opcode_table[op].func(&ectx, &ptr,
@@ -1156,10 +1185,13 @@ static void atom_execute_table_locked(struct atom_context *ctx, int index, uint3
 
 	if (ws)
 		kfree(ectx.ws);
+	return 0;
 }
 
-void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params)
+int atom_execute_table(struct atom_context *ctx, int index, uint32_t * params)
 {
+	int r;
+
 	mutex_lock(&ctx->mutex);
 	/* reset reg block */
 	ctx->reg_block = 0;
@@ -1167,8 +1199,9 @@ void atom_execute_table(struct atom_context *ctx, int index, uint32_t * params)
 	ctx->fb_base = 0;
 	/* reset io mode */
 	ctx->io_mode = ATOM_IO_MM;
-	atom_execute_table_locked(ctx, index, params);
+	r = atom_execute_table_locked(ctx, index, params);
 	mutex_unlock(&ctx->mutex);
+	return r;
 }
 
 static int atom_iio_len[] = { 1, 2, 3, 3, 3, 3, 4, 4, 4, 3 };
@@ -1252,9 +1285,7 @@ int atom_asic_init(struct atom_context *ctx)
 
 	if (!CU16(ctx->cmd_table + 4 + 2 * ATOM_CMD_INIT))
 		return 1;
-	atom_execute_table(ctx, ATOM_CMD_INIT, ps);
-
-	return 0;
+	return atom_execute_table(ctx, ATOM_CMD_INIT, ps);
 }
 
 void atom_destroy(struct atom_context *ctx)
@@ -1264,12 +1295,16 @@ void atom_destroy(struct atom_context *ctx)
 	kfree(ctx);
 }
 
-void atom_parse_data_header(struct atom_context *ctx, int index,
+bool atom_parse_data_header(struct atom_context *ctx, int index,
 			    uint16_t * size, uint8_t * frev, uint8_t * crev,
 			    uint16_t * data_start)
 {
 	int offset = index * 2 + 4;
 	int idx = CU16(ctx->data_table + offset);
+	u16 *mdt = (u16 *)(ctx->bios + ctx->data_table + 4);
+
+	if (!mdt[index])
+		return false;
 
 	if (size)
 		*size = CU16(idx);
@@ -1278,38 +1313,42 @@ void atom_parse_data_header(struct atom_context *ctx, int index,
 	if (crev)
 		*crev = CU8(idx + 3);
 	*data_start = idx;
-	return;
+	return true;
 }
 
-void atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev,
+bool atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev,
 			   uint8_t * crev)
 {
 	int offset = index * 2 + 4;
 	int idx = CU16(ctx->cmd_table + offset);
+	u16 *mct = (u16 *)(ctx->bios + ctx->cmd_table + 4);
+
+	if (!mct[index])
+		return false;
 
 	if (frev)
 		*frev = CU8(idx + 2);
 	if (crev)
 		*crev = CU8(idx + 3);
-	return;
+	return true;
 }
 
 int atom_allocate_fb_scratch(struct atom_context *ctx)
 {
 	int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware);
 	uint16_t data_offset;
-	int usage_bytes;
+	int usage_bytes = 0;
 	struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
 
-	atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset);
+	if (atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
+		firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
 
-	firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios + data_offset);
+		DRM_DEBUG("atom firmware requested %08x %dkb\n",
+			  firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware,
+			  firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb);
 
-	DRM_DEBUG("atom firmware requested %08x %dkb\n",
-		  firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware,
-		  firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb);
-
-	usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024;
+		usage_bytes = firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024;
+	}
 	if (usage_bytes == 0)
 		usage_bytes = 20 * 1024;
 	/* allocate some scratch memory */
diff --git a/drivers/gpu/drm/radeon/atom.h b/drivers/gpu/drm/radeon/atom.h
index bc73781423a1..cd1b64ab5ca7 100644
--- a/drivers/gpu/drm/radeon/atom.h
+++ b/drivers/gpu/drm/radeon/atom.h
@@ -140,11 +140,13 @@ struct atom_context {
 extern int atom_debug;
 
 struct atom_context *atom_parse(struct card_info *, void *);
-void atom_execute_table(struct atom_context *, int, uint32_t *);
+int atom_execute_table(struct atom_context *, int, uint32_t *);
 int atom_asic_init(struct atom_context *);
 void atom_destroy(struct atom_context *);
-void atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size, uint8_t *frev, uint8_t *crev, uint16_t *data_start);
-void atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t *frev, uint8_t *crev);
+bool atom_parse_data_header(struct atom_context *ctx, int index, uint16_t *size,
+			    uint8_t *frev, uint8_t *crev, uint16_t *data_start);
+bool atom_parse_cmd_header(struct atom_context *ctx, int index,
+			   uint8_t *frev, uint8_t *crev);
 int atom_allocate_fb_scratch(struct atom_context *ctx);
 #include "atom-types.h"
 #include "atombios.h"
diff --git a/drivers/gpu/drm/radeon/atombios.h b/drivers/gpu/drm/radeon/atombios.h
index 91ad0d1c1b17..6732b5dd8ff4 100644
--- a/drivers/gpu/drm/radeon/atombios.h
+++ b/drivers/gpu/drm/radeon/atombios.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2006-2007 Advanced Micro Devices, Inc.
+ * Copyright 2006-2007 Advanced Micro Devices, Inc.  
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -20,10 +20,12 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
-/****************************************************************************/
+
+/****************************************************************************/	
 /*Portion I: Definitions  shared between VBIOS and Driver                   */
 /****************************************************************************/
 
+
 #ifndef _ATOMBIOS_H
 #define _ATOMBIOS_H
 
@@ -40,39 +42,46 @@
 #endif
 
 #ifdef _H2INC
-#ifndef ULONG
-typedef unsigned long ULONG;
-#endif
+  #ifndef ULONG 
+    typedef unsigned long ULONG;
+  #endif
 
-#ifndef UCHAR
-typedef unsigned char UCHAR;
-#endif
+  #ifndef UCHAR
+    typedef unsigned char UCHAR;
+  #endif
 
-#ifndef USHORT
-typedef unsigned short USHORT;
-#endif
+  #ifndef USHORT 
+    typedef unsigned short USHORT;
+  #endif
 #endif
-
-#define ATOM_DAC_A            0
+      
+#define ATOM_DAC_A            0 
 #define ATOM_DAC_B            1
 #define ATOM_EXT_DAC          2
 
 #define ATOM_CRTC1            0
 #define ATOM_CRTC2            1
+#define ATOM_CRTC3            2
+#define ATOM_CRTC4            3
+#define ATOM_CRTC5            4
+#define ATOM_CRTC6            5
+#define ATOM_CRTC_INVALID     0xFF
 
 #define ATOM_DIGA             0
 #define ATOM_DIGB             1
 
 #define ATOM_PPLL1            0
 #define ATOM_PPLL2            1
+#define ATOM_DCPLL            2
+#define ATOM_PPLL_INVALID     0xFF
 
 #define ATOM_SCALER1          0
 #define ATOM_SCALER2          1
 
-#define ATOM_SCALER_DISABLE   0
-#define ATOM_SCALER_CENTER    1
-#define ATOM_SCALER_EXPANSION 2
-#define ATOM_SCALER_MULTI_EX  3
+#define ATOM_SCALER_DISABLE   0   
+#define ATOM_SCALER_CENTER    1   
+#define ATOM_SCALER_EXPANSION 2   
+#define ATOM_SCALER_MULTI_EX  3   
 
 #define ATOM_DISABLE          0
 #define ATOM_ENABLE           1
@@ -82,6 +91,7 @@ typedef unsigned short USHORT;
 #define ATOM_LCD_SELFTEST_START									(ATOM_DISABLE+5)
 #define ATOM_LCD_SELFTEST_STOP									(ATOM_ENABLE+5)
 #define ATOM_ENCODER_INIT			                  (ATOM_DISABLE+7)
+#define ATOM_GET_STATUS                         (ATOM_DISABLE+8)
 
 #define ATOM_BLANKING         1
 #define ATOM_BLANKING_OFF     0
@@ -114,7 +124,7 @@ typedef unsigned short USHORT;
 #define ATOM_DAC2_CV          ATOM_DAC1_CV
 #define ATOM_DAC2_NTSC        ATOM_DAC1_NTSC
 #define ATOM_DAC2_PAL         ATOM_DAC1_PAL
-
+ 
 #define ATOM_PM_ON            0
 #define ATOM_PM_STANDBY       1
 #define ATOM_PM_SUSPEND       2
@@ -134,6 +144,7 @@ typedef unsigned short USHORT;
 #define ATOM_PANEL_MISC_TEMPORAL           0x00000040
 #define ATOM_PANEL_MISC_API_ENABLED        0x00000080
 
+
 #define MEMTYPE_DDR1              "DDR1"
 #define MEMTYPE_DDR2              "DDR2"
 #define MEMTYPE_DDR3              "DDR3"
@@ -145,19 +156,19 @@ typedef unsigned short USHORT;
 
 /* Maximum size of that FireGL flag string */
 
-#define ATOM_FIREGL_FLAG_STRING     "FGL"	/* Flag used to enable FireGL Support */
-#define ATOM_MAX_SIZE_OF_FIREGL_FLAG_STRING  3	/* sizeof( ATOM_FIREGL_FLAG_STRING ) */
+#define ATOM_FIREGL_FLAG_STRING     "FGL"             //Flag used to enable FireGL Support
+#define ATOM_MAX_SIZE_OF_FIREGL_FLAG_STRING  3        //sizeof( ATOM_FIREGL_FLAG_STRING )
 
-#define ATOM_FAKE_DESKTOP_STRING    "DSK"	/* Flag used to enable mobile ASIC on Desktop */
-#define ATOM_MAX_SIZE_OF_FAKE_DESKTOP_STRING  ATOM_MAX_SIZE_OF_FIREGL_FLAG_STRING
+#define ATOM_FAKE_DESKTOP_STRING    "DSK"             //Flag used to enable mobile ASIC on Desktop
+#define ATOM_MAX_SIZE_OF_FAKE_DESKTOP_STRING  ATOM_MAX_SIZE_OF_FIREGL_FLAG_STRING 
 
-#define ATOM_M54T_FLAG_STRING       "M54T"	/* Flag used to enable M54T Support */
-#define ATOM_MAX_SIZE_OF_M54T_FLAG_STRING    4	/* sizeof( ATOM_M54T_FLAG_STRING ) */
+#define ATOM_M54T_FLAG_STRING       "M54T"            //Flag used to enable M54T Support
+#define ATOM_MAX_SIZE_OF_M54T_FLAG_STRING    4        //sizeof( ATOM_M54T_FLAG_STRING )
 
 #define HW_ASSISTED_I2C_STATUS_FAILURE          2
 #define HW_ASSISTED_I2C_STATUS_SUCCESS          1
 
-#pragma pack(1)			/* BIOS data must use byte aligment */
+#pragma pack(1)                                       /* BIOS data must use byte aligment */
 
 /*  Define offset to location of ROM header. */
 
@@ -165,367 +176,410 @@ typedef unsigned short USHORT;
 #define OFFSET_TO_ATOM_ROM_IMAGE_SIZE				    0x00000002L
 
 #define OFFSET_TO_ATOMBIOS_ASIC_BUS_MEM_TYPE    0x94
-#define MAXSIZE_OF_ATOMBIOS_ASIC_BUS_MEM_TYPE   20	/* including the terminator 0x0! */
+#define MAXSIZE_OF_ATOMBIOS_ASIC_BUS_MEM_TYPE   20    /* including the terminator 0x0! */
 #define	OFFSET_TO_GET_ATOMBIOS_STRINGS_NUMBER		0x002f
 #define	OFFSET_TO_GET_ATOMBIOS_STRINGS_START		0x006e
 
 /* Common header for all ROM Data tables.
-  Every table pointed  _ATOM_MASTER_DATA_TABLE has this common header.
+  Every table pointed  _ATOM_MASTER_DATA_TABLE has this common header. 
   And the pointer actually points to this header. */
 
-typedef struct _ATOM_COMMON_TABLE_HEADER {
-	USHORT usStructureSize;
-	UCHAR ucTableFormatRevision;	/*Change it when the Parser is not backward compatible */
-	UCHAR ucTableContentRevision;	/*Change it only when the table needs to change but the firmware */
-	/*Image can't be updated, while Driver needs to carry the new table! */
-} ATOM_COMMON_TABLE_HEADER;
-
-typedef struct _ATOM_ROM_HEADER {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	UCHAR uaFirmWareSignature[4];	/*Signature to distinguish between Atombios and non-atombios,
-					   atombios should init it as "ATOM", don't change the position */
-	USHORT usBiosRuntimeSegmentAddress;
-	USHORT usProtectedModeInfoOffset;
-	USHORT usConfigFilenameOffset;
-	USHORT usCRC_BlockOffset;
-	USHORT usBIOS_BootupMessageOffset;
-	USHORT usInt10Offset;
-	USHORT usPciBusDevInitCode;
-	USHORT usIoBaseAddress;
-	USHORT usSubsystemVendorID;
-	USHORT usSubsystemID;
-	USHORT usPCI_InfoOffset;
-	USHORT usMasterCommandTableOffset;	/*Offset for SW to get all command table offsets, Don't change the position */
-	USHORT usMasterDataTableOffset;	/*Offset for SW to get all data table offsets, Don't change the position */
-	UCHAR ucExtendedFunctionCode;
-	UCHAR ucReserved;
-} ATOM_ROM_HEADER;
+typedef struct _ATOM_COMMON_TABLE_HEADER
+{
+  USHORT usStructureSize;
+  UCHAR  ucTableFormatRevision;   /*Change it when the Parser is not backward compatible */
+  UCHAR  ucTableContentRevision;  /*Change it only when the table needs to change but the firmware */
+                                  /*Image can't be updated, while Driver needs to carry the new table! */
+}ATOM_COMMON_TABLE_HEADER;
+
+typedef struct _ATOM_ROM_HEADER
+{
+  ATOM_COMMON_TABLE_HEADER		sHeader;
+  UCHAR	 uaFirmWareSignature[4];    /*Signature to distinguish between Atombios and non-atombios, 
+                                      atombios should init it as "ATOM", don't change the position */
+  USHORT usBiosRuntimeSegmentAddress;
+  USHORT usProtectedModeInfoOffset;
+  USHORT usConfigFilenameOffset;
+  USHORT usCRC_BlockOffset;
+  USHORT usBIOS_BootupMessageOffset;
+  USHORT usInt10Offset;
+  USHORT usPciBusDevInitCode;
+  USHORT usIoBaseAddress;
+  USHORT usSubsystemVendorID;
+  USHORT usSubsystemID;
+  USHORT usPCI_InfoOffset; 
+  USHORT usMasterCommandTableOffset; /*Offset for SW to get all command table offsets, Don't change the position */
+  USHORT usMasterDataTableOffset;   /*Offset for SW to get all data table offsets, Don't change the position */
+  UCHAR  ucExtendedFunctionCode;
+  UCHAR  ucReserved;
+}ATOM_ROM_HEADER;
 
 /*==============================Command Table Portion==================================== */
 
 #ifdef	UEFI_BUILD
-#define	UTEMP	USHORT
-#define	USHORT	void*
+	#define	UTEMP	USHORT
+	#define	USHORT	void*
 #endif
 
-typedef struct _ATOM_MASTER_LIST_OF_COMMAND_TABLES {
-	USHORT ASIC_Init;	/* Function Table, used by various SW components,latest version 1.1 */
-	USHORT GetDisplaySurfaceSize;	/* Atomic Table,  Used by Bios when enabling HW ICON */
-	USHORT ASIC_RegistersInit;	/* Atomic Table,  indirectly used by various SW components,called from ASIC_Init */
-	USHORT VRAM_BlockVenderDetection;	/* Atomic Table,  used only by Bios */
-	USHORT DIGxEncoderControl;	/* Only used by Bios */
-	USHORT MemoryControllerInit;	/* Atomic Table,  indirectly used by various SW components,called from ASIC_Init */
-	USHORT EnableCRTCMemReq;	/* Function Table,directly used by various SW components,latest version 2.1 */
-	USHORT MemoryParamAdjust;	/* Atomic Table,  indirectly used by various SW components,called from SetMemoryClock if needed */
-	USHORT DVOEncoderControl;	/* Function Table,directly used by various SW components,latest version 1.2 */
-	USHORT GPIOPinControl;	/* Atomic Table,  only used by Bios */
-	USHORT SetEngineClock;	/*Function Table,directly used by various SW components,latest version 1.1 */
-	USHORT SetMemoryClock;	/* Function Table,directly used by various SW components,latest version 1.1 */
-	USHORT SetPixelClock;	/*Function Table,directly used by various SW components,latest version 1.2 */
-	USHORT DynamicClockGating;	/* Atomic Table,  indirectly used by various SW components,called from ASIC_Init */
-	USHORT ResetMemoryDLL;	/* Atomic Table,  indirectly used by various SW components,called from SetMemoryClock */
-	USHORT ResetMemoryDevice;	/* Atomic Table,  indirectly used by various SW components,called from SetMemoryClock */
-	USHORT MemoryPLLInit;
-	USHORT AdjustDisplayPll;	/* only used by Bios */
-	USHORT AdjustMemoryController;	/* Atomic Table,  indirectly used by various SW components,called from SetMemoryClock */
-	USHORT EnableASIC_StaticPwrMgt;	/* Atomic Table,  only used by Bios */
-	USHORT ASIC_StaticPwrMgtStatusChange;	/* Obsolete, only used by Bios */
-	USHORT DAC_LoadDetection;	/* Atomic Table,  directly used by various SW components,latest version 1.2 */
-	USHORT LVTMAEncoderControl;	/* Atomic Table,directly used by various SW components,latest version 1.3 */
-	USHORT LCD1OutputControl;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT DAC1EncoderControl;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT DAC2EncoderControl;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT DVOOutputControl;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT CV1OutputControl;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT GetConditionalGoldenSetting;	/* only used by Bios */
-	USHORT TVEncoderControl;	/* Function Table,directly used by various SW components,latest version 1.1 */
-	USHORT TMDSAEncoderControl;	/* Atomic Table,  directly used by various SW components,latest version 1.3 */
-	USHORT LVDSEncoderControl;	/* Atomic Table,  directly used by various SW components,latest version 1.3 */
-	USHORT TV1OutputControl;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT EnableScaler;	/* Atomic Table,  used only by Bios */
-	USHORT BlankCRTC;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT EnableCRTC;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT GetPixelClock;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT EnableVGA_Render;	/* Function Table,directly used by various SW components,latest version 1.1 */
-	USHORT EnableVGA_Access;	/* Obsolete ,     only used by Bios */
-	USHORT SetCRTC_Timing;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT SetCRTC_OverScan;	/* Atomic Table,  used by various SW components,latest version 1.1 */
-	USHORT SetCRTC_Replication;	/* Atomic Table,  used only by Bios */
-	USHORT SelectCRTC_Source;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT EnableGraphSurfaces;	/* Atomic Table,  used only by Bios */
-	USHORT UpdateCRTC_DoubleBufferRegisters;
-	USHORT LUT_AutoFill;	/* Atomic Table,  only used by Bios */
-	USHORT EnableHW_IconCursor;	/* Atomic Table,  only used by Bios */
-	USHORT GetMemoryClock;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT GetEngineClock;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT SetCRTC_UsingDTDTiming;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT ExternalEncoderControl;	/* Atomic Table,  directly used by various SW components,latest version 2.1 */
-	USHORT LVTMAOutputControl;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT VRAM_BlockDetectionByStrap;	/* Atomic Table,  used only by Bios */
-	USHORT MemoryCleanUp;	/* Atomic Table,  only used by Bios */
-	USHORT ProcessI2cChannelTransaction;	/* Function Table,only used by Bios */
-	USHORT WriteOneByteToHWAssistedI2C;	/* Function Table,indirectly used by various SW components */
-	USHORT ReadHWAssistedI2CStatus;	/* Atomic Table,  indirectly used by various SW components */
-	USHORT SpeedFanControl;	/* Function Table,indirectly used by various SW components,called from ASIC_Init */
-	USHORT PowerConnectorDetection;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT MC_Synchronization;	/* Atomic Table,  indirectly used by various SW components,called from SetMemoryClock */
-	USHORT ComputeMemoryEnginePLL;	/* Atomic Table,  indirectly used by various SW components,called from SetMemory/EngineClock */
-	USHORT MemoryRefreshConversion;	/* Atomic Table,  indirectly used by various SW components,called from SetMemory or SetEngineClock */
-	USHORT VRAM_GetCurrentInfoBlock;	/* Atomic Table,  used only by Bios */
-	USHORT DynamicMemorySettings;	/* Atomic Table,  indirectly used by various SW components,called from SetMemoryClock */
-	USHORT MemoryTraining;	/* Atomic Table,  used only by Bios */
-	USHORT EnableSpreadSpectrumOnPPLL;	/* Atomic Table,  directly used by various SW components,latest version 1.2 */
-	USHORT TMDSAOutputControl;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT SetVoltage;	/* Function Table,directly and/or indirectly used by various SW components,latest version 1.1 */
-	USHORT DAC1OutputControl;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT DAC2OutputControl;	/* Atomic Table,  directly used by various SW components,latest version 1.1 */
-	USHORT SetupHWAssistedI2CStatus;	/* Function Table,only used by Bios, obsolete soon.Switch to use "ReadEDIDFromHWAssistedI2C" */
-	USHORT ClockSource;	/* Atomic Table,  indirectly used by various SW components,called from ASIC_Init */
-	USHORT MemoryDeviceInit;	/* Atomic Table,  indirectly used by various SW components,called from SetMemoryClock */
-	USHORT EnableYUV;	/* Atomic Table,  indirectly used by various SW components,called from EnableVGARender */
-	USHORT DIG1EncoderControl;	/* Atomic Table,directly used by various SW components,latest version 1.1 */
-	USHORT DIG2EncoderControl;	/* Atomic Table,directly used by various SW components,latest version 1.1 */
-	USHORT DIG1TransmitterControl;	/* Atomic Table,directly used by various SW components,latest version 1.1 */
-	USHORT DIG2TransmitterControl;	/* Atomic Table,directly used by various SW components,latest version 1.1 */
-	USHORT ProcessAuxChannelTransaction;	/* Function Table,only used by Bios */
-	USHORT DPEncoderService;	/* Function Table,only used by Bios */
-} ATOM_MASTER_LIST_OF_COMMAND_TABLES;
-
-/*  For backward compatible */
+typedef struct _ATOM_MASTER_LIST_OF_COMMAND_TABLES{
+  USHORT ASIC_Init;                              //Function Table, used by various SW components,latest version 1.1
+  USHORT GetDisplaySurfaceSize;                  //Atomic Table,  Used by Bios when enabling HW ICON
+  USHORT ASIC_RegistersInit;                     //Atomic Table,  indirectly used by various SW components,called from ASIC_Init
+  USHORT VRAM_BlockVenderDetection;              //Atomic Table,  used only by Bios
+  USHORT DIGxEncoderControl;										 //Only used by Bios
+  USHORT MemoryControllerInit;                   //Atomic Table,  indirectly used by various SW components,called from ASIC_Init
+  USHORT EnableCRTCMemReq;                       //Function Table,directly used by various SW components,latest version 2.1
+  USHORT MemoryParamAdjust; 										 //Atomic Table,  indirectly used by various SW components,called from SetMemoryClock if needed
+  USHORT DVOEncoderControl;                      //Function Table,directly used by various SW components,latest version 1.2
+  USHORT GPIOPinControl;												 //Atomic Table,  only used by Bios
+  USHORT SetEngineClock;                         //Function Table,directly used by various SW components,latest version 1.1
+  USHORT SetMemoryClock;                         //Function Table,directly used by various SW components,latest version 1.1
+  USHORT SetPixelClock;                          //Function Table,directly used by various SW components,latest version 1.2  
+  USHORT DynamicClockGating;                     //Atomic Table,  indirectly used by various SW components,called from ASIC_Init
+  USHORT ResetMemoryDLL;                         //Atomic Table,  indirectly used by various SW components,called from SetMemoryClock
+  USHORT ResetMemoryDevice;                      //Atomic Table,  indirectly used by various SW components,called from SetMemoryClock
+  USHORT MemoryPLLInit;
+  USHORT AdjustDisplayPll;												//only used by Bios
+  USHORT AdjustMemoryController;                 //Atomic Table,  indirectly used by various SW components,called from SetMemoryClock                
+  USHORT EnableASIC_StaticPwrMgt;                //Atomic Table,  only used by Bios
+  USHORT ASIC_StaticPwrMgtStatusChange;          //Obsolete ,     only used by Bios   
+  USHORT DAC_LoadDetection;                      //Atomic Table,  directly used by various SW components,latest version 1.2  
+  USHORT LVTMAEncoderControl;                    //Atomic Table,directly used by various SW components,latest version 1.3
+  USHORT LCD1OutputControl;                      //Atomic Table,  directly used by various SW components,latest version 1.1 
+  USHORT DAC1EncoderControl;                     //Atomic Table,  directly used by various SW components,latest version 1.1  
+  USHORT DAC2EncoderControl;                     //Atomic Table,  directly used by various SW components,latest version 1.1 
+  USHORT DVOOutputControl;                       //Atomic Table,  directly used by various SW components,latest version 1.1 
+  USHORT CV1OutputControl;                       //Atomic Table,  Atomic Table,  Obsolete from Ry6xx, use DAC2 Output instead 
+  USHORT GetConditionalGoldenSetting;            //only used by Bios
+  USHORT TVEncoderControl;                       //Function Table,directly used by various SW components,latest version 1.1
+  USHORT TMDSAEncoderControl;                    //Atomic Table,  directly used by various SW components,latest version 1.3
+  USHORT LVDSEncoderControl;                     //Atomic Table,  directly used by various SW components,latest version 1.3
+  USHORT TV1OutputControl;                       //Atomic Table,  Obsolete from Ry6xx, use DAC2 Output instead
+  USHORT EnableScaler;                           //Atomic Table,  used only by Bios
+  USHORT BlankCRTC;                              //Atomic Table,  directly used by various SW components,latest version 1.1 
+  USHORT EnableCRTC;                             //Atomic Table,  directly used by various SW components,latest version 1.1 
+  USHORT GetPixelClock;                          //Atomic Table,  directly used by various SW components,latest version 1.1 
+  USHORT EnableVGA_Render;                       //Function Table,directly used by various SW components,latest version 1.1
+  USHORT GetSCLKOverMCLKRatio;                   //Atomic Table,  only used by Bios
+  USHORT SetCRTC_Timing;                         //Atomic Table,  directly used by various SW components,latest version 1.1
+  USHORT SetCRTC_OverScan;                       //Atomic Table,  used by various SW components,latest version 1.1 
+  USHORT SetCRTC_Replication;                    //Atomic Table,  used only by Bios
+  USHORT SelectCRTC_Source;                      //Atomic Table,  directly used by various SW components,latest version 1.1 
+  USHORT EnableGraphSurfaces;                    //Atomic Table,  used only by Bios
+  USHORT UpdateCRTC_DoubleBufferRegisters;
+  USHORT LUT_AutoFill;                           //Atomic Table,  only used by Bios
+  USHORT EnableHW_IconCursor;                    //Atomic Table,  only used by Bios
+  USHORT GetMemoryClock;                         //Atomic Table,  directly used by various SW components,latest version 1.1 
+  USHORT GetEngineClock;                         //Atomic Table,  directly used by various SW components,latest version 1.1 
+  USHORT SetCRTC_UsingDTDTiming;                 //Atomic Table,  directly used by various SW components,latest version 1.1
+  USHORT ExternalEncoderControl;                 //Atomic Table,  directly used by various SW components,latest version 2.1
+  USHORT LVTMAOutputControl;                     //Atomic Table,  directly used by various SW components,latest version 1.1
+  USHORT VRAM_BlockDetectionByStrap;             //Atomic Table,  used only by Bios
+  USHORT MemoryCleanUp;                          //Atomic Table,  only used by Bios    
+  USHORT ProcessI2cChannelTransaction;           //Function Table,only used by Bios
+  USHORT WriteOneByteToHWAssistedI2C;            //Function Table,indirectly used by various SW components 
+  USHORT ReadHWAssistedI2CStatus;                //Atomic Table,  indirectly used by various SW components
+  USHORT SpeedFanControl;                        //Function Table,indirectly used by various SW components,called from ASIC_Init
+  USHORT PowerConnectorDetection;                //Atomic Table,  directly used by various SW components,latest version 1.1
+  USHORT MC_Synchronization;                     //Atomic Table,  indirectly used by various SW components,called from SetMemoryClock
+  USHORT ComputeMemoryEnginePLL;                 //Atomic Table,  indirectly used by various SW components,called from SetMemory/EngineClock
+  USHORT MemoryRefreshConversion;                //Atomic Table,  indirectly used by various SW components,called from SetMemory or SetEngineClock
+  USHORT VRAM_GetCurrentInfoBlock;               //Atomic Table,  used only by Bios
+  USHORT DynamicMemorySettings;                  //Atomic Table,  indirectly used by various SW components,called from SetMemoryClock
+  USHORT MemoryTraining;                         //Atomic Table,  used only by Bios
+  USHORT EnableSpreadSpectrumOnPPLL;             //Atomic Table,  directly used by various SW components,latest version 1.2
+  USHORT TMDSAOutputControl;                     //Atomic Table,  directly used by various SW components,latest version 1.1
+  USHORT SetVoltage;                             //Function Table,directly and/or indirectly used by various SW components,latest version 1.1
+  USHORT DAC1OutputControl;                      //Atomic Table,  directly used by various SW components,latest version 1.1
+  USHORT DAC2OutputControl;                      //Atomic Table,  directly used by various SW components,latest version 1.1
+  USHORT SetupHWAssistedI2CStatus;               //Function Table,only used by Bios, obsolete soon.Switch to use "ReadEDIDFromHWAssistedI2C"
+  USHORT ClockSource;                            //Atomic Table,  indirectly used by various SW components,called from ASIC_Init
+  USHORT MemoryDeviceInit;                       //Atomic Table,  indirectly used by various SW components,called from SetMemoryClock
+  USHORT EnableYUV;                              //Atomic Table,  indirectly used by various SW components,called from EnableVGARender
+  USHORT DIG1EncoderControl;                     //Atomic Table,directly used by various SW components,latest version 1.1
+  USHORT DIG2EncoderControl;                     //Atomic Table,directly used by various SW components,latest version 1.1
+  USHORT DIG1TransmitterControl;                 //Atomic Table,directly used by various SW components,latest version 1.1
+  USHORT DIG2TransmitterControl;	               //Atomic Table,directly used by various SW components,latest version 1.1 
+  USHORT ProcessAuxChannelTransaction;					 //Function Table,only used by Bios
+  USHORT DPEncoderService;											 //Function Table,only used by Bios
+}ATOM_MASTER_LIST_OF_COMMAND_TABLES;   
+
+// For backward compatible 
 #define ReadEDIDFromHWAssistedI2C                ProcessI2cChannelTransaction
 #define UNIPHYTransmitterControl						     DIG1TransmitterControl
 #define LVTMATransmitterControl							     DIG2TransmitterControl
 #define SetCRTC_DPM_State                        GetConditionalGoldenSetting
 #define SetUniphyInstance                        ASIC_StaticPwrMgtStatusChange
+#define HPDInterruptService                      ReadHWAssistedI2CStatus
+#define EnableVGA_Access                         GetSCLKOverMCLKRatio
 
-typedef struct _ATOM_MASTER_COMMAND_TABLE {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_MASTER_LIST_OF_COMMAND_TABLES ListOfCommandTables;
-} ATOM_MASTER_COMMAND_TABLE;
-
-/****************************************************************************/
-/*  Structures used in every command table */
-/****************************************************************************/
-typedef struct _ATOM_TABLE_ATTRIBUTE {
+typedef struct _ATOM_MASTER_COMMAND_TABLE
+{
+  ATOM_COMMON_TABLE_HEADER           sHeader;
+  ATOM_MASTER_LIST_OF_COMMAND_TABLES ListOfCommandTables;
+}ATOM_MASTER_COMMAND_TABLE;
+
+/****************************************************************************/	
+// Structures used in every command table
+/****************************************************************************/	
+typedef struct _ATOM_TABLE_ATTRIBUTE
+{
 #if ATOM_BIG_ENDIAN
-	USHORT UpdatedByUtility:1;	/* [15]=Table updated by utility flag */
-	USHORT PS_SizeInBytes:7;	/* [14:8]=Size of parameter space in Bytes (multiple of a dword), */
-	USHORT WS_SizeInBytes:8;	/* [7:0]=Size of workspace in Bytes (in multiple of a dword), */
+  USHORT  UpdatedByUtility:1;         //[15]=Table updated by utility flag
+  USHORT  PS_SizeInBytes:7;           //[14:8]=Size of parameter space in Bytes (multiple of a dword), 
+  USHORT  WS_SizeInBytes:8;           //[7:0]=Size of workspace in Bytes (in multiple of a dword), 
 #else
-	USHORT WS_SizeInBytes:8;	/* [7:0]=Size of workspace in Bytes (in multiple of a dword), */
-	USHORT PS_SizeInBytes:7;	/* [14:8]=Size of parameter space in Bytes (multiple of a dword), */
-	USHORT UpdatedByUtility:1;	/* [15]=Table updated by utility flag */
+  USHORT  WS_SizeInBytes:8;           //[7:0]=Size of workspace in Bytes (in multiple of a dword), 
+  USHORT  PS_SizeInBytes:7;           //[14:8]=Size of parameter space in Bytes (multiple of a dword), 
+  USHORT  UpdatedByUtility:1;         //[15]=Table updated by utility flag
 #endif
-} ATOM_TABLE_ATTRIBUTE;
-
-typedef union _ATOM_TABLE_ATTRIBUTE_ACCESS {
-	ATOM_TABLE_ATTRIBUTE sbfAccess;
-	USHORT susAccess;
-} ATOM_TABLE_ATTRIBUTE_ACCESS;
+}ATOM_TABLE_ATTRIBUTE;
 
-/****************************************************************************/
-/*  Common header for all command tables. */
-/*  Every table pointed by _ATOM_MASTER_COMMAND_TABLE has this common header. */
-/*  And the pointer actually points to this header. */
-/****************************************************************************/
-typedef struct _ATOM_COMMON_ROM_COMMAND_TABLE_HEADER {
-	ATOM_COMMON_TABLE_HEADER CommonHeader;
-	ATOM_TABLE_ATTRIBUTE TableAttribute;
-} ATOM_COMMON_ROM_COMMAND_TABLE_HEADER;
+typedef union _ATOM_TABLE_ATTRIBUTE_ACCESS
+{
+  ATOM_TABLE_ATTRIBUTE sbfAccess;
+  USHORT               susAccess;
+}ATOM_TABLE_ATTRIBUTE_ACCESS;
+
+/****************************************************************************/	
+// Common header for all command tables.
+// Every table pointed by _ATOM_MASTER_COMMAND_TABLE has this common header. 
+// And the pointer actually points to this header.
+/****************************************************************************/	
+typedef struct _ATOM_COMMON_ROM_COMMAND_TABLE_HEADER
+{
+  ATOM_COMMON_TABLE_HEADER CommonHeader;
+  ATOM_TABLE_ATTRIBUTE     TableAttribute;	
+}ATOM_COMMON_ROM_COMMAND_TABLE_HEADER;
 
-/****************************************************************************/
-/*  Structures used by ComputeMemoryEnginePLLTable */
-/****************************************************************************/
+/****************************************************************************/	
+// Structures used by ComputeMemoryEnginePLLTable
+/****************************************************************************/	
 #define COMPUTE_MEMORY_PLL_PARAM        1
 #define COMPUTE_ENGINE_PLL_PARAM        2
 
-typedef struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS {
-	ULONG ulClock;		/* When returen, it's the re-calculated clock based on given Fb_div Post_Div and ref_div */
-	UCHAR ucAction;		/* 0:reserved //1:Memory //2:Engine */
-	UCHAR ucReserved;	/* may expand to return larger Fbdiv later */
-	UCHAR ucFbDiv;		/* return value */
-	UCHAR ucPostDiv;	/* return value */
-} COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS;
-
-typedef struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V2 {
-	ULONG ulClock;		/* When return, [23:0] return real clock */
-	UCHAR ucAction;		/* 0:reserved;COMPUTE_MEMORY_PLL_PARAM:Memory;COMPUTE_ENGINE_PLL_PARAM:Engine. it return ref_div to be written to register */
-	USHORT usFbDiv;		/* return Feedback value to be written to register */
-	UCHAR ucPostDiv;	/* return post div to be written to register */
-} COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V2;
+typedef struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS
+{
+  ULONG   ulClock;        //When returen, it's the re-calculated clock based on given Fb_div Post_Div and ref_div
+  UCHAR   ucAction;       //0:reserved //1:Memory //2:Engine  
+  UCHAR   ucReserved;     //may expand to return larger Fbdiv later
+  UCHAR   ucFbDiv;        //return value
+  UCHAR   ucPostDiv;      //return value
+}COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS;
+
+typedef struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V2
+{
+  ULONG   ulClock;        //When return, [23:0] return real clock 
+  UCHAR   ucAction;       //0:reserved;COMPUTE_MEMORY_PLL_PARAM:Memory;COMPUTE_ENGINE_PLL_PARAM:Engine. it return ref_div to be written to register
+  USHORT  usFbDiv;		    //return Feedback value to be written to register
+  UCHAR   ucPostDiv;      //return post div to be written to register
+}COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V2;
 #define COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_PS_ALLOCATION   COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS
 
-#define SET_CLOCK_FREQ_MASK                     0x00FFFFFF	/* Clock change tables only take bit [23:0] as the requested clock value */
-#define USE_NON_BUS_CLOCK_MASK                  0x01000000	/* Applicable to both memory and engine clock change, when set, it uses another clock as the temporary clock (engine uses memory and vice versa) */
-#define USE_MEMORY_SELF_REFRESH_MASK            0x02000000	/* Only applicable to memory clock change, when set, using memory self refresh during clock transition */
-#define SKIP_INTERNAL_MEMORY_PARAMETER_CHANGE   0x04000000	/* Only applicable to memory clock change, when set, the table will skip predefined internal memory parameter change */
-#define FIRST_TIME_CHANGE_CLOCK									0x08000000	/* Applicable to both memory and engine clock change,when set, it means this is 1st time to change clock after ASIC bootup */
-#define SKIP_SW_PROGRAM_PLL											0x10000000	/* Applicable to both memory and engine clock change, when set, it means the table will not program SPLL/MPLL */
+
+#define SET_CLOCK_FREQ_MASK                     0x00FFFFFF  //Clock change tables only take bit [23:0] as the requested clock value
+#define USE_NON_BUS_CLOCK_MASK                  0x01000000  //Applicable to both memory and engine clock change, when set, it uses another clock as the temporary clock (engine uses memory and vice versa)
+#define USE_MEMORY_SELF_REFRESH_MASK            0x02000000	//Only applicable to memory clock change, when set, using memory self refresh during clock transition
+#define SKIP_INTERNAL_MEMORY_PARAMETER_CHANGE   0x04000000  //Only applicable to memory clock change, when set, the table will skip predefined internal memory parameter change
+#define FIRST_TIME_CHANGE_CLOCK									0x08000000	//Applicable to both memory and engine clock change,when set, it means this is 1st time to change clock after ASIC bootup
+#define SKIP_SW_PROGRAM_PLL											0x10000000	//Applicable to both memory and engine clock change, when set, it means the table will not program SPLL/MPLL
 #define USE_SS_ENABLED_PIXEL_CLOCK  USE_NON_BUS_CLOCK_MASK
 
-#define b3USE_NON_BUS_CLOCK_MASK                  0x01	/* Applicable to both memory and engine clock change, when set, it uses another clock as the temporary clock (engine uses memory and vice versa) */
-#define b3USE_MEMORY_SELF_REFRESH                 0x02	/* Only applicable to memory clock change, when set, using memory self refresh during clock transition */
-#define b3SKIP_INTERNAL_MEMORY_PARAMETER_CHANGE   0x04	/* Only applicable to memory clock change, when set, the table will skip predefined internal memory parameter change */
-#define b3FIRST_TIME_CHANGE_CLOCK									0x08	/* Applicable to both memory and engine clock change,when set, it means this is 1st time to change clock after ASIC bootup */
-#define b3SKIP_SW_PROGRAM_PLL											0x10	/* Applicable to both memory and engine clock change, when set, it means the table will not program SPLL/MPLL */
+#define b3USE_NON_BUS_CLOCK_MASK                  0x01       //Applicable to both memory and engine clock change, when set, it uses another clock as the temporary clock (engine uses memory and vice versa)
+#define b3USE_MEMORY_SELF_REFRESH                 0x02	     //Only applicable to memory clock change, when set, using memory self refresh during clock transition
+#define b3SKIP_INTERNAL_MEMORY_PARAMETER_CHANGE   0x04       //Only applicable to memory clock change, when set, the table will skip predefined internal memory parameter change
+#define b3FIRST_TIME_CHANGE_CLOCK									0x08       //Applicable to both memory and engine clock change,when set, it means this is 1st time to change clock after ASIC bootup
+#define b3SKIP_SW_PROGRAM_PLL											0x10			 //Applicable to both memory and engine clock change, when set, it means the table will not program SPLL/MPLL
 
-typedef struct _ATOM_COMPUTE_CLOCK_FREQ {
+typedef struct _ATOM_COMPUTE_CLOCK_FREQ
+{
 #if ATOM_BIG_ENDIAN
-	ULONG ulComputeClockFlag:8;	/*  =1: COMPUTE_MEMORY_PLL_PARAM, =2: COMPUTE_ENGINE_PLL_PARAM */
-	ULONG ulClockFreq:24;	/*  in unit of 10kHz */
+  ULONG ulComputeClockFlag:8;                 // =1: COMPUTE_MEMORY_PLL_PARAM, =2: COMPUTE_ENGINE_PLL_PARAM
+  ULONG ulClockFreq:24;                       // in unit of 10kHz
 #else
-	ULONG ulClockFreq:24;	/*  in unit of 10kHz */
-	ULONG ulComputeClockFlag:8;	/*  =1: COMPUTE_MEMORY_PLL_PARAM, =2: COMPUTE_ENGINE_PLL_PARAM */
+  ULONG ulClockFreq:24;                       // in unit of 10kHz
+  ULONG ulComputeClockFlag:8;                 // =1: COMPUTE_MEMORY_PLL_PARAM, =2: COMPUTE_ENGINE_PLL_PARAM
 #endif
-} ATOM_COMPUTE_CLOCK_FREQ;
-
-typedef struct _ATOM_S_MPLL_FB_DIVIDER {
-	USHORT usFbDivFrac;
-	USHORT usFbDiv;
-} ATOM_S_MPLL_FB_DIVIDER;
+}ATOM_COMPUTE_CLOCK_FREQ;
 
-typedef struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V3 {
-	union {
-		ATOM_COMPUTE_CLOCK_FREQ ulClock;	/* Input Parameter */
-		ATOM_S_MPLL_FB_DIVIDER ulFbDiv;	/* Output Parameter */
-	};
-	UCHAR ucRefDiv;		/* Output Parameter */
-	UCHAR ucPostDiv;	/* Output Parameter */
-	UCHAR ucCntlFlag;	/* Output Parameter */
-	UCHAR ucReserved;
-} COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V3;
+typedef struct _ATOM_S_MPLL_FB_DIVIDER
+{
+  USHORT usFbDivFrac;  
+  USHORT usFbDiv;  
+}ATOM_S_MPLL_FB_DIVIDER;
 
-/*  ucCntlFlag */
+typedef struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V3
+{
+  union
+  {
+    ATOM_COMPUTE_CLOCK_FREQ  ulClock;         //Input Parameter
+    ATOM_S_MPLL_FB_DIVIDER   ulFbDiv;         //Output Parameter
+  };
+  UCHAR   ucRefDiv;                           //Output Parameter      
+  UCHAR   ucPostDiv;                          //Output Parameter      
+  UCHAR   ucCntlFlag;                         //Output Parameter      
+  UCHAR   ucReserved;
+}COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V3;
+
+// ucCntlFlag
 #define ATOM_PLL_CNTL_FLAG_PLL_POST_DIV_EN          1
 #define ATOM_PLL_CNTL_FLAG_MPLL_VCO_MODE            2
 #define ATOM_PLL_CNTL_FLAG_FRACTION_DISABLE         4
+#define ATOM_PLL_CNTL_FLAG_SPLL_ISPARE_9						8
 
-typedef struct _DYNAMICE_MEMORY_SETTINGS_PARAMETER {
-	ATOM_COMPUTE_CLOCK_FREQ ulClock;
-	ULONG ulReserved[2];
-} DYNAMICE_MEMORY_SETTINGS_PARAMETER;
-
-typedef struct _DYNAMICE_ENGINE_SETTINGS_PARAMETER {
-	ATOM_COMPUTE_CLOCK_FREQ ulClock;
-	ULONG ulMemoryClock;
-	ULONG ulReserved;
-} DYNAMICE_ENGINE_SETTINGS_PARAMETER;
-
-/****************************************************************************/
-/*  Structures used by SetEngineClockTable */
-/****************************************************************************/
-typedef struct _SET_ENGINE_CLOCK_PARAMETERS {
-	ULONG ulTargetEngineClock;	/* In 10Khz unit */
-} SET_ENGINE_CLOCK_PARAMETERS;
 
-typedef struct _SET_ENGINE_CLOCK_PS_ALLOCATION {
-	ULONG ulTargetEngineClock;	/* In 10Khz unit */
-	COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_PS_ALLOCATION sReserved;
-} SET_ENGINE_CLOCK_PS_ALLOCATION;
+// V4 are only used for APU which PLL outside GPU
+typedef struct _COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V4
+{
+#if ATOM_BIG_ENDIAN
+  ULONG  ucPostDiv;          //return parameter: post divider which is used to program to register directly
+  ULONG  ulClock:24;         //Input= target clock, output = actual clock 
+#else
+  ULONG  ulClock:24;         //Input= target clock, output = actual clock 
+  ULONG  ucPostDiv;          //return parameter: post divider which is used to program to register directly
+#endif
+}COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_V4;
 
-/****************************************************************************/
-/*  Structures used by SetMemoryClockTable */
-/****************************************************************************/
-typedef struct _SET_MEMORY_CLOCK_PARAMETERS {
-	ULONG ulTargetMemoryClock;	/* In 10Khz unit */
-} SET_MEMORY_CLOCK_PARAMETERS;
+typedef struct _DYNAMICE_MEMORY_SETTINGS_PARAMETER
+{
+  ATOM_COMPUTE_CLOCK_FREQ ulClock;
+  ULONG ulReserved[2];
+}DYNAMICE_MEMORY_SETTINGS_PARAMETER;
 
-typedef struct _SET_MEMORY_CLOCK_PS_ALLOCATION {
-	ULONG ulTargetMemoryClock;	/* In 10Khz unit */
-	COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_PS_ALLOCATION sReserved;
-} SET_MEMORY_CLOCK_PS_ALLOCATION;
+typedef struct _DYNAMICE_ENGINE_SETTINGS_PARAMETER
+{
+  ATOM_COMPUTE_CLOCK_FREQ ulClock;
+  ULONG ulMemoryClock;
+  ULONG ulReserved;
+}DYNAMICE_ENGINE_SETTINGS_PARAMETER;
+
+/****************************************************************************/	
+// Structures used by SetEngineClockTable
+/****************************************************************************/	
+typedef struct _SET_ENGINE_CLOCK_PARAMETERS
+{
+  ULONG ulTargetEngineClock;          //In 10Khz unit
+}SET_ENGINE_CLOCK_PARAMETERS;
 
-/****************************************************************************/
-/*  Structures used by ASIC_Init.ctb */
-/****************************************************************************/
-typedef struct _ASIC_INIT_PARAMETERS {
-	ULONG ulDefaultEngineClock;	/* In 10Khz unit */
-	ULONG ulDefaultMemoryClock;	/* In 10Khz unit */
-} ASIC_INIT_PARAMETERS;
+typedef struct _SET_ENGINE_CLOCK_PS_ALLOCATION
+{
+  ULONG ulTargetEngineClock;          //In 10Khz unit
+  COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_PS_ALLOCATION sReserved;
+}SET_ENGINE_CLOCK_PS_ALLOCATION;
+
+/****************************************************************************/	
+// Structures used by SetMemoryClockTable
+/****************************************************************************/	
+typedef struct _SET_MEMORY_CLOCK_PARAMETERS
+{
+  ULONG ulTargetMemoryClock;          //In 10Khz unit
+}SET_MEMORY_CLOCK_PARAMETERS;
 
-typedef struct _ASIC_INIT_PS_ALLOCATION {
-	ASIC_INIT_PARAMETERS sASICInitClocks;
-	SET_ENGINE_CLOCK_PS_ALLOCATION sReserved;	/* Caller doesn't need to init this structure */
-} ASIC_INIT_PS_ALLOCATION;
+typedef struct _SET_MEMORY_CLOCK_PS_ALLOCATION
+{
+  ULONG ulTargetMemoryClock;          //In 10Khz unit
+  COMPUTE_MEMORY_ENGINE_PLL_PARAMETERS_PS_ALLOCATION sReserved;
+}SET_MEMORY_CLOCK_PS_ALLOCATION;
+
+/****************************************************************************/	
+// Structures used by ASIC_Init.ctb
+/****************************************************************************/	
+typedef struct _ASIC_INIT_PARAMETERS
+{
+  ULONG ulDefaultEngineClock;         //In 10Khz unit
+  ULONG ulDefaultMemoryClock;         //In 10Khz unit
+}ASIC_INIT_PARAMETERS;
 
-/****************************************************************************/
-/*  Structure used by DynamicClockGatingTable.ctb */
-/****************************************************************************/
-typedef struct _DYNAMIC_CLOCK_GATING_PARAMETERS {
-	UCHAR ucEnable;		/*  ATOM_ENABLE or ATOM_DISABLE */
-	UCHAR ucPadding[3];
-} DYNAMIC_CLOCK_GATING_PARAMETERS;
+typedef struct _ASIC_INIT_PS_ALLOCATION
+{
+  ASIC_INIT_PARAMETERS sASICInitClocks;
+  SET_ENGINE_CLOCK_PS_ALLOCATION sReserved; //Caller doesn't need to init this structure
+}ASIC_INIT_PS_ALLOCATION;
+
+/****************************************************************************/	
+// Structure used by DynamicClockGatingTable.ctb
+/****************************************************************************/	
+typedef struct _DYNAMIC_CLOCK_GATING_PARAMETERS 
+{
+  UCHAR ucEnable;                     // ATOM_ENABLE or ATOM_DISABLE
+  UCHAR ucPadding[3];
+}DYNAMIC_CLOCK_GATING_PARAMETERS;
 #define  DYNAMIC_CLOCK_GATING_PS_ALLOCATION  DYNAMIC_CLOCK_GATING_PARAMETERS
 
-/****************************************************************************/
-/*  Structure used by EnableASIC_StaticPwrMgtTable.ctb */
-/****************************************************************************/
-typedef struct _ENABLE_ASIC_STATIC_PWR_MGT_PARAMETERS {
-	UCHAR ucEnable;		/*  ATOM_ENABLE or ATOM_DISABLE */
-	UCHAR ucPadding[3];
-} ENABLE_ASIC_STATIC_PWR_MGT_PARAMETERS;
+/****************************************************************************/	
+// Structure used by EnableASIC_StaticPwrMgtTable.ctb
+/****************************************************************************/	
+typedef struct _ENABLE_ASIC_STATIC_PWR_MGT_PARAMETERS
+{
+  UCHAR ucEnable;                     // ATOM_ENABLE or ATOM_DISABLE
+  UCHAR ucPadding[3];
+}ENABLE_ASIC_STATIC_PWR_MGT_PARAMETERS;
 #define ENABLE_ASIC_STATIC_PWR_MGT_PS_ALLOCATION  ENABLE_ASIC_STATIC_PWR_MGT_PARAMETERS
 
-/****************************************************************************/
-/*  Structures used by DAC_LoadDetectionTable.ctb */
-/****************************************************************************/
-typedef struct _DAC_LOAD_DETECTION_PARAMETERS {
-	USHORT usDeviceID;	/* {ATOM_DEVICE_CRTx_SUPPORT,ATOM_DEVICE_TVx_SUPPORT,ATOM_DEVICE_CVx_SUPPORT} */
-	UCHAR ucDacType;	/* {ATOM_DAC_A,ATOM_DAC_B, ATOM_EXT_DAC} */
-	UCHAR ucMisc;		/* Valid only when table revision =1.3 and above */
-} DAC_LOAD_DETECTION_PARAMETERS;
+/****************************************************************************/	
+// Structures used by DAC_LoadDetectionTable.ctb
+/****************************************************************************/	
+typedef struct _DAC_LOAD_DETECTION_PARAMETERS
+{
+  USHORT usDeviceID;                  //{ATOM_DEVICE_CRTx_SUPPORT,ATOM_DEVICE_TVx_SUPPORT,ATOM_DEVICE_CVx_SUPPORT}
+  UCHAR  ucDacType;                   //{ATOM_DAC_A,ATOM_DAC_B, ATOM_EXT_DAC}
+  UCHAR  ucMisc;											//Valid only when table revision =1.3 and above
+}DAC_LOAD_DETECTION_PARAMETERS;
 
-/*  DAC_LOAD_DETECTION_PARAMETERS.ucMisc */
+// DAC_LOAD_DETECTION_PARAMETERS.ucMisc
 #define DAC_LOAD_MISC_YPrPb						0x01
 
-typedef struct _DAC_LOAD_DETECTION_PS_ALLOCATION {
-	DAC_LOAD_DETECTION_PARAMETERS sDacload;
-	ULONG Reserved[2];	/*  Don't set this one, allocation for EXT DAC */
-} DAC_LOAD_DETECTION_PS_ALLOCATION;
-
-/****************************************************************************/
-/*  Structures used by DAC1EncoderControlTable.ctb and DAC2EncoderControlTable.ctb */
-/****************************************************************************/
-typedef struct _DAC_ENCODER_CONTROL_PARAMETERS {
-	USHORT usPixelClock;	/*  in 10KHz; for bios convenient */
-	UCHAR ucDacStandard;	/*  See definition of ATOM_DACx_xxx, For DEC3.0, bit 7 used as internal flag to indicate DAC2 (==1) or DAC1 (==0) */
-	UCHAR ucAction;		/*  0: turn off encoder */
-	/*  1: setup and turn on encoder */
-	/*  7: ATOM_ENCODER_INIT Initialize DAC */
-} DAC_ENCODER_CONTROL_PARAMETERS;
+typedef struct _DAC_LOAD_DETECTION_PS_ALLOCATION
+{
+  DAC_LOAD_DETECTION_PARAMETERS            sDacload;
+  ULONG                                    Reserved[2];// Don't set this one, allocation for EXT DAC
+}DAC_LOAD_DETECTION_PS_ALLOCATION;
+
+/****************************************************************************/	
+// Structures used by DAC1EncoderControlTable.ctb and DAC2EncoderControlTable.ctb
+/****************************************************************************/	
+typedef struct _DAC_ENCODER_CONTROL_PARAMETERS 
+{
+  USHORT usPixelClock;                // in 10KHz; for bios convenient
+  UCHAR  ucDacStandard;               // See definition of ATOM_DACx_xxx, For DEC3.0, bit 7 used as internal flag to indicate DAC2 (==1) or DAC1 (==0)
+  UCHAR  ucAction;                    // 0: turn off encoder
+                                      // 1: setup and turn on encoder
+                                      // 7: ATOM_ENCODER_INIT Initialize DAC
+}DAC_ENCODER_CONTROL_PARAMETERS;
 
 #define DAC_ENCODER_CONTROL_PS_ALLOCATION  DAC_ENCODER_CONTROL_PARAMETERS
 
-/****************************************************************************/
-/*  Structures used by DIG1EncoderControlTable */
-/*                     DIG2EncoderControlTable */
-/*                     ExternalEncoderControlTable */
-/****************************************************************************/
-typedef struct _DIG_ENCODER_CONTROL_PARAMETERS {
-	USHORT usPixelClock;	/*  in 10KHz; for bios convenient */
-	UCHAR ucConfig;
-	/*  [2] Link Select: */
-	/*  =0: PHY linkA if bfLane<3 */
-	/*  =1: PHY linkB if bfLanes<3 */
-	/*  =0: PHY linkA+B if bfLanes=3 */
-	/*  [3] Transmitter Sel */
-	/*  =0: UNIPHY or PCIEPHY */
-	/*  =1: LVTMA */
-	UCHAR ucAction;		/*  =0: turn off encoder */
-	/*  =1: turn on encoder */
-	UCHAR ucEncoderMode;
-	/*  =0: DP   encoder */
-	/*  =1: LVDS encoder */
-	/*  =2: DVI  encoder */
-	/*  =3: HDMI encoder */
-	/*  =4: SDVO encoder */
-	UCHAR ucLaneNum;	/*  how many lanes to enable */
-	UCHAR ucReserved[2];
-} DIG_ENCODER_CONTROL_PARAMETERS;
+/****************************************************************************/	
+// Structures used by DIG1EncoderControlTable
+//                    DIG2EncoderControlTable
+//                    ExternalEncoderControlTable
+/****************************************************************************/	
+typedef struct _DIG_ENCODER_CONTROL_PARAMETERS
+{
+  USHORT usPixelClock;		// in 10KHz; for bios convenient
+  UCHAR  ucConfig;		  
+                            // [2] Link Select:
+                            // =0: PHY linkA if bfLane<3
+                            // =1: PHY linkB if bfLanes<3
+                            // =0: PHY linkA+B if bfLanes=3
+                            // [3] Transmitter Sel
+                            // =0: UNIPHY or PCIEPHY
+                            // =1: LVTMA 					
+  UCHAR ucAction;           // =0: turn off encoder					
+                            // =1: turn on encoder			
+  UCHAR ucEncoderMode;
+                            // =0: DP   encoder      
+                            // =1: LVDS encoder          
+                            // =2: DVI  encoder  
+                            // =3: HDMI encoder
+                            // =4: SDVO encoder
+  UCHAR ucLaneNum;          // how many lanes to enable
+  UCHAR ucReserved[2];
+}DIG_ENCODER_CONTROL_PARAMETERS;
 #define DIG_ENCODER_CONTROL_PS_ALLOCATION			  DIG_ENCODER_CONTROL_PARAMETERS
 #define EXTERNAL_ENCODER_CONTROL_PARAMETER			DIG_ENCODER_CONTROL_PARAMETERS
 
-/* ucConfig */
+//ucConfig
 #define ATOM_ENCODER_CONFIG_DPLINKRATE_MASK				0x01
 #define ATOM_ENCODER_CONFIG_DPLINKRATE_1_62GHZ		0x00
 #define ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ		0x01
@@ -539,52 +593,57 @@ typedef struct _DIG_ENCODER_CONTROL_PARAMETERS {
 #define ATOM_ENCODER_CONFIG_LVTMA								  0x08
 #define ATOM_ENCODER_CONFIG_TRANSMITTER1				  0x00
 #define ATOM_ENCODER_CONFIG_TRANSMITTER2				  0x08
-#define ATOM_ENCODER_CONFIG_DIGB								  0x80	/*  VBIOS Internal use, outside SW should set this bit=0 */
-/*  ucAction */
-/*  ATOM_ENABLE:  Enable Encoder */
-/*  ATOM_DISABLE: Disable Encoder */
+#define ATOM_ENCODER_CONFIG_DIGB								  0x80			// VBIOS Internal use, outside SW should set this bit=0
+// ucAction
+// ATOM_ENABLE:  Enable Encoder
+// ATOM_DISABLE: Disable Encoder
 
-/* ucEncoderMode */
+//ucEncoderMode
 #define ATOM_ENCODER_MODE_DP											0
 #define ATOM_ENCODER_MODE_LVDS										1
 #define ATOM_ENCODER_MODE_DVI											2
 #define ATOM_ENCODER_MODE_HDMI										3
 #define ATOM_ENCODER_MODE_SDVO										4
+#define ATOM_ENCODER_MODE_DP_AUDIO                5
 #define ATOM_ENCODER_MODE_TV											13
 #define ATOM_ENCODER_MODE_CV											14
 #define ATOM_ENCODER_MODE_CRT											15
 
-typedef struct _ATOM_DIG_ENCODER_CONFIG_V2 {
+typedef struct _ATOM_DIG_ENCODER_CONFIG_V2
+{
 #if ATOM_BIG_ENDIAN
-	UCHAR ucReserved1:2;
-	UCHAR ucTransmitterSel:2;	/*  =0: UniphyAB, =1: UniphyCD  =2: UniphyEF */
-	UCHAR ucLinkSel:1;	/*  =0: linkA/C/E =1: linkB/D/F */
-	UCHAR ucReserved:1;
-	UCHAR ucDPLinkRate:1;	/*  =0: 1.62Ghz, =1: 2.7Ghz */
+    UCHAR ucReserved1:2;
+    UCHAR ucTransmitterSel:2;     // =0: UniphyAB, =1: UniphyCD  =2: UniphyEF
+    UCHAR ucLinkSel:1;            // =0: linkA/C/E =1: linkB/D/F
+    UCHAR ucReserved:1;
+    UCHAR ucDPLinkRate:1;         // =0: 1.62Ghz, =1: 2.7Ghz
 #else
-	UCHAR ucDPLinkRate:1;	/*  =0: 1.62Ghz, =1: 2.7Ghz */
-	UCHAR ucReserved:1;
-	UCHAR ucLinkSel:1;	/*  =0: linkA/C/E =1: linkB/D/F */
-	UCHAR ucTransmitterSel:2;	/*  =0: UniphyAB, =1: UniphyCD  =2: UniphyEF */
-	UCHAR ucReserved1:2;
+    UCHAR ucDPLinkRate:1;         // =0: 1.62Ghz, =1: 2.7Ghz
+    UCHAR ucReserved:1;
+    UCHAR ucLinkSel:1;            // =0: linkA/C/E =1: linkB/D/F
+    UCHAR ucTransmitterSel:2;     // =0: UniphyAB, =1: UniphyCD  =2: UniphyEF
+    UCHAR ucReserved1:2;
 #endif
-} ATOM_DIG_ENCODER_CONFIG_V2;
+}ATOM_DIG_ENCODER_CONFIG_V2;
 
-typedef struct _DIG_ENCODER_CONTROL_PARAMETERS_V2 {
-	USHORT usPixelClock;	/*  in 10KHz; for bios convenient */
-	ATOM_DIG_ENCODER_CONFIG_V2 acConfig;
-	UCHAR ucAction;
-	UCHAR ucEncoderMode;
-	/*  =0: DP   encoder */
-	/*  =1: LVDS encoder */
-	/*  =2: DVI  encoder */
-	/*  =3: HDMI encoder */
-	/*  =4: SDVO encoder */
-	UCHAR ucLaneNum;	/*  how many lanes to enable */
-	UCHAR ucReserved[2];
-} DIG_ENCODER_CONTROL_PARAMETERS_V2;
 
-/* ucConfig */
+typedef struct _DIG_ENCODER_CONTROL_PARAMETERS_V2
+{
+  USHORT usPixelClock;      // in 10KHz; for bios convenient
+  ATOM_DIG_ENCODER_CONFIG_V2 acConfig;
+  UCHAR ucAction;                                       
+  UCHAR ucEncoderMode;
+                            // =0: DP   encoder      
+                            // =1: LVDS encoder          
+                            // =2: DVI  encoder  
+                            // =3: HDMI encoder
+                            // =4: SDVO encoder
+  UCHAR ucLaneNum;          // how many lanes to enable
+  UCHAR ucStatus;           // = DP_LINK_TRAINING_COMPLETE or DP_LINK_TRAINING_INCOMPLETE, only used by VBIOS with command ATOM_ENCODER_CMD_QUERY_DP_LINK_TRAINING_STATUS
+  UCHAR ucReserved;
+}DIG_ENCODER_CONTROL_PARAMETERS_V2;
+
+//ucConfig
 #define ATOM_ENCODER_CONFIG_V2_DPLINKRATE_MASK				0x01
 #define ATOM_ENCODER_CONFIG_V2_DPLINKRATE_1_62GHZ		  0x00
 #define ATOM_ENCODER_CONFIG_V2_DPLINKRATE_2_70GHZ		  0x01
@@ -596,58 +655,122 @@ typedef struct _DIG_ENCODER_CONTROL_PARAMETERS_V2 {
 #define ATOM_ENCODER_CONFIG_V2_TRANSMITTER2				    0x08
 #define ATOM_ENCODER_CONFIG_V2_TRANSMITTER3				    0x10
 
-/****************************************************************************/
-/*  Structures used by UNIPHYTransmitterControlTable */
-/*                     LVTMATransmitterControlTable */
-/*                     DVOOutputControlTable */
-/****************************************************************************/
-typedef struct _ATOM_DP_VS_MODE {
-	UCHAR ucLaneSel;
-	UCHAR ucLaneSet;
-} ATOM_DP_VS_MODE;
-
-typedef struct _DIG_TRANSMITTER_CONTROL_PARAMETERS {
-	union {
-		USHORT usPixelClock;	/*  in 10KHz; for bios convenient */
-		USHORT usInitInfo;	/*  when init uniphy,lower 8bit is used for connector type defined in objectid.h */
-		ATOM_DP_VS_MODE asMode;	/*  DP Voltage swing mode */
+// ucAction:
+// ATOM_DISABLE
+// ATOM_ENABLE
+#define ATOM_ENCODER_CMD_DP_LINK_TRAINING_START       0x08
+#define ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN1    0x09
+#define ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN2    0x0a
+#define ATOM_ENCODER_CMD_DP_LINK_TRAINING_COMPLETE    0x0b
+#define ATOM_ENCODER_CMD_DP_VIDEO_OFF                 0x0c
+#define ATOM_ENCODER_CMD_DP_VIDEO_ON                  0x0d
+#define ATOM_ENCODER_CMD_QUERY_DP_LINK_TRAINING_STATUS    0x0e
+#define ATOM_ENCODER_CMD_SETUP                        0x0f
+
+// ucStatus
+#define ATOM_ENCODER_STATUS_LINK_TRAINING_COMPLETE    0x10
+#define ATOM_ENCODER_STATUS_LINK_TRAINING_INCOMPLETE  0x00
+
+// Following function ENABLE sub-function will be used by driver when TMDS/HDMI/LVDS is used, disable function will be used by driver
+typedef struct _ATOM_DIG_ENCODER_CONFIG_V3
+{
+#if ATOM_BIG_ENDIAN
+    UCHAR ucReserved1:1;
+    UCHAR ucDigSel:3;             // =0: DIGA/B/C/D/E/F
+    UCHAR ucReserved:3;
+    UCHAR ucDPLinkRate:1;         // =0: 1.62Ghz, =1: 2.7Ghz
+#else
+    UCHAR ucDPLinkRate:1;         // =0: 1.62Ghz, =1: 2.7Ghz
+    UCHAR ucReserved:3;
+    UCHAR ucDigSel:3;             // =0: DIGA/B/C/D/E/F
+    UCHAR ucReserved1:1;
+#endif
+}ATOM_DIG_ENCODER_CONFIG_V3;
+
+#define ATOM_ENCODER_CONFIG_V3_ENCODER_SEL					  0x70
+
+
+typedef struct _DIG_ENCODER_CONTROL_PARAMETERS_V3
+{
+  USHORT usPixelClock;      // in 10KHz; for bios convenient
+  ATOM_DIG_ENCODER_CONFIG_V3 acConfig;
+  UCHAR ucAction;                              
+  UCHAR ucEncoderMode;
+                            // =0: DP   encoder      
+                            // =1: LVDS encoder          
+                            // =2: DVI  encoder  
+                            // =3: HDMI encoder
+                            // =4: SDVO encoder
+                            // =5: DP audio
+  UCHAR ucLaneNum;          // how many lanes to enable
+  UCHAR ucBitPerColor;      // only valid for DP mode when ucAction = ATOM_ENCODER_CMD_SETUP
+  UCHAR ucReserved;
+}DIG_ENCODER_CONTROL_PARAMETERS_V3;
+
+
+// define ucBitPerColor: 
+#define PANEL_BPC_UNDEFINE                               0x00
+#define PANEL_6BIT_PER_COLOR                             0x01 
+#define PANEL_8BIT_PER_COLOR                             0x02
+#define PANEL_10BIT_PER_COLOR                            0x03
+#define PANEL_12BIT_PER_COLOR                            0x04
+#define PANEL_16BIT_PER_COLOR                            0x05
+
+/****************************************************************************/	
+// Structures used by UNIPHYTransmitterControlTable
+//                    LVTMATransmitterControlTable
+//                    DVOOutputControlTable
+/****************************************************************************/	
+typedef struct _ATOM_DP_VS_MODE
+{
+  UCHAR ucLaneSel;
+  UCHAR ucLaneSet;
+}ATOM_DP_VS_MODE;
+
+typedef struct _DIG_TRANSMITTER_CONTROL_PARAMETERS
+{
+	union
+	{
+  USHORT usPixelClock;		// in 10KHz; for bios convenient
+	USHORT usInitInfo;			// when init uniphy,lower 8bit is used for connector type defined in objectid.h
+  ATOM_DP_VS_MODE asMode; // DP Voltage swing mode
 	};
-	UCHAR ucConfig;
-	/*  [0]=0: 4 lane Link, */
-	/*     =1: 8 lane Link ( Dual Links TMDS ) */
-	/*  [1]=0: InCoherent mode */
-	/*     =1: Coherent Mode */
-	/*  [2] Link Select: */
-	/*  =0: PHY linkA   if bfLane<3 */
-	/*  =1: PHY linkB   if bfLanes<3 */
-	/*  =0: PHY linkA+B if bfLanes=3 */
-	/*  [5:4]PCIE lane Sel */
-	/*  =0: lane 0~3 or 0~7 */
-	/*  =1: lane 4~7 */
-	/*  =2: lane 8~11 or 8~15 */
-	/*  =3: lane 12~15 */
-	UCHAR ucAction;		/*  =0: turn off encoder */
-	/*  =1: turn on encoder */
-	UCHAR ucReserved[4];
-} DIG_TRANSMITTER_CONTROL_PARAMETERS;
-
-#define DIG_TRANSMITTER_CONTROL_PS_ALLOCATION		DIG_TRANSMITTER_CONTROL_PARAMETERS
-
-/* ucInitInfo */
-#define ATOM_TRAMITTER_INITINFO_CONNECTOR_MASK	0x00ff
-
-/* ucConfig */
+  UCHAR ucConfig;
+													// [0]=0: 4 lane Link,      
+													//    =1: 8 lane Link ( Dual Links TMDS ) 
+                          // [1]=0: InCoherent mode   
+													//    =1: Coherent Mode										
+													// [2] Link Select:
+  												// =0: PHY linkA   if bfLane<3
+													// =1: PHY linkB   if bfLanes<3
+		  										// =0: PHY linkA+B if bfLanes=3		
+                          // [5:4]PCIE lane Sel
+                          // =0: lane 0~3 or 0~7
+                          // =1: lane 4~7
+                          // =2: lane 8~11 or 8~15
+                          // =3: lane 12~15 
+	UCHAR ucAction;				  // =0: turn off encoder					
+	                        // =1: turn on encoder			
+  UCHAR ucReserved[4];
+}DIG_TRANSMITTER_CONTROL_PARAMETERS;
+
+#define DIG_TRANSMITTER_CONTROL_PS_ALLOCATION		DIG_TRANSMITTER_CONTROL_PARAMETERS					
+
+//ucInitInfo
+#define ATOM_TRAMITTER_INITINFO_CONNECTOR_MASK	0x00ff			
+
+//ucConfig 
 #define ATOM_TRANSMITTER_CONFIG_8LANE_LINK			0x01
 #define ATOM_TRANSMITTER_CONFIG_COHERENT				0x02
 #define ATOM_TRANSMITTER_CONFIG_LINK_SEL_MASK		0x04
 #define ATOM_TRANSMITTER_CONFIG_LINKA						0x00
 #define ATOM_TRANSMITTER_CONFIG_LINKB						0x04
-#define ATOM_TRANSMITTER_CONFIG_LINKA_B					0x00
+#define ATOM_TRANSMITTER_CONFIG_LINKA_B					0x00			
 #define ATOM_TRANSMITTER_CONFIG_LINKB_A					0x04
 
-#define ATOM_TRANSMITTER_CONFIG_ENCODER_SEL_MASK	0x08	/*  only used when ATOM_TRANSMITTER_ACTION_ENABLE */
-#define ATOM_TRANSMITTER_CONFIG_DIG1_ENCODER		0x00	/*  only used when ATOM_TRANSMITTER_ACTION_ENABLE */
-#define ATOM_TRANSMITTER_CONFIG_DIG2_ENCODER		0x08	/*  only used when ATOM_TRANSMITTER_ACTION_ENABLE */
+#define ATOM_TRANSMITTER_CONFIG_ENCODER_SEL_MASK	0x08			// only used when ATOM_TRANSMITTER_ACTION_ENABLE
+#define ATOM_TRANSMITTER_CONFIG_DIG1_ENCODER		0x00				// only used when ATOM_TRANSMITTER_ACTION_ENABLE
+#define ATOM_TRANSMITTER_CONFIG_DIG2_ENCODER		0x08				// only used when ATOM_TRANSMITTER_ACTION_ENABLE
 
 #define ATOM_TRANSMITTER_CONFIG_CLKSRC_MASK			0x30
 #define ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL			0x00
@@ -661,7 +784,7 @@ typedef struct _DIG_TRANSMITTER_CONTROL_PARAMETERS {
 #define ATOM_TRANSMITTER_CONFIG_LANE_8_15				0x80
 #define ATOM_TRANSMITTER_CONFIG_LANE_12_15			0xc0
 
-/* ucAction */
+//ucAction
 #define ATOM_TRANSMITTER_ACTION_DISABLE					       0
 #define ATOM_TRANSMITTER_ACTION_ENABLE					       1
 #define ATOM_TRANSMITTER_ACTION_LCD_BLOFF				       2
@@ -674,93 +797,168 @@ typedef struct _DIG_TRANSMITTER_CONTROL_PARAMETERS {
 #define ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT		       9
 #define ATOM_TRANSMITTER_ACTION_SETUP						       10
 #define ATOM_TRANSMITTER_ACTION_SETUP_VSEMPH           11
+#define ATOM_TRANSMITTER_ACTION_POWER_ON               12
+#define ATOM_TRANSMITTER_ACTION_POWER_OFF              13
 
-/*  Following are used for DigTransmitterControlTable ver1.2 */
-typedef struct _ATOM_DIG_TRANSMITTER_CONFIG_V2 {
+// Following are used for DigTransmitterControlTable ver1.2
+typedef struct _ATOM_DIG_TRANSMITTER_CONFIG_V2
+{
 #if ATOM_BIG_ENDIAN
-	UCHAR ucTransmitterSel:2;	/* bit7:6: =0 Dig Transmitter 1 ( Uniphy AB ) */
-	/*         =1 Dig Transmitter 2 ( Uniphy CD ) */
-	/*         =2 Dig Transmitter 3 ( Uniphy EF ) */
-	UCHAR ucReserved:1;
-	UCHAR fDPConnector:1;	/* bit4=0: DP connector  =1: None DP connector */
-	UCHAR ucEncoderSel:1;	/* bit3=0: Data/Clk path source from DIGA( DIG inst0 ). =1: Data/clk path source from DIGB ( DIG inst1 ) */
-	UCHAR ucLinkSel:1;	/* bit2=0: Uniphy LINKA or C or E when fDualLinkConnector=0. when fDualLinkConnector=1, it means master link of dual link is A or C or E */
-	/*     =1: Uniphy LINKB or D or F when fDualLinkConnector=0. when fDualLinkConnector=1, it means master link of dual link is B or D or F */
-
-	UCHAR fCoherentMode:1;	/* bit1=1: Coherent Mode ( for DVI/HDMI mode ) */
-	UCHAR fDualLinkConnector:1;	/* bit0=1: Dual Link DVI connector */
+  UCHAR ucTransmitterSel:2;         //bit7:6: =0 Dig Transmitter 1 ( Uniphy AB )
+                                    //        =1 Dig Transmitter 2 ( Uniphy CD )
+                                    //        =2 Dig Transmitter 3 ( Uniphy EF )
+  UCHAR ucReserved:1;               
+  UCHAR fDPConnector:1;             //bit4=0: DP connector  =1: None DP connector
+  UCHAR ucEncoderSel:1;             //bit3=0: Data/Clk path source from DIGA( DIG inst0 ). =1: Data/clk path source from DIGB ( DIG inst1 )
+  UCHAR ucLinkSel:1;                //bit2=0: Uniphy LINKA or C or E when fDualLinkConnector=0. when fDualLinkConnector=1, it means master link of dual link is A or C or E
+                                    //    =1: Uniphy LINKB or D or F when fDualLinkConnector=0. when fDualLinkConnector=1, it means master link of dual link is B or D or F
+
+  UCHAR fCoherentMode:1;            //bit1=1: Coherent Mode ( for DVI/HDMI mode )
+  UCHAR fDualLinkConnector:1;       //bit0=1: Dual Link DVI connector
 #else
-	UCHAR fDualLinkConnector:1;	/* bit0=1: Dual Link DVI connector */
-	UCHAR fCoherentMode:1;	/* bit1=1: Coherent Mode ( for DVI/HDMI mode ) */
-	UCHAR ucLinkSel:1;	/* bit2=0: Uniphy LINKA or C or E when fDualLinkConnector=0. when fDualLinkConnector=1, it means master link of dual link is A or C or E */
-	/*     =1: Uniphy LINKB or D or F when fDualLinkConnector=0. when fDualLinkConnector=1, it means master link of dual link is B or D or F */
-	UCHAR ucEncoderSel:1;	/* bit3=0: Data/Clk path source from DIGA( DIG inst0 ). =1: Data/clk path source from DIGB ( DIG inst1 ) */
-	UCHAR fDPConnector:1;	/* bit4=0: DP connector  =1: None DP connector */
-	UCHAR ucReserved:1;
-	UCHAR ucTransmitterSel:2;	/* bit7:6: =0 Dig Transmitter 1 ( Uniphy AB ) */
-	/*         =1 Dig Transmitter 2 ( Uniphy CD ) */
-	/*         =2 Dig Transmitter 3 ( Uniphy EF ) */
+  UCHAR fDualLinkConnector:1;       //bit0=1: Dual Link DVI connector
+  UCHAR fCoherentMode:1;            //bit1=1: Coherent Mode ( for DVI/HDMI mode )
+  UCHAR ucLinkSel:1;                //bit2=0: Uniphy LINKA or C or E when fDualLinkConnector=0. when fDualLinkConnector=1, it means master link of dual link is A or C or E
+                                    //    =1: Uniphy LINKB or D or F when fDualLinkConnector=0. when fDualLinkConnector=1, it means master link of dual link is B or D or F
+  UCHAR ucEncoderSel:1;             //bit3=0: Data/Clk path source from DIGA( DIG inst0 ). =1: Data/clk path source from DIGB ( DIG inst1 )
+  UCHAR fDPConnector:1;             //bit4=0: DP connector  =1: None DP connector
+  UCHAR ucReserved:1;               
+  UCHAR ucTransmitterSel:2;         //bit7:6: =0 Dig Transmitter 1 ( Uniphy AB )
+                                    //        =1 Dig Transmitter 2 ( Uniphy CD )
+                                    //        =2 Dig Transmitter 3 ( Uniphy EF )
 #endif
-} ATOM_DIG_TRANSMITTER_CONFIG_V2;
+}ATOM_DIG_TRANSMITTER_CONFIG_V2;
 
-/* ucConfig */
-/* Bit0 */
+//ucConfig 
+//Bit0
 #define ATOM_TRANSMITTER_CONFIG_V2_DUAL_LINK_CONNECTOR			0x01
 
-/* Bit1 */
+//Bit1
 #define ATOM_TRANSMITTER_CONFIG_V2_COHERENT				          0x02
 
-/* Bit2 */
+//Bit2
 #define ATOM_TRANSMITTER_CONFIG_V2_LINK_SEL_MASK		        0x04
-#define ATOM_TRANSMITTER_CONFIG_V2_LINKA			            0x00
+#define ATOM_TRANSMITTER_CONFIG_V2_LINKA  			            0x00
 #define ATOM_TRANSMITTER_CONFIG_V2_LINKB				            0x04
 
-/*  Bit3 */
+// Bit3
 #define ATOM_TRANSMITTER_CONFIG_V2_ENCODER_SEL_MASK	        0x08
-#define ATOM_TRANSMITTER_CONFIG_V2_DIG1_ENCODER		          0x00	/*  only used when ucAction == ATOM_TRANSMITTER_ACTION_ENABLE or ATOM_TRANSMITTER_ACTION_SETUP */
-#define ATOM_TRANSMITTER_CONFIG_V2_DIG2_ENCODER		          0x08	/*  only used when ucAction == ATOM_TRANSMITTER_ACTION_ENABLE or ATOM_TRANSMITTER_ACTION_SETUP */
+#define ATOM_TRANSMITTER_CONFIG_V2_DIG1_ENCODER		          0x00				// only used when ucAction == ATOM_TRANSMITTER_ACTION_ENABLE or ATOM_TRANSMITTER_ACTION_SETUP
+#define ATOM_TRANSMITTER_CONFIG_V2_DIG2_ENCODER		          0x08				// only used when ucAction == ATOM_TRANSMITTER_ACTION_ENABLE or ATOM_TRANSMITTER_ACTION_SETUP
 
-/*  Bit4 */
+// Bit4
 #define ATOM_TRASMITTER_CONFIG_V2_DP_CONNECTOR			        0x10
 
-/*  Bit7:6 */
+// Bit7:6
 #define ATOM_TRANSMITTER_CONFIG_V2_TRANSMITTER_SEL_MASK     0xC0
-#define ATOM_TRANSMITTER_CONFIG_V2_TRANSMITTER1			0x00	/* AB */
-#define ATOM_TRANSMITTER_CONFIG_V2_TRANSMITTER2			0x40	/* CD */
-#define ATOM_TRANSMITTER_CONFIG_V2_TRANSMITTER3			0x80	/* EF */
-
-typedef struct _DIG_TRANSMITTER_CONTROL_PARAMETERS_V2 {
-	union {
-		USHORT usPixelClock;	/*  in 10KHz; for bios convenient */
-		USHORT usInitInfo;	/*  when init uniphy,lower 8bit is used for connector type defined in objectid.h */
-		ATOM_DP_VS_MODE asMode;	/*  DP Voltage swing mode */
+#define ATOM_TRANSMITTER_CONFIG_V2_TRANSMITTER1           	0x00	//AB
+#define ATOM_TRANSMITTER_CONFIG_V2_TRANSMITTER2           	0x40	//CD
+#define ATOM_TRANSMITTER_CONFIG_V2_TRANSMITTER3           	0x80	//EF
+
+typedef struct _DIG_TRANSMITTER_CONTROL_PARAMETERS_V2
+{
+	union
+	{
+  USHORT usPixelClock;		// in 10KHz; for bios convenient
+	USHORT usInitInfo;			// when init uniphy,lower 8bit is used for connector type defined in objectid.h
+  ATOM_DP_VS_MODE asMode; // DP Voltage swing mode
 	};
-	ATOM_DIG_TRANSMITTER_CONFIG_V2 acConfig;
-	UCHAR ucAction;		/*  define as ATOM_TRANSMITER_ACTION_XXX */
-	UCHAR ucReserved[4];
-} DIG_TRANSMITTER_CONTROL_PARAMETERS_V2;
+  ATOM_DIG_TRANSMITTER_CONFIG_V2 acConfig;
+	UCHAR ucAction;				  // define as ATOM_TRANSMITER_ACTION_XXX
+  UCHAR ucReserved[4];
+}DIG_TRANSMITTER_CONTROL_PARAMETERS_V2;
 
-/****************************************************************************/
-/*  Structures used by DAC1OuputControlTable */
-/*                     DAC2OuputControlTable */
-/*                     LVTMAOutputControlTable  (Before DEC30) */
-/*                     TMDSAOutputControlTable  (Before DEC30) */
-/****************************************************************************/
-typedef struct _DISPLAY_DEVICE_OUTPUT_CONTROL_PARAMETERS {
-	UCHAR ucAction;		/*  Possible input:ATOM_ENABLE||ATOMDISABLE */
-	/*  When the display is LCD, in addition to above: */
-	/*  ATOM_LCD_BLOFF|| ATOM_LCD_BLON ||ATOM_LCD_BL_BRIGHTNESS_CONTROL||ATOM_LCD_SELFTEST_START|| */
-	/*  ATOM_LCD_SELFTEST_STOP */
+typedef struct _ATOM_DIG_TRANSMITTER_CONFIG_V3
+{
+#if ATOM_BIG_ENDIAN
+  UCHAR ucTransmitterSel:2;         //bit7:6: =0 Dig Transmitter 1 ( Uniphy AB )
+                                    //        =1 Dig Transmitter 2 ( Uniphy CD )
+                                    //        =2 Dig Transmitter 3 ( Uniphy EF )
+  UCHAR ucRefClkSource:2;           //bit5:4: PPLL1 =0, PPLL2=1, EXT_CLK=2
+  UCHAR ucEncoderSel:1;             //bit3=0: Data/Clk path source from DIGA/C/E. =1: Data/clk path source from DIGB/D/F
+  UCHAR ucLinkSel:1;                //bit2=0: Uniphy LINKA or C or E when fDualLinkConnector=0. when fDualLinkConnector=1, it means master link of dual link is A or C or E
+                                    //    =1: Uniphy LINKB or D or F when fDualLinkConnector=0. when fDualLinkConnector=1, it means master link of dual link is B or D or F
+  UCHAR fCoherentMode:1;            //bit1=1: Coherent Mode ( for DVI/HDMI mode )
+  UCHAR fDualLinkConnector:1;       //bit0=1: Dual Link DVI connector
+#else
+  UCHAR fDualLinkConnector:1;       //bit0=1: Dual Link DVI connector
+  UCHAR fCoherentMode:1;            //bit1=1: Coherent Mode ( for DVI/HDMI mode )
+  UCHAR ucLinkSel:1;                //bit2=0: Uniphy LINKA or C or E when fDualLinkConnector=0. when fDualLinkConnector=1, it means master link of dual link is A or C or E
+                                    //    =1: Uniphy LINKB or D or F when fDualLinkConnector=0. when fDualLinkConnector=1, it means master link of dual link is B or D or F
+  UCHAR ucEncoderSel:1;             //bit3=0: Data/Clk path source from DIGA/C/E. =1: Data/clk path source from DIGB/D/F
+  UCHAR ucRefClkSource:2;           //bit5:4: PPLL1 =0, PPLL2=1, EXT_CLK=2
+  UCHAR ucTransmitterSel:2;         //bit7:6: =0 Dig Transmitter 1 ( Uniphy AB )
+                                    //        =1 Dig Transmitter 2 ( Uniphy CD )
+                                    //        =2 Dig Transmitter 3 ( Uniphy EF )
+#endif
+}ATOM_DIG_TRANSMITTER_CONFIG_V3;
 
-	UCHAR aucPadding[3];	/*  padding to DWORD aligned */
-} DISPLAY_DEVICE_OUTPUT_CONTROL_PARAMETERS;
+typedef struct _DIG_TRANSMITTER_CONTROL_PARAMETERS_V3
+{
+	union
+	{
+    USHORT usPixelClock;		// in 10KHz; for bios convenient
+	  USHORT usInitInfo;			// when init uniphy,lower 8bit is used for connector type defined in objectid.h
+    ATOM_DP_VS_MODE asMode; // DP Voltage swing mode
+	};
+  ATOM_DIG_TRANSMITTER_CONFIG_V3 acConfig;
+	UCHAR ucAction;				    // define as ATOM_TRANSMITER_ACTION_XXX
+  UCHAR ucLaneNum;
+  UCHAR ucReserved[3];
+}DIG_TRANSMITTER_CONTROL_PARAMETERS_V3;
+
+//ucConfig 
+//Bit0
+#define ATOM_TRANSMITTER_CONFIG_V3_DUAL_LINK_CONNECTOR			0x01
+
+//Bit1
+#define ATOM_TRANSMITTER_CONFIG_V3_COHERENT				          0x02
+
+//Bit2
+#define ATOM_TRANSMITTER_CONFIG_V3_LINK_SEL_MASK		        0x04
+#define ATOM_TRANSMITTER_CONFIG_V3_LINKA  			            0x00
+#define ATOM_TRANSMITTER_CONFIG_V3_LINKB				            0x04
+
+// Bit3
+#define ATOM_TRANSMITTER_CONFIG_V3_ENCODER_SEL_MASK	        0x08
+#define ATOM_TRANSMITTER_CONFIG_V3_DIG1_ENCODER		          0x00
+#define ATOM_TRANSMITTER_CONFIG_V3_DIG2_ENCODER		          0x08
+
+// Bit5:4
+#define ATOM_TRASMITTER_CONFIG_V3_REFCLK_SEL_MASK 	        0x30
+#define ATOM_TRASMITTER_CONFIG_V3_P1PLL          		        0x00
+#define ATOM_TRASMITTER_CONFIG_V3_P2PLL		                  0x10
+#define ATOM_TRASMITTER_CONFIG_V3_REFCLK_SRC_EXT            0x20
+
+// Bit7:6
+#define ATOM_TRANSMITTER_CONFIG_V3_TRANSMITTER_SEL_MASK     0xC0
+#define ATOM_TRANSMITTER_CONFIG_V3_TRANSMITTER1           	0x00	//AB
+#define ATOM_TRANSMITTER_CONFIG_V3_TRANSMITTER2           	0x40	//CD
+#define ATOM_TRANSMITTER_CONFIG_V3_TRANSMITTER3           	0x80	//EF
+
+/****************************************************************************/	
+// Structures used by DAC1OuputControlTable
+//                    DAC2OuputControlTable
+//                    LVTMAOutputControlTable  (Before DEC30)
+//                    TMDSAOutputControlTable  (Before DEC30)
+/****************************************************************************/	
+typedef struct _DISPLAY_DEVICE_OUTPUT_CONTROL_PARAMETERS
+{
+  UCHAR  ucAction;                    // Possible input:ATOM_ENABLE||ATOMDISABLE
+                                      // When the display is LCD, in addition to above:
+                                      // ATOM_LCD_BLOFF|| ATOM_LCD_BLON ||ATOM_LCD_BL_BRIGHTNESS_CONTROL||ATOM_LCD_SELFTEST_START||
+                                      // ATOM_LCD_SELFTEST_STOP
+                                      
+  UCHAR  aucPadding[3];               // padding to DWORD aligned
+}DISPLAY_DEVICE_OUTPUT_CONTROL_PARAMETERS;
 
 #define DISPLAY_DEVICE_OUTPUT_CONTROL_PS_ALLOCATION DISPLAY_DEVICE_OUTPUT_CONTROL_PARAMETERS
 
-#define CRT1_OUTPUT_CONTROL_PARAMETERS     DISPLAY_DEVICE_OUTPUT_CONTROL_PARAMETERS
+
+#define CRT1_OUTPUT_CONTROL_PARAMETERS     DISPLAY_DEVICE_OUTPUT_CONTROL_PARAMETERS 
 #define CRT1_OUTPUT_CONTROL_PS_ALLOCATION  DISPLAY_DEVICE_OUTPUT_CONTROL_PS_ALLOCATION
 
-#define CRT2_OUTPUT_CONTROL_PARAMETERS     DISPLAY_DEVICE_OUTPUT_CONTROL_PARAMETERS
+#define CRT2_OUTPUT_CONTROL_PARAMETERS     DISPLAY_DEVICE_OUTPUT_CONTROL_PARAMETERS 
 #define CRT2_OUTPUT_CONTROL_PS_ALLOCATION  DISPLAY_DEVICE_OUTPUT_CONTROL_PS_ALLOCATION
 
 #define CV1_OUTPUT_CONTROL_PARAMETERS      DISPLAY_DEVICE_OUTPUT_CONTROL_PARAMETERS
@@ -782,397 +980,550 @@ typedef struct _DISPLAY_DEVICE_OUTPUT_CONTROL_PARAMETERS {
 #define DVO_OUTPUT_CONTROL_PS_ALLOCATION   DIG_TRANSMITTER_CONTROL_PS_ALLOCATION
 #define DVO_OUTPUT_CONTROL_PARAMETERS_V3	 DIG_TRANSMITTER_CONTROL_PARAMETERS
 
-/****************************************************************************/
-/*  Structures used by BlankCRTCTable */
-/****************************************************************************/
-typedef struct _BLANK_CRTC_PARAMETERS {
-	UCHAR ucCRTC;		/*  ATOM_CRTC1 or ATOM_CRTC2 */
-	UCHAR ucBlanking;	/*  ATOM_BLANKING or ATOM_BLANKINGOFF */
-	USHORT usBlackColorRCr;
-	USHORT usBlackColorGY;
-	USHORT usBlackColorBCb;
-} BLANK_CRTC_PARAMETERS;
+/****************************************************************************/	
+// Structures used by BlankCRTCTable
+/****************************************************************************/	
+typedef struct _BLANK_CRTC_PARAMETERS
+{
+  UCHAR  ucCRTC;                    	// ATOM_CRTC1 or ATOM_CRTC2
+  UCHAR  ucBlanking;                  // ATOM_BLANKING or ATOM_BLANKINGOFF
+  USHORT usBlackColorRCr;
+  USHORT usBlackColorGY;
+  USHORT usBlackColorBCb;
+}BLANK_CRTC_PARAMETERS;
 #define BLANK_CRTC_PS_ALLOCATION    BLANK_CRTC_PARAMETERS
 
-/****************************************************************************/
-/*  Structures used by EnableCRTCTable */
-/*                     EnableCRTCMemReqTable */
-/*                     UpdateCRTC_DoubleBufferRegistersTable */
-/****************************************************************************/
-typedef struct _ENABLE_CRTC_PARAMETERS {
-	UCHAR ucCRTC;		/*  ATOM_CRTC1 or ATOM_CRTC2 */
-	UCHAR ucEnable;		/*  ATOM_ENABLE or ATOM_DISABLE */
-	UCHAR ucPadding[2];
-} ENABLE_CRTC_PARAMETERS;
+/****************************************************************************/	
+// Structures used by EnableCRTCTable
+//                    EnableCRTCMemReqTable
+//                    UpdateCRTC_DoubleBufferRegistersTable
+/****************************************************************************/	
+typedef struct _ENABLE_CRTC_PARAMETERS
+{
+  UCHAR ucCRTC;                    	  // ATOM_CRTC1 or ATOM_CRTC2
+  UCHAR ucEnable;                     // ATOM_ENABLE or ATOM_DISABLE 
+  UCHAR ucPadding[2];
+}ENABLE_CRTC_PARAMETERS;
 #define ENABLE_CRTC_PS_ALLOCATION   ENABLE_CRTC_PARAMETERS
 
-/****************************************************************************/
-/*  Structures used by SetCRTC_OverScanTable */
-/****************************************************************************/
-typedef struct _SET_CRTC_OVERSCAN_PARAMETERS {
-	USHORT usOverscanRight;	/*  right */
-	USHORT usOverscanLeft;	/*  left */
-	USHORT usOverscanBottom;	/*  bottom */
-	USHORT usOverscanTop;	/*  top */
-	UCHAR ucCRTC;		/*  ATOM_CRTC1 or ATOM_CRTC2 */
-	UCHAR ucPadding[3];
-} SET_CRTC_OVERSCAN_PARAMETERS;
+/****************************************************************************/	
+// Structures used by SetCRTC_OverScanTable
+/****************************************************************************/	
+typedef struct _SET_CRTC_OVERSCAN_PARAMETERS
+{
+  USHORT usOverscanRight;             // right
+  USHORT usOverscanLeft;              // left
+  USHORT usOverscanBottom;            // bottom
+  USHORT usOverscanTop;               // top
+  UCHAR  ucCRTC;                      // ATOM_CRTC1 or ATOM_CRTC2
+  UCHAR  ucPadding[3];
+}SET_CRTC_OVERSCAN_PARAMETERS;
 #define SET_CRTC_OVERSCAN_PS_ALLOCATION  SET_CRTC_OVERSCAN_PARAMETERS
 
-/****************************************************************************/
-/*  Structures used by SetCRTC_ReplicationTable */
-/****************************************************************************/
-typedef struct _SET_CRTC_REPLICATION_PARAMETERS {
-	UCHAR ucH_Replication;	/*  horizontal replication */
-	UCHAR ucV_Replication;	/*  vertical replication */
-	UCHAR usCRTC;		/*  ATOM_CRTC1 or ATOM_CRTC2 */
-	UCHAR ucPadding;
-} SET_CRTC_REPLICATION_PARAMETERS;
+/****************************************************************************/	
+// Structures used by SetCRTC_ReplicationTable
+/****************************************************************************/	
+typedef struct _SET_CRTC_REPLICATION_PARAMETERS
+{
+  UCHAR ucH_Replication;              // horizontal replication
+  UCHAR ucV_Replication;              // vertical replication
+  UCHAR usCRTC;                       // ATOM_CRTC1 or ATOM_CRTC2
+  UCHAR ucPadding;
+}SET_CRTC_REPLICATION_PARAMETERS;
 #define SET_CRTC_REPLICATION_PS_ALLOCATION  SET_CRTC_REPLICATION_PARAMETERS
 
-/****************************************************************************/
-/*  Structures used by SelectCRTC_SourceTable */
-/****************************************************************************/
-typedef struct _SELECT_CRTC_SOURCE_PARAMETERS {
-	UCHAR ucCRTC;		/*  ATOM_CRTC1 or ATOM_CRTC2 */
-	UCHAR ucDevice;		/*  ATOM_DEVICE_CRT1|ATOM_DEVICE_CRT2|.... */
-	UCHAR ucPadding[2];
-} SELECT_CRTC_SOURCE_PARAMETERS;
+/****************************************************************************/	
+// Structures used by SelectCRTC_SourceTable
+/****************************************************************************/	
+typedef struct _SELECT_CRTC_SOURCE_PARAMETERS
+{
+  UCHAR ucCRTC;                    	  // ATOM_CRTC1 or ATOM_CRTC2
+  UCHAR ucDevice;                     // ATOM_DEVICE_CRT1|ATOM_DEVICE_CRT2|....
+  UCHAR ucPadding[2];
+}SELECT_CRTC_SOURCE_PARAMETERS;
 #define SELECT_CRTC_SOURCE_PS_ALLOCATION  SELECT_CRTC_SOURCE_PARAMETERS
 
-typedef struct _SELECT_CRTC_SOURCE_PARAMETERS_V2 {
-	UCHAR ucCRTC;		/*  ATOM_CRTC1 or ATOM_CRTC2 */
-	UCHAR ucEncoderID;	/*  DAC1/DAC2/TVOUT/DIG1/DIG2/DVO */
-	UCHAR ucEncodeMode;	/*  Encoding mode, only valid when using DIG1/DIG2/DVO */
-	UCHAR ucPadding;
-} SELECT_CRTC_SOURCE_PARAMETERS_V2;
-
-/* ucEncoderID */
-/* #define ASIC_INT_DAC1_ENCODER_ID                                              0x00 */
-/* #define ASIC_INT_TV_ENCODER_ID                                                                        0x02 */
-/* #define ASIC_INT_DIG1_ENCODER_ID                                                              0x03 */
-/* #define ASIC_INT_DAC2_ENCODER_ID                                                              0x04 */
-/* #define ASIC_EXT_TV_ENCODER_ID                                                                        0x06 */
-/* #define ASIC_INT_DVO_ENCODER_ID                                                                       0x07 */
-/* #define ASIC_INT_DIG2_ENCODER_ID                                                              0x09 */
-/* #define ASIC_EXT_DIG_ENCODER_ID                                                                       0x05 */
-
-/* ucEncodeMode */
-/* #define ATOM_ENCODER_MODE_DP                                                                          0 */
-/* #define ATOM_ENCODER_MODE_LVDS                                                                        1 */
-/* #define ATOM_ENCODER_MODE_DVI                                                                         2 */
-/* #define ATOM_ENCODER_MODE_HDMI                                                                        3 */
-/* #define ATOM_ENCODER_MODE_SDVO                                                                        4 */
-/* #define ATOM_ENCODER_MODE_TV                                                                          13 */
-/* #define ATOM_ENCODER_MODE_CV                                                                          14 */
-/* #define ATOM_ENCODER_MODE_CRT                                                                         15 */
-
-/****************************************************************************/
-/*  Structures used by SetPixelClockTable */
-/*                     GetPixelClockTable */
-/****************************************************************************/
-/* Major revision=1., Minor revision=1 */
-typedef struct _PIXEL_CLOCK_PARAMETERS {
-	USHORT usPixelClock;	/*  in 10kHz unit; for bios convenient = (RefClk*FB_Div)/(Ref_Div*Post_Div) */
-	/*  0 means disable PPLL */
-	USHORT usRefDiv;	/*  Reference divider */
-	USHORT usFbDiv;		/*  feedback divider */
-	UCHAR ucPostDiv;	/*  post divider */
-	UCHAR ucFracFbDiv;	/*  fractional feedback divider */
-	UCHAR ucPpll;		/*  ATOM_PPLL1 or ATOM_PPL2 */
-	UCHAR ucRefDivSrc;	/*  ATOM_PJITTER or ATO_NONPJITTER */
-	UCHAR ucCRTC;		/*  Which CRTC uses this Ppll */
-	UCHAR ucPadding;
-} PIXEL_CLOCK_PARAMETERS;
-
-/* Major revision=1., Minor revision=2, add ucMiscIfno */
-/* ucMiscInfo: */
+typedef struct _SELECT_CRTC_SOURCE_PARAMETERS_V2
+{
+  UCHAR ucCRTC;                    	  // ATOM_CRTC1 or ATOM_CRTC2
+  UCHAR ucEncoderID;                  // DAC1/DAC2/TVOUT/DIG1/DIG2/DVO
+  UCHAR ucEncodeMode;									// Encoding mode, only valid when using DIG1/DIG2/DVO
+  UCHAR ucPadding;
+}SELECT_CRTC_SOURCE_PARAMETERS_V2;
+
+//ucEncoderID
+//#define ASIC_INT_DAC1_ENCODER_ID    						0x00 
+//#define ASIC_INT_TV_ENCODER_ID									0x02
+//#define ASIC_INT_DIG1_ENCODER_ID								0x03
+//#define ASIC_INT_DAC2_ENCODER_ID								0x04
+//#define ASIC_EXT_TV_ENCODER_ID									0x06
+//#define ASIC_INT_DVO_ENCODER_ID									0x07
+//#define ASIC_INT_DIG2_ENCODER_ID								0x09
+//#define ASIC_EXT_DIG_ENCODER_ID									0x05
+
+//ucEncodeMode
+//#define ATOM_ENCODER_MODE_DP										0
+//#define ATOM_ENCODER_MODE_LVDS									1
+//#define ATOM_ENCODER_MODE_DVI										2
+//#define ATOM_ENCODER_MODE_HDMI									3
+//#define ATOM_ENCODER_MODE_SDVO									4
+//#define ATOM_ENCODER_MODE_TV										13
+//#define ATOM_ENCODER_MODE_CV										14
+//#define ATOM_ENCODER_MODE_CRT										15
+
+/****************************************************************************/	
+// Structures used by SetPixelClockTable
+//                    GetPixelClockTable 
+/****************************************************************************/	
+//Major revision=1., Minor revision=1
+typedef struct _PIXEL_CLOCK_PARAMETERS
+{
+  USHORT usPixelClock;                // in 10kHz unit; for bios convenient = (RefClk*FB_Div)/(Ref_Div*Post_Div)
+                                      // 0 means disable PPLL
+  USHORT usRefDiv;                    // Reference divider
+  USHORT usFbDiv;                     // feedback divider
+  UCHAR  ucPostDiv;                   // post divider	
+  UCHAR  ucFracFbDiv;                 // fractional feedback divider
+  UCHAR  ucPpll;                      // ATOM_PPLL1 or ATOM_PPL2
+  UCHAR  ucRefDivSrc;                 // ATOM_PJITTER or ATO_NONPJITTER
+  UCHAR  ucCRTC;                      // Which CRTC uses this Ppll
+  UCHAR  ucPadding;
+}PIXEL_CLOCK_PARAMETERS;
+
+//Major revision=1., Minor revision=2, add ucMiscIfno
+//ucMiscInfo:
 #define MISC_FORCE_REPROG_PIXEL_CLOCK 0x1
 #define MISC_DEVICE_INDEX_MASK        0xF0
 #define MISC_DEVICE_INDEX_SHIFT       4
 
-typedef struct _PIXEL_CLOCK_PARAMETERS_V2 {
-	USHORT usPixelClock;	/*  in 10kHz unit; for bios convenient = (RefClk*FB_Div)/(Ref_Div*Post_Div) */
-	/*  0 means disable PPLL */
-	USHORT usRefDiv;	/*  Reference divider */
-	USHORT usFbDiv;		/*  feedback divider */
-	UCHAR ucPostDiv;	/*  post divider */
-	UCHAR ucFracFbDiv;	/*  fractional feedback divider */
-	UCHAR ucPpll;		/*  ATOM_PPLL1 or ATOM_PPL2 */
-	UCHAR ucRefDivSrc;	/*  ATOM_PJITTER or ATO_NONPJITTER */
-	UCHAR ucCRTC;		/*  Which CRTC uses this Ppll */
-	UCHAR ucMiscInfo;	/*  Different bits for different purpose, bit [7:4] as device index, bit[0]=Force prog */
-} PIXEL_CLOCK_PARAMETERS_V2;
-
-/* Major revision=1., Minor revision=3, structure/definition change */
-/* ucEncoderMode: */
-/* ATOM_ENCODER_MODE_DP */
-/* ATOM_ENOCDER_MODE_LVDS */
-/* ATOM_ENOCDER_MODE_DVI */
-/* ATOM_ENOCDER_MODE_HDMI */
-/* ATOM_ENOCDER_MODE_SDVO */
-/* ATOM_ENCODER_MODE_TV                                                                          13 */
-/* ATOM_ENCODER_MODE_CV                                                                          14 */
-/* ATOM_ENCODER_MODE_CRT                                                                         15 */
-
-/* ucDVOConfig */
-/* #define DVO_ENCODER_CONFIG_RATE_SEL                                                   0x01 */
-/* #define DVO_ENCODER_CONFIG_DDR_SPEED                                          0x00 */
-/* #define DVO_ENCODER_CONFIG_SDR_SPEED                                          0x01 */
-/* #define DVO_ENCODER_CONFIG_OUTPUT_SEL                                         0x0c */
-/* #define DVO_ENCODER_CONFIG_LOW12BIT                                                   0x00 */
-/* #define DVO_ENCODER_CONFIG_UPPER12BIT                                         0x04 */
-/* #define DVO_ENCODER_CONFIG_24BIT                                                              0x08 */
-
-/* ucMiscInfo: also changed, see below */
+typedef struct _PIXEL_CLOCK_PARAMETERS_V2
+{
+  USHORT usPixelClock;                // in 10kHz unit; for bios convenient = (RefClk*FB_Div)/(Ref_Div*Post_Div)
+                                      // 0 means disable PPLL
+  USHORT usRefDiv;                    // Reference divider
+  USHORT usFbDiv;                     // feedback divider
+  UCHAR  ucPostDiv;                   // post divider	
+  UCHAR  ucFracFbDiv;                 // fractional feedback divider
+  UCHAR  ucPpll;                      // ATOM_PPLL1 or ATOM_PPL2
+  UCHAR  ucRefDivSrc;                 // ATOM_PJITTER or ATO_NONPJITTER
+  UCHAR  ucCRTC;                      // Which CRTC uses this Ppll
+  UCHAR  ucMiscInfo;                  // Different bits for different purpose, bit [7:4] as device index, bit[0]=Force prog
+}PIXEL_CLOCK_PARAMETERS_V2;
+
+//Major revision=1., Minor revision=3, structure/definition change
+//ucEncoderMode:
+//ATOM_ENCODER_MODE_DP
+//ATOM_ENOCDER_MODE_LVDS
+//ATOM_ENOCDER_MODE_DVI
+//ATOM_ENOCDER_MODE_HDMI
+//ATOM_ENOCDER_MODE_SDVO
+//ATOM_ENCODER_MODE_TV										13
+//ATOM_ENCODER_MODE_CV										14
+//ATOM_ENCODER_MODE_CRT										15
+
+//ucDVOConfig
+//#define DVO_ENCODER_CONFIG_RATE_SEL							0x01
+//#define DVO_ENCODER_CONFIG_DDR_SPEED						0x00
+//#define DVO_ENCODER_CONFIG_SDR_SPEED						0x01
+//#define DVO_ENCODER_CONFIG_OUTPUT_SEL						0x0c
+//#define DVO_ENCODER_CONFIG_LOW12BIT							0x00
+//#define DVO_ENCODER_CONFIG_UPPER12BIT						0x04
+//#define DVO_ENCODER_CONFIG_24BIT								0x08
+
+//ucMiscInfo: also changed, see below
 #define PIXEL_CLOCK_MISC_FORCE_PROG_PPLL						0x01
 #define PIXEL_CLOCK_MISC_VGA_MODE										0x02
 #define PIXEL_CLOCK_MISC_CRTC_SEL_MASK							0x04
 #define PIXEL_CLOCK_MISC_CRTC_SEL_CRTC1							0x00
 #define PIXEL_CLOCK_MISC_CRTC_SEL_CRTC2							0x04
 #define PIXEL_CLOCK_MISC_USE_ENGINE_FOR_DISPCLK			0x08
+#define PIXEL_CLOCK_MISC_REF_DIV_SRC                    0x10
+// V1.4 for RoadRunner
+#define PIXEL_CLOCK_V4_MISC_SS_ENABLE               0x10
+#define PIXEL_CLOCK_V4_MISC_COHERENT_MODE           0x20
 
-typedef struct _PIXEL_CLOCK_PARAMETERS_V3 {
-	USHORT usPixelClock;	/*  in 10kHz unit; for bios convenient = (RefClk*FB_Div)/(Ref_Div*Post_Div) */
-	/*  0 means disable PPLL. For VGA PPLL,make sure this value is not 0. */
-	USHORT usRefDiv;	/*  Reference divider */
-	USHORT usFbDiv;		/*  feedback divider */
-	UCHAR ucPostDiv;	/*  post divider */
-	UCHAR ucFracFbDiv;	/*  fractional feedback divider */
-	UCHAR ucPpll;		/*  ATOM_PPLL1 or ATOM_PPL2 */
-	UCHAR ucTransmitterId;	/*  graphic encoder id defined in objectId.h */
-	union {
-		UCHAR ucEncoderMode;	/*  encoder type defined as ATOM_ENCODER_MODE_DP/DVI/HDMI/ */
-		UCHAR ucDVOConfig;	/*  when use DVO, need to know SDR/DDR, 12bit or 24bit */
+typedef struct _PIXEL_CLOCK_PARAMETERS_V3
+{
+  USHORT usPixelClock;                // in 10kHz unit; for bios convenient = (RefClk*FB_Div)/(Ref_Div*Post_Div)
+                                      // 0 means disable PPLL. For VGA PPLL,make sure this value is not 0.
+  USHORT usRefDiv;                    // Reference divider
+  USHORT usFbDiv;                     // feedback divider
+  UCHAR  ucPostDiv;                   // post divider	
+  UCHAR  ucFracFbDiv;                 // fractional feedback divider
+  UCHAR  ucPpll;                      // ATOM_PPLL1 or ATOM_PPL2
+  UCHAR  ucTransmitterId;             // graphic encoder id defined in objectId.h
+	union
+	{
+  UCHAR  ucEncoderMode;               // encoder type defined as ATOM_ENCODER_MODE_DP/DVI/HDMI/
+	UCHAR  ucDVOConfig;									// when use DVO, need to know SDR/DDR, 12bit or 24bit
 	};
-	UCHAR ucMiscInfo;	/*  bit[0]=Force program, bit[1]= set pclk for VGA, b[2]= CRTC sel */
-	/*  bit[3]=0:use PPLL for dispclk source, =1: use engine clock for dispclock source */
-} PIXEL_CLOCK_PARAMETERS_V3;
+  UCHAR  ucMiscInfo;                  // bit[0]=Force program, bit[1]= set pclk for VGA, b[2]= CRTC sel
+                                      // bit[3]=0:use PPLL for dispclk source, =1: use engine clock for dispclock source
+                                      // bit[4]=0:use XTALIN as the source of reference divider,=1 use the pre-defined clock as the source of reference divider
+}PIXEL_CLOCK_PARAMETERS_V3;
 
 #define PIXEL_CLOCK_PARAMETERS_LAST			PIXEL_CLOCK_PARAMETERS_V2
 #define GET_PIXEL_CLOCK_PS_ALLOCATION		PIXEL_CLOCK_PARAMETERS_LAST
 
-/****************************************************************************/
-/*  Structures used by AdjustDisplayPllTable */
-/****************************************************************************/
-typedef struct _ADJUST_DISPLAY_PLL_PARAMETERS {
+typedef struct _PIXEL_CLOCK_PARAMETERS_V5
+{
+  UCHAR  ucCRTC;             // ATOM_CRTC1~6, indicate the CRTC controller to 
+                             // drive the pixel clock. not used for DCPLL case.
+  union{
+  UCHAR  ucReserved;
+  UCHAR  ucFracFbDiv;        // [gphan] temporary to prevent build problem.  remove it after driver code is changed.
+  };
+  USHORT usPixelClock;       // target the pixel clock to drive the CRTC timing
+                             // 0 means disable PPLL/DCPLL. 
+  USHORT usFbDiv;            // feedback divider integer part. 
+  UCHAR  ucPostDiv;          // post divider. 
+  UCHAR  ucRefDiv;           // Reference divider
+  UCHAR  ucPpll;             // ATOM_PPLL1/ATOM_PPLL2/ATOM_DCPLL
+  UCHAR  ucTransmitterID;    // ASIC encoder id defined in objectId.h, 
+                             // indicate which graphic encoder will be used. 
+  UCHAR  ucEncoderMode;      // Encoder mode: 
+  UCHAR  ucMiscInfo;         // bit[0]= Force program PPLL 
+                             // bit[1]= when VGA timing is used. 
+                             // bit[3:2]= HDMI panel bit depth: =0: 24bpp =1:30bpp, =2:32bpp
+                             // bit[4]= RefClock source for PPLL. 
+                             // =0: XTLAIN( default mode )
+	                           // =1: other external clock source, which is pre-defined
+                             //     by VBIOS depend on the feature required.
+                             // bit[7:5]: reserved.
+  ULONG  ulFbDivDecFrac;     // 20 bit feedback divider decimal fraction part, range from 1~999999 ( 0.000001 to 0.999999 )
+
+}PIXEL_CLOCK_PARAMETERS_V5;
+
+#define PIXEL_CLOCK_V5_MISC_FORCE_PROG_PPLL					0x01
+#define PIXEL_CLOCK_V5_MISC_VGA_MODE								0x02
+#define PIXEL_CLOCK_V5_MISC_HDMI_BPP_MASK           0x0c
+#define PIXEL_CLOCK_V5_MISC_HDMI_24BPP              0x00
+#define PIXEL_CLOCK_V5_MISC_HDMI_30BPP              0x04
+#define PIXEL_CLOCK_V5_MISC_HDMI_32BPP              0x08
+#define PIXEL_CLOCK_V5_MISC_REF_DIV_SRC             0x10
+
+typedef struct _GET_DISP_PLL_STATUS_INPUT_PARAMETERS_V2
+{
+  PIXEL_CLOCK_PARAMETERS_V3 sDispClkInput;
+}GET_DISP_PLL_STATUS_INPUT_PARAMETERS_V2;
+
+typedef struct _GET_DISP_PLL_STATUS_OUTPUT_PARAMETERS_V2
+{
+  UCHAR  ucStatus;
+  UCHAR  ucRefDivSrc;                 // =1: reference clock source from XTALIN, =0: source from PCIE ref clock
+  UCHAR  ucReserved[2];
+}GET_DISP_PLL_STATUS_OUTPUT_PARAMETERS_V2;
+
+typedef struct _GET_DISP_PLL_STATUS_INPUT_PARAMETERS_V3
+{
+  PIXEL_CLOCK_PARAMETERS_V5 sDispClkInput;
+}GET_DISP_PLL_STATUS_INPUT_PARAMETERS_V3;
+
+/****************************************************************************/	
+// Structures used by AdjustDisplayPllTable
+/****************************************************************************/	
+typedef struct _ADJUST_DISPLAY_PLL_PARAMETERS
+{
 	USHORT usPixelClock;
 	UCHAR ucTransmitterID;
 	UCHAR ucEncodeMode;
-	union {
-		UCHAR ucDVOConfig;	/* if DVO, need passing link rate and output 12bitlow or 24bit */
-		UCHAR ucConfig;	/* if none DVO, not defined yet */
+	union
+	{
+		UCHAR ucDVOConfig;									//if DVO, need passing link rate and output 12bitlow or 24bit
+		UCHAR ucConfig;											//if none DVO, not defined yet
 	};
 	UCHAR ucReserved[3];
-} ADJUST_DISPLAY_PLL_PARAMETERS;
+}ADJUST_DISPLAY_PLL_PARAMETERS;
 
 #define ADJUST_DISPLAY_CONFIG_SS_ENABLE       0x10
-
 #define ADJUST_DISPLAY_PLL_PS_ALLOCATION			ADJUST_DISPLAY_PLL_PARAMETERS
 
-/****************************************************************************/
-/*  Structures used by EnableYUVTable */
-/****************************************************************************/
-typedef struct _ENABLE_YUV_PARAMETERS {
-	UCHAR ucEnable;		/*  ATOM_ENABLE:Enable YUV or ATOM_DISABLE:Disable YUV (RGB) */
-	UCHAR ucCRTC;		/*  Which CRTC needs this YUV or RGB format */
-	UCHAR ucPadding[2];
-} ENABLE_YUV_PARAMETERS;
+typedef struct _ADJUST_DISPLAY_PLL_INPUT_PARAMETERS_V3
+{
+	USHORT usPixelClock;                    // target pixel clock
+	UCHAR ucTransmitterID;                  // transmitter id defined in objectid.h
+	UCHAR ucEncodeMode;                     // encoder mode: CRT, LVDS, DP, TMDS or HDMI
+  UCHAR ucDispPllConfig;                 // display pll configure parameter defined as following DISPPLL_CONFIG_XXXX
+	UCHAR ucReserved[3];
+}ADJUST_DISPLAY_PLL_INPUT_PARAMETERS_V3;
+
+// usDispPllConfig v1.2 for RoadRunner
+#define DISPPLL_CONFIG_DVO_RATE_SEL                0x0001     // need only when ucTransmitterID = DVO
+#define DISPPLL_CONFIG_DVO_DDR_SPEED               0x0000     // need only when ucTransmitterID = DVO
+#define DISPPLL_CONFIG_DVO_SDR_SPEED               0x0001     // need only when ucTransmitterID = DVO
+#define DISPPLL_CONFIG_DVO_OUTPUT_SEL              0x000c     // need only when ucTransmitterID = DVO
+#define DISPPLL_CONFIG_DVO_LOW12BIT                0x0000     // need only when ucTransmitterID = DVO
+#define DISPPLL_CONFIG_DVO_UPPER12BIT              0x0004     // need only when ucTransmitterID = DVO
+#define DISPPLL_CONFIG_DVO_24BIT                   0x0008     // need only when ucTransmitterID = DVO
+#define DISPPLL_CONFIG_SS_ENABLE                   0x0010     // Only used when ucEncoderMode = DP or LVDS
+#define DISPPLL_CONFIG_COHERENT_MODE               0x0020     // Only used when ucEncoderMode = TMDS or HDMI
+#define DISPPLL_CONFIG_DUAL_LINK                   0x0040     // Only used when ucEncoderMode = TMDS or LVDS
+
+
+typedef struct _ADJUST_DISPLAY_PLL_OUTPUT_PARAMETERS_V3
+{
+  ULONG ulDispPllFreq;                 // return display PPLL freq which is used to generate the pixclock, and related idclk, symclk etc
+  UCHAR ucRefDiv;                      // if it is none-zero, it is used to be calculated the other ppll parameter fb_divider and post_div ( if it is not given )
+  UCHAR ucPostDiv;                     // if it is none-zero, it is used to be calculated the other ppll parameter fb_divider
+  UCHAR ucReserved[2];  
+}ADJUST_DISPLAY_PLL_OUTPUT_PARAMETERS_V3;
+
+typedef struct _ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3
+{
+  union 
+  {
+    ADJUST_DISPLAY_PLL_INPUT_PARAMETERS_V3  sInput;
+    ADJUST_DISPLAY_PLL_OUTPUT_PARAMETERS_V3 sOutput;
+  };
+} ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3;
+
+/****************************************************************************/	
+// Structures used by EnableYUVTable
+/****************************************************************************/	
+typedef struct _ENABLE_YUV_PARAMETERS
+{
+  UCHAR ucEnable;                     // ATOM_ENABLE:Enable YUV or ATOM_DISABLE:Disable YUV (RGB)
+  UCHAR ucCRTC;                       // Which CRTC needs this YUV or RGB format
+  UCHAR ucPadding[2];
+}ENABLE_YUV_PARAMETERS;
 #define ENABLE_YUV_PS_ALLOCATION ENABLE_YUV_PARAMETERS
 
-/****************************************************************************/
-/*  Structures used by GetMemoryClockTable */
-/****************************************************************************/
-typedef struct _GET_MEMORY_CLOCK_PARAMETERS {
-	ULONG ulReturnMemoryClock;	/*  current memory speed in 10KHz unit */
+/****************************************************************************/	
+// Structures used by GetMemoryClockTable
+/****************************************************************************/	
+typedef struct _GET_MEMORY_CLOCK_PARAMETERS
+{
+  ULONG ulReturnMemoryClock;          // current memory speed in 10KHz unit
 } GET_MEMORY_CLOCK_PARAMETERS;
 #define GET_MEMORY_CLOCK_PS_ALLOCATION  GET_MEMORY_CLOCK_PARAMETERS
 
-/****************************************************************************/
-/*  Structures used by GetEngineClockTable */
-/****************************************************************************/
-typedef struct _GET_ENGINE_CLOCK_PARAMETERS {
-	ULONG ulReturnEngineClock;	/*  current engine speed in 10KHz unit */
+/****************************************************************************/	
+// Structures used by GetEngineClockTable
+/****************************************************************************/	
+typedef struct _GET_ENGINE_CLOCK_PARAMETERS
+{
+  ULONG ulReturnEngineClock;          // current engine speed in 10KHz unit
 } GET_ENGINE_CLOCK_PARAMETERS;
 #define GET_ENGINE_CLOCK_PS_ALLOCATION  GET_ENGINE_CLOCK_PARAMETERS
 
-/****************************************************************************/
-/*  Following Structures and constant may be obsolete */
-/****************************************************************************/
-/* Maxium 8 bytes,the data read in will be placed in the parameter space. */
-/* Read operaion successeful when the paramter space is non-zero, otherwise read operation failed */
-typedef struct _READ_EDID_FROM_HW_I2C_DATA_PARAMETERS {
-	USHORT usPrescale;	/* Ratio between Engine clock and I2C clock */
-	USHORT usVRAMAddress;	/* Adress in Frame Buffer where to pace raw EDID */
-	USHORT usStatus;	/* When use output: lower byte EDID checksum, high byte hardware status */
-	/* WHen use input:  lower byte as 'byte to read':currently limited to 128byte or 1byte */
-	UCHAR ucSlaveAddr;	/* Read from which slave */
-	UCHAR ucLineNumber;	/* Read from which HW assisted line */
-} READ_EDID_FROM_HW_I2C_DATA_PARAMETERS;
+/****************************************************************************/	
+// Following Structures and constant may be obsolete
+/****************************************************************************/	
+//Maxium 8 bytes,the data read in will be placed in the parameter space.
+//Read operaion successeful when the paramter space is non-zero, otherwise read operation failed
+typedef struct _READ_EDID_FROM_HW_I2C_DATA_PARAMETERS
+{
+  USHORT    usPrescale;         //Ratio between Engine clock and I2C clock
+  USHORT    usVRAMAddress;      //Adress in Frame Buffer where to pace raw EDID
+  USHORT    usStatus;           //When use output: lower byte EDID checksum, high byte hardware status
+                                //WHen use input:  lower byte as 'byte to read':currently limited to 128byte or 1byte
+  UCHAR     ucSlaveAddr;        //Read from which slave
+  UCHAR     ucLineNumber;       //Read from which HW assisted line
+}READ_EDID_FROM_HW_I2C_DATA_PARAMETERS;
 #define READ_EDID_FROM_HW_I2C_DATA_PS_ALLOCATION  READ_EDID_FROM_HW_I2C_DATA_PARAMETERS
 
+
 #define  ATOM_WRITE_I2C_FORMAT_PSOFFSET_PSDATABYTE                  0
 #define  ATOM_WRITE_I2C_FORMAT_PSOFFSET_PSTWODATABYTES              1
 #define  ATOM_WRITE_I2C_FORMAT_PSCOUNTER_PSOFFSET_IDDATABLOCK       2
 #define  ATOM_WRITE_I2C_FORMAT_PSCOUNTER_IDOFFSET_PLUS_IDDATABLOCK  3
 #define  ATOM_WRITE_I2C_FORMAT_IDCOUNTER_IDOFFSET_IDDATABLOCK       4
 
-typedef struct _WRITE_ONE_BYTE_HW_I2C_DATA_PARAMETERS {
-	USHORT usPrescale;	/* Ratio between Engine clock and I2C clock */
-	USHORT usByteOffset;	/* Write to which byte */
-	/* Upper portion of usByteOffset is Format of data */
-	/* 1bytePS+offsetPS */
-	/* 2bytesPS+offsetPS */
-	/* blockID+offsetPS */
-	/* blockID+offsetID */
-	/* blockID+counterID+offsetID */
-	UCHAR ucData;		/* PS data1 */
-	UCHAR ucStatus;		/* Status byte 1=success, 2=failure, Also is used as PS data2 */
-	UCHAR ucSlaveAddr;	/* Write to which slave */
-	UCHAR ucLineNumber;	/* Write from which HW assisted line */
-} WRITE_ONE_BYTE_HW_I2C_DATA_PARAMETERS;
+typedef struct _WRITE_ONE_BYTE_HW_I2C_DATA_PARAMETERS
+{
+  USHORT    usPrescale;         //Ratio between Engine clock and I2C clock
+  USHORT    usByteOffset;       //Write to which byte
+                                //Upper portion of usByteOffset is Format of data 
+                                //1bytePS+offsetPS
+                                //2bytesPS+offsetPS
+                                //blockID+offsetPS
+                                //blockID+offsetID
+                                //blockID+counterID+offsetID
+  UCHAR     ucData;             //PS data1
+  UCHAR     ucStatus;           //Status byte 1=success, 2=failure, Also is used as PS data2
+  UCHAR     ucSlaveAddr;        //Write to which slave
+  UCHAR     ucLineNumber;       //Write from which HW assisted line
+}WRITE_ONE_BYTE_HW_I2C_DATA_PARAMETERS;
 
 #define WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION  WRITE_ONE_BYTE_HW_I2C_DATA_PARAMETERS
 
-typedef struct _SET_UP_HW_I2C_DATA_PARAMETERS {
-	USHORT usPrescale;	/* Ratio between Engine clock and I2C clock */
-	UCHAR ucSlaveAddr;	/* Write to which slave */
-	UCHAR ucLineNumber;	/* Write from which HW assisted line */
-} SET_UP_HW_I2C_DATA_PARAMETERS;
+typedef struct _SET_UP_HW_I2C_DATA_PARAMETERS
+{
+  USHORT    usPrescale;         //Ratio between Engine clock and I2C clock
+  UCHAR     ucSlaveAddr;        //Write to which slave
+  UCHAR     ucLineNumber;       //Write from which HW assisted line
+}SET_UP_HW_I2C_DATA_PARAMETERS;
+
 
 /**************************************************************************/
 #define SPEED_FAN_CONTROL_PS_ALLOCATION   WRITE_ONE_BYTE_HW_I2C_DATA_PARAMETERS
 
-/****************************************************************************/
-/*  Structures used by PowerConnectorDetectionTable */
-/****************************************************************************/
-typedef struct _POWER_CONNECTOR_DETECTION_PARAMETERS {
-	UCHAR ucPowerConnectorStatus;	/* Used for return value 0: detected, 1:not detected */
-	UCHAR ucPwrBehaviorId;
-	USHORT usPwrBudget;	/* how much power currently boot to in unit of watt */
-} POWER_CONNECTOR_DETECTION_PARAMETERS;
-
-typedef struct POWER_CONNECTOR_DETECTION_PS_ALLOCATION {
-	UCHAR ucPowerConnectorStatus;	/* Used for return value 0: detected, 1:not detected */
-	UCHAR ucReserved;
-	USHORT usPwrBudget;	/* how much power currently boot to in unit of watt */
-	WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION sReserved;
-} POWER_CONNECTOR_DETECTION_PS_ALLOCATION;
+/****************************************************************************/	
+// Structures used by PowerConnectorDetectionTable
+/****************************************************************************/	
+typedef struct	_POWER_CONNECTOR_DETECTION_PARAMETERS
+{
+  UCHAR   ucPowerConnectorStatus;      //Used for return value 0: detected, 1:not detected
+	UCHAR   ucPwrBehaviorId;							
+	USHORT	usPwrBudget;								 //how much power currently boot to in unit of watt
+}POWER_CONNECTOR_DETECTION_PARAMETERS;
+
+typedef struct POWER_CONNECTOR_DETECTION_PS_ALLOCATION
+{                               
+  UCHAR   ucPowerConnectorStatus;      //Used for return value 0: detected, 1:not detected
+	UCHAR   ucReserved;
+	USHORT	usPwrBudget;								 //how much power currently boot to in unit of watt
+  WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION    sReserved;
+}POWER_CONNECTOR_DETECTION_PS_ALLOCATION;
 
 /****************************LVDS SS Command Table Definitions**********************/
 
-/****************************************************************************/
-/*  Structures used by EnableSpreadSpectrumOnPPLLTable */
-/****************************************************************************/
-typedef struct _ENABLE_LVDS_SS_PARAMETERS {
-	USHORT usSpreadSpectrumPercentage;
-	UCHAR ucSpreadSpectrumType;	/* Bit1=0 Down Spread,=1 Center Spread. Bit1=1 Ext. =0 Int. Others:TBD */
-	UCHAR ucSpreadSpectrumStepSize_Delay;	/* bits3:2 SS_STEP_SIZE; bit 6:4 SS_DELAY */
-	UCHAR ucEnable;		/* ATOM_ENABLE or ATOM_DISABLE */
-	UCHAR ucPadding[3];
-} ENABLE_LVDS_SS_PARAMETERS;
-
-/* ucTableFormatRevision=1,ucTableContentRevision=2 */
-typedef struct _ENABLE_LVDS_SS_PARAMETERS_V2 {
-	USHORT usSpreadSpectrumPercentage;
-	UCHAR ucSpreadSpectrumType;	/* Bit1=0 Down Spread,=1 Center Spread. Bit1=1 Ext. =0 Int. Others:TBD */
-	UCHAR ucSpreadSpectrumStep;	/*  */
-	UCHAR ucEnable;		/* ATOM_ENABLE or ATOM_DISABLE */
-	UCHAR ucSpreadSpectrumDelay;
-	UCHAR ucSpreadSpectrumRange;
-	UCHAR ucPadding;
-} ENABLE_LVDS_SS_PARAMETERS_V2;
-
-/* This new structure is based on ENABLE_LVDS_SS_PARAMETERS but expands to SS on PPLL, so other devices can use SS. */
-typedef struct _ENABLE_SPREAD_SPECTRUM_ON_PPLL {
-	USHORT usSpreadSpectrumPercentage;
-	UCHAR ucSpreadSpectrumType;	/*  Bit1=0 Down Spread,=1 Center Spread. Bit1=1 Ext. =0 Int. Others:TBD */
-	UCHAR ucSpreadSpectrumStep;	/*  */
-	UCHAR ucEnable;		/*  ATOM_ENABLE or ATOM_DISABLE */
-	UCHAR ucSpreadSpectrumDelay;
-	UCHAR ucSpreadSpectrumRange;
-	UCHAR ucPpll;		/*  ATOM_PPLL1/ATOM_PPLL2 */
-} ENABLE_SPREAD_SPECTRUM_ON_PPLL;
+/****************************************************************************/	
+// Structures used by EnableSpreadSpectrumOnPPLLTable
+/****************************************************************************/	
+typedef struct	_ENABLE_LVDS_SS_PARAMETERS
+{
+  USHORT  usSpreadSpectrumPercentage;       
+  UCHAR   ucSpreadSpectrumType;           //Bit1=0 Down Spread,=1 Center Spread. Bit1=1 Ext. =0 Int. Others:TBD
+  UCHAR   ucSpreadSpectrumStepSize_Delay; //bits3:2 SS_STEP_SIZE; bit 6:4 SS_DELAY
+  UCHAR   ucEnable;                       //ATOM_ENABLE or ATOM_DISABLE
+  UCHAR   ucPadding[3];
+}ENABLE_LVDS_SS_PARAMETERS;
+
+//ucTableFormatRevision=1,ucTableContentRevision=2
+typedef struct	_ENABLE_LVDS_SS_PARAMETERS_V2
+{
+  USHORT  usSpreadSpectrumPercentage;       
+  UCHAR   ucSpreadSpectrumType;           //Bit1=0 Down Spread,=1 Center Spread. Bit1=1 Ext. =0 Int. Others:TBD
+  UCHAR   ucSpreadSpectrumStep;           //
+  UCHAR   ucEnable;                       //ATOM_ENABLE or ATOM_DISABLE
+  UCHAR   ucSpreadSpectrumDelay;
+  UCHAR   ucSpreadSpectrumRange;
+  UCHAR   ucPadding;
+}ENABLE_LVDS_SS_PARAMETERS_V2;
+
+//This new structure is based on ENABLE_LVDS_SS_PARAMETERS but expands to SS on PPLL, so other devices can use SS.
+typedef struct	_ENABLE_SPREAD_SPECTRUM_ON_PPLL
+{
+  USHORT  usSpreadSpectrumPercentage;
+  UCHAR   ucSpreadSpectrumType;           // Bit1=0 Down Spread,=1 Center Spread. Bit1=1 Ext. =0 Int. Others:TBD
+  UCHAR   ucSpreadSpectrumStep;           //
+  UCHAR   ucEnable;                       // ATOM_ENABLE or ATOM_DISABLE
+  UCHAR   ucSpreadSpectrumDelay;
+  UCHAR   ucSpreadSpectrumRange;
+  UCHAR   ucPpll;												  // ATOM_PPLL1/ATOM_PPLL2
+}ENABLE_SPREAD_SPECTRUM_ON_PPLL;
+
+typedef struct _ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2
+{
+  USHORT  usSpreadSpectrumPercentage;
+  UCHAR   ucSpreadSpectrumType;	        // Bit[0]: 0-Down Spread,1-Center Spread. 
+                                        // Bit[1]: 1-Ext. 0-Int. 
+                                        // Bit[3:2]: =0 P1PLL =1 P2PLL =2 DCPLL
+                                        // Bits[7:4] reserved
+  UCHAR   ucEnable;	                    // ATOM_ENABLE or ATOM_DISABLE
+  USHORT  usSpreadSpectrumAmount;      	// Includes SS_AMOUNT_FBDIV[7:0] and SS_AMOUNT_NFRAC_SLIP[11:8]    
+  USHORT  usSpreadSpectrumStep;	        // SS_STEP_SIZE_DSFRAC
+}ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2;
+
+#define ATOM_PPLL_SS_TYPE_V2_DOWN_SPREAD      0x00
+#define ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD    0x01
+#define ATOM_PPLL_SS_TYPE_V2_EXT_SPREAD       0x02
+#define ATOM_PPLL_SS_TYPE_V2_PPLL_SEL_MASK    0x0c
+#define ATOM_PPLL_SS_TYPE_V2_P1PLL            0x00
+#define ATOM_PPLL_SS_TYPE_V2_P2PLL            0x04
+#define ATOM_PPLL_SS_TYPE_V2_DCPLL            0x08
+#define ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK     0x00FF
+#define ATOM_PPLL_SS_AMOUNT_V2_FBDIV_SHIFT    0
+#define ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK     0x0F00
+#define ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT    8
 
 #define ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION  ENABLE_SPREAD_SPECTRUM_ON_PPLL
 
 /**************************************************************************/
 
-typedef struct _SET_PIXEL_CLOCK_PS_ALLOCATION {
-	PIXEL_CLOCK_PARAMETERS sPCLKInput;
-	ENABLE_SPREAD_SPECTRUM_ON_PPLL sReserved;	/* Caller doesn't need to init this portion */
-} SET_PIXEL_CLOCK_PS_ALLOCATION;
+typedef struct _SET_PIXEL_CLOCK_PS_ALLOCATION
+{
+  PIXEL_CLOCK_PARAMETERS sPCLKInput;
+  ENABLE_SPREAD_SPECTRUM_ON_PPLL sReserved;//Caller doesn't need to init this portion 
+}SET_PIXEL_CLOCK_PS_ALLOCATION;
 
 #define ENABLE_VGA_RENDER_PS_ALLOCATION   SET_PIXEL_CLOCK_PS_ALLOCATION
 
-/****************************************************************************/
-/*  Structures used by ### */
-/****************************************************************************/
-typedef struct _MEMORY_TRAINING_PARAMETERS {
-	ULONG ulTargetMemoryClock;	/* In 10Khz unit */
-} MEMORY_TRAINING_PARAMETERS;
+/****************************************************************************/	
+// Structures used by ###
+/****************************************************************************/	
+typedef struct	_MEMORY_TRAINING_PARAMETERS
+{
+  ULONG ulTargetMemoryClock;          //In 10Khz unit
+}MEMORY_TRAINING_PARAMETERS;
 #define MEMORY_TRAINING_PS_ALLOCATION MEMORY_TRAINING_PARAMETERS
 
+
 /****************************LVDS and other encoder command table definitions **********************/
 
-/****************************************************************************/
-/*  Structures used by LVDSEncoderControlTable   (Before DCE30) */
-/*                     LVTMAEncoderControlTable  (Before DCE30) */
-/*                     TMDSAEncoderControlTable  (Before DCE30) */
-/****************************************************************************/
-typedef struct _LVDS_ENCODER_CONTROL_PARAMETERS {
-	USHORT usPixelClock;	/*  in 10KHz; for bios convenient */
-	UCHAR ucMisc;		/*  bit0=0: Enable single link */
-	/*      =1: Enable dual link */
-	/*  Bit1=0: 666RGB */
-	/*      =1: 888RGB */
-	UCHAR ucAction;		/*  0: turn off encoder */
-	/*  1: setup and turn on encoder */
-} LVDS_ENCODER_CONTROL_PARAMETERS;
 
-#define LVDS_ENCODER_CONTROL_PS_ALLOCATION  LVDS_ENCODER_CONTROL_PARAMETERS
+/****************************************************************************/	
+// Structures used by LVDSEncoderControlTable   (Before DCE30)
+//                    LVTMAEncoderControlTable  (Before DCE30)
+//                    TMDSAEncoderControlTable  (Before DCE30)
+/****************************************************************************/	
+typedef struct _LVDS_ENCODER_CONTROL_PARAMETERS
+{
+  USHORT usPixelClock;  // in 10KHz; for bios convenient
+  UCHAR  ucMisc;        // bit0=0: Enable single link
+                        //     =1: Enable dual link
+                        // Bit1=0: 666RGB
+                        //     =1: 888RGB
+  UCHAR  ucAction;      // 0: turn off encoder
+                        // 1: setup and turn on encoder
+}LVDS_ENCODER_CONTROL_PARAMETERS;
 
+#define LVDS_ENCODER_CONTROL_PS_ALLOCATION  LVDS_ENCODER_CONTROL_PARAMETERS
+   
 #define TMDS1_ENCODER_CONTROL_PARAMETERS    LVDS_ENCODER_CONTROL_PARAMETERS
 #define TMDS1_ENCODER_CONTROL_PS_ALLOCATION TMDS1_ENCODER_CONTROL_PARAMETERS
 
 #define TMDS2_ENCODER_CONTROL_PARAMETERS    TMDS1_ENCODER_CONTROL_PARAMETERS
 #define TMDS2_ENCODER_CONTROL_PS_ALLOCATION TMDS2_ENCODER_CONTROL_PARAMETERS
 
-/* ucTableFormatRevision=1,ucTableContentRevision=2 */
-typedef struct _LVDS_ENCODER_CONTROL_PARAMETERS_V2 {
-	USHORT usPixelClock;	/*  in 10KHz; for bios convenient */
-	UCHAR ucMisc;		/*  see PANEL_ENCODER_MISC_xx definitions below */
-	UCHAR ucAction;		/*  0: turn off encoder */
-	/*  1: setup and turn on encoder */
-	UCHAR ucTruncate;	/*  bit0=0: Disable truncate */
-	/*      =1: Enable truncate */
-	/*  bit4=0: 666RGB */
-	/*      =1: 888RGB */
-	UCHAR ucSpatial;	/*  bit0=0: Disable spatial dithering */
-	/*      =1: Enable spatial dithering */
-	/*  bit4=0: 666RGB */
-	/*      =1: 888RGB */
-	UCHAR ucTemporal;	/*  bit0=0: Disable temporal dithering */
-	/*      =1: Enable temporal dithering */
-	/*  bit4=0: 666RGB */
-	/*      =1: 888RGB */
-	/*  bit5=0: Gray level 2 */
-	/*      =1: Gray level 4 */
-	UCHAR ucFRC;		/*  bit4=0: 25FRC_SEL pattern E */
-	/*      =1: 25FRC_SEL pattern F */
-	/*  bit6:5=0: 50FRC_SEL pattern A */
-	/*        =1: 50FRC_SEL pattern B */
-	/*        =2: 50FRC_SEL pattern C */
-	/*        =3: 50FRC_SEL pattern D */
-	/*  bit7=0: 75FRC_SEL pattern E */
-	/*      =1: 75FRC_SEL pattern F */
-} LVDS_ENCODER_CONTROL_PARAMETERS_V2;
 
-#define LVDS_ENCODER_CONTROL_PS_ALLOCATION_V2  LVDS_ENCODER_CONTROL_PARAMETERS_V2
+//ucTableFormatRevision=1,ucTableContentRevision=2
+typedef struct _LVDS_ENCODER_CONTROL_PARAMETERS_V2
+{
+  USHORT usPixelClock;  // in 10KHz; for bios convenient
+  UCHAR  ucMisc;        // see PANEL_ENCODER_MISC_xx defintions below
+  UCHAR  ucAction;      // 0: turn off encoder
+                        // 1: setup and turn on encoder
+  UCHAR  ucTruncate;    // bit0=0: Disable truncate
+                        //     =1: Enable truncate
+                        // bit4=0: 666RGB
+                        //     =1: 888RGB
+  UCHAR  ucSpatial;     // bit0=0: Disable spatial dithering
+                        //     =1: Enable spatial dithering
+                        // bit4=0: 666RGB
+                        //     =1: 888RGB
+  UCHAR  ucTemporal;    // bit0=0: Disable temporal dithering
+                        //     =1: Enable temporal dithering
+                        // bit4=0: 666RGB
+                        //     =1: 888RGB
+                        // bit5=0: Gray level 2
+                        //     =1: Gray level 4
+  UCHAR  ucFRC;         // bit4=0: 25FRC_SEL pattern E
+                        //     =1: 25FRC_SEL pattern F
+                        // bit6:5=0: 50FRC_SEL pattern A
+                        //       =1: 50FRC_SEL pattern B
+                        //       =2: 50FRC_SEL pattern C
+                        //       =3: 50FRC_SEL pattern D
+                        // bit7=0: 75FRC_SEL pattern E
+                        //     =1: 75FRC_SEL pattern F
+}LVDS_ENCODER_CONTROL_PARAMETERS_V2;
 
+#define LVDS_ENCODER_CONTROL_PS_ALLOCATION_V2  LVDS_ENCODER_CONTROL_PARAMETERS_V2
+   
 #define TMDS1_ENCODER_CONTROL_PARAMETERS_V2    LVDS_ENCODER_CONTROL_PARAMETERS_V2
 #define TMDS1_ENCODER_CONTROL_PS_ALLOCATION_V2 TMDS1_ENCODER_CONTROL_PARAMETERS_V2
-
+  
 #define TMDS2_ENCODER_CONTROL_PARAMETERS_V2    TMDS1_ENCODER_CONTROL_PARAMETERS_V2
 #define TMDS2_ENCODER_CONTROL_PS_ALLOCATION_V2 TMDS2_ENCODER_CONTROL_PARAMETERS_V2
 
@@ -1185,38 +1536,42 @@ typedef struct _LVDS_ENCODER_CONTROL_PARAMETERS_V2 {
 #define TMDS2_ENCODER_CONTROL_PARAMETERS_V3    LVDS_ENCODER_CONTROL_PARAMETERS_V3
 #define TMDS2_ENCODER_CONTROL_PS_ALLOCATION_V3 TMDS2_ENCODER_CONTROL_PARAMETERS_V3
 
-/****************************************************************************/
-/*  Structures used by ### */
-/****************************************************************************/
-typedef struct _ENABLE_EXTERNAL_TMDS_ENCODER_PARAMETERS {
-	UCHAR ucEnable;		/*  Enable or Disable External TMDS encoder */
-	UCHAR ucMisc;		/*  Bit0=0:Enable Single link;=1:Enable Dual link;Bit1 {=0:666RGB, =1:888RGB} */
-	UCHAR ucPadding[2];
-} ENABLE_EXTERNAL_TMDS_ENCODER_PARAMETERS;
-
-typedef struct _ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION {
-	ENABLE_EXTERNAL_TMDS_ENCODER_PARAMETERS sXTmdsEncoder;
-	WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION sReserved;	/* Caller doesn't need to init this portion */
-} ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION;
+/****************************************************************************/	
+// Structures used by ###
+/****************************************************************************/	
+typedef struct _ENABLE_EXTERNAL_TMDS_ENCODER_PARAMETERS
+{                               
+  UCHAR    ucEnable;            // Enable or Disable External TMDS encoder
+  UCHAR    ucMisc;              // Bit0=0:Enable Single link;=1:Enable Dual link;Bit1 {=0:666RGB, =1:888RGB}
+  UCHAR    ucPadding[2];
+}ENABLE_EXTERNAL_TMDS_ENCODER_PARAMETERS;
+
+typedef struct _ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION
+{                               
+  ENABLE_EXTERNAL_TMDS_ENCODER_PARAMETERS    sXTmdsEncoder;
+  WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION   sReserved;     //Caller doesn't need to init this portion
+}ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION;
 
 #define ENABLE_EXTERNAL_TMDS_ENCODER_PARAMETERS_V2  LVDS_ENCODER_CONTROL_PARAMETERS_V2
 
-typedef struct _ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION_V2 {
-	ENABLE_EXTERNAL_TMDS_ENCODER_PARAMETERS_V2 sXTmdsEncoder;
-	WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION sReserved;	/* Caller doesn't need to init this portion */
-} ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION_V2;
+typedef struct _ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION_V2
+{                               
+  ENABLE_EXTERNAL_TMDS_ENCODER_PARAMETERS_V2    sXTmdsEncoder;
+  WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION      sReserved;     //Caller doesn't need to init this portion
+}ENABLE_EXTERNAL_TMDS_ENCODER_PS_ALLOCATION_V2;
 
-typedef struct _EXTERNAL_ENCODER_CONTROL_PS_ALLOCATION {
-	DIG_ENCODER_CONTROL_PARAMETERS sDigEncoder;
-	WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION sReserved;
-} EXTERNAL_ENCODER_CONTROL_PS_ALLOCATION;
+typedef struct _EXTERNAL_ENCODER_CONTROL_PS_ALLOCATION
+{
+  DIG_ENCODER_CONTROL_PARAMETERS            sDigEncoder;
+  WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION sReserved;
+}EXTERNAL_ENCODER_CONTROL_PS_ALLOCATION;
 
-/****************************************************************************/
-/*  Structures used by DVOEncoderControlTable */
-/****************************************************************************/
-/* ucTableFormatRevision=1,ucTableContentRevision=3 */
+/****************************************************************************/	
+// Structures used by DVOEncoderControlTable
+/****************************************************************************/	
+//ucTableFormatRevision=1,ucTableContentRevision=3
 
-/* ucDVOConfig: */
+//ucDVOConfig:
 #define DVO_ENCODER_CONFIG_RATE_SEL							0x01
 #define DVO_ENCODER_CONFIG_DDR_SPEED						0x00
 #define DVO_ENCODER_CONFIG_SDR_SPEED						0x01
@@ -1225,21 +1580,22 @@ typedef struct _EXTERNAL_ENCODER_CONTROL_PS_ALLOCATION {
 #define DVO_ENCODER_CONFIG_UPPER12BIT						0x04
 #define DVO_ENCODER_CONFIG_24BIT								0x08
 
-typedef struct _DVO_ENCODER_CONTROL_PARAMETERS_V3 {
-	USHORT usPixelClock;
-	UCHAR ucDVOConfig;
-	UCHAR ucAction;		/* ATOM_ENABLE/ATOM_DISABLE/ATOM_HPD_INIT */
-	UCHAR ucReseved[4];
-} DVO_ENCODER_CONTROL_PARAMETERS_V3;
+typedef struct _DVO_ENCODER_CONTROL_PARAMETERS_V3
+{
+  USHORT usPixelClock; 
+  UCHAR  ucDVOConfig;
+  UCHAR  ucAction;														//ATOM_ENABLE/ATOM_DISABLE/ATOM_HPD_INIT
+  UCHAR  ucReseved[4];
+}DVO_ENCODER_CONTROL_PARAMETERS_V3;
 #define DVO_ENCODER_CONTROL_PS_ALLOCATION_V3	DVO_ENCODER_CONTROL_PARAMETERS_V3
 
-/* ucTableFormatRevision=1 */
-/* ucTableContentRevision=3 structure is not changed but usMisc add bit 1 as another input for */
-/*  bit1=0: non-coherent mode */
-/*      =1: coherent mode */
+//ucTableFormatRevision=1
+//ucTableContentRevision=3 structure is not changed but usMisc add bit 1 as another input for 
+// bit1=0: non-coherent mode
+//     =1: coherent mode
 
-/* ========================================================================================== */
-/* Only change is here next time when changing encoder parameter definitions again! */
+//==========================================================================================
+//Only change is here next time when changing encoder parameter definitions again!
 #define LVDS_ENCODER_CONTROL_PARAMETERS_LAST     LVDS_ENCODER_CONTROL_PARAMETERS_V3
 #define LVDS_ENCODER_CONTROL_PS_ALLOCATION_LAST  LVDS_ENCODER_CONTROL_PARAMETERS_LAST
 
@@ -1252,7 +1608,7 @@ typedef struct _DVO_ENCODER_CONTROL_PARAMETERS_V3 {
 #define DVO_ENCODER_CONTROL_PARAMETERS_LAST      DVO_ENCODER_CONTROL_PARAMETERS
 #define DVO_ENCODER_CONTROL_PS_ALLOCATION_LAST   DVO_ENCODER_CONTROL_PS_ALLOCATION
 
-/* ========================================================================================== */
+//==========================================================================================
 #define PANEL_ENCODER_MISC_DUAL                0x01
 #define PANEL_ENCODER_MISC_COHERENT            0x02
 #define	PANEL_ENCODER_MISC_TMDS_LINKB					 0x04
@@ -1281,159 +1637,159 @@ typedef struct _DVO_ENCODER_CONTROL_PARAMETERS_V3 {
 #define PANEL_ENCODER_75FRC_E                  0x00
 #define PANEL_ENCODER_75FRC_F                  0x80
 
-/****************************************************************************/
-/*  Structures used by SetVoltageTable */
-/****************************************************************************/
+/****************************************************************************/	
+// Structures used by SetVoltageTable
+/****************************************************************************/	
 #define SET_VOLTAGE_TYPE_ASIC_VDDC             1
 #define SET_VOLTAGE_TYPE_ASIC_MVDDC            2
 #define SET_VOLTAGE_TYPE_ASIC_MVDDQ            3
 #define SET_VOLTAGE_TYPE_ASIC_VDDCI            4
 #define SET_VOLTAGE_INIT_MODE                  5
-#define SET_VOLTAGE_GET_MAX_VOLTAGE            6	/* Gets the Max. voltage for the soldered Asic */
+#define SET_VOLTAGE_GET_MAX_VOLTAGE            6					//Gets the Max. voltage for the soldered Asic
 
 #define SET_ASIC_VOLTAGE_MODE_ALL_SOURCE       0x1
 #define SET_ASIC_VOLTAGE_MODE_SOURCE_A         0x2
 #define SET_ASIC_VOLTAGE_MODE_SOURCE_B         0x4
 
 #define	SET_ASIC_VOLTAGE_MODE_SET_VOLTAGE      0x0
-#define	SET_ASIC_VOLTAGE_MODE_GET_GPIOVAL      0x1
+#define	SET_ASIC_VOLTAGE_MODE_GET_GPIOVAL      0x1	
 #define	SET_ASIC_VOLTAGE_MODE_GET_GPIOMASK     0x2
 
-typedef struct _SET_VOLTAGE_PARAMETERS {
-	UCHAR ucVoltageType;	/*  To tell which voltage to set up, VDDC/MVDDC/MVDDQ */
-	UCHAR ucVoltageMode;	/*  To set all, to set source A or source B or ... */
-	UCHAR ucVoltageIndex;	/*  An index to tell which voltage level */
-	UCHAR ucReserved;
-} SET_VOLTAGE_PARAMETERS;
-
-typedef struct _SET_VOLTAGE_PARAMETERS_V2 {
-	UCHAR ucVoltageType;	/*  To tell which voltage to set up, VDDC/MVDDC/MVDDQ */
-	UCHAR ucVoltageMode;	/*  Not used, maybe use for state machine for differen power mode */
-	USHORT usVoltageLevel;	/*  real voltage level */
-} SET_VOLTAGE_PARAMETERS_V2;
-
-typedef struct _SET_VOLTAGE_PS_ALLOCATION {
-	SET_VOLTAGE_PARAMETERS sASICSetVoltage;
-	WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION sReserved;
-} SET_VOLTAGE_PS_ALLOCATION;
-
-/****************************************************************************/
-/*  Structures used by TVEncoderControlTable */
-/****************************************************************************/
-typedef struct _TV_ENCODER_CONTROL_PARAMETERS {
-	USHORT usPixelClock;	/*  in 10KHz; for bios convenient */
-	UCHAR ucTvStandard;	/*  See definition "ATOM_TV_NTSC ..." */
-	UCHAR ucAction;		/*  0: turn off encoder */
-	/*  1: setup and turn on encoder */
-} TV_ENCODER_CONTROL_PARAMETERS;
-
-typedef struct _TV_ENCODER_CONTROL_PS_ALLOCATION {
-	TV_ENCODER_CONTROL_PARAMETERS sTVEncoder;
-	WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION sReserved;	/*  Don't set this one */
-} TV_ENCODER_CONTROL_PS_ALLOCATION;
-
-/* ==============================Data Table Portion==================================== */
-
-#ifdef	UEFI_BUILD
-#define	UTEMP	USHORT
-#define	USHORT	void*
-#endif
-
-/****************************************************************************/
-/*  Structure used in Data.mtb */
-/****************************************************************************/
-typedef struct _ATOM_MASTER_LIST_OF_DATA_TABLES {
-	USHORT UtilityPipeLine;	/*  Offest for the utility to get parser info,Don't change this position! */
-	USHORT MultimediaCapabilityInfo;	/*  Only used by MM Lib,latest version 1.1, not configuable from Bios, need to include the table to build Bios */
-	USHORT MultimediaConfigInfo;	/*  Only used by MM Lib,latest version 2.1, not configuable from Bios, need to include the table to build Bios */
-	USHORT StandardVESA_Timing;	/*  Only used by Bios */
-	USHORT FirmwareInfo;	/*  Shared by various SW components,latest version 1.4 */
-	USHORT DAC_Info;	/*  Will be obsolete from R600 */
-	USHORT LVDS_Info;	/*  Shared by various SW components,latest version 1.1 */
-	USHORT TMDS_Info;	/*  Will be obsolete from R600 */
-	USHORT AnalogTV_Info;	/*  Shared by various SW components,latest version 1.1 */
-	USHORT SupportedDevicesInfo;	/*  Will be obsolete from R600 */
-	USHORT GPIO_I2C_Info;	/*  Shared by various SW components,latest version 1.2 will be used from R600 */
-	USHORT VRAM_UsageByFirmware;	/*  Shared by various SW components,latest version 1.3 will be used from R600 */
-	USHORT GPIO_Pin_LUT;	/*  Shared by various SW components,latest version 1.1 */
-	USHORT VESA_ToInternalModeLUT;	/*  Only used by Bios */
-	USHORT ComponentVideoInfo;	/*  Shared by various SW components,latest version 2.1 will be used from R600 */
-	USHORT PowerPlayInfo;	/*  Shared by various SW components,latest version 2.1,new design from R600 */
-	USHORT CompassionateData;	/*  Will be obsolete from R600 */
-	USHORT SaveRestoreInfo;	/*  Only used by Bios */
-	USHORT PPLL_SS_Info;	/*  Shared by various SW components,latest version 1.2, used to call SS_Info, change to new name because of int ASIC SS info */
-	USHORT OemInfo;		/*  Defined and used by external SW, should be obsolete soon */
-	USHORT XTMDS_Info;	/*  Will be obsolete from R600 */
-	USHORT MclkSS_Info;	/*  Shared by various SW components,latest version 1.1, only enabled when ext SS chip is used */
-	USHORT Object_Header;	/*  Shared by various SW components,latest version 1.1 */
-	USHORT IndirectIOAccess;	/*  Only used by Bios,this table position can't change at all!! */
-	USHORT MC_InitParameter;	/*  Only used by command table */
-	USHORT ASIC_VDDC_Info;	/*  Will be obsolete from R600 */
-	USHORT ASIC_InternalSS_Info;	/*  New tabel name from R600, used to be called "ASIC_MVDDC_Info" */
-	USHORT TV_VideoMode;	/*  Only used by command table */
-	USHORT VRAM_Info;	/*  Only used by command table, latest version 1.3 */
-	USHORT MemoryTrainingInfo;	/*  Used for VBIOS and Diag utility for memory training purpose since R600. the new table rev start from 2.1 */
-	USHORT IntegratedSystemInfo;	/*  Shared by various SW components */
-	USHORT ASIC_ProfilingInfo;	/*  New table name from R600, used to be called "ASIC_VDDCI_Info" for pre-R600 */
-	USHORT VoltageObjectInfo;	/*  Shared by various SW components, latest version 1.1 */
-	USHORT PowerSourceInfo;	/*  Shared by various SW components, latest versoin 1.1 */
-} ATOM_MASTER_LIST_OF_DATA_TABLES;
-
-#ifdef	UEFI_BUILD
-#define	USHORT	UTEMP
-#endif
+typedef struct	_SET_VOLTAGE_PARAMETERS
+{
+  UCHAR    ucVoltageType;               // To tell which voltage to set up, VDDC/MVDDC/MVDDQ
+  UCHAR    ucVoltageMode;               // To set all, to set source A or source B or ...
+  UCHAR    ucVoltageIndex;              // An index to tell which voltage level
+  UCHAR    ucReserved;          
+}SET_VOLTAGE_PARAMETERS;
 
-typedef struct _ATOM_MASTER_DATA_TABLE {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_MASTER_LIST_OF_DATA_TABLES ListOfDataTables;
-} ATOM_MASTER_DATA_TABLE;
+typedef struct	_SET_VOLTAGE_PARAMETERS_V2
+{
+  UCHAR    ucVoltageType;               // To tell which voltage to set up, VDDC/MVDDC/MVDDQ
+  UCHAR    ucVoltageMode;               // Not used, maybe use for state machine for differen power mode
+  USHORT   usVoltageLevel;              // real voltage level
+}SET_VOLTAGE_PARAMETERS_V2;
 
-/****************************************************************************/
-/*  Structure used in MultimediaCapabilityInfoTable */
-/****************************************************************************/
-typedef struct _ATOM_MULTIMEDIA_CAPABILITY_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ULONG ulSignature;	/*  HW info table signature string "$ATI" */
-	UCHAR ucI2C_Type;	/*  I2C type (normal GP_IO, ImpactTV GP_IO, Dedicated I2C pin, etc) */
-	UCHAR ucTV_OutInfo;	/*  Type of TV out supported (3:0) and video out crystal frequency (6:4) and TV data port (7) */
-	UCHAR ucVideoPortInfo;	/*  Provides the video port capabilities */
-	UCHAR ucHostPortInfo;	/*  Provides host port configuration information */
-} ATOM_MULTIMEDIA_CAPABILITY_INFO;
+typedef struct _SET_VOLTAGE_PS_ALLOCATION
+{
+  SET_VOLTAGE_PARAMETERS sASICSetVoltage;
+  WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION sReserved;
+}SET_VOLTAGE_PS_ALLOCATION;
+
+/****************************************************************************/	
+// Structures used by TVEncoderControlTable
+/****************************************************************************/	
+typedef struct _TV_ENCODER_CONTROL_PARAMETERS
+{
+  USHORT usPixelClock;                // in 10KHz; for bios convenient
+  UCHAR  ucTvStandard;                // See definition "ATOM_TV_NTSC ..."
+  UCHAR  ucAction;                    // 0: turn off encoder
+                                      // 1: setup and turn on encoder
+}TV_ENCODER_CONTROL_PARAMETERS;
 
-/****************************************************************************/
-/*  Structure used in MultimediaConfigInfoTable */
-/****************************************************************************/
-typedef struct _ATOM_MULTIMEDIA_CONFIG_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ULONG ulSignature;	/*  MM info table signature sting "$MMT" */
-	UCHAR ucTunerInfo;	/*  Type of tuner installed on the adapter (4:0) and video input for tuner (7:5) */
-	UCHAR ucAudioChipInfo;	/*  List the audio chip type (3:0) product type (4) and OEM revision (7:5) */
-	UCHAR ucProductID;	/*  Defines as OEM ID or ATI board ID dependent on product type setting */
-	UCHAR ucMiscInfo1;	/*  Tuner voltage (1:0) HW teletext support (3:2) FM audio decoder (5:4) reserved (6) audio scrambling (7) */
-	UCHAR ucMiscInfo2;	/*  I2S input config (0) I2S output config (1) I2S Audio Chip (4:2) SPDIF Output Config (5) reserved (7:6) */
-	UCHAR ucMiscInfo3;	/*  Video Decoder Type (3:0) Video In Standard/Crystal (7:4) */
-	UCHAR ucMiscInfo4;	/*  Video Decoder Host Config (2:0) reserved (7:3) */
-	UCHAR ucVideoInput0Info;	/*  Video Input 0 Type (1:0) F/B setting (2) physical connector ID (5:3) reserved (7:6) */
-	UCHAR ucVideoInput1Info;	/*  Video Input 1 Type (1:0) F/B setting (2) physical connector ID (5:3) reserved (7:6) */
-	UCHAR ucVideoInput2Info;	/*  Video Input 2 Type (1:0) F/B setting (2) physical connector ID (5:3) reserved (7:6) */
-	UCHAR ucVideoInput3Info;	/*  Video Input 3 Type (1:0) F/B setting (2) physical connector ID (5:3) reserved (7:6) */
-	UCHAR ucVideoInput4Info;	/*  Video Input 4 Type (1:0) F/B setting (2) physical connector ID (5:3) reserved (7:6) */
-} ATOM_MULTIMEDIA_CONFIG_INFO;
+typedef struct _TV_ENCODER_CONTROL_PS_ALLOCATION
+{
+  TV_ENCODER_CONTROL_PARAMETERS sTVEncoder;          
+  WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION    sReserved; // Don't set this one
+}TV_ENCODER_CONTROL_PS_ALLOCATION;
 
-/****************************************************************************/
-/*  Structures used in FirmwareInfoTable */
-/****************************************************************************/
+//==============================Data Table Portion====================================
 
-/*  usBIOSCapability Definition: */
-/*  Bit 0 = 0: Bios image is not Posted, =1:Bios image is Posted; */
-/*  Bit 1 = 0: Dual CRTC is not supported, =1: Dual CRTC is supported; */
-/*  Bit 2 = 0: Extended Desktop is not supported, =1: Extended Desktop is supported; */
-/*  Others: Reserved */
+/****************************************************************************/	
+// Structure used in Data.mtb
+/****************************************************************************/	
+typedef struct _ATOM_MASTER_LIST_OF_DATA_TABLES
+{
+  USHORT        UtilityPipeLine;	        // Offest for the utility to get parser info,Don't change this position!
+  USHORT        MultimediaCapabilityInfo; // Only used by MM Lib,latest version 1.1, not configuable from Bios, need to include the table to build Bios 
+  USHORT        MultimediaConfigInfo;     // Only used by MM Lib,latest version 2.1, not configuable from Bios, need to include the table to build Bios
+  USHORT        StandardVESA_Timing;      // Only used by Bios
+  USHORT        FirmwareInfo;             // Shared by various SW components,latest version 1.4
+  USHORT        DAC_Info;                 // Will be obsolete from R600
+  USHORT        LVDS_Info;                // Shared by various SW components,latest version 1.1 
+  USHORT        TMDS_Info;                // Will be obsolete from R600
+  USHORT        AnalogTV_Info;            // Shared by various SW components,latest version 1.1 
+  USHORT        SupportedDevicesInfo;     // Will be obsolete from R600
+  USHORT        GPIO_I2C_Info;            // Shared by various SW components,latest version 1.2 will be used from R600           
+  USHORT        VRAM_UsageByFirmware;     // Shared by various SW components,latest version 1.3 will be used from R600
+  USHORT        GPIO_Pin_LUT;             // Shared by various SW components,latest version 1.1
+  USHORT        VESA_ToInternalModeLUT;   // Only used by Bios
+  USHORT        ComponentVideoInfo;       // Shared by various SW components,latest version 2.1 will be used from R600
+  USHORT        PowerPlayInfo;            // Shared by various SW components,latest version 2.1,new design from R600
+  USHORT        CompassionateData;        // Will be obsolete from R600
+  USHORT        SaveRestoreInfo;          // Only used by Bios
+  USHORT        PPLL_SS_Info;             // Shared by various SW components,latest version 1.2, used to call SS_Info, change to new name because of int ASIC SS info
+  USHORT        OemInfo;                  // Defined and used by external SW, should be obsolete soon
+  USHORT        XTMDS_Info;               // Will be obsolete from R600
+  USHORT        MclkSS_Info;              // Shared by various SW components,latest version 1.1, only enabled when ext SS chip is used
+  USHORT        Object_Header;            // Shared by various SW components,latest version 1.1
+  USHORT        IndirectIOAccess;         // Only used by Bios,this table position can't change at all!!
+  USHORT        MC_InitParameter;         // Only used by command table
+  USHORT        ASIC_VDDC_Info;						// Will be obsolete from R600
+  USHORT        ASIC_InternalSS_Info;			// New tabel name from R600, used to be called "ASIC_MVDDC_Info"
+  USHORT        TV_VideoMode;							// Only used by command table
+  USHORT        VRAM_Info;								// Only used by command table, latest version 1.3
+  USHORT        MemoryTrainingInfo;				// Used for VBIOS and Diag utility for memory training purpose since R600. the new table rev start from 2.1
+  USHORT        IntegratedSystemInfo;			// Shared by various SW components
+  USHORT        ASIC_ProfilingInfo;				// New table name from R600, used to be called "ASIC_VDDCI_Info" for pre-R600
+  USHORT        VoltageObjectInfo;				// Shared by various SW components, latest version 1.1
+	USHORT				PowerSourceInfo;					// Shared by various SW components, latest versoin 1.1
+}ATOM_MASTER_LIST_OF_DATA_TABLES;
+
+typedef struct _ATOM_MASTER_DATA_TABLE
+{ 
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+  ATOM_MASTER_LIST_OF_DATA_TABLES   ListOfDataTables;
+}ATOM_MASTER_DATA_TABLE;
+
+/****************************************************************************/	
+// Structure used in MultimediaCapabilityInfoTable
+/****************************************************************************/	
+typedef struct _ATOM_MULTIMEDIA_CAPABILITY_INFO
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+  ULONG                    ulSignature;      // HW info table signature string "$ATI"
+  UCHAR                    ucI2C_Type;       // I2C type (normal GP_IO, ImpactTV GP_IO, Dedicated I2C pin, etc)
+  UCHAR                    ucTV_OutInfo;     // Type of TV out supported (3:0) and video out crystal frequency (6:4) and TV data port (7)
+  UCHAR                    ucVideoPortInfo;  // Provides the video port capabilities
+  UCHAR                    ucHostPortInfo;   // Provides host port configuration information
+}ATOM_MULTIMEDIA_CAPABILITY_INFO;
+
+/****************************************************************************/	
+// Structure used in MultimediaConfigInfoTable
+/****************************************************************************/	
+typedef struct _ATOM_MULTIMEDIA_CONFIG_INFO
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;
+  ULONG                    ulSignature;      // MM info table signature sting "$MMT"
+  UCHAR                    ucTunerInfo;      // Type of tuner installed on the adapter (4:0) and video input for tuner (7:5)
+  UCHAR                    ucAudioChipInfo;  // List the audio chip type (3:0) product type (4) and OEM revision (7:5)
+  UCHAR                    ucProductID;      // Defines as OEM ID or ATI board ID dependent on product type setting
+  UCHAR                    ucMiscInfo1;      // Tuner voltage (1:0) HW teletext support (3:2) FM audio decoder (5:4) reserved (6) audio scrambling (7)
+  UCHAR                    ucMiscInfo2;      // I2S input config (0) I2S output config (1) I2S Audio Chip (4:2) SPDIF Output Config (5) reserved (7:6)
+  UCHAR                    ucMiscInfo3;      // Video Decoder Type (3:0) Video In Standard/Crystal (7:4)
+  UCHAR                    ucMiscInfo4;      // Video Decoder Host Config (2:0) reserved (7:3)
+  UCHAR                    ucVideoInput0Info;// Video Input 0 Type (1:0) F/B setting (2) physical connector ID (5:3) reserved (7:6)
+  UCHAR                    ucVideoInput1Info;// Video Input 1 Type (1:0) F/B setting (2) physical connector ID (5:3) reserved (7:6)
+  UCHAR                    ucVideoInput2Info;// Video Input 2 Type (1:0) F/B setting (2) physical connector ID (5:3) reserved (7:6)
+  UCHAR                    ucVideoInput3Info;// Video Input 3 Type (1:0) F/B setting (2) physical connector ID (5:3) reserved (7:6)
+  UCHAR                    ucVideoInput4Info;// Video Input 4 Type (1:0) F/B setting (2) physical connector ID (5:3) reserved (7:6)
+}ATOM_MULTIMEDIA_CONFIG_INFO;
+
+/****************************************************************************/	
+// Structures used in FirmwareInfoTable
+/****************************************************************************/	
+
+// usBIOSCapability Defintion:
+// Bit 0 = 0: Bios image is not Posted, =1:Bios image is Posted; 
+// Bit 1 = 0: Dual CRTC is not supported, =1: Dual CRTC is supported; 
+// Bit 2 = 0: Extended Desktop is not supported, =1: Extended Desktop is supported; 
+// Others: Reserved
 #define ATOM_BIOS_INFO_ATOM_FIRMWARE_POSTED         0x0001
 #define ATOM_BIOS_INFO_DUAL_CRTC_SUPPORT            0x0002
 #define ATOM_BIOS_INFO_EXTENDED_DESKTOP_SUPPORT     0x0004
-#define ATOM_BIOS_INFO_MEMORY_CLOCK_SS_SUPPORT      0x0008
-#define ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT      0x0010
+#define ATOM_BIOS_INFO_MEMORY_CLOCK_SS_SUPPORT      0x0008		// (valid from v1.1 ~v1.4):=1: memclk SS enable, =0 memclk SS disable. 
+#define ATOM_BIOS_INFO_ENGINE_CLOCK_SS_SUPPORT      0x0010		// (valid from v1.1 ~v1.4):=1: engclk SS enable, =0 engclk SS disable. 
 #define ATOM_BIOS_INFO_BL_CONTROLLED_BY_GPU         0x0020
 #define ATOM_BIOS_INFO_WMI_SUPPORT                  0x0040
 #define ATOM_BIOS_INFO_PPMODE_ASSIGNGED_BY_SYSTEM   0x0080
@@ -1441,242 +1797,292 @@ typedef struct _ATOM_MULTIMEDIA_CONFIG_INFO {
 #define ATOM_BIOS_INFO_HYPERMEMORY_SIZE_MASK        0x1E00
 #define ATOM_BIOS_INFO_VPOST_WITHOUT_FIRST_MODE_SET 0x2000
 #define ATOM_BIOS_INFO_BIOS_SCRATCH6_SCL2_REDEFINE  0x4000
+#define ATOM_BIOS_INFO_MEMORY_CLOCK_EXT_SS_SUPPORT  0x0008		// (valid from v2.1 ): =1: memclk ss enable with external ss chip
+#define ATOM_BIOS_INFO_ENGINE_CLOCK_EXT_SS_SUPPORT  0x0010		// (valid from v2.1 ): =1: engclk ss enable with external ss chip
 
 #ifndef _H2INC
 
-/* Please don't add or expand this bitfield structure below, this one will retire soon.! */
-typedef struct _ATOM_FIRMWARE_CAPABILITY {
+//Please don't add or expand this bitfield structure below, this one will retire soon.!
+typedef struct _ATOM_FIRMWARE_CAPABILITY
+{
 #if ATOM_BIG_ENDIAN
-	USHORT Reserved:3;
-	USHORT HyperMemory_Size:4;
-	USHORT HyperMemory_Support:1;
-	USHORT PPMode_Assigned:1;
-	USHORT WMI_SUPPORT:1;
-	USHORT GPUControlsBL:1;
-	USHORT EngineClockSS_Support:1;
-	USHORT MemoryClockSS_Support:1;
-	USHORT ExtendedDesktopSupport:1;
-	USHORT DualCRTC_Support:1;
-	USHORT FirmwarePosted:1;
+  USHORT Reserved:3;
+  USHORT HyperMemory_Size:4;
+  USHORT HyperMemory_Support:1;
+  USHORT PPMode_Assigned:1;
+  USHORT WMI_SUPPORT:1;
+  USHORT GPUControlsBL:1;
+  USHORT EngineClockSS_Support:1;
+  USHORT MemoryClockSS_Support:1;
+  USHORT ExtendedDesktopSupport:1;
+  USHORT DualCRTC_Support:1;
+  USHORT FirmwarePosted:1;
 #else
-	USHORT FirmwarePosted:1;
-	USHORT DualCRTC_Support:1;
-	USHORT ExtendedDesktopSupport:1;
-	USHORT MemoryClockSS_Support:1;
-	USHORT EngineClockSS_Support:1;
-	USHORT GPUControlsBL:1;
-	USHORT WMI_SUPPORT:1;
-	USHORT PPMode_Assigned:1;
-	USHORT HyperMemory_Support:1;
-	USHORT HyperMemory_Size:4;
-	USHORT Reserved:3;
+  USHORT FirmwarePosted:1;
+  USHORT DualCRTC_Support:1;
+  USHORT ExtendedDesktopSupport:1;
+  USHORT MemoryClockSS_Support:1;
+  USHORT EngineClockSS_Support:1;
+  USHORT GPUControlsBL:1;
+  USHORT WMI_SUPPORT:1;
+  USHORT PPMode_Assigned:1;
+  USHORT HyperMemory_Support:1;
+  USHORT HyperMemory_Size:4;
+  USHORT Reserved:3;
 #endif
-} ATOM_FIRMWARE_CAPABILITY;
+}ATOM_FIRMWARE_CAPABILITY;
 
-typedef union _ATOM_FIRMWARE_CAPABILITY_ACCESS {
-	ATOM_FIRMWARE_CAPABILITY sbfAccess;
-	USHORT susAccess;
-} ATOM_FIRMWARE_CAPABILITY_ACCESS;
+typedef union _ATOM_FIRMWARE_CAPABILITY_ACCESS
+{
+  ATOM_FIRMWARE_CAPABILITY sbfAccess;
+  USHORT                   susAccess;
+}ATOM_FIRMWARE_CAPABILITY_ACCESS;
 
 #else
 
-typedef union _ATOM_FIRMWARE_CAPABILITY_ACCESS {
-	USHORT susAccess;
-} ATOM_FIRMWARE_CAPABILITY_ACCESS;
+typedef union _ATOM_FIRMWARE_CAPABILITY_ACCESS
+{
+  USHORT                   susAccess;
+}ATOM_FIRMWARE_CAPABILITY_ACCESS;
 
 #endif
 
-typedef struct _ATOM_FIRMWARE_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ULONG ulFirmwareRevision;
-	ULONG ulDefaultEngineClock;	/* In 10Khz unit */
-	ULONG ulDefaultMemoryClock;	/* In 10Khz unit */
-	ULONG ulDriverTargetEngineClock;	/* In 10Khz unit */
-	ULONG ulDriverTargetMemoryClock;	/* In 10Khz unit */
-	ULONG ulMaxEngineClockPLL_Output;	/* In 10Khz unit */
-	ULONG ulMaxMemoryClockPLL_Output;	/* In 10Khz unit */
-	ULONG ulMaxPixelClockPLL_Output;	/* In 10Khz unit */
-	ULONG ulASICMaxEngineClock;	/* In 10Khz unit */
-	ULONG ulASICMaxMemoryClock;	/* In 10Khz unit */
-	UCHAR ucASICMaxTemperature;
-	UCHAR ucPadding[3];	/* Don't use them */
-	ULONG aulReservedForBIOS[3];	/* Don't use them */
-	USHORT usMinEngineClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMaxEngineClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMinEngineClockPLL_Output;	/* In 10Khz unit */
-	USHORT usMinMemoryClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMaxMemoryClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMinMemoryClockPLL_Output;	/* In 10Khz unit */
-	USHORT usMaxPixelClock;	/* In 10Khz unit, Max.  Pclk */
-	USHORT usMinPixelClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMaxPixelClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMinPixelClockPLL_Output;	/* In 10Khz unit, the definitions above can't change!!! */
-	ATOM_FIRMWARE_CAPABILITY_ACCESS usFirmwareCapability;
-	USHORT usReferenceClock;	/* In 10Khz unit */
-	USHORT usPM_RTS_Location;	/* RTS PM4 starting location in ROM in 1Kb unit */
-	UCHAR ucPM_RTS_StreamSize;	/* RTS PM4 packets in Kb unit */
-	UCHAR ucDesign_ID;	/* Indicate what is the board design */
-	UCHAR ucMemoryModule_ID;	/* Indicate what is the board design */
-} ATOM_FIRMWARE_INFO;
-
-typedef struct _ATOM_FIRMWARE_INFO_V1_2 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ULONG ulFirmwareRevision;
-	ULONG ulDefaultEngineClock;	/* In 10Khz unit */
-	ULONG ulDefaultMemoryClock;	/* In 10Khz unit */
-	ULONG ulDriverTargetEngineClock;	/* In 10Khz unit */
-	ULONG ulDriverTargetMemoryClock;	/* In 10Khz unit */
-	ULONG ulMaxEngineClockPLL_Output;	/* In 10Khz unit */
-	ULONG ulMaxMemoryClockPLL_Output;	/* In 10Khz unit */
-	ULONG ulMaxPixelClockPLL_Output;	/* In 10Khz unit */
-	ULONG ulASICMaxEngineClock;	/* In 10Khz unit */
-	ULONG ulASICMaxMemoryClock;	/* In 10Khz unit */
-	UCHAR ucASICMaxTemperature;
-	UCHAR ucMinAllowedBL_Level;
-	UCHAR ucPadding[2];	/* Don't use them */
-	ULONG aulReservedForBIOS[2];	/* Don't use them */
-	ULONG ulMinPixelClockPLL_Output;	/* In 10Khz unit */
-	USHORT usMinEngineClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMaxEngineClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMinEngineClockPLL_Output;	/* In 10Khz unit */
-	USHORT usMinMemoryClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMaxMemoryClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMinMemoryClockPLL_Output;	/* In 10Khz unit */
-	USHORT usMaxPixelClock;	/* In 10Khz unit, Max.  Pclk */
-	USHORT usMinPixelClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMaxPixelClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMinPixelClockPLL_Output;	/* In 10Khz unit - lower 16bit of ulMinPixelClockPLL_Output */
-	ATOM_FIRMWARE_CAPABILITY_ACCESS usFirmwareCapability;
-	USHORT usReferenceClock;	/* In 10Khz unit */
-	USHORT usPM_RTS_Location;	/* RTS PM4 starting location in ROM in 1Kb unit */
-	UCHAR ucPM_RTS_StreamSize;	/* RTS PM4 packets in Kb unit */
-	UCHAR ucDesign_ID;	/* Indicate what is the board design */
-	UCHAR ucMemoryModule_ID;	/* Indicate what is the board design */
-} ATOM_FIRMWARE_INFO_V1_2;
-
-typedef struct _ATOM_FIRMWARE_INFO_V1_3 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ULONG ulFirmwareRevision;
-	ULONG ulDefaultEngineClock;	/* In 10Khz unit */
-	ULONG ulDefaultMemoryClock;	/* In 10Khz unit */
-	ULONG ulDriverTargetEngineClock;	/* In 10Khz unit */
-	ULONG ulDriverTargetMemoryClock;	/* In 10Khz unit */
-	ULONG ulMaxEngineClockPLL_Output;	/* In 10Khz unit */
-	ULONG ulMaxMemoryClockPLL_Output;	/* In 10Khz unit */
-	ULONG ulMaxPixelClockPLL_Output;	/* In 10Khz unit */
-	ULONG ulASICMaxEngineClock;	/* In 10Khz unit */
-	ULONG ulASICMaxMemoryClock;	/* In 10Khz unit */
-	UCHAR ucASICMaxTemperature;
-	UCHAR ucMinAllowedBL_Level;
-	UCHAR ucPadding[2];	/* Don't use them */
-	ULONG aulReservedForBIOS;	/* Don't use them */
-	ULONG ul3DAccelerationEngineClock;	/* In 10Khz unit */
-	ULONG ulMinPixelClockPLL_Output;	/* In 10Khz unit */
-	USHORT usMinEngineClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMaxEngineClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMinEngineClockPLL_Output;	/* In 10Khz unit */
-	USHORT usMinMemoryClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMaxMemoryClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMinMemoryClockPLL_Output;	/* In 10Khz unit */
-	USHORT usMaxPixelClock;	/* In 10Khz unit, Max.  Pclk */
-	USHORT usMinPixelClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMaxPixelClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMinPixelClockPLL_Output;	/* In 10Khz unit - lower 16bit of ulMinPixelClockPLL_Output */
-	ATOM_FIRMWARE_CAPABILITY_ACCESS usFirmwareCapability;
-	USHORT usReferenceClock;	/* In 10Khz unit */
-	USHORT usPM_RTS_Location;	/* RTS PM4 starting location in ROM in 1Kb unit */
-	UCHAR ucPM_RTS_StreamSize;	/* RTS PM4 packets in Kb unit */
-	UCHAR ucDesign_ID;	/* Indicate what is the board design */
-	UCHAR ucMemoryModule_ID;	/* Indicate what is the board design */
-} ATOM_FIRMWARE_INFO_V1_3;
-
-typedef struct _ATOM_FIRMWARE_INFO_V1_4 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ULONG ulFirmwareRevision;
-	ULONG ulDefaultEngineClock;	/* In 10Khz unit */
-	ULONG ulDefaultMemoryClock;	/* In 10Khz unit */
-	ULONG ulDriverTargetEngineClock;	/* In 10Khz unit */
-	ULONG ulDriverTargetMemoryClock;	/* In 10Khz unit */
-	ULONG ulMaxEngineClockPLL_Output;	/* In 10Khz unit */
-	ULONG ulMaxMemoryClockPLL_Output;	/* In 10Khz unit */
-	ULONG ulMaxPixelClockPLL_Output;	/* In 10Khz unit */
-	ULONG ulASICMaxEngineClock;	/* In 10Khz unit */
-	ULONG ulASICMaxMemoryClock;	/* In 10Khz unit */
-	UCHAR ucASICMaxTemperature;
-	UCHAR ucMinAllowedBL_Level;
-	USHORT usBootUpVDDCVoltage;	/* In MV unit */
-	USHORT usLcdMinPixelClockPLL_Output;	/*  In MHz unit */
-	USHORT usLcdMaxPixelClockPLL_Output;	/*  In MHz unit */
-	ULONG ul3DAccelerationEngineClock;	/* In 10Khz unit */
-	ULONG ulMinPixelClockPLL_Output;	/* In 10Khz unit */
-	USHORT usMinEngineClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMaxEngineClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMinEngineClockPLL_Output;	/* In 10Khz unit */
-	USHORT usMinMemoryClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMaxMemoryClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMinMemoryClockPLL_Output;	/* In 10Khz unit */
-	USHORT usMaxPixelClock;	/* In 10Khz unit, Max.  Pclk */
-	USHORT usMinPixelClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMaxPixelClockPLL_Input;	/* In 10Khz unit */
-	USHORT usMinPixelClockPLL_Output;	/* In 10Khz unit - lower 16bit of ulMinPixelClockPLL_Output */
-	ATOM_FIRMWARE_CAPABILITY_ACCESS usFirmwareCapability;
-	USHORT usReferenceClock;	/* In 10Khz unit */
-	USHORT usPM_RTS_Location;	/* RTS PM4 starting location in ROM in 1Kb unit */
-	UCHAR ucPM_RTS_StreamSize;	/* RTS PM4 packets in Kb unit */
-	UCHAR ucDesign_ID;	/* Indicate what is the board design */
-	UCHAR ucMemoryModule_ID;	/* Indicate what is the board design */
-} ATOM_FIRMWARE_INFO_V1_4;
-
-#define ATOM_FIRMWARE_INFO_LAST  ATOM_FIRMWARE_INFO_V1_4
-
-/****************************************************************************/
-/*  Structures used in IntegratedSystemInfoTable */
-/****************************************************************************/
+typedef struct _ATOM_FIRMWARE_INFO
+{
+  ATOM_COMMON_TABLE_HEADER        sHeader; 
+  ULONG                           ulFirmwareRevision;
+  ULONG                           ulDefaultEngineClock;       //In 10Khz unit
+  ULONG                           ulDefaultMemoryClock;       //In 10Khz unit
+  ULONG                           ulDriverTargetEngineClock;  //In 10Khz unit
+  ULONG                           ulDriverTargetMemoryClock;  //In 10Khz unit
+  ULONG                           ulMaxEngineClockPLL_Output; //In 10Khz unit
+  ULONG                           ulMaxMemoryClockPLL_Output; //In 10Khz unit
+  ULONG                           ulMaxPixelClockPLL_Output;  //In 10Khz unit
+  ULONG                           ulASICMaxEngineClock;       //In 10Khz unit
+  ULONG                           ulASICMaxMemoryClock;       //In 10Khz unit
+  UCHAR                           ucASICMaxTemperature;
+  UCHAR                           ucPadding[3];               //Don't use them
+  ULONG                           aulReservedForBIOS[3];      //Don't use them
+  USHORT                          usMinEngineClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMaxEngineClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMinEngineClockPLL_Output; //In 10Khz unit
+  USHORT                          usMinMemoryClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMaxMemoryClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMinMemoryClockPLL_Output; //In 10Khz unit
+  USHORT                          usMaxPixelClock;            //In 10Khz unit, Max.  Pclk
+  USHORT                          usMinPixelClockPLL_Input;   //In 10Khz unit
+  USHORT                          usMaxPixelClockPLL_Input;   //In 10Khz unit
+  USHORT                          usMinPixelClockPLL_Output;  //In 10Khz unit, the definitions above can't change!!!
+  ATOM_FIRMWARE_CAPABILITY_ACCESS usFirmwareCapability;
+  USHORT                          usReferenceClock;           //In 10Khz unit	
+  USHORT                          usPM_RTS_Location;          //RTS PM4 starting location in ROM in 1Kb unit 
+  UCHAR                           ucPM_RTS_StreamSize;        //RTS PM4 packets in Kb unit
+  UCHAR                           ucDesign_ID;                //Indicate what is the board design
+  UCHAR                           ucMemoryModule_ID;          //Indicate what is the board design
+}ATOM_FIRMWARE_INFO;
+
+typedef struct _ATOM_FIRMWARE_INFO_V1_2
+{
+  ATOM_COMMON_TABLE_HEADER        sHeader; 
+  ULONG                           ulFirmwareRevision;
+  ULONG                           ulDefaultEngineClock;       //In 10Khz unit
+  ULONG                           ulDefaultMemoryClock;       //In 10Khz unit
+  ULONG                           ulDriverTargetEngineClock;  //In 10Khz unit
+  ULONG                           ulDriverTargetMemoryClock;  //In 10Khz unit
+  ULONG                           ulMaxEngineClockPLL_Output; //In 10Khz unit
+  ULONG                           ulMaxMemoryClockPLL_Output; //In 10Khz unit
+  ULONG                           ulMaxPixelClockPLL_Output;  //In 10Khz unit
+  ULONG                           ulASICMaxEngineClock;       //In 10Khz unit
+  ULONG                           ulASICMaxMemoryClock;       //In 10Khz unit
+  UCHAR                           ucASICMaxTemperature;
+  UCHAR                           ucMinAllowedBL_Level;
+  UCHAR                           ucPadding[2];               //Don't use them
+  ULONG                           aulReservedForBIOS[2];      //Don't use them
+  ULONG                           ulMinPixelClockPLL_Output;  //In 10Khz unit
+  USHORT                          usMinEngineClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMaxEngineClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMinEngineClockPLL_Output; //In 10Khz unit
+  USHORT                          usMinMemoryClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMaxMemoryClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMinMemoryClockPLL_Output; //In 10Khz unit
+  USHORT                          usMaxPixelClock;            //In 10Khz unit, Max.  Pclk
+  USHORT                          usMinPixelClockPLL_Input;   //In 10Khz unit
+  USHORT                          usMaxPixelClockPLL_Input;   //In 10Khz unit
+  USHORT                          usMinPixelClockPLL_Output;  //In 10Khz unit - lower 16bit of ulMinPixelClockPLL_Output
+  ATOM_FIRMWARE_CAPABILITY_ACCESS usFirmwareCapability;
+  USHORT                          usReferenceClock;           //In 10Khz unit	
+  USHORT                          usPM_RTS_Location;          //RTS PM4 starting location in ROM in 1Kb unit 
+  UCHAR                           ucPM_RTS_StreamSize;        //RTS PM4 packets in Kb unit
+  UCHAR                           ucDesign_ID;                //Indicate what is the board design
+  UCHAR                           ucMemoryModule_ID;          //Indicate what is the board design
+}ATOM_FIRMWARE_INFO_V1_2;
+
+typedef struct _ATOM_FIRMWARE_INFO_V1_3
+{
+  ATOM_COMMON_TABLE_HEADER        sHeader; 
+  ULONG                           ulFirmwareRevision;
+  ULONG                           ulDefaultEngineClock;       //In 10Khz unit
+  ULONG                           ulDefaultMemoryClock;       //In 10Khz unit
+  ULONG                           ulDriverTargetEngineClock;  //In 10Khz unit
+  ULONG                           ulDriverTargetMemoryClock;  //In 10Khz unit
+  ULONG                           ulMaxEngineClockPLL_Output; //In 10Khz unit
+  ULONG                           ulMaxMemoryClockPLL_Output; //In 10Khz unit
+  ULONG                           ulMaxPixelClockPLL_Output;  //In 10Khz unit
+  ULONG                           ulASICMaxEngineClock;       //In 10Khz unit
+  ULONG                           ulASICMaxMemoryClock;       //In 10Khz unit
+  UCHAR                           ucASICMaxTemperature;
+  UCHAR                           ucMinAllowedBL_Level;
+  UCHAR                           ucPadding[2];               //Don't use them
+  ULONG                           aulReservedForBIOS;         //Don't use them
+  ULONG                           ul3DAccelerationEngineClock;//In 10Khz unit
+  ULONG                           ulMinPixelClockPLL_Output;  //In 10Khz unit
+  USHORT                          usMinEngineClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMaxEngineClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMinEngineClockPLL_Output; //In 10Khz unit
+  USHORT                          usMinMemoryClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMaxMemoryClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMinMemoryClockPLL_Output; //In 10Khz unit
+  USHORT                          usMaxPixelClock;            //In 10Khz unit, Max.  Pclk
+  USHORT                          usMinPixelClockPLL_Input;   //In 10Khz unit
+  USHORT                          usMaxPixelClockPLL_Input;   //In 10Khz unit
+  USHORT                          usMinPixelClockPLL_Output;  //In 10Khz unit - lower 16bit of ulMinPixelClockPLL_Output
+  ATOM_FIRMWARE_CAPABILITY_ACCESS usFirmwareCapability;
+  USHORT                          usReferenceClock;           //In 10Khz unit	
+  USHORT                          usPM_RTS_Location;          //RTS PM4 starting location in ROM in 1Kb unit 
+  UCHAR                           ucPM_RTS_StreamSize;        //RTS PM4 packets in Kb unit
+  UCHAR                           ucDesign_ID;                //Indicate what is the board design
+  UCHAR                           ucMemoryModule_ID;          //Indicate what is the board design
+}ATOM_FIRMWARE_INFO_V1_3;
+
+typedef struct _ATOM_FIRMWARE_INFO_V1_4
+{
+  ATOM_COMMON_TABLE_HEADER        sHeader; 
+  ULONG                           ulFirmwareRevision;
+  ULONG                           ulDefaultEngineClock;       //In 10Khz unit
+  ULONG                           ulDefaultMemoryClock;       //In 10Khz unit
+  ULONG                           ulDriverTargetEngineClock;  //In 10Khz unit
+  ULONG                           ulDriverTargetMemoryClock;  //In 10Khz unit
+  ULONG                           ulMaxEngineClockPLL_Output; //In 10Khz unit
+  ULONG                           ulMaxMemoryClockPLL_Output; //In 10Khz unit
+  ULONG                           ulMaxPixelClockPLL_Output;  //In 10Khz unit
+  ULONG                           ulASICMaxEngineClock;       //In 10Khz unit
+  ULONG                           ulASICMaxMemoryClock;       //In 10Khz unit
+  UCHAR                           ucASICMaxTemperature;
+  UCHAR                           ucMinAllowedBL_Level;
+  USHORT                          usBootUpVDDCVoltage;        //In MV unit
+  USHORT                          usLcdMinPixelClockPLL_Output; // In MHz unit
+  USHORT                          usLcdMaxPixelClockPLL_Output; // In MHz unit
+  ULONG                           ul3DAccelerationEngineClock;//In 10Khz unit
+  ULONG                           ulMinPixelClockPLL_Output;  //In 10Khz unit
+  USHORT                          usMinEngineClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMaxEngineClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMinEngineClockPLL_Output; //In 10Khz unit
+  USHORT                          usMinMemoryClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMaxMemoryClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMinMemoryClockPLL_Output; //In 10Khz unit
+  USHORT                          usMaxPixelClock;            //In 10Khz unit, Max.  Pclk
+  USHORT                          usMinPixelClockPLL_Input;   //In 10Khz unit
+  USHORT                          usMaxPixelClockPLL_Input;   //In 10Khz unit
+  USHORT                          usMinPixelClockPLL_Output;  //In 10Khz unit - lower 16bit of ulMinPixelClockPLL_Output
+  ATOM_FIRMWARE_CAPABILITY_ACCESS usFirmwareCapability;
+  USHORT                          usReferenceClock;           //In 10Khz unit	
+  USHORT                          usPM_RTS_Location;          //RTS PM4 starting location in ROM in 1Kb unit 
+  UCHAR                           ucPM_RTS_StreamSize;        //RTS PM4 packets in Kb unit
+  UCHAR                           ucDesign_ID;                //Indicate what is the board design
+  UCHAR                           ucMemoryModule_ID;          //Indicate what is the board design
+}ATOM_FIRMWARE_INFO_V1_4;
+
+//the structure below to be used from Cypress
+typedef struct _ATOM_FIRMWARE_INFO_V2_1
+{
+  ATOM_COMMON_TABLE_HEADER        sHeader; 
+  ULONG                           ulFirmwareRevision;
+  ULONG                           ulDefaultEngineClock;       //In 10Khz unit
+  ULONG                           ulDefaultMemoryClock;       //In 10Khz unit
+  ULONG                           ulReserved1;
+  ULONG                           ulReserved2;
+  ULONG                           ulMaxEngineClockPLL_Output; //In 10Khz unit
+  ULONG                           ulMaxMemoryClockPLL_Output; //In 10Khz unit
+  ULONG                           ulMaxPixelClockPLL_Output;  //In 10Khz unit
+  ULONG                           ulBinaryAlteredInfo;        //Was ulASICMaxEngineClock
+  ULONG                           ulDefaultDispEngineClkFreq; //In 10Khz unit
+  UCHAR                           ucReserved1;                //Was ucASICMaxTemperature;
+  UCHAR                           ucMinAllowedBL_Level;
+  USHORT                          usBootUpVDDCVoltage;        //In MV unit
+  USHORT                          usLcdMinPixelClockPLL_Output; // In MHz unit
+  USHORT                          usLcdMaxPixelClockPLL_Output; // In MHz unit
+  ULONG                           ulReserved4;                //Was ulAsicMaximumVoltage
+  ULONG                           ulMinPixelClockPLL_Output;  //In 10Khz unit
+  USHORT                          usMinEngineClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMaxEngineClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMinEngineClockPLL_Output; //In 10Khz unit
+  USHORT                          usMinMemoryClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMaxMemoryClockPLL_Input;  //In 10Khz unit
+  USHORT                          usMinMemoryClockPLL_Output; //In 10Khz unit
+  USHORT                          usMaxPixelClock;            //In 10Khz unit, Max.  Pclk
+  USHORT                          usMinPixelClockPLL_Input;   //In 10Khz unit
+  USHORT                          usMaxPixelClockPLL_Input;   //In 10Khz unit
+  USHORT                          usMinPixelClockPLL_Output;  //In 10Khz unit - lower 16bit of ulMinPixelClockPLL_Output
+  ATOM_FIRMWARE_CAPABILITY_ACCESS usFirmwareCapability;
+  USHORT                          usCoreReferenceClock;       //In 10Khz unit	
+  USHORT                          usMemoryReferenceClock;     //In 10Khz unit	
+  USHORT                          usUniphyDPModeExtClkFreq;   //In 10Khz unit, if it is 0, In DP Mode Uniphy Input clock from internal PPLL, otherwise Input clock from external Spread clock
+  UCHAR                           ucMemoryModule_ID;          //Indicate what is the board design
+  UCHAR                           ucReserved4[3];
+}ATOM_FIRMWARE_INFO_V2_1;
+
+
+#define ATOM_FIRMWARE_INFO_LAST  ATOM_FIRMWARE_INFO_V2_1
+
+/****************************************************************************/	
+// Structures used in IntegratedSystemInfoTable
+/****************************************************************************/	
 #define IGP_CAP_FLAG_DYNAMIC_CLOCK_EN      0x2
 #define IGP_CAP_FLAG_AC_CARD               0x4
 #define IGP_CAP_FLAG_SDVO_CARD             0x8
 #define IGP_CAP_FLAG_POSTDIV_BY_2_MODE     0x10
 
-typedef struct _ATOM_INTEGRATED_SYSTEM_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ULONG ulBootUpEngineClock;	/* in 10kHz unit */
-	ULONG ulBootUpMemoryClock;	/* in 10kHz unit */
-	ULONG ulMaxSystemMemoryClock;	/* in 10kHz unit */
-	ULONG ulMinSystemMemoryClock;	/* in 10kHz unit */
-	UCHAR ucNumberOfCyclesInPeriodHi;
-	UCHAR ucLCDTimingSel;	/* =0:not valid.!=0 sel this timing descriptor from LCD EDID. */
-	USHORT usReserved1;
-	USHORT usInterNBVoltageLow;	/* An intermidiate PMW value to set the voltage */
-	USHORT usInterNBVoltageHigh;	/* Another intermidiate PMW value to set the voltage */
-	ULONG ulReserved[2];
-
-	USHORT usFSBClock;	/* In MHz unit */
-	USHORT usCapabilityFlag;	/* Bit0=1 indicates the fake HDMI support,Bit1=0/1 for Dynamic clocking dis/enable */
-	/* Bit[3:2]== 0:No PCIE card, 1:AC card, 2:SDVO card */
-	/* Bit[4]==1: P/2 mode, ==0: P/1 mode */
-	USHORT usPCIENBCfgReg7;	/* bit[7:0]=MUX_Sel, bit[9:8]=MUX_SEL_LEVEL2, bit[10]=Lane_Reversal */
-	USHORT usK8MemoryClock;	/* in MHz unit */
-	USHORT usK8SyncStartDelay;	/* in 0.01 us unit */
-	USHORT usK8DataReturnTime;	/* in 0.01 us unit */
-	UCHAR ucMaxNBVoltage;
-	UCHAR ucMinNBVoltage;
-	UCHAR ucMemoryType;	/* [7:4]=1:DDR1;=2:DDR2;=3:DDR3.[3:0] is reserved */
-	UCHAR ucNumberOfCyclesInPeriod;	/* CG.FVTHROT_PWM_CTRL_REG0.NumberOfCyclesInPeriod */
-	UCHAR ucStartingPWM_HighTime;	/* CG.FVTHROT_PWM_CTRL_REG0.StartingPWM_HighTime */
-	UCHAR ucHTLinkWidth;	/* 16 bit vs. 8 bit */
-	UCHAR ucMaxNBVoltageHigh;
-	UCHAR ucMinNBVoltageHigh;
-} ATOM_INTEGRATED_SYSTEM_INFO;
+typedef struct _ATOM_INTEGRATED_SYSTEM_INFO
+{
+  ATOM_COMMON_TABLE_HEADER        sHeader; 
+  ULONG	                          ulBootUpEngineClock;		    //in 10kHz unit
+  ULONG	                          ulBootUpMemoryClock;		    //in 10kHz unit
+  ULONG	                          ulMaxSystemMemoryClock;	    //in 10kHz unit
+  ULONG	                          ulMinSystemMemoryClock;	    //in 10kHz unit
+  UCHAR                           ucNumberOfCyclesInPeriodHi;
+  UCHAR                           ucLCDTimingSel;             //=0:not valid.!=0 sel this timing descriptor from LCD EDID.
+  USHORT                          usReserved1;
+  USHORT                          usInterNBVoltageLow;        //An intermidiate PMW value to set the voltage 
+  USHORT                          usInterNBVoltageHigh;       //Another intermidiate PMW value to set the voltage 
+  ULONG	                          ulReserved[2];
+
+  USHORT	                        usFSBClock;			            //In MHz unit
+  USHORT                          usCapabilityFlag;		        //Bit0=1 indicates the fake HDMI support,Bit1=0/1 for Dynamic clocking dis/enable
+																                              //Bit[3:2]== 0:No PCIE card, 1:AC card, 2:SDVO card
+                                                              //Bit[4]==1: P/2 mode, ==0: P/1 mode
+  USHORT	                        usPCIENBCfgReg7;				    //bit[7:0]=MUX_Sel, bit[9:8]=MUX_SEL_LEVEL2, bit[10]=Lane_Reversal
+  USHORT	                        usK8MemoryClock;            //in MHz unit
+  USHORT	                        usK8SyncStartDelay;         //in 0.01 us unit
+  USHORT	                        usK8DataReturnTime;         //in 0.01 us unit
+  UCHAR                           ucMaxNBVoltage;
+  UCHAR                           ucMinNBVoltage;
+  UCHAR                           ucMemoryType;					      //[7:4]=1:DDR1;=2:DDR2;=3:DDR3.[3:0] is reserved
+  UCHAR                           ucNumberOfCyclesInPeriod;		//CG.FVTHROT_PWM_CTRL_REG0.NumberOfCyclesInPeriod 
+  UCHAR                           ucStartingPWM_HighTime;     //CG.FVTHROT_PWM_CTRL_REG0.StartingPWM_HighTime
+  UCHAR                           ucHTLinkWidth;              //16 bit vs. 8 bit
+  UCHAR                           ucMaxNBVoltageHigh;    
+  UCHAR                           ucMinNBVoltageHigh;
+}ATOM_INTEGRATED_SYSTEM_INFO;
 
 /* Explanation on entries in ATOM_INTEGRATED_SYSTEM_INFO
-ulBootUpMemoryClock:    For Intel IGP,it's the UMA system memory clock
+ulBootUpMemoryClock:    For Intel IGP,it's the UMA system memory clock 
                         For AMD IGP,it's 0 if no SidePort memory installed or it's the boot-up SidePort memory clock
 ulMaxSystemMemoryClock: For Intel IGP,it's the Max freq from memory SPD if memory runs in ASYNC mode or otherwise (SYNC mode) it's 0
                         For AMD IGP,for now this can be 0
-ulMinSystemMemoryClock: For Intel IGP,it's 133MHz if memory runs in ASYNC mode or otherwise (SYNC mode) it's 0
+ulMinSystemMemoryClock: For Intel IGP,it's 133MHz if memory runs in ASYNC mode or otherwise (SYNC mode) it's 0 
                         For AMD IGP,for now this can be 0
 
-usFSBClock:             For Intel IGP,it's FSB Freq
+usFSBClock:             For Intel IGP,it's FSB Freq 
                         For AMD IGP,it's HT Link Speed
 
 usK8MemoryClock:        For AMD IGP only. For RevF CPU, set it to 200
@@ -1687,98 +2093,113 @@ VC:Voltage Control
 ucMaxNBVoltage:         Voltage regulator dependent PWM value. Low 8 bits of the value for the max voltage.Set this one to 0xFF if VC without PWM. Set this to 0x0 if no VC at all.
 ucMinNBVoltage:         Voltage regulator dependent PWM value. Low 8 bits of the value for the min voltage.Set this one to 0x00 if VC without PWM or no VC at all.
 
-ucNumberOfCyclesInPeriod:   Indicate how many cycles when PWM duty is 100%. low 8 bits of the value.
-ucNumberOfCyclesInPeriodHi: Indicate how many cycles when PWM duty is 100%. high 8 bits of the value.If the PWM has an inverter,set bit [7]==1,otherwise set it 0
+ucNumberOfCyclesInPeriod:   Indicate how many cycles when PWM duty is 100%. low 8 bits of the value. 
+ucNumberOfCyclesInPeriodHi: Indicate how many cycles when PWM duty is 100%. high 8 bits of the value.If the PWM has an inverter,set bit [7]==1,otherwise set it 0 
 
 ucMaxNBVoltageHigh:     Voltage regulator dependent PWM value. High 8 bits of  the value for the max voltage.Set this one to 0xFF if VC without PWM. Set this to 0x0 if no VC at all.
 ucMinNBVoltageHigh:     Voltage regulator dependent PWM value. High 8 bits of the value for the min voltage.Set this one to 0x00 if VC without PWM or no VC at all.
 
+
 usInterNBVoltageLow:    Voltage regulator dependent PWM value. The value makes the the voltage >=Min NB voltage but <=InterNBVoltageHigh. Set this to 0x0000 if VC without PWM or no VC at all.
 usInterNBVoltageHigh:   Voltage regulator dependent PWM value. The value makes the the voltage >=InterNBVoltageLow but <=Max NB voltage.Set this to 0x0000 if VC without PWM or no VC at all.
 */
 
+
 /*
 The following IGP table is introduced from RS780, which is supposed to be put by SBIOS in FB before IGP VBIOS starts VPOST;
-Then VBIOS will copy the whole structure to its image so all GPU SW components can access this data structure to get whatever they need.
+Then VBIOS will copy the whole structure to its image so all GPU SW components can access this data structure to get whatever they need. 
 The enough reservation should allow us to never change table revisions. Whenever needed, a GPU SW component can use reserved portion for new data entries.
 
 SW components can access the IGP system infor structure in the same way as before
 */
 
-typedef struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ULONG ulBootUpEngineClock;	/* in 10kHz unit */
-	ULONG ulReserved1[2];	/* must be 0x0 for the reserved */
-	ULONG ulBootUpUMAClock;	/* in 10kHz unit */
-	ULONG ulBootUpSidePortClock;	/* in 10kHz unit */
-	ULONG ulMinSidePortClock;	/* in 10kHz unit */
-	ULONG ulReserved2[6];	/* must be 0x0 for the reserved */
-	ULONG ulSystemConfig;	/* see explanation below */
-	ULONG ulBootUpReqDisplayVector;
-	ULONG ulOtherDisplayMisc;
-	ULONG ulDDISlot1Config;
-	ULONG ulDDISlot2Config;
-	UCHAR ucMemoryType;	/* [3:0]=1:DDR1;=2:DDR2;=3:DDR3.[7:4] is reserved */
-	UCHAR ucUMAChannelNumber;
-	UCHAR ucDockingPinBit;
-	UCHAR ucDockingPinPolarity;
-	ULONG ulDockingPinCFGInfo;
-	ULONG ulCPUCapInfo;
-	USHORT usNumberOfCyclesInPeriod;
-	USHORT usMaxNBVoltage;
-	USHORT usMinNBVoltage;
-	USHORT usBootUpNBVoltage;
-	ULONG ulHTLinkFreq;	/* in 10Khz */
-	USHORT usMinHTLinkWidth;
-	USHORT usMaxHTLinkWidth;
-	USHORT usUMASyncStartDelay;
-	USHORT usUMADataReturnTime;
-	USHORT usLinkStatusZeroTime;
-	USHORT usReserved;
-	ULONG ulHighVoltageHTLinkFreq;	/*  in 10Khz */
-	ULONG ulLowVoltageHTLinkFreq;	/*  in 10Khz */
-	USHORT usMaxUpStreamHTLinkWidth;
-	USHORT usMaxDownStreamHTLinkWidth;
-	USHORT usMinUpStreamHTLinkWidth;
-	USHORT usMinDownStreamHTLinkWidth;
-	ULONG ulReserved3[97];	/* must be 0x0 */
-} ATOM_INTEGRATED_SYSTEM_INFO_V2;
+
+typedef struct _ATOM_INTEGRATED_SYSTEM_INFO_V2
+{
+  ATOM_COMMON_TABLE_HEADER   sHeader;
+  ULONG	                     ulBootUpEngineClock;       //in 10kHz unit
+  ULONG			     ulReserved1[2];            //must be 0x0 for the reserved
+  ULONG	                     ulBootUpUMAClock;          //in 10kHz unit
+  ULONG	                     ulBootUpSidePortClock;     //in 10kHz unit
+  ULONG	                     ulMinSidePortClock;        //in 10kHz unit
+  ULONG			     ulReserved2[6];            //must be 0x0 for the reserved
+  ULONG                      ulSystemConfig;            //see explanation below
+  ULONG                      ulBootUpReqDisplayVector;
+  ULONG                      ulOtherDisplayMisc;
+  ULONG                      ulDDISlot1Config;
+  ULONG                      ulDDISlot2Config;
+  UCHAR                      ucMemoryType;              //[3:0]=1:DDR1;=2:DDR2;=3:DDR3.[7:4] is reserved
+  UCHAR                      ucUMAChannelNumber;
+  UCHAR                      ucDockingPinBit;
+  UCHAR                      ucDockingPinPolarity;
+  ULONG                      ulDockingPinCFGInfo;
+  ULONG                      ulCPUCapInfo;
+  USHORT                     usNumberOfCyclesInPeriod;
+  USHORT                     usMaxNBVoltage;
+  USHORT                     usMinNBVoltage;
+  USHORT                     usBootUpNBVoltage;
+  ULONG                      ulHTLinkFreq;              //in 10Khz
+  USHORT                     usMinHTLinkWidth;
+  USHORT                     usMaxHTLinkWidth;
+  USHORT                     usUMASyncStartDelay;
+  USHORT                     usUMADataReturnTime;
+  USHORT                     usLinkStatusZeroTime;
+  USHORT                     usDACEfuse;				//for storing badgap value (for RS880 only)
+  ULONG                      ulHighVoltageHTLinkFreq;     // in 10Khz
+  ULONG                      ulLowVoltageHTLinkFreq;      // in 10Khz
+  USHORT                     usMaxUpStreamHTLinkWidth;
+  USHORT                     usMaxDownStreamHTLinkWidth;
+  USHORT                     usMinUpStreamHTLinkWidth;
+  USHORT                     usMinDownStreamHTLinkWidth;
+  USHORT                     usFirmwareVersion;         //0 means FW is not supported. Otherwise it's the FW version loaded by SBIOS and driver should enable FW.
+  USHORT                     usFullT0Time;             // Input to calculate minimum HT link change time required by NB P-State. Unit is 0.01us.
+  ULONG                      ulReserved3[96];          //must be 0x0
+}ATOM_INTEGRATED_SYSTEM_INFO_V2;   
 
 /*
 ulBootUpEngineClock:   Boot-up Engine Clock in 10Khz;
 ulBootUpUMAClock:      Boot-up UMA Clock in 10Khz; it must be 0x0 when UMA is not present
 ulBootUpSidePortClock: Boot-up SidePort Clock in 10Khz; it must be 0x0 when SidePort Memory is not present,this could be equal to or less than maximum supported Sideport memory clock
 
-ulSystemConfig:
-Bit[0]=1: PowerExpress mode =0 Non-PowerExpress mode;
+ulSystemConfig:  
+Bit[0]=1: PowerExpress mode =0 Non-PowerExpress mode; 
 Bit[1]=1: system boots up at AMD overdrived state or user customized  mode. In this case, driver will just stick to this boot-up mode. No other PowerPlay state
       =0: system boots up at driver control state. Power state depends on PowerPlay table.
 Bit[2]=1: PWM method is used on NB voltage control. =0: GPIO method is used.
 Bit[3]=1: Only one power state(Performance) will be supported.
       =0: Multiple power states supported from PowerPlay table.
-Bit[4]=1: CLMC is supported and enabled on current system.
-      =0: CLMC is not supported or enabled on current system. SBIOS need to support HT link/freq change through ATIF interface.
-Bit[5]=1: Enable CDLW for all driver control power states. Max HT width is from SBIOS, while Min HT width is determined by display requirement.
+Bit[4]=1: CLMC is supported and enabled on current system. 
+      =0: CLMC is not supported or enabled on current system. SBIOS need to support HT link/freq change through ATIF interface.  
+Bit[5]=1: Enable CDLW for all driver control power states. Max HT width is from SBIOS, while Min HT width is determined by display requirement.  
       =0: CDLW is disabled. If CLMC is enabled case, Min HT width will be set equal to Max HT width. If CLMC disabled case, Max HT width will be applied.
 Bit[6]=1: High Voltage requested for all power states. In this case, voltage will be forced at 1.1v and powerplay table voltage drop/throttling request will be ignored.
       =0: Voltage settings is determined by powerplay table.
 Bit[7]=1: Enable CLMC as hybrid Mode. CDLD and CILR will be disabled in this case and we're using legacy C1E. This is workaround for CPU(Griffin) performance issue.
       =0: Enable CLMC as regular mode, CDLD and CILR will be enabled.
+Bit[8]=1: CDLF is supported and enabled on current system.
+      =0: CDLF is not supported or enabled on current system.
+Bit[9]=1: DLL Shut Down feature is enabled on current system.
+      =0: DLL Shut Down feature is not enabled or supported on current system.
 
 ulBootUpReqDisplayVector: This dword is a bit vector indicates what display devices are requested during boot-up. Refer to ATOM_DEVICE_xxx_SUPPORT for the bit vector definitions.
 
 ulOtherDisplayMisc: [15:8]- Bootup LCD Expansion selection; 0-center, 1-full panel size expansion;
-			              [7:0] - BootupTV standard selection; This is a bit vector to indicate what TV standards are supported by the system. Refer to ucTVSuppportedStd definition;
+			              [7:0] - BootupTV standard selection; This is a bit vector to indicate what TV standards are supported by the system. Refer to ucTVSupportedStd definition;
 
 ulDDISlot1Config: Describes the PCIE lane configuration on this DDI PCIE slot (ADD2 card) or connector (Mobile design).
       [3:0]  - Bit vector to indicate PCIE lane config of the DDI slot/connector on chassis (bit 0=1 lane 3:0; bit 1=1 lane 7:4; bit 2=1 lane 11:8; bit 3=1 lane 15:12)
-			[7:4]  - Bit vector to indicate PCIE lane config of the same DDI slot/connector on docking station (bit 0=1 lane 3:0; bit 1=1 lane 7:4; bit 2=1 lane 11:8; bit 3=1 lane 15:12)
-			[15:8] - Lane configuration attribute;
+			[7:4]  - Bit vector to indicate PCIE lane config of the same DDI slot/connector on docking station (bit 4=1 lane 3:0; bit 5=1 lane 7:4; bit 6=1 lane 11:8; bit 7=1 lane 15:12)
+      When a DDI connector is not "paired" (meaming two connections mutualexclusive on chassis or docking, only one of them can be connected at one time.
+      in both chassis and docking, SBIOS has to duplicate the same PCIE lane info from chassis to docking or vice versa. For example:
+      one DDI connector is only populated in docking with PCIE lane 8-11, but there is no paired connection on chassis, SBIOS has to copy bit 6 to bit 2.
+
+			[15:8] - Lane configuration attribute; 
       [23:16]- Connector type, possible value:
                CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D
                CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D
                CONNECTOR_OBJECT_ID_HDMI_TYPE_A
                CONNECTOR_OBJECT_ID_DISPLAYPORT
+               CONNECTOR_OBJECT_ID_eDP
 			[31:24]- Reserved
 
 ulDDISlot2Config: Same as Slot1.
@@ -1787,29 +2208,31 @@ For IGP, Hypermemory is the only memory type showed in CCC.
 
 ucUMAChannelNumber:  how many channels for the UMA;
 
-ulDockingPinCFGInfo: [15:0]-Bus/Device/Function # to CFG to read this Docking Pin; [31:16]-reg offset in CFG to read this pin
+ulDockingPinCFGInfo: [15:0]-Bus/Device/Function # to CFG to read this Docking Pin; [31:16]-reg offset in CFG to read this pin 
 ucDockingPinBit:     which bit in this register to read the pin status;
 ucDockingPinPolarity:Polarity of the pin when docked;
 
 ulCPUCapInfo:        [7:0]=1:Griffin;[7:0]=2:Greyhound;[7:0]=3:K8, other bits reserved for now and must be 0x0
 
 usNumberOfCyclesInPeriod:Indicate how many cycles when PWM duty is 100%.
-usMaxNBVoltage:Max. voltage control value in either PWM or GPIO mode.
+
+usMaxNBVoltage:Max. voltage control value in either PWM or GPIO mode. 
 usMinNBVoltage:Min. voltage control value in either PWM or GPIO mode.
                     GPIO mode: both usMaxNBVoltage & usMinNBVoltage have a valid value ulSystemConfig.SYSTEM_CONFIG_USE_PWM_ON_VOLTAGE=0
                     PWM mode: both usMaxNBVoltage & usMinNBVoltage have a valid value ulSystemConfig.SYSTEM_CONFIG_USE_PWM_ON_VOLTAGE=1
                     GPU SW don't control mode: usMaxNBVoltage & usMinNBVoltage=0 and no care about ulSystemConfig.SYSTEM_CONFIG_USE_PWM_ON_VOLTAGE
+
 usBootUpNBVoltage:Boot-up voltage regulator dependent PWM value.
 
 ulHTLinkFreq:       Bootup HT link Frequency in 10Khz.
-usMinHTLinkWidth:   Bootup minimum HT link width. If CDLW disabled, this is equal to usMaxHTLinkWidth.
-                    If CDLW enabled, both upstream and downstream width should be the same during bootup.
-usMaxHTLinkWidth:   Bootup maximum HT link width. If CDLW disabled, this is equal to usMinHTLinkWidth.
+usMinHTLinkWidth:   Bootup minimum HT link width. If CDLW disabled, this is equal to usMaxHTLinkWidth. 
                     If CDLW enabled, both upstream and downstream width should be the same during bootup.
+usMaxHTLinkWidth:   Bootup maximum HT link width. If CDLW disabled, this is equal to usMinHTLinkWidth. 
+                    If CDLW enabled, both upstream and downstream width should be the same during bootup.  
 
-usUMASyncStartDelay: Memory access latency, required for watermark calculation
+usUMASyncStartDelay: Memory access latency, required for watermark calculation 
 usUMADataReturnTime: Memory access latency, required for watermark calculation
-usLinkStatusZeroTime:Memory access latency required for watermark calculation, set this to 0x0 for K8 CPU, set a proper value in 0.01 the unit of us
+usLinkStatusZeroTime:Memory access latency required for watermark calculation, set this to 0x0 for K8 CPU, set a proper value in 0.01 the unit of us 
 for Griffin or Greyhound. SBIOS needs to convert to actual time by:
                      if T0Ttime [5:4]=00b, then usLinkStatusZeroTime=T0Ttime [3:0]*0.1us (0.0 to 1.5us)
                      if T0Ttime [5:4]=01b, then usLinkStatusZeroTime=T0Ttime [3:0]*0.5us (0.0 to 7.5us)
@@ -1817,7 +2240,7 @@ for Griffin or Greyhound. SBIOS needs to convert to actual time by:
                      if T0Ttime [5:4]=11b, and T0Ttime [3:0]=0x0 to 0xa, then usLinkStatusZeroTime=T0Ttime [3:0]*20us (0.0 to 200us)
 
 ulHighVoltageHTLinkFreq:     HT link frequency for power state with low voltage. If boot up runs in HT1, this must be 0.
-                             This must be less than or equal to ulHTLinkFreq(bootup frequency).
+                             This must be less than or equal to ulHTLinkFreq(bootup frequency). 
 ulLowVoltageHTLinkFreq:      HT link frequency for power state with low voltage or voltage scaling 1.0v~1.1v. If boot up runs in HT1, this must be 0.
                              This must be less than or equal to ulHighVoltageHTLinkFreq.
 
@@ -1827,14 +2250,17 @@ usMinUpStreamHTLinkWidth:    Asymmetric link width support in the future, to rep
 usMinDownStreamHTLinkWidth:  same as above.
 */
 
+
 #define SYSTEM_CONFIG_POWEREXPRESS_ENABLE                 0x00000001
 #define SYSTEM_CONFIG_RUN_AT_OVERDRIVE_ENGINE             0x00000002
-#define SYSTEM_CONFIG_USE_PWM_ON_VOLTAGE                  0x00000004
+#define SYSTEM_CONFIG_USE_PWM_ON_VOLTAGE                  0x00000004 
 #define SYSTEM_CONFIG_PERFORMANCE_POWERSTATE_ONLY         0x00000008
 #define SYSTEM_CONFIG_CLMC_ENABLED                        0x00000010
 #define SYSTEM_CONFIG_CDLW_ENABLED                        0x00000020
 #define SYSTEM_CONFIG_HIGH_VOLTAGE_REQUESTED              0x00000040
 #define SYSTEM_CONFIG_CLMC_HYBRID_MODE_ENABLED            0x00000080
+#define SYSTEM_CONFIG_CDLF_ENABLED                        0x00000100
+#define SYSTEM_CONFIG_DLL_SHUTDOWN_ENABLED                0x00000200
 
 #define IGP_DDI_SLOT_LANE_CONFIG_MASK                     0x000000FF
 
@@ -1851,6 +2277,41 @@ usMinDownStreamHTLinkWidth:  same as above.
 
 #define IGP_DDI_SLOT_CONNECTOR_TYPE_MASK                  0x00FF0000
 
+// IntegratedSystemInfoTable new Rev is V5 after V2, because of the real rev of V2 is v1.4. This rev is used for RR
+typedef struct _ATOM_INTEGRATED_SYSTEM_INFO_V5
+{
+  ATOM_COMMON_TABLE_HEADER   sHeader;
+  ULONG	                     ulBootUpEngineClock;       //in 10kHz unit
+  ULONG                      ulDentistVCOFreq;          //Dentist VCO clock in 10kHz unit, the source of GPU SCLK, LCLK, UCLK and VCLK. 
+  ULONG                      ulLClockFreq;              //GPU Lclk freq in 10kHz unit, have relationship with NCLK in NorthBridge
+  ULONG	                     ulBootUpUMAClock;          //in 10kHz unit
+  ULONG                      ulReserved1[8];            //must be 0x0 for the reserved
+  ULONG                      ulBootUpReqDisplayVector;
+  ULONG                      ulOtherDisplayMisc;
+  ULONG                      ulReserved2[4];            //must be 0x0 for the reserved
+  ULONG                      ulSystemConfig;            //TBD
+  ULONG                      ulCPUCapInfo;              //TBD
+  USHORT                     usMaxNBVoltage;            //high NB voltage, calculated using current VDDNB (D24F2xDC) and VDDNB offset fuse;
+  USHORT                     usMinNBVoltage;            //low NB voltage, calculated using current VDDNB (D24F2xDC) and VDDNB offset fuse;
+  USHORT                     usBootUpNBVoltage;         //boot up NB voltage
+  UCHAR                      ucHtcTmpLmt;               //bit [22:16] of D24F3x64 Hardware Thermal Control (HTC) Register, may not be needed, TBD
+  UCHAR                      ucTjOffset;                //bit [28:22] of D24F3xE4 Thermtrip Status Register,may not be needed, TBD
+  ULONG                      ulReserved3[4];            //must be 0x0 for the reserved
+  ULONG                      ulDDISlot1Config;          //see above ulDDISlot1Config definition
+  ULONG                      ulDDISlot2Config;
+  ULONG                      ulDDISlot3Config;
+  ULONG                      ulDDISlot4Config;
+  ULONG                      ulReserved4[4];            //must be 0x0 for the reserved
+  UCHAR                      ucMemoryType;              //[3:0]=1:DDR1;=2:DDR2;=3:DDR3.[7:4] is reserved
+  UCHAR                      ucUMAChannelNumber;
+  USHORT                     usReserved;
+  ULONG                      ulReserved5[4];            //must be 0x0 for the reserved
+  ULONG                      ulCSR_M3_ARB_CNTL_DEFAULT[10];//arrays with values for CSR M3 arbiter for default
+  ULONG                      ulCSR_M3_ARB_CNTL_UVD[10]; //arrays with values for CSR M3 arbiter for UVD playback
+  ULONG                      ulCSR_M3_ARB_CNTL_FS3D[10];//arrays with values for CSR M3 arbiter for Full Screen 3D applications
+  ULONG                      ulReserved6[61];           //must be 0x0
+}ATOM_INTEGRATED_SYSTEM_INFO_V5;   
+
 #define ATOM_CRT_INT_ENCODER1_INDEX                       0x00000000
 #define ATOM_LCD_INT_ENCODER1_INDEX                       0x00000001
 #define ATOM_TV_INT_ENCODER1_INDEX                        0x00000002
@@ -1866,8 +2327,8 @@ usMinDownStreamHTLinkWidth:  same as above.
 #define ATOM_DFP_INT_ENCODER3_INDEX                       0x0000000C
 #define ATOM_DFP_INT_ENCODER4_INDEX                       0x0000000D
 
-/*  define ASIC internal encoder id ( bit vector ) */
-#define ASIC_INT_DAC1_ENCODER_ID											0x00
+// define ASIC internal encoder id ( bit vector ), used for CRTC_SourceSelTable
+#define ASIC_INT_DAC1_ENCODER_ID    											0x00 
 #define ASIC_INT_TV_ENCODER_ID														0x02
 #define ASIC_INT_DIG1_ENCODER_ID													0x03
 #define ASIC_INT_DAC2_ENCODER_ID													0x04
@@ -1875,10 +2336,24 @@ usMinDownStreamHTLinkWidth:  same as above.
 #define ASIC_INT_DVO_ENCODER_ID														0x07
 #define ASIC_INT_DIG2_ENCODER_ID													0x09
 #define ASIC_EXT_DIG_ENCODER_ID														0x05
+#define ASIC_EXT_DIG2_ENCODER_ID													0x08
+#define ASIC_INT_DIG3_ENCODER_ID													0x0a
+#define ASIC_INT_DIG4_ENCODER_ID													0x0b
+#define ASIC_INT_DIG5_ENCODER_ID													0x0c
+#define ASIC_INT_DIG6_ENCODER_ID													0x0d
 
-/* define Encoder attribute */
+//define Encoder attribute
 #define ATOM_ANALOG_ENCODER																0
-#define ATOM_DIGITAL_ENCODER															1
+#define ATOM_DIGITAL_ENCODER															1		
+#define ATOM_DP_ENCODER															      2		
+
+#define ATOM_ENCODER_ENUM_MASK                            0x70
+#define ATOM_ENCODER_ENUM_ID1                             0x00
+#define ATOM_ENCODER_ENUM_ID2                             0x10
+#define ATOM_ENCODER_ENUM_ID3                             0x20
+#define ATOM_ENCODER_ENUM_ID4                             0x30
+#define ATOM_ENCODER_ENUM_ID5                             0x40 
+#define ATOM_ENCODER_ENUM_ID6                             0x50
 
 #define ATOM_DEVICE_CRT1_INDEX                            0x00000000
 #define ATOM_DEVICE_LCD1_INDEX                            0x00000001
@@ -1886,45 +2361,40 @@ usMinDownStreamHTLinkWidth:  same as above.
 #define ATOM_DEVICE_DFP1_INDEX                            0x00000003
 #define ATOM_DEVICE_CRT2_INDEX                            0x00000004
 #define ATOM_DEVICE_LCD2_INDEX                            0x00000005
-#define ATOM_DEVICE_TV2_INDEX                             0x00000006
+#define ATOM_DEVICE_DFP6_INDEX                            0x00000006
 #define ATOM_DEVICE_DFP2_INDEX                            0x00000007
 #define ATOM_DEVICE_CV_INDEX                              0x00000008
-#define ATOM_DEVICE_DFP3_INDEX														0x00000009
-#define ATOM_DEVICE_DFP4_INDEX														0x0000000A
-#define ATOM_DEVICE_DFP5_INDEX														0x0000000B
+#define ATOM_DEVICE_DFP3_INDEX                            0x00000009
+#define ATOM_DEVICE_DFP4_INDEX                            0x0000000A
+#define ATOM_DEVICE_DFP5_INDEX                            0x0000000B
+
 #define ATOM_DEVICE_RESERVEDC_INDEX                       0x0000000C
 #define ATOM_DEVICE_RESERVEDD_INDEX                       0x0000000D
 #define ATOM_DEVICE_RESERVEDE_INDEX                       0x0000000E
 #define ATOM_DEVICE_RESERVEDF_INDEX                       0x0000000F
 #define ATOM_MAX_SUPPORTED_DEVICE_INFO                    (ATOM_DEVICE_DFP3_INDEX+1)
 #define ATOM_MAX_SUPPORTED_DEVICE_INFO_2                  ATOM_MAX_SUPPORTED_DEVICE_INFO
-#define ATOM_MAX_SUPPORTED_DEVICE_INFO_3                  (ATOM_DEVICE_DFP5_INDEX + 1)
+#define ATOM_MAX_SUPPORTED_DEVICE_INFO_3                  (ATOM_DEVICE_DFP5_INDEX + 1 )
 
 #define ATOM_MAX_SUPPORTED_DEVICE                         (ATOM_DEVICE_RESERVEDF_INDEX+1)
 
-#define ATOM_DEVICE_CRT1_SUPPORT                          (0x1L << ATOM_DEVICE_CRT1_INDEX)
-#define ATOM_DEVICE_LCD1_SUPPORT                          (0x1L << ATOM_DEVICE_LCD1_INDEX)
-#define ATOM_DEVICE_TV1_SUPPORT                           (0x1L << ATOM_DEVICE_TV1_INDEX)
-#define ATOM_DEVICE_DFP1_SUPPORT                          (0x1L << ATOM_DEVICE_DFP1_INDEX)
-#define ATOM_DEVICE_CRT2_SUPPORT                          (0x1L << ATOM_DEVICE_CRT2_INDEX)
-#define ATOM_DEVICE_LCD2_SUPPORT                          (0x1L << ATOM_DEVICE_LCD2_INDEX)
-#define ATOM_DEVICE_TV2_SUPPORT                           (0x1L << ATOM_DEVICE_TV2_INDEX)
-#define ATOM_DEVICE_DFP2_SUPPORT                          (0x1L << ATOM_DEVICE_DFP2_INDEX)
-#define ATOM_DEVICE_CV_SUPPORT                            (0x1L << ATOM_DEVICE_CV_INDEX)
-#define ATOM_DEVICE_DFP3_SUPPORT													(0x1L << ATOM_DEVICE_DFP3_INDEX)
-#define ATOM_DEVICE_DFP4_SUPPORT													(0x1L << ATOM_DEVICE_DFP4_INDEX )
-#define ATOM_DEVICE_DFP5_SUPPORT													(0x1L << ATOM_DEVICE_DFP5_INDEX)
-
-#define ATOM_DEVICE_CRT_SUPPORT \
-	(ATOM_DEVICE_CRT1_SUPPORT | ATOM_DEVICE_CRT2_SUPPORT)
-#define ATOM_DEVICE_DFP_SUPPORT \
-	(ATOM_DEVICE_DFP1_SUPPORT | ATOM_DEVICE_DFP2_SUPPORT | \
-	 ATOM_DEVICE_DFP3_SUPPORT | ATOM_DEVICE_DFP4_SUPPORT | \
-	 ATOM_DEVICE_DFP5_SUPPORT)
-#define ATOM_DEVICE_TV_SUPPORT \
-	(ATOM_DEVICE_TV1_SUPPORT  | ATOM_DEVICE_TV2_SUPPORT)
-#define ATOM_DEVICE_LCD_SUPPORT \
-	(ATOM_DEVICE_LCD1_SUPPORT | ATOM_DEVICE_LCD2_SUPPORT)
+#define ATOM_DEVICE_CRT1_SUPPORT                          (0x1L << ATOM_DEVICE_CRT1_INDEX )
+#define ATOM_DEVICE_LCD1_SUPPORT                          (0x1L << ATOM_DEVICE_LCD1_INDEX )
+#define ATOM_DEVICE_TV1_SUPPORT                           (0x1L << ATOM_DEVICE_TV1_INDEX  )
+#define ATOM_DEVICE_DFP1_SUPPORT                          (0x1L << ATOM_DEVICE_DFP1_INDEX )
+#define ATOM_DEVICE_CRT2_SUPPORT                          (0x1L << ATOM_DEVICE_CRT2_INDEX )
+#define ATOM_DEVICE_LCD2_SUPPORT                          (0x1L << ATOM_DEVICE_LCD2_INDEX )
+#define ATOM_DEVICE_DFP6_SUPPORT                          (0x1L << ATOM_DEVICE_DFP6_INDEX )
+#define ATOM_DEVICE_DFP2_SUPPORT                          (0x1L << ATOM_DEVICE_DFP2_INDEX )
+#define ATOM_DEVICE_CV_SUPPORT                            (0x1L << ATOM_DEVICE_CV_INDEX   )
+#define ATOM_DEVICE_DFP3_SUPPORT                          (0x1L << ATOM_DEVICE_DFP3_INDEX )
+#define ATOM_DEVICE_DFP4_SUPPORT                          (0x1L << ATOM_DEVICE_DFP4_INDEX )
+#define ATOM_DEVICE_DFP5_SUPPORT                          (0x1L << ATOM_DEVICE_DFP5_INDEX )
+
+#define ATOM_DEVICE_CRT_SUPPORT                           (ATOM_DEVICE_CRT1_SUPPORT | ATOM_DEVICE_CRT2_SUPPORT)
+#define ATOM_DEVICE_DFP_SUPPORT                           (ATOM_DEVICE_DFP1_SUPPORT | ATOM_DEVICE_DFP2_SUPPORT |  ATOM_DEVICE_DFP3_SUPPORT | ATOM_DEVICE_DFP4_SUPPORT | ATOM_DEVICE_DFP5_SUPPORT | ATOM_DEVICE_DFP6_SUPPORT)
+#define ATOM_DEVICE_TV_SUPPORT                            (ATOM_DEVICE_TV1_SUPPORT)
+#define ATOM_DEVICE_LCD_SUPPORT                           (ATOM_DEVICE_LCD1_SUPPORT | ATOM_DEVICE_LCD2_SUPPORT)
 
 #define ATOM_DEVICE_CONNECTOR_TYPE_MASK                   0x000000F0
 #define ATOM_DEVICE_CONNECTOR_TYPE_SHIFT                  0x00000004
@@ -1942,6 +2412,7 @@ usMinDownStreamHTLinkWidth:  same as above.
 #define ATOM_DEVICE_CONNECTOR_CASE_1                      0x0000000E
 #define ATOM_DEVICE_CONNECTOR_DISPLAYPORT                 0x0000000F
 
+
 #define ATOM_DEVICE_DAC_INFO_MASK                         0x0000000F
 #define ATOM_DEVICE_DAC_INFO_SHIFT                        0x00000000
 #define ATOM_DEVICE_DAC_INFO_NODAC                        0x00000000
@@ -1958,139 +2429,150 @@ usMinDownStreamHTLinkWidth:  same as above.
 #define ATOM_DEVICE_I2C_ID_SHIFT                          0x00000004
 #define ATOM_DEVICE_I2C_ID_IS_FOR_NON_MM_USE              0x00000001
 #define ATOM_DEVICE_I2C_ID_IS_FOR_MM_USE                  0x00000002
-#define ATOM_DEVICE_I2C_ID_IS_FOR_SDVO_USE                0x00000003	/* For IGP RS600 */
-#define ATOM_DEVICE_I2C_ID_IS_FOR_DAC_SCL                 0x00000004	/* For IGP RS690 */
+#define ATOM_DEVICE_I2C_ID_IS_FOR_SDVO_USE                0x00000003    //For IGP RS600
+#define ATOM_DEVICE_I2C_ID_IS_FOR_DAC_SCL                 0x00000004    //For IGP RS690
 
 #define ATOM_DEVICE_I2C_HARDWARE_CAP_MASK                 0x00000080
 #define ATOM_DEVICE_I2C_HARDWARE_CAP_SHIFT                0x00000007
 #define	ATOM_DEVICE_USES_SOFTWARE_ASSISTED_I2C            0x00000000
 #define	ATOM_DEVICE_USES_HARDWARE_ASSISTED_I2C            0x00000001
 
-/*   usDeviceSupport: */
-/*   Bits0       = 0 - no CRT1 support= 1- CRT1 is supported */
-/*   Bit 1       = 0 - no LCD1 support= 1- LCD1 is supported */
-/*   Bit 2       = 0 - no TV1  support= 1- TV1  is supported */
-/*   Bit 3       = 0 - no DFP1 support= 1- DFP1 is supported */
-/*   Bit 4       = 0 - no CRT2 support= 1- CRT2 is supported */
-/*   Bit 5       = 0 - no LCD2 support= 1- LCD2 is supported */
-/*   Bit 6       = 0 - no TV2  support= 1- TV2  is supported */
-/*   Bit 7       = 0 - no DFP2 support= 1- DFP2 is supported */
-/*   Bit 8       = 0 - no CV   support= 1- CV   is supported */
-/*   Bit 9       = 0 - no DFP3 support= 1- DFP3 is supported */
-/*   Byte1 (Supported Device Info) */
-/*   Bit 0       = = 0 - no CV support= 1- CV is supported */
-/*  */
-/*  */
-
-/*               ucI2C_ConfigID */
-/*     [7:0] - I2C LINE Associate ID */
-/*           = 0   - no I2C */
-/*     [7]               -       HW_Cap        = 1,  [6:0]=HW assisted I2C ID(HW line selection) */
-/*                           =   0,  [6:0]=SW assisted I2C ID */
-/*     [6-4]     - HW_ENGINE_ID  =       1,  HW engine for NON multimedia use */
-/*                           =   2,      HW engine for Multimedia use */
-/*                           =   3-7     Reserved for future I2C engines */
-/*               [3-0] - I2C_LINE_MUX  = A Mux number when it's HW assisted I2C or GPIO ID when it's SW I2C */
-
-typedef struct _ATOM_I2C_ID_CONFIG {
-#if ATOM_BIG_ENDIAN
-	UCHAR bfHW_Capable:1;
-	UCHAR bfHW_EngineID:3;
-	UCHAR bfI2C_LineMux:4;
-#else
-	UCHAR bfI2C_LineMux:4;
-	UCHAR bfHW_EngineID:3;
-	UCHAR bfHW_Capable:1;
-#endif
-} ATOM_I2C_ID_CONFIG;
-
-typedef union _ATOM_I2C_ID_CONFIG_ACCESS {
-	ATOM_I2C_ID_CONFIG sbfAccess;
-	UCHAR ucAccess;
-} ATOM_I2C_ID_CONFIG_ACCESS;
+//  usDeviceSupport:
+//  Bits0	= 0 - no CRT1 support= 1- CRT1 is supported
+//  Bit 1	= 0 - no LCD1 support= 1- LCD1 is supported
+//  Bit 2	= 0 - no TV1  support= 1- TV1  is supported
+//  Bit 3	= 0 - no DFP1 support= 1- DFP1 is supported
+//  Bit 4	= 0 - no CRT2 support= 1- CRT2 is supported
+//  Bit 5	= 0 - no LCD2 support= 1- LCD2 is supported
+//  Bit 6	= 0 - no DFP6 support= 1- DFP6 is supported
+//  Bit 7	= 0 - no DFP2 support= 1- DFP2 is supported
+//  Bit 8	= 0 - no CV   support= 1- CV   is supported
+//  Bit 9	= 0 - no DFP3 support= 1- DFP3 is supported
+//  Bit 10      = 0 - no DFP4 support= 1- DFP4 is supported
+//  Bit 11      = 0 - no DFP5 support= 1- DFP5 is supported
+//   
+//  
 
 /****************************************************************************/
-/*  Structure used in GPIO_I2C_InfoTable */
+/* Structure used in MclkSS_InfoTable                                       */
 /****************************************************************************/
-typedef struct _ATOM_GPIO_I2C_ASSIGMENT {
-	USHORT usClkMaskRegisterIndex;
-	USHORT usClkEnRegisterIndex;
-	USHORT usClkY_RegisterIndex;
-	USHORT usClkA_RegisterIndex;
-	USHORT usDataMaskRegisterIndex;
-	USHORT usDataEnRegisterIndex;
-	USHORT usDataY_RegisterIndex;
-	USHORT usDataA_RegisterIndex;
-	ATOM_I2C_ID_CONFIG_ACCESS sucI2cId;
-	UCHAR ucClkMaskShift;
-	UCHAR ucClkEnShift;
-	UCHAR ucClkY_Shift;
-	UCHAR ucClkA_Shift;
-	UCHAR ucDataMaskShift;
-	UCHAR ucDataEnShift;
-	UCHAR ucDataY_Shift;
-	UCHAR ucDataA_Shift;
-	UCHAR ucReserved1;
-	UCHAR ucReserved2;
-} ATOM_GPIO_I2C_ASSIGMENT;
-
-typedef struct _ATOM_GPIO_I2C_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_GPIO_I2C_ASSIGMENT asGPIO_Info[ATOM_MAX_SUPPORTED_DEVICE];
-} ATOM_GPIO_I2C_INFO;
+//		ucI2C_ConfigID
+//    [7:0] - I2C LINE Associate ID
+//          = 0   - no I2C
+//    [7]		-	HW_Cap        =	1,  [6:0]=HW assisted I2C ID(HW line selection)
+//                          =	0,  [6:0]=SW assisted I2C ID
+//    [6-4]	- HW_ENGINE_ID  =	1,  HW engine for NON multimedia use
+//                          =	2,	HW engine for Multimedia use
+//                          =	3-7	Reserved for future I2C engines
+//		[3-0] - I2C_LINE_MUX  = A Mux number when it's HW assisted I2C or GPIO ID when it's SW I2C
+
+typedef struct _ATOM_I2C_ID_CONFIG
+{
+#if ATOM_BIG_ENDIAN
+  UCHAR   bfHW_Capable:1;
+  UCHAR   bfHW_EngineID:3;
+  UCHAR   bfI2C_LineMux:4;
+#else
+  UCHAR   bfI2C_LineMux:4;
+  UCHAR   bfHW_EngineID:3;
+  UCHAR   bfHW_Capable:1;
+#endif
+}ATOM_I2C_ID_CONFIG;
 
-/****************************************************************************/
-/*  Common Structure used in other structures */
-/****************************************************************************/
+typedef union _ATOM_I2C_ID_CONFIG_ACCESS
+{
+  ATOM_I2C_ID_CONFIG sbfAccess;
+  UCHAR              ucAccess;
+}ATOM_I2C_ID_CONFIG_ACCESS;
+   
+
+/****************************************************************************/	
+// Structure used in GPIO_I2C_InfoTable
+/****************************************************************************/	
+typedef struct _ATOM_GPIO_I2C_ASSIGMENT
+{
+  USHORT                    usClkMaskRegisterIndex;
+  USHORT                    usClkEnRegisterIndex;
+  USHORT                    usClkY_RegisterIndex;
+  USHORT                    usClkA_RegisterIndex;
+  USHORT                    usDataMaskRegisterIndex;
+  USHORT                    usDataEnRegisterIndex;
+  USHORT                    usDataY_RegisterIndex;
+  USHORT                    usDataA_RegisterIndex;
+  ATOM_I2C_ID_CONFIG_ACCESS sucI2cId;
+  UCHAR                     ucClkMaskShift;
+  UCHAR                     ucClkEnShift;
+  UCHAR                     ucClkY_Shift;
+  UCHAR                     ucClkA_Shift;
+  UCHAR                     ucDataMaskShift;
+  UCHAR                     ucDataEnShift;
+  UCHAR                     ucDataY_Shift;
+  UCHAR                     ucDataA_Shift;
+  UCHAR                     ucReserved1;
+  UCHAR                     ucReserved2;
+}ATOM_GPIO_I2C_ASSIGMENT;
+
+typedef struct _ATOM_GPIO_I2C_INFO
+{ 
+  ATOM_COMMON_TABLE_HEADER	sHeader;
+  ATOM_GPIO_I2C_ASSIGMENT   asGPIO_Info[ATOM_MAX_SUPPORTED_DEVICE];
+}ATOM_GPIO_I2C_INFO;
+
+/****************************************************************************/	
+// Common Structure used in other structures
+/****************************************************************************/	
 
 #ifndef _H2INC
-
-/* Please don't add or expand this bitfield structure below, this one will retire soon.! */
-typedef struct _ATOM_MODE_MISC_INFO {
+  
+//Please don't add or expand this bitfield structure below, this one will retire soon.!
+typedef struct _ATOM_MODE_MISC_INFO
+{ 
 #if ATOM_BIG_ENDIAN
-	USHORT Reserved:6;
-	USHORT RGB888:1;
-	USHORT DoubleClock:1;
-	USHORT Interlace:1;
-	USHORT CompositeSync:1;
-	USHORT V_ReplicationBy2:1;
-	USHORT H_ReplicationBy2:1;
-	USHORT VerticalCutOff:1;
-	USHORT VSyncPolarity:1;	/* 0=Active High, 1=Active Low */
-	USHORT HSyncPolarity:1;	/* 0=Active High, 1=Active Low */
-	USHORT HorizontalCutOff:1;
+  USHORT Reserved:6;
+  USHORT RGB888:1;
+  USHORT DoubleClock:1;
+  USHORT Interlace:1;
+  USHORT CompositeSync:1;
+  USHORT V_ReplicationBy2:1;
+  USHORT H_ReplicationBy2:1;
+  USHORT VerticalCutOff:1;
+  USHORT VSyncPolarity:1;      //0=Active High, 1=Active Low
+  USHORT HSyncPolarity:1;      //0=Active High, 1=Active Low
+  USHORT HorizontalCutOff:1;
 #else
-	USHORT HorizontalCutOff:1;
-	USHORT HSyncPolarity:1;	/* 0=Active High, 1=Active Low */
-	USHORT VSyncPolarity:1;	/* 0=Active High, 1=Active Low */
-	USHORT VerticalCutOff:1;
-	USHORT H_ReplicationBy2:1;
-	USHORT V_ReplicationBy2:1;
-	USHORT CompositeSync:1;
-	USHORT Interlace:1;
-	USHORT DoubleClock:1;
-	USHORT RGB888:1;
-	USHORT Reserved:6;
+  USHORT HorizontalCutOff:1;
+  USHORT HSyncPolarity:1;      //0=Active High, 1=Active Low
+  USHORT VSyncPolarity:1;      //0=Active High, 1=Active Low
+  USHORT VerticalCutOff:1;
+  USHORT H_ReplicationBy2:1;
+  USHORT V_ReplicationBy2:1;
+  USHORT CompositeSync:1;
+  USHORT Interlace:1;
+  USHORT DoubleClock:1;
+  USHORT RGB888:1;
+  USHORT Reserved:6;           
 #endif
-} ATOM_MODE_MISC_INFO;
-
-typedef union _ATOM_MODE_MISC_INFO_ACCESS {
-	ATOM_MODE_MISC_INFO sbfAccess;
-	USHORT usAccess;
-} ATOM_MODE_MISC_INFO_ACCESS;
-
+}ATOM_MODE_MISC_INFO;
+  
+typedef union _ATOM_MODE_MISC_INFO_ACCESS
+{ 
+  ATOM_MODE_MISC_INFO sbfAccess;
+  USHORT              usAccess;
+}ATOM_MODE_MISC_INFO_ACCESS;
+  
 #else
-
-typedef union _ATOM_MODE_MISC_INFO_ACCESS {
-	USHORT usAccess;
-} ATOM_MODE_MISC_INFO_ACCESS;
-
+  
+typedef union _ATOM_MODE_MISC_INFO_ACCESS
+{ 
+  USHORT              usAccess;
+}ATOM_MODE_MISC_INFO_ACCESS;
+   
 #endif
 
-/*  usModeMiscInfo- */
+// usModeMiscInfo-
 #define ATOM_H_CUTOFF           0x01
-#define ATOM_HSYNC_POLARITY     0x02	/* 0=Active High, 1=Active Low */
-#define ATOM_VSYNC_POLARITY     0x04	/* 0=Active High, 1=Active Low */
+#define ATOM_HSYNC_POLARITY     0x02             //0=Active High, 1=Active Low
+#define ATOM_VSYNC_POLARITY     0x04             //0=Active High, 1=Active Low
 #define ATOM_V_CUTOFF           0x08
 #define ATOM_H_REPLICATIONBY2   0x10
 #define ATOM_V_REPLICATIONBY2   0x20
@@ -2099,10 +2581,10 @@ typedef union _ATOM_MODE_MISC_INFO_ACCESS {
 #define ATOM_DOUBLE_CLOCK_MODE  0x100
 #define ATOM_RGB888_MODE        0x200
 
-/* usRefreshRate- */
+//usRefreshRate-
 #define ATOM_REFRESH_43         43
 #define ATOM_REFRESH_47         47
-#define ATOM_REFRESH_56         56
+#define ATOM_REFRESH_56         56	
 #define ATOM_REFRESH_60         60
 #define ATOM_REFRESH_65         65
 #define ATOM_REFRESH_70         70
@@ -2110,192 +2592,233 @@ typedef union _ATOM_MODE_MISC_INFO_ACCESS {
 #define ATOM_REFRESH_75         75
 #define ATOM_REFRESH_85         85
 
-/*  ATOM_MODE_TIMING data are exactly the same as VESA timing data. */
-/*  Translation from EDID to ATOM_MODE_TIMING, use the following formula. */
-/*  */
-/*       VESA_HTOTAL                     =       VESA_ACTIVE + 2* VESA_BORDER + VESA_BLANK */
-/*                                               =       EDID_HA + EDID_HBL */
-/*       VESA_HDISP                      =       VESA_ACTIVE     =       EDID_HA */
-/*       VESA_HSYNC_START        =       VESA_ACTIVE + VESA_BORDER + VESA_FRONT_PORCH */
-/*                                               =       EDID_HA + EDID_HSO */
-/*       VESA_HSYNC_WIDTH        =       VESA_HSYNC_TIME =       EDID_HSPW */
-/*       VESA_BORDER                     =       EDID_BORDER */
-
-/****************************************************************************/
-/*  Structure used in SetCRTC_UsingDTDTimingTable */
-/****************************************************************************/
-typedef struct _SET_CRTC_USING_DTD_TIMING_PARAMETERS {
-	USHORT usH_Size;
-	USHORT usH_Blanking_Time;
-	USHORT usV_Size;
-	USHORT usV_Blanking_Time;
-	USHORT usH_SyncOffset;
-	USHORT usH_SyncWidth;
-	USHORT usV_SyncOffset;
-	USHORT usV_SyncWidth;
-	ATOM_MODE_MISC_INFO_ACCESS susModeMiscInfo;
-	UCHAR ucH_Border;	/*  From DFP EDID */
-	UCHAR ucV_Border;
-	UCHAR ucCRTC;		/*  ATOM_CRTC1 or ATOM_CRTC2 */
-	UCHAR ucPadding[3];
-} SET_CRTC_USING_DTD_TIMING_PARAMETERS;
-
-/****************************************************************************/
-/*  Structure used in SetCRTC_TimingTable */
-/****************************************************************************/
-typedef struct _SET_CRTC_TIMING_PARAMETERS {
-	USHORT usH_Total;	/*  horizontal total */
-	USHORT usH_Disp;	/*  horizontal display */
-	USHORT usH_SyncStart;	/*  horozontal Sync start */
-	USHORT usH_SyncWidth;	/*  horizontal Sync width */
-	USHORT usV_Total;	/*  vertical total */
-	USHORT usV_Disp;	/*  vertical display */
-	USHORT usV_SyncStart;	/*  vertical Sync start */
-	USHORT usV_SyncWidth;	/*  vertical Sync width */
-	ATOM_MODE_MISC_INFO_ACCESS susModeMiscInfo;
-	UCHAR ucCRTC;		/*  ATOM_CRTC1 or ATOM_CRTC2 */
-	UCHAR ucOverscanRight;	/*  right */
-	UCHAR ucOverscanLeft;	/*  left */
-	UCHAR ucOverscanBottom;	/*  bottom */
-	UCHAR ucOverscanTop;	/*  top */
-	UCHAR ucReserved;
-} SET_CRTC_TIMING_PARAMETERS;
+// ATOM_MODE_TIMING data are exactly the same as VESA timing data.
+// Translation from EDID to ATOM_MODE_TIMING, use the following formula.
+//
+//	VESA_HTOTAL			=	VESA_ACTIVE + 2* VESA_BORDER + VESA_BLANK
+//						=	EDID_HA + EDID_HBL
+//	VESA_HDISP			=	VESA_ACTIVE	=	EDID_HA
+//	VESA_HSYNC_START	=	VESA_ACTIVE + VESA_BORDER + VESA_FRONT_PORCH
+//						=	EDID_HA + EDID_HSO
+//	VESA_HSYNC_WIDTH	=	VESA_HSYNC_TIME	=	EDID_HSPW
+//	VESA_BORDER			=	EDID_BORDER
+
+/****************************************************************************/	
+// Structure used in SetCRTC_UsingDTDTimingTable
+/****************************************************************************/	
+typedef struct _SET_CRTC_USING_DTD_TIMING_PARAMETERS
+{
+  USHORT  usH_Size;
+  USHORT  usH_Blanking_Time;
+  USHORT  usV_Size;
+  USHORT  usV_Blanking_Time;			
+  USHORT  usH_SyncOffset;
+  USHORT  usH_SyncWidth;
+  USHORT  usV_SyncOffset;
+  USHORT  usV_SyncWidth;
+  ATOM_MODE_MISC_INFO_ACCESS  susModeMiscInfo;  
+  UCHAR   ucH_Border;         // From DFP EDID
+  UCHAR   ucV_Border;
+  UCHAR   ucCRTC;             // ATOM_CRTC1 or ATOM_CRTC2  
+  UCHAR   ucPadding[3];
+}SET_CRTC_USING_DTD_TIMING_PARAMETERS;
+
+/****************************************************************************/	
+// Structure used in SetCRTC_TimingTable
+/****************************************************************************/	
+typedef struct _SET_CRTC_TIMING_PARAMETERS
+{
+  USHORT                      usH_Total;        // horizontal total
+  USHORT                      usH_Disp;         // horizontal display
+  USHORT                      usH_SyncStart;    // horozontal Sync start
+  USHORT                      usH_SyncWidth;    // horizontal Sync width
+  USHORT                      usV_Total;        // vertical total
+  USHORT                      usV_Disp;         // vertical display
+  USHORT                      usV_SyncStart;    // vertical Sync start
+  USHORT                      usV_SyncWidth;    // vertical Sync width
+  ATOM_MODE_MISC_INFO_ACCESS  susModeMiscInfo;
+  UCHAR                       ucCRTC;           // ATOM_CRTC1 or ATOM_CRTC2
+  UCHAR                       ucOverscanRight;  // right
+  UCHAR                       ucOverscanLeft;   // left
+  UCHAR                       ucOverscanBottom; // bottom
+  UCHAR                       ucOverscanTop;    // top
+  UCHAR                       ucReserved;
+}SET_CRTC_TIMING_PARAMETERS;
 #define SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION SET_CRTC_TIMING_PARAMETERS
 
-/****************************************************************************/
-/*  Structure used in StandardVESA_TimingTable */
-/*                    AnalogTV_InfoTable */
-/*                    ComponentVideoInfoTable */
-/****************************************************************************/
-typedef struct _ATOM_MODE_TIMING {
-	USHORT usCRTC_H_Total;
-	USHORT usCRTC_H_Disp;
-	USHORT usCRTC_H_SyncStart;
-	USHORT usCRTC_H_SyncWidth;
-	USHORT usCRTC_V_Total;
-	USHORT usCRTC_V_Disp;
-	USHORT usCRTC_V_SyncStart;
-	USHORT usCRTC_V_SyncWidth;
-	USHORT usPixelClock;	/* in 10Khz unit */
-	ATOM_MODE_MISC_INFO_ACCESS susModeMiscInfo;
-	USHORT usCRTC_OverscanRight;
-	USHORT usCRTC_OverscanLeft;
-	USHORT usCRTC_OverscanBottom;
-	USHORT usCRTC_OverscanTop;
-	USHORT usReserve;
-	UCHAR ucInternalModeNumber;
-	UCHAR ucRefreshRate;
-} ATOM_MODE_TIMING;
-
-typedef struct _ATOM_DTD_FORMAT {
-	USHORT usPixClk;
-	USHORT usHActive;
-	USHORT usHBlanking_Time;
-	USHORT usVActive;
-	USHORT usVBlanking_Time;
-	USHORT usHSyncOffset;
-	USHORT usHSyncWidth;
-	USHORT usVSyncOffset;
-	USHORT usVSyncWidth;
-	USHORT usImageHSize;
-	USHORT usImageVSize;
-	UCHAR ucHBorder;
-	UCHAR ucVBorder;
-	ATOM_MODE_MISC_INFO_ACCESS susModeMiscInfo;
-	UCHAR ucInternalModeNumber;
-	UCHAR ucRefreshRate;
-} ATOM_DTD_FORMAT;
-
-/****************************************************************************/
-/*  Structure used in LVDS_InfoTable */
-/*   * Need a document to describe this table */
-/****************************************************************************/
+/****************************************************************************/	
+// Structure used in StandardVESA_TimingTable
+//                   AnalogTV_InfoTable 
+//                   ComponentVideoInfoTable
+/****************************************************************************/	
+typedef struct _ATOM_MODE_TIMING
+{
+  USHORT  usCRTC_H_Total;
+  USHORT  usCRTC_H_Disp;
+  USHORT  usCRTC_H_SyncStart;
+  USHORT  usCRTC_H_SyncWidth;
+  USHORT  usCRTC_V_Total;
+  USHORT  usCRTC_V_Disp;
+  USHORT  usCRTC_V_SyncStart;
+  USHORT  usCRTC_V_SyncWidth;
+  USHORT  usPixelClock;					                 //in 10Khz unit
+  ATOM_MODE_MISC_INFO_ACCESS  susModeMiscInfo;
+  USHORT  usCRTC_OverscanRight;
+  USHORT  usCRTC_OverscanLeft;
+  USHORT  usCRTC_OverscanBottom;
+  USHORT  usCRTC_OverscanTop;
+  USHORT  usReserve;
+  UCHAR   ucInternalModeNumber;
+  UCHAR   ucRefreshRate;
+}ATOM_MODE_TIMING;
+
+typedef struct _ATOM_DTD_FORMAT
+{
+  USHORT  usPixClk;
+  USHORT  usHActive;
+  USHORT  usHBlanking_Time;
+  USHORT  usVActive;
+  USHORT  usVBlanking_Time;			
+  USHORT  usHSyncOffset;
+  USHORT  usHSyncWidth;
+  USHORT  usVSyncOffset;
+  USHORT  usVSyncWidth;
+  USHORT  usImageHSize;
+  USHORT  usImageVSize;
+  UCHAR   ucHBorder;
+  UCHAR   ucVBorder;
+  ATOM_MODE_MISC_INFO_ACCESS susModeMiscInfo;
+  UCHAR   ucInternalModeNumber;
+  UCHAR   ucRefreshRate;
+}ATOM_DTD_FORMAT;
+
+/****************************************************************************/	
+// Structure used in LVDS_InfoTable 
+//  * Need a document to describe this table
+/****************************************************************************/	
 #define SUPPORTED_LCD_REFRESHRATE_30Hz          0x0004
 #define SUPPORTED_LCD_REFRESHRATE_40Hz          0x0008
 #define SUPPORTED_LCD_REFRESHRATE_50Hz          0x0010
 #define SUPPORTED_LCD_REFRESHRATE_60Hz          0x0020
 
-/* Once DAL sees this CAP is set, it will read EDID from LCD on its own instead of using sLCDTiming in ATOM_LVDS_INFO_V12. */
-/* Other entries in ATOM_LVDS_INFO_V12 are still valid/useful to DAL */
-#define	LCDPANEL_CAP_READ_EDID									0x1
-
-/* ucTableFormatRevision=1 */
-/* ucTableContentRevision=1 */
-typedef struct _ATOM_LVDS_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_DTD_FORMAT sLCDTiming;
-	USHORT usModePatchTableOffset;
-	USHORT usSupportedRefreshRate;	/* Refer to panel info table in ATOMBIOS extension Spec. */
-	USHORT usOffDelayInMs;
-	UCHAR ucPowerSequenceDigOntoDEin10Ms;
-	UCHAR ucPowerSequenceDEtoBLOnin10Ms;
-	UCHAR ucLVDS_Misc;	/*  Bit0:{=0:single, =1:dual},Bit1 {=0:666RGB, =1:888RGB},Bit2:3:{Grey level} */
-	/*  Bit4:{=0:LDI format for RGB888, =1 FPDI format for RGB888} */
-	/*  Bit5:{=0:Spatial Dithering disabled;1 Spatial Dithering enabled} */
-	/*  Bit6:{=0:Temporal Dithering disabled;1 Temporal Dithering enabled} */
-	UCHAR ucPanelDefaultRefreshRate;
-	UCHAR ucPanelIdentification;
-	UCHAR ucSS_Id;
-} ATOM_LVDS_INFO;
-
-/* ucTableFormatRevision=1 */
-/* ucTableContentRevision=2 */
-typedef struct _ATOM_LVDS_INFO_V12 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_DTD_FORMAT sLCDTiming;
-	USHORT usExtInfoTableOffset;
-	USHORT usSupportedRefreshRate;	/* Refer to panel info table in ATOMBIOS extension Spec. */
-	USHORT usOffDelayInMs;
-	UCHAR ucPowerSequenceDigOntoDEin10Ms;
-	UCHAR ucPowerSequenceDEtoBLOnin10Ms;
-	UCHAR ucLVDS_Misc;	/*  Bit0:{=0:single, =1:dual},Bit1 {=0:666RGB, =1:888RGB},Bit2:3:{Grey level} */
-	/*  Bit4:{=0:LDI format for RGB888, =1 FPDI format for RGB888} */
-	/*  Bit5:{=0:Spatial Dithering disabled;1 Spatial Dithering enabled} */
-	/*  Bit6:{=0:Temporal Dithering disabled;1 Temporal Dithering enabled} */
-	UCHAR ucPanelDefaultRefreshRate;
-	UCHAR ucPanelIdentification;
-	UCHAR ucSS_Id;
-	USHORT usLCDVenderID;
-	USHORT usLCDProductID;
-	UCHAR ucLCDPanel_SpecialHandlingCap;
-	UCHAR ucPanelInfoSize;	/*   start from ATOM_DTD_FORMAT to end of panel info, include ExtInfoTable */
-	UCHAR ucReserved[2];
-} ATOM_LVDS_INFO_V12;
+//ucTableFormatRevision=1
+//ucTableContentRevision=1
+typedef struct _ATOM_LVDS_INFO
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+  ATOM_DTD_FORMAT     sLCDTiming;
+  USHORT              usModePatchTableOffset;
+  USHORT              usSupportedRefreshRate;     //Refer to panel info table in ATOMBIOS extension Spec.
+  USHORT              usOffDelayInMs;
+  UCHAR               ucPowerSequenceDigOntoDEin10Ms;
+  UCHAR               ucPowerSequenceDEtoBLOnin10Ms;
+  UCHAR               ucLVDS_Misc;               // Bit0:{=0:single, =1:dual},Bit1 {=0:666RGB, =1:888RGB},Bit2:3:{Grey level}
+                                                 // Bit4:{=0:LDI format for RGB888, =1 FPDI format for RGB888}
+                                                 // Bit5:{=0:Spatial Dithering disabled;1 Spatial Dithering enabled}
+                                                 // Bit6:{=0:Temporal Dithering disabled;1 Temporal Dithering enabled}
+  UCHAR               ucPanelDefaultRefreshRate;
+  UCHAR               ucPanelIdentification;
+  UCHAR               ucSS_Id;
+}ATOM_LVDS_INFO;
+
+//ucTableFormatRevision=1
+//ucTableContentRevision=2
+typedef struct _ATOM_LVDS_INFO_V12
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+  ATOM_DTD_FORMAT     sLCDTiming;
+  USHORT              usExtInfoTableOffset;
+  USHORT              usSupportedRefreshRate;     //Refer to panel info table in ATOMBIOS extension Spec.
+  USHORT              usOffDelayInMs;
+  UCHAR               ucPowerSequenceDigOntoDEin10Ms;
+  UCHAR               ucPowerSequenceDEtoBLOnin10Ms;
+  UCHAR               ucLVDS_Misc;               // Bit0:{=0:single, =1:dual},Bit1 {=0:666RGB, =1:888RGB},Bit2:3:{Grey level}
+                                                 // Bit4:{=0:LDI format for RGB888, =1 FPDI format for RGB888}
+                                                 // Bit5:{=0:Spatial Dithering disabled;1 Spatial Dithering enabled}
+                                                 // Bit6:{=0:Temporal Dithering disabled;1 Temporal Dithering enabled}
+  UCHAR               ucPanelDefaultRefreshRate;
+  UCHAR               ucPanelIdentification;
+  UCHAR               ucSS_Id;
+  USHORT              usLCDVenderID;
+  USHORT              usLCDProductID;
+  UCHAR               ucLCDPanel_SpecialHandlingCap; 
+	UCHAR								ucPanelInfoSize;					//  start from ATOM_DTD_FORMAT to end of panel info, include ExtInfoTable
+  UCHAR               ucReserved[2];
+}ATOM_LVDS_INFO_V12;
+
+//Definitions for ucLCDPanel_SpecialHandlingCap:
+
+//Once DAL sees this CAP is set, it will read EDID from LCD on its own instead of using sLCDTiming in ATOM_LVDS_INFO_V12. 
+//Other entries in ATOM_LVDS_INFO_V12 are still valid/useful to DAL 
+#define	LCDPANEL_CAP_READ_EDID                  0x1
+
+//If a design supports DRR (dynamic refresh rate) on internal panels (LVDS or EDP), this cap is set in ucLCDPanel_SpecialHandlingCap together
+//with multiple supported refresh rates@usSupportedRefreshRate. This cap should not be set when only slow refresh rate is supported (static
+//refresh rate switch by SW. This is only valid from ATOM_LVDS_INFO_V12
+#define	LCDPANEL_CAP_DRR_SUPPORTED              0x2
+
+//Use this cap bit for a quick reference whether an embadded panel (LCD1 ) is LVDS or eDP.
+#define	LCDPANEL_CAP_eDP                        0x4
+
+
+//Color Bit Depth definition in EDID V1.4 @BYTE 14h
+//Bit 6  5  4
+                              //      0  0  0  -  Color bit depth is undefined
+                              //      0  0  1  -  6 Bits per Primary Color
+                              //      0  1  0  -  8 Bits per Primary Color
+                              //      0  1  1  - 10 Bits per Primary Color
+                              //      1  0  0  - 12 Bits per Primary Color
+                              //      1  0  1  - 14 Bits per Primary Color
+                              //      1  1  0  - 16 Bits per Primary Color
+                              //      1  1  1  - Reserved
+
+#define PANEL_COLOR_BIT_DEPTH_MASK    0x70
+
+// Bit7:{=0:Random Dithering disabled;1 Random Dithering enabled}   
+#define PANEL_RANDOM_DITHER   0x80
+#define PANEL_RANDOM_DITHER_MASK   0x80
+
 
 #define ATOM_LVDS_INFO_LAST  ATOM_LVDS_INFO_V12
 
-typedef struct _ATOM_PATCH_RECORD_MODE {
-	UCHAR ucRecordType;
-	USHORT usHDisp;
-	USHORT usVDisp;
-} ATOM_PATCH_RECORD_MODE;
+typedef struct  _ATOM_PATCH_RECORD_MODE
+{
+  UCHAR     ucRecordType;
+  USHORT    usHDisp;
+  USHORT    usVDisp;
+}ATOM_PATCH_RECORD_MODE;
 
-typedef struct _ATOM_LCD_RTS_RECORD {
-	UCHAR ucRecordType;
-	UCHAR ucRTSValue;
-} ATOM_LCD_RTS_RECORD;
+typedef struct  _ATOM_LCD_RTS_RECORD
+{
+  UCHAR     ucRecordType;
+  UCHAR     ucRTSValue;
+}ATOM_LCD_RTS_RECORD;
 
-/* !! If the record below exits, it shoud always be the first record for easy use in command table!!! */
-typedef struct _ATOM_LCD_MODE_CONTROL_CAP {
-	UCHAR ucRecordType;
-	USHORT usLCDCap;
-} ATOM_LCD_MODE_CONTROL_CAP;
+//!! If the record below exits, it shoud always be the first record for easy use in command table!!! 
+// The record below is only used when LVDS_Info is present. From ATOM_LVDS_INFO_V12, use ucLCDPanel_SpecialHandlingCap instead.
+typedef struct  _ATOM_LCD_MODE_CONTROL_CAP
+{
+  UCHAR     ucRecordType;
+  USHORT    usLCDCap;
+}ATOM_LCD_MODE_CONTROL_CAP;
 
 #define LCD_MODE_CAP_BL_OFF                   1
 #define LCD_MODE_CAP_CRTC_OFF                 2
 #define LCD_MODE_CAP_PANEL_OFF                4
 
-typedef struct _ATOM_FAKE_EDID_PATCH_RECORD {
-	UCHAR ucRecordType;
-	UCHAR ucFakeEDIDLength;
-	UCHAR ucFakeEDIDString[1];	/*  This actually has ucFakeEdidLength elements. */
+typedef struct _ATOM_FAKE_EDID_PATCH_RECORD
+{
+  UCHAR ucRecordType;
+  UCHAR ucFakeEDIDLength;
+  UCHAR ucFakeEDIDString[1];    // This actually has ucFakeEdidLength elements.
 } ATOM_FAKE_EDID_PATCH_RECORD;
 
-typedef struct _ATOM_PANEL_RESOLUTION_PATCH_RECORD {
-	UCHAR ucRecordType;
-	USHORT usHSize;
-	USHORT usVSize;
-} ATOM_PANEL_RESOLUTION_PATCH_RECORD;
+typedef struct  _ATOM_PANEL_RESOLUTION_PATCH_RECORD
+{
+   UCHAR    ucRecordType;
+   USHORT		usHSize;
+   USHORT		usVSize;
+}ATOM_PANEL_RESOLUTION_PATCH_RECORD;
 
 #define LCD_MODE_PATCH_RECORD_MODE_TYPE       1
 #define LCD_RTS_RECORD_TYPE                   2
@@ -2306,21 +2829,25 @@ typedef struct _ATOM_PANEL_RESOLUTION_PATCH_RECORD {
 
 /****************************Spread Spectrum Info Table Definitions **********************/
 
-/* ucTableFormatRevision=1 */
-/* ucTableContentRevision=2 */
-typedef struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT {
-	USHORT usSpreadSpectrumPercentage;
-	UCHAR ucSpreadSpectrumType;	/* Bit1=0 Down Spread,=1 Center Spread. Bit1=1 Ext. =0 Int. Others:TBD */
-	UCHAR ucSS_Step;
-	UCHAR ucSS_Delay;
-	UCHAR ucSS_Id;
-	UCHAR ucRecommendedRef_Div;
-	UCHAR ucSS_Range;	/* it was reserved for V11 */
-} ATOM_SPREAD_SPECTRUM_ASSIGNMENT;
+//ucTableFormatRevision=1
+//ucTableContentRevision=2
+typedef struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT
+{
+  USHORT              usSpreadSpectrumPercentage; 
+  UCHAR               ucSpreadSpectrumType;	    //Bit1=0 Down Spread,=1 Center Spread. Bit1=1 Ext. =0 Int. Bit2=1: PCIE REFCLK SS =0 iternal PPLL SS  Others:TBD
+  UCHAR               ucSS_Step;
+  UCHAR               ucSS_Delay;
+  UCHAR               ucSS_Id;
+  UCHAR               ucRecommendedRef_Div;
+  UCHAR               ucSS_Range;               //it was reserved for V11
+}ATOM_SPREAD_SPECTRUM_ASSIGNMENT;
 
 #define ATOM_MAX_SS_ENTRY                      16
-#define ATOM_DP_SS_ID1												 0x0f1	/*  SS modulation freq=30k */
-#define ATOM_DP_SS_ID2												 0x0f2	/*  SS modulation freq=33k */
+#define ATOM_DP_SS_ID1												 0x0f1			// SS ID for internal DP stream at 2.7Ghz. if ATOM_DP_SS_ID2 does not exist in SS_InfoTable, it is used for internal DP stream at 1.62Ghz as well. 
+#define ATOM_DP_SS_ID2												 0x0f2			// SS ID for internal DP stream at 1.62Ghz, if it exists in SS_InfoTable. 
+#define ATOM_LVLINK_2700MHz_SS_ID              0x0f3      // SS ID for LV link translator chip at 2.7Ghz
+#define ATOM_LVLINK_1620MHz_SS_ID              0x0f4      // SS ID for LV link translator chip at 1.62Ghz
+
 
 #define ATOM_SS_DOWN_SPREAD_MODE_MASK          0x00000000
 #define ATOM_SS_DOWN_SPREAD_MODE               0x00000000
@@ -2329,29 +2856,30 @@ typedef struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT {
 #define ATOM_INTERNAL_SS_MASK                  0x00000000
 #define ATOM_EXTERNAL_SS_MASK                  0x00000002
 #define EXEC_SS_STEP_SIZE_SHIFT                2
-#define EXEC_SS_DELAY_SHIFT                    4
+#define EXEC_SS_DELAY_SHIFT                    4    
 #define ACTIVEDATA_TO_BLON_DELAY_SHIFT         4
 
-typedef struct _ATOM_SPREAD_SPECTRUM_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_SPREAD_SPECTRUM_ASSIGNMENT asSS_Info[ATOM_MAX_SS_ENTRY];
-} ATOM_SPREAD_SPECTRUM_INFO;
-
-/****************************************************************************/
-/*  Structure used in AnalogTV_InfoTable (Top level) */
-/****************************************************************************/
-/* ucTVBootUpDefaultStd definiton: */
-
-/* ATOM_TV_NTSC                1 */
-/* ATOM_TV_NTSCJ               2 */
-/* ATOM_TV_PAL                 3 */
-/* ATOM_TV_PALM                4 */
-/* ATOM_TV_PALCN               5 */
-/* ATOM_TV_PALN                6 */
-/* ATOM_TV_PAL60               7 */
-/* ATOM_TV_SECAM               8 */
-
-/* ucTVSuppportedStd definition: */
+typedef struct _ATOM_SPREAD_SPECTRUM_INFO
+{ 
+  ATOM_COMMON_TABLE_HEADER	sHeader;
+  ATOM_SPREAD_SPECTRUM_ASSIGNMENT   asSS_Info[ATOM_MAX_SS_ENTRY];
+}ATOM_SPREAD_SPECTRUM_INFO;
+
+/****************************************************************************/	
+// Structure used in AnalogTV_InfoTable (Top level)
+/****************************************************************************/	
+//ucTVBootUpDefaultStd definiton:
+
+//ATOM_TV_NTSC                1
+//ATOM_TV_NTSCJ               2
+//ATOM_TV_PAL                 3
+//ATOM_TV_PALM                4
+//ATOM_TV_PALCN               5
+//ATOM_TV_PALN                6
+//ATOM_TV_PAL60               7
+//ATOM_TV_SECAM               8
+
+//ucTVSupportedStd definition:
 #define NTSC_SUPPORT          0x1
 #define NTSCJ_SUPPORT         0x2
 
@@ -2364,46 +2892,58 @@ typedef struct _ATOM_SPREAD_SPECTRUM_INFO {
 
 #define MAX_SUPPORTED_TV_TIMING    2
 
-typedef struct _ATOM_ANALOG_TV_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	UCHAR ucTV_SupportedStandard;
-	UCHAR ucTV_BootUpDefaultStandard;
-	UCHAR ucExt_TV_ASIC_ID;
-	UCHAR ucExt_TV_ASIC_SlaveAddr;
-	/*ATOM_DTD_FORMAT          aModeTimings[MAX_SUPPORTED_TV_TIMING]; */
-	ATOM_MODE_TIMING aModeTimings[MAX_SUPPORTED_TV_TIMING];
-} ATOM_ANALOG_TV_INFO;
+typedef struct _ATOM_ANALOG_TV_INFO
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+  UCHAR                    ucTV_SupportedStandard;
+  UCHAR                    ucTV_BootUpDefaultStandard; 
+  UCHAR                    ucExt_TV_ASIC_ID;
+  UCHAR                    ucExt_TV_ASIC_SlaveAddr;
+  /*ATOM_DTD_FORMAT          aModeTimings[MAX_SUPPORTED_TV_TIMING];*/
+  ATOM_MODE_TIMING         aModeTimings[MAX_SUPPORTED_TV_TIMING];
+}ATOM_ANALOG_TV_INFO;
 
 #define MAX_SUPPORTED_TV_TIMING_V1_2    3
 
-typedef struct _ATOM_ANALOG_TV_INFO_V1_2 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	UCHAR                    ucTV_SupportedStandard;
-	UCHAR                    ucTV_BootUpDefaultStandard;
-	UCHAR                    ucExt_TV_ASIC_ID;
-	UCHAR                    ucExt_TV_ASIC_SlaveAddr;
-	ATOM_DTD_FORMAT          aModeTimings[MAX_SUPPORTED_TV_TIMING];
-} ATOM_ANALOG_TV_INFO_V1_2;
+typedef struct _ATOM_ANALOG_TV_INFO_V1_2
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+  UCHAR                    ucTV_SupportedStandard;
+  UCHAR                    ucTV_BootUpDefaultStandard; 
+  UCHAR                    ucExt_TV_ASIC_ID;
+  UCHAR                    ucExt_TV_ASIC_SlaveAddr;
+  ATOM_DTD_FORMAT          aModeTimings[MAX_SUPPORTED_TV_TIMING];
+}ATOM_ANALOG_TV_INFO_V1_2;
+
+typedef struct _ATOM_DPCD_INFO
+{
+  UCHAR   ucRevisionNumber;        //10h : Revision 1.0; 11h : Revision 1.1   
+  UCHAR   ucMaxLinkRate;           //06h : 1.62Gbps per lane; 0Ah = 2.7Gbps per lane
+  UCHAR   ucMaxLane;               //Bits 4:0 = MAX_LANE_COUNT (1/2/4). Bit 7 = ENHANCED_FRAME_CAP 
+  UCHAR   ucMaxDownSpread;         //Bit0 = 0: No Down spread; Bit0 = 1: 0.5% (Subject to change according to DP spec)
+}ATOM_DPCD_INFO;
+
+#define ATOM_DPCD_MAX_LANE_MASK    0x1F
 
 /**************************************************************************/
-/*  VRAM usage and their definitions */
+// VRAM usage and their defintions
 
-/*  One chunk of VRAM used by Bios are for HWICON surfaces,EDID data. */
-/*  Current Mode timing and Dail Timing and/or STD timing data EACH device. They can be broken down as below. */
-/*  All the addresses below are the offsets from the frame buffer start.They all MUST be Dword aligned! */
-/*  To driver: The physical address of this memory portion=mmFB_START(4K aligned)+ATOMBIOS_VRAM_USAGE_START_ADDR+ATOM_x_ADDR */
-/*  To Bios:  ATOMBIOS_VRAM_USAGE_START_ADDR+ATOM_x_ADDR->MM_INDEX */
+// One chunk of VRAM used by Bios are for HWICON surfaces,EDID data.
+// Current Mode timing and Dail Timing and/or STD timing data EACH device. They can be broken down as below.
+// All the addresses below are the offsets from the frame buffer start.They all MUST be Dword aligned!
+// To driver: The physical address of this memory portion=mmFB_START(4K aligned)+ATOMBIOS_VRAM_USAGE_START_ADDR+ATOM_x_ADDR
+// To Bios:  ATOMBIOS_VRAM_USAGE_START_ADDR+ATOM_x_ADDR->MM_INDEX 
 
 #ifndef VESA_MEMORY_IN_64K_BLOCK
-#define VESA_MEMORY_IN_64K_BLOCK        0x100	/* 256*64K=16Mb (Max. VESA memory is 16Mb!) */
+#define VESA_MEMORY_IN_64K_BLOCK        0x100       //256*64K=16Mb (Max. VESA memory is 16Mb!)
 #endif
 
-#define ATOM_EDID_RAW_DATASIZE          256	/* In Bytes */
-#define ATOM_HWICON_SURFACE_SIZE        4096	/* In Bytes */
+#define ATOM_EDID_RAW_DATASIZE          256         //In Bytes
+#define ATOM_HWICON_SURFACE_SIZE        4096        //In Bytes
 #define ATOM_HWICON_INFOTABLE_SIZE      32
 #define MAX_DTD_MODE_IN_VRAM            6
-#define ATOM_DTD_MODE_SUPPORT_TBL_SIZE  (MAX_DTD_MODE_IN_VRAM*28)	/* 28= (SIZEOF ATOM_DTD_FORMAT) */
-#define ATOM_STD_MODE_SUPPORT_TBL_SIZE  (32*8)	/* 32 is a predefined number,8= (SIZEOF ATOM_STD_FORMAT) */
+#define ATOM_DTD_MODE_SUPPORT_TBL_SIZE  (MAX_DTD_MODE_IN_VRAM*28)    //28= (SIZEOF ATOM_DTD_FORMAT) 
+#define ATOM_STD_MODE_SUPPORT_TBL_SIZE  32*8                         //32 is a predefined number,8= (SIZEOF ATOM_STD_FORMAT)
 #define DFP_ENCODER_TYPE_OFFSET					0x80
 #define DP_ENCODER_LANE_NUM_OFFSET			0x84
 #define DP_ENCODER_LINK_RATE_OFFSET			0x88
@@ -2417,7 +2957,7 @@ typedef struct _ATOM_ANALOG_TV_INFO_V1_2 {
 
 #define ATOM_LCD1_EDID_ADDR             (ATOM_CRT1_STD_MODE_TBL_ADDR + ATOM_STD_MODE_SUPPORT_TBL_SIZE)
 #define ATOM_LCD1_DTD_MODE_TBL_ADDR     (ATOM_LCD1_EDID_ADDR + ATOM_EDID_RAW_DATASIZE)
-#define ATOM_LCD1_STD_MODE_TBL_ADDR	(ATOM_LCD1_DTD_MODE_TBL_ADDR + ATOM_DTD_MODE_SUPPORT_TBL_SIZE)
+#define ATOM_LCD1_STD_MODE_TBL_ADDR   	(ATOM_LCD1_DTD_MODE_TBL_ADDR + ATOM_DTD_MODE_SUPPORT_TBL_SIZE)
 
 #define ATOM_TV1_DTD_MODE_TBL_ADDR      (ATOM_LCD1_STD_MODE_TBL_ADDR + ATOM_STD_MODE_SUPPORT_TBL_SIZE)
 
@@ -2431,13 +2971,13 @@ typedef struct _ATOM_ANALOG_TV_INFO_V1_2 {
 
 #define ATOM_LCD2_EDID_ADDR             (ATOM_CRT2_STD_MODE_TBL_ADDR + ATOM_STD_MODE_SUPPORT_TBL_SIZE)
 #define ATOM_LCD2_DTD_MODE_TBL_ADDR     (ATOM_LCD2_EDID_ADDR + ATOM_EDID_RAW_DATASIZE)
-#define ATOM_LCD2_STD_MODE_TBL_ADDR	(ATOM_LCD2_DTD_MODE_TBL_ADDR + ATOM_DTD_MODE_SUPPORT_TBL_SIZE)
+#define ATOM_LCD2_STD_MODE_TBL_ADDR   	(ATOM_LCD2_DTD_MODE_TBL_ADDR + ATOM_DTD_MODE_SUPPORT_TBL_SIZE)
 
-#define ATOM_TV2_EDID_ADDR              (ATOM_LCD2_STD_MODE_TBL_ADDR + ATOM_STD_MODE_SUPPORT_TBL_SIZE)
-#define ATOM_TV2_DTD_MODE_TBL_ADDR      (ATOM_TV2_EDID_ADDR + ATOM_EDID_RAW_DATASIZE)
-#define ATOM_TV2_STD_MODE_TBL_ADDR	  (ATOM_TV2_DTD_MODE_TBL_ADDR + ATOM_DTD_MODE_SUPPORT_TBL_SIZE)
+#define ATOM_DFP6_EDID_ADDR             (ATOM_LCD2_STD_MODE_TBL_ADDR + ATOM_STD_MODE_SUPPORT_TBL_SIZE)
+#define ATOM_DFP6_DTD_MODE_TBL_ADDR     (ATOM_DFP6_EDID_ADDR + ATOM_EDID_RAW_DATASIZE)
+#define ATOM_DFP6_STD_MODE_TBL_ADDR     (ATOM_DFP6_DTD_MODE_TBL_ADDR + ATOM_DTD_MODE_SUPPORT_TBL_SIZE)
 
-#define ATOM_DFP2_EDID_ADDR             (ATOM_TV2_STD_MODE_TBL_ADDR + ATOM_STD_MODE_SUPPORT_TBL_SIZE)
+#define ATOM_DFP2_EDID_ADDR             (ATOM_DFP6_STD_MODE_TBL_ADDR + ATOM_STD_MODE_SUPPORT_TBL_SIZE)
 #define ATOM_DFP2_DTD_MODE_TBL_ADDR     (ATOM_DFP2_EDID_ADDR + ATOM_EDID_RAW_DATASIZE)
 #define ATOM_DFP2_STD_MODE_TBL_ADDR     (ATOM_DFP2_DTD_MODE_TBL_ADDR + ATOM_DTD_MODE_SUPPORT_TBL_SIZE)
 
@@ -2457,533 +2997,850 @@ typedef struct _ATOM_ANALOG_TV_INFO_V1_2 {
 #define ATOM_DFP5_DTD_MODE_TBL_ADDR     (ATOM_DFP5_EDID_ADDR + ATOM_EDID_RAW_DATASIZE)
 #define ATOM_DFP5_STD_MODE_TBL_ADDR     (ATOM_DFP5_DTD_MODE_TBL_ADDR + ATOM_DTD_MODE_SUPPORT_TBL_SIZE)
 
-#define ATOM_DP_TRAINING_TBL_ADDR	(ATOM_DFP5_STD_MODE_TBL_ADDR+ATOM_STD_MODE_SUPPORT_TBL_SIZE)
+#define ATOM_DP_TRAINING_TBL_ADDR				(ATOM_DFP5_STD_MODE_TBL_ADDR+ATOM_STD_MODE_SUPPORT_TBL_SIZE)       
 
-#define ATOM_STACK_STORAGE_START        (ATOM_DP_TRAINING_TBL_ADDR + 256)
-#define ATOM_STACK_STORAGE_END          (ATOM_STACK_STORAGE_START + 512)
+#define ATOM_STACK_STORAGE_START        (ATOM_DP_TRAINING_TBL_ADDR+256)       
+#define ATOM_STACK_STORAGE_END          ATOM_STACK_STORAGE_START+512        
 
-/* The size below is in Kb! */
+//The size below is in Kb!
 #define ATOM_VRAM_RESERVE_SIZE         ((((ATOM_STACK_STORAGE_END - ATOM_HWICON1_SURFACE_ADDR)>>10)+4)&0xFFFC)
-
+   
 #define	ATOM_VRAM_OPERATION_FLAGS_MASK         0xC0000000L
 #define ATOM_VRAM_OPERATION_FLAGS_SHIFT        30
 #define	ATOM_VRAM_BLOCK_NEEDS_NO_RESERVATION   0x1
 #define	ATOM_VRAM_BLOCK_NEEDS_RESERVATION      0x0
 
-/***********************************************************************************/
-/*  Structure used in VRAM_UsageByFirmwareTable */
-/*  Note1: This table is filled by SetBiosReservationStartInFB in CoreCommSubs.asm */
-/*         at running time. */
-/*  note2: From RV770, the memory is more than 32bit addressable, so we will change */
-/*         ucTableFormatRevision=1,ucTableContentRevision=4, the strcuture remains */
-/*         exactly same as 1.1 and 1.2 (1.3 is never in use), but ulStartAddrUsedByFirmware */
-/*         (in offset to start of memory address) is KB aligned instead of byte aligend. */
-/***********************************************************************************/
+/***********************************************************************************/	
+// Structure used in VRAM_UsageByFirmwareTable
+// Note1: This table is filled by SetBiosReservationStartInFB in CoreCommSubs.asm
+//        at running time.   
+// note2: From RV770, the memory is more than 32bit addressable, so we will change 
+//        ucTableFormatRevision=1,ucTableContentRevision=4, the strcuture remains 
+//        exactly same as 1.1 and 1.2 (1.3 is never in use), but ulStartAddrUsedByFirmware 
+//        (in offset to start of memory address) is KB aligned instead of byte aligend.
+/***********************************************************************************/	
+// Note3:
+/* If we change usReserved to "usFBUsedbyDrvInKB", then to VBIOS this usFBUsedbyDrvInKB is a predefined, unchanged constant across VGA or non VGA adapter,
+for CAIL, The size of FB access area is known, only thing missing is the Offset of FB Access area, so we can  have:
+
+If (ulStartAddrUsedByFirmware!=0)
+FBAccessAreaOffset= ulStartAddrUsedByFirmware - usFBUsedbyDrvInKB;
+Reserved area has been claimed by VBIOS including this FB access area; CAIL doesn't need to reserve any extra area for this purpose
+else	//Non VGA case
+ if (FB_Size<=2Gb)
+    FBAccessAreaOffset= FB_Size - usFBUsedbyDrvInKB;
+ else
+	  FBAccessAreaOffset= Aper_Size - usFBUsedbyDrvInKB
+
+CAIL needs to claim an reserved area defined by FBAccessAreaOffset and usFBUsedbyDrvInKB in non VGA case.*/
+
 #define ATOM_MAX_FIRMWARE_VRAM_USAGE_INFO			1
 
-typedef struct _ATOM_FIRMWARE_VRAM_RESERVE_INFO {
-	ULONG ulStartAddrUsedByFirmware;
-	USHORT usFirmwareUseInKb;
-	USHORT usReserved;
-} ATOM_FIRMWARE_VRAM_RESERVE_INFO;
+typedef struct _ATOM_FIRMWARE_VRAM_RESERVE_INFO
+{
+  ULONG   ulStartAddrUsedByFirmware;
+  USHORT  usFirmwareUseInKb;
+  USHORT  usReserved;
+}ATOM_FIRMWARE_VRAM_RESERVE_INFO;
 
-typedef struct _ATOM_VRAM_USAGE_BY_FIRMWARE {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_FIRMWARE_VRAM_RESERVE_INFO
-	    asFirmwareVramReserveInfo[ATOM_MAX_FIRMWARE_VRAM_USAGE_INFO];
-} ATOM_VRAM_USAGE_BY_FIRMWARE;
+typedef struct _ATOM_VRAM_USAGE_BY_FIRMWARE
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+  ATOM_FIRMWARE_VRAM_RESERVE_INFO	asFirmwareVramReserveInfo[ATOM_MAX_FIRMWARE_VRAM_USAGE_INFO];
+}ATOM_VRAM_USAGE_BY_FIRMWARE;
 
-/****************************************************************************/
-/*  Structure used in GPIO_Pin_LUTTable */
-/****************************************************************************/
-typedef struct _ATOM_GPIO_PIN_ASSIGNMENT {
-	USHORT usGpioPin_AIndex;
-	UCHAR ucGpioPinBitShift;
-	UCHAR ucGPIO_ID;
-} ATOM_GPIO_PIN_ASSIGNMENT;
+// change verion to 1.5, when allow driver to allocate the vram area for command table access. 
+typedef struct _ATOM_FIRMWARE_VRAM_RESERVE_INFO_V1_5
+{
+  ULONG   ulStartAddrUsedByFirmware;
+  USHORT  usFirmwareUseInKb;
+  USHORT  usFBUsedByDrvInKb;
+}ATOM_FIRMWARE_VRAM_RESERVE_INFO_V1_5;
 
-typedef struct _ATOM_GPIO_PIN_LUT {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_GPIO_PIN_ASSIGNMENT asGPIO_Pin[1];
-} ATOM_GPIO_PIN_LUT;
+typedef struct _ATOM_VRAM_USAGE_BY_FIRMWARE_V1_5
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+  ATOM_FIRMWARE_VRAM_RESERVE_INFO_V1_5	asFirmwareVramReserveInfo[ATOM_MAX_FIRMWARE_VRAM_USAGE_INFO];
+}ATOM_VRAM_USAGE_BY_FIRMWARE_V1_5;
+
+/****************************************************************************/	
+// Structure used in GPIO_Pin_LUTTable
+/****************************************************************************/	
+typedef struct _ATOM_GPIO_PIN_ASSIGNMENT
+{
+  USHORT                   usGpioPin_AIndex;
+  UCHAR                    ucGpioPinBitShift;
+  UCHAR                    ucGPIO_ID;
+}ATOM_GPIO_PIN_ASSIGNMENT;
 
-/****************************************************************************/
-/*  Structure used in ComponentVideoInfoTable */
-/****************************************************************************/
+typedef struct _ATOM_GPIO_PIN_LUT
+{
+  ATOM_COMMON_TABLE_HEADER  sHeader;
+  ATOM_GPIO_PIN_ASSIGNMENT	asGPIO_Pin[1];
+}ATOM_GPIO_PIN_LUT;
+
+/****************************************************************************/	
+// Structure used in ComponentVideoInfoTable	
+/****************************************************************************/	
 #define GPIO_PIN_ACTIVE_HIGH          0x1
 
 #define MAX_SUPPORTED_CV_STANDARDS    5
 
-/*  definitions for ATOM_D_INFO.ucSettings */
-#define ATOM_GPIO_SETTINGS_BITSHIFT_MASK  0x1F	/*  [4:0] */
-#define ATOM_GPIO_SETTINGS_RESERVED_MASK  0x60	/*  [6:5] = must be zeroed out */
-#define ATOM_GPIO_SETTINGS_ACTIVE_MASK    0x80	/*  [7] */
+// definitions for ATOM_D_INFO.ucSettings
+#define ATOM_GPIO_SETTINGS_BITSHIFT_MASK  0x1F    // [4:0]
+#define ATOM_GPIO_SETTINGS_RESERVED_MASK  0x60    // [6:5] = must be zeroed out
+#define ATOM_GPIO_SETTINGS_ACTIVE_MASK    0x80    // [7]
 
-typedef struct _ATOM_GPIO_INFO {
-	USHORT usAOffset;
-	UCHAR ucSettings;
-	UCHAR ucReserved;
-} ATOM_GPIO_INFO;
+typedef struct _ATOM_GPIO_INFO
+{
+  USHORT  usAOffset;
+  UCHAR   ucSettings;
+  UCHAR   ucReserved;
+}ATOM_GPIO_INFO;
 
-/*  definitions for ATOM_COMPONENT_VIDEO_INFO.ucMiscInfo (bit vector) */
+// definitions for ATOM_COMPONENT_VIDEO_INFO.ucMiscInfo (bit vector)
 #define ATOM_CV_RESTRICT_FORMAT_SELECTION           0x2
 
-/*  definitions for ATOM_COMPONENT_VIDEO_INFO.uc480i/uc480p/uc720p/uc1080i */
-#define ATOM_GPIO_DEFAULT_MODE_EN                   0x80	/* [7]; */
-#define ATOM_GPIO_SETTING_PERMODE_MASK              0x7F	/* [6:0] */
-
-/*  definitions for ATOM_COMPONENT_VIDEO_INFO.ucLetterBoxMode */
-/* Line 3 out put 5V. */
-#define ATOM_CV_LINE3_ASPECTRATIO_16_9_GPIO_A       0x01	/* represent gpio 3 state for 16:9 */
-#define ATOM_CV_LINE3_ASPECTRATIO_16_9_GPIO_B       0x02	/* represent gpio 4 state for 16:9 */
-#define ATOM_CV_LINE3_ASPECTRATIO_16_9_GPIO_SHIFT   0x0
-
-/* Line 3 out put 2.2V */
-#define ATOM_CV_LINE3_ASPECTRATIO_4_3_LETBOX_GPIO_A 0x04	/* represent gpio 3 state for 4:3 Letter box */
-#define ATOM_CV_LINE3_ASPECTRATIO_4_3_LETBOX_GPIO_B 0x08	/* represent gpio 4 state for 4:3 Letter box */
-#define ATOM_CV_LINE3_ASPECTRATIO_4_3_LETBOX_GPIO_SHIFT 0x2
-
-/* Line 3 out put 0V */
-#define ATOM_CV_LINE3_ASPECTRATIO_4_3_GPIO_A        0x10	/* represent gpio 3 state for 4:3 */
-#define ATOM_CV_LINE3_ASPECTRATIO_4_3_GPIO_B        0x20	/* represent gpio 4 state for 4:3 */
-#define ATOM_CV_LINE3_ASPECTRATIO_4_3_GPIO_SHIFT    0x4
-
-#define ATOM_CV_LINE3_ASPECTRATIO_MASK              0x3F	/*  bit [5:0] */
-
-#define ATOM_CV_LINE3_ASPECTRATIO_EXIST             0x80	/* bit 7 */
-
-/* GPIO bit index in gpio setting per mode value, also represend the block no. in gpio blocks. */
-#define ATOM_GPIO_INDEX_LINE3_ASPECRATIO_GPIO_A   3	/* bit 3 in uc480i/uc480p/uc720p/uc1080i, which represend the default gpio bit setting for the mode. */
-#define ATOM_GPIO_INDEX_LINE3_ASPECRATIO_GPIO_B   4	/* bit 4 in uc480i/uc480p/uc720p/uc1080i, which represend the default gpio bit setting for the mode. */
-
-typedef struct _ATOM_COMPONENT_VIDEO_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	USHORT usMask_PinRegisterIndex;
-	USHORT usEN_PinRegisterIndex;
-	USHORT usY_PinRegisterIndex;
-	USHORT usA_PinRegisterIndex;
-	UCHAR ucBitShift;
-	UCHAR ucPinActiveState;	/* ucPinActiveState: Bit0=1 active high, =0 active low */
-	ATOM_DTD_FORMAT sReserved;	/*  must be zeroed out */
-	UCHAR ucMiscInfo;
-	UCHAR uc480i;
-	UCHAR uc480p;
-	UCHAR uc720p;
-	UCHAR uc1080i;
-	UCHAR ucLetterBoxMode;
-	UCHAR ucReserved[3];
-	UCHAR ucNumOfWbGpioBlocks;	/* For Component video D-Connector support. If zere, NTSC type connector */
-	ATOM_GPIO_INFO aWbGpioStateBlock[MAX_SUPPORTED_CV_STANDARDS];
-	ATOM_DTD_FORMAT aModeTimings[MAX_SUPPORTED_CV_STANDARDS];
-} ATOM_COMPONENT_VIDEO_INFO;
-
-/* ucTableFormatRevision=2 */
-/* ucTableContentRevision=1 */
-typedef struct _ATOM_COMPONENT_VIDEO_INFO_V21 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	UCHAR ucMiscInfo;
-	UCHAR uc480i;
-	UCHAR uc480p;
-	UCHAR uc720p;
-	UCHAR uc1080i;
-	UCHAR ucReserved;
-	UCHAR ucLetterBoxMode;
-	UCHAR ucNumOfWbGpioBlocks;	/* For Component video D-Connector support. If zere, NTSC type connector */
-	ATOM_GPIO_INFO aWbGpioStateBlock[MAX_SUPPORTED_CV_STANDARDS];
-	ATOM_DTD_FORMAT aModeTimings[MAX_SUPPORTED_CV_STANDARDS];
-} ATOM_COMPONENT_VIDEO_INFO_V21;
+// definitions for ATOM_COMPONENT_VIDEO_INFO.uc480i/uc480p/uc720p/uc1080i
+#define ATOM_GPIO_DEFAULT_MODE_EN                   0x80 //[7];
+#define ATOM_GPIO_SETTING_PERMODE_MASK              0x7F //[6:0]
+
+// definitions for ATOM_COMPONENT_VIDEO_INFO.ucLetterBoxMode
+//Line 3 out put 5V.
+#define ATOM_CV_LINE3_ASPECTRATIO_16_9_GPIO_A       0x01     //represent gpio 3 state for 16:9
+#define ATOM_CV_LINE3_ASPECTRATIO_16_9_GPIO_B       0x02     //represent gpio 4 state for 16:9
+#define ATOM_CV_LINE3_ASPECTRATIO_16_9_GPIO_SHIFT   0x0   
+
+//Line 3 out put 2.2V              
+#define ATOM_CV_LINE3_ASPECTRATIO_4_3_LETBOX_GPIO_A 0x04     //represent gpio 3 state for 4:3 Letter box
+#define ATOM_CV_LINE3_ASPECTRATIO_4_3_LETBOX_GPIO_B 0x08     //represent gpio 4 state for 4:3 Letter box
+#define ATOM_CV_LINE3_ASPECTRATIO_4_3_LETBOX_GPIO_SHIFT 0x2     
+
+//Line 3 out put 0V
+#define ATOM_CV_LINE3_ASPECTRATIO_4_3_GPIO_A        0x10     //represent gpio 3 state for 4:3
+#define ATOM_CV_LINE3_ASPECTRATIO_4_3_GPIO_B        0x20     //represent gpio 4 state for 4:3
+#define ATOM_CV_LINE3_ASPECTRATIO_4_3_GPIO_SHIFT    0x4 
+
+#define ATOM_CV_LINE3_ASPECTRATIO_MASK              0x3F     // bit [5:0]
+
+#define ATOM_CV_LINE3_ASPECTRATIO_EXIST             0x80     //bit 7
+
+//GPIO bit index in gpio setting per mode value, also represend the block no. in gpio blocks.
+#define ATOM_GPIO_INDEX_LINE3_ASPECRATIO_GPIO_A   3   //bit 3 in uc480i/uc480p/uc720p/uc1080i, which represend the default gpio bit setting for the mode.
+#define ATOM_GPIO_INDEX_LINE3_ASPECRATIO_GPIO_B   4   //bit 4 in uc480i/uc480p/uc720p/uc1080i, which represend the default gpio bit setting for the mode.
+
+
+typedef struct _ATOM_COMPONENT_VIDEO_INFO
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;
+  USHORT             usMask_PinRegisterIndex;
+  USHORT             usEN_PinRegisterIndex;
+  USHORT             usY_PinRegisterIndex;
+  USHORT             usA_PinRegisterIndex;
+  UCHAR              ucBitShift;
+  UCHAR              ucPinActiveState;  //ucPinActiveState: Bit0=1 active high, =0 active low
+  ATOM_DTD_FORMAT    sReserved;         // must be zeroed out
+  UCHAR              ucMiscInfo;
+  UCHAR              uc480i;
+  UCHAR              uc480p;
+  UCHAR              uc720p;
+  UCHAR              uc1080i;
+  UCHAR              ucLetterBoxMode;
+  UCHAR              ucReserved[3];
+  UCHAR              ucNumOfWbGpioBlocks; //For Component video D-Connector support. If zere, NTSC type connector
+  ATOM_GPIO_INFO     aWbGpioStateBlock[MAX_SUPPORTED_CV_STANDARDS];
+  ATOM_DTD_FORMAT    aModeTimings[MAX_SUPPORTED_CV_STANDARDS];
+}ATOM_COMPONENT_VIDEO_INFO;
+
+//ucTableFormatRevision=2
+//ucTableContentRevision=1
+typedef struct _ATOM_COMPONENT_VIDEO_INFO_V21
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;
+  UCHAR              ucMiscInfo;
+  UCHAR              uc480i;
+  UCHAR              uc480p;
+  UCHAR              uc720p;
+  UCHAR              uc1080i;
+  UCHAR              ucReserved;
+  UCHAR              ucLetterBoxMode;
+  UCHAR              ucNumOfWbGpioBlocks; //For Component video D-Connector support. If zere, NTSC type connector
+  ATOM_GPIO_INFO     aWbGpioStateBlock[MAX_SUPPORTED_CV_STANDARDS];
+  ATOM_DTD_FORMAT    aModeTimings[MAX_SUPPORTED_CV_STANDARDS];
+}ATOM_COMPONENT_VIDEO_INFO_V21;
 
 #define ATOM_COMPONENT_VIDEO_INFO_LAST  ATOM_COMPONENT_VIDEO_INFO_V21
 
-/****************************************************************************/
-/*  Structure used in object_InfoTable */
-/****************************************************************************/
-typedef struct _ATOM_OBJECT_HEADER {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	USHORT usDeviceSupport;
-	USHORT usConnectorObjectTableOffset;
-	USHORT usRouterObjectTableOffset;
-	USHORT usEncoderObjectTableOffset;
-	USHORT usProtectionObjectTableOffset;	/* only available when Protection block is independent. */
-	USHORT usDisplayPathTableOffset;
-} ATOM_OBJECT_HEADER;
-
-typedef struct _ATOM_DISPLAY_OBJECT_PATH {
-	USHORT usDeviceTag;	/* supported device */
-	USHORT usSize;		/* the size of ATOM_DISPLAY_OBJECT_PATH */
-	USHORT usConnObjectId;	/* Connector Object ID */
-	USHORT usGPUObjectId;	/* GPU ID */
-	USHORT usGraphicObjIds[1];	/* 1st Encoder Obj source from GPU to last Graphic Obj destinate to connector. */
-} ATOM_DISPLAY_OBJECT_PATH;
-
-typedef struct _ATOM_DISPLAY_OBJECT_PATH_TABLE {
-	UCHAR ucNumOfDispPath;
-	UCHAR ucVersion;
-	UCHAR ucPadding[2];
-	ATOM_DISPLAY_OBJECT_PATH asDispPath[1];
-} ATOM_DISPLAY_OBJECT_PATH_TABLE;
-
-typedef struct _ATOM_OBJECT	/* each object has this structure */
-{
-	USHORT usObjectID;
-	USHORT usSrcDstTableOffset;
-	USHORT usRecordOffset;	/* this pointing to a bunch of records defined below */
-	USHORT usReserved;
-} ATOM_OBJECT;
-
-typedef struct _ATOM_OBJECT_TABLE	/* Above 4 object table offset pointing to a bunch of objects all have this structure */
-{
-	UCHAR ucNumberOfObjects;
-	UCHAR ucPadding[3];
-	ATOM_OBJECT asObjects[1];
-} ATOM_OBJECT_TABLE;
-
-typedef struct _ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT	/* usSrcDstTableOffset pointing to this structure */
-{
-	UCHAR ucNumberOfSrc;
-	USHORT usSrcObjectID[1];
-	UCHAR ucNumberOfDst;
-	USHORT usDstObjectID[1];
-} ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT;
-
-/* Related definitions, all records are differnt but they have a commond header */
-typedef struct _ATOM_COMMON_RECORD_HEADER {
-	UCHAR ucRecordType;	/* An emun to indicate the record type */
-	UCHAR ucRecordSize;	/* The size of the whole record in byte */
-} ATOM_COMMON_RECORD_HEADER;
-
-#define ATOM_I2C_RECORD_TYPE                           1
+/****************************************************************************/	
+// Structure used in object_InfoTable
+/****************************************************************************/	
+typedef struct _ATOM_OBJECT_HEADER
+{ 
+  ATOM_COMMON_TABLE_HEADER	sHeader;
+  USHORT                    usDeviceSupport;
+  USHORT                    usConnectorObjectTableOffset;
+  USHORT                    usRouterObjectTableOffset;
+  USHORT                    usEncoderObjectTableOffset;
+  USHORT                    usProtectionObjectTableOffset; //only available when Protection block is independent.
+  USHORT                    usDisplayPathTableOffset;
+}ATOM_OBJECT_HEADER;
+
+typedef struct _ATOM_OBJECT_HEADER_V3
+{ 
+  ATOM_COMMON_TABLE_HEADER	sHeader;
+  USHORT                    usDeviceSupport;
+  USHORT                    usConnectorObjectTableOffset;
+  USHORT                    usRouterObjectTableOffset;
+  USHORT                    usEncoderObjectTableOffset;
+  USHORT                    usProtectionObjectTableOffset; //only available when Protection block is independent.
+  USHORT                    usDisplayPathTableOffset;
+  USHORT                    usMiscObjectTableOffset;
+}ATOM_OBJECT_HEADER_V3;
+
+typedef struct  _ATOM_DISPLAY_OBJECT_PATH
+{
+  USHORT    usDeviceTag;                                   //supported device 
+  USHORT    usSize;                                        //the size of ATOM_DISPLAY_OBJECT_PATH
+  USHORT    usConnObjectId;                                //Connector Object ID 
+  USHORT    usGPUObjectId;                                 //GPU ID 
+  USHORT    usGraphicObjIds[1];                             //1st Encoder Obj source from GPU to last Graphic Obj destinate to connector.
+}ATOM_DISPLAY_OBJECT_PATH;
+
+typedef struct _ATOM_DISPLAY_OBJECT_PATH_TABLE
+{
+  UCHAR                           ucNumOfDispPath;
+  UCHAR                           ucVersion;
+  UCHAR                           ucPadding[2];
+  ATOM_DISPLAY_OBJECT_PATH        asDispPath[1];
+}ATOM_DISPLAY_OBJECT_PATH_TABLE;
+
+
+typedef struct _ATOM_OBJECT                                //each object has this structure    
+{
+  USHORT              usObjectID;
+  USHORT              usSrcDstTableOffset;
+  USHORT              usRecordOffset;                     //this pointing to a bunch of records defined below
+  USHORT              usReserved;
+}ATOM_OBJECT;
+
+typedef struct _ATOM_OBJECT_TABLE                         //Above 4 object table offset pointing to a bunch of objects all have this structure     
+{
+  UCHAR               ucNumberOfObjects;
+  UCHAR               ucPadding[3];
+  ATOM_OBJECT         asObjects[1];
+}ATOM_OBJECT_TABLE;
+
+typedef struct _ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT         //usSrcDstTableOffset pointing to this structure
+{
+  UCHAR               ucNumberOfSrc;
+  USHORT              usSrcObjectID[1];
+  UCHAR               ucNumberOfDst;
+  USHORT              usDstObjectID[1];
+}ATOM_SRC_DST_TABLE_FOR_ONE_OBJECT;
+
+
+//Two definitions below are for OPM on MXM module designs
+
+#define EXT_HPDPIN_LUTINDEX_0                   0
+#define EXT_HPDPIN_LUTINDEX_1                   1
+#define EXT_HPDPIN_LUTINDEX_2                   2
+#define EXT_HPDPIN_LUTINDEX_3                   3
+#define EXT_HPDPIN_LUTINDEX_4                   4
+#define EXT_HPDPIN_LUTINDEX_5                   5
+#define EXT_HPDPIN_LUTINDEX_6                   6
+#define EXT_HPDPIN_LUTINDEX_7                   7
+#define MAX_NUMBER_OF_EXT_HPDPIN_LUT_ENTRIES   (EXT_HPDPIN_LUTINDEX_7+1)
+
+#define EXT_AUXDDC_LUTINDEX_0                   0
+#define EXT_AUXDDC_LUTINDEX_1                   1
+#define EXT_AUXDDC_LUTINDEX_2                   2
+#define EXT_AUXDDC_LUTINDEX_3                   3
+#define EXT_AUXDDC_LUTINDEX_4                   4
+#define EXT_AUXDDC_LUTINDEX_5                   5
+#define EXT_AUXDDC_LUTINDEX_6                   6
+#define EXT_AUXDDC_LUTINDEX_7                   7
+#define MAX_NUMBER_OF_EXT_AUXDDC_LUT_ENTRIES   (EXT_AUXDDC_LUTINDEX_7+1)
+
+typedef struct _EXT_DISPLAY_PATH
+{
+  USHORT  usDeviceTag;                    //A bit vector to show what devices are supported 
+  USHORT  usDeviceACPIEnum;               //16bit device ACPI id. 
+  USHORT  usDeviceConnector;              //A physical connector for displays to plug in, using object connector definitions
+  UCHAR   ucExtAUXDDCLutIndex;            //An index into external AUX/DDC channel LUT
+  UCHAR   ucExtHPDPINLutIndex;            //An index into external HPD pin LUT
+  USHORT  usExtEncoderObjId;              //external encoder object id
+  USHORT  usReserved[3]; 
+}EXT_DISPLAY_PATH;
+   
+#define NUMBER_OF_UCHAR_FOR_GUID          16
+#define MAX_NUMBER_OF_EXT_DISPLAY_PATH    7
+
+typedef  struct _ATOM_EXTERNAL_DISPLAY_CONNECTION_INFO
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;
+  UCHAR                    ucGuid [NUMBER_OF_UCHAR_FOR_GUID];     // a GUID is a 16 byte long string
+  EXT_DISPLAY_PATH         sPath[MAX_NUMBER_OF_EXT_DISPLAY_PATH]; // total of fixed 7 entries.
+  UCHAR                    ucChecksum;                            // a  simple Checksum of the sum of whole structure equal to 0x0. 
+  UCHAR                    Reserved [7];                          // for potential expansion
+}ATOM_EXTERNAL_DISPLAY_CONNECTION_INFO;
+
+//Related definitions, all records are differnt but they have a commond header
+typedef struct _ATOM_COMMON_RECORD_HEADER
+{
+  UCHAR               ucRecordType;                      //An emun to indicate the record type
+  UCHAR               ucRecordSize;                      //The size of the whole record in byte
+}ATOM_COMMON_RECORD_HEADER;
+
+
+#define ATOM_I2C_RECORD_TYPE                           1         
 #define ATOM_HPD_INT_RECORD_TYPE                       2
 #define ATOM_OUTPUT_PROTECTION_RECORD_TYPE             3
 #define ATOM_CONNECTOR_DEVICE_TAG_RECORD_TYPE          4
-#define	ATOM_CONNECTOR_DVI_EXT_INPUT_RECORD_TYPE	     5	/* Obsolete, switch to use GPIO_CNTL_RECORD_TYPE */
-#define ATOM_ENCODER_FPGA_CONTROL_RECORD_TYPE          6	/* Obsolete, switch to use GPIO_CNTL_RECORD_TYPE */
+#define	ATOM_CONNECTOR_DVI_EXT_INPUT_RECORD_TYPE	     5 //Obsolete, switch to use GPIO_CNTL_RECORD_TYPE
+#define ATOM_ENCODER_FPGA_CONTROL_RECORD_TYPE          6 //Obsolete, switch to use GPIO_CNTL_RECORD_TYPE
 #define ATOM_CONNECTOR_CVTV_SHARE_DIN_RECORD_TYPE      7
-#define ATOM_JTAG_RECORD_TYPE                          8	/* Obsolete, switch to use GPIO_CNTL_RECORD_TYPE */
+#define ATOM_JTAG_RECORD_TYPE                          8 //Obsolete, switch to use GPIO_CNTL_RECORD_TYPE
 #define ATOM_OBJECT_GPIO_CNTL_RECORD_TYPE              9
 #define ATOM_ENCODER_DVO_CF_RECORD_TYPE               10
 #define ATOM_CONNECTOR_CF_RECORD_TYPE                 11
 #define	ATOM_CONNECTOR_HARDCODE_DTD_RECORD_TYPE	      12
 #define ATOM_CONNECTOR_PCIE_SUBCONNECTOR_RECORD_TYPE  13
-#define ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE				14
-#define ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE					15
-
-/* Must be updated when new record type is added,equal to that record definition! */
-#define ATOM_MAX_OBJECT_RECORD_NUMBER             ATOM_CONNECTOR_CF_RECORD_TYPE
-
-typedef struct _ATOM_I2C_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	ATOM_I2C_ID_CONFIG sucI2cId;
-	UCHAR ucI2CAddr;	/* The slave address, it's 0 when the record is attached to connector for DDC */
-} ATOM_I2C_RECORD;
-
-typedef struct _ATOM_HPD_INT_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	UCHAR ucHPDIntGPIOID;	/* Corresponding block in GPIO_PIN_INFO table gives the pin info */
-	UCHAR ucPlugged_PinState;
-} ATOM_HPD_INT_RECORD;
-
-typedef struct _ATOM_OUTPUT_PROTECTION_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	UCHAR ucProtectionFlag;
-	UCHAR ucReserved;
-} ATOM_OUTPUT_PROTECTION_RECORD;
-
-typedef struct _ATOM_CONNECTOR_DEVICE_TAG {
-	ULONG ulACPIDeviceEnum;	/* Reserved for now */
-	USHORT usDeviceID;	/* This Id is same as "ATOM_DEVICE_XXX_SUPPORT" */
-	USHORT usPadding;
-} ATOM_CONNECTOR_DEVICE_TAG;
-
-typedef struct _ATOM_CONNECTOR_DEVICE_TAG_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	UCHAR ucNumberOfDevice;
-	UCHAR ucReserved;
-	ATOM_CONNECTOR_DEVICE_TAG asDeviceTag[1];	/* This Id is same as "ATOM_DEVICE_XXX_SUPPORT", 1 is only for allocation */
-} ATOM_CONNECTOR_DEVICE_TAG_RECORD;
-
-typedef struct _ATOM_CONNECTOR_DVI_EXT_INPUT_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	UCHAR ucConfigGPIOID;
-	UCHAR ucConfigGPIOState;	/* Set to 1 when it's active high to enable external flow in */
-	UCHAR ucFlowinGPIPID;
-	UCHAR ucExtInGPIPID;
-} ATOM_CONNECTOR_DVI_EXT_INPUT_RECORD;
-
-typedef struct _ATOM_ENCODER_FPGA_CONTROL_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	UCHAR ucCTL1GPIO_ID;
-	UCHAR ucCTL1GPIOState;	/* Set to 1 when it's active high */
-	UCHAR ucCTL2GPIO_ID;
-	UCHAR ucCTL2GPIOState;	/* Set to 1 when it's active high */
-	UCHAR ucCTL3GPIO_ID;
-	UCHAR ucCTL3GPIOState;	/* Set to 1 when it's active high */
-	UCHAR ucCTLFPGA_IN_ID;
-	UCHAR ucPadding[3];
-} ATOM_ENCODER_FPGA_CONTROL_RECORD;
-
-typedef struct _ATOM_CONNECTOR_CVTV_SHARE_DIN_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	UCHAR ucGPIOID;		/* Corresponding block in GPIO_PIN_INFO table gives the pin info */
-	UCHAR ucTVActiveState;	/* Indicating when the pin==0 or 1 when TV is connected */
-} ATOM_CONNECTOR_CVTV_SHARE_DIN_RECORD;
-
-typedef struct _ATOM_JTAG_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	UCHAR ucTMSGPIO_ID;
-	UCHAR ucTMSGPIOState;	/* Set to 1 when it's active high */
-	UCHAR ucTCKGPIO_ID;
-	UCHAR ucTCKGPIOState;	/* Set to 1 when it's active high */
-	UCHAR ucTDOGPIO_ID;
-	UCHAR ucTDOGPIOState;	/* Set to 1 when it's active high */
-	UCHAR ucTDIGPIO_ID;
-	UCHAR ucTDIGPIOState;	/* Set to 1 when it's active high */
-	UCHAR ucPadding[2];
-} ATOM_JTAG_RECORD;
-
-/* The following generic object gpio pin control record type will replace JTAG_RECORD/FPGA_CONTROL_RECORD/DVI_EXT_INPUT_RECORD above gradually */
-typedef struct _ATOM_GPIO_PIN_CONTROL_PAIR {
-	UCHAR ucGPIOID;		/*  GPIO_ID, find the corresponding ID in GPIO_LUT table */
-	UCHAR ucGPIO_PinState;	/*  Pin state showing how to set-up the pin */
-} ATOM_GPIO_PIN_CONTROL_PAIR;
-
-typedef struct _ATOM_OBJECT_GPIO_CNTL_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	UCHAR ucFlags;		/*  Future expnadibility */
-	UCHAR ucNumberOfPins;	/*  Number of GPIO pins used to control the object */
-	ATOM_GPIO_PIN_CONTROL_PAIR asGpio[1];	/*  the real gpio pin pair determined by number of pins ucNumberOfPins */
-} ATOM_OBJECT_GPIO_CNTL_RECORD;
-
-/* Definitions for GPIO pin state */
+#define ATOM_ROUTER_DDC_PATH_SELECT_RECORD_TYPE	      14
+#define ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD_TYPE	15
+#define ATOM_CONNECTOR_HPDPIN_LUT_RECORD_TYPE          16 //This is for the case when connectors are not known to object table
+#define ATOM_CONNECTOR_AUXDDC_LUT_RECORD_TYPE          17 //This is for the case when connectors are not known to object table
+#define ATOM_OBJECT_LINK_RECORD_TYPE                   18 //Once this record is present under one object, it indicats the oobject is linked to another obj described by the record
+#define ATOM_CONNECTOR_REMOTE_CAP_RECORD_TYPE          19
+
+
+//Must be updated when new record type is added,equal to that record definition!
+#define ATOM_MAX_OBJECT_RECORD_NUMBER             ATOM_CONNECTOR_REMOTE_CAP_RECORD_TYPE
+
+typedef struct  _ATOM_I2C_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  ATOM_I2C_ID_CONFIG          sucI2cId; 
+  UCHAR                       ucI2CAddr;              //The slave address, it's 0 when the record is attached to connector for DDC
+}ATOM_I2C_RECORD;
+
+typedef struct  _ATOM_HPD_INT_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  UCHAR                       ucHPDIntGPIOID;         //Corresponding block in GPIO_PIN_INFO table gives the pin info           
+  UCHAR                       ucPlugged_PinState;
+}ATOM_HPD_INT_RECORD;
+
+
+typedef struct  _ATOM_OUTPUT_PROTECTION_RECORD 
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  UCHAR                       ucProtectionFlag;
+  UCHAR                       ucReserved;
+}ATOM_OUTPUT_PROTECTION_RECORD;
+
+typedef struct  _ATOM_CONNECTOR_DEVICE_TAG
+{
+  ULONG                       ulACPIDeviceEnum;       //Reserved for now
+  USHORT                      usDeviceID;             //This Id is same as "ATOM_DEVICE_XXX_SUPPORT"
+  USHORT                      usPadding;
+}ATOM_CONNECTOR_DEVICE_TAG;
+
+typedef struct  _ATOM_CONNECTOR_DEVICE_TAG_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  UCHAR                       ucNumberOfDevice;
+  UCHAR                       ucReserved;
+  ATOM_CONNECTOR_DEVICE_TAG   asDeviceTag[1];         //This Id is same as "ATOM_DEVICE_XXX_SUPPORT", 1 is only for allocation
+}ATOM_CONNECTOR_DEVICE_TAG_RECORD;
+
+
+typedef struct  _ATOM_CONNECTOR_DVI_EXT_INPUT_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  UCHAR						            ucConfigGPIOID;
+  UCHAR						            ucConfigGPIOState;	    //Set to 1 when it's active high to enable external flow in
+  UCHAR                       ucFlowinGPIPID;
+  UCHAR                       ucExtInGPIPID;
+}ATOM_CONNECTOR_DVI_EXT_INPUT_RECORD;
+
+typedef struct  _ATOM_ENCODER_FPGA_CONTROL_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  UCHAR                       ucCTL1GPIO_ID;
+  UCHAR                       ucCTL1GPIOState;        //Set to 1 when it's active high
+  UCHAR                       ucCTL2GPIO_ID;
+  UCHAR                       ucCTL2GPIOState;        //Set to 1 when it's active high
+  UCHAR                       ucCTL3GPIO_ID;
+  UCHAR                       ucCTL3GPIOState;        //Set to 1 when it's active high
+  UCHAR                       ucCTLFPGA_IN_ID;
+  UCHAR                       ucPadding[3];
+}ATOM_ENCODER_FPGA_CONTROL_RECORD;
+
+typedef struct  _ATOM_CONNECTOR_CVTV_SHARE_DIN_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  UCHAR                       ucGPIOID;               //Corresponding block in GPIO_PIN_INFO table gives the pin info 
+  UCHAR                       ucTVActiveState;        //Indicating when the pin==0 or 1 when TV is connected
+}ATOM_CONNECTOR_CVTV_SHARE_DIN_RECORD;
+
+typedef struct  _ATOM_JTAG_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  UCHAR                       ucTMSGPIO_ID;
+  UCHAR                       ucTMSGPIOState;         //Set to 1 when it's active high
+  UCHAR                       ucTCKGPIO_ID;
+  UCHAR                       ucTCKGPIOState;         //Set to 1 when it's active high
+  UCHAR                       ucTDOGPIO_ID;
+  UCHAR                       ucTDOGPIOState;         //Set to 1 when it's active high
+  UCHAR                       ucTDIGPIO_ID;
+  UCHAR                       ucTDIGPIOState;         //Set to 1 when it's active high
+  UCHAR                       ucPadding[2];
+}ATOM_JTAG_RECORD;
+
+
+//The following generic object gpio pin control record type will replace JTAG_RECORD/FPGA_CONTROL_RECORD/DVI_EXT_INPUT_RECORD above gradually
+typedef struct _ATOM_GPIO_PIN_CONTROL_PAIR
+{
+  UCHAR                       ucGPIOID;               // GPIO_ID, find the corresponding ID in GPIO_LUT table
+  UCHAR                       ucGPIO_PinState;        // Pin state showing how to set-up the pin
+}ATOM_GPIO_PIN_CONTROL_PAIR;
+
+typedef struct  _ATOM_OBJECT_GPIO_CNTL_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  UCHAR                       ucFlags;                // Future expnadibility
+  UCHAR                       ucNumberOfPins;         // Number of GPIO pins used to control the object
+  ATOM_GPIO_PIN_CONTROL_PAIR  asGpio[1];              // the real gpio pin pair determined by number of pins ucNumberOfPins
+}ATOM_OBJECT_GPIO_CNTL_RECORD;
+
+//Definitions for GPIO pin state 
 #define GPIO_PIN_TYPE_INPUT             0x00
 #define GPIO_PIN_TYPE_OUTPUT            0x10
 #define GPIO_PIN_TYPE_HW_CONTROL        0x20
 
-/* For GPIO_PIN_TYPE_OUTPUT the following is defined */
+//For GPIO_PIN_TYPE_OUTPUT the following is defined 
 #define GPIO_PIN_OUTPUT_STATE_MASK      0x01
 #define GPIO_PIN_OUTPUT_STATE_SHIFT     0
 #define GPIO_PIN_STATE_ACTIVE_LOW       0x0
 #define GPIO_PIN_STATE_ACTIVE_HIGH      0x1
 
-typedef struct _ATOM_ENCODER_DVO_CF_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	ULONG ulStrengthControl;	/*  DVOA strength control for CF */
-	UCHAR ucPadding[2];
-} ATOM_ENCODER_DVO_CF_RECORD;
+// Indexes to GPIO array in GLSync record 
+#define ATOM_GPIO_INDEX_GLSYNC_REFCLK    0
+#define ATOM_GPIO_INDEX_GLSYNC_HSYNC     1
+#define ATOM_GPIO_INDEX_GLSYNC_VSYNC     2
+#define ATOM_GPIO_INDEX_GLSYNC_SWAP_REQ  3
+#define ATOM_GPIO_INDEX_GLSYNC_SWAP_GNT  4
+#define ATOM_GPIO_INDEX_GLSYNC_INTERRUPT 5
+#define ATOM_GPIO_INDEX_GLSYNC_V_RESET   6
+#define ATOM_GPIO_INDEX_GLSYNC_MAX       7
+
+typedef struct  _ATOM_ENCODER_DVO_CF_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  ULONG                       ulStrengthControl;      // DVOA strength control for CF
+  UCHAR                       ucPadding[2];
+}ATOM_ENCODER_DVO_CF_RECORD;
 
-/*  value for ATOM_CONNECTOR_CF_RECORD.ucConnectedDvoBundle */
+// value for ATOM_CONNECTOR_CF_RECORD.ucConnectedDvoBundle
 #define ATOM_CONNECTOR_CF_RECORD_CONNECTED_UPPER12BITBUNDLEA   1
 #define ATOM_CONNECTOR_CF_RECORD_CONNECTED_LOWER12BITBUNDLEB   2
 
-typedef struct _ATOM_CONNECTOR_CF_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	USHORT usMaxPixClk;
-	UCHAR ucFlowCntlGpioId;
-	UCHAR ucSwapCntlGpioId;
-	UCHAR ucConnectedDvoBundle;
-	UCHAR ucPadding;
-} ATOM_CONNECTOR_CF_RECORD;
-
-typedef struct _ATOM_CONNECTOR_HARDCODE_DTD_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	ATOM_DTD_FORMAT asTiming;
-} ATOM_CONNECTOR_HARDCODE_DTD_RECORD;
-
-typedef struct _ATOM_CONNECTOR_PCIE_SUBCONNECTOR_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;	/* ATOM_CONNECTOR_PCIE_SUBCONNECTOR_RECORD_TYPE */
-	UCHAR ucSubConnectorType;	/* CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D|X_ID_DUAL_LINK_DVI_D|HDMI_TYPE_A */
-	UCHAR ucReserved;
-} ATOM_CONNECTOR_PCIE_SUBCONNECTOR_RECORD;
-
-typedef struct _ATOM_ROUTER_DDC_PATH_SELECT_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	UCHAR ucMuxType;	/* decide the number of ucMuxState, =0, no pin state, =1: single state with complement, >1: multiple state */
-	UCHAR ucMuxControlPin;
-	UCHAR ucMuxState[2];	/* for alligment purpose */
-} ATOM_ROUTER_DDC_PATH_SELECT_RECORD;
-
-typedef struct _ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD {
-	ATOM_COMMON_RECORD_HEADER sheader;
-	UCHAR ucMuxType;
-	UCHAR ucMuxControlPin;
-	UCHAR ucMuxState[2];	/* for alligment purpose */
-} ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD;
-
-/*  define ucMuxType */
+typedef struct  _ATOM_CONNECTOR_CF_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  USHORT                      usMaxPixClk;
+  UCHAR                       ucFlowCntlGpioId;
+  UCHAR                       ucSwapCntlGpioId;
+  UCHAR                       ucConnectedDvoBundle;
+  UCHAR                       ucPadding;
+}ATOM_CONNECTOR_CF_RECORD;
+
+typedef struct  _ATOM_CONNECTOR_HARDCODE_DTD_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+	ATOM_DTD_FORMAT							asTiming;
+}ATOM_CONNECTOR_HARDCODE_DTD_RECORD;
+
+typedef struct _ATOM_CONNECTOR_PCIE_SUBCONNECTOR_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;                //ATOM_CONNECTOR_PCIE_SUBCONNECTOR_RECORD_TYPE
+  UCHAR                       ucSubConnectorType;     //CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D|X_ID_DUAL_LINK_DVI_D|HDMI_TYPE_A
+  UCHAR                       ucReserved;
+}ATOM_CONNECTOR_PCIE_SUBCONNECTOR_RECORD;
+
+
+typedef struct _ATOM_ROUTER_DDC_PATH_SELECT_RECORD
+{
+	ATOM_COMMON_RECORD_HEADER   sheader;                
+	UCHAR												ucMuxType;							//decide the number of ucMuxState, =0, no pin state, =1: single state with complement, >1: multiple state
+	UCHAR												ucMuxControlPin;
+	UCHAR												ucMuxState[2];					//for alligment purpose
+}ATOM_ROUTER_DDC_PATH_SELECT_RECORD;
+
+typedef struct _ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD
+{
+	ATOM_COMMON_RECORD_HEADER   sheader;                
+	UCHAR												ucMuxType;
+	UCHAR												ucMuxControlPin;
+	UCHAR												ucMuxState[2];					//for alligment purpose
+}ATOM_ROUTER_DATA_CLOCK_PATH_SELECT_RECORD;
+
+// define ucMuxType
 #define ATOM_ROUTER_MUX_PIN_STATE_MASK								0x0f
 #define ATOM_ROUTER_MUX_PIN_SINGLE_STATE_COMPLEMENT		0x01
 
-/****************************************************************************/
-/*  ASIC voltage data table */
-/****************************************************************************/
-typedef struct _ATOM_VOLTAGE_INFO_HEADER {
-	USHORT usVDDCBaseLevel;	/* In number of 50mv unit */
-	USHORT usReserved;	/* For possible extension table offset */
-	UCHAR ucNumOfVoltageEntries;
-	UCHAR ucBytesPerVoltageEntry;
-	UCHAR ucVoltageStep;	/* Indicating in how many mv increament is one step, 0.5mv unit */
-	UCHAR ucDefaultVoltageEntry;
-	UCHAR ucVoltageControlI2cLine;
-	UCHAR ucVoltageControlAddress;
-	UCHAR ucVoltageControlOffset;
-} ATOM_VOLTAGE_INFO_HEADER;
-
-typedef struct _ATOM_VOLTAGE_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_VOLTAGE_INFO_HEADER viHeader;
-	UCHAR ucVoltageEntries[64];	/* 64 is for allocation, the actual number of entry is present at ucNumOfVoltageEntries*ucBytesPerVoltageEntry */
-} ATOM_VOLTAGE_INFO;
-
-typedef struct _ATOM_VOLTAGE_FORMULA {
-	USHORT usVoltageBaseLevel;	/*  In number of 1mv unit */
-	USHORT usVoltageStep;	/*  Indicating in how many mv increament is one step, 1mv unit */
-	UCHAR ucNumOfVoltageEntries;	/*  Number of Voltage Entry, which indicate max Voltage */
-	UCHAR ucFlag;		/*  bit0=0 :step is 1mv =1 0.5mv */
-	UCHAR ucBaseVID;	/*  if there is no lookup table, VID= BaseVID + ( Vol - BaseLevle ) /VoltageStep */
-	UCHAR ucReserved;
-	UCHAR ucVIDAdjustEntries[32];	/*  32 is for allocation, the actual number of entry is present at ucNumOfVoltageEntries */
-} ATOM_VOLTAGE_FORMULA;
-
-typedef struct _ATOM_VOLTAGE_CONTROL {
-	UCHAR ucVoltageControlId;	/* Indicate it is controlled by I2C or GPIO or HW state machine */
-	UCHAR ucVoltageControlI2cLine;
-	UCHAR ucVoltageControlAddress;
-	UCHAR ucVoltageControlOffset;
-	USHORT usGpioPin_AIndex;	/* GPIO_PAD register index */
-	UCHAR ucGpioPinBitShift[9];	/* at most 8 pin support 255 VIDs, termintate with 0xff */
-	UCHAR ucReserved;
-} ATOM_VOLTAGE_CONTROL;
-
-/*  Define ucVoltageControlId */
+typedef struct _ATOM_CONNECTOR_HPDPIN_LUT_RECORD     //record for ATOM_CONNECTOR_HPDPIN_LUT_RECORD_TYPE
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  UCHAR                       ucHPDPINMap[MAX_NUMBER_OF_EXT_HPDPIN_LUT_ENTRIES];  //An fixed size array which maps external pins to internal GPIO_PIN_INFO table 
+}ATOM_CONNECTOR_HPDPIN_LUT_RECORD;
+
+typedef struct _ATOM_CONNECTOR_AUXDDC_LUT_RECORD  //record for ATOM_CONNECTOR_AUXDDC_LUT_RECORD_TYPE
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  ATOM_I2C_ID_CONFIG          ucAUXDDCMap[MAX_NUMBER_OF_EXT_AUXDDC_LUT_ENTRIES];  //An fixed size array which maps external pins to internal DDC ID
+}ATOM_CONNECTOR_AUXDDC_LUT_RECORD;
+
+typedef struct _ATOM_OBJECT_LINK_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  USHORT                      usObjectID;         //could be connector, encorder or other object in object.h
+}ATOM_OBJECT_LINK_RECORD;
+
+typedef struct _ATOM_CONNECTOR_REMOTE_CAP_RECORD
+{
+  ATOM_COMMON_RECORD_HEADER   sheader;
+  USHORT                      usReserved;
+}ATOM_CONNECTOR_REMOTE_CAP_RECORD;
+
+/****************************************************************************/	
+// ASIC voltage data table
+/****************************************************************************/	
+typedef struct  _ATOM_VOLTAGE_INFO_HEADER
+{
+   USHORT   usVDDCBaseLevel;                //In number of 50mv unit
+   USHORT   usReserved;                     //For possible extension table offset
+   UCHAR    ucNumOfVoltageEntries;
+   UCHAR    ucBytesPerVoltageEntry;
+   UCHAR    ucVoltageStep;                  //Indicating in how many mv increament is one step, 0.5mv unit
+   UCHAR    ucDefaultVoltageEntry;
+   UCHAR    ucVoltageControlI2cLine;
+   UCHAR    ucVoltageControlAddress;
+   UCHAR    ucVoltageControlOffset;
+}ATOM_VOLTAGE_INFO_HEADER;
+
+typedef struct  _ATOM_VOLTAGE_INFO
+{
+   ATOM_COMMON_TABLE_HEADER	sHeader; 
+   ATOM_VOLTAGE_INFO_HEADER viHeader;
+   UCHAR    ucVoltageEntries[64];            //64 is for allocation, the actual number of entry is present at ucNumOfVoltageEntries*ucBytesPerVoltageEntry
+}ATOM_VOLTAGE_INFO;
+
+
+typedef struct  _ATOM_VOLTAGE_FORMULA
+{
+   USHORT   usVoltageBaseLevel;             // In number of 1mv unit
+   USHORT   usVoltageStep;                  // Indicating in how many mv increament is one step, 1mv unit
+	 UCHAR		ucNumOfVoltageEntries;					// Number of Voltage Entry, which indicate max Voltage
+	 UCHAR		ucFlag;													// bit0=0 :step is 1mv =1 0.5mv
+	 UCHAR		ucBaseVID;											// if there is no lookup table, VID= BaseVID + ( Vol - BaseLevle ) /VoltageStep
+	 UCHAR		ucReserved;
+	 UCHAR		ucVIDAdjustEntries[32];					// 32 is for allocation, the actual number of entry is present at ucNumOfVoltageEntries
+}ATOM_VOLTAGE_FORMULA;
+
+typedef struct  _VOLTAGE_LUT_ENTRY
+{
+	 USHORT		usVoltageCode;									// The Voltage ID, either GPIO or I2C code
+	 USHORT		usVoltageValue;									// The corresponding Voltage Value, in mV
+}VOLTAGE_LUT_ENTRY;
+
+typedef struct  _ATOM_VOLTAGE_FORMULA_V2
+{
+	 UCHAR		ucNumOfVoltageEntries;					// Number of Voltage Entry, which indicate max Voltage
+	 UCHAR		ucReserved[3];
+	 VOLTAGE_LUT_ENTRY asVIDAdjustEntries[32];// 32 is for allocation, the actual number of entries is in ucNumOfVoltageEntries
+}ATOM_VOLTAGE_FORMULA_V2;
+
+typedef struct _ATOM_VOLTAGE_CONTROL
+{
+	UCHAR		 ucVoltageControlId;							//Indicate it is controlled by I2C or GPIO or HW state machine		
+  UCHAR    ucVoltageControlI2cLine;
+  UCHAR    ucVoltageControlAddress;
+  UCHAR    ucVoltageControlOffset;	 	
+  USHORT   usGpioPin_AIndex;								//GPIO_PAD register index
+  UCHAR    ucGpioPinBitShift[9];						//at most 8 pin support 255 VIDs, termintate with 0xff
+	UCHAR		 ucReserved;
+}ATOM_VOLTAGE_CONTROL;
+
+// Define ucVoltageControlId
 #define	VOLTAGE_CONTROLLED_BY_HW							0x00
 #define	VOLTAGE_CONTROLLED_BY_I2C_MASK				0x7F
 #define	VOLTAGE_CONTROLLED_BY_GPIO						0x80
-#define	VOLTAGE_CONTROL_ID_LM64								0x01	/* I2C control, used for R5xx Core Voltage */
-#define	VOLTAGE_CONTROL_ID_DAC								0x02	/* I2C control, used for R5xx/R6xx MVDDC,MVDDQ or VDDCI */
-#define	VOLTAGE_CONTROL_ID_VT116xM						0x03	/* I2C control, used for R6xx Core Voltage */
-#define VOLTAGE_CONTROL_ID_DS4402							0x04
-
-typedef struct _ATOM_VOLTAGE_OBJECT {
-	UCHAR ucVoltageType;	/* Indicate Voltage Source: VDDC, MVDDC, MVDDQ or MVDDCI */
-	UCHAR ucSize;		/* Size of Object */
-	ATOM_VOLTAGE_CONTROL asControl;	/* describ how to control */
-	ATOM_VOLTAGE_FORMULA asFormula;	/* Indicate How to convert real Voltage to VID */
-} ATOM_VOLTAGE_OBJECT;
-
-typedef struct _ATOM_VOLTAGE_OBJECT_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_VOLTAGE_OBJECT asVoltageObj[3];	/* Info for Voltage control */
-} ATOM_VOLTAGE_OBJECT_INFO;
-
-typedef struct _ATOM_LEAKID_VOLTAGE {
-	UCHAR ucLeakageId;
-	UCHAR ucReserved;
-	USHORT usVoltage;
-} ATOM_LEAKID_VOLTAGE;
-
-typedef struct _ATOM_ASIC_PROFILE_VOLTAGE {
-	UCHAR ucProfileId;
-	UCHAR ucReserved;
-	USHORT usSize;
-	USHORT usEfuseSpareStartAddr;
-	USHORT usFuseIndex[8];	/* from LSB to MSB, Max 8bit,end of 0xffff if less than 8 efuse id, */
-	ATOM_LEAKID_VOLTAGE asLeakVol[2];	/* Leakid and relatd voltage */
-} ATOM_ASIC_PROFILE_VOLTAGE;
-
-/* ucProfileId */
-#define	ATOM_ASIC_PROFILE_ID_EFUSE_VOLTAGE			1
+#define	VOLTAGE_CONTROL_ID_LM64								0x01									//I2C control, used for R5xx Core Voltage
+#define	VOLTAGE_CONTROL_ID_DAC								0x02									//I2C control, used for R5xx/R6xx MVDDC,MVDDQ or VDDCI
+#define	VOLTAGE_CONTROL_ID_VT116xM						0x03									//I2C control, used for R6xx Core Voltage
+#define VOLTAGE_CONTROL_ID_DS4402							0x04									
+
+typedef struct  _ATOM_VOLTAGE_OBJECT
+{
+ 	 UCHAR		ucVoltageType;									//Indicate Voltage Source: VDDC, MVDDC, MVDDQ or MVDDCI	 
+	 UCHAR		ucSize;													//Size of Object	
+	 ATOM_VOLTAGE_CONTROL			asControl;			//describ how to control 	 
+ 	 ATOM_VOLTAGE_FORMULA			asFormula;			//Indicate How to convert real Voltage to VID 
+}ATOM_VOLTAGE_OBJECT;
+
+typedef struct  _ATOM_VOLTAGE_OBJECT_V2
+{
+ 	 UCHAR		ucVoltageType;									//Indicate Voltage Source: VDDC, MVDDC, MVDDQ or MVDDCI	 
+	 UCHAR		ucSize;													//Size of Object	
+	 ATOM_VOLTAGE_CONTROL			asControl;			//describ how to control 	 
+ 	 ATOM_VOLTAGE_FORMULA_V2	asFormula;			//Indicate How to convert real Voltage to VID 
+}ATOM_VOLTAGE_OBJECT_V2;
+
+typedef struct  _ATOM_VOLTAGE_OBJECT_INFO
+{
+   ATOM_COMMON_TABLE_HEADER	sHeader; 
+	 ATOM_VOLTAGE_OBJECT			asVoltageObj[3];	//Info for Voltage control	  	 
+}ATOM_VOLTAGE_OBJECT_INFO;
+
+typedef struct  _ATOM_VOLTAGE_OBJECT_INFO_V2
+{
+   ATOM_COMMON_TABLE_HEADER	sHeader; 
+	 ATOM_VOLTAGE_OBJECT_V2			asVoltageObj[3];	//Info for Voltage control	  	 
+}ATOM_VOLTAGE_OBJECT_INFO_V2;
+
+typedef struct  _ATOM_LEAKID_VOLTAGE
+{
+	UCHAR		ucLeakageId;
+	UCHAR		ucReserved;
+	USHORT	usVoltage;
+}ATOM_LEAKID_VOLTAGE;
+
+typedef struct  _ATOM_ASIC_PROFILE_VOLTAGE
+{
+	UCHAR		ucProfileId;
+	UCHAR		ucReserved;
+	USHORT	usSize;
+	USHORT	usEfuseSpareStartAddr;
+	USHORT	usFuseIndex[8];												//from LSB to MSB, Max 8bit,end of 0xffff if less than 8 efuse id, 
+	ATOM_LEAKID_VOLTAGE					asLeakVol[2];			//Leakid and relatd voltage
+}ATOM_ASIC_PROFILE_VOLTAGE;
+
+//ucProfileId
+#define	ATOM_ASIC_PROFILE_ID_EFUSE_VOLTAGE			1		
 #define	ATOM_ASIC_PROFILE_ID_EFUSE_PERFORMANCE_VOLTAGE			1
 #define	ATOM_ASIC_PROFILE_ID_EFUSE_THERMAL_VOLTAGE					2
 
-typedef struct _ATOM_ASIC_PROFILING_INFO {
-	ATOM_COMMON_TABLE_HEADER asHeader;
-	ATOM_ASIC_PROFILE_VOLTAGE asVoltage;
-} ATOM_ASIC_PROFILING_INFO;
-
-typedef struct _ATOM_POWER_SOURCE_OBJECT {
-	UCHAR ucPwrSrcId;	/*  Power source */
-	UCHAR ucPwrSensorType;	/*  GPIO, I2C or none */
-	UCHAR ucPwrSensId;	/*  if GPIO detect, it is GPIO id,  if I2C detect, it is I2C id */
-	UCHAR ucPwrSensSlaveAddr;	/*  Slave address if I2C detect */
-	UCHAR ucPwrSensRegIndex;	/*  I2C register Index if I2C detect */
-	UCHAR ucPwrSensRegBitMask;	/*  detect which bit is used if I2C detect */
-	UCHAR ucPwrSensActiveState;	/*  high active or low active */
-	UCHAR ucReserve[3];	/*  reserve */
-	USHORT usSensPwr;	/*  in unit of watt */
-} ATOM_POWER_SOURCE_OBJECT;
-
-typedef struct _ATOM_POWER_SOURCE_INFO {
-	ATOM_COMMON_TABLE_HEADER asHeader;
-	UCHAR asPwrbehave[16];
-	ATOM_POWER_SOURCE_OBJECT asPwrObj[1];
-} ATOM_POWER_SOURCE_INFO;
-
-/* Define ucPwrSrcId */
+typedef struct  _ATOM_ASIC_PROFILING_INFO
+{
+  ATOM_COMMON_TABLE_HEADER			asHeader; 
+	ATOM_ASIC_PROFILE_VOLTAGE			asVoltage;
+}ATOM_ASIC_PROFILING_INFO;
+
+typedef struct _ATOM_POWER_SOURCE_OBJECT
+{
+	UCHAR	ucPwrSrcId;													// Power source
+	UCHAR	ucPwrSensorType;										// GPIO, I2C or none
+	UCHAR	ucPwrSensId;											  // if GPIO detect, it is GPIO id,  if I2C detect, it is I2C id
+	UCHAR	ucPwrSensSlaveAddr;									// Slave address if I2C detect
+	UCHAR ucPwrSensRegIndex;									// I2C register Index if I2C detect
+	UCHAR ucPwrSensRegBitMask;								// detect which bit is used if I2C detect
+	UCHAR	ucPwrSensActiveState;								// high active or low active
+	UCHAR	ucReserve[3];												// reserve		
+	USHORT usSensPwr;													// in unit of watt
+}ATOM_POWER_SOURCE_OBJECT;
+
+typedef struct _ATOM_POWER_SOURCE_INFO
+{
+		ATOM_COMMON_TABLE_HEADER		asHeader;
+		UCHAR												asPwrbehave[16];
+		ATOM_POWER_SOURCE_OBJECT		asPwrObj[1];
+}ATOM_POWER_SOURCE_INFO;
+
+
+//Define ucPwrSrcId
 #define POWERSOURCE_PCIE_ID1						0x00
 #define POWERSOURCE_6PIN_CONNECTOR_ID1	0x01
 #define POWERSOURCE_8PIN_CONNECTOR_ID1	0x02
 #define POWERSOURCE_6PIN_CONNECTOR_ID2	0x04
 #define POWERSOURCE_8PIN_CONNECTOR_ID2	0x08
 
-/* define ucPwrSensorId */
+//define ucPwrSensorId
 #define POWER_SENSOR_ALWAYS							0x00
 #define POWER_SENSOR_GPIO								0x01
 #define POWER_SENSOR_I2C								0x02
 
+typedef struct _ATOM_INTEGRATED_SYSTEM_INFO_V6
+{
+  ATOM_COMMON_TABLE_HEADER   sHeader;
+  ULONG  ulBootUpEngineClock;
+  ULONG  ulDentistVCOFreq;          
+  ULONG  ulBootUpUMAClock;          
+  ULONG  ulReserved1[8];            
+  ULONG  ulBootUpReqDisplayVector;
+  ULONG  ulOtherDisplayMisc;
+  ULONG  ulGPUCapInfo;
+  ULONG  ulReserved2[3];            
+  ULONG  ulSystemConfig;            
+  ULONG  ulCPUCapInfo;              
+  USHORT usMaxNBVoltage;  
+  USHORT usMinNBVoltage;  
+  USHORT usBootUpNBVoltage;         
+  USHORT usExtDispConnInfoOffset;  
+  UCHAR  ucHtcTmpLmt;   
+  UCHAR  ucTjOffset;    
+  UCHAR  ucMemoryType;  
+  UCHAR  ucUMAChannelNumber;
+  ULONG  ulCSR_M3_ARB_CNTL_DEFAULT[10];  
+  ULONG  ulCSR_M3_ARB_CNTL_UVD[10]; 
+  ULONG  ulCSR_M3_ARB_CNTL_FS3D[10];
+  ULONG  ulReserved3[42]; 
+  ATOM_EXTERNAL_DISPLAY_CONNECTION_INFO sExtDispConnInfo;   
+}ATOM_INTEGRATED_SYSTEM_INFO_V6;   
+
+/**********************************************************************************************************************
+// ATOM_INTEGRATED_SYSTEM_INFO_V6 Description
+//ulBootUpEngineClock:              VBIOS bootup Engine clock frequency, in 10kHz unit. 
+//ulDentistVCOFreq:                 Dentist VCO clock in 10kHz unit. 
+//ulBootUpUMAClock:                 System memory boot up clock frequency in 10Khz unit. 
+//ulReserved1[8]                    Reserved by now, must be 0x0. 
+//ulBootUpReqDisplayVector	        VBIOS boot up display IDs
+//                                  ATOM_DEVICE_CRT1_SUPPORT                  0x0001
+//                                  ATOM_DEVICE_CRT2_SUPPORT                  0x0010
+//                                  ATOM_DEVICE_DFP1_SUPPORT                  0x0008 
+//                                  ATOM_DEVICE_DFP6_SUPPORT                  0x0040 
+//                                  ATOM_DEVICE_DFP2_SUPPORT                  0x0080       
+//                                  ATOM_DEVICE_DFP3_SUPPORT                  0x0200       
+//                                  ATOM_DEVICE_DFP4_SUPPORT                  0x0400        
+//                                  ATOM_DEVICE_DFP5_SUPPORT                  0x0800
+//                                  ATOM_DEVICE_LCD1_SUPPORT                  0x0002
+//ulOtherDisplayMisc      	        Other display related flags, not defined yet. 
+//ulGPUCapInfo                      TBD
+//ulReserved2[3]                    must be 0x0 for the reserved.
+//ulSystemConfig                    TBD
+//ulCPUCapInfo                      TBD
+//usMaxNBVoltage                    High NB voltage in unit of mv, calculated using current VDDNB (D24F2xDC) and VDDNB offset fuse. 
+//usMinNBVoltage                    Low NB voltage in unit of mv, calculated using current VDDNB (D24F2xDC) and VDDNB offset fuse.
+//usBootUpNBVoltage                 Boot up NB voltage in unit of mv.
+//ucHtcTmpLmt                       Bit [22:16] of D24F3x64 Thermal Control (HTC) Register.
+//ucTjOffset                        Bit [28:22] of D24F3xE4 Thermtrip Status Register,may not be needed.
+//ucMemoryType                      [3:0]=1:DDR1;=2:DDR2;=3:DDR3.[7:4] is reserved.
+//ucUMAChannelNumber      	        System memory channel numbers. 
+//usExtDispConnectionInfoOffset     ATOM_EXTERNAL_DISPLAY_CONNECTION_INFO offset relative to beginning of this table. 
+//ulCSR_M3_ARB_CNTL_DEFAULT[10]     Arrays with values for CSR M3 arbiter for default
+//ulCSR_M3_ARB_CNTL_UVD[10]         Arrays with values for CSR M3 arbiter for UVD playback.
+//ulCSR_M3_ARB_CNTL_FS3D[10]        Arrays with values for CSR M3 arbiter for Full Screen 3D applications.
+**********************************************************************************************************************/
+
 /**************************************************************************/
-/*  This portion is only used when ext thermal chip or engine/memory clock SS chip is populated on a design */
-/* Memory SS Info Table */
-/* Define Memory Clock SS chip ID */
+// This portion is only used when ext thermal chip or engine/memory clock SS chip is populated on a design
+//Memory SS Info Table
+//Define Memory Clock SS chip ID
 #define ICS91719  1
 #define ICS91720  2
 
-/* Define one structure to inform SW a "block of data" writing to external SS chip via I2C protocol */
-typedef struct _ATOM_I2C_DATA_RECORD {
-	UCHAR ucNunberOfBytes;	/* Indicates how many bytes SW needs to write to the external ASIC for one block, besides to "Start" and "Stop" */
-	UCHAR ucI2CData[1];	/* I2C data in bytes, should be less than 16 bytes usually */
-} ATOM_I2C_DATA_RECORD;
-
-/* Define one structure to inform SW how many blocks of data writing to external SS chip via I2C protocol, in addition to other information */
-typedef struct _ATOM_I2C_DEVICE_SETUP_INFO {
-	ATOM_I2C_ID_CONFIG_ACCESS sucI2cId;	/* I2C line and HW/SW assisted cap. */
-	UCHAR ucSSChipID;	/* SS chip being used */
-	UCHAR ucSSChipSlaveAddr;	/* Slave Address to set up this SS chip */
-	UCHAR ucNumOfI2CDataRecords;	/* number of data block */
-	ATOM_I2C_DATA_RECORD asI2CData[1];
-} ATOM_I2C_DEVICE_SETUP_INFO;
-
-/* ========================================================================================== */
-typedef struct _ATOM_ASIC_MVDD_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_I2C_DEVICE_SETUP_INFO asI2CSetup[1];
-} ATOM_ASIC_MVDD_INFO;
-
-/* ========================================================================================== */
+//Define one structure to inform SW a "block of data" writing to external SS chip via I2C protocol
+typedef struct _ATOM_I2C_DATA_RECORD
+{
+  UCHAR         ucNunberOfBytes;                                              //Indicates how many bytes SW needs to write to the external ASIC for one block, besides to "Start" and "Stop"
+  UCHAR         ucI2CData[1];                                                 //I2C data in bytes, should be less than 16 bytes usually
+}ATOM_I2C_DATA_RECORD;
+
+
+//Define one structure to inform SW how many blocks of data writing to external SS chip via I2C protocol, in addition to other information
+typedef struct _ATOM_I2C_DEVICE_SETUP_INFO
+{
+  ATOM_I2C_ID_CONFIG_ACCESS       sucI2cId;               //I2C line and HW/SW assisted cap.
+  UCHAR		                        ucSSChipID;             //SS chip being used
+  UCHAR		                        ucSSChipSlaveAddr;      //Slave Address to set up this SS chip
+  UCHAR                           ucNumOfI2CDataRecords;  //number of data block
+  ATOM_I2C_DATA_RECORD            asI2CData[1];  
+}ATOM_I2C_DEVICE_SETUP_INFO;
+
+//==========================================================================================
+typedef struct  _ATOM_ASIC_MVDD_INFO
+{
+  ATOM_COMMON_TABLE_HEADER	      sHeader; 
+  ATOM_I2C_DEVICE_SETUP_INFO      asI2CSetup[1];
+}ATOM_ASIC_MVDD_INFO;
+
+//==========================================================================================
 #define ATOM_MCLK_SS_INFO         ATOM_ASIC_MVDD_INFO
 
-/* ========================================================================================== */
+//==========================================================================================
 /**************************************************************************/
 
-typedef struct _ATOM_ASIC_SS_ASSIGNMENT {
-	ULONG ulTargetClockRange;	/* Clock Out frequence (VCO ), in unit of 10Khz */
-	USHORT usSpreadSpectrumPercentage;	/* in unit of 0.01% */
-	USHORT usSpreadRateInKhz;	/* in unit of kHz, modulation freq */
-	UCHAR ucClockIndication;	/* Indicate which clock source needs SS */
-	UCHAR ucSpreadSpectrumMode;	/* Bit1=0 Down Spread,=1 Center Spread. */
-	UCHAR ucReserved[2];
-} ATOM_ASIC_SS_ASSIGNMENT;
-
-/* Define ucSpreadSpectrumType */
+typedef struct _ATOM_ASIC_SS_ASSIGNMENT
+{
+	ULONG								ulTargetClockRange;						//Clock Out frequence (VCO ), in unit of 10Khz
+  USHORT              usSpreadSpectrumPercentage;		//in unit of 0.01%
+	USHORT							usSpreadRateInKhz;						//in unit of kHz, modulation freq
+  UCHAR               ucClockIndication;					  //Indicate which clock source needs SS
+	UCHAR								ucSpreadSpectrumMode;					//Bit1=0 Down Spread,=1 Center Spread.
+	UCHAR								ucReserved[2];
+}ATOM_ASIC_SS_ASSIGNMENT;
+
+//Define ucClockIndication, SW uses the IDs below to search if the SS is requried/enabled on a clock branch/signal type.
+//SS is not required or enabled if a match is not found.
 #define ASIC_INTERNAL_MEMORY_SS			1
 #define ASIC_INTERNAL_ENGINE_SS			2
-#define ASIC_INTERNAL_UVD_SS				3
+#define ASIC_INTERNAL_UVD_SS        3
+#define ASIC_INTERNAL_SS_ON_TMDS    4
+#define ASIC_INTERNAL_SS_ON_HDMI    5
+#define ASIC_INTERNAL_SS_ON_LVDS    6
+#define ASIC_INTERNAL_SS_ON_DP      7
+#define ASIC_INTERNAL_SS_ON_DCPLL   8
+
+typedef struct _ATOM_ASIC_SS_ASSIGNMENT_V2
+{
+	ULONG								ulTargetClockRange;						//For mem/engine/uvd, Clock Out frequence (VCO ), in unit of 10Khz
+                                                    //For TMDS/HDMI/LVDS, it is pixel clock , for DP, it is link clock ( 27000 or 16200 )
+  USHORT              usSpreadSpectrumPercentage;		//in unit of 0.01%
+	USHORT							usSpreadRateIn10Hz;						//in unit of 10Hz, modulation freq
+  UCHAR               ucClockIndication;					  //Indicate which clock source needs SS
+	UCHAR								ucSpreadSpectrumMode;					//Bit0=0 Down Spread,=1 Center Spread, bit1=0: internal SS bit1=1: external SS
+	UCHAR								ucReserved[2];
+}ATOM_ASIC_SS_ASSIGNMENT_V2;
+
+//ucSpreadSpectrumMode
+//#define ATOM_SS_DOWN_SPREAD_MODE_MASK          0x00000000
+//#define ATOM_SS_DOWN_SPREAD_MODE               0x00000000
+//#define ATOM_SS_CENTRE_SPREAD_MODE_MASK        0x00000001
+//#define ATOM_SS_CENTRE_SPREAD_MODE             0x00000001
+//#define ATOM_INTERNAL_SS_MASK                  0x00000000
+//#define ATOM_EXTERNAL_SS_MASK                  0x00000002
+
+typedef struct _ATOM_ASIC_INTERNAL_SS_INFO
+{
+  ATOM_COMMON_TABLE_HEADER	      sHeader; 
+  ATOM_ASIC_SS_ASSIGNMENT		      asSpreadSpectrum[4];
+}ATOM_ASIC_INTERNAL_SS_INFO;
 
-typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_ASIC_SS_ASSIGNMENT asSpreadSpectrum[4];
-} ATOM_ASIC_INTERNAL_SS_INFO;
+typedef struct _ATOM_ASIC_INTERNAL_SS_INFO_V2
+{
+  ATOM_COMMON_TABLE_HEADER	      sHeader; 
+  ATOM_ASIC_SS_ASSIGNMENT_V2		  asSpreadSpectrum[1];      //this is point only. 
+}ATOM_ASIC_INTERNAL_SS_INFO_V2;
 
-/* ==============================Scratch Pad Definition Portion=============================== */
+typedef struct _ATOM_ASIC_SS_ASSIGNMENT_V3
+{
+	ULONG								ulTargetClockRange;						//For mem/engine/uvd, Clock Out frequence (VCO ), in unit of 10Khz
+                                                    //For TMDS/HDMI/LVDS, it is pixel clock , for DP, it is link clock ( 27000 or 16200 )
+  USHORT              usSpreadSpectrumPercentage;		//in unit of 0.01%
+	USHORT							usSpreadRateIn10Hz;						//in unit of 10Hz, modulation freq
+  UCHAR               ucClockIndication;					  //Indicate which clock source needs SS
+	UCHAR								ucSpreadSpectrumMode;					//Bit0=0 Down Spread,=1 Center Spread, bit1=0: internal SS bit1=1: external SS
+	UCHAR								ucReserved[2];
+}ATOM_ASIC_SS_ASSIGNMENT_V3;
+
+typedef struct _ATOM_ASIC_INTERNAL_SS_INFO_V3
+{
+  ATOM_COMMON_TABLE_HEADER	      sHeader; 
+  ATOM_ASIC_SS_ASSIGNMENT_V3		  asSpreadSpectrum[1];      //this is pointer only. 
+}ATOM_ASIC_INTERNAL_SS_INFO_V3;
+
+
+//==============================Scratch Pad Definition Portion===============================
 #define ATOM_DEVICE_CONNECT_INFO_DEF  0
 #define ATOM_ROM_LOCATION_DEF         1
 #define ATOM_TV_STANDARD_DEF          2
@@ -2995,7 +3852,8 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_I2C_CHANNEL_STATUS_DEF   8
 #define ATOM_I2C_CHANNEL_STATUS1_DEF  9
 
-/*  BIOS_0_SCRATCH Definition */
+
+// BIOS_0_SCRATCH Definition 
 #define ATOM_S0_CRT1_MONO               0x00000001L
 #define ATOM_S0_CRT1_COLOR              0x00000002L
 #define ATOM_S0_CRT1_MASK               (ATOM_S0_CRT1_MONO+ATOM_S0_CRT1_COLOR)
@@ -3008,6 +3866,7 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S0_CV_DIN_A                0x00000020L
 #define ATOM_S0_CV_MASK_A               (ATOM_S0_CV_A+ATOM_S0_CV_DIN_A)
 
+
 #define ATOM_S0_CRT2_MONO               0x00000100L
 #define ATOM_S0_CRT2_COLOR              0x00000200L
 #define ATOM_S0_CRT2_MASK               (ATOM_S0_CRT2_MONO+ATOM_S0_CRT2_COLOR)
@@ -3025,28 +3884,27 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S0_DFP2                    0x00020000L
 #define ATOM_S0_LCD1                    0x00040000L
 #define ATOM_S0_LCD2                    0x00080000L
-#define ATOM_S0_TV2                     0x00100000L
-#define ATOM_S0_DFP3			0x00200000L
-#define ATOM_S0_DFP4			0x00400000L
-#define ATOM_S0_DFP5			0x00800000L
+#define ATOM_S0_DFP6                    0x00100000L
+#define ATOM_S0_DFP3                    0x00200000L
+#define ATOM_S0_DFP4                    0x00400000L
+#define ATOM_S0_DFP5                    0x00800000L
 
-#define ATOM_S0_DFP_MASK \
-	(ATOM_S0_DFP1 | ATOM_S0_DFP2 | ATOM_S0_DFP3 | ATOM_S0_DFP4 | ATOM_S0_DFP5)
+#define ATOM_S0_DFP_MASK                ATOM_S0_DFP1 | ATOM_S0_DFP2 | ATOM_S0_DFP3 | ATOM_S0_DFP4 | ATOM_S0_DFP5 | ATOM_S0_DFP6
 
-#define ATOM_S0_FAD_REGISTER_BUG        0x02000000L	/*  If set, indicates we are running a PCIE asic with */
-						    /*  the FAD/HDP reg access bug.  Bit is read by DAL */
+#define ATOM_S0_FAD_REGISTER_BUG        0x02000000L // If set, indicates we are running a PCIE asic with 
+                                                    // the FAD/HDP reg access bug.  Bit is read by DAL, this is obsolete from RV5xx
 
 #define ATOM_S0_THERMAL_STATE_MASK      0x1C000000L
 #define ATOM_S0_THERMAL_STATE_SHIFT     26
 
 #define ATOM_S0_SYSTEM_POWER_STATE_MASK 0xE0000000L
-#define ATOM_S0_SYSTEM_POWER_STATE_SHIFT 29
+#define ATOM_S0_SYSTEM_POWER_STATE_SHIFT 29 
 
 #define ATOM_S0_SYSTEM_POWER_STATE_VALUE_AC     1
 #define ATOM_S0_SYSTEM_POWER_STATE_VALUE_DC     2
 #define ATOM_S0_SYSTEM_POWER_STATE_VALUE_LITEAC 3
 
-/* Byte aligned definition for BIOS usage */
+//Byte aligned defintion for BIOS usage
 #define ATOM_S0_CRT1_MONOb0             0x01
 #define ATOM_S0_CRT1_COLORb0            0x02
 #define ATOM_S0_CRT1_MASKb0             (ATOM_S0_CRT1_MONOb0+ATOM_S0_CRT1_COLORb0)
@@ -3076,8 +3934,11 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S0_DFP2b2                  0x02
 #define ATOM_S0_LCD1b2                  0x04
 #define ATOM_S0_LCD2b2                  0x08
-#define ATOM_S0_TV2b2                   0x10
-#define ATOM_S0_DFP3b2									0x20
+#define ATOM_S0_DFP6b2                  0x10
+#define ATOM_S0_DFP3b2                  0x20
+#define ATOM_S0_DFP4b2                  0x40
+#define ATOM_S0_DFP5b2                  0x80
+
 
 #define ATOM_S0_THERMAL_STATE_MASKb3    0x1C
 #define ATOM_S0_THERMAL_STATE_SHIFTb3   2
@@ -3085,43 +3946,20 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S0_SYSTEM_POWER_STATE_MASKb3 0xE0
 #define ATOM_S0_LCD1_SHIFT              18
 
-/*  BIOS_1_SCRATCH Definition */
+// BIOS_1_SCRATCH Definition
 #define ATOM_S1_ROM_LOCATION_MASK       0x0000FFFFL
 #define ATOM_S1_PCI_BUS_DEV_MASK        0xFFFF0000L
 
-/*       BIOS_2_SCRATCH Definition */
+//	BIOS_2_SCRATCH Definition
 #define ATOM_S2_TV1_STANDARD_MASK       0x0000000FL
 #define ATOM_S2_CURRENT_BL_LEVEL_MASK   0x0000FF00L
 #define ATOM_S2_CURRENT_BL_LEVEL_SHIFT  8
 
-#define ATOM_S2_CRT1_DPMS_STATE         0x00010000L
-#define ATOM_S2_LCD1_DPMS_STATE	        0x00020000L
-#define ATOM_S2_TV1_DPMS_STATE          0x00040000L
-#define ATOM_S2_DFP1_DPMS_STATE         0x00080000L
-#define ATOM_S2_CRT2_DPMS_STATE         0x00100000L
-#define ATOM_S2_LCD2_DPMS_STATE         0x00200000L
-#define ATOM_S2_TV2_DPMS_STATE          0x00400000L
-#define ATOM_S2_DFP2_DPMS_STATE         0x00800000L
-#define ATOM_S2_CV_DPMS_STATE           0x01000000L
-#define ATOM_S2_DFP3_DPMS_STATE					0x02000000L
-#define ATOM_S2_DFP4_DPMS_STATE					0x04000000L
-#define ATOM_S2_DFP5_DPMS_STATE					0x08000000L
-
-#define ATOM_S2_DFP_DPM_STATE \
-	(ATOM_S2_DFP1_DPMS_STATE | ATOM_S2_DFP2_DPMS_STATE | \
-	 ATOM_S2_DFP3_DPMS_STATE | ATOM_S2_DFP4_DPMS_STATE | \
-	 ATOM_S2_DFP5_DPMS_STATE)
-
-#define ATOM_S2_DEVICE_DPMS_STATE \
-	(ATOM_S2_CRT1_DPMS_STATE + ATOM_S2_LCD1_DPMS_STATE + \
-	 ATOM_S2_TV1_DPMS_STATE + ATOM_S2_DFP_DPMS_STATE + \
-	 ATOM_S2_CRT2_DPMS_STATE + ATOM_S2_LCD2_DPMS_STATE + \
-	 ATOM_S2_TV2_DPMS_STATE + ATOM_S2_CV_DPMS_STATE)
-
 #define ATOM_S2_FORCEDLOWPWRMODE_STATE_MASK       0x0C000000L
 #define ATOM_S2_FORCEDLOWPWRMODE_STATE_MASK_SHIFT 26
 #define ATOM_S2_FORCEDLOWPWRMODE_STATE_CHANGE     0x10000000L
 
+#define ATOM_S2_DEVICE_DPMS_STATE       0x00010000L
 #define ATOM_S2_VRI_BRIGHT_ENABLE       0x20000000L
 
 #define ATOM_S2_DISPLAY_ROTATION_0_DEGREE     0x0
@@ -3131,21 +3969,11 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S2_DISPLAY_ROTATION_DEGREE_SHIFT 30
 #define ATOM_S2_DISPLAY_ROTATION_ANGLE_MASK   0xC0000000L
 
-/* Byte aligned definition for BIOS usage */
+
+//Byte aligned defintion for BIOS usage
 #define ATOM_S2_TV1_STANDARD_MASKb0     0x0F
 #define ATOM_S2_CURRENT_BL_LEVEL_MASKb1 0xFF
-#define ATOM_S2_CRT1_DPMS_STATEb2       0x01
-#define ATOM_S2_LCD1_DPMS_STATEb2       0x02
-#define ATOM_S2_TV1_DPMS_STATEb2        0x04
-#define ATOM_S2_DFP1_DPMS_STATEb2       0x08
-#define ATOM_S2_CRT2_DPMS_STATEb2       0x10
-#define ATOM_S2_LCD2_DPMS_STATEb2       0x20
-#define ATOM_S2_TV2_DPMS_STATEb2        0x40
-#define ATOM_S2_DFP2_DPMS_STATEb2       0x80
-#define ATOM_S2_CV_DPMS_STATEb3         0x01
-#define ATOM_S2_DFP3_DPMS_STATEb3				0x02
-#define ATOM_S2_DFP4_DPMS_STATEb3				0x04
-#define ATOM_S2_DFP5_DPMS_STATEb3				0x08
+#define ATOM_S2_DEVICE_DPMS_STATEb2     0x01
 
 #define ATOM_S2_DEVICE_DPMS_MASKw1      0x3FF
 #define ATOM_S2_FORCEDLOWPWRMODE_STATE_MASKb3     0x0C
@@ -3153,21 +3981,22 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S2_VRI_BRIGHT_ENABLEb3     0x20
 #define ATOM_S2_ROTATION_STATE_MASKb3   0xC0
 
-/*  BIOS_3_SCRATCH Definition */
+
+// BIOS_3_SCRATCH Definition
 #define ATOM_S3_CRT1_ACTIVE             0x00000001L
 #define ATOM_S3_LCD1_ACTIVE             0x00000002L
 #define ATOM_S3_TV1_ACTIVE              0x00000004L
 #define ATOM_S3_DFP1_ACTIVE             0x00000008L
 #define ATOM_S3_CRT2_ACTIVE             0x00000010L
 #define ATOM_S3_LCD2_ACTIVE             0x00000020L
-#define ATOM_S3_TV2_ACTIVE              0x00000040L
+#define ATOM_S3_DFP6_ACTIVE             0x00000040L
 #define ATOM_S3_DFP2_ACTIVE             0x00000080L
 #define ATOM_S3_CV_ACTIVE               0x00000100L
 #define ATOM_S3_DFP3_ACTIVE							0x00000200L
 #define ATOM_S3_DFP4_ACTIVE							0x00000400L
 #define ATOM_S3_DFP5_ACTIVE							0x00000800L
 
-#define ATOM_S3_DEVICE_ACTIVE_MASK      0x000003FFL
+#define ATOM_S3_DEVICE_ACTIVE_MASK      0x00000FFFL
 
 #define ATOM_S3_LCD_FULLEXPANSION_ACTIVE         0x00001000L
 #define ATOM_S3_LCD_EXPANSION_ASPEC_RATIO_ACTIVE 0x00002000L
@@ -3178,7 +4007,7 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S3_DFP1_CRTC_ACTIVE        0x00080000L
 #define ATOM_S3_CRT2_CRTC_ACTIVE        0x00100000L
 #define ATOM_S3_LCD2_CRTC_ACTIVE        0x00200000L
-#define ATOM_S3_TV2_CRTC_ACTIVE         0x00400000L
+#define ATOM_S3_DFP6_CRTC_ACTIVE        0x00400000L
 #define ATOM_S3_DFP2_CRTC_ACTIVE        0x00800000L
 #define ATOM_S3_CV_CRTC_ACTIVE          0x01000000L
 #define ATOM_S3_DFP3_CRTC_ACTIVE				0x02000000L
@@ -3187,17 +4016,18 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 
 #define ATOM_S3_DEVICE_CRTC_ACTIVE_MASK 0x0FFF0000L
 #define ATOM_S3_ASIC_GUI_ENGINE_HUNG    0x20000000L
+//Below two definitions are not supported in pplib, but in the old powerplay in DAL
 #define ATOM_S3_ALLOW_FAST_PWR_SWITCH   0x40000000L
 #define ATOM_S3_RQST_GPU_USE_MIN_PWR    0x80000000L
 
-/* Byte aligned definition for BIOS usage */
+//Byte aligned defintion for BIOS usage
 #define ATOM_S3_CRT1_ACTIVEb0           0x01
 #define ATOM_S3_LCD1_ACTIVEb0           0x02
 #define ATOM_S3_TV1_ACTIVEb0            0x04
 #define ATOM_S3_DFP1_ACTIVEb0           0x08
 #define ATOM_S3_CRT2_ACTIVEb0           0x10
 #define ATOM_S3_LCD2_ACTIVEb0           0x20
-#define ATOM_S3_TV2_ACTIVEb0            0x40
+#define ATOM_S3_DFP6_ACTIVEb0           0x40
 #define ATOM_S3_DFP2_ACTIVEb0           0x80
 #define ATOM_S3_CV_ACTIVEb1             0x01
 #define ATOM_S3_DFP3_ACTIVEb1						0x02
@@ -3212,7 +4042,7 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S3_DFP1_CRTC_ACTIVEb2      0x08
 #define ATOM_S3_CRT2_CRTC_ACTIVEb2      0x10
 #define ATOM_S3_LCD2_CRTC_ACTIVEb2      0x20
-#define ATOM_S3_TV2_CRTC_ACTIVEb2       0x40
+#define ATOM_S3_DFP6_CRTC_ACTIVEb2      0x40
 #define ATOM_S3_DFP2_CRTC_ACTIVEb2      0x80
 #define ATOM_S3_CV_CRTC_ACTIVEb3        0x01
 #define ATOM_S3_DFP3_CRTC_ACTIVEb3			0x02
@@ -3221,35 +4051,31 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 
 #define ATOM_S3_ACTIVE_CRTC2w1          0xFFF
 
-#define ATOM_S3_ASIC_GUI_ENGINE_HUNGb3	0x20
-#define ATOM_S3_ALLOW_FAST_PWR_SWITCHb3 0x40
-#define ATOM_S3_RQST_GPU_USE_MIN_PWRb3  0x80
-
-/*  BIOS_4_SCRATCH Definition */
+// BIOS_4_SCRATCH Definition
 #define ATOM_S4_LCD1_PANEL_ID_MASK      0x000000FFL
 #define ATOM_S4_LCD1_REFRESH_MASK       0x0000FF00L
 #define ATOM_S4_LCD1_REFRESH_SHIFT      8
 
-/* Byte aligned definition for BIOS usage */
+//Byte aligned defintion for BIOS usage
 #define ATOM_S4_LCD1_PANEL_ID_MASKb0	  0x0FF
 #define ATOM_S4_LCD1_REFRESH_MASKb1		  ATOM_S4_LCD1_PANEL_ID_MASKb0
 #define ATOM_S4_VRAM_INFO_MASKb2        ATOM_S4_LCD1_PANEL_ID_MASKb0
 
-/*  BIOS_5_SCRATCH Definition, BIOS_5_SCRATCH is used by Firmware only !!!! */
+// BIOS_5_SCRATCH Definition, BIOS_5_SCRATCH is used by Firmware only !!!!
 #define ATOM_S5_DOS_REQ_CRT1b0          0x01
 #define ATOM_S5_DOS_REQ_LCD1b0          0x02
 #define ATOM_S5_DOS_REQ_TV1b0           0x04
 #define ATOM_S5_DOS_REQ_DFP1b0          0x08
 #define ATOM_S5_DOS_REQ_CRT2b0          0x10
 #define ATOM_S5_DOS_REQ_LCD2b0          0x20
-#define ATOM_S5_DOS_REQ_TV2b0           0x40
+#define ATOM_S5_DOS_REQ_DFP6b0          0x40
 #define ATOM_S5_DOS_REQ_DFP2b0          0x80
 #define ATOM_S5_DOS_REQ_CVb1            0x01
 #define ATOM_S5_DOS_REQ_DFP3b1					0x02
 #define ATOM_S5_DOS_REQ_DFP4b1					0x04
 #define ATOM_S5_DOS_REQ_DFP5b1					0x08
 
-#define ATOM_S5_DOS_REQ_DEVICEw0        0x03FF
+#define ATOM_S5_DOS_REQ_DEVICEw0        0x0FFF
 
 #define ATOM_S5_DOS_REQ_CRT1            0x0001
 #define ATOM_S5_DOS_REQ_LCD1            0x0002
@@ -3257,22 +4083,21 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S5_DOS_REQ_DFP1            0x0008
 #define ATOM_S5_DOS_REQ_CRT2            0x0010
 #define ATOM_S5_DOS_REQ_LCD2            0x0020
-#define ATOM_S5_DOS_REQ_TV2             0x0040
+#define ATOM_S5_DOS_REQ_DFP6            0x0040
 #define ATOM_S5_DOS_REQ_DFP2            0x0080
 #define ATOM_S5_DOS_REQ_CV              0x0100
-#define ATOM_S5_DOS_REQ_DFP3						0x0200
-#define ATOM_S5_DOS_REQ_DFP4						0x0400
-#define ATOM_S5_DOS_REQ_DFP5						0x0800
+#define ATOM_S5_DOS_REQ_DFP3            0x0200
+#define ATOM_S5_DOS_REQ_DFP4            0x0400
+#define ATOM_S5_DOS_REQ_DFP5            0x0800
 
 #define ATOM_S5_DOS_FORCE_CRT1b2        ATOM_S5_DOS_REQ_CRT1b0
 #define ATOM_S5_DOS_FORCE_TV1b2         ATOM_S5_DOS_REQ_TV1b0
 #define ATOM_S5_DOS_FORCE_CRT2b2        ATOM_S5_DOS_REQ_CRT2b0
 #define ATOM_S5_DOS_FORCE_CVb3          ATOM_S5_DOS_REQ_CVb1
-#define ATOM_S5_DOS_FORCE_DEVICEw1 \
-	(ATOM_S5_DOS_FORCE_CRT1b2 + ATOM_S5_DOS_FORCE_TV1b2 + \
-	 ATOM_S5_DOS_FORCE_CRT2b2 + (ATOM_S5_DOS_FORCE_CVb3 << 8))
+#define ATOM_S5_DOS_FORCE_DEVICEw1      (ATOM_S5_DOS_FORCE_CRT1b2+ATOM_S5_DOS_FORCE_TV1b2+ATOM_S5_DOS_FORCE_CRT2b2+\
+                                        (ATOM_S5_DOS_FORCE_CVb3<<8))
 
-/*  BIOS_6_SCRATCH Definition */
+// BIOS_6_SCRATCH Definition
 #define ATOM_S6_DEVICE_CHANGE           0x00000001L
 #define ATOM_S6_SCALER_CHANGE           0x00000002L
 #define ATOM_S6_LID_CHANGE              0x00000004L
@@ -3285,11 +4110,11 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S6_HW_I2C_BUSY_STATE       0x00000200L
 #define ATOM_S6_THERMAL_STATE_CHANGE    0x00000400L
 #define ATOM_S6_INTERRUPT_SET_BY_BIOS   0x00000800L
-#define ATOM_S6_REQ_LCD_EXPANSION_FULL         0x00001000L	/* Normal expansion Request bit for LCD */
-#define ATOM_S6_REQ_LCD_EXPANSION_ASPEC_RATIO  0x00002000L	/* Aspect ratio expansion Request bit for LCD */
+#define ATOM_S6_REQ_LCD_EXPANSION_FULL         0x00001000L //Normal expansion Request bit for LCD
+#define ATOM_S6_REQ_LCD_EXPANSION_ASPEC_RATIO  0x00002000L //Aspect ratio expansion Request bit for LCD
 
-#define ATOM_S6_DISPLAY_STATE_CHANGE    0x00004000L	/* This bit is recycled when ATOM_BIOS_INFO_BIOS_SCRATCH6_SCL2_REDEFINE is set,previously it's SCL2_H_expansion */
-#define ATOM_S6_I2C_STATE_CHANGE        0x00008000L	/* This bit is recycled,when ATOM_BIOS_INFO_BIOS_SCRATCH6_SCL2_REDEFINE is set,previously it's SCL2_V_expansion */
+#define ATOM_S6_DISPLAY_STATE_CHANGE    0x00004000L        //This bit is recycled when ATOM_BIOS_INFO_BIOS_SCRATCH6_SCL2_REDEFINE is set,previously it's SCL2_H_expansion
+#define ATOM_S6_I2C_STATE_CHANGE        0x00008000L        //This bit is recycled,when ATOM_BIOS_INFO_BIOS_SCRATCH6_SCL2_REDEFINE is set,previously it's SCL2_V_expansion
 
 #define ATOM_S6_ACC_REQ_CRT1            0x00010000L
 #define ATOM_S6_ACC_REQ_LCD1            0x00020000L
@@ -3297,7 +4122,7 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S6_ACC_REQ_DFP1            0x00080000L
 #define ATOM_S6_ACC_REQ_CRT2            0x00100000L
 #define ATOM_S6_ACC_REQ_LCD2            0x00200000L
-#define ATOM_S6_ACC_REQ_TV2             0x00400000L
+#define ATOM_S6_ACC_REQ_DFP6            0x00400000L
 #define ATOM_S6_ACC_REQ_DFP2            0x00800000L
 #define ATOM_S6_ACC_REQ_CV              0x01000000L
 #define ATOM_S6_ACC_REQ_DFP3						0x02000000L
@@ -3310,7 +4135,7 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S6_VRI_BRIGHTNESS_CHANGE       0x40000000L
 #define ATOM_S6_CONFIG_DISPLAY_CHANGE_MASK  0x80000000L
 
-/* Byte aligned definition for BIOS usage */
+//Byte aligned defintion for BIOS usage
 #define ATOM_S6_DEVICE_CHANGEb0         0x01
 #define ATOM_S6_SCALER_CHANGEb0         0x02
 #define ATOM_S6_LID_CHANGEb0            0x04
@@ -3320,11 +4145,11 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S6_LID_STATEb0             0x40
 #define ATOM_S6_DOCK_STATEb0            0x80
 #define ATOM_S6_CRITICAL_STATEb1        0x01
-#define ATOM_S6_HW_I2C_BUSY_STATEb1     0x02
+#define ATOM_S6_HW_I2C_BUSY_STATEb1     0x02  
 #define ATOM_S6_THERMAL_STATE_CHANGEb1  0x04
 #define ATOM_S6_INTERRUPT_SET_BY_BIOSb1 0x08
-#define ATOM_S6_REQ_LCD_EXPANSION_FULLb1        0x10
-#define ATOM_S6_REQ_LCD_EXPANSION_ASPEC_RATIOb1 0x20
+#define ATOM_S6_REQ_LCD_EXPANSION_FULLb1        0x10    
+#define ATOM_S6_REQ_LCD_EXPANSION_ASPEC_RATIOb1 0x20 
 
 #define ATOM_S6_ACC_REQ_CRT1b2          0x01
 #define ATOM_S6_ACC_REQ_LCD1b2          0x02
@@ -3332,12 +4157,12 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S6_ACC_REQ_DFP1b2          0x08
 #define ATOM_S6_ACC_REQ_CRT2b2          0x10
 #define ATOM_S6_ACC_REQ_LCD2b2          0x20
-#define ATOM_S6_ACC_REQ_TV2b2           0x40
+#define ATOM_S6_ACC_REQ_DFP6b2          0x40
 #define ATOM_S6_ACC_REQ_DFP2b2          0x80
 #define ATOM_S6_ACC_REQ_CVb3            0x01
-#define ATOM_S6_ACC_REQ_DFP3b3					0x02
-#define ATOM_S6_ACC_REQ_DFP4b3					0x04
-#define ATOM_S6_ACC_REQ_DFP5b3					0x08
+#define ATOM_S6_ACC_REQ_DFP3b3          0x02
+#define ATOM_S6_ACC_REQ_DFP4b3          0x04
+#define ATOM_S6_ACC_REQ_DFP5b3          0x08
 
 #define ATOM_S6_ACC_REQ_DEVICEw1        ATOM_S5_DOS_REQ_DEVICEw0
 #define ATOM_S6_SYSTEM_POWER_MODE_CHANGEb3 0x10
@@ -3366,7 +4191,7 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 #define ATOM_S6_VRI_BRIGHTNESS_CHANGE_SHIFT     30
 #define ATOM_S6_CONFIG_DISPLAY_CHANGE_SHIFT     31
 
-/*  BIOS_7_SCRATCH Definition, BIOS_7_SCRATCH is used by Firmware only !!!! */
+// BIOS_7_SCRATCH Definition, BIOS_7_SCRATCH is used by Firmware only !!!!
 #define ATOM_S7_DOS_MODE_TYPEb0             0x03
 #define ATOM_S7_DOS_MODE_VGAb0              0x00
 #define ATOM_S7_DOS_MODE_VESAb0             0x01
@@ -3378,220 +4203,194 @@ typedef struct _ATOM_ASIC_INTERNAL_SS_INFO {
 
 #define ATOM_S7_DOS_8BIT_DAC_EN_SHIFT       8
 
-/*  BIOS_8_SCRATCH Definition */
+// BIOS_8_SCRATCH Definition
 #define ATOM_S8_I2C_CHANNEL_BUSY_MASK       0x00000FFFF
-#define ATOM_S8_I2C_HW_ENGINE_BUSY_MASK     0x0FFFF0000
+#define ATOM_S8_I2C_HW_ENGINE_BUSY_MASK     0x0FFFF0000   
 
 #define ATOM_S8_I2C_CHANNEL_BUSY_SHIFT      0
 #define ATOM_S8_I2C_ENGINE_BUSY_SHIFT       16
 
-/*  BIOS_9_SCRATCH Definition */
-#ifndef ATOM_S9_I2C_CHANNEL_COMPLETED_MASK
+// BIOS_9_SCRATCH Definition
+#ifndef ATOM_S9_I2C_CHANNEL_COMPLETED_MASK 
 #define ATOM_S9_I2C_CHANNEL_COMPLETED_MASK  0x0000FFFF
 #endif
-#ifndef ATOM_S9_I2C_CHANNEL_ABORTED_MASK
+#ifndef ATOM_S9_I2C_CHANNEL_ABORTED_MASK  
 #define ATOM_S9_I2C_CHANNEL_ABORTED_MASK    0xFFFF0000
 #endif
-#ifndef ATOM_S9_I2C_CHANNEL_COMPLETED_SHIFT
+#ifndef ATOM_S9_I2C_CHANNEL_COMPLETED_SHIFT 
 #define ATOM_S9_I2C_CHANNEL_COMPLETED_SHIFT 0
 #endif
-#ifndef ATOM_S9_I2C_CHANNEL_ABORTED_SHIFT
+#ifndef ATOM_S9_I2C_CHANNEL_ABORTED_SHIFT   
 #define ATOM_S9_I2C_CHANNEL_ABORTED_SHIFT   16
 #endif
 
+ 
 #define ATOM_FLAG_SET                         0x20
 #define ATOM_FLAG_CLEAR                       0
-#define CLEAR_ATOM_S6_ACC_MODE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_ACC_MODE_SHIFT | ATOM_FLAG_CLEAR)
-#define SET_ATOM_S6_DEVICE_CHANGE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_DEVICE_CHANGE_SHIFT | ATOM_FLAG_SET)
-#define SET_ATOM_S6_VRI_BRIGHTNESS_CHANGE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_VRI_BRIGHTNESS_CHANGE_SHIFT | ATOM_FLAG_SET)
-#define SET_ATOM_S6_SCALER_CHANGE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_SCALER_CHANGE_SHIFT | ATOM_FLAG_SET)
-#define SET_ATOM_S6_LID_CHANGE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_LID_CHANGE_SHIFT | ATOM_FLAG_SET)
-
-#define SET_ATOM_S6_LID_STATE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) |\
-	 ATOM_S6_LID_STATE_SHIFT | ATOM_FLAG_SET)
-#define CLEAR_ATOM_S6_LID_STATE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_LID_STATE_SHIFT | ATOM_FLAG_CLEAR)
-
-#define SET_ATOM_S6_DOCK_CHANGE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8)| \
-	 ATOM_S6_DOCKING_CHANGE_SHIFT | ATOM_FLAG_SET)
-#define SET_ATOM_S6_DOCK_STATE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_DOCK_STATE_SHIFT | ATOM_FLAG_SET)
-#define CLEAR_ATOM_S6_DOCK_STATE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_DOCK_STATE_SHIFT | ATOM_FLAG_CLEAR)
-
-#define SET_ATOM_S6_THERMAL_STATE_CHANGE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_THERMAL_STATE_CHANGE_SHIFT | ATOM_FLAG_SET)
-#define SET_ATOM_S6_SYSTEM_POWER_MODE_CHANGE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_SYSTEM_POWER_MODE_CHANGE_SHIFT | ATOM_FLAG_SET)
-#define SET_ATOM_S6_INTERRUPT_SET_BY_BIOS \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_INTERRUPT_SET_BY_BIOS_SHIFT | ATOM_FLAG_SET)
-
-#define SET_ATOM_S6_CRITICAL_STATE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_CRITICAL_STATE_SHIFT | ATOM_FLAG_SET)
-#define CLEAR_ATOM_S6_CRITICAL_STATE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_CRITICAL_STATE_SHIFT | ATOM_FLAG_CLEAR)
-
-#define SET_ATOM_S6_REQ_SCALER \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_REQ_SCALER_SHIFT | ATOM_FLAG_SET)
-#define CLEAR_ATOM_S6_REQ_SCALER \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_REQ_SCALER_SHIFT | ATOM_FLAG_CLEAR )
-
-#define SET_ATOM_S6_REQ_SCALER_ARATIO \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_REQ_SCALER_ARATIO_SHIFT | ATOM_FLAG_SET )
-#define CLEAR_ATOM_S6_REQ_SCALER_ARATIO \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_REQ_SCALER_ARATIO_SHIFT | ATOM_FLAG_CLEAR )
-
-#define SET_ATOM_S6_I2C_STATE_CHANGE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_I2C_STATE_CHANGE_SHIFT | ATOM_FLAG_SET )
-
-#define SET_ATOM_S6_DISPLAY_STATE_CHANGE \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_DISPLAY_STATE_CHANGE_SHIFT | ATOM_FLAG_SET )
-
-#define SET_ATOM_S6_DEVICE_RECONFIG \
-	((ATOM_ACC_CHANGE_INFO_DEF << 8) | \
-	 ATOM_S6_CONFIG_DISPLAY_CHANGE_SHIFT | ATOM_FLAG_SET)
-#define CLEAR_ATOM_S0_LCD1 \
-	((ATOM_DEVICE_CONNECT_INFO_DEF << 8 ) | \
-	 ATOM_S0_LCD1_SHIFT | ATOM_FLAG_CLEAR )
-#define SET_ATOM_S7_DOS_8BIT_DAC_EN \
-	((ATOM_DOS_MODE_INFO_DEF << 8) | \
-	 ATOM_S7_DOS_8BIT_DAC_EN_SHIFT | ATOM_FLAG_SET )
-#define CLEAR_ATOM_S7_DOS_8BIT_DAC_EN \
-	((ATOM_DOS_MODE_INFO_DEF << 8) | \
-	 ATOM_S7_DOS_8BIT_DAC_EN_SHIFT | ATOM_FLAG_CLEAR )
+#define CLEAR_ATOM_S6_ACC_MODE                ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_ACC_MODE_SHIFT | ATOM_FLAG_CLEAR)
+#define SET_ATOM_S6_DEVICE_CHANGE             ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_DEVICE_CHANGE_SHIFT | ATOM_FLAG_SET)
+#define SET_ATOM_S6_VRI_BRIGHTNESS_CHANGE     ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_VRI_BRIGHTNESS_CHANGE_SHIFT | ATOM_FLAG_SET)
+#define SET_ATOM_S6_SCALER_CHANGE             ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_SCALER_CHANGE_SHIFT | ATOM_FLAG_SET)
+#define SET_ATOM_S6_LID_CHANGE                ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_LID_CHANGE_SHIFT | ATOM_FLAG_SET)
 
-/****************************************************************************/
-/* Portion II: Definitinos only used in Driver */
+#define SET_ATOM_S6_LID_STATE                 ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_LID_STATE_SHIFT | ATOM_FLAG_SET)
+#define CLEAR_ATOM_S6_LID_STATE               ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_LID_STATE_SHIFT | ATOM_FLAG_CLEAR)
+
+#define SET_ATOM_S6_DOCK_CHANGE			          ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_DOCKING_CHANGE_SHIFT | ATOM_FLAG_SET)
+#define SET_ATOM_S6_DOCK_STATE                ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_DOCK_STATE_SHIFT | ATOM_FLAG_SET)
+#define CLEAR_ATOM_S6_DOCK_STATE              ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_DOCK_STATE_SHIFT | ATOM_FLAG_CLEAR)
+
+#define SET_ATOM_S6_THERMAL_STATE_CHANGE      ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_THERMAL_STATE_CHANGE_SHIFT | ATOM_FLAG_SET)
+#define SET_ATOM_S6_SYSTEM_POWER_MODE_CHANGE  ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_SYSTEM_POWER_MODE_CHANGE_SHIFT | ATOM_FLAG_SET)
+#define SET_ATOM_S6_INTERRUPT_SET_BY_BIOS     ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_INTERRUPT_SET_BY_BIOS_SHIFT | ATOM_FLAG_SET)
+
+#define SET_ATOM_S6_CRITICAL_STATE            ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_CRITICAL_STATE_SHIFT | ATOM_FLAG_SET)
+#define CLEAR_ATOM_S6_CRITICAL_STATE          ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_CRITICAL_STATE_SHIFT | ATOM_FLAG_CLEAR)
+
+#define SET_ATOM_S6_REQ_SCALER                ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_REQ_SCALER_SHIFT | ATOM_FLAG_SET)  
+#define CLEAR_ATOM_S6_REQ_SCALER              ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_REQ_SCALER_SHIFT | ATOM_FLAG_CLEAR )
+
+#define SET_ATOM_S6_REQ_SCALER_ARATIO         ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_REQ_SCALER_ARATIO_SHIFT | ATOM_FLAG_SET )
+#define CLEAR_ATOM_S6_REQ_SCALER_ARATIO       ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_REQ_SCALER_ARATIO_SHIFT | ATOM_FLAG_CLEAR )
+
+#define SET_ATOM_S6_I2C_STATE_CHANGE          ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_I2C_STATE_CHANGE_SHIFT | ATOM_FLAG_SET )
+
+#define SET_ATOM_S6_DISPLAY_STATE_CHANGE      ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_DISPLAY_STATE_CHANGE_SHIFT | ATOM_FLAG_SET )
+
+#define SET_ATOM_S6_DEVICE_RECONFIG           ((ATOM_ACC_CHANGE_INFO_DEF << 8 )|ATOM_S6_CONFIG_DISPLAY_CHANGE_SHIFT | ATOM_FLAG_SET)
+#define CLEAR_ATOM_S0_LCD1                    ((ATOM_DEVICE_CONNECT_INFO_DEF << 8 )|  ATOM_S0_LCD1_SHIFT | ATOM_FLAG_CLEAR )
+#define SET_ATOM_S7_DOS_8BIT_DAC_EN           ((ATOM_DOS_MODE_INFO_DEF << 8 )|ATOM_S7_DOS_8BIT_DAC_EN_SHIFT | ATOM_FLAG_SET )
+#define CLEAR_ATOM_S7_DOS_8BIT_DAC_EN         ((ATOM_DOS_MODE_INFO_DEF << 8 )|ATOM_S7_DOS_8BIT_DAC_EN_SHIFT | ATOM_FLAG_CLEAR )
+
+/****************************************************************************/	
+//Portion II: Definitinos only used in Driver
 /****************************************************************************/
 
-/*  Macros used by driver */
+// Macros used by driver
+#ifdef __cplusplus
+#define GetIndexIntoMasterTable(MasterOrData, FieldName) ((reinterpret_cast<char*>(&(static_cast<ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*>(0))->FieldName)-static_cast<char*>(0))/sizeof(USHORT))
 
-#define	GetIndexIntoMasterTable(MasterOrData, FieldName) (((char *)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES *)0)->FieldName)-(char *)0)/sizeof(USHORT))
+#define GET_COMMAND_TABLE_COMMANDSET_REVISION(TABLE_HEADER_OFFSET) (((static_cast<ATOM_COMMON_TABLE_HEADER*>(TABLE_HEADER_OFFSET))->ucTableFormatRevision )&0x3F)
+#define GET_COMMAND_TABLE_PARAMETER_REVISION(TABLE_HEADER_OFFSET)  (((static_cast<ATOM_COMMON_TABLE_HEADER*>(TABLE_HEADER_OFFSET))->ucTableContentRevision)&0x3F)
+#else // not __cplusplus
+#define	GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
 
 #define GET_COMMAND_TABLE_COMMANDSET_REVISION(TABLE_HEADER_OFFSET) ((((ATOM_COMMON_TABLE_HEADER*)TABLE_HEADER_OFFSET)->ucTableFormatRevision)&0x3F)
 #define GET_COMMAND_TABLE_PARAMETER_REVISION(TABLE_HEADER_OFFSET)  ((((ATOM_COMMON_TABLE_HEADER*)TABLE_HEADER_OFFSET)->ucTableContentRevision)&0x3F)
+#endif // __cplusplus
 
 #define GET_DATA_TABLE_MAJOR_REVISION GET_COMMAND_TABLE_COMMANDSET_REVISION
 #define GET_DATA_TABLE_MINOR_REVISION GET_COMMAND_TABLE_PARAMETER_REVISION
 
-/****************************************************************************/
-/* Portion III: Definitinos only used in VBIOS */
+/****************************************************************************/	
+//Portion III: Definitinos only used in VBIOS
 /****************************************************************************/
 #define ATOM_DAC_SRC					0x80
 #define ATOM_SRC_DAC1					0
 #define ATOM_SRC_DAC2					0x80
 
-#ifdef	UEFI_BUILD
-#define	USHORT	UTEMP
-#endif
-
-typedef struct _MEMORY_PLLINIT_PARAMETERS {
-	ULONG ulTargetMemoryClock;	/* In 10Khz unit */
-	UCHAR ucAction;		/* not define yet */
-	UCHAR ucFbDiv_Hi;	/* Fbdiv Hi byte */
-	UCHAR ucFbDiv;		/* FB value */
-	UCHAR ucPostDiv;	/* Post div */
-} MEMORY_PLLINIT_PARAMETERS;
+typedef struct _MEMORY_PLLINIT_PARAMETERS
+{
+  ULONG ulTargetMemoryClock; //In 10Khz unit
+  UCHAR   ucAction;					 //not define yet
+  UCHAR   ucFbDiv_Hi;				 //Fbdiv Hi byte
+  UCHAR   ucFbDiv;					 //FB value
+  UCHAR   ucPostDiv;				 //Post div
+}MEMORY_PLLINIT_PARAMETERS;
 
 #define MEMORY_PLLINIT_PS_ALLOCATION  MEMORY_PLLINIT_PARAMETERS
 
-#define	GPIO_PIN_WRITE													0x01
+
+#define	GPIO_PIN_WRITE													0x01			
 #define	GPIO_PIN_READ														0x00
 
-typedef struct _GPIO_PIN_CONTROL_PARAMETERS {
-	UCHAR ucGPIO_ID;	/* return value, read from GPIO pins */
-	UCHAR ucGPIOBitShift;	/* define which bit in uGPIOBitVal need to be update */
-	UCHAR ucGPIOBitVal;	/* Set/Reset corresponding bit defined in ucGPIOBitMask */
-	UCHAR ucAction;		/* =GPIO_PIN_WRITE: Read; =GPIO_PIN_READ: Write */
-} GPIO_PIN_CONTROL_PARAMETERS;
-
-typedef struct _ENABLE_SCALER_PARAMETERS {
-	UCHAR ucScaler;		/*  ATOM_SCALER1, ATOM_SCALER2 */
-	UCHAR ucEnable;		/*  ATOM_SCALER_DISABLE or ATOM_SCALER_CENTER or ATOM_SCALER_EXPANSION */
-	UCHAR ucTVStandard;	/*  */
-	UCHAR ucPadding[1];
-} ENABLE_SCALER_PARAMETERS;
-#define ENABLE_SCALER_PS_ALLOCATION ENABLE_SCALER_PARAMETERS
-
-/* ucEnable: */
+typedef struct  _GPIO_PIN_CONTROL_PARAMETERS
+{
+  UCHAR ucGPIO_ID;           //return value, read from GPIO pins
+  UCHAR ucGPIOBitShift;	     //define which bit in uGPIOBitVal need to be update 
+	UCHAR ucGPIOBitVal;		     //Set/Reset corresponding bit defined in ucGPIOBitMask
+  UCHAR ucAction;				     //=GPIO_PIN_WRITE: Read; =GPIO_PIN_READ: Write
+}GPIO_PIN_CONTROL_PARAMETERS;
+
+typedef struct _ENABLE_SCALER_PARAMETERS
+{
+  UCHAR ucScaler;            // ATOM_SCALER1, ATOM_SCALER2
+  UCHAR ucEnable;            // ATOM_SCALER_DISABLE or ATOM_SCALER_CENTER or ATOM_SCALER_EXPANSION
+  UCHAR ucTVStandard;        // 
+  UCHAR ucPadding[1];
+}ENABLE_SCALER_PARAMETERS; 
+#define ENABLE_SCALER_PS_ALLOCATION ENABLE_SCALER_PARAMETERS 
+
+//ucEnable:
 #define SCALER_BYPASS_AUTO_CENTER_NO_REPLICATION    0
 #define SCALER_BYPASS_AUTO_CENTER_AUTO_REPLICATION  1
 #define SCALER_ENABLE_2TAP_ALPHA_MODE               2
 #define SCALER_ENABLE_MULTITAP_MODE                 3
 
-typedef struct _ENABLE_HARDWARE_ICON_CURSOR_PARAMETERS {
-	ULONG usHWIconHorzVertPosn;	/*  Hardware Icon Vertical position */
-	UCHAR ucHWIconVertOffset;	/*  Hardware Icon Vertical offset */
-	UCHAR ucHWIconHorzOffset;	/*  Hardware Icon Horizontal offset */
-	UCHAR ucSelection;	/*  ATOM_CURSOR1 or ATOM_ICON1 or ATOM_CURSOR2 or ATOM_ICON2 */
-	UCHAR ucEnable;		/*  ATOM_ENABLE or ATOM_DISABLE */
-} ENABLE_HARDWARE_ICON_CURSOR_PARAMETERS;
-
-typedef struct _ENABLE_HARDWARE_ICON_CURSOR_PS_ALLOCATION {
-	ENABLE_HARDWARE_ICON_CURSOR_PARAMETERS sEnableIcon;
-	ENABLE_CRTC_PARAMETERS sReserved;
-} ENABLE_HARDWARE_ICON_CURSOR_PS_ALLOCATION;
-
-typedef struct _ENABLE_GRAPH_SURFACE_PARAMETERS {
-	USHORT usHight;		/*  Image Hight */
-	USHORT usWidth;		/*  Image Width */
-	UCHAR ucSurface;	/*  Surface 1 or 2 */
-	UCHAR ucPadding[3];
-} ENABLE_GRAPH_SURFACE_PARAMETERS;
-
-typedef struct _ENABLE_GRAPH_SURFACE_PARAMETERS_V1_2 {
-	USHORT usHight;		/*  Image Hight */
-	USHORT usWidth;		/*  Image Width */
-	UCHAR ucSurface;	/*  Surface 1 or 2 */
-	UCHAR ucEnable;		/*  ATOM_ENABLE or ATOM_DISABLE */
-	UCHAR ucPadding[2];
-} ENABLE_GRAPH_SURFACE_PARAMETERS_V1_2;
-
-typedef struct _ENABLE_GRAPH_SURFACE_PS_ALLOCATION {
-	ENABLE_GRAPH_SURFACE_PARAMETERS sSetSurface;
-	ENABLE_YUV_PS_ALLOCATION sReserved;	/*  Don't set this one */
-} ENABLE_GRAPH_SURFACE_PS_ALLOCATION;
-
-typedef struct _MEMORY_CLEAN_UP_PARAMETERS {
-	USHORT usMemoryStart;	/* in 8Kb boundry, offset from memory base address */
-	USHORT usMemorySize;	/* 8Kb blocks aligned */
-} MEMORY_CLEAN_UP_PARAMETERS;
+typedef struct _ENABLE_HARDWARE_ICON_CURSOR_PARAMETERS
+{
+  ULONG  usHWIconHorzVertPosn;        // Hardware Icon Vertical position
+  UCHAR  ucHWIconVertOffset;          // Hardware Icon Vertical offset
+  UCHAR  ucHWIconHorzOffset;          // Hardware Icon Horizontal offset
+  UCHAR  ucSelection;                 // ATOM_CURSOR1 or ATOM_ICON1 or ATOM_CURSOR2 or ATOM_ICON2
+  UCHAR  ucEnable;                    // ATOM_ENABLE or ATOM_DISABLE
+}ENABLE_HARDWARE_ICON_CURSOR_PARAMETERS;
+
+typedef struct _ENABLE_HARDWARE_ICON_CURSOR_PS_ALLOCATION
+{
+  ENABLE_HARDWARE_ICON_CURSOR_PARAMETERS  sEnableIcon;
+  ENABLE_CRTC_PARAMETERS                  sReserved;  
+}ENABLE_HARDWARE_ICON_CURSOR_PS_ALLOCATION;
+
+typedef struct _ENABLE_GRAPH_SURFACE_PARAMETERS
+{
+  USHORT usHight;                     // Image Hight
+  USHORT usWidth;                     // Image Width
+  UCHAR  ucSurface;                   // Surface 1 or 2	
+  UCHAR  ucPadding[3];
+}ENABLE_GRAPH_SURFACE_PARAMETERS;
+
+typedef struct _ENABLE_GRAPH_SURFACE_PARAMETERS_V1_2
+{
+  USHORT usHight;                     // Image Hight
+  USHORT usWidth;                     // Image Width
+  UCHAR  ucSurface;                   // Surface 1 or 2
+  UCHAR  ucEnable;                    // ATOM_ENABLE or ATOM_DISABLE
+  UCHAR  ucPadding[2];
+}ENABLE_GRAPH_SURFACE_PARAMETERS_V1_2;
+
+typedef struct _ENABLE_GRAPH_SURFACE_PARAMETERS_V1_3
+{
+  USHORT usHight;                     // Image Hight
+  USHORT usWidth;                     // Image Width
+  UCHAR  ucSurface;                   // Surface 1 or 2
+  UCHAR  ucEnable;                    // ATOM_ENABLE or ATOM_DISABLE
+  USHORT usDeviceId;                  // Active Device Id for this surface. If no device, set to 0. 
+}ENABLE_GRAPH_SURFACE_PARAMETERS_V1_3;
+
+typedef struct _ENABLE_GRAPH_SURFACE_PS_ALLOCATION
+{
+  ENABLE_GRAPH_SURFACE_PARAMETERS sSetSurface;          
+  ENABLE_YUV_PS_ALLOCATION        sReserved; // Don't set this one
+}ENABLE_GRAPH_SURFACE_PS_ALLOCATION;
+
+typedef struct _MEMORY_CLEAN_UP_PARAMETERS
+{
+  USHORT  usMemoryStart;                //in 8Kb boundry, offset from memory base address
+  USHORT  usMemorySize;                 //8Kb blocks aligned
+}MEMORY_CLEAN_UP_PARAMETERS;
 #define MEMORY_CLEAN_UP_PS_ALLOCATION MEMORY_CLEAN_UP_PARAMETERS
 
-typedef struct _GET_DISPLAY_SURFACE_SIZE_PARAMETERS {
-	USHORT usX_Size;	/* When use as input parameter, usX_Size indicates which CRTC */
-	USHORT usY_Size;
-} GET_DISPLAY_SURFACE_SIZE_PARAMETERS;
+typedef struct  _GET_DISPLAY_SURFACE_SIZE_PARAMETERS
+{
+  USHORT  usX_Size;                     //When use as input parameter, usX_Size indicates which CRTC                 
+  USHORT  usY_Size;
+}GET_DISPLAY_SURFACE_SIZE_PARAMETERS; 
 
-typedef struct _INDIRECT_IO_ACCESS {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	UCHAR IOAccessSequence[256];
+typedef struct _INDIRECT_IO_ACCESS
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+  UCHAR                    IOAccessSequence[256];
 } INDIRECT_IO_ACCESS;
 
 #define INDIRECT_READ              0x00
@@ -3615,93 +4414,108 @@ typedef struct _INDIRECT_IO_ACCESS {
 #define INDIRECT_IO_NBMISC_READ    INDIRECT_IO_NBMISC | INDIRECT_READ
 #define INDIRECT_IO_NBMISC_WRITE   INDIRECT_IO_NBMISC | INDIRECT_WRITE
 
-typedef struct _ATOM_OEM_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_I2C_ID_CONFIG_ACCESS sucI2cId;
-} ATOM_OEM_INFO;
-
-typedef struct _ATOM_TV_MODE {
-	UCHAR ucVMode_Num;	/* Video mode number */
-	UCHAR ucTV_Mode_Num;	/* Internal TV mode number */
-} ATOM_TV_MODE;
-
-typedef struct _ATOM_BIOS_INT_TVSTD_MODE {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	USHORT usTV_Mode_LUT_Offset;	/*  Pointer to standard to internal number conversion table */
-	USHORT usTV_FIFO_Offset;	/*  Pointer to FIFO entry table */
-	USHORT usNTSC_Tbl_Offset;	/*  Pointer to SDTV_Mode_NTSC table */
-	USHORT usPAL_Tbl_Offset;	/*  Pointer to SDTV_Mode_PAL table */
-	USHORT usCV_Tbl_Offset;	/*  Pointer to SDTV_Mode_PAL table */
-} ATOM_BIOS_INT_TVSTD_MODE;
-
-typedef struct _ATOM_TV_MODE_SCALER_PTR {
-	USHORT ucFilter0_Offset;	/* Pointer to filter format 0 coefficients */
-	USHORT usFilter1_Offset;	/* Pointer to filter format 0 coefficients */
-	UCHAR ucTV_Mode_Num;
-} ATOM_TV_MODE_SCALER_PTR;
-
-typedef struct _ATOM_STANDARD_VESA_TIMING {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_DTD_FORMAT aModeTimings[16];	/*  16 is not the real array number, just for initial allocation */
-} ATOM_STANDARD_VESA_TIMING;
-
-typedef struct _ATOM_STD_FORMAT {
-	USHORT usSTD_HDisp;
-	USHORT usSTD_VDisp;
-	USHORT usSTD_RefreshRate;
-	USHORT usReserved;
-} ATOM_STD_FORMAT;
-
-typedef struct _ATOM_VESA_TO_EXTENDED_MODE {
-	USHORT usVESA_ModeNumber;
-	USHORT usExtendedModeNumber;
-} ATOM_VESA_TO_EXTENDED_MODE;
-
-typedef struct _ATOM_VESA_TO_INTENAL_MODE_LUT {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	ATOM_VESA_TO_EXTENDED_MODE asVESA_ToExtendedModeInfo[76];
-} ATOM_VESA_TO_INTENAL_MODE_LUT;
+typedef struct _ATOM_OEM_INFO
+{ 
+  ATOM_COMMON_TABLE_HEADER	sHeader;
+  ATOM_I2C_ID_CONFIG_ACCESS sucI2cId;
+}ATOM_OEM_INFO;
+
+typedef struct _ATOM_TV_MODE
+{
+   UCHAR	ucVMode_Num;			  //Video mode number
+   UCHAR	ucTV_Mode_Num;			//Internal TV mode number
+}ATOM_TV_MODE;
+
+typedef struct _ATOM_BIOS_INT_TVSTD_MODE
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+   USHORT	usTV_Mode_LUT_Offset;	// Pointer to standard to internal number conversion table
+   USHORT	usTV_FIFO_Offset;		  // Pointer to FIFO entry table
+   USHORT	usNTSC_Tbl_Offset;		// Pointer to SDTV_Mode_NTSC table
+   USHORT	usPAL_Tbl_Offset;		  // Pointer to SDTV_Mode_PAL table 
+   USHORT	usCV_Tbl_Offset;		  // Pointer to SDTV_Mode_PAL table 
+}ATOM_BIOS_INT_TVSTD_MODE;
+
+
+typedef struct _ATOM_TV_MODE_SCALER_PTR
+{
+   USHORT	ucFilter0_Offset;		//Pointer to filter format 0 coefficients
+   USHORT	usFilter1_Offset;		//Pointer to filter format 0 coefficients
+   UCHAR	ucTV_Mode_Num;
+}ATOM_TV_MODE_SCALER_PTR;
+
+typedef struct _ATOM_STANDARD_VESA_TIMING
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+  ATOM_DTD_FORMAT 				 aModeTimings[16];      // 16 is not the real array number, just for initial allocation
+}ATOM_STANDARD_VESA_TIMING;
+
+
+typedef struct _ATOM_STD_FORMAT
+{ 
+  USHORT    usSTD_HDisp;
+  USHORT    usSTD_VDisp;
+  USHORT    usSTD_RefreshRate;
+  USHORT    usReserved;
+}ATOM_STD_FORMAT;
+
+typedef struct _ATOM_VESA_TO_EXTENDED_MODE
+{
+  USHORT  usVESA_ModeNumber;
+  USHORT  usExtendedModeNumber;
+}ATOM_VESA_TO_EXTENDED_MODE;
+
+typedef struct _ATOM_VESA_TO_INTENAL_MODE_LUT
+{ 
+  ATOM_COMMON_TABLE_HEADER   sHeader;  
+  ATOM_VESA_TO_EXTENDED_MODE asVESA_ToExtendedModeInfo[76];
+}ATOM_VESA_TO_INTENAL_MODE_LUT;
 
 /*************** ATOM Memory Related Data Structure ***********************/
-typedef struct _ATOM_MEMORY_VENDOR_BLOCK {
-	UCHAR ucMemoryType;
-	UCHAR ucMemoryVendor;
-	UCHAR ucAdjMCId;
-	UCHAR ucDynClkId;
-	ULONG ulDllResetClkRange;
-} ATOM_MEMORY_VENDOR_BLOCK;
-
-typedef struct _ATOM_MEMORY_SETTING_ID_CONFIG {
+typedef struct _ATOM_MEMORY_VENDOR_BLOCK{
+	UCHAR												ucMemoryType;
+	UCHAR												ucMemoryVendor;
+	UCHAR												ucAdjMCId;
+	UCHAR												ucDynClkId;
+	ULONG												ulDllResetClkRange;
+}ATOM_MEMORY_VENDOR_BLOCK;
+
+
+typedef struct _ATOM_MEMORY_SETTING_ID_CONFIG{
 #if ATOM_BIG_ENDIAN
-	ULONG ucMemBlkId:8;
-	ULONG ulMemClockRange:24;
+	ULONG												ucMemBlkId:8;
+	ULONG												ulMemClockRange:24;
 #else
-	ULONG ulMemClockRange:24;
-	ULONG ucMemBlkId:8;
+	ULONG												ulMemClockRange:24;
+	ULONG												ucMemBlkId:8;
 #endif
-} ATOM_MEMORY_SETTING_ID_CONFIG;
-
-typedef union _ATOM_MEMORY_SETTING_ID_CONFIG_ACCESS {
-	ATOM_MEMORY_SETTING_ID_CONFIG slAccess;
-	ULONG ulAccess;
-} ATOM_MEMORY_SETTING_ID_CONFIG_ACCESS;
-
-typedef struct _ATOM_MEMORY_SETTING_DATA_BLOCK {
-	ATOM_MEMORY_SETTING_ID_CONFIG_ACCESS ulMemoryID;
-	ULONG aulMemData[1];
-} ATOM_MEMORY_SETTING_DATA_BLOCK;
-
-typedef struct _ATOM_INIT_REG_INDEX_FORMAT {
-	USHORT usRegIndex;	/*  MC register index */
-	UCHAR ucPreRegDataLength;	/*  offset in ATOM_INIT_REG_DATA_BLOCK.saRegDataBuf */
-} ATOM_INIT_REG_INDEX_FORMAT;
-
-typedef struct _ATOM_INIT_REG_BLOCK {
-	USHORT usRegIndexTblSize;	/* size of asRegIndexBuf */
-	USHORT usRegDataBlkSize;	/* size of ATOM_MEMORY_SETTING_DATA_BLOCK */
-	ATOM_INIT_REG_INDEX_FORMAT asRegIndexBuf[1];
-	ATOM_MEMORY_SETTING_DATA_BLOCK asRegDataBuf[1];
-} ATOM_INIT_REG_BLOCK;
+}ATOM_MEMORY_SETTING_ID_CONFIG;
+
+typedef union _ATOM_MEMORY_SETTING_ID_CONFIG_ACCESS
+{
+  ATOM_MEMORY_SETTING_ID_CONFIG slAccess;
+  ULONG                         ulAccess;
+}ATOM_MEMORY_SETTING_ID_CONFIG_ACCESS;
+
+
+typedef struct _ATOM_MEMORY_SETTING_DATA_BLOCK{
+	ATOM_MEMORY_SETTING_ID_CONFIG_ACCESS			ulMemoryID;
+	ULONG															        aulMemData[1];
+}ATOM_MEMORY_SETTING_DATA_BLOCK;
+
+
+typedef struct _ATOM_INIT_REG_INDEX_FORMAT{
+	 USHORT											usRegIndex;                                     // MC register index
+	 UCHAR											ucPreRegDataLength;                             // offset in ATOM_INIT_REG_DATA_BLOCK.saRegDataBuf
+}ATOM_INIT_REG_INDEX_FORMAT;
+
+
+typedef struct _ATOM_INIT_REG_BLOCK{
+	USHORT													usRegIndexTblSize;													//size of asRegIndexBuf
+	USHORT													usRegDataBlkSize;														//size of ATOM_MEMORY_SETTING_DATA_BLOCK
+	ATOM_INIT_REG_INDEX_FORMAT			asRegIndexBuf[1];
+	ATOM_MEMORY_SETTING_DATA_BLOCK	asRegDataBuf[1];
+}ATOM_INIT_REG_BLOCK;
 
 #define END_OF_REG_INDEX_BLOCK  0x0ffff
 #define END_OF_REG_DATA_BLOCK   0x00000000
@@ -3716,16 +4530,19 @@ typedef struct _ATOM_INIT_REG_BLOCK {
 #define INDEX_ACCESS_RANGE_END		    (INDEX_ACCESS_RANGE_BEGIN + 1)
 #define VALUE_INDEX_ACCESS_SINGLE	    (INDEX_ACCESS_RANGE_END + 1)
 
-typedef struct _ATOM_MC_INIT_PARAM_TABLE {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	USHORT usAdjustARB_SEQDataOffset;
-	USHORT usMCInitMemTypeTblOffset;
-	USHORT usMCInitCommonTblOffset;
-	USHORT usMCInitPowerDownTblOffset;
-	ULONG ulARB_SEQDataBuf[32];
-	ATOM_INIT_REG_BLOCK asMCInitMemType;
-	ATOM_INIT_REG_BLOCK asMCInitCommon;
-} ATOM_MC_INIT_PARAM_TABLE;
+
+typedef struct _ATOM_MC_INIT_PARAM_TABLE
+{ 
+  ATOM_COMMON_TABLE_HEADER		sHeader;
+  USHORT											usAdjustARB_SEQDataOffset;
+  USHORT											usMCInitMemTypeTblOffset;
+  USHORT											usMCInitCommonTblOffset;
+  USHORT											usMCInitPowerDownTblOffset;
+	ULONG												ulARB_SEQDataBuf[32];
+	ATOM_INIT_REG_BLOCK					asMCInitMemType;
+	ATOM_INIT_REG_BLOCK					asMCInitCommon;
+}ATOM_MC_INIT_PARAM_TABLE;
+
 
 #define _4Mx16              0x2
 #define _4Mx32              0x3
@@ -3751,221 +4568,272 @@ typedef struct _ATOM_MC_INIT_PARAM_TABLE {
 
 #define QIMONDA             INFINEON
 #define PROMOS              MOSEL
+#define KRETON              INFINEON
 
-/* ///////////Support for GDDR5 MC uCode to reside in upper 64K of ROM///////////// */
+/////////////Support for GDDR5 MC uCode to reside in upper 64K of ROM/////////////
 
 #define UCODE_ROM_START_ADDRESS		0x1c000
-#define	UCODE_SIGNATURE			0x4375434d	/*  'MCuC' - MC uCode */
-
-/* uCode block header for reference */
-
-typedef struct _MCuCodeHeader {
-	ULONG ulSignature;
-	UCHAR ucRevision;
-	UCHAR ucChecksum;
-	UCHAR ucReserved1;
-	UCHAR ucReserved2;
-	USHORT usParametersLength;
-	USHORT usUCodeLength;
-	USHORT usReserved1;
-	USHORT usReserved2;
+#define	UCODE_SIGNATURE			0x4375434d // 'MCuC' - MC uCode
+
+//uCode block header for reference
+
+typedef struct _MCuCodeHeader
+{
+  ULONG  ulSignature;
+  UCHAR  ucRevision;
+  UCHAR  ucChecksum;
+  UCHAR  ucReserved1;
+  UCHAR  ucReserved2;
+  USHORT usParametersLength;
+  USHORT usUCodeLength;
+  USHORT usReserved1;
+  USHORT usReserved2;
 } MCuCodeHeader;
 
-/* //////////////////////////////////////////////////////////////////////////////// */
+//////////////////////////////////////////////////////////////////////////////////
 
 #define ATOM_MAX_NUMBER_OF_VRAM_MODULE	16
 
 #define ATOM_VRAM_MODULE_MEMORY_VENDOR_ID_MASK	0xF
-typedef struct _ATOM_VRAM_MODULE_V1 {
-	ULONG ulReserved;
-	USHORT usEMRSValue;
-	USHORT usMRSValue;
-	USHORT usReserved;
-	UCHAR ucExtMemoryID;	/*  An external indicator (by hardcode, callback or pin) to tell what is the current memory module */
-	UCHAR ucMemoryType;	/*  [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4;[3:0] reserved; */
-	UCHAR ucMemoryVenderID;	/*  Predefined,never change across designs or memory type/vender */
-	UCHAR ucMemoryDeviceCfg;	/*  [7:4]=0x0:4M;=0x1:8M;=0x2:16M;0x3:32M....[3:0]=0x0:x4;=0x1:x8;=0x2:x16;=0x3:x32... */
-	UCHAR ucRow;		/*  Number of Row,in power of 2; */
-	UCHAR ucColumn;		/*  Number of Column,in power of 2; */
-	UCHAR ucBank;		/*  Nunber of Bank; */
-	UCHAR ucRank;		/*  Number of Rank, in power of 2 */
-	UCHAR ucChannelNum;	/*  Number of channel; */
-	UCHAR ucChannelConfig;	/*  [3:0]=Indication of what channel combination;[4:7]=Channel bit width, in number of 2 */
-	UCHAR ucDefaultMVDDQ_ID;	/*  Default MVDDQ setting for this memory block, ID linking to MVDDQ info table to find real set-up data; */
-	UCHAR ucDefaultMVDDC_ID;	/*  Default MVDDC setting for this memory block, ID linking to MVDDC info table to find real set-up data; */
-	UCHAR ucReserved[2];
-} ATOM_VRAM_MODULE_V1;
-
-typedef struct _ATOM_VRAM_MODULE_V2 {
-	ULONG ulReserved;
-	ULONG ulFlags;		/*  To enable/disable functionalities based on memory type */
-	ULONG ulEngineClock;	/*  Override of default engine clock for particular memory type */
-	ULONG ulMemoryClock;	/*  Override of default memory clock for particular memory type */
-	USHORT usEMRS2Value;	/*  EMRS2 Value is used for GDDR2 and GDDR4 memory type */
-	USHORT usEMRS3Value;	/*  EMRS3 Value is used for GDDR2 and GDDR4 memory type */
-	USHORT usEMRSValue;
-	USHORT usMRSValue;
-	USHORT usReserved;
-	UCHAR ucExtMemoryID;	/*  An external indicator (by hardcode, callback or pin) to tell what is the current memory module */
-	UCHAR ucMemoryType;	/*  [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4;[3:0] - must not be used for now; */
-	UCHAR ucMemoryVenderID;	/*  Predefined,never change across designs or memory type/vender. If not predefined, vendor detection table gets executed */
-	UCHAR ucMemoryDeviceCfg;	/*  [7:4]=0x0:4M;=0x1:8M;=0x2:16M;0x3:32M....[3:0]=0x0:x4;=0x1:x8;=0x2:x16;=0x3:x32... */
-	UCHAR ucRow;		/*  Number of Row,in power of 2; */
-	UCHAR ucColumn;		/*  Number of Column,in power of 2; */
-	UCHAR ucBank;		/*  Nunber of Bank; */
-	UCHAR ucRank;		/*  Number of Rank, in power of 2 */
-	UCHAR ucChannelNum;	/*  Number of channel; */
-	UCHAR ucChannelConfig;	/*  [3:0]=Indication of what channel combination;[4:7]=Channel bit width, in number of 2 */
-	UCHAR ucDefaultMVDDQ_ID;	/*  Default MVDDQ setting for this memory block, ID linking to MVDDQ info table to find real set-up data; */
-	UCHAR ucDefaultMVDDC_ID;	/*  Default MVDDC setting for this memory block, ID linking to MVDDC info table to find real set-up data; */
-	UCHAR ucRefreshRateFactor;
-	UCHAR ucReserved[3];
-} ATOM_VRAM_MODULE_V2;
-
-typedef struct _ATOM_MEMORY_TIMING_FORMAT {
-	ULONG ulClkRange;	/*  memory clock in 10kHz unit, when target memory clock is below this clock, use this memory timing */
-	union {
-		USHORT usMRS;	/*  mode register */
-		USHORT usDDR3_MR0;
-	};
-	union {
-		USHORT usEMRS;	/*  extended mode register */
-		USHORT usDDR3_MR1;
-	};
-	UCHAR ucCL;		/*  CAS latency */
-	UCHAR ucWL;		/*  WRITE Latency */
-	UCHAR uctRAS;		/*  tRAS */
-	UCHAR uctRC;		/*  tRC */
-	UCHAR uctRFC;		/*  tRFC */
-	UCHAR uctRCDR;		/*  tRCDR */
-	UCHAR uctRCDW;		/*  tRCDW */
-	UCHAR uctRP;		/*  tRP */
-	UCHAR uctRRD;		/*  tRRD */
-	UCHAR uctWR;		/*  tWR */
-	UCHAR uctWTR;		/*  tWTR */
-	UCHAR uctPDIX;		/*  tPDIX */
-	UCHAR uctFAW;		/*  tFAW */
-	UCHAR uctAOND;		/*  tAOND */
-	union {
-		struct {
-			UCHAR ucflag;	/*  flag to control memory timing calculation. bit0= control EMRS2 Infineon */
-			UCHAR ucReserved;
-		};
-		USHORT usDDR3_MR2;
-	};
-} ATOM_MEMORY_TIMING_FORMAT;
-
-typedef struct _ATOM_MEMORY_TIMING_FORMAT_V1 {
-	ULONG ulClkRange;	/*  memory clock in 10kHz unit, when target memory clock is below this clock, use this memory timing */
-	USHORT usMRS;		/*  mode register */
-	USHORT usEMRS;		/*  extended mode register */
-	UCHAR ucCL;		/*  CAS latency */
-	UCHAR ucWL;		/*  WRITE Latency */
-	UCHAR uctRAS;		/*  tRAS */
-	UCHAR uctRC;		/*  tRC */
-	UCHAR uctRFC;		/*  tRFC */
-	UCHAR uctRCDR;		/*  tRCDR */
-	UCHAR uctRCDW;		/*  tRCDW */
-	UCHAR uctRP;		/*  tRP */
-	UCHAR uctRRD;		/*  tRRD */
-	UCHAR uctWR;		/*  tWR */
-	UCHAR uctWTR;		/*  tWTR */
-	UCHAR uctPDIX;		/*  tPDIX */
-	UCHAR uctFAW;		/*  tFAW */
-	UCHAR uctAOND;		/*  tAOND */
-	UCHAR ucflag;		/*  flag to control memory timing calculation. bit0= control EMRS2 Infineon */
-/* ///////////////////////GDDR parameters/////////////////////////////////// */
-	UCHAR uctCCDL;		/*  */
-	UCHAR uctCRCRL;		/*  */
-	UCHAR uctCRCWL;		/*  */
-	UCHAR uctCKE;		/*  */
-	UCHAR uctCKRSE;		/*  */
-	UCHAR uctCKRSX;		/*  */
-	UCHAR uctFAW32;		/*  */
-	UCHAR ucReserved1;	/*  */
-	UCHAR ucReserved2;	/*  */
-	UCHAR ucTerminator;
-} ATOM_MEMORY_TIMING_FORMAT_V1;
-
-typedef struct _ATOM_MEMORY_FORMAT {
-	ULONG ulDllDisClock;	/*  memory DLL will be disable when target memory clock is below this clock */
-	union {
-		USHORT usEMRS2Value;	/*  EMRS2 Value is used for GDDR2 and GDDR4 memory type */
-		USHORT usDDR3_Reserved;	/*  Not used for DDR3 memory */
-	};
-	union {
-		USHORT usEMRS3Value;	/*  EMRS3 Value is used for GDDR2 and GDDR4 memory type */
-		USHORT usDDR3_MR3;	/*  Used for DDR3 memory */
-	};
-	UCHAR ucMemoryType;	/*  [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4;[3:0] - must not be used for now; */
-	UCHAR ucMemoryVenderID;	/*  Predefined,never change across designs or memory type/vender. If not predefined, vendor detection table gets executed */
-	UCHAR ucRow;		/*  Number of Row,in power of 2; */
-	UCHAR ucColumn;		/*  Number of Column,in power of 2; */
-	UCHAR ucBank;		/*  Nunber of Bank; */
-	UCHAR ucRank;		/*  Number of Rank, in power of 2 */
-	UCHAR ucBurstSize;	/*  burst size, 0= burst size=4  1= burst size=8 */
-	UCHAR ucDllDisBit;	/*  position of DLL Enable/Disable bit in EMRS ( Extended Mode Register ) */
-	UCHAR ucRefreshRateFactor;	/*  memory refresh rate in unit of ms */
-	UCHAR ucDensity;	/*  _8Mx32, _16Mx32, _16Mx16, _32Mx16 */
-	UCHAR ucPreamble;	/* [7:4] Write Preamble, [3:0] Read Preamble */
-	UCHAR ucMemAttrib;	/*  Memory Device Addribute, like RDBI/WDBI etc */
-	ATOM_MEMORY_TIMING_FORMAT asMemTiming[5];	/* Memory Timing block sort from lower clock to higher clock */
-} ATOM_MEMORY_FORMAT;
-
-typedef struct _ATOM_VRAM_MODULE_V3 {
-	ULONG ulChannelMapCfg;	/*  board dependent paramenter:Channel combination */
-	USHORT usSize;		/*  size of ATOM_VRAM_MODULE_V3 */
-	USHORT usDefaultMVDDQ;	/*  board dependent parameter:Default Memory Core Voltage */
-	USHORT usDefaultMVDDC;	/*  board dependent parameter:Default Memory IO Voltage */
-	UCHAR ucExtMemoryID;	/*  An external indicator (by hardcode, callback or pin) to tell what is the current memory module */
-	UCHAR ucChannelNum;	/*  board dependent parameter:Number of channel; */
-	UCHAR ucChannelSize;	/*  board dependent parameter:32bit or 64bit */
-	UCHAR ucVREFI;		/*  board dependnt parameter: EXT or INT +160mv to -140mv */
-	UCHAR ucNPL_RT;		/*  board dependent parameter:NPL round trip delay, used for calculate memory timing parameters */
-	UCHAR ucFlag;		/*  To enable/disable functionalities based on memory type */
-	ATOM_MEMORY_FORMAT asMemory;	/*  describ all of video memory parameters from memory spec */
-} ATOM_VRAM_MODULE_V3;
-
-/* ATOM_VRAM_MODULE_V3.ucNPL_RT */
+typedef struct _ATOM_VRAM_MODULE_V1
+{
+  ULONG                      ulReserved;
+  USHORT                     usEMRSValue;  
+  USHORT                     usMRSValue;
+  USHORT                     usReserved;
+  UCHAR                      ucExtMemoryID;     // An external indicator (by hardcode, callback or pin) to tell what is the current memory module
+  UCHAR                      ucMemoryType;      // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4;[3:0] reserved;
+  UCHAR                      ucMemoryVenderID;  // Predefined,never change across designs or memory type/vender 
+  UCHAR                      ucMemoryDeviceCfg; // [7:4]=0x0:4M;=0x1:8M;=0x2:16M;0x3:32M....[3:0]=0x0:x4;=0x1:x8;=0x2:x16;=0x3:x32...
+  UCHAR                      ucRow;             // Number of Row,in power of 2;
+  UCHAR                      ucColumn;          // Number of Column,in power of 2;
+  UCHAR                      ucBank;            // Nunber of Bank;
+  UCHAR                      ucRank;            // Number of Rank, in power of 2
+  UCHAR                      ucChannelNum;      // Number of channel;
+  UCHAR                      ucChannelConfig;   // [3:0]=Indication of what channel combination;[4:7]=Channel bit width, in number of 2
+  UCHAR                      ucDefaultMVDDQ_ID; // Default MVDDQ setting for this memory block, ID linking to MVDDQ info table to find real set-up data;
+  UCHAR                      ucDefaultMVDDC_ID; // Default MVDDC setting for this memory block, ID linking to MVDDC info table to find real set-up data;
+  UCHAR                      ucReserved[2];
+}ATOM_VRAM_MODULE_V1;
+
+
+typedef struct _ATOM_VRAM_MODULE_V2
+{
+  ULONG                      ulReserved;
+  ULONG                      ulFlags;     			// To enable/disable functionalities based on memory type
+  ULONG                      ulEngineClock;     // Override of default engine clock for particular memory type
+  ULONG                      ulMemoryClock;     // Override of default memory clock for particular memory type
+  USHORT                     usEMRS2Value;      // EMRS2 Value is used for GDDR2 and GDDR4 memory type
+  USHORT                     usEMRS3Value;      // EMRS3 Value is used for GDDR2 and GDDR4 memory type
+  USHORT                     usEMRSValue;  
+  USHORT                     usMRSValue;
+  USHORT                     usReserved;
+  UCHAR                      ucExtMemoryID;     // An external indicator (by hardcode, callback or pin) to tell what is the current memory module
+  UCHAR                      ucMemoryType;      // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4;[3:0] - must not be used for now;
+  UCHAR                      ucMemoryVenderID;  // Predefined,never change across designs or memory type/vender. If not predefined, vendor detection table gets executed
+  UCHAR                      ucMemoryDeviceCfg; // [7:4]=0x0:4M;=0x1:8M;=0x2:16M;0x3:32M....[3:0]=0x0:x4;=0x1:x8;=0x2:x16;=0x3:x32...
+  UCHAR                      ucRow;             // Number of Row,in power of 2;
+  UCHAR                      ucColumn;          // Number of Column,in power of 2;
+  UCHAR                      ucBank;            // Nunber of Bank;
+  UCHAR                      ucRank;            // Number of Rank, in power of 2
+  UCHAR                      ucChannelNum;      // Number of channel;
+  UCHAR                      ucChannelConfig;   // [3:0]=Indication of what channel combination;[4:7]=Channel bit width, in number of 2
+  UCHAR                      ucDefaultMVDDQ_ID; // Default MVDDQ setting for this memory block, ID linking to MVDDQ info table to find real set-up data;
+  UCHAR                      ucDefaultMVDDC_ID; // Default MVDDC setting for this memory block, ID linking to MVDDC info table to find real set-up data;
+  UCHAR                      ucRefreshRateFactor;
+  UCHAR                      ucReserved[3];
+}ATOM_VRAM_MODULE_V2;
+
+
+typedef	struct _ATOM_MEMORY_TIMING_FORMAT
+{
+	ULONG											 ulClkRange;				// memory clock in 10kHz unit, when target memory clock is below this clock, use this memory timing 	
+  union{
+	  USHORT										 usMRS;							// mode register						
+    USHORT                     usDDR3_MR0;
+  };
+  union{
+	  USHORT										 usEMRS;						// extended mode register
+    USHORT                     usDDR3_MR1;
+  };
+	UCHAR											 ucCL;							// CAS latency
+	UCHAR											 ucWL;							// WRITE Latency				
+	UCHAR											 uctRAS;						// tRAS
+	UCHAR											 uctRC;							// tRC	
+	UCHAR											 uctRFC;						// tRFC
+	UCHAR											 uctRCDR;						// tRCDR	
+	UCHAR											 uctRCDW;						// tRCDW
+	UCHAR											 uctRP;							// tRP
+	UCHAR											 uctRRD;						// tRRD	
+	UCHAR											 uctWR;							// tWR
+	UCHAR											 uctWTR;						// tWTR
+	UCHAR											 uctPDIX;						// tPDIX
+	UCHAR											 uctFAW;						// tFAW
+	UCHAR											 uctAOND;						// tAOND
+  union 
+  {
+    struct {
+	    UCHAR											 ucflag;						// flag to control memory timing calculation. bit0= control EMRS2 Infineon 
+	    UCHAR											 ucReserved;						
+    };
+    USHORT                   usDDR3_MR2;
+  };
+}ATOM_MEMORY_TIMING_FORMAT;
+
+
+typedef	struct _ATOM_MEMORY_TIMING_FORMAT_V1
+{
+	ULONG											 ulClkRange;				// memory clock in 10kHz unit, when target memory clock is below this clock, use this memory timing 	
+	USHORT										 usMRS;							// mode register						
+	USHORT										 usEMRS;						// extended mode register
+	UCHAR											 ucCL;							// CAS latency
+	UCHAR											 ucWL;							// WRITE Latency				
+	UCHAR											 uctRAS;						// tRAS
+	UCHAR											 uctRC;							// tRC	
+	UCHAR											 uctRFC;						// tRFC
+	UCHAR											 uctRCDR;						// tRCDR	
+	UCHAR											 uctRCDW;						// tRCDW
+	UCHAR											 uctRP;							// tRP
+	UCHAR											 uctRRD;						// tRRD	
+	UCHAR											 uctWR;							// tWR
+	UCHAR											 uctWTR;						// tWTR
+	UCHAR											 uctPDIX;						// tPDIX
+	UCHAR											 uctFAW;						// tFAW
+	UCHAR											 uctAOND;						// tAOND
+	UCHAR											 ucflag;						// flag to control memory timing calculation. bit0= control EMRS2 Infineon 
+////////////////////////////////////GDDR parameters///////////////////////////////////
+	UCHAR											 uctCCDL;						// 
+	UCHAR											 uctCRCRL;						// 
+	UCHAR											 uctCRCWL;						// 
+	UCHAR											 uctCKE;						// 
+	UCHAR											 uctCKRSE;						// 
+	UCHAR											 uctCKRSX;						// 
+	UCHAR											 uctFAW32;						// 
+	UCHAR											 ucMR5lo;					// 
+	UCHAR											 ucMR5hi;					// 
+	UCHAR											 ucTerminator;
+}ATOM_MEMORY_TIMING_FORMAT_V1;
+
+typedef	struct _ATOM_MEMORY_TIMING_FORMAT_V2
+{
+	ULONG											 ulClkRange;				// memory clock in 10kHz unit, when target memory clock is below this clock, use this memory timing 	
+	USHORT										 usMRS;							// mode register						
+	USHORT										 usEMRS;						// extended mode register
+	UCHAR											 ucCL;							// CAS latency
+	UCHAR											 ucWL;							// WRITE Latency				
+	UCHAR											 uctRAS;						// tRAS
+	UCHAR											 uctRC;							// tRC	
+	UCHAR											 uctRFC;						// tRFC
+	UCHAR											 uctRCDR;						// tRCDR	
+	UCHAR											 uctRCDW;						// tRCDW
+	UCHAR											 uctRP;							// tRP
+	UCHAR											 uctRRD;						// tRRD	
+	UCHAR											 uctWR;							// tWR
+	UCHAR											 uctWTR;						// tWTR
+	UCHAR											 uctPDIX;						// tPDIX
+	UCHAR											 uctFAW;						// tFAW
+	UCHAR											 uctAOND;						// tAOND
+	UCHAR											 ucflag;						// flag to control memory timing calculation. bit0= control EMRS2 Infineon 
+////////////////////////////////////GDDR parameters///////////////////////////////////
+	UCHAR											 uctCCDL;						// 
+	UCHAR											 uctCRCRL;						// 
+	UCHAR											 uctCRCWL;						// 
+	UCHAR											 uctCKE;						// 
+	UCHAR											 uctCKRSE;						// 
+	UCHAR											 uctCKRSX;						// 
+	UCHAR											 uctFAW32;						// 
+	UCHAR											 ucMR4lo;					// 
+	UCHAR											 ucMR4hi;					// 
+	UCHAR											 ucMR5lo;					// 
+	UCHAR											 ucMR5hi;					// 
+	UCHAR											 ucTerminator;
+	UCHAR											 ucReserved;	
+}ATOM_MEMORY_TIMING_FORMAT_V2;
+
+typedef	struct _ATOM_MEMORY_FORMAT
+{
+	ULONG											 ulDllDisClock;			// memory DLL will be disable when target memory clock is below this clock
+  union{
+    USHORT                     usEMRS2Value;      // EMRS2 Value is used for GDDR2 and GDDR4 memory type
+    USHORT                     usDDR3_Reserved;   // Not used for DDR3 memory
+  };
+  union{
+    USHORT                     usEMRS3Value;      // EMRS3 Value is used for GDDR2 and GDDR4 memory type
+    USHORT                     usDDR3_MR3;        // Used for DDR3 memory
+  };
+  UCHAR                      ucMemoryType;      // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4;[3:0] - must not be used for now;
+  UCHAR                      ucMemoryVenderID;  // Predefined,never change across designs or memory type/vender. If not predefined, vendor detection table gets executed
+  UCHAR                      ucRow;             // Number of Row,in power of 2;
+  UCHAR                      ucColumn;          // Number of Column,in power of 2;
+  UCHAR                      ucBank;            // Nunber of Bank;
+  UCHAR                      ucRank;            // Number of Rank, in power of 2
+	UCHAR											 ucBurstSize;				// burst size, 0= burst size=4  1= burst size=8
+  UCHAR                      ucDllDisBit;				// position of DLL Enable/Disable bit in EMRS ( Extended Mode Register )
+  UCHAR                      ucRefreshRateFactor;	// memory refresh rate in unit of ms	
+	UCHAR											 ucDensity;					// _8Mx32, _16Mx32, _16Mx16, _32Mx16
+	UCHAR											 ucPreamble;				//[7:4] Write Preamble, [3:0] Read Preamble
+  UCHAR											 ucMemAttrib;				// Memory Device Addribute, like RDBI/WDBI etc
+	ATOM_MEMORY_TIMING_FORMAT	 asMemTiming[5];		//Memory Timing block sort from lower clock to higher clock
+}ATOM_MEMORY_FORMAT;
+
+
+typedef struct _ATOM_VRAM_MODULE_V3
+{
+	ULONG											 ulChannelMapCfg;		// board dependent paramenter:Channel combination
+	USHORT										 usSize;						// size of ATOM_VRAM_MODULE_V3
+  USHORT                     usDefaultMVDDQ;		// board dependent parameter:Default Memory Core Voltage
+  USHORT                     usDefaultMVDDC;		// board dependent parameter:Default Memory IO Voltage
+	UCHAR                      ucExtMemoryID;     // An external indicator (by hardcode, callback or pin) to tell what is the current memory module
+  UCHAR                      ucChannelNum;      // board dependent parameter:Number of channel;
+	UCHAR											 ucChannelSize;			// board dependent parameter:32bit or 64bit	
+	UCHAR											 ucVREFI;						// board dependnt parameter: EXT or INT +160mv to -140mv
+	UCHAR											 ucNPL_RT;					// board dependent parameter:NPL round trip delay, used for calculate memory timing parameters
+	UCHAR											 ucFlag;						// To enable/disable functionalities based on memory type
+	ATOM_MEMORY_FORMAT				 asMemory;					// describ all of video memory parameters from memory spec
+}ATOM_VRAM_MODULE_V3;
+
+
+//ATOM_VRAM_MODULE_V3.ucNPL_RT
 #define NPL_RT_MASK															0x0f
 #define BATTERY_ODT_MASK												0xc0
 
 #define ATOM_VRAM_MODULE		 ATOM_VRAM_MODULE_V3
 
-typedef struct _ATOM_VRAM_MODULE_V4 {
-	ULONG ulChannelMapCfg;	/*  board dependent parameter: Channel combination */
-	USHORT usModuleSize;	/*  size of ATOM_VRAM_MODULE_V4, make it easy for VBIOS to look for next entry of VRAM_MODULE */
-	USHORT usPrivateReserved;	/*  BIOS internal reserved space to optimize code size, updated by the compiler, shouldn't be modified manually!! */
-	/*  MC_ARB_RAMCFG (includes NOOFBANK,NOOFRANKS,NOOFROWS,NOOFCOLS) */
-	USHORT usReserved;
-	UCHAR ucExtMemoryID;	/*  An external indicator (by hardcode, callback or pin) to tell what is the current memory module */
-	UCHAR ucMemoryType;	/*  [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4; 0x5:DDR5 [3:0] - Must be 0x0 for now; */
-	UCHAR ucChannelNum;	/*  Number of channels present in this module config */
-	UCHAR ucChannelWidth;	/*  0 - 32 bits; 1 - 64 bits */
-	UCHAR ucDensity;	/*  _8Mx32, _16Mx32, _16Mx16, _32Mx16 */
-	UCHAR ucFlag;		/*  To enable/disable functionalities based on memory type */
-	UCHAR ucMisc;		/*  bit0: 0 - single rank; 1 - dual rank;   bit2: 0 - burstlength 4, 1 - burstlength 8 */
-	UCHAR ucVREFI;		/*  board dependent parameter */
-	UCHAR ucNPL_RT;		/*  board dependent parameter:NPL round trip delay, used for calculate memory timing parameters */
-	UCHAR ucPreamble;	/*  [7:4] Write Preamble, [3:0] Read Preamble */
-	UCHAR ucMemorySize;	/*  BIOS internal reserved space to optimize code size, updated by the compiler, shouldn't be modified manually!! */
-	/*  Total memory size in unit of 16MB for CONFIG_MEMSIZE - bit[23:0] zeros */
-	UCHAR ucReserved[3];
-
-/* compare with V3, we flat the struct by merging ATOM_MEMORY_FORMAT (as is) into V4 as the same level */
-	union {
-		USHORT usEMRS2Value;	/*  EMRS2 Value is used for GDDR2 and GDDR4 memory type */
-		USHORT usDDR3_Reserved;
-	};
-	union {
-		USHORT usEMRS3Value;	/*  EMRS3 Value is used for GDDR2 and GDDR4 memory type */
-		USHORT usDDR3_MR3;	/*  Used for DDR3 memory */
-	};
-	UCHAR ucMemoryVenderID;	/*  Predefined, If not predefined, vendor detection table gets executed */
-	UCHAR ucRefreshRateFactor;	/*  [1:0]=RefreshFactor (00=8ms, 01=16ms, 10=32ms,11=64ms) */
-	UCHAR ucReserved2[2];
-	ATOM_MEMORY_TIMING_FORMAT asMemTiming[5];	/* Memory Timing block sort from lower clock to higher clock */
-} ATOM_VRAM_MODULE_V4;
+typedef struct _ATOM_VRAM_MODULE_V4
+{
+  ULONG	  ulChannelMapCfg;	                // board dependent parameter: Channel combination
+  USHORT  usModuleSize;                     // size of ATOM_VRAM_MODULE_V4, make it easy for VBIOS to look for next entry of VRAM_MODULE
+  USHORT  usPrivateReserved;                // BIOS internal reserved space to optimize code size, updated by the compiler, shouldn't be modified manually!!
+                                            // MC_ARB_RAMCFG (includes NOOFBANK,NOOFRANKS,NOOFROWS,NOOFCOLS)
+  USHORT  usReserved;
+  UCHAR   ucExtMemoryID;    		            // An external indicator (by hardcode, callback or pin) to tell what is the current memory module
+  UCHAR   ucMemoryType;                     // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4; 0x5:DDR5 [3:0] - Must be 0x0 for now;
+  UCHAR   ucChannelNum;                     // Number of channels present in this module config
+  UCHAR   ucChannelWidth;                   // 0 - 32 bits; 1 - 64 bits
+	UCHAR   ucDensity;                        // _8Mx32, _16Mx32, _16Mx16, _32Mx16
+	UCHAR	  ucFlag;						                // To enable/disable functionalities based on memory type
+	UCHAR	  ucMisc;						                // bit0: 0 - single rank; 1 - dual rank;   bit2: 0 - burstlength 4, 1 - burstlength 8
+  UCHAR		ucVREFI;                          // board dependent parameter
+  UCHAR   ucNPL_RT;                         // board dependent parameter:NPL round trip delay, used for calculate memory timing parameters
+  UCHAR		ucPreamble;                       // [7:4] Write Preamble, [3:0] Read Preamble
+  UCHAR   ucMemorySize;                     // BIOS internal reserved space to optimize code size, updated by the compiler, shouldn't be modified manually!!
+                                            // Total memory size in unit of 16MB for CONFIG_MEMSIZE - bit[23:0] zeros
+  UCHAR   ucReserved[3];
+
+//compare with V3, we flat the struct by merging ATOM_MEMORY_FORMAT (as is) into V4 as the same level
+  union{
+    USHORT	usEMRS2Value;                   // EMRS2 Value is used for GDDR2 and GDDR4 memory type
+    USHORT  usDDR3_Reserved;
+  };
+  union{
+    USHORT	usEMRS3Value;                   // EMRS3 Value is used for GDDR2 and GDDR4 memory type
+    USHORT  usDDR3_MR3;                     // Used for DDR3 memory
+  };  
+  UCHAR   ucMemoryVenderID;  		            // Predefined, If not predefined, vendor detection table gets executed
+  UCHAR	  ucRefreshRateFactor;              // [1:0]=RefreshFactor (00=8ms, 01=16ms, 10=32ms,11=64ms)
+  UCHAR   ucReserved2[2];
+  ATOM_MEMORY_TIMING_FORMAT  asMemTiming[5];//Memory Timing block sort from lower clock to higher clock
+}ATOM_VRAM_MODULE_V4;
 
 #define VRAM_MODULE_V4_MISC_RANK_MASK       0x3
 #define VRAM_MODULE_V4_MISC_DUAL_RANK       0x1
@@ -3973,96 +4841,139 @@ typedef struct _ATOM_VRAM_MODULE_V4 {
 #define VRAM_MODULE_V4_MISC_BL8             0x4
 #define VRAM_MODULE_V4_MISC_DUAL_CS         0x10
 
-typedef struct _ATOM_VRAM_MODULE_V5 {
-	ULONG ulChannelMapCfg;	/*  board dependent parameter: Channel combination */
-	USHORT usModuleSize;	/*  size of ATOM_VRAM_MODULE_V4, make it easy for VBIOS to look for next entry of VRAM_MODULE */
-	USHORT usPrivateReserved;	/*  BIOS internal reserved space to optimize code size, updated by the compiler, shouldn't be modified manually!! */
-	/*  MC_ARB_RAMCFG (includes NOOFBANK,NOOFRANKS,NOOFROWS,NOOFCOLS) */
-	USHORT usReserved;
-	UCHAR ucExtMemoryID;	/*  An external indicator (by hardcode, callback or pin) to tell what is the current memory module */
-	UCHAR ucMemoryType;	/*  [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4; 0x5:DDR5 [3:0] - Must be 0x0 for now; */
-	UCHAR ucChannelNum;	/*  Number of channels present in this module config */
-	UCHAR ucChannelWidth;	/*  0 - 32 bits; 1 - 64 bits */
-	UCHAR ucDensity;	/*  _8Mx32, _16Mx32, _16Mx16, _32Mx16 */
-	UCHAR ucFlag;		/*  To enable/disable functionalities based on memory type */
-	UCHAR ucMisc;		/*  bit0: 0 - single rank; 1 - dual rank;   bit2: 0 - burstlength 4, 1 - burstlength 8 */
-	UCHAR ucVREFI;		/*  board dependent parameter */
-	UCHAR ucNPL_RT;		/*  board dependent parameter:NPL round trip delay, used for calculate memory timing parameters */
-	UCHAR ucPreamble;	/*  [7:4] Write Preamble, [3:0] Read Preamble */
-	UCHAR ucMemorySize;	/*  BIOS internal reserved space to optimize code size, updated by the compiler, shouldn't be modified manually!! */
-	/*  Total memory size in unit of 16MB for CONFIG_MEMSIZE - bit[23:0] zeros */
-	UCHAR ucReserved[3];
+typedef struct _ATOM_VRAM_MODULE_V5
+{
+  ULONG	  ulChannelMapCfg;	                // board dependent parameter: Channel combination
+  USHORT  usModuleSize;                     // size of ATOM_VRAM_MODULE_V4, make it easy for VBIOS to look for next entry of VRAM_MODULE
+  USHORT  usPrivateReserved;                // BIOS internal reserved space to optimize code size, updated by the compiler, shouldn't be modified manually!!
+                                            // MC_ARB_RAMCFG (includes NOOFBANK,NOOFRANKS,NOOFROWS,NOOFCOLS)
+  USHORT  usReserved;
+  UCHAR   ucExtMemoryID;    		            // An external indicator (by hardcode, callback or pin) to tell what is the current memory module
+  UCHAR   ucMemoryType;                     // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4; 0x5:DDR5 [3:0] - Must be 0x0 for now;
+  UCHAR   ucChannelNum;                     // Number of channels present in this module config
+  UCHAR   ucChannelWidth;                   // 0 - 32 bits; 1 - 64 bits
+	UCHAR   ucDensity;                        // _8Mx32, _16Mx32, _16Mx16, _32Mx16
+	UCHAR	  ucFlag;						                // To enable/disable functionalities based on memory type
+	UCHAR	  ucMisc;						                // bit0: 0 - single rank; 1 - dual rank;   bit2: 0 - burstlength 4, 1 - burstlength 8
+  UCHAR		ucVREFI;                          // board dependent parameter
+  UCHAR   ucNPL_RT;                         // board dependent parameter:NPL round trip delay, used for calculate memory timing parameters
+  UCHAR		ucPreamble;                       // [7:4] Write Preamble, [3:0] Read Preamble
+  UCHAR   ucMemorySize;                     // BIOS internal reserved space to optimize code size, updated by the compiler, shouldn't be modified manually!!
+                                            // Total memory size in unit of 16MB for CONFIG_MEMSIZE - bit[23:0] zeros
+  UCHAR   ucReserved[3];
+
+//compare with V3, we flat the struct by merging ATOM_MEMORY_FORMAT (as is) into V4 as the same level
+  USHORT	usEMRS2Value;      		            // EMRS2 Value is used for GDDR2 and GDDR4 memory type
+  USHORT	usEMRS3Value;      		            // EMRS3 Value is used for GDDR2 and GDDR4 memory type
+  UCHAR   ucMemoryVenderID;  		            // Predefined, If not predefined, vendor detection table gets executed
+  UCHAR	  ucRefreshRateFactor;              // [1:0]=RefreshFactor (00=8ms, 01=16ms, 10=32ms,11=64ms)
+  UCHAR	  ucFIFODepth;			                // FIFO depth supposes to be detected during vendor detection, but if we dont do vendor detection we have to hardcode FIFO Depth
+  UCHAR   ucCDR_Bandwidth;		   // [0:3]=Read CDR bandwidth, [4:7] - Write CDR Bandwidth
+  ATOM_MEMORY_TIMING_FORMAT_V1  asMemTiming[5];//Memory Timing block sort from lower clock to higher clock
+}ATOM_VRAM_MODULE_V5;
+
+typedef struct _ATOM_VRAM_MODULE_V6
+{
+  ULONG	  ulChannelMapCfg;	                // board dependent parameter: Channel combination
+  USHORT  usModuleSize;                     // size of ATOM_VRAM_MODULE_V4, make it easy for VBIOS to look for next entry of VRAM_MODULE
+  USHORT  usPrivateReserved;                // BIOS internal reserved space to optimize code size, updated by the compiler, shouldn't be modified manually!!
+                                            // MC_ARB_RAMCFG (includes NOOFBANK,NOOFRANKS,NOOFROWS,NOOFCOLS)
+  USHORT  usReserved;
+  UCHAR   ucExtMemoryID;    		            // An external indicator (by hardcode, callback or pin) to tell what is the current memory module
+  UCHAR   ucMemoryType;                     // [7:4]=0x1:DDR1;=0x2:DDR2;=0x3:DDR3;=0x4:DDR4; 0x5:DDR5 [3:0] - Must be 0x0 for now;
+  UCHAR   ucChannelNum;                     // Number of channels present in this module config
+  UCHAR   ucChannelWidth;                   // 0 - 32 bits; 1 - 64 bits
+	UCHAR   ucDensity;                        // _8Mx32, _16Mx32, _16Mx16, _32Mx16
+	UCHAR	  ucFlag;						                // To enable/disable functionalities based on memory type
+	UCHAR	  ucMisc;						                // bit0: 0 - single rank; 1 - dual rank;   bit2: 0 - burstlength 4, 1 - burstlength 8
+  UCHAR		ucVREFI;                          // board dependent parameter
+  UCHAR   ucNPL_RT;                         // board dependent parameter:NPL round trip delay, used for calculate memory timing parameters
+  UCHAR		ucPreamble;                       // [7:4] Write Preamble, [3:0] Read Preamble
+  UCHAR   ucMemorySize;                     // BIOS internal reserved space to optimize code size, updated by the compiler, shouldn't be modified manually!!
+                                            // Total memory size in unit of 16MB for CONFIG_MEMSIZE - bit[23:0] zeros
+  UCHAR   ucReserved[3];
+
+//compare with V3, we flat the struct by merging ATOM_MEMORY_FORMAT (as is) into V4 as the same level
+  USHORT	usEMRS2Value;      		            // EMRS2 Value is used for GDDR2 and GDDR4 memory type
+  USHORT	usEMRS3Value;      		            // EMRS3 Value is used for GDDR2 and GDDR4 memory type
+  UCHAR   ucMemoryVenderID;  		            // Predefined, If not predefined, vendor detection table gets executed
+  UCHAR	  ucRefreshRateFactor;              // [1:0]=RefreshFactor (00=8ms, 01=16ms, 10=32ms,11=64ms)
+  UCHAR	  ucFIFODepth;			                // FIFO depth supposes to be detected during vendor detection, but if we dont do vendor detection we have to hardcode FIFO Depth
+  UCHAR   ucCDR_Bandwidth;		   // [0:3]=Read CDR bandwidth, [4:7] - Write CDR Bandwidth
+  ATOM_MEMORY_TIMING_FORMAT_V2  asMemTiming[5];//Memory Timing block sort from lower clock to higher clock
+}ATOM_VRAM_MODULE_V6;
+
+
+
+typedef struct _ATOM_VRAM_INFO_V2
+{
+  ATOM_COMMON_TABLE_HEADER   sHeader;
+  UCHAR                      ucNumOfVRAMModule;
+  ATOM_VRAM_MODULE           aVramInfo[ATOM_MAX_NUMBER_OF_VRAM_MODULE];      // just for allocation, real number of blocks is in ucNumOfVRAMModule;
+}ATOM_VRAM_INFO_V2;
 
-/* compare with V3, we flat the struct by merging ATOM_MEMORY_FORMAT (as is) into V4 as the same level */
-	USHORT usEMRS2Value;	/*  EMRS2 Value is used for GDDR2 and GDDR4 memory type */
-	USHORT usEMRS3Value;	/*  EMRS3 Value is used for GDDR2 and GDDR4 memory type */
-	UCHAR ucMemoryVenderID;	/*  Predefined, If not predefined, vendor detection table gets executed */
-	UCHAR ucRefreshRateFactor;	/*  [1:0]=RefreshFactor (00=8ms, 01=16ms, 10=32ms,11=64ms) */
-	UCHAR ucFIFODepth;	/*  FIFO depth supposes to be detected during vendor detection, but if we dont do vendor detection we have to hardcode FIFO Depth */
-	UCHAR ucCDR_Bandwidth;	/*  [0:3]=Read CDR bandwidth, [4:7] - Write CDR Bandwidth */
-	ATOM_MEMORY_TIMING_FORMAT_V1 asMemTiming[5];	/* Memory Timing block sort from lower clock to higher clock */
-} ATOM_VRAM_MODULE_V5;
-
-typedef struct _ATOM_VRAM_INFO_V2 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	UCHAR ucNumOfVRAMModule;
-	ATOM_VRAM_MODULE aVramInfo[ATOM_MAX_NUMBER_OF_VRAM_MODULE];	/*  just for allocation, real number of blocks is in ucNumOfVRAMModule; */
-} ATOM_VRAM_INFO_V2;
-
-typedef struct _ATOM_VRAM_INFO_V3 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	USHORT usMemAdjustTblOffset;	/*  offset of ATOM_INIT_REG_BLOCK structure for memory vendor specific MC adjust setting */
-	USHORT usMemClkPatchTblOffset;	/*      offset of ATOM_INIT_REG_BLOCK structure for memory clock specific MC setting */
-	USHORT usRerseved;
-	UCHAR aVID_PinsShift[9];	/*  8 bit strap maximum+terminator */
-	UCHAR ucNumOfVRAMModule;
-	ATOM_VRAM_MODULE aVramInfo[ATOM_MAX_NUMBER_OF_VRAM_MODULE];	/*  just for allocation, real number of blocks is in ucNumOfVRAMModule; */
-	ATOM_INIT_REG_BLOCK asMemPatch;	/*  for allocation */
-	/*      ATOM_INIT_REG_BLOCK                              aMemAdjust; */
-} ATOM_VRAM_INFO_V3;
+typedef struct _ATOM_VRAM_INFO_V3
+{
+  ATOM_COMMON_TABLE_HEADER   sHeader;
+	USHORT										 usMemAdjustTblOffset;													 // offset of ATOM_INIT_REG_BLOCK structure for memory vendor specific MC adjust setting
+	USHORT										 usMemClkPatchTblOffset;												 //	offset of ATOM_INIT_REG_BLOCK structure for memory clock specific MC setting
+	USHORT										 usRerseved;
+	UCHAR           	         aVID_PinsShift[9];															 // 8 bit strap maximum+terminator
+  UCHAR                      ucNumOfVRAMModule;
+  ATOM_VRAM_MODULE		       aVramInfo[ATOM_MAX_NUMBER_OF_VRAM_MODULE];      // just for allocation, real number of blocks is in ucNumOfVRAMModule;
+	ATOM_INIT_REG_BLOCK				 asMemPatch;																		 // for allocation
+																																						 //	ATOM_INIT_REG_BLOCK				 aMemAdjust;
+}ATOM_VRAM_INFO_V3;
 
 #define	ATOM_VRAM_INFO_LAST	     ATOM_VRAM_INFO_V3
 
-typedef struct _ATOM_VRAM_INFO_V4 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	USHORT usMemAdjustTblOffset;	/*  offset of ATOM_INIT_REG_BLOCK structure for memory vendor specific MC adjust setting */
-	USHORT usMemClkPatchTblOffset;	/*      offset of ATOM_INIT_REG_BLOCK structure for memory clock specific MC setting */
-	USHORT usRerseved;
-	UCHAR ucMemDQ7_0ByteRemap;	/*  DQ line byte remap, =0: Memory Data line BYTE0, =1: BYTE1, =2: BYTE2, =3: BYTE3 */
-	ULONG ulMemDQ7_0BitRemap;	/*  each DQ line ( 7~0) use 3bits, like: DQ0=Bit[2:0], DQ1:[5:3], ... DQ7:[23:21] */
-	UCHAR ucReservde[4];
-	UCHAR ucNumOfVRAMModule;
-	ATOM_VRAM_MODULE_V4 aVramInfo[ATOM_MAX_NUMBER_OF_VRAM_MODULE];	/*  just for allocation, real number of blocks is in ucNumOfVRAMModule; */
-	ATOM_INIT_REG_BLOCK asMemPatch;	/*  for allocation */
-	/*      ATOM_INIT_REG_BLOCK                              aMemAdjust; */
-} ATOM_VRAM_INFO_V4;
-
-typedef struct _ATOM_VRAM_GPIO_DETECTION_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	UCHAR aVID_PinsShift[9];	/* 8 bit strap maximum+terminator */
-} ATOM_VRAM_GPIO_DETECTION_INFO;
-
-typedef struct _ATOM_MEMORY_TRAINING_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	UCHAR ucTrainingLoop;
-	UCHAR ucReserved[3];
-	ATOM_INIT_REG_BLOCK asMemTrainingSetting;
-} ATOM_MEMORY_TRAINING_INFO;
-
-typedef struct SW_I2C_CNTL_DATA_PARAMETERS {
-	UCHAR ucControl;
-	UCHAR ucData;
-	UCHAR ucSatus;
-	UCHAR ucTemp;
+typedef struct _ATOM_VRAM_INFO_V4
+{
+  ATOM_COMMON_TABLE_HEADER   sHeader;
+	USHORT										 usMemAdjustTblOffset;													 // offset of ATOM_INIT_REG_BLOCK structure for memory vendor specific MC adjust setting
+	USHORT										 usMemClkPatchTblOffset;												 //	offset of ATOM_INIT_REG_BLOCK structure for memory clock specific MC setting
+	USHORT										 usRerseved;
+	UCHAR           	         ucMemDQ7_0ByteRemap;													   // DQ line byte remap, =0: Memory Data line BYTE0, =1: BYTE1, =2: BYTE2, =3: BYTE3
+  ULONG                      ulMemDQ7_0BitRemap;                             // each DQ line ( 7~0) use 3bits, like: DQ0=Bit[2:0], DQ1:[5:3], ... DQ7:[23:21]
+  UCHAR                      ucReservde[4]; 
+  UCHAR                      ucNumOfVRAMModule;
+  ATOM_VRAM_MODULE_V4		     aVramInfo[ATOM_MAX_NUMBER_OF_VRAM_MODULE];      // just for allocation, real number of blocks is in ucNumOfVRAMModule;
+	ATOM_INIT_REG_BLOCK				 asMemPatch;																		 // for allocation
+																																						 //	ATOM_INIT_REG_BLOCK				 aMemAdjust;
+}ATOM_VRAM_INFO_V4;
+
+typedef struct _ATOM_VRAM_GPIO_DETECTION_INFO
+{
+  ATOM_COMMON_TABLE_HEADER   sHeader;
+  UCHAR           	         aVID_PinsShift[9];   //8 bit strap maximum+terminator
+}ATOM_VRAM_GPIO_DETECTION_INFO;
+
+
+typedef struct _ATOM_MEMORY_TRAINING_INFO
+{
+	ATOM_COMMON_TABLE_HEADER   sHeader;
+	UCHAR											 ucTrainingLoop;
+	UCHAR											 ucReserved[3];
+	ATOM_INIT_REG_BLOCK				 asMemTrainingSetting;
+}ATOM_MEMORY_TRAINING_INFO;
+
+
+typedef struct SW_I2C_CNTL_DATA_PARAMETERS
+{
+  UCHAR    ucControl;
+  UCHAR    ucData; 
+  UCHAR    ucSatus; 
+  UCHAR    ucTemp; 
 } SW_I2C_CNTL_DATA_PARAMETERS;
 
 #define SW_I2C_CNTL_DATA_PS_ALLOCATION  SW_I2C_CNTL_DATA_PARAMETERS
 
-typedef struct _SW_I2C_IO_DATA_PARAMETERS {
-	USHORT GPIO_Info;
-	UCHAR ucAct;
-	UCHAR ucData;
-} SW_I2C_IO_DATA_PARAMETERS;
+typedef struct _SW_I2C_IO_DATA_PARAMETERS
+{                               
+  USHORT   GPIO_Info;
+  UCHAR    ucAct; 
+  UCHAR    ucData; 
+ } SW_I2C_IO_DATA_PARAMETERS;
 
 #define SW_I2C_IO_DATA_PS_ALLOCATION  SW_I2C_IO_DATA_PARAMETERS
 
@@ -4087,127 +4998,136 @@ typedef struct _SW_I2C_IO_DATA_PARAMETERS {
 #define SW_I2C_CNTL_CLOSE     5
 #define SW_I2C_CNTL_WRITE1BIT 6
 
-/* ==============================VESA definition Portion=============================== */
+//==============================VESA definition Portion===============================
 #define VESA_OEM_PRODUCT_REV			            '01.00'
-#define VESA_MODE_ATTRIBUTE_MODE_SUPPORT	     0xBB	/* refer to VBE spec p.32, no TTY support */
+#define VESA_MODE_ATTRIBUTE_MODE_SUPPORT	     0xBB	//refer to VBE spec p.32, no TTY support
 #define VESA_MODE_WIN_ATTRIBUTE						     7
 #define VESA_WIN_SIZE											     64
 
-typedef struct _PTR_32_BIT_STRUCTURE {
-	USHORT Offset16;
-	USHORT Segment16;
+typedef struct _PTR_32_BIT_STRUCTURE
+{
+	USHORT	Offset16;			
+	USHORT	Segment16;				
 } PTR_32_BIT_STRUCTURE;
 
-typedef union _PTR_32_BIT_UNION {
-	PTR_32_BIT_STRUCTURE SegmentOffset;
-	ULONG Ptr32_Bit;
+typedef union _PTR_32_BIT_UNION
+{
+	PTR_32_BIT_STRUCTURE	SegmentOffset;
+	ULONG					        Ptr32_Bit;
 } PTR_32_BIT_UNION;
 
-typedef struct _VBE_1_2_INFO_BLOCK_UPDATABLE {
-	UCHAR VbeSignature[4];
-	USHORT VbeVersion;
-	PTR_32_BIT_UNION OemStringPtr;
-	UCHAR Capabilities[4];
-	PTR_32_BIT_UNION VideoModePtr;
-	USHORT TotalMemory;
+typedef struct _VBE_1_2_INFO_BLOCK_UPDATABLE
+{
+	UCHAR				      VbeSignature[4];
+	USHORT				    VbeVersion;
+	PTR_32_BIT_UNION	OemStringPtr;
+	UCHAR				      Capabilities[4];
+	PTR_32_BIT_UNION	VideoModePtr;
+	USHORT				    TotalMemory;
 } VBE_1_2_INFO_BLOCK_UPDATABLE;
 
-typedef struct _VBE_2_0_INFO_BLOCK_UPDATABLE {
-	VBE_1_2_INFO_BLOCK_UPDATABLE CommonBlock;
-	USHORT OemSoftRev;
-	PTR_32_BIT_UNION OemVendorNamePtr;
-	PTR_32_BIT_UNION OemProductNamePtr;
-	PTR_32_BIT_UNION OemProductRevPtr;
+
+typedef struct _VBE_2_0_INFO_BLOCK_UPDATABLE
+{
+	VBE_1_2_INFO_BLOCK_UPDATABLE	CommonBlock;
+	USHORT							    OemSoftRev;
+	PTR_32_BIT_UNION				OemVendorNamePtr;
+	PTR_32_BIT_UNION				OemProductNamePtr;
+	PTR_32_BIT_UNION				OemProductRevPtr;
 } VBE_2_0_INFO_BLOCK_UPDATABLE;
 
-typedef union _VBE_VERSION_UNION {
-	VBE_2_0_INFO_BLOCK_UPDATABLE VBE_2_0_InfoBlock;
-	VBE_1_2_INFO_BLOCK_UPDATABLE VBE_1_2_InfoBlock;
+typedef union _VBE_VERSION_UNION
+{
+	VBE_2_0_INFO_BLOCK_UPDATABLE	VBE_2_0_InfoBlock;
+	VBE_1_2_INFO_BLOCK_UPDATABLE	VBE_1_2_InfoBlock;
 } VBE_VERSION_UNION;
 
-typedef struct _VBE_INFO_BLOCK {
-	VBE_VERSION_UNION UpdatableVBE_Info;
-	UCHAR Reserved[222];
-	UCHAR OemData[256];
+typedef struct _VBE_INFO_BLOCK
+{
+	VBE_VERSION_UNION			UpdatableVBE_Info;
+	UCHAR						      Reserved[222];
+	UCHAR						      OemData[256];
 } VBE_INFO_BLOCK;
 
-typedef struct _VBE_FP_INFO {
-	USHORT HSize;
-	USHORT VSize;
-	USHORT FPType;
-	UCHAR RedBPP;
-	UCHAR GreenBPP;
-	UCHAR BlueBPP;
-	UCHAR ReservedBPP;
-	ULONG RsvdOffScrnMemSize;
-	ULONG RsvdOffScrnMEmPtr;
-	UCHAR Reserved[14];
+typedef struct _VBE_FP_INFO
+{
+  USHORT	HSize;
+	USHORT	VSize;
+	USHORT	FPType;
+	UCHAR		RedBPP;
+	UCHAR		GreenBPP;
+	UCHAR		BlueBPP;
+	UCHAR		ReservedBPP;
+	ULONG		RsvdOffScrnMemSize;
+	ULONG		RsvdOffScrnMEmPtr;
+	UCHAR		Reserved[14];
 } VBE_FP_INFO;
 
-typedef struct _VESA_MODE_INFO_BLOCK {
-/*  Mandatory information for all VBE revisions */
-	USHORT ModeAttributes;	/*                  dw      ?       ; mode attributes */
-	UCHAR WinAAttributes;	/*                    db      ?       ; window A attributes */
-	UCHAR WinBAttributes;	/*                    db      ?       ; window B attributes */
-	USHORT WinGranularity;	/*                    dw      ?       ; window granularity */
-	USHORT WinSize;		/*                    dw      ?       ; window size */
-	USHORT WinASegment;	/*                    dw      ?       ; window A start segment */
-	USHORT WinBSegment;	/*                    dw      ?       ; window B start segment */
-	ULONG WinFuncPtr;	/*                    dd      ?       ; real mode pointer to window function */
-	USHORT BytesPerScanLine;	/*                    dw      ?       ; bytes per scan line */
-
-/* ; Mandatory information for VBE 1.2 and above */
-	USHORT XResolution;	/*                         dw      ?       ; horizontal resolution in pixels or characters */
-	USHORT YResolution;	/*                   dw      ?       ; vertical resolution in pixels or characters */
-	UCHAR XCharSize;	/*                   db      ?       ; character cell width in pixels */
-	UCHAR YCharSize;	/*                   db      ?       ; character cell height in pixels */
-	UCHAR NumberOfPlanes;	/*                   db      ?       ; number of memory planes */
-	UCHAR BitsPerPixel;	/*                   db      ?       ; bits per pixel */
-	UCHAR NumberOfBanks;	/*                   db      ?       ; number of banks */
-	UCHAR MemoryModel;	/*                   db      ?       ; memory model type */
-	UCHAR BankSize;		/*                   db      ?       ; bank size in KB */
-	UCHAR NumberOfImagePages;	/*            db    ?       ; number of images */
-	UCHAR ReservedForPageFunction;	/* db  1       ; reserved for page function */
-
-/* ; Direct Color fields(required for direct/6 and YUV/7 memory models) */
-	UCHAR RedMaskSize;	/*           db      ?       ; size of direct color red mask in bits */
-	UCHAR RedFieldPosition;	/*           db      ?       ; bit position of lsb of red mask */
-	UCHAR GreenMaskSize;	/*           db      ?       ; size of direct color green mask in bits */
-	UCHAR GreenFieldPosition;	/*           db      ?       ; bit position of lsb of green mask */
-	UCHAR BlueMaskSize;	/*           db      ?       ; size of direct color blue mask in bits */
-	UCHAR BlueFieldPosition;	/*           db      ?       ; bit position of lsb of blue mask */
-	UCHAR RsvdMaskSize;	/*           db      ?       ; size of direct color reserved mask in bits */
-	UCHAR RsvdFieldPosition;	/*           db      ?       ; bit position of lsb of reserved mask */
-	UCHAR DirectColorModeInfo;	/*           db      ?       ; direct color mode attributes */
-
-/* ; Mandatory information for VBE 2.0 and above */
-	ULONG PhysBasePtr;	/*           dd      ?       ; physical address for flat memory frame buffer */
-	ULONG Reserved_1;	/*           dd      0       ; reserved - always set to 0 */
-	USHORT Reserved_2;	/*     dw    0       ; reserved - always set to 0 */
-
-/* ; Mandatory information for VBE 3.0 and above */
-	USHORT LinBytesPerScanLine;	/*         dw      ?       ; bytes per scan line for linear modes */
-	UCHAR BnkNumberOfImagePages;	/*         db      ?       ; number of images for banked modes */
-	UCHAR LinNumberOfImagPages;	/*         db      ?       ; number of images for linear modes */
-	UCHAR LinRedMaskSize;	/*         db      ?       ; size of direct color red mask(linear modes) */
-	UCHAR LinRedFieldPosition;	/*         db      ?       ; bit position of lsb of red mask(linear modes) */
-	UCHAR LinGreenMaskSize;	/*         db      ?       ; size of direct color green mask(linear modes) */
-	UCHAR LinGreenFieldPosition;	/*         db      ?       ; bit position of lsb of green mask(linear modes) */
-	UCHAR LinBlueMaskSize;	/*         db      ?       ; size of direct color blue mask(linear modes) */
-	UCHAR LinBlueFieldPosition;	/*         db      ?       ; bit position of lsb of blue mask(linear modes) */
-	UCHAR LinRsvdMaskSize;	/*         db      ?       ; size of direct color reserved mask(linear modes) */
-	UCHAR LinRsvdFieldPosition;	/*         db      ?       ; bit position of lsb of reserved mask(linear modes) */
-	ULONG MaxPixelClock;	/*         dd      ?       ; maximum pixel clock(in Hz) for graphics mode */
-	UCHAR Reserved;		/*         db      190 dup (0) */
+typedef struct _VESA_MODE_INFO_BLOCK
+{
+// Mandatory information for all VBE revisions
+  USHORT    ModeAttributes;  //			dw	?	; mode attributes
+	UCHAR     WinAAttributes;  //			db	?	; window A attributes
+	UCHAR     WinBAttributes;  //			db	?	; window B attributes
+	USHORT    WinGranularity;  //			dw	?	; window granularity
+	USHORT    WinSize;         //			dw	?	; window size
+	USHORT    WinASegment;     //			dw	?	; window A start segment
+	USHORT    WinBSegment;     //			dw	?	; window B start segment
+	ULONG     WinFuncPtr;      //			dd	?	; real mode pointer to window function
+	USHORT    BytesPerScanLine;//			dw	?	; bytes per scan line
+
+//; Mandatory information for VBE 1.2 and above
+  USHORT    XResolution;      //			dw	?	; horizontal resolution in pixels or characters
+	USHORT    YResolution;      //			dw	?	; vertical resolution in pixels or characters
+	UCHAR     XCharSize;        //			db	?	; character cell width in pixels
+	UCHAR     YCharSize;        //			db	?	; character cell height in pixels
+	UCHAR     NumberOfPlanes;   //			db	?	; number of memory planes
+	UCHAR     BitsPerPixel;     //			db	?	; bits per pixel
+	UCHAR     NumberOfBanks;    //			db	?	; number of banks
+	UCHAR     MemoryModel;      //			db	?	; memory model type
+	UCHAR     BankSize;         //			db	?	; bank size in KB
+	UCHAR     NumberOfImagePages;//		  db	?	; number of images
+	UCHAR     ReservedForPageFunction;//db	1	; reserved for page function
+
+//; Direct Color fields(required for direct/6 and YUV/7 memory models)
+	UCHAR			RedMaskSize;        //		db	?	; size of direct color red mask in bits
+	UCHAR			RedFieldPosition;   //		db	?	; bit position of lsb of red mask
+	UCHAR			GreenMaskSize;      //		db	?	; size of direct color green mask in bits
+	UCHAR			GreenFieldPosition; //		db	?	; bit position of lsb of green mask
+	UCHAR			BlueMaskSize;       //		db	?	; size of direct color blue mask in bits
+	UCHAR			BlueFieldPosition;  //		db	?	; bit position of lsb of blue mask
+	UCHAR			RsvdMaskSize;       //		db	?	; size of direct color reserved mask in bits
+	UCHAR			RsvdFieldPosition;  //		db	?	; bit position of lsb of reserved mask
+	UCHAR			DirectColorModeInfo;//		db	?	; direct color mode attributes
+
+//; Mandatory information for VBE 2.0 and above
+	ULONG			PhysBasePtr;        //		dd	?	; physical address for flat memory frame buffer
+	ULONG			Reserved_1;         //		dd	0	; reserved - always set to 0
+	USHORT		Reserved_2;         //	  dw	0	; reserved - always set to 0
+
+//; Mandatory information for VBE 3.0 and above
+	USHORT		LinBytesPerScanLine;  //	dw	?	; bytes per scan line for linear modes
+	UCHAR			BnkNumberOfImagePages;//	db	?	; number of images for banked modes
+	UCHAR			LinNumberOfImagPages; //	db	?	; number of images for linear modes
+	UCHAR			LinRedMaskSize;       //	db	?	; size of direct color red mask(linear modes)
+	UCHAR			LinRedFieldPosition;  //	db	?	; bit position of lsb of red mask(linear modes)
+	UCHAR			LinGreenMaskSize;     //	db	?	; size of direct color green mask(linear modes)
+	UCHAR			LinGreenFieldPosition;//	db	?	; bit position of lsb of green mask(linear modes)
+	UCHAR			LinBlueMaskSize;      //	db	?	; size of direct color blue mask(linear modes)
+	UCHAR			LinBlueFieldPosition; //	db	?	; bit position of lsb of blue mask(linear modes)
+	UCHAR			LinRsvdMaskSize;      //	db	?	; size of direct color reserved mask(linear modes)
+	UCHAR			LinRsvdFieldPosition; //	db	?	; bit position of lsb of reserved mask(linear modes)
+	ULONG			MaxPixelClock;        //	dd	?	; maximum pixel clock(in Hz) for graphics mode
+	UCHAR			Reserved;             //	db	190 dup (0)
 } VESA_MODE_INFO_BLOCK;
 
-/*  BIOS function CALLS */
-#define ATOM_BIOS_EXTENDED_FUNCTION_CODE        0xA0	/*  ATI Extended Function code */
+// BIOS function CALLS
+#define ATOM_BIOS_EXTENDED_FUNCTION_CODE        0xA0	        // ATI Extended Function code
 #define ATOM_BIOS_FUNCTION_COP_MODE             0x00
 #define ATOM_BIOS_FUNCTION_SHORT_QUERY1         0x04
 #define ATOM_BIOS_FUNCTION_SHORT_QUERY2         0x05
 #define ATOM_BIOS_FUNCTION_SHORT_QUERY3         0x06
-#define ATOM_BIOS_FUNCTION_GET_DDC              0x0B
+#define ATOM_BIOS_FUNCTION_GET_DDC              0x0B   
 #define ATOM_BIOS_FUNCTION_ASIC_DSTATE          0x0E
 #define ATOM_BIOS_FUNCTION_DEBUG_PLAY           0x0F
 #define ATOM_BIOS_FUNCTION_STV_STD              0x16
@@ -4217,100 +5137,135 @@ typedef struct _VESA_MODE_INFO_BLOCK {
 #define ATOM_BIOS_FUNCTION_PANEL_CONTROL        0x82
 #define ATOM_BIOS_FUNCTION_OLD_DEVICE_DET       0x83
 #define ATOM_BIOS_FUNCTION_OLD_DEVICE_SWITCH    0x84
-#define ATOM_BIOS_FUNCTION_HW_ICON              0x8A
+#define ATOM_BIOS_FUNCTION_HW_ICON              0x8A 
 #define ATOM_BIOS_FUNCTION_SET_CMOS             0x8B
-#define SUB_FUNCTION_UPDATE_DISPLAY_INFO        0x8000	/*  Sub function 80 */
-#define SUB_FUNCTION_UPDATE_EXPANSION_INFO      0x8100	/*  Sub function 80 */
+#define SUB_FUNCTION_UPDATE_DISPLAY_INFO        0x8000          // Sub function 80
+#define SUB_FUNCTION_UPDATE_EXPANSION_INFO      0x8100          // Sub function 80
 
 #define ATOM_BIOS_FUNCTION_DISPLAY_INFO         0x8D
 #define ATOM_BIOS_FUNCTION_DEVICE_ON_OFF        0x8E
-#define ATOM_BIOS_FUNCTION_VIDEO_STATE          0x8F
-#define ATOM_SUB_FUNCTION_GET_CRITICAL_STATE    0x0300	/*  Sub function 03 */
-#define ATOM_SUB_FUNCTION_GET_LIDSTATE          0x0700	/*  Sub function 7 */
-#define ATOM_SUB_FUNCTION_THERMAL_STATE_NOTICE  0x1400	/*  Notify caller the current thermal state */
-#define ATOM_SUB_FUNCTION_CRITICAL_STATE_NOTICE 0x8300	/*  Notify caller the current critical state */
-#define ATOM_SUB_FUNCTION_SET_LIDSTATE          0x8500	/*  Sub function 85 */
-#define ATOM_SUB_FUNCTION_GET_REQ_DISPLAY_FROM_SBIOS_MODE 0x8900	/*  Sub function 89 */
-#define ATOM_SUB_FUNCTION_INFORM_ADC_SUPPORT    0x9400	/*  Notify caller that ADC is supported */
-
-#define ATOM_BIOS_FUNCTION_VESA_DPMS            0x4F10	/*  Set DPMS */
-#define ATOM_SUB_FUNCTION_SET_DPMS              0x0001	/*  BL: Sub function 01 */
-#define ATOM_SUB_FUNCTION_GET_DPMS              0x0002	/*  BL: Sub function 02 */
-#define ATOM_PARAMETER_VESA_DPMS_ON             0x0000	/*  BH Parameter for DPMS ON. */
-#define ATOM_PARAMETER_VESA_DPMS_STANDBY        0x0100	/*  BH Parameter for DPMS STANDBY */
-#define ATOM_PARAMETER_VESA_DPMS_SUSPEND        0x0200	/*  BH Parameter for DPMS SUSPEND */
-#define ATOM_PARAMETER_VESA_DPMS_OFF            0x0400	/*  BH Parameter for DPMS OFF */
-#define ATOM_PARAMETER_VESA_DPMS_REDUCE_ON      0x0800	/*  BH Parameter for DPMS REDUCE ON (NOT SUPPORTED) */
+#define ATOM_BIOS_FUNCTION_VIDEO_STATE          0x8F 
+#define ATOM_SUB_FUNCTION_GET_CRITICAL_STATE    0x0300          // Sub function 03  
+#define ATOM_SUB_FUNCTION_GET_LIDSTATE          0x0700          // Sub function 7
+#define ATOM_SUB_FUNCTION_THERMAL_STATE_NOTICE  0x1400          // Notify caller the current thermal state
+#define ATOM_SUB_FUNCTION_CRITICAL_STATE_NOTICE 0x8300          // Notify caller the current critical state
+#define ATOM_SUB_FUNCTION_SET_LIDSTATE          0x8500          // Sub function 85
+#define ATOM_SUB_FUNCTION_GET_REQ_DISPLAY_FROM_SBIOS_MODE 0x8900// Sub function 89
+#define ATOM_SUB_FUNCTION_INFORM_ADC_SUPPORT    0x9400          // Notify caller that ADC is supported
+     
+
+#define ATOM_BIOS_FUNCTION_VESA_DPMS            0x4F10          // Set DPMS 
+#define ATOM_SUB_FUNCTION_SET_DPMS              0x0001          // BL: Sub function 01 
+#define ATOM_SUB_FUNCTION_GET_DPMS              0x0002          // BL: Sub function 02 
+#define ATOM_PARAMETER_VESA_DPMS_ON             0x0000          // BH Parameter for DPMS ON.  
+#define ATOM_PARAMETER_VESA_DPMS_STANDBY        0x0100          // BH Parameter for DPMS STANDBY  
+#define ATOM_PARAMETER_VESA_DPMS_SUSPEND        0x0200          // BH Parameter for DPMS SUSPEND
+#define ATOM_PARAMETER_VESA_DPMS_OFF            0x0400          // BH Parameter for DPMS OFF
+#define ATOM_PARAMETER_VESA_DPMS_REDUCE_ON      0x0800          // BH Parameter for DPMS REDUCE ON (NOT SUPPORTED)
 
 #define ATOM_BIOS_RETURN_CODE_MASK              0x0000FF00L
 #define ATOM_BIOS_REG_HIGH_MASK                 0x0000FF00L
 #define ATOM_BIOS_REG_LOW_MASK                  0x000000FFL
 
-/*  structure used for VBIOS only */
+// structure used for VBIOS only
 
-/* DispOutInfoTable */
-typedef struct _ASIC_TRANSMITTER_INFO {
+//DispOutInfoTable
+typedef struct _ASIC_TRANSMITTER_INFO
+{
 	USHORT usTransmitterObjId;
 	USHORT usSupportDevice;
-	UCHAR ucTransmitterCmdTblId;
-	UCHAR ucConfig;
-	UCHAR ucEncoderID;	/* available 1st encoder ( default ) */
-	UCHAR ucOptionEncoderID;	/* available 2nd encoder ( optional ) */
-	UCHAR uc2ndEncoderID;
-	UCHAR ucReserved;
-} ASIC_TRANSMITTER_INFO;
-
-typedef struct _ASIC_ENCODER_INFO {
+  UCHAR  ucTransmitterCmdTblId;
+	UCHAR  ucConfig;
+	UCHAR  ucEncoderID;					 //available 1st encoder ( default )
+	UCHAR  ucOptionEncoderID;    //available 2nd encoder ( optional )
+	UCHAR  uc2ndEncoderID;
+	UCHAR  ucReserved;
+}ASIC_TRANSMITTER_INFO;
+
+typedef struct _ASIC_ENCODER_INFO
+{
 	UCHAR ucEncoderID;
 	UCHAR ucEncoderConfig;
-	USHORT usEncoderCmdTblId;
-} ASIC_ENCODER_INFO;
+  USHORT usEncoderCmdTblId;
+}ASIC_ENCODER_INFO;
+
+typedef struct _ATOM_DISP_OUT_INFO
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+	USHORT ptrTransmitterInfo;
+	USHORT ptrEncoderInfo;
+	ASIC_TRANSMITTER_INFO  asTransmitterInfo[1];
+	ASIC_ENCODER_INFO      asEncoderInfo[1];
+}ATOM_DISP_OUT_INFO;
 
-typedef struct _ATOM_DISP_OUT_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
+typedef struct _ATOM_DISP_OUT_INFO_V2
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
 	USHORT ptrTransmitterInfo;
 	USHORT ptrEncoderInfo;
-	ASIC_TRANSMITTER_INFO asTransmitterInfo[1];
-	ASIC_ENCODER_INFO asEncoderInfo[1];
-} ATOM_DISP_OUT_INFO;
+  USHORT ptrMainCallParserFar;                  // direct address of main parser call in VBIOS binary. 
+	ASIC_TRANSMITTER_INFO  asTransmitterInfo[1];
+	ASIC_ENCODER_INFO      asEncoderInfo[1];
+}ATOM_DISP_OUT_INFO_V2;
 
-/*  DispDevicePriorityInfo */
-typedef struct _ATOM_DISPLAY_DEVICE_PRIORITY_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
+// DispDevicePriorityInfo
+typedef struct _ATOM_DISPLAY_DEVICE_PRIORITY_INFO
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
 	USHORT asDevicePriority[16];
-} ATOM_DISPLAY_DEVICE_PRIORITY_INFO;
-
-/* ProcessAuxChannelTransactionTable */
-typedef struct _PROCESS_AUX_CHANNEL_TRANSACTION_PARAMETERS {
-	USHORT lpAuxRequest;
-	USHORT lpDataOut;
-	UCHAR ucChannelID;
-	union {
-		UCHAR ucReplyStatus;
-		UCHAR ucDelay;
+}ATOM_DISPLAY_DEVICE_PRIORITY_INFO;
+
+//ProcessAuxChannelTransactionTable
+typedef struct _PROCESS_AUX_CHANNEL_TRANSACTION_PARAMETERS
+{
+	USHORT	lpAuxRequest;
+	USHORT  lpDataOut;
+	UCHAR		ucChannelID;
+	union
+	{
+  UCHAR   ucReplyStatus;
+	UCHAR   ucDelay;
+	};
+  UCHAR   ucDataOutLen;
+	UCHAR   ucReserved;
+}PROCESS_AUX_CHANNEL_TRANSACTION_PARAMETERS;
+
+//ProcessAuxChannelTransactionTable
+typedef struct _PROCESS_AUX_CHANNEL_TRANSACTION_PARAMETERS_V2
+{
+	USHORT	lpAuxRequest;
+	USHORT  lpDataOut;
+	UCHAR		ucChannelID;
+	union
+	{
+  UCHAR   ucReplyStatus;
+	UCHAR   ucDelay;
 	};
-	UCHAR ucDataOutLen;
-	UCHAR ucReserved;
-} PROCESS_AUX_CHANNEL_TRANSACTION_PARAMETERS;
+  UCHAR   ucDataOutLen;
+	UCHAR   ucHPD_ID;                                       //=0: HPD1, =1: HPD2, =2: HPD3, =3: HPD4, =4: HPD5, =5: HPD6
+}PROCESS_AUX_CHANNEL_TRANSACTION_PARAMETERS_V2;
 
 #define PROCESS_AUX_CHANNEL_TRANSACTION_PS_ALLOCATION			PROCESS_AUX_CHANNEL_TRANSACTION_PARAMETERS
 
-/* GetSinkType */
+//GetSinkType
 
-typedef struct _DP_ENCODER_SERVICE_PARAMETERS {
+typedef struct _DP_ENCODER_SERVICE_PARAMETERS
+{
 	USHORT ucLinkClock;
-	union {
-		UCHAR ucConfig;	/*  for DP training command */
-		UCHAR ucI2cId;	/*  use for GET_SINK_TYPE command */
+	union 
+	{
+	UCHAR ucConfig;				// for DP training command
+	UCHAR ucI2cId;				// use for GET_SINK_TYPE command
 	};
 	UCHAR ucAction;
 	UCHAR ucStatus;
 	UCHAR ucLaneNum;
 	UCHAR ucReserved[2];
-} DP_ENCODER_SERVICE_PARAMETERS;
+}DP_ENCODER_SERVICE_PARAMETERS;
 
-/*  ucAction */
+// ucAction
 #define ATOM_DP_ACTION_GET_SINK_TYPE							0x01
+/* obselete */
 #define ATOM_DP_ACTION_TRAINING_START							0x02
 #define ATOM_DP_ACTION_TRAINING_COMPLETE					0x03
 #define ATOM_DP_ACTION_TRAINING_PATTERN_SEL				0x04
@@ -4318,7 +5273,7 @@ typedef struct _DP_ENCODER_SERVICE_PARAMETERS {
 #define ATOM_DP_ACTION_GET_VSWING_PREEMP					0x06
 #define ATOM_DP_ACTION_BLANKING                   0x07
 
-/*  ucConfig */
+// ucConfig
 #define ATOM_DP_CONFIG_ENCODER_SEL_MASK						0x03
 #define ATOM_DP_CONFIG_DIG1_ENCODER								0x00
 #define ATOM_DP_CONFIG_DIG2_ENCODER								0x01
@@ -4326,14 +5281,14 @@ typedef struct _DP_ENCODER_SERVICE_PARAMETERS {
 #define ATOM_DP_CONFIG_LINK_SEL_MASK							0x04
 #define ATOM_DP_CONFIG_LINK_A											0x00
 #define ATOM_DP_CONFIG_LINK_B											0x04
-
+/* /obselete */
 #define DP_ENCODER_SERVICE_PS_ALLOCATION				WRITE_ONE_BYTE_HW_I2C_DATA_PARAMETERS
 
-/*  DP_TRAINING_TABLE */
-#define DPCD_SET_LINKRATE_LANENUM_PATTERN1_TBL_ADDR				ATOM_DP_TRAINING_TBL_ADDR
+// DP_TRAINING_TABLE
+#define DPCD_SET_LINKRATE_LANENUM_PATTERN1_TBL_ADDR				ATOM_DP_TRAINING_TBL_ADDR		
 #define DPCD_SET_SS_CNTL_TBL_ADDR													(ATOM_DP_TRAINING_TBL_ADDR + 8 )
-#define DPCD_SET_LANE_VSWING_PREEMP_TBL_ADDR							(ATOM_DP_TRAINING_TBL_ADDR + 16)
-#define DPCD_SET_TRAINING_PATTERN0_TBL_ADDR								(ATOM_DP_TRAINING_TBL_ADDR + 24)
+#define DPCD_SET_LANE_VSWING_PREEMP_TBL_ADDR							(ATOM_DP_TRAINING_TBL_ADDR + 16 )
+#define DPCD_SET_TRAINING_PATTERN0_TBL_ADDR								(ATOM_DP_TRAINING_TBL_ADDR + 24 )
 #define DPCD_SET_TRAINING_PATTERN2_TBL_ADDR								(ATOM_DP_TRAINING_TBL_ADDR + 32)
 #define DPCD_GET_LINKRATE_LANENUM_SS_TBL_ADDR							(ATOM_DP_TRAINING_TBL_ADDR + 40)
 #define	DPCD_GET_LANE_STATUS_ADJUST_TBL_ADDR							(ATOM_DP_TRAINING_TBL_ADDR + 48)
@@ -4341,183 +5296,241 @@ typedef struct _DP_ENCODER_SERVICE_PARAMETERS {
 #define DP_I2C_AUX_DDC_WRITE_TBL_ADDR											(ATOM_DP_TRAINING_TBL_ADDR + 64)
 #define DP_I2C_AUX_DDC_READ_START_TBL_ADDR								(ATOM_DP_TRAINING_TBL_ADDR + 72)
 #define DP_I2C_AUX_DDC_READ_TBL_ADDR											(ATOM_DP_TRAINING_TBL_ADDR + 76)
-#define DP_I2C_AUX_DDC_READ_END_TBL_ADDR									(ATOM_DP_TRAINING_TBL_ADDR + 80)
+#define DP_I2C_AUX_DDC_WRITE_END_TBL_ADDR                 (ATOM_DP_TRAINING_TBL_ADDR + 80) 
+#define DP_I2C_AUX_DDC_READ_END_TBL_ADDR									(ATOM_DP_TRAINING_TBL_ADDR + 84)
 
-typedef struct _PROCESS_I2C_CHANNEL_TRANSACTION_PARAMETERS {
-	UCHAR ucI2CSpeed;
-	union {
-		UCHAR ucRegIndex;
-		UCHAR ucStatus;
+typedef struct _PROCESS_I2C_CHANNEL_TRANSACTION_PARAMETERS
+{
+	UCHAR   ucI2CSpeed;
+ 	union
+	{
+   UCHAR ucRegIndex;
+   UCHAR ucStatus;
 	};
-	USHORT lpI2CDataOut;
-	UCHAR ucFlag;
-	UCHAR ucTransBytes;
-	UCHAR ucSlaveAddr;
-	UCHAR ucLineNumber;
-} PROCESS_I2C_CHANNEL_TRANSACTION_PARAMETERS;
+	USHORT  lpI2CDataOut;
+  UCHAR   ucFlag;               
+  UCHAR   ucTransBytes;
+  UCHAR   ucSlaveAddr;
+  UCHAR   ucLineNumber;
+}PROCESS_I2C_CHANNEL_TRANSACTION_PARAMETERS;
 
 #define PROCESS_I2C_CHANNEL_TRANSACTION_PS_ALLOCATION       PROCESS_I2C_CHANNEL_TRANSACTION_PARAMETERS
 
-/* ucFlag */
+//ucFlag
 #define HW_I2C_WRITE        1
 #define HW_I2C_READ         0
+#define I2C_2BYTE_ADDR      0x02
 
+typedef struct _SET_HWBLOCK_INSTANCE_PARAMETER_V2
+{
+   UCHAR ucHWBlkInst;                // HW block instance, 0, 1, 2, ...
+   UCHAR ucReserved[3]; 
+}SET_HWBLOCK_INSTANCE_PARAMETER_V2;
+
+#define HWBLKINST_INSTANCE_MASK       0x07
+#define HWBLKINST_HWBLK_MASK          0xF0
+#define HWBLKINST_HWBLK_SHIFT         0x04
+
+//ucHWBlock
+#define SELECT_DISP_ENGINE            0
+#define SELECT_DISP_PLL               1
+#define SELECT_DCIO_UNIPHY_LINK0      2
+#define SELECT_DCIO_UNIPHY_LINK1      3
+#define SELECT_DCIO_IMPCAL            4
+#define SELECT_DCIO_DIG               6
+#define SELECT_CRTC_PIXEL_RATE        7
+
+/****************************************************************************/	
+//Portion VI: Definitinos for vbios MC scratch registers that driver used
 /****************************************************************************/
-/* Portion VI: Definitinos being oboselete */
+
+#define MC_MISC0__MEMORY_TYPE_MASK    0xF0000000
+#define MC_MISC0__MEMORY_TYPE__GDDR1  0x10000000
+#define MC_MISC0__MEMORY_TYPE__DDR2   0x20000000
+#define MC_MISC0__MEMORY_TYPE__GDDR3  0x30000000
+#define MC_MISC0__MEMORY_TYPE__GDDR4  0x40000000
+#define MC_MISC0__MEMORY_TYPE__GDDR5  0x50000000
+#define MC_MISC0__MEMORY_TYPE__DDR3   0xB0000000
+
+/****************************************************************************/	
+//Portion VI: Definitinos being oboselete
 /****************************************************************************/
 
-/* ========================================================================================== */
-/* Remove the definitions below when driver is ready! */
-typedef struct _ATOM_DAC_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	USHORT usMaxFrequency;	/*  in 10kHz unit */
-	USHORT usReserved;
-} ATOM_DAC_INFO;
-
-typedef struct _COMPASSIONATE_DATA {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-
-	/* ==============================  DAC1 portion */
-	UCHAR ucDAC1_BG_Adjustment;
-	UCHAR ucDAC1_DAC_Adjustment;
-	USHORT usDAC1_FORCE_Data;
-	/* ==============================  DAC2 portion */
-	UCHAR ucDAC2_CRT2_BG_Adjustment;
-	UCHAR ucDAC2_CRT2_DAC_Adjustment;
-	USHORT usDAC2_CRT2_FORCE_Data;
-	USHORT usDAC2_CRT2_MUX_RegisterIndex;
-	UCHAR ucDAC2_CRT2_MUX_RegisterInfo;	/* Bit[4:0]=Bit position,Bit[7]=1:Active High;=0 Active Low */
-	UCHAR ucDAC2_NTSC_BG_Adjustment;
-	UCHAR ucDAC2_NTSC_DAC_Adjustment;
-	USHORT usDAC2_TV1_FORCE_Data;
-	USHORT usDAC2_TV1_MUX_RegisterIndex;
-	UCHAR ucDAC2_TV1_MUX_RegisterInfo;	/* Bit[4:0]=Bit position,Bit[7]=1:Active High;=0 Active Low */
-	UCHAR ucDAC2_CV_BG_Adjustment;
-	UCHAR ucDAC2_CV_DAC_Adjustment;
-	USHORT usDAC2_CV_FORCE_Data;
-	USHORT usDAC2_CV_MUX_RegisterIndex;
-	UCHAR ucDAC2_CV_MUX_RegisterInfo;	/* Bit[4:0]=Bit position,Bit[7]=1:Active High;=0 Active Low */
-	UCHAR ucDAC2_PAL_BG_Adjustment;
-	UCHAR ucDAC2_PAL_DAC_Adjustment;
-	USHORT usDAC2_TV2_FORCE_Data;
-} COMPASSIONATE_DATA;
+//==========================================================================================
+//Remove the definitions below when driver is ready!
+typedef struct _ATOM_DAC_INFO
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+  USHORT                   usMaxFrequency;      // in 10kHz unit
+  USHORT                   usReserved;
+}ATOM_DAC_INFO;
+
+
+typedef struct  _COMPASSIONATE_DATA           
+{
+  ATOM_COMMON_TABLE_HEADER sHeader; 
+
+  //==============================  DAC1 portion
+  UCHAR   ucDAC1_BG_Adjustment;
+  UCHAR   ucDAC1_DAC_Adjustment;
+  USHORT  usDAC1_FORCE_Data;
+  //==============================  DAC2 portion
+  UCHAR   ucDAC2_CRT2_BG_Adjustment;
+  UCHAR   ucDAC2_CRT2_DAC_Adjustment;
+  USHORT  usDAC2_CRT2_FORCE_Data;
+  USHORT  usDAC2_CRT2_MUX_RegisterIndex;
+  UCHAR   ucDAC2_CRT2_MUX_RegisterInfo;     //Bit[4:0]=Bit position,Bit[7]=1:Active High;=0 Active Low
+  UCHAR   ucDAC2_NTSC_BG_Adjustment;
+  UCHAR   ucDAC2_NTSC_DAC_Adjustment;
+  USHORT  usDAC2_TV1_FORCE_Data;
+  USHORT  usDAC2_TV1_MUX_RegisterIndex;
+  UCHAR   ucDAC2_TV1_MUX_RegisterInfo;      //Bit[4:0]=Bit position,Bit[7]=1:Active High;=0 Active Low
+  UCHAR   ucDAC2_CV_BG_Adjustment;
+  UCHAR   ucDAC2_CV_DAC_Adjustment;
+  USHORT  usDAC2_CV_FORCE_Data;
+  USHORT  usDAC2_CV_MUX_RegisterIndex;
+  UCHAR   ucDAC2_CV_MUX_RegisterInfo;       //Bit[4:0]=Bit position,Bit[7]=1:Active High;=0 Active Low
+  UCHAR   ucDAC2_PAL_BG_Adjustment;
+  UCHAR   ucDAC2_PAL_DAC_Adjustment;
+  USHORT  usDAC2_TV2_FORCE_Data;
+}COMPASSIONATE_DATA;
 
 /****************************Supported Device Info Table Definitions**********************/
-/*   ucConnectInfo: */
-/*     [7:4] - connector type */
-/*       = 1   - VGA connector */
-/*       = 2   - DVI-I */
-/*       = 3   - DVI-D */
-/*       = 4   - DVI-A */
-/*       = 5   - SVIDEO */
-/*       = 6   - COMPOSITE */
-/*       = 7   - LVDS */
-/*       = 8   - DIGITAL LINK */
-/*       = 9   - SCART */
-/*       = 0xA - HDMI_type A */
-/*       = 0xB - HDMI_type B */
-/*       = 0xE - Special case1 (DVI+DIN) */
-/*       Others=TBD */
-/*     [3:0] - DAC Associated */
-/*       = 0   - no DAC */
-/*       = 1   - DACA */
-/*       = 2   - DACB */
-/*       = 3   - External DAC */
-/*       Others=TBD */
-/*  */
-
-typedef struct _ATOM_CONNECTOR_INFO {
+//  ucConnectInfo:
+//    [7:4] - connector type
+//      = 1   - VGA connector   
+//      = 2   - DVI-I
+//      = 3   - DVI-D
+//      = 4   - DVI-A
+//      = 5   - SVIDEO
+//      = 6   - COMPOSITE
+//      = 7   - LVDS
+//      = 8   - DIGITAL LINK
+//      = 9   - SCART
+//      = 0xA - HDMI_type A
+//      = 0xB - HDMI_type B
+//      = 0xE - Special case1 (DVI+DIN)
+//      Others=TBD
+//    [3:0] - DAC Associated
+//      = 0   - no DAC
+//      = 1   - DACA
+//      = 2   - DACB
+//      = 3   - External DAC
+//      Others=TBD
+//    
+
+typedef struct _ATOM_CONNECTOR_INFO
+{
 #if ATOM_BIG_ENDIAN
-	UCHAR bfConnectorType:4;
-	UCHAR bfAssociatedDAC:4;
+  UCHAR   bfConnectorType:4;
+  UCHAR   bfAssociatedDAC:4;
 #else
-	UCHAR bfAssociatedDAC:4;
-	UCHAR bfConnectorType:4;
+  UCHAR   bfAssociatedDAC:4;
+  UCHAR   bfConnectorType:4;
 #endif
-} ATOM_CONNECTOR_INFO;
+}ATOM_CONNECTOR_INFO;
+
+typedef union _ATOM_CONNECTOR_INFO_ACCESS
+{
+  ATOM_CONNECTOR_INFO sbfAccess;
+  UCHAR               ucAccess;
+}ATOM_CONNECTOR_INFO_ACCESS;
 
-typedef union _ATOM_CONNECTOR_INFO_ACCESS {
-	ATOM_CONNECTOR_INFO sbfAccess;
-	UCHAR ucAccess;
-} ATOM_CONNECTOR_INFO_ACCESS;
+typedef struct _ATOM_CONNECTOR_INFO_I2C
+{
+  ATOM_CONNECTOR_INFO_ACCESS sucConnectorInfo;
+  ATOM_I2C_ID_CONFIG_ACCESS  sucI2cId;
+}ATOM_CONNECTOR_INFO_I2C;
 
-typedef struct _ATOM_CONNECTOR_INFO_I2C {
-	ATOM_CONNECTOR_INFO_ACCESS sucConnectorInfo;
-	ATOM_I2C_ID_CONFIG_ACCESS sucI2cId;
-} ATOM_CONNECTOR_INFO_I2C;
 
-typedef struct _ATOM_SUPPORTED_DEVICES_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	USHORT usDeviceSupport;
-	ATOM_CONNECTOR_INFO_I2C asConnInfo[ATOM_MAX_SUPPORTED_DEVICE_INFO];
-} ATOM_SUPPORTED_DEVICES_INFO;
+typedef struct _ATOM_SUPPORTED_DEVICES_INFO
+{ 
+  ATOM_COMMON_TABLE_HEADER	sHeader;
+  USHORT                    usDeviceSupport;
+  ATOM_CONNECTOR_INFO_I2C   asConnInfo[ATOM_MAX_SUPPORTED_DEVICE_INFO];
+}ATOM_SUPPORTED_DEVICES_INFO;
 
 #define NO_INT_SRC_MAPPED       0xFF
 
-typedef struct _ATOM_CONNECTOR_INC_SRC_BITMAP {
-	UCHAR ucIntSrcBitmap;
-} ATOM_CONNECTOR_INC_SRC_BITMAP;
-
-typedef struct _ATOM_SUPPORTED_DEVICES_INFO_2 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	USHORT usDeviceSupport;
-	ATOM_CONNECTOR_INFO_I2C asConnInfo[ATOM_MAX_SUPPORTED_DEVICE_INFO_2];
-	ATOM_CONNECTOR_INC_SRC_BITMAP
-	    asIntSrcInfo[ATOM_MAX_SUPPORTED_DEVICE_INFO_2];
-} ATOM_SUPPORTED_DEVICES_INFO_2;
-
-typedef struct _ATOM_SUPPORTED_DEVICES_INFO_2d1 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	USHORT usDeviceSupport;
-	ATOM_CONNECTOR_INFO_I2C asConnInfo[ATOM_MAX_SUPPORTED_DEVICE];
-	ATOM_CONNECTOR_INC_SRC_BITMAP asIntSrcInfo[ATOM_MAX_SUPPORTED_DEVICE];
-} ATOM_SUPPORTED_DEVICES_INFO_2d1;
+typedef struct _ATOM_CONNECTOR_INC_SRC_BITMAP
+{
+  UCHAR   ucIntSrcBitmap;
+}ATOM_CONNECTOR_INC_SRC_BITMAP;
+
+typedef struct _ATOM_SUPPORTED_DEVICES_INFO_2
+{ 
+  ATOM_COMMON_TABLE_HEADER      sHeader;
+  USHORT                        usDeviceSupport;
+  ATOM_CONNECTOR_INFO_I2C       asConnInfo[ATOM_MAX_SUPPORTED_DEVICE_INFO_2];
+  ATOM_CONNECTOR_INC_SRC_BITMAP asIntSrcInfo[ATOM_MAX_SUPPORTED_DEVICE_INFO_2];
+}ATOM_SUPPORTED_DEVICES_INFO_2;
+
+typedef struct _ATOM_SUPPORTED_DEVICES_INFO_2d1
+{ 
+  ATOM_COMMON_TABLE_HEADER      sHeader;
+  USHORT                        usDeviceSupport;
+  ATOM_CONNECTOR_INFO_I2C       asConnInfo[ATOM_MAX_SUPPORTED_DEVICE];
+  ATOM_CONNECTOR_INC_SRC_BITMAP asIntSrcInfo[ATOM_MAX_SUPPORTED_DEVICE];
+}ATOM_SUPPORTED_DEVICES_INFO_2d1;
 
 #define ATOM_SUPPORTED_DEVICES_INFO_LAST ATOM_SUPPORTED_DEVICES_INFO_2d1
 
-typedef struct _ATOM_MISC_CONTROL_INFO {
-	USHORT usFrequency;
-	UCHAR ucPLL_ChargePump;	/*  PLL charge-pump gain control */
-	UCHAR ucPLL_DutyCycle;	/*  PLL duty cycle control */
-	UCHAR ucPLL_VCO_Gain;	/*  PLL VCO gain control */
-	UCHAR ucPLL_VoltageSwing;	/*  PLL driver voltage swing control */
-} ATOM_MISC_CONTROL_INFO;
+
+
+typedef struct _ATOM_MISC_CONTROL_INFO
+{
+   USHORT usFrequency;
+   UCHAR  ucPLL_ChargePump;				                // PLL charge-pump gain control
+   UCHAR  ucPLL_DutyCycle;				                // PLL duty cycle control
+   UCHAR  ucPLL_VCO_Gain;				                  // PLL VCO gain control
+   UCHAR  ucPLL_VoltageSwing;			                // PLL driver voltage swing control
+}ATOM_MISC_CONTROL_INFO;  
+
 
 #define ATOM_MAX_MISC_INFO       4
 
-typedef struct _ATOM_TMDS_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	USHORT usMaxFrequency;	/*  in 10Khz */
-	ATOM_MISC_CONTROL_INFO asMiscInfo[ATOM_MAX_MISC_INFO];
-} ATOM_TMDS_INFO;
+typedef struct _ATOM_TMDS_INFO
+{
+  ATOM_COMMON_TABLE_HEADER sHeader;  
+  USHORT							usMaxFrequency;             // in 10Khz
+  ATOM_MISC_CONTROL_INFO				asMiscInfo[ATOM_MAX_MISC_INFO];
+}ATOM_TMDS_INFO;
+
+
+typedef struct _ATOM_ENCODER_ANALOG_ATTRIBUTE
+{
+  UCHAR ucTVStandard;     //Same as TV standards defined above, 
+  UCHAR ucPadding[1];
+}ATOM_ENCODER_ANALOG_ATTRIBUTE;
 
-typedef struct _ATOM_ENCODER_ANALOG_ATTRIBUTE {
-	UCHAR ucTVStandard;	/* Same as TV standards defined above, */
-	UCHAR ucPadding[1];
-} ATOM_ENCODER_ANALOG_ATTRIBUTE;
+typedef struct _ATOM_ENCODER_DIGITAL_ATTRIBUTE
+{
+  UCHAR ucAttribute;      //Same as other digital encoder attributes defined above
+  UCHAR ucPadding[1];		
+}ATOM_ENCODER_DIGITAL_ATTRIBUTE;
 
-typedef struct _ATOM_ENCODER_DIGITAL_ATTRIBUTE {
-	UCHAR ucAttribute;	/* Same as other digital encoder attributes defined above */
-	UCHAR ucPadding[1];
-} ATOM_ENCODER_DIGITAL_ATTRIBUTE;
+typedef union _ATOM_ENCODER_ATTRIBUTE
+{
+  ATOM_ENCODER_ANALOG_ATTRIBUTE sAlgAttrib;
+  ATOM_ENCODER_DIGITAL_ATTRIBUTE sDigAttrib;
+}ATOM_ENCODER_ATTRIBUTE;
 
-typedef union _ATOM_ENCODER_ATTRIBUTE {
-	ATOM_ENCODER_ANALOG_ATTRIBUTE sAlgAttrib;
-	ATOM_ENCODER_DIGITAL_ATTRIBUTE sDigAttrib;
-} ATOM_ENCODER_ATTRIBUTE;
 
-typedef struct _DVO_ENCODER_CONTROL_PARAMETERS {
-	USHORT usPixelClock;
-	USHORT usEncoderID;
-	UCHAR ucDeviceType;	/* Use ATOM_DEVICE_xxx1_Index to indicate device type only. */
-	UCHAR ucAction;		/* ATOM_ENABLE/ATOM_DISABLE/ATOM_HPD_INIT */
-	ATOM_ENCODER_ATTRIBUTE usDevAttr;
-} DVO_ENCODER_CONTROL_PARAMETERS;
+typedef struct _DVO_ENCODER_CONTROL_PARAMETERS
+{
+  USHORT usPixelClock; 
+  USHORT usEncoderID; 
+  UCHAR  ucDeviceType;												//Use ATOM_DEVICE_xxx1_Index to indicate device type only.	
+  UCHAR  ucAction;														//ATOM_ENABLE/ATOM_DISABLE/ATOM_HPD_INIT
+  ATOM_ENCODER_ATTRIBUTE usDevAttr;     		
+}DVO_ENCODER_CONTROL_PARAMETERS;
+
+typedef struct _DVO_ENCODER_CONTROL_PS_ALLOCATION
+{                               
+  DVO_ENCODER_CONTROL_PARAMETERS    sDVOEncoder;
+  WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION      sReserved;     //Caller doesn't need to init this portion
+}DVO_ENCODER_CONTROL_PS_ALLOCATION;
 
-typedef struct _DVO_ENCODER_CONTROL_PS_ALLOCATION {
-	DVO_ENCODER_CONTROL_PARAMETERS sDVOEncoder;
-	WRITE_ONE_BYTE_HW_I2C_DATA_PS_ALLOCATION sReserved;	/* Caller doesn't need to init this portion */
-} DVO_ENCODER_CONTROL_PS_ALLOCATION;
 
 #define ATOM_XTMDS_ASIC_SI164_ID        1
 #define ATOM_XTMDS_ASIC_SI178_ID        2
@@ -4526,27 +5539,30 @@ typedef struct _DVO_ENCODER_CONTROL_PS_ALLOCATION {
 #define ATOM_XTMDS_SUPPORTED_DUALLINK   0x00000002
 #define ATOM_XTMDS_MVPU_FPGA            0x00000004
 
-typedef struct _ATOM_XTMDS_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	USHORT usSingleLinkMaxFrequency;
-	ATOM_I2C_ID_CONFIG_ACCESS sucI2cId;	/* Point the ID on which I2C is used to control external chip */
-	UCHAR ucXtransimitterID;
-	UCHAR ucSupportedLink;	/*  Bit field, bit0=1, single link supported;bit1=1,dual link supported */
-	UCHAR ucSequnceAlterID;	/*  Even with the same external TMDS asic, it's possible that the program seqence alters */
-	/*  due to design. This ID is used to alert driver that the sequence is not "standard"! */
-	UCHAR ucMasterAddress;	/*  Address to control Master xTMDS Chip */
-	UCHAR ucSlaveAddress;	/*  Address to control Slave xTMDS Chip */
-} ATOM_XTMDS_INFO;
-
-typedef struct _DFP_DPMS_STATUS_CHANGE_PARAMETERS {
-	UCHAR ucEnable;		/*  ATOM_ENABLE=On or ATOM_DISABLE=Off */
-	UCHAR ucDevice;		/*  ATOM_DEVICE_DFP1_INDEX.... */
-	UCHAR ucPadding[2];
-} DFP_DPMS_STATUS_CHANGE_PARAMETERS;
+                           
+typedef struct _ATOM_XTMDS_INFO
+{
+  ATOM_COMMON_TABLE_HEADER   sHeader;  
+  USHORT                     usSingleLinkMaxFrequency; 
+  ATOM_I2C_ID_CONFIG_ACCESS  sucI2cId;           //Point the ID on which I2C is used to control external chip
+  UCHAR                      ucXtransimitterID;          
+  UCHAR                      ucSupportedLink;    // Bit field, bit0=1, single link supported;bit1=1,dual link supported
+  UCHAR                      ucSequnceAlterID;   // Even with the same external TMDS asic, it's possible that the program seqence alters 
+                                                 // due to design. This ID is used to alert driver that the sequence is not "standard"!              
+  UCHAR                      ucMasterAddress;    // Address to control Master xTMDS Chip
+  UCHAR                      ucSlaveAddress;     // Address to control Slave xTMDS Chip
+}ATOM_XTMDS_INFO;
+
+typedef struct _DFP_DPMS_STATUS_CHANGE_PARAMETERS
+{  
+  UCHAR ucEnable;                     // ATOM_ENABLE=On or ATOM_DISABLE=Off
+  UCHAR ucDevice;                     // ATOM_DEVICE_DFP1_INDEX....
+  UCHAR ucPadding[2];             
+}DFP_DPMS_STATUS_CHANGE_PARAMETERS;
 
 /****************************Legacy Power Play Table Definitions **********************/
 
-/* Definitions for ulPowerPlayMiscInfo */
+//Definitions for ulPowerPlayMiscInfo
 #define ATOM_PM_MISCINFO_SPLIT_CLOCK                     0x00000000L
 #define ATOM_PM_MISCINFO_USING_MCLK_SRC                  0x00000001L
 #define ATOM_PM_MISCINFO_USING_SCLK_SRC                  0x00000002L
@@ -4558,8 +5574,8 @@ typedef struct _DFP_DPMS_STATUS_CHANGE_PARAMETERS {
 
 #define ATOM_PM_MISCINFO_ENGINE_CLOCK_CONTRL_EN          0x00000020L
 #define ATOM_PM_MISCINFO_MEMORY_CLOCK_CONTRL_EN          0x00000040L
-#define ATOM_PM_MISCINFO_PROGRAM_VOLTAGE                 0x00000080L	/* When this bit set, ucVoltageDropIndex is not an index for GPIO pin, but a voltage ID that SW needs program */
-
+#define ATOM_PM_MISCINFO_PROGRAM_VOLTAGE                 0x00000080L  //When this bit set, ucVoltageDropIndex is not an index for GPIO pin, but a voltage ID that SW needs program  
+ 
 #define ATOM_PM_MISCINFO_ASIC_REDUCED_SPEED_SCLK_EN      0x00000100L
 #define ATOM_PM_MISCINFO_ASIC_DYNAMIC_VOLTAGE_EN         0x00000200L
 #define ATOM_PM_MISCINFO_ASIC_SLEEP_MODE_EN              0x00000400L
@@ -4569,22 +5585,22 @@ typedef struct _DFP_DPMS_STATUS_CHANGE_PARAMETERS {
 #define ATOM_PM_MISCINFO_LOW_LCD_REFRESH_RATE            0x00004000L
 
 #define ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE             0x00008000L
-#define ATOM_PM_MISCINFO_OVER_CLOCK_MODE                 0x00010000L
+#define ATOM_PM_MISCINFO_OVER_CLOCK_MODE                 0x00010000L 
 #define ATOM_PM_MISCINFO_OVER_DRIVE_MODE                 0x00020000L
 #define ATOM_PM_MISCINFO_POWER_SAVING_MODE               0x00040000L
 #define ATOM_PM_MISCINFO_THERMAL_DIODE_MODE              0x00080000L
 
-#define ATOM_PM_MISCINFO_FRAME_MODULATION_MASK           0x00300000L	/* 0-FM Disable, 1-2 level FM, 2-4 level FM, 3-Reserved */
-#define ATOM_PM_MISCINFO_FRAME_MODULATION_SHIFT          20
+#define ATOM_PM_MISCINFO_FRAME_MODULATION_MASK           0x00300000L  //0-FM Disable, 1-2 level FM, 2-4 level FM, 3-Reserved
+#define ATOM_PM_MISCINFO_FRAME_MODULATION_SHIFT          20 
 
 #define ATOM_PM_MISCINFO_DYN_CLK_3D_IDLE                 0x00400000L
 #define ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_2      0x00800000L
 #define ATOM_PM_MISCINFO_DYNAMIC_CLOCK_DIVIDER_BY_4      0x01000000L
-#define ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN            0x02000000L	/* When set, Dynamic */
-#define ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN        0x04000000L	/* When set, Dynamic */
-#define ATOM_PM_MISCINFO_3D_ACCELERATION_EN              0x08000000L	/* When set, This mode is for acceleated 3D mode */
+#define ATOM_PM_MISCINFO_DYNAMIC_HDP_BLOCK_EN            0x02000000L  //When set, Dynamic 
+#define ATOM_PM_MISCINFO_DYNAMIC_MC_HOST_BLOCK_EN        0x04000000L  //When set, Dynamic
+#define ATOM_PM_MISCINFO_3D_ACCELERATION_EN              0x08000000L  //When set, This mode is for acceleated 3D mode
 
-#define ATOM_PM_MISCINFO_POWERPLAY_SETTINGS_GROUP_MASK   0x70000000L	/* 1-Optimal Battery Life Group, 2-High Battery, 3-Balanced, 4-High Performance, 5- Optimal Performance (Default state with Default clocks) */
+#define ATOM_PM_MISCINFO_POWERPLAY_SETTINGS_GROUP_MASK   0x70000000L  //1-Optimal Battery Life Group, 2-High Battery, 3-Balanced, 4-High Performance, 5- Optimal Performance (Default state with Default clocks) 
 #define ATOM_PM_MISCINFO_POWERPLAY_SETTINGS_GROUP_SHIFT  28
 #define ATOM_PM_MISCINFO_ENABLE_BACK_BIAS                0x80000000L
 
@@ -4594,55 +5610,59 @@ typedef struct _DFP_DPMS_STATUS_CHANGE_PARAMETERS {
 #define ATOM_PM_MISCINFO2_FS3D_OVERDRIVE_INFO            0x00000008L
 #define ATOM_PM_MISCINFO2_FORCEDLOWPWR_MODE              0x00000010L
 #define ATOM_PM_MISCINFO2_VDDCI_DYNAMIC_VOLTAGE_EN       0x00000020L
-#define ATOM_PM_MISCINFO2_VIDEO_PLAYBACK_CAPABLE         0x00000040L	/* If this bit is set in multi-pp mode, then driver will pack up one with the minior power consumption. */
-								      /* If it's not set in any pp mode, driver will use its default logic to pick a pp mode in video playback */
+#define ATOM_PM_MISCINFO2_VIDEO_PLAYBACK_CAPABLE         0x00000040L  //If this bit is set in multi-pp mode, then driver will pack up one with the minior power consumption. 
+                                                                      //If it's not set in any pp mode, driver will use its default logic to pick a pp mode in video playback
 #define ATOM_PM_MISCINFO2_NOT_VALID_ON_DC                0x00000080L
 #define ATOM_PM_MISCINFO2_STUTTER_MODE_EN                0x00000100L
-#define ATOM_PM_MISCINFO2_UVD_SUPPORT_MODE               0x00000200L
-
-/* ucTableFormatRevision=1 */
-/* ucTableContentRevision=1 */
-typedef struct _ATOM_POWERMODE_INFO {
-	ULONG ulMiscInfo;	/* The power level should be arranged in ascending order */
-	ULONG ulReserved1;	/*  must set to 0 */
-	ULONG ulReserved2;	/*  must set to 0 */
-	USHORT usEngineClock;
-	USHORT usMemoryClock;
-	UCHAR ucVoltageDropIndex;	/*  index to GPIO table */
-	UCHAR ucSelectedPanel_RefreshRate;	/*  panel refresh rate */
-	UCHAR ucMinTemperature;
-	UCHAR ucMaxTemperature;
-	UCHAR ucNumPciELanes;	/*  number of PCIE lanes */
-} ATOM_POWERMODE_INFO;
-
-/* ucTableFormatRevision=2 */
-/* ucTableContentRevision=1 */
-typedef struct _ATOM_POWERMODE_INFO_V2 {
-	ULONG ulMiscInfo;	/* The power level should be arranged in ascending order */
-	ULONG ulMiscInfo2;
-	ULONG ulEngineClock;
-	ULONG ulMemoryClock;
-	UCHAR ucVoltageDropIndex;	/*  index to GPIO table */
-	UCHAR ucSelectedPanel_RefreshRate;	/*  panel refresh rate */
-	UCHAR ucMinTemperature;
-	UCHAR ucMaxTemperature;
-	UCHAR ucNumPciELanes;	/*  number of PCIE lanes */
-} ATOM_POWERMODE_INFO_V2;
-
-/* ucTableFormatRevision=2 */
-/* ucTableContentRevision=2 */
-typedef struct _ATOM_POWERMODE_INFO_V3 {
-	ULONG ulMiscInfo;	/* The power level should be arranged in ascending order */
-	ULONG ulMiscInfo2;
-	ULONG ulEngineClock;
-	ULONG ulMemoryClock;
-	UCHAR ucVoltageDropIndex;	/*  index to Core (VDDC) votage table */
-	UCHAR ucSelectedPanel_RefreshRate;	/*  panel refresh rate */
-	UCHAR ucMinTemperature;
-	UCHAR ucMaxTemperature;
-	UCHAR ucNumPciELanes;	/*  number of PCIE lanes */
-	UCHAR ucVDDCI_VoltageDropIndex;	/*  index to VDDCI votage table */
-} ATOM_POWERMODE_INFO_V3;
+#define ATOM_PM_MISCINFO2_UVD_SUPPORT_MODE               0x00000200L 
+
+//ucTableFormatRevision=1
+//ucTableContentRevision=1
+typedef struct  _ATOM_POWERMODE_INFO
+{
+  ULONG     ulMiscInfo;                 //The power level should be arranged in ascending order
+  ULONG     ulReserved1;                // must set to 0
+  ULONG     ulReserved2;                // must set to 0
+  USHORT    usEngineClock;
+  USHORT    usMemoryClock;
+  UCHAR     ucVoltageDropIndex;         // index to GPIO table
+  UCHAR     ucSelectedPanel_RefreshRate;// panel refresh rate
+  UCHAR     ucMinTemperature;
+  UCHAR     ucMaxTemperature;
+  UCHAR     ucNumPciELanes;             // number of PCIE lanes
+}ATOM_POWERMODE_INFO;
+
+//ucTableFormatRevision=2
+//ucTableContentRevision=1
+typedef struct  _ATOM_POWERMODE_INFO_V2
+{
+  ULONG     ulMiscInfo;                 //The power level should be arranged in ascending order
+  ULONG     ulMiscInfo2;                
+  ULONG     ulEngineClock;                
+  ULONG     ulMemoryClock;
+  UCHAR     ucVoltageDropIndex;         // index to GPIO table
+  UCHAR     ucSelectedPanel_RefreshRate;// panel refresh rate
+  UCHAR     ucMinTemperature;
+  UCHAR     ucMaxTemperature;
+  UCHAR     ucNumPciELanes;             // number of PCIE lanes
+}ATOM_POWERMODE_INFO_V2;
+
+//ucTableFormatRevision=2
+//ucTableContentRevision=2
+typedef struct  _ATOM_POWERMODE_INFO_V3
+{
+  ULONG     ulMiscInfo;                 //The power level should be arranged in ascending order
+  ULONG     ulMiscInfo2;                
+  ULONG     ulEngineClock;                
+  ULONG     ulMemoryClock;
+  UCHAR     ucVoltageDropIndex;         // index to Core (VDDC) votage table
+  UCHAR     ucSelectedPanel_RefreshRate;// panel refresh rate
+  UCHAR     ucMinTemperature;
+  UCHAR     ucMaxTemperature;
+  UCHAR     ucNumPciELanes;             // number of PCIE lanes
+  UCHAR     ucVDDCI_VoltageDropIndex;   // index to VDDCI votage table
+}ATOM_POWERMODE_INFO_V3;
+
 
 #define ATOM_MAX_NUMBEROF_POWER_BLOCK  8
 
@@ -4655,40 +5675,44 @@ typedef struct _ATOM_POWERMODE_INFO_V3 {
 #define ATOM_PP_OVERDRIVE_THERMALCONTROLLER_MUA6649   0x04
 #define ATOM_PP_OVERDRIVE_THERMALCONTROLLER_LM64      0x05
 #define ATOM_PP_OVERDRIVE_THERMALCONTROLLER_F75375    0x06
-#define ATOM_PP_OVERDRIVE_THERMALCONTROLLER_ASC7512   0x07	/*  Andigilog */
-
-typedef struct _ATOM_POWERPLAY_INFO {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	UCHAR ucOverdriveThermalController;
-	UCHAR ucOverdriveI2cLine;
-	UCHAR ucOverdriveIntBitmap;
-	UCHAR ucOverdriveControllerAddress;
-	UCHAR ucSizeOfPowerModeEntry;
-	UCHAR ucNumOfPowerModeEntries;
-	ATOM_POWERMODE_INFO asPowerPlayInfo[ATOM_MAX_NUMBEROF_POWER_BLOCK];
-} ATOM_POWERPLAY_INFO;
-
-typedef struct _ATOM_POWERPLAY_INFO_V2 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	UCHAR ucOverdriveThermalController;
-	UCHAR ucOverdriveI2cLine;
-	UCHAR ucOverdriveIntBitmap;
-	UCHAR ucOverdriveControllerAddress;
-	UCHAR ucSizeOfPowerModeEntry;
-	UCHAR ucNumOfPowerModeEntries;
-	ATOM_POWERMODE_INFO_V2 asPowerPlayInfo[ATOM_MAX_NUMBEROF_POWER_BLOCK];
-} ATOM_POWERPLAY_INFO_V2;
-
-typedef struct _ATOM_POWERPLAY_INFO_V3 {
-	ATOM_COMMON_TABLE_HEADER sHeader;
-	UCHAR ucOverdriveThermalController;
-	UCHAR ucOverdriveI2cLine;
-	UCHAR ucOverdriveIntBitmap;
-	UCHAR ucOverdriveControllerAddress;
-	UCHAR ucSizeOfPowerModeEntry;
-	UCHAR ucNumOfPowerModeEntries;
-	ATOM_POWERMODE_INFO_V3 asPowerPlayInfo[ATOM_MAX_NUMBEROF_POWER_BLOCK];
-} ATOM_POWERPLAY_INFO_V3;
+#define ATOM_PP_OVERDRIVE_THERMALCONTROLLER_ASC7512   0x07	// Andigilog
+
+
+typedef struct  _ATOM_POWERPLAY_INFO
+{
+  ATOM_COMMON_TABLE_HEADER	sHeader; 
+  UCHAR    ucOverdriveThermalController;
+  UCHAR    ucOverdriveI2cLine;
+  UCHAR    ucOverdriveIntBitmap;
+  UCHAR    ucOverdriveControllerAddress;
+  UCHAR    ucSizeOfPowerModeEntry;
+  UCHAR    ucNumOfPowerModeEntries;
+  ATOM_POWERMODE_INFO asPowerPlayInfo[ATOM_MAX_NUMBEROF_POWER_BLOCK];
+}ATOM_POWERPLAY_INFO;
+
+typedef struct  _ATOM_POWERPLAY_INFO_V2
+{
+  ATOM_COMMON_TABLE_HEADER	sHeader; 
+  UCHAR    ucOverdriveThermalController;
+  UCHAR    ucOverdriveI2cLine;
+  UCHAR    ucOverdriveIntBitmap;
+  UCHAR    ucOverdriveControllerAddress;
+  UCHAR    ucSizeOfPowerModeEntry;
+  UCHAR    ucNumOfPowerModeEntries;
+  ATOM_POWERMODE_INFO_V2 asPowerPlayInfo[ATOM_MAX_NUMBEROF_POWER_BLOCK];
+}ATOM_POWERPLAY_INFO_V2;
+  
+typedef struct  _ATOM_POWERPLAY_INFO_V3
+{
+  ATOM_COMMON_TABLE_HEADER	sHeader; 
+  UCHAR    ucOverdriveThermalController;
+  UCHAR    ucOverdriveI2cLine;
+  UCHAR    ucOverdriveIntBitmap;
+  UCHAR    ucOverdriveControllerAddress;
+  UCHAR    ucSizeOfPowerModeEntry;
+  UCHAR    ucNumOfPowerModeEntries;
+  ATOM_POWERMODE_INFO_V3 asPowerPlayInfo[ATOM_MAX_NUMBEROF_POWER_BLOCK];
+}ATOM_POWERPLAY_INFO_V3;
 
 /* New PPlib */
 /**************************************************************************/
@@ -4873,40 +5897,42 @@ typedef struct _ATOM_PPLIB_RS780_CLOCK_INFO
       UCHAR  ucMaxHTLinkWidth;            // From SBIOS - {2, 4, 8, 16}
       UCHAR  ucMinHTLinkWidth;            // From SBIOS - {2, 4, 8, 16}. Effective only if CDLW enabled. Minimum down stream width could be bigger as display BW requriement.
       USHORT usHTLinkFreq;                // See definition ATOM_PPLIB_RS780_HTLINKFREQ_xxx or in MHz(>=200).
-      ULONG  ulFlags;
+      ULONG  ulFlags; 
 } ATOM_PPLIB_RS780_CLOCK_INFO;
 
-#define ATOM_PPLIB_RS780_VOLTAGE_NONE       0
-#define ATOM_PPLIB_RS780_VOLTAGE_LOW        1
-#define ATOM_PPLIB_RS780_VOLTAGE_HIGH       2
-#define ATOM_PPLIB_RS780_VOLTAGE_VARIABLE   3
+#define ATOM_PPLIB_RS780_VOLTAGE_NONE       0 
+#define ATOM_PPLIB_RS780_VOLTAGE_LOW        1 
+#define ATOM_PPLIB_RS780_VOLTAGE_HIGH       2 
+#define ATOM_PPLIB_RS780_VOLTAGE_VARIABLE   3 
 
 #define ATOM_PPLIB_RS780_SPMCLK_NONE        0   // We cannot change the side port memory clock, leave it as it is.
 #define ATOM_PPLIB_RS780_SPMCLK_LOW         1
 #define ATOM_PPLIB_RS780_SPMCLK_HIGH        2
 
-#define ATOM_PPLIB_RS780_HTLINKFREQ_NONE       0
-#define ATOM_PPLIB_RS780_HTLINKFREQ_LOW        1
-#define ATOM_PPLIB_RS780_HTLINKFREQ_HIGH       2
+#define ATOM_PPLIB_RS780_HTLINKFREQ_NONE       0 
+#define ATOM_PPLIB_RS780_HTLINKFREQ_LOW        1 
+#define ATOM_PPLIB_RS780_HTLINKFREQ_HIGH       2 
 
 /**************************************************************************/
 
-/*  Following definitions are for compatiblity issue in different SW components. */
+
+// Following definitions are for compatiblity issue in different SW components. 
 #define ATOM_MASTER_DATA_TABLE_REVISION   0x01
-#define Object_Info												Object_Header
+#define Object_Info												Object_Header			
 #define	AdjustARB_SEQ											MC_InitParameter
 #define	VRAM_GPIO_DetectionInfo						VoltageObjectInfo
-#define	ASIC_VDDCI_Info                   ASIC_ProfilingInfo
+#define	ASIC_VDDCI_Info                   ASIC_ProfilingInfo														
 #define ASIC_MVDDQ_Info										MemoryTrainingInfo
-#define SS_Info                           PPLL_SS_Info
+#define SS_Info                           PPLL_SS_Info                      
 #define ASIC_MVDDC_Info                   ASIC_InternalSS_Info
 #define DispDevicePriorityInfo						SaveRestoreInfo
 #define DispOutInfo												TV_VideoMode
 
+
 #define ATOM_ENCODER_OBJECT_TABLE         ATOM_OBJECT_TABLE
 #define ATOM_CONNECTOR_OBJECT_TABLE       ATOM_OBJECT_TABLE
 
-/* New device naming, remove them when both DAL/VBIOS is ready */
+//New device naming, remove them when both DAL/VBIOS is ready
 #define DFP2I_OUTPUT_CONTROL_PARAMETERS    CRT1_OUTPUT_CONTROL_PARAMETERS
 #define DFP2I_OUTPUT_CONTROL_PS_ALLOCATION DFP2I_OUTPUT_CONTROL_PARAMETERS
 
@@ -4921,7 +5947,7 @@ typedef struct _ATOM_PPLIB_RS780_CLOCK_INFO
 
 #define ATOM_DEVICE_DFP1I_INDEX            ATOM_DEVICE_DFP1_INDEX
 #define ATOM_DEVICE_DFP1X_INDEX            ATOM_DEVICE_DFP2_INDEX
-
+ 
 #define ATOM_DEVICE_DFP2I_INDEX            0x00000009
 #define ATOM_DEVICE_DFP2I_SUPPORT          (0x1L << ATOM_DEVICE_DFP2I_INDEX)
 
@@ -4939,7 +5965,7 @@ typedef struct _ATOM_PPLIB_RS780_CLOCK_INFO
 
 #define ATOM_S3_DFP2I_ACTIVEb1             0x02
 
-#define ATOM_S3_DFP1I_ACTIVE               ATOM_S3_DFP1_ACTIVE
+#define ATOM_S3_DFP1I_ACTIVE               ATOM_S3_DFP1_ACTIVE 
 #define ATOM_S3_DFP1X_ACTIVE               ATOM_S3_DFP2_ACTIVE
 
 #define ATOM_S3_DFP2I_ACTIVE               0x00000200L
@@ -4958,14 +5984,14 @@ typedef struct _ATOM_PPLIB_RS780_CLOCK_INFO
 #define ATOM_S6_ACC_REQ_DFP2Ib3            0x02
 #define ATOM_S6_ACC_REQ_DFP2I              0x02000000L
 
-#define TMDS1XEncoderControl               DVOEncoderControl
+#define TMDS1XEncoderControl               DVOEncoderControl           
 #define DFP1XOutputControl                 DVOOutputControl
 
 #define ExternalDFPOutputControl           DFP1XOutputControl
 #define EnableExternalTMDS_Encoder         TMDS1XEncoderControl
 
 #define DFP1IOutputControl                 TMDSAOutputControl
-#define DFP2IOutputControl                 LVTMAOutputControl
+#define DFP2IOutputControl                 LVTMAOutputControl      
 
 #define DAC1_ENCODER_CONTROL_PARAMETERS    DAC_ENCODER_CONTROL_PARAMETERS
 #define DAC1_ENCODER_CONTROL_PS_ALLOCATION DAC_ENCODER_CONTROL_PS_ALLOCATION
@@ -4974,7 +6000,7 @@ typedef struct _ATOM_PPLIB_RS780_CLOCK_INFO
 #define DAC2_ENCODER_CONTROL_PS_ALLOCATION DAC_ENCODER_CONTROL_PS_ALLOCATION
 
 #define ucDac1Standard  ucDacStandard
-#define ucDac2Standard  ucDacStandard
+#define ucDac2Standard  ucDacStandard  
 
 #define TMDS1EncoderControl TMDSAEncoderControl
 #define TMDS2EncoderControl LVTMAEncoderControl
@@ -4984,12 +6010,56 @@ typedef struct _ATOM_PPLIB_RS780_CLOCK_INFO
 #define CRT1OutputControl   DAC1OutputControl
 #define CRT2OutputControl   DAC2OutputControl
 
-/* These two lines will be removed for sure in a few days, will follow up with Michael V. */
+//These two lines will be removed for sure in a few days, will follow up with Michael V.
 #define EnableLVDS_SS   EnableSpreadSpectrumOnPPLL
-#define ENABLE_LVDS_SS_PARAMETERS_V3  ENABLE_SPREAD_SPECTRUM_ON_PPLL
+#define ENABLE_LVDS_SS_PARAMETERS_V3  ENABLE_SPREAD_SPECTRUM_ON_PPLL  
+
+//#define ATOM_S2_CRT1_DPMS_STATE         0x00010000L
+//#define ATOM_S2_LCD1_DPMS_STATE	        ATOM_S2_CRT1_DPMS_STATE
+//#define ATOM_S2_TV1_DPMS_STATE          ATOM_S2_CRT1_DPMS_STATE
+//#define ATOM_S2_DFP1_DPMS_STATE         ATOM_S2_CRT1_DPMS_STATE
+//#define ATOM_S2_CRT2_DPMS_STATE         ATOM_S2_CRT1_DPMS_STATE
+
+#define ATOM_S6_ACC_REQ_TV2             0x00400000L
+#define ATOM_DEVICE_TV2_INDEX           0x00000006
+#define ATOM_DEVICE_TV2_SUPPORT         (0x1L << ATOM_DEVICE_TV2_INDEX)
+#define ATOM_S0_TV2                     0x00100000L
+#define ATOM_S3_TV2_ACTIVE              ATOM_S3_DFP6_ACTIVE
+#define ATOM_S3_TV2_CRTC_ACTIVE         ATOM_S3_DFP6_CRTC_ACTIVE
+
+//
+#define ATOM_S2_CRT1_DPMS_STATE         0x00010000L
+#define ATOM_S2_LCD1_DPMS_STATE	        0x00020000L
+#define ATOM_S2_TV1_DPMS_STATE          0x00040000L
+#define ATOM_S2_DFP1_DPMS_STATE         0x00080000L
+#define ATOM_S2_CRT2_DPMS_STATE         0x00100000L
+#define ATOM_S2_LCD2_DPMS_STATE         0x00200000L
+#define ATOM_S2_TV2_DPMS_STATE          0x00400000L
+#define ATOM_S2_DFP2_DPMS_STATE         0x00800000L
+#define ATOM_S2_CV_DPMS_STATE           0x01000000L
+#define ATOM_S2_DFP3_DPMS_STATE					0x02000000L
+#define ATOM_S2_DFP4_DPMS_STATE					0x04000000L
+#define ATOM_S2_DFP5_DPMS_STATE					0x08000000L
+
+#define ATOM_S2_CRT1_DPMS_STATEb2       0x01
+#define ATOM_S2_LCD1_DPMS_STATEb2       0x02
+#define ATOM_S2_TV1_DPMS_STATEb2        0x04
+#define ATOM_S2_DFP1_DPMS_STATEb2       0x08
+#define ATOM_S2_CRT2_DPMS_STATEb2       0x10
+#define ATOM_S2_LCD2_DPMS_STATEb2       0x20
+#define ATOM_S2_TV2_DPMS_STATEb2        0x40
+#define ATOM_S2_DFP2_DPMS_STATEb2       0x80
+#define ATOM_S2_CV_DPMS_STATEb3         0x01
+#define ATOM_S2_DFP3_DPMS_STATEb3				0x02
+#define ATOM_S2_DFP4_DPMS_STATEb3				0x04
+#define ATOM_S2_DFP5_DPMS_STATEb3				0x08
+
+#define ATOM_S3_ASIC_GUI_ENGINE_HUNGb3	0x20
+#define ATOM_S3_ALLOW_FAST_PWR_SWITCHb3 0x40
+#define ATOM_S3_RQST_GPU_USE_MIN_PWRb3  0x80
 
 /*********************************************************************************/
 
-#pragma pack()			/*  BIOS data must use byte aligment */
+#pragma pack() // BIOS data must use byte aligment
 
 #endif /* _ATOMBIOS_H */
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c
index af464e351fbd..fd4ef6d18849 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -245,21 +245,25 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
 
 	switch (mode) {
 	case DRM_MODE_DPMS_ON:
-		atombios_enable_crtc(crtc, 1);
+		atombios_enable_crtc(crtc, ATOM_ENABLE);
 		if (ASIC_IS_DCE3(rdev))
-			atombios_enable_crtc_memreq(crtc, 1);
-		atombios_blank_crtc(crtc, 0);
-		drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
+			atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
+		atombios_blank_crtc(crtc, ATOM_DISABLE);
+		/* XXX re-enable when interrupt support is added */
+		if (!ASIC_IS_DCE4(rdev))
+			drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
 		radeon_crtc_load_lut(crtc);
 		break;
 	case DRM_MODE_DPMS_STANDBY:
 	case DRM_MODE_DPMS_SUSPEND:
 	case DRM_MODE_DPMS_OFF:
-		drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
-		atombios_blank_crtc(crtc, 1);
+		/* XXX re-enable when interrupt support is added */
+		if (!ASIC_IS_DCE4(rdev))
+			drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
+		atombios_blank_crtc(crtc, ATOM_ENABLE);
 		if (ASIC_IS_DCE3(rdev))
-			atombios_enable_crtc_memreq(crtc, 0);
-		atombios_enable_crtc(crtc, 0);
+			atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
+		atombios_enable_crtc(crtc, ATOM_DISABLE);
 		break;
 	}
 }
@@ -349,7 +353,55 @@ static void atombios_crtc_set_timing(struct drm_crtc *crtc,
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 }
 
-static void atombios_set_ss(struct drm_crtc *crtc, int enable)
+static void atombios_disable_ss(struct drm_crtc *crtc)
+{
+	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+	struct drm_device *dev = crtc->dev;
+	struct radeon_device *rdev = dev->dev_private;
+	u32 ss_cntl;
+
+	if (ASIC_IS_DCE4(rdev)) {
+		switch (radeon_crtc->pll_id) {
+		case ATOM_PPLL1:
+			ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL);
+			ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
+			WREG32(EVERGREEN_P1PLL_SS_CNTL, ss_cntl);
+			break;
+		case ATOM_PPLL2:
+			ss_cntl = RREG32(EVERGREEN_P2PLL_SS_CNTL);
+			ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
+			WREG32(EVERGREEN_P2PLL_SS_CNTL, ss_cntl);
+			break;
+		case ATOM_DCPLL:
+		case ATOM_PPLL_INVALID:
+			return;
+		}
+	} else if (ASIC_IS_AVIVO(rdev)) {
+		switch (radeon_crtc->pll_id) {
+		case ATOM_PPLL1:
+			ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL);
+			ss_cntl &= ~1;
+			WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl);
+			break;
+		case ATOM_PPLL2:
+			ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL);
+			ss_cntl &= ~1;
+			WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl);
+			break;
+		case ATOM_DCPLL:
+		case ATOM_PPLL_INVALID:
+			return;
+		}
+	}
+}
+
+
+union atom_enable_ss {
+	ENABLE_LVDS_SS_PARAMETERS legacy;
+	ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1;
+};
+
+static void atombios_enable_ss(struct drm_crtc *crtc)
 {
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	struct drm_device *dev = crtc->dev;
@@ -358,11 +410,14 @@ static void atombios_set_ss(struct drm_crtc *crtc, int enable)
 	struct radeon_encoder *radeon_encoder = NULL;
 	struct radeon_encoder_atom_dig *dig = NULL;
 	int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL);
-	ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION args;
-	ENABLE_LVDS_SS_PARAMETERS legacy_args;
+	union atom_enable_ss args;
 	uint16_t percentage = 0;
 	uint8_t type = 0, step = 0, delay = 0, range = 0;
 
+	/* XXX add ss support for DCE4 */
+	if (ASIC_IS_DCE4(rdev))
+		return;
+
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 		if (encoder->crtc == crtc) {
 			radeon_encoder = to_radeon_encoder(encoder);
@@ -375,9 +430,9 @@ static void atombios_set_ss(struct drm_crtc *crtc, int enable)
 					step = dig->ss->step;
 					delay = dig->ss->delay;
 					range = dig->ss->range;
-				} else if (enable)
+				} else
 					return;
-			} else if (enable)
+			} else
 				return;
 			break;
 		}
@@ -386,29 +441,28 @@ static void atombios_set_ss(struct drm_crtc *crtc, int enable)
 	if (!radeon_encoder)
 		return;
 
+	memset(&args, 0, sizeof(args));
 	if (ASIC_IS_AVIVO(rdev)) {
-		memset(&args, 0, sizeof(args));
-		args.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
-		args.ucSpreadSpectrumType = type;
-		args.ucSpreadSpectrumStep = step;
-		args.ucSpreadSpectrumDelay = delay;
-		args.ucSpreadSpectrumRange = range;
-		args.ucPpll = radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
-		args.ucEnable = enable;
-		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+		args.v1.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
+		args.v1.ucSpreadSpectrumType = type;
+		args.v1.ucSpreadSpectrumStep = step;
+		args.v1.ucSpreadSpectrumDelay = delay;
+		args.v1.ucSpreadSpectrumRange = range;
+		args.v1.ucPpll = radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
+		args.v1.ucEnable = ATOM_ENABLE;
 	} else {
-		memset(&legacy_args, 0, sizeof(legacy_args));
-		legacy_args.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
-		legacy_args.ucSpreadSpectrumType = type;
-		legacy_args.ucSpreadSpectrumStepSize_Delay = (step & 3) << 2;
-		legacy_args.ucSpreadSpectrumStepSize_Delay |= (delay & 7) << 4;
-		legacy_args.ucEnable = enable;
-		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&legacy_args);
+		args.legacy.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
+		args.legacy.ucSpreadSpectrumType = type;
+		args.legacy.ucSpreadSpectrumStepSize_Delay = (step & 3) << 2;
+		args.legacy.ucSpreadSpectrumStepSize_Delay |= (delay & 7) << 4;
+		args.legacy.ucEnable = ATOM_ENABLE;
 	}
+	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 }
 
 union adjust_pixel_clock {
 	ADJUST_DISPLAY_PLL_PS_ALLOCATION v1;
+	ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3;
 };
 
 static u32 atombios_adjust_pll(struct drm_crtc *crtc,
@@ -420,10 +474,24 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 	struct drm_encoder *encoder = NULL;
 	struct radeon_encoder *radeon_encoder = NULL;
 	u32 adjusted_clock = mode->clock;
+	int encoder_mode = 0;
 
 	/* reset the pll flags */
 	pll->flags = 0;
 
+	/* select the PLL algo */
+	if (ASIC_IS_AVIVO(rdev)) {
+		if (radeon_new_pll == 0)
+			pll->algo = PLL_ALGO_LEGACY;
+		else
+			pll->algo = PLL_ALGO_NEW;
+	} else {
+		if (radeon_new_pll == 1)
+			pll->algo = PLL_ALGO_NEW;
+		else
+			pll->algo = PLL_ALGO_LEGACY;
+	}
+
 	if (ASIC_IS_AVIVO(rdev)) {
 		if ((rdev->family == CHIP_RS600) ||
 		    (rdev->family == CHIP_RS690) ||
@@ -448,6 +516,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 		if (encoder->crtc == crtc) {
 			radeon_encoder = to_radeon_encoder(encoder);
+			encoder_mode = atombios_get_encoder_mode(encoder);
 			if (ASIC_IS_AVIVO(rdev)) {
 				/* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
 				if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
@@ -468,17 +537,13 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 	 */
 	if (ASIC_IS_DCE3(rdev)) {
 		union adjust_pixel_clock args;
-		struct radeon_encoder_atom_dig *dig;
 		u8 frev, crev;
 		int index;
 
-		if (!radeon_encoder->enc_priv)
-			return adjusted_clock;
-		dig = radeon_encoder->enc_priv;
-
 		index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
-		atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
-				      &crev);
+		if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
+					   &crev))
+			return adjusted_clock;
 
 		memset(&args, 0, sizeof(args));
 
@@ -489,12 +554,56 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 			case 2:
 				args.v1.usPixelClock = cpu_to_le16(mode->clock / 10);
 				args.v1.ucTransmitterID = radeon_encoder->encoder_id;
-				args.v1.ucEncodeMode = atombios_get_encoder_mode(encoder);
+				args.v1.ucEncodeMode = encoder_mode;
 
 				atom_execute_table(rdev->mode_info.atom_context,
 						   index, (uint32_t *)&args);
 				adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10;
 				break;
+			case 3:
+				args.v3.sInput.usPixelClock = cpu_to_le16(mode->clock / 10);
+				args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id;
+				args.v3.sInput.ucEncodeMode = encoder_mode;
+				args.v3.sInput.ucDispPllConfig = 0;
+				if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
+					struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+
+					if (encoder_mode == ATOM_ENCODER_MODE_DP)
+						args.v3.sInput.ucDispPllConfig |=
+							DISPPLL_CONFIG_COHERENT_MODE;
+					else {
+						if (dig->coherent_mode)
+							args.v3.sInput.ucDispPllConfig |=
+								DISPPLL_CONFIG_COHERENT_MODE;
+						if (mode->clock > 165000)
+							args.v3.sInput.ucDispPllConfig |=
+								DISPPLL_CONFIG_DUAL_LINK;
+					}
+				} else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
+					/* may want to enable SS on DP/eDP eventually */
+					/*args.v3.sInput.ucDispPllConfig |=
+						DISPPLL_CONFIG_SS_ENABLE;*/
+					if (encoder_mode == ATOM_ENCODER_MODE_DP)
+						args.v3.sInput.ucDispPllConfig |=
+							DISPPLL_CONFIG_COHERENT_MODE;
+					else {
+						if (mode->clock > 165000)
+							args.v3.sInput.ucDispPllConfig |=
+								DISPPLL_CONFIG_DUAL_LINK;
+					}
+				}
+				atom_execute_table(rdev->mode_info.atom_context,
+						   index, (uint32_t *)&args);
+				adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10;
+				if (args.v3.sOutput.ucRefDiv) {
+					pll->flags |= RADEON_PLL_USE_REF_DIV;
+					pll->reference_div = args.v3.sOutput.ucRefDiv;
+				}
+				if (args.v3.sOutput.ucPostDiv) {
+					pll->flags |= RADEON_PLL_USE_POST_DIV;
+					pll->post_div = args.v3.sOutput.ucPostDiv;
+				}
+				break;
 			default:
 				DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 				return adjusted_clock;
@@ -513,9 +622,48 @@ union set_pixel_clock {
 	PIXEL_CLOCK_PARAMETERS v1;
 	PIXEL_CLOCK_PARAMETERS_V2 v2;
 	PIXEL_CLOCK_PARAMETERS_V3 v3;
+	PIXEL_CLOCK_PARAMETERS_V5 v5;
 };
 
-void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
+static void atombios_crtc_set_dcpll(struct drm_crtc *crtc)
+{
+	struct drm_device *dev = crtc->dev;
+	struct radeon_device *rdev = dev->dev_private;
+	u8 frev, crev;
+	int index;
+	union set_pixel_clock args;
+
+	memset(&args, 0, sizeof(args));
+
+	index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
+	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
+				   &crev))
+		return;
+
+	switch (frev) {
+	case 1:
+		switch (crev) {
+		case 5:
+			/* if the default dcpll clock is specified,
+			 * SetPixelClock provides the dividers
+			 */
+			args.v5.ucCRTC = ATOM_CRTC_INVALID;
+			args.v5.usPixelClock = rdev->clock.default_dispclk;
+			args.v5.ucPpll = ATOM_DCPLL;
+			break;
+		default:
+			DRM_ERROR("Unknown table version %d %d\n", frev, crev);
+			return;
+		}
+		break;
+	default:
+		DRM_ERROR("Unknown table version %d %d\n", frev, crev);
+		return;
+	}
+	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+}
+
+static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 {
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	struct drm_device *dev = crtc->dev;
@@ -529,12 +677,14 @@ void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 	u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
 	struct radeon_pll *pll;
 	u32 adjusted_clock;
+	int encoder_mode = 0;
 
 	memset(&args, 0, sizeof(args));
 
 	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 		if (encoder->crtc == crtc) {
 			radeon_encoder = to_radeon_encoder(encoder);
+			encoder_mode = atombios_get_encoder_mode(encoder);
 			break;
 		}
 	}
@@ -542,30 +692,29 @@ void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 	if (!radeon_encoder)
 		return;
 
-	if (radeon_crtc->crtc_id == 0)
+	switch (radeon_crtc->pll_id) {
+	case ATOM_PPLL1:
 		pll = &rdev->clock.p1pll;
-	else
+		break;
+	case ATOM_PPLL2:
 		pll = &rdev->clock.p2pll;
+		break;
+	case ATOM_DCPLL:
+	case ATOM_PPLL_INVALID:
+		pll = &rdev->clock.dcpll;
+		break;
+	}
 
 	/* adjust pixel clock as needed */
 	adjusted_clock = atombios_adjust_pll(crtc, mode, pll);
 
-	if (ASIC_IS_AVIVO(rdev)) {
-		if (radeon_new_pll)
-			radeon_compute_pll_avivo(pll, adjusted_clock, &pll_clock,
-						 &fb_div, &frac_fb_div,
-						 &ref_div, &post_div);
-		else
-			radeon_compute_pll(pll, adjusted_clock, &pll_clock,
-					   &fb_div, &frac_fb_div,
-					   &ref_div, &post_div);
-	} else
-		radeon_compute_pll(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
-				   &ref_div, &post_div);
+	radeon_compute_pll(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
+			   &ref_div, &post_div);
 
 	index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
-	atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
-			      &crev);
+	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
+				   &crev))
+		return;
 
 	switch (frev) {
 	case 1:
@@ -576,8 +725,7 @@ void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 			args.v1.usFbDiv = cpu_to_le16(fb_div);
 			args.v1.ucFracFbDiv = frac_fb_div;
 			args.v1.ucPostDiv = post_div;
-			args.v1.ucPpll =
-			    radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
+			args.v1.ucPpll = radeon_crtc->pll_id;
 			args.v1.ucCRTC = radeon_crtc->crtc_id;
 			args.v1.ucRefDivSrc = 1;
 			break;
@@ -587,8 +735,7 @@ void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 			args.v2.usFbDiv = cpu_to_le16(fb_div);
 			args.v2.ucFracFbDiv = frac_fb_div;
 			args.v2.ucPostDiv = post_div;
-			args.v2.ucPpll =
-			    radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
+			args.v2.ucPpll = radeon_crtc->pll_id;
 			args.v2.ucCRTC = radeon_crtc->crtc_id;
 			args.v2.ucRefDivSrc = 1;
 			break;
@@ -598,12 +745,22 @@ void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 			args.v3.usFbDiv = cpu_to_le16(fb_div);
 			args.v3.ucFracFbDiv = frac_fb_div;
 			args.v3.ucPostDiv = post_div;
-			args.v3.ucPpll =
-			    radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
-			args.v3.ucMiscInfo = (radeon_crtc->crtc_id << 2);
+			args.v3.ucPpll = radeon_crtc->pll_id;
+			args.v3.ucMiscInfo = (radeon_crtc->pll_id << 2);
 			args.v3.ucTransmitterId = radeon_encoder->encoder_id;
-			args.v3.ucEncoderMode =
-			    atombios_get_encoder_mode(encoder);
+			args.v3.ucEncoderMode = encoder_mode;
+			break;
+		case 5:
+			args.v5.ucCRTC = radeon_crtc->crtc_id;
+			args.v5.usPixelClock = cpu_to_le16(mode->clock / 10);
+			args.v5.ucRefDiv = ref_div;
+			args.v5.usFbDiv = cpu_to_le16(fb_div);
+			args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
+			args.v5.ucPostDiv = post_div;
+			args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
+			args.v5.ucTransmitterID = radeon_encoder->encoder_id;
+			args.v5.ucEncoderMode = encoder_mode;
+			args.v5.ucPpll = radeon_crtc->pll_id;
 			break;
 		default:
 			DRM_ERROR("Unknown table version %d %d\n", frev, crev);
@@ -618,6 +775,140 @@ void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 }
 
+static int evergreen_crtc_set_base(struct drm_crtc *crtc, int x, int y,
+				   struct drm_framebuffer *old_fb)
+{
+	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+	struct drm_device *dev = crtc->dev;
+	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_framebuffer *radeon_fb;
+	struct drm_gem_object *obj;
+	struct radeon_bo *rbo;
+	uint64_t fb_location;
+	uint32_t fb_format, fb_pitch_pixels, tiling_flags;
+	int r;
+
+	/* no fb bound */
+	if (!crtc->fb) {
+		DRM_DEBUG("No FB bound\n");
+		return 0;
+	}
+
+	radeon_fb = to_radeon_framebuffer(crtc->fb);
+
+	/* Pin framebuffer & get tilling informations */
+	obj = radeon_fb->obj;
+	rbo = obj->driver_private;
+	r = radeon_bo_reserve(rbo, false);
+	if (unlikely(r != 0))
+		return r;
+	r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
+	if (unlikely(r != 0)) {
+		radeon_bo_unreserve(rbo);
+		return -EINVAL;
+	}
+	radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
+	radeon_bo_unreserve(rbo);
+
+	switch (crtc->fb->bits_per_pixel) {
+	case 8:
+		fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) |
+			     EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED));
+		break;
+	case 15:
+		fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
+			     EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555));
+		break;
+	case 16:
+		fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
+			     EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565));
+		break;
+	case 24:
+	case 32:
+		fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) |
+			     EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888));
+		break;
+	default:
+		DRM_ERROR("Unsupported screen depth %d\n",
+			  crtc->fb->bits_per_pixel);
+		return -EINVAL;
+	}
+
+	switch (radeon_crtc->crtc_id) {
+	case 0:
+		WREG32(AVIVO_D1VGA_CONTROL, 0);
+		break;
+	case 1:
+		WREG32(AVIVO_D2VGA_CONTROL, 0);
+		break;
+	case 2:
+		WREG32(EVERGREEN_D3VGA_CONTROL, 0);
+		break;
+	case 3:
+		WREG32(EVERGREEN_D4VGA_CONTROL, 0);
+		break;
+	case 4:
+		WREG32(EVERGREEN_D5VGA_CONTROL, 0);
+		break;
+	case 5:
+		WREG32(EVERGREEN_D6VGA_CONTROL, 0);
+		break;
+	default:
+		break;
+	}
+
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
+	       upper_32_bits(fb_location));
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
+	       upper_32_bits(fb_location));
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
+	       (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
+	       (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
+	WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
+
+	WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
+	WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
+	WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0);
+	WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0);
+	WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, crtc->fb->width);
+	WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, crtc->fb->height);
+
+	fb_pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8);
+	WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
+	WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
+
+	WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
+	       crtc->mode.vdisplay);
+	x &= ~3;
+	y &= ~1;
+	WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset,
+	       (x << 16) | y);
+	WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
+	       (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
+
+	if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
+		WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset,
+		       EVERGREEN_INTERLEAVE_EN);
+	else
+		WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset, 0);
+
+	if (old_fb && old_fb != crtc->fb) {
+		radeon_fb = to_radeon_framebuffer(old_fb);
+		rbo = radeon_fb->obj->driver_private;
+		r = radeon_bo_reserve(rbo, false);
+		if (unlikely(r != 0))
+			return r;
+		radeon_bo_unpin(rbo);
+		radeon_bo_unreserve(rbo);
+	}
+
+	/* Bytes per pixel may have changed */
+	radeon_bandwidth_update(rdev);
+
+	return 0;
+}
+
 static int avivo_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 			       struct drm_framebuffer *old_fb)
 {
@@ -755,7 +1046,9 @@ int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 	struct drm_device *dev = crtc->dev;
 	struct radeon_device *rdev = dev->dev_private;
 
-	if (ASIC_IS_AVIVO(rdev))
+	if (ASIC_IS_DCE4(rdev))
+		return evergreen_crtc_set_base(crtc, x, y, old_fb);
+	else if (ASIC_IS_AVIVO(rdev))
 		return avivo_crtc_set_base(crtc, x, y, old_fb);
 	else
 		return radeon_crtc_set_base(crtc, x, y, old_fb);
@@ -785,6 +1078,46 @@ static void radeon_legacy_atom_fixup(struct drm_crtc *crtc)
 	}
 }
 
+static int radeon_atom_pick_pll(struct drm_crtc *crtc)
+{
+	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+	struct drm_device *dev = crtc->dev;
+	struct radeon_device *rdev = dev->dev_private;
+	struct drm_encoder *test_encoder;
+	struct drm_crtc *test_crtc;
+	uint32_t pll_in_use = 0;
+
+	if (ASIC_IS_DCE4(rdev)) {
+		/* if crtc is driving DP and we have an ext clock, use that */
+		list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
+			if (test_encoder->crtc && (test_encoder->crtc == crtc)) {
+				if (atombios_get_encoder_mode(test_encoder) == ATOM_ENCODER_MODE_DP) {
+					if (rdev->clock.dp_extclk)
+						return ATOM_PPLL_INVALID;
+				}
+			}
+		}
+
+		/* otherwise, pick one of the plls */
+		list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
+			struct radeon_crtc *radeon_test_crtc;
+
+			if (crtc == test_crtc)
+				continue;
+
+			radeon_test_crtc = to_radeon_crtc(test_crtc);
+			if ((radeon_test_crtc->pll_id >= ATOM_PPLL1) &&
+			    (radeon_test_crtc->pll_id <= ATOM_PPLL2))
+				pll_in_use |= (1 << radeon_test_crtc->pll_id);
+		}
+		if (!(pll_in_use & 1))
+			return ATOM_PPLL1;
+		return ATOM_PPLL2;
+	} else
+		return radeon_crtc->crtc_id;
+
+}
+
 int atombios_crtc_mode_set(struct drm_crtc *crtc,
 			   struct drm_display_mode *mode,
 			   struct drm_display_mode *adjusted_mode,
@@ -796,19 +1129,24 @@ int atombios_crtc_mode_set(struct drm_crtc *crtc,
 
 	/* TODO color tiling */
 
-	atombios_set_ss(crtc, 0);
+	atombios_disable_ss(crtc);
+	/* always set DCPLL */
+	if (ASIC_IS_DCE4(rdev))
+		atombios_crtc_set_dcpll(crtc);
 	atombios_crtc_set_pll(crtc, adjusted_mode);
-	atombios_set_ss(crtc, 1);
-	atombios_crtc_set_timing(crtc, adjusted_mode);
+	atombios_enable_ss(crtc);
 
-	if (ASIC_IS_AVIVO(rdev))
-		atombios_crtc_set_base(crtc, x, y, old_fb);
+	if (ASIC_IS_DCE4(rdev))
+		atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
+	else if (ASIC_IS_AVIVO(rdev))
+		atombios_crtc_set_timing(crtc, adjusted_mode);
 	else {
+		atombios_crtc_set_timing(crtc, adjusted_mode);
 		if (radeon_crtc->crtc_id == 0)
 			atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
-		atombios_crtc_set_base(crtc, x, y, old_fb);
 		radeon_legacy_atom_fixup(crtc);
 	}
+	atombios_crtc_set_base(crtc, x, y, old_fb);
 	atombios_overscan_setup(crtc, mode, adjusted_mode);
 	atombios_scaler_setup(crtc);
 	return 0;
@@ -825,14 +1163,19 @@ static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
 
 static void atombios_crtc_prepare(struct drm_crtc *crtc)
 {
-	atombios_lock_crtc(crtc, 1);
+	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+
+	/* pick pll */
+	radeon_crtc->pll_id = radeon_atom_pick_pll(crtc);
+
+	atombios_lock_crtc(crtc, ATOM_ENABLE);
 	atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
 }
 
 static void atombios_crtc_commit(struct drm_crtc *crtc)
 {
 	atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
-	atombios_lock_crtc(crtc, 0);
+	atombios_lock_crtc(crtc, ATOM_DISABLE);
 }
 
 static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
@@ -848,8 +1191,37 @@ static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
 void radeon_atombios_init_crtc(struct drm_device *dev,
 			       struct radeon_crtc *radeon_crtc)
 {
-	if (radeon_crtc->crtc_id == 1)
-		radeon_crtc->crtc_offset =
-		    AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
+	struct radeon_device *rdev = dev->dev_private;
+
+	if (ASIC_IS_DCE4(rdev)) {
+		switch (radeon_crtc->crtc_id) {
+		case 0:
+		default:
+			radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET;
+			break;
+		case 1:
+			radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET;
+			break;
+		case 2:
+			radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET;
+			break;
+		case 3:
+			radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET;
+			break;
+		case 4:
+			radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET;
+			break;
+		case 5:
+			radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET;
+			break;
+		}
+	} else {
+		if (radeon_crtc->crtc_id == 1)
+			radeon_crtc->crtc_offset =
+				AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
+		else
+			radeon_crtc->crtc_offset = 0;
+	}
+	radeon_crtc->pll_id = -1;
 	drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
 }
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index 99915a682d59..28b31c64f48d 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -321,6 +321,10 @@ static void dp_get_adjust_train(u8 link_status[DP_LINK_STATUS_SIZE],
 		train_set[lane] = v | p;
 }
 
+union aux_channel_transaction {
+	PROCESS_AUX_CHANNEL_TRANSACTION_PS_ALLOCATION v1;
+	PROCESS_AUX_CHANNEL_TRANSACTION_PARAMETERS_V2 v2;
+};
 
 /* radeon aux chan functions */
 bool radeon_process_aux_ch(struct radeon_i2c_chan *chan, u8 *req_bytes,
@@ -329,7 +333,7 @@ bool radeon_process_aux_ch(struct radeon_i2c_chan *chan, u8 *req_bytes,
 {
 	struct drm_device *dev = chan->dev;
 	struct radeon_device *rdev = dev->dev_private;
-	PROCESS_AUX_CHANNEL_TRANSACTION_PS_ALLOCATION args;
+	union aux_channel_transaction args;
 	int index = GetIndexIntoMasterTable(COMMAND, ProcessAuxChannelTransaction);
 	unsigned char *base;
 	int retry_count = 0;
@@ -341,31 +345,33 @@ bool radeon_process_aux_ch(struct radeon_i2c_chan *chan, u8 *req_bytes,
 retry:
 	memcpy(base, req_bytes, num_bytes);
 
-	args.lpAuxRequest = 0;
-	args.lpDataOut = 16;
-	args.ucDataOutLen = 0;
-	args.ucChannelID = chan->rec.i2c_id;
-	args.ucDelay = delay / 10;
+	args.v1.lpAuxRequest = 0;
+	args.v1.lpDataOut = 16;
+	args.v1.ucDataOutLen = 0;
+	args.v1.ucChannelID = chan->rec.i2c_id;
+	args.v1.ucDelay = delay / 10;
+	if (ASIC_IS_DCE4(rdev))
+		args.v2.ucHPD_ID = chan->rec.hpd_id;
 
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 
-	if (args.ucReplyStatus && !args.ucDataOutLen) {
-		if (args.ucReplyStatus == 0x20 && retry_count++ < 10)
+	if (args.v1.ucReplyStatus && !args.v1.ucDataOutLen) {
+		if (args.v1.ucReplyStatus == 0x20 && retry_count++ < 10)
 			goto retry;
 		DRM_DEBUG("failed to get auxch %02x%02x %02x %02x 0x%02x %02x after %d retries\n",
 			  req_bytes[1], req_bytes[0], req_bytes[2], req_bytes[3],
-			  chan->rec.i2c_id, args.ucReplyStatus, retry_count);
+			  chan->rec.i2c_id, args.v1.ucReplyStatus, retry_count);
 		return false;
 	}
 
-	if (args.ucDataOutLen && read_byte && read_buf_len) {
-		if (read_buf_len < args.ucDataOutLen) {
+	if (args.v1.ucDataOutLen && read_byte && read_buf_len) {
+		if (read_buf_len < args.v1.ucDataOutLen) {
 			DRM_ERROR("Buffer to small for return answer %d %d\n",
-				  read_buf_len, args.ucDataOutLen);
+				  read_buf_len, args.v1.ucDataOutLen);
 			return false;
 		}
 		{
-			int len = min(read_buf_len, args.ucDataOutLen);
+			int len = min(read_buf_len, args.v1.ucDataOutLen);
 			memcpy(read_byte, base + 16, len);
 		}
 	}
@@ -626,12 +632,19 @@ void dp_link_train(struct drm_encoder *encoder,
 	dp_set_link_bw_lanes(radeon_connector, link_configuration);
 	/* disable downspread on the sink */
 	dp_set_downspread(radeon_connector, 0);
-	/* start training on the source */
-	radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_START,
-				  dig_connector->dp_clock, enc_id, 0);
-	/* set training pattern 1 on the source */
-	radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_PATTERN_SEL,
-				  dig_connector->dp_clock, enc_id, 0);
+	if (ASIC_IS_DCE4(rdev)) {
+		/* start training on the source */
+		atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_START);
+		/* set training pattern 1 on the source */
+		atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN1);
+	} else {
+		/* start training on the source */
+		radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_START,
+					  dig_connector->dp_clock, enc_id, 0);
+		/* set training pattern 1 on the source */
+		radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_PATTERN_SEL,
+					  dig_connector->dp_clock, enc_id, 0);
+	}
 
 	/* set initial vs/emph */
 	memset(train_set, 0, 4);
@@ -691,8 +704,11 @@ void dp_link_train(struct drm_encoder *encoder,
 	/* set training pattern 2 on the sink */
 	dp_set_training(radeon_connector, DP_TRAINING_PATTERN_2);
 	/* set training pattern 2 on the source */
-	radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_PATTERN_SEL,
-				  dig_connector->dp_clock, enc_id, 1);
+	if (ASIC_IS_DCE4(rdev))
+		atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_PATTERN2);
+	else
+		radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_PATTERN_SEL,
+					  dig_connector->dp_clock, enc_id, 1);
 
 	/* channel equalization loop */
 	tries = 0;
@@ -731,8 +747,12 @@ void dp_link_train(struct drm_encoder *encoder,
 	/* disable the training pattern on the sink */
 	dp_set_training(radeon_connector, DP_TRAINING_PATTERN_DISABLE);
 
-	radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_COMPLETE,
-				  dig_connector->dp_clock, enc_id, 0);
+	/* disable the training pattern on the source */
+	if (ASIC_IS_DCE4(rdev))
+		atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_LINK_TRAINING_COMPLETE);
+	else
+		radeon_dp_encoder_service(rdev, ATOM_DP_ACTION_TRAINING_COMPLETE,
+					  dig_connector->dp_clock, enc_id, 0);
 }
 
 int radeon_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
diff --git a/drivers/gpu/drm/radeon/avivod.h b/drivers/gpu/drm/radeon/avivod.h
index d4e6e6e4a938..3c391e7e9fd4 100644
--- a/drivers/gpu/drm/radeon/avivod.h
+++ b/drivers/gpu/drm/radeon/avivod.h
@@ -30,11 +30,13 @@
 
 #define	D1CRTC_CONTROL					0x6080
 #define		CRTC_EN						(1 << 0)
+#define	D1CRTC_STATUS					0x609c
 #define	D1CRTC_UPDATE_LOCK				0x60E8
 #define	D1GRPH_PRIMARY_SURFACE_ADDRESS			0x6110
 #define	D1GRPH_SECONDARY_SURFACE_ADDRESS		0x6118
 
 #define	D2CRTC_CONTROL					0x6880
+#define	D2CRTC_STATUS					0x689c
 #define	D2CRTC_UPDATE_LOCK				0x68E8
 #define	D2GRPH_PRIMARY_SURFACE_ADDRESS			0x6910
 #define	D2GRPH_SECONDARY_SURFACE_ADDRESS		0x6918
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
new file mode 100644
index 000000000000..647a0efdc353
--- /dev/null
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -0,0 +1,764 @@
+/*
+ * Copyright 2010 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Alex Deucher
+ */
+#include <linux/firmware.h>
+#include <linux/platform_device.h>
+#include "drmP.h"
+#include "radeon.h"
+#include "radeon_asic.h"
+#include "radeon_drm.h"
+#include "rv770d.h"
+#include "atom.h"
+#include "avivod.h"
+#include "evergreen_reg.h"
+
+static void evergreen_gpu_init(struct radeon_device *rdev);
+void evergreen_fini(struct radeon_device *rdev);
+
+bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
+{
+	bool connected = false;
+	/* XXX */
+	return connected;
+}
+
+void evergreen_hpd_set_polarity(struct radeon_device *rdev,
+				enum radeon_hpd_id hpd)
+{
+	/* XXX */
+}
+
+void evergreen_hpd_init(struct radeon_device *rdev)
+{
+	/* XXX */
+}
+
+
+void evergreen_bandwidth_update(struct radeon_device *rdev)
+{
+	/* XXX */
+}
+
+void evergreen_hpd_fini(struct radeon_device *rdev)
+{
+	/* XXX */
+}
+
+static int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
+{
+	unsigned i;
+	u32 tmp;
+
+	for (i = 0; i < rdev->usec_timeout; i++) {
+		/* read MC_STATUS */
+		tmp = RREG32(SRBM_STATUS) & 0x1F00;
+		if (!tmp)
+			return 0;
+		udelay(1);
+	}
+	return -1;
+}
+
+/*
+ * GART
+ */
+int evergreen_pcie_gart_enable(struct radeon_device *rdev)
+{
+	u32 tmp;
+	int r, i;
+
+	if (rdev->gart.table.vram.robj == NULL) {
+		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
+		return -EINVAL;
+	}
+	r = radeon_gart_table_vram_pin(rdev);
+	if (r)
+		return r;
+	radeon_gart_restore(rdev);
+	/* Setup L2 cache */
+	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
+				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
+				EFFECTIVE_L2_QUEUE_SIZE(7));
+	WREG32(VM_L2_CNTL2, 0);
+	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
+	/* Setup TLB control */
+	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
+		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
+		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
+		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
+	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
+	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
+	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
+	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
+	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
+	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
+	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
+	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
+	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
+	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
+	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
+				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
+	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
+			(u32)(rdev->dummy_page.addr >> 12));
+	for (i = 1; i < 7; i++)
+		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
+
+	r600_pcie_gart_tlb_flush(rdev);
+	rdev->gart.ready = true;
+	return 0;
+}
+
+void evergreen_pcie_gart_disable(struct radeon_device *rdev)
+{
+	u32 tmp;
+	int i, r;
+
+	/* Disable all tables */
+	for (i = 0; i < 7; i++)
+		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
+
+	/* Setup L2 cache */
+	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
+				EFFECTIVE_L2_QUEUE_SIZE(7));
+	WREG32(VM_L2_CNTL2, 0);
+	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
+	/* Setup TLB control */
+	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
+	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
+	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
+	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
+	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
+	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
+	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
+	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
+	if (rdev->gart.table.vram.robj) {
+		r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
+		if (likely(r == 0)) {
+			radeon_bo_kunmap(rdev->gart.table.vram.robj);
+			radeon_bo_unpin(rdev->gart.table.vram.robj);
+			radeon_bo_unreserve(rdev->gart.table.vram.robj);
+		}
+	}
+}
+
+void evergreen_pcie_gart_fini(struct radeon_device *rdev)
+{
+	evergreen_pcie_gart_disable(rdev);
+	radeon_gart_table_vram_free(rdev);
+	radeon_gart_fini(rdev);
+}
+
+
+void evergreen_agp_enable(struct radeon_device *rdev)
+{
+	u32 tmp;
+	int i;
+
+	/* Setup L2 cache */
+	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
+				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
+				EFFECTIVE_L2_QUEUE_SIZE(7));
+	WREG32(VM_L2_CNTL2, 0);
+	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
+	/* Setup TLB control */
+	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
+		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
+		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
+		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
+	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
+	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
+	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
+	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
+	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
+	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
+	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
+	for (i = 0; i < 7; i++)
+		WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
+}
+
+static void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
+{
+	save->vga_control[0] = RREG32(D1VGA_CONTROL);
+	save->vga_control[1] = RREG32(D2VGA_CONTROL);
+	save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL);
+	save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL);
+	save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL);
+	save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL);
+	save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
+	save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
+	save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
+	save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
+	save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
+	save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
+	save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
+	save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
+
+	/* Stop all video */
+	WREG32(VGA_RENDER_CONTROL, 0);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
+	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
+
+	WREG32(D1VGA_CONTROL, 0);
+	WREG32(D2VGA_CONTROL, 0);
+	WREG32(EVERGREEN_D3VGA_CONTROL, 0);
+	WREG32(EVERGREEN_D4VGA_CONTROL, 0);
+	WREG32(EVERGREEN_D5VGA_CONTROL, 0);
+	WREG32(EVERGREEN_D6VGA_CONTROL, 0);
+}
+
+static void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
+{
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
+	       upper_32_bits(rdev->mc.vram_start));
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
+	       upper_32_bits(rdev->mc.vram_start));
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
+	       (u32)rdev->mc.vram_start);
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
+	       (u32)rdev->mc.vram_start);
+
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
+	       upper_32_bits(rdev->mc.vram_start));
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
+	       upper_32_bits(rdev->mc.vram_start));
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
+	       (u32)rdev->mc.vram_start);
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
+	       (u32)rdev->mc.vram_start);
+
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
+	       upper_32_bits(rdev->mc.vram_start));
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
+	       upper_32_bits(rdev->mc.vram_start));
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
+	       (u32)rdev->mc.vram_start);
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
+	       (u32)rdev->mc.vram_start);
+
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
+	       upper_32_bits(rdev->mc.vram_start));
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
+	       upper_32_bits(rdev->mc.vram_start));
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
+	       (u32)rdev->mc.vram_start);
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
+	       (u32)rdev->mc.vram_start);
+
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
+	       upper_32_bits(rdev->mc.vram_start));
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
+	       upper_32_bits(rdev->mc.vram_start));
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
+	       (u32)rdev->mc.vram_start);
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
+	       (u32)rdev->mc.vram_start);
+
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
+	       upper_32_bits(rdev->mc.vram_start));
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
+	       upper_32_bits(rdev->mc.vram_start));
+	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
+	       (u32)rdev->mc.vram_start);
+	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
+	       (u32)rdev->mc.vram_start);
+
+	WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
+	WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
+	/* Unlock host access */
+	WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
+	mdelay(1);
+	/* Restore video state */
+	WREG32(D1VGA_CONTROL, save->vga_control[0]);
+	WREG32(D2VGA_CONTROL, save->vga_control[1]);
+	WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]);
+	WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]);
+	WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]);
+	WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
+	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]);
+	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]);
+	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]);
+	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]);
+	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]);
+	WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
+	WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
+	WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
+}
+
+static void evergreen_mc_program(struct radeon_device *rdev)
+{
+	struct evergreen_mc_save save;
+	u32 tmp;
+	int i, j;
+
+	/* Initialize HDP */
+	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
+		WREG32((0x2c14 + j), 0x00000000);
+		WREG32((0x2c18 + j), 0x00000000);
+		WREG32((0x2c1c + j), 0x00000000);
+		WREG32((0x2c20 + j), 0x00000000);
+		WREG32((0x2c24 + j), 0x00000000);
+	}
+	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
+
+	evergreen_mc_stop(rdev, &save);
+	if (evergreen_mc_wait_for_idle(rdev)) {
+		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
+	}
+	/* Lockout access through VGA aperture*/
+	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
+	/* Update configuration */
+	if (rdev->flags & RADEON_IS_AGP) {
+		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
+			/* VRAM before AGP */
+			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
+				rdev->mc.vram_start >> 12);
+			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
+				rdev->mc.gtt_end >> 12);
+		} else {
+			/* VRAM after AGP */
+			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
+				rdev->mc.gtt_start >> 12);
+			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
+				rdev->mc.vram_end >> 12);
+		}
+	} else {
+		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
+			rdev->mc.vram_start >> 12);
+		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
+			rdev->mc.vram_end >> 12);
+	}
+	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
+	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
+	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
+	WREG32(MC_VM_FB_LOCATION, tmp);
+	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
+	WREG32(HDP_NONSURFACE_INFO, (2 << 7));
+	WREG32(HDP_NONSURFACE_SIZE, (rdev->mc.mc_vram_size - 1) | 0x3FF);
+	if (rdev->flags & RADEON_IS_AGP) {
+		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
+		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
+		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
+	} else {
+		WREG32(MC_VM_AGP_BASE, 0);
+		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
+		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
+	}
+	if (evergreen_mc_wait_for_idle(rdev)) {
+		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
+	}
+	evergreen_mc_resume(rdev, &save);
+	/* we need to own VRAM, so turn off the VGA renderer here
+	 * to stop it overwriting our objects */
+	rv515_vga_render_disable(rdev);
+}
+
+#if 0
+/*
+ * CP.
+ */
+static void evergreen_cp_stop(struct radeon_device *rdev)
+{
+	/* XXX */
+}
+
+
+static int evergreen_cp_load_microcode(struct radeon_device *rdev)
+{
+	/* XXX */
+
+	return 0;
+}
+
+
+/*
+ * Core functions
+ */
+static u32 evergreen_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
+						  u32 num_backends,
+						  u32 backend_disable_mask)
+{
+	u32 backend_map = 0;
+
+	return backend_map;
+}
+#endif
+
+static void evergreen_gpu_init(struct radeon_device *rdev)
+{
+	/* XXX */
+}
+
+int evergreen_mc_init(struct radeon_device *rdev)
+{
+	u32 tmp;
+	int chansize, numchan;
+
+	/* Get VRAM informations */
+	rdev->mc.vram_is_ddr = true;
+	tmp = RREG32(MC_ARB_RAMCFG);
+	if (tmp & CHANSIZE_OVERRIDE) {
+		chansize = 16;
+	} else if (tmp & CHANSIZE_MASK) {
+		chansize = 64;
+	} else {
+		chansize = 32;
+	}
+	tmp = RREG32(MC_SHARED_CHMAP);
+	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
+	case 0:
+	default:
+		numchan = 1;
+		break;
+	case 1:
+		numchan = 2;
+		break;
+	case 2:
+		numchan = 4;
+		break;
+	case 3:
+		numchan = 8;
+		break;
+	}
+	rdev->mc.vram_width = numchan * chansize;
+	/* Could aper size report 0 ? */
+	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
+	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+	/* Setup GPU memory space */
+	/* size in MB on evergreen */
+	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
+	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
+	rdev->mc.visible_vram_size = rdev->mc.aper_size;
+	/* FIXME remove this once we support unmappable VRAM */
+	if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
+		rdev->mc.mc_vram_size = rdev->mc.aper_size;
+		rdev->mc.real_vram_size = rdev->mc.aper_size;
+	}
+	r600_vram_gtt_location(rdev, &rdev->mc);
+	radeon_update_bandwidth_info(rdev);
+
+	return 0;
+}
+
+int evergreen_gpu_reset(struct radeon_device *rdev)
+{
+	/* FIXME: implement for evergreen */
+	return 0;
+}
+
+static int evergreen_startup(struct radeon_device *rdev)
+{
+#if 0
+	int r;
+
+	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
+		r = r600_init_microcode(rdev);
+		if (r) {
+			DRM_ERROR("Failed to load firmware!\n");
+			return r;
+		}
+	}
+#endif
+	evergreen_mc_program(rdev);
+#if 0
+	if (rdev->flags & RADEON_IS_AGP) {
+		evergreem_agp_enable(rdev);
+	} else {
+		r = evergreen_pcie_gart_enable(rdev);
+		if (r)
+			return r;
+	}
+#endif
+	evergreen_gpu_init(rdev);
+#if 0
+	if (!rdev->r600_blit.shader_obj) {
+		r = r600_blit_init(rdev);
+		if (r) {
+			DRM_ERROR("radeon: failed blitter (%d).\n", r);
+			return r;
+		}
+	}
+
+	r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
+	if (unlikely(r != 0))
+		return r;
+	r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
+			&rdev->r600_blit.shader_gpu_addr);
+	radeon_bo_unreserve(rdev->r600_blit.shader_obj);
+	if (r) {
+		DRM_ERROR("failed to pin blit object %d\n", r);
+		return r;
+	}
+
+	/* Enable IRQ */
+	r = r600_irq_init(rdev);
+	if (r) {
+		DRM_ERROR("radeon: IH init failed (%d).\n", r);
+		radeon_irq_kms_fini(rdev);
+		return r;
+	}
+	r600_irq_set(rdev);
+
+	r = radeon_ring_init(rdev, rdev->cp.ring_size);
+	if (r)
+		return r;
+	r = evergreen_cp_load_microcode(rdev);
+	if (r)
+		return r;
+	r = r600_cp_resume(rdev);
+	if (r)
+		return r;
+	/* write back buffer are not vital so don't worry about failure */
+	r600_wb_enable(rdev);
+#endif
+	return 0;
+}
+
+int evergreen_resume(struct radeon_device *rdev)
+{
+	int r;
+
+	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
+	 * posting will perform necessary task to bring back GPU into good
+	 * shape.
+	 */
+	/* post card */
+	atom_asic_init(rdev->mode_info.atom_context);
+	/* Initialize clocks */
+	r = radeon_clocks_init(rdev);
+	if (r) {
+		return r;
+	}
+
+	r = evergreen_startup(rdev);
+	if (r) {
+		DRM_ERROR("r600 startup failed on resume\n");
+		return r;
+	}
+#if 0
+	r = r600_ib_test(rdev);
+	if (r) {
+		DRM_ERROR("radeon: failled testing IB (%d).\n", r);
+		return r;
+	}
+#endif
+	return r;
+
+}
+
+int evergreen_suspend(struct radeon_device *rdev)
+{
+#if 0
+	int r;
+
+	/* FIXME: we should wait for ring to be empty */
+	r700_cp_stop(rdev);
+	rdev->cp.ready = false;
+	r600_wb_disable(rdev);
+	evergreen_pcie_gart_disable(rdev);
+	/* unpin shaders bo */
+	r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
+	if (likely(r == 0)) {
+		radeon_bo_unpin(rdev->r600_blit.shader_obj);
+		radeon_bo_unreserve(rdev->r600_blit.shader_obj);
+	}
+#endif
+	return 0;
+}
+
+static bool evergreen_card_posted(struct radeon_device *rdev)
+{
+	u32 reg;
+
+	/* first check CRTCs */
+	reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
+		RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
+		RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
+		RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) |
+		RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
+		RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
+	if (reg & EVERGREEN_CRTC_MASTER_EN)
+		return true;
+
+	/* then check MEM_SIZE, in case the crtcs are off */
+	if (RREG32(CONFIG_MEMSIZE))
+		return true;
+
+	return false;
+}
+
+/* Plan is to move initialization in that function and use
+ * helper function so that radeon_device_init pretty much
+ * do nothing more than calling asic specific function. This
+ * should also allow to remove a bunch of callback function
+ * like vram_info.
+ */
+int evergreen_init(struct radeon_device *rdev)
+{
+	int r;
+
+	r = radeon_dummy_page_init(rdev);
+	if (r)
+		return r;
+	/* This don't do much */
+	r = radeon_gem_init(rdev);
+	if (r)
+		return r;
+	/* Read BIOS */
+	if (!radeon_get_bios(rdev)) {
+		if (ASIC_IS_AVIVO(rdev))
+			return -EINVAL;
+	}
+	/* Must be an ATOMBIOS */
+	if (!rdev->is_atom_bios) {
+		dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
+		return -EINVAL;
+	}
+	r = radeon_atombios_init(rdev);
+	if (r)
+		return r;
+	/* Post card if necessary */
+	if (!evergreen_card_posted(rdev)) {
+		if (!rdev->bios) {
+			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
+			return -EINVAL;
+		}
+		DRM_INFO("GPU not posted. posting now...\n");
+		atom_asic_init(rdev->mode_info.atom_context);
+	}
+	/* Initialize scratch registers */
+	r600_scratch_init(rdev);
+	/* Initialize surface registers */
+	radeon_surface_init(rdev);
+	/* Initialize clocks */
+	radeon_get_clock_info(rdev->ddev);
+	r = radeon_clocks_init(rdev);
+	if (r)
+		return r;
+	/* Initialize power management */
+	radeon_pm_init(rdev);
+	/* Fence driver */
+	r = radeon_fence_driver_init(rdev);
+	if (r)
+		return r;
+	/* initialize AGP */
+	if (rdev->flags & RADEON_IS_AGP) {
+		r = radeon_agp_init(rdev);
+		if (r)
+			radeon_agp_disable(rdev);
+	}
+	/* initialize memory controller */
+	r = evergreen_mc_init(rdev);
+	if (r)
+		return r;
+	/* Memory manager */
+	r = radeon_bo_init(rdev);
+	if (r)
+		return r;
+#if 0
+	r = radeon_irq_kms_init(rdev);
+	if (r)
+		return r;
+
+	rdev->cp.ring_obj = NULL;
+	r600_ring_init(rdev, 1024 * 1024);
+
+	rdev->ih.ring_obj = NULL;
+	r600_ih_ring_init(rdev, 64 * 1024);
+
+	r = r600_pcie_gart_init(rdev);
+	if (r)
+		return r;
+#endif
+	rdev->accel_working = false;
+	r = evergreen_startup(rdev);
+	if (r) {
+		evergreen_suspend(rdev);
+		/*r600_wb_fini(rdev);*/
+		/*radeon_ring_fini(rdev);*/
+		/*evergreen_pcie_gart_fini(rdev);*/
+		rdev->accel_working = false;
+	}
+	if (rdev->accel_working) {
+		r = radeon_ib_pool_init(rdev);
+		if (r) {
+			DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
+			rdev->accel_working = false;
+		}
+		r = r600_ib_test(rdev);
+		if (r) {
+			DRM_ERROR("radeon: failed testing IB (%d).\n", r);
+			rdev->accel_working = false;
+		}
+	}
+	return 0;
+}
+
+void evergreen_fini(struct radeon_device *rdev)
+{
+	radeon_pm_fini(rdev);
+	evergreen_suspend(rdev);
+#if 0
+	r600_blit_fini(rdev);
+	r600_irq_fini(rdev);
+	radeon_irq_kms_fini(rdev);
+	radeon_ring_fini(rdev);
+	r600_wb_fini(rdev);
+	evergreen_pcie_gart_fini(rdev);
+#endif
+	radeon_gem_fini(rdev);
+	radeon_fence_driver_fini(rdev);
+	radeon_clocks_fini(rdev);
+	radeon_agp_fini(rdev);
+	radeon_bo_fini(rdev);
+	radeon_atombios_fini(rdev);
+	kfree(rdev->bios);
+	rdev->bios = NULL;
+	radeon_dummy_page_fini(rdev);
+}
diff --git a/drivers/gpu/drm/radeon/evergreen_reg.h b/drivers/gpu/drm/radeon/evergreen_reg.h
new file mode 100644
index 000000000000..f7c7c9643433
--- /dev/null
+++ b/drivers/gpu/drm/radeon/evergreen_reg.h
@@ -0,0 +1,176 @@
+/*
+ * Copyright 2010 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Alex Deucher
+ */
+#ifndef __EVERGREEN_REG_H__
+#define __EVERGREEN_REG_H__
+
+/* evergreen */
+#define EVERGREEN_VGA_MEMORY_BASE_ADDRESS               0x310
+#define EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH          0x324
+#define EVERGREEN_D3VGA_CONTROL                         0x3e0
+#define EVERGREEN_D4VGA_CONTROL                         0x3e4
+#define EVERGREEN_D5VGA_CONTROL                         0x3e8
+#define EVERGREEN_D6VGA_CONTROL                         0x3ec
+
+#define EVERGREEN_P1PLL_SS_CNTL                         0x414
+#define EVERGREEN_P2PLL_SS_CNTL                         0x454
+#       define EVERGREEN_PxPLL_SS_EN                    (1 << 12)
+/* GRPH blocks at 0x6800, 0x7400, 0x10000, 0x10c00, 0x11800, 0x12400 */
+#define EVERGREEN_GRPH_ENABLE                           0x6800
+#define EVERGREEN_GRPH_CONTROL                          0x6804
+#       define EVERGREEN_GRPH_DEPTH(x)                  (((x) & 0x3) << 0)
+#       define EVERGREEN_GRPH_DEPTH_8BPP                0
+#       define EVERGREEN_GRPH_DEPTH_16BPP               1
+#       define EVERGREEN_GRPH_DEPTH_32BPP               2
+#       define EVERGREEN_GRPH_FORMAT(x)                 (((x) & 0x7) << 8)
+/* 8 BPP */
+#       define EVERGREEN_GRPH_FORMAT_INDEXED            0
+/* 16 BPP */
+#       define EVERGREEN_GRPH_FORMAT_ARGB1555           0
+#       define EVERGREEN_GRPH_FORMAT_ARGB565            1
+#       define EVERGREEN_GRPH_FORMAT_ARGB4444           2
+#       define EVERGREEN_GRPH_FORMAT_AI88               3
+#       define EVERGREEN_GRPH_FORMAT_MONO16             4
+#       define EVERGREEN_GRPH_FORMAT_BGRA5551           5
+/* 32 BPP */
+#       define EVERGREEN_GRPH_FORMAT_ARGB8888           0
+#       define EVERGREEN_GRPH_FORMAT_ARGB2101010        1
+#       define EVERGREEN_GRPH_FORMAT_32BPP_DIG          2
+#       define EVERGREEN_GRPH_FORMAT_8B_ARGB2101010     3
+#       define EVERGREEN_GRPH_FORMAT_BGRA1010102        4
+#       define EVERGREEN_GRPH_FORMAT_8B_BGRA1010102     5
+#       define EVERGREEN_GRPH_FORMAT_RGB111110          6
+#       define EVERGREEN_GRPH_FORMAT_BGR101111          7
+#define EVERGREEN_GRPH_SWAP_CONTROL                     0x680c
+#       define EVERGREEN_GRPH_ENDIAN_SWAP(x)            (((x) & 0x3) << 0)
+#       define EVERGREEN_GRPH_ENDIAN_NONE               0
+#       define EVERGREEN_GRPH_ENDIAN_8IN16              1
+#       define EVERGREEN_GRPH_ENDIAN_8IN32              2
+#       define EVERGREEN_GRPH_ENDIAN_8IN64              3
+#       define EVERGREEN_GRPH_RED_CROSSBAR(x)           (((x) & 0x3) << 4)
+#       define EVERGREEN_GRPH_RED_SEL_R                 0
+#       define EVERGREEN_GRPH_RED_SEL_G                 1
+#       define EVERGREEN_GRPH_RED_SEL_B                 2
+#       define EVERGREEN_GRPH_RED_SEL_A                 3
+#       define EVERGREEN_GRPH_GREEN_CROSSBAR(x)         (((x) & 0x3) << 6)
+#       define EVERGREEN_GRPH_GREEN_SEL_G               0
+#       define EVERGREEN_GRPH_GREEN_SEL_B               1
+#       define EVERGREEN_GRPH_GREEN_SEL_A               2
+#       define EVERGREEN_GRPH_GREEN_SEL_R               3
+#       define EVERGREEN_GRPH_BLUE_CROSSBAR(x)          (((x) & 0x3) << 8)
+#       define EVERGREEN_GRPH_BLUE_SEL_B                0
+#       define EVERGREEN_GRPH_BLUE_SEL_A                1
+#       define EVERGREEN_GRPH_BLUE_SEL_R                2
+#       define EVERGREEN_GRPH_BLUE_SEL_G                3
+#       define EVERGREEN_GRPH_ALPHA_CROSSBAR(x)         (((x) & 0x3) << 10)
+#       define EVERGREEN_GRPH_ALPHA_SEL_A               0
+#       define EVERGREEN_GRPH_ALPHA_SEL_R               1
+#       define EVERGREEN_GRPH_ALPHA_SEL_G               2
+#       define EVERGREEN_GRPH_ALPHA_SEL_B               3
+#define EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS          0x6810
+#define EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS        0x6814
+#       define EVERGREEN_GRPH_DFQ_ENABLE                (1 << 0)
+#       define EVERGREEN_GRPH_SURFACE_ADDRESS_MASK      0xffffff00
+#define EVERGREEN_GRPH_PITCH                            0x6818
+#define EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH     0x681c
+#define EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH   0x6820
+#define EVERGREEN_GRPH_SURFACE_OFFSET_X                 0x6824
+#define EVERGREEN_GRPH_SURFACE_OFFSET_Y                 0x6828
+#define EVERGREEN_GRPH_X_START                          0x682c
+#define EVERGREEN_GRPH_Y_START                          0x6830
+#define EVERGREEN_GRPH_X_END                            0x6834
+#define EVERGREEN_GRPH_Y_END                            0x6838
+
+/* CUR blocks at 0x6998, 0x7598, 0x10198, 0x10d98, 0x11998, 0x12598 */
+#define EVERGREEN_CUR_CONTROL                           0x6998
+#       define EVERGREEN_CURSOR_EN                      (1 << 0)
+#       define EVERGREEN_CURSOR_MODE(x)                 (((x) & 0x3) << 8)
+#       define EVERGREEN_CURSOR_MONO                    0
+#       define EVERGREEN_CURSOR_24_1                    1
+#       define EVERGREEN_CURSOR_24_8_PRE_MULT           2
+#       define EVERGREEN_CURSOR_24_8_UNPRE_MULT         3
+#       define EVERGREEN_CURSOR_2X_MAGNIFY              (1 << 16)
+#       define EVERGREEN_CURSOR_FORCE_MC_ON             (1 << 20)
+#       define EVERGREEN_CURSOR_URGENT_CONTROL(x)       (((x) & 0x7) << 24)
+#       define EVERGREEN_CURSOR_URGENT_ALWAYS           0
+#       define EVERGREEN_CURSOR_URGENT_1_8              1
+#       define EVERGREEN_CURSOR_URGENT_1_4              2
+#       define EVERGREEN_CURSOR_URGENT_3_8              3
+#       define EVERGREEN_CURSOR_URGENT_1_2              4
+#define EVERGREEN_CUR_SURFACE_ADDRESS                   0x699c
+#       define EVERGREEN_CUR_SURFACE_ADDRESS_MASK       0xfffff000
+#define EVERGREEN_CUR_SIZE                              0x69a0
+#define EVERGREEN_CUR_SURFACE_ADDRESS_HIGH              0x69a4
+#define EVERGREEN_CUR_POSITION                          0x69a8
+#define EVERGREEN_CUR_HOT_SPOT                          0x69ac
+#define EVERGREEN_CUR_COLOR1                            0x69b0
+#define EVERGREEN_CUR_COLOR2                            0x69b4
+#define EVERGREEN_CUR_UPDATE                            0x69b8
+#       define EVERGREEN_CURSOR_UPDATE_PENDING          (1 << 0)
+#       define EVERGREEN_CURSOR_UPDATE_TAKEN            (1 << 1)
+#       define EVERGREEN_CURSOR_UPDATE_LOCK             (1 << 16)
+#       define EVERGREEN_CURSOR_DISABLE_MULTIPLE_UPDATE (1 << 24)
+
+/* LUT blocks at 0x69e0, 0x75e0, 0x101e0, 0x10de0, 0x119e0, 0x125e0 */
+#define EVERGREEN_DC_LUT_RW_MODE                        0x69e0
+#define EVERGREEN_DC_LUT_RW_INDEX                       0x69e4
+#define EVERGREEN_DC_LUT_SEQ_COLOR                      0x69e8
+#define EVERGREEN_DC_LUT_PWL_DATA                       0x69ec
+#define EVERGREEN_DC_LUT_30_COLOR                       0x69f0
+#define EVERGREEN_DC_LUT_VGA_ACCESS_ENABLE              0x69f4
+#define EVERGREEN_DC_LUT_WRITE_EN_MASK                  0x69f8
+#define EVERGREEN_DC_LUT_AUTOFILL                       0x69fc
+#define EVERGREEN_DC_LUT_CONTROL                        0x6a00
+#define EVERGREEN_DC_LUT_BLACK_OFFSET_BLUE              0x6a04
+#define EVERGREEN_DC_LUT_BLACK_OFFSET_GREEN             0x6a08
+#define EVERGREEN_DC_LUT_BLACK_OFFSET_RED               0x6a0c
+#define EVERGREEN_DC_LUT_WHITE_OFFSET_BLUE              0x6a10
+#define EVERGREEN_DC_LUT_WHITE_OFFSET_GREEN             0x6a14
+#define EVERGREEN_DC_LUT_WHITE_OFFSET_RED               0x6a18
+
+#define EVERGREEN_DATA_FORMAT                           0x6b00
+#       define EVERGREEN_INTERLEAVE_EN                  (1 << 0)
+#define EVERGREEN_DESKTOP_HEIGHT                        0x6b04
+
+#define EVERGREEN_VIEWPORT_START                        0x6d70
+#define EVERGREEN_VIEWPORT_SIZE                         0x6d74
+
+/* display controller offsets used for crtc/cur/lut/grph/viewport/etc. */
+#define EVERGREEN_CRTC0_REGISTER_OFFSET                 (0x6df0 - 0x6df0)
+#define EVERGREEN_CRTC1_REGISTER_OFFSET                 (0x79f0 - 0x6df0)
+#define EVERGREEN_CRTC2_REGISTER_OFFSET                 (0x105f0 - 0x6df0)
+#define EVERGREEN_CRTC3_REGISTER_OFFSET                 (0x111f0 - 0x6df0)
+#define EVERGREEN_CRTC4_REGISTER_OFFSET                 (0x11df0 - 0x6df0)
+#define EVERGREEN_CRTC5_REGISTER_OFFSET                 (0x129f0 - 0x6df0)
+
+/* CRTC blocks at 0x6df0, 0x79f0, 0x105f0, 0x111f0, 0x11df0, 0x129f0 */
+#define EVERGREEN_CRTC_CONTROL                          0x6e70
+#       define EVERGREEN_CRTC_MASTER_EN                 (1 << 0)
+#define EVERGREEN_CRTC_UPDATE_LOCK                      0x6ed4
+
+#define EVERGREEN_DC_GPIO_HPD_MASK                      0x64b0
+#define EVERGREEN_DC_GPIO_HPD_A                         0x64b4
+#define EVERGREEN_DC_GPIO_HPD_EN                        0x64b8
+#define EVERGREEN_DC_GPIO_HPD_Y                         0x64bc
+
+#endif
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index c0d4650cdb79..3ae51ada1abf 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -31,6 +31,7 @@
 #include "radeon_drm.h"
 #include "radeon_reg.h"
 #include "radeon.h"
+#include "radeon_asic.h"
 #include "r100d.h"
 #include "rs100d.h"
 #include "rv200d.h"
@@ -197,13 +198,13 @@ int r100_pci_gart_enable(struct radeon_device *rdev)
 {
 	uint32_t tmp;
 
+	radeon_gart_restore(rdev);
 	/* discard memory request outside of configured range */
 	tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS;
 	WREG32(RADEON_AIC_CNTL, tmp);
 	/* set address range for PCI address translate */
-	WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_location);
-	tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
-	WREG32(RADEON_AIC_HI_ADDR, tmp);
+	WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_start);
+	WREG32(RADEON_AIC_HI_ADDR, rdev->mc.gtt_end);
 	/* set PCI GART page-table base address */
 	WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr);
 	tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN;
@@ -235,9 +236,9 @@ int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
 
 void r100_pci_gart_fini(struct radeon_device *rdev)
 {
+	radeon_gart_fini(rdev);
 	r100_pci_gart_disable(rdev);
 	radeon_gart_table_ram_free(rdev);
-	radeon_gart_fini(rdev);
 }
 
 int r100_irq_set(struct radeon_device *rdev)
@@ -312,9 +313,13 @@ int r100_irq_process(struct radeon_device *rdev)
 		/* Vertical blank interrupts */
 		if (status & RADEON_CRTC_VBLANK_STAT) {
 			drm_handle_vblank(rdev->ddev, 0);
+			rdev->pm.vblank_sync = true;
+			wake_up(&rdev->irq.vblank_queue);
 		}
 		if (status & RADEON_CRTC2_VBLANK_STAT) {
 			drm_handle_vblank(rdev->ddev, 1);
+			rdev->pm.vblank_sync = true;
+			wake_up(&rdev->irq.vblank_queue);
 		}
 		if (status & RADEON_FP_DETECT_STAT) {
 			queue_hotplug = true;
@@ -366,8 +371,8 @@ void r100_fence_ring_emit(struct radeon_device *rdev,
 	radeon_ring_write(rdev, PACKET0(RADEON_RB3D_ZCACHE_CTLSTAT, 0));
 	radeon_ring_write(rdev, RADEON_RB3D_ZC_FLUSH_ALL);
 	/* Wait until IDLE & CLEAN */
-	radeon_ring_write(rdev, PACKET0(0x1720, 0));
-	radeon_ring_write(rdev, (1 << 16) | (1 << 17));
+	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
+	radeon_ring_write(rdev, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
 	radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 	radeon_ring_write(rdev, rdev->config.r100.hdp_cntl |
 				RADEON_HDP_READ_BUFFER_INVALIDATE);
@@ -739,6 +744,8 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
 	udelay(10);
 	rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
 	rdev->cp.wptr = RREG32(RADEON_CP_RB_WPTR);
+	/* protect against crazy HW on resume */
+	rdev->cp.wptr &= rdev->cp.ptr_mask;
 	/* Set cp mode to bus mastering & enable cp*/
 	WREG32(RADEON_CP_CSQ_MODE,
 	       REG_SET(RADEON_INDIRECT2_START, indirect2_start) |
@@ -1701,7 +1708,7 @@ int r100_gui_wait_for_idle(struct radeon_device *rdev)
 	}
 	for (i = 0; i < rdev->usec_timeout; i++) {
 		tmp = RREG32(RADEON_RBBM_STATUS);
-		if (!(tmp & (1 << 31))) {
+		if (!(tmp & RADEON_RBBM_ACTIVE)) {
 			return 0;
 		}
 		DRM_UDELAY(1);
@@ -1716,8 +1723,8 @@ int r100_mc_wait_for_idle(struct radeon_device *rdev)
 
 	for (i = 0; i < rdev->usec_timeout; i++) {
 		/* read MC_STATUS */
-		tmp = RREG32(0x0150);
-		if (tmp & (1 << 2)) {
+		tmp = RREG32(RADEON_MC_STATUS);
+		if (tmp & RADEON_MC_IDLE) {
 			return 0;
 		}
 		DRM_UDELAY(1);
@@ -1790,7 +1797,7 @@ int r100_gpu_reset(struct radeon_device *rdev)
 	}
 	/* Check if GPU is idle */
 	status = RREG32(RADEON_RBBM_STATUS);
-	if (status & (1 << 31)) {
+	if (status & RADEON_RBBM_ACTIVE) {
 		DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
 		return -1;
 	}
@@ -1800,6 +1807,10 @@ int r100_gpu_reset(struct radeon_device *rdev)
 
 void r100_set_common_regs(struct radeon_device *rdev)
 {
+	struct drm_device *dev = rdev->ddev;
+	bool force_dac2 = false;
+	u32 tmp;
+
 	/* set these so they don't interfere with anything */
 	WREG32(RADEON_OV0_SCALE_CNTL, 0);
 	WREG32(RADEON_SUBPIC_CNTL, 0);
@@ -1808,6 +1819,74 @@ void r100_set_common_regs(struct radeon_device *rdev)
 	WREG32(RADEON_DVI_I2C_CNTL_1, 0);
 	WREG32(RADEON_CAP0_TRIG_CNTL, 0);
 	WREG32(RADEON_CAP1_TRIG_CNTL, 0);
+
+	/* always set up dac2 on rn50 and some rv100 as lots
+	 * of servers seem to wire it up to a VGA port but
+	 * don't report it in the bios connector
+	 * table.
+	 */
+	switch (dev->pdev->device) {
+		/* RN50 */
+	case 0x515e:
+	case 0x5969:
+		force_dac2 = true;
+		break;
+		/* RV100*/
+	case 0x5159:
+	case 0x515a:
+		/* DELL triple head servers */
+		if ((dev->pdev->subsystem_vendor == 0x1028 /* DELL */) &&
+		    ((dev->pdev->subsystem_device == 0x016c) ||
+		     (dev->pdev->subsystem_device == 0x016d) ||
+		     (dev->pdev->subsystem_device == 0x016e) ||
+		     (dev->pdev->subsystem_device == 0x016f) ||
+		     (dev->pdev->subsystem_device == 0x0170) ||
+		     (dev->pdev->subsystem_device == 0x017d) ||
+		     (dev->pdev->subsystem_device == 0x017e) ||
+		     (dev->pdev->subsystem_device == 0x0183) ||
+		     (dev->pdev->subsystem_device == 0x018a) ||
+		     (dev->pdev->subsystem_device == 0x019a)))
+			force_dac2 = true;
+		break;
+	}
+
+	if (force_dac2) {
+		u32 disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
+		u32 tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
+		u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
+
+		/* For CRT on DAC2, don't turn it on if BIOS didn't
+		   enable it, even it's detected.
+		*/
+
+		/* force it to crtc0 */
+		dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
+		dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
+		disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
+
+		/* set up the TV DAC */
+		tv_dac_cntl &= ~(RADEON_TV_DAC_PEDESTAL |
+				 RADEON_TV_DAC_STD_MASK |
+				 RADEON_TV_DAC_RDACPD |
+				 RADEON_TV_DAC_GDACPD |
+				 RADEON_TV_DAC_BDACPD |
+				 RADEON_TV_DAC_BGADJ_MASK |
+				 RADEON_TV_DAC_DACADJ_MASK);
+		tv_dac_cntl |= (RADEON_TV_DAC_NBLANK |
+				RADEON_TV_DAC_NHOLD |
+				RADEON_TV_DAC_STD_PS2 |
+				(0x58 << 16));
+
+		WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
+		WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
+		WREG32(RADEON_DAC_CNTL2, dac2_cntl);
+	}
+
+	/* switch PM block to ACPI mode */
+	tmp = RREG32_PLL(RADEON_PLL_PWRMGT_CNTL);
+	tmp &= ~RADEON_PM_MODE_SEL;
+	WREG32_PLL(RADEON_PLL_PWRMGT_CNTL, tmp);
+
 }
 
 /*
@@ -1889,17 +1968,20 @@ static u32 r100_get_accessible_vram(struct radeon_device *rdev)
 void r100_vram_init_sizes(struct radeon_device *rdev)
 {
 	u64 config_aper_size;
-	u32 accessible;
 
+	/* work out accessible VRAM */
+	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
+	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+	rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
+	/* FIXME we don't use the second aperture yet when we could use it */
+	if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
+		rdev->mc.visible_vram_size = rdev->mc.aper_size;
 	config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
-
 	if (rdev->flags & RADEON_IS_IGP) {
 		uint32_t tom;
 		/* read NB_TOM to get the amount of ram stolen for the GPU */
 		tom = RREG32(RADEON_NB_TOM);
 		rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16);
-		/* for IGPs we need to keep VRAM where it was put by the BIOS */
-		rdev->mc.vram_location = (tom & 0xffff) << 16;
 		WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
 		rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
 	} else {
@@ -1911,30 +1993,19 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
 			rdev->mc.real_vram_size = 8192 * 1024;
 			WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
 		}
-		/* let driver place VRAM */
-		rdev->mc.vram_location = 0xFFFFFFFFUL;
-		 /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM - 
-		  * Novell bug 204882 + along with lots of ubuntu ones */
+		/* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM - 
+		 * Novell bug 204882 + along with lots of ubuntu ones
+		 */
 		if (config_aper_size > rdev->mc.real_vram_size)
 			rdev->mc.mc_vram_size = config_aper_size;
 		else
 			rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
 	}
-
-	/* work out accessible VRAM */
-	accessible = r100_get_accessible_vram(rdev);
-
-	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
-	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
-
-	if (accessible > rdev->mc.aper_size)
-		accessible = rdev->mc.aper_size;
-
-	if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
+	/* FIXME remove this once we support unmappable VRAM */
+	if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
 		rdev->mc.mc_vram_size = rdev->mc.aper_size;
-
-	if (rdev->mc.real_vram_size > rdev->mc.aper_size)
 		rdev->mc.real_vram_size = rdev->mc.aper_size;
+	}
 }
 
 void r100_vga_set_state(struct radeon_device *rdev, bool state)
@@ -1951,11 +2022,19 @@ void r100_vga_set_state(struct radeon_device *rdev, bool state)
 	WREG32(RADEON_CONFIG_CNTL, temp);
 }
 
-void r100_vram_info(struct radeon_device *rdev)
+void r100_mc_init(struct radeon_device *rdev)
 {
-	r100_vram_get_type(rdev);
+	u64 base;
 
+	r100_vram_get_type(rdev);
 	r100_vram_init_sizes(rdev);
+	base = rdev->mc.aper_base;
+	if (rdev->flags & RADEON_IS_IGP)
+		base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
+	radeon_vram_location(rdev, &rdev->mc, base);
+	if (!(rdev->flags & RADEON_IS_AGP))
+		radeon_gtt_location(rdev, &rdev->mc);
+	radeon_update_bandwidth_info(rdev);
 }
 
 
@@ -2319,6 +2398,8 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 	uint32_t pixel_bytes1 = 0;
 	uint32_t pixel_bytes2 = 0;
 
+	radeon_update_display_priority(rdev);
+
 	if (rdev->mode_info.crtcs[0]->base.enabled) {
 		mode1 = &rdev->mode_info.crtcs[0]->base.mode;
 		pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8;
@@ -2347,11 +2428,8 @@ void r100_bandwidth_update(struct radeon_device *rdev)
 	/*
 	 * determine is there is enough bw for current mode
 	 */
-	mclk_ff.full = rfixed_const(rdev->clock.default_mclk);
-	temp_ff.full = rfixed_const(100);
-	mclk_ff.full = rfixed_div(mclk_ff, temp_ff);
-	sclk_ff.full = rfixed_const(rdev->clock.default_sclk);
-	sclk_ff.full = rfixed_div(sclk_ff, temp_ff);
+	sclk_ff = rdev->pm.sclk;
+	mclk_ff = rdev->pm.mclk;
 
 	temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1);
 	temp_ff.full = rfixed_const(temp);
@@ -3226,10 +3304,9 @@ void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save)
 void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save)
 {
 	/* Update base address for crtc */
-	WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_location);
+	WREG32(R_00023C_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
 	if (!(rdev->flags & RADEON_SINGLE_CRTC)) {
-		WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR,
-				rdev->mc.vram_location);
+		WREG32(R_00033C_CRTC2_DISPLAY_BASE_ADDR, rdev->mc.vram_start);
 	}
 	/* Restore CRTC registers */
 	WREG8(R_0003C2_GENMO_WT, save->GENMO_WT);
@@ -3375,6 +3452,7 @@ int r100_suspend(struct radeon_device *rdev)
 
 void r100_fini(struct radeon_device *rdev)
 {
+	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -3390,32 +3468,6 @@ void r100_fini(struct radeon_device *rdev)
 	rdev->bios = NULL;
 }
 
-int r100_mc_init(struct radeon_device *rdev)
-{
-	int r;
-	u32 tmp;
-
-	/* Setup GPU memory space */
-	rdev->mc.vram_location = 0xFFFFFFFFUL;
-	rdev->mc.gtt_location = 0xFFFFFFFFUL;
-	if (rdev->flags & RADEON_IS_IGP) {
-		tmp = G_00015C_MC_FB_START(RREG32(R_00015C_NB_TOM));
-		rdev->mc.vram_location = tmp << 16;
-	}
-	if (rdev->flags & RADEON_IS_AGP) {
-		r = radeon_agp_init(rdev);
-		if (r) {
-			radeon_agp_disable(rdev);
-		} else {
-			rdev->mc.gtt_location = rdev->mc.agp_base;
-		}
-	}
-	r = radeon_mc_setup(rdev);
-	if (r)
-		return r;
-	return 0;
-}
-
 int r100_init(struct radeon_device *rdev)
 {
 	int r;
@@ -3458,12 +3510,15 @@ int r100_init(struct radeon_device *rdev)
 	radeon_get_clock_info(rdev->ddev);
 	/* Initialize power management */
 	radeon_pm_init(rdev);
-	/* Get vram informations */
-	r100_vram_info(rdev);
-	/* Initialize memory controller (also test AGP) */
-	r = r100_mc_init(rdev);
-	if (r)
-		return r;
+	/* initialize AGP */
+	if (rdev->flags & RADEON_IS_AGP) {
+		r = radeon_agp_init(rdev);
+		if (r) {
+			radeon_agp_disable(rdev);
+		}
+	}
+	/* initialize VRAM */
+	r100_mc_init(rdev);
 	/* Fence driver */
 	r = radeon_fence_driver_init(rdev);
 	if (r)
diff --git a/drivers/gpu/drm/radeon/r200.c b/drivers/gpu/drm/radeon/r200.c
index ff1e0cd608bf..85617c311212 100644
--- a/drivers/gpu/drm/radeon/r200.c
+++ b/drivers/gpu/drm/radeon/r200.c
@@ -30,7 +30,9 @@
 #include "radeon_drm.h"
 #include "radeon_reg.h"
 #include "radeon.h"
+#include "radeon_asic.h"
 
+#include "r100d.h"
 #include "r200_reg_safe.h"
 
 #include "r100_track.h"
@@ -79,6 +81,51 @@ static int r200_get_vtx_size_0(uint32_t vtx_fmt_0)
 	return vtx_size;
 }
 
+int r200_copy_dma(struct radeon_device *rdev,
+		  uint64_t src_offset,
+		  uint64_t dst_offset,
+		  unsigned num_pages,
+		  struct radeon_fence *fence)
+{
+	uint32_t size;
+	uint32_t cur_size;
+	int i, num_loops;
+	int r = 0;
+
+	/* radeon pitch is /64 */
+	size = num_pages << PAGE_SHIFT;
+	num_loops = DIV_ROUND_UP(size, 0x1FFFFF);
+	r = radeon_ring_lock(rdev, num_loops * 4 + 64);
+	if (r) {
+		DRM_ERROR("radeon: moving bo (%d).\n", r);
+		return r;
+	}
+	/* Must wait for 2D idle & clean before DMA or hangs might happen */
+	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
+	radeon_ring_write(rdev, (1 << 16));
+	for (i = 0; i < num_loops; i++) {
+		cur_size = size;
+		if (cur_size > 0x1FFFFF) {
+			cur_size = 0x1FFFFF;
+		}
+		size -= cur_size;
+		radeon_ring_write(rdev, PACKET0(0x720, 2));
+		radeon_ring_write(rdev, src_offset);
+		radeon_ring_write(rdev, dst_offset);
+		radeon_ring_write(rdev, cur_size | (1 << 31) | (1 << 30));
+		src_offset += cur_size;
+		dst_offset += cur_size;
+	}
+	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
+	radeon_ring_write(rdev, RADEON_WAIT_DMA_GUI_IDLE);
+	if (fence) {
+		r = radeon_fence_emit(rdev, fence);
+	}
+	radeon_ring_unlock_commit(rdev);
+	return r;
+}
+
+
 static int r200_get_vtx_size_1(uint32_t vtx_fmt_1)
 {
 	int vtx_size, i, tex_size;
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 43b55a030b4d..1023eeb65872 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -30,6 +30,7 @@
 #include "drm.h"
 #include "radeon_reg.h"
 #include "radeon.h"
+#include "radeon_asic.h"
 #include "radeon_drm.h"
 #include "r100_track.h"
 #include "r300d.h"
@@ -117,18 +118,19 @@ int rv370_pcie_gart_enable(struct radeon_device *rdev)
 	r = radeon_gart_table_vram_pin(rdev);
 	if (r)
 		return r;
+	radeon_gart_restore(rdev);
 	/* discard memory request outside of configured range */
 	tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
 	WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
-	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_location);
-	tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - RADEON_GPU_PAGE_SIZE;
+	WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_start);
+	tmp = rdev->mc.gtt_end & ~RADEON_GPU_PAGE_MASK;
 	WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
 	WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
 	WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
 	table_addr = rdev->gart.table_addr;
 	WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
 	/* FIXME: setup default page */
-	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_location);
+	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_start);
 	WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
 	/* Clear error */
 	WREG32_PCIE(0x18, 0);
@@ -163,9 +165,9 @@ void rv370_pcie_gart_disable(struct radeon_device *rdev)
 
 void rv370_pcie_gart_fini(struct radeon_device *rdev)
 {
+	radeon_gart_fini(rdev);
 	rv370_pcie_gart_disable(rdev);
 	radeon_gart_table_vram_free(rdev);
-	radeon_gart_fini(rdev);
 }
 
 void r300_fence_ring_emit(struct radeon_device *rdev,
@@ -174,18 +176,20 @@ void r300_fence_ring_emit(struct radeon_device *rdev,
 	/* Who ever call radeon_fence_emit should call ring_lock and ask
 	 * for enough space (today caller are ib schedule and buffer move) */
 	/* Write SC register so SC & US assert idle */
-	radeon_ring_write(rdev, PACKET0(0x43E0, 0));
+	radeon_ring_write(rdev, PACKET0(R300_RE_SCISSORS_TL, 0));
 	radeon_ring_write(rdev, 0);
-	radeon_ring_write(rdev, PACKET0(0x43E4, 0));
+	radeon_ring_write(rdev, PACKET0(R300_RE_SCISSORS_BR, 0));
 	radeon_ring_write(rdev, 0);
 	/* Flush 3D cache */
-	radeon_ring_write(rdev, PACKET0(0x4E4C, 0));
-	radeon_ring_write(rdev, (2 << 0));
-	radeon_ring_write(rdev, PACKET0(0x4F18, 0));
-	radeon_ring_write(rdev, (1 << 0));
+	radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
+	radeon_ring_write(rdev, R300_RB3D_DC_FLUSH);
+	radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
+	radeon_ring_write(rdev, R300_ZC_FLUSH);
 	/* Wait until IDLE & CLEAN */
-	radeon_ring_write(rdev, PACKET0(0x1720, 0));
-	radeon_ring_write(rdev, (1 << 17) | (1 << 16)  | (1 << 9));
+	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
+	radeon_ring_write(rdev, (RADEON_WAIT_3D_IDLECLEAN |
+				 RADEON_WAIT_2D_IDLECLEAN |
+				 RADEON_WAIT_DMA_GUI_IDLE));
 	radeon_ring_write(rdev, PACKET0(RADEON_HOST_PATH_CNTL, 0));
 	radeon_ring_write(rdev, rdev->config.r300.hdp_cntl |
 				RADEON_HDP_READ_BUFFER_INVALIDATE);
@@ -198,50 +202,6 @@ void r300_fence_ring_emit(struct radeon_device *rdev,
 	radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
 }
 
-int r300_copy_dma(struct radeon_device *rdev,
-		  uint64_t src_offset,
-		  uint64_t dst_offset,
-		  unsigned num_pages,
-		  struct radeon_fence *fence)
-{
-	uint32_t size;
-	uint32_t cur_size;
-	int i, num_loops;
-	int r = 0;
-
-	/* radeon pitch is /64 */
-	size = num_pages << PAGE_SHIFT;
-	num_loops = DIV_ROUND_UP(size, 0x1FFFFF);
-	r = radeon_ring_lock(rdev, num_loops * 4 + 64);
-	if (r) {
-		DRM_ERROR("radeon: moving bo (%d).\n", r);
-		return r;
-	}
-	/* Must wait for 2D idle & clean before DMA or hangs might happen */
-	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0 ));
-	radeon_ring_write(rdev, (1 << 16));
-	for (i = 0; i < num_loops; i++) {
-		cur_size = size;
-		if (cur_size > 0x1FFFFF) {
-			cur_size = 0x1FFFFF;
-		}
-		size -= cur_size;
-		radeon_ring_write(rdev, PACKET0(0x720, 2));
-		radeon_ring_write(rdev, src_offset);
-		radeon_ring_write(rdev, dst_offset);
-		radeon_ring_write(rdev, cur_size | (1 << 31) | (1 << 30));
-		src_offset += cur_size;
-		dst_offset += cur_size;
-	}
-	radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
-	radeon_ring_write(rdev, RADEON_WAIT_DMA_GUI_IDLE);
-	if (fence) {
-		r = radeon_fence_emit(rdev, fence);
-	}
-	radeon_ring_unlock_commit(rdev);
-	return r;
-}
-
 void r300_ring_start(struct radeon_device *rdev)
 {
 	unsigned gb_tile_config;
@@ -281,8 +241,8 @@ void r300_ring_start(struct radeon_device *rdev)
 	radeon_ring_write(rdev,
 			  RADEON_WAIT_2D_IDLECLEAN |
 			  RADEON_WAIT_3D_IDLECLEAN);
-	radeon_ring_write(rdev, PACKET0(0x170C, 0));
-	radeon_ring_write(rdev, 1 << 31);
+	radeon_ring_write(rdev, PACKET0(R300_DST_PIPE_CONFIG, 0));
+	radeon_ring_write(rdev, R300_PIPE_AUTO_CONFIG);
 	radeon_ring_write(rdev, PACKET0(R300_GB_SELECT, 0));
 	radeon_ring_write(rdev, 0);
 	radeon_ring_write(rdev, PACKET0(R300_GB_ENABLE, 0));
@@ -349,8 +309,8 @@ int r300_mc_wait_for_idle(struct radeon_device *rdev)
 
 	for (i = 0; i < rdev->usec_timeout; i++) {
 		/* read MC_STATUS */
-		tmp = RREG32(0x0150);
-		if (tmp & (1 << 4)) {
+		tmp = RREG32(RADEON_MC_STATUS);
+		if (tmp & R300_MC_IDLE) {
 			return 0;
 		}
 		DRM_UDELAY(1);
@@ -395,8 +355,8 @@ void r300_gpu_init(struct radeon_device *rdev)
 		       "programming pipes. Bad things might happen.\n");
 	}
 
-	tmp = RREG32(0x170C);
-	WREG32(0x170C, tmp | (1 << 31));
+	tmp = RREG32(R300_DST_PIPE_CONFIG);
+	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
 
 	WREG32(R300_RB2D_DSTCACHE_MODE,
 	       R300_DC_AUTOFLUSH_ENABLE |
@@ -437,8 +397,8 @@ int r300_ga_reset(struct radeon_device *rdev)
 			/* GA still busy soft reset it */
 			WREG32(0x429C, 0x200);
 			WREG32(R300_VAP_PVS_STATE_FLUSH_REG, 0);
-			WREG32(0x43E0, 0);
-			WREG32(0x43E4, 0);
+			WREG32(R300_RE_SCISSORS_TL, 0);
+			WREG32(R300_RE_SCISSORS_BR, 0);
 			WREG32(0x24AC, 0);
 		}
 		/* Wait to prevent race in RBBM_STATUS */
@@ -488,7 +448,7 @@ int r300_gpu_reset(struct radeon_device *rdev)
 	}
 	/* Check if GPU is idle */
 	status = RREG32(RADEON_RBBM_STATUS);
-	if (status & (1 << 31)) {
+	if (status & RADEON_RBBM_ACTIVE) {
 		DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
 		return -1;
 	}
@@ -500,13 +460,13 @@ int r300_gpu_reset(struct radeon_device *rdev)
 /*
  * r300,r350,rv350,rv380 VRAM info
  */
-void r300_vram_info(struct radeon_device *rdev)
+void r300_mc_init(struct radeon_device *rdev)
 {
-	uint32_t tmp;
+	u64 base;
+	u32 tmp;
 
 	/* DDR for all card after R300 & IGP */
 	rdev->mc.vram_is_ddr = true;
-
 	tmp = RREG32(RADEON_MEM_CNTL);
 	tmp &= R300_MEM_NUM_CHANNELS_MASK;
 	switch (tmp) {
@@ -515,8 +475,14 @@ void r300_vram_info(struct radeon_device *rdev)
 	case 2: rdev->mc.vram_width = 256; break;
 	default:  rdev->mc.vram_width = 128; break;
 	}
-
 	r100_vram_init_sizes(rdev);
+	base = rdev->mc.aper_base;
+	if (rdev->flags & RADEON_IS_IGP)
+		base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
+	radeon_vram_location(rdev, &rdev->mc, base);
+	if (!(rdev->flags & RADEON_IS_AGP))
+		radeon_gtt_location(rdev, &rdev->mc);
+	radeon_update_bandwidth_info(rdev);
 }
 
 void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
@@ -578,6 +544,40 @@ void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
 
 }
 
+int rv370_get_pcie_lanes(struct radeon_device *rdev)
+{
+	u32 link_width_cntl;
+
+	if (rdev->flags & RADEON_IS_IGP)
+		return 0;
+
+	if (!(rdev->flags & RADEON_IS_PCIE))
+		return 0;
+
+	/* FIXME wait for idle */
+
+	if (rdev->family < CHIP_R600)
+		link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
+	else
+		link_width_cntl = RREG32_PCIE_P(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
+
+	switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
+	case RADEON_PCIE_LC_LINK_WIDTH_X0:
+		return 0;
+	case RADEON_PCIE_LC_LINK_WIDTH_X1:
+		return 1;
+	case RADEON_PCIE_LC_LINK_WIDTH_X2:
+		return 2;
+	case RADEON_PCIE_LC_LINK_WIDTH_X4:
+		return 4;
+	case RADEON_PCIE_LC_LINK_WIDTH_X8:
+		return 8;
+	case RADEON_PCIE_LC_LINK_WIDTH_X16:
+	default:
+		return 16;
+	}
+}
+
 #if defined(CONFIG_DEBUG_FS)
 static int rv370_debugfs_pcie_gart_info(struct seq_file *m, void *data)
 {
@@ -707,6 +707,8 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
 			tile_flags |= R300_TXO_MACRO_TILE;
 		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
 			tile_flags |= R300_TXO_MICRO_TILE;
+		else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
+			tile_flags |= R300_TXO_MICRO_TILE_SQUARE;
 
 		tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
 		tmp |= tile_flags;
@@ -757,6 +759,8 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
 			tile_flags |= R300_COLOR_TILE_ENABLE;
 		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
 			tile_flags |= R300_COLOR_MICROTILE_ENABLE;
+		else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
+			tile_flags |= R300_COLOR_MICROTILE_SQUARE_ENABLE;
 
 		tmp = idx_value & ~(0x7 << 16);
 		tmp |= tile_flags;
@@ -828,7 +832,9 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
 		if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
 			tile_flags |= R300_DEPTHMACROTILE_ENABLE;
 		if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
-			tile_flags |= R300_DEPTHMICROTILE_TILED;;
+			tile_flags |= R300_DEPTHMICROTILE_TILED;
+		else if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO_SQUARE)
+			tile_flags |= R300_DEPTHMICROTILE_TILED_SQUARE;
 
 		tmp = idx_value & ~(0x7 << 16);
 		tmp |= tile_flags;
@@ -1330,6 +1336,7 @@ int r300_suspend(struct radeon_device *rdev)
 
 void r300_fini(struct radeon_device *rdev)
 {
+	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -1387,12 +1394,15 @@ int r300_init(struct radeon_device *rdev)
 	radeon_get_clock_info(rdev->ddev);
 	/* Initialize power management */
 	radeon_pm_init(rdev);
-	/* Get vram informations */
-	r300_vram_info(rdev);
-	/* Initialize memory controller (also test AGP) */
-	r = r420_mc_init(rdev);
-	if (r)
-		return r;
+	/* initialize AGP */
+	if (rdev->flags & RADEON_IS_AGP) {
+		r = radeon_agp_init(rdev);
+		if (r) {
+			radeon_agp_disable(rdev);
+		}
+	}
+	/* initialize memory controller */
+	r300_mc_init(rdev);
 	/* Fence driver */
 	r = radeon_fence_driver_init(rdev);
 	if (r)
diff --git a/drivers/gpu/drm/radeon/r300_cmdbuf.c b/drivers/gpu/drm/radeon/r300_cmdbuf.c
index 34bffa0e4b73..ea46d558e8f3 100644
--- a/drivers/gpu/drm/radeon/r300_cmdbuf.c
+++ b/drivers/gpu/drm/radeon/r300_cmdbuf.c
@@ -33,6 +33,7 @@
 
 #include "drmP.h"
 #include "drm.h"
+#include "drm_buffer.h"
 #include "radeon_drm.h"
 #include "radeon_drv.h"
 #include "r300_reg.h"
@@ -299,46 +300,42 @@ static __inline__ int r300_emit_carefully_checked_packet0(drm_radeon_private_t *
 	int reg;
 	int sz;
 	int i;
-	int values[64];
+	u32 *value;
 	RING_LOCALS;
 
 	sz = header.packet0.count;
 	reg = (header.packet0.reghi << 8) | header.packet0.reglo;
 
 	if ((sz > 64) || (sz < 0)) {
-		DRM_ERROR
-		    ("Cannot emit more than 64 values at a time (reg=%04x sz=%d)\n",
-		     reg, sz);
+		DRM_ERROR("Cannot emit more than 64 values at a time (reg=%04x sz=%d)\n",
+			 reg, sz);
 		return -EINVAL;
 	}
+
 	for (i = 0; i < sz; i++) {
-		values[i] = ((int *)cmdbuf->buf)[i];
 		switch (r300_reg_flags[(reg >> 2) + i]) {
 		case MARK_SAFE:
 			break;
 		case MARK_CHECK_OFFSET:
-			if (!radeon_check_offset(dev_priv, (u32) values[i])) {
-				DRM_ERROR
-				    ("Offset failed range check (reg=%04x sz=%d)\n",
-				     reg, sz);
+			value = drm_buffer_pointer_to_dword(cmdbuf->buffer, i);
+			if (!radeon_check_offset(dev_priv, *value)) {
+				DRM_ERROR("Offset failed range check (reg=%04x sz=%d)\n",
+					 reg, sz);
 				return -EINVAL;
 			}
 			break;
 		default:
 			DRM_ERROR("Register %04x failed check as flag=%02x\n",
-				  reg + i * 4, r300_reg_flags[(reg >> 2) + i]);
+				reg + i * 4, r300_reg_flags[(reg >> 2) + i]);
 			return -EINVAL;
 		}
 	}
 
 	BEGIN_RING(1 + sz);
 	OUT_RING(CP_PACKET0(reg, sz - 1));
-	OUT_RING_TABLE(values, sz);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz);
 	ADVANCE_RING();
 
-	cmdbuf->buf += sz * 4;
-	cmdbuf->bufsz -= sz * 4;
-
 	return 0;
 }
 
@@ -362,7 +359,7 @@ static __inline__ int r300_emit_packet0(drm_radeon_private_t *dev_priv,
 	if (!sz)
 		return 0;
 
-	if (sz * 4 > cmdbuf->bufsz)
+	if (sz * 4 > drm_buffer_unprocessed(cmdbuf->buffer))
 		return -EINVAL;
 
 	if (reg + sz * 4 >= 0x10000) {
@@ -380,12 +377,9 @@ static __inline__ int r300_emit_packet0(drm_radeon_private_t *dev_priv,
 
 	BEGIN_RING(1 + sz);
 	OUT_RING(CP_PACKET0(reg, sz - 1));
-	OUT_RING_TABLE((int *)cmdbuf->buf, sz);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz);
 	ADVANCE_RING();
 
-	cmdbuf->buf += sz * 4;
-	cmdbuf->bufsz -= sz * 4;
-
 	return 0;
 }
 
@@ -407,7 +401,7 @@ static __inline__ int r300_emit_vpu(drm_radeon_private_t *dev_priv,
 
 	if (!sz)
 		return 0;
-	if (sz * 16 > cmdbuf->bufsz)
+	if (sz * 16 > drm_buffer_unprocessed(cmdbuf->buffer))
 		return -EINVAL;
 
 	/* VAP is very sensitive so we purge cache before we program it
@@ -426,7 +420,7 @@ static __inline__ int r300_emit_vpu(drm_radeon_private_t *dev_priv,
 	BEGIN_RING(3 + sz * 4);
 	OUT_RING_REG(R300_VAP_PVS_UPLOAD_ADDRESS, addr);
 	OUT_RING(CP_PACKET0_TABLE(R300_VAP_PVS_UPLOAD_DATA, sz * 4 - 1));
-	OUT_RING_TABLE((int *)cmdbuf->buf, sz * 4);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz * 4);
 	ADVANCE_RING();
 
 	BEGIN_RING(2);
@@ -434,9 +428,6 @@ static __inline__ int r300_emit_vpu(drm_radeon_private_t *dev_priv,
 	OUT_RING(0);
 	ADVANCE_RING();
 
-	cmdbuf->buf += sz * 16;
-	cmdbuf->bufsz -= sz * 16;
-
 	return 0;
 }
 
@@ -449,14 +440,14 @@ static __inline__ int r300_emit_clear(drm_radeon_private_t *dev_priv,
 {
 	RING_LOCALS;
 
-	if (8 * 4 > cmdbuf->bufsz)
+	if (8 * 4 > drm_buffer_unprocessed(cmdbuf->buffer))
 		return -EINVAL;
 
 	BEGIN_RING(10);
 	OUT_RING(CP_PACKET3(R200_3D_DRAW_IMMD_2, 8));
 	OUT_RING(R300_PRIM_TYPE_POINT | R300_PRIM_WALK_RING |
 		 (1 << R300_PRIM_NUM_VERTICES_SHIFT));
-	OUT_RING_TABLE((int *)cmdbuf->buf, 8);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, 8);
 	ADVANCE_RING();
 
 	BEGIN_RING(4);
@@ -468,9 +459,6 @@ static __inline__ int r300_emit_clear(drm_radeon_private_t *dev_priv,
 	/* set flush flag */
 	dev_priv->track_flush |= RADEON_FLUSH_EMITED;
 
-	cmdbuf->buf += 8 * 4;
-	cmdbuf->bufsz -= 8 * 4;
-
 	return 0;
 }
 
@@ -480,28 +468,29 @@ static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv,
 {
 	int count, i, k;
 #define MAX_ARRAY_PACKET  64
-	u32 payload[MAX_ARRAY_PACKET];
+	u32 *data;
 	u32 narrays;
 	RING_LOCALS;
 
-	count = (header >> 16) & 0x3fff;
+	count = (header & RADEON_CP_PACKET_COUNT_MASK) >> 16;
 
 	if ((count + 1) > MAX_ARRAY_PACKET) {
 		DRM_ERROR("Too large payload in 3D_LOAD_VBPNTR (count=%d)\n",
 			  count);
 		return -EINVAL;
 	}
-	memset(payload, 0, MAX_ARRAY_PACKET * 4);
-	memcpy(payload, cmdbuf->buf + 4, (count + 1) * 4);
-
 	/* carefully check packet contents */
 
-	narrays = payload[0];
+	/* We have already read the header so advance the buffer. */
+	drm_buffer_advance(cmdbuf->buffer, 4);
+
+	narrays = *(u32 *)drm_buffer_pointer_to_dword(cmdbuf->buffer, 0);
 	k = 0;
 	i = 1;
 	while ((k < narrays) && (i < (count + 1))) {
 		i++;		/* skip attribute field */
-		if (!radeon_check_offset(dev_priv, payload[i])) {
+		data = drm_buffer_pointer_to_dword(cmdbuf->buffer, i);
+		if (!radeon_check_offset(dev_priv, *data)) {
 			DRM_ERROR
 			    ("Offset failed range check (k=%d i=%d) while processing 3D_LOAD_VBPNTR packet.\n",
 			     k, i);
@@ -512,7 +501,8 @@ static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv,
 		if (k == narrays)
 			break;
 		/* have one more to process, they come in pairs */
-		if (!radeon_check_offset(dev_priv, payload[i])) {
+		data = drm_buffer_pointer_to_dword(cmdbuf->buffer, i);
+		if (!radeon_check_offset(dev_priv, *data)) {
 			DRM_ERROR
 			    ("Offset failed range check (k=%d i=%d) while processing 3D_LOAD_VBPNTR packet.\n",
 			     k, i);
@@ -533,30 +523,30 @@ static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv,
 
 	BEGIN_RING(count + 2);
 	OUT_RING(header);
-	OUT_RING_TABLE(payload, count + 1);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, count + 1);
 	ADVANCE_RING();
 
-	cmdbuf->buf += (count + 2) * 4;
-	cmdbuf->bufsz -= (count + 2) * 4;
-
 	return 0;
 }
 
 static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv,
 					     drm_radeon_kcmd_buffer_t *cmdbuf)
 {
-	u32 *cmd = (u32 *) cmdbuf->buf;
+	u32 *cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0);
 	int count, ret;
 	RING_LOCALS;
 
-	count=(cmd[0]>>16) & 0x3fff;
 
-	if (cmd[0] & 0x8000) {
-		u32 offset;
+	count = (*cmd & RADEON_CP_PACKET_COUNT_MASK) >> 16;
 
-		if (cmd[1] & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL
+	if (*cmd & 0x8000) {
+		u32 offset;
+		u32 *cmd1 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 1);
+		if (*cmd1 & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL
 			      | RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
-			offset = cmd[2] << 10;
+
+			u32 *cmd2 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 2);
+			offset = *cmd2 << 10;
 			ret = !radeon_check_offset(dev_priv, offset);
 			if (ret) {
 				DRM_ERROR("Invalid bitblt first offset is %08X\n", offset);
@@ -564,9 +554,10 @@ static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv,
 			}
 		}
 
-		if ((cmd[1] & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) &&
-		    (cmd[1] & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
-			offset = cmd[3] << 10;
+		if ((*cmd1 & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) &&
+		    (*cmd1 & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
+			u32 *cmd3 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 3);
+			offset = *cmd3 << 10;
 			ret = !radeon_check_offset(dev_priv, offset);
 			if (ret) {
 				DRM_ERROR("Invalid bitblt second offset is %08X\n", offset);
@@ -577,28 +568,25 @@ static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv,
 	}
 
 	BEGIN_RING(count+2);
-	OUT_RING(cmd[0]);
-	OUT_RING_TABLE((int *)(cmdbuf->buf + 4), count + 1);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, count + 2);
 	ADVANCE_RING();
 
-	cmdbuf->buf += (count+2)*4;
-	cmdbuf->bufsz -= (count+2)*4;
-
 	return 0;
 }
 
 static __inline__ int r300_emit_draw_indx_2(drm_radeon_private_t *dev_priv,
 					    drm_radeon_kcmd_buffer_t *cmdbuf)
 {
-	u32 *cmd;
+	u32 *cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0);
+	u32 *cmd1 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 1);
 	int count;
 	int expected_count;
 	RING_LOCALS;
 
-	cmd = (u32 *) cmdbuf->buf;
-	count = (cmd[0]>>16) & 0x3fff;
-	expected_count = cmd[1] >> 16;
-	if (!(cmd[1] & R300_VAP_VF_CNTL__INDEX_SIZE_32bit))
+	count = (*cmd & RADEON_CP_PACKET_COUNT_MASK) >> 16;
+
+	expected_count = *cmd1 >> 16;
+	if (!(*cmd1 & R300_VAP_VF_CNTL__INDEX_SIZE_32bit))
 		expected_count = (expected_count+1)/2;
 
 	if (count && count != expected_count) {
@@ -608,55 +596,53 @@ static __inline__ int r300_emit_draw_indx_2(drm_radeon_private_t *dev_priv,
 	}
 
 	BEGIN_RING(count+2);
-	OUT_RING(cmd[0]);
-	OUT_RING_TABLE((int *)(cmdbuf->buf + 4), count + 1);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, count + 2);
 	ADVANCE_RING();
 
-	cmdbuf->buf += (count+2)*4;
-	cmdbuf->bufsz -= (count+2)*4;
-
 	if (!count) {
-		drm_r300_cmd_header_t header;
+		drm_r300_cmd_header_t stack_header, *header;
+		u32 *cmd1, *cmd2, *cmd3;
 
-		if (cmdbuf->bufsz < 4*4 + sizeof(header)) {
+		if (drm_buffer_unprocessed(cmdbuf->buffer)
+				< 4*4 + sizeof(stack_header)) {
 			DRM_ERROR("3D_DRAW_INDX_2: expect subsequent INDX_BUFFER, but stream is too short.\n");
 			return -EINVAL;
 		}
 
-		header.u = *(unsigned int *)cmdbuf->buf;
+		header = drm_buffer_read_object(cmdbuf->buffer,
+				sizeof(stack_header), &stack_header);
 
-		cmdbuf->buf += sizeof(header);
-		cmdbuf->bufsz -= sizeof(header);
-		cmd = (u32 *) cmdbuf->buf;
+		cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0);
+		cmd1 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 1);
+		cmd2 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 2);
+		cmd3 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 3);
 
-		if (header.header.cmd_type != R300_CMD_PACKET3 ||
-		    header.packet3.packet != R300_CMD_PACKET3_RAW ||
-		    cmd[0] != CP_PACKET3(RADEON_CP_INDX_BUFFER, 2)) {
+		if (header->header.cmd_type != R300_CMD_PACKET3 ||
+		    header->packet3.packet != R300_CMD_PACKET3_RAW ||
+		    *cmd != CP_PACKET3(RADEON_CP_INDX_BUFFER, 2)) {
 			DRM_ERROR("3D_DRAW_INDX_2: expect subsequent INDX_BUFFER.\n");
 			return -EINVAL;
 		}
 
-		if ((cmd[1] & 0x8000ffff) != 0x80000810) {
-			DRM_ERROR("Invalid indx_buffer reg address %08X\n", cmd[1]);
+		if ((*cmd1 & 0x8000ffff) != 0x80000810) {
+			DRM_ERROR("Invalid indx_buffer reg address %08X\n",
+					*cmd1);
 			return -EINVAL;
 		}
-		if (!radeon_check_offset(dev_priv, cmd[2])) {
-			DRM_ERROR("Invalid indx_buffer offset is %08X\n", cmd[2]);
+		if (!radeon_check_offset(dev_priv, *cmd2)) {
+			DRM_ERROR("Invalid indx_buffer offset is %08X\n",
+					*cmd2);
 			return -EINVAL;
 		}
-		if (cmd[3] != expected_count) {
+		if (*cmd3 != expected_count) {
 			DRM_ERROR("INDX_BUFFER: buffer size %i, expected %i\n",
-				cmd[3], expected_count);
+				*cmd3, expected_count);
 			return -EINVAL;
 		}
 
 		BEGIN_RING(4);
-		OUT_RING(cmd[0]);
-		OUT_RING_TABLE((int *)(cmdbuf->buf + 4), 3);
+		OUT_RING_DRM_BUFFER(cmdbuf->buffer, 4);
 		ADVANCE_RING();
-
-		cmdbuf->buf += 4*4;
-		cmdbuf->bufsz -= 4*4;
 	}
 
 	return 0;
@@ -665,39 +651,39 @@ static __inline__ int r300_emit_draw_indx_2(drm_radeon_private_t *dev_priv,
 static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t *dev_priv,
 					    drm_radeon_kcmd_buffer_t *cmdbuf)
 {
-	u32 header;
+	u32 *header;
 	int count;
 	RING_LOCALS;
 
-	if (4 > cmdbuf->bufsz)
+	if (4 > drm_buffer_unprocessed(cmdbuf->buffer))
 		return -EINVAL;
 
 	/* Fixme !! This simply emits a packet without much checking.
 	   We need to be smarter. */
 
 	/* obtain first word - actual packet3 header */
-	header = *(u32 *) cmdbuf->buf;
+	header = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0);
 
 	/* Is it packet 3 ? */
-	if ((header >> 30) != 0x3) {
-		DRM_ERROR("Not a packet3 header (0x%08x)\n", header);
+	if ((*header >> 30) != 0x3) {
+		DRM_ERROR("Not a packet3 header (0x%08x)\n", *header);
 		return -EINVAL;
 	}
 
-	count = (header >> 16) & 0x3fff;
+	count = (*header >> 16) & 0x3fff;
 
 	/* Check again now that we know how much data to expect */
-	if ((count + 2) * 4 > cmdbuf->bufsz) {
+	if ((count + 2) * 4 > drm_buffer_unprocessed(cmdbuf->buffer)) {
 		DRM_ERROR
 		    ("Expected packet3 of length %d but have only %d bytes left\n",
-		     (count + 2) * 4, cmdbuf->bufsz);
+		     (count + 2) * 4, drm_buffer_unprocessed(cmdbuf->buffer));
 		return -EINVAL;
 	}
 
 	/* Is it a packet type we know about ? */
-	switch (header & 0xff00) {
+	switch (*header & 0xff00) {
 	case RADEON_3D_LOAD_VBPNTR:	/* load vertex array pointers */
-		return r300_emit_3d_load_vbpntr(dev_priv, cmdbuf, header);
+		return r300_emit_3d_load_vbpntr(dev_priv, cmdbuf, *header);
 
 	case RADEON_CNTL_BITBLT_MULTI:
 		return r300_emit_bitblt_multi(dev_priv, cmdbuf);
@@ -723,18 +709,14 @@ static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t *dev_priv,
 		/* these packets are safe */
 		break;
 	default:
-		DRM_ERROR("Unknown packet3 header (0x%08x)\n", header);
+		DRM_ERROR("Unknown packet3 header (0x%08x)\n", *header);
 		return -EINVAL;
 	}
 
 	BEGIN_RING(count + 2);
-	OUT_RING(header);
-	OUT_RING_TABLE((int *)(cmdbuf->buf + 4), count + 1);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, count + 2);
 	ADVANCE_RING();
 
-	cmdbuf->buf += (count + 2) * 4;
-	cmdbuf->bufsz -= (count + 2) * 4;
-
 	return 0;
 }
 
@@ -748,8 +730,7 @@ static __inline__ int r300_emit_packet3(drm_radeon_private_t *dev_priv,
 {
 	int n;
 	int ret;
-	char *orig_buf = cmdbuf->buf;
-	int orig_bufsz = cmdbuf->bufsz;
+	int orig_iter = cmdbuf->buffer->iterator;
 
 	/* This is a do-while-loop so that we run the interior at least once,
 	 * even if cmdbuf->nbox is 0. Compare r300_emit_cliprects for rationale.
@@ -761,8 +742,7 @@ static __inline__ int r300_emit_packet3(drm_radeon_private_t *dev_priv,
 			if (ret)
 				return ret;
 
-			cmdbuf->buf = orig_buf;
-			cmdbuf->bufsz = orig_bufsz;
+			cmdbuf->buffer->iterator = orig_iter;
 		}
 
 		switch (header.packet3.packet) {
@@ -785,9 +765,9 @@ static __inline__ int r300_emit_packet3(drm_radeon_private_t *dev_priv,
 			break;
 
 		default:
-			DRM_ERROR("bad packet3 type %i at %p\n",
+			DRM_ERROR("bad packet3 type %i at byte %d\n",
 				  header.packet3.packet,
-				  cmdbuf->buf - sizeof(header));
+				  cmdbuf->buffer->iterator - (int)sizeof(header));
 			return -EINVAL;
 		}
 
@@ -923,12 +903,13 @@ static int r300_scratch(drm_radeon_private_t *dev_priv,
 			drm_r300_cmd_header_t header)
 {
 	u32 *ref_age_base;
-	u32 i, buf_idx, h_pending;
-	u64 ptr_addr;
+	u32 i, *buf_idx, h_pending;
+	u64 *ptr_addr;
+	u64 stack_ptr_addr;
 	RING_LOCALS;
 
-	if (cmdbuf->bufsz <
-	    (sizeof(u64) + header.scratch.n_bufs * sizeof(buf_idx))) {
+	if (drm_buffer_unprocessed(cmdbuf->buffer) <
+	    (sizeof(u64) + header.scratch.n_bufs * sizeof(*buf_idx))) {
 		return -EINVAL;
 	}
 
@@ -938,36 +919,35 @@ static int r300_scratch(drm_radeon_private_t *dev_priv,
 
 	dev_priv->scratch_ages[header.scratch.reg]++;
 
-	ptr_addr = get_unaligned((u64 *)cmdbuf->buf);
-	ref_age_base = (u32 *)(unsigned long)ptr_addr;
-
-	cmdbuf->buf += sizeof(u64);
-	cmdbuf->bufsz -= sizeof(u64);
+	ptr_addr = drm_buffer_read_object(cmdbuf->buffer,
+			sizeof(stack_ptr_addr), &stack_ptr_addr);
+	ref_age_base = (u32 *)(unsigned long)*ptr_addr;
 
 	for (i=0; i < header.scratch.n_bufs; i++) {
-		buf_idx = *(u32 *)cmdbuf->buf;
-		buf_idx *= 2; /* 8 bytes per buf */
+		buf_idx = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0);
+		*buf_idx *= 2; /* 8 bytes per buf */
 
-		if (DRM_COPY_TO_USER(ref_age_base + buf_idx, &dev_priv->scratch_ages[header.scratch.reg], sizeof(u32))) {
+		if (DRM_COPY_TO_USER(ref_age_base + *buf_idx,
+				&dev_priv->scratch_ages[header.scratch.reg],
+				sizeof(u32)))
 			return -EINVAL;
-		}
 
-		if (DRM_COPY_FROM_USER(&h_pending, ref_age_base + buf_idx + 1, sizeof(u32))) {
+		if (DRM_COPY_FROM_USER(&h_pending,
+				ref_age_base + *buf_idx + 1,
+				sizeof(u32)))
 			return -EINVAL;
-		}
 
-		if (h_pending == 0) {
+		if (h_pending == 0)
 			return -EINVAL;
-		}
 
 		h_pending--;
 
-		if (DRM_COPY_TO_USER(ref_age_base + buf_idx + 1, &h_pending, sizeof(u32))) {
+		if (DRM_COPY_TO_USER(ref_age_base + *buf_idx + 1,
+					&h_pending,
+					sizeof(u32)))
 			return -EINVAL;
-		}
 
-		cmdbuf->buf += sizeof(buf_idx);
-		cmdbuf->bufsz -= sizeof(buf_idx);
+		drm_buffer_advance(cmdbuf->buffer, sizeof(*buf_idx));
 	}
 
 	BEGIN_RING(2);
@@ -1009,19 +989,16 @@ static inline int r300_emit_r500fp(drm_radeon_private_t *dev_priv,
 	DRM_DEBUG("r500fp %d %d type: %d\n", sz, addr, type);
 	if (!sz)
 		return 0;
-	if (sz * stride * 4 > cmdbuf->bufsz)
+	if (sz * stride * 4 > drm_buffer_unprocessed(cmdbuf->buffer))
 		return -EINVAL;
 
 	BEGIN_RING(3 + sz * stride);
 	OUT_RING_REG(R500_GA_US_VECTOR_INDEX, addr);
 	OUT_RING(CP_PACKET0_TABLE(R500_GA_US_VECTOR_DATA, sz * stride - 1));
-	OUT_RING_TABLE((int *)cmdbuf->buf, sz * stride);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz * stride);
 
 	ADVANCE_RING();
 
-	cmdbuf->buf += sz * stride * 4;
-	cmdbuf->bufsz -= sz * stride * 4;
-
 	return 0;
 }
 
@@ -1053,19 +1030,18 @@ int r300_do_cp_cmdbuf(struct drm_device *dev,
 			goto cleanup;
 	}
 
-	while (cmdbuf->bufsz >= sizeof(drm_r300_cmd_header_t)) {
+	while (drm_buffer_unprocessed(cmdbuf->buffer)
+			>= sizeof(drm_r300_cmd_header_t)) {
 		int idx;
-		drm_r300_cmd_header_t header;
-
-		header.u = *(unsigned int *)cmdbuf->buf;
+		drm_r300_cmd_header_t *header, stack_header;
 
-		cmdbuf->buf += sizeof(header);
-		cmdbuf->bufsz -= sizeof(header);
+		header = drm_buffer_read_object(cmdbuf->buffer,
+				sizeof(stack_header), &stack_header);
 
-		switch (header.header.cmd_type) {
+		switch (header->header.cmd_type) {
 		case R300_CMD_PACKET0:
 			DRM_DEBUG("R300_CMD_PACKET0\n");
-			ret = r300_emit_packet0(dev_priv, cmdbuf, header);
+			ret = r300_emit_packet0(dev_priv, cmdbuf, *header);
 			if (ret) {
 				DRM_ERROR("r300_emit_packet0 failed\n");
 				goto cleanup;
@@ -1074,7 +1050,7 @@ int r300_do_cp_cmdbuf(struct drm_device *dev,
 
 		case R300_CMD_VPU:
 			DRM_DEBUG("R300_CMD_VPU\n");
-			ret = r300_emit_vpu(dev_priv, cmdbuf, header);
+			ret = r300_emit_vpu(dev_priv, cmdbuf, *header);
 			if (ret) {
 				DRM_ERROR("r300_emit_vpu failed\n");
 				goto cleanup;
@@ -1083,7 +1059,7 @@ int r300_do_cp_cmdbuf(struct drm_device *dev,
 
 		case R300_CMD_PACKET3:
 			DRM_DEBUG("R300_CMD_PACKET3\n");
-			ret = r300_emit_packet3(dev_priv, cmdbuf, header);
+			ret = r300_emit_packet3(dev_priv, cmdbuf, *header);
 			if (ret) {
 				DRM_ERROR("r300_emit_packet3 failed\n");
 				goto cleanup;
@@ -1117,8 +1093,8 @@ int r300_do_cp_cmdbuf(struct drm_device *dev,
 				int i;
 				RING_LOCALS;
 
-				BEGIN_RING(header.delay.count);
-				for (i = 0; i < header.delay.count; i++)
+				BEGIN_RING(header->delay.count);
+				for (i = 0; i < header->delay.count; i++)
 					OUT_RING(RADEON_CP_PACKET2);
 				ADVANCE_RING();
 			}
@@ -1126,7 +1102,7 @@ int r300_do_cp_cmdbuf(struct drm_device *dev,
 
 		case R300_CMD_DMA_DISCARD:
 			DRM_DEBUG("RADEON_CMD_DMA_DISCARD\n");
-			idx = header.dma.buf_idx;
+			idx = header->dma.buf_idx;
 			if (idx < 0 || idx >= dma->buf_count) {
 				DRM_ERROR("buffer index %d (of %d max)\n",
 					  idx, dma->buf_count - 1);
@@ -1149,12 +1125,12 @@ int r300_do_cp_cmdbuf(struct drm_device *dev,
 
 		case R300_CMD_WAIT:
 			DRM_DEBUG("R300_CMD_WAIT\n");
-			r300_cmd_wait(dev_priv, header);
+			r300_cmd_wait(dev_priv, *header);
 			break;
 
 		case R300_CMD_SCRATCH:
 			DRM_DEBUG("R300_CMD_SCRATCH\n");
-			ret = r300_scratch(dev_priv, cmdbuf, header);
+			ret = r300_scratch(dev_priv, cmdbuf, *header);
 			if (ret) {
 				DRM_ERROR("r300_scratch failed\n");
 				goto cleanup;
@@ -1168,16 +1144,16 @@ int r300_do_cp_cmdbuf(struct drm_device *dev,
 				goto cleanup;
 			}
 			DRM_DEBUG("R300_CMD_R500FP\n");
-			ret = r300_emit_r500fp(dev_priv, cmdbuf, header);
+			ret = r300_emit_r500fp(dev_priv, cmdbuf, *header);
 			if (ret) {
 				DRM_ERROR("r300_emit_r500fp failed\n");
 				goto cleanup;
 			}
 			break;
 		default:
-			DRM_ERROR("bad cmd_type %i at %p\n",
-				  header.header.cmd_type,
-				  cmdbuf->buf - sizeof(header));
+			DRM_ERROR("bad cmd_type %i at byte %d\n",
+				  header->header.cmd_type,
+				  cmdbuf->buffer->iterator - (int)sizeof(*header));
 			ret = -EINVAL;
 			goto cleanup;
 		}
diff --git a/drivers/gpu/drm/radeon/r300_reg.h b/drivers/gpu/drm/radeon/r300_reg.h
index 1735a2b69580..1a0d5362cd79 100644
--- a/drivers/gpu/drm/radeon/r300_reg.h
+++ b/drivers/gpu/drm/radeon/r300_reg.h
@@ -952,6 +952,7 @@
 #       define R300_TXO_ENDIAN_HALFDW_SWAP       (3 << 0)
 #       define R300_TXO_MACRO_TILE               (1 << 2)
 #       define R300_TXO_MICRO_TILE               (1 << 3)
+#       define R300_TXO_MICRO_TILE_SQUARE        (2 << 3)
 #       define R300_TXO_OFFSET_MASK              0xffffffe0
 #       define R300_TXO_OFFSET_SHIFT             5
 	/* END: Guess from R200 */
@@ -1360,6 +1361,7 @@
 #       define R300_COLORPITCH_MASK              0x00001FF8 /* GUESS */
 #       define R300_COLOR_TILE_ENABLE            (1 << 16) /* GUESS */
 #       define R300_COLOR_MICROTILE_ENABLE       (1 << 17) /* GUESS */
+#       define R300_COLOR_MICROTILE_SQUARE_ENABLE (2 << 17)
 #       define R300_COLOR_ENDIAN_NO_SWAP         (0 << 18) /* GUESS */
 #       define R300_COLOR_ENDIAN_WORD_SWAP       (1 << 18) /* GUESS */
 #       define R300_COLOR_ENDIAN_DWORD_SWAP      (2 << 18) /* GUESS */
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index d9373246c97f..0b8603ca6974 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -29,6 +29,7 @@
 #include "drmP.h"
 #include "radeon_reg.h"
 #include "radeon.h"
+#include "radeon_asic.h"
 #include "atom.h"
 #include "r100d.h"
 #include "r420d.h"
@@ -40,28 +41,6 @@ static void r420_set_reg_safe(struct radeon_device *rdev)
 	rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r420_reg_safe_bm);
 }
 
-int r420_mc_init(struct radeon_device *rdev)
-{
-	int r;
-
-	/* Setup GPU memory space */
-	rdev->mc.vram_location = 0xFFFFFFFFUL;
-	rdev->mc.gtt_location = 0xFFFFFFFFUL;
-	if (rdev->flags & RADEON_IS_AGP) {
-		r = radeon_agp_init(rdev);
-		if (r) {
-			radeon_agp_disable(rdev);
-		} else {
-			rdev->mc.gtt_location = rdev->mc.agp_base;
-		}
-	}
-	r = radeon_mc_setup(rdev);
-	if (r) {
-		return r;
-	}
-	return 0;
-}
-
 void r420_pipes_init(struct radeon_device *rdev)
 {
 	unsigned tmp;
@@ -69,7 +48,8 @@ void r420_pipes_init(struct radeon_device *rdev)
 	unsigned num_pipes;
 
 	/* GA_ENHANCE workaround TCL deadlock issue */
-	WREG32(0x4274, (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3));
+	WREG32(R300_GA_ENHANCE, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL |
+	       (1 << 2) | (1 << 3));
 	/* add idle wait as per freedesktop.org bug 24041 */
 	if (r100_gui_wait_for_idle(rdev)) {
 		printk(KERN_WARNING "Failed to wait GUI idle while "
@@ -97,17 +77,17 @@ void r420_pipes_init(struct radeon_device *rdev)
 		tmp = (7 << 1);
 		break;
 	}
-	WREG32(0x42C8, (1 << num_pipes) - 1);
+	WREG32(R500_SU_REG_DEST, (1 << num_pipes) - 1);
 	/* Sub pixel 1/12 so we can have 4K rendering according to doc */
-	tmp |= (1 << 4) | (1 << 0);
-	WREG32(0x4018, tmp);
+	tmp |= R300_TILE_SIZE_16 | R300_ENABLE_TILING;
+	WREG32(R300_GB_TILE_CONFIG, tmp);
 	if (r100_gui_wait_for_idle(rdev)) {
 		printk(KERN_WARNING "Failed to wait GUI idle while "
 		       "programming pipes. Bad things might happen.\n");
 	}
 
-	tmp = RREG32(0x170C);
-	WREG32(0x170C, tmp | (1 << 31));
+	tmp = RREG32(R300_DST_PIPE_CONFIG);
+	WREG32(R300_DST_PIPE_CONFIG, tmp | R300_PIPE_AUTO_CONFIG);
 
 	WREG32(R300_RB2D_DSTCACHE_MODE,
 	       RREG32(R300_RB2D_DSTCACHE_MODE) |
@@ -287,6 +267,7 @@ int r420_suspend(struct radeon_device *rdev)
 
 void r420_fini(struct radeon_device *rdev)
 {
+	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -348,13 +329,15 @@ int r420_init(struct radeon_device *rdev)
 	radeon_get_clock_info(rdev->ddev);
 	/* Initialize power management */
 	radeon_pm_init(rdev);
-	/* Get vram informations */
-	r300_vram_info(rdev);
-	/* Initialize memory controller (also test AGP) */
-	r = r420_mc_init(rdev);
-	if (r) {
-		return r;
+	/* initialize AGP */
+	if (rdev->flags & RADEON_IS_AGP) {
+		r = radeon_agp_init(rdev);
+		if (r) {
+			radeon_agp_disable(rdev);
+		}
 	}
+	/* initialize memory controller */
+	r300_mc_init(rdev);
 	r420_debugfs(rdev);
 	/* Fence driver */
 	r = radeon_fence_driver_init(rdev);
diff --git a/drivers/gpu/drm/radeon/r500_reg.h b/drivers/gpu/drm/radeon/r500_reg.h
index 74ad89bdf2b5..0cf2ad2a5585 100644
--- a/drivers/gpu/drm/radeon/r500_reg.h
+++ b/drivers/gpu/drm/radeon/r500_reg.h
@@ -717,54 +717,62 @@
 #define AVIVO_DVOA_BIT_DEPTH_CONTROL			0x7988
 
 #define AVIVO_DC_GPIO_HPD_A                 0x7e94
-
-#define AVIVO_GPIO_0                        0x7e30
-#define AVIVO_GPIO_1                        0x7e40
-#define AVIVO_GPIO_2                        0x7e50
-#define AVIVO_GPIO_3                        0x7e60
-
 #define AVIVO_DC_GPIO_HPD_Y                 0x7e9c
 
-#define AVIVO_I2C_STATUS					0x7d30
-#	define AVIVO_I2C_STATUS_DONE				(1 << 0)
-#	define AVIVO_I2C_STATUS_NACK				(1 << 1)
-#	define AVIVO_I2C_STATUS_HALT				(1 << 2)
-#	define AVIVO_I2C_STATUS_GO				(1 << 3)
-#	define AVIVO_I2C_STATUS_MASK				0x7
-/* If radeon_mm_i2c is to be believed, this is HALT, NACK, and maybe
- * DONE? */
-#	define AVIVO_I2C_STATUS_CMD_RESET			0x7
-#	define AVIVO_I2C_STATUS_CMD_WAIT			(1 << 3)
-#define AVIVO_I2C_STOP						0x7d34
-#define AVIVO_I2C_START_CNTL				0x7d38
-#	define AVIVO_I2C_START						(1 << 8)
-#	define AVIVO_I2C_CONNECTOR0					(0 << 16)
-#	define AVIVO_I2C_CONNECTOR1					(1 << 16)
-#define R520_I2C_START (1<<0)
-#define R520_I2C_STOP (1<<1)
-#define R520_I2C_RX (1<<2)
-#define R520_I2C_EN (1<<8)
-#define R520_I2C_DDC1 (0<<16)
-#define R520_I2C_DDC2 (1<<16)
-#define R520_I2C_DDC3 (2<<16)
-#define R520_I2C_DDC_MASK (3<<16)
-#define AVIVO_I2C_CONTROL2					0x7d3c
-#	define AVIVO_I2C_7D3C_SIZE_SHIFT			8
-#	define AVIVO_I2C_7D3C_SIZE_MASK				(0xf << 8)
-#define AVIVO_I2C_CONTROL3						0x7d40
-/* Reading is done 4 bytes at a time: read the bottom 8 bits from
- * 7d44, four times in a row.
- * Writing is a little more complex.  First write DATA with
- * 0xnnnnnnzz, then 0xnnnnnnyy, where nnnnnn is some non-deterministic
- * magic number, zz is, I think, the slave address, and yy is the byte
- * you want to write. */
-#define AVIVO_I2C_DATA						0x7d44
-#define R520_I2C_ADDR_COUNT_MASK (0x7)
-#define R520_I2C_DATA_COUNT_SHIFT (8)
-#define R520_I2C_DATA_COUNT_MASK (0xF00)
-#define AVIVO_I2C_CNTL						0x7d50
-#	define AVIVO_I2C_EN							(1 << 0)
-#	define AVIVO_I2C_RESET						(1 << 8)
+#define AVIVO_DC_I2C_STATUS1				0x7d30
+#	define AVIVO_DC_I2C_DONE			(1 << 0)
+#	define AVIVO_DC_I2C_NACK			(1 << 1)
+#	define AVIVO_DC_I2C_HALT			(1 << 2)
+#	define AVIVO_DC_I2C_GO			        (1 << 3)
+#define AVIVO_DC_I2C_RESET 				0x7d34
+#	define AVIVO_DC_I2C_SOFT_RESET			(1 << 0)
+#	define AVIVO_DC_I2C_ABORT			(1 << 8)
+#define AVIVO_DC_I2C_CONTROL1 				0x7d38
+#	define AVIVO_DC_I2C_START			(1 << 0)
+#	define AVIVO_DC_I2C_STOP			(1 << 1)
+#	define AVIVO_DC_I2C_RECEIVE			(1 << 2)
+#	define AVIVO_DC_I2C_EN			        (1 << 8)
+#	define AVIVO_DC_I2C_PIN_SELECT(x)		((x) << 16)
+#	define AVIVO_SEL_DDC1			        0
+#	define AVIVO_SEL_DDC2			        1
+#	define AVIVO_SEL_DDC3			        2
+#define AVIVO_DC_I2C_CONTROL2 				0x7d3c
+#	define AVIVO_DC_I2C_ADDR_COUNT(x)		((x) << 0)
+#	define AVIVO_DC_I2C_DATA_COUNT(x)		((x) << 8)
+#define AVIVO_DC_I2C_CONTROL3 				0x7d40
+#	define AVIVO_DC_I2C_DATA_DRIVE_EN		(1 << 0)
+#	define AVIVO_DC_I2C_DATA_DRIVE_SEL		(1 << 1)
+#	define AVIVO_DC_I2C_CLK_DRIVE_EN		(1 << 7)
+#	define AVIVO_DC_I2C_RD_INTRA_BYTE_DELAY(x)      ((x) << 8)
+#	define AVIVO_DC_I2C_WR_INTRA_BYTE_DELAY(x)	((x) << 16)
+#	define AVIVO_DC_I2C_TIME_LIMIT(x)		((x) << 24)
+#define AVIVO_DC_I2C_DATA 				0x7d44
+#define AVIVO_DC_I2C_INTERRUPT_CONTROL 			0x7d48
+#	define AVIVO_DC_I2C_INTERRUPT_STATUS		(1 << 0)
+#	define AVIVO_DC_I2C_INTERRUPT_AK		(1 << 8)
+#	define AVIVO_DC_I2C_INTERRUPT_ENABLE		(1 << 16)
+#define AVIVO_DC_I2C_ARBITRATION 			0x7d50
+#	define AVIVO_DC_I2C_SW_WANTS_TO_USE_I2C		(1 << 0)
+#	define AVIVO_DC_I2C_SW_CAN_USE_I2C		(1 << 1)
+#	define AVIVO_DC_I2C_SW_DONE_USING_I2C		(1 << 8)
+#	define AVIVO_DC_I2C_HW_NEEDS_I2C		(1 << 9)
+#	define AVIVO_DC_I2C_ABORT_HDCP_I2C		(1 << 16)
+#	define AVIVO_DC_I2C_HW_USING_I2C		(1 << 17)
+
+#define AVIVO_DC_GPIO_DDC1_MASK 		        0x7e40
+#define AVIVO_DC_GPIO_DDC1_A 		                0x7e44
+#define AVIVO_DC_GPIO_DDC1_EN 		                0x7e48
+#define AVIVO_DC_GPIO_DDC1_Y 		                0x7e4c
+
+#define AVIVO_DC_GPIO_DDC2_MASK 		        0x7e50
+#define AVIVO_DC_GPIO_DDC2_A 		                0x7e54
+#define AVIVO_DC_GPIO_DDC2_EN 		                0x7e58
+#define AVIVO_DC_GPIO_DDC2_Y 		                0x7e5c
+
+#define AVIVO_DC_GPIO_DDC3_MASK 		        0x7e60
+#define AVIVO_DC_GPIO_DDC3_A 		                0x7e64
+#define AVIVO_DC_GPIO_DDC3_EN 		                0x7e68
+#define AVIVO_DC_GPIO_DDC3_Y 		                0x7e6c
 
 #define AVIVO_DISP_INTERRUPT_STATUS                             0x7edc
 #       define AVIVO_D1_VBLANK_INTERRUPT                        (1 << 4)
diff --git a/drivers/gpu/drm/radeon/r520.c b/drivers/gpu/drm/radeon/r520.c
index ddf5731eba0d..3c44b8d39318 100644
--- a/drivers/gpu/drm/radeon/r520.c
+++ b/drivers/gpu/drm/radeon/r520.c
@@ -27,6 +27,7 @@
  */
 #include "drmP.h"
 #include "radeon.h"
+#include "radeon_asic.h"
 #include "atom.h"
 #include "r520d.h"
 
@@ -119,19 +120,15 @@ static void r520_vram_get_type(struct radeon_device *rdev)
 		rdev->mc.vram_width *= 2;
 }
 
-void r520_vram_info(struct radeon_device *rdev)
+void r520_mc_init(struct radeon_device *rdev)
 {
-	fixed20_12 a;
 
 	r520_vram_get_type(rdev);
-
 	r100_vram_init_sizes(rdev);
-	/* FIXME: we should enforce default clock in case GPU is not in
-	 * default setup
-	 */
-	a.full = rfixed_const(100);
-	rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
-	rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
+	radeon_vram_location(rdev, &rdev->mc, 0);
+	if (!(rdev->flags & RADEON_IS_AGP))
+		radeon_gtt_location(rdev, &rdev->mc);
+	radeon_update_bandwidth_info(rdev);
 }
 
 void r520_mc_program(struct radeon_device *rdev)
@@ -267,12 +264,15 @@ int r520_init(struct radeon_device *rdev)
 	radeon_get_clock_info(rdev->ddev);
 	/* Initialize power management */
 	radeon_pm_init(rdev);
-	/* Get vram informations */
-	r520_vram_info(rdev);
-	/* Initialize memory controller (also test AGP) */
-	r = r420_mc_init(rdev);
-	if (r)
-		return r;
+	/* initialize AGP */
+	if (rdev->flags & RADEON_IS_AGP) {
+		r = radeon_agp_init(rdev);
+		if (r) {
+			radeon_agp_disable(rdev);
+		}
+	}
+	/* initialize memory controller */
+	r520_mc_init(rdev);
 	rv515_debugfs(rdev);
 	/* Fence driver */
 	r = radeon_fence_driver_init(rdev);
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 2ffcf5a03551..5509354c7c89 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -31,6 +31,7 @@
 #include "drmP.h"
 #include "radeon_drm.h"
 #include "radeon.h"
+#include "radeon_asic.h"
 #include "radeon_mode.h"
 #include "r600d.h"
 #include "atom.h"
@@ -353,23 +354,14 @@ void r600_hpd_fini(struct radeon_device *rdev)
 /*
  * R600 PCIE GART
  */
-int r600_gart_clear_page(struct radeon_device *rdev, int i)
-{
-	void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
-	u64 pte;
-
-	if (i < 0 || i > rdev->gart.num_gpu_pages)
-		return -EINVAL;
-	pte = 0;
-	writeq(pte, ((void __iomem *)ptr) + (i * 8));
-	return 0;
-}
-
 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
 {
 	unsigned i;
 	u32 tmp;
 
+	/* flush hdp cache so updates hit vram */
+	WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
+
 	WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
 	WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
 	WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
@@ -416,6 +408,7 @@ int r600_pcie_gart_enable(struct radeon_device *rdev)
 	r = radeon_gart_table_vram_pin(rdev);
 	if (r)
 		return r;
+	radeon_gart_restore(rdev);
 
 	/* Setup L2 cache */
 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
@@ -499,9 +492,9 @@ void r600_pcie_gart_disable(struct radeon_device *rdev)
 
 void r600_pcie_gart_fini(struct radeon_device *rdev)
 {
+	radeon_gart_fini(rdev);
 	r600_pcie_gart_disable(rdev);
 	radeon_gart_table_vram_free(rdev);
-	radeon_gart_fini(rdev);
 }
 
 void r600_agp_enable(struct radeon_device *rdev)
@@ -619,9 +612,70 @@ static void r600_mc_program(struct radeon_device *rdev)
 	rv515_vga_render_disable(rdev);
 }
 
+/**
+ * r600_vram_gtt_location - try to find VRAM & GTT location
+ * @rdev: radeon device structure holding all necessary informations
+ * @mc: memory controller structure holding memory informations
+ *
+ * Function will place try to place VRAM at same place as in CPU (PCI)
+ * address space as some GPU seems to have issue when we reprogram at
+ * different address space.
+ *
+ * If there is not enough space to fit the unvisible VRAM after the
+ * aperture then we limit the VRAM size to the aperture.
+ *
+ * If we are using AGP then place VRAM adjacent to AGP aperture are we need
+ * them to be in one from GPU point of view so that we can program GPU to
+ * catch access outside them (weird GPU policy see ??).
+ *
+ * This function will never fails, worst case are limiting VRAM or GTT.
+ *
+ * Note: GTT start, end, size should be initialized before calling this
+ * function on AGP platform.
+ */
+void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
+{
+	u64 size_bf, size_af;
+
+	if (mc->mc_vram_size > 0xE0000000) {
+		/* leave room for at least 512M GTT */
+		dev_warn(rdev->dev, "limiting VRAM\n");
+		mc->real_vram_size = 0xE0000000;
+		mc->mc_vram_size = 0xE0000000;
+	}
+	if (rdev->flags & RADEON_IS_AGP) {
+		size_bf = mc->gtt_start;
+		size_af = 0xFFFFFFFF - mc->gtt_end + 1;
+		if (size_bf > size_af) {
+			if (mc->mc_vram_size > size_bf) {
+				dev_warn(rdev->dev, "limiting VRAM\n");
+				mc->real_vram_size = size_bf;
+				mc->mc_vram_size = size_bf;
+			}
+			mc->vram_start = mc->gtt_start - mc->mc_vram_size;
+		} else {
+			if (mc->mc_vram_size > size_af) {
+				dev_warn(rdev->dev, "limiting VRAM\n");
+				mc->real_vram_size = size_af;
+				mc->mc_vram_size = size_af;
+			}
+			mc->vram_start = mc->gtt_end;
+		}
+		mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
+		dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
+				mc->mc_vram_size >> 20, mc->vram_start,
+				mc->vram_end, mc->real_vram_size >> 20);
+	} else {
+		u64 base = 0;
+		if (rdev->flags & RADEON_IS_IGP)
+			base = (RREG32(MC_VM_FB_LOCATION) & 0xFFFF) << 24;
+		radeon_vram_location(rdev, &rdev->mc, base);
+		radeon_gtt_location(rdev, mc);
+	}
+}
+
 int r600_mc_init(struct radeon_device *rdev)
 {
-	fixed20_12 a;
 	u32 tmp;
 	int chansize, numchan;
 
@@ -658,75 +712,17 @@ int r600_mc_init(struct radeon_device *rdev)
 	/* Setup GPU memory space */
 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
-
-	if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
+	rdev->mc.visible_vram_size = rdev->mc.aper_size;
+	/* FIXME remove this once we support unmappable VRAM */
+	if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
 		rdev->mc.mc_vram_size = rdev->mc.aper_size;
-
-	if (rdev->mc.real_vram_size > rdev->mc.aper_size)
 		rdev->mc.real_vram_size = rdev->mc.aper_size;
-
-	if (rdev->flags & RADEON_IS_AGP) {
-		/* gtt_size is setup by radeon_agp_init */
-		rdev->mc.gtt_location = rdev->mc.agp_base;
-		tmp = 0xFFFFFFFFUL - rdev->mc.agp_base - rdev->mc.gtt_size;
-		/* Try to put vram before or after AGP because we
-		 * we want SYSTEM_APERTURE to cover both VRAM and
-		 * AGP so that GPU can catch out of VRAM/AGP access
-		 */
-		if (rdev->mc.gtt_location > rdev->mc.mc_vram_size) {
-			/* Enough place before */
-			rdev->mc.vram_location = rdev->mc.gtt_location -
-							rdev->mc.mc_vram_size;
-		} else if (tmp > rdev->mc.mc_vram_size) {
-			/* Enough place after */
-			rdev->mc.vram_location = rdev->mc.gtt_location +
-							rdev->mc.gtt_size;
-		} else {
-			/* Try to setup VRAM then AGP might not
-			 * not work on some card
-			 */
-			rdev->mc.vram_location = 0x00000000UL;
-			rdev->mc.gtt_location = rdev->mc.mc_vram_size;
-		}
-	} else {
-		rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
-		rdev->mc.vram_location = (RREG32(MC_VM_FB_LOCATION) &
-							0xFFFF) << 24;
-		tmp = rdev->mc.vram_location + rdev->mc.mc_vram_size;
-		if ((0xFFFFFFFFUL - tmp) >= rdev->mc.gtt_size) {
-			/* Enough place after vram */
-			rdev->mc.gtt_location = tmp;
-		} else if (rdev->mc.vram_location >= rdev->mc.gtt_size) {
-			/* Enough place before vram */
-			rdev->mc.gtt_location = 0;
-		} else {
-			/* Not enough place after or before shrink
-			 * gart size
-			 */
-			if (rdev->mc.vram_location > (0xFFFFFFFFUL - tmp)) {
-				rdev->mc.gtt_location = 0;
-				rdev->mc.gtt_size = rdev->mc.vram_location;
-			} else {
-				rdev->mc.gtt_location = tmp;
-				rdev->mc.gtt_size = 0xFFFFFFFFUL - tmp;
-			}
-		}
-		rdev->mc.gtt_location = rdev->mc.mc_vram_size;
-	}
-	rdev->mc.vram_start = rdev->mc.vram_location;
-	rdev->mc.vram_end = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1;
-	rdev->mc.gtt_start = rdev->mc.gtt_location;
-	rdev->mc.gtt_end = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
-	/* FIXME: we should enforce default clock in case GPU is not in
-	 * default setup
-	 */
-	a.full = rfixed_const(100);
-	rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
-	rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
+	}
+	r600_vram_gtt_location(rdev, &rdev->mc);
 
 	if (rdev->flags & RADEON_IS_IGP)
 		rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
-
+	radeon_update_bandwidth_info(rdev);
 	return 0;
 }
 
@@ -981,6 +977,9 @@ void r600_gpu_init(struct radeon_device *rdev)
 {
 	u32 tiling_config;
 	u32 ramcfg;
+	u32 backend_map;
+	u32 cc_rb_backend_disable;
+	u32 cc_gc_shader_pipe_config;
 	u32 tmp;
 	int i, j;
 	u32 sq_config;
@@ -1090,8 +1089,11 @@ void r600_gpu_init(struct radeon_device *rdev)
 	default:
 		break;
 	}
+	rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
+	rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
 	tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
 	tiling_config |= GROUP_SIZE(0);
+	rdev->config.r600.tiling_group_size = 256;
 	tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
 	if (tmp > 3) {
 		tiling_config |= ROW_TILING(3);
@@ -1101,24 +1103,34 @@ void r600_gpu_init(struct radeon_device *rdev)
 		tiling_config |= SAMPLE_SPLIT(tmp);
 	}
 	tiling_config |= BANK_SWAPS(1);
-	tmp = r600_get_tile_pipe_to_backend_map(rdev->config.r600.max_tile_pipes,
-						rdev->config.r600.max_backends,
-						(0xff << rdev->config.r600.max_backends) & 0xff);
-	tiling_config |= BACKEND_MAP(tmp);
+
+	cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
+	cc_rb_backend_disable |=
+		BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << rdev->config.r600.max_backends) & R6XX_MAX_BACKENDS_MASK);
+
+	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
+	cc_gc_shader_pipe_config |=
+		INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << rdev->config.r600.max_pipes) & R6XX_MAX_PIPES_MASK);
+	cc_gc_shader_pipe_config |=
+		INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << rdev->config.r600.max_simds) & R6XX_MAX_SIMDS_MASK);
+
+	backend_map = r600_get_tile_pipe_to_backend_map(rdev->config.r600.max_tile_pipes,
+							(R6XX_MAX_BACKENDS -
+							 r600_count_pipe_bits((cc_rb_backend_disable &
+									       R6XX_MAX_BACKENDS_MASK) >> 16)),
+							(cc_rb_backend_disable >> 16));
+
+	tiling_config |= BACKEND_MAP(backend_map);
 	WREG32(GB_TILING_CONFIG, tiling_config);
 	WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
 	WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
 
-	tmp = BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << rdev->config.r600.max_backends) & R6XX_MAX_BACKENDS_MASK);
-	WREG32(CC_RB_BACKEND_DISABLE, tmp);
-
 	/* Setup pipes */
-	tmp = INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << rdev->config.r600.max_pipes) & R6XX_MAX_PIPES_MASK);
-	tmp |= INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << rdev->config.r600.max_simds) & R6XX_MAX_SIMDS_MASK);
-	WREG32(CC_GC_SHADER_PIPE_CONFIG, tmp);
-	WREG32(GC_USER_SHADER_PIPE_CONFIG, tmp);
+	WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable);
+	WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
+	WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
 
-	tmp = R6XX_MAX_BACKENDS - r600_count_pipe_bits(tmp & INACTIVE_QD_PIPES_MASK);
+	tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
 	WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
 
@@ -1783,12 +1795,17 @@ void r600_fence_ring_emit(struct radeon_device *rdev,
 			  struct radeon_fence *fence)
 {
 	/* Also consider EVENT_WRITE_EOP.  it handles the interrupts + timestamps + events */
+
+	radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0));
+	radeon_ring_write(rdev, CACHE_FLUSH_AND_INV_EVENT);
+	/* wait for 3D idle clean */
+	radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
+	radeon_ring_write(rdev, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
+	radeon_ring_write(rdev, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
 	/* Emit fence sequence & fire IRQ */
 	radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
 	radeon_ring_write(rdev, ((rdev->fence_drv.scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
 	radeon_ring_write(rdev, fence->seq);
-	radeon_ring_write(rdev, PACKET0(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
-	radeon_ring_write(rdev, 1);
 	/* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
 	radeon_ring_write(rdev, PACKET0(CP_INT_STATUS, 0));
 	radeon_ring_write(rdev, RB_INT_STAT);
@@ -2099,6 +2116,7 @@ int r600_init(struct radeon_device *rdev)
 
 void r600_fini(struct radeon_device *rdev)
 {
+	radeon_pm_fini(rdev);
 	r600_audio_fini(rdev);
 	r600_blit_fini(rdev);
 	r600_cp_fini(rdev);
@@ -2378,19 +2396,19 @@ static void r600_disable_interrupt_state(struct radeon_device *rdev)
 		WREG32(DC_HPD4_INT_CONTROL, tmp);
 		if (ASIC_IS_DCE32(rdev)) {
 			tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
-			WREG32(DC_HPD5_INT_CONTROL, 0);
+			WREG32(DC_HPD5_INT_CONTROL, tmp);
 			tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
-			WREG32(DC_HPD6_INT_CONTROL, 0);
+			WREG32(DC_HPD6_INT_CONTROL, tmp);
 		}
 	} else {
 		WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
 		WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
 		tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
-		WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, 0);
+		WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
 		tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
-		WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, 0);
+		WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
 		tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
-		WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, 0);
+		WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
 	}
 }
 
@@ -2745,6 +2763,8 @@ restart_ih:
 			case 0: /* D1 vblank */
 				if (disp_int & LB_D1_VBLANK_INTERRUPT) {
 					drm_handle_vblank(rdev->ddev, 0);
+					rdev->pm.vblank_sync = true;
+					wake_up(&rdev->irq.vblank_queue);
 					disp_int &= ~LB_D1_VBLANK_INTERRUPT;
 					DRM_DEBUG("IH: D1 vblank\n");
 				}
@@ -2765,6 +2785,8 @@ restart_ih:
 			case 0: /* D2 vblank */
 				if (disp_int & LB_D2_VBLANK_INTERRUPT) {
 					drm_handle_vblank(rdev->ddev, 1);
+					rdev->pm.vblank_sync = true;
+					wake_up(&rdev->irq.vblank_queue);
 					disp_int &= ~LB_D2_VBLANK_INTERRUPT;
 					DRM_DEBUG("IH: D2 vblank\n");
 				}
@@ -2812,14 +2834,14 @@ restart_ih:
 				break;
 			case 10:
 				if (disp_int_cont2 & DC_HPD5_INTERRUPT) {
-					disp_int_cont &= ~DC_HPD5_INTERRUPT;
+					disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
 					queue_hotplug = true;
 					DRM_DEBUG("IH: HPD5\n");
 				}
 				break;
 			case 12:
 				if (disp_int_cont2 & DC_HPD6_INTERRUPT) {
-					disp_int_cont &= ~DC_HPD6_INTERRUPT;
+					disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
 					queue_hotplug = true;
 					DRM_DEBUG("IH: HPD6\n");
 				}
diff --git a/drivers/gpu/drm/radeon/r600_audio.c b/drivers/gpu/drm/radeon/r600_audio.c
index 0dcb6904c4ff..dac7042b797e 100644
--- a/drivers/gpu/drm/radeon/r600_audio.c
+++ b/drivers/gpu/drm/radeon/r600_audio.c
@@ -35,7 +35,7 @@
  */
 static int r600_audio_chipset_supported(struct radeon_device *rdev)
 {
-	return (rdev->family >= CHIP_R600 && rdev->family < CHIP_RV710)
+	return rdev->family >= CHIP_R600
 		|| rdev->family == CHIP_RS600
 		|| rdev->family == CHIP_RS690
 		|| rdev->family == CHIP_RS740;
@@ -147,15 +147,23 @@ static void r600_audio_update_hdmi(unsigned long param)
 }
 
 /*
+ * turn on/off audio engine
+ */
+static void r600_audio_engine_enable(struct radeon_device *rdev, bool enable)
+{
+	DRM_INFO("%s audio support", enable ? "Enabling" : "Disabling");
+	WREG32_P(R600_AUDIO_ENABLE, enable ? 0x81000000 : 0x0, ~0x81000000);
+}
+
+/*
  * initialize the audio vars and register the update timer
  */
 int r600_audio_init(struct radeon_device *rdev)
 {
-	if (!r600_audio_chipset_supported(rdev))
+	if (!radeon_audio || !r600_audio_chipset_supported(rdev))
 		return 0;
 
-	DRM_INFO("%s audio support", radeon_audio ? "Enabling" : "Disabling");
-	WREG32_P(R600_AUDIO_ENABLE, radeon_audio ? 0x81000000 : 0x0, ~0x81000000);
+	r600_audio_engine_enable(rdev, true);
 
 	rdev->audio_channels = -1;
 	rdev->audio_rate = -1;
@@ -174,41 +182,6 @@ int r600_audio_init(struct radeon_device *rdev)
 }
 
 /*
- * determin how the encoders and audio interface is wired together
- */
-int r600_audio_tmds_index(struct drm_encoder *encoder)
-{
-	struct drm_device *dev = encoder->dev;
-	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
-	struct drm_encoder *other;
-
-	switch (radeon_encoder->encoder_id) {
-	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
-	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
-	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
-		return 0;
-
-	case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
-		/* special case check if an TMDS1 is present */
-		list_for_each_entry(other, &dev->mode_config.encoder_list, head) {
-			if (to_radeon_encoder(other)->encoder_id ==
-				ENCODER_OBJECT_ID_INTERNAL_TMDS1)
-				return 1;
-		}
-		return 0;
-
-	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
-	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
-		return 1;
-
-	default:
-		DRM_ERROR("Unsupported encoder type 0x%02X\n",
-			  radeon_encoder->encoder_id);
-		return -1;
-	}
-}
-
-/*
  * atach the audio codec to the clock source of the encoder
  */
 void r600_audio_set_clock(struct drm_encoder *encoder, int clock)
@@ -216,6 +189,7 @@ void r600_audio_set_clock(struct drm_encoder *encoder, int clock)
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 	int base_rate = 48000;
 
 	switch (radeon_encoder->encoder_id) {
@@ -223,32 +197,34 @@ void r600_audio_set_clock(struct drm_encoder *encoder, int clock)
 	case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
 		WREG32_P(R600_AUDIO_TIMING, 0, ~0x301);
 		break;
-
 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
 		WREG32_P(R600_AUDIO_TIMING, 0x100, ~0x301);
 		break;
-
 	default:
 		DRM_ERROR("Unsupported encoder type 0x%02X\n",
 			  radeon_encoder->encoder_id);
 		return;
 	}
 
-	switch (r600_audio_tmds_index(encoder)) {
+	switch (dig->dig_encoder) {
 	case 0:
-		WREG32(R600_AUDIO_PLL1_MUL, base_rate*50);
-		WREG32(R600_AUDIO_PLL1_DIV, clock*100);
+		WREG32(R600_AUDIO_PLL1_MUL, base_rate * 50);
+		WREG32(R600_AUDIO_PLL1_DIV, clock * 100);
 		WREG32(R600_AUDIO_CLK_SRCSEL, 0);
 		break;
 
 	case 1:
-		WREG32(R600_AUDIO_PLL2_MUL, base_rate*50);
-		WREG32(R600_AUDIO_PLL2_DIV, clock*100);
+		WREG32(R600_AUDIO_PLL2_MUL, base_rate * 50);
+		WREG32(R600_AUDIO_PLL2_DIV, clock * 100);
 		WREG32(R600_AUDIO_CLK_SRCSEL, 1);
 		break;
+	default:
+		dev_err(rdev->dev, "Unsupported DIG on encoder 0x%02X\n",
+			  radeon_encoder->encoder_id);
+		return;
 	}
 }
 
@@ -258,9 +234,10 @@ void r600_audio_set_clock(struct drm_encoder *encoder, int clock)
  */
 void r600_audio_fini(struct radeon_device *rdev)
 {
-	if (!r600_audio_chipset_supported(rdev))
+	if (!radeon_audio || !r600_audio_chipset_supported(rdev))
 		return;
 
 	del_timer(&rdev->audio_timer);
-	WREG32_P(R600_AUDIO_ENABLE, 0x0, ~0x81000000);
+
+	r600_audio_engine_enable(rdev, false);
 }
diff --git a/drivers/gpu/drm/radeon/r600_blit.c b/drivers/gpu/drm/radeon/r600_blit.c
index 5ea432347589..f4fb88ece2bb 100644
--- a/drivers/gpu/drm/radeon/r600_blit.c
+++ b/drivers/gpu/drm/radeon/r600_blit.c
@@ -49,7 +49,7 @@ set_render_target(drm_radeon_private_t *dev_priv, int format, int w, int h, u64
 	RING_LOCALS;
 	DRM_DEBUG("\n");
 
-	h = (h + 7) & ~7;
+	h = ALIGN(h, 8);
 	if (h < 8)
 		h = 8;
 
diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c b/drivers/gpu/drm/radeon/r600_blit_kms.c
index 446b765ac72a..f6c6c77db7e0 100644
--- a/drivers/gpu/drm/radeon/r600_blit_kms.c
+++ b/drivers/gpu/drm/radeon/r600_blit_kms.c
@@ -25,7 +25,7 @@ set_render_target(struct radeon_device *rdev, int format,
 	u32 cb_color_info;
 	int pitch, slice;
 
-	h = (h + 7) & ~7;
+	h = ALIGN(h, 8);
 	if (h < 8)
 		h = 8;
 
@@ -396,15 +396,13 @@ set_default_state(struct radeon_device *rdev)
 				    NUM_ES_STACK_ENTRIES(num_es_stack_entries));
 
 	/* emit an IB pointing at default state */
-	dwords = (rdev->r600_blit.state_len + 0xf) & ~0xf;
+	dwords = ALIGN(rdev->r600_blit.state_len, 0x10);
 	gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.state_offset;
 	radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
 	radeon_ring_write(rdev, gpu_addr & 0xFFFFFFFC);
 	radeon_ring_write(rdev, upper_32_bits(gpu_addr) & 0xFF);
 	radeon_ring_write(rdev, dwords);
 
-	radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0));
-	radeon_ring_write(rdev, CACHE_FLUSH_AND_INV_EVENT);
 	/* SQ config */
 	radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 6));
 	radeon_ring_write(rdev, (SQ_CONFIG - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
@@ -578,9 +576,9 @@ int r600_blit_prepare_copy(struct radeon_device *rdev, int size_bytes)
 	ring_size = num_loops * dwords_per_loop;
 	/* set default  + shaders */
 	ring_size += 40; /* shaders + def state */
-	ring_size += 7; /* fence emit for VB IB */
+	ring_size += 10; /* fence emit for VB IB */
 	ring_size += 5; /* done copy */
-	ring_size += 7; /* fence emit for done copy */
+	ring_size += 10; /* fence emit for done copy */
 	r = radeon_ring_lock(rdev, ring_size);
 	if (r)
 		return r;
@@ -594,13 +592,6 @@ void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence)
 {
 	int r;
 
-	radeon_ring_write(rdev, PACKET3(PACKET3_EVENT_WRITE, 0));
-	radeon_ring_write(rdev, CACHE_FLUSH_AND_INV_EVENT);
-	/* wait for 3D idle clean */
-	radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1));
-	radeon_ring_write(rdev, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
-	radeon_ring_write(rdev, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
-
 	if (rdev->r600_blit.vb_ib)
 		r600_vb_ib_put(rdev);
 
diff --git a/drivers/gpu/drm/radeon/r600_blit_shaders.c b/drivers/gpu/drm/radeon/r600_blit_shaders.c
index d745e815c2e8..0271b53fa2dd 100644
--- a/drivers/gpu/drm/radeon/r600_blit_shaders.c
+++ b/drivers/gpu/drm/radeon/r600_blit_shaders.c
@@ -1,7 +1,42 @@
+/*
+ * Copyright 2009 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *     Alex Deucher <alexander.deucher@amd.com>
+ */
 
 #include <linux/types.h>
 #include <linux/kernel.h>
 
+/*
+ * R6xx+ cards need to use the 3D engine to blit data which requires
+ * quite a bit of hw state setup.  Rather than pull the whole 3D driver
+ * (which normally generates the 3D state) into the DRM, we opt to use
+ * statically generated state tables.  The regsiter state and shaders
+ * were hand generated to support blitting functionality.  See the 3D
+ * driver or documentation for descriptions of the registers and
+ * shader instructions.
+ */
+
 const u32 r6xx_default_state[] =
 {
 	0xc0002400,
@@ -9,11 +44,6 @@ const u32 r6xx_default_state[] =
 	0xc0012800,
 	0x80000000,
 	0x80000000,
-	0xc0004600,
-	0x00000016,
-	0xc0016800,
-	0x00000010,
-	0x00028000,
 	0xc0016800,
 	0x00000010,
 	0x00008000,
@@ -531,11 +561,6 @@ const u32 r7xx_default_state[] =
 	0xc0012800,
 	0x80000000,
 	0x80000000,
-	0xc0004600,
-	0x00000016,
-	0xc0016800,
-	0x00000010,
-	0x00028000,
 	0xc0016800,
 	0x00000010,
 	0x00008000,
diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c
index 75bcf35a0931..68e6f4349309 100644
--- a/drivers/gpu/drm/radeon/r600_cp.c
+++ b/drivers/gpu/drm/radeon/r600_cp.c
@@ -734,8 +734,8 @@ static void r600_gfx_init(struct drm_device *dev,
 	u32 hdp_host_path_cntl;
 	u32 backend_map;
 	u32 gb_tiling_config = 0;
-	u32 cc_rb_backend_disable = 0;
-	u32 cc_gc_shader_pipe_config = 0;
+	u32 cc_rb_backend_disable;
+	u32 cc_gc_shader_pipe_config;
 	u32 ramcfg;
 
 	/* setup chip specs */
@@ -857,29 +857,44 @@ static void r600_gfx_init(struct drm_device *dev,
 
 	gb_tiling_config |= R600_BANK_SWAPS(1);
 
-	backend_map = r600_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
-							dev_priv->r600_max_backends,
-							(0xff << dev_priv->r600_max_backends) & 0xff);
-	gb_tiling_config |= R600_BACKEND_MAP(backend_map);
+	cc_rb_backend_disable = RADEON_READ(R600_CC_RB_BACKEND_DISABLE) & 0x00ff0000;
+	cc_rb_backend_disable |=
+		R600_BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R6XX_MAX_BACKENDS_MASK);
 
-	cc_gc_shader_pipe_config =
+	cc_gc_shader_pipe_config = RADEON_READ(R600_CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
+	cc_gc_shader_pipe_config |=
 		R600_INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R6XX_MAX_PIPES_MASK);
 	cc_gc_shader_pipe_config |=
 		R600_INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R6XX_MAX_SIMDS_MASK);
 
-	cc_rb_backend_disable =
-		R600_BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R6XX_MAX_BACKENDS_MASK);
+	backend_map = r600_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
+							(R6XX_MAX_BACKENDS -
+							 r600_count_pipe_bits((cc_rb_backend_disable &
+									       R6XX_MAX_BACKENDS_MASK) >> 16)),
+							(cc_rb_backend_disable >> 16));
+	gb_tiling_config |= R600_BACKEND_MAP(backend_map);
 
 	RADEON_WRITE(R600_GB_TILING_CONFIG,      gb_tiling_config);
 	RADEON_WRITE(R600_DCP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
 	RADEON_WRITE(R600_HDP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
+	if (gb_tiling_config & 0xc0) {
+		dev_priv->r600_group_size = 512;
+	} else {
+		dev_priv->r600_group_size = 256;
+	}
+	dev_priv->r600_npipes = 1 << ((gb_tiling_config >> 1) & 0x7);
+	if (gb_tiling_config & 0x30) {
+		dev_priv->r600_nbanks = 8;
+	} else {
+		dev_priv->r600_nbanks = 4;
+	}
 
 	RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
 	RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
 	RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
 
 	num_qd_pipes =
-		R6XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK);
+		R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK) >> 8);
 	RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
 	RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
 
@@ -1151,7 +1166,8 @@ static void r600_gfx_init(struct drm_device *dev,
 
 }
 
-static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
+static u32 r700_get_tile_pipe_to_backend_map(drm_radeon_private_t *dev_priv,
+					     u32 num_tile_pipes,
 					     u32 num_backends,
 					     u32 backend_disable_mask)
 {
@@ -1162,6 +1178,7 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
 	u32 swizzle_pipe[R7XX_MAX_PIPES];
 	u32 cur_backend;
 	u32 i;
+	bool force_no_swizzle;
 
 	if (num_tile_pipes > R7XX_MAX_PIPES)
 		num_tile_pipes = R7XX_MAX_PIPES;
@@ -1191,6 +1208,18 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
 	if (enabled_backends_count != num_backends)
 		num_backends = enabled_backends_count;
 
+	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
+	case CHIP_RV770:
+	case CHIP_RV730:
+		force_no_swizzle = false;
+		break;
+	case CHIP_RV710:
+	case CHIP_RV740:
+	default:
+		force_no_swizzle = true;
+		break;
+	}
+
 	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
 	switch (num_tile_pipes) {
 	case 1:
@@ -1201,49 +1230,100 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
 		swizzle_pipe[1] = 1;
 		break;
 	case 3:
-		swizzle_pipe[0] = 0;
-		swizzle_pipe[1] = 2;
-		swizzle_pipe[2] = 1;
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 1;
+		}
 		break;
 	case 4:
-		swizzle_pipe[0] = 0;
-		swizzle_pipe[1] = 2;
-		swizzle_pipe[2] = 3;
-		swizzle_pipe[3] = 1;
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+			swizzle_pipe[3] = 3;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 3;
+			swizzle_pipe[3] = 1;
+		}
 		break;
 	case 5:
-		swizzle_pipe[0] = 0;
-		swizzle_pipe[1] = 2;
-		swizzle_pipe[2] = 4;
-		swizzle_pipe[3] = 1;
-		swizzle_pipe[4] = 3;
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+			swizzle_pipe[3] = 3;
+			swizzle_pipe[4] = 4;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 4;
+			swizzle_pipe[3] = 1;
+			swizzle_pipe[4] = 3;
+		}
 		break;
 	case 6:
-		swizzle_pipe[0] = 0;
-		swizzle_pipe[1] = 2;
-		swizzle_pipe[2] = 4;
-		swizzle_pipe[3] = 5;
-		swizzle_pipe[4] = 3;
-		swizzle_pipe[5] = 1;
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+			swizzle_pipe[3] = 3;
+			swizzle_pipe[4] = 4;
+			swizzle_pipe[5] = 5;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 4;
+			swizzle_pipe[3] = 5;
+			swizzle_pipe[4] = 3;
+			swizzle_pipe[5] = 1;
+		}
 		break;
 	case 7:
-		swizzle_pipe[0] = 0;
-		swizzle_pipe[1] = 2;
-		swizzle_pipe[2] = 4;
-		swizzle_pipe[3] = 6;
-		swizzle_pipe[4] = 3;
-		swizzle_pipe[5] = 1;
-		swizzle_pipe[6] = 5;
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+			swizzle_pipe[3] = 3;
+			swizzle_pipe[4] = 4;
+			swizzle_pipe[5] = 5;
+			swizzle_pipe[6] = 6;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 4;
+			swizzle_pipe[3] = 6;
+			swizzle_pipe[4] = 3;
+			swizzle_pipe[5] = 1;
+			swizzle_pipe[6] = 5;
+		}
 		break;
 	case 8:
-		swizzle_pipe[0] = 0;
-		swizzle_pipe[1] = 2;
-		swizzle_pipe[2] = 4;
-		swizzle_pipe[3] = 6;
-		swizzle_pipe[4] = 3;
-		swizzle_pipe[5] = 1;
-		swizzle_pipe[6] = 7;
-		swizzle_pipe[7] = 5;
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+			swizzle_pipe[3] = 3;
+			swizzle_pipe[4] = 4;
+			swizzle_pipe[5] = 5;
+			swizzle_pipe[6] = 6;
+			swizzle_pipe[7] = 7;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 4;
+			swizzle_pipe[3] = 6;
+			swizzle_pipe[4] = 3;
+			swizzle_pipe[5] = 1;
+			swizzle_pipe[6] = 7;
+			swizzle_pipe[7] = 5;
+		}
 		break;
 	}
 
@@ -1264,8 +1344,10 @@ static void r700_gfx_init(struct drm_device *dev,
 			  drm_radeon_private_t *dev_priv)
 {
 	int i, j, num_qd_pipes;
+	u32 ta_aux_cntl;
 	u32 sx_debug_1;
 	u32 smx_dc_ctl0;
+	u32 db_debug3;
 	u32 num_gs_verts_per_thread;
 	u32 vgt_gs_per_es;
 	u32 gs_prim_buffer_depth = 0;
@@ -1276,8 +1358,8 @@ static void r700_gfx_init(struct drm_device *dev,
 	u32 sq_dyn_gpr_size_simd_ab_0;
 	u32 backend_map;
 	u32 gb_tiling_config = 0;
-	u32 cc_rb_backend_disable = 0;
-	u32 cc_gc_shader_pipe_config = 0;
+	u32 cc_rb_backend_disable;
+	u32 cc_gc_shader_pipe_config;
 	u32 mc_arb_ramcfg;
 	u32 db_debug4;
 
@@ -1428,25 +1510,41 @@ static void r700_gfx_init(struct drm_device *dev,
 
 	gb_tiling_config |= R600_BANK_SWAPS(1);
 
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV740)
-		backend_map = 0x28;
-	else
-		backend_map = r700_get_tile_pipe_to_backend_map(dev_priv->r600_max_tile_pipes,
-								dev_priv->r600_max_backends,
-								(0xff << dev_priv->r600_max_backends) & 0xff);
-	gb_tiling_config |= R600_BACKEND_MAP(backend_map);
+	cc_rb_backend_disable = RADEON_READ(R600_CC_RB_BACKEND_DISABLE) & 0x00ff0000;
+	cc_rb_backend_disable |=
+		R600_BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R7XX_MAX_BACKENDS_MASK);
 
-	cc_gc_shader_pipe_config =
+	cc_gc_shader_pipe_config = RADEON_READ(R600_CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
+	cc_gc_shader_pipe_config |=
 		R600_INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << dev_priv->r600_max_pipes) & R7XX_MAX_PIPES_MASK);
 	cc_gc_shader_pipe_config |=
 		R600_INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << dev_priv->r600_max_simds) & R7XX_MAX_SIMDS_MASK);
 
-	cc_rb_backend_disable =
-		R600_BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << dev_priv->r600_max_backends) & R7XX_MAX_BACKENDS_MASK);
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV740)
+		backend_map = 0x28;
+	else
+		backend_map = r700_get_tile_pipe_to_backend_map(dev_priv,
+								dev_priv->r600_max_tile_pipes,
+								(R7XX_MAX_BACKENDS -
+								 r600_count_pipe_bits((cc_rb_backend_disable &
+										       R7XX_MAX_BACKENDS_MASK) >> 16)),
+								(cc_rb_backend_disable >> 16));
+	gb_tiling_config |= R600_BACKEND_MAP(backend_map);
 
 	RADEON_WRITE(R600_GB_TILING_CONFIG,      gb_tiling_config);
 	RADEON_WRITE(R600_DCP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
 	RADEON_WRITE(R600_HDP_TILING_CONFIG,    (gb_tiling_config & 0xffff));
+	if (gb_tiling_config & 0xc0) {
+		dev_priv->r600_group_size = 512;
+	} else {
+		dev_priv->r600_group_size = 256;
+	}
+	dev_priv->r600_npipes = 1 << ((gb_tiling_config >> 1) & 0x7);
+	if (gb_tiling_config & 0x30) {
+		dev_priv->r600_nbanks = 8;
+	} else {
+		dev_priv->r600_nbanks = 4;
+	}
 
 	RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
 	RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
@@ -1459,7 +1557,7 @@ static void r700_gfx_init(struct drm_device *dev,
 	RADEON_WRITE(R700_CGTS_USER_TCC_DISABLE, 0);
 
 	num_qd_pipes =
-		R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK);
+		R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & R600_INACTIVE_QD_PIPES_MASK) >> 8);
 	RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & R600_DEALLOC_DIST_MASK);
 	RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & R600_VTX_REUSE_DEPTH_MASK);
 
@@ -1469,10 +1567,8 @@ static void r700_gfx_init(struct drm_device *dev,
 
 	RADEON_WRITE(R600_CP_MEQ_THRESHOLDS, R700_STQ_SPLIT(0x30));
 
-	RADEON_WRITE(R600_TA_CNTL_AUX, (R600_DISABLE_CUBE_ANISO |
-					R600_SYNC_GRADIENT |
-					R600_SYNC_WALKER |
-					R600_SYNC_ALIGNER));
+	ta_aux_cntl = RADEON_READ(R600_TA_CNTL_AUX);
+	RADEON_WRITE(R600_TA_CNTL_AUX, ta_aux_cntl | R600_DISABLE_CUBE_ANISO);
 
 	sx_debug_1 = RADEON_READ(R700_SX_DEBUG_1);
 	sx_debug_1 |= R700_ENABLE_NEW_SMX_ADDRESS;
@@ -1483,14 +1579,28 @@ static void r700_gfx_init(struct drm_device *dev,
 	smx_dc_ctl0 |= R700_CACHE_DEPTH((dev_priv->r700_sx_num_of_sets * 64) - 1);
 	RADEON_WRITE(R600_SMX_DC_CTL0, smx_dc_ctl0);
 
-	RADEON_WRITE(R700_SMX_EVENT_CTL, (R700_ES_FLUSH_CTL(4) |
-					  R700_GS_FLUSH_CTL(4) |
-					  R700_ACK_FLUSH_CTL(3) |
-					  R700_SYNC_FLUSH_CTL));
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) != CHIP_RV740)
+		RADEON_WRITE(R700_SMX_EVENT_CTL, (R700_ES_FLUSH_CTL(4) |
+						  R700_GS_FLUSH_CTL(4) |
+						  R700_ACK_FLUSH_CTL(3) |
+						  R700_SYNC_FLUSH_CTL));
 
-	if ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)
-		RADEON_WRITE(R700_DB_DEBUG3, R700_DB_CLK_OFF_DELAY(0x1f));
-	else {
+	db_debug3 = RADEON_READ(R700_DB_DEBUG3);
+	db_debug3 &= ~R700_DB_CLK_OFF_DELAY(0x1f);
+	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
+	case CHIP_RV770:
+	case CHIP_RV740:
+		db_debug3 |= R700_DB_CLK_OFF_DELAY(0x1f);
+		break;
+	case CHIP_RV710:
+	case CHIP_RV730:
+	default:
+		db_debug3 |= R700_DB_CLK_OFF_DELAY(2);
+		break;
+	}
+	RADEON_WRITE(R700_DB_DEBUG3, db_debug3);
+
+	if ((dev_priv->flags & RADEON_FAMILY_MASK) != CHIP_RV770) {
 		db_debug4 = RADEON_READ(RV700_DB_DEBUG4);
 		db_debug4 |= RV700_DISABLE_TILE_COVERED_FOR_PS_ITER;
 		RADEON_WRITE(RV700_DB_DEBUG4, db_debug4);
@@ -1519,10 +1629,10 @@ static void r700_gfx_init(struct drm_device *dev,
 			    R600_ALU_UPDATE_FIFO_HIWATER(0x8));
 	switch (dev_priv->flags & RADEON_FAMILY_MASK) {
 	case CHIP_RV770:
-		sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x1);
-		break;
 	case CHIP_RV730:
 	case CHIP_RV710:
+		sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x1);
+		break;
 	case CHIP_RV740:
 	default:
 		sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x4);
@@ -2529,3 +2639,12 @@ out:
 	mutex_unlock(&dev_priv->cs_mutex);
 	return r;
 }
+
+void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size)
+{
+	struct drm_radeon_private *dev_priv = dev->dev_private;
+
+	*npipes = dev_priv->r600_npipes;
+	*nbanks = dev_priv->r600_nbanks;
+	*group_size = dev_priv->r600_group_size;
+}
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index e4c45ec16507..c39c1bc13016 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -28,6 +28,7 @@
 #include "drmP.h"
 #include "radeon.h"
 #include "r600d.h"
+#include "r600_reg_safe.h"
 
 static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p,
 					struct radeon_cs_reloc **cs_reloc);
@@ -35,11 +36,316 @@ static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
 					struct radeon_cs_reloc **cs_reloc);
 typedef int (*next_reloc_t)(struct radeon_cs_parser*, struct radeon_cs_reloc**);
 static next_reloc_t r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_mm;
+extern void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size);
+
 
 struct r600_cs_track {
-	u32	cb_color0_base_last;
+	/* configuration we miror so that we use same code btw kms/ums */
+	u32			group_size;
+	u32			nbanks;
+	u32			npipes;
+	/* value we track */
+	u32			sq_config;
+	u32			nsamples;
+	u32			cb_color_base_last[8];
+	struct radeon_bo	*cb_color_bo[8];
+	u32			cb_color_bo_offset[8];
+	struct radeon_bo	*cb_color_frag_bo[8];
+	struct radeon_bo	*cb_color_tile_bo[8];
+	u32			cb_color_info[8];
+	u32			cb_color_size_idx[8];
+	u32			cb_target_mask;
+	u32			cb_shader_mask;
+	u32			cb_color_size[8];
+	u32			vgt_strmout_en;
+	u32			vgt_strmout_buffer_en;
+	u32			db_depth_control;
+	u32			db_depth_info;
+	u32			db_depth_size_idx;
+	u32			db_depth_view;
+	u32			db_depth_size;
+	u32			db_offset;
+	struct radeon_bo	*db_bo;
 };
 
+static inline int r600_bpe_from_format(u32 *bpe, u32 format)
+{
+	switch (format) {
+	case V_038004_COLOR_8:
+	case V_038004_COLOR_4_4:
+	case V_038004_COLOR_3_3_2:
+	case V_038004_FMT_1:
+		*bpe = 1;
+		break;
+	case V_038004_COLOR_16:
+	case V_038004_COLOR_16_FLOAT:
+	case V_038004_COLOR_8_8:
+	case V_038004_COLOR_5_6_5:
+	case V_038004_COLOR_6_5_5:
+	case V_038004_COLOR_1_5_5_5:
+	case V_038004_COLOR_4_4_4_4:
+	case V_038004_COLOR_5_5_5_1:
+		*bpe = 2;
+		break;
+	case V_038004_FMT_8_8_8:
+		*bpe = 3;
+		break;
+	case V_038004_COLOR_32:
+	case V_038004_COLOR_32_FLOAT:
+	case V_038004_COLOR_16_16:
+	case V_038004_COLOR_16_16_FLOAT:
+	case V_038004_COLOR_8_24:
+	case V_038004_COLOR_8_24_FLOAT:
+	case V_038004_COLOR_24_8:
+	case V_038004_COLOR_24_8_FLOAT:
+	case V_038004_COLOR_10_11_11:
+	case V_038004_COLOR_10_11_11_FLOAT:
+	case V_038004_COLOR_11_11_10:
+	case V_038004_COLOR_11_11_10_FLOAT:
+	case V_038004_COLOR_2_10_10_10:
+	case V_038004_COLOR_8_8_8_8:
+	case V_038004_COLOR_10_10_10_2:
+	case V_038004_FMT_5_9_9_9_SHAREDEXP:
+	case V_038004_FMT_32_AS_8:
+	case V_038004_FMT_32_AS_8_8:
+		*bpe = 4;
+		break;
+	case V_038004_COLOR_X24_8_32_FLOAT:
+	case V_038004_COLOR_32_32:
+	case V_038004_COLOR_32_32_FLOAT:
+	case V_038004_COLOR_16_16_16_16:
+	case V_038004_COLOR_16_16_16_16_FLOAT:
+		*bpe = 8;
+		break;
+	case V_038004_FMT_16_16_16:
+	case V_038004_FMT_16_16_16_FLOAT:
+		*bpe = 6;
+		break;
+	case V_038004_FMT_32_32_32:
+	case V_038004_FMT_32_32_32_FLOAT:
+		*bpe = 12;
+		break;
+	case V_038004_COLOR_32_32_32_32:
+	case V_038004_COLOR_32_32_32_32_FLOAT:
+		*bpe = 16;
+		break;
+	case V_038004_FMT_GB_GR:
+	case V_038004_FMT_BG_RG:
+	case V_038004_COLOR_INVALID:
+		*bpe = 16;
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static void r600_cs_track_init(struct r600_cs_track *track)
+{
+	int i;
+
+	/* assume DX9 mode */
+	track->sq_config = DX9_CONSTS;
+	for (i = 0; i < 8; i++) {
+		track->cb_color_base_last[i] = 0;
+		track->cb_color_size[i] = 0;
+		track->cb_color_size_idx[i] = 0;
+		track->cb_color_info[i] = 0;
+		track->cb_color_bo[i] = NULL;
+		track->cb_color_bo_offset[i] = 0xFFFFFFFF;
+	}
+	track->cb_target_mask = 0xFFFFFFFF;
+	track->cb_shader_mask = 0xFFFFFFFF;
+	track->db_bo = NULL;
+	/* assume the biggest format and that htile is enabled */
+	track->db_depth_info = 7 | (1 << 25);
+	track->db_depth_view = 0xFFFFC000;
+	track->db_depth_size = 0xFFFFFFFF;
+	track->db_depth_size_idx = 0;
+	track->db_depth_control = 0xFFFFFFFF;
+}
+
+static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
+{
+	struct r600_cs_track *track = p->track;
+	u32 bpe = 0, pitch, slice_tile_max, size, tmp, height;
+	volatile u32 *ib = p->ib->ptr;
+
+	if (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
+		dev_warn(p->dev, "FMASK or CMASK buffer are not supported by this kernel\n");
+		return -EINVAL;
+	}
+	size = radeon_bo_size(track->cb_color_bo[i]);
+	if (r600_bpe_from_format(&bpe, G_0280A0_FORMAT(track->cb_color_info[i]))) {
+		dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n",
+			 __func__, __LINE__, G_0280A0_FORMAT(track->cb_color_info[i]),
+			i, track->cb_color_info[i]);
+		return -EINVAL;
+	}
+	pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) << 3;
+	slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1;
+	if (!pitch) {
+		dev_warn(p->dev, "%s:%d cb pitch (%d) for %d invalid (0x%08X)\n",
+			__func__, __LINE__, pitch, i, track->cb_color_size[i]);
+		return -EINVAL;
+	}
+	height = size / (pitch * bpe);
+	if (height > 8192)
+		height = 8192;
+	switch (G_0280A0_ARRAY_MODE(track->cb_color_info[i])) {
+	case V_0280A0_ARRAY_LINEAR_GENERAL:
+	case V_0280A0_ARRAY_LINEAR_ALIGNED:
+		if (pitch & 0x3f) {
+			dev_warn(p->dev, "%s:%d cb pitch (%d x %d = %d) invalid\n",
+				__func__, __LINE__, pitch, bpe, pitch * bpe);
+			return -EINVAL;
+		}
+		if ((pitch * bpe) & (track->group_size - 1)) {
+			dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
+				__func__, __LINE__, pitch);
+			return -EINVAL;
+		}
+		break;
+	case V_0280A0_ARRAY_1D_TILED_THIN1:
+		if ((pitch * 8 * bpe * track->nsamples) & (track->group_size - 1)) {
+			dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
+				__func__, __LINE__, pitch);
+			return -EINVAL;
+		}
+		height &= ~0x7;
+		if (!height)
+			height = 8;
+		break;
+	case V_0280A0_ARRAY_2D_TILED_THIN1:
+		if (pitch & ((8 * track->nbanks) - 1)) {
+			dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
+				__func__, __LINE__, pitch);
+			return -EINVAL;
+		}
+		tmp = pitch * 8 * bpe * track->nsamples;
+		tmp = tmp / track->nbanks;
+		if (tmp & (track->group_size - 1)) {
+			dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
+				__func__, __LINE__, pitch);
+			return -EINVAL;
+		}
+		height &= ~((16 * track->npipes) - 1);
+		if (!height)
+			height = 16 * track->npipes;
+		break;
+	default:
+		dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
+			G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
+			track->cb_color_info[i]);
+		return -EINVAL;
+	}
+	/* check offset */
+	tmp = height * pitch;
+	if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) {
+		dev_warn(p->dev, "%s offset[%d] %d to big\n", __func__, i, track->cb_color_bo_offset[i]);
+		return -EINVAL;
+	}
+	/* limit max tile */
+	tmp = (height * pitch) >> 6;
+	if (tmp < slice_tile_max)
+		slice_tile_max = tmp;
+	tmp = S_028060_PITCH_TILE_MAX((pitch >> 3) - 1) |
+		S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
+	ib[track->cb_color_size_idx[i]] = tmp;
+	return 0;
+}
+
+static int r600_cs_track_check(struct radeon_cs_parser *p)
+{
+	struct r600_cs_track *track = p->track;
+	u32 tmp;
+	int r, i;
+	volatile u32 *ib = p->ib->ptr;
+
+	/* on legacy kernel we don't perform advanced check */
+	if (p->rdev == NULL)
+		return 0;
+	/* we don't support out buffer yet */
+	if (track->vgt_strmout_en || track->vgt_strmout_buffer_en) {
+		dev_warn(p->dev, "this kernel doesn't support SMX output buffer\n");
+		return -EINVAL;
+	}
+	/* check that we have a cb for each enabled target, we don't check
+	 * shader_mask because it seems mesa isn't always setting it :(
+	 */
+	tmp = track->cb_target_mask;
+	for (i = 0; i < 8; i++) {
+		if ((tmp >> (i * 4)) & 0xF) {
+			/* at least one component is enabled */
+			if (track->cb_color_bo[i] == NULL) {
+				dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
+					__func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
+				return -EINVAL;
+			}
+			/* perform rewrite of CB_COLOR[0-7]_SIZE */
+			r = r600_cs_track_validate_cb(p, i);
+			if (r)
+				return r;
+		}
+	}
+	/* Check depth buffer */
+	if (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
+		G_028800_Z_ENABLE(track->db_depth_control)) {
+		u32 nviews, bpe, ntiles;
+		if (track->db_bo == NULL) {
+			dev_warn(p->dev, "z/stencil with no depth buffer\n");
+			return -EINVAL;
+		}
+		if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
+			dev_warn(p->dev, "this kernel doesn't support z/stencil htile\n");
+			return -EINVAL;
+		}
+		switch (G_028010_FORMAT(track->db_depth_info)) {
+		case V_028010_DEPTH_16:
+			bpe = 2;
+			break;
+		case V_028010_DEPTH_X8_24:
+		case V_028010_DEPTH_8_24:
+		case V_028010_DEPTH_X8_24_FLOAT:
+		case V_028010_DEPTH_8_24_FLOAT:
+		case V_028010_DEPTH_32_FLOAT:
+			bpe = 4;
+			break;
+		case V_028010_DEPTH_X24_8_32_FLOAT:
+			bpe = 8;
+			break;
+		default:
+			dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info));
+			return -EINVAL;
+		}
+		if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
+			if (!track->db_depth_size_idx) {
+				dev_warn(p->dev, "z/stencil buffer size not set\n");
+				return -EINVAL;
+			}
+			printk_once(KERN_WARNING "You have old & broken userspace please consider updating mesa\n");
+			tmp = radeon_bo_size(track->db_bo) - track->db_offset;
+			tmp = (tmp / bpe) >> 6;
+			if (!tmp) {
+				dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
+						track->db_depth_size, bpe, track->db_offset,
+						radeon_bo_size(track->db_bo));
+				return -EINVAL;
+			}
+			ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
+		} else {
+			ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
+			nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
+			tmp = ntiles * bpe * 64 * nviews;
+			if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
+				dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %d -> %d have %ld)\n",
+						track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
+						radeon_bo_size(track->db_bo));
+				return -EINVAL;
+			}
+		}
+	}
+	return 0;
+}
+
 /**
  * r600_cs_packet_parse() - parse cp packet and point ib index to next packet
  * @parser:	parser structure holding parsing context.
@@ -359,6 +665,385 @@ static int r600_cs_parse_packet0(struct radeon_cs_parser *p,
 	return 0;
 }
 
+/**
+ * r600_cs_check_reg() - check if register is authorized or not
+ * @parser: parser structure holding parsing context
+ * @reg: register we are testing
+ * @idx: index into the cs buffer
+ *
+ * This function will test against r600_reg_safe_bm and return 0
+ * if register is safe. If register is not flag as safe this function
+ * will test it against a list of register needind special handling.
+ */
+static inline int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
+{
+	struct r600_cs_track *track = (struct r600_cs_track *)p->track;
+	struct radeon_cs_reloc *reloc;
+	u32 last_reg = ARRAY_SIZE(r600_reg_safe_bm);
+	u32 m, i, tmp, *ib;
+	int r;
+
+	i = (reg >> 7);
+	if (i > last_reg) {
+		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
+		return -EINVAL;
+	}
+	m = 1 << ((reg >> 2) & 31);
+	if (!(r600_reg_safe_bm[i] & m))
+		return 0;
+	ib = p->ib->ptr;
+	switch (reg) {
+	/* force following reg to 0 in an attemp to disable out buffer
+	 * which will need us to better understand how it works to perform
+	 * security check on it (Jerome)
+	 */
+	case R_0288A8_SQ_ESGS_RING_ITEMSIZE:
+	case R_008C44_SQ_ESGS_RING_SIZE:
+	case R_0288B0_SQ_ESTMP_RING_ITEMSIZE:
+	case R_008C54_SQ_ESTMP_RING_SIZE:
+	case R_0288C0_SQ_FBUF_RING_ITEMSIZE:
+	case R_008C74_SQ_FBUF_RING_SIZE:
+	case R_0288B4_SQ_GSTMP_RING_ITEMSIZE:
+	case R_008C5C_SQ_GSTMP_RING_SIZE:
+	case R_0288AC_SQ_GSVS_RING_ITEMSIZE:
+	case R_008C4C_SQ_GSVS_RING_SIZE:
+	case R_0288BC_SQ_PSTMP_RING_ITEMSIZE:
+	case R_008C6C_SQ_PSTMP_RING_SIZE:
+	case R_0288C4_SQ_REDUC_RING_ITEMSIZE:
+	case R_008C7C_SQ_REDUC_RING_SIZE:
+	case R_0288B8_SQ_VSTMP_RING_ITEMSIZE:
+	case R_008C64_SQ_VSTMP_RING_SIZE:
+	case R_0288C8_SQ_GS_VERT_ITEMSIZE:
+		/* get value to populate the IB don't remove */
+		tmp =radeon_get_ib_value(p, idx);
+		ib[idx] = 0;
+		break;
+	case SQ_CONFIG:
+		track->sq_config = radeon_get_ib_value(p, idx);
+		break;
+	case R_028800_DB_DEPTH_CONTROL:
+		track->db_depth_control = radeon_get_ib_value(p, idx);
+		break;
+	case R_028010_DB_DEPTH_INFO:
+		track->db_depth_info = radeon_get_ib_value(p, idx);
+		break;
+	case R_028004_DB_DEPTH_VIEW:
+		track->db_depth_view = radeon_get_ib_value(p, idx);
+		break;
+	case R_028000_DB_DEPTH_SIZE:
+		track->db_depth_size = radeon_get_ib_value(p, idx);
+		track->db_depth_size_idx = idx;
+		break;
+	case R_028AB0_VGT_STRMOUT_EN:
+		track->vgt_strmout_en = radeon_get_ib_value(p, idx);
+		break;
+	case R_028B20_VGT_STRMOUT_BUFFER_EN:
+		track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx);
+		break;
+	case R_028238_CB_TARGET_MASK:
+		track->cb_target_mask = radeon_get_ib_value(p, idx);
+		break;
+	case R_02823C_CB_SHADER_MASK:
+		track->cb_shader_mask = radeon_get_ib_value(p, idx);
+		break;
+	case R_028C04_PA_SC_AA_CONFIG:
+		tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx));
+		track->nsamples = 1 << tmp;
+		break;
+	case R_0280A0_CB_COLOR0_INFO:
+	case R_0280A4_CB_COLOR1_INFO:
+	case R_0280A8_CB_COLOR2_INFO:
+	case R_0280AC_CB_COLOR3_INFO:
+	case R_0280B0_CB_COLOR4_INFO:
+	case R_0280B4_CB_COLOR5_INFO:
+	case R_0280B8_CB_COLOR6_INFO:
+	case R_0280BC_CB_COLOR7_INFO:
+		tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
+		track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
+		break;
+	case R_028060_CB_COLOR0_SIZE:
+	case R_028064_CB_COLOR1_SIZE:
+	case R_028068_CB_COLOR2_SIZE:
+	case R_02806C_CB_COLOR3_SIZE:
+	case R_028070_CB_COLOR4_SIZE:
+	case R_028074_CB_COLOR5_SIZE:
+	case R_028078_CB_COLOR6_SIZE:
+	case R_02807C_CB_COLOR7_SIZE:
+		tmp = (reg - R_028060_CB_COLOR0_SIZE) / 4;
+		track->cb_color_size[tmp] = radeon_get_ib_value(p, idx);
+		track->cb_color_size_idx[tmp] = idx;
+		break;
+		/* This register were added late, there is userspace
+		 * which does provide relocation for those but set
+		 * 0 offset. In order to avoid breaking old userspace
+		 * we detect this and set address to point to last
+		 * CB_COLOR0_BASE, note that if userspace doesn't set
+		 * CB_COLOR0_BASE before this register we will report
+		 * error. Old userspace always set CB_COLOR0_BASE
+		 * before any of this.
+		 */
+	case R_0280E0_CB_COLOR0_FRAG:
+	case R_0280E4_CB_COLOR1_FRAG:
+	case R_0280E8_CB_COLOR2_FRAG:
+	case R_0280EC_CB_COLOR3_FRAG:
+	case R_0280F0_CB_COLOR4_FRAG:
+	case R_0280F4_CB_COLOR5_FRAG:
+	case R_0280F8_CB_COLOR6_FRAG:
+	case R_0280FC_CB_COLOR7_FRAG:
+		tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4;
+		if (!r600_cs_packet_next_is_pkt3_nop(p)) {
+			if (!track->cb_color_base_last[tmp]) {
+				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
+				return -EINVAL;
+			}
+			ib[idx] = track->cb_color_base_last[tmp];
+			printk_once(KERN_WARNING "You have old & broken userspace "
+					"please consider updating mesa & xf86-video-ati\n");
+			track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp];
+		} else {
+			r = r600_cs_packet_next_reloc(p, &reloc);
+			if (r) {
+				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
+				return -EINVAL;
+			}
+			ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+			track->cb_color_frag_bo[tmp] = reloc->robj;
+		}
+		break;
+	case R_0280C0_CB_COLOR0_TILE:
+	case R_0280C4_CB_COLOR1_TILE:
+	case R_0280C8_CB_COLOR2_TILE:
+	case R_0280CC_CB_COLOR3_TILE:
+	case R_0280D0_CB_COLOR4_TILE:
+	case R_0280D4_CB_COLOR5_TILE:
+	case R_0280D8_CB_COLOR6_TILE:
+	case R_0280DC_CB_COLOR7_TILE:
+		tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4;
+		if (!r600_cs_packet_next_is_pkt3_nop(p)) {
+			if (!track->cb_color_base_last[tmp]) {
+				dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
+				return -EINVAL;
+			}
+			ib[idx] = track->cb_color_base_last[tmp];
+			printk_once(KERN_WARNING "You have old & broken userspace "
+					"please consider updating mesa & xf86-video-ati\n");
+			track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp];
+		} else {
+			r = r600_cs_packet_next_reloc(p, &reloc);
+			if (r) {
+				dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
+				return -EINVAL;
+			}
+			ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+			track->cb_color_tile_bo[tmp] = reloc->robj;
+		}
+		break;
+	case CB_COLOR0_BASE:
+	case CB_COLOR1_BASE:
+	case CB_COLOR2_BASE:
+	case CB_COLOR3_BASE:
+	case CB_COLOR4_BASE:
+	case CB_COLOR5_BASE:
+	case CB_COLOR6_BASE:
+	case CB_COLOR7_BASE:
+		r = r600_cs_packet_next_reloc(p, &reloc);
+		if (r) {
+			dev_warn(p->dev, "bad SET_CONTEXT_REG "
+					"0x%04X\n", reg);
+			return -EINVAL;
+		}
+		tmp = (reg - CB_COLOR0_BASE) / 4;
+		track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx);
+		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+		track->cb_color_base_last[tmp] = ib[idx];
+		track->cb_color_bo[tmp] = reloc->robj;
+		break;
+	case DB_DEPTH_BASE:
+		r = r600_cs_packet_next_reloc(p, &reloc);
+		if (r) {
+			dev_warn(p->dev, "bad SET_CONTEXT_REG "
+					"0x%04X\n", reg);
+			return -EINVAL;
+		}
+		track->db_offset = radeon_get_ib_value(p, idx);
+		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+		track->db_bo = reloc->robj;
+		break;
+	case DB_HTILE_DATA_BASE:
+	case SQ_PGM_START_FS:
+	case SQ_PGM_START_ES:
+	case SQ_PGM_START_VS:
+	case SQ_PGM_START_GS:
+	case SQ_PGM_START_PS:
+	case SQ_ALU_CONST_CACHE_GS_0:
+	case SQ_ALU_CONST_CACHE_GS_1:
+	case SQ_ALU_CONST_CACHE_GS_2:
+	case SQ_ALU_CONST_CACHE_GS_3:
+	case SQ_ALU_CONST_CACHE_GS_4:
+	case SQ_ALU_CONST_CACHE_GS_5:
+	case SQ_ALU_CONST_CACHE_GS_6:
+	case SQ_ALU_CONST_CACHE_GS_7:
+	case SQ_ALU_CONST_CACHE_GS_8:
+	case SQ_ALU_CONST_CACHE_GS_9:
+	case SQ_ALU_CONST_CACHE_GS_10:
+	case SQ_ALU_CONST_CACHE_GS_11:
+	case SQ_ALU_CONST_CACHE_GS_12:
+	case SQ_ALU_CONST_CACHE_GS_13:
+	case SQ_ALU_CONST_CACHE_GS_14:
+	case SQ_ALU_CONST_CACHE_GS_15:
+	case SQ_ALU_CONST_CACHE_PS_0:
+	case SQ_ALU_CONST_CACHE_PS_1:
+	case SQ_ALU_CONST_CACHE_PS_2:
+	case SQ_ALU_CONST_CACHE_PS_3:
+	case SQ_ALU_CONST_CACHE_PS_4:
+	case SQ_ALU_CONST_CACHE_PS_5:
+	case SQ_ALU_CONST_CACHE_PS_6:
+	case SQ_ALU_CONST_CACHE_PS_7:
+	case SQ_ALU_CONST_CACHE_PS_8:
+	case SQ_ALU_CONST_CACHE_PS_9:
+	case SQ_ALU_CONST_CACHE_PS_10:
+	case SQ_ALU_CONST_CACHE_PS_11:
+	case SQ_ALU_CONST_CACHE_PS_12:
+	case SQ_ALU_CONST_CACHE_PS_13:
+	case SQ_ALU_CONST_CACHE_PS_14:
+	case SQ_ALU_CONST_CACHE_PS_15:
+	case SQ_ALU_CONST_CACHE_VS_0:
+	case SQ_ALU_CONST_CACHE_VS_1:
+	case SQ_ALU_CONST_CACHE_VS_2:
+	case SQ_ALU_CONST_CACHE_VS_3:
+	case SQ_ALU_CONST_CACHE_VS_4:
+	case SQ_ALU_CONST_CACHE_VS_5:
+	case SQ_ALU_CONST_CACHE_VS_6:
+	case SQ_ALU_CONST_CACHE_VS_7:
+	case SQ_ALU_CONST_CACHE_VS_8:
+	case SQ_ALU_CONST_CACHE_VS_9:
+	case SQ_ALU_CONST_CACHE_VS_10:
+	case SQ_ALU_CONST_CACHE_VS_11:
+	case SQ_ALU_CONST_CACHE_VS_12:
+	case SQ_ALU_CONST_CACHE_VS_13:
+	case SQ_ALU_CONST_CACHE_VS_14:
+	case SQ_ALU_CONST_CACHE_VS_15:
+		r = r600_cs_packet_next_reloc(p, &reloc);
+		if (r) {
+			dev_warn(p->dev, "bad SET_CONTEXT_REG "
+					"0x%04X\n", reg);
+			return -EINVAL;
+		}
+		ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+		break;
+	default:
+		dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static inline unsigned minify(unsigned size, unsigned levels)
+{
+	size = size >> levels;
+	if (size < 1)
+		size = 1;
+	return size;
+}
+
+static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned nlevels,
+				unsigned w0, unsigned h0, unsigned d0, unsigned bpe,
+				unsigned *l0_size, unsigned *mipmap_size)
+{
+	unsigned offset, i, level, face;
+	unsigned width, height, depth, rowstride, size;
+
+	w0 = minify(w0, 0);
+	h0 = minify(h0, 0);
+	d0 = minify(d0, 0);
+	for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) {
+		width = minify(w0, i);
+		height = minify(h0, i);
+		depth = minify(d0, i);
+		for(face = 0; face < nfaces; face++) {
+			rowstride = ((width * bpe) + 255) & ~255;
+			size = height * rowstride * depth;
+			offset += size;
+			offset = (offset + 0x1f) & ~0x1f;
+		}
+	}
+	*l0_size = (((w0 * bpe) + 255) & ~255) * h0 * d0;
+	*mipmap_size = offset;
+	if (!blevel)
+		*mipmap_size -= *l0_size;
+	if (!nlevels)
+		*mipmap_size = *l0_size;
+}
+
+/**
+ * r600_check_texture_resource() - check if register is authorized or not
+ * @p: parser structure holding parsing context
+ * @idx: index into the cs buffer
+ * @texture: texture's bo structure
+ * @mipmap: mipmap's bo structure
+ *
+ * This function will check that the resource has valid field and that
+ * the texture and mipmap bo object are big enough to cover this resource.
+ */
+static inline int r600_check_texture_resource(struct radeon_cs_parser *p,  u32 idx,
+						struct radeon_bo *texture,
+						struct radeon_bo *mipmap)
+{
+	u32 nfaces, nlevels, blevel, w0, h0, d0, bpe = 0;
+	u32 word0, word1, l0_size, mipmap_size;
+
+	/* on legacy kernel we don't perform advanced check */
+	if (p->rdev == NULL)
+		return 0;
+	word0 = radeon_get_ib_value(p, idx + 0);
+	word1 = radeon_get_ib_value(p, idx + 1);
+	w0 = G_038000_TEX_WIDTH(word0) + 1;
+	h0 = G_038004_TEX_HEIGHT(word1) + 1;
+	d0 = G_038004_TEX_DEPTH(word1);
+	nfaces = 1;
+	switch (G_038000_DIM(word0)) {
+	case V_038000_SQ_TEX_DIM_1D:
+	case V_038000_SQ_TEX_DIM_2D:
+	case V_038000_SQ_TEX_DIM_3D:
+		break;
+	case V_038000_SQ_TEX_DIM_CUBEMAP:
+		nfaces = 6;
+		break;
+	case V_038000_SQ_TEX_DIM_1D_ARRAY:
+	case V_038000_SQ_TEX_DIM_2D_ARRAY:
+	case V_038000_SQ_TEX_DIM_2D_MSAA:
+	case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA:
+	default:
+		dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0));
+		return -EINVAL;
+	}
+	if (r600_bpe_from_format(&bpe,  G_038004_DATA_FORMAT(word1))) {
+		dev_warn(p->dev, "%s:%d texture invalid format %d\n",
+			 __func__, __LINE__, G_038004_DATA_FORMAT(word1));
+		return -EINVAL;
+	}
+	word0 = radeon_get_ib_value(p, idx + 4);
+	word1 = radeon_get_ib_value(p, idx + 5);
+	blevel = G_038010_BASE_LEVEL(word0);
+	nlevels = G_038014_LAST_LEVEL(word1);
+	r600_texture_size(nfaces, blevel, nlevels, w0, h0, d0, bpe, &l0_size, &mipmap_size);
+	/* using get ib will give us the offset into the texture bo */
+	word0 = radeon_get_ib_value(p, idx + 2);
+	if ((l0_size + word0) > radeon_bo_size(texture)) {
+		dev_warn(p->dev, "texture bo too small (%d %d %d %d -> %d have %ld)\n",
+			w0, h0, bpe, word0, l0_size, radeon_bo_size(texture));
+		return -EINVAL;
+	}
+	/* using get ib will give us the offset into the mipmap bo */
+	word0 = radeon_get_ib_value(p, idx + 3);
+	if ((mipmap_size + word0) > radeon_bo_size(mipmap)) {
+		dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",
+			w0, h0, bpe, blevel, nlevels, word0, mipmap_size, radeon_bo_size(texture));
+		return -EINVAL;
+	}
+	return 0;
+}
+
 static int r600_packet3_check(struct radeon_cs_parser *p,
 				struct radeon_cs_packet *pkt)
 {
@@ -408,12 +1093,22 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
 		}
 		ib[idx+0] = idx_value + (u32)(reloc->lobj.gpu_offset & 0xffffffff);
 		ib[idx+1] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
+		r = r600_cs_track_check(p);
+		if (r) {
+			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
+			return r;
+		}
 		break;
 	case PACKET3_DRAW_INDEX_AUTO:
 		if (pkt->count != 1) {
 			DRM_ERROR("bad DRAW_INDEX_AUTO\n");
 			return -EINVAL;
 		}
+		r = r600_cs_track_check(p);
+		if (r) {
+			dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
+			return r;
+		}
 		break;
 	case PACKET3_DRAW_INDEX_IMMD_BE:
 	case PACKET3_DRAW_INDEX_IMMD:
@@ -421,6 +1116,11 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
 			DRM_ERROR("bad DRAW_INDEX_IMMD\n");
 			return -EINVAL;
 		}
+		r = r600_cs_track_check(p);
+		if (r) {
+			dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
+			return r;
+		}
 		break;
 	case PACKET3_WAIT_REG_MEM:
 		if (pkt->count != 5) {
@@ -493,30 +1193,9 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
 		}
 		for (i = 0; i < pkt->count; i++) {
 			reg = start_reg + (4 * i);
-			switch (reg) {
-			case SQ_ESGS_RING_BASE:
-			case SQ_GSVS_RING_BASE:
-			case SQ_ESTMP_RING_BASE:
-			case SQ_GSTMP_RING_BASE:
-			case SQ_VSTMP_RING_BASE:
-			case SQ_PSTMP_RING_BASE:
-			case SQ_FBUF_RING_BASE:
-			case SQ_REDUC_RING_BASE:
-			case SX_MEMORY_EXPORT_BASE:
-				r = r600_cs_packet_next_reloc(p, &reloc);
-				if (r) {
-					DRM_ERROR("bad SET_CONFIG_REG "
-							"0x%04X\n", reg);
-					return -EINVAL;
-				}
-				ib[idx+1+i] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
-				break;
-			case CP_COHER_BASE:
-				/* use PACKET3_SURFACE_SYNC */
-				return -EINVAL;
-			default:
-				break;
-			}
+			r = r600_cs_check_reg(p, reg, idx+1+i);
+			if (r)
+				return r;
 		}
 		break;
 	case PACKET3_SET_CONTEXT_REG:
@@ -530,106 +1209,9 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
 		}
 		for (i = 0; i < pkt->count; i++) {
 			reg = start_reg + (4 * i);
-			switch (reg) {
-			/* This register were added late, there is userspace
-			 * which does provide relocation for those but set
-			 * 0 offset. In order to avoid breaking old userspace
-			 * we detect this and set address to point to last
-			 * CB_COLOR0_BASE, note that if userspace doesn't set
-			 * CB_COLOR0_BASE before this register we will report
-			 * error. Old userspace always set CB_COLOR0_BASE
-			 * before any of this.
-			 */
-			case R_0280E0_CB_COLOR0_FRAG:
-			case R_0280E4_CB_COLOR1_FRAG:
-			case R_0280E8_CB_COLOR2_FRAG:
-			case R_0280EC_CB_COLOR3_FRAG:
-			case R_0280F0_CB_COLOR4_FRAG:
-			case R_0280F4_CB_COLOR5_FRAG:
-			case R_0280F8_CB_COLOR6_FRAG:
-			case R_0280FC_CB_COLOR7_FRAG:
-			case R_0280C0_CB_COLOR0_TILE:
-			case R_0280C4_CB_COLOR1_TILE:
-			case R_0280C8_CB_COLOR2_TILE:
-			case R_0280CC_CB_COLOR3_TILE:
-			case R_0280D0_CB_COLOR4_TILE:
-			case R_0280D4_CB_COLOR5_TILE:
-			case R_0280D8_CB_COLOR6_TILE:
-			case R_0280DC_CB_COLOR7_TILE:
-				if (!r600_cs_packet_next_is_pkt3_nop(p)) {
-					if (!track->cb_color0_base_last) {
-						dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
-						return -EINVAL;
-					}
-					ib[idx+1+i] = track->cb_color0_base_last;
-					printk_once(KERN_WARNING "radeon: You have old & broken userspace "
-						"please consider updating mesa & xf86-video-ati\n");
-				} else {
-					r = r600_cs_packet_next_reloc(p, &reloc);
-					if (r) {
-						dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
-						return -EINVAL;
-					}
-					ib[idx+1+i] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
-				}
-				break;
-			case DB_DEPTH_BASE:
-			case DB_HTILE_DATA_BASE:
-			case CB_COLOR0_BASE:
-				r = r600_cs_packet_next_reloc(p, &reloc);
-				if (r) {
-					DRM_ERROR("bad SET_CONTEXT_REG "
-							"0x%04X\n", reg);
-					return -EINVAL;
-				}
-				ib[idx+1+i] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
-				track->cb_color0_base_last = ib[idx+1+i];
-				break;
-			case CB_COLOR1_BASE:
-			case CB_COLOR2_BASE:
-			case CB_COLOR3_BASE:
-			case CB_COLOR4_BASE:
-			case CB_COLOR5_BASE:
-			case CB_COLOR6_BASE:
-			case CB_COLOR7_BASE:
-			case SQ_PGM_START_FS:
-			case SQ_PGM_START_ES:
-			case SQ_PGM_START_VS:
-			case SQ_PGM_START_GS:
-			case SQ_PGM_START_PS:
-				r = r600_cs_packet_next_reloc(p, &reloc);
-				if (r) {
-					DRM_ERROR("bad SET_CONTEXT_REG "
-							"0x%04X\n", reg);
-					return -EINVAL;
-				}
-				ib[idx+1+i] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
-				break;
-			case VGT_DMA_BASE:
-			case VGT_DMA_BASE_HI:
-				/* These should be handled by DRAW_INDEX packet 3 */
-			case VGT_STRMOUT_BASE_OFFSET_0:
-			case VGT_STRMOUT_BASE_OFFSET_1:
-			case VGT_STRMOUT_BASE_OFFSET_2:
-			case VGT_STRMOUT_BASE_OFFSET_3:
-			case VGT_STRMOUT_BASE_OFFSET_HI_0:
-			case VGT_STRMOUT_BASE_OFFSET_HI_1:
-			case VGT_STRMOUT_BASE_OFFSET_HI_2:
-			case VGT_STRMOUT_BASE_OFFSET_HI_3:
-			case VGT_STRMOUT_BUFFER_BASE_0:
-			case VGT_STRMOUT_BUFFER_BASE_1:
-			case VGT_STRMOUT_BUFFER_BASE_2:
-			case VGT_STRMOUT_BUFFER_BASE_3:
-			case VGT_STRMOUT_BUFFER_OFFSET_0:
-			case VGT_STRMOUT_BUFFER_OFFSET_1:
-			case VGT_STRMOUT_BUFFER_OFFSET_2:
-			case VGT_STRMOUT_BUFFER_OFFSET_3:
-				/* These should be handled by STRMOUT_BUFFER packet 3 */
-				DRM_ERROR("bad context reg: 0x%08x\n", reg);
-				return -EINVAL;
-			default:
-				break;
-			}
+			r = r600_cs_check_reg(p, reg, idx+1+i);
+			if (r)
+				return r;
 		}
 		break;
 	case PACKET3_SET_RESOURCE:
@@ -646,6 +1228,9 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
 			return -EINVAL;
 		}
 		for (i = 0; i < (pkt->count / 7); i++) {
+			struct radeon_bo *texture, *mipmap;
+			u32 size, offset;
+
 			switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) {
 			case SQ_TEX_VTX_VALID_TEXTURE:
 				/* tex base */
@@ -655,6 +1240,7 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
 					return -EINVAL;
 				}
 				ib[idx+1+(i*7)+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+				texture = reloc->robj;
 				/* tex mip base */
 				r = r600_cs_packet_next_reloc(p, &reloc);
 				if (r) {
@@ -662,6 +1248,11 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
 					return -EINVAL;
 				}
 				ib[idx+1+(i*7)+3] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
+				mipmap = reloc->robj;
+				r = r600_check_texture_resource(p,  idx+(i*7)+1,
+						texture, mipmap);
+				if (r)
+					return r;
 				break;
 			case SQ_TEX_VTX_VALID_BUFFER:
 				/* vtx base */
@@ -670,6 +1261,13 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
 					DRM_ERROR("bad SET_RESOURCE\n");
 					return -EINVAL;
 				}
+				offset = radeon_get_ib_value(p, idx+1+(i*7)+0);
+				size = radeon_get_ib_value(p, idx+1+(i*7)+1);
+				if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
+					/* force size to size of the buffer */
+					dev_warn(p->dev, "vbo resource seems too big for the bo\n");
+					ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj);
+				}
 				ib[idx+1+(i*7)+0] += (u32)((reloc->lobj.gpu_offset) & 0xffffffff);
 				ib[idx+1+(i*7)+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
 				break;
@@ -682,13 +1280,15 @@ static int r600_packet3_check(struct radeon_cs_parser *p,
 		}
 		break;
 	case PACKET3_SET_ALU_CONST:
-		start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET;
-		end_reg = 4 * pkt->count + start_reg - 4;
-		if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) ||
-		    (start_reg >= PACKET3_SET_ALU_CONST_END) ||
-		    (end_reg >= PACKET3_SET_ALU_CONST_END)) {
-			DRM_ERROR("bad SET_ALU_CONST\n");
-			return -EINVAL;
+		if (track->sq_config & DX9_CONSTS) {
+			start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET;
+			end_reg = 4 * pkt->count + start_reg - 4;
+			if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) ||
+			    (start_reg >= PACKET3_SET_ALU_CONST_END) ||
+			    (end_reg >= PACKET3_SET_ALU_CONST_END)) {
+				DRM_ERROR("bad SET_ALU_CONST\n");
+				return -EINVAL;
+			}
 		}
 		break;
 	case PACKET3_SET_BOOL_CONST:
@@ -760,11 +1360,28 @@ int r600_cs_parse(struct radeon_cs_parser *p)
 	struct r600_cs_track *track;
 	int r;
 
-	track = kzalloc(sizeof(*track), GFP_KERNEL);
-	p->track = track;
+	if (p->track == NULL) {
+		/* initialize tracker, we are in kms */
+		track = kzalloc(sizeof(*track), GFP_KERNEL);
+		if (track == NULL)
+			return -ENOMEM;
+		r600_cs_track_init(track);
+		if (p->rdev->family < CHIP_RV770) {
+			track->npipes = p->rdev->config.r600.tiling_npipes;
+			track->nbanks = p->rdev->config.r600.tiling_nbanks;
+			track->group_size = p->rdev->config.r600.tiling_group_size;
+		} else if (p->rdev->family <= CHIP_RV740) {
+			track->npipes = p->rdev->config.rv770.tiling_npipes;
+			track->nbanks = p->rdev->config.rv770.tiling_nbanks;
+			track->group_size = p->rdev->config.rv770.tiling_group_size;
+		}
+		p->track = track;
+	}
 	do {
 		r = r600_cs_packet_parse(p, &pkt, p->idx);
 		if (r) {
+			kfree(p->track);
+			p->track = NULL;
 			return r;
 		}
 		p->idx += pkt.count + 2;
@@ -779,9 +1396,13 @@ int r600_cs_parse(struct radeon_cs_parser *p)
 			break;
 		default:
 			DRM_ERROR("Unknown packet type %d !\n", pkt.type);
+			kfree(p->track);
+			p->track = NULL;
 			return -EINVAL;
 		}
 		if (r) {
+			kfree(p->track);
+			p->track = NULL;
 			return r;
 		}
 	} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
@@ -791,6 +1412,8 @@ int r600_cs_parse(struct radeon_cs_parser *p)
 		mdelay(1);
 	}
 #endif
+	kfree(p->track);
+	p->track = NULL;
 	return 0;
 }
 
@@ -833,9 +1456,16 @@ int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp,
 {
 	struct radeon_cs_parser parser;
 	struct radeon_cs_chunk *ib_chunk;
-	struct radeon_ib	fake_ib;
+	struct radeon_ib fake_ib;
+	struct r600_cs_track *track;
 	int r;
 
+	/* initialize tracker */
+	track = kzalloc(sizeof(*track), GFP_KERNEL);
+	if (track == NULL)
+		return -ENOMEM;
+	r600_cs_track_init(track);
+	r600_cs_legacy_get_tiling_conf(dev, &track->npipes, &track->nbanks, &track->group_size);
 	/* initialize parser */
 	memset(&parser, 0, sizeof(struct radeon_cs_parser));
 	parser.filp = filp;
@@ -843,6 +1473,7 @@ int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp,
 	parser.rdev = NULL;
 	parser.family = family;
 	parser.ib = &fake_ib;
+	parser.track = track;
 	fake_ib.ptr = ib;
 	r = radeon_cs_parser_init(&parser, data);
 	if (r) {
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index fcc949df0e5d..029fa1406d1d 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -42,13 +42,13 @@ enum r600_hdmi_color_format {
  */
 enum r600_hdmi_iec_status_bits {
 	AUDIO_STATUS_DIG_ENABLE   = 0x01,
-	AUDIO_STATUS_V	    = 0x02,
-	AUDIO_STATUS_VCFG	 = 0x04,
+	AUDIO_STATUS_V            = 0x02,
+	AUDIO_STATUS_VCFG         = 0x04,
 	AUDIO_STATUS_EMPHASIS     = 0x08,
 	AUDIO_STATUS_COPYRIGHT    = 0x10,
 	AUDIO_STATUS_NONAUDIO     = 0x20,
 	AUDIO_STATUS_PROFESSIONAL = 0x40,
-	AUDIO_STATUS_LEVEL	= 0x80
+	AUDIO_STATUS_LEVEL        = 0x80
 };
 
 struct {
@@ -85,7 +85,7 @@ struct {
 static void r600_hdmi_calc_CTS(uint32_t clock, int *CTS, int N, int freq)
 {
 	if (*CTS == 0)
-		*CTS = clock*N/(128*freq)*1000;
+		*CTS = clock * N / (128 * freq) * 1000;
 	DRM_DEBUG("Using ACR timing N=%d CTS=%d for frequency %d\n",
 		  N, *CTS, freq);
 }
@@ -131,11 +131,11 @@ static void r600_hdmi_infoframe_checksum(uint8_t packetType,
 					 uint8_t length,
 					 uint8_t *frame)
 {
-    int i;
-    frame[0] = packetType + versionNumber + length;
-    for (i = 1; i <= length; i++)
-	frame[0] += frame[i];
-    frame[0] = 0x100 - frame[0];
+	int i;
+	frame[0] = packetType + versionNumber + length;
+	for (i = 1; i <= length; i++)
+		frame[0] += frame[i];
+	frame[0] = 0x100 - frame[0];
 }
 
 /*
@@ -417,90 +417,141 @@ void r600_hdmi_update_audio_settings(struct drm_encoder *encoder,
 	WREG32_P(offset+R600_HDMI_CNTL, 0x04000000, ~0x04000000);
 }
 
-/*
- * enable/disable the HDMI engine
- */
-void r600_hdmi_enable(struct drm_encoder *encoder, int enable)
+static int r600_hdmi_find_free_block(struct drm_device *dev)
+{
+	struct radeon_device *rdev = dev->dev_private;
+	struct drm_encoder *encoder;
+	struct radeon_encoder *radeon_encoder;
+	bool free_blocks[3] = { true, true, true };
+
+	list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+		radeon_encoder = to_radeon_encoder(encoder);
+		switch (radeon_encoder->hdmi_offset) {
+		case R600_HDMI_BLOCK1:
+			free_blocks[0] = false;
+			break;
+		case R600_HDMI_BLOCK2:
+			free_blocks[1] = false;
+			break;
+		case R600_HDMI_BLOCK3:
+			free_blocks[2] = false;
+			break;
+		}
+	}
+
+	if (rdev->family == CHIP_RS600 || rdev->family == CHIP_RS690) {
+		return free_blocks[0] ? R600_HDMI_BLOCK1 : 0;
+	} else if (rdev->family >= CHIP_R600) {
+		if (free_blocks[0])
+			return R600_HDMI_BLOCK1;
+		else if (free_blocks[1])
+			return R600_HDMI_BLOCK2;
+	}
+	return 0;
+}
+
+static void r600_hdmi_assign_block(struct drm_encoder *encoder)
 {
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
-	uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
+	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 
-	if (!offset)
+	if (!dig) {
+		dev_err(rdev->dev, "Enabling HDMI on non-dig encoder\n");
 		return;
+	}
 
-	DRM_DEBUG("%s HDMI interface @ 0x%04X\n", enable ? "Enabling" : "Disabling", offset);
-
-	/* some version of atombios ignore the enable HDMI flag
-	 * so enabling/disabling HDMI was moved here for TMDS1+2 */
-	switch (radeon_encoder->encoder_id) {
-	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
-		WREG32_P(AVIVO_TMDSA_CNTL, enable ? 0x4 : 0x0, ~0x4);
-		WREG32(offset+R600_HDMI_ENABLE, enable ? 0x101 : 0x0);
-		break;
-
-	case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
-		WREG32_P(AVIVO_LVTMA_CNTL, enable ? 0x4 : 0x0, ~0x4);
-		WREG32(offset+R600_HDMI_ENABLE, enable ? 0x105 : 0x0);
-		break;
-
-	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
-	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
-	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
-	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
-		/* This part is doubtfull in my opinion */
-		WREG32(offset+R600_HDMI_ENABLE, enable ? 0x110 : 0x0);
-		break;
-
-	default:
-		DRM_ERROR("unknown HDMI output type\n");
-		break;
+	if (ASIC_IS_DCE4(rdev)) {
+		/* TODO */
+	} else if (ASIC_IS_DCE3(rdev)) {
+		radeon_encoder->hdmi_offset = dig->dig_encoder ?
+			R600_HDMI_BLOCK3 : R600_HDMI_BLOCK1;
+		if (ASIC_IS_DCE32(rdev))
+			radeon_encoder->hdmi_config_offset = dig->dig_encoder ?
+				R600_HDMI_CONFIG2 : R600_HDMI_CONFIG1;
+	} else if (rdev->family >= CHIP_R600) {
+		radeon_encoder->hdmi_offset = r600_hdmi_find_free_block(dev);
 	}
 }
 
 /*
- * determin at which register offset the HDMI encoder is
+ * enable the HDMI engine
  */
-void r600_hdmi_init(struct drm_encoder *encoder)
+void r600_hdmi_enable(struct drm_encoder *encoder)
 {
+	struct drm_device *dev = encoder->dev;
+	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 
-	switch (radeon_encoder->encoder_id) {
-	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
-	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
-	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
-		radeon_encoder->hdmi_offset = R600_HDMI_TMDS1;
-		break;
-
-	case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
-		switch (r600_audio_tmds_index(encoder)) {
-		case 0:
-			radeon_encoder->hdmi_offset = R600_HDMI_TMDS1;
+	if (!radeon_encoder->hdmi_offset) {
+		r600_hdmi_assign_block(encoder);
+		if (!radeon_encoder->hdmi_offset) {
+			dev_warn(rdev->dev, "Could not find HDMI block for "
+				"0x%x encoder\n", radeon_encoder->encoder_id);
+			return;
+		}
+	}
+
+	if (ASIC_IS_DCE32(rdev) && !ASIC_IS_DCE4(rdev)) {
+		WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0x1, ~0x1);
+	} else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
+		int offset = radeon_encoder->hdmi_offset;
+		switch (radeon_encoder->encoder_id) {
+		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
+			WREG32_P(AVIVO_TMDSA_CNTL, 0x4, ~0x4);
+			WREG32(offset + R600_HDMI_ENABLE, 0x101);
 			break;
-		case 1:
-			radeon_encoder->hdmi_offset = R600_HDMI_TMDS2;
+		case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
+			WREG32_P(AVIVO_LVTMA_CNTL, 0x4, ~0x4);
+			WREG32(offset + R600_HDMI_ENABLE, 0x105);
 			break;
 		default:
-			radeon_encoder->hdmi_offset = 0;
+			dev_err(rdev->dev, "Unknown HDMI output type\n");
 			break;
 		}
-	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
-		radeon_encoder->hdmi_offset = R600_HDMI_TMDS2;
-		break;
+	}
 
-	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
-		radeon_encoder->hdmi_offset = R600_HDMI_DIG;
-		break;
+	DRM_DEBUG("Enabling HDMI interface @ 0x%04X for encoder 0x%x\n",
+		radeon_encoder->hdmi_offset, radeon_encoder->encoder_id);
+}
 
-	default:
-		radeon_encoder->hdmi_offset = 0;
-		break;
+/*
+ * disable the HDMI engine
+ */
+void r600_hdmi_disable(struct drm_encoder *encoder)
+{
+	struct drm_device *dev = encoder->dev;
+	struct radeon_device *rdev = dev->dev_private;
+	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+
+	if (!radeon_encoder->hdmi_offset) {
+		dev_err(rdev->dev, "Disabling not enabled HDMI\n");
+		return;
 	}
 
-	DRM_DEBUG("using HDMI engine at offset 0x%04X for encoder 0x%x\n",
-		  radeon_encoder->hdmi_offset, radeon_encoder->encoder_id);
+	DRM_DEBUG("Disabling HDMI interface @ 0x%04X for encoder 0x%x\n",
+		radeon_encoder->hdmi_offset, radeon_encoder->encoder_id);
+
+	if (ASIC_IS_DCE32(rdev) && !ASIC_IS_DCE4(rdev)) {
+		WREG32_P(radeon_encoder->hdmi_config_offset + 0x4, 0, ~0x1);
+	} else if (rdev->family >= CHIP_R600 && !ASIC_IS_DCE3(rdev)) {
+		int offset = radeon_encoder->hdmi_offset;
+		switch (radeon_encoder->encoder_id) {
+		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
+			WREG32_P(AVIVO_TMDSA_CNTL, 0, ~0x4);
+			WREG32(offset + R600_HDMI_ENABLE, 0);
+			break;
+		case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
+			WREG32_P(AVIVO_LVTMA_CNTL, 0, ~0x4);
+			WREG32(offset + R600_HDMI_ENABLE, 0);
+			break;
+		default:
+			dev_err(rdev->dev, "Unknown HDMI output type\n");
+			break;
+		}
+	}
 
-	/* TODO: make this configureable */
-	radeon_encoder->hdmi_audio_workaround = 0;
+	radeon_encoder->hdmi_offset = 0;
+	radeon_encoder->hdmi_config_offset = 0;
 }
diff --git a/drivers/gpu/drm/radeon/r600_reg.h b/drivers/gpu/drm/radeon/r600_reg.h
index d0e28ffdeda9..7b1d22370f6e 100644
--- a/drivers/gpu/drm/radeon/r600_reg.h
+++ b/drivers/gpu/drm/radeon/r600_reg.h
@@ -152,9 +152,9 @@
 #define R600_AUDIO_STATUS_BITS            0x73d8
 
 /* HDMI base register addresses */
-#define R600_HDMI_TMDS1                   0x7400
-#define R600_HDMI_TMDS2                   0x7700
-#define R600_HDMI_DIG                     0x7800
+#define R600_HDMI_BLOCK1                  0x7400
+#define R600_HDMI_BLOCK2                  0x7700
+#define R600_HDMI_BLOCK3                  0x7800
 
 /* HDMI registers */
 #define R600_HDMI_ENABLE           0x00
@@ -185,4 +185,8 @@
 #define R600_HDMI_AUDIO_DEBUG_2    0xe8
 #define R600_HDMI_AUDIO_DEBUG_3    0xec
 
+/* HDMI additional config base register addresses */
+#define R600_HDMI_CONFIG1                 0x7600
+#define R600_HDMI_CONFIG2                 0x7a00
+
 #endif
diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h
index 30480881aed1..59c1f8793e60 100644
--- a/drivers/gpu/drm/radeon/r600d.h
+++ b/drivers/gpu/drm/radeon/r600d.h
@@ -77,6 +77,55 @@
 #define CB_COLOR0_FRAG                                  0x280e0
 #define CB_COLOR0_MASK                                  0x28100
 
+#define SQ_ALU_CONST_CACHE_PS_0				0x28940
+#define SQ_ALU_CONST_CACHE_PS_1				0x28944
+#define SQ_ALU_CONST_CACHE_PS_2				0x28948
+#define SQ_ALU_CONST_CACHE_PS_3				0x2894c
+#define SQ_ALU_CONST_CACHE_PS_4				0x28950
+#define SQ_ALU_CONST_CACHE_PS_5				0x28954
+#define SQ_ALU_CONST_CACHE_PS_6				0x28958
+#define SQ_ALU_CONST_CACHE_PS_7				0x2895c
+#define SQ_ALU_CONST_CACHE_PS_8				0x28960
+#define SQ_ALU_CONST_CACHE_PS_9				0x28964
+#define SQ_ALU_CONST_CACHE_PS_10			0x28968
+#define SQ_ALU_CONST_CACHE_PS_11			0x2896c
+#define SQ_ALU_CONST_CACHE_PS_12			0x28970
+#define SQ_ALU_CONST_CACHE_PS_13			0x28974
+#define SQ_ALU_CONST_CACHE_PS_14			0x28978
+#define SQ_ALU_CONST_CACHE_PS_15			0x2897c
+#define SQ_ALU_CONST_CACHE_VS_0				0x28980
+#define SQ_ALU_CONST_CACHE_VS_1				0x28984
+#define SQ_ALU_CONST_CACHE_VS_2				0x28988
+#define SQ_ALU_CONST_CACHE_VS_3				0x2898c
+#define SQ_ALU_CONST_CACHE_VS_4				0x28990
+#define SQ_ALU_CONST_CACHE_VS_5				0x28994
+#define SQ_ALU_CONST_CACHE_VS_6				0x28998
+#define SQ_ALU_CONST_CACHE_VS_7				0x2899c
+#define SQ_ALU_CONST_CACHE_VS_8				0x289a0
+#define SQ_ALU_CONST_CACHE_VS_9				0x289a4
+#define SQ_ALU_CONST_CACHE_VS_10			0x289a8
+#define SQ_ALU_CONST_CACHE_VS_11			0x289ac
+#define SQ_ALU_CONST_CACHE_VS_12			0x289b0
+#define SQ_ALU_CONST_CACHE_VS_13			0x289b4
+#define SQ_ALU_CONST_CACHE_VS_14			0x289b8
+#define SQ_ALU_CONST_CACHE_VS_15			0x289bc
+#define SQ_ALU_CONST_CACHE_GS_0				0x289c0
+#define SQ_ALU_CONST_CACHE_GS_1				0x289c4
+#define SQ_ALU_CONST_CACHE_GS_2				0x289c8
+#define SQ_ALU_CONST_CACHE_GS_3				0x289cc
+#define SQ_ALU_CONST_CACHE_GS_4				0x289d0
+#define SQ_ALU_CONST_CACHE_GS_5				0x289d4
+#define SQ_ALU_CONST_CACHE_GS_6				0x289d8
+#define SQ_ALU_CONST_CACHE_GS_7				0x289dc
+#define SQ_ALU_CONST_CACHE_GS_8				0x289e0
+#define SQ_ALU_CONST_CACHE_GS_9				0x289e4
+#define SQ_ALU_CONST_CACHE_GS_10			0x289e8
+#define SQ_ALU_CONST_CACHE_GS_11			0x289ec
+#define SQ_ALU_CONST_CACHE_GS_12			0x289f0
+#define SQ_ALU_CONST_CACHE_GS_13			0x289f4
+#define SQ_ALU_CONST_CACHE_GS_14			0x289f8
+#define SQ_ALU_CONST_CACHE_GS_15			0x289fc
+
 #define	CONFIG_MEMSIZE					0x5428
 #define CONFIG_CNTL					0x5424
 #define	CP_STAT						0x8680
@@ -883,6 +932,16 @@
 
 #define R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL		0x5480
 
+#define R_028C04_PA_SC_AA_CONFIG                     0x028C04
+#define   S_028C04_MSAA_NUM_SAMPLES(x)                 (((x) & 0x3) << 0)
+#define   G_028C04_MSAA_NUM_SAMPLES(x)                 (((x) >> 0) & 0x3)
+#define   C_028C04_MSAA_NUM_SAMPLES                    0xFFFFFFFC
+#define   S_028C04_AA_MASK_CENTROID_DTMN(x)            (((x) & 0x1) << 4)
+#define   G_028C04_AA_MASK_CENTROID_DTMN(x)            (((x) >> 4) & 0x1)
+#define   C_028C04_AA_MASK_CENTROID_DTMN               0xFFFFFFEF
+#define   S_028C04_MAX_SAMPLE_DIST(x)                  (((x) & 0xF) << 13)
+#define   G_028C04_MAX_SAMPLE_DIST(x)                  (((x) >> 13) & 0xF)
+#define   C_028C04_MAX_SAMPLE_DIST                     0xFFFE1FFF
 #define R_0280E0_CB_COLOR0_FRAG                      0x0280E0
 #define   S_0280E0_BASE_256B(x)                        (((x) & 0xFFFFFFFF) << 0)
 #define   G_0280E0_BASE_256B(x)                        (((x) >> 0) & 0xFFFFFFFF)
@@ -905,6 +964,461 @@
 #define R_0280D4_CB_COLOR5_TILE                      0x0280D4
 #define R_0280D8_CB_COLOR6_TILE                      0x0280D8
 #define R_0280DC_CB_COLOR7_TILE                      0x0280DC
-
+#define R_0280A0_CB_COLOR0_INFO                      0x0280A0
+#define   S_0280A0_ENDIAN(x)                           (((x) & 0x3) << 0)
+#define   G_0280A0_ENDIAN(x)                           (((x) >> 0) & 0x3)
+#define   C_0280A0_ENDIAN                              0xFFFFFFFC
+#define   S_0280A0_FORMAT(x)                           (((x) & 0x3F) << 2)
+#define   G_0280A0_FORMAT(x)                           (((x) >> 2) & 0x3F)
+#define   C_0280A0_FORMAT                              0xFFFFFF03
+#define     V_0280A0_COLOR_INVALID                     0x00000000
+#define     V_0280A0_COLOR_8                           0x00000001
+#define     V_0280A0_COLOR_4_4                         0x00000002
+#define     V_0280A0_COLOR_3_3_2                       0x00000003
+#define     V_0280A0_COLOR_16                          0x00000005
+#define     V_0280A0_COLOR_16_FLOAT                    0x00000006
+#define     V_0280A0_COLOR_8_8                         0x00000007
+#define     V_0280A0_COLOR_5_6_5                       0x00000008
+#define     V_0280A0_COLOR_6_5_5                       0x00000009
+#define     V_0280A0_COLOR_1_5_5_5                     0x0000000A
+#define     V_0280A0_COLOR_4_4_4_4                     0x0000000B
+#define     V_0280A0_COLOR_5_5_5_1                     0x0000000C
+#define     V_0280A0_COLOR_32                          0x0000000D
+#define     V_0280A0_COLOR_32_FLOAT                    0x0000000E
+#define     V_0280A0_COLOR_16_16                       0x0000000F
+#define     V_0280A0_COLOR_16_16_FLOAT                 0x00000010
+#define     V_0280A0_COLOR_8_24                        0x00000011
+#define     V_0280A0_COLOR_8_24_FLOAT                  0x00000012
+#define     V_0280A0_COLOR_24_8                        0x00000013
+#define     V_0280A0_COLOR_24_8_FLOAT                  0x00000014
+#define     V_0280A0_COLOR_10_11_11                    0x00000015
+#define     V_0280A0_COLOR_10_11_11_FLOAT              0x00000016
+#define     V_0280A0_COLOR_11_11_10                    0x00000017
+#define     V_0280A0_COLOR_11_11_10_FLOAT              0x00000018
+#define     V_0280A0_COLOR_2_10_10_10                  0x00000019
+#define     V_0280A0_COLOR_8_8_8_8                     0x0000001A
+#define     V_0280A0_COLOR_10_10_10_2                  0x0000001B
+#define     V_0280A0_COLOR_X24_8_32_FLOAT              0x0000001C
+#define     V_0280A0_COLOR_32_32                       0x0000001D
+#define     V_0280A0_COLOR_32_32_FLOAT                 0x0000001E
+#define     V_0280A0_COLOR_16_16_16_16                 0x0000001F
+#define     V_0280A0_COLOR_16_16_16_16_FLOAT           0x00000020
+#define     V_0280A0_COLOR_32_32_32_32                 0x00000022
+#define     V_0280A0_COLOR_32_32_32_32_FLOAT           0x00000023
+#define   S_0280A0_ARRAY_MODE(x)                       (((x) & 0xF) << 8)
+#define   G_0280A0_ARRAY_MODE(x)                       (((x) >> 8) & 0xF)
+#define   C_0280A0_ARRAY_MODE                          0xFFFFF0FF
+#define     V_0280A0_ARRAY_LINEAR_GENERAL              0x00000000
+#define     V_0280A0_ARRAY_LINEAR_ALIGNED              0x00000001
+#define     V_0280A0_ARRAY_1D_TILED_THIN1              0x00000002
+#define     V_0280A0_ARRAY_2D_TILED_THIN1              0x00000004
+#define   S_0280A0_NUMBER_TYPE(x)                      (((x) & 0x7) << 12)
+#define   G_0280A0_NUMBER_TYPE(x)                      (((x) >> 12) & 0x7)
+#define   C_0280A0_NUMBER_TYPE                         0xFFFF8FFF
+#define   S_0280A0_READ_SIZE(x)                        (((x) & 0x1) << 15)
+#define   G_0280A0_READ_SIZE(x)                        (((x) >> 15) & 0x1)
+#define   C_0280A0_READ_SIZE                           0xFFFF7FFF
+#define   S_0280A0_COMP_SWAP(x)                        (((x) & 0x3) << 16)
+#define   G_0280A0_COMP_SWAP(x)                        (((x) >> 16) & 0x3)
+#define   C_0280A0_COMP_SWAP                           0xFFFCFFFF
+#define   S_0280A0_TILE_MODE(x)                        (((x) & 0x3) << 18)
+#define   G_0280A0_TILE_MODE(x)                        (((x) >> 18) & 0x3)
+#define   C_0280A0_TILE_MODE                           0xFFF3FFFF
+#define   S_0280A0_BLEND_CLAMP(x)                      (((x) & 0x1) << 20)
+#define   G_0280A0_BLEND_CLAMP(x)                      (((x) >> 20) & 0x1)
+#define   C_0280A0_BLEND_CLAMP                         0xFFEFFFFF
+#define   S_0280A0_CLEAR_COLOR(x)                      (((x) & 0x1) << 21)
+#define   G_0280A0_CLEAR_COLOR(x)                      (((x) >> 21) & 0x1)
+#define   C_0280A0_CLEAR_COLOR                         0xFFDFFFFF
+#define   S_0280A0_BLEND_BYPASS(x)                     (((x) & 0x1) << 22)
+#define   G_0280A0_BLEND_BYPASS(x)                     (((x) >> 22) & 0x1)
+#define   C_0280A0_BLEND_BYPASS                        0xFFBFFFFF
+#define   S_0280A0_BLEND_FLOAT32(x)                    (((x) & 0x1) << 23)
+#define   G_0280A0_BLEND_FLOAT32(x)                    (((x) >> 23) & 0x1)
+#define   C_0280A0_BLEND_FLOAT32                       0xFF7FFFFF
+#define   S_0280A0_SIMPLE_FLOAT(x)                     (((x) & 0x1) << 24)
+#define   G_0280A0_SIMPLE_FLOAT(x)                     (((x) >> 24) & 0x1)
+#define   C_0280A0_SIMPLE_FLOAT                        0xFEFFFFFF
+#define   S_0280A0_ROUND_MODE(x)                       (((x) & 0x1) << 25)
+#define   G_0280A0_ROUND_MODE(x)                       (((x) >> 25) & 0x1)
+#define   C_0280A0_ROUND_MODE                          0xFDFFFFFF
+#define   S_0280A0_TILE_COMPACT(x)                     (((x) & 0x1) << 26)
+#define   G_0280A0_TILE_COMPACT(x)                     (((x) >> 26) & 0x1)
+#define   C_0280A0_TILE_COMPACT                        0xFBFFFFFF
+#define   S_0280A0_SOURCE_FORMAT(x)                    (((x) & 0x1) << 27)
+#define   G_0280A0_SOURCE_FORMAT(x)                    (((x) >> 27) & 0x1)
+#define   C_0280A0_SOURCE_FORMAT                       0xF7FFFFFF
+#define R_0280A4_CB_COLOR1_INFO                      0x0280A4
+#define R_0280A8_CB_COLOR2_INFO                      0x0280A8
+#define R_0280AC_CB_COLOR3_INFO                      0x0280AC
+#define R_0280B0_CB_COLOR4_INFO                      0x0280B0
+#define R_0280B4_CB_COLOR5_INFO                      0x0280B4
+#define R_0280B8_CB_COLOR6_INFO                      0x0280B8
+#define R_0280BC_CB_COLOR7_INFO                      0x0280BC
+#define R_028060_CB_COLOR0_SIZE                      0x028060
+#define   S_028060_PITCH_TILE_MAX(x)                   (((x) & 0x3FF) << 0)
+#define   G_028060_PITCH_TILE_MAX(x)                   (((x) >> 0) & 0x3FF)
+#define   C_028060_PITCH_TILE_MAX                      0xFFFFFC00
+#define   S_028060_SLICE_TILE_MAX(x)                   (((x) & 0xFFFFF) << 10)
+#define   G_028060_SLICE_TILE_MAX(x)                   (((x) >> 10) & 0xFFFFF)
+#define   C_028060_SLICE_TILE_MAX                      0xC00003FF
+#define R_028064_CB_COLOR1_SIZE                      0x028064
+#define R_028068_CB_COLOR2_SIZE                      0x028068
+#define R_02806C_CB_COLOR3_SIZE                      0x02806C
+#define R_028070_CB_COLOR4_SIZE                      0x028070
+#define R_028074_CB_COLOR5_SIZE                      0x028074
+#define R_028078_CB_COLOR6_SIZE                      0x028078
+#define R_02807C_CB_COLOR7_SIZE                      0x02807C
+#define R_028238_CB_TARGET_MASK                      0x028238
+#define   S_028238_TARGET0_ENABLE(x)                   (((x) & 0xF) << 0)
+#define   G_028238_TARGET0_ENABLE(x)                   (((x) >> 0) & 0xF)
+#define   C_028238_TARGET0_ENABLE                      0xFFFFFFF0
+#define   S_028238_TARGET1_ENABLE(x)                   (((x) & 0xF) << 4)
+#define   G_028238_TARGET1_ENABLE(x)                   (((x) >> 4) & 0xF)
+#define   C_028238_TARGET1_ENABLE                      0xFFFFFF0F
+#define   S_028238_TARGET2_ENABLE(x)                   (((x) & 0xF) << 8)
+#define   G_028238_TARGET2_ENABLE(x)                   (((x) >> 8) & 0xF)
+#define   C_028238_TARGET2_ENABLE                      0xFFFFF0FF
+#define   S_028238_TARGET3_ENABLE(x)                   (((x) & 0xF) << 12)
+#define   G_028238_TARGET3_ENABLE(x)                   (((x) >> 12) & 0xF)
+#define   C_028238_TARGET3_ENABLE                      0xFFFF0FFF
+#define   S_028238_TARGET4_ENABLE(x)                   (((x) & 0xF) << 16)
+#define   G_028238_TARGET4_ENABLE(x)                   (((x) >> 16) & 0xF)
+#define   C_028238_TARGET4_ENABLE                      0xFFF0FFFF
+#define   S_028238_TARGET5_ENABLE(x)                   (((x) & 0xF) << 20)
+#define   G_028238_TARGET5_ENABLE(x)                   (((x) >> 20) & 0xF)
+#define   C_028238_TARGET5_ENABLE                      0xFF0FFFFF
+#define   S_028238_TARGET6_ENABLE(x)                   (((x) & 0xF) << 24)
+#define   G_028238_TARGET6_ENABLE(x)                   (((x) >> 24) & 0xF)
+#define   C_028238_TARGET6_ENABLE                      0xF0FFFFFF
+#define   S_028238_TARGET7_ENABLE(x)                   (((x) & 0xF) << 28)
+#define   G_028238_TARGET7_ENABLE(x)                   (((x) >> 28) & 0xF)
+#define   C_028238_TARGET7_ENABLE                      0x0FFFFFFF
+#define R_02823C_CB_SHADER_MASK                      0x02823C
+#define   S_02823C_OUTPUT0_ENABLE(x)                   (((x) & 0xF) << 0)
+#define   G_02823C_OUTPUT0_ENABLE(x)                   (((x) >> 0) & 0xF)
+#define   C_02823C_OUTPUT0_ENABLE                      0xFFFFFFF0
+#define   S_02823C_OUTPUT1_ENABLE(x)                   (((x) & 0xF) << 4)
+#define   G_02823C_OUTPUT1_ENABLE(x)                   (((x) >> 4) & 0xF)
+#define   C_02823C_OUTPUT1_ENABLE                      0xFFFFFF0F
+#define   S_02823C_OUTPUT2_ENABLE(x)                   (((x) & 0xF) << 8)
+#define   G_02823C_OUTPUT2_ENABLE(x)                   (((x) >> 8) & 0xF)
+#define   C_02823C_OUTPUT2_ENABLE                      0xFFFFF0FF
+#define   S_02823C_OUTPUT3_ENABLE(x)                   (((x) & 0xF) << 12)
+#define   G_02823C_OUTPUT3_ENABLE(x)                   (((x) >> 12) & 0xF)
+#define   C_02823C_OUTPUT3_ENABLE                      0xFFFF0FFF
+#define   S_02823C_OUTPUT4_ENABLE(x)                   (((x) & 0xF) << 16)
+#define   G_02823C_OUTPUT4_ENABLE(x)                   (((x) >> 16) & 0xF)
+#define   C_02823C_OUTPUT4_ENABLE                      0xFFF0FFFF
+#define   S_02823C_OUTPUT5_ENABLE(x)                   (((x) & 0xF) << 20)
+#define   G_02823C_OUTPUT5_ENABLE(x)                   (((x) >> 20) & 0xF)
+#define   C_02823C_OUTPUT5_ENABLE                      0xFF0FFFFF
+#define   S_02823C_OUTPUT6_ENABLE(x)                   (((x) & 0xF) << 24)
+#define   G_02823C_OUTPUT6_ENABLE(x)                   (((x) >> 24) & 0xF)
+#define   C_02823C_OUTPUT6_ENABLE                      0xF0FFFFFF
+#define   S_02823C_OUTPUT7_ENABLE(x)                   (((x) & 0xF) << 28)
+#define   G_02823C_OUTPUT7_ENABLE(x)                   (((x) >> 28) & 0xF)
+#define   C_02823C_OUTPUT7_ENABLE                      0x0FFFFFFF
+#define R_028AB0_VGT_STRMOUT_EN                      0x028AB0
+#define   S_028AB0_STREAMOUT(x)                        (((x) & 0x1) << 0)
+#define   G_028AB0_STREAMOUT(x)                        (((x) >> 0) & 0x1)
+#define   C_028AB0_STREAMOUT                           0xFFFFFFFE
+#define R_028B20_VGT_STRMOUT_BUFFER_EN               0x028B20
+#define   S_028B20_BUFFER_0_EN(x)                      (((x) & 0x1) << 0)
+#define   G_028B20_BUFFER_0_EN(x)                      (((x) >> 0) & 0x1)
+#define   C_028B20_BUFFER_0_EN                         0xFFFFFFFE
+#define   S_028B20_BUFFER_1_EN(x)                      (((x) & 0x1) << 1)
+#define   G_028B20_BUFFER_1_EN(x)                      (((x) >> 1) & 0x1)
+#define   C_028B20_BUFFER_1_EN                         0xFFFFFFFD
+#define   S_028B20_BUFFER_2_EN(x)                      (((x) & 0x1) << 2)
+#define   G_028B20_BUFFER_2_EN(x)                      (((x) >> 2) & 0x1)
+#define   C_028B20_BUFFER_2_EN                         0xFFFFFFFB
+#define   S_028B20_BUFFER_3_EN(x)                      (((x) & 0x1) << 3)
+#define   G_028B20_BUFFER_3_EN(x)                      (((x) >> 3) & 0x1)
+#define   C_028B20_BUFFER_3_EN                         0xFFFFFFF7
+#define   S_028B20_SIZE(x)                             (((x) & 0xFFFFFFFF) << 0)
+#define   G_028B20_SIZE(x)                             (((x) >> 0) & 0xFFFFFFFF)
+#define   C_028B20_SIZE                                0x00000000
+#define R_038000_SQ_TEX_RESOURCE_WORD0_0             0x038000
+#define   S_038000_DIM(x)                              (((x) & 0x7) << 0)
+#define   G_038000_DIM(x)                              (((x) >> 0) & 0x7)
+#define   C_038000_DIM                                 0xFFFFFFF8
+#define     V_038000_SQ_TEX_DIM_1D                     0x00000000
+#define     V_038000_SQ_TEX_DIM_2D                     0x00000001
+#define     V_038000_SQ_TEX_DIM_3D                     0x00000002
+#define     V_038000_SQ_TEX_DIM_CUBEMAP                0x00000003
+#define     V_038000_SQ_TEX_DIM_1D_ARRAY               0x00000004
+#define     V_038000_SQ_TEX_DIM_2D_ARRAY               0x00000005
+#define     V_038000_SQ_TEX_DIM_2D_MSAA                0x00000006
+#define     V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA          0x00000007
+#define   S_038000_TILE_MODE(x)                        (((x) & 0xF) << 3)
+#define   G_038000_TILE_MODE(x)                        (((x) >> 3) & 0xF)
+#define   C_038000_TILE_MODE                           0xFFFFFF87
+#define   S_038000_TILE_TYPE(x)                        (((x) & 0x1) << 7)
+#define   G_038000_TILE_TYPE(x)                        (((x) >> 7) & 0x1)
+#define   C_038000_TILE_TYPE                           0xFFFFFF7F
+#define   S_038000_PITCH(x)                            (((x) & 0x7FF) << 8)
+#define   G_038000_PITCH(x)                            (((x) >> 8) & 0x7FF)
+#define   C_038000_PITCH                               0xFFF800FF
+#define   S_038000_TEX_WIDTH(x)                        (((x) & 0x1FFF) << 19)
+#define   G_038000_TEX_WIDTH(x)                        (((x) >> 19) & 0x1FFF)
+#define   C_038000_TEX_WIDTH                           0x0007FFFF
+#define R_038004_SQ_TEX_RESOURCE_WORD1_0             0x038004
+#define   S_038004_TEX_HEIGHT(x)                       (((x) & 0x1FFF) << 0)
+#define   G_038004_TEX_HEIGHT(x)                       (((x) >> 0) & 0x1FFF)
+#define   C_038004_TEX_HEIGHT                          0xFFFFE000
+#define   S_038004_TEX_DEPTH(x)                        (((x) & 0x1FFF) << 13)
+#define   G_038004_TEX_DEPTH(x)                        (((x) >> 13) & 0x1FFF)
+#define   C_038004_TEX_DEPTH                           0xFC001FFF
+#define   S_038004_DATA_FORMAT(x)                      (((x) & 0x3F) << 26)
+#define   G_038004_DATA_FORMAT(x)                      (((x) >> 26) & 0x3F)
+#define   C_038004_DATA_FORMAT                         0x03FFFFFF
+#define     V_038004_COLOR_INVALID                     0x00000000
+#define     V_038004_COLOR_8                           0x00000001
+#define     V_038004_COLOR_4_4                         0x00000002
+#define     V_038004_COLOR_3_3_2                       0x00000003
+#define     V_038004_COLOR_16                          0x00000005
+#define     V_038004_COLOR_16_FLOAT                    0x00000006
+#define     V_038004_COLOR_8_8                         0x00000007
+#define     V_038004_COLOR_5_6_5                       0x00000008
+#define     V_038004_COLOR_6_5_5                       0x00000009
+#define     V_038004_COLOR_1_5_5_5                     0x0000000A
+#define     V_038004_COLOR_4_4_4_4                     0x0000000B
+#define     V_038004_COLOR_5_5_5_1                     0x0000000C
+#define     V_038004_COLOR_32                          0x0000000D
+#define     V_038004_COLOR_32_FLOAT                    0x0000000E
+#define     V_038004_COLOR_16_16                       0x0000000F
+#define     V_038004_COLOR_16_16_FLOAT                 0x00000010
+#define     V_038004_COLOR_8_24                        0x00000011
+#define     V_038004_COLOR_8_24_FLOAT                  0x00000012
+#define     V_038004_COLOR_24_8                        0x00000013
+#define     V_038004_COLOR_24_8_FLOAT                  0x00000014
+#define     V_038004_COLOR_10_11_11                    0x00000015
+#define     V_038004_COLOR_10_11_11_FLOAT              0x00000016
+#define     V_038004_COLOR_11_11_10                    0x00000017
+#define     V_038004_COLOR_11_11_10_FLOAT              0x00000018
+#define     V_038004_COLOR_2_10_10_10                  0x00000019
+#define     V_038004_COLOR_8_8_8_8                     0x0000001A
+#define     V_038004_COLOR_10_10_10_2                  0x0000001B
+#define     V_038004_COLOR_X24_8_32_FLOAT              0x0000001C
+#define     V_038004_COLOR_32_32                       0x0000001D
+#define     V_038004_COLOR_32_32_FLOAT                 0x0000001E
+#define     V_038004_COLOR_16_16_16_16                 0x0000001F
+#define     V_038004_COLOR_16_16_16_16_FLOAT           0x00000020
+#define     V_038004_COLOR_32_32_32_32                 0x00000022
+#define     V_038004_COLOR_32_32_32_32_FLOAT           0x00000023
+#define     V_038004_FMT_1                             0x00000025
+#define     V_038004_FMT_GB_GR                         0x00000027
+#define     V_038004_FMT_BG_RG                         0x00000028
+#define     V_038004_FMT_32_AS_8                       0x00000029
+#define     V_038004_FMT_32_AS_8_8                     0x0000002A
+#define     V_038004_FMT_5_9_9_9_SHAREDEXP             0x0000002B
+#define     V_038004_FMT_8_8_8                         0x0000002C
+#define     V_038004_FMT_16_16_16                      0x0000002D
+#define     V_038004_FMT_16_16_16_FLOAT                0x0000002E
+#define     V_038004_FMT_32_32_32                      0x0000002F
+#define     V_038004_FMT_32_32_32_FLOAT                0x00000030
+#define R_038010_SQ_TEX_RESOURCE_WORD4_0             0x038010
+#define   S_038010_FORMAT_COMP_X(x)                    (((x) & 0x3) << 0)
+#define   G_038010_FORMAT_COMP_X(x)                    (((x) >> 0) & 0x3)
+#define   C_038010_FORMAT_COMP_X                       0xFFFFFFFC
+#define   S_038010_FORMAT_COMP_Y(x)                    (((x) & 0x3) << 2)
+#define   G_038010_FORMAT_COMP_Y(x)                    (((x) >> 2) & 0x3)
+#define   C_038010_FORMAT_COMP_Y                       0xFFFFFFF3
+#define   S_038010_FORMAT_COMP_Z(x)                    (((x) & 0x3) << 4)
+#define   G_038010_FORMAT_COMP_Z(x)                    (((x) >> 4) & 0x3)
+#define   C_038010_FORMAT_COMP_Z                       0xFFFFFFCF
+#define   S_038010_FORMAT_COMP_W(x)                    (((x) & 0x3) << 6)
+#define   G_038010_FORMAT_COMP_W(x)                    (((x) >> 6) & 0x3)
+#define   C_038010_FORMAT_COMP_W                       0xFFFFFF3F
+#define   S_038010_NUM_FORMAT_ALL(x)                   (((x) & 0x3) << 8)
+#define   G_038010_NUM_FORMAT_ALL(x)                   (((x) >> 8) & 0x3)
+#define   C_038010_NUM_FORMAT_ALL                      0xFFFFFCFF
+#define   S_038010_SRF_MODE_ALL(x)                     (((x) & 0x1) << 10)
+#define   G_038010_SRF_MODE_ALL(x)                     (((x) >> 10) & 0x1)
+#define   C_038010_SRF_MODE_ALL                        0xFFFFFBFF
+#define   S_038010_FORCE_DEGAMMA(x)                    (((x) & 0x1) << 11)
+#define   G_038010_FORCE_DEGAMMA(x)                    (((x) >> 11) & 0x1)
+#define   C_038010_FORCE_DEGAMMA                       0xFFFFF7FF
+#define   S_038010_ENDIAN_SWAP(x)                      (((x) & 0x3) << 12)
+#define   G_038010_ENDIAN_SWAP(x)                      (((x) >> 12) & 0x3)
+#define   C_038010_ENDIAN_SWAP                         0xFFFFCFFF
+#define   S_038010_REQUEST_SIZE(x)                     (((x) & 0x3) << 14)
+#define   G_038010_REQUEST_SIZE(x)                     (((x) >> 14) & 0x3)
+#define   C_038010_REQUEST_SIZE                        0xFFFF3FFF
+#define   S_038010_DST_SEL_X(x)                        (((x) & 0x7) << 16)
+#define   G_038010_DST_SEL_X(x)                        (((x) >> 16) & 0x7)
+#define   C_038010_DST_SEL_X                           0xFFF8FFFF
+#define   S_038010_DST_SEL_Y(x)                        (((x) & 0x7) << 19)
+#define   G_038010_DST_SEL_Y(x)                        (((x) >> 19) & 0x7)
+#define   C_038010_DST_SEL_Y                           0xFFC7FFFF
+#define   S_038010_DST_SEL_Z(x)                        (((x) & 0x7) << 22)
+#define   G_038010_DST_SEL_Z(x)                        (((x) >> 22) & 0x7)
+#define   C_038010_DST_SEL_Z                           0xFE3FFFFF
+#define   S_038010_DST_SEL_W(x)                        (((x) & 0x7) << 25)
+#define   G_038010_DST_SEL_W(x)                        (((x) >> 25) & 0x7)
+#define   C_038010_DST_SEL_W                           0xF1FFFFFF
+#define   S_038010_BASE_LEVEL(x)                       (((x) & 0xF) << 28)
+#define   G_038010_BASE_LEVEL(x)                       (((x) >> 28) & 0xF)
+#define   C_038010_BASE_LEVEL                          0x0FFFFFFF
+#define R_038014_SQ_TEX_RESOURCE_WORD5_0             0x038014
+#define   S_038014_LAST_LEVEL(x)                       (((x) & 0xF) << 0)
+#define   G_038014_LAST_LEVEL(x)                       (((x) >> 0) & 0xF)
+#define   C_038014_LAST_LEVEL                          0xFFFFFFF0
+#define   S_038014_BASE_ARRAY(x)                       (((x) & 0x1FFF) << 4)
+#define   G_038014_BASE_ARRAY(x)                       (((x) >> 4) & 0x1FFF)
+#define   C_038014_BASE_ARRAY                          0xFFFE000F
+#define   S_038014_LAST_ARRAY(x)                       (((x) & 0x1FFF) << 17)
+#define   G_038014_LAST_ARRAY(x)                       (((x) >> 17) & 0x1FFF)
+#define   C_038014_LAST_ARRAY                          0xC001FFFF
+#define R_0288A8_SQ_ESGS_RING_ITEMSIZE               0x0288A8
+#define   S_0288A8_ITEMSIZE(x)                         (((x) & 0x7FFF) << 0)
+#define   G_0288A8_ITEMSIZE(x)                         (((x) >> 0) & 0x7FFF)
+#define   C_0288A8_ITEMSIZE                            0xFFFF8000
+#define R_008C44_SQ_ESGS_RING_SIZE                   0x008C44
+#define   S_008C44_MEM_SIZE(x)                         (((x) & 0xFFFFFFFF) << 0)
+#define   G_008C44_MEM_SIZE(x)                         (((x) >> 0) & 0xFFFFFFFF)
+#define   C_008C44_MEM_SIZE                            0x00000000
+#define R_0288B0_SQ_ESTMP_RING_ITEMSIZE              0x0288B0
+#define   S_0288B0_ITEMSIZE(x)                         (((x) & 0x7FFF) << 0)
+#define   G_0288B0_ITEMSIZE(x)                         (((x) >> 0) & 0x7FFF)
+#define   C_0288B0_ITEMSIZE                            0xFFFF8000
+#define R_008C54_SQ_ESTMP_RING_SIZE                  0x008C54
+#define   S_008C54_MEM_SIZE(x)                         (((x) & 0xFFFFFFFF) << 0)
+#define   G_008C54_MEM_SIZE(x)                         (((x) >> 0) & 0xFFFFFFFF)
+#define   C_008C54_MEM_SIZE                            0x00000000
+#define R_0288C0_SQ_FBUF_RING_ITEMSIZE               0x0288C0
+#define   S_0288C0_ITEMSIZE(x)                         (((x) & 0x7FFF) << 0)
+#define   G_0288C0_ITEMSIZE(x)                         (((x) >> 0) & 0x7FFF)
+#define   C_0288C0_ITEMSIZE                            0xFFFF8000
+#define R_008C74_SQ_FBUF_RING_SIZE                   0x008C74
+#define   S_008C74_MEM_SIZE(x)                         (((x) & 0xFFFFFFFF) << 0)
+#define   G_008C74_MEM_SIZE(x)                         (((x) >> 0) & 0xFFFFFFFF)
+#define   C_008C74_MEM_SIZE                            0x00000000
+#define R_0288B4_SQ_GSTMP_RING_ITEMSIZE              0x0288B4
+#define   S_0288B4_ITEMSIZE(x)                         (((x) & 0x7FFF) << 0)
+#define   G_0288B4_ITEMSIZE(x)                         (((x) >> 0) & 0x7FFF)
+#define   C_0288B4_ITEMSIZE                            0xFFFF8000
+#define R_008C5C_SQ_GSTMP_RING_SIZE                  0x008C5C
+#define   S_008C5C_MEM_SIZE(x)                         (((x) & 0xFFFFFFFF) << 0)
+#define   G_008C5C_MEM_SIZE(x)                         (((x) >> 0) & 0xFFFFFFFF)
+#define   C_008C5C_MEM_SIZE                            0x00000000
+#define R_0288AC_SQ_GSVS_RING_ITEMSIZE               0x0288AC
+#define   S_0288AC_ITEMSIZE(x)                         (((x) & 0x7FFF) << 0)
+#define   G_0288AC_ITEMSIZE(x)                         (((x) >> 0) & 0x7FFF)
+#define   C_0288AC_ITEMSIZE                            0xFFFF8000
+#define R_008C4C_SQ_GSVS_RING_SIZE                   0x008C4C
+#define   S_008C4C_MEM_SIZE(x)                         (((x) & 0xFFFFFFFF) << 0)
+#define   G_008C4C_MEM_SIZE(x)                         (((x) >> 0) & 0xFFFFFFFF)
+#define   C_008C4C_MEM_SIZE                            0x00000000
+#define R_0288BC_SQ_PSTMP_RING_ITEMSIZE              0x0288BC
+#define   S_0288BC_ITEMSIZE(x)                         (((x) & 0x7FFF) << 0)
+#define   G_0288BC_ITEMSIZE(x)                         (((x) >> 0) & 0x7FFF)
+#define   C_0288BC_ITEMSIZE                            0xFFFF8000
+#define R_008C6C_SQ_PSTMP_RING_SIZE                  0x008C6C
+#define   S_008C6C_MEM_SIZE(x)                         (((x) & 0xFFFFFFFF) << 0)
+#define   G_008C6C_MEM_SIZE(x)                         (((x) >> 0) & 0xFFFFFFFF)
+#define   C_008C6C_MEM_SIZE                            0x00000000
+#define R_0288C4_SQ_REDUC_RING_ITEMSIZE              0x0288C4
+#define   S_0288C4_ITEMSIZE(x)                         (((x) & 0x7FFF) << 0)
+#define   G_0288C4_ITEMSIZE(x)                         (((x) >> 0) & 0x7FFF)
+#define   C_0288C4_ITEMSIZE                            0xFFFF8000
+#define R_008C7C_SQ_REDUC_RING_SIZE                  0x008C7C
+#define   S_008C7C_MEM_SIZE(x)                         (((x) & 0xFFFFFFFF) << 0)
+#define   G_008C7C_MEM_SIZE(x)                         (((x) >> 0) & 0xFFFFFFFF)
+#define   C_008C7C_MEM_SIZE                            0x00000000
+#define R_0288B8_SQ_VSTMP_RING_ITEMSIZE              0x0288B8
+#define   S_0288B8_ITEMSIZE(x)                         (((x) & 0x7FFF) << 0)
+#define   G_0288B8_ITEMSIZE(x)                         (((x) >> 0) & 0x7FFF)
+#define   C_0288B8_ITEMSIZE                            0xFFFF8000
+#define R_008C64_SQ_VSTMP_RING_SIZE                  0x008C64
+#define   S_008C64_MEM_SIZE(x)                         (((x) & 0xFFFFFFFF) << 0)
+#define   G_008C64_MEM_SIZE(x)                         (((x) >> 0) & 0xFFFFFFFF)
+#define   C_008C64_MEM_SIZE                            0x00000000
+#define R_0288C8_SQ_GS_VERT_ITEMSIZE                 0x0288C8
+#define   S_0288C8_ITEMSIZE(x)                         (((x) & 0x7FFF) << 0)
+#define   G_0288C8_ITEMSIZE(x)                         (((x) >> 0) & 0x7FFF)
+#define   C_0288C8_ITEMSIZE                            0xFFFF8000
+#define R_028010_DB_DEPTH_INFO                       0x028010
+#define   S_028010_FORMAT(x)                           (((x) & 0x7) << 0)
+#define   G_028010_FORMAT(x)                           (((x) >> 0) & 0x7)
+#define   C_028010_FORMAT                              0xFFFFFFF8
+#define     V_028010_DEPTH_INVALID                     0x00000000
+#define     V_028010_DEPTH_16                          0x00000001
+#define     V_028010_DEPTH_X8_24                       0x00000002
+#define     V_028010_DEPTH_8_24                        0x00000003
+#define     V_028010_DEPTH_X8_24_FLOAT                 0x00000004
+#define     V_028010_DEPTH_8_24_FLOAT                  0x00000005
+#define     V_028010_DEPTH_32_FLOAT                    0x00000006
+#define     V_028010_DEPTH_X24_8_32_FLOAT              0x00000007
+#define   S_028010_READ_SIZE(x)                        (((x) & 0x1) << 3)
+#define   G_028010_READ_SIZE(x)                        (((x) >> 3) & 0x1)
+#define   C_028010_READ_SIZE                           0xFFFFFFF7
+#define   S_028010_ARRAY_MODE(x)                       (((x) & 0xF) << 15)
+#define   G_028010_ARRAY_MODE(x)                       (((x) >> 15) & 0xF)
+#define   C_028010_ARRAY_MODE                          0xFFF87FFF
+#define   S_028010_TILE_SURFACE_ENABLE(x)              (((x) & 0x1) << 25)
+#define   G_028010_TILE_SURFACE_ENABLE(x)              (((x) >> 25) & 0x1)
+#define   C_028010_TILE_SURFACE_ENABLE                 0xFDFFFFFF
+#define   S_028010_TILE_COMPACT(x)                     (((x) & 0x1) << 26)
+#define   G_028010_TILE_COMPACT(x)                     (((x) >> 26) & 0x1)
+#define   C_028010_TILE_COMPACT                        0xFBFFFFFF
+#define   S_028010_ZRANGE_PRECISION(x)                 (((x) & 0x1) << 31)
+#define   G_028010_ZRANGE_PRECISION(x)                 (((x) >> 31) & 0x1)
+#define   C_028010_ZRANGE_PRECISION                    0x7FFFFFFF
+#define R_028000_DB_DEPTH_SIZE                       0x028000
+#define   S_028000_PITCH_TILE_MAX(x)                   (((x) & 0x3FF) << 0)
+#define   G_028000_PITCH_TILE_MAX(x)                   (((x) >> 0) & 0x3FF)
+#define   C_028000_PITCH_TILE_MAX                      0xFFFFFC00
+#define   S_028000_SLICE_TILE_MAX(x)                   (((x) & 0xFFFFF) << 10)
+#define   G_028000_SLICE_TILE_MAX(x)                   (((x) >> 10) & 0xFFFFF)
+#define   C_028000_SLICE_TILE_MAX                      0xC00003FF
+#define R_028004_DB_DEPTH_VIEW                       0x028004
+#define   S_028004_SLICE_START(x)                      (((x) & 0x7FF) << 0)
+#define   G_028004_SLICE_START(x)                      (((x) >> 0) & 0x7FF)
+#define   C_028004_SLICE_START                         0xFFFFF800
+#define   S_028004_SLICE_MAX(x)                        (((x) & 0x7FF) << 13)
+#define   G_028004_SLICE_MAX(x)                        (((x) >> 13) & 0x7FF)
+#define   C_028004_SLICE_MAX                           0xFF001FFF
+#define R_028800_DB_DEPTH_CONTROL                    0x028800
+#define   S_028800_STENCIL_ENABLE(x)                   (((x) & 0x1) << 0)
+#define   G_028800_STENCIL_ENABLE(x)                   (((x) >> 0) & 0x1)
+#define   C_028800_STENCIL_ENABLE                      0xFFFFFFFE
+#define   S_028800_Z_ENABLE(x)                         (((x) & 0x1) << 1)
+#define   G_028800_Z_ENABLE(x)                         (((x) >> 1) & 0x1)
+#define   C_028800_Z_ENABLE                            0xFFFFFFFD
+#define   S_028800_Z_WRITE_ENABLE(x)                   (((x) & 0x1) << 2)
+#define   G_028800_Z_WRITE_ENABLE(x)                   (((x) >> 2) & 0x1)
+#define   C_028800_Z_WRITE_ENABLE                      0xFFFFFFFB
+#define   S_028800_ZFUNC(x)                            (((x) & 0x7) << 4)
+#define   G_028800_ZFUNC(x)                            (((x) >> 4) & 0x7)
+#define   C_028800_ZFUNC                               0xFFFFFF8F
+#define   S_028800_BACKFACE_ENABLE(x)                  (((x) & 0x1) << 7)
+#define   G_028800_BACKFACE_ENABLE(x)                  (((x) >> 7) & 0x1)
+#define   C_028800_BACKFACE_ENABLE                     0xFFFFFF7F
+#define   S_028800_STENCILFUNC(x)                      (((x) & 0x7) << 8)
+#define   G_028800_STENCILFUNC(x)                      (((x) >> 8) & 0x7)
+#define   C_028800_STENCILFUNC                         0xFFFFF8FF
+#define   S_028800_STENCILFAIL(x)                      (((x) & 0x7) << 11)
+#define   G_028800_STENCILFAIL(x)                      (((x) >> 11) & 0x7)
+#define   C_028800_STENCILFAIL                         0xFFFFC7FF
+#define   S_028800_STENCILZPASS(x)                     (((x) & 0x7) << 14)
+#define   G_028800_STENCILZPASS(x)                     (((x) >> 14) & 0x7)
+#define   C_028800_STENCILZPASS                        0xFFFE3FFF
+#define   S_028800_STENCILZFAIL(x)                     (((x) & 0x7) << 17)
+#define   G_028800_STENCILZFAIL(x)                     (((x) >> 17) & 0x7)
+#define   C_028800_STENCILZFAIL                        0xFFF1FFFF
+#define   S_028800_STENCILFUNC_BF(x)                   (((x) & 0x7) << 20)
+#define   G_028800_STENCILFUNC_BF(x)                   (((x) >> 20) & 0x7)
+#define   C_028800_STENCILFUNC_BF                      0xFF8FFFFF
+#define   S_028800_STENCILFAIL_BF(x)                   (((x) & 0x7) << 23)
+#define   G_028800_STENCILFAIL_BF(x)                   (((x) >> 23) & 0x7)
+#define   C_028800_STENCILFAIL_BF                      0xFC7FFFFF
+#define   S_028800_STENCILZPASS_BF(x)                  (((x) & 0x7) << 26)
+#define   G_028800_STENCILZPASS_BF(x)                  (((x) >> 26) & 0x7)
+#define   C_028800_STENCILZPASS_BF                     0xE3FFFFFF
+#define   S_028800_STENCILZFAIL_BF(x)                  (((x) & 0x7) << 29)
+#define   G_028800_STENCILZFAIL_BF(x)                  (((x) >> 29) & 0x7)
+#define   C_028800_STENCILZFAIL_BF                     0x1FFFFFFF
 
 #endif
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index c0356bb193e5..034218c3dbbb 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -89,7 +89,10 @@ extern int radeon_testing;
 extern int radeon_connector_table;
 extern int radeon_tv;
 extern int radeon_new_pll;
+extern int radeon_dynpm;
 extern int radeon_audio;
+extern int radeon_disp_priority;
+extern int radeon_hw_i2c;
 
 /*
  * Copy from radeon_drv.h so we don't have to include both and have conflicting
@@ -118,6 +121,21 @@ struct radeon_device;
 /*
  * BIOS.
  */
+#define ATRM_BIOS_PAGE 4096
+
+#if defined(CONFIG_VGA_SWITCHEROO)
+bool radeon_atrm_supported(struct pci_dev *pdev);
+int radeon_atrm_get_bios_chunk(uint8_t *bios, int offset, int len);
+#else
+static inline bool radeon_atrm_supported(struct pci_dev *pdev)
+{
+	return false;
+}
+
+static inline int radeon_atrm_get_bios_chunk(uint8_t *bios, int offset, int len){
+	return -EINVAL;
+}
+#endif
 bool radeon_get_bios(struct radeon_device *rdev);
 
 
@@ -138,17 +156,24 @@ void radeon_dummy_page_fini(struct radeon_device *rdev);
 struct radeon_clock {
 	struct radeon_pll p1pll;
 	struct radeon_pll p2pll;
+	struct radeon_pll dcpll;
 	struct radeon_pll spll;
 	struct radeon_pll mpll;
 	/* 10 Khz units */
 	uint32_t default_mclk;
 	uint32_t default_sclk;
+	uint32_t default_dispclk;
+	uint32_t dp_extclk;
 };
 
 /*
  * Power management
  */
 int radeon_pm_init(struct radeon_device *rdev);
+void radeon_pm_fini(struct radeon_device *rdev);
+void radeon_pm_compute_clocks(struct radeon_device *rdev);
+void radeon_combios_get_power_modes(struct radeon_device *rdev);
+void radeon_atombios_get_power_modes(struct radeon_device *rdev);
 
 /*
  * Fences.
@@ -275,6 +300,7 @@ union radeon_gart_table {
 };
 
 #define RADEON_GPU_PAGE_SIZE 4096
+#define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1)
 
 struct radeon_gart {
 	dma_addr_t			table_addr;
@@ -309,21 +335,19 @@ struct radeon_mc {
 	/* for some chips with <= 32MB we need to lie
 	 * about vram size near mc fb location */
 	u64			mc_vram_size;
-	u64			gtt_location;
+	u64			visible_vram_size;
 	u64			gtt_size;
 	u64			gtt_start;
 	u64			gtt_end;
-	u64			vram_location;
 	u64			vram_start;
 	u64			vram_end;
 	unsigned		vram_width;
 	u64			real_vram_size;
 	int			vram_mtrr;
 	bool			vram_is_ddr;
-	bool                    igp_sideport_enabled;
+	bool			igp_sideport_enabled;
 };
 
-int radeon_mc_setup(struct radeon_device *rdev);
 bool radeon_combios_sideport_present(struct radeon_device *rdev);
 bool radeon_atombios_sideport_present(struct radeon_device *rdev);
 
@@ -348,6 +372,7 @@ struct radeon_irq {
 	bool		sw_int;
 	/* FIXME: use a define max crtc rather than hardcode it */
 	bool		crtc_vblank_int[2];
+	wait_queue_head_t	vblank_queue;
 	/* FIXME: use defines for max hpd/dacs */
 	bool            hpd[6];
 	spinlock_t sw_lock;
@@ -379,6 +404,7 @@ struct radeon_ib {
 struct radeon_ib_pool {
 	struct mutex		mutex;
 	struct radeon_bo	*robj;
+	struct list_head	bogus_ib;
 	struct radeon_ib	ibs[RADEON_IB_POOL_SIZE];
 	bool			ready;
 	unsigned		head_id;
@@ -433,6 +459,7 @@ int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib);
 int radeon_ib_pool_init(struct radeon_device *rdev);
 void radeon_ib_pool_fini(struct radeon_device *rdev);
 int radeon_ib_test(struct radeon_device *rdev);
+extern void radeon_ib_bogus_add(struct radeon_device *rdev, struct radeon_ib *ib);
 /* Ring access between begin & end cannot sleep */
 void radeon_ring_free_size(struct radeon_device *rdev);
 int radeon_ring_lock(struct radeon_device *rdev, unsigned ndw);
@@ -570,7 +597,100 @@ struct radeon_wb {
  * Equation between gpu/memory clock and available bandwidth is hw dependent
  * (type of memory, bus size, efficiency, ...)
  */
+enum radeon_pm_state {
+	PM_STATE_DISABLED,
+	PM_STATE_MINIMUM,
+	PM_STATE_PAUSED,
+	PM_STATE_ACTIVE
+};
+enum radeon_pm_action {
+	PM_ACTION_NONE,
+	PM_ACTION_MINIMUM,
+	PM_ACTION_DOWNCLOCK,
+	PM_ACTION_UPCLOCK
+};
+
+enum radeon_voltage_type {
+	VOLTAGE_NONE = 0,
+	VOLTAGE_GPIO,
+	VOLTAGE_VDDC,
+	VOLTAGE_SW
+};
+
+enum radeon_pm_state_type {
+	POWER_STATE_TYPE_DEFAULT,
+	POWER_STATE_TYPE_POWERSAVE,
+	POWER_STATE_TYPE_BATTERY,
+	POWER_STATE_TYPE_BALANCED,
+	POWER_STATE_TYPE_PERFORMANCE,
+};
+
+enum radeon_pm_clock_mode_type {
+	POWER_MODE_TYPE_DEFAULT,
+	POWER_MODE_TYPE_LOW,
+	POWER_MODE_TYPE_MID,
+	POWER_MODE_TYPE_HIGH,
+};
+
+struct radeon_voltage {
+	enum radeon_voltage_type type;
+	/* gpio voltage */
+	struct radeon_gpio_rec gpio;
+	u32 delay; /* delay in usec from voltage drop to sclk change */
+	bool active_high; /* voltage drop is active when bit is high */
+	/* VDDC voltage */
+	u8 vddc_id; /* index into vddc voltage table */
+	u8 vddci_id; /* index into vddci voltage table */
+	bool vddci_enabled;
+	/* r6xx+ sw */
+	u32 voltage;
+};
+
+struct radeon_pm_non_clock_info {
+	/* pcie lanes */
+	int pcie_lanes;
+	/* standardized non-clock flags */
+	u32 flags;
+};
+
+struct radeon_pm_clock_info {
+	/* memory clock */
+	u32 mclk;
+	/* engine clock */
+	u32 sclk;
+	/* voltage info */
+	struct radeon_voltage voltage;
+	/* standardized clock flags - not sure we'll need these */
+	u32 flags;
+};
+
+struct radeon_power_state {
+	enum radeon_pm_state_type type;
+	/* XXX: use a define for num clock modes */
+	struct radeon_pm_clock_info clock_info[8];
+	/* number of valid clock modes in this power state */
+	int num_clock_modes;
+	struct radeon_pm_clock_info *default_clock_mode;
+	/* non clock info about this state */
+	struct radeon_pm_non_clock_info non_clock_info;
+	bool voltage_drop_active;
+};
+
+/*
+ * Some modes are overclocked by very low value, accept them
+ */
+#define RADEON_MODE_OVERCLOCK_MARGIN 500 /* 5 MHz */
+
 struct radeon_pm {
+	struct mutex		mutex;
+	struct delayed_work	idle_work;
+	enum radeon_pm_state	state;
+	enum radeon_pm_action	planned_action;
+	unsigned long		action_timeout;
+	bool 			downclocked;
+	int			active_crtcs;
+	int			req_vblank;
+	bool			vblank_sync;
 	fixed20_12		max_bandwidth;
 	fixed20_12		igp_sideport_mclk;
 	fixed20_12		igp_system_mclk;
@@ -581,7 +701,18 @@ struct radeon_pm {
 	fixed20_12		ht_bandwidth;
 	fixed20_12		core_bandwidth;
 	fixed20_12		sclk;
+	fixed20_12		mclk;
 	fixed20_12		needed_bandwidth;
+	/* XXX: use a define for num power modes */
+	struct radeon_power_state power_state[8];
+	/* number of valid power states */
+	int                     num_power_states;
+	struct radeon_power_state *current_power_state;
+	struct radeon_pm_clock_info *current_clock_mode;
+	struct radeon_power_state *requested_power_state;
+	struct radeon_pm_clock_info *requested_clock_mode;
+	struct radeon_power_state *default_power_state;
+	struct radeon_i2c_chan *i2c_bus;
 };
 
 
@@ -604,8 +735,6 @@ int radeon_debugfs_add_files(struct radeon_device *rdev,
 			     struct drm_info_list *files,
 			     unsigned nfiles);
 int radeon_debugfs_fence_init(struct radeon_device *rdev);
-int r100_debugfs_rbbm_init(struct radeon_device *rdev);
-int r100_debugfs_cp_init(struct radeon_device *rdev);
 
 
 /*
@@ -651,12 +780,13 @@ struct radeon_asic {
 	void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock);
 	uint32_t (*get_memory_clock)(struct radeon_device *rdev);
 	void (*set_memory_clock)(struct radeon_device *rdev, uint32_t mem_clock);
+	int (*get_pcie_lanes)(struct radeon_device *rdev);
 	void (*set_pcie_lanes)(struct radeon_device *rdev, int lanes);
 	void (*set_clock_gating)(struct radeon_device *rdev, int enable);
 	int (*set_surface_reg)(struct radeon_device *rdev, int reg,
 			       uint32_t tiling_flags, uint32_t pitch,
 			       uint32_t offset, uint32_t obj_size);
-	int (*clear_surface_reg)(struct radeon_device *rdev, int reg);
+	void (*clear_surface_reg)(struct radeon_device *rdev, int reg);
 	void (*bandwidth_update)(struct radeon_device *rdev);
 	void (*hpd_init)(struct radeon_device *rdev);
 	void (*hpd_fini)(struct radeon_device *rdev);
@@ -701,6 +831,9 @@ struct r600_asic {
 	unsigned sx_max_export_pos_size;
 	unsigned sx_max_export_smx_size;
 	unsigned sq_num_cf_insts;
+	unsigned tiling_nbanks;
+	unsigned tiling_npipes;
+	unsigned tiling_group_size;
 };
 
 struct rv770_asic {
@@ -721,6 +854,9 @@ struct rv770_asic {
 	unsigned sc_prim_fifo_size;
 	unsigned sc_hiz_tile_fifo_size;
 	unsigned sc_earlyz_tile_fifo_fize;
+	unsigned tiling_nbanks;
+	unsigned tiling_npipes;
+	unsigned tiling_group_size;
 };
 
 union radeon_asic_config {
@@ -730,6 +866,12 @@ union radeon_asic_config {
 	struct rv770_asic	rv770;
 };
 
+/*
+ * asic initizalization from radeon_asic.c
+ */
+void radeon_agp_disable(struct radeon_device *rdev);
+int radeon_asic_init(struct radeon_device *rdev);
+
 
 /*
  * IOCTL.
@@ -830,6 +972,8 @@ struct radeon_device {
 	struct r600_ih ih; /* r6/700 interrupt ring */
 	struct workqueue_struct *wq;
 	struct work_struct hotplug_work;
+	int num_crtc; /* number of crtcs */
+	struct mutex dc_hw_i2c_mutex; /* display controller hw i2c mutex */
 
 	/* audio stuff */
 	struct timer_list	audio_timer;
@@ -838,6 +982,8 @@ struct radeon_device {
 	int			audio_bits_per_sample;
 	uint8_t			audio_status_bits;
 	uint8_t			audio_category_code;
+
+	bool powered_down;
 };
 
 int radeon_device_init(struct radeon_device *rdev,
@@ -895,6 +1041,8 @@ static inline void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32
 #define WREG32_MC(reg, v) rdev->mc_wreg(rdev, (reg), (v))
 #define RREG32_PCIE(reg) rv370_pcie_rreg(rdev, (reg))
 #define WREG32_PCIE(reg, v) rv370_pcie_wreg(rdev, (reg), (v))
+#define RREG32_PCIE_P(reg) rdev->pciep_rreg(rdev, (reg))
+#define WREG32_PCIE_P(reg, v) rdev->pciep_wreg(rdev, (reg), (v))
 #define WREG32_P(reg, val, mask)				\
 	do {							\
 		uint32_t tmp_ = RREG32(reg);			\
@@ -956,7 +1104,7 @@ void r100_pll_errata_after_index(struct radeon_device *rdev);
 #define ASIC_IS_AVIVO(rdev) ((rdev->family >= CHIP_RS600))
 #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620))
 #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730))
-
+#define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR))
 
 /*
  * BIOS helpers.
@@ -1015,6 +1163,7 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
 #define radeon_set_engine_clock(rdev, e) (rdev)->asic->set_engine_clock((rdev), (e))
 #define radeon_get_memory_clock(rdev) (rdev)->asic->get_memory_clock((rdev))
 #define radeon_set_memory_clock(rdev, e) (rdev)->asic->set_memory_clock((rdev), (e))
+#define radeon_get_pcie_lanes(rdev) (rdev)->asic->get_pcie_lanes((rdev))
 #define radeon_set_pcie_lanes(rdev, l) (rdev)->asic->set_pcie_lanes((rdev), (l))
 #define radeon_set_clock_gating(rdev, e) (rdev)->asic->set_clock_gating((rdev), (e))
 #define radeon_set_surface_reg(rdev, r, f, p, o, s) ((rdev)->asic->set_surface_reg((rdev), (r), (f), (p), (o), (s)))
@@ -1029,9 +1178,12 @@ static inline void radeon_ring_write(struct radeon_device *rdev, uint32_t v)
 /* AGP */
 extern void radeon_agp_disable(struct radeon_device *rdev);
 extern int radeon_gart_table_vram_pin(struct radeon_device *rdev);
+extern void radeon_gart_restore(struct radeon_device *rdev);
 extern int radeon_modeset_init(struct radeon_device *rdev);
 extern void radeon_modeset_fini(struct radeon_device *rdev);
 extern bool radeon_card_posted(struct radeon_device *rdev);
+extern void radeon_update_bandwidth_info(struct radeon_device *rdev);
+extern void radeon_update_display_priority(struct radeon_device *rdev);
 extern bool radeon_boot_test_post_card(struct radeon_device *rdev);
 extern int radeon_clocks_init(struct radeon_device *rdev);
 extern void radeon_clocks_fini(struct radeon_device *rdev);
@@ -1042,53 +1194,12 @@ extern void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enabl
 extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
 extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
 extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
+extern void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base);
+extern void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
+extern int radeon_resume_kms(struct drm_device *dev);
+extern int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
 
 /* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280 */
-struct r100_mc_save {
-	u32	GENMO_WT;
-	u32	CRTC_EXT_CNTL;
-	u32	CRTC_GEN_CNTL;
-	u32	CRTC2_GEN_CNTL;
-	u32	CUR_OFFSET;
-	u32	CUR2_OFFSET;
-};
-extern void r100_cp_disable(struct radeon_device *rdev);
-extern int r100_cp_init(struct radeon_device *rdev, unsigned ring_size);
-extern void r100_cp_fini(struct radeon_device *rdev);
-extern void r100_pci_gart_tlb_flush(struct radeon_device *rdev);
-extern int r100_pci_gart_init(struct radeon_device *rdev);
-extern void r100_pci_gart_fini(struct radeon_device *rdev);
-extern int r100_pci_gart_enable(struct radeon_device *rdev);
-extern void r100_pci_gart_disable(struct radeon_device *rdev);
-extern int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr);
-extern int r100_debugfs_mc_info_init(struct radeon_device *rdev);
-extern int r100_gui_wait_for_idle(struct radeon_device *rdev);
-extern void r100_ib_fini(struct radeon_device *rdev);
-extern int r100_ib_init(struct radeon_device *rdev);
-extern void r100_irq_disable(struct radeon_device *rdev);
-extern int r100_irq_set(struct radeon_device *rdev);
-extern void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save);
-extern void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save);
-extern void r100_vram_init_sizes(struct radeon_device *rdev);
-extern void r100_wb_disable(struct radeon_device *rdev);
-extern void r100_wb_fini(struct radeon_device *rdev);
-extern int r100_wb_init(struct radeon_device *rdev);
-extern void r100_hdp_reset(struct radeon_device *rdev);
-extern int r100_rb2d_reset(struct radeon_device *rdev);
-extern int r100_cp_reset(struct radeon_device *rdev);
-extern void r100_vga_render_disable(struct radeon_device *rdev);
-extern int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
-						struct radeon_cs_packet *pkt,
-						struct radeon_bo *robj);
-extern int r100_cs_parse_packet0(struct radeon_cs_parser *p,
-				struct radeon_cs_packet *pkt,
-				const unsigned *auth, unsigned n,
-				radeon_packet0_check_t check);
-extern int r100_cs_packet_parse(struct radeon_cs_parser *p,
-				struct radeon_cs_packet *pkt,
-				unsigned idx);
-extern void r100_enable_bm(struct radeon_device *rdev);
-extern void r100_set_common_regs(struct radeon_device *rdev);
 
 /* rv200,rv250,rv280 */
 extern void r200_set_safe_registers(struct radeon_device *rdev);
@@ -1096,7 +1207,7 @@ extern void r200_set_safe_registers(struct radeon_device *rdev);
 /* r300,r350,rv350,rv370,rv380 */
 extern void r300_set_reg_safe(struct radeon_device *rdev);
 extern void r300_mc_program(struct radeon_device *rdev);
-extern void r300_vram_info(struct radeon_device *rdev);
+extern void r300_mc_init(struct radeon_device *rdev);
 extern void r300_clock_startup(struct radeon_device *rdev);
 extern int r300_mc_wait_for_idle(struct radeon_device *rdev);
 extern int rv370_pcie_gart_init(struct radeon_device *rdev);
@@ -1105,7 +1216,6 @@ extern int rv370_pcie_gart_enable(struct radeon_device *rdev);
 extern void rv370_pcie_gart_disable(struct radeon_device *rdev);
 
 /* r420,r423,rv410 */
-extern int r420_mc_init(struct radeon_device *rdev);
 extern u32 r420_mc_rreg(struct radeon_device *rdev, u32 reg);
 extern void r420_mc_wreg(struct radeon_device *rdev, u32 reg, u32 v);
 extern int r420_debugfs_pipes_info_init(struct radeon_device *rdev);
@@ -1147,13 +1257,13 @@ extern void rs690_line_buffer_adjust(struct radeon_device *rdev,
 					struct drm_display_mode *mode2);
 
 /* r600, rv610, rv630, rv620, rv635, rv670, rs780, rs880 */
+extern void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);
 extern bool r600_card_posted(struct radeon_device *rdev);
 extern void r600_cp_stop(struct radeon_device *rdev);
 extern void r600_ring_init(struct radeon_device *rdev, unsigned ring_size);
 extern int r600_cp_resume(struct radeon_device *rdev);
 extern void r600_cp_fini(struct radeon_device *rdev);
 extern int r600_count_pipe_bits(uint32_t val);
-extern int r600_gart_clear_page(struct radeon_device *rdev, int i);
 extern int r600_mc_wait_for_idle(struct radeon_device *rdev);
 extern int r600_pcie_gart_init(struct radeon_device *rdev);
 extern void r600_pcie_gart_tlb_flush(struct radeon_device *rdev);
@@ -1179,7 +1289,8 @@ extern int r600_audio_tmds_index(struct drm_encoder *encoder);
 extern void r600_audio_set_clock(struct drm_encoder *encoder, int clock);
 extern void r600_audio_fini(struct radeon_device *rdev);
 extern void r600_hdmi_init(struct drm_encoder *encoder);
-extern void r600_hdmi_enable(struct drm_encoder *encoder, int enable);
+extern void r600_hdmi_enable(struct drm_encoder *encoder);
+extern void r600_hdmi_disable(struct drm_encoder *encoder);
 extern void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode);
 extern int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder);
 extern void r600_hdmi_update_audio_settings(struct drm_encoder *encoder,
@@ -1189,6 +1300,14 @@ extern void r600_hdmi_update_audio_settings(struct drm_encoder *encoder,
 					    uint8_t status_bits,
 					    uint8_t category_code);
 
+/* evergreen */
+struct evergreen_mc_save {
+	u32 vga_control[6];
+	u32 vga_render_control;
+	u32 vga_hdp_control;
+	u32 crtc_control[6];
+};
+
 #include "radeon_object.h"
 
 #endif
diff --git a/drivers/gpu/drm/radeon/radeon_agp.c b/drivers/gpu/drm/radeon/radeon_agp.c
index c0681a5556dc..c4457791dff1 100644
--- a/drivers/gpu/drm/radeon/radeon_agp.c
+++ b/drivers/gpu/drm/radeon/radeon_agp.c
@@ -237,6 +237,10 @@ int radeon_agp_init(struct radeon_device *rdev)
 
 	rdev->mc.agp_base = rdev->ddev->agp->agp_info.aper_base;
 	rdev->mc.gtt_size = rdev->ddev->agp->agp_info.aper_size << 20;
+	rdev->mc.gtt_start = rdev->mc.agp_base;
+	rdev->mc.gtt_end = rdev->mc.gtt_start + rdev->mc.gtt_size - 1;
+	dev_info(rdev->dev, "GTT: %lluM 0x%08llX - 0x%08llX\n",
+		rdev->mc.gtt_size >> 20, rdev->mc.gtt_start, rdev->mc.gtt_end);
 
 	/* workaround some hw issues */
 	if (rdev->family < CHIP_R200) {
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
new file mode 100644
index 000000000000..a4b4bc9fa322
--- /dev/null
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -0,0 +1,772 @@
+/*
+ * Copyright 2008 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ * Copyright 2009 Jerome Glisse.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Dave Airlie
+ *          Alex Deucher
+ *          Jerome Glisse
+ */
+
+#include <linux/console.h>
+#include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
+#include <drm/radeon_drm.h>
+#include <linux/vgaarb.h>
+#include <linux/vga_switcheroo.h>
+#include "radeon_reg.h"
+#include "radeon.h"
+#include "radeon_asic.h"
+#include "atom.h"
+
+/*
+ * Registers accessors functions.
+ */
+static uint32_t radeon_invalid_rreg(struct radeon_device *rdev, uint32_t reg)
+{
+	DRM_ERROR("Invalid callback to read register 0x%04X\n", reg);
+	BUG_ON(1);
+	return 0;
+}
+
+static void radeon_invalid_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
+{
+	DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n",
+		  reg, v);
+	BUG_ON(1);
+}
+
+static void radeon_register_accessor_init(struct radeon_device *rdev)
+{
+	rdev->mc_rreg = &radeon_invalid_rreg;
+	rdev->mc_wreg = &radeon_invalid_wreg;
+	rdev->pll_rreg = &radeon_invalid_rreg;
+	rdev->pll_wreg = &radeon_invalid_wreg;
+	rdev->pciep_rreg = &radeon_invalid_rreg;
+	rdev->pciep_wreg = &radeon_invalid_wreg;
+
+	/* Don't change order as we are overridding accessor. */
+	if (rdev->family < CHIP_RV515) {
+		rdev->pcie_reg_mask = 0xff;
+	} else {
+		rdev->pcie_reg_mask = 0x7ff;
+	}
+	/* FIXME: not sure here */
+	if (rdev->family <= CHIP_R580) {
+		rdev->pll_rreg = &r100_pll_rreg;
+		rdev->pll_wreg = &r100_pll_wreg;
+	}
+	if (rdev->family >= CHIP_R420) {
+		rdev->mc_rreg = &r420_mc_rreg;
+		rdev->mc_wreg = &r420_mc_wreg;
+	}
+	if (rdev->family >= CHIP_RV515) {
+		rdev->mc_rreg = &rv515_mc_rreg;
+		rdev->mc_wreg = &rv515_mc_wreg;
+	}
+	if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) {
+		rdev->mc_rreg = &rs400_mc_rreg;
+		rdev->mc_wreg = &rs400_mc_wreg;
+	}
+	if (rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) {
+		rdev->mc_rreg = &rs690_mc_rreg;
+		rdev->mc_wreg = &rs690_mc_wreg;
+	}
+	if (rdev->family == CHIP_RS600) {
+		rdev->mc_rreg = &rs600_mc_rreg;
+		rdev->mc_wreg = &rs600_mc_wreg;
+	}
+	if ((rdev->family >= CHIP_R600) && (rdev->family <= CHIP_RV740)) {
+		rdev->pciep_rreg = &r600_pciep_rreg;
+		rdev->pciep_wreg = &r600_pciep_wreg;
+	}
+}
+
+
+/* helper to disable agp */
+void radeon_agp_disable(struct radeon_device *rdev)
+{
+	rdev->flags &= ~RADEON_IS_AGP;
+	if (rdev->family >= CHIP_R600) {
+		DRM_INFO("Forcing AGP to PCIE mode\n");
+		rdev->flags |= RADEON_IS_PCIE;
+	} else if (rdev->family >= CHIP_RV515 ||
+			rdev->family == CHIP_RV380 ||
+			rdev->family == CHIP_RV410 ||
+			rdev->family == CHIP_R423) {
+		DRM_INFO("Forcing AGP to PCIE mode\n");
+		rdev->flags |= RADEON_IS_PCIE;
+		rdev->asic->gart_tlb_flush = &rv370_pcie_gart_tlb_flush;
+		rdev->asic->gart_set_page = &rv370_pcie_gart_set_page;
+	} else {
+		DRM_INFO("Forcing AGP to PCI mode\n");
+		rdev->flags |= RADEON_IS_PCI;
+		rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush;
+		rdev->asic->gart_set_page = &r100_pci_gart_set_page;
+	}
+	rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
+}
+
+/*
+ * ASIC
+ */
+static struct radeon_asic r100_asic = {
+	.init = &r100_init,
+	.fini = &r100_fini,
+	.suspend = &r100_suspend,
+	.resume = &r100_resume,
+	.vga_set_state = &r100_vga_set_state,
+	.gpu_reset = &r100_gpu_reset,
+	.gart_tlb_flush = &r100_pci_gart_tlb_flush,
+	.gart_set_page = &r100_pci_gart_set_page,
+	.cp_commit = &r100_cp_commit,
+	.ring_start = &r100_ring_start,
+	.ring_test = &r100_ring_test,
+	.ring_ib_execute = &r100_ring_ib_execute,
+	.irq_set = &r100_irq_set,
+	.irq_process = &r100_irq_process,
+	.get_vblank_counter = &r100_get_vblank_counter,
+	.fence_ring_emit = &r100_fence_ring_emit,
+	.cs_parse = &r100_cs_parse,
+	.copy_blit = &r100_copy_blit,
+	.copy_dma = NULL,
+	.copy = &r100_copy_blit,
+	.get_engine_clock = &radeon_legacy_get_engine_clock,
+	.set_engine_clock = &radeon_legacy_set_engine_clock,
+	.get_memory_clock = &radeon_legacy_get_memory_clock,
+	.set_memory_clock = NULL,
+	.get_pcie_lanes = NULL,
+	.set_pcie_lanes = NULL,
+	.set_clock_gating = &radeon_legacy_set_clock_gating,
+	.set_surface_reg = r100_set_surface_reg,
+	.clear_surface_reg = r100_clear_surface_reg,
+	.bandwidth_update = &r100_bandwidth_update,
+	.hpd_init = &r100_hpd_init,
+	.hpd_fini = &r100_hpd_fini,
+	.hpd_sense = &r100_hpd_sense,
+	.hpd_set_polarity = &r100_hpd_set_polarity,
+	.ioctl_wait_idle = NULL,
+};
+
+static struct radeon_asic r200_asic = {
+	.init = &r100_init,
+	.fini = &r100_fini,
+	.suspend = &r100_suspend,
+	.resume = &r100_resume,
+	.vga_set_state = &r100_vga_set_state,
+	.gpu_reset = &r100_gpu_reset,
+	.gart_tlb_flush = &r100_pci_gart_tlb_flush,
+	.gart_set_page = &r100_pci_gart_set_page,
+	.cp_commit = &r100_cp_commit,
+	.ring_start = &r100_ring_start,
+	.ring_test = &r100_ring_test,
+	.ring_ib_execute = &r100_ring_ib_execute,
+	.irq_set = &r100_irq_set,
+	.irq_process = &r100_irq_process,
+	.get_vblank_counter = &r100_get_vblank_counter,
+	.fence_ring_emit = &r100_fence_ring_emit,
+	.cs_parse = &r100_cs_parse,
+	.copy_blit = &r100_copy_blit,
+	.copy_dma = &r200_copy_dma,
+	.copy = &r100_copy_blit,
+	.get_engine_clock = &radeon_legacy_get_engine_clock,
+	.set_engine_clock = &radeon_legacy_set_engine_clock,
+	.get_memory_clock = &radeon_legacy_get_memory_clock,
+	.set_memory_clock = NULL,
+	.set_pcie_lanes = NULL,
+	.set_clock_gating = &radeon_legacy_set_clock_gating,
+	.set_surface_reg = r100_set_surface_reg,
+	.clear_surface_reg = r100_clear_surface_reg,
+	.bandwidth_update = &r100_bandwidth_update,
+	.hpd_init = &r100_hpd_init,
+	.hpd_fini = &r100_hpd_fini,
+	.hpd_sense = &r100_hpd_sense,
+	.hpd_set_polarity = &r100_hpd_set_polarity,
+	.ioctl_wait_idle = NULL,
+};
+
+static struct radeon_asic r300_asic = {
+	.init = &r300_init,
+	.fini = &r300_fini,
+	.suspend = &r300_suspend,
+	.resume = &r300_resume,
+	.vga_set_state = &r100_vga_set_state,
+	.gpu_reset = &r300_gpu_reset,
+	.gart_tlb_flush = &r100_pci_gart_tlb_flush,
+	.gart_set_page = &r100_pci_gart_set_page,
+	.cp_commit = &r100_cp_commit,
+	.ring_start = &r300_ring_start,
+	.ring_test = &r100_ring_test,
+	.ring_ib_execute = &r100_ring_ib_execute,
+	.irq_set = &r100_irq_set,
+	.irq_process = &r100_irq_process,
+	.get_vblank_counter = &r100_get_vblank_counter,
+	.fence_ring_emit = &r300_fence_ring_emit,
+	.cs_parse = &r300_cs_parse,
+	.copy_blit = &r100_copy_blit,
+	.copy_dma = &r200_copy_dma,
+	.copy = &r100_copy_blit,
+	.get_engine_clock = &radeon_legacy_get_engine_clock,
+	.set_engine_clock = &radeon_legacy_set_engine_clock,
+	.get_memory_clock = &radeon_legacy_get_memory_clock,
+	.set_memory_clock = NULL,
+	.get_pcie_lanes = &rv370_get_pcie_lanes,
+	.set_pcie_lanes = &rv370_set_pcie_lanes,
+	.set_clock_gating = &radeon_legacy_set_clock_gating,
+	.set_surface_reg = r100_set_surface_reg,
+	.clear_surface_reg = r100_clear_surface_reg,
+	.bandwidth_update = &r100_bandwidth_update,
+	.hpd_init = &r100_hpd_init,
+	.hpd_fini = &r100_hpd_fini,
+	.hpd_sense = &r100_hpd_sense,
+	.hpd_set_polarity = &r100_hpd_set_polarity,
+	.ioctl_wait_idle = NULL,
+};
+
+static struct radeon_asic r300_asic_pcie = {
+	.init = &r300_init,
+	.fini = &r300_fini,
+	.suspend = &r300_suspend,
+	.resume = &r300_resume,
+	.vga_set_state = &r100_vga_set_state,
+	.gpu_reset = &r300_gpu_reset,
+	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
+	.gart_set_page = &rv370_pcie_gart_set_page,
+	.cp_commit = &r100_cp_commit,
+	.ring_start = &r300_ring_start,
+	.ring_test = &r100_ring_test,
+	.ring_ib_execute = &r100_ring_ib_execute,
+	.irq_set = &r100_irq_set,
+	.irq_process = &r100_irq_process,
+	.get_vblank_counter = &r100_get_vblank_counter,
+	.fence_ring_emit = &r300_fence_ring_emit,
+	.cs_parse = &r300_cs_parse,
+	.copy_blit = &r100_copy_blit,
+	.copy_dma = &r200_copy_dma,
+	.copy = &r100_copy_blit,
+	.get_engine_clock = &radeon_legacy_get_engine_clock,
+	.set_engine_clock = &radeon_legacy_set_engine_clock,
+	.get_memory_clock = &radeon_legacy_get_memory_clock,
+	.set_memory_clock = NULL,
+	.set_pcie_lanes = &rv370_set_pcie_lanes,
+	.set_clock_gating = &radeon_legacy_set_clock_gating,
+	.set_surface_reg = r100_set_surface_reg,
+	.clear_surface_reg = r100_clear_surface_reg,
+	.bandwidth_update = &r100_bandwidth_update,
+	.hpd_init = &r100_hpd_init,
+	.hpd_fini = &r100_hpd_fini,
+	.hpd_sense = &r100_hpd_sense,
+	.hpd_set_polarity = &r100_hpd_set_polarity,
+	.ioctl_wait_idle = NULL,
+};
+
+static struct radeon_asic r420_asic = {
+	.init = &r420_init,
+	.fini = &r420_fini,
+	.suspend = &r420_suspend,
+	.resume = &r420_resume,
+	.vga_set_state = &r100_vga_set_state,
+	.gpu_reset = &r300_gpu_reset,
+	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
+	.gart_set_page = &rv370_pcie_gart_set_page,
+	.cp_commit = &r100_cp_commit,
+	.ring_start = &r300_ring_start,
+	.ring_test = &r100_ring_test,
+	.ring_ib_execute = &r100_ring_ib_execute,
+	.irq_set = &r100_irq_set,
+	.irq_process = &r100_irq_process,
+	.get_vblank_counter = &r100_get_vblank_counter,
+	.fence_ring_emit = &r300_fence_ring_emit,
+	.cs_parse = &r300_cs_parse,
+	.copy_blit = &r100_copy_blit,
+	.copy_dma = &r200_copy_dma,
+	.copy = &r100_copy_blit,
+	.get_engine_clock = &radeon_atom_get_engine_clock,
+	.set_engine_clock = &radeon_atom_set_engine_clock,
+	.get_memory_clock = &radeon_atom_get_memory_clock,
+	.set_memory_clock = &radeon_atom_set_memory_clock,
+	.get_pcie_lanes = &rv370_get_pcie_lanes,
+	.set_pcie_lanes = &rv370_set_pcie_lanes,
+	.set_clock_gating = &radeon_atom_set_clock_gating,
+	.set_surface_reg = r100_set_surface_reg,
+	.clear_surface_reg = r100_clear_surface_reg,
+	.bandwidth_update = &r100_bandwidth_update,
+	.hpd_init = &r100_hpd_init,
+	.hpd_fini = &r100_hpd_fini,
+	.hpd_sense = &r100_hpd_sense,
+	.hpd_set_polarity = &r100_hpd_set_polarity,
+	.ioctl_wait_idle = NULL,
+};
+
+static struct radeon_asic rs400_asic = {
+	.init = &rs400_init,
+	.fini = &rs400_fini,
+	.suspend = &rs400_suspend,
+	.resume = &rs400_resume,
+	.vga_set_state = &r100_vga_set_state,
+	.gpu_reset = &r300_gpu_reset,
+	.gart_tlb_flush = &rs400_gart_tlb_flush,
+	.gart_set_page = &rs400_gart_set_page,
+	.cp_commit = &r100_cp_commit,
+	.ring_start = &r300_ring_start,
+	.ring_test = &r100_ring_test,
+	.ring_ib_execute = &r100_ring_ib_execute,
+	.irq_set = &r100_irq_set,
+	.irq_process = &r100_irq_process,
+	.get_vblank_counter = &r100_get_vblank_counter,
+	.fence_ring_emit = &r300_fence_ring_emit,
+	.cs_parse = &r300_cs_parse,
+	.copy_blit = &r100_copy_blit,
+	.copy_dma = &r200_copy_dma,
+	.copy = &r100_copy_blit,
+	.get_engine_clock = &radeon_legacy_get_engine_clock,
+	.set_engine_clock = &radeon_legacy_set_engine_clock,
+	.get_memory_clock = &radeon_legacy_get_memory_clock,
+	.set_memory_clock = NULL,
+	.get_pcie_lanes = NULL,
+	.set_pcie_lanes = NULL,
+	.set_clock_gating = &radeon_legacy_set_clock_gating,
+	.set_surface_reg = r100_set_surface_reg,
+	.clear_surface_reg = r100_clear_surface_reg,
+	.bandwidth_update = &r100_bandwidth_update,
+	.hpd_init = &r100_hpd_init,
+	.hpd_fini = &r100_hpd_fini,
+	.hpd_sense = &r100_hpd_sense,
+	.hpd_set_polarity = &r100_hpd_set_polarity,
+	.ioctl_wait_idle = NULL,
+};
+
+static struct radeon_asic rs600_asic = {
+	.init = &rs600_init,
+	.fini = &rs600_fini,
+	.suspend = &rs600_suspend,
+	.resume = &rs600_resume,
+	.vga_set_state = &r100_vga_set_state,
+	.gpu_reset = &r300_gpu_reset,
+	.gart_tlb_flush = &rs600_gart_tlb_flush,
+	.gart_set_page = &rs600_gart_set_page,
+	.cp_commit = &r100_cp_commit,
+	.ring_start = &r300_ring_start,
+	.ring_test = &r100_ring_test,
+	.ring_ib_execute = &r100_ring_ib_execute,
+	.irq_set = &rs600_irq_set,
+	.irq_process = &rs600_irq_process,
+	.get_vblank_counter = &rs600_get_vblank_counter,
+	.fence_ring_emit = &r300_fence_ring_emit,
+	.cs_parse = &r300_cs_parse,
+	.copy_blit = &r100_copy_blit,
+	.copy_dma = &r200_copy_dma,
+	.copy = &r100_copy_blit,
+	.get_engine_clock = &radeon_atom_get_engine_clock,
+	.set_engine_clock = &radeon_atom_set_engine_clock,
+	.get_memory_clock = &radeon_atom_get_memory_clock,
+	.set_memory_clock = &radeon_atom_set_memory_clock,
+	.get_pcie_lanes = NULL,
+	.set_pcie_lanes = NULL,
+	.set_clock_gating = &radeon_atom_set_clock_gating,
+	.set_surface_reg = r100_set_surface_reg,
+	.clear_surface_reg = r100_clear_surface_reg,
+	.bandwidth_update = &rs600_bandwidth_update,
+	.hpd_init = &rs600_hpd_init,
+	.hpd_fini = &rs600_hpd_fini,
+	.hpd_sense = &rs600_hpd_sense,
+	.hpd_set_polarity = &rs600_hpd_set_polarity,
+	.ioctl_wait_idle = NULL,
+};
+
+static struct radeon_asic rs690_asic = {
+	.init = &rs690_init,
+	.fini = &rs690_fini,
+	.suspend = &rs690_suspend,
+	.resume = &rs690_resume,
+	.vga_set_state = &r100_vga_set_state,
+	.gpu_reset = &r300_gpu_reset,
+	.gart_tlb_flush = &rs400_gart_tlb_flush,
+	.gart_set_page = &rs400_gart_set_page,
+	.cp_commit = &r100_cp_commit,
+	.ring_start = &r300_ring_start,
+	.ring_test = &r100_ring_test,
+	.ring_ib_execute = &r100_ring_ib_execute,
+	.irq_set = &rs600_irq_set,
+	.irq_process = &rs600_irq_process,
+	.get_vblank_counter = &rs600_get_vblank_counter,
+	.fence_ring_emit = &r300_fence_ring_emit,
+	.cs_parse = &r300_cs_parse,
+	.copy_blit = &r100_copy_blit,
+	.copy_dma = &r200_copy_dma,
+	.copy = &r200_copy_dma,
+	.get_engine_clock = &radeon_atom_get_engine_clock,
+	.set_engine_clock = &radeon_atom_set_engine_clock,
+	.get_memory_clock = &radeon_atom_get_memory_clock,
+	.set_memory_clock = &radeon_atom_set_memory_clock,
+	.get_pcie_lanes = NULL,
+	.set_pcie_lanes = NULL,
+	.set_clock_gating = &radeon_atom_set_clock_gating,
+	.set_surface_reg = r100_set_surface_reg,
+	.clear_surface_reg = r100_clear_surface_reg,
+	.bandwidth_update = &rs690_bandwidth_update,
+	.hpd_init = &rs600_hpd_init,
+	.hpd_fini = &rs600_hpd_fini,
+	.hpd_sense = &rs600_hpd_sense,
+	.hpd_set_polarity = &rs600_hpd_set_polarity,
+	.ioctl_wait_idle = NULL,
+};
+
+static struct radeon_asic rv515_asic = {
+	.init = &rv515_init,
+	.fini = &rv515_fini,
+	.suspend = &rv515_suspend,
+	.resume = &rv515_resume,
+	.vga_set_state = &r100_vga_set_state,
+	.gpu_reset = &rv515_gpu_reset,
+	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
+	.gart_set_page = &rv370_pcie_gart_set_page,
+	.cp_commit = &r100_cp_commit,
+	.ring_start = &rv515_ring_start,
+	.ring_test = &r100_ring_test,
+	.ring_ib_execute = &r100_ring_ib_execute,
+	.irq_set = &rs600_irq_set,
+	.irq_process = &rs600_irq_process,
+	.get_vblank_counter = &rs600_get_vblank_counter,
+	.fence_ring_emit = &r300_fence_ring_emit,
+	.cs_parse = &r300_cs_parse,
+	.copy_blit = &r100_copy_blit,
+	.copy_dma = &r200_copy_dma,
+	.copy = &r100_copy_blit,
+	.get_engine_clock = &radeon_atom_get_engine_clock,
+	.set_engine_clock = &radeon_atom_set_engine_clock,
+	.get_memory_clock = &radeon_atom_get_memory_clock,
+	.set_memory_clock = &radeon_atom_set_memory_clock,
+	.get_pcie_lanes = &rv370_get_pcie_lanes,
+	.set_pcie_lanes = &rv370_set_pcie_lanes,
+	.set_clock_gating = &radeon_atom_set_clock_gating,
+	.set_surface_reg = r100_set_surface_reg,
+	.clear_surface_reg = r100_clear_surface_reg,
+	.bandwidth_update = &rv515_bandwidth_update,
+	.hpd_init = &rs600_hpd_init,
+	.hpd_fini = &rs600_hpd_fini,
+	.hpd_sense = &rs600_hpd_sense,
+	.hpd_set_polarity = &rs600_hpd_set_polarity,
+	.ioctl_wait_idle = NULL,
+};
+
+static struct radeon_asic r520_asic = {
+	.init = &r520_init,
+	.fini = &rv515_fini,
+	.suspend = &rv515_suspend,
+	.resume = &r520_resume,
+	.vga_set_state = &r100_vga_set_state,
+	.gpu_reset = &rv515_gpu_reset,
+	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
+	.gart_set_page = &rv370_pcie_gart_set_page,
+	.cp_commit = &r100_cp_commit,
+	.ring_start = &rv515_ring_start,
+	.ring_test = &r100_ring_test,
+	.ring_ib_execute = &r100_ring_ib_execute,
+	.irq_set = &rs600_irq_set,
+	.irq_process = &rs600_irq_process,
+	.get_vblank_counter = &rs600_get_vblank_counter,
+	.fence_ring_emit = &r300_fence_ring_emit,
+	.cs_parse = &r300_cs_parse,
+	.copy_blit = &r100_copy_blit,
+	.copy_dma = &r200_copy_dma,
+	.copy = &r100_copy_blit,
+	.get_engine_clock = &radeon_atom_get_engine_clock,
+	.set_engine_clock = &radeon_atom_set_engine_clock,
+	.get_memory_clock = &radeon_atom_get_memory_clock,
+	.set_memory_clock = &radeon_atom_set_memory_clock,
+	.get_pcie_lanes = &rv370_get_pcie_lanes,
+	.set_pcie_lanes = &rv370_set_pcie_lanes,
+	.set_clock_gating = &radeon_atom_set_clock_gating,
+	.set_surface_reg = r100_set_surface_reg,
+	.clear_surface_reg = r100_clear_surface_reg,
+	.bandwidth_update = &rv515_bandwidth_update,
+	.hpd_init = &rs600_hpd_init,
+	.hpd_fini = &rs600_hpd_fini,
+	.hpd_sense = &rs600_hpd_sense,
+	.hpd_set_polarity = &rs600_hpd_set_polarity,
+	.ioctl_wait_idle = NULL,
+};
+
+static struct radeon_asic r600_asic = {
+	.init = &r600_init,
+	.fini = &r600_fini,
+	.suspend = &r600_suspend,
+	.resume = &r600_resume,
+	.cp_commit = &r600_cp_commit,
+	.vga_set_state = &r600_vga_set_state,
+	.gpu_reset = &r600_gpu_reset,
+	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
+	.gart_set_page = &rs600_gart_set_page,
+	.ring_test = &r600_ring_test,
+	.ring_ib_execute = &r600_ring_ib_execute,
+	.irq_set = &r600_irq_set,
+	.irq_process = &r600_irq_process,
+	.get_vblank_counter = &rs600_get_vblank_counter,
+	.fence_ring_emit = &r600_fence_ring_emit,
+	.cs_parse = &r600_cs_parse,
+	.copy_blit = &r600_copy_blit,
+	.copy_dma = &r600_copy_blit,
+	.copy = &r600_copy_blit,
+	.get_engine_clock = &radeon_atom_get_engine_clock,
+	.set_engine_clock = &radeon_atom_set_engine_clock,
+	.get_memory_clock = &radeon_atom_get_memory_clock,
+	.set_memory_clock = &radeon_atom_set_memory_clock,
+	.get_pcie_lanes = &rv370_get_pcie_lanes,
+	.set_pcie_lanes = NULL,
+	.set_clock_gating = NULL,
+	.set_surface_reg = r600_set_surface_reg,
+	.clear_surface_reg = r600_clear_surface_reg,
+	.bandwidth_update = &rv515_bandwidth_update,
+	.hpd_init = &r600_hpd_init,
+	.hpd_fini = &r600_hpd_fini,
+	.hpd_sense = &r600_hpd_sense,
+	.hpd_set_polarity = &r600_hpd_set_polarity,
+	.ioctl_wait_idle = r600_ioctl_wait_idle,
+};
+
+static struct radeon_asic rs780_asic = {
+	.init = &r600_init,
+	.fini = &r600_fini,
+	.suspend = &r600_suspend,
+	.resume = &r600_resume,
+	.cp_commit = &r600_cp_commit,
+	.vga_set_state = &r600_vga_set_state,
+	.gpu_reset = &r600_gpu_reset,
+	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
+	.gart_set_page = &rs600_gart_set_page,
+	.ring_test = &r600_ring_test,
+	.ring_ib_execute = &r600_ring_ib_execute,
+	.irq_set = &r600_irq_set,
+	.irq_process = &r600_irq_process,
+	.get_vblank_counter = &rs600_get_vblank_counter,
+	.fence_ring_emit = &r600_fence_ring_emit,
+	.cs_parse = &r600_cs_parse,
+	.copy_blit = &r600_copy_blit,
+	.copy_dma = &r600_copy_blit,
+	.copy = &r600_copy_blit,
+	.get_engine_clock = &radeon_atom_get_engine_clock,
+	.set_engine_clock = &radeon_atom_set_engine_clock,
+	.get_memory_clock = NULL,
+	.set_memory_clock = NULL,
+	.get_pcie_lanes = NULL,
+	.set_pcie_lanes = NULL,
+	.set_clock_gating = NULL,
+	.set_surface_reg = r600_set_surface_reg,
+	.clear_surface_reg = r600_clear_surface_reg,
+	.bandwidth_update = &rs690_bandwidth_update,
+	.hpd_init = &r600_hpd_init,
+	.hpd_fini = &r600_hpd_fini,
+	.hpd_sense = &r600_hpd_sense,
+	.hpd_set_polarity = &r600_hpd_set_polarity,
+	.ioctl_wait_idle = r600_ioctl_wait_idle,
+};
+
+static struct radeon_asic rv770_asic = {
+	.init = &rv770_init,
+	.fini = &rv770_fini,
+	.suspend = &rv770_suspend,
+	.resume = &rv770_resume,
+	.cp_commit = &r600_cp_commit,
+	.gpu_reset = &rv770_gpu_reset,
+	.vga_set_state = &r600_vga_set_state,
+	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
+	.gart_set_page = &rs600_gart_set_page,
+	.ring_test = &r600_ring_test,
+	.ring_ib_execute = &r600_ring_ib_execute,
+	.irq_set = &r600_irq_set,
+	.irq_process = &r600_irq_process,
+	.get_vblank_counter = &rs600_get_vblank_counter,
+	.fence_ring_emit = &r600_fence_ring_emit,
+	.cs_parse = &r600_cs_parse,
+	.copy_blit = &r600_copy_blit,
+	.copy_dma = &r600_copy_blit,
+	.copy = &r600_copy_blit,
+	.get_engine_clock = &radeon_atom_get_engine_clock,
+	.set_engine_clock = &radeon_atom_set_engine_clock,
+	.get_memory_clock = &radeon_atom_get_memory_clock,
+	.set_memory_clock = &radeon_atom_set_memory_clock,
+	.get_pcie_lanes = &rv370_get_pcie_lanes,
+	.set_pcie_lanes = NULL,
+	.set_clock_gating = &radeon_atom_set_clock_gating,
+	.set_surface_reg = r600_set_surface_reg,
+	.clear_surface_reg = r600_clear_surface_reg,
+	.bandwidth_update = &rv515_bandwidth_update,
+	.hpd_init = &r600_hpd_init,
+	.hpd_fini = &r600_hpd_fini,
+	.hpd_sense = &r600_hpd_sense,
+	.hpd_set_polarity = &r600_hpd_set_polarity,
+	.ioctl_wait_idle = r600_ioctl_wait_idle,
+};
+
+static struct radeon_asic evergreen_asic = {
+	.init = &evergreen_init,
+	.fini = &evergreen_fini,
+	.suspend = &evergreen_suspend,
+	.resume = &evergreen_resume,
+	.cp_commit = NULL,
+	.gpu_reset = &evergreen_gpu_reset,
+	.vga_set_state = &r600_vga_set_state,
+	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
+	.gart_set_page = &rs600_gart_set_page,
+	.ring_test = NULL,
+	.ring_ib_execute = NULL,
+	.irq_set = NULL,
+	.irq_process = NULL,
+	.get_vblank_counter = NULL,
+	.fence_ring_emit = NULL,
+	.cs_parse = NULL,
+	.copy_blit = NULL,
+	.copy_dma = NULL,
+	.copy = NULL,
+	.get_engine_clock = &radeon_atom_get_engine_clock,
+	.set_engine_clock = &radeon_atom_set_engine_clock,
+	.get_memory_clock = &radeon_atom_get_memory_clock,
+	.set_memory_clock = &radeon_atom_set_memory_clock,
+	.set_pcie_lanes = NULL,
+	.set_clock_gating = NULL,
+	.set_surface_reg = r600_set_surface_reg,
+	.clear_surface_reg = r600_clear_surface_reg,
+	.bandwidth_update = &evergreen_bandwidth_update,
+	.hpd_init = &evergreen_hpd_init,
+	.hpd_fini = &evergreen_hpd_fini,
+	.hpd_sense = &evergreen_hpd_sense,
+	.hpd_set_polarity = &evergreen_hpd_set_polarity,
+};
+
+int radeon_asic_init(struct radeon_device *rdev)
+{
+	radeon_register_accessor_init(rdev);
+	switch (rdev->family) {
+	case CHIP_R100:
+	case CHIP_RV100:
+	case CHIP_RS100:
+	case CHIP_RV200:
+	case CHIP_RS200:
+		rdev->asic = &r100_asic;
+		break;
+	case CHIP_R200:
+	case CHIP_RV250:
+	case CHIP_RS300:
+	case CHIP_RV280:
+		rdev->asic = &r200_asic;
+		break;
+	case CHIP_R300:
+	case CHIP_R350:
+	case CHIP_RV350:
+	case CHIP_RV380:
+		if (rdev->flags & RADEON_IS_PCIE)
+			rdev->asic = &r300_asic_pcie;
+		else
+			rdev->asic = &r300_asic;
+		break;
+	case CHIP_R420:
+	case CHIP_R423:
+	case CHIP_RV410:
+		rdev->asic = &r420_asic;
+		break;
+	case CHIP_RS400:
+	case CHIP_RS480:
+		rdev->asic = &rs400_asic;
+		break;
+	case CHIP_RS600:
+		rdev->asic = &rs600_asic;
+		break;
+	case CHIP_RS690:
+	case CHIP_RS740:
+		rdev->asic = &rs690_asic;
+		break;
+	case CHIP_RV515:
+		rdev->asic = &rv515_asic;
+		break;
+	case CHIP_R520:
+	case CHIP_RV530:
+	case CHIP_RV560:
+	case CHIP_RV570:
+	case CHIP_R580:
+		rdev->asic = &r520_asic;
+		break;
+	case CHIP_R600:
+	case CHIP_RV610:
+	case CHIP_RV630:
+	case CHIP_RV620:
+	case CHIP_RV635:
+	case CHIP_RV670:
+		rdev->asic = &r600_asic;
+		break;
+	case CHIP_RS780:
+	case CHIP_RS880:
+		rdev->asic = &rs780_asic;
+		break;
+	case CHIP_RV770:
+	case CHIP_RV730:
+	case CHIP_RV710:
+	case CHIP_RV740:
+		rdev->asic = &rv770_asic;
+		break;
+	case CHIP_CEDAR:
+	case CHIP_REDWOOD:
+	case CHIP_JUNIPER:
+	case CHIP_CYPRESS:
+	case CHIP_HEMLOCK:
+		rdev->asic = &evergreen_asic;
+		break;
+	default:
+		/* FIXME: not supported yet */
+		return -EINVAL;
+	}
+
+	if (rdev->flags & RADEON_IS_IGP) {
+		rdev->asic->get_memory_clock = NULL;
+		rdev->asic->set_memory_clock = NULL;
+	}
+
+	/* set the number of crtcs */
+	if (rdev->flags & RADEON_SINGLE_CRTC)
+		rdev->num_crtc = 1;
+	else {
+		if (ASIC_IS_DCE4(rdev))
+			rdev->num_crtc = 6;
+		else
+			rdev->num_crtc = 2;
+	}
+
+	return 0;
+}
+
+/*
+ * Wrapper around modesetting bits. Move to radeon_clocks.c?
+ */
+int radeon_clocks_init(struct radeon_device *rdev)
+{
+	int r;
+
+	r = radeon_static_clocks_init(rdev->ddev);
+	if (r) {
+		return r;
+	}
+	DRM_INFO("Clocks initialized !\n");
+	return 0;
+}
+
+void radeon_clocks_fini(struct radeon_device *rdev)
+{
+}
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 05ee1aeac3fd..a0b8280663d1 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -43,12 +43,20 @@ void radeon_atom_set_memory_clock(struct radeon_device *rdev, uint32_t mem_clock
 void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
 
 /*
- * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280
+ * r100,rv100,rs100,rv200,rs200
  */
-extern int r100_init(struct radeon_device *rdev);
-extern void r100_fini(struct radeon_device *rdev);
-extern int r100_suspend(struct radeon_device *rdev);
-extern int r100_resume(struct radeon_device *rdev);
+struct r100_mc_save {
+	u32	GENMO_WT;
+	u32	CRTC_EXT_CNTL;
+	u32	CRTC_GEN_CNTL;
+	u32	CRTC2_GEN_CNTL;
+	u32	CUR_OFFSET;
+	u32	CUR2_OFFSET;
+};
+int r100_init(struct radeon_device *rdev);
+void r100_fini(struct radeon_device *rdev);
+int r100_suspend(struct radeon_device *rdev);
+int r100_resume(struct radeon_device *rdev);
 uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg);
 void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 void r100_vga_set_state(struct radeon_device *rdev, bool state);
@@ -73,7 +81,7 @@ int r100_copy_blit(struct radeon_device *rdev,
 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
 			 uint32_t tiling_flags, uint32_t pitch,
 			 uint32_t offset, uint32_t obj_size);
-int r100_clear_surface_reg(struct radeon_device *rdev, int reg);
+void r100_clear_surface_reg(struct radeon_device *rdev, int reg);
 void r100_bandwidth_update(struct radeon_device *rdev);
 void r100_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib);
 int r100_ring_test(struct radeon_device *rdev);
@@ -82,44 +90,51 @@ void r100_hpd_fini(struct radeon_device *rdev);
 bool r100_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd);
 void r100_hpd_set_polarity(struct radeon_device *rdev,
 			   enum radeon_hpd_id hpd);
+int r100_debugfs_rbbm_init(struct radeon_device *rdev);
+int r100_debugfs_cp_init(struct radeon_device *rdev);
+void r100_cp_disable(struct radeon_device *rdev);
+int r100_cp_init(struct radeon_device *rdev, unsigned ring_size);
+void r100_cp_fini(struct radeon_device *rdev);
+int r100_pci_gart_init(struct radeon_device *rdev);
+void r100_pci_gart_fini(struct radeon_device *rdev);
+int r100_pci_gart_enable(struct radeon_device *rdev);
+void r100_pci_gart_disable(struct radeon_device *rdev);
+int r100_debugfs_mc_info_init(struct radeon_device *rdev);
+int r100_gui_wait_for_idle(struct radeon_device *rdev);
+void r100_ib_fini(struct radeon_device *rdev);
+int r100_ib_init(struct radeon_device *rdev);
+void r100_irq_disable(struct radeon_device *rdev);
+void r100_mc_stop(struct radeon_device *rdev, struct r100_mc_save *save);
+void r100_mc_resume(struct radeon_device *rdev, struct r100_mc_save *save);
+void r100_vram_init_sizes(struct radeon_device *rdev);
+void r100_wb_disable(struct radeon_device *rdev);
+void r100_wb_fini(struct radeon_device *rdev);
+int r100_wb_init(struct radeon_device *rdev);
+void r100_hdp_reset(struct radeon_device *rdev);
+int r100_rb2d_reset(struct radeon_device *rdev);
+int r100_cp_reset(struct radeon_device *rdev);
+void r100_vga_render_disable(struct radeon_device *rdev);
+int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
+					 struct radeon_cs_packet *pkt,
+					 struct radeon_bo *robj);
+int r100_cs_parse_packet0(struct radeon_cs_parser *p,
+			  struct radeon_cs_packet *pkt,
+			  const unsigned *auth, unsigned n,
+			  radeon_packet0_check_t check);
+int r100_cs_packet_parse(struct radeon_cs_parser *p,
+			 struct radeon_cs_packet *pkt,
+			 unsigned idx);
+void r100_enable_bm(struct radeon_device *rdev);
+void r100_set_common_regs(struct radeon_device *rdev);
 
-static struct radeon_asic r100_asic = {
-	.init = &r100_init,
-	.fini = &r100_fini,
-	.suspend = &r100_suspend,
-	.resume = &r100_resume,
-	.vga_set_state = &r100_vga_set_state,
-	.gpu_reset = &r100_gpu_reset,
-	.gart_tlb_flush = &r100_pci_gart_tlb_flush,
-	.gart_set_page = &r100_pci_gart_set_page,
-	.cp_commit = &r100_cp_commit,
-	.ring_start = &r100_ring_start,
-	.ring_test = &r100_ring_test,
-	.ring_ib_execute = &r100_ring_ib_execute,
-	.irq_set = &r100_irq_set,
-	.irq_process = &r100_irq_process,
-	.get_vblank_counter = &r100_get_vblank_counter,
-	.fence_ring_emit = &r100_fence_ring_emit,
-	.cs_parse = &r100_cs_parse,
-	.copy_blit = &r100_copy_blit,
-	.copy_dma = NULL,
-	.copy = &r100_copy_blit,
-	.get_engine_clock = &radeon_legacy_get_engine_clock,
-	.set_engine_clock = &radeon_legacy_set_engine_clock,
-	.get_memory_clock = &radeon_legacy_get_memory_clock,
-	.set_memory_clock = NULL,
-	.set_pcie_lanes = NULL,
-	.set_clock_gating = &radeon_legacy_set_clock_gating,
-	.set_surface_reg = r100_set_surface_reg,
-	.clear_surface_reg = r100_clear_surface_reg,
-	.bandwidth_update = &r100_bandwidth_update,
-	.hpd_init = &r100_hpd_init,
-	.hpd_fini = &r100_hpd_fini,
-	.hpd_sense = &r100_hpd_sense,
-	.hpd_set_polarity = &r100_hpd_set_polarity,
-	.ioctl_wait_idle = NULL,
-};
-
+/*
+ * r200,rv250,rs300,rv280
+ */
+extern int r200_copy_dma(struct radeon_device *rdev,
+			uint64_t src_offset,
+			uint64_t dst_offset,
+			unsigned num_pages,
+			struct radeon_fence *fence);
 
 /*
  * r300,r350,rv350,rv380
@@ -138,47 +153,7 @@ extern int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t
 extern uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg);
 extern void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 extern void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes);
-extern int r300_copy_dma(struct radeon_device *rdev,
-			uint64_t src_offset,
-			uint64_t dst_offset,
-			unsigned num_pages,
-			struct radeon_fence *fence);
-static struct radeon_asic r300_asic = {
-	.init = &r300_init,
-	.fini = &r300_fini,
-	.suspend = &r300_suspend,
-	.resume = &r300_resume,
-	.vga_set_state = &r100_vga_set_state,
-	.gpu_reset = &r300_gpu_reset,
-	.gart_tlb_flush = &r100_pci_gart_tlb_flush,
-	.gart_set_page = &r100_pci_gart_set_page,
-	.cp_commit = &r100_cp_commit,
-	.ring_start = &r300_ring_start,
-	.ring_test = &r100_ring_test,
-	.ring_ib_execute = &r100_ring_ib_execute,
-	.irq_set = &r100_irq_set,
-	.irq_process = &r100_irq_process,
-	.get_vblank_counter = &r100_get_vblank_counter,
-	.fence_ring_emit = &r300_fence_ring_emit,
-	.cs_parse = &r300_cs_parse,
-	.copy_blit = &r100_copy_blit,
-	.copy_dma = &r300_copy_dma,
-	.copy = &r100_copy_blit,
-	.get_engine_clock = &radeon_legacy_get_engine_clock,
-	.set_engine_clock = &radeon_legacy_set_engine_clock,
-	.get_memory_clock = &radeon_legacy_get_memory_clock,
-	.set_memory_clock = NULL,
-	.set_pcie_lanes = &rv370_set_pcie_lanes,
-	.set_clock_gating = &radeon_legacy_set_clock_gating,
-	.set_surface_reg = r100_set_surface_reg,
-	.clear_surface_reg = r100_clear_surface_reg,
-	.bandwidth_update = &r100_bandwidth_update,
-	.hpd_init = &r100_hpd_init,
-	.hpd_fini = &r100_hpd_fini,
-	.hpd_sense = &r100_hpd_sense,
-	.hpd_set_polarity = &r100_hpd_set_polarity,
-	.ioctl_wait_idle = NULL,
-};
+extern int rv370_get_pcie_lanes(struct radeon_device *rdev);
 
 /*
  * r420,r423,rv410
@@ -187,43 +162,6 @@ extern int r420_init(struct radeon_device *rdev);
 extern void r420_fini(struct radeon_device *rdev);
 extern int r420_suspend(struct radeon_device *rdev);
 extern int r420_resume(struct radeon_device *rdev);
-static struct radeon_asic r420_asic = {
-	.init = &r420_init,
-	.fini = &r420_fini,
-	.suspend = &r420_suspend,
-	.resume = &r420_resume,
-	.vga_set_state = &r100_vga_set_state,
-	.gpu_reset = &r300_gpu_reset,
-	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
-	.gart_set_page = &rv370_pcie_gart_set_page,
-	.cp_commit = &r100_cp_commit,
-	.ring_start = &r300_ring_start,
-	.ring_test = &r100_ring_test,
-	.ring_ib_execute = &r100_ring_ib_execute,
-	.irq_set = &r100_irq_set,
-	.irq_process = &r100_irq_process,
-	.get_vblank_counter = &r100_get_vblank_counter,
-	.fence_ring_emit = &r300_fence_ring_emit,
-	.cs_parse = &r300_cs_parse,
-	.copy_blit = &r100_copy_blit,
-	.copy_dma = &r300_copy_dma,
-	.copy = &r100_copy_blit,
-	.get_engine_clock = &radeon_atom_get_engine_clock,
-	.set_engine_clock = &radeon_atom_set_engine_clock,
-	.get_memory_clock = &radeon_atom_get_memory_clock,
-	.set_memory_clock = &radeon_atom_set_memory_clock,
-	.set_pcie_lanes = &rv370_set_pcie_lanes,
-	.set_clock_gating = &radeon_atom_set_clock_gating,
-	.set_surface_reg = r100_set_surface_reg,
-	.clear_surface_reg = r100_clear_surface_reg,
-	.bandwidth_update = &r100_bandwidth_update,
-	.hpd_init = &r100_hpd_init,
-	.hpd_fini = &r100_hpd_fini,
-	.hpd_sense = &r100_hpd_sense,
-	.hpd_set_polarity = &r100_hpd_set_polarity,
-	.ioctl_wait_idle = NULL,
-};
-
 
 /*
  * rs400,rs480
@@ -236,43 +174,6 @@ void rs400_gart_tlb_flush(struct radeon_device *rdev);
 int rs400_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr);
 uint32_t rs400_mc_rreg(struct radeon_device *rdev, uint32_t reg);
 void rs400_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
-static struct radeon_asic rs400_asic = {
-	.init = &rs400_init,
-	.fini = &rs400_fini,
-	.suspend = &rs400_suspend,
-	.resume = &rs400_resume,
-	.vga_set_state = &r100_vga_set_state,
-	.gpu_reset = &r300_gpu_reset,
-	.gart_tlb_flush = &rs400_gart_tlb_flush,
-	.gart_set_page = &rs400_gart_set_page,
-	.cp_commit = &r100_cp_commit,
-	.ring_start = &r300_ring_start,
-	.ring_test = &r100_ring_test,
-	.ring_ib_execute = &r100_ring_ib_execute,
-	.irq_set = &r100_irq_set,
-	.irq_process = &r100_irq_process,
-	.get_vblank_counter = &r100_get_vblank_counter,
-	.fence_ring_emit = &r300_fence_ring_emit,
-	.cs_parse = &r300_cs_parse,
-	.copy_blit = &r100_copy_blit,
-	.copy_dma = &r300_copy_dma,
-	.copy = &r100_copy_blit,
-	.get_engine_clock = &radeon_legacy_get_engine_clock,
-	.set_engine_clock = &radeon_legacy_set_engine_clock,
-	.get_memory_clock = &radeon_legacy_get_memory_clock,
-	.set_memory_clock = NULL,
-	.set_pcie_lanes = NULL,
-	.set_clock_gating = &radeon_legacy_set_clock_gating,
-	.set_surface_reg = r100_set_surface_reg,
-	.clear_surface_reg = r100_clear_surface_reg,
-	.bandwidth_update = &r100_bandwidth_update,
-	.hpd_init = &r100_hpd_init,
-	.hpd_fini = &r100_hpd_fini,
-	.hpd_sense = &r100_hpd_sense,
-	.hpd_set_polarity = &r100_hpd_set_polarity,
-	.ioctl_wait_idle = NULL,
-};
-
 
 /*
  * rs600.
@@ -295,42 +196,6 @@ bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd);
 void rs600_hpd_set_polarity(struct radeon_device *rdev,
 			    enum radeon_hpd_id hpd);
 
-static struct radeon_asic rs600_asic = {
-	.init = &rs600_init,
-	.fini = &rs600_fini,
-	.suspend = &rs600_suspend,
-	.resume = &rs600_resume,
-	.vga_set_state = &r100_vga_set_state,
-	.gpu_reset = &r300_gpu_reset,
-	.gart_tlb_flush = &rs600_gart_tlb_flush,
-	.gart_set_page = &rs600_gart_set_page,
-	.cp_commit = &r100_cp_commit,
-	.ring_start = &r300_ring_start,
-	.ring_test = &r100_ring_test,
-	.ring_ib_execute = &r100_ring_ib_execute,
-	.irq_set = &rs600_irq_set,
-	.irq_process = &rs600_irq_process,
-	.get_vblank_counter = &rs600_get_vblank_counter,
-	.fence_ring_emit = &r300_fence_ring_emit,
-	.cs_parse = &r300_cs_parse,
-	.copy_blit = &r100_copy_blit,
-	.copy_dma = &r300_copy_dma,
-	.copy = &r100_copy_blit,
-	.get_engine_clock = &radeon_atom_get_engine_clock,
-	.set_engine_clock = &radeon_atom_set_engine_clock,
-	.get_memory_clock = &radeon_atom_get_memory_clock,
-	.set_memory_clock = &radeon_atom_set_memory_clock,
-	.set_pcie_lanes = NULL,
-	.set_clock_gating = &radeon_atom_set_clock_gating,
-	.bandwidth_update = &rs600_bandwidth_update,
-	.hpd_init = &rs600_hpd_init,
-	.hpd_fini = &rs600_hpd_fini,
-	.hpd_sense = &rs600_hpd_sense,
-	.hpd_set_polarity = &rs600_hpd_set_polarity,
-	.ioctl_wait_idle = NULL,
-};
-
-
 /*
  * rs690,rs740
  */
@@ -341,43 +206,6 @@ int rs690_suspend(struct radeon_device *rdev);
 uint32_t rs690_mc_rreg(struct radeon_device *rdev, uint32_t reg);
 void rs690_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 void rs690_bandwidth_update(struct radeon_device *rdev);
-static struct radeon_asic rs690_asic = {
-	.init = &rs690_init,
-	.fini = &rs690_fini,
-	.suspend = &rs690_suspend,
-	.resume = &rs690_resume,
-	.vga_set_state = &r100_vga_set_state,
-	.gpu_reset = &r300_gpu_reset,
-	.gart_tlb_flush = &rs400_gart_tlb_flush,
-	.gart_set_page = &rs400_gart_set_page,
-	.cp_commit = &r100_cp_commit,
-	.ring_start = &r300_ring_start,
-	.ring_test = &r100_ring_test,
-	.ring_ib_execute = &r100_ring_ib_execute,
-	.irq_set = &rs600_irq_set,
-	.irq_process = &rs600_irq_process,
-	.get_vblank_counter = &rs600_get_vblank_counter,
-	.fence_ring_emit = &r300_fence_ring_emit,
-	.cs_parse = &r300_cs_parse,
-	.copy_blit = &r100_copy_blit,
-	.copy_dma = &r300_copy_dma,
-	.copy = &r300_copy_dma,
-	.get_engine_clock = &radeon_atom_get_engine_clock,
-	.set_engine_clock = &radeon_atom_set_engine_clock,
-	.get_memory_clock = &radeon_atom_get_memory_clock,
-	.set_memory_clock = &radeon_atom_set_memory_clock,
-	.set_pcie_lanes = NULL,
-	.set_clock_gating = &radeon_atom_set_clock_gating,
-	.set_surface_reg = r100_set_surface_reg,
-	.clear_surface_reg = r100_clear_surface_reg,
-	.bandwidth_update = &rs690_bandwidth_update,
-	.hpd_init = &rs600_hpd_init,
-	.hpd_fini = &rs600_hpd_fini,
-	.hpd_sense = &rs600_hpd_sense,
-	.hpd_set_polarity = &rs600_hpd_set_polarity,
-	.ioctl_wait_idle = NULL,
-};
-
 
 /*
  * rv515
@@ -393,85 +221,12 @@ void rv515_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v);
 void rv515_bandwidth_update(struct radeon_device *rdev);
 int rv515_resume(struct radeon_device *rdev);
 int rv515_suspend(struct radeon_device *rdev);
-static struct radeon_asic rv515_asic = {
-	.init = &rv515_init,
-	.fini = &rv515_fini,
-	.suspend = &rv515_suspend,
-	.resume = &rv515_resume,
-	.vga_set_state = &r100_vga_set_state,
-	.gpu_reset = &rv515_gpu_reset,
-	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
-	.gart_set_page = &rv370_pcie_gart_set_page,
-	.cp_commit = &r100_cp_commit,
-	.ring_start = &rv515_ring_start,
-	.ring_test = &r100_ring_test,
-	.ring_ib_execute = &r100_ring_ib_execute,
-	.irq_set = &rs600_irq_set,
-	.irq_process = &rs600_irq_process,
-	.get_vblank_counter = &rs600_get_vblank_counter,
-	.fence_ring_emit = &r300_fence_ring_emit,
-	.cs_parse = &r300_cs_parse,
-	.copy_blit = &r100_copy_blit,
-	.copy_dma = &r300_copy_dma,
-	.copy = &r100_copy_blit,
-	.get_engine_clock = &radeon_atom_get_engine_clock,
-	.set_engine_clock = &radeon_atom_set_engine_clock,
-	.get_memory_clock = &radeon_atom_get_memory_clock,
-	.set_memory_clock = &radeon_atom_set_memory_clock,
-	.set_pcie_lanes = &rv370_set_pcie_lanes,
-	.set_clock_gating = &radeon_atom_set_clock_gating,
-	.set_surface_reg = r100_set_surface_reg,
-	.clear_surface_reg = r100_clear_surface_reg,
-	.bandwidth_update = &rv515_bandwidth_update,
-	.hpd_init = &rs600_hpd_init,
-	.hpd_fini = &rs600_hpd_fini,
-	.hpd_sense = &rs600_hpd_sense,
-	.hpd_set_polarity = &rs600_hpd_set_polarity,
-	.ioctl_wait_idle = NULL,
-};
-
 
 /*
  * r520,rv530,rv560,rv570,r580
  */
 int r520_init(struct radeon_device *rdev);
 int r520_resume(struct radeon_device *rdev);
-static struct radeon_asic r520_asic = {
-	.init = &r520_init,
-	.fini = &rv515_fini,
-	.suspend = &rv515_suspend,
-	.resume = &r520_resume,
-	.vga_set_state = &r100_vga_set_state,
-	.gpu_reset = &rv515_gpu_reset,
-	.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
-	.gart_set_page = &rv370_pcie_gart_set_page,
-	.cp_commit = &r100_cp_commit,
-	.ring_start = &rv515_ring_start,
-	.ring_test = &r100_ring_test,
-	.ring_ib_execute = &r100_ring_ib_execute,
-	.irq_set = &rs600_irq_set,
-	.irq_process = &rs600_irq_process,
-	.get_vblank_counter = &rs600_get_vblank_counter,
-	.fence_ring_emit = &r300_fence_ring_emit,
-	.cs_parse = &r300_cs_parse,
-	.copy_blit = &r100_copy_blit,
-	.copy_dma = &r300_copy_dma,
-	.copy = &r100_copy_blit,
-	.get_engine_clock = &radeon_atom_get_engine_clock,
-	.set_engine_clock = &radeon_atom_set_engine_clock,
-	.get_memory_clock = &radeon_atom_get_memory_clock,
-	.set_memory_clock = &radeon_atom_set_memory_clock,
-	.set_pcie_lanes = &rv370_set_pcie_lanes,
-	.set_clock_gating = &radeon_atom_set_clock_gating,
-	.set_surface_reg = r100_set_surface_reg,
-	.clear_surface_reg = r100_clear_surface_reg,
-	.bandwidth_update = &rv515_bandwidth_update,
-	.hpd_init = &rs600_hpd_init,
-	.hpd_fini = &rs600_hpd_fini,
-	.hpd_sense = &rs600_hpd_sense,
-	.hpd_set_polarity = &rs600_hpd_set_polarity,
-	.ioctl_wait_idle = NULL,
-};
 
 /*
  * r600,rv610,rv630,rv620,rv635,rv670,rs780,rs880
@@ -501,7 +256,7 @@ int r600_gpu_reset(struct radeon_device *rdev);
 int r600_set_surface_reg(struct radeon_device *rdev, int reg,
 			 uint32_t tiling_flags, uint32_t pitch,
 			 uint32_t offset, uint32_t obj_size);
-int r600_clear_surface_reg(struct radeon_device *rdev, int reg);
+void r600_clear_surface_reg(struct radeon_device *rdev, int reg);
 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib);
 int r600_ring_test(struct radeon_device *rdev);
 int r600_copy_blit(struct radeon_device *rdev,
@@ -514,42 +269,6 @@ void r600_hpd_set_polarity(struct radeon_device *rdev,
 			   enum radeon_hpd_id hpd);
 extern void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo);
 
-static struct radeon_asic r600_asic = {
-	.init = &r600_init,
-	.fini = &r600_fini,
-	.suspend = &r600_suspend,
-	.resume = &r600_resume,
-	.cp_commit = &r600_cp_commit,
-	.vga_set_state = &r600_vga_set_state,
-	.gpu_reset = &r600_gpu_reset,
-	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
-	.gart_set_page = &rs600_gart_set_page,
-	.ring_test = &r600_ring_test,
-	.ring_ib_execute = &r600_ring_ib_execute,
-	.irq_set = &r600_irq_set,
-	.irq_process = &r600_irq_process,
-	.get_vblank_counter = &rs600_get_vblank_counter,
-	.fence_ring_emit = &r600_fence_ring_emit,
-	.cs_parse = &r600_cs_parse,
-	.copy_blit = &r600_copy_blit,
-	.copy_dma = &r600_copy_blit,
-	.copy = &r600_copy_blit,
-	.get_engine_clock = &radeon_atom_get_engine_clock,
-	.set_engine_clock = &radeon_atom_set_engine_clock,
-	.get_memory_clock = &radeon_atom_get_memory_clock,
-	.set_memory_clock = &radeon_atom_set_memory_clock,
-	.set_pcie_lanes = NULL,
-	.set_clock_gating = &radeon_atom_set_clock_gating,
-	.set_surface_reg = r600_set_surface_reg,
-	.clear_surface_reg = r600_clear_surface_reg,
-	.bandwidth_update = &rv515_bandwidth_update,
-	.hpd_init = &r600_hpd_init,
-	.hpd_fini = &r600_hpd_fini,
-	.hpd_sense = &r600_hpd_sense,
-	.hpd_set_polarity = &r600_hpd_set_polarity,
-	.ioctl_wait_idle = r600_ioctl_wait_idle,
-};
-
 /*
  * rv770,rv730,rv710,rv740
  */
@@ -559,40 +278,18 @@ int rv770_suspend(struct radeon_device *rdev);
 int rv770_resume(struct radeon_device *rdev);
 int rv770_gpu_reset(struct radeon_device *rdev);
 
-static struct radeon_asic rv770_asic = {
-	.init = &rv770_init,
-	.fini = &rv770_fini,
-	.suspend = &rv770_suspend,
-	.resume = &rv770_resume,
-	.cp_commit = &r600_cp_commit,
-	.gpu_reset = &rv770_gpu_reset,
-	.vga_set_state = &r600_vga_set_state,
-	.gart_tlb_flush = &r600_pcie_gart_tlb_flush,
-	.gart_set_page = &rs600_gart_set_page,
-	.ring_test = &r600_ring_test,
-	.ring_ib_execute = &r600_ring_ib_execute,
-	.irq_set = &r600_irq_set,
-	.irq_process = &r600_irq_process,
-	.get_vblank_counter = &rs600_get_vblank_counter,
-	.fence_ring_emit = &r600_fence_ring_emit,
-	.cs_parse = &r600_cs_parse,
-	.copy_blit = &r600_copy_blit,
-	.copy_dma = &r600_copy_blit,
-	.copy = &r600_copy_blit,
-	.get_engine_clock = &radeon_atom_get_engine_clock,
-	.set_engine_clock = &radeon_atom_set_engine_clock,
-	.get_memory_clock = &radeon_atom_get_memory_clock,
-	.set_memory_clock = &radeon_atom_set_memory_clock,
-	.set_pcie_lanes = NULL,
-	.set_clock_gating = &radeon_atom_set_clock_gating,
-	.set_surface_reg = r600_set_surface_reg,
-	.clear_surface_reg = r600_clear_surface_reg,
-	.bandwidth_update = &rv515_bandwidth_update,
-	.hpd_init = &r600_hpd_init,
-	.hpd_fini = &r600_hpd_fini,
-	.hpd_sense = &r600_hpd_sense,
-	.hpd_set_polarity = &r600_hpd_set_polarity,
-	.ioctl_wait_idle = r600_ioctl_wait_idle,
-};
-
+/*
+ * evergreen
+ */
+int evergreen_init(struct radeon_device *rdev);
+void evergreen_fini(struct radeon_device *rdev);
+int evergreen_suspend(struct radeon_device *rdev);
+int evergreen_resume(struct radeon_device *rdev);
+int evergreen_gpu_reset(struct radeon_device *rdev);
+void evergreen_bandwidth_update(struct radeon_device *rdev);
+void evergreen_hpd_init(struct radeon_device *rdev);
+void evergreen_hpd_fini(struct radeon_device *rdev);
+bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd);
+void evergreen_hpd_set_polarity(struct radeon_device *rdev,
+				enum radeon_hpd_id hpd);
 #endif
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 4d8831548a5f..1fff95505cf5 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -75,46 +75,45 @@ static inline struct radeon_i2c_bus_rec radeon_lookup_i2c_gpio(struct radeon_dev
 	memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
 	i2c.valid = false;
 
-	atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset);
-
-	i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
-
-
-	for (i = 0; i < ATOM_MAX_SUPPORTED_DEVICE; i++) {
-		gpio = &i2c_info->asGPIO_Info[i];
-
-		if (gpio->sucI2cId.ucAccess == id) {
-			i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
-			i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
-			i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
-			i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
-			i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
-			i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
-			i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
-			i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
-			i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
-			i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
-			i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
-			i2c.en_data_mask = (1 << gpio->ucDataEnShift);
-			i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
-			i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
-			i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
-			i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
-
-			if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
-				i2c.hw_capable = true;
-			else
-				i2c.hw_capable = false;
-
-			if (gpio->sucI2cId.ucAccess == 0xa0)
-				i2c.mm_i2c = true;
-			else
-				i2c.mm_i2c = false;
-
-			i2c.i2c_id = gpio->sucI2cId.ucAccess;
-
-			i2c.valid = true;
-			break;
+	if (atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
+		i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
+
+		for (i = 0; i < ATOM_MAX_SUPPORTED_DEVICE; i++) {
+			gpio = &i2c_info->asGPIO_Info[i];
+
+			if (gpio->sucI2cId.ucAccess == id) {
+				i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
+				i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
+				i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
+				i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
+				i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
+				i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
+				i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
+				i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
+				i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
+				i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
+				i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
+				i2c.en_data_mask = (1 << gpio->ucDataEnShift);
+				i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
+				i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
+				i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
+				i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
+
+				if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
+					i2c.hw_capable = true;
+				else
+					i2c.hw_capable = false;
+
+				if (gpio->sucI2cId.ucAccess == 0xa0)
+					i2c.mm_i2c = true;
+				else
+					i2c.mm_i2c = false;
+
+				i2c.i2c_id = gpio->sucI2cId.ucAccess;
+
+				i2c.valid = true;
+				break;
+			}
 		}
 	}
 
@@ -135,20 +134,21 @@ static inline struct radeon_gpio_rec radeon_lookup_gpio(struct radeon_device *rd
 	memset(&gpio, 0, sizeof(struct radeon_gpio_rec));
 	gpio.valid = false;
 
-	atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset);
+	if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
+		gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset);
 
-	gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset);
+		num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
+			sizeof(ATOM_GPIO_PIN_ASSIGNMENT);
 
-	num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) / sizeof(ATOM_GPIO_PIN_ASSIGNMENT);
-
-	for (i = 0; i < num_indices; i++) {
-		pin = &gpio_info->asGPIO_Pin[i];
-		if (id == pin->ucGPIO_ID) {
-			gpio.id = pin->ucGPIO_ID;
-			gpio.reg = pin->usGpioPin_AIndex * 4;
-			gpio.mask = (1 << pin->ucGpioPinBitShift);
-			gpio.valid = true;
-			break;
+		for (i = 0; i < num_indices; i++) {
+			pin = &gpio_info->asGPIO_Pin[i];
+			if (id == pin->ucGPIO_ID) {
+				gpio.id = pin->ucGPIO_ID;
+				gpio.reg = pin->usGpioPin_AIndex * 4;
+				gpio.mask = (1 << pin->ucGpioPinBitShift);
+				gpio.valid = true;
+				break;
+			}
 		}
 	}
 
@@ -159,8 +159,15 @@ static struct radeon_hpd radeon_atom_get_hpd_info_from_gpio(struct radeon_device
 							    struct radeon_gpio_rec *gpio)
 {
 	struct radeon_hpd hpd;
+	u32 reg;
+
+	if (ASIC_IS_DCE4(rdev))
+		reg = EVERGREEN_DC_GPIO_HPD_A;
+	else
+		reg = AVIVO_DC_GPIO_HPD_A;
+
 	hpd.gpio = *gpio;
-	if (gpio->reg == AVIVO_DC_GPIO_HPD_A) {
+	if (gpio->reg == reg) {
 		switch(gpio->mask) {
 		case (1 << 0):
 			hpd.hpd = RADEON_HPD_1;
@@ -257,6 +264,8 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev,
 		if ((supported_device == ATOM_DEVICE_CRT1_SUPPORT) ||
 		    (supported_device == ATOM_DEVICE_DFP2_SUPPORT))
 			return false;
+		if (supported_device == ATOM_DEVICE_CRT2_SUPPORT)
+			*line_mux = 0x90;
 	}
 
 	/* ASUS HD 3600 XT board lists the DVI port as HDMI */
@@ -388,9 +397,7 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
 	struct radeon_gpio_rec gpio;
 	struct radeon_hpd hpd;
 
-	atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset);
-
-	if (data_offset == 0)
+	if (!atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
 		return false;
 
 	if (crev < 2)
@@ -442,37 +449,43 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
 				    GetIndexIntoMasterTable(DATA,
 							    IntegratedSystemInfo);
 
-				atom_parse_data_header(ctx, index, &size, &frev,
-						       &crev, &igp_offset);
-
-				if (crev >= 2) {
-					igp_obj =
-					    (ATOM_INTEGRATED_SYSTEM_INFO_V2
-					     *) (ctx->bios + igp_offset);
-
-					if (igp_obj) {
-						uint32_t slot_config, ct;
-
-						if (con_obj_num == 1)
-							slot_config =
-							    igp_obj->
-							    ulDDISlot1Config;
-						else
-							slot_config =
-							    igp_obj->
-							    ulDDISlot2Config;
-
-						ct = (slot_config >> 16) & 0xff;
-						connector_type =
-						    object_connector_convert
-						    [ct];
-						connector_object_id = ct;
-						igp_lane_info =
-						    slot_config & 0xffff;
+				if (atom_parse_data_header(ctx, index, &size, &frev,
+							   &crev, &igp_offset)) {
+
+					if (crev >= 2) {
+						igp_obj =
+							(ATOM_INTEGRATED_SYSTEM_INFO_V2
+							 *) (ctx->bios + igp_offset);
+
+						if (igp_obj) {
+							uint32_t slot_config, ct;
+
+							if (con_obj_num == 1)
+								slot_config =
+									igp_obj->
+									ulDDISlot1Config;
+							else
+								slot_config =
+									igp_obj->
+									ulDDISlot2Config;
+
+							ct = (slot_config >> 16) & 0xff;
+							connector_type =
+								object_connector_convert
+								[ct];
+							connector_object_id = ct;
+							igp_lane_info =
+								slot_config & 0xffff;
+						} else
+							continue;
 					} else
 						continue;
-				} else
-					continue;
+				} else {
+					igp_lane_info = 0;
+					connector_type =
+						object_connector_convert[con_obj_id];
+					connector_object_id = con_obj_id;
+				}
 			} else {
 				igp_lane_info = 0;
 				connector_type =
@@ -574,6 +587,9 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev)
 				ddc_bus.valid = false;
 			}
 
+			/* needed for aux chan transactions */
+			ddc_bus.hpd_id = hpd.hpd ? (hpd.hpd - 1) : 0;
+
 			conn_id = le16_to_cpu(path->usConnObjectId);
 
 			if (!radeon_atom_apply_quirks
@@ -617,20 +633,23 @@ static uint16_t atombios_get_connector_object_id(struct drm_device *dev,
 		uint8_t frev, crev;
 		ATOM_XTMDS_INFO *xtmds;
 
-		atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset);
-		xtmds = (ATOM_XTMDS_INFO *)(ctx->bios + data_offset);
+		if (atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset)) {
+			xtmds = (ATOM_XTMDS_INFO *)(ctx->bios + data_offset);
 
-		if (xtmds->ucSupportedLink & ATOM_XTMDS_SUPPORTED_DUALLINK) {
-			if (connector_type == DRM_MODE_CONNECTOR_DVII)
-				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
-			else
-				return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
-		} else {
-			if (connector_type == DRM_MODE_CONNECTOR_DVII)
-				return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
-			else
-				return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
-		}
+			if (xtmds->ucSupportedLink & ATOM_XTMDS_SUPPORTED_DUALLINK) {
+				if (connector_type == DRM_MODE_CONNECTOR_DVII)
+					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
+				else
+					return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
+			} else {
+				if (connector_type == DRM_MODE_CONNECTOR_DVII)
+					return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
+				else
+					return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
+			}
+		} else
+			return supported_devices_connector_object_id_convert
+				[connector_type];
 	} else {
 		return supported_devices_connector_object_id_convert
 			[connector_type];
@@ -662,7 +681,8 @@ bool radeon_get_atom_connector_info_from_supported_devices_table(struct
 	int i, j, max_device;
 	struct bios_connector bios_connectors[ATOM_MAX_SUPPORTED_DEVICE];
 
-	atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset);
+	if (!atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
+		return false;
 
 	supported_devices =
 	    (union atom_supported_devices *)(ctx->bios + data_offset);
@@ -838,6 +858,7 @@ union firmware_info {
 	ATOM_FIRMWARE_INFO_V1_2 info_12;
 	ATOM_FIRMWARE_INFO_V1_3 info_13;
 	ATOM_FIRMWARE_INFO_V1_4 info_14;
+	ATOM_FIRMWARE_INFO_V2_1 info_21;
 };
 
 bool radeon_atom_get_clock_info(struct drm_device *dev)
@@ -849,18 +870,16 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
 	uint8_t frev, crev;
 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
+	struct radeon_pll *dcpll = &rdev->clock.dcpll;
 	struct radeon_pll *spll = &rdev->clock.spll;
 	struct radeon_pll *mpll = &rdev->clock.mpll;
 	uint16_t data_offset;
 
-	atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
-			       &crev, &data_offset);
-
-	firmware_info =
-	    (union firmware_info *)(mode_info->atom_context->bios +
-				    data_offset);
-
-	if (firmware_info) {
+	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+				   &frev, &crev, &data_offset)) {
+		firmware_info =
+			(union firmware_info *)(mode_info->atom_context->bios +
+						data_offset);
 		/* pixel clocks */
 		p1pll->reference_freq =
 		    le16_to_cpu(firmware_info->info.usReferenceClock);
@@ -875,6 +894,20 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
 		p1pll->pll_out_max =
 		    le32_to_cpu(firmware_info->info.ulMaxPixelClockPLL_Output);
 
+		if (crev >= 4) {
+			p1pll->lcd_pll_out_min =
+				le16_to_cpu(firmware_info->info_14.usLcdMinPixelClockPLL_Output) * 100;
+			if (p1pll->lcd_pll_out_min == 0)
+				p1pll->lcd_pll_out_min = p1pll->pll_out_min;
+			p1pll->lcd_pll_out_max =
+				le16_to_cpu(firmware_info->info_14.usLcdMaxPixelClockPLL_Output) * 100;
+			if (p1pll->lcd_pll_out_max == 0)
+				p1pll->lcd_pll_out_max = p1pll->pll_out_max;
+		} else {
+			p1pll->lcd_pll_out_min = p1pll->pll_out_min;
+			p1pll->lcd_pll_out_max = p1pll->pll_out_max;
+		}
+
 		if (p1pll->pll_out_min == 0) {
 			if (ASIC_IS_AVIVO(rdev))
 				p1pll->pll_out_min = 64800;
@@ -951,8 +984,19 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
 		rdev->clock.default_mclk =
 		    le32_to_cpu(firmware_info->info.ulDefaultMemoryClock);
 
+		if (ASIC_IS_DCE4(rdev)) {
+			rdev->clock.default_dispclk =
+				le32_to_cpu(firmware_info->info_21.ulDefaultDispEngineClkFreq);
+			if (rdev->clock.default_dispclk == 0)
+				rdev->clock.default_dispclk = 60000; /* 600 Mhz */
+			rdev->clock.dp_extclk =
+				le16_to_cpu(firmware_info->info_21.usUniphyDPModeExtClkFreq);
+		}
+		*dcpll = *p1pll;
+
 		return true;
 	}
+
 	return false;
 }
 
@@ -969,13 +1013,10 @@ bool radeon_atombios_sideport_present(struct radeon_device *rdev)
 	u8 frev, crev;
 	u16 data_offset;
 
-	atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
-			       &crev, &data_offset);
-
-	igp_info = (union igp_info *)(mode_info->atom_context->bios +
+	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+				   &frev, &crev, &data_offset)) {
+		igp_info = (union igp_info *)(mode_info->atom_context->bios +
 				      data_offset);
-
-	if (igp_info) {
 		switch (crev) {
 		case 1:
 			if (igp_info->info.ucMemoryType & 0xf0)
@@ -1006,14 +1047,12 @@ bool radeon_atombios_get_tmds_info(struct radeon_encoder *encoder,
 	uint16_t maxfreq;
 	int i;
 
-	atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
-			       &crev, &data_offset);
-
-	tmds_info =
-	    (struct _ATOM_TMDS_INFO *)(mode_info->atom_context->bios +
-				       data_offset);
+	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+				   &frev, &crev, &data_offset)) {
+		tmds_info =
+			(struct _ATOM_TMDS_INFO *)(mode_info->atom_context->bios +
+						   data_offset);
 
-	if (tmds_info) {
 		maxfreq = le16_to_cpu(tmds_info->usMaxFrequency);
 		for (i = 0; i < 4; i++) {
 			tmds->tmds_pll[i].freq =
@@ -1062,13 +1101,11 @@ static struct radeon_atom_ss *radeon_atombios_get_ss_info(struct
 	if (id > ATOM_MAX_SS_ENTRY)
 		return NULL;
 
-	atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
-			       &crev, &data_offset);
+	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+				   &frev, &crev, &data_offset)) {
+		ss_info =
+			(struct _ATOM_SPREAD_SPECTRUM_INFO *)(mode_info->atom_context->bios + data_offset);
 
-	ss_info =
-	    (struct _ATOM_SPREAD_SPECTRUM_INFO *)(mode_info->atom_context->bios + data_offset);
-
-	if (ss_info) {
 		ss =
 		    kzalloc(sizeof(struct radeon_atom_ss), GFP_KERNEL);
 
@@ -1109,13 +1146,10 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
 	uint8_t frev, crev;
 	struct radeon_encoder_atom_dig *lvds = NULL;
 
-	atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
-			       &crev, &data_offset);
-
-	lvds_info =
-	    (union lvds_info *)(mode_info->atom_context->bios + data_offset);
-
-	if (lvds_info) {
+	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+				   &frev, &crev, &data_offset)) {
+		lvds_info =
+			(union lvds_info *)(mode_info->atom_context->bios + data_offset);
 		lvds =
 		    kzalloc(sizeof(struct radeon_encoder_atom_dig), GFP_KERNEL);
 
@@ -1161,6 +1195,18 @@ struct radeon_encoder_atom_dig *radeon_atombios_get_lvds_info(struct
 
 		lvds->ss = radeon_atombios_get_ss_info(encoder, lvds_info->info.ucSS_Id);
 
+		if (ASIC_IS_AVIVO(rdev)) {
+			if (radeon_new_pll == 0)
+				lvds->pll_algo = PLL_ALGO_LEGACY;
+			else
+				lvds->pll_algo = PLL_ALGO_NEW;
+		} else {
+			if (radeon_new_pll == 1)
+				lvds->pll_algo = PLL_ALGO_NEW;
+			else
+				lvds->pll_algo = PLL_ALGO_LEGACY;
+		}
+
 		encoder->native_mode = lvds->native_mode;
 	}
 	return lvds;
@@ -1179,11 +1225,11 @@ radeon_atombios_get_primary_dac_info(struct radeon_encoder *encoder)
 	uint8_t bg, dac;
 	struct radeon_encoder_primary_dac *p_dac = NULL;
 
-	atom_parse_data_header(mode_info->atom_context, index, NULL, &frev, &crev, &data_offset);
+	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+				   &frev, &crev, &data_offset)) {
+		dac_info = (struct _COMPASSIONATE_DATA *)
+			(mode_info->atom_context->bios + data_offset);
 
-	dac_info = (struct _COMPASSIONATE_DATA *)(mode_info->atom_context->bios + data_offset);
-
-	if (dac_info) {
 		p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac), GFP_KERNEL);
 
 		if (!p_dac)
@@ -1208,7 +1254,9 @@ bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
 	u8 frev, crev;
 	u16 data_offset, misc;
 
-	atom_parse_data_header(mode_info->atom_context, data_index, NULL, &frev, &crev, &data_offset);
+	if (!atom_parse_data_header(mode_info->atom_context, data_index, NULL,
+				    &frev, &crev, &data_offset))
+		return false;
 
 	switch (crev) {
 	case 1:
@@ -1300,47 +1348,50 @@ radeon_atombios_get_tv_info(struct radeon_device *rdev)
 	struct _ATOM_ANALOG_TV_INFO *tv_info;
 	enum radeon_tv_std tv_std = TV_STD_NTSC;
 
-	atom_parse_data_header(mode_info->atom_context, index, NULL, &frev, &crev, &data_offset);
+	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+				   &frev, &crev, &data_offset)) {
 
-	tv_info = (struct _ATOM_ANALOG_TV_INFO *)(mode_info->atom_context->bios + data_offset);
+		tv_info = (struct _ATOM_ANALOG_TV_INFO *)
+			(mode_info->atom_context->bios + data_offset);
 
-	switch (tv_info->ucTV_BootUpDefaultStandard) {
-	case ATOM_TV_NTSC:
-		tv_std = TV_STD_NTSC;
-		DRM_INFO("Default TV standard: NTSC\n");
-		break;
-	case ATOM_TV_NTSCJ:
-		tv_std = TV_STD_NTSC_J;
-		DRM_INFO("Default TV standard: NTSC-J\n");
-		break;
-	case ATOM_TV_PAL:
-		tv_std = TV_STD_PAL;
-		DRM_INFO("Default TV standard: PAL\n");
-		break;
-	case ATOM_TV_PALM:
-		tv_std = TV_STD_PAL_M;
-		DRM_INFO("Default TV standard: PAL-M\n");
-		break;
-	case ATOM_TV_PALN:
-		tv_std = TV_STD_PAL_N;
-		DRM_INFO("Default TV standard: PAL-N\n");
-		break;
-	case ATOM_TV_PALCN:
-		tv_std = TV_STD_PAL_CN;
-		DRM_INFO("Default TV standard: PAL-CN\n");
-		break;
-	case ATOM_TV_PAL60:
-		tv_std = TV_STD_PAL_60;
-		DRM_INFO("Default TV standard: PAL-60\n");
-		break;
-	case ATOM_TV_SECAM:
-		tv_std = TV_STD_SECAM;
-		DRM_INFO("Default TV standard: SECAM\n");
-		break;
-	default:
-		tv_std = TV_STD_NTSC;
-		DRM_INFO("Unknown TV standard; defaulting to NTSC\n");
-		break;
+		switch (tv_info->ucTV_BootUpDefaultStandard) {
+		case ATOM_TV_NTSC:
+			tv_std = TV_STD_NTSC;
+			DRM_INFO("Default TV standard: NTSC\n");
+			break;
+		case ATOM_TV_NTSCJ:
+			tv_std = TV_STD_NTSC_J;
+			DRM_INFO("Default TV standard: NTSC-J\n");
+			break;
+		case ATOM_TV_PAL:
+			tv_std = TV_STD_PAL;
+			DRM_INFO("Default TV standard: PAL\n");
+			break;
+		case ATOM_TV_PALM:
+			tv_std = TV_STD_PAL_M;
+			DRM_INFO("Default TV standard: PAL-M\n");
+			break;
+		case ATOM_TV_PALN:
+			tv_std = TV_STD_PAL_N;
+			DRM_INFO("Default TV standard: PAL-N\n");
+			break;
+		case ATOM_TV_PALCN:
+			tv_std = TV_STD_PAL_CN;
+			DRM_INFO("Default TV standard: PAL-CN\n");
+			break;
+		case ATOM_TV_PAL60:
+			tv_std = TV_STD_PAL_60;
+			DRM_INFO("Default TV standard: PAL-60\n");
+			break;
+		case ATOM_TV_SECAM:
+			tv_std = TV_STD_SECAM;
+			DRM_INFO("Default TV standard: SECAM\n");
+			break;
+		default:
+			tv_std = TV_STD_NTSC;
+			DRM_INFO("Unknown TV standard; defaulting to NTSC\n");
+			break;
+		}
 	}
 	return tv_std;
 }
@@ -1358,11 +1409,12 @@ radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder)
 	uint8_t bg, dac;
 	struct radeon_encoder_tv_dac *tv_dac = NULL;
 
-	atom_parse_data_header(mode_info->atom_context, index, NULL, &frev, &crev, &data_offset);
+	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+				   &frev, &crev, &data_offset)) {
 
-	dac_info = (struct _COMPASSIONATE_DATA *)(mode_info->atom_context->bios + data_offset);
+		dac_info = (struct _COMPASSIONATE_DATA *)
+			(mode_info->atom_context->bios + data_offset);
 
-	if (dac_info) {
 		tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL);
 
 		if (!tv_dac)
@@ -1385,20 +1437,424 @@ radeon_atombios_get_tv_dac_info(struct radeon_encoder *encoder)
 	return tv_dac;
 }
 
-void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)
+static const char *thermal_controller_names[] = {
+	"NONE",
+	"LM63",
+	"ADM1032",
+	"ADM1030",
+	"MUA6649",
+	"LM64",
+	"F75375",
+	"ASC7512",
+};
+
+static const char *pp_lib_thermal_controller_names[] = {
+	"NONE",
+	"LM63",
+	"ADM1032",
+	"ADM1030",
+	"MUA6649",
+	"LM64",
+	"F75375",
+	"RV6xx",
+	"RV770",
+	"ADT7473",
+};
+
+union power_info {
+	struct _ATOM_POWERPLAY_INFO info;
+	struct _ATOM_POWERPLAY_INFO_V2 info_2;
+	struct _ATOM_POWERPLAY_INFO_V3 info_3;
+	struct _ATOM_PPLIB_POWERPLAYTABLE info_4;
+};
+
+void radeon_atombios_get_power_modes(struct radeon_device *rdev)
 {
-	DYNAMIC_CLOCK_GATING_PS_ALLOCATION args;
-	int index = GetIndexIntoMasterTable(COMMAND, DynamicClockGating);
+	struct radeon_mode_info *mode_info = &rdev->mode_info;
+	int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
+	u16 data_offset;
+	u8 frev, crev;
+	u32 misc, misc2 = 0, sclk, mclk;
+	union power_info *power_info;
+	struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
+	struct _ATOM_PPLIB_STATE *power_state;
+	int num_modes = 0, i, j;
+	int state_index = 0, mode_index = 0;
+	struct radeon_i2c_bus_rec i2c_bus;
+
+	rdev->pm.default_power_state = NULL;
+
+	if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+				   &frev, &crev, &data_offset)) {
+		power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
+		if (frev < 4) {
+			/* add the i2c bus for thermal/fan chip */
+			if (power_info->info.ucOverdriveThermalController > 0) {
+				DRM_INFO("Possible %s thermal controller at 0x%02x\n",
+					 thermal_controller_names[power_info->info.ucOverdriveThermalController],
+					 power_info->info.ucOverdriveControllerAddress >> 1);
+				i2c_bus = radeon_lookup_i2c_gpio(rdev, power_info->info.ucOverdriveI2cLine);
+				rdev->pm.i2c_bus = radeon_i2c_create(rdev->ddev, &i2c_bus, "Thermal");
+			}
+			num_modes = power_info->info.ucNumOfPowerModeEntries;
+			if (num_modes > ATOM_MAX_NUMBEROF_POWER_BLOCK)
+				num_modes = ATOM_MAX_NUMBEROF_POWER_BLOCK;
+			for (i = 0; i < num_modes; i++) {
+				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+				switch (frev) {
+				case 1:
+					rdev->pm.power_state[state_index].num_clock_modes = 1;
+					rdev->pm.power_state[state_index].clock_info[0].mclk =
+						le16_to_cpu(power_info->info.asPowerPlayInfo[i].usMemoryClock);
+					rdev->pm.power_state[state_index].clock_info[0].sclk =
+						le16_to_cpu(power_info->info.asPowerPlayInfo[i].usEngineClock);
+					/* skip invalid modes */
+					if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
+					    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
+						continue;
+					/* skip overclock modes for now */
+					if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
+					     rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
+					    (rdev->pm.power_state[state_index].clock_info[0].sclk >
+					     rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
+						continue;
+					rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+						power_info->info.asPowerPlayInfo[i].ucNumPciELanes;
+					misc = le32_to_cpu(power_info->info.asPowerPlayInfo[i].ulMiscInfo);
+					if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+						rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+							VOLTAGE_GPIO;
+						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
+							radeon_lookup_gpio(rdev,
+							power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex);
+						if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
+							rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+								true;
+						else
+							rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+								false;
+					} else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
+						rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+							VOLTAGE_VDDC;
+						rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
+							power_info->info.asPowerPlayInfo[i].ucVoltageDropIndex;
+					}
+					/* order matters! */
+					if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_POWERSAVE;
+					if (misc & ATOM_PM_MISCINFO_DEFAULT_DC_STATE_ENTRY_TRUE)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_BATTERY;
+					if (misc & ATOM_PM_MISCINFO_DEFAULT_LOW_DC_STATE_ENTRY_TRUE)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_BATTERY;
+					if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_BALANCED;
+					if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_PERFORMANCE;
+					if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_DEFAULT;
+						rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+						rdev->pm.power_state[state_index].default_clock_mode =
+							&rdev->pm.power_state[state_index].clock_info[0];
+					}
+					state_index++;
+					break;
+				case 2:
+					rdev->pm.power_state[state_index].num_clock_modes = 1;
+					rdev->pm.power_state[state_index].clock_info[0].mclk =
+						le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMemoryClock);
+					rdev->pm.power_state[state_index].clock_info[0].sclk =
+						le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulEngineClock);
+					/* skip invalid modes */
+					if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
+					    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
+						continue;
+					/* skip overclock modes for now */
+					if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
+					     rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
+					    (rdev->pm.power_state[state_index].clock_info[0].sclk >
+					     rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
+						continue;
+					rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+						power_info->info_2.asPowerPlayInfo[i].ucNumPciELanes;
+					misc = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo);
+					misc2 = le32_to_cpu(power_info->info_2.asPowerPlayInfo[i].ulMiscInfo2);
+					if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+						rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+							VOLTAGE_GPIO;
+						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
+							radeon_lookup_gpio(rdev,
+							power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex);
+						if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
+							rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+								true;
+						else
+							rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+								false;
+					} else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
+						rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+							VOLTAGE_VDDC;
+						rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
+							power_info->info_2.asPowerPlayInfo[i].ucVoltageDropIndex;
+					}
+					/* order matters! */
+					if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_POWERSAVE;
+					if (misc & ATOM_PM_MISCINFO_DEFAULT_DC_STATE_ENTRY_TRUE)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_BATTERY;
+					if (misc & ATOM_PM_MISCINFO_DEFAULT_LOW_DC_STATE_ENTRY_TRUE)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_BATTERY;
+					if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_BALANCED;
+					if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_PERFORMANCE;
+					if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_BALANCED;
+					if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_DEFAULT;
+						rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+						rdev->pm.power_state[state_index].default_clock_mode =
+							&rdev->pm.power_state[state_index].clock_info[0];
+					}
+					state_index++;
+					break;
+				case 3:
+					rdev->pm.power_state[state_index].num_clock_modes = 1;
+					rdev->pm.power_state[state_index].clock_info[0].mclk =
+						le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMemoryClock);
+					rdev->pm.power_state[state_index].clock_info[0].sclk =
+						le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulEngineClock);
+					/* skip invalid modes */
+					if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
+					    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
+						continue;
+					/* skip overclock modes for now */
+					if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
+					     rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
+					    (rdev->pm.power_state[state_index].clock_info[0].sclk >
+					     rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
+						continue;
+					rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+						power_info->info_3.asPowerPlayInfo[i].ucNumPciELanes;
+					misc = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo);
+					misc2 = le32_to_cpu(power_info->info_3.asPowerPlayInfo[i].ulMiscInfo2);
+					if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_SUPPORT) {
+						rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+							VOLTAGE_GPIO;
+						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio =
+							radeon_lookup_gpio(rdev,
+							power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex);
+						if (misc & ATOM_PM_MISCINFO_VOLTAGE_DROP_ACTIVE_HIGH)
+							rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+								true;
+						else
+							rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+								false;
+					} else if (misc & ATOM_PM_MISCINFO_PROGRAM_VOLTAGE) {
+						rdev->pm.power_state[state_index].clock_info[0].voltage.type =
+							VOLTAGE_VDDC;
+						rdev->pm.power_state[state_index].clock_info[0].voltage.vddc_id =
+							power_info->info_3.asPowerPlayInfo[i].ucVoltageDropIndex;
+						if (misc2 & ATOM_PM_MISCINFO2_VDDCI_DYNAMIC_VOLTAGE_EN) {
+							rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_enabled =
+								true;
+							rdev->pm.power_state[state_index].clock_info[0].voltage.vddci_id =
+							power_info->info_3.asPowerPlayInfo[i].ucVDDCI_VoltageDropIndex;
+						}
+					}
+					/* order matters! */
+					if (misc & ATOM_PM_MISCINFO_POWER_SAVING_MODE)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_POWERSAVE;
+					if (misc & ATOM_PM_MISCINFO_DEFAULT_DC_STATE_ENTRY_TRUE)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_BATTERY;
+					if (misc & ATOM_PM_MISCINFO_DEFAULT_LOW_DC_STATE_ENTRY_TRUE)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_BATTERY;
+					if (misc & ATOM_PM_MISCINFO_LOAD_BALANCE_EN)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_BALANCED;
+					if (misc & ATOM_PM_MISCINFO_3D_ACCELERATION_EN)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_PERFORMANCE;
+					if (misc2 & ATOM_PM_MISCINFO2_SYSTEM_AC_LITE_MODE)
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_BALANCED;
+					if (misc & ATOM_PM_MISCINFO_DRIVER_DEFAULT_MODE) {
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_DEFAULT;
+						rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+						rdev->pm.power_state[state_index].default_clock_mode =
+							&rdev->pm.power_state[state_index].clock_info[0];
+					}
+					state_index++;
+					break;
+				}
+			}
+		} else if (frev == 4) {
+			/* add the i2c bus for thermal/fan chip */
+			/* no support for internal controller yet */
+			if (power_info->info_4.sThermalController.ucType > 0) {
+				if ((power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) ||
+				    (power_info->info_4.sThermalController.ucType == ATOM_PP_THERMALCONTROLLER_RV770)) {
+					DRM_INFO("Internal thermal controller %s fan control\n",
+						 (power_info->info_4.sThermalController.ucFanParameters &
+						  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
+				} else {
+					DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n",
+						 pp_lib_thermal_controller_names[power_info->info_4.sThermalController.ucType],
+						 power_info->info_4.sThermalController.ucI2cAddress >> 1,
+						 (power_info->info_4.sThermalController.ucFanParameters &
+						  ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with");
+					i2c_bus = radeon_lookup_i2c_gpio(rdev, power_info->info_4.sThermalController.ucI2cLine);
+					rdev->pm.i2c_bus = radeon_i2c_create(rdev->ddev, &i2c_bus, "Thermal");
+				}
+			}
+			for (i = 0; i < power_info->info_4.ucNumStates; i++) {
+				mode_index = 0;
+				power_state = (struct _ATOM_PPLIB_STATE *)
+					(mode_info->atom_context->bios +
+					 data_offset +
+					 le16_to_cpu(power_info->info_4.usStateArrayOffset) +
+					 i * power_info->info_4.ucStateEntrySize);
+				non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
+					(mode_info->atom_context->bios +
+					 data_offset +
+					 le16_to_cpu(power_info->info_4.usNonClockInfoArrayOffset) +
+					 (power_state->ucNonClockStateIndex *
+					  power_info->info_4.ucNonClockSize));
+				for (j = 0; j < (power_info->info_4.ucStateEntrySize - 1); j++) {
+					if (rdev->flags & RADEON_IS_IGP) {
+						struct _ATOM_PPLIB_RS780_CLOCK_INFO *clock_info =
+							(struct _ATOM_PPLIB_RS780_CLOCK_INFO *)
+							(mode_info->atom_context->bios +
+							 data_offset +
+							 le16_to_cpu(power_info->info_4.usClockInfoArrayOffset) +
+							 (power_state->ucClockStateIndices[j] *
+							  power_info->info_4.ucClockInfoSize));
+						sclk = le16_to_cpu(clock_info->usLowEngineClockLow);
+						sclk |= clock_info->ucLowEngineClockHigh << 16;
+						rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
+						/* skip invalid modes */
+						if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0)
+							continue;
+						/* skip overclock modes for now */
+						if (rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
+						    rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN)
+							continue;
+						rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
+							VOLTAGE_SW;
+						rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
+							clock_info->usVDDC;
+						mode_index++;
+					} else {
+						struct _ATOM_PPLIB_R600_CLOCK_INFO *clock_info =
+							(struct _ATOM_PPLIB_R600_CLOCK_INFO *)
+							(mode_info->atom_context->bios +
+							 data_offset +
+							 le16_to_cpu(power_info->info_4.usClockInfoArrayOffset) +
+							 (power_state->ucClockStateIndices[j] *
+							  power_info->info_4.ucClockInfoSize));
+						sclk = le16_to_cpu(clock_info->usEngineClockLow);
+						sclk |= clock_info->ucEngineClockHigh << 16;
+						mclk = le16_to_cpu(clock_info->usMemoryClockLow);
+						mclk |= clock_info->ucMemoryClockHigh << 16;
+						rdev->pm.power_state[state_index].clock_info[mode_index].mclk = mclk;
+						rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk;
+						/* skip invalid modes */
+						if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk == 0) ||
+						    (rdev->pm.power_state[state_index].clock_info[mode_index].sclk == 0))
+							continue;
+						/* skip overclock modes for now */
+						if ((rdev->pm.power_state[state_index].clock_info[mode_index].mclk >
+						     rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
+						    (rdev->pm.power_state[state_index].clock_info[mode_index].sclk >
+						     rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
+							continue;
+						rdev->pm.power_state[state_index].clock_info[mode_index].voltage.type =
+							VOLTAGE_SW;
+						rdev->pm.power_state[state_index].clock_info[mode_index].voltage.voltage =
+							clock_info->usVDDC;
+						mode_index++;
+					}
+				}
+				rdev->pm.power_state[state_index].num_clock_modes = mode_index;
+				if (mode_index) {
+					misc = le32_to_cpu(non_clock_info->ulCapsAndSettings);
+					misc2 = le16_to_cpu(non_clock_info->usClassification);
+					rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+						((misc & ATOM_PPLIB_PCIE_LINK_WIDTH_MASK) >>
+						ATOM_PPLIB_PCIE_LINK_WIDTH_SHIFT) + 1;
+					switch (misc2 & ATOM_PPLIB_CLASSIFICATION_UI_MASK) {
+					case ATOM_PPLIB_CLASSIFICATION_UI_BATTERY:
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_BATTERY;
+						break;
+					case ATOM_PPLIB_CLASSIFICATION_UI_BALANCED:
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_BALANCED;
+						break;
+					case ATOM_PPLIB_CLASSIFICATION_UI_PERFORMANCE:
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_PERFORMANCE;
+						break;
+					}
+					if (misc2 & ATOM_PPLIB_CLASSIFICATION_BOOT) {
+						rdev->pm.power_state[state_index].type =
+							POWER_STATE_TYPE_DEFAULT;
+						rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+						rdev->pm.power_state[state_index].default_clock_mode =
+							&rdev->pm.power_state[state_index].clock_info[mode_index - 1];
+					}
+					state_index++;
+				}
+			}
+		}
+	} else {
+		/* XXX figure out some good default low power mode for cards w/out power tables */
+	}
 
-	args.ucEnable = enable;
+	if (rdev->pm.default_power_state == NULL) {
+		/* add the default mode */
+		rdev->pm.power_state[state_index].type =
+			POWER_STATE_TYPE_DEFAULT;
+		rdev->pm.power_state[state_index].num_clock_modes = 1;
+		rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
+		rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
+		rdev->pm.power_state[state_index].default_clock_mode =
+			&rdev->pm.power_state[state_index].clock_info[0];
+		rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+		if (rdev->asic->get_pcie_lanes)
+			rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = radeon_get_pcie_lanes(rdev);
+		else
+			rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = 16;
+		rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+		state_index++;
+	}
+	rdev->pm.num_power_states = state_index;
 
-	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+	rdev->pm.current_power_state = rdev->pm.default_power_state;
+	rdev->pm.current_clock_mode =
+		rdev->pm.default_power_state->default_clock_mode;
 }
 
-void radeon_atom_static_pwrmgt_setup(struct radeon_device *rdev, int enable)
+void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable)
 {
-	ENABLE_ASIC_STATIC_PWR_MGT_PS_ALLOCATION args;
-	int index = GetIndexIntoMasterTable(COMMAND, EnableASIC_StaticPwrMgt);
+	DYNAMIC_CLOCK_GATING_PS_ALLOCATION args;
+	int index = GetIndexIntoMasterTable(COMMAND, DynamicClockGating);
 
 	args.ucEnable = enable;
 
diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
new file mode 100644
index 000000000000..3f557c4151e0
--- /dev/null
+++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c
@@ -0,0 +1,257 @@
+/*
+ * Copyright (c) 2010 Red Hat Inc.
+ * Author : Dave Airlie <airlied@redhat.com>
+ *
+ * Licensed under GPLv2
+ *
+ * ATPX support for both Intel/ATI
+ */
+#include <linux/vga_switcheroo.h>
+#include <acpi/acpi.h>
+#include <acpi/acpi_bus.h>
+#include <linux/pci.h>
+
+#define ATPX_VERSION 0
+#define ATPX_GPU_PWR 2
+#define ATPX_MUX_SELECT 3
+
+#define ATPX_INTEGRATED 0
+#define ATPX_DISCRETE 1
+
+#define ATPX_MUX_IGD 0
+#define ATPX_MUX_DISCRETE 1
+
+static struct radeon_atpx_priv {
+	bool atpx_detected;
+	/* handle for device - and atpx */
+	acpi_handle dhandle;
+	acpi_handle atpx_handle;
+	acpi_handle atrm_handle;
+} radeon_atpx_priv;
+
+/* retrieve the ROM in 4k blocks */
+static int radeon_atrm_call(acpi_handle atrm_handle, uint8_t *bios,
+			    int offset, int len)
+{
+	acpi_status status;
+	union acpi_object atrm_arg_elements[2], *obj;
+	struct acpi_object_list atrm_arg;
+	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL};
+
+	atrm_arg.count = 2;
+	atrm_arg.pointer = &atrm_arg_elements[0];
+
+	atrm_arg_elements[0].type = ACPI_TYPE_INTEGER;
+	atrm_arg_elements[0].integer.value = offset;
+
+	atrm_arg_elements[1].type = ACPI_TYPE_INTEGER;
+	atrm_arg_elements[1].integer.value = len;
+
+	status = acpi_evaluate_object(atrm_handle, NULL, &atrm_arg, &buffer);
+	if (ACPI_FAILURE(status)) {
+		printk("failed to evaluate ATRM got %s\n", acpi_format_exception(status));
+		return -ENODEV;
+	}
+
+	obj = (union acpi_object *)buffer.pointer;
+	memcpy(bios+offset, obj->buffer.pointer, len);
+	kfree(buffer.pointer);
+	return len;
+}
+
+bool radeon_atrm_supported(struct pci_dev *pdev)
+{
+	/* get the discrete ROM only via ATRM */
+	if (!radeon_atpx_priv.atpx_detected)
+		return false;
+
+	if (radeon_atpx_priv.dhandle == DEVICE_ACPI_HANDLE(&pdev->dev))
+		return false;
+	return true;
+}
+
+
+int radeon_atrm_get_bios_chunk(uint8_t *bios, int offset, int len)
+{
+	return radeon_atrm_call(radeon_atpx_priv.atrm_handle, bios, offset, len);
+}
+
+static int radeon_atpx_get_version(acpi_handle handle)
+{
+	acpi_status status;
+	union acpi_object atpx_arg_elements[2], *obj;
+	struct acpi_object_list atpx_arg;
+	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+
+	atpx_arg.count = 2;
+	atpx_arg.pointer = &atpx_arg_elements[0];
+
+	atpx_arg_elements[0].type = ACPI_TYPE_INTEGER;
+	atpx_arg_elements[0].integer.value = ATPX_VERSION;
+
+	atpx_arg_elements[1].type = ACPI_TYPE_INTEGER;
+	atpx_arg_elements[1].integer.value = ATPX_VERSION;
+
+	status = acpi_evaluate_object(handle, NULL, &atpx_arg, &buffer);
+	if (ACPI_FAILURE(status)) {
+		printk("%s: failed to call ATPX: %s\n", __func__, acpi_format_exception(status));
+		return -ENOSYS;
+	}
+	obj = (union acpi_object *)buffer.pointer;
+	if (obj && (obj->type == ACPI_TYPE_BUFFER))
+		printk(KERN_INFO "radeon atpx: version is %d\n", *((u8 *)(obj->buffer.pointer) + 2));
+	kfree(buffer.pointer);
+	return 0;
+}
+
+static int radeon_atpx_execute(acpi_handle handle, int cmd_id, u16 value)
+{
+	acpi_status status;
+	union acpi_object atpx_arg_elements[2];
+	struct acpi_object_list atpx_arg;
+	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+	uint8_t buf[4] = {0};
+
+	if (!handle)
+		return -EINVAL;
+
+	atpx_arg.count = 2;
+	atpx_arg.pointer = &atpx_arg_elements[0];
+
+	atpx_arg_elements[0].type = ACPI_TYPE_INTEGER;
+	atpx_arg_elements[0].integer.value = cmd_id;
+
+	buf[2] = value & 0xff;
+	buf[3] = (value >> 8) & 0xff;
+
+	atpx_arg_elements[1].type = ACPI_TYPE_BUFFER;
+	atpx_arg_elements[1].buffer.length = 4;
+	atpx_arg_elements[1].buffer.pointer = buf;
+
+	status = acpi_evaluate_object(handle, NULL, &atpx_arg, &buffer);
+	if (ACPI_FAILURE(status)) {
+		printk("%s: failed to call ATPX: %s\n", __func__, acpi_format_exception(status));
+		return -ENOSYS;
+	}
+	kfree(buffer.pointer);
+
+	return 0;
+}
+
+static int radeon_atpx_set_discrete_state(acpi_handle handle, int state)
+{
+	return radeon_atpx_execute(handle, ATPX_GPU_PWR, state);
+}
+
+static int radeon_atpx_switch_mux(acpi_handle handle, int mux_id)
+{
+	return radeon_atpx_execute(handle, ATPX_MUX_SELECT, mux_id);
+}
+
+
+static int radeon_atpx_switchto(enum vga_switcheroo_client_id id)
+{
+	if (id == VGA_SWITCHEROO_IGD)
+		radeon_atpx_switch_mux(radeon_atpx_priv.atpx_handle, 0);
+	else
+		radeon_atpx_switch_mux(radeon_atpx_priv.atpx_handle, 1);
+	return 0;
+}
+
+static int radeon_atpx_power_state(enum vga_switcheroo_client_id id,
+				   enum vga_switcheroo_state state)
+{
+	/* on w500 ACPI can't change intel gpu state */
+	if (id == VGA_SWITCHEROO_IGD)
+		return 0;
+
+	radeon_atpx_set_discrete_state(radeon_atpx_priv.atpx_handle, state);
+	return 0;
+}
+
+static bool radeon_atpx_pci_probe_handle(struct pci_dev *pdev)
+{
+	acpi_handle dhandle, atpx_handle, atrm_handle;
+	acpi_status status;
+
+	dhandle = DEVICE_ACPI_HANDLE(&pdev->dev);
+	if (!dhandle)
+		return false;
+
+	status = acpi_get_handle(dhandle, "ATPX", &atpx_handle);
+	if (ACPI_FAILURE(status))
+		return false;
+
+	status = acpi_get_handle(dhandle, "ATRM", &atrm_handle);
+	if (ACPI_FAILURE(status))
+		return false;
+
+	radeon_atpx_priv.dhandle = dhandle;
+	radeon_atpx_priv.atpx_handle = atpx_handle;
+	radeon_atpx_priv.atrm_handle = atrm_handle;
+	return true;
+}
+
+static int radeon_atpx_init(void)
+{
+	/* set up the ATPX handle */
+
+	radeon_atpx_get_version(radeon_atpx_priv.atpx_handle);
+	return 0;
+}
+
+static int radeon_atpx_get_client_id(struct pci_dev *pdev)
+{
+	if (radeon_atpx_priv.dhandle == DEVICE_ACPI_HANDLE(&pdev->dev))
+		return VGA_SWITCHEROO_IGD;
+	else
+		return VGA_SWITCHEROO_DIS;
+}
+
+static struct vga_switcheroo_handler radeon_atpx_handler = {
+	.switchto = radeon_atpx_switchto,
+	.power_state = radeon_atpx_power_state,
+	.init = radeon_atpx_init,
+	.get_client_id = radeon_atpx_get_client_id,
+};
+
+static bool radeon_atpx_detect(void)
+{
+	char acpi_method_name[255] = { 0 };
+	struct acpi_buffer buffer = {sizeof(acpi_method_name), acpi_method_name};
+	struct pci_dev *pdev = NULL;
+	bool has_atpx = false;
+	int vga_count = 0;
+
+	while ((pdev = pci_get_class(PCI_CLASS_DISPLAY_VGA << 8, pdev)) != NULL) {
+		vga_count++;
+
+		has_atpx |= (radeon_atpx_pci_probe_handle(pdev) == true);
+	}
+
+	if (has_atpx && vga_count == 2) {
+		acpi_get_name(radeon_atpx_priv.atpx_handle, ACPI_FULL_PATHNAME, &buffer);
+		printk(KERN_INFO "VGA switcheroo: detected switching method %s handle\n",
+		       acpi_method_name);
+		radeon_atpx_priv.atpx_detected = true;
+		return true;
+	}
+	return false;
+}
+
+void radeon_register_atpx_handler(void)
+{
+	bool r;
+
+	/* detect if we have any ATPX + 2 VGA in the system */
+	r = radeon_atpx_detect();
+	if (!r)
+		return;
+
+	vga_switcheroo_register_handler(&radeon_atpx_handler);
+}
+
+void radeon_unregister_atpx_handler(void)
+{
+	vga_switcheroo_unregister_handler();
+}
diff --git a/drivers/gpu/drm/radeon/radeon_bios.c b/drivers/gpu/drm/radeon/radeon_bios.c
index 906921740c60..557240460526 100644
--- a/drivers/gpu/drm/radeon/radeon_bios.c
+++ b/drivers/gpu/drm/radeon/radeon_bios.c
@@ -30,6 +30,7 @@
 #include "radeon.h"
 #include "atom.h"
 
+#include <linux/vga_switcheroo.h>
 /*
  * BIOS.
  */
@@ -62,7 +63,7 @@ static bool igp_read_bios_from_vram(struct radeon_device *rdev)
 		iounmap(bios);
 		return false;
 	}
-	memcpy(rdev->bios, bios, size);
+	memcpy_fromio(rdev->bios, bios, size);
 	iounmap(bios);
 	return true;
 }
@@ -93,6 +94,38 @@ static bool radeon_read_bios(struct radeon_device *rdev)
 	return true;
 }
 
+/* ATRM is used to get the BIOS on the discrete cards in
+ * dual-gpu systems.
+ */
+static bool radeon_atrm_get_bios(struct radeon_device *rdev)
+{
+	int ret;
+	int size = 64 * 1024;
+	int i;
+
+	if (!radeon_atrm_supported(rdev->pdev))
+		return false;
+
+	rdev->bios = kmalloc(size, GFP_KERNEL);
+	if (!rdev->bios) {
+		DRM_ERROR("Unable to allocate bios\n");
+		return false;
+	}
+
+	for (i = 0; i < size / ATRM_BIOS_PAGE; i++) {
+		ret = radeon_atrm_get_bios_chunk(rdev->bios,
+						 (i * ATRM_BIOS_PAGE),
+						 ATRM_BIOS_PAGE);
+		if (ret <= 0)
+			break;
+	}
+
+	if (i == 0 || rdev->bios[0] != 0x55 || rdev->bios[1] != 0xaa) {
+		kfree(rdev->bios);
+		return false;
+	}
+	return true;
+}
 static bool r700_read_disabled_bios(struct radeon_device *rdev)
 {
 	uint32_t viph_control;
@@ -388,16 +421,16 @@ static bool radeon_read_disabled_bios(struct radeon_device *rdev)
 		return legacy_read_disabled_bios(rdev);
 }
 
+
 bool radeon_get_bios(struct radeon_device *rdev)
 {
 	bool r;
 	uint16_t tmp;
 
-	if (rdev->flags & RADEON_IS_IGP) {
+	r = radeon_atrm_get_bios(rdev);
+	if (r == false)
 		r = igp_read_bios_from_vram(rdev);
-		if (r == false)
-			r = radeon_read_bios(rdev);
-	} else
+	if (r == false)
 		r = radeon_read_bios(rdev);
 	if (r == false) {
 		r = radeon_read_disabled_bios(rdev);
@@ -408,6 +441,13 @@ bool radeon_get_bios(struct radeon_device *rdev)
 		return false;
 	}
 	if (rdev->bios[0] != 0x55 || rdev->bios[1] != 0xaa) {
+		printk("BIOS signature incorrect %x %x\n", rdev->bios[0], rdev->bios[1]);
+		goto free_bios;
+	}
+
+	tmp = RBIOS16(0x18);
+	if (RBIOS8(tmp + 0x14) != 0x0) {
+		DRM_INFO("Not an x86 BIOS ROM, not using.\n");
 		goto free_bios;
 	}
 
diff --git a/drivers/gpu/drm/radeon/radeon_clocks.c b/drivers/gpu/drm/radeon/radeon_clocks.c
index 73c4405bf42f..f64936cc4dd9 100644
--- a/drivers/gpu/drm/radeon/radeon_clocks.c
+++ b/drivers/gpu/drm/radeon/radeon_clocks.c
@@ -96,6 +96,7 @@ void radeon_get_clock_info(struct drm_device *dev)
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_pll *p1pll = &rdev->clock.p1pll;
 	struct radeon_pll *p2pll = &rdev->clock.p2pll;
+	struct radeon_pll *dcpll = &rdev->clock.dcpll;
 	struct radeon_pll *spll = &rdev->clock.spll;
 	struct radeon_pll *mpll = &rdev->clock.mpll;
 	int ret;
@@ -204,6 +205,17 @@ void radeon_get_clock_info(struct drm_device *dev)
 		p2pll->max_frac_feedback_div = 0;
 	}
 
+	/* dcpll is DCE4 only */
+	dcpll->min_post_div = 2;
+	dcpll->max_post_div = 0x7f;
+	dcpll->min_frac_feedback_div = 0;
+	dcpll->max_frac_feedback_div = 9;
+	dcpll->min_ref_div = 2;
+	dcpll->max_ref_div = 0x3ff;
+	dcpll->min_feedback_div = 4;
+	dcpll->max_feedback_div = 0xfff;
+	dcpll->best_vco = 0;
+
 	p1pll->min_ref_div = 2;
 	p1pll->max_ref_div = 0x3ff;
 	p1pll->min_feedback_div = 4;
@@ -846,8 +858,10 @@ int radeon_static_clocks_init(struct drm_device *dev)
 	/* XXX make sure engine is idle */
 
 	if (radeon_dynclks != -1) {
-		if (radeon_dynclks)
-			radeon_set_clock_gating(rdev, 1);
+		if (radeon_dynclks) {
+			if (rdev->asic->set_clock_gating)
+				radeon_set_clock_gating(rdev, 1);
+		}
 	}
 	radeon_apply_clock_quirks(rdev);
 	return 0;
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index 22d476160d52..2becdeda68a3 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -150,6 +150,9 @@ static uint16_t combios_get_table_offset(struct drm_device *dev,
 	int rev;
 	uint16_t offset = 0, check_offset;
 
+	if (!rdev->bios)
+		return 0;
+
 	switch (table) {
 		/* absolute offset tables */
 	case COMBIOS_ASIC_INIT_1_TABLE:
@@ -443,6 +446,39 @@ static uint16_t combios_get_table_offset(struct drm_device *dev,
 
 }
 
+bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev)
+{
+	int edid_info;
+	struct edid *edid;
+	edid_info = combios_get_table_offset(rdev->ddev, COMBIOS_HARDCODED_EDID_TABLE);
+	if (!edid_info)
+		return false;
+
+	edid = kmalloc(EDID_LENGTH * (DRM_MAX_EDID_EXT_NUM + 1),
+		       GFP_KERNEL);
+	if (edid == NULL)
+		return false;
+
+	memcpy((unsigned char *)edid,
+	       (unsigned char *)(rdev->bios + edid_info), EDID_LENGTH);
+
+	if (!drm_edid_is_valid(edid)) {
+		kfree(edid);
+		return false;
+	}
+
+	rdev->mode_info.bios_hardcoded_edid = edid;
+	return true;
+}
+
+struct edid *
+radeon_combios_get_hardcoded_edid(struct radeon_device *rdev)
+{
+	if (rdev->mode_info.bios_hardcoded_edid)
+		return rdev->mode_info.bios_hardcoded_edid;
+	return NULL;
+}
+
 static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rdev,
 						       int ddc_line)
 {
@@ -486,9 +522,62 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde
 		i2c.y_data_reg = ddc_line;
 	}
 
-	if (rdev->family < CHIP_R200)
-		i2c.hw_capable = false;
-	else {
+	switch (rdev->family) {
+	case CHIP_R100:
+	case CHIP_RV100:
+	case CHIP_RS100:
+	case CHIP_RV200:
+	case CHIP_RS200:
+	case CHIP_RS300:
+		switch (ddc_line) {
+		case RADEON_GPIO_DVI_DDC:
+			i2c.hw_capable = true;
+			break;
+		default:
+			i2c.hw_capable = false;
+			break;
+		}
+		break;
+	case CHIP_R200:
+		switch (ddc_line) {
+		case RADEON_GPIO_DVI_DDC:
+		case RADEON_GPIO_MONID:
+			i2c.hw_capable = true;
+			break;
+		default:
+			i2c.hw_capable = false;
+			break;
+		}
+		break;
+	case CHIP_RV250:
+	case CHIP_RV280:
+		switch (ddc_line) {
+		case RADEON_GPIO_VGA_DDC:
+		case RADEON_GPIO_DVI_DDC:
+		case RADEON_GPIO_CRT2_DDC:
+			i2c.hw_capable = true;
+			break;
+		default:
+			i2c.hw_capable = false;
+			break;
+		}
+		break;
+	case CHIP_R300:
+	case CHIP_R350:
+		switch (ddc_line) {
+		case RADEON_GPIO_VGA_DDC:
+		case RADEON_GPIO_DVI_DDC:
+			i2c.hw_capable = true;
+			break;
+		default:
+			i2c.hw_capable = false;
+			break;
+		}
+		break;
+	case CHIP_RV350:
+	case CHIP_RV380:
+	case CHIP_RS400:
+	case CHIP_RS480:
 		switch (ddc_line) {
 		case RADEON_GPIO_VGA_DDC:
 		case RADEON_GPIO_DVI_DDC:
@@ -504,9 +593,14 @@ static struct radeon_i2c_bus_rec combios_setup_i2c_bus(struct radeon_device *rde
 			i2c.hw_capable = false;
 			break;
 		}
+		break;
+	default:
+		i2c.hw_capable = false;
+		break;
 	}
 	i2c.mm_i2c = false;
 	i2c.i2c_id = 0;
+	i2c.hpd_id = 0;
 
 	if (ddc_line)
 		i2c.valid = true;
@@ -527,9 +621,6 @@ bool radeon_combios_get_clock_info(struct drm_device *dev)
 	int8_t rev;
 	uint16_t sclk, mclk;
 
-	if (rdev->bios == NULL)
-		return false;
-
 	pll_info = combios_get_table_offset(dev, COMBIOS_PLL_INFO_TABLE);
 	if (pll_info) {
 		rev = RBIOS8(pll_info);
@@ -539,6 +630,8 @@ bool radeon_combios_get_clock_info(struct drm_device *dev)
 		p1pll->reference_div = RBIOS16(pll_info + 0x10);
 		p1pll->pll_out_min = RBIOS32(pll_info + 0x12);
 		p1pll->pll_out_max = RBIOS32(pll_info + 0x16);
+		p1pll->lcd_pll_out_min = p1pll->pll_out_min;
+		p1pll->lcd_pll_out_max = p1pll->pll_out_max;
 
 		if (rev > 9) {
 			p1pll->pll_in_min = RBIOS32(pll_info + 0x36);
@@ -654,9 +747,6 @@ struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
 	if (!p_dac)
 		return NULL;
 
-	if (rdev->bios == NULL)
-		goto out;
-
 	/* check CRT table */
 	dac_info = combios_get_table_offset(dev, COMBIOS_CRT_INFO_TABLE);
 	if (dac_info) {
@@ -673,7 +763,6 @@ struct radeon_encoder_primary_dac *radeon_combios_get_primary_dac_info(struct
 		found = 1;
 	}
 
-out:
 	if (!found) /* fallback to defaults */
 		radeon_legacy_get_primary_dac_info_from_table(rdev, p_dac);
 
@@ -687,9 +776,6 @@ radeon_combios_get_tv_info(struct radeon_device *rdev)
 	uint16_t tv_info;
 	enum radeon_tv_std tv_std = TV_STD_NTSC;
 
-	if (rdev->bios == NULL)
-		return tv_std;
-
 	tv_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
 	if (tv_info) {
 		if (RBIOS8(tv_info + 6) == 'T') {
@@ -793,9 +879,6 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
 	if (!tv_dac)
 		return NULL;
 
-	if (rdev->bios == NULL)
-		goto out;
-
 	/* first check TV table */
 	dac_info = combios_get_table_offset(dev, COMBIOS_TV_INFO_TABLE);
 	if (dac_info) {
@@ -857,7 +940,6 @@ struct radeon_encoder_tv_dac *radeon_combios_get_tv_dac_info(struct
 		}
 	}
 
-out:
 	if (!found) /* fallback to defaults */
 		radeon_legacy_get_tv_dac_info_from_table(rdev, tv_dac);
 
@@ -945,11 +1027,6 @@ struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
 	int tmp, i;
 	struct radeon_encoder_lvds *lvds = NULL;
 
-	if (rdev->bios == NULL) {
-		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
-		goto out;
-	}
-
 	lcd_info = combios_get_table_offset(dev, COMBIOS_LCD_INFO_TABLE);
 
 	if (lcd_info) {
@@ -1050,7 +1127,7 @@ struct radeon_encoder_lvds *radeon_combios_get_lvds_info(struct radeon_encoder
 		DRM_INFO("No panel info found in BIOS\n");
 		lvds = radeon_legacy_get_lvds_info_from_regs(rdev);
 	}
-out:
+
 	if (lvds)
 		encoder->native_mode = lvds->native_mode;
 	return lvds;
@@ -1102,9 +1179,6 @@ bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
 	int i, n;
 	uint8_t ver;
 
-	if (rdev->bios == NULL)
-		return false;
-
 	tmds_info = combios_get_table_offset(dev, COMBIOS_DFP_INFO_TABLE);
 
 	if (tmds_info) {
@@ -1184,9 +1258,6 @@ bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder
 	enum radeon_combios_ddc gpio;
 	struct radeon_i2c_bus_rec i2c_bus;
 
-	if (rdev->bios == NULL)
-		return false;
-
 	tmds->i2c_bus = NULL;
 	if (rdev->flags & RADEON_IS_IGP) {
 		offset = combios_get_table_offset(dev, COMBIOS_I2C_INFO_TABLE);
@@ -1253,7 +1324,10 @@ bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder
 				tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
 				break;
 			case DDC_LCD: /* MM i2c */
-				DRM_ERROR("MM i2c requires hw i2c engine\n");
+				i2c_bus.valid = true;
+				i2c_bus.hw_capable = true;
+				i2c_bus.mm_i2c = true;
+				tmds->i2c_bus = radeon_i2c_create(dev, &i2c_bus, "DVO");
 				break;
 			default:
 				DRM_ERROR("Unsupported gpio %d\n", gpio);
@@ -1909,9 +1983,6 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 	struct radeon_i2c_bus_rec ddc_i2c;
 	struct radeon_hpd hpd;
 
-	if (rdev->bios == NULL)
-		return false;
-
 	conn_info = combios_get_table_offset(dev, COMBIOS_CONNECTOR_INFO_TABLE);
 	if (conn_info) {
 		for (i = 0; i < 4; i++) {
@@ -2278,6 +2349,115 @@ bool radeon_get_legacy_connector_info_from_bios(struct drm_device *dev)
 	return true;
 }
 
+void radeon_combios_get_power_modes(struct radeon_device *rdev)
+{
+	struct drm_device *dev = rdev->ddev;
+	u16 offset, misc, misc2 = 0;
+	u8 rev, blocks, tmp;
+	int state_index = 0;
+
+	rdev->pm.default_power_state = NULL;
+
+	if (rdev->flags & RADEON_IS_MOBILITY) {
+		offset = combios_get_table_offset(dev, COMBIOS_POWERPLAY_INFO_TABLE);
+		if (offset) {
+			rev = RBIOS8(offset);
+			blocks = RBIOS8(offset + 0x2);
+			/* power mode 0 tends to be the only valid one */
+			rdev->pm.power_state[state_index].num_clock_modes = 1;
+			rdev->pm.power_state[state_index].clock_info[0].mclk = RBIOS32(offset + 0x5 + 0x2);
+			rdev->pm.power_state[state_index].clock_info[0].sclk = RBIOS32(offset + 0x5 + 0x6);
+			if ((rdev->pm.power_state[state_index].clock_info[0].mclk == 0) ||
+			    (rdev->pm.power_state[state_index].clock_info[0].sclk == 0))
+				goto default_mode;
+			/* skip overclock modes for now */
+			if ((rdev->pm.power_state[state_index].clock_info[0].mclk >
+			     rdev->clock.default_mclk + RADEON_MODE_OVERCLOCK_MARGIN) ||
+			    (rdev->pm.power_state[state_index].clock_info[0].sclk >
+			     rdev->clock.default_sclk + RADEON_MODE_OVERCLOCK_MARGIN))
+				goto default_mode;
+			rdev->pm.power_state[state_index].type =
+				POWER_STATE_TYPE_BATTERY;
+			misc = RBIOS16(offset + 0x5 + 0x0);
+			if (rev > 4)
+				misc2 = RBIOS16(offset + 0x5 + 0xe);
+			if (misc & 0x4) {
+				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_GPIO;
+				if (misc & 0x8)
+					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+						true;
+				else
+					rdev->pm.power_state[state_index].clock_info[0].voltage.active_high =
+						false;
+				rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = true;
+				if (rev < 6) {
+					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
+						RBIOS16(offset + 0x5 + 0xb) * 4;
+					tmp = RBIOS8(offset + 0x5 + 0xd);
+					rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
+				} else {
+					u8 entries = RBIOS8(offset + 0x5 + 0xb);
+					u16 voltage_table_offset = RBIOS16(offset + 0x5 + 0xc);
+					if (entries && voltage_table_offset) {
+						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.reg =
+							RBIOS16(voltage_table_offset) * 4;
+						tmp = RBIOS8(voltage_table_offset + 0x2);
+						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.mask = (1 << tmp);
+					} else
+						rdev->pm.power_state[state_index].clock_info[0].voltage.gpio.valid = false;
+				}
+				switch ((misc2 & 0x700) >> 8) {
+				case 0:
+				default:
+					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 0;
+					break;
+				case 1:
+					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 33;
+					break;
+				case 2:
+					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 66;
+					break;
+				case 3:
+					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 99;
+					break;
+				case 4:
+					rdev->pm.power_state[state_index].clock_info[0].voltage.delay = 132;
+					break;
+				}
+			} else
+				rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+			if (rev > 6)
+				rdev->pm.power_state[state_index].non_clock_info.pcie_lanes =
+					RBIOS8(offset + 0x5 + 0x10);
+			state_index++;
+		} else {
+			/* XXX figure out some good default low power mode for mobility cards w/out power tables */
+		}
+	} else {
+		/* XXX figure out some good default low power mode for desktop cards */
+	}
+
+default_mode:
+	/* add the default mode */
+	rdev->pm.power_state[state_index].type =
+		POWER_STATE_TYPE_DEFAULT;
+	rdev->pm.power_state[state_index].num_clock_modes = 1;
+	rdev->pm.power_state[state_index].clock_info[0].mclk = rdev->clock.default_mclk;
+	rdev->pm.power_state[state_index].clock_info[0].sclk = rdev->clock.default_sclk;
+	rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[0];
+	rdev->pm.power_state[state_index].clock_info[0].voltage.type = VOLTAGE_NONE;
+	if (rdev->asic->get_pcie_lanes)
+		rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = radeon_get_pcie_lanes(rdev);
+	else
+		rdev->pm.power_state[state_index].non_clock_info.pcie_lanes = 16;
+	rdev->pm.default_power_state = &rdev->pm.power_state[state_index];
+	rdev->pm.num_power_states = state_index + 1;
+
+	rdev->pm.current_power_state = rdev->pm.default_power_state;
+	rdev->pm.current_clock_mode =
+		rdev->pm.default_power_state->default_clock_mode;
+}
+
 void radeon_external_tmds_setup(struct drm_encoder *encoder)
 {
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
@@ -2289,23 +2469,21 @@ void radeon_external_tmds_setup(struct drm_encoder *encoder)
 	switch (tmds->dvo_chip) {
 	case DVO_SIL164:
 		/* sil 164 */
-		radeon_i2c_do_lock(tmds->i2c_bus, 1);
-		radeon_i2c_sw_put_byte(tmds->i2c_bus,
-				       tmds->slave_addr,
-				       0x08, 0x30);
-		radeon_i2c_sw_put_byte(tmds->i2c_bus,
+		radeon_i2c_put_byte(tmds->i2c_bus,
+				    tmds->slave_addr,
+				    0x08, 0x30);
+		radeon_i2c_put_byte(tmds->i2c_bus,
 				       tmds->slave_addr,
 				       0x09, 0x00);
-		radeon_i2c_sw_put_byte(tmds->i2c_bus,
-				       tmds->slave_addr,
-				       0x0a, 0x90);
-		radeon_i2c_sw_put_byte(tmds->i2c_bus,
-				       tmds->slave_addr,
-				       0x0c, 0x89);
-		radeon_i2c_sw_put_byte(tmds->i2c_bus,
+		radeon_i2c_put_byte(tmds->i2c_bus,
+				    tmds->slave_addr,
+				    0x0a, 0x90);
+		radeon_i2c_put_byte(tmds->i2c_bus,
+				    tmds->slave_addr,
+				    0x0c, 0x89);
+		radeon_i2c_put_byte(tmds->i2c_bus,
 				       tmds->slave_addr,
 				       0x08, 0x3b);
-		radeon_i2c_do_lock(tmds->i2c_bus, 0);
 		break;
 	case DVO_SIL1178:
 		/* sil 1178 - untested */
@@ -2338,9 +2516,6 @@ bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
 	uint32_t reg, val, and_mask, or_mask;
 	struct radeon_encoder_ext_tmds *tmds = radeon_encoder->enc_priv;
 
-	if (rdev->bios == NULL)
-		return false;
-
 	if (!tmds)
 		return false;
 
@@ -2390,11 +2565,9 @@ bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
 						index++;
 						val = RBIOS8(index);
 						index++;
-						radeon_i2c_do_lock(tmds->i2c_bus, 1);
-						radeon_i2c_sw_put_byte(tmds->i2c_bus,
-								       slave_addr,
-								       reg, val);
-						radeon_i2c_do_lock(tmds->i2c_bus, 0);
+						radeon_i2c_put_byte(tmds->i2c_bus,
+								    slave_addr,
+								    reg, val);
 						break;
 					default:
 						DRM_ERROR("Unknown id %d\n", id >> 13);
@@ -2447,11 +2620,9 @@ bool radeon_combios_external_tmds_setup(struct drm_encoder *encoder)
 					reg = id & 0x1fff;
 					val = RBIOS8(index);
 					index += 1;
-					radeon_i2c_do_lock(tmds->i2c_bus, 1);
-					radeon_i2c_sw_put_byte(tmds->i2c_bus,
-							       tmds->slave_addr,
-							       reg, val);
-					radeon_i2c_do_lock(tmds->i2c_bus, 0);
+					radeon_i2c_put_byte(tmds->i2c_bus,
+							    tmds->slave_addr,
+							    reg, val);
 					break;
 				default:
 					DRM_ERROR("Unknown id %d\n", id >> 13);
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index 65f81942f399..60d59816b94f 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -479,10 +479,8 @@ static enum drm_connector_status radeon_lvds_detect(struct drm_connector *connec
 		ret = connector_status_connected;
 	else {
 		if (radeon_connector->ddc_bus) {
-			radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 			radeon_connector->edid = drm_get_edid(&radeon_connector->base,
 							      &radeon_connector->ddc_bus->adapter);
-			radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 			if (radeon_connector->edid)
 				ret = connector_status_connected;
 		}
@@ -587,19 +585,14 @@ static enum drm_connector_status radeon_vga_detect(struct drm_connector *connect
 	if (!encoder)
 		ret = connector_status_disconnected;
 
-	if (radeon_connector->ddc_bus) {
-		radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
+	if (radeon_connector->ddc_bus)
 		dret = radeon_ddc_probe(radeon_connector);
-		radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
-	}
 	if (dret) {
 		if (radeon_connector->edid) {
 			kfree(radeon_connector->edid);
 			radeon_connector->edid = NULL;
 		}
-		radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 		radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
-		radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 
 		if (!radeon_connector->edid) {
 			DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
@@ -744,19 +737,14 @@ static enum drm_connector_status radeon_dvi_detect(struct drm_connector *connect
 	enum drm_connector_status ret = connector_status_disconnected;
 	bool dret = false;
 
-	if (radeon_connector->ddc_bus) {
-		radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
+	if (radeon_connector->ddc_bus)
 		dret = radeon_ddc_probe(radeon_connector);
-		radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
-	}
 	if (dret) {
 		if (radeon_connector->edid) {
 			kfree(radeon_connector->edid);
 			radeon_connector->edid = NULL;
 		}
-		radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 		radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
-		radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 
 		if (!radeon_connector->edid) {
 			DRM_ERROR("%s: probed a monitor but no|invalid EDID\n",
@@ -988,12 +976,10 @@ static enum drm_connector_status radeon_dp_detect(struct drm_connector *connecto
 			ret = connector_status_connected;
 		}
 	} else {
-		radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 		if (radeon_ddc_probe(radeon_connector)) {
 			radeon_dig_connector->dp_sink_type = sink_type;
 			ret = connector_status_connected;
 		}
-		radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 	}
 
 	return ret;
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index 06123ba31d31..dc6eba6b96dd 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -1644,6 +1644,7 @@ static int radeon_do_resume_cp(struct drm_device *dev, struct drm_file *file_pri
 	radeon_cp_load_microcode(dev_priv);
 	radeon_cp_init_ring_buffer(dev, dev_priv, file_priv);
 
+	dev_priv->have_z_offset = 0;
 	radeon_do_engine_reset(dev);
 	radeon_irq_set_state(dev, RADEON_SW_INT_ENABLE, 1);
 
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index e9d085021c1f..f9b0fe002c0a 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -193,11 +193,10 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error)
 		radeon_bo_list_fence(&parser->validated, parser->ib->fence);
 	}
 	radeon_bo_list_unreserve(&parser->validated);
-	for (i = 0; i < parser->nrelocs; i++) {
-		if (parser->relocs[i].gobj) {
-			mutex_lock(&parser->rdev->ddev->struct_mutex);
-			drm_gem_object_unreference(parser->relocs[i].gobj);
-			mutex_unlock(&parser->rdev->ddev->struct_mutex);
+	if (parser->relocs != NULL) {
+		for (i = 0; i < parser->nrelocs; i++) {
+			if (parser->relocs[i].gobj)
+				drm_gem_object_unreference_unlocked(parser->relocs[i].gobj);
 		}
 	}
 	kfree(parser->track);
@@ -246,7 +245,8 @@ int radeon_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
 	}
 	r = radeon_cs_parser_relocs(&parser);
 	if (r) {
-		DRM_ERROR("Failed to parse relocation !\n");
+		if (r != -ERESTARTSYS)
+			DRM_ERROR("Failed to parse relocation %d!\n", r);
 		radeon_cs_parser_fini(&parser, r);
 		mutex_unlock(&rdev->cs_mutex);
 		return r;
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index 28772a37009c..b7023fff89eb 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -36,7 +36,14 @@ static void radeon_lock_cursor(struct drm_crtc *crtc, bool lock)
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	uint32_t cur_lock;
 
-	if (ASIC_IS_AVIVO(rdev)) {
+	if (ASIC_IS_DCE4(rdev)) {
+		cur_lock = RREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset);
+		if (lock)
+			cur_lock |= EVERGREEN_CURSOR_UPDATE_LOCK;
+		else
+			cur_lock &= ~EVERGREEN_CURSOR_UPDATE_LOCK;
+		WREG32(EVERGREEN_CUR_UPDATE + radeon_crtc->crtc_offset, cur_lock);
+	} else if (ASIC_IS_AVIVO(rdev)) {
 		cur_lock = RREG32(AVIVO_D1CUR_UPDATE + radeon_crtc->crtc_offset);
 		if (lock)
 			cur_lock |= AVIVO_D1CURSOR_UPDATE_LOCK;
@@ -58,7 +65,10 @@ static void radeon_hide_cursor(struct drm_crtc *crtc)
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	struct radeon_device *rdev = crtc->dev->dev_private;
 
-	if (ASIC_IS_AVIVO(rdev)) {
+	if (ASIC_IS_DCE4(rdev)) {
+		WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset);
+		WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT));
+	} else if (ASIC_IS_AVIVO(rdev)) {
 		WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset);
 		WREG32(RADEON_MM_DATA, (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT));
 	} else {
@@ -81,10 +91,14 @@ static void radeon_show_cursor(struct drm_crtc *crtc)
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	struct radeon_device *rdev = crtc->dev->dev_private;
 
-	if (ASIC_IS_AVIVO(rdev)) {
+	if (ASIC_IS_DCE4(rdev)) {
+		WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset);
+		WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_EN |
+		       EVERGREEN_CURSOR_MODE(EVERGREEN_CURSOR_24_8_PRE_MULT));
+	} else if (ASIC_IS_AVIVO(rdev)) {
 		WREG32(RADEON_MM_INDEX, AVIVO_D1CUR_CONTROL + radeon_crtc->crtc_offset);
 		WREG32(RADEON_MM_DATA, AVIVO_D1CURSOR_EN |
-			     (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT));
+		       (AVIVO_D1CURSOR_MODE_24BPP << AVIVO_D1CURSOR_MODE_SHIFT));
 	} else {
 		switch (radeon_crtc->crtc_id) {
 		case 0:
@@ -109,7 +123,10 @@ static void radeon_set_cursor(struct drm_crtc *crtc, struct drm_gem_object *obj,
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	struct radeon_device *rdev = crtc->dev->dev_private;
 
-	if (ASIC_IS_AVIVO(rdev)) {
+	if (ASIC_IS_DCE4(rdev)) {
+		WREG32(EVERGREEN_CUR_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, 0);
+		WREG32(EVERGREEN_CUR_SURFACE_ADDRESS + radeon_crtc->crtc_offset, gpu_addr);
+	} else if (ASIC_IS_AVIVO(rdev)) {
 		if (rdev->family >= CHIP_RV770) {
 			if (radeon_crtc->crtc_id)
 				WREG32(R700_D2CUR_SURFACE_ADDRESS_HIGH, 0);
@@ -169,17 +186,13 @@ int radeon_crtc_cursor_set(struct drm_crtc *crtc,
 unpin:
 	if (radeon_crtc->cursor_bo) {
 		radeon_gem_object_unpin(radeon_crtc->cursor_bo);
-		mutex_lock(&crtc->dev->struct_mutex);
-		drm_gem_object_unreference(radeon_crtc->cursor_bo);
-		mutex_unlock(&crtc->dev->struct_mutex);
+		drm_gem_object_unreference_unlocked(radeon_crtc->cursor_bo);
 	}
 
 	radeon_crtc->cursor_bo = obj;
 	return 0;
 fail:
-	mutex_lock(&crtc->dev->struct_mutex);
-	drm_gem_object_unreference(obj);
-	mutex_unlock(&crtc->dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(obj);
 
 	return 0;
 }
@@ -201,7 +214,20 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
 		yorigin = CURSOR_HEIGHT - 1;
 
 	radeon_lock_cursor(crtc, true);
-	if (ASIC_IS_AVIVO(rdev)) {
+	if (ASIC_IS_DCE4(rdev)) {
+		/* cursors are offset into the total surface */
+		x += crtc->x;
+		y += crtc->y;
+		DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
+
+		/* XXX: check if evergreen has the same issues as avivo chips */
+		WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset,
+		       ((xorigin ? 0 : x) << 16) |
+		       (yorigin ? 0 : y));
+		WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
+		WREG32(EVERGREEN_CUR_SIZE + radeon_crtc->crtc_offset,
+		       ((radeon_crtc->cursor_width - 1) << 16) | (radeon_crtc->cursor_height - 1));
+	} else if (ASIC_IS_AVIVO(rdev)) {
 		int w = radeon_crtc->cursor_width;
 		int i = 0;
 		struct drm_crtc *crtc_p;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 768b1509fa03..60ec47b71642 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -30,9 +30,9 @@
 #include <drm/drm_crtc_helper.h>
 #include <drm/radeon_drm.h>
 #include <linux/vgaarb.h>
+#include <linux/vga_switcheroo.h>
 #include "radeon_reg.h"
 #include "radeon.h"
-#include "radeon_asic.h"
 #include "atom.h"
 
 /*
@@ -100,80 +100,103 @@ void radeon_scratch_free(struct radeon_device *rdev, uint32_t reg)
 	}
 }
 
-/*
- * MC common functions
+/**
+ * radeon_vram_location - try to find VRAM location
+ * @rdev: radeon device structure holding all necessary informations
+ * @mc: memory controller structure holding memory informations
+ * @base: base address at which to put VRAM
+ *
+ * Function will place try to place VRAM at base address provided
+ * as parameter (which is so far either PCI aperture address or
+ * for IGP TOM base address).
+ *
+ * If there is not enough space to fit the unvisible VRAM in the 32bits
+ * address space then we limit the VRAM size to the aperture.
+ *
+ * If we are using AGP and if the AGP aperture doesn't allow us to have
+ * room for all the VRAM than we restrict the VRAM to the PCI aperture
+ * size and print a warning.
+ *
+ * This function will never fails, worst case are limiting VRAM.
+ *
+ * Note: GTT start, end, size should be initialized before calling this
+ * function on AGP platform.
+ *
+ * Note: We don't explictly enforce VRAM start to be aligned on VRAM size,
+ * this shouldn't be a problem as we are using the PCI aperture as a reference.
+ * Otherwise this would be needed for rv280, all r3xx, and all r4xx, but
+ * not IGP.
+ *
+ * Note: we use mc_vram_size as on some board we need to program the mc to
+ * cover the whole aperture even if VRAM size is inferior to aperture size
+ * Novell bug 204882 + along with lots of ubuntu ones
+ *
+ * Note: when limiting vram it's safe to overwritte real_vram_size because
+ * we are not in case where real_vram_size is inferior to mc_vram_size (ie
+ * note afected by bogus hw of Novell bug 204882 + along with lots of ubuntu
+ * ones)
+ *
+ * Note: IGP TOM addr should be the same as the aperture addr, we don't
+ * explicitly check for that thought.
+ *
+ * FIXME: when reducing VRAM size align new size on power of 2.
+ */
+void radeon_vram_location(struct radeon_device *rdev, struct radeon_mc *mc, u64 base)
+{
+	mc->vram_start = base;
+	if (mc->mc_vram_size > (0xFFFFFFFF - base + 1)) {
+		dev_warn(rdev->dev, "limiting VRAM to PCI aperture size\n");
+		mc->real_vram_size = mc->aper_size;
+		mc->mc_vram_size = mc->aper_size;
+	}
+	mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
+	if (rdev->flags & RADEON_IS_AGP && mc->vram_end > mc->gtt_start && mc->vram_end <= mc->gtt_end) {
+		dev_warn(rdev->dev, "limiting VRAM to PCI aperture size\n");
+		mc->real_vram_size = mc->aper_size;
+		mc->mc_vram_size = mc->aper_size;
+	}
+	mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
+	dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
+			mc->mc_vram_size >> 20, mc->vram_start,
+			mc->vram_end, mc->real_vram_size >> 20);
+}
+
+/**
+ * radeon_gtt_location - try to find GTT location
+ * @rdev: radeon device structure holding all necessary informations
+ * @mc: memory controller structure holding memory informations
+ *
+ * Function will place try to place GTT before or after VRAM.
+ *
+ * If GTT size is bigger than space left then we ajust GTT size.
+ * Thus function will never fails.
+ *
+ * FIXME: when reducing GTT size align new size on power of 2.
  */
-int radeon_mc_setup(struct radeon_device *rdev)
+void radeon_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
 {
-	uint32_t tmp;
+	u64 size_af, size_bf;
 
-	/* Some chips have an "issue" with the memory controller, the
-	 * location must be aligned to the size. We just align it down,
-	 * too bad if we walk over the top of system memory, we don't
-	 * use DMA without a remapped anyway.
-	 * Affected chips are rv280, all r3xx, and all r4xx, but not IGP
-	 */
-	/* FGLRX seems to setup like this, VRAM a 0, then GART.
-	 */
-	/*
-	 * Note: from R6xx the address space is 40bits but here we only
-	 * use 32bits (still have to see a card which would exhaust 4G
-	 * address space).
-	 */
-	if (rdev->mc.vram_location != 0xFFFFFFFFUL) {
-		/* vram location was already setup try to put gtt after
-		 * if it fits */
-		tmp = rdev->mc.vram_location + rdev->mc.mc_vram_size;
-		tmp = (tmp + rdev->mc.gtt_size - 1) & ~(rdev->mc.gtt_size - 1);
-		if ((0xFFFFFFFFUL - tmp) >= rdev->mc.gtt_size) {
-			rdev->mc.gtt_location = tmp;
-		} else {
-			if (rdev->mc.gtt_size >= rdev->mc.vram_location) {
-				printk(KERN_ERR "[drm] GTT too big to fit "
-				       "before or after vram location.\n");
-				return -EINVAL;
-			}
-			rdev->mc.gtt_location = 0;
-		}
-	} else if (rdev->mc.gtt_location != 0xFFFFFFFFUL) {
-		/* gtt location was already setup try to put vram before
-		 * if it fits */
-		if (rdev->mc.mc_vram_size < rdev->mc.gtt_location) {
-			rdev->mc.vram_location = 0;
-		} else {
-			tmp = rdev->mc.gtt_location + rdev->mc.gtt_size;
-			tmp += (rdev->mc.mc_vram_size - 1);
-			tmp &= ~(rdev->mc.mc_vram_size - 1);
-			if ((0xFFFFFFFFUL - tmp) >= rdev->mc.mc_vram_size) {
-				rdev->mc.vram_location = tmp;
-			} else {
-				printk(KERN_ERR "[drm] vram too big to fit "
-				       "before or after GTT location.\n");
-				return -EINVAL;
-			}
+	size_af = 0xFFFFFFFF - mc->vram_end;
+	size_bf = mc->vram_start;
+	if (size_bf > size_af) {
+		if (mc->gtt_size > size_bf) {
+			dev_warn(rdev->dev, "limiting GTT\n");
+			mc->gtt_size = size_bf;
 		}
+		mc->gtt_start = mc->vram_start - mc->gtt_size;
 	} else {
-		rdev->mc.vram_location = 0;
-		tmp = rdev->mc.mc_vram_size;
-		tmp = (tmp + rdev->mc.gtt_size - 1) & ~(rdev->mc.gtt_size - 1);
-		rdev->mc.gtt_location = tmp;
-	}
-	rdev->mc.vram_start = rdev->mc.vram_location;
-	rdev->mc.vram_end = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1;
-	rdev->mc.gtt_start = rdev->mc.gtt_location;
-	rdev->mc.gtt_end = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
-	DRM_INFO("radeon: VRAM %uM\n", (unsigned)(rdev->mc.mc_vram_size >> 20));
-	DRM_INFO("radeon: VRAM from 0x%08X to 0x%08X\n",
-		 (unsigned)rdev->mc.vram_location,
-		 (unsigned)(rdev->mc.vram_location + rdev->mc.mc_vram_size - 1));
-	DRM_INFO("radeon: GTT %uM\n", (unsigned)(rdev->mc.gtt_size >> 20));
-	DRM_INFO("radeon: GTT from 0x%08X to 0x%08X\n",
-		 (unsigned)rdev->mc.gtt_location,
-		 (unsigned)(rdev->mc.gtt_location + rdev->mc.gtt_size - 1));
-	return 0;
+		if (mc->gtt_size > size_af) {
+			dev_warn(rdev->dev, "limiting GTT\n");
+			mc->gtt_size = size_af;
+		}
+		mc->gtt_start = mc->vram_end + 1;
+	}
+	mc->gtt_end = mc->gtt_start + mc->gtt_size - 1;
+	dev_info(rdev->dev, "GTT: %lluM 0x%08llX - 0x%08llX\n",
+			mc->gtt_size >> 20, mc->gtt_start, mc->gtt_end);
 }
 
-
 /*
  * GPU helpers function.
  */
@@ -182,7 +205,16 @@ bool radeon_card_posted(struct radeon_device *rdev)
 	uint32_t reg;
 
 	/* first check CRTCs */
-	if (ASIC_IS_AVIVO(rdev)) {
+	if (ASIC_IS_DCE4(rdev)) {
+		reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
+			RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) |
+			RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
+			RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) |
+			RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
+			RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
+		if (reg & EVERGREEN_CRTC_MASTER_EN)
+			return true;
+	} else if (ASIC_IS_AVIVO(rdev)) {
 		reg = RREG32(AVIVO_D1CRTC_CONTROL) |
 		      RREG32(AVIVO_D2CRTC_CONTROL);
 		if (reg & AVIVO_CRTC_EN) {
@@ -209,6 +241,36 @@ bool radeon_card_posted(struct radeon_device *rdev)
 
 }
 
+void radeon_update_bandwidth_info(struct radeon_device *rdev)
+{
+	fixed20_12 a;
+	u32 sclk, mclk;
+
+	if (rdev->flags & RADEON_IS_IGP) {
+		sclk = radeon_get_engine_clock(rdev);
+		mclk = rdev->clock.default_mclk;
+
+		a.full = rfixed_const(100);
+		rdev->pm.sclk.full = rfixed_const(sclk);
+		rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
+		rdev->pm.mclk.full = rfixed_const(mclk);
+		rdev->pm.mclk.full = rfixed_div(rdev->pm.mclk, a);
+
+		a.full = rfixed_const(16);
+		/* core_bandwidth = sclk(Mhz) * 16 */
+		rdev->pm.core_bandwidth.full = rfixed_div(rdev->pm.sclk, a);
+	} else {
+		sclk = radeon_get_engine_clock(rdev);
+		mclk = radeon_get_memory_clock(rdev);
+
+		a.full = rfixed_const(100);
+		rdev->pm.sclk.full = rfixed_const(sclk);
+		rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
+		rdev->pm.mclk.full = rfixed_const(mclk);
+		rdev->pm.mclk.full = rfixed_div(rdev->pm.mclk, a);
+	}
+}
+
 bool radeon_boot_test_post_card(struct radeon_device *rdev)
 {
 	if (radeon_card_posted(rdev))
@@ -229,6 +291,8 @@ bool radeon_boot_test_post_card(struct radeon_device *rdev)
 
 int radeon_dummy_page_init(struct radeon_device *rdev)
 {
+	if (rdev->dummy_page.page)
+		return 0;
 	rdev->dummy_page.page = alloc_page(GFP_DMA32 | GFP_KERNEL | __GFP_ZERO);
 	if (rdev->dummy_page.page == NULL)
 		return -ENOMEM;
@@ -253,173 +317,6 @@ void radeon_dummy_page_fini(struct radeon_device *rdev)
 }
 
 
-/*
- * Registers accessors functions.
- */
-uint32_t radeon_invalid_rreg(struct radeon_device *rdev, uint32_t reg)
-{
-	DRM_ERROR("Invalid callback to read register 0x%04X\n", reg);
-	BUG_ON(1);
-	return 0;
-}
-
-void radeon_invalid_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
-{
-	DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n",
-		  reg, v);
-	BUG_ON(1);
-}
-
-void radeon_register_accessor_init(struct radeon_device *rdev)
-{
-	rdev->mc_rreg = &radeon_invalid_rreg;
-	rdev->mc_wreg = &radeon_invalid_wreg;
-	rdev->pll_rreg = &radeon_invalid_rreg;
-	rdev->pll_wreg = &radeon_invalid_wreg;
-	rdev->pciep_rreg = &radeon_invalid_rreg;
-	rdev->pciep_wreg = &radeon_invalid_wreg;
-
-	/* Don't change order as we are overridding accessor. */
-	if (rdev->family < CHIP_RV515) {
-		rdev->pcie_reg_mask = 0xff;
-	} else {
-		rdev->pcie_reg_mask = 0x7ff;
-	}
-	/* FIXME: not sure here */
-	if (rdev->family <= CHIP_R580) {
-		rdev->pll_rreg = &r100_pll_rreg;
-		rdev->pll_wreg = &r100_pll_wreg;
-	}
-	if (rdev->family >= CHIP_R420) {
-		rdev->mc_rreg = &r420_mc_rreg;
-		rdev->mc_wreg = &r420_mc_wreg;
-	}
-	if (rdev->family >= CHIP_RV515) {
-		rdev->mc_rreg = &rv515_mc_rreg;
-		rdev->mc_wreg = &rv515_mc_wreg;
-	}
-	if (rdev->family == CHIP_RS400 || rdev->family == CHIP_RS480) {
-		rdev->mc_rreg = &rs400_mc_rreg;
-		rdev->mc_wreg = &rs400_mc_wreg;
-	}
-	if (rdev->family == CHIP_RS690 || rdev->family == CHIP_RS740) {
-		rdev->mc_rreg = &rs690_mc_rreg;
-		rdev->mc_wreg = &rs690_mc_wreg;
-	}
-	if (rdev->family == CHIP_RS600) {
-		rdev->mc_rreg = &rs600_mc_rreg;
-		rdev->mc_wreg = &rs600_mc_wreg;
-	}
-	if (rdev->family >= CHIP_R600) {
-		rdev->pciep_rreg = &r600_pciep_rreg;
-		rdev->pciep_wreg = &r600_pciep_wreg;
-	}
-}
-
-
-/*
- * ASIC
- */
-int radeon_asic_init(struct radeon_device *rdev)
-{
-	radeon_register_accessor_init(rdev);
-	switch (rdev->family) {
-	case CHIP_R100:
-	case CHIP_RV100:
-	case CHIP_RS100:
-	case CHIP_RV200:
-	case CHIP_RS200:
-	case CHIP_R200:
-	case CHIP_RV250:
-	case CHIP_RS300:
-	case CHIP_RV280:
-		rdev->asic = &r100_asic;
-		break;
-	case CHIP_R300:
-	case CHIP_R350:
-	case CHIP_RV350:
-	case CHIP_RV380:
-		rdev->asic = &r300_asic;
-		if (rdev->flags & RADEON_IS_PCIE) {
-			rdev->asic->gart_tlb_flush = &rv370_pcie_gart_tlb_flush;
-			rdev->asic->gart_set_page = &rv370_pcie_gart_set_page;
-		}
-		break;
-	case CHIP_R420:
-	case CHIP_R423:
-	case CHIP_RV410:
-		rdev->asic = &r420_asic;
-		break;
-	case CHIP_RS400:
-	case CHIP_RS480:
-		rdev->asic = &rs400_asic;
-		break;
-	case CHIP_RS600:
-		rdev->asic = &rs600_asic;
-		break;
-	case CHIP_RS690:
-	case CHIP_RS740:
-		rdev->asic = &rs690_asic;
-		break;
-	case CHIP_RV515:
-		rdev->asic = &rv515_asic;
-		break;
-	case CHIP_R520:
-	case CHIP_RV530:
-	case CHIP_RV560:
-	case CHIP_RV570:
-	case CHIP_R580:
-		rdev->asic = &r520_asic;
-		break;
-	case CHIP_R600:
-	case CHIP_RV610:
-	case CHIP_RV630:
-	case CHIP_RV620:
-	case CHIP_RV635:
-	case CHIP_RV670:
-	case CHIP_RS780:
-	case CHIP_RS880:
-		rdev->asic = &r600_asic;
-		break;
-	case CHIP_RV770:
-	case CHIP_RV730:
-	case CHIP_RV710:
-	case CHIP_RV740:
-		rdev->asic = &rv770_asic;
-		break;
-	default:
-		/* FIXME: not supported yet */
-		return -EINVAL;
-	}
-
-	if (rdev->flags & RADEON_IS_IGP) {
-		rdev->asic->get_memory_clock = NULL;
-		rdev->asic->set_memory_clock = NULL;
-	}
-
-	return 0;
-}
-
-
-/*
- * Wrapper around modesetting bits.
- */
-int radeon_clocks_init(struct radeon_device *rdev)
-{
-	int r;
-
-	r = radeon_static_clocks_init(rdev->ddev);
-	if (r) {
-		return r;
-	}
-	DRM_INFO("Clocks initialized !\n");
-	return 0;
-}
-
-void radeon_clocks_fini(struct radeon_device *rdev)
-{
-}
-
 /* ATOM accessor methods */
 static uint32_t cail_pll_read(struct card_info *info, uint32_t reg)
 {
@@ -524,29 +421,6 @@ static unsigned int radeon_vga_set_decode(void *cookie, bool state)
 		return VGA_RSRC_NORMAL_IO | VGA_RSRC_NORMAL_MEM;
 }
 
-void radeon_agp_disable(struct radeon_device *rdev)
-{
-	rdev->flags &= ~RADEON_IS_AGP;
-	if (rdev->family >= CHIP_R600) {
-		DRM_INFO("Forcing AGP to PCIE mode\n");
-		rdev->flags |= RADEON_IS_PCIE;
-	} else if (rdev->family >= CHIP_RV515 ||
-			rdev->family == CHIP_RV380 ||
-			rdev->family == CHIP_RV410 ||
-			rdev->family == CHIP_R423) {
-		DRM_INFO("Forcing AGP to PCIE mode\n");
-		rdev->flags |= RADEON_IS_PCIE;
-		rdev->asic->gart_tlb_flush = &rv370_pcie_gart_tlb_flush;
-		rdev->asic->gart_set_page = &rv370_pcie_gart_set_page;
-	} else {
-		DRM_INFO("Forcing AGP to PCI mode\n");
-		rdev->flags |= RADEON_IS_PCI;
-		rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush;
-		rdev->asic->gart_set_page = &r100_pci_gart_set_page;
-	}
-	rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
-}
-
 void radeon_check_arguments(struct radeon_device *rdev)
 {
 	/* vramlimit must be a power of two */
@@ -613,6 +487,36 @@ void radeon_check_arguments(struct radeon_device *rdev)
 	}
 }
 
+static void radeon_switcheroo_set_state(struct pci_dev *pdev, enum vga_switcheroo_state state)
+{
+	struct drm_device *dev = pci_get_drvdata(pdev);
+	struct radeon_device *rdev = dev->dev_private;
+	pm_message_t pmm = { .event = PM_EVENT_SUSPEND };
+	if (state == VGA_SWITCHEROO_ON) {
+		printk(KERN_INFO "radeon: switched on\n");
+		/* don't suspend or resume card normally */
+		rdev->powered_down = false;
+		radeon_resume_kms(dev);
+	} else {
+		printk(KERN_INFO "radeon: switched off\n");
+		radeon_suspend_kms(dev, pmm);
+		/* don't suspend or resume card normally */
+		rdev->powered_down = true;
+	}
+}
+
+static bool radeon_switcheroo_can_switch(struct pci_dev *pdev)
+{
+	struct drm_device *dev = pci_get_drvdata(pdev);
+	bool can_switch;
+
+	spin_lock(&dev->count_lock);
+	can_switch = (dev->open_count == 0);
+	spin_unlock(&dev->count_lock);
+	return can_switch;
+}
+
+
 int radeon_device_init(struct radeon_device *rdev,
 		       struct drm_device *ddev,
 		       struct pci_dev *pdev,
@@ -638,11 +542,14 @@ int radeon_device_init(struct radeon_device *rdev,
 	mutex_init(&rdev->cs_mutex);
 	mutex_init(&rdev->ib_pool.mutex);
 	mutex_init(&rdev->cp.mutex);
+	mutex_init(&rdev->dc_hw_i2c_mutex);
 	if (rdev->family >= CHIP_R600)
 		spin_lock_init(&rdev->ih.lock);
 	mutex_init(&rdev->gem.mutex);
+	mutex_init(&rdev->pm.mutex);
 	rwlock_init(&rdev->fence_drv.lock);
 	INIT_LIST_HEAD(&rdev->gem.objects);
+	init_waitqueue_head(&rdev->irq.vblank_queue);
 
 	/* setup workqueue */
 	rdev->wq = create_workqueue("radeon");
@@ -655,6 +562,14 @@ int radeon_device_init(struct radeon_device *rdev,
 		return r;
 	radeon_check_arguments(rdev);
 
+	/* all of the newer IGP chips have an internal gart
+	 * However some rs4xx report as AGP, so remove that here.
+	 */
+	if ((rdev->family >= CHIP_RS400) &&
+	    (rdev->flags & RADEON_IS_IGP)) {
+		rdev->flags &= ~RADEON_IS_AGP;
+	}
+
 	if (rdev->flags & RADEON_IS_AGP && radeon_agpmode == -1) {
 		radeon_agp_disable(rdev);
 	}
@@ -692,6 +607,9 @@ int radeon_device_init(struct radeon_device *rdev,
 	/* this will fail for cards that aren't VGA class devices, just
 	 * ignore it */
 	vga_client_register(rdev->pdev, rdev, NULL, radeon_vga_set_decode);
+	vga_switcheroo_register_client(rdev->pdev,
+				       radeon_switcheroo_set_state,
+				       radeon_switcheroo_can_switch);
 
 	r = radeon_init(rdev);
 	if (r)
@@ -723,6 +641,7 @@ void radeon_device_fini(struct radeon_device *rdev)
 	rdev->shutdown = true;
 	radeon_fini(rdev);
 	destroy_workqueue(rdev->wq);
+	vga_switcheroo_unregister_client(rdev->pdev);
 	vga_client_register(rdev->pdev, NULL, NULL, NULL);
 	iounmap(rdev->rmmio);
 	rdev->rmmio = NULL;
@@ -746,6 +665,8 @@ int radeon_suspend_kms(struct drm_device *dev, pm_message_t state)
 	}
 	rdev = dev->dev_private;
 
+	if (rdev->powered_down)
+		return 0;
 	/* unpin the front buffers */
 	list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
 		struct radeon_framebuffer *rfb = to_radeon_framebuffer(crtc->fb);
@@ -791,6 +712,9 @@ int radeon_resume_kms(struct drm_device *dev)
 {
 	struct radeon_device *rdev = dev->dev_private;
 
+	if (rdev->powered_down)
+		return 0;
+
 	acquire_console_sem();
 	pci_set_power_state(dev->pdev, PCI_D0);
 	pci_restore_state(dev->pdev);
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 7e17a362b54b..b8d672828246 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -68,6 +68,36 @@ static void avivo_crtc_load_lut(struct drm_crtc *crtc)
 	WREG32(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, radeon_crtc->crtc_id);
 }
 
+static void evergreen_crtc_load_lut(struct drm_crtc *crtc)
+{
+	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+	struct drm_device *dev = crtc->dev;
+	struct radeon_device *rdev = dev->dev_private;
+	int i;
+
+	DRM_DEBUG("%d\n", radeon_crtc->crtc_id);
+	WREG32(EVERGREEN_DC_LUT_CONTROL + radeon_crtc->crtc_offset, 0);
+
+	WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0);
+	WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0);
+	WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0);
+
+	WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0xffff);
+	WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff);
+	WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff);
+
+	WREG32(EVERGREEN_DC_LUT_RW_MODE, radeon_crtc->crtc_id);
+	WREG32(EVERGREEN_DC_LUT_WRITE_EN_MASK, 0x00000007);
+
+	WREG32(EVERGREEN_DC_LUT_RW_INDEX, 0);
+	for (i = 0; i < 256; i++) {
+		WREG32(EVERGREEN_DC_LUT_30_COLOR,
+		       (radeon_crtc->lut_r[i] << 20) |
+		       (radeon_crtc->lut_g[i] << 10) |
+		       (radeon_crtc->lut_b[i] << 0));
+	}
+}
+
 static void legacy_crtc_load_lut(struct drm_crtc *crtc)
 {
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
@@ -100,7 +130,9 @@ void radeon_crtc_load_lut(struct drm_crtc *crtc)
 	if (!crtc->enabled)
 		return;
 
-	if (ASIC_IS_AVIVO(rdev))
+	if (ASIC_IS_DCE4(rdev))
+		evergreen_crtc_load_lut(crtc);
+	else if (ASIC_IS_AVIVO(rdev))
 		avivo_crtc_load_lut(crtc);
 	else
 		legacy_crtc_load_lut(crtc);
@@ -336,10 +368,9 @@ static bool radeon_setup_enc_conn(struct drm_device *dev)
 
 	if (rdev->bios) {
 		if (rdev->is_atom_bios) {
-			if (rdev->family >= CHIP_R600)
+			ret = radeon_get_atom_connector_info_from_supported_devices_table(dev);
+			if (ret == false)
 				ret = radeon_get_atom_connector_info_from_object_table(dev);
-			else
-				ret = radeon_get_atom_connector_info_from_supported_devices_table(dev);
 		} else {
 			ret = radeon_get_legacy_connector_info_from_bios(dev);
 			if (ret == false)
@@ -361,6 +392,8 @@ static bool radeon_setup_enc_conn(struct drm_device *dev)
 
 int radeon_ddc_get_modes(struct radeon_connector *radeon_connector)
 {
+	struct drm_device *dev = radeon_connector->base.dev;
+	struct radeon_device *rdev = dev->dev_private;
 	int ret = 0;
 
 	if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) ||
@@ -373,11 +406,11 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector)
 	if (!radeon_connector->ddc_bus)
 		return -1;
 	if (!radeon_connector->edid) {
-		radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 		radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter);
-		radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 	}
-
+	/* some servers provide a hardcoded edid in rom for KVMs */
+	if (!radeon_connector->edid)
+		radeon_connector->edid = radeon_combios_get_hardcoded_edid(rdev);
 	if (radeon_connector->edid) {
 		drm_mode_connector_update_edid_property(&radeon_connector->base, radeon_connector->edid);
 		ret = drm_add_edid_modes(&radeon_connector->base, radeon_connector->edid);
@@ -395,9 +428,7 @@ static int radeon_ddc_dump(struct drm_connector *connector)
 
 	if (!radeon_connector->ddc_bus)
 		return -1;
-	radeon_i2c_do_lock(radeon_connector->ddc_bus, 1);
 	edid = drm_get_edid(connector, &radeon_connector->ddc_bus->adapter);
-	radeon_i2c_do_lock(radeon_connector->ddc_bus, 0);
 	if (edid) {
 		kfree(edid);
 	}
@@ -414,13 +445,13 @@ static inline uint32_t radeon_div(uint64_t n, uint32_t d)
 	return n;
 }
 
-void radeon_compute_pll(struct radeon_pll *pll,
-			uint64_t freq,
-			uint32_t *dot_clock_p,
-			uint32_t *fb_div_p,
-			uint32_t *frac_fb_div_p,
-			uint32_t *ref_div_p,
-			uint32_t *post_div_p)
+static void radeon_compute_pll_legacy(struct radeon_pll *pll,
+				      uint64_t freq,
+				      uint32_t *dot_clock_p,
+				      uint32_t *fb_div_p,
+				      uint32_t *frac_fb_div_p,
+				      uint32_t *ref_div_p,
+				      uint32_t *post_div_p)
 {
 	uint32_t min_ref_div = pll->min_ref_div;
 	uint32_t max_ref_div = pll->max_ref_div;
@@ -437,10 +468,19 @@ void radeon_compute_pll(struct radeon_pll *pll,
 	uint32_t best_error = 0xffffffff;
 	uint32_t best_vco_diff = 1;
 	uint32_t post_div;
+	u32 pll_out_min, pll_out_max;
 
 	DRM_DEBUG("PLL freq %llu %u %u\n", freq, pll->min_ref_div, pll->max_ref_div);
 	freq = freq * 1000;
 
+	if (pll->flags & RADEON_PLL_IS_LCD) {
+		pll_out_min = pll->lcd_pll_out_min;
+		pll_out_max = pll->lcd_pll_out_max;
+	} else {
+		pll_out_min = pll->pll_out_min;
+		pll_out_max = pll->pll_out_max;
+	}
+
 	if (pll->flags & RADEON_PLL_USE_REF_DIV)
 		min_ref_div = max_ref_div = pll->reference_div;
 	else {
@@ -504,10 +544,10 @@ void radeon_compute_pll(struct radeon_pll *pll,
 				tmp = (uint64_t)pll->reference_freq * feedback_div;
 				vco = radeon_div(tmp, ref_div);
 
-				if (vco < pll->pll_out_min) {
+				if (vco < pll_out_min) {
 					min_feed_div = feedback_div + 1;
 					continue;
-				} else if (vco > pll->pll_out_max) {
+				} else if (vco > pll_out_max) {
 					max_feed_div = feedback_div;
 					continue;
 				}
@@ -580,95 +620,212 @@ void radeon_compute_pll(struct radeon_pll *pll,
 	*post_div_p = best_post_div;
 }
 
-void radeon_compute_pll_avivo(struct radeon_pll *pll,
-			      uint64_t freq,
-			      uint32_t *dot_clock_p,
-			      uint32_t *fb_div_p,
-			      uint32_t *frac_fb_div_p,
-			      uint32_t *ref_div_p,
-			      uint32_t *post_div_p)
+static bool
+calc_fb_div(struct radeon_pll *pll,
+	    uint32_t freq,
+            uint32_t post_div,
+            uint32_t ref_div,
+            uint32_t *fb_div,
+            uint32_t *fb_div_frac)
 {
-	fixed20_12 m, n, frac_n, p, f_vco, f_pclk, best_freq;
-	fixed20_12 pll_out_max, pll_out_min;
-	fixed20_12 pll_in_max, pll_in_min;
-	fixed20_12 reference_freq;
-	fixed20_12 error, ffreq, a, b;
-
-	pll_out_max.full = rfixed_const(pll->pll_out_max);
-	pll_out_min.full = rfixed_const(pll->pll_out_min);
-	pll_in_max.full = rfixed_const(pll->pll_in_max);
-	pll_in_min.full = rfixed_const(pll->pll_in_min);
-	reference_freq.full = rfixed_const(pll->reference_freq);
-	do_div(freq, 10);
+	fixed20_12 feedback_divider, a, b;
+	u32 vco_freq;
+
+	vco_freq = freq * post_div;
+	/* feedback_divider = vco_freq * ref_div / pll->reference_freq; */
+	a.full = rfixed_const(pll->reference_freq);
+	feedback_divider.full = rfixed_const(vco_freq);
+	feedback_divider.full = rfixed_div(feedback_divider, a);
+	a.full = rfixed_const(ref_div);
+	feedback_divider.full = rfixed_mul(feedback_divider, a);
+
+	if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) {
+		/* feedback_divider = floor((feedback_divider * 10.0) + 0.5) * 0.1; */
+		a.full = rfixed_const(10);
+		feedback_divider.full = rfixed_mul(feedback_divider, a);
+		feedback_divider.full += rfixed_const_half(0);
+		feedback_divider.full = rfixed_floor(feedback_divider);
+		feedback_divider.full = rfixed_div(feedback_divider, a);
+
+		/* *fb_div = floor(feedback_divider); */
+		a.full = rfixed_floor(feedback_divider);
+		*fb_div = rfixed_trunc(a);
+		/* *fb_div_frac = fmod(feedback_divider, 1.0) * 10.0; */
+		a.full = rfixed_const(10);
+		b.full = rfixed_mul(feedback_divider, a);
+
+		feedback_divider.full = rfixed_floor(feedback_divider);
+		feedback_divider.full = rfixed_mul(feedback_divider, a);
+		feedback_divider.full = b.full - feedback_divider.full;
+		*fb_div_frac = rfixed_trunc(feedback_divider);
+	} else {
+		/* *fb_div = floor(feedback_divider + 0.5); */
+		feedback_divider.full += rfixed_const_half(0);
+		feedback_divider.full = rfixed_floor(feedback_divider);
+
+		*fb_div = rfixed_trunc(feedback_divider);
+		*fb_div_frac = 0;
+	}
+
+	if (((*fb_div) < pll->min_feedback_div) || ((*fb_div) > pll->max_feedback_div))
+		return false;
+	else
+		return true;
+}
+
+static bool
+calc_fb_ref_div(struct radeon_pll *pll,
+		uint32_t freq,
+		uint32_t post_div,
+		uint32_t *fb_div,
+                uint32_t *fb_div_frac,
+                uint32_t *ref_div)
+{
+	fixed20_12 ffreq, max_error, error, pll_out, a;
+	u32 vco;
+	u32 pll_out_min, pll_out_max;
+
+	if (pll->flags & RADEON_PLL_IS_LCD) {
+		pll_out_min = pll->lcd_pll_out_min;
+		pll_out_max = pll->lcd_pll_out_max;
+	} else {
+		pll_out_min = pll->pll_out_min;
+		pll_out_max = pll->pll_out_max;
+	}
+
 	ffreq.full = rfixed_const(freq);
-	error.full = rfixed_const(100 * 100);
+	/* max_error = ffreq * 0.0025; */
+	a.full = rfixed_const(400);
+	max_error.full = rfixed_div(ffreq, a);
 
-	/* max p */
-	p.full = rfixed_div(pll_out_max, ffreq);
-	p.full = rfixed_floor(p);
+	for ((*ref_div) = pll->min_ref_div; (*ref_div) < pll->max_ref_div; ++(*ref_div)) {
+		if (calc_fb_div(pll, freq, post_div, (*ref_div), fb_div, fb_div_frac)) {
+			vco = pll->reference_freq * (((*fb_div) * 10) + (*fb_div_frac));
+			vco = vco / ((*ref_div) * 10);
 
-	/* min m */
-	m.full = rfixed_div(reference_freq, pll_in_max);
-	m.full = rfixed_ceil(m);
+			if ((vco < pll_out_min) || (vco > pll_out_max))
+				continue;
 
-	while (1) {
-		n.full = rfixed_div(ffreq, reference_freq);
-		n.full = rfixed_mul(n, m);
-		n.full = rfixed_mul(n, p);
+			/* pll_out = vco / post_div; */
+			a.full = rfixed_const(post_div);
+			pll_out.full = rfixed_const(vco);
+			pll_out.full = rfixed_div(pll_out, a);
 
-		f_vco.full = rfixed_div(n, m);
-		f_vco.full = rfixed_mul(f_vco, reference_freq);
+			if (pll_out.full >= ffreq.full) {
+				error.full = pll_out.full - ffreq.full;
+				if (error.full <= max_error.full)
+					return true;
+			}
+		}
+	}
+	return false;
+}
 
-		f_pclk.full = rfixed_div(f_vco, p);
+static void radeon_compute_pll_new(struct radeon_pll *pll,
+				   uint64_t freq,
+				   uint32_t *dot_clock_p,
+				   uint32_t *fb_div_p,
+				   uint32_t *frac_fb_div_p,
+				   uint32_t *ref_div_p,
+				   uint32_t *post_div_p)
+{
+	u32 fb_div = 0, fb_div_frac = 0, post_div = 0, ref_div = 0;
+	u32 best_freq = 0, vco_frequency;
+	u32 pll_out_min, pll_out_max;
 
-		if (f_pclk.full > ffreq.full)
-			error.full = f_pclk.full - ffreq.full;
-		else
-			error.full = ffreq.full - f_pclk.full;
-		error.full = rfixed_div(error, f_pclk);
-		a.full = rfixed_const(100 * 100);
-		error.full = rfixed_mul(error, a);
-
-		a.full = rfixed_mul(m, p);
-		a.full = rfixed_div(n, a);
-		best_freq.full = rfixed_mul(reference_freq, a);
-
-		if (rfixed_trunc(error) < 25)
-			break;
-
-		a.full = rfixed_const(1);
-		m.full = m.full + a.full;
-		a.full = rfixed_div(reference_freq, m);
-		if (a.full >= pll_in_min.full)
-			continue;
+	if (pll->flags & RADEON_PLL_IS_LCD) {
+		pll_out_min = pll->lcd_pll_out_min;
+		pll_out_max = pll->lcd_pll_out_max;
+	} else {
+		pll_out_min = pll->pll_out_min;
+		pll_out_max = pll->pll_out_max;
+	}
 
-		m.full = rfixed_div(reference_freq, pll_in_max);
-		m.full = rfixed_ceil(m);
-		a.full= rfixed_const(1);
-		p.full = p.full - a.full;
-		a.full = rfixed_mul(p, ffreq);
-		if (a.full >= pll_out_min.full)
-			continue;
-		else {
-			DRM_ERROR("Unable to find pll dividers\n");
-			break;
+	/* freq = freq / 10; */
+	do_div(freq, 10);
+
+	if (pll->flags & RADEON_PLL_USE_POST_DIV) {
+		post_div = pll->post_div;
+		if ((post_div < pll->min_post_div) || (post_div > pll->max_post_div))
+			goto done;
+
+		vco_frequency = freq * post_div;
+		if ((vco_frequency < pll_out_min) || (vco_frequency > pll_out_max))
+			goto done;
+
+		if (pll->flags & RADEON_PLL_USE_REF_DIV) {
+			ref_div = pll->reference_div;
+			if ((ref_div < pll->min_ref_div) || (ref_div > pll->max_ref_div))
+				goto done;
+			if (!calc_fb_div(pll, freq, post_div, ref_div, &fb_div, &fb_div_frac))
+				goto done;
+		}
+	} else {
+		for (post_div = pll->max_post_div; post_div >= pll->min_post_div; --post_div) {
+			if (pll->flags & RADEON_PLL_LEGACY) {
+				if ((post_div == 5) ||
+				    (post_div == 7) ||
+				    (post_div == 9) ||
+				    (post_div == 10) ||
+				    (post_div == 11))
+					continue;
+			}
+
+			if ((pll->flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1))
+				continue;
+
+			vco_frequency = freq * post_div;
+			if ((vco_frequency < pll_out_min) || (vco_frequency > pll_out_max))
+				continue;
+			if (pll->flags & RADEON_PLL_USE_REF_DIV) {
+				ref_div = pll->reference_div;
+				if ((ref_div < pll->min_ref_div) || (ref_div > pll->max_ref_div))
+					goto done;
+				if (calc_fb_div(pll, freq, post_div, ref_div, &fb_div, &fb_div_frac))
+					break;
+			} else {
+				if (calc_fb_ref_div(pll, freq, post_div, &fb_div, &fb_div_frac, &ref_div))
+					break;
+			}
 		}
 	}
 
-	a.full = rfixed_const(10);
-	b.full = rfixed_mul(n, a);
+	best_freq = pll->reference_freq * 10 * fb_div;
+	best_freq += pll->reference_freq * fb_div_frac;
+	best_freq = best_freq / (ref_div * post_div);
 
-	frac_n.full = rfixed_floor(n);
-	frac_n.full = rfixed_mul(frac_n, a);
-	frac_n.full = b.full - frac_n.full;
+done:
+	if (best_freq == 0)
+		DRM_ERROR("Couldn't find valid PLL dividers\n");
 
-	*dot_clock_p = rfixed_trunc(best_freq);
-	*fb_div_p = rfixed_trunc(n);
-	*frac_fb_div_p = rfixed_trunc(frac_n);
-	*ref_div_p = rfixed_trunc(m);
-	*post_div_p = rfixed_trunc(p);
+	*dot_clock_p = best_freq / 10;
+	*fb_div_p = fb_div;
+	*frac_fb_div_p = fb_div_frac;
+	*ref_div_p = ref_div;
+	*post_div_p = post_div;
 
-	DRM_DEBUG("%u %d.%d, %d, %d\n", *dot_clock_p * 10, *fb_div_p, *frac_fb_div_p, *ref_div_p, *post_div_p);
+	DRM_DEBUG("%u %d.%d, %d, %d\n", *dot_clock_p, *fb_div_p, *frac_fb_div_p, *ref_div_p, *post_div_p);
+}
+
+void radeon_compute_pll(struct radeon_pll *pll,
+			uint64_t freq,
+			uint32_t *dot_clock_p,
+			uint32_t *fb_div_p,
+			uint32_t *frac_fb_div_p,
+			uint32_t *ref_div_p,
+			uint32_t *post_div_p)
+{
+	switch (pll->algo) {
+	case PLL_ALGO_NEW:
+		radeon_compute_pll_new(pll, freq, dot_clock_p, fb_div_p,
+				       frac_fb_div_p, ref_div_p, post_div_p);
+		break;
+	case PLL_ALGO_LEGACY:
+	default:
+		radeon_compute_pll_legacy(pll, freq, dot_clock_p, fb_div_p,
+					  frac_fb_div_p, ref_div_p, post_div_p);
+		break;
+	}
 }
 
 static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb)
@@ -679,11 +836,8 @@ static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb)
 	if (fb->fbdev)
 		radeonfb_remove(dev, fb);
 
-	if (radeon_fb->obj) {
-		mutex_lock(&dev->struct_mutex);
-		drm_gem_object_unreference(radeon_fb->obj);
-		mutex_unlock(&dev->struct_mutex);
-	}
+	if (radeon_fb->obj)
+		drm_gem_object_unreference_unlocked(radeon_fb->obj);
 	drm_framebuffer_cleanup(fb);
 	kfree(radeon_fb);
 }
@@ -817,9 +971,26 @@ static int radeon_modeset_create_props(struct radeon_device *rdev)
 	return 0;
 }
 
+void radeon_update_display_priority(struct radeon_device *rdev)
+{
+	/* adjustment options for the display watermarks */
+	if ((radeon_disp_priority == 0) || (radeon_disp_priority > 2)) {
+		/* set display priority to high for r3xx, rv515 chips
+		 * this avoids flickering due to underflow to the
+		 * display controllers during heavy acceleration.
+		 */
+		if (ASIC_IS_R300(rdev) || (rdev->family == CHIP_RV515))
+			rdev->disp_priority = 2;
+		else
+			rdev->disp_priority = 0;
+	} else
+		rdev->disp_priority = radeon_disp_priority;
+
+}
+
 int radeon_modeset_init(struct radeon_device *rdev)
 {
-	int num_crtc = 2, i;
+	int i;
 	int ret;
 
 	drm_mode_config_init(rdev->ddev);
@@ -842,11 +1013,14 @@ int radeon_modeset_init(struct radeon_device *rdev)
 		return ret;
 	}
 
-	if (rdev->flags & RADEON_SINGLE_CRTC)
-		num_crtc = 1;
+	/* check combios for a valid hardcoded EDID - Sun servers */
+	if (!rdev->is_atom_bios) {
+		/* check for hardcoded EDID in BIOS */
+		radeon_combios_check_hardcoded_edid(rdev);
+	}
 
 	/* allocate crtcs */
-	for (i = 0; i < num_crtc; i++) {
+	for (i = 0; i < rdev->num_crtc; i++) {
 		radeon_crtc_init(rdev->ddev, i);
 	}
 
@@ -863,6 +1037,8 @@ int radeon_modeset_init(struct radeon_device *rdev)
 
 void radeon_modeset_fini(struct radeon_device *rdev)
 {
+	kfree(rdev->mode_info.bios_hardcoded_edid);
+
 	if (rdev->mode_info.mode_config_initialized) {
 		radeon_hpd_fini(rdev);
 		drm_mode_config_cleanup(rdev->ddev);
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 8ba3de7994d4..055a51732dcb 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -40,9 +40,12 @@
 
 /*
  * KMS wrapper.
+ * - 2.0.0 - initial interface
+ * - 2.1.0 - add square tiling interface
+ * - 2.2.0 - add r6xx/r7xx const buffer support
  */
 #define KMS_DRIVER_MAJOR	2
-#define KMS_DRIVER_MINOR	0
+#define KMS_DRIVER_MINOR	2
 #define KMS_DRIVER_PATCHLEVEL	0
 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
 int radeon_driver_unload_kms(struct drm_device *dev);
@@ -86,8 +89,11 @@ int radeon_benchmarking = 0;
 int radeon_testing = 0;
 int radeon_connector_table = 0;
 int radeon_tv = 1;
-int radeon_new_pll = 1;
+int radeon_new_pll = -1;
+int radeon_dynpm = -1;
 int radeon_audio = 1;
+int radeon_disp_priority = 0;
+int radeon_hw_i2c = 0;
 
 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
 module_param_named(no_wb, radeon_no_wb, int, 0444);
@@ -122,12 +128,21 @@ module_param_named(connector_table, radeon_connector_table, int, 0444);
 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
 module_param_named(tv, radeon_tv, int, 0444);
 
-MODULE_PARM_DESC(new_pll, "Select new PLL code for AVIVO chips");
+MODULE_PARM_DESC(new_pll, "Select new PLL code");
 module_param_named(new_pll, radeon_new_pll, int, 0444);
 
+MODULE_PARM_DESC(dynpm, "Disable/Enable dynamic power management (1 = enable)");
+module_param_named(dynpm, radeon_dynpm, int, 0444);
+
 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
 module_param_named(audio, radeon_audio, int, 0444);
 
+MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
+module_param_named(disp_priority, radeon_disp_priority, int, 0444);
+
+MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
+module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
+
 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
 {
 	drm_radeon_private_t *dev_priv = dev->dev_private;
@@ -339,6 +354,7 @@ static int __init radeon_init(void)
 		driver = &kms_driver;
 		driver->driver_features |= DRIVER_MODESET;
 		driver->num_ioctls = radeon_max_kms_ioctl;
+		radeon_register_atpx_handler();
 	}
 	/* if the vga console setting is enabled still
 	 * let modprobe override it */
@@ -348,6 +364,7 @@ static int __init radeon_init(void)
 static void __exit radeon_exit(void)
 {
 	drm_exit(driver);
+	radeon_unregister_atpx_handler();
 }
 
 module_init(radeon_init);
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index c57ad606504d..448eba89d1e6 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -107,9 +107,10 @@
  * 1.30- Add support for occlusion queries
  * 1.31- Add support for num Z pipes from GET_PARAM
  * 1.32- fixes for rv740 setup
+ * 1.33- Add r6xx/r7xx const buffer support
  */
 #define DRIVER_MAJOR		1
-#define DRIVER_MINOR		32
+#define DRIVER_MINOR		33
 #define DRIVER_PATCHLEVEL	0
 
 enum radeon_cp_microcode_version {
@@ -268,6 +269,8 @@ typedef struct drm_radeon_private {
 
 	u32 scratch_ages[5];
 
+	int have_z_offset;
+
 	/* starting from here on, data is preserved accross an open */
 	uint32_t flags;		/* see radeon_chip_flags */
 	resource_size_t fb_aper_offset;
@@ -295,6 +298,9 @@ typedef struct drm_radeon_private {
 	int r700_sc_prim_fifo_size;
 	int r700_sc_hiz_tile_fifo_size;
 	int r700_sc_earlyz_tile_fifo_fize;
+	int r600_group_size;
+	int r600_npipes;
+	int r600_nbanks;
 
 	struct mutex cs_mutex;
 	u32 cs_id_scnt;
@@ -310,9 +316,11 @@ typedef struct drm_radeon_buf_priv {
 	u32 age;
 } drm_radeon_buf_priv_t;
 
+struct drm_buffer;
+
 typedef struct drm_radeon_kcmd_buffer {
 	int bufsz;
-	char *buf;
+	struct drm_buffer *buffer;
 	int nbox;
 	struct drm_clip_rect __user *boxes;
 } drm_radeon_kcmd_buffer_t;
@@ -455,6 +463,15 @@ extern void r600_blit_swap(struct drm_device *dev,
 			   int sx, int sy, int dx, int dy,
 			   int w, int h, int src_pitch, int dst_pitch, int cpp);
 
+/* atpx handler */
+#if defined(CONFIG_VGA_SWITCHEROO)
+void radeon_register_atpx_handler(void);
+void radeon_unregister_atpx_handler(void);
+#else
+static inline void radeon_register_atpx_handler(void) {}
+static inline void radeon_unregister_atpx_handler(void) {}
+#endif
+
 /* Flags for stats.boxes
  */
 #define RADEON_BOX_DMA_IDLE      0x1
@@ -2122,4 +2139,32 @@ extern void radeon_commit_ring(drm_radeon_private_t *dev_priv);
 	write &= mask;						\
 } while (0)
 
+/**
+ * Copy given number of dwords from drm buffer to the ring buffer.
+ */
+#define OUT_RING_DRM_BUFFER(buf, sz) do {				\
+	int _size = (sz) * 4;						\
+	struct drm_buffer *_buf = (buf);				\
+	int _part_size;							\
+	while (_size > 0) {						\
+		_part_size = _size;					\
+									\
+		if (write + _part_size/4 > mask)			\
+			_part_size = ((mask + 1) - write)*4;		\
+									\
+		if (drm_buffer_index(_buf) + _part_size > PAGE_SIZE)	\
+			_part_size = PAGE_SIZE - drm_buffer_index(_buf);\
+									\
+									\
+									\
+		memcpy(ring + write, &_buf->data[drm_buffer_page(_buf)]	\
+			[drm_buffer_index(_buf)], _part_size);		\
+									\
+		_size -= _part_size;					\
+		write = (write + _part_size/4) & mask;			\
+		drm_buffer_advance(_buf, _part_size);			\
+	}								\
+} while (0)
+
+
 #endif				/* __RADEON_DRV_H__ */
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 3c91724457ca..52d6f96f274b 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -53,7 +53,7 @@ static uint32_t radeon_encoder_clones(struct drm_encoder *encoder)
 	/* DVO requires 2x ppll clocks depending on tmds chip */
 	if (radeon_encoder->devices & ATOM_DEVICE_DFP2_SUPPORT)
 		return index_mask;
-	
+
 	count = -1;
 	list_for_each_entry(clone_encoder, &dev->mode_config.encoder_list, head) {
 		struct radeon_encoder *radeon_clone = to_radeon_encoder(clone_encoder);
@@ -228,6 +228,32 @@ radeon_get_connector_for_encoder(struct drm_encoder *encoder)
 	return NULL;
 }
 
+static struct radeon_connector_atom_dig *
+radeon_get_atom_connector_priv_from_encoder(struct drm_encoder *encoder)
+{
+	struct drm_device *dev = encoder->dev;
+	struct radeon_device *rdev = dev->dev_private;
+	struct drm_connector *connector;
+	struct radeon_connector *radeon_connector;
+	struct radeon_connector_atom_dig *dig_connector;
+
+	if (!rdev->is_atom_bios)
+		return NULL;
+
+	connector = radeon_get_connector_for_encoder(encoder);
+	if (!connector)
+		return NULL;
+
+	radeon_connector = to_radeon_connector(connector);
+
+	if (!radeon_connector->con_priv)
+		return NULL;
+
+	dig_connector = radeon_connector->con_priv;
+
+	return dig_connector;
+}
+
 static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
 				   struct drm_display_mode *mode,
 				   struct drm_display_mode *adjusted_mode)
@@ -236,6 +262,9 @@ static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 
+	/* adjust pm to upcoming mode change */
+	radeon_pm_compute_clocks(rdev);
+
 	/* set the active encoder to connector routing */
 	radeon_encoder_set_active_device(encoder);
 	drm_mode_set_crtcinfo(adjusted_mode, 0);
@@ -273,7 +302,7 @@ static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
 	}
 
 	if (ASIC_IS_DCE3(rdev) &&
-	    (radeon_encoder->active_device & (ATOM_DEVICE_DFP_SUPPORT))) {
+	    (radeon_encoder->active_device & (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT))) {
 		struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 		radeon_dp_set_link_config(connector, mode);
 	}
@@ -458,34 +487,20 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+	struct radeon_connector_atom_dig *dig_connector =
+		radeon_get_atom_connector_priv_from_encoder(encoder);
 	union lvds_encoder_control args;
 	int index = 0;
 	int hdmi_detected = 0;
 	uint8_t frev, crev;
-	struct radeon_encoder_atom_dig *dig;
-	struct drm_connector *connector;
-	struct radeon_connector *radeon_connector;
-	struct radeon_connector_atom_dig *dig_connector;
 
-	connector = radeon_get_connector_for_encoder(encoder);
-	if (!connector)
+	if (!dig || !dig_connector)
 		return;
 
-	radeon_connector = to_radeon_connector(connector);
-
-	if (!radeon_encoder->enc_priv)
-		return;
-
-	dig = radeon_encoder->enc_priv;
-
-	if (!radeon_connector->con_priv)
-		return;
-
-	if (drm_detect_hdmi_monitor(radeon_connector->edid))
+	if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
 		hdmi_detected = 1;
 
-	dig_connector = radeon_connector->con_priv;
-
 	memset(&args, 0, sizeof(args));
 
 	switch (radeon_encoder->encoder_id) {
@@ -504,7 +519,8 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
 		break;
 	}
 
-	atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev);
+	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
+		return;
 
 	switch (frev) {
 	case 1:
@@ -578,7 +594,6 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
 	}
 
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
-	r600_hdmi_enable(encoder, hdmi_detected);
 }
 
 int
@@ -586,7 +601,7 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
 {
 	struct drm_connector *connector;
 	struct radeon_connector *radeon_connector;
-	struct radeon_connector_atom_dig *radeon_dig_connector;
+	struct radeon_connector_atom_dig *dig_connector;
 
 	connector = radeon_get_connector_for_encoder(encoder);
 	if (!connector)
@@ -617,9 +632,9 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
 		break;
 	case DRM_MODE_CONNECTOR_DisplayPort:
 	case DRM_MODE_CONNECTOR_eDP:
-		radeon_dig_connector = radeon_connector->con_priv;
-		if ((radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
-		    (radeon_dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
+		dig_connector = radeon_connector->con_priv;
+		if ((dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT) ||
+		    (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
 			return ATOM_ENCODER_MODE_DP;
 		else if (drm_detect_hdmi_monitor(radeon_connector->edid))
 			return ATOM_ENCODER_MODE_HDMI;
@@ -656,6 +671,18 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
  * - 2 DIG encoder blocks.
  * DIG1/2 can drive UNIPHY0/1/2 link A or link B
  *
+ * DCE 4.0
+ * - 3 DIG transmitter blocks UNPHY0/1/2 (links A and B).
+ * Supports up to 6 digital outputs
+ * - 6 DIG encoder blocks.
+ * - DIG to PHY mapping is hardcoded
+ * DIG1 drives UNIPHY0 link A, A+B
+ * DIG2 drives UNIPHY0 link B
+ * DIG3 drives UNIPHY1 link A, A+B
+ * DIG4 drives UNIPHY1 link B
+ * DIG5 drives UNIPHY2 link A, A+B
+ * DIG6 drives UNIPHY2 link B
+ *
  * Routing
  * crtc -> dig encoder -> UNIPHY/LVTMA (1 or 2 links)
  * Examples:
@@ -664,88 +691,78 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
  * crtc0 -> dig1 -> UNIPHY2 link  A   -> LVDS
  * crtc1 -> dig2 -> UNIPHY1 link  B+A -> TMDS/HDMI
  */
-static void
+
+union dig_encoder_control {
+	DIG_ENCODER_CONTROL_PS_ALLOCATION v1;
+	DIG_ENCODER_CONTROL_PARAMETERS_V2 v2;
+	DIG_ENCODER_CONTROL_PARAMETERS_V3 v3;
+};
+
+void
 atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
 {
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
-	DIG_ENCODER_CONTROL_PS_ALLOCATION args;
-	int index = 0, num = 0;
+	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+	struct radeon_connector_atom_dig *dig_connector =
+		radeon_get_atom_connector_priv_from_encoder(encoder);
+	union dig_encoder_control args;
+	int index = 0;
 	uint8_t frev, crev;
-	struct radeon_encoder_atom_dig *dig;
-	struct drm_connector *connector;
-	struct radeon_connector *radeon_connector;
-	struct radeon_connector_atom_dig *dig_connector;
 
-	connector = radeon_get_connector_for_encoder(encoder);
-	if (!connector)
+	if (!dig || !dig_connector)
 		return;
 
-	radeon_connector = to_radeon_connector(connector);
-
-	if (!radeon_connector->con_priv)
-		return;
+	memset(&args, 0, sizeof(args));
 
-	dig_connector = radeon_connector->con_priv;
+	if (ASIC_IS_DCE4(rdev))
+		index = GetIndexIntoMasterTable(COMMAND, DIGxEncoderControl);
+	else {
+		if (dig->dig_encoder)
+			index = GetIndexIntoMasterTable(COMMAND, DIG2EncoderControl);
+		else
+			index = GetIndexIntoMasterTable(COMMAND, DIG1EncoderControl);
+	}
 
-	if (!radeon_encoder->enc_priv)
+	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
 		return;
 
-	dig = radeon_encoder->enc_priv;
-
-	memset(&args, 0, sizeof(args));
+	args.v1.ucAction = action;
+	args.v1.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
+	args.v1.ucEncoderMode = atombios_get_encoder_mode(encoder);
 
-	if (dig->dig_encoder)
-		index = GetIndexIntoMasterTable(COMMAND, DIG2EncoderControl);
+	if (args.v1.ucEncoderMode == ATOM_ENCODER_MODE_DP) {
+		if (dig_connector->dp_clock == 270000)
+			args.v1.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
+		args.v1.ucLaneNum = dig_connector->dp_lane_count;
+	} else if (radeon_encoder->pixel_clock > 165000)
+		args.v1.ucLaneNum = 8;
 	else
-		index = GetIndexIntoMasterTable(COMMAND, DIG1EncoderControl);
-	num = dig->dig_encoder + 1;
+		args.v1.ucLaneNum = 4;
 
-	atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev);
-
-	args.ucAction = action;
-	args.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
-
-	if (ASIC_IS_DCE32(rdev)) {
+	if (ASIC_IS_DCE4(rdev)) {
+		args.v3.acConfig.ucDigSel = dig->dig_encoder;
+		args.v3.ucBitPerColor = PANEL_8BIT_PER_COLOR;
+	} else {
 		switch (radeon_encoder->encoder_id) {
 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
-			args.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER1;
+			args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER1;
 			break;
 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
-			args.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER2;
+		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
+			args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER2;
 			break;
 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
-			args.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER3;
-			break;
-		}
-	} else {
-		switch (radeon_encoder->encoder_id) {
-		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
-			args.ucConfig = ATOM_ENCODER_CONFIG_TRANSMITTER1;
-			break;
-		case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
-			args.ucConfig = ATOM_ENCODER_CONFIG_TRANSMITTER2;
+			args.v1.ucConfig = ATOM_ENCODER_CONFIG_V2_TRANSMITTER3;
 			break;
 		}
+		if (dig_connector->linkb)
+			args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKB;
+		else
+			args.v1.ucConfig |= ATOM_ENCODER_CONFIG_LINKA;
 	}
 
-	args.ucEncoderMode = atombios_get_encoder_mode(encoder);
-
-	if (args.ucEncoderMode == ATOM_ENCODER_MODE_DP) {
-		if (dig_connector->dp_clock == 270000)
-			args.ucConfig |= ATOM_ENCODER_CONFIG_DPLINKRATE_2_70GHZ;
-		args.ucLaneNum = dig_connector->dp_lane_count;
-	} else if (radeon_encoder->pixel_clock > 165000)
-		args.ucLaneNum = 8;
-	else
-		args.ucLaneNum = 4;
-
-	if (dig_connector->linkb)
-		args.ucConfig |= ATOM_ENCODER_CONFIG_LINKB;
-	else
-		args.ucConfig |= ATOM_ENCODER_CONFIG_LINKA;
-
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 
 }
@@ -753,6 +770,7 @@ atombios_dig_encoder_setup(struct drm_encoder *encoder, int action)
 union dig_transmitter_control {
 	DIG_TRANSMITTER_CONTROL_PS_ALLOCATION v1;
 	DIG_TRANSMITTER_CONTROL_PARAMETERS_V2 v2;
+	DIG_TRANSMITTER_CONTROL_PARAMETERS_V3 v3;
 };
 
 void
@@ -761,37 +779,29 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
-	union dig_transmitter_control args;
-	int index = 0, num = 0;
-	uint8_t frev, crev;
-	struct radeon_encoder_atom_dig *dig;
+	struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+	struct radeon_connector_atom_dig *dig_connector =
+		radeon_get_atom_connector_priv_from_encoder(encoder);
 	struct drm_connector *connector;
 	struct radeon_connector *radeon_connector;
-	struct radeon_connector_atom_dig *dig_connector;
+	union dig_transmitter_control args;
+	int index = 0;
+	uint8_t frev, crev;
 	bool is_dp = false;
+	int pll_id = 0;
 
-	connector = radeon_get_connector_for_encoder(encoder);
-	if (!connector)
+	if (!dig || !dig_connector)
 		return;
 
+	connector = radeon_get_connector_for_encoder(encoder);
 	radeon_connector = to_radeon_connector(connector);
 
-	if (!radeon_encoder->enc_priv)
-		return;
-
-	dig = radeon_encoder->enc_priv;
-
-	if (!radeon_connector->con_priv)
-		return;
-
-	dig_connector = radeon_connector->con_priv;
-
 	if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_DP)
 		is_dp = true;
 
 	memset(&args, 0, sizeof(args));
 
-	if (ASIC_IS_DCE32(rdev))
+	if (ASIC_IS_DCE32(rdev) || ASIC_IS_DCE4(rdev))
 		index = GetIndexIntoMasterTable(COMMAND, UNIPHYTransmitterControl);
 	else {
 		switch (radeon_encoder->encoder_id) {
@@ -804,7 +814,8 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
 		}
 	}
 
-	atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev);
+	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
+		return;
 
 	args.v1.ucAction = action;
 	if (action == ATOM_TRANSMITTER_ACTION_INIT) {
@@ -821,24 +832,64 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
 		else
 			args.v1.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
 	}
-	if (ASIC_IS_DCE32(rdev)) {
-		if (dig->dig_encoder == 1)
-			args.v2.acConfig.ucEncoderSel = 1;
+	if (ASIC_IS_DCE4(rdev)) {
+		if (is_dp)
+			args.v3.ucLaneNum = dig_connector->dp_lane_count;
+		else if (radeon_encoder->pixel_clock > 165000)
+			args.v3.ucLaneNum = 8;
+		else
+			args.v3.ucLaneNum = 4;
+
+		if (dig_connector->linkb) {
+			args.v3.acConfig.ucLinkSel = 1;
+			args.v3.acConfig.ucEncoderSel = 1;
+		}
+
+		/* Select the PLL for the PHY
+		 * DP PHY should be clocked from external src if there is
+		 * one.
+		 */
+		if (encoder->crtc) {
+			struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
+			pll_id = radeon_crtc->pll_id;
+		}
+		if (is_dp && rdev->clock.dp_extclk)
+			args.v3.acConfig.ucRefClkSource = 2; /* external src */
+		else
+			args.v3.acConfig.ucRefClkSource = pll_id;
+
+		switch (radeon_encoder->encoder_id) {
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+			args.v3.acConfig.ucTransmitterSel = 0;
+			break;
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+			args.v3.acConfig.ucTransmitterSel = 1;
+			break;
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+			args.v3.acConfig.ucTransmitterSel = 2;
+			break;
+		}
+
+		if (is_dp)
+			args.v3.acConfig.fCoherentMode = 1; /* DP requires coherent */
+		else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
+			if (dig->coherent_mode)
+				args.v3.acConfig.fCoherentMode = 1;
+		}
+	} else if (ASIC_IS_DCE32(rdev)) {
+		args.v2.acConfig.ucEncoderSel = dig->dig_encoder;
 		if (dig_connector->linkb)
 			args.v2.acConfig.ucLinkSel = 1;
 
 		switch (radeon_encoder->encoder_id) {
 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
 			args.v2.acConfig.ucTransmitterSel = 0;
-			num = 0;
 			break;
 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
 			args.v2.acConfig.ucTransmitterSel = 1;
-			num = 1;
 			break;
 		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
 			args.v2.acConfig.ucTransmitterSel = 2;
-			num = 2;
 			break;
 		}
 
@@ -849,7 +900,6 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
 				args.v2.acConfig.fCoherentMode = 1;
 		}
 	} else {
-
 		args.v1.ucConfig = ATOM_TRANSMITTER_CONFIG_CLKSRC_PPLL;
 
 		if (dig->dig_encoder)
@@ -857,31 +907,25 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
 		else
 			args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_DIG1_ENCODER;
 
-		switch (radeon_encoder->encoder_id) {
-		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
-			if (rdev->flags & RADEON_IS_IGP) {
-				if (radeon_encoder->pixel_clock > 165000) {
-					if (dig_connector->igp_lane_info & 0x3)
-						args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_0_7;
-					else if (dig_connector->igp_lane_info & 0xc)
-						args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_8_15;
-				} else {
-					if (dig_connector->igp_lane_info & 0x1)
-						args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_0_3;
-					else if (dig_connector->igp_lane_info & 0x2)
-						args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_4_7;
-					else if (dig_connector->igp_lane_info & 0x4)
-						args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_8_11;
-					else if (dig_connector->igp_lane_info & 0x8)
-						args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_12_15;
-				}
+		if ((rdev->flags & RADEON_IS_IGP) &&
+		    (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY)) {
+			if (is_dp || (radeon_encoder->pixel_clock <= 165000)) {
+				if (dig_connector->igp_lane_info & 0x1)
+					args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_0_3;
+				else if (dig_connector->igp_lane_info & 0x2)
+					args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_4_7;
+				else if (dig_connector->igp_lane_info & 0x4)
+					args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_8_11;
+				else if (dig_connector->igp_lane_info & 0x8)
+					args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_12_15;
+			} else {
+				if (dig_connector->igp_lane_info & 0x3)
+					args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_0_7;
+				else if (dig_connector->igp_lane_info & 0xc)
+					args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LANE_8_15;
 			}
-			break;
 		}
 
-		if (radeon_encoder->pixel_clock > 165000)
-			args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_8LANE_LINK;
-
 		if (dig_connector->linkb)
 			args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_LINKB;
 		else
@@ -892,6 +936,8 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
 		else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
 			if (dig->coherent_mode)
 				args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_COHERENT;
+			if (radeon_encoder->pixel_clock > 165000)
+				args.v1.ucConfig |= ATOM_TRANSMITTER_CONFIG_8LANE_LINK;
 		}
 	}
 
@@ -998,16 +1044,25 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
 	if (is_dig) {
 		switch (mode) {
 		case DRM_MODE_DPMS_ON:
-			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);
-			{
+			if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_DP) {
 				struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
+
 				dp_link_train(encoder, connector);
+				if (ASIC_IS_DCE4(rdev))
+					atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_ON);
 			}
+			if (!ASIC_IS_DCE4(rdev))
+				atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0);
 			break;
 		case DRM_MODE_DPMS_STANDBY:
 		case DRM_MODE_DPMS_SUSPEND:
 		case DRM_MODE_DPMS_OFF:
-			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0);
+			if (!ASIC_IS_DCE4(rdev))
+				atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE_OUTPUT, 0, 0);
+			if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_DP) {
+				if (ASIC_IS_DCE4(rdev))
+					atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_DP_VIDEO_OFF);
+			}
 			break;
 		}
 	} else {
@@ -1024,9 +1079,12 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode)
 		atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 	}
 	radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
+
+	/* adjust pm to dpms change */
+	radeon_pm_compute_clocks(rdev);
 }
 
-union crtc_sourc_param {
+union crtc_source_param {
 	SELECT_CRTC_SOURCE_PS_ALLOCATION v1;
 	SELECT_CRTC_SOURCE_PARAMETERS_V2 v2;
 };
@@ -1038,14 +1096,15 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder)
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
-	union crtc_sourc_param args;
+	union crtc_source_param args;
 	int index = GetIndexIntoMasterTable(COMMAND, SelectCRTC_Source);
 	uint8_t frev, crev;
 	struct radeon_encoder_atom_dig *dig;
 
 	memset(&args, 0, sizeof(args));
 
-	atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev);
+	if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
+		return;
 
 	switch (frev) {
 	case 1:
@@ -1107,10 +1166,26 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder)
 			case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
 				dig = radeon_encoder->enc_priv;
-				if (dig->dig_encoder)
-					args.v2.ucEncoderID = ASIC_INT_DIG2_ENCODER_ID;
-				else
+				switch (dig->dig_encoder) {
+				case 0:
 					args.v2.ucEncoderID = ASIC_INT_DIG1_ENCODER_ID;
+					break;
+				case 1:
+					args.v2.ucEncoderID = ASIC_INT_DIG2_ENCODER_ID;
+					break;
+				case 2:
+					args.v2.ucEncoderID = ASIC_INT_DIG3_ENCODER_ID;
+					break;
+				case 3:
+					args.v2.ucEncoderID = ASIC_INT_DIG4_ENCODER_ID;
+					break;
+				case 4:
+					args.v2.ucEncoderID = ASIC_INT_DIG5_ENCODER_ID;
+					break;
+				case 5:
+					args.v2.ucEncoderID = ASIC_INT_DIG6_ENCODER_ID;
+					break;
+				}
 				break;
 			case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
 				args.v2.ucEncoderID = ASIC_INT_DVO_ENCODER_ID;
@@ -1141,6 +1216,9 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder)
 	}
 
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+
+	/* update scratch regs with new routing */
+	radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
 }
 
 static void
@@ -1167,6 +1245,7 @@ atombios_apply_encoder_quirks(struct drm_encoder *encoder,
 	}
 
 	/* set scaler clears this on some chips */
+	/* XXX check DCE4 */
 	if (!(radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))) {
 		if (ASIC_IS_AVIVO(rdev) && (mode->flags & DRM_MODE_FLAG_INTERLACE))
 			WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
@@ -1183,6 +1262,33 @@ static int radeon_atom_pick_dig_encoder(struct drm_encoder *encoder)
 	struct drm_encoder *test_encoder;
 	struct radeon_encoder_atom_dig *dig;
 	uint32_t dig_enc_in_use = 0;
+
+	if (ASIC_IS_DCE4(rdev)) {
+		struct radeon_connector_atom_dig *dig_connector =
+			radeon_get_atom_connector_priv_from_encoder(encoder);
+
+		switch (radeon_encoder->encoder_id) {
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
+			if (dig_connector->linkb)
+				return 1;
+			else
+				return 0;
+			break;
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
+			if (dig_connector->linkb)
+				return 3;
+			else
+				return 2;
+			break;
+		case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
+			if (dig_connector->linkb)
+				return 5;
+			else
+				return 4;
+			break;
+		}
+	}
+
 	/* on DCE32 and encoder can driver any block so just crtc id */
 	if (ASIC_IS_DCE32(rdev)) {
 		return radeon_crtc->crtc_id;
@@ -1223,19 +1329,9 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
 	struct drm_device *dev = encoder->dev;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
-	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
 
-	if (radeon_encoder->active_device &
-	    (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) {
-		struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
-		if (dig)
-			dig->dig_encoder = radeon_atom_pick_dig_encoder(encoder);
-	}
 	radeon_encoder->pixel_clock = adjusted_mode->clock;
 
-	radeon_atombios_encoder_crtc_scratch_regs(encoder, radeon_crtc->crtc_id);
-	atombios_set_encoder_crtc_source(encoder);
-
 	if (ASIC_IS_AVIVO(rdev)) {
 		if (radeon_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT | ATOM_DEVICE_TV_SUPPORT))
 			atombios_yuv_setup(encoder, true);
@@ -1254,15 +1350,26 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
 	case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
 	case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
-		/* disable the encoder and transmitter */
-		atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
-		atombios_dig_encoder_setup(encoder, ATOM_DISABLE);
-
-		/* setup and enable the encoder and transmitter */
-		atombios_dig_encoder_setup(encoder, ATOM_ENABLE);
-		atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
-		atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
-		atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
+		if (ASIC_IS_DCE4(rdev)) {
+			/* disable the transmitter */
+			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+			/* setup and enable the encoder */
+			atombios_dig_encoder_setup(encoder, ATOM_ENCODER_CMD_SETUP);
+
+			/* init and enable the transmitter */
+			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
+			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
+		} else {
+			/* disable the encoder and transmitter */
+			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_DISABLE, 0, 0);
+			atombios_dig_encoder_setup(encoder, ATOM_DISABLE);
+
+			/* setup and enable the encoder and transmitter */
+			atombios_dig_encoder_setup(encoder, ATOM_ENABLE);
+			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_INIT, 0, 0);
+			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0);
+			atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0);
+		}
 		break;
 	case ENCODER_OBJECT_ID_INTERNAL_DDI:
 		atombios_ddia_setup(encoder, ATOM_ENABLE);
@@ -1282,7 +1389,10 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
 	}
 	atombios_apply_encoder_quirks(encoder, adjusted_mode);
 
-	r600_hdmi_setmode(encoder, adjusted_mode);
+	if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
+		r600_hdmi_enable(encoder);
+		r600_hdmi_setmode(encoder, adjusted_mode);
+	}
 }
 
 static bool
@@ -1302,7 +1412,8 @@ atombios_dac_load_detect(struct drm_encoder *encoder, struct drm_connector *conn
 
 		memset(&args, 0, sizeof(args));
 
-		atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev);
+		if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
+			return false;
 
 		args.sDacload.ucMisc = 0;
 
@@ -1376,8 +1487,20 @@ radeon_atom_dac_detect(struct drm_encoder *encoder, struct drm_connector *connec
 
 static void radeon_atom_encoder_prepare(struct drm_encoder *encoder)
 {
+	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+
+	if (radeon_encoder->active_device &
+	    (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) {
+		struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
+		if (dig)
+			dig->dig_encoder = radeon_atom_pick_dig_encoder(encoder);
+	}
+
 	radeon_atom_output_lock(encoder, true);
 	radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
+
+	/* this is needed for the pll/ss setup to work correctly in some cases */
+	atombios_set_encoder_crtc_source(encoder);
 }
 
 static void radeon_atom_encoder_commit(struct drm_encoder *encoder)
@@ -1393,6 +1516,8 @@ static void radeon_atom_encoder_disable(struct drm_encoder *encoder)
 	radeon_atom_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
 
 	if (radeon_encoder_is_digital(encoder)) {
+		if (atombios_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
+			r600_hdmi_disable(encoder);
 		dig = radeon_encoder->enc_priv;
 		dig->dig_encoder = -1;
 	}
@@ -1480,10 +1605,18 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t su
 		return;
 
 	encoder = &radeon_encoder->base;
-	if (rdev->flags & RADEON_SINGLE_CRTC)
+	switch (rdev->num_crtc) {
+	case 1:
 		encoder->possible_crtcs = 0x1;
-	else
+		break;
+	case 2:
+	default:
 		encoder->possible_crtcs = 0x3;
+		break;
+	case 6:
+		encoder->possible_crtcs = 0x3f;
+		break;
+	}
 
 	radeon_encoder->enc_priv = NULL;
 
@@ -1535,6 +1668,4 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t su
 		drm_encoder_helper_add(encoder, &radeon_atom_dig_helper_funcs);
 		break;
 	}
-
-	r600_hdmi_init(encoder);
 }
diff --git a/drivers/gpu/drm/radeon/radeon_family.h b/drivers/gpu/drm/radeon/radeon_family.h
index 797972e344a6..93c7d5d41914 100644
--- a/drivers/gpu/drm/radeon/radeon_family.h
+++ b/drivers/gpu/drm/radeon/radeon_family.h
@@ -75,6 +75,11 @@ enum radeon_family {
 	CHIP_RV730,
 	CHIP_RV710,
 	CHIP_RV740,
+	CHIP_CEDAR,
+	CHIP_REDWOOD,
+	CHIP_JUNIPER,
+	CHIP_CYPRESS,
+	CHIP_HEMLOCK,
 	CHIP_LAST,
 };
 
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index d71e346e9ab5..8fccbf29235e 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -39,6 +39,8 @@
 
 #include "drm_fb_helper.h"
 
+#include <linux/vga_switcheroo.h>
+
 struct radeon_fb_device {
 	struct drm_fb_helper helper;
 	struct radeon_framebuffer	*rfb;
@@ -148,7 +150,6 @@ int radeonfb_create(struct drm_device *dev,
 	unsigned long tmp;
 	bool fb_tiled = false; /* useful for testing */
 	u32 tiling_flags = 0;
-	int crtc_count;
 
 	mode_cmd.width = surface_width;
 	mode_cmd.height = surface_height;
@@ -239,11 +240,7 @@ int radeonfb_create(struct drm_device *dev,
 	rfbdev = info->par;
 	rfbdev->helper.funcs = &radeon_fb_helper_funcs;
 	rfbdev->helper.dev = dev;
-	if (rdev->flags & RADEON_SINGLE_CRTC)
-		crtc_count = 1;
-	else
-		crtc_count = 2;
-	ret = drm_fb_helper_init_crtc_count(&rfbdev->helper, crtc_count,
+	ret = drm_fb_helper_init_crtc_count(&rfbdev->helper, rdev->num_crtc,
 					    RADEONFB_CONN_LIMIT);
 	if (ret)
 		goto out_unref;
@@ -257,7 +254,7 @@ int radeonfb_create(struct drm_device *dev,
 	info->flags = FBINFO_DEFAULT;
 	info->fbops = &radeonfb_ops;
 
-	tmp = fb_gpuaddr - rdev->mc.vram_location;
+	tmp = fb_gpuaddr - rdev->mc.vram_start;
 	info->fix.smem_start = rdev->mc.aper_base + tmp;
 	info->fix.smem_len = size;
 	info->screen_base = fbptr;
@@ -291,6 +288,7 @@ int radeonfb_create(struct drm_device *dev,
 	rfbdev->rdev = rdev;
 
 	mutex_unlock(&rdev->ddev->struct_mutex);
+	vga_switcheroo_client_fb_set(rdev->ddev->pdev, info);
 	return 0;
 
 out_unref:
diff --git a/drivers/gpu/drm/radeon/radeon_gart.c b/drivers/gpu/drm/radeon/radeon_gart.c
index e73d56e83fa6..1770d3c07fd0 100644
--- a/drivers/gpu/drm/radeon/radeon_gart.c
+++ b/drivers/gpu/drm/radeon/radeon_gart.c
@@ -139,6 +139,7 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
 	unsigned t;
 	unsigned p;
 	int i, j;
+	u64 page_base;
 
 	if (!rdev->gart.ready) {
 		WARN(1, "trying to unbind memory to unitialized GART !\n");
@@ -151,9 +152,11 @@ void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
 			pci_unmap_page(rdev->pdev, rdev->gart.pages_addr[p],
 				       PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
 			rdev->gart.pages[p] = NULL;
-			rdev->gart.pages_addr[p] = 0;
+			rdev->gart.pages_addr[p] = rdev->dummy_page.addr;
+			page_base = rdev->gart.pages_addr[p];
 			for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
-				radeon_gart_set_page(rdev, t, 0);
+				radeon_gart_set_page(rdev, t, page_base);
+				page_base += RADEON_GPU_PAGE_SIZE;
 			}
 		}
 	}
@@ -199,8 +202,26 @@ int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
 	return 0;
 }
 
+void radeon_gart_restore(struct radeon_device *rdev)
+{
+	int i, j, t;
+	u64 page_base;
+
+	for (i = 0, t = 0; i < rdev->gart.num_cpu_pages; i++) {
+		page_base = rdev->gart.pages_addr[i];
+		for (j = 0; j < (PAGE_SIZE / RADEON_GPU_PAGE_SIZE); j++, t++) {
+			radeon_gart_set_page(rdev, t, page_base);
+			page_base += RADEON_GPU_PAGE_SIZE;
+		}
+	}
+	mb();
+	radeon_gart_tlb_flush(rdev);
+}
+
 int radeon_gart_init(struct radeon_device *rdev)
 {
+	int r, i;
+
 	if (rdev->gart.pages) {
 		return 0;
 	}
@@ -209,6 +230,9 @@ int radeon_gart_init(struct radeon_device *rdev)
 		DRM_ERROR("Page size is smaller than GPU page size!\n");
 		return -EINVAL;
 	}
+	r = radeon_dummy_page_init(rdev);
+	if (r)
+		return r;
 	/* Compute table size */
 	rdev->gart.num_cpu_pages = rdev->mc.gtt_size / PAGE_SIZE;
 	rdev->gart.num_gpu_pages = rdev->mc.gtt_size / RADEON_GPU_PAGE_SIZE;
@@ -227,6 +251,10 @@ int radeon_gart_init(struct radeon_device *rdev)
 		radeon_gart_fini(rdev);
 		return -ENOMEM;
 	}
+	/* set GART entry to point to the dummy page by default */
+	for (i = 0; i < rdev->gart.num_cpu_pages; i++) {
+		rdev->gart.pages_addr[i] = rdev->dummy_page.addr;
+	}
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_gem.c b/drivers/gpu/drm/radeon/radeon_gem.c
index db8e9a355a01..ef92d147d8f0 100644
--- a/drivers/gpu/drm/radeon/radeon_gem.c
+++ b/drivers/gpu/drm/radeon/radeon_gem.c
@@ -69,9 +69,7 @@ int radeon_gem_object_create(struct radeon_device *rdev, int size,
 		if (r != -ERESTARTSYS)
 			DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
 				  size, initial_domain, alignment, r);
-		mutex_lock(&rdev->ddev->struct_mutex);
-		drm_gem_object_unreference(gobj);
-		mutex_unlock(&rdev->ddev->struct_mutex);
+		drm_gem_object_unreference_unlocked(gobj);
 		return r;
 	}
 	gobj->driver_private = robj;
@@ -202,14 +200,10 @@ int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
 	}
 	r = drm_gem_handle_create(filp, gobj, &handle);
 	if (r) {
-		mutex_lock(&dev->struct_mutex);
-		drm_gem_object_unreference(gobj);
-		mutex_unlock(&dev->struct_mutex);
+		drm_gem_object_unreference_unlocked(gobj);
 		return r;
 	}
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_handle_unreference(gobj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_handle_unreference_unlocked(gobj);
 	args->handle = handle;
 	return 0;
 }
@@ -236,9 +230,7 @@ int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
 
 	r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
 
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(gobj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(gobj);
 	return r;
 }
 
@@ -255,9 +247,7 @@ int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
 	}
 	robj = gobj->driver_private;
 	args->addr_ptr = radeon_bo_mmap_offset(robj);
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(gobj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(gobj);
 	return 0;
 }
 
@@ -288,9 +278,7 @@ int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
 	default:
 		break;
 	}
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(gobj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(gobj);
 	return r;
 }
 
@@ -311,9 +299,7 @@ int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
 	/* callback hw specific functions if any */
 	if (robj->rdev->asic->ioctl_wait_idle)
 		robj->rdev->asic->ioctl_wait_idle(robj->rdev, robj);
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(gobj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(gobj);
 	return r;
 }
 
@@ -331,9 +317,7 @@ int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
 		return -EINVAL;
 	robj = gobj->driver_private;
 	r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(gobj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(gobj);
 	return r;
 }
 
@@ -356,8 +340,6 @@ int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
 	radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
 	radeon_bo_unreserve(rbo);
 out:
-	mutex_lock(&dev->struct_mutex);
-	drm_gem_object_unreference(gobj);
-	mutex_unlock(&dev->struct_mutex);
+	drm_gem_object_unreference_unlocked(gobj);
 	return r;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_i2c.c b/drivers/gpu/drm/radeon/radeon_i2c.c
index da3da1e89d00..5def6f5dff38 100644
--- a/drivers/gpu/drm/radeon/radeon_i2c.c
+++ b/drivers/gpu/drm/radeon/radeon_i2c.c
@@ -26,6 +26,7 @@
 #include "drmP.h"
 #include "radeon_drm.h"
 #include "radeon.h"
+#include "atom.h"
 
 /**
  * radeon_ddc_probe
@@ -58,8 +59,9 @@ bool radeon_ddc_probe(struct radeon_connector *radeon_connector)
 	return false;
 }
 
+/* bit banging i2c */
 
-void radeon_i2c_do_lock(struct radeon_i2c_chan *i2c, int lock_state)
+static void radeon_i2c_do_lock(struct radeon_i2c_chan *i2c, int lock_state)
 {
 	struct radeon_device *rdev = i2c->dev->dev_private;
 	struct radeon_i2c_bus_rec *rec = &i2c->rec;
@@ -71,13 +73,25 @@ void radeon_i2c_do_lock(struct radeon_i2c_chan *i2c, int lock_state)
 	 */
 	if (rec->hw_capable) {
 		if ((rdev->family >= CHIP_R200) && !ASIC_IS_AVIVO(rdev)) {
-			if (rec->a_clk_reg == RADEON_GPIO_MONID) {
+			u32 reg;
+
+			if (rdev->family >= CHIP_RV350)
+				reg = RADEON_GPIO_MONID;
+			else if ((rdev->family == CHIP_R300) ||
+				 (rdev->family == CHIP_R350))
+				reg = RADEON_GPIO_DVI_DDC;
+			else
+				reg = RADEON_GPIO_CRT2_DDC;
+
+			mutex_lock(&rdev->dc_hw_i2c_mutex);
+			if (rec->a_clk_reg == reg) {
 				WREG32(RADEON_DVI_I2C_CNTL_0, (RADEON_I2C_SOFT_RST |
 							       R200_DVI_I2C_PIN_SEL(R200_SEL_DDC1)));
 			} else {
 				WREG32(RADEON_DVI_I2C_CNTL_0, (RADEON_I2C_SOFT_RST |
 							       R200_DVI_I2C_PIN_SEL(R200_SEL_DDC3)));
 			}
+			mutex_unlock(&rdev->dc_hw_i2c_mutex);
 		}
 	}
 
@@ -168,10 +182,692 @@ static void set_data(void *i2c_priv, int data)
 	WREG32(rec->en_data_reg, val);
 }
 
+static int pre_xfer(struct i2c_adapter *i2c_adap)
+{
+	struct radeon_i2c_chan *i2c = i2c_get_adapdata(i2c_adap);
+
+	radeon_i2c_do_lock(i2c, 1);
+
+	return 0;
+}
+
+static void post_xfer(struct i2c_adapter *i2c_adap)
+{
+	struct radeon_i2c_chan *i2c = i2c_get_adapdata(i2c_adap);
+
+	radeon_i2c_do_lock(i2c, 0);
+}
+
+/* hw i2c */
+
+static u32 radeon_get_i2c_prescale(struct radeon_device *rdev)
+{
+	u32 sclk = radeon_get_engine_clock(rdev);
+	u32 prescale = 0;
+	u32 nm;
+	u8 n, m, loop;
+	int i2c_clock;
+
+	switch (rdev->family) {
+	case CHIP_R100:
+	case CHIP_RV100:
+	case CHIP_RS100:
+	case CHIP_RV200:
+	case CHIP_RS200:
+	case CHIP_R200:
+	case CHIP_RV250:
+	case CHIP_RS300:
+	case CHIP_RV280:
+	case CHIP_R300:
+	case CHIP_R350:
+	case CHIP_RV350:
+		i2c_clock = 60;
+		nm = (sclk * 10) / (i2c_clock * 4);
+		for (loop = 1; loop < 255; loop++) {
+			if ((nm / loop) < loop)
+				break;
+		}
+		n = loop - 1;
+		m = loop - 2;
+		prescale = m | (n << 8);
+		break;
+	case CHIP_RV380:
+	case CHIP_RS400:
+	case CHIP_RS480:
+	case CHIP_R420:
+	case CHIP_R423:
+	case CHIP_RV410:
+		prescale = (((sclk * 10)/(4 * 128 * 100) + 1) << 8) + 128;
+		break;
+	case CHIP_RS600:
+	case CHIP_RS690:
+	case CHIP_RS740:
+		/* todo */
+		break;
+	case CHIP_RV515:
+	case CHIP_R520:
+	case CHIP_RV530:
+	case CHIP_RV560:
+	case CHIP_RV570:
+	case CHIP_R580:
+		i2c_clock = 50;
+		if (rdev->family == CHIP_R520)
+			prescale = (127 << 8) + ((sclk * 10) / (4 * 127 * i2c_clock));
+		else
+			prescale = (((sclk * 10)/(4 * 128 * 100) + 1) << 8) + 128;
+		break;
+	case CHIP_R600:
+	case CHIP_RV610:
+	case CHIP_RV630:
+	case CHIP_RV670:
+		/* todo */
+		break;
+	case CHIP_RV620:
+	case CHIP_RV635:
+	case CHIP_RS780:
+	case CHIP_RS880:
+	case CHIP_RV770:
+	case CHIP_RV730:
+	case CHIP_RV710:
+	case CHIP_RV740:
+		/* todo */
+		break;
+	case CHIP_CEDAR:
+	case CHIP_REDWOOD:
+	case CHIP_JUNIPER:
+	case CHIP_CYPRESS:
+	case CHIP_HEMLOCK:
+		/* todo */
+		break;
+	default:
+		DRM_ERROR("i2c: unhandled radeon chip\n");
+		break;
+	}
+	return prescale;
+}
+
+
+/* hw i2c engine for r1xx-4xx hardware
+ * hw can buffer up to 15 bytes
+ */
+static int r100_hw_i2c_xfer(struct i2c_adapter *i2c_adap,
+			    struct i2c_msg *msgs, int num)
+{
+	struct radeon_i2c_chan *i2c = i2c_get_adapdata(i2c_adap);
+	struct radeon_device *rdev = i2c->dev->dev_private;
+	struct radeon_i2c_bus_rec *rec = &i2c->rec;
+	struct i2c_msg *p;
+	int i, j, k, ret = num;
+	u32 prescale;
+	u32 i2c_cntl_0, i2c_cntl_1, i2c_data;
+	u32 tmp, reg;
+
+	mutex_lock(&rdev->dc_hw_i2c_mutex);
+	/* take the pm lock since we need a constant sclk */
+	mutex_lock(&rdev->pm.mutex);
+
+	prescale = radeon_get_i2c_prescale(rdev);
+
+	reg = ((prescale << RADEON_I2C_PRESCALE_SHIFT) |
+	       RADEON_I2C_DRIVE_EN |
+	       RADEON_I2C_START |
+	       RADEON_I2C_STOP |
+	       RADEON_I2C_GO);
+
+	if (rdev->is_atom_bios) {
+		tmp = RREG32(RADEON_BIOS_6_SCRATCH);
+		WREG32(RADEON_BIOS_6_SCRATCH, tmp | ATOM_S6_HW_I2C_BUSY_STATE);
+	}
+
+	if (rec->mm_i2c) {
+		i2c_cntl_0 = RADEON_I2C_CNTL_0;
+		i2c_cntl_1 = RADEON_I2C_CNTL_1;
+		i2c_data = RADEON_I2C_DATA;
+	} else {
+		i2c_cntl_0 = RADEON_DVI_I2C_CNTL_0;
+		i2c_cntl_1 = RADEON_DVI_I2C_CNTL_1;
+		i2c_data = RADEON_DVI_I2C_DATA;
+
+		switch (rdev->family) {
+		case CHIP_R100:
+		case CHIP_RV100:
+		case CHIP_RS100:
+		case CHIP_RV200:
+		case CHIP_RS200:
+		case CHIP_RS300:
+			switch (rec->mask_clk_reg) {
+			case RADEON_GPIO_DVI_DDC:
+				/* no gpio select bit */
+				break;
+			default:
+				DRM_ERROR("gpio not supported with hw i2c\n");
+				ret = -EINVAL;
+				goto done;
+			}
+			break;
+		case CHIP_R200:
+			/* only bit 4 on r200 */
+			switch (rec->mask_clk_reg) {
+			case RADEON_GPIO_DVI_DDC:
+				reg |= R200_DVI_I2C_PIN_SEL(R200_SEL_DDC1);
+				break;
+			case RADEON_GPIO_MONID:
+				reg |= R200_DVI_I2C_PIN_SEL(R200_SEL_DDC3);
+				break;
+			default:
+				DRM_ERROR("gpio not supported with hw i2c\n");
+				ret = -EINVAL;
+				goto done;
+			}
+			break;
+		case CHIP_RV250:
+		case CHIP_RV280:
+			/* bits 3 and 4 */
+			switch (rec->mask_clk_reg) {
+			case RADEON_GPIO_DVI_DDC:
+				reg |= R200_DVI_I2C_PIN_SEL(R200_SEL_DDC1);
+				break;
+			case RADEON_GPIO_VGA_DDC:
+				reg |= R200_DVI_I2C_PIN_SEL(R200_SEL_DDC2);
+				break;
+			case RADEON_GPIO_CRT2_DDC:
+				reg |= R200_DVI_I2C_PIN_SEL(R200_SEL_DDC3);
+				break;
+			default:
+				DRM_ERROR("gpio not supported with hw i2c\n");
+				ret = -EINVAL;
+				goto done;
+			}
+			break;
+		case CHIP_R300:
+		case CHIP_R350:
+			/* only bit 4 on r300/r350 */
+			switch (rec->mask_clk_reg) {
+			case RADEON_GPIO_VGA_DDC:
+				reg |= R200_DVI_I2C_PIN_SEL(R200_SEL_DDC1);
+				break;
+			case RADEON_GPIO_DVI_DDC:
+				reg |= R200_DVI_I2C_PIN_SEL(R200_SEL_DDC3);
+				break;
+			default:
+				DRM_ERROR("gpio not supported with hw i2c\n");
+				ret = -EINVAL;
+				goto done;
+			}
+			break;
+		case CHIP_RV350:
+		case CHIP_RV380:
+		case CHIP_R420:
+		case CHIP_R423:
+		case CHIP_RV410:
+		case CHIP_RS400:
+		case CHIP_RS480:
+			/* bits 3 and 4 */
+			switch (rec->mask_clk_reg) {
+			case RADEON_GPIO_VGA_DDC:
+				reg |= R200_DVI_I2C_PIN_SEL(R200_SEL_DDC1);
+				break;
+			case RADEON_GPIO_DVI_DDC:
+				reg |= R200_DVI_I2C_PIN_SEL(R200_SEL_DDC2);
+				break;
+			case RADEON_GPIO_MONID:
+				reg |= R200_DVI_I2C_PIN_SEL(R200_SEL_DDC3);
+				break;
+			default:
+				DRM_ERROR("gpio not supported with hw i2c\n");
+				ret = -EINVAL;
+				goto done;
+			}
+			break;
+		default:
+			DRM_ERROR("unsupported asic\n");
+			ret = -EINVAL;
+			goto done;
+			break;
+		}
+	}
+
+	/* check for bus probe */
+	p = &msgs[0];
+	if ((num == 1) && (p->len == 0)) {
+		WREG32(i2c_cntl_0, (RADEON_I2C_DONE |
+				    RADEON_I2C_NACK |
+				    RADEON_I2C_HALT |
+				    RADEON_I2C_SOFT_RST));
+		WREG32(i2c_data, (p->addr << 1) & 0xff);
+		WREG32(i2c_data, 0);
+		WREG32(i2c_cntl_1, ((1 << RADEON_I2C_DATA_COUNT_SHIFT) |
+				    (1 << RADEON_I2C_ADDR_COUNT_SHIFT) |
+				    RADEON_I2C_EN |
+				    (48 << RADEON_I2C_TIME_LIMIT_SHIFT)));
+		WREG32(i2c_cntl_0, reg);
+		for (k = 0; k < 32; k++) {
+			udelay(10);
+			tmp = RREG32(i2c_cntl_0);
+			if (tmp & RADEON_I2C_GO)
+				continue;
+			tmp = RREG32(i2c_cntl_0);
+			if (tmp & RADEON_I2C_DONE)
+				break;
+			else {
+				DRM_DEBUG("i2c write error 0x%08x\n", tmp);
+				WREG32(i2c_cntl_0, tmp | RADEON_I2C_ABORT);
+				ret = -EIO;
+				goto done;
+			}
+		}
+		goto done;
+	}
+
+	for (i = 0; i < num; i++) {
+		p = &msgs[i];
+		for (j = 0; j < p->len; j++) {
+			if (p->flags & I2C_M_RD) {
+				WREG32(i2c_cntl_0, (RADEON_I2C_DONE |
+						    RADEON_I2C_NACK |
+						    RADEON_I2C_HALT |
+						    RADEON_I2C_SOFT_RST));
+				WREG32(i2c_data, ((p->addr << 1) & 0xff) | 0x1);
+				WREG32(i2c_cntl_1, ((1 << RADEON_I2C_DATA_COUNT_SHIFT) |
+						    (1 << RADEON_I2C_ADDR_COUNT_SHIFT) |
+						    RADEON_I2C_EN |
+						    (48 << RADEON_I2C_TIME_LIMIT_SHIFT)));
+				WREG32(i2c_cntl_0, reg | RADEON_I2C_RECEIVE);
+				for (k = 0; k < 32; k++) {
+					udelay(10);
+					tmp = RREG32(i2c_cntl_0);
+					if (tmp & RADEON_I2C_GO)
+						continue;
+					tmp = RREG32(i2c_cntl_0);
+					if (tmp & RADEON_I2C_DONE)
+						break;
+					else {
+						DRM_DEBUG("i2c read error 0x%08x\n", tmp);
+						WREG32(i2c_cntl_0, tmp | RADEON_I2C_ABORT);
+						ret = -EIO;
+						goto done;
+					}
+				}
+				p->buf[j] = RREG32(i2c_data) & 0xff;
+			} else {
+				WREG32(i2c_cntl_0, (RADEON_I2C_DONE |
+						    RADEON_I2C_NACK |
+						    RADEON_I2C_HALT |
+						    RADEON_I2C_SOFT_RST));
+				WREG32(i2c_data, (p->addr << 1) & 0xff);
+				WREG32(i2c_data, p->buf[j]);
+				WREG32(i2c_cntl_1, ((1 << RADEON_I2C_DATA_COUNT_SHIFT) |
+						    (1 << RADEON_I2C_ADDR_COUNT_SHIFT) |
+						    RADEON_I2C_EN |
+						    (48 << RADEON_I2C_TIME_LIMIT_SHIFT)));
+				WREG32(i2c_cntl_0, reg);
+				for (k = 0; k < 32; k++) {
+					udelay(10);
+					tmp = RREG32(i2c_cntl_0);
+					if (tmp & RADEON_I2C_GO)
+						continue;
+					tmp = RREG32(i2c_cntl_0);
+					if (tmp & RADEON_I2C_DONE)
+						break;
+					else {
+						DRM_DEBUG("i2c write error 0x%08x\n", tmp);
+						WREG32(i2c_cntl_0, tmp | RADEON_I2C_ABORT);
+						ret = -EIO;
+						goto done;
+					}
+				}
+			}
+		}
+	}
+
+done:
+	WREG32(i2c_cntl_0, 0);
+	WREG32(i2c_cntl_1, 0);
+	WREG32(i2c_cntl_0, (RADEON_I2C_DONE |
+			    RADEON_I2C_NACK |
+			    RADEON_I2C_HALT |
+			    RADEON_I2C_SOFT_RST));
+
+	if (rdev->is_atom_bios) {
+		tmp = RREG32(RADEON_BIOS_6_SCRATCH);
+		tmp &= ~ATOM_S6_HW_I2C_BUSY_STATE;
+		WREG32(RADEON_BIOS_6_SCRATCH, tmp);
+	}
+
+	mutex_unlock(&rdev->pm.mutex);
+	mutex_unlock(&rdev->dc_hw_i2c_mutex);
+
+	return ret;
+}
+
+/* hw i2c engine for r5xx hardware
+ * hw can buffer up to 15 bytes
+ */
+static int r500_hw_i2c_xfer(struct i2c_adapter *i2c_adap,
+			    struct i2c_msg *msgs, int num)
+{
+	struct radeon_i2c_chan *i2c = i2c_get_adapdata(i2c_adap);
+	struct radeon_device *rdev = i2c->dev->dev_private;
+	struct radeon_i2c_bus_rec *rec = &i2c->rec;
+	struct i2c_msg *p;
+	int i, j, remaining, current_count, buffer_offset, ret = num;
+	u32 prescale;
+	u32 tmp, reg;
+	u32 saved1, saved2;
+
+	mutex_lock(&rdev->dc_hw_i2c_mutex);
+	/* take the pm lock since we need a constant sclk */
+	mutex_lock(&rdev->pm.mutex);
+
+	prescale = radeon_get_i2c_prescale(rdev);
+
+	/* clear gpio mask bits */
+	tmp = RREG32(rec->mask_clk_reg);
+	tmp &= ~rec->mask_clk_mask;
+	WREG32(rec->mask_clk_reg, tmp);
+	tmp = RREG32(rec->mask_clk_reg);
+
+	tmp = RREG32(rec->mask_data_reg);
+	tmp &= ~rec->mask_data_mask;
+	WREG32(rec->mask_data_reg, tmp);
+	tmp = RREG32(rec->mask_data_reg);
+
+	/* clear pin values */
+	tmp = RREG32(rec->a_clk_reg);
+	tmp &= ~rec->a_clk_mask;
+	WREG32(rec->a_clk_reg, tmp);
+	tmp = RREG32(rec->a_clk_reg);
+
+	tmp = RREG32(rec->a_data_reg);
+	tmp &= ~rec->a_data_mask;
+	WREG32(rec->a_data_reg, tmp);
+	tmp = RREG32(rec->a_data_reg);
+
+	/* set the pins to input */
+	tmp = RREG32(rec->en_clk_reg);
+	tmp &= ~rec->en_clk_mask;
+	WREG32(rec->en_clk_reg, tmp);
+	tmp = RREG32(rec->en_clk_reg);
+
+	tmp = RREG32(rec->en_data_reg);
+	tmp &= ~rec->en_data_mask;
+	WREG32(rec->en_data_reg, tmp);
+	tmp = RREG32(rec->en_data_reg);
+
+	/* */
+	tmp = RREG32(RADEON_BIOS_6_SCRATCH);
+	WREG32(RADEON_BIOS_6_SCRATCH, tmp | ATOM_S6_HW_I2C_BUSY_STATE);
+	saved1 = RREG32(AVIVO_DC_I2C_CONTROL1);
+	saved2 = RREG32(0x494);
+	WREG32(0x494, saved2 | 0x1);
+
+	WREG32(AVIVO_DC_I2C_ARBITRATION, AVIVO_DC_I2C_SW_WANTS_TO_USE_I2C);
+	for (i = 0; i < 50; i++) {
+		udelay(1);
+		if (RREG32(AVIVO_DC_I2C_ARBITRATION) & AVIVO_DC_I2C_SW_CAN_USE_I2C)
+			break;
+	}
+	if (i == 50) {
+		DRM_ERROR("failed to get i2c bus\n");
+		ret = -EBUSY;
+		goto done;
+	}
+
+	reg = AVIVO_DC_I2C_START | AVIVO_DC_I2C_STOP | AVIVO_DC_I2C_EN;
+	switch (rec->mask_clk_reg) {
+	case AVIVO_DC_GPIO_DDC1_MASK:
+		reg |= AVIVO_DC_I2C_PIN_SELECT(AVIVO_SEL_DDC1);
+		break;
+	case AVIVO_DC_GPIO_DDC2_MASK:
+		reg |= AVIVO_DC_I2C_PIN_SELECT(AVIVO_SEL_DDC2);
+		break;
+	case AVIVO_DC_GPIO_DDC3_MASK:
+		reg |= AVIVO_DC_I2C_PIN_SELECT(AVIVO_SEL_DDC3);
+		break;
+	default:
+		DRM_ERROR("gpio not supported with hw i2c\n");
+		ret = -EINVAL;
+		goto done;
+	}
+
+	/* check for bus probe */
+	p = &msgs[0];
+	if ((num == 1) && (p->len == 0)) {
+		WREG32(AVIVO_DC_I2C_STATUS1, (AVIVO_DC_I2C_DONE |
+					      AVIVO_DC_I2C_NACK |
+					      AVIVO_DC_I2C_HALT));
+		WREG32(AVIVO_DC_I2C_RESET, AVIVO_DC_I2C_SOFT_RESET);
+		udelay(1);
+		WREG32(AVIVO_DC_I2C_RESET, 0);
+
+		WREG32(AVIVO_DC_I2C_DATA, (p->addr << 1) & 0xff);
+		WREG32(AVIVO_DC_I2C_DATA, 0);
+
+		WREG32(AVIVO_DC_I2C_CONTROL3, AVIVO_DC_I2C_TIME_LIMIT(48));
+		WREG32(AVIVO_DC_I2C_CONTROL2, (AVIVO_DC_I2C_ADDR_COUNT(1) |
+					       AVIVO_DC_I2C_DATA_COUNT(1) |
+					       (prescale << 16)));
+		WREG32(AVIVO_DC_I2C_CONTROL1, reg);
+		WREG32(AVIVO_DC_I2C_STATUS1, AVIVO_DC_I2C_GO);
+		for (j = 0; j < 200; j++) {
+			udelay(50);
+			tmp = RREG32(AVIVO_DC_I2C_STATUS1);
+			if (tmp & AVIVO_DC_I2C_GO)
+				continue;
+			tmp = RREG32(AVIVO_DC_I2C_STATUS1);
+			if (tmp & AVIVO_DC_I2C_DONE)
+				break;
+			else {
+				DRM_DEBUG("i2c write error 0x%08x\n", tmp);
+				WREG32(AVIVO_DC_I2C_RESET, AVIVO_DC_I2C_ABORT);
+				ret = -EIO;
+				goto done;
+			}
+		}
+		goto done;
+	}
+
+	for (i = 0; i < num; i++) {
+		p = &msgs[i];
+		remaining = p->len;
+		buffer_offset = 0;
+		if (p->flags & I2C_M_RD) {
+			while (remaining) {
+				if (remaining > 15)
+					current_count = 15;
+				else
+					current_count = remaining;
+				WREG32(AVIVO_DC_I2C_STATUS1, (AVIVO_DC_I2C_DONE |
+							      AVIVO_DC_I2C_NACK |
+							      AVIVO_DC_I2C_HALT));
+				WREG32(AVIVO_DC_I2C_RESET, AVIVO_DC_I2C_SOFT_RESET);
+				udelay(1);
+				WREG32(AVIVO_DC_I2C_RESET, 0);
+
+				WREG32(AVIVO_DC_I2C_DATA, ((p->addr << 1) & 0xff) | 0x1);
+				WREG32(AVIVO_DC_I2C_CONTROL3, AVIVO_DC_I2C_TIME_LIMIT(48));
+				WREG32(AVIVO_DC_I2C_CONTROL2, (AVIVO_DC_I2C_ADDR_COUNT(1) |
+							       AVIVO_DC_I2C_DATA_COUNT(current_count) |
+							       (prescale << 16)));
+				WREG32(AVIVO_DC_I2C_CONTROL1, reg | AVIVO_DC_I2C_RECEIVE);
+				WREG32(AVIVO_DC_I2C_STATUS1, AVIVO_DC_I2C_GO);
+				for (j = 0; j < 200; j++) {
+					udelay(50);
+					tmp = RREG32(AVIVO_DC_I2C_STATUS1);
+					if (tmp & AVIVO_DC_I2C_GO)
+						continue;
+					tmp = RREG32(AVIVO_DC_I2C_STATUS1);
+					if (tmp & AVIVO_DC_I2C_DONE)
+						break;
+					else {
+						DRM_DEBUG("i2c read error 0x%08x\n", tmp);
+						WREG32(AVIVO_DC_I2C_RESET, AVIVO_DC_I2C_ABORT);
+						ret = -EIO;
+						goto done;
+					}
+				}
+				for (j = 0; j < current_count; j++)
+					p->buf[buffer_offset + j] = RREG32(AVIVO_DC_I2C_DATA) & 0xff;
+				remaining -= current_count;
+				buffer_offset += current_count;
+			}
+		} else {
+			while (remaining) {
+				if (remaining > 15)
+					current_count = 15;
+				else
+					current_count = remaining;
+				WREG32(AVIVO_DC_I2C_STATUS1, (AVIVO_DC_I2C_DONE |
+							      AVIVO_DC_I2C_NACK |
+							      AVIVO_DC_I2C_HALT));
+				WREG32(AVIVO_DC_I2C_RESET, AVIVO_DC_I2C_SOFT_RESET);
+				udelay(1);
+				WREG32(AVIVO_DC_I2C_RESET, 0);
+
+				WREG32(AVIVO_DC_I2C_DATA, (p->addr << 1) & 0xff);
+				for (j = 0; j < current_count; j++)
+					WREG32(AVIVO_DC_I2C_DATA, p->buf[buffer_offset + j]);
+
+				WREG32(AVIVO_DC_I2C_CONTROL3, AVIVO_DC_I2C_TIME_LIMIT(48));
+				WREG32(AVIVO_DC_I2C_CONTROL2, (AVIVO_DC_I2C_ADDR_COUNT(1) |
+							       AVIVO_DC_I2C_DATA_COUNT(current_count) |
+							       (prescale << 16)));
+				WREG32(AVIVO_DC_I2C_CONTROL1, reg);
+				WREG32(AVIVO_DC_I2C_STATUS1, AVIVO_DC_I2C_GO);
+				for (j = 0; j < 200; j++) {
+					udelay(50);
+					tmp = RREG32(AVIVO_DC_I2C_STATUS1);
+					if (tmp & AVIVO_DC_I2C_GO)
+						continue;
+					tmp = RREG32(AVIVO_DC_I2C_STATUS1);
+					if (tmp & AVIVO_DC_I2C_DONE)
+						break;
+					else {
+						DRM_DEBUG("i2c write error 0x%08x\n", tmp);
+						WREG32(AVIVO_DC_I2C_RESET, AVIVO_DC_I2C_ABORT);
+						ret = -EIO;
+						goto done;
+					}
+				}
+				remaining -= current_count;
+				buffer_offset += current_count;
+			}
+		}
+	}
+
+done:
+	WREG32(AVIVO_DC_I2C_STATUS1, (AVIVO_DC_I2C_DONE |
+				      AVIVO_DC_I2C_NACK |
+				      AVIVO_DC_I2C_HALT));
+	WREG32(AVIVO_DC_I2C_RESET, AVIVO_DC_I2C_SOFT_RESET);
+	udelay(1);
+	WREG32(AVIVO_DC_I2C_RESET, 0);
+
+	WREG32(AVIVO_DC_I2C_ARBITRATION, AVIVO_DC_I2C_SW_DONE_USING_I2C);
+	WREG32(AVIVO_DC_I2C_CONTROL1, saved1);
+	WREG32(0x494, saved2);
+	tmp = RREG32(RADEON_BIOS_6_SCRATCH);
+	tmp &= ~ATOM_S6_HW_I2C_BUSY_STATE;
+	WREG32(RADEON_BIOS_6_SCRATCH, tmp);
+
+	mutex_unlock(&rdev->pm.mutex);
+	mutex_unlock(&rdev->dc_hw_i2c_mutex);
+
+	return ret;
+}
+
+static int radeon_hw_i2c_xfer(struct i2c_adapter *i2c_adap,
+			      struct i2c_msg *msgs, int num)
+{
+	struct radeon_i2c_chan *i2c = i2c_get_adapdata(i2c_adap);
+	struct radeon_device *rdev = i2c->dev->dev_private;
+	struct radeon_i2c_bus_rec *rec = &i2c->rec;
+	int ret = 0;
+
+	switch (rdev->family) {
+	case CHIP_R100:
+	case CHIP_RV100:
+	case CHIP_RS100:
+	case CHIP_RV200:
+	case CHIP_RS200:
+	case CHIP_R200:
+	case CHIP_RV250:
+	case CHIP_RS300:
+	case CHIP_RV280:
+	case CHIP_R300:
+	case CHIP_R350:
+	case CHIP_RV350:
+	case CHIP_RV380:
+	case CHIP_R420:
+	case CHIP_R423:
+	case CHIP_RV410:
+	case CHIP_RS400:
+	case CHIP_RS480:
+		ret = r100_hw_i2c_xfer(i2c_adap, msgs, num);
+		break;
+	case CHIP_RS600:
+	case CHIP_RS690:
+	case CHIP_RS740:
+		/* XXX fill in hw i2c implementation */
+		break;
+	case CHIP_RV515:
+	case CHIP_R520:
+	case CHIP_RV530:
+	case CHIP_RV560:
+	case CHIP_RV570:
+	case CHIP_R580:
+		if (rec->mm_i2c)
+			ret = r100_hw_i2c_xfer(i2c_adap, msgs, num);
+		else
+			ret = r500_hw_i2c_xfer(i2c_adap, msgs, num);
+		break;
+	case CHIP_R600:
+	case CHIP_RV610:
+	case CHIP_RV630:
+	case CHIP_RV670:
+		/* XXX fill in hw i2c implementation */
+		break;
+	case CHIP_RV620:
+	case CHIP_RV635:
+	case CHIP_RS780:
+	case CHIP_RS880:
+	case CHIP_RV770:
+	case CHIP_RV730:
+	case CHIP_RV710:
+	case CHIP_RV740:
+		/* XXX fill in hw i2c implementation */
+		break;
+	case CHIP_CEDAR:
+	case CHIP_REDWOOD:
+	case CHIP_JUNIPER:
+	case CHIP_CYPRESS:
+	case CHIP_HEMLOCK:
+		/* XXX fill in hw i2c implementation */
+		break;
+	default:
+		DRM_ERROR("i2c: unhandled radeon chip\n");
+		ret = -EIO;
+		break;
+	}
+
+	return ret;
+}
+
+static u32 radeon_hw_i2c_func(struct i2c_adapter *adap)
+{
+	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
+}
+
+static const struct i2c_algorithm radeon_i2c_algo = {
+	.master_xfer = radeon_hw_i2c_xfer,
+	.functionality = radeon_hw_i2c_func,
+};
+
 struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
 					  struct radeon_i2c_bus_rec *rec,
 					  const char *name)
 {
+	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_i2c_chan *i2c;
 	int ret;
 
@@ -179,24 +875,43 @@ struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
 	if (i2c == NULL)
 		return NULL;
 
+	i2c->rec = *rec;
 	i2c->adapter.owner = THIS_MODULE;
 	i2c->dev = dev;
 	i2c_set_adapdata(&i2c->adapter, i2c);
-	i2c->adapter.algo_data = &i2c->algo.bit;
-	i2c->algo.bit.setsda = set_data;
-	i2c->algo.bit.setscl = set_clock;
-	i2c->algo.bit.getsda = get_data;
-	i2c->algo.bit.getscl = get_clock;
-	i2c->algo.bit.udelay = 20;
-	/* vesa says 2.2 ms is enough, 1 jiffy doesn't seem to always
-	 * make this, 2 jiffies is a lot more reliable */
-	i2c->algo.bit.timeout = 2;
-	i2c->algo.bit.data = i2c;
-	i2c->rec = *rec;
-	ret = i2c_bit_add_bus(&i2c->adapter);
-	if (ret) {
-		DRM_INFO("Failed to register i2c %s\n", name);
-		goto out_free;
+	if (rec->mm_i2c ||
+	    (rec->hw_capable &&
+	     radeon_hw_i2c &&
+	     ((rdev->family <= CHIP_RS480) ||
+	      ((rdev->family >= CHIP_RV515) && (rdev->family <= CHIP_R580))))) {
+		/* set the radeon hw i2c adapter */
+		sprintf(i2c->adapter.name, "Radeon i2c hw bus %s", name);
+		i2c->adapter.algo = &radeon_i2c_algo;
+		ret = i2c_add_adapter(&i2c->adapter);
+		if (ret) {
+			DRM_ERROR("Failed to register hw i2c %s\n", name);
+			goto out_free;
+		}
+	} else {
+		/* set the radeon bit adapter */
+		sprintf(i2c->adapter.name, "Radeon i2c bit bus %s", name);
+		i2c->adapter.algo_data = &i2c->algo.bit;
+		i2c->algo.bit.pre_xfer = pre_xfer;
+		i2c->algo.bit.post_xfer = post_xfer;
+		i2c->algo.bit.setsda = set_data;
+		i2c->algo.bit.setscl = set_clock;
+		i2c->algo.bit.getsda = get_data;
+		i2c->algo.bit.getscl = get_clock;
+		i2c->algo.bit.udelay = 20;
+		/* vesa says 2.2 ms is enough, 1 jiffy doesn't seem to always
+		 * make this, 2 jiffies is a lot more reliable */
+		i2c->algo.bit.timeout = 2;
+		i2c->algo.bit.data = i2c;
+		ret = i2c_bit_add_bus(&i2c->adapter);
+		if (ret) {
+			DRM_ERROR("Failed to register bit i2c %s\n", name);
+			goto out_free;
+		}
 	}
 
 	return i2c;
@@ -237,12 +952,10 @@ out_free:
 
 }
 
-
 void radeon_i2c_destroy(struct radeon_i2c_chan *i2c)
 {
 	if (!i2c)
 		return;
-
 	i2c_del_adapter(&i2c->adapter);
 	kfree(i2c);
 }
@@ -252,10 +965,10 @@ struct drm_encoder *radeon_best_encoder(struct drm_connector *connector)
 	return NULL;
 }
 
-void radeon_i2c_sw_get_byte(struct radeon_i2c_chan *i2c_bus,
-			    u8 slave_addr,
-			    u8 addr,
-			    u8 *val)
+void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
+			 u8 slave_addr,
+			 u8 addr,
+			 u8 *val)
 {
 	u8 out_buf[2];
 	u8 in_buf[2];
@@ -286,10 +999,10 @@ void radeon_i2c_sw_get_byte(struct radeon_i2c_chan *i2c_bus,
 	}
 }
 
-void radeon_i2c_sw_put_byte(struct radeon_i2c_chan *i2c_bus,
-			    u8 slave_addr,
-			    u8 addr,
-			    u8 val)
+void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c_bus,
+			 u8 slave_addr,
+			 u8 addr,
+			 u8 val)
 {
 	uint8_t out_buf[2];
 	struct i2c_msg msg = {
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 3cfd60fd0083..a212041e8b0b 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -67,9 +67,10 @@ void radeon_driver_irq_preinstall_kms(struct drm_device *dev)
 
 	/* Disable *all* interrupts */
 	rdev->irq.sw_int = false;
-	for (i = 0; i < 2; i++) {
+	for (i = 0; i < rdev->num_crtc; i++)
 		rdev->irq.crtc_vblank_int[i] = false;
-	}
+	for (i = 0; i < 6; i++)
+		rdev->irq.hpd[i] = false;
 	radeon_irq_set(rdev);
 	/* Clear bits */
 	radeon_irq_process(rdev);
@@ -95,34 +96,29 @@ void radeon_driver_irq_uninstall_kms(struct drm_device *dev)
 	}
 	/* Disable *all* interrupts */
 	rdev->irq.sw_int = false;
-	for (i = 0; i < 2; i++) {
+	for (i = 0; i < rdev->num_crtc; i++)
 		rdev->irq.crtc_vblank_int[i] = false;
+	for (i = 0; i < 6; i++)
 		rdev->irq.hpd[i] = false;
-	}
 	radeon_irq_set(rdev);
 }
 
 int radeon_irq_kms_init(struct radeon_device *rdev)
 {
 	int r = 0;
-	int num_crtc = 2;
 
-	if (rdev->flags & RADEON_SINGLE_CRTC)
-		num_crtc = 1;
 	spin_lock_init(&rdev->irq.sw_lock);
-	r = drm_vblank_init(rdev->ddev, num_crtc);
+	r = drm_vblank_init(rdev->ddev, rdev->num_crtc);
 	if (r) {
 		return r;
 	}
 	/* enable msi */
 	rdev->msi_enabled = 0;
-	/* MSIs don't seem to work on my rs780;
-	 * not sure about rs880 or other rs780s.
-	 * Needs more investigation.
+	/* MSIs don't seem to work reliably on all IGP
+	 * chips.  Disable MSI on them for now.
 	 */
 	if ((rdev->family >= CHIP_RV380) &&
-	    (rdev->family != CHIP_RS780) &&
-	    (rdev->family != CHIP_RS880)) {
+	    (!(rdev->flags & RADEON_IS_IGP))) {
 		int ret = pci_enable_msi(rdev->pdev);
 		if (!ret) {
 			rdev->msi_enabled = 1;
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index f23b05606eb5..20ec276e7596 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -30,6 +30,8 @@
 #include "radeon.h"
 #include "radeon_drm.h"
 
+#include <linux/vga_switcheroo.h>
+
 int radeon_driver_unload_kms(struct drm_device *dev)
 {
 	struct radeon_device *rdev = dev->dev_private;
@@ -136,6 +138,7 @@ int radeon_driver_firstopen_kms(struct drm_device *dev)
 
 void radeon_driver_lastclose_kms(struct drm_device *dev)
 {
+	vga_switcheroo_process_delayed_switch();
 }
 
 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
@@ -276,17 +279,17 @@ struct drm_ioctl_desc radeon_ioctls_kms[] = {
 	DRM_IOCTL_DEF(DRM_RADEON_SURF_ALLOC, radeon_surface_alloc_kms, DRM_AUTH),
 	DRM_IOCTL_DEF(DRM_RADEON_SURF_FREE, radeon_surface_free_kms, DRM_AUTH),
 	/* KMS */
-	DRM_IOCTL_DEF(DRM_RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_RADEON_GEM_PREAD, radeon_gem_pread_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_RADEON_GEM_PWRITE, radeon_gem_pwrite_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_RADEON_CS, radeon_cs_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_RADEON_INFO, radeon_info_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH),
-	DRM_IOCTL_DEF(DRM_RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH),
+	DRM_IOCTL_DEF(DRM_RADEON_GEM_INFO, radeon_gem_info_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_RADEON_GEM_CREATE, radeon_gem_create_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_RADEON_GEM_MMAP, radeon_gem_mmap_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_RADEON_GEM_SET_DOMAIN, radeon_gem_set_domain_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_RADEON_GEM_PREAD, radeon_gem_pread_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_RADEON_GEM_PWRITE, radeon_gem_pwrite_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_RADEON_GEM_WAIT_IDLE, radeon_gem_wait_idle_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_RADEON_CS, radeon_cs_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_RADEON_INFO, radeon_info_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_RADEON_GEM_SET_TILING, radeon_gem_set_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_RADEON_GEM_GET_TILING, radeon_gem_get_tiling_ioctl, DRM_AUTH|DRM_UNLOCKED),
+	DRM_IOCTL_DEF(DRM_RADEON_GEM_BUSY, radeon_gem_busy_ioctl, DRM_AUTH|DRM_UNLOCKED),
 };
 int radeon_max_kms_ioctl = DRM_ARRAY_SIZE(radeon_ioctls_kms);
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
index b6d8081e1246..88865e38fe30 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c
@@ -403,7 +403,7 @@ int radeon_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 
 	/* if scanout was in GTT this really wouldn't work */
 	/* crtc offset is from display base addr not FB location */
-	radeon_crtc->legacy_display_base_addr = rdev->mc.vram_location;
+	radeon_crtc->legacy_display_base_addr = rdev->mc.vram_start;
 
 	base -= radeon_crtc->legacy_display_base_addr;
 
@@ -582,29 +582,6 @@ static bool radeon_set_crtc_timing(struct drm_crtc *crtc, struct drm_display_mod
 				   ? RADEON_CRTC_V_SYNC_POL
 				   : 0));
 
-	/* TODO -> Dell Server */
-	if (0) {
-		uint32_t disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG);
-		uint32_t tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL);
-		uint32_t dac2_cntl = RREG32(RADEON_DAC_CNTL2);
-		uint32_t crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL);
-
-		dac2_cntl &= ~RADEON_DAC2_DAC_CLK_SEL;
-		dac2_cntl |= RADEON_DAC2_DAC2_CLK_SEL;
-
-		/* For CRT on DAC2, don't turn it on if BIOS didn't
-		   enable it, even it's detected.
-		*/
-		disp_hw_debug |= RADEON_CRT2_DISP1_SEL;
-		tv_dac_cntl &= ~((1<<2) | (3<<8) | (7<<24) | (0xff<<16));
-		tv_dac_cntl |= (0x03 | (2<<8) | (0x58<<16));
-
-		WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl);
-		WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug);
-		WREG32(RADEON_DAC_CNTL2, dac2_cntl);
-		WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl);
-	}
-
 	if (radeon_crtc->crtc_id) {
 		uint32_t crtc2_gen_cntl;
 		uint32_t disp2_merge_cntl;
@@ -626,6 +603,10 @@ static bool radeon_set_crtc_timing(struct drm_crtc *crtc, struct drm_display_mod
 				      ? RADEON_CRTC2_INTERLACE_EN
 				      : 0));
 
+		/* rs4xx chips seem to like to have the crtc enabled when the timing is set */
+		if ((rdev->family == CHIP_RS400) || (rdev->family == CHIP_RS480))
+			crtc2_gen_cntl |= RADEON_CRTC2_EN;
+
 		disp2_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
 		disp2_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
 
@@ -653,6 +634,10 @@ static bool radeon_set_crtc_timing(struct drm_crtc *crtc, struct drm_display_mod
 				    ? RADEON_CRTC_INTERLACE_EN
 				    : 0));
 
+		/* rs4xx chips seem to like to have the crtc enabled when the timing is set */
+		if ((rdev->family == CHIP_RS400) || (rdev->family == CHIP_RS480))
+			crtc_gen_cntl |= RADEON_CRTC_EN;
+
 		crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL);
 		crtc_ext_cntl |= (RADEON_XCRT_CNT_EN |
 				  RADEON_CRTC_VSYNC_DIS |
@@ -726,6 +711,10 @@ static void radeon_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 		pll = &rdev->clock.p1pll;
 
 	pll->flags = RADEON_PLL_LEGACY;
+	if (radeon_new_pll == 1)
+		pll->algo = PLL_ALGO_NEW;
+	else
+		pll->algo = PLL_ALGO_LEGACY;
 
 	if (mode->clock > 200000) /* range limits??? */
 		pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 38e45e231ef5..cf389ce50a8a 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -115,6 +115,9 @@ static void radeon_legacy_lvds_dpms(struct drm_encoder *encoder, int mode)
 		radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 	else
 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
+
+	/* adjust pm to dpms change */
+	radeon_pm_compute_clocks(rdev);
 }
 
 static void radeon_legacy_lvds_prepare(struct drm_encoder *encoder)
@@ -214,6 +217,11 @@ static bool radeon_legacy_mode_fixup(struct drm_encoder *encoder,
 				     struct drm_display_mode *adjusted_mode)
 {
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+	struct drm_device *dev = encoder->dev;
+	struct radeon_device *rdev = dev->dev_private;
+
+	/* adjust pm to upcoming mode change */
+	radeon_pm_compute_clocks(rdev);
 
 	/* set the active encoder to connector routing */
 	radeon_encoder_set_active_device(encoder);
@@ -285,6 +293,9 @@ static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode
 		radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 	else
 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
+
+	/* adjust pm to dpms change */
+	radeon_pm_compute_clocks(rdev);
 }
 
 static void radeon_legacy_primary_dac_prepare(struct drm_encoder *encoder)
@@ -470,6 +481,9 @@ static void radeon_legacy_tmds_int_dpms(struct drm_encoder *encoder, int mode)
 		radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 	else
 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
+
+	/* adjust pm to dpms change */
+	radeon_pm_compute_clocks(rdev);
 }
 
 static void radeon_legacy_tmds_int_prepare(struct drm_encoder *encoder)
@@ -635,6 +649,9 @@ static void radeon_legacy_tmds_ext_dpms(struct drm_encoder *encoder, int mode)
 		radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 	else
 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
+
+	/* adjust pm to dpms change */
+	radeon_pm_compute_clocks(rdev);
 }
 
 static void radeon_legacy_tmds_ext_prepare(struct drm_encoder *encoder)
@@ -842,6 +859,9 @@ static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode)
 		radeon_atombios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
 	else
 		radeon_combios_encoder_dpms_scratch_regs(encoder, (mode == DRM_MODE_DPMS_ON) ? true : false);
+
+	/* adjust pm to dpms change */
+	radeon_pm_compute_clocks(rdev);
 }
 
 static void radeon_legacy_tv_dac_prepare(struct drm_encoder *encoder)
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_tv.c b/drivers/gpu/drm/radeon/radeon_legacy_tv.c
index 417684daef4c..f2ed27c8055b 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_tv.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_tv.c
@@ -57,6 +57,10 @@
 #define NTSC_TV_PLL_N_14 693
 #define NTSC_TV_PLL_P_14 7
 
+#define PAL_TV_PLL_M_14 19
+#define PAL_TV_PLL_N_14 353
+#define PAL_TV_PLL_P_14 5
+
 #define VERT_LEAD_IN_LINES 2
 #define FRAC_BITS 0xe
 #define FRAC_MASK 0x3fff
@@ -205,9 +209,24 @@ static const struct radeon_tv_mode_constants available_tv_modes[] = {
 		630627,             /* defRestart */
 		347,                /* crtcPLL_N */
 		14,                 /* crtcPLL_M */
-			8,                  /* crtcPLL_postDiv */
+		8,                  /* crtcPLL_postDiv */
 		1022,               /* pixToTV */
 	},
+	{ /* PAL timing for 14 Mhz ref clk */
+		800,                /* horResolution */
+		600,                /* verResolution */
+		TV_STD_PAL,         /* standard */
+		1131,               /* horTotal */
+		742,                /* verTotal */
+		813,                /* horStart */
+		840,                /* horSyncStart */
+		633,                /* verSyncStart */
+		708369,             /* defRestart */
+		211,                /* crtcPLL_N */
+		9,                  /* crtcPLL_M */
+		8,                  /* crtcPLL_postDiv */
+		759,                /* pixToTV */
+	},
 };
 
 #define N_AVAILABLE_MODES ARRAY_SIZE(available_tv_modes)
@@ -242,7 +261,7 @@ static const struct radeon_tv_mode_constants *radeon_legacy_tv_get_std_mode(stru
 		if (pll->reference_freq == 2700)
 			const_ptr = &available_tv_modes[1];
 		else
-			const_ptr = &available_tv_modes[1]; /* FIX ME */
+			const_ptr = &available_tv_modes[3];
 	}
 	return const_ptr;
 }
@@ -685,9 +704,9 @@ void radeon_legacy_tv_mode_set(struct drm_encoder *encoder,
 			n = PAL_TV_PLL_N_27;
 			p = PAL_TV_PLL_P_27;
 		} else {
-			m = PAL_TV_PLL_M_27;
-			n = PAL_TV_PLL_N_27;
-			p = PAL_TV_PLL_P_27;
+			m = PAL_TV_PLL_M_14;
+			n = PAL_TV_PLL_N_14;
+			p = PAL_TV_PLL_P_14;
 		}
 	}
 
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index e81b2aeb6a8f..0b8e32776b10 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -83,6 +83,8 @@ struct radeon_i2c_bus_rec {
 	bool valid;
 	/* id used by atom */
 	uint8_t i2c_id;
+	/* id used by atom */
+	uint8_t hpd_id;
 	/* can be used with hw i2c engine */
 	bool hw_capable;
 	/* uses multi-media i2c engine */
@@ -113,6 +115,7 @@ struct radeon_tmds_pll {
 
 #define RADEON_MAX_BIOS_CONNECTOR 16
 
+/* pll flags */
 #define RADEON_PLL_USE_BIOS_DIVS        (1 << 0)
 #define RADEON_PLL_NO_ODD_POST_DIV      (1 << 1)
 #define RADEON_PLL_USE_REF_DIV          (1 << 2)
@@ -126,6 +129,13 @@ struct radeon_tmds_pll {
 #define RADEON_PLL_USE_FRAC_FB_DIV      (1 << 10)
 #define RADEON_PLL_PREFER_CLOSEST_LOWER (1 << 11)
 #define RADEON_PLL_USE_POST_DIV         (1 << 12)
+#define RADEON_PLL_IS_LCD               (1 << 13)
+
+/* pll algo */
+enum radeon_pll_algo {
+	PLL_ALGO_LEGACY,
+	PLL_ALGO_NEW
+};
 
 struct radeon_pll {
 	/* reference frequency */
@@ -140,6 +150,8 @@ struct radeon_pll {
 	uint32_t pll_in_max;
 	uint32_t pll_out_min;
 	uint32_t pll_out_max;
+	uint32_t lcd_pll_out_min;
+	uint32_t lcd_pll_out_max;
 	uint32_t best_vco;
 
 	/* divider limits */
@@ -157,14 +169,16 @@ struct radeon_pll {
 
 	/* pll id */
 	uint32_t id;
+	/* pll algo */
+	enum radeon_pll_algo algo;
 };
 
 struct radeon_i2c_chan {
 	struct i2c_adapter adapter;
 	struct drm_device *dev;
 	union {
-		struct i2c_algo_dp_aux_data dp;
 		struct i2c_algo_bit_data bit;
+		struct i2c_algo_dp_aux_data dp;
 	} algo;
 	struct radeon_i2c_bus_rec rec;
 };
@@ -193,7 +207,7 @@ struct radeon_mode_info {
 	struct card_info *atom_card_info;
 	enum radeon_connector_table connector_table;
 	bool mode_config_initialized;
-	struct radeon_crtc *crtcs[2];
+	struct radeon_crtc *crtcs[6];
 	/* DVI-I properties */
 	struct drm_property *coherent_mode_property;
 	/* DAC enable load detect */
@@ -202,7 +216,8 @@ struct radeon_mode_info {
 	struct drm_property *tv_std_property;
 	/* legacy TMDS PLL detect */
 	struct drm_property *tmds_pll_property;
-
+	/* hardcoded DFP edid from BIOS */
+	struct edid *bios_hardcoded_edid;
 };
 
 #define MAX_H_CODE_TIMING_LEN 32
@@ -237,6 +252,7 @@ struct radeon_crtc {
 	fixed20_12 vsc;
 	fixed20_12 hsc;
 	struct drm_display_mode native_mode;
+	int pll_id;
 };
 
 struct radeon_encoder_primary_dac {
@@ -303,6 +319,7 @@ struct radeon_encoder_atom_dig {
 	/* atom lvds */
 	uint32_t lvds_misc;
 	uint16_t panel_pwr_delay;
+	enum radeon_pll_algo pll_algo;
 	struct radeon_atom_ss *ss;
 	/* panel mode */
 	struct drm_display_mode native_mode;
@@ -323,6 +340,7 @@ struct radeon_encoder {
 	struct drm_display_mode native_mode;
 	void *enc_priv;
 	int hdmi_offset;
+	int hdmi_config_offset;
 	int hdmi_audio_workaround;
 	int hdmi_buffer_status;
 };
@@ -398,6 +416,7 @@ extern void dp_link_train(struct drm_encoder *encoder,
 			  struct drm_connector *connector);
 extern u8 radeon_dp_getsinktype(struct radeon_connector *radeon_connector);
 extern bool radeon_dp_getdpcd(struct radeon_connector *radeon_connector);
+extern void atombios_dig_encoder_setup(struct drm_encoder *encoder, int action);
 extern void atombios_dig_transmitter_setup(struct drm_encoder *encoder,
 					   int action, uint8_t lane_num,
 					   uint8_t lane_set);
@@ -411,14 +430,14 @@ extern struct radeon_i2c_chan *radeon_i2c_create(struct drm_device *dev,
 						 struct radeon_i2c_bus_rec *rec,
 						 const char *name);
 extern void radeon_i2c_destroy(struct radeon_i2c_chan *i2c);
-extern void radeon_i2c_sw_get_byte(struct radeon_i2c_chan *i2c_bus,
-				   u8 slave_addr,
-				   u8 addr,
-				   u8 *val);
-extern void radeon_i2c_sw_put_byte(struct radeon_i2c_chan *i2c,
-				   u8 slave_addr,
-				   u8 addr,
-				   u8 val);
+extern void radeon_i2c_get_byte(struct radeon_i2c_chan *i2c_bus,
+				u8 slave_addr,
+				u8 addr,
+				u8 *val);
+extern void radeon_i2c_put_byte(struct radeon_i2c_chan *i2c,
+				u8 slave_addr,
+				u8 addr,
+				u8 val);
 extern bool radeon_ddc_probe(struct radeon_connector *radeon_connector);
 extern int radeon_ddc_get_modes(struct radeon_connector *radeon_connector);
 
@@ -432,14 +451,6 @@ extern void radeon_compute_pll(struct radeon_pll *pll,
 			       uint32_t *ref_div_p,
 			       uint32_t *post_div_p);
 
-extern void radeon_compute_pll_avivo(struct radeon_pll *pll,
-				     uint64_t freq,
-				     uint32_t *dot_clock_p,
-				     uint32_t *fb_div_p,
-				     uint32_t *frac_fb_div_p,
-				     uint32_t *ref_div_p,
-				     uint32_t *post_div_p);
-
 extern void radeon_setup_encoder_clones(struct drm_device *dev);
 
 struct drm_encoder *radeon_encoder_legacy_lvds_add(struct drm_device *dev, int bios_index);
@@ -473,6 +484,9 @@ extern int radeon_crtc_cursor_set(struct drm_crtc *crtc,
 extern int radeon_crtc_cursor_move(struct drm_crtc *crtc,
 				   int x, int y);
 
+extern bool radeon_combios_check_hardcoded_edid(struct radeon_device *rdev);
+extern struct edid *
+radeon_combios_get_hardcoded_edid(struct radeon_device *rdev);
 extern bool radeon_atom_get_clock_info(struct drm_device *dev);
 extern bool radeon_combios_get_clock_info(struct drm_device *dev);
 extern struct radeon_encoder_atom_dig *
@@ -531,7 +545,6 @@ void radeon_atombios_init_crtc(struct drm_device *dev,
 			       struct radeon_crtc *radeon_crtc);
 void radeon_legacy_init_crtc(struct drm_device *dev,
 			     struct radeon_crtc *radeon_crtc);
-extern void radeon_i2c_do_lock(struct radeon_i2c_chan *i2c, int lock_state);
 
 void radeon_get_clock_info(struct drm_device *dev);
 
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index f1da370928eb..dc7e3f449138 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -178,7 +178,6 @@ int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
 {
 	int r, i;
 
-	radeon_ttm_placement_from_domain(bo, domain);
 	if (bo->pin_count) {
 		bo->pin_count++;
 		if (gpu_addr)
@@ -186,6 +185,10 @@ int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
 		return 0;
 	}
 	radeon_ttm_placement_from_domain(bo, domain);
+	if (domain == RADEON_GEM_DOMAIN_VRAM) {
+		/* force to pin into visible video ram */
+		bo->placement.lpfn = bo->rdev->mc.visible_vram_size >> PAGE_SHIFT;
+	}
 	for (i = 0; i < bo->placement.num_placement; i++)
 		bo->placements[i] |= TTM_PL_FLAG_NO_EVICT;
 	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 8bce64cdc320..a4b57493aa78 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -18,21 +18,441 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  *
  * Authors: Rafał Miłecki <zajec5@gmail.com>
+ *          Alex Deucher <alexdeucher@gmail.com>
  */
 #include "drmP.h"
 #include "radeon.h"
+#include "avivod.h"
 
-int radeon_debugfs_pm_init(struct radeon_device *rdev);
+#define RADEON_IDLE_LOOP_MS 100
+#define RADEON_RECLOCK_DELAY_MS 200
+#define RADEON_WAIT_VBLANK_TIMEOUT 200
+
+static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish);
+static void radeon_pm_set_clocks_locked(struct radeon_device *rdev);
+static void radeon_pm_set_clocks(struct radeon_device *rdev);
+static void radeon_pm_idle_work_handler(struct work_struct *work);
+static int radeon_debugfs_pm_init(struct radeon_device *rdev);
+
+static const char *pm_state_names[4] = {
+	"PM_STATE_DISABLED",
+	"PM_STATE_MINIMUM",
+	"PM_STATE_PAUSED",
+	"PM_STATE_ACTIVE"
+};
+
+static const char *pm_state_types[5] = {
+	"Default",
+	"Powersave",
+	"Battery",
+	"Balanced",
+	"Performance",
+};
+
+static void radeon_print_power_mode_info(struct radeon_device *rdev)
+{
+	int i, j;
+	bool is_default;
+
+	DRM_INFO("%d Power State(s)\n", rdev->pm.num_power_states);
+	for (i = 0; i < rdev->pm.num_power_states; i++) {
+		if (rdev->pm.default_power_state == &rdev->pm.power_state[i])
+			is_default = true;
+		else
+			is_default = false;
+		DRM_INFO("State %d %s %s\n", i,
+			 pm_state_types[rdev->pm.power_state[i].type],
+			 is_default ? "(default)" : "");
+		if ((rdev->flags & RADEON_IS_PCIE) && !(rdev->flags & RADEON_IS_IGP))
+			DRM_INFO("\t%d PCIE Lanes\n", rdev->pm.power_state[i].non_clock_info.pcie_lanes);
+		DRM_INFO("\t%d Clock Mode(s)\n", rdev->pm.power_state[i].num_clock_modes);
+		for (j = 0; j < rdev->pm.power_state[i].num_clock_modes; j++) {
+			if (rdev->flags & RADEON_IS_IGP)
+				DRM_INFO("\t\t%d engine: %d\n",
+					 j,
+					 rdev->pm.power_state[i].clock_info[j].sclk * 10);
+			else
+				DRM_INFO("\t\t%d engine/memory: %d/%d\n",
+					 j,
+					 rdev->pm.power_state[i].clock_info[j].sclk * 10,
+					 rdev->pm.power_state[i].clock_info[j].mclk * 10);
+		}
+	}
+}
+
+static struct radeon_power_state * radeon_pick_power_state(struct radeon_device *rdev,
+							   enum radeon_pm_state_type type)
+{
+	int i, j;
+	enum radeon_pm_state_type wanted_types[2];
+	int wanted_count;
+
+	switch (type) {
+	case POWER_STATE_TYPE_DEFAULT:
+	default:
+		return rdev->pm.default_power_state;
+	case POWER_STATE_TYPE_POWERSAVE:
+		if (rdev->flags & RADEON_IS_MOBILITY) {
+			wanted_types[0] = POWER_STATE_TYPE_POWERSAVE;
+			wanted_types[1] = POWER_STATE_TYPE_BATTERY;
+			wanted_count = 2;
+		} else {
+			wanted_types[0] = POWER_STATE_TYPE_PERFORMANCE;
+			wanted_count = 1;
+		}
+		break;
+	case POWER_STATE_TYPE_BATTERY:
+		if (rdev->flags & RADEON_IS_MOBILITY) {
+			wanted_types[0] = POWER_STATE_TYPE_BATTERY;
+			wanted_types[1] = POWER_STATE_TYPE_POWERSAVE;
+			wanted_count = 2;
+		} else {
+			wanted_types[0] = POWER_STATE_TYPE_PERFORMANCE;
+			wanted_count = 1;
+		}
+		break;
+	case POWER_STATE_TYPE_BALANCED:
+	case POWER_STATE_TYPE_PERFORMANCE:
+		wanted_types[0] = type;
+		wanted_count = 1;
+		break;
+	}
+
+	for (i = 0; i < wanted_count; i++) {
+		for (j = 0; j < rdev->pm.num_power_states; j++) {
+			if (rdev->pm.power_state[j].type == wanted_types[i])
+				return &rdev->pm.power_state[j];
+		}
+	}
+
+	return rdev->pm.default_power_state;
+}
+
+static struct radeon_pm_clock_info * radeon_pick_clock_mode(struct radeon_device *rdev,
+							    struct radeon_power_state *power_state,
+							    enum radeon_pm_clock_mode_type type)
+{
+	switch (type) {
+	case POWER_MODE_TYPE_DEFAULT:
+	default:
+		return power_state->default_clock_mode;
+	case POWER_MODE_TYPE_LOW:
+		return &power_state->clock_info[0];
+	case POWER_MODE_TYPE_MID:
+		if (power_state->num_clock_modes > 2)
+			return &power_state->clock_info[1];
+		else
+			return &power_state->clock_info[0];
+		break;
+	case POWER_MODE_TYPE_HIGH:
+		return &power_state->clock_info[power_state->num_clock_modes - 1];
+	}
+
+}
+
+static void radeon_get_power_state(struct radeon_device *rdev,
+				   enum radeon_pm_action action)
+{
+	switch (action) {
+	case PM_ACTION_MINIMUM:
+		rdev->pm.requested_power_state = radeon_pick_power_state(rdev, POWER_STATE_TYPE_BATTERY);
+		rdev->pm.requested_clock_mode =
+			radeon_pick_clock_mode(rdev, rdev->pm.requested_power_state, POWER_MODE_TYPE_LOW);
+		break;
+	case PM_ACTION_DOWNCLOCK:
+		rdev->pm.requested_power_state = radeon_pick_power_state(rdev, POWER_STATE_TYPE_POWERSAVE);
+		rdev->pm.requested_clock_mode =
+			radeon_pick_clock_mode(rdev, rdev->pm.requested_power_state, POWER_MODE_TYPE_MID);
+		break;
+	case PM_ACTION_UPCLOCK:
+		rdev->pm.requested_power_state = radeon_pick_power_state(rdev, POWER_STATE_TYPE_DEFAULT);
+		rdev->pm.requested_clock_mode =
+			radeon_pick_clock_mode(rdev, rdev->pm.requested_power_state, POWER_MODE_TYPE_HIGH);
+		break;
+	case PM_ACTION_NONE:
+	default:
+		DRM_ERROR("Requested mode for not defined action\n");
+		return;
+	}
+	DRM_INFO("Requested: e: %d m: %d p: %d\n",
+		 rdev->pm.requested_clock_mode->sclk,
+		 rdev->pm.requested_clock_mode->mclk,
+		 rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
+}
+
+static inline void radeon_sync_with_vblank(struct radeon_device *rdev)
+{
+	if (rdev->pm.active_crtcs) {
+		rdev->pm.vblank_sync = false;
+		wait_event_timeout(
+			rdev->irq.vblank_queue, rdev->pm.vblank_sync,
+			msecs_to_jiffies(RADEON_WAIT_VBLANK_TIMEOUT));
+	}
+}
+
+static void radeon_set_power_state(struct radeon_device *rdev)
+{
+	/* if *_clock_mode are the same, *_power_state are as well */
+	if (rdev->pm.requested_clock_mode == rdev->pm.current_clock_mode)
+		return;
+
+	DRM_INFO("Setting: e: %d m: %d p: %d\n",
+		 rdev->pm.requested_clock_mode->sclk,
+		 rdev->pm.requested_clock_mode->mclk,
+		 rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
+
+	/* set pcie lanes */
+	/* TODO */
+
+	/* set voltage */
+	/* TODO */
+
+	/* set engine clock */
+	radeon_sync_with_vblank(rdev);
+	radeon_pm_debug_check_in_vbl(rdev, false);
+	radeon_set_engine_clock(rdev, rdev->pm.requested_clock_mode->sclk);
+	radeon_pm_debug_check_in_vbl(rdev, true);
+
+#if 0
+	/* set memory clock */
+	if (rdev->asic->set_memory_clock) {
+		radeon_sync_with_vblank(rdev);
+		radeon_pm_debug_check_in_vbl(rdev, false);
+		radeon_set_memory_clock(rdev, rdev->pm.requested_clock_mode->mclk);
+		radeon_pm_debug_check_in_vbl(rdev, true);
+	}
+#endif
+
+	rdev->pm.current_power_state = rdev->pm.requested_power_state;
+	rdev->pm.current_clock_mode = rdev->pm.requested_clock_mode;
+}
 
 int radeon_pm_init(struct radeon_device *rdev)
 {
+	rdev->pm.state = PM_STATE_DISABLED;
+	rdev->pm.planned_action = PM_ACTION_NONE;
+	rdev->pm.downclocked = false;
+
+	if (rdev->bios) {
+		if (rdev->is_atom_bios)
+			radeon_atombios_get_power_modes(rdev);
+		else
+			radeon_combios_get_power_modes(rdev);
+		radeon_print_power_mode_info(rdev);
+	}
+
 	if (radeon_debugfs_pm_init(rdev)) {
 		DRM_ERROR("Failed to register debugfs file for PM!\n");
 	}
 
+	INIT_DELAYED_WORK(&rdev->pm.idle_work, radeon_pm_idle_work_handler);
+
+	if (radeon_dynpm != -1 && radeon_dynpm) {
+		rdev->pm.state = PM_STATE_PAUSED;
+		DRM_INFO("radeon: dynamic power management enabled\n");
+	}
+
+	DRM_INFO("radeon: power management initialized\n");
+
 	return 0;
 }
 
+void radeon_pm_fini(struct radeon_device *rdev)
+{
+	if (rdev->pm.i2c_bus)
+		radeon_i2c_destroy(rdev->pm.i2c_bus);
+}
+
+void radeon_pm_compute_clocks(struct radeon_device *rdev)
+{
+	struct drm_device *ddev = rdev->ddev;
+	struct drm_connector *connector;
+	struct radeon_crtc *radeon_crtc;
+	int count = 0;
+
+	if (rdev->pm.state == PM_STATE_DISABLED)
+		return;
+
+	mutex_lock(&rdev->pm.mutex);
+
+	rdev->pm.active_crtcs = 0;
+	list_for_each_entry(connector,
+		&ddev->mode_config.connector_list, head) {
+		if (connector->encoder &&
+		    connector->encoder->crtc &&
+		    connector->dpms != DRM_MODE_DPMS_OFF) {
+			radeon_crtc = to_radeon_crtc(connector->encoder->crtc);
+			rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id);
+			++count;
+		}
+	}
+
+	if (count > 1) {
+		if (rdev->pm.state == PM_STATE_ACTIVE) {
+			cancel_delayed_work(&rdev->pm.idle_work);
+
+			rdev->pm.state = PM_STATE_PAUSED;
+			rdev->pm.planned_action = PM_ACTION_UPCLOCK;
+			if (rdev->pm.downclocked)
+				radeon_pm_set_clocks(rdev);
+
+			DRM_DEBUG("radeon: dynamic power management deactivated\n");
+		}
+	} else if (count == 1) {
+		/* TODO: Increase clocks if needed for current mode */
+
+		if (rdev->pm.state == PM_STATE_MINIMUM) {
+			rdev->pm.state = PM_STATE_ACTIVE;
+			rdev->pm.planned_action = PM_ACTION_UPCLOCK;
+			radeon_pm_set_clocks(rdev);
+
+			queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
+				msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
+		}
+		else if (rdev->pm.state == PM_STATE_PAUSED) {
+			rdev->pm.state = PM_STATE_ACTIVE;
+			queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
+				msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
+			DRM_DEBUG("radeon: dynamic power management activated\n");
+		}
+	}
+	else { /* count == 0 */
+		if (rdev->pm.state != PM_STATE_MINIMUM) {
+			cancel_delayed_work(&rdev->pm.idle_work);
+
+			rdev->pm.state = PM_STATE_MINIMUM;
+			rdev->pm.planned_action = PM_ACTION_MINIMUM;
+			radeon_pm_set_clocks(rdev);
+		}
+	}
+
+	mutex_unlock(&rdev->pm.mutex);
+}
+
+static bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
+{
+	u32 stat_crtc1 = 0, stat_crtc2 = 0;
+	bool in_vbl = true;
+
+	if (ASIC_IS_AVIVO(rdev)) {
+		if (rdev->pm.active_crtcs & (1 << 0)) {
+			stat_crtc1 = RREG32(D1CRTC_STATUS);
+			if (!(stat_crtc1 & 1))
+				in_vbl = false;
+		}
+		if (rdev->pm.active_crtcs & (1 << 1)) {
+			stat_crtc2 = RREG32(D2CRTC_STATUS);
+			if (!(stat_crtc2 & 1))
+				in_vbl = false;
+		}
+	}
+	if (in_vbl == false)
+		DRM_INFO("not in vbl for pm change %08x %08x at %s\n", stat_crtc1,
+			 stat_crtc2, finish ? "exit" : "entry");
+	return in_vbl;
+}
+static void radeon_pm_set_clocks_locked(struct radeon_device *rdev)
+{
+	/*radeon_fence_wait_last(rdev);*/
+	switch (rdev->pm.planned_action) {
+	case PM_ACTION_UPCLOCK:
+		rdev->pm.downclocked = false;
+		break;
+	case PM_ACTION_DOWNCLOCK:
+		rdev->pm.downclocked = true;
+		break;
+	case PM_ACTION_MINIMUM:
+		break;
+	case PM_ACTION_NONE:
+		DRM_ERROR("%s: PM_ACTION_NONE\n", __func__);
+		break;
+	}
+
+	radeon_set_power_state(rdev);
+	rdev->pm.planned_action = PM_ACTION_NONE;
+}
+
+static void radeon_pm_set_clocks(struct radeon_device *rdev)
+{
+	radeon_get_power_state(rdev, rdev->pm.planned_action);
+	mutex_lock(&rdev->cp.mutex);
+
+	if (rdev->pm.active_crtcs & (1 << 0)) {
+		rdev->pm.req_vblank |= (1 << 0);
+		drm_vblank_get(rdev->ddev, 0);
+	}
+	if (rdev->pm.active_crtcs & (1 << 1)) {
+		rdev->pm.req_vblank |= (1 << 1);
+		drm_vblank_get(rdev->ddev, 1);
+	}
+	radeon_pm_set_clocks_locked(rdev);
+	if (rdev->pm.req_vblank & (1 << 0)) {
+		rdev->pm.req_vblank &= ~(1 << 0);
+		drm_vblank_put(rdev->ddev, 0);
+	}
+	if (rdev->pm.req_vblank & (1 << 1)) {
+		rdev->pm.req_vblank &= ~(1 << 1);
+		drm_vblank_put(rdev->ddev, 1);
+	}
+
+	mutex_unlock(&rdev->cp.mutex);
+}
+
+static void radeon_pm_idle_work_handler(struct work_struct *work)
+{
+	struct radeon_device *rdev;
+	rdev = container_of(work, struct radeon_device,
+				pm.idle_work.work);
+
+	mutex_lock(&rdev->pm.mutex);
+	if (rdev->pm.state == PM_STATE_ACTIVE) {
+		unsigned long irq_flags;
+		int not_processed = 0;
+
+		read_lock_irqsave(&rdev->fence_drv.lock, irq_flags);
+		if (!list_empty(&rdev->fence_drv.emited)) {
+			struct list_head *ptr;
+			list_for_each(ptr, &rdev->fence_drv.emited) {
+				/* count up to 3, that's enought info */
+				if (++not_processed >= 3)
+					break;
+			}
+		}
+		read_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags);
+
+		if (not_processed >= 3) { /* should upclock */
+			if (rdev->pm.planned_action == PM_ACTION_DOWNCLOCK) {
+				rdev->pm.planned_action = PM_ACTION_NONE;
+			} else if (rdev->pm.planned_action == PM_ACTION_NONE &&
+				rdev->pm.downclocked) {
+				rdev->pm.planned_action =
+					PM_ACTION_UPCLOCK;
+				rdev->pm.action_timeout = jiffies +
+				msecs_to_jiffies(RADEON_RECLOCK_DELAY_MS);
+			}
+		} else if (not_processed == 0) { /* should downclock */
+			if (rdev->pm.planned_action == PM_ACTION_UPCLOCK) {
+				rdev->pm.planned_action = PM_ACTION_NONE;
+			} else if (rdev->pm.planned_action == PM_ACTION_NONE &&
+				!rdev->pm.downclocked) {
+				rdev->pm.planned_action =
+					PM_ACTION_DOWNCLOCK;
+				rdev->pm.action_timeout = jiffies +
+				msecs_to_jiffies(RADEON_RECLOCK_DELAY_MS);
+			}
+		}
+
+		if (rdev->pm.planned_action != PM_ACTION_NONE &&
+		    jiffies > rdev->pm.action_timeout) {
+			radeon_pm_set_clocks(rdev);
+		}
+	}
+	mutex_unlock(&rdev->pm.mutex);
+
+	queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
+					msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
+}
+
 /*
  * Debugfs info
  */
@@ -44,11 +464,14 @@ static int radeon_debugfs_pm_info(struct seq_file *m, void *data)
 	struct drm_device *dev = node->minor->dev;
 	struct radeon_device *rdev = dev->dev_private;
 
+	seq_printf(m, "state: %s\n", pm_state_names[rdev->pm.state]);
 	seq_printf(m, "default engine clock: %u0 kHz\n", rdev->clock.default_sclk);
 	seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev));
 	seq_printf(m, "default memory clock: %u0 kHz\n", rdev->clock.default_mclk);
 	if (rdev->asic->get_memory_clock)
 		seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev));
+	if (rdev->asic->get_pcie_lanes)
+		seq_printf(m, "PCIE lanes: %d\n", radeon_get_pcie_lanes(rdev));
 
 	return 0;
 }
@@ -58,7 +481,7 @@ static struct drm_info_list radeon_pm_info_list[] = {
 };
 #endif
 
-int radeon_debugfs_pm_init(struct radeon_device *rdev)
+static int radeon_debugfs_pm_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
 	return radeon_debugfs_add_files(rdev, radeon_pm_info_list, ARRAY_SIZE(radeon_pm_info_list));
diff --git a/drivers/gpu/drm/radeon/radeon_reg.h b/drivers/gpu/drm/radeon/radeon_reg.h
index 6d0a009dd4a1..eabbc9cf30a7 100644
--- a/drivers/gpu/drm/radeon/radeon_reg.h
+++ b/drivers/gpu/drm/radeon/radeon_reg.h
@@ -54,7 +54,7 @@
 #include "r300_reg.h"
 #include "r500_reg.h"
 #include "r600_reg.h"
-
+#include "evergreen_reg.h"
 
 #define RADEON_MC_AGP_LOCATION		0x014c
 #define		RADEON_MC_AGP_START_MASK	0x0000FFFF
@@ -346,6 +346,7 @@
 #       define RADEON_TVPLL_PWRMGT_OFF      (1 << 30)
 #       define RADEON_TVCLK_TURNOFF         (1 << 31)
 #define RADEON_PLL_PWRMGT_CNTL              0x0015 /* PLL */
+#	define RADEON_PM_MODE_SEL           (1 << 13)
 #       define RADEON_TCL_BYPASS_DISABLE    (1 << 20)
 #define RADEON_CLR_CMP_CLR_3D               0x1a24
 #define RADEON_CLR_CMP_CLR_DST              0x15c8
@@ -1060,32 +1061,38 @@
 
        /* Multimedia I2C bus */
 #define RADEON_I2C_CNTL_0		    0x0090
-#define RADEON_I2C_DONE                     (1 << 0)
-#define RADEON_I2C_NACK                     (1 << 1)
-#define RADEON_I2C_HALT                     (1 << 2)
-#define RADEON_I2C_SOFT_RST                 (1 << 5)
-#define RADEON_I2C_DRIVE_EN                 (1 << 6)
-#define RADEON_I2C_DRIVE_SEL                (1 << 7)
-#define RADEON_I2C_START                    (1 << 8)
-#define RADEON_I2C_STOP                     (1 << 9)
-#define RADEON_I2C_RECEIVE                  (1 << 10)
-#define RADEON_I2C_ABORT                    (1 << 11)
-#define RADEON_I2C_GO                       (1 << 12)
-#define RADEON_I2C_PRESCALE_SHIFT           16
+#       define RADEON_I2C_DONE              (1 << 0)
+#       define RADEON_I2C_NACK              (1 << 1)
+#       define RADEON_I2C_HALT              (1 << 2)
+#       define RADEON_I2C_SOFT_RST          (1 << 5)
+#       define RADEON_I2C_DRIVE_EN          (1 << 6)
+#       define RADEON_I2C_DRIVE_SEL         (1 << 7)
+#       define RADEON_I2C_START             (1 << 8)
+#       define RADEON_I2C_STOP              (1 << 9)
+#       define RADEON_I2C_RECEIVE           (1 << 10)
+#       define RADEON_I2C_ABORT             (1 << 11)
+#       define RADEON_I2C_GO                (1 << 12)
+#       define RADEON_I2C_PRESCALE_SHIFT    16
 #define RADEON_I2C_CNTL_1                   0x0094
-#define RADEON_I2C_DATA_COUNT_SHIFT         0
-#define RADEON_I2C_ADDR_COUNT_SHIFT         4
-#define RADEON_I2C_INTRA_BYTE_DELAY_SHIFT   8
-#define RADEON_I2C_SEL                      (1 << 16)
-#define RADEON_I2C_EN                       (1 << 17)
-#define RADEON_I2C_TIME_LIMIT_SHIFT         24
+#       define RADEON_I2C_DATA_COUNT_SHIFT  0
+#       define RADEON_I2C_ADDR_COUNT_SHIFT  4
+#       define RADEON_I2C_INTRA_BYTE_DELAY_SHIFT   8
+#       define RADEON_I2C_SEL               (1 << 16)
+#       define RADEON_I2C_EN                (1 << 17)
+#       define RADEON_I2C_TIME_LIMIT_SHIFT  24
 #define RADEON_I2C_DATA			    0x0098
 
 #define RADEON_DVI_I2C_CNTL_0		    0x02e0
 #       define R200_DVI_I2C_PIN_SEL(x)      ((x) << 3)
-#       define R200_SEL_DDC1                0 /* 0x60 - VGA_DDC */
-#       define R200_SEL_DDC2                1 /* 0x64 - DVI_DDC */
-#       define R200_SEL_DDC3                2 /* 0x68 - MONID_DDC */
+#       define R200_SEL_DDC1                0 /* depends on asic */
+#       define R200_SEL_DDC2                1 /* depends on asic */
+#       define R200_SEL_DDC3                2 /* depends on asic */
+#	define RADEON_SW_WANTS_TO_USE_DVI_I2C (1 << 13)
+#	define RADEON_SW_CAN_USE_DVI_I2C      (1 << 13)
+#	define RADEON_SW_DONE_USING_DVI_I2C   (1 << 14)
+#	define RADEON_HW_NEEDS_DVI_I2C        (1 << 14)
+#	define RADEON_ABORT_HW_DVI_I2C        (1 << 15)
+#	define RADEON_HW_USING_DVI_I2C        (1 << 15)
 #define RADEON_DVI_I2C_CNTL_1               0x02e4
 #define RADEON_DVI_I2C_DATA		    0x02e8
 
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 6579eb4c1f28..e50513a62735 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -34,6 +34,36 @@
 
 int radeon_debugfs_ib_init(struct radeon_device *rdev);
 
+void radeon_ib_bogus_cleanup(struct radeon_device *rdev)
+{
+	struct radeon_ib *ib, *n;
+
+	list_for_each_entry_safe(ib, n, &rdev->ib_pool.bogus_ib, list) {
+		list_del(&ib->list);
+		vfree(ib->ptr);
+		kfree(ib);
+	}
+}
+
+void radeon_ib_bogus_add(struct radeon_device *rdev, struct radeon_ib *ib)
+{
+	struct radeon_ib *bib;
+
+	bib = kmalloc(sizeof(*bib), GFP_KERNEL);
+	if (bib == NULL)
+		return;
+	bib->ptr = vmalloc(ib->length_dw * 4);
+	if (bib->ptr == NULL) {
+		kfree(bib);
+		return;
+	}
+	memcpy(bib->ptr, ib->ptr, ib->length_dw * 4);
+	bib->length_dw = ib->length_dw;
+	mutex_lock(&rdev->ib_pool.mutex);
+	list_add_tail(&bib->list, &rdev->ib_pool.bogus_ib);
+	mutex_unlock(&rdev->ib_pool.mutex);
+}
+
 /*
  * IB.
  */
@@ -142,6 +172,7 @@ int radeon_ib_pool_init(struct radeon_device *rdev)
 
 	if (rdev->ib_pool.robj)
 		return 0;
+	INIT_LIST_HEAD(&rdev->ib_pool.bogus_ib);
 	/* Allocate 1M object buffer */
 	r = radeon_bo_create(rdev, NULL,  RADEON_IB_POOL_SIZE*64*1024,
 				true, RADEON_GEM_DOMAIN_GTT,
@@ -192,6 +223,8 @@ void radeon_ib_pool_fini(struct radeon_device *rdev)
 		return;
 	}
 	mutex_lock(&rdev->ib_pool.mutex);
+	radeon_ib_bogus_cleanup(rdev);
+
 	if (rdev->ib_pool.robj) {
 		r = radeon_bo_reserve(rdev->ib_pool.robj, false);
 		if (likely(r == 0)) {
@@ -349,15 +382,49 @@ static int radeon_debugfs_ib_info(struct seq_file *m, void *data)
 	return 0;
 }
 
+static int radeon_debugfs_ib_bogus_info(struct seq_file *m, void *data)
+{
+	struct drm_info_node *node = (struct drm_info_node *) m->private;
+	struct radeon_device *rdev = node->info_ent->data;
+	struct radeon_ib *ib;
+	unsigned i;
+
+	mutex_lock(&rdev->ib_pool.mutex);
+	if (list_empty(&rdev->ib_pool.bogus_ib)) {
+		mutex_unlock(&rdev->ib_pool.mutex);
+		seq_printf(m, "no bogus IB recorded\n");
+		return 0;
+	}
+	ib = list_first_entry(&rdev->ib_pool.bogus_ib, struct radeon_ib, list);
+	list_del_init(&ib->list);
+	mutex_unlock(&rdev->ib_pool.mutex);
+	seq_printf(m, "IB size %05u dwords\n", ib->length_dw);
+	for (i = 0; i < ib->length_dw; i++) {
+		seq_printf(m, "[%05u]=0x%08X\n", i, ib->ptr[i]);
+	}
+	vfree(ib->ptr);
+	kfree(ib);
+	return 0;
+}
+
 static struct drm_info_list radeon_debugfs_ib_list[RADEON_IB_POOL_SIZE];
 static char radeon_debugfs_ib_names[RADEON_IB_POOL_SIZE][32];
+
+static struct drm_info_list radeon_debugfs_ib_bogus_info_list[] = {
+	{"radeon_ib_bogus", radeon_debugfs_ib_bogus_info, 0, NULL},
+};
 #endif
 
 int radeon_debugfs_ib_init(struct radeon_device *rdev)
 {
 #if defined(CONFIG_DEBUG_FS)
 	unsigned i;
+	int r;
 
+	radeon_debugfs_ib_bogus_info_list[0].data = rdev;
+	r = radeon_debugfs_add_files(rdev, radeon_debugfs_ib_bogus_info_list, 1);
+	if (r)
+		return r;
 	for (i = 0; i < RADEON_IB_POOL_SIZE; i++) {
 		sprintf(radeon_debugfs_ib_names[i], "radeon_ib_%04u", i);
 		radeon_debugfs_ib_list[i].name = radeon_debugfs_ib_names[i];
diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c
index 067167cb39ca..40ab6d9c3736 100644
--- a/drivers/gpu/drm/radeon/radeon_state.c
+++ b/drivers/gpu/drm/radeon/radeon_state.c
@@ -29,6 +29,7 @@
 
 #include "drmP.h"
 #include "drm.h"
+#include "drm_buffer.h"
 #include "drm_sarea.h"
 #include "radeon_drm.h"
 #include "radeon_drv.h"
@@ -91,21 +92,27 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
 static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
 						     dev_priv,
 						     struct drm_file *file_priv,
-						     int id, u32 *data)
+						     int id, struct drm_buffer *buf)
 {
+	u32 *data;
 	switch (id) {
 
 	case RADEON_EMIT_PP_MISC:
-		if (radeon_check_and_fixup_offset(dev_priv, file_priv,
-		    &data[(RADEON_RB3D_DEPTHOFFSET - RADEON_PP_MISC) / 4])) {
+		data = drm_buffer_pointer_to_dword(buf,
+			(RADEON_RB3D_DEPTHOFFSET - RADEON_PP_MISC) / 4);
+
+		if (radeon_check_and_fixup_offset(dev_priv, file_priv, data)) {
 			DRM_ERROR("Invalid depth buffer offset\n");
 			return -EINVAL;
 		}
+		dev_priv->have_z_offset = 1;
 		break;
 
 	case RADEON_EMIT_PP_CNTL:
-		if (radeon_check_and_fixup_offset(dev_priv, file_priv,
-		    &data[(RADEON_RB3D_COLOROFFSET - RADEON_PP_CNTL) / 4])) {
+		data = drm_buffer_pointer_to_dword(buf,
+			(RADEON_RB3D_COLOROFFSET - RADEON_PP_CNTL) / 4);
+
+		if (radeon_check_and_fixup_offset(dev_priv, file_priv, data)) {
 			DRM_ERROR("Invalid colour buffer offset\n");
 			return -EINVAL;
 		}
@@ -117,8 +124,8 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
 	case R200_EMIT_PP_TXOFFSET_3:
 	case R200_EMIT_PP_TXOFFSET_4:
 	case R200_EMIT_PP_TXOFFSET_5:
-		if (radeon_check_and_fixup_offset(dev_priv, file_priv,
-						  &data[0])) {
+		data = drm_buffer_pointer_to_dword(buf, 0);
+		if (radeon_check_and_fixup_offset(dev_priv, file_priv, data)) {
 			DRM_ERROR("Invalid R200 texture offset\n");
 			return -EINVAL;
 		}
@@ -127,8 +134,9 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
 	case RADEON_EMIT_PP_TXFILTER_0:
 	case RADEON_EMIT_PP_TXFILTER_1:
 	case RADEON_EMIT_PP_TXFILTER_2:
-		if (radeon_check_and_fixup_offset(dev_priv, file_priv,
-		    &data[(RADEON_PP_TXOFFSET_0 - RADEON_PP_TXFILTER_0) / 4])) {
+		data = drm_buffer_pointer_to_dword(buf,
+			(RADEON_PP_TXOFFSET_0 - RADEON_PP_TXFILTER_0) / 4);
+		if (radeon_check_and_fixup_offset(dev_priv, file_priv, data)) {
 			DRM_ERROR("Invalid R100 texture offset\n");
 			return -EINVAL;
 		}
@@ -142,9 +150,10 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
 	case R200_EMIT_PP_CUBIC_OFFSETS_5:{
 			int i;
 			for (i = 0; i < 5; i++) {
+				data = drm_buffer_pointer_to_dword(buf, i);
 				if (radeon_check_and_fixup_offset(dev_priv,
 								  file_priv,
-								  &data[i])) {
+								  data)) {
 					DRM_ERROR
 					    ("Invalid R200 cubic texture offset\n");
 					return -EINVAL;
@@ -158,9 +167,10 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
 	case RADEON_EMIT_PP_CUBIC_OFFSETS_T2:{
 			int i;
 			for (i = 0; i < 5; i++) {
+				data = drm_buffer_pointer_to_dword(buf, i);
 				if (radeon_check_and_fixup_offset(dev_priv,
 								  file_priv,
-								  &data[i])) {
+								  data)) {
 					DRM_ERROR
 					    ("Invalid R100 cubic texture offset\n");
 					return -EINVAL;
@@ -269,23 +279,24 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
 						     cmdbuf,
 						     unsigned int *cmdsz)
 {
-	u32 *cmd = (u32 *) cmdbuf->buf;
+	u32 *cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0);
 	u32 offset, narrays;
 	int count, i, k;
 
-	*cmdsz = 2 + ((cmd[0] & RADEON_CP_PACKET_COUNT_MASK) >> 16);
+	count = ((*cmd & RADEON_CP_PACKET_COUNT_MASK) >> 16);
+	*cmdsz = 2 + count;
 
-	if ((cmd[0] & 0xc0000000) != RADEON_CP_PACKET3) {
+	if ((*cmd & 0xc0000000) != RADEON_CP_PACKET3) {
 		DRM_ERROR("Not a type 3 packet\n");
 		return -EINVAL;
 	}
 
-	if (4 * *cmdsz > cmdbuf->bufsz) {
+	if (4 * *cmdsz > drm_buffer_unprocessed(cmdbuf->buffer)) {
 		DRM_ERROR("Packet size larger than size of data provided\n");
 		return -EINVAL;
 	}
 
-	switch(cmd[0] & 0xff00) {
+	switch (*cmd & 0xff00) {
 	/* XXX Are there old drivers needing other packets? */
 
 	case RADEON_3D_DRAW_IMMD:
@@ -312,7 +323,6 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
 		break;
 
 	case RADEON_3D_LOAD_VBPNTR:
-		count = (cmd[0] >> 16) & 0x3fff;
 
 		if (count > 18) { /* 12 arrays max */
 			DRM_ERROR("Too large payload in 3D_LOAD_VBPNTR (count=%d)\n",
@@ -321,13 +331,16 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
 		}
 
 		/* carefully check packet contents */
-		narrays = cmd[1] & ~0xc000;
+		cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 1);
+
+		narrays = *cmd & ~0xc000;
 		k = 0;
 		i = 2;
 		while ((k < narrays) && (i < (count + 2))) {
 			i++;		/* skip attribute field */
+			cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, i);
 			if (radeon_check_and_fixup_offset(dev_priv, file_priv,
-							  &cmd[i])) {
+							  cmd)) {
 				DRM_ERROR
 				    ("Invalid offset (k=%d i=%d) in 3D_LOAD_VBPNTR packet.\n",
 				     k, i);
@@ -338,8 +351,10 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
 			if (k == narrays)
 				break;
 			/* have one more to process, they come in pairs */
+			cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, i);
+
 			if (radeon_check_and_fixup_offset(dev_priv,
-							  file_priv, &cmd[i]))
+							  file_priv, cmd))
 			{
 				DRM_ERROR
 				    ("Invalid offset (k=%d i=%d) in 3D_LOAD_VBPNTR packet.\n",
@@ -363,7 +378,9 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
 			DRM_ERROR("Invalid 3d packet for r200-class chip\n");
 			return -EINVAL;
 		}
-		if (radeon_check_and_fixup_offset(dev_priv, file_priv, &cmd[1])) {
+
+		cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 1);
+		if (radeon_check_and_fixup_offset(dev_priv, file_priv, cmd)) {
 				DRM_ERROR("Invalid rndr_gen_indx offset\n");
 				return -EINVAL;
 		}
@@ -374,12 +391,15 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
 			DRM_ERROR("Invalid 3d packet for r100-class chip\n");
 			return -EINVAL;
 		}
-		if ((cmd[1] & 0x8000ffff) != 0x80000810) {
-			DRM_ERROR("Invalid indx_buffer reg address %08X\n", cmd[1]);
+
+		cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 1);
+		if ((*cmd & 0x8000ffff) != 0x80000810) {
+			DRM_ERROR("Invalid indx_buffer reg address %08X\n", *cmd);
 			return -EINVAL;
 		}
-		if (radeon_check_and_fixup_offset(dev_priv, file_priv, &cmd[2])) {
-			DRM_ERROR("Invalid indx_buffer offset is %08X\n", cmd[2]);
+		cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 2);
+		if (radeon_check_and_fixup_offset(dev_priv, file_priv, cmd)) {
+			DRM_ERROR("Invalid indx_buffer offset is %08X\n", *cmd);
 			return -EINVAL;
 		}
 		break;
@@ -388,31 +408,34 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
 	case RADEON_CNTL_PAINT_MULTI:
 	case RADEON_CNTL_BITBLT_MULTI:
 		/* MSB of opcode: next DWORD GUI_CNTL */
-		if (cmd[1] & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL
+		cmd = drm_buffer_pointer_to_dword(cmdbuf->buffer, 1);
+		if (*cmd & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL
 			      | RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
-			offset = cmd[2] << 10;
+			u32 *cmd2 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 2);
+			offset = *cmd2 << 10;
 			if (radeon_check_and_fixup_offset
 			    (dev_priv, file_priv, &offset)) {
 				DRM_ERROR("Invalid first packet offset\n");
 				return -EINVAL;
 			}
-			cmd[2] = (cmd[2] & 0xffc00000) | offset >> 10;
+			*cmd2 = (*cmd2 & 0xffc00000) | offset >> 10;
 		}
 
-		if ((cmd[1] & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) &&
-		    (cmd[1] & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
-			offset = cmd[3] << 10;
+		if ((*cmd & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) &&
+		    (*cmd & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
+			u32 *cmd3 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 3);
+			offset = *cmd << 10;
 			if (radeon_check_and_fixup_offset
 			    (dev_priv, file_priv, &offset)) {
 				DRM_ERROR("Invalid second packet offset\n");
 				return -EINVAL;
 			}
-			cmd[3] = (cmd[3] & 0xffc00000) | offset >> 10;
+			*cmd3 = (*cmd3 & 0xffc00000) | offset >> 10;
 		}
 		break;
 
 	default:
-		DRM_ERROR("Invalid packet type %x\n", cmd[0] & 0xff00);
+		DRM_ERROR("Invalid packet type %x\n", *cmd & 0xff00);
 		return -EINVAL;
 	}
 
@@ -876,6 +899,11 @@ static void radeon_cp_dispatch_clear(struct drm_device * dev,
 		if (tmp & RADEON_BACK)
 			flags |= RADEON_FRONT;
 	}
+	if (flags & (RADEON_DEPTH|RADEON_STENCIL)) {
+		if (!dev_priv->have_z_offset)
+			printk_once(KERN_ERR "radeon: illegal depth clear request. Buggy mesa detected - please update.\n");
+		flags &= ~(RADEON_DEPTH | RADEON_STENCIL);
+	}
 
 	if (flags & (RADEON_FRONT | RADEON_BACK)) {
 
@@ -1065,7 +1093,7 @@ static void radeon_cp_dispatch_clear(struct drm_device * dev,
 					/* judging by the first tile offset needed, could possibly
 					   directly address/clear 4x4 tiles instead of 8x2 * 4x4
 					   macro tiles, though would still need clear mask for
-					   right/bottom if truely 4x4 granularity is desired ? */
+					   right/bottom if truly 4x4 granularity is desired ? */
 					OUT_RING(tileoffset * 16);
 					/* the number of tiles to clear */
 					OUT_RING(nrtilesx + 1);
@@ -2611,7 +2639,6 @@ static int radeon_emit_packets(drm_radeon_private_t * dev_priv,
 {
 	int id = (int)header.packet.packet_id;
 	int sz, reg;
-	int *data = (int *)cmdbuf->buf;
 	RING_LOCALS;
 
 	if (id >= RADEON_MAX_STATE_PACKETS)
@@ -2620,23 +2647,22 @@ static int radeon_emit_packets(drm_radeon_private_t * dev_priv,
 	sz = packet[id].len;
 	reg = packet[id].start;
 
-	if (sz * sizeof(int) > cmdbuf->bufsz) {
+	if (sz * sizeof(u32) > drm_buffer_unprocessed(cmdbuf->buffer)) {
 		DRM_ERROR("Packet size provided larger than data provided\n");
 		return -EINVAL;
 	}
 
-	if (radeon_check_and_fixup_packets(dev_priv, file_priv, id, data)) {
+	if (radeon_check_and_fixup_packets(dev_priv, file_priv, id,
+				cmdbuf->buffer)) {
 		DRM_ERROR("Packet verification failed\n");
 		return -EINVAL;
 	}
 
 	BEGIN_RING(sz + 1);
 	OUT_RING(CP_PACKET0(reg, (sz - 1)));
-	OUT_RING_TABLE(data, sz);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz);
 	ADVANCE_RING();
 
-	cmdbuf->buf += sz * sizeof(int);
-	cmdbuf->bufsz -= sz * sizeof(int);
 	return 0;
 }
 
@@ -2653,10 +2679,8 @@ static __inline__ int radeon_emit_scalars(drm_radeon_private_t *dev_priv,
 	OUT_RING(CP_PACKET0(RADEON_SE_TCL_SCALAR_INDX_REG, 0));
 	OUT_RING(start | (stride << RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT));
 	OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_SCALAR_DATA_REG, sz - 1));
-	OUT_RING_TABLE(cmdbuf->buf, sz);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz);
 	ADVANCE_RING();
-	cmdbuf->buf += sz * sizeof(int);
-	cmdbuf->bufsz -= sz * sizeof(int);
 	return 0;
 }
 
@@ -2675,10 +2699,8 @@ static __inline__ int radeon_emit_scalars2(drm_radeon_private_t *dev_priv,
 	OUT_RING(CP_PACKET0(RADEON_SE_TCL_SCALAR_INDX_REG, 0));
 	OUT_RING(start | (stride << RADEON_SCAL_INDX_DWORD_STRIDE_SHIFT));
 	OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_SCALAR_DATA_REG, sz - 1));
-	OUT_RING_TABLE(cmdbuf->buf, sz);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz);
 	ADVANCE_RING();
-	cmdbuf->buf += sz * sizeof(int);
-	cmdbuf->bufsz -= sz * sizeof(int);
 	return 0;
 }
 
@@ -2696,11 +2718,9 @@ static __inline__ int radeon_emit_vectors(drm_radeon_private_t *dev_priv,
 	OUT_RING(CP_PACKET0(RADEON_SE_TCL_VECTOR_INDX_REG, 0));
 	OUT_RING(start | (stride << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT));
 	OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_VECTOR_DATA_REG, (sz - 1)));
-	OUT_RING_TABLE(cmdbuf->buf, sz);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz);
 	ADVANCE_RING();
 
-	cmdbuf->buf += sz * sizeof(int);
-	cmdbuf->bufsz -= sz * sizeof(int);
 	return 0;
 }
 
@@ -2714,7 +2734,7 @@ static __inline__ int radeon_emit_veclinear(drm_radeon_private_t *dev_priv,
 
         if (!sz)
                 return 0;
-        if (sz * 4 > cmdbuf->bufsz)
+	if (sz * 4 > drm_buffer_unprocessed(cmdbuf->buffer))
                 return -EINVAL;
 
 	BEGIN_RING(5 + sz);
@@ -2722,11 +2742,9 @@ static __inline__ int radeon_emit_veclinear(drm_radeon_private_t *dev_priv,
 	OUT_RING(CP_PACKET0(RADEON_SE_TCL_VECTOR_INDX_REG, 0));
 	OUT_RING(start | (1 << RADEON_VEC_INDX_OCTWORD_STRIDE_SHIFT));
 	OUT_RING(CP_PACKET0_TABLE(RADEON_SE_TCL_VECTOR_DATA_REG, (sz - 1)));
-	OUT_RING_TABLE(cmdbuf->buf, sz);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, sz);
 	ADVANCE_RING();
 
-	cmdbuf->buf += sz * sizeof(int);
-	cmdbuf->bufsz -= sz * sizeof(int);
 	return 0;
 }
 
@@ -2748,11 +2766,9 @@ static int radeon_emit_packet3(struct drm_device * dev,
 	}
 
 	BEGIN_RING(cmdsz);
-	OUT_RING_TABLE(cmdbuf->buf, cmdsz);
+	OUT_RING_DRM_BUFFER(cmdbuf->buffer, cmdsz);
 	ADVANCE_RING();
 
-	cmdbuf->buf += cmdsz * 4;
-	cmdbuf->bufsz -= cmdsz * 4;
 	return 0;
 }
 
@@ -2805,16 +2821,16 @@ static int radeon_emit_packet3_cliprect(struct drm_device *dev,
 		}
 
 		BEGIN_RING(cmdsz);
-		OUT_RING_TABLE(cmdbuf->buf, cmdsz);
+		OUT_RING_DRM_BUFFER(cmdbuf->buffer, cmdsz);
 		ADVANCE_RING();
 
 	} while (++i < cmdbuf->nbox);
 	if (cmdbuf->nbox == 1)
 		cmdbuf->nbox = 0;
 
+	return 0;
       out:
-	cmdbuf->buf += cmdsz * 4;
-	cmdbuf->bufsz -= cmdsz * 4;
+	drm_buffer_advance(cmdbuf->buffer, cmdsz * 4);
 	return 0;
 }
 
@@ -2847,16 +2863,16 @@ static int radeon_emit_wait(struct drm_device * dev, int flags)
 	return 0;
 }
 
-static int radeon_cp_cmdbuf(struct drm_device *dev, void *data, struct drm_file *file_priv)
+static int radeon_cp_cmdbuf(struct drm_device *dev, void *data,
+		struct drm_file *file_priv)
 {
 	drm_radeon_private_t *dev_priv = dev->dev_private;
 	struct drm_device_dma *dma = dev->dma;
 	struct drm_buf *buf = NULL;
+	drm_radeon_cmd_header_t stack_header;
 	int idx;
 	drm_radeon_kcmd_buffer_t *cmdbuf = data;
-	drm_radeon_cmd_header_t header;
-	int orig_nbox, orig_bufsz;
-	char *kbuf = NULL;
+	int orig_nbox;
 
 	LOCK_TEST_WITH_RETURN(dev, file_priv);
 
@@ -2871,17 +2887,16 @@ static int radeon_cp_cmdbuf(struct drm_device *dev, void *data, struct drm_file
 	 * races between checking values and using those values in other code,
 	 * and simply to avoid a lot of function calls to copy in data.
 	 */
-	orig_bufsz = cmdbuf->bufsz;
-	if (orig_bufsz != 0) {
-		kbuf = kmalloc(cmdbuf->bufsz, GFP_KERNEL);
-		if (kbuf == NULL)
-			return -ENOMEM;
-		if (DRM_COPY_FROM_USER(kbuf, (void __user *)cmdbuf->buf,
-				       cmdbuf->bufsz)) {
-			kfree(kbuf);
-			return -EFAULT;
-		}
-		cmdbuf->buf = kbuf;
+	if (cmdbuf->bufsz != 0) {
+		int rv;
+		void __user *buffer = cmdbuf->buffer;
+		rv = drm_buffer_alloc(&cmdbuf->buffer, cmdbuf->bufsz);
+		if (rv)
+			return rv;
+		rv = drm_buffer_copy_from_user(cmdbuf->buffer, buffer,
+						cmdbuf->bufsz);
+		if (rv)
+			return rv;
 	}
 
 	orig_nbox = cmdbuf->nbox;
@@ -2890,24 +2905,24 @@ static int radeon_cp_cmdbuf(struct drm_device *dev, void *data, struct drm_file
 		int temp;
 		temp = r300_do_cp_cmdbuf(dev, file_priv, cmdbuf);
 
-		if (orig_bufsz != 0)
-			kfree(kbuf);
+		if (cmdbuf->bufsz != 0)
+			drm_buffer_free(cmdbuf->buffer);
 
 		return temp;
 	}
 
 	/* microcode_version != r300 */
-	while (cmdbuf->bufsz >= sizeof(header)) {
+	while (drm_buffer_unprocessed(cmdbuf->buffer) >= sizeof(stack_header)) {
 
-		header.i = *(int *)cmdbuf->buf;
-		cmdbuf->buf += sizeof(header);
-		cmdbuf->bufsz -= sizeof(header);
+		drm_radeon_cmd_header_t *header;
+		header = drm_buffer_read_object(cmdbuf->buffer,
+				sizeof(stack_header), &stack_header);
 
-		switch (header.header.cmd_type) {
+		switch (header->header.cmd_type) {
 		case RADEON_CMD_PACKET:
 			DRM_DEBUG("RADEON_CMD_PACKET\n");
 			if (radeon_emit_packets
-			    (dev_priv, file_priv, header, cmdbuf)) {
+			    (dev_priv, file_priv, *header, cmdbuf)) {
 				DRM_ERROR("radeon_emit_packets failed\n");
 				goto err;
 			}
@@ -2915,7 +2930,7 @@ static int radeon_cp_cmdbuf(struct drm_device *dev, void *data, struct drm_file
 
 		case RADEON_CMD_SCALARS:
 			DRM_DEBUG("RADEON_CMD_SCALARS\n");
-			if (radeon_emit_scalars(dev_priv, header, cmdbuf)) {
+			if (radeon_emit_scalars(dev_priv, *header, cmdbuf)) {
 				DRM_ERROR("radeon_emit_scalars failed\n");
 				goto err;
 			}
@@ -2923,7 +2938,7 @@ static int radeon_cp_cmdbuf(struct drm_device *dev, void *data, struct drm_file
 
 		case RADEON_CMD_VECTORS:
 			DRM_DEBUG("RADEON_CMD_VECTORS\n");
-			if (radeon_emit_vectors(dev_priv, header, cmdbuf)) {
+			if (radeon_emit_vectors(dev_priv, *header, cmdbuf)) {
 				DRM_ERROR("radeon_emit_vectors failed\n");
 				goto err;
 			}
@@ -2931,7 +2946,7 @@ static int radeon_cp_cmdbuf(struct drm_device *dev, void *data, struct drm_file
 
 		case RADEON_CMD_DMA_DISCARD:
 			DRM_DEBUG("RADEON_CMD_DMA_DISCARD\n");
-			idx = header.dma.buf_idx;
+			idx = header->dma.buf_idx;
 			if (idx < 0 || idx >= dma->buf_count) {
 				DRM_ERROR("buffer index %d (of %d max)\n",
 					  idx, dma->buf_count - 1);
@@ -2968,7 +2983,7 @@ static int radeon_cp_cmdbuf(struct drm_device *dev, void *data, struct drm_file
 
 		case RADEON_CMD_SCALARS2:
 			DRM_DEBUG("RADEON_CMD_SCALARS2\n");
-			if (radeon_emit_scalars2(dev_priv, header, cmdbuf)) {
+			if (radeon_emit_scalars2(dev_priv, *header, cmdbuf)) {
 				DRM_ERROR("radeon_emit_scalars2 failed\n");
 				goto err;
 			}
@@ -2976,37 +2991,37 @@ static int radeon_cp_cmdbuf(struct drm_device *dev, void *data, struct drm_file
 
 		case RADEON_CMD_WAIT:
 			DRM_DEBUG("RADEON_CMD_WAIT\n");
-			if (radeon_emit_wait(dev, header.wait.flags)) {
+			if (radeon_emit_wait(dev, header->wait.flags)) {
 				DRM_ERROR("radeon_emit_wait failed\n");
 				goto err;
 			}
 			break;
 		case RADEON_CMD_VECLINEAR:
 			DRM_DEBUG("RADEON_CMD_VECLINEAR\n");
-			if (radeon_emit_veclinear(dev_priv, header, cmdbuf)) {
+			if (radeon_emit_veclinear(dev_priv, *header, cmdbuf)) {
 				DRM_ERROR("radeon_emit_veclinear failed\n");
 				goto err;
 			}
 			break;
 
 		default:
-			DRM_ERROR("bad cmd_type %d at %p\n",
-				  header.header.cmd_type,
-				  cmdbuf->buf - sizeof(header));
+			DRM_ERROR("bad cmd_type %d at byte %d\n",
+				  header->header.cmd_type,
+				  cmdbuf->buffer->iterator);
 			goto err;
 		}
 	}
 
-	if (orig_bufsz != 0)
-		kfree(kbuf);
+	if (cmdbuf->bufsz != 0)
+		drm_buffer_free(cmdbuf->buffer);
 
 	DRM_DEBUG("DONE\n");
 	COMMIT_RING();
 	return 0;
 
       err:
-	if (orig_bufsz != 0)
-		kfree(kbuf);
+	if (cmdbuf->bufsz != 0)
+		drm_buffer_free(cmdbuf->buffer);
 	return -EINVAL;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_test.c b/drivers/gpu/drm/radeon/radeon_test.c
index 9f5e2f929da9..313c96bc09da 100644
--- a/drivers/gpu/drm/radeon/radeon_test.c
+++ b/drivers/gpu/drm/radeon/radeon_test.c
@@ -186,7 +186,7 @@ void radeon_test_moves(struct radeon_device *rdev)
 		radeon_bo_kunmap(gtt_obj[i]);
 
 		DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n",
-			 gtt_addr - rdev->mc.gtt_location);
+			 gtt_addr - rdev->mc.gtt_start);
 	}
 
 out_cleanup:
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 58b5adf974ca..43c5ab34b634 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -150,7 +150,7 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 		man->default_caching = TTM_PL_FLAG_CACHED;
 		break;
 	case TTM_PL_TT:
-		man->gpu_offset = rdev->mc.gtt_location;
+		man->gpu_offset = rdev->mc.gtt_start;
 		man->available_caching = TTM_PL_MASK_CACHING;
 		man->default_caching = TTM_PL_FLAG_CACHED;
 		man->flags = TTM_MEMTYPE_FLAG_MAPPABLE | TTM_MEMTYPE_FLAG_CMA;
@@ -180,7 +180,7 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
 		break;
 	case TTM_PL_VRAM:
 		/* "On-card" video ram */
-		man->gpu_offset = rdev->mc.vram_location;
+		man->gpu_offset = rdev->mc.vram_start;
 		man->flags = TTM_MEMTYPE_FLAG_FIXED |
 			     TTM_MEMTYPE_FLAG_NEEDS_IOREMAP |
 			     TTM_MEMTYPE_FLAG_MAPPABLE;
@@ -262,10 +262,10 @@ static int radeon_move_blit(struct ttm_buffer_object *bo,
 
 	switch (old_mem->mem_type) {
 	case TTM_PL_VRAM:
-		old_start += rdev->mc.vram_location;
+		old_start += rdev->mc.vram_start;
 		break;
 	case TTM_PL_TT:
-		old_start += rdev->mc.gtt_location;
+		old_start += rdev->mc.gtt_start;
 		break;
 	default:
 		DRM_ERROR("Unknown placement %d\n", old_mem->mem_type);
@@ -273,10 +273,10 @@ static int radeon_move_blit(struct ttm_buffer_object *bo,
 	}
 	switch (new_mem->mem_type) {
 	case TTM_PL_VRAM:
-		new_start += rdev->mc.vram_location;
+		new_start += rdev->mc.vram_start;
 		break;
 	case TTM_PL_TT:
-		new_start += rdev->mc.gtt_location;
+		new_start += rdev->mc.gtt_start;
 		break;
 	default:
 		DRM_ERROR("Unknown placement %d\n", old_mem->mem_type);
diff --git a/drivers/gpu/drm/radeon/reg_srcs/r600 b/drivers/gpu/drm/radeon/reg_srcs/r600
new file mode 100644
index 000000000000..af0da4ae3f55
--- /dev/null
+++ b/drivers/gpu/drm/radeon/reg_srcs/r600
@@ -0,0 +1,762 @@
+r600 0x9400
+0x000287A0 R7xx_CB_SHADER_CONTROL
+0x00028230 R7xx_PA_SC_EDGERULE
+0x000286C8 R7xx_SPI_THREAD_GROUPING
+0x00008D8C R7xx_SQ_DYN_GPR_CNTL_PS_FLUSH_REQ
+0x000088C4 VGT_CACHE_INVALIDATION
+0x00028A50 VGT_ENHANCE
+0x000088CC VGT_ES_PER_GS
+0x00028A2C VGT_GROUP_DECR
+0x00028A28 VGT_GROUP_FIRST_DECR
+0x00028A24 VGT_GROUP_PRIM_TYPE
+0x00028A30 VGT_GROUP_VECT_0_CNTL
+0x00028A38 VGT_GROUP_VECT_0_FMT_CNTL
+0x00028A34 VGT_GROUP_VECT_1_CNTL
+0x00028A3C VGT_GROUP_VECT_1_FMT_CNTL
+0x00028A40 VGT_GS_MODE
+0x00028A6C VGT_GS_OUT_PRIM_TYPE
+0x000088C8 VGT_GS_PER_ES
+0x000088E8 VGT_GS_PER_VS
+0x000088D4 VGT_GS_VERTEX_REUSE
+0x00028A14 VGT_HOS_CNTL
+0x00028A18 VGT_HOS_MAX_TESS_LEVEL
+0x00028A1C VGT_HOS_MIN_TESS_LEVEL
+0x00028A20 VGT_HOS_REUSE_DEPTH
+0x0000895C VGT_INDEX_TYPE
+0x00028408 VGT_INDX_OFFSET
+0x00028AA0 VGT_INSTANCE_STEP_RATE_0
+0x00028AA4 VGT_INSTANCE_STEP_RATE_1
+0x00028400 VGT_MAX_VTX_INDX
+0x00028404 VGT_MIN_VTX_INDX
+0x00028A94 VGT_MULTI_PRIM_IB_RESET_EN
+0x0002840C VGT_MULTI_PRIM_IB_RESET_INDX
+0x00008970 VGT_NUM_INDICES
+0x00008974 VGT_NUM_INSTANCES
+0x00028A10 VGT_OUTPUT_PATH_CNTL
+0x00028A84 VGT_PRIMITIVEID_EN
+0x00008958 VGT_PRIMITIVE_TYPE
+0x00028AB4 VGT_REUSE_OFF
+0x00028AB8 VGT_VTX_CNT_EN
+0x000088B0 VGT_VTX_VECT_EJECT_REG
+0x00028810 PA_CL_CLIP_CNTL
+0x00008A14 PA_CL_ENHANCE
+0x00028C14 PA_CL_GB_HORZ_CLIP_ADJ
+0x00028C18 PA_CL_GB_HORZ_DISC_ADJ
+0x00028C0C PA_CL_GB_VERT_CLIP_ADJ
+0x00028C10 PA_CL_GB_VERT_DISC_ADJ
+0x00028820 PA_CL_NANINF_CNTL
+0x00028E1C PA_CL_POINT_CULL_RAD
+0x00028E18 PA_CL_POINT_SIZE
+0x00028E10 PA_CL_POINT_X_RAD
+0x00028E14 PA_CL_POINT_Y_RAD
+0x00028E2C PA_CL_UCP_0_W
+0x00028E3C PA_CL_UCP_1_W
+0x00028E4C PA_CL_UCP_2_W
+0x00028E5C PA_CL_UCP_3_W
+0x00028E6C PA_CL_UCP_4_W
+0x00028E7C PA_CL_UCP_5_W
+0x00028E20 PA_CL_UCP_0_X
+0x00028E30 PA_CL_UCP_1_X
+0x00028E40 PA_CL_UCP_2_X
+0x00028E50 PA_CL_UCP_3_X
+0x00028E60 PA_CL_UCP_4_X
+0x00028E70 PA_CL_UCP_5_X
+0x00028E24 PA_CL_UCP_0_Y
+0x00028E34 PA_CL_UCP_1_Y
+0x00028E44 PA_CL_UCP_2_Y
+0x00028E54 PA_CL_UCP_3_Y
+0x00028E64 PA_CL_UCP_4_Y
+0x00028E74 PA_CL_UCP_5_Y
+0x00028E28 PA_CL_UCP_0_Z
+0x00028E38 PA_CL_UCP_1_Z
+0x00028E48 PA_CL_UCP_2_Z
+0x00028E58 PA_CL_UCP_3_Z
+0x00028E68 PA_CL_UCP_4_Z
+0x00028E78 PA_CL_UCP_5_Z
+0x00028440 PA_CL_VPORT_XOFFSET_0
+0x00028458 PA_CL_VPORT_XOFFSET_1
+0x00028470 PA_CL_VPORT_XOFFSET_2
+0x00028488 PA_CL_VPORT_XOFFSET_3
+0x000284A0 PA_CL_VPORT_XOFFSET_4
+0x000284B8 PA_CL_VPORT_XOFFSET_5
+0x000284D0 PA_CL_VPORT_XOFFSET_6
+0x000284E8 PA_CL_VPORT_XOFFSET_7
+0x00028500 PA_CL_VPORT_XOFFSET_8
+0x00028518 PA_CL_VPORT_XOFFSET_9
+0x00028530 PA_CL_VPORT_XOFFSET_10
+0x00028548 PA_CL_VPORT_XOFFSET_11
+0x00028560 PA_CL_VPORT_XOFFSET_12
+0x00028578 PA_CL_VPORT_XOFFSET_13
+0x00028590 PA_CL_VPORT_XOFFSET_14
+0x000285A8 PA_CL_VPORT_XOFFSET_15
+0x0002843C PA_CL_VPORT_XSCALE_0
+0x00028454 PA_CL_VPORT_XSCALE_1
+0x0002846C PA_CL_VPORT_XSCALE_2
+0x00028484 PA_CL_VPORT_XSCALE_3
+0x0002849C PA_CL_VPORT_XSCALE_4
+0x000284B4 PA_CL_VPORT_XSCALE_5
+0x000284CC PA_CL_VPORT_XSCALE_6
+0x000284E4 PA_CL_VPORT_XSCALE_7
+0x000284FC PA_CL_VPORT_XSCALE_8
+0x00028514 PA_CL_VPORT_XSCALE_9
+0x0002852C PA_CL_VPORT_XSCALE_10
+0x00028544 PA_CL_VPORT_XSCALE_11
+0x0002855C PA_CL_VPORT_XSCALE_12
+0x00028574 PA_CL_VPORT_XSCALE_13
+0x0002858C PA_CL_VPORT_XSCALE_14
+0x000285A4 PA_CL_VPORT_XSCALE_15
+0x00028448 PA_CL_VPORT_YOFFSET_0
+0x00028460 PA_CL_VPORT_YOFFSET_1
+0x00028478 PA_CL_VPORT_YOFFSET_2
+0x00028490 PA_CL_VPORT_YOFFSET_3
+0x000284A8 PA_CL_VPORT_YOFFSET_4
+0x000284C0 PA_CL_VPORT_YOFFSET_5
+0x000284D8 PA_CL_VPORT_YOFFSET_6
+0x000284F0 PA_CL_VPORT_YOFFSET_7
+0x00028508 PA_CL_VPORT_YOFFSET_8
+0x00028520 PA_CL_VPORT_YOFFSET_9
+0x00028538 PA_CL_VPORT_YOFFSET_10
+0x00028550 PA_CL_VPORT_YOFFSET_11
+0x00028568 PA_CL_VPORT_YOFFSET_12
+0x00028580 PA_CL_VPORT_YOFFSET_13
+0x00028598 PA_CL_VPORT_YOFFSET_14
+0x000285B0 PA_CL_VPORT_YOFFSET_15
+0x00028444 PA_CL_VPORT_YSCALE_0
+0x0002845C PA_CL_VPORT_YSCALE_1
+0x00028474 PA_CL_VPORT_YSCALE_2
+0x0002848C PA_CL_VPORT_YSCALE_3
+0x000284A4 PA_CL_VPORT_YSCALE_4
+0x000284BC PA_CL_VPORT_YSCALE_5
+0x000284D4 PA_CL_VPORT_YSCALE_6
+0x000284EC PA_CL_VPORT_YSCALE_7
+0x00028504 PA_CL_VPORT_YSCALE_8
+0x0002851C PA_CL_VPORT_YSCALE_9
+0x00028534 PA_CL_VPORT_YSCALE_10
+0x0002854C PA_CL_VPORT_YSCALE_11
+0x00028564 PA_CL_VPORT_YSCALE_12
+0x0002857C PA_CL_VPORT_YSCALE_13
+0x00028594 PA_CL_VPORT_YSCALE_14
+0x000285AC PA_CL_VPORT_YSCALE_15
+0x00028450 PA_CL_VPORT_ZOFFSET_0
+0x00028468 PA_CL_VPORT_ZOFFSET_1
+0x00028480 PA_CL_VPORT_ZOFFSET_2
+0x00028498 PA_CL_VPORT_ZOFFSET_3
+0x000284B0 PA_CL_VPORT_ZOFFSET_4
+0x000284C8 PA_CL_VPORT_ZOFFSET_5
+0x000284E0 PA_CL_VPORT_ZOFFSET_6
+0x000284F8 PA_CL_VPORT_ZOFFSET_7
+0x00028510 PA_CL_VPORT_ZOFFSET_8
+0x00028528 PA_CL_VPORT_ZOFFSET_9
+0x00028540 PA_CL_VPORT_ZOFFSET_10
+0x00028558 PA_CL_VPORT_ZOFFSET_11
+0x00028570 PA_CL_VPORT_ZOFFSET_12
+0x00028588 PA_CL_VPORT_ZOFFSET_13
+0x000285A0 PA_CL_VPORT_ZOFFSET_14
+0x000285B8 PA_CL_VPORT_ZOFFSET_15
+0x0002844C PA_CL_VPORT_ZSCALE_0
+0x00028464 PA_CL_VPORT_ZSCALE_1
+0x0002847C PA_CL_VPORT_ZSCALE_2
+0x00028494 PA_CL_VPORT_ZSCALE_3
+0x000284AC PA_CL_VPORT_ZSCALE_4
+0x000284C4 PA_CL_VPORT_ZSCALE_5
+0x000284DC PA_CL_VPORT_ZSCALE_6
+0x000284F4 PA_CL_VPORT_ZSCALE_7
+0x0002850C PA_CL_VPORT_ZSCALE_8
+0x00028524 PA_CL_VPORT_ZSCALE_9
+0x0002853C PA_CL_VPORT_ZSCALE_10
+0x00028554 PA_CL_VPORT_ZSCALE_11
+0x0002856C PA_CL_VPORT_ZSCALE_12
+0x00028584 PA_CL_VPORT_ZSCALE_13
+0x0002859C PA_CL_VPORT_ZSCALE_14
+0x000285B4 PA_CL_VPORT_ZSCALE_15
+0x0002881C PA_CL_VS_OUT_CNTL
+0x00028818 PA_CL_VTE_CNTL
+0x00028C48 PA_SC_AA_MASK
+0x00008B40 PA_SC_AA_SAMPLE_LOCS_2S
+0x00008B44 PA_SC_AA_SAMPLE_LOCS_4S
+0x00008B48 PA_SC_AA_SAMPLE_LOCS_8S_WD0
+0x00008B4C PA_SC_AA_SAMPLE_LOCS_8S_WD1
+0x00028C20 PA_SC_AA_SAMPLE_LOCS_8S_WD1_MCTX
+0x00028C1C PA_SC_AA_SAMPLE_LOCS_MCTX
+0x00028214 PA_SC_CLIPRECT_0_BR
+0x0002821C PA_SC_CLIPRECT_1_BR
+0x00028224 PA_SC_CLIPRECT_2_BR
+0x0002822C PA_SC_CLIPRECT_3_BR
+0x00028210 PA_SC_CLIPRECT_0_TL
+0x00028218 PA_SC_CLIPRECT_1_TL
+0x00028220 PA_SC_CLIPRECT_2_TL
+0x00028228 PA_SC_CLIPRECT_3_TL
+0x0002820C PA_SC_CLIPRECT_RULE
+0x00008BF0 PA_SC_ENHANCE
+0x00028244 PA_SC_GENERIC_SCISSOR_BR
+0x00028240 PA_SC_GENERIC_SCISSOR_TL
+0x00028C00 PA_SC_LINE_CNTL
+0x00028A0C PA_SC_LINE_STIPPLE
+0x00008B10 PA_SC_LINE_STIPPLE_STATE
+0x00028A4C PA_SC_MODE_CNTL
+0x00028A48 PA_SC_MPASS_PS_CNTL
+0x00008B20 PA_SC_MULTI_CHIP_CNTL
+0x00028034 PA_SC_SCREEN_SCISSOR_BR
+0x00028030 PA_SC_SCREEN_SCISSOR_TL
+0x00028254 PA_SC_VPORT_SCISSOR_0_BR
+0x0002825C PA_SC_VPORT_SCISSOR_1_BR
+0x00028264 PA_SC_VPORT_SCISSOR_2_BR
+0x0002826C PA_SC_VPORT_SCISSOR_3_BR
+0x00028274 PA_SC_VPORT_SCISSOR_4_BR
+0x0002827C PA_SC_VPORT_SCISSOR_5_BR
+0x00028284 PA_SC_VPORT_SCISSOR_6_BR
+0x0002828C PA_SC_VPORT_SCISSOR_7_BR
+0x00028294 PA_SC_VPORT_SCISSOR_8_BR
+0x0002829C PA_SC_VPORT_SCISSOR_9_BR
+0x000282A4 PA_SC_VPORT_SCISSOR_10_BR
+0x000282AC PA_SC_VPORT_SCISSOR_11_BR
+0x000282B4 PA_SC_VPORT_SCISSOR_12_BR
+0x000282BC PA_SC_VPORT_SCISSOR_13_BR
+0x000282C4 PA_SC_VPORT_SCISSOR_14_BR
+0x000282CC PA_SC_VPORT_SCISSOR_15_BR
+0x00028250 PA_SC_VPORT_SCISSOR_0_TL
+0x00028258 PA_SC_VPORT_SCISSOR_1_TL
+0x00028260 PA_SC_VPORT_SCISSOR_2_TL
+0x00028268 PA_SC_VPORT_SCISSOR_3_TL
+0x00028270 PA_SC_VPORT_SCISSOR_4_TL
+0x00028278 PA_SC_VPORT_SCISSOR_5_TL
+0x00028280 PA_SC_VPORT_SCISSOR_6_TL
+0x00028288 PA_SC_VPORT_SCISSOR_7_TL
+0x00028290 PA_SC_VPORT_SCISSOR_8_TL
+0x00028298 PA_SC_VPORT_SCISSOR_9_TL
+0x000282A0 PA_SC_VPORT_SCISSOR_10_TL
+0x000282A8 PA_SC_VPORT_SCISSOR_11_TL
+0x000282B0 PA_SC_VPORT_SCISSOR_12_TL
+0x000282B8 PA_SC_VPORT_SCISSOR_13_TL
+0x000282C0 PA_SC_VPORT_SCISSOR_14_TL
+0x000282C8 PA_SC_VPORT_SCISSOR_15_TL
+0x000282D4 PA_SC_VPORT_ZMAX_0
+0x000282DC PA_SC_VPORT_ZMAX_1
+0x000282E4 PA_SC_VPORT_ZMAX_2
+0x000282EC PA_SC_VPORT_ZMAX_3
+0x000282F4 PA_SC_VPORT_ZMAX_4
+0x000282FC PA_SC_VPORT_ZMAX_5
+0x00028304 PA_SC_VPORT_ZMAX_6
+0x0002830C PA_SC_VPORT_ZMAX_7
+0x00028314 PA_SC_VPORT_ZMAX_8
+0x0002831C PA_SC_VPORT_ZMAX_9
+0x00028324 PA_SC_VPORT_ZMAX_10
+0x0002832C PA_SC_VPORT_ZMAX_11
+0x00028334 PA_SC_VPORT_ZMAX_12
+0x0002833C PA_SC_VPORT_ZMAX_13
+0x00028344 PA_SC_VPORT_ZMAX_14
+0x0002834C PA_SC_VPORT_ZMAX_15
+0x000282D0 PA_SC_VPORT_ZMIN_0
+0x000282D8 PA_SC_VPORT_ZMIN_1
+0x000282E0 PA_SC_VPORT_ZMIN_2
+0x000282E8 PA_SC_VPORT_ZMIN_3
+0x000282F0 PA_SC_VPORT_ZMIN_4
+0x000282F8 PA_SC_VPORT_ZMIN_5
+0x00028300 PA_SC_VPORT_ZMIN_6
+0x00028308 PA_SC_VPORT_ZMIN_7
+0x00028310 PA_SC_VPORT_ZMIN_8
+0x00028318 PA_SC_VPORT_ZMIN_9
+0x00028320 PA_SC_VPORT_ZMIN_10
+0x00028328 PA_SC_VPORT_ZMIN_11
+0x00028330 PA_SC_VPORT_ZMIN_12
+0x00028338 PA_SC_VPORT_ZMIN_13
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+0x0000A658 TD_VS_SAMPLER5_BORDER_BLUE
+0x0000A668 TD_VS_SAMPLER6_BORDER_BLUE
+0x0000A678 TD_VS_SAMPLER7_BORDER_BLUE
+0x0000A688 TD_VS_SAMPLER8_BORDER_BLUE
+0x0000A698 TD_VS_SAMPLER9_BORDER_BLUE
+0x0000A6A8 TD_VS_SAMPLER10_BORDER_BLUE
+0x0000A6B8 TD_VS_SAMPLER11_BORDER_BLUE
+0x0000A6C8 TD_VS_SAMPLER12_BORDER_BLUE
+0x0000A6D8 TD_VS_SAMPLER13_BORDER_BLUE
+0x0000A6E8 TD_VS_SAMPLER14_BORDER_BLUE
+0x0000A6F8 TD_VS_SAMPLER15_BORDER_BLUE
+0x0000A708 TD_VS_SAMPLER16_BORDER_BLUE
+0x0000A718 TD_VS_SAMPLER17_BORDER_BLUE
+0x0000A604 TD_VS_SAMPLER0_BORDER_GREEN
+0x0000A614 TD_VS_SAMPLER1_BORDER_GREEN
+0x0000A624 TD_VS_SAMPLER2_BORDER_GREEN
+0x0000A634 TD_VS_SAMPLER3_BORDER_GREEN
+0x0000A644 TD_VS_SAMPLER4_BORDER_GREEN
+0x0000A654 TD_VS_SAMPLER5_BORDER_GREEN
+0x0000A664 TD_VS_SAMPLER6_BORDER_GREEN
+0x0000A674 TD_VS_SAMPLER7_BORDER_GREEN
+0x0000A684 TD_VS_SAMPLER8_BORDER_GREEN
+0x0000A694 TD_VS_SAMPLER9_BORDER_GREEN
+0x0000A6A4 TD_VS_SAMPLER10_BORDER_GREEN
+0x0000A6B4 TD_VS_SAMPLER11_BORDER_GREEN
+0x0000A6C4 TD_VS_SAMPLER12_BORDER_GREEN
+0x0000A6D4 TD_VS_SAMPLER13_BORDER_GREEN
+0x0000A6E4 TD_VS_SAMPLER14_BORDER_GREEN
+0x0000A6F4 TD_VS_SAMPLER15_BORDER_GREEN
+0x0000A704 TD_VS_SAMPLER16_BORDER_GREEN
+0x0000A714 TD_VS_SAMPLER17_BORDER_GREEN
+0x0000A600 TD_VS_SAMPLER0_BORDER_RED
+0x0000A610 TD_VS_SAMPLER1_BORDER_RED
+0x0000A620 TD_VS_SAMPLER2_BORDER_RED
+0x0000A630 TD_VS_SAMPLER3_BORDER_RED
+0x0000A640 TD_VS_SAMPLER4_BORDER_RED
+0x0000A650 TD_VS_SAMPLER5_BORDER_RED
+0x0000A660 TD_VS_SAMPLER6_BORDER_RED
+0x0000A670 TD_VS_SAMPLER7_BORDER_RED
+0x0000A680 TD_VS_SAMPLER8_BORDER_RED
+0x0000A690 TD_VS_SAMPLER9_BORDER_RED
+0x0000A6A0 TD_VS_SAMPLER10_BORDER_RED
+0x0000A6B0 TD_VS_SAMPLER11_BORDER_RED
+0x0000A6C0 TD_VS_SAMPLER12_BORDER_RED
+0x0000A6D0 TD_VS_SAMPLER13_BORDER_RED
+0x0000A6E0 TD_VS_SAMPLER14_BORDER_RED
+0x0000A6F0 TD_VS_SAMPLER15_BORDER_RED
+0x0000A700 TD_VS_SAMPLER16_BORDER_RED
+0x0000A710 TD_VS_SAMPLER17_BORDER_RED
+0x00009508 TA_CNTL_AUX
+0x0002802C DB_DEPTH_CLEAR
+0x00028D24 DB_HTILE_SURFACE
+0x00028D34 DB_PREFETCH_LIMIT
+0x00028D30 DB_PRELOAD_CONTROL
+0x00028D0C DB_RENDER_CONTROL
+0x00028D10 DB_RENDER_OVERRIDE
+0x0002880C DB_SHADER_CONTROL
+0x00028D2C DB_SRESULTS_COMPARE_STATE1
+0x00028430 DB_STENCILREFMASK
+0x00028434 DB_STENCILREFMASK_BF
+0x00028028 DB_STENCIL_CLEAR
+0x00028780 CB_BLEND0_CONTROL
+0x00028784 CB_BLEND1_CONTROL
+0x00028788 CB_BLEND2_CONTROL
+0x0002878C CB_BLEND3_CONTROL
+0x00028790 CB_BLEND4_CONTROL
+0x00028794 CB_BLEND5_CONTROL
+0x00028798 CB_BLEND6_CONTROL
+0x0002879C CB_BLEND7_CONTROL
+0x00028804 CB_BLEND_CONTROL
+0x00028420 CB_BLEND_ALPHA
+0x0002841C CB_BLEND_BLUE
+0x00028418 CB_BLEND_GREEN
+0x00028414 CB_BLEND_RED
+0x0002812C CB_CLEAR_ALPHA
+0x00028128 CB_CLEAR_BLUE
+0x00028124 CB_CLEAR_GREEN
+0x00028120 CB_CLEAR_RED
+0x00028C30 CB_CLRCMP_CONTROL
+0x00028C38 CB_CLRCMP_DST
+0x00028C3C CB_CLRCMP_MSK
+0x00028C34 CB_CLRCMP_SRC
+0x00028100 CB_COLOR0_MASK
+0x00028104 CB_COLOR1_MASK
+0x00028108 CB_COLOR2_MASK
+0x0002810C CB_COLOR3_MASK
+0x00028110 CB_COLOR4_MASK
+0x00028114 CB_COLOR5_MASK
+0x00028118 CB_COLOR6_MASK
+0x0002811C CB_COLOR7_MASK
+0x00028080 CB_COLOR0_VIEW
+0x00028084 CB_COLOR1_VIEW
+0x00028088 CB_COLOR2_VIEW
+0x0002808C CB_COLOR3_VIEW
+0x00028090 CB_COLOR4_VIEW
+0x00028094 CB_COLOR5_VIEW
+0x00028098 CB_COLOR6_VIEW
+0x0002809C CB_COLOR7_VIEW
+0x00028808 CB_COLOR_CONTROL
+0x0002842C CB_FOG_BLUE
+0x00028428 CB_FOG_GREEN
+0x00028424 CB_FOG_RED
+0x00008040 WAIT_UNTIL
+0x00009714 VC_ENHANCE
+0x00009830 DB_DEBUG
+0x00009838 DB_WATERMARKS
+0x00028D28 DB_SRESULTS_COMPARE_STATE0
+0x00028D44 DB_ALPHA_TO_MASK
+0x00009700 VC_CNTL
diff --git a/drivers/gpu/drm/radeon/rs400.c b/drivers/gpu/drm/radeon/rs400.c
index 287fcebfb4e6..626aaf082b1a 100644
--- a/drivers/gpu/drm/radeon/rs400.c
+++ b/drivers/gpu/drm/radeon/rs400.c
@@ -28,6 +28,7 @@
 #include <linux/seq_file.h>
 #include <drm/drmP.h>
 #include "radeon.h"
+#include "radeon_asic.h"
 #include "rs400d.h"
 
 /* This files gather functions specifics to : rs400,rs480 */
@@ -113,6 +114,7 @@ int rs400_gart_enable(struct radeon_device *rdev)
 	uint32_t size_reg;
 	uint32_t tmp;
 
+	radeon_gart_restore(rdev);
 	tmp = RREG32_MC(RS690_AIC_CTRL_SCRATCH);
 	tmp |= RS690_DIS_OUT_OF_PCI_GART_ACCESS;
 	WREG32_MC(RS690_AIC_CTRL_SCRATCH, tmp);
@@ -150,9 +152,8 @@ int rs400_gart_enable(struct radeon_device *rdev)
 		WREG32(RADEON_AGP_BASE, 0xFFFFFFFF);
 		WREG32(RS480_AGP_BASE_2, 0);
 	}
-	tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
-	tmp = REG_SET(RS690_MC_AGP_TOP, tmp >> 16);
-	tmp |= REG_SET(RS690_MC_AGP_START, rdev->mc.gtt_location >> 16);
+	tmp = REG_SET(RS690_MC_AGP_TOP, rdev->mc.gtt_end >> 16);
+	tmp |= REG_SET(RS690_MC_AGP_START, rdev->mc.gtt_start >> 16);
 	if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) {
 		WREG32_MC(RS690_MCCFG_AGP_LOCATION, tmp);
 		tmp = RREG32(RADEON_BUS_CNTL) & ~RS600_BUS_MASTER_DIS;
@@ -202,9 +203,9 @@ void rs400_gart_disable(struct radeon_device *rdev)
 
 void rs400_gart_fini(struct radeon_device *rdev)
 {
+	radeon_gart_fini(rdev);
 	rs400_gart_disable(rdev);
 	radeon_gart_table_ram_free(rdev);
-	radeon_gart_fini(rdev);
 }
 
 int rs400_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
@@ -251,14 +252,20 @@ void rs400_gpu_init(struct radeon_device *rdev)
 	}
 }
 
-void rs400_vram_info(struct radeon_device *rdev)
+void rs400_mc_init(struct radeon_device *rdev)
 {
+	u64 base;
+
 	rs400_gart_adjust_size(rdev);
+	rdev->mc.igp_sideport_enabled = radeon_combios_sideport_present(rdev);
 	/* DDR for all card after R300 & IGP */
 	rdev->mc.vram_is_ddr = true;
 	rdev->mc.vram_width = 128;
-
 	r100_vram_init_sizes(rdev);
+	base = (RREG32(RADEON_NB_TOM) & 0xffff) << 16;
+	radeon_vram_location(rdev, &rdev->mc, base);
+	radeon_gtt_location(rdev, &rdev->mc);
+	radeon_update_bandwidth_info(rdev);
 }
 
 uint32_t rs400_mc_rreg(struct radeon_device *rdev, uint32_t reg)
@@ -362,22 +369,6 @@ static int rs400_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
 #endif
 }
 
-static int rs400_mc_init(struct radeon_device *rdev)
-{
-	int r;
-	u32 tmp;
-
-	/* Setup GPU memory space */
-	tmp = RREG32(R_00015C_NB_TOM);
-	rdev->mc.vram_location = G_00015C_MC_FB_START(tmp) << 16;
-	rdev->mc.gtt_location = 0xFFFFFFFFUL;
-	r = radeon_mc_setup(rdev);
-	rdev->mc.igp_sideport_enabled = radeon_combios_sideport_present(rdev);
-	if (r)
-		return r;
-	return 0;
-}
-
 void rs400_mc_program(struct radeon_device *rdev)
 {
 	struct r100_mc_save save;
@@ -399,6 +390,8 @@ static int rs400_startup(struct radeon_device *rdev)
 {
 	int r;
 
+	r100_set_common_regs(rdev);
+
 	rs400_mc_program(rdev);
 	/* Resume clock */
 	r300_clock_startup(rdev);
@@ -464,6 +457,7 @@ int rs400_suspend(struct radeon_device *rdev)
 
 void rs400_fini(struct radeon_device *rdev)
 {
+	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -516,12 +510,8 @@ int rs400_init(struct radeon_device *rdev)
 	radeon_get_clock_info(rdev->ddev);
 	/* Initialize power management */
 	radeon_pm_init(rdev);
-	/* Get vram informations */
-	rs400_vram_info(rdev);
-	/* Initialize memory controller (also test AGP) */
-	r = rs400_mc_init(rdev);
-	if (r)
-		return r;
+	/* initialize memory controller */
+	rs400_mc_init(rdev);
 	/* Fence driver */
 	r = radeon_fence_driver_init(rdev);
 	if (r)
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index c3818562a13e..abf824c2123d 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -37,6 +37,7 @@
  */
 #include "drmP.h"
 #include "radeon.h"
+#include "radeon_asic.h"
 #include "atom.h"
 #include "rs600d.h"
 
@@ -45,23 +46,6 @@
 void rs600_gpu_init(struct radeon_device *rdev);
 int rs600_mc_wait_for_idle(struct radeon_device *rdev);
 
-int rs600_mc_init(struct radeon_device *rdev)
-{
-	/* read back the MC value from the hw */
-	int r;
-	u32 tmp;
-
-	/* Setup GPU memory space */
-	tmp = RREG32_MC(R_000004_MC_FB_LOCATION);
-	rdev->mc.vram_location = G_000004_MC_FB_START(tmp) << 16;
-	rdev->mc.gtt_location = 0xffffffffUL;
-	r = radeon_mc_setup(rdev);
-	rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
-	if (r)
-		return r;
-	return 0;
-}
-
 /* hpd for digital panel detect/disconnect */
 bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
 {
@@ -213,6 +197,7 @@ int rs600_gart_enable(struct radeon_device *rdev)
 	r = radeon_gart_table_vram_pin(rdev);
 	if (r)
 		return r;
+	radeon_gart_restore(rdev);
 	/* Enable bus master */
 	tmp = RREG32(R_00004C_BUS_CNTL) & C_00004C_BUS_MASTER_DIS;
 	WREG32(R_00004C_BUS_CNTL, tmp);
@@ -283,9 +268,9 @@ void rs600_gart_disable(struct radeon_device *rdev)
 
 void rs600_gart_fini(struct radeon_device *rdev)
 {
+	radeon_gart_fini(rdev);
 	rs600_gart_disable(rdev);
 	radeon_gart_table_vram_free(rdev);
-	radeon_gart_fini(rdev);
 }
 
 #define R600_PTE_VALID     (1 << 0)
@@ -406,10 +391,16 @@ int rs600_irq_process(struct radeon_device *rdev)
 		if (G_000044_SW_INT(status))
 			radeon_fence_process(rdev);
 		/* Vertical blank interrupts */
-		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(r500_disp_int))
+		if (G_007EDC_LB_D1_VBLANK_INTERRUPT(r500_disp_int)) {
 			drm_handle_vblank(rdev->ddev, 0);
-		if (G_007EDC_LB_D2_VBLANK_INTERRUPT(r500_disp_int))
+			rdev->pm.vblank_sync = true;
+			wake_up(&rdev->irq.vblank_queue);
+		}
+		if (G_007EDC_LB_D2_VBLANK_INTERRUPT(r500_disp_int)) {
 			drm_handle_vblank(rdev->ddev, 1);
+			rdev->pm.vblank_sync = true;
+			wake_up(&rdev->irq.vblank_queue);
+		}
 		if (G_007EDC_DC_HOT_PLUG_DETECT1_INTERRUPT(r500_disp_int)) {
 			queue_hotplug = true;
 			DRM_DEBUG("HPD1\n");
@@ -470,27 +461,52 @@ void rs600_gpu_init(struct radeon_device *rdev)
 		dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
 }
 
-void rs600_vram_info(struct radeon_device *rdev)
+void rs600_mc_init(struct radeon_device *rdev)
 {
+	u64 base;
+
+	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
+	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
 	rdev->mc.vram_is_ddr = true;
 	rdev->mc.vram_width = 128;
-
 	rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
 	rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
-
-	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
-	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
-
-	if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
-		rdev->mc.mc_vram_size = rdev->mc.aper_size;
-
-	if (rdev->mc.real_vram_size > rdev->mc.aper_size)
-		rdev->mc.real_vram_size = rdev->mc.aper_size;
+	rdev->mc.visible_vram_size = rdev->mc.aper_size;
+	rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
+	base = RREG32_MC(R_000004_MC_FB_LOCATION);
+	base = G_000004_MC_FB_START(base) << 16;
+	rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
+	radeon_vram_location(rdev, &rdev->mc, base);
+	radeon_gtt_location(rdev, &rdev->mc);
+	radeon_update_bandwidth_info(rdev);
 }
 
 void rs600_bandwidth_update(struct radeon_device *rdev)
 {
-	/* FIXME: implement, should this be like rs690 ? */
+	struct drm_display_mode *mode0 = NULL;
+	struct drm_display_mode *mode1 = NULL;
+	u32 d1mode_priority_a_cnt, d2mode_priority_a_cnt;
+	/* FIXME: implement full support */
+
+	radeon_update_display_priority(rdev);
+
+	if (rdev->mode_info.crtcs[0]->base.enabled)
+		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
+	if (rdev->mode_info.crtcs[1]->base.enabled)
+		mode1 = &rdev->mode_info.crtcs[1]->base.mode;
+
+	rs690_line_buffer_adjust(rdev, mode0, mode1);
+
+	if (rdev->disp_priority == 2) {
+		d1mode_priority_a_cnt = RREG32(R_006548_D1MODE_PRIORITY_A_CNT);
+		d2mode_priority_a_cnt = RREG32(R_006D48_D2MODE_PRIORITY_A_CNT);
+		d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
+		d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
+		WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
+		WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
+		WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
+		WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
+	}
 }
 
 uint32_t rs600_mc_rreg(struct radeon_device *rdev, uint32_t reg)
@@ -610,6 +626,7 @@ int rs600_suspend(struct radeon_device *rdev)
 
 void rs600_fini(struct radeon_device *rdev)
 {
+	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -661,12 +678,8 @@ int rs600_init(struct radeon_device *rdev)
 	radeon_get_clock_info(rdev->ddev);
 	/* Initialize power management */
 	radeon_pm_init(rdev);
-	/* Get vram informations */
-	rs600_vram_info(rdev);
-	/* Initialize memory controller (also test AGP) */
-	r = rs600_mc_init(rdev);
-	if (r)
-		return r;
+	/* initialize memory controller */
+	rs600_mc_init(rdev);
 	rs600_debugfs(rdev);
 	/* Fence driver */
 	r = radeon_fence_driver_init(rdev);
diff --git a/drivers/gpu/drm/radeon/rs600d.h b/drivers/gpu/drm/radeon/rs600d.h
index c1c8f5885cbb..e52d2695510b 100644
--- a/drivers/gpu/drm/radeon/rs600d.h
+++ b/drivers/gpu/drm/radeon/rs600d.h
@@ -535,4 +535,57 @@
 #define   G_00016C_INVALIDATE_L1_TLB(x)                (((x) >> 20) & 0x1)
 #define   C_00016C_INVALIDATE_L1_TLB                   0xFFEFFFFF
 
+#define R_006548_D1MODE_PRIORITY_A_CNT               0x006548
+#define   S_006548_D1MODE_PRIORITY_MARK_A(x)           (((x) & 0x7FFF) << 0)
+#define   G_006548_D1MODE_PRIORITY_MARK_A(x)           (((x) >> 0) & 0x7FFF)
+#define   C_006548_D1MODE_PRIORITY_MARK_A              0xFFFF8000
+#define   S_006548_D1MODE_PRIORITY_A_OFF(x)            (((x) & 0x1) << 16)
+#define   G_006548_D1MODE_PRIORITY_A_OFF(x)            (((x) >> 16) & 0x1)
+#define   C_006548_D1MODE_PRIORITY_A_OFF               0xFFFEFFFF
+#define   S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(x)      (((x) & 0x1) << 20)
+#define   G_006548_D1MODE_PRIORITY_A_ALWAYS_ON(x)      (((x) >> 20) & 0x1)
+#define   C_006548_D1MODE_PRIORITY_A_ALWAYS_ON         0xFFEFFFFF
+#define   S_006548_D1MODE_PRIORITY_A_FORCE_MASK(x)     (((x) & 0x1) << 24)
+#define   G_006548_D1MODE_PRIORITY_A_FORCE_MASK(x)     (((x) >> 24) & 0x1)
+#define   C_006548_D1MODE_PRIORITY_A_FORCE_MASK        0xFEFFFFFF
+#define R_00654C_D1MODE_PRIORITY_B_CNT               0x00654C
+#define   S_00654C_D1MODE_PRIORITY_MARK_B(x)           (((x) & 0x7FFF) << 0)
+#define   G_00654C_D1MODE_PRIORITY_MARK_B(x)           (((x) >> 0) & 0x7FFF)
+#define   C_00654C_D1MODE_PRIORITY_MARK_B              0xFFFF8000
+#define   S_00654C_D1MODE_PRIORITY_B_OFF(x)            (((x) & 0x1) << 16)
+#define   G_00654C_D1MODE_PRIORITY_B_OFF(x)            (((x) >> 16) & 0x1)
+#define   C_00654C_D1MODE_PRIORITY_B_OFF               0xFFFEFFFF
+#define   S_00654C_D1MODE_PRIORITY_B_ALWAYS_ON(x)      (((x) & 0x1) << 20)
+#define   G_00654C_D1MODE_PRIORITY_B_ALWAYS_ON(x)      (((x) >> 20) & 0x1)
+#define   C_00654C_D1MODE_PRIORITY_B_ALWAYS_ON         0xFFEFFFFF
+#define   S_00654C_D1MODE_PRIORITY_B_FORCE_MASK(x)     (((x) & 0x1) << 24)
+#define   G_00654C_D1MODE_PRIORITY_B_FORCE_MASK(x)     (((x) >> 24) & 0x1)
+#define   C_00654C_D1MODE_PRIORITY_B_FORCE_MASK        0xFEFFFFFF
+#define R_006D48_D2MODE_PRIORITY_A_CNT               0x006D48
+#define   S_006D48_D2MODE_PRIORITY_MARK_A(x)           (((x) & 0x7FFF) << 0)
+#define   G_006D48_D2MODE_PRIORITY_MARK_A(x)           (((x) >> 0) & 0x7FFF)
+#define   C_006D48_D2MODE_PRIORITY_MARK_A              0xFFFF8000
+#define   S_006D48_D2MODE_PRIORITY_A_OFF(x)            (((x) & 0x1) << 16)
+#define   G_006D48_D2MODE_PRIORITY_A_OFF(x)            (((x) >> 16) & 0x1)
+#define   C_006D48_D2MODE_PRIORITY_A_OFF               0xFFFEFFFF
+#define   S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(x)      (((x) & 0x1) << 20)
+#define   G_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(x)      (((x) >> 20) & 0x1)
+#define   C_006D48_D2MODE_PRIORITY_A_ALWAYS_ON         0xFFEFFFFF
+#define   S_006D48_D2MODE_PRIORITY_A_FORCE_MASK(x)     (((x) & 0x1) << 24)
+#define   G_006D48_D2MODE_PRIORITY_A_FORCE_MASK(x)     (((x) >> 24) & 0x1)
+#define   C_006D48_D2MODE_PRIORITY_A_FORCE_MASK        0xFEFFFFFF
+#define R_006D4C_D2MODE_PRIORITY_B_CNT               0x006D4C
+#define   S_006D4C_D2MODE_PRIORITY_MARK_B(x)           (((x) & 0x7FFF) << 0)
+#define   G_006D4C_D2MODE_PRIORITY_MARK_B(x)           (((x) >> 0) & 0x7FFF)
+#define   C_006D4C_D2MODE_PRIORITY_MARK_B              0xFFFF8000
+#define   S_006D4C_D2MODE_PRIORITY_B_OFF(x)            (((x) & 0x1) << 16)
+#define   G_006D4C_D2MODE_PRIORITY_B_OFF(x)            (((x) >> 16) & 0x1)
+#define   C_006D4C_D2MODE_PRIORITY_B_OFF               0xFFFEFFFF
+#define   S_006D4C_D2MODE_PRIORITY_B_ALWAYS_ON(x)      (((x) & 0x1) << 20)
+#define   G_006D4C_D2MODE_PRIORITY_B_ALWAYS_ON(x)      (((x) >> 20) & 0x1)
+#define   C_006D4C_D2MODE_PRIORITY_B_ALWAYS_ON         0xFFEFFFFF
+#define   S_006D4C_D2MODE_PRIORITY_B_FORCE_MASK(x)     (((x) & 0x1) << 24)
+#define   G_006D4C_D2MODE_PRIORITY_B_FORCE_MASK(x)     (((x) >> 24) & 0x1)
+#define   C_006D4C_D2MODE_PRIORITY_B_FORCE_MASK        0xFEFFFFFF
+
 #endif
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 06e2771aee5a..bbf3da790fd5 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -27,6 +27,7 @@
  */
 #include "drmP.h"
 #include "radeon.h"
+#include "radeon_asic.h"
 #include "atom.h"
 #include "rs690d.h"
 
@@ -57,42 +58,57 @@ static void rs690_gpu_init(struct radeon_device *rdev)
 	}
 }
 
+union igp_info {
+	struct _ATOM_INTEGRATED_SYSTEM_INFO info;
+	struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_v2;
+};
+
 void rs690_pm_info(struct radeon_device *rdev)
 {
 	int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
-	struct _ATOM_INTEGRATED_SYSTEM_INFO *info;
-	struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 *info_v2;
-	void *ptr;
+	union igp_info *info;
 	uint16_t data_offset;
 	uint8_t frev, crev;
 	fixed20_12 tmp;
 
-	atom_parse_data_header(rdev->mode_info.atom_context, index, NULL,
-			       &frev, &crev, &data_offset);
-	ptr = rdev->mode_info.atom_context->bios + data_offset;
-	info = (struct _ATOM_INTEGRATED_SYSTEM_INFO *)ptr;
-	info_v2 = (struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 *)ptr;
-	/* Get various system informations from bios */
-	switch (crev) {
-	case 1:
-		tmp.full = rfixed_const(100);
-		rdev->pm.igp_sideport_mclk.full = rfixed_const(info->ulBootUpMemoryClock);
-		rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
-		rdev->pm.igp_system_mclk.full = rfixed_const(le16_to_cpu(info->usK8MemoryClock));
-		rdev->pm.igp_ht_link_clk.full = rfixed_const(le16_to_cpu(info->usFSBClock));
-		rdev->pm.igp_ht_link_width.full = rfixed_const(info->ucHTLinkWidth);
-		break;
-	case 2:
-		tmp.full = rfixed_const(100);
-		rdev->pm.igp_sideport_mclk.full = rfixed_const(info_v2->ulBootUpSidePortClock);
-		rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
-		rdev->pm.igp_system_mclk.full = rfixed_const(info_v2->ulBootUpUMAClock);
-		rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
-		rdev->pm.igp_ht_link_clk.full = rfixed_const(info_v2->ulHTLinkFreq);
-		rdev->pm.igp_ht_link_clk.full = rfixed_div(rdev->pm.igp_ht_link_clk, tmp);
-		rdev->pm.igp_ht_link_width.full = rfixed_const(le16_to_cpu(info_v2->usMinHTLinkWidth));
-		break;
-	default:
+	if (atom_parse_data_header(rdev->mode_info.atom_context, index, NULL,
+				   &frev, &crev, &data_offset)) {
+		info = (union igp_info *)(rdev->mode_info.atom_context->bios + data_offset);
+
+		/* Get various system informations from bios */
+		switch (crev) {
+		case 1:
+			tmp.full = rfixed_const(100);
+			rdev->pm.igp_sideport_mclk.full = rfixed_const(info->info.ulBootUpMemoryClock);
+			rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
+			rdev->pm.igp_system_mclk.full = rfixed_const(le16_to_cpu(info->info.usK8MemoryClock));
+			rdev->pm.igp_ht_link_clk.full = rfixed_const(le16_to_cpu(info->info.usFSBClock));
+			rdev->pm.igp_ht_link_width.full = rfixed_const(info->info.ucHTLinkWidth);
+			break;
+		case 2:
+			tmp.full = rfixed_const(100);
+			rdev->pm.igp_sideport_mclk.full = rfixed_const(info->info_v2.ulBootUpSidePortClock);
+			rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
+			rdev->pm.igp_system_mclk.full = rfixed_const(info->info_v2.ulBootUpUMAClock);
+			rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
+			rdev->pm.igp_ht_link_clk.full = rfixed_const(info->info_v2.ulHTLinkFreq);
+			rdev->pm.igp_ht_link_clk.full = rfixed_div(rdev->pm.igp_ht_link_clk, tmp);
+			rdev->pm.igp_ht_link_width.full = rfixed_const(le16_to_cpu(info->info_v2.usMinHTLinkWidth));
+			break;
+		default:
+			tmp.full = rfixed_const(100);
+			/* We assume the slower possible clock ie worst case */
+			/* DDR 333Mhz */
+			rdev->pm.igp_sideport_mclk.full = rfixed_const(333);
+			/* FIXME: system clock ? */
+			rdev->pm.igp_system_mclk.full = rfixed_const(100);
+			rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
+			rdev->pm.igp_ht_link_clk.full = rfixed_const(200);
+			rdev->pm.igp_ht_link_width.full = rfixed_const(8);
+			DRM_ERROR("No integrated system info for your GPU, using safe default\n");
+			break;
+		}
+	} else {
 		tmp.full = rfixed_const(100);
 		/* We assume the slower possible clock ie worst case */
 		/* DDR 333Mhz */
@@ -103,7 +119,6 @@ void rs690_pm_info(struct radeon_device *rdev)
 		rdev->pm.igp_ht_link_clk.full = rfixed_const(200);
 		rdev->pm.igp_ht_link_width.full = rfixed_const(8);
 		DRM_ERROR("No integrated system info for your GPU, using safe default\n");
-		break;
 	}
 	/* Compute various bandwidth */
 	/* k8_bandwidth = (memory_clk / 2) * 2 * 8 * 0.5 = memory_clk * 4  */
@@ -129,53 +144,25 @@ void rs690_pm_info(struct radeon_device *rdev)
 	rdev->pm.sideport_bandwidth.full = rfixed_div(rdev->pm.sideport_bandwidth, tmp);
 }
 
-void rs690_vram_info(struct radeon_device *rdev)
+void rs690_mc_init(struct radeon_device *rdev)
 {
-	fixed20_12 a;
+	u64 base;
 
 	rs400_gart_adjust_size(rdev);
-
 	rdev->mc.vram_is_ddr = true;
 	rdev->mc.vram_width = 128;
-
 	rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
 	rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
-
 	rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
 	rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
-
-	if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
-		rdev->mc.mc_vram_size = rdev->mc.aper_size;
-
-	if (rdev->mc.real_vram_size > rdev->mc.aper_size)
-		rdev->mc.real_vram_size = rdev->mc.aper_size;
-
+	rdev->mc.visible_vram_size = rdev->mc.aper_size;
+	base = RREG32_MC(R_000100_MCCFG_FB_LOCATION);
+	base = G_000100_MC_FB_START(base) << 16;
 	rs690_pm_info(rdev);
-	/* FIXME: we should enforce default clock in case GPU is not in
-	 * default setup
-	 */
-	a.full = rfixed_const(100);
-	rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
-	rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
-	a.full = rfixed_const(16);
-	/* core_bandwidth = sclk(Mhz) * 16 */
-	rdev->pm.core_bandwidth.full = rfixed_div(rdev->pm.sclk, a);
-}
-
-static int rs690_mc_init(struct radeon_device *rdev)
-{
-	int r;
-	u32 tmp;
-
-	/* Setup GPU memory space */
-	tmp = RREG32_MC(R_000100_MCCFG_FB_LOCATION);
-	rdev->mc.vram_location = G_000100_MC_FB_START(tmp) << 16;
-	rdev->mc.gtt_location = 0xFFFFFFFFUL;
-	r = radeon_mc_setup(rdev);
 	rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
-	if (r)
-		return r;
-	return 0;
+	radeon_vram_location(rdev, &rdev->mc, base);
+	radeon_gtt_location(rdev, &rdev->mc);
+	radeon_update_bandwidth_info(rdev);
 }
 
 void rs690_line_buffer_adjust(struct radeon_device *rdev,
@@ -413,10 +400,12 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
 	struct drm_display_mode *mode1 = NULL;
 	struct rs690_watermark wm0;
 	struct rs690_watermark wm1;
-	u32 tmp;
+	u32 tmp, d1mode_priority_a_cnt, d2mode_priority_a_cnt;
 	fixed20_12 priority_mark02, priority_mark12, fill_rate;
 	fixed20_12 a, b;
 
+	radeon_update_display_priority(rdev);
+
 	if (rdev->mode_info.crtcs[0]->base.enabled)
 		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
 	if (rdev->mode_info.crtcs[1]->base.enabled)
@@ -426,7 +415,8 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
 	 * modes if the user specifies HIGH for displaypriority
 	 * option.
 	 */
-	if (rdev->disp_priority == 2) {
+	if ((rdev->disp_priority == 2) &&
+	    ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740))) {
 		tmp = RREG32_MC(R_000104_MC_INIT_MISC_LAT_TIMER);
 		tmp &= C_000104_MC_DISP0R_INIT_LAT;
 		tmp &= C_000104_MC_DISP1R_INIT_LAT;
@@ -501,10 +491,16 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
 			priority_mark12.full = 0;
 		if (wm1.priority_mark_max.full > priority_mark12.full)
 			priority_mark12.full = wm1.priority_mark_max.full;
-		WREG32(R_006548_D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
-		WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
-		WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
-		WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
+		d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
+		d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
+		if (rdev->disp_priority == 2) {
+			d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
+			d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
+		}
+		WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
+		WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
+		WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
+		WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
 	} else if (mode0) {
 		if (rfixed_trunc(wm0.dbpp) > 64)
 			a.full = rfixed_mul(wm0.dbpp, wm0.num_line_pair);
@@ -531,8 +527,11 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
 			priority_mark02.full = 0;
 		if (wm0.priority_mark_max.full > priority_mark02.full)
 			priority_mark02.full = wm0.priority_mark_max.full;
-		WREG32(R_006548_D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
-		WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
+		d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
+		if (rdev->disp_priority == 2)
+			d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1);
+		WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
+		WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
 		WREG32(R_006D48_D2MODE_PRIORITY_A_CNT,
 			S_006D48_D2MODE_PRIORITY_A_OFF(1));
 		WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT,
@@ -563,12 +562,15 @@ void rs690_bandwidth_update(struct radeon_device *rdev)
 			priority_mark12.full = 0;
 		if (wm1.priority_mark_max.full > priority_mark12.full)
 			priority_mark12.full = wm1.priority_mark_max.full;
+		d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
+		if (rdev->disp_priority == 2)
+			d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1);
 		WREG32(R_006548_D1MODE_PRIORITY_A_CNT,
 			S_006548_D1MODE_PRIORITY_A_OFF(1));
 		WREG32(R_00654C_D1MODE_PRIORITY_B_CNT,
 			S_00654C_D1MODE_PRIORITY_B_OFF(1));
-		WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
-		WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
+		WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
+		WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
 	}
 }
 
@@ -676,6 +678,7 @@ int rs690_suspend(struct radeon_device *rdev)
 
 void rs690_fini(struct radeon_device *rdev)
 {
+	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -728,12 +731,8 @@ int rs690_init(struct radeon_device *rdev)
 	radeon_get_clock_info(rdev->ddev);
 	/* Initialize power management */
 	radeon_pm_init(rdev);
-	/* Get vram informations */
-	rs690_vram_info(rdev);
-	/* Initialize memory controller (also test AGP) */
-	r = rs690_mc_init(rdev);
-	if (r)
-		return r;
+	/* initialize memory controller */
+	rs690_mc_init(rdev);
 	rv515_debugfs(rdev);
 	/* Fence driver */
 	r = radeon_fence_driver_init(rdev);
diff --git a/drivers/gpu/drm/radeon/rs690d.h b/drivers/gpu/drm/radeon/rs690d.h
index 62d31e7a897f..36e6398a98ae 100644
--- a/drivers/gpu/drm/radeon/rs690d.h
+++ b/drivers/gpu/drm/radeon/rs690d.h
@@ -182,6 +182,9 @@
 #define   S_006548_D1MODE_PRIORITY_A_OFF(x)            (((x) & 0x1) << 16)
 #define   G_006548_D1MODE_PRIORITY_A_OFF(x)            (((x) >> 16) & 0x1)
 #define   C_006548_D1MODE_PRIORITY_A_OFF               0xFFFEFFFF
+#define   S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(x)      (((x) & 0x1) << 20)
+#define   G_006548_D1MODE_PRIORITY_A_ALWAYS_ON(x)      (((x) >> 20) & 0x1)
+#define   C_006548_D1MODE_PRIORITY_A_ALWAYS_ON         0xFFEFFFFF
 #define   S_006548_D1MODE_PRIORITY_A_FORCE_MASK(x)     (((x) & 0x1) << 24)
 #define   G_006548_D1MODE_PRIORITY_A_FORCE_MASK(x)     (((x) >> 24) & 0x1)
 #define   C_006548_D1MODE_PRIORITY_A_FORCE_MASK        0xFEFFFFFF
diff --git a/drivers/gpu/drm/radeon/rv515.c b/drivers/gpu/drm/radeon/rv515.c
index 0e1e6b8632b8..1cf233f7e516 100644
--- a/drivers/gpu/drm/radeon/rv515.c
+++ b/drivers/gpu/drm/radeon/rv515.c
@@ -29,6 +29,7 @@
 #include "drmP.h"
 #include "rv515d.h"
 #include "radeon.h"
+#include "radeon_asic.h"
 #include "atom.h"
 #include "rv515_reg_safe.h"
 
@@ -277,19 +278,15 @@ static void rv515_vram_get_type(struct radeon_device *rdev)
 	}
 }
 
-void rv515_vram_info(struct radeon_device *rdev)
+void rv515_mc_init(struct radeon_device *rdev)
 {
-	fixed20_12 a;
 
 	rv515_vram_get_type(rdev);
-
 	r100_vram_init_sizes(rdev);
-	/* FIXME: we should enforce default clock in case GPU is not in
-	 * default setup
-	 */
-	a.full = rfixed_const(100);
-	rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
-	rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
+	radeon_vram_location(rdev, &rdev->mc, 0);
+	if (!(rdev->flags & RADEON_IS_AGP))
+		radeon_gtt_location(rdev, &rdev->mc);
+	radeon_update_bandwidth_info(rdev);
 }
 
 uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
@@ -537,6 +534,7 @@ void rv515_set_safe_registers(struct radeon_device *rdev)
 
 void rv515_fini(struct radeon_device *rdev)
 {
+	radeon_pm_fini(rdev);
 	r100_cp_fini(rdev);
 	r100_wb_fini(rdev);
 	r100_ib_fini(rdev);
@@ -587,12 +585,15 @@ int rv515_init(struct radeon_device *rdev)
 	radeon_get_clock_info(rdev->ddev);
 	/* Initialize power management */
 	radeon_pm_init(rdev);
-	/* Get vram informations */
-	rv515_vram_info(rdev);
-	/* Initialize memory controller (also test AGP) */
-	r = r420_mc_init(rdev);
-	if (r)
-		return r;
+	/* initialize AGP */
+	if (rdev->flags & RADEON_IS_AGP) {
+		r = radeon_agp_init(rdev);
+		if (r) {
+			radeon_agp_disable(rdev);
+		}
+	}
+	/* initialize memory controller */
+	rv515_mc_init(rdev);
 	rv515_debugfs(rdev);
 	/* Fence driver */
 	r = radeon_fence_driver_init(rdev);
@@ -1015,7 +1016,7 @@ void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
 	struct drm_display_mode *mode1 = NULL;
 	struct rv515_watermark wm0;
 	struct rv515_watermark wm1;
-	u32 tmp;
+	u32 tmp, d1mode_priority_a_cnt, d2mode_priority_a_cnt;
 	fixed20_12 priority_mark02, priority_mark12, fill_rate;
 	fixed20_12 a, b;
 
@@ -1083,10 +1084,16 @@ void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
 			priority_mark12.full = 0;
 		if (wm1.priority_mark_max.full > priority_mark12.full)
 			priority_mark12.full = wm1.priority_mark_max.full;
-		WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
-		WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
-		WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
-		WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
+		d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
+		d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
+		if (rdev->disp_priority == 2) {
+			d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
+			d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
+		}
+		WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
+		WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
+		WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
+		WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
 	} else if (mode0) {
 		if (rfixed_trunc(wm0.dbpp) > 64)
 			a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
@@ -1113,8 +1120,11 @@ void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
 			priority_mark02.full = 0;
 		if (wm0.priority_mark_max.full > priority_mark02.full)
 			priority_mark02.full = wm0.priority_mark_max.full;
-		WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
-		WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
+		d1mode_priority_a_cnt = rfixed_trunc(priority_mark02);
+		if (rdev->disp_priority == 2)
+			d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
+		WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
+		WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt);
 		WREG32(D2MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
 		WREG32(D2MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
 	} else {
@@ -1143,10 +1153,13 @@ void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
 			priority_mark12.full = 0;
 		if (wm1.priority_mark_max.full > priority_mark12.full)
 			priority_mark12.full = wm1.priority_mark_max.full;
+		d2mode_priority_a_cnt = rfixed_trunc(priority_mark12);
+		if (rdev->disp_priority == 2)
+			d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
 		WREG32(D1MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
 		WREG32(D1MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
-		WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
-		WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
+		WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
+		WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt);
 	}
 }
 
@@ -1156,6 +1169,8 @@ void rv515_bandwidth_update(struct radeon_device *rdev)
 	struct drm_display_mode *mode0 = NULL;
 	struct drm_display_mode *mode1 = NULL;
 
+	radeon_update_display_priority(rdev);
+
 	if (rdev->mode_info.crtcs[0]->base.enabled)
 		mode0 = &rdev->mode_info.crtcs[0]->base.mode;
 	if (rdev->mode_info.crtcs[1]->base.enabled)
@@ -1165,7 +1180,8 @@ void rv515_bandwidth_update(struct radeon_device *rdev)
 	 * modes if the user specifies HIGH for displaypriority
 	 * option.
 	 */
-	if (rdev->disp_priority == 2) {
+	if ((rdev->disp_priority == 2) &&
+	    (rdev->family == CHIP_RV515)) {
 		tmp = RREG32_MC(MC_MISC_LAT_TIMER);
 		tmp &= ~MC_DISP1R_INIT_LAT_MASK;
 		tmp &= ~MC_DISP0R_INIT_LAT_MASK;
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 03021674d097..9f37d2efb0a9 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -29,6 +29,7 @@
 #include <linux/platform_device.h>
 #include "drmP.h"
 #include "radeon.h"
+#include "radeon_asic.h"
 #include "radeon_drm.h"
 #include "rv770d.h"
 #include "atom.h"
@@ -56,6 +57,7 @@ int rv770_pcie_gart_enable(struct radeon_device *rdev)
 	r = radeon_gart_table_vram_pin(rdev);
 	if (r)
 		return r;
+	radeon_gart_restore(rdev);
 	/* Setup L2 cache */
 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
@@ -124,9 +126,9 @@ void rv770_pcie_gart_disable(struct radeon_device *rdev)
 
 void rv770_pcie_gart_fini(struct radeon_device *rdev)
 {
+	radeon_gart_fini(rdev);
 	rv770_pcie_gart_disable(rdev);
 	radeon_gart_table_vram_free(rdev);
-	radeon_gart_fini(rdev);
 }
 
 
@@ -273,9 +275,10 @@ static int rv770_cp_load_microcode(struct radeon_device *rdev)
 /*
  * Core functions
  */
-static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
-						u32 num_backends,
-						u32 backend_disable_mask)
+static u32 r700_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
+					     u32 num_tile_pipes,
+					     u32 num_backends,
+					     u32 backend_disable_mask)
 {
 	u32 backend_map = 0;
 	u32 enabled_backends_mask;
@@ -284,6 +287,7 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
 	u32 swizzle_pipe[R7XX_MAX_PIPES];
 	u32 cur_backend;
 	u32 i;
+	bool force_no_swizzle;
 
 	if (num_tile_pipes > R7XX_MAX_PIPES)
 		num_tile_pipes = R7XX_MAX_PIPES;
@@ -313,6 +317,18 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
 	if (enabled_backends_count != num_backends)
 		num_backends = enabled_backends_count;
 
+	switch (rdev->family) {
+	case CHIP_RV770:
+	case CHIP_RV730:
+		force_no_swizzle = false;
+		break;
+	case CHIP_RV710:
+	case CHIP_RV740:
+	default:
+		force_no_swizzle = true;
+		break;
+	}
+
 	memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * R7XX_MAX_PIPES);
 	switch (num_tile_pipes) {
 	case 1:
@@ -323,49 +339,100 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
 		swizzle_pipe[1] = 1;
 		break;
 	case 3:
-		swizzle_pipe[0] = 0;
-		swizzle_pipe[1] = 2;
-		swizzle_pipe[2] = 1;
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 1;
+		}
 		break;
 	case 4:
-		swizzle_pipe[0] = 0;
-		swizzle_pipe[1] = 2;
-		swizzle_pipe[2] = 3;
-		swizzle_pipe[3] = 1;
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+			swizzle_pipe[3] = 3;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 3;
+			swizzle_pipe[3] = 1;
+		}
 		break;
 	case 5:
-		swizzle_pipe[0] = 0;
-		swizzle_pipe[1] = 2;
-		swizzle_pipe[2] = 4;
-		swizzle_pipe[3] = 1;
-		swizzle_pipe[4] = 3;
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+			swizzle_pipe[3] = 3;
+			swizzle_pipe[4] = 4;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 4;
+			swizzle_pipe[3] = 1;
+			swizzle_pipe[4] = 3;
+		}
 		break;
 	case 6:
-		swizzle_pipe[0] = 0;
-		swizzle_pipe[1] = 2;
-		swizzle_pipe[2] = 4;
-		swizzle_pipe[3] = 5;
-		swizzle_pipe[4] = 3;
-		swizzle_pipe[5] = 1;
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+			swizzle_pipe[3] = 3;
+			swizzle_pipe[4] = 4;
+			swizzle_pipe[5] = 5;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 4;
+			swizzle_pipe[3] = 5;
+			swizzle_pipe[4] = 3;
+			swizzle_pipe[5] = 1;
+		}
 		break;
 	case 7:
-		swizzle_pipe[0] = 0;
-		swizzle_pipe[1] = 2;
-		swizzle_pipe[2] = 4;
-		swizzle_pipe[3] = 6;
-		swizzle_pipe[4] = 3;
-		swizzle_pipe[5] = 1;
-		swizzle_pipe[6] = 5;
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+			swizzle_pipe[3] = 3;
+			swizzle_pipe[4] = 4;
+			swizzle_pipe[5] = 5;
+			swizzle_pipe[6] = 6;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 4;
+			swizzle_pipe[3] = 6;
+			swizzle_pipe[4] = 3;
+			swizzle_pipe[5] = 1;
+			swizzle_pipe[6] = 5;
+		}
 		break;
 	case 8:
-		swizzle_pipe[0] = 0;
-		swizzle_pipe[1] = 2;
-		swizzle_pipe[2] = 4;
-		swizzle_pipe[3] = 6;
-		swizzle_pipe[4] = 3;
-		swizzle_pipe[5] = 1;
-		swizzle_pipe[6] = 7;
-		swizzle_pipe[7] = 5;
+		if (force_no_swizzle) {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 1;
+			swizzle_pipe[2] = 2;
+			swizzle_pipe[3] = 3;
+			swizzle_pipe[4] = 4;
+			swizzle_pipe[5] = 5;
+			swizzle_pipe[6] = 6;
+			swizzle_pipe[7] = 7;
+		} else {
+			swizzle_pipe[0] = 0;
+			swizzle_pipe[1] = 2;
+			swizzle_pipe[2] = 4;
+			swizzle_pipe[3] = 6;
+			swizzle_pipe[4] = 3;
+			swizzle_pipe[5] = 1;
+			swizzle_pipe[6] = 7;
+			swizzle_pipe[7] = 5;
+		}
 		break;
 	}
 
@@ -385,8 +452,10 @@ static u32 r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes,
 static void rv770_gpu_init(struct radeon_device *rdev)
 {
 	int i, j, num_qd_pipes;
+	u32 ta_aux_cntl;
 	u32 sx_debug_1;
 	u32 smx_dc_ctl0;
+	u32 db_debug3;
 	u32 num_gs_verts_per_thread;
 	u32 vgt_gs_per_es;
 	u32 gs_prim_buffer_depth = 0;
@@ -515,6 +584,7 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 
 	switch (rdev->config.rv770.max_tile_pipes) {
 	case 1:
+	default:
 		gb_tiling_config |= PIPE_TILING(0);
 		break;
 	case 2:
@@ -526,16 +596,17 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 	case 8:
 		gb_tiling_config |= PIPE_TILING(3);
 		break;
-	default:
-		break;
 	}
+	rdev->config.rv770.tiling_npipes = rdev->config.rv770.max_tile_pipes;
 
 	if (rdev->family == CHIP_RV770)
 		gb_tiling_config |= BANK_TILING(1);
 	else
 		gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
+	rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
 
 	gb_tiling_config |= GROUP_SIZE(0);
+	rdev->config.rv770.tiling_group_size = 256;
 
 	if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
 		gb_tiling_config |= ROW_TILING(3);
@@ -549,21 +620,27 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 
 	gb_tiling_config |= BANK_SWAPS(1);
 
-	if (rdev->family == CHIP_RV740)
-		backend_map = 0x28;
-	else
-		backend_map = r700_get_tile_pipe_to_backend_map(rdev->config.rv770.max_tile_pipes,
-								rdev->config.rv770.max_backends,
-								(0xff << rdev->config.rv770.max_backends) & 0xff);
-	gb_tiling_config |= BACKEND_MAP(backend_map);
+	cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
+	cc_rb_backend_disable |=
+		BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
 
-	cc_gc_shader_pipe_config =
+	cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffffff00;
+	cc_gc_shader_pipe_config |=
 		INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK << rdev->config.rv770.max_pipes) & R7XX_MAX_PIPES_MASK);
 	cc_gc_shader_pipe_config |=
 		INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK << rdev->config.rv770.max_simds) & R7XX_MAX_SIMDS_MASK);
 
-	cc_rb_backend_disable =
-		BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK << rdev->config.rv770.max_backends) & R7XX_MAX_BACKENDS_MASK);
+	if (rdev->family == CHIP_RV740)
+		backend_map = 0x28;
+	else
+		backend_map = r700_get_tile_pipe_to_backend_map(rdev,
+								rdev->config.rv770.max_tile_pipes,
+								(R7XX_MAX_BACKENDS -
+								 r600_count_pipe_bits((cc_rb_backend_disable &
+										       R7XX_MAX_BACKENDS_MASK) >> 16)),
+								(cc_rb_backend_disable >> 16));
+	gb_tiling_config |= BACKEND_MAP(backend_map);
+
 
 	WREG32(GB_TILING_CONFIG, gb_tiling_config);
 	WREG32(DCP_TILING_CONFIG, (gb_tiling_config & 0xffff));
@@ -572,15 +649,15 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 	WREG32(CC_RB_BACKEND_DISABLE,      cc_rb_backend_disable);
 	WREG32(CC_GC_SHADER_PIPE_CONFIG,   cc_gc_shader_pipe_config);
 	WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config);
+	WREG32(CC_SYS_RB_BACKEND_DISABLE,  cc_rb_backend_disable);
 
-	WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable);
 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
 	WREG32(CGTS_TCC_DISABLE, 0);
 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
 	WREG32(CGTS_USER_TCC_DISABLE, 0);
 
 	num_qd_pipes =
-		R7XX_MAX_BACKENDS - r600_count_pipe_bits(cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK);
+		R7XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
 	WREG32(VGT_OUT_DEALLOC_CNTL, (num_qd_pipes * 4) & DEALLOC_DIST_MASK);
 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((num_qd_pipes * 4) - 2) & VTX_REUSE_DEPTH_MASK);
 
@@ -590,10 +667,8 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 
 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
 
-	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
-			     SYNC_GRADIENT |
-			     SYNC_WALKER |
-			     SYNC_ALIGNER));
+	ta_aux_cntl = RREG32(TA_CNTL_AUX);
+	WREG32(TA_CNTL_AUX, ta_aux_cntl | DISABLE_CUBE_ANISO);
 
 	sx_debug_1 = RREG32(SX_DEBUG_1);
 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
@@ -604,14 +679,28 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 	smx_dc_ctl0 |= CACHE_DEPTH((rdev->config.rv770.sx_num_of_sets * 64) - 1);
 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
 
-	WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
-			       GS_FLUSH_CTL(4) |
-			       ACK_FLUSH_CTL(3) |
-			       SYNC_FLUSH_CTL));
+	if (rdev->family != CHIP_RV740)
+		WREG32(SMX_EVENT_CTL, (ES_FLUSH_CTL(4) |
+				       GS_FLUSH_CTL(4) |
+				       ACK_FLUSH_CTL(3) |
+				       SYNC_FLUSH_CTL));
 
-	if (rdev->family == CHIP_RV770)
-		WREG32(DB_DEBUG3, DB_CLK_OFF_DELAY(0x1f));
-	else {
+	db_debug3 = RREG32(DB_DEBUG3);
+	db_debug3 &= ~DB_CLK_OFF_DELAY(0x1f);
+	switch (rdev->family) {
+	case CHIP_RV770:
+	case CHIP_RV740:
+		db_debug3 |= DB_CLK_OFF_DELAY(0x1f);
+		break;
+	case CHIP_RV710:
+	case CHIP_RV730:
+	default:
+		db_debug3 |= DB_CLK_OFF_DELAY(2);
+		break;
+	}
+	WREG32(DB_DEBUG3, db_debug3);
+
+	if (rdev->family != CHIP_RV770) {
 		db_debug4 = RREG32(DB_DEBUG4);
 		db_debug4 |= DISABLE_TILE_COVERED_FOR_PS_ITER;
 		WREG32(DB_DEBUG4, db_debug4);
@@ -640,10 +729,10 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 			    ALU_UPDATE_FIFO_HIWATER(0x8));
 	switch (rdev->family) {
 	case CHIP_RV770:
-		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
-		break;
 	case CHIP_RV730:
 	case CHIP_RV710:
+		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x1);
+		break;
 	case CHIP_RV740:
 	default:
 		sq_ms_fifo_sizes |= FETCH_FIFO_HIWATER(0x4);
@@ -779,7 +868,6 @@ static void rv770_gpu_init(struct radeon_device *rdev)
 
 int rv770_mc_init(struct radeon_device *rdev)
 {
-	fixed20_12 a;
 	u32 tmp;
 	int chansize, numchan;
 
@@ -816,53 +904,18 @@ int rv770_mc_init(struct radeon_device *rdev)
 	/* Setup GPU memory space */
 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
-
-	if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
+	rdev->mc.visible_vram_size = rdev->mc.aper_size;
+	/* FIXME remove this once we support unmappable VRAM */
+	if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
 		rdev->mc.mc_vram_size = rdev->mc.aper_size;
-
-	if (rdev->mc.real_vram_size > rdev->mc.aper_size)
 		rdev->mc.real_vram_size = rdev->mc.aper_size;
-
-	if (rdev->flags & RADEON_IS_AGP) {
-		/* gtt_size is setup by radeon_agp_init */
-		rdev->mc.gtt_location = rdev->mc.agp_base;
-		tmp = 0xFFFFFFFFUL - rdev->mc.agp_base - rdev->mc.gtt_size;
-		/* Try to put vram before or after AGP because we
-		 * we want SYSTEM_APERTURE to cover both VRAM and
-		 * AGP so that GPU can catch out of VRAM/AGP access
-		 */
-		if (rdev->mc.gtt_location > rdev->mc.mc_vram_size) {
-			/* Enough place before */
-			rdev->mc.vram_location = rdev->mc.gtt_location -
-							rdev->mc.mc_vram_size;
-		} else if (tmp > rdev->mc.mc_vram_size) {
-			/* Enough place after */
-			rdev->mc.vram_location = rdev->mc.gtt_location +
-							rdev->mc.gtt_size;
-		} else {
-			/* Try to setup VRAM then AGP might not
-			 * not work on some card
-			 */
-			rdev->mc.vram_location = 0x00000000UL;
-			rdev->mc.gtt_location = rdev->mc.mc_vram_size;
-		}
-	} else {
-		rdev->mc.vram_location = 0x00000000UL;
-		rdev->mc.gtt_location = rdev->mc.mc_vram_size;
-		rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
 	}
-	rdev->mc.vram_start = rdev->mc.vram_location;
-	rdev->mc.vram_end = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1;
-	rdev->mc.gtt_start = rdev->mc.gtt_location;
-	rdev->mc.gtt_end = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
-	/* FIXME: we should enforce default clock in case GPU is not in
-	 * default setup
-	 */
-	a.full = rfixed_const(100);
-	rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
-	rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
+	r600_vram_gtt_location(rdev, &rdev->mc);
+	radeon_update_bandwidth_info(rdev);
+
 	return 0;
 }
+
 int rv770_gpu_reset(struct radeon_device *rdev)
 {
 	/* FIXME: implement any rv770 specific bits */
@@ -959,6 +1012,13 @@ int rv770_resume(struct radeon_device *rdev)
 		DRM_ERROR("radeon: failled testing IB (%d).\n", r);
 		return r;
 	}
+
+	r = r600_audio_init(rdev);
+	if (r) {
+		dev_err(rdev->dev, "radeon: audio init failed\n");
+		return r;
+	}
+
 	return r;
 
 }
@@ -967,6 +1027,7 @@ int rv770_suspend(struct radeon_device *rdev)
 {
 	int r;
 
+	r600_audio_fini(rdev);
 	/* FIXME: we should wait for ring to be empty */
 	r700_cp_stop(rdev);
 	rdev->cp.ready = false;
@@ -1038,6 +1099,7 @@ int rv770_init(struct radeon_device *rdev)
 	r = radeon_fence_driver_init(rdev);
 	if (r)
 		return r;
+	/* initialize AGP */
 	if (rdev->flags & RADEON_IS_AGP) {
 		r = radeon_agp_init(rdev);
 		if (r)
@@ -1089,11 +1151,19 @@ int rv770_init(struct radeon_device *rdev)
 			}
 		}
 	}
+
+	r = r600_audio_init(rdev);
+	if (r) {
+		dev_err(rdev->dev, "radeon: audio init failed\n");
+		return r;
+	}
+
 	return 0;
 }
 
 void rv770_fini(struct radeon_device *rdev)
 {
+	radeon_pm_fini(rdev);
 	r600_blit_fini(rdev);
 	r600_cp_fini(rdev);
 	r600_wb_fini(rdev);
diff --git a/drivers/gpu/drm/radeon/rv770d.h b/drivers/gpu/drm/radeon/rv770d.h
index a1367ab6f261..9506f8cb99e0 100644
--- a/drivers/gpu/drm/radeon/rv770d.h
+++ b/drivers/gpu/drm/radeon/rv770d.h
@@ -343,4 +343,6 @@
 
 #define	WAIT_UNTIL					0x8040
 
+#define	SRBM_STATUS				        0x0E50
+
 #endif
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index c7320ce4567d..dd47b2a9a791 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -128,7 +128,7 @@ static struct attribute *ttm_bo_global_attrs[] = {
 	NULL
 };
 
-static struct sysfs_ops ttm_bo_global_ops = {
+static const struct sysfs_ops ttm_bo_global_ops = {
 	.show = &ttm_bo_global_show
 };
 
@@ -1425,8 +1425,8 @@ int ttm_bo_global_init(struct ttm_global_reference *ref)
 
 	atomic_set(&glob->bo_count, 0);
 
-	kobject_init(&glob->kobj, &ttm_bo_glob_kobj_type);
-	ret = kobject_add(&glob->kobj, ttm_get_kobj(), "buffer_objects");
+	ret = kobject_init_and_add(
+		&glob->kobj, &ttm_bo_glob_kobj_type, ttm_get_kobj(), "buffer_objects");
 	if (unlikely(ret != 0))
 		kobject_put(&glob->kobj);
 	return ret;
diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
index f5245c02b8fd..c40e5f48e9a1 100644
--- a/drivers/gpu/drm/ttm/ttm_memory.c
+++ b/drivers/gpu/drm/ttm/ttm_memory.c
@@ -152,7 +152,7 @@ static struct attribute *ttm_mem_zone_attrs[] = {
 	NULL
 };
 
-static struct sysfs_ops ttm_mem_zone_ops = {
+static const struct sysfs_ops ttm_mem_zone_ops = {
 	.show = &ttm_mem_zone_show,
 	.store = &ttm_mem_zone_store
 };
@@ -260,8 +260,8 @@ static int ttm_mem_init_kernel_zone(struct ttm_mem_global *glob,
 	zone->used_mem = 0;
 	zone->glob = glob;
 	glob->zone_kernel = zone;
-	kobject_init(&zone->kobj, &ttm_mem_zone_kobj_type);
-	ret = kobject_add(&zone->kobj, &glob->kobj, zone->name);
+	ret = kobject_init_and_add(
+		&zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name);
 	if (unlikely(ret != 0)) {
 		kobject_put(&zone->kobj);
 		return ret;
@@ -296,8 +296,8 @@ static int ttm_mem_init_highmem_zone(struct ttm_mem_global *glob,
 	zone->used_mem = 0;
 	zone->glob = glob;
 	glob->zone_highmem = zone;
-	kobject_init(&zone->kobj, &ttm_mem_zone_kobj_type);
-	ret = kobject_add(&zone->kobj, &glob->kobj, zone->name);
+	ret = kobject_init_and_add(
+		&zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name);
 	if (unlikely(ret != 0)) {
 		kobject_put(&zone->kobj);
 		return ret;
@@ -343,8 +343,8 @@ static int ttm_mem_init_dma32_zone(struct ttm_mem_global *glob,
 	zone->used_mem = 0;
 	zone->glob = glob;
 	glob->zone_dma32 = zone;
-	kobject_init(&zone->kobj, &ttm_mem_zone_kobj_type);
-	ret = kobject_add(&zone->kobj, &glob->kobj, zone->name);
+	ret = kobject_init_and_add(
+		&zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name);
 	if (unlikely(ret != 0)) {
 		kobject_put(&zone->kobj);
 		return ret;
@@ -365,10 +365,8 @@ int ttm_mem_global_init(struct ttm_mem_global *glob)
 	glob->swap_queue = create_singlethread_workqueue("ttm_swap");
 	INIT_WORK(&glob->work, ttm_shrink_work);
 	init_waitqueue_head(&glob->queue);
-	kobject_init(&glob->kobj, &ttm_mem_glob_kobj_type);
-	ret = kobject_add(&glob->kobj,
-			  ttm_get_kobj(),
-			  "memory_accounting");
+	ret = kobject_init_and_add(
+		&glob->kobj, &ttm_mem_glob_kobj_type, ttm_get_kobj(), "memory_accounting");
 	if (unlikely(ret != 0)) {
 		kobject_put(&glob->kobj);
 		return ret;
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 3d47a2c12322..bab6cd8d8a1e 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -28,13 +28,13 @@
  * Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
  */
 
-#include <linux/vmalloc.h>
 #include <linux/sched.h>
 #include <linux/highmem.h>
 #include <linux/pagemap.h>
 #include <linux/file.h>
 #include <linux/swap.h>
 #include "drm_cache.h"
+#include "drm_mem_util.h"
 #include "ttm/ttm_module.h"
 #include "ttm/ttm_bo_driver.h"
 #include "ttm/ttm_placement.h"
@@ -43,32 +43,15 @@ static int ttm_tt_swapin(struct ttm_tt *ttm);
 
 /**
  * Allocates storage for pointers to the pages that back the ttm.
- *
- * Uses kmalloc if possible. Otherwise falls back to vmalloc.
  */
 static void ttm_tt_alloc_page_directory(struct ttm_tt *ttm)
 {
-	unsigned long size = ttm->num_pages * sizeof(*ttm->pages);
-	ttm->pages = NULL;
-
-	if (size <= PAGE_SIZE)
-		ttm->pages = kzalloc(size, GFP_KERNEL);
-
-	if (!ttm->pages) {
-		ttm->pages = vmalloc_user(size);
-		if (ttm->pages)
-			ttm->page_flags |= TTM_PAGE_FLAG_VMALLOC;
-	}
+	ttm->pages = drm_calloc_large(ttm->num_pages, sizeof(*ttm->pages));
 }
 
 static void ttm_tt_free_page_directory(struct ttm_tt *ttm)
 {
-	if (ttm->page_flags & TTM_PAGE_FLAG_VMALLOC) {
-		vfree(ttm->pages);
-		ttm->page_flags &= ~TTM_PAGE_FLAG_VMALLOC;
-	} else {
-		kfree(ttm->pages);
-	}
+	drm_free_large(ttm->pages);
 	ttm->pages = NULL;
 }
 
@@ -480,7 +463,7 @@ static int ttm_tt_swapin(struct ttm_tt *ttm)
 	void *from_virtual;
 	void *to_virtual;
 	int i;
-	int ret;
+	int ret = -ENOMEM;
 
 	if (ttm->page_flags & TTM_PAGE_FLAG_USER) {
 		ret = ttm_tt_set_user(ttm, ttm->tsk, ttm->start,
@@ -499,8 +482,10 @@ static int ttm_tt_swapin(struct ttm_tt *ttm)
 
 	for (i = 0; i < ttm->num_pages; ++i) {
 		from_page = read_mapping_page(swap_space, i, NULL);
-		if (IS_ERR(from_page))
+		if (IS_ERR(from_page)) {
+			ret = PTR_ERR(from_page);
 			goto out_err;
+		}
 		to_page = __ttm_tt_get_page(ttm, i);
 		if (unlikely(to_page == NULL))
 			goto out_err;
@@ -523,7 +508,7 @@ static int ttm_tt_swapin(struct ttm_tt *ttm)
 	return 0;
 out_err:
 	ttm_tt_free_alloced_pages(ttm);
-	return -ENOMEM;
+	return ret;
 }
 
 int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
@@ -535,6 +520,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
 	void *from_virtual;
 	void *to_virtual;
 	int i;
+	int ret = -ENOMEM;
 
 	BUG_ON(ttm->state != tt_unbound && ttm->state != tt_unpopulated);
 	BUG_ON(ttm->caching_state != tt_cached);
@@ -557,7 +543,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
 						0);
 		if (unlikely(IS_ERR(swap_storage))) {
 			printk(KERN_ERR "Failed allocating swap storage.\n");
-			return -ENOMEM;
+			return PTR_ERR(swap_storage);
 		}
 	} else
 		swap_storage = persistant_swap_storage;
@@ -569,9 +555,10 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistant_swap_storage)
 		if (unlikely(from_page == NULL))
 			continue;
 		to_page = read_mapping_page(swap_space, i, NULL);
-		if (unlikely(to_page == NULL))
+		if (unlikely(IS_ERR(to_page))) {
+			ret = PTR_ERR(to_page);
 			goto out_err;
-
+		}
 		preempt_disable();
 		from_virtual = kmap_atomic(from_page, KM_USER0);
 		to_virtual = kmap_atomic(to_page, KM_USER1);
@@ -595,5 +582,5 @@ out_err:
 	if (!persistant_swap_storage)
 		fput(swap_storage);
 
-	return -ENOMEM;
+	return ret;
 }
diff --git a/drivers/gpu/drm/via/via_irq.c b/drivers/gpu/drm/via/via_irq.c
index 5935b8842e86..34079f251cd4 100644
--- a/drivers/gpu/drm/via/via_irq.c
+++ b/drivers/gpu/drm/via/via_irq.c
@@ -150,7 +150,7 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS)
 		cur_irq++;
 	}
 
-	/* Acknowlege interrupts */
+	/* Acknowledge interrupts */
 	VIA_WRITE(VIA_REG_INTERRUPT, status);
 
 
@@ -165,7 +165,7 @@ static __inline__ void viadrv_acknowledge_irqs(drm_via_private_t * dev_priv)
 	u32 status;
 
 	if (dev_priv) {
-		/* Acknowlege interrupts */
+		/* Acknowledge interrupts */
 		status = VIA_READ(VIA_REG_INTERRUPT);
 		VIA_WRITE(VIA_REG_INTERRUPT, status |
 			  dev_priv->irq_pending_mask);
diff --git a/drivers/gpu/drm/vmwgfx/Kconfig b/drivers/gpu/drm/vmwgfx/Kconfig
index f20b8bcbef39..30ad13344f7b 100644
--- a/drivers/gpu/drm/vmwgfx/Kconfig
+++ b/drivers/gpu/drm/vmwgfx/Kconfig
@@ -1,6 +1,6 @@
 config DRM_VMWGFX
 	tristate "DRM driver for VMware Virtual GPU"
-	depends on DRM && PCI
+	depends on DRM && PCI && FB
 	select FB_DEFERRED_IO
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
diff --git a/drivers/gpu/vga/Kconfig b/drivers/gpu/vga/Kconfig
index 0920492cea0a..61ab4daf0bbb 100644
--- a/drivers/gpu/vga/Kconfig
+++ b/drivers/gpu/vga/Kconfig
@@ -16,3 +16,14 @@ config VGA_ARB_MAX_GPUS
 	help
 	  Reserves space in the kernel to maintain resource locking for
 	  multiple GPUS.  The overhead for each GPU is very small.
+
+config VGA_SWITCHEROO
+	bool "Laptop Hybrid Grapics - GPU switching support"
+	depends on X86
+	depends on ACPI
+	help
+	  Many laptops released in 2008/9/10 have two gpus with a multiplxer
+	  to switch between them. This adds support for dynamic switching when
+          X isn't running and delayed switching until the next logoff. This
+	  features is called hybrid graphics, ATI PowerXpress, and Nvidia
+	  HybridPower.
diff --git a/drivers/gpu/vga/Makefile b/drivers/gpu/vga/Makefile
index 7cc8c1ed645b..14ca30b75d0a 100644
--- a/drivers/gpu/vga/Makefile
+++ b/drivers/gpu/vga/Makefile
@@ -1 +1,2 @@
 obj-$(CONFIG_VGA_ARB)  += vgaarb.o
+obj-$(CONFIG_VGA_SWITCHEROO) += vga_switcheroo.o
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
new file mode 100644
index 000000000000..d6d1149d525d
--- /dev/null
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -0,0 +1,450 @@
+/*
+ * Copyright (c) 2010 Red Hat Inc.
+ * Author : Dave Airlie <airlied@redhat.com>
+ *
+ *
+ * Licensed under GPLv2
+ *
+ * vga_switcheroo.c - Support for laptop with dual GPU using one set of outputs
+
+ Switcher interface - methods require for ATPX and DCM
+ - switchto - this throws the output MUX switch
+ - discrete_set_power - sets the power state for the discrete card
+
+ GPU driver interface
+ - set_gpu_state - this should do the equiv of s/r for the card
+		  - this should *not* set the discrete power state
+ - switch_check  - check if the device is in a position to switch now
+ */
+
+#include <linux/module.h>
+#include <linux/dmi.h>
+#include <linux/seq_file.h>
+#include <linux/uaccess.h>
+#include <linux/fs.h>
+#include <linux/debugfs.h>
+#include <linux/fb.h>
+
+#include <linux/pci.h>
+#include <linux/vga_switcheroo.h>
+
+struct vga_switcheroo_client {
+	struct pci_dev *pdev;
+	struct fb_info *fb_info;
+	int pwr_state;
+	void (*set_gpu_state)(struct pci_dev *pdev, enum vga_switcheroo_state);
+	bool (*can_switch)(struct pci_dev *pdev);
+	int id;
+	bool active;
+};
+
+static DEFINE_MUTEX(vgasr_mutex);
+
+struct vgasr_priv {
+
+	bool active;
+	bool delayed_switch_active;
+	enum vga_switcheroo_client_id delayed_client_id;
+
+	struct dentry *debugfs_root;
+	struct dentry *switch_file;
+
+	int registered_clients;
+	struct vga_switcheroo_client clients[VGA_SWITCHEROO_MAX_CLIENTS];
+
+	struct vga_switcheroo_handler *handler;
+};
+
+static int vga_switcheroo_debugfs_init(struct vgasr_priv *priv);
+static void vga_switcheroo_debugfs_fini(struct vgasr_priv *priv);
+
+/* only one switcheroo per system */
+static struct vgasr_priv vgasr_priv;
+
+int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler)
+{
+	mutex_lock(&vgasr_mutex);
+	if (vgasr_priv.handler) {
+		mutex_unlock(&vgasr_mutex);
+		return -EINVAL;
+	}
+
+	vgasr_priv.handler = handler;
+	mutex_unlock(&vgasr_mutex);
+	return 0;
+}
+EXPORT_SYMBOL(vga_switcheroo_register_handler);
+
+void vga_switcheroo_unregister_handler(void)
+{
+	mutex_lock(&vgasr_mutex);
+	vgasr_priv.handler = NULL;
+	mutex_unlock(&vgasr_mutex);
+}
+EXPORT_SYMBOL(vga_switcheroo_unregister_handler);
+
+static void vga_switcheroo_enable(void)
+{
+	int i;
+	int ret;
+	/* call the handler to init */
+	vgasr_priv.handler->init();
+
+	for (i = 0; i < VGA_SWITCHEROO_MAX_CLIENTS; i++) {
+		ret = vgasr_priv.handler->get_client_id(vgasr_priv.clients[i].pdev);
+		if (ret < 0)
+			return;
+
+		vgasr_priv.clients[i].id = ret;
+	}
+	vga_switcheroo_debugfs_init(&vgasr_priv);
+	vgasr_priv.active = true;
+}
+
+int vga_switcheroo_register_client(struct pci_dev *pdev,
+				   void (*set_gpu_state)(struct pci_dev *pdev, enum vga_switcheroo_state),
+				   bool (*can_switch)(struct pci_dev *pdev))
+{
+	int index;
+
+	mutex_lock(&vgasr_mutex);
+	/* don't do IGD vs DIS here */
+	if (vgasr_priv.registered_clients & 1)
+		index = 1;
+	else
+		index = 0;
+
+	vgasr_priv.clients[index].pwr_state = VGA_SWITCHEROO_ON;
+	vgasr_priv.clients[index].pdev = pdev;
+	vgasr_priv.clients[index].set_gpu_state = set_gpu_state;
+	vgasr_priv.clients[index].can_switch = can_switch;
+	vgasr_priv.clients[index].id = -1;
+	if (pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW)
+		vgasr_priv.clients[index].active = true;
+
+	vgasr_priv.registered_clients |= (1 << index);
+
+	/* if we get two clients + handler */
+	if (vgasr_priv.registered_clients == 0x3 && vgasr_priv.handler) {
+		printk(KERN_INFO "vga_switcheroo: enabled\n");
+		vga_switcheroo_enable();
+	}
+	mutex_unlock(&vgasr_mutex);
+	return 0;
+}
+EXPORT_SYMBOL(vga_switcheroo_register_client);
+
+void vga_switcheroo_unregister_client(struct pci_dev *pdev)
+{
+	int i;
+
+	mutex_lock(&vgasr_mutex);
+	for (i = 0; i < VGA_SWITCHEROO_MAX_CLIENTS; i++) {
+		if (vgasr_priv.clients[i].pdev == pdev) {
+			vgasr_priv.registered_clients &= ~(1 << i);
+			break;
+		}
+	}
+
+	printk(KERN_INFO "vga_switcheroo: disabled\n");
+	vga_switcheroo_debugfs_fini(&vgasr_priv);
+	vgasr_priv.active = false;
+	mutex_unlock(&vgasr_mutex);
+}
+EXPORT_SYMBOL(vga_switcheroo_unregister_client);
+
+void vga_switcheroo_client_fb_set(struct pci_dev *pdev,
+				 struct fb_info *info)
+{
+	int i;
+
+	mutex_lock(&vgasr_mutex);
+	for (i = 0; i < VGA_SWITCHEROO_MAX_CLIENTS; i++) {
+		if (vgasr_priv.clients[i].pdev == pdev) {
+			vgasr_priv.clients[i].fb_info = info;
+			break;
+		}
+	}
+	mutex_unlock(&vgasr_mutex);
+}
+EXPORT_SYMBOL(vga_switcheroo_client_fb_set);
+
+static int vga_switcheroo_show(struct seq_file *m, void *v)
+{
+	int i;
+	mutex_lock(&vgasr_mutex);
+	for (i = 0; i < VGA_SWITCHEROO_MAX_CLIENTS; i++) {
+		seq_printf(m, "%d:%c:%s:%s\n", i,
+			   vgasr_priv.clients[i].active ? '+' : ' ',
+			   vgasr_priv.clients[i].pwr_state ? "Pwr" : "Off",
+			   pci_name(vgasr_priv.clients[i].pdev));
+	}
+	mutex_unlock(&vgasr_mutex);
+	return 0;
+}
+
+static int vga_switcheroo_debugfs_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, vga_switcheroo_show, NULL);
+}
+
+static int vga_switchon(struct vga_switcheroo_client *client)
+{
+	int ret;
+
+	ret = vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_ON);
+	/* call the driver callback to turn on device */
+	client->set_gpu_state(client->pdev, VGA_SWITCHEROO_ON);
+	client->pwr_state = VGA_SWITCHEROO_ON;
+	return 0;
+}
+
+static int vga_switchoff(struct vga_switcheroo_client *client)
+{
+	/* call the driver callback to turn off device */
+	client->set_gpu_state(client->pdev, VGA_SWITCHEROO_OFF);
+	vgasr_priv.handler->power_state(client->id, VGA_SWITCHEROO_OFF);
+	client->pwr_state = VGA_SWITCHEROO_OFF;
+	return 0;
+}
+
+static int vga_switchto(struct vga_switcheroo_client *new_client)
+{
+	int ret;
+	int i;
+	struct vga_switcheroo_client *active = NULL;
+
+	if (new_client->active == true)
+		return 0;
+
+	for (i = 0; i < VGA_SWITCHEROO_MAX_CLIENTS; i++) {
+		if (vgasr_priv.clients[i].active == true) {
+			active = &vgasr_priv.clients[i];
+			break;
+		}
+	}
+	if (!active)
+		return 0;
+
+	/* power up the first device */
+	ret = pci_enable_device(new_client->pdev);
+	if (ret)
+		return ret;
+
+	if (new_client->pwr_state == VGA_SWITCHEROO_OFF)
+		vga_switchon(new_client);
+
+	/* swap shadow resource to denote boot VGA device has changed so X starts on new device */
+	active->active = false;
+
+	active->pdev->resource[PCI_ROM_RESOURCE].flags &= ~IORESOURCE_ROM_SHADOW;
+	new_client->pdev->resource[PCI_ROM_RESOURCE].flags |= IORESOURCE_ROM_SHADOW;
+
+	if (new_client->fb_info) {
+		struct fb_event event;
+		event.info = new_client->fb_info;
+		fb_notifier_call_chain(FB_EVENT_REMAP_ALL_CONSOLE, &event);
+	}
+
+	ret = vgasr_priv.handler->switchto(new_client->id);
+	if (ret)
+		return ret;
+
+	if (active->pwr_state == VGA_SWITCHEROO_ON)
+		vga_switchoff(active);
+
+	new_client->active = true;
+	return 0;
+}
+
+static ssize_t
+vga_switcheroo_debugfs_write(struct file *filp, const char __user *ubuf,
+			     size_t cnt, loff_t *ppos)
+{
+	char usercmd[64];
+	const char *pdev_name;
+	int i, ret;
+	bool delay = false, can_switch;
+	int client_id = -1;
+	struct vga_switcheroo_client *client = NULL;
+
+	if (cnt > 63)
+		cnt = 63;
+
+	if (copy_from_user(usercmd, ubuf, cnt))
+		return -EFAULT;
+
+	mutex_lock(&vgasr_mutex);
+
+	if (!vgasr_priv.active)
+		return -EINVAL;
+
+	/* pwr off the device not in use */
+	if (strncmp(usercmd, "OFF", 3) == 0) {
+		for (i = 0; i < VGA_SWITCHEROO_MAX_CLIENTS; i++) {
+			if (vgasr_priv.clients[i].active)
+				continue;
+			if (vgasr_priv.clients[i].pwr_state == VGA_SWITCHEROO_ON)
+				vga_switchoff(&vgasr_priv.clients[i]);
+		}
+		goto out;
+	}
+	/* pwr on the device not in use */
+	if (strncmp(usercmd, "ON", 2) == 0) {
+		for (i = 0; i < VGA_SWITCHEROO_MAX_CLIENTS; i++) {
+			if (vgasr_priv.clients[i].active)
+				continue;
+			if (vgasr_priv.clients[i].pwr_state == VGA_SWITCHEROO_OFF)
+				vga_switchon(&vgasr_priv.clients[i]);
+		}
+		goto out;
+	}
+
+	/* request a delayed switch - test can we switch now */
+	if (strncmp(usercmd, "DIGD", 4) == 0) {
+		client_id = VGA_SWITCHEROO_IGD;
+		delay = true;
+	}
+
+	if (strncmp(usercmd, "DDIS", 4) == 0) {
+		client_id = VGA_SWITCHEROO_DIS;
+		delay = true;
+	}
+
+	if (strncmp(usercmd, "IGD", 3) == 0)
+		client_id = VGA_SWITCHEROO_IGD;
+
+	if (strncmp(usercmd, "DIS", 3) == 0)
+		client_id = VGA_SWITCHEROO_DIS;
+
+	if (client_id == -1)
+		goto out;
+
+	for (i = 0; i < VGA_SWITCHEROO_MAX_CLIENTS; i++) {
+		if (vgasr_priv.clients[i].id == client_id) {
+			client = &vgasr_priv.clients[i];
+			break;
+		}
+	}
+
+	vgasr_priv.delayed_switch_active = false;
+	/* okay we want a switch - test if devices are willing to switch */
+	can_switch = true;
+	for (i = 0; i < VGA_SWITCHEROO_MAX_CLIENTS; i++) {
+		can_switch = vgasr_priv.clients[i].can_switch(vgasr_priv.clients[i].pdev);
+		if (can_switch == false) {
+			printk(KERN_ERR "vga_switcheroo: client %d refused switch\n", i);
+			break;
+		}
+	}
+
+	if (can_switch == false && delay == false)
+		goto out;
+
+	if (can_switch == true) {
+		pdev_name = pci_name(client->pdev);
+		ret = vga_switchto(client);
+		if (ret)
+			printk(KERN_ERR "vga_switcheroo: switching failed %d\n", ret);
+	} else {
+		printk(KERN_INFO "vga_switcheroo: setting delayed switch to client %d\n", client->id);
+		vgasr_priv.delayed_switch_active = true;
+		vgasr_priv.delayed_client_id = client_id;
+
+		/* we should at least power up the card to
+		   make the switch faster */
+		if (client->pwr_state == VGA_SWITCHEROO_OFF)
+			vga_switchon(client);
+	}
+
+out:
+	mutex_unlock(&vgasr_mutex);
+	return cnt;
+}
+
+static const struct file_operations vga_switcheroo_debugfs_fops = {
+	.owner = THIS_MODULE,
+	.open = vga_switcheroo_debugfs_open,
+	.write = vga_switcheroo_debugfs_write,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+static void vga_switcheroo_debugfs_fini(struct vgasr_priv *priv)
+{
+	if (priv->switch_file) {
+		debugfs_remove(priv->switch_file);
+		priv->switch_file = NULL;
+	}
+	if (priv->debugfs_root) {
+		debugfs_remove(priv->debugfs_root);
+		priv->debugfs_root = NULL;
+	}
+}
+
+static int vga_switcheroo_debugfs_init(struct vgasr_priv *priv)
+{
+	/* already initialised */
+	if (priv->debugfs_root)
+		return 0;
+	priv->debugfs_root = debugfs_create_dir("vgaswitcheroo", NULL);
+
+	if (!priv->debugfs_root) {
+		printk(KERN_ERR "vga_switcheroo: Cannot create /sys/kernel/debug/vgaswitcheroo\n");
+		goto fail;
+	}
+
+	priv->switch_file = debugfs_create_file("switch", 0644,
+						priv->debugfs_root, NULL, &vga_switcheroo_debugfs_fops);
+	if (!priv->switch_file) {
+		printk(KERN_ERR "vga_switcheroo: cannot create /sys/kernel/debug/vgaswitcheroo/switch\n");
+		goto fail;
+	}
+	return 0;
+fail:
+	vga_switcheroo_debugfs_fini(priv);
+	return -1;
+}
+
+int vga_switcheroo_process_delayed_switch(void)
+{
+	struct vga_switcheroo_client *client = NULL;
+	const char *pdev_name;
+	bool can_switch = true;
+	int i;
+	int ret;
+	int err = -EINVAL;
+
+	mutex_lock(&vgasr_mutex);
+	if (!vgasr_priv.delayed_switch_active)
+		goto err;
+
+	printk(KERN_INFO "vga_switcheroo: processing delayed switch to %d\n", vgasr_priv.delayed_client_id);
+
+	for (i = 0; i < VGA_SWITCHEROO_MAX_CLIENTS; i++) {
+		if (vgasr_priv.clients[i].id == vgasr_priv.delayed_client_id)
+			client = &vgasr_priv.clients[i];
+		can_switch = vgasr_priv.clients[i].can_switch(vgasr_priv.clients[i].pdev);
+		if (can_switch == false) {
+			printk(KERN_ERR "vga_switcheroo: client %d refused switch\n", i);
+			break;
+		}
+	}
+
+	if (can_switch == false || client == NULL)
+		goto err;
+
+	pdev_name = pci_name(client->pdev);
+	ret = vga_switchto(client);
+	if (ret)
+		printk(KERN_ERR "vga_switcheroo: delayed switching failed %d\n", ret);
+
+	vgasr_priv.delayed_switch_active = false;
+	err = 0;
+err:
+	mutex_unlock(&vgasr_mutex);
+	return err;
+}
+EXPORT_SYMBOL(vga_switcheroo_process_delayed_switch);
+
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 368fbb0c4ca6..2e2aa759d230 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1357,6 +1357,7 @@ static const struct hid_device_id hid_blacklist[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index cd4ece6fdfb9..0c4e75573186 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -564,10 +564,10 @@ void hid_debug_event(struct hid_device *hdev, char *buf)
 	struct hid_debug_list *list;
 
 	list_for_each_entry(list, &hdev->debug_list, node) {
-		for (i = 0; i <= strlen(buf); i++)
-			list->hid_debug_buf[(list->tail + i) % (HID_DEBUG_BUFSIZE - 1)] =
+		for (i = 0; i < strlen(buf); i++)
+			list->hid_debug_buf[(list->tail + i) % HID_DEBUG_BUFSIZE] =
 				buf[i];
-		list->tail = (list->tail + i) % (HID_DEBUG_BUFSIZE - 1);
+		list->tail = (list->tail + i) % HID_DEBUG_BUFSIZE;
         }
 }
 EXPORT_SYMBOL_GPL(hid_debug_event);
diff --git a/drivers/hid/hid-gyration.c b/drivers/hid/hid-gyration.c
index cab13e8c7d29..62416e6baeca 100644
--- a/drivers/hid/hid-gyration.c
+++ b/drivers/hid/hid-gyration.c
@@ -53,10 +53,13 @@ static int gyration_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 static int gyration_event(struct hid_device *hdev, struct hid_field *field,
 		struct hid_usage *usage, __s32 value)
 {
-	struct input_dev *input = field->hidinput->input;
+
+	if (!(hdev->claimed & HID_CLAIMED_INPUT) || !field->hidinput)
+		return 0;
 
 	if ((usage->hid & HID_USAGE_PAGE) == HID_UP_GENDESK &&
 			(usage->hid & 0xff) == 0x82) {
+		struct input_dev *input = field->hidinput->input;
 		input_event(input, usage->type, usage->code, 1);
 		input_sync(input);
 		input_event(input, usage->type, usage->code, 0);
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 72c05f90553c..797e06470356 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -445,6 +445,7 @@
 
 #define USB_VENDOR_ID_UCLOGIC		0x5543
 #define USB_DEVICE_ID_UCLOGIC_TABLET_PF1209	0x0042
+#define USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U	0x0003
 
 #define USB_VENDOR_ID_VERNIER		0x08f7
 #define USB_DEVICE_ID_VERNIER_LABPRO	0x0001
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 79d9edd0bdfa..7a0d2e4661a1 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -68,22 +68,25 @@ static const struct {
 #define map_key_clear(c)	hid_map_usage_clear(hidinput, usage, &bit, \
 		&max, EV_KEY, (c))
 
-static inline int match_scancode(int code, int scancode)
+static inline int match_scancode(unsigned int code, unsigned int scancode)
 {
 	if (scancode == 0)
 		return 1;
-	return ((code & (HID_USAGE_PAGE | HID_USAGE)) == scancode);
+
+	return (code & (HID_USAGE_PAGE | HID_USAGE)) == scancode;
 }
 
-static inline int match_keycode(int code, int keycode)
+static inline int match_keycode(unsigned int code, unsigned int keycode)
 {
 	if (keycode == 0)
 		return 1;
-	return (code == keycode);
+
+	return code == keycode;
 }
 
 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
-		int scancode, int keycode)
+					   unsigned int scancode,
+					   unsigned int keycode)
 {
 	int i, j, k;
 	struct hid_report *report;
@@ -105,8 +108,8 @@ static struct hid_usage *hidinput_find_key(struct hid_device *hid,
 	return NULL;
 }
 
-static int hidinput_getkeycode(struct input_dev *dev, int scancode,
-				int *keycode)
+static int hidinput_getkeycode(struct input_dev *dev,
+			       unsigned int scancode, unsigned int *keycode)
 {
 	struct hid_device *hid = input_get_drvdata(dev);
 	struct hid_usage *usage;
@@ -119,16 +122,13 @@ static int hidinput_getkeycode(struct input_dev *dev, int scancode,
 	return -EINVAL;
 }
 
-static int hidinput_setkeycode(struct input_dev *dev, int scancode,
-				int keycode)
+static int hidinput_setkeycode(struct input_dev *dev,
+			       unsigned int scancode, unsigned int keycode)
 {
 	struct hid_device *hid = input_get_drvdata(dev);
 	struct hid_usage *usage;
 	int old_keycode;
 
-	if (keycode < 0 || keycode > KEY_MAX)
-		return -EINVAL;
-
 	usage = hidinput_find_key(hid, scancode, 0);
 	if (usage) {
 		old_keycode = usage->code;
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index 4a3a94f2b10c..c174b64c3810 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -353,7 +353,7 @@ static int magicmouse_probe(struct hid_device *hdev,
 		goto err_free;
 	}
 
-	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
+	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT & ~HID_CONNECT_HIDINPUT);
 	if (ret) {
 		dev_err(&hdev->dev, "magicmouse hw start failed\n");
 		goto err_free;
@@ -409,8 +409,11 @@ err_free:
 
 static void magicmouse_remove(struct hid_device *hdev)
 {
+	struct magicmouse_sc *msc = hid_get_drvdata(hdev);
+
 	hid_hw_stop(hdev);
-	kfree(hid_get_drvdata(hdev));
+	input_unregister_device(msc->input);
+	kfree(msc);
 }
 
 static const struct hid_device_id magic_mice[] = {
diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index 3234c729a895..edcc0c4247bb 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -140,6 +140,9 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
 			nd->reading_mt = 1;
 			nd->first_contact_confidence = 0;
 			break;
+		case HID_DG_TIPSWITCH:
+			/* Prevent emission of touch until validated */
+			return 1;
 		case HID_DG_CONFIDENCE:
 			nd->confidence = value;
 			break;
@@ -259,6 +262,7 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
 						BTN_TOOL_TRIPLETAP, 0);
 				input_report_key(input,
 						BTN_TOOL_QUADTAP, 0);
+				input_report_key(input, BTN_TOUCH, 0);
 			}
 			break;
 
@@ -308,13 +312,20 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
 
 
 	list_for_each_entry(hidinput, &hdev->inputs, list) {
+		if (hidinput->report->maxfield < 1)
+			continue;
+
 		input = hidinput->input;
 		switch (hidinput->report->field[0]->application) {
 		case HID_DG_PEN:
 			input->name = "N-Trig Pen";
 			break;
 		case HID_DG_TOUCHSCREEN:
+			/* These keys are redundant for fingers, clear them
+			 * to prevent incorrect identification */
 			__clear_bit(BTN_TOOL_PEN, input->keybit);
+			__clear_bit(BTN_TOOL_FINGER, input->keybit);
+			__clear_bit(BTN_0, input->keybit);
 			/*
 			 * A little something special to enable
 			 * two and three finger taps.
diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c
index 167ea746fb9c..c32f32c84ac8 100644
--- a/drivers/hid/hid-tmff.c
+++ b/drivers/hid/hid-tmff.c
@@ -251,6 +251,8 @@ static const struct hid_device_id tm_devices[] = {
 		.driver_data = (unsigned long)ff_rumble },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651),	/* FGT Rumble Force Wheel */
 		.driver_data = (unsigned long)ff_rumble },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653),	/* RGT Force Feedback CLUTCH Raging Wheel */
+		.driver_data = (unsigned long)ff_joystick },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654),	/* FGT Force Feedback Wheel */
 		.driver_data = (unsigned long)ff_joystick },
 	{ }
diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c
index 7844280897d1..e71e0057284e 100644
--- a/drivers/hid/usbhid/hid-quirks.c
+++ b/drivers/hid/usbhid/hid-quirks.c
@@ -60,9 +60,11 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2700, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_PRODIGE, USB_DEVICE_ID_PRODIGE_CORDLESS, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_SUN, USB_DEVICE_ID_RARITAN_KVM_DONGLE, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_KEYBOARD, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209, HID_QUIRK_MULTI_INPUT },
+	{ USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U, HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT | HID_QUIRK_SKIP_OUTPUT_REPORTS },
 	{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index 867e08433e4b..433602aed468 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -265,9 +265,10 @@ static int hiddev_release(struct inode * inode, struct file * file)
 static int hiddev_open(struct inode *inode, struct file *file)
 {
 	struct hiddev_list *list;
-	int res;
+	int res, i;
 
-	int i = iminor(inode) - HIDDEV_MINOR_BASE;
+	lock_kernel();
+	i = iminor(inode) - HIDDEV_MINOR_BASE;
 
 	if (i >= HIDDEV_MINORS || i < 0 || !hiddev_table[i])
 		return -ENODEV;
@@ -313,10 +314,12 @@ static int hiddev_open(struct inode *inode, struct file *file)
 			usbhid_open(hid);
 		}
 
+	unlock_kernel();
 	return 0;
 bail:
 	file->private_data = NULL;
 	kfree(list);
+	unlock_kernel();
 	return res;
 }
 
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 68cf87749a42..9be8e1754a0b 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -170,6 +170,16 @@ config SENSORS_ADM9240
 	  This driver can also be built as a module.  If so, the module
 	  will be called adm9240.
 
+config SENSORS_ADT7411
+	tristate "Analog Devices ADT7411"
+	depends on I2C && EXPERIMENTAL
+	help
+	  If you say yes here you get support for the Analog Devices
+	  ADT7411 voltage and temperature monitoring chip.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called adt7411.
+
 config SENSORS_ADT7462
 	tristate "Analog Devices ADT7462"
 	depends on I2C && EXPERIMENTAL
@@ -190,20 +200,6 @@ config SENSORS_ADT7470
 	  This driver can also be built as a module. If so, the module
 	  will be called adt7470.
 
-config SENSORS_ADT7473
-	tristate "Analog Devices ADT7473 (DEPRECATED)"
-	depends on I2C && EXPERIMENTAL
-	select SENSORS_ADT7475
-	help
-	  If you say yes here you get support for the Analog Devices
-	  ADT7473 temperature monitoring chips.
-
-	  This driver is deprecated, you should use the adt7475 driver
-	  instead.
-
-	  This driver can also be built as a module. If so, the module
-	  will be called adt7473.
-
 config SENSORS_ADT7475
 	tristate "Analog Devices ADT7473, ADT7475, ADT7476 and ADT7490"
 	depends on I2C && EXPERIMENTAL
@@ -216,6 +212,19 @@ config SENSORS_ADT7475
 	  This driver can also be build as a module.  If so, the module
 	  will be called adt7475.
 
+config SENSORS_ASC7621
+	tristate "Andigilog aSC7621"
+	depends on HWMON && I2C
+	help
+	  If you say yes here you get support for the aSC7621
+	  family of SMBus sensors chip found on most Intel X38, X48, X58,
+	  945, 965 and 975 desktop boards.  Currently supported chips:
+	  aSC7621
+	  aSC7621a
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called asc7621.
+
 config SENSORS_K8TEMP
 	tristate "AMD Athlon64/FX or Opteron temperature sensor"
 	depends on X86 && PCI && EXPERIMENTAL
@@ -563,9 +572,10 @@ config SENSORS_LM90
 	depends on I2C
 	help
 	  If you say yes here you get support for National Semiconductor LM90,
-	  LM86, LM89 and LM99, Analog Devices ADM1032 and ADT7461, and Maxim
+	  LM86, LM89 and LM99, Analog Devices ADM1032 and ADT7461, Maxim
 	  MAX6646, MAX6647, MAX6648, MAX6649, MAX6657, MAX6658, MAX6659,
-	  MAX6680, MAX6681 and MAX6692 sensor chips.
+	  MAX6680, MAX6681 and MAX6692, and Winbond/Nuvoton W83L771AWG/ASG
+	  sensor chips.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called lm90.
@@ -909,7 +919,8 @@ config SENSORS_W83793
 	select HWMON_VID
 	help
 	  If you say yes here you get support for the Winbond W83793
-	  hardware monitoring chip.
+	  hardware monitoring chip, including support for the integrated
+	  watchdog.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called w83793.
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index 4bc215c0953f..4aa1a3d112ad 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -29,12 +29,13 @@ obj-$(CONFIG_SENSORS_ADM1029)	+= adm1029.o
 obj-$(CONFIG_SENSORS_ADM1031)	+= adm1031.o
 obj-$(CONFIG_SENSORS_ADM9240)	+= adm9240.o
 obj-$(CONFIG_SENSORS_ADS7828)	+= ads7828.o
+obj-$(CONFIG_SENSORS_ADT7411)	+= adt7411.o
 obj-$(CONFIG_SENSORS_ADT7462)	+= adt7462.o
 obj-$(CONFIG_SENSORS_ADT7470)	+= adt7470.o
-obj-$(CONFIG_SENSORS_ADT7473)	+= adt7473.o
 obj-$(CONFIG_SENSORS_ADT7475)	+= adt7475.o
 obj-$(CONFIG_SENSORS_APPLESMC)	+= applesmc.o
 obj-$(CONFIG_SENSORS_AMS)	+= ams/
+obj-$(CONFIG_SENSORS_ASC7621)	+= asc7621.o
 obj-$(CONFIG_SENSORS_ATXP1)	+= atxp1.o
 obj-$(CONFIG_SENSORS_CORETEMP)	+= coretemp.o
 obj-$(CONFIG_SENSORS_DME1737)	+= dme1737.o
diff --git a/drivers/hwmon/adcxx.c b/drivers/hwmon/adcxx.c
index 5e9e095f1136..74d9c5195e44 100644
--- a/drivers/hwmon/adcxx.c
+++ b/drivers/hwmon/adcxx.c
@@ -62,18 +62,23 @@ static ssize_t adcxx_read(struct device *dev,
 	struct spi_device *spi = to_spi_device(dev);
 	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
 	struct adcxx *adc = dev_get_drvdata(&spi->dev);
-	u8 tx_buf[2] = { attr->index << 3 }; /* other bits are don't care */
+	u8 tx_buf[2];
 	u8 rx_buf[2];
 	int status;
-	int value;
+	u32 value;
 
 	if (mutex_lock_interruptible(&adc->lock))
 		return -ERESTARTSYS;
 
-	status = spi_write_then_read(spi, tx_buf, sizeof(tx_buf),
-					rx_buf, sizeof(rx_buf));
+	if (adc->channels == 1) {
+		status = spi_read(spi, rx_buf, sizeof(rx_buf));
+	} else {
+		tx_buf[0] = attr->index << 3; /* other bits are don't care */
+		status = spi_write_then_read(spi, tx_buf, sizeof(tx_buf),
+						rx_buf, sizeof(rx_buf));
+	}
 	if (status < 0) {
-		dev_warn(dev, "spi_write_then_read failed with status %d\n",
+		dev_warn(dev, "SPI synch. transfer failed with status %d\n",
 				status);
 		goto out;
 	}
diff --git a/drivers/hwmon/adt7411.c b/drivers/hwmon/adt7411.c
new file mode 100644
index 000000000000..3471884e42d2
--- /dev/null
+++ b/drivers/hwmon/adt7411.c
@@ -0,0 +1,366 @@
+/*
+ *  Driver for the ADT7411 (I2C/SPI 8 channel 10 bit ADC & temperature-sensor)
+ *
+ *  Copyright (C) 2008, 2010 Pengutronix
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ *  TODO: SPI, support for external temperature sensor
+ * 	  use power-down mode for suspend?, interrupt handling?
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/mutex.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+
+#define ADT7411_REG_INT_TEMP_VDD_LSB		0x03
+#define ADT7411_REG_EXT_TEMP_AIN14_LSB		0x04
+#define ADT7411_REG_VDD_MSB			0x06
+#define ADT7411_REG_INT_TEMP_MSB		0x07
+#define ADT7411_REG_EXT_TEMP_AIN1_MSB		0x08
+
+#define ADT7411_REG_CFG1			0x18
+#define ADT7411_CFG1_START_MONITOR		(1 << 0)
+
+#define ADT7411_REG_CFG2			0x19
+#define ADT7411_CFG2_DISABLE_AVG		(1 << 5)
+
+#define ADT7411_REG_CFG3			0x1a
+#define ADT7411_CFG3_ADC_CLK_225		(1 << 0)
+#define ADT7411_CFG3_REF_VDD			(1 << 4)
+
+#define ADT7411_REG_DEVICE_ID			0x4d
+#define ADT7411_REG_MANUFACTURER_ID		0x4e
+
+#define ADT7411_DEVICE_ID			0x2
+#define ADT7411_MANUFACTURER_ID			0x41
+
+static const unsigned short normal_i2c[] = { 0x48, 0x4a, 0x4b, I2C_CLIENT_END };
+
+struct adt7411_data {
+	struct mutex device_lock;	/* for "atomic" device accesses */
+	struct mutex update_lock;
+	unsigned long next_update;
+	int vref_cached;
+	struct device *hwmon_dev;
+};
+
+/*
+ * When reading a register containing (up to 4) lsb, all associated
+ * msb-registers get locked by the hardware. After _one_ of those msb is read,
+ * _all_ are unlocked. In order to use this locking correctly, reading lsb/msb
+ * is protected here with a mutex, too.
+ */
+static int adt7411_read_10_bit(struct i2c_client *client, u8 lsb_reg,
+				u8 msb_reg, u8 lsb_shift)
+{
+	struct adt7411_data *data = i2c_get_clientdata(client);
+	int val, tmp;
+
+	mutex_lock(&data->device_lock);
+
+	val = i2c_smbus_read_byte_data(client, lsb_reg);
+	if (val < 0)
+		goto exit_unlock;
+
+	tmp = (val >> lsb_shift) & 3;
+	val = i2c_smbus_read_byte_data(client, msb_reg);
+
+	if (val >= 0)
+		val = (val << 2) | tmp;
+
+ exit_unlock:
+	mutex_unlock(&data->device_lock);
+
+	return val;
+}
+
+static int adt7411_modify_bit(struct i2c_client *client, u8 reg, u8 bit,
+				bool flag)
+{
+	struct adt7411_data *data = i2c_get_clientdata(client);
+	int ret, val;
+
+	mutex_lock(&data->device_lock);
+
+	ret = i2c_smbus_read_byte_data(client, reg);
+	if (ret < 0)
+		goto exit_unlock;
+
+	if (flag)
+		val = ret | bit;
+	else
+		val = ret & ~bit;
+
+	ret = i2c_smbus_write_byte_data(client, reg, val);
+
+ exit_unlock:
+	mutex_unlock(&data->device_lock);
+	return ret;
+}
+
+static ssize_t adt7411_show_vdd(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	int ret = adt7411_read_10_bit(client, ADT7411_REG_INT_TEMP_VDD_LSB,
+			ADT7411_REG_VDD_MSB, 2);
+
+	return ret < 0 ? ret : sprintf(buf, "%u\n", ret * 7000 / 1024);
+}
+
+static ssize_t adt7411_show_temp(struct device *dev,
+			struct device_attribute *attr, char *buf)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	int val = adt7411_read_10_bit(client, ADT7411_REG_INT_TEMP_VDD_LSB,
+			ADT7411_REG_INT_TEMP_MSB, 0);
+
+	if (val < 0)
+		return val;
+
+	val = val & 0x200 ? val - 0x400 : val; /* 10 bit signed */
+
+	return sprintf(buf, "%d\n", val * 250);
+}
+
+static ssize_t adt7411_show_input(struct device *dev,
+				  struct device_attribute *attr, char *buf)
+{
+	int nr = to_sensor_dev_attr(attr)->index;
+	struct i2c_client *client = to_i2c_client(dev);
+	struct adt7411_data *data = i2c_get_clientdata(client);
+	int val;
+	u8 lsb_reg, lsb_shift;
+
+	mutex_lock(&data->update_lock);
+	if (time_after_eq(jiffies, data->next_update)) {
+		val = i2c_smbus_read_byte_data(client, ADT7411_REG_CFG3);
+		if (val < 0)
+			goto exit_unlock;
+
+		if (val & ADT7411_CFG3_REF_VDD) {
+			val = adt7411_read_10_bit(client,
+					ADT7411_REG_INT_TEMP_VDD_LSB,
+					ADT7411_REG_VDD_MSB, 2);
+			if (val < 0)
+				goto exit_unlock;
+
+			data->vref_cached = val * 7000 / 1024;
+		} else {
+			data->vref_cached = 2250;
+		}
+
+		data->next_update = jiffies + HZ;
+	}
+
+	lsb_reg = ADT7411_REG_EXT_TEMP_AIN14_LSB + (nr >> 2);
+	lsb_shift = 2 * (nr & 0x03);
+	val = adt7411_read_10_bit(client, lsb_reg,
+			ADT7411_REG_EXT_TEMP_AIN1_MSB + nr, lsb_shift);
+	if (val < 0)
+		goto exit_unlock;
+
+	val = sprintf(buf, "%u\n", val * data->vref_cached / 1024);
+ exit_unlock:
+	mutex_unlock(&data->update_lock);
+	return val;
+}
+
+static ssize_t adt7411_show_bit(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct sensor_device_attribute_2 *attr2 = to_sensor_dev_attr_2(attr);
+	struct i2c_client *client = to_i2c_client(dev);
+	int ret = i2c_smbus_read_byte_data(client, attr2->index);
+
+	return ret < 0 ? ret : sprintf(buf, "%u\n", !!(ret & attr2->nr));
+}
+
+static ssize_t adt7411_set_bit(struct device *dev,
+			       struct device_attribute *attr, const char *buf,
+			       size_t count)
+{
+	struct sensor_device_attribute_2 *s_attr2 = to_sensor_dev_attr_2(attr);
+	struct i2c_client *client = to_i2c_client(dev);
+	struct adt7411_data *data = i2c_get_clientdata(client);
+	int ret;
+	unsigned long flag;
+
+	ret = strict_strtoul(buf, 0, &flag);
+	if (ret || flag > 1)
+		return -EINVAL;
+
+	ret = adt7411_modify_bit(client, s_attr2->index, s_attr2->nr, flag);
+
+	/* force update */
+	mutex_lock(&data->update_lock);
+	data->next_update = jiffies;
+	mutex_unlock(&data->update_lock);
+
+	return ret < 0 ? ret : count;
+}
+
+#define ADT7411_BIT_ATTR(__name, __reg, __bit) \
+	SENSOR_DEVICE_ATTR_2(__name, S_IRUGO | S_IWUSR, adt7411_show_bit, \
+	adt7411_set_bit, __bit, __reg)
+
+static DEVICE_ATTR(temp1_input, S_IRUGO, adt7411_show_temp, NULL);
+static DEVICE_ATTR(in0_input, S_IRUGO, adt7411_show_vdd, NULL);
+static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, adt7411_show_input, NULL, 0);
+static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, adt7411_show_input, NULL, 1);
+static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, adt7411_show_input, NULL, 2);
+static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, adt7411_show_input, NULL, 3);
+static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, adt7411_show_input, NULL, 4);
+static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, adt7411_show_input, NULL, 5);
+static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, adt7411_show_input, NULL, 6);
+static SENSOR_DEVICE_ATTR(in8_input, S_IRUGO, adt7411_show_input, NULL, 7);
+static ADT7411_BIT_ATTR(no_average, ADT7411_REG_CFG2, ADT7411_CFG2_DISABLE_AVG);
+static ADT7411_BIT_ATTR(fast_sampling, ADT7411_REG_CFG3, ADT7411_CFG3_ADC_CLK_225);
+static ADT7411_BIT_ATTR(adc_ref_vdd, ADT7411_REG_CFG3, ADT7411_CFG3_REF_VDD);
+
+static struct attribute *adt7411_attrs[] = {
+	&dev_attr_temp1_input.attr,
+	&dev_attr_in0_input.attr,
+	&sensor_dev_attr_in1_input.dev_attr.attr,
+	&sensor_dev_attr_in2_input.dev_attr.attr,
+	&sensor_dev_attr_in3_input.dev_attr.attr,
+	&sensor_dev_attr_in4_input.dev_attr.attr,
+	&sensor_dev_attr_in5_input.dev_attr.attr,
+	&sensor_dev_attr_in6_input.dev_attr.attr,
+	&sensor_dev_attr_in7_input.dev_attr.attr,
+	&sensor_dev_attr_in8_input.dev_attr.attr,
+	&sensor_dev_attr_no_average.dev_attr.attr,
+	&sensor_dev_attr_fast_sampling.dev_attr.attr,
+	&sensor_dev_attr_adc_ref_vdd.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group adt7411_attr_grp = {
+	.attrs = adt7411_attrs,
+};
+
+static int adt7411_detect(struct i2c_client *client,
+			  struct i2c_board_info *info)
+{
+	int val;
+
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -ENODEV;
+
+	val = i2c_smbus_read_byte_data(client, ADT7411_REG_MANUFACTURER_ID);
+	if (val < 0 || val != ADT7411_MANUFACTURER_ID) {
+		dev_dbg(&client->dev, "Wrong manufacturer ID. Got %d, "
+			"expected %d\n", val, ADT7411_MANUFACTURER_ID);
+		return -ENODEV;
+	}
+
+	val = i2c_smbus_read_byte_data(client, ADT7411_REG_DEVICE_ID);
+	if (val < 0 || val != ADT7411_DEVICE_ID) {
+		dev_dbg(&client->dev, "Wrong device ID. Got %d, "
+			"expected %d\n", val, ADT7411_DEVICE_ID);
+		return -ENODEV;
+	}
+
+	strlcpy(info->type, "adt7411", I2C_NAME_SIZE);
+
+	return 0;
+}
+
+static int __devinit adt7411_probe(struct i2c_client *client,
+				   const struct i2c_device_id *id)
+{
+	struct adt7411_data *data;
+	int ret;
+
+	data = kzalloc(sizeof(*data), GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
+	i2c_set_clientdata(client, data);
+	mutex_init(&data->device_lock);
+	mutex_init(&data->update_lock);
+
+	ret = adt7411_modify_bit(client, ADT7411_REG_CFG1,
+				 ADT7411_CFG1_START_MONITOR, 1);
+	if (ret < 0)
+		goto exit_free;
+
+	/* force update on first occasion */
+	data->next_update = jiffies;
+
+	ret = sysfs_create_group(&client->dev.kobj, &adt7411_attr_grp);
+	if (ret)
+		goto exit_free;
+
+	data->hwmon_dev = hwmon_device_register(&client->dev);
+	if (IS_ERR(data->hwmon_dev)) {
+		ret = PTR_ERR(data->hwmon_dev);
+		goto exit_remove;
+	}
+
+	dev_info(&client->dev, "successfully registered\n");
+
+	return 0;
+
+ exit_remove:
+	sysfs_remove_group(&client->dev.kobj, &adt7411_attr_grp);
+ exit_free:
+	i2c_set_clientdata(client, NULL);
+	kfree(data);
+	return ret;
+}
+
+static int __devexit adt7411_remove(struct i2c_client *client)
+{
+	struct adt7411_data *data = i2c_get_clientdata(client);
+
+	hwmon_device_unregister(data->hwmon_dev);
+	sysfs_remove_group(&client->dev.kobj, &adt7411_attr_grp);
+	i2c_set_clientdata(client, NULL);
+	kfree(data);
+	return 0;
+}
+
+static const struct i2c_device_id adt7411_id[] = {
+	{ "adt7411", 0 },
+	{ }
+};
+
+static struct i2c_driver adt7411_driver = {
+	.driver		= {
+		.name		= "adt7411",
+	},
+	.probe  = adt7411_probe,
+	.remove	= __devexit_p(adt7411_remove),
+	.id_table = adt7411_id,
+	.detect = adt7411_detect,
+	.address_list = normal_i2c,
+	.class = I2C_CLASS_HWMON,
+};
+
+static int __init sensors_adt7411_init(void)
+{
+	return i2c_add_driver(&adt7411_driver);
+}
+module_init(sensors_adt7411_init)
+
+static void __exit sensors_adt7411_exit(void)
+{
+	i2c_del_driver(&adt7411_driver);
+}
+module_exit(sensors_adt7411_exit)
+
+MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de> and "
+	"Wolfram Sang <w.sang@pengutronix.de>");
+MODULE_DESCRIPTION("ADT7411 driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/hwmon/adt7473.c b/drivers/hwmon/adt7473.c
deleted file mode 100644
index 434576f61c84..000000000000
--- a/drivers/hwmon/adt7473.c
+++ /dev/null
@@ -1,1180 +0,0 @@
-/*
- * A hwmon driver for the Analog Devices ADT7473
- * Copyright (C) 2007 IBM
- *
- * Author: Darrick J. Wong <djwong@us.ibm.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include <linux/module.h>
-#include <linux/jiffies.h>
-#include <linux/i2c.h>
-#include <linux/hwmon.h>
-#include <linux/hwmon-sysfs.h>
-#include <linux/err.h>
-#include <linux/mutex.h>
-#include <linux/delay.h>
-#include <linux/log2.h>
-
-/* Addresses to scan */
-static const unsigned short normal_i2c[] = { 0x2C, 0x2D, 0x2E, I2C_CLIENT_END };
-
-/* ADT7473 registers */
-#define ADT7473_REG_BASE_ADDR			0x20
-
-#define ADT7473_REG_VOLT_BASE_ADDR		0x21
-#define ADT7473_REG_VOLT_MIN_BASE_ADDR		0x46
-
-#define ADT7473_REG_TEMP_BASE_ADDR		0x25
-#define ADT7473_REG_TEMP_LIMITS_BASE_ADDR	0x4E
-#define ADT7473_REG_TEMP_TMIN_BASE_ADDR		0x67
-#define ADT7473_REG_TEMP_TMAX_BASE_ADDR		0x6A
-
-#define ADT7473_REG_FAN_BASE_ADDR		0x28
-#define ADT7473_REG_FAN_MIN_BASE_ADDR		0x54
-
-#define ADT7473_REG_PWM_BASE_ADDR		0x30
-#define	ADT7473_REG_PWM_MIN_BASE_ADDR		0x64
-#define ADT7473_REG_PWM_MAX_BASE_ADDR		0x38
-#define ADT7473_REG_PWM_BHVR_BASE_ADDR		0x5C
-#define		ADT7473_PWM_BHVR_MASK		0xE0
-#define		ADT7473_PWM_BHVR_SHIFT		5
-
-#define ADT7473_REG_CFG1			0x40
-#define 	ADT7473_CFG1_START		0x01
-#define		ADT7473_CFG1_READY		0x04
-#define ADT7473_REG_CFG2			0x73
-#define ADT7473_REG_CFG3			0x78
-#define ADT7473_REG_CFG4			0x7D
-#define		ADT7473_CFG4_MAX_DUTY_AT_OVT	0x08
-#define ADT7473_REG_CFG5			0x7C
-#define		ADT7473_CFG5_TEMP_TWOS		0x01
-#define		ADT7473_CFG5_TEMP_OFFSET	0x02
-
-#define ADT7473_REG_DEVICE			0x3D
-#define 	ADT7473_VENDOR			0x41
-#define ADT7473_REG_VENDOR			0x3E
-#define 	ADT7473_DEVICE			0x73
-#define ADT7473_REG_REVISION			0x3F
-#define 	ADT7473_REV_68			0x68
-#define 	ADT7473_REV_69			0x69
-
-#define ADT7473_REG_ALARM1			0x41
-#define		ADT7473_VCCP_ALARM		0x02
-#define		ADT7473_VCC_ALARM		0x04
-#define		ADT7473_R1T_ALARM		0x10
-#define		ADT7473_LT_ALARM		0x20
-#define		ADT7473_R2T_ALARM		0x40
-#define		ADT7473_OOL			0x80
-#define ADT7473_REG_ALARM2			0x42
-#define		ADT7473_OVT_ALARM		0x02
-#define		ADT7473_FAN1_ALARM		0x04
-#define		ADT7473_FAN2_ALARM		0x08
-#define		ADT7473_FAN3_ALARM		0x10
-#define		ADT7473_FAN4_ALARM		0x20
-#define		ADT7473_R1T_SHORT		0x40
-#define		ADT7473_R2T_SHORT		0x80
-
-#define ALARM2(x)	((x) << 8)
-
-#define ADT7473_VOLT_COUNT	2
-#define ADT7473_REG_VOLT(x)	(ADT7473_REG_VOLT_BASE_ADDR + (x))
-#define ADT7473_REG_VOLT_MIN(x)	(ADT7473_REG_VOLT_MIN_BASE_ADDR + ((x) * 2))
-#define ADT7473_REG_VOLT_MAX(x)	(ADT7473_REG_VOLT_MIN_BASE_ADDR + \
-				((x) * 2) + 1)
-
-#define ADT7473_TEMP_COUNT	3
-#define ADT7473_REG_TEMP(x)	(ADT7473_REG_TEMP_BASE_ADDR + (x))
-#define ADT7473_REG_TEMP_MIN(x) (ADT7473_REG_TEMP_LIMITS_BASE_ADDR + ((x) * 2))
-#define ADT7473_REG_TEMP_MAX(x) (ADT7473_REG_TEMP_LIMITS_BASE_ADDR + \
-				((x) * 2) + 1)
-#define ADT7473_REG_TEMP_TMIN(x)	(ADT7473_REG_TEMP_TMIN_BASE_ADDR + (x))
-#define ADT7473_REG_TEMP_TMAX(x)	(ADT7473_REG_TEMP_TMAX_BASE_ADDR + (x))
-
-#define ADT7473_FAN_COUNT	4
-#define ADT7473_REG_FAN(x)	(ADT7473_REG_FAN_BASE_ADDR + ((x) * 2))
-#define ADT7473_REG_FAN_MIN(x)	(ADT7473_REG_FAN_MIN_BASE_ADDR + ((x) * 2))
-
-#define ADT7473_PWM_COUNT	3
-#define ADT7473_REG_PWM(x)	(ADT7473_REG_PWM_BASE_ADDR + (x))
-#define ADT7473_REG_PWM_MAX(x)	(ADT7473_REG_PWM_MAX_BASE_ADDR + (x))
-#define ADT7473_REG_PWM_MIN(x)	(ADT7473_REG_PWM_MIN_BASE_ADDR + (x))
-#define ADT7473_REG_PWM_BHVR(x)	(ADT7473_REG_PWM_BHVR_BASE_ADDR + (x))
-
-/* How often do we reread sensors values? (In jiffies) */
-#define SENSOR_REFRESH_INTERVAL	(2 * HZ)
-
-/* How often do we reread sensor limit values? (In jiffies) */
-#define LIMIT_REFRESH_INTERVAL	(60 * HZ)
-
-/* datasheet says to divide this number by the fan reading to get fan rpm */
-#define FAN_PERIOD_TO_RPM(x)	((90000 * 60) / (x))
-#define FAN_RPM_TO_PERIOD	FAN_PERIOD_TO_RPM
-#define FAN_PERIOD_INVALID	65535
-#define FAN_DATA_VALID(x)	((x) && (x) != FAN_PERIOD_INVALID)
-
-struct adt7473_data {
-	struct device		*hwmon_dev;
-	struct attribute_group	attrs;
-	struct mutex		lock;
-	char			sensors_valid;
-	char			limits_valid;
-	unsigned long		sensors_last_updated;	/* In jiffies */
-	unsigned long		limits_last_updated;	/* In jiffies */
-
-	u8			volt[ADT7473_VOLT_COUNT];
-	s8			volt_min[ADT7473_VOLT_COUNT];
-	s8			volt_max[ADT7473_VOLT_COUNT];
-
-	s8			temp[ADT7473_TEMP_COUNT];
-	s8			temp_min[ADT7473_TEMP_COUNT];
-	s8			temp_max[ADT7473_TEMP_COUNT];
-	s8			temp_tmin[ADT7473_TEMP_COUNT];
-	/* This is called the !THERM limit in the datasheet */
-	s8			temp_tmax[ADT7473_TEMP_COUNT];
-
-	u16			fan[ADT7473_FAN_COUNT];
-	u16			fan_min[ADT7473_FAN_COUNT];
-
-	u8			pwm[ADT7473_PWM_COUNT];
-	u8			pwm_max[ADT7473_PWM_COUNT];
-	u8			pwm_min[ADT7473_PWM_COUNT];
-	u8			pwm_behavior[ADT7473_PWM_COUNT];
-
-	u8			temp_twos_complement;
-	u8			temp_offset;
-
-	u16			alarm;
-	u8			max_duty_at_overheat;
-};
-
-static int adt7473_probe(struct i2c_client *client,
-			 const struct i2c_device_id *id);
-static int adt7473_detect(struct i2c_client *client,
-			  struct i2c_board_info *info);
-static int adt7473_remove(struct i2c_client *client);
-
-static const struct i2c_device_id adt7473_id[] = {
-	{ "adt7473", 0 },
-	{ }
-};
-
-static struct i2c_driver adt7473_driver = {
-	.class		= I2C_CLASS_HWMON,
-	.driver = {
-		.name	= "adt7473",
-	},
-	.probe		= adt7473_probe,
-	.remove		= adt7473_remove,
-	.id_table	= adt7473_id,
-	.detect		= adt7473_detect,
-	.address_list	= normal_i2c,
-};
-
-/*
- * 16-bit registers on the ADT7473 are low-byte first.  The data sheet says
- * that the low byte must be read before the high byte.
- */
-static inline int adt7473_read_word_data(struct i2c_client *client, u8 reg)
-{
-	u16 foo;
-	foo = i2c_smbus_read_byte_data(client, reg);
-	foo |= ((u16)i2c_smbus_read_byte_data(client, reg + 1) << 8);
-	return foo;
-}
-
-static inline int adt7473_write_word_data(struct i2c_client *client, u8 reg,
-					  u16 value)
-{
-	return i2c_smbus_write_byte_data(client, reg, value & 0xFF)
-	       && i2c_smbus_write_byte_data(client, reg + 1, value >> 8);
-}
-
-static void adt7473_init_client(struct i2c_client *client)
-{
-	int reg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG1);
-
-	if (!(reg & ADT7473_CFG1_READY)) {
-		dev_err(&client->dev, "Chip not ready.\n");
-	} else {
-		/* start monitoring */
-		i2c_smbus_write_byte_data(client, ADT7473_REG_CFG1,
-					  reg | ADT7473_CFG1_START);
-	}
-}
-
-static struct adt7473_data *adt7473_update_device(struct device *dev)
-{
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	unsigned long local_jiffies = jiffies;
-	u8 cfg;
-	int i;
-
-	mutex_lock(&data->lock);
-	if (time_before(local_jiffies, data->sensors_last_updated +
-		SENSOR_REFRESH_INTERVAL)
-		&& data->sensors_valid)
-		goto no_sensor_update;
-
-	for (i = 0; i < ADT7473_VOLT_COUNT; i++)
-		data->volt[i] = i2c_smbus_read_byte_data(client,
-						ADT7473_REG_VOLT(i));
-
-	/* Determine temperature encoding */
-	cfg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG5);
-	data->temp_twos_complement = (cfg & ADT7473_CFG5_TEMP_TWOS);
-
-	/*
-	 * What does this do? it implies a variable temperature sensor
-	 * offset, but the datasheet doesn't say anything about this bit
-	 * and other parts of the datasheet imply that "offset64" mode
-	 * means that you shift temp values by -64 if the above bit was set.
-	 */
-	data->temp_offset = (cfg & ADT7473_CFG5_TEMP_OFFSET);
-
-	for (i = 0; i < ADT7473_TEMP_COUNT; i++)
-		data->temp[i] = i2c_smbus_read_byte_data(client,
-							 ADT7473_REG_TEMP(i));
-
-	for (i = 0; i < ADT7473_FAN_COUNT; i++)
-		data->fan[i] = adt7473_read_word_data(client,
-						ADT7473_REG_FAN(i));
-
-	for (i = 0; i < ADT7473_PWM_COUNT; i++)
-		data->pwm[i] = i2c_smbus_read_byte_data(client,
-						ADT7473_REG_PWM(i));
-
-	data->alarm = i2c_smbus_read_byte_data(client, ADT7473_REG_ALARM1);
-	if (data->alarm & ADT7473_OOL)
-		data->alarm |= ALARM2(i2c_smbus_read_byte_data(client,
-							 ADT7473_REG_ALARM2));
-
-	data->sensors_last_updated = local_jiffies;
-	data->sensors_valid = 1;
-
-no_sensor_update:
-	if (time_before(local_jiffies, data->limits_last_updated +
-		LIMIT_REFRESH_INTERVAL)
-		&& data->limits_valid)
-		goto out;
-
-	for (i = 0; i < ADT7473_VOLT_COUNT; i++) {
-		data->volt_min[i] = i2c_smbus_read_byte_data(client,
-						ADT7473_REG_VOLT_MIN(i));
-		data->volt_max[i] = i2c_smbus_read_byte_data(client,
-						ADT7473_REG_VOLT_MAX(i));
-	}
-
-	for (i = 0; i < ADT7473_TEMP_COUNT; i++) {
-		data->temp_min[i] = i2c_smbus_read_byte_data(client,
-						ADT7473_REG_TEMP_MIN(i));
-		data->temp_max[i] = i2c_smbus_read_byte_data(client,
-						ADT7473_REG_TEMP_MAX(i));
-		data->temp_tmin[i] = i2c_smbus_read_byte_data(client,
-						ADT7473_REG_TEMP_TMIN(i));
-		data->temp_tmax[i] = i2c_smbus_read_byte_data(client,
-						ADT7473_REG_TEMP_TMAX(i));
-	}
-
-	for (i = 0; i < ADT7473_FAN_COUNT; i++)
-		data->fan_min[i] = adt7473_read_word_data(client,
-						ADT7473_REG_FAN_MIN(i));
-
-	for (i = 0; i < ADT7473_PWM_COUNT; i++) {
-		data->pwm_max[i] = i2c_smbus_read_byte_data(client,
-						ADT7473_REG_PWM_MAX(i));
-		data->pwm_min[i] = i2c_smbus_read_byte_data(client,
-						ADT7473_REG_PWM_MIN(i));
-		data->pwm_behavior[i] = i2c_smbus_read_byte_data(client,
-						ADT7473_REG_PWM_BHVR(i));
-	}
-
-	i = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG4);
-	data->max_duty_at_overheat = !!(i & ADT7473_CFG4_MAX_DUTY_AT_OVT);
-
-	data->limits_last_updated = local_jiffies;
-	data->limits_valid = 1;
-
-out:
-	mutex_unlock(&data->lock);
-	return data;
-}
-
-/*
- * Conversions
- */
-
-/* IN are scaled acording to built-in resistors */
-static const int adt7473_scaling[] = {  /* .001 Volts */
-	2250, 3300
-};
-#define SCALE(val, from, to)	(((val) * (to) + ((from) / 2)) / (from))
-
-static int decode_volt(int volt_index, u8 raw)
-{
-	return SCALE(raw, 192, adt7473_scaling[volt_index]);
-}
-
-static u8 encode_volt(int volt_index, int cooked)
-{
-	int raw = SCALE(cooked, adt7473_scaling[volt_index], 192);
-	return SENSORS_LIMIT(raw, 0, 255);
-}
-
-static ssize_t show_volt_min(struct device *dev,
-			     struct device_attribute *devattr,
-			     char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-	return sprintf(buf, "%d\n",
-		       decode_volt(attr->index, data->volt_min[attr->index]));
-}
-
-static ssize_t set_volt_min(struct device *dev,
-			    struct device_attribute *devattr,
-			    const char *buf,
-			    size_t count)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	long volt;
-
-	if (strict_strtol(buf, 10, &volt))
-		return -EINVAL;
-
-	volt = encode_volt(attr->index, volt);
-
-	mutex_lock(&data->lock);
-	data->volt_min[attr->index] = volt;
-	i2c_smbus_write_byte_data(client, ADT7473_REG_VOLT_MIN(attr->index),
-				  volt);
-	mutex_unlock(&data->lock);
-
-	return count;
-}
-
-static ssize_t show_volt_max(struct device *dev,
-			     struct device_attribute *devattr,
-			     char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-	return sprintf(buf, "%d\n",
-		       decode_volt(attr->index, data->volt_max[attr->index]));
-}
-
-static ssize_t set_volt_max(struct device *dev,
-			    struct device_attribute *devattr,
-			    const char *buf,
-			    size_t count)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	long volt;
-
-	if (strict_strtol(buf, 10, &volt))
-		return -EINVAL;
-
-	volt = encode_volt(attr->index, volt);
-
-	mutex_lock(&data->lock);
-	data->volt_max[attr->index] = volt;
-	i2c_smbus_write_byte_data(client, ADT7473_REG_VOLT_MAX(attr->index),
-				  volt);
-	mutex_unlock(&data->lock);
-
-	return count;
-}
-
-static ssize_t show_volt(struct device *dev, struct device_attribute *devattr,
-			 char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-
-	return sprintf(buf, "%d\n",
-		       decode_volt(attr->index, data->volt[attr->index]));
-}
-
-/*
- * This chip can report temperature data either as a two's complement
- * number in the range -128 to 127, or as an unsigned number that must
- * be offset by 64.
- */
-static int decode_temp(u8 twos_complement, u8 raw)
-{
-	return twos_complement ? (s8)raw : raw - 64;
-}
-
-static u8 encode_temp(u8 twos_complement, int cooked)
-{
-	u8 ret = twos_complement ? cooked & 0xFF : cooked + 64;
-	return SENSORS_LIMIT(ret, 0, 255);
-}
-
-static ssize_t show_temp_min(struct device *dev,
-			     struct device_attribute *devattr,
-			     char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-	return sprintf(buf, "%d\n", 1000 * decode_temp(
-						data->temp_twos_complement,
-						data->temp_min[attr->index]));
-}
-
-static ssize_t set_temp_min(struct device *dev,
-			    struct device_attribute *devattr,
-			    const char *buf,
-			    size_t count)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	long temp;
-
-	if (strict_strtol(buf, 10, &temp))
-		return -EINVAL;
-
-	temp = DIV_ROUND_CLOSEST(temp, 1000);
-	temp = encode_temp(data->temp_twos_complement, temp);
-
-	mutex_lock(&data->lock);
-	data->temp_min[attr->index] = temp;
-	i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_MIN(attr->index),
-				  temp);
-	mutex_unlock(&data->lock);
-
-	return count;
-}
-
-static ssize_t show_temp_max(struct device *dev,
-			     struct device_attribute *devattr,
-			     char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-	return sprintf(buf, "%d\n", 1000 * decode_temp(
-						data->temp_twos_complement,
-						data->temp_max[attr->index]));
-}
-
-static ssize_t set_temp_max(struct device *dev,
-			    struct device_attribute *devattr,
-			    const char *buf,
-			    size_t count)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	long temp;
-
-	if (strict_strtol(buf, 10, &temp))
-		return -EINVAL;
-
-	temp = DIV_ROUND_CLOSEST(temp, 1000);
-	temp = encode_temp(data->temp_twos_complement, temp);
-
-	mutex_lock(&data->lock);
-	data->temp_max[attr->index] = temp;
-	i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_MAX(attr->index),
-				  temp);
-	mutex_unlock(&data->lock);
-
-	return count;
-}
-
-static ssize_t show_temp(struct device *dev, struct device_attribute *devattr,
-			 char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-	return sprintf(buf, "%d\n", 1000 * decode_temp(
-						data->temp_twos_complement,
-						data->temp[attr->index]));
-}
-
-static ssize_t show_fan_min(struct device *dev,
-			    struct device_attribute *devattr,
-			    char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-
-	if (FAN_DATA_VALID(data->fan_min[attr->index]))
-		return sprintf(buf, "%d\n",
-			       FAN_PERIOD_TO_RPM(data->fan_min[attr->index]));
-	else
-		return sprintf(buf, "0\n");
-}
-
-static ssize_t set_fan_min(struct device *dev,
-			   struct device_attribute *devattr,
-			   const char *buf, size_t count)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	long temp;
-
-	if (strict_strtol(buf, 10, &temp) || !temp)
-		return -EINVAL;
-
-	temp = FAN_RPM_TO_PERIOD(temp);
-	temp = SENSORS_LIMIT(temp, 1, 65534);
-
-	mutex_lock(&data->lock);
-	data->fan_min[attr->index] = temp;
-	adt7473_write_word_data(client, ADT7473_REG_FAN_MIN(attr->index), temp);
-	mutex_unlock(&data->lock);
-
-	return count;
-}
-
-static ssize_t show_fan(struct device *dev, struct device_attribute *devattr,
-			char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-
-	if (FAN_DATA_VALID(data->fan[attr->index]))
-		return sprintf(buf, "%d\n",
-			       FAN_PERIOD_TO_RPM(data->fan[attr->index]));
-	else
-		return sprintf(buf, "0\n");
-}
-
-static ssize_t show_max_duty_at_crit(struct device *dev,
-				     struct device_attribute *devattr,
-				     char *buf)
-{
-	struct adt7473_data *data = adt7473_update_device(dev);
-	return sprintf(buf, "%d\n", data->max_duty_at_overheat);
-}
-
-static ssize_t set_max_duty_at_crit(struct device *dev,
-				    struct device_attribute *devattr,
-				    const char *buf,
-				    size_t count)
-{
-	u8 reg;
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	long temp;
-
-	if (strict_strtol(buf, 10, &temp))
-		return -EINVAL;
-
-	mutex_lock(&data->lock);
-	data->max_duty_at_overheat = !!temp;
-	reg = i2c_smbus_read_byte_data(client, ADT7473_REG_CFG4);
-	if (temp)
-		reg |= ADT7473_CFG4_MAX_DUTY_AT_OVT;
-	else
-		reg &= ~ADT7473_CFG4_MAX_DUTY_AT_OVT;
-	i2c_smbus_write_byte_data(client, ADT7473_REG_CFG4, reg);
-	mutex_unlock(&data->lock);
-
-	return count;
-}
-
-static ssize_t show_pwm(struct device *dev, struct device_attribute *devattr,
-			char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-	return sprintf(buf, "%d\n", data->pwm[attr->index]);
-}
-
-static ssize_t set_pwm(struct device *dev, struct device_attribute *devattr,
-			const char *buf, size_t count)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	long temp;
-
-	if (strict_strtol(buf, 10, &temp))
-		return -EINVAL;
-
-	temp = SENSORS_LIMIT(temp, 0, 255);
-
-	mutex_lock(&data->lock);
-	data->pwm[attr->index] = temp;
-	i2c_smbus_write_byte_data(client, ADT7473_REG_PWM(attr->index), temp);
-	mutex_unlock(&data->lock);
-
-	return count;
-}
-
-static ssize_t show_pwm_max(struct device *dev,
-			    struct device_attribute *devattr,
-			    char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-	return sprintf(buf, "%d\n", data->pwm_max[attr->index]);
-}
-
-static ssize_t set_pwm_max(struct device *dev,
-			   struct device_attribute *devattr,
-			   const char *buf,
-			   size_t count)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	long temp;
-
-	if (strict_strtol(buf, 10, &temp))
-		return -EINVAL;
-
-	temp = SENSORS_LIMIT(temp, 0, 255);
-
-	mutex_lock(&data->lock);
-	data->pwm_max[attr->index] = temp;
-	i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_MAX(attr->index),
-				  temp);
-	mutex_unlock(&data->lock);
-
-	return count;
-}
-
-static ssize_t show_pwm_min(struct device *dev,
-			    struct device_attribute *devattr,
-			    char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-	return sprintf(buf, "%d\n", data->pwm_min[attr->index]);
-}
-
-static ssize_t set_pwm_min(struct device *dev,
-			   struct device_attribute *devattr,
-			   const char *buf,
-			   size_t count)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	long temp;
-
-	if (strict_strtol(buf, 10, &temp))
-		return -EINVAL;
-
-	temp = SENSORS_LIMIT(temp, 0, 255);
-
-	mutex_lock(&data->lock);
-	data->pwm_min[attr->index] = temp;
-	i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_MIN(attr->index),
-				  temp);
-	mutex_unlock(&data->lock);
-
-	return count;
-}
-
-static ssize_t show_temp_tmax(struct device *dev,
-			      struct device_attribute *devattr,
-			      char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-	return sprintf(buf, "%d\n", 1000 * decode_temp(
-						data->temp_twos_complement,
-						data->temp_tmax[attr->index]));
-}
-
-static ssize_t set_temp_tmax(struct device *dev,
-			     struct device_attribute *devattr,
-			     const char *buf,
-			     size_t count)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	long temp;
-
-	if (strict_strtol(buf, 10, &temp))
-		return -EINVAL;
-
-	temp = DIV_ROUND_CLOSEST(temp, 1000);
-	temp = encode_temp(data->temp_twos_complement, temp);
-
-	mutex_lock(&data->lock);
-	data->temp_tmax[attr->index] = temp;
-	i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_TMAX(attr->index),
-				  temp);
-	mutex_unlock(&data->lock);
-
-	return count;
-}
-
-static ssize_t show_temp_tmin(struct device *dev,
-			      struct device_attribute *devattr,
-			      char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-	return sprintf(buf, "%d\n", 1000 * decode_temp(
-						data->temp_twos_complement,
-						data->temp_tmin[attr->index]));
-}
-
-static ssize_t set_temp_tmin(struct device *dev,
-			     struct device_attribute *devattr,
-			     const char *buf,
-			     size_t count)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	long temp;
-
-	if (strict_strtol(buf, 10, &temp))
-		return -EINVAL;
-
-	temp = DIV_ROUND_CLOSEST(temp, 1000);
-	temp = encode_temp(data->temp_twos_complement, temp);
-
-	mutex_lock(&data->lock);
-	data->temp_tmin[attr->index] = temp;
-	i2c_smbus_write_byte_data(client, ADT7473_REG_TEMP_TMIN(attr->index),
-				  temp);
-	mutex_unlock(&data->lock);
-
-	return count;
-}
-
-static ssize_t show_pwm_enable(struct device *dev,
-			       struct device_attribute *devattr,
-			       char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-
-	switch (data->pwm_behavior[attr->index] >> ADT7473_PWM_BHVR_SHIFT) {
-	case 3:
-		return sprintf(buf, "0\n");
-	case 7:
-		return sprintf(buf, "1\n");
-	default:
-		return sprintf(buf, "2\n");
-	}
-}
-
-static ssize_t set_pwm_enable(struct device *dev,
-			      struct device_attribute *devattr,
-			      const char *buf,
-			      size_t count)
-{
-	u8 reg;
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	long temp;
-
-	if (strict_strtol(buf, 10, &temp))
-		return -EINVAL;
-
-	switch (temp) {
-	case 0:
-		temp = 3;
-		break;
-	case 1:
-		temp = 7;
-		break;
-	case 2:
-		/* Enter automatic mode with fans off */
-		temp = 4;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	mutex_lock(&data->lock);
-	reg = i2c_smbus_read_byte_data(client,
-				       ADT7473_REG_PWM_BHVR(attr->index));
-	reg = (temp << ADT7473_PWM_BHVR_SHIFT) |
-	      (reg & ~ADT7473_PWM_BHVR_MASK);
-	i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_BHVR(attr->index),
-				  reg);
-	data->pwm_behavior[attr->index] = reg;
-	mutex_unlock(&data->lock);
-
-	return count;
-}
-
-static ssize_t show_pwm_auto_temp(struct device *dev,
-				  struct device_attribute *devattr,
-				  char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-	int bhvr = data->pwm_behavior[attr->index] >> ADT7473_PWM_BHVR_SHIFT;
-
-	switch (bhvr) {
-	case 3:
-	case 4:
-	case 7:
-		return sprintf(buf, "0\n");
-	case 0:
-	case 1:
-	case 5:
-	case 6:
-		return sprintf(buf, "%d\n", bhvr + 1);
-	case 2:
-		return sprintf(buf, "4\n");
-	}
-	/* shouldn't ever get here */
-	BUG();
-}
-
-static ssize_t set_pwm_auto_temp(struct device *dev,
-				 struct device_attribute *devattr,
-				 const char *buf,
-				 size_t count)
-{
-	u8 reg;
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct i2c_client *client = to_i2c_client(dev);
-	struct adt7473_data *data = i2c_get_clientdata(client);
-	long temp;
-
-	if (strict_strtol(buf, 10, &temp))
-		return -EINVAL;
-
-	switch (temp) {
-	case 1:
-	case 2:
-	case 6:
-	case 7:
-		temp--;
-		break;
-	case 0:
-		temp = 4;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	mutex_lock(&data->lock);
-	reg = i2c_smbus_read_byte_data(client,
-				       ADT7473_REG_PWM_BHVR(attr->index));
-	reg = (temp << ADT7473_PWM_BHVR_SHIFT) |
-	      (reg & ~ADT7473_PWM_BHVR_MASK);
-	i2c_smbus_write_byte_data(client, ADT7473_REG_PWM_BHVR(attr->index),
-				  reg);
-	data->pwm_behavior[attr->index] = reg;
-	mutex_unlock(&data->lock);
-
-	return count;
-}
-
-static ssize_t show_alarm(struct device *dev,
-			  struct device_attribute *devattr,
-			  char *buf)
-{
-	struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
-	struct adt7473_data *data = adt7473_update_device(dev);
-
-	if (data->alarm & attr->index)
-		return sprintf(buf, "1\n");
-	else
-		return sprintf(buf, "0\n");
-}
-
-
-static SENSOR_DEVICE_ATTR(in1_max, S_IWUSR | S_IRUGO, show_volt_max,
-			  set_volt_max, 0);
-static SENSOR_DEVICE_ATTR(in2_max, S_IWUSR | S_IRUGO, show_volt_max,
-			  set_volt_max, 1);
-
-static SENSOR_DEVICE_ATTR(in1_min, S_IWUSR | S_IRUGO, show_volt_min,
-			  set_volt_min, 0);
-static SENSOR_DEVICE_ATTR(in2_min, S_IWUSR | S_IRUGO, show_volt_min,
-			  set_volt_min, 1);
-
-static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_volt, NULL, 0);
-static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_volt, NULL, 1);
-
-static SENSOR_DEVICE_ATTR(in1_alarm, S_IRUGO, show_alarm, NULL,
-			  ADT7473_VCCP_ALARM);
-static SENSOR_DEVICE_ATTR(in2_alarm, S_IRUGO, show_alarm, NULL,
-			  ADT7473_VCC_ALARM);
-
-static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp_max,
-			  set_temp_max, 0);
-static SENSOR_DEVICE_ATTR(temp2_max, S_IWUSR | S_IRUGO, show_temp_max,
-			  set_temp_max, 1);
-static SENSOR_DEVICE_ATTR(temp3_max, S_IWUSR | S_IRUGO, show_temp_max,
-			  set_temp_max, 2);
-
-static SENSOR_DEVICE_ATTR(temp1_min, S_IWUSR | S_IRUGO, show_temp_min,
-			  set_temp_min, 0);
-static SENSOR_DEVICE_ATTR(temp2_min, S_IWUSR | S_IRUGO, show_temp_min,
-			  set_temp_min, 1);
-static SENSOR_DEVICE_ATTR(temp3_min, S_IWUSR | S_IRUGO, show_temp_min,
-			  set_temp_min, 2);
-
-static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0);
-static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1);
-static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2);
-
-static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL,
-			  ADT7473_R1T_ALARM | ALARM2(ADT7473_R1T_SHORT));
-static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL,
-			  ADT7473_LT_ALARM);
-static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL,
-			  ADT7473_R2T_ALARM | ALARM2(ADT7473_R2T_SHORT));
-
-static SENSOR_DEVICE_ATTR(fan1_min, S_IWUSR | S_IRUGO, show_fan_min,
-			  set_fan_min, 0);
-static SENSOR_DEVICE_ATTR(fan2_min, S_IWUSR | S_IRUGO, show_fan_min,
-			  set_fan_min, 1);
-static SENSOR_DEVICE_ATTR(fan3_min, S_IWUSR | S_IRUGO, show_fan_min,
-			  set_fan_min, 2);
-static SENSOR_DEVICE_ATTR(fan4_min, S_IWUSR | S_IRUGO, show_fan_min,
-			  set_fan_min, 3);
-
-static SENSOR_DEVICE_ATTR(fan1_input, S_IRUGO, show_fan, NULL, 0);
-static SENSOR_DEVICE_ATTR(fan2_input, S_IRUGO, show_fan, NULL, 1);
-static SENSOR_DEVICE_ATTR(fan3_input, S_IRUGO, show_fan, NULL, 2);
-static SENSOR_DEVICE_ATTR(fan4_input, S_IRUGO, show_fan, NULL, 3);
-
-static SENSOR_DEVICE_ATTR(fan1_alarm, S_IRUGO, show_alarm, NULL,
-			  ALARM2(ADT7473_FAN1_ALARM));
-static SENSOR_DEVICE_ATTR(fan2_alarm, S_IRUGO, show_alarm, NULL,
-			  ALARM2(ADT7473_FAN2_ALARM));
-static SENSOR_DEVICE_ATTR(fan3_alarm, S_IRUGO, show_alarm, NULL,
-			  ALARM2(ADT7473_FAN3_ALARM));
-static SENSOR_DEVICE_ATTR(fan4_alarm, S_IRUGO, show_alarm, NULL,
-			  ALARM2(ADT7473_FAN4_ALARM));
-
-static SENSOR_DEVICE_ATTR(pwm_use_point2_pwm_at_crit, S_IWUSR | S_IRUGO,
-			  show_max_duty_at_crit, set_max_duty_at_crit, 0);
-
-static SENSOR_DEVICE_ATTR(pwm1, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 0);
-static SENSOR_DEVICE_ATTR(pwm2, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 1);
-static SENSOR_DEVICE_ATTR(pwm3, S_IWUSR | S_IRUGO, show_pwm, set_pwm, 2);
-
-static SENSOR_DEVICE_ATTR(pwm1_auto_point1_pwm, S_IWUSR | S_IRUGO,
-			  show_pwm_min, set_pwm_min, 0);
-static SENSOR_DEVICE_ATTR(pwm2_auto_point1_pwm, S_IWUSR | S_IRUGO,
-			  show_pwm_min, set_pwm_min, 1);
-static SENSOR_DEVICE_ATTR(pwm3_auto_point1_pwm, S_IWUSR | S_IRUGO,
-			  show_pwm_min, set_pwm_min, 2);
-
-static SENSOR_DEVICE_ATTR(pwm1_auto_point2_pwm, S_IWUSR | S_IRUGO,
-			  show_pwm_max, set_pwm_max, 0);
-static SENSOR_DEVICE_ATTR(pwm2_auto_point2_pwm, S_IWUSR | S_IRUGO,
-			  show_pwm_max, set_pwm_max, 1);
-static SENSOR_DEVICE_ATTR(pwm3_auto_point2_pwm, S_IWUSR | S_IRUGO,
-			  show_pwm_max, set_pwm_max, 2);
-
-static SENSOR_DEVICE_ATTR(temp1_auto_point1_temp, S_IWUSR | S_IRUGO,
-			  show_temp_tmin, set_temp_tmin, 0);
-static SENSOR_DEVICE_ATTR(temp2_auto_point1_temp, S_IWUSR | S_IRUGO,
-			  show_temp_tmin, set_temp_tmin, 1);
-static SENSOR_DEVICE_ATTR(temp3_auto_point1_temp, S_IWUSR | S_IRUGO,
-			  show_temp_tmin, set_temp_tmin, 2);
-
-static SENSOR_DEVICE_ATTR(temp1_auto_point2_temp, S_IWUSR | S_IRUGO,
-			  show_temp_tmax, set_temp_tmax, 0);
-static SENSOR_DEVICE_ATTR(temp2_auto_point2_temp, S_IWUSR | S_IRUGO,
-			  show_temp_tmax, set_temp_tmax, 1);
-static SENSOR_DEVICE_ATTR(temp3_auto_point2_temp, S_IWUSR | S_IRUGO,
-			  show_temp_tmax, set_temp_tmax, 2);
-
-static SENSOR_DEVICE_ATTR(pwm1_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
-			  set_pwm_enable, 0);
-static SENSOR_DEVICE_ATTR(pwm2_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
-			  set_pwm_enable, 1);
-static SENSOR_DEVICE_ATTR(pwm3_enable, S_IWUSR | S_IRUGO, show_pwm_enable,
-			  set_pwm_enable, 2);
-
-static SENSOR_DEVICE_ATTR(pwm1_auto_channels_temp, S_IWUSR | S_IRUGO,
-			  show_pwm_auto_temp, set_pwm_auto_temp, 0);
-static SENSOR_DEVICE_ATTR(pwm2_auto_channels_temp, S_IWUSR | S_IRUGO,
-			  show_pwm_auto_temp, set_pwm_auto_temp, 1);
-static SENSOR_DEVICE_ATTR(pwm3_auto_channels_temp, S_IWUSR | S_IRUGO,
-			  show_pwm_auto_temp, set_pwm_auto_temp, 2);
-
-static struct attribute *adt7473_attr[] =
-{
-	&sensor_dev_attr_in1_max.dev_attr.attr,
-	&sensor_dev_attr_in2_max.dev_attr.attr,
-	&sensor_dev_attr_in1_min.dev_attr.attr,
-	&sensor_dev_attr_in2_min.dev_attr.attr,
-	&sensor_dev_attr_in1_input.dev_attr.attr,
-	&sensor_dev_attr_in2_input.dev_attr.attr,
-	&sensor_dev_attr_in1_alarm.dev_attr.attr,
-	&sensor_dev_attr_in2_alarm.dev_attr.attr,
-
-	&sensor_dev_attr_temp1_max.dev_attr.attr,
-	&sensor_dev_attr_temp2_max.dev_attr.attr,
-	&sensor_dev_attr_temp3_max.dev_attr.attr,
-	&sensor_dev_attr_temp1_min.dev_attr.attr,
-	&sensor_dev_attr_temp2_min.dev_attr.attr,
-	&sensor_dev_attr_temp3_min.dev_attr.attr,
-	&sensor_dev_attr_temp1_input.dev_attr.attr,
-	&sensor_dev_attr_temp2_input.dev_attr.attr,
-	&sensor_dev_attr_temp3_input.dev_attr.attr,
-	&sensor_dev_attr_temp1_alarm.dev_attr.attr,
-	&sensor_dev_attr_temp2_alarm.dev_attr.attr,
-	&sensor_dev_attr_temp3_alarm.dev_attr.attr,
-	&sensor_dev_attr_temp1_auto_point1_temp.dev_attr.attr,
-	&sensor_dev_attr_temp2_auto_point1_temp.dev_attr.attr,
-	&sensor_dev_attr_temp3_auto_point1_temp.dev_attr.attr,
-	&sensor_dev_attr_temp1_auto_point2_temp.dev_attr.attr,
-	&sensor_dev_attr_temp2_auto_point2_temp.dev_attr.attr,
-	&sensor_dev_attr_temp3_auto_point2_temp.dev_attr.attr,
-
-	&sensor_dev_attr_fan1_min.dev_attr.attr,
-	&sensor_dev_attr_fan2_min.dev_attr.attr,
-	&sensor_dev_attr_fan3_min.dev_attr.attr,
-	&sensor_dev_attr_fan4_min.dev_attr.attr,
-	&sensor_dev_attr_fan1_input.dev_attr.attr,
-	&sensor_dev_attr_fan2_input.dev_attr.attr,
-	&sensor_dev_attr_fan3_input.dev_attr.attr,
-	&sensor_dev_attr_fan4_input.dev_attr.attr,
-	&sensor_dev_attr_fan1_alarm.dev_attr.attr,
-	&sensor_dev_attr_fan2_alarm.dev_attr.attr,
-	&sensor_dev_attr_fan3_alarm.dev_attr.attr,
-	&sensor_dev_attr_fan4_alarm.dev_attr.attr,
-
-	&sensor_dev_attr_pwm_use_point2_pwm_at_crit.dev_attr.attr,
-
-	&sensor_dev_attr_pwm1.dev_attr.attr,
-	&sensor_dev_attr_pwm2.dev_attr.attr,
-	&sensor_dev_attr_pwm3.dev_attr.attr,
-	&sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
-	&sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
-	&sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr,
-	&sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
-	&sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
-	&sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr,
-
-	&sensor_dev_attr_pwm1_enable.dev_attr.attr,
-	&sensor_dev_attr_pwm2_enable.dev_attr.attr,
-	&sensor_dev_attr_pwm3_enable.dev_attr.attr,
-	&sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr,
-	&sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr,
-	&sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr,
-
-	NULL
-};
-
-/* Return 0 if detection is successful, -ENODEV otherwise */
-static int adt7473_detect(struct i2c_client *client,
-			  struct i2c_board_info *info)
-{
-	struct i2c_adapter *adapter = client->adapter;
-	int vendor, device, revision;
-
-	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
-		return -ENODEV;
-
-	vendor = i2c_smbus_read_byte_data(client, ADT7473_REG_VENDOR);
-	if (vendor != ADT7473_VENDOR)
-		return -ENODEV;
-
-	device = i2c_smbus_read_byte_data(client, ADT7473_REG_DEVICE);
-	if (device != ADT7473_DEVICE)
-		return -ENODEV;
-
-	revision = i2c_smbus_read_byte_data(client, ADT7473_REG_REVISION);
-	if (revision != ADT7473_REV_68 && revision != ADT7473_REV_69)
-		return -ENODEV;
-
-	strlcpy(info->type, "adt7473", I2C_NAME_SIZE);
-
-	return 0;
-}
-
-static int adt7473_probe(struct i2c_client *client,
-			 const struct i2c_device_id *id)
-{
-	struct adt7473_data *data;
-	int err;
-
-	data = kzalloc(sizeof(struct adt7473_data), GFP_KERNEL);
-	if (!data) {
-		err = -ENOMEM;
-		goto exit;
-	}
-
-	i2c_set_clientdata(client, data);
-	mutex_init(&data->lock);
-
-	dev_info(&client->dev, "%s chip found\n", client->name);
-
-	/* Initialize the ADT7473 chip */
-	adt7473_init_client(client);
-
-	/* Register sysfs hooks */
-	data->attrs.attrs = adt7473_attr;
-	err = sysfs_create_group(&client->dev.kobj, &data->attrs);
-	if (err)
-		goto exit_free;
-
-	data->hwmon_dev = hwmon_device_register(&client->dev);
-	if (IS_ERR(data->hwmon_dev)) {
-		err = PTR_ERR(data->hwmon_dev);
-		goto exit_remove;
-	}
-
-	return 0;
-
-exit_remove:
-	sysfs_remove_group(&client->dev.kobj, &data->attrs);
-exit_free:
-	kfree(data);
-exit:
-	return err;
-}
-
-static int adt7473_remove(struct i2c_client *client)
-{
-	struct adt7473_data *data = i2c_get_clientdata(client);
-
-	hwmon_device_unregister(data->hwmon_dev);
-	sysfs_remove_group(&client->dev.kobj, &data->attrs);
-	kfree(data);
-	return 0;
-}
-
-static int __init adt7473_init(void)
-{
-	pr_notice("The adt7473 driver is deprecated, please use the adt7475 "
-		  "driver instead\n");
-	return i2c_add_driver(&adt7473_driver);
-}
-
-static void __exit adt7473_exit(void)
-{
-	i2c_del_driver(&adt7473_driver);
-}
-
-MODULE_AUTHOR("Darrick J. Wong <djwong@us.ibm.com>");
-MODULE_DESCRIPTION("ADT7473 driver");
-MODULE_LICENSE("GPL");
-
-module_init(adt7473_init);
-module_exit(adt7473_exit);
diff --git a/drivers/hwmon/asc7621.c b/drivers/hwmon/asc7621.c
new file mode 100644
index 000000000000..7f948105d8ad
--- /dev/null
+++ b/drivers/hwmon/asc7621.c
@@ -0,0 +1,1255 @@
+/*
+ * asc7621.c - Part of lm_sensors, Linux kernel modules for hardware monitoring
+ * Copyright (c) 2007, 2010 George Joseph  <george.joseph@fairview5.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/jiffies.h>
+#include <linux/i2c.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/err.h>
+#include <linux/mutex.h>
+
+/* Addresses to scan */
+static unsigned short normal_i2c[] = {
+	0x2c, 0x2d, 0x2e, I2C_CLIENT_END
+};
+
+enum asc7621_type {
+	asc7621,
+	asc7621a
+};
+
+#define INTERVAL_HIGH   (HZ + HZ / 2)
+#define INTERVAL_LOW    (1 * 60 * HZ)
+#define PRI_NONE        0
+#define PRI_LOW         1
+#define PRI_HIGH        2
+#define FIRST_CHIP      asc7621
+#define LAST_CHIP       asc7621a
+
+struct asc7621_chip {
+	char *name;
+	enum asc7621_type chip_type;
+	u8 company_reg;
+	u8 company_id;
+	u8 verstep_reg;
+	u8 verstep_id;
+	unsigned short *addresses;
+};
+
+static struct asc7621_chip asc7621_chips[] = {
+	{
+		.name = "asc7621",
+		.chip_type = asc7621,
+		.company_reg = 0x3e,
+		.company_id = 0x61,
+		.verstep_reg = 0x3f,
+		.verstep_id = 0x6c,
+		.addresses = normal_i2c,
+	 },
+	{
+		.name = "asc7621a",
+		.chip_type = asc7621a,
+		.company_reg = 0x3e,
+		.company_id = 0x61,
+		.verstep_reg = 0x3f,
+		.verstep_id = 0x6d,
+		.addresses = normal_i2c,
+	 },
+};
+
+/*
+ * Defines the highest register to be used, not the count.
+ * The actual count will probably be smaller because of gaps
+ * in the implementation (unused register locations).
+ * This define will safely set the array size of both the parameter
+ * and data arrays.
+ * This comes from the data sheet register description table.
+ */
+#define LAST_REGISTER 0xff
+
+struct asc7621_data {
+	struct i2c_client client;
+	struct device *class_dev;
+	struct mutex update_lock;
+	int valid;		/* !=0 if following fields are valid */
+	unsigned long last_high_reading;	/* In jiffies */
+	unsigned long last_low_reading;		/* In jiffies */
+	/*
+	 * Registers we care about occupy the corresponding index
+	 * in the array.  Registers we don't care about are left
+	 * at 0.
+	 */
+	u8 reg[LAST_REGISTER + 1];
+};
+
+/*
+ * Macro to get the parent asc7621_param structure
+ * from a sensor_device_attribute passed into the
+ * show/store functions.
+ */
+#define to_asc7621_param(_sda) \
+	container_of(_sda, struct asc7621_param, sda)
+
+/*
+ * Each parameter to be retrieved needs an asc7621_param structure
+ * allocated.  It contains the sensor_device_attribute structure
+ * and the control info needed to retrieve the value from the register map.
+ */
+struct asc7621_param {
+	struct sensor_device_attribute sda;
+	u8 priority;
+	u8 msb[3];
+	u8 lsb[3];
+	u8 mask[3];
+	u8 shift[3];
+};
+
+/*
+ * This is the map that ultimately indicates whether we'll be
+ * retrieving a register value or not, and at what frequency.
+ */
+static u8 asc7621_register_priorities[255];
+
+static struct asc7621_data *asc7621_update_device(struct device *dev);
+
+static inline u8 read_byte(struct i2c_client *client, u8 reg)
+{
+	int res = i2c_smbus_read_byte_data(client, reg);
+	if (res < 0) {
+		dev_err(&client->dev,
+			"Unable to read from register 0x%02x.\n", reg);
+		return 0;
+	};
+	return res & 0xff;
+}
+
+static inline int write_byte(struct i2c_client *client, u8 reg, u8 data)
+{
+	int res = i2c_smbus_write_byte_data(client, reg, data);
+	if (res < 0) {
+		dev_err(&client->dev,
+			"Unable to write value 0x%02x to register 0x%02x.\n",
+			data, reg);
+	};
+	return res;
+}
+
+/*
+ * Data Handlers
+ * Each function handles the formatting, storage
+ * and retrieval of like parameters.
+ */
+
+#define SETUP_SHOW_data_param(d, a) \
+	struct sensor_device_attribute *sda = to_sensor_dev_attr(a); \
+	struct asc7621_data *data = asc7621_update_device(d); \
+	struct asc7621_param *param = to_asc7621_param(sda)
+
+#define SETUP_STORE_data_param(d, a) \
+	struct sensor_device_attribute *sda = to_sensor_dev_attr(a); \
+	struct i2c_client *client = to_i2c_client(d); \
+	struct asc7621_data *data = i2c_get_clientdata(client); \
+	struct asc7621_param *param = to_asc7621_param(sda)
+
+/*
+ * u8 is just what it sounds like...an unsigned byte with no
+ * special formatting.
+ */
+static ssize_t show_u8(struct device *dev, struct device_attribute *attr,
+		       char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+
+	return sprintf(buf, "%u\n", data->reg[param->msb[0]]);
+}
+
+static ssize_t store_u8(struct device *dev, struct device_attribute *attr,
+			const char *buf, size_t count)
+{
+	SETUP_STORE_data_param(dev, attr);
+	long reqval;
+
+	if (strict_strtol(buf, 10, &reqval))
+		return -EINVAL;
+
+	reqval = SENSORS_LIMIT(reqval, 0, 255);
+
+	mutex_lock(&data->update_lock);
+	data->reg[param->msb[0]] = reqval;
+	write_byte(client, param->msb[0], reqval);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+/*
+ * Many of the config values occupy only a few bits of a register.
+ */
+static ssize_t show_bitmask(struct device *dev,
+			    struct device_attribute *attr, char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+
+	return sprintf(buf, "%u\n",
+		       (data->reg[param->msb[0]] >> param->
+			shift[0]) & param->mask[0]);
+}
+
+static ssize_t store_bitmask(struct device *dev,
+			     struct device_attribute *attr,
+			     const char *buf, size_t count)
+{
+	SETUP_STORE_data_param(dev, attr);
+	long reqval;
+	u8 currval;
+
+	if (strict_strtol(buf, 10, &reqval))
+		return -EINVAL;
+
+	reqval = SENSORS_LIMIT(reqval, 0, param->mask[0]);
+
+	reqval = (reqval & param->mask[0]) << param->shift[0];
+
+	mutex_lock(&data->update_lock);
+	currval = read_byte(client, param->msb[0]);
+	reqval |= (currval & ~(param->mask[0] << param->shift[0]));
+	data->reg[param->msb[0]] = reqval;
+	write_byte(client, param->msb[0], reqval);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+/*
+ * 16 bit fan rpm values
+ * reported by the device as the number of 11.111us periods (90khz)
+ * between full fan rotations.  Therefore...
+ * RPM = (90000 * 60) / register value
+ */
+static ssize_t show_fan16(struct device *dev,
+			  struct device_attribute *attr, char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+	u16 regval;
+
+	mutex_lock(&data->update_lock);
+	regval = (data->reg[param->msb[0]] << 8) | data->reg[param->lsb[0]];
+	mutex_unlock(&data->update_lock);
+
+	return sprintf(buf, "%u\n",
+		       (regval == 0 ? -1 : (regval) ==
+			0xffff ? 0 : 5400000 / regval));
+}
+
+static ssize_t store_fan16(struct device *dev,
+			   struct device_attribute *attr, const char *buf,
+			   size_t count)
+{
+	SETUP_STORE_data_param(dev, attr);
+	long reqval;
+
+	if (strict_strtol(buf, 10, &reqval))
+		return -EINVAL;
+
+	reqval =
+	    (SENSORS_LIMIT((reqval) <= 0 ? 0 : 5400000 / (reqval), 0, 65534));
+
+	mutex_lock(&data->update_lock);
+	data->reg[param->msb[0]] = (reqval >> 8) & 0xff;
+	data->reg[param->lsb[0]] = reqval & 0xff;
+	write_byte(client, param->msb[0], data->reg[param->msb[0]]);
+	write_byte(client, param->lsb[0], data->reg[param->lsb[0]]);
+	mutex_unlock(&data->update_lock);
+
+	return count;
+}
+
+/*
+ * Voltages are scaled in the device so that the nominal voltage
+ * is 3/4ths of the 0-255 range (i.e. 192).
+ * If all voltages are 'normal' then all voltage registers will
+ * read 0xC0.  This doesn't help us if we don't have a point of refernce.
+ * The data sheet however provides us with the full scale value for each
+ * which is stored in in_scaling.  The sda->index parameter value provides
+ * the index into in_scaling.
+ *
+ * NOTE: The chip expects the first 2 inputs be 2.5 and 2.25 volts
+ * respectively. That doesn't mean that's what the motherboard provides. :)
+ */
+
+static int asc7621_in_scaling[] = {
+	3320, 3000, 4380, 6640, 16000
+};
+
+static ssize_t show_in10(struct device *dev, struct device_attribute *attr,
+			 char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+	u16 regval;
+	u8 nr = sda->index;
+
+	mutex_lock(&data->update_lock);
+	regval = (data->reg[param->msb[0]] * asc7621_in_scaling[nr]) / 256;
+
+	/* The LSB value is a 2-bit scaling of the MSB's LSbit value.
+	 * I.E.  If the maximim voltage for this input is 6640 millivolts then
+	 * a MSB register value of 0 = 0mv and 255 = 6640mv.
+	 * A 1 step change therefore represents 25.9mv (6640 / 256).
+	 * The extra 2-bits therefore represent increments of 6.48mv.
+	 */
+	regval += ((asc7621_in_scaling[nr] / 256) / 4) *
+	    (data->reg[param->lsb[0]] >> 6);
+
+	mutex_unlock(&data->update_lock);
+
+	return sprintf(buf, "%u\n", regval);
+}
+
+/* 8 bit voltage values (the mins and maxs) */
+static ssize_t show_in8(struct device *dev, struct device_attribute *attr,
+			char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+	u8 nr = sda->index;
+
+	return sprintf(buf, "%u\n",
+		       ((data->reg[param->msb[0]] *
+			 asc7621_in_scaling[nr]) / 256));
+}
+
+static ssize_t store_in8(struct device *dev, struct device_attribute *attr,
+			 const char *buf, size_t count)
+{
+	SETUP_STORE_data_param(dev, attr);
+	long reqval;
+	u8 nr = sda->index;
+
+	if (strict_strtol(buf, 10, &reqval))
+		return -EINVAL;
+
+	reqval = SENSORS_LIMIT(reqval, 0, asc7621_in_scaling[nr]);
+
+	reqval = (reqval * 255 + 128) / asc7621_in_scaling[nr];
+
+	mutex_lock(&data->update_lock);
+	data->reg[param->msb[0]] = reqval;
+	write_byte(client, param->msb[0], reqval);
+	mutex_unlock(&data->update_lock);
+
+	return count;
+}
+
+static ssize_t show_temp8(struct device *dev,
+			  struct device_attribute *attr, char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+
+	return sprintf(buf, "%d\n", ((s8) data->reg[param->msb[0]]) * 1000);
+}
+
+static ssize_t store_temp8(struct device *dev,
+			   struct device_attribute *attr, const char *buf,
+			   size_t count)
+{
+	SETUP_STORE_data_param(dev, attr);
+	long reqval;
+	s8 temp;
+
+	if (strict_strtol(buf, 10, &reqval))
+		return -EINVAL;
+
+	reqval = SENSORS_LIMIT(reqval, -127000, 127000);
+
+	temp = reqval / 1000;
+
+	mutex_lock(&data->update_lock);
+	data->reg[param->msb[0]] = temp;
+	write_byte(client, param->msb[0], temp);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+/*
+ * Temperatures that occupy 2 bytes always have the whole
+ * number of degrees in the MSB with some part of the LSB
+ * indicating fractional degrees.
+ */
+
+/*   mmmmmmmm.llxxxxxx */
+static ssize_t show_temp10(struct device *dev,
+			   struct device_attribute *attr, char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+	u8 msb, lsb;
+	int temp;
+
+	mutex_lock(&data->update_lock);
+	msb = data->reg[param->msb[0]];
+	lsb = (data->reg[param->lsb[0]] >> 6) & 0x03;
+	temp = (((s8) msb) * 1000) + (lsb * 250);
+	mutex_unlock(&data->update_lock);
+
+	return sprintf(buf, "%d\n", temp);
+}
+
+/*   mmmmmm.ll */
+static ssize_t show_temp62(struct device *dev,
+			   struct device_attribute *attr, char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+	u8 regval = data->reg[param->msb[0]];
+	int temp = ((s8) (regval & 0xfc) * 1000) + ((regval & 0x03) * 250);
+
+	return sprintf(buf, "%d\n", temp);
+}
+
+static ssize_t store_temp62(struct device *dev,
+			    struct device_attribute *attr, const char *buf,
+			    size_t count)
+{
+	SETUP_STORE_data_param(dev, attr);
+	long reqval, i, f;
+	s8 temp;
+
+	if (strict_strtol(buf, 10, &reqval))
+		return -EINVAL;
+
+	reqval = SENSORS_LIMIT(reqval, -32000, 31750);
+	i = reqval / 1000;
+	f = reqval - (i * 1000);
+	temp = i << 2;
+	temp |= f / 250;
+
+	mutex_lock(&data->update_lock);
+	data->reg[param->msb[0]] = temp;
+	write_byte(client, param->msb[0], temp);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+/*
+ * The aSC7621 doesn't provide an "auto_point2".  Instead, you
+ * specify the auto_point1 and a range.  To keep with the sysfs
+ * hwmon specs, we synthesize the auto_point_2 from them.
+ */
+
+static u32 asc7621_range_map[] = {
+	2000, 2500, 3330, 4000, 5000, 6670, 8000, 10000,
+	13330, 16000, 20000, 26670, 32000, 40000, 53330, 80000,
+};
+
+static ssize_t show_ap2_temp(struct device *dev,
+			     struct device_attribute *attr, char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+	long auto_point1;
+	u8 regval;
+	int temp;
+
+	mutex_lock(&data->update_lock);
+	auto_point1 = ((s8) data->reg[param->msb[1]]) * 1000;
+	regval =
+	    ((data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0]);
+	temp = auto_point1 + asc7621_range_map[SENSORS_LIMIT(regval, 0, 15)];
+	mutex_unlock(&data->update_lock);
+
+	return sprintf(buf, "%d\n", temp);
+
+}
+
+static ssize_t store_ap2_temp(struct device *dev,
+			      struct device_attribute *attr,
+			      const char *buf, size_t count)
+{
+	SETUP_STORE_data_param(dev, attr);
+	long reqval, auto_point1;
+	int i;
+	u8 currval, newval = 0;
+
+	if (strict_strtol(buf, 10, &reqval))
+		return -EINVAL;
+
+	mutex_lock(&data->update_lock);
+	auto_point1 = data->reg[param->msb[1]] * 1000;
+	reqval = SENSORS_LIMIT(reqval, auto_point1 + 2000, auto_point1 + 80000);
+
+	for (i = ARRAY_SIZE(asc7621_range_map) - 1; i >= 0; i--) {
+		if (reqval >= auto_point1 + asc7621_range_map[i]) {
+			newval = i;
+			break;
+		}
+	}
+
+	newval = (newval & param->mask[0]) << param->shift[0];
+	currval = read_byte(client, param->msb[0]);
+	newval |= (currval & ~(param->mask[0] << param->shift[0]));
+	data->reg[param->msb[0]] = newval;
+	write_byte(client, param->msb[0], newval);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+static ssize_t show_pwm_ac(struct device *dev,
+			   struct device_attribute *attr, char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+	u8 config, altbit, regval;
+	u8 map[] = {
+		0x01, 0x02, 0x04, 0x1f, 0x00, 0x06, 0x07, 0x10,
+		0x08, 0x0f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f
+	};
+
+	mutex_lock(&data->update_lock);
+	config = (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0];
+	altbit = (data->reg[param->msb[1]] >> param->shift[1]) & param->mask[1];
+	regval = config | (altbit << 3);
+	mutex_unlock(&data->update_lock);
+
+	return sprintf(buf, "%u\n", map[SENSORS_LIMIT(regval, 0, 15)]);
+}
+
+static ssize_t store_pwm_ac(struct device *dev,
+			    struct device_attribute *attr,
+			    const char *buf, size_t count)
+{
+	SETUP_STORE_data_param(dev, attr);
+	unsigned long reqval;
+	u8 currval, config, altbit, newval;
+	u16 map[] = {
+		0x04, 0x00, 0x01, 0xff, 0x02, 0xff, 0x05, 0x06,
+		0x08, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0f,
+		0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+		0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x03,
+	};
+
+	if (strict_strtoul(buf, 10, &reqval))
+		return -EINVAL;
+
+	if (reqval > 31)
+		return -EINVAL;
+
+	reqval = map[reqval];
+	if (reqval == 0xff)
+		return -EINVAL;
+
+	config = reqval & 0x07;
+	altbit = (reqval >> 3) & 0x01;
+
+	config = (config & param->mask[0]) << param->shift[0];
+	altbit = (altbit & param->mask[1]) << param->shift[1];
+
+	mutex_lock(&data->update_lock);
+	currval = read_byte(client, param->msb[0]);
+	newval = config | (currval & ~(param->mask[0] << param->shift[0]));
+	newval = altbit | (newval & ~(param->mask[1] << param->shift[1]));
+	data->reg[param->msb[0]] = newval;
+	write_byte(client, param->msb[0], newval);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+static ssize_t show_pwm_enable(struct device *dev,
+			       struct device_attribute *attr, char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+	u8 config, altbit, minoff, val, newval;
+
+	mutex_lock(&data->update_lock);
+	config = (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0];
+	altbit = (data->reg[param->msb[1]] >> param->shift[1]) & param->mask[1];
+	minoff = (data->reg[param->msb[2]] >> param->shift[2]) & param->mask[2];
+	mutex_unlock(&data->update_lock);
+
+	val = config | (altbit << 3);
+	newval = 0;
+
+	if (val == 3 || val >= 10)
+		newval = 255;
+	else if (val == 4)
+		newval = 0;
+	else if (val == 7)
+		newval = 1;
+	else if (minoff == 1)
+		newval = 2;
+	else
+		newval = 3;
+
+	return sprintf(buf, "%u\n", newval);
+}
+
+static ssize_t store_pwm_enable(struct device *dev,
+				struct device_attribute *attr,
+				const char *buf, size_t count)
+{
+	SETUP_STORE_data_param(dev, attr);
+	long reqval;
+	u8 currval, config, altbit, newval, minoff = 255;
+
+	if (strict_strtol(buf, 10, &reqval))
+		return -EINVAL;
+
+	switch (reqval) {
+	case 0:
+		newval = 0x04;
+		break;
+	case 1:
+		newval = 0x07;
+		break;
+	case 2:
+		newval = 0x00;
+		minoff = 1;
+		break;
+	case 3:
+		newval = 0x00;
+		minoff = 0;
+		break;
+	case 255:
+		newval = 0x03;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	config = newval & 0x07;
+	altbit = (newval >> 3) & 0x01;
+
+	mutex_lock(&data->update_lock);
+	config = (config & param->mask[0]) << param->shift[0];
+	altbit = (altbit & param->mask[1]) << param->shift[1];
+	currval = read_byte(client, param->msb[0]);
+	newval = config | (currval & ~(param->mask[0] << param->shift[0]));
+	newval = altbit | (newval & ~(param->mask[1] << param->shift[1]));
+	data->reg[param->msb[0]] = newval;
+	write_byte(client, param->msb[0], newval);
+	if (minoff < 255) {
+		minoff = (minoff & param->mask[2]) << param->shift[2];
+		currval = read_byte(client, param->msb[2]);
+		newval =
+		    minoff | (currval & ~(param->mask[2] << param->shift[2]));
+		data->reg[param->msb[2]] = newval;
+		write_byte(client, param->msb[2], newval);
+	}
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+static u32 asc7621_pwm_freq_map[] = {
+	10, 15, 23, 30, 38, 47, 62, 94,
+	23000, 24000, 25000, 26000, 27000, 28000, 29000, 30000
+};
+
+static ssize_t show_pwm_freq(struct device *dev,
+			     struct device_attribute *attr, char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+	u8 regval =
+	    (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0];
+
+	regval = SENSORS_LIMIT(regval, 0, 15);
+
+	return sprintf(buf, "%u\n", asc7621_pwm_freq_map[regval]);
+}
+
+static ssize_t store_pwm_freq(struct device *dev,
+			      struct device_attribute *attr,
+			      const char *buf, size_t count)
+{
+	SETUP_STORE_data_param(dev, attr);
+	unsigned long reqval;
+	u8 currval, newval = 255;
+	int i;
+
+	if (strict_strtoul(buf, 10, &reqval))
+		return -EINVAL;
+
+	for (i = 0; i < ARRAY_SIZE(asc7621_pwm_freq_map); i++) {
+		if (reqval == asc7621_pwm_freq_map[i]) {
+			newval = i;
+			break;
+		}
+	}
+	if (newval == 255)
+		return -EINVAL;
+
+	newval = (newval & param->mask[0]) << param->shift[0];
+
+	mutex_lock(&data->update_lock);
+	currval = read_byte(client, param->msb[0]);
+	newval |= (currval & ~(param->mask[0] << param->shift[0]));
+	data->reg[param->msb[0]] = newval;
+	write_byte(client, param->msb[0], newval);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+static u32 asc7621_pwm_auto_spinup_map[] =  {
+	0, 100, 250, 400, 700, 1000, 2000, 4000
+};
+
+static ssize_t show_pwm_ast(struct device *dev,
+			    struct device_attribute *attr, char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+	u8 regval =
+	    (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0];
+
+	regval = SENSORS_LIMIT(regval, 0, 7);
+
+	return sprintf(buf, "%u\n", asc7621_pwm_auto_spinup_map[regval]);
+
+}
+
+static ssize_t store_pwm_ast(struct device *dev,
+			     struct device_attribute *attr,
+			     const char *buf, size_t count)
+{
+	SETUP_STORE_data_param(dev, attr);
+	long reqval;
+	u8 currval, newval = 255;
+	u32 i;
+
+	if (strict_strtol(buf, 10, &reqval))
+		return -EINVAL;
+
+	for (i = 0; i < ARRAY_SIZE(asc7621_pwm_auto_spinup_map); i++) {
+		if (reqval == asc7621_pwm_auto_spinup_map[i]) {
+			newval = i;
+			break;
+		}
+	}
+	if (newval == 255)
+		return -EINVAL;
+
+	newval = (newval & param->mask[0]) << param->shift[0];
+
+	mutex_lock(&data->update_lock);
+	currval = read_byte(client, param->msb[0]);
+	newval |= (currval & ~(param->mask[0] << param->shift[0]));
+	data->reg[param->msb[0]] = newval;
+	write_byte(client, param->msb[0], newval);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+static u32 asc7621_temp_smoothing_time_map[] = {
+	35000, 17600, 11800, 7000, 4400, 3000, 1600, 800
+};
+
+static ssize_t show_temp_st(struct device *dev,
+			    struct device_attribute *attr, char *buf)
+{
+	SETUP_SHOW_data_param(dev, attr);
+	u8 regval =
+	    (data->reg[param->msb[0]] >> param->shift[0]) & param->mask[0];
+	regval = SENSORS_LIMIT(regval, 0, 7);
+
+	return sprintf(buf, "%u\n", asc7621_temp_smoothing_time_map[regval]);
+}
+
+static ssize_t store_temp_st(struct device *dev,
+			     struct device_attribute *attr,
+			     const char *buf, size_t count)
+{
+	SETUP_STORE_data_param(dev, attr);
+	long reqval;
+	u8 currval, newval = 255;
+	u32 i;
+
+	if (strict_strtol(buf, 10, &reqval))
+		return -EINVAL;
+
+	for (i = 0; i < ARRAY_SIZE(asc7621_temp_smoothing_time_map); i++) {
+		if (reqval == asc7621_temp_smoothing_time_map[i]) {
+			newval = i;
+			break;
+		}
+	}
+
+	if (newval == 255)
+		return -EINVAL;
+
+	newval = (newval & param->mask[0]) << param->shift[0];
+
+	mutex_lock(&data->update_lock);
+	currval = read_byte(client, param->msb[0]);
+	newval |= (currval & ~(param->mask[0] << param->shift[0]));
+	data->reg[param->msb[0]] = newval;
+	write_byte(client, param->msb[0], newval);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+/*
+ * End of data handlers
+ *
+ * These defines do nothing more than make the table easier
+ * to read when wrapped at column 80.
+ */
+
+/*
+ * Creates a variable length array inititalizer.
+ * VAA(1,3,5,7) would produce {1,3,5,7}
+ */
+#define VAA(args...) {args}
+
+#define PREAD(name, n, pri, rm, rl, m, s, r) \
+	{.sda = SENSOR_ATTR(name, S_IRUGO, show_##r, NULL, n), \
+	  .priority = pri, .msb[0] = rm, .lsb[0] = rl, .mask[0] = m, \
+	  .shift[0] = s,}
+
+#define PWRITE(name, n, pri, rm, rl, m, s, r) \
+	{.sda = SENSOR_ATTR(name, S_IRUGO | S_IWUSR, show_##r, store_##r, n), \
+	  .priority = pri, .msb[0] = rm, .lsb[0] = rl, .mask[0] = m, \
+	  .shift[0] = s,}
+
+/*
+ * PWRITEM assumes that the initializers for the .msb, .lsb, .mask and .shift
+ * were created using the VAA macro.
+ */
+#define PWRITEM(name, n, pri, rm, rl, m, s, r) \
+	{.sda = SENSOR_ATTR(name, S_IRUGO | S_IWUSR, show_##r, store_##r, n), \
+	  .priority = pri, .msb = rm, .lsb = rl, .mask = m, .shift = s,}
+
+static struct asc7621_param asc7621_params[] = {
+	PREAD(in0_input, 0, PRI_HIGH, 0x20, 0x13, 0, 0, in10),
+	PREAD(in1_input, 1, PRI_HIGH, 0x21, 0x18, 0, 0, in10),
+	PREAD(in2_input, 2, PRI_HIGH, 0x22, 0x11, 0, 0, in10),
+	PREAD(in3_input, 3, PRI_HIGH, 0x23, 0x12, 0, 0, in10),
+	PREAD(in4_input, 4, PRI_HIGH, 0x24, 0x14, 0, 0, in10),
+
+	PWRITE(in0_min, 0, PRI_LOW, 0x44, 0, 0, 0, in8),
+	PWRITE(in1_min, 1, PRI_LOW, 0x46, 0, 0, 0, in8),
+	PWRITE(in2_min, 2, PRI_LOW, 0x48, 0, 0, 0, in8),
+	PWRITE(in3_min, 3, PRI_LOW, 0x4a, 0, 0, 0, in8),
+	PWRITE(in4_min, 4, PRI_LOW, 0x4c, 0, 0, 0, in8),
+
+	PWRITE(in0_max, 0, PRI_LOW, 0x45, 0, 0, 0, in8),
+	PWRITE(in1_max, 1, PRI_LOW, 0x47, 0, 0, 0, in8),
+	PWRITE(in2_max, 2, PRI_LOW, 0x49, 0, 0, 0, in8),
+	PWRITE(in3_max, 3, PRI_LOW, 0x4b, 0, 0, 0, in8),
+	PWRITE(in4_max, 4, PRI_LOW, 0x4d, 0, 0, 0, in8),
+
+	PREAD(in0_alarm, 0, PRI_LOW, 0x41, 0, 0x01, 0, bitmask),
+	PREAD(in1_alarm, 1, PRI_LOW, 0x41, 0, 0x01, 1, bitmask),
+	PREAD(in2_alarm, 2, PRI_LOW, 0x41, 0, 0x01, 2, bitmask),
+	PREAD(in3_alarm, 3, PRI_LOW, 0x41, 0, 0x01, 3, bitmask),
+	PREAD(in4_alarm, 4, PRI_LOW, 0x42, 0, 0x01, 0, bitmask),
+
+	PREAD(fan1_input, 0, PRI_HIGH, 0x29, 0x28, 0, 0, fan16),
+	PREAD(fan2_input, 1, PRI_HIGH, 0x2b, 0x2a, 0, 0, fan16),
+	PREAD(fan3_input, 2, PRI_HIGH, 0x2d, 0x2c, 0, 0, fan16),
+	PREAD(fan4_input, 3, PRI_HIGH, 0x2f, 0x2e, 0, 0, fan16),
+
+	PWRITE(fan1_min, 0, PRI_LOW, 0x55, 0x54, 0, 0, fan16),
+	PWRITE(fan2_min, 1, PRI_LOW, 0x57, 0x56, 0, 0, fan16),
+	PWRITE(fan3_min, 2, PRI_LOW, 0x59, 0x58, 0, 0, fan16),
+	PWRITE(fan4_min, 3, PRI_LOW, 0x5b, 0x5a, 0, 0, fan16),
+
+	PREAD(fan1_alarm, 0, PRI_LOW, 0x42, 0, 0x01, 0, bitmask),
+	PREAD(fan2_alarm, 1, PRI_LOW, 0x42, 0, 0x01, 1, bitmask),
+	PREAD(fan3_alarm, 2, PRI_LOW, 0x42, 0, 0x01, 2, bitmask),
+	PREAD(fan4_alarm, 3, PRI_LOW, 0x42, 0, 0x01, 3, bitmask),
+
+	PREAD(temp1_input, 0, PRI_HIGH, 0x25, 0x10, 0, 0, temp10),
+	PREAD(temp2_input, 1, PRI_HIGH, 0x26, 0x15, 0, 0, temp10),
+	PREAD(temp3_input, 2, PRI_HIGH, 0x27, 0x16, 0, 0, temp10),
+	PREAD(temp4_input, 3, PRI_HIGH, 0x33, 0x17, 0, 0, temp10),
+	PREAD(temp5_input, 4, PRI_HIGH, 0xf7, 0xf6, 0, 0, temp10),
+	PREAD(temp6_input, 5, PRI_HIGH, 0xf9, 0xf8, 0, 0, temp10),
+	PREAD(temp7_input, 6, PRI_HIGH, 0xfb, 0xfa, 0, 0, temp10),
+	PREAD(temp8_input, 7, PRI_HIGH, 0xfd, 0xfc, 0, 0, temp10),
+
+	PWRITE(temp1_min, 0, PRI_LOW, 0x4e, 0, 0, 0, temp8),
+	PWRITE(temp2_min, 1, PRI_LOW, 0x50, 0, 0, 0, temp8),
+	PWRITE(temp3_min, 2, PRI_LOW, 0x52, 0, 0, 0, temp8),
+	PWRITE(temp4_min, 3, PRI_LOW, 0x34, 0, 0, 0, temp8),
+
+	PWRITE(temp1_max, 0, PRI_LOW, 0x4f, 0, 0, 0, temp8),
+	PWRITE(temp2_max, 1, PRI_LOW, 0x51, 0, 0, 0, temp8),
+	PWRITE(temp3_max, 2, PRI_LOW, 0x53, 0, 0, 0, temp8),
+	PWRITE(temp4_max, 3, PRI_LOW, 0x35, 0, 0, 0, temp8),
+
+	PREAD(temp1_alarm, 0, PRI_LOW, 0x41, 0, 0x01, 4, bitmask),
+	PREAD(temp2_alarm, 1, PRI_LOW, 0x41, 0, 0x01, 5, bitmask),
+	PREAD(temp3_alarm, 2, PRI_LOW, 0x41, 0, 0x01, 6, bitmask),
+	PREAD(temp4_alarm, 3, PRI_LOW, 0x43, 0, 0x01, 0, bitmask),
+
+	PWRITE(temp1_source, 0, PRI_LOW, 0x02, 0, 0x07, 4, bitmask),
+	PWRITE(temp2_source, 1, PRI_LOW, 0x02, 0, 0x07, 0, bitmask),
+	PWRITE(temp3_source, 2, PRI_LOW, 0x03, 0, 0x07, 4, bitmask),
+	PWRITE(temp4_source, 3, PRI_LOW, 0x03, 0, 0x07, 0, bitmask),
+
+	PWRITE(temp1_smoothing_enable, 0, PRI_LOW, 0x62, 0, 0x01, 3, bitmask),
+	PWRITE(temp2_smoothing_enable, 1, PRI_LOW, 0x63, 0, 0x01, 7, bitmask),
+	PWRITE(temp3_smoothing_enable, 2, PRI_LOW, 0x64, 0, 0x01, 3, bitmask),
+	PWRITE(temp4_smoothing_enable, 3, PRI_LOW, 0x3c, 0, 0x01, 3, bitmask),
+
+	PWRITE(temp1_smoothing_time, 0, PRI_LOW, 0x62, 0, 0x07, 0, temp_st),
+	PWRITE(temp2_smoothing_time, 1, PRI_LOW, 0x63, 0, 0x07, 4, temp_st),
+	PWRITE(temp3_smoothing_time, 2, PRI_LOW, 0x63, 0, 0x07, 0, temp_st),
+	PWRITE(temp4_smoothing_time, 3, PRI_LOW, 0x3c, 0, 0x07, 0, temp_st),
+
+	PWRITE(temp1_auto_point1_temp_hyst, 0, PRI_LOW, 0x6d, 0, 0x0f, 4,
+	       bitmask),
+	PWRITE(temp2_auto_point1_temp_hyst, 1, PRI_LOW, 0x6d, 0, 0x0f, 0,
+	       bitmask),
+	PWRITE(temp3_auto_point1_temp_hyst, 2, PRI_LOW, 0x6e, 0, 0x0f, 4,
+	       bitmask),
+	PWRITE(temp4_auto_point1_temp_hyst, 3, PRI_LOW, 0x6e, 0, 0x0f, 0,
+	       bitmask),
+
+	PREAD(temp1_auto_point2_temp_hyst, 0, PRI_LOW, 0x6d, 0, 0x0f, 4,
+	      bitmask),
+	PREAD(temp2_auto_point2_temp_hyst, 1, PRI_LOW, 0x6d, 0, 0x0f, 0,
+	      bitmask),
+	PREAD(temp3_auto_point2_temp_hyst, 2, PRI_LOW, 0x6e, 0, 0x0f, 4,
+	      bitmask),
+	PREAD(temp4_auto_point2_temp_hyst, 3, PRI_LOW, 0x6e, 0, 0x0f, 0,
+	      bitmask),
+
+	PWRITE(temp1_auto_point1_temp, 0, PRI_LOW, 0x67, 0, 0, 0, temp8),
+	PWRITE(temp2_auto_point1_temp, 1, PRI_LOW, 0x68, 0, 0, 0, temp8),
+	PWRITE(temp3_auto_point1_temp, 2, PRI_LOW, 0x69, 0, 0, 0, temp8),
+	PWRITE(temp4_auto_point1_temp, 3, PRI_LOW, 0x3b, 0, 0, 0, temp8),
+
+	PWRITEM(temp1_auto_point2_temp, 0, PRI_LOW, VAA(0x5f, 0x67), VAA(0),
+		VAA(0x0f), VAA(4), ap2_temp),
+	PWRITEM(temp2_auto_point2_temp, 1, PRI_LOW, VAA(0x60, 0x68), VAA(0),
+		VAA(0x0f), VAA(4), ap2_temp),
+	PWRITEM(temp3_auto_point2_temp, 2, PRI_LOW, VAA(0x61, 0x69), VAA(0),
+		VAA(0x0f), VAA(4), ap2_temp),
+	PWRITEM(temp4_auto_point2_temp, 3, PRI_LOW, VAA(0x3c, 0x3b), VAA(0),
+		VAA(0x0f), VAA(4), ap2_temp),
+
+	PWRITE(temp1_crit, 0, PRI_LOW, 0x6a, 0, 0, 0, temp8),
+	PWRITE(temp2_crit, 1, PRI_LOW, 0x6b, 0, 0, 0, temp8),
+	PWRITE(temp3_crit, 2, PRI_LOW, 0x6c, 0, 0, 0, temp8),
+	PWRITE(temp4_crit, 3, PRI_LOW, 0x3d, 0, 0, 0, temp8),
+
+	PWRITE(temp5_enable, 4, PRI_LOW, 0x0e, 0, 0x01, 0, bitmask),
+	PWRITE(temp6_enable, 5, PRI_LOW, 0x0e, 0, 0x01, 1, bitmask),
+	PWRITE(temp7_enable, 6, PRI_LOW, 0x0e, 0, 0x01, 2, bitmask),
+	PWRITE(temp8_enable, 7, PRI_LOW, 0x0e, 0, 0x01, 3, bitmask),
+
+	PWRITE(remote1_offset, 0, PRI_LOW, 0x1c, 0, 0, 0, temp62),
+	PWRITE(remote2_offset, 1, PRI_LOW, 0x1d, 0, 0, 0, temp62),
+
+	PWRITE(pwm1, 0, PRI_HIGH, 0x30, 0, 0, 0, u8),
+	PWRITE(pwm2, 1, PRI_HIGH, 0x31, 0, 0, 0, u8),
+	PWRITE(pwm3, 2, PRI_HIGH, 0x32, 0, 0, 0, u8),
+
+	PWRITE(pwm1_invert, 0, PRI_LOW, 0x5c, 0, 0x01, 4, bitmask),
+	PWRITE(pwm2_invert, 1, PRI_LOW, 0x5d, 0, 0x01, 4, bitmask),
+	PWRITE(pwm3_invert, 2, PRI_LOW, 0x5e, 0, 0x01, 4, bitmask),
+
+	PWRITEM(pwm1_enable, 0, PRI_LOW, VAA(0x5c, 0x5c, 0x62), VAA(0, 0, 0),
+		VAA(0x07, 0x01, 0x01), VAA(5, 3, 5), pwm_enable),
+	PWRITEM(pwm2_enable, 1, PRI_LOW, VAA(0x5d, 0x5d, 0x62), VAA(0, 0, 0),
+		VAA(0x07, 0x01, 0x01), VAA(5, 3, 6), pwm_enable),
+	PWRITEM(pwm3_enable, 2, PRI_LOW, VAA(0x5e, 0x5e, 0x62), VAA(0, 0, 0),
+		VAA(0x07, 0x01, 0x01), VAA(5, 3, 7), pwm_enable),
+
+	PWRITEM(pwm1_auto_channels, 0, PRI_LOW, VAA(0x5c, 0x5c), VAA(0, 0),
+		VAA(0x07, 0x01), VAA(5, 3), pwm_ac),
+	PWRITEM(pwm2_auto_channels, 1, PRI_LOW, VAA(0x5d, 0x5d), VAA(0, 0),
+		VAA(0x07, 0x01), VAA(5, 3), pwm_ac),
+	PWRITEM(pwm3_auto_channels, 2, PRI_LOW, VAA(0x5e, 0x5e), VAA(0, 0),
+		VAA(0x07, 0x01), VAA(5, 3), pwm_ac),
+
+	PWRITE(pwm1_auto_point1_pwm, 0, PRI_LOW, 0x64, 0, 0, 0, u8),
+	PWRITE(pwm2_auto_point1_pwm, 1, PRI_LOW, 0x65, 0, 0, 0, u8),
+	PWRITE(pwm3_auto_point1_pwm, 2, PRI_LOW, 0x66, 0, 0, 0, u8),
+
+	PWRITE(pwm1_auto_point2_pwm, 0, PRI_LOW, 0x38, 0, 0, 0, u8),
+	PWRITE(pwm2_auto_point2_pwm, 1, PRI_LOW, 0x39, 0, 0, 0, u8),
+	PWRITE(pwm3_auto_point2_pwm, 2, PRI_LOW, 0x3a, 0, 0, 0, u8),
+
+	PWRITE(pwm1_freq, 0, PRI_LOW, 0x5f, 0, 0x0f, 0, pwm_freq),
+	PWRITE(pwm2_freq, 1, PRI_LOW, 0x60, 0, 0x0f, 0, pwm_freq),
+	PWRITE(pwm3_freq, 2, PRI_LOW, 0x61, 0, 0x0f, 0, pwm_freq),
+
+	PREAD(pwm1_auto_zone_assigned, 0, PRI_LOW, 0, 0, 0x03, 2, bitmask),
+	PREAD(pwm2_auto_zone_assigned, 1, PRI_LOW, 0, 0, 0x03, 4, bitmask),
+	PREAD(pwm3_auto_zone_assigned, 2, PRI_LOW, 0, 0, 0x03, 6, bitmask),
+
+	PWRITE(pwm1_auto_spinup_time, 0, PRI_LOW, 0x5c, 0, 0x07, 0, pwm_ast),
+	PWRITE(pwm2_auto_spinup_time, 1, PRI_LOW, 0x5d, 0, 0x07, 0, pwm_ast),
+	PWRITE(pwm3_auto_spinup_time, 2, PRI_LOW, 0x5e, 0, 0x07, 0, pwm_ast),
+
+	PWRITE(peci_enable, 0, PRI_LOW, 0x40, 0, 0x01, 4, bitmask),
+	PWRITE(peci_avg, 0, PRI_LOW, 0x36, 0, 0x07, 0, bitmask),
+	PWRITE(peci_domain, 0, PRI_LOW, 0x36, 0, 0x01, 3, bitmask),
+	PWRITE(peci_legacy, 0, PRI_LOW, 0x36, 0, 0x01, 4, bitmask),
+	PWRITE(peci_diode, 0, PRI_LOW, 0x0e, 0, 0x07, 4, bitmask),
+	PWRITE(peci_4domain, 0, PRI_LOW, 0x0e, 0, 0x01, 4, bitmask),
+
+};
+
+static struct asc7621_data *asc7621_update_device(struct device *dev)
+{
+	struct i2c_client *client = to_i2c_client(dev);
+	struct asc7621_data *data = i2c_get_clientdata(client);
+	int i;
+
+/*
+ * The asc7621 chips guarantee consistent reads of multi-byte values
+ * regardless of the order of the reads.  No special logic is needed
+ * so we can just read the registers in whatever  order they appear
+ * in the asc7621_params array.
+ */
+
+	mutex_lock(&data->update_lock);
+
+	/* Read all the high priority registers */
+
+	if (!data->valid ||
+	    time_after(jiffies, data->last_high_reading + INTERVAL_HIGH)) {
+
+		for (i = 0; i < ARRAY_SIZE(asc7621_register_priorities); i++) {
+			if (asc7621_register_priorities[i] == PRI_HIGH) {
+				data->reg[i] =
+				    i2c_smbus_read_byte_data(client, i) & 0xff;
+			}
+		}
+		data->last_high_reading = jiffies;
+	};			/* last_reading */
+
+	/* Read all the low priority registers. */
+
+	if (!data->valid ||
+	    time_after(jiffies, data->last_low_reading + INTERVAL_LOW)) {
+
+		for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) {
+			if (asc7621_register_priorities[i] == PRI_LOW) {
+				data->reg[i] =
+				    i2c_smbus_read_byte_data(client, i) & 0xff;
+			}
+		}
+		data->last_low_reading = jiffies;
+	};			/* last_reading */
+
+	data->valid = 1;
+
+	mutex_unlock(&data->update_lock);
+
+	return data;
+}
+
+/*
+ * Standard detection and initialization below
+ *
+ * Helper function that checks if an address is valid
+ * for a particular chip.
+ */
+
+static inline int valid_address_for_chip(int chip_type, int address)
+{
+	int i;
+
+	for (i = 0; asc7621_chips[chip_type].addresses[i] != I2C_CLIENT_END;
+	     i++) {
+		if (asc7621_chips[chip_type].addresses[i] == address)
+			return 1;
+	}
+	return 0;
+}
+
+static void asc7621_init_client(struct i2c_client *client)
+{
+	int value;
+
+	/* Warn if part was not "READY" */
+
+	value = read_byte(client, 0x40);
+
+	if (value & 0x02) {
+		dev_err(&client->dev,
+			"Client (%d,0x%02x) config is locked.\n",
+			i2c_adapter_id(client->adapter), client->addr);
+	};
+	if (!(value & 0x04)) {
+		dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n",
+			i2c_adapter_id(client->adapter), client->addr);
+	};
+
+/*
+ * Start monitoring
+ *
+ * Try to clear LOCK, Set START, save everything else
+ */
+	value = (value & ~0x02) | 0x01;
+	write_byte(client, 0x40, value & 0xff);
+
+}
+
+static int
+asc7621_probe(struct i2c_client *client, const struct i2c_device_id *id)
+{
+	struct asc7621_data *data;
+	int i, err;
+
+	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -EIO;
+
+	data = kzalloc(sizeof(struct asc7621_data), GFP_KERNEL);
+	if (data == NULL)
+		return -ENOMEM;
+
+	i2c_set_clientdata(client, data);
+	data->valid = 0;
+	mutex_init(&data->update_lock);
+
+	/* Initialize the asc7621 chip */
+	asc7621_init_client(client);
+
+	/* Create the sysfs entries */
+	for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) {
+		err =
+		    device_create_file(&client->dev,
+				       &(asc7621_params[i].sda.dev_attr));
+		if (err)
+			goto exit_remove;
+	}
+
+	data->class_dev = hwmon_device_register(&client->dev);
+	if (IS_ERR(data->class_dev)) {
+		err = PTR_ERR(data->class_dev);
+		goto exit_remove;
+	}
+
+	return 0;
+
+exit_remove:
+	for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) {
+		device_remove_file(&client->dev,
+				   &(asc7621_params[i].sda.dev_attr));
+	}
+
+	i2c_set_clientdata(client, NULL);
+	kfree(data);
+	return err;
+}
+
+static int asc7621_detect(struct i2c_client *client,
+			  struct i2c_board_info *info)
+{
+	struct i2c_adapter *adapter = client->adapter;
+	int company, verstep, chip_index;
+	struct device *dev;
+
+	dev = &client->dev;
+
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
+		return -ENODEV;
+
+	for (chip_index = FIRST_CHIP; chip_index <= LAST_CHIP; chip_index++) {
+
+		if (!valid_address_for_chip(chip_index, client->addr))
+			continue;
+
+		company = read_byte(client,
+			asc7621_chips[chip_index].company_reg);
+		verstep = read_byte(client,
+			asc7621_chips[chip_index].verstep_reg);
+
+		if (company == asc7621_chips[chip_index].company_id &&
+		    verstep == asc7621_chips[chip_index].verstep_id) {
+			strlcpy(client->name, asc7621_chips[chip_index].name,
+				I2C_NAME_SIZE);
+			strlcpy(info->type, asc7621_chips[chip_index].name,
+				I2C_NAME_SIZE);
+
+			dev_info(&adapter->dev, "Matched %s\n",
+				 asc7621_chips[chip_index].name);
+			return 0;
+		}
+	}
+
+	return -ENODEV;
+}
+
+static int asc7621_remove(struct i2c_client *client)
+{
+	struct asc7621_data *data = i2c_get_clientdata(client);
+	int i;
+
+	hwmon_device_unregister(data->class_dev);
+
+	for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) {
+		device_remove_file(&client->dev,
+				   &(asc7621_params[i].sda.dev_attr));
+	}
+
+	i2c_set_clientdata(client, NULL);
+	kfree(data);
+	return 0;
+}
+
+static const struct i2c_device_id asc7621_id[] = {
+	{"asc7621", asc7621},
+	{"asc7621a", asc7621a},
+	{},
+};
+
+MODULE_DEVICE_TABLE(i2c, asc7621_id);
+
+static struct i2c_driver asc7621_driver = {
+	.class = I2C_CLASS_HWMON,
+	.driver = {
+		.name = "asc7621",
+	},
+	.probe = asc7621_probe,
+	.remove = asc7621_remove,
+	.id_table = asc7621_id,
+	.detect = asc7621_detect,
+	.address_list = normal_i2c,
+};
+
+static int __init sm_asc7621_init(void)
+{
+	int i, j;
+/*
+ * Collect all the registers needed into a single array.
+ * This way, if a register isn't actually used for anything,
+ * we don't retrieve it.
+ */
+
+	for (i = 0; i < ARRAY_SIZE(asc7621_params); i++) {
+		for (j = 0; j < ARRAY_SIZE(asc7621_params[i].msb); j++)
+			asc7621_register_priorities[asc7621_params[i].msb[j]] =
+			    asc7621_params[i].priority;
+		for (j = 0; j < ARRAY_SIZE(asc7621_params[i].lsb); j++)
+			asc7621_register_priorities[asc7621_params[i].lsb[j]] =
+			    asc7621_params[i].priority;
+	}
+	return i2c_add_driver(&asc7621_driver);
+}
+
+static void __exit sm_asc7621_exit(void)
+{
+	i2c_del_driver(&asc7621_driver);
+}
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("George Joseph");
+MODULE_DESCRIPTION("Andigilog aSC7621 and aSC7621a driver");
+
+module_init(sm_asc7621_init);
+module_exit(sm_asc7621_exit);
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 2d7bceeed0bc..e9b7fbc5a447 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -228,7 +228,7 @@ static int __devinit adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *
 		if (err) {
 			dev_warn(dev,
 				 "Unable to access MSR 0xEE, for Tjmax, left"
-				 " at default");
+				 " at default\n");
 		} else if (eax & 0x40000000) {
 			tjmax = tjmax_ee;
 		}
@@ -466,7 +466,7 @@ static int __init coretemp_init(void)
 			   family 6 CPU */
 			if ((c->x86 == 0x6) && (c->x86_model > 0xf))
 				printk(KERN_WARNING DRVNAME ": Unknown CPU "
-					"model %x\n", c->x86_model);
+					"model 0x%x\n", c->x86_model);
 			continue;
 		}
 
diff --git a/drivers/hwmon/fschmd.c b/drivers/hwmon/fschmd.c
index fa0728232e71..0627f7a5b9b8 100644
--- a/drivers/hwmon/fschmd.c
+++ b/drivers/hwmon/fschmd.c
@@ -267,7 +267,7 @@ struct fschmd_data {
 	struct list_head list; /* member of the watchdog_data_list */
 	struct kref kref;
 	struct miscdevice watchdog_miscdev;
-	int kind;
+	enum chips kind;
 	unsigned long watchdog_is_open;
 	char watchdog_expect_close;
 	char watchdog_name[10]; /* must be unique to avoid sysfs conflict */
@@ -325,8 +325,7 @@ static ssize_t show_in_value(struct device *dev,
 	int index = to_sensor_dev_attr(devattr)->index;
 	struct fschmd_data *data = fschmd_update_device(dev);
 
-	/* fscher / fschrc - 1 as data->kind is an array index, not a chips */
-	if (data->kind == (fscher - 1) || data->kind >= (fschrc - 1))
+	if (data->kind == fscher || data->kind >= fschrc)
 		return sprintf(buf, "%d\n", (data->volt[index] * dmi_vref *
 			dmi_mult[index]) / 255 + dmi_offset[index]);
 	else
@@ -492,7 +491,7 @@ static ssize_t show_pwm_auto_point1_pwm(struct device *dev,
 	int val = data->fan_min[index];
 
 	/* 0 = allow turning off (except on the syl), 1-255 = 50-100% */
-	if (val || data->kind == fscsyl - 1)
+	if (val || data->kind == fscsyl)
 		val = val / 2 + 128;
 
 	return sprintf(buf, "%d\n", val);
@@ -506,7 +505,7 @@ static ssize_t store_pwm_auto_point1_pwm(struct device *dev,
 	unsigned long v = simple_strtoul(buf, NULL, 10);
 
 	/* reg: 0 = allow turning off (except on the syl), 1-255 = 50-100% */
-	if (v || data->kind == fscsyl - 1) {
+	if (v || data->kind == fscsyl) {
 		v = SENSORS_LIMIT(v, 128, 255);
 		v = (v - 128) * 2 + 1;
 	}
@@ -1037,7 +1036,7 @@ static int fschmd_detect(struct i2c_client *client,
 	else
 		return -ENODEV;
 
-	strlcpy(info->type, fschmd_id[kind - 1].name, I2C_NAME_SIZE);
+	strlcpy(info->type, fschmd_id[kind].name, I2C_NAME_SIZE);
 
 	return 0;
 }
@@ -1065,6 +1064,7 @@ static int fschmd_probe(struct i2c_client *client,
 	   (where the client is found through a data ptr instead of the
 	   otherway around) */
 	data->client = client;
+	data->kind = kind;
 
 	if (kind == fscpos) {
 		/* The Poseidon has hardwired temp limits, fill these
@@ -1085,9 +1085,6 @@ static int fschmd_probe(struct i2c_client *client,
 		}
 	}
 
-	/* i2c kind goes from 1-6, we want from 0-5 to address arrays */
-	data->kind = kind - 1;
-
 	/* Read in some never changing registers */
 	data->revision = i2c_smbus_read_byte_data(client, FSCHMD_REG_REVISION);
 	data->global_control = i2c_smbus_read_byte_data(client,
diff --git a/drivers/hwmon/g760a.c b/drivers/hwmon/g760a.c
index 19c01a49f6be..09ea12e0a551 100644
--- a/drivers/hwmon/g760a.c
+++ b/drivers/hwmon/g760a.c
@@ -68,7 +68,7 @@ struct g760a_data {
 #define PWM_FROM_CNT(cnt)	(0xff-(cnt))
 #define PWM_TO_CNT(pwm)		(0xff-(pwm))
 
-unsigned int rpm_from_cnt(u8 val, u32 clk, u16 div)
+static inline unsigned int rpm_from_cnt(u8 val, u32 clk, u16 div)
 {
 	return ((val == 0x00) ? 0 : ((clk*30)/(val*div)));
 }
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 0ffe84d190bb..1002befd87d5 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -1,40 +1,40 @@
 /*
-    it87.c - Part of lm_sensors, Linux kernel modules for hardware
-             monitoring.
-
-    The IT8705F is an LPC-based Super I/O part that contains UARTs, a
-    parallel port, an IR port, a MIDI port, a floppy controller, etc., in
-    addition to an Environment Controller (Enhanced Hardware Monitor and
-    Fan Controller)
-
-    This driver supports only the Environment Controller in the IT8705F and
-    similar parts.  The other devices are supported by different drivers.
-
-    Supports: IT8705F  Super I/O chip w/LPC interface
-              IT8712F  Super I/O chip w/LPC interface
-              IT8716F  Super I/O chip w/LPC interface
-              IT8718F  Super I/O chip w/LPC interface
-              IT8720F  Super I/O chip w/LPC interface
-              IT8726F  Super I/O chip w/LPC interface
-              Sis950   A clone of the IT8705F
-
-    Copyright (C) 2001 Chris Gauthron
-    Copyright (C) 2005-2007 Jean Delvare <khali@linux-fr.org>
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation; either version 2 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU General Public License for more details.
-
-    You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+ *  it87.c - Part of lm_sensors, Linux kernel modules for hardware
+ *           monitoring.
+ *
+ *  The IT8705F is an LPC-based Super I/O part that contains UARTs, a
+ *  parallel port, an IR port, a MIDI port, a floppy controller, etc., in
+ *  addition to an Environment Controller (Enhanced Hardware Monitor and
+ *  Fan Controller)
+ *
+ *  This driver supports only the Environment Controller in the IT8705F and
+ *  similar parts.  The other devices are supported by different drivers.
+ *
+ *  Supports: IT8705F  Super I/O chip w/LPC interface
+ *            IT8712F  Super I/O chip w/LPC interface
+ *            IT8716F  Super I/O chip w/LPC interface
+ *            IT8718F  Super I/O chip w/LPC interface
+ *            IT8720F  Super I/O chip w/LPC interface
+ *            IT8726F  Super I/O chip w/LPC interface
+ *            Sis950   A clone of the IT8705F
+ *
+ *  Copyright (C) 2001 Chris Gauthron
+ *  Copyright (C) 2005-2010 Jean Delvare <khali@linux-fr.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
 
 #include <linux/module.h>
 #include <linux/init.h>
@@ -128,6 +128,7 @@ superio_exit(void)
 #define IT87_SIO_GPIO5_REG	0x29
 #define IT87_SIO_PINX2_REG	0x2c	/* Pin selection */
 #define IT87_SIO_VID_REG	0xfc	/* VID value */
+#define IT87_SIO_BEEP_PIN_REG	0xf6	/* Beep pin mapping */
 
 /* Update battery voltage after every reading if true */
 static int update_vbat;
@@ -187,9 +188,13 @@ static const u8 IT87_REG_FANX_MIN[]	= { 0x1b, 0x1c, 0x1d, 0x85, 0x87 };
 
 #define IT87_REG_VIN_ENABLE    0x50
 #define IT87_REG_TEMP_ENABLE   0x51
+#define IT87_REG_BEEP_ENABLE   0x5c
 
 #define IT87_REG_CHIPID        0x58
 
+#define IT87_REG_AUTO_TEMP(nr, i) (0x60 + (nr) * 8 + (i))
+#define IT87_REG_AUTO_PWM(nr, i)  (0x65 + (nr) * 8 + (i))
+
 #define IN_TO_REG(val)  (SENSORS_LIMIT((((val) + 8)/16),0,255))
 #define IN_FROM_REG(val) ((val) * 16)
 
@@ -246,6 +251,7 @@ struct it87_sio_data {
 	/* Values read from Super-I/O config space */
 	u8 revision;
 	u8 vid_value;
+	u8 beep_pin;
 	/* Features skipped based on config or DMI */
 	u8 skip_vid;
 	u8 skip_fan;
@@ -279,9 +285,21 @@ struct it87_data {
 	u8 vid;			/* Register encoding, combined */
 	u8 vrm;
 	u32 alarms;		/* Register encoding, combined */
+	u8 beeps;		/* Register encoding */
 	u8 fan_main_ctrl;	/* Register value */
 	u8 fan_ctl;		/* Register value */
-	u8 manual_pwm_ctl[3];   /* manual PWM value set by user */
+
+	/* The following 3 arrays correspond to the same registers. The
+	 * meaning of bits 6-0 depends on the value of bit 7, and we want
+	 * to preserve settings on mode changes, so we have to track all
+	 * values separately. */
+	u8 pwm_ctrl[3];		/* Register value */
+	u8 pwm_duty[3];		/* Manual PWM value set by user (bit 6-0) */
+	u8 pwm_temp_map[3];	/* PWM to temp. chan. mapping (bits 1-0) */
+
+	/* Automatic fan speed control registers */
+	u8 auto_pwm[3][4];	/* [nr][3] is hard-coded */
+	s8 auto_temp[3][5];	/* [nr][0] is point1_temp_hyst */
 };
 
 static inline int has_16bit_fans(const struct it87_data *data)
@@ -296,6 +314,15 @@ static inline int has_16bit_fans(const struct it87_data *data)
 	    || data->type == it8720;
 }
 
+static inline int has_old_autopwm(const struct it87_data *data)
+{
+	/* The old automatic fan speed control interface is implemented
+	   by IT8705F chips up to revision F and IT8712F chips up to
+	   revision G. */
+	return (data->type == it87 && data->revision < 0x03)
+	    || (data->type == it8712 && data->revision < 0x08);
+}
+
 static int it87_probe(struct platform_device *pdev);
 static int __devexit it87_remove(struct platform_device *pdev);
 
@@ -352,7 +379,10 @@ static ssize_t set_in_min(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = dev_get_drvdata(dev);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+
+	if (strict_strtoul(buf, 10, &val) < 0)
+		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
 	data->in_min[nr] = IN_TO_REG(val);
@@ -368,7 +398,10 @@ static ssize_t set_in_max(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = dev_get_drvdata(dev);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
+
+	if (strict_strtoul(buf, 10, &val) < 0)
+		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
 	data->in_max[nr] = IN_TO_REG(val);
@@ -441,7 +474,10 @@ static ssize_t set_temp_max(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = dev_get_drvdata(dev);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+
+	if (strict_strtol(buf, 10, &val) < 0)
+		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
 	data->temp_high[nr] = TEMP_TO_REG(val);
@@ -456,7 +492,10 @@ static ssize_t set_temp_min(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = dev_get_drvdata(dev);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+
+	if (strict_strtol(buf, 10, &val) < 0)
+		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
 	data->temp_low[nr] = TEMP_TO_REG(val);
@@ -483,8 +522,9 @@ static ssize_t show_sensor(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = it87_update_device(dev);
-	u8 reg = data->sensor; /* In case the value is updated while we use it */
-	
+	u8 reg = data->sensor;		/* In case the value is updated while
+					   we use it */
+
 	if (reg & (1 << nr))
 		return sprintf(buf, "3\n");  /* thermal diode */
 	if (reg & (8 << nr))
@@ -498,7 +538,10 @@ static ssize_t set_sensor(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = dev_get_drvdata(dev);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+
+	if (strict_strtol(buf, 10, &val) < 0)
+		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
 
@@ -511,9 +554,9 @@ static ssize_t set_sensor(struct device *dev, struct device_attribute *attr,
 	}
 	/* 3 = thermal diode; 4 = thermistor; 0 = disabled */
 	if (val == 3)
-	    data->sensor |= 1 << nr;
+		data->sensor |= 1 << nr;
 	else if (val == 4)
-	    data->sensor |= 8 << nr;
+		data->sensor |= 8 << nr;
 	else if (val != 0) {
 		mutex_unlock(&data->update_lock);
 		return -EINVAL;
@@ -531,6 +574,19 @@ show_sensor_offset(2);
 show_sensor_offset(3);
 
 /* 3 Fans */
+
+static int pwm_mode(const struct it87_data *data, int nr)
+{
+	int ctrl = data->fan_main_ctrl & (1 << nr);
+
+	if (ctrl == 0)					/* Full speed */
+		return 0;
+	if (data->pwm_ctrl[nr] & 0x80)			/* Automatic mode */
+		return 2;
+	else						/* Manual mode */
+		return 1;
+}
+
 static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
 		char *buf)
 {
@@ -538,7 +594,7 @@ static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf,"%d\n", FAN_FROM_REG(data->fan[nr], 
+	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan[nr],
 				DIV_FROM_REG(data->fan_div[nr])));
 }
 static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
@@ -548,8 +604,8 @@ static ssize_t show_fan_min(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf,"%d\n",
-		FAN_FROM_REG(data->fan_min[nr], DIV_FROM_REG(data->fan_div[nr])));
+	return sprintf(buf, "%d\n", FAN_FROM_REG(data->fan_min[nr],
+				DIV_FROM_REG(data->fan_div[nr])));
 }
 static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
 		char *buf)
@@ -560,14 +616,14 @@ static ssize_t show_fan_div(struct device *dev, struct device_attribute *attr,
 	struct it87_data *data = it87_update_device(dev);
 	return sprintf(buf, "%d\n", DIV_FROM_REG(data->fan_div[nr]));
 }
-static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr,
-		char *buf)
+static ssize_t show_pwm_enable(struct device *dev,
+		struct device_attribute *attr, char *buf)
 {
 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf,"%d\n", (data->fan_main_ctrl & (1 << nr)) ? 1 : 0);
+	return sprintf(buf, "%d\n", pwm_mode(data, nr));
 }
 static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
 		char *buf)
@@ -576,7 +632,7 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = it87_update_device(dev);
-	return sprintf(buf,"%d\n", data->manual_pwm_ctl[nr]);
+	return sprintf(buf, "%d\n", PWM_FROM_REG(data->pwm_duty[nr]));
 }
 static ssize_t show_pwm_freq(struct device *dev, struct device_attribute *attr,
 		char *buf)
@@ -593,15 +649,24 @@ static ssize_t set_fan_min(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = dev_get_drvdata(dev);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
 	u8 reg;
 
+	if (strict_strtol(buf, 10, &val) < 0)
+		return -EINVAL;
+
 	mutex_lock(&data->update_lock);
 	reg = it87_read_value(data, IT87_REG_FAN_DIV);
 	switch (nr) {
-	case 0: data->fan_div[nr] = reg & 0x07; break;
-	case 1: data->fan_div[nr] = (reg >> 3) & 0x07; break;
-	case 2: data->fan_div[nr] = (reg & 0x40) ? 3 : 1; break;
+	case 0:
+		data->fan_div[nr] = reg & 0x07;
+		break;
+	case 1:
+		data->fan_div[nr] = (reg >> 3) & 0x07;
+		break;
+	case 2:
+		data->fan_div[nr] = (reg & 0x40) ? 3 : 1;
+		break;
 	}
 
 	data->fan_min[nr] = FAN_TO_REG(val, DIV_FROM_REG(data->fan_div[nr]));
@@ -616,10 +681,13 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = dev_get_drvdata(dev);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
 	int min;
 	u8 old;
 
+	if (strict_strtoul(buf, 10, &val) < 0)
+		return -EINVAL;
+
 	mutex_lock(&data->update_lock);
 	old = it87_read_value(data, IT87_REG_FAN_DIV);
 
@@ -651,6 +719,32 @@ static ssize_t set_fan_div(struct device *dev, struct device_attribute *attr,
 	mutex_unlock(&data->update_lock);
 	return count;
 }
+
+/* Returns 0 if OK, -EINVAL otherwise */
+static int check_trip_points(struct device *dev, int nr)
+{
+	const struct it87_data *data = dev_get_drvdata(dev);
+	int i, err = 0;
+
+	if (has_old_autopwm(data)) {
+		for (i = 0; i < 3; i++) {
+			if (data->auto_temp[nr][i] > data->auto_temp[nr][i + 1])
+				err = -EINVAL;
+		}
+		for (i = 0; i < 2; i++) {
+			if (data->auto_pwm[nr][i] > data->auto_pwm[nr][i + 1])
+				err = -EINVAL;
+		}
+	}
+
+	if (err) {
+		dev_err(dev, "Inconsistent trip points, not switching to "
+			"automatic mode\n");
+		dev_err(dev, "Adjust the trip points and try again\n");
+	}
+	return err;
+}
+
 static ssize_t set_pwm_enable(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
@@ -658,7 +752,16 @@ static ssize_t set_pwm_enable(struct device *dev,
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = dev_get_drvdata(dev);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+
+	if (strict_strtol(buf, 10, &val) < 0 || val < 0 || val > 2)
+		return -EINVAL;
+
+	/* Check trip points before switching to automatic mode */
+	if (val == 2) {
+		if (check_trip_points(dev, nr) < 0)
+			return -EINVAL;
+	}
 
 	mutex_lock(&data->update_lock);
 
@@ -669,16 +772,18 @@ static ssize_t set_pwm_enable(struct device *dev,
 		it87_write_value(data, IT87_REG_FAN_CTL, tmp | (1 << nr));
 		/* set on/off mode */
 		data->fan_main_ctrl &= ~(1 << nr);
-		it87_write_value(data, IT87_REG_FAN_MAIN_CTRL, data->fan_main_ctrl);
-	} else if (val == 1) {
+		it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
+				 data->fan_main_ctrl);
+	} else {
+		if (val == 1)				/* Manual mode */
+			data->pwm_ctrl[nr] = data->pwm_duty[nr];
+		else					/* Automatic mode */
+			data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
+		it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]);
 		/* set SmartGuardian mode */
 		data->fan_main_ctrl |= (1 << nr);
-		it87_write_value(data, IT87_REG_FAN_MAIN_CTRL, data->fan_main_ctrl);
-		/* set saved pwm value, clear FAN_CTLX PWM mode bit */
-		it87_write_value(data, IT87_REG_PWM(nr), PWM_TO_REG(data->manual_pwm_ctl[nr]));
-	} else {
-		mutex_unlock(&data->update_lock);
-		return -EINVAL;
+		it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
+				 data->fan_main_ctrl);
 	}
 
 	mutex_unlock(&data->update_lock);
@@ -691,15 +796,19 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
 	int nr = sensor_attr->index;
 
 	struct it87_data *data = dev_get_drvdata(dev);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
 
-	if (val < 0 || val > 255)
+	if (strict_strtol(buf, 10, &val) < 0 || val < 0 || val > 255)
 		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
-	data->manual_pwm_ctl[nr] = val;
-	if (data->fan_main_ctrl & (1 << nr))
-		it87_write_value(data, IT87_REG_PWM(nr), PWM_TO_REG(data->manual_pwm_ctl[nr]));
+	data->pwm_duty[nr] = PWM_TO_REG(val);
+	/* If we are in manual mode, write the duty cycle immediately;
+	 * otherwise, just store it for later use. */
+	if (!(data->pwm_ctrl[nr] & 0x80)) {
+		data->pwm_ctrl[nr] = data->pwm_duty[nr];
+		it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]);
+	}
 	mutex_unlock(&data->update_lock);
 	return count;
 }
@@ -707,9 +816,12 @@ static ssize_t set_pwm_freq(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct it87_data *data = dev_get_drvdata(dev);
-	unsigned long val = simple_strtoul(buf, NULL, 10);
+	unsigned long val;
 	int i;
 
+	if (strict_strtoul(buf, 10, &val) < 0)
+		return -EINVAL;
+
 	/* Search for the nearest available frequency */
 	for (i = 0; i < 7; i++) {
 		if (val > (pwm_freq[i] + pwm_freq[i+1]) / 2)
@@ -724,6 +836,132 @@ static ssize_t set_pwm_freq(struct device *dev,
 
 	return count;
 }
+static ssize_t show_pwm_temp_map(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+	int nr = sensor_attr->index;
+
+	struct it87_data *data = it87_update_device(dev);
+	int map;
+
+	if (data->pwm_temp_map[nr] < 3)
+		map = 1 << data->pwm_temp_map[nr];
+	else
+		map = 0;			/* Should never happen */
+	return sprintf(buf, "%d\n", map);
+}
+static ssize_t set_pwm_temp_map(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
+	int nr = sensor_attr->index;
+
+	struct it87_data *data = dev_get_drvdata(dev);
+	long val;
+	u8 reg;
+
+	/* This check can go away if we ever support automatic fan speed
+	   control on newer chips. */
+	if (!has_old_autopwm(data)) {
+		dev_notice(dev, "Mapping change disabled for safety reasons\n");
+		return -EINVAL;
+	}
+
+	if (strict_strtol(buf, 10, &val) < 0)
+		return -EINVAL;
+
+	switch (val) {
+	case (1 << 0):
+		reg = 0x00;
+		break;
+	case (1 << 1):
+		reg = 0x01;
+		break;
+	case (1 << 2):
+		reg = 0x02;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	mutex_lock(&data->update_lock);
+	data->pwm_temp_map[nr] = reg;
+	/* If we are in automatic mode, write the temp mapping immediately;
+	 * otherwise, just store it for later use. */
+	if (data->pwm_ctrl[nr] & 0x80) {
+		data->pwm_ctrl[nr] = 0x80 | data->pwm_temp_map[nr];
+		it87_write_value(data, IT87_REG_PWM(nr), data->pwm_ctrl[nr]);
+	}
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+static ssize_t show_auto_pwm(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct it87_data *data = it87_update_device(dev);
+	struct sensor_device_attribute_2 *sensor_attr =
+			to_sensor_dev_attr_2(attr);
+	int nr = sensor_attr->nr;
+	int point = sensor_attr->index;
+
+	return sprintf(buf, "%d\n", PWM_FROM_REG(data->auto_pwm[nr][point]));
+}
+
+static ssize_t set_auto_pwm(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct it87_data *data = dev_get_drvdata(dev);
+	struct sensor_device_attribute_2 *sensor_attr =
+			to_sensor_dev_attr_2(attr);
+	int nr = sensor_attr->nr;
+	int point = sensor_attr->index;
+	long val;
+
+	if (strict_strtol(buf, 10, &val) < 0 || val < 0 || val > 255)
+		return -EINVAL;
+
+	mutex_lock(&data->update_lock);
+	data->auto_pwm[nr][point] = PWM_TO_REG(val);
+	it87_write_value(data, IT87_REG_AUTO_PWM(nr, point),
+			 data->auto_pwm[nr][point]);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+static ssize_t show_auto_temp(struct device *dev,
+		struct device_attribute *attr, char *buf)
+{
+	struct it87_data *data = it87_update_device(dev);
+	struct sensor_device_attribute_2 *sensor_attr =
+			to_sensor_dev_attr_2(attr);
+	int nr = sensor_attr->nr;
+	int point = sensor_attr->index;
+
+	return sprintf(buf, "%d\n", TEMP_FROM_REG(data->auto_temp[nr][point]));
+}
+
+static ssize_t set_auto_temp(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct it87_data *data = dev_get_drvdata(dev);
+	struct sensor_device_attribute_2 *sensor_attr =
+			to_sensor_dev_attr_2(attr);
+	int nr = sensor_attr->nr;
+	int point = sensor_attr->index;
+	long val;
+
+	if (strict_strtol(buf, 10, &val) < 0 || val < -128000 || val > 127000)
+		return -EINVAL;
+
+	mutex_lock(&data->update_lock);
+	data->auto_temp[nr][point] = TEMP_TO_REG(val);
+	it87_write_value(data, IT87_REG_AUTO_TEMP(nr, point),
+			 data->auto_temp[nr][point]);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
 
 #define show_fan_offset(offset)					\
 static SENSOR_DEVICE_ATTR(fan##offset##_input, S_IRUGO,		\
@@ -744,7 +982,36 @@ static SENSOR_DEVICE_ATTR(pwm##offset, S_IRUGO | S_IWUSR,		\
 		show_pwm, set_pwm, offset - 1);				\
 static DEVICE_ATTR(pwm##offset##_freq,					\
 		(offset == 1 ? S_IRUGO | S_IWUSR : S_IRUGO),		\
-		show_pwm_freq, (offset == 1 ? set_pwm_freq : NULL));
+		show_pwm_freq, (offset == 1 ? set_pwm_freq : NULL));	\
+static SENSOR_DEVICE_ATTR(pwm##offset##_auto_channels_temp,		\
+		S_IRUGO | S_IWUSR, show_pwm_temp_map, set_pwm_temp_map,	\
+		offset - 1);						\
+static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point1_pwm,		\
+		S_IRUGO | S_IWUSR, show_auto_pwm, set_auto_pwm,		\
+		offset - 1, 0);						\
+static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point2_pwm,		\
+		S_IRUGO | S_IWUSR, show_auto_pwm, set_auto_pwm,		\
+		offset - 1, 1);						\
+static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point3_pwm,		\
+		S_IRUGO | S_IWUSR, show_auto_pwm, set_auto_pwm,		\
+		offset - 1, 2);						\
+static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point4_pwm,		\
+		S_IRUGO, show_auto_pwm, NULL, offset - 1, 3);		\
+static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point1_temp,		\
+		S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp,	\
+		offset - 1, 1);						\
+static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point1_temp_hyst,	\
+		S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp,	\
+		offset - 1, 0);						\
+static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point2_temp,		\
+		S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp,	\
+		offset - 1, 2);						\
+static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point3_temp,		\
+		S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp,	\
+		offset - 1, 3);						\
+static SENSOR_DEVICE_ATTR_2(pwm##offset##_auto_point4_temp,		\
+		S_IRUGO | S_IWUSR, show_auto_temp, set_auto_temp,	\
+		offset - 1, 4);
 
 show_pwm_offset(1);
 show_pwm_offset(2);
@@ -775,7 +1042,10 @@ static ssize_t set_fan16_min(struct device *dev, struct device_attribute *attr,
 	struct sensor_device_attribute *sensor_attr = to_sensor_dev_attr(attr);
 	int nr = sensor_attr->index;
 	struct it87_data *data = dev_get_drvdata(dev);
-	int val = simple_strtol(buf, NULL, 10);
+	long val;
+
+	if (strict_strtol(buf, 10, &val) < 0)
+		return -EINVAL;
 
 	mutex_lock(&data->update_lock);
 	data->fan_min[nr] = FAN16_TO_REG(val);
@@ -805,7 +1075,8 @@ show_fan16_offset(4);
 show_fan16_offset(5);
 
 /* Alarms */
-static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_alarms(struct device *dev, struct device_attribute *attr,
+		char *buf)
 {
 	struct it87_data *data = it87_update_device(dev);
 	return sprintf(buf, "%u\n", data->alarms);
@@ -836,27 +1107,78 @@ static SENSOR_DEVICE_ATTR(temp1_alarm, S_IRUGO, show_alarm, NULL, 16);
 static SENSOR_DEVICE_ATTR(temp2_alarm, S_IRUGO, show_alarm, NULL, 17);
 static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 18);
 
-static ssize_t
-show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_beep(struct device *dev, struct device_attribute *attr,
+		char *buf)
+{
+	int bitnr = to_sensor_dev_attr(attr)->index;
+	struct it87_data *data = it87_update_device(dev);
+	return sprintf(buf, "%u\n", (data->beeps >> bitnr) & 1);
+}
+static ssize_t set_beep(struct device *dev, struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	int bitnr = to_sensor_dev_attr(attr)->index;
+	struct it87_data *data = dev_get_drvdata(dev);
+	long val;
+
+	if (strict_strtol(buf, 10, &val) < 0
+	 || (val != 0 && val != 1))
+		return -EINVAL;
+
+	mutex_lock(&data->update_lock);
+	data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);
+	if (val)
+		data->beeps |= (1 << bitnr);
+	else
+		data->beeps &= ~(1 << bitnr);
+	it87_write_value(data, IT87_REG_BEEP_ENABLE, data->beeps);
+	mutex_unlock(&data->update_lock);
+	return count;
+}
+
+static SENSOR_DEVICE_ATTR(in0_beep, S_IRUGO | S_IWUSR,
+			  show_beep, set_beep, 1);
+static SENSOR_DEVICE_ATTR(in1_beep, S_IRUGO, show_beep, NULL, 1);
+static SENSOR_DEVICE_ATTR(in2_beep, S_IRUGO, show_beep, NULL, 1);
+static SENSOR_DEVICE_ATTR(in3_beep, S_IRUGO, show_beep, NULL, 1);
+static SENSOR_DEVICE_ATTR(in4_beep, S_IRUGO, show_beep, NULL, 1);
+static SENSOR_DEVICE_ATTR(in5_beep, S_IRUGO, show_beep, NULL, 1);
+static SENSOR_DEVICE_ATTR(in6_beep, S_IRUGO, show_beep, NULL, 1);
+static SENSOR_DEVICE_ATTR(in7_beep, S_IRUGO, show_beep, NULL, 1);
+/* fanX_beep writability is set later */
+static SENSOR_DEVICE_ATTR(fan1_beep, S_IRUGO, show_beep, set_beep, 0);
+static SENSOR_DEVICE_ATTR(fan2_beep, S_IRUGO, show_beep, set_beep, 0);
+static SENSOR_DEVICE_ATTR(fan3_beep, S_IRUGO, show_beep, set_beep, 0);
+static SENSOR_DEVICE_ATTR(fan4_beep, S_IRUGO, show_beep, set_beep, 0);
+static SENSOR_DEVICE_ATTR(fan5_beep, S_IRUGO, show_beep, set_beep, 0);
+static SENSOR_DEVICE_ATTR(temp1_beep, S_IRUGO | S_IWUSR,
+			  show_beep, set_beep, 2);
+static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO, show_beep, NULL, 2);
+static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO, show_beep, NULL, 2);
+
+static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr,
+		char *buf)
 {
 	struct it87_data *data = dev_get_drvdata(dev);
 	return sprintf(buf, "%u\n", data->vrm);
 }
-static ssize_t
-store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
+static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr,
+		const char *buf, size_t count)
 {
 	struct it87_data *data = dev_get_drvdata(dev);
-	u32 val;
+	unsigned long val;
+
+	if (strict_strtoul(buf, 10, &val) < 0)
+		return -EINVAL;
 
-	val = simple_strtoul(buf, NULL, 10);
 	data->vrm = val;
 
 	return count;
 }
 static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg);
 
-static ssize_t
-show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr,
+		char *buf)
 {
 	struct it87_data *data = it87_update_device(dev);
 	return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm));
@@ -931,51 +1253,176 @@ static const struct attribute_group it87_group = {
 	.attrs = it87_attributes,
 };
 
-static struct attribute *it87_attributes_opt[] = {
+static struct attribute *it87_attributes_beep[] = {
+	&sensor_dev_attr_in0_beep.dev_attr.attr,
+	&sensor_dev_attr_in1_beep.dev_attr.attr,
+	&sensor_dev_attr_in2_beep.dev_attr.attr,
+	&sensor_dev_attr_in3_beep.dev_attr.attr,
+	&sensor_dev_attr_in4_beep.dev_attr.attr,
+	&sensor_dev_attr_in5_beep.dev_attr.attr,
+	&sensor_dev_attr_in6_beep.dev_attr.attr,
+	&sensor_dev_attr_in7_beep.dev_attr.attr,
+
+	&sensor_dev_attr_temp1_beep.dev_attr.attr,
+	&sensor_dev_attr_temp2_beep.dev_attr.attr,
+	&sensor_dev_attr_temp3_beep.dev_attr.attr,
+	NULL
+};
+
+static const struct attribute_group it87_group_beep = {
+	.attrs = it87_attributes_beep,
+};
+
+static struct attribute *it87_attributes_fan16[5][3+1] = { {
 	&sensor_dev_attr_fan1_input16.dev_attr.attr,
 	&sensor_dev_attr_fan1_min16.dev_attr.attr,
+	&sensor_dev_attr_fan1_alarm.dev_attr.attr,
+	NULL
+}, {
 	&sensor_dev_attr_fan2_input16.dev_attr.attr,
 	&sensor_dev_attr_fan2_min16.dev_attr.attr,
+	&sensor_dev_attr_fan2_alarm.dev_attr.attr,
+	NULL
+}, {
 	&sensor_dev_attr_fan3_input16.dev_attr.attr,
 	&sensor_dev_attr_fan3_min16.dev_attr.attr,
+	&sensor_dev_attr_fan3_alarm.dev_attr.attr,
+	NULL
+}, {
 	&sensor_dev_attr_fan4_input16.dev_attr.attr,
 	&sensor_dev_attr_fan4_min16.dev_attr.attr,
+	&sensor_dev_attr_fan4_alarm.dev_attr.attr,
+	NULL
+}, {
 	&sensor_dev_attr_fan5_input16.dev_attr.attr,
 	&sensor_dev_attr_fan5_min16.dev_attr.attr,
+	&sensor_dev_attr_fan5_alarm.dev_attr.attr,
+	NULL
+} };
+
+static const struct attribute_group it87_group_fan16[5] = {
+	{ .attrs = it87_attributes_fan16[0] },
+	{ .attrs = it87_attributes_fan16[1] },
+	{ .attrs = it87_attributes_fan16[2] },
+	{ .attrs = it87_attributes_fan16[3] },
+	{ .attrs = it87_attributes_fan16[4] },
+};
 
+static struct attribute *it87_attributes_fan[3][4+1] = { {
 	&sensor_dev_attr_fan1_input.dev_attr.attr,
 	&sensor_dev_attr_fan1_min.dev_attr.attr,
 	&sensor_dev_attr_fan1_div.dev_attr.attr,
+	&sensor_dev_attr_fan1_alarm.dev_attr.attr,
+	NULL
+}, {
 	&sensor_dev_attr_fan2_input.dev_attr.attr,
 	&sensor_dev_attr_fan2_min.dev_attr.attr,
 	&sensor_dev_attr_fan2_div.dev_attr.attr,
+	&sensor_dev_attr_fan2_alarm.dev_attr.attr,
+	NULL
+}, {
 	&sensor_dev_attr_fan3_input.dev_attr.attr,
 	&sensor_dev_attr_fan3_min.dev_attr.attr,
 	&sensor_dev_attr_fan3_div.dev_attr.attr,
-
-	&sensor_dev_attr_fan1_alarm.dev_attr.attr,
-	&sensor_dev_attr_fan2_alarm.dev_attr.attr,
 	&sensor_dev_attr_fan3_alarm.dev_attr.attr,
-	&sensor_dev_attr_fan4_alarm.dev_attr.attr,
-	&sensor_dev_attr_fan5_alarm.dev_attr.attr,
+	NULL
+} };
+
+static const struct attribute_group it87_group_fan[3] = {
+	{ .attrs = it87_attributes_fan[0] },
+	{ .attrs = it87_attributes_fan[1] },
+	{ .attrs = it87_attributes_fan[2] },
+};
+
+static const struct attribute_group *
+it87_get_fan_group(const struct it87_data *data)
+{
+	return has_16bit_fans(data) ? it87_group_fan16 : it87_group_fan;
+}
 
+static struct attribute *it87_attributes_pwm[3][4+1] = { {
 	&sensor_dev_attr_pwm1_enable.dev_attr.attr,
-	&sensor_dev_attr_pwm2_enable.dev_attr.attr,
-	&sensor_dev_attr_pwm3_enable.dev_attr.attr,
 	&sensor_dev_attr_pwm1.dev_attr.attr,
-	&sensor_dev_attr_pwm2.dev_attr.attr,
-	&sensor_dev_attr_pwm3.dev_attr.attr,
 	&dev_attr_pwm1_freq.attr,
+	&sensor_dev_attr_pwm1_auto_channels_temp.dev_attr.attr,
+	NULL
+}, {
+	&sensor_dev_attr_pwm2_enable.dev_attr.attr,
+	&sensor_dev_attr_pwm2.dev_attr.attr,
 	&dev_attr_pwm2_freq.attr,
+	&sensor_dev_attr_pwm2_auto_channels_temp.dev_attr.attr,
+	NULL
+}, {
+	&sensor_dev_attr_pwm3_enable.dev_attr.attr,
+	&sensor_dev_attr_pwm3.dev_attr.attr,
 	&dev_attr_pwm3_freq.attr,
+	&sensor_dev_attr_pwm3_auto_channels_temp.dev_attr.attr,
+	NULL
+} };
+
+static const struct attribute_group it87_group_pwm[3] = {
+	{ .attrs = it87_attributes_pwm[0] },
+	{ .attrs = it87_attributes_pwm[1] },
+	{ .attrs = it87_attributes_pwm[2] },
+};
 
+static struct attribute *it87_attributes_autopwm[3][9+1] = { {
+	&sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
+	&sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
+	&sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
+	&sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr,
+	&sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,
+	&sensor_dev_attr_pwm1_auto_point1_temp_hyst.dev_attr.attr,
+	&sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
+	&sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
+	&sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr,
+	NULL
+}, {
+	&sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
+	&sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
+	&sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr,
+	&sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr,
+	&sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr,
+	&sensor_dev_attr_pwm2_auto_point1_temp_hyst.dev_attr.attr,
+	&sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,
+	&sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,
+	&sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr,
+	NULL
+}, {
+	&sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr,
+	&sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr,
+	&sensor_dev_attr_pwm3_auto_point3_pwm.dev_attr.attr,
+	&sensor_dev_attr_pwm3_auto_point4_pwm.dev_attr.attr,
+	&sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr,
+	&sensor_dev_attr_pwm3_auto_point1_temp_hyst.dev_attr.attr,
+	&sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr,
+	&sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr,
+	&sensor_dev_attr_pwm3_auto_point4_temp.dev_attr.attr,
+	NULL
+} };
+
+static const struct attribute_group it87_group_autopwm[3] = {
+	{ .attrs = it87_attributes_autopwm[0] },
+	{ .attrs = it87_attributes_autopwm[1] },
+	{ .attrs = it87_attributes_autopwm[2] },
+};
+
+static struct attribute *it87_attributes_fan_beep[] = {
+	&sensor_dev_attr_fan1_beep.dev_attr.attr,
+	&sensor_dev_attr_fan2_beep.dev_attr.attr,
+	&sensor_dev_attr_fan3_beep.dev_attr.attr,
+	&sensor_dev_attr_fan4_beep.dev_attr.attr,
+	&sensor_dev_attr_fan5_beep.dev_attr.attr,
+};
+
+static struct attribute *it87_attributes_vid[] = {
 	&dev_attr_vrm.attr,
 	&dev_attr_cpu0_vid.attr,
 	NULL
 };
 
-static const struct attribute_group it87_group_opt = {
-	.attrs = it87_attributes_opt,
+static const struct attribute_group it87_group_vid = {
+	.attrs = it87_attributes_vid,
 };
 
 /* SuperIO detection - will change isa_address if a chip is found */
@@ -1035,6 +1482,10 @@ static int __init it87_find(unsigned short *address,
 	if (sio_data->type == it87) {
 		/* The IT8705F doesn't have VID pins at all */
 		sio_data->skip_vid = 1;
+
+		/* The IT8705F has a different LD number for GPIO */
+		superio_select(5);
+		sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
 	} else {
 		int reg;
 
@@ -1068,7 +1519,11 @@ static int __init it87_find(unsigned short *address,
 			pr_info("it87: in3 is VCC (+5V)\n");
 		if (reg & (1 << 1))
 			pr_info("it87: in7 is VCCH (+5V Stand-By)\n");
+
+		sio_data->beep_pin = superio_inb(IT87_SIO_BEEP_PIN_REG) & 0x3f;
 	}
+	if (sio_data->beep_pin)
+		pr_info("it87: Beeping is supported\n");
 
 	/* Disable specific features based on DMI strings */
 	board_vendor = dmi_get_system_info(DMI_BOARD_VENDOR);
@@ -1093,14 +1548,46 @@ exit:
 	return err;
 }
 
+static void it87_remove_files(struct device *dev)
+{
+	struct it87_data *data = platform_get_drvdata(pdev);
+	struct it87_sio_data *sio_data = dev->platform_data;
+	const struct attribute_group *fan_group = it87_get_fan_group(data);
+	int i;
+
+	sysfs_remove_group(&dev->kobj, &it87_group);
+	if (sio_data->beep_pin)
+		sysfs_remove_group(&dev->kobj, &it87_group_beep);
+	for (i = 0; i < 5; i++) {
+		if (!(data->has_fan & (1 << i)))
+			continue;
+		sysfs_remove_group(&dev->kobj, &fan_group[i]);
+		if (sio_data->beep_pin)
+			sysfs_remove_file(&dev->kobj,
+					  it87_attributes_fan_beep[i]);
+	}
+	for (i = 0; i < 3; i++) {
+		if (sio_data->skip_pwm & (1 << 0))
+			continue;
+		sysfs_remove_group(&dev->kobj, &it87_group_pwm[i]);
+		if (has_old_autopwm(data))
+			sysfs_remove_group(&dev->kobj,
+					   &it87_group_autopwm[i]);
+	}
+	if (!sio_data->skip_vid)
+		sysfs_remove_group(&dev->kobj, &it87_group_vid);
+}
+
 static int __devinit it87_probe(struct platform_device *pdev)
 {
 	struct it87_data *data;
 	struct resource *res;
 	struct device *dev = &pdev->dev;
 	struct it87_sio_data *sio_data = dev->platform_data;
-	int err = 0;
+	const struct attribute_group *fan_group;
+	int err = 0, i;
 	int enable_pwm_interface;
+	int fan_beep_need_rw;
 	static const char *names[] = {
 		"it87",
 		"it8712",
@@ -1118,7 +1605,8 @@ static int __devinit it87_probe(struct platform_device *pdev)
 		goto ERROR0;
 	}
 
-	if (!(data = kzalloc(sizeof(struct it87_data), GFP_KERNEL))) {
+	data = kzalloc(sizeof(struct it87_data), GFP_KERNEL);
+	if (!data) {
 		err = -ENOMEM;
 		goto ERROR1;
 	}
@@ -1146,120 +1634,60 @@ static int __devinit it87_probe(struct platform_device *pdev)
 	it87_init_device(pdev);
 
 	/* Register sysfs hooks */
-	if ((err = sysfs_create_group(&dev->kobj, &it87_group)))
+	err = sysfs_create_group(&dev->kobj, &it87_group);
+	if (err)
 		goto ERROR2;
 
+	if (sio_data->beep_pin) {
+		err = sysfs_create_group(&dev->kobj, &it87_group_beep);
+		if (err)
+			goto ERROR4;
+	}
+
 	/* Do not create fan files for disabled fans */
-	if (has_16bit_fans(data)) {
-		/* 16-bit tachometers */
-		if (data->has_fan & (1 << 0)) {
-			if ((err = device_create_file(dev,
-			     &sensor_dev_attr_fan1_input16.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan1_min16.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan1_alarm.dev_attr)))
-				goto ERROR4;
-		}
-		if (data->has_fan & (1 << 1)) {
-			if ((err = device_create_file(dev,
-			     &sensor_dev_attr_fan2_input16.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan2_min16.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan2_alarm.dev_attr)))
-				goto ERROR4;
-		}
-		if (data->has_fan & (1 << 2)) {
-			if ((err = device_create_file(dev,
-			     &sensor_dev_attr_fan3_input16.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan3_min16.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan3_alarm.dev_attr)))
-				goto ERROR4;
-		}
-		if (data->has_fan & (1 << 3)) {
-			if ((err = device_create_file(dev,
-			     &sensor_dev_attr_fan4_input16.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan4_min16.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan4_alarm.dev_attr)))
-				goto ERROR4;
-		}
-		if (data->has_fan & (1 << 4)) {
-			if ((err = device_create_file(dev,
-			     &sensor_dev_attr_fan5_input16.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan5_min16.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan5_alarm.dev_attr)))
-				goto ERROR4;
-		}
-	} else {
-		/* 8-bit tachometers with clock divider */
-		if (data->has_fan & (1 << 0)) {
-			if ((err = device_create_file(dev,
-			     &sensor_dev_attr_fan1_input.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan1_min.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan1_div.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan1_alarm.dev_attr)))
-				goto ERROR4;
-		}
-		if (data->has_fan & (1 << 1)) {
-			if ((err = device_create_file(dev,
-			     &sensor_dev_attr_fan2_input.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan2_min.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan2_div.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan2_alarm.dev_attr)))
-				goto ERROR4;
-		}
-		if (data->has_fan & (1 << 2)) {
-			if ((err = device_create_file(dev,
-			     &sensor_dev_attr_fan3_input.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan3_min.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan3_div.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_fan3_alarm.dev_attr)))
+	fan_group = it87_get_fan_group(data);
+	fan_beep_need_rw = 1;
+	for (i = 0; i < 5; i++) {
+		if (!(data->has_fan & (1 << i)))
+			continue;
+		err = sysfs_create_group(&dev->kobj, &fan_group[i]);
+		if (err)
+			goto ERROR4;
+
+		if (sio_data->beep_pin) {
+			err = sysfs_create_file(&dev->kobj,
+						it87_attributes_fan_beep[i]);
+			if (err)
 				goto ERROR4;
+			if (!fan_beep_need_rw)
+				continue;
+
+			/* As we have a single beep enable bit for all fans,
+			 * only the first enabled fan has a writable attribute
+			 * for it. */
+			if (sysfs_chmod_file(&dev->kobj,
+					     it87_attributes_fan_beep[i],
+					     S_IRUGO | S_IWUSR))
+				dev_dbg(dev, "chmod +w fan%d_beep failed\n",
+					i + 1);
+			fan_beep_need_rw = 0;
 		}
 	}
 
 	if (enable_pwm_interface) {
-		if (!(sio_data->skip_pwm & (1 << 0))) {
-			if ((err = device_create_file(dev,
-			     &sensor_dev_attr_pwm1_enable.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_pwm1.dev_attr))
-			 || (err = device_create_file(dev,
-			     &dev_attr_pwm1_freq)))
-				goto ERROR4;
-		}
-		if (!(sio_data->skip_pwm & (1 << 1))) {
-			if ((err = device_create_file(dev,
-			     &sensor_dev_attr_pwm2_enable.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_pwm2.dev_attr))
-			 || (err = device_create_file(dev,
-			     &dev_attr_pwm2_freq)))
+		for (i = 0; i < 3; i++) {
+			if (sio_data->skip_pwm & (1 << i))
+				continue;
+			err = sysfs_create_group(&dev->kobj,
+						 &it87_group_pwm[i]);
+			if (err)
 				goto ERROR4;
-		}
-		if (!(sio_data->skip_pwm & (1 << 2))) {
-			if ((err = device_create_file(dev,
-			     &sensor_dev_attr_pwm3_enable.dev_attr))
-			 || (err = device_create_file(dev,
-			     &sensor_dev_attr_pwm3.dev_attr))
-			 || (err = device_create_file(dev,
-			     &dev_attr_pwm3_freq)))
+
+			if (!has_old_autopwm(data))
+				continue;
+			err = sysfs_create_group(&dev->kobj,
+						 &it87_group_autopwm[i]);
+			if (err)
 				goto ERROR4;
 		}
 	}
@@ -1268,10 +1696,8 @@ static int __devinit it87_probe(struct platform_device *pdev)
 		data->vrm = vid_which_vrm();
 		/* VID reading from Super-I/O config space if available */
 		data->vid = sio_data->vid_value;
-		if ((err = device_create_file(dev,
-		     &dev_attr_vrm))
-		 || (err = device_create_file(dev,
-		     &dev_attr_cpu0_vid)))
+		err = sysfs_create_group(&dev->kobj, &it87_group_vid);
+		if (err)
 			goto ERROR4;
 	}
 
@@ -1284,8 +1710,7 @@ static int __devinit it87_probe(struct platform_device *pdev)
 	return 0;
 
 ERROR4:
-	sysfs_remove_group(&dev->kobj, &it87_group);
-	sysfs_remove_group(&dev->kobj, &it87_group_opt);
+	it87_remove_files(dev);
 ERROR2:
 	platform_set_drvdata(pdev, NULL);
 	kfree(data);
@@ -1300,8 +1725,7 @@ static int __devexit it87_remove(struct platform_device *pdev)
 	struct it87_data *data = platform_get_drvdata(pdev);
 
 	hwmon_device_unregister(data->hwmon_dev);
-	sysfs_remove_group(&pdev->dev.kobj, &it87_group);
-	sysfs_remove_group(&pdev->dev.kobj, &it87_group_opt);
+	it87_remove_files(&pdev->dev);
 
 	release_region(data->addr, IT87_EC_EXTENT);
 	platform_set_drvdata(pdev, NULL);
@@ -1387,15 +1811,18 @@ static void __devinit it87_init_device(struct platform_device *pdev)
 	int tmp, i;
 	u8 mask;
 
-	/* initialize to sane defaults:
-	 * - if the chip is in manual pwm mode, this will be overwritten with
-	 *   the actual settings on the chip (so in this case, initialization
-	 *   is not needed)
-	 * - if in automatic or on/off mode, we could switch to manual mode,
-	 *   read the registers and set manual_pwm_ctl accordingly, but currently
-	 *   this is not implemented, so we initialize to something sane */
+	/* For each PWM channel:
+	 * - If it is in automatic mode, setting to manual mode should set
+	 *   the fan to full speed by default.
+	 * - If it is in manual mode, we need a mapping to temperature
+	 *   channels to use when later setting to automatic mode later.
+	 *   Use a 1:1 mapping by default (we are clueless.)
+	 * In both cases, the value can (and should) be changed by the user
+	 * prior to switching to a different mode. */
 	for (i = 0; i < 3; i++) {
-		data->manual_pwm_ctl[i] = 0xff;
+		data->pwm_temp_map[i] = i;
+		data->pwm_duty[i] = 0x7f;	/* Full speed */
+		data->auto_pwm[i][3] = 0x7f;	/* Full speed, hard-coded */
 	}
 
 	/* Some chips seem to have default value 0xff for all limit
@@ -1436,7 +1863,8 @@ static void __devinit it87_init_device(struct platform_device *pdev)
 	if ((data->fan_main_ctrl & mask) == 0) {
 		/* Enable all fan tachometers */
 		data->fan_main_ctrl |= mask;
-		it87_write_value(data, IT87_REG_FAN_MAIN_CTRL, data->fan_main_ctrl);
+		it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
+				 data->fan_main_ctrl);
 	}
 	data->has_fan = (data->fan_main_ctrl >> 4) & 0x07;
 
@@ -1461,30 +1889,32 @@ static void __devinit it87_init_device(struct platform_device *pdev)
 	/* Fan input pins may be used for alternative functions */
 	data->has_fan &= ~sio_data->skip_fan;
 
-	/* Set current fan mode registers and the default settings for the
-	 * other mode registers */
-	for (i = 0; i < 3; i++) {
-		if (data->fan_main_ctrl & (1 << i)) {
-			/* pwm mode */
-			tmp = it87_read_value(data, IT87_REG_PWM(i));
-			if (tmp & 0x80) {
-				/* automatic pwm - not yet implemented, but
-				 * leave the settings made by the BIOS alone
-				 * until a change is requested via the sysfs
-				 * interface */
-			} else {
-				/* manual pwm */
-				data->manual_pwm_ctl[i] = PWM_FROM_REG(tmp);
-			}
-		}
- 	}
-
 	/* Start monitoring */
 	it87_write_value(data, IT87_REG_CONFIG,
 			 (it87_read_value(data, IT87_REG_CONFIG) & 0x36)
 			 | (update_vbat ? 0x41 : 0x01));
 }
 
+static void it87_update_pwm_ctrl(struct it87_data *data, int nr)
+{
+	data->pwm_ctrl[nr] = it87_read_value(data, IT87_REG_PWM(nr));
+	if (data->pwm_ctrl[nr] & 0x80)	/* Automatic mode */
+		data->pwm_temp_map[nr] = data->pwm_ctrl[nr] & 0x03;
+	else				/* Manual mode */
+		data->pwm_duty[nr] = data->pwm_ctrl[nr] & 0x7f;
+
+	if (has_old_autopwm(data)) {
+		int i;
+
+		for (i = 0; i < 5 ; i++)
+			data->auto_temp[nr][i] = it87_read_value(data,
+						IT87_REG_AUTO_TEMP(nr, i));
+		for (i = 0; i < 3 ; i++)
+			data->auto_pwm[nr][i] = it87_read_value(data,
+						IT87_REG_AUTO_PWM(nr, i));
+	}
+}
+
 static struct it87_data *it87_update_device(struct device *dev)
 {
 	struct it87_data *data = dev_get_drvdata(dev);
@@ -1494,24 +1924,22 @@ static struct it87_data *it87_update_device(struct device *dev)
 
 	if (time_after(jiffies, data->last_updated + HZ + HZ / 2)
 	    || !data->valid) {
-
 		if (update_vbat) {
 			/* Cleared after each update, so reenable.  Value
-		 	  returned by this read will be previous value */	
+			   returned by this read will be previous value */
 			it87_write_value(data, IT87_REG_CONFIG,
-			   it87_read_value(data, IT87_REG_CONFIG) | 0x40);
+				it87_read_value(data, IT87_REG_CONFIG) | 0x40);
 		}
 		for (i = 0; i <= 7; i++) {
 			data->in[i] =
-			    it87_read_value(data, IT87_REG_VIN(i));
+				it87_read_value(data, IT87_REG_VIN(i));
 			data->in_min[i] =
-			    it87_read_value(data, IT87_REG_VIN_MIN(i));
+				it87_read_value(data, IT87_REG_VIN_MIN(i));
 			data->in_max[i] =
-			    it87_read_value(data, IT87_REG_VIN_MAX(i));
+				it87_read_value(data, IT87_REG_VIN_MAX(i));
 		}
 		/* in8 (battery) has no limit registers */
-		data->in[8] =
-		    it87_read_value(data, IT87_REG_VIN(8));
+		data->in[8] = it87_read_value(data, IT87_REG_VIN(8));
 
 		for (i = 0; i < 5; i++) {
 			/* Skip disabled fans */
@@ -1519,7 +1947,7 @@ static struct it87_data *it87_update_device(struct device *dev)
 				continue;
 
 			data->fan_min[i] =
-			    it87_read_value(data, IT87_REG_FAN_MIN[i]);
+				it87_read_value(data, IT87_REG_FAN_MIN[i]);
 			data->fan[i] = it87_read_value(data,
 				       IT87_REG_FAN[i]);
 			/* Add high byte if in 16-bit mode */
@@ -1532,11 +1960,11 @@ static struct it87_data *it87_update_device(struct device *dev)
 		}
 		for (i = 0; i < 3; i++) {
 			data->temp[i] =
-			    it87_read_value(data, IT87_REG_TEMP(i));
+				it87_read_value(data, IT87_REG_TEMP(i));
 			data->temp_high[i] =
-			    it87_read_value(data, IT87_REG_TEMP_HIGH(i));
+				it87_read_value(data, IT87_REG_TEMP_HIGH(i));
 			data->temp_low[i] =
-			    it87_read_value(data, IT87_REG_TEMP_LOW(i));
+				it87_read_value(data, IT87_REG_TEMP_LOW(i));
 		}
 
 		/* Newer chips don't have clock dividers */
@@ -1551,9 +1979,13 @@ static struct it87_data *it87_update_device(struct device *dev)
 			it87_read_value(data, IT87_REG_ALARM1) |
 			(it87_read_value(data, IT87_REG_ALARM2) << 8) |
 			(it87_read_value(data, IT87_REG_ALARM3) << 16);
+		data->beeps = it87_read_value(data, IT87_REG_BEEP_ENABLE);
+
 		data->fan_main_ctrl = it87_read_value(data,
 				IT87_REG_FAN_MAIN_CTRL);
 		data->fan_ctl = it87_read_value(data, IT87_REG_FAN_CTL);
+		for (i = 0; i < 3; i++)
+			it87_update_pwm_ctrl(data, i);
 
 		data->sensor = it87_read_value(data, IT87_REG_TEMP_ENABLE);
 		/* The 8705 does not have VID capability.
@@ -1628,7 +2060,7 @@ exit:
 static int __init sm_it87_init(void)
 {
 	int err;
-	unsigned short isa_address=0;
+	unsigned short isa_address = 0;
 	struct it87_sio_data sio_data;
 
 	memset(&sio_data, 0, sizeof(struct it87_sio_data));
@@ -1640,7 +2072,7 @@ static int __init sm_it87_init(void)
 		return err;
 
 	err = it87_device_add(isa_address, &sio_data);
-	if (err){
+	if (err) {
 		platform_driver_unregister(&it87_driver);
 		return err;
 	}
@@ -1661,7 +2093,8 @@ MODULE_DESCRIPTION("IT8705F/8712F/8716F/8718F/8720F/8726F, SiS950 driver");
 module_param(update_vbat, bool, 0);
 MODULE_PARM_DESC(update_vbat, "Update vbat if set else return powerup value");
 module_param(fix_pwm_polarity, bool, 0);
-MODULE_PARM_DESC(fix_pwm_polarity, "Force PWM polarity to active high (DANGEROUS)");
+MODULE_PARM_DESC(fix_pwm_polarity,
+		 "Force PWM polarity to active high (DANGEROUS)");
 MODULE_LICENSE("GPL");
 
 module_init(sm_it87_init);
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 7c9bdc167426..7cc2708871ab 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -1,7 +1,7 @@
 /*
  * lm90.c - Part of lm_sensors, Linux kernel modules for hardware
  *          monitoring
- * Copyright (C) 2003-2009  Jean Delvare <khali@linux-fr.org>
+ * Copyright (C) 2003-2010  Jean Delvare <khali@linux-fr.org>
  *
  * Based on the lm83 driver. The LM90 is a sensor chip made by National
  * Semiconductor. It reports up to two temperatures (its own plus up to
@@ -93,7 +93,8 @@
 static const unsigned short normal_i2c[] = {
 	0x18, 0x19, 0x1a, 0x29, 0x2a, 0x2b, 0x4c, 0x4d, 0x4e, I2C_CLIENT_END };
 
-enum chips { lm90, adm1032, lm99, lm86, max6657, adt7461, max6680, max6646 };
+enum chips { lm90, adm1032, lm99, lm86, max6657, adt7461, max6680, max6646,
+	w83l771 };
 
 /*
  * The LM90 registers
@@ -151,6 +152,7 @@ static int lm90_detect(struct i2c_client *client, struct i2c_board_info *info);
 static int lm90_probe(struct i2c_client *client,
 		      const struct i2c_device_id *id);
 static void lm90_init_client(struct i2c_client *client);
+static void lm90_alert(struct i2c_client *client, unsigned int flag);
 static int lm90_remove(struct i2c_client *client);
 static struct lm90_data *lm90_update_device(struct device *dev);
 
@@ -173,6 +175,7 @@ static const struct i2c_device_id lm90_id[] = {
 	{ "max6659", max6657 },
 	{ "max6680", max6680 },
 	{ "max6681", max6680 },
+	{ "w83l771", w83l771 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, lm90_id);
@@ -184,6 +187,7 @@ static struct i2c_driver lm90_driver = {
 	},
 	.probe		= lm90_probe,
 	.remove		= lm90_remove,
+	.alert		= lm90_alert,
 	.id_table	= lm90_id,
 	.detect		= lm90_detect,
 	.address_list	= normal_i2c,
@@ -201,6 +205,9 @@ struct lm90_data {
 	int kind;
 	int flags;
 
+	u8 config_orig;		/* Original configuration register value */
+	u8 alert_alarms;	/* Which alarm bits trigger ALERT# */
+
 	/* registers values */
 	s8 temp8[4];	/* 0: local low limit
 			   1: local high limit
@@ -758,6 +765,14 @@ static int lm90_detect(struct i2c_client *new_client,
 		 && reg_convrate <= 0x07) {
 			name = "max6646";
 		}
+	} else
+	if (address == 0x4C
+	 && man_id == 0x5C) { /* Winbond/Nuvoton */
+		if ((chip_id & 0xFE) == 0x10 /* W83L771AWG/ASG */
+		 && (reg_config1 & 0x2A) == 0x00
+		 && reg_convrate <= 0x08) {
+			name = "w83l771";
+		}
 	}
 
 	if (!name) { /* identification failed */
@@ -794,6 +809,19 @@ static int lm90_probe(struct i2c_client *new_client,
 			new_client->flags &= ~I2C_CLIENT_PEC;
 	}
 
+	/* Different devices have different alarm bits triggering the
+	 * ALERT# output */
+	switch (data->kind) {
+	case lm90:
+	case lm99:
+	case lm86:
+		data->alert_alarms = 0x7b;
+		break;
+	default:
+		data->alert_alarms = 0x7c;
+		break;
+	}
+
 	/* Initialize the LM90 chip */
 	lm90_init_client(new_client);
 
@@ -830,7 +858,7 @@ exit:
 
 static void lm90_init_client(struct i2c_client *client)
 {
-	u8 config, config_orig;
+	u8 config;
 	struct lm90_data *data = i2c_get_clientdata(client);
 
 	/*
@@ -842,7 +870,7 @@ static void lm90_init_client(struct i2c_client *client)
 		dev_warn(&client->dev, "Initialization failed!\n");
 		return;
 	}
-	config_orig = config;
+	data->config_orig = config;
 
 	/* Check Temperature Range Select */
 	if (data->kind == adt7461) {
@@ -860,7 +888,7 @@ static void lm90_init_client(struct i2c_client *client)
 	}
 
 	config &= 0xBF;	/* run */
-	if (config != config_orig) /* Only write if changed */
+	if (config != data->config_orig) /* Only write if changed */
 		i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1, config);
 }
 
@@ -875,10 +903,46 @@ static int lm90_remove(struct i2c_client *client)
 		device_remove_file(&client->dev,
 				   &sensor_dev_attr_temp2_offset.dev_attr);
 
+	/* Restore initial configuration */
+	i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1,
+				  data->config_orig);
+
 	kfree(data);
 	return 0;
 }
 
+static void lm90_alert(struct i2c_client *client, unsigned int flag)
+{
+	struct lm90_data *data = i2c_get_clientdata(client);
+	u8 config, alarms;
+
+	lm90_read_reg(client, LM90_REG_R_STATUS, &alarms);
+	if ((alarms & 0x7f) == 0) {
+		dev_info(&client->dev, "Everything OK\n");
+	} else {
+		if (alarms & 0x61)
+			dev_warn(&client->dev,
+				 "temp%d out of range, please check!\n", 1);
+		if (alarms & 0x1a)
+			dev_warn(&client->dev,
+				 "temp%d out of range, please check!\n", 2);
+		if (alarms & 0x04)
+			dev_warn(&client->dev,
+				 "temp%d diode open, please check!\n", 2);
+
+		/* Disable ALERT# output, because these chips don't implement
+		  SMBus alert correctly; they should only hold the alert line
+		  low briefly. */
+		if ((data->kind == adm1032 || data->kind == adt7461)
+		 && (alarms & data->alert_alarms)) {
+			dev_dbg(&client->dev, "Disabling ALERT#\n");
+			lm90_read_reg(client, LM90_REG_R_CONFIG1, &config);
+			i2c_smbus_write_byte_data(client, LM90_REG_W_CONFIG1,
+						  config | 0x80);
+		}
+	}
+}
+
 static int lm90_read16(struct i2c_client *client, u8 regh, u8 regl, u16 *value)
 {
 	int err;
@@ -966,6 +1030,21 @@ static struct lm90_data *lm90_update_device(struct device *dev)
 		}
 		lm90_read_reg(client, LM90_REG_R_STATUS, &data->alarms);
 
+		/* Re-enable ALERT# output if it was originally enabled and
+		 * relevant alarms are all clear */
+		if ((data->config_orig & 0x80) == 0
+		 && (data->alarms & data->alert_alarms) == 0) {
+			u8 config;
+
+			lm90_read_reg(client, LM90_REG_R_CONFIG1, &config);
+			if (config & 0x80) {
+				dev_dbg(&client->dev, "Re-enabling ALERT#\n");
+				i2c_smbus_write_byte_data(client,
+							  LM90_REG_W_CONFIG1,
+							  config & ~0x80);
+			}
+		}
+
 		data->last_updated = jiffies;
 		data->valid = 1;
 	}
diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c
index a13b30e8d8d8..d14a1af9f550 100644
--- a/drivers/hwmon/tmp401.c
+++ b/drivers/hwmon/tmp401.c
@@ -134,7 +134,7 @@ struct tmp401_data {
 	struct mutex update_lock;
 	char valid; /* zero until following fields are valid */
 	unsigned long last_updated; /* in jiffies */
-	int kind;
+	enum chips kind;
 
 	/* register values */
 	u8 status;
@@ -524,7 +524,7 @@ static int tmp401_detect(struct i2c_client *client,
 	if (reg > 15)
 		return -ENODEV;
 
-	strlcpy(info->type, tmp401_id[kind - 1].name, I2C_NAME_SIZE);
+	strlcpy(info->type, tmp401_id[kind].name, I2C_NAME_SIZE);
 
 	return 0;
 }
@@ -572,8 +572,7 @@ static int tmp401_probe(struct i2c_client *client,
 		goto exit_remove;
 	}
 
-	dev_info(&client->dev, "Detected TI %s chip\n",
-		 names[data->kind - 1]);
+	dev_info(&client->dev, "Detected TI %s chip\n", names[data->kind]);
 
 	return 0;
 
diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c
index 4f7c051e2d7b..738c472ece27 100644
--- a/drivers/hwmon/tmp421.c
+++ b/drivers/hwmon/tmp421.c
@@ -61,9 +61,9 @@ static const u8 TMP421_TEMP_LSB[4]		= { 0x10, 0x11, 0x12, 0x13 };
 #define TMP423_DEVICE_ID			0x23
 
 static const struct i2c_device_id tmp421_id[] = {
-	{ "tmp421", tmp421 },
-	{ "tmp422", tmp422 },
-	{ "tmp423", tmp423 },
+	{ "tmp421", 2 },
+	{ "tmp422", 3 },
+	{ "tmp423", 4 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, tmp421_id);
@@ -73,21 +73,23 @@ struct tmp421_data {
 	struct mutex update_lock;
 	char valid;
 	unsigned long last_updated;
-	int kind;
+	int channels;
 	u8 config;
 	s16 temp[4];
 };
 
 static int temp_from_s16(s16 reg)
 {
-	int temp = reg;
+	/* Mask out status bits */
+	int temp = reg & ~0xf;
 
 	return (temp * 1000 + 128) / 256;
 }
 
 static int temp_from_u16(u16 reg)
 {
-	int temp = reg;
+	/* Mask out status bits */
+	int temp = reg & ~0xf;
 
 	/* Add offset for extended temperature range. */
 	temp -= 64 * 256;
@@ -107,7 +109,7 @@ static struct tmp421_data *tmp421_update_device(struct device *dev)
 		data->config = i2c_smbus_read_byte_data(client,
 			TMP421_CONFIG_REG_1);
 
-		for (i = 0; i <= data->kind; i++) {
+		for (i = 0; i < data->channels; i++) {
 			data->temp[i] = i2c_smbus_read_byte_data(client,
 				TMP421_TEMP_MSB[i]) << 8;
 			data->temp[i] |= i2c_smbus_read_byte_data(client,
@@ -166,7 +168,7 @@ static mode_t tmp421_is_visible(struct kobject *kobj, struct attribute *a,
 	devattr = container_of(a, struct device_attribute, attr);
 	index = to_sensor_dev_attr(devattr)->index;
 
-	if (data->kind > index)
+	if (index < data->channels)
 		return a->mode;
 
 	return 0;
@@ -252,9 +254,9 @@ static int tmp421_detect(struct i2c_client *client,
 		return -ENODEV;
 	}
 
-	strlcpy(info->type, tmp421_id[kind - 1].name, I2C_NAME_SIZE);
+	strlcpy(info->type, tmp421_id[kind].name, I2C_NAME_SIZE);
 	dev_info(&adapter->dev, "Detected TI %s chip at 0x%02x\n",
-		 names[kind - 1], client->addr);
+		 names[kind], client->addr);
 
 	return 0;
 }
@@ -271,7 +273,7 @@ static int tmp421_probe(struct i2c_client *client,
 
 	i2c_set_clientdata(client, data);
 	mutex_init(&data->update_lock);
-	data->kind = id->driver_data;
+	data->channels = id->driver_data;
 
 	err = tmp421_init_client(client);
 	if (err)
diff --git a/drivers/hwmon/vt8231.c b/drivers/hwmon/vt8231.c
index d47b4c9949c2..e6078c9f0e27 100644
--- a/drivers/hwmon/vt8231.c
+++ b/drivers/hwmon/vt8231.c
@@ -948,8 +948,7 @@ static int __devinit vt8231_pci_probe(struct pci_dev *dev,
 
 	address = val & ~(VT8231_EXTENT - 1);
 	if (address == 0) {
-		dev_err(&dev->dev, "base address not set -\
-				 upgrade BIOS or use force_addr=0xaddr\n");
+		dev_err(&dev->dev, "base address not set - upgrade BIOS or use force_addr=0xaddr\n");
 		return -ENODEV;
 	}
 
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c
index 9a2022b67495..612807d97155 100644
--- a/drivers/hwmon/w83793.c
+++ b/drivers/hwmon/w83793.c
@@ -3,6 +3,10 @@
     Copyright (C) 2006 Winbond Electronics Corp.
                   Yuan Mu
                   Rudolf Marek <r.marek@assembler.cz>
+    Copyright (C) 2009-2010 Sven Anders <anders@anduras.de>, ANDURAS AG.
+		  Watchdog driver part
+		  (Based partially on fschmd driver,
+		   Copyright 2007-2008 by Hans de Goede)
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -35,6 +39,16 @@
 #include <linux/hwmon-sysfs.h>
 #include <linux/err.h>
 #include <linux/mutex.h>
+#include <linux/fs.h>
+#include <linux/watchdog.h>
+#include <linux/miscdevice.h>
+#include <linux/uaccess.h>
+#include <linux/kref.h>
+#include <linux/notifier.h>
+#include <linux/reboot.h>
+
+/* Default values */
+#define WATCHDOG_TIMEOUT 2	/* 2 minute default timeout */
 
 /* Addresses to scan */
 static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, 0x2f,
@@ -51,6 +65,18 @@ static int reset;
 module_param(reset, bool, 0);
 MODULE_PARM_DESC(reset, "Set to 1 to reset chip, not recommended");
 
+static int timeout = WATCHDOG_TIMEOUT;	/* default timeout in minutes */
+module_param(timeout, int, 0);
+MODULE_PARM_DESC(timeout,
+	"Watchdog timeout in minutes. 2<= timeout <=255 (default="
+				__MODULE_STRING(WATCHDOG_TIMEOUT) ")");
+
+static int nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout,
+	"Watchdog cannot be stopped once started (default="
+				__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
 /*
    Address 0x00, 0x0d, 0x0e, 0x0f in all three banks are reserved
    as ID, Bank Select registers
@@ -72,6 +98,11 @@ MODULE_PARM_DESC(reset, "Set to 1 to reset chip, not recommended");
 #define W83793_REG_VID_LATCHB		0x08
 #define W83793_REG_VID_CTRL		0x59
 
+#define W83793_REG_WDT_LOCK		0x01
+#define W83793_REG_WDT_ENABLE		0x02
+#define W83793_REG_WDT_STATUS		0x03
+#define W83793_REG_WDT_TIMEOUT		0x04
+
 static u16 W83793_REG_TEMP_MODE[2] = { 0x5e, 0x5f };
 
 #define TEMP_READ	0
@@ -223,8 +254,37 @@ struct w83793_data {
 	u8 tolerance[3];	/* Temp tolerance(Smart Fan I/II) */
 	u8 sf2_pwm[6][7];	/* Smart FanII: Fan duty cycle */
 	u8 sf2_temp[6][7];	/* Smart FanII: Temp level point */
+
+	/* watchdog */
+	struct i2c_client *client;
+	struct mutex watchdog_lock;
+	struct list_head list; /* member of the watchdog_data_list */
+	struct kref kref;
+	struct miscdevice watchdog_miscdev;
+	unsigned long watchdog_is_open;
+	char watchdog_expect_close;
+	char watchdog_name[10]; /* must be unique to avoid sysfs conflict */
+	unsigned int watchdog_caused_reboot;
+	int watchdog_timeout; /* watchdog timeout in minutes */
 };
 
+/* Somewhat ugly :( global data pointer list with all devices, so that
+   we can find our device data as when using misc_register. There is no
+   other method to get to one's device data from the open file-op and
+   for usage in the reboot notifier callback. */
+static LIST_HEAD(watchdog_data_list);
+
+/* Note this lock not only protect list access, but also data.kref access */
+static DEFINE_MUTEX(watchdog_data_mutex);
+
+/* Release our data struct when we're detached from the i2c client *and* all
+   references to our watchdog device are released */
+static void w83793_release_resources(struct kref *ref)
+{
+	struct w83793_data *data = container_of(ref, struct w83793_data, kref);
+	kfree(data);
+}
+
 static u8 w83793_read_value(struct i2c_client *client, u16 reg);
 static int w83793_write_value(struct i2c_client *client, u16 reg, u8 value);
 static int w83793_probe(struct i2c_client *client,
@@ -1063,14 +1123,349 @@ static void w83793_init_client(struct i2c_client *client)
 	/* Start monitoring */
 	w83793_write_value(client, W83793_REG_CONFIG,
 			   w83793_read_value(client, W83793_REG_CONFIG) | 0x01);
+}
+
+/*
+ * Watchdog routines
+ */
+
+static int watchdog_set_timeout(struct w83793_data *data, int timeout)
+{
+	int ret, mtimeout;
+
+	mtimeout = DIV_ROUND_UP(timeout, 60);
+
+	if (mtimeout > 255)
+		return -EINVAL;
+
+	mutex_lock(&data->watchdog_lock);
+	if (!data->client) {
+		ret = -ENODEV;
+		goto leave;
+	}
+
+	data->watchdog_timeout = mtimeout;
+
+	/* Set Timeout value (in Minutes) */
+	w83793_write_value(data->client, W83793_REG_WDT_TIMEOUT,
+			   data->watchdog_timeout);
+
+	ret = mtimeout * 60;
+
+leave:
+	mutex_unlock(&data->watchdog_lock);
+	return ret;
+}
+
+static int watchdog_get_timeout(struct w83793_data *data)
+{
+	int timeout;
+
+	mutex_lock(&data->watchdog_lock);
+	timeout = data->watchdog_timeout * 60;
+	mutex_unlock(&data->watchdog_lock);
+
+	return timeout;
+}
+
+static int watchdog_trigger(struct w83793_data *data)
+{
+	int ret = 0;
+
+	mutex_lock(&data->watchdog_lock);
+	if (!data->client) {
+		ret = -ENODEV;
+		goto leave;
+	}
+
+	/* Set Timeout value (in Minutes) */
+	w83793_write_value(data->client, W83793_REG_WDT_TIMEOUT,
+			   data->watchdog_timeout);
+
+leave:
+	mutex_unlock(&data->watchdog_lock);
+	return ret;
+}
+
+static int watchdog_enable(struct w83793_data *data)
+{
+	int ret = 0;
+
+	mutex_lock(&data->watchdog_lock);
+	if (!data->client) {
+		ret = -ENODEV;
+		goto leave;
+	}
+
+	/* Set initial timeout */
+	w83793_write_value(data->client, W83793_REG_WDT_TIMEOUT,
+			   data->watchdog_timeout);
+
+	/* Enable Soft Watchdog */
+	w83793_write_value(data->client, W83793_REG_WDT_LOCK, 0x55);
+
+leave:
+	mutex_unlock(&data->watchdog_lock);
+	return ret;
+}
+
+static int watchdog_disable(struct w83793_data *data)
+{
+	int ret = 0;
+
+	mutex_lock(&data->watchdog_lock);
+	if (!data->client) {
+		ret = -ENODEV;
+		goto leave;
+	}
+
+	/* Disable Soft Watchdog */
+	w83793_write_value(data->client, W83793_REG_WDT_LOCK, 0xAA);
+
+leave:
+	mutex_unlock(&data->watchdog_lock);
+	return ret;
+}
+
+static int watchdog_open(struct inode *inode, struct file *filp)
+{
+	struct w83793_data *pos, *data = NULL;
+	int watchdog_is_open;
+
+	/* We get called from drivers/char/misc.c with misc_mtx hold, and we
+	   call misc_register() from  w83793_probe() with watchdog_data_mutex
+	   hold, as misc_register() takes the misc_mtx lock, this is a possible
+	   deadlock, so we use mutex_trylock here. */
+	if (!mutex_trylock(&watchdog_data_mutex))
+		return -ERESTARTSYS;
+	list_for_each_entry(pos, &watchdog_data_list, list) {
+		if (pos->watchdog_miscdev.minor == iminor(inode)) {
+			data = pos;
+			break;
+		}
+	}
+
+	/* Check, if device is already open */
+	watchdog_is_open = test_and_set_bit(0, &data->watchdog_is_open);
+
+	/* Increase data reference counter (if not already done).
+	   Note we can never not have found data, so we don't check for this */
+	if (!watchdog_is_open)
+		kref_get(&data->kref);
+
+	mutex_unlock(&watchdog_data_mutex);
+
+	/* Check, if device is already open and possibly issue error */
+	if (watchdog_is_open)
+		return -EBUSY;
+
+	/* Enable Soft Watchdog */
+	watchdog_enable(data);
+
+	/* Store pointer to data into filp's private data */
+	filp->private_data = data;
+
+	return nonseekable_open(inode, filp);
+}
+
+static int watchdog_close(struct inode *inode, struct file *filp)
+{
+	struct w83793_data *data = filp->private_data;
 
+	if (data->watchdog_expect_close) {
+		watchdog_disable(data);
+		data->watchdog_expect_close = 0;
+	} else {
+		watchdog_trigger(data);
+		dev_crit(&data->client->dev,
+			"unexpected close, not stopping watchdog!\n");
+	}
+
+	clear_bit(0, &data->watchdog_is_open);
+
+	/* Decrease data reference counter */
+	mutex_lock(&watchdog_data_mutex);
+	kref_put(&data->kref, w83793_release_resources);
+	mutex_unlock(&watchdog_data_mutex);
+
+	return 0;
+}
+
+static ssize_t watchdog_write(struct file *filp, const char __user *buf,
+	size_t count, loff_t *offset)
+{
+	ssize_t ret;
+	struct w83793_data *data = filp->private_data;
+
+	if (count) {
+		if (!nowayout) {
+			size_t i;
+
+			/* Clear it in case it was set with a previous write */
+			data->watchdog_expect_close = 0;
+
+			for (i = 0; i != count; i++) {
+				char c;
+				if (get_user(c, buf + i))
+					return -EFAULT;
+				if (c == 'V')
+					data->watchdog_expect_close = 1;
+			}
+		}
+		ret = watchdog_trigger(data);
+		if (ret < 0)
+			return ret;
+	}
+	return count;
+}
+
+static int watchdog_ioctl(struct inode *inode, struct file *filp,
+			  unsigned int cmd, unsigned long arg)
+{
+	static struct watchdog_info ident = {
+		.options = WDIOF_KEEPALIVEPING |
+			   WDIOF_SETTIMEOUT |
+			   WDIOF_CARDRESET,
+		.identity = "w83793 watchdog"
+	};
+
+	int val, ret = 0;
+	struct w83793_data *data = filp->private_data;
+
+	switch (cmd) {
+	case WDIOC_GETSUPPORT:
+		if (!nowayout)
+			ident.options |= WDIOF_MAGICCLOSE;
+		if (copy_to_user((void __user *)arg, &ident, sizeof(ident)))
+			ret = -EFAULT;
+		break;
+
+	case WDIOC_GETSTATUS:
+		val = data->watchdog_caused_reboot ? WDIOF_CARDRESET : 0;
+		ret = put_user(val, (int __user *)arg);
+		break;
+
+	case WDIOC_GETBOOTSTATUS:
+		ret = put_user(0, (int __user *)arg);
+		break;
+
+	case WDIOC_KEEPALIVE:
+		ret = watchdog_trigger(data);
+		break;
+
+	case WDIOC_GETTIMEOUT:
+		val = watchdog_get_timeout(data);
+		ret = put_user(val, (int __user *)arg);
+		break;
+
+	case WDIOC_SETTIMEOUT:
+		if (get_user(val, (int __user *)arg)) {
+			ret = -EFAULT;
+			break;
+		}
+		ret = watchdog_set_timeout(data, val);
+		if (ret > 0)
+			ret = put_user(ret, (int __user *)arg);
+		break;
+
+	case WDIOC_SETOPTIONS:
+		if (get_user(val, (int __user *)arg)) {
+			ret = -EFAULT;
+			break;
+		}
+
+		if (val & WDIOS_DISABLECARD)
+			ret = watchdog_disable(data);
+		else if (val & WDIOS_ENABLECARD)
+			ret = watchdog_enable(data);
+		else
+			ret = -EINVAL;
+
+		break;
+	default:
+		ret = -ENOTTY;
+	}
+
+	return ret;
+}
+
+static const struct file_operations watchdog_fops = {
+	.owner = THIS_MODULE,
+	.llseek = no_llseek,
+	.open = watchdog_open,
+	.release = watchdog_close,
+	.write = watchdog_write,
+	.ioctl = watchdog_ioctl,
+};
+
+/*
+ *	Notifier for system down
+ */
+
+static int watchdog_notify_sys(struct notifier_block *this, unsigned long code,
+			       void *unused)
+{
+	struct w83793_data *data = NULL;
+
+	if (code == SYS_DOWN || code == SYS_HALT) {
+
+		/* Disable each registered watchdog */
+		mutex_lock(&watchdog_data_mutex);
+		list_for_each_entry(data, &watchdog_data_list, list) {
+			if (data->watchdog_miscdev.minor)
+				watchdog_disable(data);
+		}
+		mutex_unlock(&watchdog_data_mutex);
+	}
+
+	return NOTIFY_DONE;
 }
 
+/*
+ *	The WDT needs to learn about soft shutdowns in order to
+ *	turn the timebomb registers off.
+ */
+
+static struct notifier_block watchdog_notifier = {
+	.notifier_call = watchdog_notify_sys,
+};
+
+/*
+ * Init / remove routines
+ */
+
 static int w83793_remove(struct i2c_client *client)
 {
 	struct w83793_data *data = i2c_get_clientdata(client);
 	struct device *dev = &client->dev;
-	int i;
+	int i, tmp;
+
+	/* Unregister the watchdog (if registered) */
+	if (data->watchdog_miscdev.minor) {
+		misc_deregister(&data->watchdog_miscdev);
+
+		if (data->watchdog_is_open) {
+			dev_warn(&client->dev,
+				"i2c client detached with watchdog open! "
+				"Stopping watchdog.\n");
+			watchdog_disable(data);
+		}
+
+		mutex_lock(&watchdog_data_mutex);
+		list_del(&data->list);
+		mutex_unlock(&watchdog_data_mutex);
+
+		/* Tell the watchdog code the client is gone */
+		mutex_lock(&data->watchdog_lock);
+		data->client = NULL;
+		mutex_unlock(&data->watchdog_lock);
+	}
+
+	/* Reset Configuration Register to Disable Watch Dog Registers */
+	tmp = w83793_read_value(client, W83793_REG_CONFIG);
+	w83793_write_value(client, W83793_REG_CONFIG, tmp & ~0x04);
+
+	unregister_reboot_notifier(&watchdog_notifier);
 
 	hwmon_device_unregister(data->hwmon_dev);
 
@@ -1099,7 +1494,10 @@ static int w83793_remove(struct i2c_client *client)
 	if (data->lm75[1] != NULL)
 		i2c_unregister_device(data->lm75[1]);
 
-	kfree(data);
+	/* Decrease data reference counter */
+	mutex_lock(&watchdog_data_mutex);
+	kref_put(&data->kref, w83793_release_resources);
+	mutex_unlock(&watchdog_data_mutex);
 
 	return 0;
 }
@@ -1203,6 +1601,7 @@ static int w83793_probe(struct i2c_client *client,
 			const struct i2c_device_id *id)
 {
 	struct device *dev = &client->dev;
+	const int watchdog_minors[] = { WATCHDOG_MINOR, 212, 213, 214, 215 };
 	struct w83793_data *data;
 	int i, tmp, val, err;
 	int files_fan = ARRAY_SIZE(w83793_left_fan) / 7;
@@ -1218,6 +1617,14 @@ static int w83793_probe(struct i2c_client *client,
 	i2c_set_clientdata(client, data);
 	data->bank = i2c_smbus_read_byte_data(client, W83793_REG_BANKSEL);
 	mutex_init(&data->update_lock);
+	mutex_init(&data->watchdog_lock);
+	INIT_LIST_HEAD(&data->list);
+	kref_init(&data->kref);
+
+	/* Store client pointer in our data struct for watchdog usage
+	   (where the client is found through a data ptr instead of the
+	   otherway around) */
+	data->client = client;
 
 	err = w83793_detect_subclients(client);
 	if (err)
@@ -1380,8 +1787,77 @@ static int w83793_probe(struct i2c_client *client,
 		goto exit_remove;
 	}
 
+	/* Watchdog initialization */
+
+	/* Register boot notifier */
+	err = register_reboot_notifier(&watchdog_notifier);
+	if (err != 0) {
+		dev_err(&client->dev,
+			"cannot register reboot notifier (err=%d)\n", err);
+		goto exit_devunreg;
+	}
+
+	/* Enable Watchdog registers.
+	   Set Configuration Register to Enable Watch Dog Registers
+	   (Bit 2) = XXXX, X1XX. */
+	tmp = w83793_read_value(client, W83793_REG_CONFIG);
+	w83793_write_value(client, W83793_REG_CONFIG, tmp | 0x04);
+
+	/* Set the default watchdog timeout */
+	data->watchdog_timeout = timeout;
+
+	/* Check, if last reboot was caused by watchdog */
+	data->watchdog_caused_reboot =
+	  w83793_read_value(data->client, W83793_REG_WDT_STATUS) & 0x01;
+
+	/* Disable Soft Watchdog during initialiation */
+	watchdog_disable(data);
+
+	/* We take the data_mutex lock early so that watchdog_open() cannot
+	   run when misc_register() has completed, but we've not yet added
+	   our data to the watchdog_data_list (and set the default timeout) */
+	mutex_lock(&watchdog_data_mutex);
+	for (i = 0; i < ARRAY_SIZE(watchdog_minors); i++) {
+		/* Register our watchdog part */
+		snprintf(data->watchdog_name, sizeof(data->watchdog_name),
+			"watchdog%c", (i == 0) ? '\0' : ('0' + i));
+		data->watchdog_miscdev.name = data->watchdog_name;
+		data->watchdog_miscdev.fops = &watchdog_fops;
+		data->watchdog_miscdev.minor = watchdog_minors[i];
+
+		err = misc_register(&data->watchdog_miscdev);
+		if (err == -EBUSY)
+			continue;
+		if (err) {
+			data->watchdog_miscdev.minor = 0;
+			dev_err(&client->dev,
+				"Registering watchdog chardev: %d\n", err);
+			break;
+		}
+
+		list_add(&data->list, &watchdog_data_list);
+
+		dev_info(&client->dev,
+			"Registered watchdog chardev major 10, minor: %d\n",
+			watchdog_minors[i]);
+		break;
+	}
+	if (i == ARRAY_SIZE(watchdog_minors)) {
+		data->watchdog_miscdev.minor = 0;
+		dev_warn(&client->dev, "Couldn't register watchdog chardev "
+			"(due to no free minor)\n");
+	}
+
+	mutex_unlock(&watchdog_data_mutex);
+
 	return 0;
 
+	/* Unregister hwmon device */
+
+exit_devunreg:
+
+	hwmon_device_unregister(data->hwmon_dev);
+
 	/* Unregister sysfs hooks */
 
 exit_remove:
@@ -1628,7 +2104,7 @@ static void __exit sensors_w83793_exit(void)
 	i2c_del_driver(&w83793_driver);
 }
 
-MODULE_AUTHOR("Yuan Mu");
+MODULE_AUTHOR("Yuan Mu, Sven Anders");
 MODULE_DESCRIPTION("w83793 driver");
 MODULE_LICENSE("GPL");
 
diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 8d8a00e5a30e..d06083fdffbb 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -61,9 +61,18 @@ config I2C_HELPER_AUTO
 
 	  In doubt, say Y.
 
+config I2C_SMBUS
+	tristate "SMBus-specific protocols" if !I2C_HELPER_AUTO
+	help
+	  Say Y here if you want support for SMBus extensions to the I2C
+	  specification. At the moment, the only supported extension is
+	  the SMBus alert protocol.
+
+	  This support is also available as a module.  If so, the module
+	  will be called i2c-smbus.
+
 source drivers/i2c/algos/Kconfig
 source drivers/i2c/busses/Kconfig
-source drivers/i2c/chips/Kconfig
 
 config I2C_DEBUG_CORE
 	bool "I2C Core debugging messages"
@@ -88,12 +97,4 @@ config I2C_DEBUG_BUS
 	  a problem with I2C support and want to see more of what is going
 	  on.
 
-config I2C_DEBUG_CHIP
-	bool "I2C Chip debugging messages"
-	help
-	  Say Y here if you want the I2C chip drivers to produce a bunch of
-	  debug messages to the system log.  Select this if you are having
-	  a problem with I2C support and want to see more of what is going
-	  on.
-
 endif # I2C
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index ba26e6cbe74e..a7d9b4be9bb3 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -4,8 +4,9 @@
 
 obj-$(CONFIG_I2C_BOARDINFO)	+= i2c-boardinfo.o
 obj-$(CONFIG_I2C)		+= i2c-core.o
+obj-$(CONFIG_I2C_SMBUS)		+= i2c-smbus.o
 obj-$(CONFIG_I2C_CHARDEV)	+= i2c-dev.o
-obj-y				+= busses/ chips/ algos/
+obj-y				+= algos/ busses/
 
 ifeq ($(CONFIG_I2C_DEBUG_CORE),y)
 EXTRA_CFLAGS += -DDEBUG
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index e25e13980af3..e8d568c3fb09 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -522,6 +522,12 @@ static int bit_xfer(struct i2c_adapter *i2c_adap,
 	int i, ret;
 	unsigned short nak_ok;
 
+	if (adap->pre_xfer) {
+		ret = adap->pre_xfer(i2c_adap);
+		if (ret < 0)
+			return ret;
+	}
+
 	bit_dbg(3, &i2c_adap->dev, "emitting start condition\n");
 	i2c_start(adap);
 	for (i = 0; i < num; i++) {
@@ -570,6 +576,9 @@ static int bit_xfer(struct i2c_adapter *i2c_adap,
 bailout:
 	bit_dbg(3, &i2c_adap->dev, "emitting stop condition\n");
 	i2c_stop(adap);
+
+	if (adap->post_xfer)
+		adap->post_xfer(i2c_adap);
 	return ret;
 }
 
diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index 78d42aae0089..dcdaf8e675bf 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -453,8 +453,6 @@ static int pca_init(struct i2c_adapter *adap)
 		 */
 		int raise_fall_time;
 
-		struct i2c_algo_pca_data *pca_data = adap->algo_data;
-
 		/* Ignore the reset function from the module,
 		 * we can use the parallel bus reset
 		 */
diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c
index 7ce75775ec73..6b6bd06202b2 100644
--- a/drivers/i2c/algos/i2c-algo-pcf.c
+++ b/drivers/i2c/algos/i2c-algo-pcf.c
@@ -176,7 +176,7 @@ static int pcf_init_8584 (struct i2c_algo_pcf_data *adap)
 	 */
 	if (((temp = get_pcf(adap, 1)) & 0x7f) != (0)) {
 		DEB2(printk(KERN_ERR "i2c-algo-pcf.o: PCF detection failed -- can't select S0 (0x%02x).\n", temp));
-		return -ENXIO; /* definetly not PCF8584 */
+		return -ENXIO; /* definitely not PCF8584 */
 	}
 
 	/* load own address in S0, effective address is (own << 1) */
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 737f05200b1d..9c6170cd9aac 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -77,7 +77,7 @@ config I2C_AMD8111
 	  will be called i2c-amd8111.
 
 config I2C_I801
-	tristate "Intel 82801 (ICH)"
+	tristate "Intel 82801 (ICH/PCH)"
 	depends on PCI
 	help
 	  If you say yes to this option, support will be included for the Intel
@@ -97,7 +97,8 @@ config I2C_I801
 	    ICH9
 	    Tolapai
 	    ICH10
-	    PCH
+	    3400/5 Series (PCH)
+	    Cougar Point (PCH)
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-i801.
@@ -105,6 +106,8 @@ config I2C_I801
 config I2C_ISCH
 	tristate "Intel SCH SMBus 1.0"
 	depends on PCI
+	select MFD_CORE
+	select LPC_SCH
 	help
 	  Say Y here if you want to use SMBus controller on the Intel SCH
 	  based systems.
@@ -418,13 +421,12 @@ config I2C_IXP2000
 	  instead.
 
 config I2C_MPC
-	tristate "MPC107/824x/85xx/52xx/86xx"
+	tristate "MPC107/824x/85xx/512x/52xx/83xx/86xx"
 	depends on PPC32
 	help
 	  If you say yes to this option, support will be included for the
-	  built-in I2C interface on the MPC107/Tsi107/MPC8240/MPC8245 and
-	  MPC85xx/MPC8641 family processors. The driver may also work on 52xx
-	  family processors, though interrupts are known not to work.
+	  built-in I2C interface on the MPC107, Tsi107, MPC512x, MPC52xx,
+	  MPC8240, MPC8245, MPC83xx, MPC85xx and MPC8641 family processors.
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-mpc.
@@ -439,6 +441,13 @@ config I2C_MV64XXX
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-mv64xxx.
 
+config I2C_NOMADIK
+	tristate "ST-Ericsson Nomadik/Ux500 I2C Controller"
+	depends on PLAT_NOMADIK
+	help
+	  If you say yes to this option, support will be included for the
+	  I2C interface from ST-Ericsson's Nomadik and Ux500 architectures.
+
 config I2C_OCORES
 	tristate "OpenCores I2C Controller"
 	depends on EXPERIMENTAL
@@ -574,12 +583,23 @@ config I2C_OCTEON
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-octeon.
 
+config I2C_XILINX
+	tristate "Xilinx I2C Controller"
+	depends on EXPERIMENTAL && HAS_IOMEM
+	help
+	  If you say yes to this option, support will be included for the
+	  Xilinx I2C controller.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called xilinx_i2c.
+
 comment "External I2C/SMBus adapter drivers"
 
 config I2C_PARPORT
 	tristate "Parallel port adapter"
 	depends on PARPORT
 	select I2C_ALGOBIT
+	select I2C_SMBUS
 	help
 	  This supports parallel port I2C adapters such as the ones made by
 	  Philips or Velleman, Analog Devices evaluation boards, and more.
@@ -603,6 +623,7 @@ config I2C_PARPORT
 config I2C_PARPORT_LIGHT
 	tristate "Parallel port adapter (light)"
 	select I2C_ALGOBIT
+	select I2C_SMBUS
 	help
 	  This supports parallel port I2C adapters such as the ones made by
 	  Philips or Velleman, Analog Devices evaluation boards, and more.
diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile
index c2c4ea1908d8..097236f631e8 100644
--- a/drivers/i2c/busses/Makefile
+++ b/drivers/i2c/busses/Makefile
@@ -42,6 +42,7 @@ obj-$(CONFIG_I2C_IOP3XX)	+= i2c-iop3xx.o
 obj-$(CONFIG_I2C_IXP2000)	+= i2c-ixp2000.o
 obj-$(CONFIG_I2C_MPC)		+= i2c-mpc.o
 obj-$(CONFIG_I2C_MV64XXX)	+= i2c-mv64xxx.o
+obj-$(CONFIG_I2C_NOMADIK)	+= i2c-nomadik.o
 obj-$(CONFIG_I2C_OCORES)	+= i2c-ocores.o
 obj-$(CONFIG_I2C_OMAP)		+= i2c-omap.o
 obj-$(CONFIG_I2C_PASEMI)	+= i2c-pasemi.o
@@ -55,6 +56,7 @@ obj-$(CONFIG_I2C_SIMTEC)	+= i2c-simtec.o
 obj-$(CONFIG_I2C_STU300)	+= i2c-stu300.o
 obj-$(CONFIG_I2C_VERSATILE)	+= i2c-versatile.o
 obj-$(CONFIG_I2C_OCTEON)	+= i2c-octeon.o
+obj-$(CONFIG_I2C_XILINX)	+= i2c-xiic.o
 
 # External I2C/SMBus adapter drivers
 obj-$(CONFIG_I2C_PARPORT)	+= i2c-parport.o
diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c
index 8de7d7b87bb0..bd8f1e4d9e6c 100644
--- a/drivers/i2c/busses/i2c-ali1535.c
+++ b/drivers/i2c/busses/i2c-ali1535.c
@@ -480,7 +480,7 @@ static struct i2c_adapter ali1535_adapter = {
 	.algo		= &smbus_algorithm,
 };
 
-static struct pci_device_id ali1535_ids[] = {
+static const struct pci_device_id ali1535_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101) },
 	{ },
 };
diff --git a/drivers/i2c/busses/i2c-ali1563.c b/drivers/i2c/busses/i2c-ali1563.c
index 4687af40dd50..a409cfcf0629 100644
--- a/drivers/i2c/busses/i2c-ali1563.c
+++ b/drivers/i2c/busses/i2c-ali1563.c
@@ -417,7 +417,7 @@ static void __devexit ali1563_remove(struct pci_dev * dev)
 	ali1563_shutdown(dev);
 }
 
-static struct pci_device_id __devinitdata ali1563_id_table[] = {
+static const struct pci_device_id ali1563_id_table[] __devinitconst = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1563) },
 	{},
 };
diff --git a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c
index e7e3205f1286..659f63f5e4af 100644
--- a/drivers/i2c/busses/i2c-ali15x3.c
+++ b/drivers/i2c/busses/i2c-ali15x3.c
@@ -477,7 +477,7 @@ static struct i2c_adapter ali15x3_adapter = {
 	.algo		= &smbus_algorithm,
 };
 
-static struct pci_device_id ali15x3_ids[] = {
+static const struct pci_device_id ali15x3_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101) },
 	{ 0, }
 };
diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c
index 8f0b90ef8c76..c5a9fa488e7f 100644
--- a/drivers/i2c/busses/i2c-amd756.c
+++ b/drivers/i2c/busses/i2c-amd756.c
@@ -308,7 +308,7 @@ static const char* chipname[] = {
 	"nVidia nForce", "AMD8111",
 };
 
-static struct pci_device_id amd756_ids[] = {
+static const struct pci_device_id amd756_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VIPER_740B),
 	  .driver_data = AMD756 },
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_VIPER_7413),
diff --git a/drivers/i2c/busses/i2c-amd8111.c b/drivers/i2c/busses/i2c-amd8111.c
index 5b4ad86ca166..d0dc970d7370 100644
--- a/drivers/i2c/busses/i2c-amd8111.c
+++ b/drivers/i2c/busses/i2c-amd8111.c
@@ -351,7 +351,7 @@ static const struct i2c_algorithm smbus_algorithm = {
 };
 
 
-static struct pci_device_id amd8111_ids[] = {
+static const struct pci_device_id amd8111_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8111_SMBUS2) },
 	{ 0, }
 };
diff --git a/drivers/i2c/busses/i2c-designware.c b/drivers/i2c/busses/i2c-designware.c
index 9e18ef97f156..3e72b69aa7f8 100644
--- a/drivers/i2c/busses/i2c-designware.c
+++ b/drivers/i2c/busses/i2c-designware.c
@@ -497,13 +497,13 @@ static int i2c_dw_handle_tx_abort(struct dw_i2c_dev *dev)
 	int i;
 
 	if (abort_source & DW_IC_TX_ABRT_NOACK) {
-		for_each_bit(i, &abort_source, ARRAY_SIZE(abort_sources))
+		for_each_set_bit(i, &abort_source, ARRAY_SIZE(abort_sources))
 			dev_dbg(dev->dev,
 				"%s: %s\n", __func__, abort_sources[i]);
 		return -EREMOTEIO;
 	}
 
-	for_each_bit(i, &abort_source, ARRAY_SIZE(abort_sources))
+	for_each_set_bit(i, &abort_source, ARRAY_SIZE(abort_sources))
 		dev_err(dev->dev, "%s: %s\n", __func__, abort_sources[i]);
 
 	if (abort_source & DW_IC_TX_ARB_LOST)
diff --git a/drivers/i2c/busses/i2c-hydra.c b/drivers/i2c/busses/i2c-hydra.c
index bec9b845dd16..c767295ad1fb 100644
--- a/drivers/i2c/busses/i2c-hydra.c
+++ b/drivers/i2c/busses/i2c-hydra.c
@@ -105,7 +105,7 @@ static struct i2c_adapter hydra_adap = {
 	.algo_data	= &hydra_bit_data,
 };
 
-static struct pci_device_id hydra_ids[] = {
+static const struct pci_device_id hydra_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_APPLE, PCI_DEVICE_ID_APPLE_HYDRA) },
 	{ 0, }
 };
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index df6ab553f975..299b918455a3 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -41,7 +41,8 @@
   Tolapai               0x5032     32     hard     yes     yes     yes
   ICH10                 0x3a30     32     hard     yes     yes     yes
   ICH10                 0x3a60     32     hard     yes     yes     yes
-  PCH                   0x3b30     32     hard     yes     yes     yes
+  3400/5 Series (PCH)   0x3b30     32     hard     yes     yes     yes
+  Cougar Point (PCH)    0x1c22     32     hard     yes     yes     yes
 
   Features supported by this driver:
   Software PEC                     no
@@ -415,9 +416,11 @@ static int i801_block_transaction(union i2c_smbus_data *data, char read_write,
 		data->block[0] = 32;	/* max for SMBus block reads */
 	}
 
+	/* Experience has shown that the block buffer can only be used for
+	   SMBus (not I2C) block transactions, even though the datasheet
+	   doesn't mention this limitation. */
 	if ((i801_features & FEATURE_BLOCK_BUFFER)
-	 && !(command == I2C_SMBUS_I2C_BLOCK_DATA
-	      && read_write == I2C_SMBUS_READ)
+	 && command != I2C_SMBUS_I2C_BLOCK_DATA
 	 && i801_set_block_buffer_mode() == 0)
 		result = i801_block_transaction_by_block(data, read_write,
 							 hwpec);
@@ -561,7 +564,7 @@ static struct i2c_adapter i801_adapter = {
 	.algo		= &smbus_algorithm,
 };
 
-static struct pci_device_id i801_ids[] = {
+static const struct pci_device_id i801_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_3) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_3) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_2) },
@@ -578,6 +581,7 @@ static struct pci_device_id i801_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_4) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH10_5) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PCH_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_CPT_SMBUS) },
 	{ 0, }
 };
 
@@ -707,6 +711,7 @@ static int __devinit i801_probe(struct pci_dev *dev, const struct pci_device_id
 	case PCI_DEVICE_ID_INTEL_ICH10_4:
 	case PCI_DEVICE_ID_INTEL_ICH10_5:
 	case PCI_DEVICE_ID_INTEL_PCH_SMBUS:
+	case PCI_DEVICE_ID_INTEL_CPT_SMBUS:
 		i801_features |= FEATURE_I2C_BLOCK_READ;
 		/* fall through */
 	case PCI_DEVICE_ID_INTEL_82801DB_3:
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 75bf820e7ccb..32375bddae7d 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -627,7 +627,6 @@ static int __exit i2c_imx_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver i2c_imx_driver = {
-	.probe		= i2c_imx_probe,
 	.remove		= __exit_p(i2c_imx_remove),
 	.driver	= {
 		.name	= DRIVER_NAME,
diff --git a/drivers/i2c/busses/i2c-isch.c b/drivers/i2c/busses/i2c-isch.c
index dba6eb053e2f..ddc258edb34f 100644
--- a/drivers/i2c/busses/i2c-isch.c
+++ b/drivers/i2c/busses/i2c-isch.c
@@ -27,7 +27,7 @@
 */
 
 #include <linux/module.h>
-#include <linux/pci.h>
+#include <linux/platform_device.h>
 #include <linux/kernel.h>
 #include <linux/delay.h>
 #include <linux/stddef.h>
@@ -46,12 +46,6 @@
 #define SMBHSTDAT1	(7 + sch_smba)
 #define SMBBLKDAT	(0x20 + sch_smba)
 
-/* count for request_region */
-#define SMBIOSIZE	64
-
-/* PCI Address Constants */
-#define SMBBA_SCH	0x40
-
 /* Other settings */
 #define MAX_TIMEOUT	500
 
@@ -63,7 +57,6 @@
 #define SCH_BLOCK_DATA		0x05
 
 static unsigned short sch_smba;
-static struct pci_driver sch_driver;
 static struct i2c_adapter sch_adapter;
 
 /*
@@ -256,37 +249,23 @@ static struct i2c_adapter sch_adapter = {
 	.algo		= &smbus_algorithm,
 };
 
-static struct pci_device_id sch_ids[] = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SCH_LPC) },
-	{ 0, }
-};
-
-MODULE_DEVICE_TABLE(pci, sch_ids);
-
-static int __devinit sch_probe(struct pci_dev *dev,
-				const struct pci_device_id *id)
+static int __devinit smbus_sch_probe(struct platform_device *dev)
 {
+	struct resource *res;
 	int retval;
-	unsigned int smba;
 
-	pci_read_config_dword(dev, SMBBA_SCH, &smba);
-	if (!(smba & (1 << 31))) {
-		dev_err(&dev->dev, "SMBus I/O space disabled!\n");
-		return -ENODEV;
-	}
+	res = platform_get_resource(dev, IORESOURCE_IO, 0);
+	if (!res)
+		return -EBUSY;
 
-	sch_smba = (unsigned short)smba;
-	if (sch_smba == 0) {
-		dev_err(&dev->dev, "SMBus base address uninitialized!\n");
-		return -ENODEV;
-	}
-	if (acpi_check_region(sch_smba, SMBIOSIZE, sch_driver.name))
-		return -ENODEV;
-	if (!request_region(sch_smba, SMBIOSIZE, sch_driver.name)) {
+	if (!request_region(res->start, resource_size(res), dev->name)) {
 		dev_err(&dev->dev, "SMBus region 0x%x already in use!\n",
 			sch_smba);
 		return -EBUSY;
 	}
+
+	sch_smba = res->start;
+
 	dev_dbg(&dev->dev, "SMBA = 0x%X\n", sch_smba);
 
 	/* set up the sysfs linkage to our parent device */
@@ -298,37 +277,43 @@ static int __devinit sch_probe(struct pci_dev *dev,
 	retval = i2c_add_adapter(&sch_adapter);
 	if (retval) {
 		dev_err(&dev->dev, "Couldn't register adapter!\n");
-		release_region(sch_smba, SMBIOSIZE);
+		release_region(res->start, resource_size(res));
 		sch_smba = 0;
 	}
 
 	return retval;
 }
 
-static void __devexit sch_remove(struct pci_dev *dev)
+static int __devexit smbus_sch_remove(struct platform_device *pdev)
 {
+	struct resource *res;
 	if (sch_smba) {
 		i2c_del_adapter(&sch_adapter);
-		release_region(sch_smba, SMBIOSIZE);
+		res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+		release_region(res->start, resource_size(res));
 		sch_smba = 0;
 	}
+
+	return 0;
 }
 
-static struct pci_driver sch_driver = {
-	.name		= "isch_smbus",
-	.id_table	= sch_ids,
-	.probe		= sch_probe,
-	.remove		= __devexit_p(sch_remove),
+static struct platform_driver smbus_sch_driver = {
+	.driver = {
+		.name = "isch_smbus",
+		.owner = THIS_MODULE,
+	},
+	.probe		= smbus_sch_probe,
+	.remove		= __devexit_p(smbus_sch_remove),
 };
 
 static int __init i2c_sch_init(void)
 {
-	return pci_register_driver(&sch_driver);
+	return platform_driver_register(&smbus_sch_driver);
 }
 
 static void __exit i2c_sch_exit(void)
 {
-	pci_unregister_driver(&sch_driver);
+	platform_driver_unregister(&smbus_sch_driver);
 }
 
 MODULE_AUTHOR("Jacob Pan <jacob.jun.pan@intel.com>");
@@ -337,3 +322,4 @@ MODULE_LICENSE("GPL");
 
 module_init(i2c_sch_init);
 module_exit(i2c_sch_exit);
+MODULE_ALIAS("platform:isch_smbus");
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index f627001108b8..78a15af32942 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -31,6 +31,9 @@
 
 #define DRV_NAME "mpc-i2c"
 
+#define MPC_I2C_CLOCK_LEGACY   0
+#define MPC_I2C_CLOCK_PRESERVE (~0U)
+
 #define MPC_I2C_FDR   0x04
 #define MPC_I2C_CR    0x08
 #define MPC_I2C_SR    0x0c
@@ -66,10 +69,9 @@ struct mpc_i2c_divider {
 	u16 fdr;	/* including dfsrr */
 };
 
-struct mpc_i2c_match_data {
-	void (*setclock)(struct device_node *node,
-			 struct mpc_i2c *i2c,
-			 u32 clock, u32 prescaler);
+struct mpc_i2c_data {
+	void (*setup)(struct device_node *node, struct mpc_i2c *i2c,
+		      u32 clock, u32 prescaler);
 	u32 prescaler;
 };
 
@@ -164,8 +166,8 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing)
 	return 0;
 }
 
-#ifdef CONFIG_PPC_MPC52xx
-static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = {
+#if defined(CONFIG_PPC_MPC52xx) || defined(CONFIG_PPC_MPC512x)
+static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] __devinitconst = {
 	{20, 0x20}, {22, 0x21}, {24, 0x22}, {26, 0x23},
 	{28, 0x24}, {30, 0x01}, {32, 0x25}, {34, 0x02},
 	{36, 0x26}, {40, 0x27}, {44, 0x04}, {48, 0x28},
@@ -186,14 +188,15 @@ static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = {
 	{10240, 0x9d}, {12288, 0x9e}, {15360, 0x9f}
 };
 
-int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler)
+static int __devinit mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock,
+					  int prescaler)
 {
 	const struct mpc_i2c_divider *div = NULL;
 	unsigned int pvr = mfspr(SPRN_PVR);
 	u32 divider;
 	int i;
 
-	if (!clock)
+	if (clock == MPC_I2C_CLOCK_LEGACY)
 		return -EINVAL;
 
 	/* Determine divider value */
@@ -215,12 +218,18 @@ int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler)
 	return div ? (int)div->fdr : -EINVAL;
 }
 
-static void mpc_i2c_setclock_52xx(struct device_node *node,
-				  struct mpc_i2c *i2c,
-				  u32 clock, u32 prescaler)
+static void __devinit mpc_i2c_setup_52xx(struct device_node *node,
+					 struct mpc_i2c *i2c,
+					 u32 clock, u32 prescaler)
 {
 	int ret, fdr;
 
+	if (clock == MPC_I2C_CLOCK_PRESERVE) {
+		dev_dbg(i2c->dev, "using fdr %d\n",
+			readb(i2c->base + MPC_I2C_FDR));
+		return;
+	}
+
 	ret = mpc_i2c_get_fdr_52xx(node, clock, prescaler);
 	fdr = (ret >= 0) ? ret : 0x3f; /* backward compatibility */
 
@@ -229,16 +238,52 @@ static void mpc_i2c_setclock_52xx(struct device_node *node,
 	if (ret >= 0)
 		dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr);
 }
-#else /* !CONFIG_PPC_MPC52xx */
-static void mpc_i2c_setclock_52xx(struct device_node *node,
-				  struct mpc_i2c *i2c,
-				  u32 clock, u32 prescaler)
+#else /* !(CONFIG_PPC_MPC52xx || CONFIG_PPC_MPC512x) */
+static void __devinit mpc_i2c_setup_52xx(struct device_node *node,
+					 struct mpc_i2c *i2c,
+					 u32 clock, u32 prescaler)
+{
+}
+#endif /* CONFIG_PPC_MPC52xx || CONFIG_PPC_MPC512x */
+
+#ifdef CONFIG_PPC_MPC512x
+static void __devinit mpc_i2c_setup_512x(struct device_node *node,
+					 struct mpc_i2c *i2c,
+					 u32 clock, u32 prescaler)
+{
+	struct device_node *node_ctrl;
+	void __iomem *ctrl;
+	const u32 *pval;
+	u32 idx;
+
+	/* Enable I2C interrupts for mpc5121 */
+	node_ctrl = of_find_compatible_node(NULL, NULL,
+					    "fsl,mpc5121-i2c-ctrl");
+	if (node_ctrl) {
+		ctrl = of_iomap(node_ctrl, 0);
+		if (ctrl) {
+			/* Interrupt enable bits for i2c-0/1/2: bit 24/26/28 */
+			pval = of_get_property(node, "reg", NULL);
+			idx = (*pval & 0xff) / 0x20;
+			setbits32(ctrl, 1 << (24 + idx * 2));
+			iounmap(ctrl);
+		}
+		of_node_put(node_ctrl);
+	}
+
+	/* The clock setup for the 52xx works also fine for the 512x */
+	mpc_i2c_setup_52xx(node, i2c, clock, prescaler);
+}
+#else /* CONFIG_PPC_MPC512x */
+static void __devinit mpc_i2c_setup_512x(struct device_node *node,
+					 struct mpc_i2c *i2c,
+					 u32 clock, u32 prescaler)
 {
 }
-#endif /* CONFIG_PPC_MPC52xx*/
+#endif /* CONFIG_PPC_MPC512x */
 
 #ifdef CONFIG_FSL_SOC
-static const struct mpc_i2c_divider mpc_i2c_dividers_8xxx[] = {
+static const struct mpc_i2c_divider mpc_i2c_dividers_8xxx[] __devinitconst = {
 	{160, 0x0120}, {192, 0x0121}, {224, 0x0122}, {256, 0x0123},
 	{288, 0x0100}, {320, 0x0101}, {352, 0x0601}, {384, 0x0102},
 	{416, 0x0602}, {448, 0x0126}, {480, 0x0103}, {512, 0x0127},
@@ -258,7 +303,7 @@ static const struct mpc_i2c_divider mpc_i2c_dividers_8xxx[] = {
 	{49152, 0x011e}, {61440, 0x011f}
 };
 
-u32 mpc_i2c_get_sec_cfg_8xxx(void)
+static u32 __devinit mpc_i2c_get_sec_cfg_8xxx(void)
 {
 	struct device_node *node = NULL;
 	u32 __iomem *reg;
@@ -287,13 +332,14 @@ u32 mpc_i2c_get_sec_cfg_8xxx(void)
 	return val;
 }
 
-int mpc_i2c_get_fdr_8xxx(struct device_node *node, u32 clock, u32 prescaler)
+static int __devinit mpc_i2c_get_fdr_8xxx(struct device_node *node, u32 clock,
+					  u32 prescaler)
 {
 	const struct mpc_i2c_divider *div = NULL;
 	u32 divider;
 	int i;
 
-	if (!clock)
+	if (clock == MPC_I2C_CLOCK_LEGACY)
 		return -EINVAL;
 
 	/* Determine proper divider value */
@@ -320,12 +366,19 @@ int mpc_i2c_get_fdr_8xxx(struct device_node *node, u32 clock, u32 prescaler)
 	return div ? (int)div->fdr : -EINVAL;
 }
 
-static void mpc_i2c_setclock_8xxx(struct device_node *node,
-				  struct mpc_i2c *i2c,
-				  u32 clock, u32 prescaler)
+static void __devinit mpc_i2c_setup_8xxx(struct device_node *node,
+					 struct mpc_i2c *i2c,
+					 u32 clock, u32 prescaler)
 {
 	int ret, fdr;
 
+	if (clock == MPC_I2C_CLOCK_PRESERVE) {
+		dev_dbg(i2c->dev, "using dfsrr %d, fdr %d\n",
+			readb(i2c->base + MPC_I2C_DFSRR),
+			readb(i2c->base + MPC_I2C_FDR));
+		return;
+	}
+
 	ret = mpc_i2c_get_fdr_8xxx(node, clock, prescaler);
 	fdr = (ret >= 0) ? ret : 0x1031; /* backward compatibility */
 
@@ -338,9 +391,9 @@ static void mpc_i2c_setclock_8xxx(struct device_node *node,
 }
 
 #else /* !CONFIG_FSL_SOC */
-static void mpc_i2c_setclock_8xxx(struct device_node *node,
-				  struct mpc_i2c *i2c,
-				  u32 clock, u32 prescaler)
+static void __devinit mpc_i2c_setup_8xxx(struct device_node *node,
+					 struct mpc_i2c *i2c,
+					 u32 clock, u32 prescaler)
 {
 }
 #endif /* CONFIG_FSL_SOC */
@@ -494,7 +547,7 @@ static int __devinit fsl_i2c_probe(struct of_device *op,
 {
 	struct mpc_i2c *i2c;
 	const u32 *prop;
-	u32 clock = 0;
+	u32 clock = MPC_I2C_CLOCK_LEGACY;
 	int result = 0;
 	int plen;
 
@@ -523,21 +576,21 @@ static int __devinit fsl_i2c_probe(struct of_device *op,
 		}
 	}
 
-	if (!of_get_property(op->node, "fsl,preserve-clocking", NULL)) {
+	if (of_get_property(op->node, "fsl,preserve-clocking", NULL)) {
+		clock = MPC_I2C_CLOCK_PRESERVE;
+	} else {
 		prop = of_get_property(op->node, "clock-frequency", &plen);
 		if (prop && plen == sizeof(u32))
 			clock = *prop;
+	}
 
-		if (match->data) {
-			struct mpc_i2c_match_data *data =
-				(struct mpc_i2c_match_data *)match->data;
-			data->setclock(op->node, i2c, clock, data->prescaler);
-		} else {
-			/* Backwards compatibility */
-			if (of_get_property(op->node, "dfsrr", NULL))
-				mpc_i2c_setclock_8xxx(op->node, i2c,
-						      clock, 0);
-		}
+	if (match->data) {
+		struct mpc_i2c_data *data = match->data;
+		data->setup(op->node, i2c, clock, data->prescaler);
+	} else {
+		/* Backwards compatibility */
+		if (of_get_property(op->node, "dfsrr", NULL))
+			mpc_i2c_setup_8xxx(op->node, i2c, clock, 0);
 	}
 
 	dev_set_drvdata(&op->dev, i2c);
@@ -582,47 +635,42 @@ static int __devexit fsl_i2c_remove(struct of_device *op)
 	return 0;
 };
 
+static struct mpc_i2c_data mpc_i2c_data_512x __devinitdata = {
+	.setup = mpc_i2c_setup_512x,
+};
+
+static struct mpc_i2c_data mpc_i2c_data_52xx __devinitdata = {
+	.setup = mpc_i2c_setup_52xx,
+};
+
+static struct mpc_i2c_data mpc_i2c_data_8313 __devinitdata = {
+	.setup = mpc_i2c_setup_8xxx,
+};
+
+static struct mpc_i2c_data mpc_i2c_data_8543 __devinitdata = {
+	.setup = mpc_i2c_setup_8xxx,
+	.prescaler = 2,
+};
+
+static struct mpc_i2c_data mpc_i2c_data_8544 __devinitdata = {
+	.setup = mpc_i2c_setup_8xxx,
+	.prescaler = 3,
+};
+
 static const struct of_device_id mpc_i2c_of_match[] = {
-	{.compatible = "mpc5200-i2c",
-	 .data = &(struct mpc_i2c_match_data) {
-			.setclock = mpc_i2c_setclock_52xx,
-		},
-	},
-	{.compatible = "fsl,mpc5200b-i2c",
-	 .data = &(struct mpc_i2c_match_data) {
-			.setclock = mpc_i2c_setclock_52xx,
-		},
-	},
-	{.compatible = "fsl,mpc5200-i2c",
-	 .data = &(struct mpc_i2c_match_data) {
-			.setclock = mpc_i2c_setclock_52xx,
-		},
-	},
-	{.compatible = "fsl,mpc8313-i2c",
-	 .data = &(struct mpc_i2c_match_data) {
-			.setclock = mpc_i2c_setclock_8xxx,
-		},
-	},
-	{.compatible = "fsl,mpc8543-i2c",
-	 .data = &(struct mpc_i2c_match_data) {
-			.setclock = mpc_i2c_setclock_8xxx,
-			.prescaler = 2,
-		},
-	},
-	{.compatible = "fsl,mpc8544-i2c",
-	 .data = &(struct mpc_i2c_match_data) {
-			.setclock = mpc_i2c_setclock_8xxx,
-			.prescaler = 3,
-		},
+	{.compatible = "mpc5200-i2c", .data = &mpc_i2c_data_52xx, },
+	{.compatible = "fsl,mpc5200b-i2c", .data = &mpc_i2c_data_52xx, },
+	{.compatible = "fsl,mpc5200-i2c", .data = &mpc_i2c_data_52xx, },
+	{.compatible = "fsl,mpc5121-i2c", .data = &mpc_i2c_data_512x, },
+	{.compatible = "fsl,mpc8313-i2c", .data = &mpc_i2c_data_8313, },
+	{.compatible = "fsl,mpc8543-i2c", .data = &mpc_i2c_data_8543, },
+	{.compatible = "fsl,mpc8544-i2c", .data = &mpc_i2c_data_8544, },
 	/* Backward compatibility */
-	},
 	{.compatible = "fsl-i2c", },
 	{},
 };
-
 MODULE_DEVICE_TABLE(of, mpc_i2c_of_match);
 
-
 /* Structure for a device driver */
 static struct of_platform_driver mpc_i2c_driver = {
 	.match_table	= mpc_i2c_of_match,
@@ -655,5 +703,5 @@ module_exit(fsl_i2c_exit);
 
 MODULE_AUTHOR("Adrian Cox <adrian@humboldt.co.uk>");
 MODULE_DESCRIPTION("I2C-Bus adapter for MPC107 bridge and "
-		   "MPC824x/85xx/52xx processors");
+		   "MPC824x/83xx/85xx/86xx/512x/52xx processors");
 MODULE_LICENSE("GPL");
diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c
index ec11d1c4e77b..4a700587ef18 100644
--- a/drivers/i2c/busses/i2c-nforce2.c
+++ b/drivers/i2c/busses/i2c-nforce2.c
@@ -308,7 +308,7 @@ static struct i2c_algorithm smbus_algorithm = {
 };
 
 
-static struct pci_device_id nforce2_ids[] = {
+static const struct pci_device_id nforce2_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2_SMBUS) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE2S_SMBUS) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE3_SMBUS) },
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
new file mode 100644
index 000000000000..a15f731fa451
--- /dev/null
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -0,0 +1,959 @@
+/*
+ * Copyright (C) 2009 ST-Ericsson
+ * Copyright (C) 2009 STMicroelectronics
+ *
+ * I2C master mode controller driver, used in Nomadik 8815
+ * and Ux500 platforms.
+ *
+ * Author: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
+ * Author: Sachin Verma <sachin.verma@st.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2, as
+ * published by the Free Software Foundation.
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/i2c.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <plat/i2c.h>
+
+#define DRIVER_NAME "nmk-i2c"
+
+/* I2C Controller register offsets */
+#define I2C_CR		(0x000)
+#define I2C_SCR		(0x004)
+#define I2C_HSMCR	(0x008)
+#define I2C_MCR		(0x00C)
+#define I2C_TFR		(0x010)
+#define I2C_SR		(0x014)
+#define I2C_RFR		(0x018)
+#define I2C_TFTR	(0x01C)
+#define I2C_RFTR	(0x020)
+#define I2C_DMAR	(0x024)
+#define I2C_BRCR	(0x028)
+#define I2C_IMSCR	(0x02C)
+#define I2C_RISR	(0x030)
+#define I2C_MISR	(0x034)
+#define I2C_ICR		(0x038)
+
+/* Control registers */
+#define I2C_CR_PE		(0x1 << 0)	/* Peripheral Enable */
+#define I2C_CR_OM		(0x3 << 1)	/* Operating mode */
+#define I2C_CR_SAM		(0x1 << 3)	/* Slave addressing mode */
+#define I2C_CR_SM		(0x3 << 4)	/* Speed mode */
+#define I2C_CR_SGCM		(0x1 << 6)	/* Slave general call mode */
+#define I2C_CR_FTX		(0x1 << 7)	/* Flush Transmit */
+#define I2C_CR_FRX		(0x1 << 8)	/* Flush Receive */
+#define I2C_CR_DMA_TX_EN	(0x1 << 9)	/* DMA Tx enable */
+#define I2C_CR_DMA_RX_EN	(0x1 << 10)	/* DMA Rx Enable */
+#define I2C_CR_DMA_SLE		(0x1 << 11)	/* DMA sync. logic enable */
+#define I2C_CR_LM		(0x1 << 12)	/* Loopback mode */
+#define I2C_CR_FON		(0x3 << 13)	/* Filtering on */
+#define I2C_CR_FS		(0x3 << 15)	/* Force stop enable */
+
+/* Master controller (MCR) register */
+#define I2C_MCR_OP		(0x1 << 0)	/* Operation */
+#define I2C_MCR_A7		(0x7f << 1)	/* 7-bit address */
+#define I2C_MCR_EA10		(0x7 << 8) 	/* 10-bit Extended address */
+#define I2C_MCR_SB		(0x1 << 11)	/* Extended address */
+#define I2C_MCR_AM		(0x3 << 12)	/* Address type */
+#define I2C_MCR_STOP		(0x1 << 14) 	/* Stop condition */
+#define I2C_MCR_LENGTH		(0x7ff << 15) 	/* Transaction length */
+
+/* Status register (SR) */
+#define I2C_SR_OP		(0x3 << 0)	/* Operation */
+#define I2C_SR_STATUS		(0x3 << 2)	/* controller status */
+#define I2C_SR_CAUSE		(0x7 << 4)	/* Abort cause */
+#define I2C_SR_TYPE		(0x3 << 7)	/* Receive type */
+#define I2C_SR_LENGTH		(0x7ff << 9)	/* Transfer length */
+
+/* Interrupt mask set/clear (IMSCR) bits */
+#define I2C_IT_TXFE 		(0x1 << 0)
+#define I2C_IT_TXFNE		(0x1 << 1)
+#define I2C_IT_TXFF		(0x1 << 2)
+#define I2C_IT_TXFOVR		(0x1 << 3)
+#define I2C_IT_RXFE		(0x1 << 4)
+#define I2C_IT_RXFNF		(0x1 << 5)
+#define I2C_IT_RXFF		(0x1 << 6)
+#define I2C_IT_RFSR		(0x1 << 16)
+#define I2C_IT_RFSE		(0x1 << 17)
+#define I2C_IT_WTSR		(0x1 << 18)
+#define I2C_IT_MTD		(0x1 << 19)
+#define I2C_IT_STD		(0x1 << 20)
+#define I2C_IT_MAL		(0x1 << 24)
+#define I2C_IT_BERR		(0x1 << 25)
+#define I2C_IT_MTDWS		(0x1 << 28)
+
+#define GEN_MASK(val, mask, sb)  (((val) << (sb)) & (mask))
+
+/* some bits in ICR are reserved */
+#define I2C_CLEAR_ALL_INTS	0x131f007f
+
+/* first three msb bits are reserved */
+#define IRQ_MASK(mask)		(mask & 0x1fffffff)
+
+/* maximum threshold value */
+#define MAX_I2C_FIFO_THRESHOLD	15
+
+enum i2c_status {
+	I2C_NOP,
+	I2C_ON_GOING,
+	I2C_OK,
+	I2C_ABORT
+};
+
+/* operation */
+enum i2c_operation {
+	I2C_NO_OPERATION = 0xff,
+	I2C_WRITE = 0x00,
+	I2C_READ = 0x01
+};
+
+/* controller response timeout in ms */
+#define I2C_TIMEOUT_MS	500
+
+/**
+ * struct i2c_nmk_client - client specific data
+ * @slave_adr: 7-bit slave address
+ * @count: no. bytes to be transfered
+ * @buffer: client data buffer
+ * @xfer_bytes: bytes transfered till now
+ * @operation: current I2C operation
+ */
+struct i2c_nmk_client {
+	unsigned short		slave_adr;
+	unsigned long		count;
+	unsigned char		*buffer;
+	unsigned long		xfer_bytes;
+	enum i2c_operation	operation;
+};
+
+/**
+ * struct nmk_i2c_dev - private data structure of the controller
+ * @pdev: parent platform device
+ * @adap: corresponding I2C adapter
+ * @irq: interrupt line for the controller
+ * @virtbase: virtual io memory area
+ * @clk: hardware i2c block clock
+ * @cfg: machine provided controller configuration
+ * @cli: holder of client specific data
+ * @stop: stop condition
+ * @xfer_complete: acknowledge completion for a I2C message
+ * @result: controller propogated result
+ */
+struct nmk_i2c_dev {
+	struct platform_device		*pdev;
+	struct i2c_adapter 		adap;
+	int 				irq;
+	void __iomem			*virtbase;
+	struct clk			*clk;
+	struct nmk_i2c_controller	cfg;
+	struct i2c_nmk_client		cli;
+	int 				stop;
+	struct completion		xfer_complete;
+	int 				result;
+};
+
+/* controller's abort causes */
+static const char *abort_causes[] = {
+	"no ack received after address transmission",
+	"no ack received during data phase",
+	"ack received after xmission of master code",
+	"master lost arbitration",
+	"slave restarts",
+	"slave reset",
+	"overflow, maxsize is 2047 bytes",
+};
+
+static inline void i2c_set_bit(void __iomem *reg, u32 mask)
+{
+	writel(readl(reg) | mask, reg);
+}
+
+static inline void i2c_clr_bit(void __iomem *reg, u32 mask)
+{
+	writel(readl(reg) & ~mask, reg);
+}
+
+/**
+ * flush_i2c_fifo() - This function flushes the I2C FIFO
+ * @dev: private data of I2C Driver
+ *
+ * This function flushes the I2C Tx and Rx FIFOs. It returns
+ * 0 on successful flushing of FIFO
+ */
+static int flush_i2c_fifo(struct nmk_i2c_dev *dev)
+{
+#define LOOP_ATTEMPTS 10
+	int i;
+	unsigned long timeout;
+
+	/*
+	 * flush the transmit and receive FIFO. The flushing
+	 * operation takes several cycles before to be completed.
+	 * On the completion, the I2C internal logic clears these
+	 * bits, until then no one must access Tx, Rx FIFO and
+	 * should poll on these bits waiting for the completion.
+	 */
+	writel((I2C_CR_FTX | I2C_CR_FRX), dev->virtbase + I2C_CR);
+
+	for (i = 0; i < LOOP_ATTEMPTS; i++) {
+		timeout = jiffies + msecs_to_jiffies(I2C_TIMEOUT_MS);
+
+		while (!time_after(jiffies, timeout)) {
+			if ((readl(dev->virtbase + I2C_CR) &
+				(I2C_CR_FTX | I2C_CR_FRX)) == 0)
+					return 0;
+		}
+	}
+
+	dev_err(&dev->pdev->dev, "flushing operation timed out "
+		"giving up after %d attempts", LOOP_ATTEMPTS);
+
+	return -ETIMEDOUT;
+}
+
+/**
+ * disable_all_interrupts() - Disable all interrupts of this I2c Bus
+ * @dev: private data of I2C Driver
+ */
+static void disable_all_interrupts(struct nmk_i2c_dev *dev)
+{
+	u32 mask = IRQ_MASK(0);
+	writel(mask, dev->virtbase + I2C_IMSCR);
+}
+
+/**
+ * clear_all_interrupts() - Clear all interrupts of I2C Controller
+ * @dev: private data of I2C Driver
+ */
+static void clear_all_interrupts(struct nmk_i2c_dev *dev)
+{
+	u32 mask;
+	mask = IRQ_MASK(I2C_CLEAR_ALL_INTS);
+	writel(mask, dev->virtbase + I2C_ICR);
+}
+
+/**
+ * init_hw() - initialize the I2C hardware
+ * @dev: private data of I2C Driver
+ */
+static int init_hw(struct nmk_i2c_dev *dev)
+{
+	int stat;
+
+	stat = flush_i2c_fifo(dev);
+	if (stat)
+		return stat;
+
+	/* disable the controller */
+	i2c_clr_bit(dev->virtbase + I2C_CR , I2C_CR_PE);
+
+	disable_all_interrupts(dev);
+
+	clear_all_interrupts(dev);
+
+	dev->cli.operation = I2C_NO_OPERATION;
+
+	return 0;
+}
+
+/* enable peripheral, master mode operation */
+#define DEFAULT_I2C_REG_CR 	((1 << 1) | I2C_CR_PE)
+
+/**
+ * load_i2c_mcr_reg() - load the MCR register
+ * @dev: private data of controller
+ */
+static u32 load_i2c_mcr_reg(struct nmk_i2c_dev *dev)
+{
+	u32 mcr = 0;
+
+	/* 7-bit address transaction */
+	mcr |= GEN_MASK(1, I2C_MCR_AM, 12);
+	mcr |= GEN_MASK(dev->cli.slave_adr, I2C_MCR_A7, 1);
+
+	/* start byte procedure not applied */
+	mcr |= GEN_MASK(0, I2C_MCR_SB, 11);
+
+	/* check the operation, master read/write? */
+	if (dev->cli.operation == I2C_WRITE)
+		mcr |= GEN_MASK(I2C_WRITE, I2C_MCR_OP, 0);
+	else
+		mcr |= GEN_MASK(I2C_READ, I2C_MCR_OP, 0);
+
+	/* stop or repeated start? */
+	if (dev->stop)
+		mcr |= GEN_MASK(1, I2C_MCR_STOP, 14);
+	else
+		mcr &= ~(GEN_MASK(1, I2C_MCR_STOP, 14));
+
+	mcr |= GEN_MASK(dev->cli.count, I2C_MCR_LENGTH, 15);
+
+	return mcr;
+}
+
+/**
+ * setup_i2c_controller() - setup the controller
+ * @dev: private data of controller
+ */
+static void setup_i2c_controller(struct nmk_i2c_dev *dev)
+{
+	u32 brcr1, brcr2;
+	u32 i2c_clk, div;
+
+	writel(0x0, dev->virtbase + I2C_CR);
+	writel(0x0, dev->virtbase + I2C_HSMCR);
+	writel(0x0, dev->virtbase + I2C_TFTR);
+	writel(0x0, dev->virtbase + I2C_RFTR);
+	writel(0x0, dev->virtbase + I2C_DMAR);
+
+	/*
+	 * set the slsu:
+	 *
+	 * slsu defines the data setup time after SCL clock
+	 * stretching in terms of i2c clk cycles. The
+	 * needed setup time for the three modes are 250ns,
+	 * 100ns, 10ns repectively thus leading to the values
+	 * of 14, 6, 2 for a 48 MHz i2c clk.
+	 */
+	writel(dev->cfg.slsu << 16, dev->virtbase + I2C_SCR);
+
+	i2c_clk = clk_get_rate(dev->clk);
+
+	/* fallback to std. mode if machine has not provided it */
+	if (dev->cfg.clk_freq == 0)
+		dev->cfg.clk_freq = 100000;
+
+	/*
+	 * The spec says, in case of std. mode the divider is
+	 * 2 whereas it is 3 for fast and fastplus mode of
+	 * operation. TODO - high speed support.
+	 */
+	div = (dev->cfg.clk_freq > 100000) ? 3 : 2;
+
+	/*
+	 * generate the mask for baud rate counters. The controller
+	 * has two baud rate counters. One is used for High speed
+	 * operation, and the other is for std, fast mode, fast mode
+	 * plus operation. Currently we do not supprt high speed mode
+	 * so set brcr1 to 0.
+	 */
+	brcr1 = 0 << 16;
+	brcr2 = (i2c_clk/(dev->cfg.clk_freq * div)) & 0xffff;
+
+	/* set the baud rate counter register */
+	writel((brcr1 | brcr2), dev->virtbase + I2C_BRCR);
+
+	/*
+	 * set the speed mode. Currently we support
+	 * only standard and fast mode of operation
+	 * TODO - support for fast mode plus (upto 1Mb/s)
+	 * and high speed (up to 3.4 Mb/s)
+	 */
+	if (dev->cfg.sm > I2C_FREQ_MODE_FAST) {
+		dev_err(&dev->pdev->dev, "do not support this mode "
+			"defaulting to std. mode\n");
+		brcr2 = i2c_clk/(100000 * 2) & 0xffff;
+		writel((brcr1 | brcr2), dev->virtbase + I2C_BRCR);
+		writel(I2C_FREQ_MODE_STANDARD << 4,
+				dev->virtbase + I2C_CR);
+	}
+	writel(dev->cfg.sm << 4, dev->virtbase + I2C_CR);
+
+	/* set the Tx and Rx FIFO threshold */
+	writel(dev->cfg.tft, dev->virtbase + I2C_TFTR);
+	writel(dev->cfg.rft, dev->virtbase + I2C_RFTR);
+}
+
+/**
+ * read_i2c() - Read from I2C client device
+ * @dev: private data of I2C Driver
+ *
+ * This function reads from i2c client device when controller is in
+ * master mode. There is a completion timeout. If there is no transfer
+ * before timeout error is returned.
+ */
+static int read_i2c(struct nmk_i2c_dev *dev)
+{
+	u32 status = 0;
+	u32 mcr;
+	u32 irq_mask = 0;
+	int timeout;
+
+	mcr = load_i2c_mcr_reg(dev);
+	writel(mcr, dev->virtbase + I2C_MCR);
+
+	/* load the current CR value */
+	writel(readl(dev->virtbase + I2C_CR) | DEFAULT_I2C_REG_CR,
+			dev->virtbase + I2C_CR);
+
+	/* enable the controller */
+	i2c_set_bit(dev->virtbase + I2C_CR, I2C_CR_PE);
+
+	init_completion(&dev->xfer_complete);
+
+	/* enable interrupts by setting the mask */
+	irq_mask = (I2C_IT_RXFNF | I2C_IT_RXFF |
+			I2C_IT_MAL | I2C_IT_BERR);
+
+	if (dev->stop)
+		irq_mask |= I2C_IT_MTD;
+	else
+		irq_mask |= I2C_IT_MTDWS;
+
+	irq_mask = I2C_CLEAR_ALL_INTS & IRQ_MASK(irq_mask);
+
+	writel(readl(dev->virtbase + I2C_IMSCR) | irq_mask,
+			dev->virtbase + I2C_IMSCR);
+
+	timeout = wait_for_completion_interruptible_timeout(
+		&dev->xfer_complete, msecs_to_jiffies(I2C_TIMEOUT_MS));
+
+	if (timeout < 0) {
+		dev_err(&dev->pdev->dev,
+			"wait_for_completion_interruptible_timeout"
+			"returned %d waiting for event\n", timeout);
+		status = timeout;
+	}
+
+	if (timeout == 0) {
+		/* controler has timedout, re-init the h/w */
+		dev_err(&dev->pdev->dev, "controller timed out, re-init h/w\n");
+		(void) init_hw(dev);
+		status = -ETIMEDOUT;
+	}
+
+	return status;
+}
+
+/**
+ * write_i2c() - Write data to I2C client.
+ * @dev: private data of I2C Driver
+ *
+ * This function writes data to I2C client
+ */
+static int write_i2c(struct nmk_i2c_dev *dev)
+{
+	u32 status = 0;
+	u32 mcr;
+	u32 irq_mask = 0;
+	int timeout;
+
+	mcr = load_i2c_mcr_reg(dev);
+
+	writel(mcr, dev->virtbase + I2C_MCR);
+
+	/* load the current CR value */
+	writel(readl(dev->virtbase + I2C_CR) | DEFAULT_I2C_REG_CR,
+			dev->virtbase + I2C_CR);
+
+	/* enable the controller */
+	i2c_set_bit(dev->virtbase + I2C_CR , I2C_CR_PE);
+
+	init_completion(&dev->xfer_complete);
+
+	/* enable interrupts by settings the masks */
+	irq_mask = (I2C_IT_TXFNE | I2C_IT_TXFOVR |
+			I2C_IT_MAL | I2C_IT_BERR);
+
+	/*
+	 * check if we want to transfer a single or multiple bytes, if so
+	 * set the MTDWS bit (Master Transaction Done Without Stop)
+	 * to start repeated start operation
+	 */
+	if (dev->stop)
+		irq_mask |= I2C_IT_MTD;
+	else
+		irq_mask |= I2C_IT_MTDWS;
+
+	irq_mask = I2C_CLEAR_ALL_INTS & IRQ_MASK(irq_mask);
+
+	writel(readl(dev->virtbase + I2C_IMSCR) | irq_mask,
+			dev->virtbase + I2C_IMSCR);
+
+	timeout = wait_for_completion_interruptible_timeout(
+		&dev->xfer_complete, msecs_to_jiffies(I2C_TIMEOUT_MS));
+
+	if (timeout < 0) {
+		dev_err(&dev->pdev->dev,
+			"wait_for_completion_interruptible_timeout"
+			"returned %d waiting for event\n", timeout);
+		status = timeout;
+	}
+
+	if (timeout == 0) {
+		/* controler has timedout, re-init the h/w */
+		dev_err(&dev->pdev->dev, "controller timed out, re-init h/w\n");
+		(void) init_hw(dev);
+		status = -ETIMEDOUT;
+	}
+
+	return status;
+}
+
+/**
+ * nmk_i2c_xfer() - I2C transfer function used by kernel framework
+ * @i2c_adap 	- Adapter pointer to the controller
+ * @msgs[] - Pointer to data to be written.
+ * @num_msgs - Number of messages to be executed
+ *
+ * This is the function called by the generic kernel i2c_transfer()
+ * or i2c_smbus...() API calls. Note that this code is protected by the
+ * semaphore set in the kernel i2c_transfer() function.
+ *
+ * NOTE:
+ * READ TRANSFER : We impose a restriction of the first message to be the
+ * 		index message for any read transaction.
+ * 		- a no index is coded as '0',
+ * 		- 2byte big endian index is coded as '3'
+ * 		!!! msg[0].buf holds the actual index.
+ * 		This is compatible with generic messages of smbus emulator
+ * 		that send a one byte index.
+ * 		eg. a I2C transation to read 2 bytes from index 0
+ *			idx = 0;
+ *			msg[0].addr = client->addr;
+ *			msg[0].flags = 0x0;
+ *			msg[0].len = 1;
+ *			msg[0].buf = &idx;
+ *
+ *			msg[1].addr = client->addr;
+ *			msg[1].flags = I2C_M_RD;
+ *			msg[1].len = 2;
+ *			msg[1].buf = rd_buff
+ *			i2c_transfer(adap, msg, 2);
+ *
+ * WRITE TRANSFER : The I2C standard interface interprets all data as payload.
+ *		If you want to emulate an SMBUS write transaction put the
+ *		index as first byte(or first and second) in the payload.
+ *		eg. a I2C transation to write 2 bytes from index 1
+ *			wr_buff[0] = 0x1;
+ *			wr_buff[1] = 0x23;
+ *			wr_buff[2] = 0x46;
+ *			msg[0].flags = 0x0;
+ *			msg[0].len = 3;
+ *			msg[0].buf = wr_buff;
+ *			i2c_transfer(adap, msg, 1);
+ *
+ * To read or write a block of data (multiple bytes) using SMBUS emulation
+ * please use the i2c_smbus_read_i2c_block_data()
+ * or i2c_smbus_write_i2c_block_data() API
+ */
+static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
+		struct i2c_msg msgs[], int num_msgs)
+{
+	int status;
+	int i;
+	u32 cause;
+	struct nmk_i2c_dev *dev = i2c_get_adapdata(i2c_adap);
+
+	status = init_hw(dev);
+	if (status)
+		return status;
+
+	/* setup the i2c controller */
+	setup_i2c_controller(dev);
+
+	for (i = 0; i < num_msgs; i++) {
+		if (unlikely(msgs[i].flags & I2C_M_TEN)) {
+			dev_err(&dev->pdev->dev, "10 bit addressing"
+					"not supported\n");
+			return -EINVAL;
+		}
+		dev->cli.slave_adr	= msgs[i].addr;
+		dev->cli.buffer		= msgs[i].buf;
+		dev->cli.count		= msgs[i].len;
+		dev->stop = (i < (num_msgs - 1)) ? 0 : 1;
+		dev->result = 0;
+
+		if (msgs[i].flags & I2C_M_RD) {
+			/* it is a read operation */
+			dev->cli.operation = I2C_READ;
+			status = read_i2c(dev);
+		} else {
+			/* write operation */
+			dev->cli.operation = I2C_WRITE;
+			status = write_i2c(dev);
+		}
+		if (status || (dev->result)) {
+			/* get the abort cause */
+			cause =	(readl(dev->virtbase + I2C_SR) >> 4) & 0x7;
+			dev_err(&dev->pdev->dev, "error during I2C"
+					"message xfer: %d\n", cause);
+			dev_err(&dev->pdev->dev, "%s\n",
+				cause >= ARRAY_SIZE(abort_causes)
+				? "unknown reason" : abort_causes[cause]);
+			return status;
+		}
+		mdelay(1);
+	}
+	/* return the no. messages processed */
+	if (status)
+		return status;
+	else
+		return num_msgs;
+}
+
+/**
+ * disable_interrupts() - disable the interrupts
+ * @dev: private data of controller
+ */
+static int disable_interrupts(struct nmk_i2c_dev *dev, u32 irq)
+{
+	irq = IRQ_MASK(irq);
+	writel(readl(dev->virtbase + I2C_IMSCR) & ~(I2C_CLEAR_ALL_INTS & irq),
+			dev->virtbase + I2C_IMSCR);
+	return 0;
+}
+
+/**
+ * i2c_irq_handler() - interrupt routine
+ * @irq: interrupt number
+ * @arg: data passed to the handler
+ *
+ * This is the interrupt handler for the i2c driver. Currently
+ * it handles the major interrupts like Rx & Tx FIFO management
+ * interrupts, master transaction interrupts, arbitration and
+ * bus error interrupts. The rest of the interrupts are treated as
+ * unhandled.
+ */
+static irqreturn_t i2c_irq_handler(int irq, void *arg)
+{
+	struct nmk_i2c_dev *dev = arg;
+	u32 tft, rft;
+	u32 count;
+	u32 misr;
+	u32 src = 0;
+
+	/* load Tx FIFO and Rx FIFO threshold values */
+	tft = readl(dev->virtbase + I2C_TFTR);
+	rft = readl(dev->virtbase + I2C_RFTR);
+
+	/* read interrupt status register */
+	misr = readl(dev->virtbase + I2C_MISR);
+
+	src = __ffs(misr);
+	switch ((1 << src)) {
+
+	/* Transmit FIFO nearly empty interrupt */
+	case I2C_IT_TXFNE:
+	{
+		if (dev->cli.operation == I2C_READ) {
+			/*
+			 * in read operation why do we care for writing?
+			 * so disable the Transmit FIFO interrupt
+			 */
+			disable_interrupts(dev, I2C_IT_TXFNE);
+		} else {
+			for (count = (MAX_I2C_FIFO_THRESHOLD - tft - 2);
+					(count > 0) &&
+					(dev->cli.count != 0);
+					count--) {
+				/* write to the Tx FIFO */
+				writeb(*dev->cli.buffer,
+					dev->virtbase + I2C_TFR);
+				dev->cli.buffer++;
+				dev->cli.count--;
+				dev->cli.xfer_bytes++;
+			}
+			/*
+			 * if done, close the transfer by disabling the
+			 * corresponding TXFNE interrupt
+			 */
+			if (dev->cli.count == 0)
+				disable_interrupts(dev,	I2C_IT_TXFNE);
+		}
+	}
+	break;
+
+	/*
+	 * Rx FIFO nearly full interrupt.
+	 * This is set when the numer of entries in Rx FIFO is
+	 * greater or equal than the threshold value programmed
+	 * in RFT
+	 */
+	case I2C_IT_RXFNF:
+		for (count = rft; count > 0; count--) {
+			/* Read the Rx FIFO */
+			*dev->cli.buffer = readb(dev->virtbase + I2C_RFR);
+			dev->cli.buffer++;
+		}
+		dev->cli.count -= rft;
+		dev->cli.xfer_bytes += rft;
+		break;
+
+	/* Rx FIFO full */
+	case I2C_IT_RXFF:
+		for (count = MAX_I2C_FIFO_THRESHOLD; count > 0; count--) {
+			*dev->cli.buffer = readb(dev->virtbase + I2C_RFR);
+			dev->cli.buffer++;
+		}
+		dev->cli.count -= MAX_I2C_FIFO_THRESHOLD;
+		dev->cli.xfer_bytes += MAX_I2C_FIFO_THRESHOLD;
+		break;
+
+	/* Master Transaction Done with/without stop */
+	case I2C_IT_MTD:
+	case I2C_IT_MTDWS:
+		if (dev->cli.operation == I2C_READ) {
+			while (!readl(dev->virtbase + I2C_RISR) & I2C_IT_RXFE) {
+				if (dev->cli.count == 0)
+					break;
+				*dev->cli.buffer =
+					readb(dev->virtbase + I2C_RFR);
+				dev->cli.buffer++;
+				dev->cli.count--;
+				dev->cli.xfer_bytes++;
+			}
+		}
+
+		i2c_set_bit(dev->virtbase + I2C_ICR, I2C_IT_MTD);
+		i2c_set_bit(dev->virtbase + I2C_ICR, I2C_IT_MTDWS);
+
+		disable_interrupts(dev,
+				(I2C_IT_TXFNE | I2C_IT_TXFE | I2C_IT_TXFF
+					| I2C_IT_TXFOVR | I2C_IT_RXFNF
+					| I2C_IT_RXFF | I2C_IT_RXFE));
+
+		if (dev->cli.count) {
+			dev->result = -1;
+			dev_err(&dev->pdev->dev, "%lu bytes still remain to be"
+					"xfered\n", dev->cli.count);
+			(void) init_hw(dev);
+		}
+		complete(&dev->xfer_complete);
+
+		break;
+
+	/* Master Arbitration lost interrupt */
+	case I2C_IT_MAL:
+		dev->result = -1;
+		(void) init_hw(dev);
+
+		i2c_set_bit(dev->virtbase + I2C_ICR, I2C_IT_MAL);
+		complete(&dev->xfer_complete);
+
+		break;
+
+	/*
+	 * Bus Error interrupt.
+	 * This happens when an unexpected start/stop condition occurs
+	 * during the transaction.
+	 */
+	case I2C_IT_BERR:
+		dev->result = -1;
+		/* get the status */
+		if (((readl(dev->virtbase + I2C_SR) >> 2) & 0x3) == I2C_ABORT)
+			(void) init_hw(dev);
+
+		i2c_set_bit(dev->virtbase + I2C_ICR, I2C_IT_BERR);
+		complete(&dev->xfer_complete);
+
+		break;
+
+	/*
+	 * Tx FIFO overrun interrupt.
+	 * This is set when a write operation in Tx FIFO is performed and
+	 * the Tx FIFO is full.
+	 */
+	case I2C_IT_TXFOVR:
+		dev->result = -1;
+		(void) init_hw(dev);
+
+		dev_err(&dev->pdev->dev, "Tx Fifo Over run\n");
+		complete(&dev->xfer_complete);
+
+		break;
+
+	/* unhandled interrupts by this driver - TODO*/
+	case I2C_IT_TXFE:
+	case I2C_IT_TXFF:
+	case I2C_IT_RXFE:
+	case I2C_IT_RFSR:
+	case I2C_IT_RFSE:
+	case I2C_IT_WTSR:
+	case I2C_IT_STD:
+		dev_err(&dev->pdev->dev, "unhandled Interrupt\n");
+		break;
+	default:
+		dev_err(&dev->pdev->dev, "spurious Interrupt..\n");
+		break;
+	}
+
+	return IRQ_HANDLED;
+}
+
+static unsigned int nmk_i2c_functionality(struct i2c_adapter *adap)
+{
+	return I2C_FUNC_I2C
+		| I2C_FUNC_SMBUS_BYTE_DATA
+		| I2C_FUNC_SMBUS_WORD_DATA
+		| I2C_FUNC_SMBUS_I2C_BLOCK;
+}
+
+static const struct i2c_algorithm nmk_i2c_algo = {
+	.master_xfer	= nmk_i2c_xfer,
+	.functionality	= nmk_i2c_functionality
+};
+
+static int __devinit nmk_i2c_probe(struct platform_device *pdev)
+{
+	int ret = 0;
+	struct resource *res;
+	struct nmk_i2c_controller *pdata =
+			pdev->dev.platform_data;
+	struct nmk_i2c_dev	*dev;
+	struct i2c_adapter *adap;
+
+	dev = kzalloc(sizeof(struct nmk_i2c_dev), GFP_KERNEL);
+	if (!dev) {
+		dev_err(&pdev->dev, "cannot allocate memory\n");
+		ret = -ENOMEM;
+		goto err_no_mem;
+	}
+
+	dev->pdev = pdev;
+	platform_set_drvdata(pdev, dev);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res) {
+		ret = -ENOENT;
+		goto err_no_resource;
+	}
+
+	if (request_mem_region(res->start, resource_size(res),
+		DRIVER_NAME "I/O region") == 	NULL)	{
+		ret = -EBUSY;
+		goto err_no_region;
+	}
+
+	dev->virtbase = ioremap(res->start, resource_size(res));
+	if (!dev->virtbase) {
+		ret = -ENOMEM;
+		goto err_no_ioremap;
+	}
+
+	dev->irq = platform_get_irq(pdev, 0);
+	ret = request_irq(dev->irq, i2c_irq_handler, IRQF_DISABLED,
+				DRIVER_NAME, dev);
+	if (ret) {
+		dev_err(&pdev->dev, "cannot claim the irq %d\n", dev->irq);
+		goto err_irq;
+	}
+
+	dev->clk = clk_get(&pdev->dev, NULL);
+	if (IS_ERR(dev->clk)) {
+		dev_err(&pdev->dev, "could not get i2c clock\n");
+		ret = PTR_ERR(dev->clk);
+		goto err_no_clk;
+	}
+
+	clk_enable(dev->clk);
+
+	adap = &dev->adap;
+	adap->dev.parent = &pdev->dev;
+	adap->owner	= THIS_MODULE;
+	adap->class	= I2C_CLASS_HWMON | I2C_CLASS_SPD;
+	adap->algo	= &nmk_i2c_algo;
+
+	/* fetch the controller id */
+	adap->nr	= pdev->id;
+
+	/* fetch the controller configuration from machine */
+	dev->cfg.clk_freq = pdata->clk_freq;
+	dev->cfg.slsu	= pdata->slsu;
+	dev->cfg.tft	= pdata->tft;
+	dev->cfg.rft	= pdata->rft;
+	dev->cfg.sm	= pdata->sm;
+
+	i2c_set_adapdata(adap, dev);
+
+	ret = init_hw(dev);
+	if (ret != 0) {
+		dev_err(&pdev->dev, "error in initializing i2c hardware\n");
+		goto err_init_hw;
+	}
+
+	dev_dbg(&pdev->dev, "initialize I2C%d bus on virtual "
+		"base %p\n", pdev->id, dev->virtbase);
+
+	ret = i2c_add_numbered_adapter(adap);
+	if (ret) {
+		dev_err(&pdev->dev, "failed to add adapter\n");
+		goto err_add_adap;
+	}
+
+	return 0;
+
+ err_init_hw:
+	clk_disable(dev->clk);
+ err_add_adap:
+	clk_put(dev->clk);
+ err_no_clk:
+	free_irq(dev->irq, dev);
+ err_irq:
+	iounmap(dev->virtbase);
+ err_no_ioremap:
+	release_mem_region(res->start, resource_size(res));
+ err_no_region:
+	platform_set_drvdata(pdev, NULL);
+ err_no_resource:
+	kfree(dev);
+ err_no_mem:
+
+	return ret;
+}
+
+static int __devexit nmk_i2c_remove(struct platform_device *pdev)
+{
+	struct nmk_i2c_dev *dev = platform_get_drvdata(pdev);
+
+	i2c_del_adapter(&dev->adap);
+	flush_i2c_fifo(dev);
+	disable_all_interrupts(dev);
+	clear_all_interrupts(dev);
+	/* disable the controller */
+	i2c_clr_bit(dev->virtbase + I2C_CR, I2C_CR_PE);
+	free_irq(dev->irq, dev);
+	iounmap(dev->virtbase);
+	clk_disable(dev->clk);
+	clk_put(dev->clk);
+	platform_set_drvdata(pdev, NULL);
+	kfree(dev);
+
+	return 0;
+}
+
+static struct platform_driver nmk_i2c_driver = {
+	.driver = {
+		.owner = THIS_MODULE,
+		.name = DRIVER_NAME,
+	},
+	.probe = nmk_i2c_probe,
+	.remove = __devexit_p(nmk_i2c_remove),
+};
+
+static int __init nmk_i2c_init(void)
+{
+	return platform_driver_register(&nmk_i2c_driver);
+}
+
+static void __exit nmk_i2c_exit(void)
+{
+	platform_driver_unregister(&nmk_i2c_driver);
+}
+
+subsys_initcall(nmk_i2c_init);
+module_exit(nmk_i2c_exit);
+
+MODULE_AUTHOR("Sachin Verma, Srinidhi KASAGAR");
+MODULE_DESCRIPTION("Nomadik/Ux500 I2C driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c
index 0037e31076ba..c7c237537f81 100644
--- a/drivers/i2c/busses/i2c-omap.c
+++ b/drivers/i2c/busses/i2c-omap.c
@@ -49,24 +49,24 @@
 #define OMAP_I2C_TIMEOUT (msecs_to_jiffies(1000))
 
 #define OMAP_I2C_REV_REG		0x00
-#define OMAP_I2C_IE_REG			0x04
-#define OMAP_I2C_STAT_REG		0x08
-#define OMAP_I2C_IV_REG			0x0c
+#define OMAP_I2C_IE_REG			0x01
+#define OMAP_I2C_STAT_REG		0x02
+#define OMAP_I2C_IV_REG			0x03
 /* For OMAP3 I2C_IV has changed to I2C_WE (wakeup enable) */
-#define OMAP_I2C_WE_REG			0x0c
-#define OMAP_I2C_SYSS_REG		0x10
-#define OMAP_I2C_BUF_REG		0x14
-#define OMAP_I2C_CNT_REG		0x18
-#define OMAP_I2C_DATA_REG		0x1c
-#define OMAP_I2C_SYSC_REG		0x20
-#define OMAP_I2C_CON_REG		0x24
-#define OMAP_I2C_OA_REG			0x28
-#define OMAP_I2C_SA_REG			0x2c
-#define OMAP_I2C_PSC_REG		0x30
-#define OMAP_I2C_SCLL_REG		0x34
-#define OMAP_I2C_SCLH_REG		0x38
-#define OMAP_I2C_SYSTEST_REG		0x3c
-#define OMAP_I2C_BUFSTAT_REG		0x40
+#define OMAP_I2C_WE_REG			0x03
+#define OMAP_I2C_SYSS_REG		0x04
+#define OMAP_I2C_BUF_REG		0x05
+#define OMAP_I2C_CNT_REG		0x06
+#define OMAP_I2C_DATA_REG		0x07
+#define OMAP_I2C_SYSC_REG		0x08
+#define OMAP_I2C_CON_REG		0x09
+#define OMAP_I2C_OA_REG			0x0a
+#define OMAP_I2C_SA_REG			0x0b
+#define OMAP_I2C_PSC_REG		0x0c
+#define OMAP_I2C_SCLL_REG		0x0d
+#define OMAP_I2C_SCLH_REG		0x0e
+#define OMAP_I2C_SYSTEST_REG		0x0f
+#define OMAP_I2C_BUFSTAT_REG		0x10
 
 /* I2C Interrupt Enable Register (OMAP_I2C_IE): */
 #define OMAP_I2C_IE_XDR		(1 << 14)	/* TX Buffer drain int enable */
@@ -161,6 +161,7 @@ struct omap_i2c_dev {
 	struct device		*dev;
 	void __iomem		*base;		/* virtual */
 	int			irq;
+	int			reg_shift;      /* bit shift for I2C register addresses */
 	struct clk		*iclk;		/* Interface clock */
 	struct clk		*fclk;		/* Functional clock */
 	struct completion	cmd_complete;
@@ -189,12 +190,12 @@ struct omap_i2c_dev {
 static inline void omap_i2c_write_reg(struct omap_i2c_dev *i2c_dev,
 				      int reg, u16 val)
 {
-	__raw_writew(val, i2c_dev->base + reg);
+	__raw_writew(val, i2c_dev->base + (reg << i2c_dev->reg_shift));
 }
 
 static inline u16 omap_i2c_read_reg(struct omap_i2c_dev *i2c_dev, int reg)
 {
-	return __raw_readw(i2c_dev->base + reg);
+	return __raw_readw(i2c_dev->base + (reg << i2c_dev->reg_shift));
 }
 
 static int __init omap_i2c_get_clocks(struct omap_i2c_dev *dev)
@@ -849,7 +850,7 @@ static const struct i2c_algorithm omap_i2c_algo = {
 	.functionality	= omap_i2c_func,
 };
 
-static int __init
+static int __devinit
 omap_i2c_probe(struct platform_device *pdev)
 {
 	struct omap_i2c_dev	*dev;
@@ -924,6 +925,11 @@ omap_i2c_probe(struct platform_device *pdev)
 		dev->b_hw = 1; /* Enable hardware fixes */
 	}
 
+	if (cpu_is_omap7xx())
+		dev->reg_shift = 1;
+	else
+		dev->reg_shift = 2;
+
 	/* reset ASAP, clearing any IRQs */
 	omap_i2c_init(dev);
 
diff --git a/drivers/i2c/busses/i2c-parport-light.c b/drivers/i2c/busses/i2c-parport-light.c
index 322c5691e38e..5f41ec0f72d2 100644
--- a/drivers/i2c/busses/i2c-parport-light.c
+++ b/drivers/i2c/busses/i2c-parport-light.c
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------ *
  * i2c-parport-light.c I2C bus over parallel port                           *
  * ------------------------------------------------------------------------ *
-   Copyright (C) 2003-2007 Jean Delvare <khali@linux-fr.org>
+   Copyright (C) 2003-2010 Jean Delvare <khali@linux-fr.org>
    
    Based on older i2c-velleman.c driver
    Copyright (C) 1995-2000 Simon G. Vogl
@@ -27,10 +27,12 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/ioport.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
+#include <linux/i2c-smbus.h>
 #include <asm/io.h>
 #include "i2c-parport.h"
 
@@ -43,6 +45,10 @@ static u16 base;
 module_param(base, ushort, 0);
 MODULE_PARM_DESC(base, "Base I/O address");
 
+static int irq;
+module_param(irq, int, 0);
+MODULE_PARM_DESC(irq, "IRQ (optional)");
+
 /* ----- Low-level parallel port access ----------------------------------- */
 
 static inline void port_write(unsigned char p, unsigned char d)
@@ -119,6 +125,16 @@ static struct i2c_adapter parport_adapter = {
 	.name		= "Parallel port adapter (light)",
 };
 
+/* SMBus alert support */
+static struct i2c_smbus_alert_setup alert_data = {
+	.alert_edge_triggered	= 1,
+};
+static struct i2c_client *ara;
+static struct lineop parport_ctrl_irq = {
+	.val		= (1 << 4),
+	.port		= CTRL,
+};
+
 static int __devinit i2c_parport_probe(struct platform_device *pdev)
 {
 	int err;
@@ -127,18 +143,39 @@ static int __devinit i2c_parport_probe(struct platform_device *pdev)
 	parport_setsda(NULL, 1);
 	parport_setscl(NULL, 1);
 	/* Other init if needed (power on...) */
-	if (adapter_parm[type].init.val)
+	if (adapter_parm[type].init.val) {
 		line_set(1, &adapter_parm[type].init);
+		/* Give powered devices some time to settle */
+		msleep(100);
+	}
 
 	parport_adapter.dev.parent = &pdev->dev;
 	err = i2c_bit_add_bus(&parport_adapter);
-	if (err)
+	if (err) {
 		dev_err(&pdev->dev, "Unable to register with I2C\n");
-	return err;
+		return err;
+	}
+
+	/* Setup SMBus alert if supported */
+	if (adapter_parm[type].smbus_alert && irq) {
+		alert_data.irq = irq;
+		ara = i2c_setup_smbus_alert(&parport_adapter, &alert_data);
+		if (ara)
+			line_set(1, &parport_ctrl_irq);
+		else
+			dev_warn(&pdev->dev, "Failed to register ARA client\n");
+	}
+
+	return 0;
 }
 
 static int __devexit i2c_parport_remove(struct platform_device *pdev)
 {
+	if (ara) {
+		line_set(0, &parport_ctrl_irq);
+		i2c_unregister_device(ara);
+		ara = NULL;
+	}
 	i2c_del_adapter(&parport_adapter);
 
 	/* Un-init if needed (power off...) */
@@ -205,6 +242,9 @@ static int __init i2c_parport_init(void)
 	if (!request_region(base, 3, DRVNAME))
 		return -EBUSY;
 
+	if (irq != 0)
+		pr_info(DRVNAME ": using irq %d\n", irq);
+
         if (!adapter_parm[type].getscl.val)
 		parport_algo_data.getscl = NULL;
 
diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c
index 0d8998610c74..220fca7f23a6 100644
--- a/drivers/i2c/busses/i2c-parport.c
+++ b/drivers/i2c/busses/i2c-parport.c
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------ *
  * i2c-parport.c I2C bus over parallel port                                 *
  * ------------------------------------------------------------------------ *
-   Copyright (C) 2003-2007 Jean Delvare <khali@linux-fr.org>
+   Copyright (C) 2003-2010 Jean Delvare <khali@linux-fr.org>
    
    Based on older i2c-philips-par.c driver
    Copyright (C) 1995-2000 Simon G. Vogl
@@ -27,9 +27,11 @@
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/delay.h>
 #include <linux/parport.h>
 #include <linux/i2c.h>
 #include <linux/i2c-algo-bit.h>
+#include <linux/i2c-smbus.h>
 #include "i2c-parport.h"
 
 /* ----- Device list ------------------------------------------------------ */
@@ -38,6 +40,8 @@ struct i2c_par {
 	struct pardevice *pdev;
 	struct i2c_adapter adapter;
 	struct i2c_algo_bit_data algo_data;
+	struct i2c_smbus_alert_setup alert_data;
+	struct i2c_client *ara;
 	struct i2c_par *next;
 };
 
@@ -143,6 +147,19 @@ static struct i2c_algo_bit_data parport_algo_data = {
 
 /* ----- I2c and parallel port call-back functions and structures --------- */
 
+void i2c_parport_irq(void *data)
+{
+	struct i2c_par *adapter = data;
+	struct i2c_client *ara = adapter->ara;
+
+	if (ara) {
+		dev_dbg(&ara->dev, "SMBus alert received\n");
+		i2c_handle_smbus_alert(ara);
+	} else
+		dev_dbg(&adapter->adapter.dev,
+			"SMBus alert received but no ARA client!\n");
+}
+
 static void i2c_parport_attach (struct parport *port)
 {
 	struct i2c_par *adapter;
@@ -154,8 +171,9 @@ static void i2c_parport_attach (struct parport *port)
 	}
 
 	pr_debug("i2c-parport: attaching to %s\n", port->name);
+	parport_disable_irq(port);
 	adapter->pdev = parport_register_device(port, "i2c-parport",
-		NULL, NULL, NULL, PARPORT_FLAG_EXCL, NULL);
+		NULL, NULL, i2c_parport_irq, PARPORT_FLAG_EXCL, adapter);
 	if (!adapter->pdev) {
 		printk(KERN_ERR "i2c-parport: Unable to register with parport\n");
 		goto ERROR0;
@@ -185,14 +203,29 @@ static void i2c_parport_attach (struct parport *port)
 	parport_setsda(port, 1);
 	parport_setscl(port, 1);
 	/* Other init if needed (power on...) */
-	if (adapter_parm[type].init.val)
+	if (adapter_parm[type].init.val) {
 		line_set(port, 1, &adapter_parm[type].init);
+		/* Give powered devices some time to settle */
+		msleep(100);
+	}
 
 	if (i2c_bit_add_bus(&adapter->adapter) < 0) {
 		printk(KERN_ERR "i2c-parport: Unable to register with I2C\n");
 		goto ERROR1;
 	}
 
+	/* Setup SMBus alert if supported */
+	if (adapter_parm[type].smbus_alert) {
+		adapter->alert_data.alert_edge_triggered = 1;
+		adapter->ara = i2c_setup_smbus_alert(&adapter->adapter,
+						     &adapter->alert_data);
+		if (adapter->ara)
+			parport_enable_irq(port);
+		else
+			printk(KERN_WARNING "i2c-parport: Failed to register "
+			       "ARA client\n");
+	}
+
 	/* Add the new adapter to the list */
 	adapter->next = adapter_list;
 	adapter_list = adapter;
@@ -213,6 +246,10 @@ static void i2c_parport_detach (struct parport *port)
 	for (prev = NULL, adapter = adapter_list; adapter;
 	     prev = adapter, adapter = adapter->next) {
 		if (adapter->pdev->port == port) {
+			if (adapter->ara) {
+				parport_disable_irq(port);
+				i2c_unregister_device(adapter->ara);
+			}
 			i2c_del_adapter(&adapter->adapter);
 
 			/* Un-init if needed (power off...) */
diff --git a/drivers/i2c/busses/i2c-parport.h b/drivers/i2c/busses/i2c-parport.h
index ed69d846cb95..a9f66816546c 100644
--- a/drivers/i2c/busses/i2c-parport.h
+++ b/drivers/i2c/busses/i2c-parport.h
@@ -1,7 +1,7 @@
 /* ------------------------------------------------------------------------ *
  * i2c-parport.h I2C bus over parallel port                                 *
  * ------------------------------------------------------------------------ *
-   Copyright (C) 2003-2004 Jean Delvare <khali@linux-fr.org>
+   Copyright (C) 2003-2010 Jean Delvare <khali@linux-fr.org>
    
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -38,6 +38,7 @@ struct adapter_parm {
 	struct lineop getsda;
 	struct lineop getscl;
 	struct lineop init;
+	unsigned int smbus_alert:1;
 };
 
 static struct adapter_parm adapter_parm[] = {
@@ -73,6 +74,7 @@ static struct adapter_parm adapter_parm[] = {
 		.setscl	= { 0x01, DATA, 1 },
 		.getsda	= { 0x10, STAT, 1 },
 		.init	= { 0xf0, DATA, 0 },
+		.smbus_alert = 1,
 	},
 	/* type 5: ADM1025, ADM1030 and ADM1031 evaluation boards */
 	{
diff --git a/drivers/i2c/busses/i2c-pasemi.c b/drivers/i2c/busses/i2c-pasemi.c
index adf0fbb902f0..0d20ff46a518 100644
--- a/drivers/i2c/busses/i2c-pasemi.c
+++ b/drivers/i2c/busses/i2c-pasemi.c
@@ -400,7 +400,7 @@ static void __devexit pasemi_smb_remove(struct pci_dev *dev)
 	kfree(smbus);
 }
 
-static struct pci_device_id pasemi_smb_ids[] = {
+static const struct pci_device_id pasemi_smb_ids[] = {
 	{ PCI_DEVICE(0x1959, 0xa003) },
 	{ 0, }
 };
diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c
index e56e4b6823ca..ee9da6fcf69a 100644
--- a/drivers/i2c/busses/i2c-piix4.c
+++ b/drivers/i2c/busses/i2c-piix4.c
@@ -472,7 +472,7 @@ static struct i2c_adapter piix4_adapter = {
 	.algo		= &smbus_algorithm,
 };
 
-static struct pci_device_id piix4_ids[] = {
+static const struct pci_device_id piix4_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82443MX_3) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_EFAR, PCI_DEVICE_ID_EFAR_SLC90E66_3) },
diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c
index 2b0bd0b042d6..9532dee6b580 100644
--- a/drivers/i2c/busses/i2c-pnx.c
+++ b/drivers/i2c/busses/i2c-pnx.c
@@ -172,12 +172,6 @@ static int i2c_pnx_master_xmit(struct i2c_pnx_algo_data *alg_data)
 		/* We still have something to talk about... */
 		val = *alg_data->mif.buf++;
 
-		if (alg_data->mif.len == 1) {
-			val |= stop_bit;
-			if (!alg_data->last)
-				val |= start_bit;
-		}
-
 		alg_data->mif.len--;
 		iowrite32(val, I2C_REG_TX(alg_data));
 
@@ -251,11 +245,6 @@ static int i2c_pnx_master_rcv(struct i2c_pnx_algo_data *alg_data)
 			__func__);
 
 		if (alg_data->mif.len == 1) {
-			/* Last byte, do not acknowledge next rcv. */
-			val |= stop_bit;
-			if (!alg_data->last)
-				val |= start_bit;
-
 			/*
 			 * Enable interrupt RFDAIE (data in Rx fifo),
 			 * and disable DRMIE (need data for Tx)
diff --git a/drivers/i2c/busses/i2c-powermac.c b/drivers/i2c/busses/i2c-powermac.c
index 1c440a70ec61..b289ec99eeba 100644
--- a/drivers/i2c/busses/i2c-powermac.c
+++ b/drivers/i2c/busses/i2c-powermac.c
@@ -122,9 +122,14 @@ static s32 i2c_powermac_smbus_xfer(	struct i2c_adapter*	adap,
 
 	rc = pmac_i2c_xfer(bus, addrdir, subsize, subaddr, buf, len);
 	if (rc) {
-		dev_err(&adap->dev,
-			"I2C transfer at 0x%02x failed, size %d, err %d\n",
-			addrdir >> 1, size, rc);
+		if (rc == -ENXIO)
+			dev_dbg(&adap->dev,
+				"I2C transfer at 0x%02x failed, size %d, "
+				"err %d\n", addrdir >> 1, size, rc);
+		else
+			dev_err(&adap->dev,
+				"I2C transfer at 0x%02x failed, size %d, "
+				"err %d\n", addrdir >> 1, size, rc);
 		goto bail;
 	}
 
@@ -175,10 +180,16 @@ static int i2c_powermac_master_xfer(	struct i2c_adapter *adap,
 		goto bail;
 	}
 	rc = pmac_i2c_xfer(bus, addrdir, 0, 0, msgs->buf, msgs->len);
-	if (rc < 0)
-		dev_err(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
-			addrdir & 1 ? "read from" : "write to", addrdir >> 1,
-			rc);
+	if (rc < 0) {
+		if (rc == -ENXIO)
+			dev_dbg(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
+				addrdir & 1 ? "read from" : "write to",
+				addrdir >> 1, rc);
+		else
+			dev_err(&adap->dev, "I2C %s 0x%02x failed, err %d\n",
+				addrdir & 1 ? "read from" : "write to",
+				addrdir >> 1, rc);
+	}
  bail:
 	pmac_i2c_close(bus);
 	return rc < 0 ? rc : 1;
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index 7647a20523a0..90ffbf6f9d4f 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -12,7 +12,7 @@
  *
  *  History:
  *    Apr 2002: Initial version [CS]
- *    Jun 2002: Properly seperated algo/adap [FB]
+ *    Jun 2002: Properly separated algo/adap [FB]
  *    Jan 2003: Fixed several bugs concerning interrupt handling [Kai-Uwe Bloem]
  *    Jan 2003: added limited signal handling [Kai-Uwe Bloem]
  *    Sep 2004: Major rework to ensure efficient bus handling [RMK]
diff --git a/drivers/i2c/busses/i2c-scmi.c b/drivers/i2c/busses/i2c-scmi.c
index 365e0becaf12..388cbdc96db7 100644
--- a/drivers/i2c/busses/i2c-scmi.c
+++ b/drivers/i2c/busses/i2c-scmi.c
@@ -33,6 +33,7 @@ struct acpi_smbus_cmi {
 	u8 cap_info:1;
 	u8 cap_read:1;
 	u8 cap_write:1;
+	struct smbus_methods_t *methods;
 };
 
 static const struct smbus_methods_t smbus_methods = {
@@ -41,10 +42,19 @@ static const struct smbus_methods_t smbus_methods = {
 	.mt_sbw  = "_SBW",
 };
 
+/* Some IBM BIOSes omit the leading underscore */
+static const struct smbus_methods_t ibm_smbus_methods = {
+	.mt_info = "SBI_",
+	.mt_sbr  = "SBR_",
+	.mt_sbw  = "SBW_",
+};
+
 static const struct acpi_device_id acpi_smbus_cmi_ids[] = {
-	{"SMBUS01", 0},
+	{"SMBUS01", (kernel_ulong_t)&smbus_methods},
+	{ACPI_SMBUS_IBM_HID, (kernel_ulong_t)&ibm_smbus_methods},
 	{"", 0}
 };
+MODULE_DEVICE_TABLE(acpi, acpi_smbus_cmi_ids);
 
 #define ACPI_SMBUS_STATUS_OK			0x00
 #define ACPI_SMBUS_STATUS_FAIL			0x07
@@ -150,11 +160,11 @@ acpi_smbus_cmi_access(struct i2c_adapter *adap, u16 addr, unsigned short flags,
 
 	if (read_write == I2C_SMBUS_READ) {
 		protocol |= ACPI_SMBUS_PRTCL_READ;
-		method = smbus_methods.mt_sbr;
+		method = smbus_cmi->methods->mt_sbr;
 		input.count = 3;
 	} else {
 		protocol |= ACPI_SMBUS_PRTCL_WRITE;
-		method = smbus_methods.mt_sbw;
+		method = smbus_cmi->methods->mt_sbw;
 		input.count = 5;
 	}
 
@@ -290,13 +300,13 @@ static int acpi_smbus_cmi_add_cap(struct acpi_smbus_cmi *smbus_cmi,
 	union acpi_object *obj;
 	acpi_status status;
 
-	if (!strcmp(name, smbus_methods.mt_info)) {
+	if (!strcmp(name, smbus_cmi->methods->mt_info)) {
 		status = acpi_evaluate_object(smbus_cmi->handle,
-					smbus_methods.mt_info,
+					smbus_cmi->methods->mt_info,
 					NULL, &buffer);
 		if (ACPI_FAILURE(status)) {
 			ACPI_ERROR((AE_INFO, "Evaluating %s: %i",
-				   smbus_methods.mt_info, status));
+				   smbus_cmi->methods->mt_info, status));
 			return -EIO;
 		}
 
@@ -319,9 +329,9 @@ static int acpi_smbus_cmi_add_cap(struct acpi_smbus_cmi *smbus_cmi,
 
 		kfree(buffer.pointer);
 		smbus_cmi->cap_info = 1;
-	} else if (!strcmp(name, smbus_methods.mt_sbr))
+	} else if (!strcmp(name, smbus_cmi->methods->mt_sbr))
 		smbus_cmi->cap_read = 1;
-	else if (!strcmp(name, smbus_methods.mt_sbw))
+	else if (!strcmp(name, smbus_cmi->methods->mt_sbw))
 		smbus_cmi->cap_write = 1;
 	else
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Unsupported CMI method: %s\n",
@@ -349,6 +359,7 @@ static acpi_status acpi_smbus_cmi_query_methods(acpi_handle handle, u32 level,
 static int acpi_smbus_cmi_add(struct acpi_device *device)
 {
 	struct acpi_smbus_cmi *smbus_cmi;
+	const struct acpi_device_id *id;
 
 	smbus_cmi = kzalloc(sizeof(struct acpi_smbus_cmi), GFP_KERNEL);
 	if (!smbus_cmi)
@@ -362,6 +373,11 @@ static int acpi_smbus_cmi_add(struct acpi_device *device)
 	smbus_cmi->cap_read = 0;
 	smbus_cmi->cap_write = 0;
 
+	for (id = acpi_smbus_cmi_ids; id->id[0]; id++)
+		if (!strcmp(id->id, acpi_device_hid(device)))
+			smbus_cmi->methods =
+				(struct smbus_methods_t *) id->driver_data;
+
 	acpi_walk_namespace(ACPI_TYPE_METHOD, smbus_cmi->handle, 1,
 			    acpi_smbus_cmi_query_methods, NULL, smbus_cmi, NULL);
 
diff --git a/drivers/i2c/busses/i2c-sis5595.c b/drivers/i2c/busses/i2c-sis5595.c
index 844569f7d8b7..55a71370c79b 100644
--- a/drivers/i2c/busses/i2c-sis5595.c
+++ b/drivers/i2c/busses/i2c-sis5595.c
@@ -369,7 +369,7 @@ static struct i2c_adapter sis5595_adapter = {
 	.algo		= &smbus_algorithm,
 };
 
-static struct pci_device_id sis5595_ids[] __devinitdata = {
+static const struct pci_device_id sis5595_ids[] __devinitconst = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) }, 
 	{ 0, }
 };
diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c
index 68cff7af7013..2309c7f1bde2 100644
--- a/drivers/i2c/busses/i2c-sis630.c
+++ b/drivers/i2c/busses/i2c-sis630.c
@@ -468,7 +468,7 @@ static struct i2c_adapter sis630_adapter = {
 	.algo		= &smbus_algorithm,
 };
 
-static struct pci_device_id sis630_ids[] __devinitdata = {
+static const struct pci_device_id sis630_ids[] __devinitconst = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_503) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_LPC) },
 	{ 0, }
diff --git a/drivers/i2c/busses/i2c-sis96x.c b/drivers/i2c/busses/i2c-sis96x.c
index 1649963b00dc..d43d8f8943dd 100644
--- a/drivers/i2c/busses/i2c-sis96x.c
+++ b/drivers/i2c/busses/i2c-sis96x.c
@@ -245,7 +245,7 @@ static struct i2c_adapter sis96x_adapter = {
 	.algo		= &smbus_algorithm,
 };
 
-static struct pci_device_id sis96x_ids[] = {
+static const struct pci_device_id sis96x_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_SI, PCI_DEVICE_ID_SI_SMBUS) },
 	{ 0, }
 };
diff --git a/drivers/i2c/busses/i2c-tiny-usb.c b/drivers/i2c/busses/i2c-tiny-usb.c
index e29b6d5ba8ef..b5b1bbf37d3c 100644
--- a/drivers/i2c/busses/i2c-tiny-usb.c
+++ b/drivers/i2c/busses/i2c-tiny-usb.c
@@ -31,11 +31,13 @@
 #define CMD_I2C_IO_BEGIN	(1<<0)
 #define CMD_I2C_IO_END		(1<<1)
 
-/* i2c bit delay, default is 10us -> 100kHz */
+/* i2c bit delay, default is 10us -> 100kHz max
+   (in practice, due to additional delays in the i2c bitbanging
+   code this results in a i2c clock of about 50kHz) */
 static unsigned short delay = 10;
 module_param(delay, ushort, 0);
-MODULE_PARM_DESC(delay, "bit delay in microseconds, "
-		 "e.g. 10 for 100kHz (default is 100kHz)");
+MODULE_PARM_DESC(delay, "bit delay in microseconds "
+		 "(default is 10us for 100kHz max)");
 
 static int usb_read(struct i2c_adapter *adapter, int cmd,
 		    int value, int index, void *data, int len);
@@ -137,7 +139,7 @@ static const struct i2c_algorithm usb_algorithm = {
  * Future Technology Devices International Ltd., later a pair was
  * bought from EZPrototypes
  */
-static struct usb_device_id i2c_tiny_usb_table [] = {
+static const struct usb_device_id i2c_tiny_usb_table[] = {
 	{ USB_DEVICE(0x0403, 0xc631) },   /* FTDI */
 	{ USB_DEVICE(0x1c40, 0x0534) },   /* EZPrototypes */
 	{ }                               /* Terminating entry */
diff --git a/drivers/i2c/busses/i2c-via.c b/drivers/i2c/busses/i2c-via.c
index 8b24f192103a..de78283bddbe 100644
--- a/drivers/i2c/busses/i2c-via.c
+++ b/drivers/i2c/busses/i2c-via.c
@@ -89,7 +89,7 @@ static struct i2c_adapter vt586b_adapter = {
 };
 
 
-static struct pci_device_id vt586b_ids[] __devinitdata = {
+static const struct pci_device_id vt586b_ids[] __devinitconst = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_3) },
 	{ 0, }
 };
diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index a84a909e1234..d57292e5dae0 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -444,7 +444,7 @@ release_region:
 	return error;
 }
 
-static struct pci_device_id vt596_ids[] = {
+static const struct pci_device_id vt596_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C596_3),
 	  .driver_data = SMBBA1 },
 	{ PCI_DEVICE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C596B_3),
diff --git a/drivers/i2c/busses/i2c-xiic.c b/drivers/i2c/busses/i2c-xiic.c
new file mode 100644
index 000000000000..f0ef8da6c554
--- /dev/null
+++ b/drivers/i2c/busses/i2c-xiic.c
@@ -0,0 +1,825 @@
+/*
+ * i2c-xiic.c
+ * Copyright (c) 2002-2007 Xilinx Inc.
+ * Copyright (c) 2009-2010 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * This code was implemented by Mocean Laboratories AB when porting linux
+ * to the automotive development board Russellville. The copyright holder
+ * as seen in the header is Intel corporation.
+ * Mocean Laboratories forked off the GNU/Linux platform work into a
+ * separate company called Pelagicore AB, which commited the code to the
+ * kernel.
+ */
+
+/* Supports:
+ * Xilinx IIC
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/delay.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/wait.h>
+#include <linux/i2c-xiic.h>
+#include <linux/io.h>
+
+#define DRIVER_NAME "xiic-i2c"
+
+enum xilinx_i2c_state {
+	STATE_DONE,
+	STATE_ERROR,
+	STATE_START
+};
+
+/**
+ * struct xiic_i2c - Internal representation of the XIIC I2C bus
+ * @base:	Memory base of the HW registers
+ * @wait:	Wait queue for callers
+ * @adap:	Kernel adapter representation
+ * @tx_msg:	Messages from above to be sent
+ * @lock:	Mutual exclusion
+ * @tx_pos:	Current pos in TX message
+ * @nmsgs:	Number of messages in tx_msg
+ * @state:	See STATE_
+ * @rx_msg:	Current RX message
+ * @rx_pos:	Position within current RX message
+ */
+struct xiic_i2c {
+	void __iomem		*base;
+	wait_queue_head_t	wait;
+	struct i2c_adapter	adap;
+	struct i2c_msg		*tx_msg;
+	spinlock_t		lock;
+	unsigned int 		tx_pos;
+	unsigned int		nmsgs;
+	enum xilinx_i2c_state	state;
+	struct i2c_msg		*rx_msg;
+	int			rx_pos;
+};
+
+
+#define XIIC_MSB_OFFSET 0
+#define XIIC_REG_OFFSET (0x100+XIIC_MSB_OFFSET)
+
+/*
+ * Register offsets in bytes from RegisterBase. Three is added to the
+ * base offset to access LSB (IBM style) of the word
+ */
+#define XIIC_CR_REG_OFFSET   (0x00+XIIC_REG_OFFSET)	/* Control Register   */
+#define XIIC_SR_REG_OFFSET   (0x04+XIIC_REG_OFFSET)	/* Status Register    */
+#define XIIC_DTR_REG_OFFSET  (0x08+XIIC_REG_OFFSET)	/* Data Tx Register   */
+#define XIIC_DRR_REG_OFFSET  (0x0C+XIIC_REG_OFFSET)	/* Data Rx Register   */
+#define XIIC_ADR_REG_OFFSET  (0x10+XIIC_REG_OFFSET)	/* Address Register   */
+#define XIIC_TFO_REG_OFFSET  (0x14+XIIC_REG_OFFSET)	/* Tx FIFO Occupancy  */
+#define XIIC_RFO_REG_OFFSET  (0x18+XIIC_REG_OFFSET)	/* Rx FIFO Occupancy  */
+#define XIIC_TBA_REG_OFFSET  (0x1C+XIIC_REG_OFFSET)	/* 10 Bit Address reg */
+#define XIIC_RFD_REG_OFFSET  (0x20+XIIC_REG_OFFSET)	/* Rx FIFO Depth reg  */
+#define XIIC_GPO_REG_OFFSET  (0x24+XIIC_REG_OFFSET)	/* Output Register    */
+
+/* Control Register masks */
+#define XIIC_CR_ENABLE_DEVICE_MASK        0x01	/* Device enable = 1      */
+#define XIIC_CR_TX_FIFO_RESET_MASK        0x02	/* Transmit FIFO reset=1  */
+#define XIIC_CR_MSMS_MASK                 0x04	/* Master starts Txing=1  */
+#define XIIC_CR_DIR_IS_TX_MASK            0x08	/* Dir of tx. Txing=1     */
+#define XIIC_CR_NO_ACK_MASK               0x10	/* Tx Ack. NO ack = 1     */
+#define XIIC_CR_REPEATED_START_MASK       0x20	/* Repeated start = 1     */
+#define XIIC_CR_GENERAL_CALL_MASK         0x40	/* Gen Call enabled = 1   */
+
+/* Status Register masks */
+#define XIIC_SR_GEN_CALL_MASK             0x01	/* 1=a mstr issued a GC   */
+#define XIIC_SR_ADDR_AS_SLAVE_MASK        0x02	/* 1=when addr as slave   */
+#define XIIC_SR_BUS_BUSY_MASK             0x04	/* 1 = bus is busy        */
+#define XIIC_SR_MSTR_RDING_SLAVE_MASK     0x08	/* 1=Dir: mstr <-- slave  */
+#define XIIC_SR_TX_FIFO_FULL_MASK         0x10	/* 1 = Tx FIFO full       */
+#define XIIC_SR_RX_FIFO_FULL_MASK         0x20	/* 1 = Rx FIFO full       */
+#define XIIC_SR_RX_FIFO_EMPTY_MASK        0x40	/* 1 = Rx FIFO empty      */
+#define XIIC_SR_TX_FIFO_EMPTY_MASK        0x80	/* 1 = Tx FIFO empty      */
+
+/* Interrupt Status Register masks    Interrupt occurs when...       */
+#define XIIC_INTR_ARB_LOST_MASK           0x01	/* 1 = arbitration lost   */
+#define XIIC_INTR_TX_ERROR_MASK           0x02	/* 1=Tx error/msg complete */
+#define XIIC_INTR_TX_EMPTY_MASK           0x04	/* 1 = Tx FIFO/reg empty  */
+#define XIIC_INTR_RX_FULL_MASK            0x08	/* 1=Rx FIFO/reg=OCY level */
+#define XIIC_INTR_BNB_MASK                0x10	/* 1 = Bus not busy       */
+#define XIIC_INTR_AAS_MASK                0x20	/* 1 = when addr as slave */
+#define XIIC_INTR_NAAS_MASK               0x40	/* 1 = not addr as slave  */
+#define XIIC_INTR_TX_HALF_MASK            0x80	/* 1 = TX FIFO half empty */
+
+/* The following constants specify the depth of the FIFOs */
+#define IIC_RX_FIFO_DEPTH         16	/* Rx fifo capacity               */
+#define IIC_TX_FIFO_DEPTH         16	/* Tx fifo capacity               */
+
+/* The following constants specify groups of interrupts that are typically
+ * enabled or disables at the same time
+ */
+#define XIIC_TX_INTERRUPTS                           \
+(XIIC_INTR_TX_ERROR_MASK | XIIC_INTR_TX_EMPTY_MASK | XIIC_INTR_TX_HALF_MASK)
+
+#define XIIC_TX_RX_INTERRUPTS (XIIC_INTR_RX_FULL_MASK | XIIC_TX_INTERRUPTS)
+
+/* The following constants are used with the following macros to specify the
+ * operation, a read or write operation.
+ */
+#define XIIC_READ_OPERATION  1
+#define XIIC_WRITE_OPERATION 0
+
+/*
+ * Tx Fifo upper bit masks.
+ */
+#define XIIC_TX_DYN_START_MASK            0x0100 /* 1 = Set dynamic start */
+#define XIIC_TX_DYN_STOP_MASK             0x0200 /* 1 = Set dynamic stop */
+
+/*
+ * The following constants define the register offsets for the Interrupt
+ * registers. There are some holes in the memory map for reserved addresses
+ * to allow other registers to be added and still match the memory map of the
+ * interrupt controller registers
+ */
+#define XIIC_DGIER_OFFSET    0x1C /* Device Global Interrupt Enable Register */
+#define XIIC_IISR_OFFSET     0x20 /* Interrupt Status Register */
+#define XIIC_IIER_OFFSET     0x28 /* Interrupt Enable Register */
+#define XIIC_RESETR_OFFSET   0x40 /* Reset Register */
+
+#define XIIC_RESET_MASK             0xAUL
+
+/*
+ * The following constant is used for the device global interrupt enable
+ * register, to enable all interrupts for the device, this is the only bit
+ * in the register
+ */
+#define XIIC_GINTR_ENABLE_MASK      0x80000000UL
+
+#define xiic_tx_space(i2c) ((i2c)->tx_msg->len - (i2c)->tx_pos)
+#define xiic_rx_space(i2c) ((i2c)->rx_msg->len - (i2c)->rx_pos)
+
+static void xiic_start_xfer(struct xiic_i2c *i2c);
+static void __xiic_start_xfer(struct xiic_i2c *i2c);
+
+static inline void xiic_setreg8(struct xiic_i2c *i2c, int reg, u8 value)
+{
+	iowrite8(value, i2c->base + reg);
+}
+
+static inline u8 xiic_getreg8(struct xiic_i2c *i2c, int reg)
+{
+	return ioread8(i2c->base + reg);
+}
+
+static inline void xiic_setreg16(struct xiic_i2c *i2c, int reg, u16 value)
+{
+	iowrite16(value, i2c->base + reg);
+}
+
+static inline void xiic_setreg32(struct xiic_i2c *i2c, int reg, int value)
+{
+	iowrite32(value, i2c->base + reg);
+}
+
+static inline int xiic_getreg32(struct xiic_i2c *i2c, int reg)
+{
+	return ioread32(i2c->base + reg);
+}
+
+static inline void xiic_irq_dis(struct xiic_i2c *i2c, u32 mask)
+{
+	u32 ier = xiic_getreg32(i2c, XIIC_IIER_OFFSET);
+	xiic_setreg32(i2c, XIIC_IIER_OFFSET, ier & ~mask);
+}
+
+static inline void xiic_irq_en(struct xiic_i2c *i2c, u32 mask)
+{
+	u32 ier = xiic_getreg32(i2c, XIIC_IIER_OFFSET);
+	xiic_setreg32(i2c, XIIC_IIER_OFFSET, ier | mask);
+}
+
+static inline void xiic_irq_clr(struct xiic_i2c *i2c, u32 mask)
+{
+	u32 isr = xiic_getreg32(i2c, XIIC_IISR_OFFSET);
+	xiic_setreg32(i2c, XIIC_IISR_OFFSET, isr & mask);
+}
+
+static inline void xiic_irq_clr_en(struct xiic_i2c *i2c, u32 mask)
+{
+	xiic_irq_clr(i2c, mask);
+	xiic_irq_en(i2c, mask);
+}
+
+static void xiic_clear_rx_fifo(struct xiic_i2c *i2c)
+{
+	u8 sr;
+	for (sr = xiic_getreg8(i2c, XIIC_SR_REG_OFFSET);
+		!(sr & XIIC_SR_RX_FIFO_EMPTY_MASK);
+		sr = xiic_getreg8(i2c, XIIC_SR_REG_OFFSET))
+		xiic_getreg8(i2c, XIIC_DRR_REG_OFFSET);
+}
+
+static void xiic_reinit(struct xiic_i2c *i2c)
+{
+	xiic_setreg32(i2c, XIIC_RESETR_OFFSET, XIIC_RESET_MASK);
+
+	/* Set receive Fifo depth to maximum (zero based). */
+	xiic_setreg8(i2c, XIIC_RFD_REG_OFFSET, IIC_RX_FIFO_DEPTH - 1);
+
+	/* Reset Tx Fifo. */
+	xiic_setreg8(i2c, XIIC_CR_REG_OFFSET, XIIC_CR_TX_FIFO_RESET_MASK);
+
+	/* Enable IIC Device, remove Tx Fifo reset & disable general call. */
+	xiic_setreg8(i2c, XIIC_CR_REG_OFFSET, XIIC_CR_ENABLE_DEVICE_MASK);
+
+	/* make sure RX fifo is empty */
+	xiic_clear_rx_fifo(i2c);
+
+	/* Enable interrupts */
+	xiic_setreg32(i2c, XIIC_DGIER_OFFSET, XIIC_GINTR_ENABLE_MASK);
+
+	xiic_irq_clr_en(i2c, XIIC_INTR_AAS_MASK | XIIC_INTR_ARB_LOST_MASK);
+}
+
+static void xiic_deinit(struct xiic_i2c *i2c)
+{
+	u8 cr;
+
+	xiic_setreg32(i2c, XIIC_RESETR_OFFSET, XIIC_RESET_MASK);
+
+	/* Disable IIC Device. */
+	cr = xiic_getreg8(i2c, XIIC_CR_REG_OFFSET);
+	xiic_setreg8(i2c, XIIC_CR_REG_OFFSET, cr & ~XIIC_CR_ENABLE_DEVICE_MASK);
+}
+
+static void xiic_read_rx(struct xiic_i2c *i2c)
+{
+	u8 bytes_in_fifo;
+	int i;
+
+	bytes_in_fifo = xiic_getreg8(i2c, XIIC_RFO_REG_OFFSET) + 1;
+
+	dev_dbg(i2c->adap.dev.parent, "%s entry, bytes in fifo: %d, msg: %d"
+		", SR: 0x%x, CR: 0x%x\n",
+		__func__, bytes_in_fifo, xiic_rx_space(i2c),
+		xiic_getreg8(i2c, XIIC_SR_REG_OFFSET),
+		xiic_getreg8(i2c, XIIC_CR_REG_OFFSET));
+
+	if (bytes_in_fifo > xiic_rx_space(i2c))
+		bytes_in_fifo = xiic_rx_space(i2c);
+
+	for (i = 0; i < bytes_in_fifo; i++)
+		i2c->rx_msg->buf[i2c->rx_pos++] =
+			xiic_getreg8(i2c, XIIC_DRR_REG_OFFSET);
+
+	xiic_setreg8(i2c, XIIC_RFD_REG_OFFSET,
+		(xiic_rx_space(i2c) > IIC_RX_FIFO_DEPTH) ?
+		IIC_RX_FIFO_DEPTH - 1 :  xiic_rx_space(i2c) - 1);
+}
+
+static int xiic_tx_fifo_space(struct xiic_i2c *i2c)
+{
+	/* return the actual space left in the FIFO */
+	return IIC_TX_FIFO_DEPTH - xiic_getreg8(i2c, XIIC_TFO_REG_OFFSET) - 1;
+}
+
+static void xiic_fill_tx_fifo(struct xiic_i2c *i2c)
+{
+	u8 fifo_space = xiic_tx_fifo_space(i2c);
+	int len = xiic_tx_space(i2c);
+
+	len = (len > fifo_space) ? fifo_space : len;
+
+	dev_dbg(i2c->adap.dev.parent, "%s entry, len: %d, fifo space: %d\n",
+		__func__, len, fifo_space);
+
+	while (len--) {
+		u16 data = i2c->tx_msg->buf[i2c->tx_pos++];
+		if ((xiic_tx_space(i2c) == 0) && (i2c->nmsgs == 1)) {
+			/* last message in transfer -> STOP */
+			data |= XIIC_TX_DYN_STOP_MASK;
+			dev_dbg(i2c->adap.dev.parent, "%s TX STOP\n", __func__);
+
+			xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET, data);
+		} else
+			xiic_setreg8(i2c, XIIC_DTR_REG_OFFSET, data);
+	}
+}
+
+static void xiic_wakeup(struct xiic_i2c *i2c, int code)
+{
+	i2c->tx_msg = NULL;
+	i2c->rx_msg = NULL;
+	i2c->nmsgs = 0;
+	i2c->state = code;
+	wake_up(&i2c->wait);
+}
+
+static void xiic_process(struct xiic_i2c *i2c)
+{
+	u32 pend, isr, ier;
+	u32 clr = 0;
+
+	/* Get the interrupt Status from the IPIF. There is no clearing of
+	 * interrupts in the IPIF. Interrupts must be cleared at the source.
+	 * To find which interrupts are pending; AND interrupts pending with
+	 * interrupts masked.
+	 */
+	isr = xiic_getreg32(i2c, XIIC_IISR_OFFSET);
+	ier = xiic_getreg32(i2c, XIIC_IIER_OFFSET);
+	pend = isr & ier;
+
+	dev_dbg(i2c->adap.dev.parent, "%s entry, IER: 0x%x, ISR: 0x%x, "
+		"pend: 0x%x, SR: 0x%x, msg: %p, nmsgs: %d\n",
+		__func__, ier, isr, pend, xiic_getreg8(i2c, XIIC_SR_REG_OFFSET),
+		i2c->tx_msg, i2c->nmsgs);
+
+	/* Do not processes a devices interrupts if the device has no
+	 * interrupts pending
+	 */
+	if (!pend)
+		return;
+
+	/* Service requesting interrupt */
+	if ((pend & XIIC_INTR_ARB_LOST_MASK) ||
+		((pend & XIIC_INTR_TX_ERROR_MASK) &&
+		!(pend & XIIC_INTR_RX_FULL_MASK))) {
+		/* bus arbritration lost, or...
+		 * Transmit error _OR_ RX completed
+		 * if this happens when RX_FULL is not set
+		 * this is probably a TX error
+		 */
+
+		dev_dbg(i2c->adap.dev.parent, "%s error\n", __func__);
+
+		/* dynamic mode seem to suffer from problems if we just flushes
+		 * fifos and the next message is a TX with len 0 (only addr)
+		 * reset the IP instead of just flush fifos
+		 */
+		xiic_reinit(i2c);
+
+		if (i2c->tx_msg)
+			xiic_wakeup(i2c, STATE_ERROR);
+
+	} else if (pend & XIIC_INTR_RX_FULL_MASK) {
+		/* Receive register/FIFO is full */
+
+		clr = XIIC_INTR_RX_FULL_MASK;
+		if (!i2c->rx_msg) {
+			dev_dbg(i2c->adap.dev.parent,
+				"%s unexpexted RX IRQ\n", __func__);
+			xiic_clear_rx_fifo(i2c);
+			goto out;
+		}
+
+		xiic_read_rx(i2c);
+		if (xiic_rx_space(i2c) == 0) {
+			/* this is the last part of the message */
+			i2c->rx_msg = NULL;
+
+			/* also clear TX error if there (RX complete) */
+			clr |= (isr & XIIC_INTR_TX_ERROR_MASK);
+
+			dev_dbg(i2c->adap.dev.parent,
+				"%s end of message, nmsgs: %d\n",
+				__func__, i2c->nmsgs);
+
+			/* send next message if this wasn't the last,
+			 * otherwise the transfer will be finialise when
+			 * receiving the bus not busy interrupt
+			 */
+			if (i2c->nmsgs > 1) {
+				i2c->nmsgs--;
+				i2c->tx_msg++;
+				dev_dbg(i2c->adap.dev.parent,
+					"%s will start next...\n", __func__);
+
+				__xiic_start_xfer(i2c);
+			}
+		}
+	} else if (pend & XIIC_INTR_BNB_MASK) {
+		/* IIC bus has transitioned to not busy */
+		clr = XIIC_INTR_BNB_MASK;
+
+		/* The bus is not busy, disable BusNotBusy interrupt */
+		xiic_irq_dis(i2c, XIIC_INTR_BNB_MASK);
+
+		if (!i2c->tx_msg)
+			goto out;
+
+		if ((i2c->nmsgs == 1) && !i2c->rx_msg &&
+			xiic_tx_space(i2c) == 0)
+			xiic_wakeup(i2c, STATE_DONE);
+		else
+			xiic_wakeup(i2c, STATE_ERROR);
+
+	} else if (pend & (XIIC_INTR_TX_EMPTY_MASK | XIIC_INTR_TX_HALF_MASK)) {
+		/* Transmit register/FIFO is empty or ½ empty */
+
+		clr = pend &
+			(XIIC_INTR_TX_EMPTY_MASK | XIIC_INTR_TX_HALF_MASK);
+
+		if (!i2c->tx_msg) {
+			dev_dbg(i2c->adap.dev.parent,
+				"%s unexpexted TX IRQ\n", __func__);
+			goto out;
+		}
+
+		xiic_fill_tx_fifo(i2c);
+
+		/* current message sent and there is space in the fifo */
+		if (!xiic_tx_space(i2c) && xiic_tx_fifo_space(i2c) >= 2) {
+			dev_dbg(i2c->adap.dev.parent,
+				"%s end of message sent, nmsgs: %d\n",
+				__func__, i2c->nmsgs);
+			if (i2c->nmsgs > 1) {
+				i2c->nmsgs--;
+				i2c->tx_msg++;
+				__xiic_start_xfer(i2c);
+			} else {
+				xiic_irq_dis(i2c, XIIC_INTR_TX_HALF_MASK);
+
+				dev_dbg(i2c->adap.dev.parent,
+					"%s Got TX IRQ but no more to do...\n",
+					__func__);
+			}
+		} else if (!xiic_tx_space(i2c) && (i2c->nmsgs == 1))
+			/* current frame is sent and is last,
+			 * make sure to disable tx half
+			 */
+			xiic_irq_dis(i2c, XIIC_INTR_TX_HALF_MASK);
+	} else {
+		/* got IRQ which is not acked */
+		dev_err(i2c->adap.dev.parent, "%s Got unexpected IRQ\n",
+			__func__);
+		clr = pend;
+	}
+out:
+	dev_dbg(i2c->adap.dev.parent, "%s clr: 0x%x\n", __func__, clr);
+
+	xiic_setreg32(i2c, XIIC_IISR_OFFSET, clr);
+}
+
+static int xiic_bus_busy(struct xiic_i2c *i2c)
+{
+	u8 sr = xiic_getreg8(i2c, XIIC_SR_REG_OFFSET);
+
+	return (sr & XIIC_SR_BUS_BUSY_MASK) ? -EBUSY : 0;
+}
+
+static int xiic_busy(struct xiic_i2c *i2c)
+{
+	int tries = 3;
+	int err;
+
+	if (i2c->tx_msg)
+		return -EBUSY;
+
+	/* for instance if previous transfer was terminated due to TX error
+	 * it might be that the bus is on it's way to become available
+	 * give it at most 3 ms to wake
+	 */
+	err = xiic_bus_busy(i2c);
+	while (err && tries--) {
+		mdelay(1);
+		err = xiic_bus_busy(i2c);
+	}
+
+	return err;
+}
+
+static void xiic_start_recv(struct xiic_i2c *i2c)
+{
+	u8 rx_watermark;
+	struct i2c_msg *msg = i2c->rx_msg = i2c->tx_msg;
+
+	/* Clear and enable Rx full interrupt. */
+	xiic_irq_clr_en(i2c, XIIC_INTR_RX_FULL_MASK | XIIC_INTR_TX_ERROR_MASK);
+
+	/* we want to get all but last byte, because the TX_ERROR IRQ is used
+	 * to inidicate error ACK on the address, and negative ack on the last
+	 * received byte, so to not mix them receive all but last.
+	 * In the case where there is only one byte to receive
+	 * we can check if ERROR and RX full is set at the same time
+	 */
+	rx_watermark = msg->len;
+	if (rx_watermark > IIC_RX_FIFO_DEPTH)
+		rx_watermark = IIC_RX_FIFO_DEPTH;
+	xiic_setreg8(i2c, XIIC_RFD_REG_OFFSET, rx_watermark - 1);
+
+	if (!(msg->flags & I2C_M_NOSTART))
+		/* write the address */
+		xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET,
+			(msg->addr << 1) | XIIC_READ_OPERATION |
+			XIIC_TX_DYN_START_MASK);
+
+	xiic_irq_clr_en(i2c, XIIC_INTR_BNB_MASK);
+
+	xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET,
+		msg->len | ((i2c->nmsgs == 1) ? XIIC_TX_DYN_STOP_MASK : 0));
+	if (i2c->nmsgs == 1)
+		/* very last, enable bus not busy as well */
+		xiic_irq_clr_en(i2c, XIIC_INTR_BNB_MASK);
+
+	/* the message is tx:ed */
+	i2c->tx_pos = msg->len;
+}
+
+static void xiic_start_send(struct xiic_i2c *i2c)
+{
+	struct i2c_msg *msg = i2c->tx_msg;
+
+	xiic_irq_clr(i2c, XIIC_INTR_TX_ERROR_MASK);
+
+	dev_dbg(i2c->adap.dev.parent, "%s entry, msg: %p, len: %d, "
+		"ISR: 0x%x, CR: 0x%x\n",
+		__func__, msg, msg->len, xiic_getreg32(i2c, XIIC_IISR_OFFSET),
+		xiic_getreg8(i2c, XIIC_CR_REG_OFFSET));
+
+	if (!(msg->flags & I2C_M_NOSTART)) {
+		/* write the address */
+		u16 data = ((msg->addr << 1) & 0xfe) | XIIC_WRITE_OPERATION |
+			XIIC_TX_DYN_START_MASK;
+		if ((i2c->nmsgs == 1) && msg->len == 0)
+			/* no data and last message -> add STOP */
+			data |= XIIC_TX_DYN_STOP_MASK;
+
+		xiic_setreg16(i2c, XIIC_DTR_REG_OFFSET, data);
+	}
+
+	xiic_fill_tx_fifo(i2c);
+
+	/* Clear any pending Tx empty, Tx Error and then enable them. */
+	xiic_irq_clr_en(i2c, XIIC_INTR_TX_EMPTY_MASK | XIIC_INTR_TX_ERROR_MASK |
+		XIIC_INTR_BNB_MASK);
+}
+
+static irqreturn_t xiic_isr(int irq, void *dev_id)
+{
+	struct xiic_i2c *i2c = dev_id;
+
+	spin_lock(&i2c->lock);
+	/* disable interrupts globally */
+	xiic_setreg32(i2c, XIIC_DGIER_OFFSET, 0);
+
+	dev_dbg(i2c->adap.dev.parent, "%s entry\n", __func__);
+
+	xiic_process(i2c);
+
+	xiic_setreg32(i2c, XIIC_DGIER_OFFSET, XIIC_GINTR_ENABLE_MASK);
+	spin_unlock(&i2c->lock);
+
+	return IRQ_HANDLED;
+}
+
+static void __xiic_start_xfer(struct xiic_i2c *i2c)
+{
+	int first = 1;
+	int fifo_space = xiic_tx_fifo_space(i2c);
+	dev_dbg(i2c->adap.dev.parent, "%s entry, msg: %p, fifos space: %d\n",
+		__func__, i2c->tx_msg, fifo_space);
+
+	if (!i2c->tx_msg)
+		return;
+
+	i2c->rx_pos = 0;
+	i2c->tx_pos = 0;
+	i2c->state = STATE_START;
+	while ((fifo_space >= 2) && (first || (i2c->nmsgs > 1))) {
+		if (!first) {
+			i2c->nmsgs--;
+			i2c->tx_msg++;
+			i2c->tx_pos = 0;
+		} else
+			first = 0;
+
+		if (i2c->tx_msg->flags & I2C_M_RD) {
+			/* we dont date putting several reads in the FIFO */
+			xiic_start_recv(i2c);
+			return;
+		} else {
+			xiic_start_send(i2c);
+			if (xiic_tx_space(i2c) != 0) {
+				/* the message could not be completely sent */
+				break;
+			}
+		}
+
+		fifo_space = xiic_tx_fifo_space(i2c);
+	}
+
+	/* there are more messages or the current one could not be completely
+	 * put into the FIFO, also enable the half empty interrupt
+	 */
+	if (i2c->nmsgs > 1 || xiic_tx_space(i2c))
+		xiic_irq_clr_en(i2c, XIIC_INTR_TX_HALF_MASK);
+
+}
+
+static void xiic_start_xfer(struct xiic_i2c *i2c)
+{
+	unsigned long flags;
+
+	spin_lock_irqsave(&i2c->lock, flags);
+	xiic_reinit(i2c);
+	/* disable interrupts globally */
+	xiic_setreg32(i2c, XIIC_DGIER_OFFSET, 0);
+	spin_unlock_irqrestore(&i2c->lock, flags);
+
+	__xiic_start_xfer(i2c);
+	xiic_setreg32(i2c, XIIC_DGIER_OFFSET, XIIC_GINTR_ENABLE_MASK);
+}
+
+static int xiic_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num)
+{
+	struct xiic_i2c *i2c = i2c_get_adapdata(adap);
+	int err;
+
+	dev_dbg(adap->dev.parent, "%s entry SR: 0x%x\n", __func__,
+		xiic_getreg8(i2c, XIIC_SR_REG_OFFSET));
+
+	err = xiic_busy(i2c);
+	if (err)
+		return err;
+
+	i2c->tx_msg = msgs;
+	i2c->nmsgs = num;
+
+	xiic_start_xfer(i2c);
+
+	if (wait_event_timeout(i2c->wait, (i2c->state == STATE_ERROR) ||
+		(i2c->state == STATE_DONE), HZ))
+		return (i2c->state == STATE_DONE) ? num : -EIO;
+	else {
+		i2c->tx_msg = NULL;
+		i2c->rx_msg = NULL;
+		i2c->nmsgs = 0;
+		return -ETIMEDOUT;
+	}
+}
+
+static u32 xiic_func(struct i2c_adapter *adap)
+{
+	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
+}
+
+static const struct i2c_algorithm xiic_algorithm = {
+	.master_xfer	= xiic_xfer,
+	.functionality	= xiic_func,
+};
+
+static struct i2c_adapter xiic_adapter = {
+	.owner		= THIS_MODULE,
+	.name		= DRIVER_NAME,
+	.class		= I2C_CLASS_HWMON | I2C_CLASS_SPD,
+	.algo		= &xiic_algorithm,
+};
+
+
+static int __devinit xiic_i2c_probe(struct platform_device *pdev)
+{
+	struct xiic_i2c *i2c;
+	struct xiic_i2c_platform_data *pdata;
+	struct resource *res;
+	int ret, irq;
+	u8 i;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		goto resource_missing;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		goto resource_missing;
+
+	pdata = (struct xiic_i2c_platform_data *) pdev->dev.platform_data;
+	if (!pdata)
+		return -EINVAL;
+
+	i2c = kzalloc(sizeof(*i2c), GFP_KERNEL);
+	if (!i2c)
+		return -ENOMEM;
+
+	if (!request_mem_region(res->start, resource_size(res), pdev->name)) {
+		dev_err(&pdev->dev, "Memory region busy\n");
+		ret = -EBUSY;
+		goto request_mem_failed;
+	}
+
+	i2c->base = ioremap(res->start, resource_size(res));
+	if (!i2c->base) {
+		dev_err(&pdev->dev, "Unable to map registers\n");
+		ret = -EIO;
+		goto map_failed;
+	}
+
+	/* hook up driver to tree */
+	platform_set_drvdata(pdev, i2c);
+	i2c->adap = xiic_adapter;
+	i2c_set_adapdata(&i2c->adap, i2c);
+	i2c->adap.dev.parent = &pdev->dev;
+
+	xiic_reinit(i2c);
+
+	spin_lock_init(&i2c->lock);
+	init_waitqueue_head(&i2c->wait);
+	ret = request_irq(irq, xiic_isr, 0, pdev->name, i2c);
+	if (ret) {
+		dev_err(&pdev->dev, "Cannot claim IRQ\n");
+		goto request_irq_failed;
+	}
+
+	/* add i2c adapter to i2c tree */
+	ret = i2c_add_adapter(&i2c->adap);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to add adapter\n");
+		goto add_adapter_failed;
+	}
+
+	/* add in known devices to the bus */
+	for (i = 0; i < pdata->num_devices; i++)
+		i2c_new_device(&i2c->adap, pdata->devices + i);
+
+	return 0;
+
+add_adapter_failed:
+	free_irq(irq, i2c);
+request_irq_failed:
+	xiic_deinit(i2c);
+	iounmap(i2c->base);
+map_failed:
+	release_mem_region(res->start, resource_size(res));
+request_mem_failed:
+	kfree(i2c);
+
+	return ret;
+resource_missing:
+	dev_err(&pdev->dev, "IRQ or Memory resource is missing\n");
+	return -ENOENT;
+}
+
+static int __devexit xiic_i2c_remove(struct platform_device* pdev)
+{
+	struct xiic_i2c *i2c = platform_get_drvdata(pdev);
+	struct resource *res;
+
+	/* remove adapter & data */
+	i2c_del_adapter(&i2c->adap);
+
+	xiic_deinit(i2c);
+
+	platform_set_drvdata(pdev, NULL);
+
+	free_irq(platform_get_irq(pdev, 0), i2c);
+
+	iounmap(i2c->base);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res)
+		release_mem_region(res->start, resource_size(res));
+
+	kfree(i2c);
+
+	return 0;
+}
+
+
+/* work with hotplug and coldplug */
+MODULE_ALIAS("platform:"DRIVER_NAME);
+
+static struct platform_driver xiic_i2c_driver = {
+	.probe   = xiic_i2c_probe,
+	.remove  = __devexit_p(xiic_i2c_remove),
+	.driver  = {
+		.owner = THIS_MODULE,
+		.name = DRIVER_NAME,
+	},
+};
+
+static int __init xiic_i2c_init(void)
+{
+	return platform_driver_register(&xiic_i2c_driver);
+}
+
+static void __exit xiic_i2c_exit(void)
+{
+	platform_driver_unregister(&xiic_i2c_driver);
+}
+
+module_init(xiic_i2c_init);
+module_exit(xiic_i2c_exit);
+
+MODULE_AUTHOR("info@mocean-labs.com");
+MODULE_DESCRIPTION("Xilinx I2C bus driver");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig
deleted file mode 100644
index ae4539d99bef..000000000000
--- a/drivers/i2c/chips/Kconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-#
-# Miscellaneous I2C chip drivers configuration
-#
-# *** DEPRECATED! Do not add new entries! See Makefile ***
-#
-
-menu "Miscellaneous I2C Chip support"
-
-config SENSORS_TSL2550
-	tristate "Taos TSL2550 ambient light sensor"
-	depends on EXPERIMENTAL
-	help
-	  If you say yes here you get support for the Taos TSL2550
-	  ambient light sensor.
-
-	  This driver can also be built as a module.  If so, the module
-	  will be called tsl2550.
-
-endmenu
diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile
deleted file mode 100644
index fe0af0f81f2d..000000000000
--- a/drivers/i2c/chips/Makefile
+++ /dev/null
@@ -1,18 +0,0 @@
-#
-# Makefile for miscellaneous I2C chip drivers.
-#
-# Do not add new drivers to this directory! It is DEPRECATED.
-#
-# Device drivers are better grouped according to the functionality they
-# implement rather than to the bus they are connected to. In particular:
-# * Hardware monitoring chip drivers go to drivers/hwmon
-# * RTC chip drivers go to drivers/rtc
-# * I/O expander drivers go to drivers/gpio
-#
-
-obj-$(CONFIG_SENSORS_TSL2550)	+= tsl2550.o
-
-ifeq ($(CONFIG_I2C_DEBUG_CHIP),y)
-EXTRA_CFLAGS += -DDEBUG
-endif
-
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 10be7b5fbe97..3202a86f420e 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -34,6 +34,7 @@
 #include <linux/hardirq.h>
 #include <linux/irqflags.h>
 #include <linux/rwsem.h>
+#include <linux/pm_runtime.h>
 #include <asm/uaccess.h>
 
 #include "i2c-core.h"
@@ -184,6 +185,52 @@ static int i2c_device_pm_resume(struct device *dev)
 #define i2c_device_pm_resume	NULL
 #endif
 
+#ifdef CONFIG_PM_RUNTIME
+static int i2c_device_runtime_suspend(struct device *dev)
+{
+	const struct dev_pm_ops *pm;
+
+	if (!dev->driver)
+		return 0;
+	pm = dev->driver->pm;
+	if (!pm || !pm->runtime_suspend)
+		return 0;
+	return pm->runtime_suspend(dev);
+}
+
+static int i2c_device_runtime_resume(struct device *dev)
+{
+	const struct dev_pm_ops *pm;
+
+	if (!dev->driver)
+		return 0;
+	pm = dev->driver->pm;
+	if (!pm || !pm->runtime_resume)
+		return 0;
+	return pm->runtime_resume(dev);
+}
+
+static int i2c_device_runtime_idle(struct device *dev)
+{
+	const struct dev_pm_ops *pm = NULL;
+	int ret;
+
+	if (dev->driver)
+		pm = dev->driver->pm;
+	if (pm && pm->runtime_idle) {
+		ret = pm->runtime_idle(dev);
+		if (ret)
+			return ret;
+	}
+
+	return pm_runtime_suspend(dev);
+}
+#else
+#define i2c_device_runtime_suspend	NULL
+#define i2c_device_runtime_resume	NULL
+#define i2c_device_runtime_idle		NULL
+#endif
+
 static int i2c_device_suspend(struct device *dev, pm_message_t mesg)
 {
 	struct i2c_client *client = i2c_verify_client(dev);
@@ -251,6 +298,9 @@ static const struct attribute_group *i2c_dev_attr_groups[] = {
 static const struct dev_pm_ops i2c_device_pm_ops = {
 	.suspend = i2c_device_pm_suspend,
 	.resume = i2c_device_pm_resume,
+	.runtime_suspend = i2c_device_runtime_suspend,
+	.runtime_resume = i2c_device_runtime_resume,
+	.runtime_idle = i2c_device_runtime_idle,
 };
 
 struct bus_type i2c_bus_type = {
@@ -1133,7 +1183,7 @@ EXPORT_SYMBOL(i2c_transfer);
  * i2c_master_send - issue a single I2C message in master transmit mode
  * @client: Handle to slave device
  * @buf: Data that will be written to the slave
- * @count: How many bytes to write
+ * @count: How many bytes to write, must be less than 64k since msg.len is u16
  *
  * Returns negative errno, or else the number of bytes written.
  */
@@ -1160,7 +1210,7 @@ EXPORT_SYMBOL(i2c_master_send);
  * i2c_master_recv - issue a single I2C message in master receive mode
  * @client: Handle to slave device
  * @buf: Where to store data read from slave
- * @count: How many bytes to read
+ * @count: How many bytes to read, must be less than 64k since msg.len is u16
  *
  * Returns negative errno, or else the number of bytes read.
  */
diff --git a/drivers/i2c/i2c-smbus.c b/drivers/i2c/i2c-smbus.c
new file mode 100644
index 000000000000..7a8201ed2181
--- /dev/null
+++ b/drivers/i2c/i2c-smbus.c
@@ -0,0 +1,262 @@
+/*
+ * i2c-smbus.c - SMBus extensions to the I2C protocol
+ *
+ * Copyright (C) 2008 David Brownell
+ * Copyright (C) 2010 Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/workqueue.h>
+#include <linux/i2c.h>
+#include <linux/i2c-smbus.h>
+
+struct i2c_smbus_alert {
+	unsigned int		alert_edge_triggered:1;
+	int			irq;
+	struct work_struct	alert;
+	struct i2c_client	*ara;		/* Alert response address */
+};
+
+struct alert_data {
+	unsigned short		addr;
+	u8			flag:1;
+};
+
+/* If this is the alerting device, notify its driver */
+static int smbus_do_alert(struct device *dev, void *addrp)
+{
+	struct i2c_client *client = i2c_verify_client(dev);
+	struct alert_data *data = addrp;
+
+	if (!client || client->addr != data->addr)
+		return 0;
+	if (client->flags & I2C_CLIENT_TEN)
+		return 0;
+
+	/*
+	 * Drivers should either disable alerts, or provide at least
+	 * a minimal handler.  Lock so client->driver won't change.
+	 */
+	device_lock(dev);
+	if (client->driver) {
+		if (client->driver->alert)
+			client->driver->alert(client, data->flag);
+		else
+			dev_warn(&client->dev, "no driver alert()!\n");
+	} else
+		dev_dbg(&client->dev, "alert with no driver\n");
+	device_unlock(dev);
+
+	/* Stop iterating after we find the device */
+	return -EBUSY;
+}
+
+/*
+ * The alert IRQ handler needs to hand work off to a task which can issue
+ * SMBus calls, because those sleeping calls can't be made in IRQ context.
+ */
+static void smbus_alert(struct work_struct *work)
+{
+	struct i2c_smbus_alert *alert;
+	struct i2c_client *ara;
+	unsigned short prev_addr = 0;	/* Not a valid address */
+
+	alert = container_of(work, struct i2c_smbus_alert, alert);
+	ara = alert->ara;
+
+	for (;;) {
+		s32 status;
+		struct alert_data data;
+
+		/*
+		 * Devices with pending alerts reply in address order, low
+		 * to high, because of slave transmit arbitration.  After
+		 * responding, an SMBus device stops asserting SMBALERT#.
+		 *
+		 * Note that SMBus 2.0 reserves 10-bit addresess for future
+		 * use.  We neither handle them, nor try to use PEC here.
+		 */
+		status = i2c_smbus_read_byte(ara);
+		if (status < 0)
+			break;
+
+		data.flag = status & 1;
+		data.addr = status >> 1;
+
+		if (data.addr == prev_addr) {
+			dev_warn(&ara->dev, "Duplicate SMBALERT# from dev "
+				"0x%02x, skipping\n", data.addr);
+			break;
+		}
+		dev_dbg(&ara->dev, "SMBALERT# from dev 0x%02x, flag %d\n",
+			data.addr, data.flag);
+
+		/* Notify driver for the device which issued the alert */
+		device_for_each_child(&ara->adapter->dev, &data,
+				      smbus_do_alert);
+		prev_addr = data.addr;
+	}
+
+	/* We handled all alerts; re-enable level-triggered IRQs */
+	if (!alert->alert_edge_triggered)
+		enable_irq(alert->irq);
+}
+
+static irqreturn_t smbalert_irq(int irq, void *d)
+{
+	struct i2c_smbus_alert *alert = d;
+
+	/* Disable level-triggered IRQs until we handle them */
+	if (!alert->alert_edge_triggered)
+		disable_irq_nosync(irq);
+
+	schedule_work(&alert->alert);
+	return IRQ_HANDLED;
+}
+
+/* Setup SMBALERT# infrastructure */
+static int smbalert_probe(struct i2c_client *ara,
+			  const struct i2c_device_id *id)
+{
+	struct i2c_smbus_alert_setup *setup = ara->dev.platform_data;
+	struct i2c_smbus_alert *alert;
+	struct i2c_adapter *adapter = ara->adapter;
+	int res;
+
+	alert = kzalloc(sizeof(struct i2c_smbus_alert), GFP_KERNEL);
+	if (!alert)
+		return -ENOMEM;
+
+	alert->alert_edge_triggered = setup->alert_edge_triggered;
+	alert->irq = setup->irq;
+	INIT_WORK(&alert->alert, smbus_alert);
+	alert->ara = ara;
+
+	if (setup->irq > 0) {
+		res = devm_request_irq(&ara->dev, setup->irq, smbalert_irq,
+				       0, "smbus_alert", alert);
+		if (res) {
+			kfree(alert);
+			return res;
+		}
+	}
+
+	i2c_set_clientdata(ara, alert);
+	dev_info(&adapter->dev, "supports SMBALERT#, %s trigger\n",
+		 setup->alert_edge_triggered ? "edge" : "level");
+
+	return 0;
+}
+
+/* IRQ resource is managed so it is freed automatically */
+static int smbalert_remove(struct i2c_client *ara)
+{
+	struct i2c_smbus_alert *alert = i2c_get_clientdata(ara);
+
+	cancel_work_sync(&alert->alert);
+
+	i2c_set_clientdata(ara, NULL);
+	kfree(alert);
+	return 0;
+}
+
+static const struct i2c_device_id smbalert_ids[] = {
+	{ "smbus_alert", 0 },
+	{ /* LIST END */ }
+};
+MODULE_DEVICE_TABLE(i2c, smbalert_ids);
+
+static struct i2c_driver smbalert_driver = {
+	.driver = {
+		.name	= "smbus_alert",
+	},
+	.probe		= smbalert_probe,
+	.remove		= smbalert_remove,
+	.id_table	= smbalert_ids,
+};
+
+/**
+ * i2c_setup_smbus_alert - Setup SMBus alert support
+ * @adapter: the target adapter
+ * @setup: setup data for the SMBus alert handler
+ * Context: can sleep
+ *
+ * Setup handling of the SMBus alert protocol on a given I2C bus segment.
+ *
+ * Handling can be done either through our IRQ handler, or by the
+ * adapter (from its handler, periodic polling, or whatever).
+ *
+ * NOTE that if we manage the IRQ, we *MUST* know if it's level or
+ * edge triggered in order to hand it to the workqueue correctly.
+ * If triggering the alert seems to wedge the system, you probably
+ * should have said it's level triggered.
+ *
+ * This returns the ara client, which should be saved for later use with
+ * i2c_handle_smbus_alert() and ultimately i2c_unregister_device(); or NULL
+ * to indicate an error.
+ */
+struct i2c_client *i2c_setup_smbus_alert(struct i2c_adapter *adapter,
+					 struct i2c_smbus_alert_setup *setup)
+{
+	struct i2c_board_info ara_board_info = {
+		I2C_BOARD_INFO("smbus_alert", 0x0c),
+		.platform_data = setup,
+	};
+
+	return i2c_new_device(adapter, &ara_board_info);
+}
+EXPORT_SYMBOL_GPL(i2c_setup_smbus_alert);
+
+/**
+ * i2c_handle_smbus_alert - Handle an SMBus alert
+ * @ara: the ARA client on the relevant adapter
+ * Context: can't sleep
+ *
+ * Helper function to be called from an I2C bus driver's interrupt
+ * handler. It will schedule the alert work, in turn calling the
+ * corresponding I2C device driver's alert function.
+ *
+ * It is assumed that ara is a valid i2c client previously returned by
+ * i2c_setup_smbus_alert().
+ */
+int i2c_handle_smbus_alert(struct i2c_client *ara)
+{
+	struct i2c_smbus_alert *alert = i2c_get_clientdata(ara);
+
+	return schedule_work(&alert->alert);
+}
+EXPORT_SYMBOL_GPL(i2c_handle_smbus_alert);
+
+static int __init i2c_smbus_init(void)
+{
+	return i2c_add_driver(&smbalert_driver);
+}
+
+static void __exit i2c_smbus_exit(void)
+{
+	i2c_del_driver(&smbalert_driver);
+}
+
+module_init(i2c_smbus_init);
+module_exit(i2c_smbus_exit);
+
+MODULE_AUTHOR("Jean Delvare <khali@linux-fr.org>");
+MODULE_DESCRIPTION("SMBus protocol extensions support");
+MODULE_LICENSE("GPL");
diff --git a/drivers/ide/aec62xx.c b/drivers/ide/aec62xx.c
index 878f8ec6dbe1..57d00caefc86 100644
--- a/drivers/ide/aec62xx.c
+++ b/drivers/ide/aec62xx.c
@@ -81,15 +81,15 @@ static u8 pci_bus_clock_list_ultra (u8 speed, struct chipset_bus_clock_list_entr
 	return chipset_table->ultra_settings;
 }
 
-static void aec6210_set_mode(ide_drive_t *drive, const u8 speed)
+static void aec6210_set_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	struct ide_host *host	= pci_get_drvdata(dev);
 	struct chipset_bus_clock_list_entry *bus_clock = host->host_priv;
 	u16 d_conf		= 0;
 	u8 ultra = 0, ultra_conf = 0;
 	u8 tmp0 = 0, tmp1 = 0, tmp2 = 0;
+	const u8 speed = drive->dma_mode;
 	unsigned long flags;
 
 	local_irq_save(flags);
@@ -109,15 +109,15 @@ static void aec6210_set_mode(ide_drive_t *drive, const u8 speed)
 	local_irq_restore(flags);
 }
 
-static void aec6260_set_mode(ide_drive_t *drive, const u8 speed)
+static void aec6260_set_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	struct ide_host *host	= pci_get_drvdata(dev);
 	struct chipset_bus_clock_list_entry *bus_clock = host->host_priv;
 	u8 unit			= drive->dn & 1;
 	u8 tmp1 = 0, tmp2 = 0;
 	u8 ultra = 0, drive_conf = 0, ultra_conf = 0;
+	const u8 speed = drive->dma_mode;
 	unsigned long flags;
 
 	local_irq_save(flags);
@@ -134,9 +134,10 @@ static void aec6260_set_mode(ide_drive_t *drive, const u8 speed)
 	local_irq_restore(flags);
 }
 
-static void aec_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void aec_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	drive->hwif->port_ops->set_dma_mode(drive, pio + XFER_PIO_0);
+	drive->dma_mode = drive->pio_mode;
+	hwif->port_ops->set_dma_mode(hwif, drive);
 }
 
 static int init_chipset_aec62xx(struct pci_dev *dev)
diff --git a/drivers/ide/ali14xx.c b/drivers/ide/ali14xx.c
index 90da1f953ed0..25b9fe3a9f8e 100644
--- a/drivers/ide/ali14xx.c
+++ b/drivers/ide/ali14xx.c
@@ -109,13 +109,14 @@ static DEFINE_SPINLOCK(ali14xx_lock);
  * This function computes timing parameters
  * and sets controller registers accordingly.
  */
-static void ali14xx_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void ali14xx_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	int driveNum;
 	int time1, time2;
 	u8 param1, param2, param3, param4;
 	unsigned long flags;
 	int bus_speed = ide_vlb_clk ? ide_vlb_clk : 50;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 	struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio);
 
 	/* calculate timing, according to PIO mode */
diff --git a/drivers/ide/alim15x3.c b/drivers/ide/alim15x3.c
index 0abc43f3101e..2c8016ad0e26 100644
--- a/drivers/ide/alim15x3.c
+++ b/drivers/ide/alim15x3.c
@@ -8,7 +8,7 @@
  *  Copyright (C) 2002 Alan Cox
  *  ALi (now ULi M5228) support by Clear Zhang <Clear.Zhang@ali.com.tw>
  *  Copyright (C) 2007 MontaVista Software, Inc. <source@mvista.com>
- *  Copyright (C) 2007 Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
+ *  Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz
  *
  *  (U)DMA capable version of ali 1533/1543(C), 1535(D)
  *
@@ -48,61 +48,84 @@ static u8 m5229_revision;
 static u8 chip_is_1543c_e;
 static struct pci_dev *isa_dev;
 
+static void ali_fifo_control(ide_hwif_t *hwif, ide_drive_t *drive, int on)
+{
+	struct pci_dev *pdev = to_pci_dev(hwif->dev);
+	int pio_fifo = 0x54 + hwif->channel;
+	u8 fifo;
+	int shift = 4 * (drive->dn & 1);
+
+	pci_read_config_byte(pdev, pio_fifo, &fifo);
+	fifo &= ~(0x0F << shift);
+	fifo |= (on << shift);
+	pci_write_config_byte(pdev, pio_fifo, fifo);
+}
+
+static void ali_program_timings(ide_hwif_t *hwif, ide_drive_t *drive,
+				struct ide_timing *t, u8 ultra)
+{
+	struct pci_dev *dev = to_pci_dev(hwif->dev);
+	int port = hwif->channel ? 0x5c : 0x58;
+	int udmat = 0x56 + hwif->channel;
+	u8 unit = drive->dn & 1, udma;
+	int shift = 4 * unit;
+
+	/* Set up the UDMA */
+	pci_read_config_byte(dev, udmat, &udma);
+	udma &= ~(0x0F << shift);
+	udma |= ultra << shift;
+	pci_write_config_byte(dev, udmat, udma);
+
+	if (t == NULL)
+		return;
+
+	t->setup = clamp_val(t->setup, 1, 8) & 7;
+	t->act8b = clamp_val(t->act8b, 1, 8) & 7;
+	t->rec8b = clamp_val(t->rec8b, 1, 16) & 15;
+	t->active = clamp_val(t->active, 1, 8) & 7;
+	t->recover = clamp_val(t->recover, 1, 16) & 15;
+
+	pci_write_config_byte(dev, port, t->setup);
+	pci_write_config_byte(dev, port + 1, (t->act8b << 4) | t->rec8b);
+	pci_write_config_byte(dev, port + unit + 2,
+			      (t->active << 4) | t->recover);
+}
+
 /**
  *	ali_set_pio_mode	-	set host controller for PIO mode
+ *	@hwif: port
  *	@drive: drive
- *	@pio: PIO mode number
  *
  *	Program the controller for the given PIO mode.
  */
 
-static void ali_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void ali_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
-	struct pci_dev *dev = to_pci_dev(hwif->dev);
-	struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio);
-	int s_time = t->setup, a_time = t->active, c_time = t->cycle;
-	u8 s_clc, a_clc, r_clc;
-	unsigned long flags;
+	ide_drive_t *pair = ide_get_pair_dev(drive);
 	int bus_speed = ide_pci_clk ? ide_pci_clk : 33;
-	int port = hwif->channel ? 0x5c : 0x58;
-	int portFIFO = hwif->channel ? 0x55 : 0x54;
-	u8 cd_dma_fifo = 0, unit = drive->dn & 1;
-
-	if ((s_clc = (s_time * bus_speed + 999) / 1000) >= 8)
-		s_clc = 0;
-	if ((a_clc = (a_time * bus_speed + 999) / 1000) >= 8)
-		a_clc = 0;
-
-	if (!(r_clc = (c_time * bus_speed + 999) / 1000 - a_clc - s_clc)) {
-		r_clc = 1;
-	} else {
-		if (r_clc >= 16)
-			r_clc = 0;
+	unsigned long T =  1000000 / bus_speed; /* PCI clock based */
+	struct ide_timing t;
+
+	ide_timing_compute(drive, drive->pio_mode, &t, T, 1);
+	if (pair) {
+		struct ide_timing p;
+
+		ide_timing_compute(pair, pair->pio_mode, &p, T, 1);
+		ide_timing_merge(&p, &t, &t,
+			IDE_TIMING_SETUP | IDE_TIMING_8BIT);
+		if (pair->dma_mode) {
+			ide_timing_compute(pair, pair->dma_mode, &p, T, 1);
+			ide_timing_merge(&p, &t, &t,
+				IDE_TIMING_SETUP | IDE_TIMING_8BIT);
+		}
 	}
-	local_irq_save(flags);
-	
+
 	/* 
 	 * PIO mode => ATA FIFO on, ATAPI FIFO off
 	 */
-	pci_read_config_byte(dev, portFIFO, &cd_dma_fifo);
-	if (drive->media==ide_disk) {
-		if (unit) {
-			pci_write_config_byte(dev, portFIFO, (cd_dma_fifo & 0x0F) | 0x50);
-		} else {
-			pci_write_config_byte(dev, portFIFO, (cd_dma_fifo & 0xF0) | 0x05);
-		}
-	} else {
-		if (unit) {
-			pci_write_config_byte(dev, portFIFO, cd_dma_fifo & 0x0F);
-		} else {
-			pci_write_config_byte(dev, portFIFO, cd_dma_fifo & 0xF0);
-		}
-	}
-	
-	pci_write_config_byte(dev, port, s_clc);
-	pci_write_config_byte(dev, port + unit + 2, (a_clc << 4) | r_clc);
-	local_irq_restore(flags);
+	ali_fifo_control(hwif, drive, (drive->media == ide_disk) ? 0x05 : 0x00);
+
+	ali_program_timings(hwif, drive, &t, 0);
 }
 
 /**
@@ -132,44 +155,42 @@ static u8 ali_udma_filter(ide_drive_t *drive)
 
 /**
  *	ali_set_dma_mode	-	set host controller for DMA mode
+ *	@hwif: port
  *	@drive: drive
- *	@speed: DMA mode
  *
  *	Configure the hardware for the desired IDE transfer mode.
  */
 
-static void ali_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void ali_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
+	static u8 udma_timing[7] = { 0xC, 0xB, 0xA, 0x9, 0x8, 0xF, 0xD };
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
-	u8 speed1		= speed;
-	u8 unit			= drive->dn & 1;
+	ide_drive_t *pair	= ide_get_pair_dev(drive);
+	int bus_speed		= ide_pci_clk ? ide_pci_clk : 33;
+	unsigned long T		=  1000000 / bus_speed; /* PCI clock based */
+	const u8 speed		= drive->dma_mode;
 	u8 tmpbyte		= 0x00;
-	int m5229_udma		= (hwif->channel) ? 0x57 : 0x56;
-
-	if (speed == XFER_UDMA_6)
-		speed1 = 0x47;
+	struct ide_timing t;
 
 	if (speed < XFER_UDMA_0) {
-		u8 ultra_enable	= (unit) ? 0x7f : 0xf7;
-		/*
-		 * clear "ultra enable" bit
-		 */
-		pci_read_config_byte(dev, m5229_udma, &tmpbyte);
-		tmpbyte &= ultra_enable;
-		pci_write_config_byte(dev, m5229_udma, tmpbyte);
-
-		/*
-		 * FIXME: Oh, my... DMA timings are never set.
-		 */
+		ide_timing_compute(drive, drive->dma_mode, &t, T, 1);
+		if (pair) {
+			struct ide_timing p;
+
+			ide_timing_compute(pair, pair->pio_mode, &p, T, 1);
+			ide_timing_merge(&p, &t, &t,
+				IDE_TIMING_SETUP | IDE_TIMING_8BIT);
+			if (pair->dma_mode) {
+				ide_timing_compute(pair, pair->dma_mode,
+						&p, T, 1);
+				ide_timing_merge(&p, &t, &t,
+					IDE_TIMING_SETUP | IDE_TIMING_8BIT);
+			}
+		}
+		ali_program_timings(hwif, drive, &t, 0);
 	} else {
-		pci_read_config_byte(dev, m5229_udma, &tmpbyte);
-		tmpbyte &= (0x0f << ((1-unit) << 2));
-		/*
-		 * enable ultra dma and set timing
-		 */
-		tmpbyte |= ((0x08 | ((4-speed1)&0x07)) << (unit << 2));
-		pci_write_config_byte(dev, m5229_udma, tmpbyte);
+		ali_program_timings(hwif, drive, NULL,
+				udma_timing[speed - XFER_UDMA_0]);
 		if (speed >= XFER_UDMA_3) {
 			pci_read_config_byte(dev, 0x4b, &tmpbyte);
 			tmpbyte |= 1;
@@ -355,19 +376,13 @@ static int ali_cable_override(struct pci_dev *pdev)
  *
  *	This checks if the controller and the cable are capable
  *	of UDMA66 transfers. It doesn't check the drives.
- *	But see note 2 below!
- *
- *	FIXME: frobs bits that are not defined on newer ALi devicea
  */
 
 static u8 ali_cable_detect(ide_hwif_t *hwif)
 {
 	struct pci_dev *dev = to_pci_dev(hwif->dev);
-	unsigned long flags;
 	u8 cbl = ATA_CBL_PATA40, tmpbyte;
 
-	local_irq_save(flags);
-
 	if (m5229_revision >= 0xC2) {
 		/*
 		 * m5229 80-pin cable detection (from Host View)
@@ -387,8 +402,6 @@ static u8 ali_cable_detect(ide_hwif_t *hwif)
 		}
 	}
 
-	local_irq_restore(flags);
-
 	return cbl;
 }
 
@@ -584,6 +597,6 @@ static void __exit ali15x3_ide_exit(void)
 module_init(ali15x3_ide_init);
 module_exit(ali15x3_ide_exit);
 
-MODULE_AUTHOR("Michael Aubry, Andrzej Krzysztofowicz, CJ, Andre Hedrick, Alan Cox");
+MODULE_AUTHOR("Michael Aubry, Andrzej Krzysztofowicz, CJ, Andre Hedrick, Alan Cox, Bartlomiej Zolnierkiewicz");
 MODULE_DESCRIPTION("PCI driver module for ALi 15x3 IDE");
 MODULE_LICENSE("GPL");
diff --git a/drivers/ide/amd74xx.c b/drivers/ide/amd74xx.c
index 628cd2e5fed8..3747b2561f09 100644
--- a/drivers/ide/amd74xx.c
+++ b/drivers/ide/amd74xx.c
@@ -3,7 +3,7 @@
  * IDE driver for Linux.
  *
  * Copyright (c) 2000-2002 Vojtech Pavlik
- * Copyright (c) 2007-2008 Bartlomiej Zolnierkiewicz
+ * Copyright (c) 2007-2010 Bartlomiej Zolnierkiewicz
  *
  * Based on the work of:
  *      Andre Hedrick
@@ -70,7 +70,8 @@ static void amd_set_speed(struct pci_dev *dev, u8 dn, u8 udma_mask,
 	default: return;
 	}
 
-	pci_write_config_byte(dev, AMD_UDMA_TIMING + offset + (3 - dn), t);
+	if (timing->udma)
+		pci_write_config_byte(dev, AMD_UDMA_TIMING + offset + 3 - dn, t);
 }
 
 /*
@@ -78,14 +79,14 @@ static void amd_set_speed(struct pci_dev *dev, u8 dn, u8 udma_mask,
  * to a desired transfer mode.  It also can be called by upper layers.
  */
 
-static void amd_set_drive(ide_drive_t *drive, const u8 speed)
+static void amd_set_drive(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	struct pci_dev *dev = to_pci_dev(hwif->dev);
 	ide_drive_t *peer = ide_get_pair_dev(drive);
 	struct ide_timing t, p;
 	int T, UT;
 	u8 udma_mask = hwif->ultra_mask;
+	const u8 speed = drive->dma_mode;
 
 	T = 1000000000 / amd_clock;
 	UT = (udma_mask == ATA_UDMA2) ? T : (T / 2);
@@ -93,7 +94,7 @@ static void amd_set_drive(ide_drive_t *drive, const u8 speed)
 	ide_timing_compute(drive, speed, &t, T, UT);
 
 	if (peer) {
-		ide_timing_compute(peer, peer->current_speed, &p, T, UT);
+		ide_timing_compute(peer, peer->pio_mode, &p, T, UT);
 		ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT);
 	}
 
@@ -107,9 +108,10 @@ static void amd_set_drive(ide_drive_t *drive, const u8 speed)
  * amd_set_pio_mode() is a callback from upper layers for PIO-only tuning.
  */
 
-static void amd_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void amd_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	amd_set_drive(drive, XFER_PIO_0 + pio);
+	drive->dma_mode = drive->pio_mode;
+	amd_set_drive(hwif, drive);
 }
 
 static void amd7409_cable_detect(struct pci_dev *dev)
@@ -340,6 +342,6 @@ static void __exit amd74xx_ide_exit(void)
 module_init(amd74xx_ide_init);
 module_exit(amd74xx_ide_exit);
 
-MODULE_AUTHOR("Vojtech Pavlik");
+MODULE_AUTHOR("Vojtech Pavlik, Bartlomiej Zolnierkiewicz");
 MODULE_DESCRIPTION("AMD PCI IDE driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/ide/at91_ide.c b/drivers/ide/at91_ide.c
index 248219a89a68..000a78e5246c 100644
--- a/drivers/ide/at91_ide.c
+++ b/drivers/ide/at91_ide.c
@@ -172,11 +172,12 @@ static void at91_ide_output_data(ide_drive_t *drive, struct ide_cmd *cmd,
 	leave_16bit(chipselect, mode);
 }
 
-static void at91_ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void at91_ide_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	struct ide_timing *timing;
-	u8 chipselect = drive->hwif->select_data;
+	u8 chipselect = hwif->select_data;
 	int use_iordy = 0;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 
 	pdbg("chipselect %u pio %u\n", chipselect, pio);
 
diff --git a/drivers/ide/atiixp.c b/drivers/ide/atiixp.c
index 837322b10a4c..15f0ead89f5c 100644
--- a/drivers/ide/atiixp.c
+++ b/drivers/ide/atiixp.c
@@ -42,19 +42,20 @@ static DEFINE_SPINLOCK(atiixp_lock);
 
 /**
  *	atiixp_set_pio_mode	-	set host controller for PIO mode
+ *	@hwif: port
  *	@drive: drive
- *	@pio: PIO mode number
  *
  *	Set the interface PIO mode.
  */
 
-static void atiixp_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void atiixp_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
+	struct pci_dev *dev = to_pci_dev(hwif->dev);
 	unsigned long flags;
 	int timing_shift = (drive->dn ^ 1) * 8;
 	u32 pio_timing_data;
 	u16 pio_mode_data;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 
 	spin_lock_irqsave(&atiixp_lock, flags);
 
@@ -74,21 +75,22 @@ static void atiixp_set_pio_mode(ide_drive_t *drive, const u8 pio)
 
 /**
  *	atiixp_set_dma_mode	-	set host controller for DMA mode
+ *	@hwif: port
  *	@drive: drive
- *	@speed: DMA mode
  *
  *	Set a ATIIXP host controller to the desired DMA mode.  This involves
  *	programming the right timing data into the PCI configuration space.
  */
 
-static void atiixp_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void atiixp_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
+	struct pci_dev *dev = to_pci_dev(hwif->dev);
 	unsigned long flags;
 	int timing_shift = (drive->dn ^ 1) * 8;
 	u32 tmp32;
 	u16 tmp16;
 	u16 udma_ctl = 0;
+	const u8 speed = drive->dma_mode;
 
 	spin_lock_irqsave(&atiixp_lock, flags);
 
diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
index 349a67bf1a36..b26c23416fa7 100644
--- a/drivers/ide/au1xxx-ide.c
+++ b/drivers/ide/au1xxx-ide.c
@@ -99,12 +99,11 @@ static void au1xxx_output_data(ide_drive_t *drive, struct ide_cmd *cmd,
 }
 #endif
 
-static void au1xxx_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void au1xxx_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	int mem_sttime = 0, mem_stcfg = au_readl(MEM_STCFG2);
 
-	/* set pio mode! */
-	switch(pio) {
+	switch (drive->pio_mode - XFER_PIO_0) {
 	case 0:
 		mem_sttime = SBC_IDE_TIMING(PIO0);
 
@@ -161,11 +160,11 @@ static void au1xxx_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	au_writel(mem_stcfg,MEM_STCFG2);
 }
 
-static void auide_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void auide_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	int mem_sttime = 0, mem_stcfg = au_readl(MEM_STCFG2);
 
-	switch(speed) {
+	switch (drive->dma_mode) {
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
 	case XFER_MW_DMA_2:
 		mem_sttime = SBC_IDE_TIMING(MDMA2);
@@ -297,8 +296,8 @@ static int auide_dma_test_irq(ide_drive_t *drive)
 	 */
 	drive->waiting_for_dma++;
 	if (drive->waiting_for_dma >= DMA_WAIT_TIMEOUT) {
-		printk(KERN_WARNING "%s: timeout waiting for ddma to \
-                                     complete\n", drive->name);
+		printk(KERN_WARNING "%s: timeout waiting for ddma to complete\n",
+		       drive->name);
 		return 1;
 	}
 	udelay(10);
diff --git a/drivers/ide/cmd640.c b/drivers/ide/cmd640.c
index 1a32d62ed86b..d2b8b272bc27 100644
--- a/drivers/ide/cmd640.c
+++ b/drivers/ide/cmd640.c
@@ -572,9 +572,10 @@ static void cmd640_set_mode(ide_drive_t *drive, unsigned int index,
 	program_drive_counts(drive, index);
 }
 
-static void cmd640_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void cmd640_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	unsigned int index = 0, cycle_time;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 	u8 b;
 
 	switch (pio) {
@@ -605,7 +606,7 @@ static void cmd640_set_pio_mode(ide_drive_t *drive, const u8 pio)
 }
 #endif /* CONFIG_BLK_DEV_CMD640_ENHANCED */
 
-static void cmd640_init_dev(ide_drive_t *drive)
+static void __init cmd640_init_dev(ide_drive_t *drive)
 {
 	unsigned int i = drive->hwif->channel * 2 + (drive->dn & 1);
 
diff --git a/drivers/ide/cmd64x.c b/drivers/ide/cmd64x.c
index f2500c8826bb..5f80312e636b 100644
--- a/drivers/ide/cmd64x.c
+++ b/drivers/ide/cmd64x.c
@@ -7,6 +7,7 @@
  * Copyright (C) 1998		David S. Miller (davem@redhat.com)
  *
  * Copyright (C) 1999-2002	Andre Hedrick <andre@linux-ide.org>
+ * Copyright (C) 2007-2010	Bartlomiej Zolnierkiewicz
  * Copyright (C) 2007,2009	MontaVista Software, Inc. <source@mvista.com>
  */
 
@@ -50,72 +51,42 @@
 #define UDIDETCR1	0x7B
 #define DTPR1		0x7C
 
-static u8 quantize_timing(int timing, int quant)
-{
-	return (timing + quant - 1) / quant;
-}
-
-/*
- * This routine calculates active/recovery counts and then writes them into
- * the chipset registers.
- */
-static void program_cycle_times (ide_drive_t *drive, int cycle_time, int active_time)
+static void cmd64x_program_timings(ide_drive_t *drive, u8 mode)
 {
+	ide_hwif_t *hwif = drive->hwif;
 	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
-	int clock_time = 1000 / (ide_pci_clk ? ide_pci_clk : 33);
-	u8  cycle_count, active_count, recovery_count, drwtim;
+	int bus_speed = ide_pci_clk ? ide_pci_clk : 33;
+	const unsigned long T = 1000000 / bus_speed;
 	static const u8 recovery_values[] =
 		{15, 15, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 0};
+	static const u8 setup_values[] = {0x40, 0x40, 0x40, 0x80, 0, 0xc0};
+	static const u8 arttim_regs[4] = {ARTTIM0, ARTTIM1, ARTTIM23, ARTTIM23};
 	static const u8 drwtim_regs[4] = {DRWTIM0, DRWTIM1, DRWTIM2, DRWTIM3};
+	struct ide_timing t;
+	u8 arttim = 0;
 
-	cycle_count	= quantize_timing( cycle_time, clock_time);
-	active_count	= quantize_timing(active_time, clock_time);
-	recovery_count	= cycle_count - active_count;
+	ide_timing_compute(drive, mode, &t, T, 0);
 
 	/*
 	 * In case we've got too long recovery phase, try to lengthen
 	 * the active phase
 	 */
-	if (recovery_count > 16) {
-		active_count += recovery_count - 16;
-		recovery_count = 16;
+	if (t.recover > 16) {
+		t.active += t.recover - 16;
+		t.recover = 16;
 	}
-	if (active_count > 16)		/* shouldn't actually happen... */
-	 	active_count = 16;
+	if (t.active > 16)		/* shouldn't actually happen... */
+		t.active = 16;
 
 	/*
 	 * Convert values to internal chipset representation
 	 */
-	recovery_count = recovery_values[recovery_count];
- 	active_count  &= 0x0f;
+	t.recover = recovery_values[t.recover];
+	t.active &= 0x0f;
 
 	/* Program the active/recovery counts into the DRWTIM register */
-	drwtim = (active_count << 4) | recovery_count;
-	(void) pci_write_config_byte(dev, drwtim_regs[drive->dn], drwtim);
-}
-
-/*
- * This routine writes into the chipset registers
- * PIO setup/active/recovery timings.
- */
-static void cmd64x_tune_pio(ide_drive_t *drive, const u8 pio)
-{
-	ide_hwif_t *hwif	= drive->hwif;
-	struct pci_dev *dev	= to_pci_dev(hwif->dev);
-	struct ide_timing *t	= ide_timing_find_mode(XFER_PIO_0 + pio);
-	unsigned long setup_count;
-	unsigned int cycle_time;
-	u8 arttim = 0;
-
-	static const u8 setup_values[] = {0x40, 0x40, 0x40, 0x80, 0, 0xc0};
-	static const u8 arttim_regs[4] = {ARTTIM0, ARTTIM1, ARTTIM23, ARTTIM23};
-
-	cycle_time = ide_pio_cycle_time(drive, pio);
-
-	program_cycle_times(drive, cycle_time, t->active);
-
-	setup_count = quantize_timing(t->setup,
-			1000 / (ide_pci_clk ? ide_pci_clk : 33));
+	pci_write_config_byte(dev, drwtim_regs[drive->dn],
+			      (t.active << 4) | t.recover);
 
 	/*
 	 * The primary channel has individual address setup timing registers
@@ -126,15 +97,21 @@ static void cmd64x_tune_pio(ide_drive_t *drive, const u8 pio)
 	if (hwif->channel) {
 		ide_drive_t *pair = ide_get_pair_dev(drive);
 
-		ide_set_drivedata(drive, (void *)setup_count);
+		if (pair) {
+			struct ide_timing tp;
 
-		if (pair)
-			setup_count = max_t(u8, setup_count,
-					(unsigned long)ide_get_drivedata(pair));
+			ide_timing_compute(pair, pair->pio_mode, &tp, T, 0);
+			ide_timing_merge(&t, &tp, &t, IDE_TIMING_SETUP);
+			if (pair->dma_mode) {
+				ide_timing_compute(pair, pair->dma_mode,
+						&tp, T, 0);
+				ide_timing_merge(&tp, &t, &t, IDE_TIMING_SETUP);
+			}
+		}
 	}
 
-	if (setup_count > 5)		/* shouldn't actually happen... */
-		setup_count = 5;
+	if (t.setup > 5)		/* shouldn't actually happen... */
+		t.setup = 5;
 
 	/*
 	 * Program the address setup clocks into the ARTTIM registers.
@@ -144,7 +121,7 @@ static void cmd64x_tune_pio(ide_drive_t *drive, const u8 pio)
 	if (hwif->channel)
 		arttim &= ~ARTTIM23_INTR_CH1;
 	arttim &= ~0xc0;
-	arttim |= setup_values[setup_count];
+	arttim |= setup_values[t.setup];
 	(void) pci_write_config_byte(dev, arttim_regs[drive->dn], arttim);
 }
 
@@ -153,8 +130,10 @@ static void cmd64x_tune_pio(ide_drive_t *drive, const u8 pio)
  * Special cases are 8: prefetch off, 9: prefetch on (both never worked)
  */
 
-static void cmd64x_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void cmd64x_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
+
 	/*
 	 * Filter out the prefetch control values
 	 * to prevent PIO5 from being programmed
@@ -162,20 +141,18 @@ static void cmd64x_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	if (pio == 8 || pio == 9)
 		return;
 
-	cmd64x_tune_pio(drive, pio);
+	cmd64x_program_timings(drive, XFER_PIO_0 + pio);
 }
 
-static void cmd64x_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void cmd64x_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	u8 unit			= drive->dn & 0x01;
 	u8 regU = 0, pciU	= hwif->channel ? UDIDETCR1 : UDIDETCR0;
+	const u8 speed		= drive->dma_mode;
 
-	if (speed >= XFER_SW_DMA_0) {
-		(void) pci_read_config_byte(dev, pciU, &regU);
-		regU &= ~(unit ? 0xCA : 0x35);
-	}
+	pci_read_config_byte(dev, pciU, &regU);
+	regU &= ~(unit ? 0xCA : 0x35);
 
 	switch(speed) {
 	case XFER_UDMA_5:
@@ -197,18 +174,13 @@ static void cmd64x_set_dma_mode(ide_drive_t *drive, const u8 speed)
 		regU |= unit ? 0xC2 : 0x31;
 		break;
 	case XFER_MW_DMA_2:
-		program_cycle_times(drive, 120, 70);
-		break;
 	case XFER_MW_DMA_1:
-		program_cycle_times(drive, 150, 80);
-		break;
 	case XFER_MW_DMA_0:
-		program_cycle_times(drive, 480, 215);
+		cmd64x_program_timings(drive, speed);
 		break;
 	}
 
-	if (speed >= XFER_SW_DMA_0)
-		(void) pci_write_config_byte(dev, pciU, regU);
+	pci_write_config_byte(dev, pciU, regU);
 }
 
 static void cmd648_clear_irq(ide_drive_t *drive)
@@ -471,6 +443,6 @@ static void __exit cmd64x_ide_exit(void)
 module_init(cmd64x_ide_init);
 module_exit(cmd64x_ide_exit);
 
-MODULE_AUTHOR("Eddie Dost, David Miller, Andre Hedrick");
+MODULE_AUTHOR("Eddie Dost, David Miller, Andre Hedrick, Bartlomiej Zolnierkiewicz");
 MODULE_DESCRIPTION("PCI driver module for CMD64x IDE");
 MODULE_LICENSE("GPL");
diff --git a/drivers/ide/cs5520.c b/drivers/ide/cs5520.c
index 09f98ed0731f..2c1e5f7cd261 100644
--- a/drivers/ide/cs5520.c
+++ b/drivers/ide/cs5520.c
@@ -57,11 +57,11 @@ static struct pio_clocks cs5520_pio_clocks[]={
 	{1, 2, 1}
 };
 
-static void cs5520_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void cs5520_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	struct pci_dev *pdev = to_pci_dev(hwif->dev);
 	int controller = drive->dn > 1 ? 1 : 0;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 
 	/* 8bit CAT/CRT - 8bit command timing for channel */
 	pci_write_config_byte(pdev, 0x62 + controller, 
@@ -81,11 +81,12 @@ static void cs5520_set_pio_mode(ide_drive_t *drive, const u8 pio)
 		(cs5520_pio_clocks[pio].assert));
 }
 
-static void cs5520_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void cs5520_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	printk(KERN_ERR "cs55x0: bad ide timing.\n");
 
-	cs5520_set_pio_mode(drive, 0);
+	drive->pio_mode = XFER_PIO_0 + 0;
+	cs5520_set_pio_mode(hwif, drive);
 }
 
 static const struct ide_port_ops cs5520_port_ops = {
diff --git a/drivers/ide/cs5530.c b/drivers/ide/cs5530.c
index 40bf05eddf6e..4dc4eb92b076 100644
--- a/drivers/ide/cs5530.c
+++ b/drivers/ide/cs5530.c
@@ -41,8 +41,8 @@ static unsigned int cs5530_pio_timings[2][5] = {
 
 /**
  *	cs5530_set_pio_mode	-	set host controller for PIO mode
+ *	@hwif: port
  *	@drive: drive
- *	@pio: PIO mode number
  *
  *	Handles setting of PIO mode for the chipset.
  *
@@ -50,10 +50,11 @@ static unsigned int cs5530_pio_timings[2][5] = {
  *	will have valid default PIO timings set up before we get here.
  */
 
-static void cs5530_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void cs5530_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	unsigned long basereg = CS5530_BASEREG(drive->hwif);
+	unsigned long basereg = CS5530_BASEREG(hwif);
 	unsigned int format = (inl(basereg + 4) >> 31) & 1;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 
 	outl(cs5530_pio_timings[format][pio], basereg + ((drive->dn & 1)<<3));
 }
@@ -99,12 +100,12 @@ out:
 	return mask;
 }
 
-static void cs5530_set_dma_mode(ide_drive_t *drive, const u8 mode)
+static void cs5530_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	unsigned long basereg;
 	unsigned int reg, timings = 0;
 
-	switch (mode) {
+	switch (drive->dma_mode) {
 		case XFER_UDMA_0:	timings = 0x00921250; break;
 		case XFER_UDMA_1:	timings = 0x00911140; break;
 		case XFER_UDMA_2:	timings = 0x00911030; break;
@@ -112,7 +113,7 @@ static void cs5530_set_dma_mode(ide_drive_t *drive, const u8 mode)
 		case XFER_MW_DMA_1:	timings = 0x00012121; break;
 		case XFER_MW_DMA_2:	timings = 0x00002020; break;
 	}
-	basereg = CS5530_BASEREG(drive->hwif);
+	basereg = CS5530_BASEREG(hwif);
 	reg = inl(basereg + 4);			/* get drive0 config register */
 	timings |= reg & 0x80000000;		/* preserve PIO format bit */
 	if ((drive-> dn & 1) == 0) {		/* are we configuring drive0? */
diff --git a/drivers/ide/cs5535.c b/drivers/ide/cs5535.c
index b883838adc24..5059fafadf29 100644
--- a/drivers/ide/cs5535.c
+++ b/drivers/ide/cs5535.c
@@ -86,7 +86,7 @@ static void cs5535_set_speed(ide_drive_t *drive, const u8 speed)
 		cmd = pioa = speed - XFER_PIO_0;
 
 		if (pair) {
-			u8 piob = ide_get_best_pio_mode(pair, 255, 4);
+			u8 piob = pair->pio_mode - XFER_PIO_0;
 
 			if (piob < cmd)
 				cmd = piob;
@@ -129,28 +129,28 @@ static void cs5535_set_speed(ide_drive_t *drive, const u8 speed)
 
 /**
  *	cs5535_set_dma_mode	-	set host controller for DMA mode
+ *	@hwif: port
  *	@drive: drive
- *	@speed: DMA mode
  *
  *	Programs the chipset for DMA mode.
  */
 
-static void cs5535_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void cs5535_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	cs5535_set_speed(drive, speed);
+	cs5535_set_speed(drive, drive->dma_mode);
 }
 
 /**
  *	cs5535_set_pio_mode	-	set host controller for PIO mode
+ *	@hwif: port
  *	@drive: drive
- *	@pio: PIO mode number
  *
  *	A callback from the upper layers for PIO-only tuning.
  */
 
-static void cs5535_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void cs5535_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	cs5535_set_speed(drive, XFER_PIO_0 + pio);
+	cs5535_set_speed(drive, drive->pio_mode);
 }
 
 static u8 cs5535_cable_detect(ide_hwif_t *hwif)
diff --git a/drivers/ide/cs5536.c b/drivers/ide/cs5536.c
index 9623b852c616..24214ab60ac0 100644
--- a/drivers/ide/cs5536.c
+++ b/drivers/ide/cs5536.c
@@ -125,11 +125,11 @@ static u8 cs5536_cable_detect(ide_hwif_t *hwif)
 
 /**
  *	cs5536_set_pio_mode		-	PIO timing setup
+ *	@hwif: ATA port
  *	@drive: ATA device
- *	@pio: PIO mode number
  */
 
-static void cs5536_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void cs5536_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	static const u8 drv_timings[5] = {
 		0x98, 0x55, 0x32, 0x21, 0x20,
@@ -143,15 +143,16 @@ static void cs5536_set_pio_mode(ide_drive_t *drive, const u8 pio)
 		0x99, 0x92, 0x90, 0x22, 0x20,
 	};
 
-	struct pci_dev *pdev = to_pci_dev(drive->hwif->dev);
+	struct pci_dev *pdev = to_pci_dev(hwif->dev);
 	ide_drive_t *pair = ide_get_pair_dev(drive);
 	int cshift = (drive->dn & 1) ? IDE_CAST_D1_SHIFT : IDE_CAST_D0_SHIFT;
 	unsigned long timings = (unsigned long)ide_get_drivedata(drive);
 	u32 cast;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 	u8 cmd_pio = pio;
 
 	if (pair)
-		cmd_pio = min(pio, ide_get_best_pio_mode(pair, 255, 4));
+		cmd_pio = min_t(u8, pio, pair->pio_mode - XFER_PIO_0);
 
 	timings &= (IDE_DRV_MASK << 8);
 	timings |= drv_timings[pio];
@@ -172,11 +173,11 @@ static void cs5536_set_pio_mode(ide_drive_t *drive, const u8 pio)
 
 /**
  *	cs5536_set_dma_mode		-	DMA timing setup
+ *	@hwif: ATA port
  *	@drive: ATA device
- *	@mode: DMA mode
  */
 
-static void cs5536_set_dma_mode(ide_drive_t *drive, const u8 mode)
+static void cs5536_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	static const u8 udma_timings[6] = {
 		0xc2, 0xc1, 0xc0, 0xc4, 0xc5, 0xc6,
@@ -186,10 +187,11 @@ static void cs5536_set_dma_mode(ide_drive_t *drive, const u8 mode)
 		0x67, 0x21, 0x20,
 	};
 
-	struct pci_dev *pdev = to_pci_dev(drive->hwif->dev);
+	struct pci_dev *pdev = to_pci_dev(hwif->dev);
 	int dshift = (drive->dn & 1) ? IDE_D1_SHIFT : IDE_D0_SHIFT;
 	unsigned long timings = (unsigned long)ide_get_drivedata(drive);
 	u32 etc;
+	const u8 mode = drive->dma_mode;
 
 	cs5536_read(pdev, ETC, &etc);
 
diff --git a/drivers/ide/cy82c693.c b/drivers/ide/cy82c693.c
index d6e2cbbc53a0..9383f67deae1 100644
--- a/drivers/ide/cy82c693.c
+++ b/drivers/ide/cy82c693.c
@@ -1,43 +1,11 @@
 /*
  *  Copyright (C) 1998-2000 Andreas S. Krebs (akrebs@altavista.net), Maintainer
  *  Copyright (C) 1998-2002 Andre Hedrick <andre@linux-ide.org>, Integrator
+ *  Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz
  *
  * CYPRESS CY82C693 chipset IDE controller
  *
  * The CY82C693 chipset is used on Digital's PC-Alpha 164SX boards.
- * Writing the driver was quite simple, since most of the job is
- * done by the generic pci-ide support.
- * The hard part was finding the CY82C693's datasheet on Cypress's
- * web page :-(. But Altavista solved this problem :-).
- *
- *
- * Notes:
- * - I recently got a 16.8G IBM DTTA, so I was able to test it with
- *   a large and fast disk - the results look great, so I'd say the
- *   driver is working fine :-)
- *   hdparm -t reports 8.17 MB/sec at about 6% CPU usage for the DTTA
- * - this is my first linux driver, so there's probably a lot  of room
- *   for optimizations and bug fixing, so feel free to do it.
- * - if using PIO mode it's a good idea to set the PIO mode and
- *   32-bit I/O support (if possible), e.g. hdparm -p2 -c1 /dev/hda
- * - I had some problems with my IBM DHEA with PIO modes < 2
- *   (lost interrupts) ?????
- * - first tests with DMA look okay, they seem to work, but there is a
- *   problem with sound - the BusMaster IDE TimeOut should fixed this
- *
- * Ancient History:
- * AMH@1999-08-24: v0.34 init_cy82c693_chip moved to pci_init_cy82c693
- * ASK@1999-01-23: v0.33 made a few minor code clean ups
- *                       removed DMA clock speed setting by default
- *                       added boot message
- * ASK@1998-11-01: v0.32 added support to set BusMaster IDE TimeOut
- *                       added support to set DMA Controller Clock Speed
- * ASK@1998-10-31: v0.31 fixed problem with setting to high DMA modes
- *                       on some drives.
- * ASK@1998-10-29: v0.3 added support to set DMA modes
- * ASK@1998-10-28: v0.2 added support to set PIO modes
- * ASK@1998-10-27: v0.1 first version - chipset detection
- *
  */
 
 #include <linux/module.h>
@@ -81,87 +49,13 @@
 #define CY82_INDEX_CHANNEL1	0x31
 #define CY82_INDEX_TIMEOUT	0x32
 
-/* the min and max PCI bus speed in MHz - from datasheet */
-#define CY82C963_MIN_BUS_SPEED	25
-#define CY82C963_MAX_BUS_SPEED	33
-
-/* the struct for the PIO mode timings */
-typedef struct pio_clocks_s {
-	u8	address_time;	/* Address setup (clocks) */
-	u8	time_16r;	/* clocks for 16bit IOR (0xF0=Active/data, 0x0F=Recovery) */
-	u8	time_16w;	/* clocks for 16bit IOW (0xF0=Active/data, 0x0F=Recovery) */
-	u8	time_8;		/* clocks for 8bit (0xF0=Active/data, 0x0F=Recovery) */
-} pio_clocks_t;
-
-/*
- * calc clocks using bus_speed
- * returns (rounded up) time in bus clocks for time in ns
- */
-static int calc_clk(int time, int bus_speed)
-{
-	int clocks;
-
-	clocks = (time*bus_speed+999)/1000 - 1;
-
-	if (clocks < 0)
-		clocks = 0;
-
-	if (clocks > 0x0F)
-		clocks = 0x0F;
-
-	return clocks;
-}
-
-/*
- * compute the values for the clock registers for PIO
- * mode and pci_clk [MHz] speed
- *
- * NOTE: for mode 0,1 and 2 drives 8-bit IDE command control registers are used
- *       for mode 3 and 4 drives 8 and 16-bit timings are the same
- *
- */
-static void compute_clocks(u8 pio, pio_clocks_t *p_pclk)
-{
-	struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio);
-	int clk1, clk2;
-	int bus_speed = ide_pci_clk ? ide_pci_clk : 33;
-
-	/* we don't check against CY82C693's min and max speed,
-	 * so you can play with the idebus=xx parameter
-	 */
-
-	/* let's calc the address setup time clocks */
-	p_pclk->address_time = (u8)calc_clk(t->setup, bus_speed);
-
-	/* let's calc the active and recovery time clocks */
-	clk1 = calc_clk(t->active, bus_speed);
-
-	/* calc recovery timing */
-	clk2 = t->cycle - t->active - t->setup;
-
-	clk2 = calc_clk(clk2, bus_speed);
-
-	clk1 = (clk1<<4)|clk2;	/* combine active and recovery clocks */
-
-	/* note: we use the same values for 16bit IOR and IOW
-	 *	those are all the same, since I don't have other
-	 *	timings than those from ide-lib.c
-	 */
-
-	p_pclk->time_16r = (u8)clk1;
-	p_pclk->time_16w = (u8)clk1;
-
-	/* what are good values for 8bit ?? */
-	p_pclk->time_8 = (u8)clk1;
-}
-
 /*
  * set DMA mode a specific channel for CY82C693
  */
 
-static void cy82c693_set_dma_mode(ide_drive_t *drive, const u8 mode)
+static void cy82c693_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
+	const u8 mode = drive->dma_mode;
 	u8 single = (mode & 0x10) >> 4, index = 0, data = 0;
 
 	index = hwif->channel ? CY82_INDEX_CHANNEL1 : CY82_INDEX_CHANNEL0;
@@ -186,12 +80,14 @@ static void cy82c693_set_dma_mode(ide_drive_t *drive, const u8 mode)
 	outb(data, CY82_DATA_PORT);
 }
 
-static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void cy82c693_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	struct pci_dev *dev = to_pci_dev(hwif->dev);
-	pio_clocks_t pclk;
+	int bus_speed = ide_pci_clk ? ide_pci_clk : 33;
+	const unsigned long T = 1000000 / bus_speed;
 	unsigned int addrCtrl;
+	struct ide_timing t;
+	u8 time_16, time_8;
 
 	/* select primary or secondary channel */
 	if (hwif->index > 0) {  /* drive is on the secondary channel */
@@ -204,8 +100,12 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio)
 		}
 	}
 
-	/* let's calc the values for this PIO mode */
-	compute_clocks(pio, &pclk);
+	ide_timing_compute(drive, drive->pio_mode, &t, T, 1);
+
+	time_16 = clamp_val(t.recover - 1, 0, 15) |
+		  (clamp_val(t.active - 1, 0, 15) << 4);
+	time_8 = clamp_val(t.act8b - 1, 0, 15) |
+		 (clamp_val(t.rec8b - 1, 0, 15) << 4);
 
 	/* now let's write  the clocks registers */
 	if ((drive->dn & 1) == 0) {
@@ -217,13 +117,13 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio)
 		pci_read_config_dword(dev, CY82_IDE_ADDRSETUP, &addrCtrl);
 
 		addrCtrl &= (~0xF);
-		addrCtrl |= (unsigned int)pclk.address_time;
+		addrCtrl |= clamp_val(t.setup - 1, 0, 15);
 		pci_write_config_dword(dev, CY82_IDE_ADDRSETUP, addrCtrl);
 
 		/* now let's set the remaining registers */
-		pci_write_config_byte(dev, CY82_IDE_MASTER_IOR, pclk.time_16r);
-		pci_write_config_byte(dev, CY82_IDE_MASTER_IOW, pclk.time_16w);
-		pci_write_config_byte(dev, CY82_IDE_MASTER_8BIT, pclk.time_8);
+		pci_write_config_byte(dev, CY82_IDE_MASTER_IOR, time_16);
+		pci_write_config_byte(dev, CY82_IDE_MASTER_IOW, time_16);
+		pci_write_config_byte(dev, CY82_IDE_MASTER_8BIT, time_8);
 	} else {
 		/*
 		 * set slave drive
@@ -233,13 +133,13 @@ static void cy82c693_set_pio_mode(ide_drive_t *drive, const u8 pio)
 		pci_read_config_dword(dev, CY82_IDE_ADDRSETUP, &addrCtrl);
 
 		addrCtrl &= (~0xF0);
-		addrCtrl |= ((unsigned int)pclk.address_time<<4);
+		addrCtrl |= (clamp_val(t.setup - 1, 0, 15) << 4);
 		pci_write_config_dword(dev, CY82_IDE_ADDRSETUP, addrCtrl);
 
 		/* now let's set the remaining registers */
-		pci_write_config_byte(dev, CY82_IDE_SLAVE_IOR, pclk.time_16r);
-		pci_write_config_byte(dev, CY82_IDE_SLAVE_IOW, pclk.time_16w);
-		pci_write_config_byte(dev, CY82_IDE_SLAVE_8BIT, pclk.time_8);
+		pci_write_config_byte(dev, CY82_IDE_SLAVE_IOR, time_16);
+		pci_write_config_byte(dev, CY82_IDE_SLAVE_IOW, time_16);
+		pci_write_config_byte(dev, CY82_IDE_SLAVE_8BIT, time_8);
 	}
 }
 
@@ -325,6 +225,6 @@ static void __exit cy82c693_ide_exit(void)
 module_init(cy82c693_ide_init);
 module_exit(cy82c693_ide_exit);
 
-MODULE_AUTHOR("Andreas Krebs, Andre Hedrick");
+MODULE_AUTHOR("Andreas Krebs, Andre Hedrick, Bartlomiej Zolnierkiewicz");
 MODULE_DESCRIPTION("PCI driver module for the Cypress CY82C693 IDE");
 MODULE_LICENSE("GPL");
diff --git a/drivers/ide/dtc2278.c b/drivers/ide/dtc2278.c
index c6b138122981..6929f7fce93a 100644
--- a/drivers/ide/dtc2278.c
+++ b/drivers/ide/dtc2278.c
@@ -68,11 +68,11 @@ static void sub22 (char b, char c)
 
 static DEFINE_SPINLOCK(dtc2278_lock);
 
-static void dtc2278_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void dtc2278_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	unsigned long flags;
 
-	if (pio >= 3) {
+	if (drive->pio_mode >= XFER_PIO_3) {
 		spin_lock_irqsave(&dtc2278_lock, flags);
 		/*
 		 * This enables PIO mode4 (3?) on the first interface
diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c
index 4d90ac2dbb1b..b885c1d548f5 100644
--- a/drivers/ide/hpt366.c
+++ b/drivers/ide/hpt366.c
@@ -627,14 +627,14 @@ static u32 get_speed_setting(u8 speed, struct hpt_info *info)
 	return info->timings->clock_table[info->clock][i];
 }
 
-static void hpt3xx_set_mode(ide_drive_t *drive, const u8 speed)
+static void hpt3xx_set_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	struct hpt_info *info	= hpt3xx_get_info(hwif->dev);
 	struct hpt_timings *t	= info->timings;
 	u8  itr_addr		= 0x40 + (drive->dn * 4);
 	u32 old_itr		= 0;
+	const u8 speed		= drive->dma_mode;
 	u32 new_itr		= get_speed_setting(speed, info);
 	u32 itr_mask		= speed < XFER_MW_DMA_0 ? t->pio_mask :
 				 (speed < XFER_UDMA_0   ? t->dma_mask :
@@ -651,9 +651,10 @@ static void hpt3xx_set_mode(ide_drive_t *drive, const u8 speed)
 	pci_write_config_dword(dev, itr_addr, new_itr);
 }
 
-static void hpt3xx_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void hpt3xx_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	hpt3xx_set_mode(drive, XFER_PIO_0 + pio);
+	drive->dma_mode = drive->pio_mode;
+	hpt3xx_set_mode(hwif, drive);
 }
 
 static void hpt3xx_maskproc(ide_drive_t *drive, int mask)
diff --git a/drivers/ide/ht6560b.c b/drivers/ide/ht6560b.c
index aafed8060e17..d81e49680c3f 100644
--- a/drivers/ide/ht6560b.c
+++ b/drivers/ide/ht6560b.c
@@ -279,9 +279,10 @@ static void ht_set_prefetch(ide_drive_t *drive, u8 state)
 #endif
 }
 
-static void ht6560b_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void ht6560b_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	unsigned long flags, config;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 	u8 timing;
 	
 	switch (pio) {
diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c
index 0f67f1abbbd3..4a697a238e28 100644
--- a/drivers/ide/icside.c
+++ b/drivers/ide/icside.c
@@ -65,6 +65,8 @@ static struct cardinfo icside_cardinfo_v6_2 = {
 };
 
 struct icside_state {
+	unsigned int channel;
+	unsigned int enabled;
 	void __iomem *irq_port;
 	void __iomem *ioc_base;
 	unsigned int sel;
@@ -114,11 +116,18 @@ static void icside_irqenable_arcin_v6 (struct expansion_card *ec, int irqnr)
 	struct icside_state *state = ec->irq_data;
 	void __iomem *base = state->irq_port;
 
-	writeb(0, base + ICS_ARCIN_V6_INTROFFSET_1);
-	readb(base + ICS_ARCIN_V6_INTROFFSET_2);
+	state->enabled = 1;
 
-	writeb(0, base + ICS_ARCIN_V6_INTROFFSET_2);
-	readb(base + ICS_ARCIN_V6_INTROFFSET_1);
+	switch (state->channel) {
+	case 0:
+		writeb(0, base + ICS_ARCIN_V6_INTROFFSET_1);
+		readb(base + ICS_ARCIN_V6_INTROFFSET_2);
+		break;
+	case 1:
+		writeb(0, base + ICS_ARCIN_V6_INTROFFSET_2);
+		readb(base + ICS_ARCIN_V6_INTROFFSET_1);
+		break;
+	}
 }
 
 /* Prototype: icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr)
@@ -128,6 +137,8 @@ static void icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr)
 {
 	struct icside_state *state = ec->irq_data;
 
+	state->enabled = 0;
+
 	readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1);
 	readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2);
 }
@@ -149,6 +160,44 @@ static const expansioncard_ops_t icside_ops_arcin_v6 = {
 	.irqpending	= icside_irqpending_arcin_v6,
 };
 
+/*
+ * Handle routing of interrupts.  This is called before
+ * we write the command to the drive.
+ */
+static void icside_maskproc(ide_drive_t *drive, int mask)
+{
+	ide_hwif_t *hwif = drive->hwif;
+	struct expansion_card *ec = ECARD_DEV(hwif->dev);
+	struct icside_state *state = ecard_get_drvdata(ec);
+	unsigned long flags;
+
+	local_irq_save(flags);
+
+	state->channel = hwif->channel;
+
+	if (state->enabled && !mask) {
+		switch (hwif->channel) {
+		case 0:
+			writeb(0, state->irq_port + ICS_ARCIN_V6_INTROFFSET_1);
+			readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2);
+			break;
+		case 1:
+			writeb(0, state->irq_port + ICS_ARCIN_V6_INTROFFSET_2);
+			readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1);
+			break;
+		}
+	} else {
+		readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2);
+		readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1);
+	}
+
+	local_irq_restore(flags);
+}
+
+static const struct ide_port_ops icside_v6_no_dma_port_ops = {
+	.maskproc		= icside_maskproc,
+};
+
 #ifdef CONFIG_BLK_DEV_IDEDMA_ICS
 /*
  * SG-DMA support.
@@ -185,10 +234,11 @@ static const expansioncard_ops_t icside_ops_arcin_v6 = {
  *	MW1	80	50	50	150	C
  *	MW2	70	25	25	120	C
  */
-static void icside_set_dma_mode(ide_drive_t *drive, const u8 xfer_mode)
+static void icside_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	unsigned long cycle_time;
 	int use_dma_info = 0;
+	const u8 xfer_mode = drive->dma_mode;
 
 	switch (xfer_mode) {
 	case XFER_MW_DMA_2:
@@ -228,6 +278,7 @@ static void icside_set_dma_mode(ide_drive_t *drive, const u8 xfer_mode)
 
 static const struct ide_port_ops icside_v6_port_ops = {
 	.set_dma_mode		= icside_set_dma_mode,
+	.maskproc		= icside_maskproc,
 };
 
 static void icside_dma_host_set(ide_drive_t *drive, int on)
@@ -272,6 +323,11 @@ static int icside_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd)
 	BUG_ON(dma_channel_active(ec->dma));
 
 	/*
+	 * Ensure that we have the right interrupt routed.
+	 */
+	icside_maskproc(drive, 0);
+
+	/*
 	 * Route the DMA signals to the correct interface.
 	 */
 	writeb(state->sel | hwif->channel, state->ioc_base);
@@ -399,6 +455,7 @@ err_free:
 
 static const struct ide_port_info icside_v6_port_info __initdata = {
 	.init_dma		= icside_dma_off_init,
+	.port_ops		= &icside_v6_no_dma_port_ops,
 	.dma_ops		= &icside_v6_dma_ops,
 	.host_flags		= IDE_HFLAG_SERIALIZE | IDE_HFLAG_MMIO,
 	.mwdma_mask		= ATA_MWDMA2,
diff --git a/drivers/ide/ide-cs.c b/drivers/ide/ide-cs.c
index dd6396384c25..ab87e4f7cec9 100644
--- a/drivers/ide/ide-cs.c
+++ b/drivers/ide/ide-cs.c
@@ -121,19 +121,11 @@ static int ide_probe(struct pcmcia_device *link)
 static void ide_detach(struct pcmcia_device *link)
 {
     ide_info_t *info = link->priv;
-    ide_hwif_t *hwif = info->host->ports[0];
-    unsigned long data_addr, ctl_addr;
 
     dev_dbg(&link->dev, "ide_detach(0x%p)\n", link);
 
-    data_addr = hwif->io_ports.data_addr;
-    ctl_addr  = hwif->io_ports.ctl_addr;
-
     ide_release(link);
 
-    release_region(ctl_addr, 1);
-    release_region(data_addr, 8);
-
     kfree(info);
 } /* ide_detach */
 
@@ -354,12 +346,19 @@ static void ide_release(struct pcmcia_device *link)
 
     dev_dbg(&link->dev, "ide_release(0x%p)\n", link);
 
-    if (info->ndev)
-	/* FIXME: if this fails we need to queue the cleanup somehow
-	   -- need to investigate the required PCMCIA magic */
+    if (info->ndev) {
+	ide_hwif_t *hwif = host->ports[0];
+	unsigned long data_addr, ctl_addr;
+
+	data_addr = hwif->io_ports.data_addr;
+	ctl_addr = hwif->io_ports.ctl_addr;
+
 	ide_host_remove(host);
+	info->ndev = 0;
 
-    info->ndev = 0;
+	release_region(ctl_addr, 1);
+	release_region(data_addr, 8);
+    }
 
     pcmcia_disable_device(link);
 } /* ide_release */
diff --git a/drivers/ide/ide-devsets.c b/drivers/ide/ide-devsets.c
index 1099bf7cf968..c6935c78757c 100644
--- a/drivers/ide/ide-devsets.c
+++ b/drivers/ide/ide-devsets.c
@@ -105,15 +105,17 @@ static int set_pio_mode(ide_drive_t *drive, int arg)
 		return -ENOSYS;
 
 	if (set_pio_mode_abuse(drive->hwif, arg)) {
+		drive->pio_mode = arg + XFER_PIO_0;
+
 		if (arg == 8 || arg == 9) {
 			unsigned long flags;
 
 			/* take lock for IDE_DFLAG_[NO_]UNMASK/[NO_]IO_32BIT */
 			spin_lock_irqsave(&hwif->lock, flags);
-			port_ops->set_pio_mode(drive, arg);
+			port_ops->set_pio_mode(hwif, drive);
 			spin_unlock_irqrestore(&hwif->lock, flags);
 		} else
-			port_ops->set_pio_mode(drive, arg);
+			port_ops->set_pio_mode(hwif, drive);
 	} else {
 		int keep_dma = !!(drive->dev_flags & IDE_DFLAG_USING_DMA);
 
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 222c1ef65fb9..376f2dc410c5 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -231,7 +231,7 @@ u8 eighty_ninty_three(ide_drive_t *drive)
 	u16 *id = drive->id;
 	int ivb = ide_in_drive_list(id, ivb_list);
 
-	if (hwif->cbl == ATA_CBL_PATA40_SHORT)
+	if (hwif->cbl == ATA_CBL_SATA || hwif->cbl == ATA_CBL_PATA40_SHORT)
 		return 1;
 
 	if (ivb)
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index f8c1ae6ad74c..4c3d1bfec0c5 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -695,14 +695,8 @@ static int ide_probe_port(ide_hwif_t *hwif)
 	if (irqd)
 		disable_irq(hwif->irq);
 
-	rc = ide_port_wait_ready(hwif);
-	if (rc == -ENODEV) {
-		printk(KERN_INFO "%s: no devices on the port\n", hwif->name);
-		goto out;
-	} else if (rc == -EBUSY)
-		printk(KERN_ERR "%s: not ready before the probe\n", hwif->name);
-	else
-		rc = -ENODEV;
+	if (ide_port_wait_ready(hwif) == -EBUSY)
+		printk(KERN_DEBUG "%s: Wait for ready failed before probe !\n", hwif->name);
 
 	/*
 	 * Second drive should only exist if first drive was found,
@@ -713,7 +707,7 @@ static int ide_probe_port(ide_hwif_t *hwif)
 		if (drive->dev_flags & IDE_DFLAG_PRESENT)
 			rc = 0;
 	}
-out:
+
 	/*
 	 * Use cached IRQ number. It might be (and is...) changed by probe
 	 * code above
@@ -1042,6 +1036,8 @@ static void ide_port_init_devices(ide_hwif_t *hwif)
 		if (hwif->host_flags & IDE_HFLAG_NO_UNMASK_IRQS)
 			drive->dev_flags |= IDE_DFLAG_NO_UNMASK;
 
+		drive->pio_mode = XFER_PIO_0;
+
 		if (port_ops && port_ops->init_dev)
 			port_ops->init_dev(drive);
 	}
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 6a0e62542167..b07232880ec9 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -1365,7 +1365,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
  * supported here, and not in the corresponding block interface. Our own
  * ide-tape ioctls are supported on both interfaces.
  */
-static int idetape_chrdev_ioctl(struct inode *inode, struct file *file,
+static long do_idetape_chrdev_ioctl(struct file *file,
 				unsigned int cmd, unsigned long arg)
 {
 	struct ide_tape_obj *tape = file->private_data;
@@ -1420,6 +1420,16 @@ static int idetape_chrdev_ioctl(struct inode *inode, struct file *file,
 	}
 }
 
+static long idetape_chrdev_ioctl(struct file *file,
+				unsigned int cmd, unsigned long arg)
+{
+	long ret;
+	lock_kernel();
+	ret = do_idetape_chrdev_ioctl(file, cmd, arg);
+	unlock_kernel();
+	return ret;
+}
+
 /*
  * Do a mode sense page 0 with block descriptor and if it succeeds set the tape
  * block size with the reported value.
@@ -1888,7 +1898,7 @@ static const struct file_operations idetape_fops = {
 	.owner		= THIS_MODULE,
 	.read		= idetape_chrdev_read,
 	.write		= idetape_chrdev_write,
-	.ioctl		= idetape_chrdev_ioctl,
+	.unlocked_ioctl	= idetape_chrdev_ioctl,
 	.open		= idetape_chrdev_open,
 	.release	= idetape_chrdev_release,
 };
diff --git a/drivers/ide/ide-timings.c b/drivers/ide/ide-timings.c
index 001a56365be5..0e05f75934c9 100644
--- a/drivers/ide/ide-timings.c
+++ b/drivers/ide/ide-timings.c
@@ -166,12 +166,13 @@ int ide_timing_compute(ide_drive_t *drive, u8 speed,
 	if (id[ATA_ID_FIELD_VALID] & 2) {	/* EIDE drive */
 		memset(&p, 0, sizeof(p));
 
-		if (speed <= XFER_PIO_2)
-			p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO];
-		else if ((speed <= XFER_PIO_4) ||
-			 (speed == XFER_PIO_5 && !ata_id_is_cfa(id)))
-			p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO_IORDY];
-		else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2)
+		if (speed >= XFER_PIO_0 && speed < XFER_SW_DMA_0) {
+			if (speed <= XFER_PIO_2)
+				p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO];
+			else if ((speed <= XFER_PIO_4) ||
+				 (speed == XFER_PIO_5 && !ata_id_is_cfa(id)))
+				p.cycle = p.cyc8b = id[ATA_ID_EIDE_PIO_IORDY];
+		} else if (speed >= XFER_MW_DMA_0 && speed <= XFER_MW_DMA_2)
 			p.cycle = id[ATA_ID_EIDE_DMA_MIN];
 
 		ide_timing_merge(&p, t, t, IDE_TIMING_CYCLE | IDE_TIMING_CYC8B);
@@ -185,11 +186,10 @@ int ide_timing_compute(ide_drive_t *drive, u8 speed,
 	/*
 	 * Even in DMA/UDMA modes we still use PIO access for IDENTIFY,
 	 * S.M.A.R.T and some other commands. We have to ensure that the
-	 * DMA cycle timing is slower/equal than the fastest PIO timing.
+	 * DMA cycle timing is slower/equal than the current PIO timing.
 	 */
 	if (speed >= XFER_SW_DMA_0) {
-		u8 pio = ide_get_best_pio_mode(drive, 255, 5);
-		ide_timing_compute(drive, XFER_PIO_0 + pio, &p, T, UT);
+		ide_timing_compute(drive, drive->pio_mode, &p, T, UT);
 		ide_timing_merge(&p, t, t, IDE_TIMING_ALL);
 	}
 
diff --git a/drivers/ide/ide-xfer-mode.c b/drivers/ide/ide-xfer-mode.c
index 46d203ce60cc..5fc8d5c17de9 100644
--- a/drivers/ide/ide-xfer-mode.c
+++ b/drivers/ide/ide-xfer-mode.c
@@ -58,7 +58,7 @@ EXPORT_SYMBOL(ide_xfer_verbose);
  *	This is used by most chipset support modules when "auto-tuning".
  */
 
-u8 ide_get_best_pio_mode(ide_drive_t *drive, u8 mode_wanted, u8 max_mode)
+static u8 ide_get_best_pio_mode(ide_drive_t *drive, u8 mode_wanted, u8 max_mode)
 {
 	u16 *id = drive->id;
 	int pio_mode = -1, overridden = 0;
@@ -105,7 +105,6 @@ u8 ide_get_best_pio_mode(ide_drive_t *drive, u8 mode_wanted, u8 max_mode)
 
 	return pio_mode;
 }
-EXPORT_SYMBOL_GPL(ide_get_best_pio_mode);
 
 int ide_pio_need_iordy(ide_drive_t *drive, const u8 pio)
 {
@@ -135,17 +134,20 @@ int ide_set_pio_mode(ide_drive_t *drive, const u8 mode)
 	 * set transfer mode on the device in ->set_pio_mode method...
 	 */
 	if (port_ops->set_dma_mode == NULL) {
-		port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
+		drive->pio_mode = mode;
+		port_ops->set_pio_mode(hwif, drive);
 		return 0;
 	}
 
 	if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) {
 		if (ide_config_drive_speed(drive, mode))
 			return -1;
-		port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
+		drive->pio_mode = mode;
+		port_ops->set_pio_mode(hwif, drive);
 		return 0;
 	} else {
-		port_ops->set_pio_mode(drive, mode - XFER_PIO_0);
+		drive->pio_mode = mode;
+		port_ops->set_pio_mode(hwif, drive);
 		return ide_config_drive_speed(drive, mode);
 	}
 }
@@ -164,10 +166,12 @@ int ide_set_dma_mode(ide_drive_t *drive, const u8 mode)
 	if (hwif->host_flags & IDE_HFLAG_POST_SET_MODE) {
 		if (ide_config_drive_speed(drive, mode))
 			return -1;
-		port_ops->set_dma_mode(drive, mode);
+		drive->dma_mode = mode;
+		port_ops->set_dma_mode(hwif, drive);
 		return 0;
 	} else {
-		port_ops->set_dma_mode(drive, mode);
+		drive->dma_mode = mode;
+		port_ops->set_dma_mode(hwif, drive);
 		return ide_config_drive_speed(drive, mode);
 	}
 }
diff --git a/drivers/ide/it8172.c b/drivers/ide/it8172.c
index 0d266a5b524d..560e66d07659 100644
--- a/drivers/ide/it8172.c
+++ b/drivers/ide/it8172.c
@@ -37,12 +37,12 @@
 
 #define DRV_NAME "IT8172"
 
-static void it8172_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void it8172_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	u16 drive_enables;
 	u32 drive_timing;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 
 	/*
 	 * The highest value of DIOR/DIOW pulse width and recovery time
@@ -77,14 +77,14 @@ static void it8172_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	pci_write_config_dword(dev, 0x44, drive_timing);
 }
 
-static void it8172_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void it8172_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	int a_speed		= 3 << (drive->dn * 4);
 	int u_flag		= 1 << drive->dn;
 	int u_speed		= 0;
 	u8 reg48, reg4a;
+	const u8 speed		= drive->dma_mode;
 
 	pci_read_config_byte(dev, 0x48, &reg48);
 	pci_read_config_byte(dev, 0x4a, &reg4a);
@@ -98,14 +98,14 @@ static void it8172_set_dma_mode(ide_drive_t *drive, const u8 speed)
 		pci_write_config_byte(dev, 0x4a, reg4a | u_speed);
 	} else {
 		const u8 mwdma_to_pio[] = { 0, 3, 4 };
-		u8 pio;
 
 		pci_write_config_byte(dev, 0x48, reg48 & ~u_flag);
 		pci_write_config_byte(dev, 0x4a, reg4a & ~a_speed);
 
-		pio = mwdma_to_pio[speed - XFER_MW_DMA_0];
+		drive->pio_mode =
+			mwdma_to_pio[speed - XFER_MW_DMA_0] + XFER_PIO_0;
 
-		it8172_set_pio_mode(drive, pio);
+		it8172_set_pio_mode(hwif, drive);
 	}
 }
 
diff --git a/drivers/ide/it8213.c b/drivers/ide/it8213.c
index 47976167796a..46816ba26416 100644
--- a/drivers/ide/it8213.c
+++ b/drivers/ide/it8213.c
@@ -17,15 +17,14 @@
 
 /**
  *	it8213_set_pio_mode	-	set host controller for PIO mode
+ *	@hwif: port
  *	@drive: drive
- *	@pio: PIO mode number
  *
  *	Set the interface PIO mode.
  */
 
-static void it8213_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void it8213_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	int is_slave		= drive->dn & 1;
 	int master_port		= 0x40;
@@ -35,6 +34,7 @@ static void it8213_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	u8 slave_data;
 	static DEFINE_SPINLOCK(tune_lock);
 	int control = 0;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 
 	static const u8 timings[][2] = {
 					{ 0, 0 },
@@ -74,15 +74,14 @@ static void it8213_set_pio_mode(ide_drive_t *drive, const u8 pio)
 
 /**
  *	it8213_set_dma_mode	-	set host controller for DMA mode
+ *	@hwif: port
  *	@drive: drive
- *	@speed: DMA mode
  *
  *	Tune the ITE chipset for the DMA mode.
  */
 
-static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void it8213_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	u8 maslave		= 0x40;
 	int a_speed		= 3 << (drive->dn * 4);
@@ -92,6 +91,7 @@ static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
 	int u_speed		= 0;
 	u16			reg4042, reg4a;
 	u8			reg48, reg54, reg55;
+	const u8 speed		= drive->dma_mode;
 
 	pci_read_config_word(dev, maslave, &reg4042);
 	pci_read_config_byte(dev, 0x48, &reg48);
@@ -120,7 +120,6 @@ static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
 			pci_write_config_byte(dev, 0x54, reg54 & ~v_flag);
 	} else {
 		const u8 mwdma_to_pio[] = { 0, 3, 4 };
-		u8 pio;
 
 		if (reg48 & u_flag)
 			pci_write_config_byte(dev, 0x48, reg48 & ~u_flag);
@@ -132,11 +131,12 @@ static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
 			pci_write_config_byte(dev, 0x55, (u8) reg55 & ~w_flag);
 
 		if (speed >= XFER_MW_DMA_0)
-			pio = mwdma_to_pio[speed - XFER_MW_DMA_0];
+			drive->pio_mode =
+				mwdma_to_pio[speed - XFER_MW_DMA_0] + XFER_PIO_0;
 		else
-			pio = 2; /* only SWDMA2 is allowed */
+			drive->pio_mode = XFER_PIO_2; /* for SWDMA2 */
 
-		it8213_set_pio_mode(drive, pio);
+		it8213_set_pio_mode(hwif, drive);
 	}
 }
 
diff --git a/drivers/ide/it821x.c b/drivers/ide/it821x.c
index 51aa745246dc..b2709c733485 100644
--- a/drivers/ide/it821x.c
+++ b/drivers/ide/it821x.c
@@ -228,18 +228,18 @@ static void it821x_clock_strategy(ide_drive_t *drive)
 
 /**
  *	it821x_set_pio_mode	-	set host controller for PIO mode
+ *	@hwif: port
  *	@drive: drive
- *	@pio: PIO mode number
  *
  *	Tune the host to the desired PIO mode taking into the consideration
  *	the maximum PIO mode supported by the other device on the cable.
  */
 
-static void it821x_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void it821x_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	struct it821x_dev *itdev = ide_get_hwifdata(hwif);
 	ide_drive_t *pair = ide_get_pair_dev(drive);
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 	u8 unit = drive->dn & 1, set_pio = pio;
 
 	/* Spec says 89 ref driver uses 88 */
@@ -252,7 +252,7 @@ static void it821x_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	 * on the cable.
 	 */
 	if (pair) {
-		u8 pair_pio = ide_get_best_pio_mode(pair, 255, 4);
+		u8 pair_pio = pair->pio_mode - XFER_PIO_0;
 		/* trim PIO to the slowest of the master/slave */
 		if (pair_pio < set_pio)
 			set_pio = pair_pio;
@@ -393,14 +393,16 @@ static int it821x_dma_end(ide_drive_t *drive)
 
 /**
  *	it821x_set_dma_mode	-	set host controller for DMA mode
+ *	@hwif: port
  *	@drive: drive
- *	@speed: DMA mode
  *
  *	Tune the ITE chipset for the desired DMA mode.
  */
 
-static void it821x_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void it821x_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
+	const u8 speed = drive->dma_mode;
+
 	/*
 	 * MWDMA tuning is really hard because our MWDMA and PIO
 	 * timings are kept in the same place.  We can switch in the
diff --git a/drivers/ide/jmicron.c b/drivers/ide/jmicron.c
index bf2be6431b20..74c2c4a6d909 100644
--- a/drivers/ide/jmicron.c
+++ b/drivers/ide/jmicron.c
@@ -80,19 +80,19 @@ static u8 jmicron_cable_detect(ide_hwif_t *hwif)
 	return ATA_CBL_PATA80;
 }
 
-static void jmicron_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void jmicron_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 }
 
 /**
  *	jmicron_set_dma_mode	-	set host controller for DMA mode
+ *	@hwif: port
  *	@drive: drive
- *	@mode: DMA mode
  *
  *	As the JMicron snoops for timings we don't need to do anything here.
  */
 
-static void jmicron_set_dma_mode(ide_drive_t *drive, const u8 mode)
+static void jmicron_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 }
 
diff --git a/drivers/ide/opti621.c b/drivers/ide/opti621.c
index f1d70d6630fe..1a53a4c375ed 100644
--- a/drivers/ide/opti621.c
+++ b/drivers/ide/opti621.c
@@ -8,77 +8,6 @@
  * Jan Harkes <jaharkes@cwi.nl>,
  * Mark Lord <mlord@pobox.com>
  * Some parts of code are from ali14xx.c and from rz1000.c.
- *
- * OPTi is trademark of OPTi, Octek is trademark of Octek.
- *
- * I used docs from OPTi databook, from ftp.opti.com, file 9123-0002.ps
- * and disassembled/traced setupvic.exe (DOS program).
- * It increases kernel code about 2 kB.
- * I don't have this card no more, but I hope I can get some in case
- * of needed development.
- * My card is Octek PIDE 1.01 (on card) or OPTiViC (program).
- * It has a place for a secondary connector in circuit, but nothing
- * is there. Also BIOS says no address for
- * secondary controller (see bellow in ide_init_opti621).
- * I've only tested this on my system, which only has one disk.
- * It's Western Digital WDAC2850, with PIO mode 3. The PCI bus
- * is at 20 MHz (I have DX2/80, I tried PCI at 40, but I got random
- * lockups). I tried the OCTEK double speed CD-ROM and
- * it does not work! But I can't boot DOS also, so it's probably
- * hardware fault. I have connected Conner 80MB, the Seagate 850MB (no
- * problems) and Seagate 1GB (as slave, WD as master). My experiences
- * with the third, 1GB drive: I got 3MB/s (hdparm), but sometimes
- * it slows to about 100kB/s! I don't know why and I have
- * not this drive now, so I can't try it again.
- * I write this driver because I lost the paper ("manual") with
- * settings of jumpers on the card and I have to boot Linux with
- * Loadlin except LILO, cause I have to run the setupvic.exe program
- * already or I get disk errors (my test: rpm -Vf
- * /usr/X11R6/bin/XF86_SVGA - or any big file).
- * Some numbers from hdparm -t /dev/hda:
- * Timing buffer-cache reads:   32 MB in  3.02 seconds =10.60 MB/sec
- * Timing buffered disk reads:  16 MB in  5.52 seconds = 2.90 MB/sec
- * I have 4 Megs/s before, but I don't know why (maybe changes
- * in hdparm test).
- * After release of 0.1, I got some successful reports, so it might work.
- *
- * The main problem with OPTi is that some timings for master
- * and slave must be the same. For example, if you have master
- * PIO 3 and slave PIO 0, driver have to set some timings of
- * master for PIO 0. Second problem is that opti621_set_pio_mode
- * got only one drive to set, but have to set both drives.
- * This is solved in compute_pios. If you don't set
- * the second drive, compute_pios use ide_get_best_pio_mode
- * for autoselect mode (you can change it to PIO 0, if you want).
- * If you then set the second drive to another PIO, the old value
- * (automatically selected) will be overrided by yours.
- * There is a 25/33MHz switch in configuration
- * register, but driver is written for use at any frequency.
- *
- * Version 0.1, Nov 8, 1996
- * by Jaromir Koutek, for 2.1.8.
- * Initial version of driver.
- *
- * Version 0.2
- * Number 0.2 skipped.
- *
- * Version 0.3, Nov 29, 1997
- * by Mark Lord (probably), for 2.1.68
- * Updates for use with new IDE block driver.
- *
- * Version 0.4, Dec 14, 1997
- * by Jan Harkes
- * Fixed some errors and cleaned the code.
- *
- * Version 0.5, Jan 2, 1998
- * by Jaromir Koutek
- * Updates for use with (again) new IDE block driver.
- * Update of documentation.
- *
- * Version 0.6, Jan 2, 1999
- * by Jaromir Koutek
- * Reversed to version 0.3 of the driver, because
- * 0.5 doesn't work.
  */
 
 #include <linux/types.h>
@@ -133,12 +62,12 @@ static u8 read_reg(int reg)
 	return ret;
 }
 
-static void opti621_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void opti621_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	ide_drive_t *pair = ide_get_pair_dev(drive);
 	unsigned long flags;
-	unsigned long mode = XFER_PIO_0 + pio, pair_mode;
+	unsigned long mode = drive->pio_mode, pair_mode;
+	const u8 pio = mode - XFER_PIO_0;
 	u8 tim, misc, addr_pio = pio, clk;
 
 	/* DRDY is default 2 (by OPTi Databook) */
diff --git a/drivers/ide/palm_bk3710.c b/drivers/ide/palm_bk3710.c
index f8eddf05ecb8..9e8f4e1b0cc9 100644
--- a/drivers/ide/palm_bk3710.c
+++ b/drivers/ide/palm_bk3710.c
@@ -166,7 +166,7 @@ static void palm_bk3710_setpiomode(void __iomem *base, ide_drive_t *mate,
 	writel(val32, base + BK3710_DATRCVR);
 
 	if (mate) {
-		u8 mode2 = ide_get_best_pio_mode(mate, 255, 4);
+		u8 mode2 = mate->pio_mode - XFER_PIO_0;
 
 		if (mode2 < mode)
 			mode = mode2;
@@ -188,10 +188,11 @@ static void palm_bk3710_setpiomode(void __iomem *base, ide_drive_t *mate,
 	writel(val32, base + BK3710_REGRCVR);
 }
 
-static void palm_bk3710_set_dma_mode(ide_drive_t *drive, u8 xferspeed)
+static void palm_bk3710_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	int is_slave = drive->dn & 1;
-	void __iomem *base = (void *)drive->hwif->dma_base;
+	void __iomem *base = (void *)hwif->dma_base;
+	const u8 xferspeed = drive->dma_mode;
 
 	if (xferspeed >= XFER_UDMA_0) {
 		palm_bk3710_setudmamode(base, is_slave,
@@ -203,12 +204,13 @@ static void palm_bk3710_set_dma_mode(ide_drive_t *drive, u8 xferspeed)
 	}
 }
 
-static void palm_bk3710_set_pio_mode(ide_drive_t *drive, u8 pio)
+static void palm_bk3710_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	unsigned int cycle_time;
 	int is_slave = drive->dn & 1;
 	ide_drive_t *mate;
-	void __iomem *base = (void *)drive->hwif->dma_base;
+	void __iomem *base = (void *)hwif->dma_base;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 
 	/*
 	 * Obtain the drive PIO data for tuning the Palm Chip registers
diff --git a/drivers/ide/pdc202xx_new.c b/drivers/ide/pdc202xx_new.c
index 65ba8239e7b5..9546fe2a93f7 100644
--- a/drivers/ide/pdc202xx_new.c
+++ b/drivers/ide/pdc202xx_new.c
@@ -129,11 +129,11 @@ static struct udma_timing {
 	{ 0x1a, 0x01, 0xcb },	/* UDMA mode 6 */
 };
 
-static void pdcnew_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void pdcnew_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	u8 adj			= (drive->dn & 1) ? 0x08 : 0x00;
+	const u8 speed		= drive->dma_mode;
 
 	/*
 	 * IDE core issues SETFEATURES_XFER to the drive first (thanks to
@@ -167,11 +167,11 @@ static void pdcnew_set_dma_mode(ide_drive_t *drive, const u8 speed)
  	}
 }
 
-static void pdcnew_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void pdcnew_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	struct pci_dev *dev = to_pci_dev(hwif->dev);
 	u8 adj = (drive->dn & 1) ? 0x08 : 0x00;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 
 	if (max_dma_rate(dev) == 4) {
 		set_indexed_reg(hwif, 0x0c + adj, pio_timings[pio].reg0c);
diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c
index 35161dd840a0..c5f3841af360 100644
--- a/drivers/ide/pdc202xx_old.c
+++ b/drivers/ide/pdc202xx_old.c
@@ -1,7 +1,7 @@
 /*
  *  Copyright (C) 1998-2002		Andre Hedrick <andre@linux-ide.org>
  *  Copyright (C) 2006-2007, 2009	MontaVista Software, Inc.
- *  Copyright (C) 2007			Bartlomiej Zolnierkiewicz
+ *  Copyright (C) 2007-2010		Bartlomiej Zolnierkiewicz
  *
  *  Portions Copyright (C) 1999 Promise Technology, Inc.
  *  Author: Frank Tiernan (frankt@promise.com)
@@ -21,23 +21,15 @@
 
 #define DRV_NAME "pdc202xx_old"
 
-static void pdc_old_disable_66MHz_clock(ide_hwif_t *);
-
-static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed)
+static void pdc202xx_set_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	u8 drive_pci		= 0x60 + (drive->dn << 2);
+	const u8 speed		= drive->dma_mode;
 
 	u8			AP = 0, BP = 0, CP = 0;
 	u8			TA = 0, TB = 0, TC = 0;
 
-	/*
-	 * TODO: do this once per channel
-	 */
-	if (dev->device != PCI_DEVICE_ID_PROMISE_20246)
-		pdc_old_disable_66MHz_clock(hwif);
-
 	pci_read_config_byte(dev, drive_pci,     &AP);
 	pci_read_config_byte(dev, drive_pci + 1, &BP);
 	pci_read_config_byte(dev, drive_pci + 2, &CP);
@@ -84,9 +76,10 @@ static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed)
 	}
 }
 
-static void pdc202xx_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void pdc202xx_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	pdc202xx_set_mode(drive, XFER_PIO_0 + pio);
+	drive->dma_mode = drive->pio_mode;
+	pdc202xx_set_mode(hwif, drive);
 }
 
 static int pdc202xx_test_irq(ide_hwif_t *hwif)
@@ -100,13 +93,13 @@ static int pdc202xx_test_irq(ide_hwif_t *hwif)
 		 * bit 7: error, bit 6: interrupting,
 		 * bit 5: FIFO full, bit 4: FIFO empty
 		 */
-		return ((sc1d & 0x50) == 0x40) ? 1 : 0;
+		return ((sc1d & 0x50) == 0x50) ? 1 : 0;
 	} else	{
 		/*
 		 * bit 3: error, bit 2: interrupting,
 		 * bit 1: FIFO full, bit 0: FIFO empty
 		 */
-		return ((sc1d & 0x05) == 0x04) ? 1 : 0;
+		return ((sc1d & 0x05) == 0x05) ? 1 : 0;
 	}
 }
 
@@ -145,6 +138,11 @@ static void pdc_old_disable_66MHz_clock(ide_hwif_t *hwif)
 	outb(clock & ~(hwif->channel ? 0x08 : 0x02), clock_reg);
 }
 
+static void pdc2026x_init_hwif(ide_hwif_t *hwif)
+{
+	pdc_old_disable_66MHz_clock(hwif);
+}
+
 static void pdc202xx_dma_start(ide_drive_t *drive)
 {
 	if (drive->current_speed > XFER_UDMA_2)
@@ -261,6 +259,7 @@ static const struct ide_dma_ops pdc2026x_dma_ops = {
 	{ \
 		.name		= DRV_NAME, \
 		.init_chipset	= init_chipset_pdc202xx, \
+		.init_hwif	= pdc2026x_init_hwif, \
 		.port_ops	= &pdc2026x_port_ops, \
 		.dma_ops	= &pdc2026x_dma_ops, \
 		.host_flags	= IDE_HFLAGS_PDC202XX, \
@@ -356,6 +355,6 @@ static void __exit pdc202xx_ide_exit(void)
 module_init(pdc202xx_ide_init);
 module_exit(pdc202xx_ide_exit);
 
-MODULE_AUTHOR("Andre Hedrick, Frank Tiernan");
+MODULE_AUTHOR("Andre Hedrick, Frank Tiernan, Bartlomiej Zolnierkiewicz");
 MODULE_DESCRIPTION("PCI driver module for older Promise IDE");
 MODULE_LICENSE("GPL");
diff --git a/drivers/ide/piix.c b/drivers/ide/piix.c
index bf14f39bd3a7..1bdca49e5a03 100644
--- a/drivers/ide/piix.c
+++ b/drivers/ide/piix.c
@@ -59,15 +59,14 @@ static int no_piix_dma;
 
 /**
  *	piix_set_pio_mode	-	set host controller for PIO mode
+ *	@port: port
  *	@drive: drive
- *	@pio: PIO mode number
  *
  *	Set the interface PIO mode based upon the settings done by AMI BIOS.
  */
 
-static void piix_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void piix_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	int is_slave		= drive->dn & 1;
 	int master_port		= hwif->channel ? 0x42 : 0x40;
@@ -77,6 +76,7 @@ static void piix_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	u8 slave_data;
 	static DEFINE_SPINLOCK(tune_lock);
 	int control = 0;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 
 				     /* ISP  RTC */
 	static const u8 timings[][2]= {
@@ -127,16 +127,15 @@ static void piix_set_pio_mode(ide_drive_t *drive, const u8 pio)
 
 /**
  *	piix_set_dma_mode	-	set host controller for DMA mode
+ *	@hwif: port
  *	@drive: drive
- *	@speed: DMA mode
  *
  *	Set a PIIX host controller to the desired DMA mode.  This involves
  *	programming the right timing data into the PCI configuration space.
  */
 
-static void piix_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void piix_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	u8 maslave		= hwif->channel ? 0x42 : 0x40;
 	int a_speed		= 3 << (drive->dn * 4);
@@ -147,6 +146,7 @@ static void piix_set_dma_mode(ide_drive_t *drive, const u8 speed)
 	int			sitre;
 	u16			reg4042, reg4a;
 	u8			reg48, reg54, reg55;
+	const u8 speed		= drive->dma_mode;
 
 	pci_read_config_word(dev, maslave, &reg4042);
 	sitre = (reg4042 & 0x4000) ? 1 : 0;
@@ -176,7 +176,6 @@ static void piix_set_dma_mode(ide_drive_t *drive, const u8 speed)
 			pci_write_config_byte(dev, 0x54, reg54 & ~v_flag);
 	} else {
 		const u8 mwdma_to_pio[] = { 0, 3, 4 };
-		u8 pio;
 
 		if (reg48 & u_flag)
 			pci_write_config_byte(dev, 0x48, reg48 & ~u_flag);
@@ -188,11 +187,12 @@ static void piix_set_dma_mode(ide_drive_t *drive, const u8 speed)
 			pci_write_config_byte(dev, 0x55, (u8) reg55 & ~w_flag);
 
 		if (speed >= XFER_MW_DMA_0)
-			pio = mwdma_to_pio[speed - XFER_MW_DMA_0];
+			drive->pio_mode =
+				mwdma_to_pio[speed - XFER_MW_DMA_0] + XFER_PIO_0;
 		else
-			pio = 2; /* only SWDMA2 is allowed */
+			drive->pio_mode = XFER_PIO_2; /* for SWDMA2 */
 
-		piix_set_pio_mode(drive, pio);
+		piix_set_pio_mode(hwif, drive);
 	}
 }
 
diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index 7a4e788cab2f..850ee452e9bb 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -496,12 +496,11 @@ static void pmac_write_devctl(ide_hwif_t *hwif, u8 ctl)
 /*
  * Old tuning functions (called on hdparm -p), sets up drive PIO timings
  */
-static void
-pmac_ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void pmac_ide_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	pmac_ide_hwif_t *pmif =
 		(pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent);
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 	struct ide_timing *tim = ide_timing_find_mode(XFER_PIO_0 + pio);
 	u32 *timings, t;
 	unsigned accessTicks, recTicks;
@@ -778,14 +777,14 @@ set_timings_mdma(ide_drive_t *drive, int intf_type, u32 *timings, u32 *timings2,
 #endif	
 }
 
-static void pmac_ide_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void pmac_ide_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	pmac_ide_hwif_t *pmif =
 		(pmac_ide_hwif_t *)dev_get_drvdata(hwif->gendev.parent);
 	int ret = 0;
 	u32 *timings, *timings2, tl[2];
 	u8 unit = drive->dn & 1;
+	const u8 speed = drive->dma_mode;
 
 	timings = &pmif->timings[unit];
 	timings2 = &pmif->timings[unit+2];
@@ -1651,8 +1650,8 @@ pmac_ide_dma_test_irq (ide_drive_t *drive)
 		if ((status & FLUSH) == 0)
 			break;
 		if (++timeout > 100) {
-			printk(KERN_WARNING "ide%d, ide_dma_test_irq \
-			timeout flushing channel\n", hwif->index);
+			printk(KERN_WARNING "ide%d, ide_dma_test_irq timeout flushing channel\n",
+			       hwif->index);
 			break;
 		}
 	}	
diff --git a/drivers/ide/qd65xx.c b/drivers/ide/qd65xx.c
index 74696edc8d1d..3f0244fd8e62 100644
--- a/drivers/ide/qd65xx.c
+++ b/drivers/ide/qd65xx.c
@@ -189,15 +189,13 @@ static void qd_set_timing (ide_drive_t *drive, u8 timing)
 	printk(KERN_DEBUG "%s: %#x\n", drive->name, timing);
 }
 
-static void qd6500_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void qd6500_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	u16 *id = drive->id;
 	int active_time   = 175;
 	int recovery_time = 415; /* worst case values from the dos driver */
 
-	/*
-	 * FIXME: use "pio" value
-	 */
+	/* FIXME: use drive->pio_mode value */
 	if (!qd_find_disk_type(drive, &active_time, &recovery_time) &&
 	    (id[ATA_ID_OLD_PIO_MODES] & 0xff) && (id[ATA_ID_FIELD_VALID] & 2) &&
 	    id[ATA_ID_EIDE_PIO] >= 240) {
@@ -211,9 +209,9 @@ static void qd6500_set_pio_mode(ide_drive_t *drive, const u8 pio)
 				active_time, recovery_time));
 }
 
-static void qd6580_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void qd6580_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 	struct ide_timing *t = ide_timing_find_mode(XFER_PIO_0 + pio);
 	unsigned int cycle_time;
 	int active_time   = 175;
diff --git a/drivers/ide/sc1200.c b/drivers/ide/sc1200.c
index d467478d68da..134f1fd13866 100644
--- a/drivers/ide/sc1200.c
+++ b/drivers/ide/sc1200.c
@@ -122,13 +122,13 @@ out:
 	return mask;
 }
 
-static void sc1200_set_dma_mode(ide_drive_t *drive, const u8 mode)
+static void sc1200_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t		*hwif = drive->hwif;
 	struct pci_dev		*dev = to_pci_dev(hwif->dev);
 	unsigned int		reg, timings;
 	unsigned short		pci_clock;
 	unsigned int		basereg = hwif->channel ? 0x50 : 0x40;
+	const u8		mode = drive->dma_mode;
 
 	static const u32 udma_timing[3][3] = {
 		{ 0x00921250, 0x00911140, 0x00911030 },
@@ -193,10 +193,10 @@ static int sc1200_dma_end(ide_drive_t *drive)
  * will have valid default PIO timings set up before we get here.
  */
 
-static void sc1200_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void sc1200_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t	*hwif = drive->hwif;
 	int		mode = -1;
+	const u8	pio = drive->pio_mode - XFER_PIO_0;
 
 	/*
 	 * bad abuse of ->set_pio_mode interface
diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c
index 1104bb301eb9..b7f5b0c4310c 100644
--- a/drivers/ide/scc_pata.c
+++ b/drivers/ide/scc_pata.c
@@ -199,16 +199,15 @@ scc_ide_outsl(unsigned long port, void *addr, u32 count)
 
 /**
  *	scc_set_pio_mode	-	set host controller for PIO mode
+ *	@hwif: port
  *	@drive: drive
- *	@pio: PIO mode number
  *
  *	Load the timing settings for this device mode into the
  *	controller.
  */
 
-static void scc_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void scc_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	struct scc_ports *ports = ide_get_hwifdata(hwif);
 	unsigned long ctl_base = ports->ctl;
 	unsigned long cckctrl_port = ctl_base + 0xff0;
@@ -216,6 +215,7 @@ static void scc_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	unsigned long pioct_port = ctl_base + 0x004;
 	unsigned long reg;
 	int offset;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 
 	reg = in_be32((void __iomem *)cckctrl_port);
 	if (reg & CCKCTRL_ATACLKOEN) {
@@ -231,16 +231,15 @@ static void scc_set_pio_mode(ide_drive_t *drive, const u8 pio)
 
 /**
  *	scc_set_dma_mode	-	set host controller for DMA mode
+ *	@hwif: port
  *	@drive: drive
- *	@speed: DMA mode
  *
  *	Load the timing settings for this device mode into the
  *	controller.
  */
 
-static void scc_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void scc_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	struct scc_ports *ports = ide_get_hwifdata(hwif);
 	unsigned long ctl_base = ports->ctl;
 	unsigned long cckctrl_port = ctl_base + 0xff0;
@@ -254,6 +253,7 @@ static void scc_set_dma_mode(ide_drive_t *drive, const u8 speed)
 	int offset, idx;
 	unsigned long reg;
 	unsigned long jcactsel;
+	const u8 speed = drive->dma_mode;
 
 	reg = in_be32((void __iomem *)cckctrl_port);
 	if (reg & CCKCTRL_ATACLKOEN) {
@@ -872,20 +872,18 @@ static struct pci_driver scc_pci_driver = {
 	.remove = __devexit_p(scc_remove),
 };
 
-static int scc_ide_init(void)
+static int __init scc_ide_init(void)
 {
 	return ide_pci_register_driver(&scc_pci_driver);
 }
 
-module_init(scc_ide_init);
-/* -- No exit code?
-static void scc_ide_exit(void)
+static void __exit scc_ide_exit(void)
 {
-	ide_pci_unregister_driver(&scc_pci_driver);
+	pci_unregister_driver(&scc_pci_driver);
 }
-module_exit(scc_ide_exit);
- */
 
+module_init(scc_ide_init);
+module_exit(scc_ide_exit);
 
 MODULE_DESCRIPTION("PCI driver module for Toshiba SCC IDE");
 MODULE_LICENSE("GPL");
diff --git a/drivers/ide/serverworks.c b/drivers/ide/serverworks.c
index b6554ef92716..35fb8dabb55d 100644
--- a/drivers/ide/serverworks.c
+++ b/drivers/ide/serverworks.c
@@ -2,7 +2,7 @@
  * Copyright (C) 1998-2000 Michel Aubry
  * Copyright (C) 1998-2000 Andrzej Krzysztofowicz
  * Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
- * Copyright (C)      2007 Bartlomiej Zolnierkiewicz
+ * Copyright (C) 2007-2010 Bartlomiej Zolnierkiewicz
  * Portions copyright (c) 2001 Sun Microsystems
  *
  *
@@ -52,8 +52,6 @@ static const char *svwks_bad_ata100[] = {
 	NULL
 };
 
-static struct pci_dev *isa_dev;
-
 static int check_in_drive_lists (ide_drive_t *drive, const char **list)
 {
 	char *m = (char *)&drive->id[ATA_ID_PROD];
@@ -67,26 +65,14 @@ static int check_in_drive_lists (ide_drive_t *drive, const char **list)
 static u8 svwks_udma_filter(ide_drive_t *drive)
 {
 	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
-	u8 mask = 0;
 
-	if (dev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE)
+	if (dev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE) {
 		return 0x1f;
-	if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) {
-		u32 reg = 0;
-		if (isa_dev)
-			pci_read_config_dword(isa_dev, 0x64, &reg);
-			
-		/*
-		 *	Don't enable UDMA on disk devices for the moment
-		 */
-		if(drive->media == ide_disk)
-			return 0;
-		/* Check the OSB4 DMA33 enable bit */
-		return ((reg & 0x00004000) == 0x00004000) ? 0x07 : 0;
 	} else if (dev->revision < SVWKS_CSB5_REVISION_NEW) {
 		return 0x07;
-	} else if (dev->revision >= SVWKS_CSB5_REVISION_NEW) {
-		u8 btr = 0, mode;
+	} else {
+		u8 btr = 0, mode, mask;
+
 		pci_read_config_byte(dev, 0x5A, &btr);
 		mode = btr & 0x3;
 
@@ -101,13 +87,9 @@ static u8 svwks_udma_filter(ide_drive_t *drive)
 		case 1:	 mask = 0x07; break;
 		default: mask = 0x00; break;
 		}
-	}
-	if (((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
-	     (dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) &&
-	    (!(PCI_FUNC(dev->devfn) & 1)))
-		mask = 0x1f;
 
-	return mask;
+		return mask;
+	}
 }
 
 static u8 svwks_csb_check (struct pci_dev *dev)
@@ -124,12 +106,13 @@ static u8 svwks_csb_check (struct pci_dev *dev)
 	return 0;
 }
 
-static void svwks_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void svwks_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	static const u8 pio_modes[] = { 0x5d, 0x47, 0x34, 0x22, 0x20 };
 	static const u8 drive_pci[] = { 0x41, 0x40, 0x43, 0x42 };
 
-	struct pci_dev *dev = to_pci_dev(drive->hwif->dev);
+	struct pci_dev *dev = to_pci_dev(hwif->dev);
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 
 	pci_write_config_byte(dev, drive_pci[drive->dn], pio_modes[pio]);
 
@@ -145,14 +128,14 @@ static void svwks_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	}
 }
 
-static void svwks_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void svwks_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	static const u8 udma_modes[]		= { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05 };
 	static const u8 dma_modes[]		= { 0x77, 0x21, 0x20 };
 	static const u8 drive_pci2[]		= { 0x45, 0x44, 0x47, 0x46 };
 
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
+	const u8 speed		= drive->dma_mode;
 	u8 unit			= drive->dn & 1;
 
 	u8 ultra_enable	 = 0, ultra_timing = 0, dma_timing = 0;
@@ -185,8 +168,9 @@ static int init_chipset_svwks(struct pci_dev *dev)
 
 	/* OSB4 : South Bridge and IDE */
 	if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) {
-		isa_dev = pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
-			  PCI_DEVICE_ID_SERVERWORKS_OSB4, NULL);
+		struct pci_dev *isa_dev =
+			pci_get_device(PCI_VENDOR_ID_SERVERWORKS,
+					PCI_DEVICE_ID_SERVERWORKS_OSB4, NULL);
 		if (isa_dev) {
 			pci_read_config_dword(isa_dev, 0x64, &reg);
 			reg &= ~0x00002000; /* disable 600ns interrupt mask */
@@ -195,6 +179,7 @@ static int init_chipset_svwks(struct pci_dev *dev)
 					"enabled.\n", pci_name(dev));
 			reg |=  0x00004000; /* enable UDMA/33 support */
 			pci_write_config_dword(isa_dev, 0x64, reg);
+			pci_dev_put(isa_dev);
 		}
 	}
 
@@ -343,7 +328,6 @@ static u8 svwks_cable_detect(ide_hwif_t *hwif)
 static const struct ide_port_ops osb4_port_ops = {
 	.set_pio_mode		= svwks_set_pio_mode,
 	.set_dma_mode		= svwks_set_dma_mode,
-	.udma_filter		= svwks_udma_filter,
 };
 
 static const struct ide_port_ops svwks_port_ops = {
@@ -460,6 +444,6 @@ static void __exit svwks_ide_exit(void)
 module_init(svwks_ide_init);
 module_exit(svwks_ide_exit);
 
-MODULE_AUTHOR("Michael Aubry. Andrzej Krzysztofowicz, Andre Hedrick");
+MODULE_AUTHOR("Michael Aubry. Andrzej Krzysztofowicz, Andre Hedrick, Bartlomiej Zolnierkiewicz");
 MODULE_DESCRIPTION("PCI driver module for Serverworks OSB4/CSB5/CSB6 IDE");
 MODULE_LICENSE("GPL");
diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c
index b7d61dc64096..e3ea591f66d3 100644
--- a/drivers/ide/sgiioc4.c
+++ b/drivers/ide/sgiioc4.c
@@ -255,7 +255,7 @@ static int sgiioc4_dma_end(ide_drive_t *drive)
 	return dma_stat;
 }
 
-static void sgiioc4_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void sgiioc4_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 }
 
diff --git a/drivers/ide/siimage.c b/drivers/ide/siimage.c
index d95df528562f..ddeda444a27a 100644
--- a/drivers/ide/siimage.c
+++ b/drivers/ide/siimage.c
@@ -229,19 +229,18 @@ static u8 sil_sata_udma_filter(ide_drive_t *drive)
 
 /**
  *	sil_set_pio_mode	-	set host controller for PIO mode
+ *	@hwif: port
  *	@drive: drive
- *	@pio: PIO mode number
  *
  *	Load the timing settings for this device mode into the
  *	controller.
  */
 
-static void sil_set_pio_mode(ide_drive_t *drive, u8 pio)
+static void sil_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	static const u16 tf_speed[]   = { 0x328a, 0x2283, 0x1281, 0x10c3, 0x10c1 };
 	static const u16 data_speed[] = { 0x328a, 0x2283, 0x1104, 0x10c3, 0x10c1 };
 
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	ide_drive_t *pair	= ide_get_pair_dev(drive);
 	u32 speedt		= 0;
@@ -249,6 +248,7 @@ static void sil_set_pio_mode(ide_drive_t *drive, u8 pio)
 	unsigned long addr	= siimage_seldev(drive, 0x04);
 	unsigned long tfaddr	= siimage_selreg(hwif,	0x02);
 	unsigned long base	= (unsigned long)hwif->hwif_data;
+	const u8 pio		= drive->pio_mode - XFER_PIO_0;
 	u8 tf_pio		= pio;
 	u8 mmio			= (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
 	u8 addr_mask		= hwif->channel ? (mmio ? 0xF4 : 0x84)
@@ -258,7 +258,7 @@ static void sil_set_pio_mode(ide_drive_t *drive, u8 pio)
 
 	/* trim *taskfile* PIO to the slowest of the master/slave */
 	if (pair) {
-		u8 pair_pio = ide_get_best_pio_mode(pair, 255, 4);
+		u8 pair_pio = pair->pio_mode - XFER_PIO_0;
 
 		if (pair_pio < tf_pio)
 			tf_pio = pair_pio;
@@ -289,19 +289,18 @@ static void sil_set_pio_mode(ide_drive_t *drive, u8 pio)
 
 /**
  *	sil_set_dma_mode	-	set host controller for DMA mode
+ *	@hwif: port
  *	@drive: drive
- *	@speed: DMA mode
  *
  *	Tune the SiI chipset for the desired DMA mode.
  */
 
-static void sil_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void sil_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	static const u8 ultra6[] = { 0x0F, 0x0B, 0x07, 0x05, 0x03, 0x02, 0x01 };
 	static const u8 ultra5[] = { 0x0C, 0x07, 0x05, 0x04, 0x02, 0x01 };
 	static const u16 dma[]	 = { 0x2208, 0x10C2, 0x10C1 };
 
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	unsigned long base	= (unsigned long)hwif->hwif_data;
 	u16 ultra = 0, multi	= 0;
@@ -311,6 +310,7 @@ static void sil_set_dma_mode(ide_drive_t *drive, const u8 speed)
 						: (mmio ? 0xB4 : 0x80);
 	unsigned long ma	= siimage_seldev(drive, 0x08);
 	unsigned long ua	= siimage_seldev(drive, 0x0C);
+	const u8 speed		= drive->dma_mode;
 
 	scsc  = sil_ioread8 (dev, base + (mmio ? 0x4A : 0x8A));
 	mode  = sil_ioread8 (dev, base + addr_mask);
diff --git a/drivers/ide/sis5513.c b/drivers/ide/sis5513.c
index 468706082fb5..db7f4e761dbc 100644
--- a/drivers/ide/sis5513.c
+++ b/drivers/ide/sis5513.c
@@ -290,10 +290,10 @@ static void config_drive_art_rwp(ide_drive_t *drive)
 		pci_write_config_byte(dev, 0x4b, rw_prefetch);
 }
 
-static void sis_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void sis_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	config_drive_art_rwp(drive);
-	sis_program_timings(drive, XFER_PIO_0 + pio);
+	sis_program_timings(drive, drive->pio_mode);
 }
 
 static void sis_ata133_program_udma_timings(ide_drive_t *drive, const u8 mode)
@@ -340,8 +340,10 @@ static void sis_program_udma_timings(ide_drive_t *drive, const u8 mode)
 		sis_ata33_program_udma_timings(drive, mode);
 }
 
-static void sis_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void sis_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
+	const u8 speed = drive->dma_mode;
+
 	if (speed >= XFER_UDMA_0)
 		sis_program_udma_timings(drive, speed);
 	else
diff --git a/drivers/ide/sl82c105.c b/drivers/ide/sl82c105.c
index 3c2bbf0057ea..f21dc2ad7682 100644
--- a/drivers/ide/sl82c105.c
+++ b/drivers/ide/sl82c105.c
@@ -63,12 +63,13 @@ static unsigned int get_pio_timings(ide_drive_t *drive, u8 pio)
 /*
  * Configure the chipset for PIO mode.
  */
-static void sl82c105_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void sl82c105_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	struct pci_dev *dev	= to_pci_dev(drive->hwif->dev);
+	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	unsigned long timings	= (unsigned long)ide_get_drivedata(drive);
 	int reg			= 0x44 + drive->dn * 4;
 	u16 drv_ctrl;
+	const u8 pio		= drive->pio_mode - XFER_PIO_0;
 
 	drv_ctrl = get_pio_timings(drive, pio);
 
@@ -91,11 +92,12 @@ static void sl82c105_set_pio_mode(ide_drive_t *drive, const u8 pio)
 /*
  * Configure the chipset for DMA mode.
  */
-static void sl82c105_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void sl82c105_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
 	static u16 mwdma_timings[] = {0x0707, 0x0201, 0x0200};
 	unsigned long timings = (unsigned long)ide_get_drivedata(drive);
 	u16 drv_ctrl;
+	const u8 speed = drive->dma_mode;
 
 	drv_ctrl = mwdma_timings[speed - XFER_MW_DMA_0];
 
diff --git a/drivers/ide/slc90e66.c b/drivers/ide/slc90e66.c
index 1ccfb40e7215..864ffe0e26d9 100644
--- a/drivers/ide/slc90e66.c
+++ b/drivers/ide/slc90e66.c
@@ -18,9 +18,8 @@
 
 static DEFINE_SPINLOCK(slc90e66_lock);
 
-static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void slc90e66_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	int is_slave		= drive->dn & 1;
 	int master_port		= hwif->channel ? 0x42 : 0x40;
@@ -29,6 +28,8 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	u16 master_data;
 	u8 slave_data;
 	int control = 0;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
+
 				     /* ISP  RTC */
 	static const u8 timings[][2] = {
 					{ 0, 0 },
@@ -71,14 +72,14 @@ static void slc90e66_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	spin_unlock_irqrestore(&slc90e66_lock, flags);
 }
 
-static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed)
+static void slc90e66_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev *dev	= to_pci_dev(hwif->dev);
 	u8 maslave		= hwif->channel ? 0x42 : 0x40;
 	int sitre = 0, a_speed	= 7 << (drive->dn * 4);
 	int u_speed = 0, u_flag = 1 << drive->dn;
 	u16			reg4042, reg44, reg48, reg4a;
+	const u8 speed		= drive->dma_mode;
 
 	pci_read_config_word(dev, maslave, &reg4042);
 	sitre = (reg4042 & 0x4000) ? 1 : 0;
@@ -98,7 +99,6 @@ static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed)
 		}
 	} else {
 		const u8 mwdma_to_pio[] = { 0, 3, 4 };
-		u8 pio;
 
 		if (reg48 & u_flag)
 			pci_write_config_word(dev, 0x48, reg48 & ~u_flag);
@@ -106,11 +106,12 @@ static void slc90e66_set_dma_mode(ide_drive_t *drive, const u8 speed)
 			pci_write_config_word(dev, 0x4a, reg4a & ~a_speed);
 
 		if (speed >= XFER_MW_DMA_0)
-			pio = mwdma_to_pio[speed - XFER_MW_DMA_0];
+			drive->pio_mode =
+				mwdma_to_pio[speed - XFER_MW_DMA_0] + XFER_PIO_0;
 		else
-			pio = 2; /* only SWDMA2 is allowed */
+			drive->pio_mode = XFER_PIO_2; /* for SWDMA2 */
 
-		slc90e66_set_pio_mode(drive, pio);
+		slc90e66_set_pio_mode(hwif, drive);
 	}
 }
 
diff --git a/drivers/ide/tc86c001.c b/drivers/ide/tc86c001.c
index 05a93d6baecc..e444d24934b3 100644
--- a/drivers/ide/tc86c001.c
+++ b/drivers/ide/tc86c001.c
@@ -13,11 +13,11 @@
 
 #define DRV_NAME "tc86c001"
 
-static void tc86c001_set_mode(ide_drive_t *drive, const u8 speed)
+static void tc86c001_set_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= drive->hwif;
 	unsigned long scr_port	= hwif->config_data + (drive->dn ? 0x02 : 0x00);
 	u16 mode, scr		= inw(scr_port);
+	const u8 speed		= drive->dma_mode;
 
 	switch (speed) {
 	case XFER_UDMA_4:	mode = 0x00c0; break;
@@ -41,9 +41,10 @@ static void tc86c001_set_mode(ide_drive_t *drive, const u8 speed)
 	outw(scr, scr_port);
 }
 
-static void tc86c001_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void tc86c001_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	tc86c001_set_mode(drive, XFER_PIO_0 + pio);
+	drive->dma_mode = drive->pio_mode;
+	tc86c001_set_mode(hwif, drive);
 }
 
 /*
diff --git a/drivers/ide/triflex.c b/drivers/ide/triflex.c
index 8773c3ba7462..7953447eae0f 100644
--- a/drivers/ide/triflex.c
+++ b/drivers/ide/triflex.c
@@ -34,9 +34,8 @@
 
 #define DRV_NAME "triflex"
 
-static void triflex_set_mode(ide_drive_t *drive, const u8 speed)
+static void triflex_set_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	struct pci_dev *dev = to_pci_dev(hwif->dev);
 	u32 triflex_timings = 0;
 	u16 timing = 0;
@@ -44,7 +43,7 @@ static void triflex_set_mode(ide_drive_t *drive, const u8 speed)
 
 	pci_read_config_dword(dev, channel_offset, &triflex_timings);
 
-	switch(speed) {
+	switch (drive->dma_mode) {
 		case XFER_MW_DMA_2:
 			timing = 0x0103; 
 			break;
@@ -82,9 +81,10 @@ static void triflex_set_mode(ide_drive_t *drive, const u8 speed)
 	pci_write_config_dword(dev, channel_offset, triflex_timings);
 }
 
-static void triflex_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void triflex_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	triflex_set_mode(drive, XFER_PIO_0 + pio);
+	drive->dma_mode = drive->pio_mode;
+	triflex_set_mode(hwif, drive);
 }
 
 static const struct ide_port_ops triflex_port_ops = {
diff --git a/drivers/ide/tx4938ide.c b/drivers/ide/tx4938ide.c
index fd59c0d235b5..1d80f1fdbc97 100644
--- a/drivers/ide/tx4938ide.c
+++ b/drivers/ide/tx4938ide.c
@@ -56,16 +56,15 @@ static void tx4938ide_tune_ebusc(unsigned int ebus_ch,
 		     &tx4938_ebuscptr->cr[ebus_ch]);
 }
 
-static void tx4938ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void tx4938ide_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	struct tx4938ide_platform_info *pdata = hwif->dev->platform_data;
-	u8 safe = pio;
+	u8 safe = drive->pio_mode - XFER_PIO_0;
 	ide_drive_t *pair;
 
 	pair = ide_get_pair_dev(drive);
 	if (pair)
-		safe = min(safe, ide_get_best_pio_mode(pair, 255, 5));
+		safe = min(safe, pair->pio_mode - XFER_PIO_0);
 	tx4938ide_tune_ebusc(pdata->ebus_ch, pdata->gbus_clock, safe);
 }
 
diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c
index 64b58ecc3f0e..3c7367751873 100644
--- a/drivers/ide/tx4939ide.c
+++ b/drivers/ide/tx4939ide.c
@@ -104,17 +104,17 @@ static void tx4939ide_writeb(u8 val, void __iomem *base, u32 reg)
 
 #define TX4939IDE_BASE(hwif)	((void __iomem *)(hwif)->extra_base)
 
-static void tx4939ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void tx4939ide_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	int is_slave = drive->dn;
 	u32 mask, val;
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 	u8 safe = pio;
 	ide_drive_t *pair;
 
 	pair = ide_get_pair_dev(drive);
 	if (pair)
-		safe = min(safe, ide_get_best_pio_mode(pair, 255, 4));
+		safe = min(safe, pair->pio_mode - XFER_PIO_0);
 	/*
 	 * Update Command Transfer Mode for master/slave and Data
 	 * Transfer Mode for this drive.
@@ -125,10 +125,10 @@ static void tx4939ide_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	/* tx4939ide_tf_load_fixup() will set the Sys_Ctl register */
 }
 
-static void tx4939ide_set_dma_mode(ide_drive_t *drive, const u8 mode)
+static void tx4939ide_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	u32 mask, val;
+	const u8 mode = drive->dma_mode;
 
 	/* Update Data Transfer Mode for this drive. */
 	if (mode >= XFER_UDMA_0)
diff --git a/drivers/ide/umc8672.c b/drivers/ide/umc8672.c
index 60f936e2319c..47adcd09cb26 100644
--- a/drivers/ide/umc8672.c
+++ b/drivers/ide/umc8672.c
@@ -104,10 +104,11 @@ static void umc_set_speeds(u8 speeds[])
 		speeds[0], speeds[1], speeds[2], speeds[3]);
 }
 
-static void umc_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void umc_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif, *mate = hwif->mate;
+	ide_hwif_t *mate = hwif->mate;
 	unsigned long uninitialized_var(flags);
+	const u8 pio = drive->pio_mode - XFER_PIO_0;
 
 	printk("%s: setting umc8672 to PIO mode%d (speed %d)\n",
 		drive->name, pio, pio_to_umc[pio]);
diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c
index 028de26a25fe..48fd4efc90ad 100644
--- a/drivers/ide/via82cxxx.c
+++ b/drivers/ide/via82cxxx.c
@@ -6,7 +6,7 @@
  *   vt8235, vt8237, vt8237a
  *
  * Copyright (c) 2000-2002 Vojtech Pavlik
- * Copyright (c) 2007 Bartlomiej Zolnierkiewicz
+ * Copyright (c) 2007-2010 Bartlomiej Zolnierkiewicz
  *
  * Based on the work of:
  *	Michel Aubry
@@ -54,6 +54,11 @@
 #define VIA_NO_UNMASK		0x08 /* Doesn't work with IRQ unmasking on */
 #define VIA_BAD_ID		0x10 /* Has wrong vendor ID (0x1107) */
 #define VIA_BAD_AST		0x20 /* Don't touch Address Setup Timing */
+#define VIA_SATA_PATA		0x80 /* SATA/PATA combined configuration */
+
+enum {
+	VIA_IDFLAG_SINGLE = (1 << 1), /* single channel controller */
+};
 
 /*
  * VIA SouthBridge chips.
@@ -67,11 +72,13 @@ static struct via_isa_bridge {
 	u8 udma_mask;
 	u8 flags;
 } via_isa_bridges[] = {
-	{ "vx855",	PCI_DEVICE_ID_VIA_VX855,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
-	{ "vx800",	PCI_DEVICE_ID_VIA_VX800,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
-	{ "cx700",	PCI_DEVICE_ID_VIA_CX700,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
+	{ "vx855",	PCI_DEVICE_ID_VIA_VX855,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST | VIA_SATA_PATA },
+	{ "vx800",	PCI_DEVICE_ID_VIA_VX800,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST | VIA_SATA_PATA },
+	{ "cx700",	PCI_DEVICE_ID_VIA_CX700,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST | VIA_SATA_PATA },
+	{ "vt8261",	PCI_DEVICE_ID_VIA_8261,     0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
 	{ "vt8237s",	PCI_DEVICE_ID_VIA_8237S,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
 	{ "vt6410",	PCI_DEVICE_ID_VIA_6410,     0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
+	{ "vt6415",	PCI_DEVICE_ID_VIA_6410,     0x00, 0xff, ATA_UDMA6, VIA_BAD_AST },
 	{ "vt8251",	PCI_DEVICE_ID_VIA_8251,     0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
 	{ "vt8237",	PCI_DEVICE_ID_VIA_8237,     0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
 	{ "vt8237a",	PCI_DEVICE_ID_VIA_8237A,    0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
@@ -92,6 +99,7 @@ static struct via_isa_bridge {
 	{ "vt82c586",	PCI_DEVICE_ID_VIA_82C586_0, 0x00, 0x0f,      0x00, VIA_SET_FIFO },
 	{ "vt82c576",	PCI_DEVICE_ID_VIA_82C576,   0x00, 0x2f,      0x00, VIA_SET_FIFO | VIA_NO_UNMASK },
 	{ "vt82c576",	PCI_DEVICE_ID_VIA_82C576,   0x00, 0x2f,      0x00, VIA_SET_FIFO | VIA_NO_UNMASK | VIA_BAD_ID },
+	{ "vtxxxx",	PCI_DEVICE_ID_VIA_ANON,     0x00, 0x2f, ATA_UDMA6, VIA_BAD_AST },
 	{ NULL }
 };
 
@@ -137,30 +145,45 @@ static void via_set_speed(ide_hwif_t *hwif, u8 dn, struct ide_timing *timing)
 	case ATA_UDMA4: t = timing->udma ? (0xe8 | (clamp_val(timing->udma, 2, 9) - 2)) : 0x0f; break;
 	case ATA_UDMA5: t = timing->udma ? (0xe0 | (clamp_val(timing->udma, 2, 9) - 2)) : 0x07; break;
 	case ATA_UDMA6: t = timing->udma ? (0xe0 | (clamp_val(timing->udma, 2, 9) - 2)) : 0x07; break;
-	default: return;
 	}
 
-	pci_write_config_byte(dev, VIA_UDMA_TIMING + (3 - dn), t);
+	/* Set UDMA unless device is not UDMA capable */
+	if (vdev->via_config->udma_mask) {
+		u8 udma_etc;
+
+		pci_read_config_byte(dev, VIA_UDMA_TIMING + 3 - dn, &udma_etc);
+
+		/* clear transfer mode bit */
+		udma_etc &= ~0x20;
+
+		if (timing->udma) {
+			/* preserve 80-wire cable detection bit */
+			udma_etc &= 0x10;
+			udma_etc |= t;
+		}
+
+		pci_write_config_byte(dev, VIA_UDMA_TIMING + 3 - dn, udma_etc);
+	}
 }
 
 /**
  *	via_set_drive		-	configure transfer mode
+ *	@hwif: port
  *	@drive: Drive to set up
- *	@speed: desired speed
  *
  *	via_set_drive() computes timing values configures the chipset to
  *	a desired transfer mode.  It also can be called by upper layers.
  */
 
-static void via_set_drive(ide_drive_t *drive, const u8 speed)
+static void via_set_drive(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	ide_hwif_t *hwif = drive->hwif;
 	ide_drive_t *peer = ide_get_pair_dev(drive);
 	struct pci_dev *dev = to_pci_dev(hwif->dev);
 	struct ide_host *host = pci_get_drvdata(dev);
 	struct via82cxxx_dev *vdev = host->host_priv;
 	struct ide_timing t, p;
 	unsigned int T, UT;
+	const u8 speed = drive->dma_mode;
 
 	T = 1000000000 / via_clock;
 
@@ -175,7 +198,7 @@ static void via_set_drive(ide_drive_t *drive, const u8 speed)
 	ide_timing_compute(drive, speed, &t, T, UT);
 
 	if (peer) {
-		ide_timing_compute(peer, peer->current_speed, &p, T, UT);
+		ide_timing_compute(peer, peer->pio_mode, &p, T, UT);
 		ide_timing_merge(&p, &t, &t, IDE_TIMING_8BIT);
 	}
 
@@ -184,22 +207,24 @@ static void via_set_drive(ide_drive_t *drive, const u8 speed)
 
 /**
  *	via_set_pio_mode	-	set host controller for PIO mode
+ *	@hwif: port
  *	@drive: drive
- *	@pio: PIO mode number
  *
  *	A callback from the upper layers for PIO-only tuning.
  */
 
-static void via_set_pio_mode(ide_drive_t *drive, const u8 pio)
+static void via_set_pio_mode(ide_hwif_t *hwif, ide_drive_t *drive)
 {
-	via_set_drive(drive, XFER_PIO_0 + pio);
+	drive->dma_mode = drive->pio_mode;
+	via_set_drive(hwif, drive);
 }
 
 static struct via_isa_bridge *via_config_find(struct pci_dev **isa)
 {
 	struct via_isa_bridge *via_config;
 
-	for (via_config = via_isa_bridges; via_config->id; via_config++)
+	for (via_config = via_isa_bridges;
+	     via_config->id != PCI_DEVICE_ID_VIA_ANON; via_config++)
 		if ((*isa = pci_get_device(PCI_VENDOR_ID_VIA +
 			!!(via_config->flags & VIA_BAD_ID),
 			via_config->id, NULL))) {
@@ -362,6 +387,9 @@ static u8 via82cxxx_cable_detect(ide_hwif_t *hwif)
 	if (via_cable_override(pdev))
 		return ATA_CBL_PATA40_SHORT;
 
+	if ((vdev->via_config->flags & VIA_SATA_PATA) && hwif->channel == 0)
+		return ATA_CBL_SATA;
+
 	if ((vdev->via_80w >> hwif->channel) & 1)
 		return ATA_CBL_PATA80;
 	else
@@ -402,11 +430,6 @@ static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_i
 	 * Find the ISA bridge and check we know what it is.
 	 */
 	via_config = via_config_find(&isa);
-	if (!via_config->id) {
-		printk(KERN_WARNING DRV_NAME " %s: unknown chipset, skipping\n",
-			pci_name(dev));
-		return -ENODEV;
-	}
 
 	/*
 	 * Print the boot message.
@@ -436,10 +459,13 @@ static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_i
 		via_clock = 33333;
 	}
 
-	if (idx == 0)
-		d.host_flags |= IDE_HFLAG_NO_AUTODMA;
-	else
+	if (idx == 1)
 		d.enablebits[1].reg = d.enablebits[0].reg = 0;
+	else
+		d.host_flags |= IDE_HFLAG_NO_AUTODMA;
+
+	if (idx == VIA_IDFLAG_SINGLE)
+		d.host_flags |= IDE_HFLAG_SINGLE;
 
 	if ((via_config->flags & VIA_NO_UNMASK) == 0)
 		d.host_flags |= IDE_HFLAG_UNMASK_IRQS;
@@ -475,8 +501,9 @@ static const struct pci_device_id via_pci_tbl[] = {
 	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C576_1),  0 },
 	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_82C586_1),  0 },
 	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_CX700_IDE), 0 },
-	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_VX855_IDE), 0 },
+	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_VX855_IDE), VIA_IDFLAG_SINGLE },
 	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_6410),      1 },
+	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_6415),      1 },
 	{ PCI_VDEVICE(VIA, PCI_DEVICE_ID_VIA_SATA_EIDE), 1 },
 	{ 0, },
 };
@@ -504,6 +531,6 @@ static void __exit via_ide_exit(void)
 module_init(via_ide_init);
 module_exit(via_ide_exit);
 
-MODULE_AUTHOR("Vojtech Pavlik, Michel Aubry, Jeff Garzik, Andre Hedrick");
+MODULE_AUTHOR("Vojtech Pavlik, Bartlomiej Zolnierkiewicz, Michel Aubry, Jeff Garzik, Andre Hedrick");
 MODULE_DESCRIPTION("PCI driver module for VIA IDE");
 MODULE_LICENSE("GPL");
diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c
index 5122b5a8aa2d..18350213479e 100644
--- a/drivers/ieee1394/nodemgr.c
+++ b/drivers/ieee1394/nodemgr.c
@@ -19,7 +19,6 @@
 #include <linux/moduleparam.h>
 #include <linux/mutex.h>
 #include <linux/freezer.h>
-#include <linux/semaphore.h>
 #include <asm/atomic.h>
 
 #include "csr.h"
@@ -1397,9 +1396,9 @@ static int update_pdrv(struct device *dev, void *data)
 			pdrv = container_of(drv, struct hpsb_protocol_driver,
 					    driver);
 			if (pdrv->update) {
-				down(&ud->device.sem);
+				device_lock(&ud->device);
 				error = pdrv->update(ud);
-				up(&ud->device.sem);
+				device_unlock(&ud->device);
 			}
 			if (error)
 				device_release_driver(&ud->device);
diff --git a/drivers/ieee1394/pcilynx.c b/drivers/ieee1394/pcilynx.c
index 9555fd253865..bf47fee79808 100644
--- a/drivers/ieee1394/pcilynx.c
+++ b/drivers/ieee1394/pcilynx.c
@@ -1452,7 +1452,7 @@ static int __devinit add_card(struct pci_dev *dev,
                                 PRINT(KERN_ERR, lynx->id, "unable to read bus info block from i2c");
                         } else {
                                 PRINT(KERN_INFO, lynx->id, "got bus info block from serial eeprom");
-				/* FIXME: probably we shoud rewrite the max_rec, max_ROM(1394a),
+				/* FIXME: probably we should rewrite the max_rec, max_ROM(1394a),
 				 * generation(1394a) and link_spd(1394a) field and recalculate
 				 * the CRC */
 
diff --git a/drivers/infiniband/Kconfig b/drivers/infiniband/Kconfig
index dd0db67bf8d7..975adce5f40c 100644
--- a/drivers/infiniband/Kconfig
+++ b/drivers/infiniband/Kconfig
@@ -20,6 +20,7 @@ config INFINIBAND_USER_MAD
 
 config INFINIBAND_USER_ACCESS
 	tristate "InfiniBand userspace access (verbs and CM)"
+	select ANON_INODES
 	---help---
 	  Userspace InfiniBand access support.  This enables the
 	  kernel side of userspace verbs and the userspace
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c
index 5130fc55b8e2..764787ebe8d8 100644
--- a/drivers/infiniband/core/cm.c
+++ b/drivers/infiniband/core/cm.c
@@ -3597,7 +3597,7 @@ static ssize_t cm_show_counter(struct kobject *obj, struct attribute *attr,
 		       atomic_long_read(&group->counter[cm_attr->index]));
 }
 
-static struct sysfs_ops cm_counter_ops = {
+static const struct sysfs_ops cm_counter_ops = {
 	.show = cm_show_counter
 };
 
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 7522008fda86..e351b1548535 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -1193,10 +1193,7 @@ static int method_in_use(struct ib_mad_mgmt_method_table **method,
 {
 	int i;
 
-	for (i = find_first_bit(mad_reg_req->method_mask, IB_MGMT_MAX_METHODS);
-	     i < IB_MGMT_MAX_METHODS;
-	     i = find_next_bit(mad_reg_req->method_mask, IB_MGMT_MAX_METHODS,
-			       1+i)) {
+	for_each_set_bit(i, mad_reg_req->method_mask, IB_MGMT_MAX_METHODS) {
 		if ((*method)->agent[i]) {
 			printk(KERN_ERR PFX "Method %d already in use\n", i);
 			return -EINVAL;
@@ -1330,13 +1327,9 @@ static int add_nonoui_reg_req(struct ib_mad_reg_req *mad_reg_req,
 		goto error3;
 
 	/* Finally, add in methods being registered */
-	for (i = find_first_bit(mad_reg_req->method_mask,
-				IB_MGMT_MAX_METHODS);
-	     i < IB_MGMT_MAX_METHODS;
-	     i = find_next_bit(mad_reg_req->method_mask, IB_MGMT_MAX_METHODS,
-			       1+i)) {
+	for_each_set_bit(i, mad_reg_req->method_mask, IB_MGMT_MAX_METHODS)
 		(*method)->agent[i] = agent_priv;
-	}
+
 	return 0;
 
 error3:
@@ -1429,13 +1422,9 @@ check_in_use:
 		goto error4;
 
 	/* Finally, add in methods being registered */
-	for (i = find_first_bit(mad_reg_req->method_mask,
-				IB_MGMT_MAX_METHODS);
-	     i < IB_MGMT_MAX_METHODS;
-	     i = find_next_bit(mad_reg_req->method_mask, IB_MGMT_MAX_METHODS,
-			       1+i)) {
+	for_each_set_bit(i, mad_reg_req->method_mask, IB_MGMT_MAX_METHODS)
 		(*method)->agent[i] = agent_priv;
-	}
+
 	return 0;
 
 error4:
@@ -2964,6 +2953,9 @@ static void ib_mad_remove_device(struct ib_device *device)
 {
 	int i, num_ports, cur_port;
 
+	if (rdma_node_get_transport(device->node_type) != RDMA_TRANSPORT_IB)
+		return;
+
 	if (device->node_type == RDMA_NODE_IB_SWITCH) {
 		num_ports = 1;
 		cur_port = 0;
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index 158a214da2f7..f901957abc8b 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -79,7 +79,7 @@ static ssize_t port_attr_show(struct kobject *kobj,
 	return port_attr->show(p, port_attr, buf);
 }
 
-static struct sysfs_ops port_sysfs_ops = {
+static const struct sysfs_ops port_sysfs_ops = {
 	.show = port_attr_show
 };
 
@@ -461,6 +461,7 @@ alloc_group_attrs(ssize_t (*show)(struct ib_port *,
 		element->attr.attr.mode  = S_IRUGO;
 		element->attr.show       = show;
 		element->index		 = i;
+		sysfs_attr_init(&element->attr.attr);
 
 		tab_attr[i] = &element->attr.attr;
 	}
diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index f504c9b00c1b..017d6e24448f 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -1215,15 +1215,18 @@ static void ib_ucm_release_dev(struct device *dev)
 
 	ucm_dev = container_of(dev, struct ib_ucm_device, dev);
 	cdev_del(&ucm_dev->cdev);
-	clear_bit(ucm_dev->devnum, dev_map);
+	if (ucm_dev->devnum < IB_UCM_MAX_DEVICES)
+		clear_bit(ucm_dev->devnum, dev_map);
+	else
+		clear_bit(ucm_dev->devnum - IB_UCM_MAX_DEVICES, dev_map);
 	kfree(ucm_dev);
 }
 
 static const struct file_operations ucm_fops = {
-	.owner 	 = THIS_MODULE,
-	.open 	 = ib_ucm_open,
+	.owner	 = THIS_MODULE,
+	.open	 = ib_ucm_open,
 	.release = ib_ucm_close,
-	.write 	 = ib_ucm_write,
+	.write	 = ib_ucm_write,
 	.poll    = ib_ucm_poll,
 };
 
@@ -1237,8 +1240,32 @@ static ssize_t show_ibdev(struct device *dev, struct device_attribute *attr,
 }
 static DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL);
 
+static dev_t overflow_maj;
+static DECLARE_BITMAP(overflow_map, IB_UCM_MAX_DEVICES);
+static int find_overflow_devnum(void)
+{
+	int ret;
+
+	if (!overflow_maj) {
+		ret = alloc_chrdev_region(&overflow_maj, 0, IB_UCM_MAX_DEVICES,
+					  "infiniband_cm");
+		if (ret) {
+			printk(KERN_ERR "ucm: couldn't register dynamic device number\n");
+			return ret;
+		}
+	}
+
+	ret = find_first_zero_bit(overflow_map, IB_UCM_MAX_DEVICES);
+	if (ret >= IB_UCM_MAX_DEVICES)
+		return -1;
+
+	return ret;
+}
+
 static void ib_ucm_add_one(struct ib_device *device)
 {
+	int devnum;
+	dev_t base;
 	struct ib_ucm_device *ucm_dev;
 
 	if (!device->alloc_ucontext ||
@@ -1251,16 +1278,25 @@ static void ib_ucm_add_one(struct ib_device *device)
 
 	ucm_dev->ib_dev = device;
 
-	ucm_dev->devnum = find_first_zero_bit(dev_map, IB_UCM_MAX_DEVICES);
-	if (ucm_dev->devnum >= IB_UCM_MAX_DEVICES)
-		goto err;
-
-	set_bit(ucm_dev->devnum, dev_map);
+	devnum = find_first_zero_bit(dev_map, IB_UCM_MAX_DEVICES);
+	if (devnum >= IB_UCM_MAX_DEVICES) {
+		devnum = find_overflow_devnum();
+		if (devnum < 0)
+			goto err;
+
+		ucm_dev->devnum = devnum + IB_UCM_MAX_DEVICES;
+		base = devnum + overflow_maj;
+		set_bit(devnum, overflow_map);
+	} else {
+		ucm_dev->devnum = devnum;
+		base = devnum + IB_UCM_BASE_DEV;
+		set_bit(devnum, dev_map);
+	}
 
 	cdev_init(&ucm_dev->cdev, &ucm_fops);
 	ucm_dev->cdev.owner = THIS_MODULE;
 	kobject_set_name(&ucm_dev->cdev.kobj, "ucm%d", ucm_dev->devnum);
-	if (cdev_add(&ucm_dev->cdev, IB_UCM_BASE_DEV + ucm_dev->devnum, 1))
+	if (cdev_add(&ucm_dev->cdev, base, 1))
 		goto err;
 
 	ucm_dev->dev.class = &cm_class;
@@ -1281,7 +1317,10 @@ err_dev:
 	device_unregister(&ucm_dev->dev);
 err_cdev:
 	cdev_del(&ucm_dev->cdev);
-	clear_bit(ucm_dev->devnum, dev_map);
+	if (ucm_dev->devnum < IB_UCM_MAX_DEVICES)
+		clear_bit(devnum, dev_map);
+	else
+		clear_bit(devnum, overflow_map);
 err:
 	kfree(ucm_dev);
 	return;
@@ -1297,11 +1336,8 @@ static void ib_ucm_remove_one(struct ib_device *device)
 	device_unregister(&ucm_dev->dev);
 }
 
-static ssize_t show_abi_version(struct class *class, char *buf)
-{
-	return sprintf(buf, "%d\n", IB_USER_CM_ABI_VERSION);
-}
-static CLASS_ATTR(abi_version, S_IRUGO, show_abi_version, NULL);
+static CLASS_ATTR_STRING(abi_version, S_IRUGO,
+			 __stringify(IB_USER_CM_ABI_VERSION));
 
 static int __init ib_ucm_init(void)
 {
@@ -1314,7 +1350,7 @@ static int __init ib_ucm_init(void)
 		goto error1;
 	}
 
-	ret = class_create_file(&cm_class, &class_attr_abi_version);
+	ret = class_create_file(&cm_class, &class_attr_abi_version.attr);
 	if (ret) {
 		printk(KERN_ERR "ucm: couldn't create abi_version attribute\n");
 		goto error2;
@@ -1328,7 +1364,7 @@ static int __init ib_ucm_init(void)
 	return 0;
 
 error3:
-	class_remove_file(&cm_class, &class_attr_abi_version);
+	class_remove_file(&cm_class, &class_attr_abi_version.attr);
 error2:
 	unregister_chrdev_region(IB_UCM_BASE_DEV, IB_UCM_MAX_DEVICES);
 error1:
@@ -1338,8 +1374,10 @@ error1:
 static void __exit ib_ucm_cleanup(void)
 {
 	ib_unregister_client(&ucm_client);
-	class_remove_file(&cm_class, &class_attr_abi_version);
+	class_remove_file(&cm_class, &class_attr_abi_version.attr);
 	unregister_chrdev_region(IB_UCM_BASE_DEV, IB_UCM_MAX_DEVICES);
+	if (overflow_maj)
+		unregister_chrdev_region(overflow_maj, IB_UCM_MAX_DEVICES);
 	idr_destroy(&ctx_id_table);
 }
 
diff --git a/drivers/infiniband/core/ud_header.c b/drivers/infiniband/core/ud_header.c
index 8ec7876bedcf..650b501eb142 100644
--- a/drivers/infiniband/core/ud_header.c
+++ b/drivers/infiniband/core/ud_header.c
@@ -181,6 +181,7 @@ static const struct ib_field deth_table[] = {
  * ib_ud_header_init - Initialize UD header structure
  * @payload_bytes:Length of packet payload
  * @grh_present:GRH flag (if non-zero, GRH will be included)
+ * @immediate_present: specify if immediate data should be used
  * @header:Structure to initialize
  *
  * ib_ud_header_init() initializes the lrh.link_version, lrh.link_next_header,
@@ -191,21 +192,13 @@ static const struct ib_field deth_table[] = {
  */
 void ib_ud_header_init(int     		    payload_bytes,
 		       int    		    grh_present,
+		       int		    immediate_present,
 		       struct ib_ud_header *header)
 {
-	int header_len;
 	u16 packet_length;
 
 	memset(header, 0, sizeof *header);
 
-	header_len =
-		IB_LRH_BYTES  +
-		IB_BTH_BYTES  +
-		IB_DETH_BYTES;
-	if (grh_present) {
-		header_len += IB_GRH_BYTES;
-	}
-
 	header->lrh.link_version     = 0;
 	header->lrh.link_next_header =
 		grh_present ? IB_LNH_IBA_GLOBAL : IB_LNH_IBA_LOCAL;
@@ -231,7 +224,8 @@ void ib_ud_header_init(int     		    payload_bytes,
 
 	header->lrh.packet_length = cpu_to_be16(packet_length);
 
-	if (header->immediate_present)
+	header->immediate_present	     = immediate_present;
+	if (immediate_present)
 		header->bth.opcode           = IB_OPCODE_UD_SEND_ONLY_WITH_IMMEDIATE;
 	else
 		header->bth.opcode           = IB_OPCODE_UD_SEND_ONLY;
diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c
index 6f7c096abf13..4f906f0614f0 100644
--- a/drivers/infiniband/core/umem.c
+++ b/drivers/infiniband/core/umem.c
@@ -136,7 +136,7 @@ struct ib_umem *ib_umem_get(struct ib_ucontext *context, unsigned long addr,
 	down_write(&current->mm->mmap_sem);
 
 	locked     = npages + current->mm->locked_vm;
-	lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur >> PAGE_SHIFT;
+	lock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT;
 
 	if ((locked > lock_limit) && !capable(CAP_IPC_LOCK)) {
 		ret = -ENOMEM;
diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c
index 7de02969ed7d..04b585e86cb2 100644
--- a/drivers/infiniband/core/user_mad.c
+++ b/drivers/infiniband/core/user_mad.c
@@ -65,12 +65,9 @@ enum {
 };
 
 /*
- * Our lifetime rules for these structs are the following: each time a
- * device special file is opened, we look up the corresponding struct
- * ib_umad_port by minor in the umad_port[] table while holding the
- * port_lock.  If this lookup succeeds, we take a reference on the
- * ib_umad_port's struct ib_umad_device while still holding the
- * port_lock; if the lookup fails, we fail the open().  We drop these
+ * Our lifetime rules for these structs are the following:
+ * device special file is opened, we take a reference on the
+ * ib_umad_port's struct ib_umad_device. We drop these
  * references in the corresponding close().
  *
  * In addition to references coming from open character devices, there
@@ -78,19 +75,14 @@ enum {
  * module's reference taken when allocating the ib_umad_device in
  * ib_umad_add_one().
  *
- * When destroying an ib_umad_device, we clear all of its
- * ib_umad_ports from umad_port[] while holding port_lock before
- * dropping the module's reference to the ib_umad_device.  This is
- * always safe because any open() calls will either succeed and obtain
- * a reference before we clear the umad_port[] entries, or fail after
- * we clear the umad_port[] entries.
+ * When destroying an ib_umad_device, we drop the module's reference.
  */
 
 struct ib_umad_port {
-	struct cdev           *cdev;
+	struct cdev           cdev;
 	struct device	      *dev;
 
-	struct cdev           *sm_cdev;
+	struct cdev           sm_cdev;
 	struct device	      *sm_dev;
 	struct semaphore       sm_sem;
 
@@ -136,7 +128,6 @@ static struct class *umad_class;
 static const dev_t base_dev = MKDEV(IB_UMAD_MAJOR, IB_UMAD_MINOR_BASE);
 
 static DEFINE_SPINLOCK(port_lock);
-static struct ib_umad_port *umad_port[IB_UMAD_MAX_PORTS];
 static DECLARE_BITMAP(dev_map, IB_UMAD_MAX_PORTS);
 
 static void ib_umad_add_one(struct ib_device *device);
@@ -496,8 +487,8 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
 		ah_attr.ah_flags = IB_AH_GRH;
 		memcpy(ah_attr.grh.dgid.raw, packet->mad.hdr.gid, 16);
 		ah_attr.grh.sgid_index	   = packet->mad.hdr.gid_index;
-		ah_attr.grh.flow_label 	   = be32_to_cpu(packet->mad.hdr.flow_label);
-		ah_attr.grh.hop_limit  	   = packet->mad.hdr.hop_limit;
+		ah_attr.grh.flow_label	   = be32_to_cpu(packet->mad.hdr.flow_label);
+		ah_attr.grh.hop_limit	   = packet->mad.hdr.hop_limit;
 		ah_attr.grh.traffic_class  = packet->mad.hdr.traffic_class;
 	}
 
@@ -528,9 +519,9 @@ static ssize_t ib_umad_write(struct file *filp, const char __user *buf,
 		goto err_ah;
 	}
 
-	packet->msg->ah 	= ah;
+	packet->msg->ah		= ah;
 	packet->msg->timeout_ms = packet->mad.hdr.timeout_ms;
-	packet->msg->retries 	= packet->mad.hdr.retries;
+	packet->msg->retries	= packet->mad.hdr.retries;
 	packet->msg->context[0] = packet;
 
 	/* Copy MAD header.  Any RMPP header is already in place. */
@@ -779,15 +770,11 @@ static long ib_umad_compat_ioctl(struct file *filp, unsigned int cmd,
 /*
  * ib_umad_open() does not need the BKL:
  *
- *  - umad_port[] accesses are protected by port_lock, the
- *    ib_umad_port structures are properly reference counted, and
+ *  - the ib_umad_port structures are properly reference counted, and
  *    everything else is purely local to the file being created, so
  *    races against other open calls are not a problem;
  *  - the ioctl method does not affect any global state outside of the
  *    file structure being operated on;
- *  - the port is added to umad_port[] as the last part of module
- *    initialization so the open method will either immediately run
- *    -ENXIO, or all required initialization will be done.
  */
 static int ib_umad_open(struct inode *inode, struct file *filp)
 {
@@ -795,13 +782,10 @@ static int ib_umad_open(struct inode *inode, struct file *filp)
 	struct ib_umad_file *file;
 	int ret = 0;
 
-	spin_lock(&port_lock);
-	port = umad_port[iminor(inode) - IB_UMAD_MINOR_BASE];
+	port = container_of(inode->i_cdev, struct ib_umad_port, cdev);
 	if (port)
 		kref_get(&port->umad_dev->ref);
-	spin_unlock(&port_lock);
-
-	if (!port)
+	else
 		return -ENXIO;
 
 	mutex_lock(&port->file_mutex);
@@ -872,16 +856,16 @@ static int ib_umad_close(struct inode *inode, struct file *filp)
 }
 
 static const struct file_operations umad_fops = {
-	.owner 	 	= THIS_MODULE,
-	.read 	 	= ib_umad_read,
-	.write 	 	= ib_umad_write,
-	.poll 	 	= ib_umad_poll,
+	.owner		= THIS_MODULE,
+	.read		= ib_umad_read,
+	.write		= ib_umad_write,
+	.poll		= ib_umad_poll,
 	.unlocked_ioctl = ib_umad_ioctl,
 #ifdef CONFIG_COMPAT
-	.compat_ioctl 	= ib_umad_compat_ioctl,
+	.compat_ioctl	= ib_umad_compat_ioctl,
 #endif
-	.open 	 	= ib_umad_open,
-	.release 	= ib_umad_close
+	.open		= ib_umad_open,
+	.release	= ib_umad_close
 };
 
 static int ib_umad_sm_open(struct inode *inode, struct file *filp)
@@ -892,13 +876,10 @@ static int ib_umad_sm_open(struct inode *inode, struct file *filp)
 	};
 	int ret;
 
-	spin_lock(&port_lock);
-	port = umad_port[iminor(inode) - IB_UMAD_MINOR_BASE - IB_UMAD_MAX_PORTS];
+	port = container_of(inode->i_cdev, struct ib_umad_port, sm_cdev);
 	if (port)
 		kref_get(&port->umad_dev->ref);
-	spin_unlock(&port_lock);
-
-	if (!port)
+	else
 		return -ENXIO;
 
 	if (filp->f_flags & O_NONBLOCK) {
@@ -949,8 +930,8 @@ static int ib_umad_sm_close(struct inode *inode, struct file *filp)
 }
 
 static const struct file_operations umad_sm_fops = {
-	.owner 	 = THIS_MODULE,
-	.open 	 = ib_umad_sm_open,
+	.owner	 = THIS_MODULE,
+	.open	 = ib_umad_sm_open,
 	.release = ib_umad_sm_close
 };
 
@@ -984,22 +965,54 @@ static ssize_t show_port(struct device *dev, struct device_attribute *attr,
 }
 static DEVICE_ATTR(port, S_IRUGO, show_port, NULL);
 
-static ssize_t show_abi_version(struct class *class, char *buf)
+static CLASS_ATTR_STRING(abi_version, S_IRUGO,
+			 __stringify(IB_USER_MAD_ABI_VERSION));
+
+static dev_t overflow_maj;
+static DECLARE_BITMAP(overflow_map, IB_UMAD_MAX_PORTS);
+static int find_overflow_devnum(void)
 {
-	return sprintf(buf, "%d\n", IB_USER_MAD_ABI_VERSION);
+	int ret;
+
+	if (!overflow_maj) {
+		ret = alloc_chrdev_region(&overflow_maj, 0, IB_UMAD_MAX_PORTS * 2,
+					  "infiniband_mad");
+		if (ret) {
+			printk(KERN_ERR "user_mad: couldn't register dynamic device number\n");
+			return ret;
+		}
+	}
+
+	ret = find_first_zero_bit(overflow_map, IB_UMAD_MAX_PORTS);
+	if (ret >= IB_UMAD_MAX_PORTS)
+		return -1;
+
+	return ret;
 }
-static CLASS_ATTR(abi_version, S_IRUGO, show_abi_version, NULL);
 
 static int ib_umad_init_port(struct ib_device *device, int port_num,
 			     struct ib_umad_port *port)
 {
+	int devnum;
+	dev_t base;
+
 	spin_lock(&port_lock);
-	port->dev_num = find_first_zero_bit(dev_map, IB_UMAD_MAX_PORTS);
-	if (port->dev_num >= IB_UMAD_MAX_PORTS) {
+	devnum = find_first_zero_bit(dev_map, IB_UMAD_MAX_PORTS);
+	if (devnum >= IB_UMAD_MAX_PORTS) {
 		spin_unlock(&port_lock);
-		return -1;
+		devnum = find_overflow_devnum();
+		if (devnum < 0)
+			return -1;
+
+		spin_lock(&port_lock);
+		port->dev_num = devnum + IB_UMAD_MAX_PORTS;
+		base = devnum + overflow_maj;
+		set_bit(devnum, overflow_map);
+	} else {
+		port->dev_num = devnum;
+		base = devnum + base_dev;
+		set_bit(devnum, dev_map);
 	}
-	set_bit(port->dev_num, dev_map);
 	spin_unlock(&port_lock);
 
 	port->ib_dev   = device;
@@ -1008,17 +1021,14 @@ static int ib_umad_init_port(struct ib_device *device, int port_num,
 	mutex_init(&port->file_mutex);
 	INIT_LIST_HEAD(&port->file_list);
 
-	port->cdev = cdev_alloc();
-	if (!port->cdev)
-		return -1;
-	port->cdev->owner = THIS_MODULE;
-	port->cdev->ops   = &umad_fops;
-	kobject_set_name(&port->cdev->kobj, "umad%d", port->dev_num);
-	if (cdev_add(port->cdev, base_dev + port->dev_num, 1))
+	cdev_init(&port->cdev, &umad_fops);
+	port->cdev.owner = THIS_MODULE;
+	kobject_set_name(&port->cdev.kobj, "umad%d", port->dev_num);
+	if (cdev_add(&port->cdev, base, 1))
 		goto err_cdev;
 
 	port->dev = device_create(umad_class, device->dma_device,
-				  port->cdev->dev, port,
+				  port->cdev.dev, port,
 				  "umad%d", port->dev_num);
 	if (IS_ERR(port->dev))
 		goto err_cdev;
@@ -1028,17 +1038,15 @@ static int ib_umad_init_port(struct ib_device *device, int port_num,
 	if (device_create_file(port->dev, &dev_attr_port))
 		goto err_dev;
 
-	port->sm_cdev = cdev_alloc();
-	if (!port->sm_cdev)
-		goto err_dev;
-	port->sm_cdev->owner = THIS_MODULE;
-	port->sm_cdev->ops   = &umad_sm_fops;
-	kobject_set_name(&port->sm_cdev->kobj, "issm%d", port->dev_num);
-	if (cdev_add(port->sm_cdev, base_dev + port->dev_num + IB_UMAD_MAX_PORTS, 1))
+	base += IB_UMAD_MAX_PORTS;
+	cdev_init(&port->sm_cdev, &umad_sm_fops);
+	port->sm_cdev.owner = THIS_MODULE;
+	kobject_set_name(&port->sm_cdev.kobj, "issm%d", port->dev_num);
+	if (cdev_add(&port->sm_cdev, base, 1))
 		goto err_sm_cdev;
 
 	port->sm_dev = device_create(umad_class, device->dma_device,
-				     port->sm_cdev->dev, port,
+				     port->sm_cdev.dev, port,
 				     "issm%d", port->dev_num);
 	if (IS_ERR(port->sm_dev))
 		goto err_sm_cdev;
@@ -1048,24 +1056,23 @@ static int ib_umad_init_port(struct ib_device *device, int port_num,
 	if (device_create_file(port->sm_dev, &dev_attr_port))
 		goto err_sm_dev;
 
-	spin_lock(&port_lock);
-	umad_port[port->dev_num] = port;
-	spin_unlock(&port_lock);
-
 	return 0;
 
 err_sm_dev:
-	device_destroy(umad_class, port->sm_cdev->dev);
+	device_destroy(umad_class, port->sm_cdev.dev);
 
 err_sm_cdev:
-	cdev_del(port->sm_cdev);
+	cdev_del(&port->sm_cdev);
 
 err_dev:
-	device_destroy(umad_class, port->cdev->dev);
+	device_destroy(umad_class, port->cdev.dev);
 
 err_cdev:
-	cdev_del(port->cdev);
-	clear_bit(port->dev_num, dev_map);
+	cdev_del(&port->cdev);
+	if (port->dev_num < IB_UMAD_MAX_PORTS)
+		clear_bit(devnum, dev_map);
+	else
+		clear_bit(devnum, overflow_map);
 
 	return -1;
 }
@@ -1079,15 +1086,11 @@ static void ib_umad_kill_port(struct ib_umad_port *port)
 	dev_set_drvdata(port->dev,    NULL);
 	dev_set_drvdata(port->sm_dev, NULL);
 
-	device_destroy(umad_class, port->cdev->dev);
-	device_destroy(umad_class, port->sm_cdev->dev);
+	device_destroy(umad_class, port->cdev.dev);
+	device_destroy(umad_class, port->sm_cdev.dev);
 
-	cdev_del(port->cdev);
-	cdev_del(port->sm_cdev);
-
-	spin_lock(&port_lock);
-	umad_port[port->dev_num] = NULL;
-	spin_unlock(&port_lock);
+	cdev_del(&port->cdev);
+	cdev_del(&port->sm_cdev);
 
 	mutex_lock(&port->file_mutex);
 
@@ -1106,7 +1109,10 @@ static void ib_umad_kill_port(struct ib_umad_port *port)
 
 	mutex_unlock(&port->file_mutex);
 
-	clear_bit(port->dev_num, dev_map);
+	if (port->dev_num < IB_UMAD_MAX_PORTS)
+		clear_bit(port->dev_num, dev_map);
+	else
+		clear_bit(port->dev_num - IB_UMAD_MAX_PORTS, overflow_map);
 }
 
 static void ib_umad_add_one(struct ib_device *device)
@@ -1185,7 +1191,7 @@ static int __init ib_umad_init(void)
 		goto out_chrdev;
 	}
 
-	ret = class_create_file(umad_class, &class_attr_abi_version);
+	ret = class_create_file(umad_class, &class_attr_abi_version.attr);
 	if (ret) {
 		printk(KERN_ERR "user_mad: couldn't create abi_version attribute\n");
 		goto out_class;
@@ -1214,6 +1220,8 @@ static void __exit ib_umad_cleanup(void)
 	ib_unregister_client(&umad_client);
 	class_destroy(umad_class);
 	unregister_chrdev_region(base_dev, IB_UMAD_MAX_PORTS * 2);
+	if (overflow_maj)
+		unregister_chrdev_region(overflow_maj, IB_UMAD_MAX_PORTS * 2);
 }
 
 module_init(ib_umad_init);
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h
index b3ea9587dc80..a078e5624d22 100644
--- a/drivers/infiniband/core/uverbs.h
+++ b/drivers/infiniband/core/uverbs.h
@@ -41,6 +41,7 @@
 #include <linux/idr.h>
 #include <linux/mutex.h>
 #include <linux/completion.h>
+#include <linux/cdev.h>
 
 #include <rdma/ib_verbs.h>
 #include <rdma/ib_umem.h>
@@ -69,23 +70,23 @@
 
 struct ib_uverbs_device {
 	struct kref				ref;
+	int					num_comp_vectors;
 	struct completion			comp;
-	int					devnum;
-	struct cdev			       *cdev;
 	struct device			       *dev;
 	struct ib_device		       *ib_dev;
-	int					num_comp_vectors;
+	int					devnum;
+	struct cdev			        cdev;
 };
 
 struct ib_uverbs_event_file {
 	struct kref				ref;
+	int					is_async;
 	struct ib_uverbs_file		       *uverbs_file;
 	spinlock_t				lock;
+	int					is_closed;
 	wait_queue_head_t			poll_wait;
 	struct fasync_struct		       *async_queue;
 	struct list_head			event_list;
-	int					is_async;
-	int					is_closed;
 };
 
 struct ib_uverbs_file {
@@ -145,7 +146,7 @@ extern struct idr ib_uverbs_srq_idr;
 void idr_remove_uobj(struct idr *idp, struct ib_uobject *uobj);
 
 struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file,
-					int is_async, int *fd);
+					int is_async);
 struct ib_uverbs_event_file *ib_uverbs_lookup_comp_file(int fd);
 
 void ib_uverbs_release_ucq(struct ib_uverbs_file *file,
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 112d3970222a..f71cf138d674 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -301,10 +301,15 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file,
 
 	resp.num_comp_vectors = file->device->num_comp_vectors;
 
-	filp = ib_uverbs_alloc_event_file(file, 1, &resp.async_fd);
+	ret = get_unused_fd();
+	if (ret < 0)
+		goto err_free;
+	resp.async_fd = ret;
+
+	filp = ib_uverbs_alloc_event_file(file, 1);
 	if (IS_ERR(filp)) {
 		ret = PTR_ERR(filp);
-		goto err_free;
+		goto err_fd;
 	}
 
 	if (copy_to_user((void __user *) (unsigned long) cmd.response,
@@ -332,9 +337,11 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file,
 	return in_len;
 
 err_file:
-	put_unused_fd(resp.async_fd);
 	fput(filp);
 
+err_fd:
+	put_unused_fd(resp.async_fd);
+
 err_free:
 	ibdev->dealloc_ucontext(ucontext);
 
@@ -715,6 +722,7 @@ ssize_t ib_uverbs_create_comp_channel(struct ib_uverbs_file *file,
 	struct ib_uverbs_create_comp_channel	   cmd;
 	struct ib_uverbs_create_comp_channel_resp  resp;
 	struct file				  *filp;
+	int ret;
 
 	if (out_len < sizeof resp)
 		return -ENOSPC;
@@ -722,9 +730,16 @@ ssize_t ib_uverbs_create_comp_channel(struct ib_uverbs_file *file,
 	if (copy_from_user(&cmd, buf, sizeof cmd))
 		return -EFAULT;
 
-	filp = ib_uverbs_alloc_event_file(file, 0, &resp.fd);
-	if (IS_ERR(filp))
+	ret = get_unused_fd();
+	if (ret < 0)
+		return ret;
+	resp.fd = ret;
+
+	filp = ib_uverbs_alloc_event_file(file, 0);
+	if (IS_ERR(filp)) {
+		put_unused_fd(resp.fd);
 		return PTR_ERR(filp);
+	}
 
 	if (copy_to_user((void __user *) (unsigned long) cmd.response,
 			 &resp, sizeof resp)) {
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 5f284ffd430e..d805cf365c8d 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -42,8 +42,8 @@
 #include <linux/poll.h>
 #include <linux/sched.h>
 #include <linux/file.h>
-#include <linux/mount.h>
 #include <linux/cdev.h>
+#include <linux/anon_inodes.h>
 
 #include <asm/uaccess.h>
 
@@ -53,8 +53,6 @@ MODULE_AUTHOR("Roland Dreier");
 MODULE_DESCRIPTION("InfiniBand userspace verbs access");
 MODULE_LICENSE("Dual BSD/GPL");
 
-#define INFINIBANDEVENTFS_MAGIC	0x49426576	/* "IBev" */
-
 enum {
 	IB_UVERBS_MAJOR       = 231,
 	IB_UVERBS_BASE_MINOR  = 192,
@@ -75,44 +73,41 @@ DEFINE_IDR(ib_uverbs_qp_idr);
 DEFINE_IDR(ib_uverbs_srq_idr);
 
 static DEFINE_SPINLOCK(map_lock);
-static struct ib_uverbs_device *dev_table[IB_UVERBS_MAX_DEVICES];
 static DECLARE_BITMAP(dev_map, IB_UVERBS_MAX_DEVICES);
 
 static ssize_t (*uverbs_cmd_table[])(struct ib_uverbs_file *file,
 				     const char __user *buf, int in_len,
 				     int out_len) = {
-	[IB_USER_VERBS_CMD_GET_CONTEXT]   	= ib_uverbs_get_context,
-	[IB_USER_VERBS_CMD_QUERY_DEVICE]  	= ib_uverbs_query_device,
-	[IB_USER_VERBS_CMD_QUERY_PORT]    	= ib_uverbs_query_port,
-	[IB_USER_VERBS_CMD_ALLOC_PD]      	= ib_uverbs_alloc_pd,
-	[IB_USER_VERBS_CMD_DEALLOC_PD]    	= ib_uverbs_dealloc_pd,
-	[IB_USER_VERBS_CMD_REG_MR]        	= ib_uverbs_reg_mr,
-	[IB_USER_VERBS_CMD_DEREG_MR]      	= ib_uverbs_dereg_mr,
+	[IB_USER_VERBS_CMD_GET_CONTEXT]		= ib_uverbs_get_context,
+	[IB_USER_VERBS_CMD_QUERY_DEVICE]	= ib_uverbs_query_device,
+	[IB_USER_VERBS_CMD_QUERY_PORT]		= ib_uverbs_query_port,
+	[IB_USER_VERBS_CMD_ALLOC_PD]		= ib_uverbs_alloc_pd,
+	[IB_USER_VERBS_CMD_DEALLOC_PD]		= ib_uverbs_dealloc_pd,
+	[IB_USER_VERBS_CMD_REG_MR]		= ib_uverbs_reg_mr,
+	[IB_USER_VERBS_CMD_DEREG_MR]		= ib_uverbs_dereg_mr,
 	[IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL] = ib_uverbs_create_comp_channel,
-	[IB_USER_VERBS_CMD_CREATE_CQ]     	= ib_uverbs_create_cq,
-	[IB_USER_VERBS_CMD_RESIZE_CQ]     	= ib_uverbs_resize_cq,
-	[IB_USER_VERBS_CMD_POLL_CQ]     	= ib_uverbs_poll_cq,
-	[IB_USER_VERBS_CMD_REQ_NOTIFY_CQ]     	= ib_uverbs_req_notify_cq,
-	[IB_USER_VERBS_CMD_DESTROY_CQ]    	= ib_uverbs_destroy_cq,
-	[IB_USER_VERBS_CMD_CREATE_QP]     	= ib_uverbs_create_qp,
-	[IB_USER_VERBS_CMD_QUERY_QP]     	= ib_uverbs_query_qp,
-	[IB_USER_VERBS_CMD_MODIFY_QP]     	= ib_uverbs_modify_qp,
-	[IB_USER_VERBS_CMD_DESTROY_QP]    	= ib_uverbs_destroy_qp,
-	[IB_USER_VERBS_CMD_POST_SEND]    	= ib_uverbs_post_send,
-	[IB_USER_VERBS_CMD_POST_RECV]    	= ib_uverbs_post_recv,
-	[IB_USER_VERBS_CMD_POST_SRQ_RECV]    	= ib_uverbs_post_srq_recv,
-	[IB_USER_VERBS_CMD_CREATE_AH]    	= ib_uverbs_create_ah,
-	[IB_USER_VERBS_CMD_DESTROY_AH]    	= ib_uverbs_destroy_ah,
-	[IB_USER_VERBS_CMD_ATTACH_MCAST]  	= ib_uverbs_attach_mcast,
-	[IB_USER_VERBS_CMD_DETACH_MCAST]  	= ib_uverbs_detach_mcast,
-	[IB_USER_VERBS_CMD_CREATE_SRQ]    	= ib_uverbs_create_srq,
-	[IB_USER_VERBS_CMD_MODIFY_SRQ]    	= ib_uverbs_modify_srq,
-	[IB_USER_VERBS_CMD_QUERY_SRQ]     	= ib_uverbs_query_srq,
-	[IB_USER_VERBS_CMD_DESTROY_SRQ]   	= ib_uverbs_destroy_srq,
+	[IB_USER_VERBS_CMD_CREATE_CQ]		= ib_uverbs_create_cq,
+	[IB_USER_VERBS_CMD_RESIZE_CQ]		= ib_uverbs_resize_cq,
+	[IB_USER_VERBS_CMD_POLL_CQ]		= ib_uverbs_poll_cq,
+	[IB_USER_VERBS_CMD_REQ_NOTIFY_CQ]	= ib_uverbs_req_notify_cq,
+	[IB_USER_VERBS_CMD_DESTROY_CQ]		= ib_uverbs_destroy_cq,
+	[IB_USER_VERBS_CMD_CREATE_QP]		= ib_uverbs_create_qp,
+	[IB_USER_VERBS_CMD_QUERY_QP]		= ib_uverbs_query_qp,
+	[IB_USER_VERBS_CMD_MODIFY_QP]		= ib_uverbs_modify_qp,
+	[IB_USER_VERBS_CMD_DESTROY_QP]		= ib_uverbs_destroy_qp,
+	[IB_USER_VERBS_CMD_POST_SEND]		= ib_uverbs_post_send,
+	[IB_USER_VERBS_CMD_POST_RECV]		= ib_uverbs_post_recv,
+	[IB_USER_VERBS_CMD_POST_SRQ_RECV]	= ib_uverbs_post_srq_recv,
+	[IB_USER_VERBS_CMD_CREATE_AH]		= ib_uverbs_create_ah,
+	[IB_USER_VERBS_CMD_DESTROY_AH]		= ib_uverbs_destroy_ah,
+	[IB_USER_VERBS_CMD_ATTACH_MCAST]	= ib_uverbs_attach_mcast,
+	[IB_USER_VERBS_CMD_DETACH_MCAST]	= ib_uverbs_detach_mcast,
+	[IB_USER_VERBS_CMD_CREATE_SRQ]		= ib_uverbs_create_srq,
+	[IB_USER_VERBS_CMD_MODIFY_SRQ]		= ib_uverbs_modify_srq,
+	[IB_USER_VERBS_CMD_QUERY_SRQ]		= ib_uverbs_query_srq,
+	[IB_USER_VERBS_CMD_DESTROY_SRQ]		= ib_uverbs_destroy_srq,
 };
 
-static struct vfsmount *uverbs_event_mnt;
-
 static void ib_uverbs_add_one(struct ib_device *device);
 static void ib_uverbs_remove_one(struct ib_device *device);
 
@@ -370,7 +365,7 @@ static int ib_uverbs_event_close(struct inode *inode, struct file *filp)
 
 static const struct file_operations uverbs_event_fops = {
 	.owner	 = THIS_MODULE,
-	.read 	 = ib_uverbs_event_read,
+	.read	 = ib_uverbs_event_read,
 	.poll    = ib_uverbs_event_poll,
 	.release = ib_uverbs_event_close,
 	.fasync  = ib_uverbs_event_fasync
@@ -489,12 +484,10 @@ void ib_uverbs_event_handler(struct ib_event_handler *handler,
 }
 
 struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file,
-					int is_async, int *fd)
+					int is_async)
 {
 	struct ib_uverbs_event_file *ev_file;
-	struct path path;
 	struct file *filp;
-	int ret;
 
 	ev_file = kmalloc(sizeof *ev_file, GFP_KERNEL);
 	if (!ev_file)
@@ -509,38 +502,12 @@ struct file *ib_uverbs_alloc_event_file(struct ib_uverbs_file *uverbs_file,
 	ev_file->is_async    = is_async;
 	ev_file->is_closed   = 0;
 
-	*fd = get_unused_fd();
-	if (*fd < 0) {
-		ret = *fd;
-		goto err;
-	}
-
-	/*
-	 * fops_get() can't fail here, because we're coming from a
-	 * system call on a uverbs file, which will already have a
-	 * module reference.
-	 */
-	path.mnt = uverbs_event_mnt;
-	path.dentry = uverbs_event_mnt->mnt_root;
-	path_get(&path);
-	filp = alloc_file(&path, FMODE_READ, fops_get(&uverbs_event_fops));
-	if (!filp) {
-		ret = -ENFILE;
-		goto err_fd;
-	}
-
-	filp->private_data = ev_file;
+	filp = anon_inode_getfile("[infinibandevent]", &uverbs_event_fops,
+				  ev_file, O_RDONLY);
+	if (IS_ERR(filp))
+		kfree(ev_file);
 
 	return filp;
-
-err_fd:
-	fops_put(&uverbs_event_fops);
-	path_put(&path);
-	put_unused_fd(*fd);
-
-err:
-	kfree(ev_file);
-	return ERR_PTR(ret);
 }
 
 /*
@@ -617,14 +584,12 @@ static int ib_uverbs_mmap(struct file *filp, struct vm_area_struct *vma)
 /*
  * ib_uverbs_open() does not need the BKL:
  *
- *  - dev_table[] accesses are protected by map_lock, the
- *    ib_uverbs_device structures are properly reference counted, and
+ *  - the ib_uverbs_device structures are properly reference counted and
  *    everything else is purely local to the file being created, so
  *    races against other open calls are not a problem;
  *  - there is no ioctl method to race against;
- *  - the device is added to dev_table[] as the last part of module
- *    initialization, the open method will either immediately run
- *    -ENXIO, or all required initialization will be done.
+ *  - the open method will either immediately run -ENXIO, or all
+ *    required initialization will be done.
  */
 static int ib_uverbs_open(struct inode *inode, struct file *filp)
 {
@@ -632,13 +597,10 @@ static int ib_uverbs_open(struct inode *inode, struct file *filp)
 	struct ib_uverbs_file *file;
 	int ret;
 
-	spin_lock(&map_lock);
-	dev = dev_table[iminor(inode) - IB_UVERBS_BASE_MINOR];
+	dev = container_of(inode->i_cdev, struct ib_uverbs_device, cdev);
 	if (dev)
 		kref_get(&dev->ref);
-	spin_unlock(&map_lock);
-
-	if (!dev)
+	else
 		return -ENXIO;
 
 	if (!try_module_get(dev->ib_dev->owner)) {
@@ -685,17 +647,17 @@ static int ib_uverbs_close(struct inode *inode, struct file *filp)
 }
 
 static const struct file_operations uverbs_fops = {
-	.owner 	 = THIS_MODULE,
-	.write 	 = ib_uverbs_write,
-	.open 	 = ib_uverbs_open,
+	.owner	 = THIS_MODULE,
+	.write	 = ib_uverbs_write,
+	.open	 = ib_uverbs_open,
 	.release = ib_uverbs_close
 };
 
 static const struct file_operations uverbs_mmap_fops = {
-	.owner 	 = THIS_MODULE,
-	.write 	 = ib_uverbs_write,
+	.owner	 = THIS_MODULE,
+	.write	 = ib_uverbs_write,
 	.mmap    = ib_uverbs_mmap,
-	.open 	 = ib_uverbs_open,
+	.open	 = ib_uverbs_open,
 	.release = ib_uverbs_close
 };
 
@@ -729,14 +691,41 @@ static ssize_t show_dev_abi_version(struct device *device,
 }
 static DEVICE_ATTR(abi_version, S_IRUGO, show_dev_abi_version, NULL);
 
-static ssize_t show_abi_version(struct class *class, char *buf)
+static CLASS_ATTR_STRING(abi_version, S_IRUGO,
+			 __stringify(IB_USER_VERBS_ABI_VERSION));
+
+static dev_t overflow_maj;
+static DECLARE_BITMAP(overflow_map, IB_UVERBS_MAX_DEVICES);
+
+/*
+ * If we have more than IB_UVERBS_MAX_DEVICES, dynamically overflow by
+ * requesting a new major number and doubling the number of max devices we
+ * support. It's stupid, but simple.
+ */
+static int find_overflow_devnum(void)
 {
-	return sprintf(buf, "%d\n", IB_USER_VERBS_ABI_VERSION);
+	int ret;
+
+	if (!overflow_maj) {
+		ret = alloc_chrdev_region(&overflow_maj, 0, IB_UVERBS_MAX_DEVICES,
+					  "infiniband_verbs");
+		if (ret) {
+			printk(KERN_ERR "user_verbs: couldn't register dynamic device number\n");
+			return ret;
+		}
+	}
+
+	ret = find_first_zero_bit(overflow_map, IB_UVERBS_MAX_DEVICES);
+	if (ret >= IB_UVERBS_MAX_DEVICES)
+		return -1;
+
+	return ret;
 }
-static CLASS_ATTR(abi_version, S_IRUGO, show_abi_version, NULL);
 
 static void ib_uverbs_add_one(struct ib_device *device)
 {
+	int devnum;
+	dev_t base;
 	struct ib_uverbs_device *uverbs_dev;
 
 	if (!device->alloc_ucontext)
@@ -750,28 +739,36 @@ static void ib_uverbs_add_one(struct ib_device *device)
 	init_completion(&uverbs_dev->comp);
 
 	spin_lock(&map_lock);
-	uverbs_dev->devnum = find_first_zero_bit(dev_map, IB_UVERBS_MAX_DEVICES);
-	if (uverbs_dev->devnum >= IB_UVERBS_MAX_DEVICES) {
+	devnum = find_first_zero_bit(dev_map, IB_UVERBS_MAX_DEVICES);
+	if (devnum >= IB_UVERBS_MAX_DEVICES) {
 		spin_unlock(&map_lock);
-		goto err;
+		devnum = find_overflow_devnum();
+		if (devnum < 0)
+			goto err;
+
+		spin_lock(&map_lock);
+		uverbs_dev->devnum = devnum + IB_UVERBS_MAX_DEVICES;
+		base = devnum + overflow_maj;
+		set_bit(devnum, overflow_map);
+	} else {
+		uverbs_dev->devnum = devnum;
+		base = devnum + IB_UVERBS_BASE_DEV;
+		set_bit(devnum, dev_map);
 	}
-	set_bit(uverbs_dev->devnum, dev_map);
 	spin_unlock(&map_lock);
 
 	uverbs_dev->ib_dev           = device;
 	uverbs_dev->num_comp_vectors = device->num_comp_vectors;
 
-	uverbs_dev->cdev = cdev_alloc();
-	if (!uverbs_dev->cdev)
-		goto err;
-	uverbs_dev->cdev->owner = THIS_MODULE;
-	uverbs_dev->cdev->ops = device->mmap ? &uverbs_mmap_fops : &uverbs_fops;
-	kobject_set_name(&uverbs_dev->cdev->kobj, "uverbs%d", uverbs_dev->devnum);
-	if (cdev_add(uverbs_dev->cdev, IB_UVERBS_BASE_DEV + uverbs_dev->devnum, 1))
+	cdev_init(&uverbs_dev->cdev, NULL);
+	uverbs_dev->cdev.owner = THIS_MODULE;
+	uverbs_dev->cdev.ops = device->mmap ? &uverbs_mmap_fops : &uverbs_fops;
+	kobject_set_name(&uverbs_dev->cdev.kobj, "uverbs%d", uverbs_dev->devnum);
+	if (cdev_add(&uverbs_dev->cdev, base, 1))
 		goto err_cdev;
 
 	uverbs_dev->dev = device_create(uverbs_class, device->dma_device,
-					uverbs_dev->cdev->dev, uverbs_dev,
+					uverbs_dev->cdev.dev, uverbs_dev,
 					"uverbs%d", uverbs_dev->devnum);
 	if (IS_ERR(uverbs_dev->dev))
 		goto err_cdev;
@@ -781,20 +778,19 @@ static void ib_uverbs_add_one(struct ib_device *device)
 	if (device_create_file(uverbs_dev->dev, &dev_attr_abi_version))
 		goto err_class;
 
-	spin_lock(&map_lock);
-	dev_table[uverbs_dev->devnum] = uverbs_dev;
-	spin_unlock(&map_lock);
-
 	ib_set_client_data(device, &uverbs_client, uverbs_dev);
 
 	return;
 
 err_class:
-	device_destroy(uverbs_class, uverbs_dev->cdev->dev);
+	device_destroy(uverbs_class, uverbs_dev->cdev.dev);
 
 err_cdev:
-	cdev_del(uverbs_dev->cdev);
-	clear_bit(uverbs_dev->devnum, dev_map);
+	cdev_del(&uverbs_dev->cdev);
+	if (uverbs_dev->devnum < IB_UVERBS_MAX_DEVICES)
+		clear_bit(devnum, dev_map);
+	else
+		clear_bit(devnum, overflow_map);
 
 err:
 	kref_put(&uverbs_dev->ref, ib_uverbs_release_dev);
@@ -811,35 +807,19 @@ static void ib_uverbs_remove_one(struct ib_device *device)
 		return;
 
 	dev_set_drvdata(uverbs_dev->dev, NULL);
-	device_destroy(uverbs_class, uverbs_dev->cdev->dev);
-	cdev_del(uverbs_dev->cdev);
+	device_destroy(uverbs_class, uverbs_dev->cdev.dev);
+	cdev_del(&uverbs_dev->cdev);
 
-	spin_lock(&map_lock);
-	dev_table[uverbs_dev->devnum] = NULL;
-	spin_unlock(&map_lock);
-
-	clear_bit(uverbs_dev->devnum, dev_map);
+	if (uverbs_dev->devnum < IB_UVERBS_MAX_DEVICES)
+		clear_bit(uverbs_dev->devnum, dev_map);
+	else
+		clear_bit(uverbs_dev->devnum - IB_UVERBS_MAX_DEVICES, overflow_map);
 
 	kref_put(&uverbs_dev->ref, ib_uverbs_release_dev);
 	wait_for_completion(&uverbs_dev->comp);
 	kfree(uverbs_dev);
 }
 
-static int uverbs_event_get_sb(struct file_system_type *fs_type, int flags,
-			       const char *dev_name, void *data,
-			       struct vfsmount *mnt)
-{
-	return get_sb_pseudo(fs_type, "infinibandevent:", NULL,
-			     INFINIBANDEVENTFS_MAGIC, mnt);
-}
-
-static struct file_system_type uverbs_event_fs = {
-	/* No owner field so module can be unloaded */
-	.name    = "infinibandeventfs",
-	.get_sb  = uverbs_event_get_sb,
-	.kill_sb = kill_litter_super
-};
-
 static int __init ib_uverbs_init(void)
 {
 	int ret;
@@ -858,39 +838,20 @@ static int __init ib_uverbs_init(void)
 		goto out_chrdev;
 	}
 
-	ret = class_create_file(uverbs_class, &class_attr_abi_version);
+	ret = class_create_file(uverbs_class, &class_attr_abi_version.attr);
 	if (ret) {
 		printk(KERN_ERR "user_verbs: couldn't create abi_version attribute\n");
 		goto out_class;
 	}
 
-	ret = register_filesystem(&uverbs_event_fs);
-	if (ret) {
-		printk(KERN_ERR "user_verbs: couldn't register infinibandeventfs\n");
-		goto out_class;
-	}
-
-	uverbs_event_mnt = kern_mount(&uverbs_event_fs);
-	if (IS_ERR(uverbs_event_mnt)) {
-		ret = PTR_ERR(uverbs_event_mnt);
-		printk(KERN_ERR "user_verbs: couldn't mount infinibandeventfs\n");
-		goto out_fs;
-	}
-
 	ret = ib_register_client(&uverbs_client);
 	if (ret) {
 		printk(KERN_ERR "user_verbs: couldn't register client\n");
-		goto out_mnt;
+		goto out_class;
 	}
 
 	return 0;
 
-out_mnt:
-	mntput(uverbs_event_mnt);
-
-out_fs:
-	unregister_filesystem(&uverbs_event_fs);
-
 out_class:
 	class_destroy(uverbs_class);
 
@@ -904,10 +865,10 @@ out:
 static void __exit ib_uverbs_cleanup(void)
 {
 	ib_unregister_client(&uverbs_client);
-	mntput(uverbs_event_mnt);
-	unregister_filesystem(&uverbs_event_fs);
 	class_destroy(uverbs_class);
 	unregister_chrdev_region(IB_UVERBS_BASE_DEV, IB_UVERBS_MAX_DEVICES);
+	if (overflow_maj)
+		unregister_chrdev_region(overflow_maj, IB_UVERBS_MAX_DEVICES);
 	idr_destroy(&ib_uverbs_pd_idr);
 	idr_destroy(&ib_uverbs_mr_idr);
 	idr_destroy(&ib_uverbs_mw_idr);
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
index 0677fc7dfd51..a28e862f2d68 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
@@ -109,7 +109,6 @@ int cxio_hal_cq_op(struct cxio_rdev *rdev_p, struct t3_cq *cq,
 		while (!CQ_VLD_ENTRY(rptr, cq->size_log2, cqe)) {
 			udelay(1);
 			if (i++ > 1000000) {
-				BUG_ON(1);
 				printk(KERN_ERR "%s: stalled rnic\n",
 				       rdev_p->dev_name);
 				return -EIO;
@@ -155,7 +154,7 @@ static int cxio_hal_clear_qp_ctx(struct cxio_rdev *rdev_p, u32 qpid)
 	return iwch_cxgb3_ofld_send(rdev_p->t3cdev_p, skb);
 }
 
-int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
+int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq, int kernel)
 {
 	struct rdma_cq_setup setup;
 	int size = (1UL << (cq->size_log2)) * sizeof(struct t3_cqe);
@@ -163,12 +162,12 @@ int cxio_create_cq(struct cxio_rdev *rdev_p, struct t3_cq *cq)
 	cq->cqid = cxio_hal_get_cqid(rdev_p->rscp);
 	if (!cq->cqid)
 		return -ENOMEM;
-	cq->sw_queue = kzalloc(size, GFP_KERNEL);
-	if (!cq->sw_queue)
-		return -ENOMEM;
-	cq->queue = dma_alloc_coherent(&(rdev_p->rnic_info.pdev->dev),
-					     (1UL << (cq->size_log2)) *
-					     sizeof(struct t3_cqe),
+	if (kernel) {
+		cq->sw_queue = kzalloc(size, GFP_KERNEL);
+		if (!cq->sw_queue)
+			return -ENOMEM;
+	}
+	cq->queue = dma_alloc_coherent(&(rdev_p->rnic_info.pdev->dev), size,
 					     &(cq->dma_addr), GFP_KERNEL);
 	if (!cq->queue) {
 		kfree(cq->sw_queue);
diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.h b/drivers/infiniband/hw/cxgb3/cxio_hal.h
index f3d440cc68f2..073373c2c560 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_hal.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_hal.h
@@ -53,7 +53,7 @@
 #define T3_MAX_PBL_SIZE 256
 #define T3_MAX_RQ_SIZE 1024
 #define T3_MAX_QP_DEPTH (T3_MAX_RQ_SIZE-1)
-#define T3_MAX_CQ_DEPTH 8192
+#define T3_MAX_CQ_DEPTH 262144
 #define T3_MAX_NUM_STAG (1<<15)
 #define T3_MAX_MR_SIZE 0x100000000ULL
 #define T3_PAGESIZE_MASK 0xffff000  /* 4KB-128MB */
@@ -157,7 +157,7 @@ int cxio_rdev_open(struct cxio_rdev *rdev);
 void cxio_rdev_close(struct cxio_rdev *rdev);
 int cxio_hal_cq_op(struct cxio_rdev *rdev, struct t3_cq *cq,
 		   enum t3_cq_opcode op, u32 credit);
-int cxio_create_cq(struct cxio_rdev *rdev, struct t3_cq *cq);
+int cxio_create_cq(struct cxio_rdev *rdev, struct t3_cq *cq, int kernel);
 int cxio_destroy_cq(struct cxio_rdev *rdev, struct t3_cq *cq);
 int cxio_resize_cq(struct cxio_rdev *rdev, struct t3_cq *cq);
 void cxio_release_ucontext(struct cxio_rdev *rdev, struct cxio_ucontext *uctx);
diff --git a/drivers/infiniband/hw/cxgb3/cxio_wr.h b/drivers/infiniband/hw/cxgb3/cxio_wr.h
index a197a5b7ac7f..15073b2da1c5 100644
--- a/drivers/infiniband/hw/cxgb3/cxio_wr.h
+++ b/drivers/infiniband/hw/cxgb3/cxio_wr.h
@@ -730,7 +730,22 @@ struct t3_cq {
 
 static inline void cxio_set_wq_in_error(struct t3_wq *wq)
 {
-	wq->queue->wq_in_err.err = 1;
+	wq->queue->wq_in_err.err |= 1;
+}
+
+static inline void cxio_disable_wq_db(struct t3_wq *wq)
+{
+	wq->queue->wq_in_err.err |= 2;
+}
+
+static inline void cxio_enable_wq_db(struct t3_wq *wq)
+{
+	wq->queue->wq_in_err.err &= ~2;
+}
+
+static inline int cxio_wq_db_enabled(struct t3_wq *wq)
+{
+	return !(wq->queue->wq_in_err.err & 2);
 }
 
 static inline struct t3_cqe *cxio_next_hw_cqe(struct t3_cq *cq)
diff --git a/drivers/infiniband/hw/cxgb3/iwch.c b/drivers/infiniband/hw/cxgb3/iwch.c
index b0ea0105ddf6..63f975f3e30f 100644
--- a/drivers/infiniband/hw/cxgb3/iwch.c
+++ b/drivers/infiniband/hw/cxgb3/iwch.c
@@ -65,6 +65,46 @@ struct cxgb3_client t3c_client = {
 static LIST_HEAD(dev_list);
 static DEFINE_MUTEX(dev_mutex);
 
+static int disable_qp_db(int id, void *p, void *data)
+{
+	struct iwch_qp *qhp = p;
+
+	cxio_disable_wq_db(&qhp->wq);
+	return 0;
+}
+
+static int enable_qp_db(int id, void *p, void *data)
+{
+	struct iwch_qp *qhp = p;
+
+	if (data)
+		ring_doorbell(qhp->rhp->rdev.ctrl_qp.doorbell, qhp->wq.qpid);
+	cxio_enable_wq_db(&qhp->wq);
+	return 0;
+}
+
+static void disable_dbs(struct iwch_dev *rnicp)
+{
+	spin_lock_irq(&rnicp->lock);
+	idr_for_each(&rnicp->qpidr, disable_qp_db, NULL);
+	spin_unlock_irq(&rnicp->lock);
+}
+
+static void enable_dbs(struct iwch_dev *rnicp, int ring_db)
+{
+	spin_lock_irq(&rnicp->lock);
+	idr_for_each(&rnicp->qpidr, enable_qp_db,
+		     (void *)(unsigned long)ring_db);
+	spin_unlock_irq(&rnicp->lock);
+}
+
+static void iwch_db_drop_task(struct work_struct *work)
+{
+	struct iwch_dev *rnicp = container_of(work, struct iwch_dev,
+					      db_drop_task.work);
+	enable_dbs(rnicp, 1);
+}
+
 static void rnic_init(struct iwch_dev *rnicp)
 {
 	PDBG("%s iwch_dev %p\n", __func__,  rnicp);
@@ -72,6 +112,7 @@ static void rnic_init(struct iwch_dev *rnicp)
 	idr_init(&rnicp->qpidr);
 	idr_init(&rnicp->mmidr);
 	spin_lock_init(&rnicp->lock);
+	INIT_DELAYED_WORK(&rnicp->db_drop_task, iwch_db_drop_task);
 
 	rnicp->attr.max_qps = T3_MAX_NUM_QP - 32;
 	rnicp->attr.max_wrs = T3_MAX_QP_DEPTH;
@@ -147,6 +188,9 @@ static void close_rnic_dev(struct t3cdev *tdev)
 	mutex_lock(&dev_mutex);
 	list_for_each_entry_safe(dev, tmp, &dev_list, entry) {
 		if (dev->rdev.t3cdev_p == tdev) {
+			dev->rdev.flags = CXIO_ERROR_FATAL;
+			synchronize_net();
+			cancel_delayed_work_sync(&dev->db_drop_task);
 			list_del(&dev->entry);
 			iwch_unregister_device(dev);
 			cxio_rdev_close(&dev->rdev);
@@ -165,7 +209,8 @@ static void iwch_event_handler(struct t3cdev *tdev, u32 evt, u32 port_id)
 	struct cxio_rdev *rdev = tdev->ulp;
 	struct iwch_dev *rnicp;
 	struct ib_event event;
-	u32    portnum = port_id + 1;
+	u32 portnum = port_id + 1;
+	int dispatch = 0;
 
 	if (!rdev)
 		return;
@@ -173,22 +218,51 @@ static void iwch_event_handler(struct t3cdev *tdev, u32 evt, u32 port_id)
 	switch (evt) {
 	case OFFLOAD_STATUS_DOWN: {
 		rdev->flags = CXIO_ERROR_FATAL;
+		synchronize_net();
 		event.event  = IB_EVENT_DEVICE_FATAL;
+		dispatch = 1;
 		break;
 		}
 	case OFFLOAD_PORT_DOWN: {
 		event.event  = IB_EVENT_PORT_ERR;
+		dispatch = 1;
 		break;
 		}
 	case OFFLOAD_PORT_UP: {
 		event.event  = IB_EVENT_PORT_ACTIVE;
+		dispatch = 1;
+		break;
+		}
+	case OFFLOAD_DB_FULL: {
+		disable_dbs(rnicp);
+		break;
+		}
+	case OFFLOAD_DB_EMPTY: {
+		enable_dbs(rnicp, 1);
+		break;
+		}
+	case OFFLOAD_DB_DROP: {
+		unsigned long delay = 1000;
+		unsigned short r;
+
+		disable_dbs(rnicp);
+		get_random_bytes(&r, 2);
+		delay += r & 1023;
+
+		/*
+		 * delay is between 1000-2023 usecs.
+		 */
+		schedule_delayed_work(&rnicp->db_drop_task,
+			usecs_to_jiffies(delay));
 		break;
 		}
 	}
 
-	event.device = &rnicp->ibdev;
-	event.element.port_num = portnum;
-	ib_dispatch_event(&event);
+	if (dispatch) {
+		event.device = &rnicp->ibdev;
+		event.element.port_num = portnum;
+		ib_dispatch_event(&event);
+	}
 
 	return;
 }
diff --git a/drivers/infiniband/hw/cxgb3/iwch.h b/drivers/infiniband/hw/cxgb3/iwch.h
index 84735506333f..a1c44578e039 100644
--- a/drivers/infiniband/hw/cxgb3/iwch.h
+++ b/drivers/infiniband/hw/cxgb3/iwch.h
@@ -36,6 +36,7 @@
 #include <linux/list.h>
 #include <linux/spinlock.h>
 #include <linux/idr.h>
+#include <linux/workqueue.h>
 
 #include <rdma/ib_verbs.h>
 
@@ -110,6 +111,7 @@ struct iwch_dev {
 	struct idr mmidr;
 	spinlock_t lock;
 	struct list_head entry;
+	struct delayed_work db_drop_task;
 };
 
 static inline struct iwch_dev *to_iwch_dev(struct ib_device *ibdev)
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index ed7175549ebd..47b35c6608d2 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -187,7 +187,7 @@ static struct ib_cq *iwch_create_cq(struct ib_device *ibdev, int entries, int ve
 	entries = roundup_pow_of_two(entries);
 	chp->cq.size_log2 = ilog2(entries);
 
-	if (cxio_create_cq(&rhp->rdev, &chp->cq)) {
+	if (cxio_create_cq(&rhp->rdev, &chp->cq, !ucontext)) {
 		kfree(chp);
 		return ERR_PTR(-ENOMEM);
 	}
diff --git a/drivers/infiniband/hw/cxgb3/iwch_qp.c b/drivers/infiniband/hw/cxgb3/iwch_qp.c
index 3eb8cecf81d7..b4d893de3650 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_qp.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_qp.c
@@ -452,7 +452,8 @@ int iwch_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 		++(qhp->wq.sq_wptr);
 	}
 	spin_unlock_irqrestore(&qhp->lock, flag);
-	ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
+	if (cxio_wq_db_enabled(&qhp->wq))
+		ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
 
 out:
 	if (err)
@@ -514,7 +515,8 @@ int iwch_post_receive(struct ib_qp *ibqp, struct ib_recv_wr *wr,
 		num_wrs--;
 	}
 	spin_unlock_irqrestore(&qhp->lock, flag);
-	ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
+	if (cxio_wq_db_enabled(&qhp->wq))
+		ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
 
 out:
 	if (err)
@@ -597,7 +599,8 @@ int iwch_bind_mw(struct ib_qp *qp,
 	++(qhp->wq.sq_wptr);
 	spin_unlock_irqrestore(&qhp->lock, flag);
 
-	ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
+	if (cxio_wq_db_enabled(&qhp->wq))
+		ring_doorbell(qhp->wq.doorbell, qhp->wq.qpid);
 
 	return err;
 }
diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c
index 42be0b15084b..b2b6fea2b141 100644
--- a/drivers/infiniband/hw/ehca/ehca_irq.c
+++ b/drivers/infiniband/hw/ehca/ehca_irq.c
@@ -548,11 +548,10 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
 	struct ehca_eq *eq = &shca->eq;
 	struct ehca_eqe_cache_entry *eqe_cache = eq->eqe_cache;
 	u64 eqe_value, ret;
-	unsigned long flags;
 	int eqe_cnt, i;
 	int eq_empty = 0;
 
-	spin_lock_irqsave(&eq->irq_spinlock, flags);
+	spin_lock(&eq->irq_spinlock);
 	if (is_irq) {
 		const int max_query_cnt = 100;
 		int query_cnt = 0;
@@ -643,7 +642,7 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq)
 	} while (1);
 
 unlock_irq_spinlock:
-	spin_unlock_irqrestore(&eq->irq_spinlock, flags);
+	spin_unlock(&eq->irq_spinlock);
 }
 
 void ehca_tasklet_eq(unsigned long data)
diff --git a/drivers/infiniband/hw/ehca/ehca_qes.h b/drivers/infiniband/hw/ehca/ehca_qes.h
index 5d28e3e98a20..90c4efa67586 100644
--- a/drivers/infiniband/hw/ehca/ehca_qes.h
+++ b/drivers/infiniband/hw/ehca/ehca_qes.h
@@ -46,7 +46,7 @@
 
 #include "ehca_tools.h"
 
-/* virtual scatter gather entry to specify remote adresses with length */
+/* virtual scatter gather entry to specify remote addresses with length */
 struct ehca_vsgentry {
 	u64 vaddr;
 	u32 lkey;
@@ -148,7 +148,7 @@ struct ehca_wqe {
 	u32 immediate_data;
 	union {
 		struct {
-			u64 remote_virtual_adress;
+			u64 remote_virtual_address;
 			u32 rkey;
 			u32 reserved;
 			u64 atomic_1st_op_dma_len;
diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c
index 0338f1fabe8a..b105f664d3ef 100644
--- a/drivers/infiniband/hw/ehca/ehca_qp.c
+++ b/drivers/infiniband/hw/ehca/ehca_qp.c
@@ -55,9 +55,7 @@ static struct kmem_cache *qp_cache;
 /*
  * attributes not supported by query qp
  */
-#define QP_ATTR_QUERY_NOT_SUPPORTED (IB_QP_MAX_DEST_RD_ATOMIC | \
-				     IB_QP_MAX_QP_RD_ATOMIC   | \
-				     IB_QP_ACCESS_FLAGS       | \
+#define QP_ATTR_QUERY_NOT_SUPPORTED (IB_QP_ACCESS_FLAGS       | \
 				     IB_QP_EN_SQD_ASYNC_NOTIFY)
 
 /*
diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c
index e3ec7fdd67bd..9a3fbfca9b41 100644
--- a/drivers/infiniband/hw/ehca/ehca_reqs.c
+++ b/drivers/infiniband/hw/ehca/ehca_reqs.c
@@ -269,7 +269,7 @@ static inline int ehca_write_swqe(struct ehca_qp *qp,
 		/* no break is intentional here */
 	case IB_QPT_RC:
 		/* TODO: atomic not implemented */
-		wqe_p->u.nud.remote_virtual_adress =
+		wqe_p->u.nud.remote_virtual_address =
 			send_wr->wr.rdma.remote_addr;
 		wqe_p->u.nud.rkey = send_wr->wr.rdma.rkey;
 
diff --git a/drivers/infiniband/hw/ehca/ehca_sqp.c b/drivers/infiniband/hw/ehca/ehca_sqp.c
index 8c1213f8916a..dba8f9f8b996 100644
--- a/drivers/infiniband/hw/ehca/ehca_sqp.c
+++ b/drivers/infiniband/hw/ehca/ehca_sqp.c
@@ -222,7 +222,7 @@ int ehca_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
 {
 	int ret;
 
-	if (!port_num || port_num > ibdev->phys_port_cnt)
+	if (!port_num || port_num > ibdev->phys_port_cnt || !in_wc)
 		return IB_MAD_RESULT_FAILURE;
 
 	/* accept only pma request */
diff --git a/drivers/infiniband/hw/ipath/ipath_user_pages.c b/drivers/infiniband/hw/ipath/ipath_user_pages.c
index 82878e348627..eb7d59abd12d 100644
--- a/drivers/infiniband/hw/ipath/ipath_user_pages.c
+++ b/drivers/infiniband/hw/ipath/ipath_user_pages.c
@@ -59,8 +59,7 @@ static int __get_user_pages(unsigned long start_page, size_t num_pages,
 	size_t got;
 	int ret;
 
-	lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur >>
-		PAGE_SHIFT;
+	lock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT;
 
 	if (num_pages > lock_limit) {
 		ret = -ENOMEM;
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index 2a97c964b9ef..ae75389937d6 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1214,7 +1214,7 @@ out:
 static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
 			    void *wqe, unsigned *mlx_seg_len)
 {
-	struct ib_device *ib_dev = &to_mdev(sqp->qp.ibqp.device)->ib_dev;
+	struct ib_device *ib_dev = sqp->qp.ibqp.device;
 	struct mlx4_wqe_mlx_seg *mlx = wqe;
 	struct mlx4_wqe_inline_seg *inl = wqe + sizeof *mlx;
 	struct mlx4_ib_ah *ah = to_mah(wr->wr.ud.ah);
@@ -1228,7 +1228,7 @@ static int build_mlx_header(struct mlx4_ib_sqp *sqp, struct ib_send_wr *wr,
 	for (i = 0; i < wr->num_sge; ++i)
 		send_size += wr->sg_list[i].length;
 
-	ib_ud_header_init(send_size, mlx4_ib_ah_grh_present(ah), &sqp->ud_header);
+	ib_ud_header_init(send_size, mlx4_ib_ah_grh_present(ah), 0, &sqp->ud_header);
 
 	sqp->ud_header.lrh.service_level   =
 		be32_to_cpu(ah->av.sl_tclass_flowlabel) >> 28;
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index c10576fa60c1..d2d172e6289c 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -1494,7 +1494,7 @@ static int build_mlx_header(struct mthca_dev *dev, struct mthca_sqp *sqp,
 	u16 pkey;
 
 	ib_ud_header_init(256, /* assume a MAD */
-			  mthca_ah_grh_present(to_mah(wr->wr.ud.ah)),
+			  mthca_ah_grh_present(to_mah(wr->wr.ud.ah)), 0,
 			  &sqp->ud_header);
 
 	err = mthca_read_ah(dev, to_mah(wr->wr.ud.ah), &sqp->ud_header);
diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
index b9d09bafd6c1..4272c52e38a4 100644
--- a/drivers/infiniband/hw/nes/nes.c
+++ b/drivers/infiniband/hw/nes/nes.c
@@ -110,6 +110,7 @@ static unsigned int sysfs_idx_addr;
 
 static struct pci_device_id nes_pci_table[] = {
 	{PCI_VENDOR_ID_NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020, PCI_ANY_ID, PCI_ANY_ID},
+	{PCI_VENDOR_ID_NETEFFECT, PCI_DEVICE_ID_NETEFFECT_NE020_KR, PCI_ANY_ID, PCI_ANY_ID},
 	{0}
 };
 
diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h
index 98840564bb2f..cc78fee1dd51 100644
--- a/drivers/infiniband/hw/nes/nes.h
+++ b/drivers/infiniband/hw/nes/nes.h
@@ -64,8 +64,9 @@
  * NetEffect PCI vendor id and NE010 PCI device id.
  */
 #ifndef PCI_VENDOR_ID_NETEFFECT	/* not in pci.ids yet */
-#define PCI_VENDOR_ID_NETEFFECT       0x1678
-#define PCI_DEVICE_ID_NETEFFECT_NE020 0x0100
+#define PCI_VENDOR_ID_NETEFFECT          0x1678
+#define PCI_DEVICE_ID_NETEFFECT_NE020    0x0100
+#define PCI_DEVICE_ID_NETEFFECT_NE020_KR 0x0110
 #endif
 
 #define NE020_REV   4
@@ -193,8 +194,8 @@ extern u32 cm_packets_created;
 extern u32 cm_packets_received;
 extern u32 cm_packets_dropped;
 extern u32 cm_packets_retrans;
-extern u32 cm_listens_created;
-extern u32 cm_listens_destroyed;
+extern atomic_t cm_listens_created;
+extern atomic_t cm_listens_destroyed;
 extern u32 cm_backlog_drops;
 extern atomic_t cm_loopbacks;
 extern atomic_t cm_nodes_created;
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 39468c277036..2a49ee40b520 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -67,8 +67,8 @@ u32 cm_packets_dropped;
 u32 cm_packets_retrans;
 u32 cm_packets_created;
 u32 cm_packets_received;
-u32 cm_listens_created;
-u32 cm_listens_destroyed;
+atomic_t cm_listens_created;
+atomic_t cm_listens_destroyed;
 u32 cm_backlog_drops;
 atomic_t cm_loopbacks;
 atomic_t cm_nodes_created;
@@ -1011,9 +1011,10 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core,
 					event.cm_info.loc_port =
 							 loopback->loc_port;
 					event.cm_info.cm_id = loopback->cm_id;
+					add_ref_cm_node(loopback);
+					loopback->state = NES_CM_STATE_CLOSED;
 					cm_event_connect_error(&event);
 					cm_node->state = NES_CM_STATE_LISTENER_DESTROYED;
-					loopback->state = NES_CM_STATE_CLOSED;
 
 					rem_ref_cm_node(cm_node->cm_core,
 							 cm_node);
@@ -1042,7 +1043,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core,
 		kfree(listener);
 		listener = NULL;
 		ret = 0;
-		cm_listens_destroyed++;
+		atomic_inc(&cm_listens_destroyed);
 	} else {
 		spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
 	}
@@ -3172,7 +3173,7 @@ int nes_create_listen(struct iw_cm_id *cm_id, int backlog)
 			g_cm_core->api->stop_listener(g_cm_core, (void *)cm_node);
 			return err;
 		}
-		cm_listens_created++;
+		atomic_inc(&cm_listens_created);
 	}
 
 	cm_id->add_ref(cm_id);
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index b1c2cbb88f09..925075557dc2 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -748,16 +748,28 @@ static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
 
 	if (hw_rev != NE020_REV) {
 		/* init serdes 0 */
-		if (wide_ppm_offset && (nesadapter->phy_type[0] == NES_PHY_TYPE_CX4))
-			nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL0, 0x000FFFAA);
-		else
+		switch (nesadapter->phy_type[0]) {
+		case NES_PHY_TYPE_CX4:
+			if (wide_ppm_offset)
+				nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL0, 0x000FFFAA);
+			else
+				nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL0, 0x000000FF);
+			break;
+		case NES_PHY_TYPE_KR:
+			nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL0, 0x000000FF);
+			nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_EMP0, 0x00000000);
+			break;
+		case NES_PHY_TYPE_PUMA_1G:
 			nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL0, 0x000000FF);
-
-		if (nesadapter->phy_type[0] == NES_PHY_TYPE_PUMA_1G) {
 			sds = nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0);
 			sds |= 0x00000100;
 			nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0, sds);
+			break;
+		default:
+			nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL0, 0x000000FF);
+			break;
 		}
+
 		if (!OneG_Mode)
 			nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_HIGHZ_LANE_MODE0, 0x11110000);
 
@@ -778,6 +790,9 @@ static int nes_init_serdes(struct nes_device *nesdev, u8 hw_rev, u8 port_count,
 			if (wide_ppm_offset)
 				nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_CDR_CONTROL1, 0x000FFFAA);
 			break;
+		case NES_PHY_TYPE_KR:
+			nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_TX_EMP1, 0x00000000);
+			break;
 		case NES_PHY_TYPE_PUMA_1G:
 			sds = nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL1);
 			sds |= 0x000000100;
@@ -1279,115 +1294,115 @@ int nes_destroy_cqp(struct nes_device *nesdev)
 
 
 /**
- * nes_init_phy
+ * nes_init_1g_phy
  */
-int nes_init_phy(struct nes_device *nesdev)
+int nes_init_1g_phy(struct nes_device *nesdev, u8 phy_type, u8 phy_index)
 {
-	struct nes_adapter *nesadapter = nesdev->nesadapter;
 	u32 counter = 0;
-	u32 sds;
-	u32 mac_index = nesdev->mac_index;
-	u32 tx_config = 0;
 	u16 phy_data;
-	u32 temp_phy_data = 0;
-	u32 temp_phy_data2 = 0;
-	u8  phy_type = nesadapter->phy_type[mac_index];
-	u8  phy_index = nesadapter->phy_index[mac_index];
-
-	if ((nesadapter->OneG_Mode) &&
-	    (phy_type != NES_PHY_TYPE_PUMA_1G)) {
-		nes_debug(NES_DBG_PHY, "1G PHY, mac_index = %d.\n", mac_index);
-		if (phy_type == NES_PHY_TYPE_1G) {
-			tx_config = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONFIG);
-			tx_config &= 0xFFFFFFE3;
-			tx_config |= 0x04;
-			nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config);
-		}
+	int ret = 0;
 
-		nes_read_1G_phy_reg(nesdev, 1, phy_index, &phy_data);
-		nes_write_1G_phy_reg(nesdev, 23, phy_index, 0xb000);
+	nes_read_1G_phy_reg(nesdev, 1, phy_index, &phy_data);
+	nes_write_1G_phy_reg(nesdev, 23, phy_index, 0xb000);
 
-		/* Reset the PHY */
-		nes_write_1G_phy_reg(nesdev, 0, phy_index, 0x8000);
-		udelay(100);
-		counter = 0;
-		do {
-			nes_read_1G_phy_reg(nesdev, 0, phy_index, &phy_data);
-			if (counter++ > 100)
-				break;
-		} while (phy_data & 0x8000);
-
-		/* Setting no phy loopback */
-		phy_data &= 0xbfff;
-		phy_data |= 0x1140;
-		nes_write_1G_phy_reg(nesdev, 0, phy_index,  phy_data);
+	/* Reset the PHY */
+	nes_write_1G_phy_reg(nesdev, 0, phy_index, 0x8000);
+	udelay(100);
+	counter = 0;
+	do {
 		nes_read_1G_phy_reg(nesdev, 0, phy_index, &phy_data);
-		nes_read_1G_phy_reg(nesdev, 0x17, phy_index, &phy_data);
-		nes_read_1G_phy_reg(nesdev, 0x1e, phy_index, &phy_data);
-
-		/* Setting the interrupt mask */
-		nes_read_1G_phy_reg(nesdev, 0x19, phy_index, &phy_data);
-		nes_write_1G_phy_reg(nesdev, 0x19, phy_index, 0xffee);
-		nes_read_1G_phy_reg(nesdev, 0x19, phy_index, &phy_data);
+		if (counter++ > 100) {
+			ret = -1;
+			break;
+		}
+	} while (phy_data & 0x8000);
+
+	/* Setting no phy loopback */
+	phy_data &= 0xbfff;
+	phy_data |= 0x1140;
+	nes_write_1G_phy_reg(nesdev, 0, phy_index,  phy_data);
+	nes_read_1G_phy_reg(nesdev, 0, phy_index, &phy_data);
+	nes_read_1G_phy_reg(nesdev, 0x17, phy_index, &phy_data);
+	nes_read_1G_phy_reg(nesdev, 0x1e, phy_index, &phy_data);
+
+	/* Setting the interrupt mask */
+	nes_read_1G_phy_reg(nesdev, 0x19, phy_index, &phy_data);
+	nes_write_1G_phy_reg(nesdev, 0x19, phy_index, 0xffee);
+	nes_read_1G_phy_reg(nesdev, 0x19, phy_index, &phy_data);
+
+	/* turning on flow control */
+	nes_read_1G_phy_reg(nesdev, 4, phy_index, &phy_data);
+	nes_write_1G_phy_reg(nesdev, 4, phy_index, (phy_data & ~(0x03E0)) | 0xc00);
+	nes_read_1G_phy_reg(nesdev, 4, phy_index, &phy_data);
+
+	/* Clear Half duplex */
+	nes_read_1G_phy_reg(nesdev, 9, phy_index, &phy_data);
+	nes_write_1G_phy_reg(nesdev, 9, phy_index, phy_data & ~(0x0100));
+	nes_read_1G_phy_reg(nesdev, 9, phy_index, &phy_data);
+
+	nes_read_1G_phy_reg(nesdev, 0, phy_index, &phy_data);
+	nes_write_1G_phy_reg(nesdev, 0, phy_index, phy_data | 0x0300);
+
+	return ret;
+}
 
-		/* turning on flow control */
-		nes_read_1G_phy_reg(nesdev, 4, phy_index, &phy_data);
-		nes_write_1G_phy_reg(nesdev, 4, phy_index, (phy_data & ~(0x03E0)) | 0xc00);
-		nes_read_1G_phy_reg(nesdev, 4, phy_index, &phy_data);
 
-		/* Clear Half duplex */
-		nes_read_1G_phy_reg(nesdev, 9, phy_index, &phy_data);
-		nes_write_1G_phy_reg(nesdev, 9, phy_index, phy_data & ~(0x0100));
-		nes_read_1G_phy_reg(nesdev, 9, phy_index, &phy_data);
+/**
+ * nes_init_2025_phy
+ */
+int nes_init_2025_phy(struct nes_device *nesdev, u8 phy_type, u8 phy_index)
+{
+	u32 temp_phy_data = 0;
+	u32 temp_phy_data2 = 0;
+	u32 counter = 0;
+	u32 sds;
+	u32 mac_index = nesdev->mac_index;
+	int ret = 0;
+	unsigned int first_attempt = 1;
 
-		nes_read_1G_phy_reg(nesdev, 0, phy_index, &phy_data);
-		nes_write_1G_phy_reg(nesdev, 0, phy_index, phy_data | 0x0300);
+	/* Check firmware heartbeat */
+	nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7ee);
+	temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
+	udelay(1500);
+	nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7ee);
+	temp_phy_data2 = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
 
-		return 0;
+	if (temp_phy_data != temp_phy_data2) {
+		nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7fd);
+		temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
+		if ((temp_phy_data & 0xff) > 0x20)
+			return 0;
+		printk(PFX "Reinitialize external PHY\n");
 	}
 
-	if ((phy_type == NES_PHY_TYPE_IRIS) ||
-	    (phy_type == NES_PHY_TYPE_ARGUS) ||
-	    (phy_type == NES_PHY_TYPE_SFP_D)) {
-		/* setup 10G MDIO operation */
-		tx_config = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONFIG);
-		tx_config &= 0xFFFFFFE3;
-		tx_config |= 0x15;
-		nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config);
-	}
-	if ((phy_type == NES_PHY_TYPE_ARGUS) ||
-	    (phy_type == NES_PHY_TYPE_SFP_D)) {
-		u32 first_time = 1;
+	/* no heartbeat, configure the PHY */
+	nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0x0000, 0x8000);
+	nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc300, 0x0000);
+	nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc316, 0x000A);
+	nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc318, 0x0052);
 
-		/* Check firmware heartbeat */
-		nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7ee);
-		temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
-		udelay(1500);
-		nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7ee);
-		temp_phy_data2 = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
+	switch (phy_type) {
+	case NES_PHY_TYPE_ARGUS:
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc316, 0x000A);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc318, 0x0052);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x000C);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc319, 0x0008);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0001);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc31a, 0x0098);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0026, 0x0E00);
 
-		if (temp_phy_data != temp_phy_data2) {
-			nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7fd);
-			temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
-			if ((temp_phy_data & 0xff) > 0x20)
-				return 0;
-			printk(PFX "Reinitializing PHY\n");
-		}
+		/* setup LEDs */
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd006, 0x0007);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd007, 0x000A);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd008, 0x0009);
+		break;
 
-		/* no heartbeat, configure the PHY */
-		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0x0000, 0x8000);
-		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc300, 0x0000);
+	case NES_PHY_TYPE_SFP_D:
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc316, 0x000A);
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc318, 0x0052);
-		if (phy_type == NES_PHY_TYPE_ARGUS) {
-			nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x000C);
-			nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc319, 0x0008);
-			nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0001);
-		} else {
-			nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x0004);
-			nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc319, 0x0038);
-			nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0013);
-		}
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x0004);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc319, 0x0038);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0013);
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc31a, 0x0098);
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0026, 0x0E00);
 
@@ -1395,71 +1410,136 @@ int nes_init_phy(struct nes_device *nesdev)
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd006, 0x0007);
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd007, 0x000A);
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd008, 0x0009);
+		break;
 
-		nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0028, 0xA528);
+	case NES_PHY_TYPE_KR:
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc316, 0x000A);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc318, 0x0052);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x000C);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc319, 0x0010);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0013);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc31a, 0x0080);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0026, 0x0E00);
+
+		/* setup LEDs */
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd006, 0x000B);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd007, 0x0003);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd008, 0x0004);
+
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0022, 0x406D);
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0023, 0x0020);
+		break;
+	}
+
+	nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0028, 0xA528);
 
-		/* Bring PHY out of reset */
-		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc300, 0x0002);
+	/* Bring PHY out of reset */
+	nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc300, 0x0002);
 
-		/* Check for heartbeat */
-		counter = 0;
-		mdelay(690);
+	/* Check for heartbeat */
+	counter = 0;
+	mdelay(690);
+	nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7ee);
+	temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
+	do {
+		if (counter++ > 150) {
+			printk(PFX "No PHY heartbeat\n");
+			break;
+		}
+		mdelay(1);
 		nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7ee);
+		temp_phy_data2 = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
+	} while ((temp_phy_data2 == temp_phy_data));
+
+	/* wait for tracking */
+	counter = 0;
+	do {
+		nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7fd);
 		temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
-		do {
-			if (counter++ > 150) {
-				printk(PFX "No PHY heartbeat\n");
+		if (counter++ > 300) {
+			if (((temp_phy_data & 0xff) == 0x0) && first_attempt) {
+				first_attempt = 0;
+				counter = 0;
+				/* reset AMCC PHY and try again */
+				nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0xe854, 0x00c0);
+				nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0xe854, 0x0040);
+				continue;
+			} else {
+				ret = 1;
 				break;
 			}
-			mdelay(1);
-			nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7ee);
-			temp_phy_data2 = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
-		} while ((temp_phy_data2 == temp_phy_data));
-
-		/* wait for tracking */
-		counter = 0;
-		do {
-			nes_read_10G_phy_reg(nesdev, phy_index, 0x3, 0xd7fd);
-			temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
-			if (counter++ > 300) {
-				if (((temp_phy_data & 0xff) == 0x0) && first_time) {
-					first_time = 0;
-					counter = 0;
-					/* reset AMCC PHY and try again */
-					nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0xe854, 0x00c0);
-					nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0xe854, 0x0040);
-					continue;
-				} else {
-					printk(PFX "PHY did not track\n");
-					break;
-				}
-			}
-			mdelay(10);
-		} while ((temp_phy_data & 0xff) < 0x30);
-
-		/* setup signal integrity */
-		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd003, 0x0000);
-		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xF00D, 0x00FE);
-		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xF00E, 0x0032);
+		}
+		mdelay(10);
+	} while ((temp_phy_data & 0xff) < 0x30);
+
+	/* setup signal integrity */
+	nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd003, 0x0000);
+	nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xF00D, 0x00FE);
+	nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xF00E, 0x0032);
+	if (phy_type == NES_PHY_TYPE_KR) {
+		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xF00F, 0x000C);
+	} else {
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xF00F, 0x0002);
 		nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc314, 0x0063);
+	}
+
+	/* reset serdes */
+	sds = nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0 + mac_index * 0x200);
+	sds |= 0x1;
+	nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0 + mac_index * 0x200, sds);
+	sds &= 0xfffffffe;
+	nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0 + mac_index * 0x200, sds);
+
+	counter = 0;
+	while (((nes_read32(nesdev->regs + NES_SOFTWARE_RESET) & 0x00000040) != 0x00000040)
+			&& (counter++ < 5000))
+		;
+
+	return ret;
+}
+
+
+/**
+ * nes_init_phy
+ */
+int nes_init_phy(struct nes_device *nesdev)
+{
+	struct nes_adapter *nesadapter = nesdev->nesadapter;
+	u32 mac_index = nesdev->mac_index;
+	u32 tx_config = 0;
+	unsigned long flags;
+	u8  phy_type = nesadapter->phy_type[mac_index];
+	u8  phy_index = nesadapter->phy_index[mac_index];
+	int ret = 0;
 
-		/* reset serdes */
-		sds = nes_read_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0 +
-				       mac_index * 0x200);
-		sds |= 0x1;
-		nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0 +
-				  mac_index * 0x200, sds);
-		sds &= 0xfffffffe;
-		nes_write_indexed(nesdev, NES_IDX_ETH_SERDES_COMMON_CONTROL0 +
-				  mac_index * 0x200, sds);
-
-		counter = 0;
-		while (((nes_read32(nesdev->regs + NES_SOFTWARE_RESET) & 0x00000040) != 0x00000040)
-				&& (counter++ < 5000))
-			;
+	tx_config = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONFIG);
+	if (phy_type == NES_PHY_TYPE_1G) {
+		/* setup 1G MDIO operation */
+		tx_config &= 0xFFFFFFE3;
+		tx_config |= 0x04;
+	} else {
+		/* setup 10G MDIO operation */
+		tx_config &= 0xFFFFFFE3;
+		tx_config |= 0x15;
 	}
-	return 0;
+	nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config);
+
+	spin_lock_irqsave(&nesdev->nesadapter->phy_lock, flags);
+
+	switch (phy_type) {
+	case NES_PHY_TYPE_1G:
+		ret = nes_init_1g_phy(nesdev, phy_type, phy_index);
+		break;
+	case NES_PHY_TYPE_ARGUS:
+	case NES_PHY_TYPE_SFP_D:
+	case NES_PHY_TYPE_KR:
+		ret = nes_init_2025_phy(nesdev, phy_type, phy_index);
+		break;
+	}
+
+	spin_unlock_irqrestore(&nesdev->nesadapter->phy_lock, flags);
+
+	return ret;
 }
 
 
@@ -1819,9 +1899,14 @@ void nes_destroy_nic_qp(struct nes_vnic *nesvnic)
 	u16  wqe_fragment_index;
 	u64 wqe_frag;
 	u32 cqp_head;
+	u32 wqm_cfg0;
 	unsigned long flags;
 	int ret;
 
+	/* clear wqe stall before destroying NIC QP */
+	wqm_cfg0 = nes_read_indexed(nesdev, NES_IDX_WQM_CONFIG0);
+	nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG0, wqm_cfg0 & 0xFFFF7FFF);
+
 	/* Free remaining NIC receive buffers */
 	while (nesvnic->nic.rq_head != nesvnic->nic.rq_tail) {
 		nic_rqe   = &nesvnic->nic.rq_vbase[nesvnic->nic.rq_tail];
@@ -1940,6 +2025,9 @@ void nes_destroy_nic_qp(struct nes_vnic *nesvnic)
 
 	pci_free_consistent(nesdev->pcidev, nesvnic->nic_mem_size, nesvnic->nic_vbase,
 			nesvnic->nic_pbase);
+
+	/* restore old wqm_cfg0 value */
+	nes_write_indexed(nesdev, NES_IDX_WQM_CONFIG0, wqm_cfg0);
 }
 
 /**
@@ -2460,23 +2548,9 @@ static void nes_process_mac_intr(struct nes_device *nesdev, u32 mac_number)
 			}
 		} else {
 			switch (nesadapter->phy_type[mac_index]) {
-			case NES_PHY_TYPE_IRIS:
-				nes_read_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 1, 1);
-				temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
-				u32temp = 20;
-				do {
-					nes_read_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 1, 1);
-					phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
-					if ((phy_data == temp_phy_data) || (!(--u32temp)))
-						break;
-					temp_phy_data = phy_data;
-				} while (1);
-				nes_debug(NES_DBG_PHY, "%s: Phy data = 0x%04X, link was %s.\n",
-					__func__, phy_data, nesadapter->mac_link_down[mac_index] ? "DOWN" : "UP");
-				break;
-
 			case NES_PHY_TYPE_ARGUS:
 			case NES_PHY_TYPE_SFP_D:
+			case NES_PHY_TYPE_KR:
 				/* clear the alarms */
 				nes_read_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 4, 0x0008);
 				nes_read_10G_phy_reg(nesdev, nesadapter->phy_index[mac_index], 4, 0xc001);
@@ -3352,8 +3426,6 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 	u16 async_event_id;
 	u8 tcp_state;
 	u8 iwarp_state;
-	int must_disconn = 1;
-	int must_terminate = 0;
 	struct ib_event ibevent;
 
 	nes_debug(NES_DBG_AEQ, "\n");
@@ -3367,6 +3439,8 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 		BUG_ON(!context);
 	}
 
+	/* context is nesqp unless async_event_id == CQ ERROR */
+	nesqp = (struct nes_qp *)(unsigned long)context;
 	async_event_id = (u16)aeq_info;
 	tcp_state = (aeq_info & NES_AEQE_TCP_STATE_MASK) >> NES_AEQE_TCP_STATE_SHIFT;
 	iwarp_state = (aeq_info & NES_AEQE_IWARP_STATE_MASK) >> NES_AEQE_IWARP_STATE_SHIFT;
@@ -3378,8 +3452,6 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 
 	switch (async_event_id) {
 		case NES_AEQE_AEID_LLP_FIN_RECEIVED:
-			nesqp = (struct nes_qp *)(unsigned long)context;
-
 			if (nesqp->term_flags)
 				return; /* Ignore it, wait for close complete */
 
@@ -3394,79 +3466,48 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 						async_event_id, nesqp->last_aeq, tcp_state);
 			}
 
-			if ((tcp_state != NES_AEQE_TCP_STATE_CLOSE_WAIT) ||
-					(nesqp->ibqp_state != IB_QPS_RTS)) {
-				/* FIN Received but tcp state or IB state moved on,
-						should expect a	close complete */
-				return;
-			}
-
+			break;
 		case NES_AEQE_AEID_LLP_CLOSE_COMPLETE:
-			nesqp = (struct nes_qp *)(unsigned long)context;
 			if (nesqp->term_flags) {
 				nes_terminate_done(nesqp, 0);
 				return;
 			}
+			spin_lock_irqsave(&nesqp->lock, flags);
+			nesqp->hw_iwarp_state = NES_AEQE_IWARP_STATE_CLOSING;
+			spin_unlock_irqrestore(&nesqp->lock, flags);
+			nes_hw_modify_qp(nesdev, nesqp, NES_CQP_QP_IWARP_STATE_CLOSING, 0, 0);
+			nes_cm_disconn(nesqp);
+			break;
 
-		case NES_AEQE_AEID_LLP_CONNECTION_RESET:
 		case NES_AEQE_AEID_RESET_SENT:
-			nesqp = (struct nes_qp *)(unsigned long)context;
-			if (async_event_id == NES_AEQE_AEID_RESET_SENT) {
-				tcp_state = NES_AEQE_TCP_STATE_CLOSED;
-			}
+			tcp_state = NES_AEQE_TCP_STATE_CLOSED;
 			spin_lock_irqsave(&nesqp->lock, flags);
 			nesqp->hw_iwarp_state = iwarp_state;
 			nesqp->hw_tcp_state = tcp_state;
 			nesqp->last_aeq = async_event_id;
-
-			if ((tcp_state == NES_AEQE_TCP_STATE_CLOSED) ||
-					(tcp_state == NES_AEQE_TCP_STATE_TIME_WAIT)) {
-				nesqp->hte_added = 0;
-				next_iwarp_state = NES_CQP_QP_IWARP_STATE_ERROR | NES_CQP_QP_DEL_HTE;
-			}
-
-			if ((nesqp->ibqp_state == IB_QPS_RTS) &&
-					((tcp_state == NES_AEQE_TCP_STATE_CLOSE_WAIT) ||
-					(async_event_id == NES_AEQE_AEID_LLP_CONNECTION_RESET))) {
-				switch (nesqp->hw_iwarp_state) {
-					case NES_AEQE_IWARP_STATE_RTS:
-						next_iwarp_state = NES_CQP_QP_IWARP_STATE_CLOSING;
-						nesqp->hw_iwarp_state = NES_AEQE_IWARP_STATE_CLOSING;
-						break;
-					case NES_AEQE_IWARP_STATE_TERMINATE:
-						must_disconn = 0; /* terminate path takes care of disconn */
-						if (nesqp->term_flags == 0)
-							must_terminate = 1;
-						break;
-				}
-			} else {
-				if (async_event_id ==  NES_AEQE_AEID_LLP_FIN_RECEIVED) {
-					/* FIN Received but ib state not RTS,
-							close complete will be on its way */
-					must_disconn = 0;
-				}
-			}
+			nesqp->hte_added = 0;
 			spin_unlock_irqrestore(&nesqp->lock, flags);
+			next_iwarp_state = NES_CQP_QP_IWARP_STATE_ERROR | NES_CQP_QP_DEL_HTE;
+			nes_hw_modify_qp(nesdev, nesqp, next_iwarp_state, 0, 0);
+			nes_cm_disconn(nesqp);
+			break;
 
-			if (must_terminate)
-				nes_terminate_connection(nesdev, nesqp, aeqe, IB_EVENT_QP_FATAL);
-			else if (must_disconn) {
-				if (next_iwarp_state) {
-					nes_debug(NES_DBG_AEQ, "issuing hw modifyqp for QP%u. next state = 0x%08X\n",
-						  nesqp->hwqp.qp_id, next_iwarp_state);
-					nes_hw_modify_qp(nesdev, nesqp, next_iwarp_state, 0, 0);
-				}
-				nes_cm_disconn(nesqp);
-			}
+		case NES_AEQE_AEID_LLP_CONNECTION_RESET:
+			if (atomic_read(&nesqp->close_timer_started))
+				return;
+			spin_lock_irqsave(&nesqp->lock, flags);
+			nesqp->hw_iwarp_state = iwarp_state;
+			nesqp->hw_tcp_state = tcp_state;
+			nesqp->last_aeq = async_event_id;
+			spin_unlock_irqrestore(&nesqp->lock, flags);
+			nes_cm_disconn(nesqp);
 			break;
 
 		case NES_AEQE_AEID_TERMINATE_SENT:
-			nesqp = (struct nes_qp *)(unsigned long)context;
 			nes_terminate_send_fin(nesdev, nesqp, aeqe);
 			break;
 
 		case NES_AEQE_AEID_LLP_TERMINATE_RECEIVED:
-			nesqp = (struct nes_qp *)(unsigned long)context;
 			nes_terminate_received(nesdev, nesqp, aeqe);
 			break;
 
@@ -3480,7 +3521,8 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 		case NES_AEQE_AEID_DDP_UBE_DDP_MESSAGE_TOO_LONG_FOR_AVAILABLE_BUFFER:
 		case NES_AEQE_AEID_AMP_BOUNDS_VIOLATION:
 		case NES_AEQE_AEID_AMP_TO_WRAP:
-			nesqp = (struct nes_qp *)(unsigned long)context;
+			printk(KERN_ERR PFX "QP[%u] async_event_id=0x%04X IB_EVENT_QP_ACCESS_ERR\n",
+					nesqp->hwqp.qp_id, async_event_id);
 			nes_terminate_connection(nesdev, nesqp, aeqe, IB_EVENT_QP_ACCESS_ERR);
 			break;
 
@@ -3488,7 +3530,6 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 		case NES_AEQE_AEID_LLP_SEGMENT_TOO_SMALL:
 		case NES_AEQE_AEID_DDP_UBE_INVALID_MO:
 		case NES_AEQE_AEID_DDP_UBE_INVALID_QN:
-			nesqp = (struct nes_qp *)(unsigned long)context;
 			if (iwarp_opcode(nesqp, aeq_info) > IWARP_OPCODE_TERM) {
 				aeq_info &= 0xffff0000;
 				aeq_info |= NES_AEQE_AEID_RDMAP_ROE_UNEXPECTED_OPCODE;
@@ -3530,7 +3571,8 @@ static void nes_process_iwarp_aeqe(struct nes_device *nesdev,
 		case NES_AEQE_AEID_STAG_ZERO_INVALID:
 		case NES_AEQE_AEID_ROE_INVALID_RDMA_READ_REQUEST:
 		case NES_AEQE_AEID_ROE_INVALID_RDMA_WRITE_OR_READ_RESP:
-			nesqp = (struct nes_qp *)(unsigned long)context;
+			printk(KERN_ERR PFX "QP[%u] async_event_id=0x%04X IB_EVENT_QP_FATAL\n",
+					nesqp->hwqp.qp_id, async_event_id);
 			nes_terminate_connection(nesdev, nesqp, aeqe, IB_EVENT_QP_FATAL);
 			break;
 
diff --git a/drivers/infiniband/hw/nes/nes_hw.h b/drivers/infiniband/hw/nes/nes_hw.h
index 084be0ee689b..bbbfe9fc5a5a 100644
--- a/drivers/infiniband/hw/nes/nes_hw.h
+++ b/drivers/infiniband/hw/nes/nes_hw.h
@@ -37,12 +37,12 @@
 
 #define NES_PHY_TYPE_CX4       1
 #define NES_PHY_TYPE_1G        2
-#define NES_PHY_TYPE_IRIS      3
 #define NES_PHY_TYPE_ARGUS     4
 #define NES_PHY_TYPE_PUMA_1G   5
 #define NES_PHY_TYPE_PUMA_10G  6
 #define NES_PHY_TYPE_GLADIUS   7
 #define NES_PHY_TYPE_SFP_D     8
+#define NES_PHY_TYPE_KR	       9
 
 #define NES_MULTICAST_PF_MAX 8
 
@@ -160,6 +160,7 @@ enum indexed_regs {
 	NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI = 0x7004,
 	NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO = 0x7008,
 	NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI = 0x700c,
+	NES_IDX_WQM_CONFIG0 = 0x5000,
 	NES_IDX_WQM_CONFIG1 = 0x5004,
 	NES_IDX_CM_CONFIG = 0x5100,
 	NES_IDX_NIC_LOGPORT_TO_PHYPORT = 0x6000,
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index 9384f5d3d33b..91fdde382e82 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -1243,8 +1243,8 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
 	target_stat_values[++index] = cm_packets_received;
 	target_stat_values[++index] = cm_packets_dropped;
 	target_stat_values[++index] = cm_packets_retrans;
-	target_stat_values[++index] = cm_listens_created;
-	target_stat_values[++index] = cm_listens_destroyed;
+	target_stat_values[++index] = atomic_read(&cm_listens_created);
+	target_stat_values[++index] = atomic_read(&cm_listens_destroyed);
 	target_stat_values[++index] = cm_backlog_drops;
 	target_stat_values[++index] = atomic_read(&cm_loopbacks);
 	target_stat_values[++index] = atomic_read(&cm_nodes_created);
@@ -1474,9 +1474,9 @@ static int nes_netdev_get_settings(struct net_device *netdev, struct ethtool_cmd
 		}
 		return 0;
 	}
-	if ((phy_type == NES_PHY_TYPE_IRIS) ||
-	    (phy_type == NES_PHY_TYPE_ARGUS) ||
-	    (phy_type == NES_PHY_TYPE_SFP_D)) {
+	if ((phy_type == NES_PHY_TYPE_ARGUS) ||
+	    (phy_type == NES_PHY_TYPE_SFP_D) ||
+	    (phy_type == NES_PHY_TYPE_KR)) {
 		et_cmd->transceiver = XCVR_EXTERNAL;
 		et_cmd->port        = PORT_FIBRE;
 		et_cmd->supported   = SUPPORTED_FIBRE;
@@ -1595,9 +1595,7 @@ struct net_device *nes_netdev_init(struct nes_device *nesdev,
 	struct nes_vnic *nesvnic;
 	struct net_device *netdev;
 	struct nic_qp_map *curr_qp_map;
-	u32 u32temp;
-	u16 phy_data;
-	u16 temp_phy_data;
+	u8 phy_type = nesdev->nesadapter->phy_type[nesdev->mac_index];
 
 	netdev = alloc_etherdev(sizeof(struct nes_vnic));
 	if (!netdev) {
@@ -1705,66 +1703,51 @@ struct net_device *nes_netdev_init(struct nes_device *nesdev,
 
 	if ((nesdev->netdev_count == 0) &&
 	    ((PCI_FUNC(nesdev->pcidev->devfn) == nesdev->mac_index) ||
-	     ((nesdev->nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_PUMA_1G) &&
+	     ((phy_type == NES_PHY_TYPE_PUMA_1G) &&
 	      (((PCI_FUNC(nesdev->pcidev->devfn) == 1) && (nesdev->mac_index == 2)) ||
 	       ((PCI_FUNC(nesdev->pcidev->devfn) == 2) && (nesdev->mac_index == 1)))))) {
-		/*
-		 * nes_debug(NES_DBG_INIT, "Setting up PHY interrupt mask. Using register index 0x%04X\n",
-		 *		NES_IDX_PHY_PCS_CONTROL_STATUS0 + (0x200 * (nesvnic->logical_port & 1)));
-		 */
+		u32 u32temp;
+		u32 link_mask;
+		u32 link_val;
+
 		u32temp = nes_read_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 +
 				(0x200 * (nesdev->mac_index & 1)));
-		if (nesdev->nesadapter->phy_type[nesdev->mac_index] != NES_PHY_TYPE_PUMA_1G) {
+		if (phy_type != NES_PHY_TYPE_PUMA_1G) {
 			u32temp |= 0x00200000;
 			nes_write_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 +
 				(0x200 * (nesdev->mac_index & 1)), u32temp);
 		}
 
-		u32temp = nes_read_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 +
-				(0x200 * (nesdev->mac_index & 1)));
-
-		if ((u32temp&0x0f1f0000) == 0x0f0f0000) {
-			if (nesdev->nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_IRIS) {
-				nes_init_phy(nesdev);
-				nes_read_10G_phy_reg(nesdev, nesdev->nesadapter->phy_index[nesdev->mac_index], 1, 1);
-				temp_phy_data = (u16)nes_read_indexed(nesdev,
-									NES_IDX_MAC_MDIO_CONTROL);
-				u32temp = 20;
-				do {
-					nes_read_10G_phy_reg(nesdev, nesdev->nesadapter->phy_index[nesdev->mac_index], 1, 1);
-					phy_data = (u16)nes_read_indexed(nesdev,
-									NES_IDX_MAC_MDIO_CONTROL);
-					if ((phy_data == temp_phy_data) || (!(--u32temp)))
-						break;
-					temp_phy_data = phy_data;
-				} while (1);
-				if (phy_data & 4) {
-					nes_debug(NES_DBG_INIT, "The Link is UP!!.\n");
-					nesvnic->linkup = 1;
-				} else {
-					nes_debug(NES_DBG_INIT, "The Link is DOWN!!.\n");
-				}
+		/* Check and set linkup here.  This is for back to back */
+		/* configuration where second port won't get link interrupt */
+		switch (phy_type) {
+		case NES_PHY_TYPE_PUMA_1G:
+			if (nesdev->mac_index < 2) {
+				link_mask = 0x01010000;
+				link_val = 0x01010000;
 			} else {
-				nes_debug(NES_DBG_INIT, "The Link is UP!!.\n");
-				nesvnic->linkup = 1;
-			}
-		} else if (nesdev->nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_PUMA_1G) {
-			nes_debug(NES_DBG_INIT, "mac_index=%d, logical_port=%d, u32temp=0x%04X, PCI_FUNC=%d\n",
-				nesdev->mac_index, nesvnic->logical_port, u32temp, PCI_FUNC(nesdev->pcidev->devfn));
-			if (((nesdev->mac_index < 2) && ((u32temp&0x01010000) == 0x01010000)) ||
-			    ((nesdev->mac_index > 1) && ((u32temp&0x02020000) == 0x02020000)))  {
-				nes_debug(NES_DBG_INIT, "The Link is UP!!.\n");
-				nesvnic->linkup = 1;
+				link_mask = 0x02020000;
+				link_val = 0x02020000;
 			}
+			break;
+		default:
+			link_mask = 0x0f1f0000;
+			link_val = 0x0f0f0000;
+			break;
 		}
+
+		u32temp = nes_read_indexed(nesdev,
+					   NES_IDX_PHY_PCS_CONTROL_STATUS0 +
+					   (0x200 * (nesdev->mac_index & 1)));
+		if ((u32temp & link_mask) == link_val)
+			nesvnic->linkup = 1;
+
 		/* clear the MAC interrupt status, assumes direct logical to physical mapping */
 		u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index));
 		nes_debug(NES_DBG_INIT, "Phy interrupt status = 0x%X.\n", u32temp);
 		nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index), u32temp);
 
-		if (nesdev->nesadapter->phy_type[nesdev->mac_index] != NES_PHY_TYPE_IRIS)
-			nes_init_phy(nesdev);
-
+		nes_init_phy(nesdev);
 	}
 
 	return netdev;
diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c
index 64d3136e3747..69928296d74b 100644
--- a/drivers/infiniband/hw/nes/nes_verbs.c
+++ b/drivers/infiniband/hw/nes/nes_verbs.c
@@ -228,7 +228,7 @@ static int nes_bind_mw(struct ib_qp *ibqp, struct ib_mw *ibmw,
 	/* Check for SQ overflow */
 	if (((head + (2 * qsize) - nesqp->hwqp.sq_tail) % qsize) == (qsize - 1)) {
 		spin_unlock_irqrestore(&nesqp->lock, flags);
-		return -EINVAL;
+		return -ENOMEM;
 	}
 
 	wqe = &nesqp->hwqp.sq_vbase[head];
@@ -1323,6 +1323,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd,
 			nesqp->nesqp_context->aeq_token_low =  cpu_to_le32((u32)((unsigned long)(nesqp)));
 			nesqp->nesqp_context->aeq_token_high =  cpu_to_le32((u32)(upper_32_bits((unsigned long)(nesqp))));
 			nesqp->nesqp_context->ird_ord_sizes = cpu_to_le32(NES_QPCONTEXT_ORDIRD_ALSMM |
+					NES_QPCONTEXT_ORDIRD_AAH |
 					((((u32)nesadapter->max_irrq_wr) <<
 					NES_QPCONTEXT_ORDIRD_IRDSIZE_SHIFT) & NES_QPCONTEXT_ORDIRD_IRDSIZE_MASK));
 			if (disable_mpa_crc) {
@@ -3294,7 +3295,7 @@ static int nes_post_send(struct ib_qp *ibqp, struct ib_send_wr *ib_wr,
 
 		/* Check for SQ overflow */
 		if (((head + (2 * qsize) - nesqp->hwqp.sq_tail) % qsize) == (qsize - 1)) {
-			err = -EINVAL;
+			err = -ENOMEM;
 			break;
 		}
 
@@ -3577,7 +3578,7 @@ static int nes_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *ib_wr,
 		}
 		/* Check for RQ overflow */
 		if (((head + (2 * qsize) - nesqp->hwqp.rq_tail) % qsize) == (qsize - 1)) {
-			err = -EINVAL;
+			err = -ENOMEM;
 			break;
 		}
 
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 83a7751c38d6..bc658373ad55 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -708,6 +708,7 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
 	struct ipoib_cm_tx_buf *tx_req;
 	u64 addr;
+	int rc;
 
 	if (unlikely(skb->len > tx->mtu)) {
 		ipoib_warn(priv, "packet len %d (> %d) too long to send, dropping\n",
@@ -739,9 +740,10 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
 
 	tx_req->mapping = addr;
 
-	if (unlikely(post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1),
-			       addr, skb->len))) {
-		ipoib_warn(priv, "post_send failed\n");
+	rc = post_send(priv, tx, tx->tx_head & (ipoib_sendq_size - 1),
+		       addr, skb->len);
+	if (unlikely(rc)) {
+		ipoib_warn(priv, "post_send failed, error %d\n", rc);
 		++dev->stats.tx_errors;
 		ib_dma_unmap_single(priv->ca, addr, skb->len, DMA_TO_DEVICE);
 		dev_kfree_skb_any(skb);
@@ -752,6 +754,8 @@ void ipoib_cm_send(struct net_device *dev, struct sk_buff *skb, struct ipoib_cm_
 		if (++priv->tx_outstanding == ipoib_sendq_size) {
 			ipoib_dbg(priv, "TX ring 0x%x full, stopping kernel net queue\n",
 				  tx->qp->qp_num);
+			if (ib_req_notify_cq(priv->send_cq, IB_CQ_NEXT_COMP))
+				ipoib_warn(priv, "request notify on send CQ failed\n");
 			netif_stop_queue(dev);
 		}
 	}
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
index e9795f60e5d6..d10b4ec68d28 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
@@ -55,9 +55,7 @@ static int ipoib_get_coalesce(struct net_device *dev,
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
 
 	coal->rx_coalesce_usecs = priv->ethtool.coalesce_usecs;
-	coal->tx_coalesce_usecs = priv->ethtool.coalesce_usecs;
 	coal->rx_max_coalesced_frames = priv->ethtool.max_coalesced_frames;
-	coal->tx_max_coalesced_frames = priv->ethtool.max_coalesced_frames;
 
 	return 0;
 }
@@ -69,10 +67,8 @@ static int ipoib_set_coalesce(struct net_device *dev,
 	int ret;
 
 	/*
-	 * Since IPoIB uses a single CQ for both rx and tx, we assume
-	 * that rx params dictate the configuration.  These values are
-	 * saved in the private data and returned when ipoib_get_coalesce()
-	 * is called.
+	 * These values are saved in the private data and returned
+	 * when ipoib_get_coalesce() is called
 	 */
 	if (coal->rx_coalesce_usecs       > 0xffff ||
 	    coal->rx_max_coalesced_frames > 0xffff)
@@ -85,8 +81,6 @@ static int ipoib_set_coalesce(struct net_device *dev,
 		return ret;
 	}
 
-	coal->tx_coalesce_usecs       = coal->rx_coalesce_usecs;
-	coal->tx_max_coalesced_frames = coal->rx_max_coalesced_frames;
 	priv->ethtool.coalesce_usecs       = coal->rx_coalesce_usecs;
 	priv->ethtool.max_coalesced_frames = coal->rx_max_coalesced_frames;
 
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ib.c b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
index 8c91d9f37ada..5df40b128f81 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ib.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ib.c
@@ -529,7 +529,7 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb,
 {
 	struct ipoib_dev_priv *priv = netdev_priv(dev);
 	struct ipoib_tx_buf *tx_req;
-	int hlen;
+	int hlen, rc;
 	void *phead;
 
 	if (skb_is_gso(skb)) {
@@ -585,9 +585,10 @@ void ipoib_send(struct net_device *dev, struct sk_buff *skb,
 		netif_stop_queue(dev);
 	}
 
-	if (unlikely(post_send(priv, priv->tx_head & (ipoib_sendq_size - 1),
-			       address->ah, qpn, tx_req, phead, hlen))) {
-		ipoib_warn(priv, "post_send failed\n");
+	rc = post_send(priv, priv->tx_head & (ipoib_sendq_size - 1),
+		       address->ah, qpn, tx_req, phead, hlen);
+	if (unlikely(rc)) {
+		ipoib_warn(priv, "post_send failed, error %d\n", rc);
 		++dev->stats.tx_errors;
 		--priv->tx_outstanding;
 		ipoib_dma_unmap_tx(priv->ca, tx_req);
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 5f7a6fca0a4d..e78af36d3a0e 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -128,6 +128,28 @@ static int iscsi_iser_pdu_alloc(struct iscsi_task *task, uint8_t opcode)
 	return 0;
 }
 
+int iser_initialize_task_headers(struct iscsi_task *task,
+						struct iser_tx_desc *tx_desc)
+{
+	struct iscsi_iser_conn *iser_conn = task->conn->dd_data;
+	struct iser_device     *device    = iser_conn->ib_conn->device;
+	struct iscsi_iser_task *iser_task = task->dd_data;
+	u64 dma_addr;
+
+	dma_addr = ib_dma_map_single(device->ib_device, (void *)tx_desc,
+				ISER_HEADERS_LEN, DMA_TO_DEVICE);
+	if (ib_dma_mapping_error(device->ib_device, dma_addr))
+		return -ENOMEM;
+
+	tx_desc->dma_addr = dma_addr;
+	tx_desc->tx_sg[0].addr   = tx_desc->dma_addr;
+	tx_desc->tx_sg[0].length = ISER_HEADERS_LEN;
+	tx_desc->tx_sg[0].lkey   = device->mr->lkey;
+
+	iser_task->headers_initialized	= 1;
+	iser_task->iser_conn		= iser_conn;
+	return 0;
+}
 /**
  * iscsi_iser_task_init - Initialize task
  * @task: iscsi task
@@ -137,17 +159,17 @@ static int iscsi_iser_pdu_alloc(struct iscsi_task *task, uint8_t opcode)
 static int
 iscsi_iser_task_init(struct iscsi_task *task)
 {
-	struct iscsi_iser_conn *iser_conn  = task->conn->dd_data;
 	struct iscsi_iser_task *iser_task = task->dd_data;
 
+	if (!iser_task->headers_initialized)
+		if (iser_initialize_task_headers(task, &iser_task->desc))
+			return -ENOMEM;
+
 	/* mgmt task */
-	if (!task->sc) {
-		iser_task->desc.data = task->data;
+	if (!task->sc)
 		return 0;
-	}
 
 	iser_task->command_sent = 0;
-	iser_task->iser_conn    = iser_conn;
 	iser_task_rdma_init(iser_task);
 	return 0;
 }
@@ -168,7 +190,7 @@ iscsi_iser_mtask_xmit(struct iscsi_conn *conn, struct iscsi_task *task)
 {
 	int error = 0;
 
-	iser_dbg("task deq [cid %d itt 0x%x]\n", conn->id, task->itt);
+	iser_dbg("mtask xmit [cid %d itt 0x%x]\n", conn->id, task->itt);
 
 	error = iser_send_control(conn, task);
 
@@ -178,9 +200,6 @@ iscsi_iser_mtask_xmit(struct iscsi_conn *conn, struct iscsi_task *task)
 	 * - if yes, the task is recycled at iscsi_complete_pdu
 	 * - if no,  the task is recycled at iser_snd_completion
 	 */
-	if (error && error != -ENOBUFS)
-		iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
-
 	return error;
 }
 
@@ -232,7 +251,7 @@ iscsi_iser_task_xmit(struct iscsi_task *task)
 			   task->imm_count, task->unsol_r2t.data_length);
 	}
 
-	iser_dbg("task deq [cid %d itt 0x%x]\n",
+	iser_dbg("ctask xmit [cid %d itt 0x%x]\n",
 		   conn->id, task->itt);
 
 	/* Send the cmd PDU */
@@ -248,8 +267,6 @@ iscsi_iser_task_xmit(struct iscsi_task *task)
 		error = iscsi_iser_task_xmit_unsol_data(conn, task);
 
  iscsi_iser_task_xmit_exit:
-	if (error && error != -ENOBUFS)
-		iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED);
 	return error;
 }
 
@@ -283,7 +300,7 @@ iscsi_iser_conn_create(struct iscsi_cls_session *cls_session, uint32_t conn_idx)
 	 * due to issues with the login code re iser sematics
 	 * this not set in iscsi_conn_setup - FIXME
 	 */
-	conn->max_recv_dlength = 128;
+	conn->max_recv_dlength = ISER_RECV_DATA_SEG_LEN;
 
 	iser_conn = conn->dd_data;
 	conn->dd_data = iser_conn;
@@ -401,7 +418,7 @@ iscsi_iser_session_create(struct iscsi_endpoint *ep,
 	struct Scsi_Host *shost;
 	struct iser_conn *ib_conn;
 
-	shost = iscsi_host_alloc(&iscsi_iser_sht, 0, 1);
+	shost = iscsi_host_alloc(&iscsi_iser_sht, 0, 0);
 	if (!shost)
 		return NULL;
 	shost->transportt = iscsi_iser_scsi_transport;
@@ -596,7 +613,7 @@ static struct scsi_host_template iscsi_iser_sht = {
 	.cmd_per_lun            = ISER_DEF_CMD_PER_LUN,
 	.eh_abort_handler       = iscsi_eh_abort,
 	.eh_device_reset_handler= iscsi_eh_device_reset,
-	.eh_target_reset_handler= iscsi_eh_target_reset,
+	.eh_target_reset_handler = iscsi_eh_recover_target,
 	.target_alloc		= iscsi_target_alloc,
 	.use_clustering         = DISABLE_CLUSTERING,
 	.proc_name              = "iscsi_iser",
@@ -675,7 +692,7 @@ static int __init iser_init(void)
 	memset(&ig, 0, sizeof(struct iser_global));
 
 	ig.desc_cache = kmem_cache_create("iser_descriptors",
-					  sizeof (struct iser_desc),
+					  sizeof(struct iser_tx_desc),
 					  0, SLAB_HWCACHE_ALIGN,
 					  NULL);
 	if (ig.desc_cache == NULL)
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index 9d529cae1f0d..036934cdcb92 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -102,9 +102,9 @@
 #define ISER_MAX_TX_MISC_PDUS		6 /* NOOP_OUT(2), TEXT(1),         *
 					   * SCSI_TMFUNC(2), LOGOUT(1) */
 
-#define ISER_QP_MAX_RECV_DTOS		(ISCSI_DEF_XMIT_CMDS_MAX + \
-					ISER_MAX_RX_MISC_PDUS    +  \
-					ISER_MAX_TX_MISC_PDUS)
+#define ISER_QP_MAX_RECV_DTOS		(ISCSI_DEF_XMIT_CMDS_MAX)
+
+#define ISER_MIN_POSTED_RX		(ISCSI_DEF_XMIT_CMDS_MAX >> 2)
 
 /* the max TX (send) WR supported by the iSER QP is defined by                 *
  * max_send_wr = T * (1 + D) + C ; D is how many inflight dataouts we expect   *
@@ -132,6 +132,12 @@ struct iser_hdr {
 	__be64  read_va;
 } __attribute__((packed));
 
+/* Constant PDU lengths calculations */
+#define ISER_HEADERS_LEN  (sizeof(struct iser_hdr) + sizeof(struct iscsi_hdr))
+
+#define ISER_RECV_DATA_SEG_LEN	128
+#define ISER_RX_PAYLOAD_SIZE	(ISER_HEADERS_LEN + ISER_RECV_DATA_SEG_LEN)
+#define ISER_RX_LOGIN_SIZE	(ISER_HEADERS_LEN + ISCSI_DEF_MAX_RECV_SEG_LEN)
 
 /* Length of an object name string */
 #define ISER_OBJECT_NAME_SIZE		    64
@@ -187,51 +193,43 @@ struct iser_regd_buf {
 	struct iser_mem_reg     reg;        /* memory registration info        */
 	void                    *virt_addr;
 	struct iser_device      *device;    /* device->device for dma_unmap    */
-	u64                     dma_addr;   /* if non zero, addr for dma_unmap */
 	enum dma_data_direction direction;  /* direction for dma_unmap	       */
 	unsigned int            data_size;
-	atomic_t                ref_count;  /* refcount, freed when dec to 0   */
-};
-
-#define MAX_REGD_BUF_VECTOR_LEN	2
-
-struct iser_dto {
-	struct iscsi_iser_task *task;
-	struct iser_conn *ib_conn;
-	int                        notify_enable;
-
-	/* vector of registered buffers */
-	unsigned int               regd_vector_len;
-	struct iser_regd_buf       *regd[MAX_REGD_BUF_VECTOR_LEN];
-
-	/* offset into the registered buffer may be specified */
-	unsigned int               offset[MAX_REGD_BUF_VECTOR_LEN];
-
-	/* a smaller size may be specified, if 0, then full size is used */
-	unsigned int               used_sz[MAX_REGD_BUF_VECTOR_LEN];
 };
 
 enum iser_desc_type {
-	ISCSI_RX,
 	ISCSI_TX_CONTROL ,
 	ISCSI_TX_SCSI_COMMAND,
 	ISCSI_TX_DATAOUT
 };
 
-struct iser_desc {
+struct iser_tx_desc {
 	struct iser_hdr              iser_header;
 	struct iscsi_hdr             iscsi_header;
-	struct iser_regd_buf         hdr_regd_buf;
-	void                         *data;         /* used by RX & TX_CONTROL */
-	struct iser_regd_buf         data_regd_buf; /* used by RX & TX_CONTROL */
 	enum   iser_desc_type        type;
-	struct iser_dto              dto;
+	u64		             dma_addr;
+	/* sg[0] points to iser/iscsi headers, sg[1] optionally points to either
+	of immediate data, unsolicited data-out or control (login,text) */
+	struct ib_sge		     tx_sg[2];
+	int                          num_sge;
 };
 
+#define ISER_RX_PAD_SIZE	(256 - (ISER_RX_PAYLOAD_SIZE + \
+					sizeof(u64) + sizeof(struct ib_sge)))
+struct iser_rx_desc {
+	struct iser_hdr              iser_header;
+	struct iscsi_hdr             iscsi_header;
+	char		             data[ISER_RECV_DATA_SEG_LEN];
+	u64		             dma_addr;
+	struct ib_sge		     rx_sg;
+	char		             pad[ISER_RX_PAD_SIZE];
+} __attribute__((packed));
+
 struct iser_device {
 	struct ib_device             *ib_device;
 	struct ib_pd	             *pd;
-	struct ib_cq	             *cq;
+	struct ib_cq	             *rx_cq;
+	struct ib_cq	             *tx_cq;
 	struct ib_mr	             *mr;
 	struct tasklet_struct	     cq_tasklet;
 	struct list_head             ig_list; /* entry in ig devices list */
@@ -250,15 +248,18 @@ struct iser_conn {
 	struct ib_fmr_pool           *fmr_pool;     /* pool of IB FMRs         */
 	int                          disc_evt_flag; /* disconn event delivered */
 	wait_queue_head_t	     wait;          /* waitq for conn/disconn  */
-	atomic_t                     post_recv_buf_count; /* posted rx count   */
+	int                          post_recv_buf_count; /* posted rx count  */
 	atomic_t                     post_send_buf_count; /* posted tx count   */
-	atomic_t                     unexpected_pdu_count;/* count of received *
-							   * unexpected pdus   *
-							   * not yet retired   */
 	char 			     name[ISER_OBJECT_NAME_SIZE];
 	struct iser_page_vec         *page_vec;     /* represents SG to fmr maps*
 						     * maps serialized as tx is*/
 	struct list_head	     conn_list;       /* entry in ig conn list */
+
+	char  			     *login_buf;
+	u64 			     login_dma;
+	unsigned int 		     rx_desc_head;
+	struct iser_rx_desc	     *rx_descs;
+	struct ib_recv_wr	     rx_wr[ISER_MIN_POSTED_RX];
 };
 
 struct iscsi_iser_conn {
@@ -267,7 +268,7 @@ struct iscsi_iser_conn {
 };
 
 struct iscsi_iser_task {
-	struct iser_desc             desc;
+	struct iser_tx_desc          desc;
 	struct iscsi_iser_conn	     *iser_conn;
 	enum iser_task_status 	     status;
 	int                          command_sent;  /* set if command  sent  */
@@ -275,6 +276,7 @@ struct iscsi_iser_task {
 	struct iser_regd_buf         rdma_regd[ISER_DIRS_NUM];/* regd rdma buf */
 	struct iser_data_buf         data[ISER_DIRS_NUM];     /* orig. data des*/
 	struct iser_data_buf         data_copy[ISER_DIRS_NUM];/* contig. copy  */
+	int                          headers_initialized;
 };
 
 struct iser_page_vec {
@@ -322,22 +324,17 @@ void iser_conn_put(struct iser_conn *ib_conn);
 
 void iser_conn_terminate(struct iser_conn *ib_conn);
 
-void iser_rcv_completion(struct iser_desc *desc,
-			 unsigned long    dto_xfer_len);
+void iser_rcv_completion(struct iser_rx_desc *desc,
+			 unsigned long    dto_xfer_len,
+			struct iser_conn *ib_conn);
 
-void iser_snd_completion(struct iser_desc *desc);
+void iser_snd_completion(struct iser_tx_desc *desc, struct iser_conn *ib_conn);
 
 void iser_task_rdma_init(struct iscsi_iser_task *task);
 
 void iser_task_rdma_finalize(struct iscsi_iser_task *task);
 
-void iser_dto_buffs_release(struct iser_dto *dto);
-
-int  iser_regd_buff_release(struct iser_regd_buf *regd_buf);
-
-void iser_reg_single(struct iser_device      *device,
-		     struct iser_regd_buf    *regd_buf,
-		     enum dma_data_direction direction);
+void iser_free_rx_descriptors(struct iser_conn *ib_conn);
 
 void iser_finalize_rdma_unaligned_sg(struct iscsi_iser_task *task,
 				     enum iser_data_dir         cmd_dir);
@@ -356,11 +353,9 @@ int  iser_reg_page_vec(struct iser_conn     *ib_conn,
 
 void iser_unreg_mem(struct iser_mem_reg *mem_reg);
 
-int  iser_post_recv(struct iser_desc *rx_desc);
-int  iser_post_send(struct iser_desc *tx_desc);
-
-int iser_conn_state_comp(struct iser_conn *ib_conn,
-			 enum iser_ib_conn_state comp);
+int  iser_post_recvl(struct iser_conn *ib_conn);
+int  iser_post_recvm(struct iser_conn *ib_conn, int count);
+int  iser_post_send(struct iser_conn *ib_conn, struct iser_tx_desc *tx_desc);
 
 int iser_dma_map_task_data(struct iscsi_iser_task *iser_task,
 			    struct iser_data_buf       *data,
@@ -368,4 +363,6 @@ int iser_dma_map_task_data(struct iscsi_iser_task *iser_task,
 			    enum   dma_data_direction  dma_dir);
 
 void iser_dma_unmap_task_data(struct iscsi_iser_task *iser_task);
+int  iser_initialize_task_headers(struct iscsi_task *task,
+			struct iser_tx_desc *tx_desc);
 #endif
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index 9de640200ad3..0b9ef0716588 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -39,29 +39,6 @@
 
 #include "iscsi_iser.h"
 
-/* Constant PDU lengths calculations */
-#define ISER_TOTAL_HEADERS_LEN  (sizeof (struct iser_hdr) + \
-				 sizeof (struct iscsi_hdr))
-
-/* iser_dto_add_regd_buff - increments the reference count for *
- * the registered buffer & adds it to the DTO object           */
-static void iser_dto_add_regd_buff(struct iser_dto *dto,
-				   struct iser_regd_buf *regd_buf,
-				   unsigned long use_offset,
-				   unsigned long use_size)
-{
-	int add_idx;
-
-	atomic_inc(&regd_buf->ref_count);
-
-	add_idx = dto->regd_vector_len;
-	dto->regd[add_idx] = regd_buf;
-	dto->used_sz[add_idx] = use_size;
-	dto->offset[add_idx] = use_offset;
-
-	dto->regd_vector_len++;
-}
-
 /* Register user buffer memory and initialize passive rdma
  *  dto descriptor. Total data size is stored in
  *  iser_task->data[ISER_DIR_IN].data_len
@@ -122,9 +99,9 @@ iser_prepare_write_cmd(struct iscsi_task *task,
 	struct iscsi_iser_task *iser_task = task->dd_data;
 	struct iser_regd_buf *regd_buf;
 	int err;
-	struct iser_dto *send_dto = &iser_task->desc.dto;
 	struct iser_hdr *hdr = &iser_task->desc.iser_header;
 	struct iser_data_buf *buf_out = &iser_task->data[ISER_DIR_OUT];
+	struct ib_sge *tx_dsg = &iser_task->desc.tx_sg[1];
 
 	err = iser_dma_map_task_data(iser_task,
 				     buf_out,
@@ -163,135 +140,100 @@ iser_prepare_write_cmd(struct iscsi_task *task,
 	if (imm_sz > 0) {
 		iser_dbg("Cmd itt:%d, WRITE, adding imm.data sz: %d\n",
 			 task->itt, imm_sz);
-		iser_dto_add_regd_buff(send_dto,
-				       regd_buf,
-				       0,
-				       imm_sz);
+		tx_dsg->addr   = regd_buf->reg.va;
+		tx_dsg->length = imm_sz;
+		tx_dsg->lkey   = regd_buf->reg.lkey;
+		iser_task->desc.num_sge = 2;
 	}
 
 	return 0;
 }
 
-/**
- * iser_post_receive_control - allocates, initializes and posts receive DTO.
- */
-static int iser_post_receive_control(struct iscsi_conn *conn)
+/* creates a new tx descriptor and adds header regd buffer */
+static void iser_create_send_desc(struct iser_conn	*ib_conn,
+				  struct iser_tx_desc	*tx_desc)
 {
-	struct iscsi_iser_conn *iser_conn = conn->dd_data;
-	struct iser_desc     *rx_desc;
-	struct iser_regd_buf *regd_hdr;
-	struct iser_regd_buf *regd_data;
-	struct iser_dto      *recv_dto = NULL;
-	struct iser_device  *device = iser_conn->ib_conn->device;
-	int rx_data_size, err;
-	int posts, outstanding_unexp_pdus;
-
-	/* for the login sequence we must support rx of upto 8K; login is done
-	 * after conn create/bind (connect) and conn stop/bind (reconnect),
-	 * what's common for both schemes is that the connection is not started
-	 */
-	if (conn->c_stage != ISCSI_CONN_STARTED)
-		rx_data_size = ISCSI_DEF_MAX_RECV_SEG_LEN;
-	else /* FIXME till user space sets conn->max_recv_dlength correctly */
-		rx_data_size = 128;
-
-	outstanding_unexp_pdus =
-		atomic_xchg(&iser_conn->ib_conn->unexpected_pdu_count, 0);
-
-	/*
-	 * in addition to the response buffer, replace those consumed by
-	 * unexpected pdus.
-	 */
-	for (posts = 0; posts < 1 + outstanding_unexp_pdus; posts++) {
-		rx_desc = kmem_cache_alloc(ig.desc_cache, GFP_NOIO);
-		if (rx_desc == NULL) {
-			iser_err("Failed to alloc desc for post recv %d\n",
-				 posts);
-			err = -ENOMEM;
-			goto post_rx_cache_alloc_failure;
-		}
-		rx_desc->type = ISCSI_RX;
-		rx_desc->data = kmalloc(rx_data_size, GFP_NOIO);
-		if (rx_desc->data == NULL) {
-			iser_err("Failed to alloc data buf for post recv %d\n",
-				 posts);
-			err = -ENOMEM;
-			goto post_rx_kmalloc_failure;
-		}
-
-		recv_dto = &rx_desc->dto;
-		recv_dto->ib_conn = iser_conn->ib_conn;
-		recv_dto->regd_vector_len = 0;
+	struct iser_device *device = ib_conn->device;
 
-		regd_hdr = &rx_desc->hdr_regd_buf;
-		memset(regd_hdr, 0, sizeof(struct iser_regd_buf));
-		regd_hdr->device  = device;
-		regd_hdr->virt_addr  = rx_desc; /* == &rx_desc->iser_header */
-		regd_hdr->data_size  = ISER_TOTAL_HEADERS_LEN;
+	ib_dma_sync_single_for_cpu(device->ib_device,
+		tx_desc->dma_addr, ISER_HEADERS_LEN, DMA_TO_DEVICE);
 
-		iser_reg_single(device, regd_hdr, DMA_FROM_DEVICE);
-
-		iser_dto_add_regd_buff(recv_dto, regd_hdr, 0, 0);
+	memset(&tx_desc->iser_header, 0, sizeof(struct iser_hdr));
+	tx_desc->iser_header.flags = ISER_VER;
 
-		regd_data = &rx_desc->data_regd_buf;
-		memset(regd_data, 0, sizeof(struct iser_regd_buf));
-		regd_data->device  = device;
-		regd_data->virt_addr  = rx_desc->data;
-		regd_data->data_size  = rx_data_size;
+	tx_desc->num_sge = 1;
 
-		iser_reg_single(device, regd_data, DMA_FROM_DEVICE);
+	if (tx_desc->tx_sg[0].lkey != device->mr->lkey) {
+		tx_desc->tx_sg[0].lkey = device->mr->lkey;
+		iser_dbg("sdesc %p lkey mismatch, fixing\n", tx_desc);
+	}
+}
 
-		iser_dto_add_regd_buff(recv_dto, regd_data, 0, 0);
 
-		err = iser_post_recv(rx_desc);
-		if (err) {
-			iser_err("Failed iser_post_recv for post %d\n", posts);
-			goto post_rx_post_recv_failure;
-		}
+int iser_alloc_rx_descriptors(struct iser_conn *ib_conn)
+{
+	int i, j;
+	u64 dma_addr;
+	struct iser_rx_desc *rx_desc;
+	struct ib_sge       *rx_sg;
+	struct iser_device  *device = ib_conn->device;
+
+	ib_conn->rx_descs = kmalloc(ISER_QP_MAX_RECV_DTOS *
+				sizeof(struct iser_rx_desc), GFP_KERNEL);
+	if (!ib_conn->rx_descs)
+		goto rx_desc_alloc_fail;
+
+	rx_desc = ib_conn->rx_descs;
+
+	for (i = 0; i < ISER_QP_MAX_RECV_DTOS; i++, rx_desc++)  {
+		dma_addr = ib_dma_map_single(device->ib_device, (void *)rx_desc,
+					ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE);
+		if (ib_dma_mapping_error(device->ib_device, dma_addr))
+			goto rx_desc_dma_map_failed;
+
+		rx_desc->dma_addr = dma_addr;
+
+		rx_sg = &rx_desc->rx_sg;
+		rx_sg->addr   = rx_desc->dma_addr;
+		rx_sg->length = ISER_RX_PAYLOAD_SIZE;
+		rx_sg->lkey   = device->mr->lkey;
 	}
-	/* all posts successful */
-	return 0;
 
-post_rx_post_recv_failure:
-	iser_dto_buffs_release(recv_dto);
-	kfree(rx_desc->data);
-post_rx_kmalloc_failure:
-	kmem_cache_free(ig.desc_cache, rx_desc);
-post_rx_cache_alloc_failure:
-	if (posts > 0) {
-		/*
-		 * response buffer posted, but did not replace all unexpected
-		 * pdu recv bufs. Ignore error, retry occurs next send
-		 */
-		outstanding_unexp_pdus -= (posts - 1);
-		err = 0;
-	}
-	atomic_add(outstanding_unexp_pdus,
-		   &iser_conn->ib_conn->unexpected_pdu_count);
+	ib_conn->rx_desc_head = 0;
+	return 0;
 
-	return err;
+rx_desc_dma_map_failed:
+	rx_desc = ib_conn->rx_descs;
+	for (j = 0; j < i; j++, rx_desc++)
+		ib_dma_unmap_single(device->ib_device, rx_desc->dma_addr,
+			ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE);
+	kfree(ib_conn->rx_descs);
+	ib_conn->rx_descs = NULL;
+rx_desc_alloc_fail:
+	iser_err("failed allocating rx descriptors / data buffers\n");
+	return -ENOMEM;
 }
 
-/* creates a new tx descriptor and adds header regd buffer */
-static void iser_create_send_desc(struct iscsi_iser_conn *iser_conn,
-				  struct iser_desc       *tx_desc)
+void iser_free_rx_descriptors(struct iser_conn *ib_conn)
 {
-	struct iser_regd_buf *regd_hdr = &tx_desc->hdr_regd_buf;
-	struct iser_dto      *send_dto = &tx_desc->dto;
+	int i;
+	struct iser_rx_desc *rx_desc;
+	struct iser_device *device = ib_conn->device;
 
-	memset(regd_hdr, 0, sizeof(struct iser_regd_buf));
-	regd_hdr->device  = iser_conn->ib_conn->device;
-	regd_hdr->virt_addr  = tx_desc; /* == &tx_desc->iser_header */
-	regd_hdr->data_size  = ISER_TOTAL_HEADERS_LEN;
+	if (ib_conn->login_buf) {
+		ib_dma_unmap_single(device->ib_device, ib_conn->login_dma,
+			ISER_RX_LOGIN_SIZE, DMA_FROM_DEVICE);
+		kfree(ib_conn->login_buf);
+	}
 
-	send_dto->ib_conn         = iser_conn->ib_conn;
-	send_dto->notify_enable   = 1;
-	send_dto->regd_vector_len = 0;
+	if (!ib_conn->rx_descs)
+		return;
 
-	memset(&tx_desc->iser_header, 0, sizeof(struct iser_hdr));
-	tx_desc->iser_header.flags = ISER_VER;
-
-	iser_dto_add_regd_buff(send_dto, regd_hdr, 0, 0);
+	rx_desc = ib_conn->rx_descs;
+	for (i = 0; i < ISER_QP_MAX_RECV_DTOS; i++, rx_desc++)
+		ib_dma_unmap_single(device->ib_device, rx_desc->dma_addr,
+			ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE);
+	kfree(ib_conn->rx_descs);
 }
 
 /**
@@ -301,46 +243,23 @@ int iser_conn_set_full_featured_mode(struct iscsi_conn *conn)
 {
 	struct iscsi_iser_conn *iser_conn = conn->dd_data;
 
-	int i;
-	/*
-	 * FIXME this value should be declared to the target during login with
-	 * the MaxOutstandingUnexpectedPDUs key when supported
-	 */
-	int initial_post_recv_bufs_num = ISER_MAX_RX_MISC_PDUS;
-
-	iser_dbg("Initially post: %d\n", initial_post_recv_bufs_num);
+	iser_dbg("Initially post: %d\n", ISER_MIN_POSTED_RX);
 
 	/* Check that there is no posted recv or send buffers left - */
 	/* they must be consumed during the login phase */
-	BUG_ON(atomic_read(&iser_conn->ib_conn->post_recv_buf_count) != 0);
+	BUG_ON(iser_conn->ib_conn->post_recv_buf_count != 0);
 	BUG_ON(atomic_read(&iser_conn->ib_conn->post_send_buf_count) != 0);
 
-	/* Initial post receive buffers */
-	for (i = 0; i < initial_post_recv_bufs_num; i++) {
-		if (iser_post_receive_control(conn) != 0) {
-			iser_err("Failed to post recv bufs at:%d conn:0x%p\n",
-				 i, conn);
-			return -ENOMEM;
-		}
-	}
-	iser_dbg("Posted %d post recv bufs, conn:0x%p\n", i, conn);
-	return 0;
-}
+	if (iser_alloc_rx_descriptors(iser_conn->ib_conn))
+		return -ENOMEM;
 
-static int
-iser_check_xmit(struct iscsi_conn *conn, void *task)
-{
-	struct iscsi_iser_conn *iser_conn = conn->dd_data;
+	/* Initial post receive buffers */
+	if (iser_post_recvm(iser_conn->ib_conn, ISER_MIN_POSTED_RX))
+		return -ENOMEM;
 
-	if (atomic_read(&iser_conn->ib_conn->post_send_buf_count) ==
-	    ISER_QP_MAX_REQ_DTOS) {
-		iser_dbg("%ld can't xmit task %p\n",jiffies,task);
-		return -ENOBUFS;
-	}
 	return 0;
 }
 
-
 /**
  * iser_send_command - send command PDU
  */
@@ -349,27 +268,18 @@ int iser_send_command(struct iscsi_conn *conn,
 {
 	struct iscsi_iser_conn *iser_conn = conn->dd_data;
 	struct iscsi_iser_task *iser_task = task->dd_data;
-	struct iser_dto *send_dto = NULL;
 	unsigned long edtl;
-	int err = 0;
+	int err;
 	struct iser_data_buf *data_buf;
 	struct iscsi_cmd *hdr =  (struct iscsi_cmd *)task->hdr;
 	struct scsi_cmnd *sc  =  task->sc;
-
-	if (!iser_conn_state_comp(iser_conn->ib_conn, ISER_CONN_UP)) {
-		iser_err("Failed to send, conn: 0x%p is not up\n", iser_conn->ib_conn);
-		return -EPERM;
-	}
-	if (iser_check_xmit(conn, task))
-		return -ENOBUFS;
+	struct iser_tx_desc *tx_desc = &iser_task->desc;
 
 	edtl = ntohl(hdr->data_length);
 
 	/* build the tx desc regd header and add it to the tx desc dto */
-	iser_task->desc.type = ISCSI_TX_SCSI_COMMAND;
-	send_dto = &iser_task->desc.dto;
-	send_dto->task = iser_task;
-	iser_create_send_desc(iser_conn, &iser_task->desc);
+	tx_desc->type = ISCSI_TX_SCSI_COMMAND;
+	iser_create_send_desc(iser_conn->ib_conn, tx_desc);
 
 	if (hdr->flags & ISCSI_FLAG_CMD_READ)
 		data_buf = &iser_task->data[ISER_DIR_IN];
@@ -398,23 +308,13 @@ int iser_send_command(struct iscsi_conn *conn,
 			goto send_command_error;
 	}
 
-	iser_reg_single(iser_conn->ib_conn->device,
-			send_dto->regd[0], DMA_TO_DEVICE);
-
-	if (iser_post_receive_control(conn) != 0) {
-		iser_err("post_recv failed!\n");
-		err = -ENOMEM;
-		goto send_command_error;
-	}
-
 	iser_task->status = ISER_TASK_STATUS_STARTED;
 
-	err = iser_post_send(&iser_task->desc);
+	err = iser_post_send(iser_conn->ib_conn, tx_desc);
 	if (!err)
 		return 0;
 
 send_command_error:
-	iser_dto_buffs_release(send_dto);
 	iser_err("conn %p failed task->itt %d err %d\n",conn, task->itt, err);
 	return err;
 }
@@ -428,20 +328,13 @@ int iser_send_data_out(struct iscsi_conn *conn,
 {
 	struct iscsi_iser_conn *iser_conn = conn->dd_data;
 	struct iscsi_iser_task *iser_task = task->dd_data;
-	struct iser_desc *tx_desc = NULL;
-	struct iser_dto *send_dto = NULL;
+	struct iser_tx_desc *tx_desc = NULL;
+	struct iser_regd_buf *regd_buf;
 	unsigned long buf_offset;
 	unsigned long data_seg_len;
 	uint32_t itt;
 	int err = 0;
-
-	if (!iser_conn_state_comp(iser_conn->ib_conn, ISER_CONN_UP)) {
-		iser_err("Failed to send, conn: 0x%p is not up\n", iser_conn->ib_conn);
-		return -EPERM;
-	}
-
-	if (iser_check_xmit(conn, task))
-		return -ENOBUFS;
+	struct ib_sge *tx_dsg;
 
 	itt = (__force uint32_t)hdr->itt;
 	data_seg_len = ntoh24(hdr->dlength);
@@ -450,28 +343,25 @@ int iser_send_data_out(struct iscsi_conn *conn,
 	iser_dbg("%s itt %d dseg_len %d offset %d\n",
 		 __func__,(int)itt,(int)data_seg_len,(int)buf_offset);
 
-	tx_desc = kmem_cache_alloc(ig.desc_cache, GFP_NOIO);
+	tx_desc = kmem_cache_zalloc(ig.desc_cache, GFP_ATOMIC);
 	if (tx_desc == NULL) {
 		iser_err("Failed to alloc desc for post dataout\n");
 		return -ENOMEM;
 	}
 
 	tx_desc->type = ISCSI_TX_DATAOUT;
+	tx_desc->iser_header.flags = ISER_VER;
 	memcpy(&tx_desc->iscsi_header, hdr, sizeof(struct iscsi_hdr));
 
-	/* build the tx desc regd header and add it to the tx desc dto */
-	send_dto = &tx_desc->dto;
-	send_dto->task = iser_task;
-	iser_create_send_desc(iser_conn, tx_desc);
-
-	iser_reg_single(iser_conn->ib_conn->device,
-			send_dto->regd[0], DMA_TO_DEVICE);
+	/* build the tx desc */
+	iser_initialize_task_headers(task, tx_desc);
 
-	/* all data was registered for RDMA, we can use the lkey */
-	iser_dto_add_regd_buff(send_dto,
-			       &iser_task->rdma_regd[ISER_DIR_OUT],
-			       buf_offset,
-			       data_seg_len);
+	regd_buf = &iser_task->rdma_regd[ISER_DIR_OUT];
+	tx_dsg = &tx_desc->tx_sg[1];
+	tx_dsg->addr    = regd_buf->reg.va + buf_offset;
+	tx_dsg->length  = data_seg_len;
+	tx_dsg->lkey    = regd_buf->reg.lkey;
+	tx_desc->num_sge = 2;
 
 	if (buf_offset + data_seg_len > iser_task->data[ISER_DIR_OUT].data_len) {
 		iser_err("Offset:%ld & DSL:%ld in Data-Out "
@@ -485,12 +375,11 @@ int iser_send_data_out(struct iscsi_conn *conn,
 		 itt, buf_offset, data_seg_len);
 
 
-	err = iser_post_send(tx_desc);
+	err = iser_post_send(iser_conn->ib_conn, tx_desc);
 	if (!err)
 		return 0;
 
 send_data_out_error:
-	iser_dto_buffs_release(send_dto);
 	kmem_cache_free(ig.desc_cache, tx_desc);
 	iser_err("conn %p failed err %d\n",conn, err);
 	return err;
@@ -501,64 +390,44 @@ int iser_send_control(struct iscsi_conn *conn,
 {
 	struct iscsi_iser_conn *iser_conn = conn->dd_data;
 	struct iscsi_iser_task *iser_task = task->dd_data;
-	struct iser_desc *mdesc = &iser_task->desc;
-	struct iser_dto *send_dto = NULL;
+	struct iser_tx_desc *mdesc = &iser_task->desc;
 	unsigned long data_seg_len;
 	int err = 0;
-	struct iser_regd_buf *regd_buf;
 	struct iser_device *device;
-	unsigned char opcode;
-
-	if (!iser_conn_state_comp(iser_conn->ib_conn, ISER_CONN_UP)) {
-		iser_err("Failed to send, conn: 0x%p is not up\n", iser_conn->ib_conn);
-		return -EPERM;
-	}
-
-	if (iser_check_xmit(conn, task))
-		return -ENOBUFS;
 
 	/* build the tx desc regd header and add it to the tx desc dto */
 	mdesc->type = ISCSI_TX_CONTROL;
-	send_dto = &mdesc->dto;
-	send_dto->task = NULL;
-	iser_create_send_desc(iser_conn, mdesc);
+	iser_create_send_desc(iser_conn->ib_conn, mdesc);
 
 	device = iser_conn->ib_conn->device;
 
-	iser_reg_single(device, send_dto->regd[0], DMA_TO_DEVICE);
-
 	data_seg_len = ntoh24(task->hdr->dlength);
 
 	if (data_seg_len > 0) {
-		regd_buf = &mdesc->data_regd_buf;
-		memset(regd_buf, 0, sizeof(struct iser_regd_buf));
-		regd_buf->device = device;
-		regd_buf->virt_addr = task->data;
-		regd_buf->data_size = task->data_count;
-		iser_reg_single(device, regd_buf,
-				DMA_TO_DEVICE);
-		iser_dto_add_regd_buff(send_dto, regd_buf,
-				       0,
-				       data_seg_len);
+		struct ib_sge *tx_dsg = &mdesc->tx_sg[1];
+		if (task != conn->login_task) {
+			iser_err("data present on non login task!!!\n");
+			goto send_control_error;
+		}
+		memcpy(iser_conn->ib_conn->login_buf, task->data,
+							task->data_count);
+		tx_dsg->addr    = iser_conn->ib_conn->login_dma;
+		tx_dsg->length  = data_seg_len;
+		tx_dsg->lkey    = device->mr->lkey;
+		mdesc->num_sge = 2;
 	}
 
-	opcode = task->hdr->opcode & ISCSI_OPCODE_MASK;
-
-	/* post recv buffer for response if one is expected */
-	if (!(opcode == ISCSI_OP_NOOP_OUT && task->hdr->itt == RESERVED_ITT)) {
-		if (iser_post_receive_control(conn) != 0) {
-			iser_err("post_rcv_buff failed!\n");
-			err = -ENOMEM;
+	if (task == conn->login_task) {
+		err = iser_post_recvl(iser_conn->ib_conn);
+		if (err)
 			goto send_control_error;
-		}
 	}
 
-	err = iser_post_send(mdesc);
+	err = iser_post_send(iser_conn->ib_conn, mdesc);
 	if (!err)
 		return 0;
 
 send_control_error:
-	iser_dto_buffs_release(send_dto);
 	iser_err("conn %p failed err %d\n",conn, err);
 	return err;
 }
@@ -566,104 +435,71 @@ send_control_error:
 /**
  * iser_rcv_dto_completion - recv DTO completion
  */
-void iser_rcv_completion(struct iser_desc *rx_desc,
-			 unsigned long dto_xfer_len)
+void iser_rcv_completion(struct iser_rx_desc *rx_desc,
+			 unsigned long rx_xfer_len,
+			 struct iser_conn *ib_conn)
 {
-	struct iser_dto *dto = &rx_desc->dto;
-	struct iscsi_iser_conn *conn = dto->ib_conn->iser_conn;
-	struct iscsi_task *task;
-	struct iscsi_iser_task *iser_task;
+	struct iscsi_iser_conn *conn = ib_conn->iser_conn;
 	struct iscsi_hdr *hdr;
-	char   *rx_data = NULL;
-	int     rx_data_len = 0;
-	unsigned char opcode;
-
-	hdr = &rx_desc->iscsi_header;
+	u64 rx_dma;
+	int rx_buflen, outstanding, count, err;
+
+	/* differentiate between login to all other PDUs */
+	if ((char *)rx_desc == ib_conn->login_buf) {
+		rx_dma = ib_conn->login_dma;
+		rx_buflen = ISER_RX_LOGIN_SIZE;
+	} else {
+		rx_dma = rx_desc->dma_addr;
+		rx_buflen = ISER_RX_PAYLOAD_SIZE;
+	}
 
-	iser_dbg("op 0x%x itt 0x%x\n", hdr->opcode,hdr->itt);
+	ib_dma_sync_single_for_cpu(ib_conn->device->ib_device, rx_dma,
+			rx_buflen, DMA_FROM_DEVICE);
 
-	if (dto_xfer_len > ISER_TOTAL_HEADERS_LEN) { /* we have data */
-		rx_data_len = dto_xfer_len - ISER_TOTAL_HEADERS_LEN;
-		rx_data     = dto->regd[1]->virt_addr;
-		rx_data    += dto->offset[1];
-	}
+	hdr = &rx_desc->iscsi_header;
 
-	opcode = hdr->opcode & ISCSI_OPCODE_MASK;
-
-	if (opcode == ISCSI_OP_SCSI_CMD_RSP) {
-		spin_lock(&conn->iscsi_conn->session->lock);
-		task = iscsi_itt_to_ctask(conn->iscsi_conn, hdr->itt);
-		if (task)
-			__iscsi_get_task(task);
-		spin_unlock(&conn->iscsi_conn->session->lock);
-
-		if (!task)
-			iser_err("itt can't be matched to task!!! "
-				 "conn %p opcode %d itt %d\n",
-				 conn->iscsi_conn, opcode, hdr->itt);
-		else {
-			iser_task = task->dd_data;
-			iser_dbg("itt %d task %p\n",hdr->itt, task);
-			iser_task->status = ISER_TASK_STATUS_COMPLETED;
-			iser_task_rdma_finalize(iser_task);
-			iscsi_put_task(task);
-		}
-	}
-	iser_dto_buffs_release(dto);
+	iser_dbg("op 0x%x itt 0x%x dlen %d\n", hdr->opcode,
+			hdr->itt, (int)(rx_xfer_len - ISER_HEADERS_LEN));
 
-	iscsi_iser_recv(conn->iscsi_conn, hdr, rx_data, rx_data_len);
+	iscsi_iser_recv(conn->iscsi_conn, hdr,
+		rx_desc->data, rx_xfer_len - ISER_HEADERS_LEN);
 
-	kfree(rx_desc->data);
-	kmem_cache_free(ig.desc_cache, rx_desc);
+	ib_dma_sync_single_for_device(ib_conn->device->ib_device, rx_dma,
+			rx_buflen, DMA_FROM_DEVICE);
 
 	/* decrementing conn->post_recv_buf_count only --after-- freeing the   *
 	 * task eliminates the need to worry on tasks which are completed in   *
 	 * parallel to the execution of iser_conn_term. So the code that waits *
 	 * for the posted rx bufs refcount to become zero handles everything   */
-	atomic_dec(&conn->ib_conn->post_recv_buf_count);
+	conn->ib_conn->post_recv_buf_count--;
 
-	/*
-	 * if an unexpected PDU was received then the recv wr consumed must
-	 * be replaced, this is done in the next send of a control-type PDU
-	 */
-	if (opcode == ISCSI_OP_NOOP_IN && hdr->itt == RESERVED_ITT) {
-		/* nop-in with itt = 0xffffffff */
-		atomic_inc(&conn->ib_conn->unexpected_pdu_count);
-	}
-	else if (opcode == ISCSI_OP_ASYNC_EVENT) {
-		/* asyncronous message */
-		atomic_inc(&conn->ib_conn->unexpected_pdu_count);
+	if (rx_dma == ib_conn->login_dma)
+		return;
+
+	outstanding = ib_conn->post_recv_buf_count;
+	if (outstanding + ISER_MIN_POSTED_RX <= ISER_QP_MAX_RECV_DTOS) {
+		count = min(ISER_QP_MAX_RECV_DTOS - outstanding,
+						ISER_MIN_POSTED_RX);
+		err = iser_post_recvm(ib_conn, count);
+		if (err)
+			iser_err("posting %d rx bufs err %d\n", count, err);
 	}
-	/* a reject PDU consumes the recv buf posted for the response */
 }
 
-void iser_snd_completion(struct iser_desc *tx_desc)
+void iser_snd_completion(struct iser_tx_desc *tx_desc,
+			struct iser_conn *ib_conn)
 {
-	struct iser_dto        *dto = &tx_desc->dto;
-	struct iser_conn       *ib_conn = dto->ib_conn;
-	struct iscsi_iser_conn *iser_conn = ib_conn->iser_conn;
-	struct iscsi_conn      *conn = iser_conn->iscsi_conn;
 	struct iscsi_task *task;
-	int resume_tx = 0;
-
-	iser_dbg("Initiator, Data sent dto=0x%p\n", dto);
-
-	iser_dto_buffs_release(dto);
+	struct iser_device *device = ib_conn->device;
 
-	if (tx_desc->type == ISCSI_TX_DATAOUT)
+	if (tx_desc->type == ISCSI_TX_DATAOUT) {
+		ib_dma_unmap_single(device->ib_device, tx_desc->dma_addr,
+					ISER_HEADERS_LEN, DMA_TO_DEVICE);
 		kmem_cache_free(ig.desc_cache, tx_desc);
-
-	if (atomic_read(&iser_conn->ib_conn->post_send_buf_count) ==
-	    ISER_QP_MAX_REQ_DTOS)
-		resume_tx = 1;
+	}
 
 	atomic_dec(&ib_conn->post_send_buf_count);
 
-	if (resume_tx) {
-		iser_dbg("%ld resuming tx\n",jiffies);
-		iscsi_conn_queue_work(conn);
-	}
-
 	if (tx_desc->type == ISCSI_TX_CONTROL) {
 		/* this arithmetic is legal by libiscsi dd_data allocation */
 		task = (void *) ((long)(void *)tx_desc -
@@ -692,7 +528,6 @@ void iser_task_rdma_init(struct iscsi_iser_task *iser_task)
 
 void iser_task_rdma_finalize(struct iscsi_iser_task *iser_task)
 {
-	int deferred;
 	int is_rdma_aligned = 1;
 	struct iser_regd_buf *regd;
 
@@ -710,32 +545,17 @@ void iser_task_rdma_finalize(struct iscsi_iser_task *iser_task)
 
 	if (iser_task->dir[ISER_DIR_IN]) {
 		regd = &iser_task->rdma_regd[ISER_DIR_IN];
-		deferred = iser_regd_buff_release(regd);
-		if (deferred) {
-			iser_err("%d references remain for BUF-IN rdma reg\n",
-				 atomic_read(&regd->ref_count));
-		}
+		if (regd->reg.is_fmr)
+			iser_unreg_mem(&regd->reg);
 	}
 
 	if (iser_task->dir[ISER_DIR_OUT]) {
 		regd = &iser_task->rdma_regd[ISER_DIR_OUT];
-		deferred = iser_regd_buff_release(regd);
-		if (deferred) {
-			iser_err("%d references remain for BUF-OUT rdma reg\n",
-				 atomic_read(&regd->ref_count));
-		}
+		if (regd->reg.is_fmr)
+			iser_unreg_mem(&regd->reg);
 	}
 
        /* if the data was unaligned, it was already unmapped and then copied */
        if (is_rdma_aligned)
 		iser_dma_unmap_task_data(iser_task);
 }
-
-void iser_dto_buffs_release(struct iser_dto *dto)
-{
-	int i;
-
-	for (i = 0; i < dto->regd_vector_len; i++)
-		iser_regd_buff_release(dto->regd[i]);
-}
-
diff --git a/drivers/infiniband/ulp/iser/iser_memory.c b/drivers/infiniband/ulp/iser/iser_memory.c
index 274c883ef3ea..fb88d6896b67 100644
--- a/drivers/infiniband/ulp/iser/iser_memory.c
+++ b/drivers/infiniband/ulp/iser/iser_memory.c
@@ -41,62 +41,6 @@
 #define ISER_KMALLOC_THRESHOLD 0x20000 /* 128K - kmalloc limit */
 
 /**
- * Decrements the reference count for the
- * registered buffer & releases it
- *
- * returns 0 if released, 1 if deferred
- */
-int iser_regd_buff_release(struct iser_regd_buf *regd_buf)
-{
-	struct ib_device *dev;
-
-	if ((atomic_read(&regd_buf->ref_count) == 0) ||
-	    atomic_dec_and_test(&regd_buf->ref_count)) {
-		/* if we used the dma mr, unreg is just NOP */
-		if (regd_buf->reg.is_fmr)
-			iser_unreg_mem(&regd_buf->reg);
-
-		if (regd_buf->dma_addr) {
-			dev = regd_buf->device->ib_device;
-			ib_dma_unmap_single(dev,
-					 regd_buf->dma_addr,
-					 regd_buf->data_size,
-					 regd_buf->direction);
-		}
-		/* else this regd buf is associated with task which we */
-		/* dma_unmap_single/sg later */
-		return 0;
-	} else {
-		iser_dbg("Release deferred, regd.buff: 0x%p\n", regd_buf);
-		return 1;
-	}
-}
-
-/**
- * iser_reg_single - fills registered buffer descriptor with
- *		     registration information
- */
-void iser_reg_single(struct iser_device *device,
-		     struct iser_regd_buf *regd_buf,
-		     enum dma_data_direction direction)
-{
-	u64 dma_addr;
-
-	dma_addr = ib_dma_map_single(device->ib_device,
-				     regd_buf->virt_addr,
-				     regd_buf->data_size, direction);
-	BUG_ON(ib_dma_mapping_error(device->ib_device, dma_addr));
-
-	regd_buf->reg.lkey = device->mr->lkey;
-	regd_buf->reg.len  = regd_buf->data_size;
-	regd_buf->reg.va   = dma_addr;
-	regd_buf->reg.is_fmr = 0;
-
-	regd_buf->dma_addr  = dma_addr;
-	regd_buf->direction = direction;
-}
-
-/**
  * iser_start_rdma_unaligned_sg
  */
 static int iser_start_rdma_unaligned_sg(struct iscsi_iser_task *iser_task,
@@ -109,10 +53,10 @@ static int iser_start_rdma_unaligned_sg(struct iscsi_iser_task *iser_task,
 	unsigned long  cmd_data_len = data->data_len;
 
 	if (cmd_data_len > ISER_KMALLOC_THRESHOLD)
-		mem = (void *)__get_free_pages(GFP_NOIO,
+		mem = (void *)__get_free_pages(GFP_ATOMIC,
 		      ilog2(roundup_pow_of_two(cmd_data_len)) - PAGE_SHIFT);
 	else
-		mem = kmalloc(cmd_data_len, GFP_NOIO);
+		mem = kmalloc(cmd_data_len, GFP_ATOMIC);
 
 	if (mem == NULL) {
 		iser_err("Failed to allocate mem size %d %d for copying sglist\n",
@@ -474,9 +418,5 @@ int iser_reg_rdma_mem(struct iscsi_iser_task *iser_task,
 			return err;
 		}
 	}
-
-	/* take a reference on this regd buf such that it will not be released *
-	 * (eg in send dto completion) before we get the scsi response         */
-	atomic_inc(&regd_buf->ref_count);
 	return 0;
 }
diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c
index 8579f32ce38e..308d17bb5146 100644
--- a/drivers/infiniband/ulp/iser/iser_verbs.c
+++ b/drivers/infiniband/ulp/iser/iser_verbs.c
@@ -37,9 +37,8 @@
 #include "iscsi_iser.h"
 
 #define ISCSI_ISER_MAX_CONN	8
-#define ISER_MAX_CQ_LEN		((ISER_QP_MAX_RECV_DTOS + \
-				ISER_QP_MAX_REQ_DTOS) *   \
-				 ISCSI_ISER_MAX_CONN)
+#define ISER_MAX_RX_CQ_LEN	(ISER_QP_MAX_RECV_DTOS * ISCSI_ISER_MAX_CONN)
+#define ISER_MAX_TX_CQ_LEN	(ISER_QP_MAX_REQ_DTOS  * ISCSI_ISER_MAX_CONN)
 
 static void iser_cq_tasklet_fn(unsigned long data);
 static void iser_cq_callback(struct ib_cq *cq, void *cq_context);
@@ -67,15 +66,23 @@ static int iser_create_device_ib_res(struct iser_device *device)
 	if (IS_ERR(device->pd))
 		goto pd_err;
 
-	device->cq = ib_create_cq(device->ib_device,
+	device->rx_cq = ib_create_cq(device->ib_device,
 				  iser_cq_callback,
 				  iser_cq_event_callback,
 				  (void *)device,
-				  ISER_MAX_CQ_LEN, 0);
-	if (IS_ERR(device->cq))
-		goto cq_err;
+				  ISER_MAX_RX_CQ_LEN, 0);
+	if (IS_ERR(device->rx_cq))
+		goto rx_cq_err;
 
-	if (ib_req_notify_cq(device->cq, IB_CQ_NEXT_COMP))
+	device->tx_cq = ib_create_cq(device->ib_device,
+				  NULL, iser_cq_event_callback,
+				  (void *)device,
+				  ISER_MAX_TX_CQ_LEN, 0);
+
+	if (IS_ERR(device->tx_cq))
+		goto tx_cq_err;
+
+	if (ib_req_notify_cq(device->rx_cq, IB_CQ_NEXT_COMP))
 		goto cq_arm_err;
 
 	tasklet_init(&device->cq_tasklet,
@@ -93,8 +100,10 @@ static int iser_create_device_ib_res(struct iser_device *device)
 dma_mr_err:
 	tasklet_kill(&device->cq_tasklet);
 cq_arm_err:
-	ib_destroy_cq(device->cq);
-cq_err:
+	ib_destroy_cq(device->tx_cq);
+tx_cq_err:
+	ib_destroy_cq(device->rx_cq);
+rx_cq_err:
 	ib_dealloc_pd(device->pd);
 pd_err:
 	iser_err("failed to allocate an IB resource\n");
@@ -112,11 +121,13 @@ static void iser_free_device_ib_res(struct iser_device *device)
 	tasklet_kill(&device->cq_tasklet);
 
 	(void)ib_dereg_mr(device->mr);
-	(void)ib_destroy_cq(device->cq);
+	(void)ib_destroy_cq(device->tx_cq);
+	(void)ib_destroy_cq(device->rx_cq);
 	(void)ib_dealloc_pd(device->pd);
 
 	device->mr = NULL;
-	device->cq = NULL;
+	device->tx_cq = NULL;
+	device->rx_cq = NULL;
 	device->pd = NULL;
 }
 
@@ -129,13 +140,23 @@ static int iser_create_ib_conn_res(struct iser_conn *ib_conn)
 {
 	struct iser_device	*device;
 	struct ib_qp_init_attr	init_attr;
-	int			ret;
+	int			ret = -ENOMEM;
 	struct ib_fmr_pool_param params;
 
 	BUG_ON(ib_conn->device == NULL);
 
 	device = ib_conn->device;
 
+	ib_conn->login_buf = kmalloc(ISER_RX_LOGIN_SIZE, GFP_KERNEL);
+	if (!ib_conn->login_buf) {
+		goto alloc_err;
+		ret = -ENOMEM;
+	}
+
+	ib_conn->login_dma = ib_dma_map_single(ib_conn->device->ib_device,
+				(void *)ib_conn->login_buf, ISER_RX_LOGIN_SIZE,
+				DMA_FROM_DEVICE);
+
 	ib_conn->page_vec = kmalloc(sizeof(struct iser_page_vec) +
 				    (sizeof(u64) * (ISCSI_ISER_SG_TABLESIZE +1)),
 				    GFP_KERNEL);
@@ -169,12 +190,12 @@ static int iser_create_ib_conn_res(struct iser_conn *ib_conn)
 
 	init_attr.event_handler = iser_qp_event_callback;
 	init_attr.qp_context	= (void *)ib_conn;
-	init_attr.send_cq	= device->cq;
-	init_attr.recv_cq	= device->cq;
+	init_attr.send_cq	= device->tx_cq;
+	init_attr.recv_cq	= device->rx_cq;
 	init_attr.cap.max_send_wr  = ISER_QP_MAX_REQ_DTOS;
 	init_attr.cap.max_recv_wr  = ISER_QP_MAX_RECV_DTOS;
-	init_attr.cap.max_send_sge = MAX_REGD_BUF_VECTOR_LEN;
-	init_attr.cap.max_recv_sge = 2;
+	init_attr.cap.max_send_sge = 2;
+	init_attr.cap.max_recv_sge = 1;
 	init_attr.sq_sig_type	= IB_SIGNAL_REQ_WR;
 	init_attr.qp_type	= IB_QPT_RC;
 
@@ -192,6 +213,7 @@ qp_err:
 	(void)ib_destroy_fmr_pool(ib_conn->fmr_pool);
 fmr_pool_err:
 	kfree(ib_conn->page_vec);
+	kfree(ib_conn->login_buf);
 alloc_err:
 	iser_err("unable to alloc mem or create resource, err %d\n", ret);
 	return ret;
@@ -278,17 +300,6 @@ static void iser_device_try_release(struct iser_device *device)
 	mutex_unlock(&ig.device_list_mutex);
 }
 
-int iser_conn_state_comp(struct iser_conn *ib_conn,
-			enum iser_ib_conn_state comp)
-{
-	int ret;
-
-	spin_lock_bh(&ib_conn->lock);
-	ret = (ib_conn->state == comp);
-	spin_unlock_bh(&ib_conn->lock);
-	return ret;
-}
-
 static int iser_conn_state_comp_exch(struct iser_conn *ib_conn,
 				     enum iser_ib_conn_state comp,
 				     enum iser_ib_conn_state exch)
@@ -314,7 +325,7 @@ static void iser_conn_release(struct iser_conn *ib_conn)
 	mutex_lock(&ig.connlist_mutex);
 	list_del(&ib_conn->conn_list);
 	mutex_unlock(&ig.connlist_mutex);
-
+	iser_free_rx_descriptors(ib_conn);
 	iser_free_ib_conn_res(ib_conn);
 	ib_conn->device = NULL;
 	/* on EVENT_ADDR_ERROR there's no device yet for this conn */
@@ -442,7 +453,7 @@ static void iser_disconnected_handler(struct rdma_cm_id *cma_id)
 				   ISCSI_ERR_CONN_FAILED);
 
 	/* Complete the termination process if no posts are pending */
-	if ((atomic_read(&ib_conn->post_recv_buf_count) == 0) &&
+	if (ib_conn->post_recv_buf_count == 0 &&
 	    (atomic_read(&ib_conn->post_send_buf_count) == 0)) {
 		ib_conn->state = ISER_CONN_DOWN;
 		wake_up_interruptible(&ib_conn->wait);
@@ -489,9 +500,8 @@ void iser_conn_init(struct iser_conn *ib_conn)
 {
 	ib_conn->state = ISER_CONN_INIT;
 	init_waitqueue_head(&ib_conn->wait);
-	atomic_set(&ib_conn->post_recv_buf_count, 0);
+	ib_conn->post_recv_buf_count = 0;
 	atomic_set(&ib_conn->post_send_buf_count, 0);
-	atomic_set(&ib_conn->unexpected_pdu_count, 0);
 	atomic_set(&ib_conn->refcount, 1);
 	INIT_LIST_HEAD(&ib_conn->conn_list);
 	spin_lock_init(&ib_conn->lock);
@@ -626,136 +636,97 @@ void iser_unreg_mem(struct iser_mem_reg *reg)
 	reg->mem_h = NULL;
 }
 
-/**
- * iser_dto_to_iov - builds IOV from a dto descriptor
- */
-static void iser_dto_to_iov(struct iser_dto *dto, struct ib_sge *iov, int iov_len)
+int iser_post_recvl(struct iser_conn *ib_conn)
 {
-	int		     i;
-	struct ib_sge	     *sge;
-	struct iser_regd_buf *regd_buf;
-
-	if (dto->regd_vector_len > iov_len) {
-		iser_err("iov size %d too small for posting dto of len %d\n",
-			 iov_len, dto->regd_vector_len);
-		BUG();
-	}
+	struct ib_recv_wr rx_wr, *rx_wr_failed;
+	struct ib_sge	  sge;
+	int ib_ret;
 
-	for (i = 0; i < dto->regd_vector_len; i++) {
-		sge	    = &iov[i];
-		regd_buf  = dto->regd[i];
-
-		sge->addr   = regd_buf->reg.va;
-		sge->length = regd_buf->reg.len;
-		sge->lkey   = regd_buf->reg.lkey;
-
-		if (dto->used_sz[i] > 0)  /* Adjust size */
-			sge->length = dto->used_sz[i];
-
-		/* offset and length should not exceed the regd buf length */
-		if (sge->length + dto->offset[i] > regd_buf->reg.len) {
-			iser_err("Used len:%ld + offset:%d, exceed reg.buf.len:"
-				 "%ld in dto:0x%p [%d], va:0x%08lX\n",
-				 (unsigned long)sge->length, dto->offset[i],
-				 (unsigned long)regd_buf->reg.len, dto, i,
-				 (unsigned long)sge->addr);
-			BUG();
-		}
+	sge.addr   = ib_conn->login_dma;
+	sge.length = ISER_RX_LOGIN_SIZE;
+	sge.lkey   = ib_conn->device->mr->lkey;
 
-		sge->addr += dto->offset[i]; /* Adjust offset */
+	rx_wr.wr_id   = (unsigned long)ib_conn->login_buf;
+	rx_wr.sg_list = &sge;
+	rx_wr.num_sge = 1;
+	rx_wr.next    = NULL;
+
+	ib_conn->post_recv_buf_count++;
+	ib_ret	= ib_post_recv(ib_conn->qp, &rx_wr, &rx_wr_failed);
+	if (ib_ret) {
+		iser_err("ib_post_recv failed ret=%d\n", ib_ret);
+		ib_conn->post_recv_buf_count--;
 	}
+	return ib_ret;
 }
 
-/**
- * iser_post_recv - Posts a receive buffer.
- *
- * returns 0 on success, -1 on failure
- */
-int iser_post_recv(struct iser_desc *rx_desc)
+int iser_post_recvm(struct iser_conn *ib_conn, int count)
 {
-	int		  ib_ret, ret_val = 0;
-	struct ib_recv_wr recv_wr, *recv_wr_failed;
-	struct ib_sge	  iov[2];
-	struct iser_conn  *ib_conn;
-	struct iser_dto   *recv_dto = &rx_desc->dto;
-
-	/* Retrieve conn */
-	ib_conn = recv_dto->ib_conn;
-
-	iser_dto_to_iov(recv_dto, iov, 2);
+	struct ib_recv_wr *rx_wr, *rx_wr_failed;
+	int i, ib_ret;
+	unsigned int my_rx_head = ib_conn->rx_desc_head;
+	struct iser_rx_desc *rx_desc;
+
+	for (rx_wr = ib_conn->rx_wr, i = 0; i < count; i++, rx_wr++) {
+		rx_desc		= &ib_conn->rx_descs[my_rx_head];
+		rx_wr->wr_id	= (unsigned long)rx_desc;
+		rx_wr->sg_list	= &rx_desc->rx_sg;
+		rx_wr->num_sge	= 1;
+		rx_wr->next	= rx_wr + 1;
+		my_rx_head = (my_rx_head + 1) & (ISER_QP_MAX_RECV_DTOS - 1);
+	}
 
-	recv_wr.next	= NULL;
-	recv_wr.sg_list = iov;
-	recv_wr.num_sge = recv_dto->regd_vector_len;
-	recv_wr.wr_id	= (unsigned long)rx_desc;
+	rx_wr--;
+	rx_wr->next = NULL; /* mark end of work requests list */
 
-	atomic_inc(&ib_conn->post_recv_buf_count);
-	ib_ret	= ib_post_recv(ib_conn->qp, &recv_wr, &recv_wr_failed);
+	ib_conn->post_recv_buf_count += count;
+	ib_ret	= ib_post_recv(ib_conn->qp, ib_conn->rx_wr, &rx_wr_failed);
 	if (ib_ret) {
 		iser_err("ib_post_recv failed ret=%d\n", ib_ret);
-		atomic_dec(&ib_conn->post_recv_buf_count);
-		ret_val = -1;
-	}
-
-	return ret_val;
+		ib_conn->post_recv_buf_count -= count;
+	} else
+		ib_conn->rx_desc_head = my_rx_head;
+	return ib_ret;
 }
 
+
 /**
  * iser_start_send - Initiate a Send DTO operation
  *
  * returns 0 on success, -1 on failure
  */
-int iser_post_send(struct iser_desc *tx_desc)
+int iser_post_send(struct iser_conn *ib_conn, struct iser_tx_desc *tx_desc)
 {
-	int		  ib_ret, ret_val = 0;
+	int		  ib_ret;
 	struct ib_send_wr send_wr, *send_wr_failed;
-	struct ib_sge	  iov[MAX_REGD_BUF_VECTOR_LEN];
-	struct iser_conn  *ib_conn;
-	struct iser_dto   *dto = &tx_desc->dto;
 
-	ib_conn = dto->ib_conn;
-
-	iser_dto_to_iov(dto, iov, MAX_REGD_BUF_VECTOR_LEN);
+	ib_dma_sync_single_for_device(ib_conn->device->ib_device,
+		tx_desc->dma_addr, ISER_HEADERS_LEN, DMA_TO_DEVICE);
 
 	send_wr.next	   = NULL;
 	send_wr.wr_id	   = (unsigned long)tx_desc;
-	send_wr.sg_list	   = iov;
-	send_wr.num_sge	   = dto->regd_vector_len;
+	send_wr.sg_list	   = tx_desc->tx_sg;
+	send_wr.num_sge	   = tx_desc->num_sge;
 	send_wr.opcode	   = IB_WR_SEND;
-	send_wr.send_flags = dto->notify_enable ? IB_SEND_SIGNALED : 0;
+	send_wr.send_flags = IB_SEND_SIGNALED;
 
 	atomic_inc(&ib_conn->post_send_buf_count);
 
 	ib_ret = ib_post_send(ib_conn->qp, &send_wr, &send_wr_failed);
 	if (ib_ret) {
-		iser_err("Failed to start SEND DTO, dto: 0x%p, IOV len: %d\n",
-			 dto, dto->regd_vector_len);
 		iser_err("ib_post_send failed, ret:%d\n", ib_ret);
 		atomic_dec(&ib_conn->post_send_buf_count);
-		ret_val = -1;
 	}
-
-	return ret_val;
+	return ib_ret;
 }
 
-static void iser_handle_comp_error(struct iser_desc *desc)
+static void iser_handle_comp_error(struct iser_tx_desc *desc,
+				struct iser_conn *ib_conn)
 {
-	struct iser_dto  *dto     = &desc->dto;
-	struct iser_conn *ib_conn = dto->ib_conn;
-
-	iser_dto_buffs_release(dto);
-
-	if (desc->type == ISCSI_RX) {
-		kfree(desc->data);
+	if (desc && desc->type == ISCSI_TX_DATAOUT)
 		kmem_cache_free(ig.desc_cache, desc);
-		atomic_dec(&ib_conn->post_recv_buf_count);
-	} else { /* type is TX control/command/dataout */
-		if (desc->type == ISCSI_TX_DATAOUT)
-			kmem_cache_free(ig.desc_cache, desc);
-		atomic_dec(&ib_conn->post_send_buf_count);
-	}
 
-	if (atomic_read(&ib_conn->post_recv_buf_count) == 0 &&
+	if (ib_conn->post_recv_buf_count == 0 &&
 	    atomic_read(&ib_conn->post_send_buf_count) == 0) {
 		/* getting here when the state is UP means that the conn is *
 		 * being terminated asynchronously from the iSCSI layer's   *
@@ -774,32 +745,74 @@ static void iser_handle_comp_error(struct iser_desc *desc)
 	}
 }
 
+static int iser_drain_tx_cq(struct iser_device  *device)
+{
+	struct ib_cq  *cq = device->tx_cq;
+	struct ib_wc  wc;
+	struct iser_tx_desc *tx_desc;
+	struct iser_conn *ib_conn;
+	int completed_tx = 0;
+
+	while (ib_poll_cq(cq, 1, &wc) == 1) {
+		tx_desc	= (struct iser_tx_desc *) (unsigned long) wc.wr_id;
+		ib_conn = wc.qp->qp_context;
+		if (wc.status == IB_WC_SUCCESS) {
+			if (wc.opcode == IB_WC_SEND)
+				iser_snd_completion(tx_desc, ib_conn);
+			else
+				iser_err("expected opcode %d got %d\n",
+					IB_WC_SEND, wc.opcode);
+		} else {
+			iser_err("tx id %llx status %d vend_err %x\n",
+				wc.wr_id, wc.status, wc.vendor_err);
+			atomic_dec(&ib_conn->post_send_buf_count);
+			iser_handle_comp_error(tx_desc, ib_conn);
+		}
+		completed_tx++;
+	}
+	return completed_tx;
+}
+
+
 static void iser_cq_tasklet_fn(unsigned long data)
 {
 	 struct iser_device  *device = (struct iser_device *)data;
-	 struct ib_cq	     *cq = device->cq;
+	 struct ib_cq	     *cq = device->rx_cq;
 	 struct ib_wc	     wc;
-	 struct iser_desc    *desc;
+	 struct iser_rx_desc *desc;
 	 unsigned long	     xfer_len;
+	struct iser_conn *ib_conn;
+	int completed_tx, completed_rx;
+	completed_tx = completed_rx = 0;
 
 	while (ib_poll_cq(cq, 1, &wc) == 1) {
-		desc	 = (struct iser_desc *) (unsigned long) wc.wr_id;
+		desc	 = (struct iser_rx_desc *) (unsigned long) wc.wr_id;
 		BUG_ON(desc == NULL);
-
+		ib_conn = wc.qp->qp_context;
 		if (wc.status == IB_WC_SUCCESS) {
-			if (desc->type == ISCSI_RX) {
+			if (wc.opcode == IB_WC_RECV) {
 				xfer_len = (unsigned long)wc.byte_len;
-				iser_rcv_completion(desc, xfer_len);
-			} else /* type == ISCSI_TX_CONTROL/SCSI_CMD/DOUT */
-				iser_snd_completion(desc);
+				iser_rcv_completion(desc, xfer_len, ib_conn);
+			} else
+				iser_err("expected opcode %d got %d\n",
+					IB_WC_RECV, wc.opcode);
 		} else {
-			iser_err("comp w. error op %d status %d\n",desc->type,wc.status);
-			iser_handle_comp_error(desc);
+			if (wc.status != IB_WC_WR_FLUSH_ERR)
+				iser_err("rx id %llx status %d vend_err %x\n",
+					wc.wr_id, wc.status, wc.vendor_err);
+			ib_conn->post_recv_buf_count--;
+			iser_handle_comp_error(NULL, ib_conn);
 		}
+		completed_rx++;
+		if (!(completed_rx & 63))
+			completed_tx += iser_drain_tx_cq(device);
 	}
 	/* #warning "it is assumed here that arming CQ only once its empty" *
 	 * " would not cause interrupts to be missed"                       */
 	ib_req_notify_cq(cq, IB_CQ_NEXT_COMP);
+
+	completed_tx += iser_drain_tx_cq(device);
+	iser_dbg("got %d rx %d tx completions\n", completed_rx, completed_tx);
 }
 
 static void iser_cq_callback(struct ib_cq *cq, void *cq_context)
diff --git a/drivers/infiniband/ulp/srp/ib_srp.c b/drivers/infiniband/ulp/srp/ib_srp.c
index 54c8fe25c423..ed3f9ebae882 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.c
+++ b/drivers/infiniband/ulp/srp/ib_srp.c
@@ -80,7 +80,8 @@ MODULE_PARM_DESC(mellanox_workarounds,
 
 static void srp_add_one(struct ib_device *device);
 static void srp_remove_one(struct ib_device *device);
-static void srp_completion(struct ib_cq *cq, void *target_ptr);
+static void srp_recv_completion(struct ib_cq *cq, void *target_ptr);
+static void srp_send_completion(struct ib_cq *cq, void *target_ptr);
 static int srp_cm_handler(struct ib_cm_id *cm_id, struct ib_cm_event *event);
 
 static struct scsi_transport_template *ib_srp_transport_template;
@@ -227,14 +228,21 @@ static int srp_create_target_ib(struct srp_target_port *target)
 	if (!init_attr)
 		return -ENOMEM;
 
-	target->cq = ib_create_cq(target->srp_host->srp_dev->dev,
-				  srp_completion, NULL, target, SRP_CQ_SIZE, 0);
-	if (IS_ERR(target->cq)) {
-		ret = PTR_ERR(target->cq);
-		goto out;
+	target->recv_cq = ib_create_cq(target->srp_host->srp_dev->dev,
+				       srp_recv_completion, NULL, target, SRP_RQ_SIZE, 0);
+	if (IS_ERR(target->recv_cq)) {
+		ret = PTR_ERR(target->recv_cq);
+		goto err;
 	}
 
-	ib_req_notify_cq(target->cq, IB_CQ_NEXT_COMP);
+	target->send_cq = ib_create_cq(target->srp_host->srp_dev->dev,
+				       srp_send_completion, NULL, target, SRP_SQ_SIZE, 0);
+	if (IS_ERR(target->send_cq)) {
+		ret = PTR_ERR(target->send_cq);
+		goto err_recv_cq;
+	}
+
+	ib_req_notify_cq(target->recv_cq, IB_CQ_NEXT_COMP);
 
 	init_attr->event_handler       = srp_qp_event;
 	init_attr->cap.max_send_wr     = SRP_SQ_SIZE;
@@ -243,24 +251,32 @@ static int srp_create_target_ib(struct srp_target_port *target)
 	init_attr->cap.max_send_sge    = 1;
 	init_attr->sq_sig_type         = IB_SIGNAL_ALL_WR;
 	init_attr->qp_type             = IB_QPT_RC;
-	init_attr->send_cq             = target->cq;
-	init_attr->recv_cq             = target->cq;
+	init_attr->send_cq             = target->send_cq;
+	init_attr->recv_cq             = target->recv_cq;
 
 	target->qp = ib_create_qp(target->srp_host->srp_dev->pd, init_attr);
 	if (IS_ERR(target->qp)) {
 		ret = PTR_ERR(target->qp);
-		ib_destroy_cq(target->cq);
-		goto out;
+		goto err_send_cq;
 	}
 
 	ret = srp_init_qp(target, target->qp);
-	if (ret) {
-		ib_destroy_qp(target->qp);
-		ib_destroy_cq(target->cq);
-		goto out;
-	}
+	if (ret)
+		goto err_qp;
 
-out:
+	kfree(init_attr);
+	return 0;
+
+err_qp:
+	ib_destroy_qp(target->qp);
+
+err_send_cq:
+	ib_destroy_cq(target->send_cq);
+
+err_recv_cq:
+	ib_destroy_cq(target->recv_cq);
+
+err:
 	kfree(init_attr);
 	return ret;
 }
@@ -270,7 +286,8 @@ static void srp_free_target_ib(struct srp_target_port *target)
 	int i;
 
 	ib_destroy_qp(target->qp);
-	ib_destroy_cq(target->cq);
+	ib_destroy_cq(target->send_cq);
+	ib_destroy_cq(target->recv_cq);
 
 	for (i = 0; i < SRP_RQ_SIZE; ++i)
 		srp_free_iu(target->srp_host, target->rx_ring[i]);
@@ -568,7 +585,9 @@ static int srp_reconnect_target(struct srp_target_port *target)
 	if (ret)
 		goto err;
 
-	while (ib_poll_cq(target->cq, 1, &wc) > 0)
+	while (ib_poll_cq(target->recv_cq, 1, &wc) > 0)
+		; /* nothing */
+	while (ib_poll_cq(target->send_cq, 1, &wc) > 0)
 		; /* nothing */
 
 	spin_lock_irq(target->scsi_host->host_lock);
@@ -851,7 +870,7 @@ static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc)
 	struct srp_iu *iu;
 	u8 opcode;
 
-	iu = target->rx_ring[wc->wr_id & ~SRP_OP_RECV];
+	iu = target->rx_ring[wc->wr_id];
 
 	dev = target->srp_host->srp_dev->dev;
 	ib_dma_sync_single_for_cpu(dev, iu->dma, target->max_ti_iu_len,
@@ -898,7 +917,7 @@ static void srp_handle_recv(struct srp_target_port *target, struct ib_wc *wc)
 				      DMA_FROM_DEVICE);
 }
 
-static void srp_completion(struct ib_cq *cq, void *target_ptr)
+static void srp_recv_completion(struct ib_cq *cq, void *target_ptr)
 {
 	struct srp_target_port *target = target_ptr;
 	struct ib_wc wc;
@@ -907,17 +926,31 @@ static void srp_completion(struct ib_cq *cq, void *target_ptr)
 	while (ib_poll_cq(cq, 1, &wc) > 0) {
 		if (wc.status) {
 			shost_printk(KERN_ERR, target->scsi_host,
-				     PFX "failed %s status %d\n",
-				     wc.wr_id & SRP_OP_RECV ? "receive" : "send",
+				     PFX "failed receive status %d\n",
 				     wc.status);
 			target->qp_in_error = 1;
 			break;
 		}
 
-		if (wc.wr_id & SRP_OP_RECV)
-			srp_handle_recv(target, &wc);
-		else
-			++target->tx_tail;
+		srp_handle_recv(target, &wc);
+	}
+}
+
+static void srp_send_completion(struct ib_cq *cq, void *target_ptr)
+{
+	struct srp_target_port *target = target_ptr;
+	struct ib_wc wc;
+
+	while (ib_poll_cq(cq, 1, &wc) > 0) {
+		if (wc.status) {
+			shost_printk(KERN_ERR, target->scsi_host,
+				     PFX "failed send status %d\n",
+				     wc.status);
+			target->qp_in_error = 1;
+			break;
+		}
+
+		++target->tx_tail;
 	}
 }
 
@@ -930,7 +963,7 @@ static int __srp_post_recv(struct srp_target_port *target)
 	int ret;
 
 	next 	 = target->rx_head & (SRP_RQ_SIZE - 1);
-	wr.wr_id = next | SRP_OP_RECV;
+	wr.wr_id = next;
 	iu 	 = target->rx_ring[next];
 
 	list.addr   = iu->dma;
@@ -970,6 +1003,8 @@ static struct srp_iu *__srp_get_tx_iu(struct srp_target_port *target,
 {
 	s32 min = (req_type == SRP_REQ_TASK_MGMT) ? 1 : 2;
 
+	srp_send_completion(target->send_cq, target);
+
 	if (target->tx_head - target->tx_tail >= SRP_SQ_SIZE)
 		return NULL;
 
diff --git a/drivers/infiniband/ulp/srp/ib_srp.h b/drivers/infiniband/ulp/srp/ib_srp.h
index e185b907fc12..5a80eac6fdaa 100644
--- a/drivers/infiniband/ulp/srp/ib_srp.h
+++ b/drivers/infiniband/ulp/srp/ib_srp.h
@@ -60,7 +60,6 @@ enum {
 	SRP_RQ_SHIFT    	= 6,
 	SRP_RQ_SIZE		= 1 << SRP_RQ_SHIFT,
 	SRP_SQ_SIZE		= SRP_RQ_SIZE - 1,
-	SRP_CQ_SIZE		= SRP_SQ_SIZE + SRP_RQ_SIZE,
 
 	SRP_TAG_TSK_MGMT	= 1 << (SRP_RQ_SHIFT + 1),
 
@@ -69,8 +68,6 @@ enum {
 	SRP_FMR_DIRTY_SIZE	= SRP_FMR_POOL_SIZE / 4
 };
 
-#define SRP_OP_RECV		(1 << 31)
-
 enum srp_target_state {
 	SRP_TARGET_LIVE,
 	SRP_TARGET_CONNECTING,
@@ -133,7 +130,8 @@ struct srp_target_port {
 	int			path_query_id;
 
 	struct ib_cm_id	       *cm_id;
-	struct ib_cq	       *cq;
+	struct ib_cq	       *recv_cq;
+	struct ib_cq	       *send_cq;
 	struct ib_qp	       *qp;
 
 	int			max_ti_iu_len;
diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c
index 9f9816baeb97..2ee6c7a68bdc 100644
--- a/drivers/input/evdev.c
+++ b/drivers/input/evdev.c
@@ -515,7 +515,7 @@ static long evdev_do_ioctl(struct file *file, unsigned int cmd,
 	struct input_absinfo abs;
 	struct ff_effect effect;
 	int __user *ip = (int __user *)p;
-	int i, t, u, v;
+	unsigned int i, t, u, v;
 	int error;
 
 	switch (cmd) {
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 41168d5f8c17..e2aad0a51826 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -582,7 +582,8 @@ static int input_fetch_keycode(struct input_dev *dev, int scancode)
 }
 
 static int input_default_getkeycode(struct input_dev *dev,
-				    int scancode, int *keycode)
+				    unsigned int scancode,
+				    unsigned int *keycode)
 {
 	if (!dev->keycodesize)
 		return -EINVAL;
@@ -596,7 +597,8 @@ static int input_default_getkeycode(struct input_dev *dev,
 }
 
 static int input_default_setkeycode(struct input_dev *dev,
-				    int scancode, int keycode)
+				    unsigned int scancode,
+				    unsigned int keycode)
 {
 	int old_keycode;
 	int i;
@@ -654,11 +656,9 @@ static int input_default_setkeycode(struct input_dev *dev,
  * This function should be called by anyone interested in retrieving current
  * keymap. Presently keyboard and evdev handlers use it.
  */
-int input_get_keycode(struct input_dev *dev, int scancode, int *keycode)
+int input_get_keycode(struct input_dev *dev,
+		      unsigned int scancode, unsigned int *keycode)
 {
-	if (scancode < 0)
-		return -EINVAL;
-
 	return dev->getkeycode(dev, scancode, keycode);
 }
 EXPORT_SYMBOL(input_get_keycode);
@@ -672,16 +672,14 @@ EXPORT_SYMBOL(input_get_keycode);
  * This function should be called by anyone needing to update current
  * keymap. Presently keyboard and evdev handlers use it.
  */
-int input_set_keycode(struct input_dev *dev, int scancode, int keycode)
+int input_set_keycode(struct input_dev *dev,
+		      unsigned int scancode, unsigned int keycode)
 {
 	unsigned long flags;
 	int old_keycode;
 	int retval;
 
-	if (scancode < 0)
-		return -EINVAL;
-
-	if (keycode < 0 || keycode > KEY_MAX)
+	if (keycode > KEY_MAX)
 		return -EINVAL;
 
 	spin_lock_irqsave(&dev->event_lock, flags);
@@ -1881,35 +1879,37 @@ static int input_open_file(struct inode *inode, struct file *file)
 	const struct file_operations *old_fops, *new_fops = NULL;
 	int err;
 
-	lock_kernel();
+	err = mutex_lock_interruptible(&input_mutex);
+	if (err)
+		return err;
+
 	/* No load-on-demand here? */
 	handler = input_table[iminor(inode) >> 5];
-	if (!handler || !(new_fops = fops_get(handler->fops))) {
-		err = -ENODEV;
-		goto out;
-	}
+	if (handler)
+		new_fops = fops_get(handler->fops);
+
+	mutex_unlock(&input_mutex);
 
 	/*
 	 * That's _really_ odd. Usually NULL ->open means "nothing special",
 	 * not "no device". Oh, well...
 	 */
-	if (!new_fops->open) {
+	if (!new_fops || !new_fops->open) {
 		fops_put(new_fops);
 		err = -ENODEV;
 		goto out;
 	}
+
 	old_fops = file->f_op;
 	file->f_op = new_fops;
 
 	err = new_fops->open(inode, file);
-
 	if (err) {
 		fops_put(file->f_op);
 		file->f_op = fops_get(old_fops);
 	}
 	fops_put(old_fops);
 out:
-	unlock_kernel();
 	return err;
 }
 
diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c
index ae998d99a5ae..7a55714a1486 100644
--- a/drivers/input/joystick/gamecon.c
+++ b/drivers/input/joystick/gamecon.c
@@ -819,7 +819,7 @@ static int __init gc_setup_pad(struct gc *gc, int idx, int pad_type)
 	int i;
 	int err;
 
-	if (pad_type < 1 || pad_type > GC_MAX) {
+	if (pad_type < 1 || pad_type >= GC_MAX) {
 		pr_err("Pad type %d unknown\n", pad_type);
 		return -EINVAL;
 	}
diff --git a/drivers/input/keyboard/bf54x-keys.c b/drivers/input/keyboard/bf54x-keys.c
index fe376a27fe57..593c052416b9 100644
--- a/drivers/input/keyboard/bf54x-keys.c
+++ b/drivers/input/keyboard/bf54x-keys.c
@@ -162,7 +162,7 @@ static irqreturn_t bfin_kpad_isr(int irq, void *dev_id)
 	input_sync(input);
 
 	if (bfin_kpad_get_keypressed(bf54x_kpad)) {
-		disable_irq(bf54x_kpad->irq);
+		disable_irq_nosync(bf54x_kpad->irq);
 		bf54x_kpad->lastkey = key;
 		mod_timer(&bf54x_kpad->timer,
 			  jiffies + bf54x_kpad->keyup_test_jiffies);
diff --git a/drivers/input/keyboard/locomokbd.c b/drivers/input/keyboard/locomokbd.c
index 9caed30f3bbb..b1ab29861e1c 100644
--- a/drivers/input/keyboard/locomokbd.c
+++ b/drivers/input/keyboard/locomokbd.c
@@ -192,11 +192,18 @@ static void locomokbd_scankeyboard(struct locomokbd *locomokbd)
 static irqreturn_t locomokbd_interrupt(int irq, void *dev_id)
 {
 	struct locomokbd *locomokbd = dev_id;
+	u16 r;
+
+	r = locomo_readl(locomokbd->base + LOCOMO_KIC);
+	if ((r & 0x0001) == 0)
+		return IRQ_HANDLED;
+
+	locomo_writel(r & ~0x0100, locomokbd->base + LOCOMO_KIC); /* Ack */
+
 	/** wait chattering delay **/
 	udelay(100);
 
 	locomokbd_scankeyboard(locomokbd);
-
 	return IRQ_HANDLED;
 }
 
@@ -210,6 +217,25 @@ static void locomokbd_timer_callback(unsigned long data)
 	locomokbd_scankeyboard(locomokbd);
 }
 
+static int locomokbd_open(struct input_dev *dev)
+{
+	struct locomokbd *locomokbd = input_get_drvdata(dev);
+	u16 r;
+	
+	r = locomo_readl(locomokbd->base + LOCOMO_KIC) | 0x0010;
+	locomo_writel(r, locomokbd->base + LOCOMO_KIC);
+	return 0;
+}
+
+static void locomokbd_close(struct input_dev *dev)
+{
+	struct locomokbd *locomokbd = input_get_drvdata(dev);
+	u16 r;
+	
+	r = locomo_readl(locomokbd->base + LOCOMO_KIC) & ~0x0010;
+	locomo_writel(r, locomokbd->base + LOCOMO_KIC);
+}
+
 static int __devinit locomokbd_probe(struct locomo_dev *dev)
 {
 	struct locomokbd *locomokbd;
@@ -253,6 +279,8 @@ static int __devinit locomokbd_probe(struct locomo_dev *dev)
 	input_dev->id.vendor = 0x0001;
 	input_dev->id.product = 0x0001;
 	input_dev->id.version = 0x0100;
+	input_dev->open = locomokbd_open;
+	input_dev->close = locomokbd_close;
 	input_dev->dev.parent = &dev->dev;
 
 	input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) |
@@ -261,6 +289,8 @@ static int __devinit locomokbd_probe(struct locomo_dev *dev)
 	input_dev->keycodesize = sizeof(locomokbd_keycode[0]);
 	input_dev->keycodemax = ARRAY_SIZE(locomokbd_keycode);
 
+	input_set_drvdata(input_dev, locomokbd);
+
 	memcpy(locomokbd->keycode, locomokbd_keycode, sizeof(locomokbd->keycode));
 	for (i = 0; i < LOCOMOKBD_NUMKEYS; i++)
 		set_bit(locomokbd->keycode[i], input_dev->keybit);
diff --git a/drivers/input/misc/88pm860x_onkey.c b/drivers/input/misc/88pm860x_onkey.c
new file mode 100644
index 000000000000..69a48e8701b9
--- /dev/null
+++ b/drivers/input/misc/88pm860x_onkey.c
@@ -0,0 +1,155 @@
+/*
+ * 88pm860x_onkey.c - Marvell 88PM860x ONKEY driver
+ *
+ * Copyright (C) 2009-2010 Marvell International Ltd.
+ *      Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of this
+ * archive for more details.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/88pm860x.h>
+
+#define PM8607_WAKEUP		0x0b
+
+#define LONG_ONKEY_EN		(1 << 1)
+#define ONKEY_STATUS		(1 << 0)
+
+struct pm860x_onkey_info {
+	struct input_dev	*idev;
+	struct pm860x_chip	*chip;
+	struct i2c_client	*i2c;
+	struct device		*dev;
+	int			irq;
+};
+
+/* 88PM860x gives us an interrupt when ONKEY is held */
+static irqreturn_t pm860x_onkey_handler(int irq, void *data)
+{
+	struct pm860x_onkey_info *info = data;
+	int ret;
+
+	ret = pm860x_reg_read(info->i2c, PM8607_STATUS_2);
+	ret &= ONKEY_STATUS;
+	input_report_key(info->idev, KEY_POWER, ret);
+	input_sync(info->idev);
+
+	/* Enable 8-second long onkey detection */
+	pm860x_set_bits(info->i2c, PM8607_WAKEUP, 3, LONG_ONKEY_EN);
+	return IRQ_HANDLED;
+}
+
+static int __devinit pm860x_onkey_probe(struct platform_device *pdev)
+{
+	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
+	struct pm860x_onkey_info *info;
+	int irq, ret;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(&pdev->dev, "No IRQ resource!\n");
+		return -EINVAL;
+	}
+
+	info = kzalloc(sizeof(struct pm860x_onkey_info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+	info->chip = chip;
+	info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
+	info->dev = &pdev->dev;
+	info->irq = irq + chip->irq_base;
+
+	info->idev = input_allocate_device();
+	if (!info->idev) {
+		dev_err(chip->dev, "Failed to allocate input dev\n");
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	info->idev->name = "88pm860x_on";
+	info->idev->phys = "88pm860x_on/input0";
+	info->idev->id.bustype = BUS_I2C;
+	info->idev->dev.parent = &pdev->dev;
+	info->irq = irq;
+	info->idev->evbit[0] = BIT_MASK(EV_KEY);
+	info->idev->keybit[BIT_WORD(KEY_POWER)] = BIT_MASK(KEY_POWER);
+
+	ret = input_register_device(info->idev);
+	if (ret) {
+		dev_err(chip->dev, "Can't register input device: %d\n", ret);
+		goto out_reg;
+	}
+
+	ret = request_threaded_irq(info->irq, NULL, pm860x_onkey_handler,
+				   IRQF_ONESHOT, "onkey", info);
+	if (ret < 0) {
+		dev_err(chip->dev, "Failed to request IRQ: #%d: %d\n",
+			info->irq, ret);
+		goto out_irq;
+	}
+
+	platform_set_drvdata(pdev, info);
+	return 0;
+
+out_irq:
+	input_unregister_device(info->idev);
+	kfree(info);
+	return ret;
+
+out_reg:
+	input_free_device(info->idev);
+out:
+	kfree(info);
+	return ret;
+}
+
+static int __devexit pm860x_onkey_remove(struct platform_device *pdev)
+{
+	struct pm860x_onkey_info *info = platform_get_drvdata(pdev);
+
+	free_irq(info->irq, info);
+	input_unregister_device(info->idev);
+	kfree(info);
+	return 0;
+}
+
+static struct platform_driver pm860x_onkey_driver = {
+	.driver		= {
+		.name	= "88pm860x-onkey",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= pm860x_onkey_probe,
+	.remove		= __devexit_p(pm860x_onkey_remove),
+};
+
+static int __init pm860x_onkey_init(void)
+{
+	return platform_driver_register(&pm860x_onkey_driver);
+}
+module_init(pm860x_onkey_init);
+
+static void __exit pm860x_onkey_exit(void)
+{
+	platform_driver_unregister(&pm860x_onkey_driver);
+}
+module_exit(pm860x_onkey_exit);
+
+MODULE_DESCRIPTION("Marvell 88PM860x ONKEY driver");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index 16ec5233441c..23140a3bb8e0 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -12,6 +12,16 @@ menuconfig INPUT_MISC
 
 if INPUT_MISC
 
+config INPUT_88PM860X_ONKEY
+	tristate "88PM860x ONKEY support"
+	depends on MFD_88PM860X
+	help
+	  Support the ONKEY of Marvell 88PM860x PMICs as an input device
+	  reporting power button status.
+
+	  To compile this driver as a module, choose M here: the module
+	  will be called 88pm860x_onkey.
+
 config INPUT_PCSPKR
 	tristate "PC Speaker support"
 	depends on PCSPKR_PLATFORM
@@ -204,6 +214,17 @@ config INPUT_TWL4030_PWRBUTTON
 	  To compile this driver as a module, choose M here. The module will
 	  be called twl4030_pwrbutton.
 
+config INPUT_TWL4030_VIBRA
+	tristate "Support for TWL4030 Vibrator"
+	depends on TWL4030_CORE
+	select TWL4030_CODEC
+	select INPUT_FF_MEMLESS
+	help
+	  This option enables support for TWL4030 Vibrator Driver.
+
+	  To compile this driver as a module, choose M here. The module will
+	  be called twl4030_vibra.
+
 config INPUT_UINPUT
 	tristate "User level driver support"
 	help
diff --git a/drivers/input/misc/Makefile b/drivers/input/misc/Makefile
index a8b84854fb7b..7e95a5d474dc 100644
--- a/drivers/input/misc/Makefile
+++ b/drivers/input/misc/Makefile
@@ -4,6 +4,7 @@
 
 # Each configuration option enables a list of files.
 
+obj-$(CONFIG_INPUT_88PM860X_ONKEY)	+= 88pm860x_onkey.o
 obj-$(CONFIG_INPUT_APANEL)		+= apanel.o
 obj-$(CONFIG_INPUT_ATI_REMOTE)		+= ati_remote.o
 obj-$(CONFIG_INPUT_ATI_REMOTE2)		+= ati_remote2.o
@@ -25,6 +26,7 @@ obj-$(CONFIG_INPUT_GPIO_ROTARY_ENCODER)	+= rotary_encoder.o
 obj-$(CONFIG_INPUT_SGI_BTNS)		+= sgi_btns.o
 obj-$(CONFIG_INPUT_SPARCSPKR)		+= sparcspkr.o
 obj-$(CONFIG_INPUT_TWL4030_PWRBUTTON)	+= twl4030-pwrbutton.o
+obj-$(CONFIG_INPUT_TWL4030_VIBRA)	+= twl4030-vibra.o
 obj-$(CONFIG_INPUT_UINPUT)		+= uinput.o
 obj-$(CONFIG_INPUT_WINBOND_CIR)		+= winbond-cir.o
 obj-$(CONFIG_INPUT_WISTRON_BTNS)	+= wistron_btns.o
diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c
index 0501f0e65157..15be5430bc6d 100644
--- a/drivers/input/misc/ati_remote2.c
+++ b/drivers/input/misc/ati_remote2.c
@@ -474,10 +474,11 @@ static void ati_remote2_complete_key(struct urb *urb)
 }
 
 static int ati_remote2_getkeycode(struct input_dev *idev,
-				  int scancode, int *keycode)
+				  unsigned int scancode, unsigned int *keycode)
 {
 	struct ati_remote2 *ar2 = input_get_drvdata(idev);
-	int index, mode;
+	unsigned int mode;
+	int index;
 
 	mode = scancode >> 8;
 	if (mode > ATI_REMOTE2_PC || !((1 << mode) & ar2->mode_mask))
@@ -491,10 +492,12 @@ static int ati_remote2_getkeycode(struct input_dev *idev,
 	return 0;
 }
 
-static int ati_remote2_setkeycode(struct input_dev *idev, int scancode, int keycode)
+static int ati_remote2_setkeycode(struct input_dev *idev,
+				  unsigned int scancode, unsigned int keycode)
 {
 	struct ati_remote2 *ar2 = input_get_drvdata(idev);
-	int index, mode, old_keycode;
+	unsigned int mode, old_keycode;
+	int index;
 
 	mode = scancode >> 8;
 	if (mode > ATI_REMOTE2_PC || !((1 << mode) & ar2->mode_mask))
@@ -504,9 +507,6 @@ static int ati_remote2_setkeycode(struct input_dev *idev, int scancode, int keyc
 	if (index < 0)
 		return -EINVAL;
 
-	if (keycode < KEY_RESERVED || keycode > KEY_MAX)
-		return -EINVAL;
-
 	old_keycode = ar2->keycode[mode][index];
 	ar2->keycode[mode][index] = keycode;
 	__set_bit(keycode, idev->keybit);
diff --git a/drivers/input/misc/twl4030-vibra.c b/drivers/input/misc/twl4030-vibra.c
new file mode 100644
index 000000000000..2fb79e064da3
--- /dev/null
+++ b/drivers/input/misc/twl4030-vibra.c
@@ -0,0 +1,297 @@
+/*
+ * twl4030-vibra.c - TWL4030 Vibrator driver
+ *
+ * Copyright (C) 2008-2010 Nokia Corporation
+ *
+ * Written by Henrik Saari <henrik.saari@nokia.com>
+ * Updates by Felipe Balbi <felipe.balbi@nokia.com>
+ * Input by Jari Vanhala <ext-jari.vanhala@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/jiffies.h>
+#include <linux/platform_device.h>
+#include <linux/workqueue.h>
+#include <linux/i2c/twl.h>
+#include <linux/mfd/twl4030-codec.h>
+#include <linux/input.h>
+
+/* MODULE ID2 */
+#define LEDEN		0x00
+
+/* ForceFeedback */
+#define EFFECT_DIR_180_DEG	0x8000 /* range is 0 - 0xFFFF */
+
+struct vibra_info {
+	struct device		*dev;
+	struct input_dev	*input_dev;
+
+	struct workqueue_struct *workqueue;
+	struct work_struct	play_work;
+
+	bool			enabled;
+	int			speed;
+	int			direction;
+
+	bool			coexist;
+};
+
+static void vibra_disable_leds(void)
+{
+	u8 reg;
+
+	/* Disable LEDA & LEDB, cannot be used with vibra (PWM) */
+	twl_i2c_read_u8(TWL4030_MODULE_LED, &reg, LEDEN);
+	reg &= ~0x03;
+	twl_i2c_write_u8(TWL4030_MODULE_LED, LEDEN, reg);
+}
+
+/* Powers H-Bridge and enables audio clk */
+static void vibra_enable(struct vibra_info *info)
+{
+	u8 reg;
+
+	twl4030_codec_enable_resource(TWL4030_CODEC_RES_POWER);
+
+	/* turn H-Bridge on */
+	twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE,
+			&reg, TWL4030_REG_VIBRA_CTL);
+	twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
+			 (reg | TWL4030_VIBRA_EN), TWL4030_REG_VIBRA_CTL);
+
+	twl4030_codec_enable_resource(TWL4030_CODEC_RES_APLL);
+
+	info->enabled = true;
+}
+
+static void vibra_disable(struct vibra_info *info)
+{
+	u8 reg;
+
+	/* Power down H-Bridge */
+	twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE,
+			&reg, TWL4030_REG_VIBRA_CTL);
+	twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
+			 (reg & ~TWL4030_VIBRA_EN), TWL4030_REG_VIBRA_CTL);
+
+	twl4030_codec_disable_resource(TWL4030_CODEC_RES_POWER);
+	twl4030_codec_disable_resource(TWL4030_CODEC_RES_APLL);
+
+	info->enabled = false;
+}
+
+static void vibra_play_work(struct work_struct *work)
+{
+	struct vibra_info *info = container_of(work,
+			struct vibra_info, play_work);
+	int dir;
+	int pwm;
+	u8 reg;
+
+	dir = info->direction;
+	pwm = info->speed;
+
+	twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE,
+			&reg, TWL4030_REG_VIBRA_CTL);
+	if (pwm && (!info->coexist || !(reg & TWL4030_VIBRA_SEL))) {
+
+		if (!info->enabled)
+			vibra_enable(info);
+
+		/* set vibra rotation direction */
+		twl_i2c_read_u8(TWL4030_MODULE_AUDIO_VOICE,
+				&reg, TWL4030_REG_VIBRA_CTL);
+		reg = (dir) ? (reg | TWL4030_VIBRA_DIR) :
+			(reg & ~TWL4030_VIBRA_DIR);
+		twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
+				 reg, TWL4030_REG_VIBRA_CTL);
+
+		/* set PWM, 1 = max, 255 = min */
+		twl_i2c_write_u8(TWL4030_MODULE_AUDIO_VOICE,
+				 256 - pwm, TWL4030_REG_VIBRA_SET);
+	} else {
+		if (info->enabled)
+			vibra_disable(info);
+	}
+}
+
+/*** Input/ForceFeedback ***/
+
+static int vibra_play(struct input_dev *input, void *data,
+		      struct ff_effect *effect)
+{
+	struct vibra_info *info = input_get_drvdata(input);
+
+	info->speed = effect->u.rumble.strong_magnitude >> 8;
+	if (!info->speed)
+		info->speed = effect->u.rumble.weak_magnitude >> 9;
+	info->direction = effect->direction < EFFECT_DIR_180_DEG ? 0 : 1;
+	queue_work(info->workqueue, &info->play_work);
+	return 0;
+}
+
+static int twl4030_vibra_open(struct input_dev *input)
+{
+	struct vibra_info *info = input_get_drvdata(input);
+
+	info->workqueue = create_singlethread_workqueue("vibra");
+	if (info->workqueue == NULL) {
+		dev_err(&input->dev, "couldn't create workqueue\n");
+		return -ENOMEM;
+	}
+	return 0;
+}
+
+static void twl4030_vibra_close(struct input_dev *input)
+{
+	struct vibra_info *info = input_get_drvdata(input);
+
+	cancel_work_sync(&info->play_work);
+	INIT_WORK(&info->play_work, vibra_play_work); /* cleanup */
+	destroy_workqueue(info->workqueue);
+	info->workqueue = NULL;
+
+	if (info->enabled)
+		vibra_disable(info);
+}
+
+/*** Module ***/
+#if CONFIG_PM
+static int twl4030_vibra_suspend(struct device *dev)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct vibra_info *info = platform_get_drvdata(pdev);
+
+	if (info->enabled)
+		vibra_disable(info);
+
+	return 0;
+}
+
+static int twl4030_vibra_resume(struct device *dev)
+{
+	vibra_disable_leds();
+	return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(twl4030_vibra_pm_ops,
+			 twl4030_vibra_suspend, twl4030_vibra_resume);
+#endif
+
+static int __devinit twl4030_vibra_probe(struct platform_device *pdev)
+{
+	struct twl4030_codec_vibra_data *pdata = pdev->dev.platform_data;
+	struct vibra_info *info;
+	int ret;
+
+	if (!pdata) {
+		dev_dbg(&pdev->dev, "platform_data not available\n");
+		return -EINVAL;
+	}
+
+	info = kzalloc(sizeof(*info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	info->dev = &pdev->dev;
+	info->coexist = pdata->coexist;
+	INIT_WORK(&info->play_work, vibra_play_work);
+
+	info->input_dev = input_allocate_device();
+	if (info->input_dev == NULL) {
+		dev_err(&pdev->dev, "couldn't allocate input device\n");
+		ret = -ENOMEM;
+		goto err_kzalloc;
+	}
+
+	input_set_drvdata(info->input_dev, info);
+
+	info->input_dev->name = "twl4030:vibrator";
+	info->input_dev->id.version = 1;
+	info->input_dev->dev.parent = pdev->dev.parent;
+	info->input_dev->open = twl4030_vibra_open;
+	info->input_dev->close = twl4030_vibra_close;
+	__set_bit(FF_RUMBLE, info->input_dev->ffbit);
+
+	ret = input_ff_create_memless(info->input_dev, NULL, vibra_play);
+	if (ret < 0) {
+		dev_dbg(&pdev->dev, "couldn't register vibrator to FF\n");
+		goto err_ialloc;
+	}
+
+	ret = input_register_device(info->input_dev);
+	if (ret < 0) {
+		dev_dbg(&pdev->dev, "couldn't register input device\n");
+		goto err_iff;
+	}
+
+	vibra_disable_leds();
+
+	platform_set_drvdata(pdev, info);
+	return 0;
+
+err_iff:
+	input_ff_destroy(info->input_dev);
+err_ialloc:
+	input_free_device(info->input_dev);
+err_kzalloc:
+	kfree(info);
+	return ret;
+}
+
+static int __devexit twl4030_vibra_remove(struct platform_device *pdev)
+{
+	struct vibra_info *info = platform_get_drvdata(pdev);
+
+	/* this also free ff-memless and calls close if needed */
+	input_unregister_device(info->input_dev);
+	kfree(info);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static struct platform_driver twl4030_vibra_driver = {
+	.probe		= twl4030_vibra_probe,
+	.remove		= __devexit_p(twl4030_vibra_remove),
+	.driver		= {
+		.name	= "twl4030_codec_vibra",
+		.owner	= THIS_MODULE,
+#ifdef CONFIG_PM
+		.pm	= &twl4030_vibra_pm_ops,
+#endif
+	},
+};
+
+static int __init twl4030_vibra_init(void)
+{
+	return platform_driver_register(&twl4030_vibra_driver);
+}
+module_init(twl4030_vibra_init);
+
+static void __exit twl4030_vibra_exit(void)
+{
+	platform_driver_unregister(&twl4030_vibra_driver);
+}
+module_exit(twl4030_vibra_exit);
+
+MODULE_ALIAS("platform:twl4030_codec_vibra");
+
+MODULE_DESCRIPTION("TWL4030 Vibra driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Nokia Corporation");
diff --git a/drivers/input/misc/winbond-cir.c b/drivers/input/misc/winbond-cir.c
index cbec3dfdd42b..9c155a43abc2 100644
--- a/drivers/input/misc/winbond-cir.c
+++ b/drivers/input/misc/winbond-cir.c
@@ -385,26 +385,24 @@ wbcir_do_getkeycode(struct wbcir_data *data, u32 scancode)
 }
 
 static int
-wbcir_getkeycode(struct input_dev *dev, int scancode, int *keycode)
+wbcir_getkeycode(struct input_dev *dev,
+		 unsigned int scancode, unsigned int *keycode)
 {
 	struct wbcir_data *data = input_get_drvdata(dev);
 
-	*keycode = (int)wbcir_do_getkeycode(data, (u32)scancode);
+	*keycode = wbcir_do_getkeycode(data, scancode);
 	return 0;
 }
 
 static int
-wbcir_setkeycode(struct input_dev *dev, int sscancode, int keycode)
+wbcir_setkeycode(struct input_dev *dev,
+		 unsigned int scancode, unsigned int keycode)
 {
 	struct wbcir_data *data = input_get_drvdata(dev);
 	struct wbcir_keyentry *keyentry;
 	struct wbcir_keyentry *new_keyentry;
 	unsigned long flags;
 	unsigned int old_keycode = KEY_RESERVED;
-	u32 scancode = (u32)sscancode;
-
-	if (keycode < 0 || keycode > KEY_MAX)
-		return -EINVAL;
 
 	new_keyentry = kmalloc(sizeof(*new_keyentry), GFP_KERNEL);
 	if (!new_keyentry)
diff --git a/drivers/input/misc/wm831x-on.c b/drivers/input/misc/wm831x-on.c
index ba4f5dd7c60e..1e54bce72db5 100644
--- a/drivers/input/misc/wm831x-on.c
+++ b/drivers/input/misc/wm831x-on.c
@@ -97,8 +97,9 @@ static int __devinit wm831x_on_probe(struct platform_device *pdev)
 	wm831x_on->dev->phys = "wm831x_on/input0";
 	wm831x_on->dev->dev.parent = &pdev->dev;
 
-	ret = wm831x_request_irq(wm831x, irq, wm831x_on_irq,
-				 IRQF_TRIGGER_RISING, "wm831x_on", wm831x_on);
+	ret = request_threaded_irq(irq, NULL, wm831x_on_irq,
+				   IRQF_TRIGGER_RISING, "wm831x_on",
+				   wm831x_on);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Unable to request IRQ: %d\n", ret);
 		goto err_input_dev;
@@ -114,7 +115,7 @@ static int __devinit wm831x_on_probe(struct platform_device *pdev)
 	return 0;
 
 err_irq:
-	wm831x_free_irq(wm831x, irq, NULL);
+	free_irq(irq, wm831x_on);
 err_input_dev:
 	input_free_device(wm831x_on->dev);
 err:
@@ -127,7 +128,7 @@ static int __devexit wm831x_on_remove(struct platform_device *pdev)
 	struct wm831x_on *wm831x_on = platform_get_drvdata(pdev);
 	int irq = platform_get_irq(pdev, 0);
 
-	wm831x_free_irq(wm831x_on->wm831x, irq, wm831x_on);
+	free_irq(irq, wm831x_on);
 	cancel_delayed_work_sync(&wm831x_on->work);
 	input_unregister_device(wm831x_on->dev);
 	kfree(wm831x_on);
diff --git a/drivers/input/misc/yealink.h b/drivers/input/misc/yealink.h
index 48af0be9cbdf..1e0f52397010 100644
--- a/drivers/input/misc/yealink.h
+++ b/drivers/input/misc/yealink.h
@@ -127,7 +127,7 @@ struct yld_ctl_packet {
  * yld_status struct.
  */
 
-/* LCD, each segment must be driven seperately.
+/* LCD, each segment must be driven separately.
  *
  * Layout:
  *
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index f93c2c0daf1f..7490f1da4a53 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -63,6 +63,8 @@ static const struct alps_model_info alps_model_data[] = {
 	{ { 0x62, 0x02, 0x14 }, 0xcf, 0xcf,
 		ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED },
 	{ { 0x73, 0x02, 0x50 }, 0xcf, 0xcf, ALPS_FOUR_BUTTONS },	  /* Dell Vostro 1400 */
+	{ { 0x52, 0x01, 0x14 }, 0xff, 0xff,
+		ALPS_PASS | ALPS_DUALPOINT | ALPS_PS2_INTERLEAVED },	  /* Toshiba Tecra A11-11L */
 };
 
 /*
@@ -118,40 +120,27 @@ static void alps_report_buttons(struct psmouse *psmouse,
 				struct input_dev *dev1, struct input_dev *dev2,
 				int left, int right, int middle)
 {
-	struct alps_data *priv = psmouse->private;
-	const struct alps_model_info *model = priv->i;
-
-	if (model->flags & ALPS_PS2_INTERLEAVED) {
-		struct input_dev *dev;
+	struct input_dev *dev;
 
-		/*
-		 * If shared button has already been reported on the
-		 * other device (dev2) then this event should be also
-		 * sent through that device.
-		 */
-		dev = test_bit(BTN_LEFT, dev2->key) ? dev2 : dev1;
-		input_report_key(dev, BTN_LEFT, left);
+	/*
+	 * If shared button has already been reported on the
+	 * other device (dev2) then this event should be also
+	 * sent through that device.
+	 */
+	dev = test_bit(BTN_LEFT, dev2->key) ? dev2 : dev1;
+	input_report_key(dev, BTN_LEFT, left);
 
-		dev = test_bit(BTN_RIGHT, dev2->key) ? dev2 : dev1;
-		input_report_key(dev, BTN_RIGHT, right);
+	dev = test_bit(BTN_RIGHT, dev2->key) ? dev2 : dev1;
+	input_report_key(dev, BTN_RIGHT, right);
 
-		dev = test_bit(BTN_MIDDLE, dev2->key) ? dev2 : dev1;
-		input_report_key(dev, BTN_MIDDLE, middle);
+	dev = test_bit(BTN_MIDDLE, dev2->key) ? dev2 : dev1;
+	input_report_key(dev, BTN_MIDDLE, middle);
 
-		/*
-		 * Sync the _other_ device now, we'll do the first
-		 * device later once we report the rest of the events.
-		 */
-		input_sync(dev2);
-	} else {
-		/*
-		 * For devices with non-interleaved packets we know what
-		 * device buttons belong to so we can simply report them.
-		 */
-		input_report_key(dev1, BTN_LEFT, left);
-		input_report_key(dev1, BTN_RIGHT, right);
-		input_report_key(dev1, BTN_MIDDLE, middle);
-	}
+	/*
+	 * Sync the _other_ device now, we'll do the first
+	 * device later once we report the rest of the events.
+	 */
+	input_sync(dev2);
 }
 
 static void alps_process_packet(struct psmouse *psmouse)
diff --git a/drivers/input/mouse/appletouch.c b/drivers/input/mouse/appletouch.c
index 908b5b44052f..53ec7ddd1826 100644
--- a/drivers/input/mouse/appletouch.c
+++ b/drivers/input/mouse/appletouch.c
@@ -205,8 +205,8 @@ struct atp {
 	bool			overflow_warned;
 	int			x_old;		/* last reported x/y, */
 	int			y_old;		/* used for smoothing */
-	signed char		xy_cur[ATP_XSENSORS + ATP_YSENSORS];
-	signed char		xy_old[ATP_XSENSORS + ATP_YSENSORS];
+	u8			xy_cur[ATP_XSENSORS + ATP_YSENSORS];
+	u8			xy_old[ATP_XSENSORS + ATP_YSENSORS];
 	int			xy_acc[ATP_XSENSORS + ATP_YSENSORS];
 	int			idlecount;	/* number of empty packets */
 	struct work_struct	work;
@@ -531,7 +531,7 @@ static void atp_complete_geyser_1_2(struct urb *urb)
 
 	for (i = 0; i < ATP_XSENSORS + ATP_YSENSORS; i++) {
 		/* accumulate the change */
-		signed char change = dev->xy_old[i] - dev->xy_cur[i];
+		int change = dev->xy_old[i] - dev->xy_cur[i];
 		dev->xy_acc[i] -= change;
 
 		/* prevent down drifting */
diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c
index a13d80f7da17..f34b22bce4ff 100644
--- a/drivers/input/mousedev.c
+++ b/drivers/input/mousedev.c
@@ -15,7 +15,6 @@
 
 #include <linux/sched.h>
 #include <linux/slab.h>
-#include <linux/smp_lock.h>
 #include <linux/poll.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -542,10 +541,8 @@ static int mousedev_open(struct inode *inode, struct file *file)
 	if (i >= MOUSEDEV_MINORS)
 		return -ENODEV;
 
-	lock_kernel();
 	error = mutex_lock_interruptible(&mousedev_table_mutex);
 	if (error) {
-		unlock_kernel();
 		return error;
 	}
 	mousedev = mousedev_table[i];
@@ -554,7 +551,6 @@ static int mousedev_open(struct inode *inode, struct file *file)
 	mutex_unlock(&mousedev_table_mutex);
 
 	if (!mousedev) {
-		unlock_kernel();
 		return -ENODEV;
 	}
 
@@ -575,7 +571,6 @@ static int mousedev_open(struct inode *inode, struct file *file)
 		goto err_free_client;
 
 	file->private_data = client;
-	unlock_kernel();
 	return 0;
 
  err_free_client:
@@ -583,7 +578,6 @@ static int mousedev_open(struct inode *inode, struct file *file)
 	kfree(client);
  err_put_mousedev:
 	put_device(&mousedev->dev);
-	unlock_kernel();
 	return error;
 }
 
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 2a5982e532f8..ead0494721d0 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -442,6 +442,13 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
 		},
 	},
 	{
+		/* Medion Akoya E1222 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
+		},
+	},
+	{
 		/* Mivvy M310 */
 		.matches = {
 			DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
@@ -624,6 +631,9 @@ static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *
 		strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
 	}
 
+	/* Keyboard ports are always supposed to be wakeup-enabled */
+	device_set_wakeup_enable(&dev->dev, true);
+
 	i8042_pnp_kbd_devices++;
 	return 0;
 }
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index b54aee7cd9e3..9302ba0e48f8 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -430,7 +430,7 @@ static bool i8042_filter(unsigned char data, unsigned char str,
 	}
 
 	if (i8042_platform_filter && i8042_platform_filter(data, str, serio)) {
-		dbg("Filtered out by platfrom filter\n");
+		dbg("Filtered out by platform filter\n");
 		return true;
 	}
 
@@ -1386,6 +1386,8 @@ static int __init i8042_probe(struct platform_device *dev)
 {
 	int error;
 
+	i8042_platform_device = dev;
+
 	error = i8042_controller_selftest();
 	if (error)
 		return error;
@@ -1421,6 +1423,7 @@ static int __init i8042_probe(struct platform_device *dev)
 	i8042_free_aux_ports();	/* in case KBD failed but AUX not */
 	i8042_free_irqs();
 	i8042_controller_reset();
+	i8042_platform_device = NULL;
 
 	return error;
 }
@@ -1430,6 +1433,7 @@ static int __devexit i8042_remove(struct platform_device *dev)
 	i8042_unregister_ports();
 	i8042_free_irqs();
 	i8042_controller_reset();
+	i8042_platform_device = NULL;
 
 	return 0;
 }
@@ -1448,6 +1452,7 @@ static struct platform_driver i8042_driver = {
 
 static int __init i8042_init(void)
 {
+	struct platform_device *pdev;
 	int err;
 
 	dbg_init();
@@ -1460,31 +1465,18 @@ static int __init i8042_init(void)
 	if (err)
 		goto err_platform_exit;
 
-	i8042_platform_device = platform_device_alloc("i8042", -1);
-	if (!i8042_platform_device) {
-		err = -ENOMEM;
+	pdev = platform_create_bundle(&i8042_driver, i8042_probe, NULL, 0, NULL, 0);
+	if (IS_ERR(pdev)) {
+		err = PTR_ERR(pdev);
 		goto err_platform_exit;
 	}
 
-	err = platform_device_add(i8042_platform_device);
-	if (err)
-		goto err_free_device;
-
-	err = platform_driver_probe(&i8042_driver, i8042_probe);
-	if (err)
-		goto err_del_device;
-
 	panic_blink = i8042_panic_blink;
 
 	return 0;
 
- err_del_device:
-	platform_device_del(i8042_platform_device);
- err_free_device:
-	platform_device_put(i8042_platform_device);
  err_platform_exit:
 	i8042_platform_exit();
-
 	return err;
 }
 
diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c
index 27fdaaffbb40..998664854440 100644
--- a/drivers/input/serio/serio_raw.c
+++ b/drivers/input/serio/serio_raw.c
@@ -81,12 +81,12 @@ static int serio_raw_open(struct inode *inode, struct file *file)
 	struct serio_raw_list *list;
 	int retval = 0;
 
-	lock_kernel();
 	retval = mutex_lock_interruptible(&serio_raw_mutex);
 	if (retval)
-		goto out_bkl;
+		return retval;
 
-	if (!(serio_raw = serio_raw_locate(iminor(inode)))) {
+	serio_raw = serio_raw_locate(iminor(inode));
+	if (!serio_raw) {
 		retval = -ENODEV;
 		goto out;
 	}
@@ -96,7 +96,8 @@ static int serio_raw_open(struct inode *inode, struct file *file)
 		goto out;
 	}
 
-	if (!(list = kzalloc(sizeof(struct serio_raw_list), GFP_KERNEL))) {
+	list = kzalloc(sizeof(struct serio_raw_list), GFP_KERNEL);
+	if (!list) {
 		retval = -ENOMEM;
 		goto out;
 	}
@@ -109,8 +110,6 @@ static int serio_raw_open(struct inode *inode, struct file *file)
 
 out:
 	mutex_unlock(&serio_raw_mutex);
-out_bkl:
-	unlock_kernel();
 	return retval;
 }
 
diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c
index fbd3987af57f..e6bde55e5203 100644
--- a/drivers/input/sparse-keymap.c
+++ b/drivers/input/sparse-keymap.c
@@ -64,7 +64,8 @@ struct key_entry *sparse_keymap_entry_from_keycode(struct input_dev *dev,
 EXPORT_SYMBOL(sparse_keymap_entry_from_keycode);
 
 static int sparse_keymap_getkeycode(struct input_dev *dev,
-				    int scancode, int *keycode)
+				    unsigned int scancode,
+				    unsigned int *keycode)
 {
 	const struct key_entry *key =
 			sparse_keymap_entry_from_scancode(dev, scancode);
@@ -78,7 +79,8 @@ static int sparse_keymap_getkeycode(struct input_dev *dev,
 }
 
 static int sparse_keymap_setkeycode(struct input_dev *dev,
-				    int scancode, int keycode)
+				    unsigned int scancode,
+				    unsigned int keycode)
 {
 	struct key_entry *key;
 	int old_keycode;
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index 7d005a3616d7..4be039d7dcad 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -362,7 +362,7 @@ static const int macroKeyEvents[] = {
 };
 
 /***********************************************************************
- * Map values to strings and back. Every map shoudl have the following
+ * Map values to strings and back. Every map should have the following
  * as its last element: { NULL, AIPTEK_INVALID_VALUE }.
  */
 #define AIPTEK_INVALID_VALUE	-1
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index a1770e6feeec..8b5d2873f0c4 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -371,7 +371,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
 					} else if (pen) {
 						/* penabled only accepts exact bytes of data */
 						if (features->type == TABLETPC2FG)
-							features->pktlen = WACOM_PKGLEN_PENABLED;
+							features->pktlen = WACOM_PKGLEN_GRAPHIRE;
 						features->device_type = BTN_TOOL_PEN;
 						features->x_max =
 							wacom_le16_to_cpu(&report[i + 3]);
@@ -410,7 +410,7 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi
 					} else if (pen) {
 						/* penabled only accepts exact bytes of data */
 						if (features->type == TABLETPC2FG)
-							features->pktlen = WACOM_PKGLEN_PENABLED;
+							features->pktlen = WACOM_PKGLEN_GRAPHIRE;
 						features->device_type = BTN_TOOL_PEN;
 						features->y_max =
 							wacom_le16_to_cpu(&report[i + 3]);
diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c
index 3d81443e683a..b3ba3437a2eb 100644
--- a/drivers/input/tablet/wacom_wac.c
+++ b/drivers/input/tablet/wacom_wac.c
@@ -155,19 +155,19 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
 {
 	struct wacom_features *features = &wacom->features;
 	unsigned char *data = wacom->data;
-	int x, y, rw;
-	static int penData = 0;
+	int x, y, prox;
+	int rw = 0;
+	int retval = 0;
 
 	if (data[0] != WACOM_REPORT_PENABLED) {
 		dbg("wacom_graphire_irq: received unknown report #%d", data[0]);
-		return 0;
+		goto exit;
 	}
 
-	if (data[1] & 0x80) {
-		/* in prox and not a pad data */
-		penData = 1;
-
-		switch ((data[1] >> 5) & 3) {
+	prox = data[1] & 0x80;
+	if (prox || wacom->id[0]) {
+		if (prox) {
+			switch ((data[1] >> 5) & 3) {
 
 			case 0:	/* Pen */
 				wacom->tool[0] = BTN_TOOL_PEN;
@@ -181,23 +181,13 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
 
 			case 2: /* Mouse with wheel */
 				wacom_report_key(wcombo, BTN_MIDDLE, data[1] & 0x04);
-				if (features->type == WACOM_G4 || features->type == WACOM_MO) {
-					rw = data[7] & 0x04 ? (data[7] & 0x03)-4 : (data[7] & 0x03);
-					wacom_report_rel(wcombo, REL_WHEEL, -rw);
-				} else
-					wacom_report_rel(wcombo, REL_WHEEL, -(signed char) data[6]);
 				/* fall through */
 
 			case 3: /* Mouse without wheel */
 				wacom->tool[0] = BTN_TOOL_MOUSE;
 				wacom->id[0] = CURSOR_DEVICE_ID;
-				wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01);
-				wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02);
-				if (features->type == WACOM_G4 || features->type == WACOM_MO)
-					wacom_report_abs(wcombo, ABS_DISTANCE, data[6] & 0x3f);
-				else
-					wacom_report_abs(wcombo, ABS_DISTANCE, data[7] & 0x3f);
 				break;
+			}
 		}
 		x = wacom_le16_to_cpu(&data[2]);
 		y = wacom_le16_to_cpu(&data[4]);
@@ -208,36 +198,32 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
 			wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x01);
 			wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
 			wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x04);
-		}
-		wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
-		wacom_report_key(wcombo, wacom->tool[0], 1);
-	} else if (wacom->id[0]) {
-		wacom_report_abs(wcombo, ABS_X, 0);
-		wacom_report_abs(wcombo, ABS_Y, 0);
-		if (wacom->tool[0] == BTN_TOOL_MOUSE) {
-			wacom_report_key(wcombo, BTN_LEFT, 0);
-			wacom_report_key(wcombo, BTN_RIGHT, 0);
-			wacom_report_abs(wcombo, ABS_DISTANCE, 0);
 		} else {
-			wacom_report_abs(wcombo, ABS_PRESSURE, 0);
-			wacom_report_key(wcombo, BTN_TOUCH, 0);
-			wacom_report_key(wcombo, BTN_STYLUS, 0);
-			wacom_report_key(wcombo, BTN_STYLUS2, 0);
+			wacom_report_key(wcombo, BTN_LEFT, data[1] & 0x01);
+			wacom_report_key(wcombo, BTN_RIGHT, data[1] & 0x02);
+			if (features->type == WACOM_G4 ||
+					features->type == WACOM_MO) {
+				wacom_report_abs(wcombo, ABS_DISTANCE, data[6] & 0x3f);
+				rw = (signed)(data[7] & 0x04) - (data[7] & 0x03);
+			} else {
+				wacom_report_abs(wcombo, ABS_DISTANCE, data[7] & 0x3f);
+				rw = -(signed)data[6];
+			}
+			wacom_report_rel(wcombo, REL_WHEEL, rw);
 		}
-		wacom->id[0] = 0;
-		wacom_report_abs(wcombo, ABS_MISC, 0); /* reset tool id */
-		wacom_report_key(wcombo, wacom->tool[0], 0);
+
+		if (!prox)
+			wacom->id[0] = 0;
+		wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]); /* report tool id */
+		wacom_report_key(wcombo, wacom->tool[0], prox);
+		wacom_input_sync(wcombo); /* sync last event */
 	}
 
 	/* send pad data */
 	switch (features->type) {
 	    case WACOM_G4:
-		if (data[7] & 0xf8) {
-			if (penData) {
-				wacom_input_sync(wcombo); /* sync last event */
-				if (!wacom->id[0])
-					penData = 0;
-			}
+		prox = data[7] & 0xf8;
+		if (prox || wacom->id[1]) {
 			wacom->id[1] = PAD_DEVICE_ID;
 			wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
 			wacom_report_key(wcombo, BTN_4, (data[7] & 0x80));
@@ -245,29 +231,16 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
 			wacom_report_rel(wcombo, REL_WHEEL, rw);
 			wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
 			wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
-			wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
-		} else if (wacom->id[1]) {
-			if (penData) {
-				wacom_input_sync(wcombo); /* sync last event */
-				if (!wacom->id[0])
-					penData = 0;
-			}
-			wacom->id[1] = 0;
-			wacom_report_key(wcombo, BTN_0, (data[7] & 0x40));
-			wacom_report_key(wcombo, BTN_4, (data[7] & 0x80));
-			wacom_report_rel(wcombo, REL_WHEEL, 0);
-			wacom_report_key(wcombo, BTN_TOOL_FINGER, 0);
-			wacom_report_abs(wcombo, ABS_MISC, 0);
+			if (!prox)
+				wacom->id[1] = 0;
+			wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
 			wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
 		}
+		retval = 1;
 		break;
 	    case WACOM_MO:
-		if ((data[7] & 0xf8) || (data[8] & 0xff)) {
-			if (penData) {
-				wacom_input_sync(wcombo); /* sync last event */
-				if (!wacom->id[0])
-					penData = 0;
-			}
+		prox = (data[7] & 0xf8) || data[8];
+		if (prox || wacom->id[1]) {
 			wacom->id[1] = PAD_DEVICE_ID;
 			wacom_report_key(wcombo, BTN_0, (data[7] & 0x08));
 			wacom_report_key(wcombo, BTN_1, (data[7] & 0x20));
@@ -275,27 +248,16 @@ static int wacom_graphire_irq(struct wacom_wac *wacom, void *wcombo)
 			wacom_report_key(wcombo, BTN_5, (data[7] & 0x40));
 			wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f));
 			wacom_report_key(wcombo, BTN_TOOL_FINGER, 0xf0);
+			if (!prox)
+				wacom->id[1] = 0;
 			wacom_report_abs(wcombo, ABS_MISC, wacom->id[1]);
 			wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
-		} else if (wacom->id[1]) {
-			if (penData) {
-				wacom_input_sync(wcombo); /* sync last event */
-				if (!wacom->id[0])
-					penData = 0;
-			}
-			wacom->id[1] = 0;
-			wacom_report_key(wcombo, BTN_0, (data[7] & 0x08));
-			wacom_report_key(wcombo, BTN_1, (data[7] & 0x20));
-			wacom_report_key(wcombo, BTN_4, (data[7] & 0x10));
-			wacom_report_key(wcombo, BTN_5, (data[7] & 0x40));
-			wacom_report_abs(wcombo, ABS_WHEEL, (data[8] & 0x7f));
-			wacom_report_key(wcombo, BTN_TOOL_FINGER, 0);
-			wacom_report_abs(wcombo, ABS_MISC, 0);
-			wacom_input_event(wcombo, EV_MSC, MSC_SERIAL, 0xf0);
 		}
+		retval = 1;
 		break;
 	}
-	return 1;
+exit:
+	return retval;
 }
 
 static int wacom_intuos_inout(struct wacom_wac *wacom, void *wcombo)
@@ -636,9 +598,9 @@ static int wacom_intuos_irq(struct wacom_wac *wacom, void *wcombo)
 static void wacom_tpc_finger_in(struct wacom_wac *wacom, void *wcombo, char *data, int idx)
 {
 	wacom_report_abs(wcombo, ABS_X,
-		(data[2 + idx * 2] & 0xff) | ((data[3 + idx * 2] & 0x7f) << 8));
+		data[2 + idx * 2] | ((data[3 + idx * 2] & 0x7f) << 8));
 	wacom_report_abs(wcombo, ABS_Y,
-		(data[6 + idx * 2] & 0xff) | ((data[7 + idx * 2] & 0x7f) << 8));
+		data[6 + idx * 2] | ((data[7 + idx * 2] & 0x7f) << 8));
 	wacom_report_abs(wcombo, ABS_MISC, wacom->id[0]);
 	wacom_report_key(wcombo, wacom->tool[idx], 1);
 	if (idx)
@@ -782,31 +744,24 @@ static int wacom_tpc_irq(struct wacom_wac *wacom, void *wcombo)
 
 		touchInProx = 0;
 
-		if (prox) { /* in prox */
-			if (!wacom->id[0]) {
-				/* Going into proximity select tool */
-				wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
-				if (wacom->tool[0] == BTN_TOOL_PEN)
-					wacom->id[0] = STYLUS_DEVICE_ID;
-				else
-					wacom->id[0] = ERASER_DEVICE_ID;
-			}
-			wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
-			wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10);
-			wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
-			wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
-			pressure = ((data[7] & 0x01) << 8) | data[6];
-			if (pressure < 0)
-				pressure = features->pressure_max + pressure + 1;
-			wacom_report_abs(wcombo, ABS_PRESSURE, pressure);
-			wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x05);
-		} else {
-			wacom_report_abs(wcombo, ABS_X, 0);
-			wacom_report_abs(wcombo, ABS_Y, 0);
-			wacom_report_abs(wcombo, ABS_PRESSURE, 0);
-			wacom_report_key(wcombo, BTN_STYLUS, 0);
-			wacom_report_key(wcombo, BTN_STYLUS2, 0);
-			wacom_report_key(wcombo, BTN_TOUCH, 0);
+		if (!wacom->id[0]) { /* first in prox */
+			/* Going into proximity select tool */
+			wacom->tool[0] = (data[1] & 0x0c) ? BTN_TOOL_RUBBER : BTN_TOOL_PEN;
+			if (wacom->tool[0] == BTN_TOOL_PEN)
+				wacom->id[0] = STYLUS_DEVICE_ID;
+			else
+				wacom->id[0] = ERASER_DEVICE_ID;
+		}
+		wacom_report_key(wcombo, BTN_STYLUS, data[1] & 0x02);
+		wacom_report_key(wcombo, BTN_STYLUS2, data[1] & 0x10);
+		wacom_report_abs(wcombo, ABS_X, wacom_le16_to_cpu(&data[2]));
+		wacom_report_abs(wcombo, ABS_Y, wacom_le16_to_cpu(&data[4]));
+		pressure = ((data[7] & 0x01) << 8) | data[6];
+		if (pressure < 0)
+			pressure = features->pressure_max + pressure + 1;
+		wacom_report_abs(wcombo, ABS_PRESSURE, pressure);
+		wacom_report_key(wcombo, BTN_TOUCH, data[1] & 0x05);
+		if (!prox) { /* out-prox */
 			wacom->id[0] = 0;
 			/* pen is out so touch can be enabled now */
 			touchInProx = 1;
@@ -1028,7 +983,7 @@ static const struct wacom_features wacom_features_0x93 =
 static const struct wacom_features wacom_features_0x9A =
 	{ "Wacom ISDv4 9A",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,  0, TABLETPC };
 static const struct wacom_features wacom_features_0x9F =
-	{ "Wacom ISDv4 9F",       WACOM_PKGLEN_PENABLED,  26202, 16325,  255,  0, TABLETPC };
+	{ "Wacom ISDv4 9F",       WACOM_PKGLEN_GRAPHIRE,  26202, 16325,  255,  0, TABLETPC };
 static const struct wacom_features wacom_features_0xE2 =
 	{ "Wacom ISDv4 E2",       WACOM_PKGLEN_TPC2FG,    26202, 16325,  255,  0, TABLETPC2FG };
 static const struct wacom_features wacom_features_0xE3 =
diff --git a/drivers/input/tablet/wacom_wac.h b/drivers/input/tablet/wacom_wac.h
index 8590b1e8ec37..b50cf04e61a8 100644
--- a/drivers/input/tablet/wacom_wac.h
+++ b/drivers/input/tablet/wacom_wac.h
@@ -17,7 +17,6 @@
 #define WACOM_PKGLEN_GRAPHIRE	 8
 #define WACOM_PKGLEN_BBFUN	 9
 #define WACOM_PKGLEN_INTUOS	10
-#define WACOM_PKGLEN_PENABLED	 8
 #define WACOM_PKGLEN_TPC1FG	 5
 #define WACOM_PKGLEN_TPC2FG	14
 
diff --git a/drivers/input/touchscreen/88pm860x-ts.c b/drivers/input/touchscreen/88pm860x-ts.c
new file mode 100644
index 000000000000..286bb490a9f2
--- /dev/null
+++ b/drivers/input/touchscreen/88pm860x-ts.c
@@ -0,0 +1,236 @@
+/*
+ * Touchscreen driver for Marvell 88PM860x
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ * 	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/mfd/88pm860x.h>
+
+#define MEAS_LEN		(8)
+#define ACCURATE_BIT		(12)
+
+/* touch register */
+#define MEAS_EN3		(0x52)
+
+#define MEAS_TSIX_1		(0x8D)
+#define MEAS_TSIX_2		(0x8E)
+#define MEAS_TSIY_1		(0x8F)
+#define MEAS_TSIY_2		(0x90)
+#define MEAS_TSIZ1_1		(0x91)
+#define MEAS_TSIZ1_2		(0x92)
+#define MEAS_TSIZ2_1		(0x93)
+#define MEAS_TSIZ2_2		(0x94)
+
+/* bit definitions of touch */
+#define MEAS_PD_EN		(1 << 3)
+#define MEAS_TSIX_EN		(1 << 4)
+#define MEAS_TSIY_EN		(1 << 5)
+#define MEAS_TSIZ1_EN		(1 << 6)
+#define MEAS_TSIZ2_EN		(1 << 7)
+
+struct pm860x_touch {
+	struct input_dev *idev;
+	struct i2c_client *i2c;
+	struct pm860x_chip *chip;
+	int irq;
+	int res_x;		/* resistor of Xplate */
+};
+
+static irqreturn_t pm860x_touch_handler(int irq, void *data)
+{
+	struct pm860x_touch *touch = data;
+	struct pm860x_chip *chip = touch->chip;
+	unsigned char buf[MEAS_LEN];
+	int x, y, pen_down;
+	int z1, z2, rt = 0;
+	int ret;
+
+	ret = pm860x_bulk_read(touch->i2c, MEAS_TSIX_1, MEAS_LEN, buf);
+	if (ret < 0)
+		goto out;
+
+	pen_down = buf[1] & (1 << 6);
+	x = ((buf[0] & 0xFF) << 4) | (buf[1] & 0x0F);
+	y = ((buf[2] & 0xFF) << 4) | (buf[3] & 0x0F);
+	z1 = ((buf[4] & 0xFF) << 4) | (buf[5] & 0x0F);
+	z2 = ((buf[6] & 0xFF) << 4) | (buf[7] & 0x0F);
+
+	if (pen_down) {
+		if ((x != 0) && (z1 != 0) && (touch->res_x != 0)) {
+			rt = z2 / z1 - 1;
+			rt = (rt * touch->res_x * x) >> ACCURATE_BIT;
+			dev_dbg(chip->dev, "z1:%d, z2:%d, rt:%d\n",
+				z1, z2, rt);
+		}
+		input_report_abs(touch->idev, ABS_X, x);
+		input_report_abs(touch->idev, ABS_Y, y);
+		input_report_abs(touch->idev, ABS_PRESSURE, rt);
+		input_report_key(touch->idev, BTN_TOUCH, 1);
+		dev_dbg(chip->dev, "pen down at [%d, %d].\n", x, y);
+	} else {
+		input_report_abs(touch->idev, ABS_PRESSURE, 0);
+		input_report_key(touch->idev, BTN_TOUCH, 0);
+		dev_dbg(chip->dev, "pen release\n");
+	}
+	input_sync(touch->idev);
+
+out:
+	return IRQ_HANDLED;
+}
+
+static int pm860x_touch_open(struct input_dev *dev)
+{
+	struct pm860x_touch *touch = input_get_drvdata(dev);
+	int data, ret;
+
+	data = MEAS_PD_EN | MEAS_TSIX_EN | MEAS_TSIY_EN
+		| MEAS_TSIZ1_EN | MEAS_TSIZ2_EN;
+	ret = pm860x_set_bits(touch->i2c, MEAS_EN3, data, data);
+	if (ret < 0)
+		goto out;
+	return 0;
+out:
+	return ret;
+}
+
+static void pm860x_touch_close(struct input_dev *dev)
+{
+	struct pm860x_touch *touch = input_get_drvdata(dev);
+	int data;
+
+	data = MEAS_PD_EN | MEAS_TSIX_EN | MEAS_TSIY_EN
+		| MEAS_TSIZ1_EN | MEAS_TSIZ2_EN;
+	pm860x_set_bits(touch->i2c, MEAS_EN3, data, 0);
+}
+
+static int __devinit pm860x_touch_probe(struct platform_device *pdev)
+{
+	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
+	struct pm860x_platform_data *pm860x_pdata =		\
+				pdev->dev.parent->platform_data;
+	struct pm860x_touch_pdata *pdata = NULL;
+	struct pm860x_touch *touch;
+	int irq, ret;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(&pdev->dev, "No IRQ resource!\n");
+		return -EINVAL;
+	}
+
+	if (!pm860x_pdata) {
+		dev_err(&pdev->dev, "platform data is missing\n");
+		return -EINVAL;
+	}
+
+	pdata = pm860x_pdata->touch;
+	if (!pdata) {
+		dev_err(&pdev->dev, "touchscreen data is missing\n");
+		return -EINVAL;
+	}
+
+	touch = kzalloc(sizeof(struct pm860x_touch), GFP_KERNEL);
+	if (touch == NULL)
+		return -ENOMEM;
+	dev_set_drvdata(&pdev->dev, touch);
+
+	touch->idev = input_allocate_device();
+	if (touch->idev == NULL) {
+		dev_err(&pdev->dev, "Failed to allocate input device!\n");
+		ret = -ENOMEM;
+		goto out;
+	}
+
+	touch->idev->name = "88pm860x-touch";
+	touch->idev->phys = "88pm860x/input0";
+	touch->idev->id.bustype = BUS_I2C;
+	touch->idev->dev.parent = &pdev->dev;
+	touch->idev->open = pm860x_touch_open;
+	touch->idev->close = pm860x_touch_close;
+	touch->chip = chip;
+	touch->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
+	touch->irq = irq + chip->irq_base;
+	touch->res_x = pdata->res_x;
+	input_set_drvdata(touch->idev, touch);
+
+	ret = request_threaded_irq(touch->irq, NULL, pm860x_touch_handler,
+				   IRQF_ONESHOT, "touch", touch);
+	if (ret < 0)
+		goto out_irq;
+
+	__set_bit(EV_ABS, touch->idev->evbit);
+	__set_bit(ABS_X, touch->idev->absbit);
+	__set_bit(ABS_Y, touch->idev->absbit);
+	__set_bit(ABS_PRESSURE, touch->idev->absbit);
+	__set_bit(EV_SYN, touch->idev->evbit);
+	__set_bit(EV_KEY, touch->idev->evbit);
+	__set_bit(BTN_TOUCH, touch->idev->keybit);
+
+	input_set_abs_params(touch->idev, ABS_X, 0, 1 << ACCURATE_BIT, 0, 0);
+	input_set_abs_params(touch->idev, ABS_Y, 0, 1 << ACCURATE_BIT, 0, 0);
+	input_set_abs_params(touch->idev, ABS_PRESSURE, 0, 1 << ACCURATE_BIT,
+				0, 0);
+
+	ret = input_register_device(touch->idev);
+	if (ret < 0) {
+		dev_err(chip->dev, "Failed to register touch!\n");
+		goto out_rg;
+	}
+
+	platform_set_drvdata(pdev, touch);
+	return 0;
+out_rg:
+	free_irq(touch->irq, touch);
+out_irq:
+	input_free_device(touch->idev);
+out:
+	kfree(touch);
+	return ret;
+}
+
+static int __devexit pm860x_touch_remove(struct platform_device *pdev)
+{
+	struct pm860x_touch *touch = platform_get_drvdata(pdev);
+
+	input_unregister_device(touch->idev);
+	free_irq(touch->irq, touch);
+	platform_set_drvdata(pdev, NULL);
+	kfree(touch);
+	return 0;
+}
+
+static struct platform_driver pm860x_touch_driver = {
+	.driver	= {
+		.name	= "88pm860x-touch",
+		.owner	= THIS_MODULE,
+	},
+	.probe	= pm860x_touch_probe,
+	.remove	= __devexit_p(pm860x_touch_remove),
+};
+
+static int __init pm860x_touch_init(void)
+{
+	return platform_driver_register(&pm860x_touch_driver);
+}
+module_init(pm860x_touch_init);
+
+static void __exit pm860x_touch_exit(void)
+{
+	platform_driver_unregister(&pm860x_touch_driver);
+}
+module_exit(pm860x_touch_exit);
+
+MODULE_DESCRIPTION("Touchscreen driver for Marvell Semiconductor 88PM860x");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:88pm860x-touch");
+
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 6457e060ae49..8a8fa4d2d6a8 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -11,18 +11,31 @@ menuconfig INPUT_TOUCHSCREEN
 
 if INPUT_TOUCHSCREEN
 
+config TOUCHSCREEN_88PM860X
+	tristate "Marvell 88PM860x touchscreen"
+	depends on MFD_88PM860X
+	help
+	  Say Y here if you have a 88PM860x PMIC and want to enable
+	  support for the built-in touchscreen.
+
+	  If unsure, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called 88pm860x-ts.
+
 config TOUCHSCREEN_ADS7846
-	tristate "ADS7846/TSC2046 and ADS7843 based touchscreens"
+	tristate "ADS7846/TSC2046/AD7873 and AD(S)7843 based touchscreens"
 	depends on SPI_MASTER
 	depends on HWMON = n || HWMON
 	help
 	  Say Y here if you have a touchscreen interface using the
-	  ADS7846/TSC2046 or ADS7843 controller, and your board-specific
-	  setup code includes that in its table of SPI devices.
+	  ADS7846/TSC2046/AD7873 or ADS7843/AD7843 controller,
+	  and your board-specific setup code includes that in its
+	  table of SPI devices.
 
 	  If HWMON is selected, and the driver is told the reference voltage
 	  on your board, you will also get hwmon interfaces for the voltage
-	  (and on ads7846/tsc2046, temperature) sensors of this chip.
+	  (and on ads7846/tsc2046/ad7873, temperature) sensors of this chip.
 
 	  If unsure, say N (but it's safe to say "Y").
 
diff --git a/drivers/input/touchscreen/Makefile b/drivers/input/touchscreen/Makefile
index d61a3b4def9a..7fef7d5cca23 100644
--- a/drivers/input/touchscreen/Makefile
+++ b/drivers/input/touchscreen/Makefile
@@ -6,6 +6,7 @@
 
 wm97xx-ts-y := wm97xx-core.o
 
+obj-$(CONFIG_TOUCHSCREEN_88PM860X)	+= 88pm860x-ts.o
 obj-$(CONFIG_TOUCHSCREEN_AD7877)	+= ad7877.o
 obj-$(CONFIG_TOUCHSCREEN_AD7879)	+= ad7879.o
 obj-$(CONFIG_TOUCHSCREEN_ADS7846)	+= ads7846.o
diff --git a/drivers/input/touchscreen/ad7877.c b/drivers/input/touchscreen/ad7877.c
index eb83939c705e..e019d53d1ab4 100644
--- a/drivers/input/touchscreen/ad7877.c
+++ b/drivers/input/touchscreen/ad7877.c
@@ -46,7 +46,7 @@
 #include <linux/spi/ad7877.h>
 #include <asm/irq.h>
 
-#define	TS_PEN_UP_TIMEOUT	msecs_to_jiffies(50)
+#define	TS_PEN_UP_TIMEOUT	msecs_to_jiffies(100)
 
 #define MAX_SPI_FREQ_HZ			20000000
 #define	MAX_12BIT			((1<<12)-1)
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 8b05d8e97543..532279cda0e4 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -36,6 +36,7 @@
  * TSC2046 is just newer ads7846 silicon.
  * Support for ads7843 tested on Atmel at91sam926x-EK.
  * Support for ads7845 has only been stubbed in.
+ * Support for Analog Devices AD7873 and AD7843 tested.
  *
  * IRQ handling needs a workaround because of a shortcoming in handling
  * edge triggered IRQs on some platforms like the OMAP1/2. These
@@ -821,6 +822,9 @@ static int ads7846_suspend(struct spi_device *spi, pm_message_t message)
 
 	spin_unlock_irq(&ts->lock);
 
+	if (device_may_wakeup(&ts->spi->dev))
+		enable_irq_wake(ts->spi->irq);
+
 	return 0;
 
 }
@@ -829,6 +833,9 @@ static int ads7846_resume(struct spi_device *spi)
 {
 	struct ads7846 *ts = dev_get_drvdata(&spi->dev);
 
+	if (device_may_wakeup(&ts->spi->dev))
+		disable_irq_wake(ts->spi->irq);
+
 	spin_lock_irq(&ts->lock);
 
 	ts->is_suspended = 0;
@@ -984,6 +991,15 @@ static int __devinit ads7846_probe(struct spi_device *spi)
 
 	vref = pdata->keep_vref_on;
 
+	if (ts->model == 7873) {
+		/* The AD7873 is almost identical to the ADS7846
+		 * keep VREF off during differential/ratiometric
+		 * conversion modes
+		 */
+		ts->model = 7846;
+		vref = 0;
+	}
+
 	/* set up the transfers to read touchscreen state; this assumes we
 	 * use formula #2 for pressure, not #3.
 	 */
@@ -1191,6 +1207,8 @@ static int __devinit ads7846_probe(struct spi_device *spi)
 	if (err)
 		goto err_remove_attr_group;
 
+	device_init_wakeup(&spi->dev, pdata->wakeup);
+
 	return 0;
 
  err_remove_attr_group:
@@ -1220,6 +1238,8 @@ static int __devexit ads7846_remove(struct spi_device *spi)
 {
 	struct ads7846		*ts = dev_get_drvdata(&spi->dev);
 
+	device_init_wakeup(&spi->dev, false);
+
 	ads784x_hwmon_unregister(spi, ts);
 	input_unregister_device(ts->input);
 
diff --git a/drivers/input/touchscreen/mc13783_ts.c b/drivers/input/touchscreen/mc13783_ts.c
index be115b3b65eb..be54fd639aca 100644
--- a/drivers/input/touchscreen/mc13783_ts.c
+++ b/drivers/input/touchscreen/mc13783_ts.c
@@ -44,7 +44,7 @@ static irqreturn_t mc13783_ts_handler(int irq, void *data)
 {
 	struct mc13783_ts_priv *priv = data;
 
-	mc13783_ackirq(priv->mc13783, irq);
+	mc13783_irq_ack(priv->mc13783, irq);
 
 	/*
 	 * Kick off reading coordinates. Note that if work happens already
@@ -135,7 +135,7 @@ static int mc13783_ts_open(struct input_dev *dev)
 
 	mc13783_lock(priv->mc13783);
 
-	mc13783_ackirq(priv->mc13783, MC13783_IRQ_TS);
+	mc13783_irq_ack(priv->mc13783, MC13783_IRQ_TS);
 
 	ret = mc13783_irq_request(priv->mc13783, MC13783_IRQ_TS,
 		mc13783_ts_handler, MC13783_TS_NAME, priv);
diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
index 6643d6533ccb..0220c19351d9 100644
--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -1301,7 +1301,7 @@ static void do_connect_req(struct gigaset_capi_ctr *iif,
 	}
 
 	/* check parameter: CIP Value */
-	if (cmsg->CIPValue > ARRAY_SIZE(cip2bchlc) ||
+	if (cmsg->CIPValue >= ARRAY_SIZE(cip2bchlc) ||
 	    (cmsg->CIPValue > 0 && cip2bchlc[cmsg->CIPValue].bc == NULL)) {
 		dev_notice(cs->dev, "%s: unknown CIP value %d\n",
 			   "CONNECT_REQ", cmsg->CIPValue);
@@ -2191,36 +2191,24 @@ static const struct file_operations gigaset_proc_fops = {
 	.release	= single_release,
 };
 
-static struct capi_driver capi_driver_gigaset = {
-	.name		= "gigaset",
-	.revision	= "1.0",
-};
-
 /**
- * gigaset_isdn_register() - register to LL
+ * gigaset_isdn_regdev() - register device to LL
  * @cs:		device descriptor structure.
  * @isdnid:	device name.
  *
- * Called by main module to register the device with the LL.
- *
  * Return value: 1 for success, 0 for failure
  */
-int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
+int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
 {
 	struct gigaset_capi_ctr *iif;
 	int rc;
 
-	pr_info("Kernel CAPI interface\n");
-
 	iif = kmalloc(sizeof(*iif), GFP_KERNEL);
 	if (!iif) {
 		pr_err("%s: out of memory\n", __func__);
 		return 0;
 	}
 
-	/* register driver with CAPI (ToDo: what for?) */
-	register_capi_driver(&capi_driver_gigaset);
-
 	/* prepare controller structure */
 	iif->ctr.owner         = THIS_MODULE;
 	iif->ctr.driverdata    = cs;
@@ -2241,7 +2229,6 @@ int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
 	rc = attach_capi_ctr(&iif->ctr);
 	if (rc) {
 		pr_err("attach_capi_ctr failed (%d)\n", rc);
-		unregister_capi_driver(&capi_driver_gigaset);
 		kfree(iif);
 		return 0;
 	}
@@ -2252,17 +2239,36 @@ int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
 }
 
 /**
- * gigaset_isdn_unregister() - unregister from LL
+ * gigaset_isdn_unregdev() - unregister device from LL
  * @cs:		device descriptor structure.
- *
- * Called by main module to unregister the device from the LL.
  */
-void gigaset_isdn_unregister(struct cardstate *cs)
+void gigaset_isdn_unregdev(struct cardstate *cs)
 {
 	struct gigaset_capi_ctr *iif = cs->iif;
 
 	detach_capi_ctr(&iif->ctr);
 	kfree(iif);
 	cs->iif = NULL;
+}
+
+static struct capi_driver capi_driver_gigaset = {
+	.name		= "gigaset",
+	.revision	= "1.0",
+};
+
+/**
+ * gigaset_isdn_regdrv() - register driver to LL
+ */
+void gigaset_isdn_regdrv(void)
+{
+	pr_info("Kernel CAPI interface\n");
+	register_capi_driver(&capi_driver_gigaset);
+}
+
+/**
+ * gigaset_isdn_unregdrv() - unregister driver from LL
+ */
+void gigaset_isdn_unregdrv(void)
+{
 	unregister_capi_driver(&capi_driver_gigaset);
 }
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 85de3399a2f2..bdc01cb9f0ab 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -507,7 +507,7 @@ void gigaset_freecs(struct cardstate *cs)
 	case 2: /* error in initcshw */
 		/* Deregister from LL */
 		make_invalid(cs, VALID_ID);
-		gigaset_isdn_unregister(cs);
+		gigaset_isdn_unregdev(cs);
 
 		/* fall through */
 	case 1: /* error when registering to LL */
@@ -769,7 +769,7 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
 	cs->cmdbytes = 0;
 
 	gig_dbg(DEBUG_INIT, "setting up iif");
-	if (!gigaset_isdn_register(cs, modulename)) {
+	if (!gigaset_isdn_regdev(cs, modulename)) {
 		pr_err("error registering ISDN device\n");
 		goto error;
 	}
@@ -1205,11 +1205,13 @@ static int __init gigaset_init_module(void)
 		gigaset_debuglevel = DEBUG_DEFAULT;
 
 	pr_info(DRIVER_DESC DRIVER_DESC_DEBUG "\n");
+	gigaset_isdn_regdrv();
 	return 0;
 }
 
 static void __exit gigaset_exit_module(void)
 {
+	gigaset_isdn_unregdrv();
 }
 
 module_init(gigaset_init_module);
diff --git a/drivers/isdn/gigaset/dummyll.c b/drivers/isdn/gigaset/dummyll.c
index 5b27c996af6d..bd0b1eaa7572 100644
--- a/drivers/isdn/gigaset/dummyll.c
+++ b/drivers/isdn/gigaset/dummyll.c
@@ -57,12 +57,20 @@ void gigaset_isdn_stop(struct cardstate *cs)
 {
 }
 
-int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
+int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
 {
-	pr_info("no ISDN subsystem interface\n");
 	return 1;
 }
 
-void gigaset_isdn_unregister(struct cardstate *cs)
+void gigaset_isdn_unregdev(struct cardstate *cs)
+{
+}
+
+void gigaset_isdn_regdrv(void)
+{
+	pr_info("no ISDN subsystem interface\n");
+}
+
+void gigaset_isdn_unregdrv(void)
 {
 }
diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index c8f89b78b233..206c380c5235 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -1258,14 +1258,10 @@ static void do_action(int action, struct cardstate *cs,
 		 * note that bcs may be NULL if no B channel is free
 		 */
 		at_state2->ConState = 700;
-		kfree(at_state2->str_var[STR_NMBR]);
-		at_state2->str_var[STR_NMBR] = NULL;
-		kfree(at_state2->str_var[STR_ZCPN]);
-		at_state2->str_var[STR_ZCPN] = NULL;
-		kfree(at_state2->str_var[STR_ZBC]);
-		at_state2->str_var[STR_ZBC] = NULL;
-		kfree(at_state2->str_var[STR_ZHLC]);
-		at_state2->str_var[STR_ZHLC] = NULL;
+		for (i = 0; i < STR_NUM; ++i) {
+			kfree(at_state2->str_var[i]);
+			at_state2->str_var[i] = NULL;
+		}
 		at_state2->int_var[VAR_ZCTP] = -1;
 
 		spin_lock_irqsave(&cs->lock, flags);
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index 1875ab80b335..cdd144ecdc5f 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -675,8 +675,10 @@ int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size);
  */
 
 /* Called from common.c for setting up/shutting down with the ISDN subsystem */
-int gigaset_isdn_register(struct cardstate *cs, const char *isdnid);
-void gigaset_isdn_unregister(struct cardstate *cs);
+void gigaset_isdn_regdrv(void);
+void gigaset_isdn_unregdrv(void);
+int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid);
+void gigaset_isdn_unregdev(struct cardstate *cs);
 
 /* Called from hardware module to indicate completion of an skb */
 void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb);
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c
index f0acb9dc9e33..c22e5ace8276 100644
--- a/drivers/isdn/gigaset/i4l.c
+++ b/drivers/isdn/gigaset/i4l.c
@@ -592,15 +592,13 @@ void gigaset_isdn_stop(struct cardstate *cs)
 }
 
 /**
- * gigaset_isdn_register() - register to LL
+ * gigaset_isdn_regdev() - register to LL
  * @cs:		device descriptor structure.
  * @isdnid:	device name.
  *
- * Called by main module to register the device with the LL.
- *
  * Return value: 1 for success, 0 for failure
  */
-int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
+int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
 {
 	isdn_if *iif;
 
@@ -650,15 +648,29 @@ int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
 }
 
 /**
- * gigaset_isdn_unregister() - unregister from LL
+ * gigaset_isdn_unregdev() - unregister device from LL
  * @cs:		device descriptor structure.
- *
- * Called by main module to unregister the device from the LL.
  */
-void gigaset_isdn_unregister(struct cardstate *cs)
+void gigaset_isdn_unregdev(struct cardstate *cs)
 {
 	gig_dbg(DEBUG_CMD, "sending UNLOAD");
 	gigaset_i4l_cmd(cs, ISDN_STAT_UNLOAD);
 	kfree(cs->iif);
 	cs->iif = NULL;
 }
+
+/**
+ * gigaset_isdn_regdrv() - register driver to LL
+ */
+void gigaset_isdn_regdrv(void)
+{
+	/* nothing to do */
+}
+
+/**
+ * gigaset_isdn_unregdrv() - unregister driver from LL
+ */
+void gigaset_isdn_unregdrv(void)
+{
+	/* nothing to do */
+}
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index a1bcbc21ff71..f0dc6c9cc283 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -628,7 +628,6 @@ void gigaset_if_receive(struct cardstate *cs,
 	if (tty == NULL)
 		gig_dbg(DEBUG_IF, "receive on closed device");
 	else {
-		tty_buffer_request_room(tty, len);
 		tty_insert_flip_string(tty, buffer, len);
 		tty_flip_buffer_push(tty);
 	}
diff --git a/drivers/isdn/hardware/eicon/message.c b/drivers/isdn/hardware/eicon/message.c
index ae89fb89da64..341ef17c22ac 100644
--- a/drivers/isdn/hardware/eicon/message.c
+++ b/drivers/isdn/hardware/eicon/message.c
@@ -2754,7 +2754,7 @@ static byte connect_b3_req(dword Id, word Number, DIVA_CAPI_ADAPTER *a,
                     for (i = 0; i < w; i++)
                       ((T30_INFO   *)(plci->fax_connect_info_buffer))->station_id[i] = fax_parms[4].info[1+i];
                     ((T30_INFO   *)(plci->fax_connect_info_buffer))->head_line_len = 0;
-                    len = offsetof(T30_INFO, station_id) + 20;
+                    len = offsetof(T30_INFO, station_id) + T30_MAX_STATION_ID_LENGTH;
                     w = fax_parms[5].length;
                     if (w > 20)
                       w = 20;
@@ -2892,7 +2892,7 @@ static byte connect_b3_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,
     && (plci->nsf_control_bits & T30_NSF_CONTROL_BIT_ENABLE_NSF)
     && (plci->nsf_control_bits & T30_NSF_CONTROL_BIT_NEGOTIATE_RESP))
    {
-            len = offsetof(T30_INFO, station_id) + 20;
+            len = offsetof(T30_INFO, station_id) + T30_MAX_STATION_ID_LENGTH;
             if (plci->fax_connect_info_length < len)
             {
               ((T30_INFO *)(plci->fax_connect_info_buffer))->station_id_len = 0;
@@ -3802,7 +3802,7 @@ static byte manufacturer_res(dword Id, word Number, DIVA_CAPI_ADAPTER *a,
       break;
     }
     ncpi = &m_parms[1];
-    len = offsetof(T30_INFO, station_id) + 20;
+    len = offsetof(T30_INFO, station_id) + T30_MAX_STATION_ID_LENGTH;
     if (plci->fax_connect_info_length < len)
     {
       ((T30_INFO *)(plci->fax_connect_info_buffer))->station_id_len = 0;
@@ -6830,7 +6830,7 @@ static void nl_ind(PLCI *plci)
         if(((T30_INFO   *)plci->NL.RBuffer->P)->station_id_len)
         {
           plci->ncpi_buffer[len] = 20;
-          for (i = 0; i < 20; i++)
+          for (i = 0; i < T30_MAX_STATION_ID_LENGTH; i++)
             plci->ncpi_buffer[++len] = ((T30_INFO   *)plci->NL.RBuffer->P)->station_id[i];
         }
         if (((plci->NL.Ind & 0x0f) == N_DISC) || ((plci->NL.Ind & 0x0f) == N_DISC_ACK))
@@ -6844,7 +6844,7 @@ static void nl_ind(PLCI *plci)
         if ((plci->requested_options_conn | plci->requested_options | a->requested_options_table[plci->appl->Id-1])
           & ((1L << PRIVATE_FAX_SUB_SEP_PWD) | (1L << PRIVATE_FAX_NONSTANDARD)))
         {
-          i = offsetof(T30_INFO, station_id) + 20 + ((T30_INFO   *)plci->NL.RBuffer->P)->head_line_len;
+          i = offsetof(T30_INFO, station_id) + T30_MAX_STATION_ID_LENGTH + ((T30_INFO   *)plci->NL.RBuffer->P)->head_line_len;
           while (i < plci->NL.RBuffer->length)
             plci->ncpi_buffer[++len] = plci->NL.RBuffer->P[i++];
         }
@@ -8400,7 +8400,7 @@ static word add_b23(PLCI *plci, API_PARSE *bp)
         }
       }
       /* copy station id to NLC */
-      for(i=0; i<20; i++)
+      for(i=0; i < T30_MAX_STATION_ID_LENGTH; i++)
       {
         if(i<b3_config_parms[2].length)
         {
@@ -8411,29 +8411,29 @@ static word add_b23(PLCI *plci, API_PARSE *bp)
           ((T30_INFO *)&nlc[1])->station_id[i] = ' ';
         }
       }
-      ((T30_INFO *)&nlc[1])->station_id_len = 20;
+      ((T30_INFO *)&nlc[1])->station_id_len = T30_MAX_STATION_ID_LENGTH;
       /* copy head line to NLC */
       if(b3_config_parms[3].length)
       {
 
-        pos = (byte)(fax_head_line_time (&(((T30_INFO *)&nlc[1])->station_id[20])));
+        pos = (byte)(fax_head_line_time (&(((T30_INFO *)&nlc[1])->station_id[T30_MAX_STATION_ID_LENGTH])));
         if (pos != 0)
         {
           if (CAPI_MAX_DATE_TIME_LENGTH + 2 + b3_config_parms[3].length > CAPI_MAX_HEAD_LINE_SPACE)
             pos = 0;
           else
           {
-            ((T30_INFO *)&nlc[1])->station_id[20 + pos++] = ' ';
-            ((T30_INFO *)&nlc[1])->station_id[20 + pos++] = ' ';
+            nlc[1 + offsetof(T30_INFO, station_id) + T30_MAX_STATION_ID_LENGTH + pos++] = ' ';
+            nlc[1 + offsetof(T30_INFO, station_id) + T30_MAX_STATION_ID_LENGTH + pos++] = ' ';
             len = (byte)b3_config_parms[2].length;
             if (len > 20)
               len = 20;
             if (CAPI_MAX_DATE_TIME_LENGTH + 2 + len + 2 + b3_config_parms[3].length <= CAPI_MAX_HEAD_LINE_SPACE)
             {
               for (i = 0; i < len; i++)
-                ((T30_INFO *)&nlc[1])->station_id[20 + pos++] = ((byte   *)b3_config_parms[2].info)[1+i];
-              ((T30_INFO *)&nlc[1])->station_id[20 + pos++] = ' ';
-              ((T30_INFO *)&nlc[1])->station_id[20 + pos++] = ' ';
+                nlc[1 + offsetof(T30_INFO, station_id) + T30_MAX_STATION_ID_LENGTH + pos++] = ((byte   *)b3_config_parms[2].info)[1+i];
+              nlc[1 + offsetof(T30_INFO, station_id) + T30_MAX_STATION_ID_LENGTH + pos++] = ' ';
+              nlc[1 + offsetof(T30_INFO, station_id) + T30_MAX_STATION_ID_LENGTH + pos++] = ' ';
             }
           }
         }
@@ -8444,9 +8444,8 @@ static word add_b23(PLCI *plci, API_PARSE *bp)
         ((T30_INFO *)&nlc[1])->head_line_len = (byte)(pos + len);
         nlc[0] += (byte)(pos + len);
         for (i = 0; i < len; i++)
-          ((T30_INFO *)&nlc[1])->station_id[20 + pos++] = ((byte   *)b3_config_parms[3].info)[1+i];
-        }
-      else
+          nlc[1 + offsetof(T30_INFO, station_id) + T30_MAX_STATION_ID_LENGTH + pos++] =  ((byte   *)b3_config_parms[3].info)[1+i];
+      } else
         ((T30_INFO *)&nlc[1])->head_line_len = 0;
 
       plci->nsf_control_bits = 0;
@@ -8473,7 +8472,7 @@ static word add_b23(PLCI *plci, API_PARSE *bp)
             fax_control_bits |= T30_CONTROL_BIT_ACCEPT_SEL_POLLING;
           }
             len = nlc[0];
-          pos = offsetof(T30_INFO, station_id) + 20;
+          pos = offsetof(T30_INFO, station_id) + T30_MAX_STATION_ID_LENGTH;
    if (pos < plci->fax_connect_info_length)
    {
      for (i = 1 + plci->fax_connect_info_buffer[pos]; i != 0; i--)
@@ -8525,7 +8524,7 @@ static word add_b23(PLCI *plci, API_PARSE *bp)
       }
 
       PUT_WORD(&(((T30_INFO *)&nlc[1])->control_bits_low), fax_control_bits);
-      len = offsetof(T30_INFO, station_id) + 20;
+      len = offsetof(T30_INFO, station_id) + T30_MAX_STATION_ID_LENGTH;
       for (i = 0; i < len; i++)
         plci->fax_connect_info_buffer[i] = nlc[1+i];
       ((T30_INFO   *) plci->fax_connect_info_buffer)->head_line_len = 0;
diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c
index ad36df9b759c..8affba3e569d 100644
--- a/drivers/isdn/hardware/mISDN/hfcmulti.c
+++ b/drivers/isdn/hardware/mISDN/hfcmulti.c
@@ -5265,6 +5265,8 @@ static const struct hm_map hfcm_map[] = {
 /*31*/	{VENDOR_CCD, "XHFC-4S Speech Design", 5, 4, 0, 0, 0, 0,
 		HFC_IO_MODE_EMBSD, XHFC_IRQ},
 /*32*/	{VENDOR_JH, "HFC-8S (junghanns)", 8, 8, 1, 0, 0, 0, 0, 0},
+/*33*/	{VENDOR_BN, "HFC-2S Beronet Card PCIe", 4, 2, 1, 3, 0, DIP_4S, 0, 0},
+/*34*/	{VENDOR_BN, "HFC-4S Beronet Card PCIe", 4, 4, 1, 2, 0, DIP_4S, 0, 0},
 };
 
 #undef H
@@ -5300,6 +5302,10 @@ static struct pci_device_id hfmultipci_ids[] __devinitdata = {
 		PCI_SUBDEVICE_ID_CCD_OV4S, 0, 0, H(28)}, /* OpenVox 4 */
 	{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC4S, PCI_VENDOR_ID_CCD,
 		PCI_SUBDEVICE_ID_CCD_OV2S, 0, 0, H(29)}, /* OpenVox 2 */
+	{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC4S, PCI_VENDOR_ID_CCD,
+		0xb761, 0, 0, H(33)}, /* BN2S PCIe */
+	{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC4S, PCI_VENDOR_ID_CCD,
+		0xb762, 0, 0, H(34)}, /* BN4S PCIe */
 
 	/* Cards with HFC-8S Chip */
 	{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC8S, PCI_VENDOR_ID_CCD,
diff --git a/drivers/isdn/hardware/mISDN/mISDNisar.c b/drivers/isdn/hardware/mISDN/mISDNisar.c
index 09095c747110..f0bc6fa95809 100644
--- a/drivers/isdn/hardware/mISDN/mISDNisar.c
+++ b/drivers/isdn/hardware/mISDN/mISDNisar.c
@@ -1712,13 +1712,13 @@ mISDNisar_init(struct isar_hw *isar, void *hw)
 }
 EXPORT_SYMBOL(mISDNisar_init);
 
-static int isar_mod_init(void)
+static int __init isar_mod_init(void)
 {
 	pr_notice("mISDN: ISAR driver Rev. %s\n", ISAR_REV);
 	return 0;
 }
 
-static void isar_mod_cleanup(void)
+static void __exit isar_mod_cleanup(void)
 {
 	pr_notice("mISDN: ISAR module unloaded\n");
 }
diff --git a/drivers/isdn/hisax/avma1_cs.c b/drivers/isdn/hisax/avma1_cs.c
index e5deb15cf40c..8d1d63a02b34 100644
--- a/drivers/isdn/hisax/avma1_cs.c
+++ b/drivers/isdn/hisax/avma1_cs.c
@@ -50,7 +50,7 @@ module_param(isdnprot, int, 0);
    handler.
 */
 
-static int avma1cs_config(struct pcmcia_device *link);
+static int avma1cs_config(struct pcmcia_device *link) __devinit ;
 static void avma1cs_release(struct pcmcia_device *link);
 
 /*
@@ -59,7 +59,7 @@ static void avma1cs_release(struct pcmcia_device *link);
    needed to manage one actual PCMCIA card.
 */
 
-static void avma1cs_detach(struct pcmcia_device *p_dev);
+static void avma1cs_detach(struct pcmcia_device *p_dev) __devexit ;
 
 
 /*
@@ -99,7 +99,7 @@ typedef struct local_info_t {
     
 ======================================================================*/
 
-static int avma1cs_probe(struct pcmcia_device *p_dev)
+static int __devinit avma1cs_probe(struct pcmcia_device *p_dev)
 {
     local_info_t *local;
 
@@ -140,7 +140,7 @@ static int avma1cs_probe(struct pcmcia_device *p_dev)
 
 ======================================================================*/
 
-static void avma1cs_detach(struct pcmcia_device *link)
+static void __devexit avma1cs_detach(struct pcmcia_device *link)
 {
 	dev_dbg(&link->dev, "avma1cs_detach(0x%p)\n", link);
 	avma1cs_release(link);
@@ -174,7 +174,7 @@ static int avma1cs_configcheck(struct pcmcia_device *p_dev,
 }
 
 
-static int avma1cs_config(struct pcmcia_device *link)
+static int __devinit avma1cs_config(struct pcmcia_device *link)
 {
     local_info_t *dev;
     int i;
@@ -282,7 +282,7 @@ static struct pcmcia_driver avma1cs_driver = {
 		.name	= "avma1_cs",
 	},
 	.probe		= avma1cs_probe,
-	.remove		= avma1cs_detach,
+	.remove		= __devexit_p(avma1cs_detach),
 	.id_table	= avma1cs_ids,
 };
 
diff --git a/drivers/isdn/hisax/elsa_cs.c b/drivers/isdn/hisax/elsa_cs.c
index c9a30b1c9237..c9f2279e21f5 100644
--- a/drivers/isdn/hisax/elsa_cs.c
+++ b/drivers/isdn/hisax/elsa_cs.c
@@ -76,7 +76,7 @@ module_param(protocol, int, 0);
    handler.
 */
 
-static int elsa_cs_config(struct pcmcia_device *link);
+static int elsa_cs_config(struct pcmcia_device *link) __devinit ;
 static void elsa_cs_release(struct pcmcia_device *link);
 
 /*
@@ -85,7 +85,7 @@ static void elsa_cs_release(struct pcmcia_device *link);
    needed to manage one actual PCMCIA card.
 */
 
-static void elsa_cs_detach(struct pcmcia_device *p_dev);
+static void elsa_cs_detach(struct pcmcia_device *p_dev) __devexit;
 
 /*
    A driver needs to provide a dev_node_t structure for each device
@@ -121,7 +121,7 @@ typedef struct local_info_t {
 
 ======================================================================*/
 
-static int elsa_cs_probe(struct pcmcia_device *link)
+static int __devinit elsa_cs_probe(struct pcmcia_device *link)
 {
     local_info_t *local;
 
@@ -166,7 +166,7 @@ static int elsa_cs_probe(struct pcmcia_device *link)
 
 ======================================================================*/
 
-static void elsa_cs_detach(struct pcmcia_device *link)
+static void __devexit elsa_cs_detach(struct pcmcia_device *link)
 {
 	local_info_t *info = link->priv;
 
@@ -210,7 +210,7 @@ static int elsa_cs_configcheck(struct pcmcia_device *p_dev,
 	return -ENODEV;
 }
 
-static int elsa_cs_config(struct pcmcia_device *link)
+static int __devinit elsa_cs_config(struct pcmcia_device *link)
 {
     local_info_t *dev;
     int i;
@@ -327,7 +327,7 @@ static struct pcmcia_driver elsa_cs_driver = {
 		.name	= "elsa_cs",
 	},
 	.probe		= elsa_cs_probe,
-	.remove		= elsa_cs_detach,
+	.remove		= __devexit_p(elsa_cs_detach),
 	.id_table	= elsa_ids,
 	.suspend	= elsa_suspend,
 	.resume		= elsa_resume,
diff --git a/drivers/isdn/hisax/sedlbauer_cs.c b/drivers/isdn/hisax/sedlbauer_cs.c
index 7836ec3c7f86..71b3ddef03bb 100644
--- a/drivers/isdn/hisax/sedlbauer_cs.c
+++ b/drivers/isdn/hisax/sedlbauer_cs.c
@@ -76,7 +76,7 @@ module_param(protocol, int, 0);
    event handler. 
 */
 
-static int sedlbauer_config(struct pcmcia_device *link);
+static int sedlbauer_config(struct pcmcia_device *link) __devinit ;
 static void sedlbauer_release(struct pcmcia_device *link);
 
 /*
@@ -85,7 +85,7 @@ static void sedlbauer_release(struct pcmcia_device *link);
    needed to manage one actual PCMCIA card.
 */
 
-static void sedlbauer_detach(struct pcmcia_device *p_dev);
+static void sedlbauer_detach(struct pcmcia_device *p_dev) __devexit;
 
 /*
    You'll also need to prototype all the functions that will actually
@@ -129,7 +129,7 @@ typedef struct local_info_t {
     
 ======================================================================*/
 
-static int sedlbauer_probe(struct pcmcia_device *link)
+static int __devinit sedlbauer_probe(struct pcmcia_device *link)
 {
     local_info_t *local;
 
@@ -177,7 +177,7 @@ static int sedlbauer_probe(struct pcmcia_device *link)
 
 ======================================================================*/
 
-static void sedlbauer_detach(struct pcmcia_device *link)
+static void __devexit sedlbauer_detach(struct pcmcia_device *link)
 {
 	dev_dbg(&link->dev, "sedlbauer_detach(0x%p)\n", link);
 
@@ -283,7 +283,7 @@ static int sedlbauer_config_check(struct pcmcia_device *p_dev,
 
 
 
-static int sedlbauer_config(struct pcmcia_device *link)
+static int __devinit sedlbauer_config(struct pcmcia_device *link)
 {
     local_info_t *dev = link->priv;
     win_req_t *req;
@@ -441,7 +441,7 @@ static struct pcmcia_driver sedlbauer_driver = {
 		.name	= "sedlbauer_cs",
 	},
 	.probe		= sedlbauer_probe,
-	.remove		= sedlbauer_detach,
+	.remove		= __devexit_p(sedlbauer_detach),
 	.id_table	= sedlbauer_ids,
 	.suspend	= sedlbauer_suspend,
 	.resume		= sedlbauer_resume,
diff --git a/drivers/isdn/hisax/teles_cs.c b/drivers/isdn/hisax/teles_cs.c
index b0c5976cbdb3..d010a0da8e19 100644
--- a/drivers/isdn/hisax/teles_cs.c
+++ b/drivers/isdn/hisax/teles_cs.c
@@ -57,7 +57,7 @@ module_param(protocol, int, 0);
    handler.
 */
 
-static int teles_cs_config(struct pcmcia_device *link);
+static int teles_cs_config(struct pcmcia_device *link) __devinit ;
 static void teles_cs_release(struct pcmcia_device *link);
 
 /*
@@ -66,7 +66,7 @@ static void teles_cs_release(struct pcmcia_device *link);
    needed to manage one actual PCMCIA card.
 */
 
-static void teles_detach(struct pcmcia_device *p_dev);
+static void teles_detach(struct pcmcia_device *p_dev) __devexit ;
 
 /*
    A linked list of "instances" of the teles_cs device.  Each actual
@@ -112,7 +112,7 @@ typedef struct local_info_t {
 
 ======================================================================*/
 
-static int teles_probe(struct pcmcia_device *link)
+static int __devinit teles_probe(struct pcmcia_device *link)
 {
     local_info_t *local;
 
@@ -156,7 +156,7 @@ static int teles_probe(struct pcmcia_device *link)
 
 ======================================================================*/
 
-static void teles_detach(struct pcmcia_device *link)
+static void __devexit teles_detach(struct pcmcia_device *link)
 {
 	local_info_t *info = link->priv;
 
@@ -200,7 +200,7 @@ static int teles_cs_configcheck(struct pcmcia_device *p_dev,
 	return -ENODEV;
 }
 
-static int teles_cs_config(struct pcmcia_device *link)
+static int __devinit teles_cs_config(struct pcmcia_device *link)
 {
     local_info_t *dev;
     int i;
@@ -319,7 +319,7 @@ static struct pcmcia_driver teles_cs_driver = {
 		.name	= "teles_cs",
 	},
 	.probe		= teles_probe,
-	.remove		= teles_detach,
+	.remove		= __devexit_p(teles_detach),
 	.id_table       = teles_ids,
 	.suspend	= teles_suspend,
 	.resume		= teles_resume,
diff --git a/drivers/isdn/hysdn/hysdn_boot.c b/drivers/isdn/hysdn/hysdn_boot.c
index be787e16bb79..4f541ef14f9e 100644
--- a/drivers/isdn/hysdn/hysdn_boot.c
+++ b/drivers/isdn/hysdn/hysdn_boot.c
@@ -143,7 +143,7 @@ pof_handle_data(hysdn_card * card, int datlen)
 					     (boot->pof_recid == TAG_CABSDATA) ? "CABSDATA" : "ABSDATA",
 					     datlen, boot->pof_recoffset);
 
-			if ((boot->last_error = card->writebootseq(card, boot->buf.BootBuf, datlen) < 0))
+			if ((boot->last_error = card->writebootseq(card, boot->buf.BootBuf, datlen)) < 0)
 				return (boot->last_error);	/* error writing data */
 
 			if (boot->pof_recoffset + datlen >= boot->pof_reclen)
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index adb1e8c36b46..00c60e2e0ff7 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -1347,7 +1347,7 @@ isdn_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
 /*
  * isdn net devices manage lots of configuration variables as linked lists.
  * Those lists must only be manipulated from user space. Some of the ioctl's
- * service routines access user space and are not atomic. Therefor, ioctl's
+ * service routines access user space and are not atomic. Therefore, ioctl's
  * manipulating the lists and ioctl's sleeping while accessing the lists
  * are serialized by means of a semaphore.
  */
diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c
index 43ff4d3b046e..6eac588e0a37 100644
--- a/drivers/isdn/mISDN/dsp_core.c
+++ b/drivers/isdn/mISDN/dsp_core.c
@@ -1114,7 +1114,7 @@ static struct Bprotocol DSP = {
 	.create = dspcreate
 };
 
-static int dsp_init(void)
+static int __init dsp_init(void)
 {
 	int err;
 	int tics;
@@ -1212,7 +1212,7 @@ static int dsp_init(void)
 }
 
 
-static void dsp_cleanup(void)
+static void __exit dsp_cleanup(void)
 {
 	mISDN_unregister_Bprotocol(&DSP);
 
diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
index f1e8af54dff0..325b1ad7d4b8 100644
--- a/drivers/isdn/mISDN/l1oip_core.c
+++ b/drivers/isdn/mISDN/l1oip_core.c
@@ -477,7 +477,7 @@ l1oip_socket_parse(struct l1oip *hc, struct sockaddr_in *sin, u8 *buf, int len)
 		printk(KERN_DEBUG "%s: received frame, parsing... (%d)\n",
 			__func__, len);
 
-	/* check lenght */
+	/* check length */
 	if (len < 1+1+2) {
 		printk(KERN_WARNING "%s: packet error - length %d below "
 			"4 bytes\n", __func__, len);
@@ -1509,7 +1509,7 @@ l1oip_init(void)
 			printk(KERN_DEBUG "%s: interface %d is %s with %s.\n",
 			    __func__, l1oip_cnt, pri ? "PRI" : "BRI",
 			    bundle ? "bundled IP packet for all B-channels" :
-			    "seperate IP packets for every B-channel");
+			    "separate IP packets for every B-channel");
 
 		hc = kzalloc(sizeof(struct l1oip), GFP_ATOMIC);
 		if (!hc) {
diff --git a/drivers/isdn/sc/hardware.h b/drivers/isdn/sc/hardware.h
index 9e6d5302bf8e..627324856ead 100644
--- a/drivers/isdn/sc/hardware.h
+++ b/drivers/isdn/sc/hardware.h
@@ -87,7 +87,7 @@
 #define BRI_CHANNELS	2		/* Number of B channels */
 #define BRI_BASEPG_VAL	0x98
 #define BRI_MAGIC	0x60000		/* Magic Number */
-#define BRI_MEMSIZE	0x10000		/* Ammount of RAM (64K) */
+#define BRI_MEMSIZE	0x10000		/* Amount of RAM (64K) */
 #define BRI_PARTNO	"72-029"
 #define BRI_FEATURES	ISDN_FEATURE_L2_HDLC | ISDN_FEATURE_L3_TRANS;
 /*
diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 8a0e1ec95e4a..505eb64c329c 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -15,77 +15,86 @@ config LEDS_CLASS
 	  This option enables the led sysfs class in /sys/class/leds.  You'll
 	  need this to do anything useful with LEDs.  If unsure, say N.
 
+if LEDS_CLASS
+
 comment "LED drivers"
 
+config LEDS_88PM860X
+	tristate "LED Support for Marvell 88PM860x PMIC"
+	depends on LEDS_CLASS && MFD_88PM860X
+	help
+	  This option enables support for on-chip LED drivers found on Marvell
+	  Semiconductor 88PM8606 PMIC.
+
 config LEDS_ATMEL_PWM
 	tristate "LED Support using Atmel PWM outputs"
-	depends on LEDS_CLASS && ATMEL_PWM
+	depends on ATMEL_PWM
 	help
 	  This option enables support for LEDs driven using outputs
 	  of the dedicated PWM controller found on newer Atmel SOCs.
 
 config LEDS_LOCOMO
 	tristate "LED Support for Locomo device"
-	depends on LEDS_CLASS && SHARP_LOCOMO
+	depends on SHARP_LOCOMO
 	help
 	  This option enables support for the LEDs on Sharp Locomo.
 	  Zaurus models SL-5500 and SL-5600.
 
 config LEDS_MIKROTIK_RB532
 	tristate "LED Support for Mikrotik Routerboard 532"
-	depends on LEDS_CLASS && MIKROTIK_RB532
+	depends on MIKROTIK_RB532
 	help
 	  This option enables support for the so called "User LED" of
 	  Mikrotik's Routerboard 532.
 
 config LEDS_S3C24XX
 	tristate "LED Support for Samsung S3C24XX GPIO LEDs"
-	depends on LEDS_CLASS && ARCH_S3C2410
+	depends on ARCH_S3C2410
 	help
 	  This option enables support for LEDs connected to GPIO lines
 	  on Samsung S3C24XX series CPUs, such as the S3C2410 and S3C2440.
 
 config LEDS_AMS_DELTA
 	tristate "LED Support for the Amstrad Delta (E3)"
-	depends on LEDS_CLASS && MACH_AMS_DELTA
+	depends on MACH_AMS_DELTA
 	help
 	  This option enables support for the LEDs on Amstrad Delta (E3).
 
 config LEDS_NET48XX
 	tristate "LED Support for Soekris net48xx series Error LED"
-	depends on LEDS_CLASS && SCx200_GPIO
+	depends on SCx200_GPIO
 	help
 	  This option enables support for the Soekris net4801 and net4826 error
 	  LED.
 
 config LEDS_FSG
 	tristate "LED Support for the Freecom FSG-3"
-	depends on LEDS_CLASS && MACH_FSG
+	depends on MACH_FSG
 	help
 	  This option enables support for the LEDs on the Freecom FSG-3.
 
 config LEDS_WRAP
 	tristate "LED Support for the WRAP series LEDs"
-	depends on LEDS_CLASS && SCx200_GPIO
+	depends on SCx200_GPIO
 	help
 	  This option enables support for the PCEngines WRAP programmable LEDs.
 
 config LEDS_ALIX2
 	tristate "LED Support for ALIX.2 and ALIX.3 series"
-	depends on LEDS_CLASS && X86 && EXPERIMENTAL
+	depends on X86 && !GPIO_CS5535 && !CS5535_GPIO
 	help
 	  This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs.
 	  You have to set leds-alix2.force=1 for boards with Award BIOS.
 
 config LEDS_H1940
 	tristate "LED Support for iPAQ H1940 device"
-	depends on LEDS_CLASS && ARCH_H1940
+	depends on ARCH_H1940
 	help
 	  This option enables support for the LEDs on the h1940.
 
 config LEDS_COBALT_QUBE
 	tristate "LED Support for the Cobalt Qube series front LED"
-	depends on LEDS_CLASS && MIPS_COBALT
+	depends on MIPS_COBALT
 	help
 	  This option enables support for the front LED on Cobalt Qube series
 
@@ -98,7 +107,7 @@ config LEDS_COBALT_RAQ
 
 config LEDS_SUNFIRE
 	tristate "LED support for SunFire servers."
-	depends on LEDS_CLASS && SPARC64
+	depends on SPARC64
 	select LEDS_TRIGGERS
 	help
 	  This option enables support for the Left, Middle, and Right
@@ -106,14 +115,14 @@ config LEDS_SUNFIRE
 
 config LEDS_HP6XX
 	tristate "LED Support for the HP Jornada 6xx"
-	depends on LEDS_CLASS && SH_HP6XX
+	depends on SH_HP6XX
 	help
 	  This option enables LED support for the handheld
 	  HP Jornada 620/660/680/690.
 
 config LEDS_PCA9532
 	tristate "LED driver for PCA9532 dimmer"
-	depends on LEDS_CLASS && I2C && INPUT && EXPERIMENTAL
+	depends on I2C && INPUT && EXPERIMENTAL
 	help
 	  This option enables support for NXP pca9532
 	  LED controller. It is generally only useful
@@ -121,7 +130,7 @@ config LEDS_PCA9532
 
 config LEDS_GPIO
 	tristate "LED Support for GPIO connected LEDs"
-	depends on LEDS_CLASS && GENERIC_GPIO
+	depends on GENERIC_GPIO
 	help
 	  This option enables support for the LEDs connected to GPIO
 	  outputs. To be useful the particular board must have LEDs
@@ -148,7 +157,7 @@ config LEDS_GPIO_OF
 
 config LEDS_LP3944
 	tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip"
-	depends on LEDS_CLASS && I2C
+	depends on I2C
 	help
 	  This option enables support for LEDs connected to the National
 	  Semiconductor LP3944 Lighting Management Unit (LMU) also known as
@@ -159,7 +168,7 @@ config LEDS_LP3944
 
 config LEDS_CLEVO_MAIL
 	tristate "Mail LED on Clevo notebook"
-	depends on LEDS_CLASS && X86 && SERIO_I8042 && DMI
+	depends on X86 && SERIO_I8042 && DMI
 	help
 	  This driver makes the mail LED accessible from userspace
 	  programs through the leds subsystem. This LED have three
@@ -189,7 +198,7 @@ config LEDS_CLEVO_MAIL
 
 config LEDS_PCA955X
 	tristate "LED Support for PCA955x I2C chips"
-	depends on LEDS_CLASS && I2C
+	depends on I2C
 	help
 	  This option enables support for LEDs connected to PCA955x
 	  LED driver chips accessed via the I2C bus.  Supported
@@ -197,54 +206,54 @@ config LEDS_PCA955X
 
 config LEDS_WM831X_STATUS
 	tristate "LED support for status LEDs on WM831x PMICs"
-	depends on LEDS_CLASS && MFD_WM831X
+	depends on MFD_WM831X
 	help
 	  This option enables support for the status LEDs of the WM831x
           series of PMICs.
 
 config LEDS_WM8350
 	tristate "LED Support for WM8350 AudioPlus PMIC"
-	depends on LEDS_CLASS && MFD_WM8350
+	depends on MFD_WM8350
 	help
 	  This option enables support for LEDs driven by the Wolfson
 	  Microelectronics WM8350 AudioPlus PMIC.
 
 config LEDS_DA903X
 	tristate "LED Support for DA9030/DA9034 PMIC"
-	depends on LEDS_CLASS && PMIC_DA903X
+	depends on PMIC_DA903X
 	help
 	  This option enables support for on-chip LED drivers found
 	  on Dialog Semiconductor DA9030/DA9034 PMICs.
 
 config LEDS_DAC124S085
 	tristate "LED Support for DAC124S085 SPI DAC"
-	depends on LEDS_CLASS && SPI
+	depends on SPI
 	help
 	  This option enables support for DAC124S085 SPI DAC from NatSemi,
 	  which can be used to control up to four LEDs.
 
 config LEDS_PWM
 	tristate "PWM driven LED Support"
-	depends on LEDS_CLASS && HAVE_PWM
+	depends on HAVE_PWM
 	help
 	  This option enables support for pwm driven LEDs
 
 config LEDS_REGULATOR
 	tristate "REGULATOR driven LED support"
-	depends on LEDS_CLASS && REGULATOR
+	depends on REGULATOR
 	help
 	  This option enables support for regulator driven LEDs.
 
 config LEDS_BD2802
 	tristate "LED driver for BD2802 RGB LED"
-	depends on LEDS_CLASS && I2C
+	depends on I2C
 	help
 	  This option enables support for BD2802GU RGB LED driver chips
 	  accessed via the I2C bus.
 
 config LEDS_INTEL_SS4200
 	tristate "LED driver for Intel NAS SS4200 series"
-	depends on LEDS_CLASS && PCI && DMI
+	depends on PCI && DMI
 	help
 	  This option enables support for the Intel SS4200 series of
 	  Network Attached Storage servers.  You may control the hard
@@ -253,7 +262,7 @@ config LEDS_INTEL_SS4200
 
 config LEDS_LT3593
 	tristate "LED driver for LT3593 controllers"
-	depends on LEDS_CLASS && GENERIC_GPIO
+	depends on GENERIC_GPIO
 	help
 	  This option enables support for LEDs driven by a Linear Technology
 	  LT3593 controller. This controller uses a special one-wire pulse
@@ -261,7 +270,7 @@ config LEDS_LT3593
 
 config LEDS_ADP5520
 	tristate "LED Support for ADP5520/ADP5501 PMIC"
-	depends on LEDS_CLASS && PMIC_ADP5520
+	depends on PMIC_ADP5520
 	help
 	  This option enables support for on-chip LED drivers found
 	  on Analog Devices ADP5520/ADP5501 PMICs.
@@ -269,7 +278,12 @@ config LEDS_ADP5520
 	  To compile this driver as a module, choose M here: the module will
 	  be called leds-adp5520.
 
-comment "LED Triggers"
+config LEDS_DELL_NETBOOKS
+	tristate "External LED on Dell Business Netbooks"
+	depends on X86 && ACPI_WMI
+	help
+	  This adds support for the Latitude 2100 and similar
+	  notebooks that have an external LED.
 
 config LEDS_TRIGGERS
 	bool "LED Trigger support"
@@ -278,9 +292,12 @@ config LEDS_TRIGGERS
 	  These triggers allow kernel events to drive the LEDs and can
 	  be configured via sysfs. If unsure, say Y.
 
+if LEDS_TRIGGERS
+
+comment "LED Triggers"
+
 config LEDS_TRIGGER_TIMER
 	tristate "LED Timer Trigger"
-	depends on LEDS_TRIGGERS
 	help
 	  This allows LEDs to be controlled by a programmable timer
 	  via sysfs. Some LED hardware can be programmed to start
@@ -291,14 +308,13 @@ config LEDS_TRIGGER_TIMER
 
 config LEDS_TRIGGER_IDE_DISK
 	bool "LED IDE Disk Trigger"
-	depends on LEDS_TRIGGERS && IDE_GD_ATA
+	depends on IDE_GD_ATA
 	help
 	  This allows LEDs to be controlled by IDE disk activity.
 	  If unsure, say Y.
 
 config LEDS_TRIGGER_HEARTBEAT
 	tristate "LED Heartbeat Trigger"
-	depends on LEDS_TRIGGERS
 	help
 	  This allows LEDs to be controlled by a CPU load average.
 	  The flash frequency is a hyperbolic function of the 1-minute
@@ -307,7 +323,6 @@ config LEDS_TRIGGER_HEARTBEAT
 
 config LEDS_TRIGGER_BACKLIGHT
 	tristate "LED backlight Trigger"
-	depends on LEDS_TRIGGERS
 	help
 	  This allows LEDs to be controlled as a backlight device: they
 	  turn off and on when the display is blanked and unblanked.
@@ -316,7 +331,6 @@ config LEDS_TRIGGER_BACKLIGHT
 
 config LEDS_TRIGGER_GPIO
 	tristate "LED GPIO Trigger"
-	depends on LEDS_TRIGGERS
 	depends on GPIOLIB
 	help
 	  This allows LEDs to be controlled by gpio events. It's good
@@ -329,7 +343,6 @@ config LEDS_TRIGGER_GPIO
 
 config LEDS_TRIGGER_DEFAULT_ON
 	tristate "LED Default ON Trigger"
-	depends on LEDS_TRIGGERS
 	help
 	  This allows LEDs to be initialised in the ON state.
 	  If unsure, say Y.
@@ -337,4 +350,8 @@ config LEDS_TRIGGER_DEFAULT_ON
 comment "iptables trigger is under Netfilter config (LED target)"
 	depends on LEDS_TRIGGERS
 
+endif # LEDS_TRIGGERS
+
+endif # LEDS_CLASS
+
 endif # NEW_LEDS
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index 9e63869d7c0d..0cd8b9957380 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -5,6 +5,7 @@ obj-$(CONFIG_LEDS_CLASS)		+= led-class.o
 obj-$(CONFIG_LEDS_TRIGGERS)		+= led-triggers.o
 
 # LED Platform Drivers
+obj-$(CONFIG_LEDS_88PM860X)		+= leds-88pm860x.o
 obj-$(CONFIG_LEDS_ATMEL_PWM)		+= leds-atmel-pwm.o
 obj-$(CONFIG_LEDS_BD2802)		+= leds-bd2802.o
 obj-$(CONFIG_LEDS_LOCOMO)		+= leds-locomo.o
@@ -33,6 +34,7 @@ obj-$(CONFIG_LEDS_REGULATOR)		+= leds-regulator.o
 obj-$(CONFIG_LEDS_INTEL_SS4200)		+= leds-ss4200.o
 obj-$(CONFIG_LEDS_LT3593)		+= leds-lt3593.o
 obj-$(CONFIG_LEDS_ADP5520)		+= leds-adp5520.o
+obj-$(CONFIG_LEDS_DELL_NETBOOKS)	+= dell-led.o
 
 # LED SPI Drivers
 obj-$(CONFIG_LEDS_DAC124S085)		+= leds-dac124s085.o
diff --git a/drivers/leds/dell-led.c b/drivers/leds/dell-led.c
new file mode 100644
index 000000000000..ee310891fff8
--- /dev/null
+++ b/drivers/leds/dell-led.c
@@ -0,0 +1,200 @@
+/*
+ * dell_led.c - Dell LED Driver
+ *
+ * Copyright (C) 2010 Dell Inc.
+ * Louis Davis <louis_davis@dell.com>
+ * Jim Dailey <jim_dailey@dell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/acpi.h>
+#include <linux/leds.h>
+
+MODULE_AUTHOR("Louis Davis/Jim Dailey");
+MODULE_DESCRIPTION("Dell LED Control Driver");
+MODULE_LICENSE("GPL");
+
+#define DELL_LED_BIOS_GUID "F6E4FE6E-909D-47cb-8BAB-C9F6F2F8D396"
+MODULE_ALIAS("wmi:" DELL_LED_BIOS_GUID);
+
+/* Error Result Codes: */
+#define INVALID_DEVICE_ID	250
+#define INVALID_PARAMETER	251
+#define INVALID_BUFFER		252
+#define INTERFACE_ERROR		253
+#define UNSUPPORTED_COMMAND	254
+#define UNSPECIFIED_ERROR	255
+
+/* Device ID */
+#define DEVICE_ID_PANEL_BACK	1
+
+/* LED Commands */
+#define CMD_LED_ON	16
+#define CMD_LED_OFF	17
+#define CMD_LED_BLINK	18
+
+struct bios_args {
+	unsigned char length;
+	unsigned char result_code;
+	unsigned char device_id;
+	unsigned char command;
+	unsigned char on_time;
+	unsigned char off_time;
+};
+
+static int dell_led_perform_fn(u8 length,
+		u8 result_code,
+		u8 device_id,
+		u8 command,
+		u8 on_time,
+		u8 off_time)
+{
+	struct bios_args *bios_return;
+	u8 return_code;
+	union acpi_object *obj;
+	struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
+	struct acpi_buffer input;
+	acpi_status status;
+
+	struct bios_args args;
+	args.length = length;
+	args.result_code = result_code;
+	args.device_id = device_id;
+	args.command = command;
+	args.on_time = on_time;
+	args.off_time = off_time;
+
+	input.length = sizeof(struct bios_args);
+	input.pointer = &args;
+
+	status = wmi_evaluate_method(DELL_LED_BIOS_GUID,
+		1,
+		1,
+		&input,
+		&output);
+
+	if (ACPI_FAILURE(status))
+		return status;
+
+	obj = output.pointer;
+
+	if (!obj)
+		return -EINVAL;
+	else if (obj->type != ACPI_TYPE_BUFFER) {
+		kfree(obj);
+		return -EINVAL;
+	}
+
+	bios_return = ((struct bios_args *)obj->buffer.pointer);
+	return_code = bios_return->result_code;
+
+	kfree(obj);
+
+	return return_code;
+}
+
+static int led_on(void)
+{
+	return dell_led_perform_fn(3,	/* Length of command */
+		INTERFACE_ERROR,	/* Init to  INTERFACE_ERROR */
+		DEVICE_ID_PANEL_BACK,	/* Device ID */
+		CMD_LED_ON,		/* Command */
+		0,			/* not used */
+		0);			/* not used */
+}
+
+static int led_off(void)
+{
+	return dell_led_perform_fn(3,	/* Length of command */
+		INTERFACE_ERROR,	/* Init to  INTERFACE_ERROR */
+		DEVICE_ID_PANEL_BACK,	/* Device ID */
+		CMD_LED_OFF,		/* Command */
+		0,			/* not used */
+		0);			/* not used */
+}
+
+static int led_blink(unsigned char on_eighths,
+		unsigned char off_eighths)
+{
+	return dell_led_perform_fn(5,	/* Length of command */
+		INTERFACE_ERROR,	/* Init to  INTERFACE_ERROR */
+		DEVICE_ID_PANEL_BACK,	/* Device ID */
+		CMD_LED_BLINK,		/* Command */
+		on_eighths,		/* blink on in eigths of a second */
+		off_eighths);		/* blink off in eights of a second */
+}
+
+static void dell_led_set(struct led_classdev *led_cdev,
+		enum led_brightness value)
+{
+	if (value == LED_OFF)
+		led_off();
+	else
+		led_on();
+}
+
+static int dell_led_blink(struct led_classdev *led_cdev,
+		unsigned long *delay_on,
+		unsigned long *delay_off)
+{
+	unsigned long on_eighths;
+	unsigned long off_eighths;
+
+	/* The Dell LED delay is based on 125ms intervals.
+	   Need to round up to next interval. */
+
+	on_eighths = (*delay_on + 124) / 125;
+	if (0 == on_eighths)
+		on_eighths = 1;
+	if (on_eighths > 255)
+		on_eighths = 255;
+	*delay_on = on_eighths * 125;
+
+	off_eighths = (*delay_off + 124) / 125;
+	if (0 == off_eighths)
+		off_eighths = 1;
+	if (off_eighths > 255)
+		off_eighths = 255;
+	*delay_off = off_eighths * 125;
+
+	led_blink(on_eighths, off_eighths);
+
+	return 0;
+}
+
+static struct led_classdev dell_led = {
+	.name		= "dell::lid",
+	.brightness	= LED_OFF,
+	.max_brightness = 1,
+	.brightness_set = dell_led_set,
+	.blink_set	= dell_led_blink,
+	.flags		= LED_CORE_SUSPENDRESUME,
+};
+
+static int __init dell_led_init(void)
+{
+	int error = 0;
+
+	if (!wmi_has_guid(DELL_LED_BIOS_GUID))
+		return -ENODEV;
+
+	error = led_off();
+	if (error != 0)
+		return -ENODEV;
+
+	return led_classdev_register(NULL, &dell_led);
+}
+
+static void __exit dell_led_exit(void)
+{
+	led_classdev_unregister(&dell_led);
+
+	led_off();
+}
+
+module_init(dell_led_init);
+module_exit(dell_led_exit);
diff --git a/drivers/leds/led-class.c b/drivers/leds/led-class.c
index 782f95822eab..69e7d86a5143 100644
--- a/drivers/leds/led-class.c
+++ b/drivers/leds/led-class.c
@@ -72,11 +72,14 @@ static ssize_t led_max_brightness_show(struct device *dev,
 	return sprintf(buf, "%u\n", led_cdev->max_brightness);
 }
 
-static DEVICE_ATTR(brightness, 0644, led_brightness_show, led_brightness_store);
-static DEVICE_ATTR(max_brightness, 0444, led_max_brightness_show, NULL);
+static struct device_attribute led_class_attrs[] = {
+	__ATTR(brightness, 0644, led_brightness_show, led_brightness_store),
+	__ATTR(max_brightness, 0644, led_max_brightness_show, NULL),
 #ifdef CONFIG_LEDS_TRIGGERS
-static DEVICE_ATTR(trigger, 0644, led_trigger_show, led_trigger_store);
+	__ATTR(trigger, 0644, led_trigger_show, led_trigger_store),
 #endif
+	__ATTR_NULL,
+};
 
 /**
  * led_classdev_suspend - suspend an led_classdev.
@@ -127,18 +130,11 @@ static int led_resume(struct device *dev)
  */
 int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
 {
-	int rc;
-
 	led_cdev->dev = device_create(leds_class, parent, 0, led_cdev,
 				      "%s", led_cdev->name);
 	if (IS_ERR(led_cdev->dev))
 		return PTR_ERR(led_cdev->dev);
 
-	/* register the attributes */
-	rc = device_create_file(led_cdev->dev, &dev_attr_brightness);
-	if (rc)
-		goto err_out;
-
 #ifdef CONFIG_LEDS_TRIGGERS
 	init_rwsem(&led_cdev->trigger_lock);
 #endif
@@ -150,36 +146,18 @@ int led_classdev_register(struct device *parent, struct led_classdev *led_cdev)
 	if (!led_cdev->max_brightness)
 		led_cdev->max_brightness = LED_FULL;
 
-	rc = device_create_file(led_cdev->dev, &dev_attr_max_brightness);
-	if (rc)
-		goto err_out_attr_max;
-
 	led_update_brightness(led_cdev);
 
 #ifdef CONFIG_LEDS_TRIGGERS
-	rc = device_create_file(led_cdev->dev, &dev_attr_trigger);
-	if (rc)
-		goto err_out_led_list;
-
 	led_trigger_set_default(led_cdev);
 #endif
 
-	printk(KERN_INFO "Registered led device: %s\n",
+	printk(KERN_DEBUG "Registered led device: %s\n",
 			led_cdev->name);
 
 	return 0;
-
-#ifdef CONFIG_LEDS_TRIGGERS
-err_out_led_list:
-	device_remove_file(led_cdev->dev, &dev_attr_max_brightness);
-#endif
-err_out_attr_max:
-	device_remove_file(led_cdev->dev, &dev_attr_brightness);
-	list_del(&led_cdev->node);
-err_out:
-	device_unregister(led_cdev->dev);
-	return rc;
 }
+
 EXPORT_SYMBOL_GPL(led_classdev_register);
 
 /**
@@ -190,10 +168,7 @@ EXPORT_SYMBOL_GPL(led_classdev_register);
  */
 void led_classdev_unregister(struct led_classdev *led_cdev)
 {
-	device_remove_file(led_cdev->dev, &dev_attr_max_brightness);
-	device_remove_file(led_cdev->dev, &dev_attr_brightness);
 #ifdef CONFIG_LEDS_TRIGGERS
-	device_remove_file(led_cdev->dev, &dev_attr_trigger);
 	down_write(&led_cdev->trigger_lock);
 	if (led_cdev->trigger)
 		led_trigger_set(led_cdev, NULL);
@@ -215,6 +190,7 @@ static int __init leds_init(void)
 		return PTR_ERR(leds_class);
 	leds_class->suspend = led_suspend;
 	leds_class->resume = led_resume;
+	leds_class->dev_attrs = led_class_attrs;
 	return 0;
 }
 
diff --git a/drivers/leds/leds-88pm860x.c b/drivers/leds/leds-88pm860x.c
new file mode 100644
index 000000000000..d196073a6aeb
--- /dev/null
+++ b/drivers/leds/leds-88pm860x.c
@@ -0,0 +1,325 @@
+/*
+ * LED driver for Marvell 88PM860x
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ *	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/leds.h>
+#include <linux/workqueue.h>
+#include <linux/mfd/88pm860x.h>
+
+#define LED_PWM_SHIFT		(3)
+#define LED_PWM_MASK		(0x1F)
+#define LED_CURRENT_MASK	(0x07 << 5)
+
+#define LED_BLINK_ON_MASK	(0x07)
+#define LED_BLINK_PERIOD_MASK	(0x0F << 3)
+#define LED_BLINK_MASK		(0x7F)
+
+#define LED_BLINK_ON(x)		((x & 0x7) * 66 + 66)
+#define LED_BLINK_PERIOD(x)	((x & 0xF) * 530 + 930)
+#define LED_BLINK_ON_MIN	LED_BLINK_ON(0)
+#define LED_BLINK_ON_MAX	LED_BLINK_ON(0x7)
+#define LED_BLINK_PERIOD_MIN	LED_BLINK_PERIOD(0)
+#define LED_BLINK_PERIOD_MAX	LED_BLINK_PERIOD(0xE)
+#define LED_TO_ON(x)		((x - 66) / 66)
+#define LED_TO_PERIOD(x)	((x - 930) / 530)
+
+#define LED1_BLINK_EN		(1 << 1)
+#define LED2_BLINK_EN		(1 << 2)
+
+enum {
+	SET_BRIGHTNESS,
+	SET_BLINK,
+};
+
+struct pm860x_led {
+	struct led_classdev cdev;
+	struct i2c_client *i2c;
+	struct work_struct work;
+	struct pm860x_chip *chip;
+	struct mutex lock;
+	char name[MFD_NAME_SIZE];
+
+	int port;
+	int iset;
+	int command;
+	int offset;
+	unsigned char brightness;
+	unsigned char current_brightness;
+
+	int blink_data;
+	int blink_time;
+	int blink_on;
+	int blink_off;
+};
+
+/* return offset of color register */
+static inline int __led_off(int port)
+{
+	int ret = -EINVAL;
+
+	switch (port) {
+	case PM8606_LED1_RED:
+	case PM8606_LED1_GREEN:
+	case PM8606_LED1_BLUE:
+		ret = port - PM8606_LED1_RED + PM8606_RGB1B;
+		break;
+	case PM8606_LED2_RED:
+	case PM8606_LED2_GREEN:
+	case PM8606_LED2_BLUE:
+		ret = port - PM8606_LED2_RED + PM8606_RGB2B;
+		break;
+	}
+	return ret;
+}
+
+/* return offset of blink register */
+static inline int __blink_off(int port)
+{
+	int ret = -EINVAL;
+
+	switch (port) {
+	case PM8606_LED1_RED:
+	case PM8606_LED1_GREEN:
+	case PM8606_LED1_BLUE:
+		ret = PM8606_RGB1A;
+	case PM8606_LED2_RED:
+	case PM8606_LED2_GREEN:
+	case PM8606_LED2_BLUE:
+		ret = PM8606_RGB2A;
+	}
+	return ret;
+}
+
+static inline int __blink_ctl_mask(int port)
+{
+	int ret = -EINVAL;
+
+	switch (port) {
+	case PM8606_LED1_RED:
+	case PM8606_LED1_GREEN:
+	case PM8606_LED1_BLUE:
+		ret = LED1_BLINK_EN;
+		break;
+	case PM8606_LED2_RED:
+	case PM8606_LED2_GREEN:
+	case PM8606_LED2_BLUE:
+		ret = LED2_BLINK_EN;
+		break;
+	}
+	return ret;
+}
+
+static int __led_set(struct pm860x_led *led, int command)
+{
+	struct pm860x_chip *chip = led->chip;
+	int mask, ret;
+
+	mutex_lock(&led->lock);
+	switch (command) {
+	case SET_BRIGHTNESS:
+		if ((led->current_brightness == 0) && led->brightness) {
+			if (led->iset) {
+				ret = pm860x_set_bits(led->i2c, led->offset,
+						LED_CURRENT_MASK, led->iset);
+				if (ret < 0)
+					goto out;
+			}
+		} else if (led->brightness == 0) {
+			ret = pm860x_set_bits(led->i2c, led->offset,
+						LED_CURRENT_MASK, 0);
+			if (ret < 0)
+				goto out;
+		}
+		ret = pm860x_set_bits(led->i2c, led->offset, LED_PWM_MASK,
+					led->brightness);
+		if (ret < 0)
+			goto out;
+		led->current_brightness = led->brightness;
+		dev_dbg(chip->dev, "Update LED. (reg:%d, brightness:%d)\n",
+			led->offset, led->brightness);
+		break;
+	case SET_BLINK:
+		ret = pm860x_set_bits(led->i2c, led->offset,
+				LED_BLINK_MASK, led->blink_data);
+		if (ret < 0)
+			goto out;
+
+		mask = __blink_ctl_mask(led->port);
+		ret = pm860x_set_bits(led->i2c, PM8606_WLED3B, mask, mask);
+		if (ret < 0)
+			goto out;
+		dev_dbg(chip->dev, "LED blink delay on:%dms, delay off:%dms\n",
+			led->blink_on, led->blink_off);
+		break;
+	}
+out:
+	mutex_unlock(&led->lock);
+	return 0;
+}
+
+static void pm860x_led_work(struct work_struct *work)
+{
+	struct pm860x_led *led;
+
+	led = container_of(work, struct pm860x_led, work);
+	__led_set(led, led->command);
+}
+
+static void pm860x_led_set(struct led_classdev *cdev,
+			   enum led_brightness value)
+{
+	struct pm860x_led *data = container_of(cdev, struct pm860x_led, cdev);
+
+	data->offset = __led_off(data->port);
+	data->brightness = value >> 3;
+	data->command = SET_BRIGHTNESS;
+	schedule_work(&data->work);
+}
+
+static int pm860x_led_blink(struct led_classdev *cdev,
+			    unsigned long *delay_on,
+			    unsigned long *delay_off)
+{
+	struct pm860x_led *data = container_of(cdev, struct pm860x_led, cdev);
+	int period, on;
+
+	on = *delay_on;
+	if ((on < LED_BLINK_ON_MIN) || (on > LED_BLINK_ON_MAX))
+		return -EINVAL;
+
+	on = LED_TO_ON(on);
+	on = LED_BLINK_ON(on);
+
+	period = on + *delay_off;
+	if ((period < LED_BLINK_PERIOD_MIN) || (period > LED_BLINK_PERIOD_MAX))
+		return -EINVAL;
+	period = LED_TO_PERIOD(period);
+	period = LED_BLINK_PERIOD(period);
+
+	data->offset = __blink_off(data->port);
+	data->blink_on = on;
+	data->blink_off = period - data->blink_on;
+	data->blink_data = (period << 3) | data->blink_on;
+	data->command = SET_BLINK;
+	schedule_work(&data->work);
+
+	return 0;
+}
+
+static int __check_device(struct pm860x_led_pdata *pdata, char *name)
+{
+	struct pm860x_led_pdata *p = pdata;
+	int ret = -EINVAL;
+
+	while (p && p->id) {
+		if ((p->id != PM8606_ID_LED) || (p->flags < 0))
+			break;
+
+		if (!strncmp(name, pm860x_led_name[p->flags],
+			MFD_NAME_SIZE)) {
+			ret = (int)p->flags;
+			break;
+		}
+		p++;
+	}
+	return ret;
+}
+
+static int pm860x_led_probe(struct platform_device *pdev)
+{
+	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
+	struct pm860x_platform_data *pm860x_pdata;
+	struct pm860x_led_pdata *pdata;
+	struct pm860x_led *data;
+	struct resource *res;
+	int ret;
+
+	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+	if (res == NULL) {
+		dev_err(&pdev->dev, "No I/O resource!\n");
+		return -EINVAL;
+	}
+
+	if (pdev->dev.parent->platform_data) {
+		pm860x_pdata = pdev->dev.parent->platform_data;
+		pdata = pm860x_pdata->led;
+	} else
+		pdata = NULL;
+
+	data = kzalloc(sizeof(struct pm860x_led), GFP_KERNEL);
+	if (data == NULL)
+		return -ENOMEM;
+	strncpy(data->name, res->name, MFD_NAME_SIZE);
+	dev_set_drvdata(&pdev->dev, data);
+	data->chip = chip;
+	data->i2c = (chip->id == CHIP_PM8606) ? chip->client : chip->companion;
+	data->iset = pdata->iset;
+	data->port = __check_device(pdata, data->name);
+	if (data->port < 0)
+		return -EINVAL;
+
+	data->current_brightness = 0;
+	data->cdev.name = data->name;
+	data->cdev.brightness_set = pm860x_led_set;
+	data->cdev.blink_set = pm860x_led_blink;
+	mutex_init(&data->lock);
+	INIT_WORK(&data->work, pm860x_led_work);
+
+	ret = led_classdev_register(chip->dev, &data->cdev);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to register LED: %d\n", ret);
+		goto out;
+	}
+	return 0;
+out:
+	kfree(data);
+	return ret;
+}
+
+static int pm860x_led_remove(struct platform_device *pdev)
+{
+	struct pm860x_led *data = platform_get_drvdata(pdev);
+
+	led_classdev_unregister(&data->cdev);
+	kfree(data);
+
+	return 0;
+}
+
+static struct platform_driver pm860x_led_driver = {
+	.driver	= {
+		.name	= "88pm860x-led",
+		.owner	= THIS_MODULE,
+	},
+	.probe	= pm860x_led_probe,
+	.remove	= pm860x_led_remove,
+};
+
+static int __devinit pm860x_led_init(void)
+{
+	return platform_driver_register(&pm860x_led_driver);
+}
+module_init(pm860x_led_init);
+
+static void __devexit pm860x_led_exit(void)
+{
+	platform_driver_unregister(&pm860x_led_driver);
+}
+module_exit(pm860x_led_exit);
+
+MODULE_DESCRIPTION("LED driver for Marvell PM860x");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:88pm860x-led");
diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
index e5225d28f392..0823e2622e8c 100644
--- a/drivers/leds/leds-gpio.c
+++ b/drivers/leds/leds-gpio.c
@@ -211,7 +211,6 @@ static int __devinit of_gpio_leds_probe(struct of_device *ofdev,
 					const struct of_device_id *match)
 {
 	struct device_node *np = ofdev->node, *child;
-	struct gpio_led led;
 	struct gpio_led_of_platform_data *pdata;
 	int count = 0, ret;
 
@@ -226,8 +225,8 @@ static int __devinit of_gpio_leds_probe(struct of_device *ofdev,
 	if (!pdata)
 		return -ENOMEM;
 
-	memset(&led, 0, sizeof(led));
 	for_each_child_of_node(np, child) {
+		struct gpio_led led = {};
 		enum of_gpio_flags flags;
 		const char *state;
 
diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c
index 97f04984c1ca..51477ec71391 100644
--- a/drivers/leds/leds-ss4200.c
+++ b/drivers/leds/leds-ss4200.c
@@ -63,7 +63,7 @@ MODULE_LICENSE("GPL");
 /*
  * PCI ID of the Intel ICH7 LPC Device within which the GPIO block lives.
  */
-static struct pci_device_id ich7_lpc_pci_id[] =
+static const struct pci_device_id ich7_lpc_pci_id[] =
 {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_0) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ICH7_1) },
diff --git a/drivers/macintosh/therm_pm72.c b/drivers/macintosh/therm_pm72.c
index 5738d8bf2d97..921373e4e3af 100644
--- a/drivers/macintosh/therm_pm72.c
+++ b/drivers/macintosh/therm_pm72.c
@@ -948,10 +948,16 @@ static void do_monitor_cpu_combined(void)
 		printk(KERN_WARNING "Warning ! Temperature way above maximum (%d) !\n",
 		       temp_combi >> 16);
 		state0->overtemp += CPU_MAX_OVERTEMP / 4;
-	} else if (temp_combi > (state0->mpu.tmax << 16))
+	} else if (temp_combi > (state0->mpu.tmax << 16)) {
 		state0->overtemp++;
-	else
+		printk(KERN_WARNING "Temperature %d above max %d. overtemp %d\n",
+		       temp_combi >> 16, state0->mpu.tmax, state0->overtemp);
+	} else {
+		if (state0->overtemp)
+			printk(KERN_WARNING "Temperature back down to %d\n",
+			       temp_combi >> 16);
 		state0->overtemp = 0;
+	}
 	if (state0->overtemp >= CPU_MAX_OVERTEMP)
 		critical_state = 1;
 	if (state0->overtemp > 0) {
@@ -1023,10 +1029,16 @@ static void do_monitor_cpu_split(struct cpu_pid_state *state)
 		       " (%d) !\n",
 		       state->index, temp >> 16);
 		state->overtemp += CPU_MAX_OVERTEMP / 4;
-	} else if (temp > (state->mpu.tmax << 16))
+	} else if (temp > (state->mpu.tmax << 16)) {
 		state->overtemp++;
-	else
+		printk(KERN_WARNING "CPU %d temperature %d above max %d. overtemp %d\n",
+		       state->index, temp >> 16, state->mpu.tmax, state->overtemp);
+	} else {
+		if (state->overtemp)
+			printk(KERN_WARNING "CPU %d temperature back down to %d\n",
+			       state->index, temp >> 16);
 		state->overtemp = 0;
+	}
 	if (state->overtemp >= CPU_MAX_OVERTEMP)
 		critical_state = 1;
 	if (state->overtemp > 0) {
@@ -1085,10 +1097,16 @@ static void do_monitor_cpu_rack(struct cpu_pid_state *state)
 		       " (%d) !\n",
 		       state->index, temp >> 16);
 		state->overtemp = CPU_MAX_OVERTEMP / 4;
-	} else if (temp > (state->mpu.tmax << 16))
+	} else if (temp > (state->mpu.tmax << 16)) {
 		state->overtemp++;
-	else
+		printk(KERN_WARNING "CPU %d temperature %d above max %d. overtemp %d\n",
+		       state->index, temp >> 16, state->mpu.tmax, state->overtemp);
+	} else {
+		if (state->overtemp)
+			printk(KERN_WARNING "CPU %d temperature back down to %d\n",
+			       state->index, temp >> 16);
 		state->overtemp = 0;
+	}
 	if (state->overtemp >= CPU_MAX_OVERTEMP)
 		critical_state = 1;
 	if (state->overtemp > 0) {
diff --git a/drivers/macintosh/therm_pm72.h b/drivers/macintosh/therm_pm72.h
index 393cc9df94e1..df3680e2a22f 100644
--- a/drivers/macintosh/therm_pm72.h
+++ b/drivers/macintosh/therm_pm72.h
@@ -269,7 +269,7 @@ struct slots_pid_state
 #define CPU_TEMP_HISTORY_SIZE		2
 #define CPU_POWER_HISTORY_SIZE		10
 #define CPU_PID_INTERVAL		1
-#define CPU_MAX_OVERTEMP		30
+#define CPU_MAX_OVERTEMP		90
 
 #define CPUA_PUMP_RPM_INDEX		7
 #define CPUB_PUMP_RPM_INDEX		8
diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c
index 4f3c4479c16a..1cec02f6c431 100644
--- a/drivers/macintosh/via-pmu-backlight.c
+++ b/drivers/macintosh/via-pmu-backlight.c
@@ -144,6 +144,7 @@ void pmu_backlight_set_sleep(int sleep)
 
 void __init pmu_backlight_init()
 {
+	struct backlight_properties props;
 	struct backlight_device *bd;
 	char name[10];
 	int level, autosave;
@@ -161,13 +162,15 @@ void __init pmu_backlight_init()
 
 	snprintf(name, sizeof(name), "pmubl");
 
-	bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
+	bd = backlight_device_register(name, NULL, NULL, &pmu_backlight_data,
+				       &props);
 	if (IS_ERR(bd)) {
 		printk(KERN_ERR "PMU Backlight registration failed\n");
 		return;
 	}
 	uses_pmu_bl = 1;
-	bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
 	pmu_backlight_init_curve(0x7F, 0x46, 0x0E);
 
 	level = bd->props.max_brightness;
diff --git a/drivers/macintosh/windfarm_core.c b/drivers/macintosh/windfarm_core.c
index 437f55c5d18d..419795f4a2aa 100644
--- a/drivers/macintosh/windfarm_core.c
+++ b/drivers/macintosh/windfarm_core.c
@@ -321,6 +321,7 @@ int wf_register_sensor(struct wf_sensor *new_sr)
 	kref_init(&new_sr->ref);
 	list_add(&new_sr->link, &wf_sensors);
 
+	sysfs_attr_init(&new_sr->attr.attr);
 	new_sr->attr.attr.name = new_sr->name;
 	new_sr->attr.attr.mode = 0444;
 	new_sr->attr.show = wf_show_sensor;
diff --git a/drivers/macintosh/windfarm_smu_controls.c b/drivers/macintosh/windfarm_smu_controls.c
index 6c68b9e5f5c4..43137b421f92 100644
--- a/drivers/macintosh/windfarm_smu_controls.c
+++ b/drivers/macintosh/windfarm_smu_controls.c
@@ -173,6 +173,7 @@ static struct smu_fan_control *smu_fan_create(struct device_node *node,
 
 	fct->fan_type = pwm_fan;
 	fct->ctrl.type = pwm_fan ? WF_CONTROL_PWM_FAN : WF_CONTROL_RPM_FAN;
+	sysfs_attr_init(&fct->ctrl.attr.attr);
 
 	/* We use the name & location here the same way we do for SMU sensors,
 	 * see the comment in windfarm_smu_sensors.c. The locations are a bit
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index a93637223c8d..3bdbb6115702 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1160,8 +1160,7 @@ static int crypt_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	}
 	cc->start = tmpll;
 
-	if (dm_get_device(ti, argv[3], cc->start, ti->len,
-			  dm_table_get_mode(ti->table), &cc->dev)) {
+	if (dm_get_device(ti, argv[3], dm_table_get_mode(ti->table), &cc->dev)) {
 		ti->error = "Device lookup failed";
 		goto bad_device;
 	}
diff --git a/drivers/md/dm-delay.c b/drivers/md/dm-delay.c
index ebe7381f47c8..852052880d7a 100644
--- a/drivers/md/dm-delay.c
+++ b/drivers/md/dm-delay.c
@@ -156,8 +156,8 @@ static int delay_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 		goto bad;
 	}
 
-	if (dm_get_device(ti, argv[0], dc->start_read, ti->len,
-			  dm_table_get_mode(ti->table), &dc->dev_read)) {
+	if (dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),
+			  &dc->dev_read)) {
 		ti->error = "Device lookup failed";
 		goto bad;
 	}
@@ -177,8 +177,8 @@ static int delay_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 		goto bad_dev_read;
 	}
 
-	if (dm_get_device(ti, argv[3], dc->start_write, ti->len,
-			  dm_table_get_mode(ti->table), &dc->dev_write)) {
+	if (dm_get_device(ti, argv[3], dm_table_get_mode(ti->table),
+			  &dc->dev_write)) {
 		ti->error = "Write device lookup failed";
 		goto bad_dev_read;
 	}
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 1d669322b27c..d7500e1c26f2 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -285,7 +285,8 @@ retry:
 	up_write(&_hash_lock);
 }
 
-static int dm_hash_rename(uint32_t cookie, const char *old, const char *new)
+static int dm_hash_rename(uint32_t cookie, uint32_t *flags, const char *old,
+			  const char *new)
 {
 	char *new_name, *old_name;
 	struct hash_cell *hc;
@@ -344,7 +345,8 @@ static int dm_hash_rename(uint32_t cookie, const char *old, const char *new)
 		dm_table_put(table);
 	}
 
-	dm_kobject_uevent(hc->md, KOBJ_CHANGE, cookie);
+	if (!dm_kobject_uevent(hc->md, KOBJ_CHANGE, cookie))
+		*flags |= DM_UEVENT_GENERATED_FLAG;
 
 	dm_put(hc->md);
 	up_write(&_hash_lock);
@@ -736,10 +738,10 @@ static int dev_remove(struct dm_ioctl *param, size_t param_size)
 	__hash_remove(hc);
 	up_write(&_hash_lock);
 
-	dm_kobject_uevent(md, KOBJ_REMOVE, param->event_nr);
+	if (!dm_kobject_uevent(md, KOBJ_REMOVE, param->event_nr))
+		param->flags |= DM_UEVENT_GENERATED_FLAG;
 
 	dm_put(md);
-	param->data_size = 0;
 	return 0;
 }
 
@@ -773,7 +775,9 @@ static int dev_rename(struct dm_ioctl *param, size_t param_size)
 		return r;
 
 	param->data_size = 0;
-	return dm_hash_rename(param->event_nr, param->name, new_name);
+
+	return dm_hash_rename(param->event_nr, &param->flags, param->name,
+			      new_name);
 }
 
 static int dev_set_geometry(struct dm_ioctl *param, size_t param_size)
@@ -897,16 +901,17 @@ static int do_resume(struct dm_ioctl *param)
 			set_disk_ro(dm_disk(md), 1);
 	}
 
-	if (dm_suspended_md(md))
+	if (dm_suspended_md(md)) {
 		r = dm_resume(md);
+		if (!r && !dm_kobject_uevent(md, KOBJ_CHANGE, param->event_nr))
+			param->flags |= DM_UEVENT_GENERATED_FLAG;
+	}
 
 	if (old_map)
 		dm_table_destroy(old_map);
 
-	if (!r) {
-		dm_kobject_uevent(md, KOBJ_CHANGE, param->event_nr);
+	if (!r)
 		r = __dev_status(md, param);
-	}
 
 	dm_put(md);
 	return r;
@@ -1476,6 +1481,7 @@ static int validate_params(uint cmd, struct dm_ioctl *param)
 {
 	/* Always clear this flag */
 	param->flags &= ~DM_BUFFER_FULL_FLAG;
+	param->flags &= ~DM_UEVENT_GENERATED_FLAG;
 
 	/* Ignores parameters */
 	if (cmd == DM_REMOVE_ALL_CMD ||
diff --git a/drivers/md/dm-linear.c b/drivers/md/dm-linear.c
index 82f7d6e6b1ea..9200dbf2391a 100644
--- a/drivers/md/dm-linear.c
+++ b/drivers/md/dm-linear.c
@@ -47,8 +47,7 @@ static int linear_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	}
 	lc->start = tmp;
 
-	if (dm_get_device(ti, argv[0], lc->start, ti->len,
-			  dm_table_get_mode(ti->table), &lc->dev)) {
+	if (dm_get_device(ti, argv[0], dm_table_get_mode(ti->table), &lc->dev)) {
 		ti->error = "dm-linear: Device lookup failed";
 		goto bad;
 	}
diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c
index 7035582786fb..5a08be0222db 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -543,8 +543,7 @@ static int disk_ctr(struct dm_dirty_log *log, struct dm_target *ti,
 		return -EINVAL;
 	}
 
-	r = dm_get_device(ti, argv[0], 0, 0 /* FIXME */,
-			  FMODE_READ | FMODE_WRITE, &dev);
+	r = dm_get_device(ti, argv[0], FMODE_READ | FMODE_WRITE, &dev);
 	if (r)
 		return r;
 
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index e81345a1d08f..826bce7343b3 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -69,6 +69,7 @@ struct multipath {
 	struct list_head priority_groups;
 	unsigned pg_init_required;	/* pg_init needs calling? */
 	unsigned pg_init_in_progress;	/* Only one pg_init allowed at once */
+	wait_queue_head_t pg_init_wait;	/* Wait for pg_init completion */
 
 	unsigned nr_valid_paths;	/* Total number of usable paths */
 	struct pgpath *current_pgpath;
@@ -95,8 +96,6 @@ struct multipath {
 	mempool_t *mpio_pool;
 
 	struct mutex work_mutex;
-
-	unsigned suspended;	/* Don't create new I/O internally when set. */
 };
 
 /*
@@ -202,6 +201,7 @@ static struct multipath *alloc_multipath(struct dm_target *ti)
 		m->queue_io = 1;
 		INIT_WORK(&m->process_queued_ios, process_queued_ios);
 		INIT_WORK(&m->trigger_event, trigger_event);
+		init_waitqueue_head(&m->pg_init_wait);
 		mutex_init(&m->work_mutex);
 		m->mpio_pool = mempool_create_slab_pool(MIN_IOS, _mpio_cache);
 		if (!m->mpio_pool) {
@@ -235,6 +235,21 @@ static void free_multipath(struct multipath *m)
  * Path selection
  *-----------------------------------------------*/
 
+static void __pg_init_all_paths(struct multipath *m)
+{
+	struct pgpath *pgpath;
+
+	m->pg_init_count++;
+	m->pg_init_required = 0;
+	list_for_each_entry(pgpath, &m->current_pg->pgpaths, list) {
+		/* Skip failed paths */
+		if (!pgpath->is_active)
+			continue;
+		if (queue_work(kmpath_handlerd, &pgpath->activate_path))
+			m->pg_init_in_progress++;
+	}
+}
+
 static void __switch_pg(struct multipath *m, struct pgpath *pgpath)
 {
 	m->current_pg = pgpath->pg;
@@ -439,7 +454,7 @@ static void process_queued_ios(struct work_struct *work)
 {
 	struct multipath *m =
 		container_of(work, struct multipath, process_queued_ios);
-	struct pgpath *pgpath = NULL, *tmp;
+	struct pgpath *pgpath = NULL;
 	unsigned must_queue = 1;
 	unsigned long flags;
 
@@ -457,14 +472,9 @@ static void process_queued_ios(struct work_struct *work)
 	    (!pgpath && !m->queue_if_no_path))
 		must_queue = 0;
 
-	if (m->pg_init_required && !m->pg_init_in_progress && pgpath) {
-		m->pg_init_count++;
-		m->pg_init_required = 0;
-		list_for_each_entry(tmp, &pgpath->pg->pgpaths, list) {
-			if (queue_work(kmpath_handlerd, &tmp->activate_path))
-				m->pg_init_in_progress++;
-		}
-	}
+	if (m->pg_init_required && !m->pg_init_in_progress && pgpath)
+		__pg_init_all_paths(m);
+
 out:
 	spin_unlock_irqrestore(&m->lock, flags);
 	if (!must_queue)
@@ -597,8 +607,8 @@ static struct pgpath *parse_path(struct arg_set *as, struct path_selector *ps,
 	if (!p)
 		return ERR_PTR(-ENOMEM);
 
-	r = dm_get_device(ti, shift(as), ti->begin, ti->len,
-			  dm_table_get_mode(ti->table), &p->path.dev);
+	r = dm_get_device(ti, shift(as), dm_table_get_mode(ti->table),
+			  &p->path.dev);
 	if (r) {
 		ti->error = "error getting device";
 		goto bad;
@@ -890,9 +900,34 @@ static int multipath_ctr(struct dm_target *ti, unsigned int argc,
 	return r;
 }
 
-static void flush_multipath_work(void)
+static void multipath_wait_for_pg_init_completion(struct multipath *m)
+{
+	DECLARE_WAITQUEUE(wait, current);
+	unsigned long flags;
+
+	add_wait_queue(&m->pg_init_wait, &wait);
+
+	while (1) {
+		set_current_state(TASK_UNINTERRUPTIBLE);
+
+		spin_lock_irqsave(&m->lock, flags);
+		if (!m->pg_init_in_progress) {
+			spin_unlock_irqrestore(&m->lock, flags);
+			break;
+		}
+		spin_unlock_irqrestore(&m->lock, flags);
+
+		io_schedule();
+	}
+	set_current_state(TASK_RUNNING);
+
+	remove_wait_queue(&m->pg_init_wait, &wait);
+}
+
+static void flush_multipath_work(struct multipath *m)
 {
 	flush_workqueue(kmpath_handlerd);
+	multipath_wait_for_pg_init_completion(m);
 	flush_workqueue(kmultipathd);
 	flush_scheduled_work();
 }
@@ -901,7 +936,7 @@ static void multipath_dtr(struct dm_target *ti)
 {
 	struct multipath *m = ti->private;
 
-	flush_multipath_work();
+	flush_multipath_work(m);
 	free_multipath(m);
 }
 
@@ -1128,8 +1163,7 @@ static int pg_init_limit_reached(struct multipath *m, struct pgpath *pgpath)
 
 static void pg_init_done(void *data, int errors)
 {
-	struct dm_path *path = data;
-	struct pgpath *pgpath = path_to_pgpath(path);
+	struct pgpath *pgpath = data;
 	struct priority_group *pg = pgpath->pg;
 	struct multipath *m = pg->m;
 	unsigned long flags;
@@ -1143,8 +1177,8 @@ static void pg_init_done(void *data, int errors)
 			errors = 0;
 			break;
 		}
-		DMERR("Cannot failover device because scsi_dh_%s was not "
-		      "loaded.", m->hw_handler_name);
+		DMERR("Could not failover the device: Handler scsi_dh_%s "
+		      "Error %d.", m->hw_handler_name, errors);
 		/*
 		 * Fail path for now, so we do not ping pong
 		 */
@@ -1181,14 +1215,24 @@ static void pg_init_done(void *data, int errors)
 			m->current_pgpath = NULL;
 			m->current_pg = NULL;
 		}
-	} else if (!m->pg_init_required) {
-		m->queue_io = 0;
+	} else if (!m->pg_init_required)
 		pg->bypassed = 0;
-	}
 
-	m->pg_init_in_progress--;
-	if (!m->pg_init_in_progress)
-		queue_work(kmultipathd, &m->process_queued_ios);
+	if (--m->pg_init_in_progress)
+		/* Activations of other paths are still on going */
+		goto out;
+
+	if (!m->pg_init_required)
+		m->queue_io = 0;
+
+	queue_work(kmultipathd, &m->process_queued_ios);
+
+	/*
+	 * Wake up any thread waiting to suspend.
+	 */
+	wake_up(&m->pg_init_wait);
+
+out:
 	spin_unlock_irqrestore(&m->lock, flags);
 }
 
@@ -1198,7 +1242,7 @@ static void activate_path(struct work_struct *work)
 		container_of(work, struct pgpath, activate_path);
 
 	scsi_dh_activate(bdev_get_queue(pgpath->path.dev->bdev),
-				pg_init_done, &pgpath->path);
+				pg_init_done, pgpath);
 }
 
 /*
@@ -1276,8 +1320,7 @@ static void multipath_postsuspend(struct dm_target *ti)
 	struct multipath *m = ti->private;
 
 	mutex_lock(&m->work_mutex);
-	m->suspended = 1;
-	flush_multipath_work();
+	flush_multipath_work(m);
 	mutex_unlock(&m->work_mutex);
 }
 
@@ -1289,10 +1332,6 @@ static void multipath_resume(struct dm_target *ti)
 	struct multipath *m = (struct multipath *) ti->private;
 	unsigned long flags;
 
-	mutex_lock(&m->work_mutex);
-	m->suspended = 0;
-	mutex_unlock(&m->work_mutex);
-
 	spin_lock_irqsave(&m->lock, flags);
 	m->queue_if_no_path = m->saved_queue_if_no_path;
 	spin_unlock_irqrestore(&m->lock, flags);
@@ -1428,11 +1467,6 @@ static int multipath_message(struct dm_target *ti, unsigned argc, char **argv)
 
 	mutex_lock(&m->work_mutex);
 
-	if (m->suspended) {
-		r = -EBUSY;
-		goto out;
-	}
-
 	if (dm_suspended(ti)) {
 		r = -EBUSY;
 		goto out;
@@ -1471,8 +1505,7 @@ static int multipath_message(struct dm_target *ti, unsigned argc, char **argv)
 		goto out;
 	}
 
-	r = dm_get_device(ti, argv[1], ti->begin, ti->len,
-			  dm_table_get_mode(ti->table), &dev);
+	r = dm_get_device(ti, argv[1], dm_table_get_mode(ti->table), &dev);
 	if (r) {
 		DMWARN("message: error getting device %s",
 		       argv[1]);
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 6c1046df81f6..ddda531723dc 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -465,9 +465,17 @@ static void map_region(struct dm_io_region *io, struct mirror *m,
 static void hold_bio(struct mirror_set *ms, struct bio *bio)
 {
 	/*
-	 * If device is suspended, complete the bio.
+	 * Lock is required to avoid race condition during suspend
+	 * process.
 	 */
+	spin_lock_irq(&ms->lock);
+
 	if (atomic_read(&ms->suspend)) {
+		spin_unlock_irq(&ms->lock);
+
+		/*
+		 * If device is suspended, complete the bio.
+		 */
 		if (dm_noflush_suspending(ms->ti))
 			bio_endio(bio, DM_ENDIO_REQUEUE);
 		else
@@ -478,7 +486,6 @@ static void hold_bio(struct mirror_set *ms, struct bio *bio)
 	/*
 	 * Hold bio until the suspend is complete.
 	 */
-	spin_lock_irq(&ms->lock);
 	bio_list_add(&ms->holds, bio);
 	spin_unlock_irq(&ms->lock);
 }
@@ -737,9 +744,12 @@ static void do_writes(struct mirror_set *ms, struct bio_list *writes)
 		dm_rh_delay(ms->rh, bio);
 
 	while ((bio = bio_list_pop(&nosync))) {
-		if (unlikely(ms->leg_failure) && errors_handled(ms))
-			hold_bio(ms, bio);
-		else {
+		if (unlikely(ms->leg_failure) && errors_handled(ms)) {
+			spin_lock_irq(&ms->lock);
+			bio_list_add(&ms->failures, bio);
+			spin_unlock_irq(&ms->lock);
+			wakeup_mirrord(ms);
+		} else {
 			map_bio(get_default_mirror(ms), bio);
 			generic_make_request(bio);
 		}
@@ -917,8 +927,7 @@ static int get_mirror(struct mirror_set *ms, struct dm_target *ti,
 		return -EINVAL;
 	}
 
-	if (dm_get_device(ti, argv[0], offset, ti->len,
-			  dm_table_get_mode(ti->table),
+	if (dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),
 			  &ms->mirror[mirror].dev)) {
 		ti->error = "Device lookup failure";
 		return -ENXIO;
@@ -1259,6 +1268,20 @@ static void mirror_presuspend(struct dm_target *ti)
 	atomic_set(&ms->suspend, 1);
 
 	/*
+	 * Process bios in the hold list to start recovery waiting
+	 * for bios in the hold list. After the process, no bio has
+	 * a chance to be added in the hold list because ms->suspend
+	 * is set.
+	 */
+	spin_lock_irq(&ms->lock);
+	holds = ms->holds;
+	bio_list_init(&ms->holds);
+	spin_unlock_irq(&ms->lock);
+
+	while ((bio = bio_list_pop(&holds)))
+		hold_bio(ms, bio);
+
+	/*
 	 * We must finish up all the work that we've
 	 * generated (i.e. recovery work).
 	 */
@@ -1278,22 +1301,6 @@ static void mirror_presuspend(struct dm_target *ti)
 	 * we know that all of our I/O has been pushed.
 	 */
 	flush_workqueue(ms->kmirrord_wq);
-
-	/*
-	 * Now set ms->suspend is set and the workqueue flushed, no more
-	 * entries can be added to ms->hold list, so process it.
-	 *
-	 * Bios can still arrive concurrently with or after this
-	 * presuspend function, but they cannot join the hold list
-	 * because ms->suspend is set.
-	 */
-	spin_lock_irq(&ms->lock);
-	holds = ms->holds;
-	bio_list_init(&ms->holds);
-	spin_unlock_irq(&ms->lock);
-
-	while ((bio = bio_list_pop(&holds)))
-		hold_bio(ms, bio);
 }
 
 static void mirror_postsuspend(struct dm_target *ti)
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index ee8eb283650d..54853773510c 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -83,10 +83,10 @@ struct dm_snapshot {
 	/* Whether or not owning mapped_device is suspended */
 	int suspended;
 
-	mempool_t *pending_pool;
-
 	atomic_t pending_exceptions_count;
 
+	mempool_t *pending_pool;
+
 	struct dm_exception_table pending;
 	struct dm_exception_table complete;
 
@@ -96,6 +96,11 @@ struct dm_snapshot {
 	 */
 	spinlock_t pe_lock;
 
+	/* Chunks with outstanding reads */
+	spinlock_t tracked_chunk_lock;
+	mempool_t *tracked_chunk_pool;
+	struct hlist_head tracked_chunk_hash[DM_TRACKED_CHUNK_HASH_SIZE];
+
 	/* The on disk metadata handler */
 	struct dm_exception_store *store;
 
@@ -105,10 +110,12 @@ struct dm_snapshot {
 	struct bio_list queued_bios;
 	struct work_struct queued_bios_work;
 
-	/* Chunks with outstanding reads */
-	mempool_t *tracked_chunk_pool;
-	spinlock_t tracked_chunk_lock;
-	struct hlist_head tracked_chunk_hash[DM_TRACKED_CHUNK_HASH_SIZE];
+	/* Wait for events based on state_bits */
+	unsigned long state_bits;
+
+	/* Range of chunks currently being merged. */
+	chunk_t first_merging_chunk;
+	int num_merging_chunks;
 
 	/*
 	 * The merge operation failed if this flag is set.
@@ -125,13 +132,6 @@ struct dm_snapshot {
 	 */
 	int merge_failed;
 
-	/* Wait for events based on state_bits */
-	unsigned long state_bits;
-
-	/* Range of chunks currently being merged. */
-	chunk_t first_merging_chunk;
-	int num_merging_chunks;
-
 	/*
 	 * Incoming bios that overlap with chunks being merged must wait
 	 * for them to be committed.
@@ -1081,8 +1081,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	argv++;
 	argc--;
 
-	r = dm_get_device(ti, cow_path, 0, 0,
-			  FMODE_READ | FMODE_WRITE, &s->cow);
+	r = dm_get_device(ti, cow_path, FMODE_READ | FMODE_WRITE, &s->cow);
 	if (r) {
 		ti->error = "Cannot get COW device";
 		goto bad_cow;
@@ -1098,7 +1097,7 @@ static int snapshot_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 	argv += args_used;
 	argc -= args_used;
 
-	r = dm_get_device(ti, origin_path, 0, ti->len, origin_mode, &s->origin);
+	r = dm_get_device(ti, origin_path, origin_mode, &s->origin);
 	if (r) {
 		ti->error = "Cannot get origin device";
 		goto bad_origin;
@@ -2100,8 +2099,7 @@ static int origin_ctr(struct dm_target *ti, unsigned int argc, char **argv)
 		return -EINVAL;
 	}
 
-	r = dm_get_device(ti, argv[0], 0, ti->len,
-			  dm_table_get_mode(ti->table), &dev);
+	r = dm_get_device(ti, argv[0], dm_table_get_mode(ti->table), &dev);
 	if (r) {
 		ti->error = "Cannot get target device";
 		return r;
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index bd58703ee8f6..e610725db766 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -80,8 +80,7 @@ static int get_stripe(struct dm_target *ti, struct stripe_c *sc,
 	if (sscanf(argv[1], "%llu", &start) != 1)
 		return -EINVAL;
 
-	if (dm_get_device(ti, argv[0], start, sc->stripe_width,
-			  dm_table_get_mode(ti->table),
+	if (dm_get_device(ti, argv[0], dm_table_get_mode(ti->table),
 			  &sc->stripe[stripe].dev))
 		return -ENXIO;
 
diff --git a/drivers/md/dm-sysfs.c b/drivers/md/dm-sysfs.c
index f91b40942e07..84d2b91e4efb 100644
--- a/drivers/md/dm-sysfs.c
+++ b/drivers/md/dm-sysfs.c
@@ -75,7 +75,7 @@ static struct attribute *dm_attrs[] = {
 	NULL,
 };
 
-static struct sysfs_ops dm_sysfs_ops = {
+static const struct sysfs_ops dm_sysfs_ops = {
 	.show	= dm_attr_show,
 };
 
diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 4b22feb01a0c..9924ea23032d 100644
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -429,8 +429,7 @@ static int upgrade_mode(struct dm_dev_internal *dd, fmode_t new_mode,
  * it's already present.
  */
 static int __table_get_device(struct dm_table *t, struct dm_target *ti,
-			      const char *path, sector_t start, sector_t len,
-			      fmode_t mode, struct dm_dev **result)
+		      const char *path, fmode_t mode, struct dm_dev **result)
 {
 	int r;
 	dev_t uninitialized_var(dev);
@@ -527,11 +526,10 @@ int dm_set_device_limits(struct dm_target *ti, struct dm_dev *dev,
 }
 EXPORT_SYMBOL_GPL(dm_set_device_limits);
 
-int dm_get_device(struct dm_target *ti, const char *path, sector_t start,
-		  sector_t len, fmode_t mode, struct dm_dev **result)
+int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode,
+		  struct dm_dev **result)
 {
-	return __table_get_device(ti->table, ti, path,
-				  start, len, mode, result);
+	return __table_get_device(ti->table, ti, path, mode, result);
 }
 
 
@@ -1231,8 +1229,6 @@ void dm_table_unplug_all(struct dm_table *t)
 
 struct mapped_device *dm_table_get_md(struct dm_table *t)
 {
-	dm_get(t->md);
-
 	return t->md;
 }
 
diff --git a/drivers/md/dm-uevent.c b/drivers/md/dm-uevent.c
index c7c555a8c7b2..6b1e3b61b25e 100644
--- a/drivers/md/dm-uevent.c
+++ b/drivers/md/dm-uevent.c
@@ -187,7 +187,7 @@ void dm_path_uevent(enum dm_uevent_type event_type, struct dm_target *ti,
 
 	if (event_type >= ARRAY_SIZE(_dm_uevent_type_names)) {
 		DMERR("%s: Invalid event_type %d", __func__, event_type);
-		goto out;
+		return;
 	}
 
 	event = dm_build_path_uevent(md, ti,
@@ -195,12 +195,9 @@ void dm_path_uevent(enum dm_uevent_type event_type, struct dm_target *ti,
 				     _dm_uevent_type_names[event_type].name,
 				     path, nr_valid_paths);
 	if (IS_ERR(event))
-		goto out;
+		return;
 
 	dm_uevent_add(md, &event->elist);
-
-out:
-	dm_put(md);
 }
 EXPORT_SYMBOL_GPL(dm_path_uevent);
 
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index aa4e2aa86d49..d21e1284604f 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -635,8 +635,10 @@ static void dec_pending(struct dm_io *io, int error)
 			if (!md->barrier_error && io_error != -EOPNOTSUPP)
 				md->barrier_error = io_error;
 			end_io_acct(io);
+			free_io(md, io);
 		} else {
 			end_io_acct(io);
+			free_io(md, io);
 
 			if (io_error != DM_ENDIO_REQUEUE) {
 				trace_block_bio_complete(md->queue, bio);
@@ -644,8 +646,6 @@ static void dec_pending(struct dm_io *io, int error)
 				bio_endio(bio, io_error);
 			}
 		}
-
-		free_io(md, io);
 	}
 }
 
@@ -2618,18 +2618,19 @@ out:
 /*-----------------------------------------------------------------
  * Event notification.
  *---------------------------------------------------------------*/
-void dm_kobject_uevent(struct mapped_device *md, enum kobject_action action,
+int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action,
 		       unsigned cookie)
 {
 	char udev_cookie[DM_COOKIE_LENGTH];
 	char *envp[] = { udev_cookie, NULL };
 
 	if (!cookie)
-		kobject_uevent(&disk_to_dev(md->disk)->kobj, action);
+		return kobject_uevent(&disk_to_dev(md->disk)->kobj, action);
 	else {
 		snprintf(udev_cookie, DM_COOKIE_LENGTH, "%s=%u",
 			 DM_COOKIE_ENV_VAR_NAME, cookie);
-		kobject_uevent_env(&disk_to_dev(md->disk)->kobj, action, envp);
+		return kobject_uevent_env(&disk_to_dev(md->disk)->kobj,
+					  action, envp);
 	}
 }
 
@@ -2699,23 +2700,13 @@ int dm_suspended_md(struct mapped_device *md)
 
 int dm_suspended(struct dm_target *ti)
 {
-	struct mapped_device *md = dm_table_get_md(ti->table);
-	int r = dm_suspended_md(md);
-
-	dm_put(md);
-
-	return r;
+	return dm_suspended_md(dm_table_get_md(ti->table));
 }
 EXPORT_SYMBOL_GPL(dm_suspended);
 
 int dm_noflush_suspending(struct dm_target *ti)
 {
-	struct mapped_device *md = dm_table_get_md(ti->table);
-	int r = __noflush_suspending(md);
-
-	dm_put(md);
-
-	return r;
+	return __noflush_suspending(dm_table_get_md(ti->table));
 }
 EXPORT_SYMBOL_GPL(dm_noflush_suspending);
 
diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index 8dadaa5bc396..bad1724d4869 100644
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -125,8 +125,8 @@ void dm_stripe_exit(void);
 int dm_open_count(struct mapped_device *md);
 int dm_lock_for_deletion(struct mapped_device *md);
 
-void dm_kobject_uevent(struct mapped_device *md, enum kobject_action action,
-		       unsigned cookie);
+int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action,
+		      unsigned cookie);
 
 int dm_io_init(void);
 void dm_io_exit(void);
diff --git a/drivers/md/linear.c b/drivers/md/linear.c
index af2d39d603c7..bb2a23159b21 100644
--- a/drivers/md/linear.c
+++ b/drivers/md/linear.c
@@ -172,12 +172,14 @@ static linear_conf_t *linear_conf(mddev_t *mddev, int raid_disks)
 		disk_stack_limits(mddev->gendisk, rdev->bdev,
 				  rdev->data_offset << 9);
 		/* as we don't honour merge_bvec_fn, we must never risk
-		 * violating it, so limit ->max_sector to one PAGE, as
-		 * a one page request is never in violation.
+		 * violating it, so limit max_segments to 1 lying within
+		 * a single page.
 		 */
-		if (rdev->bdev->bd_disk->queue->merge_bvec_fn &&
-		    queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9))
-			blk_queue_max_hw_sectors(mddev->queue, PAGE_SIZE>>9);
+		if (rdev->bdev->bd_disk->queue->merge_bvec_fn) {
+			blk_queue_max_segments(mddev->queue, 1);
+			blk_queue_segment_boundary(mddev->queue,
+						   PAGE_CACHE_SIZE - 1);
+		}
 
 		conf->array_sectors += rdev->sectors;
 		cnt++;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index a20a71e5efd3..fdc1890b6ac5 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2642,7 +2642,7 @@ static void rdev_free(struct kobject *ko)
 	mdk_rdev_t *rdev = container_of(ko, mdk_rdev_t, kobj);
 	kfree(rdev);
 }
-static struct sysfs_ops rdev_sysfs_ops = {
+static const struct sysfs_ops rdev_sysfs_ops = {
 	.show		= rdev_attr_show,
 	.store		= rdev_attr_store,
 };
@@ -4059,7 +4059,7 @@ static void md_free(struct kobject *ko)
 	kfree(mddev);
 }
 
-static struct sysfs_ops md_sysfs_ops = {
+static const struct sysfs_ops md_sysfs_ops = {
 	.show	= md_attr_show,
 	.store	= md_attr_store,
 };
diff --git a/drivers/md/multipath.c b/drivers/md/multipath.c
index 4b323f45ad74..5558ebc705c8 100644
--- a/drivers/md/multipath.c
+++ b/drivers/md/multipath.c
@@ -301,14 +301,16 @@ static int multipath_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
 					  rdev->data_offset << 9);
 
 		/* as we don't honour merge_bvec_fn, we must never risk
-		 * violating it, so limit ->max_sector to one PAGE, as
-		 * a one page request is never in violation.
+		 * violating it, so limit ->max_segments to one, lying
+		 * within a single page.
 		 * (Note: it is very unlikely that a device with
 		 * merge_bvec_fn will be involved in multipath.)
 		 */
-			if (q->merge_bvec_fn &&
-			    queue_max_sectors(q) > (PAGE_SIZE>>9))
-				blk_queue_max_hw_sectors(mddev->queue, PAGE_SIZE>>9);
+			if (q->merge_bvec_fn) {
+				blk_queue_max_segments(mddev->queue, 1);
+				blk_queue_segment_boundary(mddev->queue,
+							   PAGE_CACHE_SIZE - 1);
+			}
 
 			conf->working_disks++;
 			mddev->degraded--;
@@ -476,9 +478,11 @@ static int multipath_run (mddev_t *mddev)
 		/* as we don't honour merge_bvec_fn, we must never risk
 		 * violating it, not that we ever expect a device with
 		 * a merge_bvec_fn to be involved in multipath */
-		if (rdev->bdev->bd_disk->queue->merge_bvec_fn &&
-		    queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9))
-			blk_queue_max_hw_sectors(mddev->queue, PAGE_SIZE>>9);
+		if (rdev->bdev->bd_disk->queue->merge_bvec_fn) {
+			blk_queue_max_segments(mddev->queue, 1);
+			blk_queue_segment_boundary(mddev->queue,
+						   PAGE_CACHE_SIZE - 1);
+		}
 
 		if (!test_bit(Faulty, &rdev->flags))
 			conf->working_disks++;
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index a1f7147b757f..377cf2a3c333 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -176,14 +176,15 @@ static int create_strip_zones(mddev_t *mddev)
 		disk_stack_limits(mddev->gendisk, rdev1->bdev,
 				  rdev1->data_offset << 9);
 		/* as we don't honour merge_bvec_fn, we must never risk
-		 * violating it, so limit ->max_sector to one PAGE, as
-		 * a one page request is never in violation.
+		 * violating it, so limit ->max_segments to 1, lying within
+		 * a single page.
 		 */
 
-		if (rdev1->bdev->bd_disk->queue->merge_bvec_fn &&
-		    queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9))
-			blk_queue_max_hw_sectors(mddev->queue, PAGE_SIZE>>9);
-
+		if (rdev1->bdev->bd_disk->queue->merge_bvec_fn) {
+			blk_queue_max_segments(mddev->queue, 1);
+			blk_queue_segment_boundary(mddev->queue,
+						   PAGE_CACHE_SIZE - 1);
+		}
 		if (!smallest || (rdev1->sectors < smallest->sectors))
 			smallest = rdev1;
 		cnt++;
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 5a06122abd3b..f741f77eeb2b 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1152,13 +1152,17 @@ static int raid1_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
 
 			disk_stack_limits(mddev->gendisk, rdev->bdev,
 					  rdev->data_offset << 9);
-			/* as we don't honour merge_bvec_fn, we must never risk
-			 * violating it, so limit ->max_sector to one PAGE, as
-			 * a one page request is never in violation.
+			/* as we don't honour merge_bvec_fn, we must
+			 * never risk violating it, so limit
+			 * ->max_segments to one lying with a single
+			 * page, as a one page request is never in
+			 * violation.
 			 */
-			if (rdev->bdev->bd_disk->queue->merge_bvec_fn &&
-			    queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9))
-				blk_queue_max_hw_sectors(mddev->queue, PAGE_SIZE>>9);
+			if (rdev->bdev->bd_disk->queue->merge_bvec_fn) {
+				blk_queue_max_segments(mddev->queue, 1);
+				blk_queue_segment_boundary(mddev->queue,
+							   PAGE_CACHE_SIZE - 1);
+			}
 
 			p->head_position = 0;
 			rdev->raid_disk = mirror;
@@ -2098,12 +2102,14 @@ static int run(mddev_t *mddev)
 		disk_stack_limits(mddev->gendisk, rdev->bdev,
 				  rdev->data_offset << 9);
 		/* as we don't honour merge_bvec_fn, we must never risk
-		 * violating it, so limit ->max_sector to one PAGE, as
-		 * a one page request is never in violation.
+		 * violating it, so limit ->max_segments to 1 lying within
+		 * a single page, as a one page request is never in violation.
 		 */
-		if (rdev->bdev->bd_disk->queue->merge_bvec_fn &&
-		    queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9))
-			blk_queue_max_hw_sectors(mddev->queue, PAGE_SIZE>>9);
+		if (rdev->bdev->bd_disk->queue->merge_bvec_fn) {
+			blk_queue_max_segments(mddev->queue, 1);
+			blk_queue_segment_boundary(mddev->queue,
+						   PAGE_CACHE_SIZE - 1);
+		}
 	}
 
 	mddev->degraded = 0;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 7584f9ab9bcf..b4ba41ecbd20 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1155,13 +1155,17 @@ static int raid10_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
 
 			disk_stack_limits(mddev->gendisk, rdev->bdev,
 					  rdev->data_offset << 9);
-			/* as we don't honour merge_bvec_fn, we must never risk
-			 * violating it, so limit ->max_sector to one PAGE, as
-			 * a one page request is never in violation.
+			/* as we don't honour merge_bvec_fn, we must
+			 * never risk violating it, so limit
+			 * ->max_segments to one lying with a single
+			 * page, as a one page request is never in
+			 * violation.
 			 */
-			if (rdev->bdev->bd_disk->queue->merge_bvec_fn &&
-			    queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9))
-				blk_queue_max_hw_sectors(mddev->queue, PAGE_SIZE>>9);
+			if (rdev->bdev->bd_disk->queue->merge_bvec_fn) {
+				blk_queue_max_segments(mddev->queue, 1);
+				blk_queue_segment_boundary(mddev->queue,
+							   PAGE_CACHE_SIZE - 1);
+			}
 
 			p->head_position = 0;
 			rdev->raid_disk = mirror;
@@ -2255,12 +2259,14 @@ static int run(mddev_t *mddev)
 		disk_stack_limits(mddev->gendisk, rdev->bdev,
 				  rdev->data_offset << 9);
 		/* as we don't honour merge_bvec_fn, we must never risk
-		 * violating it, so limit ->max_sector to one PAGE, as
-		 * a one page request is never in violation.
+		 * violating it, so limit max_segments to 1 lying
+		 * within a single page.
 		 */
-		if (rdev->bdev->bd_disk->queue->merge_bvec_fn &&
-		    queue_max_sectors(mddev->queue) > (PAGE_SIZE>>9))
-			blk_queue_max_hw_sectors(mddev->queue, PAGE_SIZE>>9);
+		if (rdev->bdev->bd_disk->queue->merge_bvec_fn) {
+			blk_queue_max_segments(mddev->queue, 1);
+			blk_queue_segment_boundary(mddev->queue,
+						   PAGE_CACHE_SIZE - 1);
+		}
 
 		disk->head_position = 0;
 	}
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 509c8f3dd9a5..70ffbd071b2e 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -4680,7 +4680,7 @@ static int raid5_alloc_percpu(raid5_conf_t *conf)
 {
 	unsigned long cpu;
 	struct page *spare_page;
-	struct raid5_percpu *allcpus;
+	struct raid5_percpu __percpu *allcpus;
 	void *scribble;
 	int err;
 
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index dd708359b451..0f86f5e36724 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -405,7 +405,7 @@ struct raid5_private_data {
 					      * lists and performing address
 					      * conversions
 					      */
-	} *percpu;
+	} __percpu *percpu;
 	size_t			scribble_len; /* size of scribble region must be
 					       * associated with conf to handle
 					       * cpu hotplug while reshaping
diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c
index 0903f539bf68..0a3b4ed38e48 100644
--- a/drivers/media/IR/ir-keytable.c
+++ b/drivers/media/IR/ir-keytable.c
@@ -123,7 +123,7 @@ static int ir_copy_table(struct ir_scancode_table *destin,
  * If the key is not found, returns -EINVAL, otherwise, returns 0.
  */
 static int ir_getkeycode(struct input_dev *dev,
-			 int scancode, int *keycode)
+			 unsigned int scancode, unsigned int *keycode)
 {
 	int elem;
 	struct ir_input_dev *ir_dev = input_get_drvdata(dev);
@@ -291,7 +291,7 @@ static int ir_insert_key(struct ir_scancode_table *rc_tab,
  * If the key is not found, returns -EINVAL, otherwise, returns 0.
  */
 static int ir_setkeycode(struct input_dev *dev,
-			 int scancode, int keycode)
+			 unsigned int scancode, unsigned int keycode)
 {
 	int rc = 0;
 	struct ir_input_dev *ir_dev = input_get_drvdata(dev);
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h
index 52e4ce4304ee..80dda308ff74 100644
--- a/drivers/media/dvb/dvb-core/dvb_frontend.h
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.h
@@ -214,14 +214,14 @@ struct dvb_tuner_ops {
 	int (*get_status)(struct dvb_frontend *fe, u32 *status);
 	int (*get_rf_strength)(struct dvb_frontend *fe, u16 *strength);
 
-	/** These are provided seperately from set_params in order to facilitate silicon
-	 * tuners which require sophisticated tuning loops, controlling each parameter seperately. */
+	/** These are provided separately from set_params in order to facilitate silicon
+	 * tuners which require sophisticated tuning loops, controlling each parameter separately. */
 	int (*set_frequency)(struct dvb_frontend *fe, u32 frequency);
 	int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth);
 
 	/*
-	 * These are provided seperately from set_params in order to facilitate silicon
-	 * tuners which require sophisticated tuning loops, controlling each parameter seperately.
+	 * These are provided separately from set_params in order to facilitate silicon
+	 * tuners which require sophisticated tuning loops, controlling each parameter separately.
 	 */
 	int (*set_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state);
 	int (*get_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state);
diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
index a03ef7efec9a..852fe89539cf 100644
--- a/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
+++ b/drivers/media/dvb/dvb-usb/dvb-usb-remote.c
@@ -9,7 +9,7 @@
 #include <linux/usb/input.h>
 
 static int dvb_usb_getkeycode(struct input_dev *dev,
-				    int scancode, int *keycode)
+				unsigned int scancode, unsigned int *keycode)
 {
 	struct dvb_usb_device *d = input_get_drvdata(dev);
 
@@ -39,7 +39,7 @@ static int dvb_usb_getkeycode(struct input_dev *dev,
 }
 
 static int dvb_usb_setkeycode(struct input_dev *dev,
-				    int scancode, int keycode)
+				unsigned int scancode, unsigned int keycode)
 {
 	struct dvb_usb_device *d = input_get_drvdata(dev);
 
diff --git a/drivers/media/dvb/firewire/firedtv-fw.c b/drivers/media/dvb/firewire/firedtv-fw.c
index 7a3de16fba06..75afe4f81e33 100644
--- a/drivers/media/dvb/firewire/firedtv-fw.c
+++ b/drivers/media/dvb/firewire/firedtv-fw.c
@@ -239,47 +239,18 @@ static const struct fw_address_region fcp_region = {
 };
 
 /* Adjust the template string if models with longer names appear. */
-#define MAX_MODEL_NAME_LEN ((int)DIV_ROUND_UP(sizeof("FireDTV ????"), 4))
-
-static size_t model_name(u32 *directory, __be32 *buffer)
-{
-	struct fw_csr_iterator ci;
-	int i, length, key, value, last_key = 0;
-	u32 *block = NULL;
-
-	fw_csr_iterator_init(&ci, directory);
-	while (fw_csr_iterator_next(&ci, &key, &value)) {
-		if (last_key == CSR_MODEL &&
-		    key == (CSR_DESCRIPTOR | CSR_LEAF))
-			block = ci.p - 1 + value;
-		last_key = key;
-	}
-
-	if (block == NULL)
-		return 0;
-
-	length = min((int)(block[0] >> 16) - 2, MAX_MODEL_NAME_LEN);
-	if (length <= 0)
-		return 0;
-
-	/* fast-forward to text string */
-	block += 3;
-
-	for (i = 0; i < length; i++)
-		buffer[i] = cpu_to_be32(block[i]);
-
-	return length * 4;
-}
+#define MAX_MODEL_NAME_LEN sizeof("FireDTV ????")
 
 static int node_probe(struct device *dev)
 {
 	struct firedtv *fdtv;
-	__be32 name[MAX_MODEL_NAME_LEN];
+	char name[MAX_MODEL_NAME_LEN];
 	int name_len, err;
 
-	name_len = model_name(fw_unit(dev)->directory, name);
+	name_len = fw_csr_string(fw_unit(dev)->directory, CSR_MODEL,
+				 name, sizeof(name));
 
-	fdtv = fdtv_alloc(dev, &backend, (char *)name, name_len);
+	fdtv = fdtv_alloc(dev, &backend, name, name_len >= 0 ? name_len : 0);
 	if (!fdtv)
 		return -ENOMEM;
 
diff --git a/drivers/media/video/bt8xx/bttv-cards.c b/drivers/media/video/bt8xx/bttv-cards.c
index 12279f6d9bc4..716870ae85d5 100644
--- a/drivers/media/video/bt8xx/bttv-cards.c
+++ b/drivers/media/video/bt8xx/bttv-cards.c
@@ -4404,7 +4404,7 @@ static void rv605_muxsel(struct bttv *btv, unsigned int input)
 /* Tibet Systems 'Progress DVR' CS16 muxsel helper [Chris Fanning]
  *
  * The CS16 (available on eBay cheap) is a PCI board with four Fusion
- * 878A chips, a PCI bridge, an Atmel microcontroller, four sync seperator
+ * 878A chips, a PCI bridge, an Atmel microcontroller, four sync separator
  * chips, ten eight input analog multiplexors, a not chip and a few
  * other components.
  *
@@ -4426,7 +4426,7 @@ static void rv605_muxsel(struct bttv *btv, unsigned int input)
  *
  * There is an ATMEL microcontroller with an 8031 core on board.  I have not
  * determined what function (if any) it provides.  With the microcontroller
- * and sync seperator chips a guess is that it might have to do with video
+ * and sync separator chips a guess is that it might have to do with video
  * switching and maybe some digital I/O.
  */
 static void tibetCS16_muxsel(struct bttv *btv, unsigned int input)
diff --git a/drivers/media/video/dabusb.c b/drivers/media/video/dabusb.c
index 9b413a35e048..0f505086774c 100644
--- a/drivers/media/video/dabusb.c
+++ b/drivers/media/video/dabusb.c
@@ -616,10 +616,12 @@ static int dabusb_open (struct inode *inode, struct file *file)
 {
 	int devnum = iminor(inode);
 	pdabusb_t s;
+	int r;
 
 	if (devnum < DABUSB_MINOR || devnum >= (DABUSB_MINOR + NRDABUSB))
 		return -EIO;
 
+	lock_kernel();
 	s = &dabusb[devnum - DABUSB_MINOR];
 
 	dbg("dabusb_open");
@@ -634,6 +636,7 @@ static int dabusb_open (struct inode *inode, struct file *file)
 		msleep_interruptible(500);
 
 		if (signal_pending (current)) {
+			unlock_kernel();
 			return -EAGAIN;
 		}
 		mutex_lock(&s->mutex);
@@ -641,6 +644,7 @@ static int dabusb_open (struct inode *inode, struct file *file)
 	if (usb_set_interface (s->usbdev, _DABUSB_IF, 1) < 0) {
 		mutex_unlock(&s->mutex);
 		dev_err(&s->usbdev->dev, "set_interface failed\n");
+		unlock_kernel();
 		return -EINVAL;
 	}
 	s->opened = 1;
@@ -649,7 +653,9 @@ static int dabusb_open (struct inode *inode, struct file *file)
 	file->f_pos = 0;
 	file->private_data = s;
 
-	return nonseekable_open(inode, file);
+	r = nonseekable_open(inode, file);
+	unlock_kernel();
+	return r;
 }
 
 static int dabusb_release (struct inode *inode, struct file *file)
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c
index bc4ced6c013b..f36e11a0458d 100644
--- a/drivers/media/video/gspca/ov519.c
+++ b/drivers/media/video/gspca/ov519.c
@@ -512,7 +512,7 @@ static const struct v4l2_pix_format ovfx2_ov3610_mode[] = {
 /*
  * The FX2 chip does not give us a zero length read at end of frame.
  * It does, however, give a short read at the end of a frame, if
- * neccessary, rather than run two frames together.
+ * necessary, rather than run two frames together.
  *
  * By choosing the right bulk transfer size, we are guaranteed to always
  * get a short read for the last read of each frame.  Frame sizes are
diff --git a/drivers/media/video/omap24xxcam.c b/drivers/media/video/omap24xxcam.c
index 7400eacb4d64..142c327afb32 100644
--- a/drivers/media/video/omap24xxcam.c
+++ b/drivers/media/video/omap24xxcam.c
@@ -1735,7 +1735,7 @@ static struct v4l2_int_device omap24xxcam = {
  *
  */
 
-static int __init omap24xxcam_probe(struct platform_device *pdev)
+static int __devinit omap24xxcam_probe(struct platform_device *pdev)
 {
 	struct omap24xxcam_device *cam;
 	struct resource *mem;
diff --git a/drivers/media/video/pwc/philips.txt b/drivers/media/video/pwc/philips.txt
index f9f3584281d8..d38dd791511e 100644
--- a/drivers/media/video/pwc/philips.txt
+++ b/drivers/media/video/pwc/philips.txt
@@ -33,7 +33,7 @@ a lot of extra information, a FAQ, and the binary plugin 'PWCX'. This plugin
 contains decompression routines that allow you to use higher image sizes and
 framerates; in addition the webcam uses less bandwidth on the USB bus (handy
 if you want to run more than 1 camera simultaneously). These routines fall
-under a NDA, and may therefor not be distributed as source; however, its use
+under a NDA, and may therefore not be distributed as source; however, its use
 is completely optional.
 
 You can build this code either into your kernel, or as a module. I recommend
diff --git a/drivers/media/video/sn9c102/sn9c102_sensor.h b/drivers/media/video/sn9c102/sn9c102_sensor.h
index 4af7382da5c5..494957b10bac 100644
--- a/drivers/media/video/sn9c102/sn9c102_sensor.h
+++ b/drivers/media/video/sn9c102/sn9c102_sensor.h
@@ -120,7 +120,7 @@ extern int sn9c102_write_regs(struct sn9c102_device*, const u8 valreg[][2],
 /*
    Write multiple registers with constant values. For example:
    sn9c102_write_const_regs(cam, {0x00, 0x14}, {0x60, 0x17}, {0x0f, 0x18});
-   Register adresses must be < 256.
+   Register addresses must be < 256.
 */
 #define sn9c102_write_const_regs(sn9c102_device, data...)                     \
 	({ static const u8 _valreg[][2] = {data};                             \
diff --git a/drivers/media/video/tea6420.c b/drivers/media/video/tea6420.c
index 0446524d3543..6bf6bc7dbc7f 100644
--- a/drivers/media/video/tea6420.c
+++ b/drivers/media/video/tea6420.c
@@ -6,7 +6,7 @@
 
     The tea6420 is a bus controlled audio-matrix with 5 stereo inputs,
     4 stereo outputs and gain control for each output.
-    It is cascadable, i.e. it can be found at the adresses 0x98
+    It is cascadable, i.e. it can be found at the addresses 0x98
     and 0x9a on the i2c-bus.
 
     For detailed informations download the specifications directly
diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c
index e5ab62141503..ef5ce2676f05 100644
--- a/drivers/message/i2o/iop.c
+++ b/drivers/message/i2o/iop.c
@@ -539,7 +539,7 @@ static int i2o_iop_reset(struct i2o_controller *c)
 		 * which is indeterminate. We need to wait until the IOP has
 		 * rebooted before we can let the system talk to it. We read
 		 * the inbound Free_List until a message is available. If we
-		 * can't read one in the given ammount of time, we assume the
+		 * can't read one in the given amount of time, we assume the
 		 * IOP could not reboot properly.
 		 */
 		osm_debug("%s: Reset in progress, waiting for reboot...\n",
diff --git a/drivers/mfd/88pm8607.c b/drivers/mfd/88pm8607.c
deleted file mode 100644
index 7e3f65907993..000000000000
--- a/drivers/mfd/88pm8607.c
+++ /dev/null
@@ -1,302 +0,0 @@
-/*
- * Base driver for Marvell 88PM8607
- *
- * Copyright (C) 2009 Marvell International Ltd.
- * 	Haojian Zhuang <haojian.zhuang@marvell.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/i2c.h>
-#include <linux/mfd/core.h>
-#include <linux/mfd/88pm8607.h>
-
-
-#define PM8607_REG_RESOURCE(_start, _end)		\
-{							\
-	.start	= PM8607_##_start,			\
-	.end	= PM8607_##_end,			\
-	.flags	= IORESOURCE_IO,			\
-}
-
-static struct resource pm8607_regulator_resources[] = {
-	PM8607_REG_RESOURCE(BUCK1, BUCK1),
-	PM8607_REG_RESOURCE(BUCK2, BUCK2),
-	PM8607_REG_RESOURCE(BUCK3, BUCK3),
-	PM8607_REG_RESOURCE(LDO1,  LDO1),
-	PM8607_REG_RESOURCE(LDO2,  LDO2),
-	PM8607_REG_RESOURCE(LDO3,  LDO3),
-	PM8607_REG_RESOURCE(LDO4,  LDO4),
-	PM8607_REG_RESOURCE(LDO5,  LDO5),
-	PM8607_REG_RESOURCE(LDO6,  LDO6),
-	PM8607_REG_RESOURCE(LDO7,  LDO7),
-	PM8607_REG_RESOURCE(LDO8,  LDO8),
-	PM8607_REG_RESOURCE(LDO9,  LDO9),
-	PM8607_REG_RESOURCE(LDO10, LDO10),
-	PM8607_REG_RESOURCE(LDO12, LDO12),
-	PM8607_REG_RESOURCE(LDO14, LDO14),
-};
-
-#define PM8607_REG_DEVS(_name, _id)					\
-{									\
-	.name		= "88pm8607-" #_name,				\
-	.num_resources	= 1,						\
-	.resources	= &pm8607_regulator_resources[PM8607_ID_##_id],	\
-}
-
-static struct mfd_cell pm8607_devs[] = {
-	PM8607_REG_DEVS(buck1, BUCK1),
-	PM8607_REG_DEVS(buck2, BUCK2),
-	PM8607_REG_DEVS(buck3, BUCK3),
-	PM8607_REG_DEVS(ldo1,  LDO1),
-	PM8607_REG_DEVS(ldo2,  LDO2),
-	PM8607_REG_DEVS(ldo3,  LDO3),
-	PM8607_REG_DEVS(ldo4,  LDO4),
-	PM8607_REG_DEVS(ldo5,  LDO5),
-	PM8607_REG_DEVS(ldo6,  LDO6),
-	PM8607_REG_DEVS(ldo7,  LDO7),
-	PM8607_REG_DEVS(ldo8,  LDO8),
-	PM8607_REG_DEVS(ldo9,  LDO9),
-	PM8607_REG_DEVS(ldo10, LDO10),
-	PM8607_REG_DEVS(ldo12, LDO12),
-	PM8607_REG_DEVS(ldo14, LDO14),
-};
-
-static inline int pm8607_read_device(struct pm8607_chip *chip,
-				     int reg, int bytes, void *dest)
-{
-	struct i2c_client *i2c = chip->client;
-	unsigned char data;
-	int ret;
-
-	data = (unsigned char)reg;
-	ret = i2c_master_send(i2c, &data, 1);
-	if (ret < 0)
-		return ret;
-
-	ret = i2c_master_recv(i2c, dest, bytes);
-	if (ret < 0)
-		return ret;
-	return 0;
-}
-
-static inline int pm8607_write_device(struct pm8607_chip *chip,
-				      int reg, int bytes, void *src)
-{
-	struct i2c_client *i2c = chip->client;
-	unsigned char buf[bytes + 1];
-	int ret;
-
-	buf[0] = (unsigned char)reg;
-	memcpy(&buf[1], src, bytes);
-
-	ret = i2c_master_send(i2c, buf, bytes + 1);
-	if (ret < 0)
-		return ret;
-	return 0;
-}
-
-int pm8607_reg_read(struct pm8607_chip *chip, int reg)
-{
-	unsigned char data;
-	int ret;
-
-	mutex_lock(&chip->io_lock);
-	ret = chip->read(chip, reg, 1, &data);
-	mutex_unlock(&chip->io_lock);
-
-	if (ret < 0)
-		return ret;
-	else
-		return (int)data;
-}
-EXPORT_SYMBOL(pm8607_reg_read);
-
-int pm8607_reg_write(struct pm8607_chip *chip, int reg,
-		     unsigned char data)
-{
-	int ret;
-
-	mutex_lock(&chip->io_lock);
-	ret = chip->write(chip, reg, 1, &data);
-	mutex_unlock(&chip->io_lock);
-
-	return ret;
-}
-EXPORT_SYMBOL(pm8607_reg_write);
-
-int pm8607_bulk_read(struct pm8607_chip *chip, int reg,
-		     int count, unsigned char *buf)
-{
-	int ret;
-
-	mutex_lock(&chip->io_lock);
-	ret = chip->read(chip, reg, count, buf);
-	mutex_unlock(&chip->io_lock);
-
-	return ret;
-}
-EXPORT_SYMBOL(pm8607_bulk_read);
-
-int pm8607_bulk_write(struct pm8607_chip *chip, int reg,
-		      int count, unsigned char *buf)
-{
-	int ret;
-
-	mutex_lock(&chip->io_lock);
-	ret = chip->write(chip, reg, count, buf);
-	mutex_unlock(&chip->io_lock);
-
-	return ret;
-}
-EXPORT_SYMBOL(pm8607_bulk_write);
-
-int pm8607_set_bits(struct pm8607_chip *chip, int reg,
-		    unsigned char mask, unsigned char data)
-{
-	unsigned char value;
-	int ret;
-
-	mutex_lock(&chip->io_lock);
-	ret = chip->read(chip, reg, 1, &value);
-	if (ret < 0)
-		goto out;
-	value &= ~mask;
-	value |= data;
-	ret = chip->write(chip, reg, 1, &value);
-out:
-	mutex_unlock(&chip->io_lock);
-	return ret;
-}
-EXPORT_SYMBOL(pm8607_set_bits);
-
-
-static const struct i2c_device_id pm8607_id_table[] = {
-	{ "88PM8607", 0 },
-	{}
-};
-MODULE_DEVICE_TABLE(i2c, pm8607_id_table);
-
-
-static int __devinit pm8607_probe(struct i2c_client *client,
-				  const struct i2c_device_id *id)
-{
-	struct pm8607_platform_data *pdata = client->dev.platform_data;
-	struct pm8607_chip *chip;
-	int i, count;
-	int ret;
-
-	chip = kzalloc(sizeof(struct pm8607_chip), GFP_KERNEL);
-	if (chip == NULL)
-		return -ENOMEM;
-
-	chip->client = client;
-	chip->dev = &client->dev;
-	chip->read = pm8607_read_device;
-	chip->write = pm8607_write_device;
-	i2c_set_clientdata(client, chip);
-
-	mutex_init(&chip->io_lock);
-	dev_set_drvdata(chip->dev, chip);
-
-	ret = pm8607_reg_read(chip, PM8607_CHIP_ID);
-	if (ret < 0) {
-		dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret);
-		goto out;
-	}
-	if ((ret & CHIP_ID_MASK) == CHIP_ID)
-		dev_info(chip->dev, "Marvell 88PM8607 (ID: %02x) detected\n",
-			 ret);
-	else {
-		dev_err(chip->dev, "Failed to detect Marvell 88PM8607. "
-			"Chip ID: %02x\n", ret);
-		goto out;
-	}
-	chip->chip_id = ret;
-
-	ret = pm8607_reg_read(chip, PM8607_BUCK3);
-	if (ret < 0) {
-		dev_err(chip->dev, "Failed to read BUCK3 register: %d\n", ret);
-		goto out;
-	}
-	if (ret & PM8607_BUCK3_DOUBLE)
-		chip->buck3_double = 1;
-
-	ret = pm8607_reg_read(chip, PM8607_MISC1);
-	if (ret < 0) {
-		dev_err(chip->dev, "Failed to read MISC1 register: %d\n", ret);
-		goto out;
-	}
-	if (pdata->i2c_port == PI2C_PORT)
-		ret |= PM8607_MISC1_PI2C;
-	else
-		ret &= ~PM8607_MISC1_PI2C;
-	ret = pm8607_reg_write(chip, PM8607_MISC1, ret);
-	if (ret < 0) {
-		dev_err(chip->dev, "Failed to write MISC1 register: %d\n", ret);
-		goto out;
-	}
-
-
-	count = ARRAY_SIZE(pm8607_devs);
-	for (i = 0; i < count; i++) {
-		ret = mfd_add_devices(chip->dev, i, &pm8607_devs[i],
-				      1, NULL, 0);
-		if (ret != 0) {
-			dev_err(chip->dev, "Failed to add subdevs\n");
-			goto out;
-		}
-	}
-
-	return 0;
-
-out:
-	i2c_set_clientdata(client, NULL);
-	kfree(chip);
-	return ret;
-}
-
-static int __devexit pm8607_remove(struct i2c_client *client)
-{
-	struct pm8607_chip *chip = i2c_get_clientdata(client);
-
-	mfd_remove_devices(chip->dev);
-	kfree(chip);
-	return 0;
-}
-
-static struct i2c_driver pm8607_driver = {
-	.driver	= {
-		.name	= "88PM8607",
-		.owner	= THIS_MODULE,
-	},
-	.probe		= pm8607_probe,
-	.remove		= __devexit_p(pm8607_remove),
-	.id_table	= pm8607_id_table,
-};
-
-static int __init pm8607_init(void)
-{
-	int ret;
-	ret = i2c_add_driver(&pm8607_driver);
-	if (ret != 0)
-		pr_err("Failed to register 88PM8607 I2C driver: %d\n", ret);
-	return ret;
-}
-subsys_initcall(pm8607_init);
-
-static void __exit pm8607_exit(void)
-{
-	i2c_del_driver(&pm8607_driver);
-}
-module_exit(pm8607_exit);
-
-MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM8607");
-MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
-MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
new file mode 100644
index 000000000000..6a14d2b1ccf0
--- /dev/null
+++ b/drivers/mfd/88pm860x-core.c
@@ -0,0 +1,740 @@
+/*
+ * Base driver for Marvell 88PM8607
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ * 	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/88pm860x.h>
+
+#define INT_STATUS_NUM			3
+
+char pm860x_backlight_name[][MFD_NAME_SIZE] = {
+	"backlight-0",
+	"backlight-1",
+	"backlight-2",
+};
+EXPORT_SYMBOL(pm860x_backlight_name);
+
+char pm860x_led_name[][MFD_NAME_SIZE] = {
+	"led0-red",
+	"led0-green",
+	"led0-blue",
+	"led1-red",
+	"led1-green",
+	"led1-blue",
+};
+EXPORT_SYMBOL(pm860x_led_name);
+
+#define PM8606_BACKLIGHT_RESOURCE(_i, _x)		\
+{							\
+	.name	= pm860x_backlight_name[_i],		\
+	.start	= PM8606_##_x,				\
+	.end	= PM8606_##_x,				\
+	.flags	= IORESOURCE_IO,			\
+}
+
+static struct resource backlight_resources[] = {
+	PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT1, WLED1A),
+	PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT2, WLED2A),
+	PM8606_BACKLIGHT_RESOURCE(PM8606_BACKLIGHT3, WLED3A),
+};
+
+#define PM8606_BACKLIGHT_DEVS(_i)			\
+{							\
+	.name		= "88pm860x-backlight",		\
+	.num_resources	= 1,				\
+	.resources	= &backlight_resources[_i],	\
+	.id		= _i,				\
+}
+
+static struct mfd_cell backlight_devs[] = {
+	PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT1),
+	PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT2),
+	PM8606_BACKLIGHT_DEVS(PM8606_BACKLIGHT3),
+};
+
+#define PM8606_LED_RESOURCE(_i, _x)			\
+{							\
+	.name	= pm860x_led_name[_i],			\
+	.start	= PM8606_##_x,				\
+	.end	= PM8606_##_x,				\
+	.flags	= IORESOURCE_IO,			\
+}
+
+static struct resource led_resources[] = {
+	PM8606_LED_RESOURCE(PM8606_LED1_RED, RGB2B),
+	PM8606_LED_RESOURCE(PM8606_LED1_GREEN, RGB2C),
+	PM8606_LED_RESOURCE(PM8606_LED1_BLUE, RGB2D),
+	PM8606_LED_RESOURCE(PM8606_LED2_RED, RGB1B),
+	PM8606_LED_RESOURCE(PM8606_LED2_GREEN, RGB1C),
+	PM8606_LED_RESOURCE(PM8606_LED2_BLUE, RGB1D),
+};
+
+#define PM8606_LED_DEVS(_i)				\
+{							\
+	.name		= "88pm860x-led",		\
+	.num_resources	= 1,				\
+	.resources	= &led_resources[_i],		\
+	.id		= _i,				\
+}
+
+static struct mfd_cell led_devs[] = {
+	PM8606_LED_DEVS(PM8606_LED1_RED),
+	PM8606_LED_DEVS(PM8606_LED1_GREEN),
+	PM8606_LED_DEVS(PM8606_LED1_BLUE),
+	PM8606_LED_DEVS(PM8606_LED2_RED),
+	PM8606_LED_DEVS(PM8606_LED2_GREEN),
+	PM8606_LED_DEVS(PM8606_LED2_BLUE),
+};
+
+static struct resource touch_resources[] = {
+	{
+		.start	= PM8607_IRQ_PEN,
+		.end	= PM8607_IRQ_PEN,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct mfd_cell touch_devs[] = {
+	{
+		.name		= "88pm860x-touch",
+		.num_resources	= 1,
+		.resources	= &touch_resources[0],
+	},
+};
+
+#define PM8607_REG_RESOURCE(_start, _end)		\
+{							\
+	.start	= PM8607_##_start,			\
+	.end	= PM8607_##_end,			\
+	.flags	= IORESOURCE_IO,			\
+}
+
+static struct resource power_supply_resources[] = {
+	{
+		.name		= "88pm860x-power",
+		.start		= PM8607_IRQ_CHG,
+		.end		= PM8607_IRQ_CHG,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct mfd_cell power_devs[] = {
+	{
+		.name		= "88pm860x-power",
+		.num_resources	= 1,
+		.resources	= &power_supply_resources[0],
+		.id		= -1,
+	},
+};
+
+static struct resource onkey_resources[] = {
+	{
+		.name		= "88pm860x-onkey",
+		.start		= PM8607_IRQ_ONKEY,
+		.end		= PM8607_IRQ_ONKEY,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct mfd_cell onkey_devs[] = {
+	{
+		.name		= "88pm860x-onkey",
+		.num_resources	= 1,
+		.resources	= &onkey_resources[0],
+		.id		= -1,
+	},
+};
+
+static struct resource regulator_resources[] = {
+	PM8607_REG_RESOURCE(BUCK1, BUCK1),
+	PM8607_REG_RESOURCE(BUCK2, BUCK2),
+	PM8607_REG_RESOURCE(BUCK3, BUCK3),
+	PM8607_REG_RESOURCE(LDO1,  LDO1),
+	PM8607_REG_RESOURCE(LDO2,  LDO2),
+	PM8607_REG_RESOURCE(LDO3,  LDO3),
+	PM8607_REG_RESOURCE(LDO4,  LDO4),
+	PM8607_REG_RESOURCE(LDO5,  LDO5),
+	PM8607_REG_RESOURCE(LDO6,  LDO6),
+	PM8607_REG_RESOURCE(LDO7,  LDO7),
+	PM8607_REG_RESOURCE(LDO8,  LDO8),
+	PM8607_REG_RESOURCE(LDO9,  LDO9),
+	PM8607_REG_RESOURCE(LDO10, LDO10),
+	PM8607_REG_RESOURCE(LDO12, LDO12),
+	PM8607_REG_RESOURCE(LDO14, LDO14),
+};
+
+#define PM8607_REG_DEVS(_name, _id)					\
+{									\
+	.name		= "88pm8607-" #_name,				\
+	.num_resources	= 1,						\
+	.resources	= &regulator_resources[PM8607_ID_##_id],	\
+	.id		= PM8607_ID_##_id,				\
+}
+
+static struct mfd_cell regulator_devs[] = {
+	PM8607_REG_DEVS(buck1, BUCK1),
+	PM8607_REG_DEVS(buck2, BUCK2),
+	PM8607_REG_DEVS(buck3, BUCK3),
+	PM8607_REG_DEVS(ldo1,  LDO1),
+	PM8607_REG_DEVS(ldo2,  LDO2),
+	PM8607_REG_DEVS(ldo3,  LDO3),
+	PM8607_REG_DEVS(ldo4,  LDO4),
+	PM8607_REG_DEVS(ldo5,  LDO5),
+	PM8607_REG_DEVS(ldo6,  LDO6),
+	PM8607_REG_DEVS(ldo7,  LDO7),
+	PM8607_REG_DEVS(ldo8,  LDO8),
+	PM8607_REG_DEVS(ldo9,  LDO9),
+	PM8607_REG_DEVS(ldo10, LDO10),
+	PM8607_REG_DEVS(ldo12, LDO12),
+	PM8607_REG_DEVS(ldo14, LDO14),
+};
+
+struct pm860x_irq_data {
+	int	reg;
+	int	mask_reg;
+	int	enable;		/* enable or not */
+	int	offs;		/* bit offset in mask register */
+};
+
+static struct pm860x_irq_data pm860x_irqs[] = {
+	[PM8607_IRQ_ONKEY] = {
+		.reg		= PM8607_INT_STATUS1,
+		.mask_reg	= PM8607_INT_MASK_1,
+		.offs		= 1 << 0,
+	},
+	[PM8607_IRQ_EXTON] = {
+		.reg		= PM8607_INT_STATUS1,
+		.mask_reg	= PM8607_INT_MASK_1,
+		.offs		= 1 << 1,
+	},
+	[PM8607_IRQ_CHG] = {
+		.reg		= PM8607_INT_STATUS1,
+		.mask_reg	= PM8607_INT_MASK_1,
+		.offs		= 1 << 2,
+	},
+	[PM8607_IRQ_BAT] = {
+		.reg		= PM8607_INT_STATUS1,
+		.mask_reg	= PM8607_INT_MASK_1,
+		.offs		= 1 << 3,
+	},
+	[PM8607_IRQ_RTC] = {
+		.reg		= PM8607_INT_STATUS1,
+		.mask_reg	= PM8607_INT_MASK_1,
+		.offs		= 1 << 4,
+	},
+	[PM8607_IRQ_CC] = {
+		.reg		= PM8607_INT_STATUS1,
+		.mask_reg	= PM8607_INT_MASK_1,
+		.offs		= 1 << 5,
+	},
+	[PM8607_IRQ_VBAT] = {
+		.reg		= PM8607_INT_STATUS2,
+		.mask_reg	= PM8607_INT_MASK_2,
+		.offs		= 1 << 0,
+	},
+	[PM8607_IRQ_VCHG] = {
+		.reg		= PM8607_INT_STATUS2,
+		.mask_reg	= PM8607_INT_MASK_2,
+		.offs		= 1 << 1,
+	},
+	[PM8607_IRQ_VSYS] = {
+		.reg		= PM8607_INT_STATUS2,
+		.mask_reg	= PM8607_INT_MASK_2,
+		.offs		= 1 << 2,
+	},
+	[PM8607_IRQ_TINT] = {
+		.reg		= PM8607_INT_STATUS2,
+		.mask_reg	= PM8607_INT_MASK_2,
+		.offs		= 1 << 3,
+	},
+	[PM8607_IRQ_GPADC0] = {
+		.reg		= PM8607_INT_STATUS2,
+		.mask_reg	= PM8607_INT_MASK_2,
+		.offs		= 1 << 4,
+	},
+	[PM8607_IRQ_GPADC1] = {
+		.reg		= PM8607_INT_STATUS2,
+		.mask_reg	= PM8607_INT_MASK_2,
+		.offs		= 1 << 5,
+	},
+	[PM8607_IRQ_GPADC2] = {
+		.reg		= PM8607_INT_STATUS2,
+		.mask_reg	= PM8607_INT_MASK_2,
+		.offs		= 1 << 6,
+	},
+	[PM8607_IRQ_GPADC3] = {
+		.reg		= PM8607_INT_STATUS2,
+		.mask_reg	= PM8607_INT_MASK_2,
+		.offs		= 1 << 7,
+	},
+	[PM8607_IRQ_AUDIO_SHORT] = {
+		.reg		= PM8607_INT_STATUS3,
+		.mask_reg	= PM8607_INT_MASK_3,
+		.offs		= 1 << 0,
+	},
+	[PM8607_IRQ_PEN] = {
+		.reg		= PM8607_INT_STATUS3,
+		.mask_reg	= PM8607_INT_MASK_3,
+		.offs		= 1 << 1,
+	},
+	[PM8607_IRQ_HEADSET] = {
+		.reg		= PM8607_INT_STATUS3,
+		.mask_reg	= PM8607_INT_MASK_3,
+		.offs		= 1 << 2,
+	},
+	[PM8607_IRQ_HOOK] = {
+		.reg		= PM8607_INT_STATUS3,
+		.mask_reg	= PM8607_INT_MASK_3,
+		.offs		= 1 << 3,
+	},
+	[PM8607_IRQ_MICIN] = {
+		.reg		= PM8607_INT_STATUS3,
+		.mask_reg	= PM8607_INT_MASK_3,
+		.offs		= 1 << 4,
+	},
+	[PM8607_IRQ_CHG_FAIL] = {
+		.reg		= PM8607_INT_STATUS3,
+		.mask_reg	= PM8607_INT_MASK_3,
+		.offs		= 1 << 5,
+	},
+	[PM8607_IRQ_CHG_DONE] = {
+		.reg		= PM8607_INT_STATUS3,
+		.mask_reg	= PM8607_INT_MASK_3,
+		.offs		= 1 << 6,
+	},
+	[PM8607_IRQ_CHG_FAULT] = {
+		.reg		= PM8607_INT_STATUS3,
+		.mask_reg	= PM8607_INT_MASK_3,
+		.offs		= 1 << 7,
+	},
+};
+
+static inline struct pm860x_irq_data *irq_to_pm860x(struct pm860x_chip *chip,
+						    int irq)
+{
+	return &pm860x_irqs[irq - chip->irq_base];
+}
+
+static irqreturn_t pm860x_irq(int irq, void *data)
+{
+	struct pm860x_chip *chip = data;
+	struct pm860x_irq_data *irq_data;
+	struct i2c_client *i2c;
+	int read_reg = -1, value = 0;
+	int i;
+
+	i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
+	for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
+		irq_data = &pm860x_irqs[i];
+		if (read_reg != irq_data->reg) {
+			read_reg = irq_data->reg;
+			value = pm860x_reg_read(i2c, irq_data->reg);
+		}
+		if (value & irq_data->enable)
+			handle_nested_irq(chip->irq_base + i);
+	}
+	return IRQ_HANDLED;
+}
+
+static void pm860x_irq_lock(unsigned int irq)
+{
+	struct pm860x_chip *chip = get_irq_chip_data(irq);
+
+	mutex_lock(&chip->irq_lock);
+}
+
+static void pm860x_irq_sync_unlock(unsigned int irq)
+{
+	struct pm860x_chip *chip = get_irq_chip_data(irq);
+	struct pm860x_irq_data *irq_data;
+	struct i2c_client *i2c;
+	static unsigned char cached[3] = {0x0, 0x0, 0x0};
+	unsigned char mask[3];
+	int i;
+
+	i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
+	/* Load cached value. In initial, all IRQs are masked */
+	for (i = 0; i < 3; i++)
+		mask[i] = cached[i];
+	for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
+		irq_data = &pm860x_irqs[i];
+		switch (irq_data->mask_reg) {
+		case PM8607_INT_MASK_1:
+			mask[0] &= ~irq_data->offs;
+			mask[0] |= irq_data->enable;
+			break;
+		case PM8607_INT_MASK_2:
+			mask[1] &= ~irq_data->offs;
+			mask[1] |= irq_data->enable;
+			break;
+		case PM8607_INT_MASK_3:
+			mask[2] &= ~irq_data->offs;
+			mask[2] |= irq_data->enable;
+			break;
+		default:
+			dev_err(chip->dev, "wrong IRQ\n");
+			break;
+		}
+	}
+	/* update mask into registers */
+	for (i = 0; i < 3; i++) {
+		if (mask[i] != cached[i]) {
+			cached[i] = mask[i];
+			pm860x_reg_write(i2c, PM8607_INT_MASK_1 + i, mask[i]);
+		}
+	}
+
+	mutex_unlock(&chip->irq_lock);
+}
+
+static void pm860x_irq_enable(unsigned int irq)
+{
+	struct pm860x_chip *chip = get_irq_chip_data(irq);
+	pm860x_irqs[irq - chip->irq_base].enable
+		= pm860x_irqs[irq - chip->irq_base].offs;
+}
+
+static void pm860x_irq_disable(unsigned int irq)
+{
+	struct pm860x_chip *chip = get_irq_chip_data(irq);
+	pm860x_irqs[irq - chip->irq_base].enable = 0;
+}
+
+static struct irq_chip pm860x_irq_chip = {
+	.name		= "88pm860x",
+	.bus_lock	= pm860x_irq_lock,
+	.bus_sync_unlock = pm860x_irq_sync_unlock,
+	.enable		= pm860x_irq_enable,
+	.disable	= pm860x_irq_disable,
+};
+
+static int __devinit device_gpadc_init(struct pm860x_chip *chip,
+				       struct pm860x_platform_data *pdata)
+{
+	struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
+				: chip->companion;
+	int use_gpadc = 0, data, ret;
+
+	/* initialize GPADC without activating it */
+
+	if (pdata && pdata->touch) {
+		/* set GPADC MISC1 register */
+		data = 0;
+		data |= (pdata->touch->gpadc_prebias << 1)
+			& PM8607_GPADC_PREBIAS_MASK;
+		data |= (pdata->touch->slot_cycle << 3)
+			& PM8607_GPADC_SLOT_CYCLE_MASK;
+		data |= (pdata->touch->off_scale << 5)
+			& PM8607_GPADC_OFF_SCALE_MASK;
+		data |= (pdata->touch->sw_cal << 7)
+			& PM8607_GPADC_SW_CAL_MASK;
+		if (data) {
+			ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
+			if (ret < 0)
+				goto out;
+		}
+		/* set tsi prebias time */
+		if (pdata->touch->tsi_prebias) {
+			data = pdata->touch->tsi_prebias;
+			ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
+			if (ret < 0)
+				goto out;
+		}
+		/* set prebias & prechg time of pen detect */
+		data = 0;
+		data |= pdata->touch->pen_prebias & PM8607_PD_PREBIAS_MASK;
+		data |= (pdata->touch->pen_prechg << 5)
+			& PM8607_PD_PRECHG_MASK;
+		if (data) {
+			ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
+			if (ret < 0)
+				goto out;
+		}
+
+		use_gpadc = 1;
+	}
+
+	/* turn on GPADC */
+	if (use_gpadc) {
+		ret = pm860x_set_bits(i2c, PM8607_GPADC_MISC1,
+				      PM8607_GPADC_EN, PM8607_GPADC_EN);
+	}
+out:
+	return ret;
+}
+
+static int __devinit device_irq_init(struct pm860x_chip *chip,
+				     struct pm860x_platform_data *pdata)
+{
+	struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
+				: chip->companion;
+	unsigned char status_buf[INT_STATUS_NUM];
+	unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
+	struct irq_desc *desc;
+	int i, data, mask, ret = -EINVAL;
+	int __irq;
+
+	if (!pdata || !pdata->irq_base) {
+		dev_warn(chip->dev, "No interrupt support on IRQ base\n");
+		return -EINVAL;
+	}
+
+	mask = PM8607_B0_MISC1_INV_INT | PM8607_B0_MISC1_INT_CLEAR
+		| PM8607_B0_MISC1_INT_MASK;
+	data = 0;
+	chip->irq_mode = 0;
+	if (pdata && pdata->irq_mode) {
+		/*
+		 * irq_mode defines the way of clearing interrupt. If it's 1,
+		 * clear IRQ by write. Otherwise, clear it by read.
+		 * This control bit is valid from 88PM8607 B0 steping.
+		 */
+		data |= PM8607_B0_MISC1_INT_CLEAR;
+		chip->irq_mode = 1;
+	}
+	ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, mask, data);
+	if (ret < 0)
+		goto out;
+
+	/* mask all IRQs */
+	memset(status_buf, 0, INT_STATUS_NUM);
+	ret = pm860x_bulk_write(i2c, PM8607_INT_MASK_1,
+				INT_STATUS_NUM, status_buf);
+	if (ret < 0)
+		goto out;
+
+	if (chip->irq_mode) {
+		/* clear interrupt status by write */
+		memset(status_buf, 0xFF, INT_STATUS_NUM);
+		ret = pm860x_bulk_write(i2c, PM8607_INT_STATUS1,
+					INT_STATUS_NUM, status_buf);
+	} else {
+		/* clear interrupt status by read */
+		ret = pm860x_bulk_read(i2c, PM8607_INT_STATUS1,
+					INT_STATUS_NUM, status_buf);
+	}
+	if (ret < 0)
+		goto out;
+
+	mutex_init(&chip->irq_lock);
+	chip->irq_base = pdata->irq_base;
+	chip->core_irq = i2c->irq;
+	if (!chip->core_irq)
+		goto out;
+
+	desc = irq_to_desc(chip->core_irq);
+
+	/* register IRQ by genirq */
+	for (i = 0; i < ARRAY_SIZE(pm860x_irqs); i++) {
+		__irq = i + chip->irq_base;
+		set_irq_chip_data(__irq, chip);
+		set_irq_chip_and_handler(__irq, &pm860x_irq_chip,
+					 handle_edge_irq);
+		set_irq_nested_thread(__irq, 1);
+#ifdef CONFIG_ARM
+		set_irq_flags(__irq, IRQF_VALID);
+#else
+		set_irq_noprobe(__irq);
+#endif
+	}
+
+	ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, flags,
+				   "88pm860x", chip);
+	if (ret) {
+		dev_err(chip->dev, "Failed to request IRQ: %d\n", ret);
+		chip->core_irq = 0;
+	}
+
+	return 0;
+out:
+	chip->core_irq = 0;
+	return ret;
+}
+
+static void __devexit device_irq_exit(struct pm860x_chip *chip)
+{
+	if (chip->core_irq)
+		free_irq(chip->core_irq, chip);
+}
+
+static void __devinit device_8606_init(struct pm860x_chip *chip,
+				       struct i2c_client *i2c,
+				       struct pm860x_platform_data *pdata)
+{
+	int ret;
+
+	if (pdata && pdata->backlight) {
+		ret = mfd_add_devices(chip->dev, 0, &backlight_devs[0],
+				      ARRAY_SIZE(backlight_devs),
+				      &backlight_resources[0], 0);
+		if (ret < 0) {
+			dev_err(chip->dev, "Failed to add backlight "
+				"subdev\n");
+			goto out_dev;
+		}
+	}
+
+	if (pdata && pdata->led) {
+		ret = mfd_add_devices(chip->dev, 0, &led_devs[0],
+				      ARRAY_SIZE(led_devs),
+				      &led_resources[0], 0);
+		if (ret < 0) {
+			dev_err(chip->dev, "Failed to add led "
+				"subdev\n");
+			goto out_dev;
+		}
+	}
+	return;
+out_dev:
+	mfd_remove_devices(chip->dev);
+	device_irq_exit(chip);
+}
+
+static void __devinit device_8607_init(struct pm860x_chip *chip,
+				       struct i2c_client *i2c,
+				       struct pm860x_platform_data *pdata)
+{
+	int data, ret;
+
+	ret = pm860x_reg_read(i2c, PM8607_CHIP_ID);
+	if (ret < 0) {
+		dev_err(chip->dev, "Failed to read CHIP ID: %d\n", ret);
+		goto out;
+	}
+	if ((ret & PM8607_VERSION_MASK) == PM8607_VERSION)
+		dev_info(chip->dev, "Marvell 88PM8607 (ID: %02x) detected\n",
+			 ret);
+	else {
+		dev_err(chip->dev, "Failed to detect Marvell 88PM8607. "
+			"Chip ID: %02x\n", ret);
+		goto out;
+	}
+
+	ret = pm860x_reg_read(i2c, PM8607_BUCK3);
+	if (ret < 0) {
+		dev_err(chip->dev, "Failed to read BUCK3 register: %d\n", ret);
+		goto out;
+	}
+	if (ret & PM8607_BUCK3_DOUBLE)
+		chip->buck3_double = 1;
+
+	ret = pm860x_reg_read(i2c, PM8607_B0_MISC1);
+	if (ret < 0) {
+		dev_err(chip->dev, "Failed to read MISC1 register: %d\n", ret);
+		goto out;
+	}
+
+	if (pdata && (pdata->i2c_port == PI2C_PORT))
+		data = PM8607_B0_MISC1_PI2C;
+	else
+		data = 0;
+	ret = pm860x_set_bits(i2c, PM8607_B0_MISC1, PM8607_B0_MISC1_PI2C, data);
+	if (ret < 0) {
+		dev_err(chip->dev, "Failed to access MISC1:%d\n", ret);
+		goto out;
+	}
+
+	ret = device_gpadc_init(chip, pdata);
+	if (ret < 0)
+		goto out;
+
+	ret = device_irq_init(chip, pdata);
+	if (ret < 0)
+		goto out;
+
+	ret = mfd_add_devices(chip->dev, 0, &regulator_devs[0],
+			      ARRAY_SIZE(regulator_devs),
+			      &regulator_resources[0], 0);
+	if (ret < 0) {
+		dev_err(chip->dev, "Failed to add regulator subdev\n");
+		goto out_dev;
+	}
+
+	if (pdata && pdata->touch) {
+		ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
+				      ARRAY_SIZE(touch_devs),
+				      &touch_resources[0], 0);
+		if (ret < 0) {
+			dev_err(chip->dev, "Failed to add touch "
+				"subdev\n");
+			goto out_dev;
+		}
+	}
+
+	if (pdata && pdata->power) {
+		ret = mfd_add_devices(chip->dev, 0, &power_devs[0],
+				      ARRAY_SIZE(power_devs),
+				      &power_supply_resources[0], 0);
+		if (ret < 0) {
+			dev_err(chip->dev, "Failed to add power supply "
+				"subdev\n");
+			goto out_dev;
+		}
+	}
+
+	ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0],
+			      ARRAY_SIZE(onkey_devs),
+			      &onkey_resources[0], 0);
+	if (ret < 0) {
+		dev_err(chip->dev, "Failed to add onkey subdev\n");
+		goto out_dev;
+	}
+
+	return;
+out_dev:
+	mfd_remove_devices(chip->dev);
+	device_irq_exit(chip);
+out:
+	return;
+}
+
+int pm860x_device_init(struct pm860x_chip *chip,
+		       struct pm860x_platform_data *pdata)
+{
+	chip->core_irq = 0;
+
+	switch (chip->id) {
+	case CHIP_PM8606:
+		device_8606_init(chip, chip->client, pdata);
+		break;
+	case CHIP_PM8607:
+		device_8607_init(chip, chip->client, pdata);
+		break;
+	}
+
+	if (chip->companion) {
+		switch (chip->id) {
+		case CHIP_PM8607:
+			device_8606_init(chip, chip->companion, pdata);
+			break;
+		case CHIP_PM8606:
+			device_8607_init(chip, chip->companion, pdata);
+			break;
+		}
+	}
+
+	return 0;
+}
+
+void pm860x_device_exit(struct pm860x_chip *chip)
+{
+	device_irq_exit(chip);
+	mfd_remove_devices(chip->dev);
+}
+
+MODULE_DESCRIPTION("PMIC Driver for Marvell 88PM860x");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/88pm860x-i2c.c b/drivers/mfd/88pm860x-i2c.c
new file mode 100644
index 000000000000..c37e12bf3004
--- /dev/null
+++ b/drivers/mfd/88pm860x-i2c.c
@@ -0,0 +1,236 @@
+/*
+ * I2C driver for Marvell 88PM860x
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ * 	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/mfd/88pm860x.h>
+
+static inline int pm860x_read_device(struct i2c_client *i2c,
+				     int reg, int bytes, void *dest)
+{
+	unsigned char data;
+	int ret;
+
+	data = (unsigned char)reg;
+	ret = i2c_master_send(i2c, &data, 1);
+	if (ret < 0)
+		return ret;
+
+	ret = i2c_master_recv(i2c, dest, bytes);
+	if (ret < 0)
+		return ret;
+	return 0;
+}
+
+static inline int pm860x_write_device(struct i2c_client *i2c,
+				      int reg, int bytes, void *src)
+{
+	unsigned char buf[bytes + 1];
+	int ret;
+
+	buf[0] = (unsigned char)reg;
+	memcpy(&buf[1], src, bytes);
+
+	ret = i2c_master_send(i2c, buf, bytes + 1);
+	if (ret < 0)
+		return ret;
+	return 0;
+}
+
+int pm860x_reg_read(struct i2c_client *i2c, int reg)
+{
+	struct pm860x_chip *chip = i2c_get_clientdata(i2c);
+	unsigned char data;
+	int ret;
+
+	mutex_lock(&chip->io_lock);
+	ret = pm860x_read_device(i2c, reg, 1, &data);
+	mutex_unlock(&chip->io_lock);
+
+	if (ret < 0)
+		return ret;
+	else
+		return (int)data;
+}
+EXPORT_SYMBOL(pm860x_reg_read);
+
+int pm860x_reg_write(struct i2c_client *i2c, int reg,
+		     unsigned char data)
+{
+	struct pm860x_chip *chip = i2c_get_clientdata(i2c);
+	int ret;
+
+	mutex_lock(&chip->io_lock);
+	ret = pm860x_write_device(i2c, reg, 1, &data);
+	mutex_unlock(&chip->io_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL(pm860x_reg_write);
+
+int pm860x_bulk_read(struct i2c_client *i2c, int reg,
+		     int count, unsigned char *buf)
+{
+	struct pm860x_chip *chip = i2c_get_clientdata(i2c);
+	int ret;
+
+	mutex_lock(&chip->io_lock);
+	ret = pm860x_read_device(i2c, reg, count, buf);
+	mutex_unlock(&chip->io_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL(pm860x_bulk_read);
+
+int pm860x_bulk_write(struct i2c_client *i2c, int reg,
+		      int count, unsigned char *buf)
+{
+	struct pm860x_chip *chip = i2c_get_clientdata(i2c);
+	int ret;
+
+	mutex_lock(&chip->io_lock);
+	ret = pm860x_write_device(i2c, reg, count, buf);
+	mutex_unlock(&chip->io_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL(pm860x_bulk_write);
+
+int pm860x_set_bits(struct i2c_client *i2c, int reg,
+		    unsigned char mask, unsigned char data)
+{
+	struct pm860x_chip *chip = i2c_get_clientdata(i2c);
+	unsigned char value;
+	int ret;
+
+	mutex_lock(&chip->io_lock);
+	ret = pm860x_read_device(i2c, reg, 1, &value);
+	if (ret < 0)
+		goto out;
+	value &= ~mask;
+	value |= data;
+	ret = pm860x_write_device(i2c, reg, 1, &value);
+out:
+	mutex_unlock(&chip->io_lock);
+	return ret;
+}
+EXPORT_SYMBOL(pm860x_set_bits);
+
+
+static const struct i2c_device_id pm860x_id_table[] = {
+	{ "88PM860x", 0 },
+	{}
+};
+MODULE_DEVICE_TABLE(i2c, pm860x_id_table);
+
+static int verify_addr(struct i2c_client *i2c)
+{
+	unsigned short addr_8607[] = {0x30, 0x34};
+	unsigned short addr_8606[] = {0x10, 0x11};
+	int size, i;
+
+	if (i2c == NULL)
+		return 0;
+	size = ARRAY_SIZE(addr_8606);
+	for (i = 0; i < size; i++) {
+		if (i2c->addr == *(addr_8606 + i))
+			return CHIP_PM8606;
+	}
+	size = ARRAY_SIZE(addr_8607);
+	for (i = 0; i < size; i++) {
+		if (i2c->addr == *(addr_8607 + i))
+			return CHIP_PM8607;
+	}
+	return 0;
+}
+
+static int __devinit pm860x_probe(struct i2c_client *client,
+				  const struct i2c_device_id *id)
+{
+	struct pm860x_platform_data *pdata = client->dev.platform_data;
+	struct pm860x_chip *chip;
+
+	if (!pdata) {
+		pr_info("No platform data in %s!\n", __func__);
+		return -EINVAL;
+	}
+
+	chip = kzalloc(sizeof(struct pm860x_chip), GFP_KERNEL);
+	if (chip == NULL)
+		return -ENOMEM;
+
+	chip->id = verify_addr(client);
+	chip->client = client;
+	i2c_set_clientdata(client, chip);
+	chip->dev = &client->dev;
+	mutex_init(&chip->io_lock);
+	dev_set_drvdata(chip->dev, chip);
+
+	/*
+	 * Both client and companion client shares same platform driver.
+	 * Driver distinguishes them by pdata->companion_addr.
+	 * pdata->companion_addr is only assigned if companion chip exists.
+	 * At the same time, the companion_addr shouldn't equal to client
+	 * address.
+	 */
+	if (pdata->companion_addr && (pdata->companion_addr != client->addr)) {
+		chip->companion_addr = pdata->companion_addr;
+		chip->companion = i2c_new_dummy(chip->client->adapter,
+						chip->companion_addr);
+		i2c_set_clientdata(chip->companion, chip);
+	}
+
+	pm860x_device_init(chip, pdata);
+	return 0;
+}
+
+static int __devexit pm860x_remove(struct i2c_client *client)
+{
+	struct pm860x_chip *chip = i2c_get_clientdata(client);
+
+	pm860x_device_exit(chip);
+	i2c_unregister_device(chip->companion);
+	i2c_set_clientdata(chip->companion, NULL);
+	i2c_set_clientdata(chip->client, NULL);
+	kfree(chip);
+	return 0;
+}
+
+static struct i2c_driver pm860x_driver = {
+	.driver	= {
+		.name	= "88PM860x",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= pm860x_probe,
+	.remove		= __devexit_p(pm860x_remove),
+	.id_table	= pm860x_id_table,
+};
+
+static int __init pm860x_i2c_init(void)
+{
+	int ret;
+	ret = i2c_add_driver(&pm860x_driver);
+	if (ret != 0)
+		pr_err("Failed to register 88PM860x I2C driver: %d\n", ret);
+	return ret;
+}
+subsys_initcall(pm860x_i2c_init);
+
+static void __exit pm860x_i2c_exit(void)
+{
+	i2c_del_driver(&pm860x_driver);
+}
+module_exit(pm860x_i2c_exit);
+
+MODULE_DESCRIPTION("I2C Driver for Marvell 88PM860x");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index b670d10d5c92..2a5a0b78f84e 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -9,6 +9,16 @@ config MFD_CORE
 	tristate
 	default n
 
+config MFD_88PM860X
+	bool "Support Marvell 88PM8606/88PM8607"
+	depends on I2C=y && GENERIC_HARDIRQS
+	select MFD_CORE
+	help
+	  This supports for Marvell 88PM8606/88PM8607 Power Management IC.
+	  This includes the I2C driver and the core APIs _only_, you have to
+	  select individual components like voltage regulators, RTC and
+	  battery-charger under the corresponding menus.
+
 config MFD_SM501
 	tristate "Support for Silicon Motion SM501"
 	 ---help---
@@ -37,7 +47,7 @@ config MFD_ASIC3
 
 config MFD_SH_MOBILE_SDHI
 	bool "Support for SuperH Mobile SDHI"
-	depends on SUPERH
+	depends on SUPERH || ARCH_SHMOBILE
 	select MFD_CORE
 	 ---help---
 	  This driver supports the SDHI hardware block found in many
@@ -68,6 +78,15 @@ config HTC_PASIC3
 	  HTC Magician devices, respectively. Actual functionality is
 	  handled by the leds-pasic3 and ds1wm drivers.
 
+config HTC_I2CPLD
+	bool "HTC I2C PLD chip support"
+	depends on I2C=y && GPIOLIB
+	help
+	  If you say yes here you get support for the supposed CPLD
+	  found on omap850 HTC devices like the HTC Wizard and HTC Herald.
+	  This device provides input and output GPIOs through an I2C
+	  interface to one or more sub-chips.
+
 config UCB1400_CORE
 	tristate "Philips UCB1400 Core driver"
 	depends on AC97_BUS
@@ -184,6 +203,16 @@ config PMIC_ADP5520
 	  individual components like LCD backlight, LEDs, GPIOs and Kepad
 	  under the corresponding menus.
 
+config MFD_MAX8925
+	bool "Maxim Semiconductor MAX8925 PMIC Support"
+	depends on I2C=y && GENERIC_HARDIRQS
+	select MFD_CORE
+	help
+	  Say yes here to support for Maxim Semiconductor MAX8925. This is
+	  a Power Management IC. This driver provies common support for
+	  accessing the device, additional drivers must be enabled in order
+	  to use the functionality of the device.
+
 config MFD_WM8400
 	tristate "Support Wolfson Microelectronics WM8400"
 	select MFD_CORE
@@ -197,7 +226,7 @@ config MFD_WM8400
 config MFD_WM831X
 	bool "Support Wolfson Microelectronics WM831x/2x PMICs"
 	select MFD_CORE
-	depends on I2C=y
+	depends on I2C=y && GENERIC_HARDIRQS
 	help
 	  Support for the Wolfson Microelecronics WM831x and WM832x PMICs.
 	  This driver provides common support for accessing the device,
@@ -205,7 +234,8 @@ config MFD_WM831X
 	  functionality of the device.
 
 config MFD_WM8350
-	tristate
+	bool
+	depends on GENERIC_HARDIRQS
 
 config MFD_WM8350_CONFIG_MODE_0
 	bool
@@ -256,9 +286,9 @@ config MFD_WM8352_CONFIG_MODE_3
 	depends on MFD_WM8350
 
 config MFD_WM8350_I2C
-	tristate "Support Wolfson Microelectronics WM8350 with I2C"
+	bool "Support Wolfson Microelectronics WM8350 with I2C"
 	select MFD_WM8350
-	depends on I2C
+	depends on I2C=y && GENERIC_HARDIRQS
 	help
 	  The WM8350 is an integrated audio and power management
 	  subsystem with watchdog and RTC functionality for embedded
@@ -266,6 +296,18 @@ config MFD_WM8350_I2C
 	  I2C as the control interface.  Additional options must be
 	  selected to enable support for the functionality of the chip.
 
+config MFD_WM8994
+	tristate "Support Wolfson Microelectronics WM8994"
+	select MFD_CORE
+	depends on I2C
+	help
+	  The WM8994 is a highly integrated hi-fi CODEC designed for
+	  smartphone applicatiosn.  As well as audio functionality it
+	  has on board GPIO and regulator functionality which is
+	  supported via the relevant subsystems.  This driver provides
+	  core support for the WM8994, in order to use the actual
+	  functionaltiy of the device other drivers must be enabled.
+
 config MFD_PCF50633
 	tristate "Support for NXP PCF50633"
 	depends on I2C
@@ -300,8 +342,8 @@ config PCF50633_GPIO
 	 the PCF50633 chip.
 
 config AB3100_CORE
-	tristate "ST-Ericsson AB3100 Mixed Signal Circuit core functions"
-	depends on I2C
+	bool "ST-Ericsson AB3100 Mixed Signal Circuit core functions"
+	depends on I2C=y
 	default y if ARCH_U300
 	help
 	  Select this to enable the AB3100 Mixed Signal IC core
@@ -329,16 +371,6 @@ config EZX_PCAP
 	  This enables the PCAP ASIC present on EZX Phones. This is
 	  needed for MMC, TouchScreen, Sound, USB, etc..
 
-config MFD_88PM8607
-	bool "Support Marvell 88PM8607"
-	depends on I2C=y
-	select MFD_CORE
-	help
-	  This supports for Marvell 88PM8607 Power Management IC. This includes
-	  the I2C driver and the core APIs _only_, you have to select
-	  individual components like voltage regulators, RTC and
-	  battery-charger under the corresponding menus.
-
 config AB4500_CORE
 	tristate "ST-Ericsson's AB4500 Mixed Signal Power management chip"
 	depends on SPI
@@ -358,6 +390,15 @@ config MFD_TIMBERDALE
 
 	The timberdale FPGA can be found on the Intel Atom development board
 	for in-vehicle infontainment, called Russellville.
+
+config LPC_SCH
+	tristate "Intel SCH LPC"
+	depends on PCI
+	select MFD_CORE
+	help
+	  LPC bridge function of the Intel SCH provides support for
+	  System Management Bus and General Purpose I/O.
+
 endmenu
 
 menu "Multimedia Capabilities Port drivers"
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 78295d6a75f7..22715add99a7 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -2,12 +2,15 @@
 # Makefile for multifunction miscellaneous devices
 #
 
+88pm860x-objs			:= 88pm860x-core.o 88pm860x-i2c.o
+obj-$(CONFIG_MFD_88PM860X)	+= 88pm860x.o
 obj-$(CONFIG_MFD_SM501)		+= sm501.o
 obj-$(CONFIG_MFD_ASIC3)		+= asic3.o tmio_core.o
 obj-$(CONFIG_MFD_SH_MOBILE_SDHI)		+= sh_mobile_sdhi.o
 
 obj-$(CONFIG_HTC_EGPIO)		+= htc-egpio.o
 obj-$(CONFIG_HTC_PASIC3)	+= htc-pasic3.o
+obj-$(CONFIG_HTC_I2CPLD)	+= htc-i2cpld.o
 
 obj-$(CONFIG_MFD_DM355EVM_MSP)	+= dm355evm_msp.o
 
@@ -22,6 +25,7 @@ wm8350-objs			:= wm8350-core.o wm8350-regmap.o wm8350-gpio.o
 wm8350-objs			+= wm8350-irq.o
 obj-$(CONFIG_MFD_WM8350)	+= wm8350.o
 obj-$(CONFIG_MFD_WM8350_I2C)	+= wm8350-i2c.o
+obj-$(CONFIG_MFD_WM8994)	+= wm8994-core.o
 
 obj-$(CONFIG_TPS65010)		+= tps65010.o
 obj-$(CONFIG_MENELAUS)		+= menelaus.o
@@ -47,6 +51,8 @@ endif
 obj-$(CONFIG_UCB1400_CORE)	+= ucb1400_core.o
 
 obj-$(CONFIG_PMIC_DA903X)	+= da903x.o
+max8925-objs			:= max8925-core.o max8925-i2c.o
+obj-$(CONFIG_MFD_MAX8925)	+= max8925.o
 
 obj-$(CONFIG_MFD_PCF50633)	+= pcf50633-core.o
 obj-$(CONFIG_PCF50633_ADC)	+= pcf50633-adc.o
@@ -55,5 +61,5 @@ obj-$(CONFIG_AB3100_CORE)	+= ab3100-core.o
 obj-$(CONFIG_AB3100_OTP)	+= ab3100-otp.o
 obj-$(CONFIG_AB4500_CORE)	+= ab4500-core.o
 obj-$(CONFIG_MFD_TIMBERDALE)    += timberdale.o
-obj-$(CONFIG_MFD_88PM8607)	+= 88pm8607.o
 obj-$(CONFIG_PMIC_ADP5520)	+= adp5520.o
+obj-$(CONFIG_LPC_SCH)		+= lpc_sch.o
\ No newline at end of file
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index fd42a80e7bf9..a2ce3b6af4a2 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007-2009 ST-Ericsson
+ * Copyright (C) 2007-2010 ST-Ericsson
  * License terms: GNU General Public License (GPL) version 2
  * Low-level core for exclusive access to the AB3100 IC on the I2C bus
  * and some basic chip-configuration.
@@ -14,6 +14,7 @@
 #include <linux/platform_device.h>
 #include <linux/device.h>
 #include <linux/interrupt.h>
+#include <linux/random.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 #include <linux/uaccess.h>
@@ -365,18 +366,23 @@ int ab3100_event_registers_startup_state_get(struct ab3100 *ab3100,
 }
 EXPORT_SYMBOL(ab3100_event_registers_startup_state_get);
 
-/* Interrupt handling worker */
-static void ab3100_work(struct work_struct *work)
+/*
+ * This is a threaded interrupt handler so we can make some
+ * I2C calls etc.
+ */
+static irqreturn_t ab3100_irq_handler(int irq, void *data)
 {
-	struct ab3100 *ab3100 = container_of(work, struct ab3100, work);
+	struct ab3100 *ab3100 = data;
 	u8 event_regs[3];
 	u32 fatevent;
 	int err;
 
+	add_interrupt_randomness(irq);
+
 	err = ab3100_get_register_page_interruptible(ab3100, AB3100_EVENTA1,
 				       event_regs, 3);
 	if (err)
-		goto err_event_wq;
+		goto err_event;
 
 	fatevent = (event_regs[0] << 16) |
 		(event_regs[1] << 8) |
@@ -398,29 +404,11 @@ static void ab3100_work(struct work_struct *work)
 	dev_dbg(ab3100->dev,
 		"IRQ Event: 0x%08x\n", fatevent);
 
-	/* By now the IRQ should be acked and deasserted so enable it again */
-	enable_irq(ab3100->i2c_client->irq);
-	return;
+	return IRQ_HANDLED;
 
- err_event_wq:
+ err_event:
 	dev_dbg(ab3100->dev,
-		"error in event workqueue\n");
-	/* Enable the IRQ anyway, what choice do we have? */
-	enable_irq(ab3100->i2c_client->irq);
-	return;
-}
-
-static irqreturn_t ab3100_irq_handler(int irq, void *data)
-{
-	struct ab3100 *ab3100 = data;
-	/*
-	 * Disable the IRQ and dispatch a worker to handle the
-	 * event. Since the chip resides on I2C this is slow
-	 * stuff and we will re-enable the interrupts once th
-	 * worker has finished.
-	 */
-	disable_irq_nosync(irq);
-	schedule_work(&ab3100->work);
+		"error reading event status\n");
 	return IRQ_HANDLED;
 }
 
@@ -735,10 +723,7 @@ static struct platform_device ab3100_##devname##_device = {	\
 	.id		= -1,					\
 }
 
-/*
- * This lists all the subdevices and corresponding register
- * ranges.
- */
+/* This lists all the subdevices */
 AB3100_DEVICE(dac, "ab3100-dac");
 AB3100_DEVICE(leds, "ab3100-leds");
 AB3100_DEVICE(power, "ab3100-power");
@@ -904,12 +889,11 @@ static int __init ab3100_probe(struct i2c_client *client,
 	if (err)
 		goto exit_no_setup;
 
-	INIT_WORK(&ab3100->work, ab3100_work);
-
+	err = request_threaded_irq(client->irq, NULL, ab3100_irq_handler,
+				IRQF_ONESHOT, "ab3100-core", ab3100);
 	/* This real unpredictable IRQ is of course sampled for entropy */
-	err = request_irq(client->irq, ab3100_irq_handler,
-			  IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
-			  "AB3100 IRQ", ab3100);
+	rand_initialize_irq(client->irq);
+
 	if (err)
 		goto exit_no_irq;
 
diff --git a/drivers/mfd/ab3100-otp.c b/drivers/mfd/ab3100-otp.c
index 0499b2031a2c..b603469dff69 100644
--- a/drivers/mfd/ab3100-otp.c
+++ b/drivers/mfd/ab3100-otp.c
@@ -13,6 +13,7 @@
 #include <linux/platform_device.h>
 #include <linux/mfd/ab3100.h>
 #include <linux/debugfs.h>
+#include <linux/seq_file.h>
 
 /* The OTP registers */
 #define AB3100_OTP0		0xb0
@@ -95,11 +96,10 @@ static int __init ab3100_otp_read(struct ab3100_otp *otp)
  * This is a simple debugfs human-readable file that dumps out
  * the contents of the OTP.
  */
-#ifdef CONFIG_DEBUGFS
-static int show_otp(struct seq_file *s, void *v)
+#ifdef CONFIG_DEBUG_FS
+static int ab3100_show_otp(struct seq_file *s, void *v)
 {
 	struct ab3100_otp *otp = s->private;
-	int err;
 
 	seq_printf(s, "OTP is %s\n", otp->locked ? "LOCKED" : "UNLOCKED");
 	seq_printf(s, "OTP clock switch startup is %uHz\n", otp->freq);
@@ -113,7 +113,7 @@ static int show_otp(struct seq_file *s, void *v)
 
 static int ab3100_otp_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ab3100_otp_show, inode->i_private);
+	return single_open(file, ab3100_show_otp, inode->i_private);
 }
 
 static const struct file_operations ab3100_otp_operations = {
@@ -131,13 +131,14 @@ static int __init ab3100_otp_init_debugfs(struct device *dev,
 					   &ab3100_otp_operations);
 	if (!otp->debugfs) {
 		dev_err(dev, "AB3100 debugfs OTP file registration failed!\n");
-		return err;
+		return -ENOENT;
 	}
+	return 0;
 }
 
 static void __exit ab3100_otp_exit_debugfs(struct ab3100_otp *otp)
 {
-	debugfs_remove_file(otp->debugfs);
+	debugfs_remove(otp->debugfs);
 }
 #else
 /* Compile this out if debugfs not selected */
diff --git a/drivers/mfd/htc-egpio.c b/drivers/mfd/htc-egpio.c
index aa266e1f69b2..addb846c1e34 100644
--- a/drivers/mfd/htc-egpio.c
+++ b/drivers/mfd/htc-egpio.c
@@ -108,7 +108,7 @@ static void egpio_handler(unsigned int irq, struct irq_desc *desc)
 	ack_irqs(ei);
 	/* Process all set pins. */
 	readval &= ei->irqs_enabled;
-	for_each_bit(irqpin, &readval, ei->nirqs) {
+	for_each_set_bit(irqpin, &readval, ei->nirqs) {
 		/* Run irq handler */
 		pr_debug("got IRQ %d\n", irqpin);
 		irq = ei->irq_start + irqpin;
diff --git a/drivers/mfd/htc-i2cpld.c b/drivers/mfd/htc-i2cpld.c
new file mode 100644
index 000000000000..37b9fdab4f36
--- /dev/null
+++ b/drivers/mfd/htc-i2cpld.c
@@ -0,0 +1,710 @@
+/*
+ *  htc-i2cpld.c
+ *  Chip driver for an unknown CPLD chip found on omap850 HTC devices like
+ *  the HTC Wizard and HTC Herald.
+ *  The cpld is located on the i2c bus and acts as an input/output GPIO
+ *  extender.
+ *
+ *  Copyright (C) 2009 Cory Maccarrone <darkstar6262@gmail.com>
+ *
+ *  Based on work done in the linwizard project
+ *  Copyright (C) 2008-2009 Angelo Arrifano <miknix@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/irq.h>
+#include <linux/spinlock.h>
+#include <linux/htcpld.h>
+#include <linux/gpio.h>
+
+struct htcpld_chip {
+	spinlock_t              lock;
+
+	/* chip info */
+	u8                      reset;
+	u8                      addr;
+	struct device           *dev;
+	struct i2c_client	*client;
+
+	/* Output details */
+	u8                      cache_out;
+	struct gpio_chip        chip_out;
+
+	/* Input details */
+	u8                      cache_in;
+	struct gpio_chip        chip_in;
+
+	u16                     irqs_enabled;
+	uint                    irq_start;
+	int                     nirqs;
+
+	/*
+	 * Work structure to allow for setting values outside of any
+	 * possible interrupt context
+	 */
+	struct work_struct set_val_work;
+};
+
+struct htcpld_data {
+	/* irq info */
+	u16                irqs_enabled;
+	uint               irq_start;
+	int                nirqs;
+	uint               chained_irq;
+	unsigned int       int_reset_gpio_hi;
+	unsigned int       int_reset_gpio_lo;
+
+	/* htcpld info */
+	struct htcpld_chip *chip;
+	unsigned int       nchips;
+};
+
+/* There does not appear to be a way to proactively mask interrupts
+ * on the htcpld chip itself.  So, we simply ignore interrupts that
+ * aren't desired. */
+static void htcpld_mask(unsigned int irq)
+{
+	struct htcpld_chip *chip = get_irq_chip_data(irq);
+	chip->irqs_enabled &= ~(1 << (irq - chip->irq_start));
+	pr_debug("HTCPLD mask %d %04x\n", irq, chip->irqs_enabled);
+}
+static void htcpld_unmask(unsigned int irq)
+{
+	struct htcpld_chip *chip = get_irq_chip_data(irq);
+	chip->irqs_enabled |= 1 << (irq - chip->irq_start);
+	pr_debug("HTCPLD unmask %d %04x\n", irq, chip->irqs_enabled);
+}
+
+static int htcpld_set_type(unsigned int irq, unsigned int flags)
+{
+	struct irq_desc *d = irq_to_desc(irq);
+
+	if (!d) {
+		pr_err("HTCPLD invalid IRQ: %d\n", irq);
+		return -EINVAL;
+	}
+
+	if (flags & ~IRQ_TYPE_SENSE_MASK)
+		return -EINVAL;
+
+	/* We only allow edge triggering */
+	if (flags & (IRQ_TYPE_LEVEL_LOW|IRQ_TYPE_LEVEL_HIGH))
+		return -EINVAL;
+
+	d->status &= ~IRQ_TYPE_SENSE_MASK;
+	d->status |= flags;
+
+	return 0;
+}
+
+static struct irq_chip htcpld_muxed_chip = {
+	.name     = "htcpld",
+	.mask     = htcpld_mask,
+	.unmask   = htcpld_unmask,
+	.set_type = htcpld_set_type,
+};
+
+/* To properly dispatch IRQ events, we need to read from the
+ * chip.  This is an I2C action that could possibly sleep
+ * (which is bad in interrupt context) -- so we use a threaded
+ * interrupt handler to get around that.
+ */
+static irqreturn_t htcpld_handler(int irq, void *dev)
+{
+	struct htcpld_data *htcpld = dev;
+	unsigned int i;
+	unsigned long flags;
+	int irqpin;
+	struct irq_desc *desc;
+
+	if (!htcpld) {
+		pr_debug("htcpld is null in ISR\n");
+		return IRQ_HANDLED;
+	}
+
+	/*
+	 * For each chip, do a read of the chip and trigger any interrupts
+	 * desired.  The interrupts will be triggered from LSB to MSB (i.e.
+	 * bit 0 first, then bit 1, etc.)
+	 *
+	 * For chips that have no interrupt range specified, just skip 'em.
+	 */
+	for (i = 0; i < htcpld->nchips; i++) {
+		struct htcpld_chip *chip = &htcpld->chip[i];
+		struct i2c_client *client;
+		int val;
+		unsigned long uval, old_val;
+
+		if (!chip) {
+			pr_debug("chip %d is null in ISR\n", i);
+			continue;
+		}
+
+		if (chip->nirqs == 0)
+			continue;
+
+		client = chip->client;
+		if (!client) {
+			pr_debug("client %d is null in ISR\n", i);
+			continue;
+		}
+
+		/* Scan the chip */
+		val = i2c_smbus_read_byte_data(client, chip->cache_out);
+		if (val < 0) {
+			/* Throw a warning and skip this chip */
+			dev_warn(chip->dev, "Unable to read from chip: %d\n",
+				 val);
+			continue;
+		}
+
+		uval = (unsigned long)val;
+
+		spin_lock_irqsave(&chip->lock, flags);
+
+		/* Save away the old value so we can compare it */
+		old_val = chip->cache_in;
+
+		/* Write the new value */
+		chip->cache_in = uval;
+
+		spin_unlock_irqrestore(&chip->lock, flags);
+
+		/*
+		 * For each bit in the data (starting at bit 0), trigger
+		 * associated interrupts.
+		 */
+		for (irqpin = 0; irqpin < chip->nirqs; irqpin++) {
+			unsigned oldb, newb;
+			int flags;
+
+			irq = chip->irq_start + irqpin;
+			desc = irq_to_desc(irq);
+			flags = desc->status;
+
+			/* Run the IRQ handler, but only if the bit value
+			 * changed, and the proper flags are set */
+			oldb = (old_val >> irqpin) & 1;
+			newb = (uval >> irqpin) & 1;
+
+			if ((!oldb && newb && (flags & IRQ_TYPE_EDGE_RISING)) ||
+			    (oldb && !newb &&
+			     (flags & IRQ_TYPE_EDGE_FALLING))) {
+				pr_debug("fire IRQ %d\n", irqpin);
+				desc->handle_irq(irq, desc);
+			}
+		}
+	}
+
+	/*
+	 * In order to continue receiving interrupts, the int_reset_gpio must
+	 * be asserted.
+	 */
+	if (htcpld->int_reset_gpio_hi)
+		gpio_set_value(htcpld->int_reset_gpio_hi, 1);
+	if (htcpld->int_reset_gpio_lo)
+		gpio_set_value(htcpld->int_reset_gpio_lo, 0);
+
+	return IRQ_HANDLED;
+}
+
+/*
+ * The GPIO set routines can be called from interrupt context, especially if,
+ * for example they're attached to the led-gpio framework and a trigger is
+ * enabled.  As such, we declared work above in the htcpld_chip structure,
+ * and that work is scheduled in the set routine.  The kernel can then run
+ * the I2C functions, which will sleep, in process context.
+ */
+void htcpld_chip_set(struct gpio_chip *chip, unsigned offset, int val)
+{
+	struct i2c_client *client;
+	struct htcpld_chip *chip_data;
+	unsigned long flags;
+
+	chip_data = container_of(chip, struct htcpld_chip, chip_out);
+	if (!chip_data)
+		return;
+
+	client = chip_data->client;
+	if (client == NULL)
+		return;
+
+	spin_lock_irqsave(&chip_data->lock, flags);
+	if (val)
+		chip_data->cache_out |= (1 << offset);
+	else
+		chip_data->cache_out &= ~(1 << offset);
+	spin_unlock_irqrestore(&chip_data->lock, flags);
+
+	schedule_work(&(chip_data->set_val_work));
+}
+
+void htcpld_chip_set_ni(struct work_struct *work)
+{
+	struct htcpld_chip *chip_data;
+	struct i2c_client *client;
+
+	chip_data = container_of(work, struct htcpld_chip, set_val_work);
+	client = chip_data->client;
+	i2c_smbus_read_byte_data(client, chip_data->cache_out);
+}
+
+int htcpld_chip_get(struct gpio_chip *chip, unsigned offset)
+{
+	struct htcpld_chip *chip_data;
+	int val = 0;
+	int is_input = 0;
+
+	/* Try out first */
+	chip_data = container_of(chip, struct htcpld_chip, chip_out);
+	if (!chip_data) {
+		/* Try in */
+		is_input = 1;
+		chip_data = container_of(chip, struct htcpld_chip, chip_in);
+		if (!chip_data)
+			return -EINVAL;
+	}
+
+	/* Determine if this is an input or output GPIO */
+	if (!is_input)
+		/* Use the output cache */
+		val = (chip_data->cache_out >> offset) & 1;
+	else
+		/* Use the input cache */
+		val = (chip_data->cache_in >> offset) & 1;
+
+	if (val)
+		return 1;
+	else
+		return 0;
+}
+
+static int htcpld_direction_output(struct gpio_chip *chip,
+					unsigned offset, int value)
+{
+	htcpld_chip_set(chip, offset, value);
+	return 0;
+}
+
+static int htcpld_direction_input(struct gpio_chip *chip,
+					unsigned offset)
+{
+	/*
+	 * No-op: this function can only be called on the input chip.
+	 * We do however make sure the offset is within range.
+	 */
+	return (offset < chip->ngpio) ? 0 : -EINVAL;
+}
+
+int htcpld_chip_to_irq(struct gpio_chip *chip, unsigned offset)
+{
+	struct htcpld_chip *chip_data;
+
+	chip_data = container_of(chip, struct htcpld_chip, chip_in);
+
+	if (offset < chip_data->nirqs)
+		return chip_data->irq_start + offset;
+	else
+		return -EINVAL;
+}
+
+void htcpld_chip_reset(struct i2c_client *client)
+{
+	struct htcpld_chip *chip_data = i2c_get_clientdata(client);
+	if (!chip_data)
+		return;
+
+	i2c_smbus_read_byte_data(
+		client, (chip_data->cache_out = chip_data->reset));
+}
+
+static int __devinit htcpld_setup_chip_irq(
+		struct platform_device *pdev,
+		int chip_index)
+{
+	struct htcpld_data *htcpld;
+	struct device *dev = &pdev->dev;
+	struct htcpld_core_platform_data *pdata;
+	struct htcpld_chip *chip;
+	struct htcpld_chip_platform_data *plat_chip_data;
+	unsigned int irq, irq_end;
+	int ret = 0;
+
+	/* Get the platform and driver data */
+	pdata = dev->platform_data;
+	htcpld = platform_get_drvdata(pdev);
+	chip = &htcpld->chip[chip_index];
+	plat_chip_data = &pdata->chip[chip_index];
+
+	/* Setup irq handlers */
+	irq_end = chip->irq_start + chip->nirqs;
+	for (irq = chip->irq_start; irq < irq_end; irq++) {
+		set_irq_chip(irq, &htcpld_muxed_chip);
+		set_irq_chip_data(irq, chip);
+		set_irq_handler(irq, handle_simple_irq);
+#ifdef CONFIG_ARM
+		set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+#else
+		set_irq_probe(irq);
+#endif
+	}
+
+	return ret;
+}
+
+static int __devinit htcpld_register_chip_i2c(
+		struct platform_device *pdev,
+		int chip_index)
+{
+	struct htcpld_data *htcpld;
+	struct device *dev = &pdev->dev;
+	struct htcpld_core_platform_data *pdata;
+	struct htcpld_chip *chip;
+	struct htcpld_chip_platform_data *plat_chip_data;
+	struct i2c_adapter *adapter;
+	struct i2c_client *client;
+	struct i2c_board_info info;
+
+	/* Get the platform and driver data */
+	pdata = dev->platform_data;
+	htcpld = platform_get_drvdata(pdev);
+	chip = &htcpld->chip[chip_index];
+	plat_chip_data = &pdata->chip[chip_index];
+
+	adapter = i2c_get_adapter(pdata->i2c_adapter_id);
+	if (adapter == NULL) {
+		/* Eek, no such I2C adapter!  Bail out. */
+		dev_warn(dev, "Chip at i2c address 0x%x: Invalid i2c adapter %d\n",
+			 plat_chip_data->addr, pdata->i2c_adapter_id);
+		return -ENODEV;
+	}
+
+	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_BYTE_DATA)) {
+		dev_warn(dev, "i2c adapter %d non-functional\n",
+			 pdata->i2c_adapter_id);
+		return -EINVAL;
+	}
+
+	memset(&info, 0, sizeof(struct i2c_board_info));
+	info.addr = plat_chip_data->addr;
+	strlcpy(info.type, "htcpld-chip", I2C_NAME_SIZE);
+	info.platform_data = chip;
+
+	/* Add the I2C device.  This calls the probe() function. */
+	client = i2c_new_device(adapter, &info);
+	if (!client) {
+		/* I2C device registration failed, contineu with the next */
+		dev_warn(dev, "Unable to add I2C device for 0x%x\n",
+			 plat_chip_data->addr);
+		return -ENODEV;
+	}
+
+	i2c_set_clientdata(client, chip);
+	snprintf(client->name, I2C_NAME_SIZE, "Chip_0x%d", client->addr);
+	chip->client = client;
+
+	/* Reset the chip */
+	htcpld_chip_reset(client);
+	chip->cache_in = i2c_smbus_read_byte_data(client, chip->cache_out);
+
+	return 0;
+}
+
+static void __devinit htcpld_unregister_chip_i2c(
+		struct platform_device *pdev,
+		int chip_index)
+{
+	struct htcpld_data *htcpld;
+	struct htcpld_chip *chip;
+
+	/* Get the platform and driver data */
+	htcpld = platform_get_drvdata(pdev);
+	chip = &htcpld->chip[chip_index];
+
+	if (chip->client)
+		i2c_unregister_device(chip->client);
+}
+
+static int __devinit htcpld_register_chip_gpio(
+		struct platform_device *pdev,
+		int chip_index)
+{
+	struct htcpld_data *htcpld;
+	struct device *dev = &pdev->dev;
+	struct htcpld_core_platform_data *pdata;
+	struct htcpld_chip *chip;
+	struct htcpld_chip_platform_data *plat_chip_data;
+	struct gpio_chip *gpio_chip;
+	int ret = 0;
+
+	/* Get the platform and driver data */
+	pdata = dev->platform_data;
+	htcpld = platform_get_drvdata(pdev);
+	chip = &htcpld->chip[chip_index];
+	plat_chip_data = &pdata->chip[chip_index];
+
+	/* Setup the GPIO chips */
+	gpio_chip = &(chip->chip_out);
+	gpio_chip->label           = "htcpld-out";
+	gpio_chip->dev             = dev;
+	gpio_chip->owner           = THIS_MODULE;
+	gpio_chip->get             = htcpld_chip_get;
+	gpio_chip->set             = htcpld_chip_set;
+	gpio_chip->direction_input = NULL;
+	gpio_chip->direction_output = htcpld_direction_output;
+	gpio_chip->base            = plat_chip_data->gpio_out_base;
+	gpio_chip->ngpio           = plat_chip_data->num_gpios;
+
+	gpio_chip = &(chip->chip_in);
+	gpio_chip->label           = "htcpld-in";
+	gpio_chip->dev             = dev;
+	gpio_chip->owner           = THIS_MODULE;
+	gpio_chip->get             = htcpld_chip_get;
+	gpio_chip->set             = NULL;
+	gpio_chip->direction_input = htcpld_direction_input;
+	gpio_chip->direction_output = NULL;
+	gpio_chip->to_irq          = htcpld_chip_to_irq;
+	gpio_chip->base            = plat_chip_data->gpio_in_base;
+	gpio_chip->ngpio           = plat_chip_data->num_gpios;
+
+	/* Add the GPIO chips */
+	ret = gpiochip_add(&(chip->chip_out));
+	if (ret) {
+		dev_warn(dev, "Unable to register output GPIOs for 0x%x: %d\n",
+			 plat_chip_data->addr, ret);
+		return ret;
+	}
+
+	ret = gpiochip_add(&(chip->chip_in));
+	if (ret) {
+		int error;
+
+		dev_warn(dev, "Unable to register input GPIOs for 0x%x: %d\n",
+			 plat_chip_data->addr, ret);
+
+		error = gpiochip_remove(&(chip->chip_out));
+		if (error)
+			dev_warn(dev, "Error while trying to unregister gpio chip: %d\n", error);
+
+		return ret;
+	}
+
+	return 0;
+}
+
+static int __devinit htcpld_setup_chips(struct platform_device *pdev)
+{
+	struct htcpld_data *htcpld;
+	struct device *dev = &pdev->dev;
+	struct htcpld_core_platform_data *pdata;
+	int i;
+
+	/* Get the platform and driver data */
+	pdata = dev->platform_data;
+	htcpld = platform_get_drvdata(pdev);
+
+	/* Setup each chip's output GPIOs */
+	htcpld->nchips = pdata->num_chip;
+	htcpld->chip = kzalloc(sizeof(struct htcpld_chip) * htcpld->nchips,
+			       GFP_KERNEL);
+	if (!htcpld->chip) {
+		dev_warn(dev, "Unable to allocate memory for chips\n");
+		return -ENOMEM;
+	}
+
+	/* Add the chips as best we can */
+	for (i = 0; i < htcpld->nchips; i++) {
+		int ret;
+
+		/* Setup the HTCPLD chips */
+		htcpld->chip[i].reset = pdata->chip[i].reset;
+		htcpld->chip[i].cache_out = pdata->chip[i].reset;
+		htcpld->chip[i].cache_in = 0;
+		htcpld->chip[i].dev = dev;
+		htcpld->chip[i].irq_start = pdata->chip[i].irq_base;
+		htcpld->chip[i].nirqs = pdata->chip[i].num_irqs;
+
+		INIT_WORK(&(htcpld->chip[i].set_val_work), &htcpld_chip_set_ni);
+		spin_lock_init(&(htcpld->chip[i].lock));
+
+		/* Setup the interrupts for the chip */
+		if (htcpld->chained_irq) {
+			ret = htcpld_setup_chip_irq(pdev, i);
+			if (ret)
+				continue;
+		}
+
+		/* Register the chip with I2C */
+		ret = htcpld_register_chip_i2c(pdev, i);
+		if (ret)
+			continue;
+
+
+		/* Register the chips with the GPIO subsystem */
+		ret = htcpld_register_chip_gpio(pdev, i);
+		if (ret) {
+			/* Unregister the chip from i2c and continue */
+			htcpld_unregister_chip_i2c(pdev, i);
+			continue;
+		}
+
+		dev_info(dev, "Registered chip at 0x%x\n", pdata->chip[i].addr);
+	}
+
+	return 0;
+}
+
+static int __devinit htcpld_core_probe(struct platform_device *pdev)
+{
+	struct htcpld_data *htcpld;
+	struct device *dev = &pdev->dev;
+	struct htcpld_core_platform_data *pdata;
+	struct resource *res;
+	int ret = 0;
+
+	if (!dev)
+		return -ENODEV;
+
+	pdata = dev->platform_data;
+	if (!pdata) {
+		dev_warn(dev, "Platform data not found for htcpld core!\n");
+		return -ENXIO;
+	}
+
+	htcpld = kzalloc(sizeof(struct htcpld_data), GFP_KERNEL);
+	if (!htcpld)
+		return -ENOMEM;
+
+	/* Find chained irq */
+	ret = -EINVAL;
+	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (res) {
+		int flags;
+		htcpld->chained_irq = res->start;
+
+		/* Setup the chained interrupt handler */
+		flags = IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING;
+		ret = request_threaded_irq(htcpld->chained_irq,
+					   NULL, htcpld_handler,
+					   flags, pdev->name, htcpld);
+		if (ret) {
+			dev_warn(dev, "Unable to setup chained irq handler: %d\n", ret);
+			goto fail;
+		} else
+			device_init_wakeup(dev, 0);
+	}
+
+	/* Set the driver data */
+	platform_set_drvdata(pdev, htcpld);
+
+	/* Setup the htcpld chips */
+	ret = htcpld_setup_chips(pdev);
+	if (ret)
+		goto fail;
+
+	/* Request the GPIO(s) for the int reset and set them up */
+	if (pdata->int_reset_gpio_hi) {
+		ret = gpio_request(pdata->int_reset_gpio_hi, "htcpld-core");
+		if (ret) {
+			/*
+			 * If it failed, that sucks, but we can probably
+			 * continue on without it.
+			 */
+			dev_warn(dev, "Unable to request int_reset_gpio_hi -- interrupts may not work\n");
+			htcpld->int_reset_gpio_hi = 0;
+		} else {
+			htcpld->int_reset_gpio_hi = pdata->int_reset_gpio_hi;
+			gpio_set_value(htcpld->int_reset_gpio_hi, 1);
+		}
+	}
+
+	if (pdata->int_reset_gpio_lo) {
+		ret = gpio_request(pdata->int_reset_gpio_lo, "htcpld-core");
+		if (ret) {
+			/*
+			 * If it failed, that sucks, but we can probably
+			 * continue on without it.
+			 */
+			dev_warn(dev, "Unable to request int_reset_gpio_lo -- interrupts may not work\n");
+			htcpld->int_reset_gpio_lo = 0;
+		} else {
+			htcpld->int_reset_gpio_lo = pdata->int_reset_gpio_lo;
+			gpio_set_value(htcpld->int_reset_gpio_lo, 0);
+		}
+	}
+
+	dev_info(dev, "Initialized successfully\n");
+	return 0;
+
+fail:
+	kfree(htcpld);
+	return ret;
+}
+
+/* The I2C Driver -- used internally */
+static const struct i2c_device_id htcpld_chip_id[] = {
+	{ "htcpld-chip", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, htcpld_chip_id);
+
+
+static struct i2c_driver htcpld_chip_driver = {
+	.driver = {
+		.name	= "htcpld-chip",
+	},
+	.id_table = htcpld_chip_id,
+};
+
+/* The Core Driver */
+static struct platform_driver htcpld_core_driver = {
+	.driver = {
+		.name = "i2c-htcpld",
+	},
+};
+
+static int __init htcpld_core_init(void)
+{
+	int ret;
+
+	/* Register the I2C Chip driver */
+	ret = i2c_add_driver(&htcpld_chip_driver);
+	if (ret)
+		return ret;
+
+	/* Probe for our chips */
+	return platform_driver_probe(&htcpld_core_driver, htcpld_core_probe);
+}
+
+static void __exit htcpld_core_exit(void)
+{
+	i2c_del_driver(&htcpld_chip_driver);
+	platform_driver_unregister(&htcpld_core_driver);
+}
+
+module_init(htcpld_core_init);
+module_exit(htcpld_core_exit);
+
+MODULE_AUTHOR("Cory Maccarrone <darkstar6262@gmail.com>");
+MODULE_DESCRIPTION("I2C HTC PLD Driver");
+MODULE_LICENSE("GPL");
+
diff --git a/drivers/mfd/lpc_sch.c b/drivers/mfd/lpc_sch.c
new file mode 100644
index 000000000000..51b2f6065a0b
--- /dev/null
+++ b/drivers/mfd/lpc_sch.c
@@ -0,0 +1,133 @@
+/*
+ *  lpc_sch.c - LPC interface for Intel Poulsbo SCH
+ *
+ *  LPC bridge function of the Intel SCH contains many other
+ *  functional units, such as Interrupt controllers, Timers,
+ *  Power Management, System Management, GPIO, RTC, and LPC
+ *  Configuration Registers.
+ *
+ *  Copyright (c) 2010 CompuLab Ltd
+ *  Author: Denis Turischev <denis@compulab.co.il>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License 2 as published
+ *  by the Free Software Foundation.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; see the file COPYING.  If not, write to
+ *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/errno.h>
+#include <linux/acpi.h>
+#include <linux/pci.h>
+#include <linux/mfd/core.h>
+
+#define SMBASE		0x40
+#define SMBUS_IO_SIZE	64
+
+#define GPIOBASE	0x44
+#define GPIO_IO_SIZE	64
+
+static struct resource smbus_sch_resource = {
+		.flags = IORESOURCE_IO,
+};
+
+
+static struct resource gpio_sch_resource = {
+		.flags = IORESOURCE_IO,
+};
+
+static struct mfd_cell lpc_sch_cells[] = {
+	{
+		.name = "isch_smbus",
+		.num_resources = 1,
+		.resources = &smbus_sch_resource,
+	},
+	{
+		.name = "sch_gpio",
+		.num_resources = 1,
+		.resources = &gpio_sch_resource,
+	},
+};
+
+static struct pci_device_id lpc_sch_ids[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SCH_LPC) },
+	{ 0, }
+};
+MODULE_DEVICE_TABLE(pci, lpc_sch_ids);
+
+static int __devinit lpc_sch_probe(struct pci_dev *dev,
+				const struct pci_device_id *id)
+{
+	unsigned int base_addr_cfg;
+	unsigned short base_addr;
+
+	pci_read_config_dword(dev, SMBASE, &base_addr_cfg);
+	if (!(base_addr_cfg & (1 << 31))) {
+		dev_err(&dev->dev, "Decode of the SMBus I/O range disabled\n");
+		return -ENODEV;
+	}
+	base_addr = (unsigned short)base_addr_cfg;
+	if (base_addr == 0) {
+		dev_err(&dev->dev, "I/O space for SMBus uninitialized\n");
+		return -ENODEV;
+	}
+
+	smbus_sch_resource.start = base_addr;
+	smbus_sch_resource.end = base_addr + SMBUS_IO_SIZE - 1;
+
+	pci_read_config_dword(dev, GPIOBASE, &base_addr_cfg);
+	if (!(base_addr_cfg & (1 << 31))) {
+		dev_err(&dev->dev, "Decode of the GPIO I/O range disabled\n");
+		return -ENODEV;
+	}
+	base_addr = (unsigned short)base_addr_cfg;
+	if (base_addr == 0) {
+		dev_err(&dev->dev, "I/O space for GPIO uninitialized\n");
+		return -ENODEV;
+	}
+
+	gpio_sch_resource.start = base_addr;
+	gpio_sch_resource.end = base_addr + GPIO_IO_SIZE - 1;
+
+	return mfd_add_devices(&dev->dev, -1,
+			lpc_sch_cells, ARRAY_SIZE(lpc_sch_cells), NULL, 0);
+}
+
+static void __devexit lpc_sch_remove(struct pci_dev *dev)
+{
+	mfd_remove_devices(&dev->dev);
+}
+
+static struct pci_driver lpc_sch_driver = {
+	.name		= "lpc_sch",
+	.id_table	= lpc_sch_ids,
+	.probe		= lpc_sch_probe,
+	.remove		= __devexit_p(lpc_sch_remove),
+};
+
+static int __init lpc_sch_init(void)
+{
+	return pci_register_driver(&lpc_sch_driver);
+}
+
+static void __exit lpc_sch_exit(void)
+{
+	pci_unregister_driver(&lpc_sch_driver);
+}
+
+module_init(lpc_sch_init);
+module_exit(lpc_sch_exit);
+
+MODULE_AUTHOR("Denis Turischev <denis@compulab.co.il>");
+MODULE_DESCRIPTION("LPC interface for Intel Poulsbo SCH");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/max8925-core.c b/drivers/mfd/max8925-core.c
new file mode 100644
index 000000000000..85d63c04749b
--- /dev/null
+++ b/drivers/mfd/max8925-core.c
@@ -0,0 +1,656 @@
+/*
+ * Base driver for Maxim MAX8925
+ *
+ * Copyright (C) 2009-2010 Marvell International Ltd.
+ *	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/max8925.h>
+
+static struct resource backlight_resources[] = {
+	{
+		.name	= "max8925-backlight",
+		.start	= MAX8925_WLED_MODE_CNTL,
+		.end	= MAX8925_WLED_CNTL,
+		.flags	= IORESOURCE_IO,
+	},
+};
+
+static struct mfd_cell backlight_devs[] = {
+	{
+		.name		= "max8925-backlight",
+		.num_resources	= 1,
+		.resources	= &backlight_resources[0],
+		.id		= -1,
+	},
+};
+
+static struct resource touch_resources[] = {
+	{
+		.name	= "max8925-tsc",
+		.start	= MAX8925_TSC_IRQ,
+		.end	= MAX8925_ADC_RES_END,
+		.flags	= IORESOURCE_IO,
+	},
+};
+
+static struct mfd_cell touch_devs[] = {
+	{
+		.name		= "max8925-touch",
+		.num_resources	= 1,
+		.resources	= &touch_resources[0],
+		.id		= -1,
+	},
+};
+
+static struct resource power_supply_resources[] = {
+	{
+		.name	= "max8925-power",
+		.start	= MAX8925_CHG_IRQ1,
+		.end	= MAX8925_CHG_IRQ1_MASK,
+		.flags	= IORESOURCE_IO,
+	},
+};
+
+static struct mfd_cell power_devs[] = {
+	{
+		.name		= "max8925-power",
+		.num_resources	= 1,
+		.resources	= &power_supply_resources[0],
+		.id		= -1,
+	},
+};
+
+static struct resource rtc_resources[] = {
+	{
+		.name	= "max8925-rtc",
+		.start	= MAX8925_RTC_IRQ,
+		.end	= MAX8925_RTC_IRQ_MASK,
+		.flags	= IORESOURCE_IO,
+	},
+};
+
+static struct mfd_cell rtc_devs[] = {
+	{
+		.name		= "max8925-rtc",
+		.num_resources	= 1,
+		.resources	= &rtc_resources[0],
+		.id		= -1,
+	},
+};
+
+#define MAX8925_REG_RESOURCE(_start, _end)	\
+{						\
+	.start	= MAX8925_##_start,		\
+	.end	= MAX8925_##_end,		\
+	.flags	= IORESOURCE_IO,		\
+}
+
+static struct resource regulator_resources[] = {
+	MAX8925_REG_RESOURCE(SDCTL1, SDCTL1),
+	MAX8925_REG_RESOURCE(SDCTL2, SDCTL2),
+	MAX8925_REG_RESOURCE(SDCTL3, SDCTL3),
+	MAX8925_REG_RESOURCE(LDOCTL1, LDOCTL1),
+	MAX8925_REG_RESOURCE(LDOCTL2, LDOCTL2),
+	MAX8925_REG_RESOURCE(LDOCTL3, LDOCTL3),
+	MAX8925_REG_RESOURCE(LDOCTL4, LDOCTL4),
+	MAX8925_REG_RESOURCE(LDOCTL5, LDOCTL5),
+	MAX8925_REG_RESOURCE(LDOCTL6, LDOCTL6),
+	MAX8925_REG_RESOURCE(LDOCTL7, LDOCTL7),
+	MAX8925_REG_RESOURCE(LDOCTL8, LDOCTL8),
+	MAX8925_REG_RESOURCE(LDOCTL9, LDOCTL9),
+	MAX8925_REG_RESOURCE(LDOCTL10, LDOCTL10),
+	MAX8925_REG_RESOURCE(LDOCTL11, LDOCTL11),
+	MAX8925_REG_RESOURCE(LDOCTL12, LDOCTL12),
+	MAX8925_REG_RESOURCE(LDOCTL13, LDOCTL13),
+	MAX8925_REG_RESOURCE(LDOCTL14, LDOCTL14),
+	MAX8925_REG_RESOURCE(LDOCTL15, LDOCTL15),
+	MAX8925_REG_RESOURCE(LDOCTL16, LDOCTL16),
+	MAX8925_REG_RESOURCE(LDOCTL17, LDOCTL17),
+	MAX8925_REG_RESOURCE(LDOCTL18, LDOCTL18),
+	MAX8925_REG_RESOURCE(LDOCTL19, LDOCTL19),
+	MAX8925_REG_RESOURCE(LDOCTL20, LDOCTL20),
+};
+
+#define MAX8925_REG_DEVS(_id)						\
+{									\
+	.name		= "max8925-regulator",				\
+	.num_resources	= 1,						\
+	.resources	= &regulator_resources[MAX8925_ID_##_id],	\
+	.id		= MAX8925_ID_##_id,				\
+}
+
+static struct mfd_cell regulator_devs[] = {
+	MAX8925_REG_DEVS(SD1),
+	MAX8925_REG_DEVS(SD2),
+	MAX8925_REG_DEVS(SD3),
+	MAX8925_REG_DEVS(LDO1),
+	MAX8925_REG_DEVS(LDO2),
+	MAX8925_REG_DEVS(LDO3),
+	MAX8925_REG_DEVS(LDO4),
+	MAX8925_REG_DEVS(LDO5),
+	MAX8925_REG_DEVS(LDO6),
+	MAX8925_REG_DEVS(LDO7),
+	MAX8925_REG_DEVS(LDO8),
+	MAX8925_REG_DEVS(LDO9),
+	MAX8925_REG_DEVS(LDO10),
+	MAX8925_REG_DEVS(LDO11),
+	MAX8925_REG_DEVS(LDO12),
+	MAX8925_REG_DEVS(LDO13),
+	MAX8925_REG_DEVS(LDO14),
+	MAX8925_REG_DEVS(LDO15),
+	MAX8925_REG_DEVS(LDO16),
+	MAX8925_REG_DEVS(LDO17),
+	MAX8925_REG_DEVS(LDO18),
+	MAX8925_REG_DEVS(LDO19),
+	MAX8925_REG_DEVS(LDO20),
+};
+
+enum {
+	FLAGS_ADC = 1,	/* register in ADC component */
+	FLAGS_RTC,	/* register in RTC component */
+};
+
+struct max8925_irq_data {
+	int	reg;
+	int	mask_reg;
+	int	enable;		/* enable or not */
+	int	offs;		/* bit offset in mask register */
+	int	flags;
+	int	tsc_irq;
+};
+
+static struct max8925_irq_data max8925_irqs[] = {
+	[MAX8925_IRQ_VCHG_DC_OVP] = {
+		.reg		= MAX8925_CHG_IRQ1,
+		.mask_reg	= MAX8925_CHG_IRQ1_MASK,
+		.offs		= 1 << 0,
+	},
+	[MAX8925_IRQ_VCHG_DC_F] = {
+		.reg		= MAX8925_CHG_IRQ1,
+		.mask_reg	= MAX8925_CHG_IRQ1_MASK,
+		.offs		= 1 << 1,
+	},
+	[MAX8925_IRQ_VCHG_DC_R] = {
+		.reg		= MAX8925_CHG_IRQ1,
+		.mask_reg	= MAX8925_CHG_IRQ1_MASK,
+		.offs		= 1 << 2,
+	},
+	[MAX8925_IRQ_VCHG_USB_OVP] = {
+		.reg		= MAX8925_CHG_IRQ1,
+		.mask_reg	= MAX8925_CHG_IRQ1_MASK,
+		.offs		= 1 << 3,
+	},
+	[MAX8925_IRQ_VCHG_USB_F] =  {
+		.reg		= MAX8925_CHG_IRQ1,
+		.mask_reg	= MAX8925_CHG_IRQ1_MASK,
+		.offs		= 1 << 4,
+	},
+	[MAX8925_IRQ_VCHG_USB_R] = {
+		.reg		= MAX8925_CHG_IRQ1,
+		.mask_reg	= MAX8925_CHG_IRQ1_MASK,
+		.offs		= 1 << 5,
+	},
+	[MAX8925_IRQ_VCHG_THM_OK_R] = {
+		.reg		= MAX8925_CHG_IRQ2,
+		.mask_reg	= MAX8925_CHG_IRQ2_MASK,
+		.offs		= 1 << 0,
+	},
+	[MAX8925_IRQ_VCHG_THM_OK_F] = {
+		.reg		= MAX8925_CHG_IRQ2,
+		.mask_reg	= MAX8925_CHG_IRQ2_MASK,
+		.offs		= 1 << 1,
+	},
+	[MAX8925_IRQ_VCHG_SYSLOW_F] = {
+		.reg		= MAX8925_CHG_IRQ2,
+		.mask_reg	= MAX8925_CHG_IRQ2_MASK,
+		.offs		= 1 << 2,
+	},
+	[MAX8925_IRQ_VCHG_SYSLOW_R] = {
+		.reg		= MAX8925_CHG_IRQ2,
+		.mask_reg	= MAX8925_CHG_IRQ2_MASK,
+		.offs		= 1 << 3,
+	},
+	[MAX8925_IRQ_VCHG_RST] = {
+		.reg		= MAX8925_CHG_IRQ2,
+		.mask_reg	= MAX8925_CHG_IRQ2_MASK,
+		.offs		= 1 << 4,
+	},
+	[MAX8925_IRQ_VCHG_DONE] = {
+		.reg		= MAX8925_CHG_IRQ2,
+		.mask_reg	= MAX8925_CHG_IRQ2_MASK,
+		.offs		= 1 << 5,
+	},
+	[MAX8925_IRQ_VCHG_TOPOFF] = {
+		.reg		= MAX8925_CHG_IRQ2,
+		.mask_reg	= MAX8925_CHG_IRQ2_MASK,
+		.offs		= 1 << 6,
+	},
+	[MAX8925_IRQ_VCHG_TMR_FAULT] = {
+		.reg		= MAX8925_CHG_IRQ2,
+		.mask_reg	= MAX8925_CHG_IRQ2_MASK,
+		.offs		= 1 << 7,
+	},
+	[MAX8925_IRQ_GPM_RSTIN] = {
+		.reg		= MAX8925_ON_OFF_IRQ1,
+		.mask_reg	= MAX8925_ON_OFF_IRQ1_MASK,
+		.offs		= 1 << 0,
+	},
+	[MAX8925_IRQ_GPM_MPL] = {
+		.reg		= MAX8925_ON_OFF_IRQ1,
+		.mask_reg	= MAX8925_ON_OFF_IRQ1_MASK,
+		.offs		= 1 << 1,
+	},
+	[MAX8925_IRQ_GPM_SW_3SEC] = {
+		.reg		= MAX8925_ON_OFF_IRQ1,
+		.mask_reg	= MAX8925_ON_OFF_IRQ1_MASK,
+		.offs		= 1 << 2,
+	},
+	[MAX8925_IRQ_GPM_EXTON_F] = {
+		.reg		= MAX8925_ON_OFF_IRQ1,
+		.mask_reg	= MAX8925_ON_OFF_IRQ1_MASK,
+		.offs		= 1 << 3,
+	},
+	[MAX8925_IRQ_GPM_EXTON_R] = {
+		.reg		= MAX8925_ON_OFF_IRQ1,
+		.mask_reg	= MAX8925_ON_OFF_IRQ1_MASK,
+		.offs		= 1 << 4,
+	},
+	[MAX8925_IRQ_GPM_SW_1SEC] = {
+		.reg		= MAX8925_ON_OFF_IRQ1,
+		.mask_reg	= MAX8925_ON_OFF_IRQ1_MASK,
+		.offs		= 1 << 5,
+	},
+	[MAX8925_IRQ_GPM_SW_F] = {
+		.reg		= MAX8925_ON_OFF_IRQ1,
+		.mask_reg	= MAX8925_ON_OFF_IRQ1_MASK,
+		.offs		= 1 << 6,
+	},
+	[MAX8925_IRQ_GPM_SW_R] = {
+		.reg		= MAX8925_ON_OFF_IRQ1,
+		.mask_reg	= MAX8925_ON_OFF_IRQ1_MASK,
+		.offs		= 1 << 7,
+	},
+	[MAX8925_IRQ_GPM_SYSCKEN_F] = {
+		.reg		= MAX8925_ON_OFF_IRQ2,
+		.mask_reg	= MAX8925_ON_OFF_IRQ2_MASK,
+		.offs		= 1 << 0,
+	},
+	[MAX8925_IRQ_GPM_SYSCKEN_R] = {
+		.reg		= MAX8925_ON_OFF_IRQ2,
+		.mask_reg	= MAX8925_ON_OFF_IRQ2_MASK,
+		.offs		= 1 << 1,
+	},
+	[MAX8925_IRQ_RTC_ALARM1] = {
+		.reg		= MAX8925_RTC_IRQ,
+		.mask_reg	= MAX8925_RTC_IRQ_MASK,
+		.offs		= 1 << 2,
+		.flags		= FLAGS_RTC,
+	},
+	[MAX8925_IRQ_RTC_ALARM0] = {
+		.reg		= MAX8925_RTC_IRQ,
+		.mask_reg	= MAX8925_RTC_IRQ_MASK,
+		.offs		= 1 << 3,
+		.flags		= FLAGS_RTC,
+	},
+	[MAX8925_IRQ_TSC_STICK] = {
+		.reg		= MAX8925_TSC_IRQ,
+		.mask_reg	= MAX8925_TSC_IRQ_MASK,
+		.offs		= 1 << 0,
+		.flags		= FLAGS_ADC,
+		.tsc_irq	= 1,
+	},
+	[MAX8925_IRQ_TSC_NSTICK] = {
+		.reg		= MAX8925_TSC_IRQ,
+		.mask_reg	= MAX8925_TSC_IRQ_MASK,
+		.offs		= 1 << 1,
+		.flags		= FLAGS_ADC,
+		.tsc_irq	= 1,
+	},
+};
+
+static inline struct max8925_irq_data *irq_to_max8925(struct max8925_chip *chip,
+						      int irq)
+{
+	return &max8925_irqs[irq - chip->irq_base];
+}
+
+static irqreturn_t max8925_irq(int irq, void *data)
+{
+	struct max8925_chip *chip = data;
+	struct max8925_irq_data *irq_data;
+	struct i2c_client *i2c;
+	int read_reg = -1, value = 0;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(max8925_irqs); i++) {
+		irq_data = &max8925_irqs[i];
+		/* TSC IRQ should be serviced in max8925_tsc_irq() */
+		if (irq_data->tsc_irq)
+			continue;
+		if (irq_data->flags == FLAGS_RTC)
+			i2c = chip->rtc;
+		else if (irq_data->flags == FLAGS_ADC)
+			i2c = chip->adc;
+		else
+			i2c = chip->i2c;
+		if (read_reg != irq_data->reg) {
+			read_reg = irq_data->reg;
+			value = max8925_reg_read(i2c, irq_data->reg);
+		}
+		if (value & irq_data->enable)
+			handle_nested_irq(chip->irq_base + i);
+	}
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t max8925_tsc_irq(int irq, void *data)
+{
+	struct max8925_chip *chip = data;
+	struct max8925_irq_data *irq_data;
+	struct i2c_client *i2c;
+	int read_reg = -1, value = 0;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(max8925_irqs); i++) {
+		irq_data = &max8925_irqs[i];
+		/* non TSC IRQ should be serviced in max8925_irq() */
+		if (!irq_data->tsc_irq)
+			continue;
+		if (irq_data->flags == FLAGS_RTC)
+			i2c = chip->rtc;
+		else if (irq_data->flags == FLAGS_ADC)
+			i2c = chip->adc;
+		else
+			i2c = chip->i2c;
+		if (read_reg != irq_data->reg) {
+			read_reg = irq_data->reg;
+			value = max8925_reg_read(i2c, irq_data->reg);
+		}
+		if (value & irq_data->enable)
+			handle_nested_irq(chip->irq_base + i);
+	}
+	return IRQ_HANDLED;
+}
+
+static void max8925_irq_lock(unsigned int irq)
+{
+	struct max8925_chip *chip = get_irq_chip_data(irq);
+
+	mutex_lock(&chip->irq_lock);
+}
+
+static void max8925_irq_sync_unlock(unsigned int irq)
+{
+	struct max8925_chip *chip = get_irq_chip_data(irq);
+	struct max8925_irq_data *irq_data;
+	static unsigned char cache_chg[2] = {0xff, 0xff};
+	static unsigned char cache_on[2] = {0xff, 0xff};
+	static unsigned char cache_rtc = 0xff, cache_tsc = 0xff;
+	unsigned char irq_chg[2], irq_on[2];
+	unsigned char irq_rtc, irq_tsc;
+	int i;
+
+	/* Load cached value. In initial, all IRQs are masked */
+	irq_chg[0] = cache_chg[0];
+	irq_chg[1] = cache_chg[1];
+	irq_on[0] = cache_on[0];
+	irq_on[1] = cache_on[1];
+	irq_rtc = cache_rtc;
+	irq_tsc = cache_tsc;
+	for (i = 0; i < ARRAY_SIZE(max8925_irqs); i++) {
+		irq_data = &max8925_irqs[i];
+		switch (irq_data->mask_reg) {
+		case MAX8925_CHG_IRQ1_MASK:
+			irq_chg[0] &= irq_data->enable;
+			break;
+		case MAX8925_CHG_IRQ2_MASK:
+			irq_chg[1] &= irq_data->enable;
+			break;
+		case MAX8925_ON_OFF_IRQ1_MASK:
+			irq_on[0] &= irq_data->enable;
+			break;
+		case MAX8925_ON_OFF_IRQ2_MASK:
+			irq_on[1] &= irq_data->enable;
+			break;
+		case MAX8925_RTC_IRQ_MASK:
+			irq_rtc &= irq_data->enable;
+			break;
+		case MAX8925_TSC_IRQ_MASK:
+			irq_tsc &= irq_data->enable;
+			break;
+		default:
+			dev_err(chip->dev, "wrong IRQ\n");
+			break;
+		}
+	}
+	/* update mask into registers */
+	if (cache_chg[0] != irq_chg[0]) {
+		cache_chg[0] = irq_chg[0];
+		max8925_reg_write(chip->i2c, MAX8925_CHG_IRQ1_MASK,
+			irq_chg[0]);
+	}
+	if (cache_chg[1] != irq_chg[1]) {
+		cache_chg[1] = irq_chg[1];
+		max8925_reg_write(chip->i2c, MAX8925_CHG_IRQ2_MASK,
+			irq_chg[1]);
+	}
+	if (cache_on[0] != irq_on[0]) {
+		cache_on[0] = irq_on[0];
+		max8925_reg_write(chip->i2c, MAX8925_ON_OFF_IRQ1_MASK,
+				irq_on[0]);
+	}
+	if (cache_on[1] != irq_on[1]) {
+		cache_on[1] = irq_on[1];
+		max8925_reg_write(chip->i2c, MAX8925_ON_OFF_IRQ2_MASK,
+				irq_on[1]);
+	}
+	if (cache_rtc != irq_rtc) {
+		cache_rtc = irq_rtc;
+		max8925_reg_write(chip->rtc, MAX8925_RTC_IRQ_MASK, irq_rtc);
+	}
+	if (cache_tsc != irq_tsc) {
+		cache_tsc = irq_tsc;
+		max8925_reg_write(chip->adc, MAX8925_TSC_IRQ_MASK, irq_tsc);
+	}
+
+	mutex_unlock(&chip->irq_lock);
+}
+
+static void max8925_irq_enable(unsigned int irq)
+{
+	struct max8925_chip *chip = get_irq_chip_data(irq);
+	max8925_irqs[irq - chip->irq_base].enable
+		= max8925_irqs[irq - chip->irq_base].offs;
+}
+
+static void max8925_irq_disable(unsigned int irq)
+{
+	struct max8925_chip *chip = get_irq_chip_data(irq);
+	max8925_irqs[irq - chip->irq_base].enable = 0;
+}
+
+static struct irq_chip max8925_irq_chip = {
+	.name		= "max8925",
+	.bus_lock	= max8925_irq_lock,
+	.bus_sync_unlock = max8925_irq_sync_unlock,
+	.enable		= max8925_irq_enable,
+	.disable	= max8925_irq_disable,
+};
+
+static int max8925_irq_init(struct max8925_chip *chip, int irq,
+			    struct max8925_platform_data *pdata)
+{
+	unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
+	struct irq_desc *desc;
+	int i, ret;
+	int __irq;
+
+	if (!pdata || !pdata->irq_base) {
+		dev_warn(chip->dev, "No interrupt support on IRQ base\n");
+		return -EINVAL;
+	}
+	/* clear all interrupts */
+	max8925_reg_read(chip->i2c, MAX8925_CHG_IRQ1);
+	max8925_reg_read(chip->i2c, MAX8925_CHG_IRQ2);
+	max8925_reg_read(chip->i2c, MAX8925_ON_OFF_IRQ1);
+	max8925_reg_read(chip->i2c, MAX8925_ON_OFF_IRQ2);
+	max8925_reg_read(chip->rtc, MAX8925_RTC_IRQ);
+	max8925_reg_read(chip->adc, MAX8925_TSC_IRQ);
+	/* mask all interrupts */
+	max8925_reg_write(chip->rtc, MAX8925_ALARM0_CNTL, 0);
+	max8925_reg_write(chip->rtc, MAX8925_ALARM1_CNTL, 0);
+	max8925_reg_write(chip->i2c, MAX8925_CHG_IRQ1_MASK, 0xff);
+	max8925_reg_write(chip->i2c, MAX8925_CHG_IRQ2_MASK, 0xff);
+	max8925_reg_write(chip->i2c, MAX8925_ON_OFF_IRQ1_MASK, 0xff);
+	max8925_reg_write(chip->i2c, MAX8925_ON_OFF_IRQ2_MASK, 0xff);
+	max8925_reg_write(chip->rtc, MAX8925_RTC_IRQ_MASK, 0xff);
+	max8925_reg_write(chip->adc, MAX8925_TSC_IRQ_MASK, 0xff);
+
+	mutex_init(&chip->irq_lock);
+	chip->core_irq = irq;
+	chip->irq_base = pdata->irq_base;
+	desc = irq_to_desc(chip->core_irq);
+
+	/* register with genirq */
+	for (i = 0; i < ARRAY_SIZE(max8925_irqs); i++) {
+		__irq = i + chip->irq_base;
+		set_irq_chip_data(__irq, chip);
+		set_irq_chip_and_handler(__irq, &max8925_irq_chip,
+					 handle_edge_irq);
+		set_irq_nested_thread(__irq, 1);
+#ifdef CONFIG_ARM
+		set_irq_flags(__irq, IRQF_VALID);
+#else
+		set_irq_noprobe(__irq);
+#endif
+	}
+	if (!irq) {
+		dev_warn(chip->dev, "No interrupt support on core IRQ\n");
+		goto tsc_irq;
+	}
+
+	ret = request_threaded_irq(irq, NULL, max8925_irq, flags,
+				   "max8925", chip);
+	if (ret) {
+		dev_err(chip->dev, "Failed to request core IRQ: %d\n", ret);
+		chip->core_irq = 0;
+	}
+tsc_irq:
+	if (!pdata->tsc_irq) {
+		dev_warn(chip->dev, "No interrupt support on TSC IRQ\n");
+		return 0;
+	}
+	chip->tsc_irq = pdata->tsc_irq;
+
+	ret = request_threaded_irq(chip->tsc_irq, NULL, max8925_tsc_irq,
+				   flags, "max8925-tsc", chip);
+	if (ret) {
+		dev_err(chip->dev, "Failed to request TSC IRQ: %d\n", ret);
+		chip->tsc_irq = 0;
+	}
+	return 0;
+}
+
+int __devinit max8925_device_init(struct max8925_chip *chip,
+				  struct max8925_platform_data *pdata)
+{
+	int ret;
+
+	max8925_irq_init(chip, chip->i2c->irq, pdata);
+
+	if (pdata && (pdata->power || pdata->touch)) {
+		/* enable ADC to control internal reference */
+		max8925_set_bits(chip->i2c, MAX8925_RESET_CNFG, 1, 1);
+		/* enable internal reference for ADC */
+		max8925_set_bits(chip->adc, MAX8925_TSC_CNFG1, 3, 2);
+		/* check for internal reference IRQ */
+		do {
+			ret = max8925_reg_read(chip->adc, MAX8925_TSC_IRQ);
+		} while (ret & MAX8925_NREF_OK);
+		/* enaable ADC scheduler, interval is 1 second */
+		max8925_set_bits(chip->adc, MAX8925_ADC_SCHED, 3, 2);
+	}
+
+	/* enable Momentary Power Loss */
+	max8925_set_bits(chip->rtc, MAX8925_MPL_CNTL, 1 << 4, 1 << 4);
+
+	ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0],
+			      ARRAY_SIZE(rtc_devs),
+			      &rtc_resources[0], 0);
+	if (ret < 0) {
+		dev_err(chip->dev, "Failed to add rtc subdev\n");
+		goto out;
+	}
+	if (pdata && pdata->regulator[0]) {
+		ret = mfd_add_devices(chip->dev, 0, &regulator_devs[0],
+				      ARRAY_SIZE(regulator_devs),
+				      &regulator_resources[0], 0);
+		if (ret < 0) {
+			dev_err(chip->dev, "Failed to add regulator subdev\n");
+			goto out_dev;
+		}
+	}
+
+	if (pdata && pdata->backlight) {
+		ret = mfd_add_devices(chip->dev, 0, &backlight_devs[0],
+				      ARRAY_SIZE(backlight_devs),
+				      &backlight_resources[0], 0);
+		if (ret < 0) {
+			dev_err(chip->dev, "Failed to add backlight subdev\n");
+			goto out_dev;
+		}
+	}
+
+	if (pdata && pdata->power) {
+		ret = mfd_add_devices(chip->dev, 0, &power_devs[0],
+					ARRAY_SIZE(power_devs),
+					&power_supply_resources[0], 0);
+		if (ret < 0) {
+			dev_err(chip->dev, "Failed to add power supply "
+				"subdev\n");
+			goto out_dev;
+		}
+	}
+
+	if (pdata && pdata->touch) {
+		ret = mfd_add_devices(chip->dev, 0, &touch_devs[0],
+				      ARRAY_SIZE(touch_devs),
+				      &touch_resources[0], 0);
+		if (ret < 0) {
+			dev_err(chip->dev, "Failed to add touch subdev\n");
+			goto out_dev;
+		}
+	}
+
+	return 0;
+out_dev:
+	mfd_remove_devices(chip->dev);
+out:
+	return ret;
+}
+
+void __devexit max8925_device_exit(struct max8925_chip *chip)
+{
+	if (chip->core_irq)
+		free_irq(chip->core_irq, chip);
+	if (chip->tsc_irq)
+		free_irq(chip->tsc_irq, chip);
+	mfd_remove_devices(chip->dev);
+}
+
+
+MODULE_DESCRIPTION("PMIC Driver for Maxim MAX8925");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c
new file mode 100644
index 000000000000..c0b883c14f41
--- /dev/null
+++ b/drivers/mfd/max8925-i2c.c
@@ -0,0 +1,211 @@
+/*
+ * I2C driver for Maxim MAX8925
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ *	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/i2c.h>
+#include <linux/mfd/max8925.h>
+
+#define RTC_I2C_ADDR		0x68
+#define ADC_I2C_ADDR		0x47
+
+static inline int max8925_read_device(struct i2c_client *i2c,
+				      int reg, int bytes, void *dest)
+{
+	int ret;
+
+	if (bytes > 1)
+		ret = i2c_smbus_read_i2c_block_data(i2c, reg, bytes, dest);
+	else {
+		ret = i2c_smbus_read_byte_data(i2c, reg);
+		if (ret < 0)
+			return ret;
+		*(unsigned char *)dest = (unsigned char)ret;
+	}
+	return ret;
+}
+
+static inline int max8925_write_device(struct i2c_client *i2c,
+				       int reg, int bytes, void *src)
+{
+	unsigned char buf[bytes + 1];
+	int ret;
+
+	buf[0] = (unsigned char)reg;
+	memcpy(&buf[1], src, bytes);
+
+	ret = i2c_master_send(i2c, buf, bytes + 1);
+	if (ret < 0)
+		return ret;
+	return 0;
+}
+
+int max8925_reg_read(struct i2c_client *i2c, int reg)
+{
+	struct max8925_chip *chip = i2c_get_clientdata(i2c);
+	unsigned char data = 0;
+	int ret;
+
+	mutex_lock(&chip->io_lock);
+	ret = max8925_read_device(i2c, reg, 1, &data);
+	mutex_unlock(&chip->io_lock);
+
+	if (ret < 0)
+		return ret;
+	else
+		return (int)data;
+}
+EXPORT_SYMBOL(max8925_reg_read);
+
+int max8925_reg_write(struct i2c_client *i2c, int reg,
+		unsigned char data)
+{
+	struct max8925_chip *chip = i2c_get_clientdata(i2c);
+	int ret;
+
+	mutex_lock(&chip->io_lock);
+	ret = max8925_write_device(i2c, reg, 1, &data);
+	mutex_unlock(&chip->io_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL(max8925_reg_write);
+
+int max8925_bulk_read(struct i2c_client *i2c, int reg,
+		int count, unsigned char *buf)
+{
+	struct max8925_chip *chip = i2c_get_clientdata(i2c);
+	int ret;
+
+	mutex_lock(&chip->io_lock);
+	ret = max8925_read_device(i2c, reg, count, buf);
+	mutex_unlock(&chip->io_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL(max8925_bulk_read);
+
+int max8925_bulk_write(struct i2c_client *i2c, int reg,
+		int count, unsigned char *buf)
+{
+	struct max8925_chip *chip = i2c_get_clientdata(i2c);
+	int ret;
+
+	mutex_lock(&chip->io_lock);
+	ret = max8925_write_device(i2c, reg, count, buf);
+	mutex_unlock(&chip->io_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL(max8925_bulk_write);
+
+int max8925_set_bits(struct i2c_client *i2c, int reg,
+		unsigned char mask, unsigned char data)
+{
+	struct max8925_chip *chip = i2c_get_clientdata(i2c);
+	unsigned char value;
+	int ret;
+
+	mutex_lock(&chip->io_lock);
+	ret = max8925_read_device(i2c, reg, 1, &value);
+	if (ret < 0)
+		goto out;
+	value &= ~mask;
+	value |= data;
+	ret = max8925_write_device(i2c, reg, 1, &value);
+out:
+	mutex_unlock(&chip->io_lock);
+	return ret;
+}
+EXPORT_SYMBOL(max8925_set_bits);
+
+
+static const struct i2c_device_id max8925_id_table[] = {
+	{ "max8925", 0 },
+	{ },
+};
+MODULE_DEVICE_TABLE(i2c, max8925_id_table);
+
+static int __devinit max8925_probe(struct i2c_client *client,
+				   const struct i2c_device_id *id)
+{
+	struct max8925_platform_data *pdata = client->dev.platform_data;
+	static struct max8925_chip *chip;
+
+	if (!pdata) {
+		pr_info("%s: platform data is missing\n", __func__);
+		return -EINVAL;
+	}
+
+	chip = kzalloc(sizeof(struct max8925_chip), GFP_KERNEL);
+	if (chip == NULL)
+		return -ENOMEM;
+	chip->i2c = client;
+	chip->dev = &client->dev;
+	i2c_set_clientdata(client, chip);
+	dev_set_drvdata(chip->dev, chip);
+	mutex_init(&chip->io_lock);
+
+	chip->rtc = i2c_new_dummy(chip->i2c->adapter, RTC_I2C_ADDR);
+	i2c_set_clientdata(chip->rtc, chip);
+
+	chip->adc = i2c_new_dummy(chip->i2c->adapter, ADC_I2C_ADDR);
+	i2c_set_clientdata(chip->adc, chip);
+
+	max8925_device_init(chip, pdata);
+
+	return 0;
+}
+
+static int __devexit max8925_remove(struct i2c_client *client)
+{
+	struct max8925_chip *chip = i2c_get_clientdata(client);
+
+	max8925_device_exit(chip);
+	i2c_unregister_device(chip->adc);
+	i2c_unregister_device(chip->rtc);
+	i2c_set_clientdata(chip->adc, NULL);
+	i2c_set_clientdata(chip->rtc, NULL);
+	i2c_set_clientdata(chip->i2c, NULL);
+	kfree(chip);
+	return 0;
+}
+
+static struct i2c_driver max8925_driver = {
+	.driver	= {
+		.name	= "max8925",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= max8925_probe,
+	.remove		= __devexit_p(max8925_remove),
+	.id_table	= max8925_id_table,
+};
+
+static int __init max8925_i2c_init(void)
+{
+	int ret;
+
+	ret = i2c_add_driver(&max8925_driver);
+	if (ret != 0)
+		pr_err("Failed to register MAX8925 I2C driver: %d\n", ret);
+	return ret;
+}
+subsys_initcall(max8925_i2c_init);
+
+static void __exit max8925_i2c_exit(void)
+{
+	i2c_del_driver(&max8925_driver);
+}
+module_exit(max8925_i2c_exit);
+
+MODULE_DESCRIPTION("I2C Driver for Maxim 8925");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/mc13783-core.c b/drivers/mfd/mc13783-core.c
index 735c8a4d164f..62a847e4c2d8 100644
--- a/drivers/mfd/mc13783-core.c
+++ b/drivers/mfd/mc13783-core.c
@@ -225,7 +225,7 @@ int mc13783_reg_rmw(struct mc13783 *mc13783, unsigned int offset,
 }
 EXPORT_SYMBOL(mc13783_reg_rmw);
 
-int mc13783_mask(struct mc13783 *mc13783, int irq)
+int mc13783_irq_mask(struct mc13783 *mc13783, int irq)
 {
 	int ret;
 	unsigned int offmask = irq < 24 ? MC13783_IRQMASK0 : MC13783_IRQMASK1;
@@ -245,9 +245,9 @@ int mc13783_mask(struct mc13783 *mc13783, int irq)
 
 	return mc13783_reg_write(mc13783, offmask, mask | irqbit);
 }
-EXPORT_SYMBOL(mc13783_mask);
+EXPORT_SYMBOL(mc13783_irq_mask);
 
-int mc13783_unmask(struct mc13783 *mc13783, int irq)
+int mc13783_irq_unmask(struct mc13783 *mc13783, int irq)
 {
 	int ret;
 	unsigned int offmask = irq < 24 ? MC13783_IRQMASK0 : MC13783_IRQMASK1;
@@ -267,7 +267,53 @@ int mc13783_unmask(struct mc13783 *mc13783, int irq)
 
 	return mc13783_reg_write(mc13783, offmask, mask & ~irqbit);
 }
-EXPORT_SYMBOL(mc13783_unmask);
+EXPORT_SYMBOL(mc13783_irq_unmask);
+
+int mc13783_irq_status(struct mc13783 *mc13783, int irq,
+		int *enabled, int *pending)
+{
+	int ret;
+	unsigned int offmask = irq < 24 ? MC13783_IRQMASK0 : MC13783_IRQMASK1;
+	unsigned int offstat = irq < 24 ? MC13783_IRQSTAT0 : MC13783_IRQSTAT1;
+	u32 irqbit = 1 << (irq < 24 ? irq : irq - 24);
+
+	if (irq < 0 || irq >= MC13783_NUM_IRQ)
+		return -EINVAL;
+
+	if (enabled) {
+		u32 mask;
+
+		ret = mc13783_reg_read(mc13783, offmask, &mask);
+		if (ret)
+			return ret;
+
+		*enabled = mask & irqbit;
+	}
+
+	if (pending) {
+		u32 stat;
+
+		ret = mc13783_reg_read(mc13783, offstat, &stat);
+		if (ret)
+			return ret;
+
+		*pending = stat & irqbit;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL(mc13783_irq_status);
+
+int mc13783_irq_ack(struct mc13783 *mc13783, int irq)
+{
+	unsigned int offstat = irq < 24 ? MC13783_IRQSTAT0 : MC13783_IRQSTAT1;
+	unsigned int val = 1 << (irq < 24 ? irq : irq - 24);
+
+	BUG_ON(irq < 0 || irq >= MC13783_NUM_IRQ);
+
+	return mc13783_reg_write(mc13783, offstat, val);
+}
+EXPORT_SYMBOL(mc13783_irq_ack);
 
 int mc13783_irq_request_nounmask(struct mc13783 *mc13783, int irq,
 		irq_handler_t handler, const char *name, void *dev)
@@ -297,7 +343,7 @@ int mc13783_irq_request(struct mc13783 *mc13783, int irq,
 	if (ret)
 		return ret;
 
-	ret = mc13783_unmask(mc13783, irq);
+	ret = mc13783_irq_unmask(mc13783, irq);
 	if (ret) {
 		mc13783->irqhandler[irq] = NULL;
 		mc13783->irqdata[irq] = NULL;
@@ -317,7 +363,7 @@ int mc13783_irq_free(struct mc13783 *mc13783, int irq, void *dev)
 			mc13783->irqdata[irq] != dev)
 		return -EINVAL;
 
-	ret = mc13783_mask(mc13783, irq);
+	ret = mc13783_irq_mask(mc13783, irq);
 	if (ret)
 		return ret;
 
@@ -333,17 +379,6 @@ static inline irqreturn_t mc13783_irqhandler(struct mc13783 *mc13783, int irq)
 	return mc13783->irqhandler[irq](irq, mc13783->irqdata[irq]);
 }
 
-int mc13783_ackirq(struct mc13783 *mc13783, int irq)
-{
-	unsigned int offstat = irq < 24 ? MC13783_IRQSTAT0 : MC13783_IRQSTAT1;
-	unsigned int val = 1 << (irq < 24 ? irq : irq - 24);
-
-	BUG_ON(irq < 0 || irq >= MC13783_NUM_IRQ);
-
-	return mc13783_reg_write(mc13783, offstat, val);
-}
-EXPORT_SYMBOL(mc13783_ackirq);
-
 /*
  * returns: number of handled irqs or negative error
  * locking: holds mc13783->lock
@@ -422,7 +457,7 @@ static irqreturn_t mc13783_handler_adcdone(int irq, void *data)
 {
 	struct mc13783_adcdone_data *adcdone_data = data;
 
-	mc13783_ackirq(adcdone_data->mc13783, irq);
+	mc13783_irq_ack(adcdone_data->mc13783, irq);
 
 	complete_all(&adcdone_data->done);
 
@@ -486,7 +521,7 @@ int mc13783_adc_do_conversion(struct mc13783 *mc13783, unsigned int mode,
 	dev_dbg(&mc13783->spidev->dev, "%s: request irq\n", __func__);
 	mc13783_irq_request(mc13783, MC13783_IRQ_ADCDONE,
 			mc13783_handler_adcdone, __func__, &adcdone_data);
-	mc13783_ackirq(mc13783, MC13783_IRQ_ADCDONE);
+	mc13783_irq_ack(mc13783, MC13783_IRQ_ADCDONE);
 
 	mc13783_reg_write(mc13783, MC13783_REG_ADC_0, adc0);
 	mc13783_reg_write(mc13783, MC13783_REG_ADC_1, adc1);
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index ae15e495e20e..aa17f4bddc56 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -13,6 +13,7 @@
 
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
+#include <linux/acpi.h>
 #include <linux/mfd/core.h>
 
 static int mfd_add_device(struct device *parent, int id,
@@ -62,6 +63,10 @@ static int mfd_add_device(struct device *parent, int id,
 			res[r].start = cell->resources[r].start;
 			res[r].end   = cell->resources[r].end;
 		}
+
+		ret = acpi_check_resource_conflict(res);
+		if (ret)
+			goto fail_res;
 	}
 
 	platform_device_add_resources(pdev, res, cell->num_resources);
diff --git a/drivers/mfd/sh_mobile_sdhi.c b/drivers/mfd/sh_mobile_sdhi.c
index 03efae8041ab..468fd366d4da 100644
--- a/drivers/mfd/sh_mobile_sdhi.c
+++ b/drivers/mfd/sh_mobile_sdhi.c
@@ -21,7 +21,7 @@
 #include <linux/kernel.h>
 #include <linux/clk.h>
 #include <linux/platform_device.h>
-
+#include <linux/mmc/host.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/tmio.h>
 #include <linux/mfd/sh_mobile_sdhi.h>
@@ -95,9 +95,9 @@ static int __init sh_mobile_sdhi_probe(struct platform_device *pdev)
 
 	clk_enable(priv->clk);
 
-	/* FIXME: silly const unsigned int hclk */
-	*(unsigned int *)&priv->mmc_data.hclk = clk_get_rate(priv->clk);
+	priv->mmc_data.hclk = clk_get_rate(priv->clk);
 	priv->mmc_data.set_pwr = sh_mobile_sdhi_set_pwr;
+	priv->mmc_data.capabilities = MMC_CAP_MMC_HIGHSPEED;
 
 	memcpy(&priv->cell_mmc, &sh_mobile_sdhi_cell, sizeof(priv->cell_mmc));
 	priv->cell_mmc.driver_data = &priv->mmc_data;
diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c
index 0cc5eeff5ee8..7b6652f60117 100644
--- a/drivers/mfd/sm501.c
+++ b/drivers/mfd/sm501.c
@@ -523,7 +523,7 @@ unsigned long sm501_set_clock(struct device *dev,
 	unsigned long clock = readl(sm->regs + SM501_CURRENT_CLOCK);
 	unsigned char reg;
 	unsigned int pll_reg = 0;
-	unsigned long sm501_freq; /* the actual frequency acheived */
+	unsigned long sm501_freq; /* the actual frequency achieved */
 
 	struct sm501_clock to;
 
@@ -533,7 +533,7 @@ unsigned long sm501_set_clock(struct device *dev,
 
 	switch (clksrc) {
 	case SM501_CLOCK_P2XCLK:
-		/* This clock is divided in half so to achive the
+		/* This clock is divided in half so to achieve the
 		 * requested frequency the value must be multiplied by
 		 * 2. This clock also has an additional pre divisor */
 
@@ -562,7 +562,7 @@ unsigned long sm501_set_clock(struct device *dev,
 		break;
 
 	case SM501_CLOCK_V2XCLK:
-		/* This clock is divided in half so to achive the
+		/* This clock is divided in half so to achieve the
 		 * requested frequency the value must be multiplied by 2. */
 
 		sm501_freq = (sm501_select_clock(2 * req_freq, &to, 3) / 2);
@@ -648,7 +648,7 @@ unsigned long sm501_find_clock(struct device *dev,
 			       unsigned long req_freq)
 {
 	struct sm501_devdata *sm = dev_get_drvdata(dev);
-	unsigned long sm501_freq; /* the frequency achiveable by the 501 */
+	unsigned long sm501_freq; /* the frequency achieveable by the 501 */
 	struct sm501_clock to;
 
 	switch (clksrc) {
@@ -1440,8 +1440,7 @@ static int __devinit sm501_plat_probe(struct platform_device *dev)
 
 	platform_set_drvdata(dev, sm);
 
-	sm->regs = ioremap(sm->io_res->start,
-			   (sm->io_res->end - sm->io_res->start) - 1);
+	sm->regs = ioremap(sm->io_res->start, resource_size(sm->io_res));
 
 	if (sm->regs == NULL) {
 		dev_err(&dev->dev, "cannot remap registers\n");
diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c
index bcf4687d4af5..26d9176fca91 100644
--- a/drivers/mfd/t7l66xb.c
+++ b/drivers/mfd/t7l66xb.c
@@ -360,7 +360,7 @@ static int t7l66xb_probe(struct platform_device *dev)
 	if (ret)
 		goto err_request_scr;
 
-	t7l66xb->scr = ioremap(rscr->start, rscr->end - rscr->start + 1);
+	t7l66xb->scr = ioremap(rscr->start, resource_size(rscr));
 	if (!t7l66xb->scr) {
 		ret = -ENOMEM;
 		goto err_ioremap;
@@ -403,12 +403,12 @@ static int t7l66xb_probe(struct platform_device *dev)
 err_ioremap:
 	release_resource(&t7l66xb->rscr);
 err_request_scr:
-	kfree(t7l66xb);
 	clk_put(t7l66xb->clk48m);
 err_clk48m_get:
 	clk_put(t7l66xb->clk32k);
 err_clk32k_get:
 err_noirq:
+	kfree(t7l66xb);
 	return ret;
 }
 
diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c
index 4bc5a08a2b09..c59e5c5737d0 100644
--- a/drivers/mfd/tc6393xb.c
+++ b/drivers/mfd/tc6393xb.c
@@ -647,7 +647,7 @@ static int __devinit tc6393xb_probe(struct platform_device *dev)
 	if (ret)
 		goto err_request_scr;
 
-	tc6393xb->scr = ioremap(rscr->start, rscr->end - rscr->start + 1);
+	tc6393xb->scr = ioremap(rscr->start, resource_size(rscr));
 	if (!tc6393xb->scr) {
 		ret = -ENOMEM;
 		goto err_ioremap;
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index 19a930d06241..562cd4935e17 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -58,13 +58,6 @@
 
 #define DRIVER_NAME			"twl"
 
-#if defined(CONFIG_TWL4030_BCI_BATTERY) || \
-	defined(CONFIG_TWL4030_BCI_BATTERY_MODULE)
-#define twl_has_bci()		true
-#else
-#define twl_has_bci()		false
-#endif
-
 #if defined(CONFIG_KEYBOARD_TWL4030) || defined(CONFIG_KEYBOARD_TWL4030_MODULE)
 #define twl_has_keypad()	true
 #else
@@ -130,7 +123,7 @@
 #define TWL_NUM_SLAVES		4
 
 #if defined(CONFIG_INPUT_TWL4030_PWRBUTTON) \
-	|| defined(CONFIG_INPUT_TWL4030_PWBUTTON_MODULE)
+	|| defined(CONFIG_INPUT_TWL4030_PWRBUTTON_MODULE)
 #define twl_has_pwrbutton()	true
 #else
 #define twl_has_pwrbutton()	false
@@ -205,6 +198,7 @@
 /* subchip/slave 3 0x4B - AUDIO */
 #define TWL6030_BASEADD_AUDIO		0x0000
 #define TWL6030_BASEADD_RSV		0x0000
+#define TWL6030_BASEADD_ZERO		0x0000
 
 /* Few power values */
 #define R_CFG_BOOT			0x05
@@ -320,9 +314,11 @@ static struct twl_mapping twl6030_map[] = {
 	{ SUB_CHIP_ID1, TWL6030_BASEADD_CHARGER },
 	{ SUB_CHIP_ID1, TWL6030_BASEADD_GASGAUGE },
 	{ SUB_CHIP_ID1, TWL6030_BASEADD_PWM },
-	{ SUB_CHIP_ID2, TWL6030_BASEADD_RSV },
-	{ SUB_CHIP_ID2, TWL6030_BASEADD_RSV },
+	{ SUB_CHIP_ID0, TWL6030_BASEADD_ZERO },
+	{ SUB_CHIP_ID1, TWL6030_BASEADD_ZERO },
 
+	{ SUB_CHIP_ID2, TWL6030_BASEADD_ZERO },
+	{ SUB_CHIP_ID2, TWL6030_BASEADD_ZERO },
 	{ SUB_CHIP_ID2, TWL6030_BASEADD_RSV },
 	{ SUB_CHIP_ID2, TWL6030_BASEADD_RSV },
 	{ SUB_CHIP_ID2, TWL6030_BASEADD_RSV },
@@ -588,18 +584,6 @@ add_children(struct twl4030_platform_data *pdata, unsigned long features)
 	struct device	*child;
 	unsigned sub_chip_id;
 
-	if (twl_has_bci() && pdata->bci &&
-	    !(features & (TPS_SUBSET | TWL5031))) {
-		child = add_child(3, "twl4030_bci",
-				pdata->bci, sizeof(*pdata->bci),
-				false,
-				/* irq0 = CHG_PRES, irq1 = BCI */
-				pdata->irq_base + BCI_PRES_INTR_OFFSET,
-				pdata->irq_base + BCI_INTR_OFFSET);
-		if (IS_ERR(child))
-			return PTR_ERR(child);
-	}
-
 	if (twl_has_gpio() && pdata->gpio) {
 		child = add_child(SUB_CHIP_ID1, "twl4030_gpio",
 				pdata->gpio, sizeof(*pdata->gpio),
@@ -977,6 +961,7 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	int				status;
 	unsigned			i;
 	struct twl4030_platform_data	*pdata = client->dev.platform_data;
+	u8 temp;
 
 	if (!pdata) {
 		dev_dbg(&client->dev, "no platform data?\n");
@@ -1044,6 +1029,18 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
 			goto fail;
 	}
 
+	/* Disable TWL4030/TWL5030 I2C Pull-up on I2C1 and I2C4(SR) interface.
+	 * Program I2C_SCL_CTRL_PU(bit 0)=0, I2C_SDA_CTRL_PU (bit 2)=0,
+	 * SR_I2C_SCL_CTRL_PU(bit 4)=0 and SR_I2C_SDA_CTRL_PU(bit 6)=0.
+	 */
+
+	if (twl_class_is_4030()) {
+		twl_i2c_read_u8(TWL4030_MODULE_INTBR, &temp, REG_GPPUPDCTR1);
+		temp &= ~(SR_I2C_SDA_CTRL_PU | SR_I2C_SCL_CTRL_PU | \
+		I2C_SDA_CTRL_PU | I2C_SCL_CTRL_PU);
+		twl_i2c_write_u8(TWL4030_MODULE_INTBR, temp, REG_GPPUPDCTR1);
+	}
+
 	status = add_children(pdata, id->driver_data);
 fail:
 	if (status < 0)
diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index 0815292fdafc..7efa8789a3a2 100644
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c
@@ -405,7 +405,7 @@ static int __init twl4030_configure_resource(struct twl4030_resconfig *rconfig)
 
 	if (rconfig->remap_sleep != TWL4030_RESCONFIG_UNDEF) {
 		remap &= ~SLEEP_STATE_MASK;
-		remap |= rconfig->remap_off << SLEEP_STATE_SHIFT;
+		remap |= rconfig->remap_sleep << SLEEP_STATE_SHIFT;
 	}
 
 	err = twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
@@ -461,6 +461,56 @@ out:
 	return err;
 }
 
+int twl4030_remove_script(u8 flags)
+{
+	int err = 0;
+
+	err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, R_KEY_1,
+			R_PROTECT_KEY);
+	if (err) {
+		pr_err("twl4030: unable to unlock PROTECT_KEY\n");
+		return err;
+	}
+
+	err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, R_KEY_2,
+			R_PROTECT_KEY);
+	if (err) {
+		pr_err("twl4030: unable to unlock PROTECT_KEY\n");
+		return err;
+	}
+
+	if (flags & TWL4030_WRST_SCRIPT) {
+		err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, END_OF_SCRIPT,
+				R_SEQ_ADD_WARM);
+		if (err)
+			return err;
+	}
+	if (flags & TWL4030_WAKEUP12_SCRIPT) {
+		if (err)
+		err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, END_OF_SCRIPT,
+				R_SEQ_ADD_S2A12);
+			return err;
+	}
+	if (flags & TWL4030_WAKEUP3_SCRIPT) {
+		err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, END_OF_SCRIPT,
+				R_SEQ_ADD_S2A3);
+		if (err)
+			return err;
+	}
+	if (flags & TWL4030_SLEEP_SCRIPT) {
+		err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, END_OF_SCRIPT,
+				R_SEQ_ADD_A2S);
+		if (err)
+			return err;
+	}
+
+	err = twl_i2c_write_u8(TWL4030_MODULE_PM_MASTER, 0, R_PROTECT_KEY);
+	if (err)
+		pr_err("TWL4030 Unable to relock registers\n");
+
+	return err;
+}
+
 void __init twl4030_power_init(struct twl4030_power_data *twl4030_scripts)
 {
 	int err = 0;
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index 252b74188ec2..b281217334eb 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c
@@ -27,6 +27,7 @@
 #include <linux/mutex.h>
 #include <linux/mfd/ucb1x00.h>
 #include <linux/gpio.h>
+#include <linux/semaphore.h>
 
 #include <mach/dma.h>
 #include <mach/hardware.h>
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index 4b2021af1d96..07101e9e1cba 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -321,7 +321,6 @@ EXPORT_SYMBOL_GPL(wm831x_set_bits);
  */
 int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input)
 {
-	int tries = 10;
 	int ret, src;
 
 	mutex_lock(&wm831x->auxadc_lock);
@@ -349,13 +348,14 @@ int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input)
 		goto disable;
 	}
 
-	do {
-		msleep(1);
+	/* Ignore the result to allow us to soldier on without IRQ hookup */
+	wait_for_completion_timeout(&wm831x->auxadc_done, msecs_to_jiffies(5));
 
-		ret = wm831x_reg_read(wm831x, WM831X_AUXADC_CONTROL);
-		if (ret < 0)
-			ret = WM831X_AUX_CVT_ENA;
-	} while ((ret & WM831X_AUX_CVT_ENA) && --tries);
+	ret = wm831x_reg_read(wm831x, WM831X_AUXADC_CONTROL);
+	if (ret < 0) {
+		dev_err(wm831x->dev, "AUXADC status read failed: %d\n", ret);
+		goto disable;
+	}
 
 	if (ret & WM831X_AUX_CVT_ENA) {
 		dev_err(wm831x->dev, "Timed out reading AUXADC\n");
@@ -390,6 +390,15 @@ out:
 }
 EXPORT_SYMBOL_GPL(wm831x_auxadc_read);
 
+static irqreturn_t wm831x_auxadc_irq(int irq, void *irq_data)
+{
+	struct wm831x *wm831x = irq_data;
+
+	complete(&wm831x->auxadc_done);
+
+	return IRQ_HANDLED;
+}
+
 /**
  * wm831x_auxadc_read_uv: Read a voltage from the WM831x AUXADC
  *
@@ -1411,6 +1420,7 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
 	mutex_init(&wm831x->io_lock);
 	mutex_init(&wm831x->key_lock);
 	mutex_init(&wm831x->auxadc_lock);
+	init_completion(&wm831x->auxadc_done);
 	dev_set_drvdata(wm831x->dev, wm831x);
 
 	ret = wm831x_reg_read(wm831x, WM831X_PARENT_ID);
@@ -1449,18 +1459,33 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
 	case WM8310:
 		parent = WM8310;
 		wm831x->num_gpio = 16;
+		if (rev > 0) {
+			wm831x->has_gpio_ena = 1;
+			wm831x->has_cs_sts = 1;
+		}
+
 		dev_info(wm831x->dev, "WM8310 revision %c\n", 'A' + rev);
 		break;
 
 	case WM8311:
 		parent = WM8311;
 		wm831x->num_gpio = 16;
+		if (rev > 0) {
+			wm831x->has_gpio_ena = 1;
+			wm831x->has_cs_sts = 1;
+		}
+
 		dev_info(wm831x->dev, "WM8311 revision %c\n", 'A' + rev);
 		break;
 
 	case WM8312:
 		parent = WM8312;
 		wm831x->num_gpio = 16;
+		if (rev > 0) {
+			wm831x->has_gpio_ena = 1;
+			wm831x->has_cs_sts = 1;
+		}
+
 		dev_info(wm831x->dev, "WM8312 revision %c\n", 'A' + rev);
 		break;
 
@@ -1508,6 +1533,16 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
 	if (ret != 0)
 		goto err;
 
+	if (wm831x->irq_base) {
+		ret = request_threaded_irq(wm831x->irq_base +
+					   WM831X_IRQ_AUXADC_DATA,
+					   NULL, wm831x_auxadc_irq, 0,
+					   "auxadc", wm831x);
+		if (ret < 0)
+			dev_err(wm831x->dev, "AUXADC IRQ request failed: %d\n",
+				ret);
+	}
+
 	/* The core device is up, instantiate the subdevices. */
 	switch (parent) {
 	case WM8310:
@@ -1578,6 +1613,8 @@ static void wm831x_device_exit(struct wm831x *wm831x)
 {
 	wm831x_otp_exit(wm831x);
 	mfd_remove_devices(wm831x->dev);
+	if (wm831x->irq_base)
+		free_irq(wm831x->irq_base + WM831X_IRQ_AUXADC_DATA, wm831x);
 	wm831x_irq_exit(wm831x);
 	kfree(wm831x);
 }
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index 9a970bd68775..bd75807d5302 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -339,7 +339,6 @@ EXPORT_SYMBOL_GPL(wm8350_reg_unlock);
 int wm8350_read_auxadc(struct wm8350 *wm8350, int channel, int scale, int vref)
 {
 	u16 reg, result = 0;
-	int tries = 5;
 
 	if (channel < WM8350_AUXADC_AUX1 || channel > WM8350_AUXADC_TEMP)
 		return -EINVAL;
@@ -363,12 +362,13 @@ int wm8350_read_auxadc(struct wm8350 *wm8350, int channel, int scale, int vref)
 	reg |= 1 << channel | WM8350_AUXADC_POLL;
 	wm8350_reg_write(wm8350, WM8350_DIGITISER_CONTROL_1, reg);
 
-	do {
-		schedule_timeout_interruptible(1);
-		reg = wm8350_reg_read(wm8350, WM8350_DIGITISER_CONTROL_1);
-	} while ((reg & WM8350_AUXADC_POLL) && --tries);
+	/* We ignore the result of the completion and just check for a
+	 * conversion result, allowing us to soldier on if the IRQ
+	 * infrastructure is not set up for the chip. */
+	wait_for_completion_timeout(&wm8350->auxadc_done, msecs_to_jiffies(5));
 
-	if (!tries)
+	reg = wm8350_reg_read(wm8350, WM8350_DIGITISER_CONTROL_1);
+	if (reg & WM8350_AUXADC_POLL)
 		dev_err(wm8350->dev, "adc chn %d read timeout\n", channel);
 	else
 		result = wm8350_reg_read(wm8350,
@@ -385,6 +385,15 @@ int wm8350_read_auxadc(struct wm8350 *wm8350, int channel, int scale, int vref)
 }
 EXPORT_SYMBOL_GPL(wm8350_read_auxadc);
 
+static irqreturn_t wm8350_auxadc_irq(int irq, void *irq_data)
+{
+	struct wm8350 *wm8350 = irq_data;
+
+	complete(&wm8350->auxadc_done);
+
+	return IRQ_HANDLED;
+}
+
 /*
  * Cache is always host endian.
  */
@@ -682,11 +691,22 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
 	}
 
 	mutex_init(&wm8350->auxadc_mutex);
+	init_completion(&wm8350->auxadc_done);
 
 	ret = wm8350_irq_init(wm8350, irq, pdata);
 	if (ret < 0)
 		goto err;
 
+	if (wm8350->irq_base) {
+		ret = request_threaded_irq(wm8350->irq_base +
+					   WM8350_IRQ_AUXADC_DATARDY,
+					   NULL, wm8350_auxadc_irq, 0,
+					   "auxadc", wm8350);
+		if (ret < 0)
+			dev_warn(wm8350->dev,
+				 "Failed to request AUXADC IRQ: %d\n", ret);
+	}
+
 	if (pdata && pdata->init) {
 		ret = pdata->init(wm8350);
 		if (ret != 0) {
@@ -736,6 +756,9 @@ void wm8350_device_exit(struct wm8350 *wm8350)
 	platform_device_unregister(wm8350->gpio.pdev);
 	platform_device_unregister(wm8350->codec.pdev);
 
+	if (wm8350->irq_base)
+		free_irq(wm8350->irq_base + WM8350_IRQ_AUXADC_DATARDY, wm8350);
+
 	wm8350_irq_exit(wm8350);
 
 	kfree(wm8350->reg_cache);
diff --git a/drivers/mfd/wm8350-irq.c b/drivers/mfd/wm8350-irq.c
index 9025f29e2707..f56c9adf9493 100644
--- a/drivers/mfd/wm8350-irq.c
+++ b/drivers/mfd/wm8350-irq.c
@@ -18,7 +18,7 @@
 #include <linux/bug.h>
 #include <linux/device.h>
 #include <linux/interrupt.h>
-#include <linux/workqueue.h>
+#include <linux/irq.h>
 
 #include <linux/mfd/wm8350/core.h>
 #include <linux/mfd/wm8350/audio.h>
@@ -29,8 +29,6 @@
 #include <linux/mfd/wm8350/supply.h>
 #include <linux/mfd/wm8350/wdt.h>
 
-#define WM8350_NUM_IRQ_REGS 7
-
 #define WM8350_INT_OFFSET_1                     0
 #define WM8350_INT_OFFSET_2                     1
 #define WM8350_POWER_UP_INT_OFFSET              2
@@ -366,19 +364,10 @@ static struct wm8350_irq_data wm8350_irqs[] = {
 	},
 };
 
-static void wm8350_irq_call_handler(struct wm8350 *wm8350, int irq)
+static inline struct wm8350_irq_data *irq_to_wm8350_irq(struct wm8350 *wm8350,
+							int irq)
 {
-	mutex_lock(&wm8350->irq_mutex);
-
-	if (wm8350->irq[irq].handler)
-		wm8350->irq[irq].handler(irq, wm8350->irq[irq].data);
-	else {
-		dev_err(wm8350->dev, "irq %d nobody cared. now masked.\n",
-			irq);
-		wm8350_mask_irq(wm8350, irq);
-	}
-
-	mutex_unlock(&wm8350->irq_mutex);
+	return &wm8350_irqs[irq - wm8350->irq_base];
 }
 
 /*
@@ -386,7 +375,9 @@ static void wm8350_irq_call_handler(struct wm8350 *wm8350, int irq)
  * interrupts are clear on read the IRQ line will be reasserted and
  * the physical IRQ will be handled again if another interrupt is
  * asserted while we run - in the normal course of events this is a
- * rare occurrence so we save I2C/SPI reads.
+ * rare occurrence so we save I2C/SPI reads.  We're also assuming that
+ * it's rare to get lots of interrupts firing simultaneously so try to
+ * minimise I/O.
  */
 static irqreturn_t wm8350_irq(int irq, void *irq_data)
 {
@@ -397,7 +388,6 @@ static irqreturn_t wm8350_irq(int irq, void *irq_data)
 	struct wm8350_irq_data *data;
 	int i;
 
-	/* TODO: Use block reads to improve performance? */
 	level_one = wm8350_reg_read(wm8350, WM8350_SYSTEM_INTERRUPTS)
 		& ~wm8350_reg_read(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK);
 
@@ -416,93 +406,101 @@ static irqreturn_t wm8350_irq(int irq, void *irq_data)
 			sub_reg[data->reg] =
 				wm8350_reg_read(wm8350, WM8350_INT_STATUS_1 +
 						data->reg);
-			sub_reg[data->reg] &=
-				~wm8350_reg_read(wm8350,
-						 WM8350_INT_STATUS_1_MASK +
-						 data->reg);
+			sub_reg[data->reg] &= ~wm8350->irq_masks[data->reg];
 			read_done[data->reg] = 1;
 		}
 
 		if (sub_reg[data->reg] & data->mask)
-			wm8350_irq_call_handler(wm8350, i);
+			handle_nested_irq(wm8350->irq_base + i);
 	}
 
 	return IRQ_HANDLED;
 }
 
-int wm8350_register_irq(struct wm8350 *wm8350, int irq,
-			irq_handler_t handler, unsigned long flags,
-			const char *name, void *data)
+static void wm8350_irq_lock(unsigned int irq)
 {
-	if (irq < 0 || irq >= WM8350_NUM_IRQ || !handler)
-		return -EINVAL;
-
-	if (wm8350->irq[irq].handler)
-		return -EBUSY;
-
-	mutex_lock(&wm8350->irq_mutex);
-	wm8350->irq[irq].handler = handler;
-	wm8350->irq[irq].data = data;
-	mutex_unlock(&wm8350->irq_mutex);
-
-	wm8350_unmask_irq(wm8350, irq);
+	struct wm8350 *wm8350 = get_irq_chip_data(irq);
 
-	return 0;
+	mutex_lock(&wm8350->irq_lock);
 }
-EXPORT_SYMBOL_GPL(wm8350_register_irq);
 
-int wm8350_free_irq(struct wm8350 *wm8350, int irq)
+static void wm8350_irq_sync_unlock(unsigned int irq)
 {
-	if (irq < 0 || irq >= WM8350_NUM_IRQ)
-		return -EINVAL;
+	struct wm8350 *wm8350 = get_irq_chip_data(irq);
+	int i;
 
-	wm8350_mask_irq(wm8350, irq);
+	for (i = 0; i < ARRAY_SIZE(wm8350->irq_masks); i++) {
+		/* If there's been a change in the mask write it back
+		 * to the hardware. */
+		if (wm8350->irq_masks[i] !=
+		    wm8350->reg_cache[WM8350_INT_STATUS_1_MASK + i])
+			WARN_ON(wm8350_reg_write(wm8350,
+					 WM8350_INT_STATUS_1_MASK + i,
+						 wm8350->irq_masks[i]));
+	}
 
-	mutex_lock(&wm8350->irq_mutex);
-	wm8350->irq[irq].handler = NULL;
-	mutex_unlock(&wm8350->irq_mutex);
-	return 0;
+	mutex_unlock(&wm8350->irq_lock);
 }
-EXPORT_SYMBOL_GPL(wm8350_free_irq);
 
-int wm8350_mask_irq(struct wm8350 *wm8350, int irq)
+static void wm8350_irq_enable(unsigned int irq)
 {
-	return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK +
-			       wm8350_irqs[irq].reg,
-			       wm8350_irqs[irq].mask);
+	struct wm8350 *wm8350 = get_irq_chip_data(irq);
+	struct wm8350_irq_data *irq_data = irq_to_wm8350_irq(wm8350, irq);
+
+	wm8350->irq_masks[irq_data->reg] &= ~irq_data->mask;
 }
-EXPORT_SYMBOL_GPL(wm8350_mask_irq);
 
-int wm8350_unmask_irq(struct wm8350 *wm8350, int irq)
+static void wm8350_irq_disable(unsigned int irq)
 {
-	return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK +
-				 wm8350_irqs[irq].reg,
-				 wm8350_irqs[irq].mask);
+	struct wm8350 *wm8350 = get_irq_chip_data(irq);
+	struct wm8350_irq_data *irq_data = irq_to_wm8350_irq(wm8350, irq);
+
+	wm8350->irq_masks[irq_data->reg] |= irq_data->mask;
 }
-EXPORT_SYMBOL_GPL(wm8350_unmask_irq);
+
+static struct irq_chip wm8350_irq_chip = {
+	.name = "wm8350",
+	.bus_lock = wm8350_irq_lock,
+	.bus_sync_unlock = wm8350_irq_sync_unlock,
+	.disable = wm8350_irq_disable,
+	.enable = wm8350_irq_enable,
+};
 
 int wm8350_irq_init(struct wm8350 *wm8350, int irq,
 		    struct wm8350_platform_data *pdata)
 {
-	int ret;
+	int ret, cur_irq, i;
 	int flags = IRQF_ONESHOT;
 
 	if (!irq) {
-		dev_err(wm8350->dev, "No IRQ configured\n");
-		return -EINVAL;
+		dev_warn(wm8350->dev, "No interrupt support, no core IRQ\n");
+		return 0;
+	}
+
+	if (!pdata || !pdata->irq_base) {
+		dev_warn(wm8350->dev, "No interrupt support, no IRQ base\n");
+		return 0;
 	}
 
+	/* Mask top level interrupts */
 	wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0xFFFF);
-	wm8350_reg_write(wm8350, WM8350_INT_STATUS_1_MASK, 0xFFFF);
-	wm8350_reg_write(wm8350, WM8350_INT_STATUS_2_MASK, 0xFFFF);
-	wm8350_reg_write(wm8350, WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, 0xFFFF);
-	wm8350_reg_write(wm8350, WM8350_GPIO_INT_STATUS_MASK, 0xFFFF);
-	wm8350_reg_write(wm8350, WM8350_COMPARATOR_INT_STATUS_MASK, 0xFFFF);
 
-	mutex_init(&wm8350->irq_mutex);
+	/* Mask all individual interrupts by default and cache the
+	 * masks.  We read the masks back since there are unwritable
+	 * bits in the mask registers. */
+	for (i = 0; i < ARRAY_SIZE(wm8350->irq_masks); i++) {
+		wm8350_reg_write(wm8350, WM8350_INT_STATUS_1_MASK + i,
+				 0xFFFF);
+		wm8350->irq_masks[i] =
+			wm8350_reg_read(wm8350,
+					WM8350_INT_STATUS_1_MASK + i);
+	}
+
+	mutex_init(&wm8350->irq_lock);
 	wm8350->chip_irq = irq;
+	wm8350->irq_base = pdata->irq_base;
 
-	if (pdata && pdata->irq_high) {
+	if (pdata->irq_high) {
 		flags |= IRQF_TRIGGER_HIGH;
 
 		wm8350_set_bits(wm8350, WM8350_SYSTEM_CONTROL_1,
@@ -514,11 +512,32 @@ int wm8350_irq_init(struct wm8350 *wm8350, int irq,
 				  WM8350_IRQ_POL);
 	}
 
+	/* Register with genirq */
+	for (cur_irq = wm8350->irq_base;
+	     cur_irq < ARRAY_SIZE(wm8350_irqs) + wm8350->irq_base;
+	     cur_irq++) {
+		set_irq_chip_data(cur_irq, wm8350);
+		set_irq_chip_and_handler(cur_irq, &wm8350_irq_chip,
+					 handle_edge_irq);
+		set_irq_nested_thread(cur_irq, 1);
+
+		/* ARM needs us to explicitly flag the IRQ as valid
+		 * and will set them noprobe when we do so. */
+#ifdef CONFIG_ARM
+		set_irq_flags(cur_irq, IRQF_VALID);
+#else
+		set_irq_noprobe(cur_irq);
+#endif
+	}
+
 	ret = request_threaded_irq(irq, NULL, wm8350_irq, flags,
 				   "wm8350", wm8350);
 	if (ret != 0)
 		dev_err(wm8350->dev, "Failed to request IRQ: %d\n", ret);
 
+	/* Allow interrupts to fire */
+	wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0);
+
 	return ret;
 }
 
diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c
new file mode 100644
index 000000000000..844e1c1b7d90
--- /dev/null
+++ b/drivers/mfd/wm8994-core.c
@@ -0,0 +1,537 @@
+/*
+ * wm8994-core.c  --  Device access for Wolfson WM8994
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/delay.h>
+#include <linux/mfd/core.h>
+#include <linux/regulator/consumer.h>
+#include <linux/regulator/machine.h>
+
+#include <linux/mfd/wm8994/core.h>
+#include <linux/mfd/wm8994/pdata.h>
+#include <linux/mfd/wm8994/registers.h>
+
+static int wm8994_read(struct wm8994 *wm8994, unsigned short reg,
+		       int bytes, void *dest)
+{
+	int ret, i;
+	u16 *buf = dest;
+
+	BUG_ON(bytes % 2);
+	BUG_ON(bytes <= 0);
+
+	ret = wm8994->read_dev(wm8994, reg, bytes, dest);
+	if (ret < 0)
+		return ret;
+
+	for (i = 0; i < bytes / 2; i++) {
+		buf[i] = be16_to_cpu(buf[i]);
+
+		dev_vdbg(wm8994->dev, "Read %04x from R%d(0x%x)\n",
+			 buf[i], reg + i, reg + i);
+	}
+
+	return 0;
+}
+
+/**
+ * wm8994_reg_read: Read a single WM8994 register.
+ *
+ * @wm8994: Device to read from.
+ * @reg: Register to read.
+ */
+int wm8994_reg_read(struct wm8994 *wm8994, unsigned short reg)
+{
+	unsigned short val;
+	int ret;
+
+	mutex_lock(&wm8994->io_lock);
+
+	ret = wm8994_read(wm8994, reg, 2, &val);
+
+	mutex_unlock(&wm8994->io_lock);
+
+	if (ret < 0)
+		return ret;
+	else
+		return val;
+}
+EXPORT_SYMBOL_GPL(wm8994_reg_read);
+
+/**
+ * wm8994_bulk_read: Read multiple WM8994 registers
+ *
+ * @wm8994: Device to read from
+ * @reg: First register
+ * @count: Number of registers
+ * @buf: Buffer to fill.
+ */
+int wm8994_bulk_read(struct wm8994 *wm8994, unsigned short reg,
+		     int count, u16 *buf)
+{
+	int ret;
+
+	mutex_lock(&wm8994->io_lock);
+
+	ret = wm8994_read(wm8994, reg, count * 2, buf);
+
+	mutex_unlock(&wm8994->io_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(wm8994_bulk_read);
+
+static int wm8994_write(struct wm8994 *wm8994, unsigned short reg,
+			int bytes, void *src)
+{
+	u16 *buf = src;
+	int i;
+
+	BUG_ON(bytes % 2);
+	BUG_ON(bytes <= 0);
+
+	for (i = 0; i < bytes / 2; i++) {
+		dev_vdbg(wm8994->dev, "Write %04x to R%d(0x%x)\n",
+			 buf[i], reg + i, reg + i);
+
+		buf[i] = cpu_to_be16(buf[i]);
+	}
+
+	return wm8994->write_dev(wm8994, reg, bytes, src);
+}
+
+/**
+ * wm8994_reg_write: Write a single WM8994 register.
+ *
+ * @wm8994: Device to write to.
+ * @reg: Register to write to.
+ * @val: Value to write.
+ */
+int wm8994_reg_write(struct wm8994 *wm8994, unsigned short reg,
+		     unsigned short val)
+{
+	int ret;
+
+	mutex_lock(&wm8994->io_lock);
+
+	ret = wm8994_write(wm8994, reg, 2, &val);
+
+	mutex_unlock(&wm8994->io_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(wm8994_reg_write);
+
+/**
+ * wm8994_set_bits: Set the value of a bitfield in a WM8994 register
+ *
+ * @wm8994: Device to write to.
+ * @reg: Register to write to.
+ * @mask: Mask of bits to set.
+ * @val: Value to set (unshifted)
+ */
+int wm8994_set_bits(struct wm8994 *wm8994, unsigned short reg,
+		    unsigned short mask, unsigned short val)
+{
+	int ret;
+	u16 r;
+
+	mutex_lock(&wm8994->io_lock);
+
+	ret = wm8994_read(wm8994, reg, 2, &r);
+	if (ret < 0)
+		goto out;
+
+	r &= ~mask;
+	r |= val;
+
+	ret = wm8994_write(wm8994, reg, 2, &r);
+
+out:
+	mutex_unlock(&wm8994->io_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(wm8994_set_bits);
+
+static struct mfd_cell wm8994_regulator_devs[] = {
+	{ .name = "wm8994-ldo", .id = 1 },
+	{ .name = "wm8994-ldo", .id = 2 },
+};
+
+static struct mfd_cell wm8994_devs[] = {
+	{ .name = "wm8994-codec" },
+	{ .name = "wm8994-gpio" },
+};
+
+/*
+ * Supplies for the main bulk of CODEC; the LDO supplies are ignored
+ * and should be handled via the standard regulator API supply
+ * management.
+ */
+static const char *wm8994_main_supplies[] = {
+	"DBVDD",
+	"DCVDD",
+	"AVDD1",
+	"AVDD2",
+	"CPVDD",
+	"SPKVDD1",
+	"SPKVDD2",
+};
+
+#ifdef CONFIG_PM
+static int wm8994_device_suspend(struct device *dev)
+{
+	struct wm8994 *wm8994 = dev_get_drvdata(dev);
+	int ret;
+
+	/* GPIO configuration state is saved here since we may be configuring
+	 * the GPIO alternate functions even if we're not using the gpiolib
+	 * driver for them.
+	 */
+	ret = wm8994_read(wm8994, WM8994_GPIO_1, WM8994_NUM_GPIO_REGS * 2,
+			  &wm8994->gpio_regs);
+	if (ret < 0)
+		dev_err(dev, "Failed to save GPIO registers: %d\n", ret);
+
+	/* For similar reasons we also stash the regulator states */
+	ret = wm8994_read(wm8994, WM8994_LDO_1, WM8994_NUM_LDO_REGS * 2,
+			  &wm8994->ldo_regs);
+	if (ret < 0)
+		dev_err(dev, "Failed to save LDO registers: %d\n", ret);
+
+	ret = regulator_bulk_disable(ARRAY_SIZE(wm8994_main_supplies),
+				     wm8994->supplies);
+	if (ret != 0) {
+		dev_err(dev, "Failed to disable supplies: %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int wm8994_device_resume(struct device *dev)
+{
+	struct wm8994 *wm8994 = dev_get_drvdata(dev);
+	int ret;
+
+	ret = regulator_bulk_enable(ARRAY_SIZE(wm8994_main_supplies),
+				    wm8994->supplies);
+	if (ret != 0) {
+		dev_err(dev, "Failed to enable supplies: %d\n", ret);
+		return ret;
+	}
+
+	ret = wm8994_write(wm8994, WM8994_LDO_1, WM8994_NUM_LDO_REGS * 2,
+			   &wm8994->ldo_regs);
+	if (ret < 0)
+		dev_err(dev, "Failed to restore LDO registers: %d\n", ret);
+
+	ret = wm8994_write(wm8994, WM8994_GPIO_1, WM8994_NUM_GPIO_REGS * 2,
+			   &wm8994->gpio_regs);
+	if (ret < 0)
+		dev_err(dev, "Failed to restore GPIO registers: %d\n", ret);
+
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_REGULATOR
+static int wm8994_ldo_in_use(struct wm8994_pdata *pdata, int ldo)
+{
+	struct wm8994_ldo_pdata *ldo_pdata;
+
+	if (!pdata)
+		return 0;
+
+	ldo_pdata = &pdata->ldo[ldo];
+
+	if (!ldo_pdata->init_data)
+		return 0;
+
+	return ldo_pdata->init_data->num_consumer_supplies != 0;
+}
+#else
+static int wm8994_ldo_in_use(struct wm8994_pdata *pdata, int ldo)
+{
+	return 0;
+}
+#endif
+
+/*
+ * Instantiate the generic non-control parts of the device.
+ */
+static int wm8994_device_init(struct wm8994 *wm8994, unsigned long id, int irq)
+{
+	struct wm8994_pdata *pdata = wm8994->dev->platform_data;
+	int ret, i;
+
+	mutex_init(&wm8994->io_lock);
+	dev_set_drvdata(wm8994->dev, wm8994);
+
+	/* Add the on-chip regulators first for bootstrapping */
+	ret = mfd_add_devices(wm8994->dev, -1,
+			      wm8994_regulator_devs,
+			      ARRAY_SIZE(wm8994_regulator_devs),
+			      NULL, 0);
+	if (ret != 0) {
+		dev_err(wm8994->dev, "Failed to add children: %d\n", ret);
+		goto err;
+	}
+
+	wm8994->supplies = kzalloc(sizeof(struct regulator_bulk_data) *
+				   ARRAY_SIZE(wm8994_main_supplies),
+				   GFP_KERNEL);
+	if (!wm8994->supplies)
+		goto err;
+
+	for (i = 0; i < ARRAY_SIZE(wm8994_main_supplies); i++)
+		wm8994->supplies[i].supply = wm8994_main_supplies[i];
+
+	ret = regulator_bulk_get(wm8994->dev, ARRAY_SIZE(wm8994_main_supplies),
+				 wm8994->supplies);
+	if (ret != 0) {
+		dev_err(wm8994->dev, "Failed to get supplies: %d\n", ret);
+		goto err_supplies;
+	}
+
+	ret = regulator_bulk_enable(ARRAY_SIZE(wm8994_main_supplies),
+				    wm8994->supplies);
+	if (ret != 0) {
+		dev_err(wm8994->dev, "Failed to enable supplies: %d\n", ret);
+		goto err_get;
+	}
+
+	ret = wm8994_reg_read(wm8994, WM8994_SOFTWARE_RESET);
+	if (ret < 0) {
+		dev_err(wm8994->dev, "Failed to read ID register\n");
+		goto err_enable;
+	}
+	if (ret != 0x8994) {
+		dev_err(wm8994->dev, "Device is not a WM8994, ID is %x\n",
+			ret);
+		ret = -EINVAL;
+		goto err_enable;
+	}
+
+	ret = wm8994_reg_read(wm8994, WM8994_CHIP_REVISION);
+	if (ret < 0) {
+		dev_err(wm8994->dev, "Failed to read revision register: %d\n",
+			ret);
+		goto err_enable;
+	}
+
+	switch (ret) {
+	case 0:
+	case 1:
+		dev_warn(wm8994->dev, "revision %c not fully supported\n",
+			'A' + ret);
+		break;
+	default:
+		dev_info(wm8994->dev, "revision %c\n", 'A' + ret);
+		break;
+	}
+
+
+	if (pdata) {
+		wm8994->gpio_base = pdata->gpio_base;
+
+		/* GPIO configuration is only applied if it's non-zero */
+		for (i = 0; i < ARRAY_SIZE(pdata->gpio_defaults); i++) {
+			if (pdata->gpio_defaults[i]) {
+				wm8994_set_bits(wm8994, WM8994_GPIO_1 + i,
+						0xffff,
+						pdata->gpio_defaults[i]);
+			}
+		}
+	}
+
+	/* In some system designs where the regulators are not in use,
+	 * we can achieve a small reduction in leakage currents by
+	 * floating LDO outputs.  This bit makes no difference if the
+	 * LDOs are enabled, it only affects cases where the LDOs were
+	 * in operation and are then disabled.
+	 */
+	for (i = 0; i < WM8994_NUM_LDO_REGS; i++) {
+		if (wm8994_ldo_in_use(pdata, i))
+			wm8994_set_bits(wm8994, WM8994_LDO_1 + i,
+					WM8994_LDO1_DISCH, WM8994_LDO1_DISCH);
+		else
+			wm8994_set_bits(wm8994, WM8994_LDO_1 + i,
+					WM8994_LDO1_DISCH, 0);
+	}
+
+	ret = mfd_add_devices(wm8994->dev, -1,
+			      wm8994_devs, ARRAY_SIZE(wm8994_devs),
+			      NULL, 0);
+	if (ret != 0) {
+		dev_err(wm8994->dev, "Failed to add children: %d\n", ret);
+		goto err_enable;
+	}
+
+	return 0;
+
+err_enable:
+	regulator_bulk_disable(ARRAY_SIZE(wm8994_main_supplies),
+			       wm8994->supplies);
+err_get:
+	regulator_bulk_free(ARRAY_SIZE(wm8994_main_supplies), wm8994->supplies);
+err_supplies:
+	kfree(wm8994->supplies);
+err:
+	mfd_remove_devices(wm8994->dev);
+	kfree(wm8994);
+	return ret;
+}
+
+static void wm8994_device_exit(struct wm8994 *wm8994)
+{
+	mfd_remove_devices(wm8994->dev);
+	regulator_bulk_disable(ARRAY_SIZE(wm8994_main_supplies),
+			       wm8994->supplies);
+	regulator_bulk_free(ARRAY_SIZE(wm8994_main_supplies), wm8994->supplies);
+	kfree(wm8994->supplies);
+	kfree(wm8994);
+}
+
+static int wm8994_i2c_read_device(struct wm8994 *wm8994, unsigned short reg,
+				  int bytes, void *dest)
+{
+	struct i2c_client *i2c = wm8994->control_data;
+	int ret;
+	u16 r = cpu_to_be16(reg);
+
+	ret = i2c_master_send(i2c, (unsigned char *)&r, 2);
+	if (ret < 0)
+		return ret;
+	if (ret != 2)
+		return -EIO;
+
+	ret = i2c_master_recv(i2c, dest, bytes);
+	if (ret < 0)
+		return ret;
+	if (ret != bytes)
+		return -EIO;
+	return 0;
+}
+
+/* Currently we allocate the write buffer on the stack; this is OK for
+ * small writes - if we need to do large writes this will need to be
+ * revised.
+ */
+static int wm8994_i2c_write_device(struct wm8994 *wm8994, unsigned short reg,
+				   int bytes, void *src)
+{
+	struct i2c_client *i2c = wm8994->control_data;
+	unsigned char msg[bytes + 2];
+	int ret;
+
+	reg = cpu_to_be16(reg);
+	memcpy(&msg[0], &reg, 2);
+	memcpy(&msg[2], src, bytes);
+
+	ret = i2c_master_send(i2c, msg, bytes + 2);
+	if (ret < 0)
+		return ret;
+	if (ret < bytes + 2)
+		return -EIO;
+
+	return 0;
+}
+
+static int wm8994_i2c_probe(struct i2c_client *i2c,
+			    const struct i2c_device_id *id)
+{
+	struct wm8994 *wm8994;
+
+	wm8994 = kzalloc(sizeof(struct wm8994), GFP_KERNEL);
+	if (wm8994 == NULL) {
+		kfree(i2c);
+		return -ENOMEM;
+	}
+
+	i2c_set_clientdata(i2c, wm8994);
+	wm8994->dev = &i2c->dev;
+	wm8994->control_data = i2c;
+	wm8994->read_dev = wm8994_i2c_read_device;
+	wm8994->write_dev = wm8994_i2c_write_device;
+
+	return wm8994_device_init(wm8994, id->driver_data, i2c->irq);
+}
+
+static int wm8994_i2c_remove(struct i2c_client *i2c)
+{
+	struct wm8994 *wm8994 = i2c_get_clientdata(i2c);
+
+	wm8994_device_exit(wm8994);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int wm8994_i2c_suspend(struct i2c_client *i2c, pm_message_t state)
+{
+	return wm8994_device_suspend(&i2c->dev);
+}
+
+static int wm8994_i2c_resume(struct i2c_client *i2c)
+{
+	return wm8994_device_resume(&i2c->dev);
+}
+#else
+#define wm8994_i2c_suspend NULL
+#define wm8994_i2c_resume NULL
+#endif
+
+static const struct i2c_device_id wm8994_i2c_id[] = {
+	{ "wm8994", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, wm8994_i2c_id);
+
+static struct i2c_driver wm8994_i2c_driver = {
+	.driver = {
+		   .name = "wm8994",
+		   .owner = THIS_MODULE,
+	},
+	.probe = wm8994_i2c_probe,
+	.remove = wm8994_i2c_remove,
+	.suspend = wm8994_i2c_suspend,
+	.resume = wm8994_i2c_resume,
+	.id_table = wm8994_i2c_id,
+};
+
+static int __init wm8994_i2c_init(void)
+{
+	int ret;
+
+	ret = i2c_add_driver(&wm8994_i2c_driver);
+	if (ret != 0)
+		pr_err("Failed to register wm8994 I2C driver: %d\n", ret);
+
+	return ret;
+}
+module_init(wm8994_i2c_init);
+
+static void __exit wm8994_i2c_exit(void)
+{
+	i2c_del_driver(&wm8994_i2c_driver);
+}
+module_exit(wm8994_i2c_exit);
+
+MODULE_DESCRIPTION("Core support for the WM8994 audio CODEC");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index e3551d20464f..2191c8d896a0 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -212,6 +212,15 @@ config CS5535_MFGPT_DEFAULT_IRQ
 	  want to use a different IRQ by default.  This is here for
 	  architectures to set as necessary.
 
+config CS5535_CLOCK_EVENT_SRC
+	tristate "CS5535/CS5536 high-res timer (MFGPT) events"
+	depends on GENERIC_TIME && GENERIC_CLOCKEVENTS && CS5535_MFGPT
+	help
+	  This driver provides a clock event source based on the MFGPT
+	  timer(s) in the CS5535 and CS5536 companion chips.
+	  MFGPTs have a better resolution and max interval than the
+	  generic PIT, and are suitable for use as high-res timers.
+
 config HP_ILO
 	tristate "Channel interface driver for HP iLO/iLO2 processor"
 	depends on PCI
@@ -259,6 +268,16 @@ config ISL29003
 	  This driver can also be built as a module.  If so, the module
 	  will be called isl29003.
 
+config SENSORS_TSL2550
+	tristate "Taos TSL2550 ambient light sensor"
+	depends on I2C && SYSFS
+	help
+	  If you say yes here you get support for the Taos TSL2550
+	  ambient light sensor.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called tsl2550.
+
 config EP93XX_PWM
 	tristate "EP93xx PWM support"
 	depends on ARCH_EP93XX
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 049ff2482f30..27c484355414 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_SGI_GRU)		+= sgi-gru/
 obj-$(CONFIG_CS5535_MFGPT)	+= cs5535-mfgpt.o
 obj-$(CONFIG_HP_ILO)		+= hpilo.o
 obj-$(CONFIG_ISL29003)		+= isl29003.o
+obj-$(CONFIG_SENSORS_TSL2550)	+= tsl2550.o
 obj-$(CONFIG_EP93XX_PWM)	+= ep93xx_pwm.o
 obj-$(CONFIG_DS1682)		+= ds1682.o
 obj-$(CONFIG_TI_DAC7512)	+= ti_dac7512.o
diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c
index b5346b4db91a..b7a85f46a6c2 100644
--- a/drivers/misc/c2port/core.c
+++ b/drivers/misc/c2port/core.c
@@ -912,8 +912,8 @@ struct c2port_device *c2port_device_register(char *name,
 
 	c2dev->dev = device_create(c2port_class, NULL, 0, c2dev,
 					"c2port%d", id);
-	if (unlikely(!c2dev->dev)) {
-		ret = -ENOMEM;
+	if (unlikely(IS_ERR(c2dev->dev))) {
+		ret = PTR_ERR(c2dev->dev);
 		goto error_device_create;
 	}
 	dev_set_drvdata(c2dev->dev, c2dev);
diff --git a/drivers/misc/eeprom/at24.c b/drivers/misc/eeprom/at24.c
index 2cb2736d65aa..db7d0f21b65d 100644
--- a/drivers/misc/eeprom/at24.c
+++ b/drivers/misc/eeprom/at24.c
@@ -505,6 +505,7 @@ static int at24_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	 * Export the EEPROM bytes through sysfs, since that's convenient.
 	 * By default, only root should see the data (maybe passwords etc)
 	 */
+	sysfs_bin_attr_init(&at24->bin);
 	at24->bin.attr.name = "eeprom";
 	at24->bin.attr.mode = chip.flags & AT24_FLAG_IRUGO ? S_IRUGO : S_IRUSR;
 	at24->bin.read = at24_bin_read;
diff --git a/drivers/misc/eeprom/at25.c b/drivers/misc/eeprom/at25.c
index d902d81dde39..d194212a41f6 100644
--- a/drivers/misc/eeprom/at25.c
+++ b/drivers/misc/eeprom/at25.c
@@ -347,6 +347,7 @@ static int at25_probe(struct spi_device *spi)
 	 * that's sensitive for read and/or write, like ethernet addresses,
 	 * security codes, board-specific manufacturing calibrations, etc.
 	 */
+	sysfs_bin_attr_init(&at25->bin);
 	at25->bin.attr.name = "eeprom";
 	at25->bin.attr.mode = S_IRUSR;
 	at25->bin.read = at25_bin_read;
diff --git a/drivers/misc/iwmc3200top/main.c b/drivers/misc/iwmc3200top/main.c
index dd0a3913bf6d..3b7292a5cea9 100644
--- a/drivers/misc/iwmc3200top/main.c
+++ b/drivers/misc/iwmc3200top/main.c
@@ -597,8 +597,6 @@ static void iwmct_remove(struct sdio_func *func)
 	struct iwmct_work_struct *read_req;
 	struct iwmct_priv *priv = sdio_get_drvdata(func);
 
-	priv = sdio_get_drvdata(func);
-
 	LOG_INFO(priv, INIT, "enter\n");
 
 	sdio_claim_host(func);
diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c
index fcb6ec1af173..72450237a0f4 100644
--- a/drivers/misc/kgdbts.c
+++ b/drivers/misc/kgdbts.c
@@ -295,6 +295,10 @@ static int check_and_rewind_pc(char *put_str, char *arg)
 	/* On x86 a breakpoint stop requires it to be decremented */
 	if (addr + 1 == kgdbts_regs.ip)
 		offset = -1;
+#elif defined(CONFIG_SUPERH)
+	/* On SUPERH a breakpoint stop requires it to be decremented */
+	if (addr + 2 == kgdbts_regs.pc)
+		offset = -2;
 #endif
 	if (strcmp(arg, "silent") &&
 		instruction_pointer(&kgdbts_regs) + offset != addr) {
@@ -305,6 +309,8 @@ static int check_and_rewind_pc(char *put_str, char *arg)
 #ifdef CONFIG_X86
 	/* On x86 adjust the instruction pointer if needed */
 	kgdbts_regs.ip += offset;
+#elif defined(CONFIG_SUPERH)
+	kgdbts_regs.pc += offset;
 #endif
 	return 0;
 }
diff --git a/drivers/misc/lkdtm.c b/drivers/misc/lkdtm.c
index 3648b23d5c92..4a0648301fdf 100644
--- a/drivers/misc/lkdtm.c
+++ b/drivers/misc/lkdtm.c
@@ -26,21 +26,9 @@
  * It is adapted from the Linux Kernel Dump Test Tool by
  * Fernando Luis Vazquez Cao <http://lkdtt.sourceforge.net>
  *
- * Usage :  insmod lkdtm.ko [recur_count={>0}] cpoint_name=<> cpoint_type=<>
- *							[cpoint_count={>0}]
+ * Debugfs support added by Simon Kagstrom <simon.kagstrom@netinsight.net>
  *
- * recur_count : Recursion level for the stack overflow test. Default is 10.
- *
- * cpoint_name : Crash point where the kernel is to be crashed. It can be
- *		 one of INT_HARDWARE_ENTRY, INT_HW_IRQ_EN, INT_TASKLET_ENTRY,
- *		 FS_DEVRW, MEM_SWAPOUT, TIMERADD, SCSI_DISPATCH_CMD,
- *		 IDE_CORE_CP
- *
- * cpoint_type : Indicates the action to be taken on hitting the crash point.
- *		 It can be one of PANIC, BUG, EXCEPTION, LOOP, OVERFLOW
- *
- * cpoint_count : Indicates the number of times the crash point is to be hit
- *		  to trigger an action. The default is 10.
+ * See Documentation/fault-injection/provoke-crashes.txt for instructions
  */
 
 #include <linux/kernel.h>
@@ -53,13 +41,12 @@
 #include <linux/interrupt.h>
 #include <linux/hrtimer.h>
 #include <scsi/scsi_cmnd.h>
+#include <linux/debugfs.h>
 
 #ifdef CONFIG_IDE
 #include <linux/ide.h>
 #endif
 
-#define NUM_CPOINTS 8
-#define NUM_CPOINT_TYPES 5
 #define DEFAULT_COUNT 10
 #define REC_NUM_DEFAULT 10
 
@@ -72,7 +59,8 @@ enum cname {
 	MEM_SWAPOUT,
 	TIMERADD,
 	SCSI_DISPATCH_CMD,
-	IDE_CORE_CP
+	IDE_CORE_CP,
+	DIRECT,
 };
 
 enum ctype {
@@ -81,7 +69,11 @@ enum ctype {
 	BUG,
 	EXCEPTION,
 	LOOP,
-	OVERFLOW
+	OVERFLOW,
+	CORRUPT_STACK,
+	UNALIGNED_LOAD_STORE_WRITE,
+	OVERWRITE_ALLOCATION,
+	WRITE_AFTER_FREE,
 };
 
 static char* cp_name[] = {
@@ -92,7 +84,8 @@ static char* cp_name[] = {
 	"MEM_SWAPOUT",
 	"TIMERADD",
 	"SCSI_DISPATCH_CMD",
-	"IDE_CORE_CP"
+	"IDE_CORE_CP",
+	"DIRECT",
 };
 
 static char* cp_type[] = {
@@ -100,7 +93,11 @@ static char* cp_type[] = {
 	"BUG",
 	"EXCEPTION",
 	"LOOP",
-	"OVERFLOW"
+	"OVERFLOW",
+	"CORRUPT_STACK",
+	"UNALIGNED_LOAD_STORE_WRITE",
+	"OVERWRITE_ALLOCATION",
+	"WRITE_AFTER_FREE",
 };
 
 static struct jprobe lkdtm;
@@ -193,34 +190,66 @@ int jp_generic_ide_ioctl(ide_drive_t *drive, struct file *file,
 }
 #endif
 
+/* Return the crashpoint number or NONE if the name is invalid */
+static enum ctype parse_cp_type(const char *what, size_t count)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(cp_type); i++) {
+		if (!strcmp(what, cp_type[i]))
+			return i + 1;
+	}
+
+	return NONE;
+}
+
+static const char *cp_type_to_str(enum ctype type)
+{
+	if (type == NONE || type < 0 || type > ARRAY_SIZE(cp_type))
+		return "None";
+
+	return cp_type[type - 1];
+}
+
+static const char *cp_name_to_str(enum cname name)
+{
+	if (name == INVALID || name < 0 || name > ARRAY_SIZE(cp_name))
+		return "INVALID";
+
+	return cp_name[name - 1];
+}
+
+
 static int lkdtm_parse_commandline(void)
 {
 	int i;
 
-	if (cpoint_name == NULL || cpoint_type == NULL ||
-					cpoint_count < 1 || recur_count < 1)
+	if (cpoint_count < 1 || recur_count < 1)
 		return -EINVAL;
 
-	for (i = 0; i < NUM_CPOINTS; ++i) {
+	count = cpoint_count;
+
+	/* No special parameters */
+	if (!cpoint_type && !cpoint_name)
+		return 0;
+
+	/* Neither or both of these need to be set */
+	if (!cpoint_type || !cpoint_name)
+		return -EINVAL;
+
+	cptype = parse_cp_type(cpoint_type, strlen(cpoint_type));
+	if (cptype == NONE)
+		return -EINVAL;
+
+	for (i = 0; i < ARRAY_SIZE(cp_name); i++) {
 		if (!strcmp(cpoint_name, cp_name[i])) {
 			cpoint = i + 1;
-			break;
-		}
-	}
-
-	for (i = 0; i < NUM_CPOINT_TYPES; ++i) {
-		if (!strcmp(cpoint_type, cp_type[i])) {
-			cptype = i + 1;
-			break;
+			return 0;
 		}
 	}
 
-	if (cpoint == INVALID || cptype == NONE)
-                return -EINVAL;
-
-	count = cpoint_count;
-
-	return 0;
+	/* Could not find a valid crash point */
+	return -EINVAL;
 }
 
 static int recursive_loop(int a)
@@ -235,53 +264,92 @@ static int recursive_loop(int a)
         	return recursive_loop(a);
 }
 
-void lkdtm_handler(void)
+static void lkdtm_do_action(enum ctype which)
 {
-	printk(KERN_INFO "lkdtm : Crash point %s of type %s hit\n",
-					 cpoint_name, cpoint_type);
-	--count;
+	switch (which) {
+	case PANIC:
+		panic("dumptest");
+		break;
+	case BUG:
+		BUG();
+		break;
+	case EXCEPTION:
+		*((int *) 0) = 0;
+		break;
+	case LOOP:
+		for (;;)
+			;
+		break;
+	case OVERFLOW:
+		(void) recursive_loop(0);
+		break;
+	case CORRUPT_STACK: {
+		volatile u32 data[8];
+		volatile u32 *p = data;
+
+		p[12] = 0x12345678;
+		break;
+	}
+	case UNALIGNED_LOAD_STORE_WRITE: {
+		static u8 data[5] __attribute__((aligned(4))) = {1, 2,
+				3, 4, 5};
+		u32 *p;
+		u32 val = 0x12345678;
+
+		p = (u32 *)(data + 1);
+		if (*p == 0)
+			val = 0x87654321;
+		*p = val;
+		 break;
+	}
+	case OVERWRITE_ALLOCATION: {
+		size_t len = 1020;
+		u32 *data = kmalloc(len, GFP_KERNEL);
+
+		data[1024 / sizeof(u32)] = 0x12345678;
+		kfree(data);
+		break;
+	}
+	case WRITE_AFTER_FREE: {
+		size_t len = 1024;
+		u32 *data = kmalloc(len, GFP_KERNEL);
+
+		kfree(data);
+		schedule();
+		memset(data, 0x78, len);
+		break;
+	}
+	case NONE:
+	default:
+		break;
+	}
+
+}
+
+static void lkdtm_handler(void)
+{
+	count--;
+	printk(KERN_INFO "lkdtm: Crash point %s of type %s hit, trigger in %d rounds\n",
+			cp_name_to_str(cpoint), cp_type_to_str(cptype), count);
 
 	if (count == 0) {
-		switch (cptype) {
-		case NONE:
-			break;
-		case PANIC:
-			printk(KERN_INFO "lkdtm : PANIC\n");
-			panic("dumptest");
-			break;
-		case BUG:
-			printk(KERN_INFO "lkdtm : BUG\n");
-			BUG();
-			break;
-		case EXCEPTION:
-			printk(KERN_INFO "lkdtm : EXCEPTION\n");
-			*((int *) 0) = 0;
-			break;
-		case LOOP:
-			printk(KERN_INFO "lkdtm : LOOP\n");
-			for (;;);
-			break;
-		case OVERFLOW:
-			printk(KERN_INFO "lkdtm : OVERFLOW\n");
-			(void) recursive_loop(0);
-			break;
-		default:
-			break;
-		}
+		lkdtm_do_action(cptype);
 		count = cpoint_count;
 	}
 }
 
-static int __init lkdtm_module_init(void)
+static int lkdtm_register_cpoint(enum cname which)
 {
 	int ret;
 
-	if (lkdtm_parse_commandline() == -EINVAL) {
-		printk(KERN_INFO "lkdtm : Invalid command\n");
-		return -EINVAL;
-	}
+	cpoint = INVALID;
+	if (lkdtm.entry != NULL)
+		unregister_jprobe(&lkdtm);
 
-	switch (cpoint) {
+	switch (which) {
+	case DIRECT:
+		lkdtm_do_action(cptype);
+		return 0;
 	case INT_HARDWARE_ENTRY:
 		lkdtm.kp.symbol_name = "do_IRQ";
 		lkdtm.entry = (kprobe_opcode_t*) jp_do_irq;
@@ -315,28 +383,268 @@ static int __init lkdtm_module_init(void)
 		lkdtm.kp.symbol_name = "generic_ide_ioctl";
 		lkdtm.entry = (kprobe_opcode_t*) jp_generic_ide_ioctl;
 #else
-		printk(KERN_INFO "lkdtm : Crash point not available\n");
+		printk(KERN_INFO "lkdtm: Crash point not available\n");
+		return -EINVAL;
 #endif
 		break;
 	default:
-		printk(KERN_INFO "lkdtm : Invalid Crash Point\n");
-		break;
+		printk(KERN_INFO "lkdtm: Invalid Crash Point\n");
+		return -EINVAL;
 	}
 
+	cpoint = which;
 	if ((ret = register_jprobe(&lkdtm)) < 0) {
-                printk(KERN_INFO "lkdtm : Couldn't register jprobe\n");
-                return ret;
+		printk(KERN_INFO "lkdtm: Couldn't register jprobe\n");
+		cpoint = INVALID;
+	}
+
+	return ret;
+}
+
+static ssize_t do_register_entry(enum cname which, struct file *f,
+		const char __user *user_buf, size_t count, loff_t *off)
+{
+	char *buf;
+	int err;
+
+	if (count >= PAGE_SIZE)
+		return -EINVAL;
+
+	buf = (char *)__get_free_page(GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+	if (copy_from_user(buf, user_buf, count)) {
+		free_page((unsigned long) buf);
+		return -EFAULT;
+	}
+	/* NULL-terminate and remove enter */
+	buf[count] = '\0';
+	strim(buf);
+
+	cptype = parse_cp_type(buf, count);
+	free_page((unsigned long) buf);
+
+	if (cptype == NONE)
+		return -EINVAL;
+
+	err = lkdtm_register_cpoint(which);
+	if (err < 0)
+		return err;
+
+	*off += count;
+
+	return count;
+}
+
+/* Generic read callback that just prints out the available crash types */
+static ssize_t lkdtm_debugfs_read(struct file *f, char __user *user_buf,
+		size_t count, loff_t *off)
+{
+	char *buf;
+	int i, n, out;
+
+	buf = (char *)__get_free_page(GFP_KERNEL);
+
+	n = snprintf(buf, PAGE_SIZE, "Available crash types:\n");
+	for (i = 0; i < ARRAY_SIZE(cp_type); i++)
+		n += snprintf(buf + n, PAGE_SIZE - n, "%s\n", cp_type[i]);
+	buf[n] = '\0';
+
+	out = simple_read_from_buffer(user_buf, count, off,
+				      buf, n);
+	free_page((unsigned long) buf);
+
+	return out;
+}
+
+static int lkdtm_debugfs_open(struct inode *inode, struct file *file)
+{
+	return 0;
+}
+
+
+static ssize_t int_hardware_entry(struct file *f, const char __user *buf,
+		size_t count, loff_t *off)
+{
+	return do_register_entry(INT_HARDWARE_ENTRY, f, buf, count, off);
+}
+
+static ssize_t int_hw_irq_en(struct file *f, const char __user *buf,
+		size_t count, loff_t *off)
+{
+	return do_register_entry(INT_HW_IRQ_EN, f, buf, count, off);
+}
+
+static ssize_t int_tasklet_entry(struct file *f, const char __user *buf,
+		size_t count, loff_t *off)
+{
+	return do_register_entry(INT_TASKLET_ENTRY, f, buf, count, off);
+}
+
+static ssize_t fs_devrw_entry(struct file *f, const char __user *buf,
+		size_t count, loff_t *off)
+{
+	return do_register_entry(FS_DEVRW, f, buf, count, off);
+}
+
+static ssize_t mem_swapout_entry(struct file *f, const char __user *buf,
+		size_t count, loff_t *off)
+{
+	return do_register_entry(MEM_SWAPOUT, f, buf, count, off);
+}
+
+static ssize_t timeradd_entry(struct file *f, const char __user *buf,
+		size_t count, loff_t *off)
+{
+	return do_register_entry(TIMERADD, f, buf, count, off);
+}
+
+static ssize_t scsi_dispatch_cmd_entry(struct file *f,
+		const char __user *buf, size_t count, loff_t *off)
+{
+	return do_register_entry(SCSI_DISPATCH_CMD, f, buf, count, off);
+}
+
+static ssize_t ide_core_cp_entry(struct file *f, const char __user *buf,
+		size_t count, loff_t *off)
+{
+	return do_register_entry(IDE_CORE_CP, f, buf, count, off);
+}
+
+/* Special entry to just crash directly. Available without KPROBEs */
+static ssize_t direct_entry(struct file *f, const char __user *user_buf,
+		size_t count, loff_t *off)
+{
+	enum ctype type;
+	char *buf;
+
+	if (count >= PAGE_SIZE)
+		return -EINVAL;
+	if (count < 1)
+		return -EINVAL;
+
+	buf = (char *)__get_free_page(GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+	if (copy_from_user(buf, user_buf, count)) {
+		free_page((unsigned long) buf);
+		return -EFAULT;
+	}
+	/* NULL-terminate and remove enter */
+	buf[count] = '\0';
+	strim(buf);
+
+	type = parse_cp_type(buf, count);
+	free_page((unsigned long) buf);
+	if (type == NONE)
+		return -EINVAL;
+
+	printk(KERN_INFO "lkdtm: Performing direct entry %s\n",
+			cp_type_to_str(type));
+	lkdtm_do_action(type);
+	*off += count;
+
+	return count;
+}
+
+struct crash_entry {
+	const char *name;
+	const struct file_operations fops;
+};
+
+static const struct crash_entry crash_entries[] = {
+	{"DIRECT", {.read = lkdtm_debugfs_read,
+			.open = lkdtm_debugfs_open,
+			.write = direct_entry} },
+	{"INT_HARDWARE_ENTRY", {.read = lkdtm_debugfs_read,
+			.open = lkdtm_debugfs_open,
+			.write = int_hardware_entry} },
+	{"INT_HW_IRQ_EN", {.read = lkdtm_debugfs_read,
+			.open = lkdtm_debugfs_open,
+			.write = int_hw_irq_en} },
+	{"INT_TASKLET_ENTRY", {.read = lkdtm_debugfs_read,
+			.open = lkdtm_debugfs_open,
+			.write = int_tasklet_entry} },
+	{"FS_DEVRW", {.read = lkdtm_debugfs_read,
+			.open = lkdtm_debugfs_open,
+			.write = fs_devrw_entry} },
+	{"MEM_SWAPOUT", {.read = lkdtm_debugfs_read,
+			.open = lkdtm_debugfs_open,
+			.write = mem_swapout_entry} },
+	{"TIMERADD", {.read = lkdtm_debugfs_read,
+			.open = lkdtm_debugfs_open,
+			.write = timeradd_entry} },
+	{"SCSI_DISPATCH_CMD", {.read = lkdtm_debugfs_read,
+			.open = lkdtm_debugfs_open,
+			.write = scsi_dispatch_cmd_entry} },
+	{"IDE_CORE_CP",	{.read = lkdtm_debugfs_read,
+			.open = lkdtm_debugfs_open,
+			.write = ide_core_cp_entry} },
+};
+
+static struct dentry *lkdtm_debugfs_root;
+
+static int __init lkdtm_module_init(void)
+{
+	int ret = -EINVAL;
+	int n_debugfs_entries = 1; /* Assume only the direct entry */
+	int i;
+
+	/* Register debugfs interface */
+	lkdtm_debugfs_root = debugfs_create_dir("provoke-crash", NULL);
+	if (!lkdtm_debugfs_root) {
+		printk(KERN_ERR "lkdtm: creating root dir failed\n");
+		return -ENODEV;
+	}
+
+#ifdef CONFIG_KPROBES
+	n_debugfs_entries = ARRAY_SIZE(crash_entries);
+#endif
+
+	for (i = 0; i < n_debugfs_entries; i++) {
+		const struct crash_entry *cur = &crash_entries[i];
+		struct dentry *de;
+
+		de = debugfs_create_file(cur->name, 0644, lkdtm_debugfs_root,
+				NULL, &cur->fops);
+		if (de == NULL) {
+			printk(KERN_ERR "lkdtm: could not create %s\n",
+					cur->name);
+			goto out_err;
+		}
+	}
+
+	if (lkdtm_parse_commandline() == -EINVAL) {
+		printk(KERN_INFO "lkdtm: Invalid command\n");
+		goto out_err;
+	}
+
+	if (cpoint != INVALID && cptype != NONE) {
+		ret = lkdtm_register_cpoint(cpoint);
+		if (ret < 0) {
+			printk(KERN_INFO "lkdtm: Invalid crash point %d\n",
+					cpoint);
+			goto out_err;
+		}
+		printk(KERN_INFO "lkdtm: Crash point %s of type %s registered\n",
+				cpoint_name, cpoint_type);
+	} else {
+		printk(KERN_INFO "lkdtm: No crash points registered, enable through debugfs\n");
 	}
 
-	printk(KERN_INFO "lkdtm : Crash point %s of type %s registered\n",
-						cpoint_name, cpoint_type);
 	return 0;
+
+out_err:
+	debugfs_remove_recursive(lkdtm_debugfs_root);
+	return ret;
 }
 
 static void __exit lkdtm_module_exit(void)
 {
-        unregister_jprobe(&lkdtm);
-        printk(KERN_INFO "lkdtm : Crash point unregistered\n");
+	debugfs_remove_recursive(lkdtm_debugfs_root);
+
+	unregister_jprobe(&lkdtm);
+	printk(KERN_INFO "lkdtm: Crash point unregistered\n");
 }
 
 module_init(lkdtm_module_init);
diff --git a/drivers/misc/phantom.c b/drivers/misc/phantom.c
index 04c27266f567..779aa8ebe4cf 100644
--- a/drivers/misc/phantom.c
+++ b/drivers/misc/phantom.c
@@ -497,12 +497,7 @@ static struct pci_driver phantom_pci_driver = {
 	.resume = phantom_resume
 };
 
-static ssize_t phantom_show_version(struct class *cls, char *buf)
-{
-	return sprintf(buf, PHANTOM_VERSION "\n");
-}
-
-static CLASS_ATTR(version, 0444, phantom_show_version, NULL);
+static CLASS_ATTR_STRING(version, 0444, PHANTOM_VERSION);
 
 static int __init phantom_init(void)
 {
@@ -515,7 +510,7 @@ static int __init phantom_init(void)
 		printk(KERN_ERR "phantom: can't register phantom class\n");
 		goto err;
 	}
-	retval = class_create_file(phantom_class, &class_attr_version);
+	retval = class_create_file(phantom_class, &class_attr_version.attr);
 	if (retval) {
 		printk(KERN_ERR "phantom: can't create sysfs version file\n");
 		goto err_class;
@@ -541,7 +536,7 @@ static int __init phantom_init(void)
 err_unchr:
 	unregister_chrdev_region(dev, PHANTOM_MAX_MINORS);
 err_attr:
-	class_remove_file(phantom_class, &class_attr_version);
+	class_remove_file(phantom_class, &class_attr_version.attr);
 err_class:
 	class_destroy(phantom_class);
 err:
@@ -554,7 +549,7 @@ static void __exit phantom_exit(void)
 
 	unregister_chrdev_region(MKDEV(phantom_major, 0), PHANTOM_MAX_MINORS);
 
-	class_remove_file(phantom_class, &class_attr_version);
+	class_remove_file(phantom_class, &class_attr_version.attr);
 	class_destroy(phantom_class);
 
 	pr_debug("phantom: module successfully removed\n");
diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h
index 02a77b8b8eef..7a8b9068ea03 100644
--- a/drivers/misc/sgi-gru/grutables.h
+++ b/drivers/misc/sgi-gru/grutables.h
@@ -516,8 +516,7 @@ struct gru_blade_state {
 
 /* Scan all active GRUs in a GRU bitmap */
 #define for_each_gru_in_bitmap(gid, map)				\
-	for ((gid) = find_first_bit((map), GRU_MAX_GRUS); (gid) < GRU_MAX_GRUS;\
-		(gid)++, (gid) = find_next_bit((map), GRU_MAX_GRUS, (gid)))
+	for_each_set_bit((gid), (map), GRU_MAX_GRUS)
 
 /* Scan all active GRUs on a specific blade */
 #define for_each_gru_on_blade(gru, nid, i)				\
@@ -536,23 +535,17 @@ struct gru_blade_state {
 
 /* Scan each CBR whose bit is set in a TFM (or copy of) */
 #define for_each_cbr_in_tfm(i, map)					\
-	for ((i) = find_first_bit(map, GRU_NUM_CBE);			\
-			(i) < GRU_NUM_CBE;				\
-			(i)++, (i) = find_next_bit(map, GRU_NUM_CBE, i))
+	for_each_set_bit((i), (map), GRU_NUM_CBE)
 
 /* Scan each CBR in a CBR bitmap. Note: multiple CBRs in an allocation unit */
 #define for_each_cbr_in_allocation_map(i, map, k)			\
-	for ((k) = find_first_bit(map, GRU_CBR_AU); (k) < GRU_CBR_AU;	\
-			(k) = find_next_bit(map, GRU_CBR_AU, (k) + 1)) 	\
+	for_each_set_bit((k), (map), GRU_CBR_AU)			\
 		for ((i) = (k)*GRU_CBR_AU_SIZE;				\
 				(i) < ((k) + 1) * GRU_CBR_AU_SIZE; (i)++)
 
 /* Scan each DSR in a DSR bitmap. Note: multiple DSRs in an allocation unit */
 #define for_each_dsr_in_allocation_map(i, map, k)			\
-	for ((k) = find_first_bit((const unsigned long *)map, GRU_DSR_AU);\
-			(k) < GRU_DSR_AU;				\
-			(k) = find_next_bit((const unsigned long *)map,	\
-					  GRU_DSR_AU, (k) + 1))		\
+	for_each_set_bit((k), (const unsigned long *)(map), GRU_DSR_AU)	\
 		for ((i) = (k) * GRU_DSR_AU_CL;				\
 				(i) < ((k) + 1) * GRU_DSR_AU_CL; (i)++)
 
diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c
index 16f0abda1423..57b152f8d1b9 100644
--- a/drivers/misc/sgi-xp/xpnet.c
+++ b/drivers/misc/sgi-xp/xpnet.c
@@ -475,7 +475,7 @@ xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	if (skb->data[0] == 0xff) {
 		/* we are being asked to broadcast to all partitions */
-		for_each_bit(dest_partid, xpnet_broadcast_partitions,
+		for_each_set_bit(dest_partid, xpnet_broadcast_partitions,
 			     xp_max_npartitions) {
 
 			xpnet_send(skb, queued_msg, start_addr, end_addr,
diff --git a/drivers/i2c/chips/tsl2550.c b/drivers/misc/tsl2550.c
index a0702f36a72f..483ae5f7f68e 100644
--- a/drivers/i2c/chips/tsl2550.c
+++ b/drivers/misc/tsl2550.c
@@ -47,8 +47,8 @@ struct tsl2550_data {
 	struct i2c_client *client;
 	struct mutex update_lock;
 
-	unsigned int power_state : 1;
-	unsigned int operating_mode : 1;
+	unsigned int power_state:1;
+	unsigned int operating_mode:1;
 };
 
 /*
diff --git a/drivers/mmc/card/sdio_uart.c b/drivers/mmc/card/sdio_uart.c
index f53755533e7e..723e50894db9 100644
--- a/drivers/mmc/card/sdio_uart.c
+++ b/drivers/mmc/card/sdio_uart.c
@@ -37,6 +37,7 @@
 #include <linux/gfp.h>
 #include <linux/tty.h>
 #include <linux/tty_flip.h>
+#include <linux/kfifo.h>
 
 #include <linux/mmc/core.h>
 #include <linux/mmc/card.h>
@@ -47,19 +48,9 @@
 #define UART_NR		8	/* Number of UARTs this driver can handle */
 
 
-#define UART_XMIT_SIZE	PAGE_SIZE
+#define FIFO_SIZE	PAGE_SIZE
 #define WAKEUP_CHARS	256
 
-#define circ_empty(circ)	((circ)->head == (circ)->tail)
-#define circ_clear(circ)	((circ)->head = (circ)->tail = 0)
-
-#define circ_chars_pending(circ) \
-		(CIRC_CNT((circ)->head, (circ)->tail, UART_XMIT_SIZE))
-
-#define circ_chars_free(circ) \
-		(CIRC_SPACE((circ)->head, (circ)->tail, UART_XMIT_SIZE))
-
-
 struct uart_icount {
 	__u32	cts;
 	__u32	dsr;
@@ -82,7 +73,7 @@ struct sdio_uart_port {
 	struct mutex		func_lock;
 	struct task_struct	*in_sdio_uart_irq;
 	unsigned int		regs_offset;
-	struct circ_buf		xmit;
+	struct kfifo		xmit_fifo;
 	spinlock_t		write_lock;
 	struct uart_icount	icount;
 	unsigned int		uartclk;
@@ -105,6 +96,8 @@ static int sdio_uart_add_port(struct sdio_uart_port *port)
 	kref_init(&port->kref);
 	mutex_init(&port->func_lock);
 	spin_lock_init(&port->write_lock);
+	if (kfifo_alloc(&port->xmit_fifo, FIFO_SIZE, GFP_KERNEL))
+		return -ENOMEM;
 
 	spin_lock(&sdio_uart_table_lock);
 	for (index = 0; index < UART_NR; index++) {
@@ -140,6 +133,7 @@ static void sdio_uart_port_destroy(struct kref *kref)
 {
 	struct sdio_uart_port *port =
 		container_of(kref, struct sdio_uart_port, kref);
+	kfifo_free(&port->xmit_fifo);
 	kfree(port);
 }
 
@@ -456,9 +450,11 @@ static void sdio_uart_receive_chars(struct sdio_uart_port *port,
 
 static void sdio_uart_transmit_chars(struct sdio_uart_port *port)
 {
-	struct circ_buf *xmit = &port->xmit;
+	struct kfifo *xmit = &port->xmit_fifo;
 	int count;
 	struct tty_struct *tty;
+	u8 iobuf[16];
+	int len;
 
 	if (port->x_char) {
 		sdio_out(port, UART_TX, port->x_char);
@@ -469,27 +465,25 @@ static void sdio_uart_transmit_chars(struct sdio_uart_port *port)
 
 	tty = tty_port_tty_get(&port->port);
 
-	if (tty == NULL || circ_empty(xmit) ||
+	if (tty == NULL || !kfifo_len(xmit) ||
 				tty->stopped || tty->hw_stopped) {
 		sdio_uart_stop_tx(port);
 		tty_kref_put(tty);
 		return;
 	}
 
-	count = 16;
-	do {
-		sdio_out(port, UART_TX, xmit->buf[xmit->tail]);
-		xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
+	len = kfifo_out_locked(xmit, iobuf, 16, &port->write_lock);
+	for (count = 0; count < len; count++) {
+		sdio_out(port, UART_TX, iobuf[count]);
 		port->icount.tx++;
-		if (circ_empty(xmit))
-			break;
-	} while (--count > 0);
+	}
 
-	if (circ_chars_pending(xmit) < WAKEUP_CHARS)
+	len = kfifo_len(xmit);
+	if (len < WAKEUP_CHARS) {
 		tty_wakeup(tty);
-
-	if (circ_empty(xmit))
-		sdio_uart_stop_tx(port);
+		if (len == 0)
+			sdio_uart_stop_tx(port);
+	}
 	tty_kref_put(tty);
 }
 
@@ -581,7 +575,7 @@ static int uart_carrier_raised(struct tty_port *tport)
 	struct sdio_uart_port *port =
 			container_of(tport, struct sdio_uart_port, port);
 	unsigned int ret = sdio_uart_claim_func(port);
-	if (ret)	/* Missing hardware shoudn't block for carrier */
+	if (ret)	/* Missing hardware shouldn't block for carrier */
 		return 1;
 	ret = sdio_uart_get_mctrl(port);
 	sdio_uart_release_func(port);
@@ -632,7 +626,6 @@ static int sdio_uart_activate(struct tty_port *tport, struct tty_struct *tty)
 {
 	struct sdio_uart_port *port =
 			container_of(tport, struct sdio_uart_port, port);
-	unsigned long page;
 	int ret;
 
 	/*
@@ -641,22 +634,17 @@ static int sdio_uart_activate(struct tty_port *tport, struct tty_struct *tty)
 	 */
 	set_bit(TTY_IO_ERROR, &tty->flags);
 
-	/* Initialise and allocate the transmit buffer. */
-	page = __get_free_page(GFP_KERNEL);
-	if (!page)
-		return -ENOMEM;
-	port->xmit.buf = (unsigned char *)page;
-	circ_clear(&port->xmit);
+	kfifo_reset(&port->xmit_fifo);
 
 	ret = sdio_uart_claim_func(port);
 	if (ret)
-		goto err1;
+		return ret;
 	ret = sdio_enable_func(port->func);
 	if (ret)
-		goto err2;
+		goto err1;
 	ret = sdio_claim_irq(port->func, sdio_uart_irq);
 	if (ret)
-		goto err3;
+		goto err2;
 
 	/*
 	 * Clear the FIFO buffers and disable them.
@@ -700,12 +688,10 @@ static int sdio_uart_activate(struct tty_port *tport, struct tty_struct *tty)
 	sdio_uart_release_func(port);
 	return 0;
 
-err3:
-	sdio_disable_func(port->func);
 err2:
-	sdio_uart_release_func(port);
+	sdio_disable_func(port->func);
 err1:
-	free_page((unsigned long)port->xmit.buf);
+	sdio_uart_release_func(port);
 	return ret;
 }
 
@@ -727,7 +713,7 @@ static void sdio_uart_shutdown(struct tty_port *tport)
 
 	ret = sdio_uart_claim_func(port);
 	if (ret)
-		goto skip;
+		return;
 
 	sdio_uart_stop_rx(port);
 
@@ -749,10 +735,6 @@ static void sdio_uart_shutdown(struct tty_port *tport)
 	sdio_disable_func(port->func);
 
 	sdio_uart_release_func(port);
-
-skip:
-	/* Free the transmit buffer page. */
-	free_page((unsigned long)port->xmit.buf);
 }
 
 /**
@@ -822,27 +804,12 @@ static int sdio_uart_write(struct tty_struct *tty, const unsigned char *buf,
 			   int count)
 {
 	struct sdio_uart_port *port = tty->driver_data;
-	struct circ_buf *circ = &port->xmit;
-	int c, ret = 0;
+	int ret;
 
 	if (!port->func)
 		return -ENODEV;
 
-	spin_lock(&port->write_lock);
-	while (1) {
-		c = CIRC_SPACE_TO_END(circ->head, circ->tail, UART_XMIT_SIZE);
-		if (count < c)
-			c = count;
-		if (c <= 0)
-			break;
-		memcpy(circ->buf + circ->head, buf, c);
-		circ->head = (circ->head + c) & (UART_XMIT_SIZE - 1);
-		buf += c;
-		count -= c;
-		ret += c;
-	}
-	spin_unlock(&port->write_lock);
-
+	ret = kfifo_in_locked(&port->xmit_fifo, buf, count, &port->write_lock);
 	if (!(port->ier & UART_IER_THRI)) {
 		int err = sdio_uart_claim_func(port);
 		if (!err) {
@@ -859,13 +826,13 @@ static int sdio_uart_write(struct tty_struct *tty, const unsigned char *buf,
 static int sdio_uart_write_room(struct tty_struct *tty)
 {
 	struct sdio_uart_port *port = tty->driver_data;
-	return port ? circ_chars_free(&port->xmit) : 0;
+	return FIFO_SIZE - kfifo_len(&port->xmit_fifo);
 }
 
 static int sdio_uart_chars_in_buffer(struct tty_struct *tty)
 {
 	struct sdio_uart_port *port = tty->driver_data;
-	return port ? circ_chars_pending(&port->xmit) : 0;
+	return kfifo_len(&port->xmit_fifo);
 }
 
 static void sdio_uart_send_xchar(struct tty_struct *tty, char ch)
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 30acd5265821..3168ebd616b2 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -1089,6 +1089,7 @@ void mmc_rescan(struct work_struct *work)
 	mmc_claim_host(host);
 
 	mmc_power_up(host);
+	sdio_reset(host);
 	mmc_go_idle(host);
 
 	mmc_send_if_cond(host, host->ocr_avail);
@@ -1151,6 +1152,9 @@ void mmc_stop_host(struct mmc_host *host)
 	cancel_delayed_work(&host->detect);
 	mmc_flush_scheduled_work();
 
+	/* clear pm flags now and let card drivers set them as needed */
+	host->pm_flags = 0;
+
 	mmc_bus_get(host);
 	if (host->bus_ops && !host->bus_dead) {
 		if (host->bus_ops->remove)
@@ -1273,12 +1277,13 @@ int mmc_suspend_host(struct mmc_host *host, pm_message_t state)
 			mmc_claim_host(host);
 			mmc_detach_bus(host);
 			mmc_release_host(host);
+			host->pm_flags = 0;
 			err = 0;
 		}
 	}
 	mmc_bus_put(host);
 
-	if (!err)
+	if (!err && !(host->pm_flags & MMC_PM_KEEP_POWER))
 		mmc_power_off(host);
 
 	return err;
@@ -1296,8 +1301,10 @@ int mmc_resume_host(struct mmc_host *host)
 
 	mmc_bus_get(host);
 	if (host->bus_ops && !host->bus_dead) {
-		mmc_power_up(host);
-		mmc_select_voltage(host, host->ocr);
+		if (!(host->pm_flags & MMC_PM_KEEP_POWER)) {
+			mmc_power_up(host);
+			mmc_select_voltage(host, host->ocr);
+		}
 		BUG_ON(!host->bus_ops->resume);
 		err = host->bus_ops->resume(host);
 		if (err) {
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 0eac6c814904..e041c003db22 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -225,7 +225,7 @@ static int mmc_read_ext_csd(struct mmc_card *card)
 			mmc_card_set_blockaddr(card);
 	}
 
-	switch (ext_csd[EXT_CSD_CARD_TYPE]) {
+	switch (ext_csd[EXT_CSD_CARD_TYPE] & EXT_CSD_CARD_TYPE_MASK) {
 	case EXT_CSD_CARD_TYPE_52 | EXT_CSD_CARD_TYPE_26:
 		card->ext_csd.hs_max_dtr = 52000000;
 		break;
@@ -237,7 +237,6 @@ static int mmc_read_ext_csd(struct mmc_card *card)
 		printk(KERN_WARNING "%s: card is mmc v4 but doesn't "
 			"support any high-speed modes.\n",
 			mmc_hostname(card->host));
-		goto out;
 	}
 
 	if (card->ext_csd.rev >= 3) {
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index 06b64085a355..2dd4cfe7ca17 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -188,6 +188,40 @@ static int sdio_disable_cd(struct mmc_card *card)
 }
 
 /*
+ * Devices that remain active during a system suspend are
+ * put back into 1-bit mode.
+ */
+static int sdio_disable_wide(struct mmc_card *card)
+{
+	int ret;
+	u8 ctrl;
+
+	if (!(card->host->caps & MMC_CAP_4_BIT_DATA))
+		return 0;
+
+	if (card->cccr.low_speed && !card->cccr.wide_bus)
+		return 0;
+
+	ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_IF, 0, &ctrl);
+	if (ret)
+		return ret;
+
+	if (!(ctrl & SDIO_BUS_WIDTH_4BIT))
+		return 0;
+
+	ctrl &= ~SDIO_BUS_WIDTH_4BIT;
+	ctrl |= SDIO_BUS_ASYNC_INT;
+
+	ret = mmc_io_rw_direct(card, 1, 0, SDIO_CCCR_IF, ctrl, NULL);
+	if (ret)
+		return ret;
+
+	mmc_set_bus_width(card->host, MMC_BUS_WIDTH_1);
+
+	return 0;
+}
+
+/*
  * Test if the card supports high-speed mode and, if so, switch to it.
  */
 static int sdio_enable_hs(struct mmc_card *card)
@@ -224,7 +258,7 @@ static int sdio_enable_hs(struct mmc_card *card)
  * we're trying to reinitialise.
  */
 static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
-			      struct mmc_card *oldcard)
+			      struct mmc_card *oldcard, int powered_resume)
 {
 	struct mmc_card *card;
 	int err;
@@ -235,9 +269,11 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
 	/*
 	 * Inform the card of the voltage
 	 */
-	err = mmc_send_io_op_cond(host, host->ocr, &ocr);
-	if (err)
-		goto err;
+	if (!powered_resume) {
+		err = mmc_send_io_op_cond(host, host->ocr, &ocr);
+		if (err)
+			goto err;
+	}
 
 	/*
 	 * For SPI, enable CRC as appropriate.
@@ -262,7 +298,7 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
 	/*
 	 * For native busses:  set card RCA and quit open drain mode.
 	 */
-	if (!mmc_host_is_spi(host)) {
+	if (!powered_resume && !mmc_host_is_spi(host)) {
 		err = mmc_send_relative_addr(host, &card->rca);
 		if (err)
 			goto remove;
@@ -273,7 +309,7 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr,
 	/*
 	 * Select card, as all following commands rely on that.
 	 */
-	if (!mmc_host_is_spi(host)) {
+	if (!powered_resume && !mmc_host_is_spi(host)) {
 		err = mmc_select_card(card);
 		if (err)
 			goto remove;
@@ -425,6 +461,12 @@ static int mmc_sdio_suspend(struct mmc_host *host)
 		}
 	}
 
+	if (!err && host->pm_flags & MMC_PM_KEEP_POWER) {
+		mmc_claim_host(host);
+		sdio_disable_wide(host->card);
+		mmc_release_host(host);
+	}
+
 	return err;
 }
 
@@ -437,7 +479,13 @@ static int mmc_sdio_resume(struct mmc_host *host)
 
 	/* Basic card reinitialization. */
 	mmc_claim_host(host);
-	err = mmc_sdio_init_card(host, host->ocr, host->card);
+	err = mmc_sdio_init_card(host, host->ocr, host->card,
+				 (host->pm_flags & MMC_PM_KEEP_POWER));
+	if (!err)
+		/* We may have switched to 1-bit mode during suspend. */
+		err = sdio_enable_wide(host->card);
+	if (!err && host->sdio_irqs)
+		mmc_signal_sdio_irq(host);
 	mmc_release_host(host);
 
 	/*
@@ -507,7 +555,7 @@ int mmc_attach_sdio(struct mmc_host *host, u32 ocr)
 	/*
 	 * Detect and init the card.
 	 */
-	err = mmc_sdio_init_card(host, host->ocr, NULL);
+	err = mmc_sdio_init_card(host, host->ocr, NULL, 0);
 	if (err)
 		goto err;
 	card = host->card;
diff --git a/drivers/mmc/core/sdio_io.c b/drivers/mmc/core/sdio_io.c
index f9aa8a7deffa..ff27c8c71355 100644
--- a/drivers/mmc/core/sdio_io.c
+++ b/drivers/mmc/core/sdio_io.c
@@ -189,7 +189,12 @@ static inline unsigned int sdio_max_byte_size(struct sdio_func *func)
 {
 	unsigned mval =	min(func->card->host->max_seg_size,
 			    func->card->host->max_blk_size);
-	mval = min(mval, func->max_blksize);
+
+	if (mmc_blksz_for_byte_mode(func->card))
+		mval = min(mval, func->cur_blksize);
+	else
+		mval = min(mval, func->max_blksize);
+
 	return min(mval, 512u); /* maximum size for byte mode */
 }
 
@@ -635,3 +640,52 @@ void sdio_f0_writeb(struct sdio_func *func, unsigned char b, unsigned int addr,
 		*err_ret = ret;
 }
 EXPORT_SYMBOL_GPL(sdio_f0_writeb);
+
+/**
+ *	sdio_get_host_pm_caps - get host power management capabilities
+ *	@func: SDIO function attached to host
+ *
+ *	Returns a capability bitmask corresponding to power management
+ *	features supported by the host controller that the card function
+ *	might rely upon during a system suspend.  The host doesn't need
+ *	to be claimed, nor the function active, for this information to be
+ *	obtained.
+ */
+mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func)
+{
+	BUG_ON(!func);
+	BUG_ON(!func->card);
+
+	return func->card->host->pm_caps;
+}
+EXPORT_SYMBOL_GPL(sdio_get_host_pm_caps);
+
+/**
+ *	sdio_set_host_pm_flags - set wanted host power management capabilities
+ *	@func: SDIO function attached to host
+ *
+ *	Set a capability bitmask corresponding to wanted host controller
+ *	power management features for the upcoming suspend state.
+ *	This must be called, if needed, each time the suspend method of
+ *	the function driver is called, and must contain only bits that
+ *	were returned by sdio_get_host_pm_caps().
+ *	The host doesn't need to be claimed, nor the function active,
+ *	for this information to be set.
+ */
+int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags)
+{
+	struct mmc_host *host;
+
+	BUG_ON(!func);
+	BUG_ON(!func->card);
+
+	host = func->card->host;
+
+	if (flags & ~host->pm_caps)
+		return -EINVAL;
+
+	/* function suspend methods are serialized, hence no lock needed */
+	host->pm_flags |= flags;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(sdio_set_host_pm_flags);
diff --git a/drivers/mmc/core/sdio_ops.c b/drivers/mmc/core/sdio_ops.c
index 4eb7825fd1a7..dea36d9c22e6 100644
--- a/drivers/mmc/core/sdio_ops.c
+++ b/drivers/mmc/core/sdio_ops.c
@@ -67,13 +67,13 @@ int mmc_send_io_op_cond(struct mmc_host *host, u32 ocr, u32 *rocr)
 	return err;
 }
 
-int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
-	unsigned addr, u8 in, u8* out)
+static int mmc_io_rw_direct_host(struct mmc_host *host, int write, unsigned fn,
+	unsigned addr, u8 in, u8 *out)
 {
 	struct mmc_command cmd;
 	int err;
 
-	BUG_ON(!card);
+	BUG_ON(!host);
 	BUG_ON(fn > 7);
 
 	/* sanity check */
@@ -90,11 +90,11 @@ int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
 	cmd.arg |= in;
 	cmd.flags = MMC_RSP_SPI_R5 | MMC_RSP_R5 | MMC_CMD_AC;
 
-	err = mmc_wait_for_cmd(card->host, &cmd, 0);
+	err = mmc_wait_for_cmd(host, &cmd, 0);
 	if (err)
 		return err;
 
-	if (mmc_host_is_spi(card->host)) {
+	if (mmc_host_is_spi(host)) {
 		/* host driver already reported errors */
 	} else {
 		if (cmd.resp[0] & R5_ERROR)
@@ -106,7 +106,7 @@ int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
 	}
 
 	if (out) {
-		if (mmc_host_is_spi(card->host))
+		if (mmc_host_is_spi(host))
 			*out = (cmd.resp[0] >> 8) & 0xFF;
 		else
 			*out = cmd.resp[0] & 0xFF;
@@ -115,6 +115,13 @@ int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
 	return 0;
 }
 
+int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
+	unsigned addr, u8 in, u8 *out)
+{
+	BUG_ON(!card);
+	return mmc_io_rw_direct_host(card->host, write, fn, addr, in, out);
+}
+
 int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
 	unsigned addr, int incr_addr, u8 *buf, unsigned blocks, unsigned blksz)
 {
@@ -182,3 +189,20 @@ int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
 	return 0;
 }
 
+int sdio_reset(struct mmc_host *host)
+{
+	int ret;
+	u8 abort;
+
+	/* SDIO Simplified Specification V2.0, 4.4 Reset for SDIO */
+
+	ret = mmc_io_rw_direct_host(host, 0, 0, SDIO_CCCR_ABORT, 0, &abort);
+	if (ret)
+		abort = 0x08;
+	else
+		abort |= 0x08;
+
+	ret = mmc_io_rw_direct_host(host, 1, 0, SDIO_CCCR_ABORT, abort, NULL);
+	return ret;
+}
+
diff --git a/drivers/mmc/core/sdio_ops.h b/drivers/mmc/core/sdio_ops.h
index e2e74b0d17d8..12a4d3ab174c 100644
--- a/drivers/mmc/core/sdio_ops.h
+++ b/drivers/mmc/core/sdio_ops.h
@@ -17,6 +17,7 @@ int mmc_io_rw_direct(struct mmc_card *card, int write, unsigned fn,
 	unsigned addr, u8 in, u8* out);
 int mmc_io_rw_extended(struct mmc_card *card, int write, unsigned fn,
 	unsigned addr, int incr_addr, u8 *buf, unsigned blocks, unsigned blksz);
+int sdio_reset(struct mmc_host *host);
 
 #endif
 
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index ce1d28884e29..2e13b94769fd 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -69,20 +69,16 @@ config MMC_SDHCI_PCI
 	  If unsure, say N.
 
 config MMC_RICOH_MMC
-	tristate "Ricoh MMC Controller Disabler  (EXPERIMENTAL)"
+	bool "Ricoh MMC Controller Disabler  (EXPERIMENTAL)"
 	depends on MMC_SDHCI_PCI
 	help
-	  This selects the disabler for the Ricoh MMC Controller. This
+	  This adds a pci quirk to disable Ricoh MMC Controller. This
 	  proprietary controller is unnecessary because the SDHCI driver
 	  supports MMC cards on the SD controller, but if it is not
 	  disabled, it will steal the MMC cards away - rendering them
-	  useless. It is safe to select this driver even if you don't
+	  useless. It is safe to select this even if you don't
 	  have a Ricoh based card reader.
 
-
-	  To compile this driver as a module, choose M here:
-	  the module will be called ricoh_mmc.
-
 	  If unsure, say Y.
 
 config MMC_SDHCI_OF
@@ -193,6 +189,7 @@ config MMC_AU1X
 
 choice
 	prompt "Atmel SD/MMC Driver"
+	depends on AVR32 || ARCH_AT91
 	default MMC_ATMELMCI if AVR32
 	help
 	  Choose which driver to use for the Atmel MCI Silicon
@@ -368,7 +365,7 @@ config MMC_SDRICOH_CS
 
 config MMC_TMIO
 	tristate "Toshiba Mobile IO Controller (TMIO) MMC/SD function support"
-	depends on MFD_TMIO || MFD_ASIC3 || SUPERH
+	depends on MFD_TMIO || MFD_ASIC3 || MFD_SH_MOBILE_SDHI
 	help
 	  This provides support for the SD/MMC cell found in TC6393XB,
 	  T7L66XB and also HTC ASIC3
@@ -399,7 +396,7 @@ config MMC_VIA_SDMMC
 
 config SDH_BFIN
 	tristate "Blackfin Secure Digital Host support"
-	depends on MMC && ((BF54x && !BF544) || (BF51x && !BF512))
+	depends on (BF54x && !BF544) || (BF51x && !BF512)
 	help
 	  If you say yes here you will get support for the Blackfin on-chip
 	  Secure Digital Host interface.  This includes support for MMC and
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile
index 3d253dd4240f..f4803977dfce 100644
--- a/drivers/mmc/host/Makefile
+++ b/drivers/mmc/host/Makefile
@@ -12,7 +12,6 @@ obj-$(CONFIG_MMC_IMX)		+= imxmmc.o
 obj-$(CONFIG_MMC_MXC)		+= mxcmmc.o
 obj-$(CONFIG_MMC_SDHCI)		+= sdhci.o
 obj-$(CONFIG_MMC_SDHCI_PCI)	+= sdhci-pci.o
-obj-$(CONFIG_MMC_RICOH_MMC)	+= ricoh_mmc.o
 obj-$(CONFIG_MMC_SDHCI_PLTFM)	+= sdhci-pltfm.o
 obj-$(CONFIG_MMC_SDHCI_S3C)	+= sdhci-s3c.o
 obj-$(CONFIG_MMC_WBSD)		+= wbsd.o
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index 63924e0c7ea9..91dc60cd032b 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -78,6 +78,17 @@
 
 #define DRIVER_NAME "at91_mci"
 
+static inline int at91mci_is_mci1rev2xx(void)
+{
+	return (   cpu_is_at91sam9260()
+		|| cpu_is_at91sam9263()
+		|| cpu_is_at91cap9()
+		|| cpu_is_at91sam9rl()
+		|| cpu_is_at91sam9g10()
+		|| cpu_is_at91sam9g20()
+		);
+}
+
 #define FL_SENT_COMMAND	(1 << 0)
 #define FL_SENT_STOP	(1 << 1)
 
@@ -88,6 +99,10 @@
 #define at91_mci_read(host, reg)	__raw_readl((host)->baseaddr + (reg))
 #define at91_mci_write(host, reg, val)	__raw_writel((val), (host)->baseaddr + (reg))
 
+#define MCI_BLKSIZE 		512
+#define MCI_MAXBLKSIZE 		4095
+#define MCI_BLKATONCE 		256
+#define MCI_BUFSIZE 		(MCI_BLKSIZE * MCI_BLKATONCE)
 
 /*
  * Low level type for this driver
@@ -200,8 +215,8 @@ static inline void at91_mci_sg_to_dma(struct at91mci_host *host, struct mmc_data
 	size = data->blksz * data->blocks;
 	len = data->sg_len;
 
-	/* AT91SAM926[0/3] Data Write Operation and number of bytes erratum */
-	if (cpu_is_at91sam9260() || cpu_is_at91sam9263())
+	/* MCI1 rev2xx Data Write Operation and number of bytes erratum */
+	if (at91mci_is_mci1rev2xx())
 		if (host->total_length == 12)
 			memset(dmabuf, 0, 12);
 
@@ -227,8 +242,10 @@ static inline void at91_mci_sg_to_dma(struct at91mci_host *host, struct mmc_data
 			for (index = 0; index < (amount / 4); index++)
 				*dmabuf++ = swab32(sgbuffer[index]);
 		} else {
-			memcpy(dmabuf, sgbuffer, amount);
-			dmabuf += amount;
+			char *tmpv = (char *)dmabuf;
+			memcpy(tmpv, sgbuffer, amount);
+			tmpv += amount;
+			dmabuf = (unsigned *)tmpv;
 		}
 
 		kunmap_atomic(sgbuffer, KM_BIO_SRC_IRQ);
@@ -245,80 +262,14 @@ static inline void at91_mci_sg_to_dma(struct at91mci_host *host, struct mmc_data
 }
 
 /*
- * Prepare a dma read
- */
-static void at91_mci_pre_dma_read(struct at91mci_host *host)
-{
-	int i;
-	struct scatterlist *sg;
-	struct mmc_command *cmd;
-	struct mmc_data *data;
-
-	pr_debug("pre dma read\n");
-
-	cmd = host->cmd;
-	if (!cmd) {
-		pr_debug("no command\n");
-		return;
-	}
-
-	data = cmd->data;
-	if (!data) {
-		pr_debug("no data\n");
-		return;
-	}
-
-	for (i = 0; i < 2; i++) {
-		/* nothing left to transfer */
-		if (host->transfer_index >= data->sg_len) {
-			pr_debug("Nothing left to transfer (index = %d)\n", host->transfer_index);
-			break;
-		}
-
-		/* Check to see if this needs filling */
-		if (i == 0) {
-			if (at91_mci_read(host, ATMEL_PDC_RCR) != 0) {
-				pr_debug("Transfer active in current\n");
-				continue;
-			}
-		}
-		else {
-			if (at91_mci_read(host, ATMEL_PDC_RNCR) != 0) {
-				pr_debug("Transfer active in next\n");
-				continue;
-			}
-		}
-
-		/* Setup the next transfer */
-		pr_debug("Using transfer index %d\n", host->transfer_index);
-
-		sg = &data->sg[host->transfer_index++];
-		pr_debug("sg = %p\n", sg);
-
-		sg->dma_address = dma_map_page(NULL, sg_page(sg), sg->offset, sg->length, DMA_FROM_DEVICE);
-
-		pr_debug("dma address = %08X, length = %d\n", sg->dma_address, sg->length);
-
-		if (i == 0) {
-			at91_mci_write(host, ATMEL_PDC_RPR, sg->dma_address);
-			at91_mci_write(host, ATMEL_PDC_RCR, (data->blksz & 0x3) ? sg->length : sg->length / 4);
-		}
-		else {
-			at91_mci_write(host, ATMEL_PDC_RNPR, sg->dma_address);
-			at91_mci_write(host, ATMEL_PDC_RNCR, (data->blksz & 0x3) ? sg->length : sg->length / 4);
-		}
-	}
-
-	pr_debug("pre dma read done\n");
-}
-
-/*
  * Handle after a dma read
  */
 static void at91_mci_post_dma_read(struct at91mci_host *host)
 {
 	struct mmc_command *cmd;
 	struct mmc_data *data;
+	unsigned int len, i, size;
+	unsigned *dmabuf = host->buffer;
 
 	pr_debug("post dma read\n");
 
@@ -334,42 +285,39 @@ static void at91_mci_post_dma_read(struct at91mci_host *host)
 		return;
 	}
 
-	while (host->in_use_index < host->transfer_index) {
-		struct scatterlist *sg;
+	size = data->blksz * data->blocks;
+	len = data->sg_len;
 
-		pr_debug("finishing index %d\n", host->in_use_index);
+	at91_mci_write(host, AT91_MCI_IDR, AT91_MCI_ENDRX);
+	at91_mci_write(host, AT91_MCI_IER, AT91_MCI_RXBUFF);
 
-		sg = &data->sg[host->in_use_index++];
+	for (i = 0; i < len; i++) {
+		struct scatterlist *sg;
+		int amount;
+		unsigned int *sgbuffer;
 
-		pr_debug("Unmapping page %08X\n", sg->dma_address);
+		sg = &data->sg[i];
 
-		dma_unmap_page(NULL, sg->dma_address, sg->length, DMA_FROM_DEVICE);
+		sgbuffer = kmap_atomic(sg_page(sg), KM_BIO_SRC_IRQ) + sg->offset;
+		amount = min(size, sg->length);
+		size -= amount;
 
 		if (cpu_is_at91rm9200()) {	/* AT91RM9200 errata */
-			unsigned int *buffer;
 			int index;
-
-			/* Swap the contents of the buffer */
-			buffer = kmap_atomic(sg_page(sg), KM_BIO_SRC_IRQ) + sg->offset;
-			pr_debug("buffer = %p, length = %d\n", buffer, sg->length);
-
-			for (index = 0; index < (sg->length / 4); index++)
-				buffer[index] = swab32(buffer[index]);
-
-			kunmap_atomic(buffer, KM_BIO_SRC_IRQ);
+			for (index = 0; index < (amount / 4); index++)
+				sgbuffer[index] = swab32(*dmabuf++);
+		} else {
+			char *tmpv = (char *)dmabuf;
+			memcpy(sgbuffer, tmpv, amount);
+			tmpv += amount;
+			dmabuf = (unsigned *)tmpv;
 		}
 
-		flush_dcache_page(sg_page(sg));
-
-		data->bytes_xfered += sg->length;
-	}
-
-	/* Is there another transfer to trigger? */
-	if (host->transfer_index < data->sg_len)
-		at91_mci_pre_dma_read(host);
-	else {
-		at91_mci_write(host, AT91_MCI_IDR, AT91_MCI_ENDRX);
-		at91_mci_write(host, AT91_MCI_IER, AT91_MCI_RXBUFF);
+		kunmap_atomic(sgbuffer, KM_BIO_SRC_IRQ);
+		dmac_flush_range((void *)sgbuffer, ((void *)sgbuffer) + amount);
+		data->bytes_xfered += amount;
+		if (size == 0)
+			break;
 	}
 
 	pr_debug("post dma read done\n");
@@ -461,7 +409,7 @@ static void at91_mci_enable(struct at91mci_host *host)
 	at91_mci_write(host, AT91_MCI_DTOR, AT91_MCI_DTOMUL_1M | AT91_MCI_DTOCYC);
 	mr = AT91_MCI_PDCMODE | 0x34a;
 
-	if (cpu_is_at91sam9260() || cpu_is_at91sam9263())
+	if (at91mci_is_mci1rev2xx())
 		mr |= AT91_MCI_RDPROOF | AT91_MCI_WRPROOF;
 
 	at91_mci_write(host, AT91_MCI_MR, mr);
@@ -602,10 +550,14 @@ static void at91_mci_send_command(struct at91mci_host *host, struct mmc_command
 				/*
 				 * Handle a read
 				 */
-				host->buffer = NULL;
 				host->total_length = 0;
 
-				at91_mci_pre_dma_read(host);
+				at91_mci_write(host, ATMEL_PDC_RPR, host->physical_address);
+				at91_mci_write(host, ATMEL_PDC_RCR, (data->blksz & 0x3) ?
+					(blocks * block_length) : (blocks * block_length) / 4);
+				at91_mci_write(host, ATMEL_PDC_RNPR, 0);
+				at91_mci_write(host, ATMEL_PDC_RNCR, 0);
+
 				ier = AT91_MCI_ENDRX /* | AT91_MCI_RXBUFF */;
 			}
 			else {
@@ -614,27 +566,15 @@ static void at91_mci_send_command(struct at91mci_host *host, struct mmc_command
 				 */
 				host->total_length = block_length * blocks;
 				/*
-				 * AT91SAM926[0/3] Data Write Operation and
+				 * MCI1 rev2xx Data Write Operation and
 				 * number of bytes erratum
 				 */
-				if (cpu_is_at91sam9260 () || cpu_is_at91sam9263())
+				if (at91mci_is_mci1rev2xx())
 					if (host->total_length < 12)
 						host->total_length = 12;
 
-				host->buffer = kmalloc(host->total_length, GFP_KERNEL);
-				if (!host->buffer) {
-					pr_debug("Can't alloc tx buffer\n");
-					cmd->error = -ENOMEM;
-					mmc_request_done(host->mmc, host->request);
-					return;
-				}
-
 				at91_mci_sg_to_dma(host, data);
 
-				host->physical_address = dma_map_single(NULL,
-						host->buffer, host->total_length,
-						DMA_TO_DEVICE);
-
 				pr_debug("Transmitting %d bytes\n", host->total_length);
 
 				at91_mci_write(host, ATMEL_PDC_TPR, host->physical_address);
@@ -701,14 +641,6 @@ static void at91_mci_completed_command(struct at91mci_host *host, unsigned int s
 	cmd->resp[2] = at91_mci_read(host, AT91_MCI_RSPR(2));
 	cmd->resp[3] = at91_mci_read(host, AT91_MCI_RSPR(3));
 
-	if (host->buffer) {
-		dma_unmap_single(NULL,
-				host->physical_address, host->total_length,
-				DMA_TO_DEVICE);
-		kfree(host->buffer);
-		host->buffer = NULL;
-	}
-
 	pr_debug("Status = %08X/%08x [%08X %08X %08X %08X]\n",
 		 status, at91_mci_read(host, AT91_MCI_SR),
 		 cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3]);
@@ -754,7 +686,8 @@ static void at91_mci_request(struct mmc_host *mmc, struct mmc_request *mrq)
 	host->request = mrq;
 	host->flags = 0;
 
-	mod_timer(&host->timer, jiffies +  HZ);
+	/* more than 1s timeout needed with slow SD cards */
+	mod_timer(&host->timer, jiffies +  msecs_to_jiffies(2000));
 
 	at91_mci_process_next(host);
 }
@@ -942,7 +875,8 @@ static irqreturn_t at91_mmc_det_irq(int irq, void *_host)
 			pr_debug("****** Resetting SD-card bus width ******\n");
 			at91_mci_write(host, AT91_MCI_SDCR, at91_mci_read(host, AT91_MCI_SDCR) & ~AT91_MCI_SDCBUS);
 		}
-		mmc_detect_change(host->mmc, msecs_to_jiffies(100));
+		/* 0.5s needed because of early card detect switch firing */
+		mmc_detect_change(host->mmc, msecs_to_jiffies(500));
 	}
 	return IRQ_HANDLED;
 }
@@ -1006,24 +940,42 @@ static int __init at91_mci_probe(struct platform_device *pdev)
 	mmc->f_min = 375000;
 	mmc->f_max = 25000000;
 	mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
-	mmc->caps = MMC_CAP_SDIO_IRQ;
+	mmc->caps = 0;
 
-	mmc->max_blk_size = 4095;
-	mmc->max_blk_count = mmc->max_req_size;
+	mmc->max_blk_size  = MCI_MAXBLKSIZE;
+	mmc->max_blk_count = MCI_BLKATONCE;
+	mmc->max_req_size  = MCI_BUFSIZE;
+	mmc->max_phys_segs = MCI_BLKATONCE;
+	mmc->max_hw_segs   = MCI_BLKATONCE;
+	mmc->max_seg_size  = MCI_BUFSIZE;
 
 	host = mmc_priv(mmc);
 	host->mmc = mmc;
-	host->buffer = NULL;
 	host->bus_mode = 0;
 	host->board = pdev->dev.platform_data;
 	if (host->board->wire4) {
-		if (cpu_is_at91sam9260() || cpu_is_at91sam9263())
+		if (at91mci_is_mci1rev2xx())
 			mmc->caps |= MMC_CAP_4_BIT_DATA;
 		else
 			dev_warn(&pdev->dev, "4 wire bus mode not supported"
 				" - using 1 wire\n");
 	}
 
+	host->buffer = dma_alloc_coherent(&pdev->dev, MCI_BUFSIZE,
+					&host->physical_address, GFP_KERNEL);
+	if (!host->buffer) {
+		ret = -ENOMEM;
+		dev_err(&pdev->dev, "Can't allocate transmit buffer\n");
+		goto fail5;
+	}
+
+	/* Add SDIO capability when available */
+	if (at91mci_is_mci1rev2xx()) {
+		/* at91mci MCI1 rev2xx sdio interrupt erratum */
+		if (host->board->wire4 || !host->board->slot_b)
+			mmc->caps |= MMC_CAP_SDIO_IRQ;
+	}
+
 	/*
 	 * Reserve GPIOs ... board init code makes sure these pins are set
 	 * up as GPIOs with the right direction (input, except for vcc)
@@ -1032,7 +984,7 @@ static int __init at91_mci_probe(struct platform_device *pdev)
 		ret = gpio_request(host->board->det_pin, "mmc_detect");
 		if (ret < 0) {
 			dev_dbg(&pdev->dev, "couldn't claim card detect pin\n");
-			goto fail5;
+			goto fail4b;
 		}
 	}
 	if (host->board->wp_pin) {
@@ -1132,6 +1084,10 @@ fail3:
 fail4:
 	if (host->board->det_pin)
 		gpio_free(host->board->det_pin);
+fail4b:
+	if (host->buffer)
+		dma_free_coherent(&pdev->dev, MCI_BUFSIZE,
+				host->buffer, host->physical_address);
 fail5:
 	mmc_free_host(mmc);
 fail6:
@@ -1154,6 +1110,10 @@ static int __exit at91_mci_remove(struct platform_device *pdev)
 
 	host = mmc_priv(mmc);
 
+	if (host->buffer)
+		dma_free_coherent(&pdev->dev, MCI_BUFSIZE,
+				host->buffer, host->physical_address);
+
 	if (host->board->det_pin) {
 		if (device_can_wakeup(&pdev->dev))
 			free_irq(gpio_to_irq(host->board->det_pin), host);
diff --git a/drivers/mmc/host/bfin_sdh.c b/drivers/mmc/host/bfin_sdh.c
index 3343a57355cc..56f7b448b911 100644
--- a/drivers/mmc/host/bfin_sdh.c
+++ b/drivers/mmc/host/bfin_sdh.c
@@ -115,7 +115,7 @@ static int sdh_setup_data(struct sdh_host *host, struct mmc_data *data)
 	unsigned int length;
 	unsigned int data_ctl;
 	unsigned int dma_cfg;
-	struct scatterlist *sg;
+	unsigned int cycle_ns, timeout;
 
 	dev_dbg(mmc_dev(host->mmc), "%s enter flags: 0x%x\n", __func__, data->flags);
 	host->data = data;
@@ -136,8 +136,11 @@ static int sdh_setup_data(struct sdh_host *host, struct mmc_data *data)
 	data_ctl |= ((ffs(data->blksz) - 1) << 4);
 
 	bfin_write_SDH_DATA_CTL(data_ctl);
-
-	bfin_write_SDH_DATA_TIMER(0xFFFF);
+	/* the time of a host clock period in ns */
+	cycle_ns = 1000000000 / (get_sclk() / (2 * (host->clk_div + 1)));
+	timeout = data->timeout_ns / cycle_ns;
+	timeout += data->timeout_clks;
+	bfin_write_SDH_DATA_TIMER(timeout);
 	SSYNC();
 
 	if (data->flags & MMC_DATA_READ) {
@@ -151,6 +154,7 @@ static int sdh_setup_data(struct sdh_host *host, struct mmc_data *data)
 #if defined(CONFIG_BF54x)
 	dma_cfg |= DMAFLOW_ARRAY | NDSIZE_5 | RESTART | WDSIZE_32 | DMAEN;
 	{
+		struct scatterlist *sg;
 		int i;
 		for_each_sg(data->sg, sg, host->dma_len, i) {
 			host->sg_cpu[i].start_addr = sg_dma_address(sg);
diff --git a/drivers/mmc/host/davinci_mmc.c b/drivers/mmc/host/davinci_mmc.c
index dd45e7c3517e..3bd0ba294e9d 100644
--- a/drivers/mmc/host/davinci_mmc.c
+++ b/drivers/mmc/host/davinci_mmc.c
@@ -73,6 +73,7 @@
 /* DAVINCI_MMCCTL definitions */
 #define MMCCTL_DATRST         (1 << 0)
 #define MMCCTL_CMDRST         (1 << 1)
+#define MMCCTL_WIDTH_8_BIT    (1 << 8)
 #define MMCCTL_WIDTH_4_BIT    (1 << 2)
 #define MMCCTL_DATEG_DISABLED (0 << 6)
 #define MMCCTL_DATEG_RISING   (1 << 6)
@@ -791,22 +792,42 @@ static void calculate_clk_divider(struct mmc_host *mmc, struct mmc_ios *ios)
 
 static void mmc_davinci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 {
-	unsigned int mmc_pclk = 0;
 	struct mmc_davinci_host *host = mmc_priv(mmc);
 
-	mmc_pclk = host->mmc_input_clk;
 	dev_dbg(mmc_dev(host->mmc),
 		"clock %dHz busmode %d powermode %d Vdd %04x\n",
 		ios->clock, ios->bus_mode, ios->power_mode,
 		ios->vdd);
-	if (ios->bus_width == MMC_BUS_WIDTH_4) {
-		dev_dbg(mmc_dev(host->mmc), "Enabling 4 bit mode\n");
-		writel(readl(host->base + DAVINCI_MMCCTL) | MMCCTL_WIDTH_4_BIT,
-			host->base + DAVINCI_MMCCTL);
-	} else {
-		dev_dbg(mmc_dev(host->mmc), "Disabling 4 bit mode\n");
-		writel(readl(host->base + DAVINCI_MMCCTL) & ~MMCCTL_WIDTH_4_BIT,
+
+	switch (ios->bus_width) {
+	case MMC_BUS_WIDTH_8:
+		dev_dbg(mmc_dev(host->mmc), "Enabling 8 bit mode\n");
+		writel((readl(host->base + DAVINCI_MMCCTL) &
+			~MMCCTL_WIDTH_4_BIT) | MMCCTL_WIDTH_8_BIT,
 			host->base + DAVINCI_MMCCTL);
+		break;
+	case MMC_BUS_WIDTH_4:
+		dev_dbg(mmc_dev(host->mmc), "Enabling 4 bit mode\n");
+		if (host->version == MMC_CTLR_VERSION_2)
+			writel((readl(host->base + DAVINCI_MMCCTL) &
+				~MMCCTL_WIDTH_8_BIT) | MMCCTL_WIDTH_4_BIT,
+				host->base + DAVINCI_MMCCTL);
+		else
+			writel(readl(host->base + DAVINCI_MMCCTL) |
+				MMCCTL_WIDTH_4_BIT,
+				host->base + DAVINCI_MMCCTL);
+		break;
+	case MMC_BUS_WIDTH_1:
+		dev_dbg(mmc_dev(host->mmc), "Enabling 1 bit mode\n");
+		if (host->version == MMC_CTLR_VERSION_2)
+			writel(readl(host->base + DAVINCI_MMCCTL) &
+				~(MMCCTL_WIDTH_8_BIT | MMCCTL_WIDTH_4_BIT),
+				host->base + DAVINCI_MMCCTL);
+		else
+			writel(readl(host->base + DAVINCI_MMCCTL) &
+				~MMCCTL_WIDTH_4_BIT,
+				host->base + DAVINCI_MMCCTL);
+		break;
 	}
 
 	calculate_clk_divider(mmc, ios);
@@ -1189,10 +1210,14 @@ static int __init davinci_mmcsd_probe(struct platform_device *pdev)
 
 	/* REVISIT:  someday, support IRQ-driven card detection.  */
 	mmc->caps |= MMC_CAP_NEEDS_POLL;
+	mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY;
 
-	if (!pdata || pdata->wires == 4 || pdata->wires == 0)
+	if (pdata && (pdata->wires == 4 || pdata->wires == 0))
 		mmc->caps |= MMC_CAP_4_BIT_DATA;
 
+	if (pdata && (pdata->wires == 8))
+		mmc->caps |= (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA);
+
 	host->version = pdata->version;
 
 	mmc->ops = &mmc_davinci_ops;
diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index b31946e0b4ca..4c068e5fe6b2 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -1250,9 +1250,7 @@ msmsdcc_resume(struct platform_device *dev)
 
 		if (mmc->card && mmc->card->type != MMC_TYPE_SDIO)
 			mmc_resume_host(mmc);
-			if (host->stat_irq)
-				enable_irq(host->stat_irq);
-		else if (host->stat_irq)
+		if (host->stat_irq)
 			enable_irq(host->stat_irq);
 	}
 	return 0;
diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 60a2b69e54f5..2df90412abb5 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -4,7 +4,7 @@
  *  This is a driver for the SDHC controller found in Freescale MX2/MX3
  *  SoCs. It is basically the same hardware as found on MX1 (imxmmc.c).
  *  Unlike the hardware found on MX1, this hardware just works and does
- *  not need all the quirks found in imxmmc.c, hence the seperate driver.
+ *  not need all the quirks found in imxmmc.c, hence the separate driver.
  *
  *  Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
  *  Copyright (C) 2006 Pavel Pisa, PiKRON <ppisa@pikron.com>
@@ -708,7 +708,7 @@ static int mxcmci_probe(struct platform_device *pdev)
 	mmc->max_blk_size = 2048;
 	mmc->max_blk_count = 65535;
 	mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count;
-	mmc->max_seg_size = mmc->max_seg_size;
+	mmc->max_seg_size = mmc->max_req_size;
 
 	host = mmc_priv(mmc);
 	host->base = ioremap(r->start, resource_size(r));
diff --git a/drivers/mmc/host/ricoh_mmc.c b/drivers/mmc/host/ricoh_mmc.c
deleted file mode 100644
index f62790513322..000000000000
--- a/drivers/mmc/host/ricoh_mmc.c
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- *  ricoh_mmc.c - Dummy driver to disable the Rioch MMC controller.
- *
- *  Copyright (C) 2007 Philip Langdale, All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or (at
- * your option) any later version.
- */
-
-/*
- * This is a conceptually ridiculous driver, but it is required by the way
- * the Ricoh multi-function chips (R5CXXX) work. These chips implement
- * the four main memory card controllers (SD, MMC, MS, xD) and one or both
- * of cardbus or firewire. It happens that they implement SD and MMC
- * support as separate controllers (and PCI functions). The linux SDHCI
- * driver supports MMC cards but the chip detects MMC cards in hardware
- * and directs them to the MMC controller - so the SDHCI driver never sees
- * them. To get around this, we must disable the useless MMC controller.
- * At that point, the SDHCI controller will start seeing them. As a bonus,
- * a detection event occurs immediately, even if the MMC card is already
- * in the reader.
- *
- * It seems to be the case that the relevant PCI registers to deactivate the
- * MMC controller live on PCI function 0, which might be the cardbus controller
- * or the firewire controller, depending on the particular chip in question. As
- * such, it makes what this driver has to do unavoidably ugly. Such is life.
- */
-
-#include <linux/pci.h>
-
-#define DRIVER_NAME "ricoh-mmc"
-
-static const struct pci_device_id pci_ids[] __devinitdata = {
-	{
-		.vendor		= PCI_VENDOR_ID_RICOH,
-		.device		= PCI_DEVICE_ID_RICOH_R5C843,
-		.subvendor	= PCI_ANY_ID,
-		.subdevice	= PCI_ANY_ID,
-	},
-	{ /* end: all zeroes */ },
-};
-
-MODULE_DEVICE_TABLE(pci, pci_ids);
-
-static int ricoh_mmc_disable(struct pci_dev *fw_dev)
-{
-	u8 write_enable;
-	u8 write_target;
-	u8 disable;
-
-	if (fw_dev->device == PCI_DEVICE_ID_RICOH_RL5C476) {
-		/* via RL5C476 */
-
-		pci_read_config_byte(fw_dev, 0xB7, &disable);
-		if (disable & 0x02) {
-			printk(KERN_INFO DRIVER_NAME
-				": Controller already disabled. " \
-				"Nothing to do.\n");
-			return -ENODEV;
-		}
-
-		pci_read_config_byte(fw_dev, 0x8E, &write_enable);
-		pci_write_config_byte(fw_dev, 0x8E, 0xAA);
-		pci_read_config_byte(fw_dev, 0x8D, &write_target);
-		pci_write_config_byte(fw_dev, 0x8D, 0xB7);
-		pci_write_config_byte(fw_dev, 0xB7, disable | 0x02);
-		pci_write_config_byte(fw_dev, 0x8E, write_enable);
-		pci_write_config_byte(fw_dev, 0x8D, write_target);
-	} else {
-		/* via R5C832 */
-
-		pci_read_config_byte(fw_dev, 0xCB, &disable);
-		if (disable & 0x02) {
-			printk(KERN_INFO DRIVER_NAME
-			       ": Controller already disabled. " \
-				"Nothing to do.\n");
-			return -ENODEV;
-		}
-
-		pci_read_config_byte(fw_dev, 0xCA, &write_enable);
-		pci_write_config_byte(fw_dev, 0xCA, 0x57);
-		pci_write_config_byte(fw_dev, 0xCB, disable | 0x02);
-		pci_write_config_byte(fw_dev, 0xCA, write_enable);
-	}
-
-	printk(KERN_INFO DRIVER_NAME
-	       ": Controller is now disabled.\n");
-
-	return 0;
-}
-
-static int ricoh_mmc_enable(struct pci_dev *fw_dev)
-{
-	u8 write_enable;
-	u8 write_target;
-	u8 disable;
-
-	if (fw_dev->device == PCI_DEVICE_ID_RICOH_RL5C476) {
-		/* via RL5C476 */
-
-		pci_read_config_byte(fw_dev, 0x8E, &write_enable);
-		pci_write_config_byte(fw_dev, 0x8E, 0xAA);
-		pci_read_config_byte(fw_dev, 0x8D, &write_target);
-		pci_write_config_byte(fw_dev, 0x8D, 0xB7);
-		pci_read_config_byte(fw_dev, 0xB7, &disable);
-		pci_write_config_byte(fw_dev, 0xB7, disable & ~0x02);
-		pci_write_config_byte(fw_dev, 0x8E, write_enable);
-		pci_write_config_byte(fw_dev, 0x8D, write_target);
-	} else {
-		/* via R5C832 */
-
-		pci_read_config_byte(fw_dev, 0xCA, &write_enable);
-		pci_read_config_byte(fw_dev, 0xCB, &disable);
-		pci_write_config_byte(fw_dev, 0xCA, 0x57);
-		pci_write_config_byte(fw_dev, 0xCB, disable & ~0x02);
-		pci_write_config_byte(fw_dev, 0xCA, write_enable);
-	}
-
-	printk(KERN_INFO DRIVER_NAME
-	       ": Controller is now re-enabled.\n");
-
-	return 0;
-}
-
-static int __devinit ricoh_mmc_probe(struct pci_dev *pdev,
-				     const struct pci_device_id *ent)
-{
-	u8 rev;
-	u8 ctrlfound = 0;
-
-	struct pci_dev *fw_dev = NULL;
-
-	BUG_ON(pdev == NULL);
-	BUG_ON(ent == NULL);
-
-	pci_read_config_byte(pdev, PCI_CLASS_REVISION, &rev);
-
-	printk(KERN_INFO DRIVER_NAME
-		": Ricoh MMC controller found at %s [%04x:%04x] (rev %x)\n",
-		pci_name(pdev), (int)pdev->vendor, (int)pdev->device,
-		(int)rev);
-
-	while ((fw_dev =
-		pci_get_device(PCI_VENDOR_ID_RICOH,
-			PCI_DEVICE_ID_RICOH_RL5C476, fw_dev))) {
-		if (PCI_SLOT(pdev->devfn) == PCI_SLOT(fw_dev->devfn) &&
-		    PCI_FUNC(fw_dev->devfn) == 0 &&
-		    pdev->bus == fw_dev->bus) {
-			if (ricoh_mmc_disable(fw_dev) != 0)
-				return -ENODEV;
-
-			pci_set_drvdata(pdev, fw_dev);
-
-			++ctrlfound;
-			break;
-		}
-	}
-
-	fw_dev = NULL;
-
-	while (!ctrlfound &&
-	    (fw_dev = pci_get_device(PCI_VENDOR_ID_RICOH,
-					PCI_DEVICE_ID_RICOH_R5C832, fw_dev))) {
-		if (PCI_SLOT(pdev->devfn) == PCI_SLOT(fw_dev->devfn) &&
-		    PCI_FUNC(fw_dev->devfn) == 0 &&
-		    pdev->bus == fw_dev->bus) {
-			if (ricoh_mmc_disable(fw_dev) != 0)
-				return -ENODEV;
-
-			pci_set_drvdata(pdev, fw_dev);
-
-			++ctrlfound;
-		}
-	}
-
-	if (!ctrlfound) {
-		printk(KERN_WARNING DRIVER_NAME
-		       ": Main Ricoh function not found. Cannot disable controller.\n");
-		return -ENODEV;
-	}
-
-	return 0;
-}
-
-static void __devexit ricoh_mmc_remove(struct pci_dev *pdev)
-{
-	struct pci_dev *fw_dev = NULL;
-
-	fw_dev = pci_get_drvdata(pdev);
-	BUG_ON(fw_dev == NULL);
-
-	ricoh_mmc_enable(fw_dev);
-
-	pci_set_drvdata(pdev, NULL);
-}
-
-static int ricoh_mmc_suspend_late(struct pci_dev *pdev, pm_message_t state)
-{
-	struct pci_dev *fw_dev = NULL;
-
-	fw_dev = pci_get_drvdata(pdev);
-	BUG_ON(fw_dev == NULL);
-
-	printk(KERN_INFO DRIVER_NAME ": Suspending.\n");
-
-	ricoh_mmc_enable(fw_dev);
-
-	return 0;
-}
-
-static int ricoh_mmc_resume_early(struct pci_dev *pdev)
-{
-	struct pci_dev *fw_dev = NULL;
-
-	fw_dev = pci_get_drvdata(pdev);
-	BUG_ON(fw_dev == NULL);
-
-	printk(KERN_INFO DRIVER_NAME ": Resuming.\n");
-
-	ricoh_mmc_disable(fw_dev);
-
-	return 0;
-}
-
-static struct pci_driver ricoh_mmc_driver = {
-	.name = 	DRIVER_NAME,
-	.id_table =	pci_ids,
-	.probe = 	ricoh_mmc_probe,
-	.remove =	__devexit_p(ricoh_mmc_remove),
-	.suspend_late =	ricoh_mmc_suspend_late,
-	.resume_early =	ricoh_mmc_resume_early,
-};
-
-/*****************************************************************************\
- *                                                                           *
- * Driver init/exit                                                          *
- *                                                                           *
-\*****************************************************************************/
-
-static int __init ricoh_mmc_drv_init(void)
-{
-	printk(KERN_INFO DRIVER_NAME
-		": Ricoh MMC Controller disabling driver\n");
-	printk(KERN_INFO DRIVER_NAME ": Copyright(c) Philip Langdale\n");
-
-	return pci_register_driver(&ricoh_mmc_driver);
-}
-
-static void __exit ricoh_mmc_drv_exit(void)
-{
-	pci_unregister_driver(&ricoh_mmc_driver);
-}
-
-module_init(ricoh_mmc_drv_init);
-module_exit(ricoh_mmc_drv_exit);
-
-MODULE_AUTHOR("Philip Langdale <philipl@alumni.utexas.net>");
-MODULE_DESCRIPTION("Ricoh MMC Controller disabling driver");
-MODULE_LICENSE("GPL");
-
diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c
index d96e1abf2d64..2fdf7689ae6c 100644
--- a/drivers/mmc/host/s3cmci.c
+++ b/drivers/mmc/host/s3cmci.c
@@ -1179,7 +1179,7 @@ static int s3cmci_card_present(struct mmc_host *mmc)
 	struct s3c24xx_mci_pdata *pdata = host->pdata;
 	int ret;
 
-	if (pdata->gpio_detect == 0)
+	if (pdata->no_detect)
 		return -ENOSYS;
 
 	ret = gpio_get_value(pdata->gpio_detect) ? 0 : 1;
@@ -1360,6 +1360,8 @@ static struct mmc_host_ops s3cmci_ops = {
 static struct s3c24xx_mci_pdata s3cmci_def_pdata = {
 	/* This is currently here to avoid a number of if (host->pdata)
 	 * checks. Any zero fields to ensure reasonable defaults are picked. */
+	 .no_wprotect = 1,
+	 .no_detect = 1,
 };
 
 #ifdef CONFIG_CPU_FREQ
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 5c3a1767770a..8e1020cf73f4 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -80,9 +80,6 @@ struct sdhci_pci_chip {
 
 static int ricoh_probe(struct sdhci_pci_chip *chip)
 {
-	if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
-		chip->quirks |= SDHCI_QUIRK_CLOCK_BEFORE_RESET;
-
 	if (chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SAMSUNG ||
 	    chip->pdev->subsystem_vendor == PCI_VENDOR_ID_SONY)
 		chip->quirks |= SDHCI_QUIRK_NO_CARD_NO_RESET;
@@ -92,7 +89,9 @@ static int ricoh_probe(struct sdhci_pci_chip *chip)
 
 static const struct sdhci_pci_fixes sdhci_ricoh = {
 	.probe		= ricoh_probe,
-	.quirks		= SDHCI_QUIRK_32BIT_DMA_ADDR,
+	.quirks		= SDHCI_QUIRK_32BIT_DMA_ADDR |
+			  SDHCI_QUIRK_FORCE_DMA |
+			  SDHCI_QUIRK_CLOCK_BEFORE_RESET,
 };
 
 static const struct sdhci_pci_fixes sdhci_ene_712 = {
@@ -501,6 +500,7 @@ static int sdhci_pci_suspend (struct pci_dev *pdev, pm_message_t state)
 {
 	struct sdhci_pci_chip *chip;
 	struct sdhci_pci_slot *slot;
+	mmc_pm_flag_t pm_flags = 0;
 	int i, ret;
 
 	chip = pci_get_drvdata(pdev);
@@ -519,6 +519,8 @@ static int sdhci_pci_suspend (struct pci_dev *pdev, pm_message_t state)
 				sdhci_resume_host(chip->slots[i]->host);
 			return ret;
 		}
+
+		pm_flags |= slot->host->mmc->pm_flags;
 	}
 
 	if (chip->fixes && chip->fixes->suspend) {
@@ -531,9 +533,15 @@ static int sdhci_pci_suspend (struct pci_dev *pdev, pm_message_t state)
 	}
 
 	pci_save_state(pdev);
-	pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
-	pci_disable_device(pdev);
-	pci_set_power_state(pdev, pci_choose_state(pdev, state));
+	if (pm_flags & MMC_PM_KEEP_POWER) {
+		if (pm_flags & MMC_PM_WAKE_SDIO_IRQ)
+			pci_enable_wake(pdev, PCI_D3hot, 1);
+		pci_set_power_state(pdev, PCI_D3hot);
+	} else {
+		pci_enable_wake(pdev, pci_choose_state(pdev, state), 0);
+		pci_disable_device(pdev);
+		pci_set_power_state(pdev, pci_choose_state(pdev, state));
+	}
 
 	return 0;
 }
@@ -653,6 +661,8 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot(
 			goto unmap;
 	}
 
+	host->mmc->pm_caps = MMC_PM_KEEP_POWER | MMC_PM_WAKE_SDIO_IRQ;
+
 	ret = sdhci_add_host(host);
 	if (ret)
 		goto remove;
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index c279fbc4c2e5..d6ab62d539fb 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -174,20 +174,31 @@ static void sdhci_reset(struct sdhci_host *host, u8 mask)
 		sdhci_clear_set_irqs(host, SDHCI_INT_ALL_MASK, ier);
 }
 
-static void sdhci_init(struct sdhci_host *host)
+static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios);
+
+static void sdhci_init(struct sdhci_host *host, int soft)
 {
-	sdhci_reset(host, SDHCI_RESET_ALL);
+	if (soft)
+		sdhci_reset(host, SDHCI_RESET_CMD|SDHCI_RESET_DATA);
+	else
+		sdhci_reset(host, SDHCI_RESET_ALL);
 
 	sdhci_clear_set_irqs(host, SDHCI_INT_ALL_MASK,
 		SDHCI_INT_BUS_POWER | SDHCI_INT_DATA_END_BIT |
 		SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_INDEX |
 		SDHCI_INT_END_BIT | SDHCI_INT_CRC | SDHCI_INT_TIMEOUT |
 		SDHCI_INT_DATA_END | SDHCI_INT_RESPONSE);
+
+	if (soft) {
+		/* force clock reconfiguration */
+		host->clock = 0;
+		sdhci_set_ios(host->mmc, &host->mmc->ios);
+	}
 }
 
 static void sdhci_reinit(struct sdhci_host *host)
 {
-	sdhci_init(host);
+	sdhci_init(host, 0);
 	sdhci_enable_card_detection(host);
 }
 
@@ -376,6 +387,20 @@ static void sdhci_kunmap_atomic(void *buffer, unsigned long *flags)
 	local_irq_restore(*flags);
 }
 
+static void sdhci_set_adma_desc(u8 *desc, u32 addr, int len, unsigned cmd)
+{
+	__le32 *dataddr = (__le32 __force *)(desc + 4);
+	__le16 *cmdlen = (__le16 __force *)desc;
+
+	/* SDHCI specification says ADMA descriptors should be 4 byte
+	 * aligned, so using 16 or 32bit operations should be safe. */
+
+	cmdlen[0] = cpu_to_le16(cmd);
+	cmdlen[1] = cpu_to_le16(len);
+
+	dataddr[0] = cpu_to_le32(addr);
+}
+
 static int sdhci_adma_table_pre(struct sdhci_host *host,
 	struct mmc_data *data)
 {
@@ -443,19 +468,11 @@ static int sdhci_adma_table_pre(struct sdhci_host *host,
 				sdhci_kunmap_atomic(buffer, &flags);
 			}
 
-			desc[7] = (align_addr >> 24) & 0xff;
-			desc[6] = (align_addr >> 16) & 0xff;
-			desc[5] = (align_addr >> 8) & 0xff;
-			desc[4] = (align_addr >> 0) & 0xff;
+			/* tran, valid */
+			sdhci_set_adma_desc(desc, align_addr, offset, 0x21);
 
 			BUG_ON(offset > 65536);
 
-			desc[3] = (offset >> 8) & 0xff;
-			desc[2] = (offset >> 0) & 0xff;
-
-			desc[1] = 0x00;
-			desc[0] = 0x21; /* tran, valid */
-
 			align += 4;
 			align_addr += 4;
 
@@ -465,19 +482,10 @@ static int sdhci_adma_table_pre(struct sdhci_host *host,
 			len -= offset;
 		}
 
-		desc[7] = (addr >> 24) & 0xff;
-		desc[6] = (addr >> 16) & 0xff;
-		desc[5] = (addr >> 8) & 0xff;
-		desc[4] = (addr >> 0) & 0xff;
-
 		BUG_ON(len > 65536);
 
-		desc[3] = (len >> 8) & 0xff;
-		desc[2] = (len >> 0) & 0xff;
-
-		desc[1] = 0x00;
-		desc[0] = 0x21; /* tran, valid */
-
+		/* tran, valid */
+		sdhci_set_adma_desc(desc, addr, len, 0x21);
 		desc += 8;
 
 		/*
@@ -490,16 +498,9 @@ static int sdhci_adma_table_pre(struct sdhci_host *host,
 	/*
 	 * Add a terminating entry.
 	 */
-	desc[7] = 0;
-	desc[6] = 0;
-	desc[5] = 0;
-	desc[4] = 0;
 
-	desc[3] = 0;
-	desc[2] = 0;
-
-	desc[1] = 0x00;
-	desc[0] = 0x03; /* nop, end, valid */
+	/* nop, end, valid */
+	sdhci_set_adma_desc(desc, 0, 0, 0x3);
 
 	/*
 	 * Resync align buffer as we might have changed it.
@@ -1610,16 +1611,13 @@ int sdhci_resume_host(struct sdhci_host *host)
 	if (ret)
 		return ret;
 
-	sdhci_init(host);
+	sdhci_init(host, (host->mmc->pm_flags & MMC_PM_KEEP_POWER));
 	mmiowb();
 
 	ret = mmc_resume_host(host->mmc);
-	if (ret)
-		return ret;
-
 	sdhci_enable_card_detection(host);
 
-	return 0;
+	return ret;
 }
 
 EXPORT_SYMBOL_GPL(sdhci_resume_host);
@@ -1874,7 +1872,7 @@ int sdhci_add_host(struct sdhci_host *host)
 	if (ret)
 		goto untasklet;
 
-	sdhci_init(host);
+	sdhci_init(host, 0);
 
 #ifdef CONFIG_MMC_DEBUG
 	sdhci_dumpregs(host);
diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c
index e22c3fa3516a..b2b577f6afd4 100644
--- a/drivers/mmc/host/tmio_mmc.c
+++ b/drivers/mmc/host/tmio_mmc.c
@@ -323,7 +323,7 @@ static irqreturn_t tmio_mmc_irq(int irq, void *devid)
 		if (ireg & (TMIO_STAT_CARD_INSERT | TMIO_STAT_CARD_REMOVE)) {
 			ack_mmc_irqs(host, TMIO_STAT_CARD_INSERT |
 				TMIO_STAT_CARD_REMOVE);
-			mmc_detect_change(host->mmc, 0);
+			mmc_detect_change(host->mmc, msecs_to_jiffies(100));
 		}
 
 		/* CRC and other errors */
@@ -550,6 +550,7 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
 
 	mmc->ops = &tmio_mmc_ops;
 	mmc->caps = MMC_CAP_4_BIT_DATA;
+	mmc->caps |= pdata->capabilities;
 	mmc->f_max = pdata->hclk;
 	mmc->f_min = mmc->f_max / 512;
 	mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
@@ -568,14 +569,14 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
 	if (ret >= 0)
 		host->irq = ret;
 	else
-		goto unmap_ctl;
+		goto cell_disable;
 
 	disable_mmc_irqs(host, TMIO_MASK_ALL);
 
 	ret = request_irq(host->irq, tmio_mmc_irq, IRQF_DISABLED |
 		IRQF_TRIGGER_FALLING, dev_name(&dev->dev), host);
 	if (ret)
-		goto unmap_ctl;
+		goto cell_disable;
 
 	mmc_add_host(mmc);
 
@@ -587,6 +588,9 @@ static int __devinit tmio_mmc_probe(struct platform_device *dev)
 
 	return 0;
 
+cell_disable:
+	if (cell->disable)
+		cell->disable(dev);
 unmap_ctl:
 	iounmap(host->ctl);
 host_free:
@@ -597,6 +601,7 @@ out:
 
 static int __devexit tmio_mmc_remove(struct platform_device *dev)
 {
+	struct mfd_cell	*cell = (struct mfd_cell *)dev->dev.platform_data;
 	struct mmc_host *mmc = platform_get_drvdata(dev);
 
 	platform_set_drvdata(dev, NULL);
@@ -605,6 +610,8 @@ static int __devexit tmio_mmc_remove(struct platform_device *dev)
 		struct tmio_mmc_host *host = mmc_priv(mmc);
 		mmc_remove_host(mmc);
 		free_irq(host->irq, host);
+		if (cell->disable)
+			cell->disable(dev);
 		iounmap(host->ctl);
 		mmc_free_host(mmc);
 	}
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index 692dc23363b9..dafecfbcd91a 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -55,10 +55,8 @@
 /* Define some IRQ masks */
 /* This is the mask used at reset by the chip */
 #define TMIO_MASK_ALL           0x837f031d
-#define TMIO_MASK_READOP  (TMIO_STAT_RXRDY | TMIO_STAT_DATAEND | \
-		TMIO_STAT_CARD_REMOVE | TMIO_STAT_CARD_INSERT)
-#define TMIO_MASK_WRITEOP (TMIO_STAT_TXRQ | TMIO_STAT_DATAEND | \
-		TMIO_STAT_CARD_REMOVE | TMIO_STAT_CARD_INSERT)
+#define TMIO_MASK_READOP  (TMIO_STAT_RXRDY | TMIO_STAT_DATAEND)
+#define TMIO_MASK_WRITEOP (TMIO_STAT_TXRQ | TMIO_STAT_DATAEND)
 #define TMIO_MASK_CMD     (TMIO_STAT_CMDRESPEND | TMIO_STAT_CMDTIMEOUT | \
 		TMIO_STAT_CARD_REMOVE | TMIO_STAT_CARD_INSERT)
 #define TMIO_MASK_IRQ     (TMIO_MASK_READOP | TMIO_MASK_WRITEOP | TMIO_MASK_CMD)
diff --git a/drivers/mtd/chips/cfi_util.c b/drivers/mtd/chips/cfi_util.c
index ca584d0380b4..ca584d0380b4 100755..100644
--- a/drivers/mtd/chips/cfi_util.c
+++ b/drivers/mtd/chips/cfi_util.c
diff --git a/drivers/mtd/chips/jedec_probe.c b/drivers/mtd/chips/jedec_probe.c
index 1bec5e1ce6ac..8db1148dfa47 100644
--- a/drivers/mtd/chips/jedec_probe.c
+++ b/drivers/mtd/chips/jedec_probe.c
@@ -226,7 +226,7 @@ struct unlock_addr {
  * exists, but is for MTD_UADDR_NOT_SUPPORTED - and, therefore,
  * should not be used.  The  problem is that structures with
  * initializers have extra fields initialized to 0.  It is _very_
- * desireable to have the unlock address entries for unsupported
+ * desirable to have the unlock address entries for unsupported
  * data widths automatically initialized - that means that
  * MTD_UADDR_NOT_SUPPORTED must be 0 and the first entry here
  * must go unused.
diff --git a/drivers/mtd/inftlcore.c b/drivers/mtd/inftlcore.c
index 8aca5523a337..8aca5523a337 100755..100644
--- a/drivers/mtd/inftlcore.c
+++ b/drivers/mtd/inftlcore.c
diff --git a/drivers/mtd/maps/omap_nor.c b/drivers/mtd/maps/omap_nor.c
deleted file mode 100644
index e69de29bb2d1..000000000000
--- a/drivers/mtd/maps/omap_nor.c
+++ /dev/null
diff --git a/drivers/mtd/maps/pismo.c b/drivers/mtd/maps/pismo.c
index c48cad271f5d..30e12c88d1da 100644
--- a/drivers/mtd/maps/pismo.c
+++ b/drivers/mtd/maps/pismo.c
@@ -118,7 +118,7 @@ static int __devinit pismo_add_device(struct pismo_data *pismo, int i,
 {
 	struct platform_device *dev;
 	struct resource res = { };
-	phys_addr_t base = region.base;
+	phys_addr_t base = region->base;
 	int ret;
 
 	if (base == ~0)
diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c
index dafb91944e70..76a76be5a7bd 100644
--- a/drivers/mtd/maps/plat-ram.c
+++ b/drivers/mtd/maps/plat-ram.c
@@ -4,7 +4,7 @@
  *	http://www.simtec.co.uk/products/SWLINUX/
  *	Ben Dooks <ben@simtec.co.uk>
  *
- * Generic platfrom device based RAM map
+ * Generic platform device based RAM map
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index bb6465604235..42e5ea49e975 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -444,7 +444,7 @@ config MTD_NAND_FSL_UPM
 
 config MTD_NAND_MXC
 	tristate "MXC NAND support"
-	depends on ARCH_MX2 || ARCH_MX3
+	depends on ARCH_MX2 || ARCH_MX25 || ARCH_MX3
 	help
 	  This enables the driver for the NAND flash controller on the
 	  MXC processors.
@@ -457,7 +457,7 @@ config MTD_NAND_NOMADIK
 
 config MTD_NAND_SH_FLCTL
 	tristate "Support for NAND on Renesas SuperH FLCTL"
-	depends on MTD_NAND && SUPERH
+	depends on MTD_NAND && (SUPERH || ARCH_SHMOBILE)
 	help
 	  Several Renesas SuperH CPU has FLCTL. This option enables support
 	  for NAND Flash using FLCTL.
diff --git a/drivers/mtd/nand/bcm_umi_nand.c b/drivers/mtd/nand/bcm_umi_nand.c
index 087bcd745bb7..7d1cca7a31a9 100644
--- a/drivers/mtd/nand/bcm_umi_nand.c
+++ b/drivers/mtd/nand/bcm_umi_nand.c
@@ -381,7 +381,7 @@ static int __devinit bcm_umi_nand_probe(struct platform_device *pdev)
 	if (!r)
 		return -ENXIO;
 
-	/* map physical adress */
+	/* map physical address */
 	bcm_umi_io_base = ioremap(r->start, r->end - r->start + 1);
 
 	if (!bcm_umi_io_base) {
@@ -525,7 +525,7 @@ static int bcm_umi_nand_remove(struct platform_device *pdev)
 	/* Release resources, unregister device */
 	nand_release(board_mtd);
 
-	/* unmap physical adress */
+	/* unmap physical address */
 	iounmap(bcm_umi_io_base);
 
 	/* Free the MTD device structure */
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index 45dec5770da0..b2900d8406d3 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -507,7 +507,7 @@ static void mxc_do_addr_cycle(struct mtd_info *mtd, int column, int page_addr)
 		 * MXC NANDFC can only perform full page+spare or
 		 * spare-only read/write.  When the upper layers
 		 * layers perform a read/write buf operation,
-		 * we will used the saved column adress to index into
+		 * we will used the saved column address to index into
 		 * the full page.
 		 */
 		send_addr(host, 0, page_addr == -1);
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 14cec04c34f9..fad40aa6f099 100644
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -37,6 +37,7 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/stringify.h>
+#include <linux/namei.h>
 #include <linux/stat.h>
 #include <linux/miscdevice.h>
 #include <linux/log2.h>
@@ -50,7 +51,8 @@
 
 /**
  * struct mtd_dev_param - MTD device parameter description data structure.
- * @name: MTD device name or number string
+ * @name: MTD character device node path, MTD device name, or MTD device number
+ *        string
  * @vid_hdr_offs: VID header offset
  */
 struct mtd_dev_param {
@@ -59,10 +61,10 @@ struct mtd_dev_param {
 };
 
 /* Numbers of elements set in the @mtd_dev_param array */
-static int mtd_devs;
+static int __initdata mtd_devs;
 
 /* MTD devices specification parameters */
-static struct mtd_dev_param mtd_dev_param[UBI_MAX_DEVICES];
+static struct mtd_dev_param __initdata mtd_dev_param[UBI_MAX_DEVICES];
 
 /* Root UBI "class" object (corresponds to '/<sysfs>/class/ubi/') */
 struct class *ubi_class;
@@ -87,7 +89,8 @@ DEFINE_MUTEX(ubi_devices_mutex);
 static DEFINE_SPINLOCK(ubi_devices_lock);
 
 /* "Show" method for files in '/<sysfs>/class/ubi/' */
-static ssize_t ubi_version_show(struct class *class, char *buf)
+static ssize_t ubi_version_show(struct class *class, struct class_attribute *attr,
+				char *buf)
 {
 	return sprintf(buf, "%d\n", UBI_VERSION);
 }
@@ -363,11 +366,13 @@ static void dev_release(struct device *dev)
 /**
  * ubi_sysfs_init - initialize sysfs for an UBI device.
  * @ubi: UBI device description object
+ * @ref: set to %1 on exit in case of failure if a reference to @ubi->dev was
+ *       taken
  *
  * This function returns zero in case of success and a negative error code in
  * case of failure.
  */
-static int ubi_sysfs_init(struct ubi_device *ubi)
+static int ubi_sysfs_init(struct ubi_device *ubi, int *ref)
 {
 	int err;
 
@@ -379,6 +384,7 @@ static int ubi_sysfs_init(struct ubi_device *ubi)
 	if (err)
 		return err;
 
+	*ref = 1;
 	err = device_create_file(&ubi->dev, &dev_eraseblock_size);
 	if (err)
 		return err;
@@ -434,7 +440,7 @@ static void ubi_sysfs_close(struct ubi_device *ubi)
 }
 
 /**
- * kill_volumes - destroy all volumes.
+ * kill_volumes - destroy all user volumes.
  * @ubi: UBI device description object
  */
 static void kill_volumes(struct ubi_device *ubi)
@@ -447,36 +453,29 @@ static void kill_volumes(struct ubi_device *ubi)
 }
 
 /**
- * free_user_volumes - free all user volumes.
- * @ubi: UBI device description object
- *
- * Normally the volumes are freed at the release function of the volume device
- * objects. However, on error paths the volumes have to be freed before the
- * device objects have been initialized.
- */
-static void free_user_volumes(struct ubi_device *ubi)
-{
-	int i;
-
-	for (i = 0; i < ubi->vtbl_slots; i++)
-		if (ubi->volumes[i]) {
-			kfree(ubi->volumes[i]->eba_tbl);
-			kfree(ubi->volumes[i]);
-		}
-}
-
-/**
  * uif_init - initialize user interfaces for an UBI device.
  * @ubi: UBI device description object
+ * @ref: set to %1 on exit in case of failure if a reference to @ubi->dev was
+ *       taken, otherwise set to %0
+ *
+ * This function initializes various user interfaces for an UBI device. If the
+ * initialization fails at an early stage, this function frees all the
+ * resources it allocated, returns an error, and @ref is set to %0. However,
+ * if the initialization fails after the UBI device was registered in the
+ * driver core subsystem, this function takes a reference to @ubi->dev, because
+ * otherwise the release function ('dev_release()') would free whole @ubi
+ * object. The @ref argument is set to %1 in this case. The caller has to put
+ * this reference.
  *
  * This function returns zero in case of success and a negative error code in
- * case of failure. Note, this function destroys all volumes if it fails.
+ * case of failure.
  */
-static int uif_init(struct ubi_device *ubi)
+static int uif_init(struct ubi_device *ubi, int *ref)
 {
 	int i, err;
 	dev_t dev;
 
+	*ref = 0;
 	sprintf(ubi->ubi_name, UBI_NAME_STR "%d", ubi->ubi_num);
 
 	/*
@@ -504,7 +503,7 @@ static int uif_init(struct ubi_device *ubi)
 		goto out_unreg;
 	}
 
-	err = ubi_sysfs_init(ubi);
+	err = ubi_sysfs_init(ubi, ref);
 	if (err)
 		goto out_sysfs;
 
@@ -522,6 +521,8 @@ static int uif_init(struct ubi_device *ubi)
 out_volumes:
 	kill_volumes(ubi);
 out_sysfs:
+	if (*ref)
+		get_device(&ubi->dev);
 	ubi_sysfs_close(ubi);
 	cdev_del(&ubi->cdev);
 out_unreg:
@@ -875,7 +876,7 @@ static int ubi_reboot_notifier(struct notifier_block *n, unsigned long state,
 int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset)
 {
 	struct ubi_device *ubi;
-	int i, err, do_free = 1;
+	int i, err, ref = 0;
 
 	/*
 	 * Check if we already have the same MTD device attached.
@@ -975,9 +976,9 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset)
 			goto out_detach;
 	}
 
-	err = uif_init(ubi);
+	err = uif_init(ubi, &ref);
 	if (err)
-		goto out_nofree;
+		goto out_detach;
 
 	ubi->bgt_thread = kthread_create(ubi_thread, ubi, ubi->bgt_name);
 	if (IS_ERR(ubi->bgt_thread)) {
@@ -1025,12 +1026,8 @@ int ubi_attach_mtd_dev(struct mtd_info *mtd, int ubi_num, int vid_hdr_offset)
 
 out_uif:
 	uif_close(ubi);
-out_nofree:
-	do_free = 0;
 out_detach:
 	ubi_wl_close(ubi);
-	if (do_free)
-		free_user_volumes(ubi);
 	free_internal_volumes(ubi);
 	vfree(ubi->vtbl);
 out_free:
@@ -1039,7 +1036,10 @@ out_free:
 #ifdef CONFIG_MTD_UBI_DEBUG_PARANOID
 	vfree(ubi->dbg_peb_buf);
 #endif
-	kfree(ubi);
+	if (ref)
+		put_device(&ubi->dev);
+	else
+		kfree(ubi);
 	return err;
 }
 
@@ -1096,7 +1096,7 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway)
 
 	/*
 	 * Get a reference to the device in order to prevent 'dev_release()'
-	 * from freeing @ubi object.
+	 * from freeing the @ubi object.
 	 */
 	get_device(&ubi->dev);
 
@@ -1116,13 +1116,50 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway)
 }
 
 /**
- * find_mtd_device - open an MTD device by its name or number.
- * @mtd_dev: name or number of the device
+ * open_mtd_by_chdev - open an MTD device by its character device node path.
+ * @mtd_dev: MTD character device node path
+ *
+ * This helper function opens an MTD device by its character node device path.
+ * Returns MTD device description object in case of success and a negative
+ * error code in case of failure.
+ */
+static struct mtd_info * __init open_mtd_by_chdev(const char *mtd_dev)
+{
+	int err, major, minor, mode;
+	struct path path;
+
+	/* Probably this is an MTD character device node path */
+	err = kern_path(mtd_dev, LOOKUP_FOLLOW, &path);
+	if (err)
+		return ERR_PTR(err);
+
+	/* MTD device number is defined by the major / minor numbers */
+	major = imajor(path.dentry->d_inode);
+	minor = iminor(path.dentry->d_inode);
+	mode = path.dentry->d_inode->i_mode;
+	path_put(&path);
+	if (major != MTD_CHAR_MAJOR || !S_ISCHR(mode))
+		return ERR_PTR(-EINVAL);
+
+	if (minor & 1)
+		/*
+		 * Just do not think the "/dev/mtdrX" devices support is need,
+		 * so do not support them to avoid doing extra work.
+		 */
+		return ERR_PTR(-EINVAL);
+
+	return get_mtd_device(NULL, minor / 2);
+}
+
+/**
+ * open_mtd_device - open MTD device by name, character device path, or number.
+ * @mtd_dev: name, character device node path, or MTD device device number
  *
  * This function tries to open and MTD device described by @mtd_dev string,
- * which is first treated as an ASCII number, and if it is not true, it is
- * treated as MTD device name. Returns MTD device description object in case of
- * success and a negative error code in case of failure.
+ * which is first treated as ASCII MTD device number, and if it is not true, it
+ * is treated as MTD device name, and if that is also not true, it is treated
+ * as MTD character device node path. Returns MTD device description object in
+ * case of success and a negative error code in case of failure.
  */
 static struct mtd_info * __init open_mtd_device(const char *mtd_dev)
 {
@@ -1137,6 +1174,9 @@ static struct mtd_info * __init open_mtd_device(const char *mtd_dev)
 		 * MTD device name.
 		 */
 		mtd = get_mtd_device_nm(mtd_dev);
+		if (IS_ERR(mtd) && PTR_ERR(mtd) == -ENODEV)
+			/* Probably this is an MTD character device node path */
+			mtd = open_mtd_by_chdev(mtd_dev);
 	} else
 		mtd = get_mtd_device(NULL, mtd_num);
 
@@ -1352,13 +1392,15 @@ static int __init ubi_mtd_param_parse(const char *val, struct kernel_param *kp)
 
 module_param_call(mtd, ubi_mtd_param_parse, NULL, NULL, 000);
 MODULE_PARM_DESC(mtd, "MTD devices to attach. Parameter format: "
-		      "mtd=<name|num>[,<vid_hdr_offs>].\n"
+		      "mtd=<name|num|path>[,<vid_hdr_offs>].\n"
 		      "Multiple \"mtd\" parameters may be specified.\n"
-		      "MTD devices may be specified by their number or name.\n"
+		      "MTD devices may be specified by their number, name, or "
+		      "path to the MTD character device node.\n"
 		      "Optional \"vid_hdr_offs\" parameter specifies UBI VID "
-		      "header position and data starting position to be used "
-		      "by UBI.\n"
-		      "Example: mtd=content,1984 mtd=4 - attach MTD device"
+		      "header position to be used by UBI.\n"
+		      "Example 1: mtd=/dev/mtd0 - attach MTD device "
+		      "/dev/mtd0.\n"
+		      "Example 2: mtd=content,1984 mtd=4 - attach MTD device "
 		      "with name \"content\" using VID header offset 1984, and "
 		      "MTD device number 4 with default VID header offset.");
 
diff --git a/drivers/mtd/ubi/debug.h b/drivers/mtd/ubi/debug.h
index f30bcb372c05..17a107129726 100644
--- a/drivers/mtd/ubi/debug.h
+++ b/drivers/mtd/ubi/debug.h
@@ -96,8 +96,11 @@ void ubi_dbg_dump_flash(struct ubi_device *ubi, int pnum, int offset, int len);
 
 #ifdef CONFIG_MTD_UBI_DEBUG_PARANOID
 int ubi_dbg_check_all_ff(struct ubi_device *ubi, int pnum, int offset, int len);
+int ubi_dbg_check_write(struct ubi_device *ubi, const void *buf, int pnum,
+			int offset, int len);
 #else
 #define ubi_dbg_check_all_ff(ubi, pnum, offset, len) 0
+#define ubi_dbg_check_write(ubi, buf, pnum, offset, len) 0
 #endif
 
 #ifdef CONFIG_MTD_UBI_DEBUG_DISABLE_BGT
@@ -176,6 +179,7 @@ static inline int ubi_dbg_is_erase_failure(void)
 #define ubi_dbg_is_write_failure() 0
 #define ubi_dbg_is_erase_failure() 0
 #define ubi_dbg_check_all_ff(ubi, pnum, offset, len) 0
+#define ubi_dbg_check_write(ubi, buf, pnum, offset, len) 0
 
 #endif /* !CONFIG_MTD_UBI_DEBUG */
 #endif /* !__UBI_DEBUG_H__ */
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 8aa51e7a6a7d..b4ecc84c7549 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -143,7 +143,7 @@ int ubi_io_read(const struct ubi_device *ubi, void *buf, int pnum, int offset,
 
 	err = paranoid_check_not_bad(ubi, pnum);
 	if (err)
-		return err > 0 ? -EINVAL : err;
+		return err;
 
 	addr = (loff_t)pnum * ubi->peb_size + offset;
 retry:
@@ -236,12 +236,12 @@ int ubi_io_write(struct ubi_device *ubi, const void *buf, int pnum, int offset,
 
 	err = paranoid_check_not_bad(ubi, pnum);
 	if (err)
-		return err > 0 ? -EINVAL : err;
+		return err;
 
 	/* The area we are writing to has to contain all 0xFF bytes */
 	err = ubi_dbg_check_all_ff(ubi, pnum, offset, len);
 	if (err)
-		return err > 0 ? -EINVAL : err;
+		return err;
 
 	if (offset >= ubi->leb_start) {
 		/*
@@ -250,10 +250,10 @@ int ubi_io_write(struct ubi_device *ubi, const void *buf, int pnum, int offset,
 		 */
 		err = paranoid_check_peb_ec_hdr(ubi, pnum);
 		if (err)
-			return err > 0 ? -EINVAL : err;
+			return err;
 		err = paranoid_check_peb_vid_hdr(ubi, pnum);
 		if (err)
-			return err > 0 ? -EINVAL : err;
+			return err;
 	}
 
 	if (ubi_dbg_is_write_failure()) {
@@ -273,6 +273,21 @@ int ubi_io_write(struct ubi_device *ubi, const void *buf, int pnum, int offset,
 	} else
 		ubi_assert(written == len);
 
+	if (!err) {
+		err = ubi_dbg_check_write(ubi, buf, pnum, offset, len);
+		if (err)
+			return err;
+
+		/*
+		 * Since we always write sequentially, the rest of the PEB has
+		 * to contain only 0xFF bytes.
+		 */
+		offset += len;
+		len = ubi->peb_size - offset;
+		if (len)
+			err = ubi_dbg_check_all_ff(ubi, pnum, offset, len);
+	}
+
 	return err;
 }
 
@@ -348,7 +363,7 @@ retry:
 
 	err = ubi_dbg_check_all_ff(ubi, pnum, 0, ubi->peb_size);
 	if (err)
-		return err > 0 ? -EINVAL : err;
+		return err;
 
 	if (ubi_dbg_is_erase_failure() && !err) {
 		dbg_err("cannot erase PEB %d (emulated)", pnum);
@@ -542,7 +557,7 @@ int ubi_io_sync_erase(struct ubi_device *ubi, int pnum, int torture)
 
 	err = paranoid_check_not_bad(ubi, pnum);
 	if (err != 0)
-		return err > 0 ? -EINVAL : err;
+		return err;
 
 	if (ubi->ro_mode) {
 		ubi_err("read-only mode");
@@ -819,7 +834,7 @@ int ubi_io_write_ec_hdr(struct ubi_device *ubi, int pnum,
 
 	err = paranoid_check_ec_hdr(ubi, pnum, ec_hdr);
 	if (err)
-		return -EINVAL;
+		return err;
 
 	err = ubi_io_write(ubi, ec_hdr, pnum, 0, ubi->ec_hdr_alsize);
 	return err;
@@ -1083,7 +1098,7 @@ int ubi_io_write_vid_hdr(struct ubi_device *ubi, int pnum,
 
 	err = paranoid_check_peb_ec_hdr(ubi, pnum);
 	if (err)
-		return err > 0 ? -EINVAL : err;
+		return err;
 
 	vid_hdr->magic = cpu_to_be32(UBI_VID_HDR_MAGIC);
 	vid_hdr->version = UBI_VERSION;
@@ -1092,7 +1107,7 @@ int ubi_io_write_vid_hdr(struct ubi_device *ubi, int pnum,
 
 	err = paranoid_check_vid_hdr(ubi, pnum, vid_hdr);
 	if (err)
-		return -EINVAL;
+		return err;
 
 	p = (char *)vid_hdr - ubi->vid_hdr_shift;
 	err = ubi_io_write(ubi, p, pnum, ubi->vid_hdr_aloffset,
@@ -1107,8 +1122,8 @@ int ubi_io_write_vid_hdr(struct ubi_device *ubi, int pnum,
  * @ubi: UBI device description object
  * @pnum: physical eraseblock number to check
  *
- * This function returns zero if the physical eraseblock is good, a positive
- * number if it is bad and a negative error code if an error occurred.
+ * This function returns zero if the physical eraseblock is good, %-EINVAL if
+ * it is bad and a negative error code if an error occurred.
  */
 static int paranoid_check_not_bad(const struct ubi_device *ubi, int pnum)
 {
@@ -1120,7 +1135,7 @@ static int paranoid_check_not_bad(const struct ubi_device *ubi, int pnum)
 
 	ubi_err("paranoid check failed for PEB %d", pnum);
 	ubi_dbg_dump_stack();
-	return err;
+	return err > 0 ? -EINVAL : err;
 }
 
 /**
@@ -1130,7 +1145,7 @@ static int paranoid_check_not_bad(const struct ubi_device *ubi, int pnum)
  * @ec_hdr: the erase counter header to check
  *
  * This function returns zero if the erase counter header contains valid
- * values, and %1 if not.
+ * values, and %-EINVAL if not.
  */
 static int paranoid_check_ec_hdr(const struct ubi_device *ubi, int pnum,
 				 const struct ubi_ec_hdr *ec_hdr)
@@ -1156,7 +1171,7 @@ static int paranoid_check_ec_hdr(const struct ubi_device *ubi, int pnum,
 fail:
 	ubi_dbg_dump_ec_hdr(ec_hdr);
 	ubi_dbg_dump_stack();
-	return 1;
+	return -EINVAL;
 }
 
 /**
@@ -1164,8 +1179,8 @@ fail:
  * @ubi: UBI device description object
  * @pnum: the physical eraseblock number to check
  *
- * This function returns zero if the erase counter header is all right, %1 if
- * not, and a negative error code if an error occurred.
+ * This function returns zero if the erase counter header is all right and and
+ * a negative error code if not or if an error occurred.
  */
 static int paranoid_check_peb_ec_hdr(const struct ubi_device *ubi, int pnum)
 {
@@ -1188,7 +1203,7 @@ static int paranoid_check_peb_ec_hdr(const struct ubi_device *ubi, int pnum)
 		ubi_err("paranoid check failed for PEB %d", pnum);
 		ubi_dbg_dump_ec_hdr(ec_hdr);
 		ubi_dbg_dump_stack();
-		err = 1;
+		err = -EINVAL;
 		goto exit;
 	}
 
@@ -1206,7 +1221,7 @@ exit:
  * @vid_hdr: the volume identifier header to check
  *
  * This function returns zero if the volume identifier header is all right, and
- * %1 if not.
+ * %-EINVAL if not.
  */
 static int paranoid_check_vid_hdr(const struct ubi_device *ubi, int pnum,
 				  const struct ubi_vid_hdr *vid_hdr)
@@ -1233,7 +1248,7 @@ fail:
 	ubi_err("paranoid check failed for PEB %d", pnum);
 	ubi_dbg_dump_vid_hdr(vid_hdr);
 	ubi_dbg_dump_stack();
-	return 1;
+	return -EINVAL;
 
 }
 
@@ -1243,7 +1258,7 @@ fail:
  * @pnum: the physical eraseblock number to check
  *
  * This function returns zero if the volume identifier header is all right,
- * %1 if not, and a negative error code if an error occurred.
+ * and a negative error code if not or if an error occurred.
  */
 static int paranoid_check_peb_vid_hdr(const struct ubi_device *ubi, int pnum)
 {
@@ -1270,7 +1285,7 @@ static int paranoid_check_peb_vid_hdr(const struct ubi_device *ubi, int pnum)
 		ubi_err("paranoid check failed for PEB %d", pnum);
 		ubi_dbg_dump_vid_hdr(vid_hdr);
 		ubi_dbg_dump_stack();
-		err = 1;
+		err = -EINVAL;
 		goto exit;
 	}
 
@@ -1282,6 +1297,61 @@ exit:
 }
 
 /**
+ * ubi_dbg_check_write - make sure write succeeded.
+ * @ubi: UBI device description object
+ * @buf: buffer with data which were written
+ * @pnum: physical eraseblock number the data were written to
+ * @offset: offset within the physical eraseblock the data were written to
+ * @len: how many bytes were written
+ *
+ * This functions reads data which were recently written and compares it with
+ * the original data buffer - the data have to match. Returns zero if the data
+ * match and a negative error code if not or in case of failure.
+ */
+int ubi_dbg_check_write(struct ubi_device *ubi, const void *buf, int pnum,
+			int offset, int len)
+{
+	int err, i;
+
+	mutex_lock(&ubi->dbg_buf_mutex);
+	err = ubi_io_read(ubi, ubi->dbg_peb_buf, pnum, offset, len);
+	if (err)
+		goto out_unlock;
+
+	for (i = 0; i < len; i++) {
+		uint8_t c = ((uint8_t *)buf)[i];
+		uint8_t c1 = ((uint8_t *)ubi->dbg_peb_buf)[i];
+		int dump_len;
+
+		if (c == c1)
+			continue;
+
+		ubi_err("paranoid check failed for PEB %d:%d, len %d",
+			pnum, offset, len);
+		ubi_msg("data differ at position %d", i);
+		dump_len = max_t(int, 128, len - i);
+		ubi_msg("hex dump of the original buffer from %d to %d",
+			i, i + dump_len);
+		print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1,
+			       buf + i, dump_len, 1);
+		ubi_msg("hex dump of the read buffer from %d to %d",
+			i, i + dump_len);
+		print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1,
+			       ubi->dbg_peb_buf + i, dump_len, 1);
+		ubi_dbg_dump_stack();
+		err = -EINVAL;
+		goto out_unlock;
+	}
+	mutex_unlock(&ubi->dbg_buf_mutex);
+
+	return 0;
+
+out_unlock:
+	mutex_unlock(&ubi->dbg_buf_mutex);
+	return err;
+}
+
+/**
  * ubi_dbg_check_all_ff - check that a region of flash is empty.
  * @ubi: UBI device description object
  * @pnum: the physical eraseblock number to check
@@ -1289,8 +1359,8 @@ exit:
  * @len: the length of the region to check
  *
  * This function returns zero if only 0xFF bytes are present at offset
- * @offset of the physical eraseblock @pnum, %1 if not, and a negative error
- * code if an error occurred.
+ * @offset of the physical eraseblock @pnum, and a negative error code if not
+ * or if an error occurred.
  */
 int ubi_dbg_check_all_ff(struct ubi_device *ubi, int pnum, int offset, int len)
 {
@@ -1321,7 +1391,7 @@ fail:
 	ubi_msg("hex dump of the %d-%d region", offset, offset + len);
 	print_hex_dump(KERN_DEBUG, "", DUMP_PREFIX_OFFSET, 32, 1,
 		       ubi->dbg_peb_buf, len, 1);
-	err = 1;
+	err = -EINVAL;
 error:
 	ubi_dbg_dump_stack();
 	mutex_unlock(&ubi->dbg_buf_mutex);
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index 90af61a2c3e4..594184bbd56a 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -974,11 +974,8 @@ struct ubi_scan_info *ubi_scan(struct ubi_device *ubi)
 			seb->ec = si->mean_ec;
 
 	err = paranoid_check_si(ubi, si);
-	if (err) {
-		if (err > 0)
-			err = -EINVAL;
+	if (err)
 		goto out_vidh;
-	}
 
 	ubi_free_vid_hdr(ubi, vidh);
 	kfree(ech);
@@ -1086,8 +1083,8 @@ void ubi_scan_destroy_si(struct ubi_scan_info *si)
  * @ubi: UBI device description object
  * @si: scanning information
  *
- * This function returns zero if the scanning information is all right, %1 if
- * not and a negative error code if an error occurred.
+ * This function returns zero if the scanning information is all right, and a
+ * negative error code if not or if an error occurred.
  */
 static int paranoid_check_si(struct ubi_device *ubi, struct ubi_scan_info *si)
 {
@@ -1346,7 +1343,7 @@ bad_vid_hdr:
 
 out:
 	ubi_dbg_dump_stack();
-	return 1;
+	return -EINVAL;
 }
 
 #endif /* CONFIG_MTD_UBI_DEBUG_PARANOID */
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 600c7229d5cf..f64ddabd4ac8 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -464,7 +464,7 @@ retry:
 				   ubi->peb_size - ubi->vid_hdr_aloffset);
 	if (err) {
 		ubi_err("new PEB %d does not contain all 0xFF bytes", e->pnum);
-		return err > 0 ? -EINVAL : err;
+		return err;
 	}
 
 	return e->pnum;
@@ -513,7 +513,7 @@ static int sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
 	dbg_wl("erase PEB %d, old EC %llu", e->pnum, ec);
 
 	err = paranoid_check_ec(ubi, e->pnum, e->ec);
-	if (err > 0)
+	if (err)
 		return -EINVAL;
 
 	ec_hdr = kzalloc(ubi->ec_hdr_alsize, GFP_NOFS);
@@ -1572,8 +1572,7 @@ void ubi_wl_close(struct ubi_device *ubi)
  * @ec: the erase counter to check
  *
  * This function returns zero if the erase counter of physical eraseblock @pnum
- * is equivalent to @ec, %1 if not, and a negative error code if an error
- * occurred.
+ * is equivalent to @ec, and a negative error code if not or if an error occurred.
  */
 static int paranoid_check_ec(struct ubi_device *ubi, int pnum, int ec)
 {
@@ -1611,8 +1610,8 @@ out_free:
  * @e: the wear-leveling entry to check
  * @root: the root of the tree
  *
- * This function returns zero if @e is in the @root RB-tree and %1 if it is
- * not.
+ * This function returns zero if @e is in the @root RB-tree and %-EINVAL if it
+ * is not.
  */
 static int paranoid_check_in_wl_tree(struct ubi_wl_entry *e,
 				     struct rb_root *root)
@@ -1623,7 +1622,7 @@ static int paranoid_check_in_wl_tree(struct ubi_wl_entry *e,
 	ubi_err("paranoid check failed for PEB %d, EC %d, RB-tree %p ",
 		e->pnum, e->ec, root);
 	ubi_dbg_dump_stack();
-	return 1;
+	return -EINVAL;
 }
 
 /**
@@ -1632,7 +1631,7 @@ static int paranoid_check_in_wl_tree(struct ubi_wl_entry *e,
  * @ubi: UBI device description object
  * @e: the wear-leveling entry to check
  *
- * This function returns zero if @e is in @ubi->pq and %1 if it is not.
+ * This function returns zero if @e is in @ubi->pq and %-EINVAL if it is not.
  */
 static int paranoid_check_in_pq(struct ubi_device *ubi, struct ubi_wl_entry *e)
 {
@@ -1647,6 +1646,6 @@ static int paranoid_check_in_pq(struct ubi_device *ubi, struct ubi_wl_entry *e)
 	ubi_err("paranoid check failed for PEB %d, EC %d, Protect queue",
 		e->pnum, e->ec);
 	ubi_dbg_dump_stack();
-	return 1;
+	return -EINVAL;
 }
 #endif /* CONFIG_MTD_UBI_DEBUG_PARANOID */
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 7029cd50c458..0ba5b8e50a7c 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -907,7 +907,7 @@ config SMC91X
 	select CRC32
 	select MII
 	depends on ARM || REDWOOD_5 || REDWOOD_6 || M32R || SUPERH || \
-		MIPS || BLACKFIN || MN10300
+		MIPS || BLACKFIN || MN10300 || COLDFIRE
 	help
 	  This is a driver for SMC's 91x series of Ethernet chipsets,
 	  including the SMC91C94 and the SMC91C111. Say Y if you want it
diff --git a/drivers/net/arm/ks8695net.c b/drivers/net/arm/ks8695net.c
index 8ca639127dbc..e7810b74f396 100644
--- a/drivers/net/arm/ks8695net.c
+++ b/drivers/net/arm/ks8695net.c
@@ -449,11 +449,10 @@ ks8695_rx_irq(int irq, void *dev_id)
 }
 
 /**
- *	ks8695_rx - Receive packets  called by NAPI poll method
+ *	ks8695_rx - Receive packets called by NAPI poll method
  *	@ksp: Private data for the KS8695 Ethernet
- *	@budget: The max packets would be receive
+ *	@budget: Number of packets allowed to process
  */
-
 static int ks8695_rx(struct ks8695_priv *ksp, int budget)
 {
 	struct net_device *ndev = ksp->ndev;
@@ -461,7 +460,6 @@ static int ks8695_rx(struct ks8695_priv *ksp, int budget)
 	int buff_n;
 	u32 flags;
 	int pktlen;
-	int last_rx_processed = -1;
 	int received = 0;
 
 	buff_n = ksp->next_rx_desc_read;
@@ -471,6 +469,7 @@ static int ks8695_rx(struct ks8695_priv *ksp, int budget)
 					cpu_to_le32(RDES_OWN)))) {
 			rmb();
 			flags = le32_to_cpu(ksp->rx_ring[buff_n].status);
+
 			/* Found an SKB which we own, this means we
 			 * received a packet
 			 */
@@ -533,23 +532,18 @@ rx_failure:
 			ksp->rx_ring[buff_n].status = cpu_to_le32(RDES_OWN);
 rx_finished:
 			received++;
-			/* And note this as processed so we can start
-			 * from here next time
-			 */
-			last_rx_processed = buff_n;
 			buff_n = (buff_n + 1) & MAX_RX_DESC_MASK;
-			/*And note which RX descriptor we last did */
-			if (likely(last_rx_processed != -1))
-				ksp->next_rx_desc_read =
-					(last_rx_processed + 1) &
-					MAX_RX_DESC_MASK;
 	}
+
+	/* And note which RX descriptor we last did */
+	ksp->next_rx_desc_read = buff_n;
+
 	/* And refill the buffers */
 	ks8695_refill_rxbuffers(ksp);
 
-	/* Kick the RX DMA engine, in case it became
-	 *  suspended */
+	/* Kick the RX DMA engine, in case it became suspended */
 	ks8695_writereg(ksp, KS8695_DRSC, 0);
+
 	return received;
 }
 
@@ -575,9 +569,9 @@ static int ks8695_poll(struct napi_struct *napi, int budget)
 	if (work_done < budget) {
 		unsigned long flags;
 		spin_lock_irqsave(&ksp->rx_lock, flags);
+		__napi_complete(napi);
 		/*enable rx interrupt*/
 		writel(isr | mask_bit, KS8695_IRQ_VA + KS8695_INTEN);
-		__napi_complete(napi);
 		spin_unlock_irqrestore(&ksp->rx_lock, flags);
 	}
 	return work_done;
diff --git a/drivers/net/atlx/atl1.c b/drivers/net/atlx/atl1.c
index 9ba547069db3..0ebd8208f606 100644
--- a/drivers/net/atlx/atl1.c
+++ b/drivers/net/atlx/atl1.c
@@ -84,7 +84,7 @@
 
 #define ATLX_DRIVER_VERSION "2.1.3"
 MODULE_AUTHOR("Xiong Huang <xiong.huang@atheros.com>, \
-	Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>");
+Chris Snook <csnook@redhat.com>, Jay Cliburn <jcliburn@gmail.com>");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(ATLX_DRIVER_VERSION);
 
diff --git a/drivers/net/atlx/atl2.h b/drivers/net/atlx/atl2.h
index d918bbe621ea..927e4de6474d 100644
--- a/drivers/net/atlx/atl2.h
+++ b/drivers/net/atlx/atl2.h
@@ -442,7 +442,7 @@ struct atl2_hw {
 struct atl2_ring_header {
     /* pointer to the descriptor ring memory */
     void *desc;
-    /* physical adress of the descriptor ring */
+    /* physical address of the descriptor ring */
     dma_addr_t dma;
     /* length of descriptor ring in bytes */
     unsigned int size;
diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index be81fb2d10f7..8f0752553681 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -290,11 +290,6 @@ extern const struct ethtool_ops be_ethtool_ops;
 
 #define drvr_stats(adapter)		(&adapter->stats.drvr_stats)
 
-static inline unsigned int be_pci_func(struct be_adapter *adapter)
-{
-	return PCI_FUNC(adapter->pdev->devfn);
-}
-
 #define BE_SET_NETDEV_OPS(netdev, ops)	(netdev->netdev_ops = ops)
 
 #define PAGE_SHIFT_4K		12
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 4b1f80519ca4..50e6259b50e4 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -465,8 +465,6 @@ int be_cmd_eq_create(struct be_adapter *adapter,
 
 	req->num_pages =  cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
 
-	AMAP_SET_BITS(struct amap_eq_context, func, req->context,
-			be_pci_func(adapter));
 	AMAP_SET_BITS(struct amap_eq_context, valid, req->context, 1);
 	/* 4byte eqe*/
 	AMAP_SET_BITS(struct amap_eq_context, size, req->context, 0);
@@ -629,7 +627,6 @@ int be_cmd_cq_create(struct be_adapter *adapter,
 	AMAP_SET_BITS(struct amap_cq_context, eventable, ctxt, 1);
 	AMAP_SET_BITS(struct amap_cq_context, eqid, ctxt, eq->id);
 	AMAP_SET_BITS(struct amap_cq_context, armed, ctxt, 1);
-	AMAP_SET_BITS(struct amap_cq_context, func, ctxt, be_pci_func(adapter));
 	be_dws_cpu_to_le(ctxt, sizeof(req->context));
 
 	be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem);
@@ -676,9 +673,8 @@ int be_cmd_mccq_create(struct be_adapter *adapter,
 	be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON,
 			OPCODE_COMMON_MCC_CREATE, sizeof(*req));
 
-	req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size);
+	req->num_pages = cpu_to_le16(PAGES_4K_SPANNED(q_mem->va, q_mem->size));
 
-	AMAP_SET_BITS(struct amap_mcc_context, fid, ctxt, be_pci_func(adapter));
 	AMAP_SET_BITS(struct amap_mcc_context, valid, ctxt, 1);
 	AMAP_SET_BITS(struct amap_mcc_context, ring_size, ctxt,
 		be_encoded_q_len(mccq->len));
@@ -727,8 +723,6 @@ int be_cmd_txq_create(struct be_adapter *adapter,
 
 	AMAP_SET_BITS(struct amap_tx_context, tx_ring_size, ctxt,
 		be_encoded_q_len(txq->len));
-	AMAP_SET_BITS(struct amap_tx_context, pci_func_id, ctxt,
-			be_pci_func(adapter));
 	AMAP_SET_BITS(struct amap_tx_context, ctx_valid, ctxt, 1);
 	AMAP_SET_BITS(struct amap_tx_context, cq_id_send, ctxt, cq->id);
 
diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c
index 9560d48944ab..51e1065e7897 100644
--- a/drivers/net/benet/be_ethtool.c
+++ b/drivers/net/benet/be_ethtool.c
@@ -490,7 +490,7 @@ be_test_ddr_dma(struct be_adapter *adapter)
 {
 	int ret, i;
 	struct be_dma_mem ddrdma_cmd;
-	u64 pattern[2] = {0x5a5a5a5a5a5a5a5a, 0xa5a5a5a5a5a5a5a5};
+	u64 pattern[2] = {0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL};
 
 	ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
 	ddrdma_cmd.va = pci_alloc_consistent(adapter->pdev, ddrdma_cmd.size,
diff --git a/drivers/net/benet/be_hw.h b/drivers/net/benet/be_hw.h
index 5ffb149181ad..2d4a4b827637 100644
--- a/drivers/net/benet/be_hw.h
+++ b/drivers/net/benet/be_hw.h
@@ -114,8 +114,7 @@
 #define IMG_TYPE_ISCSI_BACKUP		9
 #define IMG_TYPE_FCOE_FW_ACTIVE		10
 #define IMG_TYPE_FCOE_FW_BACKUP 	11
-#define IMG_TYPE_NCSI_BITFILE		13
-#define IMG_TYPE_NCSI_8051		14
+#define IMG_TYPE_NCSI_FW		13
 
 #define FLASHROM_OPER_FLASH		1
 #define FLASHROM_OPER_SAVE		2
@@ -127,6 +126,7 @@
 #define FLASH_IMAGE_MAX_SIZE_g3            (2097152) /* Max fw image size */
 #define FLASH_BIOS_IMAGE_MAX_SIZE_g3       (524288)  /* Max OPTION ROM img sz */
 #define FLASH_REDBOOT_IMAGE_MAX_SIZE_g3	  (1048576)  /* Max Redboot image sz */
+#define FLASH_NCSI_IMAGE_MAX_SIZE_g3       (262144)  /* Max NSCI image sz */
 
 #define FLASH_NCSI_MAGIC		(0x16032009)
 #define FLASH_NCSI_DISABLED		(0)
@@ -144,6 +144,7 @@
 #define FLASH_FCoE_BIOS_START_g2           (524288)
 #define FLASH_REDBOOT_START_g2		  (0)
 
+#define FLASH_NCSI_START_g3		   (15990784)
 #define FLASH_iSCSI_PRIMARY_IMAGE_START_g3 (2097152)
 #define FLASH_iSCSI_BACKUP_IMAGE_START_g3  (4194304)
 #define FLASH_FCoE_PRIMARY_IMAGE_START_g3  (6291456)
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index a703ed8e24fe..43e8032f9236 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -1382,7 +1382,7 @@ rx_eq_free:
 /* There are 8 evt ids per func. Retruns the evt id's bit number */
 static inline int be_evt_bit_get(struct be_adapter *adapter, u32 eq_id)
 {
-	return eq_id - 8 * be_pci_func(adapter);
+	return eq_id % 8;
 }
 
 static irqreturn_t be_intx(int irq, void *dev)
@@ -1880,8 +1880,9 @@ static int be_flash_data(struct be_adapter *adapter,
 	const u8 *p = fw->data;
 	struct be_cmd_write_flashrom *req = flash_cmd->va;
 	struct flash_comp *pflashcomp;
+	int num_comp;
 
-	struct flash_comp gen3_flash_types[8] = {
+	struct flash_comp gen3_flash_types[9] = {
 		{ FLASH_iSCSI_PRIMARY_IMAGE_START_g3, IMG_TYPE_ISCSI_ACTIVE,
 			FLASH_IMAGE_MAX_SIZE_g3},
 		{ FLASH_REDBOOT_START_g3, IMG_TYPE_REDBOOT,
@@ -1897,7 +1898,9 @@ static int be_flash_data(struct be_adapter *adapter,
 		{ FLASH_FCoE_PRIMARY_IMAGE_START_g3, IMG_TYPE_FCOE_FW_ACTIVE,
 			FLASH_IMAGE_MAX_SIZE_g3},
 		{ FLASH_FCoE_BACKUP_IMAGE_START_g3, IMG_TYPE_FCOE_FW_BACKUP,
-			FLASH_IMAGE_MAX_SIZE_g3}
+			FLASH_IMAGE_MAX_SIZE_g3},
+		{ FLASH_NCSI_START_g3, IMG_TYPE_NCSI_FW,
+			FLASH_NCSI_IMAGE_MAX_SIZE_g3}
 	};
 	struct flash_comp gen2_flash_types[8] = {
 		{ FLASH_iSCSI_PRIMARY_IMAGE_START_g2, IMG_TYPE_ISCSI_ACTIVE,
@@ -1921,11 +1924,16 @@ static int be_flash_data(struct be_adapter *adapter,
 	if (adapter->generation == BE_GEN3) {
 		pflashcomp = gen3_flash_types;
 		filehdr_size = sizeof(struct flash_file_hdr_g3);
+		num_comp = 9;
 	} else {
 		pflashcomp = gen2_flash_types;
 		filehdr_size = sizeof(struct flash_file_hdr_g2);
+		num_comp = 8;
 	}
-	for (i = 0; i < 8; i++) {
+	for (i = 0; i < num_comp; i++) {
+		if ((pflashcomp[i].optype == IMG_TYPE_NCSI_FW) &&
+				memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0)
+			continue;
 		if ((pflashcomp[i].optype == IMG_TYPE_REDBOOT) &&
 			(!be_flash_redboot(adapter, fw->data,
 			 pflashcomp[i].offset, pflashcomp[i].size,
@@ -1985,16 +1993,7 @@ int be_load_fw(struct be_adapter *adapter, u8 *func)
 	struct be_dma_mem flash_cmd;
 	int status, i = 0;
 	const u8 *p;
-	char fw_ver[FW_VER_LEN];
-	char fw_cfg;
-
-	status = be_cmd_get_fw_ver(adapter, fw_ver);
-	if (status)
-		return status;
 
-	fw_cfg = *(fw_ver + 2);
-	if (fw_cfg == '0')
-		fw_cfg = '1';
 	strcpy(fw_file, func);
 
 	status = request_firmware(&fw, fw_file, &adapter->pdev->dev);
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 381887ba677c..a257babd1bb4 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -246,6 +246,8 @@ static const struct flash_spec flash_5709 = {
 
 MODULE_DEVICE_TABLE(pci, bnx2_pci_tbl);
 
+static void bnx2_init_napi(struct bnx2 *bp);
+
 static inline u32 bnx2_tx_avail(struct bnx2 *bp, struct bnx2_tx_ring_info *txr)
 {
 	u32 diff;
@@ -6197,6 +6199,7 @@ bnx2_open(struct net_device *dev)
 	bnx2_disable_int(bp);
 
 	bnx2_setup_int_mode(bp, disable_msi);
+	bnx2_init_napi(bp);
 	bnx2_napi_enable(bp);
 	rc = bnx2_alloc_mem(bp);
 	if (rc)
@@ -7643,9 +7646,11 @@ poll_bnx2(struct net_device *dev)
 	int i;
 
 	for (i = 0; i < bp->irq_nvecs; i++) {
-		disable_irq(bp->irq_tbl[i].vector);
-		bnx2_interrupt(bp->irq_tbl[i].vector, &bp->bnx2_napi[i]);
-		enable_irq(bp->irq_tbl[i].vector);
+		struct bnx2_irq *irq = &bp->irq_tbl[i];
+
+		disable_irq(irq->vector);
+		irq->handler(irq->vector, &bp->bnx2_napi[i]);
+		enable_irq(irq->vector);
 	}
 }
 #endif
@@ -8207,7 +8212,7 @@ bnx2_init_napi(struct bnx2 *bp)
 {
 	int i;
 
-	for (i = 0; i < BNX2_MAX_MSIX_VEC; i++) {
+	for (i = 0; i < bp->irq_nvecs; i++) {
 		struct bnx2_napi *bnapi = &bp->bnx2_napi[i];
 		int (*poll)(struct napi_struct *, int);
 
@@ -8276,7 +8281,6 @@ bnx2_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	dev->ethtool_ops = &bnx2_ethtool_ops;
 
 	bp = netdev_priv(dev);
-	bnx2_init_napi(bp);
 
 	pci_set_drvdata(pdev, dev);
 
diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index ed785a30e98b..6c042a72d6cc 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -893,7 +893,6 @@ static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp)
 	u16 prod;
 	u16 cons;
 
-	barrier(); /* Tell compiler that prod and cons can change */
 	prod = fp->tx_bd_prod;
 	cons = fp->tx_bd_cons;
 
@@ -963,7 +962,7 @@ static int bnx2x_tx_int(struct bnx2x_fastpath *fp)
 	 * start_xmit() will miss it and cause the queue to be stopped
 	 * forever.
 	 */
-	smp_wmb();
+	smp_mb();
 
 	/* TBD need a thresh? */
 	if (unlikely(netif_tx_queue_stopped(txq))) {
@@ -11429,9 +11428,12 @@ static netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) {
 		netif_tx_stop_queue(txq);
-		/* We want bnx2x_tx_int to "see" the updated tx_bd_prod
-		   if we put Tx into XOFF state. */
+
+		/* paired memory barrier is in bnx2x_tx_int(), we have to keep
+		 * ordering of set_bit() in netif_tx_stop_queue() and read of
+		 * fp->bd_tx_cons */
 		smp_mb();
+
 		fp->eth_q_stats.driver_xoff++;
 		if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)
 			netif_tx_wake_queue(txq);
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 430c02267d7e..5b92fbff431d 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1235,6 +1235,11 @@ void bond_change_active_slave(struct bonding *bond, struct slave *new_active)
 			write_lock_bh(&bond->curr_slave_lock);
 		}
 	}
+
+	/* resend IGMP joins since all were sent on curr_active_slave */
+	if (bond->params.mode == BOND_MODE_ROUNDROBIN) {
+		bond_resend_igmp_join_requests(bond);
+	}
 }
 
 /**
@@ -4138,22 +4143,41 @@ static int bond_xmit_roundrobin(struct sk_buff *skb, struct net_device *bond_dev
 	struct bonding *bond = netdev_priv(bond_dev);
 	struct slave *slave, *start_at;
 	int i, slave_no, res = 1;
+	struct iphdr *iph = ip_hdr(skb);
 
 	read_lock(&bond->lock);
 
 	if (!BOND_IS_OK(bond))
 		goto out;
-
 	/*
-	 * Concurrent TX may collide on rr_tx_counter; we accept that
-	 * as being rare enough not to justify using an atomic op here
+	 * Start with the curr_active_slave that joined the bond as the
+	 * default for sending IGMP traffic.  For failover purposes one
+	 * needs to maintain some consistency for the interface that will
+	 * send the join/membership reports.  The curr_active_slave found
+	 * will send all of this type of traffic.
 	 */
-	slave_no = bond->rr_tx_counter++ % bond->slave_cnt;
+	if ((iph->protocol == htons(IPPROTO_IGMP)) &&
+	    (skb->protocol == htons(ETH_P_IP))) {
 
-	bond_for_each_slave(bond, slave, i) {
-		slave_no--;
-		if (slave_no < 0)
-			break;
+		read_lock(&bond->curr_slave_lock);
+		slave = bond->curr_active_slave;
+		read_unlock(&bond->curr_slave_lock);
+
+		if (!slave)
+			goto out;
+	} else {
+		/*
+		 * Concurrent TX may collide on rr_tx_counter; we accept
+		 * that as being rare enough not to justify using an
+		 * atomic op here.
+		 */
+		slave_no = bond->rr_tx_counter++ % bond->slave_cnt;
+
+		bond_for_each_slave(bond, slave, i) {
+			slave_no--;
+			if (slave_no < 0)
+				break;
+		}
 	}
 
 	start_at = slave;
diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 5acd557cea9b..b8bec086daa1 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -51,7 +51,9 @@
  * "show" function for the bond_masters attribute.
  * The class parameter is ignored.
  */
-static ssize_t bonding_show_bonds(struct class *cls, char *buf)
+static ssize_t bonding_show_bonds(struct class *cls,
+				  struct class_attribute *attr,
+				  char *buf)
 {
 	struct net *net = current->nsproxy->net_ns;
 	struct bond_net *bn = net_generic(net, bond_net_id);
@@ -98,6 +100,7 @@ static struct net_device *bond_get_by_name(struct net *net, const char *ifname)
  */
 
 static ssize_t bonding_store_bonds(struct class *cls,
+				   struct class_attribute *attr,
 				   const char *buffer, size_t count)
 {
 	struct net *net = current->nsproxy->net_ns;
diff --git a/drivers/net/can/bfin_can.c b/drivers/net/can/bfin_can.c
index bf7f9ba2d903..03489864376d 100644
--- a/drivers/net/can/bfin_can.c
+++ b/drivers/net/can/bfin_can.c
@@ -22,94 +22,12 @@
 #include <linux/can/dev.h>
 #include <linux/can/error.h>
 
+#include <asm/bfin_can.h>
 #include <asm/portmux.h>
 
 #define DRV_NAME "bfin_can"
 #define BFIN_CAN_TIMEOUT 100
-
-/*
- * transmit and receive channels
- */
-#define TRANSMIT_CHL            24
-#define RECEIVE_STD_CHL         0
-#define RECEIVE_EXT_CHL         4
-#define RECEIVE_RTR_CHL         8
-#define RECEIVE_EXT_RTR_CHL     12
-#define MAX_CHL_NUMBER          32
-
-/*
- * bfin can registers layout
- */
-struct bfin_can_mask_regs {
-	u16 aml;
-	u16 dummy1;
-	u16 amh;
-	u16 dummy2;
-};
-
-struct bfin_can_channel_regs {
-	u16 data[8];
-	u16 dlc;
-	u16 dummy1;
-	u16 tsv;
-	u16 dummy2;
-	u16 id0;
-	u16 dummy3;
-	u16 id1;
-	u16 dummy4;
-};
-
-struct bfin_can_regs {
-	/*
-	 * global control and status registers
-	 */
-	u16 mc1;           /* offset 0 */
-	u16 dummy1;
-	u16 md1;           /* offset 4 */
-	u16 rsv1[13];
-	u16 mbtif1;        /* offset 0x20 */
-	u16 dummy2;
-	u16 mbrif1;        /* offset 0x24 */
-	u16 dummy3;
-	u16 mbim1;         /* offset 0x28 */
-	u16 rsv2[11];
-	u16 mc2;           /* offset 0x40 */
-	u16 dummy4;
-	u16 md2;           /* offset 0x44 */
-	u16 dummy5;
-	u16 trs2;          /* offset 0x48 */
-	u16 rsv3[11];
-	u16 mbtif2;        /* offset 0x60 */
-	u16 dummy6;
-	u16 mbrif2;        /* offset 0x64 */
-	u16 dummy7;
-	u16 mbim2;         /* offset 0x68 */
-	u16 rsv4[11];
-	u16 clk;           /* offset 0x80 */
-	u16 dummy8;
-	u16 timing;        /* offset 0x84 */
-	u16 rsv5[3];
-	u16 status;        /* offset 0x8c */
-	u16 dummy9;
-	u16 cec;           /* offset 0x90 */
-	u16 dummy10;
-	u16 gis;           /* offset 0x94 */
-	u16 dummy11;
-	u16 gim;           /* offset 0x98 */
-	u16 rsv6[3];
-	u16 ctrl;          /* offset 0xa0 */
-	u16 dummy12;
-	u16 intr;          /* offset 0xa4 */
-	u16 rsv7[7];
-	u16 esr;           /* offset 0xb4 */
-	u16 rsv8[37];
-
-	/*
-	 * channel(mailbox) mask and message registers
-	 */
-	struct bfin_can_mask_regs msk[MAX_CHL_NUMBER];    /* offset 0x100 */
-	struct bfin_can_channel_regs chl[MAX_CHL_NUMBER]; /* offset 0x200 */
-};
+#define TX_ECHO_SKB_MAX  1
 
 /*
  * bfin can private data
@@ -162,7 +80,7 @@ static int bfin_can_set_bittiming(struct net_device *dev)
 	if (priv->can.ctrlmode & CAN_CTRLMODE_3_SAMPLES)
 		timing |= SAM;
 
-	bfin_write16(&reg->clk, clk);
+	bfin_write16(&reg->clock, clk);
 	bfin_write16(&reg->timing, timing);
 
 	dev_info(dev->dev.parent, "setting CLOCK=0x%04x TIMING=0x%04x\n",
@@ -184,11 +102,11 @@ static void bfin_can_set_reset_mode(struct net_device *dev)
 	bfin_write16(&reg->gim, 0);
 
 	/* reset can and enter configuration mode */
-	bfin_write16(&reg->ctrl, SRS | CCR);
+	bfin_write16(&reg->control, SRS | CCR);
 	SSYNC();
-	bfin_write16(&reg->ctrl, CCR);
+	bfin_write16(&reg->control, CCR);
 	SSYNC();
-	while (!(bfin_read16(&reg->ctrl) & CCA)) {
+	while (!(bfin_read16(&reg->control) & CCA)) {
 		udelay(10);
 		if (--timeout == 0) {
 			dev_err(dev->dev.parent,
@@ -243,7 +161,7 @@ static void bfin_can_set_normal_mode(struct net_device *dev)
 	/*
 	 * leave configuration mode
 	 */
-	bfin_write16(&reg->ctrl, bfin_read16(&reg->ctrl) & ~CCR);
+	bfin_write16(&reg->control, bfin_read16(&reg->control) & ~CCR);
 
 	while (bfin_read16(&reg->status) & CCA) {
 		udelay(10);
@@ -593,7 +511,7 @@ struct net_device *alloc_bfin_candev(void)
 	struct net_device *dev;
 	struct bfin_can_priv *priv;
 
-	dev = alloc_candev(sizeof(*priv));
+	dev = alloc_candev(sizeof(*priv), TX_ECHO_SKB_MAX);
 	if (!dev)
 		return NULL;
 
@@ -725,7 +643,7 @@ static int bfin_can_suspend(struct platform_device *pdev, pm_message_t mesg)
 
 	if (netif_running(dev)) {
 		/* enter sleep mode */
-		bfin_write16(&reg->ctrl, bfin_read16(&reg->ctrl) | SMR);
+		bfin_write16(&reg->control, bfin_read16(&reg->control) | SMR);
 		SSYNC();
 		while (!(bfin_read16(&reg->intr) & SMACK)) {
 			udelay(10);
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 11c87840cc00..33451092b8e8 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -876,9 +876,7 @@ static netdev_tx_t ems_usb_start_xmit(struct sk_buff *skb, struct net_device *ne
 	return NETDEV_TX_OK;
 
 nomem:
-	if (skb)
-		dev_kfree_skb(skb);
-
+	dev_kfree_skb(skb);
 	stats->tx_dropped++;
 
 	return NETDEV_TX_OK;
diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index 7cbcfb0ade1c..9bd155e4111c 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -5072,7 +5072,7 @@ static int __devinit cas_init_one(struct pci_dev *pdev,
 	INIT_WORK(&cp->reset_task, cas_reset_task);
 
 	/* Default link parameters */
-	if (link_mode >= 0 && link_mode <= 6)
+	if (link_mode >= 0 && link_mode < 6)
 		cp->link_cntl = link_modes[link_mode];
 	else
 		cp->link_cntl = BMCR_ANENABLE;
diff --git a/drivers/net/chelsio/sge.c b/drivers/net/chelsio/sge.c
index 71384114a4ed..55d99ca82f8a 100644
--- a/drivers/net/chelsio/sge.c
+++ b/drivers/net/chelsio/sge.c
@@ -248,7 +248,7 @@ static void restart_sched(unsigned long);
  *
  * Interrupts are handled by a single CPU and it is likely that on a MP system
  * the application is migrated to another CPU. In that scenario, we try to
- * seperate the RX(in irq context) and TX state in order to decrease memory
+ * separate the RX(in irq context) and TX state in order to decrease memory
  * contention.
  */
 struct sge {
diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index b85c81f60d10..60777fd90b33 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -28,6 +28,7 @@
 #include <linux/delay.h>
 
 #include <linux/netdevice.h>
+#include <linux/if_vlan.h>
 #include <linux/etherdevice.h>
 #include <linux/ethtool.h>
 #include <linux/skbuff.h>
@@ -55,9 +56,9 @@ module_param(dumb_switch, int, 0444);
 MODULE_PARM_DESC(debug_level, "Number of NETIF_MSG bits to enable");
 MODULE_PARM_DESC(dumb_switch, "Assume switch is not connected to MDIO bus");
 
-#define CPMAC_VERSION "0.5.1"
-/* frame size + 802.1q tag */
-#define CPMAC_SKB_SIZE		(ETH_FRAME_LEN + 4)
+#define CPMAC_VERSION "0.5.2"
+/* frame size + 802.1q tag + FCS size */
+#define CPMAC_SKB_SIZE		(ETH_FRAME_LEN + ETH_FCS_LEN + VLAN_HLEN)
 #define CPMAC_QUEUES	8
 
 /* Ethernet registers */
@@ -1136,8 +1137,9 @@ static int __devinit cpmac_probe(struct platform_device *pdev)
 	}
 
 	if (phy_id == PHY_MAX_ADDR) {
-		dev_err(&pdev->dev, "no PHY present\n");
-		return -ENODEV;
+		dev_err(&pdev->dev, "no PHY present, falling back to switch on MDIO bus 0\n");
+		strncpy(mdio_bus_id, "0", MII_BUS_ID_SIZE); /* fixed phys bus */
+		phy_id = pdev->id;
 	}
 
 	dev = alloc_etherdev_mq(sizeof(*priv), CPMAC_QUEUES);
@@ -1290,8 +1292,8 @@ void __devexit cpmac_exit(void)
 {
 	platform_driver_unregister(&cpmac_driver);
 	mdiobus_unregister(cpmac_mii);
-	mdiobus_free(cpmac_mii);
 	iounmap(cpmac_mii->priv);
+	mdiobus_free(cpmac_mii);
 }
 
 module_init(cpmac_init);
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index 14624019ce71..b0208e474f7e 100644
--- a/drivers/net/cs89x0.c
+++ b/drivers/net/cs89x0.c
@@ -580,7 +580,7 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular)
 	}
 
 #ifdef CONFIG_SH_HICOSH4
-	/* truely reset the chip */
+	/* truly reset the chip */
 	writeword(ioaddr, ADD_PORT, 0x0114);
 	writeword(ioaddr, DATA_PORT, 0x0040);
 #endif
diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 3e8618b4efbc..4cd7f420766a 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -264,6 +264,10 @@ struct adapter {
 	struct work_struct fatal_error_handler_task;
 	struct work_struct link_fault_handler_task;
 
+	struct work_struct db_full_task;
+	struct work_struct db_empty_task;
+	struct work_struct db_drop_task;
+
 	struct dentry *debugfs_root;
 
 	struct mutex mdio_lock;
@@ -335,6 +339,7 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
 int t3_get_desc(const struct sge_qset *qs, unsigned int qnum, unsigned int idx,
 		unsigned char *data);
 irqreturn_t t3_sge_intr_msix(int irq, void *cookie);
+extern struct workqueue_struct *cxgb3_wq;
 
 int t3_get_edc_fw(struct cphy *phy, int edc_idx, int size);
 
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index 6fd968abb073..9e3e8750b46a 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -45,6 +45,7 @@
 #include <linux/firmware.h>
 #include <linux/log2.h>
 #include <linux/stringify.h>
+#include <linux/sched.h>
 #include <asm/uaccess.h>
 
 #include "common.h"
@@ -140,7 +141,7 @@ MODULE_PARM_DESC(ofld_disable, "whether to enable offload at init time or not");
  * will block keventd as it needs the rtnl lock, and we'll deadlock waiting
  * for our work to complete.  Get our own work queue to solve this.
  */
-static struct workqueue_struct *cxgb3_wq;
+struct workqueue_struct *cxgb3_wq;
 
 /**
  *	link_report - show link status and link speed/duplex
@@ -586,6 +587,19 @@ static void setup_rss(struct adapter *adap)
 		      V_RRCPLCPUSIZE(6) | F_HASHTOEPLITZ, cpus, rspq_map);
 }
 
+static void ring_dbs(struct adapter *adap)
+{
+	int i, j;
+
+	for (i = 0; i < SGE_QSETS; i++) {
+		struct sge_qset *qs = &adap->sge.qs[i];
+
+		if (qs->adap)
+			for (j = 0; j < SGE_TXQ_PER_SET; j++)
+				t3_write_reg(adap, A_SG_KDOORBELL, F_SELEGRCNTX | V_EGRCNTX(qs->txq[j].cntxt_id));
+	}
+}
+
 static void init_napi(struct adapter *adap)
 {
 	int i;
@@ -1280,6 +1294,7 @@ static void cxgb_down(struct adapter *adapter)
 
 	free_irq_resources(adapter);
 	quiesce_rx(adapter);
+	t3_sge_stop(adapter);
 	flush_workqueue(cxgb3_wq);	/* wait for external IRQ handler */
 }
 
@@ -2750,6 +2765,42 @@ static void t3_adap_check_task(struct work_struct *work)
 	spin_unlock_irq(&adapter->work_lock);
 }
 
+static void db_full_task(struct work_struct *work)
+{
+	struct adapter *adapter = container_of(work, struct adapter,
+					       db_full_task);
+
+	cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_FULL, 0);
+}
+
+static void db_empty_task(struct work_struct *work)
+{
+	struct adapter *adapter = container_of(work, struct adapter,
+					       db_empty_task);
+
+	cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_EMPTY, 0);
+}
+
+static void db_drop_task(struct work_struct *work)
+{
+	struct adapter *adapter = container_of(work, struct adapter,
+					       db_drop_task);
+	unsigned long delay = 1000;
+	unsigned short r;
+
+	cxgb3_event_notify(&adapter->tdev, OFFLOAD_DB_DROP, 0);
+
+	/*
+	 * Sleep a while before ringing the driver qset dbs.
+	 * The delay is between 1000-2023 usecs.
+	 */
+	get_random_bytes(&r, 2);
+	delay += r & 1023;
+	set_current_state(TASK_UNINTERRUPTIBLE);
+	schedule_timeout(usecs_to_jiffies(delay));
+	ring_dbs(adapter);
+}
+
 /*
  * Processes external (PHY) interrupts in process context.
  */
@@ -3218,6 +3269,11 @@ static int __devinit init_one(struct pci_dev *pdev,
 	INIT_LIST_HEAD(&adapter->adapter_list);
 	INIT_WORK(&adapter->ext_intr_handler_task, ext_intr_task);
 	INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task);
+
+	INIT_WORK(&adapter->db_full_task, db_full_task);
+	INIT_WORK(&adapter->db_empty_task, db_empty_task);
+	INIT_WORK(&adapter->db_drop_task, db_drop_task);
+
 	INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task);
 
 	for (i = 0; i < ai->nports0 + ai->nports1; ++i) {
diff --git a/drivers/net/cxgb3/cxgb3_offload.h b/drivers/net/cxgb3/cxgb3_offload.h
index 670aa62042da..929c298115ca 100644
--- a/drivers/net/cxgb3/cxgb3_offload.h
+++ b/drivers/net/cxgb3/cxgb3_offload.h
@@ -73,7 +73,10 @@ enum {
 	OFFLOAD_STATUS_UP,
 	OFFLOAD_STATUS_DOWN,
 	OFFLOAD_PORT_DOWN,
-	OFFLOAD_PORT_UP
+	OFFLOAD_PORT_UP,
+	OFFLOAD_DB_FULL,
+	OFFLOAD_DB_EMPTY,
+	OFFLOAD_DB_DROP
 };
 
 struct cxgb3_client {
diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h
index 1b5327b5a965..cb42353c9fdd 100644
--- a/drivers/net/cxgb3/regs.h
+++ b/drivers/net/cxgb3/regs.h
@@ -254,6 +254,22 @@
 #define V_LOPIODRBDROPERR(x) ((x) << S_LOPIODRBDROPERR)
 #define F_LOPIODRBDROPERR    V_LOPIODRBDROPERR(1U)
 
+#define S_HIPRIORITYDBFULL    7
+#define V_HIPRIORITYDBFULL(x) ((x) << S_HIPRIORITYDBFULL)
+#define F_HIPRIORITYDBFULL    V_HIPRIORITYDBFULL(1U)
+
+#define S_HIPRIORITYDBEMPTY   6
+#define V_HIPRIORITYDBEMPTY(x) ((x) << S_HIPRIORITYDBEMPTY)
+#define F_HIPRIORITYDBEMPTY    V_HIPRIORITYDBEMPTY(1U)
+
+#define S_LOPRIORITYDBFULL    5
+#define V_LOPRIORITYDBFULL(x) ((x) << S_LOPRIORITYDBFULL)
+#define F_LOPRIORITYDBFULL    V_LOPRIORITYDBFULL(1U)
+
+#define S_LOPRIORITYDBEMPTY   4
+#define V_LOPRIORITYDBEMPTY(x) ((x) << S_LOPRIORITYDBEMPTY)
+#define F_LOPRIORITYDBEMPTY    V_LOPRIORITYDBEMPTY(1U)
+
 #define S_RSPQDISABLED    3
 #define V_RSPQDISABLED(x) ((x) << S_RSPQDISABLED)
 #define F_RSPQDISABLED    V_RSPQDISABLED(1U)
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index 048205903741..67e61b2a8c42 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -42,6 +42,7 @@
 #include "sge_defs.h"
 #include "t3_cpl.h"
 #include "firmware_exports.h"
+#include "cxgb3_offload.h"
 
 #define USE_GTS 0
 
@@ -196,13 +197,13 @@ static inline void refill_rspq(struct adapter *adapter,
 /**
  *	need_skb_unmap - does the platform need unmapping of sk_buffs?
  *
- *	Returns true if the platfrom needs sk_buff unmapping.  The compiler
+ *	Returns true if the platform needs sk_buff unmapping.  The compiler
  *	optimizes away unecessary code if this returns true.
  */
 static inline int need_skb_unmap(void)
 {
 	/*
-	 * This structure is used to tell if the platfrom needs buffer
+	 * This structure is used to tell if the platform needs buffer
 	 * unmapping by checking if DECLARE_PCI_UNMAP_ADDR defines anything.
 	 */
 	struct dummy {
@@ -2841,8 +2842,13 @@ void t3_sge_err_intr_handler(struct adapter *adapter)
 	}
 
 	if (status & (F_HIPIODRBDROPERR | F_LOPIODRBDROPERR))
-		CH_ALERT(adapter, "SGE dropped %s priority doorbell\n",
-			 status & F_HIPIODRBDROPERR ? "high" : "lo");
+		queue_work(cxgb3_wq, &adapter->db_drop_task);
+
+	if (status & (F_HIPRIORITYDBFULL | F_LOPRIORITYDBFULL))
+		queue_work(cxgb3_wq, &adapter->db_full_task);
+
+	if (status & (F_HIPRIORITYDBEMPTY | F_LOPRIORITYDBEMPTY))
+		queue_work(cxgb3_wq, &adapter->db_empty_task);
 
 	t3_write_reg(adapter, A_SG_INT_CAUSE, status);
 	if (status &  SGE_FATALERR)
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index 3ab9f51918aa..95a8ba0759f1 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -1433,7 +1433,10 @@ static int t3_handle_intr_status(struct adapter *adapter, unsigned int reg,
 		       F_IRPARITYERROR | V_ITPARITYERROR(M_ITPARITYERROR) | \
 		       V_FLPARITYERROR(M_FLPARITYERROR) | F_LODRBPARITYERROR | \
 		       F_HIDRBPARITYERROR | F_LORCQPARITYERROR | \
-		       F_HIRCQPARITYERROR)
+		       F_HIRCQPARITYERROR | F_LOPRIORITYDBFULL | \
+		       F_HIPRIORITYDBFULL | F_LOPRIORITYDBEMPTY | \
+		       F_HIPRIORITYDBEMPTY | F_HIPIODRBDROPERR | \
+		       F_LOPIODRBDROPERR)
 #define MC5_INTR_MASK (F_PARITYERR | F_ACTRGNFULL | F_UNKNOWNCMD | \
 		       F_REQQPARERR | F_DISPQPARERR | F_DELACTEMPTY | \
 		       F_NFASRCHFAIL)
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 1ac9440eb3fb..2b8edd2efbf6 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -29,10 +29,6 @@
  *     PHY layer usage
  */
 
-/** Pending Items in this driver:
- * 1. Use Linux cache infrastcture for DMA'ed memory (dma_xxx functions)
- */
-
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -504,12 +500,6 @@ static unsigned long mdio_max_freq;
 
 /* Cache macros - Packet buffers would be from skb pool which is cached */
 #define EMAC_VIRT_NOCACHE(addr) (addr)
-#define EMAC_CACHE_INVALIDATE(addr, size) \
-	dma_cache_maint((void *)addr, size, DMA_FROM_DEVICE)
-#define EMAC_CACHE_WRITEBACK(addr, size) \
-	dma_cache_maint((void *)addr, size, DMA_TO_DEVICE)
-#define EMAC_CACHE_WRITEBACK_INVALIDATE(addr, size) \
-	dma_cache_maint((void *)addr, size, DMA_BIDIRECTIONAL)
 
 /* DM644x does not have BD's in cached memory - so no cache functions */
 #define BD_CACHE_INVALIDATE(addr, size)
@@ -1235,6 +1225,10 @@ static void emac_txch_teardown(struct emac_priv *priv, u32 ch)
 	if (1 == txch->queue_active) {
 		curr_bd = txch->active_queue_head;
 		while (curr_bd != NULL) {
+			dma_unmap_single(emac_dev, curr_bd->buff_ptr,
+				curr_bd->off_b_len & EMAC_RX_BD_BUF_SIZE,
+				DMA_TO_DEVICE);
+
 			emac_net_tx_complete(priv, (void __force *)
 					&curr_bd->buf_token, 1, ch);
 			if (curr_bd != txch->active_queue_tail)
@@ -1327,6 +1321,11 @@ static int emac_tx_bdproc(struct emac_priv *priv, u32 ch, u32 budget)
 				txch->queue_active = 0; /* end of queue */
 			}
 		}
+
+		dma_unmap_single(emac_dev, curr_bd->buff_ptr,
+				curr_bd->off_b_len & EMAC_RX_BD_BUF_SIZE,
+				DMA_TO_DEVICE);
+
 		*tx_complete_ptr = (u32) curr_bd->buf_token;
 		++tx_complete_ptr;
 		++tx_complete_cnt;
@@ -1387,8 +1386,8 @@ static int emac_send(struct emac_priv *priv, struct emac_netpktobj *pkt, u32 ch)
 
 	txch->bd_pool_head = curr_bd->next;
 	curr_bd->buf_token = buf_list->buf_token;
-	/* FIXME buff_ptr = dma_map_single(... data_ptr ...) */
-	curr_bd->buff_ptr = virt_to_phys(buf_list->data_ptr);
+	curr_bd->buff_ptr = dma_map_single(&priv->ndev->dev, buf_list->data_ptr,
+			buf_list->length, DMA_TO_DEVICE);
 	curr_bd->off_b_len = buf_list->length;
 	curr_bd->h_next = 0;
 	curr_bd->next = NULL;
@@ -1468,7 +1467,6 @@ static int emac_dev_xmit(struct sk_buff *skb, struct net_device *ndev)
 	tx_buf.length = skb->len;
 	tx_buf.buf_token = (void *)skb;
 	tx_buf.data_ptr = skb->data;
-	EMAC_CACHE_WRITEBACK((unsigned long)skb->data, skb->len);
 	ndev->trans_start = jiffies;
 	ret_code = emac_send(priv, &tx_packet, EMAC_DEF_TX_CH);
 	if (unlikely(ret_code != 0)) {
@@ -1543,7 +1541,6 @@ static void *emac_net_alloc_rx_buf(struct emac_priv *priv, int buf_size,
 	p_skb->dev = ndev;
 	skb_reserve(p_skb, NET_IP_ALIGN);
 	*data_token = (void *) p_skb;
-	EMAC_CACHE_WRITEBACK_INVALIDATE((unsigned long)p_skb->data, buf_size);
 	return p_skb->data;
 }
 
@@ -1612,8 +1609,8 @@ static int emac_init_rxch(struct emac_priv *priv, u32 ch, char *param)
 		/* populate the hardware descriptor */
 		curr_bd->h_next = emac_virt_to_phys(rxch->active_queue_head,
 				priv);
-		/* FIXME buff_ptr = dma_map_single(... data_ptr ...) */
-		curr_bd->buff_ptr = virt_to_phys(curr_bd->data_ptr);
+		curr_bd->buff_ptr = dma_map_single(emac_dev, curr_bd->data_ptr,
+				rxch->buf_size, DMA_FROM_DEVICE);
 		curr_bd->off_b_len = rxch->buf_size;
 		curr_bd->mode = EMAC_CPPI_OWNERSHIP_BIT;
 
@@ -1697,6 +1694,12 @@ static void emac_cleanup_rxch(struct emac_priv *priv, u32 ch)
 		curr_bd = rxch->active_queue_head;
 		while (curr_bd) {
 			if (curr_bd->buf_token) {
+				dma_unmap_single(&priv->ndev->dev,
+					curr_bd->buff_ptr,
+					curr_bd->off_b_len
+						& EMAC_RX_BD_BUF_SIZE,
+					DMA_FROM_DEVICE);
+
 				dev_kfree_skb_any((struct sk_buff *)\
 						  curr_bd->buf_token);
 			}
@@ -1871,8 +1874,8 @@ static void emac_addbd_to_rx_queue(struct emac_priv *priv, u32 ch,
 
 	/* populate the hardware descriptor */
 	curr_bd->h_next = 0;
-	/* FIXME buff_ptr = dma_map_single(... buffer ...) */
-	curr_bd->buff_ptr = virt_to_phys(buffer);
+	curr_bd->buff_ptr = dma_map_single(&priv->ndev->dev, buffer,
+				rxch->buf_size, DMA_FROM_DEVICE);
 	curr_bd->off_b_len = rxch->buf_size;
 	curr_bd->mode = EMAC_CPPI_OWNERSHIP_BIT;
 	curr_bd->next = NULL;
@@ -1927,7 +1930,6 @@ static int emac_net_rx_cb(struct emac_priv *priv,
 	p_skb = (struct sk_buff *)net_pkt_list->pkt_token;
 	/* set length of packet */
 	skb_put(p_skb, net_pkt_list->pkt_length);
-	EMAC_CACHE_INVALIDATE((unsigned long)p_skb->data, p_skb->len);
 	p_skb->protocol = eth_type_trans(p_skb, priv->ndev);
 	netif_receive_skb(p_skb);
 	priv->net_dev_stats.rx_bytes += net_pkt_list->pkt_length;
@@ -1990,6 +1992,11 @@ static int emac_rx_bdproc(struct emac_priv *priv, u32 ch, u32 budget)
 		rx_buf_obj->data_ptr = (char *)curr_bd->data_ptr;
 		rx_buf_obj->length = curr_bd->off_b_len & EMAC_RX_BD_BUF_SIZE;
 		rx_buf_obj->buf_token = curr_bd->buf_token;
+
+		dma_unmap_single(&priv->ndev->dev, curr_bd->buff_ptr,
+				curr_bd->off_b_len & EMAC_RX_BD_BUF_SIZE,
+				DMA_FROM_DEVICE);
+
 		curr_pkt->pkt_token = curr_pkt->buf_list->buf_token;
 		curr_pkt->num_bufs = 1;
 		curr_pkt->pkt_length =
@@ -2385,7 +2392,7 @@ static int emac_dev_open(struct net_device *ndev)
 	struct emac_priv *priv = netdev_priv(ndev);
 
 	netif_carrier_off(ndev);
-	for (cnt = 0; cnt <= ETH_ALEN; cnt++)
+	for (cnt = 0; cnt < ETH_ALEN; cnt++)
 		ndev->dev_addr[cnt] = priv->mac_addr[cnt];
 
 	/* Configuration items */
@@ -2658,7 +2665,7 @@ static int __devinit davinci_emac_probe(struct platform_device *pdev)
 
 	pdata = pdev->dev.platform_data;
 	if (!pdata) {
-		printk(KERN_ERR "DaVinci EMAC: No platfrom data\n");
+		printk(KERN_ERR "DaVinci EMAC: No platform data\n");
 		return -ENODEV;
 	}
 
@@ -2820,31 +2827,37 @@ static int __devexit davinci_emac_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static
-int davinci_emac_suspend(struct platform_device *pdev, pm_message_t state)
+static int davinci_emac_suspend(struct device *dev)
 {
-	struct net_device *dev = platform_get_drvdata(pdev);
+	struct platform_device *pdev = to_platform_device(dev);
+	struct net_device *ndev = platform_get_drvdata(pdev);
 
-	if (netif_running(dev))
-		emac_dev_stop(dev);
+	if (netif_running(ndev))
+		emac_dev_stop(ndev);
 
 	clk_disable(emac_clk);
 
 	return 0;
 }
 
-static int davinci_emac_resume(struct platform_device *pdev)
+static int davinci_emac_resume(struct device *dev)
 {
-	struct net_device *dev = platform_get_drvdata(pdev);
+	struct platform_device *pdev = to_platform_device(dev);
+	struct net_device *ndev = platform_get_drvdata(pdev);
 
 	clk_enable(emac_clk);
 
-	if (netif_running(dev))
-		emac_dev_open(dev);
+	if (netif_running(ndev))
+		emac_dev_open(ndev);
 
 	return 0;
 }
 
+static const struct dev_pm_ops davinci_emac_pm_ops = {
+	.suspend	= davinci_emac_suspend,
+	.resume		= davinci_emac_resume,
+};
+
 /**
  * davinci_emac_driver: EMAC platform driver structure
  */
@@ -2852,11 +2865,10 @@ static struct platform_driver davinci_emac_driver = {
 	.driver = {
 		.name	 = "davinci_emac",
 		.owner	 = THIS_MODULE,
+		.pm	 = &davinci_emac_pm_ops,
 	},
 	.probe = davinci_emac_probe,
 	.remove = __devexit_p(davinci_emac_remove),
-	.suspend = davinci_emac_suspend,
-	.resume = davinci_emac_resume,
 };
 
 /**
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index a26ccab057d5..b997e578e58f 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -2858,7 +2858,7 @@ static int __devinit e100_probe(struct pci_dev *pdev,
 	}
 	nic->cbs_pool = pci_pool_create(netdev->name,
 			   nic->pdev,
-			   nic->params.cbs.count * sizeof(struct cb),
+			   nic->params.cbs.max * sizeof(struct cb),
 			   sizeof(u32),
 			   0);
 	DPRINTK(PROBE, INFO, "addr 0x%llx, irq %d, MAC addr %pM\n",
diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h
index 9902b33b7160..2f29c2131851 100644
--- a/drivers/net/e1000/e1000.h
+++ b/drivers/net/e1000/e1000.h
@@ -261,7 +261,6 @@ struct e1000_adapter {
 	/* TX */
 	struct e1000_tx_ring *tx_ring;      /* One per active queue */
 	unsigned int restart_queue;
-	unsigned long tx_queue_len;
 	u32 txd_cmd;
 	u32 tx_int_delay;
 	u32 tx_abs_int_delay;
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 8be6faee43e6..b15ece26ed84 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -383,8 +383,6 @@ static void e1000_configure(struct e1000_adapter *adapter)
 		adapter->alloc_rx_buf(adapter, ring,
 		                      E1000_DESC_UNUSED(ring));
 	}
-
-	adapter->tx_queue_len = netdev->tx_queue_len;
 }
 
 int e1000_up(struct e1000_adapter *adapter)
@@ -503,7 +501,6 @@ void e1000_down(struct e1000_adapter *adapter)
 	del_timer_sync(&adapter->watchdog_timer);
 	del_timer_sync(&adapter->phy_info_timer);
 
-	netdev->tx_queue_len = adapter->tx_queue_len;
 	adapter->link_speed = 0;
 	adapter->link_duplex = 0;
 	netif_carrier_off(netdev);
@@ -2316,19 +2313,15 @@ static void e1000_watchdog(unsigned long data)
 			        E1000_CTRL_RFCE) ? "RX" : ((ctrl &
 			        E1000_CTRL_TFCE) ? "TX" : "None" )));
 
-			/* tweak tx_queue_len according to speed/duplex
-			 * and adjust the timeout factor */
-			netdev->tx_queue_len = adapter->tx_queue_len;
+			/* adjust timeout factor according to speed/duplex */
 			adapter->tx_timeout_factor = 1;
 			switch (adapter->link_speed) {
 			case SPEED_10:
 				txb2b = false;
-				netdev->tx_queue_len = 10;
 				adapter->tx_timeout_factor = 16;
 				break;
 			case SPEED_100:
 				txb2b = false;
-				netdev->tx_queue_len = 100;
 				/* maybe add some timeout factor ? */
 				break;
 			}
diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c
index 3c95acb3a87d..712ccc66ba25 100644
--- a/drivers/net/e1000e/82571.c
+++ b/drivers/net/e1000e/82571.c
@@ -1346,7 +1346,7 @@ static s32 e1000_setup_fiber_serdes_link_82571(struct e1000_hw *hw)
  *
  *  1) down
  *  2) autoneg_progress
- *  3) autoneg_complete (the link sucessfully autonegotiated)
+ *  3) autoneg_complete (the link successfully autonegotiated)
  *  4) forced_up (the link has been forced up, it did not autonegotiate)
  *
  **/
diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h
index db05ec355749..e301e26d6897 100644
--- a/drivers/net/e1000e/defines.h
+++ b/drivers/net/e1000e/defines.h
@@ -320,6 +320,8 @@
 #define E1000_RXCSUM_IPPCSE    0x00001000   /* IP payload checksum enable */
 
 /* Header split receive */
+#define E1000_RFCTL_NFSW_DIS            0x00000040
+#define E1000_RFCTL_NFSR_DIS            0x00000080
 #define E1000_RFCTL_ACK_DIS             0x00001000
 #define E1000_RFCTL_EXTEN               0x00008000
 #define E1000_RFCTL_IPV6_EX_DIS         0x00010000
diff --git a/drivers/net/e1000e/e1000.h b/drivers/net/e1000e/e1000.h
index c2ec095d2163..118bdf483593 100644
--- a/drivers/net/e1000e/e1000.h
+++ b/drivers/net/e1000e/e1000.h
@@ -279,7 +279,6 @@ struct e1000_adapter {
 
 	struct napi_struct napi;
 
-	unsigned long tx_queue_len;
 	unsigned int restart_queue;
 	u32 txd_cmd;
 
diff --git a/drivers/net/e1000e/ich8lan.c b/drivers/net/e1000e/ich8lan.c
index 54d03a0ce3ce..8b5e157e9c87 100644
--- a/drivers/net/e1000e/ich8lan.c
+++ b/drivers/net/e1000e/ich8lan.c
@@ -2740,6 +2740,16 @@ static void e1000_initialize_hw_bits_ich8lan(struct e1000_hw *hw)
 		reg &= ~(1 << 31);
 		ew32(STATUS, reg);
 	}
+
+	/*
+	 * work-around descriptor data corruption issue during nfs v2 udp
+	 * traffic, just disable the nfs filtering capability
+	 */
+	reg = er32(RFCTL);
+	reg |= (E1000_RFCTL_NFSW_DIS | E1000_RFCTL_NFSR_DIS);
+	ew32(RFCTL, reg);
+
+	return;
 }
 
 /**
diff --git a/drivers/net/e1000e/lib.c b/drivers/net/e1000e/lib.c
index 2425ed11d5cc..a8b2c0de27c4 100644
--- a/drivers/net/e1000e/lib.c
+++ b/drivers/net/e1000e/lib.c
@@ -647,7 +647,7 @@ s32 e1000e_check_for_serdes_link(struct e1000_hw *hw)
 				if (!(rxcw & E1000_RXCW_IV)) {
 					mac->serdes_has_link = true;
 					e_dbg("SERDES: Link up - autoneg "
-					   "completed sucessfully.\n");
+					   "completed successfully.\n");
 				} else {
 					mac->serdes_has_link = false;
 					e_dbg("SERDES: Link down - invalid"
diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 88d54d3efcef..e1cceb606576 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -2289,8 +2289,6 @@ static void e1000_configure_tx(struct e1000_adapter *adapter)
 	ew32(TCTL, tctl);
 
 	e1000e_config_collision_dist(hw);
-
-	adapter->tx_queue_len = adapter->netdev->tx_queue_len;
 }
 
 /**
@@ -2877,7 +2875,6 @@ void e1000e_down(struct e1000_adapter *adapter)
 	del_timer_sync(&adapter->watchdog_timer);
 	del_timer_sync(&adapter->phy_info_timer);
 
-	netdev->tx_queue_len = adapter->tx_queue_len;
 	netif_carrier_off(netdev);
 	adapter->link_speed = 0;
 	adapter->link_duplex = 0;
@@ -3588,21 +3585,15 @@ static void e1000_watchdog_task(struct work_struct *work)
 					       "link gets many collisions.\n");
 			}
 
-			/*
-			 * tweak tx_queue_len according to speed/duplex
-			 * and adjust the timeout factor
-			 */
-			netdev->tx_queue_len = adapter->tx_queue_len;
+			/* adjust timeout factor according to speed/duplex */
 			adapter->tx_timeout_factor = 1;
 			switch (adapter->link_speed) {
 			case SPEED_10:
 				txb2b = 0;
-				netdev->tx_queue_len = 10;
 				adapter->tx_timeout_factor = 16;
 				break;
 			case SPEED_100:
 				txb2b = 0;
-				netdev->tx_queue_len = 100;
 				adapter->tx_timeout_factor = 10;
 				break;
 			}
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 6aa526ee9096..669de028d44f 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -998,7 +998,7 @@ static int gfar_probe(struct of_device *ofdev,
 	}
 
 	/* Need to reverse the bit maps as  bit_map's MSB is q0
-	 * but, for_each_bit parses from right to left, which
+	 * but, for_each_set_bit parses from right to left, which
 	 * basically reverses the queue numbers */
 	for (i = 0; i< priv->num_grps; i++) {
 		priv->gfargrp[i].tx_bit_map = reverse_bitmap(
@@ -1011,7 +1011,7 @@ static int gfar_probe(struct of_device *ofdev,
 	 * also assign queues to groups */
 	for (grp_idx = 0; grp_idx < priv->num_grps; grp_idx++) {
 		priv->gfargrp[grp_idx].num_rx_queues = 0x0;
-		for_each_bit(i, &priv->gfargrp[grp_idx].rx_bit_map,
+		for_each_set_bit(i, &priv->gfargrp[grp_idx].rx_bit_map,
 				priv->num_rx_queues) {
 			priv->gfargrp[grp_idx].num_rx_queues++;
 			priv->rx_queue[i]->grp = &priv->gfargrp[grp_idx];
@@ -1019,7 +1019,7 @@ static int gfar_probe(struct of_device *ofdev,
 			rqueue = rqueue | ((RQUEUE_EN0 | RQUEUE_EX0) >> i);
 		}
 		priv->gfargrp[grp_idx].num_tx_queues = 0x0;
-		for_each_bit (i, &priv->gfargrp[grp_idx].tx_bit_map,
+		for_each_set_bit(i, &priv->gfargrp[grp_idx].tx_bit_map,
 				priv->num_tx_queues) {
 			priv->gfargrp[grp_idx].num_tx_queues++;
 			priv->tx_queue[i]->grp = &priv->gfargrp[grp_idx];
@@ -1709,7 +1709,7 @@ void gfar_configure_coalescing(struct gfar_private *priv,
 
 	if (priv->mode == MQ_MG_MODE) {
 		baddr = &regs->txic0;
-		for_each_bit (i, &tx_mask, priv->num_tx_queues) {
+		for_each_set_bit(i, &tx_mask, priv->num_tx_queues) {
 			if (likely(priv->tx_queue[i]->txcoalescing)) {
 				gfar_write(baddr + i, 0);
 				gfar_write(baddr + i, priv->tx_queue[i]->txic);
@@ -1717,7 +1717,7 @@ void gfar_configure_coalescing(struct gfar_private *priv,
 		}
 
 		baddr = &regs->rxic0;
-		for_each_bit (i, &rx_mask, priv->num_rx_queues) {
+		for_each_set_bit(i, &rx_mask, priv->num_rx_queues) {
 			if (likely(priv->rx_queue[i]->rxcoalescing)) {
 				gfar_write(baddr + i, 0);
 				gfar_write(baddr + i, priv->rx_queue[i]->rxic);
@@ -2021,7 +2021,6 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	}
 
 	/* setup the TxBD length and buffer pointer for the first BD */
-	tx_queue->tx_skbuff[tx_queue->skb_curtx] = skb;
 	txbdp_start->bufPtr = dma_map_single(&priv->ofdev->dev, skb->data,
 			skb_headlen(skb), DMA_TO_DEVICE);
 
@@ -2053,6 +2052,10 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	txbdp_start->lstatus = lstatus;
 
+	eieio(); /* force lstatus write before tx_skbuff */
+
+	tx_queue->tx_skbuff[tx_queue->skb_curtx] = skb;
+
 	/* Update the current skb pointer to the next entry we will use
 	 * (wrapping if necessary) */
 	tx_queue->skb_curtx = (tx_queue->skb_curtx + 1) &
@@ -2390,6 +2393,7 @@ struct sk_buff * gfar_new_skb(struct net_device *dev)
 	 * as many bytes as needed to align the data properly
 	 */
 	skb_reserve(skb, alignamount);
+	GFAR_CB(skb)->alignamount = alignamount;
 
 	return skb;
 }
@@ -2530,13 +2534,13 @@ int gfar_clean_rx_ring(struct gfar_priv_rx_q *rx_queue, int rx_work_limit)
 				newskb = skb;
 			else if (skb) {
 				/*
-				 * We need to reset ->data to what it
+				 * We need to un-reserve() the skb to what it
 				 * was before gfar_new_skb() re-aligned
 				 * it to an RXBUF_ALIGNMENT boundary
 				 * before we put the skb back on the
 				 * recycle list.
 				 */
-				skb->data = skb->head + NET_SKB_PAD;
+				skb_reserve(skb, -GFAR_CB(skb)->alignamount);
 				__skb_queue_head(&priv->rx_recycle, skb);
 			}
 		} else {
@@ -2607,7 +2611,7 @@ static int gfar_poll(struct napi_struct *napi, int budget)
 		budget_per_queue = left_over_budget/num_queues;
 		left_over_budget = 0;
 
-		for_each_bit(i, &gfargrp->rx_bit_map, priv->num_rx_queues) {
+		for_each_set_bit(i, &gfargrp->rx_bit_map, priv->num_rx_queues) {
 			if (test_bit(i, &serviced_queues))
 				continue;
 			rx_queue = priv->rx_queue[i];
diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h
index 3d72dc43dca5..17d25e714236 100644
--- a/drivers/net/gianfar.h
+++ b/drivers/net/gianfar.h
@@ -566,6 +566,12 @@ struct rxfcb {
 	u16	vlctl;	/* VLAN control word */
 };
 
+struct gianfar_skb_cb {
+	int alignamount;
+};
+
+#define GFAR_CB(skb) ((struct gianfar_skb_cb *)((skb)->cb))
+
 struct rmon_mib
 {
 	u32	tr64;	/* 0x.680 - Transmit and Receive 64-byte Frame Counter */
diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c
index f2b937966950..0bc777bac9b4 100644
--- a/drivers/net/ibmveth.c
+++ b/drivers/net/ibmveth.c
@@ -1577,7 +1577,7 @@ static struct attribute * veth_pool_attrs[] = {
 	NULL,
 };
 
-static struct sysfs_ops veth_pool_ops = {
+static const struct sysfs_ops veth_pool_ops = {
 	.show   = veth_pool_show,
 	.store  = veth_pool_store,
 };
diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c
index 9d7fa2fb85ea..0bc990ec4a8e 100644
--- a/drivers/net/igb/e1000_82575.c
+++ b/drivers/net/igb/e1000_82575.c
@@ -94,6 +94,7 @@ static s32 igb_get_invariants_82575(struct e1000_hw *hw)
 	case E1000_DEV_ID_82576_FIBER:
 	case E1000_DEV_ID_82576_SERDES:
 	case E1000_DEV_ID_82576_QUAD_COPPER:
+	case E1000_DEV_ID_82576_QUAD_COPPER_ET2:
 	case E1000_DEV_ID_82576_SERDES_QUAD:
 		mac->type = e1000_82576;
 		break;
diff --git a/drivers/net/igb/e1000_hw.h b/drivers/net/igb/e1000_hw.h
index 448005276b26..82a533f5192a 100644
--- a/drivers/net/igb/e1000_hw.h
+++ b/drivers/net/igb/e1000_hw.h
@@ -41,6 +41,7 @@ struct e1000_hw;
 #define E1000_DEV_ID_82576_FIBER              0x10E6
 #define E1000_DEV_ID_82576_SERDES             0x10E7
 #define E1000_DEV_ID_82576_QUAD_COPPER        0x10E8
+#define E1000_DEV_ID_82576_QUAD_COPPER_ET2    0x1526
 #define E1000_DEV_ID_82576_NS                 0x150A
 #define E1000_DEV_ID_82576_NS_SERDES          0x1518
 #define E1000_DEV_ID_82576_SERDES_QUAD        0x150D
diff --git a/drivers/net/igb/e1000_mac.c b/drivers/net/igb/e1000_mac.c
index 2a8a886b37eb..be8d010e4021 100644
--- a/drivers/net/igb/e1000_mac.c
+++ b/drivers/net/igb/e1000_mac.c
@@ -1367,7 +1367,8 @@ out:
  *  igb_enable_mng_pass_thru - Enable processing of ARP's
  *  @hw: pointer to the HW structure
  *
- *  Verifies the hardware needs to allow ARPs to be processed by the host.
+ *  Verifies the hardware needs to leave interface enabled so that frames can
+ *  be directed to and from the management interface.
  **/
 bool igb_enable_mng_pass_thru(struct e1000_hw *hw)
 {
@@ -1380,8 +1381,7 @@ bool igb_enable_mng_pass_thru(struct e1000_hw *hw)
 
 	manc = rd32(E1000_MANC);
 
-	if (!(manc & E1000_MANC_RCV_TCO_EN) ||
-	    !(manc & E1000_MANC_EN_MAC_ADDR_FILTER))
+	if (!(manc & E1000_MANC_RCV_TCO_EN))
 		goto out;
 
 	if (hw->mac.arc_subsystem_valid) {
diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h
index a1775705b24c..3b772b822a5d 100644
--- a/drivers/net/igb/igb.h
+++ b/drivers/net/igb/igb.h
@@ -267,7 +267,6 @@ struct igb_adapter {
 
 	/* TX */
 	struct igb_ring *tx_ring[16];
-	unsigned long tx_queue_len;
 	u32 tx_timeout_count;
 
 	/* RX */
diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 583a21c1def3..01c65c7447e1 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -72,6 +72,7 @@ static DEFINE_PCI_DEVICE_TABLE(igb_pci_tbl) = {
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_FIBER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_SERDES_QUAD), board_82575 },
+	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER_ET2), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82576_QUAD_COPPER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_COPPER), board_82575 },
 	{ PCI_VDEVICE(INTEL, E1000_DEV_ID_82575EB_FIBER_SERDES), board_82575 },
@@ -688,7 +689,7 @@ static void igb_set_interrupt_capability(struct igb_adapter *adapter)
 	/* start with one vector for every rx queue */
 	numvecs = adapter->num_rx_queues;
 
-	/* if tx handler is seperate add 1 for every tx queue */
+	/* if tx handler is separate add 1 for every tx queue */
 	if (!(adapter->flags & IGB_FLAG_QUEUE_PAIRS))
 		numvecs += adapter->num_tx_queues;
 
@@ -1104,9 +1105,6 @@ static void igb_configure(struct igb_adapter *adapter)
 		struct igb_ring *ring = adapter->rx_ring[i];
 		igb_alloc_rx_buffers_adv(ring, igb_desc_unused(ring));
 	}
-
-
-	adapter->tx_queue_len = netdev->tx_queue_len;
 }
 
 /**
@@ -1212,7 +1210,6 @@ void igb_down(struct igb_adapter *adapter)
 	del_timer_sync(&adapter->watchdog_timer);
 	del_timer_sync(&adapter->phy_info_timer);
 
-	netdev->tx_queue_len = adapter->tx_queue_len;
 	netif_carrier_off(netdev);
 
 	/* record the stats before reset*/
@@ -3105,17 +3102,13 @@ static void igb_watchdog_task(struct work_struct *work)
 			       ((ctrl & E1000_CTRL_RFCE) ?  "RX" :
 			       ((ctrl & E1000_CTRL_TFCE) ?  "TX" : "None")));
 
-			/* tweak tx_queue_len according to speed/duplex and
-			 * adjust the timeout factor */
-			netdev->tx_queue_len = adapter->tx_queue_len;
+			/* adjust timeout factor according to speed/duplex */
 			adapter->tx_timeout_factor = 1;
 			switch (adapter->link_speed) {
 			case SPEED_10:
-				netdev->tx_queue_len = 10;
 				adapter->tx_timeout_factor = 14;
 				break;
 			case SPEED_100:
-				netdev->tx_queue_len = 100;
 				/* maybe add some timeout factor ? */
 				break;
 			}
@@ -3962,7 +3955,7 @@ void igb_update_stats(struct igb_adapter *adapter)
 	struct net_device_stats *net_stats = igb_get_stats(adapter->netdev);
 	struct e1000_hw *hw = &adapter->hw;
 	struct pci_dev *pdev = adapter->pdev;
-	u32 rnbc, reg;
+	u32 reg, mpc;
 	u16 phy_tmp;
 	int i;
 	u64 bytes, packets;
@@ -4020,7 +4013,9 @@ void igb_update_stats(struct igb_adapter *adapter)
 	adapter->stats.symerrs += rd32(E1000_SYMERRS);
 	adapter->stats.sec += rd32(E1000_SEC);
 
-	adapter->stats.mpc += rd32(E1000_MPC);
+	mpc = rd32(E1000_MPC);
+	adapter->stats.mpc += mpc;
+	net_stats->rx_fifo_errors += mpc;
 	adapter->stats.scc += rd32(E1000_SCC);
 	adapter->stats.ecol += rd32(E1000_ECOL);
 	adapter->stats.mcc += rd32(E1000_MCC);
@@ -4035,9 +4030,7 @@ void igb_update_stats(struct igb_adapter *adapter)
 	adapter->stats.gptc += rd32(E1000_GPTC);
 	adapter->stats.gotc += rd32(E1000_GOTCL);
 	rd32(E1000_GOTCH); /* clear GOTCL */
-	rnbc = rd32(E1000_RNBC);
-	adapter->stats.rnbc += rnbc;
-	net_stats->rx_fifo_errors += rnbc;
+	adapter->stats.rnbc += rd32(E1000_RNBC);
 	adapter->stats.ruc += rd32(E1000_RUC);
 	adapter->stats.rfc += rd32(E1000_RFC);
 	adapter->stats.rjc += rd32(E1000_RJC);
@@ -5109,7 +5102,7 @@ static void igb_receive_skb(struct igb_q_vector *q_vector,
 {
 	struct igb_adapter *adapter = q_vector->adapter;
 
-	if (vlan_tag)
+	if (vlan_tag && adapter->vlgrp)
 		vlan_gro_receive(&q_vector->napi, adapter->vlgrp,
 		                 vlan_tag, skb);
 	else
diff --git a/drivers/net/igbvf/igbvf.h b/drivers/net/igbvf/igbvf.h
index a1774b29d222..debeee2dc717 100644
--- a/drivers/net/igbvf/igbvf.h
+++ b/drivers/net/igbvf/igbvf.h
@@ -198,7 +198,6 @@ struct igbvf_adapter {
 	struct igbvf_ring *tx_ring /* One per active queue */
 	____cacheline_aligned_in_smp;
 
-	unsigned long tx_queue_len;
 	unsigned int restart_queue;
 	u32 txd_cmd;
 
diff --git a/drivers/net/igbvf/netdev.c b/drivers/net/igbvf/netdev.c
index a77afd8a14bb..b41037ed8083 100644
--- a/drivers/net/igbvf/netdev.c
+++ b/drivers/net/igbvf/netdev.c
@@ -1304,8 +1304,6 @@ static void igbvf_configure_tx(struct igbvf_adapter *adapter)
 
 	/* enable Report Status bit */
 	adapter->txd_cmd |= E1000_ADVTXD_DCMD_RS;
-
-	adapter->tx_queue_len = adapter->netdev->tx_queue_len;
 }
 
 /**
@@ -1524,7 +1522,6 @@ void igbvf_down(struct igbvf_adapter *adapter)
 
 	del_timer_sync(&adapter->watchdog_timer);
 
-	netdev->tx_queue_len = adapter->tx_queue_len;
 	netif_carrier_off(netdev);
 
 	/* record the stats before reset*/
@@ -1857,21 +1854,15 @@ static void igbvf_watchdog_task(struct work_struct *work)
 			                          &adapter->link_duplex);
 			igbvf_print_link_info(adapter);
 
-			/*
-			 * tweak tx_queue_len according to speed/duplex
-			 * and adjust the timeout factor
-			 */
-			netdev->tx_queue_len = adapter->tx_queue_len;
+			/* adjust timeout factor according to speed/duplex */
 			adapter->tx_timeout_factor = 1;
 			switch (adapter->link_speed) {
 			case SPEED_10:
 				txb2b = 0;
-				netdev->tx_queue_len = 10;
 				adapter->tx_timeout_factor = 16;
 				break;
 			case SPEED_100:
 				txb2b = 0;
-				netdev->tx_queue_len = 100;
 				/* maybe add some timeout factor ? */
 				break;
 			}
diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index e8e33bb9d876..2c9b3af16612 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -1651,6 +1651,8 @@ static int irda_usb_probe(struct usb_interface *intf,
 
 	self->rx_urb = kcalloc(self->max_rx_urb, sizeof(struct urb *),
 				GFP_KERNEL);
+	if (!self->rx_urb)
+		goto err_free_net;
 
 	for (i = 0; i < self->max_rx_urb; i++) {
 		self->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
@@ -1783,6 +1785,8 @@ err_out_2:
 err_out_1:
 	for (i = 0; i < self->max_rx_urb; i++)
 		usb_free_urb(self->rx_urb[i]);
+	kfree(self->rx_urb);
+err_free_net:
 	free_netdev(net);
 err_out:
 	return ret;
diff --git a/drivers/net/irda/sa1100_ir.c b/drivers/net/irda/sa1100_ir.c
index c412e8026173..1dcdce0631aa 100644
--- a/drivers/net/irda/sa1100_ir.c
+++ b/drivers/net/irda/sa1100_ir.c
@@ -331,7 +331,7 @@ static int sa1100_irda_resume(struct platform_device *pdev)
 		 * If we missed a speed change, initialise at the new speed
 		 * directly.  It is debatable whether this is actually
 		 * required, but in the interests of continuing from where
-		 * we left off it is desireable.  The converse argument is
+		 * we left off it is desirable.  The converse argument is
 		 * that we should re-negotiate at 9600 baud again.
 		 */
 		if (si->newspeed) {
diff --git a/drivers/net/irda/w83977af_ir.c b/drivers/net/irda/w83977af_ir.c
index 551810fd2976..980625feb2c0 100644
--- a/drivers/net/irda/w83977af_ir.c
+++ b/drivers/net/irda/w83977af_ir.c
@@ -65,7 +65,6 @@
 #undef  CONFIG_NETWINDER_TX_DMA_PROBLEMS /* Not needed */
 #define CONFIG_NETWINDER_RX_DMA_PROBLEMS /* Must have this one! */
 #endif
-#undef  CONFIG_USE_INTERNAL_TIMER  /* Just cannot make that timer work */
 #define CONFIG_USE_W977_PNP        /* Currently needed */
 #define PIO_MAX_SPEED       115200 
 
@@ -533,25 +532,6 @@ static netdev_tx_t w83977af_hard_xmit(struct sk_buff *skb,
 		self->tx_buff.len = skb->len;
 		
 		mtt = irda_get_mtt(skb);
-#ifdef CONFIG_USE_INTERNAL_TIMER
-	        if (mtt > 50) {
-			/* Adjust for timer resolution */
-			mtt /= 1000+1;
-
-			/* Setup timer */
-			switch_bank(iobase, SET4);
-			outb(mtt & 0xff, iobase+TMRL);
-			outb((mtt >> 8) & 0x0f, iobase+TMRH);
-			
-			/* Start timer */
-			outb(IR_MSL_EN_TMR, iobase+IR_MSL);
-			self->io.direction = IO_XMIT;
-			
-			/* Enable timer interrupt */
-			switch_bank(iobase, SET0);
-			outb(ICR_ETMRI, iobase+ICR);
-		} else {
-#endif
 			IRDA_DEBUG(4, "%s(%ld), mtt=%d\n", __func__ , jiffies, mtt);
 			if (mtt)
 				udelay(mtt);
@@ -560,9 +540,6 @@ static netdev_tx_t w83977af_hard_xmit(struct sk_buff *skb,
 			switch_bank(iobase, SET0);
 	 		outb(ICR_EDMAI, iobase+ICR);
 	     		w83977af_dma_write(self, iobase);
-#ifdef CONFIG_USE_INTERNAL_TIMER
-		}
-#endif
 	} else {
 		self->tx_buff.data = self->tx_buff.head;
 		self->tx_buff.len = async_wrap_skb(skb, self->tx_buff.data, 
@@ -876,20 +853,7 @@ static int w83977af_dma_receive_complete(struct w83977af_ir *self)
 			/* Check if we have transferred all data to memory */
 			switch_bank(iobase, SET0);
 			if (inb(iobase+USR) & USR_RDR) {
-#ifdef CONFIG_USE_INTERNAL_TIMER
-				/* Put this entry back in fifo */
-				st_fifo->head--;
-				st_fifo->len++;
-				st_fifo->entries[st_fifo->head].status = status;
-				st_fifo->entries[st_fifo->head].len = len;
-				
-				/* Restore set register */
-				outb(set, iobase+SSR);
-			
-				return FALSE; 	/* I'll be back! */
-#else
 				udelay(80); /* Should be enough!? */
-#endif
 			}
 						
 			skb = dev_alloc_skb(len+1);
diff --git a/drivers/net/iseries_veth.c b/drivers/net/iseries_veth.c
index 966de5d69521..e6e972d9b7ca 100644
--- a/drivers/net/iseries_veth.c
+++ b/drivers/net/iseries_veth.c
@@ -384,7 +384,7 @@ static struct attribute *veth_cnx_default_attrs[] = {
 	NULL
 };
 
-static struct sysfs_ops veth_cnx_sysfs_ops = {
+static const struct sysfs_ops veth_cnx_sysfs_ops = {
 		.show = veth_cnx_attribute_show
 };
 
@@ -441,7 +441,7 @@ static struct attribute *veth_port_default_attrs[] = {
 	NULL
 };
 
-static struct sysfs_ops veth_port_sysfs_ops = {
+static const struct sysfs_ops veth_port_sysfs_ops = {
 	.show = veth_port_attribute_show
 };
 
diff --git a/drivers/net/ixgbe/ixgbe.h b/drivers/net/ixgbe/ixgbe.h
index 19e94ee155a2..79c35ae3718c 100644
--- a/drivers/net/ixgbe/ixgbe.h
+++ b/drivers/net/ixgbe/ixgbe.h
@@ -204,14 +204,17 @@ enum ixgbe_ring_f_enum {
 #define IXGBE_MAX_FDIR_INDICES 64
 #ifdef IXGBE_FCOE
 #define IXGBE_MAX_FCOE_INDICES  8
+#define MAX_RX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES)
+#define MAX_TX_QUEUES (IXGBE_MAX_FDIR_INDICES + IXGBE_MAX_FCOE_INDICES)
+#else
+#define MAX_RX_QUEUES IXGBE_MAX_FDIR_INDICES
+#define MAX_TX_QUEUES IXGBE_MAX_FDIR_INDICES
 #endif /* IXGBE_FCOE */
 struct ixgbe_ring_feature {
 	int indices;
 	int mask;
 } ____cacheline_internodealigned_in_smp;
 
-#define MAX_RX_QUEUES 128
-#define MAX_TX_QUEUES 128
 
 #define MAX_RX_PACKET_BUFFERS ((adapter->flags & IXGBE_FLAG_DCB_ENABLED) \
                               ? 8 : 1)
diff --git a/drivers/net/ixgbe/ixgbe_82599.c b/drivers/net/ixgbe/ixgbe_82599.c
index 1f30e163bd9c..b405a00817c6 100644
--- a/drivers/net/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ixgbe/ixgbe_82599.c
@@ -39,6 +39,7 @@
 #define IXGBE_82599_MC_TBL_SIZE   128
 #define IXGBE_82599_VFT_TBL_SIZE  128
 
+void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw);
 s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
                                           ixgbe_link_speed speed,
                                           bool autoneg,
@@ -68,7 +69,9 @@ static void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw)
 	if (hw->phy.multispeed_fiber) {
 		/* Set up dual speed SFP+ support */
 		mac->ops.setup_link = &ixgbe_setup_mac_link_multispeed_fiber;
+		mac->ops.flap_tx_laser = &ixgbe_flap_tx_laser_multispeed_fiber;
 	} else {
+		mac->ops.flap_tx_laser = NULL;
 		if ((mac->ops.get_media_type(hw) ==
 		     ixgbe_media_type_backplane) &&
 		    (hw->phy.smart_speed == ixgbe_smart_speed_auto ||
@@ -413,6 +416,41 @@ s32 ixgbe_start_mac_link_82599(struct ixgbe_hw *hw,
 }
 
 /**
+ *  ixgbe_flap_tx_laser_multispeed_fiber - Flap Tx laser
+ *  @hw: pointer to hardware structure
+ *
+ *  When the driver changes the link speeds that it can support,
+ *  it sets autotry_restart to true to indicate that we need to
+ *  initiate a new autotry session with the link partner.  To do
+ *  so, we set the speed then disable and re-enable the tx laser, to
+ *  alert the link partner that it also needs to restart autotry on its
+ *  end.  This is consistent with true clause 37 autoneg, which also
+ *  involves a loss of signal.
+ **/
+void ixgbe_flap_tx_laser_multispeed_fiber(struct ixgbe_hw *hw)
+{
+	u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
+
+	hw_dbg(hw, "ixgbe_flap_tx_laser_multispeed_fiber\n");
+
+	if (hw->mac.autotry_restart) {
+		/* Disable tx laser; allow 100us to go dark per spec */
+		esdp_reg |= IXGBE_ESDP_SDP3;
+		IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
+		IXGBE_WRITE_FLUSH(hw);
+		udelay(100);
+
+		/* Enable tx laser; allow 100ms to light up */
+		esdp_reg &= ~IXGBE_ESDP_SDP3;
+		IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
+		IXGBE_WRITE_FLUSH(hw);
+		msleep(100);
+
+		hw->mac.autotry_restart = false;
+	}
+}
+
+/**
  *  ixgbe_setup_mac_link_multispeed_fiber - Set MAC link speed
  *  @hw: pointer to hardware structure
  *  @speed: new link speed
@@ -440,16 +478,6 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
 	speed &= phy_link_speed;
 
 	/*
-	 * When the driver changes the link speeds that it can support,
-	 * it sets autotry_restart to true to indicate that we need to
-	 * initiate a new autotry session with the link partner.  To do
-	 * so, we set the speed then disable and re-enable the tx laser, to
-	 * alert the link partner that it also needs to restart autotry on its
-	 * end.  This is consistent with true clause 37 autoneg, which also
-	 * involves a loss of signal.
-	 */
-
-	/*
 	 * Try each speed one by one, highest priority first.  We do this in
 	 * software because 10gb fiber doesn't support speed autonegotiation.
 	 */
@@ -466,6 +494,7 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
 		/* Set the module link speed */
 		esdp_reg |= (IXGBE_ESDP_SDP5_DIR | IXGBE_ESDP_SDP5);
 		IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
+		IXGBE_WRITE_FLUSH(hw);
 
 		/* Allow module to change analog characteristics (1G->10G) */
 		msleep(40);
@@ -478,19 +507,7 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
 			return status;
 
 		/* Flap the tx laser if it has not already been done */
-		if (hw->mac.autotry_restart) {
-			/* Disable tx laser; allow 100us to go dark per spec */
-			esdp_reg |= IXGBE_ESDP_SDP3;
-			IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
-			udelay(100);
-
-			/* Enable tx laser; allow 2ms to light up per spec */
-			esdp_reg &= ~IXGBE_ESDP_SDP3;
-			IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
-			msleep(2);
-
-			hw->mac.autotry_restart = false;
-		}
+		hw->mac.ops.flap_tx_laser(hw);
 
 		/*
 		 * Wait for the controller to acquire link.  Per IEEE 802.3ap,
@@ -525,6 +542,7 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
 		esdp_reg &= ~IXGBE_ESDP_SDP5;
 		esdp_reg |= IXGBE_ESDP_SDP5_DIR;
 		IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
+		IXGBE_WRITE_FLUSH(hw);
 
 		/* Allow module to change analog characteristics (10G->1G) */
 		msleep(40);
@@ -537,19 +555,7 @@ s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw,
 			return status;
 
 		/* Flap the tx laser if it has not already been done */
-		if (hw->mac.autotry_restart) {
-			/* Disable tx laser; allow 100us to go dark per spec */
-			esdp_reg |= IXGBE_ESDP_SDP3;
-			IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
-			udelay(100);
-
-			/* Enable tx laser; allow 2ms to light up per spec */
-			esdp_reg &= ~IXGBE_ESDP_SDP3;
-			IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
-			msleep(2);
-
-			hw->mac.autotry_restart = false;
-		}
+		hw->mac.ops.flap_tx_laser(hw);
 
 		/* Wait for the link partner to also set speed */
 		msleep(100);
diff --git a/drivers/net/ixgbe/ixgbe_ethtool.c b/drivers/net/ixgbe/ixgbe_ethtool.c
index 7949a446e4c7..1959ef76c962 100644
--- a/drivers/net/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ixgbe/ixgbe_ethtool.c
@@ -1853,6 +1853,26 @@ static void ixgbe_diag_test(struct net_device *netdev,
 		if (ixgbe_link_test(adapter, &data[4]))
 			eth_test->flags |= ETH_TEST_FL_FAILED;
 
+		if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED) {
+			int i;
+			for (i = 0; i < adapter->num_vfs; i++) {
+				if (adapter->vfinfo[i].clear_to_send) {
+					netdev_warn(netdev, "%s",
+						    "offline diagnostic is not "
+						    "supported when VFs are "
+						    "present\n");
+					data[0] = 1;
+					data[1] = 1;
+					data[2] = 1;
+					data[3] = 1;
+					eth_test->flags |= ETH_TEST_FL_FAILED;
+					clear_bit(__IXGBE_TESTING,
+						  &adapter->state);
+					goto skip_ol_tests;
+				}
+			}
+		}
+
 		if (if_running)
 			/* indicate we're in test mode */
 			dev_close(netdev);
@@ -1908,6 +1928,7 @@ skip_loopback:
 
 		clear_bit(__IXGBE_TESTING, &adapter->state);
 	}
+skip_ol_tests:
 	msleep_interruptible(4 * 1000);
 }
 
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c
index 4123dec0dfb7..9276d5965b0d 100644
--- a/drivers/net/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ixgbe/ixgbe_fcoe.c
@@ -202,6 +202,15 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
 		addr = sg_dma_address(sg);
 		len = sg_dma_len(sg);
 		while (len) {
+			/* max number of buffers allowed in one DDP context */
+			if (j >= IXGBE_BUFFCNT_MAX) {
+				netif_err(adapter, drv, adapter->netdev,
+					  "xid=%x:%d,%d,%d:addr=%llx "
+					  "not enough descriptors\n",
+					  xid, i, j, dmacount, (u64)addr);
+				goto out_noddp_free;
+			}
+
 			/* get the offset of length of current buffer */
 			thisoff = addr & ((dma_addr_t)bufflen - 1);
 			thislen = min((bufflen - thisoff), len);
@@ -227,20 +236,13 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid,
 			len -= thislen;
 			addr += thislen;
 			j++;
-			/* max number of buffers allowed in one DDP context */
-			if (j > IXGBE_BUFFCNT_MAX) {
-				DPRINTK(DRV, ERR, "xid=%x:%d,%d,%d:addr=%llx "
-					"not enough descriptors\n",
-					xid, i, j, dmacount, (u64)addr);
-				goto out_noddp_free;
-			}
 		}
 	}
 	/* only the last buffer may have non-full bufflen */
 	lastsize = thisoff + thislen;
 
 	fcbuff = (IXGBE_FCBUFF_4KB << IXGBE_FCBUFF_BUFFSIZE_SHIFT);
-	fcbuff |= (j << IXGBE_FCBUFF_BUFFCNT_SHIFT);
+	fcbuff |= ((j & 0xff) << IXGBE_FCBUFF_BUFFCNT_SHIFT);
 	fcbuff |= (firstoff << IXGBE_FCBUFF_OFFSET_SHIFT);
 	fcbuff |= (IXGBE_FCBUFF_VALID);
 
@@ -520,6 +522,9 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter)
 	/* Enable L2 eth type filter for FCoE */
 	IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FCOE),
 			(ETH_P_FCOE | IXGBE_ETQF_FCOE | IXGBE_ETQF_FILTER_EN));
+	/* Enable L2 eth type filter for FIP */
+	IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FIP),
+			(ETH_P_FIP | IXGBE_ETQF_FILTER_EN));
 	if (adapter->ring_feature[RING_F_FCOE].indices) {
 		/* Use multiple rx queues for FCoE by redirection table */
 		for (i = 0; i < IXGBE_FCRETA_SIZE; i++) {
@@ -530,6 +535,12 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter)
 		}
 		IXGBE_WRITE_REG(hw, IXGBE_FCRECTL, IXGBE_FCRECTL_ENA);
 		IXGBE_WRITE_REG(hw, IXGBE_ETQS(IXGBE_ETQF_FILTER_FCOE), 0);
+		fcoe_i = f->mask;
+		fcoe_i &= IXGBE_FCRETA_ENTRY_MASK;
+		fcoe_q = adapter->rx_ring[fcoe_i]->reg_idx;
+		IXGBE_WRITE_REG(hw, IXGBE_ETQS(IXGBE_ETQF_FILTER_FIP),
+				IXGBE_ETQS_QUEUE_EN |
+				(fcoe_q << IXGBE_ETQS_RX_QUEUE_SHIFT));
 	} else  {
 		/* Use single rx queue for FCoE */
 		fcoe_i = f->mask;
@@ -539,6 +550,12 @@ void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter)
 				IXGBE_ETQS_QUEUE_EN |
 				(fcoe_q << IXGBE_ETQS_RX_QUEUE_SHIFT));
 	}
+	/* send FIP frames to the first FCoE queue */
+	fcoe_i = f->mask;
+	fcoe_q = adapter->rx_ring[fcoe_i]->reg_idx;
+	IXGBE_WRITE_REG(hw, IXGBE_ETQS(IXGBE_ETQF_FILTER_FIP),
+			IXGBE_ETQS_QUEUE_EN |
+			(fcoe_q << IXGBE_ETQS_RX_QUEUE_SHIFT));
 
 	IXGBE_WRITE_REG(hw, IXGBE_FCRXCTRL,
 			IXGBE_FCRXCTRL_FCOELLI |
@@ -614,9 +631,9 @@ int ixgbe_fcoe_enable(struct net_device *netdev)
 	netdev->vlan_features |= NETIF_F_FSO;
 	netdev->vlan_features |= NETIF_F_FCOE_MTU;
 	netdev->fcoe_ddp_xid = IXGBE_FCOE_DDP_MAX - 1;
-	netdev_features_change(netdev);
 
 	ixgbe_init_interrupt_scheme(adapter);
+	netdev_features_change(netdev);
 
 	if (netif_running(netdev))
 		netdev->netdev_ops->ndo_open(netdev);
@@ -660,11 +677,11 @@ int ixgbe_fcoe_disable(struct net_device *netdev)
 	netdev->vlan_features &= ~NETIF_F_FSO;
 	netdev->vlan_features &= ~NETIF_F_FCOE_MTU;
 	netdev->fcoe_ddp_xid = 0;
-	netdev_features_change(netdev);
 
 	ixgbe_cleanup_fcoe(adapter);
-
 	ixgbe_init_interrupt_scheme(adapter);
+	netdev_features_change(netdev);
+
 	if (netif_running(netdev))
 		netdev->netdev_ops->ndo_open(netdev);
 	rc = 0;
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 45e3532b166f..0c553f6cb534 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -935,10 +935,12 @@ static bool ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector,
 			if (skb->prev)
 				skb = ixgbe_transform_rsc_queue(skb, &(rx_ring->rsc_count));
 			if (adapter->flags2 & IXGBE_FLAG2_RSC_ENABLED) {
-				if (IXGBE_RSC_CB(skb)->dma)
+				if (IXGBE_RSC_CB(skb)->dma) {
 					pci_unmap_single(pdev, IXGBE_RSC_CB(skb)->dma,
 					                 rx_ring->rx_buf_len,
 					                 PCI_DMA_FROMDEVICE);
+					IXGBE_RSC_CB(skb)->dma = 0;
+				}
 				if (rx_ring->flags & IXGBE_RING_RX_PS_ENABLED)
 					rx_ring->rsc_count += skb_shinfo(skb)->nr_frags;
 				else
@@ -1050,7 +1052,7 @@ static void ixgbe_configure_msix(struct ixgbe_adapter *adapter)
 	 */
 	for (v_idx = 0; v_idx < q_vectors; v_idx++) {
 		q_vector = adapter->q_vector[v_idx];
-		/* XXX for_each_bit(...) */
+		/* XXX for_each_set_bit(...) */
 		r_idx = find_first_bit(q_vector->rxr_idx,
 		                       adapter->num_rx_queues);
 
@@ -3054,6 +3056,14 @@ void ixgbe_reinit_locked(struct ixgbe_adapter *adapter)
 	while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 		msleep(1);
 	ixgbe_down(adapter);
+	/*
+	 * If SR-IOV enabled then wait a bit before bringing the adapter
+	 * back up to give the VFs time to respond to the reset.  The
+	 * two second wait is based upon the watchdog timer cycle in
+	 * the VF driver.
+	 */
+	if (adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)
+		msleep(2000);
 	ixgbe_up(adapter);
 	clear_bit(__IXGBE_RESETTING, &adapter->state);
 }
@@ -3126,10 +3136,12 @@ static void ixgbe_clean_rx_ring(struct ixgbe_adapter *adapter,
 			rx_buffer_info->skb = NULL;
 			do {
 				struct sk_buff *this = skb;
-				if (IXGBE_RSC_CB(this)->dma)
+				if (IXGBE_RSC_CB(this)->dma) {
 					pci_unmap_single(pdev, IXGBE_RSC_CB(this)->dma,
 					                 rx_ring->rx_buf_len,
 					                 PCI_DMA_FROMDEVICE);
+					IXGBE_RSC_CB(this)->dma = 0;
+				}
 				skb = skb->prev;
 				dev_kfree_skb(this);
 			} while (skb);
@@ -3232,13 +3244,15 @@ void ixgbe_down(struct ixgbe_adapter *adapter)
 
 	/* disable receive for all VFs and wait one second */
 	if (adapter->num_vfs) {
-		for (i = 0 ; i < adapter->num_vfs; i++)
-			adapter->vfinfo[i].clear_to_send = 0;
-
 		/* ping all the active vfs to let them know we are going down */
 		ixgbe_ping_all_vfs(adapter);
+
 		/* Disable all VFTE/VFRE TX/RX */
 		ixgbe_disable_tx_rx(adapter);
+
+		/* Mark all the VFs as inactive */
+		for (i = 0 ; i < adapter->num_vfs; i++)
+			adapter->vfinfo[i].clear_to_send = 0;
 	}
 
 	/* disable receives */
@@ -5018,6 +5032,7 @@ static void ixgbe_multispeed_fiber_task(struct work_struct *work)
 	autoneg = hw->phy.autoneg_advertised;
 	if ((!autoneg) && (hw->mac.ops.get_link_capabilities))
 		hw->mac.ops.get_link_capabilities(hw, &autoneg, &negotiation);
+	hw->mac.autotry_restart = false;
 	if (hw->mac.ops.setup_link)
 		hw->mac.ops.setup_link(hw, autoneg, negotiation, true);
 	adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
@@ -5633,7 +5648,8 @@ static u16 ixgbe_select_queue(struct net_device *dev, struct sk_buff *skb)
 
 #ifdef IXGBE_FCOE
 	if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) &&
-	    (skb->protocol == htons(ETH_P_FCOE))) {
+	    ((skb->protocol == htons(ETH_P_FCOE)) ||
+	     (skb->protocol == htons(ETH_P_FIP)))) {
 		txq &= (adapter->ring_feature[RING_F_FCOE].indices - 1);
 		txq += adapter->ring_feature[RING_F_FCOE].mask;
 		return txq;
@@ -5680,18 +5696,25 @@ static netdev_tx_t ixgbe_xmit_frame(struct sk_buff *skb,
 
 	tx_ring = adapter->tx_ring[skb->queue_mapping];
 
-	if ((adapter->flags & IXGBE_FLAG_FCOE_ENABLED) &&
-	    (skb->protocol == htons(ETH_P_FCOE))) {
-		tx_flags |= IXGBE_TX_FLAGS_FCOE;
 #ifdef IXGBE_FCOE
+	if (adapter->flags & IXGBE_FLAG_FCOE_ENABLED) {
 #ifdef CONFIG_IXGBE_DCB
-		tx_flags &= ~(IXGBE_TX_FLAGS_VLAN_PRIO_MASK
-			      << IXGBE_TX_FLAGS_VLAN_SHIFT);
-		tx_flags |= ((adapter->fcoe.up << 13)
-			      << IXGBE_TX_FLAGS_VLAN_SHIFT);
-#endif
+		/* for FCoE with DCB, we force the priority to what
+		 * was specified by the switch */
+		if ((skb->protocol == htons(ETH_P_FCOE)) ||
+		    (skb->protocol == htons(ETH_P_FIP))) {
+			tx_flags &= ~(IXGBE_TX_FLAGS_VLAN_PRIO_MASK
+				      << IXGBE_TX_FLAGS_VLAN_SHIFT);
+			tx_flags |= ((adapter->fcoe.up << 13)
+				     << IXGBE_TX_FLAGS_VLAN_SHIFT);
+		}
 #endif
+		/* flag for FCoE offloads */
+		if (skb->protocol == htons(ETH_P_FCOE))
+			tx_flags |= IXGBE_TX_FLAGS_FCOE;
 	}
+#endif
+
 	/* four things can cause us to need a context descriptor */
 	if (skb_is_gso(skb) ||
 	    (skb->ip_summed == CHECKSUM_PARTIAL) ||
@@ -6046,7 +6069,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 	indices += min_t(unsigned int, num_possible_cpus(),
 			 IXGBE_MAX_FCOE_INDICES);
 #endif
-	indices = min_t(unsigned int, indices, MAX_TX_QUEUES);
 	netdev = alloc_etherdev_mq(sizeof(struct ixgbe_adapter), indices);
 	if (!netdev) {
 		err = -ENOMEM;
@@ -6245,9 +6267,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev,
 	case IXGBE_DEV_ID_82599_KX4:
 		adapter->wol = (IXGBE_WUFC_MAG | IXGBE_WUFC_EX |
 		                IXGBE_WUFC_MC | IXGBE_WUFC_BC);
-		/* Enable ACPI wakeup in GRC */
-		IXGBE_WRITE_REG(hw, IXGBE_GRC,
-		             (IXGBE_READ_REG(hw, IXGBE_GRC) & ~IXGBE_GRC_APME));
 		break;
 	default:
 		adapter->wol = 0;
@@ -6380,6 +6399,16 @@ static void __devexit ixgbe_remove(struct pci_dev *pdev)
 	del_timer_sync(&adapter->sfp_timer);
 	cancel_work_sync(&adapter->watchdog_task);
 	cancel_work_sync(&adapter->sfp_task);
+	if (adapter->hw.phy.multispeed_fiber) {
+		struct ixgbe_hw *hw = &adapter->hw;
+		/*
+		 * Restart clause 37 autoneg, disable and re-enable
+		 * the tx laser, to clear & alert the link partner
+		 * that it needs to restart autotry
+		 */
+		hw->mac.autotry_restart = true;
+		hw->mac.ops.flap_tx_laser(hw);
+	}
 	cancel_work_sync(&adapter->multispeed_fiber_task);
 	cancel_work_sync(&adapter->sfp_config_module_task);
 	if (adapter->flags & IXGBE_FLAG_FDIR_HASH_CAPABLE ||
diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h
index 2be907466593..4ec6dc1a5b75 100644
--- a/drivers/net/ixgbe/ixgbe_type.h
+++ b/drivers/net/ixgbe/ixgbe_type.h
@@ -1298,6 +1298,7 @@
 #define IXGBE_ETQF_FILTER_BCN            1
 #define IXGBE_ETQF_FILTER_FCOE           2
 #define IXGBE_ETQF_FILTER_1588           3
+#define IXGBE_ETQF_FILTER_FIP            4
 /* VLAN Control Bit Masks */
 #define IXGBE_VLNCTRL_VET       0x0000FFFF  /* bits 0-15 */
 #define IXGBE_VLNCTRL_CFI       0x10000000  /* bit 28 */
@@ -2397,6 +2398,7 @@ struct ixgbe_mac_operations {
 	s32 (*enable_rx_dma)(struct ixgbe_hw *, u32);
 
 	/* Link */
+	void (*flap_tx_laser)(struct ixgbe_hw *);
 	s32 (*setup_link)(struct ixgbe_hw *, ixgbe_link_speed, bool, bool);
 	s32 (*check_link)(struct ixgbe_hw *, ixgbe_link_speed *, bool *, bool);
 	s32 (*get_link_capabilities)(struct ixgbe_hw *, ixgbe_link_speed *,
diff --git a/drivers/net/ixgbevf/ethtool.c b/drivers/net/ixgbevf/ethtool.c
index 399be0c34c36..6fdd651abcd1 100644
--- a/drivers/net/ixgbevf/ethtool.c
+++ b/drivers/net/ixgbevf/ethtool.c
@@ -46,22 +46,32 @@ struct ixgbe_stats {
 	int sizeof_stat;
 	int stat_offset;
 	int base_stat_offset;
+	int saved_reset_offset;
 };
 
-#define IXGBEVF_STAT(m, b)  sizeof(((struct ixgbevf_adapter *)0)->m), \
-			    offsetof(struct ixgbevf_adapter, m),      \
-			    offsetof(struct ixgbevf_adapter, b)
+#define IXGBEVF_STAT(m, b, r)  sizeof(((struct ixgbevf_adapter *)0)->m), \
+			    offsetof(struct ixgbevf_adapter, m),         \
+			    offsetof(struct ixgbevf_adapter, b),         \
+			    offsetof(struct ixgbevf_adapter, r)
 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
-	{"rx_packets", IXGBEVF_STAT(stats.vfgprc, stats.base_vfgprc)},
-	{"tx_packets", IXGBEVF_STAT(stats.vfgptc, stats.base_vfgptc)},
-	{"rx_bytes", IXGBEVF_STAT(stats.vfgorc, stats.base_vfgorc)},
-	{"tx_bytes", IXGBEVF_STAT(stats.vfgotc, stats.base_vfgotc)},
-	{"tx_busy", IXGBEVF_STAT(tx_busy, zero_base)},
-	{"multicast", IXGBEVF_STAT(stats.vfmprc, stats.base_vfmprc)},
-	{"rx_csum_offload_good", IXGBEVF_STAT(hw_csum_rx_good, zero_base)},
-	{"rx_csum_offload_errors", IXGBEVF_STAT(hw_csum_rx_error, zero_base)},
-	{"tx_csum_offload_ctxt", IXGBEVF_STAT(hw_csum_tx_good, zero_base)},
-	{"rx_header_split", IXGBEVF_STAT(rx_hdr_split, zero_base)},
+	{"rx_packets", IXGBEVF_STAT(stats.vfgprc, stats.base_vfgprc,
+				    stats.saved_reset_vfgprc)},
+	{"tx_packets", IXGBEVF_STAT(stats.vfgptc, stats.base_vfgptc,
+				    stats.saved_reset_vfgptc)},
+	{"rx_bytes", IXGBEVF_STAT(stats.vfgorc, stats.base_vfgorc,
+				  stats.saved_reset_vfgorc)},
+	{"tx_bytes", IXGBEVF_STAT(stats.vfgotc, stats.base_vfgotc,
+				  stats.saved_reset_vfgotc)},
+	{"tx_busy", IXGBEVF_STAT(tx_busy, zero_base, zero_base)},
+	{"multicast", IXGBEVF_STAT(stats.vfmprc, stats.base_vfmprc,
+				   stats.saved_reset_vfmprc)},
+	{"rx_csum_offload_good", IXGBEVF_STAT(hw_csum_rx_good, zero_base,
+					      zero_base)},
+	{"rx_csum_offload_errors", IXGBEVF_STAT(hw_csum_rx_error, zero_base,
+						zero_base)},
+	{"tx_csum_offload_ctxt", IXGBEVF_STAT(hw_csum_tx_good, zero_base,
+					      zero_base)},
+	{"rx_header_split", IXGBEVF_STAT(rx_hdr_split, zero_base, zero_base)},
 };
 
 #define IXGBE_QUEUE_STATS_LEN 0
@@ -455,10 +465,14 @@ static void ixgbevf_get_ethtool_stats(struct net_device *netdev,
 			ixgbe_gstrings_stats[i].stat_offset;
 		char *b = (char *)adapter +
 			ixgbe_gstrings_stats[i].base_stat_offset;
+		char *r = (char *)adapter +
+			ixgbe_gstrings_stats[i].saved_reset_offset;
 		data[i] = ((ixgbe_gstrings_stats[i].sizeof_stat ==
 			    sizeof(u64)) ? *(u64 *)p : *(u32 *)p) -
 			  ((ixgbe_gstrings_stats[i].sizeof_stat ==
-			    sizeof(u64)) ? *(u64 *)b : *(u32 *)b);
+			    sizeof(u64)) ? *(u64 *)b : *(u32 *)b) +
+			  ((ixgbe_gstrings_stats[i].sizeof_stat ==
+			    sizeof(u64)) ? *(u64 *)r : *(u32 *)r);
 	}
 }
 
diff --git a/drivers/net/ixgbevf/ixgbevf_main.c b/drivers/net/ixgbevf/ixgbevf_main.c
index 235b5fd4b8d4..1bbbef3ee3f4 100644
--- a/drivers/net/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ixgbevf/ixgbevf_main.c
@@ -751,7 +751,7 @@ static void ixgbevf_configure_msix(struct ixgbevf_adapter *adapter)
 	 */
 	for (v_idx = 0; v_idx < q_vectors; v_idx++) {
 		q_vector = adapter->q_vector[v_idx];
-		/* XXX for_each_bit(...) */
+		/* XXX for_each_set_bit(...) */
 		r_idx = find_first_bit(q_vector->rxr_idx,
 				       adapter->num_rx_queues);
 
@@ -965,7 +965,7 @@ static irqreturn_t ixgbevf_msix_mbx(int irq, void *data)
 
 	if ((msg & IXGBE_MBVFICR_VFREQ_MASK) == IXGBE_PF_CONTROL_MSG)
 		mod_timer(&adapter->watchdog_timer,
-			  round_jiffies(jiffies + 10));
+			  round_jiffies(jiffies + 1));
 
 	return IRQ_HANDLED;
 }
@@ -1610,6 +1610,44 @@ static inline void ixgbevf_rx_desc_queue_enable(struct ixgbevf_adapter *adapter,
 				(adapter->rx_ring[rxr].count - 1));
 }
 
+static void ixgbevf_save_reset_stats(struct ixgbevf_adapter *adapter)
+{
+	/* Only save pre-reset stats if there are some */
+	if (adapter->stats.vfgprc || adapter->stats.vfgptc) {
+		adapter->stats.saved_reset_vfgprc += adapter->stats.vfgprc -
+			adapter->stats.base_vfgprc;
+		adapter->stats.saved_reset_vfgptc += adapter->stats.vfgptc -
+			adapter->stats.base_vfgptc;
+		adapter->stats.saved_reset_vfgorc += adapter->stats.vfgorc -
+			adapter->stats.base_vfgorc;
+		adapter->stats.saved_reset_vfgotc += adapter->stats.vfgotc -
+			adapter->stats.base_vfgotc;
+		adapter->stats.saved_reset_vfmprc += adapter->stats.vfmprc -
+			adapter->stats.base_vfmprc;
+	}
+}
+
+static void ixgbevf_init_last_counter_stats(struct ixgbevf_adapter *adapter)
+{
+	struct ixgbe_hw *hw = &adapter->hw;
+
+	adapter->stats.last_vfgprc = IXGBE_READ_REG(hw, IXGBE_VFGPRC);
+	adapter->stats.last_vfgorc = IXGBE_READ_REG(hw, IXGBE_VFGORC_LSB);
+	adapter->stats.last_vfgorc |=
+		(((u64)(IXGBE_READ_REG(hw, IXGBE_VFGORC_MSB))) << 32);
+	adapter->stats.last_vfgptc = IXGBE_READ_REG(hw, IXGBE_VFGPTC);
+	adapter->stats.last_vfgotc = IXGBE_READ_REG(hw, IXGBE_VFGOTC_LSB);
+	adapter->stats.last_vfgotc |=
+		(((u64)(IXGBE_READ_REG(hw, IXGBE_VFGOTC_MSB))) << 32);
+	adapter->stats.last_vfmprc = IXGBE_READ_REG(hw, IXGBE_VFMPRC);
+
+	adapter->stats.base_vfgprc = adapter->stats.last_vfgprc;
+	adapter->stats.base_vfgorc = adapter->stats.last_vfgorc;
+	adapter->stats.base_vfgptc = adapter->stats.last_vfgptc;
+	adapter->stats.base_vfgotc = adapter->stats.last_vfgotc;
+	adapter->stats.base_vfmprc = adapter->stats.last_vfmprc;
+}
+
 static int ixgbevf_up_complete(struct ixgbevf_adapter *adapter)
 {
 	struct net_device *netdev = adapter->netdev;
@@ -1656,6 +1694,9 @@ static int ixgbevf_up_complete(struct ixgbevf_adapter *adapter)
 	/* enable transmits */
 	netif_tx_start_all_queues(netdev);
 
+	ixgbevf_save_reset_stats(adapter);
+	ixgbevf_init_last_counter_stats(adapter);
+
 	/* bring the link up in the watchdog, this could race with our first
 	 * link up interrupt but shouldn't be a problem */
 	adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE;
@@ -2228,27 +2269,6 @@ out:
 	return err;
 }
 
-static void ixgbevf_init_last_counter_stats(struct ixgbevf_adapter *adapter)
-{
-	struct ixgbe_hw *hw = &adapter->hw;
-
-	adapter->stats.last_vfgprc = IXGBE_READ_REG(hw, IXGBE_VFGPRC);
-	adapter->stats.last_vfgorc = IXGBE_READ_REG(hw, IXGBE_VFGORC_LSB);
-	adapter->stats.last_vfgorc |=
-		(((u64)(IXGBE_READ_REG(hw, IXGBE_VFGORC_MSB))) << 32);
-	adapter->stats.last_vfgptc = IXGBE_READ_REG(hw, IXGBE_VFGPTC);
-	adapter->stats.last_vfgotc = IXGBE_READ_REG(hw, IXGBE_VFGOTC_LSB);
-	adapter->stats.last_vfgotc |=
-		(((u64)(IXGBE_READ_REG(hw, IXGBE_VFGOTC_MSB))) << 32);
-	adapter->stats.last_vfmprc = IXGBE_READ_REG(hw, IXGBE_VFMPRC);
-
-	adapter->stats.base_vfgprc = adapter->stats.last_vfgprc;
-	adapter->stats.base_vfgorc = adapter->stats.last_vfgorc;
-	adapter->stats.base_vfgptc = adapter->stats.last_vfgptc;
-	adapter->stats.base_vfgotc = adapter->stats.last_vfgotc;
-	adapter->stats.base_vfmprc = adapter->stats.last_vfmprc;
-}
-
 #define UPDATE_VF_COUNTER_32bit(reg, last_counter, counter)	\
 	{							\
 		u32 current_counter = IXGBE_READ_REG(hw, reg);	\
@@ -2399,7 +2419,7 @@ static void ixgbevf_watchdog_task(struct work_struct *work)
 		if (!netif_carrier_ok(netdev)) {
 			hw_dbg(&adapter->hw, "NIC Link is Up %s, ",
 			       ((link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
-				"10 Gbps" : "1 Gbps"));
+				"10 Gbps\n" : "1 Gbps\n"));
 			netif_carrier_on(netdev);
 			netif_tx_wake_all_queues(netdev);
 		} else {
@@ -2416,9 +2436,9 @@ static void ixgbevf_watchdog_task(struct work_struct *work)
 		}
 	}
 
-pf_has_reset:
 	ixgbevf_update_stats(adapter);
 
+pf_has_reset:
 	/* Force detection of hung controller every watchdog period */
 	adapter->detect_tx_hung = true;
 
@@ -2675,7 +2695,7 @@ static int ixgbevf_open(struct net_device *netdev)
 		if (hw->adapter_stopped) {
 			err = IXGBE_ERR_MBX;
 			printk(KERN_ERR "Unable to start - perhaps the PF"
-			       "Driver isn't up yet\n");
+			       " Driver isn't up yet\n");
 			goto err_setup_reset;
 		}
 	}
@@ -2923,9 +2943,10 @@ static int ixgbevf_tx_map(struct ixgbevf_adapter *adapter,
 	struct ixgbevf_tx_buffer *tx_buffer_info;
 	unsigned int len;
 	unsigned int total = skb->len;
-	unsigned int offset = 0, size, count = 0, i;
+	unsigned int offset = 0, size, count = 0;
 	unsigned int nr_frags = skb_shinfo(skb)->nr_frags;
 	unsigned int f;
+	int i;
 
 	i = tx_ring->next_to_use;
 
@@ -3390,8 +3411,6 @@ static int __devinit ixgbevf_probe(struct pci_dev *pdev,
 	/* setup the private structure */
 	err = ixgbevf_sw_init(adapter);
 
-	ixgbevf_init_last_counter_stats(adapter);
-
 #ifdef MAX_SKB_FRAGS
 	netdev->features = NETIF_F_SG |
 			   NETIF_F_IP_CSUM |
@@ -3449,6 +3468,8 @@ static int __devinit ixgbevf_probe(struct pci_dev *pdev,
 
 	adapter->netdev_registered = true;
 
+	ixgbevf_init_last_counter_stats(adapter);
+
 	/* print the MAC address */
 	hw_dbg(hw, "%2.2x:%2.2x:%2.2x:%2.2x:%2.2x:%2.2x\n",
 	       netdev->dev_addr[0],
diff --git a/drivers/net/ixgbevf/vf.h b/drivers/net/ixgbevf/vf.h
index 799600e92700..1f31b052d4b4 100644
--- a/drivers/net/ixgbevf/vf.h
+++ b/drivers/net/ixgbevf/vf.h
@@ -157,6 +157,12 @@ struct ixgbevf_hw_stats {
 	u64 vfgorc;
 	u64 vfgotc;
 	u64 vfmprc;
+
+	u64 saved_reset_vfgprc;
+	u64 saved_reset_vfgptc;
+	u64 saved_reset_vfgorc;
+	u64 saved_reset_vfgotc;
+	u64 saved_reset_vfmprc;
 };
 
 struct ixgbevf_info {
diff --git a/drivers/net/jme.c b/drivers/net/jme.c
index 0f31497833df..c0b59a555384 100644
--- a/drivers/net/jme.c
+++ b/drivers/net/jme.c
@@ -946,6 +946,8 @@ jme_alloc_and_feed_skb(struct jme_adapter *jme, int idx)
 				jme->jme_vlan_rx(skb, jme->vlgrp,
 					le16_to_cpu(rxdesc->descwb.vlan));
 				NET_STAT(jme).rx_bytes += 4;
+			} else {
+				dev_kfree_skb(skb);
 			}
 		} else {
 			jme->jme_rx(skb);
@@ -2081,12 +2083,45 @@ jme_tx_timeout(struct net_device *netdev)
 	jme_reset_link(jme);
 }
 
+static inline void jme_pause_rx(struct jme_adapter *jme)
+{
+	atomic_dec(&jme->link_changing);
+
+	jme_set_rx_pcc(jme, PCC_OFF);
+	if (test_bit(JME_FLAG_POLL, &jme->flags)) {
+		JME_NAPI_DISABLE(jme);
+	} else {
+		tasklet_disable(&jme->rxclean_task);
+		tasklet_disable(&jme->rxempty_task);
+	}
+}
+
+static inline void jme_resume_rx(struct jme_adapter *jme)
+{
+	struct dynpcc_info *dpi = &(jme->dpi);
+
+	if (test_bit(JME_FLAG_POLL, &jme->flags)) {
+		JME_NAPI_ENABLE(jme);
+	} else {
+		tasklet_hi_enable(&jme->rxclean_task);
+		tasklet_hi_enable(&jme->rxempty_task);
+	}
+	dpi->cur		= PCC_P1;
+	dpi->attempt		= PCC_P1;
+	dpi->cnt		= 0;
+	jme_set_rx_pcc(jme, PCC_P1);
+
+	atomic_inc(&jme->link_changing);
+}
+
 static void
 jme_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
 {
 	struct jme_adapter *jme = netdev_priv(netdev);
 
+	jme_pause_rx(jme);
 	jme->vlgrp = grp;
+	jme_resume_rx(jme);
 }
 
 static void
diff --git a/drivers/net/jme.h b/drivers/net/jme.h
index c19db9146a2f..07ad3a457185 100644
--- a/drivers/net/jme.h
+++ b/drivers/net/jme.h
@@ -25,7 +25,7 @@
 #define __JME_H_INCLUDED__
 
 #define DRV_NAME	"jme"
-#define DRV_VERSION	"1.0.5"
+#define DRV_VERSION	"1.0.6"
 #define PFX		DRV_NAME ": "
 
 #define PCI_DEVICE_ID_JMICRON_JMC250	0x0250
diff --git a/drivers/net/ks8851.c b/drivers/net/ks8851.c
index b5219cce12ed..13cc1ca261d9 100644
--- a/drivers/net/ks8851.c
+++ b/drivers/net/ks8851.c
@@ -407,7 +407,7 @@ static irqreturn_t ks8851_irq(int irq, void *pw)
  * @buff: The buffer address
  * @len: The length of the data to read
  *
- * Issue an RXQ FIFO read command and read the @len ammount of data from
+ * Issue an RXQ FIFO read command and read the @len amount of data from
  * the FIFO into the buffer specified by @buff.
  */
 static void ks8851_rdfifo(struct ks8851_net *ks, u8 *buff, unsigned len)
@@ -976,7 +976,6 @@ static void ks8851_set_rx_mode(struct net_device *dev)
 			crc >>= (32 - 6);  /* get top six bits */
 
 			rxctrl.mchash[crc >> 4] |= (1 << (crc & 0xf));
-			mcptr = mcptr->next;
 		}
 
 		rxctrl.rxcr1 = RXCR1_RXME | RXCR1_RXPAFMA;
diff --git a/drivers/net/ksz884x.c b/drivers/net/ksz884x.c
index 7264a3e5c2c0..6c5327af1bf9 100644
--- a/drivers/net/ksz884x.c
+++ b/drivers/net/ksz884x.c
@@ -4899,8 +4899,10 @@ static int netdev_tx(struct sk_buff *skb, struct net_device *dev)
 			struct sk_buff *org_skb = skb;
 
 			skb = dev_alloc_skb(org_skb->len);
-			if (!skb)
-				return NETDEV_TX_BUSY;
+			if (!skb) {
+				rc = NETDEV_TX_BUSY;
+				goto unlock;
+			}
 			skb_copy_and_csum_dev(org_skb, skb->data);
 			org_skb->ip_summed = 0;
 			skb->len = org_skb->len;
@@ -4914,7 +4916,7 @@ static int netdev_tx(struct sk_buff *skb, struct net_device *dev)
 		netif_stop_queue(dev);
 		rc = NETDEV_TX_BUSY;
 	}
-
+unlock:
 	spin_unlock_irq(&hw_priv->hwlock);
 
 	return rc;
@@ -6320,7 +6322,7 @@ static int netdev_set_eeprom(struct net_device *dev,
 	int len;
 
 	if (eeprom->magic != EEPROM_MAGIC)
-		return 1;
+		return -EINVAL;
 
 	len = (eeprom->offset + eeprom->len + 1) / 2;
 	for (i = eeprom->offset / 2; i < len; i++)
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 8f6e816a7395..b402a95c87c7 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -1023,6 +1023,7 @@ static int mlx4_init_port_info(struct mlx4_dev *dev, int port)
 	info->port_attr.attr.mode = S_IRUGO | S_IWUSR;
 	info->port_attr.show      = show_port_type;
 	info->port_attr.store     = set_port_type;
+	sysfs_attr_init(&info->port_attr.attr);
 
 	err = device_create_file(&dev->pdev->dev, &info->port_attr);
 	if (err) {
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index 676c513e12fc..e84dd3ee9c5a 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -3687,7 +3687,6 @@ static void myri10ge_probe_slices(struct myri10ge_priv *mgp)
 	if (status != 0) {
 		dev_err(&mgp->pdev->dev, "failed reset\n");
 		goto abort_with_fw;
-		return;
 	}
 
 	mgp->max_intr_slots = cmd.data0 / sizeof(struct mcp_slot);
diff --git a/drivers/net/ne.c b/drivers/net/ne.c
index 992dbfffdb05..f4347f88b6f2 100644
--- a/drivers/net/ne.c
+++ b/drivers/net/ne.c
@@ -142,7 +142,7 @@ bad_clone_list[] __initdata = {
     {"PCM-4823", "PCM-4823", {0x00, 0xc0, 0x6c}}, /* Broken Advantech MoBo */
     {"REALTEK", "RTL8019", {0x00, 0x00, 0xe8}}, /* no-name with Realtek chip */
 #ifdef CONFIG_MACH_TX49XX
-    {"RBHMA4X00-RTL8019", "RBHMA4X00/RTL8019", {0x00, 0x60, 0x0a}},  /* Toshiba built-in */
+    {"RBHMA4X00-RTL8019", "RBHMA4X00-RTL8019", {0x00, 0x60, 0x0a}},  /* Toshiba built-in */
 #endif
     {"LCS-8834", "LCS-8836", {0x04, 0x04, 0x37}}, /* ShinyNet (SET) */
     {NULL,}
diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h
index 144d2e880422..0f703838e21a 100644
--- a/drivers/net/netxen/netxen_nic.h
+++ b/drivers/net/netxen/netxen_nic.h
@@ -53,8 +53,8 @@
 
 #define _NETXEN_NIC_LINUX_MAJOR 4
 #define _NETXEN_NIC_LINUX_MINOR 0
-#define _NETXEN_NIC_LINUX_SUBVERSION 72
-#define NETXEN_NIC_LINUX_VERSIONID  "4.0.72"
+#define _NETXEN_NIC_LINUX_SUBVERSION 73
+#define NETXEN_NIC_LINUX_VERSIONID  "4.0.73"
 
 #define NETXEN_VERSION_CODE(a, b, c)	(((a) << 24) + ((b) << 16) + (c))
 #define _major(v)	(((v) >> 24) & 0xff)
diff --git a/drivers/net/netxen/netxen_nic_ctx.c b/drivers/net/netxen/netxen_nic_ctx.c
index 2a8ef5fc9663..f26e54716c88 100644
--- a/drivers/net/netxen/netxen_nic_ctx.c
+++ b/drivers/net/netxen/netxen_nic_ctx.c
@@ -669,13 +669,15 @@ int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
 		}
 		sds_ring->desc_head = (struct status_desc *)addr;
 
-		sds_ring->crb_sts_consumer =
-			netxen_get_ioaddr(adapter,
-			recv_crb_registers[port].crb_sts_consumer[ring]);
+		if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
+			sds_ring->crb_sts_consumer =
+				netxen_get_ioaddr(adapter,
+				recv_crb_registers[port].crb_sts_consumer[ring]);
 
-		sds_ring->crb_intr_mask =
-			netxen_get_ioaddr(adapter,
-			recv_crb_registers[port].sw_int_mask[ring]);
+			sds_ring->crb_intr_mask =
+				netxen_get_ioaddr(adapter,
+				recv_crb_registers[port].sw_int_mask[ring]);
+		}
 	}
 
 
diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c
index 1c63610ead42..7eb925a9f36e 100644
--- a/drivers/net/netxen/netxen_nic_init.c
+++ b/drivers/net/netxen/netxen_nic_init.c
@@ -761,7 +761,7 @@ nx_get_bios_version(struct netxen_adapter *adapter)
 	if (adapter->fw_type == NX_UNIFIED_ROMIMAGE) {
 		bios_ver = cpu_to_le32(*((u32 *) (&fw->data[prd_off])
 						+ NX_UNI_BIOS_VERSION_OFF));
-		return (bios_ver << 24) + ((bios_ver >> 8) & 0xff00) +
+		return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) +
 							(bios_ver >> 24);
 	} else
 		return cpu_to_le32(*(u32 *)&fw->data[NX_BIOS_VERSION_OFFSET]);
diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c
index 08780ef1c1f8..01808b28d1b6 100644
--- a/drivers/net/netxen/netxen_nic_main.c
+++ b/drivers/net/netxen/netxen_nic_main.c
@@ -604,16 +604,14 @@ netxen_cleanup_pci_map(struct netxen_adapter *adapter)
 static int
 netxen_setup_pci_map(struct netxen_adapter *adapter)
 {
-	void __iomem *mem_ptr0 = NULL;
-	void __iomem *mem_ptr1 = NULL;
-	void __iomem *mem_ptr2 = NULL;
 	void __iomem *db_ptr = NULL;
 
 	resource_size_t mem_base, db_base;
-	unsigned long mem_len, db_len = 0, pci_len0 = 0;
+	unsigned long mem_len, db_len = 0;
 
 	struct pci_dev *pdev = adapter->pdev;
 	int pci_func = adapter->ahw.pci_func;
+	struct netxen_hardware_context *ahw = &adapter->ahw;
 
 	int err = 0;
 
@@ -630,24 +628,40 @@ netxen_setup_pci_map(struct netxen_adapter *adapter)
 
 	/* 128 Meg of memory */
 	if (mem_len == NETXEN_PCI_128MB_SIZE) {
-		mem_ptr0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
-		mem_ptr1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
+
+		ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
+		ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
 				SECOND_PAGE_GROUP_SIZE);
-		mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
+		ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
 				THIRD_PAGE_GROUP_SIZE);
-		pci_len0 = FIRST_PAGE_GROUP_SIZE;
+		if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL ||
+						ahw->pci_base2 == NULL) {
+			dev_err(&pdev->dev, "failed to map PCI bar 0\n");
+			err = -EIO;
+			goto err_out;
+		}
+
+		ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE;
+
 	} else if (mem_len == NETXEN_PCI_32MB_SIZE) {
-		mem_ptr1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
-		mem_ptr2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
+
+		ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
+		ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
 			SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
+		if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) {
+			dev_err(&pdev->dev, "failed to map PCI bar 0\n");
+			err = -EIO;
+			goto err_out;
+		}
+
 	} else if (mem_len == NETXEN_PCI_2MB_SIZE) {
 
-		mem_ptr0 = pci_ioremap_bar(pdev, 0);
-		if (mem_ptr0 == NULL) {
+		ahw->pci_base0 = pci_ioremap_bar(pdev, 0);
+		if (ahw->pci_base0 == NULL) {
 			dev_err(&pdev->dev, "failed to map PCI bar 0\n");
 			return -EIO;
 		}
-		pci_len0 = mem_len;
+		ahw->pci_len0 = mem_len;
 	} else {
 		return -EIO;
 	}
@@ -656,11 +670,6 @@ netxen_setup_pci_map(struct netxen_adapter *adapter)
 
 	dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
 
-	adapter->ahw.pci_base0 = mem_ptr0;
-	adapter->ahw.pci_len0 = pci_len0;
-	adapter->ahw.pci_base1 = mem_ptr1;
-	adapter->ahw.pci_base2 = mem_ptr2;
-
 	if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
 		adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
 			NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
@@ -1246,8 +1255,8 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	int pci_func_id = PCI_FUNC(pdev->devfn);
 	uint8_t revision_id;
 
-	if (pdev->revision >= NX_P3_A0 && pdev->revision < NX_P3_B1) {
-		pr_warning("%s: chip revisions between 0x%x-0x%x"
+	if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
+		pr_warning("%s: chip revisions between 0x%x-0x%x "
 				"will not be enabled.\n",
 				module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
 		return -ENODEV;
diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c
index 776cad2f5715..1028fcb91a28 100644
--- a/drivers/net/pcmcia/pcnet_cs.c
+++ b/drivers/net/pcmcia/pcnet_cs.c
@@ -1549,6 +1549,7 @@ static struct pcmcia_device_id pcnet_ids[] = {
 	PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x021b, 0x0101),
 	PCMCIA_PFC_DEVICE_MANF_CARD(0, 0x08a1, 0xc0ab),
 	PCMCIA_PFC_DEVICE_PROD_ID12(0, "AnyCom", "Fast Ethernet + 56K COMBO", 0x578ba6e7, 0xb0ac62c4),
+	PCMCIA_PFC_DEVICE_PROD_ID12(0, "ATKK", "LM33-PCM-T", 0xba9eb7e2, 0x077c174e),
 	PCMCIA_PFC_DEVICE_PROD_ID12(0, "D-Link", "DME336T", 0x1a424a1c, 0xb23897ff),
 	PCMCIA_PFC_DEVICE_PROD_ID12(0, "Grey Cell", "GCS3000", 0x2a151fac, 0x48b932ae),
 	PCMCIA_PFC_DEVICE_PROD_ID12(0, "Linksys", "EtherFast 10&100 + 56K PC Card (PCMLM56)", 0x0733cc81, 0xb3765033),
@@ -1740,7 +1741,7 @@ static struct pcmcia_device_id pcnet_ids[] = {
 	PCMCIA_MFC_DEVICE_CIS_PROD_ID12(0, "DAYNA COMMUNICATIONS", "LAN AND MODEM MULTIFUNCTION", 0x8fdf8f89, 0xdd5ed9e8, "cis/DP83903.cis"),
 	PCMCIA_MFC_DEVICE_CIS_PROD_ID4(0, "NSC MF LAN/Modem", 0x58fc6056, "cis/DP83903.cis"),
 	PCMCIA_MFC_DEVICE_CIS_MANF_CARD(0, 0x0175, 0x0000, "cis/DP83903.cis"),
-	PCMCIA_DEVICE_CIS_MANF_CARD(0xc00f, 0x0002, "cis/LA-PCM.cis"),
+	PCMCIA_DEVICE_CIS_PROD_ID12("Allied Telesis,K.K", "Ethernet LAN Card", 0x2ad62f3c, 0x9fd2f0a2, "cis/LA-PCM.cis"),
 	PCMCIA_DEVICE_CIS_PROD_ID12("KTI", "PE520 PLUS", 0xad180345, 0x9d58d392, "cis/PE520.cis"),
 	PCMCIA_DEVICE_CIS_PROD_ID12("NDC", "Ethernet", 0x01c43ae1, 0x00b2e941, "cis/NE2K.cis"),
 	PCMCIA_DEVICE_CIS_PROD_ID12("PMX   ", "PE-200", 0x34f3f1c8, 0x10b59f8c, "cis/PE-200.cis"),
diff --git a/drivers/net/pppol2tp.c b/drivers/net/pppol2tp.c
index 9fbb2eba9a06..449a9825200d 100644
--- a/drivers/net/pppol2tp.c
+++ b/drivers/net/pppol2tp.c
@@ -756,6 +756,7 @@ static int pppol2tp_recv_core(struct sock *sock, struct sk_buff *skb)
 
 	/* Try to dequeue as many skbs from reorder_q as we can. */
 	pppol2tp_recv_dequeue(session);
+	sock_put(sock);
 
 	return 0;
 
@@ -772,6 +773,7 @@ discard_bad_csum:
 	UDP_INC_STATS_USER(&init_net, UDP_MIB_INERRORS, 0);
 	tunnel->stats.rx_errors++;
 	kfree_skb(skb);
+	sock_put(sock);
 
 	return 0;
 
@@ -1180,7 +1182,8 @@ static int pppol2tp_xmit(struct ppp_channel *chan, struct sk_buff *skb)
 	/* Calculate UDP checksum if configured to do so */
 	if (sk_tun->sk_no_check == UDP_CSUM_NOXMIT)
 		skb->ip_summed = CHECKSUM_NONE;
-	else if (!(skb_dst(skb)->dev->features & NETIF_F_V4_CSUM)) {
+	else if ((skb_dst(skb) && skb_dst(skb)->dev) &&
+		 (!(skb_dst(skb)->dev->features & NETIF_F_V4_CSUM))) {
 		skb->ip_summed = CHECKSUM_COMPLETE;
 		csum = skb_checksum(skb, 0, udp_len, 0);
 		uh->check = csum_tcpudp_magic(inet->inet_saddr,
@@ -1661,6 +1664,7 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr,
 		if (tunnel_sock == NULL)
 			goto end;
 
+		sock_hold(tunnel_sock);
 		tunnel = tunnel_sock->sk_user_data;
 	} else {
 		tunnel = pppol2tp_tunnel_find(sock_net(sk), sp->pppol2tp.s_tunnel);
diff --git a/drivers/net/qlcnic/qlcnic.h b/drivers/net/qlcnic/qlcnic.h
index b40a851ec7d1..0da94b208db1 100644
--- a/drivers/net/qlcnic/qlcnic.h
+++ b/drivers/net/qlcnic/qlcnic.h
@@ -423,6 +423,11 @@ struct qlcnic_adapter_stats {
 	u64  lro_pkts;
 	u64  rxbytes;
 	u64  txbytes;
+	u64  lrobytes;
+	u64  lso_frames;
+	u64  xmit_on;
+	u64  xmit_off;
+	u64  skb_alloc_failure;
 };
 
 /*
@@ -1095,11 +1100,11 @@ struct qlcnic_brdinfo {
 
 static const struct qlcnic_brdinfo qlcnic_boards[] = {
 	{0x1077, 0x8020, 0x1077, 0x203,
-		"8200 Series Single Port 10GbE Converged Network Adapter \
-		(TCP/IP Networking)"},
+		"8200 Series Single Port 10GbE Converged Network Adapter "
+		"(TCP/IP Networking)"},
 	{0x1077, 0x8020, 0x1077, 0x207,
-		"8200 Series Dual Port 10GbE Converged Network Adapter \
-		(TCP/IP Networking)"},
+		"8200 Series Dual Port 10GbE Converged Network Adapter "
+		"(TCP/IP Networking)"},
 	{0x1077, 0x8020, 0x1077, 0x20b,
 		"3200 Series Dual Port 10Gb Intelligent Ethernet Adapter"},
 	{0x1077, 0x8020, 0x1077, 0x20c,
diff --git a/drivers/net/qlcnic/qlcnic_ethtool.c b/drivers/net/qlcnic/qlcnic_ethtool.c
index 8da6ec8c13b9..f83e15fe3e1b 100644
--- a/drivers/net/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/qlcnic/qlcnic_ethtool.c
@@ -59,6 +59,17 @@ static const struct qlcnic_stats qlcnic_gstrings_stats[] = {
 		QLC_SIZEOF(stats.rxbytes), QLC_OFF(stats.rxbytes)},
 	{"tx_bytes",
 		QLC_SIZEOF(stats.txbytes), QLC_OFF(stats.txbytes)},
+	{"lrobytes",
+		QLC_SIZEOF(stats.lrobytes), QLC_OFF(stats.lrobytes)},
+	{"lso_frames",
+		QLC_SIZEOF(stats.lso_frames), QLC_OFF(stats.lso_frames)},
+	{"xmit_on",
+		QLC_SIZEOF(stats.xmit_on), QLC_OFF(stats.xmit_on)},
+	{"xmit_off",
+		QLC_SIZEOF(stats.xmit_off), QLC_OFF(stats.xmit_off)},
+	{"skb_alloc_failure", QLC_SIZEOF(stats.skb_alloc_failure),
+		QLC_OFF(stats.skb_alloc_failure)},
+
 };
 
 #define QLCNIC_STATS_LEN	ARRAY_SIZE(qlcnic_gstrings_stats)
@@ -785,6 +796,11 @@ qlcnic_get_ethtool_stats(struct net_device *dev,
 	}
 }
 
+static u32 qlcnic_get_tx_csum(struct net_device *dev)
+{
+	return dev->features & NETIF_F_IP_CSUM;
+}
+
 static u32 qlcnic_get_rx_csum(struct net_device *dev)
 {
 	struct qlcnic_adapter *adapter = netdev_priv(dev);
@@ -995,6 +1011,7 @@ const struct ethtool_ops qlcnic_ethtool_ops = {
 	.set_ringparam = qlcnic_set_ringparam,
 	.get_pauseparam = qlcnic_get_pauseparam,
 	.set_pauseparam = qlcnic_set_pauseparam,
+	.get_tx_csum = qlcnic_get_tx_csum,
 	.set_tx_csum = ethtool_op_set_tx_csum,
 	.set_sg = ethtool_op_set_sg,
 	.get_tso = qlcnic_get_tso,
diff --git a/drivers/net/qlcnic/qlcnic_hw.c b/drivers/net/qlcnic/qlcnic_hw.c
index 99a4d1379d00..da00e162b6d3 100644
--- a/drivers/net/qlcnic/qlcnic_hw.c
+++ b/drivers/net/qlcnic/qlcnic_hw.c
@@ -349,6 +349,7 @@ qlcnic_send_cmd_descs(struct qlcnic_adapter *adapter,
 	if (nr_desc >= qlcnic_tx_avail(tx_ring)) {
 		netif_tx_stop_queue(tx_ring->txq);
 		__netif_tx_unlock_bh(tx_ring->txq);
+		adapter->stats.xmit_off++;
 		return -EBUSY;
 	}
 
@@ -397,20 +398,16 @@ qlcnic_sre_macaddr_change(struct qlcnic_adapter *adapter, u8 *addr,
 	return qlcnic_send_cmd_descs(adapter, (struct cmd_desc_type0 *)&req, 1);
 }
 
-static int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter,
-		u8 *addr, struct list_head *del_list)
+static int qlcnic_nic_add_mac(struct qlcnic_adapter *adapter, u8 *addr)
 {
 	struct list_head *head;
 	struct qlcnic_mac_list_s *cur;
 
 	/* look up if already exists */
-	list_for_each(head, del_list) {
+	list_for_each(head, &adapter->mac_list) {
 		cur = list_entry(head, struct qlcnic_mac_list_s, list);
-
-		if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0) {
-			list_move_tail(head, &adapter->mac_list);
+		if (memcmp(addr, cur->mac_addr, ETH_ALEN) == 0)
 			return 0;
-		}
 	}
 
 	cur = kzalloc(sizeof(struct qlcnic_mac_list_s), GFP_ATOMIC);
@@ -432,14 +429,9 @@ void qlcnic_set_multi(struct net_device *netdev)
 	struct dev_mc_list *mc_ptr;
 	u8 bcast_addr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
 	u32 mode = VPORT_MISS_MODE_DROP;
-	LIST_HEAD(del_list);
-	struct list_head *head;
-	struct qlcnic_mac_list_s *cur;
 
-	list_splice_tail_init(&adapter->mac_list, &del_list);
-
-	qlcnic_nic_add_mac(adapter, adapter->mac_addr, &del_list);
-	qlcnic_nic_add_mac(adapter, bcast_addr, &del_list);
+	qlcnic_nic_add_mac(adapter, adapter->mac_addr);
+	qlcnic_nic_add_mac(adapter, bcast_addr);
 
 	if (netdev->flags & IFF_PROMISC) {
 		mode = VPORT_MISS_MODE_ACCEPT_ALL;
@@ -454,22 +446,12 @@ void qlcnic_set_multi(struct net_device *netdev)
 
 	if (!netdev_mc_empty(netdev)) {
 		netdev_for_each_mc_addr(mc_ptr, netdev) {
-			qlcnic_nic_add_mac(adapter, mc_ptr->dmi_addr,
-							&del_list);
+			qlcnic_nic_add_mac(adapter, mc_ptr->dmi_addr);
 		}
 	}
 
 send_fw_cmd:
 	qlcnic_nic_set_promisc(adapter, mode);
-	head = &del_list;
-	while (!list_empty(head)) {
-		cur = list_entry(head->next, struct qlcnic_mac_list_s, list);
-
-		qlcnic_sre_macaddr_change(adapter,
-				cur->mac_addr, QLCNIC_MAC_DEL);
-		list_del(&cur->list);
-		kfree(cur);
-	}
 }
 
 int qlcnic_nic_set_promisc(struct qlcnic_adapter *adapter, u32 mode)
diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
index ea00ab4d4feb..7c34e4e29b3f 100644
--- a/drivers/net/qlcnic/qlcnic_init.c
+++ b/drivers/net/qlcnic/qlcnic_init.c
@@ -568,21 +568,123 @@ struct uni_table_desc *qlcnic_get_table_desc(const u8 *unirom, int section)
 	return NULL;
 }
 
+#define FILEHEADER_SIZE (14 * 4)
+
 static int
-qlcnic_set_product_offs(struct qlcnic_adapter *adapter)
+qlcnic_validate_header(struct qlcnic_adapter *adapter)
 {
-	struct uni_table_desc *ptab_descr;
 	const u8 *unirom = adapter->fw->data;
-	u32 i;
+	struct uni_table_desc *directory = (struct uni_table_desc *) &unirom[0];
+	__le32 fw_file_size = adapter->fw->size;
 	__le32 entries;
+	__le32 entry_size;
+	__le32 tab_size;
+
+	if (fw_file_size < FILEHEADER_SIZE)
+		return -EINVAL;
+
+	entries = cpu_to_le32(directory->num_entries);
+	entry_size = cpu_to_le32(directory->entry_size);
+	tab_size = cpu_to_le32(directory->findex) + (entries * entry_size);
+
+	if (fw_file_size < tab_size)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int
+qlcnic_validate_bootld(struct qlcnic_adapter *adapter)
+{
+	struct uni_table_desc *tab_desc;
+	struct uni_data_desc *descr;
+	const u8 *unirom = adapter->fw->data;
+	int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
+				QLCNIC_UNI_BOOTLD_IDX_OFF));
+	__le32 offs;
+	__le32 tab_size;
+	__le32 data_size;
+
+	tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_BOOTLD);
+
+	if (!tab_desc)
+		return -EINVAL;
+
+	tab_size = cpu_to_le32(tab_desc->findex) +
+			(cpu_to_le32(tab_desc->entry_size * (idx + 1)));
+
+	if (adapter->fw->size < tab_size)
+		return -EINVAL;
+
+	offs = cpu_to_le32(tab_desc->findex) +
+		(cpu_to_le32(tab_desc->entry_size) * (idx));
+	descr = (struct uni_data_desc *)&unirom[offs];
+
+	data_size = descr->findex + cpu_to_le32(descr->size);
+
+	if (adapter->fw->size < data_size)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int
+qlcnic_validate_fw(struct qlcnic_adapter *adapter)
+{
+	struct uni_table_desc *tab_desc;
+	struct uni_data_desc *descr;
+	const u8 *unirom = adapter->fw->data;
+	int idx = cpu_to_le32(*((int *)&unirom[adapter->file_prd_off] +
+				QLCNIC_UNI_FIRMWARE_IDX_OFF));
+	__le32 offs;
+	__le32 tab_size;
+	__le32 data_size;
+
+	tab_desc = qlcnic_get_table_desc(unirom, QLCNIC_UNI_DIR_SECT_FW);
+
+	if (!tab_desc)
+		return -EINVAL;
+
+	tab_size = cpu_to_le32(tab_desc->findex) +
+			(cpu_to_le32(tab_desc->entry_size * (idx + 1)));
+
+	if (adapter->fw->size < tab_size)
+		return -EINVAL;
+
+	offs = cpu_to_le32(tab_desc->findex) +
+		(cpu_to_le32(tab_desc->entry_size) * (idx));
+	descr = (struct uni_data_desc *)&unirom[offs];
+	data_size = descr->findex + cpu_to_le32(descr->size);
+
+	if (adapter->fw->size < data_size)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int
+qlcnic_validate_product_offs(struct qlcnic_adapter *adapter)
+{
+	struct uni_table_desc *ptab_descr;
+	const u8 *unirom = adapter->fw->data;
 	int mn_present = qlcnic_has_mn(adapter);
+	__le32 entries;
+	__le32 entry_size;
+	__le32 tab_size;
+	u32 i;
 
 	ptab_descr = qlcnic_get_table_desc(unirom,
 				QLCNIC_UNI_DIR_SECT_PRODUCT_TBL);
-	if (ptab_descr == NULL)
-		return -1;
+	if (!ptab_descr)
+		return -EINVAL;
 
 	entries = cpu_to_le32(ptab_descr->num_entries);
+	entry_size = cpu_to_le32(ptab_descr->entry_size);
+	tab_size = cpu_to_le32(ptab_descr->findex) + (entries * entry_size);
+
+	if (adapter->fw->size < tab_size)
+		return -EINVAL;
+
 nomn:
 	for (i = 0; i < entries; i++) {
 
@@ -609,7 +711,37 @@ nomn:
 		mn_present = 0;
 		goto nomn;
 	}
-	return -1;
+	return -EINVAL;
+}
+
+static int
+qlcnic_validate_unified_romimage(struct qlcnic_adapter *adapter)
+{
+	if (qlcnic_validate_header(adapter)) {
+		dev_err(&adapter->pdev->dev,
+				"unified image: header validation failed\n");
+		return -EINVAL;
+	}
+
+	if (qlcnic_validate_product_offs(adapter)) {
+		dev_err(&adapter->pdev->dev,
+				"unified image: product validation failed\n");
+		return -EINVAL;
+	}
+
+	if (qlcnic_validate_bootld(adapter)) {
+		dev_err(&adapter->pdev->dev,
+				"unified image: bootld validation failed\n");
+		return -EINVAL;
+	}
+
+	if (qlcnic_validate_fw(adapter)) {
+		dev_err(&adapter->pdev->dev,
+				"unified image: firmware validation failed\n");
+		return -EINVAL;
+	}
+
+	return 0;
 }
 
 static
@@ -715,7 +847,7 @@ qlcnic_get_bios_version(struct qlcnic_adapter *adapter)
 	bios_ver = cpu_to_le32(*((u32 *) (&fw->data[prd_off])
 				+ QLCNIC_UNI_BIOS_VERSION_OFF));
 
-	return (bios_ver << 24) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24);
+	return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24);
 }
 
 int
@@ -858,7 +990,7 @@ qlcnic_validate_firmware(struct qlcnic_adapter *adapter)
 	u8 fw_type = adapter->fw_type;
 
 	if (fw_type == QLCNIC_UNIFIED_ROMIMAGE) {
-		if (qlcnic_set_product_offs(adapter))
+		if (qlcnic_validate_unified_romimage(adapter))
 			return -EINVAL;
 
 		min_size = QLCNIC_UNI_FW_MIN_SIZE;
@@ -1114,8 +1246,10 @@ qlcnic_alloc_rx_skb(struct qlcnic_adapter *adapter,
 	struct pci_dev *pdev = adapter->pdev;
 
 	buffer->skb = dev_alloc_skb(rds_ring->skb_size);
-	if (!buffer->skb)
+	if (!buffer->skb) {
+		adapter->stats.skb_alloc_failure++;
 		return -ENOMEM;
+	}
 
 	skb = buffer->skb;
 
@@ -1289,7 +1423,7 @@ qlcnic_process_lro(struct qlcnic_adapter *adapter,
 	netif_receive_skb(skb);
 
 	adapter->stats.lro_pkts++;
-	adapter->stats.rxbytes += length;
+	adapter->stats.lrobytes += length;
 
 	return buffer;
 }
@@ -1505,6 +1639,8 @@ qlcnic_process_rcv_diag(struct qlcnic_adapter *adapter,
 		adapter->diag_cnt++;
 
 	dev_kfree_skb_any(skb);
+	adapter->stats.rx_pkts++;
+	adapter->stats.rxbytes += length;
 
 	return buffer;
 }
diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index 665e8e56b6a8..fc721564e69e 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -118,6 +118,7 @@ qlcnic_update_cmd_producer(struct qlcnic_adapter *adapter,
 	if (qlcnic_tx_avail(tx_ring) <= TX_STOP_THRESH) {
 		netif_stop_queue(adapter->netdev);
 		smp_mb();
+		adapter->stats.xmit_off++;
 	}
 }
 
@@ -1385,6 +1386,7 @@ qlcnic_tso_check(struct net_device *netdev,
 	int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
 	struct cmd_desc_type0 *hwdesc;
 	struct vlan_ethhdr *vh;
+	struct qlcnic_adapter *adapter = netdev_priv(netdev);
 
 	if (protocol == cpu_to_be16(ETH_P_8021Q)) {
 
@@ -1494,6 +1496,7 @@ qlcnic_tso_check(struct net_device *netdev,
 
 	tx_ring->producer = producer;
 	barrier();
+	adapter->stats.lso_frames++;
 }
 
 static int
@@ -1573,6 +1576,7 @@ qlcnic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
 
 	if (unlikely(no_of_desc + 2 > qlcnic_tx_avail(tx_ring))) {
 		netif_stop_queue(netdev);
+		adapter->stats.xmit_off++;
 		return NETDEV_TX_BUSY;
 	}
 
@@ -1880,6 +1884,7 @@ static int qlcnic_process_cmd_ring(struct qlcnic_adapter *adapter)
 			if (qlcnic_tx_avail(tx_ring) > TX_STOP_THRESH) {
 				netif_wake_queue(netdev);
 				adapter->tx_timeo_cnt = 0;
+				adapter->stats.xmit_on++;
 			}
 			__netif_tx_unlock(tx_ring->txq);
 		}
diff --git a/drivers/net/qlge/qlge_ethtool.c b/drivers/net/qlge/qlge_ethtool.c
index 05b8bde9980d..7dbff87480dc 100644
--- a/drivers/net/qlge/qlge_ethtool.c
+++ b/drivers/net/qlge/qlge_ethtool.c
@@ -405,7 +405,7 @@ static int ql_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol)
 		u32 wol = 0;
 		status = ql_mb_wol_mode(qdev, wol);
 		netif_err(qdev, drv, qdev->ndev, "WOL %s (wol code 0x%x)\n",
-			  status == 0 ? "cleared sucessfully" : "clear failed",
+			  status == 0 ? "cleared successfully" : "clear failed",
 			  wol);
 	}
 
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c
index c26ec5d740f6..fd34f266c0a8 100644
--- a/drivers/net/qlge/qlge_main.c
+++ b/drivers/net/qlge/qlge_main.c
@@ -3855,7 +3855,7 @@ int ql_wol(struct ql_adapter *qdev)
 		status = ql_mb_wol_mode(qdev, wol);
 		netif_err(qdev, drv, qdev->ndev,
 			  "WOL %s (wol code 0x%x) on %s\n",
-			  (status == 0) ? "Sucessfully set" : "Failed",
+			  (status == 0) ? "Successfully set" : "Failed",
 			  wol, qdev->ndev->name);
 	}
 
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index dfc3573c91bb..96740051cdcc 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -186,8 +186,13 @@ static DEFINE_PCI_DEVICE_TABLE(rtl8169_pci_tbl) = {
 
 MODULE_DEVICE_TABLE(pci, rtl8169_pci_tbl);
 
-static int rx_copybreak = 200;
-static int use_dac = -1;
+/*
+ * we set our copybreak very high so that we don't have
+ * to allocate 16k frames all the time (see note in
+ * rtl8169_open()
+ */
+static int rx_copybreak = 16383;
+static int use_dac;
 static struct {
 	u32 msg_enable;
 } debug = { -1 };
@@ -511,8 +516,7 @@ MODULE_DESCRIPTION("RealTek RTL-8169 Gigabit Ethernet driver");
 module_param(rx_copybreak, int, 0);
 MODULE_PARM_DESC(rx_copybreak, "Copy breakpoint for copy-only-tiny-frames");
 module_param(use_dac, int, 0);
-MODULE_PARM_DESC(use_dac, "Enable PCI DAC. -1 defaults on for PCI Express only."
-" Unsafe on 32 bit PCI slot.");
+MODULE_PARM_DESC(use_dac, "Enable PCI DAC. Unsafe on 32 bit PCI slot.");
 module_param_named(debug, debug.msg_enable, int, 0);
 MODULE_PARM_DESC(debug, "Debug verbosity level (0=none, ..., 16=all)");
 MODULE_LICENSE("GPL");
@@ -2821,8 +2825,8 @@ static void rtl_rar_set(struct rtl8169_private *tp, u8 *addr)
 	spin_lock_irq(&tp->lock);
 
 	RTL_W8(Cfg9346, Cfg9346_Unlock);
-	RTL_W32(MAC0, low);
 	RTL_W32(MAC4, high);
+	RTL_W32(MAC0, low);
 	RTL_W8(Cfg9346, Cfg9346_Lock);
 
 	spin_unlock_irq(&tp->lock);
@@ -2974,7 +2978,6 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	void __iomem *ioaddr;
 	unsigned int i;
 	int rc;
-	int this_use_dac = use_dac;
 
 	if (netif_msg_drv(&debug)) {
 		printk(KERN_INFO "%s Gigabit Ethernet driver %s loaded\n",
@@ -3040,17 +3043,8 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 
 	tp->cp_cmd = PCIMulRW | RxChkSum;
 
-	tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
-	if (!tp->pcie_cap)
-		netif_info(tp, probe, dev, "no PCI Express capability\n");
-
-	if (this_use_dac < 0)
-		this_use_dac = tp->pcie_cap != 0;
-
 	if ((sizeof(dma_addr_t) > 4) &&
-	    this_use_dac &&
-	    !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
-		netif_info(tp, probe, dev, "using 64-bit DMA\n");
+	    !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) && use_dac) {
 		tp->cp_cmd |= PCIDAC;
 		dev->features |= NETIF_F_HIGHDMA;
 	} else {
@@ -3069,6 +3063,10 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto err_out_free_res_4;
 	}
 
+	tp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP);
+	if (!tp->pcie_cap)
+		netif_info(tp, probe, dev, "no PCI Express capability\n");
+
 	RTL_W16(IntrMask, 0x0000);
 
 	/* Soft reset the chip. */
@@ -3224,9 +3222,13 @@ static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
 }
 
 static void rtl8169_set_rxbufsize(struct rtl8169_private *tp,
-				  struct net_device *dev)
+				  unsigned int mtu)
 {
-	unsigned int max_frame = dev->mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;
+	unsigned int max_frame = mtu + VLAN_ETH_HLEN + ETH_FCS_LEN;
+
+	if (max_frame != 16383)
+		printk(KERN_WARNING "WARNING! Changing of MTU on this NIC"
+			"May lead to frame reception errors!\n");
 
 	tp->rx_buf_sz = (max_frame > RX_BUF_SIZE) ? max_frame : RX_BUF_SIZE;
 }
@@ -3238,7 +3240,17 @@ static int rtl8169_open(struct net_device *dev)
 	int retval = -ENOMEM;
 
 
-	rtl8169_set_rxbufsize(tp, dev);
+	/*
+	 * Note that we use a magic value here, its wierd I know
+	 * its done because, some subset of rtl8169 hardware suffers from
+	 * a problem in which frames received that are longer than
+	 * the size set in RxMaxSize register return garbage sizes
+	 * when received.  To avoid this we need to turn off filtering,
+	 * which is done by setting a value of 16383 in the RxMaxSize register
+	 * and allocating 16k frames to handle the largest possible rx value
+	 * thats what the magic math below does.
+	 */
+	rtl8169_set_rxbufsize(tp, 16383 - VLAN_ETH_HLEN - ETH_FCS_LEN);
 
 	/*
 	 * Rx and Tx desscriptors needs 256 bytes alignment.
@@ -3891,7 +3903,7 @@ static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
 
 	rtl8169_down(dev);
 
-	rtl8169_set_rxbufsize(tp, dev);
+	rtl8169_set_rxbufsize(tp, dev->mtu);
 
 	ret = rtl8169_init_ring(dev);
 	if (ret < 0)
@@ -4270,7 +4282,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb,
 
 	tp->cur_tx += frags + 1;
 
-	smp_wmb();
+	wmb();
 
 	RTL_W8(TxPoll, NPQ);	/* set polling bit */
 
@@ -4621,7 +4633,7 @@ static int rtl8169_poll(struct napi_struct *napi, int budget)
 		 * until it does.
 		 */
 		tp->intr_mask = 0xffff;
-		smp_wmb();
+		wmb();
 		RTL_W16(IntrMask, tp->intr_event);
 	}
 
@@ -4754,8 +4766,8 @@ static void rtl_set_rx_mode(struct net_device *dev)
 		mc_filter[1] = swab32(data);
 	}
 
-	RTL_W32(MAR0 + 0, mc_filter[0]);
 	RTL_W32(MAR0 + 4, mc_filter[1]);
+	RTL_W32(MAR0 + 0, mc_filter[0]);
 
 	RTL_W32(RxConfig, tmp);
 
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 43bc66aa8405..2eb7f8a0d926 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -923,8 +923,8 @@ static int init_shared_mem(struct s2io_nic *nic)
 	tmp_v_addr = mac_control->stats_mem;
 	mac_control->stats_info = (struct stat_block *)tmp_v_addr;
 	memset(tmp_v_addr, 0, size);
-	DBG_PRINT(INIT_DBG, "%s: Ring Mem PHY: 0x%llx\n", dev->name,
-		  (unsigned long long)tmp_p_addr);
+	DBG_PRINT(INIT_DBG, "%s: Ring Mem PHY: 0x%llx\n",
+		dev_name(&nic->pdev->dev), (unsigned long long)tmp_p_addr);
 	mac_control->stats_info->sw_stat.mem_allocated += mem_allocated;
 	return SUCCESS;
 }
@@ -3480,7 +3480,7 @@ static void s2io_reset(struct s2io_nic *sp)
 	struct swStat *swstats;
 
 	DBG_PRINT(INIT_DBG, "%s: Resetting XFrame card %s\n",
-		  __func__, sp->dev->name);
+		  __func__, pci_name(sp->pdev));
 
 	/* Back up  the PCI-X CMD reg, dont want to lose MMRBC, OST settings */
 	pci_read_config_word(sp->pdev, PCIX_COMMAND_REGISTER, &(pci_cmd));
@@ -5819,10 +5819,8 @@ static void s2io_vpd_read(struct s2io_nic *nic)
 		}
 	}
 
-	if ((!fail) && (vpd_data[1] < VPD_STRING_LEN)) {
-		memset(nic->product_name, 0, vpd_data[1]);
+	if ((!fail) && (vpd_data[1] < VPD_STRING_LEN))
 		memcpy(nic->product_name, &vpd_data[3], vpd_data[1]);
-	}
 	kfree(vpd_data);
 	swstats->mem_freed += 256;
 }
diff --git a/drivers/net/sfc/regs.h b/drivers/net/sfc/regs.h
index 89d606fe9248..18a3be428348 100644
--- a/drivers/net/sfc/regs.h
+++ b/drivers/net/sfc/regs.h
@@ -95,7 +95,7 @@
 #define	FRF_AA_INT_ACK_KER_FIELD_LBN 0
 #define	FRF_AA_INT_ACK_KER_FIELD_WIDTH 32
 
-/* INT_ISR0_REG: Function 0 Interrupt Acknowlege Status register */
+/* INT_ISR0_REG: Function 0 Interrupt Acknowledge Status register */
 #define	FR_BZ_INT_ISR0 0x00000090
 #define	FRF_BZ_INT_ISR_REG_LBN 0
 #define	FRF_BZ_INT_ISR_REG_WIDTH 64
diff --git a/drivers/net/skfp/ess.c b/drivers/net/skfp/ess.c
index a85efcfd9d0e..e8387d25f24a 100644
--- a/drivers/net/skfp/ess.c
+++ b/drivers/net/skfp/ess.c
@@ -557,7 +557,7 @@ static void ess_send_alc_req(struct s_smc *smc)
 
 	/*
 	 * send never allocation request where the requested payload and
-	 * overhead is zero or deallocate bandwidht when no bandwidth is
+	 * overhead is zero or deallocate bandwidth when no bandwidth is
 	 * parsed
 	 */
 	if (!smc->mib.fddiESSPayload) {
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 653bdd76ef46..d8ec4c11fd49 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -4863,6 +4863,7 @@ static int sky2_resume(struct pci_dev *pdev)
 	if (!hw)
 		return 0;
 
+	rtnl_lock();
 	err = pci_set_power_state(pdev, PCI_D0);
 	if (err)
 		goto out;
@@ -4884,7 +4885,6 @@ static int sky2_resume(struct pci_dev *pdev)
 	sky2_write32(hw, B0_IMSK, Y2_IS_BASE);
 	napi_enable(&hw->napi);
 
-	rtnl_lock();
 	for (i = 0; i < hw->ports; i++) {
 		err = sky2_reattach(hw->dev[i]);
 		if (err)
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
index 54799544bda3..8d2772cc42f2 100644
--- a/drivers/net/smc91x.h
+++ b/drivers/net/smc91x.h
@@ -330,6 +330,48 @@ static inline void LPD7_SMC_outsw (unsigned char* a, int r,
 
 #include <unit/smc91111.h>
 
+#elif defined(CONFIG_ARCH_MSM)
+
+#define SMC_CAN_USE_8BIT	0
+#define SMC_CAN_USE_16BIT	1
+#define SMC_CAN_USE_32BIT	0
+#define SMC_NOWAIT		1
+
+#define SMC_inw(a, r)		readw((a) + (r))
+#define SMC_outw(v, a, r)	writew(v, (a) + (r))
+#define SMC_insw(a, r, p, l)	readsw((a) + (r), p, l)
+#define SMC_outsw(a, r, p, l)	writesw((a) + (r), p, l)
+
+#define SMC_IRQ_FLAGS		IRQF_TRIGGER_HIGH
+
+#elif defined(CONFIG_COLDFIRE)
+
+#define SMC_CAN_USE_8BIT	0
+#define SMC_CAN_USE_16BIT	1
+#define SMC_CAN_USE_32BIT	0
+#define SMC_NOWAIT		1
+
+static inline void mcf_insw(void *a, unsigned char *p, int l)
+{
+	u16 *wp = (u16 *) p;
+	while (l-- > 0)
+		*wp++ = readw(a);
+}
+
+static inline void mcf_outsw(void *a, unsigned char *p, int l)
+{
+	u16 *wp = (u16 *) p;
+	while (l-- > 0)
+		writew(*wp++, a);
+}
+
+#define SMC_inw(a, r)		_swapw(readw((a) + (r)))
+#define SMC_outw(v, a, r)	writew(_swapw(v), (a) + (r))
+#define SMC_insw(a, r, p, l)	mcf_insw(a + r, p, l)
+#define SMC_outsw(a, r, p, l)	mcf_outsw(a + r, p, l)
+
+#define SMC_IRQ_FLAGS		(IRQF_DISABLED)
+
 #else
 
 /*
diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c
index 30110a11d737..34fa10d8ad40 100644
--- a/drivers/net/smsc9420.c
+++ b/drivers/net/smsc9420.c
@@ -1347,7 +1347,7 @@ static int smsc9420_open(struct net_device *dev)
 
 	netif_carrier_off(dev);
 
-	/* disable, mask and acknowlege all interrupts */
+	/* disable, mask and acknowledge all interrupts */
 	spin_lock_irqsave(&pd->int_lock, flags);
 	int_cfg = smsc9420_reg_read(pd, INT_CFG) & (~INT_CFG_IRQ_EN_);
 	smsc9420_reg_write(pd, INT_CFG, int_cfg);
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index 2f8a8c32021e..5ba9d989f8fc 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -474,7 +474,7 @@ spider_net_prepare_rx_descr(struct spider_net_card *card,
  * spider_net_enable_rxchtails - sets RX dmac chain tail addresses
  * @card: card structure
  *
- * spider_net_enable_rxchtails sets the RX DMAC chain tail adresses in the
+ * spider_net_enable_rxchtails sets the RX DMAC chain tail addresses in the
  * chip by writing to the appropriate register. DMA is enabled in
  * spider_net_enable_rxdmac.
  */
@@ -1820,7 +1820,7 @@ spider_net_enable_card(struct spider_net_card *card)
 
 	spider_net_write_reg(card, SPIDER_NET_ECMODE, SPIDER_NET_ECMODE_VALUE);
 
-	/* set chain tail adress for RX chains and
+	/* set chain tail address for RX chains and
 	 * enable DMA */
 	spider_net_enable_rxchtails(card);
 	spider_net_enable_rxdmac(card);
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index 4344017bfaef..70196bc5fe61 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -782,7 +782,7 @@ static int gem_rx(struct gem *gp, int work_to_do)
 			break;
 
 		/* When writing back RX descriptor, GEM writes status
-		 * then buffer address, possibly in seperate transactions.
+		 * then buffer address, possibly in separate transactions.
 		 * If we don't wait for the chip to write both, we could
 		 * post a new buffer to this descriptor then have GEM spam
 		 * on the buffer address.  We sync on the RX completion
diff --git a/drivers/net/tehuti.c b/drivers/net/tehuti.c
index 0c9780217c87..f5493092521a 100644
--- a/drivers/net/tehuti.c
+++ b/drivers/net/tehuti.c
@@ -1851,7 +1851,7 @@ static void bdx_tx_push_desc(struct bdx_priv *priv, void *data, int size)
  * @data - desc's data
  * @size - desc's size
  *
- * NOTE: this func does check for available space and, if neccessary, waits for
+ * NOTE: this func does check for available space and, if necessary, waits for
  *   NIC to read existing data before writing new one.
  */
 static void bdx_tx_push_desc_safe(struct bdx_priv *priv, void *data, int size)
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 0fa7688ab483..22cf1c446de3 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -5279,7 +5279,7 @@ static void tg3_poll_controller(struct net_device *dev)
 	struct tg3 *tp = netdev_priv(dev);
 
 	for (i = 0; i < tp->irq_cnt; i++)
-		tg3_interrupt(tp->napi[i].irq_vec, dev);
+		tg3_interrupt(tp->napi[i].irq_vec, &tp->napi[i]);
 }
 #endif
 
@@ -9776,7 +9776,7 @@ static int tg3_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 			   ADVERTISED_Pause |
 			   ADVERTISED_Asym_Pause;
 
-		if (!(tp->tg3_flags2 & TG3_FLAG_10_100_ONLY))
+		if (!(tp->tg3_flags & TG3_FLAG_10_100_ONLY))
 			mask |= ADVERTISED_1000baseT_Half |
 				ADVERTISED_1000baseT_Full;
 
diff --git a/drivers/net/tokenring/tms380tr.c b/drivers/net/tokenring/tms380tr.c
index 21a01753312a..ee71bcfb3753 100644
--- a/drivers/net/tokenring/tms380tr.c
+++ b/drivers/net/tokenring/tms380tr.c
@@ -693,7 +693,7 @@ static netdev_tx_t tms380tr_hardware_send_packet(struct sk_buff *skb,
  * NOTE: This function should be used whenever the status of any TPL must be
  * modified by the driver, because the compiler may otherwise change the
  * order of instructions such that writing the TPL status may be executed at
- * an undesireable time. When this function is used, the status is always
+ * an undesirable time. When this function is used, the status is always
  * written when the function is called.
  */
 static void tms380tr_write_tpl_status(TPL *tpl, unsigned int Status)
@@ -2264,7 +2264,7 @@ static void tms380tr_rcv_status_irq(struct net_device *dev)
  * This function should be used whenever the status of any RPL must be
  * modified by the driver, because the compiler may otherwise change the
  * order of instructions such that writing the RPL status may be executed
- * at an undesireable time. When this function is used, the status is
+ * at an undesirable time. When this function is used, the status is
  * always written when the function is called.
  */
 static void tms380tr_write_rpl_status(RPL *rpl, unsigned int Status)
diff --git a/drivers/net/tulip/eeprom.c b/drivers/net/tulip/eeprom.c
index 93f4e8309f81..49f05d1431f5 100644
--- a/drivers/net/tulip/eeprom.c
+++ b/drivers/net/tulip/eeprom.c
@@ -143,6 +143,12 @@ static void __devinit tulip_build_fake_mediatable(struct tulip_private *tp)
 
 void __devinit tulip_parse_eeprom(struct net_device *dev)
 {
+	/*
+	  dev is not registered at this point, so logging messages can't
+	  use dev_<level> or netdev_<level> but dev->name is good via a
+	  hack in the caller
+	*/
+
 	/* The last media info list parsed, for multiport boards.  */
 	static struct mediatable *last_mediatable;
 	static unsigned char *last_ee_data;
@@ -161,15 +167,14 @@ void __devinit tulip_parse_eeprom(struct net_device *dev)
 		if (ee_data[0] == 0xff) {
 			if (last_mediatable) {
 				controller_index++;
-				dev_info(&dev->dev,
-					 "Controller %d of multiport board\n",
-					 controller_index);
+				pr_info("%s: Controller %d of multiport board\n",
+					dev->name, controller_index);
 				tp->mtable = last_mediatable;
 				ee_data = last_ee_data;
 				goto subsequent_board;
 			} else
-				dev_info(&dev->dev,
-					 "Missing EEPROM, this interface may not work correctly!\n");
+				pr_info("%s: Missing EEPROM, this interface may not work correctly!\n",
+					dev->name);
 			return;
 		}
 	  /* Do a fix-up based on the vendor half of the station address prefix. */
@@ -181,15 +186,14 @@ void __devinit tulip_parse_eeprom(struct net_device *dev)
 			  i++;			/* An Accton EN1207, not an outlaw Maxtech. */
 		  memcpy(ee_data + 26, eeprom_fixups[i].newtable,
 				 sizeof(eeprom_fixups[i].newtable));
-		  dev_info(&dev->dev,
-			   "Old format EEPROM on '%s' board.  Using substitute media control info\n",
-			   eeprom_fixups[i].name);
+		  pr_info("%s: Old format EEPROM on '%s' board.  Using substitute media control info\n",
+			  dev->name, eeprom_fixups[i].name);
 		  break;
 		}
 	  }
 	  if (eeprom_fixups[i].name == NULL) { /* No fixup found. */
-		  dev_info(&dev->dev,
-			   "Old style EEPROM with no media selection information\n");
+		  pr_info("%s: Old style EEPROM with no media selection information\n",
+			  dev->name);
 		return;
 	  }
 	}
@@ -217,8 +221,8 @@ subsequent_board:
 	        /* there is no phy information, don't even try to build mtable */
 	        if (count == 0) {
 			if (tulip_debug > 0)
-				dev_warn(&dev->dev,
-					 "no phy info, aborting mtable build\n");
+				pr_warning("%s: no phy info, aborting mtable build\n",
+					   dev->name);
 		        return;
 		}
 
@@ -234,8 +238,10 @@ subsequent_board:
 		mtable->has_nonmii = mtable->has_mii = mtable->has_reset = 0;
 		mtable->csr15dir = mtable->csr15val = 0;
 
-		dev_info(&dev->dev, "EEPROM default media type %s\n",
-			 media & 0x0800 ? "Autosense" : medianame[media & MEDIA_MASK]);
+		pr_info("%s: EEPROM default media type %s\n",
+			dev->name,
+			media & 0x0800 ? "Autosense"
+				       : medianame[media & MEDIA_MASK]);
 		for (i = 0; i < count; i++) {
 			struct medialeaf *leaf = &mtable->mleaf[i];
 
@@ -298,17 +304,17 @@ subsequent_board:
 			}
 			if (tulip_debug > 1  &&  leaf->media == 11) {
 				unsigned char *bp = leaf->leafdata;
-				dev_info(&dev->dev,
-					 "MII interface PHY %d, setup/reset sequences %d/%d long, capabilities %02x %02x\n",
-					 bp[0], bp[1], bp[2 + bp[1]*2],
-					 bp[5 + bp[2 + bp[1]*2]*2],
-					 bp[4 + bp[2 + bp[1]*2]*2]);
+				pr_info("%s: MII interface PHY %d, setup/reset sequences %d/%d long, capabilities %02x %02x\n",
+					dev->name,
+					bp[0], bp[1], bp[2 + bp[1]*2],
+					bp[5 + bp[2 + bp[1]*2]*2],
+					bp[4 + bp[2 + bp[1]*2]*2]);
 			}
-			dev_info(&dev->dev,
-				 "Index #%d - Media %s (#%d) described by a %s (%d) block\n",
-				 i, medianame[leaf->media & 15], leaf->media,
-				 leaf->type < ARRAY_SIZE(block_name) ? block_name[leaf->type] : "<unknown>",
-				 leaf->type);
+			pr_info("%s: Index #%d - Media %s (#%d) described by a %s (%d) block\n",
+				dev->name,
+				i, medianame[leaf->media & 15], leaf->media,
+				leaf->type < ARRAY_SIZE(block_name) ? block_name[leaf->type] : "<unknown>",
+				leaf->type);
 		}
 		if (new_advertise)
 			tp->sym_advertise = new_advertise;
diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c
index 0ab05af237e5..a4f09d490531 100644
--- a/drivers/net/tulip/uli526x.c
+++ b/drivers/net/tulip/uli526x.c
@@ -851,13 +851,15 @@ static void uli526x_rx_packet(struct net_device *dev, struct uli526x_board_info
 
 			if ( !(rdes0 & 0x8000) ||
 				((db->cr6_data & CR6_PM) && (rxlen>6)) ) {
+				struct sk_buff *new_skb = NULL;
+
 				skb = rxptr->rx_skb_ptr;
 
 				/* Good packet, send to upper layer */
 				/* Shorst packet used new SKB */
-				if ( (rxlen < RX_COPY_SIZE) &&
-					( (skb = dev_alloc_skb(rxlen + 2) )
-					!= NULL) ) {
+				if ((rxlen < RX_COPY_SIZE) &&
+				    (((new_skb = dev_alloc_skb(rxlen + 2)) != NULL))) {
+					skb = new_skb;
 					/* size less than COPY_SIZE, allocate a rxlen SKB */
 					skb_reserve(skb, 2); /* 16byte align */
 					memcpy(skb_put(skb, rxlen),
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index ce1efa4c0b0d..96c39bddc78c 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -1437,7 +1437,7 @@ static int tun_chr_close(struct inode *inode, struct file *file)
 
 		__tun_detach(tun);
 
-		/* If desireable, unregister the netdevice. */
+		/* If desirable, unregister the netdevice. */
 		if (!(tun->flags & TUN_PERSIST)) {
 			rtnl_lock();
 			if (dev->reg_state == NETREG_REGISTERED)
diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c
index e3ddcb8f29df..cd24e5f2b2a2 100644
--- a/drivers/net/typhoon.c
+++ b/drivers/net/typhoon.c
@@ -480,7 +480,7 @@ typhoon_hello(struct typhoon *tp)
 		typhoon_inc_cmd_index(&ring->lastWrite, 1);
 
 		INIT_COMMAND_NO_RESPONSE(cmd, TYPHOON_CMD_HELLO_RESP);
-		smp_wmb();
+		wmb();
 		iowrite32(ring->lastWrite, tp->ioaddr + TYPHOON_REG_CMD_READY);
 		spin_unlock(&tp->command_lock);
 	}
@@ -1311,13 +1311,15 @@ typhoon_init_interface(struct typhoon *tp)
 
 	tp->txlo_dma_addr = le32_to_cpu(iface->txLoAddr);
 	tp->card_state = Sleeping;
-	smp_wmb();
 
 	tp->offload = TYPHOON_OFFLOAD_IP_CHKSUM | TYPHOON_OFFLOAD_TCP_CHKSUM;
 	tp->offload |= TYPHOON_OFFLOAD_UDP_CHKSUM | TSO_OFFLOAD_ON;
 
 	spin_lock_init(&tp->command_lock);
 	spin_lock_init(&tp->state_lock);
+
+	/* Force the writes to the shared memory area out before continuing. */
+	wmb();
 }
 
 static void
@@ -2096,7 +2098,7 @@ typhoon_tx_timeout(struct net_device *dev)
 
 	if(typhoon_reset(tp->ioaddr, WaitNoSleep) < 0) {
 		netdev_warn(dev, "could not reset in tx timeout\n");
-		goto truely_dead;
+		goto truly_dead;
 	}
 
 	/* If we ever start using the Hi ring, it will need cleaning too */
@@ -2105,13 +2107,13 @@ typhoon_tx_timeout(struct net_device *dev)
 
 	if(typhoon_start_runtime(tp) < 0) {
 		netdev_err(dev, "could not start runtime in tx timeout\n");
-		goto truely_dead;
+		goto truly_dead;
         }
 
 	netif_wake_queue(dev);
 	return;
 
-truely_dead:
+truly_dead:
 	/* Reset the hardware, and turn off carrier to avoid more timeouts */
 	typhoon_reset(tp->ioaddr, NoWait);
 	netif_carrier_off(dev);
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index 23a97518bc1f..1b0aef37e495 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -430,7 +430,7 @@ static void hw_add_addr_in_hash(struct ucc_geth_private *ugeth,
 	    ucc_fast_get_qe_cr_subblock(ugeth->ug_info->uf_info.ucc_num);
 
 	/* Ethernet frames are defined in Little Endian mode,
-	therefor to insert */
+	therefore to insert */
 	/* the address to the hash (Big Endian mode), we reverse the bytes.*/
 
 	set_mac_addr(&p_82xx_addr_filt->taddr.h, p_enet_addr);
diff --git a/drivers/net/usb/Kconfig b/drivers/net/usb/Kconfig
index 32d93564a74d..ba56ce4382d9 100644
--- a/drivers/net/usb/Kconfig
+++ b/drivers/net/usb/Kconfig
@@ -204,6 +204,14 @@ config USB_NET_DM9601
 	  This option adds support for Davicom DM9601 based USB 1.1
 	  10/100 Ethernet adapters.
 
+config USB_NET_SMSC75XX
+	tristate "SMSC LAN75XX based USB 2.0 gigabit ethernet devices"
+	depends on USB_USBNET
+	select CRC32
+	help
+	  This option adds support for SMSC LAN95XX based USB 2.0
+	  Gigabit Ethernet adapters.
+
 config USB_NET_SMSC95XX
 	tristate "SMSC LAN95XX based USB 2.0 10/100 ethernet devices"
 	depends on USB_USBNET
diff --git a/drivers/net/usb/Makefile b/drivers/net/usb/Makefile
index e17afb78f372..82ea62955b56 100644
--- a/drivers/net/usb/Makefile
+++ b/drivers/net/usb/Makefile
@@ -11,6 +11,7 @@ obj-$(CONFIG_USB_NET_AX8817X)	+= asix.o
 obj-$(CONFIG_USB_NET_CDCETHER)	+= cdc_ether.o
 obj-$(CONFIG_USB_NET_CDC_EEM)	+= cdc_eem.o
 obj-$(CONFIG_USB_NET_DM9601)	+= dm9601.o
+obj-$(CONFIG_USB_NET_SMSC75XX)	+= smsc75xx.o
 obj-$(CONFIG_USB_NET_SMSC95XX)	+= smsc95xx.o
 obj-$(CONFIG_USB_NET_GL620A)	+= gl620a.o
 obj-$(CONFIG_USB_NET_NET1080)	+= net1080.o
diff --git a/drivers/net/usb/asix.c b/drivers/net/usb/asix.c
index 20e34608fa4a..9e05639435f2 100644
--- a/drivers/net/usb/asix.c
+++ b/drivers/net/usb/asix.c
@@ -54,6 +54,7 @@ static const char driver_name [] = "asix";
 #define AX_CMD_WRITE_IPG0		0x12
 #define AX_CMD_WRITE_IPG1		0x13
 #define AX_CMD_READ_NODE_ID		0x13
+#define AX_CMD_WRITE_NODE_ID		0x14
 #define AX_CMD_WRITE_IPG2		0x14
 #define AX_CMD_WRITE_MULTI_FILTER	0x16
 #define AX88172_CMD_READ_NODE_ID	0x17
@@ -165,6 +166,7 @@ static const char driver_name [] = "asix";
 /* This structure cannot exceed sizeof(unsigned long [5]) AKA 20 bytes */
 struct asix_data {
 	u8 multi_filter[AX_MCAST_FILTER_SIZE];
+	u8 mac_addr[ETH_ALEN];
 	u8 phymode;
 	u8 ledmode;
 	u8 eeprom_len;
@@ -732,6 +734,30 @@ static int asix_ioctl (struct net_device *net, struct ifreq *rq, int cmd)
 	return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
 }
 
+static int asix_set_mac_address(struct net_device *net, void *p)
+{
+	struct usbnet *dev = netdev_priv(net);
+	struct asix_data *data = (struct asix_data *)&dev->data;
+	struct sockaddr *addr = p;
+
+	if (netif_running(net))
+		return -EBUSY;
+	if (!is_valid_ether_addr(addr->sa_data))
+		return -EADDRNOTAVAIL;
+
+	memcpy(net->dev_addr, addr->sa_data, ETH_ALEN);
+
+	/* We use the 20 byte dev->data
+	 * for our 6 byte mac buffer
+	 * to avoid allocating memory that
+	 * is tricky to free later */
+	memcpy(data->mac_addr, addr->sa_data, ETH_ALEN);
+	asix_write_cmd_async(dev, AX_CMD_WRITE_NODE_ID, 0, 0, ETH_ALEN,
+							data->mac_addr);
+
+	return 0;
+}
+
 /* We need to override some ethtool_ops so we require our
    own structure so we don't interfere with other usbnet
    devices that may be connected at the same time. */
@@ -919,7 +945,7 @@ static const struct net_device_ops ax88772_netdev_ops = {
 	.ndo_start_xmit		= usbnet_start_xmit,
 	.ndo_tx_timeout		= usbnet_tx_timeout,
 	.ndo_change_mtu		= usbnet_change_mtu,
-	.ndo_set_mac_address 	= eth_mac_addr,
+	.ndo_set_mac_address 	= asix_set_mac_address,
 	.ndo_validate_addr	= eth_validate_addr,
 	.ndo_do_ioctl		= asix_ioctl,
 	.ndo_set_multicast_list = asix_set_multicast,
@@ -1213,7 +1239,7 @@ static const struct net_device_ops ax88178_netdev_ops = {
 	.ndo_stop		= usbnet_stop,
 	.ndo_start_xmit		= usbnet_start_xmit,
 	.ndo_tx_timeout		= usbnet_tx_timeout,
-	.ndo_set_mac_address 	= eth_mac_addr,
+	.ndo_set_mac_address 	= asix_set_mac_address,
 	.ndo_validate_addr	= eth_validate_addr,
 	.ndo_set_multicast_list = asix_set_multicast,
 	.ndo_do_ioctl 		= asix_ioctl,
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index 6895f1531238..be0cc99e881a 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -1155,9 +1155,6 @@ static void _hso_serial_set_termios(struct tty_struct *tty,
 static void hso_resubmit_rx_bulk_urb(struct hso_serial *serial, struct urb *urb)
 {
 	int result;
-#ifdef CONFIG_HSO_AUTOPM
-	usb_mark_last_busy(urb->dev);
-#endif
 	/* We are done with this URB, resubmit it. Prep the USB to wait for
 	 * another frame */
 	usb_fill_bulk_urb(urb, serial->parent->usb,
diff --git a/drivers/net/usb/pegasus.h b/drivers/net/usb/pegasus.h
index 5d02f0200737..b90d8766ab74 100644
--- a/drivers/net/usb/pegasus.h
+++ b/drivers/net/usb/pegasus.h
@@ -177,7 +177,7 @@ PEGASUS_DEV( "USB 10/100 Fast Ethernet", VENDOR_ABOCOM, 0x400c,
 PEGASUS_DEV( "USB 10/100 Fast Ethernet", VENDOR_ABOCOM, 0xabc1,
 		DEFAULT_GPIO_RESET )
 PEGASUS_DEV( "USB 10/100 Fast Ethernet", VENDOR_ABOCOM, 0x200c,
-		DEFAULT_GPIO_RESET | PEGASUS_II ) 	
+		DEFAULT_GPIO_RESET | PEGASUS_II )
 PEGASUS_DEV( "Accton USB 10/100 Ethernet Adapter", VENDOR_ACCTON, 0x1046,
 		DEFAULT_GPIO_RESET )
 PEGASUS_DEV( "SpeedStream USB 10/100 Ethernet", VENDOR_ACCTON, 0x5046,
@@ -208,6 +208,8 @@ PEGASUS_DEV( "Allied Telesyn Int. AT-USB100", VENDOR_ALLIEDTEL, 0xb100,
  */
 PEGASUS_DEV_CLASS( "Belkin F5D5050 USB Ethernet", VENDOR_BELKIN, 0x0121, 0x00,
 		DEFAULT_GPIO_RESET | PEGASUS_II )
+PEGASUS_DEV( "Belkin F5U122 10/100 USB Ethernet", VENDOR_BELKIN, 0x0122,
+		DEFAULT_GPIO_RESET | PEGASUS_II )
 PEGASUS_DEV( "Billionton USB-100", VENDOR_BILLIONTON, 0x0986,
 		DEFAULT_GPIO_RESET )
 PEGASUS_DEV( "Billionton USBLP-100", VENDOR_BILLIONTON, 0x0987,
@@ -249,7 +251,7 @@ PEGASUS_DEV( "GIGABYTE GN-BR402W Wireless Router", VENDOR_GIGABYTE, 0x8002,
 PEGASUS_DEV( "Hawking UF100 10/100 Ethernet", VENDOR_HAWKING, 0x400c,
 		DEFAULT_GPIO_RESET | PEGASUS_II )
 PEGASUS_DEV( "HP hn210c Ethernet USB", VENDOR_HP, 0x811c,
-		DEFAULT_GPIO_RESET | PEGASUS_II )	
+		DEFAULT_GPIO_RESET | PEGASUS_II )
 PEGASUS_DEV( "IO DATA USB ET/TX", VENDOR_IODATA, 0x0904,
 		DEFAULT_GPIO_RESET )
 PEGASUS_DEV( "IO DATA USB ET/TX-S", VENDOR_IODATA, 0x0913,
diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c
new file mode 100644
index 000000000000..300e3e764fa2
--- /dev/null
+++ b/drivers/net/usb/smsc75xx.c
@@ -0,0 +1,1288 @@
+ /***************************************************************************
+ *
+ * Copyright (C) 2007-2010 SMSC
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ *****************************************************************************/
+
+#include <linux/module.h>
+#include <linux/kmod.h>
+#include <linux/init.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/mii.h>
+#include <linux/usb.h>
+#include <linux/crc32.h>
+#include <linux/usb/usbnet.h>
+#include "smsc75xx.h"
+
+#define SMSC_CHIPNAME			"smsc75xx"
+#define SMSC_DRIVER_VERSION		"1.0.0"
+#define HS_USB_PKT_SIZE			(512)
+#define FS_USB_PKT_SIZE			(64)
+#define DEFAULT_HS_BURST_CAP_SIZE	(16 * 1024 + 5 * HS_USB_PKT_SIZE)
+#define DEFAULT_FS_BURST_CAP_SIZE	(6 * 1024 + 33 * FS_USB_PKT_SIZE)
+#define DEFAULT_BULK_IN_DELAY		(0x00002000)
+#define MAX_SINGLE_PACKET_SIZE		(9000)
+#define LAN75XX_EEPROM_MAGIC		(0x7500)
+#define EEPROM_MAC_OFFSET		(0x01)
+#define DEFAULT_TX_CSUM_ENABLE		(true)
+#define DEFAULT_RX_CSUM_ENABLE		(true)
+#define DEFAULT_TSO_ENABLE		(true)
+#define SMSC75XX_INTERNAL_PHY_ID	(1)
+#define SMSC75XX_TX_OVERHEAD		(8)
+#define MAX_RX_FIFO_SIZE		(20 * 1024)
+#define MAX_TX_FIFO_SIZE		(12 * 1024)
+#define USB_VENDOR_ID_SMSC		(0x0424)
+#define USB_PRODUCT_ID_LAN7500		(0x7500)
+#define USB_PRODUCT_ID_LAN7505		(0x7505)
+
+#define check_warn(ret, fmt, args...) \
+	({ if (ret < 0) netdev_warn(dev->net, fmt, ##args); })
+
+#define check_warn_return(ret, fmt, args...) \
+	({ if (ret < 0) { netdev_warn(dev->net, fmt, ##args); return ret; } })
+
+#define check_warn_goto_done(ret, fmt, args...) \
+	({ if (ret < 0) { netdev_warn(dev->net, fmt, ##args); goto done; } })
+
+struct smsc75xx_priv {
+	struct usbnet *dev;
+	u32 rfe_ctl;
+	u32 multicast_hash_table[DP_SEL_VHF_HASH_LEN];
+	bool use_rx_csum;
+	struct mutex dataport_mutex;
+	spinlock_t rfe_ctl_lock;
+	struct work_struct set_multicast;
+};
+
+struct usb_context {
+	struct usb_ctrlrequest req;
+	struct usbnet *dev;
+};
+
+static int turbo_mode = true;
+module_param(turbo_mode, bool, 0644);
+MODULE_PARM_DESC(turbo_mode, "Enable multiple frames per Rx transaction");
+
+static int __must_check smsc75xx_read_reg(struct usbnet *dev, u32 index,
+					  u32 *data)
+{
+	u32 *buf = kmalloc(4, GFP_KERNEL);
+	int ret;
+
+	BUG_ON(!dev);
+
+	if (!buf)
+		return -ENOMEM;
+
+	ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),
+		USB_VENDOR_REQUEST_READ_REGISTER,
+		USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+		00, index, buf, 4, USB_CTRL_GET_TIMEOUT);
+
+	if (unlikely(ret < 0))
+		netdev_warn(dev->net,
+			"Failed to read register index 0x%08x", index);
+
+	le32_to_cpus(buf);
+	*data = *buf;
+	kfree(buf);
+
+	return ret;
+}
+
+static int __must_check smsc75xx_write_reg(struct usbnet *dev, u32 index,
+					   u32 data)
+{
+	u32 *buf = kmalloc(4, GFP_KERNEL);
+	int ret;
+
+	BUG_ON(!dev);
+
+	if (!buf)
+		return -ENOMEM;
+
+	*buf = data;
+	cpu_to_le32s(buf);
+
+	ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
+		USB_VENDOR_REQUEST_WRITE_REGISTER,
+		USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+		00, index, buf, 4, USB_CTRL_SET_TIMEOUT);
+
+	if (unlikely(ret < 0))
+		netdev_warn(dev->net,
+			"Failed to write register index 0x%08x", index);
+
+	kfree(buf);
+
+	return ret;
+}
+
+/* Loop until the read is completed with timeout
+ * called with phy_mutex held */
+static int smsc75xx_phy_wait_not_busy(struct usbnet *dev)
+{
+	unsigned long start_time = jiffies;
+	u32 val;
+	int ret;
+
+	do {
+		ret = smsc75xx_read_reg(dev, MII_ACCESS, &val);
+		check_warn_return(ret, "Error reading MII_ACCESS");
+
+		if (!(val & MII_ACCESS_BUSY))
+			return 0;
+	} while (!time_after(jiffies, start_time + HZ));
+
+	return -EIO;
+}
+
+static int smsc75xx_mdio_read(struct net_device *netdev, int phy_id, int idx)
+{
+	struct usbnet *dev = netdev_priv(netdev);
+	u32 val, addr;
+	int ret;
+
+	mutex_lock(&dev->phy_mutex);
+
+	/* confirm MII not busy */
+	ret = smsc75xx_phy_wait_not_busy(dev);
+	check_warn_goto_done(ret, "MII is busy in smsc75xx_mdio_read");
+
+	/* set the address, index & direction (read from PHY) */
+	phy_id &= dev->mii.phy_id_mask;
+	idx &= dev->mii.reg_num_mask;
+	addr = ((phy_id << MII_ACCESS_PHY_ADDR_SHIFT) & MII_ACCESS_PHY_ADDR)
+		| ((idx << MII_ACCESS_REG_ADDR_SHIFT) & MII_ACCESS_REG_ADDR)
+		| MII_ACCESS_READ;
+	ret = smsc75xx_write_reg(dev, MII_ACCESS, addr);
+	check_warn_goto_done(ret, "Error writing MII_ACCESS");
+
+	ret = smsc75xx_phy_wait_not_busy(dev);
+	check_warn_goto_done(ret, "Timed out reading MII reg %02X", idx);
+
+	ret = smsc75xx_read_reg(dev, MII_DATA, &val);
+	check_warn_goto_done(ret, "Error reading MII_DATA");
+
+	ret = (u16)(val & 0xFFFF);
+
+done:
+	mutex_unlock(&dev->phy_mutex);
+	return ret;
+}
+
+static void smsc75xx_mdio_write(struct net_device *netdev, int phy_id, int idx,
+				int regval)
+{
+	struct usbnet *dev = netdev_priv(netdev);
+	u32 val, addr;
+	int ret;
+
+	mutex_lock(&dev->phy_mutex);
+
+	/* confirm MII not busy */
+	ret = smsc75xx_phy_wait_not_busy(dev);
+	check_warn_goto_done(ret, "MII is busy in smsc75xx_mdio_write");
+
+	val = regval;
+	ret = smsc75xx_write_reg(dev, MII_DATA, val);
+	check_warn_goto_done(ret, "Error writing MII_DATA");
+
+	/* set the address, index & direction (write to PHY) */
+	phy_id &= dev->mii.phy_id_mask;
+	idx &= dev->mii.reg_num_mask;
+	addr = ((phy_id << MII_ACCESS_PHY_ADDR_SHIFT) & MII_ACCESS_PHY_ADDR)
+		| ((idx << MII_ACCESS_REG_ADDR_SHIFT) & MII_ACCESS_REG_ADDR)
+		| MII_ACCESS_WRITE;
+	ret = smsc75xx_write_reg(dev, MII_ACCESS, addr);
+	check_warn_goto_done(ret, "Error writing MII_ACCESS");
+
+	ret = smsc75xx_phy_wait_not_busy(dev);
+	check_warn_goto_done(ret, "Timed out writing MII reg %02X", idx);
+
+done:
+	mutex_unlock(&dev->phy_mutex);
+}
+
+static int smsc75xx_wait_eeprom(struct usbnet *dev)
+{
+	unsigned long start_time = jiffies;
+	u32 val;
+	int ret;
+
+	do {
+		ret = smsc75xx_read_reg(dev, E2P_CMD, &val);
+		check_warn_return(ret, "Error reading E2P_CMD");
+
+		if (!(val & E2P_CMD_BUSY) || (val & E2P_CMD_TIMEOUT))
+			break;
+		udelay(40);
+	} while (!time_after(jiffies, start_time + HZ));
+
+	if (val & (E2P_CMD_TIMEOUT | E2P_CMD_BUSY)) {
+		netdev_warn(dev->net, "EEPROM read operation timeout");
+		return -EIO;
+	}
+
+	return 0;
+}
+
+static int smsc75xx_eeprom_confirm_not_busy(struct usbnet *dev)
+{
+	unsigned long start_time = jiffies;
+	u32 val;
+	int ret;
+
+	do {
+		ret = smsc75xx_read_reg(dev, E2P_CMD, &val);
+		check_warn_return(ret, "Error reading E2P_CMD");
+
+		if (!(val & E2P_CMD_BUSY))
+			return 0;
+
+		udelay(40);
+	} while (!time_after(jiffies, start_time + HZ));
+
+	netdev_warn(dev->net, "EEPROM is busy");
+	return -EIO;
+}
+
+static int smsc75xx_read_eeprom(struct usbnet *dev, u32 offset, u32 length,
+				u8 *data)
+{
+	u32 val;
+	int i, ret;
+
+	BUG_ON(!dev);
+	BUG_ON(!data);
+
+	ret = smsc75xx_eeprom_confirm_not_busy(dev);
+	if (ret)
+		return ret;
+
+	for (i = 0; i < length; i++) {
+		val = E2P_CMD_BUSY | E2P_CMD_READ | (offset & E2P_CMD_ADDR);
+		ret = smsc75xx_write_reg(dev, E2P_CMD, val);
+		check_warn_return(ret, "Error writing E2P_CMD");
+
+		ret = smsc75xx_wait_eeprom(dev);
+		if (ret < 0)
+			return ret;
+
+		ret = smsc75xx_read_reg(dev, E2P_DATA, &val);
+		check_warn_return(ret, "Error reading E2P_DATA");
+
+		data[i] = val & 0xFF;
+		offset++;
+	}
+
+	return 0;
+}
+
+static int smsc75xx_write_eeprom(struct usbnet *dev, u32 offset, u32 length,
+				 u8 *data)
+{
+	u32 val;
+	int i, ret;
+
+	BUG_ON(!dev);
+	BUG_ON(!data);
+
+	ret = smsc75xx_eeprom_confirm_not_busy(dev);
+	if (ret)
+		return ret;
+
+	/* Issue write/erase enable command */
+	val = E2P_CMD_BUSY | E2P_CMD_EWEN;
+	ret = smsc75xx_write_reg(dev, E2P_CMD, val);
+	check_warn_return(ret, "Error writing E2P_CMD");
+
+	ret = smsc75xx_wait_eeprom(dev);
+	if (ret < 0)
+		return ret;
+
+	for (i = 0; i < length; i++) {
+
+		/* Fill data register */
+		val = data[i];
+		ret = smsc75xx_write_reg(dev, E2P_DATA, val);
+		check_warn_return(ret, "Error writing E2P_DATA");
+
+		/* Send "write" command */
+		val = E2P_CMD_BUSY | E2P_CMD_WRITE | (offset & E2P_CMD_ADDR);
+		ret = smsc75xx_write_reg(dev, E2P_CMD, val);
+		check_warn_return(ret, "Error writing E2P_CMD");
+
+		ret = smsc75xx_wait_eeprom(dev);
+		if (ret < 0)
+			return ret;
+
+		offset++;
+	}
+
+	return 0;
+}
+
+static int smsc75xx_dataport_wait_not_busy(struct usbnet *dev)
+{
+	int i, ret;
+
+	for (i = 0; i < 100; i++) {
+		u32 dp_sel;
+		ret = smsc75xx_read_reg(dev, DP_SEL, &dp_sel);
+		check_warn_return(ret, "Error reading DP_SEL");
+
+		if (dp_sel & DP_SEL_DPRDY)
+			return 0;
+
+		udelay(40);
+	}
+
+	netdev_warn(dev->net, "smsc75xx_dataport_wait_not_busy timed out");
+
+	return -EIO;
+}
+
+static int smsc75xx_dataport_write(struct usbnet *dev, u32 ram_select, u32 addr,
+				   u32 length, u32 *buf)
+{
+	struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+	u32 dp_sel;
+	int i, ret;
+
+	mutex_lock(&pdata->dataport_mutex);
+
+	ret = smsc75xx_dataport_wait_not_busy(dev);
+	check_warn_goto_done(ret, "smsc75xx_dataport_write busy on entry");
+
+	ret = smsc75xx_read_reg(dev, DP_SEL, &dp_sel);
+	check_warn_goto_done(ret, "Error reading DP_SEL");
+
+	dp_sel &= ~DP_SEL_RSEL;
+	dp_sel |= ram_select;
+	ret = smsc75xx_write_reg(dev, DP_SEL, dp_sel);
+	check_warn_goto_done(ret, "Error writing DP_SEL");
+
+	for (i = 0; i < length; i++) {
+		ret = smsc75xx_write_reg(dev, DP_ADDR, addr + i);
+		check_warn_goto_done(ret, "Error writing DP_ADDR");
+
+		ret = smsc75xx_write_reg(dev, DP_DATA, buf[i]);
+		check_warn_goto_done(ret, "Error writing DP_DATA");
+
+		ret = smsc75xx_write_reg(dev, DP_CMD, DP_CMD_WRITE);
+		check_warn_goto_done(ret, "Error writing DP_CMD");
+
+		ret = smsc75xx_dataport_wait_not_busy(dev);
+		check_warn_goto_done(ret, "smsc75xx_dataport_write timeout");
+	}
+
+done:
+	mutex_unlock(&pdata->dataport_mutex);
+	return ret;
+}
+
+/* returns hash bit number for given MAC address */
+static u32 smsc75xx_hash(char addr[ETH_ALEN])
+{
+	return (ether_crc(ETH_ALEN, addr) >> 23) & 0x1ff;
+}
+
+static void smsc75xx_deferred_multicast_write(struct work_struct *param)
+{
+	struct smsc75xx_priv *pdata =
+		container_of(param, struct smsc75xx_priv, set_multicast);
+	struct usbnet *dev = pdata->dev;
+	int ret;
+
+	netif_dbg(dev, drv, dev->net, "deferred multicast write 0x%08x",
+		pdata->rfe_ctl);
+
+	smsc75xx_dataport_write(dev, DP_SEL_VHF, DP_SEL_VHF_VLAN_LEN,
+		DP_SEL_VHF_HASH_LEN, pdata->multicast_hash_table);
+
+	ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl);
+	check_warn(ret, "Error writing RFE_CRL");
+}
+
+static void smsc75xx_set_multicast(struct net_device *netdev)
+{
+	struct usbnet *dev = netdev_priv(netdev);
+	struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+	unsigned long flags;
+	int i;
+
+	spin_lock_irqsave(&pdata->rfe_ctl_lock, flags);
+
+	pdata->rfe_ctl &=
+		~(RFE_CTL_AU | RFE_CTL_AM | RFE_CTL_DPF | RFE_CTL_MHF);
+	pdata->rfe_ctl |= RFE_CTL_AB;
+
+	for (i = 0; i < DP_SEL_VHF_HASH_LEN; i++)
+		pdata->multicast_hash_table[i] = 0;
+
+	if (dev->net->flags & IFF_PROMISC) {
+		netif_dbg(dev, drv, dev->net, "promiscuous mode enabled");
+		pdata->rfe_ctl |= RFE_CTL_AM | RFE_CTL_AU;
+	} else if (dev->net->flags & IFF_ALLMULTI) {
+		netif_dbg(dev, drv, dev->net, "receive all multicast enabled");
+		pdata->rfe_ctl |= RFE_CTL_AM | RFE_CTL_DPF;
+	} else if (!netdev_mc_empty(dev->net)) {
+		struct dev_mc_list *mc_list;
+
+		netif_dbg(dev, drv, dev->net, "receive multicast hash filter");
+
+		pdata->rfe_ctl |= RFE_CTL_MHF | RFE_CTL_DPF;
+
+		netdev_for_each_mc_addr(mc_list, netdev) {
+			u32 bitnum = smsc75xx_hash(mc_list->dmi_addr);
+			pdata->multicast_hash_table[bitnum / 32] |=
+				(1 << (bitnum % 32));
+		}
+	} else {
+		netif_dbg(dev, drv, dev->net, "receive own packets only");
+		pdata->rfe_ctl |= RFE_CTL_DPF;
+	}
+
+	spin_unlock_irqrestore(&pdata->rfe_ctl_lock, flags);
+
+	/* defer register writes to a sleepable context */
+	schedule_work(&pdata->set_multicast);
+}
+
+static int smsc75xx_update_flowcontrol(struct usbnet *dev, u8 duplex,
+					    u16 lcladv, u16 rmtadv)
+{
+	u32 flow = 0, fct_flow = 0;
+	int ret;
+
+	if (duplex == DUPLEX_FULL) {
+		u8 cap = mii_resolve_flowctrl_fdx(lcladv, rmtadv);
+
+		if (cap & FLOW_CTRL_TX) {
+			flow = (FLOW_TX_FCEN | 0xFFFF);
+			/* set fct_flow thresholds to 20% and 80% */
+			fct_flow = (8 << 8) | 32;
+		}
+
+		if (cap & FLOW_CTRL_RX)
+			flow |= FLOW_RX_FCEN;
+
+		netif_dbg(dev, link, dev->net, "rx pause %s, tx pause %s",
+			(cap & FLOW_CTRL_RX ? "enabled" : "disabled"),
+			(cap & FLOW_CTRL_TX ? "enabled" : "disabled"));
+	} else {
+		netif_dbg(dev, link, dev->net, "half duplex");
+	}
+
+	ret = smsc75xx_write_reg(dev, FLOW, flow);
+	check_warn_return(ret, "Error writing FLOW");
+
+	ret = smsc75xx_write_reg(dev, FCT_FLOW, fct_flow);
+	check_warn_return(ret, "Error writing FCT_FLOW");
+
+	return 0;
+}
+
+static int smsc75xx_link_reset(struct usbnet *dev)
+{
+	struct mii_if_info *mii = &dev->mii;
+	struct ethtool_cmd ecmd;
+	u16 lcladv, rmtadv;
+	int ret;
+
+	/* clear interrupt status */
+	ret = smsc75xx_mdio_read(dev->net, mii->phy_id, PHY_INT_SRC);
+	check_warn_return(ret, "Error reading PHY_INT_SRC");
+
+	ret = smsc75xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL);
+	check_warn_return(ret, "Error writing INT_STS");
+
+	mii_check_media(mii, 1, 1);
+	mii_ethtool_gset(&dev->mii, &ecmd);
+	lcladv = smsc75xx_mdio_read(dev->net, mii->phy_id, MII_ADVERTISE);
+	rmtadv = smsc75xx_mdio_read(dev->net, mii->phy_id, MII_LPA);
+
+	netif_dbg(dev, link, dev->net, "speed: %d duplex: %d lcladv: %04x"
+		" rmtadv: %04x", ecmd.speed, ecmd.duplex, lcladv, rmtadv);
+
+	return smsc75xx_update_flowcontrol(dev, ecmd.duplex, lcladv, rmtadv);
+}
+
+static void smsc75xx_status(struct usbnet *dev, struct urb *urb)
+{
+	u32 intdata;
+
+	if (urb->actual_length != 4) {
+		netdev_warn(dev->net,
+			"unexpected urb length %d", urb->actual_length);
+		return;
+	}
+
+	memcpy(&intdata, urb->transfer_buffer, 4);
+	le32_to_cpus(&intdata);
+
+	netif_dbg(dev, link, dev->net, "intdata: 0x%08X", intdata);
+
+	if (intdata & INT_ENP_PHY_INT)
+		usbnet_defer_kevent(dev, EVENT_LINK_RESET);
+	else
+		netdev_warn(dev->net,
+			"unexpected interrupt, intdata=0x%08X", intdata);
+}
+
+/* Enable or disable Rx checksum offload engine */
+static int smsc75xx_set_rx_csum_offload(struct usbnet *dev)
+{
+	struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+	unsigned long flags;
+	int ret;
+
+	spin_lock_irqsave(&pdata->rfe_ctl_lock, flags);
+
+	if (pdata->use_rx_csum)
+		pdata->rfe_ctl |= RFE_CTL_TCPUDP_CKM | RFE_CTL_IP_CKM;
+	else
+		pdata->rfe_ctl &= ~(RFE_CTL_TCPUDP_CKM | RFE_CTL_IP_CKM);
+
+	spin_unlock_irqrestore(&pdata->rfe_ctl_lock, flags);
+
+	ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl);
+	check_warn_return(ret, "Error writing RFE_CTL");
+
+	return 0;
+}
+
+static int smsc75xx_ethtool_get_eeprom_len(struct net_device *net)
+{
+	return MAX_EEPROM_SIZE;
+}
+
+static int smsc75xx_ethtool_get_eeprom(struct net_device *netdev,
+				       struct ethtool_eeprom *ee, u8 *data)
+{
+	struct usbnet *dev = netdev_priv(netdev);
+
+	ee->magic = LAN75XX_EEPROM_MAGIC;
+
+	return smsc75xx_read_eeprom(dev, ee->offset, ee->len, data);
+}
+
+static int smsc75xx_ethtool_set_eeprom(struct net_device *netdev,
+				       struct ethtool_eeprom *ee, u8 *data)
+{
+	struct usbnet *dev = netdev_priv(netdev);
+
+	if (ee->magic != LAN75XX_EEPROM_MAGIC) {
+		netdev_warn(dev->net,
+			"EEPROM: magic value mismatch: 0x%x", ee->magic);
+		return -EINVAL;
+	}
+
+	return smsc75xx_write_eeprom(dev, ee->offset, ee->len, data);
+}
+
+static u32 smsc75xx_ethtool_get_rx_csum(struct net_device *netdev)
+{
+	struct usbnet *dev = netdev_priv(netdev);
+	struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+
+	return pdata->use_rx_csum;
+}
+
+static int smsc75xx_ethtool_set_rx_csum(struct net_device *netdev, u32 val)
+{
+	struct usbnet *dev = netdev_priv(netdev);
+	struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+
+	pdata->use_rx_csum = !!val;
+
+	return smsc75xx_set_rx_csum_offload(dev);
+}
+
+static int smsc75xx_ethtool_set_tso(struct net_device *netdev, u32 data)
+{
+	if (data)
+		netdev->features |= NETIF_F_TSO | NETIF_F_TSO6;
+	else
+		netdev->features &= ~(NETIF_F_TSO | NETIF_F_TSO6);
+
+	return 0;
+}
+
+static const struct ethtool_ops smsc75xx_ethtool_ops = {
+	.get_link	= usbnet_get_link,
+	.nway_reset	= usbnet_nway_reset,
+	.get_drvinfo	= usbnet_get_drvinfo,
+	.get_msglevel	= usbnet_get_msglevel,
+	.set_msglevel	= usbnet_set_msglevel,
+	.get_settings	= usbnet_get_settings,
+	.set_settings	= usbnet_set_settings,
+	.get_eeprom_len	= smsc75xx_ethtool_get_eeprom_len,
+	.get_eeprom	= smsc75xx_ethtool_get_eeprom,
+	.set_eeprom	= smsc75xx_ethtool_set_eeprom,
+	.get_tx_csum	= ethtool_op_get_tx_csum,
+	.set_tx_csum	= ethtool_op_set_tx_hw_csum,
+	.get_rx_csum	= smsc75xx_ethtool_get_rx_csum,
+	.set_rx_csum	= smsc75xx_ethtool_set_rx_csum,
+	.get_tso	= ethtool_op_get_tso,
+	.set_tso	= smsc75xx_ethtool_set_tso,
+};
+
+static int smsc75xx_ioctl(struct net_device *netdev, struct ifreq *rq, int cmd)
+{
+	struct usbnet *dev = netdev_priv(netdev);
+
+	if (!netif_running(netdev))
+		return -EINVAL;
+
+	return generic_mii_ioctl(&dev->mii, if_mii(rq), cmd, NULL);
+}
+
+static void smsc75xx_init_mac_address(struct usbnet *dev)
+{
+	/* try reading mac address from EEPROM */
+	if (smsc75xx_read_eeprom(dev, EEPROM_MAC_OFFSET, ETH_ALEN,
+			dev->net->dev_addr) == 0) {
+		if (is_valid_ether_addr(dev->net->dev_addr)) {
+			/* eeprom values are valid so use them */
+			netif_dbg(dev, ifup, dev->net,
+				"MAC address read from EEPROM");
+			return;
+		}
+	}
+
+	/* no eeprom, or eeprom values are invalid. generate random MAC */
+	random_ether_addr(dev->net->dev_addr);
+	netif_dbg(dev, ifup, dev->net, "MAC address set to random_ether_addr");
+}
+
+static int smsc75xx_set_mac_address(struct usbnet *dev)
+{
+	u32 addr_lo = dev->net->dev_addr[0] | dev->net->dev_addr[1] << 8 |
+		dev->net->dev_addr[2] << 16 | dev->net->dev_addr[3] << 24;
+	u32 addr_hi = dev->net->dev_addr[4] | dev->net->dev_addr[5] << 8;
+
+	int ret = smsc75xx_write_reg(dev, RX_ADDRH, addr_hi);
+	check_warn_return(ret, "Failed to write RX_ADDRH: %d", ret);
+
+	ret = smsc75xx_write_reg(dev, RX_ADDRL, addr_lo);
+	check_warn_return(ret, "Failed to write RX_ADDRL: %d", ret);
+
+	addr_hi |= ADDR_FILTX_FB_VALID;
+	ret = smsc75xx_write_reg(dev, ADDR_FILTX, addr_hi);
+	check_warn_return(ret, "Failed to write ADDR_FILTX: %d", ret);
+
+	ret = smsc75xx_write_reg(dev, ADDR_FILTX + 4, addr_lo);
+	check_warn_return(ret, "Failed to write ADDR_FILTX+4: %d", ret);
+
+	return 0;
+}
+
+static int smsc75xx_phy_initialize(struct usbnet *dev)
+{
+	int bmcr, timeout = 0;
+
+	/* Initialize MII structure */
+	dev->mii.dev = dev->net;
+	dev->mii.mdio_read = smsc75xx_mdio_read;
+	dev->mii.mdio_write = smsc75xx_mdio_write;
+	dev->mii.phy_id_mask = 0x1f;
+	dev->mii.reg_num_mask = 0x1f;
+	dev->mii.phy_id = SMSC75XX_INTERNAL_PHY_ID;
+
+	/* reset phy and wait for reset to complete */
+	smsc75xx_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
+
+	do {
+		msleep(10);
+		bmcr = smsc75xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR);
+		check_warn_return(bmcr, "Error reading MII_BMCR");
+		timeout++;
+	} while ((bmcr & MII_BMCR) && (timeout < 100));
+
+	if (timeout >= 100) {
+		netdev_warn(dev->net, "timeout on PHY Reset");
+		return -EIO;
+	}
+
+	smsc75xx_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
+		ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP |
+		ADVERTISE_PAUSE_ASYM);
+
+	/* read to clear */
+	smsc75xx_mdio_read(dev->net, dev->mii.phy_id, PHY_INT_SRC);
+	check_warn_return(bmcr, "Error reading PHY_INT_SRC");
+
+	smsc75xx_mdio_write(dev->net, dev->mii.phy_id, PHY_INT_MASK,
+		PHY_INT_MASK_DEFAULT);
+	mii_nway_restart(&dev->mii);
+
+	netif_dbg(dev, ifup, dev->net, "phy initialised successfully");
+	return 0;
+}
+
+static int smsc75xx_set_rx_max_frame_length(struct usbnet *dev, int size)
+{
+	int ret = 0;
+	u32 buf;
+	bool rxenabled;
+
+	ret = smsc75xx_read_reg(dev, MAC_RX, &buf);
+	check_warn_return(ret, "Failed to read MAC_RX: %d", ret);
+
+	rxenabled = ((buf & MAC_RX_RXEN) != 0);
+
+	if (rxenabled) {
+		buf &= ~MAC_RX_RXEN;
+		ret = smsc75xx_write_reg(dev, MAC_RX, buf);
+		check_warn_return(ret, "Failed to write MAC_RX: %d", ret);
+	}
+
+	/* add 4 to size for FCS */
+	buf &= ~MAC_RX_MAX_SIZE;
+	buf |= (((size + 4) << MAC_RX_MAX_SIZE_SHIFT) & MAC_RX_MAX_SIZE);
+
+	ret = smsc75xx_write_reg(dev, MAC_RX, buf);
+	check_warn_return(ret, "Failed to write MAC_RX: %d", ret);
+
+	if (rxenabled) {
+		buf |= MAC_RX_RXEN;
+		ret = smsc75xx_write_reg(dev, MAC_RX, buf);
+		check_warn_return(ret, "Failed to write MAC_RX: %d", ret);
+	}
+
+	return 0;
+}
+
+static int smsc75xx_change_mtu(struct net_device *netdev, int new_mtu)
+{
+	struct usbnet *dev = netdev_priv(netdev);
+
+	int ret = smsc75xx_set_rx_max_frame_length(dev, new_mtu);
+	check_warn_return(ret, "Failed to set mac rx frame length");
+
+	return usbnet_change_mtu(netdev, new_mtu);
+}
+
+static int smsc75xx_reset(struct usbnet *dev)
+{
+	struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+	u32 buf;
+	int ret = 0, timeout;
+
+	netif_dbg(dev, ifup, dev->net, "entering smsc75xx_reset");
+
+	ret = smsc75xx_read_reg(dev, HW_CFG, &buf);
+	check_warn_return(ret, "Failed to read HW_CFG: %d", ret);
+
+	buf |= HW_CFG_LRST;
+
+	ret = smsc75xx_write_reg(dev, HW_CFG, buf);
+	check_warn_return(ret, "Failed to write HW_CFG: %d", ret);
+
+	timeout = 0;
+	do {
+		msleep(10);
+		ret = smsc75xx_read_reg(dev, HW_CFG, &buf);
+		check_warn_return(ret, "Failed to read HW_CFG: %d", ret);
+		timeout++;
+	} while ((buf & HW_CFG_LRST) && (timeout < 100));
+
+	if (timeout >= 100) {
+		netdev_warn(dev->net, "timeout on completion of Lite Reset");
+		return -EIO;
+	}
+
+	netif_dbg(dev, ifup, dev->net, "Lite reset complete, resetting PHY");
+
+	ret = smsc75xx_read_reg(dev, PMT_CTL, &buf);
+	check_warn_return(ret, "Failed to read PMT_CTL: %d", ret);
+
+	buf |= PMT_CTL_PHY_RST;
+
+	ret = smsc75xx_write_reg(dev, PMT_CTL, buf);
+	check_warn_return(ret, "Failed to write PMT_CTL: %d", ret);
+
+	timeout = 0;
+	do {
+		msleep(10);
+		ret = smsc75xx_read_reg(dev, PMT_CTL, &buf);
+		check_warn_return(ret, "Failed to read PMT_CTL: %d", ret);
+		timeout++;
+	} while ((buf & PMT_CTL_PHY_RST) && (timeout < 100));
+
+	if (timeout >= 100) {
+		netdev_warn(dev->net, "timeout waiting for PHY Reset");
+		return -EIO;
+	}
+
+	netif_dbg(dev, ifup, dev->net, "PHY reset complete");
+
+	smsc75xx_init_mac_address(dev);
+
+	ret = smsc75xx_set_mac_address(dev);
+	check_warn_return(ret, "Failed to set mac address");
+
+	netif_dbg(dev, ifup, dev->net, "MAC Address: %pM", dev->net->dev_addr);
+
+	ret = smsc75xx_read_reg(dev, HW_CFG, &buf);
+	check_warn_return(ret, "Failed to read HW_CFG: %d", ret);
+
+	netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG : 0x%08x", buf);
+
+	buf |= HW_CFG_BIR;
+
+	ret = smsc75xx_write_reg(dev, HW_CFG, buf);
+	check_warn_return(ret, "Failed to write HW_CFG: %d", ret);
+
+	ret = smsc75xx_read_reg(dev, HW_CFG, &buf);
+	check_warn_return(ret, "Failed to read HW_CFG: %d", ret);
+
+	netif_dbg(dev, ifup, dev->net, "Read Value from HW_CFG after "
+			"writing HW_CFG_BIR: 0x%08x", buf);
+
+	if (!turbo_mode) {
+		buf = 0;
+		dev->rx_urb_size = MAX_SINGLE_PACKET_SIZE;
+	} else if (dev->udev->speed == USB_SPEED_HIGH) {
+		buf = DEFAULT_HS_BURST_CAP_SIZE / HS_USB_PKT_SIZE;
+		dev->rx_urb_size = DEFAULT_HS_BURST_CAP_SIZE;
+	} else {
+		buf = DEFAULT_FS_BURST_CAP_SIZE / FS_USB_PKT_SIZE;
+		dev->rx_urb_size = DEFAULT_FS_BURST_CAP_SIZE;
+	}
+
+	netif_dbg(dev, ifup, dev->net, "rx_urb_size=%ld",
+		(ulong)dev->rx_urb_size);
+
+	ret = smsc75xx_write_reg(dev, BURST_CAP, buf);
+	check_warn_return(ret, "Failed to write BURST_CAP: %d", ret);
+
+	ret = smsc75xx_read_reg(dev, BURST_CAP, &buf);
+	check_warn_return(ret, "Failed to read BURST_CAP: %d", ret);
+
+	netif_dbg(dev, ifup, dev->net,
+		"Read Value from BURST_CAP after writing: 0x%08x", buf);
+
+	ret = smsc75xx_write_reg(dev, BULK_IN_DLY, DEFAULT_BULK_IN_DELAY);
+	check_warn_return(ret, "Failed to write BULK_IN_DLY: %d", ret);
+
+	ret = smsc75xx_read_reg(dev, BULK_IN_DLY, &buf);
+	check_warn_return(ret, "Failed to read BULK_IN_DLY: %d", ret);
+
+	netif_dbg(dev, ifup, dev->net,
+		"Read Value from BULK_IN_DLY after writing: 0x%08x", buf);
+
+	if (turbo_mode) {
+		ret = smsc75xx_read_reg(dev, HW_CFG, &buf);
+		check_warn_return(ret, "Failed to read HW_CFG: %d", ret);
+
+		netif_dbg(dev, ifup, dev->net, "HW_CFG: 0x%08x", buf);
+
+		buf |= (HW_CFG_MEF | HW_CFG_BCE);
+
+		ret = smsc75xx_write_reg(dev, HW_CFG, buf);
+		check_warn_return(ret, "Failed to write HW_CFG: %d", ret);
+
+		ret = smsc75xx_read_reg(dev, HW_CFG, &buf);
+		check_warn_return(ret, "Failed to read HW_CFG: %d", ret);
+
+		netif_dbg(dev, ifup, dev->net, "HW_CFG: 0x%08x", buf);
+	}
+
+	/* set FIFO sizes */
+	buf = (MAX_RX_FIFO_SIZE - 512) / 512;
+	ret = smsc75xx_write_reg(dev, FCT_RX_FIFO_END, buf);
+	check_warn_return(ret, "Failed to write FCT_RX_FIFO_END: %d", ret);
+
+	netif_dbg(dev, ifup, dev->net, "FCT_RX_FIFO_END set to 0x%08x", buf);
+
+	buf = (MAX_TX_FIFO_SIZE - 512) / 512;
+	ret = smsc75xx_write_reg(dev, FCT_TX_FIFO_END, buf);
+	check_warn_return(ret, "Failed to write FCT_TX_FIFO_END: %d", ret);
+
+	netif_dbg(dev, ifup, dev->net, "FCT_TX_FIFO_END set to 0x%08x", buf);
+
+	ret = smsc75xx_write_reg(dev, INT_STS, INT_STS_CLEAR_ALL);
+	check_warn_return(ret, "Failed to write INT_STS: %d", ret);
+
+	ret = smsc75xx_read_reg(dev, ID_REV, &buf);
+	check_warn_return(ret, "Failed to read ID_REV: %d", ret);
+
+	netif_dbg(dev, ifup, dev->net, "ID_REV = 0x%08x", buf);
+
+	/* Configure GPIO pins as LED outputs */
+	ret = smsc75xx_read_reg(dev, LED_GPIO_CFG, &buf);
+	check_warn_return(ret, "Failed to read LED_GPIO_CFG: %d", ret);
+
+	buf &= ~(LED_GPIO_CFG_LED2_FUN_SEL | LED_GPIO_CFG_LED10_FUN_SEL);
+	buf |= LED_GPIO_CFG_LEDGPIO_EN | LED_GPIO_CFG_LED2_FUN_SEL;
+
+	ret = smsc75xx_write_reg(dev, LED_GPIO_CFG, buf);
+	check_warn_return(ret, "Failed to write LED_GPIO_CFG: %d", ret);
+
+	ret = smsc75xx_write_reg(dev, FLOW, 0);
+	check_warn_return(ret, "Failed to write FLOW: %d", ret);
+
+	ret = smsc75xx_write_reg(dev, FCT_FLOW, 0);
+	check_warn_return(ret, "Failed to write FCT_FLOW: %d", ret);
+
+	/* Don't need rfe_ctl_lock during initialisation */
+	ret = smsc75xx_read_reg(dev, RFE_CTL, &pdata->rfe_ctl);
+	check_warn_return(ret, "Failed to read RFE_CTL: %d", ret);
+
+	pdata->rfe_ctl |= RFE_CTL_AB | RFE_CTL_DPF;
+
+	ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl);
+	check_warn_return(ret, "Failed to write RFE_CTL: %d", ret);
+
+	ret = smsc75xx_read_reg(dev, RFE_CTL, &pdata->rfe_ctl);
+	check_warn_return(ret, "Failed to read RFE_CTL: %d", ret);
+
+	netif_dbg(dev, ifup, dev->net, "RFE_CTL set to 0x%08x", pdata->rfe_ctl);
+
+	/* Enable or disable checksum offload engines */
+	ethtool_op_set_tx_hw_csum(dev->net, DEFAULT_TX_CSUM_ENABLE);
+	ret = smsc75xx_set_rx_csum_offload(dev);
+	check_warn_return(ret, "Failed to set rx csum offload: %d", ret);
+
+	smsc75xx_ethtool_set_tso(dev->net, DEFAULT_TSO_ENABLE);
+
+	smsc75xx_set_multicast(dev->net);
+
+	ret = smsc75xx_phy_initialize(dev);
+	check_warn_return(ret, "Failed to initialize PHY: %d", ret);
+
+	ret = smsc75xx_read_reg(dev, INT_EP_CTL, &buf);
+	check_warn_return(ret, "Failed to read INT_EP_CTL: %d", ret);
+
+	/* enable PHY interrupts */
+	buf |= INT_ENP_PHY_INT;
+
+	ret = smsc75xx_write_reg(dev, INT_EP_CTL, buf);
+	check_warn_return(ret, "Failed to write INT_EP_CTL: %d", ret);
+
+	ret = smsc75xx_read_reg(dev, MAC_TX, &buf);
+	check_warn_return(ret, "Failed to read MAC_TX: %d", ret);
+
+	buf |= MAC_TX_TXEN;
+
+	ret = smsc75xx_write_reg(dev, MAC_TX, buf);
+	check_warn_return(ret, "Failed to write MAC_TX: %d", ret);
+
+	netif_dbg(dev, ifup, dev->net, "MAC_TX set to 0x%08x", buf);
+
+	ret = smsc75xx_read_reg(dev, FCT_TX_CTL, &buf);
+	check_warn_return(ret, "Failed to read FCT_TX_CTL: %d", ret);
+
+	buf |= FCT_TX_CTL_EN;
+
+	ret = smsc75xx_write_reg(dev, FCT_TX_CTL, buf);
+	check_warn_return(ret, "Failed to write FCT_TX_CTL: %d", ret);
+
+	netif_dbg(dev, ifup, dev->net, "FCT_TX_CTL set to 0x%08x", buf);
+
+	ret = smsc75xx_set_rx_max_frame_length(dev, 1514);
+	check_warn_return(ret, "Failed to set max rx frame length");
+
+	ret = smsc75xx_read_reg(dev, MAC_RX, &buf);
+	check_warn_return(ret, "Failed to read MAC_RX: %d", ret);
+
+	buf |= MAC_RX_RXEN;
+
+	ret = smsc75xx_write_reg(dev, MAC_RX, buf);
+	check_warn_return(ret, "Failed to write MAC_RX: %d", ret);
+
+	netif_dbg(dev, ifup, dev->net, "MAC_RX set to 0x%08x", buf);
+
+	ret = smsc75xx_read_reg(dev, FCT_RX_CTL, &buf);
+	check_warn_return(ret, "Failed to read FCT_RX_CTL: %d", ret);
+
+	buf |= FCT_RX_CTL_EN;
+
+	ret = smsc75xx_write_reg(dev, FCT_RX_CTL, buf);
+	check_warn_return(ret, "Failed to write FCT_RX_CTL: %d", ret);
+
+	netif_dbg(dev, ifup, dev->net, "FCT_RX_CTL set to 0x%08x", buf);
+
+	netif_dbg(dev, ifup, dev->net, "smsc75xx_reset, return 0");
+	return 0;
+}
+
+static const struct net_device_ops smsc75xx_netdev_ops = {
+	.ndo_open		= usbnet_open,
+	.ndo_stop		= usbnet_stop,
+	.ndo_start_xmit		= usbnet_start_xmit,
+	.ndo_tx_timeout		= usbnet_tx_timeout,
+	.ndo_change_mtu		= smsc75xx_change_mtu,
+	.ndo_set_mac_address 	= eth_mac_addr,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_do_ioctl 		= smsc75xx_ioctl,
+	.ndo_set_multicast_list = smsc75xx_set_multicast,
+};
+
+static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf)
+{
+	struct smsc75xx_priv *pdata = NULL;
+	int ret;
+
+	printk(KERN_INFO SMSC_CHIPNAME " v" SMSC_DRIVER_VERSION "\n");
+
+	ret = usbnet_get_endpoints(dev, intf);
+	check_warn_return(ret, "usbnet_get_endpoints failed: %d", ret);
+
+	dev->data[0] = (unsigned long)kzalloc(sizeof(struct smsc75xx_priv),
+		GFP_KERNEL);
+
+	pdata = (struct smsc75xx_priv *)(dev->data[0]);
+	if (!pdata) {
+		netdev_warn(dev->net, "Unable to allocate smsc75xx_priv");
+		return -ENOMEM;
+	}
+
+	pdata->dev = dev;
+
+	spin_lock_init(&pdata->rfe_ctl_lock);
+	mutex_init(&pdata->dataport_mutex);
+
+	INIT_WORK(&pdata->set_multicast, smsc75xx_deferred_multicast_write);
+
+	pdata->use_rx_csum = DEFAULT_RX_CSUM_ENABLE;
+
+	/* We have to advertise SG otherwise TSO cannot be enabled */
+	dev->net->features |= NETIF_F_SG;
+
+	/* Init all registers */
+	ret = smsc75xx_reset(dev);
+
+	dev->net->netdev_ops = &smsc75xx_netdev_ops;
+	dev->net->ethtool_ops = &smsc75xx_ethtool_ops;
+	dev->net->flags |= IFF_MULTICAST;
+	dev->net->hard_header_len += SMSC75XX_TX_OVERHEAD;
+	return 0;
+}
+
+static void smsc75xx_unbind(struct usbnet *dev, struct usb_interface *intf)
+{
+	struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+	if (pdata) {
+		netif_dbg(dev, ifdown, dev->net, "free pdata");
+		kfree(pdata);
+		pdata = NULL;
+		dev->data[0] = 0;
+	}
+}
+
+static void smsc75xx_rx_csum_offload(struct sk_buff *skb, u32 rx_cmd_a,
+				     u32 rx_cmd_b)
+{
+	if (unlikely(rx_cmd_a & RX_CMD_A_LCSM)) {
+		skb->ip_summed = CHECKSUM_NONE;
+	} else {
+		skb->csum = ntohs((u16)(rx_cmd_b >> RX_CMD_B_CSUM_SHIFT));
+		skb->ip_summed = CHECKSUM_COMPLETE;
+	}
+}
+
+static int smsc75xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
+{
+	struct smsc75xx_priv *pdata = (struct smsc75xx_priv *)(dev->data[0]);
+
+	while (skb->len > 0) {
+		u32 rx_cmd_a, rx_cmd_b, align_count, size;
+		struct sk_buff *ax_skb;
+		unsigned char *packet;
+
+		memcpy(&rx_cmd_a, skb->data, sizeof(rx_cmd_a));
+		le32_to_cpus(&rx_cmd_a);
+		skb_pull(skb, 4);
+
+		memcpy(&rx_cmd_b, skb->data, sizeof(rx_cmd_b));
+		le32_to_cpus(&rx_cmd_b);
+		skb_pull(skb, 4 + NET_IP_ALIGN);
+
+		packet = skb->data;
+
+		/* get the packet length */
+		size = (rx_cmd_a & RX_CMD_A_LEN) - NET_IP_ALIGN;
+		align_count = (4 - ((size + NET_IP_ALIGN) % 4)) % 4;
+
+		if (unlikely(rx_cmd_a & RX_CMD_A_RED)) {
+			netif_dbg(dev, rx_err, dev->net,
+				"Error rx_cmd_a=0x%08x", rx_cmd_a);
+			dev->net->stats.rx_errors++;
+			dev->net->stats.rx_dropped++;
+
+			if (rx_cmd_a & RX_CMD_A_FCS)
+				dev->net->stats.rx_crc_errors++;
+			else if (rx_cmd_a & (RX_CMD_A_LONG | RX_CMD_A_RUNT))
+				dev->net->stats.rx_frame_errors++;
+		} else {
+			/* ETH_FRAME_LEN + 4(CRC) + 2(COE) + 4(Vlan) */
+			if (unlikely(size > (ETH_FRAME_LEN + 12))) {
+				netif_dbg(dev, rx_err, dev->net,
+					"size err rx_cmd_a=0x%08x", rx_cmd_a);
+				return 0;
+			}
+
+			/* last frame in this batch */
+			if (skb->len == size) {
+				if (pdata->use_rx_csum)
+					smsc75xx_rx_csum_offload(skb, rx_cmd_a,
+						rx_cmd_b);
+				else
+					skb->ip_summed = CHECKSUM_NONE;
+
+				skb_trim(skb, skb->len - 4); /* remove fcs */
+				skb->truesize = size + sizeof(struct sk_buff);
+
+				return 1;
+			}
+
+			ax_skb = skb_clone(skb, GFP_ATOMIC);
+			if (unlikely(!ax_skb)) {
+				netdev_warn(dev->net, "Error allocating skb");
+				return 0;
+			}
+
+			ax_skb->len = size;
+			ax_skb->data = packet;
+			skb_set_tail_pointer(ax_skb, size);
+
+			if (pdata->use_rx_csum)
+				smsc75xx_rx_csum_offload(ax_skb, rx_cmd_a,
+					rx_cmd_b);
+			else
+				ax_skb->ip_summed = CHECKSUM_NONE;
+
+			skb_trim(ax_skb, ax_skb->len - 4); /* remove fcs */
+			ax_skb->truesize = size + sizeof(struct sk_buff);
+
+			usbnet_skb_return(dev, ax_skb);
+		}
+
+		skb_pull(skb, size);
+
+		/* padding bytes before the next frame starts */
+		if (skb->len)
+			skb_pull(skb, align_count);
+	}
+
+	if (unlikely(skb->len < 0)) {
+		netdev_warn(dev->net, "invalid rx length<0 %d", skb->len);
+		return 0;
+	}
+
+	return 1;
+}
+
+static struct sk_buff *smsc75xx_tx_fixup(struct usbnet *dev,
+					 struct sk_buff *skb, gfp_t flags)
+{
+	u32 tx_cmd_a, tx_cmd_b;
+
+	skb_linearize(skb);
+
+	if (skb_headroom(skb) < SMSC75XX_TX_OVERHEAD) {
+		struct sk_buff *skb2 =
+			skb_copy_expand(skb, SMSC75XX_TX_OVERHEAD, 0, flags);
+		dev_kfree_skb_any(skb);
+		skb = skb2;
+		if (!skb)
+			return NULL;
+	}
+
+	tx_cmd_a = (u32)(skb->len & TX_CMD_A_LEN) | TX_CMD_A_FCS;
+
+	if (skb->ip_summed == CHECKSUM_PARTIAL)
+		tx_cmd_a |= TX_CMD_A_IPE | TX_CMD_A_TPE;
+
+	if (skb_is_gso(skb)) {
+		u16 mss = max(skb_shinfo(skb)->gso_size, TX_MSS_MIN);
+		tx_cmd_b = (mss << TX_CMD_B_MSS_SHIFT) & TX_CMD_B_MSS;
+
+		tx_cmd_a |= TX_CMD_A_LSO;
+	} else {
+		tx_cmd_b = 0;
+	}
+
+	skb_push(skb, 4);
+	cpu_to_le32s(&tx_cmd_b);
+	memcpy(skb->data, &tx_cmd_b, 4);
+
+	skb_push(skb, 4);
+	cpu_to_le32s(&tx_cmd_a);
+	memcpy(skb->data, &tx_cmd_a, 4);
+
+	return skb;
+}
+
+static const struct driver_info smsc75xx_info = {
+	.description	= "smsc75xx USB 2.0 Gigabit Ethernet",
+	.bind		= smsc75xx_bind,
+	.unbind		= smsc75xx_unbind,
+	.link_reset	= smsc75xx_link_reset,
+	.reset		= smsc75xx_reset,
+	.rx_fixup	= smsc75xx_rx_fixup,
+	.tx_fixup	= smsc75xx_tx_fixup,
+	.status		= smsc75xx_status,
+	.flags		= FLAG_ETHER | FLAG_SEND_ZLP,
+};
+
+static const struct usb_device_id products[] = {
+	{
+		/* SMSC7500 USB Gigabit Ethernet Device */
+		USB_DEVICE(USB_VENDOR_ID_SMSC, USB_PRODUCT_ID_LAN7500),
+		.driver_info = (unsigned long) &smsc75xx_info,
+	},
+	{
+		/* SMSC7500 USB Gigabit Ethernet Device */
+		USB_DEVICE(USB_VENDOR_ID_SMSC, USB_PRODUCT_ID_LAN7505),
+		.driver_info = (unsigned long) &smsc75xx_info,
+	},
+	{ },		/* END */
+};
+MODULE_DEVICE_TABLE(usb, products);
+
+static struct usb_driver smsc75xx_driver = {
+	.name		= SMSC_CHIPNAME,
+	.id_table	= products,
+	.probe		= usbnet_probe,
+	.suspend	= usbnet_suspend,
+	.resume		= usbnet_resume,
+	.disconnect	= usbnet_disconnect,
+};
+
+static int __init smsc75xx_init(void)
+{
+	return usb_register(&smsc75xx_driver);
+}
+module_init(smsc75xx_init);
+
+static void __exit smsc75xx_exit(void)
+{
+	usb_deregister(&smsc75xx_driver);
+}
+module_exit(smsc75xx_exit);
+
+MODULE_AUTHOR("Nancy Lin");
+MODULE_AUTHOR("Steve Glendinning <steve.glendinning@smsc.com>");
+MODULE_DESCRIPTION("SMSC75XX USB 2.0 Gigabit Ethernet Devices");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/usb/smsc75xx.h b/drivers/net/usb/smsc75xx.h
new file mode 100644
index 000000000000..16e98c778344
--- /dev/null
+++ b/drivers/net/usb/smsc75xx.h
@@ -0,0 +1,421 @@
+ /***************************************************************************
+ *
+ * Copyright (C) 2007-2010 SMSC
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ *****************************************************************************/
+
+#ifndef _SMSC75XX_H
+#define _SMSC75XX_H
+
+/* Tx command words */
+#define TX_CMD_A_LSO			(0x08000000)
+#define TX_CMD_A_IPE			(0x04000000)
+#define TX_CMD_A_TPE			(0x02000000)
+#define TX_CMD_A_IVTG			(0x01000000)
+#define TX_CMD_A_RVTG			(0x00800000)
+#define TX_CMD_A_FCS			(0x00400000)
+#define TX_CMD_A_LEN			(0x000FFFFF)
+
+#define TX_CMD_B_MSS			(0x3FFF0000)
+#define TX_CMD_B_MSS_SHIFT		(16)
+#define TX_MSS_MIN			((u16)8)
+#define TX_CMD_B_VTAG			(0x0000FFFF)
+
+/* Rx command words */
+#define RX_CMD_A_ICE			(0x80000000)
+#define RX_CMD_A_TCE			(0x40000000)
+#define RX_CMD_A_IPV			(0x20000000)
+#define RX_CMD_A_PID			(0x18000000)
+#define RX_CMD_A_PID_NIP		(0x00000000)
+#define RX_CMD_A_PID_TCP		(0x08000000)
+#define RX_CMD_A_PID_UDP		(0x10000000)
+#define RX_CMD_A_PID_PP			(0x18000000)
+#define RX_CMD_A_PFF			(0x04000000)
+#define RX_CMD_A_BAM			(0x02000000)
+#define RX_CMD_A_MAM			(0x01000000)
+#define RX_CMD_A_FVTG			(0x00800000)
+#define RX_CMD_A_RED			(0x00400000)
+#define RX_CMD_A_RWT			(0x00200000)
+#define RX_CMD_A_RUNT			(0x00100000)
+#define RX_CMD_A_LONG			(0x00080000)
+#define RX_CMD_A_RXE			(0x00040000)
+#define RX_CMD_A_DRB			(0x00020000)
+#define RX_CMD_A_FCS			(0x00010000)
+#define RX_CMD_A_UAM			(0x00008000)
+#define RX_CMD_A_LCSM			(0x00004000)
+#define RX_CMD_A_LEN			(0x00003FFF)
+
+#define RX_CMD_B_CSUM			(0xFFFF0000)
+#define RX_CMD_B_CSUM_SHIFT		(16)
+#define RX_CMD_B_VTAG			(0x0000FFFF)
+
+/* SCSRs */
+#define ID_REV				(0x0000)
+
+#define FPGA_REV			(0x0004)
+
+#define BOND_CTL			(0x0008)
+
+#define INT_STS				(0x000C)
+#define INT_STS_RDFO_INT		(0x00400000)
+#define INT_STS_TXE_INT			(0x00200000)
+#define INT_STS_MACRTO_INT		(0x00100000)
+#define INT_STS_TX_DIS_INT		(0x00080000)
+#define INT_STS_RX_DIS_INT		(0x00040000)
+#define INT_STS_PHY_INT_		(0x00020000)
+#define INT_STS_MAC_ERR_INT		(0x00008000)
+#define INT_STS_TDFU			(0x00004000)
+#define INT_STS_TDFO			(0x00002000)
+#define INT_STS_GPIOS			(0x00000FFF)
+#define INT_STS_CLEAR_ALL		(0xFFFFFFFF)
+
+#define HW_CFG				(0x0010)
+#define HW_CFG_SMDET_STS		(0x00008000)
+#define HW_CFG_SMDET_EN			(0x00004000)
+#define HW_CFG_EEM			(0x00002000)
+#define HW_CFG_RST_PROTECT		(0x00001000)
+#define HW_CFG_PORT_SWAP		(0x00000800)
+#define HW_CFG_PHY_BOOST		(0x00000600)
+#define HW_CFG_PHY_BOOST_NORMAL		(0x00000000)
+#define HW_CFG_PHY_BOOST_4		(0x00002000)
+#define HW_CFG_PHY_BOOST_8		(0x00004000)
+#define HW_CFG_PHY_BOOST_12		(0x00006000)
+#define HW_CFG_LEDB			(0x00000100)
+#define HW_CFG_BIR			(0x00000080)
+#define HW_CFG_SBP			(0x00000040)
+#define HW_CFG_IME			(0x00000020)
+#define HW_CFG_MEF			(0x00000010)
+#define HW_CFG_ETC			(0x00000008)
+#define HW_CFG_BCE			(0x00000004)
+#define HW_CFG_LRST			(0x00000002)
+#define HW_CFG_SRST			(0x00000001)
+
+#define PMT_CTL				(0x0014)
+#define PMT_CTL_PHY_PWRUP		(0x00000400)
+#define PMT_CTL_RES_CLR_WKP_EN		(0x00000100)
+#define PMT_CTL_DEV_RDY			(0x00000080)
+#define PMT_CTL_SUS_MODE		(0x00000060)
+#define PMT_CTL_SUS_MODE_0		(0x00000000)
+#define PMT_CTL_SUS_MODE_1		(0x00000020)
+#define PMT_CTL_SUS_MODE_2		(0x00000040)
+#define PMT_CTL_SUS_MODE_3		(0x00000060)
+#define PMT_CTL_PHY_RST			(0x00000010)
+#define PMT_CTL_WOL_EN			(0x00000008)
+#define PMT_CTL_ED_EN			(0x00000004)
+#define PMT_CTL_WUPS			(0x00000003)
+#define PMT_CTL_WUPS_NO			(0x00000000)
+#define PMT_CTL_WUPS_ED			(0x00000001)
+#define PMT_CTL_WUPS_WOL		(0x00000002)
+#define PMT_CTL_WUPS_MULTI		(0x00000003)
+
+#define LED_GPIO_CFG			(0x0018)
+#define LED_GPIO_CFG_LED2_FUN_SEL	(0x80000000)
+#define LED_GPIO_CFG_LED10_FUN_SEL	(0x40000000)
+#define LED_GPIO_CFG_LEDGPIO_EN		(0x0000F000)
+#define LED_GPIO_CFG_LEDGPIO_EN_0	(0x00001000)
+#define LED_GPIO_CFG_LEDGPIO_EN_1	(0x00002000)
+#define LED_GPIO_CFG_LEDGPIO_EN_2	(0x00004000)
+#define LED_GPIO_CFG_LEDGPIO_EN_3	(0x00008000)
+#define LED_GPIO_CFG_GPBUF		(0x00000F00)
+#define LED_GPIO_CFG_GPBUF_0		(0x00000100)
+#define LED_GPIO_CFG_GPBUF_1		(0x00000200)
+#define LED_GPIO_CFG_GPBUF_2		(0x00000400)
+#define LED_GPIO_CFG_GPBUF_3		(0x00000800)
+#define LED_GPIO_CFG_GPDIR		(0x000000F0)
+#define LED_GPIO_CFG_GPDIR_0		(0x00000010)
+#define LED_GPIO_CFG_GPDIR_1		(0x00000020)
+#define LED_GPIO_CFG_GPDIR_2		(0x00000040)
+#define LED_GPIO_CFG_GPDIR_3		(0x00000080)
+#define LED_GPIO_CFG_GPDATA		(0x0000000F)
+#define LED_GPIO_CFG_GPDATA_0		(0x00000001)
+#define LED_GPIO_CFG_GPDATA_1		(0x00000002)
+#define LED_GPIO_CFG_GPDATA_2		(0x00000004)
+#define LED_GPIO_CFG_GPDATA_3		(0x00000008)
+
+#define GPIO_CFG			(0x001C)
+#define GPIO_CFG_SHIFT			(24)
+#define GPIO_CFG_GPEN			(0xFF000000)
+#define GPIO_CFG_GPBUF			(0x00FF0000)
+#define GPIO_CFG_GPDIR			(0x0000FF00)
+#define GPIO_CFG_GPDATA			(0x000000FF)
+
+#define GPIO_WAKE			(0x0020)
+#define GPIO_WAKE_PHY_LINKUP_EN		(0x80000000)
+#define GPIO_WAKE_POL			(0x0FFF0000)
+#define GPIO_WAKE_POL_SHIFT		(16)
+#define GPIO_WAKE_WK			(0x00000FFF)
+
+#define DP_SEL				(0x0024)
+#define DP_SEL_DPRDY			(0x80000000)
+#define DP_SEL_RSEL			(0x0000000F)
+#define DP_SEL_URX			(0x00000000)
+#define DP_SEL_VHF			(0x00000001)
+#define DP_SEL_VHF_HASH_LEN		(16)
+#define DP_SEL_VHF_VLAN_LEN		(128)
+#define DP_SEL_LSO_HEAD			(0x00000002)
+#define DP_SEL_FCT_RX			(0x00000003)
+#define DP_SEL_FCT_TX			(0x00000004)
+#define DP_SEL_DESCRIPTOR		(0x00000005)
+#define DP_SEL_WOL			(0x00000006)
+
+#define DP_CMD				(0x0028)
+#define DP_CMD_WRITE			(0x01)
+#define DP_CMD_READ			(0x00)
+
+#define DP_ADDR				(0x002C)
+
+#define DP_DATA				(0x0030)
+
+#define BURST_CAP			(0x0034)
+#define BURST_CAP_MASK			(0x0000000F)
+
+#define INT_EP_CTL			(0x0038)
+#define INT_EP_CTL_INTEP_ON		(0x80000000)
+#define INT_EP_CTL_RDFO_EN		(0x00400000)
+#define INT_EP_CTL_TXE_EN		(0x00200000)
+#define INT_EP_CTL_MACROTO_EN		(0x00100000)
+#define INT_EP_CTL_TX_DIS_EN		(0x00080000)
+#define INT_EP_CTL_RX_DIS_EN		(0x00040000)
+#define INT_EP_CTL_PHY_EN_		(0x00020000)
+#define INT_EP_CTL_MAC_ERR_EN		(0x00008000)
+#define INT_EP_CTL_TDFU_EN		(0x00004000)
+#define INT_EP_CTL_TDFO_EN		(0x00002000)
+#define INT_EP_CTL_RX_FIFO_EN		(0x00001000)
+#define INT_EP_CTL_GPIOX_EN		(0x00000FFF)
+
+#define BULK_IN_DLY			(0x003C)
+#define BULK_IN_DLY_MASK		(0xFFFF)
+
+#define E2P_CMD				(0x0040)
+#define E2P_CMD_BUSY			(0x80000000)
+#define E2P_CMD_MASK			(0x70000000)
+#define E2P_CMD_READ			(0x00000000)
+#define E2P_CMD_EWDS			(0x10000000)
+#define E2P_CMD_EWEN			(0x20000000)
+#define E2P_CMD_WRITE			(0x30000000)
+#define E2P_CMD_WRAL			(0x40000000)
+#define E2P_CMD_ERASE			(0x50000000)
+#define E2P_CMD_ERAL			(0x60000000)
+#define E2P_CMD_RELOAD			(0x70000000)
+#define E2P_CMD_TIMEOUT			(0x00000400)
+#define E2P_CMD_LOADED			(0x00000200)
+#define E2P_CMD_ADDR			(0x000001FF)
+
+#define MAX_EEPROM_SIZE			(512)
+
+#define E2P_DATA			(0x0044)
+#define E2P_DATA_MASK_			(0x000000FF)
+
+#define RFE_CTL				(0x0060)
+#define RFE_CTL_TCPUDP_CKM		(0x00001000)
+#define RFE_CTL_IP_CKM			(0x00000800)
+#define RFE_CTL_AB			(0x00000400)
+#define RFE_CTL_AM			(0x00000200)
+#define RFE_CTL_AU			(0x00000100)
+#define RFE_CTL_VS			(0x00000080)
+#define RFE_CTL_UF			(0x00000040)
+#define RFE_CTL_VF			(0x00000020)
+#define RFE_CTL_SPF			(0x00000010)
+#define RFE_CTL_MHF			(0x00000008)
+#define RFE_CTL_DHF			(0x00000004)
+#define RFE_CTL_DPF			(0x00000002)
+#define RFE_CTL_RST_RF			(0x00000001)
+
+#define VLAN_TYPE			(0x0064)
+#define VLAN_TYPE_MASK			(0x0000FFFF)
+
+#define FCT_RX_CTL			(0x0090)
+#define FCT_RX_CTL_EN			(0x80000000)
+#define FCT_RX_CTL_RST			(0x40000000)
+#define FCT_RX_CTL_SBF			(0x02000000)
+#define FCT_RX_CTL_OVERFLOW		(0x01000000)
+#define FCT_RX_CTL_FRM_DROP		(0x00800000)
+#define FCT_RX_CTL_RX_NOT_EMPTY		(0x00400000)
+#define FCT_RX_CTL_RX_EMPTY		(0x00200000)
+#define FCT_RX_CTL_RX_DISABLED		(0x00100000)
+#define FCT_RX_CTL_RXUSED		(0x0000FFFF)
+
+#define FCT_TX_CTL			(0x0094)
+#define FCT_TX_CTL_EN			(0x80000000)
+#define FCT_TX_CTL_RST			(0x40000000)
+#define FCT_TX_CTL_TX_NOT_EMPTY		(0x00400000)
+#define FCT_TX_CTL_TX_EMPTY		(0x00200000)
+#define FCT_TX_CTL_TX_DISABLED		(0x00100000)
+#define FCT_TX_CTL_TXUSED		(0x0000FFFF)
+
+#define FCT_RX_FIFO_END			(0x0098)
+#define FCT_RX_FIFO_END_MASK		(0x0000007F)
+
+#define FCT_TX_FIFO_END			(0x009C)
+#define FCT_TX_FIFO_END_MASK		(0x0000003F)
+
+#define FCT_FLOW			(0x00A0)
+#define FCT_FLOW_THRESHOLD_OFF		(0x00007F00)
+#define FCT_FLOW_THRESHOLD_OFF_SHIFT	(8)
+#define FCT_FLOW_THRESHOLD_ON		(0x0000007F)
+
+/* MAC CSRs */
+#define MAC_CR				(0x100)
+#define MAC_CR_ADP			(0x00002000)
+#define MAC_CR_ADD			(0x00001000)
+#define MAC_CR_ASD			(0x00000800)
+#define MAC_CR_INT_LOOP			(0x00000400)
+#define MAC_CR_BOLMT			(0x000000C0)
+#define MAC_CR_FDPX			(0x00000008)
+#define MAC_CR_CFG			(0x00000006)
+#define MAC_CR_CFG_10			(0x00000000)
+#define MAC_CR_CFG_100			(0x00000002)
+#define MAC_CR_CFG_1000			(0x00000004)
+#define MAC_CR_RST			(0x00000001)
+
+#define MAC_RX				(0x104)
+#define MAC_RX_MAX_SIZE			(0x3FFF0000)
+#define MAC_RX_MAX_SIZE_SHIFT		(16)
+#define MAC_RX_FCS_STRIP		(0x00000010)
+#define MAC_RX_FSE			(0x00000004)
+#define MAC_RX_RXD			(0x00000002)
+#define MAC_RX_RXEN			(0x00000001)
+
+#define MAC_TX				(0x108)
+#define MAC_TX_BFCS			(0x00000004)
+#define MAC_TX_TXD			(0x00000002)
+#define MAC_TX_TXEN			(0x00000001)
+
+#define FLOW				(0x10C)
+#define FLOW_FORCE_FC			(0x80000000)
+#define FLOW_TX_FCEN			(0x40000000)
+#define FLOW_RX_FCEN			(0x20000000)
+#define FLOW_FPF			(0x10000000)
+#define FLOW_PAUSE_TIME			(0x0000FFFF)
+
+#define RAND_SEED			(0x110)
+#define RAND_SEED_MASK			(0x0000FFFF)
+
+#define ERR_STS				(0x114)
+#define ERR_STS_FCS_ERR			(0x00000100)
+#define ERR_STS_LFRM_ERR		(0x00000080)
+#define ERR_STS_RUNT_ERR		(0x00000040)
+#define ERR_STS_COLLISION_ERR		(0x00000010)
+#define ERR_STS_ALIGN_ERR		(0x00000008)
+#define ERR_STS_URUN_ERR		(0x00000004)
+
+#define RX_ADDRH			(0x118)
+#define RX_ADDRH_MASK			(0x0000FFFF)
+
+#define RX_ADDRL			(0x11C)
+
+#define MII_ACCESS			(0x120)
+#define MII_ACCESS_PHY_ADDR		(0x0000F800)
+#define MII_ACCESS_PHY_ADDR_SHIFT	(11)
+#define MII_ACCESS_REG_ADDR		(0x000007C0)
+#define MII_ACCESS_REG_ADDR_SHIFT	(6)
+#define MII_ACCESS_READ			(0x00000000)
+#define MII_ACCESS_WRITE		(0x00000002)
+#define MII_ACCESS_BUSY			(0x00000001)
+
+#define MII_DATA			(0x124)
+#define MII_DATA_MASK			(0x0000FFFF)
+
+#define WUCSR				(0x140)
+#define WUCSR_PFDA_FR			(0x00000080)
+#define WUCSR_WUFR			(0x00000040)
+#define WUCSR_MPR			(0x00000020)
+#define WUCSR_BCAST_FR			(0x00000010)
+#define WUCSR_PFDA_EN			(0x00000008)
+#define WUCSR_WUEN			(0x00000004)
+#define WUCSR_MPEN			(0x00000002)
+#define WUCSR_BCST_EN			(0x00000001)
+
+#define WUF_CFGX			(0x144)
+#define WUF_CFGX_EN			(0x80000000)
+#define WUF_CFGX_ATYPE			(0x03000000)
+#define WUF_CFGX_ATYPE_UNICAST		(0x00000000)
+#define WUF_CFGX_ATYPE_MULTICAST	(0x02000000)
+#define WUF_CFGX_ATYPE_ALL		(0x03000000)
+#define WUF_CFGX_PATTERN_OFFSET		(0x007F0000)
+#define WUF_CFGX_PATTERN_OFFSET_SHIFT	(16)
+#define WUF_CFGX_CRC16			(0x0000FFFF)
+#define WUF_NUM				(8)
+
+#define WUF_MASKX			(0x170)
+#define WUF_MASKX_AVALID		(0x80000000)
+#define WUF_MASKX_ATYPE			(0x40000000)
+
+#define ADDR_FILTX			(0x300)
+#define ADDR_FILTX_FB_VALID		(0x80000000)
+#define ADDR_FILTX_FB_TYPE		(0x40000000)
+#define ADDR_FILTX_FB_ADDRHI		(0x0000FFFF)
+#define ADDR_FILTX_SB_ADDRLO		(0xFFFFFFFF)
+
+#define WUCSR2				(0x500)
+#define WUCSR2_NS_RCD			(0x00000040)
+#define WUCSR2_ARP_RCD			(0x00000020)
+#define WUCSR2_TCPSYN_RCD		(0x00000010)
+#define WUCSR2_NS_OFFLOAD		(0x00000004)
+#define WUCSR2_ARP_OFFLOAD		(0x00000002)
+#define WUCSR2_TCPSYN_OFFLOAD		(0x00000001)
+
+#define WOL_FIFO_STS			(0x504)
+
+#define IPV6_ADDRX			(0x510)
+
+#define IPV4_ADDRX			(0x590)
+
+
+/* Vendor-specific PHY Definitions */
+
+/* Mode Control/Status Register */
+#define PHY_MODE_CTRL_STS		(17)
+#define MODE_CTRL_STS_EDPWRDOWN		((u16)0x2000)
+#define MODE_CTRL_STS_ENERGYON		((u16)0x0002)
+
+#define PHY_INT_SRC			(29)
+#define PHY_INT_SRC_ENERGY_ON		((u16)0x0080)
+#define PHY_INT_SRC_ANEG_COMP		((u16)0x0040)
+#define PHY_INT_SRC_REMOTE_FAULT	((u16)0x0020)
+#define PHY_INT_SRC_LINK_DOWN		((u16)0x0010)
+
+#define PHY_INT_MASK			(30)
+#define PHY_INT_MASK_ENERGY_ON		((u16)0x0080)
+#define PHY_INT_MASK_ANEG_COMP		((u16)0x0040)
+#define PHY_INT_MASK_REMOTE_FAULT	((u16)0x0020)
+#define PHY_INT_MASK_LINK_DOWN		((u16)0x0010)
+#define PHY_INT_MASK_DEFAULT		(PHY_INT_MASK_ANEG_COMP | \
+					 PHY_INT_MASK_LINK_DOWN)
+
+#define PHY_SPECIAL			(31)
+#define PHY_SPECIAL_SPD			((u16)0x001C)
+#define PHY_SPECIAL_SPD_10HALF		((u16)0x0004)
+#define PHY_SPECIAL_SPD_10FULL		((u16)0x0014)
+#define PHY_SPECIAL_SPD_100HALF		((u16)0x0008)
+#define PHY_SPECIAL_SPD_100FULL		((u16)0x0018)
+
+/* USB Vendor Requests */
+#define USB_VENDOR_REQUEST_WRITE_REGISTER	0xA0
+#define USB_VENDOR_REQUEST_READ_REGISTER	0xA1
+#define USB_VENDOR_REQUEST_GET_STATS		0xA2
+
+/* Interrupt Endpoint status word bitfields */
+#define INT_ENP_RDFO_INT		((u32)BIT(22))
+#define INT_ENP_TXE_INT			((u32)BIT(21))
+#define INT_ENP_TX_DIS_INT		((u32)BIT(19))
+#define INT_ENP_RX_DIS_INT		((u32)BIT(18))
+#define INT_ENP_PHY_INT			((u32)BIT(17))
+#define INT_ENP_MAC_ERR_INT		((u32)BIT(15))
+#define INT_ENP_RX_FIFO_DATA_INT	((u32)BIT(12))
+
+#endif /* _SMSC75XX_H */
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index df9179a1c93b..73f9a31cf94d 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -709,6 +709,8 @@ static void smsc95xx_start_rx_path(struct usbnet *dev)
 
 static int smsc95xx_phy_initialize(struct usbnet *dev)
 {
+	int bmcr, timeout = 0;
+
 	/* Initialize MII structure */
 	dev->mii.dev = dev->net;
 	dev->mii.mdio_read = smsc95xx_mdio_read;
@@ -717,7 +719,20 @@ static int smsc95xx_phy_initialize(struct usbnet *dev)
 	dev->mii.reg_num_mask = 0x1f;
 	dev->mii.phy_id = SMSC95XX_INTERNAL_PHY_ID;
 
+	/* reset phy and wait for reset to complete */
 	smsc95xx_mdio_write(dev->net, dev->mii.phy_id, MII_BMCR, BMCR_RESET);
+
+	do {
+		msleep(10);
+		bmcr = smsc95xx_mdio_read(dev->net, dev->mii.phy_id, MII_BMCR);
+		timeout++;
+	} while ((bmcr & MII_BMCR) && (timeout < 100));
+
+	if (timeout >= 100) {
+		netdev_warn(dev->net, "timeout on PHY Reset");
+		return -EIO;
+	}
+
 	smsc95xx_mdio_write(dev->net, dev->mii.phy_id, MII_ADVERTISE,
 		ADVERTISE_ALL | ADVERTISE_CSMA | ADVERTISE_PAUSE_CAP |
 		ADVERTISE_PAUSE_ASYM);
@@ -1174,9 +1189,21 @@ static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev,
 	}
 
 	if (csum) {
-		u32 csum_preamble = smsc95xx_calc_csum_preamble(skb);
-		skb_push(skb, 4);
-		memcpy(skb->data, &csum_preamble, 4);
+		if (skb->len <= 45) {
+			/* workaround - hardware tx checksum does not work
+			 * properly with extremely small packets */
+			long csstart = skb->csum_start - skb_headroom(skb);
+			__wsum calc = csum_partial(skb->data + csstart,
+				skb->len - csstart, 0);
+			*((__sum16 *)(skb->data + csstart
+				+ skb->csum_offset)) = csum_fold(calc);
+
+			csum = false;
+		} else {
+			u32 csum_preamble = smsc95xx_calc_csum_preamble(skb);
+			skb_push(skb, 4);
+			memcpy(skb->data, &csum_preamble, 4);
+		}
 	}
 
 	skb_push(skb, 4);
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 3a486f3bad3d..bc278d4ee89d 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -812,7 +812,7 @@ static void set_mii_flow_control(struct velocity_info *vptr)
 
 	case FLOW_CNTL_TX_RX:
 		MII_REG_BITS_ON(ANAR_PAUSE, MII_REG_ANAR, vptr->mac_regs);
-		MII_REG_BITS_ON(ANAR_ASMDIR, MII_REG_ANAR, vptr->mac_regs);
+		MII_REG_BITS_OFF(ANAR_ASMDIR, MII_REG_ANAR, vptr->mac_regs);
 		break;
 
 	case FLOW_CNTL_DISABLE:
diff --git a/drivers/net/wan/cosa.c b/drivers/net/wan/cosa.c
index b36bf96eb502..f0bd70fb650c 100644
--- a/drivers/net/wan/cosa.c
+++ b/drivers/net/wan/cosa.c
@@ -811,7 +811,7 @@ static ssize_t cosa_read(struct file *file,
 	cosa_enable_rx(chan);
 	spin_lock_irqsave(&cosa->lock, flags);
 	add_wait_queue(&chan->rxwaitq, &wait);
-	while(!chan->rx_status) {
+	while (!chan->rx_status) {
 		current->state = TASK_INTERRUPTIBLE;
 		spin_unlock_irqrestore(&cosa->lock, flags);
 		schedule();
@@ -896,7 +896,7 @@ static ssize_t cosa_write(struct file *file,
 
 	spin_lock_irqsave(&cosa->lock, flags);
 	add_wait_queue(&chan->txwaitq, &wait);
-	while(!chan->tx_status) {
+	while (!chan->tx_status) {
 		current->state = TASK_INTERRUPTIBLE;
 		spin_unlock_irqrestore(&cosa->lock, flags);
 		schedule();
@@ -1153,7 +1153,7 @@ static int cosa_ioctl_common(struct cosa_data *cosa,
 	struct channel_data *channel, unsigned int cmd, unsigned long arg)
 {
 	void __user *argp = (void __user *)arg;
-	switch(cmd) {
+	switch (cmd) {
 	case COSAIORSET:	/* Reset the device */
 		if (!capable(CAP_NET_ADMIN))
 			return -EACCES;
@@ -1704,7 +1704,7 @@ static inline void tx_interrupt(struct cosa_data *cosa, int status)
 			spin_unlock_irqrestore(&cosa->lock, flags);
 			return;
 		}
-		while(1) {
+		while (1) {
 			cosa->txchan++;
 			i++;
 			if (cosa->txchan >= cosa->nchannels)
@@ -2010,7 +2010,7 @@ again:
 static void debug_status_in(struct cosa_data *cosa, int status)
 {
 	char *s;
-	switch(status & SR_CMD_FROM_SRP_MASK) {
+	switch (status & SR_CMD_FROM_SRP_MASK) {
 	case SR_UP_REQUEST:
 		s = "RX_REQ";
 		break;
diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c
index f1bff98acd1f..1ceccf1ca6c7 100644
--- a/drivers/net/wan/hdlc_cisco.c
+++ b/drivers/net/wan/hdlc_cisco.c
@@ -141,7 +141,7 @@ static __be16 cisco_type_trans(struct sk_buff *skb, struct net_device *dev)
 	    data->address != CISCO_UNICAST)
 		return cpu_to_be16(ETH_P_HDLC);
 
-	switch(data->protocol) {
+	switch (data->protocol) {
 	case cpu_to_be16(ETH_P_IP):
 	case cpu_to_be16(ETH_P_IPX):
 	case cpu_to_be16(ETH_P_IPV6):
@@ -190,7 +190,7 @@ static int cisco_rx(struct sk_buff *skb)
 		cisco_data = (struct cisco_packet*)(skb->data + sizeof
 						    (struct hdlc_header));
 
-		switch(ntohl (cisco_data->type)) {
+		switch (ntohl (cisco_data->type)) {
 		case CISCO_ADDR_REQ: /* Stolen from syncppp.c :-) */
 			in_dev = dev->ip_ptr;
 			addr = 0;
@@ -245,8 +245,8 @@ static int cisco_rx(struct sk_buff *skb)
 
 			dev_kfree_skb_any(skb);
 			return NET_RX_SUCCESS;
-		} /* switch(keepalive type) */
-	} /* switch(protocol) */
+		} /* switch (keepalive type) */
+	} /* switch (protocol) */
 
 	printk(KERN_INFO "%s: Unsupported protocol %x\n", dev->name,
 	       ntohs(data->protocol));
diff --git a/drivers/net/wan/hdlc_x25.c b/drivers/net/wan/hdlc_x25.c
index aa9248f8eb1a..6e1ca256effd 100644
--- a/drivers/net/wan/hdlc_x25.c
+++ b/drivers/net/wan/hdlc_x25.c
@@ -202,10 +202,10 @@ static int x25_ioctl(struct net_device *dev, struct ifreq *ifr)
 		return 0; /* return protocol only, no settable parameters */
 
 	case IF_PROTO_X25:
-		if(!capable(CAP_NET_ADMIN))
+		if (!capable(CAP_NET_ADMIN))
 			return -EPERM;
 
-		if(dev->flags & IFF_UP)
+		if (dev->flags & IFF_UP)
 			return -EBUSY;
 
 		result=hdlc->attach(dev, ENCODING_NRZ,PARITY_CRC16_PR1_CCITT);
diff --git a/drivers/net/wimax/i2400m/fw.c b/drivers/net/wimax/i2400m/fw.c
index e803a7dc6502..25c24f0368d8 100644
--- a/drivers/net/wimax/i2400m/fw.c
+++ b/drivers/net/wimax/i2400m/fw.c
@@ -612,7 +612,7 @@ ssize_t i2400m_bm_cmd(struct i2400m *i2400m,
 		goto error_wait_for_ack;
 	}
 	rx_bytes = result;
-	/* verify the ack and read more if neccessary [result is the
+	/* verify the ack and read more if necessary [result is the
 	 * final amount of bytes we get in the ack]  */
 	result = __i2400m_bm_ack_verify(i2400m, opcode, ack, ack_size, flags);
 	if (result < 0)
diff --git a/drivers/net/wimax/i2400m/i2400m.h b/drivers/net/wimax/i2400m/i2400m.h
index 04df9bbe340f..820b128705ec 100644
--- a/drivers/net/wimax/i2400m/i2400m.h
+++ b/drivers/net/wimax/i2400m/i2400m.h
@@ -627,7 +627,7 @@ enum i2400m_bm_cmd_flags {
  * @I2400M_BRI_NO_REBOOT: Do not reboot the device and proceed
  *     directly to wait for a reboot barker from the device.
  * @I2400M_BRI_MAC_REINIT: We need to reinitialize the boot
- *     rom after reading the MAC adress. This is quite a dirty hack,
+ *     rom after reading the MAC address. This is quite a dirty hack,
  *     if you ask me -- the device requires the bootrom to be
  *     intialized after reading the MAC address.
  */
diff --git a/drivers/net/wimax/i2400m/sdio.c b/drivers/net/wimax/i2400m/sdio.c
index 76a50ac02ebb..14f876b1358b 100644
--- a/drivers/net/wimax/i2400m/sdio.c
+++ b/drivers/net/wimax/i2400m/sdio.c
@@ -304,7 +304,7 @@ error_kzalloc:
  *
  * The device will be fully reset internally, but won't be
  * disconnected from the bus (so no reenumeration will
- * happen). Firmware upload will be neccessary.
+ * happen). Firmware upload will be necessary.
  *
  * The device will send a reboot barker that will trigger the driver
  * to reinitialize the state via __i2400m_dev_reset_handle.
@@ -314,7 +314,7 @@ error_kzalloc:
  *
  * The device will be fully reset internally, disconnected from the
  * bus an a reenumeration will happen. Firmware upload will be
- * neccessary. Thus, we don't do any locking or struct
+ * necessary. Thus, we don't do any locking or struct
  * reinitialization, as we are going to be fully disconnected and
  * reenumerated.
  *
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index 98f4f8c5fb68..99f04c475898 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -246,7 +246,7 @@ error_kzalloc:
  *
  * The device will be fully reset internally, but won't be
  * disconnected from the USB bus (so no reenumeration will
- * happen). Firmware upload will be neccessary.
+ * happen). Firmware upload will be necessary.
  *
  * The device will send a reboot barker in the notification endpoint
  * that will trigger the driver to reinitialize the state
@@ -257,7 +257,7 @@ error_kzalloc:
  *
  * The device will be fully reset internally, disconnected from the
  * USB bus an a reenumeration will happen. Firmware upload will be
- * neccessary. Thus, we don't do any locking or struct
+ * necessary. Thus, we don't do any locking or struct
  * reinitialization, as we are going to be fully disconnected and
  * reenumerated.
  *
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 698d5672a070..dc5018a6d9ed 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -5255,7 +5255,8 @@ static int set_wep_key(struct airo_info *ai, u16 index, const char *key,
 	WepKeyRid wkr;
 	int rc;
 
-	WARN_ON(keylen == 0);
+	if (WARN_ON(keylen == 0))
+		return -1;
 
 	memset(&wkr, 0, sizeof(wkr));
 	wkr.len = cpu_to_le16(sizeof(wkr));
diff --git a/drivers/net/wireless/ath/ar9170/ar9170.h b/drivers/net/wireless/ath/ar9170/ar9170.h
index 8c8ce67971e9..dc662b76a1c8 100644
--- a/drivers/net/wireless/ath/ar9170/ar9170.h
+++ b/drivers/net/wireless/ath/ar9170/ar9170.h
@@ -166,6 +166,7 @@ struct ar9170 {
 	struct ath_common common;
 	struct mutex mutex;
 	enum ar9170_device_state state;
+	bool registered;
 	unsigned long bad_hw_nagger;
 
 	int (*open)(struct ar9170 *);
diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c
index 8a964f130367..257c734733d1 100644
--- a/drivers/net/wireless/ath/ar9170/main.c
+++ b/drivers/net/wireless/ath/ar9170/main.c
@@ -394,7 +394,7 @@ static void ar9170_tx_fake_ampdu_status(struct ar9170 *ar)
 		ieee80211_tx_status_irqsafe(ar->hw, skb);
 	}
 
-	for_each_bit(i, &queue_bitmap, BITS_PER_BYTE) {
+	for_each_set_bit(i, &queue_bitmap, BITS_PER_BYTE) {
 #ifdef AR9170_QUEUE_STOP_DEBUG
 		printk(KERN_DEBUG "%s: wake queue %d\n",
 		       wiphy_name(ar->hw->wiphy), i);
@@ -2512,7 +2512,7 @@ void *ar9170_alloc(size_t priv_size)
 	/*
 	 * this buffer is used for rx stream reconstruction.
 	 * Under heavy load this device (or the transport layer?)
-	 * tends to split the streams into seperate rx descriptors.
+	 * tends to split the streams into separate rx descriptors.
 	 */
 
 	skb = __dev_alloc_skb(AR9170_MAX_RX_BUFFER_SIZE, GFP_KERNEL);
@@ -2701,7 +2701,8 @@ int ar9170_register(struct ar9170 *ar, struct device *pdev)
 	dev_info(pdev, "Atheros AR9170 is registered as '%s'\n",
 		 wiphy_name(ar->hw->wiphy));
 
-	return err;
+	ar->registered = true;
+	return 0;
 
 err_unreg:
 	ieee80211_unregister_hw(ar->hw);
@@ -2712,11 +2713,14 @@ err_out:
 
 void ar9170_unregister(struct ar9170 *ar)
 {
+	if (ar->registered) {
 #ifdef CONFIG_AR9170_LEDS
-	ar9170_unregister_leds(ar);
+		ar9170_unregister_leds(ar);
 #endif /* CONFIG_AR9170_LEDS */
 
-	kfree_skb(ar->rx_failover);
 	ieee80211_unregister_hw(ar->hw);
+	}
+
+	kfree_skb(ar->rx_failover);
 	mutex_destroy(&ar->mutex);
 }
diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index 0f361186b78f..4e30197afff6 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -582,43 +582,6 @@ static int ar9170_usb_upload(struct ar9170_usb *aru, const void *data,
 	return 0;
 }
 
-static int ar9170_usb_request_firmware(struct ar9170_usb *aru)
-{
-	int err = 0;
-
-	err = request_firmware(&aru->firmware, "ar9170.fw",
-			       &aru->udev->dev);
-	if (!err) {
-		aru->init_values = NULL;
-		return 0;
-	}
-
-	if (aru->req_one_stage_fw) {
-		dev_err(&aru->udev->dev, "ar9170.fw firmware file "
-			"not found and is required for this device\n");
-		return -EINVAL;
-	}
-
-	dev_err(&aru->udev->dev, "ar9170.fw firmware file "
-		"not found, trying old firmware...\n");
-
-	err = request_firmware(&aru->init_values, "ar9170-1.fw",
-			       &aru->udev->dev);
-	if (err) {
-		dev_err(&aru->udev->dev, "file with init values not found.\n");
-		return err;
-	}
-
-	err = request_firmware(&aru->firmware, "ar9170-2.fw", &aru->udev->dev);
-	if (err) {
-		release_firmware(aru->init_values);
-		dev_err(&aru->udev->dev, "firmware file not found.\n");
-		return err;
-	}
-
-	return err;
-}
-
 static int ar9170_usb_reset(struct ar9170_usb *aru)
 {
 	int ret, lock = (aru->intf->condition != USB_INTERFACE_BINDING);
@@ -757,6 +720,103 @@ err_out:
 	return err;
 }
 
+static void ar9170_usb_firmware_failed(struct ar9170_usb *aru)
+{
+	struct device *parent = aru->udev->dev.parent;
+
+	/* unbind anything failed */
+	if (parent)
+		down(&parent->sem);
+	device_release_driver(&aru->udev->dev);
+	if (parent)
+		up(&parent->sem);
+}
+
+static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context)
+{
+	struct ar9170_usb *aru = context;
+	int err;
+
+	aru->firmware = fw;
+
+	if (!fw) {
+		dev_err(&aru->udev->dev, "firmware file not found.\n");
+		goto err_freefw;
+	}
+
+	err = ar9170_usb_init_device(aru);
+	if (err)
+		goto err_freefw;
+
+	err = ar9170_usb_open(&aru->common);
+	if (err)
+		goto err_unrx;
+
+	err = ar9170_register(&aru->common, &aru->udev->dev);
+
+	ar9170_usb_stop(&aru->common);
+	if (err)
+		goto err_unrx;
+
+	return;
+
+ err_unrx:
+	ar9170_usb_cancel_urbs(aru);
+
+ err_freefw:
+	ar9170_usb_firmware_failed(aru);
+}
+
+static void ar9170_usb_firmware_inits(const struct firmware *fw,
+				      void *context)
+{
+	struct ar9170_usb *aru = context;
+	int err;
+
+	if (!fw) {
+		dev_err(&aru->udev->dev, "file with init values not found.\n");
+		ar9170_usb_firmware_failed(aru);
+		return;
+	}
+
+	aru->init_values = fw;
+
+	/* ok so we have the init values -- get code for two-stage */
+
+	err = request_firmware_nowait(THIS_MODULE, 1, "ar9170-2.fw",
+				      &aru->udev->dev, GFP_KERNEL, aru,
+				      ar9170_usb_firmware_finish);
+	if (err)
+		ar9170_usb_firmware_failed(aru);
+}
+
+static void ar9170_usb_firmware_step2(const struct firmware *fw, void *context)
+{
+	struct ar9170_usb *aru = context;
+	int err;
+
+	if (fw) {
+		ar9170_usb_firmware_finish(fw, context);
+		return;
+	}
+
+	if (aru->req_one_stage_fw) {
+		dev_err(&aru->udev->dev, "ar9170.fw firmware file "
+			"not found and is required for this device\n");
+		ar9170_usb_firmware_failed(aru);
+		return;
+	}
+
+	dev_err(&aru->udev->dev, "ar9170.fw firmware file "
+		"not found, trying old firmware...\n");
+
+	err = request_firmware_nowait(THIS_MODULE, 1, "ar9170-1.fw",
+				      &aru->udev->dev, GFP_KERNEL, aru,
+				      ar9170_usb_firmware_inits);
+	if (err)
+		ar9170_usb_firmware_failed(aru);
+}
+
 static bool ar9170_requires_one_stage(const struct usb_device_id *id)
 {
 	if (!id->driver_info)
@@ -814,33 +874,9 @@ static int ar9170_usb_probe(struct usb_interface *intf,
 	if (err)
 		goto err_freehw;
 
-	err = ar9170_usb_request_firmware(aru);
-	if (err)
-		goto err_freehw;
-
-	err = ar9170_usb_init_device(aru);
-	if (err)
-		goto err_freefw;
-
-	err = ar9170_usb_open(ar);
-	if (err)
-		goto err_unrx;
-
-	err = ar9170_register(ar, &udev->dev);
-
-	ar9170_usb_stop(ar);
-	if (err)
-		goto err_unrx;
-
-	return 0;
-
-err_unrx:
-	ar9170_usb_cancel_urbs(aru);
-
-err_freefw:
-	release_firmware(aru->init_values);
-	release_firmware(aru->firmware);
-
+	return request_firmware_nowait(THIS_MODULE, 1, "ar9170.fw",
+				       &aru->udev->dev, GFP_KERNEL, aru,
+				       ar9170_usb_firmware_step2);
 err_freehw:
 	usb_set_intfdata(intf, NULL);
 	usb_put_dev(udev);
@@ -860,12 +896,12 @@ static void ar9170_usb_disconnect(struct usb_interface *intf)
 	ar9170_unregister(&aru->common);
 	ar9170_usb_cancel_urbs(aru);
 
-	release_firmware(aru->init_values);
-	release_firmware(aru->firmware);
-
 	usb_put_dev(aru->udev);
 	usb_set_intfdata(intf, NULL);
 	ieee80211_free_hw(aru->common.hw);
+
+	release_firmware(aru->init_values);
+	release_firmware(aru->firmware);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/net/wireless/ath/ath5k/eeprom.c b/drivers/net/wireless/ath/ath5k/eeprom.c
index 6a3f4da7fb48..10b52262b232 100644
--- a/drivers/net/wireless/ath/ath5k/eeprom.c
+++ b/drivers/net/wireless/ath/ath5k/eeprom.c
@@ -429,8 +429,8 @@ static int ath5k_eeprom_read_modes(struct ath5k_hw *ah, u32 *offset,
 			ee->ee_margin_tx_rx[mode] = (val >> 8) & 0x3f;
 
 		AR5K_EEPROM_READ(o++, val);
-		ee->ee_i_cal[mode] = (val >> 8) & 0x3f;
-		ee->ee_q_cal[mode] = (val >> 3) & 0x1f;
+		ee->ee_i_cal[mode] = (val >> 5) & 0x3f;
+		ee->ee_q_cal[mode] = val & 0x1f;
 
 		if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_2) {
 			AR5K_EEPROM_READ(o++, val);
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index 72474c0ccaff..eff3323efb4b 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -1386,38 +1386,39 @@ static int ath5k_hw_rf511x_calibrate(struct ath5k_hw *ah,
 		goto done;
 
 	/* Calibration has finished, get the results and re-run */
+
+	/* work around empty results which can apparently happen on 5212 */
 	for (i = 0; i <= 10; i++) {
 		iq_corr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_CORR);
 		i_pwr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_PWR_I);
 		q_pwr = ath5k_hw_reg_read(ah, AR5K_PHY_IQRES_CAL_PWR_Q);
+		ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_CALIBRATE,
+			"iq_corr:%x i_pwr:%x q_pwr:%x", iq_corr, i_pwr, q_pwr);
+		if (i_pwr && q_pwr)
+			break;
 	}
 
 	i_coffd = ((i_pwr >> 1) + (q_pwr >> 1)) >> 7;
 	q_coffd = q_pwr >> 7;
 
-	/* No correction */
-	if (i_coffd == 0 || q_coffd == 0)
+	/* protect against divide by 0 and loss of sign bits */
+	if (i_coffd == 0 || q_coffd < 2)
 		goto done;
 
-	i_coff = ((-iq_corr) / i_coffd);
-
-	/* Boundary check */
-	if (i_coff > 31)
-		i_coff = 31;
-	if (i_coff < -32)
-		i_coff = -32;
+	i_coff = (-iq_corr) / i_coffd;
+	i_coff = clamp(i_coff, -32, 31); /* signed 6 bit */
 
-	q_coff = (((s32)i_pwr / q_coffd) - 128);
+	q_coff = (i_pwr / q_coffd) - 128;
+	q_coff = clamp(q_coff, -16, 15); /* signed 5 bit */
 
-	/* Boundary check */
-	if (q_coff > 15)
-		q_coff = 15;
-	if (q_coff < -16)
-		q_coff = -16;
+	ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_CALIBRATE,
+			"new I:%d Q:%d (i_coffd:%x q_coffd:%x)",
+			i_coff, q_coff, i_coffd, q_coffd);
 
-	/* Commit new I/Q value */
-	AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_ENABLE |
-		((u32)q_coff) | ((u32)i_coff << AR5K_PHY_IQ_CORR_Q_I_COFF_S));
+	/* Commit new I/Q values (set enable bit last to match HAL sources) */
+	AR5K_REG_WRITE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_Q_I_COFF, i_coff);
+	AR5K_REG_WRITE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_Q_Q_COFF, q_coff);
+	AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_ENABLE);
 
 	/* Re-enable calibration -if we don't we'll commit
 	 * the same values again and again */
@@ -1873,7 +1874,7 @@ ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode)
 		break;
 	case AR5K_ANTMODE_FIXED_A:
 		def_ant = 1;
-		tx_ant = 0;
+		tx_ant = 1;
 		use_def_for_tx = true;
 		update_def_on_tx = false;
 		use_def_for_rts = true;
@@ -1882,7 +1883,7 @@ ath5k_hw_set_antenna_mode(struct ath5k_hw *ah, u8 ant_mode)
 		break;
 	case AR5K_ANTMODE_FIXED_B:
 		def_ant = 2;
-		tx_ant = 0;
+		tx_ant = 2;
 		use_def_for_tx = true;
 		update_def_on_tx = false;
 		use_def_for_rts = true;
diff --git a/drivers/net/wireless/ath/ath5k/reg.h b/drivers/net/wireless/ath/ath5k/reg.h
index 4cb9c5df9f46..1464f89b249c 100644
--- a/drivers/net/wireless/ath/ath5k/reg.h
+++ b/drivers/net/wireless/ath/ath5k/reg.h
@@ -2187,6 +2187,7 @@
  */
 #define	AR5K_PHY_IQ			0x9920			/* Register Address */
 #define	AR5K_PHY_IQ_CORR_Q_Q_COFF	0x0000001f	/* Mask for q correction info */
+#define	AR5K_PHY_IQ_CORR_Q_Q_COFF_S	0
 #define	AR5K_PHY_IQ_CORR_Q_I_COFF	0x000007e0	/* Mask for i correction info */
 #define	AR5K_PHY_IQ_CORR_Q_I_COFF_S	5
 #define	AR5K_PHY_IQ_CORR_ENABLE		0x00000800	/* Enable i/q correction */
diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c
index a35a7db0fc4c..cbf28e379843 100644
--- a/drivers/net/wireless/ath/ath5k/reset.c
+++ b/drivers/net/wireless/ath/ath5k/reset.c
@@ -851,12 +851,15 @@ static void ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah,
 				AR5K_PHY_OFDM_SELFCORR_CYPWR_THR1,
 				AR5K_INIT_CYCRSSI_THR1);
 
-	/* I/Q correction
-	 * TODO: Per channel i/q infos ? */
-	AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ,
-		AR5K_PHY_IQ_CORR_ENABLE |
-		(ee->ee_i_cal[ee_mode] << AR5K_PHY_IQ_CORR_Q_I_COFF_S) |
-		ee->ee_q_cal[ee_mode]);
+	/* I/Q correction (set enable bit last to match HAL sources) */
+	/* TODO: Per channel i/q infos ? */
+	if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_4_0) {
+		AR5K_REG_WRITE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_Q_I_COFF,
+			    ee->ee_i_cal[ee_mode]);
+		AR5K_REG_WRITE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_Q_Q_COFF,
+			    ee->ee_q_cal[ee_mode]);
+		AR5K_REG_ENABLE_BITS(ah, AR5K_PHY_IQ, AR5K_PHY_IQ_CORR_ENABLE);
+	}
 
 	/* Heavy clipping -disable for now */
 	if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_5_1)
@@ -1379,11 +1382,10 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
 		ath5k_hw_set_sleep_clock(ah, true);
 
 	/*
-	 * Disable beacons and reset the register
+	 * Disable beacons and reset the TSF
 	 */
-	AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE |
-			AR5K_BEACON_RESET_TSF);
-
+	AR5K_REG_DISABLE_BITS(ah, AR5K_BEACON, AR5K_BEACON_ENABLE);
+	ath5k_hw_reset_tsf(ah);
 	return 0;
 }
 
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index ac34a055c713..0e79e58cf4c9 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1323,7 +1323,7 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
 
 static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
 			    struct ieee80211_sta *sta, void *priv_sta,
-			    u32 changed)
+			    u32 changed, enum nl80211_channel_type oper_chan_type)
 {
 	struct ath_softc *sc = priv;
 	struct ath_rate_priv *ath_rc_priv = priv_sta;
@@ -1340,8 +1340,8 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
 		if (sc->sc_ah->opmode != NL80211_IFTYPE_STATION)
 			return;
 
-		if (sc->hw->conf.channel_type == NL80211_CHAN_HT40MINUS ||
-		    sc->hw->conf.channel_type == NL80211_CHAN_HT40PLUS)
+		if (oper_chan_type == NL80211_CHAN_HT40MINUS ||
+		    oper_chan_type == NL80211_CHAN_HT40PLUS)
 			oper_cw40 = true;
 
 		oper_sgi40 = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ?
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 47294f90bbe5..294b486bc3ed 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1353,25 +1353,6 @@ static enum ath9k_pkt_type get_hw_packet_type(struct sk_buff *skb)
 	return htype;
 }
 
-static bool is_pae(struct sk_buff *skb)
-{
-	struct ieee80211_hdr *hdr;
-	__le16 fc;
-
-	hdr = (struct ieee80211_hdr *)skb->data;
-	fc = hdr->frame_control;
-
-	if (ieee80211_is_data(fc)) {
-		if (ieee80211_is_nullfunc(fc) ||
-		    /* Port Access Entity (IEEE 802.1X) */
-		    (skb->protocol == cpu_to_be16(ETH_P_PAE))) {
-			return true;
-		}
-	}
-
-	return false;
-}
-
 static int get_hw_crypto_keytype(struct sk_buff *skb)
 {
 	struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
@@ -1696,7 +1677,7 @@ static void ath_tx_start_dma(struct ath_softc *sc, struct ath_buf *bf,
 			goto tx_done;
 		}
 
-		if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && !is_pae(skb)) {
+		if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) {
 			/*
 			 * Try aggregation if it's a unicast data frame
 			 * and the destination is HT capable.
@@ -2258,7 +2239,7 @@ void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an)
 		if (ATH_TXQ_SETUP(sc, i)) {
 			txq = &sc->tx.txq[i];
 
-			spin_lock(&txq->axq_lock);
+			spin_lock_bh(&txq->axq_lock);
 
 			list_for_each_entry_safe(ac,
 					ac_tmp, &txq->axq_acq, list) {
@@ -2279,7 +2260,7 @@ void ath_tx_node_cleanup(struct ath_softc *sc, struct ath_node *an)
 				}
 			}
 
-			spin_unlock(&txq->axq_lock);
+			spin_unlock_bh(&txq->axq_lock);
 		}
 	}
 }
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index 63c2a7ade5fb..5c7aa1b1eb56 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -3177,14 +3177,27 @@ static int ipw_load_firmware(struct ipw_priv *priv, u8 * data, size_t len)
 	int total_nr = 0;
 	int i;
 	struct pci_pool *pool;
-	u32 *virts[CB_NUMBER_OF_ELEMENTS_SMALL];
-	dma_addr_t phys[CB_NUMBER_OF_ELEMENTS_SMALL];
+	void **virts;
+	dma_addr_t *phys;
 
 	IPW_DEBUG_TRACE("<< : \n");
 
+	virts = kmalloc(sizeof(void *) * CB_NUMBER_OF_ELEMENTS_SMALL,
+			GFP_KERNEL);
+	if (!virts)
+		return -ENOMEM;
+
+	phys = kmalloc(sizeof(dma_addr_t) * CB_NUMBER_OF_ELEMENTS_SMALL,
+			GFP_KERNEL);
+	if (!phys) {
+		kfree(virts);
+		return -ENOMEM;
+	}
 	pool = pci_pool_create("ipw2200", priv->pci_dev, CB_MAX_LENGTH, 0, 0);
 	if (!pool) {
 		IPW_ERROR("pci_pool_create failed\n");
+		kfree(phys);
+		kfree(virts);
 		return -ENOMEM;
 	}
 
@@ -3254,6 +3267,8 @@ static int ipw_load_firmware(struct ipw_priv *priv, u8 * data, size_t len)
 		pci_pool_free(pool, virts[i], phys[i]);
 
 	pci_pool_destroy(pool);
+	kfree(phys);
+	kfree(virts);
 
 	return ret;
 }
diff --git a/drivers/net/wireless/ipw2x00/libipw.h b/drivers/net/wireless/ipw2x00/libipw.h
index bf45391172f3..a6d5e42647e4 100644
--- a/drivers/net/wireless/ipw2x00/libipw.h
+++ b/drivers/net/wireless/ipw2x00/libipw.h
@@ -797,7 +797,7 @@ struct libipw_device {
 	/* Probe / Beacon management */
 	struct list_head network_free_list;
 	struct list_head network_list;
-	struct libipw_network *networks;
+	struct libipw_network *networks[MAX_NETWORK_COUNT];
 	int scans;
 	int scan_age;
 
diff --git a/drivers/net/wireless/ipw2x00/libipw_module.c b/drivers/net/wireless/ipw2x00/libipw_module.c
index 1ae0b2b02c38..2fa55867bd8b 100644
--- a/drivers/net/wireless/ipw2x00/libipw_module.c
+++ b/drivers/net/wireless/ipw2x00/libipw_module.c
@@ -67,16 +67,17 @@ void *libipw_wiphy_privid = &libipw_wiphy_privid;
 
 static int libipw_networks_allocate(struct libipw_device *ieee)
 {
-	if (ieee->networks)
-		return 0;
-
-	ieee->networks =
-	    kzalloc(MAX_NETWORK_COUNT * sizeof(struct libipw_network),
-		    GFP_KERNEL);
-	if (!ieee->networks) {
-		printk(KERN_WARNING "%s: Out of memory allocating beacons\n",
-		       ieee->dev->name);
-		return -ENOMEM;
+	int i, j;
+
+	for (i = 0; i < MAX_NETWORK_COUNT; i++) {
+		ieee->networks[i] = kzalloc(sizeof(struct libipw_network),
+					    GFP_KERNEL);
+		if (!ieee->networks[i]) {
+			LIBIPW_ERROR("Out of memory allocating beacons\n");
+			for (j = 0; j < i; j++)
+				kfree(ieee->networks[j]);
+			return -ENOMEM;
+		}
 	}
 
 	return 0;
@@ -97,15 +98,11 @@ static inline void libipw_networks_free(struct libipw_device *ieee)
 {
 	int i;
 
-	if (!ieee->networks)
-		return;
-
-	for (i = 0; i < MAX_NETWORK_COUNT; i++)
-		if (ieee->networks[i].ibss_dfs)
-			kfree(ieee->networks[i].ibss_dfs);
-
-	kfree(ieee->networks);
-	ieee->networks = NULL;
+	for (i = 0; i < MAX_NETWORK_COUNT; i++) {
+		if (ieee->networks[i]->ibss_dfs)
+			kfree(ieee->networks[i]->ibss_dfs);
+		kfree(ieee->networks[i]);
+	}
 }
 
 void libipw_networks_age(struct libipw_device *ieee,
@@ -130,7 +127,7 @@ static void libipw_networks_initialize(struct libipw_device *ieee)
 	INIT_LIST_HEAD(&ieee->network_free_list);
 	INIT_LIST_HEAD(&ieee->network_list);
 	for (i = 0; i < MAX_NETWORK_COUNT; i++)
-		list_add_tail(&ieee->networks[i].list,
+		list_add_tail(&ieee->networks[i]->list,
 			      &ieee->network_free_list);
 }
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 303cc8193adc..e0678d921055 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -184,7 +184,7 @@ static int iwl3945_hwrate_to_plcp_idx(u8 plcp)
 {
 	int idx;
 
-	for (idx = 0; idx < IWL_RATE_COUNT; idx++)
+	for (idx = 0; idx < IWL_RATE_COUNT_3945; idx++)
 		if (iwl3945_rates[idx].plcp == plcp)
 			return idx;
 	return -1;
@@ -805,7 +805,7 @@ void iwl3945_hw_build_tx_cmd_rate(struct iwl_priv *priv,
 				  int sta_id, int tx_id)
 {
 	u16 hw_value = ieee80211_get_tx_rate(priv->hw, info)->hw_value;
-	u16 rate_index = min(hw_value & 0xffff, IWL_RATE_COUNT - 1);
+	u16 rate_index = min(hw_value & 0xffff, IWL_RATE_COUNT_3945);
 	u16 rate_mask;
 	int rate;
 	u8 rts_retry_limit;
@@ -2146,7 +2146,7 @@ static void iwl3945_hw_reg_init_channel_groups(struct iwl_priv *priv)
 
 		/* fill in channel group's nominal powers for each rate */
 		for (rate_index = 0;
-		     rate_index < IWL_RATE_COUNT; rate_index++, clip_pwrs++) {
+		     rate_index < IWL_RATE_COUNT_3945; rate_index++, clip_pwrs++) {
 			switch (rate_index) {
 			case IWL_RATE_36M_INDEX_TABLE:
 				if (i == 0)	/* B/G */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 6aeb82b6992f..818367b57bab 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1463,59 +1463,66 @@ static void iwl_nic_start(struct iwl_priv *priv)
 }
 
 
+static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context);
+static int iwl_mac_setup_register(struct iwl_priv *priv);
+
+static int __must_check iwl_request_firmware(struct iwl_priv *priv, bool first)
+{
+	const char *name_pre = priv->cfg->fw_name_pre;
+
+	if (first)
+		priv->fw_index = priv->cfg->ucode_api_max;
+	else
+		priv->fw_index--;
+
+	if (priv->fw_index < priv->cfg->ucode_api_min) {
+		IWL_ERR(priv, "no suitable firmware found!\n");
+		return -ENOENT;
+	}
+
+	sprintf(priv->firmware_name, "%s%d%s",
+		name_pre, priv->fw_index, ".ucode");
+
+	IWL_DEBUG_INFO(priv, "attempting to load firmware '%s'\n",
+		       priv->firmware_name);
+
+	return request_firmware_nowait(THIS_MODULE, 1, priv->firmware_name,
+				       &priv->pci_dev->dev, GFP_KERNEL, priv,
+				       iwl_ucode_callback);
+}
+
 /**
- * iwl_read_ucode - Read uCode images from disk file.
+ * iwl_ucode_callback - callback when firmware was loaded
  *
- * Copy into buffers for card to fetch via bus-mastering
+ * If loaded successfully, copies the firmware into buffers
+ * for the card to fetch (via DMA).
  */
-static int iwl_read_ucode(struct iwl_priv *priv)
+static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context)
 {
+	struct iwl_priv *priv = context;
 	struct iwl_ucode_header *ucode;
-	int ret = -EINVAL, index;
-	const struct firmware *ucode_raw;
-	const char *name_pre = priv->cfg->fw_name_pre;
 	const unsigned int api_max = priv->cfg->ucode_api_max;
 	const unsigned int api_min = priv->cfg->ucode_api_min;
-	char buf[25];
 	u8 *src;
 	size_t len;
 	u32 api_ver, build;
 	u32 inst_size, data_size, init_size, init_data_size, boot_size;
+	int err;
 	u16 eeprom_ver;
 
-	/* Ask kernel firmware_class module to get the boot firmware off disk.
-	 * request_firmware() is synchronous, file is in memory on return. */
-	for (index = api_max; index >= api_min; index--) {
-		sprintf(buf, "%s%d%s", name_pre, index, ".ucode");
-		ret = request_firmware(&ucode_raw, buf, &priv->pci_dev->dev);
-		if (ret < 0) {
-			IWL_ERR(priv, "%s firmware file req failed: %d\n",
-				  buf, ret);
-			if (ret == -ENOENT)
-				continue;
-			else
-				goto error;
-		} else {
-			if (index < api_max)
-				IWL_ERR(priv, "Loaded firmware %s, "
-					"which is deprecated. "
-					"Please use API v%u instead.\n",
-					  buf, api_max);
-
-			IWL_DEBUG_INFO(priv, "Got firmware '%s' file (%zd bytes) from disk\n",
-				       buf, ucode_raw->size);
-			break;
-		}
+	if (!ucode_raw) {
+		IWL_ERR(priv, "request for firmware file '%s' failed.\n",
+			priv->firmware_name);
+		goto try_again;
 	}
 
-	if (ret < 0)
-		goto error;
+	IWL_DEBUG_INFO(priv, "Loaded firmware file '%s' (%zd bytes).\n",
+		       priv->firmware_name, ucode_raw->size);
 
 	/* Make sure that we got at least the v1 header! */
 	if (ucode_raw->size < priv->cfg->ops->ucode->get_header_size(1)) {
 		IWL_ERR(priv, "File size way too small!\n");
-		ret = -EINVAL;
-		goto err_release;
+		goto try_again;
 	}
 
 	/* Data from ucode file:  header followed by uCode images */
@@ -1540,10 +1547,9 @@ static int iwl_read_ucode(struct iwl_priv *priv)
 		IWL_ERR(priv, "Driver unable to support your firmware API. "
 			  "Driver supports v%u, firmware is v%u.\n",
 			  api_max, api_ver);
-		priv->ucode_ver = 0;
-		ret = -EINVAL;
-		goto err_release;
+		goto try_again;
 	}
+
 	if (api_ver != api_max)
 		IWL_ERR(priv, "Firmware has old API version. Expected v%u, "
 			  "got v%u. New firmware can be obtained "
@@ -1585,6 +1591,12 @@ static int iwl_read_ucode(struct iwl_priv *priv)
 	IWL_DEBUG_INFO(priv, "f/w package hdr boot inst size = %u\n",
 		       boot_size);
 
+	/*
+	 * For any of the failures below (before allocating pci memory)
+	 * we will try to load a version with a smaller API -- maybe the
+	 * user just got a corrupted version of the latest API.
+	 */
+
 	/* Verify size of file vs. image size info in file's header */
 	if (ucode_raw->size !=
 		priv->cfg->ops->ucode->get_header_size(api_ver) +
@@ -1594,41 +1606,35 @@ static int iwl_read_ucode(struct iwl_priv *priv)
 		IWL_DEBUG_INFO(priv,
 			"uCode file size %d does not match expected size\n",
 			(int)ucode_raw->size);
-		ret = -EINVAL;
-		goto err_release;
+		goto try_again;
 	}
 
 	/* Verify that uCode images will fit in card's SRAM */
 	if (inst_size > priv->hw_params.max_inst_size) {
 		IWL_DEBUG_INFO(priv, "uCode instr len %d too large to fit in\n",
 			       inst_size);
-		ret = -EINVAL;
-		goto err_release;
+		goto try_again;
 	}
 
 	if (data_size > priv->hw_params.max_data_size) {
 		IWL_DEBUG_INFO(priv, "uCode data len %d too large to fit in\n",
 				data_size);
-		ret = -EINVAL;
-		goto err_release;
+		goto try_again;
 	}
 	if (init_size > priv->hw_params.max_inst_size) {
 		IWL_INFO(priv, "uCode init instr len %d too large to fit in\n",
 			init_size);
-		ret = -EINVAL;
-		goto err_release;
+		goto try_again;
 	}
 	if (init_data_size > priv->hw_params.max_data_size) {
 		IWL_INFO(priv, "uCode init data len %d too large to fit in\n",
 		      init_data_size);
-		ret = -EINVAL;
-		goto err_release;
+		goto try_again;
 	}
 	if (boot_size > priv->hw_params.max_bsm_size) {
 		IWL_INFO(priv, "uCode boot instr len %d too large to fit in\n",
 			boot_size);
-		ret = -EINVAL;
-		goto err_release;
+		goto try_again;
 	}
 
 	/* Allocate ucode buffers for card's bus-master loading ... */
@@ -1712,20 +1718,36 @@ static int iwl_read_ucode(struct iwl_priv *priv)
 	IWL_DEBUG_INFO(priv, "Copying (but not loading) boot instr len %Zd\n", len);
 	memcpy(priv->ucode_boot.v_addr, src, len);
 
+	/**************************************************
+	 * This is still part of probe() in a sense...
+	 *
+	 * 9. Setup and register with mac80211 and debugfs
+	 **************************************************/
+	err = iwl_mac_setup_register(priv);
+	if (err)
+		goto out_unbind;
+
+	err = iwl_dbgfs_register(priv, DRV_NAME);
+	if (err)
+		IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err);
+
 	/* We have our copies now, allow OS release its copies */
 	release_firmware(ucode_raw);
-	return 0;
+	return;
+
+ try_again:
+	/* try next, if any */
+	if (iwl_request_firmware(priv, false))
+		goto out_unbind;
+	release_firmware(ucode_raw);
+	return;
 
  err_pci_alloc:
 	IWL_ERR(priv, "failed to allocate pci memory\n");
-	ret = -ENOMEM;
 	iwl_dealloc_ucode_pci(priv);
-
- err_release:
+ out_unbind:
+	device_release_driver(&priv->pci_dev->dev);
 	release_firmware(ucode_raw);
-
- error:
-	return ret;
 }
 
 static const char *desc_lookup_text[] = {
@@ -2631,7 +2653,7 @@ static int iwl_mac_setup_register(struct iwl_priv *priv)
 	 */
 	hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
 
-	hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX + 1;
+	hw->wiphy->max_scan_ssids = PROBE_OPTION_MAX;
 	/* we create the 802.11 header and a zero-length SSID element */
 	hw->wiphy->max_scan_ie_len = IWL_MAX_PROBE_REQUEST - 24 - 2;
 
@@ -2667,21 +2689,7 @@ static int iwl_mac_start(struct ieee80211_hw *hw)
 
 	/* we should be verifying the device is ready to be opened */
 	mutex_lock(&priv->mutex);
-
-	/* fetch ucode file from disk, alloc and copy to bus-master buffers ...
-	 * ucode filename and max sizes are card-specific. */
-
-	if (!priv->ucode_code.len) {
-		ret = iwl_read_ucode(priv);
-		if (ret) {
-			IWL_ERR(priv, "Could not read microcode: %d\n", ret);
-			mutex_unlock(&priv->mutex);
-			return ret;
-		}
-	}
-
 	ret = __iwl_up(priv);
-
 	mutex_unlock(&priv->mutex);
 
 	if (ret)
@@ -3654,17 +3662,10 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	iwl_power_initialize(priv);
 	iwl_tt_initialize(priv);
 
-	/**************************************************
-	 * 9. Setup and register with mac80211 and debugfs
-	 **************************************************/
-	err = iwl_mac_setup_register(priv);
+	err = iwl_request_firmware(priv, true);
 	if (err)
 		goto out_remove_sysfs;
 
-	err = iwl_dbgfs_register(priv, DRV_NAME);
-	if (err)
-		IWL_ERR(priv, "failed to create debugfs files. Ignoring error: %d\n", err);
-
 	return 0;
 
  out_remove_sysfs:
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index ab891b958042..6054c5fba0c1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -1132,6 +1132,7 @@ struct iwl_priv {
 	u8   rev_id;
 
 	/* uCode images, save to reload in case of failure */
+	int fw_index;			/* firmware we're trying to load */
 	u32 ucode_ver;			/* version of ucode, copy of
 					   iwl_ucode.ver */
 	struct fw_desc ucode_code;	/* runtime inst */
@@ -1142,6 +1143,7 @@ struct iwl_priv {
 	struct fw_desc ucode_boot;	/* bootstrap inst */
 	enum ucode_type ucode_type;
 	u8 ucode_write_complete;	/* the image write is complete */
+	char firmware_name[25];
 
 
 	struct iwl_rxon_time_cmd rxon_timing;
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index dd9ff2ed645a..bd2f7c420563 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -638,20 +638,9 @@ u16 iwl_fill_probe_req(struct iwl_priv *priv, struct ieee80211_mgmt *frame,
 	if (left < 0)
 		return 0;
 	*pos++ = WLAN_EID_SSID;
-	if (!priv->is_internal_short_scan &&
-	    priv->scan_request->n_ssids) {
-		struct cfg80211_ssid *ssid =
-			priv->scan_request->ssids;
-
-		/* Broadcast if ssid_len is 0 */
-		*pos++ = ssid->ssid_len;
-		memcpy(pos, ssid->ssid, ssid->ssid_len);
-		pos += ssid->ssid_len;
-		len += 2 + ssid->ssid_len;
-	} else {
-		*pos++ = 0;
-		len += 2;
-	}
+	*pos++ = 0;
+
+	len += 2;
 
 	if (WARN_ON(left < ie_len))
 		return len;
@@ -780,26 +769,20 @@ static void iwl_bg_request_scan(struct work_struct *data)
 	if (priv->is_internal_short_scan) {
 		IWL_DEBUG_SCAN(priv, "Start internal passive scan.\n");
 	} else if (priv->scan_request->n_ssids) {
+		int i, p = 0;
 		IWL_DEBUG_SCAN(priv, "Kicking off active scan\n");
-		/*
-		 * The first SSID to scan is stuffed into the probe request
-		 * template and the remaining ones are handled through the
-		 * direct_scan array.
-		 */
-		if (priv->scan_request->n_ssids > 1) {
-			int i, p = 0;
-			for (i = 1; i < priv->scan_request->n_ssids; i++) {
-				if (!priv->scan_request->ssids[i].ssid_len)
-					continue;
-				scan->direct_scan[p].id = WLAN_EID_SSID;
-				scan->direct_scan[p].len =
-					priv->scan_request->ssids[i].ssid_len;
-				memcpy(scan->direct_scan[p].ssid,
-				       priv->scan_request->ssids[i].ssid,
-				       priv->scan_request->ssids[i].ssid_len);
-				n_probes++;
-				p++;
-			}
+		for (i = 0; i < priv->scan_request->n_ssids; i++) {
+			/* always does wildcard anyway */
+			if (!priv->scan_request->ssids[i].ssid_len)
+				continue;
+			scan->direct_scan[p].id = WLAN_EID_SSID;
+			scan->direct_scan[p].len =
+				priv->scan_request->ssids[i].ssid_len;
+			memcpy(scan->direct_scan[p].ssid,
+			       priv->scan_request->ssids[i].ssid,
+			       priv->scan_request->ssids[i].ssid_len);
+			n_probes++;
+			p++;
 		}
 		is_active = true;
 	} else
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 1ed5206721ec..8c12311dbb0a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -124,7 +124,7 @@ void iwl_free_tfds_in_queue(struct iwl_priv *priv,
 	if (priv->stations[sta_id].tid[tid].tfds_in_queue >= freed)
 		priv->stations[sta_id].tid[tid].tfds_in_queue -= freed;
 	else {
-		IWL_ERR(priv, "free more than tfds_in_queue (%u:%d)\n",
+		IWL_DEBUG_TX(priv, "free more than tfds_in_queue (%u:%d)\n",
 			priv->stations[sta_id].tid[tid].tfds_in_queue,
 			freed);
 		priv->stations[sta_id].tid[tid].tfds_in_queue = 0;
diff --git a/drivers/net/wireless/iwmc3200wifi/debugfs.c b/drivers/net/wireless/iwmc3200wifi/debugfs.c
index be992ca41cf1..c29c994de0e2 100644
--- a/drivers/net/wireless/iwmc3200wifi/debugfs.c
+++ b/drivers/net/wireless/iwmc3200wifi/debugfs.c
@@ -89,7 +89,7 @@ static int iwm_debugfs_dbg_modules_write(void *data, u64 val)
 	for (i = 0; i < __IWM_DM_NR; i++)
 		iwm->dbg.dbg_module[i] = 0;
 
-	for_each_bit(bit, &iwm->dbg.dbg_modules, __IWM_DM_NR)
+	for_each_set_bit(bit, &iwm->dbg.dbg_modules, __IWM_DM_NR)
 		iwm->dbg.dbg_module[bit] = iwm->dbg.dbg_level;
 
 	return 0;
diff --git a/drivers/net/wireless/iwmc3200wifi/lmac.h b/drivers/net/wireless/iwmc3200wifi/lmac.h
index a3a79b5e2898..a855a99e49b8 100644
--- a/drivers/net/wireless/iwmc3200wifi/lmac.h
+++ b/drivers/net/wireless/iwmc3200wifi/lmac.h
@@ -262,7 +262,7 @@ struct iwm_ct_kill_cfg_cmd {
 
 /* Power Management */
 #define POWER_TABLE_CMD			0x77
-#define SAVE_RESTORE_ADRESS_CMD		0x78
+#define SAVE_RESTORE_ADDRESS_CMD		0x78
 #define REPLY_WATERMARK_CMD		0x79
 #define PM_DEBUG_STATISTIC_NOTIFIC	0x7B
 #define PD_FLUSH_N_NOTIFICATION		0x7C
diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index ad8f7eabb5aa..8456b4dbd146 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -1116,7 +1116,7 @@ static int iwm_ntf_stop_resume_tx(struct iwm_priv *iwm, u8 *buf,
 		return -EINVAL;
 	}
 
-	for_each_bit(bit, (unsigned long *)&tid_msk, IWM_UMAC_TID_NR) {
+	for_each_set_bit(bit, (unsigned long *)&tid_msk, IWM_UMAC_TID_NR) {
 		tid_info = &sta_info->tid_info[bit];
 
 		mutex_lock(&tid_info->mutex);
diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index 9f6d6bf06b8e..2887047069f2 100644
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -1496,51 +1496,67 @@ static void set_multicast_list(struct usbnet *usbdev)
 {
 	struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
 	struct dev_mc_list *mclist;
-	__le32 filter;
-	int ret, i, size;
-	char *buf;
+	__le32 filter, basefilter;
+	int ret;
+	char *mc_addrs = NULL;
+	int mc_count;
 
-	filter = RNDIS_PACKET_TYPE_DIRECTED | RNDIS_PACKET_TYPE_BROADCAST;
+	basefilter = filter = RNDIS_PACKET_TYPE_DIRECTED |
+			      RNDIS_PACKET_TYPE_BROADCAST;
 
-	netif_addr_lock_bh(usbdev->net);
 	if (usbdev->net->flags & IFF_PROMISC) {
 		filter |= RNDIS_PACKET_TYPE_PROMISCUOUS |
 			RNDIS_PACKET_TYPE_ALL_LOCAL;
-	} else if (usbdev->net->flags & IFF_ALLMULTI ||
-		   netdev_mc_count(usbdev->net) > priv->multicast_size) {
+	} else if (usbdev->net->flags & IFF_ALLMULTI) {
+		filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
+	}
+
+	if (filter != basefilter)
+		goto set_filter;
+
+	/*
+	 * mc_list should be accessed holding the lock, so copy addresses to
+	 * local buffer first.
+	 */
+	netif_addr_lock_bh(usbdev->net);
+	mc_count = netdev_mc_count(usbdev->net);
+	if (mc_count > priv->multicast_size) {
 		filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
-	} else if (!netdev_mc_empty(usbdev->net)) {
-		size = min(priv->multicast_size, netdev_mc_count(usbdev->net));
-		buf = kmalloc(size * ETH_ALEN, GFP_KERNEL);
-		if (!buf) {
+	} else if (mc_count) {
+		int i = 0;
+
+		mc_addrs = kmalloc(mc_count * ETH_ALEN, GFP_ATOMIC);
+		if (!mc_addrs) {
 			netdev_warn(usbdev->net,
 				    "couldn't alloc %d bytes of memory\n",
-				    size * ETH_ALEN);
+				    mc_count * ETH_ALEN);
 			netif_addr_unlock_bh(usbdev->net);
 			return;
 		}
 
-		i = 0;
-		netdev_for_each_mc_addr(mclist, usbdev->net) {
-			if (i == size)
-				break;
-			memcpy(buf + i++ * ETH_ALEN, mclist->dmi_addr, ETH_ALEN);
-		}
+		netdev_for_each_mc_addr(mclist, usbdev->net)
+			memcpy(mc_addrs + i++ * ETH_ALEN,
+			       mclist->dmi_addr, ETH_ALEN);
+	}
+	netif_addr_unlock_bh(usbdev->net);
 
-		ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, buf,
-								i * ETH_ALEN);
-		if (ret == 0 && i > 0)
+	if (filter != basefilter)
+		goto set_filter;
+
+	if (mc_count) {
+		ret = rndis_set_oid(usbdev, OID_802_3_MULTICAST_LIST, mc_addrs,
+				    mc_count * ETH_ALEN);
+		kfree(mc_addrs);
+		if (ret == 0)
 			filter |= RNDIS_PACKET_TYPE_MULTICAST;
 		else
 			filter |= RNDIS_PACKET_TYPE_ALL_MULTICAST;
 
 		netdev_dbg(usbdev->net, "OID_802_3_MULTICAST_LIST(%d, max: %d) -> %d\n",
-			   i, priv->multicast_size, ret);
-
-		kfree(buf);
+			   mc_count, priv->multicast_size, ret);
 	}
-	netif_addr_unlock_bh(usbdev->net);
 
+set_filter:
 	ret = rndis_set_oid(usbdev, OID_GEN_CURRENT_PACKET_FILTER, &filter,
 							sizeof(filter));
 	if (ret < 0) {
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index ee34c137e7cd..9b04964deced 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -368,7 +368,7 @@ static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev,
 
 		/*
 		 * The encryption key doesn't fit within the CSR cache,
-		 * this means we should allocate it seperately and use
+		 * this means we should allocate it separately and use
 		 * rt2x00usb_vendor_request() to send the key to the hardware.
 		 */
 		reg = KEY_ENTRY(key->hw_key_idx);
@@ -382,7 +382,7 @@ static int rt2500usb_config_key(struct rt2x00_dev *rt2x00dev,
 		/*
 		 * The driver does not support the IV/EIV generation
 		 * in hardware. However it demands the data to be provided
-		 * both seperately as well as inside the frame.
+		 * both separately as well as inside the frame.
 		 * We already provided the CONFIG_CRYPTO_COPY_IV to rt2x00lib
 		 * to ensure rt2x00lib will not strip the data from the
 		 * frame after the copy, now we must tell mac80211
diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
index aca8c124f434..91cce2d0f6db 100644
--- a/drivers/net/wireless/rt2x00/rt2800pci.c
+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
@@ -1225,7 +1225,7 @@ MODULE_LICENSE("GPL");
 #ifdef CONFIG_RT2800PCI_SOC
 static int rt2800soc_probe(struct platform_device *pdev)
 {
-	return rt2x00soc_probe(pdev, rt2800pci_ops);
+	return rt2x00soc_probe(pdev, &rt2800pci_ops);
 }
 
 static struct platform_driver rt2800soc_driver = {
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 5e4ee2023fcf..d27d7d5d850c 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -99,7 +99,7 @@ static int rt2800usb_check_firmware(struct rt2x00_dev *rt2x00dev,
 	 * There are 2 variations of the rt2870 firmware.
 	 * a) size: 4kb
 	 * b) size: 8kb
-	 * Note that (b) contains 2 seperate firmware blobs of 4k
+	 * Note that (b) contains 2 separate firmware blobs of 4k
 	 * within the file. The first blob is the same firmware as (a),
 	 * but the second blob is for the additional chipsets.
 	 */
@@ -117,7 +117,7 @@ static int rt2800usb_check_firmware(struct rt2x00_dev *rt2x00dev,
 
 	/*
 	 * 8kb firmware files must be checked as if it were
-	 * 2 seperate firmware files.
+	 * 2 separate firmware files.
 	 */
 	while (offset < len) {
 		if (!rt2800usb_check_crc(data + offset, 4096))
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index 70c04c282efc..28a1c46ec4eb 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -109,7 +109,7 @@ struct rt2x00debug_intf {
 
 	/*
 	 * HW crypto statistics.
-	 * All statistics are stored seperately per cipher type.
+	 * All statistics are stored separately per cipher type.
 	 */
 	struct rt2x00debug_crypto crypto_stats[CIPHER_MAX];
 
diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c
index b93731b79903..dd5ab8fe2321 100644
--- a/drivers/net/wireless/rt2x00/rt2x00dev.c
+++ b/drivers/net/wireless/rt2x00/rt2x00dev.c
@@ -394,7 +394,7 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
 	/*
 	 * Hardware might have stripped the IV/EIV/ICV data,
 	 * in that case it is possible that the data was
-	 * provided seperately (through hardware descriptor)
+	 * provided separately (through hardware descriptor)
 	 * in which case we should reinsert the data into the frame.
 	 */
 	if ((rxdesc.dev_flags & RXDONE_CRYPTO_IV) &&
diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c
index 0b4801a14601..5b6b789cad3d 100644
--- a/drivers/net/wireless/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c
@@ -497,7 +497,7 @@ int rt2x00queue_write_tx_frame(struct data_queue *queue, struct sk_buff *skb,
 	/*
 	 * When hardware encryption is supported, and this frame
 	 * is to be encrypted, we should strip the IV/EIV data from
-	 * the frame so we can provide it to the driver seperately.
+	 * the frame so we can provide it to the driver separately.
 	 */
 	if (test_bit(ENTRY_TXD_ENCRYPT, &txdesc.flags) &&
 	    !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc.flags)) {
diff --git a/drivers/net/wireless/rt2x00/rt2x00soc.c b/drivers/net/wireless/rt2x00/rt2x00soc.c
index 4efdc96010f6..111c0ff5c6c7 100644
--- a/drivers/net/wireless/rt2x00/rt2x00soc.c
+++ b/drivers/net/wireless/rt2x00/rt2x00soc.c
@@ -112,6 +112,7 @@ exit_free_device:
 
 	return retval;
 }
+EXPORT_SYMBOL_GPL(rt2x00soc_probe);
 
 int rt2x00soc_remove(struct platform_device *pdev)
 {
diff --git a/drivers/net/wireless/rt2x00/rt2x00soc.h b/drivers/net/wireless/rt2x00/rt2x00soc.h
index 4739edfe2f00..474cbfc1efc7 100644
--- a/drivers/net/wireless/rt2x00/rt2x00soc.h
+++ b/drivers/net/wireless/rt2x00/rt2x00soc.h
@@ -26,8 +26,6 @@
 #ifndef RT2X00SOC_H
 #define RT2X00SOC_H
 
-#define KSEG1ADDR(__ptr) __ptr
-
 /*
  * SoC driver handlers.
  */
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index e2da928dd9f0..177472742172 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -476,7 +476,7 @@ static int rt61pci_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 		 * The driver does not support the IV/EIV generation
 		 * in hardware. However it doesn't support the IV/EIV
 		 * inside the ieee80211 frame either, but requires it
-		 * to be provided seperately for the descriptor.
+		 * to be provided separately for the descriptor.
 		 * rt2x00lib will cut the IV/EIV data out of all frames
 		 * given to us by mac80211, but we must tell mac80211
 		 * to generate the IV/EIV data.
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index f39a8ed17841..290d70bc5d22 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -339,7 +339,7 @@ static int rt73usb_config_shared_key(struct rt2x00_dev *rt2x00dev,
 		 * The driver does not support the IV/EIV generation
 		 * in hardware. However it doesn't support the IV/EIV
 		 * inside the ieee80211 frame either, but requires it
-		 * to be provided seperately for the descriptor.
+		 * to be provided separately for the descriptor.
 		 * rt2x00lib will cut the IV/EIV data out of all frames
 		 * given to us by mac80211, but we must tell mac80211
 		 * to generate the IV/EIV data.
@@ -439,7 +439,7 @@ static int rt73usb_config_pairwise_key(struct rt2x00_dev *rt2x00dev,
 		 * The driver does not support the IV/EIV generation
 		 * in hardware. However it doesn't support the IV/EIV
 		 * inside the ieee80211 frame either, but requires it
-		 * to be provided seperately for the descriptor.
+		 * to be provided separately for the descriptor.
 		 * rt2x00lib will cut the IV/EIV data out of all frames
 		 * given to us by mac80211, but we must tell mac80211
 		 * to generate the IV/EIV data.
@@ -1661,7 +1661,7 @@ static void rt73usb_fill_rxdone(struct queue_entry *entry,
 
 		/*
 		 * Hardware has stripped IV/EIV data from 802.11 frame during
-		 * decryption. It has provided the data seperately but rt2x00lib
+		 * decryption. It has provided the data separately but rt2x00lib
 		 * should decide if it should be reinserted.
 		 */
 		rxdesc->flags |= RX_FLAG_IV_STRIPPED;
@@ -2352,6 +2352,8 @@ static struct usb_device_id rt73usb_device_table[] = {
 	{ USB_DEVICE(0x0411, 0x00f4), USB_DEVICE_DATA(&rt73usb_ops) },
 	{ USB_DEVICE(0x0411, 0x0116), USB_DEVICE_DATA(&rt73usb_ops) },
 	{ USB_DEVICE(0x0411, 0x0119), USB_DEVICE_DATA(&rt73usb_ops) },
+	/* CEIVA */
+	{ USB_DEVICE(0x178d, 0x02be), USB_DEVICE_DATA(&rt73usb_ops) },
 	/* CNet */
 	{ USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt73usb_ops) },
 	{ USB_DEVICE(0x1371, 0x9032), USB_DEVICE_DATA(&rt73usb_ops) },
diff --git a/drivers/net/wireless/wl12xx/wl1251_debugfs.c b/drivers/net/wireless/wl12xx/wl1251_debugfs.c
index 0ccba57fb9fb..05e4d68eb4cc 100644
--- a/drivers/net/wireless/wl12xx/wl1251_debugfs.c
+++ b/drivers/net/wireless/wl12xx/wl1251_debugfs.c
@@ -466,7 +466,8 @@ out:
 
 void wl1251_debugfs_reset(struct wl1251 *wl)
 {
-	memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
+	if (wl->stats.fw_stats != NULL)
+		memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats));
 	wl->stats.retry_count = 0;
 	wl->stats.excessive_retries = 0;
 }
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 2d555cc30508..00e09e26c826 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -350,7 +350,7 @@ static void zd_mac_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb,
 	first_idx = info->status.rates[0].idx;
 	ZD_ASSERT(0<=first_idx && first_idx<ARRAY_SIZE(zd_retry_rates));
 	retries = &zd_retry_rates[first_idx];
-	ZD_ASSERT(0<=retry && retry<=retries->count);
+	ZD_ASSERT(1 <= retry && retry <= retries->count);
 
 	info->status.rates[0].idx = retries->rate[0];
 	info->status.rates[0].count = 1; // (retry > 1 ? 2 : 1);
@@ -360,7 +360,7 @@ static void zd_mac_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb,
 		info->status.rates[i].count = 1; // ((i==retry-1) && success ? 1:2);
 	}
 	for (; i<IEEE80211_TX_MAX_RATES && i<retry; i++) {
-		info->status.rates[i].idx = retries->rate[retry-1];
+		info->status.rates[i].idx = retries->rate[retry - 1];
 		info->status.rates[i].count = 1; // (success ? 1:2);
 	}
 	if (i<IEEE80211_TX_MAX_RATES)
@@ -374,7 +374,7 @@ static void zd_mac_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb,
  * zd_mac_tx_failed - callback for failed frames
  * @dev: the mac80211 wireless device
  *
- * This function is called if a frame couldn't be successfully be
+ * This function is called if a frame couldn't be successfully
  * transferred. The first frame from the tx queue, will be selected and
  * reported as error to the upper layers.
  */
@@ -424,12 +424,10 @@ void zd_mac_tx_failed(struct urb *urb)
 		first_idx = info->status.rates[0].idx;
 		ZD_ASSERT(0<=first_idx && first_idx<ARRAY_SIZE(zd_retry_rates));
 		retries = &zd_retry_rates[first_idx];
-		if (retry < 0 || retry > retries->count) {
+		if (retry <= 0 || retry > retries->count)
 			continue;
-		}
 
-		ZD_ASSERT(0<=retry && retry<=retries->count);
-		final_idx = retries->rate[retry-1];
+		final_idx = retries->rate[retry - 1];
 		final_rate = zd_rates[final_idx].hw_value;
 
 		if (final_rate != tx_status->rate) {
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 406757a9d7ea..dee4fb56b094 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -376,8 +376,11 @@ unsigned long __init unflatten_dt_node(unsigned long mem,
 		if (!np->type)
 			np->type = "<NULL>";
 	}
-	while (tag == OF_DT_BEGIN_NODE) {
-		mem = unflatten_dt_node(mem, p, np, allnextpp, fpsize);
+	while (tag == OF_DT_BEGIN_NODE || tag == OF_DT_NOP) {
+		if (tag == OF_DT_NOP)
+			*p += 4;
+		else
+			mem = unflatten_dt_node(mem, p, np, allnextpp, fpsize);
 		tag = be32_to_cpup((__be32 *)(*p));
 	}
 	if (tag != OF_DT_END_NODE) {
diff --git a/drivers/parisc/eisa_enumerator.c b/drivers/parisc/eisa_enumerator.c
index 0be1d50645ab..caa153133754 100644
--- a/drivers/parisc/eisa_enumerator.c
+++ b/drivers/parisc/eisa_enumerator.c
@@ -460,7 +460,7 @@ static int init_slot(int slot, struct eeprom_eisa_slot_info *es)
 			       slot, id_string);
 			
 			print_eisa_id(id_string, es->eisa_slot_id);
-			printk(" expected %s \n", id_string);
+			printk(" expected %s\n", id_string);
 		
 			return -1;	
 			
diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c
index 0bc5d474b168..1062b8ffe244 100644
--- a/drivers/parisc/pdc_stable.c
+++ b/drivers/parisc/pdc_stable.c
@@ -481,7 +481,7 @@ pdcspath_attr_store(struct kobject *kobj, struct attribute *attr,
 	return ret;
 }
 
-static struct sysfs_ops pdcspath_attr_ops = {
+static const struct sysfs_ops pdcspath_attr_ops = {
 	.show = pdcspath_attr_show,
 	.store = pdcspath_attr_store,
 };
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index a35c9c5b89e8..f7806d81f1e0 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -169,7 +169,7 @@ superio_init(struct pci_dev *pcidev)
 	/* ...then properly fixup the USB to point at suckyio PIC */
 	sio->usb_pdev->irq = superio_fixup_irq(sio->usb_pdev);
 
-	printk(KERN_INFO PFX "Found NS87560 Legacy I/O device at %s (IRQ %i) \n",
+	printk(KERN_INFO PFX "Found NS87560 Legacy I/O device at %s (IRQ %i)\n",
 	       pci_name(pdev), pdev->irq);
 
 	pci_read_config_dword (pdev, SIO_SP1BAR, &sio->sp1_base);
diff --git a/drivers/parport/ChangeLog b/drivers/parport/ChangeLog
deleted file mode 100644
index 8565bbbeb6ec..000000000000
--- a/drivers/parport/ChangeLog
+++ /dev/null
@@ -1,583 +0,0 @@
-2001-10-11  Tim Waugh  <twaugh@redhat.com>
-	* parport_pc.c, parport_serial.c: Support for NetMos cards.
-	+ Patch originally from Michael Reinelt <reinelt@eunet.at>.
-
-2002-04-25  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_serial.c, parport_pc.c: Move some SIIG cards around.
-	Patch from Andrey Panin.
-
-2002-01-20  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_pc_compat_write_block_pio,
-	parport_pc_ecp_write_block_pio, parport_pc_ecp_read_block_pio):
-	Use the default implementations if the caller wants to use
-	O_NONBLOCK.
-
-2002-02-25  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c: Make sure that priv->ctr_writable includes IntEn
-	even if IRQ is given as a parameter.
-
-2002-01-21  Tim Waugh  <twaugh@redhat.com>
-
-	* daisy.c: Apply patch from Max Vorobiev to make parport_daisy_select
-	work for ECP/EPP modes.
-
-2002-01-13  Niels Kristian Bech Jensen  <nkbj@image.dk>
-
-	* parport_pc.c: Change some occurrences of frob_set_mode to
-	ECR_WRITE.  This fixes PLIP.
-
-2002-01-04  Tim Waugh  <twaugh@redhat.com>
-
-	* share.c (parport_claim_or_block): Sleep interruptibly to prevent
-	a possible deadlock.
-
-2001-12-07  Damian Gruszka  <damian.gruszka@VisionSystems.de>
-
-	* parport_pc.c (ECR_WRITE): Define.  If there are forbidden bits
-	in the ECR register for some chips, this will be a useful place to
-	put that knowledge.
-	(change_mode): Use ECR_WRITE.
-	(parport_pc_restore_state): Likewise.
-	(parport_ECPPS2_supported): Likewise.
-	(parport_ECPEPP_supported): Likewise.
-	(irq_probe_EPP): Likewise.
-	(programmable_irq_support): Likewise.
-	(programmable_dma_support): Likewise.
-	(parport_pc_probe_port): Likewise.
-
-	(frob_set_mode): New function.  Set the mode bits of the ECR.
-	(get_fifo_residue): Use frob_set_mode.
-	(parport_pc_ecpepp_read_data): Likewise.
-	(parport_pc_ecpepp_write_data): Likewise.
-	(parport_pc_ecpepp_read_addr): Likewise.
-	(parport_pc_ecpepp_write_addr): Likewise.
-	(parport_pc_compat_write_block_pio): Likewise.
-	(parport_pc_ecp_write_block_pio): Likewise.
-	(parport_ECR_present): Likewise.
-	(parport_ECP_supported): Likewise.
-	(parport_EPP_supported): Likewise.
-	(parport_ECPEPP_supported): Likewise.
-	(programmable_irq_support): Likewise.
-	(irq_probe_ECP): Likewise.
-	(programmable_dma_support): Likewise.
-
-	(parport_pc_enable_irq): Only enable interrupts if we know which
-	IRQ line they will come from.
-	(parport_pc_init_state): Set nErrIntrEn at initialisation.
-	(parport_pc_restore_state): Only write writable bits of CTR.
-	(parport_irq_probe): If no IRQ is found, take ackIntEn out of the
-	writable bit set.
-
-2001-12-07  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_pc_fifo_write_block_pio): Correct typo.
-	(parport_pc_init_state): Only set ackIntEn if we know which IRQ
-	line the interrupts will come from.
-
-2001-12-07  Tim Waugh  <twaugh@redhat.com>
-
-	* ieee1284_ops.c (parport_ieee1284_epp_write_addr,
-	parport_ieee1284_epp_read_addr): Actually do something useful.
-
-2001-12-07  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (dmaval): Don't use DMA by default.  It seems to be
-	too buggy at the moment.  Use 'dma=auto' to restore the previous
-	behaviour.
-
-2001-12-07  Tim Waugh  <twaugh@redhat.com>
-
-	* daisy.c (DEBUG): Undefine.
-
-2001-12-06  Tim Waugh  <twaugh@redhat.com>
-
-	* ieee1284_ops.c (parport_ieee1284_ecp_read_data): Mask off
-	PARPORT_CONTROL_AUTOFD as well.  Bug spotted by Joe
-	<joeja@mindspring.com>.
-
-2001-12-03  Rich Liu  <Rich.Liu@ite.com.tw>
-
-	* parport_pc.c (sio_ite_8872_probe): ITE8873 is a single-port
-	serial board, not a serial+parallel.
-
-2001-11-30  Niels Kristian Bech Jensen  <nkbj@image.dk>
-
-	* parport_pc.c: Fix compiler warning.
-
-2001-11-14  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_pc_pci_probe): Hooks for PCI cards before
-	and after probing for ports.
-	* parport_serial.c (parport_register): Likewise.
-
-2001-11-12  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (init_module): Warn when parameters are ignored.
-
-2001-11-01  Damian Gruszka  <damian.gruszka@VisionSystems.de>
-
-	* parport_serial.c (serial_register): Set base_baud before
-	calling register_serial.
-
-2001-10-26  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_irq_probe): When ECR programmable IRQ
-	support fails, generate interrupts using the FIFO even if we don't
-	want to use the FIFO for real data transfers.
-	(parport_pc_probe_port): Display the ECR address if we have an
-	ECR, not just if we will use the FIFO.
-
-2001-10-24  Dave Strauss  <D.Strauss@motorola.com>
-
-	* parport_pc.c (parport_pc_compat_write_block_pio,
-	parport_pc_ecp_write_block_pio): Allow a few seconds for an ECP
-	transfer to finish up.
-
-2001-10-11  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc (sio_ite_8872_probe): New function, submitted by Rich
-	Liu from ITE.  Cleaned up, removed bogus phys_to_virt calls.
-
-2001-10-24  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c: Support for AKS AladdinCARD.  Patch from
-	Aladdin Knowledge Systems (Christian Groessler).
-
-2001-10-24  Tim Waugh  <twaugh@redhat.com>
-	
-	* ieee1284_ops.c (parport_ieee1284_ecp_read_data): Try to minimise
-	turnaround time.
-
-	* ieee1284.c (parport_poll_peripheral): Try a couple of times
-	first without delaying.
-
-2001-10-10  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c: Support for OX16PCI954 PCI card.
-
-2001-10-10  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c: Support for OX12PCI840 PCI card (reported by
-	mk@daveg.com).  Lock-ups diagnosed by Ronnie Arosa (and now we
-	just don't trust its ECR).
-
-2001-10-10  Gunther Mayer  <gunther.mayer@braunschweig.okersurf.de>
-
-	* parport_pc.c: Support for AVLAB cards.
-
-2001-10-10  Tim Waugh  <twaugh@redhat.com>
-
-	* ieee1284_ops.c (ecp_forward_to_reverse, ecp_reverse_to_forward):
-	Remember to retry direction switch if it fails.  Patch from David
-	Lambert.
-
-2001-10-08  David C. Hansen  <haveblue@us.ibm.com>
-
-	* share.c: Make driverlist_lock and parportlist_lock static.
-
-2001-10-08  Philip Blundell  <philb@gnu.org>
-
-	* parport_pc.c: New modular parameter verbose_logging.
-	Make port->modes indicate the modes that we are prepared to use,
-	rather than the modes that are available.
-
-2001-10-07  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_pc_probe_port): Fix memory leak spotted by
-	Kipp Cannon.
-
-2001-10-07  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_serial.c: Remove NetMos support, since it causes problems
-	for some people.
-
-2001-08-30  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_serial.c (parport_serial_pci_probe): Clean-up on partial
-	registration failure.
-
-2001-08-14  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_pc_init_superio): Allow for more than one
-	SuperIO device.  Patch from Rich Lio (ITE).
-
-2001-08-11  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c: Support for Titan Electronics cards.
-
-2001-08-08  Tim Waugh  <twaugh@redhat.com>
-
-	* share.c (parport_unregister_device): Remove device from wait list
-	too.
-
-2001-06-20  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c: Make 'io_hi=0' work.
-
-2001-05-31  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_serial.c: New file.
-
-2001-06-05  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_pc_unregister_port): New exported function.
-	Do the opposite of parport_pc_probe_port.
-	(cleanup_module): Use it.
-
-2001-05-22  Juan Quintela  <quintela@mandrakesoft.com>
-
-	* parport_amiga.c: Set printk levels.
-	* parport_gsc.c: Likewise.
-	* parport_mfc3.c: Likewise.
-	* parport_pc.c: Likewise.
-	* parport_sunbpp.c: Likewise.
-	* probe.c: Likewise.
-	* share.c: Likewise.
-
-2001-05-10  Fred Barnes  <frmb2@ukc.ac.uk>
-
-       * parport_pc.c (parport_pc_epp_read_data): added support for
-       reading from a w91284pic peripheral, flag is PARPORT_W91284PIC.
-
-2001-05-07  Fred Barnes  <frmb2@ukc.ac.uk>
- 
- 	* parport_pc.c (parport_pc_epp_read_data,
-	parport_pc_epp_write_data, parport_pc_epp_read_addr,
-	parport_pc_epp_write_addr): support for fast reads/writes using
-	the PARPORT_EPP_FAST flag.
- 
- 	* ieee1284.c (parport_read, parport_write): added code to handle
-	software EPP mode (IEEE1284_MODE_EPPSWE).  Added code to allow
-	BYTE mode reverse transfers (previously always went for NIBBLE
-	mode).
- 
- 	* ieee1284_ops.c (parport_ieee1284_epp_read_data,
-	parport_ieee1284_epp_write_data): fixed various polarity problems.
-	Also (theoretically) fixed address versions (.._addr), but no
-	hardware to test this on.
- 
- 	* parport_pc.h: added parport_dump_state() function for debugging.
- 	Needs to have DEBUG_PARPORT to be defined for it to be included.
- 
-2001-05-03  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c: Fix the compile problem I introduce from the last
-	change.
-
-2001-04-20  Paul Gortmaker  <p_gortmaker@yahoo.com>
-
-	* parport_pc.c: Cut down the size quite a bit (more than 4k off
-	the object, about 1k off the zImage) for the older non-PCI
-	machines which are typically resource starved anyway...
-
-2001-03-26  R Horn  <rjh@world.std.com>
-
-	* parport_pc.c: Some commentary changes.
-
-2001-04-19  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_pc_probe_port): Remove __devinit
-	attribute.  Export unconditionally.
-
-2001-04-14  Jeff Garzik  <jgarzik@pobox.com>
-
-	Merged:  2001-03-30  Tim Waugh  <twaugh@redhat.com>
-
-        * drivers/parport/parport_pc.c: Make Via SuperIO chipsets behave
-        like everything else with respect to irq= and dma= parameters.
-
-2001-04-08  Tim Waugh  <twaugh@redhat.com>
-
-      * parport_pc.c (parport_pc_save_state): Read from the soft copy of
-      the control port.
-      (parport_pc_restore_state): Update the soft copy of the control
-      port.
-
-2001-03-26  Tim Waugh  <twaugh@redhat.com>
-
-	* share.c (parport_find_number, parport_find_base): Trigger
-	a lowlevel driver load if there are no ports yet.
-
-2001-03-26  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_ECP_supported): Remove the IRQ conflict
-	check since it seems totally unreliable.
-
-2001-03-02  Tim Waugh  <twaugh@redhat.com>
-
-	* ieee1284_ops.c (parport_ieee1284_read_nibble): Reset nAutoFd
-	on timeout.  Matches 2.2.x behaviour.
-
-2001-03-02  Andrew Morton
-
-	* parport_pc.c (registered_parport): New static variable.
-	(parport_pc_find_ports): Set it when we register PCI driver.
-	(init_module): Unregister PCI driver if necessary when we
-	fail.
-
-2001-03-02  Tim Waugh  <twaugh@redhat.com>
-
-	* ieee1284_ops.c (parport_ieee1284_write_compat): Don't use
-	down_trylock to reset the IRQ count.  Don't even use sema_init,
-	because it's not even necessary to reset the count.  I can't
-	remember why we ever did.
-
-2001-01-04  Peter Osterlund  <peter.osterlund@mailbox.swipnet.se>
-
-	* ieee1284.c (parport_negotiate): Fix missing printk argument.
-
-2001-01-03  Paul Schleger  <Paul.Schleger@t-online.de>
-
-	* probe.c (parse_data): Get rid of trailing blanks in values.
-	Needed for XEROX XJ8C printer.
-
-2001-01-03  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_pc_probe_port): Say something when probes
-	are omitted.
-
-2001-01-03  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (sio_via_686a_probe): Correct dma=255 fix.
-
-2000-11-21  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_pc_ecp_write_block_pio): Fix
-	reverse-to-forward logic.  Spotted by Roland Kuck
-	<rci@cityweb.de>.
-
-2000-09-16  Cesar Eduardo Barros  <cesarb@nitnet.com.br>
-
-	* parport_pc.c (sio_via_686a_probe): Handle case
-	where hardware returns 255 for IRQ or DMA.
-
-2000-07-20  Eddie C. Dost  <ecd@skynet.be>
-
-	* share.c (attach_driver_chain): attach[i](port) needs to be
-	replaced by attach[count](port).
-
-2000-07-20  Eddie C. Dost  <ecd@skynet.be>
-
-	* daisy.c (add_dev): kmalloc args are in wrong order.
-
-2000-07-12  Tim Waugh  <twaugh@redhat.com>
-
-	* share.c: Documentation for parport_{get,port}_port,
-	parport_find_{number,base}.
-
-2000-07-12  Tim Waugh  <twaugh@redhat.com>
-
-	* share.c (parport_unregister_device): Remove unneeded locking
-	(test cad==dev).
-	(parport_claim): Likewise.
-	(parport_find_number): New function.
-
-2000-07-12  Tim Waugh  <twaugh@redhat.com>
-
-	* share.c (parport_register_port): Hold the parportlist_lock while
-	looking for a free parport number.
-	(parport_register_driver): Make sure that attach can block.
-	(attach_driver_chain): Likewise.
-
-2000-07-12  Tim Waugh  <twaugh@redhat.com>
-
-	* share.c (call_driver_chain): Do reference counting things.
-	(parport_get_port): New function.
-	(parport_put_port): New function.
-	(parport_register_port): Initialise reference count to zero.
-	(parport_unregister_port): Check reference count rather than
-	driver list to see if we can free the port.
-
-2000-07-12  Tim Waugh  <twaugh@redhat.com>
-
-	* share.c: Clarifications in doc comments.
-
-2000-07-12  Tim Waugh  <twaugh@redhat.com>
-
-	* share.c (parport_unregister_port): Fix typo in comment.
-
-2000-07-11  Gunther Mayer  <gunther.mayer@braunschweig.okersurf.de>
-
-	* parport_pc.c: Support for the full range of Timedia cards.
-
-2000-07-08  Tim Waugh  <twaugh@redhat.com>
-
-	* daisy.c: License block comments as part of parportbook.
-	* ieee1284.c: Likewise.
-	* share.c: Likewise.
-
-2000-06-30  Petr Vandrovec  <vandrove@vc.cvut.cz>
-
-	* procfs.c (do_hardware_modes): Generated string can be up to 34
-	chars long.
-
-2000-06-20  Gunther Mayer  <gunther.mayer@braunschweig.okersurf.de>
-
-	* parport_pc.c (parport_pc_compat_write_block_pio): Warn about
-	change_mode failures.
-	(parport_pc_ecp_write_block_pio): Likewise.
-	(parport_pc_ecp_read_block_pio): Likewise.
-
-2000-06-20  Gunther Mayer  <gunther.mayer@braunschweig.okersurf.de>
-
-	* parport_pc.c (parport_SPP_supported): Warn more about possibly
-	incorrect parameters.
-
-2000-06-15  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_ECP_supported): Set PARPORT_MODE_COMPAT
-	for ECP ports, since they can all do hardware accelerated
-	compatibility mode (I assume).
-
-2000-06-13  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (cleanup_module): Remark about possible bugs.
-
-2000-06-13  Tim Waugh  <twaugh@redhat.com>
-
-	* procfs.c: Break 'hardware' out into separate files.
-
-2000-05-28  Gunther Mayer  <gunther.mayer@braunschweig.okersurf.de>
-
-	* Fix PCI ID printk for non-superio PCI cards.
-
-2000-05-28  Tim Waugh  <twaugh@redhat.com>
-
-	* share.c (call_driver_chain): Get the driverlist_lock.
-	(parport_register_device): Make sure that port->devices always
-	looks consistent.
-	(parport_register_driver): Ensure that parport drivers are given
-	parameters that are valid for the duration of the callback by
-	locking the portlist against changes.
-	(parport_unregister_driver): Likewise.
-	(parport_claim): Don't overwrite flags.
-
-2000-05-28  Tim Waugh  <twaugh@redhat.com>
-
-	* daisy.c (assign_addrs): Avoid double-probing daisy-chain devices
-	if the first probe succeeds.
-
-2000-05-16  Tim Waugh  <twaugh@redhat.com>
-
-	* share.c (parport_claim): Fix SMP race.
-
-2000-05-15  Gunther Mayer  <gunther.mayer@braunschweig.okersurf.de>
-
-	* parport_pc.c (parport_pc_compat_write_block_pio): Check for
-	timeouts.
-	(parport_pc_ecp_write_block_pio): Likewise.
-	(parport_pc_ecp_read_block_pio): Likewise.
-
-2000-05-02  Gunther Mayer  <gunther.mayer@braunschweig.okersurf.de>
-
-	* parport_pc.c: PCI SYBA patch and verbose PCI detection.
-
-2000-05-02  Gunther Mayer  <gunther.mayer@braunschweig.okersurf.de>
-
-	* parport_pc.c (decode_smsc): Fix SMSC 665/666 identification.
-
-2000-04-28  Tim Waugh  <twaugh@redhat.com>
-
-	* ieee1284.c: Short function descriptions can't be multiline.
-
-	* daisy.c: Short function descriptions can't be multiline.
-
-2000-04-19  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_pc_fifo_write_block_dma): Make maxlen
-	calculation a bit clearer.
-
-	* ieee1284.c (parport_negotiate): Turn on data line drivers.
-
-	* ieee1284_ops.c (parport_ieee1284_read_byte): Turn off data line
-	drivers.
-	(parport_ieee1284_write_compat): Turn on data line drivers.
-
-	* daisy.c (assign_addrs): Turn on data line drivers.
-	(cpp_mux): Likewise.
-	(cpp_daisy): Likewise.
-
-2000-04-04  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c: Add support for another PCI card.
-
-2000-04-04  Tim Waugh  <twaugh@redhat.com>
-
-	* daisy.c: Documentation in kernel-doc format.
-
-	* ieee1284.c: Likewise.
-
-	* share.c: Likewise.
-
-2000-04-01  Tim Waugh  <twaugh@redhat.com>
-
-	* share.c (parport_register_device): Need to hold the module
-	reference counts before sleeping.
-
-2000-03-27  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_pc_ecp_read_block_pio): Correct operation
-	when peripheral is trying to send data when we stop listening.
-
-2000-03-22  Tim Waugh  <twaugh@redhat.com>
-
-	* init.c (parport_setup): Fix return value.
-
-2000-03-21  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_pc_pci_probe): Fix return value; call
-	pci_enable_device.
-
-2000-03-16  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_ECP_supported): This seems to trigger on
-	machines that don't have an IRQ conflict; toned down the warning
-	message accordingly.
-
-2000-03-16  Gunther Mayer  <gunther.mayer@braunschweig.netsurf.de>
-
-	* parport_pc.c (show_parconfig_smsc37c669): Fix typo.
-	(decode_winbond): More IDs.
-	(winbond_check): Protect against false positives.
-	(winbond_check2): Likewise.
-	(smsc_check): Likewise.
-
-2000-03-15  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (cleanup_module): Don't call pci_unregister_driver
-	if we didn't call pci_register_driver first.
-
-2000-03-13  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (parport_pc_init): Moved from asm/parport.h.
-
-	* Config.in: CONFIG_PARPORT_PC_SUPERIO: new option.
-
-	* parport_pc.c (show_parconfig_smsc37c669): Make __devinit.
-	(show_parconfig_winbond): Likewise.
-	(decode_winbond): Likewise.
-	(decode_smsc): Likewise.
-	(winbond_check): Likewise.
-	(winbond_check2): Likewise.
-	(smsc_check): Likewise.
-	(detect_and_report_winbond): Likewise.
-	(detect_and_report_smsc): Likewise.
-	(get_superio_dma): Likewise.
-	(get_superio_irq): Likewise.
-	(parport_pc_find_isa_ports): New function.
-	(parport_pc_find_ports): New function.
-	(init_module): Make superio a config option, not a parameter.
-
-2000-03-10  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c (decode_winbond): Use correct 83877ATF chip ID.
-	(decode_winbond): Fix typo.
-
-2000-03-09  Tim Waugh  <twaugh@redhat.com>
-
-	* parport_pc.c: Integrate SuperIO PCI probe with normal PCI card
-	probe, so that the MODULE_DEVICE_TABLE is complete.
-
diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c
index ad113b0f62db..0950fa40684f 100644
--- a/drivers/parport/parport_pc.c
+++ b/drivers/parport/parport_pc.c
@@ -2908,6 +2908,7 @@ enum parport_pc_pci_cards {
 	netmos_9805,
 	netmos_9815,
 	netmos_9901,
+	netmos_9865,
 	quatech_sppxp100,
 };
 
@@ -2989,6 +2990,7 @@ static struct parport_pc_pci {
 	/* netmos_9805 */               { 1, { { 0, -1 }, } },
 	/* netmos_9815 */               { 2, { { 0, -1 }, { 2, -1 }, } },
 	/* netmos_9901 */               { 1, { { 0, -1 }, } },
+	/* netmos_9865 */               { 1, { { 0, -1 }, } },
 	/* quatech_sppxp100 */		{ 1, { { 0, 1 }, } },
 };
 
@@ -3092,6 +3094,10 @@ static const struct pci_device_id parport_pc_pci_tbl[] = {
 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, netmos_9815 },
 	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9901,
 	  0xA000, 0x2000, 0, 0, netmos_9901 },
+	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
+	  0xA000, 0x1000, 0, 0, netmos_9865 },
+	{ PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
+	  0xA000, 0x2000, 0, 0, netmos_9865 },
 	/* Quatech SPPXP-100 Parallel port PCI ExpressCard */
 	{ PCI_VENDOR_ID_QUATECH, PCI_DEVICE_ID_QUATECH_SPPXP_100,
 	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, quatech_sppxp100 },
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 3d102dd87c9f..0b51857fbaf7 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -48,6 +48,7 @@ obj-$(CONFIG_PPC) += setup-bus.o
 obj-$(CONFIG_MIPS) += setup-bus.o setup-irq.o
 obj-$(CONFIG_X86_VISWS) += setup-irq.o
 obj-$(CONFIG_MN10300) += setup-bus.o
+obj-$(CONFIG_MICROBLAZE) += setup-bus.o
 
 #
 # ACPI Related PCI FW Functions
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 712250f5874a..26301cb25e7f 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -288,9 +288,9 @@ void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *),
 			next = dev->bus_list.next;
 
 		/* Run device routines with the device locked */
-		down(&dev->dev.sem);
+		device_lock(&dev->dev);
 		retval = cb(dev, userdata);
-		up(&dev->dev.sem);
+		device_unlock(&dev->dev);
 		if (retval)
 			break;
 	}
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index cb2fd01eddae..b5dad9f37453 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -749,6 +749,24 @@ static int acpiphp_bus_trim(acpi_handle handle)
 	return retval;
 }
 
+static void acpiphp_set_acpi_region(struct acpiphp_slot *slot)
+{
+	struct acpiphp_func *func;
+	union acpi_object params[2];
+	struct acpi_object_list arg_list;
+
+	list_for_each_entry(func, &slot->funcs, sibling) {
+		arg_list.count = 2;
+		arg_list.pointer = params;
+		params[0].type = ACPI_TYPE_INTEGER;
+		params[0].integer.value = ACPI_ADR_SPACE_PCI_CONFIG;
+		params[1].type = ACPI_TYPE_INTEGER;
+		params[1].integer.value = 1;
+		/* _REG is optional, we don't care about if there is failure */
+		acpi_evaluate_object(func->handle, "_REG", &arg_list, NULL);
+	}
+}
+
 /**
  * enable_device - enable, configure a slot
  * @slot: slot to be enabled
@@ -805,6 +823,7 @@ static int __ref enable_device(struct acpiphp_slot *slot)
 	pci_bus_assign_resources(bus);
 	acpiphp_sanitize_bus(bus);
 	acpiphp_set_hpp_values(bus);
+	acpiphp_set_acpi_region(slot);
 	pci_enable_bridges(bus);
 	pci_bus_add_devices(bus);
 
diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c
index 6151389fd903..0a894efd4b9b 100644
--- a/drivers/pci/hotplug/fakephp.c
+++ b/drivers/pci/hotplug/fakephp.c
@@ -73,7 +73,7 @@ static void legacy_release(struct kobject *kobj)
 }
 
 static struct kobj_type legacy_ktype = {
-	.sysfs_ops = &(struct sysfs_ops){
+	.sysfs_ops = &(const struct sysfs_ops){
 		.store = legacy_store, .show = legacy_show
 	},
 	.release = &legacy_release,
diff --git a/drivers/pci/hotplug/ibmphp_res.c b/drivers/pci/hotplug/ibmphp_res.c
index ec73294d1fa6..e2dc289f767c 100644
--- a/drivers/pci/hotplug/ibmphp_res.c
+++ b/drivers/pci/hotplug/ibmphp_res.c
@@ -40,7 +40,7 @@ static void update_resources (struct bus_node *bus_cur, int type, int rangeno);
 static int once_over (void);
 static int remove_ranges (struct bus_node *, struct bus_node *);
 static int update_bridge_ranges (struct bus_node **);
-static int add_range (int type, struct range_node *, struct bus_node *);
+static int add_bus_range (int type, struct range_node *, struct bus_node *);
 static void fix_resources (struct bus_node *);
 static struct bus_node *find_bus_wprev (u8, struct bus_node **, u8);
 
@@ -133,7 +133,7 @@ static int __init alloc_bus_range (struct bus_node **new_bus, struct range_node
 		newrange->rangeno = 1;
 	else {
 		/* need to insert our range */
-		add_range (flag, newrange, newbus);
+		add_bus_range (flag, newrange, newbus);
 		debug ("%d resource Primary Bus inserted on bus %x [%x - %x]\n", flag, newbus->busno, newrange->start, newrange->end);
 	}
 
@@ -384,7 +384,7 @@ int __init ibmphp_rsrc_init (void)
  * Input: type of the resource, range to add, current bus
  * Output: 0 or -1, bus and range ptrs 
  ********************************************************************************/
-static int add_range (int type, struct range_node *range, struct bus_node *bus_cur)
+static int add_bus_range (int type, struct range_node *range, struct bus_node *bus_cur)
 {
 	struct range_node *range_cur = NULL;
 	struct range_node *range_prev;
@@ -455,7 +455,7 @@ static int add_range (int type, struct range_node *range, struct bus_node *bus_c
 
 /*******************************************************************************
  * This routine goes through the list of resources of type 'type' and updates
- * the range numbers that they correspond to.  It was called from add_range fnc
+ * the range numbers that they correspond to.  It was called from add_bus_range fnc
  *
  * Input: bus, type of the resource, the rangeno starting from which to update
  ******************************************************************************/
@@ -1999,7 +1999,7 @@ static int __init update_bridge_ranges (struct bus_node **bus)
 
 							if (bus_sec->noIORanges > 0) {
 								if (!range_exists_already (range, bus_sec, IO)) {
-									add_range (IO, range, bus_sec);
+									add_bus_range (IO, range, bus_sec);
 									++bus_sec->noIORanges;
 								} else {
 									kfree (range);
@@ -2048,7 +2048,7 @@ static int __init update_bridge_ranges (struct bus_node **bus)
 
 							if (bus_sec->noMemRanges > 0) {
 								if (!range_exists_already (range, bus_sec, MEM)) {
-									add_range (MEM, range, bus_sec);
+									add_bus_range (MEM, range, bus_sec);
 									++bus_sec->noMemRanges;
 								} else {
 									kfree (range);
@@ -2102,7 +2102,7 @@ static int __init update_bridge_ranges (struct bus_node **bus)
 
 							if (bus_sec->noPFMemRanges > 0) {
 								if (!range_exists_already (range, bus_sec, PFMEM)) {
-									add_range (PFMEM, range, bus_sec);
+									add_bus_range (PFMEM, range, bus_sec);
 									++bus_sec->noPFMemRanges;
 								} else {
 									kfree (range);
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 40b48f569b1e..9665d6b17a2a 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -832,9 +832,8 @@ static inline void dbg_ctrl(struct controller *ctrl)
 	for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
 		if (!pci_resource_len(pdev, i))
 			continue;
-		ctrl_info(ctrl, "  PCI resource [%d]     : 0x%llx@0x%llx\n",
-			  i, (unsigned long long)pci_resource_len(pdev, i),
-			  (unsigned long long)pci_resource_start(pdev, i));
+		ctrl_info(ctrl, "  PCI resource [%d]     : %pR\n",
+			  i, &pdev->resource[i]);
 	}
 	ctrl_info(ctrl, "Slot Capabilities      : 0x%08x\n", ctrl->slot_cap);
 	ctrl_info(ctrl, "  Physical Slot Number : %d\n", PSN(ctrl));
diff --git a/drivers/pci/ioapic.c b/drivers/pci/ioapic.c
index 3e0d7b5dd1b9..fb9fdf4a42bf 100644
--- a/drivers/pci/ioapic.c
+++ b/drivers/pci/ioapic.c
@@ -31,9 +31,9 @@ static int ioapic_probe(struct pci_dev *dev, const struct pci_device_id *ent)
 	acpi_status status;
 	unsigned long long gsb;
 	struct ioapic *ioapic;
-	u64 addr;
 	int ret;
 	char *type;
+	struct resource *res;
 
 	handle = DEVICE_ACPI_HANDLE(&dev->dev);
 	if (!handle)
@@ -69,13 +69,12 @@ static int ioapic_probe(struct pci_dev *dev, const struct pci_device_id *ent)
 	if (pci_request_region(dev, 0, type))
 		goto exit_disable;
 
-	addr = pci_resource_start(dev, 0);
-	if (acpi_register_ioapic(ioapic->handle, addr, ioapic->gsi_base))
+	res = &dev->resource[0];
+	if (acpi_register_ioapic(ioapic->handle, res->start, ioapic->gsi_base))
 		goto exit_release;
 
 	pci_set_drvdata(dev, ioapic);
-	dev_info(&dev->dev, "%s at %#llx, GSI %u\n", type, addr,
-		 ioapic->gsi_base);
+	dev_info(&dev->dev, "%s at %pR, GSI %u\n", type, res, ioapic->gsi_base);
 	return 0;
 
 exit_release:
diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 807224ec8351..997668558e79 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -642,6 +642,7 @@ void pci_create_legacy_files(struct pci_bus *b)
 	if (!b->legacy_io)
 		goto kzalloc_err;
 
+	sysfs_bin_attr_init(b->legacy_io);
 	b->legacy_io->attr.name = "legacy_io";
 	b->legacy_io->size = 0xffff;
 	b->legacy_io->attr.mode = S_IRUSR | S_IWUSR;
@@ -655,6 +656,7 @@ void pci_create_legacy_files(struct pci_bus *b)
 
 	/* Allocated above after the legacy_io struct */
 	b->legacy_mem = b->legacy_io + 1;
+	sysfs_bin_attr_init(b->legacy_mem);
 	b->legacy_mem->attr.name = "legacy_mem";
 	b->legacy_mem->size = 1024*1024;
 	b->legacy_mem->attr.mode = S_IRUSR | S_IWUSR;
@@ -800,6 +802,7 @@ static int pci_create_attr(struct pci_dev *pdev, int num, int write_combine)
 	if (res_attr) {
 		char *res_attr_name = (char *)(res_attr + 1);
 
+		sysfs_bin_attr_init(res_attr);
 		if (write_combine) {
 			pdev->res_attr_wc[num] = res_attr;
 			sprintf(res_attr_name, "resource%d_wc", num);
@@ -972,6 +975,7 @@ static int pci_create_capabilities_sysfs(struct pci_dev *dev)
 		if (!attr)
 			return -ENOMEM;
 
+		sysfs_bin_attr_init(attr);
 		attr->size = dev->vpd->len;
 		attr->attr.name = "vpd";
 		attr->attr.mode = S_IRUSR | S_IWUSR;
@@ -1038,6 +1042,7 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev)
 			retval = -ENOMEM;
 			goto err_resource_files;
 		}
+		sysfs_bin_attr_init(attr);
 		attr->size = rom_size;
 		attr->attr.name = "rom";
 		attr->attr.mode = S_IRUSR;
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 5b548aee9cbc..1531f3a49879 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -303,6 +303,49 @@ int pci_find_ext_capability(struct pci_dev *dev, int cap)
 }
 EXPORT_SYMBOL_GPL(pci_find_ext_capability);
 
+/**
+ * pci_bus_find_ext_capability - find an extended capability
+ * @bus:   the PCI bus to query
+ * @devfn: PCI device to query
+ * @cap:   capability code
+ *
+ * Like pci_find_ext_capability() but works for pci devices that do not have a
+ * pci_dev structure set up yet.
+ *
+ * Returns the address of the requested capability structure within the
+ * device's PCI configuration space or 0 in case the device does not
+ * support it.
+ */
+int pci_bus_find_ext_capability(struct pci_bus *bus, unsigned int devfn,
+				int cap)
+{
+	u32 header;
+	int ttl;
+	int pos = PCI_CFG_SPACE_SIZE;
+
+	/* minimum 8 bytes per capability */
+	ttl = (PCI_CFG_SPACE_EXP_SIZE - PCI_CFG_SPACE_SIZE) / 8;
+
+	if (!pci_bus_read_config_dword(bus, devfn, pos, &header))
+		return 0;
+	if (header == 0xffffffff || header == 0)
+		return 0;
+
+	while (ttl-- > 0) {
+		if (PCI_EXT_CAP_ID(header) == cap)
+			return pos;
+
+		pos = PCI_EXT_CAP_NEXT(header);
+		if (pos < PCI_CFG_SPACE_SIZE)
+			break;
+
+		if (!pci_bus_read_config_dword(bus, devfn, pos, &header))
+			break;
+	}
+
+	return 0;
+}
+
 static int __pci_find_next_ht_cap(struct pci_dev *dev, int pos, int ht_cap)
 {
 	int rc, ttl = PCI_FIND_CAP_TTL;
@@ -1540,8 +1583,10 @@ void pci_pm_init(struct pci_dev *dev)
 	int pm;
 	u16 pmc;
 
+	pm_runtime_forbid(&dev->dev);
 	device_enable_async_suspend(&dev->dev);
 	dev->wakeup_prepared = false;
+
 	dev->pm_cap = 0;
 
 	/* find PCI PM capability in list */
@@ -2253,35 +2298,6 @@ void pci_msi_off(struct pci_dev *dev)
 	}
 }
 
-#ifndef HAVE_ARCH_PCI_SET_DMA_MASK
-/*
- * These can be overridden by arch-specific implementations
- */
-int
-pci_set_dma_mask(struct pci_dev *dev, u64 mask)
-{
-	if (!pci_dma_supported(dev, mask))
-		return -EIO;
-
-	dev->dma_mask = mask;
-	dev_dbg(&dev->dev, "using %dbit DMA mask\n", fls64(mask));
-
-	return 0;
-}
-    
-int
-pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
-{
-	if (!pci_dma_supported(dev, mask))
-		return -EIO;
-
-	dev->dev.coherent_dma_mask = mask;
-	dev_dbg(&dev->dev, "using %dbit consistent DMA mask\n", fls64(mask));
-
-	return 0;
-}
-#endif
-
 #ifndef HAVE_ARCH_PCI_SET_DMA_MAX_SEGMENT_SIZE
 int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size)
 {
@@ -2443,7 +2459,7 @@ static int pci_dev_reset(struct pci_dev *dev, int probe)
 	if (!probe) {
 		pci_block_user_cfg_access(dev);
 		/* block PM suspend, driver probe, etc. */
-		down(&dev->dev.sem);
+		device_lock(&dev->dev);
 	}
 
 	rc = pci_dev_specific_reset(dev, probe);
@@ -2465,7 +2481,7 @@ static int pci_dev_reset(struct pci_dev *dev, int probe)
 	rc = pci_parent_bus_reset(dev, probe);
 done:
 	if (!probe) {
-		up(&dev->dev.sem);
+		device_unlock(&dev->dev);
 		pci_unblock_user_cfg_access(dev);
 	}
 
@@ -2560,18 +2576,17 @@ EXPORT_SYMBOL_GPL(pci_reset_function);
  */
 int pcix_get_max_mmrbc(struct pci_dev *dev)
 {
-	int err, cap;
+	int cap;
 	u32 stat;
 
 	cap = pci_find_capability(dev, PCI_CAP_ID_PCIX);
 	if (!cap)
 		return -EINVAL;
 
-	err = pci_read_config_dword(dev, cap + PCI_X_STATUS, &stat);
-	if (err)
+	if (pci_read_config_dword(dev, cap + PCI_X_STATUS, &stat))
 		return -EINVAL;
 
-	return (stat & PCI_X_STATUS_MAX_READ) >> 12;
+	return 512 << ((stat & PCI_X_STATUS_MAX_READ) >> 21);
 }
 EXPORT_SYMBOL(pcix_get_max_mmrbc);
 
@@ -2584,18 +2599,17 @@ EXPORT_SYMBOL(pcix_get_max_mmrbc);
  */
 int pcix_get_mmrbc(struct pci_dev *dev)
 {
-	int ret, cap;
-	u32 cmd;
+	int cap;
+	u16 cmd;
 
 	cap = pci_find_capability(dev, PCI_CAP_ID_PCIX);
 	if (!cap)
 		return -EINVAL;
 
-	ret = pci_read_config_dword(dev, cap + PCI_X_CMD, &cmd);
-	if (!ret)
-		ret = 512 << ((cmd & PCI_X_CMD_MAX_READ) >> 2);
+	if (pci_read_config_word(dev, cap + PCI_X_CMD, &cmd))
+		return -EINVAL;
 
-	return ret;
+	return 512 << ((cmd & PCI_X_CMD_MAX_READ) >> 2);
 }
 EXPORT_SYMBOL(pcix_get_mmrbc);
 
@@ -2610,28 +2624,27 @@ EXPORT_SYMBOL(pcix_get_mmrbc);
  */
 int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc)
 {
-	int cap, err = -EINVAL;
-	u32 stat, cmd, v, o;
+	int cap;
+	u32 stat, v, o;
+	u16 cmd;
 
 	if (mmrbc < 512 || mmrbc > 4096 || !is_power_of_2(mmrbc))
-		goto out;
+		return -EINVAL;
 
 	v = ffs(mmrbc) - 10;
 
 	cap = pci_find_capability(dev, PCI_CAP_ID_PCIX);
 	if (!cap)
-		goto out;
+		return -EINVAL;
 
-	err = pci_read_config_dword(dev, cap + PCI_X_STATUS, &stat);
-	if (err)
-		goto out;
+	if (pci_read_config_dword(dev, cap + PCI_X_STATUS, &stat))
+		return -EINVAL;
 
 	if (v > (stat & PCI_X_STATUS_MAX_READ) >> 21)
 		return -E2BIG;
 
-	err = pci_read_config_dword(dev, cap + PCI_X_CMD, &cmd);
-	if (err)
-		goto out;
+	if (pci_read_config_word(dev, cap + PCI_X_CMD, &cmd))
+		return -EINVAL;
 
 	o = (cmd & PCI_X_CMD_MAX_READ) >> 2;
 	if (o != v) {
@@ -2641,10 +2654,10 @@ int pcix_set_mmrbc(struct pci_dev *dev, int mmrbc)
 
 		cmd &= ~PCI_X_CMD_MAX_READ;
 		cmd |= v << 2;
-		err = pci_write_config_dword(dev, cap + PCI_X_CMD, cmd);
+		if (pci_write_config_word(dev, cap + PCI_X_CMD, cmd))
+			return -EIO;
 	}
-out:
-	return err;
+	return 0;
 }
 EXPORT_SYMBOL(pcix_set_mmrbc);
 
@@ -3007,7 +3020,6 @@ EXPORT_SYMBOL(pcim_pin_device);
 EXPORT_SYMBOL(pci_disable_device);
 EXPORT_SYMBOL(pci_find_capability);
 EXPORT_SYMBOL(pci_bus_find_capability);
-EXPORT_SYMBOL(pci_register_set_vga_state);
 EXPORT_SYMBOL(pci_release_regions);
 EXPORT_SYMBOL(pci_request_regions);
 EXPORT_SYMBOL(pci_request_regions_exclusive);
@@ -3023,8 +3035,6 @@ EXPORT_SYMBOL(pci_set_mwi);
 EXPORT_SYMBOL(pci_try_set_mwi);
 EXPORT_SYMBOL(pci_clear_mwi);
 EXPORT_SYMBOL_GPL(pci_intx);
-EXPORT_SYMBOL(pci_set_dma_mask);
-EXPORT_SYMBOL(pci_set_consistent_dma_mask);
 EXPORT_SYMBOL(pci_assign_resource);
 EXPORT_SYMBOL(pci_find_parent_resource);
 EXPORT_SYMBOL(pci_select_bars);
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 2a943090a3b7..882bd8d29fe3 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -174,14 +174,19 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 	pci_read_config_dword(dev, pos, &sz);
 	pci_write_config_dword(dev, pos, l);
 
+	if (!sz)
+		goto fail;	/* BAR not implemented */
+
 	/*
 	 * All bits set in sz means the device isn't working properly.
-	 * If the BAR isn't implemented, all bits must be 0.  If it's a
-	 * memory BAR or a ROM, bit 0 must be clear; if it's an io BAR, bit
-	 * 1 must be clear.
+	 * If it's a memory BAR or a ROM, bit 0 must be clear; if it's
+	 * an io BAR, bit 1 must be clear.
 	 */
-	if (!sz || sz == 0xffffffff)
+	if (sz == 0xffffffff) {
+		dev_err(&dev->dev, "reg %x: invalid size %#x; broken device?\n",
+			pos, sz);
 		goto fail;
+	}
 
 	/*
 	 * I don't know how l can have all bits set.  Copied from old code.
@@ -244,13 +249,17 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type,
 				   pos, res);
 		}
 	} else {
-		sz = pci_size(l, sz, mask);
+		u32 size = pci_size(l, sz, mask);
 
-		if (!sz)
+		if (!size) {
+			dev_err(&dev->dev, "reg %x: invalid size "
+			        "(l %#x sz %#x mask %#x); broken device?",
+				pos, l, sz, mask);
 			goto fail;
+		}
 
 		res->start = l;
-		res->end = l + sz;
+		res->end = l + size;
 
 		dev_printk(KERN_DEBUG, &dev->dev, "reg %x: %pR\n", pos, res);
 	}
@@ -312,7 +321,7 @@ static void __devinit pci_read_bridge_io(struct pci_bus *child)
 		dev_printk(KERN_DEBUG, &dev->dev, "  bridge window %pR\n", res);
 	} else {
 		dev_printk(KERN_DEBUG, &dev->dev,
-			 "  bridge window [io  %04lx - %04lx] reg reading\n",
+			 "  bridge window [io  %#06lx-%#06lx] (disabled)\n",
 				 base, limit);
 	}
 }
@@ -336,7 +345,7 @@ static void __devinit pci_read_bridge_mmio(struct pci_bus *child)
 		dev_printk(KERN_DEBUG, &dev->dev, "  bridge window %pR\n", res);
 	} else {
 		dev_printk(KERN_DEBUG, &dev->dev,
-			"  bridge window [mem 0x%08lx - 0x%08lx] reg reading\n",
+			"  bridge window [mem %#010lx-%#010lx] (disabled)\n",
 					 base, limit + 0xfffff);
 	}
 }
@@ -387,7 +396,7 @@ static void __devinit pci_read_bridge_mmio_pref(struct pci_bus *child)
 		dev_printk(KERN_DEBUG, &dev->dev, "  bridge window %pR\n", res);
 	} else {
 		dev_printk(KERN_DEBUG, &dev->dev,
-		     "  bridge window [mem 0x%08lx - %08lx pref] reg reading\n",
+		     "  bridge window [mem %#010lx-%#010lx pref] (disabled)\n",
 					 base, limit + 0xfffff);
 	}
 }
@@ -673,16 +682,20 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
 	int is_cardbus = (dev->hdr_type == PCI_HEADER_TYPE_CARDBUS);
 	u32 buses, i, j = 0;
 	u16 bctl;
+	u8 primary, secondary, subordinate;
 	int broken = 0;
 
 	pci_read_config_dword(dev, PCI_PRIMARY_BUS, &buses);
+	primary = buses & 0xFF;
+	secondary = (buses >> 8) & 0xFF;
+	subordinate = (buses >> 16) & 0xFF;
 
-	dev_dbg(&dev->dev, "scanning behind bridge, config %06x, pass %d\n",
-		buses & 0xffffff, pass);
+	dev_dbg(&dev->dev, "scanning [bus %02x-%02x] behind bridge, pass %d\n",
+		secondary, subordinate, pass);
 
 	/* Check if setup is sensible at all */
 	if (!pass &&
-	    ((buses & 0xff) != bus->number || ((buses >> 8) & 0xff) <= bus->number)) {
+	    (primary != bus->number || secondary <= bus->number)) {
 		dev_dbg(&dev->dev, "bus configuration invalid, reconfiguring\n");
 		broken = 1;
 	}
@@ -693,15 +706,15 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
 	pci_write_config_word(dev, PCI_BRIDGE_CONTROL,
 			      bctl & ~PCI_BRIDGE_CTL_MASTER_ABORT);
 
-	if ((buses & 0xffff00) && !pcibios_assign_all_busses() && !is_cardbus && !broken) {
-		unsigned int cmax, busnr;
+	if ((secondary || subordinate) && !pcibios_assign_all_busses() &&
+	    !is_cardbus && !broken) {
+		unsigned int cmax;
 		/*
 		 * Bus already configured by firmware, process it in the first
 		 * pass and just note the configuration.
 		 */
 		if (pass)
 			goto out;
-		busnr = (buses >> 8) & 0xFF;
 
 		/*
 		 * If we already got to this bus through a different bridge,
@@ -710,13 +723,13 @@ int __devinit pci_scan_bridge(struct pci_bus *bus, struct pci_dev *dev, int max,
 		 * However, we continue to descend down the hierarchy and
 		 * scan remaining child buses.
 		 */
-		child = pci_find_bus(pci_domain_nr(bus), busnr);
+		child = pci_find_bus(pci_domain_nr(bus), secondary);
 		if (!child) {
-			child = pci_add_new_bus(bus, dev, busnr);
+			child = pci_add_new_bus(bus, dev, secondary);
 			if (!child)
 				goto out;
-			child->primary = buses & 0xFF;
-			child->subordinate = (buses >> 16) & 0xFF;
+			child->primary = primary;
+			child->subordinate = subordinate;
 			child->bridge_ctl = bctl;
 		}
 
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 039e87b71442..27c0e6eb7136 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -368,8 +368,9 @@ static void __devinit quirk_io_region(struct pci_dev *dev, unsigned region,
 		bus_region.end = res->end;
 		pcibios_bus_to_resource(dev, res, &bus_region);
 
-		pci_claim_resource(dev, nr);
-		dev_info(&dev->dev, "quirk: %pR claimed by %s\n", res, name);
+		if (pci_claim_resource(dev, nr) == 0)
+			dev_info(&dev->dev, "quirk: %pR claimed by %s\n",
+				 res, name);
 	}
 }	
 
@@ -1977,11 +1978,25 @@ static void __devinit quirk_via_cx700_pci_parking_caching(struct pci_dev *dev)
 	/*
 	 * Disable PCI Bus Parking and PCI Master read caching on CX700
 	 * which causes unspecified timing errors with a VT6212L on the PCI
-	 * bus leading to USB2.0 packet loss. The defaults are that these
-	 * features are turned off but some BIOSes turn them on.
+	 * bus leading to USB2.0 packet loss.
+	 *
+	 * This quirk is only enabled if a second (on the external PCI bus)
+	 * VT6212L is found -- the CX700 core itself also contains a USB
+	 * host controller with the same PCI ID as the VT6212L.
 	 */
 
+	/* Count VT6212L instances */
+	struct pci_dev *p = pci_get_device(PCI_VENDOR_ID_VIA,
+		PCI_DEVICE_ID_VIA_8235_USB_2, NULL);
 	uint8_t b;
+
+	/* p should contain the first (internal) VT6212L -- see if we have
+	   an external one by searching again */
+	p = pci_get_device(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235_USB_2, p);
+	if (!p)
+		return;
+	pci_dev_put(p);
+
 	if (pci_read_config_byte(dev, 0x76, &b) == 0) {
 		if (b & 0x40) {
 			/* Turn off PCI Bus Parking */
@@ -2008,7 +2023,7 @@ static void __devinit quirk_via_cx700_pci_parking_caching(struct pci_dev *dev)
 		}
 	}
 }
-DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_VIA, 0x324e, quirk_via_cx700_pci_parking_caching);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, 0x324e, quirk_via_cx700_pci_parking_caching);
 
 /*
  * For Broadcom 5706, 5708, 5709 rev. A nics, any read beyond the
@@ -2108,6 +2123,10 @@ static void __devinit quirk_disable_msi(struct pci_dev *dev)
 	}
 }
 DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_8131_BRIDGE, quirk_disable_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AMD, 0x9602, quirk_disable_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASUSTEK, 0x9602, quirk_disable_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AI, 0x9602, quirk_disable_msi);
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_VIA, 0xa238, quirk_disable_msi);
 
 /* Go through the list of Hypertransport capabilities and
  * return 1 if a HT MSI capability is found and enabled */
@@ -2533,6 +2552,91 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x1518, quirk_i82576_sriov);
 
 #endif	/* CONFIG_PCI_IOV */
 
+/*
+ * This is a quirk for the Ricoh MMC controller found as a part of
+ * some mulifunction chips.
+
+ * This is very similiar and based on the ricoh_mmc driver written by
+ * Philip Langdale. Thank you for these magic sequences.
+ *
+ * These chips implement the four main memory card controllers (SD, MMC, MS, xD)
+ * and one or both of cardbus or firewire.
+ *
+ * It happens that they implement SD and MMC
+ * support as separate controllers (and PCI functions). The linux SDHCI
+ * driver supports MMC cards but the chip detects MMC cards in hardware
+ * and directs them to the MMC controller - so the SDHCI driver never sees
+ * them.
+ *
+ * To get around this, we must disable the useless MMC controller.
+ * At that point, the SDHCI controller will start seeing them
+ * It seems to be the case that the relevant PCI registers to deactivate the
+ * MMC controller live on PCI function 0, which might be the cardbus controller
+ * or the firewire controller, depending on the particular chip in question
+ *
+ * This has to be done early, because as soon as we disable the MMC controller
+ * other pci functions shift up one level, e.g. function #2 becomes function
+ * #1, and this will confuse the pci core.
+ */
+
+#ifdef CONFIG_MMC_RICOH_MMC
+static void ricoh_mmc_fixup_rl5c476(struct pci_dev *dev)
+{
+	/* disable via cardbus interface */
+	u8 write_enable;
+	u8 write_target;
+	u8 disable;
+
+	/* disable must be done via function #0 */
+	if (PCI_FUNC(dev->devfn))
+		return;
+
+	pci_read_config_byte(dev, 0xB7, &disable);
+	if (disable & 0x02)
+		return;
+
+	pci_read_config_byte(dev, 0x8E, &write_enable);
+	pci_write_config_byte(dev, 0x8E, 0xAA);
+	pci_read_config_byte(dev, 0x8D, &write_target);
+	pci_write_config_byte(dev, 0x8D, 0xB7);
+	pci_write_config_byte(dev, 0xB7, disable | 0x02);
+	pci_write_config_byte(dev, 0x8E, write_enable);
+	pci_write_config_byte(dev, 0x8D, write_target);
+
+	dev_notice(&dev->dev, "proprietary Ricoh MMC controller disabled (via cardbus function)\n");
+	dev_notice(&dev->dev, "MMC cards are now supported by standard SDHCI controller\n");
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, ricoh_mmc_fixup_rl5c476);
+DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, ricoh_mmc_fixup_rl5c476);
+
+static void ricoh_mmc_fixup_r5c832(struct pci_dev *dev)
+{
+	/* disable via firewire interface */
+	u8 write_enable;
+	u8 disable;
+
+	/* disable must be done via function #0 */
+	if (PCI_FUNC(dev->devfn))
+		return;
+
+	pci_read_config_byte(dev, 0xCB, &disable);
+
+	if (disable & 0x02)
+		return;
+
+	pci_read_config_byte(dev, 0xCA, &write_enable);
+	pci_write_config_byte(dev, 0xCA, 0x57);
+	pci_write_config_byte(dev, 0xCB, disable | 0x02);
+	pci_write_config_byte(dev, 0xCA, write_enable);
+
+	dev_notice(&dev->dev, "proprietary Ricoh MMC controller disabled (via firewire function)\n");
+	dev_notice(&dev->dev, "MMC cards are now supported by standard SDHCI controller\n");
+}
+DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832);
+DECLARE_PCI_FIXUP_RESUME_EARLY(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, ricoh_mmc_fixup_r5c832);
+#endif /*CONFIG_MMC_RICOH_MMC*/
+
+
 static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f,
 			  struct pci_fixup *end)
 {
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c
index 7d678bb15ffb..17bed18d24ad 100644
--- a/drivers/pci/setup-res.c
+++ b/drivers/pci/setup-res.c
@@ -93,8 +93,7 @@ void pci_update_resource(struct pci_dev *dev, int resno)
 int pci_claim_resource(struct pci_dev *dev, int resource)
 {
 	struct resource *res = &dev->resource[resource];
-	struct resource *root;
-	int err;
+	struct resource *root, *conflict;
 
 	root = pci_find_parent_resource(dev, res);
 	if (!root) {
@@ -103,12 +102,15 @@ int pci_claim_resource(struct pci_dev *dev, int resource)
 		return -EINVAL;
 	}
 
-	err = request_resource(root, res);
-	if (err)
+	conflict = request_resource_conflict(root, res);
+	if (conflict) {
 		dev_err(&dev->dev,
-			"address space collision: %pR already in use\n", res);
+			"address space collision: %pR conflicts with %s %pR\n",
+			res, conflict->name, conflict);
+		return -EBUSY;
+	}
 
-	return err;
+	return 0;
 }
 EXPORT_SYMBOL(pci_claim_resource);
 
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index 49c9e6c9779a..f75a44d37fbe 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -29,7 +29,7 @@ static ssize_t pci_slot_attr_store(struct kobject *kobj,
 	return attribute->store ? attribute->store(slot, buf, len) : -EIO;
 }
 
-static struct sysfs_ops pci_slot_sysfs_ops = {
+static const struct sysfs_ops pci_slot_sysfs_ops = {
 	.show = pci_slot_attr_show,
 	.store = pci_slot_attr_store,
 };
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index 0a6601c76809..d189e4743e69 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -51,17 +51,23 @@ config PCMCIA_LOAD_CIS
 
 config PCMCIA_IOCTL
 	bool "PCMCIA control ioctl (obsolete)"
-	depends on PCMCIA
+	depends on PCMCIA && ARM && !SMP && !PREEMPT
 	default y
 	help
 	  If you say Y here, the deprecated ioctl interface to the PCMCIA
-	  subsystem will be built. It is needed by cardmgr and cardctl
-	  (pcmcia-cs) to function properly.
+	  subsystem will be built. It is needed by the deprecated pcmcia-cs
+	  tools (cardmgr, cardctl) to function properly.
 
 	  You should use the new pcmciautils package instead (see
 	  <file:Documentation/Changes> for location and details).
 
-	  If unsure, say Y.
+	  This config option will most likely be removed from kernel 2.6.35,
+	  the associated code from kernel 2.6.36.
+
+	  As the PCMCIA ioctl is not locking safe, it depends on !SMP and
+	  !PREEMPT.
+
+	  If unsure, say N.
 
 config CARDBUS
 	bool "32-bit CardBus support"
diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index 5d228071ec69..fb904f444d90 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -361,7 +361,6 @@ static int at91_cf_suspend(struct platform_device *pdev, pm_message_t mesg)
 	struct at91_cf_socket	*cf = platform_get_drvdata(pdev);
 	struct at91_cf_data	*board = cf->board;
 
-	pcmcia_socket_dev_suspend(&pdev->dev);
 	if (device_may_wakeup(&pdev->dev)) {
 		enable_irq_wake(board->det_pin);
 		if (board->irq_pin)
@@ -381,7 +380,6 @@ static int at91_cf_resume(struct platform_device *pdev)
 			disable_irq_wake(board->irq_pin);
 	}
 
-	pcmcia_socket_dev_resume(&pdev->dev);
 	return 0;
 }
 
diff --git a/drivers/pcmcia/au1000_generic.c b/drivers/pcmcia/au1000_generic.c
index 171c8a654887..ac4d089430fd 100644
--- a/drivers/pcmcia/au1000_generic.c
+++ b/drivers/pcmcia/au1000_generic.c
@@ -510,17 +510,6 @@ static int au1x00_drv_pcmcia_probe(struct platform_device *dev)
 	return ret;
 }
 
-static int au1x00_drv_pcmcia_suspend(struct platform_device *dev,
-				     pm_message_t state)
-{
-	return pcmcia_socket_dev_suspend(&dev->dev);
-}
-
-static int au1x00_drv_pcmcia_resume(struct platform_device *dev)
-{
-	return pcmcia_socket_dev_resume(&dev->dev);
-}
-
 static struct platform_driver au1x00_pcmcia_driver = {
 	.driver = {
 		.name		= "au1x00-pcmcia",
@@ -528,8 +517,6 @@ static struct platform_driver au1x00_pcmcia_driver = {
 	},
 	.probe		= au1x00_drv_pcmcia_probe,
 	.remove		= au1x00_drv_pcmcia_remove,
-	.suspend 	= au1x00_drv_pcmcia_suspend,
-	.resume 	= au1x00_drv_pcmcia_resume,
 };
 
 
diff --git a/drivers/pcmcia/bfin_cf_pcmcia.c b/drivers/pcmcia/bfin_cf_pcmcia.c
index 2482ce7ac6dc..93f9ddeb0c36 100644
--- a/drivers/pcmcia/bfin_cf_pcmcia.c
+++ b/drivers/pcmcia/bfin_cf_pcmcia.c
@@ -300,16 +300,6 @@ static int __devexit bfin_cf_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static int bfin_cf_suspend(struct platform_device *pdev, pm_message_t mesg)
-{
-	return pcmcia_socket_dev_suspend(&pdev->dev);
-}
-
-static int bfin_cf_resume(struct platform_device *pdev)
-{
-	return pcmcia_socket_dev_resume(&pdev->dev);
-}
-
 static struct platform_driver bfin_cf_driver = {
 	.driver = {
 		   .name = (char *)driver_name,
@@ -317,8 +307,6 @@ static struct platform_driver bfin_cf_driver = {
 		   },
 	.probe = bfin_cf_probe,
 	.remove = __devexit_p(bfin_cf_remove),
-	.suspend = bfin_cf_suspend,
-	.resume = bfin_cf_resume,
 };
 
 static int __init bfin_cf_init(void)
diff --git a/drivers/pcmcia/cardbus.c b/drivers/pcmcia/cardbus.c
index ac0686efbf75..e6ab2a47d8cb 100644
--- a/drivers/pcmcia/cardbus.c
+++ b/drivers/pcmcia/cardbus.c
@@ -71,7 +71,7 @@ int __ref cb_alloc(struct pcmcia_socket *s)
 	unsigned int max, pass;
 
 	s->functions = pci_scan_slot(bus, PCI_DEVFN(0, 0));
-	pci_fixup_cardbus(bus); 
+	pci_fixup_cardbus(bus);
 
 	max = bus->secondary;
 	for (pass = 0; pass < 2; pass++)
diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index 2f3622dd4b69..f230f6543bff 100644
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -54,46 +54,44 @@ static const u_int exponent[] = {
 /* Upper limit on reasonable # of tuples */
 #define MAX_TUPLES		200
 
-/*====================================================================*/
-
-/* Parameters that can be set with 'insmod' */
-
 /* 16-bit CIS? */
 static int cis_width;
 module_param(cis_width, int, 0444);
 
 void release_cis_mem(struct pcmcia_socket *s)
 {
-    mutex_lock(&s->ops_mutex);
-    if (s->cis_mem.flags & MAP_ACTIVE) {
-	s->cis_mem.flags &= ~MAP_ACTIVE;
-	s->ops->set_mem_map(s, &s->cis_mem);
-	if (s->cis_mem.res) {
-	    release_resource(s->cis_mem.res);
-	    kfree(s->cis_mem.res);
-	    s->cis_mem.res = NULL;
+	mutex_lock(&s->ops_mutex);
+	if (s->cis_mem.flags & MAP_ACTIVE) {
+		s->cis_mem.flags &= ~MAP_ACTIVE;
+		s->ops->set_mem_map(s, &s->cis_mem);
+		if (s->cis_mem.res) {
+			release_resource(s->cis_mem.res);
+			kfree(s->cis_mem.res);
+			s->cis_mem.res = NULL;
+		}
+		iounmap(s->cis_virt);
+		s->cis_virt = NULL;
 	}
-	iounmap(s->cis_virt);
-	s->cis_virt = NULL;
-    }
-    mutex_unlock(&s->ops_mutex);
+	mutex_unlock(&s->ops_mutex);
 }
 
-/*
- * Map the card memory at "card_offset" into virtual space.
+/**
+ * set_cis_map() - map the card memory at "card_offset" into virtual space.
+ *
  * If flags & MAP_ATTRIB, map the attribute space, otherwise
  * map the memory space.
  *
  * Must be called with ops_mutex held.
  */
-static void __iomem *
-set_cis_map(struct pcmcia_socket *s, unsigned int card_offset, unsigned int flags)
+static void __iomem *set_cis_map(struct pcmcia_socket *s,
+				unsigned int card_offset, unsigned int flags)
 {
 	pccard_mem_map *mem = &s->cis_mem;
 	int ret;
 
 	if (!(s->features & SS_CAP_STATIC_MAP) && (mem->res == NULL)) {
-		mem->res = pcmcia_find_mem_region(0, s->map_size, s->map_size, 0, s);
+		mem->res = pcmcia_find_mem_region(0, s->map_size,
+						s->map_size, 0, s);
 		if (mem->res == NULL) {
 			dev_printk(KERN_NOTICE, &s->dev,
 				   "cs: unable to map card memory!\n");
@@ -124,165 +122,170 @@ set_cis_map(struct pcmcia_socket *s, unsigned int card_offset, unsigned int flag
 	return s->cis_virt;
 }
 
-/*======================================================================
-
-    Low-level functions to read and write CIS memory.  I think the
-    write routine is only useful for writing one-byte registers.
-
-======================================================================*/
 
 /* Bits in attr field */
 #define IS_ATTR		1
 #define IS_INDIRECT	8
 
+/**
+ * pcmcia_read_cis_mem() - low-level function to read CIS memory
+ */
 int pcmcia_read_cis_mem(struct pcmcia_socket *s, int attr, u_int addr,
 		 u_int len, void *ptr)
 {
-    void __iomem *sys, *end;
-    unsigned char *buf = ptr;
-
-    dev_dbg(&s->dev, "pcmcia_read_cis_mem(%d, %#x, %u)\n", attr, addr, len);
-
-    mutex_lock(&s->ops_mutex);
-    if (attr & IS_INDIRECT) {
-	/* Indirect accesses use a bunch of special registers at fixed
-	   locations in common memory */
-	u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN;
-	if (attr & IS_ATTR) {
-	    addr *= 2;
-	    flags = ICTRL0_AUTOINC;
-	}
+	void __iomem *sys, *end;
+	unsigned char *buf = ptr;
 
-	sys = set_cis_map(s, 0, MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0));
-	if (!sys) {
-	    dev_dbg(&s->dev, "could not map memory\n");
-	    memset(ptr, 0xff, len);
-	    mutex_unlock(&s->ops_mutex);
-	    return -1;
-	}
+	dev_dbg(&s->dev, "pcmcia_read_cis_mem(%d, %#x, %u)\n", attr, addr, len);
 
-	writeb(flags, sys+CISREG_ICTRL0);
-	writeb(addr & 0xff, sys+CISREG_IADDR0);
-	writeb((addr>>8) & 0xff, sys+CISREG_IADDR1);
-	writeb((addr>>16) & 0xff, sys+CISREG_IADDR2);
-	writeb((addr>>24) & 0xff, sys+CISREG_IADDR3);
-	for ( ; len > 0; len--, buf++)
-	    *buf = readb(sys+CISREG_IDATA0);
-    } else {
-	u_int inc = 1, card_offset, flags;
-
-	if (addr > CISTPL_MAX_CIS_SIZE)
-		dev_dbg(&s->dev, "attempt to read CIS mem at addr %#x", addr);
-
-	flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
-	if (attr) {
-	    flags |= MAP_ATTRIB;
-	    inc++;
-	    addr *= 2;
-	}
+	mutex_lock(&s->ops_mutex);
+	if (attr & IS_INDIRECT) {
+		/* Indirect accesses use a bunch of special registers at fixed
+		   locations in common memory */
+		u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN;
+		if (attr & IS_ATTR) {
+			addr *= 2;
+			flags = ICTRL0_AUTOINC;
+		}
 
-	card_offset = addr & ~(s->map_size-1);
-	while (len) {
-	    sys = set_cis_map(s, card_offset, flags);
-	    if (!sys) {
-		dev_dbg(&s->dev, "could not map memory\n");
-		memset(ptr, 0xff, len);
-		mutex_unlock(&s->ops_mutex);
-		return -1;
-	    }
-	    end = sys + s->map_size;
-	    sys = sys + (addr & (s->map_size-1));
-	    for ( ; len > 0; len--, buf++, sys += inc) {
-		if (sys == end)
-		    break;
-		*buf = readb(sys);
-	    }
-	    card_offset += s->map_size;
-	    addr = 0;
+		sys = set_cis_map(s, 0, MAP_ACTIVE |
+				((cis_width) ? MAP_16BIT : 0));
+		if (!sys) {
+			dev_dbg(&s->dev, "could not map memory\n");
+			memset(ptr, 0xff, len);
+			mutex_unlock(&s->ops_mutex);
+			return -1;
+		}
+
+		writeb(flags, sys+CISREG_ICTRL0);
+		writeb(addr & 0xff, sys+CISREG_IADDR0);
+		writeb((addr>>8) & 0xff, sys+CISREG_IADDR1);
+		writeb((addr>>16) & 0xff, sys+CISREG_IADDR2);
+		writeb((addr>>24) & 0xff, sys+CISREG_IADDR3);
+		for ( ; len > 0; len--, buf++)
+			*buf = readb(sys+CISREG_IDATA0);
+	} else {
+		u_int inc = 1, card_offset, flags;
+
+		if (addr > CISTPL_MAX_CIS_SIZE)
+			dev_dbg(&s->dev,
+				"attempt to read CIS mem at addr %#x", addr);
+
+		flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
+		if (attr) {
+			flags |= MAP_ATTRIB;
+			inc++;
+			addr *= 2;
+		}
+
+		card_offset = addr & ~(s->map_size-1);
+		while (len) {
+			sys = set_cis_map(s, card_offset, flags);
+			if (!sys) {
+				dev_dbg(&s->dev, "could not map memory\n");
+				memset(ptr, 0xff, len);
+				mutex_unlock(&s->ops_mutex);
+				return -1;
+			}
+			end = sys + s->map_size;
+			sys = sys + (addr & (s->map_size-1));
+			for ( ; len > 0; len--, buf++, sys += inc) {
+				if (sys == end)
+					break;
+				*buf = readb(sys);
+			}
+			card_offset += s->map_size;
+			addr = 0;
+		}
 	}
-    }
-    mutex_unlock(&s->ops_mutex);
-    dev_dbg(&s->dev, "  %#2.2x %#2.2x %#2.2x %#2.2x ...\n",
-	  *(u_char *)(ptr+0), *(u_char *)(ptr+1),
-	  *(u_char *)(ptr+2), *(u_char *)(ptr+3));
-    return 0;
+	mutex_unlock(&s->ops_mutex);
+	dev_dbg(&s->dev, "  %#2.2x %#2.2x %#2.2x %#2.2x ...\n",
+		*(u_char *)(ptr+0), *(u_char *)(ptr+1),
+		*(u_char *)(ptr+2), *(u_char *)(ptr+3));
+	return 0;
 }
 
 
+/**
+ * pcmcia_write_cis_mem() - low-level function to write CIS memory
+ *
+ * Probably only useful for writing one-byte registers.
+ */
 void pcmcia_write_cis_mem(struct pcmcia_socket *s, int attr, u_int addr,
 		   u_int len, void *ptr)
 {
-    void __iomem *sys, *end;
-    unsigned char *buf = ptr;
-
-    dev_dbg(&s->dev, "pcmcia_write_cis_mem(%d, %#x, %u)\n", attr, addr, len);
-
-    mutex_lock(&s->ops_mutex);
-    if (attr & IS_INDIRECT) {
-	/* Indirect accesses use a bunch of special registers at fixed
-	   locations in common memory */
-	u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN;
-	if (attr & IS_ATTR) {
-	    addr *= 2;
-	    flags = ICTRL0_AUTOINC;
-	}
+	void __iomem *sys, *end;
+	unsigned char *buf = ptr;
 
-	sys = set_cis_map(s, 0, MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0));
-	if (!sys) {
-		dev_dbg(&s->dev, "could not map memory\n");
-		mutex_unlock(&s->ops_mutex);
-		return; /* FIXME: Error */
-	}
+	dev_dbg(&s->dev,
+		"pcmcia_write_cis_mem(%d, %#x, %u)\n", attr, addr, len);
 
-	writeb(flags, sys+CISREG_ICTRL0);
-	writeb(addr & 0xff, sys+CISREG_IADDR0);
-	writeb((addr>>8) & 0xff, sys+CISREG_IADDR1);
-	writeb((addr>>16) & 0xff, sys+CISREG_IADDR2);
-	writeb((addr>>24) & 0xff, sys+CISREG_IADDR3);
-	for ( ; len > 0; len--, buf++)
-	    writeb(*buf, sys+CISREG_IDATA0);
-    } else {
-	u_int inc = 1, card_offset, flags;
-
-	flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
-	if (attr & IS_ATTR) {
-	    flags |= MAP_ATTRIB;
-	    inc++;
-	    addr *= 2;
-	}
+	mutex_lock(&s->ops_mutex);
+	if (attr & IS_INDIRECT) {
+		/* Indirect accesses use a bunch of special registers at fixed
+		   locations in common memory */
+		u_char flags = ICTRL0_COMMON|ICTRL0_AUTOINC|ICTRL0_BYTEGRAN;
+		if (attr & IS_ATTR) {
+			addr *= 2;
+			flags = ICTRL0_AUTOINC;
+		}
 
-	card_offset = addr & ~(s->map_size-1);
-	while (len) {
-	    sys = set_cis_map(s, card_offset, flags);
-	    if (!sys) {
-		dev_dbg(&s->dev, "could not map memory\n");
-		mutex_unlock(&s->ops_mutex);
-		return; /* FIXME: error */
-	    }
-
-	    end = sys + s->map_size;
-	    sys = sys + (addr & (s->map_size-1));
-	    for ( ; len > 0; len--, buf++, sys += inc) {
-		if (sys == end)
-		    break;
-		writeb(*buf, sys);
-	    }
-	    card_offset += s->map_size;
-	    addr = 0;
-	}
-    }
-    mutex_unlock(&s->ops_mutex);
-}
+		sys = set_cis_map(s, 0, MAP_ACTIVE |
+				((cis_width) ? MAP_16BIT : 0));
+		if (!sys) {
+			dev_dbg(&s->dev, "could not map memory\n");
+			mutex_unlock(&s->ops_mutex);
+			return; /* FIXME: Error */
+		}
+
+		writeb(flags, sys+CISREG_ICTRL0);
+		writeb(addr & 0xff, sys+CISREG_IADDR0);
+		writeb((addr>>8) & 0xff, sys+CISREG_IADDR1);
+		writeb((addr>>16) & 0xff, sys+CISREG_IADDR2);
+		writeb((addr>>24) & 0xff, sys+CISREG_IADDR3);
+		for ( ; len > 0; len--, buf++)
+			writeb(*buf, sys+CISREG_IDATA0);
+	} else {
+		u_int inc = 1, card_offset, flags;
 
+		flags = MAP_ACTIVE | ((cis_width) ? MAP_16BIT : 0);
+		if (attr & IS_ATTR) {
+			flags |= MAP_ATTRIB;
+			inc++;
+			addr *= 2;
+		}
 
-/*======================================================================
+		card_offset = addr & ~(s->map_size-1);
+		while (len) {
+			sys = set_cis_map(s, card_offset, flags);
+			if (!sys) {
+				dev_dbg(&s->dev, "could not map memory\n");
+				mutex_unlock(&s->ops_mutex);
+				return; /* FIXME: error */
+			}
 
-    This is a wrapper around read_cis_mem, with the same interface,
-    but which caches information, for cards whose CIS may not be
-    readable all the time.
+			end = sys + s->map_size;
+			sys = sys + (addr & (s->map_size-1));
+			for ( ; len > 0; len--, buf++, sys += inc) {
+				if (sys == end)
+					break;
+				writeb(*buf, sys);
+			}
+			card_offset += s->map_size;
+			addr = 0;
+		}
+	}
+	mutex_unlock(&s->ops_mutex);
+}
 
-======================================================================*/
 
+/**
+ * read_cis_cache() - read CIS memory or its associated cache
+ *
+ * This is a wrapper around read_cis_mem, with the same interface,
+ * but which caches information, for cards whose CIS may not be
+ * readable all the time.
+ */
 static int read_cis_cache(struct pcmcia_socket *s, int attr, u_int addr,
 			size_t len, void *ptr)
 {
@@ -353,7 +356,6 @@ remove_cis_cache(struct pcmcia_socket *s, int attr, u_int addr, u_int len)
  * This destroys the CIS cache but keeps any fake CIS alive. Must be
  * called with ops_mutex held.
  */
-
 void destroy_cis_cache(struct pcmcia_socket *s)
 {
 	struct list_head *l, *n;
@@ -366,13 +368,9 @@ void destroy_cis_cache(struct pcmcia_socket *s)
 	}
 }
 
-/*======================================================================
-
-    This verifies if the CIS of a card matches what is in the CIS
-    cache.
-
-======================================================================*/
-
+/**
+ * verify_cis_cache() - does the CIS match what is in the CIS cache?
+ */
 int verify_cis_cache(struct pcmcia_socket *s)
 {
 	struct cis_cache_entry *cis;
@@ -404,13 +402,12 @@ int verify_cis_cache(struct pcmcia_socket *s)
 	return 0;
 }
 
-/*======================================================================
-
-    For really bad cards, we provide a facility for uploading a
-    replacement CIS.
-
-======================================================================*/
-
+/**
+ * pcmcia_replace_cis() - use a replacement CIS instead of the card's CIS
+ *
+ * For really bad cards, we provide a facility for uploading a
+ * replacement CIS.
+ */
 int pcmcia_replace_cis(struct pcmcia_socket *s,
 		       const u8 *data, const size_t len)
 {
@@ -433,17 +430,13 @@ int pcmcia_replace_cis(struct pcmcia_socket *s,
 	return 0;
 }
 
-/*======================================================================
-
-    The high-level CIS tuple services
-
-======================================================================*/
+/* The high-level CIS tuple services */
 
 typedef struct tuple_flags {
-    u_int		link_space:4;
-    u_int		has_link:1;
-    u_int		mfc_fn:3;
-    u_int		space:4;
+	u_int		link_space:4;
+	u_int		has_link:1;
+	u_int		mfc_fn:3;
+	u_int		space:4;
 } tuple_flags;
 
 #define LINK_SPACE(f)	(((tuple_flags *)(&(f)))->link_space)
@@ -451,982 +444,961 @@ typedef struct tuple_flags {
 #define MFC_FN(f)	(((tuple_flags *)(&(f)))->mfc_fn)
 #define SPACE(f)	(((tuple_flags *)(&(f)))->space)
 
-int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, tuple_t *tuple)
+int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function,
+			tuple_t *tuple)
 {
-    if (!s)
-	return -EINVAL;
-
-    if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS))
-	return -ENODEV;
-    tuple->TupleLink = tuple->Flags = 0;
-
-    /* Assume presence of a LONGLINK_C to address 0 */
-    tuple->CISOffset = tuple->LinkOffset = 0;
-    SPACE(tuple->Flags) = HAS_LINK(tuple->Flags) = 1;
-
-    if ((s->functions > 1) && !(tuple->Attributes & TUPLE_RETURN_COMMON)) {
-	cisdata_t req = tuple->DesiredTuple;
-	tuple->DesiredTuple = CISTPL_LONGLINK_MFC;
-	if (pccard_get_next_tuple(s, function, tuple) == 0) {
-	    tuple->DesiredTuple = CISTPL_LINKTARGET;
-	    if (pccard_get_next_tuple(s, function, tuple) != 0)
-		return -ENOSPC;
-	} else
-	    tuple->CISOffset = tuple->TupleLink = 0;
-	tuple->DesiredTuple = req;
-    }
-    return pccard_get_next_tuple(s, function, tuple);
+	if (!s)
+		return -EINVAL;
+
+	if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS))
+		return -ENODEV;
+	tuple->TupleLink = tuple->Flags = 0;
+
+	/* Assume presence of a LONGLINK_C to address 0 */
+	tuple->CISOffset = tuple->LinkOffset = 0;
+	SPACE(tuple->Flags) = HAS_LINK(tuple->Flags) = 1;
+
+	if ((s->functions > 1) && !(tuple->Attributes & TUPLE_RETURN_COMMON)) {
+		cisdata_t req = tuple->DesiredTuple;
+		tuple->DesiredTuple = CISTPL_LONGLINK_MFC;
+		if (pccard_get_next_tuple(s, function, tuple) == 0) {
+			tuple->DesiredTuple = CISTPL_LINKTARGET;
+			if (pccard_get_next_tuple(s, function, tuple) != 0)
+				return -ENOSPC;
+		} else
+			tuple->CISOffset = tuple->TupleLink = 0;
+		tuple->DesiredTuple = req;
+	}
+	return pccard_get_next_tuple(s, function, tuple);
 }
 
 static int follow_link(struct pcmcia_socket *s, tuple_t *tuple)
 {
-    u_char link[5];
-    u_int ofs;
-    int ret;
-
-    if (MFC_FN(tuple->Flags)) {
-	/* Get indirect link from the MFC tuple */
-	ret = read_cis_cache(s, LINK_SPACE(tuple->Flags),
-		       tuple->LinkOffset, 5, link);
-	if (ret)
+	u_char link[5];
+	u_int ofs;
+	int ret;
+
+	if (MFC_FN(tuple->Flags)) {
+		/* Get indirect link from the MFC tuple */
+		ret = read_cis_cache(s, LINK_SPACE(tuple->Flags),
+				tuple->LinkOffset, 5, link);
+		if (ret)
+			return -1;
+		ofs = get_unaligned_le32(link + 1);
+		SPACE(tuple->Flags) = (link[0] == CISTPL_MFC_ATTR);
+		/* Move to the next indirect link */
+		tuple->LinkOffset += 5;
+		MFC_FN(tuple->Flags)--;
+	} else if (HAS_LINK(tuple->Flags)) {
+		ofs = tuple->LinkOffset;
+		SPACE(tuple->Flags) = LINK_SPACE(tuple->Flags);
+		HAS_LINK(tuple->Flags) = 0;
+	} else
 		return -1;
-	ofs = get_unaligned_le32(link + 1);
-	SPACE(tuple->Flags) = (link[0] == CISTPL_MFC_ATTR);
-	/* Move to the next indirect link */
-	tuple->LinkOffset += 5;
-	MFC_FN(tuple->Flags)--;
-    } else if (HAS_LINK(tuple->Flags)) {
-	ofs = tuple->LinkOffset;
-	SPACE(tuple->Flags) = LINK_SPACE(tuple->Flags);
-	HAS_LINK(tuple->Flags) = 0;
-    } else {
-	return -1;
-    }
-    if (SPACE(tuple->Flags)) {
-	/* This is ugly, but a common CIS error is to code the long
-	   link offset incorrectly, so we check the right spot... */
+
+	if (SPACE(tuple->Flags)) {
+		/* This is ugly, but a common CIS error is to code the long
+		   link offset incorrectly, so we check the right spot... */
+		ret = read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link);
+		if (ret)
+			return -1;
+		if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) &&
+			(strncmp(link+2, "CIS", 3) == 0))
+			return ofs;
+		remove_cis_cache(s, SPACE(tuple->Flags), ofs, 5);
+		/* Then, we try the wrong spot... */
+		ofs = ofs >> 1;
+	}
 	ret = read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link);
 	if (ret)
 		return -1;
 	if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) &&
-	    (strncmp(link+2, "CIS", 3) == 0))
-	    return ofs;
+		(strncmp(link+2, "CIS", 3) == 0))
+		return ofs;
 	remove_cis_cache(s, SPACE(tuple->Flags), ofs, 5);
-	/* Then, we try the wrong spot... */
-	ofs = ofs >> 1;
-    }
-    ret = read_cis_cache(s, SPACE(tuple->Flags), ofs, 5, link);
-    if (ret)
-	    return -1;
-    if ((link[0] == CISTPL_LINKTARGET) && (link[1] >= 3) &&
-	(strncmp(link+2, "CIS", 3) == 0))
-	return ofs;
-    remove_cis_cache(s, SPACE(tuple->Flags), ofs, 5);
-    return -1;
+	return -1;
 }
 
-int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, tuple_t *tuple)
+int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function,
+			tuple_t *tuple)
 {
-    u_char link[2], tmp;
-    int ofs, i, attr;
-    int ret;
-
-    if (!s)
-	return -EINVAL;
-    if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS))
-	return -ENODEV;
-
-    link[1] = tuple->TupleLink;
-    ofs = tuple->CISOffset + tuple->TupleLink;
-    attr = SPACE(tuple->Flags);
-
-    for (i = 0; i < MAX_TUPLES; i++) {
-	if (link[1] == 0xff) {
-	    link[0] = CISTPL_END;
-	} else {
-	    ret = read_cis_cache(s, attr, ofs, 2, link);
-	    if (ret)
-		    return -1;
-	    if (link[0] == CISTPL_NULL) {
-		ofs++; continue;
-	    }
-	}
+	u_char link[2], tmp;
+	int ofs, i, attr;
+	int ret;
 
-	/* End of chain?  Follow long link if possible */
-	if (link[0] == CISTPL_END) {
-	    ofs = follow_link(s, tuple);
-	    if (ofs < 0)
-		return -ENOSPC;
-	    attr = SPACE(tuple->Flags);
-	    ret = read_cis_cache(s, attr, ofs, 2, link);
-	    if (ret)
-		    return -1;
-	}
+	if (!s)
+		return -EINVAL;
+	if (!(s->state & SOCKET_PRESENT) || (s->state & SOCKET_CARDBUS))
+		return -ENODEV;
 
-	/* Is this a link tuple?  Make a note of it */
-	if ((link[0] == CISTPL_LONGLINK_A) ||
-	    (link[0] == CISTPL_LONGLINK_C) ||
-	    (link[0] == CISTPL_LONGLINK_MFC) ||
-	    (link[0] == CISTPL_LINKTARGET) ||
-	    (link[0] == CISTPL_INDIRECT) ||
-	    (link[0] == CISTPL_NO_LINK)) {
-	    switch (link[0]) {
-	    case CISTPL_LONGLINK_A:
-		HAS_LINK(tuple->Flags) = 1;
-		LINK_SPACE(tuple->Flags) = attr | IS_ATTR;
-		ret = read_cis_cache(s, attr, ofs+2, 4, &tuple->LinkOffset);
-		if (ret)
-			return -1;
-		break;
-	    case CISTPL_LONGLINK_C:
-		HAS_LINK(tuple->Flags) = 1;
-		LINK_SPACE(tuple->Flags) = attr & ~IS_ATTR;
-		ret = read_cis_cache(s, attr, ofs+2, 4, &tuple->LinkOffset);
-		if (ret)
-			return -1;
-		break;
-	    case CISTPL_INDIRECT:
-		HAS_LINK(tuple->Flags) = 1;
-		LINK_SPACE(tuple->Flags) = IS_ATTR | IS_INDIRECT;
-		tuple->LinkOffset = 0;
-		break;
-	    case CISTPL_LONGLINK_MFC:
-		tuple->LinkOffset = ofs + 3;
-		LINK_SPACE(tuple->Flags) = attr;
-		if (function == BIND_FN_ALL) {
-		    /* Follow all the MFC links */
-		    ret = read_cis_cache(s, attr, ofs+2, 1, &tmp);
-		    if (ret)
-			    return -1;
-		    MFC_FN(tuple->Flags) = tmp;
-		} else {
-		    /* Follow exactly one of the links */
-		    MFC_FN(tuple->Flags) = 1;
-		    tuple->LinkOffset += function * 5;
+	link[1] = tuple->TupleLink;
+	ofs = tuple->CISOffset + tuple->TupleLink;
+	attr = SPACE(tuple->Flags);
+
+	for (i = 0; i < MAX_TUPLES; i++) {
+		if (link[1] == 0xff)
+			link[0] = CISTPL_END;
+		else {
+			ret = read_cis_cache(s, attr, ofs, 2, link);
+			if (ret)
+				return -1;
+			if (link[0] == CISTPL_NULL) {
+				ofs++;
+				continue;
+			}
 		}
-		break;
-	    case CISTPL_NO_LINK:
-		HAS_LINK(tuple->Flags) = 0;
-		break;
-	    }
-	    if ((tuple->Attributes & TUPLE_RETURN_LINK) &&
-		(tuple->DesiredTuple == RETURN_FIRST_TUPLE))
-		break;
-	} else
-	    if (tuple->DesiredTuple == RETURN_FIRST_TUPLE)
-		break;
 
-	if (link[0] == tuple->DesiredTuple)
-	    break;
-	ofs += link[1] + 2;
-    }
-    if (i == MAX_TUPLES) {
-	dev_dbg(&s->dev, "cs: overrun in pcmcia_get_next_tuple\n");
-	return -ENOSPC;
-    }
-
-    tuple->TupleCode = link[0];
-    tuple->TupleLink = link[1];
-    tuple->CISOffset = ofs + 2;
-    return 0;
-}
+		/* End of chain?  Follow long link if possible */
+		if (link[0] == CISTPL_END) {
+			ofs = follow_link(s, tuple);
+			if (ofs < 0)
+				return -ENOSPC;
+			attr = SPACE(tuple->Flags);
+			ret = read_cis_cache(s, attr, ofs, 2, link);
+			if (ret)
+				return -1;
+		}
 
-/*====================================================================*/
+		/* Is this a link tuple?  Make a note of it */
+		if ((link[0] == CISTPL_LONGLINK_A) ||
+			(link[0] == CISTPL_LONGLINK_C) ||
+			(link[0] == CISTPL_LONGLINK_MFC) ||
+			(link[0] == CISTPL_LINKTARGET) ||
+			(link[0] == CISTPL_INDIRECT) ||
+			(link[0] == CISTPL_NO_LINK)) {
+			switch (link[0]) {
+			case CISTPL_LONGLINK_A:
+				HAS_LINK(tuple->Flags) = 1;
+				LINK_SPACE(tuple->Flags) = attr | IS_ATTR;
+				ret = read_cis_cache(s, attr, ofs+2, 4,
+						&tuple->LinkOffset);
+				if (ret)
+					return -1;
+				break;
+			case CISTPL_LONGLINK_C:
+				HAS_LINK(tuple->Flags) = 1;
+				LINK_SPACE(tuple->Flags) = attr & ~IS_ATTR;
+				ret = read_cis_cache(s, attr, ofs+2, 4,
+						&tuple->LinkOffset);
+				if (ret)
+					return -1;
+				break;
+			case CISTPL_INDIRECT:
+				HAS_LINK(tuple->Flags) = 1;
+				LINK_SPACE(tuple->Flags) = IS_ATTR |
+					IS_INDIRECT;
+				tuple->LinkOffset = 0;
+				break;
+			case CISTPL_LONGLINK_MFC:
+				tuple->LinkOffset = ofs + 3;
+				LINK_SPACE(tuple->Flags) = attr;
+				if (function == BIND_FN_ALL) {
+					/* Follow all the MFC links */
+					ret = read_cis_cache(s, attr, ofs+2,
+							1, &tmp);
+					if (ret)
+						return -1;
+					MFC_FN(tuple->Flags) = tmp;
+				} else {
+					/* Follow exactly one of the links */
+					MFC_FN(tuple->Flags) = 1;
+					tuple->LinkOffset += function * 5;
+				}
+				break;
+			case CISTPL_NO_LINK:
+				HAS_LINK(tuple->Flags) = 0;
+				break;
+			}
+			if ((tuple->Attributes & TUPLE_RETURN_LINK) &&
+				(tuple->DesiredTuple == RETURN_FIRST_TUPLE))
+				break;
+		} else
+			if (tuple->DesiredTuple == RETURN_FIRST_TUPLE)
+				break;
+
+		if (link[0] == tuple->DesiredTuple)
+			break;
+		ofs += link[1] + 2;
+	}
+	if (i == MAX_TUPLES) {
+		dev_dbg(&s->dev, "cs: overrun in pcmcia_get_next_tuple\n");
+		return -ENOSPC;
+	}
 
-#define _MIN(a, b)		(((a) < (b)) ? (a) : (b))
+	tuple->TupleCode = link[0];
+	tuple->TupleLink = link[1];
+	tuple->CISOffset = ofs + 2;
+	return 0;
+}
 
 int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple)
 {
-    u_int len;
-    int ret;
+	u_int len;
+	int ret;
 
-    if (!s)
-	return -EINVAL;
+	if (!s)
+		return -EINVAL;
 
-    if (tuple->TupleLink < tuple->TupleOffset)
-	return -ENOSPC;
-    len = tuple->TupleLink - tuple->TupleOffset;
-    tuple->TupleDataLen = tuple->TupleLink;
-    if (len == 0)
+	if (tuple->TupleLink < tuple->TupleOffset)
+		return -ENOSPC;
+	len = tuple->TupleLink - tuple->TupleOffset;
+	tuple->TupleDataLen = tuple->TupleLink;
+	if (len == 0)
+		return 0;
+	ret = read_cis_cache(s, SPACE(tuple->Flags),
+			tuple->CISOffset + tuple->TupleOffset,
+			min(len, (u_int) tuple->TupleDataMax),
+			tuple->TupleData);
+	if (ret)
+		return -1;
 	return 0;
-    ret = read_cis_cache(s, SPACE(tuple->Flags),
-		   tuple->CISOffset + tuple->TupleOffset,
-		   _MIN(len, tuple->TupleDataMax), tuple->TupleData);
-    if (ret)
-	    return -1;
-    return 0;
 }
 
 
-/*======================================================================
-
-    Parsing routines for individual tuples
-
-======================================================================*/
+/* Parsing routines for individual tuples */
 
 static int parse_device(tuple_t *tuple, cistpl_device_t *device)
 {
-    int i;
-    u_char scale;
-    u_char *p, *q;
+	int i;
+	u_char scale;
+	u_char *p, *q;
 
-    p = (u_char *)tuple->TupleData;
-    q = p + tuple->TupleDataLen;
+	p = (u_char *)tuple->TupleData;
+	q = p + tuple->TupleDataLen;
 
-    device->ndev = 0;
-    for (i = 0; i < CISTPL_MAX_DEVICES; i++) {
+	device->ndev = 0;
+	for (i = 0; i < CISTPL_MAX_DEVICES; i++) {
 
-	if (*p == 0xff)
-		break;
-	device->dev[i].type = (*p >> 4);
-	device->dev[i].wp = (*p & 0x08) ? 1 : 0;
-	switch (*p & 0x07) {
-	case 0:
-		device->dev[i].speed = 0;
-		break;
-	case 1:
-		device->dev[i].speed = 250;
-		break;
-	case 2:
-		device->dev[i].speed = 200;
-		break;
-	case 3:
-		device->dev[i].speed = 150;
-		break;
-	case 4:
-		device->dev[i].speed = 100;
-		break;
-	case 7:
-		if (++p == q)
-			return -EINVAL;
-		device->dev[i].speed = SPEED_CVT(*p);
-		while (*p & 0x80)
+		if (*p == 0xff)
+			break;
+		device->dev[i].type = (*p >> 4);
+		device->dev[i].wp = (*p & 0x08) ? 1 : 0;
+		switch (*p & 0x07) {
+		case 0:
+			device->dev[i].speed = 0;
+			break;
+		case 1:
+			device->dev[i].speed = 250;
+			break;
+		case 2:
+			device->dev[i].speed = 200;
+			break;
+		case 3:
+			device->dev[i].speed = 150;
+			break;
+		case 4:
+			device->dev[i].speed = 100;
+			break;
+		case 7:
 			if (++p == q)
 				return -EINVAL;
-		break;
-	default:
-		return -EINVAL;
-	}
+			device->dev[i].speed = SPEED_CVT(*p);
+			while (*p & 0x80)
+				if (++p == q)
+					return -EINVAL;
+			break;
+		default:
+			return -EINVAL;
+		}
 
-	if (++p == q)
-		return -EINVAL;
-	if (*p == 0xff)
-		break;
-	scale = *p & 7;
-	if (scale == 7)
-		return -EINVAL;
-	device->dev[i].size = ((*p >> 3) + 1) * (512 << (scale*2));
-	device->ndev++;
-	if (++p == q)
-		break;
-    }
+		if (++p == q)
+			return -EINVAL;
+		if (*p == 0xff)
+			break;
+		scale = *p & 7;
+		if (scale == 7)
+			return -EINVAL;
+		device->dev[i].size = ((*p >> 3) + 1) * (512 << (scale*2));
+		device->ndev++;
+		if (++p == q)
+			break;
+	}
 
-    return 0;
+	return 0;
 }
 
-/*====================================================================*/
 
 static int parse_checksum(tuple_t *tuple, cistpl_checksum_t *csum)
 {
-    u_char *p;
-    if (tuple->TupleDataLen < 5)
-	return -EINVAL;
-    p = (u_char *) tuple->TupleData;
-    csum->addr = tuple->CISOffset + get_unaligned_le16(p) - 2;
-    csum->len = get_unaligned_le16(p + 2);
-    csum->sum = *(p + 4);
-    return 0;
+	u_char *p;
+	if (tuple->TupleDataLen < 5)
+		return -EINVAL;
+	p = (u_char *) tuple->TupleData;
+	csum->addr = tuple->CISOffset + get_unaligned_le16(p) - 2;
+	csum->len = get_unaligned_le16(p + 2);
+	csum->sum = *(p + 4);
+	return 0;
 }
 
-/*====================================================================*/
 
 static int parse_longlink(tuple_t *tuple, cistpl_longlink_t *link)
 {
-    if (tuple->TupleDataLen < 4)
-	return -EINVAL;
-    link->addr = get_unaligned_le32(tuple->TupleData);
-    return 0;
+	if (tuple->TupleDataLen < 4)
+		return -EINVAL;
+	link->addr = get_unaligned_le32(tuple->TupleData);
+	return 0;
 }
 
-/*====================================================================*/
 
-static int parse_longlink_mfc(tuple_t *tuple,
-			      cistpl_longlink_mfc_t *link)
+static int parse_longlink_mfc(tuple_t *tuple, cistpl_longlink_mfc_t *link)
 {
-    u_char *p;
-    int i;
-
-    p = (u_char *)tuple->TupleData;
-
-    link->nfn = *p; p++;
-    if (tuple->TupleDataLen <= link->nfn*5)
-	return -EINVAL;
-    for (i = 0; i < link->nfn; i++) {
-	link->fn[i].space = *p; p++;
-	link->fn[i].addr = get_unaligned_le32(p);
-	p += 4;
-    }
-    return 0;
+	u_char *p;
+	int i;
+
+	p = (u_char *)tuple->TupleData;
+
+	link->nfn = *p; p++;
+	if (tuple->TupleDataLen <= link->nfn*5)
+		return -EINVAL;
+	for (i = 0; i < link->nfn; i++) {
+		link->fn[i].space = *p; p++;
+		link->fn[i].addr = get_unaligned_le32(p);
+		p += 4;
+	}
+	return 0;
 }
 
-/*====================================================================*/
 
 static int parse_strings(u_char *p, u_char *q, int max,
 			 char *s, u_char *ofs, u_char *found)
 {
-    int i, j, ns;
+	int i, j, ns;
 
-    if (p == q)
-	    return -EINVAL;
-    ns = 0; j = 0;
-    for (i = 0; i < max; i++) {
-	if (*p == 0xff)
-		break;
-	ofs[i] = j;
-	ns++;
-	for (;;) {
-	    s[j++] = (*p == 0xff) ? '\0' : *p;
-	    if ((*p == '\0') || (*p == 0xff))
-		    break;
-	    if (++p == q)
-		    return -EINVAL;
+	if (p == q)
+		return -EINVAL;
+	ns = 0; j = 0;
+	for (i = 0; i < max; i++) {
+		if (*p == 0xff)
+			break;
+		ofs[i] = j;
+		ns++;
+		for (;;) {
+			s[j++] = (*p == 0xff) ? '\0' : *p;
+			if ((*p == '\0') || (*p == 0xff))
+				break;
+			if (++p == q)
+				return -EINVAL;
+		}
+		if ((*p == 0xff) || (++p == q))
+			break;
 	}
-	if ((*p == 0xff) || (++p == q))
-		break;
-    }
-    if (found) {
-	*found = ns;
-	return 0;
-    } else {
+	if (found) {
+		*found = ns;
+		return 0;
+	}
+
 	return (ns == max) ? 0 : -EINVAL;
-    }
 }
 
-/*====================================================================*/
 
 static int parse_vers_1(tuple_t *tuple, cistpl_vers_1_t *vers_1)
 {
-    u_char *p, *q;
+	u_char *p, *q;
 
-    p = (u_char *)tuple->TupleData;
-    q = p + tuple->TupleDataLen;
+	p = (u_char *)tuple->TupleData;
+	q = p + tuple->TupleDataLen;
 
-    vers_1->major = *p; p++;
-    vers_1->minor = *p; p++;
-    if (p >= q)
-	    return -EINVAL;
+	vers_1->major = *p; p++;
+	vers_1->minor = *p; p++;
+	if (p >= q)
+		return -EINVAL;
 
-    return parse_strings(p, q, CISTPL_VERS_1_MAX_PROD_STRINGS,
-			 vers_1->str, vers_1->ofs, &vers_1->ns);
+	return parse_strings(p, q, CISTPL_VERS_1_MAX_PROD_STRINGS,
+			vers_1->str, vers_1->ofs, &vers_1->ns);
 }
 
-/*====================================================================*/
 
 static int parse_altstr(tuple_t *tuple, cistpl_altstr_t *altstr)
 {
-    u_char *p, *q;
+	u_char *p, *q;
 
-    p = (u_char *)tuple->TupleData;
-    q = p + tuple->TupleDataLen;
+	p = (u_char *)tuple->TupleData;
+	q = p + tuple->TupleDataLen;
 
-    return parse_strings(p, q, CISTPL_MAX_ALTSTR_STRINGS,
-			 altstr->str, altstr->ofs, &altstr->ns);
+	return parse_strings(p, q, CISTPL_MAX_ALTSTR_STRINGS,
+			altstr->str, altstr->ofs, &altstr->ns);
 }
 
-/*====================================================================*/
 
 static int parse_jedec(tuple_t *tuple, cistpl_jedec_t *jedec)
 {
-    u_char *p, *q;
-    int nid;
+	u_char *p, *q;
+	int nid;
 
-    p = (u_char *)tuple->TupleData;
-    q = p + tuple->TupleDataLen;
+	p = (u_char *)tuple->TupleData;
+	q = p + tuple->TupleDataLen;
 
-    for (nid = 0; nid < CISTPL_MAX_DEVICES; nid++) {
-	if (p > q-2)
-		break;
-	jedec->id[nid].mfr = p[0];
-	jedec->id[nid].info = p[1];
-	p += 2;
-    }
-    jedec->nid = nid;
-    return 0;
+	for (nid = 0; nid < CISTPL_MAX_DEVICES; nid++) {
+		if (p > q-2)
+			break;
+		jedec->id[nid].mfr = p[0];
+		jedec->id[nid].info = p[1];
+		p += 2;
+	}
+	jedec->nid = nid;
+	return 0;
 }
 
-/*====================================================================*/
 
 static int parse_manfid(tuple_t *tuple, cistpl_manfid_t *m)
 {
-    if (tuple->TupleDataLen < 4)
-	return -EINVAL;
-    m->manf = get_unaligned_le16(tuple->TupleData);
-    m->card = get_unaligned_le16(tuple->TupleData + 2);
-    return 0;
+	if (tuple->TupleDataLen < 4)
+		return -EINVAL;
+	m->manf = get_unaligned_le16(tuple->TupleData);
+	m->card = get_unaligned_le16(tuple->TupleData + 2);
+	return 0;
 }
 
-/*====================================================================*/
 
 static int parse_funcid(tuple_t *tuple, cistpl_funcid_t *f)
 {
-    u_char *p;
-    if (tuple->TupleDataLen < 2)
-	return -EINVAL;
-    p = (u_char *)tuple->TupleData;
-    f->func = p[0];
-    f->sysinit = p[1];
-    return 0;
+	u_char *p;
+	if (tuple->TupleDataLen < 2)
+		return -EINVAL;
+	p = (u_char *)tuple->TupleData;
+	f->func = p[0];
+	f->sysinit = p[1];
+	return 0;
 }
 
-/*====================================================================*/
 
 static int parse_funce(tuple_t *tuple, cistpl_funce_t *f)
 {
-    u_char *p;
-    int i;
-    if (tuple->TupleDataLen < 1)
-	return -EINVAL;
-    p = (u_char *)tuple->TupleData;
-    f->type = p[0];
-    for (i = 1; i < tuple->TupleDataLen; i++)
-	f->data[i-1] = p[i];
-    return 0;
+	u_char *p;
+	int i;
+	if (tuple->TupleDataLen < 1)
+		return -EINVAL;
+	p = (u_char *)tuple->TupleData;
+	f->type = p[0];
+	for (i = 1; i < tuple->TupleDataLen; i++)
+		f->data[i-1] = p[i];
+	return 0;
 }
 
-/*====================================================================*/
 
 static int parse_config(tuple_t *tuple, cistpl_config_t *config)
 {
-    int rasz, rmsz, i;
-    u_char *p;
-
-    p = (u_char *)tuple->TupleData;
-    rasz = *p & 0x03;
-    rmsz = (*p & 0x3c) >> 2;
-    if (tuple->TupleDataLen < rasz+rmsz+4)
-	return -EINVAL;
-    config->last_idx = *(++p);
-    p++;
-    config->base = 0;
-    for (i = 0; i <= rasz; i++)
-	config->base += p[i] << (8*i);
-    p += rasz+1;
-    for (i = 0; i < 4; i++)
-	config->rmask[i] = 0;
-    for (i = 0; i <= rmsz; i++)
-	config->rmask[i>>2] += p[i] << (8*(i%4));
-    config->subtuples = tuple->TupleDataLen - (rasz+rmsz+4);
-    return 0;
+	int rasz, rmsz, i;
+	u_char *p;
+
+	p = (u_char *)tuple->TupleData;
+	rasz = *p & 0x03;
+	rmsz = (*p & 0x3c) >> 2;
+	if (tuple->TupleDataLen < rasz+rmsz+4)
+		return -EINVAL;
+	config->last_idx = *(++p);
+	p++;
+	config->base = 0;
+	for (i = 0; i <= rasz; i++)
+		config->base += p[i] << (8*i);
+	p += rasz+1;
+	for (i = 0; i < 4; i++)
+		config->rmask[i] = 0;
+	for (i = 0; i <= rmsz; i++)
+		config->rmask[i>>2] += p[i] << (8*(i%4));
+	config->subtuples = tuple->TupleDataLen - (rasz+rmsz+4);
+	return 0;
 }
 
-/*======================================================================
+/* The following routines are all used to parse the nightmarish
+ * config table entries.
+ */
+
+static u_char *parse_power(u_char *p, u_char *q, cistpl_power_t *pwr)
+{
+	int i;
+	u_int scale;
 
-    The following routines are all used to parse the nightmarish
-    config table entries.
+	if (p == q)
+		return NULL;
+	pwr->present = *p;
+	pwr->flags = 0;
+	p++;
+	for (i = 0; i < 7; i++)
+		if (pwr->present & (1<<i)) {
+			if (p == q)
+				return NULL;
+			pwr->param[i] = POWER_CVT(*p);
+			scale = POWER_SCALE(*p);
+			while (*p & 0x80) {
+				if (++p == q)
+					return NULL;
+				if ((*p & 0x7f) < 100)
+					pwr->param[i] +=
+						(*p & 0x7f) * scale / 100;
+				else if (*p == 0x7d)
+					pwr->flags |= CISTPL_POWER_HIGHZ_OK;
+				else if (*p == 0x7e)
+					pwr->param[i] = 0;
+				else if (*p == 0x7f)
+					pwr->flags |= CISTPL_POWER_HIGHZ_REQ;
+				else
+					return NULL;
+			}
+			p++;
+		}
+	return p;
+}
 
-======================================================================*/
 
-static u_char *parse_power(u_char *p, u_char *q,
-			   cistpl_power_t *pwr)
+static u_char *parse_timing(u_char *p, u_char *q, cistpl_timing_t *timing)
 {
-    int i;
-    u_int scale;
-
-    if (p == q)
-	    return NULL;
-    pwr->present = *p;
-    pwr->flags = 0;
-    p++;
-    for (i = 0; i < 7; i++)
-	if (pwr->present & (1<<i)) {
-	    if (p == q)
-		    return NULL;
-	    pwr->param[i] = POWER_CVT(*p);
-	    scale = POWER_SCALE(*p);
-	    while (*p & 0x80) {
+	u_char scale;
+
+	if (p == q)
+		return NULL;
+	scale = *p;
+	if ((scale & 3) != 3) {
 		if (++p == q)
 			return NULL;
-		if ((*p & 0x7f) < 100)
-		    pwr->param[i] += (*p & 0x7f) * scale / 100;
-		else if (*p == 0x7d)
-		    pwr->flags |= CISTPL_POWER_HIGHZ_OK;
-		else if (*p == 0x7e)
-		    pwr->param[i] = 0;
-		else if (*p == 0x7f)
-		    pwr->flags |= CISTPL_POWER_HIGHZ_REQ;
-		else
-		    return NULL;
-	    }
-	    p++;
-	}
-    return p;
+		timing->wait = SPEED_CVT(*p);
+		timing->waitscale = exponent[scale & 3];
+	} else
+		timing->wait = 0;
+	scale >>= 2;
+	if ((scale & 7) != 7) {
+		if (++p == q)
+			return NULL;
+		timing->ready = SPEED_CVT(*p);
+		timing->rdyscale = exponent[scale & 7];
+	} else
+		timing->ready = 0;
+	scale >>= 3;
+	if (scale != 7) {
+		if (++p == q)
+			return NULL;
+		timing->reserved = SPEED_CVT(*p);
+		timing->rsvscale = exponent[scale];
+	} else
+		timing->reserved = 0;
+	p++;
+	return p;
 }
 
-/*====================================================================*/
 
-static u_char *parse_timing(u_char *p, u_char *q,
-			    cistpl_timing_t *timing)
+static u_char *parse_io(u_char *p, u_char *q, cistpl_io_t *io)
 {
-    u_char scale;
+	int i, j, bsz, lsz;
 
-    if (p == q)
-	    return NULL;
-    scale = *p;
-    if ((scale & 3) != 3) {
-	if (++p == q)
-		return NULL;
-	timing->wait = SPEED_CVT(*p);
-	timing->waitscale = exponent[scale & 3];
-    } else
-	timing->wait = 0;
-    scale >>= 2;
-    if ((scale & 7) != 7) {
-	if (++p == q)
+	if (p == q)
 		return NULL;
-	timing->ready = SPEED_CVT(*p);
-	timing->rdyscale = exponent[scale & 7];
-    } else
-	timing->ready = 0;
-    scale >>= 3;
-    if (scale != 7) {
+	io->flags = *p;
+
+	if (!(*p & 0x80)) {
+		io->nwin = 1;
+		io->win[0].base = 0;
+		io->win[0].len = (1 << (io->flags & CISTPL_IO_LINES_MASK));
+		return p+1;
+	}
+
 	if (++p == q)
 		return NULL;
-	timing->reserved = SPEED_CVT(*p);
-	timing->rsvscale = exponent[scale];
-    } else
-	timing->reserved = 0;
-    p++;
-    return p;
-}
-
-/*====================================================================*/
+	io->nwin = (*p & 0x0f) + 1;
+	bsz = (*p & 0x30) >> 4;
+	if (bsz == 3)
+		bsz++;
+	lsz = (*p & 0xc0) >> 6;
+	if (lsz == 3)
+		lsz++;
+	p++;
 
-static u_char *parse_io(u_char *p, u_char *q, cistpl_io_t *io)
-{
-    int i, j, bsz, lsz;
-
-    if (p == q)
-	    return NULL;
-    io->flags = *p;
-
-    if (!(*p & 0x80)) {
-	io->nwin = 1;
-	io->win[0].base = 0;
-	io->win[0].len = (1 << (io->flags & CISTPL_IO_LINES_MASK));
-	return p+1;
-    }
-
-    if (++p == q)
-	    return NULL;
-    io->nwin = (*p & 0x0f) + 1;
-    bsz = (*p & 0x30) >> 4;
-    if (bsz == 3)
-	    bsz++;
-    lsz = (*p & 0xc0) >> 6;
-    if (lsz == 3)
-	    lsz++;
-    p++;
-
-    for (i = 0; i < io->nwin; i++) {
-	io->win[i].base = 0;
-	io->win[i].len = 1;
-	for (j = 0; j < bsz; j++, p++) {
-	    if (p == q)
-		    return NULL;
-	    io->win[i].base += *p << (j*8);
-	}
-	for (j = 0; j < lsz; j++, p++) {
-	    if (p == q)
-		    return NULL;
-	    io->win[i].len += *p << (j*8);
+	for (i = 0; i < io->nwin; i++) {
+		io->win[i].base = 0;
+		io->win[i].len = 1;
+		for (j = 0; j < bsz; j++, p++) {
+			if (p == q)
+				return NULL;
+			io->win[i].base += *p << (j*8);
+		}
+		for (j = 0; j < lsz; j++, p++) {
+			if (p == q)
+				return NULL;
+			io->win[i].len += *p << (j*8);
+		}
 	}
-    }
-    return p;
+	return p;
 }
 
-/*====================================================================*/
 
 static u_char *parse_mem(u_char *p, u_char *q, cistpl_mem_t *mem)
 {
-    int i, j, asz, lsz, has_ha;
-    u_int len, ca, ha;
-
-    if (p == q)
-	    return NULL;
-
-    mem->nwin = (*p & 0x07) + 1;
-    lsz = (*p & 0x18) >> 3;
-    asz = (*p & 0x60) >> 5;
-    has_ha = (*p & 0x80);
-    if (++p == q)
-	    return NULL;
-
-    for (i = 0; i < mem->nwin; i++) {
-	len = ca = ha = 0;
-	for (j = 0; j < lsz; j++, p++) {
-	    if (p == q)
-		    return NULL;
-	    len += *p << (j*8);
-	}
-	for (j = 0; j < asz; j++, p++) {
-	    if (p == q)
-		    return NULL;
-	    ca += *p << (j*8);
+	int i, j, asz, lsz, has_ha;
+	u_int len, ca, ha;
+
+	if (p == q)
+		return NULL;
+
+	mem->nwin = (*p & 0x07) + 1;
+	lsz = (*p & 0x18) >> 3;
+	asz = (*p & 0x60) >> 5;
+	has_ha = (*p & 0x80);
+	if (++p == q)
+		return NULL;
+
+	for (i = 0; i < mem->nwin; i++) {
+		len = ca = ha = 0;
+		for (j = 0; j < lsz; j++, p++) {
+			if (p == q)
+				return NULL;
+			len += *p << (j*8);
+		}
+		for (j = 0; j < asz; j++, p++) {
+			if (p == q)
+				return NULL;
+			ca += *p << (j*8);
+		}
+		if (has_ha)
+			for (j = 0; j < asz; j++, p++) {
+				if (p == q)
+					return NULL;
+				ha += *p << (j*8);
+			}
+		mem->win[i].len = len << 8;
+		mem->win[i].card_addr = ca << 8;
+		mem->win[i].host_addr = ha << 8;
 	}
-	if (has_ha)
-	    for (j = 0; j < asz; j++, p++) {
-		if (p == q)
-			return NULL;
-		ha += *p << (j*8);
-	    }
-	mem->win[i].len = len << 8;
-	mem->win[i].card_addr = ca << 8;
-	mem->win[i].host_addr = ha << 8;
-    }
-    return p;
+	return p;
 }
 
-/*====================================================================*/
 
 static u_char *parse_irq(u_char *p, u_char *q, cistpl_irq_t *irq)
 {
-    if (p == q)
-	    return NULL;
-    irq->IRQInfo1 = *p; p++;
-    if (irq->IRQInfo1 & IRQ_INFO2_VALID) {
-	if (p+2 > q)
+	if (p == q)
 		return NULL;
-	irq->IRQInfo2 = (p[1]<<8) + p[0];
-	p += 2;
-    }
-    return p;
+	irq->IRQInfo1 = *p; p++;
+	if (irq->IRQInfo1 & IRQ_INFO2_VALID) {
+		if (p+2 > q)
+			return NULL;
+		irq->IRQInfo2 = (p[1]<<8) + p[0];
+		p += 2;
+	}
+	return p;
 }
 
-/*====================================================================*/
 
 static int parse_cftable_entry(tuple_t *tuple,
 			       cistpl_cftable_entry_t *entry)
 {
-    u_char *p, *q, features;
-
-    p = tuple->TupleData;
-    q = p + tuple->TupleDataLen;
-    entry->index = *p & 0x3f;
-    entry->flags = 0;
-    if (*p & 0x40)
-	entry->flags |= CISTPL_CFTABLE_DEFAULT;
-    if (*p & 0x80) {
-	if (++p == q)
-		return -EINVAL;
-	if (*p & 0x10)
-	    entry->flags |= CISTPL_CFTABLE_BVDS;
-	if (*p & 0x20)
-	    entry->flags |= CISTPL_CFTABLE_WP;
+	u_char *p, *q, features;
+
+	p = tuple->TupleData;
+	q = p + tuple->TupleDataLen;
+	entry->index = *p & 0x3f;
+	entry->flags = 0;
 	if (*p & 0x40)
-	    entry->flags |= CISTPL_CFTABLE_RDYBSY;
-	if (*p & 0x80)
-	    entry->flags |= CISTPL_CFTABLE_MWAIT;
-	entry->interface = *p & 0x0f;
-    } else
-	entry->interface = 0;
-
-    /* Process optional features */
-    if (++p == q)
-	    return -EINVAL;
-    features = *p; p++;
-
-    /* Power options */
-    if ((features & 3) > 0) {
-	p = parse_power(p, q, &entry->vcc);
-	if (p == NULL)
-		return -EINVAL;
-    } else
-	entry->vcc.present = 0;
-    if ((features & 3) > 1) {
-	p = parse_power(p, q, &entry->vpp1);
-	if (p == NULL)
-		return -EINVAL;
-    } else
-	entry->vpp1.present = 0;
-    if ((features & 3) > 2) {
-	p = parse_power(p, q, &entry->vpp2);
-	if (p == NULL)
-		return -EINVAL;
-    } else
-	entry->vpp2.present = 0;
+		entry->flags |= CISTPL_CFTABLE_DEFAULT;
+	if (*p & 0x80) {
+		if (++p == q)
+			return -EINVAL;
+		if (*p & 0x10)
+			entry->flags |= CISTPL_CFTABLE_BVDS;
+		if (*p & 0x20)
+			entry->flags |= CISTPL_CFTABLE_WP;
+		if (*p & 0x40)
+			entry->flags |= CISTPL_CFTABLE_RDYBSY;
+		if (*p & 0x80)
+			entry->flags |= CISTPL_CFTABLE_MWAIT;
+		entry->interface = *p & 0x0f;
+	} else
+		entry->interface = 0;
 
-    /* Timing options */
-    if (features & 0x04) {
-	p = parse_timing(p, q, &entry->timing);
-	if (p == NULL)
-		return -EINVAL;
-    } else {
-	entry->timing.wait = 0;
-	entry->timing.ready = 0;
-	entry->timing.reserved = 0;
-    }
-
-    /* I/O window options */
-    if (features & 0x08) {
-	p = parse_io(p, q, &entry->io);
-	if (p == NULL)
+	/* Process optional features */
+	if (++p == q)
 		return -EINVAL;
-    } else
-	entry->io.nwin = 0;
+	features = *p; p++;
 
-    /* Interrupt options */
-    if (features & 0x10) {
-	p = parse_irq(p, q, &entry->irq);
-	if (p == NULL)
-		return -EINVAL;
-    } else
-	entry->irq.IRQInfo1 = 0;
-
-    switch (features & 0x60) {
-    case 0x00:
-	entry->mem.nwin = 0;
-	break;
-    case 0x20:
-	entry->mem.nwin = 1;
-	entry->mem.win[0].len = get_unaligned_le16(p) << 8;
-	entry->mem.win[0].card_addr = 0;
-	entry->mem.win[0].host_addr = 0;
-	p += 2;
-	if (p > q)
-		return -EINVAL;
-	break;
-    case 0x40:
-	entry->mem.nwin = 1;
-	entry->mem.win[0].len = get_unaligned_le16(p) << 8;
-	entry->mem.win[0].card_addr = get_unaligned_le16(p + 2) << 8;
-	entry->mem.win[0].host_addr = 0;
-	p += 4;
-	if (p > q)
-		return -EINVAL;
-	break;
-    case 0x60:
-	p = parse_mem(p, q, &entry->mem);
-	if (p == NULL)
-		return -EINVAL;
-	break;
-    }
+	/* Power options */
+	if ((features & 3) > 0) {
+		p = parse_power(p, q, &entry->vcc);
+		if (p == NULL)
+			return -EINVAL;
+	} else
+		entry->vcc.present = 0;
+	if ((features & 3) > 1) {
+		p = parse_power(p, q, &entry->vpp1);
+		if (p == NULL)
+			return -EINVAL;
+	} else
+		entry->vpp1.present = 0;
+	if ((features & 3) > 2) {
+		p = parse_power(p, q, &entry->vpp2);
+		if (p == NULL)
+			return -EINVAL;
+	} else
+		entry->vpp2.present = 0;
 
-    /* Misc features */
-    if (features & 0x80) {
-	if (p == q)
-		return -EINVAL;
-	entry->flags |= (*p << 8);
-	while (*p & 0x80)
-	    if (++p == q)
-		    return -EINVAL;
-	p++;
-    }
+	/* Timing options */
+	if (features & 0x04) {
+		p = parse_timing(p, q, &entry->timing);
+		if (p == NULL)
+			return -EINVAL;
+	} else {
+		entry->timing.wait = 0;
+		entry->timing.ready = 0;
+		entry->timing.reserved = 0;
+	}
 
-    entry->subtuples = q-p;
+	/* I/O window options */
+	if (features & 0x08) {
+		p = parse_io(p, q, &entry->io);
+		if (p == NULL)
+			return -EINVAL;
+	} else
+		entry->io.nwin = 0;
+
+	/* Interrupt options */
+	if (features & 0x10) {
+		p = parse_irq(p, q, &entry->irq);
+		if (p == NULL)
+			return -EINVAL;
+	} else
+		entry->irq.IRQInfo1 = 0;
+
+	switch (features & 0x60) {
+	case 0x00:
+		entry->mem.nwin = 0;
+		break;
+	case 0x20:
+		entry->mem.nwin = 1;
+		entry->mem.win[0].len = get_unaligned_le16(p) << 8;
+		entry->mem.win[0].card_addr = 0;
+		entry->mem.win[0].host_addr = 0;
+		p += 2;
+		if (p > q)
+			return -EINVAL;
+		break;
+	case 0x40:
+		entry->mem.nwin = 1;
+		entry->mem.win[0].len = get_unaligned_le16(p) << 8;
+		entry->mem.win[0].card_addr = get_unaligned_le16(p + 2) << 8;
+		entry->mem.win[0].host_addr = 0;
+		p += 4;
+		if (p > q)
+			return -EINVAL;
+		break;
+	case 0x60:
+		p = parse_mem(p, q, &entry->mem);
+		if (p == NULL)
+			return -EINVAL;
+		break;
+	}
+
+	/* Misc features */
+	if (features & 0x80) {
+		if (p == q)
+			return -EINVAL;
+		entry->flags |= (*p << 8);
+		while (*p & 0x80)
+			if (++p == q)
+				return -EINVAL;
+		p++;
+	}
+
+	entry->subtuples = q-p;
 
-    return 0;
+	return 0;
 }
 
-/*====================================================================*/
 
 static int parse_device_geo(tuple_t *tuple, cistpl_device_geo_t *geo)
 {
-    u_char *p, *q;
-    int n;
+	u_char *p, *q;
+	int n;
 
-    p = (u_char *)tuple->TupleData;
-    q = p + tuple->TupleDataLen;
+	p = (u_char *)tuple->TupleData;
+	q = p + tuple->TupleDataLen;
 
-    for (n = 0; n < CISTPL_MAX_DEVICES; n++) {
-	if (p > q-6)
-		break;
-	geo->geo[n].buswidth = p[0];
-	geo->geo[n].erase_block = 1 << (p[1]-1);
-	geo->geo[n].read_block  = 1 << (p[2]-1);
-	geo->geo[n].write_block = 1 << (p[3]-1);
-	geo->geo[n].partition   = 1 << (p[4]-1);
-	geo->geo[n].interleave  = 1 << (p[5]-1);
-	p += 6;
-    }
-    geo->ngeo = n;
-    return 0;
+	for (n = 0; n < CISTPL_MAX_DEVICES; n++) {
+		if (p > q-6)
+			break;
+		geo->geo[n].buswidth = p[0];
+		geo->geo[n].erase_block = 1 << (p[1]-1);
+		geo->geo[n].read_block  = 1 << (p[2]-1);
+		geo->geo[n].write_block = 1 << (p[3]-1);
+		geo->geo[n].partition   = 1 << (p[4]-1);
+		geo->geo[n].interleave  = 1 << (p[5]-1);
+		p += 6;
+	}
+	geo->ngeo = n;
+	return 0;
 }
 
-/*====================================================================*/
 
 static int parse_vers_2(tuple_t *tuple, cistpl_vers_2_t *v2)
 {
-    u_char *p, *q;
-
-    if (tuple->TupleDataLen < 10)
-	return -EINVAL;
-
-    p = tuple->TupleData;
-    q = p + tuple->TupleDataLen;
-
-    v2->vers = p[0];
-    v2->comply = p[1];
-    v2->dindex = get_unaligned_le16(p + 2);
-    v2->vspec8 = p[6];
-    v2->vspec9 = p[7];
-    v2->nhdr = p[8];
-    p += 9;
-    return parse_strings(p, q, 2, v2->str, &v2->vendor, NULL);
+	u_char *p, *q;
+
+	if (tuple->TupleDataLen < 10)
+		return -EINVAL;
+
+	p = tuple->TupleData;
+	q = p + tuple->TupleDataLen;
+
+	v2->vers = p[0];
+	v2->comply = p[1];
+	v2->dindex = get_unaligned_le16(p + 2);
+	v2->vspec8 = p[6];
+	v2->vspec9 = p[7];
+	v2->nhdr = p[8];
+	p += 9;
+	return parse_strings(p, q, 2, v2->str, &v2->vendor, NULL);
 }
 
-/*====================================================================*/
 
 static int parse_org(tuple_t *tuple, cistpl_org_t *org)
 {
-    u_char *p, *q;
-    int i;
-
-    p = tuple->TupleData;
-    q = p + tuple->TupleDataLen;
-    if (p == q)
-	    return -EINVAL;
-    org->data_org = *p;
-    if (++p == q)
-	    return -EINVAL;
-    for (i = 0; i < 30; i++) {
-	org->desc[i] = *p;
-	if (*p == '\0')
-		break;
+	u_char *p, *q;
+	int i;
+
+	p = tuple->TupleData;
+	q = p + tuple->TupleDataLen;
+	if (p == q)
+		return -EINVAL;
+	org->data_org = *p;
 	if (++p == q)
 		return -EINVAL;
-    }
-    return 0;
+	for (i = 0; i < 30; i++) {
+		org->desc[i] = *p;
+		if (*p == '\0')
+			break;
+		if (++p == q)
+			return -EINVAL;
+	}
+	return 0;
 }
 
-/*====================================================================*/
 
 static int parse_format(tuple_t *tuple, cistpl_format_t *fmt)
 {
-    u_char *p;
+	u_char *p;
 
-    if (tuple->TupleDataLen < 10)
-	return -EINVAL;
+	if (tuple->TupleDataLen < 10)
+		return -EINVAL;
 
-    p = tuple->TupleData;
+	p = tuple->TupleData;
 
-    fmt->type = p[0];
-    fmt->edc = p[1];
-    fmt->offset = get_unaligned_le32(p + 2);
-    fmt->length = get_unaligned_le32(p + 6);
+	fmt->type = p[0];
+	fmt->edc = p[1];
+	fmt->offset = get_unaligned_le32(p + 2);
+	fmt->length = get_unaligned_le32(p + 6);
 
-    return 0;
+	return 0;
 }
 
-/*====================================================================*/
 
 int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse)
 {
-    int ret = 0;
-
-    if (tuple->TupleDataLen > tuple->TupleDataMax)
-	return -EINVAL;
-    switch (tuple->TupleCode) {
-    case CISTPL_DEVICE:
-    case CISTPL_DEVICE_A:
-	ret = parse_device(tuple, &parse->device);
-	break;
-    case CISTPL_CHECKSUM:
-	ret = parse_checksum(tuple, &parse->checksum);
-	break;
-    case CISTPL_LONGLINK_A:
-    case CISTPL_LONGLINK_C:
-	ret = parse_longlink(tuple, &parse->longlink);
-	break;
-    case CISTPL_LONGLINK_MFC:
-	ret = parse_longlink_mfc(tuple, &parse->longlink_mfc);
-	break;
-    case CISTPL_VERS_1:
-	ret = parse_vers_1(tuple, &parse->version_1);
-	break;
-    case CISTPL_ALTSTR:
-	ret = parse_altstr(tuple, &parse->altstr);
-	break;
-    case CISTPL_JEDEC_A:
-    case CISTPL_JEDEC_C:
-	ret = parse_jedec(tuple, &parse->jedec);
-	break;
-    case CISTPL_MANFID:
-	ret = parse_manfid(tuple, &parse->manfid);
-	break;
-    case CISTPL_FUNCID:
-	ret = parse_funcid(tuple, &parse->funcid);
-	break;
-    case CISTPL_FUNCE:
-	ret = parse_funce(tuple, &parse->funce);
-	break;
-    case CISTPL_CONFIG:
-	ret = parse_config(tuple, &parse->config);
-	break;
-    case CISTPL_CFTABLE_ENTRY:
-	ret = parse_cftable_entry(tuple, &parse->cftable_entry);
-	break;
-    case CISTPL_DEVICE_GEO:
-    case CISTPL_DEVICE_GEO_A:
-	ret = parse_device_geo(tuple, &parse->device_geo);
-	break;
-    case CISTPL_VERS_2:
-	ret = parse_vers_2(tuple, &parse->vers_2);
-	break;
-    case CISTPL_ORG:
-	ret = parse_org(tuple, &parse->org);
-	break;
-    case CISTPL_FORMAT:
-    case CISTPL_FORMAT_A:
-	ret = parse_format(tuple, &parse->format);
-	break;
-    case CISTPL_NO_LINK:
-    case CISTPL_LINKTARGET:
-	ret = 0;
-	break;
-    default:
-	ret = -EINVAL;
-	break;
-    }
-    if (ret)
-	    pr_debug("parse_tuple failed %d\n", ret);
-    return ret;
+	int ret = 0;
+
+	if (tuple->TupleDataLen > tuple->TupleDataMax)
+		return -EINVAL;
+	switch (tuple->TupleCode) {
+	case CISTPL_DEVICE:
+	case CISTPL_DEVICE_A:
+		ret = parse_device(tuple, &parse->device);
+		break;
+	case CISTPL_CHECKSUM:
+		ret = parse_checksum(tuple, &parse->checksum);
+		break;
+	case CISTPL_LONGLINK_A:
+	case CISTPL_LONGLINK_C:
+		ret = parse_longlink(tuple, &parse->longlink);
+		break;
+	case CISTPL_LONGLINK_MFC:
+		ret = parse_longlink_mfc(tuple, &parse->longlink_mfc);
+		break;
+	case CISTPL_VERS_1:
+		ret = parse_vers_1(tuple, &parse->version_1);
+		break;
+	case CISTPL_ALTSTR:
+		ret = parse_altstr(tuple, &parse->altstr);
+		break;
+	case CISTPL_JEDEC_A:
+	case CISTPL_JEDEC_C:
+		ret = parse_jedec(tuple, &parse->jedec);
+		break;
+	case CISTPL_MANFID:
+		ret = parse_manfid(tuple, &parse->manfid);
+		break;
+	case CISTPL_FUNCID:
+		ret = parse_funcid(tuple, &parse->funcid);
+		break;
+	case CISTPL_FUNCE:
+		ret = parse_funce(tuple, &parse->funce);
+		break;
+	case CISTPL_CONFIG:
+		ret = parse_config(tuple, &parse->config);
+		break;
+	case CISTPL_CFTABLE_ENTRY:
+		ret = parse_cftable_entry(tuple, &parse->cftable_entry);
+		break;
+	case CISTPL_DEVICE_GEO:
+	case CISTPL_DEVICE_GEO_A:
+		ret = parse_device_geo(tuple, &parse->device_geo);
+		break;
+	case CISTPL_VERS_2:
+		ret = parse_vers_2(tuple, &parse->vers_2);
+		break;
+	case CISTPL_ORG:
+		ret = parse_org(tuple, &parse->org);
+		break;
+	case CISTPL_FORMAT:
+	case CISTPL_FORMAT_A:
+		ret = parse_format(tuple, &parse->format);
+		break;
+	case CISTPL_NO_LINK:
+	case CISTPL_LINKTARGET:
+		ret = 0;
+		break;
+	default:
+		ret = -EINVAL;
+		break;
+	}
+	if (ret)
+		pr_debug("parse_tuple failed %d\n", ret);
+	return ret;
 }
 EXPORT_SYMBOL(pcmcia_parse_tuple);
 
-/*======================================================================
 
-    This is used internally by Card Services to look up CIS stuff.
-
-======================================================================*/
-
-int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function, cisdata_t code, void *parse)
+/**
+ * pccard_read_tuple() - internal CIS tuple access
+ * @s:		the struct pcmcia_socket where the card is inserted
+ * @function:	the device function we loop for
+ * @code:	which CIS code shall we look for?
+ * @parse:	buffer where the tuple shall be parsed (or NULL, if no parse)
+ *
+ * pccard_read_tuple() reads out one tuple and attempts to parse it
+ */
+int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,
+		cisdata_t code, void *parse)
 {
-    tuple_t tuple;
-    cisdata_t *buf;
-    int ret;
-
-    buf = kmalloc(256, GFP_KERNEL);
-    if (buf == NULL) {
-	    dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n");
-	    return -ENOMEM;
-    }
-    tuple.DesiredTuple = code;
-    tuple.Attributes = 0;
-    if (function == BIND_FN_ALL)
-	    tuple.Attributes = TUPLE_RETURN_COMMON;
-    ret = pccard_get_first_tuple(s, function, &tuple);
-    if (ret != 0)
-	    goto done;
-    tuple.TupleData = buf;
-    tuple.TupleOffset = 0;
-    tuple.TupleDataMax = 255;
-    ret = pccard_get_tuple_data(s, &tuple);
-    if (ret != 0)
-	    goto done;
-    ret = pcmcia_parse_tuple(&tuple, parse);
+	tuple_t tuple;
+	cisdata_t *buf;
+	int ret;
+
+	buf = kmalloc(256, GFP_KERNEL);
+	if (buf == NULL) {
+		dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n");
+		return -ENOMEM;
+	}
+	tuple.DesiredTuple = code;
+	tuple.Attributes = 0;
+	if (function == BIND_FN_ALL)
+		tuple.Attributes = TUPLE_RETURN_COMMON;
+	ret = pccard_get_first_tuple(s, function, &tuple);
+	if (ret != 0)
+		goto done;
+	tuple.TupleData = buf;
+	tuple.TupleOffset = 0;
+	tuple.TupleDataMax = 255;
+	ret = pccard_get_tuple_data(s, &tuple);
+	if (ret != 0)
+		goto done;
+	ret = pcmcia_parse_tuple(&tuple, parse);
 done:
-    kfree(buf);
-    return ret;
+	kfree(buf);
+	return ret;
 }
 
 
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index e679e708db63..75ed866e6953 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -76,65 +76,6 @@ DECLARE_RWSEM(pcmcia_socket_list_rwsem);
 EXPORT_SYMBOL(pcmcia_socket_list_rwsem);
 
 
-/*
- * Low-level PCMCIA socket drivers need to register with the PCCard
- * core using pcmcia_register_socket.
- *
- * socket drivers are expected to use the following callbacks in their
- * .drv struct:
- *  - pcmcia_socket_dev_suspend
- *  - pcmcia_socket_dev_resume
- * These functions check for the appropriate struct pcmcia_soket arrays,
- * and pass them to the low-level functions pcmcia_{suspend,resume}_socket
- */
-static int socket_early_resume(struct pcmcia_socket *skt);
-static int socket_late_resume(struct pcmcia_socket *skt);
-static int socket_resume(struct pcmcia_socket *skt);
-static int socket_suspend(struct pcmcia_socket *skt);
-
-static void pcmcia_socket_dev_run(struct device *dev,
-				  int (*cb)(struct pcmcia_socket *))
-{
-	struct pcmcia_socket *socket;
-
-	down_read(&pcmcia_socket_list_rwsem);
-	list_for_each_entry(socket, &pcmcia_socket_list, socket_list) {
-		if (socket->dev.parent != dev)
-			continue;
-		mutex_lock(&socket->skt_mutex);
-		cb(socket);
-		mutex_unlock(&socket->skt_mutex);
-	}
-	up_read(&pcmcia_socket_list_rwsem);
-}
-
-int pcmcia_socket_dev_suspend(struct device *dev)
-{
-	pcmcia_socket_dev_run(dev, socket_suspend);
-	return 0;
-}
-EXPORT_SYMBOL(pcmcia_socket_dev_suspend);
-
-void pcmcia_socket_dev_early_resume(struct device *dev)
-{
-	pcmcia_socket_dev_run(dev, socket_early_resume);
-}
-EXPORT_SYMBOL(pcmcia_socket_dev_early_resume);
-
-void pcmcia_socket_dev_late_resume(struct device *dev)
-{
-	pcmcia_socket_dev_run(dev, socket_late_resume);
-}
-EXPORT_SYMBOL(pcmcia_socket_dev_late_resume);
-
-int pcmcia_socket_dev_resume(struct device *dev)
-{
-	pcmcia_socket_dev_run(dev, socket_resume);
-	return 0;
-}
-EXPORT_SYMBOL(pcmcia_socket_dev_resume);
-
-
 struct pcmcia_socket *pcmcia_get_socket(struct pcmcia_socket *skt)
 {
 	struct device *dev = get_device(&skt->dev);
@@ -578,12 +519,18 @@ static int socket_early_resume(struct pcmcia_socket *skt)
 
 static int socket_late_resume(struct pcmcia_socket *skt)
 {
+	int ret;
+
 	mutex_lock(&skt->ops_mutex);
 	skt->state &= ~SOCKET_SUSPEND;
 	mutex_unlock(&skt->ops_mutex);
 
-	if (!(skt->state & SOCKET_PRESENT))
-		return socket_insert(skt);
+	if (!(skt->state & SOCKET_PRESENT)) {
+		ret = socket_insert(skt);
+		if (ret == -ENODEV)
+			ret = 0;
+		return ret;
+	}
 
 	if (skt->resume_status) {
 		socket_shutdown(skt);
@@ -919,11 +866,66 @@ static void pcmcia_release_socket_class(struct class *data)
 }
 
 
+#ifdef CONFIG_PM
+
+static int __pcmcia_pm_op(struct device *dev,
+			  int (*callback) (struct pcmcia_socket *skt))
+{
+	struct pcmcia_socket *s = container_of(dev, struct pcmcia_socket, dev);
+	int ret;
+
+	mutex_lock(&s->skt_mutex);
+	ret = callback(s);
+	mutex_unlock(&s->skt_mutex);
+
+	return ret;
+}
+
+static int pcmcia_socket_dev_suspend_noirq(struct device *dev)
+{
+	return __pcmcia_pm_op(dev, socket_suspend);
+}
+
+static int pcmcia_socket_dev_resume_noirq(struct device *dev)
+{
+	return __pcmcia_pm_op(dev, socket_early_resume);
+}
+
+static int pcmcia_socket_dev_resume(struct device *dev)
+{
+	return __pcmcia_pm_op(dev, socket_late_resume);
+}
+
+static const struct dev_pm_ops pcmcia_socket_pm_ops = {
+	/* dev_resume may be called with IRQs enabled */
+	SET_SYSTEM_SLEEP_PM_OPS(NULL,
+				pcmcia_socket_dev_resume)
+
+	/* late suspend must be called with IRQs disabled */
+	.suspend_noirq = pcmcia_socket_dev_suspend_noirq,
+	.freeze_noirq = pcmcia_socket_dev_suspend_noirq,
+	.poweroff_noirq = pcmcia_socket_dev_suspend_noirq,
+
+	/* early resume must be called with IRQs disabled */
+	.resume_noirq = pcmcia_socket_dev_resume_noirq,
+	.thaw_noirq = pcmcia_socket_dev_resume_noirq,
+	.restore_noirq = pcmcia_socket_dev_resume_noirq,
+};
+
+#define PCMCIA_SOCKET_CLASS_PM_OPS (&pcmcia_socket_pm_ops)
+
+#else /* CONFIG_PM */
+
+#define PCMCIA_SOCKET_CLASS_PM_OPS NULL
+
+#endif /* CONFIG_PM */
+
 struct class pcmcia_socket_class = {
 	.name = "pcmcia_socket",
 	.dev_uevent = pcmcia_socket_uevent,
 	.dev_release = pcmcia_release_socket,
 	.class_release = pcmcia_release_socket_class,
+	.pm = PCMCIA_SOCKET_CLASS_PM_OPS,
 };
 EXPORT_SYMBOL(pcmcia_socket_class);
 
diff --git a/drivers/pcmcia/db1xxx_ss.c b/drivers/pcmcia/db1xxx_ss.c
index 3889cf07d6ce..a520193b6453 100644
--- a/drivers/pcmcia/db1xxx_ss.c
+++ b/drivers/pcmcia/db1xxx_ss.c
@@ -42,7 +42,6 @@ struct db1x_pcmcia_sock {
 	int		nr;		/* socket number */
 	void		*virt_io;
 
-	/* the "pseudo" addresses of the PCMCIA space. */
 	phys_addr_t	phys_io;
 	phys_addr_t	phys_attr;
 	phys_addr_t	phys_mem;
@@ -437,7 +436,7 @@ static int __devinit db1x_pcmcia_socket_probe(struct platform_device *pdev)
 	 * This includes IRQs for Carddetection/ejection, the card
 	 *  itself and optional status change detection.
 	 * Also, the memory areas covered by a socket.  For these
-	 *  we require the 32bit "pseudo" addresses (see the au1000.h
+	 *  we require the real 36bit addresses (see the au1000.h
 	 *  header for more information).
 	 */
 
@@ -459,11 +458,7 @@ static int __devinit db1x_pcmcia_socket_probe(struct platform_device *pdev)
 
 	ret = -ENODEV;
 
-	/*
-	 * pseudo-attr:  The 32bit address of the PCMCIA attribute space
-	 * for this socket (usually the 36bit address shifted 4 to the
-	 * right).
-	 */
+	/* 36bit PCMCIA Attribute area address */
 	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-attr");
 	if (!r) {
 		printk(KERN_ERR "pcmcia%d has no 'pseudo-attr' resource!\n",
@@ -472,10 +467,7 @@ static int __devinit db1x_pcmcia_socket_probe(struct platform_device *pdev)
 	}
 	sock->phys_attr = r->start;
 
-	/*
-	 * pseudo-mem:  The 32bit address of the PCMCIA memory space for
-	 * this socket (usually the 36bit address shifted 4 to the right)
-	 */
+	/* 36bit PCMCIA Memory area address */
 	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-mem");
 	if (!r) {
 		printk(KERN_ERR "pcmcia%d has no 'pseudo-mem' resource!\n",
@@ -484,10 +476,7 @@ static int __devinit db1x_pcmcia_socket_probe(struct platform_device *pdev)
 	}
 	sock->phys_mem = r->start;
 
-	/*
-	 * pseudo-io:  The 32bit address of the PCMCIA IO space for this
-	 * socket (usually the 36bit address shifted 4 to the right).
-	 */
+	/* 36bit PCMCIA IO area address */
 	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-io");
 	if (!r) {
 		printk(KERN_ERR "pcmcia%d has no 'pseudo-io' resource!\n",
@@ -569,37 +558,10 @@ static int __devexit db1x_pcmcia_socket_remove(struct platform_device *pdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM
-static int db1x_pcmcia_suspend(struct device *dev)
-{
-	return pcmcia_socket_dev_suspend(dev);
-}
-
-static int db1x_pcmcia_resume(struct device *dev)
-{
-	return pcmcia_socket_dev_resume(dev);
-}
-
-static struct dev_pm_ops db1x_pcmcia_pmops = {
-	.resume		= db1x_pcmcia_resume,
-	.suspend	= db1x_pcmcia_suspend,
-	.thaw		= db1x_pcmcia_resume,
-	.freeze		= db1x_pcmcia_suspend,
-};
-
-#define DB1XXX_SS_PMOPS &db1x_pcmcia_pmops
-
-#else
-
-#define DB1XXX_SS_PMOPS NULL
-
-#endif
-
 static struct platform_driver db1x_pcmcia_socket_driver = {
 	.driver	= {
 		.name	= "db1xxx_pcmcia",
 		.owner	= THIS_MODULE,
-		.pm	= DB1XXX_SS_PMOPS
 	},
 	.probe		= db1x_pcmcia_socket_probe,
 	.remove		= __devexit_p(db1x_pcmcia_socket_remove),
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 0f98be4450b7..52d33b2a5bc5 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -509,8 +509,12 @@ struct pcmcia_device *pcmcia_device_add(struct pcmcia_socket *s, unsigned int fu
 	p_dev->device_no = (s->device_count++);
 	mutex_unlock(&s->ops_mutex);
 
-	/* max of 2 devices per card */
-	if (p_dev->device_no >= 2)
+	/* max of 2 PFC devices */
+	if ((p_dev->device_no >= 2) && (function == 0))
+		goto err_free;
+
+	/* max of 4 devices overall */
+	if (p_dev->device_no >= 4)
 		goto err_free;
 
 	p_dev->socket = s;
@@ -971,9 +975,9 @@ static int runtime_suspend(struct device *dev)
 {
 	int rc;
 
-	down(&dev->sem);
+	device_lock(dev);
 	rc = pcmcia_dev_suspend(dev, PMSG_SUSPEND);
-	up(&dev->sem);
+	device_unlock(dev);
 	return rc;
 }
 
@@ -981,9 +985,9 @@ static int runtime_resume(struct device *dev)
 {
 	int rc;
 
-	down(&dev->sem);
+	device_lock(dev);
 	rc = pcmcia_dev_resume(dev);
-	up(&dev->sem);
+	device_unlock(dev);
 	return rc;
 }
 
diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c
index a04f21c8170f..3003bb3dfcc0 100644
--- a/drivers/pcmcia/i82092.c
+++ b/drivers/pcmcia/i82092.c
@@ -39,27 +39,11 @@ static struct pci_device_id i82092aa_pci_ids[] = {
 };
 MODULE_DEVICE_TABLE(pci, i82092aa_pci_ids);
 
-#ifdef CONFIG_PM
-static int i82092aa_socket_suspend (struct pci_dev *dev, pm_message_t state)
-{
-	return pcmcia_socket_dev_suspend(&dev->dev);
-}
-
-static int i82092aa_socket_resume (struct pci_dev *dev)
-{
-	return pcmcia_socket_dev_resume(&dev->dev);
-}
-#endif
-
 static struct pci_driver i82092aa_pci_driver = {
 	.name           = "i82092aa",
 	.id_table       = i82092aa_pci_ids,
 	.probe          = i82092aa_pci_probe,
 	.remove         = __devexit_p(i82092aa_pci_remove),
-#ifdef CONFIG_PM
-	.suspend        = i82092aa_socket_suspend,
-	.resume         = i82092aa_socket_resume,
-#endif
 };
 
 
@@ -133,6 +117,7 @@ static int __devinit i82092aa_pci_probe(struct pci_dev *dev, const struct pci_de
 		sockets[i].socket.map_size = 0x1000;
 		sockets[i].socket.irq_mask = 0;
 		sockets[i].socket.pci_irq  = dev->irq;
+		sockets[i].socket.cb_dev  = dev;
 		sockets[i].socket.owner = THIS_MODULE;
 
 		sockets[i].number = i;
diff --git a/drivers/pcmcia/i82365.c b/drivers/pcmcia/i82365.c
index c13fd9360511..d53d9b5659c7 100644
--- a/drivers/pcmcia/i82365.c
+++ b/drivers/pcmcia/i82365.c
@@ -1223,16 +1223,7 @@ static int pcic_init(struct pcmcia_socket *s)
 	return 0;
 }
 
-static int i82365_drv_pcmcia_suspend(struct platform_device *dev,
-				     pm_message_t state)
-{
-	return pcmcia_socket_dev_suspend(&dev->dev);
-}
 
-static int i82365_drv_pcmcia_resume(struct platform_device *dev)
-{
-	return pcmcia_socket_dev_resume(&dev->dev);
-}
 static struct pccard_operations pcic_operations = {
 	.init			= pcic_init,
 	.get_status		= pcic_get_status,
@@ -1248,8 +1239,6 @@ static struct platform_driver i82365_driver = {
 		.name = "i82365",
 		.owner		= THIS_MODULE,
 	},
-	.suspend 	= i82365_drv_pcmcia_suspend,
-	.resume 	= i82365_drv_pcmcia_resume,
 };
 
 static struct platform_device *i82365_device;
diff --git a/drivers/pcmcia/i82365.h b/drivers/pcmcia/i82365.h
index 849ef1b5d687..3f84d7a2dc84 100644
--- a/drivers/pcmcia/i82365.h
+++ b/drivers/pcmcia/i82365.h
@@ -95,6 +95,7 @@
 #define I365_CSC_DETECT	0x08
 #define I365_CSC_ANY	0x0F
 #define I365_CSC_GPI	0x10
+#define I365_CSC_IRQ_MASK	0xF0
 
 /* Flags for I365_ADDRWIN */
 #define I365_ENA_IO(map)	(0x40 << (map))
diff --git a/drivers/pcmcia/m32r_cfc.c b/drivers/pcmcia/m32r_cfc.c
index 0ece2cd4a85e..ab21264468d6 100644
--- a/drivers/pcmcia/m32r_cfc.c
+++ b/drivers/pcmcia/m32r_cfc.c
@@ -685,16 +685,7 @@ static struct pccard_operations pcc_operations = {
 	.set_mem_map		= pcc_set_mem_map,
 };
 
-static int cfc_drv_pcmcia_suspend(struct platform_device *dev,
-				     pm_message_t state)
-{
-	return pcmcia_socket_dev_suspend(&dev->dev);
-}
 
-static int cfc_drv_pcmcia_resume(struct platform_device *dev)
-{
-	return pcmcia_socket_dev_resume(&dev->dev);
-}
 /*====================================================================*/
 
 static struct platform_driver pcc_driver = {
@@ -702,8 +693,6 @@ static struct platform_driver pcc_driver = {
 		.name		= "cfc",
 		.owner		= THIS_MODULE,
 	},
-	.suspend 	= cfc_drv_pcmcia_suspend,
-	.resume 	= cfc_drv_pcmcia_resume,
 };
 
 static struct platform_device pcc_device = {
diff --git a/drivers/pcmcia/m32r_pcc.c b/drivers/pcmcia/m32r_pcc.c
index 72844c5a6d05..0caf3db7c700 100644
--- a/drivers/pcmcia/m32r_pcc.c
+++ b/drivers/pcmcia/m32r_pcc.c
@@ -663,16 +663,6 @@ static struct pccard_operations pcc_operations = {
 	.set_mem_map		= pcc_set_mem_map,
 };
 
-static int pcc_drv_pcmcia_suspend(struct platform_device *dev,
-				     pm_message_t state)
-{
-	return pcmcia_socket_dev_suspend(&dev->dev);
-}
-
-static int pcc_drv_pcmcia_resume(struct platform_device *dev)
-{
-	return pcmcia_socket_dev_resume(&dev->dev);
-}
 /*====================================================================*/
 
 static struct platform_driver pcc_driver = {
@@ -680,8 +670,6 @@ static struct platform_driver pcc_driver = {
 		.name		= "pcc",
 		.owner		= THIS_MODULE,
 	},
-	.suspend 	= pcc_drv_pcmcia_suspend,
-	.resume 	= pcc_drv_pcmcia_resume,
 };
 
 static struct platform_device pcc_device = {
diff --git a/drivers/pcmcia/m8xx_pcmcia.c b/drivers/pcmcia/m8xx_pcmcia.c
index 61c215918128..01ef7de15322 100644
--- a/drivers/pcmcia/m8xx_pcmcia.c
+++ b/drivers/pcmcia/m8xx_pcmcia.c
@@ -1288,21 +1288,6 @@ static int m8xx_remove(struct of_device *ofdev)
 	return 0;
 }
 
-#ifdef CONFIG_PM
-static int m8xx_suspend(struct platform_device *pdev, pm_message_t state)
-{
-	return pcmcia_socket_dev_suspend(&pdev->dev);
-}
-
-static int m8xx_resume(struct platform_device *pdev)
-{
-	return pcmcia_socket_dev_resume(&pdev->dev);
-}
-#else
-#define m8xx_suspend NULL
-#define m8xx_resume NULL
-#endif
-
 static const struct of_device_id m8xx_pcmcia_match[] = {
 	{
 	 .type = "pcmcia",
@@ -1318,8 +1303,6 @@ static struct of_platform_driver m8xx_pcmcia_driver = {
 	.match_table = m8xx_pcmcia_match,
 	.probe = m8xx_probe,
 	.remove = m8xx_remove,
-	.suspend = m8xx_suspend,
-	.resume = m8xx_resume,
 };
 
 static int __init m8xx_init(void)
diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c
index 3ef991552398..9edc396577b9 100644
--- a/drivers/pcmcia/omap_cf.c
+++ b/drivers/pcmcia/omap_cf.c
@@ -330,24 +330,12 @@ static int __exit omap_cf_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static int omap_cf_suspend(struct platform_device *pdev, pm_message_t mesg)
-{
-	return pcmcia_socket_dev_suspend(&pdev->dev);
-}
-
-static int omap_cf_resume(struct platform_device *pdev)
-{
-	return pcmcia_socket_dev_resume(&pdev->dev);
-}
-
 static struct platform_driver omap_cf_driver = {
 	.driver = {
 		.name	= (char *) driver_name,
 		.owner	= THIS_MODULE,
 	},
 	.remove		= __exit_p(omap_cf_remove),
-	.suspend	= omap_cf_suspend,
-	.resume		= omap_cf_resume,
 };
 
 static int __init omap_cf_init(void)
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index b2df04199a21..c4612c52e4cb 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -256,6 +256,7 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
 {
 	struct pcmcia_socket *s;
 	config_t *c;
+	int ret;
 
 	s = p_dev->socket;
 
@@ -264,13 +265,13 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
 
 	if (!(s->state & SOCKET_PRESENT)) {
 		dev_dbg(&s->dev, "No card present\n");
-		mutex_unlock(&s->ops_mutex);
-		return -ENODEV;
+		ret = -ENODEV;
+		goto unlock;
 	}
 	if (!(c->state & CONFIG_LOCKED)) {
 		dev_dbg(&s->dev, "Configuration isnt't locked\n");
-		mutex_unlock(&s->ops_mutex);
-		return -EACCES;
+		ret = -EACCES;
+		goto unlock;
 	}
 
 	if (mod->Attributes & CONF_IRQ_CHANGE_VALID) {
@@ -286,7 +287,8 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
 
 	if (mod->Attributes & CONF_VCC_CHANGE_VALID) {
 		dev_dbg(&s->dev, "changing Vcc is not allowed at this time\n");
-		return -EINVAL;
+		ret = -EINVAL;
+		goto unlock;
 	}
 
 	/* We only allow changing Vpp1 and Vpp2 to the same value */
@@ -294,21 +296,21 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
 	    (mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
 		if (mod->Vpp1 != mod->Vpp2) {
 			dev_dbg(&s->dev, "Vpp1 and Vpp2 must be the same\n");
-			mutex_unlock(&s->ops_mutex);
-			return -EINVAL;
+			ret = -EINVAL;
+			goto unlock;
 		}
 		s->socket.Vpp = mod->Vpp1;
 		if (s->ops->set_socket(s, &s->socket)) {
-			mutex_unlock(&s->ops_mutex);
 			dev_printk(KERN_WARNING, &s->dev,
 				   "Unable to set VPP\n");
-			return -EIO;
+			ret = -EIO;
+			goto unlock;
 		}
 	} else if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) ||
 		   (mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
 		dev_dbg(&s->dev, "changing Vcc is not allowed at this time\n");
-		mutex_unlock(&s->ops_mutex);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto unlock;
 	}
 
 	if (mod->Attributes & CONF_IO_CHANGE_WIDTH) {
@@ -332,9 +334,11 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
 			s->ops->set_io_map(s, &io_on);
 		}
 	}
+	ret = 0;
+unlock:
 	mutex_unlock(&s->ops_mutex);
 
-	return 0;
+	return ret;
 } /* modify_configuration */
 EXPORT_SYMBOL(pcmcia_modify_configuration);
 
@@ -752,14 +756,6 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
 
 #ifdef CONFIG_PCMCIA_PROBE
 
-#ifdef IRQ_NOAUTOEN
-	/* if the underlying IRQ infrastructure allows for it, only allocate
-	 * the IRQ, but do not enable it
-	 */
-	if (!(req->Handler))
-		type |= IRQ_NOAUTOEN;
-#endif /* IRQ_NOAUTOEN */
-
 	if (s->irq.AssignedIRQ != 0) {
 		/* If the interrupt is already assigned, it must be the same */
 		irq = s->irq.AssignedIRQ;
diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c
index e1741cd875aa..4a34268cc512 100644
--- a/drivers/pcmcia/pd6729.c
+++ b/drivers/pcmcia/pd6729.c
@@ -14,13 +14,13 @@
 #include <linux/workqueue.h>
 #include <linux/interrupt.h>
 #include <linux/device.h>
+#include <linux/io.h>
 
 #include <pcmcia/cs_types.h>
 #include <pcmcia/ss.h>
 #include <pcmcia/cs.h>
 
 #include <asm/system.h>
-#include <asm/io.h>
 
 #include "pd6729.h"
 #include "i82365.h"
@@ -48,23 +48,13 @@ MODULE_AUTHOR("Jun Komuro <komurojun-mbn@nifty.com>");
  *     Specifies the interrupt delivery mode.  The default (1) is to use PCI
  *     interrupts; a value of 0 selects ISA interrupts. This must be set for
  *     correct operation of PCI card readers.
- *
- *  irq_list=i,j,...
- *     This list limits the set of interrupts that can be used by PCMCIA
- *     cards.
- *     The default list is 3,4,5,7,9,10,11.
- *     (irq_list parameter is not used, if irq_mode = 1)
  */
 
 static int irq_mode = 1; /* 0 = ISA interrupt, 1 = PCI interrupt */
-static int irq_list[16];
-static unsigned int irq_list_count = 0;
 
 module_param(irq_mode, int, 0444);
-module_param_array(irq_list, int, &irq_list_count, 0444);
 MODULE_PARM_DESC(irq_mode,
 		"interrupt delivery mode. 0 = ISA, 1 = PCI. default is 1");
-MODULE_PARM_DESC(irq_list, "interrupts that can be used by PCMCIA cards");
 
 static DEFINE_SPINLOCK(port_lock);
 
@@ -232,9 +222,9 @@ static irqreturn_t pd6729_interrupt(int irq, void *dev)
 						? SS_READY : 0;
 			}
 
-			if (events) {
+			if (events)
 				pcmcia_parse_events(&socket[i].socket, events);
-			}
+
 			active |= events;
 		}
 
@@ -266,9 +256,8 @@ static int pd6729_get_status(struct pcmcia_socket *sock, u_int *value)
 	status = indirect_read(socket, I365_STATUS);
 	*value = 0;
 
-	if ((status & I365_CS_DETECT) == I365_CS_DETECT) {
+	if ((status & I365_CS_DETECT) == I365_CS_DETECT)
 		*value |= SS_DETECT;
-	}
 
 	/*
 	 * IO cards have a different meaning of bits 0,1
@@ -318,7 +307,7 @@ static int pd6729_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
 	socket->card_irq = state->io_irq;
 
 	reg = 0;
- 	/* The reset bit has "inverse" logic */
+	/* The reset bit has "inverse" logic */
 	if (!(state->flags & SS_RESET))
 		reg |= I365_PC_RESET;
 	if (state->flags & SS_IOCARD)
@@ -390,7 +379,7 @@ static int pd6729_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
 		indirect_write(socket, I365_POWER, reg);
 
 	if (irq_mode == 1) {
-		 /* all interrupts are to be done as PCI interrupts */
+		/* all interrupts are to be done as PCI interrupts */
 		data = PD67_EC1_INV_MGMT_IRQ | PD67_EC1_INV_CARD_IRQ;
 	} else
 		data = 0;
@@ -401,9 +390,9 @@ static int pd6729_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
 	/* Enable specific interrupt events */
 
 	reg = 0x00;
-	if (state->csc_mask & SS_DETECT) {
+	if (state->csc_mask & SS_DETECT)
 		reg |= I365_CSC_DETECT;
-	}
+
 	if (state->flags & SS_IOCARD) {
 		if (state->csc_mask & SS_STSCHG)
 			reg |= I365_CSC_STSCHG;
@@ -460,9 +449,12 @@ static int pd6729_set_io_map(struct pcmcia_socket *sock,
 
 	ioctl = indirect_read(socket, I365_IOCTL) & ~I365_IOCTL_MASK(map);
 
-	if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
-	if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
-	if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
+	if (io->flags & MAP_0WS)
+		ioctl |= I365_IOCTL_0WS(map);
+	if (io->flags & MAP_16BIT)
+		ioctl |= I365_IOCTL_16BIT(map);
+	if (io->flags & MAP_AUTOSZ)
+		ioctl |= I365_IOCTL_IOCS16(map);
 
 	indirect_write(socket, I365_IOCTL, ioctl);
 
@@ -507,7 +499,7 @@ static int pd6729_set_mem_map(struct pcmcia_socket *sock,
 
 	/* write the stop address */
 
-	i= (mem->res->end >> 12) & 0x0fff;
+	i = (mem->res->end >> 12) & 0x0fff;
 	switch (to_cycles(mem->speed)) {
 	case 0:
 		break;
@@ -573,7 +565,7 @@ static int pd6729_init(struct pcmcia_socket *sock)
 
 /* the pccard structure and its functions */
 static struct pccard_operations pd6729_operations = {
-	.init 			= pd6729_init,
+	.init			= pd6729_init,
 	.get_status		= pd6729_get_status,
 	.set_socket		= pd6729_set_socket,
 	.set_io_map		= pd6729_set_io_map,
@@ -588,8 +580,13 @@ static irqreturn_t pd6729_test(int irq, void *dev)
 
 static int pd6729_check_irq(int irq)
 {
-	if (request_irq(irq, pd6729_test, IRQF_PROBE_SHARED, "x", pd6729_test)
-		!= 0) return -1;
+	int ret;
+
+	ret = request_irq(irq, pd6729_test, IRQF_PROBE_SHARED, "x",
+			  pd6729_test);
+	if (ret)
+		return -1;
+
 	free_irq(irq, pd6729_test);
 	return 0;
 }
@@ -601,17 +598,11 @@ static u_int __devinit pd6729_isa_scan(void)
 
 	if (irq_mode == 1) {
 		printk(KERN_INFO "pd6729: PCI card interrupts, "
-						"PCI status changes\n");
+		       "PCI status changes\n");
 		return 0;
 	}
 
-	if (irq_list_count == 0)
-		mask0 = 0xffff;
-	else
-		for (i = mask0 = 0; i < irq_list_count; i++)
-			mask0 |= (1<<irq_list[i]);
-
-	mask0 &= PD67_MASK;
+	mask0 = PD67_MASK;
 
 	/* just find interrupts that aren't in use */
 	for (i = 0; i < 16; i++)
@@ -623,9 +614,10 @@ static u_int __devinit pd6729_isa_scan(void)
 		if (mask & (1<<i))
 			printk("%s%d", ((mask & ((1<<i)-1)) ? "," : ""), i);
 
-	if (mask == 0) printk("none!");
-
-	printk("  polling status changes.\n");
+	if (mask == 0)
+		printk("none!");
+	else
+		printk("  polling status changes.\n");
 
 	return mask;
 }
@@ -640,11 +632,16 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev,
 
 	socket = kzalloc(sizeof(struct pd6729_socket) * MAX_SOCKETS,
 			 GFP_KERNEL);
-	if (!socket)
+	if (!socket) {
+		dev_warn(&dev->dev, "failed to kzalloc socket.\n");
 		return -ENOMEM;
+	}
 
-	if ((ret = pci_enable_device(dev)))
+	ret = pci_enable_device(dev);
+	if (ret) {
+		dev_warn(&dev->dev, "failed to enable pci_device.\n");
 		goto err_out_free_mem;
+	}
 
 	if (!pci_resource_start(dev, 0)) {
 		dev_warn(&dev->dev, "refusing to load the driver as the "
@@ -655,7 +652,7 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev,
 	dev_info(&dev->dev, "Cirrus PD6729 PCI to PCMCIA Bridge at 0x%llx "
 		"on irq %d\n",
 		(unsigned long long)pci_resource_start(dev, 0), dev->irq);
- 	/*
+	/*
 	 * Since we have no memory BARs some firmware may not
 	 * have had PCI_COMMAND_MEMORY enabled, yet the device needs it.
 	 */
@@ -687,6 +684,7 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev,
 		socket[i].socket.map_size = 0x1000;
 		socket[i].socket.irq_mask = mask;
 		socket[i].socket.pci_irq  = dev->irq;
+		socket[i].socket.cb_dev = dev;
 		socket[i].socket.owner = THIS_MODULE;
 
 		socket[i].number = i;
@@ -700,8 +698,9 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev,
 	pci_set_drvdata(dev, socket);
 	if (irq_mode == 1) {
 		/* Register the interrupt handler */
-		if ((ret = request_irq(dev->irq, pd6729_interrupt, IRQF_SHARED,
-							"pd6729", socket))) {
+		ret = request_irq(dev->irq, pd6729_interrupt, IRQF_SHARED,
+				  "pd6729", socket);
+		if (ret) {
 			dev_err(&dev->dev, "Failed to register irq %d\n",
 				dev->irq);
 			goto err_out_free_res;
@@ -765,18 +764,6 @@ static void __devexit pd6729_pci_remove(struct pci_dev *dev)
 	kfree(socket);
 }
 
-#ifdef CONFIG_PM
-static int pd6729_socket_suspend(struct pci_dev *dev, pm_message_t state)
-{
-	return pcmcia_socket_dev_suspend(&dev->dev);
-}
-
-static int pd6729_socket_resume(struct pci_dev *dev)
-{
-	return pcmcia_socket_dev_resume(&dev->dev);
-}
-#endif
-
 static struct pci_device_id pd6729_pci_ids[] = {
 	{
 		.vendor		= PCI_VENDOR_ID_CIRRUS,
@@ -793,10 +780,6 @@ static struct pci_driver pd6729_pci_driver = {
 	.id_table	= pd6729_pci_ids,
 	.probe		= pd6729_pci_probe,
 	.remove		= __devexit_p(pd6729_pci_remove),
-#ifdef CONFIG_PM
-	.suspend	= pd6729_socket_suspend,
-	.resume		= pd6729_socket_resume,
-#endif
 };
 
 static int pd6729_module_init(void)
diff --git a/drivers/pcmcia/pxa2xx_base.c b/drivers/pcmcia/pxa2xx_base.c
index 76e640bccde8..0a876fabfe44 100644
--- a/drivers/pcmcia/pxa2xx_base.c
+++ b/drivers/pcmcia/pxa2xx_base.c
@@ -325,19 +325,13 @@ static int pxa2xx_drv_pcmcia_remove(struct platform_device *dev)
 	return 0;
 }
 
-static int pxa2xx_drv_pcmcia_suspend(struct device *dev)
-{
-	return pcmcia_socket_dev_suspend(dev);
-}
-
 static int pxa2xx_drv_pcmcia_resume(struct device *dev)
 {
 	pxa2xx_configure_sockets(dev);
-	return pcmcia_socket_dev_resume(dev);
+	return 0;
 }
 
 static const struct dev_pm_ops pxa2xx_drv_pcmcia_pm_ops = {
-	.suspend	= pxa2xx_drv_pcmcia_suspend,
 	.resume		= pxa2xx_drv_pcmcia_resume,
 };
 
diff --git a/drivers/pcmcia/rsrc_mgr.c b/drivers/pcmcia/rsrc_mgr.c
index e6f7d410aed6..452c83b512c4 100644
--- a/drivers/pcmcia/rsrc_mgr.c
+++ b/drivers/pcmcia/rsrc_mgr.c
@@ -79,9 +79,8 @@ static resource_size_t pcmcia_align(void *align_data,
 
 #ifdef CONFIG_X86
 	if (res->flags & IORESOURCE_IO) {
-		if (start & 0x300) {
+		if (start & 0x300)
 			start = (start + 0x3ff) & ~0x3ff;
-		}
 	}
 #endif
 
diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index 4663b3fa9f96..2e47991eccf6 100644
--- a/drivers/pcmcia/rsrc_nonstatic.c
+++ b/drivers/pcmcia/rsrc_nonstatic.c
@@ -810,6 +810,13 @@ static int adjust_io(struct pcmcia_socket *s, unsigned int action, unsigned long
 	unsigned long size = end - start + 1;
 	int ret = 0;
 
+#if defined(CONFIG_X86)
+	/* on x86, avoid anything < 0x100 for it is often used for
+	 * legacy platform devices */
+	if (start < 0x100)
+		start = 0x100;
+#endif
+
 	if (end < start)
 		return -EINVAL;
 
@@ -867,10 +874,8 @@ static int nonstatic_autoadd_resources(struct pcmcia_socket *s)
 			if (res == &ioport_resource)
 				continue;
 			dev_printk(KERN_INFO, &s->cb_dev->dev,
-				   "pcmcia: parent PCI bridge I/O "
-				   "window: 0x%llx - 0x%llx\n",
-				   (unsigned long long)res->start,
-				   (unsigned long long)res->end);
+				   "pcmcia: parent PCI bridge window: %pR\n",
+				   res);
 			if (!adjust_io(s, ADD_MANAGED_RESOURCE, res->start, res->end))
 				done |= IORESOURCE_IO;
 
@@ -880,10 +885,8 @@ static int nonstatic_autoadd_resources(struct pcmcia_socket *s)
 			if (res == &iomem_resource)
 				continue;
 			dev_printk(KERN_INFO, &s->cb_dev->dev,
-				   "pcmcia: parent PCI bridge Memory "
-				   "window: 0x%llx - 0x%llx\n",
-				   (unsigned long long)res->start,
-				   (unsigned long long)res->end);
+				   "pcmcia: parent PCI bridge window: %pR\n",
+				   res);
 			if (!adjust_memory(s, ADD_MANAGED_RESOURCE, res->start, res->end))
 				done |= IORESOURCE_MEM;
 		}
diff --git a/drivers/pcmcia/sa1100_generic.c b/drivers/pcmcia/sa1100_generic.c
index 8db86b90c200..518896241429 100644
--- a/drivers/pcmcia/sa1100_generic.c
+++ b/drivers/pcmcia/sa1100_generic.c
@@ -95,17 +95,6 @@ static int sa11x0_drv_pcmcia_remove(struct platform_device *dev)
 	return 0;
 }
 
-static int sa11x0_drv_pcmcia_suspend(struct platform_device *dev,
-				     pm_message_t state)
-{
-	return pcmcia_socket_dev_suspend(&dev->dev);
-}
-
-static int sa11x0_drv_pcmcia_resume(struct platform_device *dev)
-{
-	return pcmcia_socket_dev_resume(&dev->dev);
-}
-
 static struct platform_driver sa11x0_pcmcia_driver = {
 	.driver = {
 		.name		= "sa11x0-pcmcia",
@@ -113,8 +102,6 @@ static struct platform_driver sa11x0_pcmcia_driver = {
 	},
 	.probe		= sa11x0_drv_pcmcia_probe,
 	.remove		= sa11x0_drv_pcmcia_remove,
-	.suspend 	= sa11x0_drv_pcmcia_suspend,
-	.resume 	= sa11x0_drv_pcmcia_resume,
 };
 
 /* sa11x0_pcmcia_init()
diff --git a/drivers/pcmcia/sa1111_generic.c b/drivers/pcmcia/sa1111_generic.c
index de6bc333d299..799e9793e49e 100644
--- a/drivers/pcmcia/sa1111_generic.c
+++ b/drivers/pcmcia/sa1111_generic.c
@@ -21,11 +21,18 @@
 
 #include "sa1111_generic.h"
 
+#define IDX_IRQ_S0_READY_NINT	(0)
+#define IDX_IRQ_S0_CD_VALID	(1)
+#define IDX_IRQ_S0_BVD1_STSCHG	(2)
+#define IDX_IRQ_S1_READY_NINT	(3)
+#define IDX_IRQ_S1_CD_VALID	(4)
+#define IDX_IRQ_S1_BVD1_STSCHG	(5)
+
 static struct pcmcia_irqs irqs[] = {
-	{ 0, IRQ_S0_CD_VALID,    "SA1111 PCMCIA card detect" },
-	{ 0, IRQ_S0_BVD1_STSCHG, "SA1111 PCMCIA BVD1"        },
-	{ 1, IRQ_S1_CD_VALID,    "SA1111 CF card detect"     },
-	{ 1, IRQ_S1_BVD1_STSCHG, "SA1111 CF BVD1"            },
+	{ 0, NO_IRQ, "SA1111 PCMCIA card detect" },
+	{ 0, NO_IRQ, "SA1111 PCMCIA BVD1"        },
+	{ 1, NO_IRQ, "SA1111 CF card detect"     },
+	{ 1, NO_IRQ, "SA1111 CF BVD1"            },
 };
 
 static int sa1111_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
@@ -136,7 +143,9 @@ int sa1111_pcmcia_add(struct sa1111_dev *dev, struct pcmcia_low_level *ops,
 		s->soc.ops = ops;
 		s->soc.socket.owner = ops->owner;
 		s->soc.socket.dev.parent = &dev->dev;
-		s->soc.socket.pci_irq = s->soc.nr ? IRQ_S1_READY_NINT : IRQ_S0_READY_NINT;
+		s->soc.socket.pci_irq = s->soc.nr ?
+				dev->irq[IDX_IRQ_S0_READY_NINT] :
+				dev->irq[IDX_IRQ_S1_READY_NINT];
 		s->dev = dev;
 
 		ret = add(&s->soc);
@@ -162,6 +171,12 @@ static int pcmcia_probe(struct sa1111_dev *dev)
 
 	base = dev->mapbase;
 
+	/* Initialize PCMCIA IRQs */
+	irqs[0].irq = dev->irq[IDX_IRQ_S0_CD_VALID];
+	irqs[1].irq = dev->irq[IDX_IRQ_S0_BVD1_STSCHG];
+	irqs[2].irq = dev->irq[IDX_IRQ_S1_CD_VALID];
+	irqs[3].irq = dev->irq[IDX_IRQ_S1_BVD1_STSCHG];
+
 	/*
 	 * Initialise the suspend state.
 	 */
@@ -198,16 +213,6 @@ static int __devexit pcmcia_remove(struct sa1111_dev *dev)
 	return 0;
 }
 
-static int pcmcia_suspend(struct sa1111_dev *dev, pm_message_t state)
-{
-	return pcmcia_socket_dev_suspend(&dev->dev);
-}
-
-static int pcmcia_resume(struct sa1111_dev *dev)
-{
-	return pcmcia_socket_dev_resume(&dev->dev);
-}
-
 static struct sa1111_driver pcmcia_driver = {
 	.drv = {
 		.name	= "sa1111-pcmcia",
@@ -215,8 +220,6 @@ static struct sa1111_driver pcmcia_driver = {
 	.devid		= SA1111_DEVID_PCMCIA,
 	.probe		= pcmcia_probe,
 	.remove		= __devexit_p(pcmcia_remove),
-	.suspend	= pcmcia_suspend,
-	.resume		= pcmcia_resume,
 };
 
 static int __init sa1111_drv_pcmcia_init(void)
diff --git a/drivers/pcmcia/tcic.c b/drivers/pcmcia/tcic.c
index 12c49ee135e1..bac85f3236bb 100644
--- a/drivers/pcmcia/tcic.c
+++ b/drivers/pcmcia/tcic.c
@@ -348,16 +348,6 @@ static int __init get_tcic_id(void)
     return id;
 }
 
-static int tcic_drv_pcmcia_suspend(struct platform_device *dev,
-				     pm_message_t state)
-{
-	return pcmcia_socket_dev_suspend(&dev->dev);
-}
-
-static int tcic_drv_pcmcia_resume(struct platform_device *dev)
-{
-	return pcmcia_socket_dev_resume(&dev->dev);
-}
 /*====================================================================*/
 
 static struct platform_driver tcic_driver = {
@@ -365,8 +355,6 @@ static struct platform_driver tcic_driver = {
 		.name = "tcic-pcmcia",
 		.owner		= THIS_MODULE,
 	},
-	.suspend 	= tcic_drv_pcmcia_suspend,
-	.resume 	= tcic_drv_pcmcia_resume,
 };
 
 static struct platform_device tcic_device = {
diff --git a/drivers/pcmcia/ti113x.h b/drivers/pcmcia/ti113x.h
index aaa70227bfb0..9ffa97d0b16c 100644
--- a/drivers/pcmcia/ti113x.h
+++ b/drivers/pcmcia/ti113x.h
@@ -296,7 +296,7 @@ static int ti_init(struct yenta_socket *socket)
 	u8 new, reg = exca_readb(socket, I365_INTCTL);
 
 	new = reg & ~I365_INTR_ENA;
-	if (socket->cb_irq)
+	if (socket->dev->irq)
 		new |= I365_INTR_ENA;
 	if (new != reg)
 		exca_writeb(socket, I365_INTCTL, new);
@@ -316,14 +316,47 @@ static int ti_override(struct yenta_socket *socket)
 	return 0;
 }
 
+static void ti113x_use_isa_irq(struct yenta_socket *socket)
+{
+	int isa_irq = -1;
+	u8 intctl;
+	u32 isa_irq_mask = 0;
+
+	if (!isa_probe)
+		return;
+
+	/* get a free isa int */
+	isa_irq_mask = yenta_probe_irq(socket, isa_interrupts);
+	if (!isa_irq_mask)
+		return; /* no useable isa irq found */
+
+	/* choose highest available */
+	for (; isa_irq_mask; isa_irq++)
+		isa_irq_mask >>= 1;
+	socket->cb_irq = isa_irq;
+
+	exca_writeb(socket, I365_CSCINT, (isa_irq << 4));
+
+	intctl = exca_readb(socket, I365_INTCTL);
+	intctl &= ~(I365_INTR_ENA | I365_IRQ_MASK);     /* CSC Enable */
+	exca_writeb(socket, I365_INTCTL, intctl);
+
+	dev_info(&socket->dev->dev,
+		"Yenta TI113x: using isa irq %d for CardBus\n", isa_irq);
+}
+
+
 static int ti113x_override(struct yenta_socket *socket)
 {
 	u8 cardctl;
 
 	cardctl = config_readb(socket, TI113X_CARD_CONTROL);
 	cardctl &= ~(TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_IREQ | TI113X_CCR_PCI_CSC);
-	if (socket->cb_irq)
+	if (socket->dev->irq)
 		cardctl |= TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_CSC | TI113X_CCR_PCI_IREQ;
+	else
+		ti113x_use_isa_irq(socket);
+
 	config_writeb(socket, TI113X_CARD_CONTROL, cardctl);
 
 	return ti_override(socket);
diff --git a/drivers/pcmcia/vrc4171_card.c b/drivers/pcmcia/vrc4171_card.c
index c9fcbdc164ea..86e4a1a3c642 100644
--- a/drivers/pcmcia/vrc4171_card.c
+++ b/drivers/pcmcia/vrc4171_card.c
@@ -105,6 +105,7 @@ typedef struct vrc4171_socket {
 	char name[24];
 	int csc_irq;
 	int io_irq;
+	spinlock_t lock;
 } vrc4171_socket_t;
 
 static vrc4171_socket_t vrc4171_sockets[CARD_MAX_SLOTS];
@@ -327,7 +328,7 @@ static int pccard_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
 	slot = sock->sock;
 	socket = &vrc4171_sockets[slot];
 
-	spin_lock_irq(&sock->lock);
+	spin_lock_irq(&socket->lock);
 
 	voltage = set_Vcc_value(state->Vcc);
 	exca_write_byte(slot, CARD_VOLTAGE_SELECT, voltage);
@@ -370,7 +371,7 @@ static int pccard_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
 		cscint |= I365_CSC_DETECT;
         exca_write_byte(slot, I365_CSCINT, cscint);
 
-	spin_unlock_irq(&sock->lock);
+	spin_unlock_irq(&socket->lock);
 
 	return 0;
 }
@@ -704,24 +705,11 @@ static int __devinit vrc4171_card_setup(char *options)
 
 __setup("vrc4171_card=", vrc4171_card_setup);
 
-static int vrc4171_card_suspend(struct platform_device *dev,
-				     pm_message_t state)
-{
-	return pcmcia_socket_dev_suspend(&dev->dev);
-}
-
-static int vrc4171_card_resume(struct platform_device *dev)
-{
-	return pcmcia_socket_dev_resume(&dev->dev);
-}
-
 static struct platform_driver vrc4171_card_driver = {
 	.driver = {
 		.name		= vrc4171_card_name,
 		.owner		= THIS_MODULE,
 	},
-	.suspend	= vrc4171_card_suspend,
-	.resume		= vrc4171_card_resume,
 };
 
 static int __devinit vrc4171_card_init(void)
diff --git a/drivers/pcmcia/xxs1500_ss.c b/drivers/pcmcia/xxs1500_ss.c
index 61560cd6e287..f9009d34254b 100644
--- a/drivers/pcmcia/xxs1500_ss.c
+++ b/drivers/pcmcia/xxs1500_ss.c
@@ -218,11 +218,7 @@ static int __devinit xxs1500_pcmcia_probe(struct platform_device *pdev)
 
 	ret = -ENODEV;
 
-	/*
-	 * pseudo-attr:  The 32bit address of the PCMCIA attribute space
-	 * for this socket (usually the 36bit address shifted 4 to the
-	 * right).
-	 */
+	/* 36bit PCMCIA Attribute area address */
 	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-attr");
 	if (!r) {
 		dev_err(&pdev->dev, "missing 'pcmcia-attr' resource!\n");
@@ -230,10 +226,7 @@ static int __devinit xxs1500_pcmcia_probe(struct platform_device *pdev)
 	}
 	sock->phys_attr = r->start;
 
-	/*
-	 * pseudo-mem:  The 32bit address of the PCMCIA memory space for
-	 * this socket (usually the 36bit address shifted 4 to the right)
-	 */
+	/* 36bit PCMCIA Memory area address */
 	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-mem");
 	if (!r) {
 		dev_err(&pdev->dev, "missing 'pcmcia-mem' resource!\n");
@@ -241,10 +234,7 @@ static int __devinit xxs1500_pcmcia_probe(struct platform_device *pdev)
 	}
 	sock->phys_mem = r->start;
 
-	/*
-	 * pseudo-io:  The 32bit address of the PCMCIA IO space for this
-	 * socket (usually the 36bit address shifted 4 to the right).
-	 */
+	/* 36bit PCMCIA IO area address */
 	r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pcmcia-io");
 	if (!r) {
 		dev_err(&pdev->dev, "missing 'pcmcia-io' resource!\n");
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index b85375f87622..f19ad02374d9 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -42,6 +42,18 @@ module_param_string(o2_speedup, o2_speedup, sizeof(o2_speedup), 0444);
 MODULE_PARM_DESC(o2_speedup, "Use prefetch/burst for O2-bridges: 'on', 'off' "
 	"or 'default' (uses recommended behaviour for the detected bridge)");
 
+/*
+ * Only probe "regular" interrupts, don't
+ * touch dangerous spots like the mouse irq,
+ * because there are mice that apparently
+ * get really confused if they get fondled
+ * too intimately.
+ *
+ * Default to 11, 10, 9, 7, 6, 5, 4, 3.
+ */
+static u32 isa_interrupts = 0x0ef8;
+
+
 #define debug(x, s, args...) dev_dbg(&s->dev->dev, x, ##args)
 
 /* Don't ask.. */
@@ -54,6 +66,8 @@ MODULE_PARM_DESC(o2_speedup, "Use prefetch/burst for O2-bridges: 'on', 'off' "
  */
 #ifdef CONFIG_YENTA_TI
 static int yenta_probe_cb_irq(struct yenta_socket *socket);
+static unsigned int yenta_probe_irq(struct yenta_socket *socket,
+				u32 isa_irq_mask);
 #endif
 
 
@@ -329,8 +343,8 @@ static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
 		/* ISA interrupt control? */
 		intr = exca_readb(socket, I365_INTCTL);
 		intr = (intr & ~0xf);
-		if (!socket->cb_irq) {
-			intr |= state->io_irq;
+		if (!socket->dev->irq) {
+			intr |= socket->cb_irq ? socket->cb_irq : state->io_irq;
 			bridge |= CB_BRIDGE_INTR;
 		}
 		exca_writeb(socket, I365_INTCTL, intr);
@@ -340,7 +354,7 @@ static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
 		reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
 		reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
 		reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
-		if (state->io_irq != socket->cb_irq) {
+		if (state->io_irq != socket->dev->irq) {
 			reg |= state->io_irq;
 			bridge |= CB_BRIDGE_INTR;
 		}
@@ -356,7 +370,9 @@ static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
 			exca_writeb(socket, I365_POWER, reg);
 
 		/* CSC interrupt: no ISA irq for CSC */
-		reg = I365_CSC_DETECT;
+		reg = exca_readb(socket, I365_CSCINT);
+		reg &= I365_CSC_IRQ_MASK;
+		reg |= I365_CSC_DETECT;
 		if (state->flags & SS_IOCARD) {
 			if (state->csc_mask & SS_STSCHG)
 				reg |= I365_CSC_STSCHG;
@@ -896,22 +912,12 @@ static struct cardbus_type cardbus_type[] = {
 };
 
 
-/*
- * Only probe "regular" interrupts, don't
- * touch dangerous spots like the mouse irq,
- * because there are mice that apparently
- * get really confused if they get fondled
- * too intimately.
- *
- * Default to 11, 10, 9, 7, 6, 5, 4, 3.
- */
-static u32 isa_interrupts = 0x0ef8;
-
 static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
 {
 	int i;
 	unsigned long val;
 	u32 mask;
+	u8 reg;
 
 	/*
 	 * Probe for usable interrupts using the force
@@ -919,6 +925,7 @@ static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mas
 	 */
 	cb_writel(socket, CB_SOCKET_EVENT, -1);
 	cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
+	reg = exca_readb(socket, I365_CSCINT);
 	exca_writeb(socket, I365_CSCINT, 0);
 	val = probe_irq_on() & isa_irq_mask;
 	for (i = 1; i < 16; i++) {
@@ -930,7 +937,7 @@ static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mas
 		cb_writel(socket, CB_SOCKET_EVENT, -1);
 	}
 	cb_writel(socket, CB_SOCKET_MASK, 0);
-	exca_writeb(socket, I365_CSCINT, 0);
+	exca_writeb(socket, I365_CSCINT, reg);
 
 	mask = probe_irq_mask(val) & 0xffff;
 
@@ -967,6 +974,8 @@ static irqreturn_t yenta_probe_handler(int irq, void *dev_id)
 /* probes the PCI interrupt, use only on override functions */
 static int yenta_probe_cb_irq(struct yenta_socket *socket)
 {
+	u8 reg;
+
 	if (!socket->cb_irq)
 		return -1;
 
@@ -979,7 +988,8 @@ static int yenta_probe_cb_irq(struct yenta_socket *socket)
 	}
 
 	/* generate interrupt, wait */
-	exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG);
+	reg = exca_readb(socket, I365_CSCINT);
+	exca_writeb(socket, I365_CSCINT, reg | I365_CSC_STSCHG);
 	cb_writel(socket, CB_SOCKET_EVENT, -1);
 	cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
 	cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
@@ -988,7 +998,7 @@ static int yenta_probe_cb_irq(struct yenta_socket *socket)
 
 	/* disable interrupts */
 	cb_writel(socket, CB_SOCKET_MASK, 0);
-	exca_writeb(socket, I365_CSCINT, 0);
+	exca_writeb(socket, I365_CSCINT, reg);
 	cb_writel(socket, CB_SOCKET_EVENT, -1);
 	exca_readb(socket, I365_CSC);
 
@@ -1280,12 +1290,9 @@ static int yenta_dev_suspend_noirq(struct device *dev)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct yenta_socket *socket = pci_get_drvdata(pdev);
-	int ret;
-
-	ret = pcmcia_socket_dev_suspend(dev);
 
 	if (!socket)
-		return ret;
+		return 0;
 
 	if (socket->type && socket->type->save_state)
 		socket->type->save_state(socket);
@@ -1302,7 +1309,7 @@ static int yenta_dev_suspend_noirq(struct device *dev)
 	 */
 	/* pci_set_power_state(dev, 3); */
 
-	return ret;
+	return 0;
 }
 
 static int yenta_dev_resume_noirq(struct device *dev)
@@ -1326,26 +1333,16 @@ static int yenta_dev_resume_noirq(struct device *dev)
 	if (socket->type && socket->type->restore_state)
 		socket->type->restore_state(socket);
 
-	pcmcia_socket_dev_early_resume(dev);
-	return 0;
-}
-
-static int yenta_dev_resume(struct device *dev)
-{
-	pcmcia_socket_dev_late_resume(dev);
 	return 0;
 }
 
 static const struct dev_pm_ops yenta_pm_ops = {
 	.suspend_noirq = yenta_dev_suspend_noirq,
 	.resume_noirq = yenta_dev_resume_noirq,
-	.resume = yenta_dev_resume,
 	.freeze_noirq = yenta_dev_suspend_noirq,
 	.thaw_noirq = yenta_dev_resume_noirq,
-	.thaw = yenta_dev_resume,
 	.poweroff_noirq = yenta_dev_suspend_noirq,
 	.restore_noirq = yenta_dev_resume_noirq,
-	.restore = yenta_dev_resume,
 };
 
 #define YENTA_PM_OPS	(&yenta_pm_ops)
@@ -1408,10 +1405,10 @@ static struct pci_device_id yenta_table[] = {
 	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX),
 	CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX),
 
-	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, TI12XX),
-	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, TI12XX),
-	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, TI12XX),
-	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, TI12XX),
+	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, ENE),
+	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, ENE),
+	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, ENE),
+	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, ENE),
 	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE),
 	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE),
 	CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE),
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 6848f213eb53..7bec4588c268 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -59,6 +59,8 @@ config ASUS_LAPTOP
 	select NEW_LEDS
 	select BACKLIGHT_CLASS_DEVICE
 	depends on INPUT
+	depends on RFKILL || RFKILL = n
+	select INPUT_SPARSEKMAP
 	---help---
 	  This is the new Linux driver for Asus laptops. It may also support some
 	  MEDION, JVC or VICTOR laptops. It makes all the extra buttons generate
@@ -148,6 +150,7 @@ config MSI_LAPTOP
 	tristate "MSI Laptop Extras"
 	depends on ACPI
 	depends on BACKLIGHT_CLASS_DEVICE
+	depends on RFKILL
 	---help---
 	  This is a driver for laptops built by MSI (MICRO-STAR
 	  INTERNATIONAL):
@@ -177,6 +180,7 @@ config COMPAL_LAPTOP
 	tristate "Compal Laptop Extras"
 	depends on ACPI
 	depends on BACKLIGHT_CLASS_DEVICE
+	depends on RFKILL
 	---help---
 	  This is a driver for laptops built by Compal:
 
@@ -320,9 +324,15 @@ config THINKPAD_ACPI_VIDEO
 	  server running, phase of the moon, and the current mood of
 	  Schroedinger's cat.  If you can use X.org's RandR to control
 	  your ThinkPad's video output ports instead of this feature,
-	  don't think twice: do it and say N here to save some memory.
+	  don't think twice: do it and say N here to save memory and avoid
+	  bad interactions with X.org.
+
+	  NOTE: access to this feature is limited to processes with the
+	  CAP_SYS_ADMIN capability, to avoid local DoS issues in platforms
+	  where it interacts badly with X.org.
 
-	  If you are not sure, say Y here.
+	  If you are not sure, say Y here but do try to check if you could
+	  be using X.org RandR instead.
 
 config THINKPAD_ACPI_HOTKEY_POLL
 	bool "Support NVRAM polling for hot keys"
@@ -375,6 +385,16 @@ config EEEPC_LAPTOP
 
 	  If you have an Eee PC laptop, say Y or M here.
 
+config EEEPC_WMI
+	tristate "Eee PC WMI Hotkey Driver (EXPERIMENTAL)"
+	depends on ACPI_WMI
+	depends on INPUT
+	depends on EXPERIMENTAL
+	---help---
+	  Say Y here if you want to support WMI-based hotkeys on Eee PC laptops.
+
+	  To compile this driver as a module, choose M here: the module will
+	  be called eeepc-wmi.
 
 config ACPI_WMI
 	tristate "WMI"
diff --git a/drivers/platform/x86/Makefile b/drivers/platform/x86/Makefile
index 9cd9fa0a27e6..a906490e3530 100644
--- a/drivers/platform/x86/Makefile
+++ b/drivers/platform/x86/Makefile
@@ -4,6 +4,7 @@
 #
 obj-$(CONFIG_ASUS_LAPTOP)	+= asus-laptop.o
 obj-$(CONFIG_EEEPC_LAPTOP)	+= eeepc-laptop.o
+obj-$(CONFIG_EEEPC_WMI)		+= eeepc-wmi.o
 obj-$(CONFIG_MSI_LAPTOP)	+= msi-laptop.o
 obj-$(CONFIG_ACPI_CMPC)		+= classmate-laptop.o
 obj-$(CONFIG_COMPAL_LAPTOP)	+= compal-laptop.o
diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c
index 226b3e93498c..cbca40aa4006 100644
--- a/drivers/platform/x86/acer-wmi.c
+++ b/drivers/platform/x86/acer-wmi.c
@@ -922,9 +922,13 @@ static struct backlight_ops acer_bl_ops = {
 
 static int __devinit acer_backlight_init(struct device *dev)
 {
+	struct backlight_properties props;
 	struct backlight_device *bd;
 
-	bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = max_brightness;
+	bd = backlight_device_register("acer-wmi", dev, NULL, &acer_bl_ops,
+				       &props);
 	if (IS_ERR(bd)) {
 		printk(ACER_ERR "Could not register Acer backlight device\n");
 		acer_backlight_device = NULL;
@@ -935,7 +939,6 @@ static int __devinit acer_backlight_init(struct device *dev)
 
 	bd->props.power = FB_BLANK_UNBLANK;
 	bd->props.brightness = read_brightness(bd);
-	bd->props.max_brightness = max_brightness;
 	backlight_update_status(bd);
 	return 0;
 }
diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c
index 61a1c7503658..475ab50732ab 100644
--- a/drivers/platform/x86/asus-laptop.c
+++ b/drivers/platform/x86/asus-laptop.c
@@ -45,58 +45,23 @@
 #include <linux/fb.h>
 #include <linux/leds.h>
 #include <linux/platform_device.h>
+#include <linux/uaccess.h>
+#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
+#include <linux/rfkill.h>
 #include <acpi/acpi_drivers.h>
 #include <acpi/acpi_bus.h>
-#include <asm/uaccess.h>
-#include <linux/input.h>
-
-#define ASUS_LAPTOP_VERSION "0.42"
-
-#define ASUS_HOTK_NAME          "Asus Laptop Support"
-#define ASUS_HOTK_CLASS         "hotkey"
-#define ASUS_HOTK_DEVICE_NAME   "Hotkey"
-#define ASUS_HOTK_FILE          KBUILD_MODNAME
-#define ASUS_HOTK_PREFIX        "\\_SB.ATKD."
 
+#define ASUS_LAPTOP_VERSION	"0.42"
 
-/*
- * Some events we use, same for all Asus
- */
-#define ATKD_BR_UP       0x10
-#define ATKD_BR_DOWN     0x20
-#define ATKD_LCD_ON      0x33
-#define ATKD_LCD_OFF     0x34
-
-/*
- * Known bits returned by \_SB.ATKD.HWRS
- */
-#define WL_HWRS     0x80
-#define BT_HWRS     0x100
-
-/*
- * Flags for hotk status
- * WL_ON and BT_ON are also used for wireless_status()
- */
-#define WL_ON       0x01	/* internal Wifi */
-#define BT_ON       0x02	/* internal Bluetooth */
-#define MLED_ON     0x04	/* mail LED */
-#define TLED_ON     0x08	/* touchpad LED */
-#define RLED_ON     0x10	/* Record LED */
-#define PLED_ON     0x20	/* Phone LED */
-#define GLED_ON     0x40	/* Gaming LED */
-#define LCD_ON      0x80	/* LCD backlight */
-#define GPS_ON      0x100	/* GPS */
-#define KEY_ON      0x200	/* Keyboard backlight */
-
-#define ASUS_LOG    ASUS_HOTK_FILE ": "
-#define ASUS_ERR    KERN_ERR    ASUS_LOG
-#define ASUS_WARNING    KERN_WARNING    ASUS_LOG
-#define ASUS_NOTICE KERN_NOTICE ASUS_LOG
-#define ASUS_INFO   KERN_INFO   ASUS_LOG
-#define ASUS_DEBUG  KERN_DEBUG  ASUS_LOG
+#define ASUS_LAPTOP_NAME	"Asus Laptop Support"
+#define ASUS_LAPTOP_CLASS	"hotkey"
+#define ASUS_LAPTOP_DEVICE_NAME	"Hotkey"
+#define ASUS_LAPTOP_FILE	KBUILD_MODNAME
+#define ASUS_LAPTOP_PREFIX	"\\_SB.ATKD."
 
 MODULE_AUTHOR("Julien Lerouge, Karol Kozimor, Corentin Chary");
-MODULE_DESCRIPTION(ASUS_HOTK_NAME);
+MODULE_DESCRIPTION(ASUS_LAPTOP_NAME);
 MODULE_LICENSE("GPL");
 
 /*
@@ -113,225 +78,209 @@ static uint wapf = 1;
 module_param(wapf, uint, 0644);
 MODULE_PARM_DESC(wapf, "WAPF value");
 
-#define ASUS_HANDLE(object, paths...)					\
-	static acpi_handle  object##_handle = NULL;			\
-	static char *object##_paths[] = { paths }
+static uint wlan_status = 1;
+static uint bluetooth_status = 1;
+
+module_param(wlan_status, uint, 0644);
+MODULE_PARM_DESC(wlan_status, "Set the wireless status on boot "
+		 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
+		 "default is 1");
+
+module_param(bluetooth_status, uint, 0644);
+MODULE_PARM_DESC(bluetooth_status, "Set the wireless status on boot "
+		 "(0 = disabled, 1 = enabled, -1 = don't do anything). "
+		 "default is 1");
+
+/*
+ * Some events we use, same for all Asus
+ */
+#define ATKD_BR_UP	0x10	/* (event & ~ATKD_BR_UP) = brightness level */
+#define ATKD_BR_DOWN	0x20	/* (event & ~ATKD_BR_DOWN) = britghness level */
+#define ATKD_BR_MIN	ATKD_BR_UP
+#define ATKD_BR_MAX	(ATKD_BR_DOWN | 0xF)	/* 0x2f */
+#define ATKD_LCD_ON	0x33
+#define ATKD_LCD_OFF	0x34
+
+/*
+ * Known bits returned by \_SB.ATKD.HWRS
+ */
+#define WL_HWRS		0x80
+#define BT_HWRS		0x100
+
+/*
+ * Flags for hotk status
+ * WL_ON and BT_ON are also used for wireless_status()
+ */
+#define WL_RSTS		0x01	/* internal Wifi */
+#define BT_RSTS		0x02	/* internal Bluetooth */
 
 /* LED */
-ASUS_HANDLE(mled_set, ASUS_HOTK_PREFIX "MLED");
-ASUS_HANDLE(tled_set, ASUS_HOTK_PREFIX "TLED");
-ASUS_HANDLE(rled_set, ASUS_HOTK_PREFIX "RLED");	/* W1JC */
-ASUS_HANDLE(pled_set, ASUS_HOTK_PREFIX "PLED");	/* A7J */
-ASUS_HANDLE(gled_set, ASUS_HOTK_PREFIX "GLED");	/* G1, G2 (probably) */
+#define METHOD_MLED		"MLED"
+#define METHOD_TLED		"TLED"
+#define METHOD_RLED		"RLED"	/* W1JC */
+#define METHOD_PLED		"PLED"	/* A7J */
+#define METHOD_GLED		"GLED"	/* G1, G2 (probably) */
 
 /* LEDD */
-ASUS_HANDLE(ledd_set, ASUS_HOTK_PREFIX "SLCM");
+#define METHOD_LEDD		"SLCM"
 
 /*
  * Bluetooth and WLAN
  * WLED and BLED are not handled like other XLED, because in some dsdt
  * they also control the WLAN/Bluetooth device.
  */
-ASUS_HANDLE(wl_switch, ASUS_HOTK_PREFIX "WLED");
-ASUS_HANDLE(bt_switch, ASUS_HOTK_PREFIX "BLED");
-ASUS_HANDLE(wireless_status, ASUS_HOTK_PREFIX "RSTS");	/* All new models */
+#define METHOD_WLAN		"WLED"
+#define METHOD_BLUETOOTH	"BLED"
+#define METHOD_WL_STATUS	"RSTS"
 
 /* Brightness */
-ASUS_HANDLE(brightness_set, ASUS_HOTK_PREFIX "SPLV");
-ASUS_HANDLE(brightness_get, ASUS_HOTK_PREFIX "GPLV");
+#define METHOD_BRIGHTNESS_SET	"SPLV"
+#define METHOD_BRIGHTNESS_GET	"GPLV"
 
 /* Backlight */
-ASUS_HANDLE(lcd_switch, "\\_SB.PCI0.SBRG.EC0._Q10",	/* All new models */
-	    "\\_SB.PCI0.ISA.EC0._Q10",	/* A1x */
-	    "\\_SB.PCI0.PX40.ECD0._Q10",	/* L3C */
-	    "\\_SB.PCI0.PX40.EC0.Q10",	/* M1A */
-	    "\\_SB.PCI0.LPCB.EC0._Q10",	/* P30 */
-	    "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */
-	    "\\_SB.PCI0.PX40.Q10",	/* S1x */
-	    "\\Q10");		/* A2x, L2D, L3D, M2E */
+static acpi_handle lcd_switch_handle;
+static char *lcd_switch_paths[] = {
+  "\\_SB.PCI0.SBRG.EC0._Q10",	/* All new models */
+  "\\_SB.PCI0.ISA.EC0._Q10",	/* A1x */
+  "\\_SB.PCI0.PX40.ECD0._Q10",	/* L3C */
+  "\\_SB.PCI0.PX40.EC0.Q10",	/* M1A */
+  "\\_SB.PCI0.LPCB.EC0._Q10",	/* P30 */
+  "\\_SB.PCI0.LPCB.EC0._Q0E", /* P30/P35 */
+  "\\_SB.PCI0.PX40.Q10",	/* S1x */
+  "\\Q10"};		/* A2x, L2D, L3D, M2E */
 
 /* Display */
-ASUS_HANDLE(display_set, ASUS_HOTK_PREFIX "SDSP");
-ASUS_HANDLE(display_get,
-	    /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */
-	    "\\_SB.PCI0.P0P1.VGA.GETD",
-	    /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */
-	    "\\_SB.PCI0.P0P2.VGA.GETD",
-	    /* A6V A6Q */
-	    "\\_SB.PCI0.P0P3.VGA.GETD",
-	    /* A6T, A6M */
-	    "\\_SB.PCI0.P0PA.VGA.GETD",
-	    /* L3C */
-	    "\\_SB.PCI0.PCI1.VGAC.NMAP",
-	    /* Z96F */
-	    "\\_SB.PCI0.VGA.GETD",
-	    /* A2D */
-	    "\\ACTD",
-	    /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */
-	    "\\ADVG",
-	    /* P30 */
-	    "\\DNXT",
-	    /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */
-	    "\\INFB",
-	    /* A3F A6F A3N A3L M6N W3N W6A */
-	    "\\SSTE");
-
-ASUS_HANDLE(ls_switch, ASUS_HOTK_PREFIX "ALSC"); /* Z71A Z71V */
-ASUS_HANDLE(ls_level, ASUS_HOTK_PREFIX "ALSL");	 /* Z71A Z71V */
+#define METHOD_SWITCH_DISPLAY	"SDSP"
+
+static acpi_handle display_get_handle;
+static char *display_get_paths[] = {
+  /* A6B, A6K A6R A7D F3JM L4R M6R A3G M6A M6V VX-1 V6J V6V W3Z */
+  "\\_SB.PCI0.P0P1.VGA.GETD",
+  /* A3E A4K, A4D A4L A6J A7J A8J Z71V M9V S5A M5A z33A W1Jc W2V G1 */
+  "\\_SB.PCI0.P0P2.VGA.GETD",
+  /* A6V A6Q */
+  "\\_SB.PCI0.P0P3.VGA.GETD",
+  /* A6T, A6M */
+  "\\_SB.PCI0.P0PA.VGA.GETD",
+  /* L3C */
+  "\\_SB.PCI0.PCI1.VGAC.NMAP",
+  /* Z96F */
+  "\\_SB.PCI0.VGA.GETD",
+  /* A2D */
+  "\\ACTD",
+  /* A4G Z71A W1N W5A W5F M2N M3N M5N M6N S1N S5N */
+  "\\ADVG",
+  /* P30 */
+  "\\DNXT",
+  /* A2H D1 L2D L3D L3H L2E L5D L5C M1A M2E L4L W3V */
+  "\\INFB",
+  /* A3F A6F A3N A3L M6N W3N W6A */
+  "\\SSTE"};
+
+#define METHOD_ALS_CONTROL	"ALSC" /* Z71A Z71V */
+#define METHOD_ALS_LEVEL	"ALSL" /* Z71A Z71V */
 
 /* GPS */
 /* R2H use different handle for GPS on/off */
-ASUS_HANDLE(gps_on, ASUS_HOTK_PREFIX "SDON");	/* R2H */
-ASUS_HANDLE(gps_off, ASUS_HOTK_PREFIX "SDOF");	/* R2H */
-ASUS_HANDLE(gps_status, ASUS_HOTK_PREFIX "GPST");
+#define METHOD_GPS_ON		"SDON"
+#define METHOD_GPS_OFF		"SDOF"
+#define METHOD_GPS_STATUS	"GPST"
 
 /* Keyboard light */
-ASUS_HANDLE(kled_set, ASUS_HOTK_PREFIX "SLKB");
-ASUS_HANDLE(kled_get, ASUS_HOTK_PREFIX "GLKB");
+#define METHOD_KBD_LIGHT_SET	"SLKB"
+#define METHOD_KBD_LIGHT_GET	"GLKB"
 
 /*
- * This is the main structure, we can use it to store anything interesting
- * about the hotk device
+ * Define a specific led structure to keep the main structure clean
  */
-struct asus_hotk {
-	char *name;		/* laptop name */
-	struct acpi_device *device;	/* the device we are in */
-	acpi_handle handle;	/* the handle of the hotk device */
-	char status;		/* status of the hotk, for LEDs, ... */
-	u32 ledd_status;	/* status of the LED display */
-	u8 light_level;		/* light sensor level */
-	u8 light_switch;	/* light sensor switch value */
-	u16 event_count[128];	/* count for each event TODO make this better */
-	struct input_dev *inputdev;
-	u16 *keycode_map;
+struct asus_led {
+	int wk;
+	struct work_struct work;
+	struct led_classdev led;
+	struct asus_laptop *asus;
+	const char *method;
 };
 
 /*
- * This header is made available to allow proper configuration given model,
- * revision number , ... this info cannot go in struct asus_hotk because it is
- * available before the hotk
- */
-static struct acpi_table_header *asus_info;
-
-/* The actual device the driver binds to */
-static struct asus_hotk *hotk;
-
-/*
- * The hotkey driver declaration
+ * This is the main structure, we can use it to store anything interesting
+ * about the hotk device
  */
-static const struct acpi_device_id asus_device_ids[] = {
-	{"ATK0100", 0},
-	{"ATK0101", 0},
-	{"", 0},
-};
-MODULE_DEVICE_TABLE(acpi, asus_device_ids);
+struct asus_laptop {
+	char *name;		/* laptop name */
 
-static int asus_hotk_add(struct acpi_device *device);
-static int asus_hotk_remove(struct acpi_device *device, int type);
-static void asus_hotk_notify(struct acpi_device *device, u32 event);
+	struct acpi_table_header *dsdt_info;
+	struct platform_device *platform_device;
+	struct acpi_device *device;		/* the device we are in */
+	struct backlight_device *backlight_device;
 
-static struct acpi_driver asus_hotk_driver = {
-	.name = ASUS_HOTK_NAME,
-	.class = ASUS_HOTK_CLASS,
-	.owner = THIS_MODULE,
-	.ids = asus_device_ids,
-	.flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
-	.ops = {
-		.add = asus_hotk_add,
-		.remove = asus_hotk_remove,
-		.notify = asus_hotk_notify,
-		},
-};
+	struct input_dev *inputdev;
+	struct key_entry *keymap;
 
-/* The backlight device /sys/class/backlight */
-static struct backlight_device *asus_backlight_device;
+	struct asus_led mled;
+	struct asus_led tled;
+	struct asus_led rled;
+	struct asus_led pled;
+	struct asus_led gled;
+	struct asus_led kled;
+	struct workqueue_struct *led_workqueue;
 
-/*
- * The backlight class declaration
- */
-static int read_brightness(struct backlight_device *bd);
-static int update_bl_status(struct backlight_device *bd);
-static struct backlight_ops asusbl_ops = {
-	.get_brightness = read_brightness,
-	.update_status = update_bl_status,
-};
+	int wireless_status;
+	bool have_rsts;
+	int lcd_state;
 
-/*
- * These functions actually update the LED's, and are called from a
- * workqueue. By doing this as separate work rather than when the LED
- * subsystem asks, we avoid messing with the Asus ACPI stuff during a
- * potentially bad time, such as a timer interrupt.
- */
-static struct workqueue_struct *led_workqueue;
-
-#define ASUS_LED(object, ledname, max)					\
-	static void object##_led_set(struct led_classdev *led_cdev,	\
-				     enum led_brightness value);	\
-	static enum led_brightness object##_led_get(			\
-		struct led_classdev *led_cdev);				\
-	static void object##_led_update(struct work_struct *ignored);	\
-	static int object##_led_wk;					\
-	static DECLARE_WORK(object##_led_work, object##_led_update);	\
-	static struct led_classdev object##_led = {			\
-		.name           = "asus::" ledname,			\
-		.brightness_set = object##_led_set,			\
-		.brightness_get = object##_led_get,			\
-		.max_brightness = max					\
-	}
+	struct rfkill *gps_rfkill;
 
-ASUS_LED(mled, "mail", 1);
-ASUS_LED(tled, "touchpad", 1);
-ASUS_LED(rled, "record", 1);
-ASUS_LED(pled, "phone", 1);
-ASUS_LED(gled, "gaming", 1);
-ASUS_LED(kled, "kbd_backlight", 3);
-
-struct key_entry {
-	char type;
-	u8 code;
-	u16 keycode;
+	acpi_handle handle;	/* the handle of the hotk device */
+	u32 ledd_status;	/* status of the LED display */
+	u8 light_level;		/* light sensor level */
+	u8 light_switch;	/* light sensor switch value */
+	u16 event_count[128];	/* count for each event TODO make this better */
+	u16 *keycode_map;
 };
 
-enum { KE_KEY, KE_END };
-
-static struct key_entry asus_keymap[] = {
-	{KE_KEY, 0x02, KEY_SCREENLOCK},
-	{KE_KEY, 0x05, KEY_WLAN},
-	{KE_KEY, 0x08, KEY_F13},
-	{KE_KEY, 0x17, KEY_ZOOM},
-	{KE_KEY, 0x1f, KEY_BATTERY},
-	{KE_KEY, 0x30, KEY_VOLUMEUP},
-	{KE_KEY, 0x31, KEY_VOLUMEDOWN},
-	{KE_KEY, 0x32, KEY_MUTE},
-	{KE_KEY, 0x33, KEY_SWITCHVIDEOMODE},
-	{KE_KEY, 0x34, KEY_SWITCHVIDEOMODE},
-	{KE_KEY, 0x40, KEY_PREVIOUSSONG},
-	{KE_KEY, 0x41, KEY_NEXTSONG},
-	{KE_KEY, 0x43, KEY_STOPCD},
-	{KE_KEY, 0x45, KEY_PLAYPAUSE},
-	{KE_KEY, 0x4c, KEY_MEDIA},
-	{KE_KEY, 0x50, KEY_EMAIL},
-	{KE_KEY, 0x51, KEY_WWW},
-	{KE_KEY, 0x55, KEY_CALC},
-	{KE_KEY, 0x5C, KEY_SCREENLOCK},  /* Screenlock */
-	{KE_KEY, 0x5D, KEY_WLAN},
-	{KE_KEY, 0x5E, KEY_WLAN},
-	{KE_KEY, 0x5F, KEY_WLAN},
-	{KE_KEY, 0x60, KEY_SWITCHVIDEOMODE},
-	{KE_KEY, 0x61, KEY_SWITCHVIDEOMODE},
-	{KE_KEY, 0x62, KEY_SWITCHVIDEOMODE},
-	{KE_KEY, 0x63, KEY_SWITCHVIDEOMODE},
-	{KE_KEY, 0x6B, KEY_F13}, /* Lock Touchpad */
-	{KE_KEY, 0x82, KEY_CAMERA},
-	{KE_KEY, 0x88, KEY_WLAN },
-	{KE_KEY, 0x8A, KEY_PROG1},
-	{KE_KEY, 0x95, KEY_MEDIA},
-	{KE_KEY, 0x99, KEY_PHONE},
-	{KE_KEY, 0xc4, KEY_KBDILLUMUP},
-	{KE_KEY, 0xc5, KEY_KBDILLUMDOWN},
+static const struct key_entry asus_keymap[] = {
+	/* Lenovo SL Specific keycodes */
+	{KE_KEY, 0x02, { KEY_SCREENLOCK } },
+	{KE_KEY, 0x05, { KEY_WLAN } },
+	{KE_KEY, 0x08, { KEY_F13 } },
+	{KE_KEY, 0x17, { KEY_ZOOM } },
+	{KE_KEY, 0x1f, { KEY_BATTERY } },
+	/* End of Lenovo SL Specific keycodes */
+	{KE_KEY, 0x30, { KEY_VOLUMEUP } },
+	{KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
+	{KE_KEY, 0x32, { KEY_MUTE } },
+	{KE_KEY, 0x33, { KEY_SWITCHVIDEOMODE } },
+	{KE_KEY, 0x34, { KEY_SWITCHVIDEOMODE } },
+	{KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
+	{KE_KEY, 0x41, { KEY_NEXTSONG } },
+	{KE_KEY, 0x43, { KEY_STOPCD } },
+	{KE_KEY, 0x45, { KEY_PLAYPAUSE } },
+	{KE_KEY, 0x4c, { KEY_MEDIA } },
+	{KE_KEY, 0x50, { KEY_EMAIL } },
+	{KE_KEY, 0x51, { KEY_WWW } },
+	{KE_KEY, 0x55, { KEY_CALC } },
+	{KE_KEY, 0x5C, { KEY_SCREENLOCK } },  /* Screenlock */
+	{KE_KEY, 0x5D, { KEY_WLAN } },
+	{KE_KEY, 0x5E, { KEY_WLAN } },
+	{KE_KEY, 0x5F, { KEY_WLAN } },
+	{KE_KEY, 0x60, { KEY_SWITCHVIDEOMODE } },
+	{KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } },
+	{KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } },
+	{KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } },
+	{KE_KEY, 0x6B, { KEY_F13 } }, /* Lock Touchpad */
+	{KE_KEY, 0x7E, { KEY_BLUETOOTH } },
+	{KE_KEY, 0x7D, { KEY_BLUETOOTH } },
+	{KE_KEY, 0x82, { KEY_CAMERA } },
+	{KE_KEY, 0x88, { KEY_WLAN  } },
+	{KE_KEY, 0x8A, { KEY_PROG1 } },
+	{KE_KEY, 0x95, { KEY_MEDIA } },
+	{KE_KEY, 0x99, { KEY_PHONE } },
+	{KE_KEY, 0xc4, { KEY_KBDILLUMUP } },
+	{KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } },
 	{KE_END, 0},
 };
 
+
 /*
  * This function evaluates an ACPI method, given an int as parameter, the
  * method is searched within the scope of the handle, can be NULL. The output
@@ -339,8 +288,8 @@ static struct key_entry asus_keymap[] = {
  *
  * returns 0 if write is successful, -1 else.
  */
-static int write_acpi_int(acpi_handle handle, const char *method, int val,
-			  struct acpi_buffer *output)
+static int write_acpi_int_ret(acpi_handle handle, const char *method, int val,
+			      struct acpi_buffer *output)
 {
 	struct acpi_object_list params;	/* list of input parameters (an int) */
 	union acpi_object in_obj;	/* the only param we use */
@@ -361,102 +310,82 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val,
 		return -1;
 }
 
-static int read_wireless_status(int mask)
+static int write_acpi_int(acpi_handle handle, const char *method, int val)
 {
-	unsigned long long status;
-	acpi_status rv = AE_OK;
+	return write_acpi_int_ret(handle, method, val, NULL);
+}
 
-	if (!wireless_status_handle)
-		return (hotk->status & mask) ? 1 : 0;
+static int acpi_check_handle(acpi_handle handle, const char *method,
+			     acpi_handle *ret)
+{
+	acpi_status status;
 
-	rv = acpi_evaluate_integer(wireless_status_handle, NULL, NULL, &status);
-	if (ACPI_FAILURE(rv))
-		pr_warning("Error reading Wireless status\n");
-	else
-		return (status & mask) ? 1 : 0;
+	if (method == NULL)
+		return -ENODEV;
+
+	if (ret)
+		status = acpi_get_handle(handle, (char *)method,
+					 ret);
+	else {
+		acpi_handle dummy;
 
-	return (hotk->status & mask) ? 1 : 0;
+		status = acpi_get_handle(handle, (char *)method,
+					 &dummy);
+	}
+
+	if (status != AE_OK) {
+		if (ret)
+			pr_warning("Error finding %s\n", method);
+		return -ENODEV;
+	}
+	return 0;
 }
 
-static int read_gps_status(void)
+/* Generic LED function */
+static int asus_led_set(struct asus_laptop *asus, const char *method,
+			 int value)
 {
-	unsigned long long status;
-	acpi_status rv = AE_OK;
-
-	rv = acpi_evaluate_integer(gps_status_handle, NULL, NULL, &status);
-	if (ACPI_FAILURE(rv))
-		pr_warning("Error reading GPS status\n");
+	if (!strcmp(method, METHOD_MLED))
+		value = !value;
+	else if (!strcmp(method, METHOD_GLED))
+		value = !value + 1;
 	else
-		return status ? 1 : 0;
+		value = !!value;
 
-	return (hotk->status & GPS_ON) ? 1 : 0;
+	return write_acpi_int(asus->handle, method, value);
 }
 
-/* Generic LED functions */
-static int read_status(int mask)
+/*
+ * LEDs
+ */
+/* /sys/class/led handlers */
+static void asus_led_cdev_set(struct led_classdev *led_cdev,
+			 enum led_brightness value)
 {
-	/* There is a special method for both wireless devices */
-	if (mask == BT_ON || mask == WL_ON)
-		return read_wireless_status(mask);
-	else if (mask == GPS_ON)
-		return read_gps_status();
+	struct asus_led *led = container_of(led_cdev, struct asus_led, led);
+	struct asus_laptop *asus = led->asus;
 
-	return (hotk->status & mask) ? 1 : 0;
+	led->wk = !!value;
+	queue_work(asus->led_workqueue, &led->work);
 }
 
-static void write_status(acpi_handle handle, int out, int mask)
+static void asus_led_cdev_update(struct work_struct *work)
 {
-	hotk->status = (out) ? (hotk->status | mask) : (hotk->status & ~mask);
+	struct asus_led *led = container_of(work, struct asus_led, work);
+	struct asus_laptop *asus = led->asus;
 
-	switch (mask) {
-	case MLED_ON:
-		out = !(out & 0x1);
-		break;
-	case GLED_ON:
-		out = (out & 0x1) + 1;
-		break;
-	case GPS_ON:
-		handle = (out) ? gps_on_handle : gps_off_handle;
-		out = 0x02;
-		break;
-	default:
-		out &= 0x1;
-		break;
-	}
-
-	if (write_acpi_int(handle, NULL, out, NULL))
-		pr_warning(" write failed %x\n", mask);
+	asus_led_set(asus, led->method, led->wk);
 }
 
-/* /sys/class/led handlers */
-#define ASUS_LED_HANDLER(object, mask)					\
-	static void object##_led_set(struct led_classdev *led_cdev,	\
-				     enum led_brightness value)		\
-	{								\
-		object##_led_wk = (value > 0) ? 1 : 0;			\
-		queue_work(led_workqueue, &object##_led_work);		\
-	}								\
-	static void object##_led_update(struct work_struct *ignored)	\
-	{								\
-		int value = object##_led_wk;				\
-		write_status(object##_set_handle, value, (mask));	\
-	}								\
-	static enum led_brightness object##_led_get(			\
-		struct led_classdev *led_cdev)				\
-	{								\
-		return led_cdev->brightness;				\
-	}
-
-ASUS_LED_HANDLER(mled, MLED_ON);
-ASUS_LED_HANDLER(pled, PLED_ON);
-ASUS_LED_HANDLER(rled, RLED_ON);
-ASUS_LED_HANDLER(tled, TLED_ON);
-ASUS_LED_HANDLER(gled, GLED_ON);
+static enum led_brightness asus_led_cdev_get(struct led_classdev *led_cdev)
+{
+	return led_cdev->brightness;
+}
 
 /*
- * Keyboard backlight
+ * Keyboard backlight (also a LED)
  */
-static int get_kled_lvl(void)
+static int asus_kled_lvl(struct asus_laptop *asus)
 {
 	unsigned long long kblv;
 	struct acpi_object_list params;
@@ -468,75 +397,183 @@ static int get_kled_lvl(void)
 	in_obj.type = ACPI_TYPE_INTEGER;
 	in_obj.integer.value = 2;
 
-	rv = acpi_evaluate_integer(kled_get_handle, NULL, &params, &kblv);
+	rv = acpi_evaluate_integer(asus->handle, METHOD_KBD_LIGHT_GET,
+				   &params, &kblv);
 	if (ACPI_FAILURE(rv)) {
 		pr_warning("Error reading kled level\n");
-		return 0;
+		return -ENODEV;
 	}
 	return kblv;
 }
 
-static int set_kled_lvl(int kblv)
+static int asus_kled_set(struct asus_laptop *asus, int kblv)
 {
 	if (kblv > 0)
 		kblv = (1 << 7) | (kblv & 0x7F);
 	else
 		kblv = 0;
 
-	if (write_acpi_int(kled_set_handle, NULL, kblv, NULL)) {
+	if (write_acpi_int(asus->handle, METHOD_KBD_LIGHT_SET, kblv)) {
 		pr_warning("Keyboard LED display write failed\n");
 		return -EINVAL;
 	}
 	return 0;
 }
 
-static void kled_led_set(struct led_classdev *led_cdev,
-			 enum led_brightness value)
+static void asus_kled_cdev_set(struct led_classdev *led_cdev,
+			      enum led_brightness value)
+{
+	struct asus_led *led = container_of(led_cdev, struct asus_led, led);
+	struct asus_laptop *asus = led->asus;
+
+	led->wk = value;
+	queue_work(asus->led_workqueue, &led->work);
+}
+
+static void asus_kled_cdev_update(struct work_struct *work)
 {
-	kled_led_wk = value;
-	queue_work(led_workqueue, &kled_led_work);
+	struct asus_led *led = container_of(work, struct asus_led, work);
+	struct asus_laptop *asus = led->asus;
+
+	asus_kled_set(asus, led->wk);
 }
 
-static void kled_led_update(struct work_struct *ignored)
+static enum led_brightness asus_kled_cdev_get(struct led_classdev *led_cdev)
 {
-	set_kled_lvl(kled_led_wk);
+	struct asus_led *led = container_of(led_cdev, struct asus_led, led);
+	struct asus_laptop *asus = led->asus;
+
+	return asus_kled_lvl(asus);
 }
 
-static enum led_brightness kled_led_get(struct led_classdev *led_cdev)
+static void asus_led_exit(struct asus_laptop *asus)
 {
-	return get_kled_lvl();
+	if (asus->mled.led.dev)
+		led_classdev_unregister(&asus->mled.led);
+	if (asus->tled.led.dev)
+		led_classdev_unregister(&asus->tled.led);
+	if (asus->pled.led.dev)
+		led_classdev_unregister(&asus->pled.led);
+	if (asus->rled.led.dev)
+		led_classdev_unregister(&asus->rled.led);
+	if (asus->gled.led.dev)
+		led_classdev_unregister(&asus->gled.led);
+	if (asus->kled.led.dev)
+		led_classdev_unregister(&asus->kled.led);
+	if (asus->led_workqueue) {
+		destroy_workqueue(asus->led_workqueue);
+		asus->led_workqueue = NULL;
+	}
 }
 
-static int get_lcd_state(void)
+/*  Ugly macro, need to fix that later */
+static int asus_led_register(struct asus_laptop *asus,
+			     struct asus_led *led,
+			     const char *name, const char *method)
 {
-	return read_status(LCD_ON);
+	struct led_classdev *led_cdev = &led->led;
+
+	if (!method || acpi_check_handle(asus->handle, method, NULL))
+		return 0; /* Led not present */
+
+	led->asus = asus;
+	led->method = method;
+
+	INIT_WORK(&led->work, asus_led_cdev_update);
+	led_cdev->name = name;
+	led_cdev->brightness_set = asus_led_cdev_set;
+	led_cdev->brightness_get = asus_led_cdev_get;
+	led_cdev->max_brightness = 1;
+	return led_classdev_register(&asus->platform_device->dev, led_cdev);
 }
 
-static int set_lcd_state(int value)
+static int asus_led_init(struct asus_laptop *asus)
+{
+	int r;
+
+	/*
+	 * Functions that actually update the LED's are called from a
+	 * workqueue. By doing this as separate work rather than when the LED
+	 * subsystem asks, we avoid messing with the Asus ACPI stuff during a
+	 * potentially bad time, such as a timer interrupt.
+	 */
+	asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
+	if (!asus->led_workqueue)
+		return -ENOMEM;
+
+	r = asus_led_register(asus, &asus->mled, "asus::mail", METHOD_MLED);
+	if (r)
+		goto error;
+	r = asus_led_register(asus, &asus->tled, "asus::touchpad", METHOD_TLED);
+	if (r)
+		goto error;
+	r = asus_led_register(asus, &asus->rled, "asus::record", METHOD_RLED);
+	if (r)
+		goto error;
+	r = asus_led_register(asus, &asus->pled, "asus::phone", METHOD_PLED);
+	if (r)
+		goto error;
+	r = asus_led_register(asus, &asus->gled, "asus::gaming", METHOD_GLED);
+	if (r)
+		goto error;
+	if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL) &&
+	    !acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_GET, NULL)) {
+		struct asus_led *led = &asus->kled;
+		struct led_classdev *cdev = &led->led;
+
+		led->asus = asus;
+
+		INIT_WORK(&led->work, asus_kled_cdev_update);
+		cdev->name = "asus::kbd_backlight";
+		cdev->brightness_set = asus_kled_cdev_set;
+		cdev->brightness_get = asus_kled_cdev_get;
+		cdev->max_brightness = 3;
+		r = led_classdev_register(&asus->platform_device->dev, cdev);
+	}
+error:
+	if (r)
+		asus_led_exit(asus);
+	return r;
+}
+
+/*
+ * Backlight device
+ */
+static int asus_lcd_status(struct asus_laptop *asus)
+{
+	return asus->lcd_state;
+}
+
+static int asus_lcd_set(struct asus_laptop *asus, int value)
 {
 	int lcd = 0;
 	acpi_status status = 0;
 
-	lcd = value ? 1 : 0;
+	lcd = !!value;
 
-	if (lcd == get_lcd_state())
+	if (lcd == asus_lcd_status(asus))
 		return 0;
 
-	if (lcd_switch_handle) {
-		status = acpi_evaluate_object(lcd_switch_handle,
-					      NULL, NULL, NULL);
+	if (!lcd_switch_handle)
+		return -ENODEV;
+
+	status = acpi_evaluate_object(lcd_switch_handle,
+				      NULL, NULL, NULL);
 
-		if (ACPI_FAILURE(status))
-			pr_warning("Error switching LCD\n");
+	if (ACPI_FAILURE(status)) {
+		pr_warning("Error switching LCD\n");
+		return -ENODEV;
 	}
 
-	write_status(NULL, lcd, LCD_ON);
+	asus->lcd_state = lcd;
 	return 0;
 }
 
-static void lcd_blank(int blank)
+static void lcd_blank(struct asus_laptop *asus, int blank)
 {
-	struct backlight_device *bd = asus_backlight_device;
+	struct backlight_device *bd = asus->backlight_device;
+
+	asus->lcd_state = (blank == FB_BLANK_UNBLANK);
 
 	if (bd) {
 		bd->props.power = blank;
@@ -544,44 +581,94 @@ static void lcd_blank(int blank)
 	}
 }
 
-static int read_brightness(struct backlight_device *bd)
+static int asus_read_brightness(struct backlight_device *bd)
 {
+	struct asus_laptop *asus = bl_get_data(bd);
 	unsigned long long value;
 	acpi_status rv = AE_OK;
 
-	rv = acpi_evaluate_integer(brightness_get_handle, NULL, NULL, &value);
+	rv = acpi_evaluate_integer(asus->handle, METHOD_BRIGHTNESS_GET,
+				   NULL, &value);
 	if (ACPI_FAILURE(rv))
 		pr_warning("Error reading brightness\n");
 
 	return value;
 }
 
-static int set_brightness(struct backlight_device *bd, int value)
+static int asus_set_brightness(struct backlight_device *bd, int value)
 {
-	int ret = 0;
+	struct asus_laptop *asus = bl_get_data(bd);
 
-	value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
-	/* 0 <= value <= 15 */
-
-	if (write_acpi_int(brightness_set_handle, NULL, value, NULL)) {
+	if (write_acpi_int(asus->handle, METHOD_BRIGHTNESS_SET, value)) {
 		pr_warning("Error changing brightness\n");
-		ret = -EIO;
+		return -EIO;
 	}
-
-	return ret;
+	return 0;
 }
 
 static int update_bl_status(struct backlight_device *bd)
 {
+	struct asus_laptop *asus = bl_get_data(bd);
 	int rv;
 	int value = bd->props.brightness;
 
-	rv = set_brightness(bd, value);
+	rv = asus_set_brightness(bd, value);
 	if (rv)
 		return rv;
 
 	value = (bd->props.power == FB_BLANK_UNBLANK) ? 1 : 0;
-	return set_lcd_state(value);
+	return asus_lcd_set(asus, value);
+}
+
+static struct backlight_ops asusbl_ops = {
+	.get_brightness = asus_read_brightness,
+	.update_status = update_bl_status,
+};
+
+static int asus_backlight_notify(struct asus_laptop *asus)
+{
+	struct backlight_device *bd = asus->backlight_device;
+	int old = bd->props.brightness;
+
+	backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
+
+	return old;
+}
+
+static int asus_backlight_init(struct asus_laptop *asus)
+{
+	struct backlight_device *bd;
+	struct device *dev = &asus->platform_device->dev;
+	struct backlight_properties props;
+
+	if (!acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_GET, NULL) &&
+	    !acpi_check_handle(asus->handle, METHOD_BRIGHTNESS_SET, NULL) &&
+	    lcd_switch_handle) {
+		memset(&props, 0, sizeof(struct backlight_properties));
+		props.max_brightness = 15;
+
+		bd = backlight_device_register(ASUS_LAPTOP_FILE, dev,
+					       asus, &asusbl_ops, &props);
+		if (IS_ERR(bd)) {
+			pr_err("Could not register asus backlight device\n");
+			asus->backlight_device = NULL;
+			return PTR_ERR(bd);
+		}
+
+		asus->backlight_device = bd;
+
+		bd->props.power = FB_BLANK_UNBLANK;
+		bd->props.brightness = asus_read_brightness(bd);
+		backlight_update_status(bd);
+	}
+	return 0;
+}
+
+static void asus_backlight_exit(struct asus_laptop *asus)
+{
+	if (asus->backlight_device)
+		backlight_device_unregister(asus->backlight_device);
+	asus->backlight_device = NULL;
 }
 
 /*
@@ -596,25 +683,26 @@ static int update_bl_status(struct backlight_device *bd)
 static ssize_t show_infos(struct device *dev,
 			  struct device_attribute *attr, char *page)
 {
+	struct asus_laptop *asus = dev_get_drvdata(dev);
 	int len = 0;
 	unsigned long long temp;
 	char buf[16];		/* enough for all info */
 	acpi_status rv = AE_OK;
 
 	/*
-	 * We use the easy way, we don't care of off and count, so we don't set eof
-	 * to 1
+	 * We use the easy way, we don't care of off and count,
+	 * so we don't set eof to 1
 	 */
 
-	len += sprintf(page, ASUS_HOTK_NAME " " ASUS_LAPTOP_VERSION "\n");
-	len += sprintf(page + len, "Model reference    : %s\n", hotk->name);
+	len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n");
+	len += sprintf(page + len, "Model reference    : %s\n", asus->name);
 	/*
 	 * The SFUN method probably allows the original driver to get the list
 	 * of features supported by a given model. For now, 0x0100 or 0x0800
 	 * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
 	 * The significance of others is yet to be found.
 	 */
-	rv = acpi_evaluate_integer(hotk->handle, "SFUN", NULL, &temp);
+	rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp);
 	if (!ACPI_FAILURE(rv))
 		len += sprintf(page + len, "SFUN value         : %#x\n",
 			       (uint) temp);
@@ -624,7 +712,7 @@ static ssize_t show_infos(struct device *dev,
 	 * The significance of others is yet to be found.
 	 * If we don't find the method, we assume the device are present.
 	 */
-	rv = acpi_evaluate_integer(hotk->handle, "HRWS", NULL, &temp);
+	rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp);
 	if (!ACPI_FAILURE(rv))
 		len += sprintf(page + len, "HRWS value         : %#x\n",
 			       (uint) temp);
@@ -635,26 +723,26 @@ static ssize_t show_infos(struct device *dev,
 	 * Note: since not all the laptops provide this method, errors are
 	 * silently ignored.
 	 */
-	rv = acpi_evaluate_integer(hotk->handle, "ASYM", NULL, &temp);
+	rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp);
 	if (!ACPI_FAILURE(rv))
 		len += sprintf(page + len, "ASYM value         : %#x\n",
 			       (uint) temp);
-	if (asus_info) {
-		snprintf(buf, 16, "%d", asus_info->length);
+	if (asus->dsdt_info) {
+		snprintf(buf, 16, "%d", asus->dsdt_info->length);
 		len += sprintf(page + len, "DSDT length        : %s\n", buf);
-		snprintf(buf, 16, "%d", asus_info->checksum);
+		snprintf(buf, 16, "%d", asus->dsdt_info->checksum);
 		len += sprintf(page + len, "DSDT checksum      : %s\n", buf);
-		snprintf(buf, 16, "%d", asus_info->revision);
+		snprintf(buf, 16, "%d", asus->dsdt_info->revision);
 		len += sprintf(page + len, "DSDT revision      : %s\n", buf);
-		snprintf(buf, 7, "%s", asus_info->oem_id);
+		snprintf(buf, 7, "%s", asus->dsdt_info->oem_id);
 		len += sprintf(page + len, "OEM id             : %s\n", buf);
-		snprintf(buf, 9, "%s", asus_info->oem_table_id);
+		snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id);
 		len += sprintf(page + len, "OEM table id       : %s\n", buf);
-		snprintf(buf, 16, "%x", asus_info->oem_revision);
+		snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision);
 		len += sprintf(page + len, "OEM revision       : 0x%s\n", buf);
-		snprintf(buf, 5, "%s", asus_info->asl_compiler_id);
+		snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id);
 		len += sprintf(page + len, "ASL comp vendor id : %s\n", buf);
-		snprintf(buf, 16, "%x", asus_info->asl_compiler_revision);
+		snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision);
 		len += sprintf(page + len, "ASL comp revision  : 0x%s\n", buf);
 	}
 
@@ -672,8 +760,9 @@ static int parse_arg(const char *buf, unsigned long count, int *val)
 	return count;
 }
 
-static ssize_t store_status(const char *buf, size_t count,
-			    acpi_handle handle, int mask)
+static ssize_t sysfs_acpi_set(struct asus_laptop *asus,
+			      const char *buf, size_t count,
+			      const char *method)
 {
 	int rv, value;
 	int out = 0;
@@ -682,8 +771,8 @@ static ssize_t store_status(const char *buf, size_t count,
 	if (rv > 0)
 		out = value ? 1 : 0;
 
-	write_status(handle, out, mask);
-
+	if (write_acpi_int(asus->handle, method, value))
+		return -ENODEV;
 	return rv;
 }
 
@@ -693,67 +782,116 @@ static ssize_t store_status(const char *buf, size_t count,
 static ssize_t show_ledd(struct device *dev,
 			 struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "0x%08x\n", hotk->ledd_status);
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+
+	return sprintf(buf, "0x%08x\n", asus->ledd_status);
 }
 
 static ssize_t store_ledd(struct device *dev, struct device_attribute *attr,
 			  const char *buf, size_t count)
 {
+	struct asus_laptop *asus = dev_get_drvdata(dev);
 	int rv, value;
 
 	rv = parse_arg(buf, count, &value);
 	if (rv > 0) {
-		if (write_acpi_int(ledd_set_handle, NULL, value, NULL))
+		if (write_acpi_int(asus->handle, METHOD_LEDD, value))
 			pr_warning("LED display write failed\n");
 		else
-			hotk->ledd_status = (u32) value;
+			asus->ledd_status = (u32) value;
 	}
 	return rv;
 }
 
 /*
+ * Wireless
+ */
+static int asus_wireless_status(struct asus_laptop *asus, int mask)
+{
+	unsigned long long status;
+	acpi_status rv = AE_OK;
+
+	if (!asus->have_rsts)
+		return (asus->wireless_status & mask) ? 1 : 0;
+
+	rv = acpi_evaluate_integer(asus->handle, METHOD_WL_STATUS,
+				   NULL, &status);
+	if (ACPI_FAILURE(rv)) {
+		pr_warning("Error reading Wireless status\n");
+		return -EINVAL;
+	}
+	return !!(status & mask);
+}
+
+/*
  * WLAN
  */
+static int asus_wlan_set(struct asus_laptop *asus, int status)
+{
+	if (write_acpi_int(asus->handle, METHOD_WLAN, !!status)) {
+		pr_warning("Error setting wlan status to %d", status);
+		return -EIO;
+	}
+	return 0;
+}
+
 static ssize_t show_wlan(struct device *dev,
 			 struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "%d\n", read_status(WL_ON));
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+
+	return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS));
 }
 
 static ssize_t store_wlan(struct device *dev, struct device_attribute *attr,
 			  const char *buf, size_t count)
 {
-	return store_status(buf, count, wl_switch_handle, WL_ON);
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+
+	return sysfs_acpi_set(asus, buf, count, METHOD_WLAN);
 }
 
 /*
  * Bluetooth
  */
+static int asus_bluetooth_set(struct asus_laptop *asus, int status)
+{
+	if (write_acpi_int(asus->handle, METHOD_BLUETOOTH, !!status)) {
+		pr_warning("Error setting bluetooth status to %d", status);
+		return -EIO;
+	}
+	return 0;
+}
+
 static ssize_t show_bluetooth(struct device *dev,
 			      struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "%d\n", read_status(BT_ON));
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+
+	return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS));
 }
 
 static ssize_t store_bluetooth(struct device *dev,
 			       struct device_attribute *attr, const char *buf,
 			       size_t count)
 {
-	return store_status(buf, count, bt_switch_handle, BT_ON);
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+
+	return sysfs_acpi_set(asus, buf, count, METHOD_BLUETOOTH);
 }
 
 /*
  * Display
  */
-static void set_display(int value)
+static void asus_set_display(struct asus_laptop *asus, int value)
 {
 	/* no sanity check needed for now */
-	if (write_acpi_int(display_set_handle, NULL, value, NULL))
+	if (write_acpi_int(asus->handle, METHOD_SWITCH_DISPLAY, value))
 		pr_warning("Error setting display\n");
 	return;
 }
 
-static int read_display(void)
+static int read_display(struct asus_laptop *asus)
 {
 	unsigned long long value = 0;
 	acpi_status rv = AE_OK;
@@ -769,7 +907,7 @@ static int read_display(void)
 			pr_warning("Error reading display status\n");
 	}
 
-	value &= 0x0F;		/* needed for some models, shouldn't hurt others */
+	value &= 0x0F; /* needed for some models, shouldn't hurt others */
 
 	return value;
 }
@@ -781,7 +919,11 @@ static int read_display(void)
 static ssize_t show_disp(struct device *dev,
 			 struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "%d\n", read_display());
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+
+	if (!display_get_handle)
+		return -ENODEV;
+	return sprintf(buf, "%d\n", read_display(asus));
 }
 
 /*
@@ -794,65 +936,72 @@ static ssize_t show_disp(struct device *dev,
 static ssize_t store_disp(struct device *dev, struct device_attribute *attr,
 			  const char *buf, size_t count)
 {
+	struct asus_laptop *asus = dev_get_drvdata(dev);
 	int rv, value;
 
 	rv = parse_arg(buf, count, &value);
 	if (rv > 0)
-		set_display(value);
+		asus_set_display(asus, value);
 	return rv;
 }
 
 /*
  * Light Sens
  */
-static void set_light_sens_switch(int value)
+static void asus_als_switch(struct asus_laptop *asus, int value)
 {
-	if (write_acpi_int(ls_switch_handle, NULL, value, NULL))
+	if (write_acpi_int(asus->handle, METHOD_ALS_CONTROL, value))
 		pr_warning("Error setting light sensor switch\n");
-	hotk->light_switch = value;
+	asus->light_switch = value;
 }
 
 static ssize_t show_lssw(struct device *dev,
 			 struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "%d\n", hotk->light_switch);
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+
+	return sprintf(buf, "%d\n", asus->light_switch);
 }
 
 static ssize_t store_lssw(struct device *dev, struct device_attribute *attr,
 			  const char *buf, size_t count)
 {
+	struct asus_laptop *asus = dev_get_drvdata(dev);
 	int rv, value;
 
 	rv = parse_arg(buf, count, &value);
 	if (rv > 0)
-		set_light_sens_switch(value ? 1 : 0);
+		asus_als_switch(asus, value ? 1 : 0);
 
 	return rv;
 }
 
-static void set_light_sens_level(int value)
+static void asus_als_level(struct asus_laptop *asus, int value)
 {
-	if (write_acpi_int(ls_level_handle, NULL, value, NULL))
+	if (write_acpi_int(asus->handle, METHOD_ALS_LEVEL, value))
 		pr_warning("Error setting light sensor level\n");
-	hotk->light_level = value;
+	asus->light_level = value;
 }
 
 static ssize_t show_lslvl(struct device *dev,
 			  struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "%d\n", hotk->light_level);
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+
+	return sprintf(buf, "%d\n", asus->light_level);
 }
 
 static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr,
 			   const char *buf, size_t count)
 {
+	struct asus_laptop *asus = dev_get_drvdata(dev);
 	int rv, value;
 
 	rv = parse_arg(buf, count, &value);
 	if (rv > 0) {
 		value = (0 < value) ? ((15 < value) ? 15 : value) : 0;
 		/* 0 <= value <= 15 */
-		set_light_sens_level(value);
+		asus_als_level(asus, value);
 	}
 
 	return rv;
@@ -861,197 +1010,309 @@ static ssize_t store_lslvl(struct device *dev, struct device_attribute *attr,
 /*
  * GPS
  */
+static int asus_gps_status(struct asus_laptop *asus)
+{
+	unsigned long long status;
+	acpi_status rv = AE_OK;
+
+	rv = acpi_evaluate_integer(asus->handle, METHOD_GPS_STATUS,
+				   NULL, &status);
+	if (ACPI_FAILURE(rv)) {
+		pr_warning("Error reading GPS status\n");
+		return -ENODEV;
+	}
+	return !!status;
+}
+
+static int asus_gps_switch(struct asus_laptop *asus, int status)
+{
+	const char *meth = status ? METHOD_GPS_ON : METHOD_GPS_OFF;
+
+	if (write_acpi_int(asus->handle, meth, 0x02))
+		return -ENODEV;
+	return 0;
+}
+
 static ssize_t show_gps(struct device *dev,
 			struct device_attribute *attr, char *buf)
 {
-	return sprintf(buf, "%d\n", read_status(GPS_ON));
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+
+	return sprintf(buf, "%d\n", asus_gps_status(asus));
 }
 
 static ssize_t store_gps(struct device *dev, struct device_attribute *attr,
 			 const char *buf, size_t count)
 {
-	return store_status(buf, count, NULL, GPS_ON);
+	struct asus_laptop *asus = dev_get_drvdata(dev);
+	int rv, value;
+	int ret;
+
+	rv = parse_arg(buf, count, &value);
+	if (rv <= 0)
+		return -EINVAL;
+	ret = asus_gps_switch(asus, !!value);
+	if (ret)
+		return ret;
+	rfkill_set_sw_state(asus->gps_rfkill, !value);
+	return rv;
 }
 
 /*
- * Hotkey functions
+ * rfkill
  */
-static struct key_entry *asus_get_entry_by_scancode(int code)
+static int asus_gps_rfkill_set(void *data, bool blocked)
 {
-	struct key_entry *key;
+	acpi_handle handle = data;
 
-	for (key = asus_keymap; key->type != KE_END; key++)
-		if (code == key->code)
-			return key;
-
-	return NULL;
+	return asus_gps_switch(handle, !blocked);
 }
 
-static struct key_entry *asus_get_entry_by_keycode(int code)
-{
-	struct key_entry *key;
-
-	for (key = asus_keymap; key->type != KE_END; key++)
-		if (code == key->keycode && key->type == KE_KEY)
-			return key;
+static const struct rfkill_ops asus_gps_rfkill_ops = {
+	.set_block = asus_gps_rfkill_set,
+};
 
-	return NULL;
+static void asus_rfkill_exit(struct asus_laptop *asus)
+{
+	if (asus->gps_rfkill) {
+		rfkill_unregister(asus->gps_rfkill);
+		rfkill_destroy(asus->gps_rfkill);
+		asus->gps_rfkill = NULL;
+	}
 }
 
-static int asus_getkeycode(struct input_dev *dev, int scancode, int *keycode)
+static int asus_rfkill_init(struct asus_laptop *asus)
 {
-	struct key_entry *key = asus_get_entry_by_scancode(scancode);
+	int result;
 
-	if (key && key->type == KE_KEY) {
-		*keycode = key->keycode;
+	if (acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) ||
+	    acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) ||
+	    acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL))
 		return 0;
+
+	asus->gps_rfkill = rfkill_alloc("asus-gps", &asus->platform_device->dev,
+					RFKILL_TYPE_GPS,
+					&asus_gps_rfkill_ops, NULL);
+	if (!asus->gps_rfkill)
+		return -EINVAL;
+
+	result = rfkill_register(asus->gps_rfkill);
+	if (result) {
+		rfkill_destroy(asus->gps_rfkill);
+		asus->gps_rfkill = NULL;
 	}
 
-	return -EINVAL;
+	return result;
 }
 
-static int asus_setkeycode(struct input_dev *dev, int scancode, int keycode)
+/*
+ * Input device (i.e. hotkeys)
+ */
+static void asus_input_notify(struct asus_laptop *asus, int event)
 {
-	struct key_entry *key;
-	int old_keycode;
+	if (asus->inputdev)
+		sparse_keymap_report_event(asus->inputdev, event, 1, true);
+}
 
-	if (keycode < 0 || keycode > KEY_MAX)
-		return -EINVAL;
+static int asus_input_init(struct asus_laptop *asus)
+{
+	struct input_dev *input;
+	int error;
 
-	key = asus_get_entry_by_scancode(scancode);
-	if (key && key->type == KE_KEY) {
-		old_keycode = key->keycode;
-		key->keycode = keycode;
-		set_bit(keycode, dev->keybit);
-		if (!asus_get_entry_by_keycode(old_keycode))
-			clear_bit(old_keycode, dev->keybit);
+	input = input_allocate_device();
+	if (!input) {
+		pr_info("Unable to allocate input device\n");
 		return 0;
 	}
+	input->name = "Asus Laptop extra buttons";
+	input->phys = ASUS_LAPTOP_FILE "/input0";
+	input->id.bustype = BUS_HOST;
+	input->dev.parent = &asus->platform_device->dev;
+	input_set_drvdata(input, asus);
+
+	error = sparse_keymap_setup(input, asus_keymap, NULL);
+	if (error) {
+		pr_err("Unable to setup input device keymap\n");
+		goto err_keymap;
+	}
+	error = input_register_device(input);
+	if (error) {
+		pr_info("Unable to register input device\n");
+		goto err_device;
+	}
 
-	return -EINVAL;
+	asus->inputdev = input;
+	return 0;
+
+err_keymap:
+	sparse_keymap_free(input);
+err_device:
+	input_free_device(input);
+	return error;
 }
 
-static void asus_hotk_notify(struct acpi_device *device, u32 event)
+static void asus_input_exit(struct asus_laptop *asus)
 {
-	static struct key_entry *key;
-	u16 count;
+	if (asus->inputdev) {
+		sparse_keymap_free(asus->inputdev);
+		input_unregister_device(asus->inputdev);
+	}
+}
 
-	/* TODO Find a better way to handle events count. */
-	if (!hotk)
-		return;
+/*
+ * ACPI driver
+ */
+static void asus_acpi_notify(struct acpi_device *device, u32 event)
+{
+	struct asus_laptop *asus = acpi_driver_data(device);
+	u16 count;
 
 	/*
 	 * We need to tell the backlight device when the backlight power is
 	 * switched
 	 */
-	if (event == ATKD_LCD_ON) {
-		write_status(NULL, 1, LCD_ON);
-		lcd_blank(FB_BLANK_UNBLANK);
-	} else if (event == ATKD_LCD_OFF) {
-		write_status(NULL, 0, LCD_ON);
-		lcd_blank(FB_BLANK_POWERDOWN);
-	}
+	if (event == ATKD_LCD_ON)
+		lcd_blank(asus, FB_BLANK_UNBLANK);
+	else if (event == ATKD_LCD_OFF)
+		lcd_blank(asus, FB_BLANK_POWERDOWN);
 
-	count = hotk->event_count[event % 128]++;
-	acpi_bus_generate_proc_event(hotk->device, event, count);
-	acpi_bus_generate_netlink_event(hotk->device->pnp.device_class,
-					dev_name(&hotk->device->dev), event,
+	/* TODO Find a better way to handle events count. */
+	count = asus->event_count[event % 128]++;
+	acpi_bus_generate_proc_event(asus->device, event, count);
+	acpi_bus_generate_netlink_event(asus->device->pnp.device_class,
+					dev_name(&asus->device->dev), event,
 					count);
 
-	if (hotk->inputdev) {
-		key = asus_get_entry_by_scancode(event);
-		if (!key)
-			return ;
-
-		switch (key->type) {
-		case KE_KEY:
-			input_report_key(hotk->inputdev, key->keycode, 1);
-			input_sync(hotk->inputdev);
-			input_report_key(hotk->inputdev, key->keycode, 0);
-			input_sync(hotk->inputdev);
-			break;
+	/* Brightness events are special */
+	if (event >= ATKD_BR_MIN && event <= ATKD_BR_MAX) {
+
+		/* Ignore them completely if the acpi video driver is used */
+		if (asus->backlight_device != NULL) {
+			/* Update the backlight device. */
+			asus_backlight_notify(asus);
 		}
+		return ;
 	}
+	asus_input_notify(asus, event);
 }
 
-#define ASUS_CREATE_DEVICE_ATTR(_name)					\
-	struct device_attribute dev_attr_##_name = {			\
-		.attr = {						\
-			.name = __stringify(_name),			\
-			.mode = 0 },					\
-		.show   = NULL,						\
-		.store  = NULL,						\
+static DEVICE_ATTR(infos, S_IRUGO, show_infos, NULL);
+static DEVICE_ATTR(wlan, S_IRUGO | S_IWUSR, show_wlan, store_wlan);
+static DEVICE_ATTR(bluetooth, S_IRUGO | S_IWUSR, show_bluetooth,
+		   store_bluetooth);
+static DEVICE_ATTR(display, S_IRUGO | S_IWUSR, show_disp, store_disp);
+static DEVICE_ATTR(ledd, S_IRUGO | S_IWUSR, show_ledd, store_ledd);
+static DEVICE_ATTR(ls_level, S_IRUGO | S_IWUSR, show_lslvl, store_lslvl);
+static DEVICE_ATTR(ls_switch, S_IRUGO | S_IWUSR, show_lssw, store_lssw);
+static DEVICE_ATTR(gps, S_IRUGO | S_IWUSR, show_gps, store_gps);
+
+static void asus_sysfs_exit(struct asus_laptop *asus)
+{
+	struct platform_device *device = asus->platform_device;
+
+	device_remove_file(&device->dev, &dev_attr_infos);
+	device_remove_file(&device->dev, &dev_attr_wlan);
+	device_remove_file(&device->dev, &dev_attr_bluetooth);
+	device_remove_file(&device->dev, &dev_attr_display);
+	device_remove_file(&device->dev, &dev_attr_ledd);
+	device_remove_file(&device->dev, &dev_attr_ls_switch);
+	device_remove_file(&device->dev, &dev_attr_ls_level);
+	device_remove_file(&device->dev, &dev_attr_gps);
+}
+
+static int asus_sysfs_init(struct asus_laptop *asus)
+{
+	struct platform_device *device = asus->platform_device;
+	int err;
+
+	err = device_create_file(&device->dev, &dev_attr_infos);
+	if (err)
+		return err;
+
+	if (!acpi_check_handle(asus->handle, METHOD_WLAN, NULL)) {
+		err = device_create_file(&device->dev, &dev_attr_wlan);
+		if (err)
+			return err;
 	}
 
-#define ASUS_SET_DEVICE_ATTR(_name, _mode, _show, _store)		\
-	do {								\
-		dev_attr_##_name.attr.mode = _mode;			\
-		dev_attr_##_name.show = _show;				\
-		dev_attr_##_name.store = _store;			\
-	} while(0)
-
-static ASUS_CREATE_DEVICE_ATTR(infos);
-static ASUS_CREATE_DEVICE_ATTR(wlan);
-static ASUS_CREATE_DEVICE_ATTR(bluetooth);
-static ASUS_CREATE_DEVICE_ATTR(display);
-static ASUS_CREATE_DEVICE_ATTR(ledd);
-static ASUS_CREATE_DEVICE_ATTR(ls_switch);
-static ASUS_CREATE_DEVICE_ATTR(ls_level);
-static ASUS_CREATE_DEVICE_ATTR(gps);
-
-static struct attribute *asuspf_attributes[] = {
-	&dev_attr_infos.attr,
-	&dev_attr_wlan.attr,
-	&dev_attr_bluetooth.attr,
-	&dev_attr_display.attr,
-	&dev_attr_ledd.attr,
-	&dev_attr_ls_switch.attr,
-	&dev_attr_ls_level.attr,
-	&dev_attr_gps.attr,
-	NULL
-};
+	if (!acpi_check_handle(asus->handle, METHOD_BLUETOOTH, NULL)) {
+		err = device_create_file(&device->dev, &dev_attr_bluetooth);
+		if (err)
+			return err;
+	}
 
-static struct attribute_group asuspf_attribute_group = {
-	.attrs = asuspf_attributes
-};
+	if (!acpi_check_handle(asus->handle, METHOD_SWITCH_DISPLAY, NULL)) {
+		err = device_create_file(&device->dev, &dev_attr_display);
+		if (err)
+			return err;
+	}
 
-static struct platform_driver asuspf_driver = {
-	.driver = {
-		   .name = ASUS_HOTK_FILE,
-		   .owner = THIS_MODULE,
-		   }
-};
+	if (!acpi_check_handle(asus->handle, METHOD_LEDD, NULL)) {
+		err = device_create_file(&device->dev, &dev_attr_ledd);
+		if (err)
+			return err;
+	}
 
-static struct platform_device *asuspf_device;
+	if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) &&
+	    !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) {
+		err = device_create_file(&device->dev, &dev_attr_ls_switch);
+		if (err)
+			return err;
+		err = device_create_file(&device->dev, &dev_attr_ls_level);
+		if (err)
+			return err;
+	}
 
-static void asus_hotk_add_fs(void)
-{
-	ASUS_SET_DEVICE_ATTR(infos, 0444, show_infos, NULL);
+	if (!acpi_check_handle(asus->handle, METHOD_GPS_ON, NULL) &&
+	    !acpi_check_handle(asus->handle, METHOD_GPS_OFF, NULL) &&
+	    !acpi_check_handle(asus->handle, METHOD_GPS_STATUS, NULL)) {
+		err = device_create_file(&device->dev, &dev_attr_gps);
+		if (err)
+			return err;
+	}
+
+	return err;
+}
 
-	if (wl_switch_handle)
-		ASUS_SET_DEVICE_ATTR(wlan, 0644, show_wlan, store_wlan);
+static int asus_platform_init(struct asus_laptop *asus)
+{
+	int err;
 
-	if (bt_switch_handle)
-		ASUS_SET_DEVICE_ATTR(bluetooth, 0644,
-				     show_bluetooth, store_bluetooth);
+	asus->platform_device = platform_device_alloc(ASUS_LAPTOP_FILE, -1);
+	if (!asus->platform_device)
+		return -ENOMEM;
+	platform_set_drvdata(asus->platform_device, asus);
 
-	if (display_set_handle && display_get_handle)
-		ASUS_SET_DEVICE_ATTR(display, 0644, show_disp, store_disp);
-	else if (display_set_handle)
-		ASUS_SET_DEVICE_ATTR(display, 0200, NULL, store_disp);
+	err = platform_device_add(asus->platform_device);
+	if (err)
+		goto fail_platform_device;
 
-	if (ledd_set_handle)
-		ASUS_SET_DEVICE_ATTR(ledd, 0644, show_ledd, store_ledd);
+	err = asus_sysfs_init(asus);
+	if (err)
+		goto fail_sysfs;
+	return 0;
 
-	if (ls_switch_handle && ls_level_handle) {
-		ASUS_SET_DEVICE_ATTR(ls_level, 0644, show_lslvl, store_lslvl);
-		ASUS_SET_DEVICE_ATTR(ls_switch, 0644, show_lssw, store_lssw);
-	}
+fail_sysfs:
+	asus_sysfs_exit(asus);
+	platform_device_del(asus->platform_device);
+fail_platform_device:
+	platform_device_put(asus->platform_device);
+	return err;
+}
 
-	if (gps_status_handle && gps_on_handle && gps_off_handle)
-		ASUS_SET_DEVICE_ATTR(gps, 0644, show_gps, store_gps);
+static void asus_platform_exit(struct asus_laptop *asus)
+{
+	asus_sysfs_exit(asus);
+	platform_device_unregister(asus->platform_device);
 }
 
+static struct platform_driver platform_driver = {
+	.driver = {
+		.name = ASUS_LAPTOP_FILE,
+		.owner = THIS_MODULE,
+	}
+};
+
 static int asus_handle_init(char *name, acpi_handle * handle,
 			    char **paths, int num_paths)
 {
@@ -1073,10 +1334,11 @@ static int asus_handle_init(char *name, acpi_handle * handle,
 			 ARRAY_SIZE(object##_paths))
 
 /*
- * This function is used to initialize the hotk with right values. In this
- * method, we can make all the detection we want, and modify the hotk struct
+ * This function is used to initialize the context with right values. In this
+ * method, we can make all the detection we want, and modify the asus_laptop
+ * struct
  */
-static int asus_hotk_get_info(void)
+static int asus_laptop_get_info(struct asus_laptop *asus)
 {
 	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
 	union acpi_object *model = NULL;
@@ -1089,22 +1351,21 @@ static int asus_hotk_get_info(void)
 	 * models, but late enough to allow acpi_bus_register_driver() to fail
 	 * before doing anything ACPI-specific. Should we encounter a machine,
 	 * which needs special handling (i.e. its hotkey device has a different
-	 * HID), this bit will be moved. A global variable asus_info contains
-	 * the DSDT header.
+	 * HID), this bit will be moved.
 	 */
-	status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus_info);
+	status = acpi_get_table(ACPI_SIG_DSDT, 1, &asus->dsdt_info);
 	if (ACPI_FAILURE(status))
 		pr_warning("Couldn't get the DSDT table header\n");
 
 	/* We have to write 0 on init this far for all ASUS models */
-	if (write_acpi_int(hotk->handle, "INIT", 0, &buffer)) {
+	if (write_acpi_int_ret(asus->handle, "INIT", 0, &buffer)) {
 		pr_err("Hotkey initialization failed\n");
 		return -ENODEV;
 	}
 
 	/* This needs to be called for some laptops to init properly */
 	status =
-	    acpi_evaluate_integer(hotk->handle, "BSTS", NULL, &bsts_result);
+	    acpi_evaluate_integer(asus->handle, "BSTS", NULL, &bsts_result);
 	if (ACPI_FAILURE(status))
 		pr_warning("Error calling BSTS\n");
 	else if (bsts_result)
@@ -1112,8 +1373,8 @@ static int asus_hotk_get_info(void)
 		       (uint) bsts_result);
 
 	/* This too ... */
-	write_acpi_int(hotk->handle, "CWAP", wapf, NULL);
-
+	if (write_acpi_int(asus->handle, "CWAP", wapf))
+		pr_err("Error calling CWAP(%d)\n", wapf);
 	/*
 	 * Try to match the object returned by INIT to the specific model.
 	 * Handle every possible object (or the lack of thereof) the DSDT
@@ -1134,397 +1395,210 @@ static int asus_hotk_get_info(void)
 			break;
 		}
 	}
-	hotk->name = kstrdup(string, GFP_KERNEL);
-	if (!hotk->name)
+	asus->name = kstrdup(string, GFP_KERNEL);
+	if (!asus->name)
 		return -ENOMEM;
 
 	if (*string)
 		pr_notice("  %s model detected\n", string);
 
-	ASUS_HANDLE_INIT(mled_set);
-	ASUS_HANDLE_INIT(tled_set);
-	ASUS_HANDLE_INIT(rled_set);
-	ASUS_HANDLE_INIT(pled_set);
-	ASUS_HANDLE_INIT(gled_set);
-
-	ASUS_HANDLE_INIT(ledd_set);
-
-	ASUS_HANDLE_INIT(kled_set);
-	ASUS_HANDLE_INIT(kled_get);
-
 	/*
 	 * The HWRS method return informations about the hardware.
 	 * 0x80 bit is for WLAN, 0x100 for Bluetooth.
 	 * The significance of others is yet to be found.
-	 * If we don't find the method, we assume the device are present.
 	 */
 	status =
-	    acpi_evaluate_integer(hotk->handle, "HRWS", NULL, &hwrs_result);
-	if (ACPI_FAILURE(status))
-		hwrs_result = WL_HWRS | BT_HWRS;
-
-	if (hwrs_result & WL_HWRS)
-		ASUS_HANDLE_INIT(wl_switch);
-	if (hwrs_result & BT_HWRS)
-		ASUS_HANDLE_INIT(bt_switch);
+	    acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result);
+	if (!ACPI_FAILURE(status))
+		pr_notice("  HRWS returned %x", (int)hwrs_result);
 
-	ASUS_HANDLE_INIT(wireless_status);
-
-	ASUS_HANDLE_INIT(brightness_set);
-	ASUS_HANDLE_INIT(brightness_get);
+	if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL))
+		asus->have_rsts = true;
 
+	/* Scheduled for removal */
 	ASUS_HANDLE_INIT(lcd_switch);
-
-	ASUS_HANDLE_INIT(display_set);
 	ASUS_HANDLE_INIT(display_get);
 
-	/*
-	 * There is a lot of models with "ALSL", but a few get
-	 * a real light sens, so we need to check it.
-	 */
-	if (!ASUS_HANDLE_INIT(ls_switch))
-		ASUS_HANDLE_INIT(ls_level);
-
-	ASUS_HANDLE_INIT(gps_on);
-	ASUS_HANDLE_INIT(gps_off);
-	ASUS_HANDLE_INIT(gps_status);
-
 	kfree(model);
 
 	return AE_OK;
 }
 
-static int asus_input_init(void)
-{
-	const struct key_entry *key;
-	int result;
+static bool asus_device_present;
 
-	hotk->inputdev = input_allocate_device();
-	if (!hotk->inputdev) {
-		pr_info("Unable to allocate input device\n");
-		return 0;
-	}
-	hotk->inputdev->name = "Asus Laptop extra buttons";
-	hotk->inputdev->phys = ASUS_HOTK_FILE "/input0";
-	hotk->inputdev->id.bustype = BUS_HOST;
-	hotk->inputdev->getkeycode = asus_getkeycode;
-	hotk->inputdev->setkeycode = asus_setkeycode;
-
-	for (key = asus_keymap; key->type != KE_END; key++) {
-		switch (key->type) {
-		case KE_KEY:
-			set_bit(EV_KEY, hotk->inputdev->evbit);
-			set_bit(key->keycode, hotk->inputdev->keybit);
-			break;
-		}
-	}
-	result = input_register_device(hotk->inputdev);
-	if (result) {
-		pr_info("Unable to register input device\n");
-		input_free_device(hotk->inputdev);
-	}
-	return result;
-}
-
-static int asus_hotk_check(void)
+static int __devinit asus_acpi_init(struct asus_laptop *asus)
 {
 	int result = 0;
 
-	result = acpi_bus_get_status(hotk->device);
+	result = acpi_bus_get_status(asus->device);
 	if (result)
 		return result;
-
-	if (hotk->device->status.present) {
-		result = asus_hotk_get_info();
-	} else {
+	if (!asus->device->status.present) {
 		pr_err("Hotkey device not present, aborting\n");
-		return -EINVAL;
+		return -ENODEV;
 	}
 
-	return result;
-}
-
-static int asus_hotk_found;
-
-static int asus_hotk_add(struct acpi_device *device)
-{
-	int result;
-
-	pr_notice("Asus Laptop Support version %s\n",
-	       ASUS_LAPTOP_VERSION);
-
-	hotk = kzalloc(sizeof(struct asus_hotk), GFP_KERNEL);
-	if (!hotk)
-		return -ENOMEM;
-
-	hotk->handle = device->handle;
-	strcpy(acpi_device_name(device), ASUS_HOTK_DEVICE_NAME);
-	strcpy(acpi_device_class(device), ASUS_HOTK_CLASS);
-	device->driver_data = hotk;
-	hotk->device = device;
-
-	result = asus_hotk_check();
+	result = asus_laptop_get_info(asus);
 	if (result)
-		goto end;
-
-	asus_hotk_add_fs();
-
-	asus_hotk_found = 1;
+		return result;
 
 	/* WLED and BLED are on by default */
-	write_status(bt_switch_handle, 1, BT_ON);
-	write_status(wl_switch_handle, 1, WL_ON);
+	if (bluetooth_status >= 0)
+		asus_bluetooth_set(asus, !!bluetooth_status);
 
-	/* If the h/w switch is off, we need to check the real status */
-	write_status(NULL, read_status(BT_ON), BT_ON);
-	write_status(NULL, read_status(WL_ON), WL_ON);
-
-	/* LCD Backlight is on by default */
-	write_status(NULL, 1, LCD_ON);
+	if (wlan_status >= 0)
+		asus_wlan_set(asus, !!wlan_status);
 
 	/* Keyboard Backlight is on by default */
-	if (kled_set_handle)
-		set_kled_lvl(1);
+	if (!acpi_check_handle(asus->handle, METHOD_KBD_LIGHT_SET, NULL))
+		asus_kled_set(asus, 1);
 
 	/* LED display is off by default */
-	hotk->ledd_status = 0xFFF;
+	asus->ledd_status = 0xFFF;
 
 	/* Set initial values of light sensor and level */
-	hotk->light_switch = 0;	/* Default to light sensor disabled */
-	hotk->light_level = 5;	/* level 5 for sensor sensitivity */
-
-	if (ls_switch_handle)
-		set_light_sens_switch(hotk->light_switch);
-
-	if (ls_level_handle)
-		set_light_sens_level(hotk->light_level);
-
-	/* GPS is on by default */
-	write_status(NULL, 1, GPS_ON);
+	asus->light_switch = 0;	/* Default to light sensor disabled */
+	asus->light_level = 5;	/* level 5 for sensor sensitivity */
 
-end:
-	if (result) {
-		kfree(hotk->name);
-		kfree(hotk);
+	if (!acpi_check_handle(asus->handle, METHOD_ALS_CONTROL, NULL) &&
+	    !acpi_check_handle(asus->handle, METHOD_ALS_LEVEL, NULL)) {
+		asus_als_switch(asus, asus->light_switch);
+		asus_als_level(asus, asus->light_level);
 	}
 
+	asus->lcd_state = 1; /* LCD should be on when the module load */
 	return result;
 }
 
-static int asus_hotk_remove(struct acpi_device *device, int type)
-{
-	kfree(hotk->name);
-	kfree(hotk);
-
-	return 0;
-}
-
-static void asus_backlight_exit(void)
+static int __devinit asus_acpi_add(struct acpi_device *device)
 {
-	if (asus_backlight_device)
-		backlight_device_unregister(asus_backlight_device);
-}
-
-#define  ASUS_LED_UNREGISTER(object)				\
-	if (object##_led.dev)					\
-		led_classdev_unregister(&object##_led)
+	struct asus_laptop *asus;
+	int result;
 
-static void asus_led_exit(void)
-{
-	destroy_workqueue(led_workqueue);
-	ASUS_LED_UNREGISTER(mled);
-	ASUS_LED_UNREGISTER(tled);
-	ASUS_LED_UNREGISTER(pled);
-	ASUS_LED_UNREGISTER(rled);
-	ASUS_LED_UNREGISTER(gled);
-	ASUS_LED_UNREGISTER(kled);
-}
+	pr_notice("Asus Laptop Support version %s\n",
+		  ASUS_LAPTOP_VERSION);
+	asus = kzalloc(sizeof(struct asus_laptop), GFP_KERNEL);
+	if (!asus)
+		return -ENOMEM;
+	asus->handle = device->handle;
+	strcpy(acpi_device_name(device), ASUS_LAPTOP_DEVICE_NAME);
+	strcpy(acpi_device_class(device), ASUS_LAPTOP_CLASS);
+	device->driver_data = asus;
+	asus->device = device;
 
-static void asus_input_exit(void)
-{
-	if (hotk->inputdev)
-		input_unregister_device(hotk->inputdev);
-}
+	result = asus_acpi_init(asus);
+	if (result)
+		goto fail_platform;
 
-static void __exit asus_laptop_exit(void)
-{
-	asus_backlight_exit();
-	asus_led_exit();
-	asus_input_exit();
+	/*
+	 * Register the platform device first.  It is used as a parent for the
+	 * sub-devices below.
+	 */
+	result = asus_platform_init(asus);
+	if (result)
+		goto fail_platform;
 
-	acpi_bus_unregister_driver(&asus_hotk_driver);
-	sysfs_remove_group(&asuspf_device->dev.kobj, &asuspf_attribute_group);
-	platform_device_unregister(asuspf_device);
-	platform_driver_unregister(&asuspf_driver);
-}
+	if (!acpi_video_backlight_support()) {
+		result = asus_backlight_init(asus);
+		if (result)
+			goto fail_backlight;
+	} else
+		pr_info("Backlight controlled by ACPI video driver\n");
 
-static int asus_backlight_init(struct device *dev)
-{
-	struct backlight_device *bd;
+	result = asus_input_init(asus);
+	if (result)
+		goto fail_input;
 
-	if (brightness_set_handle && lcd_switch_handle) {
-		bd = backlight_device_register(ASUS_HOTK_FILE, dev,
-					       NULL, &asusbl_ops);
-		if (IS_ERR(bd)) {
-			pr_err("Could not register asus backlight device\n");
-			asus_backlight_device = NULL;
-			return PTR_ERR(bd);
-		}
+	result = asus_led_init(asus);
+	if (result)
+		goto fail_led;
 
-		asus_backlight_device = bd;
+	result = asus_rfkill_init(asus);
+	if (result)
+		goto fail_rfkill;
 
-		bd->props.max_brightness = 15;
-		bd->props.brightness = read_brightness(NULL);
-		bd->props.power = FB_BLANK_UNBLANK;
-		backlight_update_status(bd);
-	}
+	asus_device_present = true;
 	return 0;
-}
 
-static int asus_led_register(acpi_handle handle,
-			     struct led_classdev *ldev, struct device *dev)
-{
-	if (!handle)
-		return 0;
+fail_rfkill:
+	asus_led_exit(asus);
+fail_led:
+	asus_input_exit(asus);
+fail_input:
+	asus_backlight_exit(asus);
+fail_backlight:
+	asus_platform_exit(asus);
+fail_platform:
+	kfree(asus->name);
+	kfree(asus);
 
-	return led_classdev_register(dev, ldev);
+	return result;
 }
 
-#define ASUS_LED_REGISTER(object, device)				\
-	asus_led_register(object##_set_handle, &object##_led, device)
-
-static int asus_led_init(struct device *dev)
+static int asus_acpi_remove(struct acpi_device *device, int type)
 {
-	int rv;
-
-	rv = ASUS_LED_REGISTER(mled, dev);
-	if (rv)
-		goto out;
-
-	rv = ASUS_LED_REGISTER(tled, dev);
-	if (rv)
-		goto out1;
-
-	rv = ASUS_LED_REGISTER(rled, dev);
-	if (rv)
-		goto out2;
-
-	rv = ASUS_LED_REGISTER(pled, dev);
-	if (rv)
-		goto out3;
-
-	rv = ASUS_LED_REGISTER(gled, dev);
-	if (rv)
-		goto out4;
+	struct asus_laptop *asus = acpi_driver_data(device);
 
-	if (kled_set_handle && kled_get_handle)
-		rv = ASUS_LED_REGISTER(kled, dev);
-	if (rv)
-		goto out5;
-
-	led_workqueue = create_singlethread_workqueue("led_workqueue");
-	if (!led_workqueue)
-		goto out6;
+	asus_backlight_exit(asus);
+	asus_rfkill_exit(asus);
+	asus_led_exit(asus);
+	asus_input_exit(asus);
+	asus_platform_exit(asus);
 
+	kfree(asus->name);
+	kfree(asus);
 	return 0;
-out6:
-	rv = -ENOMEM;
-	ASUS_LED_UNREGISTER(kled);
-out5:
-	ASUS_LED_UNREGISTER(gled);
-out4:
-	ASUS_LED_UNREGISTER(pled);
-out3:
-	ASUS_LED_UNREGISTER(rled);
-out2:
-	ASUS_LED_UNREGISTER(tled);
-out1:
-	ASUS_LED_UNREGISTER(mled);
-out:
-	return rv;
 }
 
+static const struct acpi_device_id asus_device_ids[] = {
+	{"ATK0100", 0},
+	{"ATK0101", 0},
+	{"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, asus_device_ids);
+
+static struct acpi_driver asus_acpi_driver = {
+	.name = ASUS_LAPTOP_NAME,
+	.class = ASUS_LAPTOP_CLASS,
+	.owner = THIS_MODULE,
+	.ids = asus_device_ids,
+	.flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
+	.ops = {
+		.add = asus_acpi_add,
+		.remove = asus_acpi_remove,
+		.notify = asus_acpi_notify,
+		},
+};
+
 static int __init asus_laptop_init(void)
 {
 	int result;
 
-	result = acpi_bus_register_driver(&asus_hotk_driver);
+	result = platform_driver_register(&platform_driver);
 	if (result < 0)
 		return result;
 
-	/*
-	 * This is a bit of a kludge.  We only want this module loaded
-	 * for ASUS systems, but there's currently no way to probe the
-	 * ACPI namespace for ASUS HIDs.  So we just return failure if
-	 * we didn't find one, which will cause the module to be
-	 * unloaded.
-	 */
-	if (!asus_hotk_found) {
-		acpi_bus_unregister_driver(&asus_hotk_driver);
-		return -ENODEV;
-	}
-
-	result = asus_input_init();
-	if (result)
-		goto fail_input;
-
-	/* Register platform stuff */
-	result = platform_driver_register(&asuspf_driver);
-	if (result)
-		goto fail_platform_driver;
-
-	asuspf_device = platform_device_alloc(ASUS_HOTK_FILE, -1);
-	if (!asuspf_device) {
-		result = -ENOMEM;
-		goto fail_platform_device1;
+	result = acpi_bus_register_driver(&asus_acpi_driver);
+	if (result < 0)
+		goto fail_acpi_driver;
+	if (!asus_device_present) {
+		result = -ENODEV;
+		goto fail_no_device;
 	}
-
-	result = platform_device_add(asuspf_device);
-	if (result)
-		goto fail_platform_device2;
-
-	result = sysfs_create_group(&asuspf_device->dev.kobj,
-				    &asuspf_attribute_group);
-	if (result)
-		goto fail_sysfs;
-
-	result = asus_led_init(&asuspf_device->dev);
-	if (result)
-		goto fail_led;
-
-	if (!acpi_video_backlight_support()) {
-		result = asus_backlight_init(&asuspf_device->dev);
-		if (result)
-			goto fail_backlight;
-	} else
-		pr_info("Brightness ignored, must be controlled by "
-		       "ACPI video driver\n");
-
 	return 0;
 
-fail_backlight:
-       asus_led_exit();
-
-fail_led:
-       sysfs_remove_group(&asuspf_device->dev.kobj,
-			  &asuspf_attribute_group);
-
-fail_sysfs:
-	platform_device_del(asuspf_device);
-
-fail_platform_device2:
-	platform_device_put(asuspf_device);
-
-fail_platform_device1:
-	platform_driver_unregister(&asuspf_driver);
-
-fail_platform_driver:
-	asus_input_exit();
-
-fail_input:
-
+fail_no_device:
+	acpi_bus_unregister_driver(&asus_acpi_driver);
+fail_acpi_driver:
+	platform_driver_unregister(&platform_driver);
 	return result;
 }
 
+static void __exit asus_laptop_exit(void)
+{
+	acpi_bus_unregister_driver(&asus_acpi_driver);
+	platform_driver_unregister(&platform_driver);
+}
+
 module_init(asus_laptop_init);
 module_exit(asus_laptop_exit);
diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c
index c1d2aeeea948..ee520357abaa 100644
--- a/drivers/platform/x86/asus_acpi.c
+++ b/drivers/platform/x86/asus_acpi.c
@@ -1225,9 +1225,8 @@ static int asus_model_match(char *model)
 	else if (strncmp(model, "M2N", 3) == 0 ||
 		 strncmp(model, "M3N", 3) == 0 ||
 		 strncmp(model, "M5N", 3) == 0 ||
-		 strncmp(model, "M6N", 3) == 0 ||
 		 strncmp(model, "S1N", 3) == 0 ||
-		 strncmp(model, "S5N", 3) == 0 || strncmp(model, "W1N", 3) == 0)
+		 strncmp(model, "S5N", 3) == 0)
 		return xxN;
 	else if (strncmp(model, "M1", 2) == 0)
 		return M1A;
@@ -1482,6 +1481,7 @@ static void asus_acpi_exit(void)
 
 static int __init asus_acpi_init(void)
 {
+	struct backlight_properties props;
 	int result;
 
 	result = acpi_bus_register_driver(&asus_hotk_driver);
@@ -1508,15 +1508,17 @@ static int __init asus_acpi_init(void)
 		return -ENODEV;
 	}
 
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 15;
 	asus_backlight_device = backlight_device_register("asus", NULL, NULL,
-							  &asus_backlight_data);
+							  &asus_backlight_data,
+							  &props);
 	if (IS_ERR(asus_backlight_device)) {
 		printk(KERN_ERR "Could not register asus backlight device\n");
 		asus_backlight_device = NULL;
 		asus_acpi_exit();
 		return -ENODEV;
 	}
-	asus_backlight_device->props.max_brightness = 15;
 
 	return 0;
 }
diff --git a/drivers/platform/x86/classmate-laptop.c b/drivers/platform/x86/classmate-laptop.c
index 8cb20e45bad6..c696cf1c2616 100644
--- a/drivers/platform/x86/classmate-laptop.c
+++ b/drivers/platform/x86/classmate-laptop.c
@@ -455,18 +455,22 @@ static int cmpc_bl_update_status(struct backlight_device *bd)
 		return -1;
 }
 
-static struct backlight_ops cmpc_bl_ops = {
+static const struct backlight_ops cmpc_bl_ops = {
 	.get_brightness = cmpc_bl_get_brightness,
 	.update_status = cmpc_bl_update_status
 };
 
 static int cmpc_bl_add(struct acpi_device *acpi)
 {
+	struct backlight_properties props;
 	struct backlight_device *bd;
 
-	bd = backlight_device_register("cmpc_bl", &acpi->dev,
-				       acpi->handle, &cmpc_bl_ops);
-	bd->props.max_brightness = 7;
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 7;
+	bd = backlight_device_register("cmpc_bl", &acpi->dev, acpi->handle,
+				       &cmpc_bl_ops, &props);
+	if (IS_ERR(bd))
+		return PTR_ERR(bd);
 	dev_set_drvdata(&acpi->dev, bd);
 	return 0;
 }
@@ -507,6 +511,10 @@ static int cmpc_keys_codes[] = {
 	KEY_BRIGHTNESSDOWN,
 	KEY_BRIGHTNESSUP,
 	KEY_VENDOR,
+	KEY_UNKNOWN,
+	KEY_CAMERA,
+	KEY_BACK,
+	KEY_FORWARD,
 	KEY_MAX
 };
 
diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c
index 2740b40aad9b..71ff1545a93e 100644
--- a/drivers/platform/x86/compal-laptop.c
+++ b/drivers/platform/x86/compal-laptop.c
@@ -291,12 +291,15 @@ static int __init compal_init(void)
 	/* Register backlight stuff */
 
 	if (!acpi_video_backlight_support()) {
-		compalbl_device = backlight_device_register("compal-laptop", NULL, NULL,
-							    &compalbl_ops);
+		struct backlight_properties props;
+		memset(&props, 0, sizeof(struct backlight_properties));
+		props.max_brightness = COMPAL_LCD_LEVEL_MAX - 1;
+		compalbl_device = backlight_device_register("compal-laptop",
+							    NULL, NULL,
+							    &compalbl_ops,
+							    &props);
 		if (IS_ERR(compalbl_device))
 			return PTR_ERR(compalbl_device);
-
-		compalbl_device->props.max_brightness = COMPAL_LCD_LEVEL_MAX-1;
 	}
 
 	ret = platform_driver_register(&compal_driver);
diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
index b7f4d2705916..46435ac4684f 100644
--- a/drivers/platform/x86/dell-laptop.c
+++ b/drivers/platform/x86/dell-laptop.c
@@ -132,8 +132,8 @@ static struct dmi_system_id __devinitdata dell_blacklist[] = {
 };
 
 static struct calling_interface_buffer *buffer;
-struct page *bufferpage;
-DEFINE_MUTEX(buffer_mutex);
+static struct page *bufferpage;
+static DEFINE_MUTEX(buffer_mutex);
 
 static int hwswitch_state;
 
@@ -559,10 +559,14 @@ static int __init dell_init(void)
 	release_buffer();
 
 	if (max_intensity) {
-		dell_backlight_device = backlight_device_register(
-			"dell_backlight",
-			&platform_device->dev, NULL,
-			&dell_ops);
+		struct backlight_properties props;
+		memset(&props, 0, sizeof(struct backlight_properties));
+		props.max_brightness = max_intensity;
+		dell_backlight_device = backlight_device_register("dell_backlight",
+								  &platform_device->dev,
+								  NULL,
+								  &dell_ops,
+								  &props);
 
 		if (IS_ERR(dell_backlight_device)) {
 			ret = PTR_ERR(dell_backlight_device);
@@ -570,7 +574,6 @@ static int __init dell_init(void)
 			goto fail_backlight;
 		}
 
-		dell_backlight_device->props.max_brightness = max_intensity;
 		dell_backlight_device->props.brightness =
 			dell_get_intensity(dell_backlight_device);
 		backlight_update_status(dell_backlight_device);
@@ -580,6 +583,7 @@ static int __init dell_init(void)
 
 fail_backlight:
 	i8042_remove_filter(dell_laptop_i8042_filter);
+	cancel_delayed_work_sync(&dell_rfkill_work);
 fail_filter:
 	dell_cleanup_rfkill();
 fail_rfkill:
@@ -597,12 +601,12 @@ fail_platform_driver:
 
 static void __exit dell_exit(void)
 {
-	cancel_delayed_work_sync(&dell_rfkill_work);
 	i8042_remove_filter(dell_laptop_i8042_filter);
+	cancel_delayed_work_sync(&dell_rfkill_work);
 	backlight_device_unregister(dell_backlight_device);
 	dell_cleanup_rfkill();
 	if (platform_device) {
-		platform_device_del(platform_device);
+		platform_device_unregister(platform_device);
 		platform_driver_unregister(&platform_driver);
 	}
 	kfree(da_tokens);
diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c
index 1b1dddbd5744..bed764e3ea2a 100644
--- a/drivers/platform/x86/dell-wmi.c
+++ b/drivers/platform/x86/dell-wmi.c
@@ -142,7 +142,7 @@ static struct key_entry *dell_wmi_keymap = dell_legacy_wmi_keymap;
 
 static struct input_dev *dell_wmi_input_dev;
 
-static struct key_entry *dell_wmi_get_entry_by_scancode(int code)
+static struct key_entry *dell_wmi_get_entry_by_scancode(unsigned int code)
 {
 	struct key_entry *key;
 
@@ -153,7 +153,7 @@ static struct key_entry *dell_wmi_get_entry_by_scancode(int code)
 	return NULL;
 }
 
-static struct key_entry *dell_wmi_get_entry_by_keycode(int keycode)
+static struct key_entry *dell_wmi_get_entry_by_keycode(unsigned int keycode)
 {
 	struct key_entry *key;
 
@@ -164,8 +164,8 @@ static struct key_entry *dell_wmi_get_entry_by_keycode(int keycode)
 	return NULL;
 }
 
-static int dell_wmi_getkeycode(struct input_dev *dev, int scancode,
-			       int *keycode)
+static int dell_wmi_getkeycode(struct input_dev *dev,
+				unsigned int scancode, unsigned int *keycode)
 {
 	struct key_entry *key = dell_wmi_get_entry_by_scancode(scancode);
 
@@ -177,13 +177,11 @@ static int dell_wmi_getkeycode(struct input_dev *dev, int scancode,
 	return -EINVAL;
 }
 
-static int dell_wmi_setkeycode(struct input_dev *dev, int scancode, int keycode)
+static int dell_wmi_setkeycode(struct input_dev *dev,
+				unsigned int scancode, unsigned int keycode)
 {
 	struct key_entry *key;
-	int old_keycode;
-
-	if (keycode < 0 || keycode > KEY_MAX)
-		return -EINVAL;
+	unsigned int old_keycode;
 
 	key = dell_wmi_get_entry_by_scancode(scancode);
 	if (key && key->type == KE_KEY) {
diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index e2be6bb33d92..3fdf21e0052e 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -578,6 +578,8 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc)
 	struct pci_dev *dev;
 	struct pci_bus *bus;
 	bool blocked = eeepc_wlan_rfkill_blocked(eeepc);
+	bool absent;
+	u32 l;
 
 	if (eeepc->wlan_rfkill)
 		rfkill_set_sw_state(eeepc->wlan_rfkill, blocked);
@@ -591,6 +593,22 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc)
 			goto out_unlock;
 		}
 
+		if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
+			pr_err("Unable to read PCI config space?\n");
+			goto out_unlock;
+		}
+		absent = (l == 0xffffffff);
+
+		if (blocked != absent) {
+			pr_warning("BIOS says wireless lan is %s, "
+					"but the pci device is %s\n",
+				blocked ? "blocked" : "unblocked",
+				absent ? "absent" : "present");
+			pr_warning("skipped wireless hotplug as probably "
+					"inappropriate for this model\n");
+			goto out_unlock;
+		}
+
 		if (!blocked) {
 			dev = pci_get_slot(bus, 0);
 			if (dev) {
@@ -1113,18 +1131,20 @@ static int eeepc_backlight_notify(struct eeepc_laptop *eeepc)
 
 static int eeepc_backlight_init(struct eeepc_laptop *eeepc)
 {
+	struct backlight_properties props;
 	struct backlight_device *bd;
 
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 15;
 	bd = backlight_device_register(EEEPC_LAPTOP_FILE,
-				       &eeepc->platform_device->dev,
-				       eeepc, &eeepcbl_ops);
+				       &eeepc->platform_device->dev, eeepc,
+				       &eeepcbl_ops, &props);
 	if (IS_ERR(bd)) {
 		pr_err("Could not register eeepc backlight device\n");
 		eeepc->backlight_device = NULL;
 		return PTR_ERR(bd);
 	}
 	eeepc->backlight_device = bd;
-	bd->props.max_brightness = 15;
 	bd->props.brightness = read_brightness(bd);
 	bd->props.power = FB_BLANK_UNBLANK;
 	backlight_update_status(bd);
@@ -1277,7 +1297,8 @@ static void eeepc_dmi_check(struct eeepc_laptop *eeepc)
 	 * hotplug code. In fact, current hotplug code seems to unplug another
 	 * device...
 	 */
-	if (strcmp(model, "1005HA") == 0 || strcmp(model, "1201N") == 0) {
+	if (strcmp(model, "1005HA") == 0 || strcmp(model, "1201N") == 0 ||
+	    strcmp(model, "1005PE") == 0) {
 		eeepc->hotplug_disabled = true;
 		pr_info("wlan hotplug disabled\n");
 	}
diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c
new file mode 100644
index 000000000000..2466b7b7fb0e
--- /dev/null
+++ b/drivers/platform/x86/eeepc-wmi.c
@@ -0,0 +1,157 @@
+/*
+ * Eee PC WMI hotkey driver
+ *
+ * Copyright(C) 2010 Intel Corporation.
+ *
+ * Portions based on wistron_btns.c:
+ * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
+ * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
+ * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
+#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
+
+MODULE_AUTHOR("Yong Wang <yong.y.wang@intel.com>");
+MODULE_DESCRIPTION("Eee PC WMI Hotkey Driver");
+MODULE_LICENSE("GPL");
+
+#define EEEPC_WMI_EVENT_GUID	"ABBC0F72-8EA1-11D1-00A0-C90629100000"
+
+MODULE_ALIAS("wmi:"EEEPC_WMI_EVENT_GUID);
+
+#define NOTIFY_BRNUP_MIN	0x11
+#define NOTIFY_BRNUP_MAX	0x1f
+#define NOTIFY_BRNDOWN_MIN	0x20
+#define NOTIFY_BRNDOWN_MAX	0x2e
+
+static const struct key_entry eeepc_wmi_keymap[] = {
+	/* Sleep already handled via generic ACPI code */
+	{ KE_KEY, 0x5d, { KEY_WLAN } },
+	{ KE_KEY, 0x32, { KEY_MUTE } },
+	{ KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
+	{ KE_KEY, 0x30, { KEY_VOLUMEUP } },
+	{ KE_IGNORE, NOTIFY_BRNDOWN_MIN, { KEY_BRIGHTNESSDOWN } },
+	{ KE_IGNORE, NOTIFY_BRNUP_MIN, { KEY_BRIGHTNESSUP } },
+	{ KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } },
+	{ KE_END, 0},
+};
+
+static struct input_dev *eeepc_wmi_input_dev;
+
+static void eeepc_wmi_notify(u32 value, void *context)
+{
+	struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
+	union acpi_object *obj;
+	acpi_status status;
+	int code;
+
+	status = wmi_get_event_data(value, &response);
+	if (status != AE_OK) {
+		pr_err("EEEPC WMI: bad event status 0x%x\n", status);
+		return;
+	}
+
+	obj = (union acpi_object *)response.pointer;
+
+	if (obj && obj->type == ACPI_TYPE_INTEGER) {
+		code = obj->integer.value;
+
+		if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
+			code = NOTIFY_BRNUP_MIN;
+		else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
+			code = NOTIFY_BRNDOWN_MIN;
+
+		if (!sparse_keymap_report_event(eeepc_wmi_input_dev,
+						code, 1, true))
+			pr_info("EEEPC WMI: Unknown key %x pressed\n", code);
+	}
+
+	kfree(obj);
+}
+
+static int eeepc_wmi_input_setup(void)
+{
+	int err;
+
+	eeepc_wmi_input_dev = input_allocate_device();
+	if (!eeepc_wmi_input_dev)
+		return -ENOMEM;
+
+	eeepc_wmi_input_dev->name = "Eee PC WMI hotkeys";
+	eeepc_wmi_input_dev->phys = "wmi/input0";
+	eeepc_wmi_input_dev->id.bustype = BUS_HOST;
+
+	err = sparse_keymap_setup(eeepc_wmi_input_dev, eeepc_wmi_keymap, NULL);
+	if (err)
+		goto err_free_dev;
+
+	err = input_register_device(eeepc_wmi_input_dev);
+	if (err)
+		goto err_free_keymap;
+
+	return 0;
+
+err_free_keymap:
+	sparse_keymap_free(eeepc_wmi_input_dev);
+err_free_dev:
+	input_free_device(eeepc_wmi_input_dev);
+	return err;
+}
+
+static int __init eeepc_wmi_init(void)
+{
+	int err;
+	acpi_status status;
+
+	if (!wmi_has_guid(EEEPC_WMI_EVENT_GUID)) {
+		pr_warning("EEEPC WMI: No known WMI GUID found\n");
+		return -ENODEV;
+	}
+
+	err = eeepc_wmi_input_setup();
+	if (err)
+		return err;
+
+	status = wmi_install_notify_handler(EEEPC_WMI_EVENT_GUID,
+					eeepc_wmi_notify, NULL);
+	if (ACPI_FAILURE(status)) {
+		sparse_keymap_free(eeepc_wmi_input_dev);
+		input_unregister_device(eeepc_wmi_input_dev);
+		pr_err("EEEPC WMI: Unable to register notify handler - %d\n",
+			status);
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static void __exit eeepc_wmi_exit(void)
+{
+	wmi_remove_notify_handler(EEEPC_WMI_EVENT_GUID);
+	sparse_keymap_free(eeepc_wmi_input_dev);
+	input_unregister_device(eeepc_wmi_input_dev);
+}
+
+module_init(eeepc_wmi_init);
+module_exit(eeepc_wmi_exit);
diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c
index 5f3320d468f6..c1074b32490e 100644
--- a/drivers/platform/x86/fujitsu-laptop.c
+++ b/drivers/platform/x86/fujitsu-laptop.c
@@ -1126,16 +1126,20 @@ static int __init fujitsu_init(void)
 	/* Register backlight stuff */
 
 	if (!acpi_video_backlight_support()) {
-		fujitsu->bl_device =
-			backlight_device_register("fujitsu-laptop", NULL, NULL,
-						  &fujitsubl_ops);
+		struct backlight_properties props;
+
+		memset(&props, 0, sizeof(struct backlight_properties));
+		max_brightness = fujitsu->max_brightness;
+		props.max_brightness = max_brightness - 1;
+		fujitsu->bl_device = backlight_device_register("fujitsu-laptop",
+							       NULL, NULL,
+							       &fujitsubl_ops,
+							       &props);
 		if (IS_ERR(fujitsu->bl_device)) {
 			ret = PTR_ERR(fujitsu->bl_device);
 			fujitsu->bl_device = NULL;
 			goto fail_sysfs_group;
 		}
-		max_brightness = fujitsu->max_brightness;
-		fujitsu->bl_device->props.max_brightness = max_brightness - 1;
 		fujitsu->bl_device->props.brightness = fujitsu->brightness_level;
 	}
 
diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 3aa57da8b43b..56086363becc 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -57,7 +57,7 @@ enum hp_wmi_radio {
 	HPWMI_WWAN = 2,
 };
 
-static int __init hp_wmi_bios_setup(struct platform_device *device);
+static int __devinit hp_wmi_bios_setup(struct platform_device *device);
 static int __exit hp_wmi_bios_remove(struct platform_device *device);
 static int hp_wmi_resume_handler(struct device *device);
 
@@ -278,7 +278,7 @@ static DEVICE_ATTR(als, S_IRUGO | S_IWUSR, show_als, set_als);
 static DEVICE_ATTR(dock, S_IRUGO, show_dock, NULL);
 static DEVICE_ATTR(tablet, S_IRUGO, show_tablet, NULL);
 
-static struct key_entry *hp_wmi_get_entry_by_scancode(int code)
+static struct key_entry *hp_wmi_get_entry_by_scancode(unsigned int code)
 {
 	struct key_entry *key;
 
@@ -289,7 +289,7 @@ static struct key_entry *hp_wmi_get_entry_by_scancode(int code)
 	return NULL;
 }
 
-static struct key_entry *hp_wmi_get_entry_by_keycode(int keycode)
+static struct key_entry *hp_wmi_get_entry_by_keycode(unsigned int keycode)
 {
 	struct key_entry *key;
 
@@ -300,7 +300,8 @@ static struct key_entry *hp_wmi_get_entry_by_keycode(int keycode)
 	return NULL;
 }
 
-static int hp_wmi_getkeycode(struct input_dev *dev, int scancode, int *keycode)
+static int hp_wmi_getkeycode(struct input_dev *dev,
+			     unsigned int scancode, unsigned int *keycode)
 {
 	struct key_entry *key = hp_wmi_get_entry_by_scancode(scancode);
 
@@ -312,13 +313,11 @@ static int hp_wmi_getkeycode(struct input_dev *dev, int scancode, int *keycode)
 	return -EINVAL;
 }
 
-static int hp_wmi_setkeycode(struct input_dev *dev, int scancode, int keycode)
+static int hp_wmi_setkeycode(struct input_dev *dev,
+			     unsigned int scancode, unsigned int keycode)
 {
 	struct key_entry *key;
-	int old_keycode;
-
-	if (keycode < 0 || keycode > KEY_MAX)
-		return -EINVAL;
+	unsigned int old_keycode;
 
 	key = hp_wmi_get_entry_by_scancode(scancode);
 	if (key && key->type == KE_KEY) {
@@ -447,7 +446,7 @@ static void cleanup_sysfs(struct platform_device *device)
 	device_remove_file(&device->dev, &dev_attr_tablet);
 }
 
-static int __init hp_wmi_bios_setup(struct platform_device *device)
+static int __devinit hp_wmi_bios_setup(struct platform_device *device)
 {
 	int err;
 	int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c
index 759763d18e4c..996223a7c009 100644
--- a/drivers/platform/x86/msi-laptop.c
+++ b/drivers/platform/x86/msi-laptop.c
@@ -58,6 +58,7 @@
 #include <linux/dmi.h>
 #include <linux/backlight.h>
 #include <linux/platform_device.h>
+#include <linux/rfkill.h>
 
 #define MSI_DRIVER_VERSION "0.5"
 
@@ -66,6 +67,20 @@
 #define MSI_EC_COMMAND_WIRELESS 0x10
 #define MSI_EC_COMMAND_LCD_LEVEL 0x11
 
+#define MSI_STANDARD_EC_COMMAND_ADDRESS	0x2e
+#define MSI_STANDARD_EC_BLUETOOTH_MASK	(1 << 0)
+#define MSI_STANDARD_EC_WEBCAM_MASK	(1 << 1)
+#define MSI_STANDARD_EC_WLAN_MASK	(1 << 3)
+#define MSI_STANDARD_EC_3G_MASK		(1 << 4)
+
+/* For set SCM load flag to disable BIOS fn key */
+#define MSI_STANDARD_EC_SCM_LOAD_ADDRESS	0x2d
+#define MSI_STANDARD_EC_SCM_LOAD_MASK		(1 << 0)
+
+static int msi_laptop_resume(struct platform_device *device);
+
+#define MSI_STANDARD_EC_DEVICES_EXISTS_ADDRESS	0x2f
+
 static int force;
 module_param(force, bool, 0);
 MODULE_PARM_DESC(force, "Force driver load, ignore DMI data");
@@ -74,6 +89,23 @@ static int auto_brightness;
 module_param(auto_brightness, int, 0);
 MODULE_PARM_DESC(auto_brightness, "Enable automatic brightness control (0: disabled; 1: enabled; 2: don't touch)");
 
+static bool old_ec_model;
+static int wlan_s, bluetooth_s, threeg_s;
+static int threeg_exists;
+
+/* Some MSI 3G netbook only have one fn key to control Wlan/Bluetooth/3G,
+ * those netbook will load the SCM (windows app) to disable the original
+ * Wlan/Bluetooth control by BIOS when user press fn key, then control
+ * Wlan/Bluetooth/3G by SCM (software control by OS). Without SCM, user
+ * cann't on/off 3G module on those 3G netbook.
+ * On Linux, msi-laptop driver will do the same thing to disable the
+ * original BIOS control, then might need use HAL or other userland
+ * application to do the software control that simulate with SCM.
+ * e.g. MSI N034 netbook
+ */
+static bool load_scm_model;
+static struct rfkill *rfk_wlan, *rfk_bluetooth, *rfk_threeg;
+
 /* Hardware access */
 
 static int set_lcd_level(int level)
@@ -130,6 +162,35 @@ static int set_auto_brightness(int enable)
 	return ec_transaction(MSI_EC_COMMAND_LCD_LEVEL, wdata, 2, NULL, 0, 1);
 }
 
+static ssize_t set_device_state(const char *buf, size_t count, u8 mask)
+{
+	int status;
+	u8 wdata = 0, rdata;
+	int result;
+
+	if (sscanf(buf, "%i", &status) != 1 || (status < 0 || status > 1))
+		return -EINVAL;
+
+	/* read current device state */
+	result = ec_read(MSI_STANDARD_EC_COMMAND_ADDRESS, &rdata);
+	if (result < 0)
+		return -EINVAL;
+
+	if (!!(rdata & mask) != status) {
+		/* reverse device bit */
+		if (rdata & mask)
+			wdata = rdata & ~mask;
+		else
+			wdata = rdata | mask;
+
+		result = ec_write(MSI_STANDARD_EC_COMMAND_ADDRESS, wdata);
+		if (result < 0)
+			return -EINVAL;
+	}
+
+	return count;
+}
+
 static int get_wireless_state(int *wlan, int *bluetooth)
 {
 	u8 wdata = 0, rdata;
@@ -148,6 +209,38 @@ static int get_wireless_state(int *wlan, int *bluetooth)
 	return 0;
 }
 
+static int get_wireless_state_ec_standard(void)
+{
+	u8 rdata;
+	int result;
+
+	result = ec_read(MSI_STANDARD_EC_COMMAND_ADDRESS, &rdata);
+	if (result < 0)
+		return -1;
+
+	wlan_s = !!(rdata & MSI_STANDARD_EC_WLAN_MASK);
+
+	bluetooth_s = !!(rdata & MSI_STANDARD_EC_BLUETOOTH_MASK);
+
+	threeg_s = !!(rdata & MSI_STANDARD_EC_3G_MASK);
+
+	return 0;
+}
+
+static int get_threeg_exists(void)
+{
+	u8 rdata;
+	int result;
+
+	result = ec_read(MSI_STANDARD_EC_DEVICES_EXISTS_ADDRESS, &rdata);
+	if (result < 0)
+		return -1;
+
+	threeg_exists = !!(rdata & MSI_STANDARD_EC_3G_MASK);
+
+	return 0;
+}
+
 /* Backlight device stuff */
 
 static int bl_get_brightness(struct backlight_device *b)
@@ -176,26 +269,71 @@ static ssize_t show_wlan(struct device *dev,
 
 	int ret, enabled;
 
-	ret = get_wireless_state(&enabled, NULL);
+	if (old_ec_model) {
+		ret = get_wireless_state(&enabled, NULL);
+	} else {
+		ret = get_wireless_state_ec_standard();
+		enabled = wlan_s;
+	}
 	if (ret < 0)
 		return ret;
 
 	return sprintf(buf, "%i\n", enabled);
 }
 
+static ssize_t store_wlan(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	return set_device_state(buf, count, MSI_STANDARD_EC_WLAN_MASK);
+}
+
 static ssize_t show_bluetooth(struct device *dev,
 	struct device_attribute *attr, char *buf)
 {
 
 	int ret, enabled;
 
-	ret = get_wireless_state(NULL, &enabled);
+	if (old_ec_model) {
+		ret = get_wireless_state(NULL, &enabled);
+	} else {
+		ret = get_wireless_state_ec_standard();
+		enabled = bluetooth_s;
+	}
 	if (ret < 0)
 		return ret;
 
 	return sprintf(buf, "%i\n", enabled);
 }
 
+static ssize_t store_bluetooth(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	return set_device_state(buf, count, MSI_STANDARD_EC_BLUETOOTH_MASK);
+}
+
+static ssize_t show_threeg(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+
+	int ret;
+
+	/* old msi ec not support 3G */
+	if (old_ec_model)
+		return -1;
+
+	ret = get_wireless_state_ec_standard();
+	if (ret < 0)
+		return ret;
+
+	return sprintf(buf, "%i\n", threeg_s);
+}
+
+static ssize_t store_threeg(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	return set_device_state(buf, count, MSI_STANDARD_EC_3G_MASK);
+}
+
 static ssize_t show_lcd_level(struct device *dev,
 	struct device_attribute *attr, char *buf)
 {
@@ -258,6 +396,7 @@ static DEVICE_ATTR(lcd_level, 0644, show_lcd_level, store_lcd_level);
 static DEVICE_ATTR(auto_brightness, 0644, show_auto_brightness, store_auto_brightness);
 static DEVICE_ATTR(bluetooth, 0444, show_bluetooth, NULL);
 static DEVICE_ATTR(wlan, 0444, show_wlan, NULL);
+static DEVICE_ATTR(threeg, 0444, show_threeg, NULL);
 
 static struct attribute *msipf_attributes[] = {
 	&dev_attr_lcd_level.attr,
@@ -275,7 +414,8 @@ static struct platform_driver msipf_driver = {
 	.driver = {
 		.name = "msi-laptop-pf",
 		.owner = THIS_MODULE,
-	}
+	},
+	.resume = msi_laptop_resume,
 };
 
 static struct platform_device *msipf_device;
@@ -332,6 +472,192 @@ static struct dmi_system_id __initdata msi_dmi_table[] = {
 	{ }
 };
 
+static struct dmi_system_id __initdata msi_load_scm_models_dmi_table[] = {
+	{
+		.ident = "MSI N034",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR,
+				"MICRO-STAR INTERNATIONAL CO., LTD"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MS-N034"),
+			DMI_MATCH(DMI_CHASSIS_VENDOR,
+			"MICRO-STAR INTERNATIONAL CO., LTD")
+		},
+		.callback = dmi_check_cb
+	},
+	{ }
+};
+
+static int rfkill_bluetooth_set(void *data, bool blocked)
+{
+	/* Do something with blocked...*/
+	/*
+	 * blocked == false is on
+	 * blocked == true is off
+	 */
+	if (blocked)
+		set_device_state("0", 0, MSI_STANDARD_EC_BLUETOOTH_MASK);
+	else
+		set_device_state("1", 0, MSI_STANDARD_EC_BLUETOOTH_MASK);
+
+	return 0;
+}
+
+static int rfkill_wlan_set(void *data, bool blocked)
+{
+	if (blocked)
+		set_device_state("0", 0, MSI_STANDARD_EC_WLAN_MASK);
+	else
+		set_device_state("1", 0, MSI_STANDARD_EC_WLAN_MASK);
+
+	return 0;
+}
+
+static int rfkill_threeg_set(void *data, bool blocked)
+{
+	if (blocked)
+		set_device_state("0", 0, MSI_STANDARD_EC_3G_MASK);
+	else
+		set_device_state("1", 0, MSI_STANDARD_EC_3G_MASK);
+
+	return 0;
+}
+
+static struct rfkill_ops rfkill_bluetooth_ops = {
+	.set_block = rfkill_bluetooth_set
+};
+
+static struct rfkill_ops rfkill_wlan_ops = {
+	.set_block = rfkill_wlan_set
+};
+
+static struct rfkill_ops rfkill_threeg_ops = {
+	.set_block = rfkill_threeg_set
+};
+
+static void rfkill_cleanup(void)
+{
+	if (rfk_bluetooth) {
+		rfkill_unregister(rfk_bluetooth);
+		rfkill_destroy(rfk_bluetooth);
+	}
+
+	if (rfk_threeg) {
+		rfkill_unregister(rfk_threeg);
+		rfkill_destroy(rfk_threeg);
+	}
+
+	if (rfk_wlan) {
+		rfkill_unregister(rfk_wlan);
+		rfkill_destroy(rfk_wlan);
+	}
+}
+
+static int rfkill_init(struct platform_device *sdev)
+{
+	/* add rfkill */
+	int retval;
+
+	rfk_bluetooth = rfkill_alloc("msi-bluetooth", &sdev->dev,
+				RFKILL_TYPE_BLUETOOTH,
+				&rfkill_bluetooth_ops, NULL);
+	if (!rfk_bluetooth) {
+		retval = -ENOMEM;
+		goto err_bluetooth;
+	}
+	retval = rfkill_register(rfk_bluetooth);
+	if (retval)
+		goto err_bluetooth;
+
+	rfk_wlan = rfkill_alloc("msi-wlan", &sdev->dev, RFKILL_TYPE_WLAN,
+				&rfkill_wlan_ops, NULL);
+	if (!rfk_wlan) {
+		retval = -ENOMEM;
+		goto err_wlan;
+	}
+	retval = rfkill_register(rfk_wlan);
+	if (retval)
+		goto err_wlan;
+
+	if (threeg_exists) {
+		rfk_threeg = rfkill_alloc("msi-threeg", &sdev->dev,
+				RFKILL_TYPE_WWAN, &rfkill_threeg_ops, NULL);
+		if (!rfk_threeg) {
+			retval = -ENOMEM;
+			goto err_threeg;
+		}
+		retval = rfkill_register(rfk_threeg);
+		if (retval)
+			goto err_threeg;
+	}
+
+	return 0;
+
+err_threeg:
+	rfkill_destroy(rfk_threeg);
+	if (rfk_wlan)
+		rfkill_unregister(rfk_wlan);
+err_wlan:
+	rfkill_destroy(rfk_wlan);
+	if (rfk_bluetooth)
+		rfkill_unregister(rfk_bluetooth);
+err_bluetooth:
+	rfkill_destroy(rfk_bluetooth);
+
+	return retval;
+}
+
+static int msi_laptop_resume(struct platform_device *device)
+{
+	u8 data;
+	int result;
+
+	if (!load_scm_model)
+		return 0;
+
+	/* set load SCM to disable hardware control by fn key */
+	result = ec_read(MSI_STANDARD_EC_SCM_LOAD_ADDRESS, &data);
+	if (result < 0)
+		return result;
+
+	result = ec_write(MSI_STANDARD_EC_SCM_LOAD_ADDRESS,
+		data | MSI_STANDARD_EC_SCM_LOAD_MASK);
+	if (result < 0)
+		return result;
+
+	return 0;
+}
+
+static int load_scm_model_init(struct platform_device *sdev)
+{
+	u8 data;
+	int result;
+
+	/* allow userland write sysfs file  */
+	dev_attr_bluetooth.store = store_bluetooth;
+	dev_attr_wlan.store = store_wlan;
+	dev_attr_threeg.store = store_threeg;
+	dev_attr_bluetooth.attr.mode |= S_IWUSR;
+	dev_attr_wlan.attr.mode |= S_IWUSR;
+	dev_attr_threeg.attr.mode |= S_IWUSR;
+
+	/* disable hardware control by fn key */
+	result = ec_read(MSI_STANDARD_EC_SCM_LOAD_ADDRESS, &data);
+	if (result < 0)
+		return result;
+
+	result = ec_write(MSI_STANDARD_EC_SCM_LOAD_ADDRESS,
+		data | MSI_STANDARD_EC_SCM_LOAD_MASK);
+	if (result < 0)
+		return result;
+
+	/* initial rfkill */
+	result = rfkill_init(sdev);
+	if (result < 0)
+		return result;
+
+	return 0;
+}
+
 static int __init msi_init(void)
 {
 	int ret;
@@ -339,8 +665,14 @@ static int __init msi_init(void)
 	if (acpi_disabled)
 		return -ENODEV;
 
-	if (!force && !dmi_check_system(msi_dmi_table))
-		return -ENODEV;
+	if (force || dmi_check_system(msi_dmi_table))
+		old_ec_model = 1;
+
+	if (!old_ec_model)
+		get_threeg_exists();
+
+	if (!old_ec_model && dmi_check_system(msi_load_scm_models_dmi_table))
+		load_scm_model = 1;
 
 	if (auto_brightness < 0 || auto_brightness > 2)
 		return -EINVAL;
@@ -351,11 +683,14 @@ static int __init msi_init(void)
 		printk(KERN_INFO "MSI: Brightness ignored, must be controlled "
 		       "by ACPI video driver\n");
 	} else {
+		struct backlight_properties props;
+		memset(&props, 0, sizeof(struct backlight_properties));
+		props.max_brightness = MSI_LCD_LEVEL_MAX - 1;
 		msibl_device = backlight_device_register("msi-laptop-bl", NULL,
-							 NULL, &msibl_ops);
+							 NULL, &msibl_ops,
+							 &props);
 		if (IS_ERR(msibl_device))
 			return PTR_ERR(msibl_device);
-		msibl_device->props.max_brightness = MSI_LCD_LEVEL_MAX-1;
 	}
 
 	ret = platform_driver_register(&msipf_driver);
@@ -374,10 +709,23 @@ static int __init msi_init(void)
 	if (ret)
 		goto fail_platform_device1;
 
+	if (load_scm_model && (load_scm_model_init(msipf_device) < 0)) {
+		ret = -EINVAL;
+		goto fail_platform_device1;
+	}
+
 	ret = sysfs_create_group(&msipf_device->dev.kobj, &msipf_attribute_group);
 	if (ret)
 		goto fail_platform_device2;
 
+	if (!old_ec_model) {
+		if (threeg_exists)
+			ret = device_create_file(&msipf_device->dev,
+						&dev_attr_threeg);
+		if (ret)
+			goto fail_platform_device2;
+	}
+
 	/* Disable automatic brightness control by default because
 	 * this module was probably loaded to do brightness control in
 	 * software. */
@@ -412,10 +760,14 @@ static void __exit msi_cleanup(void)
 {
 
 	sysfs_remove_group(&msipf_device->dev.kobj, &msipf_attribute_group);
+	if (!old_ec_model && threeg_exists)
+		device_remove_file(&msipf_device->dev, &dev_attr_threeg);
 	platform_device_unregister(msipf_device);
 	platform_driver_unregister(&msipf_driver);
 	backlight_device_unregister(msibl_device);
 
+	rfkill_cleanup();
+
 	/* Enable automatic brightness control again */
 	if (auto_brightness != 2)
 		set_auto_brightness(1);
@@ -435,3 +787,4 @@ MODULE_ALIAS("dmi:*:svnMICRO-STARINT'LCO.,LTD:pnMS-1013:pvr0131*:cvnMICRO-STARIN
 MODULE_ALIAS("dmi:*:svnMicro-StarInternational:pnMS-1058:pvr0581:rvnMSI:rnMS-1058:*:ct10:*");
 MODULE_ALIAS("dmi:*:svnMicro-StarInternational:pnMS-1412:*:rvnMSI:rnMS-1412:*:cvnMICRO-STARINT'LCO.,LTD:ct10:*");
 MODULE_ALIAS("dmi:*:svnNOTEBOOK:pnSAM2000:pvr0131*:cvnMICRO-STARINT'LCO.,LTD:ct10:*");
+MODULE_ALIAS("dmi:*:svnMICRO-STARINTERNATIONAL*:pnMS-N034:*");
diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c
index f5f70d4c6913..367caaae2f3c 100644
--- a/drivers/platform/x86/msi-wmi.c
+++ b/drivers/platform/x86/msi-wmi.c
@@ -138,7 +138,7 @@ static int bl_set_status(struct backlight_device *bd)
 	return msi_wmi_set_block(0, backlight_map[bright]);
 }
 
-static struct backlight_ops msi_backlight_ops = {
+static const struct backlight_ops msi_backlight_ops = {
 	.get_brightness	= bl_get,
 	.update_status	= bl_set_status,
 };
@@ -249,12 +249,17 @@ static int __init msi_wmi_init(void)
 		goto err_uninstall_notifier;
 
 	if (!acpi_video_backlight_support()) {
-		backlight = backlight_device_register(DRV_NAME,
-				NULL, NULL, &msi_backlight_ops);
-		if (IS_ERR(backlight))
+		struct backlight_properties props;
+		memset(&props, 0, sizeof(struct backlight_properties));
+		props.max_brightness = ARRAY_SIZE(backlight_map) - 1;
+		backlight = backlight_device_register(DRV_NAME, NULL, NULL,
+						      &msi_backlight_ops,
+						      &props);
+		if (IS_ERR(backlight)) {
+			err = PTR_ERR(backlight);
 			goto err_free_input;
+		}
 
-		backlight->props.max_brightness = ARRAY_SIZE(backlight_map) - 1;
 		err = bl_get(NULL);
 		if (err < 0)
 			goto err_free_backlight;
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index fe7cf0188acc..726f02affcb6 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -200,7 +200,7 @@ static struct acpi_driver acpi_pcc_driver = {
 };
 
 #define KEYMAP_SIZE		11
-static const int initial_keymap[KEYMAP_SIZE] = {
+static const unsigned int initial_keymap[KEYMAP_SIZE] = {
 	/*  0 */ KEY_RESERVED,
 	/*  1 */ KEY_BRIGHTNESSDOWN,
 	/*  2 */ KEY_BRIGHTNESSUP,
@@ -222,7 +222,7 @@ struct pcc_acpi {
 	struct acpi_device	*device;
 	struct input_dev	*input_dev;
 	struct backlight_device	*backlight;
-	int			keymap[KEYMAP_SIZE];
+	unsigned int		keymap[KEYMAP_SIZE];
 };
 
 struct pcc_keyinput {
@@ -352,7 +352,7 @@ static int bl_set_status(struct backlight_device *bd)
 	return acpi_pcc_write_sset(pcc, SINF_DC_CUR_BRIGHT, bright);
 }
 
-static struct backlight_ops pcc_backlight_ops = {
+static const struct backlight_ops pcc_backlight_ops = {
 	.get_brightness	= bl_get,
 	.update_status	= bl_set_status,
 };
@@ -445,7 +445,8 @@ static struct attribute_group pcc_attr_group = {
 
 /* hotkey input device driver */
 
-static int pcc_getkeycode(struct input_dev *dev, int scancode, int *keycode)
+static int pcc_getkeycode(struct input_dev *dev,
+			  unsigned int scancode, unsigned int *keycode)
 {
 	struct pcc_acpi *pcc = input_get_drvdata(dev);
 
@@ -457,7 +458,7 @@ static int pcc_getkeycode(struct input_dev *dev, int scancode, int *keycode)
 	return 0;
 }
 
-static int keymap_get_by_keycode(struct pcc_acpi *pcc, int keycode)
+static int keymap_get_by_keycode(struct pcc_acpi *pcc, unsigned int keycode)
 {
 	int i;
 
@@ -469,7 +470,8 @@ static int keymap_get_by_keycode(struct pcc_acpi *pcc, int keycode)
 	return 0;
 }
 
-static int pcc_setkeycode(struct input_dev *dev, int scancode, int keycode)
+static int pcc_setkeycode(struct input_dev *dev,
+			  unsigned int scancode, unsigned int keycode)
 {
 	struct pcc_acpi *pcc = input_get_drvdata(dev);
 	int oldkeycode;
@@ -477,9 +479,6 @@ static int pcc_setkeycode(struct input_dev *dev, int scancode, int keycode)
 	if (scancode >= ARRAY_SIZE(pcc->keymap))
 		return -EINVAL;
 
-	if (keycode < 0 || keycode > KEY_MAX)
-		return -EINVAL;
-
 	oldkeycode = pcc->keymap[scancode];
 	pcc->keymap[scancode] = keycode;
 
@@ -601,6 +600,7 @@ static int acpi_pcc_hotkey_resume(struct acpi_device *device)
 
 static int acpi_pcc_hotkey_add(struct acpi_device *device)
 {
+	struct backlight_properties props;
 	struct pcc_acpi *pcc;
 	int num_sifr, result;
 
@@ -638,24 +638,25 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
 	if (result) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
 				  "Error installing keyinput handler\n"));
-		goto out_sinf;
+		goto out_hotkey;
 	}
 
-	/* initialize backlight */
-	pcc->backlight = backlight_device_register("panasonic", NULL, pcc,
-						   &pcc_backlight_ops);
-	if (IS_ERR(pcc->backlight))
-		goto out_input;
-
 	if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf)) {
 		ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
 				 "Couldn't retrieve BIOS data\n"));
-		goto out_backlight;
+		goto out_input;
+	}
+	/* initialize backlight */
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = pcc->sinf[SINF_AC_MAX_BRIGHT];
+	pcc->backlight = backlight_device_register("panasonic", NULL, pcc,
+						   &pcc_backlight_ops, &props);
+	if (IS_ERR(pcc->backlight)) {
+		result = PTR_ERR(pcc->backlight);
+		goto out_sinf;
 	}
 
 	/* read the initial brightness setting from the hardware */
-	pcc->backlight->props.max_brightness =
-					pcc->sinf[SINF_AC_MAX_BRIGHT];
 	pcc->backlight->props.brightness = pcc->sinf[SINF_AC_CUR_BRIGHT];
 
 	/* read the initial sticky key mode from the hardware */
@@ -670,12 +671,12 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
 
 out_backlight:
 	backlight_device_unregister(pcc->backlight);
+out_sinf:
+	kfree(pcc->sinf);
 out_input:
 	input_unregister_device(pcc->input_dev);
 	/* no need to input_free_device() since core input API refcount and
 	 * free()s the device */
-out_sinf:
-	kfree(pcc->sinf);
 out_hotkey:
 	kfree(pcc);
 
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 3f71a605a492..6553b91caaa4 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -145,7 +145,7 @@ struct sony_laptop_input_s {
 	struct input_dev	*key_dev;
 	struct kfifo		fifo;
 	spinlock_t		fifo_lock;
-	struct workqueue_struct	*wq;
+	struct timer_list	release_key_timer;
 };
 
 static struct sony_laptop_input_s sony_laptop_input = {
@@ -299,20 +299,26 @@ static int sony_laptop_input_keycode_map[] = {
 };
 
 /* release buttons after a short delay if pressed */
-static void do_sony_laptop_release_key(struct work_struct *work)
+static void do_sony_laptop_release_key(unsigned long unused)
 {
 	struct sony_laptop_keypress kp;
+	unsigned long flags;
+
+	spin_lock_irqsave(&sony_laptop_input.fifo_lock, flags);
 
-	while (kfifo_out_locked(&sony_laptop_input.fifo, (unsigned char *)&kp,
-			sizeof(kp), &sony_laptop_input.fifo_lock)
-			== sizeof(kp)) {
-		msleep(10);
+	if (kfifo_out(&sony_laptop_input.fifo,
+		      (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
 		input_report_key(kp.dev, kp.key, 0);
 		input_sync(kp.dev);
 	}
+
+	/* If there is something in the fifo schedule next release. */
+	if (kfifo_len(&sony_laptop_input.fifo) != 0)
+		mod_timer(&sony_laptop_input.release_key_timer,
+			  jiffies + msecs_to_jiffies(10));
+
+	spin_unlock_irqrestore(&sony_laptop_input.fifo_lock, flags);
 }
-static DECLARE_WORK(sony_laptop_release_key_work,
-		do_sony_laptop_release_key);
 
 /* forward event to the input subsystem */
 static void sony_laptop_report_input_event(u8 event)
@@ -366,13 +372,13 @@ static void sony_laptop_report_input_event(u8 event)
 		/* we emit the scancode so we can always remap the key */
 		input_event(kp.dev, EV_MSC, MSC_SCAN, event);
 		input_sync(kp.dev);
-		kfifo_in_locked(&sony_laptop_input.fifo,
-			  (unsigned char *)&kp, sizeof(kp),
-			  &sony_laptop_input.fifo_lock);
 
-		if (!work_pending(&sony_laptop_release_key_work))
-			queue_work(sony_laptop_input.wq,
-					&sony_laptop_release_key_work);
+		/* schedule key release */
+		kfifo_in_locked(&sony_laptop_input.fifo,
+				(unsigned char *)&kp, sizeof(kp),
+				&sony_laptop_input.fifo_lock);
+		mod_timer(&sony_laptop_input.release_key_timer,
+			  jiffies + msecs_to_jiffies(10));
 	} else
 		dprintk("unknown input event %.2x\n", event);
 }
@@ -390,27 +396,21 @@ static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 
 	/* kfifo */
 	spin_lock_init(&sony_laptop_input.fifo_lock);
-	error =
-	 kfifo_alloc(&sony_laptop_input.fifo, SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
+	error = kfifo_alloc(&sony_laptop_input.fifo,
+			    SONY_LAPTOP_BUF_SIZE, GFP_KERNEL);
 	if (error) {
 		printk(KERN_ERR DRV_PFX "kfifo_alloc failed\n");
 		goto err_dec_users;
 	}
 
-	/* init workqueue */
-	sony_laptop_input.wq = create_singlethread_workqueue("sony-laptop");
-	if (!sony_laptop_input.wq) {
-		printk(KERN_ERR DRV_PFX
-				"Unable to create workqueue.\n");
-		error = -ENXIO;
-		goto err_free_kfifo;
-	}
+	setup_timer(&sony_laptop_input.release_key_timer,
+		    do_sony_laptop_release_key, 0);
 
 	/* input keys */
 	key_dev = input_allocate_device();
 	if (!key_dev) {
 		error = -ENOMEM;
-		goto err_destroy_wq;
+		goto err_free_kfifo;
 	}
 
 	key_dev->name = "Sony Vaio Keys";
@@ -419,18 +419,15 @@ static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 	key_dev->dev.parent = &acpi_device->dev;
 
 	/* Initialize the Input Drivers: special keys */
-	set_bit(EV_KEY, key_dev->evbit);
-	set_bit(EV_MSC, key_dev->evbit);
-	set_bit(MSC_SCAN, key_dev->mscbit);
+	input_set_capability(key_dev, EV_MSC, MSC_SCAN);
+
+	__set_bit(EV_KEY, key_dev->evbit);
 	key_dev->keycodesize = sizeof(sony_laptop_input_keycode_map[0]);
 	key_dev->keycodemax = ARRAY_SIZE(sony_laptop_input_keycode_map);
 	key_dev->keycode = &sony_laptop_input_keycode_map;
-	for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++) {
-		if (sony_laptop_input_keycode_map[i] != KEY_RESERVED) {
-			set_bit(sony_laptop_input_keycode_map[i],
-				key_dev->keybit);
-		}
-	}
+	for (i = 0; i < ARRAY_SIZE(sony_laptop_input_keycode_map); i++)
+		__set_bit(sony_laptop_input_keycode_map[i], key_dev->keybit);
+	__clear_bit(KEY_RESERVED, key_dev->keybit);
 
 	error = input_register_device(key_dev);
 	if (error)
@@ -450,9 +447,8 @@ static int sony_laptop_setup_input(struct acpi_device *acpi_device)
 	jog_dev->id.vendor = PCI_VENDOR_ID_SONY;
 	key_dev->dev.parent = &acpi_device->dev;
 
-	jog_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REL);
-	jog_dev->keybit[BIT_WORD(BTN_MOUSE)] = BIT_MASK(BTN_MIDDLE);
-	jog_dev->relbit[0] = BIT_MASK(REL_WHEEL);
+	input_set_capability(jog_dev, EV_KEY, BTN_MIDDLE);
+	input_set_capability(jog_dev, EV_REL, REL_WHEEL);
 
 	error = input_register_device(jog_dev);
 	if (error)
@@ -473,9 +469,6 @@ err_unregister_keydev:
 err_free_keydev:
 	input_free_device(key_dev);
 
-err_destroy_wq:
-	destroy_workqueue(sony_laptop_input.wq);
-
 err_free_kfifo:
 	kfifo_free(&sony_laptop_input.fifo);
 
@@ -486,12 +479,23 @@ err_dec_users:
 
 static void sony_laptop_remove_input(void)
 {
-	/* cleanup only after the last user has gone */
+	struct sony_laptop_keypress kp = { NULL };
+
+	/* Cleanup only after the last user has gone */
 	if (!atomic_dec_and_test(&sony_laptop_input.users))
 		return;
 
-	/* flush workqueue first */
-	flush_workqueue(sony_laptop_input.wq);
+	del_timer_sync(&sony_laptop_input.release_key_timer);
+
+	/*
+	 * Generate key-up events for remaining keys. Note that we don't
+	 * need locking since nobody is adding new events to the kfifo.
+	 */
+	while (kfifo_out(&sony_laptop_input.fifo,
+			 (unsigned char *)&kp, sizeof(kp)) == sizeof(kp)) {
+		input_report_key(kp.dev, kp.key, 0);
+		input_sync(kp.dev);
+	}
 
 	/* destroy input devs */
 	input_unregister_device(sony_laptop_input.key_dev);
@@ -502,7 +506,6 @@ static void sony_laptop_remove_input(void)
 		sony_laptop_input.jog_dev = NULL;
 	}
 
-	destroy_workqueue(sony_laptop_input.wq);
 	kfifo_free(&sony_laptop_input.fifo);
 }
 
@@ -1288,9 +1291,13 @@ static int sony_nc_add(struct acpi_device *device)
 		       "controlled by ACPI video driver\n");
 	} else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
 						&handle))) {
+							struct backlight_properties props;
+		memset(&props, 0, sizeof(struct backlight_properties));
+		props.max_brightness = SONY_MAX_BRIGHTNESS - 1;
 		sony_backlight_device = backlight_device_register("sony", NULL,
 								  NULL,
-								  &sony_backlight_ops);
+								  &sony_backlight_ops,
+								  &props);
 
 		if (IS_ERR(sony_backlight_device)) {
 			printk(KERN_WARNING DRV_PFX "unable to register backlight device\n");
@@ -1299,8 +1306,6 @@ static int sony_nc_add(struct acpi_device *device)
 			sony_backlight_device->props.brightness =
 			    sony_backlight_get_brightness
 			    (sony_backlight_device);
-			sony_backlight_device->props.max_brightness =
-			    SONY_MAX_BRIGHTNESS - 1;
 		}
 
 	}
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index eb603f1d55ca..770b85327f84 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -286,6 +286,7 @@ struct ibm_init_struct {
 	char param[32];
 
 	int (*init) (struct ibm_init_struct *);
+	mode_t base_procfs_mode;
 	struct ibm_struct *data;
 };
 
@@ -1667,7 +1668,7 @@ static void tpacpi_remove_driver_attributes(struct device_driver *drv)
  * Table of recommended minimum BIOS versions
  *
  * Reasons for listing:
- *    1. Stable BIOS, listed because the unknown ammount of
+ *    1. Stable BIOS, listed because the unknown amount of
  *       bugs and bad ACPI behaviour on older versions
  *
  *    2. BIOS or EC fw with known bugs that trigger on Linux
@@ -2082,6 +2083,7 @@ static struct attribute_set *hotkey_dev_attributes;
 
 static void tpacpi_driver_event(const unsigned int hkey_event);
 static void hotkey_driver_event(const unsigned int scancode);
+static void hotkey_poll_setup(const bool may_warn);
 
 /* HKEY.MHKG() return bits */
 #define TP_HOTKEY_TABLET_MASK (1 << 3)
@@ -2264,6 +2266,8 @@ static int tpacpi_hotkey_driver_mask_set(const u32 mask)
 
 	rc = hotkey_mask_set((hotkey_acpi_mask | hotkey_driver_mask) &
 							~hotkey_source_mask);
+	hotkey_poll_setup(true);
+
 	mutex_unlock(&hotkey_mutex);
 
 	return rc;
@@ -2548,7 +2552,7 @@ static void hotkey_poll_stop_sync(void)
 }
 
 /* call with hotkey_mutex held */
-static void hotkey_poll_setup(bool may_warn)
+static void hotkey_poll_setup(const bool may_warn)
 {
 	const u32 poll_driver_mask = hotkey_driver_mask & hotkey_source_mask;
 	const u32 poll_user_mask = hotkey_user_mask & hotkey_source_mask;
@@ -2579,7 +2583,7 @@ static void hotkey_poll_setup(bool may_warn)
 	}
 }
 
-static void hotkey_poll_setup_safe(bool may_warn)
+static void hotkey_poll_setup_safe(const bool may_warn)
 {
 	mutex_lock(&hotkey_mutex);
 	hotkey_poll_setup(may_warn);
@@ -2597,7 +2601,11 @@ static void hotkey_poll_set_freq(unsigned int freq)
 
 #else /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */
 
-static void hotkey_poll_setup_safe(bool __unused)
+static void hotkey_poll_setup(const bool __unused)
+{
+}
+
+static void hotkey_poll_setup_safe(const bool __unused)
 {
 }
 
@@ -2607,16 +2615,11 @@ static int hotkey_inputdev_open(struct input_dev *dev)
 {
 	switch (tpacpi_lifecycle) {
 	case TPACPI_LIFE_INIT:
-		/*
-		 * hotkey_init will call hotkey_poll_setup_safe
-		 * at the appropriate moment
-		 */
-		return 0;
-	case TPACPI_LIFE_EXITING:
-		return -EBUSY;
 	case TPACPI_LIFE_RUNNING:
 		hotkey_poll_setup_safe(false);
 		return 0;
+	case TPACPI_LIFE_EXITING:
+		return -EBUSY;
 	}
 
 	/* Should only happen if tpacpi_lifecycle is corrupt */
@@ -2627,7 +2630,7 @@ static int hotkey_inputdev_open(struct input_dev *dev)
 static void hotkey_inputdev_close(struct input_dev *dev)
 {
 	/* disable hotkey polling when possible */
-	if (tpacpi_lifecycle == TPACPI_LIFE_RUNNING &&
+	if (tpacpi_lifecycle != TPACPI_LIFE_EXITING &&
 	    !(hotkey_source_mask & hotkey_driver_mask))
 		hotkey_poll_setup_safe(false);
 }
@@ -3655,13 +3658,19 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
 			break;
 		case 3:
 			/* 0x3000-0x3FFF: bay-related wakeups */
-			if (hkey == TP_HKEY_EV_BAYEJ_ACK) {
+			switch (hkey) {
+			case TP_HKEY_EV_BAYEJ_ACK:
 				hotkey_autosleep_ack = 1;
 				printk(TPACPI_INFO
 				       "bay ejected\n");
 				hotkey_wakeup_hotunplug_complete_notify_change();
 				known_ev = true;
-			} else {
+				break;
+			case TP_HKEY_EV_OPTDRV_EJ:
+				/* FIXME: kick libata if SATA link offline */
+				known_ev = true;
+				break;
+			default:
 				known_ev = false;
 			}
 			break;
@@ -3870,7 +3879,7 @@ enum {
 	TP_ACPI_BLUETOOTH_HWPRESENT	= 0x01,	/* Bluetooth hw available */
 	TP_ACPI_BLUETOOTH_RADIOSSW	= 0x02,	/* Bluetooth radio enabled */
 	TP_ACPI_BLUETOOTH_RESUMECTRL	= 0x04,	/* Bluetooth state at resume:
-						   off / last state */
+						   0 = disable, 1 = enable */
 };
 
 enum {
@@ -3916,10 +3925,11 @@ static int bluetooth_set_status(enum tpacpi_rfkill_state state)
 	}
 #endif
 
-	/* We make sure to keep TP_ACPI_BLUETOOTH_RESUMECTRL off */
-	status = TP_ACPI_BLUETOOTH_RESUMECTRL;
 	if (state == TPACPI_RFK_RADIO_ON)
-		status |= TP_ACPI_BLUETOOTH_RADIOSSW;
+		status = TP_ACPI_BLUETOOTH_RADIOSSW
+			  | TP_ACPI_BLUETOOTH_RESUMECTRL;
+	else
+		status = 0;
 
 	if (!acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status))
 		return -EIO;
@@ -4070,7 +4080,7 @@ enum {
 	TP_ACPI_WANCARD_HWPRESENT	= 0x01,	/* Wan hw available */
 	TP_ACPI_WANCARD_RADIOSSW	= 0x02,	/* Wan radio enabled */
 	TP_ACPI_WANCARD_RESUMECTRL	= 0x04,	/* Wan state at resume:
-						   off / last state */
+						   0 = disable, 1 = enable */
 };
 
 #define TPACPI_RFK_WWAN_SW_NAME		"tpacpi_wwan_sw"
@@ -4107,10 +4117,11 @@ static int wan_set_status(enum tpacpi_rfkill_state state)
 	}
 #endif
 
-	/* We make sure to set TP_ACPI_WANCARD_RESUMECTRL */
-	status = TP_ACPI_WANCARD_RESUMECTRL;
 	if (state == TPACPI_RFK_RADIO_ON)
-		status |= TP_ACPI_WANCARD_RADIOSSW;
+		status = TP_ACPI_WANCARD_RADIOSSW
+			 | TP_ACPI_WANCARD_RESUMECTRL;
+	else
+		status = 0;
 
 	if (!acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status))
 		return -EIO;
@@ -4619,6 +4630,10 @@ static int video_read(struct seq_file *m)
 		return 0;
 	}
 
+	/* Even reads can crash X.org, so... */
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
 	status = video_outputsw_get();
 	if (status < 0)
 		return status;
@@ -4652,6 +4667,10 @@ static int video_write(char *buf)
 	if (video_supported == TPACPI_VIDEO_NONE)
 		return -ENODEV;
 
+	/* Even reads can crash X.org, let alone writes... */
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
 	enable = 0;
 	disable = 0;
 
@@ -6133,13 +6152,13 @@ static const struct tpacpi_quirk brightness_quirk_table[] __initconst = {
 	TPACPI_Q_IBM('1', 'Y', TPACPI_BRGHT_Q_EC),	/* T43/p ATI */
 
 	/* Models with ATI GPUs that can use ECNVRAM */
-	TPACPI_Q_IBM('1', 'R', TPACPI_BRGHT_Q_EC),
+	TPACPI_Q_IBM('1', 'R', TPACPI_BRGHT_Q_EC),	/* R50,51 T40-42 */
 	TPACPI_Q_IBM('1', 'Q', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
-	TPACPI_Q_IBM('7', '6', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
+	TPACPI_Q_IBM('7', '6', TPACPI_BRGHT_Q_EC),	/* R52 */
 	TPACPI_Q_IBM('7', '8', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
 
 	/* Models with Intel Extreme Graphics 2 */
-	TPACPI_Q_IBM('1', 'U', TPACPI_BRGHT_Q_NOEC),
+	TPACPI_Q_IBM('1', 'U', TPACPI_BRGHT_Q_NOEC),	/* X40 */
 	TPACPI_Q_IBM('1', 'V', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
 	TPACPI_Q_IBM('1', 'W', TPACPI_BRGHT_Q_ASK|TPACPI_BRGHT_Q_EC),
 
@@ -6151,6 +6170,7 @@ static const struct tpacpi_quirk brightness_quirk_table[] __initconst = {
 
 static int __init brightness_init(struct ibm_init_struct *iibm)
 {
+	struct backlight_properties props;
 	int b;
 	unsigned long quirks;
 
@@ -6240,9 +6260,12 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 		printk(TPACPI_INFO
 		       "detected a 16-level brightness capable ThinkPad\n");
 
-	ibm_backlight_device = backlight_device_register(
-					TPACPI_BACKLIGHT_DEV_NAME, NULL, NULL,
-					&ibm_backlight_data);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = (tp_features.bright_16levels) ? 15 : 7;
+	ibm_backlight_device = backlight_device_register(TPACPI_BACKLIGHT_DEV_NAME,
+							 NULL, NULL,
+							 &ibm_backlight_data,
+							 &props);
 	if (IS_ERR(ibm_backlight_device)) {
 		int rc = PTR_ERR(ibm_backlight_device);
 		ibm_backlight_device = NULL;
@@ -6261,8 +6284,6 @@ static int __init brightness_init(struct ibm_init_struct *iibm)
 			"or not on your ThinkPad\n", TPACPI_MAIL);
 	}
 
-	ibm_backlight_device->props.max_brightness =
-				(tp_features.bright_16levels)? 15 : 7;
 	ibm_backlight_device->props.brightness = b & TP_EC_BACKLIGHT_LVLMSK;
 	backlight_update_status(ibm_backlight_device);
 
@@ -6522,7 +6543,8 @@ static int volume_set_status(const u8 status)
 	return volume_set_status_ec(status);
 }
 
-static int volume_set_mute_ec(const bool mute)
+/* returns < 0 on error, 0 on no change, 1 on change */
+static int __volume_set_mute_ec(const bool mute)
 {
 	int rc;
 	u8 s, n;
@@ -6537,22 +6559,37 @@ static int volume_set_mute_ec(const bool mute)
 	n = (mute) ? s | TP_EC_AUDIO_MUTESW_MSK :
 		     s & ~TP_EC_AUDIO_MUTESW_MSK;
 
-	if (n != s)
+	if (n != s) {
 		rc = volume_set_status_ec(n);
+		if (!rc)
+			rc = 1;
+	}
 
 unlock:
 	mutex_unlock(&volume_mutex);
 	return rc;
 }
 
+static int volume_alsa_set_mute(const bool mute)
+{
+	dbg_printk(TPACPI_DBG_MIXER, "ALSA: trying to %smute\n",
+		   (mute) ? "" : "un");
+	return __volume_set_mute_ec(mute);
+}
+
 static int volume_set_mute(const bool mute)
 {
+	int rc;
+
 	dbg_printk(TPACPI_DBG_MIXER, "trying to %smute\n",
 		   (mute) ? "" : "un");
-	return volume_set_mute_ec(mute);
+
+	rc = __volume_set_mute_ec(mute);
+	return (rc < 0) ? rc : 0;
 }
 
-static int volume_set_volume_ec(const u8 vol)
+/* returns < 0 on error, 0 on no change, 1 on change */
+static int __volume_set_volume_ec(const u8 vol)
 {
 	int rc;
 	u8 s, n;
@@ -6569,19 +6606,22 @@ static int volume_set_volume_ec(const u8 vol)
 
 	n = (s & ~TP_EC_AUDIO_LVL_MSK) | vol;
 
-	if (n != s)
+	if (n != s) {
 		rc = volume_set_status_ec(n);
+		if (!rc)
+			rc = 1;
+	}
 
 unlock:
 	mutex_unlock(&volume_mutex);
 	return rc;
 }
 
-static int volume_set_volume(const u8 vol)
+static int volume_alsa_set_volume(const u8 vol)
 {
 	dbg_printk(TPACPI_DBG_MIXER,
-		   "trying to set volume level to %hu\n", vol);
-	return volume_set_volume_ec(vol);
+		   "ALSA: trying to set volume level to %hu\n", vol);
+	return __volume_set_volume_ec(vol);
 }
 
 static void volume_alsa_notify_change(void)
@@ -6628,7 +6668,7 @@ static int volume_alsa_vol_get(struct snd_kcontrol *kcontrol,
 static int volume_alsa_vol_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	return volume_set_volume(ucontrol->value.integer.value[0]);
+	return volume_alsa_set_volume(ucontrol->value.integer.value[0]);
 }
 
 #define volume_alsa_mute_info snd_ctl_boolean_mono_info
@@ -6651,7 +6691,7 @@ static int volume_alsa_mute_get(struct snd_kcontrol *kcontrol,
 static int volume_alsa_mute_put(struct snd_kcontrol *kcontrol,
 				struct snd_ctl_elem_value *ucontrol)
 {
-	return volume_set_mute(!ucontrol->value.integer.value[0]);
+	return volume_alsa_set_mute(!ucontrol->value.integer.value[0]);
 }
 
 static struct snd_kcontrol_new volume_alsa_control_vol __devinitdata = {
@@ -7070,7 +7110,7 @@ static struct ibm_struct volume_driver_data = {
  *
  * 	Fan speed changes of any sort (including those caused by the
  * 	disengaged mode) are usually done slowly by the firmware as the
- * 	maximum ammount of fan duty cycle change per second seems to be
+ * 	maximum amount of fan duty cycle change per second seems to be
  * 	limited.
  *
  * 	Reading is not available if GFAN exists.
@@ -8477,9 +8517,10 @@ static int __init ibm_init(struct ibm_init_struct *iibm)
 		"%s installed\n", ibm->name);
 
 	if (ibm->read) {
-		mode_t mode;
+		mode_t mode = iibm->base_procfs_mode;
 
-		mode = S_IRUGO;
+		if (!mode)
+			mode = S_IRUGO;
 		if (ibm->write)
 			mode |= S_IWUSR;
 		entry = proc_create_data(ibm->name, mode, proc_dir,
@@ -8670,6 +8711,7 @@ static struct ibm_init_struct ibms_init[] __initdata = {
 #ifdef CONFIG_THINKPAD_ACPI_VIDEO
 	{
 		.init = video_init,
+		.base_procfs_mode = S_IRUSR,
 		.data = &video_driver_data,
 	},
 #endif
@@ -9032,6 +9074,9 @@ static int __init thinkpad_acpi_module_init(void)
 			return ret;
 		}
 	}
+
+	tpacpi_lifecycle = TPACPI_LIFE_RUNNING;
+
 	ret = input_register_device(tpacpi_inputdev);
 	if (ret < 0) {
 		printk(TPACPI_ERR "unable to register input device\n");
@@ -9041,7 +9086,6 @@ static int __init thinkpad_acpi_module_init(void)
 		tp_features.input_device_registered = 1;
 	}
 
-	tpacpi_lifecycle = TPACPI_LIFE_RUNNING;
 	return 0;
 }
 
diff --git a/drivers/platform/x86/topstar-laptop.c b/drivers/platform/x86/topstar-laptop.c
index 02f3d4e9e666..4d6516fded7e 100644
--- a/drivers/platform/x86/topstar-laptop.c
+++ b/drivers/platform/x86/topstar-laptop.c
@@ -46,7 +46,7 @@ static struct tps_key_entry topstar_keymap[] = {
 	{ }
 };
 
-static struct tps_key_entry *tps_get_key_by_scancode(int code)
+static struct tps_key_entry *tps_get_key_by_scancode(unsigned int code)
 {
 	struct tps_key_entry *key;
 
@@ -57,7 +57,7 @@ static struct tps_key_entry *tps_get_key_by_scancode(int code)
 	return NULL;
 }
 
-static struct tps_key_entry *tps_get_key_by_keycode(int code)
+static struct tps_key_entry *tps_get_key_by_keycode(unsigned int code)
 {
 	struct tps_key_entry *key;
 
@@ -126,7 +126,8 @@ static int acpi_topstar_fncx_switch(struct acpi_device *device, bool state)
 	return 0;
 }
 
-static int topstar_getkeycode(struct input_dev *dev, int scancode, int *keycode)
+static int topstar_getkeycode(struct input_dev *dev,
+				unsigned int scancode, unsigned int *keycode)
 {
 	struct tps_key_entry *key = tps_get_key_by_scancode(scancode);
 
@@ -137,14 +138,12 @@ static int topstar_getkeycode(struct input_dev *dev, int scancode, int *keycode)
 	return 0;
 }
 
-static int topstar_setkeycode(struct input_dev *dev, int scancode, int keycode)
+static int topstar_setkeycode(struct input_dev *dev,
+				unsigned int scancode, unsigned int keycode)
 {
 	struct tps_key_entry *key;
 	int old_keycode;
 
-	if (keycode < 0 || keycode > KEY_MAX)
-		return -EINVAL;
-
 	key = tps_get_key_by_scancode(scancode);
 
 	if (!key)
diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c
index 26c211724acf..def4841183be 100644
--- a/drivers/platform/x86/toshiba_acpi.c
+++ b/drivers/platform/x86/toshiba_acpi.c
@@ -745,7 +745,7 @@ static struct backlight_ops toshiba_backlight_data = {
         .update_status  = set_lcd_status,
 };
 
-static struct key_entry *toshiba_acpi_get_entry_by_scancode(int code)
+static struct key_entry *toshiba_acpi_get_entry_by_scancode(unsigned int code)
 {
 	struct key_entry *key;
 
@@ -756,7 +756,7 @@ static struct key_entry *toshiba_acpi_get_entry_by_scancode(int code)
 	return NULL;
 }
 
-static struct key_entry *toshiba_acpi_get_entry_by_keycode(int code)
+static struct key_entry *toshiba_acpi_get_entry_by_keycode(unsigned int code)
 {
 	struct key_entry *key;
 
@@ -767,8 +767,8 @@ static struct key_entry *toshiba_acpi_get_entry_by_keycode(int code)
 	return NULL;
 }
 
-static int toshiba_acpi_getkeycode(struct input_dev *dev, int scancode,
-				   int *keycode)
+static int toshiba_acpi_getkeycode(struct input_dev *dev,
+				   unsigned int scancode, unsigned int *keycode)
 {
 	struct key_entry *key = toshiba_acpi_get_entry_by_scancode(scancode);
 
@@ -780,14 +780,11 @@ static int toshiba_acpi_getkeycode(struct input_dev *dev, int scancode,
 	return -EINVAL;
 }
 
-static int toshiba_acpi_setkeycode(struct input_dev *dev, int scancode,
-				   int keycode)
+static int toshiba_acpi_setkeycode(struct input_dev *dev,
+				   unsigned int scancode, unsigned int keycode)
 {
 	struct key_entry *key;
-	int old_keycode;
-
-	if (keycode < 0 || keycode > KEY_MAX)
-		return -EINVAL;
+	unsigned int old_keycode;
 
 	key = toshiba_acpi_get_entry_by_scancode(scancode);
 	if (key && key->type == KE_KEY) {
@@ -814,21 +811,23 @@ static void toshiba_acpi_notify(acpi_handle handle, u32 event, void *context)
 		if (hci_result == HCI_SUCCESS) {
 			if (value == 0x100)
 				continue;
-			else if (value & 0x80) {
-				key = toshiba_acpi_get_entry_by_scancode
-					(value & ~0x80);
-				if (!key) {
-					printk(MY_INFO "Unknown key %x\n",
-					       value & ~0x80);
-					continue;
-				}
-				input_report_key(toshiba_acpi.hotkey_dev,
-						 key->keycode, 1);
-				input_sync(toshiba_acpi.hotkey_dev);
-				input_report_key(toshiba_acpi.hotkey_dev,
-						 key->keycode, 0);
-				input_sync(toshiba_acpi.hotkey_dev);
+			/* act on key press; ignore key release */
+			if (value & 0x80)
+				continue;
+
+			key = toshiba_acpi_get_entry_by_scancode
+				(value);
+			if (!key) {
+				printk(MY_INFO "Unknown key %x\n",
+				       value);
+				continue;
 			}
+			input_report_key(toshiba_acpi.hotkey_dev,
+					 key->keycode, 1);
+			input_sync(toshiba_acpi.hotkey_dev);
+			input_report_key(toshiba_acpi.hotkey_dev,
+					 key->keycode, 0);
+			input_sync(toshiba_acpi.hotkey_dev);
 		} else if (hci_result == HCI_NOT_SUPPORTED) {
 			/* This is a workaround for an unresolved issue on
 			 * some machines where system events sporadically
@@ -925,6 +924,7 @@ static int __init toshiba_acpi_init(void)
 	u32 hci_result;
 	bool bt_present;
 	int ret = 0;
+	struct backlight_properties props;
 
 	if (acpi_disabled)
 		return -ENODEV;
@@ -975,10 +975,12 @@ static int __init toshiba_acpi_init(void)
 		}
 	}
 
+	props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
 	toshiba_backlight_device = backlight_device_register("toshiba",
-						&toshiba_acpi.p_dev->dev,
-						NULL,
-						&toshiba_backlight_data);
+							     &toshiba_acpi.p_dev->dev,
+							     NULL,
+							     &toshiba_backlight_data,
+							     &props);
         if (IS_ERR(toshiba_backlight_device)) {
 		ret = PTR_ERR(toshiba_backlight_device);
 
@@ -987,7 +989,6 @@ static int __init toshiba_acpi_init(void)
 		toshiba_acpi_exit();
 		return ret;
 	}
-        toshiba_backlight_device->props.max_brightness = HCI_LCD_BRIGHTNESS_LEVELS - 1;
 
 	/* Register rfkill switch for Bluetooth */
 	if (hci_get_bt_present(&bt_present) == HCI_SUCCESS && bt_present) {
diff --git a/drivers/pnp/base.h b/drivers/pnp/base.h
index 0b8d14050efa..0bab84ebb15d 100644
--- a/drivers/pnp/base.h
+++ b/drivers/pnp/base.h
@@ -166,6 +166,9 @@ struct pnp_resource *pnp_add_io_resource(struct pnp_dev *dev,
 struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev,
 					  resource_size_t start,
 					  resource_size_t end, int flags);
+struct pnp_resource *pnp_add_bus_resource(struct pnp_dev *dev,
+					  resource_size_t start,
+					  resource_size_t end);
 
 extern int pnp_debug;
 
diff --git a/drivers/pnp/interface.c b/drivers/pnp/interface.c
index 68b0c04987e4..cfaf5b73540b 100644
--- a/drivers/pnp/interface.c
+++ b/drivers/pnp/interface.c
@@ -278,9 +278,12 @@ static ssize_t pnp_show_current_resources(struct device *dmdev,
 		switch (pnp_resource_type(res)) {
 		case IORESOURCE_IO:
 		case IORESOURCE_MEM:
-			pnp_printf(buffer, " %#llx-%#llx\n",
+		case IORESOURCE_BUS:
+			pnp_printf(buffer, " %#llx-%#llx%s\n",
 				   (unsigned long long) res->start,
-				   (unsigned long long) res->end);
+				   (unsigned long long) res->end,
+				   res->flags & IORESOURCE_WINDOW ?
+					" window" : "");
 			break;
 		case IORESOURCE_IRQ:
 		case IORESOURCE_DMA:
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 5702b2c8691f..54514aa35b09 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -177,7 +177,8 @@ static int dma_flags(struct pnp_dev *dev, int type, int bus_master,
 }
 
 static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start,
-					       u64 len, int io_decode)
+					       u64 len, int io_decode,
+					       int window)
 {
 	int flags = 0;
 	u64 end = start + len - 1;
@@ -186,6 +187,8 @@ static void pnpacpi_parse_allocated_ioresource(struct pnp_dev *dev, u64 start,
 		flags |= IORESOURCE_IO_16BIT_ADDR;
 	if (len == 0 || end >= 0x10003)
 		flags |= IORESOURCE_DISABLED;
+	if (window)
+		flags |= IORESOURCE_WINDOW;
 
 	pnp_add_io_resource(dev, start, end, flags);
 }
@@ -247,7 +250,7 @@ static void pnpacpi_parse_allocated_vendor(struct pnp_dev *dev,
 
 static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev,
 						u64 start, u64 len,
-						int write_protect)
+						int write_protect, int window)
 {
 	int flags = 0;
 	u64 end = start + len - 1;
@@ -256,15 +259,26 @@ static void pnpacpi_parse_allocated_memresource(struct pnp_dev *dev,
 		flags |= IORESOURCE_DISABLED;
 	if (write_protect == ACPI_READ_WRITE_MEMORY)
 		flags |= IORESOURCE_MEM_WRITEABLE;
+	if (window)
+		flags |= IORESOURCE_WINDOW;
 
 	pnp_add_mem_resource(dev, start, end, flags);
 }
 
+static void pnpacpi_parse_allocated_busresource(struct pnp_dev *dev,
+						u64 start, u64 len)
+{
+	u64 end = start + len - 1;
+
+	pnp_add_bus_resource(dev, start, end);
+}
+
 static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
 						  struct acpi_resource *res)
 {
 	struct acpi_resource_address64 addr, *p = &addr;
 	acpi_status status;
+	int window;
 
 	status = acpi_resource_to_address64(res, p);
 	if (!ACPI_SUCCESS(status)) {
@@ -273,37 +287,42 @@ static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
 		return;
 	}
 
-	if (p->producer_consumer == ACPI_PRODUCER)
-		return;
+	window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
 
 	if (p->resource_type == ACPI_MEMORY_RANGE)
 		pnpacpi_parse_allocated_memresource(dev,
 			p->minimum, p->address_length,
-			p->info.mem.write_protect);
+			p->info.mem.write_protect, window);
 	else if (p->resource_type == ACPI_IO_RANGE)
 		pnpacpi_parse_allocated_ioresource(dev,
 			p->minimum, p->address_length,
 			p->granularity == 0xfff ? ACPI_DECODE_10 :
-				ACPI_DECODE_16);
+				ACPI_DECODE_16, window);
+	else if (p->resource_type == ACPI_BUS_NUMBER_RANGE)
+		pnpacpi_parse_allocated_busresource(dev, p->minimum,
+						    p->address_length);
 }
 
 static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev,
 						      struct acpi_resource *res)
 {
 	struct acpi_resource_extended_address64 *p = &res->data.ext_address64;
+	int window;
 
-	if (p->producer_consumer == ACPI_PRODUCER)
-		return;
+	window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
 
 	if (p->resource_type == ACPI_MEMORY_RANGE)
 		pnpacpi_parse_allocated_memresource(dev,
 			p->minimum, p->address_length,
-			p->info.mem.write_protect);
+			p->info.mem.write_protect, window);
 	else if (p->resource_type == ACPI_IO_RANGE)
 		pnpacpi_parse_allocated_ioresource(dev,
 			p->minimum, p->address_length,
 			p->granularity == 0xfff ? ACPI_DECODE_10 :
-				ACPI_DECODE_16);
+				ACPI_DECODE_16, window);
+	else if (p->resource_type == ACPI_BUS_NUMBER_RANGE)
+		pnpacpi_parse_allocated_busresource(dev, p->minimum,
+						    p->address_length);
 }
 
 static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
@@ -368,7 +387,7 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
 		pnpacpi_parse_allocated_ioresource(dev,
 			io->minimum,
 			io->address_length,
-			io->io_decode);
+			io->io_decode, 0);
 		break;
 
 	case ACPI_RESOURCE_TYPE_START_DEPENDENT:
@@ -380,7 +399,7 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
 		pnpacpi_parse_allocated_ioresource(dev,
 			fixed_io->address,
 			fixed_io->address_length,
-			ACPI_DECODE_10);
+			ACPI_DECODE_10, 0);
 		break;
 
 	case ACPI_RESOURCE_TYPE_VENDOR:
@@ -396,21 +415,21 @@ static acpi_status pnpacpi_allocated_resource(struct acpi_resource *res,
 		pnpacpi_parse_allocated_memresource(dev,
 			memory24->minimum,
 			memory24->address_length,
-			memory24->write_protect);
+			memory24->write_protect, 0);
 		break;
 	case ACPI_RESOURCE_TYPE_MEMORY32:
 		memory32 = &res->data.memory32;
 		pnpacpi_parse_allocated_memresource(dev,
 			memory32->minimum,
 			memory32->address_length,
-			memory32->write_protect);
+			memory32->write_protect, 0);
 		break;
 	case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
 		fixed_memory32 = &res->data.fixed_memory32;
 		pnpacpi_parse_allocated_memresource(dev,
 			fixed_memory32->address,
 			fixed_memory32->address_length,
-			fixed_memory32->write_protect);
+			fixed_memory32->write_protect, 0);
 		break;
 	case ACPI_RESOURCE_TYPE_ADDRESS16:
 	case ACPI_RESOURCE_TYPE_ADDRESS32:
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index 64d0596bafb5..5b277dbaacde 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -470,7 +470,8 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res)
 unsigned long pnp_resource_type(struct resource *res)
 {
 	return res->flags & (IORESOURCE_IO  | IORESOURCE_MEM |
-			     IORESOURCE_IRQ | IORESOURCE_DMA);
+			     IORESOURCE_IRQ | IORESOURCE_DMA |
+			     IORESOURCE_BUS);
 }
 
 struct resource *pnp_get_resource(struct pnp_dev *dev,
@@ -590,6 +591,30 @@ struct pnp_resource *pnp_add_mem_resource(struct pnp_dev *dev,
 	return pnp_res;
 }
 
+struct pnp_resource *pnp_add_bus_resource(struct pnp_dev *dev,
+					  resource_size_t start,
+					  resource_size_t end)
+{
+	struct pnp_resource *pnp_res;
+	struct resource *res;
+
+	pnp_res = pnp_new_resource(dev);
+	if (!pnp_res) {
+		dev_err(&dev->dev, "can't add resource for BUS %#llx-%#llx\n",
+			(unsigned long long) start,
+			(unsigned long long) end);
+		return NULL;
+	}
+
+	res = &pnp_res->res;
+	res->flags = IORESOURCE_BUS;
+	res->start = start;
+	res->end = end;
+
+	pnp_dbg(&dev->dev, "  add %pr\n", res);
+	return pnp_res;
+}
+
 /*
  * Determine whether the specified resource is a possible configuration
  * for this device.
diff --git a/drivers/pnp/support.c b/drivers/pnp/support.c
index 9585c1c1cc36..f5beb24d036a 100644
--- a/drivers/pnp/support.c
+++ b/drivers/pnp/support.c
@@ -69,8 +69,10 @@ char *pnp_resource_type_name(struct resource *res)
 		return "irq";
 	case IORESOURCE_DMA:
 		return "dma";
+	case IORESOURCE_BUS:
+		return "bus";
 	}
-	return NULL;
+	return "unknown";
 }
 
 void dbg_pnp_show_resources(struct pnp_dev *dev, char *desc)
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index d4b3d67f0548..faaa9b4d0d07 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -29,6 +29,13 @@ config APM_POWER
 	  Say Y here to enable support APM status emulation using
 	  battery class devices.
 
+config MAX8925_POWER
+	tristate "MAX8925 battery charger support"
+	depends on MFD_MAX8925
+	help
+	  Say Y here to enable support for the battery charger in the Maxim
+	  MAX8925 PMIC.
+
 config WM831X_BACKUP
 	tristate "WM831X backup battery charger support"
 	depends on MFD_WM831X
@@ -98,10 +105,10 @@ config BATTERY_WM97XX
 	  Say Y to enable support for battery measured by WM97xx aux port.
 
 config BATTERY_BQ27x00
-	tristate "BQ27200 battery driver"
+	tristate "BQ27x00 battery driver"
 	depends on I2C
 	help
-	  Say Y here to enable support for batteries with BQ27200(I2C) chip.
+	  Say Y here to enable support for batteries with BQ27x00 (I2C) chips.
 
 config BATTERY_DA9030
 	tristate "DA9030 battery driver"
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index 573597c683b4..a2ba7c85c97a 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -16,6 +16,7 @@ obj-$(CONFIG_POWER_SUPPLY)	+= power_supply.o
 
 obj-$(CONFIG_PDA_POWER)		+= pda_power.o
 obj-$(CONFIG_APM_POWER)		+= apm_power.o
+obj-$(CONFIG_MAX8925_POWER)	+= max8925_power.o
 obj-$(CONFIG_WM831X_BACKUP)	+= wm831x_backup.o
 obj-$(CONFIG_WM831X_POWER)	+= wm831x_power.o
 obj-$(CONFIG_WM8350_POWER)	+= wm8350_power.o
diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
index 62bb98124e26..bece33ed873c 100644
--- a/drivers/power/bq27x00_battery.c
+++ b/drivers/power/bq27x00_battery.c
@@ -26,13 +26,22 @@
 #include <linux/i2c.h>
 #include <asm/unaligned.h>
 
-#define DRIVER_VERSION			"1.0.0"
+#define DRIVER_VERSION			"1.1.0"
 
 #define BQ27x00_REG_TEMP		0x06
 #define BQ27x00_REG_VOLT		0x08
-#define BQ27x00_REG_RSOC		0x0B /* Relative State-of-Charge */
 #define BQ27x00_REG_AI			0x14
 #define BQ27x00_REG_FLAGS		0x0A
+#define BQ27x00_REG_TTE			0x16
+#define BQ27x00_REG_TTF			0x18
+#define BQ27x00_REG_TTECP		0x26
+
+#define BQ27000_REG_RSOC		0x0B /* Relative State-of-Charge */
+#define BQ27000_FLAG_CHGS		BIT(7)
+
+#define BQ27500_REG_SOC			0x2c
+#define BQ27500_FLAG_DSC		BIT(0)
+#define BQ27500_FLAG_FC			BIT(9)
 
 /* If the system has several batteries we need a different name for each
  * of them...
@@ -46,25 +55,28 @@ struct bq27x00_access_methods {
 		struct bq27x00_device_info *di);
 };
 
+enum bq27x00_chip { BQ27000, BQ27500 };
+
 struct bq27x00_device_info {
 	struct device 		*dev;
 	int			id;
-	int			voltage_uV;
-	int			current_uA;
-	int			temp_C;
-	int			charge_rsoc;
 	struct bq27x00_access_methods	*bus;
 	struct power_supply	bat;
+	enum bq27x00_chip	chip;
 
 	struct i2c_client	*client;
 };
 
 static enum power_supply_property bq27x00_battery_props[] = {
+	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_PRESENT,
 	POWER_SUPPLY_PROP_VOLTAGE_NOW,
 	POWER_SUPPLY_PROP_CURRENT_NOW,
 	POWER_SUPPLY_PROP_CAPACITY,
 	POWER_SUPPLY_PROP_TEMP,
+	POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
+	POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
+	POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
 };
 
 /*
@@ -74,16 +86,11 @@ static enum power_supply_property bq27x00_battery_props[] = {
 static int bq27x00_read(u8 reg, int *rt_value, int b_single,
 			struct bq27x00_device_info *di)
 {
-	int ret;
-
-	ret = di->bus->read(reg, rt_value, b_single, di);
-	*rt_value = be16_to_cpu(*rt_value);
-
-	return ret;
+	return di->bus->read(reg, rt_value, b_single, di);
 }
 
 /*
- * Return the battery temperature in Celsius degrees
+ * Return the battery temperature in tenths of degree Celsius
  * Or < 0 if something fails.
  */
 static int bq27x00_battery_temperature(struct bq27x00_device_info *di)
@@ -97,7 +104,10 @@ static int bq27x00_battery_temperature(struct bq27x00_device_info *di)
 		return ret;
 	}
 
-	return (temp >> 2) - 273;
+	if (di->chip == BQ27500)
+		return temp - 2731;
+	else
+		return ((temp >> 2) - 273) * 10;
 }
 
 /*
@@ -115,7 +125,7 @@ static int bq27x00_battery_voltage(struct bq27x00_device_info *di)
 		return ret;
 	}
 
-	return volt;
+	return volt * 1000;
 }
 
 /*
@@ -134,16 +144,23 @@ static int bq27x00_battery_current(struct bq27x00_device_info *di)
 		dev_err(di->dev, "error reading current\n");
 		return 0;
 	}
-	ret = bq27x00_read(BQ27x00_REG_FLAGS, &flags, 0, di);
-	if (ret < 0) {
-		dev_err(di->dev, "error reading flags\n");
-		return 0;
-	}
-	if ((flags & (1 << 7)) != 0) {
-		dev_dbg(di->dev, "negative current!\n");
-		return -curr;
+
+	if (di->chip == BQ27500) {
+		/* bq27500 returns signed value */
+		curr = (int)(s16)curr;
+	} else {
+		ret = bq27x00_read(BQ27x00_REG_FLAGS, &flags, 0, di);
+		if (ret < 0) {
+			dev_err(di->dev, "error reading flags\n");
+			return 0;
+		}
+		if (flags & BQ27000_FLAG_CHGS) {
+			dev_dbg(di->dev, "negative current!\n");
+			curr = -curr;
+		}
 	}
-	return curr;
+
+	return curr * 1000;
 }
 
 /*
@@ -155,13 +172,70 @@ static int bq27x00_battery_rsoc(struct bq27x00_device_info *di)
 	int ret;
 	int rsoc = 0;
 
-	ret = bq27x00_read(BQ27x00_REG_RSOC, &rsoc, 1, di);
+	if (di->chip == BQ27500)
+		ret = bq27x00_read(BQ27500_REG_SOC, &rsoc, 0, di);
+	else
+		ret = bq27x00_read(BQ27000_REG_RSOC, &rsoc, 1, di);
 	if (ret) {
 		dev_err(di->dev, "error reading relative State-of-Charge\n");
 		return ret;
 	}
 
-	return rsoc >> 8;
+	return rsoc;
+}
+
+static int bq27x00_battery_status(struct bq27x00_device_info *di,
+				  union power_supply_propval *val)
+{
+	int flags = 0;
+	int status;
+	int ret;
+
+	ret = bq27x00_read(BQ27x00_REG_FLAGS, &flags, 0, di);
+	if (ret < 0) {
+		dev_err(di->dev, "error reading flags\n");
+		return ret;
+	}
+
+	if (di->chip == BQ27500) {
+		if (flags & BQ27500_FLAG_FC)
+			status = POWER_SUPPLY_STATUS_FULL;
+		else if (flags & BQ27500_FLAG_DSC)
+			status = POWER_SUPPLY_STATUS_DISCHARGING;
+		else
+			status = POWER_SUPPLY_STATUS_CHARGING;
+	} else {
+		if (flags & BQ27000_FLAG_CHGS)
+			status = POWER_SUPPLY_STATUS_CHARGING;
+		else
+			status = POWER_SUPPLY_STATUS_DISCHARGING;
+	}
+
+	val->intval = status;
+	return 0;
+}
+
+/*
+ * Read a time register.
+ * Return < 0 if something fails.
+ */
+static int bq27x00_battery_time(struct bq27x00_device_info *di, int reg,
+				union power_supply_propval *val)
+{
+	int tval = 0;
+	int ret;
+
+	ret = bq27x00_read(reg, &tval, 0, di);
+	if (ret) {
+		dev_err(di->dev, "error reading register %02x\n", reg);
+		return ret;
+	}
+
+	if (tval == 65535)
+		return -ENODATA;
+
+	val->intval = tval * 60;
+	return 0;
 }
 
 #define to_bq27x00_device_info(x) container_of((x), \
@@ -171,9 +245,13 @@ static int bq27x00_battery_get_property(struct power_supply *psy,
 					enum power_supply_property psp,
 					union power_supply_propval *val)
 {
+	int ret = 0;
 	struct bq27x00_device_info *di = to_bq27x00_device_info(psy);
 
 	switch (psp) {
+	case POWER_SUPPLY_PROP_STATUS:
+		ret = bq27x00_battery_status(di, val);
+		break;
 	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
 	case POWER_SUPPLY_PROP_PRESENT:
 		val->intval = bq27x00_battery_voltage(di);
@@ -189,11 +267,20 @@ static int bq27x00_battery_get_property(struct power_supply *psy,
 	case POWER_SUPPLY_PROP_TEMP:
 		val->intval = bq27x00_battery_temperature(di);
 		break;
+	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
+		ret = bq27x00_battery_time(di, BQ27x00_REG_TTE, val);
+		break;
+	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG:
+		ret = bq27x00_battery_time(di, BQ27x00_REG_TTECP, val);
+		break;
+	case POWER_SUPPLY_PROP_TIME_TO_FULL_NOW:
+		ret = bq27x00_battery_time(di, BQ27x00_REG_TTF, val);
+		break;
 	default:
 		return -EINVAL;
 	}
 
-	return 0;
+	return ret;
 }
 
 static void bq27x00_powersupply_init(struct bq27x00_device_info *di)
@@ -206,10 +293,10 @@ static void bq27x00_powersupply_init(struct bq27x00_device_info *di)
 }
 
 /*
- * BQ27200 specific code
+ * i2c specific code
  */
 
-static int bq27200_read(u8 reg, int *rt_value, int b_single,
+static int bq27x00_read_i2c(u8 reg, int *rt_value, int b_single,
 			struct bq27x00_device_info *di)
 {
 	struct i2c_client *client = di->client;
@@ -238,7 +325,7 @@ static int bq27200_read(u8 reg, int *rt_value, int b_single,
 		err = i2c_transfer(client->adapter, msg, 1);
 		if (err >= 0) {
 			if (!b_single)
-				*rt_value = get_unaligned_be16(data);
+				*rt_value = get_unaligned_le16(data);
 			else
 				*rt_value = data[0];
 
@@ -248,7 +335,7 @@ static int bq27200_read(u8 reg, int *rt_value, int b_single,
 	return err;
 }
 
-static int bq27200_battery_probe(struct i2c_client *client,
+static int bq27x00_battery_probe(struct i2c_client *client,
 				 const struct i2c_device_id *id)
 {
 	char *name;
@@ -267,7 +354,7 @@ static int bq27200_battery_probe(struct i2c_client *client,
 	if (retval < 0)
 		return retval;
 
-	name = kasprintf(GFP_KERNEL, "bq27200-%d", num);
+	name = kasprintf(GFP_KERNEL, "%s-%d", id->name, num);
 	if (!name) {
 		dev_err(&client->dev, "failed to allocate device name\n");
 		retval = -ENOMEM;
@@ -281,6 +368,7 @@ static int bq27200_battery_probe(struct i2c_client *client,
 		goto batt_failed_2;
 	}
 	di->id = num;
+	di->chip = id->driver_data;
 
 	bus = kzalloc(sizeof(*bus), GFP_KERNEL);
 	if (!bus) {
@@ -293,7 +381,7 @@ static int bq27200_battery_probe(struct i2c_client *client,
 	i2c_set_clientdata(client, di);
 	di->dev = &client->dev;
 	di->bat.name = name;
-	bus->read = &bq27200_read;
+	bus->read = &bq27x00_read_i2c;
 	di->bus = bus;
 	di->client = client;
 
@@ -323,7 +411,7 @@ batt_failed_1:
 	return retval;
 }
 
-static int bq27200_battery_remove(struct i2c_client *client)
+static int bq27x00_battery_remove(struct i2c_client *client)
 {
 	struct bq27x00_device_info *di = i2c_get_clientdata(client);
 
@@ -344,27 +432,28 @@ static int bq27200_battery_remove(struct i2c_client *client)
  * Module stuff
  */
 
-static const struct i2c_device_id bq27200_id[] = {
-	{ "bq27200", 0 },
+static const struct i2c_device_id bq27x00_id[] = {
+	{ "bq27200", BQ27000 },	/* bq27200 is same as bq27000, but with i2c */
+	{ "bq27500", BQ27500 },
 	{},
 };
 
-static struct i2c_driver bq27200_battery_driver = {
+static struct i2c_driver bq27x00_battery_driver = {
 	.driver = {
-		.name = "bq27200-battery",
+		.name = "bq27x00-battery",
 	},
-	.probe = bq27200_battery_probe,
-	.remove = bq27200_battery_remove,
-	.id_table = bq27200_id,
+	.probe = bq27x00_battery_probe,
+	.remove = bq27x00_battery_remove,
+	.id_table = bq27x00_id,
 };
 
 static int __init bq27x00_battery_init(void)
 {
 	int ret;
 
-	ret = i2c_add_driver(&bq27200_battery_driver);
+	ret = i2c_add_driver(&bq27x00_battery_driver);
 	if (ret)
-		printk(KERN_ERR "Unable to register BQ27200 driver\n");
+		printk(KERN_ERR "Unable to register BQ27x00 driver\n");
 
 	return ret;
 }
@@ -372,7 +461,7 @@ module_init(bq27x00_battery_init);
 
 static void __exit bq27x00_battery_exit(void)
 {
-	i2c_del_driver(&bq27200_battery_driver);
+	i2c_del_driver(&bq27x00_battery_driver);
 }
 module_exit(bq27x00_battery_exit);
 
diff --git a/drivers/power/da9030_battery.c b/drivers/power/da9030_battery.c
index 3364198134a1..a2e71f7b27fb 100644
--- a/drivers/power/da9030_battery.c
+++ b/drivers/power/da9030_battery.c
@@ -509,7 +509,7 @@ static int da9030_battery_probe(struct platform_device *pdev)
 
 	charger->master = pdev->dev.parent;
 
-	/* 10 seconds between monotor runs unless platfrom defines other
+	/* 10 seconds between monitor runs unless platform defines other
 	   interval */
 	charger->interval = msecs_to_jiffies(
 		(pdata->batmon_interval ? : 10) * 1000);
diff --git a/drivers/power/max8925_power.c b/drivers/power/max8925_power.c
new file mode 100644
index 000000000000..a1b4410544d7
--- /dev/null
+++ b/drivers/power/max8925_power.c
@@ -0,0 +1,534 @@
+/*
+ * Battery driver for Maxim MAX8925
+ *
+ * Copyright (c) 2009-2010 Marvell International Ltd.
+ *	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/mfd/max8925.h>
+
+/* registers in GPM */
+#define MAX8925_OUT5VEN			0x54
+#define MAX8925_OUT3VEN			0x58
+#define MAX8925_CHG_CNTL1		0x7c
+
+/* bits definition */
+#define MAX8925_CHG_STAT_VSYSLOW	(1 << 0)
+#define MAX8925_CHG_STAT_MODE_MASK	(3 << 2)
+#define MAX8925_CHG_STAT_EN_MASK	(1 << 4)
+#define MAX8925_CHG_MBDET		(1 << 1)
+#define MAX8925_CHG_AC_RANGE_MASK	(3 << 6)
+
+/* registers in ADC */
+#define MAX8925_ADC_RES_CNFG1		0x06
+#define MAX8925_ADC_AVG_CNFG1		0x07
+#define MAX8925_ADC_ACQ_CNFG1		0x08
+#define MAX8925_ADC_ACQ_CNFG2		0x09
+/* 2 bytes registers in below. MSB is 1st, LSB is 2nd. */
+#define MAX8925_ADC_AUX2		0x62
+#define MAX8925_ADC_VCHG		0x64
+#define MAX8925_ADC_VBBATT		0x66
+#define MAX8925_ADC_VMBATT		0x68
+#define MAX8925_ADC_ISNS		0x6a
+#define MAX8925_ADC_THM			0x6c
+#define MAX8925_ADC_TDIE		0x6e
+#define MAX8925_CMD_AUX2		0xc8
+#define MAX8925_CMD_VCHG		0xd0
+#define MAX8925_CMD_VBBATT		0xd8
+#define MAX8925_CMD_VMBATT		0xe0
+#define MAX8925_CMD_ISNS		0xe8
+#define MAX8925_CMD_THM			0xf0
+#define MAX8925_CMD_TDIE		0xf8
+
+enum {
+	MEASURE_AUX2,
+	MEASURE_VCHG,
+	MEASURE_VBBATT,
+	MEASURE_VMBATT,
+	MEASURE_ISNS,
+	MEASURE_THM,
+	MEASURE_TDIE,
+	MEASURE_MAX,
+};
+
+struct max8925_power_info {
+	struct max8925_chip	*chip;
+	struct i2c_client	*gpm;
+	struct i2c_client	*adc;
+
+	struct power_supply	ac;
+	struct power_supply	usb;
+	struct power_supply	battery;
+	int			irq_base;
+	unsigned		ac_online:1;
+	unsigned		usb_online:1;
+	unsigned		bat_online:1;
+	unsigned		chg_mode:2;
+	unsigned		batt_detect:1;	/* detecing MB by ID pin */
+	unsigned		topoff_threshold:2;
+	unsigned		fast_charge:3;
+
+	int (*set_charger) (int);
+};
+
+static int __set_charger(struct max8925_power_info *info, int enable)
+{
+	struct max8925_chip *chip = info->chip;
+	if (enable) {
+		/* enable charger in platform */
+		if (info->set_charger)
+			info->set_charger(1);
+		/* enable charger */
+		max8925_set_bits(info->gpm, MAX8925_CHG_CNTL1, 1 << 7, 0);
+	} else {
+		/* disable charge */
+		max8925_set_bits(info->gpm, MAX8925_CHG_CNTL1, 1 << 7, 1 << 7);
+		if (info->set_charger)
+			info->set_charger(0);
+	}
+	dev_dbg(chip->dev, "%s\n", (enable) ? "Enable charger"
+		: "Disable charger");
+	return 0;
+}
+
+static irqreturn_t max8925_charger_handler(int irq, void *data)
+{
+	struct max8925_power_info *info = (struct max8925_power_info *)data;
+	struct max8925_chip *chip = info->chip;
+
+	switch (irq - chip->irq_base) {
+	case MAX8925_IRQ_VCHG_DC_R:
+		info->ac_online = 1;
+		__set_charger(info, 1);
+		dev_dbg(chip->dev, "Adapter inserted\n");
+		break;
+	case MAX8925_IRQ_VCHG_DC_F:
+		info->ac_online = 0;
+		__set_charger(info, 0);
+		dev_dbg(chip->dev, "Adapter is removal\n");
+		break;
+	case MAX8925_IRQ_VCHG_USB_R:
+		info->usb_online = 1;
+		__set_charger(info, 1);
+		dev_dbg(chip->dev, "USB inserted\n");
+		break;
+	case MAX8925_IRQ_VCHG_USB_F:
+		info->usb_online = 0;
+		__set_charger(info, 0);
+		dev_dbg(chip->dev, "USB is removal\n");
+		break;
+	case MAX8925_IRQ_VCHG_THM_OK_F:
+		/* Battery is not ready yet */
+		dev_dbg(chip->dev, "Battery temperature is out of range\n");
+	case MAX8925_IRQ_VCHG_DC_OVP:
+		dev_dbg(chip->dev, "Error detection\n");
+		__set_charger(info, 0);
+		break;
+	case MAX8925_IRQ_VCHG_THM_OK_R:
+		/* Battery is ready now */
+		dev_dbg(chip->dev, "Battery temperature is in range\n");
+		break;
+	case MAX8925_IRQ_VCHG_SYSLOW_R:
+		/* VSYS is low */
+		dev_info(chip->dev, "Sys power is too low\n");
+		break;
+	case MAX8925_IRQ_VCHG_SYSLOW_F:
+		dev_dbg(chip->dev, "Sys power is above low threshold\n");
+		break;
+	case MAX8925_IRQ_VCHG_DONE:
+		__set_charger(info, 0);
+		dev_dbg(chip->dev, "Charging is done\n");
+		break;
+	case MAX8925_IRQ_VCHG_TOPOFF:
+		dev_dbg(chip->dev, "Charging in top-off mode\n");
+		break;
+	case MAX8925_IRQ_VCHG_TMR_FAULT:
+		__set_charger(info, 0);
+		dev_dbg(chip->dev, "Safe timer is expired\n");
+		break;
+	case MAX8925_IRQ_VCHG_RST:
+		__set_charger(info, 0);
+		dev_dbg(chip->dev, "Charger is reset\n");
+		break;
+	}
+	return IRQ_HANDLED;
+}
+
+static int start_measure(struct max8925_power_info *info, int type)
+{
+	unsigned char buf[2] = {0, 0};
+	int meas_reg = 0, ret;
+
+	switch (type) {
+	case MEASURE_VCHG:
+		meas_reg = MAX8925_ADC_VCHG;
+		break;
+	case MEASURE_VBBATT:
+		meas_reg = MAX8925_ADC_VBBATT;
+		break;
+	case MEASURE_VMBATT:
+		meas_reg = MAX8925_ADC_VMBATT;
+		break;
+	case MEASURE_ISNS:
+		meas_reg = MAX8925_ADC_ISNS;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	max8925_bulk_read(info->adc, meas_reg, 2, buf);
+	ret = (buf[0] << 4) | (buf[1] >> 4);
+
+	return ret;
+}
+
+static int max8925_ac_get_prop(struct power_supply *psy,
+			       enum power_supply_property psp,
+			       union power_supply_propval *val)
+{
+	struct max8925_power_info *info = dev_get_drvdata(psy->dev->parent);
+	int ret = 0;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_ONLINE:
+		val->intval = info->ac_online;
+		break;
+	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+		if (info->ac_online) {
+			ret = start_measure(info, MEASURE_VCHG);
+			if (ret >= 0) {
+				val->intval = ret << 1;	/* unit is mV */
+				goto out;
+			}
+		}
+		ret = -ENODATA;
+		break;
+	default:
+		ret = -ENODEV;
+		break;
+	}
+out:
+	return ret;
+}
+
+static enum power_supply_property max8925_ac_props[] = {
+	POWER_SUPPLY_PROP_ONLINE,
+	POWER_SUPPLY_PROP_VOLTAGE_NOW,
+};
+
+static int max8925_usb_get_prop(struct power_supply *psy,
+				enum power_supply_property psp,
+				union power_supply_propval *val)
+{
+	struct max8925_power_info *info = dev_get_drvdata(psy->dev->parent);
+	int ret = 0;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_ONLINE:
+		val->intval = info->usb_online;
+		break;
+	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+		if (info->usb_online) {
+			ret = start_measure(info, MEASURE_VCHG);
+			if (ret >= 0) {
+				val->intval = ret << 1;	/* unit is mV */
+				goto out;
+			}
+		}
+		ret = -ENODATA;
+		break;
+	default:
+		ret = -ENODEV;
+		break;
+	}
+out:
+	return ret;
+}
+
+static enum power_supply_property max8925_usb_props[] = {
+	POWER_SUPPLY_PROP_ONLINE,
+	POWER_SUPPLY_PROP_VOLTAGE_NOW,
+};
+
+static int max8925_bat_get_prop(struct power_supply *psy,
+				enum power_supply_property psp,
+				union power_supply_propval *val)
+{
+	struct max8925_power_info *info = dev_get_drvdata(psy->dev->parent);
+	long long int tmp = 0;
+	int ret = 0;
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_ONLINE:
+		val->intval = info->bat_online;
+		break;
+	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+		if (info->bat_online) {
+			ret = start_measure(info, MEASURE_VMBATT);
+			if (ret >= 0) {
+				val->intval = ret << 1;	/* unit is mV */
+				ret = 0;
+				break;
+			}
+		}
+		ret = -ENODATA;
+		break;
+	case POWER_SUPPLY_PROP_CURRENT_NOW:
+		if (info->bat_online) {
+			ret = start_measure(info, MEASURE_ISNS);
+			if (ret >= 0) {
+				tmp = (long long int)ret * 6250 / 4096 - 3125;
+				ret = (int)tmp;
+				val->intval = 0;
+				if (ret > 0)
+					val->intval = ret; /* unit is mA */
+				ret = 0;
+				break;
+			}
+		}
+		ret = -ENODATA;
+		break;
+	case POWER_SUPPLY_PROP_CHARGE_TYPE:
+		if (!info->bat_online) {
+			ret = -ENODATA;
+			break;
+		}
+		ret = max8925_reg_read(info->gpm, MAX8925_CHG_STATUS);
+		ret = (ret & MAX8925_CHG_STAT_MODE_MASK) >> 2;
+		switch (ret) {
+		case 1:
+			val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST;
+			break;
+		case 0:
+		case 2:
+			val->intval = POWER_SUPPLY_CHARGE_TYPE_TRICKLE;
+			break;
+		case 3:
+			val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE;
+			break;
+		}
+		ret = 0;
+		break;
+	case POWER_SUPPLY_PROP_STATUS:
+		if (!info->bat_online) {
+			ret = -ENODATA;
+			break;
+		}
+		ret = max8925_reg_read(info->gpm, MAX8925_CHG_STATUS);
+		if (info->usb_online || info->ac_online) {
+			val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING;
+			if (ret & MAX8925_CHG_STAT_EN_MASK)
+				val->intval = POWER_SUPPLY_STATUS_CHARGING;
+		} else
+			val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
+		ret = 0;
+		break;
+	default:
+		ret = -ENODEV;
+		break;
+	}
+	return ret;
+}
+
+static enum power_supply_property max8925_battery_props[] = {
+	POWER_SUPPLY_PROP_ONLINE,
+	POWER_SUPPLY_PROP_VOLTAGE_NOW,
+	POWER_SUPPLY_PROP_CURRENT_NOW,
+	POWER_SUPPLY_PROP_CHARGE_TYPE,
+	POWER_SUPPLY_PROP_STATUS,
+};
+
+#define REQUEST_IRQ(_irq, _name)					\
+do {									\
+	ret = request_threaded_irq(chip->irq_base + _irq, NULL,		\
+				    max8925_charger_handler,		\
+				    IRQF_ONESHOT, _name, info);		\
+	if (ret)							\
+		dev_err(chip->dev, "Failed to request IRQ #%d: %d\n",	\
+			_irq, ret);					\
+} while (0)
+
+static __devinit int max8925_init_charger(struct max8925_chip *chip,
+					  struct max8925_power_info *info)
+{
+	int ret;
+
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_DC_OVP, "ac-ovp");
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_DC_F, "ac-remove");
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_DC_R, "ac-insert");
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_USB_OVP, "usb-ovp");
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_USB_F, "usb-remove");
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_USB_R, "usb-insert");
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_THM_OK_R, "batt-temp-in-range");
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_THM_OK_F, "batt-temp-out-range");
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_SYSLOW_F, "vsys-high");
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_SYSLOW_R, "vsys-low");
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_RST, "charger-reset");
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_DONE, "charger-done");
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_TOPOFF, "charger-topoff");
+	REQUEST_IRQ(MAX8925_IRQ_VCHG_TMR_FAULT, "charger-timer-expire");
+
+	info->ac_online = 0;
+	info->usb_online = 0;
+	info->bat_online = 0;
+	ret = max8925_reg_read(info->gpm, MAX8925_CHG_STATUS);
+	if (ret >= 0) {
+		/*
+		 * If battery detection is enabled, ID pin of battery is
+		 * connected to MBDET pin of MAX8925. It could be used to
+		 * detect battery presence.
+		 * Otherwise, we have to assume that battery is always on.
+		 */
+		if (info->batt_detect)
+			info->bat_online = (ret & MAX8925_CHG_MBDET) ? 0 : 1;
+		else
+			info->bat_online = 1;
+		if (ret & MAX8925_CHG_AC_RANGE_MASK)
+			info->ac_online = 1;
+		else
+			info->ac_online = 0;
+	}
+	/* disable charge */
+	max8925_set_bits(info->gpm, MAX8925_CHG_CNTL1, 1 << 7, 1 << 7);
+	/* set charging current in charge topoff mode */
+	max8925_set_bits(info->gpm, MAX8925_CHG_CNTL1, 3 << 5,
+			 info->topoff_threshold << 5);
+	/* set charing current in fast charge mode */
+	max8925_set_bits(info->gpm, MAX8925_CHG_CNTL1, 7, info->fast_charge);
+
+	return 0;
+}
+
+static __devexit int max8925_deinit_charger(struct max8925_power_info *info)
+{
+	struct max8925_chip *chip = info->chip;
+	int irq;
+
+	irq = chip->irq_base + MAX8925_IRQ_VCHG_DC_OVP;
+	for (; irq <= chip->irq_base + MAX8925_IRQ_VCHG_TMR_FAULT; irq++)
+		free_irq(irq, info);
+
+	return 0;
+}
+
+static __devinit int max8925_power_probe(struct platform_device *pdev)
+{
+	struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
+	struct max8925_platform_data *max8925_pdata;
+	struct max8925_power_pdata *pdata = NULL;
+	struct max8925_power_info *info;
+	int ret;
+
+	if (pdev->dev.parent->platform_data) {
+		max8925_pdata = pdev->dev.parent->platform_data;
+		pdata = max8925_pdata->power;
+	}
+
+	if (!pdata) {
+		dev_err(&pdev->dev, "platform data isn't assigned to "
+			"power supply\n");
+		return -EINVAL;
+	}
+
+	info = kzalloc(sizeof(struct max8925_power_info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+	info->chip = chip;
+	info->gpm = chip->i2c;
+	info->adc = chip->adc;
+
+	info->ac.name = "max8925-ac";
+	info->ac.type = POWER_SUPPLY_TYPE_MAINS;
+	info->ac.properties = max8925_ac_props;
+	info->ac.num_properties = ARRAY_SIZE(max8925_ac_props);
+	info->ac.get_property = max8925_ac_get_prop;
+	ret = power_supply_register(&pdev->dev, &info->ac);
+	if (ret)
+		goto out;
+	info->ac.dev->parent = &pdev->dev;
+
+	info->usb.name = "max8925-usb";
+	info->usb.type = POWER_SUPPLY_TYPE_USB;
+	info->usb.properties = max8925_usb_props;
+	info->usb.num_properties = ARRAY_SIZE(max8925_usb_props);
+	info->usb.get_property = max8925_usb_get_prop;
+	ret = power_supply_register(&pdev->dev, &info->usb);
+	if (ret)
+		goto out_usb;
+	info->usb.dev->parent = &pdev->dev;
+
+	info->battery.name = "max8925-battery";
+	info->battery.type = POWER_SUPPLY_TYPE_BATTERY;
+	info->battery.properties = max8925_battery_props;
+	info->battery.num_properties = ARRAY_SIZE(max8925_battery_props);
+	info->battery.get_property = max8925_bat_get_prop;
+	ret = power_supply_register(&pdev->dev, &info->battery);
+	if (ret)
+		goto out_battery;
+	info->battery.dev->parent = &pdev->dev;
+
+	info->batt_detect = pdata->batt_detect;
+	info->topoff_threshold = pdata->topoff_threshold;
+	info->fast_charge = pdata->fast_charge;
+	info->set_charger = pdata->set_charger;
+	dev_set_drvdata(&pdev->dev, info);
+	platform_set_drvdata(pdev, info);
+
+	max8925_init_charger(chip, info);
+	return 0;
+out_battery:
+	power_supply_unregister(&info->battery);
+out_usb:
+	power_supply_unregister(&info->ac);
+out:
+	kfree(info);
+	return ret;
+}
+
+static __devexit int max8925_power_remove(struct platform_device *pdev)
+{
+	struct max8925_power_info *info = platform_get_drvdata(pdev);
+
+	if (info) {
+		power_supply_unregister(&info->ac);
+		power_supply_unregister(&info->usb);
+		power_supply_unregister(&info->battery);
+		max8925_deinit_charger(info);
+		kfree(info);
+	}
+	return 0;
+}
+
+static struct platform_driver max8925_power_driver = {
+	.probe	= max8925_power_probe,
+	.remove	= __devexit_p(max8925_power_remove),
+	.driver	= {
+		.name	= "max8925-power",
+	},
+};
+
+static int __init max8925_power_init(void)
+{
+	return platform_driver_register(&max8925_power_driver);
+}
+module_init(max8925_power_init);
+
+static void __exit max8925_power_exit(void)
+{
+	platform_driver_unregister(&max8925_power_driver);
+}
+module_exit(max8925_power_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Power supply driver for MAX8925");
+MODULE_ALIAS("platform:max8925-power");
diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c
index c790e0c77d4b..ff05e6189768 100644
--- a/drivers/power/power_supply_sysfs.c
+++ b/drivers/power/power_supply_sysfs.c
@@ -99,6 +99,7 @@ static struct device_attribute power_supply_attrs[] = {
 	POWER_SUPPLY_ATTR(present),
 	POWER_SUPPLY_ATTR(online),
 	POWER_SUPPLY_ATTR(technology),
+	POWER_SUPPLY_ATTR(cycle_count),
 	POWER_SUPPLY_ATTR(voltage_max),
 	POWER_SUPPLY_ATTR(voltage_min),
 	POWER_SUPPLY_ATTR(voltage_max_design),
diff --git a/drivers/power/wm8350_power.c b/drivers/power/wm8350_power.c
index ad4f071e1287..0693902d6151 100644
--- a/drivers/power/wm8350_power.c
+++ b/drivers/power/wm8350_power.c
@@ -190,7 +190,7 @@ static irqreturn_t wm8350_charger_handler(int irq, void *data)
 	struct wm8350_power *power = &wm8350->power;
 	struct wm8350_charger_policy *policy = power->policy;
 
-	switch (irq) {
+	switch (irq - wm8350->irq_base) {
 	case WM8350_IRQ_CHG_BAT_FAIL:
 		dev_err(wm8350->dev, "battery failed\n");
 		break;
@@ -428,18 +428,18 @@ static void wm8350_init_charger(struct wm8350 *wm8350)
 
 static void free_charger_irq(struct wm8350 *wm8350)
 {
-	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_BAT_HOT);
-	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_BAT_COLD);
-	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_BAT_FAIL);
-	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_TO);
-	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_END);
-	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_START);
-	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P9);
-	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P1);
-	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_2P85);
-	wm8350_free_irq(wm8350, WM8350_IRQ_EXT_USB_FB);
-	wm8350_free_irq(wm8350, WM8350_IRQ_EXT_WALL_FB);
-	wm8350_free_irq(wm8350, WM8350_IRQ_EXT_BAT_FB);
+	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_BAT_HOT, wm8350);
+	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_BAT_COLD, wm8350);
+	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_BAT_FAIL, wm8350);
+	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_TO, wm8350);
+	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_END, wm8350);
+	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_START, wm8350);
+	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P9, wm8350);
+	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_3P1, wm8350);
+	wm8350_free_irq(wm8350, WM8350_IRQ_CHG_VBATT_LT_2P85, wm8350);
+	wm8350_free_irq(wm8350, WM8350_IRQ_EXT_USB_FB, wm8350);
+	wm8350_free_irq(wm8350, WM8350_IRQ_EXT_WALL_FB, wm8350);
+	wm8350_free_irq(wm8350, WM8350_IRQ_EXT_BAT_FB, wm8350);
 }
 
 static __devinit int wm8350_power_probe(struct platform_device *pdev)
diff --git a/drivers/power/wm97xx_battery.c b/drivers/power/wm97xx_battery.c
index 6ea3cb5837c7..23eed356a854 100644
--- a/drivers/power/wm97xx_battery.c
+++ b/drivers/power/wm97xx_battery.c
@@ -26,7 +26,7 @@
 
 static DEFINE_MUTEX(bat_lock);
 static struct work_struct bat_work;
-struct mutex work_lock;
+static struct mutex work_lock;
 static int bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
 static struct wm97xx_batt_info *gpdata;
 static enum power_supply_property *prop;
@@ -203,7 +203,7 @@ static int __devinit wm97xx_bat_probe(struct platform_device *dev)
 			goto err2;
 		ret = request_irq(gpio_to_irq(pdata->charge_gpio),
 				wm97xx_chrg_irq, IRQF_DISABLED,
-				"AC Detect", 0);
+				"AC Detect", dev);
 		if (ret)
 			goto err2;
 		props++;	/* POWER_SUPPLY_PROP_STATUS */
diff --git a/drivers/pps/Kconfig b/drivers/pps/Kconfig
index cc2eb8edb514..1afe4e03440f 100644
--- a/drivers/pps/Kconfig
+++ b/drivers/pps/Kconfig
@@ -30,4 +30,6 @@ config PPS_DEBUG
 	  messages to the system log.  Select this if you are having a
 	  problem with PPS support and want to see more of what is going on.
 
+source drivers/pps/clients/Kconfig
+
 endmenu
diff --git a/drivers/pps/Makefile b/drivers/pps/Makefile
index 19ea582f431d..98960ddd3188 100644
--- a/drivers/pps/Makefile
+++ b/drivers/pps/Makefile
@@ -4,5 +4,6 @@
 
 pps_core-y			:= pps.o kapi.o sysfs.o
 obj-$(CONFIG_PPS)		:= pps_core.o
+obj-y				+= clients/
 
 ccflags-$(CONFIG_PPS_DEBUG) := -DDEBUG
diff --git a/drivers/pps/clients/Kconfig b/drivers/pps/clients/Kconfig
new file mode 100644
index 000000000000..4e801bd7254f
--- /dev/null
+++ b/drivers/pps/clients/Kconfig
@@ -0,0 +1,25 @@
+#
+# PPS clients configuration
+#
+
+if PPS
+
+comment "PPS clients support"
+
+config PPS_CLIENT_KTIMER
+	tristate "Kernel timer client (Testing client, use for debug)"
+	help
+	  If you say yes here you get support for a PPS debugging client
+	  which uses a kernel timer to generate the PPS signal.
+
+	  This driver can also be built as a module.  If so, the module
+	  will be called pps-ktimer.
+
+config PPS_CLIENT_LDISC
+	tristate "PPS line discipline"
+	depends on PPS
+	help
+	  If you say yes here you get support for a PPS source connected
+	  with the CD (Carrier Detect) pin of your serial port.
+
+endif
diff --git a/drivers/pps/clients/Makefile b/drivers/pps/clients/Makefile
new file mode 100644
index 000000000000..812c9b19b430
--- /dev/null
+++ b/drivers/pps/clients/Makefile
@@ -0,0 +1,10 @@
+#
+# Makefile for PPS clients.
+#
+
+obj-$(CONFIG_PPS_CLIENT_KTIMER)	+= pps-ktimer.o
+obj-$(CONFIG_PPS_CLIENT_LDISC)	+= pps-ldisc.o
+
+ifeq ($(CONFIG_PPS_DEBUG),y)
+EXTRA_CFLAGS += -DDEBUG
+endif
diff --git a/drivers/pps/clients/pps-ktimer.c b/drivers/pps/clients/pps-ktimer.c
new file mode 100644
index 000000000000..e7ef5b8186d0
--- /dev/null
+++ b/drivers/pps/clients/pps-ktimer.c
@@ -0,0 +1,123 @@
+/*
+ * pps-ktimer.c -- kernel timer test client
+ *
+ *
+ * Copyright (C) 2005-2006   Rodolfo Giometti <giometti@linux.it>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/time.h>
+#include <linux/timer.h>
+#include <linux/pps_kernel.h>
+
+/*
+ * Global variables
+ */
+
+static int source;
+static struct timer_list ktimer;
+
+/*
+ * The kernel timer
+ */
+
+static void pps_ktimer_event(unsigned long ptr)
+{
+	struct timespec __ts;
+	struct pps_ktime ts;
+
+	/* First of all we get the time stamp... */
+	getnstimeofday(&__ts);
+
+	pr_info("PPS event at %lu\n", jiffies);
+
+	/* ... and translate it to PPS time data struct */
+	ts.sec = __ts.tv_sec;
+	ts.nsec = __ts.tv_nsec;
+
+	pps_event(source, &ts, PPS_CAPTUREASSERT, NULL);
+
+	mod_timer(&ktimer, jiffies + HZ);
+}
+
+/*
+ * The echo function
+ */
+
+static void pps_ktimer_echo(int source, int event, void *data)
+{
+	pr_info("echo %s %s for source %d\n",
+		event & PPS_CAPTUREASSERT ? "assert" : "",
+		event & PPS_CAPTURECLEAR ? "clear" : "",
+		source);
+}
+
+/*
+ * The PPS info struct
+ */
+
+static struct pps_source_info pps_ktimer_info = {
+	.name		= "ktimer",
+	.path		= "",
+	.mode		= PPS_CAPTUREASSERT | PPS_OFFSETASSERT |
+			  PPS_ECHOASSERT |
+			  PPS_CANWAIT | PPS_TSFMT_TSPEC,
+	.echo		= pps_ktimer_echo,
+	.owner		= THIS_MODULE,
+};
+
+/*
+ * Module staff
+ */
+
+static void __exit pps_ktimer_exit(void)
+{
+	del_timer_sync(&ktimer);
+	pps_unregister_source(source);
+
+	pr_info("ktimer PPS source unregistered\n");
+}
+
+static int __init pps_ktimer_init(void)
+{
+	int ret;
+
+	ret = pps_register_source(&pps_ktimer_info,
+				PPS_CAPTUREASSERT | PPS_OFFSETASSERT);
+	if (ret < 0) {
+		printk(KERN_ERR "cannot register ktimer source\n");
+		return ret;
+	}
+	source = ret;
+
+	setup_timer(&ktimer, pps_ktimer_event, 0);
+	mod_timer(&ktimer, jiffies + HZ);
+
+	pr_info("ktimer PPS source registered at %d\n", source);
+
+	return  0;
+}
+
+module_init(pps_ktimer_init);
+module_exit(pps_ktimer_exit);
+
+MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>");
+MODULE_DESCRIPTION("dummy PPS source by using a kernel timer (just for debug)");
+MODULE_LICENSE("GPL");
diff --git a/drivers/pps/clients/pps-ldisc.c b/drivers/pps/clients/pps-ldisc.c
new file mode 100644
index 000000000000..8e1932d29fd4
--- /dev/null
+++ b/drivers/pps/clients/pps-ldisc.c
@@ -0,0 +1,154 @@
+/*
+ * pps-ldisc.c -- PPS line discipline
+ *
+ *
+ * Copyright (C) 2008	Rodolfo Giometti <giometti@linux.it>
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/serial_core.h>
+#include <linux/tty.h>
+#include <linux/pps_kernel.h>
+
+#define PPS_TTY_MAGIC		0x0001
+
+static void pps_tty_dcd_change(struct tty_struct *tty, unsigned int status,
+				struct timespec *ts)
+{
+	int id = (long)tty->disc_data;
+	struct timespec __ts;
+	struct pps_ktime pps_ts;
+
+	/* First of all we get the time stamp... */
+	getnstimeofday(&__ts);
+
+	/* Does caller give us a timestamp? */
+	if (ts) {	/* Yes. Let's use it! */
+		pps_ts.sec = ts->tv_sec;
+		pps_ts.nsec = ts->tv_nsec;
+	} else {	/* No. Do it ourself! */
+		pps_ts.sec = __ts.tv_sec;
+		pps_ts.nsec = __ts.tv_nsec;
+	}
+
+	/* Now do the PPS event report */
+	pps_event(id, &pps_ts, status ? PPS_CAPTUREASSERT : PPS_CAPTURECLEAR,
+			NULL);
+
+	pr_debug("PPS %s at %lu on source #%d\n",
+			status ? "assert" : "clear", jiffies, id);
+}
+
+static int (*alias_n_tty_open)(struct tty_struct *tty);
+
+static int pps_tty_open(struct tty_struct *tty)
+{
+	struct pps_source_info info;
+	struct tty_driver *drv = tty->driver;
+	int index = tty->index + drv->name_base;
+	int ret;
+
+	info.owner = THIS_MODULE;
+	info.dev = NULL;
+	snprintf(info.name, PPS_MAX_NAME_LEN, "%s%d", drv->driver_name, index);
+	snprintf(info.path, PPS_MAX_NAME_LEN, "/dev/%s%d", drv->name, index);
+	info.mode = PPS_CAPTUREBOTH | \
+			PPS_OFFSETASSERT | PPS_OFFSETCLEAR | \
+			PPS_CANWAIT | PPS_TSFMT_TSPEC;
+
+	ret = pps_register_source(&info, PPS_CAPTUREBOTH | \
+				PPS_OFFSETASSERT | PPS_OFFSETCLEAR);
+	if (ret < 0) {
+		pr_err("cannot register PPS source \"%s\"\n", info.path);
+		return ret;
+	}
+	tty->disc_data = (void *)(long)ret;
+
+	/* Should open N_TTY ldisc too */
+	ret = alias_n_tty_open(tty);
+	if (ret < 0)
+		pps_unregister_source((long)tty->disc_data);
+
+	pr_info("PPS source #%d \"%s\" added\n", ret, info.path);
+
+	return 0;
+}
+
+static void (*alias_n_tty_close)(struct tty_struct *tty);
+
+static void pps_tty_close(struct tty_struct *tty)
+{
+	int id = (long)tty->disc_data;
+
+	pps_unregister_source(id);
+	alias_n_tty_close(tty);
+
+	pr_info("PPS source #%d removed\n", id);
+}
+
+static struct tty_ldisc_ops pps_ldisc_ops;
+
+/*
+ * Module stuff
+ */
+
+static int __init pps_tty_init(void)
+{
+	int err;
+
+	/* Inherit the N_TTY's ops */
+	n_tty_inherit_ops(&pps_ldisc_ops);
+
+	/* Save N_TTY's open()/close() methods */
+	alias_n_tty_open = pps_ldisc_ops.open;
+	alias_n_tty_close = pps_ldisc_ops.close;
+
+	/* Init PPS_TTY data */
+	pps_ldisc_ops.owner = THIS_MODULE;
+	pps_ldisc_ops.magic = PPS_TTY_MAGIC;
+	pps_ldisc_ops.name = "pps_tty";
+	pps_ldisc_ops.dcd_change = pps_tty_dcd_change;
+	pps_ldisc_ops.open = pps_tty_open;
+	pps_ldisc_ops.close = pps_tty_close;
+
+	err = tty_register_ldisc(N_PPS, &pps_ldisc_ops);
+	if (err)
+		pr_err("can't register PPS line discipline\n");
+	else
+		pr_info("PPS line discipline registered\n");
+
+	return err;
+}
+
+static void __exit pps_tty_cleanup(void)
+{
+	int err;
+
+	err = tty_unregister_ldisc(N_PPS);
+	if (err)
+		pr_err("can't unregister PPS line discipline\n");
+	else
+		pr_info("PPS line discipline removed\n");
+}
+
+module_init(pps_tty_init);
+module_exit(pps_tty_cleanup);
+
+MODULE_ALIAS_LDISC(N_PPS);
+MODULE_AUTHOR("Rodolfo Giometti <giometti@linux.it>");
+MODULE_DESCRIPTION("PPS TTY device driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/regulator/88pm8607.c b/drivers/regulator/88pm8607.c
index 04719551381b..5fb83e2ced25 100644
--- a/drivers/regulator/88pm8607.c
+++ b/drivers/regulator/88pm8607.c
@@ -11,15 +11,17 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/err.h>
+#include <linux/i2c.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
-#include <linux/mfd/88pm8607.h>
+#include <linux/mfd/88pm860x.h>
 
 struct pm8607_regulator_info {
 	struct regulator_desc	desc;
-	struct pm8607_chip	*chip;
+	struct pm860x_chip	*chip;
 	struct regulator_dev	*regulator;
+	struct i2c_client	*i2c;
 
 	int	min_uV;
 	int	max_uV;
@@ -46,7 +48,6 @@ static inline int check_range(struct pm8607_regulator_info *info,
 static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
 {
 	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-	uint8_t chip_id = info->chip->chip_id;
 	int ret = -EINVAL;
 
 	switch (info->desc.id) {
@@ -88,79 +89,29 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
 	case PM8607_ID_LDO2:
 	case PM8607_ID_LDO3:
 	case PM8607_ID_LDO9:
-		switch (chip_id) {
-		case PM8607_CHIP_A0:
-		case PM8607_CHIP_A1:
-			ret = (index < 3) ? (index * 50000 + 1800000) :
-				((index < 8) ? (index * 50000 + 2550000) :
-				 -EINVAL);
-			break;
-		case PM8607_CHIP_B0:
-			ret = (index < 3) ? (index * 50000 + 1800000) :
-				((index < 7) ? (index * 50000 + 2550000) :
-				3300000);
-			break;
-		}
+		ret = (index < 3) ? (index * 50000 + 1800000) :
+			((index < 7) ? (index * 50000 + 2550000) :
+			3300000);
 		break;
 	case PM8607_ID_LDO4:
-		switch (chip_id) {
-		case PM8607_CHIP_A0:
-		case PM8607_CHIP_A1:
-			ret = (index < 3) ? (index * 50000 + 1800000) :
-				((index < 8) ? (index * 50000 + 2550000) :
-				 -EINVAL);
-			break;
-		case PM8607_CHIP_B0:
-			ret = (index < 3) ? (index * 50000 + 1800000) :
-				((index < 6) ? (index * 50000 + 2550000) :
-				((index == 6) ? 2900000 : 3300000));
-			break;
-		}
+		ret = (index < 3) ? (index * 50000 + 1800000) :
+			((index < 6) ? (index * 50000 + 2550000) :
+			((index == 6) ? 2900000 : 3300000));
 		break;
 	case PM8607_ID_LDO6:
-		switch (chip_id) {
-		case PM8607_CHIP_A0:
-		case PM8607_CHIP_A1:
-			ret = (index < 3) ? (index * 50000 + 1800000) :
-				((index < 8) ? (index * 50000 + 2450000) :
-				-EINVAL);
-			break;
-		case PM8607_CHIP_B0:
-			ret = (index < 2) ? (index * 50000 + 1800000) :
-				((index < 7) ? (index * 50000 + 2500000) :
-				3300000);
-			break;
-		}
+		ret = (index < 2) ? (index * 50000 + 1800000) :
+			((index < 7) ? (index * 50000 + 2500000) :
+			3300000);
 		break;
 	case PM8607_ID_LDO10:
-		switch (chip_id) {
-		case PM8607_CHIP_A0:
-		case PM8607_CHIP_A1:
-			ret = (index < 3) ? (index * 50000 + 1800000) :
-				((index < 8) ? (index * 50000 + 2550000) :
-				1200000);
-			break;
-		case PM8607_CHIP_B0:
-			ret = (index < 3) ? (index * 50000 + 1800000) :
-				((index < 7) ? (index * 50000 + 2550000) :
-				((index == 7) ? 3300000 : 1200000));
-			break;
-		}
+		ret = (index < 3) ? (index * 50000 + 1800000) :
+			((index < 7) ? (index * 50000 + 2550000) :
+			((index == 7) ? 3300000 : 1200000));
 		break;
 	case PM8607_ID_LDO14:
-		switch (chip_id) {
-		case PM8607_CHIP_A0:
-		case PM8607_CHIP_A1:
-			ret = (index < 3) ? (index * 50000 + 1800000) :
-				((index < 8) ? (index * 50000 + 2550000) :
-				 -EINVAL);
-			break;
-		case PM8607_CHIP_B0:
-			ret = (index < 2) ? (index * 50000 + 1800000) :
-				((index < 7) ? (index * 50000 + 2600000) :
-				3300000);
-			break;
-		}
+		ret = (index < 2) ? (index * 50000 + 1800000) :
+			((index < 7) ? (index * 50000 + 2600000) :
+			3300000);
 		break;
 	}
 	return ret;
@@ -169,7 +120,6 @@ static int pm8607_list_voltage(struct regulator_dev *rdev, unsigned index)
 static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
 {
 	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-	uint8_t chip_id = info->chip->chip_id;
 	int val = -ENOENT;
 	int ret;
 
@@ -254,161 +204,77 @@ static int choose_voltage(struct regulator_dev *rdev, int min_uV, int max_uV)
 	case PM8607_ID_LDO2:
 	case PM8607_ID_LDO3:
 	case PM8607_ID_LDO9:
-		switch (chip_id) {
-		case PM8607_CHIP_A0:
-		case PM8607_CHIP_A1:
-			if (min_uV < 2700000)	/* 1800mV ~ 1900mV / 50mV */
-				if (min_uV <= 1800000)
-					val = 0;
-				else if (min_uV <= 1900000)
-					val = (min_uV - 1750001) / 50000;
-				else
-					val = 3;	/* 2700mV */
-			else {			/* 2700mV ~ 2900mV / 50mV */
-				if (min_uV <= 2900000) {
-					val = (min_uV - 2650001) / 50000;
-					val += 3;
-				} else
-					val = -EINVAL;
-			}
-			break;
-		case PM8607_CHIP_B0:
-			if (min_uV < 2700000) {	/* 1800mV ~ 1900mV / 50mV */
-				if (min_uV <= 1800000)
-					val = 0;
-				else if (min_uV <= 1900000)
-					val = (min_uV - 1750001) / 50000;
-				else
-					val = 3;	/* 2700mV */
-			} else {		 /* 2700mV ~ 2850mV / 50mV */
-				if (min_uV <= 2850000) {
-					val = (min_uV - 2650001) / 50000;
-					val += 3;
-				} else if (min_uV <= 3300000)
-					val = 7;
-				else
-					val = -EINVAL;
-			}
-			break;
+		if (min_uV < 2700000) {	/* 1800mV ~ 1900mV / 50mV */
+			if (min_uV <= 1800000)
+				val = 0;
+			else if (min_uV <= 1900000)
+				val = (min_uV - 1750001) / 50000;
+			else
+				val = 3;	/* 2700mV */
+		} else {		 /* 2700mV ~ 2850mV / 50mV */
+			if (min_uV <= 2850000) {
+				val = (min_uV - 2650001) / 50000;
+				val += 3;
+			} else if (min_uV <= 3300000)
+				val = 7;
+			else
+				val = -EINVAL;
 		}
 		break;
 	case PM8607_ID_LDO4:
-		switch (chip_id) {
-		case PM8607_CHIP_A0:
-		case PM8607_CHIP_A1:
-			if (min_uV < 2700000)	/* 1800mV ~ 1900mV / 50mV */
-				if (min_uV <= 1800000)
-					val = 0;
-				else if (min_uV <= 1900000)
-					val = (min_uV - 1750001) / 50000;
-				else
-					val = 3;	/* 2700mV */
-			else {			/* 2700mV ~ 2900mV / 50mV */
-				if (min_uV <= 2900000) {
-					val = (min_uV - 2650001) / 50000;
-					val += 3;
-				} else
-					val = -EINVAL;
-			}
-			break;
-		case PM8607_CHIP_B0:
-			if (min_uV < 2700000) {	/* 1800mV ~ 1900mV / 50mV */
-				if (min_uV <= 1800000)
-					val = 0;
-				else if (min_uV <= 1900000)
-					val = (min_uV - 1750001) / 50000;
-				else
-					val = 3;	/* 2700mV */
-			} else {		 /* 2700mV ~ 2800mV / 50mV */
-				if (min_uV <= 2850000) {
-					val = (min_uV - 2650001) / 50000;
-					val += 3;
-				} else if (min_uV <= 2900000)
-					val = 6;
-				else if (min_uV <= 3300000)
-					val = 7;
-				else
-					val = -EINVAL;
-			}
-			break;
+		if (min_uV < 2700000) {	/* 1800mV ~ 1900mV / 50mV */
+			if (min_uV <= 1800000)
+				val = 0;
+			else if (min_uV <= 1900000)
+				val = (min_uV - 1750001) / 50000;
+			else
+				val = 3;	/* 2700mV */
+		} else {		 /* 2700mV ~ 2800mV / 50mV */
+			if (min_uV <= 2850000) {
+				val = (min_uV - 2650001) / 50000;
+				val += 3;
+			} else if (min_uV <= 2900000)
+				val = 6;
+			else if (min_uV <= 3300000)
+				val = 7;
+			else
+				val = -EINVAL;
 		}
 		break;
 	case PM8607_ID_LDO6:
-		switch (chip_id) {
-		case PM8607_CHIP_A0:
-		case PM8607_CHIP_A1:
-			if (min_uV < 2600000) {	/* 1800mV ~ 1900mV / 50mV */
-				if (min_uV <= 1800000)
-					val = 0;
-				else if (min_uV <= 1900000)
-					val = (min_uV - 1750001) / 50000;
-				else
-					val = 3;	/* 2600mV */
-			} else {		/* 2600mV ~ 2800mV / 50mV */
-				if (min_uV <= 2800000) {
-					val = (min_uV - 2550001) / 50000;
-					val += 3;
-				} else
-					val = -EINVAL;
-			}
-			break;
-		case PM8607_CHIP_B0:
-			if (min_uV < 2600000) {	/* 1800mV ~ 1850mV / 50mV */
-				if (min_uV <= 1800000)
-					val = 0;
-				else if (min_uV <= 1850000)
-					val = (min_uV - 1750001) / 50000;
-				else
-					val = 2;	/* 2600mV */
-			} else {		/* 2600mV ~ 2800mV / 50mV */
-				if (min_uV <= 2800000) {
-					val = (min_uV - 2550001) / 50000;
-					val += 2;
-				} else if (min_uV <= 3300000)
-					val = 7;
-				else
-					val = -EINVAL;
-			}
-			break;
+		if (min_uV < 2600000) {	/* 1800mV ~ 1850mV / 50mV */
+			if (min_uV <= 1800000)
+				val = 0;
+			else if (min_uV <= 1850000)
+				val = (min_uV - 1750001) / 50000;
+			else
+				val = 2;	/* 2600mV */
+		} else {		/* 2600mV ~ 2800mV / 50mV */
+			if (min_uV <= 2800000) {
+				val = (min_uV - 2550001) / 50000;
+				val += 2;
+			} else if (min_uV <= 3300000)
+				val = 7;
+			else
+				val = -EINVAL;
 		}
 		break;
 	case PM8607_ID_LDO14:
-		switch (chip_id) {
-		case PM8607_CHIP_A0:
-		case PM8607_CHIP_A1:
-			if (min_uV < 2700000) {	/* 1800mV ~ 1900mV / 50mV */
-				if (min_uV <= 1800000)
-					val = 0;
-				else if (min_uV <= 1900000)
-					val = (min_uV - 1750001) / 50000;
-				else
-					val = 3;	/* 2700mV */
-			} else {		 /* 2700mV ~ 2900mV / 50mV */
-				if (min_uV <= 2900000) {
-					val = (min_uV - 2650001) / 50000;
-					val += 3;
-				} else
-					val = -EINVAL;
-			}
-			break;
-		case PM8607_CHIP_B0:
-			if (min_uV < 2700000) {	/* 1800mV ~ 1850mV / 50mV */
-				if (min_uV <= 1800000)
-					val = 0;
-				else if (min_uV <= 1850000)
-					val = (min_uV - 1750001) / 50000;
-				else
-					val = 2;	/* 2700mV */
-			} else {		 /* 2700mV ~ 2900mV / 50mV */
-				if (min_uV <= 2900000) {
-					val = (min_uV - 2650001) / 50000;
-					val += 2;
-				} else if (min_uV <= 3300000)
-					val = 7;
-				else
-					val = -EINVAL;
-			}
-			break;
+		if (min_uV < 2700000) {	/* 1800mV ~ 1850mV / 50mV */
+			if (min_uV <= 1800000)
+				val = 0;
+			else if (min_uV <= 1850000)
+				val = (min_uV - 1750001) / 50000;
+			else
+				val = 2;	/* 2700mV */
+		} else {		 /* 2700mV ~ 2900mV / 50mV */
+			if (min_uV <= 2900000) {
+				val = (min_uV - 2650001) / 50000;
+				val += 2;
+			} else if (min_uV <= 3300000)
+				val = 7;
+			else
+				val = -EINVAL;
 		}
 		break;
 	}
@@ -428,7 +294,6 @@ static int pm8607_set_voltage(struct regulator_dev *rdev,
 			      int min_uV, int max_uV)
 {
 	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-	struct pm8607_chip *chip = info->chip;
 	uint8_t val, mask;
 	int ret;
 
@@ -443,13 +308,13 @@ static int pm8607_set_voltage(struct regulator_dev *rdev,
 	val = (uint8_t)(ret << info->vol_shift);
 	mask = ((1 << info->vol_nbits) - 1)  << info->vol_shift;
 
-	ret = pm8607_set_bits(chip, info->vol_reg, mask, val);
+	ret = pm860x_set_bits(info->i2c, info->vol_reg, mask, val);
 	if (ret)
 		return ret;
 	switch (info->desc.id) {
 	case PM8607_ID_BUCK1:
 	case PM8607_ID_BUCK3:
-		ret = pm8607_set_bits(chip, info->update_reg,
+		ret = pm860x_set_bits(info->i2c, info->update_reg,
 				      1 << info->update_bit,
 				      1 << info->update_bit);
 		break;
@@ -460,11 +325,10 @@ static int pm8607_set_voltage(struct regulator_dev *rdev,
 static int pm8607_get_voltage(struct regulator_dev *rdev)
 {
 	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-	struct pm8607_chip *chip = info->chip;
 	uint8_t val, mask;
 	int ret;
 
-	ret = pm8607_reg_read(chip, info->vol_reg);
+	ret = pm860x_reg_read(info->i2c, info->vol_reg);
 	if (ret < 0)
 		return ret;
 
@@ -477,9 +341,8 @@ static int pm8607_get_voltage(struct regulator_dev *rdev)
 static int pm8607_enable(struct regulator_dev *rdev)
 {
 	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-	struct pm8607_chip *chip = info->chip;
 
-	return pm8607_set_bits(chip, info->enable_reg,
+	return pm860x_set_bits(info->i2c, info->enable_reg,
 			       1 << info->enable_bit,
 			       1 << info->enable_bit);
 }
@@ -487,19 +350,17 @@ static int pm8607_enable(struct regulator_dev *rdev)
 static int pm8607_disable(struct regulator_dev *rdev)
 {
 	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-	struct pm8607_chip *chip = info->chip;
 
-	return pm8607_set_bits(chip, info->enable_reg,
+	return pm860x_set_bits(info->i2c, info->enable_reg,
 			       1 << info->enable_bit, 0);
 }
 
 static int pm8607_is_enabled(struct regulator_dev *rdev)
 {
 	struct pm8607_regulator_info *info = rdev_get_drvdata(rdev);
-	struct pm8607_chip *chip = info->chip;
 	int ret;
 
-	ret = pm8607_reg_read(chip, info->enable_reg);
+	ret = pm860x_reg_read(info->i2c, info->enable_reg);
 	if (ret < 0)
 		return ret;
 
@@ -589,8 +450,8 @@ static inline struct pm8607_regulator_info *find_regulator_info(int id)
 
 static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
 {
-	struct pm8607_chip *chip = dev_get_drvdata(pdev->dev.parent);
-	struct pm8607_platform_data *pdata = chip->dev->platform_data;
+	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
+	struct pm860x_platform_data *pdata = chip->dev->platform_data;
 	struct pm8607_regulator_info *info = NULL;
 
 	info = find_regulator_info(pdev->id);
@@ -599,6 +460,7 @@ static int __devinit pm8607_regulator_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
+	info->i2c = (chip->id == CHIP_PM8607) ? chip->client : chip->companion;
 	info->chip = chip;
 
 	info->regulator = regulator_register(&info->desc, &pdev->dev,
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 262f62eec837..04f2e085116a 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -27,6 +27,17 @@ config REGULATOR_DEBUG
 	help
 	  Say yes here to enable debugging support.
 
+config REGULATOR_DUMMY
+	bool "Provide a dummy regulator if regulator lookups fail"
+	help
+	  If this option is enabled then when a regulator lookup fails
+	  and the board has not specified that it has provided full
+	  constraints then the regulator core will provide an always
+	  enabled dummy regulator will be provided, allowing consumer
+	  drivers to continue.
+
+	  A warning will be generated when this substitution is done.
+
 config REGULATOR_FIXED_VOLTAGE
 	tristate "Fixed voltage regulator support"
 	help
@@ -69,6 +80,13 @@ config REGULATOR_MAX1586
 	  regulator via I2C bus. The provided regulator is suitable
 	  for PXA27x chips to control VCC_CORE and VCC_USIM voltages.
 
+config REGULATOR_MAX8649
+	tristate "Maxim 8649 voltage regulator"
+	depends on I2C
+	help
+	  This driver controls a Maxim 8649 voltage output regulator via
+	  I2C bus.
+
 config REGULATOR_MAX8660
 	tristate "Maxim 8660/8661 voltage regulator"
 	depends on I2C
@@ -76,6 +94,12 @@ config REGULATOR_MAX8660
 	  This driver controls a Maxim 8660/8661 voltage output
 	  regulator via I2C bus.
 
+config REGULATOR_MAX8925
+	tristate "Maxim MAX8925 Power Management IC"
+	depends on MFD_MAX8925
+	help
+	  Say y here to support the voltage regulaltor of Maxim MAX8925 PMIC.
+
 config REGULATOR_TWL4030
 	bool "TI TWL4030/TWL5030/TWL6030/TPS695x0 PMIC"
 	depends on TWL4030_CORE
@@ -91,19 +115,26 @@ config REGULATOR_WM831X
 	  of PMIC devices.
 
 config REGULATOR_WM8350
-	tristate "Wolfson Microelectroncis WM8350 AudioPlus PMIC"
+	tristate "Wolfson Microelectronics WM8350 AudioPlus PMIC"
 	depends on MFD_WM8350
 	help
 	  This driver provides support for the voltage and current regulators
           of the WM8350 AudioPlus PMIC.
 
 config REGULATOR_WM8400
-	tristate "Wolfson Microelectroncis WM8400 AudioPlus PMIC"
+	tristate "Wolfson Microelectronics WM8400 AudioPlus PMIC"
 	depends on MFD_WM8400
 	help
 	  This driver provides support for the voltage regulators of the
 	  WM8400 AudioPlus PMIC.
 
+config REGULATOR_WM8994
+	tristate "Wolfson Microelectronics WM8994 CODEC"
+	depends on MFD_WM8994
+	help
+	  This driver provides support for the voltage regulators on the
+	  WM8994 CODEC.
+
 config REGULATOR_DA903X
 	tristate "Support regulators on Dialog Semiconductor DA9030/DA9034 PMIC"
 	depends on PMIC_DA903X
@@ -166,7 +197,7 @@ config REGULATOR_TPS6507X
 
 config REGULATOR_88PM8607
 	bool "Marvell 88PM8607 Power regulators"
-	depends on MFD_88PM8607=y
+	depends on MFD_88PM860X=y
 	help
 	  This driver supports 88PM8607 voltage regulator chips.
 
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index b3c806c79415..4e7feece22d5 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -9,15 +9,19 @@ obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o
 obj-$(CONFIG_REGULATOR_USERSPACE_CONSUMER) += userspace-consumer.o
 
 obj-$(CONFIG_REGULATOR_BQ24022) += bq24022.o
+obj-$(CONFIG_REGULATOR_DUMMY) += dummy.o
 obj-$(CONFIG_REGULATOR_LP3971) += lp3971.o
 obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o
 obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o
+obj-$(CONFIG_REGULATOR_MAX8649)	+= max8649.o
 obj-$(CONFIG_REGULATOR_MAX8660) += max8660.o
+obj-$(CONFIG_REGULATOR_MAX8925) += max8925-regulator.o
 obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o
 obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o
 obj-$(CONFIG_REGULATOR_WM831X) += wm831x-ldo.o
 obj-$(CONFIG_REGULATOR_WM8350) += wm8350-regulator.o
 obj-$(CONFIG_REGULATOR_WM8400) += wm8400-regulator.o
+obj-$(CONFIG_REGULATOR_WM8994) += wm8994-regulator.o
 obj-$(CONFIG_REGULATOR_DA903X)	+= da903x.o
 obj-$(CONFIG_REGULATOR_PCF50633) += pcf50633-regulator.o
 obj-$(CONFIG_REGULATOR_PCAP) += pcap-regulator.o
diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index b349db4504b7..7de950959ed2 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -561,7 +561,7 @@ ab3100_regulator_desc[AB3100_NUM_REGULATORS] = {
  * for all the different regulators.
  */
 
-static int __init ab3100_regulators_probe(struct platform_device *pdev)
+static int __devinit ab3100_regulators_probe(struct platform_device *pdev)
 {
 	struct ab3100_platform_data *plfdata = pdev->dev.platform_data;
 	struct ab3100 *ab3100 = platform_get_drvdata(pdev);
@@ -641,7 +641,7 @@ static int __init ab3100_regulators_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int __exit ab3100_regulators_remove(struct platform_device *pdev)
+static int __devexit ab3100_regulators_remove(struct platform_device *pdev)
 {
 	int i;
 
@@ -659,7 +659,7 @@ static struct platform_driver ab3100_regulators_driver = {
 		.owner = THIS_MODULE,
 	},
 	.probe = ab3100_regulators_probe,
-	.remove = __exit_p(ab3100_regulators_remove),
+	.remove = __devexit_p(ab3100_regulators_remove),
 };
 
 static __init int ab3100_regulators_init(void)
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index b60a4c9f8f16..5af16c2bb540 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -19,10 +19,13 @@
 #include <linux/err.h>
 #include <linux/mutex.h>
 #include <linux/suspend.h>
+#include <linux/delay.h>
 #include <linux/regulator/consumer.h>
 #include <linux/regulator/driver.h>
 #include <linux/regulator/machine.h>
 
+#include "dummy.h"
+
 #define REGULATOR_VERSION "0.5"
 
 static DEFINE_MUTEX(regulator_list_mutex);
@@ -1035,6 +1038,7 @@ static struct regulator *create_regulator(struct regulator_dev *rdev,
 			goto overflow_err;
 
 		regulator->dev = dev;
+		sysfs_attr_init(&regulator->dev_attr.attr);
 		regulator->dev_attr.attr.name = kstrdup(buf, GFP_KERNEL);
 		if (regulator->dev_attr.attr.name == NULL)
 			goto attr_name_err;
@@ -1084,6 +1088,13 @@ overflow_err:
 	return NULL;
 }
 
+static int _regulator_get_enable_time(struct regulator_dev *rdev)
+{
+	if (!rdev->desc->ops->enable_time)
+		return 0;
+	return rdev->desc->ops->enable_time(rdev);
+}
+
 /* Internal regulator request function */
 static struct regulator *_regulator_get(struct device *dev, const char *id,
 					int exclusive)
@@ -1115,6 +1126,22 @@ static struct regulator *_regulator_get(struct device *dev, const char *id,
 			goto found;
 		}
 	}
+
+#ifdef CONFIG_REGULATOR_DUMMY
+	if (!devname)
+		devname = "deviceless";
+
+	/* If the board didn't flag that it was fully constrained then
+	 * substitute in a dummy regulator so consumers can continue.
+	 */
+	if (!has_full_constraints) {
+		pr_warning("%s supply %s not found, using dummy regulator\n",
+			   devname, id);
+		rdev = dummy_regulator_rdev;
+		goto found;
+	}
+#endif
+
 	mutex_unlock(&regulator_list_mutex);
 	return regulator;
 
@@ -1251,7 +1278,7 @@ static int _regulator_can_change_status(struct regulator_dev *rdev)
 /* locks held by regulator_enable() */
 static int _regulator_enable(struct regulator_dev *rdev)
 {
-	int ret;
+	int ret, delay;
 
 	/* do we need to enable the supply regulator first */
 	if (rdev->supply) {
@@ -1275,13 +1302,34 @@ static int _regulator_enable(struct regulator_dev *rdev)
 			if (!_regulator_can_change_status(rdev))
 				return -EPERM;
 
-			if (rdev->desc->ops->enable) {
-				ret = rdev->desc->ops->enable(rdev);
-				if (ret < 0)
-					return ret;
-			} else {
+			if (!rdev->desc->ops->enable)
 				return -EINVAL;
+
+			/* Query before enabling in case configuration
+			 * dependant.  */
+			ret = _regulator_get_enable_time(rdev);
+			if (ret >= 0) {
+				delay = ret;
+			} else {
+				printk(KERN_WARNING
+					"%s: enable_time() failed for %s: %d\n",
+					__func__, rdev_get_name(rdev),
+					ret);
+				delay = 0;
 			}
+
+			/* Allow the regulator to ramp; it would be useful
+			 * to extend this for bulk operations so that the
+			 * regulators can ramp together.  */
+			ret = rdev->desc->ops->enable(rdev);
+			if (ret < 0)
+				return ret;
+
+			if (delay >= 1000)
+				mdelay(delay / 1000);
+			else if (delay)
+				udelay(delay);
+
 		} else if (ret < 0) {
 			printk(KERN_ERR "%s: is_enabled() failed for %s: %d\n",
 			       __func__, rdev_get_name(rdev), ret);
@@ -1341,6 +1389,9 @@ static int _regulator_disable(struct regulator_dev *rdev)
 				       __func__, rdev_get_name(rdev));
 				return ret;
 			}
+
+			_notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE,
+					     NULL);
 		}
 
 		/* decrease our supplies ref count and disable if required */
@@ -1399,8 +1450,8 @@ static int _regulator_force_disable(struct regulator_dev *rdev)
 			return ret;
 		}
 		/* notify other consumers that power has been forced off */
-		_notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE,
-			NULL);
+		_notifier_call_chain(rdev, REGULATOR_EVENT_FORCE_DISABLE |
+			REGULATOR_EVENT_DISABLE, NULL);
 	}
 
 	/* decrease our supplies ref count and disable if required */
@@ -1434,9 +1485,9 @@ EXPORT_SYMBOL_GPL(regulator_force_disable);
 
 static int _regulator_is_enabled(struct regulator_dev *rdev)
 {
-	/* sanity check */
+	/* If we don't know then assume that the regulator is always on */
 	if (!rdev->desc->ops->is_enabled)
-		return -EINVAL;
+		return 1;
 
 	return rdev->desc->ops->is_enabled(rdev);
 }
@@ -2451,8 +2502,15 @@ EXPORT_SYMBOL_GPL(regulator_get_init_drvdata);
 
 static int __init regulator_init(void)
 {
+	int ret;
+
 	printk(KERN_INFO "regulator: core version %s\n", REGULATOR_VERSION);
-	return class_register(&regulator_class);
+
+	ret = class_register(&regulator_class);
+
+	regulator_dummy_init();
+
+	return ret;
 }
 
 /* init early to allow our consumers to complete system booting */
diff --git a/drivers/regulator/dummy.c b/drivers/regulator/dummy.c
new file mode 100644
index 000000000000..c7410bde7b5d
--- /dev/null
+++ b/drivers/regulator/dummy.c
@@ -0,0 +1,66 @@
+/*
+ * dummy.c
+ *
+ * Copyright 2010 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This is useful for systems with mixed controllable and
+ * non-controllable regulators, as well as for allowing testing on
+ * systems with no controllable regulators.
+ */
+
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+
+#include "dummy.h"
+
+struct regulator_dev *dummy_regulator_rdev;
+
+static struct regulator_init_data dummy_initdata;
+
+static struct regulator_ops dummy_ops;
+
+static struct regulator_desc dummy_desc = {
+	.name = "dummy",
+	.id = -1,
+	.type = REGULATOR_VOLTAGE,
+	.owner = THIS_MODULE,
+	.ops = &dummy_ops,
+};
+
+static struct platform_device *dummy_pdev;
+
+void __init regulator_dummy_init(void)
+{
+	int ret;
+
+	dummy_pdev = platform_device_alloc("reg-dummy", -1);
+	if (!dummy_pdev) {
+		pr_err("Failed to allocate dummy regulator device\n");
+		return;
+	}
+
+	ret = platform_device_add(dummy_pdev);
+	if (ret != 0) {
+		pr_err("Failed to register dummy regulator device: %d\n", ret);
+		platform_device_put(dummy_pdev);
+		return;
+	}
+
+	dummy_regulator_rdev = regulator_register(&dummy_desc, NULL,
+						  &dummy_initdata, NULL);
+	if (IS_ERR(dummy_regulator_rdev)) {
+		ret = PTR_ERR(dummy_regulator_rdev);
+		pr_err("Failed to register regulator: %d\n", ret);
+		platform_device_unregister(dummy_pdev);
+		return;
+	}
+}
diff --git a/drivers/regulator/dummy.h b/drivers/regulator/dummy.h
new file mode 100644
index 000000000000..3921c0e24249
--- /dev/null
+++ b/drivers/regulator/dummy.h
@@ -0,0 +1,31 @@
+/*
+ * dummy.h
+ *
+ * Copyright 2010 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This is useful for systems with mixed controllable and
+ * non-controllable regulators, as well as for allowing testing on
+ * systems with no controllable regulators.
+ */
+
+#ifndef _DUMMY_H
+#define _DUMMY_H
+
+struct regulator_dev;
+
+extern struct regulator_dev *dummy_regulator_rdev;
+
+#ifdef CONFIG_REGULATOR_DUMMY
+void __init regulator_dummy_init(void);
+#else
+static inline void regulator_dummy_init(void) { }
+#endif
+
+#endif
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c
index f9f516a3028a..d11f7622430b 100644
--- a/drivers/regulator/fixed.c
+++ b/drivers/regulator/fixed.c
@@ -24,14 +24,16 @@
 #include <linux/regulator/driver.h>
 #include <linux/regulator/fixed.h>
 #include <linux/gpio.h>
+#include <linux/delay.h>
 
 struct fixed_voltage_data {
 	struct regulator_desc desc;
 	struct regulator_dev *dev;
 	int microvolts;
 	int gpio;
-	unsigned enable_high:1;
-	unsigned is_enabled:1;
+	unsigned startup_delay;
+	bool enable_high;
+	bool is_enabled;
 };
 
 static int fixed_voltage_is_enabled(struct regulator_dev *dev)
@@ -47,7 +49,7 @@ static int fixed_voltage_enable(struct regulator_dev *dev)
 
 	if (gpio_is_valid(data->gpio)) {
 		gpio_set_value_cansleep(data->gpio, data->enable_high);
-		data->is_enabled = 1;
+		data->is_enabled = true;
 	}
 
 	return 0;
@@ -59,12 +61,19 @@ static int fixed_voltage_disable(struct regulator_dev *dev)
 
 	if (gpio_is_valid(data->gpio)) {
 		gpio_set_value_cansleep(data->gpio, !data->enable_high);
-		data->is_enabled = 0;
+		data->is_enabled = false;
 	}
 
 	return 0;
 }
 
+static int fixed_voltage_enable_time(struct regulator_dev *dev)
+{
+	struct fixed_voltage_data *data = rdev_get_drvdata(dev);
+
+	return data->startup_delay;
+}
+
 static int fixed_voltage_get_voltage(struct regulator_dev *dev)
 {
 	struct fixed_voltage_data *data = rdev_get_drvdata(dev);
@@ -87,11 +96,12 @@ static struct regulator_ops fixed_voltage_ops = {
 	.is_enabled = fixed_voltage_is_enabled,
 	.enable = fixed_voltage_enable,
 	.disable = fixed_voltage_disable,
+	.enable_time = fixed_voltage_enable_time,
 	.get_voltage = fixed_voltage_get_voltage,
 	.list_voltage = fixed_voltage_list_voltage,
 };
 
-static int regulator_fixed_voltage_probe(struct platform_device *pdev)
+static int __devinit reg_fixed_voltage_probe(struct platform_device *pdev)
 {
 	struct fixed_voltage_config *config = pdev->dev.platform_data;
 	struct fixed_voltage_data *drvdata;
@@ -117,6 +127,7 @@ static int regulator_fixed_voltage_probe(struct platform_device *pdev)
 
 	drvdata->microvolts = config->microvolts;
 	drvdata->gpio = config->gpio;
+	drvdata->startup_delay = config->startup_delay;
 
 	if (gpio_is_valid(config->gpio)) {
 		drvdata->enable_high = config->enable_high;
@@ -163,7 +174,7 @@ static int regulator_fixed_voltage_probe(struct platform_device *pdev)
 		/* Regulator without GPIO control is considered
 		 * always enabled
 		 */
-		drvdata->is_enabled = 1;
+		drvdata->is_enabled = true;
 	}
 
 	drvdata->dev = regulator_register(&drvdata->desc, &pdev->dev,
@@ -191,7 +202,7 @@ err:
 	return ret;
 }
 
-static int regulator_fixed_voltage_remove(struct platform_device *pdev)
+static int __devexit reg_fixed_voltage_remove(struct platform_device *pdev)
 {
 	struct fixed_voltage_data *drvdata = platform_get_drvdata(pdev);
 
@@ -205,10 +216,11 @@ static int regulator_fixed_voltage_remove(struct platform_device *pdev)
 }
 
 static struct platform_driver regulator_fixed_voltage_driver = {
-	.probe		= regulator_fixed_voltage_probe,
-	.remove		= regulator_fixed_voltage_remove,
+	.probe		= reg_fixed_voltage_probe,
+	.remove		= __devexit_p(reg_fixed_voltage_remove),
 	.driver		= {
 		.name		= "reg-fixed-voltage",
+		.owner		= THIS_MODULE,
 	},
 };
 
diff --git a/drivers/regulator/lp3971.c b/drivers/regulator/lp3971.c
index 4f33a0f4a179..b20b3e1d821a 100644
--- a/drivers/regulator/lp3971.c
+++ b/drivers/regulator/lp3971.c
@@ -45,7 +45,7 @@ static int lp3971_set_bits(struct lp3971 *lp3971, u8 reg, u16 mask, u16 val);
 	LP3971_BUCK2 -> 4
 	LP3971_BUCK3 -> 6
 */
-#define BUCK_VOL_CHANGE_SHIFT(x) (((1 << x) & ~0x01) << 1)
+#define BUCK_VOL_CHANGE_SHIFT(x) (((!!x) << 2) | (x & ~0x01))
 #define BUCK_VOL_CHANGE_FLAG_GO 0x01
 #define BUCK_VOL_CHANGE_FLAG_TARGET 0x02
 #define BUCK_VOL_CHANGE_FLAG_MASK 0x03
@@ -54,7 +54,7 @@ static int lp3971_set_bits(struct lp3971 *lp3971, u8 reg, u16 mask, u16 val);
 #define LP3971_BUCK2_BASE 0x29
 #define LP3971_BUCK3_BASE 0x32
 
-const static int buck_base_addr[] = {
+static const int buck_base_addr[] = {
 	LP3971_BUCK1_BASE,
 	LP3971_BUCK2_BASE,
 	LP3971_BUCK3_BASE,
@@ -63,7 +63,7 @@ const static int buck_base_addr[] = {
 #define LP3971_BUCK_TARGET_VOL1_REG(x) (buck_base_addr[x])
 #define LP3971_BUCK_TARGET_VOL2_REG(x) (buck_base_addr[x]+1)
 
-const static int buck_voltage_map[] = {
+static const int buck_voltage_map[] = {
 	   0,  800,  850,  900,  950, 1000, 1050, 1100,
 	1150, 1200, 1250, 1300, 1350, 1400, 1450, 1500,
 	1550, 1600, 1650, 1700, 1800, 1900, 2500, 2800,
@@ -96,17 +96,17 @@ const static int buck_voltage_map[] = {
 #define LDO_VOL_CONTR_SHIFT(x) ((x & 1) << 2)
 #define LDO_VOL_CONTR_MASK 0x0f
 
-const static int ldo45_voltage_map[] = {
+static const int ldo45_voltage_map[] = {
 	1000, 1050, 1100, 1150, 1200, 1250, 1300, 1350,
 	1400, 1500, 1800, 1900, 2500, 2800, 3000, 3300,
 };
 
-const static int ldo123_voltage_map[] = {
+static const int ldo123_voltage_map[] = {
 	1800, 1900, 2000, 2100, 2200, 2300, 2400, 2500,
 	2600, 2700, 2800, 2900, 3000, 3100, 3200, 3300,
 };
 
-const static int *ldo_voltage_map[] = {
+static const int *ldo_voltage_map[] = {
 	ldo123_voltage_map, /* LDO1 */
 	ldo123_voltage_map, /* LDO2 */
 	ldo123_voltage_map, /* LDO3 */
@@ -187,7 +187,8 @@ static int lp3971_ldo_set_voltage(struct regulator_dev *dev,
 		return -EINVAL;
 
 	return lp3971_set_bits(lp3971, LP3971_LDO_VOL_CONTR_REG(ldo),
-		LDO_VOL_CONTR_MASK << LDO_VOL_CONTR_SHIFT(ldo), val);
+			LDO_VOL_CONTR_MASK << LDO_VOL_CONTR_SHIFT(ldo),
+			val << LDO_VOL_CONTR_SHIFT(ldo));
 }
 
 static struct regulator_ops lp3971_ldo_ops = {
@@ -431,20 +432,24 @@ static int lp3971_set_bits(struct lp3971 *lp3971, u8 reg, u16 mask, u16 val)
 	return ret;
 }
 
-static int setup_regulators(struct lp3971 *lp3971,
-	struct lp3971_platform_data *pdata)
+static int __devinit setup_regulators(struct lp3971 *lp3971,
+				      struct lp3971_platform_data *pdata)
 {
 	int i, err;
-	int num_regulators = pdata->num_regulators;
-	lp3971->num_regulators = num_regulators;
-	lp3971->rdev = kzalloc(sizeof(struct regulator_dev *) * num_regulators,
-		GFP_KERNEL);
+
+	lp3971->num_regulators = pdata->num_regulators;
+	lp3971->rdev = kcalloc(pdata->num_regulators,
+				sizeof(struct regulator_dev *), GFP_KERNEL);
+	if (!lp3971->rdev) {
+		err = -ENOMEM;
+		goto err_nomem;
+	}
 
 	/* Instantiate the regulators */
-	for (i = 0; i < num_regulators; i++) {
-		int id = pdata->regulators[i].id;
-		lp3971->rdev[i] = regulator_register(&regulators[id],
-			lp3971->dev, pdata->regulators[i].initdata, lp3971);
+	for (i = 0; i < pdata->num_regulators; i++) {
+		struct lp3971_regulator_subdev *reg = &pdata->regulators[i];
+		lp3971->rdev[i] = regulator_register(&regulators[reg->id],
+					lp3971->dev, reg->initdata, lp3971);
 
 		if (IS_ERR(lp3971->rdev[i])) {
 			err = PTR_ERR(lp3971->rdev[i]);
@@ -455,12 +460,13 @@ static int setup_regulators(struct lp3971 *lp3971,
 	}
 
 	return 0;
+
 error:
-	for (i = 0; i < num_regulators; i++)
-		if (lp3971->rdev[i])
-			regulator_unregister(lp3971->rdev[i]);
+	while (--i >= 0)
+		regulator_unregister(lp3971->rdev[i]);
 	kfree(lp3971->rdev);
 	lp3971->rdev = NULL;
+err_nomem:
 	return err;
 }
 
@@ -472,15 +478,17 @@ static int __devinit lp3971_i2c_probe(struct i2c_client *i2c,
 	int ret;
 	u16 val;
 
-	lp3971 = kzalloc(sizeof(struct lp3971), GFP_KERNEL);
-	if (lp3971 == NULL) {
-		ret = -ENOMEM;
-		goto err;
+	if (!pdata) {
+		dev_dbg(&i2c->dev, "No platform init data supplied\n");
+		return -ENODEV;
 	}
 
+	lp3971 = kzalloc(sizeof(struct lp3971), GFP_KERNEL);
+	if (lp3971 == NULL)
+		return -ENOMEM;
+
 	lp3971->i2c = i2c;
 	lp3971->dev = &i2c->dev;
-	i2c_set_clientdata(i2c, lp3971);
 
 	mutex_init(&lp3971->io_lock);
 
@@ -493,19 +501,15 @@ static int __devinit lp3971_i2c_probe(struct i2c_client *i2c,
 		goto err_detect;
 	}
 
-	if (pdata) {
-		ret = setup_regulators(lp3971, pdata);
-		if (ret < 0)
-			goto err_detect;
-	} else
-		dev_warn(lp3971->dev, "No platform init data supplied\n");
+	ret = setup_regulators(lp3971, pdata);
+	if (ret < 0)
+		goto err_detect;
 
+	i2c_set_clientdata(i2c, lp3971);
 	return 0;
 
 err_detect:
-	i2c_set_clientdata(i2c, NULL);
 	kfree(lp3971);
-err:
 	return ret;
 }
 
@@ -513,11 +517,13 @@ static int __devexit lp3971_i2c_remove(struct i2c_client *i2c)
 {
 	struct lp3971 *lp3971 = i2c_get_clientdata(i2c);
 	int i;
+
+	i2c_set_clientdata(i2c, NULL);
+
 	for (i = 0; i < lp3971->num_regulators; i++)
-		if (lp3971->rdev[i])
-			regulator_unregister(lp3971->rdev[i]);
+		regulator_unregister(lp3971->rdev[i]);
+
 	kfree(lp3971->rdev);
-	i2c_set_clientdata(i2c, NULL);
 	kfree(lp3971);
 
 	return 0;
diff --git a/drivers/regulator/max1586.c b/drivers/regulator/max1586.c
index 2c082d3ef484..c0b09e15edb6 100644
--- a/drivers/regulator/max1586.c
+++ b/drivers/regulator/max1586.c
@@ -179,8 +179,8 @@ static struct regulator_desc max1586_reg[] = {
 	},
 };
 
-static int max1586_pmic_probe(struct i2c_client *client,
-			      const struct i2c_device_id *i2c_id)
+static int __devinit max1586_pmic_probe(struct i2c_client *client,
+					const struct i2c_device_id *i2c_id)
 {
 	struct regulator_dev **rdev;
 	struct max1586_platform_data *pdata = client->dev.platform_data;
@@ -235,7 +235,7 @@ out:
 	return ret;
 }
 
-static int max1586_pmic_remove(struct i2c_client *client)
+static int __devexit max1586_pmic_remove(struct i2c_client *client)
 {
 	struct regulator_dev **rdev = i2c_get_clientdata(client);
 	int i;
@@ -243,8 +243,8 @@ static int max1586_pmic_remove(struct i2c_client *client)
 	for (i = 0; i <= MAX1586_V6; i++)
 		if (rdev[i])
 			regulator_unregister(rdev[i]);
-	kfree(rdev);
 	i2c_set_clientdata(client, NULL);
+	kfree(rdev);
 
 	return 0;
 }
@@ -257,9 +257,10 @@ MODULE_DEVICE_TABLE(i2c, max1586_id);
 
 static struct i2c_driver max1586_pmic_driver = {
 	.probe = max1586_pmic_probe,
-	.remove = max1586_pmic_remove,
+	.remove = __devexit_p(max1586_pmic_remove),
 	.driver		= {
 		.name	= "max1586",
+		.owner	= THIS_MODULE,
 	},
 	.id_table	= max1586_id,
 };
diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
new file mode 100644
index 000000000000..833aaedc7e64
--- /dev/null
+++ b/drivers/regulator/max8649.c
@@ -0,0 +1,409 @@
+/*
+ * Regulators driver for Maxim max8649
+ *
+ * Copyright (C) 2009-2010 Marvell International Ltd.
+ *      Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/max8649.h>
+
+#define MAX8649_DCDC_VMIN	750000		/* uV */
+#define MAX8649_DCDC_VMAX	1380000		/* uV */
+#define MAX8649_DCDC_STEP	10000		/* uV */
+#define MAX8649_VOL_MASK	0x3f
+
+/* Registers */
+#define MAX8649_MODE0		0x00
+#define MAX8649_MODE1		0x01
+#define MAX8649_MODE2		0x02
+#define MAX8649_MODE3		0x03
+#define MAX8649_CONTROL		0x04
+#define MAX8649_SYNC		0x05
+#define MAX8649_RAMP		0x06
+#define MAX8649_CHIP_ID1	0x08
+#define MAX8649_CHIP_ID2	0x09
+
+/* Bits */
+#define MAX8649_EN_PD		(1 << 7)
+#define MAX8649_VID0_PD		(1 << 6)
+#define MAX8649_VID1_PD		(1 << 5)
+#define MAX8649_VID_MASK	(3 << 5)
+
+#define MAX8649_FORCE_PWM	(1 << 7)
+#define MAX8649_SYNC_EXTCLK	(1 << 6)
+
+#define MAX8649_EXT_MASK	(3 << 6)
+
+#define MAX8649_RAMP_MASK	(7 << 5)
+#define MAX8649_RAMP_DOWN	(1 << 1)
+
+struct max8649_regulator_info {
+	struct regulator_dev	*regulator;
+	struct i2c_client	*i2c;
+	struct device		*dev;
+	struct mutex		io_lock;
+
+	int		vol_reg;
+	unsigned	mode:2;	/* bit[1:0] = VID1, VID0 */
+	unsigned	extclk_freq:2;
+	unsigned	extclk:1;
+	unsigned	ramp_timing:3;
+	unsigned	ramp_down:1;
+};
+
+/* I2C operations */
+
+static inline int max8649_read_device(struct i2c_client *i2c,
+				      int reg, int bytes, void *dest)
+{
+	unsigned char data;
+	int ret;
+
+	data = (unsigned char)reg;
+	ret = i2c_master_send(i2c, &data, 1);
+	if (ret < 0)
+		return ret;
+	ret = i2c_master_recv(i2c, dest, bytes);
+	if (ret < 0)
+		return ret;
+	return 0;
+}
+
+static inline int max8649_write_device(struct i2c_client *i2c,
+				       int reg, int bytes, void *src)
+{
+	unsigned char buf[bytes + 1];
+	int ret;
+
+	buf[0] = (unsigned char)reg;
+	memcpy(&buf[1], src, bytes);
+
+	ret = i2c_master_send(i2c, buf, bytes + 1);
+	if (ret < 0)
+		return ret;
+	return 0;
+}
+
+static int max8649_reg_read(struct i2c_client *i2c, int reg)
+{
+	struct max8649_regulator_info *info = i2c_get_clientdata(i2c);
+	unsigned char data;
+	int ret;
+
+	mutex_lock(&info->io_lock);
+	ret = max8649_read_device(i2c, reg, 1, &data);
+	mutex_unlock(&info->io_lock);
+
+	if (ret < 0)
+		return ret;
+	return (int)data;
+}
+
+static int max8649_set_bits(struct i2c_client *i2c, int reg,
+			    unsigned char mask, unsigned char data)
+{
+	struct max8649_regulator_info *info = i2c_get_clientdata(i2c);
+	unsigned char value;
+	int ret;
+
+	mutex_lock(&info->io_lock);
+	ret = max8649_read_device(i2c, reg, 1, &value);
+	if (ret < 0)
+		goto out;
+	value &= ~mask;
+	value |= data;
+	ret = max8649_write_device(i2c, reg, 1, &value);
+out:
+	mutex_unlock(&info->io_lock);
+	return ret;
+}
+
+static inline int check_range(int min_uV, int max_uV)
+{
+	if ((min_uV < MAX8649_DCDC_VMIN) || (max_uV > MAX8649_DCDC_VMAX)
+		|| (min_uV > max_uV))
+		return -EINVAL;
+	return 0;
+}
+
+static int max8649_list_voltage(struct regulator_dev *rdev, unsigned index)
+{
+	return (MAX8649_DCDC_VMIN + index * MAX8649_DCDC_STEP);
+}
+
+static int max8649_get_voltage(struct regulator_dev *rdev)
+{
+	struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
+	unsigned char data;
+	int ret;
+
+	ret = max8649_reg_read(info->i2c, info->vol_reg);
+	if (ret < 0)
+		return ret;
+	data = (unsigned char)ret & MAX8649_VOL_MASK;
+	return max8649_list_voltage(rdev, data);
+}
+
+static int max8649_set_voltage(struct regulator_dev *rdev,
+			       int min_uV, int max_uV)
+{
+	struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
+	unsigned char data, mask;
+
+	if (check_range(min_uV, max_uV)) {
+		dev_err(info->dev, "invalid voltage range (%d, %d) uV\n",
+			min_uV, max_uV);
+		return -EINVAL;
+	}
+	data = (min_uV - MAX8649_DCDC_VMIN + MAX8649_DCDC_STEP - 1)
+		/ MAX8649_DCDC_STEP;
+	mask = MAX8649_VOL_MASK;
+
+	return max8649_set_bits(info->i2c, info->vol_reg, mask, data);
+}
+
+/* EN_PD means pulldown on EN input */
+static int max8649_enable(struct regulator_dev *rdev)
+{
+	struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
+	return max8649_set_bits(info->i2c, MAX8649_CONTROL, MAX8649_EN_PD, 0);
+}
+
+/*
+ * Applied internal pulldown resistor on EN input pin.
+ * If pulldown EN pin outside, it would be better.
+ */
+static int max8649_disable(struct regulator_dev *rdev)
+{
+	struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
+	return max8649_set_bits(info->i2c, MAX8649_CONTROL, MAX8649_EN_PD,
+				MAX8649_EN_PD);
+}
+
+static int max8649_is_enabled(struct regulator_dev *rdev)
+{
+	struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
+	int ret;
+
+	ret = max8649_reg_read(info->i2c, MAX8649_CONTROL);
+	if (ret < 0)
+		return ret;
+	return !((unsigned char)ret & MAX8649_EN_PD);
+}
+
+static int max8649_enable_time(struct regulator_dev *rdev)
+{
+	struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
+	int voltage, rate, ret;
+
+	/* get voltage */
+	ret = max8649_reg_read(info->i2c, info->vol_reg);
+	if (ret < 0)
+		return ret;
+	ret &= MAX8649_VOL_MASK;
+	voltage = max8649_list_voltage(rdev, (unsigned char)ret); /* uV */
+
+	/* get rate */
+	ret = max8649_reg_read(info->i2c, MAX8649_RAMP);
+	if (ret < 0)
+		return ret;
+	ret = (ret & MAX8649_RAMP_MASK) >> 5;
+	rate = (32 * 1000) >> ret;	/* uV/uS */
+
+	return (voltage / rate);
+}
+
+static int max8649_set_mode(struct regulator_dev *rdev, unsigned int mode)
+{
+	struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
+
+	switch (mode) {
+	case REGULATOR_MODE_FAST:
+		max8649_set_bits(info->i2c, info->vol_reg, MAX8649_FORCE_PWM,
+				 MAX8649_FORCE_PWM);
+		break;
+	case REGULATOR_MODE_NORMAL:
+		max8649_set_bits(info->i2c, info->vol_reg,
+				 MAX8649_FORCE_PWM, 0);
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static unsigned int max8649_get_mode(struct regulator_dev *rdev)
+{
+	struct max8649_regulator_info *info = rdev_get_drvdata(rdev);
+	int ret;
+
+	ret = max8649_reg_read(info->i2c, info->vol_reg);
+	if (ret & MAX8649_FORCE_PWM)
+		return REGULATOR_MODE_FAST;
+	return REGULATOR_MODE_NORMAL;
+}
+
+static struct regulator_ops max8649_dcdc_ops = {
+	.set_voltage	= max8649_set_voltage,
+	.get_voltage	= max8649_get_voltage,
+	.list_voltage	= max8649_list_voltage,
+	.enable		= max8649_enable,
+	.disable	= max8649_disable,
+	.is_enabled	= max8649_is_enabled,
+	.enable_time	= max8649_enable_time,
+	.set_mode	= max8649_set_mode,
+	.get_mode	= max8649_get_mode,
+
+};
+
+static struct regulator_desc dcdc_desc = {
+	.name		= "max8649",
+	.ops		= &max8649_dcdc_ops,
+	.type		= REGULATOR_VOLTAGE,
+	.n_voltages	= 1 << 6,
+	.owner		= THIS_MODULE,
+};
+
+static int __devinit max8649_regulator_probe(struct i2c_client *client,
+					     const struct i2c_device_id *id)
+{
+	struct max8649_platform_data *pdata = client->dev.platform_data;
+	struct max8649_regulator_info *info = NULL;
+	unsigned char data;
+	int ret;
+
+	info = kzalloc(sizeof(struct max8649_regulator_info), GFP_KERNEL);
+	if (!info) {
+		dev_err(&client->dev, "No enough memory\n");
+		return -ENOMEM;
+	}
+
+	info->i2c = client;
+	info->dev = &client->dev;
+	mutex_init(&info->io_lock);
+	i2c_set_clientdata(client, info);
+
+	info->mode = pdata->mode;
+	switch (info->mode) {
+	case 0:
+		info->vol_reg = MAX8649_MODE0;
+		break;
+	case 1:
+		info->vol_reg = MAX8649_MODE1;
+		break;
+	case 2:
+		info->vol_reg = MAX8649_MODE2;
+		break;
+	case 3:
+		info->vol_reg = MAX8649_MODE3;
+		break;
+	default:
+		break;
+	}
+
+	ret = max8649_reg_read(info->i2c, MAX8649_CHIP_ID1);
+	if (ret < 0) {
+		dev_err(info->dev, "Failed to detect ID of MAX8649:%d\n",
+			ret);
+		goto out;
+	}
+	dev_info(info->dev, "Detected MAX8649 (ID:%x)\n", ret);
+
+	/* enable VID0 & VID1 */
+	max8649_set_bits(info->i2c, MAX8649_CONTROL, MAX8649_VID_MASK, 0);
+
+	/* enable/disable external clock synchronization */
+	info->extclk = pdata->extclk;
+	data = (info->extclk) ? MAX8649_SYNC_EXTCLK : 0;
+	max8649_set_bits(info->i2c, info->vol_reg, MAX8649_SYNC_EXTCLK, data);
+	if (info->extclk) {
+		/* set external clock frequency */
+		info->extclk_freq = pdata->extclk_freq;
+		max8649_set_bits(info->i2c, MAX8649_SYNC, MAX8649_EXT_MASK,
+				 info->extclk_freq);
+	}
+
+	if (pdata->ramp_timing) {
+		info->ramp_timing = pdata->ramp_timing;
+		max8649_set_bits(info->i2c, MAX8649_RAMP, MAX8649_RAMP_MASK,
+				 info->ramp_timing << 5);
+	}
+
+	info->ramp_down = pdata->ramp_down;
+	if (info->ramp_down) {
+		max8649_set_bits(info->i2c, MAX8649_RAMP, MAX8649_RAMP_DOWN,
+				 MAX8649_RAMP_DOWN);
+	}
+
+	info->regulator = regulator_register(&dcdc_desc, &client->dev,
+					     pdata->regulator, info);
+	if (IS_ERR(info->regulator)) {
+		dev_err(info->dev, "failed to register regulator %s\n",
+			dcdc_desc.name);
+		ret = PTR_ERR(info->regulator);
+		goto out;
+	}
+
+	dev_info(info->dev, "Max8649 regulator device is detected.\n");
+	return 0;
+out:
+	i2c_set_clientdata(client, NULL);
+	kfree(info);
+	return ret;
+}
+
+static int __devexit max8649_regulator_remove(struct i2c_client *client)
+{
+	struct max8649_regulator_info *info = i2c_get_clientdata(client);
+
+	if (info) {
+		if (info->regulator)
+			regulator_unregister(info->regulator);
+		i2c_set_clientdata(client, NULL);
+		kfree(info);
+	}
+
+	return 0;
+}
+
+static const struct i2c_device_id max8649_id[] = {
+	{ "max8649", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, max8649_id);
+
+static struct i2c_driver max8649_driver = {
+	.probe		= max8649_regulator_probe,
+	.remove		= __devexit_p(max8649_regulator_remove),
+	.driver		= {
+		.name	= "max8649",
+	},
+	.id_table	= max8649_id,
+};
+
+static int __init max8649_init(void)
+{
+	return i2c_add_driver(&max8649_driver);
+}
+subsys_initcall(max8649_init);
+
+static void __exit max8649_exit(void)
+{
+	i2c_del_driver(&max8649_driver);
+}
+module_exit(max8649_exit);
+
+/* Module information */
+MODULE_DESCRIPTION("MAXIM 8649 voltage regulator driver");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");
+
diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c
index acc2fb7b6087..47f90b2fc290 100644
--- a/drivers/regulator/max8660.c
+++ b/drivers/regulator/max8660.c
@@ -345,8 +345,8 @@ static struct regulator_desc max8660_reg[] = {
 	},
 };
 
-static int max8660_probe(struct i2c_client *client,
-			      const struct i2c_device_id *i2c_id)
+static int __devinit max8660_probe(struct i2c_client *client,
+				   const struct i2c_device_id *i2c_id)
 {
 	struct regulator_dev **rdev;
 	struct max8660_platform_data *pdata = client->dev.platform_data;
@@ -354,7 +354,7 @@ static int max8660_probe(struct i2c_client *client,
 	int boot_on, i, id, ret = -EINVAL;
 
 	if (pdata->num_subdevs > MAX8660_V_END) {
-		dev_err(&client->dev, "Too much regulators found!\n");
+		dev_err(&client->dev, "Too many regulators found!\n");
 		goto out;
 	}
 
@@ -462,7 +462,7 @@ out:
 	return ret;
 }
 
-static int max8660_remove(struct i2c_client *client)
+static int __devexit max8660_remove(struct i2c_client *client)
 {
 	struct regulator_dev **rdev = i2c_get_clientdata(client);
 	int i;
@@ -470,8 +470,8 @@ static int max8660_remove(struct i2c_client *client)
 	for (i = 0; i < MAX8660_V_END; i++)
 		if (rdev[i])
 			regulator_unregister(rdev[i]);
-	kfree(rdev);
 	i2c_set_clientdata(client, NULL);
+	kfree(rdev);
 
 	return 0;
 }
@@ -485,9 +485,10 @@ MODULE_DEVICE_TABLE(i2c, max8660_id);
 
 static struct i2c_driver max8660_driver = {
 	.probe = max8660_probe,
-	.remove = max8660_remove,
+	.remove = __devexit_p(max8660_remove),
 	.driver		= {
 		.name	= "max8660",
+		.owner	= THIS_MODULE,
 	},
 	.id_table	= max8660_id,
 };
diff --git a/drivers/regulator/max8925-regulator.c b/drivers/regulator/max8925-regulator.c
new file mode 100644
index 000000000000..b6218f11c957
--- /dev/null
+++ b/drivers/regulator/max8925-regulator.c
@@ -0,0 +1,308 @@
+/*
+ * Regulators driver for Maxim max8925
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ *      Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/max8925.h>
+
+#define SD1_DVM_VMIN		850000
+#define SD1_DVM_VMAX		1000000
+#define SD1_DVM_STEP		50000
+#define SD1_DVM_SHIFT		5		/* SDCTL1 bit5 */
+#define SD1_DVM_EN		6		/* SDV1 bit 6 */
+
+struct max8925_regulator_info {
+	struct regulator_desc	desc;
+	struct regulator_dev	*regulator;
+	struct i2c_client	*i2c;
+	struct max8925_chip	*chip;
+
+	int	min_uV;
+	int	max_uV;
+	int	step_uV;
+	int	vol_reg;
+	int	vol_shift;
+	int	vol_nbits;
+	int	enable_bit;
+	int	enable_reg;
+};
+
+static inline int check_range(struct max8925_regulator_info *info,
+			      int min_uV, int max_uV)
+{
+	if (min_uV < info->min_uV || min_uV > info->max_uV)
+		return -EINVAL;
+
+	return 0;
+}
+
+static int max8925_list_voltage(struct regulator_dev *rdev, unsigned index)
+{
+	struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
+	return info->min_uV + index * info->step_uV;
+}
+
+static int max8925_set_voltage(struct regulator_dev *rdev,
+			       int min_uV, int max_uV)
+{
+	struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
+	unsigned char data, mask;
+
+	if (check_range(info, min_uV, max_uV)) {
+		dev_err(info->chip->dev, "invalid voltage range (%d, %d) uV\n",
+			min_uV, max_uV);
+		return -EINVAL;
+	}
+	data = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+	data <<= info->vol_shift;
+	mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
+
+	return max8925_set_bits(info->i2c, info->vol_reg, mask, data);
+}
+
+static int max8925_get_voltage(struct regulator_dev *rdev)
+{
+	struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
+	unsigned char data, mask;
+	int ret;
+
+	ret = max8925_reg_read(info->i2c, info->vol_reg);
+	if (ret < 0)
+		return ret;
+	mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
+	data = (ret & mask) >> info->vol_shift;
+
+	return max8925_list_voltage(rdev, data);
+}
+
+static int max8925_enable(struct regulator_dev *rdev)
+{
+	struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
+
+	return max8925_set_bits(info->i2c, info->enable_reg,
+				1 << info->enable_bit,
+				1 << info->enable_bit);
+}
+
+static int max8925_disable(struct regulator_dev *rdev)
+{
+	struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
+
+	return max8925_set_bits(info->i2c, info->enable_reg,
+				1 << info->enable_bit, 0);
+}
+
+static int max8925_is_enabled(struct regulator_dev *rdev)
+{
+	struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
+	int ret;
+
+	ret = max8925_reg_read(info->i2c, info->vol_reg);
+	if (ret < 0)
+		return ret;
+
+	return ret & (1 << info->enable_bit);
+}
+
+static int max8925_set_dvm_voltage(struct regulator_dev *rdev, int uV)
+{
+	struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
+	unsigned char data, mask;
+
+	if (uV < SD1_DVM_VMIN || uV > SD1_DVM_VMAX)
+		return -EINVAL;
+
+	data = (uV - SD1_DVM_VMIN + SD1_DVM_STEP - 1) / SD1_DVM_STEP;
+	data <<= SD1_DVM_SHIFT;
+	mask = 3 << SD1_DVM_SHIFT;
+
+	return max8925_set_bits(info->i2c, info->enable_reg, mask, data);
+}
+
+static int max8925_set_dvm_enable(struct regulator_dev *rdev)
+{
+	struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
+
+	return max8925_set_bits(info->i2c, info->vol_reg, 1 << SD1_DVM_EN,
+				1 << SD1_DVM_EN);
+}
+
+static int max8925_set_dvm_disable(struct regulator_dev *rdev)
+{
+	struct max8925_regulator_info *info = rdev_get_drvdata(rdev);
+
+	return max8925_set_bits(info->i2c, info->vol_reg, 1 << SD1_DVM_EN, 0);
+}
+
+static struct regulator_ops max8925_regulator_sdv_ops = {
+	.set_voltage		= max8925_set_voltage,
+	.get_voltage		= max8925_get_voltage,
+	.enable			= max8925_enable,
+	.disable		= max8925_disable,
+	.is_enabled		= max8925_is_enabled,
+	.set_suspend_voltage	= max8925_set_dvm_voltage,
+	.set_suspend_enable	= max8925_set_dvm_enable,
+	.set_suspend_disable	= max8925_set_dvm_disable,
+};
+
+static struct regulator_ops max8925_regulator_ldo_ops = {
+	.set_voltage		= max8925_set_voltage,
+	.get_voltage		= max8925_get_voltage,
+	.enable			= max8925_enable,
+	.disable		= max8925_disable,
+	.is_enabled		= max8925_is_enabled,
+};
+
+#define MAX8925_SDV(_id, min, max, step)			\
+{								\
+	.desc	= {						\
+		.name	= "SDV" #_id,				\
+		.ops	= &max8925_regulator_sdv_ops,		\
+		.type	= REGULATOR_VOLTAGE,			\
+		.id	= MAX8925_ID_SD##_id,			\
+		.owner	= THIS_MODULE,				\
+	},							\
+	.min_uV		= min * 1000,				\
+	.max_uV		= max * 1000,				\
+	.step_uV	= step * 1000,				\
+	.vol_reg	= MAX8925_SDV##_id,			\
+	.vol_shift	= 0,					\
+	.vol_nbits	= 6,					\
+	.enable_reg	= MAX8925_SDCTL##_id,			\
+	.enable_bit	= 0,					\
+}
+
+#define MAX8925_LDO(_id, min, max, step)			\
+{								\
+	.desc	= {						\
+		.name	= "LDO" #_id,				\
+		.ops	= &max8925_regulator_ldo_ops,		\
+		.type	= REGULATOR_VOLTAGE,			\
+		.id	= MAX8925_ID_LDO##_id,			\
+		.owner	= THIS_MODULE,				\
+	},							\
+	.min_uV		= min * 1000,				\
+	.max_uV		= max * 1000,				\
+	.step_uV	= step * 1000,				\
+	.vol_reg	= MAX8925_LDOVOUT##_id,			\
+	.vol_shift	= 0,					\
+	.vol_nbits	= 6,					\
+	.enable_reg	= MAX8925_LDOCTL##_id,			\
+	.enable_bit	= 0,					\
+}
+
+static struct max8925_regulator_info max8925_regulator_info[] = {
+	MAX8925_SDV(1, 637.5, 1425, 12.5),
+	MAX8925_SDV(2,   650, 2225,   25),
+	MAX8925_SDV(3,   750, 3900,   50),
+
+	MAX8925_LDO(1,  750, 3900, 50),
+	MAX8925_LDO(2,  650, 2250, 25),
+	MAX8925_LDO(3,  650, 2250, 25),
+	MAX8925_LDO(4,  750, 3900, 50),
+	MAX8925_LDO(5,  750, 3900, 50),
+	MAX8925_LDO(6,  750, 3900, 50),
+	MAX8925_LDO(7,  750, 3900, 50),
+	MAX8925_LDO(8,  750, 3900, 50),
+	MAX8925_LDO(9,  750, 3900, 50),
+	MAX8925_LDO(10, 750, 3900, 50),
+	MAX8925_LDO(11, 750, 3900, 50),
+	MAX8925_LDO(12, 750, 3900, 50),
+	MAX8925_LDO(13, 750, 3900, 50),
+	MAX8925_LDO(14, 750, 3900, 50),
+	MAX8925_LDO(15, 750, 3900, 50),
+	MAX8925_LDO(16, 750, 3900, 50),
+	MAX8925_LDO(17, 650, 2250, 25),
+	MAX8925_LDO(18, 650, 2250, 25),
+	MAX8925_LDO(19, 750, 3900, 50),
+	MAX8925_LDO(20, 750, 3900, 50),
+};
+
+static struct max8925_regulator_info * __devinit find_regulator_info(int id)
+{
+	struct max8925_regulator_info *ri;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(max8925_regulator_info); i++) {
+		ri = &max8925_regulator_info[i];
+		if (ri->desc.id == id)
+			return ri;
+	}
+	return NULL;
+}
+
+static int __devinit max8925_regulator_probe(struct platform_device *pdev)
+{
+	struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
+	struct max8925_platform_data *pdata = chip->dev->platform_data;
+	struct max8925_regulator_info *ri;
+	struct regulator_dev *rdev;
+
+	ri = find_regulator_info(pdev->id);
+	if (ri == NULL) {
+		dev_err(&pdev->dev, "invalid regulator ID specified\n");
+		return -EINVAL;
+	}
+	ri->i2c = chip->i2c;
+	ri->chip = chip;
+
+	rdev = regulator_register(&ri->desc, &pdev->dev,
+				  pdata->regulator[pdev->id], ri);
+	if (IS_ERR(rdev)) {
+		dev_err(&pdev->dev, "failed to register regulator %s\n",
+				ri->desc.name);
+		return PTR_ERR(rdev);
+	}
+
+	platform_set_drvdata(pdev, rdev);
+	return 0;
+}
+
+static int __devexit max8925_regulator_remove(struct platform_device *pdev)
+{
+	struct regulator_dev *rdev = platform_get_drvdata(pdev);
+
+	platform_set_drvdata(pdev, NULL);
+	regulator_unregister(rdev);
+
+	return 0;
+}
+
+static struct platform_driver max8925_regulator_driver = {
+	.driver		= {
+		.name	= "max8925-regulator",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= max8925_regulator_probe,
+	.remove		= __devexit_p(max8925_regulator_remove),
+};
+
+static int __init max8925_regulator_init(void)
+{
+	return platform_driver_register(&max8925_regulator_driver);
+}
+subsys_initcall(max8925_regulator_init);
+
+static void __exit max8925_regulator_exit(void)
+{
+	platform_driver_unregister(&max8925_regulator_driver);
+}
+module_exit(max8925_regulator_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_DESCRIPTION("Regulator Driver for Maxim 8925 PMIC");
+MODULE_ALIAS("platform:max8925-regulator");
+
diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c
index 39c495300045..f7b81845a196 100644
--- a/drivers/regulator/mc13783-regulator.c
+++ b/drivers/regulator/mc13783-regulator.c
@@ -2,6 +2,7 @@
  * Regulator Driver for Freescale MC13783 PMIC
  *
  * Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
+ * Copyright 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -16,11 +17,44 @@
 #include <linux/init.h>
 #include <linux/err.h>
 
-#define MC13783_REG_SWITCHERS4			28
-#define MC13783_REG_SWITCHERS4_PLLEN			(1 << 18)
-
 #define MC13783_REG_SWITCHERS5			29
 #define MC13783_REG_SWITCHERS5_SW3EN			(1 << 20)
+#define MC13783_REG_SWITCHERS5_SW3VSEL			18
+#define MC13783_REG_SWITCHERS5_SW3VSEL_M		(3 << 18)
+
+#define MC13783_REG_REGULATORSETTING0		30
+#define MC13783_REG_REGULATORSETTING0_VIOLOVSEL		2
+#define MC13783_REG_REGULATORSETTING0_VDIGVSEL		4
+#define MC13783_REG_REGULATORSETTING0_VGENVSEL		6
+#define MC13783_REG_REGULATORSETTING0_VRFDIGVSEL	9
+#define MC13783_REG_REGULATORSETTING0_VRFREFVSEL	11
+#define MC13783_REG_REGULATORSETTING0_VRFCPVSEL		13
+#define MC13783_REG_REGULATORSETTING0_VSIMVSEL		14
+#define MC13783_REG_REGULATORSETTING0_VESIMVSEL		15
+#define MC13783_REG_REGULATORSETTING0_VCAMVSEL		16
+
+#define MC13783_REG_REGULATORSETTING0_VIOLOVSEL_M	(3 << 2)
+#define MC13783_REG_REGULATORSETTING0_VDIGVSEL_M	(3 << 4)
+#define MC13783_REG_REGULATORSETTING0_VGENVSEL_M	(7 << 6)
+#define MC13783_REG_REGULATORSETTING0_VRFDIGVSEL_M	(3 << 9)
+#define MC13783_REG_REGULATORSETTING0_VRFREFVSEL_M	(3 << 11)
+#define MC13783_REG_REGULATORSETTING0_VRFCPVSEL_M	(1 << 13)
+#define MC13783_REG_REGULATORSETTING0_VSIMVSEL_M	(1 << 14)
+#define MC13783_REG_REGULATORSETTING0_VESIMVSEL_M	(1 << 15)
+#define MC13783_REG_REGULATORSETTING0_VCAMVSEL_M	(7 << 16)
+
+#define MC13783_REG_REGULATORSETTING1		31
+#define MC13783_REG_REGULATORSETTING1_VVIBVSEL		0
+#define MC13783_REG_REGULATORSETTING1_VRF1VSEL		2
+#define MC13783_REG_REGULATORSETTING1_VRF2VSEL		4
+#define MC13783_REG_REGULATORSETTING1_VMMC1VSEL		6
+#define MC13783_REG_REGULATORSETTING1_VMMC2VSEL		9
+
+#define MC13783_REG_REGULATORSETTING1_VVIBVSEL_M	(3 << 0)
+#define MC13783_REG_REGULATORSETTING1_VRF1VSEL_M	(3 << 2)
+#define MC13783_REG_REGULATORSETTING1_VRF2VSEL_M	(3 << 4)
+#define MC13783_REG_REGULATORSETTING1_VMMC1VSEL_M	(7 << 6)
+#define MC13783_REG_REGULATORSETTING1_VMMC2VSEL_M	(7 << 9)
 
 #define MC13783_REG_REGULATORMODE0		32
 #define MC13783_REG_REGULATORMODE0_VAUDIOEN		(1 << 0)
@@ -48,19 +82,107 @@
 #define MC13783_REG_POWERMISC_GPO2EN			(1 << 8)
 #define MC13783_REG_POWERMISC_GPO3EN			(1 << 10)
 #define MC13783_REG_POWERMISC_GPO4EN			(1 << 12)
+#define MC13783_REG_POWERMISC_PWGT1SPIEN		(1 << 15)
+#define MC13783_REG_POWERMISC_PWGT2SPIEN		(1 << 16)
+
+#define MC13783_REG_POWERMISC_PWGTSPI_M			(3 << 15)
+
 
 struct mc13783_regulator {
 	struct regulator_desc desc;
 	int reg;
 	int enable_bit;
+	int vsel_reg;
+	int vsel_shift;
+	int vsel_mask;
+	int const *voltages;
+};
+
+/* Voltage Values */
+static const int const mc13783_sw3_val[] = {
+	5000000, 5000000, 5000000, 5500000,
+};
+
+static const int const mc13783_vaudio_val[] = {
+	2775000,
+};
+
+static const int const mc13783_viohi_val[] = {
+	2775000,
+};
+
+static const int const mc13783_violo_val[] = {
+	1200000, 1300000, 1500000, 1800000,
+};
+
+static const int const mc13783_vdig_val[] = {
+	1200000, 1300000, 1500000, 1800000,
+};
+
+static const int const mc13783_vgen_val[] = {
+	1200000, 1300000, 1500000, 1800000,
+	1100000, 2000000, 2775000, 2400000,
+};
+
+static const int const mc13783_vrfdig_val[] = {
+	1200000, 1500000, 1800000, 1875000,
+};
+
+static const int const mc13783_vrfref_val[] = {
+	2475000, 2600000, 2700000, 2775000,
+};
+
+static const int const mc13783_vrfcp_val[] = {
+	2700000, 2775000,
+};
+
+static const int const mc13783_vsim_val[] = {
+	1800000, 2900000, 3000000,
+};
+
+static const int const mc13783_vesim_val[] = {
+	1800000, 2900000,
+};
+
+static const int const mc13783_vcam_val[] = {
+	1500000, 1800000, 2500000, 2550000,
+	2600000, 2750000, 2800000, 3000000,
+};
+
+static const int const mc13783_vrfbg_val[] = {
+	1250000,
+};
+
+static const int const mc13783_vvib_val[] = {
+	1300000, 1800000, 2000000, 3000000,
+};
+
+static const int const mc13783_vmmc_val[] = {
+	1600000, 1800000, 2000000, 2600000,
+	2700000, 2800000, 2900000, 3000000,
+};
+
+static const int const mc13783_vrf_val[] = {
+	1500000, 1875000, 2700000, 2775000,
+};
+
+static const int const mc13783_gpo_val[] = {
+	3100000,
+};
+
+static const int const mc13783_pwgtdrv_val[] = {
+	5500000,
 };
 
 static struct regulator_ops mc13783_regulator_ops;
+static struct regulator_ops mc13783_fixed_regulator_ops;
+static struct regulator_ops mc13783_gpo_regulator_ops;
 
-#define MC13783_DEFINE(prefix, _name, _reg)				\
+#define MC13783_DEFINE(prefix, _name, _reg, _vsel_reg, _voltages)	\
 	[MC13783_ ## prefix ## _ ## _name] = {				\
 		.desc = {						\
 			.name = #prefix "_" #_name,			\
+			.n_voltages = ARRAY_SIZE(_voltages),		\
 			.ops = &mc13783_regulator_ops,			\
 			.type = REGULATOR_VOLTAGE,			\
 			.id = MC13783_ ## prefix ## _ ## _name,		\
@@ -68,40 +190,92 @@ static struct regulator_ops mc13783_regulator_ops;
 		},							\
 		.reg = MC13783_REG_ ## _reg,				\
 		.enable_bit = MC13783_REG_ ## _reg ## _ ## _name ## EN,	\
+		.vsel_reg = MC13783_REG_ ## _vsel_reg,			\
+		.vsel_shift = MC13783_REG_ ## _vsel_reg ## _ ## _name ## VSEL,\
+		.vsel_mask = MC13783_REG_ ## _vsel_reg ## _ ## _name ## VSEL_M,\
+		.voltages =  _voltages,					\
+	}
+
+#define MC13783_FIXED_DEFINE(prefix, _name, _reg, _voltages)		\
+	[MC13783_ ## prefix ## _ ## _name] = {				\
+		.desc = {						\
+			.name = #prefix "_" #_name,			\
+			.n_voltages = ARRAY_SIZE(_voltages),		\
+			.ops = &mc13783_fixed_regulator_ops,		\
+			.type = REGULATOR_VOLTAGE,			\
+			.id = MC13783_ ## prefix ## _ ## _name,		\
+			.owner = THIS_MODULE,				\
+		},							\
+		.reg = MC13783_REG_ ## _reg,				\
+		.enable_bit = MC13783_REG_ ## _reg ## _ ## _name ## EN,	\
+		.voltages =  _voltages,					\
 	}
 
-#define MC13783_DEFINE_SW(_name, _reg) MC13783_DEFINE(SW, _name, _reg)
-#define MC13783_DEFINE_REGU(_name, _reg) MC13783_DEFINE(REGU, _name, _reg)
+#define MC13783_GPO_DEFINE(prefix, _name, _reg,  _voltages)		\
+	[MC13783_ ## prefix ## _ ## _name] = {				\
+		.desc = {						\
+			.name = #prefix "_" #_name,			\
+			.n_voltages = ARRAY_SIZE(_voltages),		\
+			.ops = &mc13783_gpo_regulator_ops,		\
+			.type = REGULATOR_VOLTAGE,			\
+			.id = MC13783_ ## prefix ## _ ## _name,		\
+			.owner = THIS_MODULE,				\
+		},							\
+		.reg = MC13783_REG_ ## _reg,				\
+		.enable_bit = MC13783_REG_ ## _reg ## _ ## _name ## EN,	\
+		.voltages =  _voltages,					\
+	}
+
+#define MC13783_DEFINE_SW(_name, _reg, _vsel_reg, _voltages)		\
+	MC13783_DEFINE(SW, _name, _reg, _vsel_reg, _voltages)
+#define MC13783_DEFINE_REGU(_name, _reg, _vsel_reg, _voltages)		\
+	MC13783_DEFINE(REGU, _name, _reg, _vsel_reg, _voltages)
 
 static struct mc13783_regulator mc13783_regulators[] = {
-	MC13783_DEFINE_SW(SW3, SWITCHERS5),
-	MC13783_DEFINE_SW(PLL, SWITCHERS4),
-
-	MC13783_DEFINE_REGU(VAUDIO, REGULATORMODE0),
-	MC13783_DEFINE_REGU(VIOHI, REGULATORMODE0),
-	MC13783_DEFINE_REGU(VIOLO, REGULATORMODE0),
-	MC13783_DEFINE_REGU(VDIG, REGULATORMODE0),
-	MC13783_DEFINE_REGU(VGEN, REGULATORMODE0),
-	MC13783_DEFINE_REGU(VRFDIG, REGULATORMODE0),
-	MC13783_DEFINE_REGU(VRFREF, REGULATORMODE0),
-	MC13783_DEFINE_REGU(VRFCP, REGULATORMODE0),
-	MC13783_DEFINE_REGU(VSIM, REGULATORMODE1),
-	MC13783_DEFINE_REGU(VESIM, REGULATORMODE1),
-	MC13783_DEFINE_REGU(VCAM, REGULATORMODE1),
-	MC13783_DEFINE_REGU(VRFBG, REGULATORMODE1),
-	MC13783_DEFINE_REGU(VVIB, REGULATORMODE1),
-	MC13783_DEFINE_REGU(VRF1, REGULATORMODE1),
-	MC13783_DEFINE_REGU(VRF2, REGULATORMODE1),
-	MC13783_DEFINE_REGU(VMMC1, REGULATORMODE1),
-	MC13783_DEFINE_REGU(VMMC2, REGULATORMODE1),
-	MC13783_DEFINE_REGU(GPO1, POWERMISC),
-	MC13783_DEFINE_REGU(GPO2, POWERMISC),
-	MC13783_DEFINE_REGU(GPO3, POWERMISC),
-	MC13783_DEFINE_REGU(GPO4, POWERMISC),
+	MC13783_DEFINE_SW(SW3, SWITCHERS5, SWITCHERS5, mc13783_sw3_val),
+
+	MC13783_FIXED_DEFINE(REGU, VAUDIO, REGULATORMODE0, mc13783_vaudio_val),
+	MC13783_FIXED_DEFINE(REGU, VIOHI, REGULATORMODE0, mc13783_viohi_val),
+	MC13783_DEFINE_REGU(VIOLO, REGULATORMODE0, REGULATORSETTING0,	\
+			    mc13783_violo_val),
+	MC13783_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0,	\
+			    mc13783_vdig_val),
+	MC13783_DEFINE_REGU(VGEN, REGULATORMODE0, REGULATORSETTING0,	\
+			    mc13783_vgen_val),
+	MC13783_DEFINE_REGU(VRFDIG, REGULATORMODE0, REGULATORSETTING0,	\
+			    mc13783_vrfdig_val),
+	MC13783_DEFINE_REGU(VRFREF, REGULATORMODE0, REGULATORSETTING0,	\
+			    mc13783_vrfref_val),
+	MC13783_DEFINE_REGU(VRFCP, REGULATORMODE0, REGULATORSETTING0,	\
+			    mc13783_vrfcp_val),
+	MC13783_DEFINE_REGU(VSIM, REGULATORMODE1, REGULATORSETTING0,	\
+			    mc13783_vsim_val),
+	MC13783_DEFINE_REGU(VESIM, REGULATORMODE1, REGULATORSETTING0,	\
+			    mc13783_vesim_val),
+	MC13783_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0,	\
+			    mc13783_vcam_val),
+	MC13783_FIXED_DEFINE(REGU, VRFBG, REGULATORMODE1, mc13783_vrfbg_val),
+	MC13783_DEFINE_REGU(VVIB, REGULATORMODE1, REGULATORSETTING1,	\
+			    mc13783_vvib_val),
+	MC13783_DEFINE_REGU(VRF1, REGULATORMODE1, REGULATORSETTING1,	\
+			    mc13783_vrf_val),
+	MC13783_DEFINE_REGU(VRF2, REGULATORMODE1, REGULATORSETTING1,	\
+			    mc13783_vrf_val),
+	MC13783_DEFINE_REGU(VMMC1, REGULATORMODE1, REGULATORSETTING1,	\
+			    mc13783_vmmc_val),
+	MC13783_DEFINE_REGU(VMMC2, REGULATORMODE1, REGULATORSETTING1,	\
+			    mc13783_vmmc_val),
+	MC13783_GPO_DEFINE(REGU, GPO1, POWERMISC, mc13783_gpo_val),
+	MC13783_GPO_DEFINE(REGU, GPO2, POWERMISC, mc13783_gpo_val),
+	MC13783_GPO_DEFINE(REGU, GPO3, POWERMISC, mc13783_gpo_val),
+	MC13783_GPO_DEFINE(REGU, GPO4, POWERMISC, mc13783_gpo_val),
+	MC13783_GPO_DEFINE(REGU, PWGT1SPI, POWERMISC, mc13783_pwgtdrv_val),
+	MC13783_GPO_DEFINE(REGU, PWGT2SPI, POWERMISC, mc13783_pwgtdrv_val),
 };
 
 struct mc13783_regulator_priv {
 	struct mc13783 *mc13783;
+	u32 powermisc_pwgt_state;
 	struct regulator_dev *regulators[];
 };
 
@@ -154,10 +328,241 @@ static int mc13783_regulator_is_enabled(struct regulator_dev *rdev)
 	return (val & mc13783_regulators[id].enable_bit) != 0;
 }
 
+static int mc13783_regulator_list_voltage(struct regulator_dev *rdev,
+						unsigned selector)
+{
+	int id = rdev_get_id(rdev);
+
+	if (selector >= mc13783_regulators[id].desc.n_voltages)
+		return -EINVAL;
+
+	return mc13783_regulators[id].voltages[selector];
+}
+
+static int mc13783_get_best_voltage_index(struct regulator_dev *rdev,
+						int min_uV, int max_uV)
+{
+	int reg_id = rdev_get_id(rdev);
+	int i;
+	int bestmatch;
+	int bestindex;
+
+	/*
+	 * Locate the minimum voltage fitting the criteria on
+	 * this regulator. The switchable voltages are not
+	 * in strict falling order so we need to check them
+	 * all for the best match.
+	 */
+	bestmatch = INT_MAX;
+	bestindex = -1;
+	for (i = 0; i < mc13783_regulators[reg_id].desc.n_voltages; i++) {
+		if (mc13783_regulators[reg_id].voltages[i] >= min_uV &&
+		    mc13783_regulators[reg_id].voltages[i] < bestmatch) {
+			bestmatch = mc13783_regulators[reg_id].voltages[i];
+			bestindex = i;
+		}
+	}
+
+	if (bestindex < 0 || bestmatch > max_uV) {
+		dev_warn(&rdev->dev, "no possible value for %d<=x<=%d uV\n",
+				min_uV, max_uV);
+		return -EINVAL;
+	}
+	return bestindex;
+}
+
+static int mc13783_regulator_set_voltage(struct regulator_dev *rdev,
+						int min_uV, int max_uV)
+{
+	struct mc13783_regulator_priv *priv = rdev_get_drvdata(rdev);
+	int value, id = rdev_get_id(rdev);
+	int ret;
+
+	dev_dbg(rdev_get_dev(rdev), "%s id: %d min_uV: %d max_uV: %d\n",
+		__func__, id, min_uV, max_uV);
+
+	/* Find the best index */
+	value = mc13783_get_best_voltage_index(rdev, min_uV, max_uV);
+	dev_dbg(rdev_get_dev(rdev), "%s best value: %d \n", __func__, value);
+	if (value < 0)
+		return value;
+
+	mc13783_lock(priv->mc13783);
+	ret = mc13783_reg_rmw(priv->mc13783, mc13783_regulators[id].vsel_reg,
+			mc13783_regulators[id].vsel_mask,
+			value << mc13783_regulators[id].vsel_shift);
+	mc13783_unlock(priv->mc13783);
+
+	return ret;
+}
+
+static int mc13783_regulator_get_voltage(struct regulator_dev *rdev)
+{
+	struct mc13783_regulator_priv *priv = rdev_get_drvdata(rdev);
+	int ret, id = rdev_get_id(rdev);
+	unsigned int val;
+
+	dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);
+
+	mc13783_lock(priv->mc13783);
+	ret = mc13783_reg_read(priv->mc13783,
+				mc13783_regulators[id].vsel_reg, &val);
+	mc13783_unlock(priv->mc13783);
+
+	if (ret)
+		return ret;
+
+	val = (val & mc13783_regulators[id].vsel_mask)
+		>> mc13783_regulators[id].vsel_shift;
+
+	dev_dbg(rdev_get_dev(rdev), "%s id: %d val: %d\n", __func__, id, val);
+
+	BUG_ON(val < 0 || val > mc13783_regulators[id].desc.n_voltages);
+
+	return mc13783_regulators[id].voltages[val];
+}
+
 static struct regulator_ops mc13783_regulator_ops = {
 	.enable = mc13783_regulator_enable,
 	.disable = mc13783_regulator_disable,
 	.is_enabled = mc13783_regulator_is_enabled,
+	.list_voltage = mc13783_regulator_list_voltage,
+	.set_voltage = mc13783_regulator_set_voltage,
+	.get_voltage = mc13783_regulator_get_voltage,
+};
+
+static int mc13783_fixed_regulator_set_voltage(struct regulator_dev *rdev,
+						int min_uV, int max_uV)
+{
+	int id = rdev_get_id(rdev);
+
+	dev_dbg(rdev_get_dev(rdev), "%s id: %d min_uV: %d max_uV: %d\n",
+		__func__, id, min_uV, max_uV);
+
+	if (min_uV > mc13783_regulators[id].voltages[0] &&
+	    max_uV < mc13783_regulators[id].voltages[0])
+		return 0;
+	else
+		return -EINVAL;
+}
+
+static int mc13783_fixed_regulator_get_voltage(struct regulator_dev *rdev)
+{
+	int id = rdev_get_id(rdev);
+
+	dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);
+
+	return mc13783_regulators[id].voltages[0];
+}
+
+static struct regulator_ops mc13783_fixed_regulator_ops = {
+	.enable = mc13783_regulator_enable,
+	.disable = mc13783_regulator_disable,
+	.is_enabled = mc13783_regulator_is_enabled,
+	.list_voltage = mc13783_regulator_list_voltage,
+	.set_voltage = mc13783_fixed_regulator_set_voltage,
+	.get_voltage = mc13783_fixed_regulator_get_voltage,
+};
+
+int mc13783_powermisc_rmw(struct mc13783_regulator_priv *priv, u32 mask,
+									u32 val)
+{
+	struct mc13783 *mc13783 = priv->mc13783;
+	int ret;
+	u32 valread;
+
+	BUG_ON(val & ~mask);
+
+	ret = mc13783_reg_read(mc13783, MC13783_REG_POWERMISC, &valread);
+	if (ret)
+		return ret;
+
+	/* Update the stored state for Power Gates. */
+	priv->powermisc_pwgt_state =
+				(priv->powermisc_pwgt_state & ~mask) | val;
+	priv->powermisc_pwgt_state &= MC13783_REG_POWERMISC_PWGTSPI_M;
+
+	/* Construct the new register value */
+	valread = (valread & ~mask) | val;
+	/* Overwrite the PWGTxEN with the stored version */
+	valread = (valread & ~MC13783_REG_POWERMISC_PWGTSPI_M) |
+						priv->powermisc_pwgt_state;
+
+	return mc13783_reg_write(mc13783, MC13783_REG_POWERMISC, valread);
+}
+
+static int mc13783_gpo_regulator_enable(struct regulator_dev *rdev)
+{
+	struct mc13783_regulator_priv *priv = rdev_get_drvdata(rdev);
+	int id = rdev_get_id(rdev);
+	int ret;
+	u32 en_val = mc13783_regulators[id].enable_bit;
+
+	dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);
+
+	/* Power Gate enable value is 0 */
+	if (id == MC13783_REGU_PWGT1SPI ||
+	    id == MC13783_REGU_PWGT2SPI)
+		en_val = 0;
+
+	mc13783_lock(priv->mc13783);
+	ret = mc13783_powermisc_rmw(priv, mc13783_regulators[id].enable_bit,
+					en_val);
+	mc13783_unlock(priv->mc13783);
+
+	return ret;
+}
+
+static int mc13783_gpo_regulator_disable(struct regulator_dev *rdev)
+{
+	struct mc13783_regulator_priv *priv = rdev_get_drvdata(rdev);
+	int id = rdev_get_id(rdev);
+	int ret;
+	u32 dis_val = 0;
+
+	dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id);
+
+	/* Power Gate disable value is 1 */
+	if (id == MC13783_REGU_PWGT1SPI ||
+	    id == MC13783_REGU_PWGT2SPI)
+		dis_val = mc13783_regulators[id].enable_bit;
+
+	mc13783_lock(priv->mc13783);
+	ret = mc13783_powermisc_rmw(priv, mc13783_regulators[id].enable_bit,
+					dis_val);
+	mc13783_unlock(priv->mc13783);
+
+	return ret;
+}
+
+static int mc13783_gpo_regulator_is_enabled(struct regulator_dev *rdev)
+{
+	struct mc13783_regulator_priv *priv = rdev_get_drvdata(rdev);
+	int ret, id = rdev_get_id(rdev);
+	unsigned int val;
+
+	mc13783_lock(priv->mc13783);
+	ret = mc13783_reg_read(priv->mc13783, mc13783_regulators[id].reg, &val);
+	mc13783_unlock(priv->mc13783);
+
+	if (ret)
+		return ret;
+
+	/* Power Gates state is stored in powermisc_pwgt_state
+	 * where the meaning of bits is negated */
+	val = (val & ~MC13783_REG_POWERMISC_PWGTSPI_M) |
+	      (priv->powermisc_pwgt_state ^ MC13783_REG_POWERMISC_PWGTSPI_M);
+
+	return (val & mc13783_regulators[id].enable_bit) != 0;
+}
+
+static struct regulator_ops mc13783_gpo_regulator_ops = {
+	.enable = mc13783_gpo_regulator_enable,
+	.disable = mc13783_gpo_regulator_disable,
+	.is_enabled = mc13783_gpo_regulator_is_enabled,
+	.list_voltage = mc13783_regulator_list_voltage,
+	.set_voltage = mc13783_fixed_regulator_set_voltage,
+	.get_voltage = mc13783_fixed_regulator_get_voltage,
 };
 
 static int __devinit mc13783_regulator_probe(struct platform_device *pdev)
diff --git a/drivers/regulator/pcap-regulator.c b/drivers/regulator/pcap-regulator.c
index 33d7d899e030..29d0566379ae 100644
--- a/drivers/regulator/pcap-regulator.c
+++ b/drivers/regulator/pcap-regulator.c
@@ -288,16 +288,18 @@ static int __devexit pcap_regulator_remove(struct platform_device *pdev)
 	struct regulator_dev *rdev = platform_get_drvdata(pdev);
 
 	regulator_unregister(rdev);
+	platform_set_drvdata(pdev, NULL);
 
 	return 0;
 }
 
 static struct platform_driver pcap_regulator_driver = {
 	.driver = {
-		.name = "pcap-regulator",
+		.name	= "pcap-regulator",
+		.owner	= THIS_MODULE,
 	},
-	.probe = pcap_regulator_probe,
-	.remove = __devexit_p(pcap_regulator_remove),
+	.probe	= pcap_regulator_probe,
+	.remove	= __devexit_p(pcap_regulator_remove),
 };
 
 static int __init pcap_regulator_init(void)
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index 07fda0a75adf..1f183543bdbd 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -457,8 +457,8 @@ static struct regulator_ops tps65023_ldo_ops = {
 	.list_voltage = tps65023_ldo_list_voltage,
 };
 
-static
-int tps_65023_probe(struct i2c_client *client, const struct i2c_device_id *id)
+static int __devinit tps_65023_probe(struct i2c_client *client,
+				     const struct i2c_device_id *id)
 {
 	static int desc_id;
 	const struct tps_info *info = (void *)id->driver_data;
@@ -466,6 +466,7 @@ int tps_65023_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	struct regulator_dev *rdev;
 	struct tps_pmic *tps;
 	int i;
+	int error;
 
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
 		return -EIO;
@@ -475,7 +476,6 @@ int tps_65023_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	 * coming from the board-evm file.
 	 */
 	init_data = client->dev.platform_data;
-
 	if (!init_data)
 		return -EIO;
 
@@ -502,21 +502,12 @@ int tps_65023_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
 		/* Register the regulators */
 		rdev = regulator_register(&tps->desc[i], &client->dev,
-								init_data, tps);
+					  init_data, tps);
 		if (IS_ERR(rdev)) {
 			dev_err(&client->dev, "failed to register %s\n",
 				id->name);
-
-			/* Unregister */
-			while (i)
-				regulator_unregister(tps->rdev[--i]);
-
-			tps->client = NULL;
-
-			/* clear the client data in i2c */
-			i2c_set_clientdata(client, NULL);
-			kfree(tps);
-			return PTR_ERR(rdev);
+			error = PTR_ERR(rdev);
+			goto fail;
 		}
 
 		/* Save regulator for cleanup */
@@ -526,6 +517,13 @@ int tps_65023_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	i2c_set_clientdata(client, tps);
 
 	return 0;
+
+ fail:
+	while (--i >= 0)
+		regulator_unregister(tps->rdev[i]);
+
+	kfree(tps);
+	return error;
 }
 
 /**
@@ -539,13 +537,12 @@ static int __devexit tps_65023_remove(struct i2c_client *client)
 	struct tps_pmic *tps = i2c_get_clientdata(client);
 	int i;
 
+	/* clear the client data in i2c */
+	i2c_set_clientdata(client, NULL);
+
 	for (i = 0; i < TPS65023_NUM_REGULATOR; i++)
 		regulator_unregister(tps->rdev[i]);
 
-	tps->client = NULL;
-
-	/* clear the client data in i2c */
-	i2c_set_clientdata(client, NULL);
 	kfree(tps);
 
 	return 0;
diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index f8a6dfbef751..c2a9539acd72 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -538,8 +538,8 @@ static struct regulator_ops tps6507x_ldo_ops = {
 	.list_voltage = tps6507x_ldo_list_voltage,
 };
 
-static
-int tps_6507x_probe(struct i2c_client *client, const struct i2c_device_id *id)
+static int __devinit tps_6507x_probe(struct i2c_client *client,
+				     const struct i2c_device_id *id)
 {
 	static int desc_id;
 	const struct tps_info *info = (void *)id->driver_data;
@@ -547,6 +547,7 @@ int tps_6507x_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	struct regulator_dev *rdev;
 	struct tps_pmic *tps;
 	int i;
+	int error;
 
 	if (!i2c_check_functionality(client->adapter,
 				I2C_FUNC_SMBUS_BYTE_DATA))
@@ -557,7 +558,6 @@ int tps_6507x_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	 * coming from the board-evm file.
 	 */
 	init_data = client->dev.platform_data;
-
 	if (!init_data)
 		return -EIO;
 
@@ -586,18 +586,8 @@ int tps_6507x_probe(struct i2c_client *client, const struct i2c_device_id *id)
 		if (IS_ERR(rdev)) {
 			dev_err(&client->dev, "failed to register %s\n",
 				id->name);
-
-			/* Unregister */
-			while (i)
-				regulator_unregister(tps->rdev[--i]);
-
-			tps->client = NULL;
-
-			/* clear the client data in i2c */
-			i2c_set_clientdata(client, NULL);
-
-			kfree(tps);
-			return PTR_ERR(rdev);
+			error = PTR_ERR(rdev);
+			goto fail;
 		}
 
 		/* Save regulator for cleanup */
@@ -607,6 +597,13 @@ int tps_6507x_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	i2c_set_clientdata(client, tps);
 
 	return 0;
+
+fail:
+	while (--i >= 0)
+		regulator_unregister(tps->rdev[i]);
+
+	kfree(tps);
+	return error;
 }
 
 /**
@@ -620,13 +617,12 @@ static int __devexit tps_6507x_remove(struct i2c_client *client)
 	struct tps_pmic *tps = i2c_get_clientdata(client);
 	int i;
 
+	/* clear the client data in i2c */
+	i2c_set_clientdata(client, NULL);
+
 	for (i = 0; i < TPS6507X_NUM_REGULATOR; i++)
 		regulator_unregister(tps->rdev[i]);
 
-	tps->client = NULL;
-
-	/* clear the client data in i2c */
-	i2c_set_clientdata(client, NULL);
 	kfree(tps);
 
 	return 0;
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 7e674859bd59..9729d760fb4d 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -519,19 +519,19 @@ static struct twlreg_info twl_regs[] = {
 	/* 6030 REG with base as PMC Slave Misc : 0x0030 */
 	/* Turnon-delay and remap configuration values for 6030 are not
 	   verified since the specification is not public */
-	TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1, 0, 0x08),
-	TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 2, 0, 0x08),
-	TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 3, 0, 0x08),
-	TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 4, 0, 0x08),
-	TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 5, 0, 0x08),
-	TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 7, 0, 0x08),
-	TWL6030_FIXED_LDO(VANA, 0x50, 2100, 15, 0, 0x08),
-	TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 16, 0, 0x08),
-	TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 17, 0, 0x08),
-	TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 18, 0, 0x08)
+	TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1, 0, 0x21),
+	TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 2, 0, 0x21),
+	TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 3, 0, 0x21),
+	TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 4, 0, 0x21),
+	TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 5, 0, 0x21),
+	TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 7, 0, 0x21),
+	TWL6030_FIXED_LDO(VANA, 0x50, 2100, 15, 0, 0x21),
+	TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 16, 0, 0x21),
+	TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 17, 0, 0x21),
+	TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 18, 0, 0x21)
 };
 
-static int twlreg_probe(struct platform_device *pdev)
+static int __devinit twlreg_probe(struct platform_device *pdev)
 {
 	int				i;
 	struct twlreg_info		*info;
diff --git a/drivers/regulator/virtual.c b/drivers/regulator/virtual.c
index addc032c84bf..d96cecaac73d 100644
--- a/drivers/regulator/virtual.c
+++ b/drivers/regulator/virtual.c
@@ -19,7 +19,7 @@
 struct virtual_consumer_data {
 	struct mutex lock;
 	struct regulator *regulator;
-	int enabled;
+	bool enabled;
 	int min_uV;
 	int max_uV;
 	int min_uA;
@@ -49,7 +49,7 @@ static void update_voltage_constraints(struct device *dev,
 		dev_dbg(dev, "Enabling regulator\n");
 		ret = regulator_enable(data->regulator);
 		if (ret == 0)
-			data->enabled = 1;
+			data->enabled = true;
 		else
 			dev_err(dev, "regulator_enable() failed: %d\n",
 				ret);
@@ -59,7 +59,7 @@ static void update_voltage_constraints(struct device *dev,
 		dev_dbg(dev, "Disabling regulator\n");
 		ret = regulator_disable(data->regulator);
 		if (ret == 0)
-			data->enabled = 0;
+			data->enabled = false;
 		else
 			dev_err(dev, "regulator_disable() failed: %d\n",
 				ret);
@@ -89,7 +89,7 @@ static void update_current_limit_constraints(struct device *dev,
 		dev_dbg(dev, "Enabling regulator\n");
 		ret = regulator_enable(data->regulator);
 		if (ret == 0)
-			data->enabled = 1;
+			data->enabled = true;
 		else
 			dev_err(dev, "regulator_enable() failed: %d\n",
 				ret);
@@ -99,7 +99,7 @@ static void update_current_limit_constraints(struct device *dev,
 		dev_dbg(dev, "Disabling regulator\n");
 		ret = regulator_disable(data->regulator);
 		if (ret == 0)
-			data->enabled = 0;
+			data->enabled = false;
 		else
 			dev_err(dev, "regulator_disable() failed: %d\n",
 				ret);
@@ -270,24 +270,28 @@ static DEVICE_ATTR(min_microamps, 0666, show_min_uA, set_min_uA);
 static DEVICE_ATTR(max_microamps, 0666, show_max_uA, set_max_uA);
 static DEVICE_ATTR(mode, 0666, show_mode, set_mode);
 
-static struct device_attribute *attributes[] = {
-	&dev_attr_min_microvolts,
-	&dev_attr_max_microvolts,
-	&dev_attr_min_microamps,
-	&dev_attr_max_microamps,
-	&dev_attr_mode,
+static struct attribute *regulator_virtual_attributes[] = {
+	&dev_attr_min_microvolts.attr,
+	&dev_attr_max_microvolts.attr,
+	&dev_attr_min_microamps.attr,
+	&dev_attr_max_microamps.attr,
+	&dev_attr_mode.attr,
+	NULL
 };
 
-static int regulator_virtual_consumer_probe(struct platform_device *pdev)
+static const struct attribute_group regulator_virtual_attr_group = {
+	.attrs	= regulator_virtual_attributes,
+};
+
+static int __devinit regulator_virtual_probe(struct platform_device *pdev)
 {
 	char *reg_id = pdev->dev.platform_data;
 	struct virtual_consumer_data *drvdata;
-	int ret, i;
+	int ret;
 
 	drvdata = kzalloc(sizeof(struct virtual_consumer_data), GFP_KERNEL);
-	if (drvdata == NULL) {
+	if (drvdata == NULL)
 		return -ENOMEM;
-	}
 
 	mutex_init(&drvdata->lock);
 
@@ -299,13 +303,12 @@ static int regulator_virtual_consumer_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	for (i = 0; i < ARRAY_SIZE(attributes); i++) {
-		ret = device_create_file(&pdev->dev, attributes[i]);
-		if (ret != 0) {
-			dev_err(&pdev->dev, "Failed to create attr %d: %d\n",
-				i, ret);
-			goto err_regulator;
-		}
+	ret = sysfs_create_group(&pdev->dev.kobj,
+				 &regulator_virtual_attr_group);
+	if (ret != 0) {
+		dev_err(&pdev->dev,
+			"Failed to create attribute group: %d\n", ret);
+		goto err_regulator;
 	}
 
 	drvdata->mode = regulator_get_mode(drvdata->regulator);
@@ -317,37 +320,36 @@ static int regulator_virtual_consumer_probe(struct platform_device *pdev)
 err_regulator:
 	regulator_put(drvdata->regulator);
 err:
-	for (i = 0; i < ARRAY_SIZE(attributes); i++)
-		device_remove_file(&pdev->dev, attributes[i]);
 	kfree(drvdata);
 	return ret;
 }
 
-static int regulator_virtual_consumer_remove(struct platform_device *pdev)
+static int __devexit regulator_virtual_remove(struct platform_device *pdev)
 {
 	struct virtual_consumer_data *drvdata = platform_get_drvdata(pdev);
-	int i;
 
-	for (i = 0; i < ARRAY_SIZE(attributes); i++)
-		device_remove_file(&pdev->dev, attributes[i]);
+	sysfs_remove_group(&pdev->dev.kobj, &regulator_virtual_attr_group);
+
 	if (drvdata->enabled)
 		regulator_disable(drvdata->regulator);
 	regulator_put(drvdata->regulator);
 
 	kfree(drvdata);
 
+	platform_set_drvdata(pdev, NULL);
+
 	return 0;
 }
 
 static struct platform_driver regulator_virtual_consumer_driver = {
-	.probe		= regulator_virtual_consumer_probe,
-	.remove		= regulator_virtual_consumer_remove,
+	.probe		= regulator_virtual_probe,
+	.remove		= __devexit_p(regulator_virtual_remove),
 	.driver		= {
 		.name		= "reg-virt-consumer",
+		.owner		= THIS_MODULE,
 	},
 };
 
-
 static int __init regulator_virtual_consumer_init(void)
 {
 	return platform_driver_register(&regulator_virtual_consumer_driver);
diff --git a/drivers/regulator/wm831x-dcdc.c b/drivers/regulator/wm831x-dcdc.c
index 0a6577577e8d..6e18e56d850b 100644
--- a/drivers/regulator/wm831x-dcdc.c
+++ b/drivers/regulator/wm831x-dcdc.c
@@ -600,6 +600,8 @@ static __devexit int wm831x_buckv_remove(struct platform_device *pdev)
 	struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
 	struct wm831x *wm831x = dcdc->wm831x;
 
+	platform_set_drvdata(pdev, NULL);
+
 	wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "HC"), dcdc);
 	wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc);
 	regulator_unregister(dcdc->regulator);
@@ -615,6 +617,7 @@ static struct platform_driver wm831x_buckv_driver = {
 	.remove = __devexit_p(wm831x_buckv_remove),
 	.driver		= {
 		.name	= "wm831x-buckv",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -769,6 +772,8 @@ static __devexit int wm831x_buckp_remove(struct platform_device *pdev)
 	struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
 	struct wm831x *wm831x = dcdc->wm831x;
 
+	platform_set_drvdata(pdev, NULL);
+
 	wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc);
 	regulator_unregister(dcdc->regulator);
 	kfree(dcdc);
@@ -781,6 +786,7 @@ static struct platform_driver wm831x_buckp_driver = {
 	.remove = __devexit_p(wm831x_buckp_remove),
 	.driver		= {
 		.name	= "wm831x-buckp",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -895,6 +901,8 @@ static __devexit int wm831x_boostp_remove(struct platform_device *pdev)
 	struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
 	struct wm831x *wm831x = dcdc->wm831x;
 
+	platform_set_drvdata(pdev, NULL);
+
 	wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), dcdc);
 	regulator_unregister(dcdc->regulator);
 	kfree(dcdc);
@@ -907,6 +915,7 @@ static struct platform_driver wm831x_boostp_driver = {
 	.remove = __devexit_p(wm831x_boostp_remove),
 	.driver		= {
 		.name	= "wm831x-boostp",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -979,6 +988,8 @@ static __devexit int wm831x_epe_remove(struct platform_device *pdev)
 {
 	struct wm831x_dcdc *dcdc = platform_get_drvdata(pdev);
 
+	platform_set_drvdata(pdev, NULL);
+
 	regulator_unregister(dcdc->regulator);
 	kfree(dcdc);
 
@@ -990,6 +1001,7 @@ static struct platform_driver wm831x_epe_driver = {
 	.remove = __devexit_p(wm831x_epe_remove),
 	.driver		= {
 		.name	= "wm831x-epe",
+		.owner	= THIS_MODULE,
 	},
 };
 
diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c
index 48857008758c..ca0f6b6c384b 100644
--- a/drivers/regulator/wm831x-isink.c
+++ b/drivers/regulator/wm831x-isink.c
@@ -222,6 +222,8 @@ static __devexit int wm831x_isink_remove(struct platform_device *pdev)
 	struct wm831x_isink *isink = platform_get_drvdata(pdev);
 	struct wm831x *wm831x = isink->wm831x;
 
+	platform_set_drvdata(pdev, NULL);
+
 	wm831x_free_irq(wm831x, platform_get_irq(pdev, 0), isink);
 
 	regulator_unregister(isink->regulator);
@@ -235,6 +237,7 @@ static struct platform_driver wm831x_isink_driver = {
 	.remove = __devexit_p(wm831x_isink_remove),
 	.driver		= {
 		.name	= "wm831x-isink",
+		.owner	= THIS_MODULE,
 	},
 };
 
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index 61e02ac2fda3..d2406c1519a1 100644
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -371,6 +371,8 @@ static __devexit int wm831x_gp_ldo_remove(struct platform_device *pdev)
 	struct wm831x_ldo *ldo = platform_get_drvdata(pdev);
 	struct wm831x *wm831x = ldo->wm831x;
 
+	platform_set_drvdata(pdev, NULL);
+
 	wm831x_free_irq(wm831x, platform_get_irq_byname(pdev, "UV"), ldo);
 	regulator_unregister(ldo->regulator);
 	kfree(ldo);
@@ -383,6 +385,7 @@ static struct platform_driver wm831x_gp_ldo_driver = {
 	.remove = __devexit_p(wm831x_gp_ldo_remove),
 	.driver		= {
 		.name	= "wm831x-ldo",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -640,6 +643,7 @@ static struct platform_driver wm831x_aldo_driver = {
 	.remove = __devexit_p(wm831x_aldo_remove),
 	.driver		= {
 		.name	= "wm831x-aldo",
+		.owner	= THIS_MODULE,
 	},
 };
 
@@ -811,6 +815,7 @@ static struct platform_driver wm831x_alive_ldo_driver = {
 	.remove = __devexit_p(wm831x_alive_ldo_remove),
 	.driver		= {
 		.name	= "wm831x-alive-ldo",
+		.owner	= THIS_MODULE,
 	},
 };
 
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index e7b89e704af6..723cd1fb4867 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -290,6 +290,51 @@ static int wm8350_isink_is_enabled(struct regulator_dev *rdev)
 	return -EINVAL;
 }
 
+static int wm8350_isink_enable_time(struct regulator_dev *rdev)
+{
+	struct wm8350 *wm8350 = rdev_get_drvdata(rdev);
+	int isink = rdev_get_id(rdev);
+	int reg;
+
+	switch (isink) {
+	case WM8350_ISINK_A:
+		reg = wm8350_reg_read(wm8350, WM8350_CSA_FLASH_CONTROL);
+		break;
+	case WM8350_ISINK_B:
+		reg = wm8350_reg_read(wm8350, WM8350_CSB_FLASH_CONTROL);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (reg & WM8350_CS1_FLASH_MODE) {
+		switch (reg & WM8350_CS1_ON_RAMP_MASK) {
+		case 0:
+			return 0;
+		case 1:
+			return 1950;
+		case 2:
+			return 3910;
+		case 3:
+			return 7800;
+		}
+	} else {
+		switch (reg & WM8350_CS1_ON_RAMP_MASK) {
+		case 0:
+			return 0;
+		case 1:
+			return 250000;
+		case 2:
+			return 500000;
+		case 3:
+			return 1000000;
+		}
+	}
+
+	return -EINVAL;
+}
+
+
 int wm8350_isink_set_flash(struct wm8350 *wm8350, int isink, u16 mode,
 			   u16 trigger, u16 duration, u16 on_ramp, u16 off_ramp,
 			   u16 drive)
@@ -1221,6 +1266,7 @@ static struct regulator_ops wm8350_isink_ops = {
 	.enable = wm8350_isink_enable,
 	.disable = wm8350_isink_disable,
 	.is_enabled = wm8350_isink_is_enabled,
+	.enable_time = wm8350_isink_enable_time,
 };
 
 static struct regulator_desc wm8350_reg[NUM_WM8350_REGULATORS] = {
@@ -1407,7 +1453,7 @@ static int wm8350_regulator_remove(struct platform_device *pdev)
 	struct regulator_dev *rdev = platform_get_drvdata(pdev);
 	struct wm8350 *wm8350 = rdev_get_drvdata(rdev);
 
-	wm8350_free_irq(wm8350, wm8350_reg[pdev->id].irq);
+	wm8350_free_irq(wm8350, wm8350_reg[pdev->id].irq, rdev);
 
 	regulator_unregister(rdev);
 
diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c
index d9a2c988c6e7..924c7eb29ee9 100644
--- a/drivers/regulator/wm8400-regulator.c
+++ b/drivers/regulator/wm8400-regulator.c
@@ -317,14 +317,17 @@ static struct regulator_desc regulators[] = {
 
 static int __devinit wm8400_regulator_probe(struct platform_device *pdev)
 {
+	struct wm8400 *wm8400 = container_of(pdev, struct wm8400, regulators[pdev->id]);
 	struct regulator_dev *rdev;
 
 	rdev = regulator_register(&regulators[pdev->id], &pdev->dev,
-		pdev->dev.platform_data, dev_get_drvdata(&pdev->dev));
+				  pdev->dev.platform_data, wm8400);
 
 	if (IS_ERR(rdev))
 		return PTR_ERR(rdev);
 
+	platform_set_drvdata(pdev, rdev);
+
 	return 0;
 }
 
@@ -332,6 +335,7 @@ static int __devexit wm8400_regulator_remove(struct platform_device *pdev)
 {
 	struct regulator_dev *rdev = platform_get_drvdata(pdev);
 
+	platform_set_drvdata(pdev, NULL);
 	regulator_unregister(rdev);
 
 	return 0;
@@ -370,7 +374,6 @@ int wm8400_register_regulator(struct device *dev, int reg,
 	wm8400->regulators[reg].id = reg;
 	wm8400->regulators[reg].dev.parent = dev;
 	wm8400->regulators[reg].dev.platform_data = initdata;
-	dev_set_drvdata(&wm8400->regulators[reg].dev, wm8400);
 
 	return platform_device_register(&wm8400->regulators[reg]);
 }
diff --git a/drivers/regulator/wm8994-regulator.c b/drivers/regulator/wm8994-regulator.c
new file mode 100644
index 000000000000..95454a4637b7
--- /dev/null
+++ b/drivers/regulator/wm8994-regulator.c
@@ -0,0 +1,307 @@
+/*
+ * wm8994-regulator.c  --  Regulator driver for the WM8994
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/bitops.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/gpio.h>
+
+#include <linux/mfd/wm8994/core.h>
+#include <linux/mfd/wm8994/registers.h>
+#include <linux/mfd/wm8994/pdata.h>
+
+struct wm8994_ldo {
+	int enable;
+	bool is_enabled;
+	struct regulator_dev *regulator;
+	struct wm8994 *wm8994;
+};
+
+#define WM8994_LDO1_MAX_SELECTOR 0x7
+#define WM8994_LDO2_MAX_SELECTOR 0x3
+
+static int wm8994_ldo_enable(struct regulator_dev *rdev)
+{
+	struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
+
+	/* If we have no soft control assume that the LDO is always enabled. */
+	if (!ldo->enable)
+		return 0;
+
+	gpio_set_value(ldo->enable, 1);
+	ldo->is_enabled = true;
+
+	return 0;
+}
+
+static int wm8994_ldo_disable(struct regulator_dev *rdev)
+{
+	struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
+
+	/* If we have no soft control assume that the LDO is always enabled. */
+	if (!ldo->enable)
+		return -EINVAL;
+
+	gpio_set_value(ldo->enable, 0);
+	ldo->is_enabled = false;
+
+	return 0;
+}
+
+static int wm8994_ldo_is_enabled(struct regulator_dev *rdev)
+{
+	struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
+
+	return ldo->is_enabled;
+}
+
+static int wm8994_ldo_enable_time(struct regulator_dev *rdev)
+{
+	/* 3ms is fairly conservative but this shouldn't be too performance
+	 * critical; can be tweaked per-system if required. */
+	return 3000;
+}
+
+static int wm8994_ldo1_list_voltage(struct regulator_dev *rdev,
+				    unsigned int selector)
+{
+	if (selector > WM8994_LDO1_MAX_SELECTOR)
+		return -EINVAL;
+
+	return (selector * 100000) + 2400000;
+}
+
+static int wm8994_ldo1_get_voltage(struct regulator_dev *rdev)
+{
+	struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
+	int val;
+
+	val = wm8994_reg_read(ldo->wm8994, WM8994_LDO_1);
+	if (val < 0)
+		return val;
+
+	val = (val & WM8994_LDO1_VSEL_MASK) >> WM8994_LDO1_VSEL_SHIFT;
+
+	return wm8994_ldo1_list_voltage(rdev, val);
+}
+
+static int wm8994_ldo1_set_voltage(struct regulator_dev *rdev,
+				   int min_uV, int max_uV)
+{
+	struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
+	int selector, v;
+
+	selector = (min_uV - 2400000) / 100000;
+	v = wm8994_ldo1_list_voltage(rdev, selector);
+	if (v < 0 || v > max_uV)
+		return -EINVAL;
+
+	selector <<= WM8994_LDO1_VSEL_SHIFT;
+
+	return wm8994_set_bits(ldo->wm8994, WM8994_LDO_1,
+			       WM8994_LDO1_VSEL_MASK, selector);
+}
+
+static struct regulator_ops wm8994_ldo1_ops = {
+	.enable = wm8994_ldo_enable,
+	.disable = wm8994_ldo_disable,
+	.is_enabled = wm8994_ldo_is_enabled,
+	.enable_time = wm8994_ldo_enable_time,
+
+	.list_voltage = wm8994_ldo1_list_voltage,
+	.get_voltage = wm8994_ldo1_get_voltage,
+	.set_voltage = wm8994_ldo1_set_voltage,
+};
+
+static int wm8994_ldo2_list_voltage(struct regulator_dev *rdev,
+				    unsigned int selector)
+{
+	if (selector > WM8994_LDO2_MAX_SELECTOR)
+		return -EINVAL;
+
+	return (selector * 100000) + 900000;
+}
+
+static int wm8994_ldo2_get_voltage(struct regulator_dev *rdev)
+{
+	struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
+	int val;
+
+	val = wm8994_reg_read(ldo->wm8994, WM8994_LDO_2);
+	if (val < 0)
+		return val;
+
+	val = (val & WM8994_LDO2_VSEL_MASK) >> WM8994_LDO2_VSEL_SHIFT;
+
+	return wm8994_ldo2_list_voltage(rdev, val);
+}
+
+static int wm8994_ldo2_set_voltage(struct regulator_dev *rdev,
+				   int min_uV, int max_uV)
+{
+	struct wm8994_ldo *ldo = rdev_get_drvdata(rdev);
+	int selector, v;
+
+	selector = (min_uV - 900000) / 100000;
+	v = wm8994_ldo2_list_voltage(rdev, selector);
+	if (v < 0 || v > max_uV)
+		return -EINVAL;
+
+	selector <<= WM8994_LDO2_VSEL_SHIFT;
+
+	return wm8994_set_bits(ldo->wm8994, WM8994_LDO_2,
+			       WM8994_LDO2_VSEL_MASK, selector);
+}
+
+static struct regulator_ops wm8994_ldo2_ops = {
+	.enable = wm8994_ldo_enable,
+	.disable = wm8994_ldo_disable,
+	.is_enabled = wm8994_ldo_is_enabled,
+	.enable_time = wm8994_ldo_enable_time,
+
+	.list_voltage = wm8994_ldo2_list_voltage,
+	.get_voltage = wm8994_ldo2_get_voltage,
+	.set_voltage = wm8994_ldo2_set_voltage,
+};
+
+static struct regulator_desc wm8994_ldo_desc[] = {
+	{
+		.name = "LDO1",
+		.id = 1,
+		.type = REGULATOR_VOLTAGE,
+		.n_voltages = WM8994_LDO1_MAX_SELECTOR + 1,
+		.ops = &wm8994_ldo1_ops,
+		.owner = THIS_MODULE,
+	},
+	{
+		.name = "LDO2",
+		.id = 2,
+		.type = REGULATOR_VOLTAGE,
+		.n_voltages = WM8994_LDO2_MAX_SELECTOR + 1,
+		.ops = &wm8994_ldo2_ops,
+		.owner = THIS_MODULE,
+	},
+};
+
+static __devinit int wm8994_ldo_probe(struct platform_device *pdev)
+{
+	struct wm8994 *wm8994 = dev_get_drvdata(pdev->dev.parent);
+	struct wm8994_pdata *pdata = wm8994->dev->platform_data;
+	int id = pdev->id % ARRAY_SIZE(pdata->ldo);
+	struct wm8994_ldo *ldo;
+	int ret;
+
+	dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
+
+	if (!pdata)
+		return -ENODEV;
+
+	ldo = kzalloc(sizeof(struct wm8994_ldo), GFP_KERNEL);
+	if (ldo == NULL) {
+		dev_err(&pdev->dev, "Unable to allocate private data\n");
+		return -ENOMEM;
+	}
+
+	ldo->wm8994 = wm8994;
+
+	ldo->is_enabled = true;
+
+	if (pdata->ldo[id].enable && gpio_is_valid(pdata->ldo[id].enable)) {
+		ldo->enable = pdata->ldo[id].enable;
+
+		ret = gpio_request(ldo->enable, "WM8994 LDO enable");
+		if (ret < 0) {
+			dev_err(&pdev->dev, "Failed to get enable GPIO: %d\n",
+				ret);
+			goto err;
+		}
+
+		ret = gpio_direction_output(ldo->enable, ldo->is_enabled);
+		if (ret < 0) {
+			dev_err(&pdev->dev, "Failed to set GPIO up: %d\n",
+				ret);
+			goto err_gpio;
+		}
+	}
+
+	ldo->regulator = regulator_register(&wm8994_ldo_desc[id], &pdev->dev,
+					     pdata->ldo[id].init_data, ldo);
+	if (IS_ERR(ldo->regulator)) {
+		ret = PTR_ERR(ldo->regulator);
+		dev_err(wm8994->dev, "Failed to register LDO%d: %d\n",
+			id + 1, ret);
+		goto err_gpio;
+	}
+
+	platform_set_drvdata(pdev, ldo);
+
+	return 0;
+
+err_gpio:
+	if (gpio_is_valid(ldo->enable))
+		gpio_free(ldo->enable);
+err:
+	kfree(ldo);
+	return ret;
+}
+
+static __devexit int wm8994_ldo_remove(struct platform_device *pdev)
+{
+	struct wm8994_ldo *ldo = platform_get_drvdata(pdev);
+
+	platform_set_drvdata(pdev, NULL);
+
+	regulator_unregister(ldo->regulator);
+	if (gpio_is_valid(ldo->enable))
+		gpio_free(ldo->enable);
+	kfree(ldo);
+
+	return 0;
+}
+
+static struct platform_driver wm8994_ldo_driver = {
+	.probe = wm8994_ldo_probe,
+	.remove = __devexit_p(wm8994_ldo_remove),
+	.driver		= {
+		.name	= "wm8994-ldo",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init wm8994_ldo_init(void)
+{
+	int ret;
+
+	ret = platform_driver_register(&wm8994_ldo_driver);
+	if (ret != 0)
+		pr_err("Failed to register Wm8994 GP LDO driver: %d\n", ret);
+
+	return ret;
+}
+subsys_initcall(wm8994_ldo_init);
+
+static void __exit wm8994_ldo_exit(void)
+{
+	platform_driver_unregister(&wm8994_ldo_driver);
+}
+module_exit(wm8994_ldo_exit);
+
+/* Module information */
+MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
+MODULE_DESCRIPTION("WM8994 LDO driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:wm8994-ldo");
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 2bb8a8b7ffaf..6a1303759432 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -175,6 +175,16 @@ config RTC_DRV_MAX6900
 	  This driver can also be built as a module. If so, the module
 	  will be called rtc-max6900.
 
+config RTC_DRV_MAX8925
+	tristate "Maxim MAX8925"
+	depends on MFD_MAX8925
+	help
+	  If you say yes here you will get support for the
+	  RTC of Maxim MAX8925 PMIC.
+
+	  This driver can also be built as a module. If so, the module
+	  will be called rtc-max8925.
+
 config RTC_DRV_RS5C372
 	tristate "Ricoh R2025S/D, RS5C372A/B, RV5C386, RV5C387A"
 	help
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index b7148afb8f55..44ef194a9573 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -52,6 +52,7 @@ obj-$(CONFIG_RTC_DRV_M48T59)	+= rtc-m48t59.o
 obj-$(CONFIG_RTC_DRV_M48T86)	+= rtc-m48t86.o
 obj-$(CONFIG_RTC_MXC)		+= rtc-mxc.o
 obj-$(CONFIG_RTC_DRV_MAX6900)	+= rtc-max6900.o
+obj-$(CONFIG_RTC_DRV_MAX8925)	+= rtc-max8925.o
 obj-$(CONFIG_RTC_DRV_MAX6902)	+= rtc-max6902.o
 obj-$(CONFIG_RTC_DRV_MC13783)	+= rtc-mc13783.o
 obj-$(CONFIG_RTC_DRV_MSM6242)	+= rtc-msm6242.o
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index be5a6b73e601..40845c7e9322 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -226,6 +226,7 @@ static void __exit rtc_exit(void)
 {
 	rtc_dev_exit();
 	class_destroy(rtc_class);
+	idr_destroy(&rtc_idr);
 }
 
 subsys_initcall(rtc_init);
diff --git a/drivers/rtc/hctosys.c b/drivers/rtc/hctosys.c
index 33c0e98243ee..bc90b091f195 100644
--- a/drivers/rtc/hctosys.c
+++ b/drivers/rtc/hctosys.c
@@ -22,48 +22,57 @@
  * the best guess is to add 0.5s.
  */
 
+int rtc_hctosys_ret = -ENODEV;
+
 static int __init rtc_hctosys(void)
 {
-	int err;
+	int err = -ENODEV;
 	struct rtc_time tm;
+	struct timespec tv = {
+		.tv_nsec = NSEC_PER_SEC >> 1,
+	};
 	struct rtc_device *rtc = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE);
 
 	if (rtc == NULL) {
-		printk("%s: unable to open rtc device (%s)\n",
+		pr_err("%s: unable to open rtc device (%s)\n",
 			__FILE__, CONFIG_RTC_HCTOSYS_DEVICE);
-		return -ENODEV;
+		goto err_open;
 	}
 
 	err = rtc_read_time(rtc, &tm);
-	if (err == 0) {
-		err = rtc_valid_tm(&tm);
-		if (err == 0) {
-			struct timespec tv;
+	if (err) {
+		dev_err(rtc->dev.parent,
+			"hctosys: unable to read the hardware clock\n");
+		goto err_read;
 
-			tv.tv_nsec = NSEC_PER_SEC >> 1;
+	}
 
-			rtc_tm_to_time(&tm, &tv.tv_sec);
+	err = rtc_valid_tm(&tm);
+	if (err) {
+		dev_err(rtc->dev.parent,
+			"hctosys: invalid date/time\n");
+		goto err_invalid;
+	}
 
-			do_settimeofday(&tv);
+	rtc_tm_to_time(&tm, &tv.tv_sec);
 
-			dev_info(rtc->dev.parent,
-				"setting system clock to "
-				"%d-%02d-%02d %02d:%02d:%02d UTC (%u)\n",
-				tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
-				tm.tm_hour, tm.tm_min, tm.tm_sec,
-				(unsigned int) tv.tv_sec);
-		}
-		else
-			dev_err(rtc->dev.parent,
-				"hctosys: invalid date/time\n");
-	}
-	else
-		dev_err(rtc->dev.parent,
-			"hctosys: unable to read the hardware clock\n");
+	do_settimeofday(&tv);
 
+	dev_info(rtc->dev.parent,
+		"setting system clock to "
+		"%d-%02d-%02d %02d:%02d:%02d UTC (%u)\n",
+		tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
+		tm.tm_hour, tm.tm_min, tm.tm_sec,
+		(unsigned int) tv.tv_sec);
+
+err_invalid:
+err_read:
 	rtc_class_close(rtc);
 
-	return 0;
+err_open:
+	rtc_hctosys_ret = err;
+
+	return err;
 }
 
 late_initcall(rtc_hctosys);
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 86c61f143515..78a018b5c941 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -161,7 +161,7 @@ static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
 	if (offset == 0)
 		return -EILSEQ;
 
-	memset(alrm, 0, sizeof(alrm));
+	memset(alrm, 0, sizeof(*alrm));
 	if (alarm != ALARM_DISABLED && offset != 0) {
 		rtc_time_to_tm(offset + alarm, tm);
 
diff --git a/drivers/rtc/rtc-coh901331.c b/drivers/rtc/rtc-coh901331.c
index 03ea530981d1..44c4399ee714 100644
--- a/drivers/rtc/rtc-coh901331.c
+++ b/drivers/rtc/rtc-coh901331.c
@@ -271,12 +271,13 @@ static int coh901331_resume(struct platform_device *pdev)
 {
 	struct coh901331_port *rtap = dev_get_drvdata(&pdev->dev);
 
-	if (device_may_wakeup(&pdev->dev))
+	if (device_may_wakeup(&pdev->dev)) {
 		disable_irq_wake(rtap->irq);
-	else
+	} else {
 		clk_enable(rtap->clk);
 		writel(rtap->irqmaskstore, rtap->virtbase + COH901331_IRQ_MASK);
 		clk_disable(rtap->clk);
+	}
 	return 0;
 }
 #else
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index a1273360a44e..cad9ceb89baf 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -184,6 +184,7 @@ static int __devinit ds1742_rtc_probe(struct platform_device *pdev)
 	pdata->size_nvram = pdata->size - RTC_SIZE;
 	pdata->ioaddr_rtc = ioaddr + pdata->size_nvram;
 
+	sysfs_bin_attr_init(&pdata->nvram_attr);
 	pdata->nvram_attr.attr.name = "nvram";
 	pdata->nvram_attr.attr.mode = S_IRUGO | S_IWUSR;
 	pdata->nvram_attr.read = ds1742_nvram_read;
diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c
index 9da02d108b73..91bde976bc0f 100644
--- a/drivers/rtc/rtc-ep93xx.c
+++ b/drivers/rtc/rtc-ep93xx.c
@@ -115,6 +115,15 @@ static ssize_t ep93xx_rtc_show_comp_delete(struct device *dev,
 }
 static DEVICE_ATTR(comp_delete, S_IRUGO, ep93xx_rtc_show_comp_delete, NULL);
 
+static struct attribute *ep93xx_rtc_attrs[] = {
+	&dev_attr_comp_preload.attr,
+	&dev_attr_comp_delete.attr,
+	NULL
+};
+
+static const struct attribute_group ep93xx_rtc_sysfs_files = {
+	.attrs	= ep93xx_rtc_attrs,
+};
 
 static int __init ep93xx_rtc_probe(struct platform_device *pdev)
 {
@@ -123,27 +132,22 @@ static int __init ep93xx_rtc_probe(struct platform_device *pdev)
 	struct rtc_device *rtc;
 	int err;
 
-	ep93xx_rtc = kzalloc(sizeof(struct ep93xx_rtc), GFP_KERNEL);
-	if (ep93xx_rtc == NULL)
+	ep93xx_rtc = devm_kzalloc(&pdev->dev, sizeof(*ep93xx_rtc), GFP_KERNEL);
+	if (!ep93xx_rtc)
 		return -ENOMEM;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (res == NULL) {
-		err = -ENXIO;
-		goto fail_free;
-	}
+	if (!res)
+		return -ENXIO;
 
-	res = request_mem_region(res->start, resource_size(res), pdev->name);
-	if (res == NULL) {
-		err = -EBUSY;
-		goto fail_free;
-	}
+	if (!devm_request_mem_region(&pdev->dev, res->start,
+				     resource_size(res), pdev->name))
+		return -EBUSY;
 
-	ep93xx_rtc->mmio_base = ioremap(res->start, resource_size(res));
-	if (ep93xx_rtc->mmio_base == NULL) {
-		err = -ENXIO;
-		goto fail;
-	}
+	ep93xx_rtc->mmio_base = devm_ioremap(&pdev->dev, res->start,
+					     resource_size(res));
+	if (!ep93xx_rtc->mmio_base)
+		return -ENXIO;
 
 	pdev->dev.platform_data = ep93xx_rtc;
 
@@ -151,53 +155,34 @@ static int __init ep93xx_rtc_probe(struct platform_device *pdev)
 				&pdev->dev, &ep93xx_rtc_ops, THIS_MODULE);
 	if (IS_ERR(rtc)) {
 		err = PTR_ERR(rtc);
-		goto fail;
+		goto exit;
 	}
 
 	platform_set_drvdata(pdev, rtc);
 
-	err = device_create_file(&pdev->dev, &dev_attr_comp_preload);
+	err = sysfs_create_group(&pdev->dev.kobj, &ep93xx_rtc_sysfs_files);
 	if (err)
 		goto fail;
-	err = device_create_file(&pdev->dev, &dev_attr_comp_delete);
-	if (err) {
-		device_remove_file(&pdev->dev, &dev_attr_comp_preload);
-		goto fail;
-	}
 
 	return 0;
 
 fail:
-	if (ep93xx_rtc->mmio_base) {
-		iounmap(ep93xx_rtc->mmio_base);
-		pdev->dev.platform_data = NULL;
-	}
-	release_mem_region(res->start, resource_size(res));
-fail_free:
-	kfree(ep93xx_rtc);
+	platform_set_drvdata(pdev, NULL);
+	rtc_device_unregister(rtc);
+exit:
+	pdev->dev.platform_data = NULL;
 	return err;
 }
 
 static int __exit ep93xx_rtc_remove(struct platform_device *pdev)
 {
 	struct rtc_device *rtc = platform_get_drvdata(pdev);
-	struct ep93xx_rtc *ep93xx_rtc = pdev->dev.platform_data;
-	struct resource *res;
-
-	/* cleanup sysfs */
-	device_remove_file(&pdev->dev, &dev_attr_comp_delete);
-	device_remove_file(&pdev->dev, &dev_attr_comp_preload);
 
+	sysfs_remove_group(&pdev->dev.kobj, &ep93xx_rtc_sysfs_files);
+	platform_set_drvdata(pdev, NULL);
 	rtc_device_unregister(rtc);
-
-	iounmap(ep93xx_rtc->mmio_base);
 	pdev->dev.platform_data = NULL;
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	release_mem_region(res->start, resource_size(res));
-
-	platform_set_drvdata(pdev, NULL);
-
 	return 0;
 }
 
diff --git a/drivers/rtc/rtc-max8925.c b/drivers/rtc/rtc-max8925.c
new file mode 100644
index 000000000000..acdbb1760187
--- /dev/null
+++ b/drivers/rtc/rtc-max8925.c
@@ -0,0 +1,314 @@
+/*
+ * RTC driver for Maxim MAX8925
+ *
+ * Copyright (C) 2009-2010 Marvell International Ltd.
+ *	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/rtc.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/max8925.h>
+
+enum {
+	RTC_SEC = 0,
+	RTC_MIN,
+	RTC_HOUR,
+	RTC_WEEKDAY,
+	RTC_DATE,
+	RTC_MONTH,
+	RTC_YEAR1,
+	RTC_YEAR2,
+};
+
+#define MAX8925_RTC_SEC			0x00
+#define MAX8925_RTC_MIN			0x01
+#define MAX8925_RTC_HOUR		0x02
+#define MAX8925_RTC_WEEKDAY		0x03
+#define MAX8925_RTC_DATE		0x04
+#define MAX8925_RTC_MONTH		0x05
+#define MAX8925_RTC_YEAR1		0x06
+#define MAX8925_RTC_YEAR2		0x07
+#define MAX8925_ALARM0_SEC		0x08
+#define MAX8925_ALARM0_MIN		0x09
+#define MAX8925_ALARM0_HOUR		0x0a
+#define MAX8925_ALARM0_WEEKDAY		0x0b
+#define MAX8925_ALARM0_DATE		0x0c
+#define MAX8925_ALARM0_MON		0x0d
+#define MAX8925_ALARM0_YEAR1		0x0e
+#define MAX8925_ALARM0_YEAR2		0x0f
+#define MAX8925_ALARM1_SEC		0x10
+#define MAX8925_ALARM1_MIN		0x11
+#define MAX8925_ALARM1_HOUR		0x12
+#define MAX8925_ALARM1_WEEKDAY		0x13
+#define MAX8925_ALARM1_DATE		0x14
+#define MAX8925_ALARM1_MON		0x15
+#define MAX8925_ALARM1_YEAR1		0x16
+#define MAX8925_ALARM1_YEAR2		0x17
+#define MAX8925_RTC_CNTL		0x1b
+#define MAX8925_RTC_STATUS		0x20
+
+#define TIME_NUM			8
+#define ALARM_1SEC			(1 << 7)
+#define HOUR_12				(1 << 7)
+#define HOUR_AM_PM			(1 << 5)
+#define ALARM0_IRQ			(1 << 3)
+#define ALARM1_IRQ			(1 << 2)
+#define ALARM0_STATUS			(1 << 2)
+#define ALARM1_STATUS			(1 << 1)
+
+
+struct max8925_rtc_info {
+	struct rtc_device	*rtc_dev;
+	struct max8925_chip	*chip;
+	struct i2c_client	*rtc;
+	struct device		*dev;
+};
+
+static irqreturn_t rtc_update_handler(int irq, void *data)
+{
+	struct max8925_rtc_info *info = (struct max8925_rtc_info *)data;
+
+	/* disable ALARM0 except for 1SEC alarm */
+	max8925_set_bits(info->rtc, MAX8925_ALARM0_CNTL, 0x7f, 0);
+	rtc_update_irq(info->rtc_dev, 1, RTC_IRQF | RTC_AF);
+	return IRQ_HANDLED;
+}
+
+static int tm_calc(struct rtc_time *tm, unsigned char *buf, int len)
+{
+	if (len < TIME_NUM)
+		return -EINVAL;
+	tm->tm_year = (buf[RTC_YEAR2] >> 4) * 1000
+			+ (buf[RTC_YEAR2] & 0xf) * 100
+			+ (buf[RTC_YEAR1] >> 4) * 10
+			+ (buf[RTC_YEAR1] & 0xf);
+	tm->tm_year -= 1900;
+	tm->tm_mon = ((buf[RTC_MONTH] >> 4) & 0x01) * 10
+			+ (buf[RTC_MONTH] & 0x0f);
+	tm->tm_mday = ((buf[RTC_DATE] >> 4) & 0x03) * 10
+			+ (buf[RTC_DATE] & 0x0f);
+	tm->tm_wday = buf[RTC_WEEKDAY] & 0x07;
+	if (buf[RTC_HOUR] & HOUR_12) {
+		tm->tm_hour = ((buf[RTC_HOUR] >> 4) & 0x1) * 10
+				+ (buf[RTC_HOUR] & 0x0f);
+		if (buf[RTC_HOUR] & HOUR_AM_PM)
+			tm->tm_hour += 12;
+	} else
+		tm->tm_hour = ((buf[RTC_HOUR] >> 4) & 0x03) * 10
+				+ (buf[RTC_HOUR] & 0x0f);
+	tm->tm_min = ((buf[RTC_MIN] >> 4) & 0x7) * 10
+			+ (buf[RTC_MIN] & 0x0f);
+	tm->tm_sec = ((buf[RTC_SEC] >> 4) & 0x7) * 10
+			+ (buf[RTC_SEC] & 0x0f);
+	return 0;
+}
+
+static int data_calc(unsigned char *buf, struct rtc_time *tm, int len)
+{
+	unsigned char high, low;
+
+	if (len < TIME_NUM)
+		return -EINVAL;
+
+	high = (tm->tm_year + 1900) / 1000;
+	low = (tm->tm_year + 1900) / 100;
+	low = low - high * 10;
+	buf[RTC_YEAR2] = (high << 4) + low;
+	high = (tm->tm_year + 1900) / 10;
+	low = tm->tm_year + 1900;
+	low = low - high * 10;
+	high = high - (high / 10) * 10;
+	buf[RTC_YEAR1] = (high << 4) + low;
+	high = tm->tm_mon / 10;
+	low = tm->tm_mon;
+	low = low - high * 10;
+	buf[RTC_MONTH] = (high << 4) + low;
+	high = tm->tm_mday / 10;
+	low = tm->tm_mday;
+	low = low - high * 10;
+	buf[RTC_DATE] = (high << 4) + low;
+	buf[RTC_WEEKDAY] = tm->tm_wday;
+	high = tm->tm_hour / 10;
+	low = tm->tm_hour;
+	low = low - high * 10;
+	buf[RTC_HOUR] = (high << 4) + low;
+	high = tm->tm_min / 10;
+	low = tm->tm_min;
+	low = low - high * 10;
+	buf[RTC_MIN] = (high << 4) + low;
+	high = tm->tm_sec / 10;
+	low = tm->tm_sec;
+	low = low - high * 10;
+	buf[RTC_SEC] = (high << 4) + low;
+	return 0;
+}
+
+static int max8925_rtc_read_time(struct device *dev, struct rtc_time *tm)
+{
+	struct max8925_rtc_info *info = dev_get_drvdata(dev);
+	unsigned char buf[TIME_NUM];
+	int ret;
+
+	ret = max8925_bulk_read(info->rtc, MAX8925_RTC_SEC, TIME_NUM, buf);
+	if (ret < 0)
+		goto out;
+	ret = tm_calc(tm, buf, TIME_NUM);
+out:
+	return ret;
+}
+
+static int max8925_rtc_set_time(struct device *dev, struct rtc_time *tm)
+{
+	struct max8925_rtc_info *info = dev_get_drvdata(dev);
+	unsigned char buf[TIME_NUM];
+	int ret;
+
+	ret = data_calc(buf, tm, TIME_NUM);
+	if (ret < 0)
+		goto out;
+	ret = max8925_bulk_write(info->rtc, MAX8925_RTC_SEC, TIME_NUM, buf);
+out:
+	return ret;
+}
+
+static int max8925_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct max8925_rtc_info *info = dev_get_drvdata(dev);
+	unsigned char buf[TIME_NUM];
+	int ret;
+
+	ret = max8925_bulk_read(info->rtc, MAX8925_ALARM0_SEC, TIME_NUM, buf);
+	if (ret < 0)
+		goto out;
+	ret = tm_calc(&alrm->time, buf, TIME_NUM);
+	if (ret < 0)
+		goto out;
+	ret = max8925_reg_read(info->rtc, MAX8925_RTC_IRQ_MASK);
+	if (ret < 0)
+		goto out;
+	if ((ret & ALARM0_IRQ) == 0)
+		alrm->enabled = 1;
+	else
+		alrm->enabled = 0;
+	ret = max8925_reg_read(info->rtc, MAX8925_RTC_STATUS);
+	if (ret < 0)
+		goto out;
+	if (ret & ALARM0_STATUS)
+		alrm->pending = 1;
+	else
+		alrm->pending = 0;
+out:
+	return ret;
+}
+
+static int max8925_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct max8925_rtc_info *info = dev_get_drvdata(dev);
+	unsigned char buf[TIME_NUM];
+	int ret;
+
+	ret = data_calc(buf, &alrm->time, TIME_NUM);
+	if (ret < 0)
+		goto out;
+	ret = max8925_bulk_write(info->rtc, MAX8925_ALARM0_SEC, TIME_NUM, buf);
+	if (ret < 0)
+		goto out;
+	/* only enable alarm on year/month/day/hour/min/sec */
+	ret = max8925_reg_write(info->rtc, MAX8925_ALARM0_CNTL, 0x77);
+	if (ret < 0)
+		goto out;
+out:
+	return ret;
+}
+
+static const struct rtc_class_ops max8925_rtc_ops = {
+	.read_time	= max8925_rtc_read_time,
+	.set_time	= max8925_rtc_set_time,
+	.read_alarm	= max8925_rtc_read_alarm,
+	.set_alarm	= max8925_rtc_set_alarm,
+};
+
+static int __devinit max8925_rtc_probe(struct platform_device *pdev)
+{
+	struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
+	struct max8925_rtc_info *info;
+	int irq, ret;
+
+	info = kzalloc(sizeof(struct max8925_rtc_info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+	info->chip = chip;
+	info->rtc = chip->rtc;
+	info->dev = &pdev->dev;
+	irq = chip->irq_base + MAX8925_IRQ_RTC_ALARM0;
+
+	ret = request_threaded_irq(irq, NULL, rtc_update_handler,
+				   IRQF_ONESHOT, "rtc-alarm0", info);
+	if (ret < 0) {
+		dev_err(chip->dev, "Failed to request IRQ: #%d: %d\n",
+			irq, ret);
+		goto out_irq;
+	}
+
+	info->rtc_dev = rtc_device_register("max8925-rtc", &pdev->dev,
+					&max8925_rtc_ops, THIS_MODULE);
+	ret = PTR_ERR(info->rtc_dev);
+	if (IS_ERR(info->rtc_dev)) {
+		dev_err(&pdev->dev, "Failed to register RTC device: %d\n", ret);
+		goto out_rtc;
+	}
+
+	dev_set_drvdata(&pdev->dev, info);
+	platform_set_drvdata(pdev, info);
+
+	return 0;
+out_rtc:
+	free_irq(chip->irq_base + MAX8925_IRQ_RTC_ALARM0, info);
+out_irq:
+	kfree(info);
+	return ret;
+}
+
+static int __devexit max8925_rtc_remove(struct platform_device *pdev)
+{
+	struct max8925_rtc_info *info = platform_get_drvdata(pdev);
+
+	if (info) {
+		free_irq(info->chip->irq_base + MAX8925_IRQ_RTC_ALARM0, info);
+		rtc_device_unregister(info->rtc_dev);
+		kfree(info);
+	}
+	return 0;
+}
+
+static struct platform_driver max8925_rtc_driver = {
+	.driver		= {
+		.name	= "max8925-rtc",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= max8925_rtc_probe,
+	.remove		= __devexit_p(max8925_rtc_remove),
+};
+
+static int __init max8925_rtc_init(void)
+{
+	return platform_driver_register(&max8925_rtc_driver);
+}
+module_init(max8925_rtc_init);
+
+static void __exit max8925_rtc_exit(void)
+{
+	platform_driver_unregister(&max8925_rtc_driver);
+}
+module_exit(max8925_rtc_exit);
+
+MODULE_DESCRIPTION("Maxim MAX8925 RTC driver");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");
+
diff --git a/drivers/rtc/rtc-mc13783.c b/drivers/rtc/rtc-mc13783.c
index 850f983c039c..1379c7faa448 100644
--- a/drivers/rtc/rtc-mc13783.c
+++ b/drivers/rtc/rtc-mc13783.c
@@ -28,6 +28,34 @@ struct mc13783_rtc {
 	int valid;
 };
 
+static int mc13783_rtc_irq_enable_unlocked(struct device *dev,
+		unsigned int enabled, int irq)
+{
+	struct mc13783_rtc *priv = dev_get_drvdata(dev);
+	int (*func)(struct mc13783 *mc13783, int irq);
+
+	if (!priv->valid)
+		return -ENODATA;
+
+	func = enabled ? mc13783_irq_unmask : mc13783_irq_mask;
+	return func(priv->mc13783, irq);
+}
+
+static int mc13783_rtc_irq_enable(struct device *dev,
+		unsigned int enabled, int irq)
+{
+	struct mc13783_rtc *priv = dev_get_drvdata(dev);
+	int ret;
+
+	mc13783_lock(priv->mc13783);
+
+	ret = mc13783_rtc_irq_enable_unlocked(dev, enabled, irq);
+
+	mc13783_unlock(priv->mc13783);
+
+	return ret;
+}
+
 static int mc13783_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
 	struct mc13783_rtc *priv = dev_get_drvdata(dev);
@@ -78,6 +106,7 @@ static int mc13783_rtc_set_mmss(struct device *dev, unsigned long secs)
 {
 	struct mc13783_rtc *priv = dev_get_drvdata(dev);
 	unsigned int seconds, days;
+	unsigned int alarmseconds;
 	int ret;
 
 	seconds = secs % 86400;
@@ -86,7 +115,22 @@ static int mc13783_rtc_set_mmss(struct device *dev, unsigned long secs)
 	mc13783_lock(priv->mc13783);
 
 	/*
-	 * first write seconds=0 to prevent a day switch between writing days
+	 * temporarily invalidate alarm to prevent triggering it when the day is
+	 * already updated while the time isn't yet.
+	 */
+	ret = mc13783_reg_read(priv->mc13783, MC13783_RTCTODA, &alarmseconds);
+	if (unlikely(ret))
+		goto out;
+
+	if (alarmseconds < 86400) {
+		ret = mc13783_reg_write(priv->mc13783,
+				MC13783_RTCTODA, 0x1ffff);
+		if (unlikely(ret))
+			goto out;
+	}
+
+	/*
+	 * write seconds=0 to prevent a day switch between writing days
 	 * and seconds below
 	 */
 	ret = mc13783_reg_write(priv->mc13783, MC13783_RTCTOD, 0);
@@ -101,11 +145,19 @@ static int mc13783_rtc_set_mmss(struct device *dev, unsigned long secs)
 	if (unlikely(ret))
 		goto out;
 
-	ret = mc13783_ackirq(priv->mc13783, MC13783_IRQ_RTCRST);
+	/* restore alarm */
+	if (alarmseconds < 86400) {
+		ret = mc13783_reg_write(priv->mc13783,
+				MC13783_RTCTODA, alarmseconds);
+		if (unlikely(ret))
+			goto out;
+	}
+
+	ret = mc13783_irq_ack(priv->mc13783, MC13783_IRQ_RTCRST);
 	if (unlikely(ret))
 		goto out;
 
-	ret = mc13783_unmask(priv->mc13783, MC13783_IRQ_RTCRST);
+	ret = mc13783_irq_unmask(priv->mc13783, MC13783_IRQ_RTCRST);
 out:
 	priv->valid = !ret;
 
@@ -114,41 +166,139 @@ out:
 	return ret;
 }
 
-static irqreturn_t mc13783_rtc_update_handler(int irq, void *dev)
+static int mc13783_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 {
-	struct mc13783_rtc *priv = dev;
-	struct mc13783 *mc13783 = priv->mc13783;
+	struct mc13783_rtc *priv = dev_get_drvdata(dev);
+	unsigned seconds, days;
+	unsigned long s1970;
+	int enabled, pending;
+	int ret;
 
-	dev_dbg(&priv->rtc->dev, "1HZ\n");
+	mc13783_lock(priv->mc13783);
 
-	rtc_update_irq(priv->rtc, 1, RTC_IRQF | RTC_UF);
+	ret = mc13783_reg_read(priv->mc13783, MC13783_RTCTODA, &seconds);
+	if (unlikely(ret))
+		goto out;
+	if (seconds >= 86400) {
+		ret = -ENODATA;
+		goto out;
+	}
+
+	ret = mc13783_reg_read(priv->mc13783, MC13783_RTCDAY, &days);
+	if (unlikely(ret))
+		goto out;
 
-	mc13783_ackirq(mc13783, irq);
+	ret = mc13783_irq_status(priv->mc13783, MC13783_IRQ_TODA,
+			&enabled, &pending);
 
-	return IRQ_HANDLED;
+out:
+	mc13783_unlock(priv->mc13783);
+
+	if (ret)
+		return ret;
+
+	alarm->enabled = enabled;
+	alarm->pending = pending;
+
+	s1970 = days * 86400 + seconds;
+
+	rtc_time_to_tm(s1970, &alarm->time);
+	dev_dbg(dev, "%s: %lu\n", __func__, s1970);
+
+	return 0;
 }
 
-static int mc13783_rtc_update_irq_enable(struct device *dev,
-		unsigned int enabled)
+static int mc13783_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 {
 	struct mc13783_rtc *priv = dev_get_drvdata(dev);
-	int ret = -ENODATA;
+	unsigned long s1970;
+	unsigned seconds, days;
+	int ret;
 
 	mc13783_lock(priv->mc13783);
-	if (!priv->valid)
+
+	/* disable alarm to prevent false triggering */
+	ret = mc13783_reg_write(priv->mc13783, MC13783_RTCTODA, 0x1ffff);
+	if (unlikely(ret))
 		goto out;
 
-	ret = (enabled ? mc13783_unmask : mc13783_mask)(priv->mc13783,
-			MC13783_IRQ_1HZ);
+	ret = mc13783_irq_ack(priv->mc13783, MC13783_IRQ_TODA);
+	if (unlikely(ret))
+		goto out;
+
+	ret = rtc_tm_to_time(&alarm->time, &s1970);
+	if (unlikely(ret))
+		goto out;
+
+	dev_dbg(dev, "%s: o%2.s %lu\n", __func__, alarm->enabled ? "n" : "ff",
+			s1970);
+
+	ret = mc13783_rtc_irq_enable_unlocked(dev, alarm->enabled,
+			MC13783_IRQ_TODA);
+	if (unlikely(ret))
+		goto out;
+
+	seconds = s1970 % 86400;
+	days = s1970 / 86400;
+
+	ret = mc13783_reg_write(priv->mc13783, MC13783_RTCDAYA, days);
+	if (unlikely(ret))
+		goto out;
+
+	ret = mc13783_reg_write(priv->mc13783, MC13783_RTCTODA, seconds);
+
 out:
 	mc13783_unlock(priv->mc13783);
 
 	return ret;
 }
 
+static irqreturn_t mc13783_rtc_alarm_handler(int irq, void *dev)
+{
+	struct mc13783_rtc *priv = dev;
+	struct mc13783 *mc13783 = priv->mc13783;
+
+	dev_dbg(&priv->rtc->dev, "Alarm\n");
+
+	rtc_update_irq(priv->rtc, 1, RTC_IRQF | RTC_AF);
+
+	mc13783_irq_ack(mc13783, irq);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t mc13783_rtc_update_handler(int irq, void *dev)
+{
+	struct mc13783_rtc *priv = dev;
+	struct mc13783 *mc13783 = priv->mc13783;
+
+	dev_dbg(&priv->rtc->dev, "1HZ\n");
+
+	rtc_update_irq(priv->rtc, 1, RTC_IRQF | RTC_UF);
+
+	mc13783_irq_ack(mc13783, irq);
+
+	return IRQ_HANDLED;
+}
+
+static int mc13783_rtc_update_irq_enable(struct device *dev,
+		unsigned int enabled)
+{
+	return mc13783_rtc_irq_enable(dev, enabled, MC13783_IRQ_1HZ);
+}
+
+static int mc13783_rtc_alarm_irq_enable(struct device *dev,
+		unsigned int enabled)
+{
+	return mc13783_rtc_irq_enable(dev, enabled, MC13783_IRQ_TODA);
+}
+
 static const struct rtc_class_ops mc13783_rtc_ops = {
 	.read_time = mc13783_rtc_read_time,
 	.set_mmss = mc13783_rtc_set_mmss,
+	.read_alarm = mc13783_rtc_read_alarm,
+	.set_alarm = mc13783_rtc_set_alarm,
+	.alarm_irq_enable = mc13783_rtc_alarm_irq_enable,
 	.update_irq_enable = mc13783_rtc_update_irq_enable,
 };
 
@@ -160,7 +310,7 @@ static irqreturn_t mc13783_rtc_reset_handler(int irq, void *dev)
 	dev_dbg(&priv->rtc->dev, "RTCRST\n");
 	priv->valid = 0;
 
-	mc13783_mask(mc13783, irq);
+	mc13783_irq_mask(mc13783, irq);
 
 	return IRQ_HANDLED;
 }
@@ -169,50 +319,64 @@ static int __devinit mc13783_rtc_probe(struct platform_device *pdev)
 {
 	int ret;
 	struct mc13783_rtc *priv;
+	struct mc13783 *mc13783;
+	int rtcrst_pending;
 
 	priv = kzalloc(sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
-	priv->mc13783 = dev_get_drvdata(pdev->dev.parent);
-	platform_set_drvdata(pdev, priv);
+	mc13783 = dev_get_drvdata(pdev->dev.parent);
+	priv->mc13783 = mc13783;
 
-	priv->valid = 1;
+	platform_set_drvdata(pdev, priv);
 
-	mc13783_lock(priv->mc13783);
+	mc13783_lock(mc13783);
 
-	ret = mc13783_irq_request(priv->mc13783, MC13783_IRQ_RTCRST,
+	ret = mc13783_irq_request(mc13783, MC13783_IRQ_RTCRST,
 			mc13783_rtc_reset_handler, DRIVER_NAME, priv);
 	if (ret)
 		goto err_reset_irq_request;
 
-	ret = mc13783_irq_request_nounmask(priv->mc13783, MC13783_IRQ_1HZ,
+	ret = mc13783_irq_status(mc13783, MC13783_IRQ_RTCRST,
+			NULL, &rtcrst_pending);
+	if (ret)
+		goto err_reset_irq_status;
+
+	priv->valid = !rtcrst_pending;
+
+	ret = mc13783_irq_request_nounmask(mc13783, MC13783_IRQ_1HZ,
 			mc13783_rtc_update_handler, DRIVER_NAME, priv);
 	if (ret)
 		goto err_update_irq_request;
 
-	mc13783_unlock(priv->mc13783);
+	ret = mc13783_irq_request_nounmask(mc13783, MC13783_IRQ_TODA,
+			mc13783_rtc_alarm_handler, DRIVER_NAME, priv);
+	if (ret)
+		goto err_alarm_irq_request;
 
 	priv->rtc = rtc_device_register(pdev->name,
 			&pdev->dev, &mc13783_rtc_ops, THIS_MODULE);
-
 	if (IS_ERR(priv->rtc)) {
 		ret = PTR_ERR(priv->rtc);
 
-		mc13783_lock(priv->mc13783);
+		mc13783_irq_free(mc13783, MC13783_IRQ_TODA, priv);
+err_alarm_irq_request:
 
-		mc13783_irq_free(priv->mc13783, MC13783_IRQ_1HZ, priv);
+		mc13783_irq_free(mc13783, MC13783_IRQ_1HZ, priv);
 err_update_irq_request:
 
-		mc13783_irq_free(priv->mc13783, MC13783_IRQ_RTCRST, priv);
-err_reset_irq_request:
+err_reset_irq_status:
 
-		mc13783_unlock(priv->mc13783);
+		mc13783_irq_free(mc13783, MC13783_IRQ_RTCRST, priv);
+err_reset_irq_request:
 
 		platform_set_drvdata(pdev, NULL);
 		kfree(priv);
 	}
 
+	mc13783_unlock(mc13783);
+
 	return ret;
 }
 
@@ -220,10 +384,11 @@ static int __devexit mc13783_rtc_remove(struct platform_device *pdev)
 {
 	struct mc13783_rtc *priv = platform_get_drvdata(pdev);
 
-	rtc_device_unregister(priv->rtc);
-
 	mc13783_lock(priv->mc13783);
 
+	rtc_device_unregister(priv->rtc);
+
+	mc13783_irq_free(priv->mc13783, MC13783_IRQ_TODA, priv);
 	mc13783_irq_free(priv->mc13783, MC13783_IRQ_1HZ, priv);
 	mc13783_irq_free(priv->mc13783, MC13783_IRQ_RTCRST, priv);
 
diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index 6bd5072d4eb7..8710f9415d98 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -396,8 +396,11 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
 	pdata->ioaddr = ioremap(res->start, resource_size(res));
 
 	clk = clk_get(&pdev->dev, "ckil");
-	if (IS_ERR(clk))
-		return PTR_ERR(clk);
+	if (IS_ERR(clk)) {
+		iounmap(pdata->ioaddr);
+		ret = PTR_ERR(clk);
+		goto exit_free_pdata;
+	}
 
 	rate = clk_get_rate(clk);
 	clk_put(clk);
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c
index e75df9d50e27..2ceb365533b2 100644
--- a/drivers/rtc/rtc-pcf2123.c
+++ b/drivers/rtc/rtc-pcf2123.c
@@ -315,7 +315,7 @@ kfree_exit:
 	return ret;
 }
 
-static int pcf2123_remove(struct spi_device *spi)
+static int __devexit pcf2123_remove(struct spi_device *spi)
 {
 	struct pcf2123_plat_data *pdata = spi->dev.platform_data;
 	int i;
diff --git a/drivers/rtc/rtc-sysfs.c b/drivers/rtc/rtc-sysfs.c
index 7dd23a6fc825..380083ca572f 100644
--- a/drivers/rtc/rtc-sysfs.c
+++ b/drivers/rtc/rtc-sysfs.c
@@ -107,8 +107,9 @@ rtc_sysfs_show_hctosys(struct device *dev, struct device_attribute *attr,
 		char *buf)
 {
 #ifdef CONFIG_RTC_HCTOSYS_DEVICE
-	if (strcmp(dev_name(&to_rtc_device(dev)->dev),
-		   CONFIG_RTC_HCTOSYS_DEVICE) == 0)
+	if (rtc_hctosys_ret == 0 &&
+			strcmp(dev_name(&to_rtc_device(dev)->dev),
+				CONFIG_RTC_HCTOSYS_DEVICE) == 0)
 		return sprintf(buf, "1\n");
 	else
 #endif
diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index c6a83a2a722c..ed1b86828124 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -57,7 +57,7 @@ enum {
 	REG_RTC_COMP_LSB_REG,
 	REG_RTC_COMP_MSB_REG,
 };
-const static u8 twl4030_rtc_reg_map[] = {
+static const u8 twl4030_rtc_reg_map[] = {
 	[REG_SECONDS_REG] = 0x00,
 	[REG_MINUTES_REG] = 0x01,
 	[REG_HOURS_REG] = 0x02,
@@ -80,7 +80,7 @@ const static u8 twl4030_rtc_reg_map[] = {
 	[REG_RTC_COMP_LSB_REG] = 0x10,
 	[REG_RTC_COMP_MSB_REG] = 0x11,
 };
-const static u8 twl6030_rtc_reg_map[] = {
+static const u8 twl6030_rtc_reg_map[] = {
 	[REG_SECONDS_REG] = 0x00,
 	[REG_MINUTES_REG] = 0x01,
 	[REG_HOURS_REG] = 0x02,
diff --git a/drivers/rtc/rtc-wm8350.c b/drivers/rtc/rtc-wm8350.c
index f1e440521c54..3d0dc76b38af 100644
--- a/drivers/rtc/rtc-wm8350.c
+++ b/drivers/rtc/rtc-wm8350.c
@@ -307,11 +307,18 @@ static int wm8350_rtc_update_irq_enable(struct device *dev,
 {
 	struct wm8350 *wm8350 = dev_get_drvdata(dev);
 
+	/* Suppress duplicate changes since genirq nests enable and
+	 * disable calls. */
+	if (enabled == wm8350->rtc.update_enabled)
+		return 0;
+
 	if (enabled)
 		wm8350_unmask_irq(wm8350, WM8350_IRQ_RTC_SEC);
 	else
 		wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_SEC);
 
+	wm8350->rtc.update_enabled = enabled;
+
 	return 0;
 }
 
@@ -478,8 +485,8 @@ static int __devexit wm8350_rtc_remove(struct platform_device *pdev)
 	struct wm8350 *wm8350 = platform_get_drvdata(pdev);
 	struct wm8350_rtc *wm_rtc = &wm8350->rtc;
 
-	wm8350_free_irq(wm8350, WM8350_IRQ_RTC_SEC);
-	wm8350_free_irq(wm8350, WM8350_IRQ_RTC_ALM);
+	wm8350_free_irq(wm8350, WM8350_IRQ_RTC_SEC, wm8350);
+	wm8350_free_irq(wm8350, WM8350_IRQ_RTC_ALM, wm8350);
 
 	rtc_device_unregister(wm_rtc->rtc);
 
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index 4951aa82e9f5..bbea90baf98f 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -26,6 +26,7 @@
 #include <asm/ebcdic.h>
 #include <asm/idals.h>
 #include <asm/itcw.h>
+#include <asm/diag.h>
 
 /* This is ugly... */
 #define PRINTK_HEADER "dasd:"
@@ -2212,6 +2213,13 @@ static int dasd_open(struct block_device *bdev, fmode_t mode)
 		goto out;
 	}
 
+	if ((mode & FMODE_WRITE) &&
+	    (test_bit(DASD_FLAG_DEVICE_RO, &base->flags) ||
+	     (base->features & DASD_FEATURE_READONLY))) {
+		rc = -EROFS;
+		goto out;
+	}
+
 	return 0;
 
 out:
@@ -2289,6 +2297,34 @@ dasd_exit(void)
  * SECTION: common functions for ccw_driver use
  */
 
+/*
+ * Is the device read-only?
+ * Note that this function does not report the setting of the
+ * readonly device attribute, but how it is configured in z/VM.
+ */
+int dasd_device_is_ro(struct dasd_device *device)
+{
+	struct ccw_dev_id dev_id;
+	struct diag210 diag_data;
+	int rc;
+
+	if (!MACHINE_IS_VM)
+		return 0;
+	ccw_device_get_id(device->cdev, &dev_id);
+	memset(&diag_data, 0, sizeof(diag_data));
+	diag_data.vrdcdvno = dev_id.devno;
+	diag_data.vrdclen = sizeof(diag_data);
+	rc = diag210(&diag_data);
+	if (rc == 0 || rc == 2) {
+		return diag_data.vrdcvfla & 0x80;
+	} else {
+		DBF_EVENT(DBF_WARNING, "diag210 failed for dev=%04x with rc=%d",
+			  dev_id.devno, rc);
+		return 0;
+	}
+}
+EXPORT_SYMBOL_GPL(dasd_device_is_ro);
+
 static void dasd_generic_auto_online(void *data, async_cookie_t cookie)
 {
 	struct ccw_device *cdev = data;
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index 44796ba4eb9b..b3736b8aad39 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -1045,6 +1045,10 @@ dasd_3990_erp_com_rej(struct dasd_ccw_req * erp, char *sense)
 
 		erp->retries = 5;
 
+	} else if (sense[1] & SNS1_WRITE_INHIBITED) {
+		dev_err(&device->cdev->dev, "An I/O request was rejected"
+			" because writing is inhibited\n");
+		erp = dasd_3990_erp_cleanup(erp, DASD_CQR_FAILED);
 	} else {
 		/* fatal error -  set status to FAILED
 		   internal error 09 - Command Reject */
@@ -2283,7 +2287,8 @@ static struct dasd_ccw_req *dasd_3990_erp_add_erp(struct dasd_ccw_req *cqr)
 
 	if (cqr->cpmode == 1) {
 		cplength = 0;
-		datasize = sizeof(struct tcw) + sizeof(struct tsb);
+		/* TCW needs to be 64 byte aligned, so leave enough room */
+		datasize = 64 + sizeof(struct tcw) + sizeof(struct tsb);
 	} else {
 		cplength = 2;
 		datasize = 0;
@@ -2312,8 +2317,8 @@ static struct dasd_ccw_req *dasd_3990_erp_add_erp(struct dasd_ccw_req *cqr)
 	if (cqr->cpmode == 1) {
 		/* make a shallow copy of the original tcw but set new tsb */
 		erp->cpmode = 1;
-		erp->cpaddr = erp->data;
-		tcw = erp->data;
+		erp->cpaddr = PTR_ALIGN(erp->data, 64);
+		tcw = erp->cpaddr;
 		tsb = (struct tsb *) &tcw[1];
 		*tcw = *((struct tcw *)cqr->cpaddr);
 		tcw->tsb = (long)tsb;
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index d49766f3b940..8e23919c8704 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -742,6 +742,7 @@ dasd_ro_store(struct device *dev, struct device_attribute *attr,
 	      const char *buf, size_t count)
 {
 	struct dasd_devmap *devmap;
+	struct dasd_device *device;
 	int val;
 	char *endp;
 
@@ -758,12 +759,14 @@ dasd_ro_store(struct device *dev, struct device_attribute *attr,
 		devmap->features |= DASD_FEATURE_READONLY;
 	else
 		devmap->features &= ~DASD_FEATURE_READONLY;
-	if (devmap->device)
-		devmap->device->features = devmap->features;
-	if (devmap->device && devmap->device->block
-	    && devmap->device->block->gdp)
-		set_disk_ro(devmap->device->block->gdp, val);
+	device = devmap->device;
+	if (device) {
+		device->features = devmap->features;
+		val = val || test_bit(DASD_FLAG_DEVICE_RO, &device->flags);
+	}
 	spin_unlock(&dasd_devmap_lock);
+	if (device && device->block && device->block->gdp)
+		set_disk_ro(device->block->gdp, val);
 	return count;
 }
 
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 6e14863f5c70..687f323cdc38 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -145,12 +145,10 @@ dasd_diag_erp(struct dasd_device *device)
 	mdsk_term_io(device);
 	rc = mdsk_init_io(device, device->block->bp_block, 0, NULL);
 	if (rc == 4) {
-		if (!(device->features & DASD_FEATURE_READONLY)) {
+		if (!(test_and_set_bit(DASD_FLAG_DEVICE_RO, &device->flags)))
 			pr_warning("%s: The access mode of a DIAG device "
 				   "changed to read-only\n",
 				   dev_name(&device->cdev->dev));
-			device->features |= DASD_FEATURE_READONLY;
-		}
 		rc = 0;
 	}
 	if (rc)
@@ -449,7 +447,7 @@ dasd_diag_check_device(struct dasd_device *device)
 		rc = -EIO;
 	} else {
 		if (rc == 4)
-			device->features |= DASD_FEATURE_READONLY;
+			set_bit(DASD_FLAG_DEVICE_RO, &device->flags);
 		pr_info("%s: New DASD with %ld byte/block, total size %ld "
 			"KB%s\n", dev_name(&device->cdev->dev),
 			(unsigned long) block->bp_block,
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 1cca21aafaba..0cb233116855 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -1089,6 +1089,7 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
 	struct dasd_eckd_private *private;
 	struct dasd_block *block;
 	int is_known, rc;
+	int readonly;
 
 	if (!ccw_device_is_pathgroup(device->cdev)) {
 		dev_warn(&device->cdev->dev,
@@ -1182,15 +1183,20 @@ dasd_eckd_check_characteristics(struct dasd_device *device)
 	else
 		private->real_cyl = private->rdc_data.no_cyl;
 
+	readonly = dasd_device_is_ro(device);
+	if (readonly)
+		set_bit(DASD_FLAG_DEVICE_RO, &device->flags);
+
 	dev_info(&device->cdev->dev, "New DASD %04X/%02X (CU %04X/%02X) "
-		 "with %d cylinders, %d heads, %d sectors\n",
+		 "with %d cylinders, %d heads, %d sectors%s\n",
 		 private->rdc_data.dev_type,
 		 private->rdc_data.dev_model,
 		 private->rdc_data.cu_type,
 		 private->rdc_data.cu_model.model,
 		 private->real_cyl,
 		 private->rdc_data.trk_per_cyl,
-		 private->rdc_data.sec_per_trk);
+		 private->rdc_data.sec_per_trk,
+		 readonly ? ", read-only device" : "");
 	return 0;
 
 out_err3:
@@ -2839,8 +2845,13 @@ static int dasd_symm_io(struct dasd_device *device, void __user *argp)
 	char *psf_data, *rssd_result;
 	struct dasd_ccw_req *cqr;
 	struct ccw1 *ccw;
+	char psf0, psf1;
 	int rc;
 
+	if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO))
+		return -EACCES;
+	psf0 = psf1 = 0;
+
 	/* Copy parms from caller */
 	rc = -EFAULT;
 	if (copy_from_user(&usrparm, argp, sizeof(usrparm)))
@@ -2869,12 +2880,8 @@ static int dasd_symm_io(struct dasd_device *device, void __user *argp)
 			   (void __user *)(unsigned long) usrparm.psf_data,
 			   usrparm.psf_data_len))
 		goto out_free;
-
-	/* sanity check on syscall header */
-	if (psf_data[0] != 0x17 && psf_data[1] != 0xce) {
-		rc = -EINVAL;
-		goto out_free;
-	}
+	psf0 = psf_data[0];
+	psf1 = psf_data[1];
 
 	/* setup CCWs for PSF + RSSD */
 	cqr = dasd_smalloc_request(DASD_ECKD_MAGIC, 2 , 0, device);
@@ -2925,7 +2932,9 @@ out_free:
 	kfree(rssd_result);
 	kfree(psf_data);
 out:
-	DBF_DEV_EVENT(DBF_WARNING, device, "Symmetrix ioctl: rc=%d", rc);
+	DBF_DEV_EVENT(DBF_WARNING, device,
+		      "Symmetrix ioctl (0x%02x 0x%02x): rc=%d",
+		      (int) psf0, (int) psf1, rc);
 	return rc;
 }
 
@@ -3146,11 +3155,11 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device,
 
 	tsb = NULL;
 	sense = NULL;
-	if (irb->scsw.tm.tcw)
+	if (irb->scsw.tm.tcw && (irb->scsw.tm.fcxs == 0x01))
 		tsb = tcw_get_tsb(
 			(struct tcw *)(unsigned long)irb->scsw.tm.tcw);
 
-	if (tsb && (irb->scsw.tm.fcxs == 0x01)) {
+	if (tsb) {
 		len += sprintf(page + len, KERN_ERR PRINTK_HEADER
 			       " tsb->length %d\n", tsb->length);
 		len += sprintf(page + len, KERN_ERR PRINTK_HEADER
diff --git a/drivers/s390/block/dasd_fba.c b/drivers/s390/block/dasd_fba.c
index 0f152444ac77..37282b90eecc 100644
--- a/drivers/s390/block/dasd_fba.c
+++ b/drivers/s390/block/dasd_fba.c
@@ -124,6 +124,7 @@ dasd_fba_check_characteristics(struct dasd_device *device)
 	struct dasd_fba_private *private;
 	struct ccw_device *cdev = device->cdev;
 	int rc;
+	int readonly;
 
 	private = (struct dasd_fba_private *) device->private;
 	if (!private) {
@@ -162,16 +163,21 @@ dasd_fba_check_characteristics(struct dasd_device *device)
 		return rc;
 	}
 
+	readonly = dasd_device_is_ro(device);
+	if (readonly)
+		set_bit(DASD_FLAG_DEVICE_RO, &device->flags);
+
 	dev_info(&device->cdev->dev,
 		 "New FBA DASD %04X/%02X (CU %04X/%02X) with %d MB "
-		 "and %d B/blk\n",
+		 "and %d B/blk%s\n",
 		 cdev->id.dev_type,
 		 cdev->id.dev_model,
 		 cdev->id.cu_type,
 		 cdev->id.cu_model,
 		 ((private->rdc_data.blk_bdsa *
 		   (private->rdc_data.blk_size >> 9)) >> 11),
-		 private->rdc_data.blk_size);
+		 private->rdc_data.blk_size,
+		 readonly ? ", read-only device" : "");
 	return 0;
 }
 
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 94f92a1247f2..30a1ca3d08b7 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -70,7 +70,8 @@ int dasd_gendisk_alloc(struct dasd_block *block)
 	}
 	len += sprintf(gdp->disk_name + len, "%c", 'a'+(base->devindex%26));
 
-	if (block->base->features & DASD_FEATURE_READONLY)
+	if (base->features & DASD_FEATURE_READONLY ||
+	    test_bit(DASD_FLAG_DEVICE_RO, &base->flags))
 		set_disk_ro(gdp, 1);
 	gdp->private_data = block;
 	gdp->queue = block->request_queue;
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index ed73ce550822..a91d4a97d4f2 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -436,6 +436,10 @@ struct dasd_block {
 #define DASD_FLAG_OFFLINE	3	/* device is in offline processing */
 #define DASD_FLAG_EER_SNSS	4	/* A SNSS is required */
 #define DASD_FLAG_EER_IN_USE	5	/* A SNSS request is running */
+#define DASD_FLAG_DEVICE_RO	6	/* The device itself is read-only. Don't
+					 * confuse this with the user specified
+					 * read-only feature.
+					 */
 
 void dasd_put_device_wake(struct dasd_device *);
 
@@ -609,6 +613,9 @@ char *dasd_get_sense(struct irb *);
 void dasd_device_set_stop_bits(struct dasd_device *, int);
 void dasd_device_remove_stop_bits(struct dasd_device *, int);
 
+int dasd_device_is_ro(struct dasd_device *);
+
+
 /* externals in dasd_devmap.c */
 extern int dasd_max_devindex;
 extern int dasd_probeonly;
diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 7039d9cf0fb4..3479f8158a1b 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -199,7 +199,8 @@ dasd_ioctl_format(struct block_device *bdev, void __user *argp)
 	if (!argp)
 		return -EINVAL;
 
-	if (block->base->features & DASD_FEATURE_READONLY)
+	if (block->base->features & DASD_FEATURE_READONLY ||
+	    test_bit(DASD_FLAG_DEVICE_RO, &block->base->flags))
 		return -EROFS;
 	if (copy_from_user(&fdata, argp, sizeof(struct format_data_t)))
 		return -EFAULT;
@@ -349,7 +350,8 @@ dasd_ioctl_set_ro(struct block_device *bdev, void __user *argp)
 		return -EINVAL;
 	if (get_user(intval, (int __user *)argp))
 		return -EFAULT;
-
+	if (!intval && test_bit(DASD_FLAG_DEVICE_RO, &block->base->flags))
+		return -EROFS;
 	set_disk_ro(bdev->bd_disk, intval);
 	return dasd_set_feature(block->base->cdev, DASD_FEATURE_READONLY, intval);
 }
diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c
index 62ddf5202b79..2a4c566456e7 100644
--- a/drivers/s390/char/raw3270.c
+++ b/drivers/s390/char/raw3270.c
@@ -373,7 +373,7 @@ raw3270_irq (struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 		rq->rc = ccw_device_start(rp->cdev, &rq->ccw,
 					  (unsigned long) rq, 0, 0);
 		if (rq->rc == 0)
-			return;	/* Sucessfully restarted. */
+			return;	/* Successfully restarted. */
 		break;
 	case RAW3270_IO_STOP:
 		if (!rq)
diff --git a/drivers/s390/char/sclp.c b/drivers/s390/char/sclp.c
index ec88c59842e3..f6d72e1f2a38 100644
--- a/drivers/s390/char/sclp.c
+++ b/drivers/s390/char/sclp.c
@@ -196,7 +196,7 @@ __sclp_start_request(struct sclp_req *req)
 	req->start_count++;
 
 	if (rc == 0) {
-		/* Sucessfully started request */
+		/* Successfully started request */
 		req->status = SCLP_REQ_RUNNING;
 		sclp_running_state = sclp_running_state_running;
 		__sclp_set_request_timer(SCLP_RETRY_INTERVAL * HZ,
diff --git a/drivers/s390/char/sclp_async.c b/drivers/s390/char/sclp_async.c
index 740fe405c395..f449c696e503 100644
--- a/drivers/s390/char/sclp_async.c
+++ b/drivers/s390/char/sclp_async.c
@@ -84,6 +84,7 @@ static int proc_handler_callhome(struct ctl_table *ctl, int write,
 		rc = copy_from_user(buf, buffer, sizeof(buf));
 		if (rc != 0)
 			return -EFAULT;
+		buf[len - 1] = '\0';
 		if (strict_strtoul(buf, 0, &val) != 0)
 			return -EINVAL;
 		if (val != 0 && val != 1)
diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c
index b3beab610da4..4b60ede07f0e 100644
--- a/drivers/s390/char/sclp_cmd.c
+++ b/drivers/s390/char/sclp_cmd.c
@@ -308,6 +308,13 @@ struct assign_storage_sccb {
 	u16 rn;
 } __packed;
 
+int arch_get_memory_phys_device(unsigned long start_pfn)
+{
+	if (!rzm)
+		return 0;
+	return PFN_PHYS(start_pfn) >> ilog2(rzm);
+}
+
 static unsigned long long rn2addr(u16 rn)
 {
 	return (unsigned long long) (rn - 1) * rzm;
diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c
index 3438658b66b7..3166d85914f2 100644
--- a/drivers/s390/char/zcore.c
+++ b/drivers/s390/char/zcore.c
@@ -141,33 +141,6 @@ static int memcpy_hsa_kernel(void *dest, unsigned long src, size_t count)
 	return memcpy_hsa(dest, src, count, TO_KERNEL);
 }
 
-static int memcpy_real(void *dest, unsigned long src, size_t count)
-{
-	unsigned long flags;
-	int rc = -EFAULT;
-	register unsigned long _dest asm("2") = (unsigned long) dest;
-	register unsigned long _len1 asm("3") = (unsigned long) count;
-	register unsigned long _src  asm("4") = src;
-	register unsigned long _len2 asm("5") = (unsigned long) count;
-
-	if (count == 0)
-		return 0;
-	flags = __raw_local_irq_stnsm(0xf8UL); /* switch to real mode */
-	asm volatile (
-		"0:	mvcle	%1,%2,0x0\n"
-		"1:	jo	0b\n"
-		"	lhi	%0,0x0\n"
-		"2:\n"
-		EX_TABLE(1b,2b)
-		: "+d" (rc), "+d" (_dest), "+d" (_src), "+d" (_len1),
-		  "+d" (_len2), "=m" (*((long*)dest))
-		: "m" (*((long*)src))
-		: "cc", "memory");
-	__raw_local_irq_ssm(flags);
-
-	return rc;
-}
-
 static int memcpy_real_user(void __user *dest, unsigned long src, size_t count)
 {
 	static char buf[4096];
@@ -175,7 +148,7 @@ static int memcpy_real_user(void __user *dest, unsigned long src, size_t count)
 
 	while (offs < count) {
 		size = min(sizeof(buf), count - offs);
-		if (memcpy_real(buf, src + offs, size))
+		if (memcpy_real(buf, (void *) src + offs, size))
 			return -EFAULT;
 		if (copy_to_user(dest + offs, buf, size))
 			return -EFAULT;
@@ -663,7 +636,7 @@ static int __init zcore_reipl_init(void)
 	if (ipib_info.ipib < ZFCPDUMP_HSA_SIZE)
 		rc = memcpy_hsa_kernel(ipl_block, ipib_info.ipib, PAGE_SIZE);
 	else
-		rc = memcpy_real(ipl_block, ipib_info.ipib, PAGE_SIZE);
+		rc = memcpy_real(ipl_block, (void *) ipib_info.ipib, PAGE_SIZE);
 	if (rc) {
 		free_page((unsigned long) ipl_block);
 		return rc;
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index c6abb75c4615..6d229f3523a0 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -764,7 +764,7 @@ static void sch_create_and_recog_new_device(struct subchannel *sch)
 static void io_subchannel_register(struct ccw_device *cdev)
 {
 	struct subchannel *sch;
-	int ret;
+	int ret, adjust_init_count = 1;
 	unsigned long flags;
 
 	sch = to_subchannel(cdev->dev.parent);
@@ -793,6 +793,7 @@ static void io_subchannel_register(struct ccw_device *cdev)
 					      cdev->private->dev_id.ssid,
 					      cdev->private->dev_id.devno);
 		}
+		adjust_init_count = 0;
 		goto out;
 	}
 	/*
@@ -818,7 +819,7 @@ out:
 	cdev->private->flags.recog_done = 1;
 	wake_up(&cdev->private->wait_q);
 out_err:
-	if (atomic_dec_and_test(&ccw_device_init_count))
+	if (adjust_init_count && atomic_dec_and_test(&ccw_device_init_count))
 		wake_up(&ccw_device_init_wq);
 }
 
diff --git a/drivers/s390/cio/qdio_debug.c b/drivers/s390/cio/qdio_debug.c
index c94eb2a0fa2e..6ce83f56d537 100644
--- a/drivers/s390/cio/qdio_debug.c
+++ b/drivers/s390/cio/qdio_debug.c
@@ -33,7 +33,6 @@ void qdio_allocate_dbf(struct qdio_initialize *init_data,
 	DBF_HEX(&init_data->input_handler, sizeof(void *));
 	DBF_HEX(&init_data->output_handler, sizeof(void *));
 	DBF_HEX(&init_data->int_parm, sizeof(long));
-	DBF_HEX(&init_data->flags, sizeof(long));
 	DBF_HEX(&init_data->input_sbal_addr_array, sizeof(void *));
 	DBF_HEX(&init_data->output_sbal_addr_array, sizeof(void *));
 	DBF_EVENT("irq:%8lx", (unsigned long)irq_ptr);
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 232ef047ba34..4f8f74311778 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -588,10 +588,11 @@ static void qdio_kick_handler(struct qdio_q *q)
 	if (q->is_input_q) {
 		qperf_inc(q, inbound_handler);
 		DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "kih s:%02x c:%02x", start, count);
-	} else
+	} else {
 		qperf_inc(q, outbound_handler);
 		DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "koh: s:%02x c:%02x",
 			      start, count);
+	}
 
 	q->handler(q->irq_ptr->cdev, q->qdio_error, q->nr, start, count,
 		   q->irq_ptr->int_parm);
diff --git a/drivers/s390/net/Kconfig b/drivers/s390/net/Kconfig
index cb909a5b5047..977bb4d4ed15 100644
--- a/drivers/s390/net/Kconfig
+++ b/drivers/s390/net/Kconfig
@@ -43,6 +43,16 @@ config SMSGIUCV
 	  Select this option if you want to be able to receive SMSG messages
 	  from other VM guest systems.
 
+config SMSGIUCV_EVENT
+	tristate "Deliver IUCV special messages as uevents (VM only)"
+	depends on SMSGIUCV
+	help
+	  Select this option to deliver CP special messages (SMSGs) as
+	  uevents.  The driver handles only those special messages that
+	  start with "APP".
+
+	  To compile as a module, choose M. The module name is "smsgiucv_app".
+
 config CLAW
 	tristate "CLAW device support"
 	depends on CCW && NETDEVICES
diff --git a/drivers/s390/net/Makefile b/drivers/s390/net/Makefile
index 6cab5a62f99e..4dfe8c1092da 100644
--- a/drivers/s390/net/Makefile
+++ b/drivers/s390/net/Makefile
@@ -6,6 +6,7 @@ ctcm-y += ctcm_main.o ctcm_fsms.o ctcm_mpc.o ctcm_sysfs.o ctcm_dbug.o
 obj-$(CONFIG_CTCM) += ctcm.o fsm.o
 obj-$(CONFIG_NETIUCV) += netiucv.o fsm.o
 obj-$(CONFIG_SMSGIUCV) += smsgiucv.o
+obj-$(CONFIG_SMSGIUCV_EVENT) += smsgiucv_app.o
 obj-$(CONFIG_LCS) += lcs.o
 obj-$(CONFIG_CLAW) += claw.o
 qeth-y += qeth_core_sys.o qeth_core_main.o qeth_core_mpc.o
diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h
index a3ac4456e0b1..fcd005aad989 100644
--- a/drivers/s390/net/qeth_core.h
+++ b/drivers/s390/net/qeth_core.h
@@ -763,7 +763,8 @@ static inline int qeth_get_micros(void)
 
 static inline int qeth_get_ip_version(struct sk_buff *skb)
 {
-	switch (skb->protocol) {
+	struct ethhdr *ehdr = (struct ethhdr *)skb->data;
+	switch (ehdr->h_proto) {
 	case ETH_P_IPV6:
 		return 6;
 	case ETH_P_IP:
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c
index fa8a519218ac..3bd4206f3470 100644
--- a/drivers/s390/net/qeth_core_main.c
+++ b/drivers/s390/net/qeth_core_main.c
@@ -537,7 +537,8 @@ static void qeth_send_control_data_cb(struct qeth_channel *channel,
 			dev_err(&card->gdev->dev,
 				"The qeth device is not configured "
 				"for the OSI layer required by z/VM\n");
-		qeth_schedule_recovery(card);
+		else
+			qeth_schedule_recovery(card);
 		goto out;
 	}
 
@@ -1113,8 +1114,6 @@ static int qeth_setup_card(struct qeth_card *card)
 	card->ipato.enabled = 0;
 	card->ipato.invert4 = 0;
 	card->ipato.invert6 = 0;
-	if (card->info.type == QETH_CARD_TYPE_IQD)
-		card->options.checksum_type = NO_CHECKSUMMING;
 	/* init QDIO stuff */
 	qeth_init_qdio_info(card);
 	return 0;
@@ -3805,9 +3804,6 @@ static int qeth_qdio_establish(struct qeth_card *card)
 	init_data.input_handler          = card->discipline.input_handler;
 	init_data.output_handler         = card->discipline.output_handler;
 	init_data.int_parm               = (unsigned long) card;
-	init_data.flags                  = QDIO_INBOUND_0COPY_SBALS |
-					   QDIO_OUTBOUND_0COPY_SBALS |
-					   QDIO_USE_OUTBOUND_PCIS;
 	init_data.input_sbal_addr_array  = (void **) in_sbal_ptrs;
 	init_data.output_sbal_addr_array = (void **) out_sbal_ptrs;
 
diff --git a/drivers/s390/net/qeth_core_sys.c b/drivers/s390/net/qeth_core_sys.c
index 88ae4357136a..25dfd5abd19b 100644
--- a/drivers/s390/net/qeth_core_sys.c
+++ b/drivers/s390/net/qeth_core_sys.c
@@ -8,6 +8,9 @@
  *		 Frank Blaschka <frank.blaschka@de.ibm.com>
  */
 
+#define KMSG_COMPONENT "qeth"
+#define pr_fmt(fmt) KMSG_COMPONENT ": " fmt
+
 #include <linux/list.h>
 #include <linux/rwsem.h>
 #include <asm/ebcdic.h>
diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c
index 51fde6f2e0b8..6f1e3036bafd 100644
--- a/drivers/s390/net/qeth_l2_main.c
+++ b/drivers/s390/net/qeth_l2_main.c
@@ -1071,11 +1071,9 @@ static int qeth_l2_recover(void *ptr)
 		dev_info(&card->gdev->dev,
 			"Device successfully recovered!\n");
 	else {
-		if (card->dev) {
-			rtnl_lock();
-			dev_close(card->dev);
-			rtnl_unlock();
-		}
+		rtnl_lock();
+		dev_close(card->dev);
+		rtnl_unlock();
 		dev_warn(&card->gdev->dev, "The qeth device driver "
 			"failed to recover an error on the device\n");
 	}
@@ -1129,11 +1127,9 @@ static int qeth_l2_pm_resume(struct ccwgroup_device *gdev)
 	if (card->state == CARD_STATE_RECOVER) {
 		rc = __qeth_l2_set_online(card->gdev, 1);
 		if (rc) {
-			if (card->dev) {
-				rtnl_lock();
-				dev_close(card->dev);
-				rtnl_unlock();
-			}
+			rtnl_lock();
+			dev_close(card->dev);
+			rtnl_unlock();
 		}
 	} else
 		rc = __qeth_l2_set_online(card->gdev, 0);
diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c
index 5475834ab916..b3b6e872d806 100644
--- a/drivers/s390/net/qeth_l3_main.c
+++ b/drivers/s390/net/qeth_l3_main.c
@@ -1691,39 +1691,43 @@ qeth_diags_trace_cb(struct qeth_card *card, struct qeth_reply *reply,
 
 	cmd = (struct qeth_ipa_cmd *)data;
 	rc = cmd->hdr.return_code;
-	if (rc) {
+	if (rc)
 		QETH_DBF_TEXT_(TRACE, 2, "dxter%x", rc);
-		if (cmd->data.diagass.action == QETH_DIAGS_CMD_TRACE_ENABLE) {
-			switch (rc) {
-			case IPA_RC_HARDWARE_AUTH_ERROR:
-				dev_warn(&card->gdev->dev, "The device is not "
-					"authorized to run as a HiperSockets "
-					"network traffic analyzer\n");
-				break;
-			case IPA_RC_TRACE_ALREADY_ACTIVE:
-				dev_warn(&card->gdev->dev, "A HiperSockets "
-					"network traffic analyzer is already "
-					"active in the HiperSockets LAN\n");
-				break;
-			default:
-				break;
-			}
-		}
-		return 0;
-	}
-
 	switch (cmd->data.diagass.action) {
 	case QETH_DIAGS_CMD_TRACE_QUERY:
 		break;
 	case QETH_DIAGS_CMD_TRACE_DISABLE:
-		card->info.promisc_mode = SET_PROMISC_MODE_OFF;
-		dev_info(&card->gdev->dev, "The HiperSockets network traffic "
-			"analyzer is deactivated\n");
+		switch (rc) {
+		case 0:
+		case IPA_RC_INVALID_SUBCMD:
+			card->info.promisc_mode = SET_PROMISC_MODE_OFF;
+			dev_info(&card->gdev->dev, "The HiperSockets network "
+				"traffic analyzer is deactivated\n");
+			break;
+		default:
+			break;
+		}
 		break;
 	case QETH_DIAGS_CMD_TRACE_ENABLE:
-		card->info.promisc_mode = SET_PROMISC_MODE_ON;
-		dev_info(&card->gdev->dev, "The HiperSockets network traffic "
-			"analyzer is activated\n");
+		switch (rc) {
+		case 0:
+			card->info.promisc_mode = SET_PROMISC_MODE_ON;
+			dev_info(&card->gdev->dev, "The HiperSockets network "
+				"traffic analyzer is activated\n");
+			break;
+		case IPA_RC_HARDWARE_AUTH_ERROR:
+			dev_warn(&card->gdev->dev, "The device is not "
+				"authorized to run as a HiperSockets network "
+				"traffic analyzer\n");
+			break;
+		case IPA_RC_TRACE_ALREADY_ACTIVE:
+			dev_warn(&card->gdev->dev, "A HiperSockets "
+				"network traffic analyzer is already "
+				"active in the HiperSockets LAN\n");
+			break;
+		default:
+			break;
+		}
 		break;
 	default:
 		QETH_DBF_MESSAGE(2, "Unknown sniffer action (0x%04x) on %s\n",
@@ -2215,11 +2219,9 @@ static int qeth_l3_stop_card(struct qeth_card *card, int recovery_mode)
 		if (recovery_mode)
 			qeth_l3_stop(card->dev);
 		else {
-			if (card->dev) {
-				rtnl_lock();
-				dev_close(card->dev);
-				rtnl_unlock();
-			}
+			rtnl_lock();
+			dev_close(card->dev);
+			rtnl_unlock();
 		}
 		if (!card->use_hard_stop) {
 			rc = qeth_send_stoplan(card);
@@ -2900,10 +2902,8 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	int data_offset = -1;
 	int nr_frags;
 
-	if ((card->info.type == QETH_CARD_TYPE_IQD) &&
-	    (((skb->protocol != htons(ETH_P_IPV6)) &&
-	      (skb->protocol != htons(ETH_P_IP))) ||
-	     card->options.sniffer))
+	if (((card->info.type == QETH_CARD_TYPE_IQD) && (!ipv)) ||
+	     card->options.sniffer)
 			goto tx_drop;
 
 	if ((card->state != CARD_STATE_UP) || !card->lan_online) {
@@ -2949,14 +2949,14 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
 		if (data_offset < 0)
 			skb_pull(new_skb, ETH_HLEN);
 	} else {
-		if (new_skb->protocol == htons(ETH_P_IP)) {
+		if (ipv == 4) {
 			if (card->dev->type == ARPHRD_IEEE802_TR)
 				skb_pull(new_skb, TR_HLEN);
 			else
 				skb_pull(new_skb, ETH_HLEN);
 		}
 
-		if (new_skb->protocol == ETH_P_IPV6 && card->vlangrp &&
+		if (ipv == 6 && card->vlangrp &&
 				vlan_tx_tag_present(new_skb)) {
 			skb_push(new_skb, VLAN_HLEN);
 			skb_copy_to_linear_data(new_skb, new_skb->data + 4, 4);
@@ -3534,11 +3534,9 @@ static int qeth_l3_pm_resume(struct ccwgroup_device *gdev)
 	if (card->state == CARD_STATE_RECOVER) {
 		rc = __qeth_l3_set_online(card->gdev, 1);
 		if (rc) {
-			if (card->dev) {
-				rtnl_lock();
-				dev_close(card->dev);
-				rtnl_unlock();
-			}
+			rtnl_lock();
+			dev_close(card->dev);
+			rtnl_unlock();
 		}
 	} else
 		rc = __qeth_l3_set_online(card->gdev, 0);
diff --git a/drivers/s390/net/smsgiucv.c b/drivers/s390/net/smsgiucv.c
index 67f2485d2372..ecef1edee701 100644
--- a/drivers/s390/net/smsgiucv.c
+++ b/drivers/s390/net/smsgiucv.c
@@ -31,9 +31,9 @@
 
 struct smsg_callback {
 	struct list_head list;
-	char *prefix;
+	const char *prefix;
 	int len;
-	void (*callback)(char *from, char *str);
+	void (*callback)(const char *from, char *str);
 };
 
 MODULE_AUTHOR
@@ -100,8 +100,8 @@ static void smsg_message_pending(struct iucv_path *path,
 	kfree(buffer);
 }
 
-int smsg_register_callback(char *prefix,
-			   void (*callback)(char *from, char *str))
+int smsg_register_callback(const char *prefix,
+			   void (*callback)(const char *from, char *str))
 {
 	struct smsg_callback *cb;
 
@@ -117,8 +117,9 @@ int smsg_register_callback(char *prefix,
 	return 0;
 }
 
-void smsg_unregister_callback(char *prefix,
-			      void (*callback)(char *from, char *str))
+void smsg_unregister_callback(const char *prefix,
+			      void (*callback)(const char *from,
+					       char *str))
 {
 	struct smsg_callback *cb, *tmp;
 
@@ -176,7 +177,7 @@ static const struct dev_pm_ops smsg_pm_ops = {
 
 static struct device_driver smsg_driver = {
 	.owner = THIS_MODULE,
-	.name = "SMSGIUCV",
+	.name = SMSGIUCV_DRV_NAME,
 	.bus  = &iucv_bus,
 	.pm = &smsg_pm_ops,
 };
diff --git a/drivers/s390/net/smsgiucv.h b/drivers/s390/net/smsgiucv.h
index 67f5d4f8378d..149a1151608d 100644
--- a/drivers/s390/net/smsgiucv.h
+++ b/drivers/s390/net/smsgiucv.h
@@ -5,6 +5,10 @@
  * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
  */
 
-int  smsg_register_callback(char *, void (*)(char *, char *));
-void smsg_unregister_callback(char *, void (*)(char *, char *));
+#define SMSGIUCV_DRV_NAME     "SMSGIUCV"
+
+int  smsg_register_callback(const char *,
+			    void (*)(const char *, char *));
+void smsg_unregister_callback(const char *,
+			      void (*)(const char *, char *));
 
diff --git a/drivers/s390/net/smsgiucv_app.c b/drivers/s390/net/smsgiucv_app.c
new file mode 100644
index 000000000000..91579dc6a2b0
--- /dev/null
+++ b/drivers/s390/net/smsgiucv_app.c
@@ -0,0 +1,211 @@
+/*
+ * Deliver z/VM CP special messages (SMSG) as uevents.
+ *
+ * The driver registers for z/VM CP special messages with the
+ * "APP" prefix. Incoming messages are delivered to user space
+ * as uevents.
+ *
+ * Copyright IBM Corp. 2010
+ * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
+ *
+ */
+#define KMSG_COMPONENT		"smsgiucv_app"
+#define pr_fmt(fmt)		KMSG_COMPONENT ": " fmt
+
+#include <linux/ctype.h>
+#include <linux/err.h>
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/kobject.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/workqueue.h>
+#include <net/iucv/iucv.h>
+#include "smsgiucv.h"
+
+/* prefix used for SMSG registration */
+#define SMSG_PREFIX		"APP"
+
+/* SMSG related uevent environment variables */
+#define ENV_SENDER_STR		"SMSG_SENDER="
+#define ENV_SENDER_LEN		(strlen(ENV_SENDER_STR) + 8 + 1)
+#define ENV_PREFIX_STR		"SMSG_ID="
+#define ENV_PREFIX_LEN		(strlen(ENV_PREFIX_STR) + \
+				 strlen(SMSG_PREFIX) + 1)
+#define ENV_TEXT_STR		"SMSG_TEXT="
+#define ENV_TEXT_LEN(msg)	(strlen(ENV_TEXT_STR) + strlen((msg)) + 1)
+
+/* z/VM user ID which is permitted to send SMSGs
+ * If the value is undefined or empty (""), special messages are
+ * accepted from any z/VM user ID. */
+static char *sender;
+module_param(sender, charp, 0400);
+MODULE_PARM_DESC(sender, "z/VM user ID from which CP SMSGs are accepted");
+
+/* SMSG device representation */
+static struct device *smsg_app_dev;
+
+/* list element for queuing received messages for delivery */
+struct smsg_app_event {
+	struct list_head list;
+	char *buf;
+	char *envp[4];
+};
+
+/* queue for outgoing uevents */
+static LIST_HEAD(smsg_event_queue);
+static DEFINE_SPINLOCK(smsg_event_queue_lock);
+
+static void smsg_app_event_free(struct smsg_app_event *ev)
+{
+	kfree(ev->buf);
+	kfree(ev);
+}
+
+static struct smsg_app_event *smsg_app_event_alloc(const char *from,
+						   const char *msg)
+{
+	struct smsg_app_event *ev;
+
+	ev = kzalloc(sizeof(*ev), GFP_ATOMIC);
+	if (!ev)
+		return NULL;
+
+	ev->buf = kzalloc(ENV_SENDER_LEN + ENV_PREFIX_LEN +
+			  ENV_TEXT_LEN(msg), GFP_ATOMIC);
+	if (!ev->buf) {
+		kfree(ev);
+		return NULL;
+	}
+
+	/* setting up environment pointers into buf */
+	ev->envp[0] = ev->buf;
+	ev->envp[1] = ev->envp[0] + ENV_SENDER_LEN;
+	ev->envp[2] = ev->envp[1] + ENV_PREFIX_LEN;
+	ev->envp[3] = NULL;
+
+	/* setting up environment: sender, prefix name, and message text */
+	snprintf(ev->envp[0], ENV_SENDER_LEN, ENV_SENDER_STR "%s", from);
+	snprintf(ev->envp[1], ENV_PREFIX_LEN, ENV_PREFIX_STR "%s", SMSG_PREFIX);
+	snprintf(ev->envp[2], ENV_TEXT_LEN(msg), ENV_TEXT_STR "%s", msg);
+
+	return ev;
+}
+
+static void smsg_event_work_fn(struct work_struct *work)
+{
+	LIST_HEAD(event_queue);
+	struct smsg_app_event *p, *n;
+	struct device *dev;
+
+	dev = get_device(smsg_app_dev);
+	if (!dev)
+		return;
+
+	spin_lock_bh(&smsg_event_queue_lock);
+	list_splice_init(&smsg_event_queue, &event_queue);
+	spin_unlock_bh(&smsg_event_queue_lock);
+
+	list_for_each_entry_safe(p, n, &event_queue, list) {
+		list_del(&p->list);
+		kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, p->envp);
+		smsg_app_event_free(p);
+	}
+
+	put_device(dev);
+}
+static DECLARE_WORK(smsg_event_work, smsg_event_work_fn);
+
+static void smsg_app_callback(const char *from, char *msg)
+{
+	struct smsg_app_event *se;
+
+	/* check if the originating z/VM user ID matches
+	 * the configured sender. */
+	if (sender && strlen(sender) > 0 && strcmp(from, sender) != 0)
+		return;
+
+	/* get start of message text (skip prefix and leading blanks) */
+	msg += strlen(SMSG_PREFIX);
+	while (*msg && isspace(*msg))
+		msg++;
+	if (*msg == '\0')
+		return;
+
+	/* allocate event list element and its environment */
+	se = smsg_app_event_alloc(from, msg);
+	if (!se)
+		return;
+
+	/* queue event and schedule work function */
+	spin_lock(&smsg_event_queue_lock);
+	list_add_tail(&se->list, &smsg_event_queue);
+	spin_unlock(&smsg_event_queue_lock);
+
+	schedule_work(&smsg_event_work);
+	return;
+}
+
+static int __init smsgiucv_app_init(void)
+{
+	struct device_driver *smsgiucv_drv;
+	int rc;
+
+	if (!MACHINE_IS_VM)
+		return -ENODEV;
+
+	smsg_app_dev = kzalloc(sizeof(*smsg_app_dev), GFP_KERNEL);
+	if (!smsg_app_dev)
+		return -ENOMEM;
+
+	smsgiucv_drv = driver_find(SMSGIUCV_DRV_NAME, &iucv_bus);
+	if (!smsgiucv_drv) {
+		kfree(smsg_app_dev);
+		return -ENODEV;
+	}
+
+	rc = dev_set_name(smsg_app_dev, KMSG_COMPONENT);
+	if (rc) {
+		kfree(smsg_app_dev);
+		goto fail_put_driver;
+	}
+	smsg_app_dev->bus = &iucv_bus;
+	smsg_app_dev->parent = iucv_root;
+	smsg_app_dev->release = (void (*)(struct device *)) kfree;
+	smsg_app_dev->driver = smsgiucv_drv;
+	rc = device_register(smsg_app_dev);
+	if (rc) {
+		put_device(smsg_app_dev);
+		goto fail_put_driver;
+	}
+
+	/* register with the smsgiucv device driver */
+	rc = smsg_register_callback(SMSG_PREFIX, smsg_app_callback);
+	if (rc) {
+		device_unregister(smsg_app_dev);
+		goto fail_put_driver;
+	}
+
+	rc = 0;
+fail_put_driver:
+	put_driver(smsgiucv_drv);
+	return rc;
+}
+module_init(smsgiucv_app_init);
+
+static void __exit smsgiucv_app_exit(void)
+{
+	/* unregister callback */
+	smsg_unregister_callback(SMSG_PREFIX, smsg_app_callback);
+
+	/* cancel pending work and flush any queued event work */
+	cancel_work_sync(&smsg_event_work);
+	smsg_event_work_fn(&smsg_event_work);
+
+	device_unregister(smsg_app_dev);
+}
+module_exit(smsgiucv_app_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Deliver z/VM CP SMSG as uevents");
+MODULE_AUTHOR("Hendrik Brueckner <brueckner@linux.vnet.ibm.com>");
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 71b97ff77cf0..6479273a3094 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -319,8 +319,6 @@ static void zfcp_qdio_setup_init_data(struct qdio_initialize *id,
 	id->input_handler = zfcp_qdio_int_resp;
 	id->output_handler = zfcp_qdio_int_req;
 	id->int_parm = (unsigned long) qdio;
-	id->flags = QDIO_INBOUND_0COPY_SBALS |
-		    QDIO_OUTBOUND_0COPY_SBALS | QDIO_USE_OUTBOUND_PCIS;
 	id->input_sbal_addr_array = (void **) (qdio->resp_q.sbal);
 	id->output_sbal_addr_array = (void **) (qdio->req_q.sbal);
 
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 9191d1ea6451..75f2336807cb 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -1,9 +1,15 @@
 menu "SCSI device support"
 
+config SCSI_MOD
+       tristate
+       default y if SCSI=n || SCSI=y
+       default m if SCSI=m
+
 config RAID_ATTRS
 	tristate "RAID Transport Class"
 	default n
 	depends on BLOCK
+	depends on SCSI_MOD
 	---help---
 	  Provides RAID
 
diff --git a/drivers/scsi/a100u2w.c b/drivers/scsi/a100u2w.c
index 208d6df9ed59..ff5716d5f044 100644
--- a/drivers/scsi/a100u2w.c
+++ b/drivers/scsi/a100u2w.c
@@ -492,7 +492,7 @@ static void init_alloc_map(struct orc_host * host)
  *	init_orchid		-	initialise the host adapter
  *	@host:host adapter to initialise
  *
- *	Initialise the controller and if neccessary load the firmware.
+ *	Initialise the controller and if necessary load the firmware.
  *
  *	Returns -1 if the initialisation fails.
  */
diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c
index 67098578fba4..cda6642c7368 100644
--- a/drivers/scsi/be2iscsi/be_cmds.c
+++ b/drivers/scsi/be2iscsi/be_cmds.c
@@ -32,18 +32,11 @@ void be_mcc_notify(struct beiscsi_hba *phba)
 unsigned int alloc_mcc_tag(struct beiscsi_hba *phba)
 {
 	unsigned int tag = 0;
-	unsigned int num = 0;
 
-mcc_tag_rdy:
 	if (phba->ctrl.mcc_tag_available) {
 		tag = phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index];
 		phba->ctrl.mcc_tag[phba->ctrl.mcc_alloc_index] = 0;
 		phba->ctrl.mcc_numtag[tag] = 0;
-	} else {
-		udelay(100);
-		num++;
-		if (num < mcc_timeout)
-			goto mcc_tag_rdy;
 	}
 	if (tag) {
 		phba->ctrl.mcc_tag_available--;
diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c
index 29a3aaf35f9f..c3928cb8b042 100644
--- a/drivers/scsi/be2iscsi/be_iscsi.c
+++ b/drivers/scsi/be2iscsi/be_iscsi.c
@@ -482,7 +482,7 @@ static int beiscsi_open_conn(struct iscsi_endpoint *ep,
 	tag = mgmt_open_connection(phba, dst_addr, beiscsi_ep);
 	if (!tag) {
 		SE_DEBUG(DBG_LVL_1,
-			 "mgmt_invalidate_connection Failed for cid=%d \n",
+			 "mgmt_open_connection Failed for cid=%d \n",
 			 beiscsi_ep->ep_cid);
 	} else {
 		wait_event_interruptible(phba->ctrl.mcc_wait[tag],
@@ -701,7 +701,7 @@ void beiscsi_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
 	if (!tag) {
 		SE_DEBUG(DBG_LVL_1,
 			 "mgmt_invalidate_connection Failed for cid=%d \n",
-			 beiscsi_ep->ep_cid);
+			  beiscsi_ep->ep_cid);
 	} else {
 		wait_event_interruptible(phba->ctrl.mcc_wait[tag],
 					 phba->ctrl.mcc_numtag[tag]);
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 7c22616ab141..fcfb29e02d8a 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -58,6 +58,123 @@ static int beiscsi_slave_configure(struct scsi_device *sdev)
 	return 0;
 }
 
+static int beiscsi_eh_abort(struct scsi_cmnd *sc)
+{
+	struct iscsi_cls_session *cls_session;
+	struct iscsi_task *aborted_task = (struct iscsi_task *)sc->SCp.ptr;
+	struct beiscsi_io_task *aborted_io_task;
+	struct iscsi_conn *conn;
+	struct beiscsi_conn *beiscsi_conn;
+	struct beiscsi_hba *phba;
+	struct iscsi_session *session;
+	struct invalidate_command_table *inv_tbl;
+	unsigned int cid, tag, num_invalidate;
+
+	cls_session = starget_to_session(scsi_target(sc->device));
+	session = cls_session->dd_data;
+
+	spin_lock_bh(&session->lock);
+	if (!aborted_task || !aborted_task->sc) {
+		/* we raced */
+		spin_unlock_bh(&session->lock);
+		return SUCCESS;
+	}
+
+	aborted_io_task = aborted_task->dd_data;
+	if (!aborted_io_task->scsi_cmnd) {
+		/* raced or invalid command */
+		spin_unlock_bh(&session->lock);
+		return SUCCESS;
+	}
+	spin_unlock_bh(&session->lock);
+	conn = aborted_task->conn;
+	beiscsi_conn = conn->dd_data;
+	phba = beiscsi_conn->phba;
+
+	/* invalidate iocb */
+	cid = beiscsi_conn->beiscsi_conn_cid;
+	inv_tbl = phba->inv_tbl;
+	memset(inv_tbl, 0x0, sizeof(*inv_tbl));
+	inv_tbl->cid = cid;
+	inv_tbl->icd = aborted_io_task->psgl_handle->sgl_index;
+	num_invalidate = 1;
+	tag = mgmt_invalidate_icds(phba, inv_tbl, num_invalidate, cid);
+	if (!tag) {
+		shost_printk(KERN_WARNING, phba->shost,
+			     "mgmt_invalidate_icds could not be"
+			     " submitted\n");
+		return FAILED;
+	} else {
+		wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+					 phba->ctrl.mcc_numtag[tag]);
+		free_mcc_tag(&phba->ctrl, tag);
+	}
+
+	return iscsi_eh_abort(sc);
+}
+
+static int beiscsi_eh_device_reset(struct scsi_cmnd *sc)
+{
+	struct iscsi_task *abrt_task;
+	struct beiscsi_io_task *abrt_io_task;
+	struct iscsi_conn *conn;
+	struct beiscsi_conn *beiscsi_conn;
+	struct beiscsi_hba *phba;
+	struct iscsi_session *session;
+	struct iscsi_cls_session *cls_session;
+	struct invalidate_command_table *inv_tbl;
+	unsigned int cid, tag, i, num_invalidate;
+	int rc = FAILED;
+
+	/* invalidate iocbs */
+	cls_session = starget_to_session(scsi_target(sc->device));
+	session = cls_session->dd_data;
+	spin_lock_bh(&session->lock);
+	if (!session->leadconn || session->state != ISCSI_STATE_LOGGED_IN)
+		goto unlock;
+
+	conn = session->leadconn;
+	beiscsi_conn = conn->dd_data;
+	phba = beiscsi_conn->phba;
+	cid = beiscsi_conn->beiscsi_conn_cid;
+	inv_tbl = phba->inv_tbl;
+	memset(inv_tbl, 0x0, sizeof(*inv_tbl) * BE2_CMDS_PER_CXN);
+	num_invalidate = 0;
+	for (i = 0; i < conn->session->cmds_max; i++) {
+		abrt_task = conn->session->cmds[i];
+		abrt_io_task = abrt_task->dd_data;
+		if (!abrt_task->sc || abrt_task->state == ISCSI_TASK_FREE)
+			continue;
+
+		if (abrt_task->sc->device->lun != abrt_task->sc->device->lun)
+			continue;
+
+		inv_tbl->cid = cid;
+		inv_tbl->icd = abrt_io_task->psgl_handle->sgl_index;
+		num_invalidate++;
+		inv_tbl++;
+	}
+	spin_unlock_bh(&session->lock);
+	inv_tbl = phba->inv_tbl;
+
+	tag = mgmt_invalidate_icds(phba, inv_tbl, num_invalidate, cid);
+	if (!tag) {
+		shost_printk(KERN_WARNING, phba->shost,
+			     "mgmt_invalidate_icds could not be"
+			     " submitted\n");
+		return FAILED;
+	} else {
+		wait_event_interruptible(phba->ctrl.mcc_wait[tag],
+					 phba->ctrl.mcc_numtag[tag]);
+		free_mcc_tag(&phba->ctrl, tag);
+	}
+
+	return iscsi_eh_device_reset(sc);
+unlock:
+	spin_unlock_bh(&session->lock);
+	return rc;
+}
+
 /*------------------- PCI Driver operations and data ----------------- */
 static DEFINE_PCI_DEVICE_TABLE(beiscsi_pci_id_table) = {
 	{ PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) },
@@ -74,12 +191,12 @@ static struct scsi_host_template beiscsi_sht = {
 	.name = "ServerEngines 10Gbe open-iscsi Initiator Driver",
 	.proc_name = DRV_NAME,
 	.queuecommand = iscsi_queuecommand,
-	.eh_abort_handler = iscsi_eh_abort,
 	.change_queue_depth = iscsi_change_queue_depth,
 	.slave_configure = beiscsi_slave_configure,
 	.target_alloc = iscsi_target_alloc,
-	.eh_device_reset_handler = iscsi_eh_device_reset,
-	.eh_target_reset_handler = iscsi_eh_target_reset,
+	.eh_abort_handler = beiscsi_eh_abort,
+	.eh_device_reset_handler = beiscsi_eh_device_reset,
+	.eh_target_reset_handler = iscsi_eh_session_reset,
 	.sg_tablesize = BEISCSI_SGLIST_ELEMENTS,
 	.can_queue = BE2_IO_DEPTH,
 	.this_id = -1,
@@ -242,7 +359,7 @@ static void beiscsi_get_params(struct beiscsi_hba *phba)
 				    + BE2_TMFS
 				    + BE2_NOPOUT_REQ));
 	phba->params.cxns_per_ctrl = phba->fw_config.iscsi_cid_count;
-	phba->params.asyncpdus_per_ctrl = phba->fw_config.iscsi_cid_count;;
+	phba->params.asyncpdus_per_ctrl = phba->fw_config.iscsi_cid_count * 2;
 	phba->params.icds_per_ctrl = phba->fw_config.iscsi_icd_count;;
 	phba->params.num_sge_per_io = BE2_SGE;
 	phba->params.defpdu_hdr_sz = BE2_DEFPDU_HDR_SZ;
@@ -946,14 +1063,18 @@ static void hwi_complete_cmd(struct beiscsi_conn *beiscsi_conn,
 	case HWH_TYPE_IO:
 	case HWH_TYPE_IO_RD:
 		if ((task->hdr->opcode & ISCSI_OPCODE_MASK) ==
-		    ISCSI_OP_NOOP_OUT) {
+		     ISCSI_OP_NOOP_OUT)
 			be_complete_nopin_resp(beiscsi_conn, task, psol);
-		} else
+		else
 			be_complete_io(beiscsi_conn, task, psol);
 		break;
 
 	case HWH_TYPE_LOGOUT:
-		be_complete_logout(beiscsi_conn, task, psol);
+		if ((task->hdr->opcode & ISCSI_OPCODE_MASK) == ISCSI_OP_LOGOUT)
+			be_complete_logout(beiscsi_conn, task, psol);
+		else
+			be_complete_tmf(beiscsi_conn, task, psol);
+
 		break;
 
 	case HWH_TYPE_LOGIN:
@@ -962,10 +1083,6 @@ static void hwi_complete_cmd(struct beiscsi_conn *beiscsi_conn,
 			 "- Solicited path \n");
 		break;
 
-	case HWH_TYPE_TMF:
-		be_complete_tmf(beiscsi_conn, task, psol);
-		break;
-
 	case HWH_TYPE_NOP:
 		be_complete_nopin_resp(beiscsi_conn, task, psol);
 		break;
@@ -2052,7 +2169,7 @@ static void beiscsi_init_wrb_handle(struct beiscsi_hba *phba)
 	num_cxn_wrb = (mem_descr_wrb->mem_array[idx].size) /
 		      ((sizeof(struct iscsi_wrb) *
 			phba->params.wrbs_per_cxn));
-	for (index = 0; index < phba->params.cxns_per_ctrl; index += 2) {
+	for (index = 0; index < phba->params.cxns_per_ctrl * 2; index += 2) {
 		pwrb_context = &phwi_ctrlr->wrb_context[index];
 		if (num_cxn_wrb) {
 			for (j = 0; j < phba->params.wrbs_per_cxn; j++) {
@@ -3073,14 +3190,18 @@ static unsigned char hwi_enable_intr(struct beiscsi_hba *phba)
 		reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK;
 		SE_DEBUG(DBG_LVL_8, "reg =x%08x addr=%p \n", reg, addr);
 		iowrite32(reg, addr);
-		for (i = 0; i <= phba->num_cpus; i++) {
-			eq = &phwi_context->be_eq[i].q;
+		if (!phba->msix_enabled) {
+			eq = &phwi_context->be_eq[0].q;
 			SE_DEBUG(DBG_LVL_8, "eq->id=%d \n", eq->id);
 			hwi_ring_eq_db(phba, eq->id, 0, 0, 1, 1);
+		} else {
+			for (i = 0; i <= phba->num_cpus; i++) {
+				eq = &phwi_context->be_eq[i].q;
+				SE_DEBUG(DBG_LVL_8, "eq->id=%d \n", eq->id);
+				hwi_ring_eq_db(phba, eq->id, 0, 0, 1, 1);
+			}
 		}
-	} else
-		shost_printk(KERN_WARNING, phba->shost,
-			     "In hwi_enable_intr, Not Enabled \n");
+	}
 	return true;
 }
 
@@ -3476,19 +3597,13 @@ static int beiscsi_iotask(struct iscsi_task *task, struct scatterlist *sg,
 
 static int beiscsi_mtask(struct iscsi_task *task)
 {
-	struct beiscsi_io_task *aborted_io_task, *io_task = task->dd_data;
+	struct beiscsi_io_task *io_task = task->dd_data;
 	struct iscsi_conn *conn = task->conn;
 	struct beiscsi_conn *beiscsi_conn = conn->dd_data;
 	struct beiscsi_hba *phba = beiscsi_conn->phba;
-	struct iscsi_session *session;
 	struct iscsi_wrb *pwrb = NULL;
-	struct hwi_controller *phwi_ctrlr;
-	struct hwi_wrb_context *pwrb_context;
-	struct wrb_handle *pwrb_handle;
 	unsigned int doorbell = 0;
-	unsigned int i, cid;
-	struct iscsi_task *aborted_task;
-	unsigned int tag;
+	unsigned int cid;
 
 	cid = beiscsi_conn->beiscsi_conn_cid;
 	pwrb = io_task->pwrb_handle->pwrb;
@@ -3499,6 +3614,7 @@ static int beiscsi_mtask(struct iscsi_task *task)
 		      io_task->pwrb_handle->wrb_index);
 	AMAP_SET_BITS(struct amap_iscsi_wrb, sgl_icd_idx, pwrb,
 		      io_task->psgl_handle->sgl_index);
+
 	switch (task->hdr->opcode & ISCSI_OPCODE_MASK) {
 	case ISCSI_OP_LOGIN:
 		AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
@@ -3523,33 +3639,6 @@ static int beiscsi_mtask(struct iscsi_task *task)
 		hwi_write_buffer(pwrb, task);
 		break;
 	case ISCSI_OP_SCSI_TMFUNC:
-		session = conn->session;
-		i = ((struct iscsi_tm *)task->hdr)->rtt;
-		phwi_ctrlr = phba->phwi_ctrlr;
-		pwrb_context = &phwi_ctrlr->wrb_context[cid -
-					    phba->fw_config.iscsi_cid_start];
-		pwrb_handle = pwrb_context->pwrb_handle_basestd[be32_to_cpu(i)
-								>> 16];
-		aborted_task = pwrb_handle->pio_handle;
-		 if (!aborted_task)
-			return 0;
-
-		aborted_io_task = aborted_task->dd_data;
-		if (!aborted_io_task->scsi_cmnd)
-			return 0;
-
-		tag = mgmt_invalidate_icds(phba,
-				     aborted_io_task->psgl_handle->sgl_index,
-				     cid);
-		if (!tag) {
-			shost_printk(KERN_WARNING, phba->shost,
-				     "mgmt_invalidate_icds could not be"
-				     " submitted\n");
-		} else {
-			wait_event_interruptible(phba->ctrl.mcc_wait[tag],
-						 phba->ctrl.mcc_numtag[tag]);
-			free_mcc_tag(&phba->ctrl, tag);
-		}
 		AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
 			      INI_TMF_CMD);
 		AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0);
@@ -3558,7 +3647,7 @@ static int beiscsi_mtask(struct iscsi_task *task)
 	case ISCSI_OP_LOGOUT:
 		AMAP_SET_BITS(struct amap_iscsi_wrb, dmsg, pwrb, 0);
 		AMAP_SET_BITS(struct amap_iscsi_wrb, type, pwrb,
-				HWH_TYPE_LOGOUT);
+			      HWH_TYPE_LOGOUT);
 		hwi_write_buffer(pwrb, task);
 		break;
 
@@ -3584,17 +3673,12 @@ static int beiscsi_mtask(struct iscsi_task *task)
 
 static int beiscsi_task_xmit(struct iscsi_task *task)
 {
-	struct iscsi_conn *conn = task->conn;
 	struct beiscsi_io_task *io_task = task->dd_data;
 	struct scsi_cmnd *sc = task->sc;
-	struct beiscsi_conn *beiscsi_conn = conn->dd_data;
 	struct scatterlist *sg;
 	int num_sg;
 	unsigned int  writedir = 0, xferlen = 0;
 
-	SE_DEBUG(DBG_LVL_4, "\n cid=%d In beiscsi_task_xmit task=%p conn=%p \t"
-		 "beiscsi_conn=%p \n", beiscsi_conn->beiscsi_conn_cid,
-		 task, conn, beiscsi_conn);
 	if (!sc)
 		return beiscsi_mtask(task);
 
@@ -3699,7 +3783,6 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
 			" Failed in beiscsi_hba_alloc \n");
 		goto disable_pci;
 	}
-	SE_DEBUG(DBG_LVL_8, " phba = %p \n", phba);
 
 	switch (pcidev->device) {
 	case BE_DEVICE_ID1:
diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
index c53a80ab796c..87ec21280a37 100644
--- a/drivers/scsi/be2iscsi/be_main.h
+++ b/drivers/scsi/be2iscsi/be_main.h
@@ -257,6 +257,11 @@ struct hba_parameters {
 	unsigned int num_sge;
 };
 
+struct invalidate_command_table {
+	unsigned short icd;
+	unsigned short cid;
+} __packed;
+
 struct beiscsi_hba {
 	struct hba_parameters params;
 	struct hwi_controller *phwi_ctrlr;
@@ -329,6 +334,8 @@ struct beiscsi_hba {
 	struct work_struct work_cqs;	/* The work being queued */
 	struct be_ctrl_info ctrl;
 	unsigned int generation;
+	struct invalidate_command_table inv_tbl[128];
+
 };
 
 struct beiscsi_session {
@@ -491,8 +498,6 @@ struct hwi_async_entry {
 	struct list_head data_busy_list;
 };
 
-#define BE_MIN_ASYNC_ENTRIES 128
-
 struct hwi_async_pdu_context {
 	struct {
 		struct be_bus_address pa_base;
@@ -533,7 +538,7 @@ struct hwi_async_pdu_context {
 	 * This is a varying size list! Do not add anything
 	 * after this entry!!
 	 */
-	struct hwi_async_entry async_entry[BE_MIN_ASYNC_ENTRIES];
+	struct hwi_async_entry async_entry[BE2_MAX_SESSIONS * 2];
 };
 
 #define PDUCQE_CODE_MASK	0x0000003F
diff --git a/drivers/scsi/be2iscsi/be_mgmt.c b/drivers/scsi/be2iscsi/be_mgmt.c
index 317bcd042ced..72617b650a7e 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.c
+++ b/drivers/scsi/be2iscsi/be_mgmt.c
@@ -145,14 +145,15 @@ unsigned char mgmt_epfw_cleanup(struct beiscsi_hba *phba, unsigned short chute)
 }
 
 unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
-				   unsigned int icd, unsigned int cid)
+				struct invalidate_command_table *inv_tbl,
+				unsigned int num_invalidate, unsigned int cid)
 {
 	struct be_dma_mem nonemb_cmd;
 	struct be_ctrl_info *ctrl = &phba->ctrl;
 	struct be_mcc_wrb *wrb;
 	struct be_sge *sge;
 	struct invalidate_commands_params_in *req;
-	unsigned int tag = 0;
+	unsigned int i, tag = 0;
 
 	spin_lock(&ctrl->mbox_lock);
 	tag = alloc_mcc_tag(phba);
@@ -183,9 +184,12 @@ unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
 			sizeof(*req));
 	req->ref_handle = 0;
 	req->cleanup_type = CMD_ISCSI_COMMAND_INVALIDATE;
-	req->icd_count = 0;
-	req->table[req->icd_count].icd = icd;
-	req->table[req->icd_count].cid = cid;
+	for (i = 0; i < num_invalidate; i++) {
+		req->table[i].icd = inv_tbl->icd;
+		req->table[i].cid = inv_tbl->cid;
+		req->icd_count++;
+		inv_tbl++;
+	}
 	sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd.dma));
 	sge->pa_lo = cpu_to_le32(nonemb_cmd.dma & 0xFFFFFFFF);
 	sge->len = cpu_to_le32(nonemb_cmd.size);
diff --git a/drivers/scsi/be2iscsi/be_mgmt.h b/drivers/scsi/be2iscsi/be_mgmt.h
index ecead6a5aa56..3d316b82feb1 100644
--- a/drivers/scsi/be2iscsi/be_mgmt.h
+++ b/drivers/scsi/be2iscsi/be_mgmt.h
@@ -94,7 +94,8 @@ unsigned char mgmt_upload_connection(struct beiscsi_hba *phba,
 				     unsigned short cid,
 				     unsigned int upload_flag);
 unsigned char mgmt_invalidate_icds(struct beiscsi_hba *phba,
-				   unsigned int icd, unsigned int cid);
+				struct invalidate_command_table *inv_tbl,
+				unsigned int num_invalidate, unsigned int cid);
 
 struct iscsi_invalidate_connection_params_in {
 	struct be_cmd_req_hdr hdr;
@@ -116,11 +117,6 @@ union iscsi_invalidate_connection_params {
 	struct iscsi_invalidate_connection_params_out response;
 } __packed;
 
-struct invalidate_command_table {
-	unsigned short icd;
-	unsigned short cid;
-} __packed;
-
 struct invalidate_commands_params_in {
 	struct be_cmd_req_hdr hdr;
 	unsigned int ref_handle;
diff --git a/drivers/scsi/bfa/Makefile b/drivers/scsi/bfa/Makefile
index 1d6009490d1c..17e06cae71b2 100644
--- a/drivers/scsi/bfa/Makefile
+++ b/drivers/scsi/bfa/Makefile
@@ -2,14 +2,14 @@ obj-$(CONFIG_SCSI_BFA_FC) := bfa.o
 
 bfa-y := bfad.o bfad_intr.o bfad_os.o bfad_im.o bfad_attr.o bfad_fwimg.o
 
-bfa-y += bfa_core.o bfa_ioc.o bfa_iocfc.o bfa_fcxp.o bfa_lps.o
-bfa-y += bfa_hw_cb.o bfa_hw_ct.o bfa_intr.o bfa_timer.o bfa_rport.o 
+bfa-y += bfa_core.o bfa_ioc.o bfa_ioc_ct.o bfa_ioc_cb.o bfa_iocfc.o bfa_fcxp.o
+bfa-y += bfa_lps.o bfa_hw_cb.o bfa_hw_ct.o bfa_intr.o bfa_timer.o bfa_rport.o
 bfa-y += bfa_fcport.o bfa_port.o bfa_uf.o bfa_sgpg.o bfa_module.o bfa_ioim.o
 bfa-y += bfa_itnim.o bfa_fcpim.o bfa_tskim.o bfa_log.o bfa_log_module.o
 bfa-y += bfa_csdebug.o bfa_sm.o plog.o
 
-bfa-y += fcbuild.o fabric.o fcpim.o vfapi.o fcptm.o bfa_fcs.o bfa_fcs_port.o 
+bfa-y += fcbuild.o fabric.o fcpim.o vfapi.o fcptm.o bfa_fcs.o bfa_fcs_port.o
 bfa-y += bfa_fcs_uf.o bfa_fcs_lport.o fab.o fdmi.o ms.o ns.o scn.o loop.o
 bfa-y += lport_api.o n2n.o rport.o rport_api.o rport_ftrs.o vport.o
 
-ccflags-y := -I$(obj) -I$(obj)/include -I$(obj)/include/cna
+ccflags-y := -I$(obj) -I$(obj)/include -I$(obj)/include/cna -DBFA_PERF_BUILD
diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c
index 44e2d1155c51..0c08e185a766 100644
--- a/drivers/scsi/bfa/bfa_core.c
+++ b/drivers/scsi/bfa/bfa_core.c
@@ -385,6 +385,15 @@ bfa_debug_fwsave(struct bfa_s *bfa, void *trcdata, int *trclen)
 }
 
 /**
+ * Clear the saved firmware trace information of an IOC.
+ */
+void
+bfa_debug_fwsave_clear(struct bfa_s *bfa)
+{
+	bfa_ioc_debug_fwsave_clear(&bfa->ioc);
+}
+
+/**
  * 		Fetch firmware trace data.
  *
  * @param[in]		bfa			BFA instance
@@ -399,4 +408,14 @@ bfa_debug_fwtrc(struct bfa_s *bfa, void *trcdata, int *trclen)
 {
 	return bfa_ioc_debug_fwtrc(&bfa->ioc, trcdata, trclen);
 }
+
+/**
+ * Reset hw semaphore & usage cnt regs and initialize.
+ */
+void
+bfa_chip_reset(struct bfa_s *bfa)
+{
+	bfa_ioc_ownership_reset(&bfa->ioc);
+	bfa_ioc_pll_init(&bfa->ioc);
+}
 #endif
diff --git a/drivers/scsi/bfa/bfa_fcport.c b/drivers/scsi/bfa/bfa_fcport.c
index aef648b55dfc..c589488db0c1 100644
--- a/drivers/scsi/bfa/bfa_fcport.c
+++ b/drivers/scsi/bfa/bfa_fcport.c
@@ -23,40 +23,33 @@
 #include <cs/bfa_plog.h>
 #include <aen/bfa_aen_port.h>
 
-BFA_TRC_FILE(HAL, PPORT);
-BFA_MODULE(pport);
-
-#define bfa_pport_callback(__pport, __event) do {			\
-	if ((__pport)->bfa->fcs) {      \
-		(__pport)->event_cbfn((__pport)->event_cbarg, (__event));      \
-	} else {							\
-		(__pport)->hcb_event = (__event);      \
-		bfa_cb_queue((__pport)->bfa, &(__pport)->hcb_qe,	\
-		__bfa_cb_port_event, (__pport));      \
-	}								\
-} while (0)
+BFA_TRC_FILE(HAL, FCPORT);
+BFA_MODULE(fcport);
 
 /*
  * The port is considered disabled if corresponding physical port or IOC are
  * disabled explicitly
  */
 #define BFA_PORT_IS_DISABLED(bfa) \
-	((bfa_pport_is_disabled(bfa) == BFA_TRUE) || \
+	((bfa_fcport_is_disabled(bfa) == BFA_TRUE) || \
 	(bfa_ioc_is_disabled(&bfa->ioc) == BFA_TRUE))
 
 /*
  * forward declarations
  */
-static bfa_boolean_t bfa_pport_send_enable(struct bfa_pport_s *port);
-static bfa_boolean_t bfa_pport_send_disable(struct bfa_pport_s *port);
-static void     bfa_pport_update_linkinfo(struct bfa_pport_s *pport);
-static void     bfa_pport_reset_linkinfo(struct bfa_pport_s *pport);
-static void     bfa_pport_set_wwns(struct bfa_pport_s *port);
-static void     __bfa_cb_port_event(void *cbarg, bfa_boolean_t complete);
-static void     __bfa_cb_port_stats(void *cbarg, bfa_boolean_t complete);
-static void     __bfa_cb_port_stats_clr(void *cbarg, bfa_boolean_t complete);
-static void     bfa_port_stats_timeout(void *cbarg);
-static void     bfa_port_stats_clr_timeout(void *cbarg);
+static bfa_boolean_t bfa_fcport_send_enable(struct bfa_fcport_s *fcport);
+static bfa_boolean_t bfa_fcport_send_disable(struct bfa_fcport_s *fcport);
+static void     bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport);
+static void     bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport);
+static void     bfa_fcport_set_wwns(struct bfa_fcport_s *fcport);
+static void     __bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete);
+static void     bfa_fcport_callback(struct bfa_fcport_s *fcport,
+				enum bfa_pport_linkstate event);
+static void     bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln,
+				enum bfa_pport_linkstate event);
+static void     __bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete);
+static void     bfa_fcport_stats_get_timeout(void *cbarg);
+static void     bfa_fcport_stats_clr_timeout(void *cbarg);
 
 /**
  *  bfa_pport_private
@@ -65,111 +58,114 @@ static void     bfa_port_stats_clr_timeout(void *cbarg);
 /**
  * BFA port state machine events
  */
-enum bfa_pport_sm_event {
-	BFA_PPORT_SM_START = 1,	/*  start port state machine */
-	BFA_PPORT_SM_STOP = 2,	/*  stop port state machine */
-	BFA_PPORT_SM_ENABLE = 3,	/*  enable port */
-	BFA_PPORT_SM_DISABLE = 4,	/*  disable port state machine */
-	BFA_PPORT_SM_FWRSP = 5,	/*  firmware enable/disable rsp */
-	BFA_PPORT_SM_LINKUP = 6,	/*  firmware linkup event */
-	BFA_PPORT_SM_LINKDOWN = 7,	/*  firmware linkup down */
-	BFA_PPORT_SM_QRESUME = 8,	/*  CQ space available */
-	BFA_PPORT_SM_HWFAIL = 9,	/*  IOC h/w failure */
+enum bfa_fcport_sm_event {
+	BFA_FCPORT_SM_START = 1,	/*  start port state machine */
+	BFA_FCPORT_SM_STOP = 2,	/*  stop port state machine */
+	BFA_FCPORT_SM_ENABLE = 3,	/*  enable port */
+	BFA_FCPORT_SM_DISABLE = 4,	/*  disable port state machine */
+	BFA_FCPORT_SM_FWRSP = 5,	/*  firmware enable/disable rsp */
+	BFA_FCPORT_SM_LINKUP = 6,	/*  firmware linkup event */
+	BFA_FCPORT_SM_LINKDOWN = 7,	/*  firmware linkup down */
+	BFA_FCPORT_SM_QRESUME = 8,	/*  CQ space available */
+	BFA_FCPORT_SM_HWFAIL = 9,	/*  IOC h/w failure */
 };
 
-static void     bfa_pport_sm_uninit(struct bfa_pport_s *pport,
-				    enum bfa_pport_sm_event event);
-static void     bfa_pport_sm_enabling_qwait(struct bfa_pport_s *pport,
-					    enum bfa_pport_sm_event event);
-static void     bfa_pport_sm_enabling(struct bfa_pport_s *pport,
-				      enum bfa_pport_sm_event event);
-static void     bfa_pport_sm_linkdown(struct bfa_pport_s *pport,
-				      enum bfa_pport_sm_event event);
-static void     bfa_pport_sm_linkup(struct bfa_pport_s *pport,
-				    enum bfa_pport_sm_event event);
-static void     bfa_pport_sm_disabling(struct bfa_pport_s *pport,
-				       enum bfa_pport_sm_event event);
-static void     bfa_pport_sm_disabling_qwait(struct bfa_pport_s *pport,
-					     enum bfa_pport_sm_event event);
-static void     bfa_pport_sm_disabled(struct bfa_pport_s *pport,
-				      enum bfa_pport_sm_event event);
-static void     bfa_pport_sm_stopped(struct bfa_pport_s *pport,
-				     enum bfa_pport_sm_event event);
-static void     bfa_pport_sm_iocdown(struct bfa_pport_s *pport,
-				     enum bfa_pport_sm_event event);
-static void     bfa_pport_sm_iocfail(struct bfa_pport_s *pport,
-				     enum bfa_pport_sm_event event);
+/**
+ * BFA port link notification state machine events
+ */
+
+enum bfa_fcport_ln_sm_event {
+	BFA_FCPORT_LN_SM_LINKUP         = 1,    /*  linkup event */
+	BFA_FCPORT_LN_SM_LINKDOWN       = 2,    /*  linkdown event */
+	BFA_FCPORT_LN_SM_NOTIFICATION   = 3     /*  done notification */
+};
+
+static void     bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport,
+					enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
+						enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
+						enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
+						enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
+						enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport,
+						enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport,
+						enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
+						enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport,
+					 enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport,
+					 enum bfa_fcport_sm_event event);
+static void     bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
+					 enum bfa_fcport_sm_event event);
+
+static void     bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln,
+					 enum bfa_fcport_ln_sm_event event);
+static void     bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln,
+					 enum bfa_fcport_ln_sm_event event);
+static void     bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln,
+					 enum bfa_fcport_ln_sm_event event);
+static void     bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln,
+					 enum bfa_fcport_ln_sm_event event);
+static void     bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln,
+					 enum bfa_fcport_ln_sm_event event);
+static void     bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln,
+					 enum bfa_fcport_ln_sm_event event);
+static void     bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln,
+					 enum bfa_fcport_ln_sm_event event);
 
 static struct bfa_sm_table_s hal_pport_sm_table[] = {
-	{BFA_SM(bfa_pport_sm_uninit), BFA_PPORT_ST_UNINIT},
-	{BFA_SM(bfa_pport_sm_enabling_qwait), BFA_PPORT_ST_ENABLING_QWAIT},
-	{BFA_SM(bfa_pport_sm_enabling), BFA_PPORT_ST_ENABLING},
-	{BFA_SM(bfa_pport_sm_linkdown), BFA_PPORT_ST_LINKDOWN},
-	{BFA_SM(bfa_pport_sm_linkup), BFA_PPORT_ST_LINKUP},
-	{BFA_SM(bfa_pport_sm_disabling_qwait),
-	 BFA_PPORT_ST_DISABLING_QWAIT},
-	{BFA_SM(bfa_pport_sm_disabling), BFA_PPORT_ST_DISABLING},
-	{BFA_SM(bfa_pport_sm_disabled), BFA_PPORT_ST_DISABLED},
-	{BFA_SM(bfa_pport_sm_stopped), BFA_PPORT_ST_STOPPED},
-	{BFA_SM(bfa_pport_sm_iocdown), BFA_PPORT_ST_IOCDOWN},
-	{BFA_SM(bfa_pport_sm_iocfail), BFA_PPORT_ST_IOCDOWN},
+	{BFA_SM(bfa_fcport_sm_uninit), BFA_PPORT_ST_UNINIT},
+	{BFA_SM(bfa_fcport_sm_enabling_qwait), BFA_PPORT_ST_ENABLING_QWAIT},
+	{BFA_SM(bfa_fcport_sm_enabling), BFA_PPORT_ST_ENABLING},
+	{BFA_SM(bfa_fcport_sm_linkdown), BFA_PPORT_ST_LINKDOWN},
+	{BFA_SM(bfa_fcport_sm_linkup), BFA_PPORT_ST_LINKUP},
+	{BFA_SM(bfa_fcport_sm_disabling_qwait), BFA_PPORT_ST_DISABLING_QWAIT},
+	{BFA_SM(bfa_fcport_sm_disabling), BFA_PPORT_ST_DISABLING},
+	{BFA_SM(bfa_fcport_sm_disabled), BFA_PPORT_ST_DISABLED},
+	{BFA_SM(bfa_fcport_sm_stopped), BFA_PPORT_ST_STOPPED},
+	{BFA_SM(bfa_fcport_sm_iocdown), BFA_PPORT_ST_IOCDOWN},
+	{BFA_SM(bfa_fcport_sm_iocfail), BFA_PPORT_ST_IOCDOWN},
 };
 
 static void
-bfa_pport_aen_post(struct bfa_pport_s *pport, enum bfa_port_aen_event event)
+bfa_fcport_aen_post(struct bfa_fcport_s *fcport, enum bfa_port_aen_event event)
 {
 	union bfa_aen_data_u aen_data;
-	struct bfa_log_mod_s *logmod = pport->bfa->logm;
-	wwn_t           pwwn = pport->pwwn;
+	struct bfa_log_mod_s *logmod = fcport->bfa->logm;
+	wwn_t           pwwn = fcport->pwwn;
 	char            pwwn_ptr[BFA_STRING_32];
-	struct bfa_ioc_attr_s ioc_attr;
 
+	memset(&aen_data, 0, sizeof(aen_data));
 	wwn2str(pwwn_ptr, pwwn);
-	switch (event) {
-	case BFA_PORT_AEN_ONLINE:
-		bfa_log(logmod, BFA_AEN_PORT_ONLINE, pwwn_ptr);
-		break;
-	case BFA_PORT_AEN_OFFLINE:
-		bfa_log(logmod, BFA_AEN_PORT_OFFLINE, pwwn_ptr);
-		break;
-	case BFA_PORT_AEN_ENABLE:
-		bfa_log(logmod, BFA_AEN_PORT_ENABLE, pwwn_ptr);
-		break;
-	case BFA_PORT_AEN_DISABLE:
-		bfa_log(logmod, BFA_AEN_PORT_DISABLE, pwwn_ptr);
-		break;
-	case BFA_PORT_AEN_DISCONNECT:
-		bfa_log(logmod, BFA_AEN_PORT_DISCONNECT, pwwn_ptr);
-		break;
-	case BFA_PORT_AEN_QOS_NEG:
-		bfa_log(logmod, BFA_AEN_PORT_QOS_NEG, pwwn_ptr);
-		break;
-	default:
-		break;
-	}
+	bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, event), pwwn_ptr);
 
-	bfa_ioc_get_attr(&pport->bfa->ioc, &ioc_attr);
-	aen_data.port.ioc_type = ioc_attr.ioc_type;
+	aen_data.port.ioc_type = bfa_get_type(fcport->bfa);
 	aen_data.port.pwwn = pwwn;
 }
 
 static void
-bfa_pport_sm_uninit(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
+bfa_fcport_sm_uninit(struct bfa_fcport_s *fcport,
+			enum bfa_fcport_sm_event event)
 {
-	bfa_trc(pport->bfa, event);
+	bfa_trc(fcport->bfa, event);
 
 	switch (event) {
-	case BFA_PPORT_SM_START:
+	case BFA_FCPORT_SM_START:
 		/**
 		 * Start event after IOC is configured and BFA is started.
 		 */
-		if (bfa_pport_send_enable(pport))
-			bfa_sm_set_state(pport, bfa_pport_sm_enabling);
+		if (bfa_fcport_send_enable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
 		else
-			bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling_qwait);
 		break;
 
-	case BFA_PPORT_SM_ENABLE:
+	case BFA_FCPORT_SM_ENABLE:
 		/**
 		 * Port is persistently configured to be in enabled state. Do
 		 * not change state. Port enabling is done when START event is
@@ -177,389 +173,412 @@ bfa_pport_sm_uninit(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
 		 */
 		break;
 
-	case BFA_PPORT_SM_DISABLE:
+	case BFA_FCPORT_SM_DISABLE:
 		/**
 		 * If a port is persistently configured to be disabled, the
 		 * first event will a port disable request.
 		 */
-		bfa_sm_set_state(pport, bfa_pport_sm_disabled);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
 		break;
 
-	case BFA_PPORT_SM_HWFAIL:
-		bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
 		break;
 
 	default:
-		bfa_sm_fault(pport->bfa, event);
+		bfa_sm_fault(fcport->bfa, event);
 	}
 }
 
 static void
-bfa_pport_sm_enabling_qwait(struct bfa_pport_s *pport,
-			    enum bfa_pport_sm_event event)
+bfa_fcport_sm_enabling_qwait(struct bfa_fcport_s *fcport,
+			    enum bfa_fcport_sm_event event)
 {
-	bfa_trc(pport->bfa, event);
+	bfa_trc(fcport->bfa, event);
 
 	switch (event) {
-	case BFA_PPORT_SM_QRESUME:
-		bfa_sm_set_state(pport, bfa_pport_sm_enabling);
-		bfa_pport_send_enable(pport);
+	case BFA_FCPORT_SM_QRESUME:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
+		bfa_fcport_send_enable(fcport);
 		break;
 
-	case BFA_PPORT_SM_STOP:
-		bfa_reqq_wcancel(&pport->reqq_wait);
-		bfa_sm_set_state(pport, bfa_pport_sm_stopped);
+	case BFA_FCPORT_SM_STOP:
+		bfa_reqq_wcancel(&fcport->reqq_wait);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
 		break;
 
-	case BFA_PPORT_SM_ENABLE:
+	case BFA_FCPORT_SM_ENABLE:
 		/**
 		 * Already enable is in progress.
 		 */
 		break;
 
-	case BFA_PPORT_SM_DISABLE:
+	case BFA_FCPORT_SM_DISABLE:
 		/**
 		 * Just send disable request to firmware when room becomes
 		 * available in request queue.
 		 */
-		bfa_sm_set_state(pport, bfa_pport_sm_disabled);
-		bfa_reqq_wcancel(&pport->reqq_wait);
-		bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
+		bfa_reqq_wcancel(&fcport->reqq_wait);
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
 			     BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
-		bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
 		break;
 
-	case BFA_PPORT_SM_LINKUP:
-	case BFA_PPORT_SM_LINKDOWN:
+	case BFA_FCPORT_SM_LINKUP:
+	case BFA_FCPORT_SM_LINKDOWN:
 		/**
 		 * Possible to get link events when doing back-to-back
 		 * enable/disables.
 		 */
 		break;
 
-	case BFA_PPORT_SM_HWFAIL:
-		bfa_reqq_wcancel(&pport->reqq_wait);
-		bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_reqq_wcancel(&fcport->reqq_wait);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
 		break;
 
 	default:
-		bfa_sm_fault(pport->bfa, event);
+		bfa_sm_fault(fcport->bfa, event);
 	}
 }
 
 static void
-bfa_pport_sm_enabling(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
+bfa_fcport_sm_enabling(struct bfa_fcport_s *fcport,
+		enum bfa_fcport_sm_event event)
 {
-	bfa_trc(pport->bfa, event);
+	bfa_trc(fcport->bfa, event);
 
 	switch (event) {
-	case BFA_PPORT_SM_FWRSP:
-	case BFA_PPORT_SM_LINKDOWN:
-		bfa_sm_set_state(pport, bfa_pport_sm_linkdown);
+	case BFA_FCPORT_SM_FWRSP:
+	case BFA_FCPORT_SM_LINKDOWN:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown);
 		break;
 
-	case BFA_PPORT_SM_LINKUP:
-		bfa_pport_update_linkinfo(pport);
-		bfa_sm_set_state(pport, bfa_pport_sm_linkup);
+	case BFA_FCPORT_SM_LINKUP:
+		bfa_fcport_update_linkinfo(fcport);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_linkup);
 
-		bfa_assert(pport->event_cbfn);
-		bfa_pport_callback(pport, BFA_PPORT_LINKUP);
+		bfa_assert(fcport->event_cbfn);
+		bfa_fcport_callback(fcport, BFA_PPORT_LINKUP);
 		break;
 
-	case BFA_PPORT_SM_ENABLE:
+	case BFA_FCPORT_SM_ENABLE:
 		/**
 		 * Already being enabled.
 		 */
 		break;
 
-	case BFA_PPORT_SM_DISABLE:
-		if (bfa_pport_send_disable(pport))
-			bfa_sm_set_state(pport, bfa_pport_sm_disabling);
+	case BFA_FCPORT_SM_DISABLE:
+		if (bfa_fcport_send_disable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
 		else
-			bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait);
+			bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait);
 
-		bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
 			     BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
-		bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
 		break;
 
-	case BFA_PPORT_SM_STOP:
-		bfa_sm_set_state(pport, bfa_pport_sm_stopped);
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
 		break;
 
-	case BFA_PPORT_SM_HWFAIL:
-		bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
 		break;
 
 	default:
-		bfa_sm_fault(pport->bfa, event);
+		bfa_sm_fault(fcport->bfa, event);
 	}
 }
 
 static void
-bfa_pport_sm_linkdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
+bfa_fcport_sm_linkdown(struct bfa_fcport_s *fcport,
+			enum bfa_fcport_sm_event event)
 {
-	bfa_trc(pport->bfa, event);
+	struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event;
+	bfa_trc(fcport->bfa, event);
 
 	switch (event) {
-	case BFA_PPORT_SM_LINKUP:
-		bfa_pport_update_linkinfo(pport);
-		bfa_sm_set_state(pport, bfa_pport_sm_linkup);
-		bfa_assert(pport->event_cbfn);
-		bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
+	case BFA_FCPORT_SM_LINKUP:
+		bfa_fcport_update_linkinfo(fcport);
+		bfa_sm_set_state(fcport, bfa_fcport_sm_linkup);
+		bfa_assert(fcport->event_cbfn);
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
 			     BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkup");
-		bfa_pport_callback(pport, BFA_PPORT_LINKUP);
-		bfa_pport_aen_post(pport, BFA_PORT_AEN_ONLINE);
+
+		if (!bfa_ioc_get_fcmode(&fcport->bfa->ioc)) {
+
+			bfa_trc(fcport->bfa, pevent->link_state.fcf.fipenabled);
+			bfa_trc(fcport->bfa, pevent->link_state.fcf.fipfailed);
+
+			if (pevent->link_state.fcf.fipfailed)
+				bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+					BFA_PL_EID_FIP_FCF_DISC, 0,
+					"FIP FCF Discovery Failed");
+			else
+				bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
+					BFA_PL_EID_FIP_FCF_DISC, 0,
+					"FIP FCF Discovered");
+		}
+
+		bfa_fcport_callback(fcport, BFA_PPORT_LINKUP);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ONLINE);
 		/**
 		 * If QoS is enabled and it is not online,
 		 * Send a separate event.
 		 */
-		if ((pport->cfg.qos_enabled)
-		    && (bfa_os_ntohl(pport->qos_attr.state) != BFA_QOS_ONLINE))
-			bfa_pport_aen_post(pport, BFA_PORT_AEN_QOS_NEG);
+		if ((fcport->cfg.qos_enabled)
+		    && (bfa_os_ntohl(fcport->qos_attr.state) != BFA_QOS_ONLINE))
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_QOS_NEG);
 
 		break;
 
-	case BFA_PPORT_SM_LINKDOWN:
+	case BFA_FCPORT_SM_LINKDOWN:
 		/**
 		 * Possible to get link down event.
 		 */
 		break;
 
-	case BFA_PPORT_SM_ENABLE:
+	case BFA_FCPORT_SM_ENABLE:
 		/**
 		 * Already enabled.
 		 */
 		break;
 
-	case BFA_PPORT_SM_DISABLE:
-		if (bfa_pport_send_disable(pport))
-			bfa_sm_set_state(pport, bfa_pport_sm_disabling);
+	case BFA_FCPORT_SM_DISABLE:
+		if (bfa_fcport_send_disable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
 		else
-			bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait);
+			bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait);
 
-		bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
 			     BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
-		bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
 		break;
 
-	case BFA_PPORT_SM_STOP:
-		bfa_sm_set_state(pport, bfa_pport_sm_stopped);
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
 		break;
 
-	case BFA_PPORT_SM_HWFAIL:
-		bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
 		break;
 
 	default:
-		bfa_sm_fault(pport->bfa, event);
+		bfa_sm_fault(fcport->bfa, event);
 	}
 }
 
 static void
-bfa_pport_sm_linkup(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
+bfa_fcport_sm_linkup(struct bfa_fcport_s *fcport,
+			enum bfa_fcport_sm_event event)
 {
-	bfa_trc(pport->bfa, event);
+	bfa_trc(fcport->bfa, event);
 
 	switch (event) {
-	case BFA_PPORT_SM_ENABLE:
+	case BFA_FCPORT_SM_ENABLE:
 		/**
 		 * Already enabled.
 		 */
 		break;
 
-	case BFA_PPORT_SM_DISABLE:
-		if (bfa_pport_send_disable(pport))
-			bfa_sm_set_state(pport, bfa_pport_sm_disabling);
+	case BFA_FCPORT_SM_DISABLE:
+		if (bfa_fcport_send_disable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
 		else
-			bfa_sm_set_state(pport, bfa_pport_sm_disabling_qwait);
+			bfa_sm_set_state(fcport, bfa_fcport_sm_disabling_qwait);
 
-		bfa_pport_reset_linkinfo(pport);
-		bfa_pport_callback(pport, BFA_PPORT_LINKDOWN);
-		bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_callback(fcport, BFA_PPORT_LINKDOWN);
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
 			     BFA_PL_EID_PORT_DISABLE, 0, "Port Disable");
-		bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE);
-		bfa_pport_aen_post(pport, BFA_PORT_AEN_DISABLE);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISABLE);
 		break;
 
-	case BFA_PPORT_SM_LINKDOWN:
-		bfa_sm_set_state(pport, bfa_pport_sm_linkdown);
-		bfa_pport_reset_linkinfo(pport);
-		bfa_pport_callback(pport, BFA_PPORT_LINKDOWN);
-		bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
+	case BFA_FCPORT_SM_LINKDOWN:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_linkdown);
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_callback(fcport, BFA_PPORT_LINKDOWN);
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
 			     BFA_PL_EID_PORT_ST_CHANGE, 0, "Port Linkdown");
-		if (BFA_PORT_IS_DISABLED(pport->bfa))
-			bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE);
+		if (BFA_PORT_IS_DISABLED(fcport->bfa))
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
 		else
-			bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT);
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
 		break;
 
-	case BFA_PPORT_SM_STOP:
-		bfa_sm_set_state(pport, bfa_pport_sm_stopped);
-		bfa_pport_reset_linkinfo(pport);
-		if (BFA_PORT_IS_DISABLED(pport->bfa))
-			bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE);
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		bfa_fcport_reset_linkinfo(fcport);
+		if (BFA_PORT_IS_DISABLED(fcport->bfa))
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
 		else
-			bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT);
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
 		break;
 
-	case BFA_PPORT_SM_HWFAIL:
-		bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
-		bfa_pport_reset_linkinfo(pport);
-		bfa_pport_callback(pport, BFA_PPORT_LINKDOWN);
-		if (BFA_PORT_IS_DISABLED(pport->bfa))
-			bfa_pport_aen_post(pport, BFA_PORT_AEN_OFFLINE);
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
+		bfa_fcport_reset_linkinfo(fcport);
+		bfa_fcport_callback(fcport, BFA_PPORT_LINKDOWN);
+		if (BFA_PORT_IS_DISABLED(fcport->bfa))
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_OFFLINE);
 		else
-			bfa_pport_aen_post(pport, BFA_PORT_AEN_DISCONNECT);
+			bfa_fcport_aen_post(fcport, BFA_PORT_AEN_DISCONNECT);
 		break;
 
 	default:
-		bfa_sm_fault(pport->bfa, event);
+		bfa_sm_fault(fcport->bfa, event);
 	}
 }
 
 static void
-bfa_pport_sm_disabling_qwait(struct bfa_pport_s *pport,
-			     enum bfa_pport_sm_event event)
+bfa_fcport_sm_disabling_qwait(struct bfa_fcport_s *fcport,
+			     enum bfa_fcport_sm_event event)
 {
-	bfa_trc(pport->bfa, event);
+	bfa_trc(fcport->bfa, event);
 
 	switch (event) {
-	case BFA_PPORT_SM_QRESUME:
-		bfa_sm_set_state(pport, bfa_pport_sm_disabling);
-		bfa_pport_send_disable(pport);
+	case BFA_FCPORT_SM_QRESUME:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabling);
+		bfa_fcport_send_disable(fcport);
 		break;
 
-	case BFA_PPORT_SM_STOP:
-		bfa_sm_set_state(pport, bfa_pport_sm_stopped);
-		bfa_reqq_wcancel(&pport->reqq_wait);
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
+		bfa_reqq_wcancel(&fcport->reqq_wait);
 		break;
 
-	case BFA_PPORT_SM_DISABLE:
+	case BFA_FCPORT_SM_DISABLE:
 		/**
 		 * Already being disabled.
 		 */
 		break;
 
-	case BFA_PPORT_SM_LINKUP:
-	case BFA_PPORT_SM_LINKDOWN:
+	case BFA_FCPORT_SM_LINKUP:
+	case BFA_FCPORT_SM_LINKDOWN:
 		/**
 		 * Possible to get link events when doing back-to-back
 		 * enable/disables.
 		 */
 		break;
 
-	case BFA_PPORT_SM_HWFAIL:
-		bfa_sm_set_state(pport, bfa_pport_sm_iocfail);
-		bfa_reqq_wcancel(&pport->reqq_wait);
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
+		bfa_reqq_wcancel(&fcport->reqq_wait);
 		break;
 
 	default:
-		bfa_sm_fault(pport->bfa, event);
+		bfa_sm_fault(fcport->bfa, event);
 	}
 }
 
 static void
-bfa_pport_sm_disabling(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
+bfa_fcport_sm_disabling(struct bfa_fcport_s *fcport,
+			enum bfa_fcport_sm_event event)
 {
-	bfa_trc(pport->bfa, event);
+	bfa_trc(fcport->bfa, event);
 
 	switch (event) {
-	case BFA_PPORT_SM_FWRSP:
-		bfa_sm_set_state(pport, bfa_pport_sm_disabled);
+	case BFA_FCPORT_SM_FWRSP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
 		break;
 
-	case BFA_PPORT_SM_DISABLE:
+	case BFA_FCPORT_SM_DISABLE:
 		/**
 		 * Already being disabled.
 		 */
 		break;
 
-	case BFA_PPORT_SM_ENABLE:
-		if (bfa_pport_send_enable(pport))
-			bfa_sm_set_state(pport, bfa_pport_sm_enabling);
+	case BFA_FCPORT_SM_ENABLE:
+		if (bfa_fcport_send_enable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
 		else
-			bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling_qwait);
 
-		bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
 			     BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
-		bfa_pport_aen_post(pport, BFA_PORT_AEN_ENABLE);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
 		break;
 
-	case BFA_PPORT_SM_STOP:
-		bfa_sm_set_state(pport, bfa_pport_sm_stopped);
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
 		break;
 
-	case BFA_PPORT_SM_LINKUP:
-	case BFA_PPORT_SM_LINKDOWN:
+	case BFA_FCPORT_SM_LINKUP:
+	case BFA_FCPORT_SM_LINKDOWN:
 		/**
 		 * Possible to get link events when doing back-to-back
 		 * enable/disables.
 		 */
 		break;
 
-	case BFA_PPORT_SM_HWFAIL:
-		bfa_sm_set_state(pport, bfa_pport_sm_iocfail);
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
 		break;
 
 	default:
-		bfa_sm_fault(pport->bfa, event);
+		bfa_sm_fault(fcport->bfa, event);
 	}
 }
 
 static void
-bfa_pport_sm_disabled(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
+bfa_fcport_sm_disabled(struct bfa_fcport_s *fcport,
+			enum bfa_fcport_sm_event event)
 {
-	bfa_trc(pport->bfa, event);
+	bfa_trc(fcport->bfa, event);
 
 	switch (event) {
-	case BFA_PPORT_SM_START:
+	case BFA_FCPORT_SM_START:
 		/**
 		 * Ignore start event for a port that is disabled.
 		 */
 		break;
 
-	case BFA_PPORT_SM_STOP:
-		bfa_sm_set_state(pport, bfa_pport_sm_stopped);
+	case BFA_FCPORT_SM_STOP:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_stopped);
 		break;
 
-	case BFA_PPORT_SM_ENABLE:
-		if (bfa_pport_send_enable(pport))
-			bfa_sm_set_state(pport, bfa_pport_sm_enabling);
+	case BFA_FCPORT_SM_ENABLE:
+		if (bfa_fcport_send_enable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
 		else
-			bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling_qwait);
 
-		bfa_plog_str(pport->bfa->plog, BFA_PL_MID_HAL,
+		bfa_plog_str(fcport->bfa->plog, BFA_PL_MID_HAL,
 			     BFA_PL_EID_PORT_ENABLE, 0, "Port Enable");
-		bfa_pport_aen_post(pport, BFA_PORT_AEN_ENABLE);
+		bfa_fcport_aen_post(fcport, BFA_PORT_AEN_ENABLE);
 		break;
 
-	case BFA_PPORT_SM_DISABLE:
+	case BFA_FCPORT_SM_DISABLE:
 		/**
 		 * Already disabled.
 		 */
 		break;
 
-	case BFA_PPORT_SM_HWFAIL:
-		bfa_sm_set_state(pport, bfa_pport_sm_iocfail);
+	case BFA_FCPORT_SM_HWFAIL:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocfail);
 		break;
 
 	default:
-		bfa_sm_fault(pport->bfa, event);
+		bfa_sm_fault(fcport->bfa, event);
 	}
 }
 
 static void
-bfa_pport_sm_stopped(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
+bfa_fcport_sm_stopped(struct bfa_fcport_s *fcport,
+			enum bfa_fcport_sm_event event)
 {
-	bfa_trc(pport->bfa, event);
+	bfa_trc(fcport->bfa, event);
 
 	switch (event) {
-	case BFA_PPORT_SM_START:
-		if (bfa_pport_send_enable(pport))
-			bfa_sm_set_state(pport, bfa_pport_sm_enabling);
+	case BFA_FCPORT_SM_START:
+		if (bfa_fcport_send_enable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
 		else
-			bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling_qwait);
 		break;
 
 	default:
@@ -574,16 +593,17 @@ bfa_pport_sm_stopped(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
  * Port is enabled. IOC is down/failed.
  */
 static void
-bfa_pport_sm_iocdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
+bfa_fcport_sm_iocdown(struct bfa_fcport_s *fcport,
+			enum bfa_fcport_sm_event event)
 {
-	bfa_trc(pport->bfa, event);
+	bfa_trc(fcport->bfa, event);
 
 	switch (event) {
-	case BFA_PPORT_SM_START:
-		if (bfa_pport_send_enable(pport))
-			bfa_sm_set_state(pport, bfa_pport_sm_enabling);
+	case BFA_FCPORT_SM_START:
+		if (bfa_fcport_send_enable(fcport))
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling);
 		else
-			bfa_sm_set_state(pport, bfa_pport_sm_enabling_qwait);
+			bfa_sm_set_state(fcport, bfa_fcport_sm_enabling_qwait);
 		break;
 
 	default:
@@ -598,17 +618,18 @@ bfa_pport_sm_iocdown(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
  * Port is disabled. IOC is down/failed.
  */
 static void
-bfa_pport_sm_iocfail(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
+bfa_fcport_sm_iocfail(struct bfa_fcport_s *fcport,
+			enum bfa_fcport_sm_event event)
 {
-	bfa_trc(pport->bfa, event);
+	bfa_trc(fcport->bfa, event);
 
 	switch (event) {
-	case BFA_PPORT_SM_START:
-		bfa_sm_set_state(pport, bfa_pport_sm_disabled);
+	case BFA_FCPORT_SM_START:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_disabled);
 		break;
 
-	case BFA_PPORT_SM_ENABLE:
-		bfa_sm_set_state(pport, bfa_pport_sm_iocdown);
+	case BFA_FCPORT_SM_ENABLE:
+		bfa_sm_set_state(fcport, bfa_fcport_sm_iocdown);
 		break;
 
 	default:
@@ -619,41 +640,226 @@ bfa_pport_sm_iocfail(struct bfa_pport_s *pport, enum bfa_pport_sm_event event)
 	}
 }
 
+/**
+ * Link state is down
+ */
+static void
+bfa_fcport_ln_sm_dn(struct bfa_fcport_ln_s *ln,
+		enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKUP:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf);
+		bfa_fcport_queue_cb(ln, BFA_PPORT_LINKUP);
+		break;
+
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
+
+/**
+ * Link state is waiting for down notification
+ */
+static void
+bfa_fcport_ln_sm_dn_nf(struct bfa_fcport_ln_s *ln,
+		enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKUP:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf);
+		break;
+
+	case BFA_FCPORT_LN_SM_NOTIFICATION:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn);
+		break;
+
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
+
+/**
+ * Link state is waiting for down notification and there is a pending up
+ */
+static void
+bfa_fcport_ln_sm_dn_up_nf(struct bfa_fcport_ln_s *ln,
+		enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKDOWN:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
+		break;
+
+	case BFA_FCPORT_LN_SM_NOTIFICATION:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_nf);
+		bfa_fcport_queue_cb(ln, BFA_PPORT_LINKUP);
+		break;
+
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
+
+/**
+ * Link state is up
+ */
+static void
+bfa_fcport_ln_sm_up(struct bfa_fcport_ln_s *ln,
+		enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKDOWN:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
+		bfa_fcport_queue_cb(ln, BFA_PPORT_LINKDOWN);
+		break;
 
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
+
+/**
+ * Link state is waiting for up notification
+ */
+static void
+bfa_fcport_ln_sm_up_nf(struct bfa_fcport_ln_s *ln,
+		enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKDOWN:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf);
+		break;
+
+	case BFA_FCPORT_LN_SM_NOTIFICATION:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_up);
+		break;
+
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
+
+/**
+ * Link state is waiting for up notification and there is a pending down
+ */
+static void
+bfa_fcport_ln_sm_up_dn_nf(struct bfa_fcport_ln_s *ln,
+		enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKUP:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_up_nf);
+		break;
+
+	case BFA_FCPORT_LN_SM_NOTIFICATION:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_nf);
+		bfa_fcport_queue_cb(ln, BFA_PPORT_LINKDOWN);
+		break;
+
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
+
+/**
+ * Link state is waiting for up notification and there are pending down and up
+ */
+static void
+bfa_fcport_ln_sm_up_dn_up_nf(struct bfa_fcport_ln_s *ln,
+			enum bfa_fcport_ln_sm_event event)
+{
+	bfa_trc(ln->fcport->bfa, event);
+
+	switch (event) {
+	case BFA_FCPORT_LN_SM_LINKDOWN:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_up_dn_nf);
+		break;
+
+	case BFA_FCPORT_LN_SM_NOTIFICATION:
+		bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn_up_nf);
+		bfa_fcport_queue_cb(ln, BFA_PPORT_LINKDOWN);
+		break;
+
+	default:
+		bfa_sm_fault(ln->fcport->bfa, event);
+	}
+}
 
 /**
  *  bfa_pport_private
  */
 
 static void
-__bfa_cb_port_event(void *cbarg, bfa_boolean_t complete)
+__bfa_cb_fcport_event(void *cbarg, bfa_boolean_t complete)
 {
-	struct bfa_pport_s *pport = cbarg;
+	struct bfa_fcport_ln_s *ln = cbarg;
 
 	if (complete)
-		pport->event_cbfn(pport->event_cbarg, pport->hcb_event);
+		ln->fcport->event_cbfn(ln->fcport->event_cbarg, ln->ln_event);
+	else
+		bfa_sm_send_event(ln, BFA_FCPORT_LN_SM_NOTIFICATION);
 }
 
-#define PPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_pport_stats_u), \
+static void
+bfa_fcport_callback(struct bfa_fcport_s *fcport, enum bfa_pport_linkstate event)
+{
+	if (fcport->bfa->fcs) {
+		fcport->event_cbfn(fcport->event_cbarg, event);
+		return;
+	}
+
+	switch (event) {
+	case BFA_PPORT_LINKUP:
+		bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKUP);
+		break;
+	case BFA_PPORT_LINKDOWN:
+		bfa_sm_send_event(&fcport->ln, BFA_FCPORT_LN_SM_LINKDOWN);
+		break;
+	default:
+		bfa_assert(0);
+	}
+}
+
+static void
+bfa_fcport_queue_cb(struct bfa_fcport_ln_s *ln, enum bfa_pport_linkstate event)
+{
+	ln->ln_event = event;
+	bfa_cb_queue(ln->fcport->bfa, &ln->ln_qe, __bfa_cb_fcport_event, ln);
+}
+
+#define FCPORT_STATS_DMA_SZ (BFA_ROUNDUP(sizeof(union bfa_fcport_stats_u), \
 							BFA_CACHELINE_SZ))
 
 static void
-bfa_pport_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len,
+bfa_fcport_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *ndm_len,
 		  u32 *dm_len)
 {
-	*dm_len += PPORT_STATS_DMA_SZ;
+	*dm_len += FCPORT_STATS_DMA_SZ;
 }
 
 static void
-bfa_pport_qresume(void *cbarg)
+bfa_fcport_qresume(void *cbarg)
 {
-	struct bfa_pport_s *port = cbarg;
+	struct bfa_fcport_s *fcport = cbarg;
 
-	bfa_sm_send_event(port, BFA_PPORT_SM_QRESUME);
+	bfa_sm_send_event(fcport, BFA_FCPORT_SM_QRESUME);
 }
 
 static void
-bfa_pport_mem_claim(struct bfa_pport_s *pport, struct bfa_meminfo_s *meminfo)
+bfa_fcport_mem_claim(struct bfa_fcport_s *fcport, struct bfa_meminfo_s *meminfo)
 {
 	u8        *dm_kva;
 	u64        dm_pa;
@@ -661,12 +867,12 @@ bfa_pport_mem_claim(struct bfa_pport_s *pport, struct bfa_meminfo_s *meminfo)
 	dm_kva = bfa_meminfo_dma_virt(meminfo);
 	dm_pa = bfa_meminfo_dma_phys(meminfo);
 
-	pport->stats_kva = dm_kva;
-	pport->stats_pa = dm_pa;
-	pport->stats = (union bfa_pport_stats_u *)dm_kva;
+	fcport->stats_kva = dm_kva;
+	fcport->stats_pa = dm_pa;
+	fcport->stats = (union bfa_fcport_stats_u *)dm_kva;
 
-	dm_kva += PPORT_STATS_DMA_SZ;
-	dm_pa += PPORT_STATS_DMA_SZ;
+	dm_kva += FCPORT_STATS_DMA_SZ;
+	dm_pa += FCPORT_STATS_DMA_SZ;
 
 	bfa_meminfo_dma_virt(meminfo) = dm_kva;
 	bfa_meminfo_dma_phys(meminfo) = dm_pa;
@@ -676,18 +882,21 @@ bfa_pport_mem_claim(struct bfa_pport_s *pport, struct bfa_meminfo_s *meminfo)
  * Memory initialization.
  */
 static void
-bfa_pport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
+bfa_fcport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 		 struct bfa_meminfo_s *meminfo, struct bfa_pcidev_s *pcidev)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
-	struct bfa_pport_cfg_s *port_cfg = &pport->cfg;
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+	struct bfa_pport_cfg_s *port_cfg = &fcport->cfg;
+	struct bfa_fcport_ln_s *ln = &fcport->ln;
 
-	bfa_os_memset(pport, 0, sizeof(struct bfa_pport_s));
-	pport->bfa = bfa;
+	bfa_os_memset(fcport, 0, sizeof(struct bfa_fcport_s));
+	fcport->bfa = bfa;
+	ln->fcport = fcport;
 
-	bfa_pport_mem_claim(pport, meminfo);
+	bfa_fcport_mem_claim(fcport, meminfo);
 
-	bfa_sm_set_state(pport, bfa_pport_sm_uninit);
+	bfa_sm_set_state(fcport, bfa_fcport_sm_uninit);
+	bfa_sm_set_state(ln, bfa_fcport_ln_sm_dn);
 
 	/**
 	 * initialize and set default configuration
@@ -699,30 +908,30 @@ bfa_pport_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 
 	port_cfg->trl_def_speed = BFA_PPORT_SPEED_1GBPS;
 
-	bfa_reqq_winit(&pport->reqq_wait, bfa_pport_qresume, pport);
+	bfa_reqq_winit(&fcport->reqq_wait, bfa_fcport_qresume, fcport);
 }
 
 static void
-bfa_pport_initdone(struct bfa_s *bfa)
+bfa_fcport_initdone(struct bfa_s *bfa)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
 	/**
 	 * Initialize port attributes from IOC hardware data.
 	 */
-	bfa_pport_set_wwns(pport);
-	if (pport->cfg.maxfrsize == 0)
-		pport->cfg.maxfrsize = bfa_ioc_maxfrsize(&bfa->ioc);
-	pport->cfg.rx_bbcredit = bfa_ioc_rx_bbcredit(&bfa->ioc);
-	pport->speed_sup = bfa_ioc_speed_sup(&bfa->ioc);
+	bfa_fcport_set_wwns(fcport);
+	if (fcport->cfg.maxfrsize == 0)
+		fcport->cfg.maxfrsize = bfa_ioc_maxfrsize(&bfa->ioc);
+	fcport->cfg.rx_bbcredit = bfa_ioc_rx_bbcredit(&bfa->ioc);
+	fcport->speed_sup = bfa_ioc_speed_sup(&bfa->ioc);
 
-	bfa_assert(pport->cfg.maxfrsize);
-	bfa_assert(pport->cfg.rx_bbcredit);
-	bfa_assert(pport->speed_sup);
+	bfa_assert(fcport->cfg.maxfrsize);
+	bfa_assert(fcport->cfg.rx_bbcredit);
+	bfa_assert(fcport->speed_sup);
 }
 
 static void
-bfa_pport_detach(struct bfa_s *bfa)
+bfa_fcport_detach(struct bfa_s *bfa)
 {
 }
 
@@ -730,95 +939,97 @@ bfa_pport_detach(struct bfa_s *bfa)
  * Called when IOC is ready.
  */
 static void
-bfa_pport_start(struct bfa_s *bfa)
+bfa_fcport_start(struct bfa_s *bfa)
 {
-	bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_START);
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_START);
 }
 
 /**
  * Called before IOC is stopped.
  */
 static void
-bfa_pport_stop(struct bfa_s *bfa)
+bfa_fcport_stop(struct bfa_s *bfa)
 {
-	bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_STOP);
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_STOP);
 }
 
 /**
  * Called when IOC failure is detected.
  */
 static void
-bfa_pport_iocdisable(struct bfa_s *bfa)
+bfa_fcport_iocdisable(struct bfa_s *bfa)
 {
-	bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_HWFAIL);
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_HWFAIL);
 }
 
 static void
-bfa_pport_update_linkinfo(struct bfa_pport_s *pport)
+bfa_fcport_update_linkinfo(struct bfa_fcport_s *fcport)
 {
-	struct bfi_pport_event_s *pevent = pport->event_arg.i2hmsg.event;
+	struct bfi_fcport_event_s *pevent = fcport->event_arg.i2hmsg.event;
 
-	pport->speed = pevent->link_state.speed;
-	pport->topology = pevent->link_state.topology;
+	fcport->speed = pevent->link_state.speed;
+	fcport->topology = pevent->link_state.topology;
 
-	if (pport->topology == BFA_PPORT_TOPOLOGY_LOOP)
-		pport->myalpa = pevent->link_state.tl.loop_info.myalpa;
+	if (fcport->topology == BFA_PPORT_TOPOLOGY_LOOP)
+		fcport->myalpa =
+			pevent->link_state.tl.loop_info.myalpa;
 
 	/*
 	 * QoS Details
 	 */
-	bfa_os_assign(pport->qos_attr, pevent->link_state.qos_attr);
-	bfa_os_assign(pport->qos_vc_attr, pevent->link_state.qos_vc_attr);
+	bfa_os_assign(fcport->qos_attr, pevent->link_state.qos_attr);
+	bfa_os_assign(fcport->qos_vc_attr, pevent->link_state.qos_vc_attr);
 
-	bfa_trc(pport->bfa, pport->speed);
-	bfa_trc(pport->bfa, pport->topology);
+	bfa_trc(fcport->bfa, fcport->speed);
+	bfa_trc(fcport->bfa, fcport->topology);
 }
 
 static void
-bfa_pport_reset_linkinfo(struct bfa_pport_s *pport)
+bfa_fcport_reset_linkinfo(struct bfa_fcport_s *fcport)
 {
-	pport->speed = BFA_PPORT_SPEED_UNKNOWN;
-	pport->topology = BFA_PPORT_TOPOLOGY_NONE;
+	fcport->speed = BFA_PPORT_SPEED_UNKNOWN;
+	fcport->topology = BFA_PPORT_TOPOLOGY_NONE;
 }
 
 /**
  * Send port enable message to firmware.
  */
 static          bfa_boolean_t
-bfa_pport_send_enable(struct bfa_pport_s *port)
+bfa_fcport_send_enable(struct bfa_fcport_s *fcport)
 {
-	struct bfi_pport_enable_req_s *m;
+	struct bfi_fcport_enable_req_s *m;
 
 	/**
 	 * Increment message tag before queue check, so that responses to old
 	 * requests are discarded.
 	 */
-	port->msgtag++;
+	fcport->msgtag++;
 
 	/**
 	 * check for room in queue to send request now
 	 */
-	m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
+	m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
 	if (!m) {
-		bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->reqq_wait);
+		bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
+							&fcport->reqq_wait);
 		return BFA_FALSE;
 	}
 
-	bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_ENABLE_REQ,
-		    bfa_lpuid(port->bfa));
-	m->nwwn = port->nwwn;
-	m->pwwn = port->pwwn;
-	m->port_cfg = port->cfg;
-	m->msgtag = port->msgtag;
-	m->port_cfg.maxfrsize = bfa_os_htons(port->cfg.maxfrsize);
-	bfa_dma_be_addr_set(m->stats_dma_addr, port->stats_pa);
-	bfa_trc(port->bfa, m->stats_dma_addr.a32.addr_lo);
-	bfa_trc(port->bfa, m->stats_dma_addr.a32.addr_hi);
+	bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_ENABLE_REQ,
+				bfa_lpuid(fcport->bfa));
+	m->nwwn = fcport->nwwn;
+	m->pwwn = fcport->pwwn;
+	m->port_cfg = fcport->cfg;
+	m->msgtag = fcport->msgtag;
+	m->port_cfg.maxfrsize = bfa_os_htons(fcport->cfg.maxfrsize);
+	bfa_dma_be_addr_set(m->stats_dma_addr, fcport->stats_pa);
+	bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_lo);
+	bfa_trc(fcport->bfa, m->stats_dma_addr.a32.addr_hi);
 
 	/**
 	 * queue I/O message to firmware
 	 */
-	bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
+	bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT);
 	return BFA_TRUE;
 }
 
@@ -826,74 +1037,226 @@ bfa_pport_send_enable(struct bfa_pport_s *port)
  * Send port disable message to firmware.
  */
 static          bfa_boolean_t
-bfa_pport_send_disable(struct bfa_pport_s *port)
+bfa_fcport_send_disable(struct bfa_fcport_s *fcport)
 {
-	bfi_pport_disable_req_t *m;
+	struct bfi_fcport_req_s *m;
 
 	/**
 	 * Increment message tag before queue check, so that responses to old
 	 * requests are discarded.
 	 */
-	port->msgtag++;
+	fcport->msgtag++;
 
 	/**
 	 * check for room in queue to send request now
 	 */
-	m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
+	m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
 	if (!m) {
-		bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->reqq_wait);
+		bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
+							&fcport->reqq_wait);
 		return BFA_FALSE;
 	}
 
-	bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_DISABLE_REQ,
-		    bfa_lpuid(port->bfa));
-	m->msgtag = port->msgtag;
+	bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_DISABLE_REQ,
+			bfa_lpuid(fcport->bfa));
+	m->msgtag = fcport->msgtag;
 
 	/**
 	 * queue I/O message to firmware
 	 */
-	bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
+	bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT);
 
 	return BFA_TRUE;
 }
 
 static void
-bfa_pport_set_wwns(struct bfa_pport_s *port)
+bfa_fcport_set_wwns(struct bfa_fcport_s *fcport)
 {
-	port->pwwn = bfa_ioc_get_pwwn(&port->bfa->ioc);
-	port->nwwn = bfa_ioc_get_nwwn(&port->bfa->ioc);
+	fcport->pwwn = bfa_ioc_get_pwwn(&fcport->bfa->ioc);
+	fcport->nwwn = bfa_ioc_get_nwwn(&fcport->bfa->ioc);
 
-	bfa_trc(port->bfa, port->pwwn);
-	bfa_trc(port->bfa, port->nwwn);
+	bfa_trc(fcport->bfa, fcport->pwwn);
+	bfa_trc(fcport->bfa, fcport->nwwn);
 }
 
 static void
-bfa_port_send_txcredit(void *port_cbarg)
+bfa_fcport_send_txcredit(void *port_cbarg)
 {
 
-	struct bfa_pport_s *port = port_cbarg;
-	struct bfi_pport_set_svc_params_req_s *m;
+	struct bfa_fcport_s *fcport = port_cbarg;
+	struct bfi_fcport_set_svc_params_req_s *m;
 
 	/**
 	 * check for room in queue to send request now
 	 */
-	m = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
+	m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
 	if (!m) {
-		bfa_trc(port->bfa, port->cfg.tx_bbcredit);
+		bfa_trc(fcport->bfa, fcport->cfg.tx_bbcredit);
 		return;
 	}
 
-	bfi_h2i_set(m->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_SET_SVC_PARAMS_REQ,
-		    bfa_lpuid(port->bfa));
-	m->tx_bbcredit = bfa_os_htons((u16) port->cfg.tx_bbcredit);
+	bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ,
+			bfa_lpuid(fcport->bfa));
+	m->tx_bbcredit = bfa_os_htons((u16) fcport->cfg.tx_bbcredit);
 
 	/**
 	 * queue I/O message to firmware
 	 */
-	bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
+	bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT);
 }
 
+static void
+bfa_fcport_qos_stats_swap(struct bfa_qos_stats_s *d,
+	struct bfa_qos_stats_s *s)
+{
+	u32     *dip = (u32 *) d;
+	u32     *sip = (u32 *) s;
+	int             i;
+
+	/* Now swap the 32 bit fields */
+	for (i = 0; i < (sizeof(struct bfa_qos_stats_s)/sizeof(u32)); ++i)
+		dip[i] = bfa_os_ntohl(sip[i]);
+}
 
+static void
+bfa_fcport_fcoe_stats_swap(struct bfa_fcoe_stats_s *d,
+	struct bfa_fcoe_stats_s *s)
+{
+	u32     *dip = (u32 *) d;
+	u32     *sip = (u32 *) s;
+	int             i;
+
+	for (i = 0; i < ((sizeof(struct bfa_fcoe_stats_s))/sizeof(u32));
+		i = i + 2) {
+#ifdef __BIGENDIAN
+		dip[i] = bfa_os_ntohl(sip[i]);
+		dip[i + 1] = bfa_os_ntohl(sip[i + 1]);
+#else
+		dip[i] = bfa_os_ntohl(sip[i + 1]);
+		dip[i + 1] = bfa_os_ntohl(sip[i]);
+#endif
+	}
+}
+
+static void
+__bfa_cb_fcport_stats_get(void *cbarg, bfa_boolean_t complete)
+{
+	struct bfa_fcport_s *fcport = cbarg;
+
+	if (complete) {
+		if (fcport->stats_status == BFA_STATUS_OK) {
+
+			/* Swap FC QoS or FCoE stats */
+			if (bfa_ioc_get_fcmode(&fcport->bfa->ioc))
+				bfa_fcport_qos_stats_swap(
+					&fcport->stats_ret->fcqos,
+					&fcport->stats->fcqos);
+			else
+				bfa_fcport_fcoe_stats_swap(
+					&fcport->stats_ret->fcoe,
+					&fcport->stats->fcoe);
+		}
+		fcport->stats_cbfn(fcport->stats_cbarg, fcport->stats_status);
+	} else {
+		fcport->stats_busy = BFA_FALSE;
+		fcport->stats_status = BFA_STATUS_OK;
+	}
+}
+
+static void
+bfa_fcport_stats_get_timeout(void *cbarg)
+{
+	struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
+
+	bfa_trc(fcport->bfa, fcport->stats_qfull);
+
+	if (fcport->stats_qfull) {
+		bfa_reqq_wcancel(&fcport->stats_reqq_wait);
+		fcport->stats_qfull = BFA_FALSE;
+	}
+
+	fcport->stats_status = BFA_STATUS_ETIMER;
+	bfa_cb_queue(fcport->bfa, &fcport->hcb_qe, __bfa_cb_fcport_stats_get,
+		fcport);
+}
+
+static void
+bfa_fcport_send_stats_get(void *cbarg)
+{
+	struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
+	struct bfi_fcport_req_s *msg;
+
+	msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
+
+	if (!msg) {
+		fcport->stats_qfull = BFA_TRUE;
+		bfa_reqq_winit(&fcport->stats_reqq_wait,
+				bfa_fcport_send_stats_get, fcport);
+		bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
+				&fcport->stats_reqq_wait);
+		return;
+	}
+	fcport->stats_qfull = BFA_FALSE;
+
+	bfa_os_memset(msg, 0, sizeof(struct bfi_fcport_req_s));
+	bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_GET_REQ,
+		bfa_lpuid(fcport->bfa));
+	bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT);
+}
+
+static void
+__bfa_cb_fcport_stats_clr(void *cbarg, bfa_boolean_t complete)
+{
+	struct bfa_fcport_s *fcport = cbarg;
+
+	if (complete) {
+		fcport->stats_cbfn(fcport->stats_cbarg, fcport->stats_status);
+	} else {
+		fcport->stats_busy = BFA_FALSE;
+		fcport->stats_status = BFA_STATUS_OK;
+	}
+}
+
+static void
+bfa_fcport_stats_clr_timeout(void *cbarg)
+{
+	struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
+
+	bfa_trc(fcport->bfa, fcport->stats_qfull);
+
+	if (fcport->stats_qfull) {
+		bfa_reqq_wcancel(&fcport->stats_reqq_wait);
+		fcport->stats_qfull = BFA_FALSE;
+	}
+
+	fcport->stats_status = BFA_STATUS_ETIMER;
+	bfa_cb_queue(fcport->bfa, &fcport->hcb_qe,
+			__bfa_cb_fcport_stats_clr, fcport);
+}
+
+static void
+bfa_fcport_send_stats_clear(void *cbarg)
+{
+	struct bfa_fcport_s *fcport = (struct bfa_fcport_s *) cbarg;
+	struct bfi_fcport_req_s *msg;
+
+	msg = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT);
+
+	if (!msg) {
+		fcport->stats_qfull = BFA_TRUE;
+		bfa_reqq_winit(&fcport->stats_reqq_wait,
+				bfa_fcport_send_stats_clear, fcport);
+		bfa_reqq_wait(fcport->bfa, BFA_REQQ_PORT,
+				&fcport->stats_reqq_wait);
+		return;
+	}
+	fcport->stats_qfull = BFA_FALSE;
+
+	bfa_os_memset(msg, 0, sizeof(struct bfi_fcport_req_s));
+	bfi_h2i_set(msg->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_STATS_CLEAR_REQ,
+			bfa_lpuid(fcport->bfa));
+	bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT);
+}
 
 /**
  *  bfa_pport_public
@@ -903,32 +1266,32 @@ bfa_port_send_txcredit(void *port_cbarg)
  * Firmware message handler.
  */
 void
-bfa_pport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
+bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
-	union bfi_pport_i2h_msg_u i2hmsg;
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+	union bfi_fcport_i2h_msg_u i2hmsg;
 
 	i2hmsg.msg = msg;
-	pport->event_arg.i2hmsg = i2hmsg;
+	fcport->event_arg.i2hmsg = i2hmsg;
 
 	switch (msg->mhdr.msg_id) {
-	case BFI_PPORT_I2H_ENABLE_RSP:
-		if (pport->msgtag == i2hmsg.enable_rsp->msgtag)
-			bfa_sm_send_event(pport, BFA_PPORT_SM_FWRSP);
+	case BFI_FCPORT_I2H_ENABLE_RSP:
+		if (fcport->msgtag == i2hmsg.penable_rsp->msgtag)
+			bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
 		break;
 
-	case BFI_PPORT_I2H_DISABLE_RSP:
-		if (pport->msgtag == i2hmsg.enable_rsp->msgtag)
-			bfa_sm_send_event(pport, BFA_PPORT_SM_FWRSP);
+	case BFI_FCPORT_I2H_DISABLE_RSP:
+		if (fcport->msgtag == i2hmsg.penable_rsp->msgtag)
+			bfa_sm_send_event(fcport, BFA_FCPORT_SM_FWRSP);
 		break;
 
-	case BFI_PPORT_I2H_EVENT:
+	case BFI_FCPORT_I2H_EVENT:
 		switch (i2hmsg.event->link_state.linkstate) {
 		case BFA_PPORT_LINKUP:
-			bfa_sm_send_event(pport, BFA_PPORT_SM_LINKUP);
+			bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKUP);
 			break;
 		case BFA_PPORT_LINKDOWN:
-			bfa_sm_send_event(pport, BFA_PPORT_SM_LINKDOWN);
+			bfa_sm_send_event(fcport, BFA_FCPORT_SM_LINKDOWN);
 			break;
 		case BFA_PPORT_TRUNK_LINKDOWN:
 			/** todo: event notification */
@@ -936,42 +1299,40 @@ bfa_pport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
 		}
 		break;
 
-	case BFI_PPORT_I2H_GET_STATS_RSP:
-	case BFI_PPORT_I2H_GET_QOS_STATS_RSP:
+	case BFI_FCPORT_I2H_STATS_GET_RSP:
 		/*
 		 * check for timer pop before processing the rsp
 		 */
-		if (pport->stats_busy == BFA_FALSE
-		    || pport->stats_status == BFA_STATUS_ETIMER)
+		if (fcport->stats_busy == BFA_FALSE ||
+			fcport->stats_status == BFA_STATUS_ETIMER)
 			break;
 
-		bfa_timer_stop(&pport->timer);
-		pport->stats_status = i2hmsg.getstats_rsp->status;
-		bfa_cb_queue(pport->bfa, &pport->hcb_qe, __bfa_cb_port_stats,
-			     pport);
+		bfa_timer_stop(&fcport->timer);
+		fcport->stats_status = i2hmsg.pstatsget_rsp->status;
+		bfa_cb_queue(fcport->bfa, &fcport->hcb_qe,
+				__bfa_cb_fcport_stats_get, fcport);
 		break;
-	case BFI_PPORT_I2H_CLEAR_STATS_RSP:
-	case BFI_PPORT_I2H_CLEAR_QOS_STATS_RSP:
+
+	case BFI_FCPORT_I2H_STATS_CLEAR_RSP:
 		/*
 		 * check for timer pop before processing the rsp
 		 */
-		if (pport->stats_busy == BFA_FALSE
-		    || pport->stats_status == BFA_STATUS_ETIMER)
+		if (fcport->stats_busy == BFA_FALSE ||
+			fcport->stats_status == BFA_STATUS_ETIMER)
 			break;
 
-		bfa_timer_stop(&pport->timer);
-		pport->stats_status = BFA_STATUS_OK;
-		bfa_cb_queue(pport->bfa, &pport->hcb_qe,
-			     __bfa_cb_port_stats_clr, pport);
+		bfa_timer_stop(&fcport->timer);
+		fcport->stats_status = BFA_STATUS_OK;
+		bfa_cb_queue(fcport->bfa, &fcport->hcb_qe,
+				__bfa_cb_fcport_stats_clr, fcport);
 		break;
 
 	default:
 		bfa_assert(0);
+	break;
 	}
 }
 
-
-
 /**
  *  bfa_pport_api
  */
@@ -980,35 +1341,35 @@ bfa_pport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg)
  * Registered callback for port events.
  */
 void
-bfa_pport_event_register(struct bfa_s *bfa,
+bfa_fcport_event_register(struct bfa_s *bfa,
 			 void (*cbfn) (void *cbarg, bfa_pport_event_t event),
 			 void *cbarg)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	pport->event_cbfn = cbfn;
-	pport->event_cbarg = cbarg;
+	fcport->event_cbfn = cbfn;
+	fcport->event_cbarg = cbarg;
 }
 
 bfa_status_t
-bfa_pport_enable(struct bfa_s *bfa)
+bfa_fcport_enable(struct bfa_s *bfa)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	if (pport->diag_busy)
+	if (fcport->diag_busy)
 		return BFA_STATUS_DIAG_BUSY;
 	else if (bfa_sm_cmp_state
-		 (BFA_PORT_MOD(bfa), bfa_pport_sm_disabling_qwait))
+		 (BFA_FCPORT_MOD(bfa), bfa_fcport_sm_disabling_qwait))
 		return BFA_STATUS_DEVBUSY;
 
-	bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_ENABLE);
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_ENABLE);
 	return BFA_STATUS_OK;
 }
 
 bfa_status_t
-bfa_pport_disable(struct bfa_s *bfa)
+bfa_fcport_disable(struct bfa_s *bfa)
 {
-	bfa_sm_send_event(BFA_PORT_MOD(bfa), BFA_PPORT_SM_DISABLE);
+	bfa_sm_send_event(BFA_FCPORT_MOD(bfa), BFA_FCPORT_SM_DISABLE);
 	return BFA_STATUS_OK;
 }
 
@@ -1016,18 +1377,18 @@ bfa_pport_disable(struct bfa_s *bfa)
  * Configure port speed.
  */
 bfa_status_t
-bfa_pport_cfg_speed(struct bfa_s *bfa, enum bfa_pport_speed speed)
+bfa_fcport_cfg_speed(struct bfa_s *bfa, enum bfa_pport_speed speed)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
 	bfa_trc(bfa, speed);
 
-	if ((speed != BFA_PPORT_SPEED_AUTO) && (speed > pport->speed_sup)) {
-		bfa_trc(bfa, pport->speed_sup);
+	if ((speed != BFA_PPORT_SPEED_AUTO) && (speed > fcport->speed_sup)) {
+		bfa_trc(bfa, fcport->speed_sup);
 		return BFA_STATUS_UNSUPP_SPEED;
 	}
 
-	pport->cfg.speed = speed;
+	fcport->cfg.speed = speed;
 
 	return BFA_STATUS_OK;
 }
@@ -1036,23 +1397,23 @@ bfa_pport_cfg_speed(struct bfa_s *bfa, enum bfa_pport_speed speed)
  * Get current speed.
  */
 enum bfa_pport_speed
-bfa_pport_get_speed(struct bfa_s *bfa)
+bfa_fcport_get_speed(struct bfa_s *bfa)
 {
-	struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	return port->speed;
+	return fcport->speed;
 }
 
 /**
  * Configure port topology.
  */
 bfa_status_t
-bfa_pport_cfg_topology(struct bfa_s *bfa, enum bfa_pport_topology topology)
+bfa_fcport_cfg_topology(struct bfa_s *bfa, enum bfa_pport_topology topology)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
 	bfa_trc(bfa, topology);
-	bfa_trc(bfa, pport->cfg.topology);
+	bfa_trc(bfa, fcport->cfg.topology);
 
 	switch (topology) {
 	case BFA_PPORT_TOPOLOGY_P2P:
@@ -1064,7 +1425,7 @@ bfa_pport_cfg_topology(struct bfa_s *bfa, enum bfa_pport_topology topology)
 		return BFA_STATUS_EINVAL;
 	}
 
-	pport->cfg.topology = topology;
+	fcport->cfg.topology = topology;
 	return BFA_STATUS_OK;
 }
 
@@ -1072,64 +1433,64 @@ bfa_pport_cfg_topology(struct bfa_s *bfa, enum bfa_pport_topology topology)
  * Get current topology.
  */
 enum bfa_pport_topology
-bfa_pport_get_topology(struct bfa_s *bfa)
+bfa_fcport_get_topology(struct bfa_s *bfa)
 {
-	struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	return port->topology;
+	return fcport->topology;
 }
 
 bfa_status_t
-bfa_pport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa)
+bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
 	bfa_trc(bfa, alpa);
-	bfa_trc(bfa, pport->cfg.cfg_hardalpa);
-	bfa_trc(bfa, pport->cfg.hardalpa);
+	bfa_trc(bfa, fcport->cfg.cfg_hardalpa);
+	bfa_trc(bfa, fcport->cfg.hardalpa);
 
-	pport->cfg.cfg_hardalpa = BFA_TRUE;
-	pport->cfg.hardalpa = alpa;
+	fcport->cfg.cfg_hardalpa = BFA_TRUE;
+	fcport->cfg.hardalpa = alpa;
 
 	return BFA_STATUS_OK;
 }
 
 bfa_status_t
-bfa_pport_clr_hardalpa(struct bfa_s *bfa)
+bfa_fcport_clr_hardalpa(struct bfa_s *bfa)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	bfa_trc(bfa, pport->cfg.cfg_hardalpa);
-	bfa_trc(bfa, pport->cfg.hardalpa);
+	bfa_trc(bfa, fcport->cfg.cfg_hardalpa);
+	bfa_trc(bfa, fcport->cfg.hardalpa);
 
-	pport->cfg.cfg_hardalpa = BFA_FALSE;
+	fcport->cfg.cfg_hardalpa = BFA_FALSE;
 	return BFA_STATUS_OK;
 }
 
 bfa_boolean_t
-bfa_pport_get_hardalpa(struct bfa_s *bfa, u8 *alpa)
+bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa)
 {
-	struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	*alpa = port->cfg.hardalpa;
-	return port->cfg.cfg_hardalpa;
+	*alpa = fcport->cfg.hardalpa;
+	return fcport->cfg.cfg_hardalpa;
 }
 
 u8
-bfa_pport_get_myalpa(struct bfa_s *bfa)
+bfa_fcport_get_myalpa(struct bfa_s *bfa)
 {
-	struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	return port->myalpa;
+	return fcport->myalpa;
 }
 
 bfa_status_t
-bfa_pport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxfrsize)
+bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxfrsize)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
 	bfa_trc(bfa, maxfrsize);
-	bfa_trc(bfa, pport->cfg.maxfrsize);
+	bfa_trc(bfa, fcport->cfg.maxfrsize);
 
 	/*
 	 * with in range
@@ -1143,41 +1504,41 @@ bfa_pport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxfrsize)
 	if ((maxfrsize != FC_MAX_PDUSZ) && (maxfrsize & (maxfrsize - 1)))
 		return BFA_STATUS_INVLD_DFSZ;
 
-	pport->cfg.maxfrsize = maxfrsize;
+	fcport->cfg.maxfrsize = maxfrsize;
 	return BFA_STATUS_OK;
 }
 
 u16
-bfa_pport_get_maxfrsize(struct bfa_s *bfa)
+bfa_fcport_get_maxfrsize(struct bfa_s *bfa)
 {
-	struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	return port->cfg.maxfrsize;
+	return fcport->cfg.maxfrsize;
 }
 
 u32
-bfa_pport_mypid(struct bfa_s *bfa)
+bfa_fcport_mypid(struct bfa_s *bfa)
 {
-	struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	return port->mypid;
+	return fcport->mypid;
 }
 
 u8
-bfa_pport_get_rx_bbcredit(struct bfa_s *bfa)
+bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa)
 {
-	struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	return port->cfg.rx_bbcredit;
+	return fcport->cfg.rx_bbcredit;
 }
 
 void
-bfa_pport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit)
+bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit)
 {
-	struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	port->cfg.tx_bbcredit = (u8) tx_bbcredit;
-	bfa_port_send_txcredit(port);
+	fcport->cfg.tx_bbcredit = (u8) tx_bbcredit;
+	bfa_fcport_send_txcredit(fcport);
 }
 
 /**
@@ -1185,302 +1546,192 @@ bfa_pport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit)
  */
 
 wwn_t
-bfa_pport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node)
+bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 	if (node)
-		return pport->nwwn;
+		return fcport->nwwn;
 	else
-		return pport->pwwn;
+		return fcport->pwwn;
 }
 
 void
-bfa_pport_get_attr(struct bfa_s *bfa, struct bfa_pport_attr_s *attr)
+bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_pport_attr_s *attr)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
 	bfa_os_memset(attr, 0, sizeof(struct bfa_pport_attr_s));
 
-	attr->nwwn = pport->nwwn;
-	attr->pwwn = pport->pwwn;
+	attr->nwwn = fcport->nwwn;
+	attr->pwwn = fcport->pwwn;
 
-	bfa_os_memcpy(&attr->pport_cfg, &pport->cfg,
+	bfa_os_memcpy(&attr->pport_cfg, &fcport->cfg,
 		      sizeof(struct bfa_pport_cfg_s));
 	/*
 	 * speed attributes
 	 */
-	attr->pport_cfg.speed = pport->cfg.speed;
-	attr->speed_supported = pport->speed_sup;
-	attr->speed = pport->speed;
+	attr->pport_cfg.speed = fcport->cfg.speed;
+	attr->speed_supported = fcport->speed_sup;
+	attr->speed = fcport->speed;
 	attr->cos_supported = FC_CLASS_3;
 
 	/*
 	 * topology attributes
 	 */
-	attr->pport_cfg.topology = pport->cfg.topology;
-	attr->topology = pport->topology;
+	attr->pport_cfg.topology = fcport->cfg.topology;
+	attr->topology = fcport->topology;
 
 	/*
 	 * beacon attributes
 	 */
-	attr->beacon = pport->beacon;
-	attr->link_e2e_beacon = pport->link_e2e_beacon;
-	attr->plog_enabled = bfa_plog_get_setting(pport->bfa->plog);
+	attr->beacon = fcport->beacon;
+	attr->link_e2e_beacon = fcport->link_e2e_beacon;
+	attr->plog_enabled = bfa_plog_get_setting(fcport->bfa->plog);
 
 	attr->pport_cfg.path_tov = bfa_fcpim_path_tov_get(bfa);
 	attr->pport_cfg.q_depth = bfa_fcpim_qdepth_get(bfa);
-	attr->port_state = bfa_sm_to_state(hal_pport_sm_table, pport->sm);
-	if (bfa_ioc_is_disabled(&pport->bfa->ioc))
+	attr->port_state = bfa_sm_to_state(hal_pport_sm_table, fcport->sm);
+	if (bfa_ioc_is_disabled(&fcport->bfa->ioc))
 		attr->port_state = BFA_PPORT_ST_IOCDIS;
-	else if (bfa_ioc_fw_mismatch(&pport->bfa->ioc))
+	else if (bfa_ioc_fw_mismatch(&fcport->bfa->ioc))
 		attr->port_state = BFA_PPORT_ST_FWMISMATCH;
 }
 
-static void
-bfa_port_stats_query(void *cbarg)
-{
-	struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
-	bfi_pport_get_stats_req_t *msg;
-
-	msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
-
-	if (!msg) {
-		port->stats_qfull = BFA_TRUE;
-		bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_stats_query,
-			       port);
-		bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait);
-		return;
-	}
-	port->stats_qfull = BFA_FALSE;
-
-	bfa_os_memset(msg, 0, sizeof(bfi_pport_get_stats_req_t));
-	bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_GET_STATS_REQ,
-		    bfa_lpuid(port->bfa));
-	bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
-
-	return;
-}
-
-static void
-bfa_port_stats_clear(void *cbarg)
-{
-	struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
-	bfi_pport_clear_stats_req_t *msg;
-
-	msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
+#define BFA_FCPORT_STATS_TOV	1000
 
-	if (!msg) {
-		port->stats_qfull = BFA_TRUE;
-		bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_stats_clear,
-			       port);
-		bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait);
-		return;
-	}
-	port->stats_qfull = BFA_FALSE;
-
-	bfa_os_memset(msg, 0, sizeof(bfi_pport_clear_stats_req_t));
-	bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_CLEAR_STATS_REQ,
-		    bfa_lpuid(port->bfa));
-	bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
-	return;
-}
-
-static void
-bfa_port_qos_stats_clear(void *cbarg)
+/**
+ * Fetch port attributes (FCQoS or FCoE).
+ */
+bfa_status_t
+bfa_fcport_get_stats(struct bfa_s *bfa, union bfa_fcport_stats_u *stats,
+		    bfa_cb_pport_t cbfn, void *cbarg)
 {
-	struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
-	bfi_pport_clear_qos_stats_req_t *msg;
-
-	msg = bfa_reqq_next(port->bfa, BFA_REQQ_PORT);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	if (!msg) {
-		port->stats_qfull = BFA_TRUE;
-		bfa_reqq_winit(&port->stats_reqq_wait, bfa_port_qos_stats_clear,
-			       port);
-		bfa_reqq_wait(port->bfa, BFA_REQQ_PORT, &port->stats_reqq_wait);
-		return;
+	if (fcport->stats_busy) {
+		bfa_trc(bfa, fcport->stats_busy);
+		return BFA_STATUS_DEVBUSY;
 	}
-	port->stats_qfull = BFA_FALSE;
 
-	bfa_os_memset(msg, 0, sizeof(bfi_pport_clear_qos_stats_req_t));
-	bfi_h2i_set(msg->mh, BFI_MC_FC_PORT, BFI_PPORT_H2I_CLEAR_QOS_STATS_REQ,
-		    bfa_lpuid(port->bfa));
-	bfa_reqq_produce(port->bfa, BFA_REQQ_PORT);
-	return;
-}
-
-static void
-bfa_pport_stats_swap(union bfa_pport_stats_u *d, union bfa_pport_stats_u *s)
-{
-	u32       *dip = (u32 *) d;
-	u32       *sip = (u32 *) s;
-	int             i;
+	fcport->stats_busy  = BFA_TRUE;
+	fcport->stats_ret   = stats;
+	fcport->stats_cbfn  = cbfn;
+	fcport->stats_cbarg = cbarg;
 
-	/*
-	 * Do 64 bit fields swap first
-	 */
-	for (i = 0;
-	     i <
-	     ((sizeof(union bfa_pport_stats_u) -
-	       sizeof(struct bfa_qos_stats_s)) / sizeof(u32)); i = i + 2) {
-#ifdef __BIGENDIAN
-		dip[i] = bfa_os_ntohl(sip[i]);
-		dip[i + 1] = bfa_os_ntohl(sip[i + 1]);
-#else
-		dip[i] = bfa_os_ntohl(sip[i + 1]);
-		dip[i + 1] = bfa_os_ntohl(sip[i]);
-#endif
-	}
+	bfa_fcport_send_stats_get(fcport);
 
-	/*
-	 * Now swap the 32 bit fields
-	 */
-	for (; i < (sizeof(union bfa_pport_stats_u) / sizeof(u32)); ++i)
-		dip[i] = bfa_os_ntohl(sip[i]);
+	bfa_timer_start(bfa, &fcport->timer, bfa_fcport_stats_get_timeout,
+		fcport, BFA_FCPORT_STATS_TOV);
+	return BFA_STATUS_OK;
 }
 
-static void
-__bfa_cb_port_stats_clr(void *cbarg, bfa_boolean_t complete)
+/**
+ * Reset port statistics (FCQoS or FCoE).
+ */
+bfa_status_t
+bfa_fcport_clear_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg)
 {
-	struct bfa_pport_s *port = cbarg;
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	if (complete) {
-		port->stats_cbfn(port->stats_cbarg, port->stats_status);
-	} else {
-		port->stats_busy = BFA_FALSE;
-		port->stats_status = BFA_STATUS_OK;
+	if (fcport->stats_busy) {
+		bfa_trc(bfa, fcport->stats_busy);
+		return BFA_STATUS_DEVBUSY;
 	}
-}
-
-static void
-bfa_port_stats_clr_timeout(void *cbarg)
-{
-	struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
 
-	bfa_trc(port->bfa, port->stats_qfull);
+	fcport->stats_busy = BFA_TRUE;
+	fcport->stats_cbfn = cbfn;
+	fcport->stats_cbarg = cbarg;
 
-	if (port->stats_qfull) {
-		bfa_reqq_wcancel(&port->stats_reqq_wait);
-		port->stats_qfull = BFA_FALSE;
-	}
+	bfa_fcport_send_stats_clear(fcport);
 
-	port->stats_status = BFA_STATUS_ETIMER;
-	bfa_cb_queue(port->bfa, &port->hcb_qe, __bfa_cb_port_stats_clr, port);
+	bfa_timer_start(bfa, &fcport->timer, bfa_fcport_stats_clr_timeout,
+			fcport, BFA_FCPORT_STATS_TOV);
+	return BFA_STATUS_OK;
 }
 
-static void
-__bfa_cb_port_stats(void *cbarg, bfa_boolean_t complete)
+/**
+ * Fetch FCQoS port statistics
+ */
+bfa_status_t
+bfa_fcport_get_qos_stats(struct bfa_s *bfa, union bfa_fcport_stats_u *stats,
+	bfa_cb_pport_t cbfn, void *cbarg)
 {
-	struct bfa_pport_s *port = cbarg;
+	/* Meaningful only for FC mode */
+	bfa_assert(bfa_ioc_get_fcmode(&bfa->ioc));
 
-	if (complete) {
-		if (port->stats_status == BFA_STATUS_OK)
-			bfa_pport_stats_swap(port->stats_ret, port->stats);
-		port->stats_cbfn(port->stats_cbarg, port->stats_status);
-	} else {
-		port->stats_busy = BFA_FALSE;
-		port->stats_status = BFA_STATUS_OK;
-	}
+	return bfa_fcport_get_stats(bfa, stats, cbfn, cbarg);
 }
 
-static void
-bfa_port_stats_timeout(void *cbarg)
+/**
+ * Reset FCoE port statistics
+ */
+bfa_status_t
+bfa_fcport_clear_qos_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg)
 {
-	struct bfa_pport_s *port = (struct bfa_pport_s *)cbarg;
-
-	bfa_trc(port->bfa, port->stats_qfull);
+	/* Meaningful only for FC mode */
+	bfa_assert(bfa_ioc_get_fcmode(&bfa->ioc));
 
-	if (port->stats_qfull) {
-		bfa_reqq_wcancel(&port->stats_reqq_wait);
-		port->stats_qfull = BFA_FALSE;
-	}
-
-	port->stats_status = BFA_STATUS_ETIMER;
-	bfa_cb_queue(port->bfa, &port->hcb_qe, __bfa_cb_port_stats, port);
+	return bfa_fcport_clear_stats(bfa, cbfn, cbarg);
 }
 
-#define BFA_PORT_STATS_TOV	1000
-
 /**
- * Fetch port attributes.
+ * Fetch FCQoS port statistics
  */
 bfa_status_t
-bfa_pport_get_stats(struct bfa_s *bfa, union bfa_pport_stats_u *stats,
-		    bfa_cb_pport_t cbfn, void *cbarg)
+bfa_fcport_get_fcoe_stats(struct bfa_s *bfa, union bfa_fcport_stats_u *stats,
+	bfa_cb_pport_t cbfn, void *cbarg)
 {
-	struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
-
-	if (port->stats_busy) {
-		bfa_trc(bfa, port->stats_busy);
-		return BFA_STATUS_DEVBUSY;
-	}
-
-	port->stats_busy = BFA_TRUE;
-	port->stats_ret = stats;
-	port->stats_cbfn = cbfn;
-	port->stats_cbarg = cbarg;
-
-	bfa_port_stats_query(port);
+	/* Meaningful only for FCoE mode */
+	bfa_assert(!bfa_ioc_get_fcmode(&bfa->ioc));
 
-	bfa_timer_start(bfa, &port->timer, bfa_port_stats_timeout, port,
-			BFA_PORT_STATS_TOV);
-	return BFA_STATUS_OK;
+	return bfa_fcport_get_stats(bfa, stats, cbfn, cbarg);
 }
 
+/**
+ * Reset FCoE port statistics
+ */
 bfa_status_t
-bfa_pport_clear_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg)
+bfa_fcport_clear_fcoe_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg)
 {
-	struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
-
-	if (port->stats_busy) {
-		bfa_trc(bfa, port->stats_busy);
-		return BFA_STATUS_DEVBUSY;
-	}
-
-	port->stats_busy = BFA_TRUE;
-	port->stats_cbfn = cbfn;
-	port->stats_cbarg = cbarg;
-
-	bfa_port_stats_clear(port);
+	/* Meaningful only for FCoE mode */
+	bfa_assert(!bfa_ioc_get_fcmode(&bfa->ioc));
 
-	bfa_timer_start(bfa, &port->timer, bfa_port_stats_clr_timeout, port,
-			BFA_PORT_STATS_TOV);
-	return BFA_STATUS_OK;
+	return bfa_fcport_clear_stats(bfa, cbfn, cbarg);
 }
 
 bfa_status_t
-bfa_pport_trunk_enable(struct bfa_s *bfa, u8 bitmap)
+bfa_fcport_trunk_enable(struct bfa_s *bfa, u8 bitmap)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
 	bfa_trc(bfa, bitmap);
-	bfa_trc(bfa, pport->cfg.trunked);
-	bfa_trc(bfa, pport->cfg.trunk_ports);
+	bfa_trc(bfa, fcport->cfg.trunked);
+	bfa_trc(bfa, fcport->cfg.trunk_ports);
 
 	if (!bitmap || (bitmap & (bitmap - 1)))
 		return BFA_STATUS_EINVAL;
 
-	pport->cfg.trunked = BFA_TRUE;
-	pport->cfg.trunk_ports = bitmap;
+	fcport->cfg.trunked = BFA_TRUE;
+	fcport->cfg.trunk_ports = bitmap;
 
 	return BFA_STATUS_OK;
 }
 
 void
-bfa_pport_qos_get_attr(struct bfa_s *bfa, struct bfa_qos_attr_s *qos_attr)
+bfa_fcport_qos_get_attr(struct bfa_s *bfa, struct bfa_qos_attr_s *qos_attr)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	qos_attr->state = bfa_os_ntohl(pport->qos_attr.state);
-	qos_attr->total_bb_cr = bfa_os_ntohl(pport->qos_attr.total_bb_cr);
+	qos_attr->state = bfa_os_ntohl(fcport->qos_attr.state);
+	qos_attr->total_bb_cr = bfa_os_ntohl(fcport->qos_attr.total_bb_cr);
 }
 
 void
-bfa_pport_qos_get_vc_attr(struct bfa_s *bfa,
+bfa_fcport_qos_get_vc_attr(struct bfa_s *bfa,
 			  struct bfa_qos_vc_attr_s *qos_vc_attr)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
-	struct bfa_qos_vc_attr_s *bfa_vc_attr = &pport->qos_vc_attr;
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+	struct bfa_qos_vc_attr_s *bfa_vc_attr = &fcport->qos_vc_attr;
 	u32        i = 0;
 
 	qos_vc_attr->total_vc_count = bfa_os_ntohs(bfa_vc_attr->total_vc_count);
@@ -1503,119 +1754,89 @@ bfa_pport_qos_get_vc_attr(struct bfa_s *bfa,
 }
 
 /**
- * Fetch QoS Stats.
- */
-bfa_status_t
-bfa_pport_get_qos_stats(struct bfa_s *bfa, union bfa_pport_stats_u *stats,
-			bfa_cb_pport_t cbfn, void *cbarg)
-{
-	/*
-	 * QoS stats is embedded in port stats
-	 */
-	return bfa_pport_get_stats(bfa, stats, cbfn, cbarg);
-}
-
-bfa_status_t
-bfa_pport_clear_qos_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn, void *cbarg)
-{
-	struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
-
-	if (port->stats_busy) {
-		bfa_trc(bfa, port->stats_busy);
-		return BFA_STATUS_DEVBUSY;
-	}
-
-	port->stats_busy = BFA_TRUE;
-	port->stats_cbfn = cbfn;
-	port->stats_cbarg = cbarg;
-
-	bfa_port_qos_stats_clear(port);
-
-	bfa_timer_start(bfa, &port->timer, bfa_port_stats_clr_timeout, port,
-			BFA_PORT_STATS_TOV);
-	return BFA_STATUS_OK;
-}
-
-/**
  * Fetch port attributes.
  */
 bfa_status_t
-bfa_pport_trunk_disable(struct bfa_s *bfa)
+bfa_fcport_trunk_disable(struct bfa_s *bfa)
 {
 	return BFA_STATUS_OK;
 }
 
 bfa_boolean_t
-bfa_pport_trunk_query(struct bfa_s *bfa, u32 *bitmap)
+bfa_fcport_trunk_query(struct bfa_s *bfa, u32 *bitmap)
 {
-	struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	*bitmap = port->cfg.trunk_ports;
-	return port->cfg.trunked;
+	*bitmap = fcport->cfg.trunk_ports;
+	return fcport->cfg.trunked;
 }
 
 bfa_boolean_t
-bfa_pport_is_disabled(struct bfa_s *bfa)
+bfa_fcport_is_disabled(struct bfa_s *bfa)
 {
-	struct bfa_pport_s *port = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	return bfa_sm_to_state(hal_pport_sm_table, port->sm) ==
+	return bfa_sm_to_state(hal_pport_sm_table, fcport->sm) ==
 		BFA_PPORT_ST_DISABLED;
 
 }
 
 bfa_boolean_t
-bfa_pport_is_ratelim(struct bfa_s *bfa)
+bfa_fcport_is_ratelim(struct bfa_s *bfa)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	return pport->cfg.ratelimit ? BFA_TRUE : BFA_FALSE;
+	return fcport->cfg.ratelimit ? BFA_TRUE : BFA_FALSE;
 
 }
 
 void
-bfa_pport_cfg_qos(struct bfa_s *bfa, bfa_boolean_t on_off)
+bfa_fcport_cfg_qos(struct bfa_s *bfa, bfa_boolean_t on_off)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
+	enum bfa_ioc_type_e ioc_type = bfa_get_type(bfa);
 
 	bfa_trc(bfa, on_off);
-	bfa_trc(bfa, pport->cfg.qos_enabled);
+	bfa_trc(bfa, fcport->cfg.qos_enabled);
+
+	bfa_trc(bfa, ioc_type);
 
-	pport->cfg.qos_enabled = on_off;
+	if (ioc_type == BFA_IOC_TYPE_FC)
+		fcport->cfg.qos_enabled = on_off;
 }
 
 void
-bfa_pport_cfg_ratelim(struct bfa_s *bfa, bfa_boolean_t on_off)
+bfa_fcport_cfg_ratelim(struct bfa_s *bfa, bfa_boolean_t on_off)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
 	bfa_trc(bfa, on_off);
-	bfa_trc(bfa, pport->cfg.ratelimit);
+	bfa_trc(bfa, fcport->cfg.ratelimit);
 
-	pport->cfg.ratelimit = on_off;
-	if (pport->cfg.trl_def_speed == BFA_PPORT_SPEED_UNKNOWN)
-		pport->cfg.trl_def_speed = BFA_PPORT_SPEED_1GBPS;
+	fcport->cfg.ratelimit = on_off;
+	if (fcport->cfg.trl_def_speed == BFA_PPORT_SPEED_UNKNOWN)
+		fcport->cfg.trl_def_speed = BFA_PPORT_SPEED_1GBPS;
 }
 
 /**
  * Configure default minimum ratelim speed
  */
 bfa_status_t
-bfa_pport_cfg_ratelim_speed(struct bfa_s *bfa, enum bfa_pport_speed speed)
+bfa_fcport_cfg_ratelim_speed(struct bfa_s *bfa, enum bfa_pport_speed speed)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
 	bfa_trc(bfa, speed);
 
 	/*
 	 * Auto and speeds greater than the supported speed, are invalid
 	 */
-	if ((speed == BFA_PPORT_SPEED_AUTO) || (speed > pport->speed_sup)) {
-		bfa_trc(bfa, pport->speed_sup);
+	if ((speed == BFA_PPORT_SPEED_AUTO) || (speed > fcport->speed_sup)) {
+		bfa_trc(bfa, fcport->speed_sup);
 		return BFA_STATUS_UNSUPP_SPEED;
 	}
 
-	pport->cfg.trl_def_speed = speed;
+	fcport->cfg.trl_def_speed = speed;
 
 	return BFA_STATUS_OK;
 }
@@ -1624,45 +1845,45 @@ bfa_pport_cfg_ratelim_speed(struct bfa_s *bfa, enum bfa_pport_speed speed)
  * Get default minimum ratelim speed
  */
 enum bfa_pport_speed
-bfa_pport_get_ratelim_speed(struct bfa_s *bfa)
+bfa_fcport_get_ratelim_speed(struct bfa_s *bfa)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
-	bfa_trc(bfa, pport->cfg.trl_def_speed);
-	return pport->cfg.trl_def_speed;
+	bfa_trc(bfa, fcport->cfg.trl_def_speed);
+	return fcport->cfg.trl_def_speed;
 
 }
 
 void
-bfa_pport_busy(struct bfa_s *bfa, bfa_boolean_t status)
+bfa_fcport_busy(struct bfa_s *bfa, bfa_boolean_t status)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
 	bfa_trc(bfa, status);
-	bfa_trc(bfa, pport->diag_busy);
+	bfa_trc(bfa, fcport->diag_busy);
 
-	pport->diag_busy = status;
+	fcport->diag_busy = status;
 }
 
 void
-bfa_pport_beacon(struct bfa_s *bfa, bfa_boolean_t beacon,
+bfa_fcport_beacon(struct bfa_s *bfa, bfa_boolean_t beacon,
 		 bfa_boolean_t link_e2e_beacon)
 {
-	struct bfa_pport_s *pport = BFA_PORT_MOD(bfa);
+	struct bfa_fcport_s *fcport = BFA_FCPORT_MOD(bfa);
 
 	bfa_trc(bfa, beacon);
 	bfa_trc(bfa, link_e2e_beacon);
-	bfa_trc(bfa, pport->beacon);
-	bfa_trc(bfa, pport->link_e2e_beacon);
+	bfa_trc(bfa, fcport->beacon);
+	bfa_trc(bfa, fcport->link_e2e_beacon);
 
-	pport->beacon = beacon;
-	pport->link_e2e_beacon = link_e2e_beacon;
+	fcport->beacon = beacon;
+	fcport->link_e2e_beacon = link_e2e_beacon;
 }
 
 bfa_boolean_t
-bfa_pport_is_linkup(struct bfa_s *bfa)
+bfa_fcport_is_linkup(struct bfa_s *bfa)
 {
-	return bfa_sm_cmp_state(BFA_PORT_MOD(bfa), bfa_pport_sm_linkup);
+	return bfa_sm_cmp_state(BFA_FCPORT_MOD(bfa), bfa_fcport_sm_linkup);
 }
 
 
diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c
index 7cb39a306ea9..3516172c597c 100644
--- a/drivers/scsi/bfa/bfa_fcs.c
+++ b/drivers/scsi/bfa/bfa_fcs.c
@@ -36,6 +36,7 @@
  * FCS sub-modules
  */
 struct bfa_fcs_mod_s {
+	void		(*attach) (struct bfa_fcs_s *fcs);
 	void            (*modinit) (struct bfa_fcs_s *fcs);
 	void            (*modexit) (struct bfa_fcs_s *fcs);
 };
@@ -43,12 +44,10 @@ struct bfa_fcs_mod_s {
 #define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit }
 
 static struct bfa_fcs_mod_s fcs_modules[] = {
-	BFA_FCS_MODULE(bfa_fcs_pport),
-	BFA_FCS_MODULE(bfa_fcs_uf),
-	BFA_FCS_MODULE(bfa_fcs_fabric),
-	BFA_FCS_MODULE(bfa_fcs_vport),
-	BFA_FCS_MODULE(bfa_fcs_rport),
-	BFA_FCS_MODULE(bfa_fcs_fcpim),
+	{ bfa_fcs_pport_attach, NULL, NULL },
+	{ bfa_fcs_uf_attach, NULL, NULL },
+	{ bfa_fcs_fabric_attach, bfa_fcs_fabric_modinit,
+	 bfa_fcs_fabric_modexit },
 };
 
 /**
@@ -71,16 +70,10 @@ bfa_fcs_exit_comp(void *fcs_cbarg)
  */
 
 /**
- * 		FCS instance initialization.
- *
- * 	param[in]		fcs		FCS instance
- * 	param[in]		bfa		BFA instance
- * 	param[in]		bfad		BFA driver instance
- *
- * 	return None
+ * fcs attach -- called once to initialize data structures at driver attach time
  */
 void
-bfa_fcs_init(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
+bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
 			bfa_boolean_t min_cfg)
 {
 	int             i;
@@ -95,7 +88,24 @@ bfa_fcs_init(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
 
 	for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) {
 		mod = &fcs_modules[i];
-		mod->modinit(fcs);
+		if (mod->attach)
+			mod->attach(fcs);
+	}
+}
+
+/**
+ * fcs initialization, called once after bfa initialization is complete
+ */
+void
+bfa_fcs_init(struct bfa_fcs_s *fcs)
+{
+	int             i;
+	struct bfa_fcs_mod_s  *mod;
+
+	for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) {
+		mod = &fcs_modules[i];
+		if (mod->modinit)
+			mod->modinit(fcs);
 	}
 }
 
@@ -127,6 +137,23 @@ bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs,
 }
 
 /**
+ *      @brief
+ *              FCS FDMI Driver Parameter Initialization
+ *
+ *      @param[in]              fcs             FCS instance
+ *      @param[in]              fdmi_enable     TRUE/FALSE
+ *
+ *      @return None
+ */
+void
+bfa_fcs_set_fdmi_param(struct bfa_fcs_s *fcs, bfa_boolean_t fdmi_enable)
+{
+
+	fcs->fdmi_enabled = fdmi_enable;
+
+}
+
+/**
  * 		FCS instance cleanup and exit.
  *
  * 	param[in]		fcs			FCS instance
@@ -143,10 +170,12 @@ bfa_fcs_exit(struct bfa_fcs_s *fcs)
 	nmods = sizeof(fcs_modules) / sizeof(fcs_modules[0]);
 
 	for (i = 0; i < nmods; i++) {
-		bfa_wc_up(&fcs->wc);
 
 		mod = &fcs_modules[i];
-		mod->modexit(fcs);
+		if (mod->modexit) {
+			bfa_wc_up(&fcs->wc);
+			mod->modexit(fcs);
+		}
 	}
 
 	bfa_wc_wait(&fcs->wc);
diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c
index c7ab257f10a7..7c1251c682d8 100644
--- a/drivers/scsi/bfa/bfa_fcs_lport.c
+++ b/drivers/scsi/bfa/bfa_fcs_lport.c
@@ -114,7 +114,7 @@ bfa_fcs_port_sm_uninit(struct bfa_fcs_port_s *port,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -136,7 +136,7 @@ bfa_fcs_port_sm_init(struct bfa_fcs_port_s *port, enum bfa_fcs_port_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -176,7 +176,7 @@ bfa_fcs_port_sm_online(struct bfa_fcs_port_s *port,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -214,7 +214,7 @@ bfa_fcs_port_sm_offline(struct bfa_fcs_port_s *port,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -234,7 +234,7 @@ bfa_fcs_port_sm_deleting(struct bfa_fcs_port_s *port,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -263,30 +263,8 @@ bfa_fcs_port_aen_post(struct bfa_fcs_port_s *port,
 
 	bfa_assert(role <= BFA_PORT_ROLE_FCP_MAX);
 
-	switch (event) {
-	case BFA_LPORT_AEN_ONLINE:
-		bfa_log(logmod, BFA_AEN_LPORT_ONLINE, lpwwn_ptr,
-			role_str[role / 2]);
-		break;
-	case BFA_LPORT_AEN_OFFLINE:
-		bfa_log(logmod, BFA_AEN_LPORT_OFFLINE, lpwwn_ptr,
-			role_str[role / 2]);
-		break;
-	case BFA_LPORT_AEN_NEW:
-		bfa_log(logmod, BFA_AEN_LPORT_NEW, lpwwn_ptr,
-			role_str[role / 2]);
-		break;
-	case BFA_LPORT_AEN_DELETE:
-		bfa_log(logmod, BFA_AEN_LPORT_DELETE, lpwwn_ptr,
-			role_str[role / 2]);
-		break;
-	case BFA_LPORT_AEN_DISCONNECT:
-		bfa_log(logmod, BFA_AEN_LPORT_DISCONNECT, lpwwn_ptr,
-			role_str[role / 2]);
-		break;
-	default:
-		break;
-	}
+	bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, event), lpwwn_ptr,
+		role_str[role/2]);
 
 	aen_data.lport.vf_id = port->fabric->vf_id;
 	aen_data.lport.roles = role;
@@ -873,36 +851,46 @@ bfa_fcs_port_is_online(struct bfa_fcs_port_s *port)
 }
 
 /**
- * Logical port initialization of base or virtual port.
- * Called by fabric for base port or by vport for virtual ports.
+ * Attach time initialization of logical ports.
  */
 void
-bfa_fcs_lport_init(struct bfa_fcs_port_s *lport, struct bfa_fcs_s *fcs,
-		   u16 vf_id, struct bfa_port_cfg_s *port_cfg,
-		   struct bfa_fcs_vport_s *vport)
+bfa_fcs_lport_attach(struct bfa_fcs_port_s *lport, struct bfa_fcs_s *fcs,
+		uint16_t vf_id, struct bfa_fcs_vport_s *vport)
 {
 	lport->fcs = fcs;
 	lport->fabric = bfa_fcs_vf_lookup(fcs, vf_id);
-	bfa_os_assign(lport->port_cfg, *port_cfg);
 	lport->vport = vport;
 	lport->lp_tag = (vport) ? bfa_lps_get_tag(vport->lps) :
 			 bfa_lps_get_tag(lport->fabric->lps);
 
 	INIT_LIST_HEAD(&lport->rport_q);
 	lport->num_rports = 0;
+}
+
+/**
+ * Logical port initialization of base or virtual port.
+ * Called by fabric for base port or by vport for virtual ports.
+ */
 
-	lport->bfad_port =
-		bfa_fcb_port_new(fcs->bfad, lport, lport->port_cfg.roles,
+void
+bfa_fcs_lport_init(struct bfa_fcs_port_s *lport,
+		struct bfa_port_cfg_s *port_cfg)
+{
+	struct bfa_fcs_vport_s *vport = lport->vport;
+
+	bfa_os_assign(lport->port_cfg, *port_cfg);
+
+	lport->bfad_port = bfa_fcb_port_new(lport->fcs->bfad, lport,
+				lport->port_cfg.roles,
 				lport->fabric->vf_drv,
 				vport ? vport->vport_drv : NULL);
+
 	bfa_fcs_port_aen_post(lport, BFA_LPORT_AEN_NEW);
 
 	bfa_sm_set_state(lport, bfa_fcs_port_sm_uninit);
 	bfa_sm_send_event(lport, BFA_FCS_PORT_SM_CREATE);
 }
 
-
-
 /**
  *  fcs_lport_api
  */
@@ -921,13 +909,20 @@ bfa_fcs_port_get_attr(struct bfa_fcs_port_s *port,
 	if (port->fabric) {
 		port_attr->port_type = bfa_fcs_fabric_port_type(port->fabric);
 		port_attr->loopback = bfa_fcs_fabric_is_loopback(port->fabric);
+		port_attr->authfail =
+				bfa_fcs_fabric_is_auth_failed(port->fabric);
 		port_attr->fabric_name = bfa_fcs_port_get_fabric_name(port);
 		memcpy(port_attr->fabric_ip_addr,
 		       bfa_fcs_port_get_fabric_ipaddr(port),
 		       BFA_FCS_FABRIC_IPADDR_SZ);
 
-		if (port->vport != NULL)
+		if (port->vport != NULL) {
 			port_attr->port_type = BFA_PPORT_TYPE_VPORT;
+			port_attr->fpma_mac =
+				bfa_lps_get_lp_mac(port->vport->lps);
+		} else
+			port_attr->fpma_mac =
+				bfa_lps_get_lp_mac(port->fabric->lps);
 
 	} else {
 		port_attr->port_type = BFA_PPORT_TYPE_UNKNOWN;
diff --git a/drivers/scsi/bfa/bfa_fcs_port.c b/drivers/scsi/bfa/bfa_fcs_port.c
index 9c4b24e62de1..3c27788cd527 100644
--- a/drivers/scsi/bfa/bfa_fcs_port.c
+++ b/drivers/scsi/bfa/bfa_fcs_port.c
@@ -55,14 +55,7 @@ bfa_fcs_pport_event_handler(void *cbarg, bfa_pport_event_t event)
 }
 
 void
-bfa_fcs_pport_modinit(struct bfa_fcs_s *fcs)
+bfa_fcs_pport_attach(struct bfa_fcs_s *fcs)
 {
-	bfa_pport_event_register(fcs->bfa, bfa_fcs_pport_event_handler,
-				     fcs);
-}
-
-void
-bfa_fcs_pport_modexit(struct bfa_fcs_s *fcs)
-{
-	bfa_fcs_modexit_comp(fcs);
+	bfa_fcport_event_register(fcs->bfa, bfa_fcs_pport_event_handler, fcs);
 }
diff --git a/drivers/scsi/bfa/bfa_fcs_uf.c b/drivers/scsi/bfa/bfa_fcs_uf.c
index ad01db6444b2..3d57d48bbae4 100644
--- a/drivers/scsi/bfa/bfa_fcs_uf.c
+++ b/drivers/scsi/bfa/bfa_fcs_uf.c
@@ -93,13 +93,7 @@ bfa_fcs_uf_recv(void *cbarg, struct bfa_uf_s *uf)
 }
 
 void
-bfa_fcs_uf_modinit(struct bfa_fcs_s *fcs)
+bfa_fcs_uf_attach(struct bfa_fcs_s *fcs)
 {
 	bfa_uf_recv_register(fcs->bfa, bfa_fcs_uf_recv, fcs);
 }
-
-void
-bfa_fcs_uf_modexit(struct bfa_fcs_s *fcs)
-{
-	bfa_fcs_modexit_comp(fcs);
-}
diff --git a/drivers/scsi/bfa/bfa_hw_cb.c b/drivers/scsi/bfa/bfa_hw_cb.c
index ede1438619e2..871a4e28575c 100644
--- a/drivers/scsi/bfa/bfa_hw_cb.c
+++ b/drivers/scsi/bfa/bfa_hw_cb.c
@@ -53,6 +53,18 @@ bfa_hwcb_reginit(struct bfa_s *bfa)
 }
 
 void
+bfa_hwcb_reqq_ack(struct bfa_s *bfa, int reqq)
+{
+}
+
+static void
+bfa_hwcb_reqq_ack_msix(struct bfa_s *bfa, int reqq)
+{
+	bfa_reg_write(bfa->iocfc.bfa_regs.intr_status,
+		__HFN_INT_CPE_Q0 << CPE_Q_NUM(bfa_ioc_pcifn(&bfa->ioc), reqq));
+}
+
+void
 bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq)
 {
 }
@@ -136,6 +148,7 @@ bfa_hwcb_msix_uninstall(struct bfa_s *bfa)
 void
 bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix)
 {
+	bfa->iocfc.hwif.hw_reqq_ack = bfa_hwcb_reqq_ack_msix;
 	bfa->iocfc.hwif.hw_rspq_ack = bfa_hwcb_rspq_ack_msix;
 }
 
diff --git a/drivers/scsi/bfa/bfa_hw_ct.c b/drivers/scsi/bfa/bfa_hw_ct.c
index 51ae5740e6e9..76ceb9a4bf2f 100644
--- a/drivers/scsi/bfa/bfa_hw_ct.c
+++ b/drivers/scsi/bfa/bfa_hw_ct.c
@@ -85,6 +85,15 @@ bfa_hwct_reginit(struct bfa_s *bfa)
 }
 
 void
+bfa_hwct_reqq_ack(struct bfa_s *bfa, int reqq)
+{
+	u32 r32;
+
+	r32 = bfa_reg_read(bfa->iocfc.bfa_regs.cpe_q_ctrl[reqq]);
+	bfa_reg_write(bfa->iocfc.bfa_regs.cpe_q_ctrl[reqq], r32);
+}
+
+void
 bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq)
 {
 	u32	r32;
diff --git a/drivers/scsi/bfa/bfa_intr.c b/drivers/scsi/bfa/bfa_intr.c
index b36540e4ed76..0eba3f930d5b 100644
--- a/drivers/scsi/bfa/bfa_intr.c
+++ b/drivers/scsi/bfa/bfa_intr.c
@@ -15,7 +15,7 @@
  * General Public License for more details.
  */
 #include <bfa.h>
-#include <bfi/bfi_cbreg.h>
+#include <bfi/bfi_ctreg.h>
 #include <bfa_port_priv.h>
 #include <bfa_intr_priv.h>
 #include <cs/bfa_debug.h>
@@ -34,6 +34,26 @@ bfa_msix_lpu(struct bfa_s *bfa)
 	bfa_ioc_mbox_isr(&bfa->ioc);
 }
 
+static void
+bfa_reqq_resume(struct bfa_s *bfa, int qid)
+{
+	struct list_head *waitq, *qe, *qen;
+	struct bfa_reqq_wait_s *wqe;
+
+	waitq = bfa_reqq(bfa, qid);
+	list_for_each_safe(qe, qen, waitq) {
+		/**
+		 * Callback only as long as there is room in request queue
+		 */
+		if (bfa_reqq_full(bfa, qid))
+			break;
+
+		list_del(qe);
+		wqe = (struct bfa_reqq_wait_s *) qe;
+		wqe->qresume(wqe->cbarg);
+	}
+}
+
 void
 bfa_msix_all(struct bfa_s *bfa, int vec)
 {
@@ -96,7 +116,8 @@ bfa_isr_enable(struct bfa_s *bfa)
 
 	bfa_msix_install(bfa);
 	intr_unmask = (__HFN_INT_ERR_EMC | __HFN_INT_ERR_LPU0 |
-		       __HFN_INT_ERR_LPU1 | __HFN_INT_ERR_PSS);
+		       __HFN_INT_ERR_LPU1 | __HFN_INT_ERR_PSS |
+		       __HFN_INT_LL_HALT);
 
 	if (pci_func == 0)
 		intr_unmask |= (__HFN_INT_CPE_Q0 | __HFN_INT_CPE_Q1 |
@@ -127,23 +148,18 @@ bfa_isr_disable(struct bfa_s *bfa)
 void
 bfa_msix_reqq(struct bfa_s *bfa, int qid)
 {
-	struct list_head 		*waitq, *qe, *qen;
-	struct bfa_reqq_wait_s	*wqe;
+	struct list_head *waitq;
 
 	qid &= (BFI_IOC_MAX_CQS - 1);
 
-	waitq = bfa_reqq(bfa, qid);
-	list_for_each_safe(qe, qen, waitq) {
-		/**
-		 * Callback only as long as there is room in request queue
-		 */
-		if (bfa_reqq_full(bfa, qid))
-			break;
+	bfa->iocfc.hwif.hw_reqq_ack(bfa, qid);
 
-		list_del(qe);
-		wqe = (struct bfa_reqq_wait_s *) qe;
-		wqe->qresume(wqe->cbarg);
-	}
+	/**
+	 * Resume any pending requests in the corresponding reqq.
+	 */
+	waitq = bfa_reqq(bfa, qid);
+	if (!list_empty(waitq))
+		bfa_reqq_resume(bfa, qid);
 }
 
 void
@@ -157,26 +173,27 @@ bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m)
 }
 
 void
-bfa_msix_rspq(struct bfa_s *bfa, int rsp_qid)
+bfa_msix_rspq(struct bfa_s *bfa, int qid)
 {
-	struct bfi_msg_s      *m;
-	u32        pi, ci;
+	struct bfi_msg_s *m;
+	u32 pi, ci;
+	struct list_head *waitq;
 
-	bfa_trc_fp(bfa, rsp_qid);
+	bfa_trc_fp(bfa, qid);
 
-	rsp_qid &= (BFI_IOC_MAX_CQS - 1);
+	qid &= (BFI_IOC_MAX_CQS - 1);
 
-	bfa->iocfc.hwif.hw_rspq_ack(bfa, rsp_qid);
+	bfa->iocfc.hwif.hw_rspq_ack(bfa, qid);
 
-	ci = bfa_rspq_ci(bfa, rsp_qid);
-	pi = bfa_rspq_pi(bfa, rsp_qid);
+	ci = bfa_rspq_ci(bfa, qid);
+	pi = bfa_rspq_pi(bfa, qid);
 
 	bfa_trc_fp(bfa, ci);
 	bfa_trc_fp(bfa, pi);
 
 	if (bfa->rme_process) {
 		while (ci != pi) {
-			m = bfa_rspq_elem(bfa, rsp_qid, ci);
+			m = bfa_rspq_elem(bfa, qid, ci);
 			bfa_assert_fp(m->mhdr.msg_class < BFI_MC_MAX);
 
 			bfa_isrs[m->mhdr.msg_class] (bfa, m);
@@ -188,25 +205,59 @@ bfa_msix_rspq(struct bfa_s *bfa, int rsp_qid)
 	/**
 	 * update CI
 	 */
-	bfa_rspq_ci(bfa, rsp_qid) = pi;
-	bfa_reg_write(bfa->iocfc.bfa_regs.rme_q_ci[rsp_qid], pi);
+	bfa_rspq_ci(bfa, qid) = pi;
+	bfa_reg_write(bfa->iocfc.bfa_regs.rme_q_ci[qid], pi);
 	bfa_os_mmiowb();
+
+	/**
+	 * Resume any pending requests in the corresponding reqq.
+	 */
+	waitq = bfa_reqq(bfa, qid);
+	if (!list_empty(waitq))
+		bfa_reqq_resume(bfa, qid);
 }
 
 void
 bfa_msix_lpu_err(struct bfa_s *bfa, int vec)
 {
-	u32 intr;
+	u32 intr, curr_value;
 
 	intr = bfa_reg_read(bfa->iocfc.bfa_regs.intr_status);
 
 	if (intr & (__HFN_INT_MBOX_LPU0 | __HFN_INT_MBOX_LPU1))
 		bfa_msix_lpu(bfa);
 
-	if (intr & (__HFN_INT_ERR_EMC |
-		    __HFN_INT_ERR_LPU0 | __HFN_INT_ERR_LPU1 |
-		    __HFN_INT_ERR_PSS))
+	intr &= (__HFN_INT_ERR_EMC | __HFN_INT_ERR_LPU0 |
+		__HFN_INT_ERR_LPU1 | __HFN_INT_ERR_PSS | __HFN_INT_LL_HALT);
+
+	if (intr) {
+		if (intr & __HFN_INT_LL_HALT) {
+			/**
+			 * If LL_HALT bit is set then FW Init Halt LL Port
+			 * Register needs to be cleared as well so Interrupt
+			 * Status Register will be cleared.
+			 */
+			curr_value = bfa_reg_read(bfa->ioc.ioc_regs.ll_halt);
+			curr_value &= ~__FW_INIT_HALT_P;
+			bfa_reg_write(bfa->ioc.ioc_regs.ll_halt, curr_value);
+		}
+
+		if (intr & __HFN_INT_ERR_PSS) {
+			/**
+			 * ERR_PSS bit needs to be cleared as well in case
+			 * interrups are shared so driver's interrupt handler is
+			 * still called eventhough it is already masked out.
+			 */
+			curr_value = bfa_reg_read(
+				bfa->ioc.ioc_regs.pss_err_status_reg);
+			curr_value &= __PSS_ERR_STATUS_SET;
+			bfa_reg_write(bfa->ioc.ioc_regs.pss_err_status_reg,
+				curr_value);
+		}
+
+		bfa_reg_write(bfa->iocfc.bfa_regs.intr_status, intr);
 		bfa_msix_errint(bfa, intr);
+	}
 }
 
 void
diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c
index 397d7e9eade5..e038bc9769f6 100644
--- a/drivers/scsi/bfa/bfa_ioc.c
+++ b/drivers/scsi/bfa/bfa_ioc.c
@@ -18,7 +18,7 @@
 #include <bfa.h>
 #include <bfa_ioc.h>
 #include <bfa_fwimg_priv.h>
-#include <bfa_trcmod_priv.h>
+#include <cna/bfa_cna_trcmod.h>
 #include <cs/bfa_debug.h>
 #include <bfi/bfi_ioc.h>
 #include <bfi/bfi_ctreg.h>
@@ -27,18 +27,17 @@
 #include <log/bfa_log_hal.h>
 #include <defs/bfa_defs_pci.h>
 
-BFA_TRC_FILE(HAL, IOC);
+BFA_TRC_FILE(CNA, IOC);
 
 /**
  * IOC local definitions
  */
 #define BFA_IOC_TOV		2000	/* msecs */
-#define BFA_IOC_HB_TOV		1000	/* msecs */
-#define BFA_IOC_HB_FAIL_MAX	4
-#define BFA_IOC_HWINIT_MAX	2
+#define BFA_IOC_HWSEM_TOV       500     /* msecs */
+#define BFA_IOC_HB_TOV          500     /* msecs */
+#define BFA_IOC_HWINIT_MAX      2
 #define BFA_IOC_FWIMG_MINSZ     (16 * 1024)
-#define BFA_IOC_TOV_RECOVER	(BFA_IOC_HB_FAIL_MAX * BFA_IOC_HB_TOV \
-				+ BFA_IOC_TOV)
+#define BFA_IOC_TOV_RECOVER      BFA_IOC_HB_TOV
 
 #define bfa_ioc_timer_start(__ioc)					\
 	bfa_timer_begin((__ioc)->timer_mod, &(__ioc)->ioc_timer,	\
@@ -51,12 +50,25 @@ BFA_TRC_FILE(HAL, IOC);
 	 (sizeof(struct bfa_trc_mod_s) -			\
 	  BFA_TRC_MAX * sizeof(struct bfa_trc_s)))
 #define BFA_DBG_FWTRC_OFF(_fn)	(BFI_IOC_TRC_OFF + BFA_DBG_FWTRC_LEN * (_fn))
-#define bfa_ioc_stats(_ioc, _stats)	((_ioc)->stats._stats++)
 
-#define BFA_FLASH_CHUNK_NO(off)         (off / BFI_FLASH_CHUNK_SZ_WORDS)
-#define BFA_FLASH_OFFSET_IN_CHUNK(off)  (off % BFI_FLASH_CHUNK_SZ_WORDS)
-#define BFA_FLASH_CHUNK_ADDR(chunkno)   (chunkno * BFI_FLASH_CHUNK_SZ_WORDS)
-bfa_boolean_t   bfa_auto_recover = BFA_FALSE;
+/**
+ * Asic specific macros : see bfa_hw_cb.c and bfa_hw_ct.c for details.
+ */
+
+#define bfa_ioc_firmware_lock(__ioc)                    \
+			((__ioc)->ioc_hwif->ioc_firmware_lock(__ioc))
+#define bfa_ioc_firmware_unlock(__ioc)                  \
+			((__ioc)->ioc_hwif->ioc_firmware_unlock(__ioc))
+#define bfa_ioc_fwimg_get_chunk(__ioc, __off)           \
+			((__ioc)->ioc_hwif->ioc_fwimg_get_chunk(__ioc, __off))
+#define bfa_ioc_fwimg_get_size(__ioc)                   \
+			((__ioc)->ioc_hwif->ioc_fwimg_get_size(__ioc))
+#define bfa_ioc_reg_init(__ioc) ((__ioc)->ioc_hwif->ioc_reg_init(__ioc))
+#define bfa_ioc_map_port(__ioc) ((__ioc)->ioc_hwif->ioc_map_port(__ioc))
+#define bfa_ioc_notify_hbfail(__ioc)                    \
+			((__ioc)->ioc_hwif->ioc_notify_hbfail(__ioc))
+
+bfa_boolean_t   bfa_auto_recover = BFA_TRUE;
 
 /*
  * forward declarations
@@ -64,7 +76,6 @@ bfa_boolean_t   bfa_auto_recover = BFA_FALSE;
 static void     bfa_ioc_aen_post(struct bfa_ioc_s *bfa,
 				 enum bfa_ioc_aen_event event);
 static void     bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc);
-static void     bfa_ioc_hw_sem_release(struct bfa_ioc_s *ioc);
 static void     bfa_ioc_hw_sem_get_cancel(struct bfa_ioc_s *ioc);
 static void     bfa_ioc_hwinit(struct bfa_ioc_s *ioc, bfa_boolean_t force);
 static void     bfa_ioc_timeout(void *ioc);
@@ -77,8 +88,6 @@ static void     bfa_ioc_reset(struct bfa_ioc_s *ioc, bfa_boolean_t force);
 static void     bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc);
 static void     bfa_ioc_mbox_hbfail(struct bfa_ioc_s *ioc);
 static void     bfa_ioc_recover(struct bfa_ioc_s *ioc);
-static bfa_boolean_t bfa_ioc_firmware_lock(struct bfa_ioc_s *ioc);
-static void     bfa_ioc_firmware_unlock(struct bfa_ioc_s *ioc);
 static void     bfa_ioc_disable_comp(struct bfa_ioc_s *ioc);
 static void     bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc);
 
@@ -508,14 +517,19 @@ bfa_ioc_sm_disabling(struct bfa_ioc_s *ioc, enum ioc_event event)
 	bfa_trc(ioc, event);
 
 	switch (event) {
-	case IOC_E_HWERROR:
 	case IOC_E_FWRSP_DISABLE:
 		bfa_ioc_timer_stop(ioc);
+		bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
+		break;
+
+	case IOC_E_HWERROR:
+		bfa_ioc_timer_stop(ioc);
 		/*
 		 * !!! fall through !!!
 		 */
 
 	case IOC_E_TIMEOUT:
+		bfa_reg_write(ioc->ioc_regs.ioc_fwstate, BFI_IOC_FAIL);
 		bfa_fsm_set_state(ioc, bfa_ioc_sm_disabled);
 		break;
 
@@ -608,15 +622,12 @@ bfa_ioc_sm_hbfail_entry(struct bfa_ioc_s *ioc)
 	 * Mark IOC as failed in hardware and stop firmware.
 	 */
 	bfa_ioc_lpu_stop(ioc);
-	bfa_reg_write(ioc->ioc_regs.ioc_fwstate, BFI_IOC_HBFAIL);
+	bfa_reg_write(ioc->ioc_regs.ioc_fwstate, BFI_IOC_FAIL);
 
-	if (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT) {
-		bfa_reg_write(ioc->ioc_regs.ll_halt, __FW_INIT_HALT_P);
-		/*
-		 * Wait for halt to take effect
-		 */
-		bfa_reg_read(ioc->ioc_regs.ll_halt);
-	}
+	/**
+	 * Notify other functions on HB failure.
+	 */
+	bfa_ioc_notify_hbfail(ioc);
 
 	/**
 	 * Notify driver and common modules registered for notification.
@@ -672,6 +683,12 @@ bfa_ioc_sm_hbfail(struct bfa_ioc_s *ioc, enum ioc_event event)
 		 */
 		break;
 
+	case IOC_E_HWERROR:
+		/*
+		 * HB failure notification, ignore.
+		 */
+		break;
+
 	default:
 		bfa_sm_fault(ioc, event);
 	}
@@ -700,7 +717,7 @@ bfa_ioc_disable_comp(struct bfa_ioc_s *ioc)
 	}
 }
 
-static void
+void
 bfa_ioc_sem_timeout(void *ioc_arg)
 {
 	struct bfa_ioc_s *ioc = (struct bfa_ioc_s *)ioc_arg;
@@ -708,26 +725,32 @@ bfa_ioc_sem_timeout(void *ioc_arg)
 	bfa_ioc_hw_sem_get(ioc);
 }
 
-static void
-bfa_ioc_usage_sem_get(struct bfa_ioc_s *ioc)
+bfa_boolean_t
+bfa_ioc_sem_get(bfa_os_addr_t sem_reg)
 {
-	u32        r32;
-	int             cnt = 0;
-#define BFA_SEM_SPINCNT	1000
+	u32 r32;
+	int cnt = 0;
+#define BFA_SEM_SPINCNT 3000
 
-	do {
-		r32 = bfa_reg_read(ioc->ioc_regs.ioc_usage_sem_reg);
+	r32 = bfa_reg_read(sem_reg);
+
+	while (r32 && (cnt < BFA_SEM_SPINCNT)) {
 		cnt++;
-		if (cnt > BFA_SEM_SPINCNT)
-			break;
-	} while (r32 != 0);
+		bfa_os_udelay(2);
+		r32 = bfa_reg_read(sem_reg);
+	}
+
+	if (r32 == 0)
+		return BFA_TRUE;
+
 	bfa_assert(cnt < BFA_SEM_SPINCNT);
+	return BFA_FALSE;
 }
 
-static void
-bfa_ioc_usage_sem_release(struct bfa_ioc_s *ioc)
+void
+bfa_ioc_sem_release(bfa_os_addr_t sem_reg)
 {
-	bfa_reg_write(ioc->ioc_regs.ioc_usage_sem_reg, 1);
+	bfa_reg_write(sem_reg, 1);
 }
 
 static void
@@ -737,7 +760,7 @@ bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc)
 
 	/**
 	 * First read to the semaphore register will return 0, subsequent reads
-	 * will return 1. Semaphore is released by writing 0 to the register
+	 * will return 1. Semaphore is released by writing 1 to the register
 	 */
 	r32 = bfa_reg_read(ioc->ioc_regs.ioc_sem_reg);
 	if (r32 == 0) {
@@ -746,10 +769,10 @@ bfa_ioc_hw_sem_get(struct bfa_ioc_s *ioc)
 	}
 
 	bfa_timer_begin(ioc->timer_mod, &ioc->sem_timer, bfa_ioc_sem_timeout,
-			ioc, BFA_IOC_TOV);
+			ioc, BFA_IOC_HWSEM_TOV);
 }
 
-static void
+void
 bfa_ioc_hw_sem_release(struct bfa_ioc_s *ioc)
 {
 	bfa_reg_write(ioc->ioc_regs.ioc_sem_reg, 1);
@@ -828,7 +851,7 @@ bfa_ioc_lpu_stop(struct bfa_ioc_s *ioc)
 /**
  * Get driver and firmware versions.
  */
-static void
+void
 bfa_ioc_fwver_get(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr)
 {
 	u32        pgnum, pgoff;
@@ -847,24 +870,10 @@ bfa_ioc_fwver_get(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr)
 	}
 }
 
-static u32 *
-bfa_ioc_fwimg_get_chunk(struct bfa_ioc_s *ioc, u32 off)
-{
-	if (ioc->ctdev)
-		return bfi_image_ct_get_chunk(off);
-	return bfi_image_cb_get_chunk(off);
-}
-
-static          u32
-bfa_ioc_fwimg_get_size(struct bfa_ioc_s *ioc)
-{
-return (ioc->ctdev) ? bfi_image_ct_size : bfi_image_cb_size;
-}
-
 /**
  * Returns TRUE if same.
  */
-static          bfa_boolean_t
+bfa_boolean_t
 bfa_ioc_fwver_cmp(struct bfa_ioc_s *ioc, struct bfi_ioc_image_hdr_s *fwhdr)
 {
 	struct bfi_ioc_image_hdr_s *drv_fwhdr;
@@ -921,95 +930,6 @@ bfa_ioc_fwver_valid(struct bfa_ioc_s *ioc)
 }
 
 /**
- * Return true if firmware of current driver matches the running firmware.
- */
-static          bfa_boolean_t
-bfa_ioc_firmware_lock(struct bfa_ioc_s *ioc)
-{
-	enum bfi_ioc_state ioc_fwstate;
-	u32        usecnt;
-	struct bfi_ioc_image_hdr_s fwhdr;
-
-	/**
-	 * Firmware match check is relevant only for CNA.
-	 */
-	if (!ioc->cna)
-		return BFA_TRUE;
-
-	/**
-	 * If bios boot (flash based) -- do not increment usage count
-	 */
-	if (bfa_ioc_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ)
-		return BFA_TRUE;
-
-	bfa_ioc_usage_sem_get(ioc);
-	usecnt = bfa_reg_read(ioc->ioc_regs.ioc_usage_reg);
-
-	/**
-	 * If usage count is 0, always return TRUE.
-	 */
-	if (usecnt == 0) {
-		bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, 1);
-		bfa_ioc_usage_sem_release(ioc);
-		bfa_trc(ioc, usecnt);
-		return BFA_TRUE;
-	}
-
-	ioc_fwstate = bfa_reg_read(ioc->ioc_regs.ioc_fwstate);
-	bfa_trc(ioc, ioc_fwstate);
-
-	/**
-	 * Use count cannot be non-zero and chip in uninitialized state.
-	 */
-	bfa_assert(ioc_fwstate != BFI_IOC_UNINIT);
-
-	/**
-	 * Check if another driver with a different firmware is active
-	 */
-	bfa_ioc_fwver_get(ioc, &fwhdr);
-	if (!bfa_ioc_fwver_cmp(ioc, &fwhdr)) {
-		bfa_ioc_usage_sem_release(ioc);
-		bfa_trc(ioc, usecnt);
-		return BFA_FALSE;
-	}
-
-	/**
-	 * Same firmware version. Increment the reference count.
-	 */
-	usecnt++;
-	bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, usecnt);
-	bfa_ioc_usage_sem_release(ioc);
-	bfa_trc(ioc, usecnt);
-	return BFA_TRUE;
-}
-
-static void
-bfa_ioc_firmware_unlock(struct bfa_ioc_s *ioc)
-{
-	u32        usecnt;
-
-	/**
-	 * Firmware lock is relevant only for CNA.
-	 * If bios boot (flash based) -- do not decrement usage count
-	 */
-	if (!ioc->cna || (bfa_ioc_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ))
-		return;
-
-	/**
-	 * decrement usage count
-	 */
-	bfa_ioc_usage_sem_get(ioc);
-	usecnt = bfa_reg_read(ioc->ioc_regs.ioc_usage_reg);
-	bfa_assert(usecnt > 0);
-
-	usecnt--;
-	bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, usecnt);
-	bfa_trc(ioc, usecnt);
-
-	bfa_ioc_usage_sem_release(ioc);
-}
-
-/**
  * Conditionally flush any pending message from firmware at start.
  */
 static void
@@ -1152,33 +1072,27 @@ bfa_ioc_send_getattr(struct bfa_ioc_s *ioc)
 static void
 bfa_ioc_hb_check(void *cbarg)
 {
-	struct bfa_ioc_s *ioc = cbarg;
-	u32        hb_count;
+	struct bfa_ioc_s  *ioc = cbarg;
+	u32     hb_count;
 
 	hb_count = bfa_reg_read(ioc->ioc_regs.heartbeat);
 	if (ioc->hb_count == hb_count) {
-		ioc->hb_fail++;
-	} else {
-		ioc->hb_count = hb_count;
-		ioc->hb_fail = 0;
-	}
-
-	if (ioc->hb_fail >= BFA_IOC_HB_FAIL_MAX) {
-		bfa_log(ioc->logm, BFA_LOG_HAL_HEARTBEAT_FAILURE, hb_count);
-		ioc->hb_fail = 0;
+		bfa_log(ioc->logm, BFA_LOG_HAL_HEARTBEAT_FAILURE,
+			hb_count);
 		bfa_ioc_recover(ioc);
 		return;
+	} else {
+		ioc->hb_count = hb_count;
 	}
 
 	bfa_ioc_mbox_poll(ioc);
-	bfa_timer_begin(ioc->timer_mod, &ioc->ioc_timer, bfa_ioc_hb_check, ioc,
-			BFA_IOC_HB_TOV);
+	bfa_timer_begin(ioc->timer_mod, &ioc->ioc_timer, bfa_ioc_hb_check,
+			ioc, BFA_IOC_HB_TOV);
 }
 
 static void
 bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc)
 {
-	ioc->hb_fail = 0;
 	ioc->hb_count = bfa_reg_read(ioc->ioc_regs.heartbeat);
 	bfa_timer_begin(ioc->timer_mod, &ioc->ioc_timer, bfa_ioc_hb_check, ioc,
 			BFA_IOC_HB_TOV);
@@ -1191,112 +1105,6 @@ bfa_ioc_hb_stop(struct bfa_ioc_s *ioc)
 }
 
 /**
- * Host to LPU mailbox message addresses
- */
-static struct {
-	u32        hfn_mbox, lpu_mbox, hfn_pgn;
-} iocreg_fnreg[] = {
-	{
-	HOSTFN0_LPU_MBOX0_0, LPU_HOSTFN0_MBOX0_0, HOST_PAGE_NUM_FN0}, {
-	HOSTFN1_LPU_MBOX0_8, LPU_HOSTFN1_MBOX0_8, HOST_PAGE_NUM_FN1}, {
-	HOSTFN2_LPU_MBOX0_0, LPU_HOSTFN2_MBOX0_0, HOST_PAGE_NUM_FN2}, {
-	HOSTFN3_LPU_MBOX0_8, LPU_HOSTFN3_MBOX0_8, HOST_PAGE_NUM_FN3}
-};
-
-/**
- * Host <-> LPU mailbox command/status registers - port 0
- */
-static struct {
-	u32        hfn, lpu;
-} iocreg_mbcmd_p0[] = {
-	{
-	HOSTFN0_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN0_MBOX0_CMD_STAT}, {
-	HOSTFN1_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN1_MBOX0_CMD_STAT}, {
-	HOSTFN2_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN2_MBOX0_CMD_STAT}, {
-	HOSTFN3_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN3_MBOX0_CMD_STAT}
-};
-
-/**
- * Host <-> LPU mailbox command/status registers - port 1
- */
-static struct {
-	u32        hfn, lpu;
-} iocreg_mbcmd_p1[] = {
-	{
-	HOSTFN0_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN0_MBOX0_CMD_STAT}, {
-	HOSTFN1_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN1_MBOX0_CMD_STAT}, {
-	HOSTFN2_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN2_MBOX0_CMD_STAT}, {
-	HOSTFN3_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN3_MBOX0_CMD_STAT}
-};
-
-/**
- * Shared IRQ handling in INTX mode
- */
-static struct {
-	u32        isr, msk;
-} iocreg_shirq_next[] = {
-	{
-	HOSTFN1_INT_STATUS, HOSTFN1_INT_MSK}, {
-	HOSTFN2_INT_STATUS, HOSTFN2_INT_MSK}, {
-	HOSTFN3_INT_STATUS, HOSTFN3_INT_MSK}, {
-HOSTFN0_INT_STATUS, HOSTFN0_INT_MSK},};
-
-static void
-bfa_ioc_reg_init(struct bfa_ioc_s *ioc)
-{
-	bfa_os_addr_t   rb;
-	int             pcifn = bfa_ioc_pcifn(ioc);
-
-	rb = bfa_ioc_bar0(ioc);
-
-	ioc->ioc_regs.hfn_mbox = rb + iocreg_fnreg[pcifn].hfn_mbox;
-	ioc->ioc_regs.lpu_mbox = rb + iocreg_fnreg[pcifn].lpu_mbox;
-	ioc->ioc_regs.host_page_num_fn = rb + iocreg_fnreg[pcifn].hfn_pgn;
-
-	if (ioc->port_id == 0) {
-		ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG;
-		ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG;
-		ioc->ioc_regs.hfn_mbox_cmd = rb + iocreg_mbcmd_p0[pcifn].hfn;
-		ioc->ioc_regs.lpu_mbox_cmd = rb + iocreg_mbcmd_p0[pcifn].lpu;
-		ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P0;
-	} else {
-		ioc->ioc_regs.heartbeat = (rb + BFA_IOC1_HBEAT_REG);
-		ioc->ioc_regs.ioc_fwstate = (rb + BFA_IOC1_STATE_REG);
-		ioc->ioc_regs.hfn_mbox_cmd = rb + iocreg_mbcmd_p1[pcifn].hfn;
-		ioc->ioc_regs.lpu_mbox_cmd = rb + iocreg_mbcmd_p1[pcifn].lpu;
-		ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P1;
-	}
-
-	/**
-	 * Shared IRQ handling in INTX mode
-	 */
-	ioc->ioc_regs.shirq_isr_next = rb + iocreg_shirq_next[pcifn].isr;
-	ioc->ioc_regs.shirq_msk_next = rb + iocreg_shirq_next[pcifn].msk;
-
-	/*
-	 * PSS control registers
-	 */
-	ioc->ioc_regs.pss_ctl_reg = (rb + PSS_CTL_REG);
-	ioc->ioc_regs.app_pll_fast_ctl_reg = (rb + APP_PLL_425_CTL_REG);
-	ioc->ioc_regs.app_pll_slow_ctl_reg = (rb + APP_PLL_312_CTL_REG);
-
-	/*
-	 * IOC semaphore registers and serialization
-	 */
-	ioc->ioc_regs.ioc_sem_reg = (rb + HOST_SEM0_REG);
-	ioc->ioc_regs.ioc_usage_sem_reg = (rb + HOST_SEM1_REG);
-	ioc->ioc_regs.ioc_usage_reg = (rb + BFA_FW_USE_COUNT);
-
-	/**
-	 * sram memory access
-	 */
-	ioc->ioc_regs.smem_page_start = (rb + PSS_SMEM_PAGE_START);
-	ioc->ioc_regs.smem_pg0 = BFI_IOC_SMEM_PG0_CB;
-	if (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT)
-		ioc->ioc_regs.smem_pg0 = BFI_IOC_SMEM_PG0_CT;
-}
-
-/**
  *      Initiate a full firmware download.
  */
 static void
@@ -1321,9 +1129,6 @@ bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type,
 	if (bfa_ioc_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ)
 		boot_type = BFI_BOOT_TYPE_FLASH;
 	fwimg = bfa_ioc_fwimg_get_chunk(ioc, chunkno);
-	fwimg[BFI_BOOT_TYPE_OFF / sizeof(u32)] = bfa_os_swap32(boot_type);
-	fwimg[BFI_BOOT_PARAM_OFF / sizeof(u32)] =
-		bfa_os_swap32(boot_param);
 
 	pgnum = bfa_ioc_smem_pgnum(ioc, loff);
 	pgoff = bfa_ioc_smem_pgoff(ioc, loff);
@@ -1332,17 +1137,17 @@ bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type,
 
 	for (i = 0; i < bfa_ioc_fwimg_get_size(ioc); i++) {
 
-		if (BFA_FLASH_CHUNK_NO(i) != chunkno) {
-			chunkno = BFA_FLASH_CHUNK_NO(i);
+		if (BFA_IOC_FLASH_CHUNK_NO(i) != chunkno) {
+			chunkno = BFA_IOC_FLASH_CHUNK_NO(i);
 			fwimg = bfa_ioc_fwimg_get_chunk(ioc,
-					BFA_FLASH_CHUNK_ADDR(chunkno));
+					BFA_IOC_FLASH_CHUNK_ADDR(chunkno));
 		}
 
 		/**
 		 * write smem
 		 */
 		bfa_mem_write(ioc->ioc_regs.smem_page_start, loff,
-			      fwimg[BFA_FLASH_OFFSET_IN_CHUNK(i)]);
+			      fwimg[BFA_IOC_FLASH_OFFSET_IN_CHUNK(i)]);
 
 		loff += sizeof(u32);
 
@@ -1358,6 +1163,14 @@ bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type,
 
 	bfa_reg_write(ioc->ioc_regs.host_page_num_fn,
 		      bfa_ioc_smem_pgnum(ioc, 0));
+
+	/*
+	 * Set boot type and boot param at the end.
+	 */
+	bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_BOOT_TYPE_OFF,
+			bfa_os_swap32(boot_type));
+	bfa_mem_write(ioc->ioc_regs.smem_page_start, BFI_BOOT_PARAM_OFF,
+			bfa_os_swap32(boot_param));
 }
 
 static void
@@ -1440,168 +1253,10 @@ bfa_ioc_mbox_hbfail(struct bfa_ioc_s *ioc)
 }
 
 /**
- * Initialize IOC to port mapping.
- */
-
-#define FNC_PERS_FN_SHIFT(__fn)	((__fn) * 8)
-static void
-bfa_ioc_map_port(struct bfa_ioc_s *ioc)
-{
-	bfa_os_addr_t   rb = ioc->pcidev.pci_bar_kva;
-	u32        r32;
-
-	/**
-	 * For crossbow, port id is same as pci function.
-	 */
-	if (ioc->pcidev.device_id != BFA_PCI_DEVICE_ID_CT) {
-		ioc->port_id = bfa_ioc_pcifn(ioc);
-		return;
-	}
-
-	/**
-	 * For catapult, base port id on personality register and IOC type
-	 */
-	r32 = bfa_reg_read(rb + FNC_PERS_REG);
-	r32 >>= FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc));
-	ioc->port_id = (r32 & __F0_PORT_MAP_MK) >> __F0_PORT_MAP_SH;
-
-	bfa_trc(ioc, bfa_ioc_pcifn(ioc));
-	bfa_trc(ioc, ioc->port_id);
-}
-
-
-
-/**
  *  bfa_ioc_public
  */
 
 /**
-* Set interrupt mode for a function: INTX or MSIX
- */
-void
-bfa_ioc_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix)
-{
-	bfa_os_addr_t   rb = ioc->pcidev.pci_bar_kva;
-	u32        r32, mode;
-
-	r32 = bfa_reg_read(rb + FNC_PERS_REG);
-	bfa_trc(ioc, r32);
-
-	mode = (r32 >> FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))) &
-		__F0_INTX_STATUS;
-
-	/**
-	 * If already in desired mode, do not change anything
-	 */
-	if (!msix && mode)
-		return;
-
-	if (msix)
-		mode = __F0_INTX_STATUS_MSIX;
-	else
-		mode = __F0_INTX_STATUS_INTA;
-
-	r32 &= ~(__F0_INTX_STATUS << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc)));
-	r32 |= (mode << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc)));
-	bfa_trc(ioc, r32);
-
-	bfa_reg_write(rb + FNC_PERS_REG, r32);
-}
-
-bfa_status_t
-bfa_ioc_pll_init(struct bfa_ioc_s *ioc)
-{
-	bfa_os_addr_t   rb = ioc->pcidev.pci_bar_kva;
-	u32        pll_sclk, pll_fclk, r32;
-
-	if (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT) {
-		pll_sclk =
-			__APP_PLL_312_ENABLE | __APP_PLL_312_LRESETN |
-			__APP_PLL_312_RSEL200500 | __APP_PLL_312_P0_1(0U) |
-			__APP_PLL_312_JITLMT0_1(3U) |
-			__APP_PLL_312_CNTLMT0_1(1U);
-		pll_fclk =
-			__APP_PLL_425_ENABLE | __APP_PLL_425_LRESETN |
-			__APP_PLL_425_RSEL200500 | __APP_PLL_425_P0_1(0U) |
-			__APP_PLL_425_JITLMT0_1(3U) |
-			__APP_PLL_425_CNTLMT0_1(1U);
-
-		/**
-		 * 	For catapult, choose operational mode FC/FCoE
-		 */
-		if (ioc->fcmode) {
-			bfa_reg_write((rb + OP_MODE), 0);
-			bfa_reg_write((rb + ETH_MAC_SER_REG),
-				      __APP_EMS_CMLCKSEL | __APP_EMS_REFCKBUFEN2
-				      | __APP_EMS_CHANNEL_SEL);
-		} else {
-			ioc->pllinit = BFA_TRUE;
-			bfa_reg_write((rb + OP_MODE), __GLOBAL_FCOE_MODE);
-			bfa_reg_write((rb + ETH_MAC_SER_REG),
-				      __APP_EMS_REFCKBUFEN1);
-		}
-	} else {
-		pll_sclk =
-			__APP_PLL_312_ENABLE | __APP_PLL_312_LRESETN |
-			__APP_PLL_312_P0_1(3U) | __APP_PLL_312_JITLMT0_1(3U) |
-			__APP_PLL_312_CNTLMT0_1(3U);
-		pll_fclk =
-			__APP_PLL_425_ENABLE | __APP_PLL_425_LRESETN |
-			__APP_PLL_425_RSEL200500 | __APP_PLL_425_P0_1(3U) |
-			__APP_PLL_425_JITLMT0_1(3U) |
-			__APP_PLL_425_CNTLMT0_1(3U);
-	}
-
-	bfa_reg_write((rb + BFA_IOC0_STATE_REG), BFI_IOC_UNINIT);
-	bfa_reg_write((rb + BFA_IOC1_STATE_REG), BFI_IOC_UNINIT);
-
-	bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU);
-	bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU);
-	bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU);
-	bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU);
-	bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU);
-	bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU);
-
-	bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg,
-		      __APP_PLL_312_LOGIC_SOFT_RESET);
-	bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg,
-		      __APP_PLL_312_BYPASS | __APP_PLL_312_LOGIC_SOFT_RESET);
-	bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg,
-		      __APP_PLL_425_LOGIC_SOFT_RESET);
-	bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg,
-		      __APP_PLL_425_BYPASS | __APP_PLL_425_LOGIC_SOFT_RESET);
-	bfa_os_udelay(2);
-	bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg,
-		      __APP_PLL_312_LOGIC_SOFT_RESET);
-	bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg,
-		      __APP_PLL_425_LOGIC_SOFT_RESET);
-
-	bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg,
-		      pll_sclk | __APP_PLL_312_LOGIC_SOFT_RESET);
-	bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg,
-		      pll_fclk | __APP_PLL_425_LOGIC_SOFT_RESET);
-
-	/**
-	 * Wait for PLLs to lock.
-	 */
-	bfa_os_udelay(2000);
-	bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU);
-	bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU);
-
-	bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, pll_sclk);
-	bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk);
-
-	if (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT) {
-		bfa_reg_write((rb + MBIST_CTL_REG), __EDRAM_BISTR_START);
-		bfa_os_udelay(1000);
-		r32 = bfa_reg_read((rb + MBIST_STAT_REG));
-		bfa_trc(ioc, r32);
-	}
-
-	return BFA_STATUS_OK;
-}
-
-/**
  * Interface used by diag module to do firmware boot with memory test
  * as the entry vector.
  */
@@ -1642,7 +1297,7 @@ bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_param)
 void
 bfa_ioc_auto_recover(bfa_boolean_t auto_recover)
 {
-	bfa_auto_recover = BFA_FALSE;
+	bfa_auto_recover = auto_recover;
 }
 
 
@@ -1764,6 +1419,14 @@ bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev,
 	ioc->ctdev = (ioc->pcidev.device_id == BFA_PCI_DEVICE_ID_CT);
 	ioc->cna = ioc->ctdev && !ioc->fcmode;
 
+	/**
+	 * Set asic specific interfaces. See bfa_ioc_cb.c and bfa_ioc_ct.c
+	 */
+	if (ioc->ctdev)
+		bfa_ioc_set_ct_hwif(ioc);
+	else
+		bfa_ioc_set_cb_hwif(ioc);
+
 	bfa_ioc_map_port(ioc);
 	bfa_ioc_reg_init(ioc);
 }
@@ -1830,7 +1493,6 @@ return (auto_recover) ? BFA_DBG_FWTRC_LEN : 0;
 void
 bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave)
 {
-	bfa_assert(ioc->auto_recover);
 	ioc->dbg_fwsave = dbg_fwsave;
 	ioc->dbg_fwsave_len = bfa_ioc_debug_trcsz(ioc->auto_recover);
 }
@@ -1973,7 +1635,7 @@ bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc)
 	 ((__sm) == BFI_IOC_INITING) ||		\
 	 ((__sm) == BFI_IOC_HWINIT) ||		\
 	 ((__sm) == BFI_IOC_DISABLED) ||	\
-	 ((__sm) == BFI_IOC_HBFAIL) ||		\
+	 ((__sm) == BFI_IOC_FAIL) ||		\
 	 ((__sm) == BFI_IOC_CFG_DISABLED))
 
 /**
@@ -2017,46 +1679,28 @@ bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc,
 			 struct bfa_adapter_attr_s *ad_attr)
 {
 	struct bfi_ioc_attr_s *ioc_attr;
-	char            model[BFA_ADAPTER_MODEL_NAME_LEN];
 
 	ioc_attr = ioc->attr;
-	bfa_os_memcpy((void *)&ad_attr->serial_num,
-		      (void *)ioc_attr->brcd_serialnum,
-		      BFA_ADAPTER_SERIAL_NUM_LEN);
-
-	bfa_os_memcpy(&ad_attr->fw_ver, ioc_attr->fw_version, BFA_VERSION_LEN);
-	bfa_os_memcpy(&ad_attr->optrom_ver, ioc_attr->optrom_version,
-		      BFA_VERSION_LEN);
-	bfa_os_memcpy(&ad_attr->manufacturer, BFA_MFG_NAME,
-		      BFA_ADAPTER_MFG_NAME_LEN);
+
+	bfa_ioc_get_adapter_serial_num(ioc, ad_attr->serial_num);
+	bfa_ioc_get_adapter_fw_ver(ioc, ad_attr->fw_ver);
+	bfa_ioc_get_adapter_optrom_ver(ioc, ad_attr->optrom_ver);
+	bfa_ioc_get_adapter_manufacturer(ioc, ad_attr->manufacturer);
 	bfa_os_memcpy(&ad_attr->vpd, &ioc_attr->vpd,
 		      sizeof(struct bfa_mfg_vpd_s));
 
-	ad_attr->nports = BFI_ADAPTER_GETP(NPORTS, ioc_attr->adapter_prop);
-	ad_attr->max_speed = BFI_ADAPTER_GETP(SPEED, ioc_attr->adapter_prop);
+	ad_attr->nports = bfa_ioc_get_nports(ioc);
+	ad_attr->max_speed = bfa_ioc_speed_sup(ioc);
 
-	/**
-	 * model name
-	 */
-	if (BFI_ADAPTER_GETP(SPEED, ioc_attr->adapter_prop) == 10) {
-		strcpy(model, "BR-10?0");
-		model[5] = '0' + ad_attr->nports;
-	} else {
-		strcpy(model, "Brocade-??5");
-		model[8] =
-			'0' + BFI_ADAPTER_GETP(SPEED, ioc_attr->adapter_prop);
-		model[9] = '0' + ad_attr->nports;
-	}
+	bfa_ioc_get_adapter_model(ioc, ad_attr->model);
+	/* For now, model descr uses same model string */
+	bfa_ioc_get_adapter_model(ioc, ad_attr->model_descr);
 
 	if (BFI_ADAPTER_IS_SPECIAL(ioc_attr->adapter_prop))
 		ad_attr->prototype = 1;
 	else
 		ad_attr->prototype = 0;
 
-	bfa_os_memcpy(&ad_attr->model, model, BFA_ADAPTER_MODEL_NAME_LEN);
-	bfa_os_memcpy(&ad_attr->model_descr, &ad_attr->model,
-		      BFA_ADAPTER_MODEL_NAME_LEN);
-
 	ad_attr->pwwn = bfa_ioc_get_pwwn(ioc);
 	ad_attr->mac = bfa_ioc_get_mac(ioc);
 
@@ -2064,41 +1708,122 @@ bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc,
 	ad_attr->pcie_lanes = ioc_attr->pcie_lanes;
 	ad_attr->pcie_lanes_orig = ioc_attr->pcie_lanes_orig;
 	ad_attr->asic_rev = ioc_attr->asic_rev;
-	ad_attr->hw_ver[0] = 'R';
-	ad_attr->hw_ver[1] = 'e';
-	ad_attr->hw_ver[2] = 'v';
-	ad_attr->hw_ver[3] = '-';
-	ad_attr->hw_ver[4] = ioc_attr->asic_rev;
-	ad_attr->hw_ver[5] = '\0';
+
+	bfa_ioc_get_pci_chip_rev(ioc, ad_attr->hw_ver);
 
 	ad_attr->cna_capable = ioc->cna;
 }
 
+enum bfa_ioc_type_e
+bfa_ioc_get_type(struct bfa_ioc_s *ioc)
+{
+	if (!ioc->ctdev || ioc->fcmode)
+		return BFA_IOC_TYPE_FC;
+	else if (ioc->ioc_mc == BFI_MC_IOCFC)
+		return BFA_IOC_TYPE_FCoE;
+	else if (ioc->ioc_mc == BFI_MC_LL)
+		return BFA_IOC_TYPE_LL;
+	else {
+		bfa_assert(ioc->ioc_mc == BFI_MC_LL);
+		return BFA_IOC_TYPE_LL;
+	}
+}
+
+void
+bfa_ioc_get_adapter_serial_num(struct bfa_ioc_s *ioc, char *serial_num)
+{
+	bfa_os_memset((void *)serial_num, 0, BFA_ADAPTER_SERIAL_NUM_LEN);
+	bfa_os_memcpy((void *)serial_num,
+			(void *)ioc->attr->brcd_serialnum,
+			BFA_ADAPTER_SERIAL_NUM_LEN);
+}
+
+void
+bfa_ioc_get_adapter_fw_ver(struct bfa_ioc_s *ioc, char *fw_ver)
+{
+	bfa_os_memset((void *)fw_ver, 0, BFA_VERSION_LEN);
+	bfa_os_memcpy(fw_ver, ioc->attr->fw_version, BFA_VERSION_LEN);
+}
+
+void
+bfa_ioc_get_pci_chip_rev(struct bfa_ioc_s *ioc, char *chip_rev)
+{
+	bfa_assert(chip_rev);
+
+	bfa_os_memset((void *)chip_rev, 0, BFA_IOC_CHIP_REV_LEN);
+
+	chip_rev[0] = 'R';
+	chip_rev[1] = 'e';
+	chip_rev[2] = 'v';
+	chip_rev[3] = '-';
+	chip_rev[4] = ioc->attr->asic_rev;
+	chip_rev[5] = '\0';
+}
+
+void
+bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc_s *ioc, char *optrom_ver)
+{
+	bfa_os_memset((void *)optrom_ver, 0, BFA_VERSION_LEN);
+	bfa_os_memcpy(optrom_ver, ioc->attr->optrom_version,
+		BFA_VERSION_LEN);
+}
+
+void
+bfa_ioc_get_adapter_manufacturer(struct bfa_ioc_s *ioc, char *manufacturer)
+{
+	bfa_os_memset((void *)manufacturer, 0, BFA_ADAPTER_MFG_NAME_LEN);
+	bfa_os_memcpy(manufacturer, BFA_MFG_NAME, BFA_ADAPTER_MFG_NAME_LEN);
+}
+
+void
+bfa_ioc_get_adapter_model(struct bfa_ioc_s *ioc, char *model)
+{
+	struct bfi_ioc_attr_s   *ioc_attr;
+	u8              nports;
+	u8              max_speed;
+
+	bfa_assert(model);
+	bfa_os_memset((void *)model, 0, BFA_ADAPTER_MODEL_NAME_LEN);
+
+	ioc_attr = ioc->attr;
+
+	nports = bfa_ioc_get_nports(ioc);
+	max_speed = bfa_ioc_speed_sup(ioc);
+
+	/**
+	 * model name
+	 */
+	if (max_speed == 10) {
+		strcpy(model, "BR-10?0");
+		model[5] = '0' + nports;
+	} else {
+		strcpy(model, "Brocade-??5");
+		model[8] = '0' + max_speed;
+		model[9] = '0' + nports;
+	}
+}
+
+enum bfa_ioc_state
+bfa_ioc_get_state(struct bfa_ioc_s *ioc)
+{
+	return bfa_sm_to_state(ioc_sm_table, ioc->fsm);
+}
+
 void
 bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr)
 {
 	bfa_os_memset((void *)ioc_attr, 0, sizeof(struct bfa_ioc_attr_s));
 
-	ioc_attr->state = bfa_sm_to_state(ioc_sm_table, ioc->fsm);
+	ioc_attr->state = bfa_ioc_get_state(ioc);
 	ioc_attr->port_id = ioc->port_id;
 
-	if (!ioc->ctdev)
-		ioc_attr->ioc_type = BFA_IOC_TYPE_FC;
-	else if (ioc->ioc_mc == BFI_MC_IOCFC)
-		ioc_attr->ioc_type = BFA_IOC_TYPE_FCoE;
-	else if (ioc->ioc_mc == BFI_MC_LL)
-		ioc_attr->ioc_type = BFA_IOC_TYPE_LL;
+	ioc_attr->ioc_type = bfa_ioc_get_type(ioc);
 
 	bfa_ioc_get_adapter_attr(ioc, &ioc_attr->adapter_attr);
 
 	ioc_attr->pci_attr.device_id = ioc->pcidev.device_id;
 	ioc_attr->pci_attr.pcifn = ioc->pcidev.pci_func;
-	ioc_attr->pci_attr.chip_rev[0] = 'R';
-	ioc_attr->pci_attr.chip_rev[1] = 'e';
-	ioc_attr->pci_attr.chip_rev[2] = 'v';
-	ioc_attr->pci_attr.chip_rev[3] = '-';
-	ioc_attr->pci_attr.chip_rev[4] = ioc_attr->adapter_attr.asic_rev;
-	ioc_attr->pci_attr.chip_rev[5] = '\0';
+	bfa_ioc_get_pci_chip_rev(ioc, ioc_attr->pci_attr.chip_rev);
 }
 
 /**
@@ -2195,29 +1920,6 @@ bfa_ioc_get_fcmode(struct bfa_ioc_s *ioc)
 }
 
 /**
- * Return true if interrupt should be claimed.
- */
-bfa_boolean_t
-bfa_ioc_intx_claim(struct bfa_ioc_s *ioc)
-{
-	u32        isr, msk;
-
-	/**
-	 * Always claim if not catapult.
-	 */
-	if (!ioc->ctdev)
-		return BFA_TRUE;
-
-	/**
-	 * FALSE if next device is claiming interrupt.
-	 * TRUE if next device is not interrupting or not present.
-	 */
-	msk = bfa_reg_read(ioc->ioc_regs.shirq_msk_next);
-	isr = bfa_reg_read(ioc->ioc_regs.shirq_isr_next);
-	return !(isr & ~msk);
-}
-
-/**
  * Send AEN notification
  */
 static void
@@ -2226,32 +1928,14 @@ bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event)
 	union bfa_aen_data_u aen_data;
 	struct bfa_log_mod_s *logmod = ioc->logm;
 	s32         inst_num = 0;
-	struct bfa_ioc_attr_s ioc_attr;
+	enum bfa_ioc_type_e ioc_type;
 
-	switch (event) {
-	case BFA_IOC_AEN_HBGOOD:
-		bfa_log(logmod, BFA_AEN_IOC_HBGOOD, inst_num);
-		break;
-	case BFA_IOC_AEN_HBFAIL:
-		bfa_log(logmod, BFA_AEN_IOC_HBFAIL, inst_num);
-		break;
-	case BFA_IOC_AEN_ENABLE:
-		bfa_log(logmod, BFA_AEN_IOC_ENABLE, inst_num);
-		break;
-	case BFA_IOC_AEN_DISABLE:
-		bfa_log(logmod, BFA_AEN_IOC_DISABLE, inst_num);
-		break;
-	case BFA_IOC_AEN_FWMISMATCH:
-		bfa_log(logmod, BFA_AEN_IOC_FWMISMATCH, inst_num);
-		break;
-	default:
-		break;
-	}
+	bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_IOC, event), inst_num);
 
 	memset(&aen_data.ioc.pwwn, 0, sizeof(aen_data.ioc.pwwn));
 	memset(&aen_data.ioc.mac, 0, sizeof(aen_data.ioc.mac));
-	bfa_ioc_get_attr(ioc, &ioc_attr);
-	switch (ioc_attr.ioc_type) {
+	ioc_type = bfa_ioc_get_type(ioc);
+	switch (ioc_type) {
 	case BFA_IOC_TYPE_FC:
 		aen_data.ioc.pwwn = bfa_ioc_get_pwwn(ioc);
 		break;
@@ -2263,10 +1947,10 @@ bfa_ioc_aen_post(struct bfa_ioc_s *ioc, enum bfa_ioc_aen_event event)
 		aen_data.ioc.mac = bfa_ioc_get_mac(ioc);
 		break;
 	default:
-		bfa_assert(ioc_attr.ioc_type == BFA_IOC_TYPE_FC);
+		bfa_assert(ioc_type == BFA_IOC_TYPE_FC);
 		break;
 	}
-	aen_data.ioc.ioc_type = ioc_attr.ioc_type;
+	aen_data.ioc.ioc_type = ioc_type;
 }
 
 /**
@@ -2290,6 +1974,15 @@ bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata, int *trclen)
 }
 
 /**
+ * Clear saved firmware trace
+ */
+void
+bfa_ioc_debug_fwsave_clear(struct bfa_ioc_s *ioc)
+{
+	ioc->dbg_fwsave_once = BFA_TRUE;
+}
+
+/**
  * Retrieve saved firmware trace from a prior IOC failure.
  */
 bfa_status_t
@@ -2304,6 +1997,13 @@ bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata, int *trclen)
 
 	pgnum = bfa_ioc_smem_pgnum(ioc, loff);
 	loff = bfa_ioc_smem_pgoff(ioc, loff);
+
+	/*
+	 *  Hold semaphore to serialize pll init and fwtrc.
+	 */
+	if (BFA_FALSE == bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg))
+		return BFA_STATUS_FAILED;
+
 	bfa_reg_write(ioc->ioc_regs.host_page_num_fn, pgnum);
 
 	tlen = *trclen;
@@ -2329,6 +2029,12 @@ bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata, int *trclen)
 	}
 	bfa_reg_write(ioc->ioc_regs.host_page_num_fn,
 		      bfa_ioc_smem_pgnum(ioc, 0));
+
+	/*
+	 *  release semaphore.
+	 */
+	bfa_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg);
+
 	bfa_trc(ioc, pgnum);
 
 	*trclen = tlen * sizeof(u32);
diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h
index 7c30f05ab137..d0804406ea1a 100644
--- a/drivers/scsi/bfa/bfa_ioc.h
+++ b/drivers/scsi/bfa/bfa_ioc.h
@@ -74,15 +74,18 @@ struct bfa_ioc_regs_s {
 	bfa_os_addr_t   lpu_mbox_cmd;
 	bfa_os_addr_t   lpu_mbox;
 	bfa_os_addr_t   pss_ctl_reg;
+	bfa_os_addr_t   pss_err_status_reg;
 	bfa_os_addr_t   app_pll_fast_ctl_reg;
 	bfa_os_addr_t   app_pll_slow_ctl_reg;
 	bfa_os_addr_t   ioc_sem_reg;
 	bfa_os_addr_t   ioc_usage_sem_reg;
+	bfa_os_addr_t   ioc_init_sem_reg;
 	bfa_os_addr_t   ioc_usage_reg;
 	bfa_os_addr_t   host_page_num_fn;
 	bfa_os_addr_t   heartbeat;
 	bfa_os_addr_t   ioc_fwstate;
 	bfa_os_addr_t   ll_halt;
+	bfa_os_addr_t   err_set;
 	bfa_os_addr_t   shirq_isr_next;
 	bfa_os_addr_t   shirq_msk_next;
 	bfa_os_addr_t   smem_page_start;
@@ -154,7 +157,6 @@ struct bfa_ioc_s {
 	struct bfa_timer_s 	ioc_timer;
 	struct bfa_timer_s 	sem_timer;
 	u32		hb_count;
-	u32		hb_fail;
 	u32		retry_count;
 	struct list_head		hb_notify_q;
 	void			*dbg_fwsave;
@@ -177,6 +179,22 @@ struct bfa_ioc_s {
 	struct bfi_ioc_attr_s	*attr;
 	struct bfa_ioc_cbfn_s	*cbfn;
 	struct bfa_ioc_mbox_mod_s mbox_mod;
+	struct bfa_ioc_hwif_s   *ioc_hwif;
+};
+
+struct bfa_ioc_hwif_s {
+	bfa_status_t    (*ioc_pll_init) (struct bfa_ioc_s *ioc);
+	bfa_boolean_t   (*ioc_firmware_lock)    (struct bfa_ioc_s *ioc);
+	void            (*ioc_firmware_unlock)  (struct bfa_ioc_s *ioc);
+	u32 *   	(*ioc_fwimg_get_chunk)  (struct bfa_ioc_s *ioc,
+						u32 off);
+	u32		(*ioc_fwimg_get_size)   (struct bfa_ioc_s *ioc);
+	void		(*ioc_reg_init) (struct bfa_ioc_s *ioc);
+	void		(*ioc_map_port) (struct bfa_ioc_s *ioc);
+	void		(*ioc_isr_mode_set)     (struct bfa_ioc_s *ioc,
+						bfa_boolean_t msix);
+	void            (*ioc_notify_hbfail)    (struct bfa_ioc_s *ioc);
+	void            (*ioc_ownership_reset)  (struct bfa_ioc_s *ioc);
 };
 
 #define bfa_ioc_pcifn(__ioc)		((__ioc)->pcidev.pci_func)
@@ -191,6 +209,15 @@ struct bfa_ioc_s {
 #define bfa_ioc_rx_bbcredit(__ioc)	((__ioc)->attr->rx_bbcredit)
 #define bfa_ioc_speed_sup(__ioc)	\
 	BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop)
+#define bfa_ioc_get_nports(__ioc)       \
+	BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop)
+
+#define bfa_ioc_stats(_ioc, _stats)     ((_ioc)->stats._stats++)
+#define BFA_IOC_FWIMG_MINSZ     (16 * 1024)
+
+#define BFA_IOC_FLASH_CHUNK_NO(off)             (off / BFI_FLASH_CHUNK_SZ_WORDS)
+#define BFA_IOC_FLASH_OFFSET_IN_CHUNK(off)      (off % BFI_FLASH_CHUNK_SZ_WORDS)
+#define BFA_IOC_FLASH_CHUNK_ADDR(chunkno)  (chunkno * BFI_FLASH_CHUNK_SZ_WORDS)
 
 /**
  * IOC mailbox interface
@@ -207,6 +234,14 @@ void bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc,
 /**
  * IOC interfaces
  */
+#define bfa_ioc_pll_init(__ioc) ((__ioc)->ioc_hwif->ioc_pll_init(__ioc))
+#define bfa_ioc_isr_mode_set(__ioc, __msix)                     \
+			((__ioc)->ioc_hwif->ioc_isr_mode_set(__ioc, __msix))
+#define bfa_ioc_ownership_reset(__ioc)                          \
+			((__ioc)->ioc_hwif->ioc_ownership_reset(__ioc))
+
+void bfa_ioc_set_ct_hwif(struct bfa_ioc_s *ioc);
+void bfa_ioc_set_cb_hwif(struct bfa_ioc_s *ioc);
 void bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa,
 		struct bfa_ioc_cbfn_s *cbfn, struct bfa_timer_mod_s *timer_mod,
 		struct bfa_trc_mod_s *trcmod,
@@ -223,13 +258,21 @@ bfa_boolean_t bfa_ioc_intx_claim(struct bfa_ioc_s *ioc);
 void bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_param);
 void bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *msg);
 void bfa_ioc_error_isr(struct bfa_ioc_s *ioc);
-void bfa_ioc_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t intx);
-bfa_status_t bfa_ioc_pll_init(struct bfa_ioc_s *ioc);
 bfa_boolean_t bfa_ioc_is_operational(struct bfa_ioc_s *ioc);
 bfa_boolean_t bfa_ioc_is_disabled(struct bfa_ioc_s *ioc);
 bfa_boolean_t bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc);
 bfa_boolean_t bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc);
 void bfa_ioc_cfg_complete(struct bfa_ioc_s *ioc);
+enum bfa_ioc_type_e bfa_ioc_get_type(struct bfa_ioc_s *ioc);
+void bfa_ioc_get_adapter_serial_num(struct bfa_ioc_s *ioc, char *serial_num);
+void bfa_ioc_get_adapter_fw_ver(struct bfa_ioc_s *ioc, char *fw_ver);
+void bfa_ioc_get_adapter_optrom_ver(struct bfa_ioc_s *ioc, char *optrom_ver);
+void bfa_ioc_get_adapter_model(struct bfa_ioc_s *ioc, char *model);
+void bfa_ioc_get_adapter_manufacturer(struct bfa_ioc_s *ioc,
+	char *manufacturer);
+void bfa_ioc_get_pci_chip_rev(struct bfa_ioc_s *ioc, char *chip_rev);
+enum bfa_ioc_state bfa_ioc_get_state(struct bfa_ioc_s *ioc);
+
 void bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr);
 void bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc,
 		struct bfa_adapter_attr_s *ad_attr);
@@ -237,6 +280,7 @@ int bfa_ioc_debug_trcsz(bfa_boolean_t auto_recover);
 void bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave);
 bfa_status_t bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata,
 		int *trclen);
+void bfa_ioc_debug_fwsave_clear(struct bfa_ioc_s *ioc);
 bfa_status_t bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata,
 				 int *trclen);
 u32 bfa_ioc_smem_pgnum(struct bfa_ioc_s *ioc, u32 fmaddr);
@@ -245,6 +289,13 @@ void bfa_ioc_set_fcmode(struct bfa_ioc_s *ioc);
 bfa_boolean_t bfa_ioc_get_fcmode(struct bfa_ioc_s *ioc);
 void bfa_ioc_hbfail_register(struct bfa_ioc_s *ioc,
 	struct bfa_ioc_hbfail_notify_s *notify);
+bfa_boolean_t bfa_ioc_sem_get(bfa_os_addr_t sem_reg);
+void bfa_ioc_sem_release(bfa_os_addr_t sem_reg);
+void bfa_ioc_hw_sem_release(struct bfa_ioc_s *ioc);
+void bfa_ioc_fwver_get(struct bfa_ioc_s *ioc,
+			struct bfi_ioc_image_hdr_s *fwhdr);
+bfa_boolean_t bfa_ioc_fwver_cmp(struct bfa_ioc_s *ioc,
+			struct bfi_ioc_image_hdr_s *fwhdr);
 
 /*
  * bfa mfg wwn API functions
diff --git a/drivers/scsi/bfa/bfa_ioc_cb.c b/drivers/scsi/bfa/bfa_ioc_cb.c
new file mode 100644
index 000000000000..3ce85319f739
--- /dev/null
+++ b/drivers/scsi/bfa/bfa_ioc_cb.c
@@ -0,0 +1,274 @@
+/*
+ * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ *
+ * Linux driver for Brocade Fibre Channel Host Bus Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#include <bfa.h>
+#include <bfa_ioc.h>
+#include <bfa_fwimg_priv.h>
+#include <cna/bfa_cna_trcmod.h>
+#include <cs/bfa_debug.h>
+#include <bfi/bfi_ioc.h>
+#include <bfi/bfi_cbreg.h>
+#include <log/bfa_log_hal.h>
+#include <defs/bfa_defs_pci.h>
+
+BFA_TRC_FILE(CNA, IOC_CB);
+
+/*
+ * forward declarations
+ */
+static bfa_status_t bfa_ioc_cb_pll_init(struct bfa_ioc_s *ioc);
+static bfa_boolean_t bfa_ioc_cb_firmware_lock(struct bfa_ioc_s *ioc);
+static void bfa_ioc_cb_firmware_unlock(struct bfa_ioc_s *ioc);
+static u32  *bfa_ioc_cb_fwimg_get_chunk(struct bfa_ioc_s *ioc, u32 off);
+static u32 bfa_ioc_cb_fwimg_get_size(struct bfa_ioc_s *ioc);
+static void bfa_ioc_cb_reg_init(struct bfa_ioc_s *ioc);
+static void bfa_ioc_cb_map_port(struct bfa_ioc_s *ioc);
+static void bfa_ioc_cb_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix);
+static void bfa_ioc_cb_notify_hbfail(struct bfa_ioc_s *ioc);
+static void bfa_ioc_cb_ownership_reset(struct bfa_ioc_s *ioc);
+
+struct bfa_ioc_hwif_s hwif_cb = {
+	bfa_ioc_cb_pll_init,
+	bfa_ioc_cb_firmware_lock,
+	bfa_ioc_cb_firmware_unlock,
+	bfa_ioc_cb_fwimg_get_chunk,
+	bfa_ioc_cb_fwimg_get_size,
+	bfa_ioc_cb_reg_init,
+	bfa_ioc_cb_map_port,
+	bfa_ioc_cb_isr_mode_set,
+	bfa_ioc_cb_notify_hbfail,
+	bfa_ioc_cb_ownership_reset,
+};
+
+/**
+ * Called from bfa_ioc_attach() to map asic specific calls.
+ */
+void
+bfa_ioc_set_cb_hwif(struct bfa_ioc_s *ioc)
+{
+	ioc->ioc_hwif = &hwif_cb;
+}
+
+static u32 *
+bfa_ioc_cb_fwimg_get_chunk(struct bfa_ioc_s *ioc, u32 off)
+{
+	return bfi_image_cb_get_chunk(off);
+}
+
+static u32
+bfa_ioc_cb_fwimg_get_size(struct bfa_ioc_s *ioc)
+{
+	return bfi_image_cb_size;
+}
+
+/**
+ * Return true if firmware of current driver matches the running firmware.
+ */
+static bfa_boolean_t
+bfa_ioc_cb_firmware_lock(struct bfa_ioc_s *ioc)
+{
+	return BFA_TRUE;
+}
+
+static void
+bfa_ioc_cb_firmware_unlock(struct bfa_ioc_s *ioc)
+{
+}
+
+/**
+ * Notify other functions on HB failure.
+ */
+static void
+bfa_ioc_cb_notify_hbfail(struct bfa_ioc_s *ioc)
+{
+	bfa_reg_write(ioc->ioc_regs.err_set, __PSS_ERR_STATUS_SET);
+	bfa_reg_read(ioc->ioc_regs.err_set);
+}
+
+/**
+ * Host to LPU mailbox message addresses
+ */
+static struct { u32 hfn_mbox, lpu_mbox, hfn_pgn; } iocreg_fnreg[] = {
+	{ HOSTFN0_LPU_MBOX0_0, LPU_HOSTFN0_MBOX0_0, HOST_PAGE_NUM_FN0 },
+	{ HOSTFN1_LPU_MBOX0_8, LPU_HOSTFN1_MBOX0_8, HOST_PAGE_NUM_FN1 }
+};
+
+/**
+ * Host <-> LPU mailbox command/status registers
+ */
+static struct { u32 hfn, lpu; } iocreg_mbcmd[] = {
+	{ HOSTFN0_LPU0_CMD_STAT, LPU0_HOSTFN0_CMD_STAT },
+	{ HOSTFN1_LPU1_CMD_STAT, LPU1_HOSTFN1_CMD_STAT }
+};
+
+static void
+bfa_ioc_cb_reg_init(struct bfa_ioc_s *ioc)
+{
+	bfa_os_addr_t	rb;
+	int		pcifn = bfa_ioc_pcifn(ioc);
+
+	rb = bfa_ioc_bar0(ioc);
+
+	ioc->ioc_regs.hfn_mbox = rb + iocreg_fnreg[pcifn].hfn_mbox;
+	ioc->ioc_regs.lpu_mbox = rb + iocreg_fnreg[pcifn].lpu_mbox;
+	ioc->ioc_regs.host_page_num_fn = rb + iocreg_fnreg[pcifn].hfn_pgn;
+
+	if (ioc->port_id == 0) {
+		ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG;
+		ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG;
+	} else {
+		ioc->ioc_regs.heartbeat = (rb + BFA_IOC1_HBEAT_REG);
+		ioc->ioc_regs.ioc_fwstate = (rb + BFA_IOC1_STATE_REG);
+	}
+
+	/**
+	 * Host <-> LPU mailbox command/status registers
+	 */
+	ioc->ioc_regs.hfn_mbox_cmd = rb + iocreg_mbcmd[pcifn].hfn;
+	ioc->ioc_regs.lpu_mbox_cmd = rb + iocreg_mbcmd[pcifn].lpu;
+
+	/*
+	 * PSS control registers
+	 */
+	ioc->ioc_regs.pss_ctl_reg = (rb + PSS_CTL_REG);
+	ioc->ioc_regs.pss_err_status_reg = (rb + PSS_ERR_STATUS_REG);
+	ioc->ioc_regs.app_pll_fast_ctl_reg = (rb + APP_PLL_400_CTL_REG);
+	ioc->ioc_regs.app_pll_slow_ctl_reg = (rb + APP_PLL_212_CTL_REG);
+
+	/*
+	 * IOC semaphore registers and serialization
+	 */
+	ioc->ioc_regs.ioc_sem_reg = (rb + HOST_SEM0_REG);
+	ioc->ioc_regs.ioc_init_sem_reg = (rb + HOST_SEM2_REG);
+
+	/**
+	 * sram memory access
+	 */
+	ioc->ioc_regs.smem_page_start = (rb + PSS_SMEM_PAGE_START);
+	ioc->ioc_regs.smem_pg0 = BFI_IOC_SMEM_PG0_CB;
+
+	/*
+	 * err set reg : for notification of hb failure
+	 */
+	ioc->ioc_regs.err_set = (rb + ERR_SET_REG);
+}
+
+/**
+ * Initialize IOC to port mapping.
+ */
+static void
+bfa_ioc_cb_map_port(struct bfa_ioc_s *ioc)
+{
+	/**
+	 * For crossbow, port id is same as pci function.
+	 */
+	ioc->port_id = bfa_ioc_pcifn(ioc);
+	bfa_trc(ioc, ioc->port_id);
+}
+
+/**
+ * Set interrupt mode for a function: INTX or MSIX
+ */
+static void
+bfa_ioc_cb_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix)
+{
+}
+
+static bfa_status_t
+bfa_ioc_cb_pll_init(struct bfa_ioc_s *ioc)
+{
+	bfa_os_addr_t	rb = ioc->pcidev.pci_bar_kva;
+	u32	pll_sclk, pll_fclk;
+
+	/*
+	 *  Hold semaphore so that nobody can access the chip during init.
+	 */
+	bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg);
+
+	pll_sclk = __APP_PLL_212_ENABLE | __APP_PLL_212_LRESETN |
+			__APP_PLL_212_P0_1(3U) |
+			__APP_PLL_212_JITLMT0_1(3U) |
+			__APP_PLL_212_CNTLMT0_1(3U);
+	pll_fclk = __APP_PLL_400_ENABLE | __APP_PLL_400_LRESETN |
+			__APP_PLL_400_RSEL200500 | __APP_PLL_400_P0_1(3U) |
+			__APP_PLL_400_JITLMT0_1(3U) |
+			__APP_PLL_400_CNTLMT0_1(3U);
+
+	bfa_reg_write((rb + BFA_IOC0_STATE_REG), BFI_IOC_UNINIT);
+	bfa_reg_write((rb + BFA_IOC1_STATE_REG), BFI_IOC_UNINIT);
+
+	bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU);
+	bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU);
+	bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU);
+	bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU);
+	bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU);
+	bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU);
+
+	bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg,
+			__APP_PLL_212_LOGIC_SOFT_RESET);
+	bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg,
+			__APP_PLL_212_BYPASS |
+			__APP_PLL_212_LOGIC_SOFT_RESET);
+	bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg,
+			__APP_PLL_400_LOGIC_SOFT_RESET);
+	bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg,
+			__APP_PLL_400_BYPASS |
+			__APP_PLL_400_LOGIC_SOFT_RESET);
+	bfa_os_udelay(2);
+	bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg,
+			__APP_PLL_212_LOGIC_SOFT_RESET);
+	bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg,
+			__APP_PLL_400_LOGIC_SOFT_RESET);
+
+	bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg,
+			pll_sclk | __APP_PLL_212_LOGIC_SOFT_RESET);
+	bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg,
+			pll_fclk | __APP_PLL_400_LOGIC_SOFT_RESET);
+
+	/**
+	 * Wait for PLLs to lock.
+	 */
+	bfa_os_udelay(2000);
+	bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU);
+	bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU);
+
+	bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, pll_sclk);
+	bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk);
+
+	/*
+	 *  release semaphore.
+	 */
+	bfa_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg);
+
+	return BFA_STATUS_OK;
+}
+
+/**
+ * Cleanup hw semaphore and usecnt registers
+ */
+static void
+bfa_ioc_cb_ownership_reset(struct bfa_ioc_s *ioc)
+{
+
+	/*
+	 * Read the hw sem reg to make sure that it is locked
+	 * before we clear it. If it is not locked, writing 1
+	 * will lock it instead of clearing it.
+	 */
+	bfa_reg_read(ioc->ioc_regs.ioc_sem_reg);
+	bfa_ioc_hw_sem_release(ioc);
+}
diff --git a/drivers/scsi/bfa/bfa_ioc_ct.c b/drivers/scsi/bfa/bfa_ioc_ct.c
new file mode 100644
index 000000000000..20b58ad5f95c
--- /dev/null
+++ b/drivers/scsi/bfa/bfa_ioc_ct.c
@@ -0,0 +1,423 @@
+/*
+ * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ *
+ * Linux driver for Brocade Fibre Channel Host Bus Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#include <bfa.h>
+#include <bfa_ioc.h>
+#include <bfa_fwimg_priv.h>
+#include <cna/bfa_cna_trcmod.h>
+#include <cs/bfa_debug.h>
+#include <bfi/bfi_ioc.h>
+#include <bfi/bfi_ctreg.h>
+#include <log/bfa_log_hal.h>
+#include <defs/bfa_defs_pci.h>
+
+BFA_TRC_FILE(CNA, IOC_CT);
+
+/*
+ * forward declarations
+ */
+static bfa_status_t bfa_ioc_ct_pll_init(struct bfa_ioc_s *ioc);
+static bfa_boolean_t bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc);
+static void bfa_ioc_ct_firmware_unlock(struct bfa_ioc_s *ioc);
+static u32* bfa_ioc_ct_fwimg_get_chunk(struct bfa_ioc_s *ioc,
+					u32 off);
+static u32 bfa_ioc_ct_fwimg_get_size(struct bfa_ioc_s *ioc);
+static void bfa_ioc_ct_reg_init(struct bfa_ioc_s *ioc);
+static void bfa_ioc_ct_map_port(struct bfa_ioc_s *ioc);
+static void bfa_ioc_ct_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix);
+static void bfa_ioc_ct_notify_hbfail(struct bfa_ioc_s *ioc);
+static void bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc);
+
+struct bfa_ioc_hwif_s hwif_ct = {
+	bfa_ioc_ct_pll_init,
+	bfa_ioc_ct_firmware_lock,
+	bfa_ioc_ct_firmware_unlock,
+	bfa_ioc_ct_fwimg_get_chunk,
+	bfa_ioc_ct_fwimg_get_size,
+	bfa_ioc_ct_reg_init,
+	bfa_ioc_ct_map_port,
+	bfa_ioc_ct_isr_mode_set,
+	bfa_ioc_ct_notify_hbfail,
+	bfa_ioc_ct_ownership_reset,
+};
+
+/**
+ * Called from bfa_ioc_attach() to map asic specific calls.
+ */
+void
+bfa_ioc_set_ct_hwif(struct bfa_ioc_s *ioc)
+{
+	ioc->ioc_hwif = &hwif_ct;
+}
+
+static u32*
+bfa_ioc_ct_fwimg_get_chunk(struct bfa_ioc_s *ioc, u32 off)
+{
+	return bfi_image_ct_get_chunk(off);
+}
+
+static u32
+bfa_ioc_ct_fwimg_get_size(struct bfa_ioc_s *ioc)
+{
+	return bfi_image_ct_size;
+}
+
+/**
+ * Return true if firmware of current driver matches the running firmware.
+ */
+static bfa_boolean_t
+bfa_ioc_ct_firmware_lock(struct bfa_ioc_s *ioc)
+{
+	enum bfi_ioc_state ioc_fwstate;
+	u32 usecnt;
+	struct bfi_ioc_image_hdr_s fwhdr;
+
+	/**
+	 * Firmware match check is relevant only for CNA.
+	 */
+	if (!ioc->cna)
+		return BFA_TRUE;
+
+	/**
+	 * If bios boot (flash based) -- do not increment usage count
+	 */
+	if (bfa_ioc_ct_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ)
+		return BFA_TRUE;
+
+	bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg);
+	usecnt = bfa_reg_read(ioc->ioc_regs.ioc_usage_reg);
+
+	/**
+	 * If usage count is 0, always return TRUE.
+	 */
+	if (usecnt == 0) {
+		bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, 1);
+		bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg);
+		bfa_trc(ioc, usecnt);
+		return BFA_TRUE;
+	}
+
+	ioc_fwstate = bfa_reg_read(ioc->ioc_regs.ioc_fwstate);
+	bfa_trc(ioc, ioc_fwstate);
+
+	/**
+	 * Use count cannot be non-zero and chip in uninitialized state.
+	 */
+	bfa_assert(ioc_fwstate != BFI_IOC_UNINIT);
+
+	/**
+	 * Check if another driver with a different firmware is active
+	 */
+	bfa_ioc_fwver_get(ioc, &fwhdr);
+	if (!bfa_ioc_fwver_cmp(ioc, &fwhdr)) {
+		bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg);
+		bfa_trc(ioc, usecnt);
+		return BFA_FALSE;
+	}
+
+	/**
+	 * Same firmware version. Increment the reference count.
+	 */
+	usecnt++;
+	bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, usecnt);
+	bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg);
+	bfa_trc(ioc, usecnt);
+	return BFA_TRUE;
+}
+
+static void
+bfa_ioc_ct_firmware_unlock(struct bfa_ioc_s *ioc)
+{
+	u32 usecnt;
+
+	/**
+	 * Firmware lock is relevant only for CNA.
+	 * If bios boot (flash based) -- do not decrement usage count
+	 */
+	if (!ioc->cna || bfa_ioc_ct_fwimg_get_size(ioc) < BFA_IOC_FWIMG_MINSZ)
+		return;
+
+	/**
+	 * decrement usage count
+	 */
+	bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg);
+	usecnt = bfa_reg_read(ioc->ioc_regs.ioc_usage_reg);
+	bfa_assert(usecnt > 0);
+
+	usecnt--;
+	bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, usecnt);
+	bfa_trc(ioc, usecnt);
+
+	bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg);
+}
+
+/**
+ * Notify other functions on HB failure.
+ */
+static void
+bfa_ioc_ct_notify_hbfail(struct bfa_ioc_s *ioc)
+{
+	if (ioc->cna) {
+		bfa_reg_write(ioc->ioc_regs.ll_halt, __FW_INIT_HALT_P);
+		/* Wait for halt to take effect */
+		bfa_reg_read(ioc->ioc_regs.ll_halt);
+	} else {
+		bfa_reg_write(ioc->ioc_regs.err_set, __PSS_ERR_STATUS_SET);
+		bfa_reg_read(ioc->ioc_regs.err_set);
+	}
+}
+
+/**
+ * Host to LPU mailbox message addresses
+ */
+static struct { u32 hfn_mbox, lpu_mbox, hfn_pgn; } iocreg_fnreg[] = {
+	{ HOSTFN0_LPU_MBOX0_0, LPU_HOSTFN0_MBOX0_0, HOST_PAGE_NUM_FN0 },
+	{ HOSTFN1_LPU_MBOX0_8, LPU_HOSTFN1_MBOX0_8, HOST_PAGE_NUM_FN1 },
+	{ HOSTFN2_LPU_MBOX0_0, LPU_HOSTFN2_MBOX0_0, HOST_PAGE_NUM_FN2 },
+	{ HOSTFN3_LPU_MBOX0_8, LPU_HOSTFN3_MBOX0_8, HOST_PAGE_NUM_FN3 }
+};
+
+/**
+ * Host <-> LPU mailbox command/status registers - port 0
+ */
+static struct { u32 hfn, lpu; } iocreg_mbcmd_p0[] = {
+	{ HOSTFN0_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN0_MBOX0_CMD_STAT },
+	{ HOSTFN1_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN1_MBOX0_CMD_STAT },
+	{ HOSTFN2_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN2_MBOX0_CMD_STAT },
+	{ HOSTFN3_LPU0_MBOX0_CMD_STAT, LPU0_HOSTFN3_MBOX0_CMD_STAT }
+};
+
+/**
+ * Host <-> LPU mailbox command/status registers - port 1
+ */
+static struct { u32 hfn, lpu; } iocreg_mbcmd_p1[] = {
+	{ HOSTFN0_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN0_MBOX0_CMD_STAT },
+	{ HOSTFN1_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN1_MBOX0_CMD_STAT },
+	{ HOSTFN2_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN2_MBOX0_CMD_STAT },
+	{ HOSTFN3_LPU1_MBOX0_CMD_STAT, LPU1_HOSTFN3_MBOX0_CMD_STAT }
+};
+
+static void
+bfa_ioc_ct_reg_init(struct bfa_ioc_s *ioc)
+{
+	bfa_os_addr_t	rb;
+	int		pcifn = bfa_ioc_pcifn(ioc);
+
+	rb = bfa_ioc_bar0(ioc);
+
+	ioc->ioc_regs.hfn_mbox = rb + iocreg_fnreg[pcifn].hfn_mbox;
+	ioc->ioc_regs.lpu_mbox = rb + iocreg_fnreg[pcifn].lpu_mbox;
+	ioc->ioc_regs.host_page_num_fn = rb + iocreg_fnreg[pcifn].hfn_pgn;
+
+	if (ioc->port_id == 0) {
+		ioc->ioc_regs.heartbeat = rb + BFA_IOC0_HBEAT_REG;
+		ioc->ioc_regs.ioc_fwstate = rb + BFA_IOC0_STATE_REG;
+		ioc->ioc_regs.hfn_mbox_cmd = rb + iocreg_mbcmd_p0[pcifn].hfn;
+		ioc->ioc_regs.lpu_mbox_cmd = rb + iocreg_mbcmd_p0[pcifn].lpu;
+		ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P0;
+	} else {
+		ioc->ioc_regs.heartbeat = (rb + BFA_IOC1_HBEAT_REG);
+		ioc->ioc_regs.ioc_fwstate = (rb + BFA_IOC1_STATE_REG);
+		ioc->ioc_regs.hfn_mbox_cmd = rb + iocreg_mbcmd_p1[pcifn].hfn;
+		ioc->ioc_regs.lpu_mbox_cmd = rb + iocreg_mbcmd_p1[pcifn].lpu;
+		ioc->ioc_regs.ll_halt = rb + FW_INIT_HALT_P1;
+	}
+
+	/*
+	 * PSS control registers
+	 */
+	ioc->ioc_regs.pss_ctl_reg = (rb + PSS_CTL_REG);
+	ioc->ioc_regs.pss_err_status_reg = (rb + PSS_ERR_STATUS_REG);
+	ioc->ioc_regs.app_pll_fast_ctl_reg = (rb + APP_PLL_425_CTL_REG);
+	ioc->ioc_regs.app_pll_slow_ctl_reg = (rb + APP_PLL_312_CTL_REG);
+
+	/*
+	 * IOC semaphore registers and serialization
+	 */
+	ioc->ioc_regs.ioc_sem_reg = (rb + HOST_SEM0_REG);
+	ioc->ioc_regs.ioc_usage_sem_reg = (rb + HOST_SEM1_REG);
+	ioc->ioc_regs.ioc_init_sem_reg = (rb + HOST_SEM2_REG);
+	ioc->ioc_regs.ioc_usage_reg = (rb + BFA_FW_USE_COUNT);
+
+	/**
+	 * sram memory access
+	 */
+	ioc->ioc_regs.smem_page_start = (rb + PSS_SMEM_PAGE_START);
+	ioc->ioc_regs.smem_pg0 = BFI_IOC_SMEM_PG0_CT;
+
+	/*
+	 * err set reg : for notification of hb failure in fcmode
+	 */
+	ioc->ioc_regs.err_set = (rb + ERR_SET_REG);
+}
+
+/**
+ * Initialize IOC to port mapping.
+ */
+
+#define FNC_PERS_FN_SHIFT(__fn)	((__fn) * 8)
+static void
+bfa_ioc_ct_map_port(struct bfa_ioc_s *ioc)
+{
+	bfa_os_addr_t	rb = ioc->pcidev.pci_bar_kva;
+	u32	r32;
+
+	/**
+	 * For catapult, base port id on personality register and IOC type
+	 */
+	r32 = bfa_reg_read(rb + FNC_PERS_REG);
+	r32 >>= FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc));
+	ioc->port_id = (r32 & __F0_PORT_MAP_MK) >> __F0_PORT_MAP_SH;
+
+	bfa_trc(ioc, bfa_ioc_pcifn(ioc));
+	bfa_trc(ioc, ioc->port_id);
+}
+
+/**
+ * Set interrupt mode for a function: INTX or MSIX
+ */
+static void
+bfa_ioc_ct_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t msix)
+{
+	bfa_os_addr_t	rb = ioc->pcidev.pci_bar_kva;
+	u32	r32, mode;
+
+	r32 = bfa_reg_read(rb + FNC_PERS_REG);
+	bfa_trc(ioc, r32);
+
+	mode = (r32 >> FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc))) &
+		__F0_INTX_STATUS;
+
+	/**
+	 * If already in desired mode, do not change anything
+	 */
+	if (!msix && mode)
+		return;
+
+	if (msix)
+		mode = __F0_INTX_STATUS_MSIX;
+	else
+		mode = __F0_INTX_STATUS_INTA;
+
+	r32 &= ~(__F0_INTX_STATUS << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc)));
+	r32 |= (mode << FNC_PERS_FN_SHIFT(bfa_ioc_pcifn(ioc)));
+	bfa_trc(ioc, r32);
+
+	bfa_reg_write(rb + FNC_PERS_REG, r32);
+}
+
+static bfa_status_t
+bfa_ioc_ct_pll_init(struct bfa_ioc_s *ioc)
+{
+	bfa_os_addr_t	rb = ioc->pcidev.pci_bar_kva;
+	u32	pll_sclk, pll_fclk, r32;
+
+	/*
+	 *  Hold semaphore so that nobody can access the chip during init.
+	 */
+	bfa_ioc_sem_get(ioc->ioc_regs.ioc_init_sem_reg);
+
+	pll_sclk = __APP_PLL_312_LRESETN | __APP_PLL_312_ENARST |
+		__APP_PLL_312_RSEL200500 | __APP_PLL_312_P0_1(3U) |
+		__APP_PLL_312_JITLMT0_1(3U) |
+		__APP_PLL_312_CNTLMT0_1(1U);
+	pll_fclk = __APP_PLL_425_LRESETN | __APP_PLL_425_ENARST |
+		__APP_PLL_425_RSEL200500 | __APP_PLL_425_P0_1(3U) |
+		__APP_PLL_425_JITLMT0_1(3U) |
+		__APP_PLL_425_CNTLMT0_1(1U);
+
+	/**
+	 *	For catapult, choose operational mode FC/FCoE
+	 */
+	if (ioc->fcmode) {
+		bfa_reg_write((rb + OP_MODE), 0);
+		bfa_reg_write((rb + ETH_MAC_SER_REG),
+				__APP_EMS_CMLCKSEL |
+				__APP_EMS_REFCKBUFEN2 |
+				__APP_EMS_CHANNEL_SEL);
+	} else {
+		ioc->pllinit = BFA_TRUE;
+		bfa_reg_write((rb + OP_MODE), __GLOBAL_FCOE_MODE);
+		bfa_reg_write((rb + ETH_MAC_SER_REG),
+				 __APP_EMS_REFCKBUFEN1);
+	}
+
+	bfa_reg_write((rb + BFA_IOC0_STATE_REG), BFI_IOC_UNINIT);
+	bfa_reg_write((rb + BFA_IOC1_STATE_REG), BFI_IOC_UNINIT);
+
+	bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU);
+	bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU);
+	bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU);
+	bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU);
+	bfa_reg_write((rb + HOSTFN0_INT_MSK), 0xffffffffU);
+	bfa_reg_write((rb + HOSTFN1_INT_MSK), 0xffffffffU);
+
+	bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, pll_sclk |
+		__APP_PLL_312_LOGIC_SOFT_RESET);
+	bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk |
+		__APP_PLL_425_LOGIC_SOFT_RESET);
+	bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, pll_sclk |
+		__APP_PLL_312_LOGIC_SOFT_RESET | __APP_PLL_312_ENABLE);
+	bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk |
+		__APP_PLL_425_LOGIC_SOFT_RESET | __APP_PLL_425_ENABLE);
+
+	/**
+	 * Wait for PLLs to lock.
+	 */
+	bfa_reg_read(rb + HOSTFN0_INT_MSK);
+	bfa_os_udelay(2000);
+	bfa_reg_write((rb + HOSTFN0_INT_STATUS), 0xffffffffU);
+	bfa_reg_write((rb + HOSTFN1_INT_STATUS), 0xffffffffU);
+
+	bfa_reg_write(ioc->ioc_regs.app_pll_slow_ctl_reg, pll_sclk |
+		__APP_PLL_312_ENABLE);
+	bfa_reg_write(ioc->ioc_regs.app_pll_fast_ctl_reg, pll_fclk |
+		__APP_PLL_425_ENABLE);
+
+	bfa_reg_write((rb + MBIST_CTL_REG), __EDRAM_BISTR_START);
+	bfa_os_udelay(1000);
+	r32 = bfa_reg_read((rb + MBIST_STAT_REG));
+	bfa_trc(ioc, r32);
+	/*
+	 *  release semaphore.
+	 */
+	bfa_ioc_sem_release(ioc->ioc_regs.ioc_init_sem_reg);
+
+	return BFA_STATUS_OK;
+}
+
+/**
+ * Cleanup hw semaphore and usecnt registers
+ */
+static void
+bfa_ioc_ct_ownership_reset(struct bfa_ioc_s *ioc)
+{
+
+	if (ioc->cna) {
+		bfa_ioc_sem_get(ioc->ioc_regs.ioc_usage_sem_reg);
+		bfa_reg_write(ioc->ioc_regs.ioc_usage_reg, 0);
+		bfa_ioc_sem_release(ioc->ioc_regs.ioc_usage_sem_reg);
+	}
+
+	/*
+	 * Read the hw sem reg to make sure that it is locked
+	 * before we clear it. If it is not locked, writing 1
+	 * will lock it instead of clearing it.
+	 */
+	bfa_reg_read(ioc->ioc_regs.ioc_sem_reg);
+	bfa_ioc_hw_sem_release(ioc);
+}
diff --git a/drivers/scsi/bfa/bfa_iocfc.c b/drivers/scsi/bfa/bfa_iocfc.c
index d7ab792a9e54..a76de2669bfc 100644
--- a/drivers/scsi/bfa/bfa_iocfc.c
+++ b/drivers/scsi/bfa/bfa_iocfc.c
@@ -172,6 +172,7 @@ bfa_iocfc_init_mem(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 	 */
 	if (bfa_ioc_devid(&bfa->ioc) == BFA_PCI_DEVICE_ID_CT) {
 		iocfc->hwif.hw_reginit = bfa_hwct_reginit;
+		iocfc->hwif.hw_reqq_ack = bfa_hwct_reqq_ack;
 		iocfc->hwif.hw_rspq_ack = bfa_hwct_rspq_ack;
 		iocfc->hwif.hw_msix_init = bfa_hwct_msix_init;
 		iocfc->hwif.hw_msix_install = bfa_hwct_msix_install;
@@ -180,6 +181,7 @@ bfa_iocfc_init_mem(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 		iocfc->hwif.hw_msix_getvecs = bfa_hwct_msix_getvecs;
 	} else {
 		iocfc->hwif.hw_reginit = bfa_hwcb_reginit;
+		iocfc->hwif.hw_reqq_ack = bfa_hwcb_reqq_ack;
 		iocfc->hwif.hw_rspq_ack = bfa_hwcb_rspq_ack;
 		iocfc->hwif.hw_msix_init = bfa_hwcb_msix_init;
 		iocfc->hwif.hw_msix_install = bfa_hwcb_msix_install;
@@ -336,8 +338,10 @@ bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete)
 			bfa_cb_init(bfa->bfad, BFA_STATUS_OK);
 		else
 			bfa_cb_init(bfa->bfad, BFA_STATUS_FAILED);
-	} else
-		bfa->iocfc.action = BFA_IOCFC_ACT_NONE;
+	} else {
+		if (bfa->iocfc.cfgdone)
+			bfa->iocfc.action = BFA_IOCFC_ACT_NONE;
+	}
 }
 
 static void
@@ -619,8 +623,6 @@ bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 
 	bfa_ioc_attach(&bfa->ioc, bfa, &bfa_iocfc_cbfn, &bfa->timer_mod,
 		bfa->trcmod, bfa->aen, bfa->logm);
-	bfa_ioc_pci_init(&bfa->ioc, pcidev, BFI_MC_IOCFC);
-	bfa_ioc_mbox_register(&bfa->ioc, bfa_mbox_isrs);
 
 	/**
 	 * Choose FC (ssid: 0x1C) v/s FCoE (ssid: 0x14) mode.
@@ -628,6 +630,9 @@ bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
 	if (0)
 		bfa_ioc_set_fcmode(&bfa->ioc);
 
+	bfa_ioc_pci_init(&bfa->ioc, pcidev, BFI_MC_IOCFC);
+	bfa_ioc_mbox_register(&bfa->ioc, bfa_mbox_isrs);
+
 	bfa_iocfc_init_mem(bfa, bfad, cfg, pcidev);
 	bfa_iocfc_mem_claim(bfa, cfg, meminfo);
 	bfa_timer_init(&bfa->timer_mod);
@@ -654,7 +659,6 @@ bfa_iocfc_init(struct bfa_s *bfa)
 {
 	bfa->iocfc.action = BFA_IOCFC_ACT_INIT;
 	bfa_ioc_enable(&bfa->ioc);
-	bfa_msix_install(bfa);
 }
 
 /**
@@ -797,6 +801,11 @@ bfa_iocfc_get_stats(struct bfa_s *bfa, struct bfa_iocfc_stats_s *stats,
 		return BFA_STATUS_DEVBUSY;
 	}
 
+	if (!bfa_iocfc_is_operational(bfa)) {
+		bfa_trc(bfa, 0);
+		return BFA_STATUS_IOC_NON_OP;
+	}
+
 	iocfc->stats_busy = BFA_TRUE;
 	iocfc->stats_ret = stats;
 	iocfc->stats_cbfn = cbfn;
@@ -817,6 +826,11 @@ bfa_iocfc_clear_stats(struct bfa_s *bfa, bfa_cb_ioc_t cbfn, void *cbarg)
 		return BFA_STATUS_DEVBUSY;
 	}
 
+	if (!bfa_iocfc_is_operational(bfa)) {
+		bfa_trc(bfa, 0);
+		return BFA_STATUS_IOC_NON_OP;
+	}
+
 	iocfc->stats_busy = BFA_TRUE;
 	iocfc->stats_cbfn = cbfn;
 	iocfc->stats_cbarg = cbarg;
diff --git a/drivers/scsi/bfa/bfa_iocfc.h b/drivers/scsi/bfa/bfa_iocfc.h
index ce9a830a4207..fbb4bdc9d600 100644
--- a/drivers/scsi/bfa/bfa_iocfc.h
+++ b/drivers/scsi/bfa/bfa_iocfc.h
@@ -54,6 +54,7 @@ struct bfa_msix_s {
  */
 struct bfa_hwif_s {
 	void (*hw_reginit)(struct bfa_s *bfa);
+	void (*hw_reqq_ack)(struct bfa_s *bfa, int reqq);
 	void (*hw_rspq_ack)(struct bfa_s *bfa, int rspq);
 	void (*hw_msix_init)(struct bfa_s *bfa, int nvecs);
 	void (*hw_msix_install)(struct bfa_s *bfa);
@@ -143,6 +144,7 @@ void bfa_msix_rspq(struct bfa_s *bfa, int vec);
 void bfa_msix_lpu_err(struct bfa_s *bfa, int vec);
 
 void bfa_hwcb_reginit(struct bfa_s *bfa);
+void bfa_hwcb_reqq_ack(struct bfa_s *bfa, int rspq);
 void bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq);
 void bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs);
 void bfa_hwcb_msix_install(struct bfa_s *bfa);
@@ -151,6 +153,7 @@ void bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
 void bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *vecmap,
 			u32 *nvecs, u32 *maxvec);
 void bfa_hwct_reginit(struct bfa_s *bfa);
+void bfa_hwct_reqq_ack(struct bfa_s *bfa, int rspq);
 void bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq);
 void bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs);
 void bfa_hwct_msix_install(struct bfa_s *bfa);
diff --git a/drivers/scsi/bfa/bfa_ioim.c b/drivers/scsi/bfa/bfa_ioim.c
index f81d359b7089..5b107abe46e5 100644
--- a/drivers/scsi/bfa/bfa_ioim.c
+++ b/drivers/scsi/bfa/bfa_ioim.c
@@ -149,7 +149,7 @@ bfa_ioim_sm_uninit(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ioim->bfa, event);
 	}
 }
 
@@ -194,7 +194,7 @@ bfa_ioim_sm_sgalloc(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ioim->bfa, event);
 	}
 }
 
@@ -259,7 +259,7 @@ bfa_ioim_sm_active(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ioim->bfa, event);
 	}
 }
 
@@ -317,7 +317,7 @@ bfa_ioim_sm_abort(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ioim->bfa, event);
 	}
 }
 
@@ -377,7 +377,7 @@ bfa_ioim_sm_cleanup(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ioim->bfa, event);
 	}
 }
 
@@ -419,7 +419,7 @@ bfa_ioim_sm_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ioim->bfa, event);
 	}
 }
 
@@ -467,7 +467,7 @@ bfa_ioim_sm_abort_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ioim->bfa, event);
 	}
 }
 
@@ -516,7 +516,7 @@ bfa_ioim_sm_cleanup_qfull(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ioim->bfa, event);
 	}
 }
 
@@ -544,7 +544,7 @@ bfa_ioim_sm_hcb(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ioim->bfa, event);
 	}
 }
 
@@ -577,7 +577,7 @@ bfa_ioim_sm_hcb_free(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ioim->bfa, event);
 	}
 }
 
@@ -605,7 +605,7 @@ bfa_ioim_sm_resfree(struct bfa_ioim_s *ioim, enum bfa_ioim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ioim->bfa, event);
 	}
 }
 
diff --git a/drivers/scsi/bfa/bfa_itnim.c b/drivers/scsi/bfa/bfa_itnim.c
index eabf7d38bd09..a914ff255135 100644
--- a/drivers/scsi/bfa/bfa_itnim.c
+++ b/drivers/scsi/bfa/bfa_itnim.c
@@ -144,7 +144,7 @@ bfa_itnim_sm_uninit(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -175,7 +175,7 @@ bfa_itnim_sm_created(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -212,7 +212,7 @@ bfa_itnim_sm_fwcreate(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -247,7 +247,7 @@ bfa_itnim_sm_fwcreate_qfull(struct bfa_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -275,7 +275,7 @@ bfa_itnim_sm_delete_pending(struct bfa_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -317,7 +317,7 @@ bfa_itnim_sm_online(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -348,7 +348,7 @@ bfa_itnim_sm_sler(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -385,7 +385,7 @@ bfa_itnim_sm_cleanup_offline(struct bfa_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -413,7 +413,7 @@ bfa_itnim_sm_cleanup_delete(struct bfa_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -442,7 +442,7 @@ bfa_itnim_sm_fwdelete(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -470,7 +470,7 @@ bfa_itnim_sm_fwdelete_qfull(struct bfa_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -502,7 +502,7 @@ bfa_itnim_sm_offline(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -538,7 +538,7 @@ bfa_itnim_sm_iocdisable(struct bfa_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -559,7 +559,7 @@ bfa_itnim_sm_deleting(struct bfa_itnim_s *itnim, enum bfa_itnim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
@@ -583,7 +583,7 @@ bfa_itnim_sm_deleting_qfull(struct bfa_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->bfa, event);
 	}
 }
 
diff --git a/drivers/scsi/bfa/bfa_lps.c b/drivers/scsi/bfa/bfa_lps.c
index 9844b45412b6..ad06f6189092 100644
--- a/drivers/scsi/bfa/bfa_lps.c
+++ b/drivers/scsi/bfa/bfa_lps.c
@@ -18,6 +18,7 @@
 #include <bfa.h>
 #include <bfi/bfi_lps.h>
 #include <cs/bfa_debug.h>
+#include <defs/bfa_defs_pci.h>
 
 BFA_TRC_FILE(HAL, LPS);
 BFA_MODULE(lps);
@@ -25,6 +26,12 @@ BFA_MODULE(lps);
 #define BFA_LPS_MIN_LPORTS	(1)
 #define BFA_LPS_MAX_LPORTS	(256)
 
+/*
+ * Maximum Vports supported per physical port or vf.
+ */
+#define BFA_LPS_MAX_VPORTS_SUPP_CB  255
+#define BFA_LPS_MAX_VPORTS_SUPP_CT  190
+
 /**
  * forward declarations
  */
@@ -49,7 +56,7 @@ static void bfa_lps_send_login(struct bfa_lps_s *lps);
 static void bfa_lps_send_logout(struct bfa_lps_s *lps);
 static void bfa_lps_login_comp(struct bfa_lps_s *lps);
 static void bfa_lps_logout_comp(struct bfa_lps_s *lps);
-
+static void bfa_lps_cvl_event(struct bfa_lps_s *lps);
 
 /**
  *  lps_pvt BFA LPS private functions
@@ -62,6 +69,7 @@ enum bfa_lps_event {
 	BFA_LPS_SM_RESUME	= 4,	/* space present in reqq queue	*/
 	BFA_LPS_SM_DELETE	= 5,	/* lps delete from user		*/
 	BFA_LPS_SM_OFFLINE	= 6,	/* Link is offline		*/
+	BFA_LPS_SM_RX_CVL       = 7,	/* Rx clear virtual link        */
 };
 
 static void bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event);
@@ -91,6 +99,12 @@ bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event)
 			bfa_sm_set_state(lps, bfa_lps_sm_login);
 			bfa_lps_send_login(lps);
 		}
+		if (lps->fdisc)
+			bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+			BFA_PL_EID_LOGIN, 0, "FDISC Request");
+		else
+			bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+			BFA_PL_EID_LOGIN, 0, "FLOGI Request");
 		break;
 
 	case BFA_LPS_SM_LOGOUT:
@@ -101,6 +115,7 @@ bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event)
 		bfa_lps_free(lps);
 		break;
 
+	case BFA_LPS_SM_RX_CVL:
 	case BFA_LPS_SM_OFFLINE:
 		break;
 
@@ -112,7 +127,7 @@ bfa_lps_sm_init(struct bfa_lps_s *lps, enum bfa_lps_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(lps->bfa, event);
 	}
 }
 
@@ -127,10 +142,25 @@ bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
 
 	switch (event) {
 	case BFA_LPS_SM_FWRSP:
-		if (lps->status == BFA_STATUS_OK)
+		if (lps->status == BFA_STATUS_OK) {
 			bfa_sm_set_state(lps, bfa_lps_sm_online);
-		else
+			if (lps->fdisc)
+				bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+				BFA_PL_EID_LOGIN, 0, "FDISC Accept");
+			else
+				bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+				BFA_PL_EID_LOGIN, 0, "FLOGI Accept");
+		} else {
 			bfa_sm_set_state(lps, bfa_lps_sm_init);
+			if (lps->fdisc)
+				bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+				BFA_PL_EID_LOGIN, 0,
+				"FDISC Fail (RJT or timeout)");
+			else
+				bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+				BFA_PL_EID_LOGIN, 0,
+				"FLOGI Fail (RJT or timeout)");
+		}
 		bfa_lps_login_comp(lps);
 		break;
 
@@ -139,7 +169,7 @@ bfa_lps_sm_login(struct bfa_lps_s *lps, enum bfa_lps_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(lps->bfa, event);
 	}
 }
 
@@ -162,8 +192,16 @@ bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event)
 		bfa_reqq_wcancel(&lps->wqe);
 		break;
 
+	case BFA_LPS_SM_RX_CVL:
+		/*
+		 * Login was not even sent out; so when getting out
+		 * of this state, it will appear like a login retry
+		 * after Clear virtual link
+		 */
+		break;
+
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(lps->bfa, event);
 	}
 }
 
@@ -185,6 +223,17 @@ bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event)
 			bfa_sm_set_state(lps, bfa_lps_sm_logout);
 			bfa_lps_send_logout(lps);
 		}
+		bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+			BFA_PL_EID_LOGO, 0, "Logout");
+		break;
+
+	case BFA_LPS_SM_RX_CVL:
+		bfa_sm_set_state(lps, bfa_lps_sm_init);
+
+		/* Let the vport module know about this event */
+		bfa_lps_cvl_event(lps);
+		bfa_plog_str(lps->bfa->plog, BFA_PL_MID_LPS,
+			BFA_PL_EID_FIP_FCF_CVL, 0, "FCF Clear Virt. Link Rx");
 		break;
 
 	case BFA_LPS_SM_OFFLINE:
@@ -193,7 +242,7 @@ bfa_lps_sm_online(struct bfa_lps_s *lps, enum bfa_lps_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(lps->bfa, event);
 	}
 }
 
@@ -217,7 +266,7 @@ bfa_lps_sm_logout(struct bfa_lps_s *lps, enum bfa_lps_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(lps->bfa, event);
 	}
 }
 
@@ -242,7 +291,7 @@ bfa_lps_sm_logowait(struct bfa_lps_s *lps, enum bfa_lps_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(lps->bfa, event);
 	}
 }
 
@@ -396,6 +445,20 @@ bfa_lps_logout_rsp(struct bfa_s *bfa, struct bfi_lps_logout_rsp_s *rsp)
 }
 
 /**
+ * Firmware received a Clear virtual link request (for FCoE)
+ */
+static void
+bfa_lps_rx_cvl_event(struct bfa_s *bfa, struct bfi_lps_cvl_event_s *cvl)
+{
+	struct bfa_lps_mod_s    *mod = BFA_LPS_MOD(bfa);
+	struct bfa_lps_s        *lps;
+
+	lps = BFA_LPS_FROM_TAG(mod, cvl->lp_tag);
+
+	bfa_sm_send_event(lps, BFA_LPS_SM_RX_CVL);
+}
+
+/**
  * Space is available in request queue, resume queueing request to firmware.
  */
 static void
@@ -531,7 +594,48 @@ bfa_lps_logout_comp(struct bfa_lps_s *lps)
 		bfa_cb_lps_flogo_comp(lps->bfa->bfad, lps->uarg);
 }
 
+/**
+ * Clear virtual link completion handler for non-fcs
+ */
+static void
+bfa_lps_cvl_event_cb(void *arg, bfa_boolean_t complete)
+{
+	struct bfa_lps_s *lps   = arg;
+
+	if (!complete)
+		return;
+
+	/* Clear virtual link to base port will result in link down */
+	if (lps->fdisc)
+		bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
+}
+
+/**
+ * Received Clear virtual link event --direct call for fcs,
+ * queue for others
+ */
+static void
+bfa_lps_cvl_event(struct bfa_lps_s *lps)
+{
+	if (!lps->bfa->fcs) {
+		bfa_cb_queue(lps->bfa, &lps->hcb_qe, bfa_lps_cvl_event_cb,
+				lps);
+		return;
+	}
+
+	/* Clear virtual link to base port will result in link down */
+	if (lps->fdisc)
+		bfa_cb_lps_cvl_event(lps->bfa->bfad, lps->uarg);
+}
 
+u32
+bfa_lps_get_max_vport(struct bfa_s *bfa)
+{
+	if (bfa_ioc_devid(&bfa->ioc) == BFA_PCI_DEVICE_ID_CT)
+		return BFA_LPS_MAX_VPORTS_SUPP_CT;
+	else
+		return BFA_LPS_MAX_VPORTS_SUPP_CB;
+}
 
 /**
  *  lps_public BFA LPS public functions
@@ -752,6 +856,14 @@ bfa_lps_get_lsrjt_expl(struct bfa_lps_s *lps)
 	return lps->lsrjt_expl;
 }
 
+/**
+ * Return fpma/spma MAC for lport
+ */
+struct mac_s
+bfa_lps_get_lp_mac(struct bfa_lps_s *lps)
+{
+	return lps->lp_mac;
+}
 
 /**
  * LPS firmware message class handler.
@@ -773,6 +885,10 @@ bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *m)
 		bfa_lps_logout_rsp(bfa, msg.logout_rsp);
 		break;
 
+	case BFI_LPS_H2I_CVL_EVENT:
+		bfa_lps_rx_cvl_event(bfa, msg.cvl_event);
+		break;
+
 	default:
 		bfa_trc(bfa, m->mhdr.msg_id);
 		bfa_assert(0);
diff --git a/drivers/scsi/bfa/bfa_module.c b/drivers/scsi/bfa/bfa_module.c
index 32eda8e1ec65..a7fcc80c177e 100644
--- a/drivers/scsi/bfa/bfa_module.c
+++ b/drivers/scsi/bfa/bfa_module.c
@@ -24,7 +24,7 @@
  */
 struct bfa_module_s *hal_mods[] = {
 	&hal_mod_sgpg,
-	&hal_mod_pport,
+	&hal_mod_fcport,
 	&hal_mod_fcxp,
 	&hal_mod_lps,
 	&hal_mod_uf,
@@ -45,7 +45,7 @@ bfa_isr_func_t  bfa_isrs[BFI_MC_MAX] = {
 	bfa_isr_unhandled,	/* BFI_MC_DIAG */
 	bfa_isr_unhandled,	/* BFI_MC_FLASH */
 	bfa_isr_unhandled,	/* BFI_MC_CEE */
-	bfa_pport_isr,		/* BFI_MC_PORT */
+	bfa_fcport_isr,		/* BFI_MC_FCPORT */
 	bfa_isr_unhandled,	/* BFI_MC_IOCFC */
 	bfa_isr_unhandled,	/* BFI_MC_LL */
 	bfa_uf_isr,		/* BFI_MC_UF */
diff --git a/drivers/scsi/bfa/bfa_modules_priv.h b/drivers/scsi/bfa/bfa_modules_priv.h
index 96f70534593c..f554c2fad6a9 100644
--- a/drivers/scsi/bfa/bfa_modules_priv.h
+++ b/drivers/scsi/bfa/bfa_modules_priv.h
@@ -29,7 +29,7 @@
 
 
 struct bfa_modules_s {
-	struct bfa_pport_s	pport;	/*  physical port module	*/
+	struct bfa_fcport_s	fcport;	/*  fc port module	*/
 	struct bfa_fcxp_mod_s fcxp_mod; /*  fcxp module		*/
 	struct bfa_lps_mod_s lps_mod;   /*  fcxp module		*/
 	struct bfa_uf_mod_s uf_mod;	/*  unsolicited frame module	*/
diff --git a/drivers/scsi/bfa/bfa_port_priv.h b/drivers/scsi/bfa/bfa_port_priv.h
index 51f698a06b6d..40e256ec67ff 100644
--- a/drivers/scsi/bfa/bfa_port_priv.h
+++ b/drivers/scsi/bfa/bfa_port_priv.h
@@ -23,9 +23,19 @@
 #include "bfa_intr_priv.h"
 
 /**
- * BFA physical port data structure
+ * Link notification data structure
  */
-struct bfa_pport_s {
+struct bfa_fcport_ln_s {
+	struct bfa_fcport_s     *fcport;
+	bfa_sm_t                sm;
+	struct bfa_cb_qe_s      ln_qe;  /*  BFA callback queue elem for ln */
+	enum bfa_pport_linkstate ln_event; /*  ln event for callback */
+};
+
+/**
+ * BFA FC port data structure
+ */
+struct bfa_fcport_s {
 	struct bfa_s 		*bfa;	/*  parent BFA instance */
 	bfa_sm_t		sm;	/*  port state machine */
 	wwn_t			nwwn;	/*  node wwn of physical port */
@@ -36,6 +46,8 @@ struct bfa_pport_s {
 	enum bfa_pport_topology topology;	/*  current topology */
 	u8			myalpa;	/*  my ALPA in LOOP topology */
 	u8			rsvd[3];
+	u32             mypid:24;
+	u32             rsvd_b:8;
 	struct bfa_pport_cfg_s	cfg;	/*  current port configuration */
 	struct bfa_qos_attr_s  qos_attr;   /* QoS Attributes */
 	struct bfa_qos_vc_attr_s qos_vc_attr;  /*  VC info from ELP */
@@ -49,42 +61,31 @@ struct bfa_pport_s {
 	void			(*event_cbfn) (void *cbarg,
 						bfa_pport_event_t event);
 	union {
-		union bfi_pport_i2h_msg_u i2hmsg;
+		union bfi_fcport_i2h_msg_u i2hmsg;
 	} event_arg;
 	void			*bfad;	/*  BFA driver handle */
+	struct bfa_fcport_ln_s   ln; /* Link Notification */
 	struct bfa_cb_qe_s		hcb_qe;	/*  BFA callback queue elem */
-	enum bfa_pport_linkstate	hcb_event;
-					/*  link event for callback */
+	struct bfa_timer_s      timer;  /*  timer */
 	u32		msgtag;	/*  fimrware msg tag for reply */
 	u8			*stats_kva;
 	u64		stats_pa;
-	union bfa_pport_stats_u *stats;	/*  pport stats */
-	u32		mypid:24;
-	u32		rsvd_b:8;
-	struct bfa_timer_s 	timer;	/*  timer */
-	union bfa_pport_stats_u 	*stats_ret;
-					/*  driver stats location */
-	bfa_status_t		stats_status;
-					/*  stats/statsclr status */
-	bfa_boolean_t   	stats_busy;
-					/*  outstanding stats/statsclr */
-	bfa_boolean_t   	stats_qfull;
-	bfa_boolean_t   	diag_busy;
-					/*  diag busy status */
-	bfa_boolean_t   	beacon;
-					/*  port beacon status */
-	bfa_boolean_t   	link_e2e_beacon;
-					/*  link beacon status */
-	bfa_cb_pport_t		stats_cbfn;
-					/*  driver callback function */
-	void			*stats_cbarg;
-					/* *!< user callback arg */
+	union bfa_fcport_stats_u *stats;
+	union bfa_fcport_stats_u *stats_ret; /*  driver stats location */
+	bfa_status_t            stats_status; /*  stats/statsclr status */
+	bfa_boolean_t           stats_busy; /*  outstanding stats/statsclr */
+	bfa_boolean_t           stats_qfull;
+	bfa_cb_pport_t          stats_cbfn; /*  driver callback function */
+	void                    *stats_cbarg; /* *!< user callback arg */
+	bfa_boolean_t           diag_busy; /*  diag busy status */
+	bfa_boolean_t           beacon; /*  port beacon status */
+	bfa_boolean_t           link_e2e_beacon; /*  link beacon status */
 };
 
-#define BFA_PORT_MOD(__bfa)	(&(__bfa)->modules.pport)
+#define BFA_FCPORT_MOD(__bfa)	(&(__bfa)->modules.fcport)
 
 /*
  * public functions
  */
-void	bfa_pport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
+void	bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
 #endif /* __BFA_PORT_PRIV_H__ */
diff --git a/drivers/scsi/bfa/bfa_priv.h b/drivers/scsi/bfa/bfa_priv.h
index 0747a6b26f7b..be80fc7e1b0e 100644
--- a/drivers/scsi/bfa/bfa_priv.h
+++ b/drivers/scsi/bfa/bfa_priv.h
@@ -101,7 +101,7 @@ extern bfa_boolean_t bfa_auto_recover;
 extern struct bfa_module_s hal_mod_flash;
 extern struct bfa_module_s hal_mod_fcdiag;
 extern struct bfa_module_s hal_mod_sgpg;
-extern struct bfa_module_s hal_mod_pport;
+extern struct bfa_module_s hal_mod_fcport;
 extern struct bfa_module_s hal_mod_fcxp;
 extern struct bfa_module_s hal_mod_lps;
 extern struct bfa_module_s hal_mod_uf;
diff --git a/drivers/scsi/bfa/bfa_rport.c b/drivers/scsi/bfa/bfa_rport.c
index 3e1990a74258..7c509fa244e4 100644
--- a/drivers/scsi/bfa/bfa_rport.c
+++ b/drivers/scsi/bfa/bfa_rport.c
@@ -114,7 +114,7 @@ bfa_rport_sm_uninit(struct bfa_rport_s *rp, enum bfa_rport_event event)
 
 	default:
 		bfa_stats(rp, sm_un_unexp);
-		bfa_assert(0);
+		bfa_sm_fault(rp->bfa, event);
 	}
 }
 
@@ -146,7 +146,7 @@ bfa_rport_sm_created(struct bfa_rport_s *rp, enum bfa_rport_event event)
 
 	default:
 		bfa_stats(rp, sm_cr_unexp);
-		bfa_assert(0);
+		bfa_sm_fault(rp->bfa, event);
 	}
 }
 
@@ -183,7 +183,7 @@ bfa_rport_sm_fwcreate(struct bfa_rport_s *rp, enum bfa_rport_event event)
 
 	default:
 		bfa_stats(rp, sm_fwc_unexp);
-		bfa_assert(0);
+		bfa_sm_fault(rp->bfa, event);
 	}
 }
 
@@ -224,7 +224,7 @@ bfa_rport_sm_fwcreate_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
 
 	default:
 		bfa_stats(rp, sm_fwc_unexp);
-		bfa_assert(0);
+		bfa_sm_fault(rp->bfa, event);
 	}
 }
 
@@ -296,7 +296,7 @@ bfa_rport_sm_online(struct bfa_rport_s *rp, enum bfa_rport_event event)
 
 	default:
 		bfa_stats(rp, sm_on_unexp);
-		bfa_assert(0);
+		bfa_sm_fault(rp->bfa, event);
 	}
 }
 
@@ -329,7 +329,7 @@ bfa_rport_sm_fwdelete(struct bfa_rport_s *rp, enum bfa_rport_event event)
 
 	default:
 		bfa_stats(rp, sm_fwd_unexp);
-		bfa_assert(0);
+		bfa_sm_fault(rp->bfa, event);
 	}
 }
 
@@ -359,7 +359,7 @@ bfa_rport_sm_fwdelete_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
 
 	default:
 		bfa_stats(rp, sm_fwd_unexp);
-		bfa_assert(0);
+		bfa_sm_fault(rp->bfa, event);
 	}
 }
 
@@ -394,7 +394,7 @@ bfa_rport_sm_offline(struct bfa_rport_s *rp, enum bfa_rport_event event)
 
 	default:
 		bfa_stats(rp, sm_off_unexp);
-		bfa_assert(0);
+		bfa_sm_fault(rp->bfa, event);
 	}
 }
 
@@ -421,7 +421,7 @@ bfa_rport_sm_deleting(struct bfa_rport_s *rp, enum bfa_rport_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rp->bfa, event);
 	}
 }
 
@@ -446,7 +446,7 @@ bfa_rport_sm_deleting_qfull(struct bfa_rport_s *rp, enum bfa_rport_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rp->bfa, event);
 	}
 }
 
@@ -477,7 +477,7 @@ bfa_rport_sm_delete_pending(struct bfa_rport_s *rp,
 
 	default:
 		bfa_stats(rp, sm_delp_unexp);
-		bfa_assert(0);
+		bfa_sm_fault(rp->bfa, event);
 	}
 }
 
@@ -512,7 +512,7 @@ bfa_rport_sm_offline_pending(struct bfa_rport_s *rp,
 
 	default:
 		bfa_stats(rp, sm_offp_unexp);
-		bfa_assert(0);
+		bfa_sm_fault(rp->bfa, event);
 	}
 }
 
@@ -550,7 +550,7 @@ bfa_rport_sm_iocdisable(struct bfa_rport_s *rp, enum bfa_rport_event event)
 
 	default:
 		bfa_stats(rp, sm_iocd_unexp);
-		bfa_assert(0);
+		bfa_sm_fault(rp->bfa, event);
 	}
 }
 
diff --git a/drivers/scsi/bfa/bfa_trcmod_priv.h b/drivers/scsi/bfa/bfa_trcmod_priv.h
index b3562dce7e9f..a7a82610db85 100644
--- a/drivers/scsi/bfa/bfa_trcmod_priv.h
+++ b/drivers/scsi/bfa/bfa_trcmod_priv.h
@@ -29,38 +29,36 @@
  * !!! needed between trace utility and driver version
  */
 enum {
-	BFA_TRC_HAL_IOC		= 1,
-	BFA_TRC_HAL_INTR	= 2,
-	BFA_TRC_HAL_FCXP	= 3,
-	BFA_TRC_HAL_UF		= 4,
-	BFA_TRC_HAL_DIAG	= 5,
-	BFA_TRC_HAL_RPORT	= 6,
-	BFA_TRC_HAL_FCPIM	= 7,
-	BFA_TRC_HAL_IOIM	= 8,
-	BFA_TRC_HAL_TSKIM	= 9,
-	BFA_TRC_HAL_ITNIM	= 10,
-	BFA_TRC_HAL_PPORT	= 11,
-	BFA_TRC_HAL_SGPG	= 12,
-	BFA_TRC_HAL_FLASH	= 13,
-	BFA_TRC_HAL_DEBUG	= 14,
-	BFA_TRC_HAL_WWN		= 15,
-	BFA_TRC_HAL_FLASH_RAW	= 16,
-	BFA_TRC_HAL_SBOOT	= 17,
-	BFA_TRC_HAL_SBOOT_IO	= 18,
-	BFA_TRC_HAL_SBOOT_INTR	= 19,
-	BFA_TRC_HAL_SBTEST	= 20,
-	BFA_TRC_HAL_IPFC	= 21,
-	BFA_TRC_HAL_IOCFC	= 22,
-	BFA_TRC_HAL_FCPTM	= 23,
-	BFA_TRC_HAL_IOTM	= 24,
-	BFA_TRC_HAL_TSKTM	= 25,
-	BFA_TRC_HAL_TIN		= 26,
-	BFA_TRC_HAL_LPS		= 27,
-	BFA_TRC_HAL_FCDIAG	= 28,
-	BFA_TRC_HAL_PBIND	= 29,
-	BFA_TRC_HAL_IOCFC_CT	= 30,
-	BFA_TRC_HAL_IOCFC_CB	= 31,
-	BFA_TRC_HAL_IOCFC_Q	= 32,
+	BFA_TRC_HAL_INTR	= 1,
+	BFA_TRC_HAL_FCXP	= 2,
+	BFA_TRC_HAL_UF		= 3,
+	BFA_TRC_HAL_RPORT	= 4,
+	BFA_TRC_HAL_FCPIM	= 5,
+	BFA_TRC_HAL_IOIM	= 6,
+	BFA_TRC_HAL_TSKIM	= 7,
+	BFA_TRC_HAL_ITNIM	= 8,
+	BFA_TRC_HAL_FCPORT	= 9,
+	BFA_TRC_HAL_SGPG	= 10,
+	BFA_TRC_HAL_FLASH	= 11,
+	BFA_TRC_HAL_DEBUG	= 12,
+	BFA_TRC_HAL_WWN		= 13,
+	BFA_TRC_HAL_FLASH_RAW	= 14,
+	BFA_TRC_HAL_SBOOT	= 15,
+	BFA_TRC_HAL_SBOOT_IO	= 16,
+	BFA_TRC_HAL_SBOOT_INTR	= 17,
+	BFA_TRC_HAL_SBTEST	= 18,
+	BFA_TRC_HAL_IPFC	= 19,
+	BFA_TRC_HAL_IOCFC	= 20,
+	BFA_TRC_HAL_FCPTM	= 21,
+	BFA_TRC_HAL_IOTM	= 22,
+	BFA_TRC_HAL_TSKTM	= 23,
+	BFA_TRC_HAL_TIN		= 24,
+	BFA_TRC_HAL_LPS		= 25,
+	BFA_TRC_HAL_FCDIAG	= 26,
+	BFA_TRC_HAL_PBIND	= 27,
+	BFA_TRC_HAL_IOCFC_CT	= 28,
+	BFA_TRC_HAL_IOCFC_CB	= 29,
+	BFA_TRC_HAL_IOCFC_Q	= 30,
 };
 
 #endif /* __BFA_TRCMOD_PRIV_H__ */
diff --git a/drivers/scsi/bfa/bfa_tskim.c b/drivers/scsi/bfa/bfa_tskim.c
index ff7a4dc0bf3c..ad9aaaedd3f1 100644
--- a/drivers/scsi/bfa/bfa_tskim.c
+++ b/drivers/scsi/bfa/bfa_tskim.c
@@ -110,7 +110,7 @@ bfa_tskim_sm_uninit(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(tskim->bfa, event);
 	}
 }
 
@@ -146,7 +146,7 @@ bfa_tskim_sm_active(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(tskim->bfa, event);
 	}
 }
 
@@ -178,7 +178,7 @@ bfa_tskim_sm_cleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(tskim->bfa, event);
 	}
 }
 
@@ -207,7 +207,7 @@ bfa_tskim_sm_iocleanup(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(tskim->bfa, event);
 	}
 }
 
@@ -242,7 +242,7 @@ bfa_tskim_sm_qfull(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(tskim->bfa, event);
 	}
 }
 
@@ -277,7 +277,7 @@ bfa_tskim_sm_cleanup_qfull(struct bfa_tskim_s *tskim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(tskim->bfa, event);
 	}
 }
 
@@ -303,7 +303,7 @@ bfa_tskim_sm_hcb(struct bfa_tskim_s *tskim, enum bfa_tskim_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(tskim->bfa, event);
 	}
 }
 
diff --git a/drivers/scsi/bfa/bfad.c b/drivers/scsi/bfa/bfad.c
index b52b773d49d9..6bff08ea4029 100644
--- a/drivers/scsi/bfa/bfad.c
+++ b/drivers/scsi/bfa/bfad.c
@@ -20,6 +20,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/kthread.h>
 #include "bfad_drv.h"
 #include "bfad_im.h"
 #include "bfad_tm.h"
@@ -53,6 +54,7 @@ static int      log_level = BFA_LOG_WARNING;
 static int      ioc_auto_recover = BFA_TRUE;
 static int      ipfc_enable = BFA_FALSE;
 static int      ipfc_mtu = -1;
+static int	fdmi_enable = BFA_TRUE;
 int 		bfa_lun_queue_depth = BFAD_LUN_QUEUE_DEPTH;
 int      	bfa_linkup_delay = -1;
 
@@ -74,6 +76,7 @@ module_param(log_level, int, S_IRUGO | S_IWUSR);
 module_param(ioc_auto_recover, int, S_IRUGO | S_IWUSR);
 module_param(ipfc_enable, int, S_IRUGO | S_IWUSR);
 module_param(ipfc_mtu, int, S_IRUGO | S_IWUSR);
+module_param(fdmi_enable, int, S_IRUGO | S_IWUSR);
 module_param(bfa_linkup_delay, int, S_IRUGO | S_IWUSR);
 
 /*
@@ -95,6 +98,8 @@ bfad_fc4_probe(struct bfad_s *bfad)
 
 	if (ipfc_enable)
 		bfad_ipfc_probe(bfad);
+
+	bfad->bfad_flags |= BFAD_FC4_PROBE_DONE;
 ext:
 	return rc;
 }
@@ -106,6 +111,7 @@ bfad_fc4_probe_undo(struct bfad_s *bfad)
 	bfad_tm_probe_undo(bfad);
 	if (ipfc_enable)
 		bfad_ipfc_probe_undo(bfad);
+	bfad->bfad_flags &= ~BFAD_FC4_PROBE_DONE;
 }
 
 static void
@@ -173,9 +179,19 @@ bfa_cb_init(void *drv, bfa_status_t init_status)
 {
 	struct bfad_s  *bfad = drv;
 
-	if (init_status == BFA_STATUS_OK)
+	if (init_status == BFA_STATUS_OK) {
 		bfad->bfad_flags |= BFAD_HAL_INIT_DONE;
 
+		/* If BFAD_HAL_INIT_FAIL flag is set:
+		 * Wake up the kernel thread to start
+		 * the bfad operations after HAL init done
+		 */
+		if ((bfad->bfad_flags & BFAD_HAL_INIT_FAIL)) {
+			bfad->bfad_flags &= ~BFAD_HAL_INIT_FAIL;
+			wake_up_process(bfad->bfad_tsk);
+		}
+	}
+
 	complete(&bfad->comp);
 }
 
@@ -648,7 +664,7 @@ bfad_fcs_port_cfg(struct bfad_s *bfad)
 
 	sprintf(symname, "%s-%d", BFAD_DRIVER_NAME, bfad->inst_no);
 	memcpy(port_cfg.sym_name.symname, symname, strlen(symname));
-	bfa_pport_get_attr(&bfad->bfa, &attr);
+	bfa_fcport_get_attr(&bfad->bfa, &attr);
 	port_cfg.nwwn = attr.nwwn;
 	port_cfg.pwwn = attr.pwwn;
 
@@ -661,7 +677,6 @@ bfad_drv_init(struct bfad_s *bfad)
 	bfa_status_t    rc;
 	unsigned long   flags;
 	struct bfa_fcs_driver_info_s driver_info;
-	int             i;
 
 	bfad->cfg_data.rport_del_timeout = rport_del_timeout;
 	bfad->cfg_data.lun_queue_depth = bfa_lun_queue_depth;
@@ -681,12 +696,7 @@ bfad_drv_init(struct bfad_s *bfad)
 	bfa_init_log(&bfad->bfa, bfad->logmod);
 	bfa_init_trc(&bfad->bfa, bfad->trcmod);
 	bfa_init_aen(&bfad->bfa, bfad->aen);
-	INIT_LIST_HEAD(&bfad->file_q);
-	INIT_LIST_HEAD(&bfad->file_free_q);
-	for (i = 0; i < BFAD_AEN_MAX_APPS; i++) {
-		bfa_q_qe_init(&bfad->file_buf[i].qe);
-		list_add_tail(&bfad->file_buf[i].qe, &bfad->file_free_q);
-	}
+	memset(bfad->file_map, 0, sizeof(bfad->file_map));
 	bfa_init_plog(&bfad->bfa, &bfad->plog_buf);
 	bfa_plog_init(&bfad->plog_buf);
 	bfa_plog_str(&bfad->plog_buf, BFA_PL_MID_DRVR, BFA_PL_EID_DRIVER_START,
@@ -746,8 +756,16 @@ bfad_drv_init(struct bfad_s *bfad)
 	bfa_fcs_log_init(&bfad->bfa_fcs, bfad->logmod);
 	bfa_fcs_trc_init(&bfad->bfa_fcs, bfad->trcmod);
 	bfa_fcs_aen_init(&bfad->bfa_fcs, bfad->aen);
-	bfa_fcs_init(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
+	bfa_fcs_attach(&bfad->bfa_fcs, &bfad->bfa, bfad, BFA_FALSE);
+
+	/* Do FCS init only when HAL init is done */
+	if ((bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
+		bfa_fcs_init(&bfad->bfa_fcs);
+		bfad->bfad_flags |= BFAD_FCS_INIT_DONE;
+	}
+
 	bfa_fcs_driver_info_init(&bfad->bfa_fcs, &driver_info);
+	bfa_fcs_set_fdmi_param(&bfad->bfa_fcs, fdmi_enable);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 
 	bfad->bfad_flags |= BFAD_DRV_INIT_DONE;
@@ -763,12 +781,21 @@ out_hal_mem_alloc_failure:
 void
 bfad_drv_uninit(struct bfad_s *bfad)
 {
+	unsigned long   flags;
+
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	init_completion(&bfad->comp);
+	bfa_stop(&bfad->bfa);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+	wait_for_completion(&bfad->comp);
+
 	del_timer_sync(&bfad->hal_tmo);
 	bfa_isr_disable(&bfad->bfa);
 	bfa_detach(&bfad->bfa);
 	bfad_remove_intr(bfad);
-	bfa_assert(list_empty(&bfad->file_q));
 	bfad_hal_mem_release(bfad);
+
+	bfad->bfad_flags &= ~BFAD_DRV_INIT_DONE;
 }
 
 void
@@ -859,6 +886,86 @@ bfad_drv_log_level_set(struct bfad_s *bfad)
 		bfa_log_set_level_all(&bfad->log_data, log_level);
 }
 
+bfa_status_t
+bfad_start_ops(struct bfad_s *bfad)
+{
+	int retval;
+
+	/* PPORT FCS config */
+	bfad_fcs_port_cfg(bfad);
+
+	retval = bfad_cfg_pport(bfad, BFA_PORT_ROLE_FCP_IM);
+	if (retval != BFA_STATUS_OK)
+		goto out_cfg_pport_failure;
+
+	/* BFAD level FC4 (IM/TM/IPFC) specific resource allocation */
+	retval = bfad_fc4_probe(bfad);
+	if (retval != BFA_STATUS_OK) {
+		printk(KERN_WARNING "bfad_fc4_probe failed\n");
+		goto out_fc4_probe_failure;
+	}
+
+	bfad_drv_start(bfad);
+
+	/*
+	 * If bfa_linkup_delay is set to -1 default; try to retrive the
+	 * value using the bfad_os_get_linkup_delay(); else use the
+	 * passed in module param value as the bfa_linkup_delay.
+	 */
+	if (bfa_linkup_delay < 0) {
+
+		bfa_linkup_delay = bfad_os_get_linkup_delay(bfad);
+		bfad_os_rport_online_wait(bfad);
+		bfa_linkup_delay = -1;
+
+	} else {
+		bfad_os_rport_online_wait(bfad);
+	}
+
+	bfa_log(bfad->logmod, BFA_LOG_LINUX_DEVICE_CLAIMED, bfad->pci_name);
+
+	return BFA_STATUS_OK;
+
+out_fc4_probe_failure:
+	bfad_fc4_probe_undo(bfad);
+	bfad_uncfg_pport(bfad);
+out_cfg_pport_failure:
+	return BFA_STATUS_FAILED;
+}
+
+int
+bfad_worker (void *ptr)
+{
+	struct bfad_s *bfad;
+	unsigned long   flags;
+
+	bfad = (struct bfad_s *)ptr;
+
+	while (!kthread_should_stop()) {
+
+		/* Check if the FCS init is done from bfad_drv_init;
+		 * if not done do FCS init and set the flag.
+		 */
+		if (!(bfad->bfad_flags & BFAD_FCS_INIT_DONE)) {
+			spin_lock_irqsave(&bfad->bfad_lock, flags);
+			bfa_fcs_init(&bfad->bfa_fcs);
+			bfad->bfad_flags |= BFAD_FCS_INIT_DONE;
+			spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+		}
+
+		/* Start the bfad operations after HAL init done */
+		bfad_start_ops(bfad);
+
+		spin_lock_irqsave(&bfad->bfad_lock, flags);
+		bfad->bfad_tsk = NULL;
+		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
+		break;
+	}
+
+	return 0;
+}
+
  /*
   *  PCI_entry PCI driver entries * {
   */
@@ -871,7 +978,6 @@ bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
 {
 	struct bfad_s  *bfad;
 	int             error = -ENODEV, retval;
-	char            buf[16];
 
 	/*
 	 * For single port cards - only claim function 0
@@ -902,8 +1008,7 @@ bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
 	bfa_trc(bfad, bfad_inst);
 
 	bfad->logmod = &bfad->log_data;
-	sprintf(buf, "%d", bfad_inst);
-	bfa_log_init(bfad->logmod, buf, bfa_os_printf);
+	bfa_log_init(bfad->logmod, (char *)pci_name(pdev), bfa_os_printf);
 
 	bfad_drv_log_level_set(bfad);
 
@@ -933,57 +1038,39 @@ bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid)
 	bfad->ref_count = 0;
 	bfad->pport.bfad = bfad;
 
+	bfad->bfad_tsk = kthread_create(bfad_worker, (void *) bfad, "%s",
+					"bfad_worker");
+	if (IS_ERR(bfad->bfad_tsk)) {
+		printk(KERN_INFO "bfad[%d]: Kernel thread"
+			" creation failed!\n",
+			bfad->inst_no);
+		goto out_kthread_create_failure;
+	}
+
 	retval = bfad_drv_init(bfad);
 	if (retval != BFA_STATUS_OK)
 		goto out_drv_init_failure;
 	if (!(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
+		bfad->bfad_flags |= BFAD_HAL_INIT_FAIL;
 		printk(KERN_WARNING "bfad%d: hal init failed\n", bfad->inst_no);
 		goto ok;
 	}
 
-	/*
-	 * PPORT FCS config
-	 */
-	bfad_fcs_port_cfg(bfad);
-
-	retval = bfad_cfg_pport(bfad, BFA_PORT_ROLE_FCP_IM);
+	retval = bfad_start_ops(bfad);
 	if (retval != BFA_STATUS_OK)
-		goto out_cfg_pport_failure;
-
-	/*
-	 * BFAD level FC4 (IM/TM/IPFC) specific resource allocation
-	 */
-	retval = bfad_fc4_probe(bfad);
-	if (retval != BFA_STATUS_OK) {
-		printk(KERN_WARNING "bfad_fc4_probe failed\n");
-		goto out_fc4_probe_failure;
-	}
+		goto out_start_ops_failure;
 
-	bfad_drv_start(bfad);
-
-	/*
-	 * If bfa_linkup_delay is set to -1 default; try to retrive the
-	 * value using the bfad_os_get_linkup_delay(); else use the
-	 * passed in module param value as the bfa_linkup_delay.
-	 */
-	if (bfa_linkup_delay < 0) {
-		bfa_linkup_delay = bfad_os_get_linkup_delay(bfad);
-		bfad_os_rport_online_wait(bfad);
-		bfa_linkup_delay = -1;
-	} else {
-		bfad_os_rport_online_wait(bfad);
-	}
+	kthread_stop(bfad->bfad_tsk);
+	bfad->bfad_tsk = NULL;
 
-	bfa_log(bfad->logmod, BFA_LOG_LINUX_DEVICE_CLAIMED, bfad->pci_name);
 ok:
 	return 0;
 
-out_fc4_probe_failure:
-	bfad_fc4_probe_undo(bfad);
-	bfad_uncfg_pport(bfad);
-out_cfg_pport_failure:
+out_start_ops_failure:
 	bfad_drv_uninit(bfad);
 out_drv_init_failure:
+	kthread_stop(bfad->bfad_tsk);
+out_kthread_create_failure:
 	mutex_lock(&bfad_mutex);
 	bfad_inst--;
 	list_del(&bfad->list_entry);
@@ -1008,6 +1095,11 @@ bfad_pci_remove(struct pci_dev *pdev)
 
 	bfa_trc(bfad, bfad->inst_no);
 
+	spin_lock_irqsave(&bfad->bfad_lock, flags);
+	if (bfad->bfad_tsk != NULL)
+		kthread_stop(bfad->bfad_tsk);
+	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+
 	if ((bfad->bfad_flags & BFAD_DRV_INIT_DONE)
 	    && !(bfad->bfad_flags & BFAD_HAL_INIT_DONE)) {
 
@@ -1024,13 +1116,25 @@ bfad_pci_remove(struct pci_dev *pdev)
 		goto remove_sysfs;
 	}
 
-	if (bfad->bfad_flags & BFAD_HAL_START_DONE)
+	if (bfad->bfad_flags & BFAD_HAL_START_DONE) {
 		bfad_drv_stop(bfad);
+	} else if (bfad->bfad_flags & BFAD_DRV_INIT_DONE) {
+		/* Invoking bfa_stop() before bfa_detach
+		 * when HAL and DRV init are success
+		 * but HAL start did not occur.
+		 */
+		spin_lock_irqsave(&bfad->bfad_lock, flags);
+		init_completion(&bfad->comp);
+		bfa_stop(&bfad->bfa);
+		spin_unlock_irqrestore(&bfad->bfad_lock, flags);
+		wait_for_completion(&bfad->comp);
+	}
 
 	bfad_remove_intr(bfad);
-
 	del_timer_sync(&bfad->hal_tmo);
-	bfad_fc4_probe_undo(bfad);
+
+	if (bfad->bfad_flags & BFAD_FC4_PROBE_DONE)
+		bfad_fc4_probe_undo(bfad);
 
 	if (bfad->bfad_flags & BFAD_CFG_PPORT_DONE)
 		bfad_uncfg_pport(bfad);
diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c
index 9129ae3040ff..d97f69191838 100644
--- a/drivers/scsi/bfa/bfad_attr.c
+++ b/drivers/scsi/bfa/bfad_attr.c
@@ -141,7 +141,7 @@ bfad_im_get_host_port_type(struct Scsi_Host *shost)
 	struct bfad_s         *bfad = im_port->bfad;
 	struct bfa_pport_attr_s attr;
 
-	bfa_pport_get_attr(&bfad->bfa, &attr);
+	bfa_fcport_get_attr(&bfad->bfa, &attr);
 
 	switch (attr.port_type) {
 	case BFA_PPORT_TYPE_NPORT:
@@ -173,7 +173,7 @@ bfad_im_get_host_port_state(struct Scsi_Host *shost)
 	struct bfad_s         *bfad = im_port->bfad;
 	struct bfa_pport_attr_s attr;
 
-	bfa_pport_get_attr(&bfad->bfa, &attr);
+	bfa_fcport_get_attr(&bfad->bfa, &attr);
 
 	switch (attr.port_state) {
 	case BFA_PPORT_ST_LINKDOWN:
@@ -229,8 +229,10 @@ bfad_im_get_host_speed(struct Scsi_Host *shost)
 			(struct bfad_im_port_s *) shost->hostdata[0];
 	struct bfad_s         *bfad = im_port->bfad;
 	struct bfa_pport_attr_s attr;
+	unsigned long   flags;
 
-	bfa_pport_get_attr(&bfad->bfa, &attr);
+	spin_lock_irqsave(shost->host_lock, flags);
+	bfa_fcport_get_attr(&bfad->bfa, &attr);
 	switch (attr.speed) {
 	case BFA_PPORT_SPEED_8GBPS:
 		fc_host_speed(shost) = FC_PORTSPEED_8GBIT;
@@ -248,6 +250,7 @@ bfad_im_get_host_speed(struct Scsi_Host *shost)
 		fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
 		break;
 	}
+	spin_unlock_irqrestore(shost->host_lock, flags);
 }
 
 /**
@@ -285,7 +288,7 @@ bfad_im_get_stats(struct Scsi_Host *shost)
 	init_completion(&fcomp.comp);
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
 	memset(hstats, 0, sizeof(struct fc_host_statistics));
-	rc = bfa_pport_get_stats(&bfad->bfa,
+	rc =  bfa_port_get_stats(BFA_FCPORT(&bfad->bfa),
 				     (union bfa_pport_stats_u *) hstats,
 				     bfad_hcb_comp, &fcomp);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
@@ -312,7 +315,8 @@ bfad_im_reset_stats(struct Scsi_Host *shost)
 
 	init_completion(&fcomp.comp);
 	spin_lock_irqsave(&bfad->bfad_lock, flags);
-	rc = bfa_pport_clear_stats(&bfad->bfa, bfad_hcb_comp, &fcomp);
+	rc = bfa_port_clear_stats(BFA_FCPORT(&bfad->bfa), bfad_hcb_comp,
+		&fcomp);
 	spin_unlock_irqrestore(&bfad->bfad_lock, flags);
 
 	if (rc != BFA_STATUS_OK)
@@ -421,12 +425,10 @@ bfad_im_serial_num_show(struct device *dev, struct device_attribute *attr,
 	struct bfad_im_port_s *im_port =
 			(struct bfad_im_port_s *) shost->hostdata[0];
 	struct bfad_s         *bfad = im_port->bfad;
-	struct bfa_ioc_attr_s  ioc_attr;
+	char serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];
 
-	memset(&ioc_attr, 0, sizeof(ioc_attr));
-	bfa_get_attr(&bfad->bfa, &ioc_attr);
-	return snprintf(buf, PAGE_SIZE, "%s\n",
-			ioc_attr.adapter_attr.serial_num);
+	bfa_get_adapter_serial_num(&bfad->bfa, serial_num);
+	return snprintf(buf, PAGE_SIZE, "%s\n", serial_num);
 }
 
 static ssize_t
@@ -437,11 +439,10 @@ bfad_im_model_show(struct device *dev, struct device_attribute *attr,
 	struct bfad_im_port_s *im_port =
 			(struct bfad_im_port_s *) shost->hostdata[0];
 	struct bfad_s         *bfad = im_port->bfad;
-	struct bfa_ioc_attr_s  ioc_attr;
+	char model[BFA_ADAPTER_MODEL_NAME_LEN];
 
-	memset(&ioc_attr, 0, sizeof(ioc_attr));
-	bfa_get_attr(&bfad->bfa, &ioc_attr);
-	return snprintf(buf, PAGE_SIZE, "%s\n", ioc_attr.adapter_attr.model);
+	bfa_get_adapter_model(&bfad->bfa, model);
+	return snprintf(buf, PAGE_SIZE, "%s\n", model);
 }
 
 static ssize_t
@@ -452,12 +453,10 @@ bfad_im_model_desc_show(struct device *dev, struct device_attribute *attr,
 	struct bfad_im_port_s *im_port =
 			(struct bfad_im_port_s *) shost->hostdata[0];
 	struct bfad_s         *bfad = im_port->bfad;
-	struct bfa_ioc_attr_s  ioc_attr;
+	char model_descr[BFA_ADAPTER_MODEL_DESCR_LEN];
 
-	memset(&ioc_attr, 0, sizeof(ioc_attr));
-	bfa_get_attr(&bfad->bfa, &ioc_attr);
-	return snprintf(buf, PAGE_SIZE, "%s\n",
-			ioc_attr.adapter_attr.model_descr);
+	bfa_get_adapter_model(&bfad->bfa, model_descr);
+	return snprintf(buf, PAGE_SIZE, "%s\n", model_descr);
 }
 
 static ssize_t
@@ -482,14 +481,13 @@ bfad_im_symbolic_name_show(struct device *dev, struct device_attribute *attr,
 	struct bfad_im_port_s *im_port =
 			(struct bfad_im_port_s *) shost->hostdata[0];
 	struct bfad_s         *bfad = im_port->bfad;
-	struct bfa_ioc_attr_s  ioc_attr;
-
-	memset(&ioc_attr, 0, sizeof(ioc_attr));
-	bfa_get_attr(&bfad->bfa, &ioc_attr);
+	char model[BFA_ADAPTER_MODEL_NAME_LEN];
+	char fw_ver[BFA_VERSION_LEN];
 
+	bfa_get_adapter_model(&bfad->bfa, model);
+	bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
 	return snprintf(buf, PAGE_SIZE, "Brocade %s FV%s DV%s\n",
-			ioc_attr.adapter_attr.model,
-			ioc_attr.adapter_attr.fw_ver, BFAD_DRIVER_VERSION);
+		model, fw_ver, BFAD_DRIVER_VERSION);
 }
 
 static ssize_t
@@ -500,11 +498,10 @@ bfad_im_hw_version_show(struct device *dev, struct device_attribute *attr,
 	struct bfad_im_port_s *im_port =
 			(struct bfad_im_port_s *) shost->hostdata[0];
 	struct bfad_s         *bfad = im_port->bfad;
-	struct bfa_ioc_attr_s  ioc_attr;
+	char hw_ver[BFA_VERSION_LEN];
 
-	memset(&ioc_attr, 0, sizeof(ioc_attr));
-	bfa_get_attr(&bfad->bfa, &ioc_attr);
-	return snprintf(buf, PAGE_SIZE, "%s\n", ioc_attr.adapter_attr.hw_ver);
+	bfa_get_pci_chip_rev(&bfad->bfa, hw_ver);
+	return snprintf(buf, PAGE_SIZE, "%s\n", hw_ver);
 }
 
 static ssize_t
@@ -522,12 +519,10 @@ bfad_im_optionrom_version_show(struct device *dev,
 	struct bfad_im_port_s *im_port =
 			(struct bfad_im_port_s *) shost->hostdata[0];
 	struct bfad_s         *bfad = im_port->bfad;
-	struct bfa_ioc_attr_s  ioc_attr;
+	char optrom_ver[BFA_VERSION_LEN];
 
-	memset(&ioc_attr, 0, sizeof(ioc_attr));
-	bfa_get_attr(&bfad->bfa, &ioc_attr);
-	return snprintf(buf, PAGE_SIZE, "%s\n",
-			ioc_attr.adapter_attr.optrom_ver);
+	bfa_get_adapter_optrom_ver(&bfad->bfa, optrom_ver);
+	return snprintf(buf, PAGE_SIZE, "%s\n", optrom_ver);
 }
 
 static ssize_t
@@ -538,11 +533,10 @@ bfad_im_fw_version_show(struct device *dev, struct device_attribute *attr,
 	struct bfad_im_port_s *im_port =
 			(struct bfad_im_port_s *) shost->hostdata[0];
 	struct bfad_s         *bfad = im_port->bfad;
-	struct bfa_ioc_attr_s  ioc_attr;
+	char fw_ver[BFA_VERSION_LEN];
 
-	memset(&ioc_attr, 0, sizeof(ioc_attr));
-	bfa_get_attr(&bfad->bfa, &ioc_attr);
-	return snprintf(buf, PAGE_SIZE, "%s\n", ioc_attr.adapter_attr.fw_ver);
+	bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
+	return snprintf(buf, PAGE_SIZE, "%s\n", fw_ver);
 }
 
 static ssize_t
@@ -553,11 +547,9 @@ bfad_im_num_of_ports_show(struct device *dev, struct device_attribute *attr,
 	struct bfad_im_port_s *im_port =
 			(struct bfad_im_port_s *) shost->hostdata[0];
 	struct bfad_s         *bfad = im_port->bfad;
-	struct bfa_ioc_attr_s  ioc_attr;
 
-	memset(&ioc_attr, 0, sizeof(ioc_attr));
-	bfa_get_attr(&bfad->bfa, &ioc_attr);
-	return snprintf(buf, PAGE_SIZE, "%d\n", ioc_attr.adapter_attr.nports);
+	return snprintf(buf, PAGE_SIZE, "%d\n",
+		bfa_get_nports(&bfad->bfa));
 }
 
 static ssize_t
diff --git a/drivers/scsi/bfa/bfad_attr.h b/drivers/scsi/bfa/bfad_attr.h
index 4d3312da6a81..bf0102076508 100644
--- a/drivers/scsi/bfa/bfad_attr.h
+++ b/drivers/scsi/bfa/bfad_attr.h
@@ -17,9 +17,6 @@
 
 #ifndef __BFAD_ATTR_H__
 #define __BFAD_ATTR_H__
-/**
- *  bfad_attr.h VMware driver configuration interface module.
- */
 
 /**
  *  FC_transport_template FC transport template
@@ -52,12 +49,6 @@ bfad_im_get_starget_port_name(struct scsi_target *starget);
 void
 bfad_im_get_host_port_id(struct Scsi_Host *shost);
 
-/**
- * FC transport template entry, issue a LIP.
- */
-int
-bfad_im_issue_fc_host_lip(struct Scsi_Host *shost);
-
 struct Scsi_Host*
 bfad_os_starget_to_shost(struct scsi_target *starget);
 
diff --git a/drivers/scsi/bfa/bfad_drv.h b/drivers/scsi/bfa/bfad_drv.h
index 172c81e25c1c..107848cd3b6d 100644
--- a/drivers/scsi/bfa/bfad_drv.h
+++ b/drivers/scsi/bfa/bfad_drv.h
@@ -46,7 +46,7 @@
 #ifdef BFA_DRIVER_VERSION
 #define BFAD_DRIVER_VERSION    BFA_DRIVER_VERSION
 #else
-#define BFAD_DRIVER_VERSION    "2.0.0.0"
+#define BFAD_DRIVER_VERSION    "2.1.2.1"
 #endif
 
 
@@ -62,7 +62,9 @@
 #define BFAD_HAL_START_DONE			0x00000010
 #define BFAD_PORT_ONLINE			0x00000020
 #define BFAD_RPORT_ONLINE			0x00000040
-
+#define BFAD_FCS_INIT_DONE                      0x00000080
+#define BFAD_HAL_INIT_FAIL                      0x00000100
+#define BFAD_FC4_PROBE_DONE                     0x00000200
 #define BFAD_PORT_DELETE			0x00000001
 
 /*
@@ -137,12 +139,16 @@ struct bfad_cfg_param_s {
 	u32        binding_method;
 };
 
-#define BFAD_AEN_MAX_APPS 8
-struct bfad_aen_file_s {
-	struct list_head  qe;
-	struct bfad_s *bfad;
-	s32 ri;
-	s32 app_id;
+union bfad_tmp_buf {
+	/* From struct bfa_adapter_attr_s */
+	char            manufacturer[BFA_ADAPTER_MFG_NAME_LEN];
+	char            serial_num[BFA_ADAPTER_SERIAL_NUM_LEN];
+	char            model[BFA_ADAPTER_MODEL_NAME_LEN];
+	char            fw_ver[BFA_VERSION_LEN];
+	char            optrom_ver[BFA_VERSION_LEN];
+
+	/* From struct bfa_ioc_pci_attr_s */
+	u8         chip_rev[BFA_IOC_CHIP_REV_LEN];  /*  chip revision */
 };
 
 /*
@@ -168,6 +174,7 @@ struct bfad_s {
 	u32        inst_no;	/* BFAD instance number */
 	u32        bfad_flags;
 	spinlock_t      bfad_lock;
+	struct task_struct *bfad_tsk;
 	struct bfad_cfg_param_s cfg_data;
 	struct bfad_msix_s msix_tab[MAX_MSIX_ENTRY];
 	int             nvec;
@@ -183,18 +190,12 @@ struct bfad_s {
 	struct bfa_log_mod_s  *logmod;
 	struct bfa_aen_s      *aen;
 	struct bfa_aen_s       aen_buf;
-	struct bfad_aen_file_s file_buf[BFAD_AEN_MAX_APPS];
-	struct list_head         file_q;
-	struct list_head         file_free_q;
+	void		*file_map[BFA_AEN_MAX_APP];
 	struct bfa_plog_s      plog_buf;
 	int             ref_count;
 	bfa_boolean_t	ipfc_enabled;
+	union bfad_tmp_buf tmp_buf;
 	struct fc_host_statistics link_stats;
-
-	struct kobject *bfa_kobj;
-	struct kobject *ioc_kobj;
-	struct kobject *pport_kobj;
-	struct kobject *lport_kobj;
 };
 
 /*
@@ -258,6 +259,7 @@ bfa_status_t    bfad_vf_create(struct bfad_s *bfad, u16 vf_id,
 			       struct bfa_port_cfg_s *port_cfg);
 bfa_status_t    bfad_cfg_pport(struct bfad_s *bfad, enum bfa_port_role role);
 bfa_status_t    bfad_drv_init(struct bfad_s *bfad);
+bfa_status_t	bfad_start_ops(struct bfad_s *bfad);
 void            bfad_drv_start(struct bfad_s *bfad);
 void            bfad_uncfg_pport(struct bfad_s *bfad);
 void            bfad_drv_stop(struct bfad_s *bfad);
@@ -279,6 +281,7 @@ void		bfad_drv_uninit(struct bfad_s *bfad);
 void		bfad_drv_log_level_set(struct bfad_s *bfad);
 bfa_status_t	bfad_fc4_module_init(void);
 void		bfad_fc4_module_exit(void);
+int		bfad_worker (void *ptr);
 
 void bfad_pci_remove(struct pci_dev *pdev);
 int bfad_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pid);
diff --git a/drivers/scsi/bfa/bfad_im.c b/drivers/scsi/bfa/bfad_im.c
index f788c2a0ab07..f9fc67a25bf2 100644
--- a/drivers/scsi/bfa/bfad_im.c
+++ b/drivers/scsi/bfa/bfad_im.c
@@ -43,11 +43,11 @@ bfa_cb_ioim_done(void *drv, struct bfad_ioim_s *dio,
 	struct bfad_s         *bfad = drv;
 	struct bfad_itnim_data_s *itnim_data;
 	struct bfad_itnim_s *itnim;
+	u8         host_status = DID_OK;
 
 	switch (io_status) {
 	case BFI_IOIM_STS_OK:
 		bfa_trc(bfad, scsi_status);
-		cmnd->result = ScsiResult(DID_OK, scsi_status);
 		scsi_set_resid(cmnd, 0);
 
 		if (sns_len > 0) {
@@ -56,8 +56,18 @@ bfa_cb_ioim_done(void *drv, struct bfad_ioim_s *dio,
 				sns_len = SCSI_SENSE_BUFFERSIZE;
 			memcpy(cmnd->sense_buffer, sns_info, sns_len);
 		}
-		if (residue > 0)
+		if (residue > 0) {
+			bfa_trc(bfad, residue);
 			scsi_set_resid(cmnd, residue);
+			if (!sns_len && (scsi_status == SAM_STAT_GOOD) &&
+				(scsi_bufflen(cmnd) - residue) <
+					cmnd->underflow) {
+				bfa_trc(bfad, 0);
+				host_status = DID_ERROR;
+			}
+		}
+		cmnd->result = ScsiResult(host_status, scsi_status);
+
 		break;
 
 	case BFI_IOIM_STS_ABORTED:
@@ -167,17 +177,15 @@ bfad_im_info(struct Scsi_Host *shost)
 	static char     bfa_buf[256];
 	struct bfad_im_port_s *im_port =
 			(struct bfad_im_port_s *) shost->hostdata[0];
-	struct bfa_ioc_attr_s  ioc_attr;
 	struct bfad_s         *bfad = im_port->bfad;
+	char model[BFA_ADAPTER_MODEL_NAME_LEN];
 
-	memset(&ioc_attr, 0, sizeof(ioc_attr));
-	bfa_get_attr(&bfad->bfa, &ioc_attr);
+	bfa_get_adapter_model(&bfad->bfa, model);
 
 	memset(bfa_buf, 0, sizeof(bfa_buf));
 	snprintf(bfa_buf, sizeof(bfa_buf),
-		 "Brocade FC/FCOE Adapter, " "model: %s hwpath: %s driver: %s",
-		 ioc_attr.adapter_attr.model, bfad->pci_name,
-		 BFAD_DRIVER_VERSION);
+		"Brocade FC/FCOE Adapter, " "model: %s hwpath: %s driver: %s",
+		model, bfad->pci_name, BFAD_DRIVER_VERSION);
 	return bfa_buf;
 }
 
@@ -501,16 +509,6 @@ void bfa_fcb_itnim_tov(struct bfad_itnim_s *itnim)
 }
 
 /**
- * Path TOV processing begin notification -- dummy for linux
- */
-void
-bfa_fcb_itnim_tov_begin(struct bfad_itnim_s *itnim)
-{
-}
-
-
-
-/**
  * Allocate a Scsi_Host for a port.
  */
 int
@@ -931,10 +929,9 @@ bfad_os_fc_host_init(struct bfad_im_port_s *im_port)
 	struct Scsi_Host *host = im_port->shost;
 	struct bfad_s         *bfad = im_port->bfad;
 	struct bfad_port_s    *port = im_port->port;
-	union attr {
-		struct bfa_pport_attr_s pattr;
-		struct bfa_ioc_attr_s  ioc_attr;
-	} attr;
+	struct bfa_pport_attr_s pattr;
+	char model[BFA_ADAPTER_MODEL_NAME_LEN];
+	char fw_ver[BFA_VERSION_LEN];
 
 	fc_host_node_name(host) =
 		bfa_os_htonll((bfa_fcs_port_get_nwwn(port->fcs_port)));
@@ -954,20 +951,18 @@ bfad_os_fc_host_init(struct bfad_im_port_s *im_port)
 	/* For fibre channel services type 0x20 */
 	fc_host_supported_fc4s(host)[7] = 1;
 
-	memset(&attr.ioc_attr, 0, sizeof(attr.ioc_attr));
-	bfa_get_attr(&bfad->bfa, &attr.ioc_attr);
+	bfa_get_adapter_model(&bfad->bfa, model);
+	bfa_get_adapter_fw_ver(&bfad->bfa, fw_ver);
 	sprintf(fc_host_symbolic_name(host), "Brocade %s FV%s DV%s",
-		attr.ioc_attr.adapter_attr.model,
-		attr.ioc_attr.adapter_attr.fw_ver, BFAD_DRIVER_VERSION);
+		model, fw_ver, BFAD_DRIVER_VERSION);
 
 	fc_host_supported_speeds(host) = 0;
 	fc_host_supported_speeds(host) |=
 		FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
 		FC_PORTSPEED_1GBIT;
 
-	memset(&attr.pattr, 0, sizeof(attr.pattr));
-	bfa_pport_get_attr(&bfad->bfa, &attr.pattr);
-	fc_host_maxframe_size(host) = attr.pattr.pport_cfg.maxfrsize;
+	bfa_fcport_get_attr(&bfad->bfa, &pattr);
+	fc_host_maxframe_size(host) = pattr.pport_cfg.maxfrsize;
 }
 
 static void
diff --git a/drivers/scsi/bfa/bfad_im.h b/drivers/scsi/bfa/bfad_im.h
index 189a5b29e21a..85ab2da21321 100644
--- a/drivers/scsi/bfa/bfad_im.h
+++ b/drivers/scsi/bfa/bfad_im.h
@@ -23,7 +23,6 @@
 
 #define FCPI_NAME " fcpim"
 
-void bfad_flags_set(struct bfad_s *bfad, u32 flags);
 bfa_status_t bfad_im_module_init(void);
 void bfad_im_module_exit(void);
 bfa_status_t bfad_im_probe(struct bfad_s *bfad);
@@ -126,7 +125,6 @@ bfa_status_t bfad_os_thread_workq(struct bfad_s *bfad);
 void bfad_os_destroy_workq(struct bfad_im_s *im);
 void bfad_os_itnim_process(struct bfad_itnim_s *itnim_drv);
 void bfad_os_fc_host_init(struct bfad_im_port_s *im_port);
-void bfad_os_init_work(struct bfad_im_port_s *im_port);
 void bfad_os_scsi_host_free(struct bfad_s *bfad,
 				 struct bfad_im_port_s *im_port);
 void bfad_os_ramp_up_qdepth(struct bfad_itnim_s *itnim,
@@ -136,9 +134,6 @@ struct bfad_itnim_s *bfad_os_get_itnim(struct bfad_im_port_s *im_port, int id);
 int bfad_os_scsi_add_host(struct Scsi_Host *shost,
 		struct bfad_im_port_s *im_port, struct bfad_s *bfad);
 
-/*
- * scsi_host_template entries
- */
 void bfad_im_itnim_unmap(struct bfad_im_port_s  *im_port,
 			 struct bfad_itnim_s *itnim);
 
diff --git a/drivers/scsi/bfa/bfad_intr.c b/drivers/scsi/bfa/bfad_intr.c
index 7de8832f6fee..2b7dbecbebca 100644
--- a/drivers/scsi/bfa/bfad_intr.c
+++ b/drivers/scsi/bfa/bfad_intr.c
@@ -23,8 +23,10 @@ BFA_TRC_FILE(LDRV, INTR);
 /**
  *  bfa_isr BFA driver interrupt functions
  */
-static int msix_disable;
-module_param(msix_disable, int, S_IRUGO | S_IWUSR);
+static int msix_disable_cb;
+static int msix_disable_ct;
+module_param(msix_disable_cb, int, S_IRUGO | S_IWUSR);
+module_param(msix_disable_ct, int, S_IRUGO | S_IWUSR);
 /**
  * Line based interrupt handler.
  */
@@ -141,6 +143,7 @@ bfad_setup_intr(struct bfad_s *bfad)
 	int error = 0;
 	u32 mask = 0, i, num_bit = 0, max_bit = 0;
 	struct msix_entry msix_entries[MAX_MSIX_ENTRY];
+	struct pci_dev *pdev = bfad->pcidev;
 
 	/* Call BFA to get the msix map for this PCI function.  */
 	bfa_msix_getvecs(&bfad->bfa, &mask, &num_bit, &max_bit);
@@ -148,7 +151,9 @@ bfad_setup_intr(struct bfad_s *bfad)
 	/* Set up the msix entry table */
 	bfad_init_msix_entry(bfad, msix_entries, mask, max_bit);
 
-	if (!msix_disable) {
+	if ((pdev->device == BFA_PCI_DEVICE_ID_CT && !msix_disable_ct) ||
+	    (pdev->device != BFA_PCI_DEVICE_ID_CT && !msix_disable_cb)) {
+
 		error = pci_enable_msix(bfad->pcidev, msix_entries, bfad->nvec);
 		if (error) {
 			/*
diff --git a/drivers/scsi/bfa/fabric.c b/drivers/scsi/bfa/fabric.c
index a4b5dd449573..8166e9745ec0 100644
--- a/drivers/scsi/bfa/fabric.c
+++ b/drivers/scsi/bfa/fabric.c
@@ -37,7 +37,7 @@ BFA_TRC_FILE(FCS, FABRIC);
 #define BFA_FCS_FABRIC_CLEANUP_DELAY	(10000)	/* Milliseconds */
 
 #define bfa_fcs_fabric_set_opertype(__fabric) do {             \
-	if (bfa_pport_get_topology((__fabric)->fcs->bfa)       \
+	if (bfa_fcport_get_topology((__fabric)->fcs->bfa)       \
 				== BFA_PPORT_TOPOLOGY_P2P)     \
 		(__fabric)->oper_type = BFA_PPORT_TYPE_NPORT;  \
 	else                                                   \
@@ -136,8 +136,7 @@ bfa_fcs_fabric_sm_uninit(struct bfa_fcs_fabric_s *fabric,
 	case BFA_FCS_FABRIC_SM_CREATE:
 		bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_created);
 		bfa_fcs_fabric_init(fabric);
-		bfa_fcs_lport_init(&fabric->bport, fabric->fcs, FC_VF_ID_NULL,
-				   &fabric->bport.port_cfg, NULL);
+		bfa_fcs_lport_init(&fabric->bport, &fabric->bport.port_cfg);
 		break;
 
 	case BFA_FCS_FABRIC_SM_LINK_UP:
@@ -161,7 +160,7 @@ bfa_fcs_fabric_sm_created(struct bfa_fcs_fabric_s *fabric,
 
 	switch (event) {
 	case BFA_FCS_FABRIC_SM_START:
-		if (bfa_pport_is_linkup(fabric->fcs->bfa)) {
+		if (bfa_fcport_is_linkup(fabric->fcs->bfa)) {
 			bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_flogi);
 			bfa_fcs_fabric_login(fabric);
 		} else
@@ -225,7 +224,7 @@ bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric,
 	switch (event) {
 	case BFA_FCS_FABRIC_SM_CONT_OP:
 
-		bfa_pport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit);
+		bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit);
 		fabric->fab_type = BFA_FCS_FABRIC_SWITCHED;
 
 		if (fabric->auth_reqd && fabric->is_auth) {
@@ -252,7 +251,7 @@ bfa_fcs_fabric_sm_flogi(struct bfa_fcs_fabric_s *fabric,
 
 	case BFA_FCS_FABRIC_SM_NO_FABRIC:
 		fabric->fab_type = BFA_FCS_FABRIC_N2N;
-		bfa_pport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit);
+		bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit);
 		bfa_fcs_fabric_notify_online(fabric);
 		bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_nofabric);
 		break;
@@ -419,7 +418,7 @@ bfa_fcs_fabric_sm_nofabric(struct bfa_fcs_fabric_s *fabric,
 
 	case BFA_FCS_FABRIC_SM_NO_FABRIC:
 		bfa_trc(fabric->fcs, fabric->bb_credit);
-		bfa_pport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit);
+		bfa_fcport_set_tx_bbcredit(fabric->fcs->bfa, fabric->bb_credit);
 		break;
 
 	default:
@@ -563,17 +562,15 @@ void
 bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric)
 {
 	struct bfa_port_cfg_s *port_cfg = &fabric->bport.port_cfg;
-	struct bfa_adapter_attr_s adapter_attr;
+	char            model[BFA_ADAPTER_MODEL_NAME_LEN] = {0};
 	struct bfa_fcs_driver_info_s *driver_info = &fabric->fcs->driver_info;
 
-	bfa_os_memset((void *)&adapter_attr, 0,
-		      sizeof(struct bfa_adapter_attr_s));
-	bfa_ioc_get_adapter_attr(&fabric->fcs->bfa->ioc, &adapter_attr);
+	bfa_ioc_get_adapter_model(&fabric->fcs->bfa->ioc, model);
 
 	/*
 	 * Model name/number
 	 */
-	strncpy((char *)&port_cfg->sym_name, adapter_attr.model,
+	strncpy((char *)&port_cfg->sym_name, model,
 		BFA_FCS_PORT_SYMBNAME_MODEL_SZ);
 	strncat((char *)&port_cfg->sym_name, BFA_FCS_PORT_SYMBNAME_SEPARATOR,
 		sizeof(BFA_FCS_PORT_SYMBNAME_SEPARATOR));
@@ -719,10 +716,10 @@ bfa_fcs_fabric_login(struct bfa_fcs_fabric_s *fabric)
 	struct bfa_port_cfg_s *pcfg = &fabric->bport.port_cfg;
 	u8         alpa = 0;
 
-	if (bfa_pport_get_topology(bfa) == BFA_PPORT_TOPOLOGY_LOOP)
-		alpa = bfa_pport_get_myalpa(bfa);
+	if (bfa_fcport_get_topology(bfa) == BFA_PPORT_TOPOLOGY_LOOP)
+		alpa = bfa_fcport_get_myalpa(bfa);
 
-	bfa_lps_flogi(fabric->lps, fabric, alpa, bfa_pport_get_maxfrsize(bfa),
+	bfa_lps_flogi(fabric->lps, fabric, alpa, bfa_fcport_get_maxfrsize(bfa),
 		      pcfg->pwwn, pcfg->nwwn, fabric->auth_reqd);
 
 	fabric->stats.flogi_sent++;
@@ -814,10 +811,10 @@ bfa_fcs_fabric_delete_comp(void *cbarg)
  */
 
 /**
- *   Module initialization
+ *   Attach time initialization
  */
 void
-bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs)
+bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs)
 {
 	struct bfa_fcs_fabric_s *fabric;
 
@@ -841,7 +838,13 @@ bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs)
 	bfa_wc_up(&fabric->wc);	/* For the base port */
 
 	bfa_sm_set_state(fabric, bfa_fcs_fabric_sm_uninit);
-	bfa_sm_send_event(fabric, BFA_FCS_FABRIC_SM_CREATE);
+	bfa_fcs_lport_attach(&fabric->bport, fabric->fcs, FC_VF_ID_NULL, NULL);
+}
+
+void
+bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs)
+{
+	bfa_sm_send_event(&fcs->fabric, BFA_FCS_FABRIC_SM_CREATE);
 	bfa_trc(fcs, 0);
 }
 
@@ -890,6 +893,12 @@ bfa_fcs_fabric_is_loopback(struct bfa_fcs_fabric_s *fabric)
 	return bfa_sm_cmp_state(fabric, bfa_fcs_fabric_sm_loopback);
 }
 
+bfa_boolean_t
+bfa_fcs_fabric_is_auth_failed(struct bfa_fcs_fabric_s *fabric)
+{
+	return bfa_sm_cmp_state(fabric, bfa_fcs_fabric_sm_auth_failed);
+}
+
 enum bfa_pport_type
 bfa_fcs_fabric_port_type(struct bfa_fcs_fabric_s *fabric)
 {
@@ -1165,8 +1174,8 @@ bfa_fcs_fabric_send_flogi_acc(struct bfa_fcs_fabric_s *fabric)
 	reqlen = fc_flogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp),
 				    bfa_os_hton3b(FC_FABRIC_PORT),
 				    n2n_port->reply_oxid, pcfg->pwwn,
-				    pcfg->nwwn, bfa_pport_get_maxfrsize(bfa),
-				    bfa_pport_get_rx_bbcredit(bfa));
+				    pcfg->nwwn, bfa_fcport_get_maxfrsize(bfa),
+				    bfa_fcport_get_rx_bbcredit(bfa));
 
 	bfa_fcxp_send(fcxp, NULL, fabric->vf_id, bfa_lps_get_tag(fabric->lps),
 			BFA_FALSE, FC_CLASS_3, reqlen, &fchs,
@@ -1224,14 +1233,8 @@ bfa_fcs_fabric_aen_post(struct bfa_fcs_port_s *port,
 	wwn2str(pwwn_ptr, pwwn);
 	wwn2str(fwwn_ptr, fwwn);
 
-	switch (event) {
-	case BFA_PORT_AEN_FABRIC_NAME_CHANGE:
-		bfa_log(logmod, BFA_AEN_PORT_FABRIC_NAME_CHANGE, pwwn_ptr,
-			fwwn_ptr);
-		break;
-	default:
-		break;
-	}
+	bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_PORT, event),
+		pwwn_ptr, fwwn_ptr);
 
 	aen_data.port.pwwn = pwwn;
 	aen_data.port.fwwn = fwwn;
diff --git a/drivers/scsi/bfa/fcbuild.h b/drivers/scsi/bfa/fcbuild.h
index 8fa7f270ef7b..981d98d542b9 100644
--- a/drivers/scsi/bfa/fcbuild.h
+++ b/drivers/scsi/bfa/fcbuild.h
@@ -72,6 +72,9 @@ fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed_s speed)
 	case RPSC_OP_SPEED_8G:
 		return BFA_PPORT_SPEED_8GBPS;
 
+	case RPSC_OP_SPEED_10G:
+		return BFA_PPORT_SPEED_10GBPS;
+
 	default:
 		return BFA_PPORT_SPEED_UNKNOWN;
 	}
@@ -97,6 +100,9 @@ fc_bfa_speed_to_rpsc_operspeed(enum bfa_pport_speed op_speed)
 	case BFA_PPORT_SPEED_8GBPS:
 		return RPSC_OP_SPEED_8G;
 
+	case BFA_PPORT_SPEED_10GBPS:
+		return RPSC_OP_SPEED_10G;
+
 	default:
 		return RPSC_OP_SPEED_NOT_EST;
 	}
diff --git a/drivers/scsi/bfa/fcpim.c b/drivers/scsi/bfa/fcpim.c
index 1f3c06efaa9e..8ae4a2cfa85b 100644
--- a/drivers/scsi/bfa/fcpim.c
+++ b/drivers/scsi/bfa/fcpim.c
@@ -126,7 +126,7 @@ bfa_fcs_itnim_sm_offline(struct bfa_fcs_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->fcs, event);
 	}
 
 }
@@ -161,7 +161,7 @@ bfa_fcs_itnim_sm_prli_send(struct bfa_fcs_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->fcs, event);
 	}
 }
 
@@ -205,7 +205,7 @@ bfa_fcs_itnim_sm_prli(struct bfa_fcs_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->fcs, event);
 	}
 }
 
@@ -240,7 +240,7 @@ bfa_fcs_itnim_sm_prli_retry(struct bfa_fcs_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->fcs, event);
 	}
 }
 
@@ -270,7 +270,7 @@ bfa_fcs_itnim_sm_hcb_online(struct bfa_fcs_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->fcs, event);
 	}
 }
 
@@ -298,7 +298,7 @@ bfa_fcs_itnim_sm_online(struct bfa_fcs_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->fcs, event);
 	}
 }
 
@@ -321,7 +321,7 @@ bfa_fcs_itnim_sm_hcb_offline(struct bfa_fcs_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->fcs, event);
 	}
 }
 
@@ -354,7 +354,7 @@ bfa_fcs_itnim_sm_initiator(struct bfa_fcs_itnim_s *itnim,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(itnim->fcs, event);
 	}
 }
 
@@ -385,19 +385,8 @@ bfa_fcs_itnim_aen_post(struct bfa_fcs_itnim_s *itnim,
 	wwn2str(lpwwn_ptr, lpwwn);
 	wwn2str(rpwwn_ptr, rpwwn);
 
-	switch (event) {
-	case BFA_ITNIM_AEN_ONLINE:
-		bfa_log(logmod, BFA_AEN_ITNIM_ONLINE, rpwwn_ptr, lpwwn_ptr);
-		break;
-	case BFA_ITNIM_AEN_OFFLINE:
-		bfa_log(logmod, BFA_AEN_ITNIM_OFFLINE, rpwwn_ptr, lpwwn_ptr);
-		break;
-	case BFA_ITNIM_AEN_DISCONNECT:
-		bfa_log(logmod, BFA_AEN_ITNIM_DISCONNECT, rpwwn_ptr, lpwwn_ptr);
-		break;
-	default:
-		break;
-	}
+	bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_ITNIM, event),
+		rpwwn_ptr, lpwwn_ptr);
 
 	aen_data.itnim.vf_id = rport->port->fabric->vf_id;
 	aen_data.itnim.ppwwn =
@@ -689,7 +678,6 @@ bfa_cb_itnim_tov_begin(void *cb_arg)
 	struct bfa_fcs_itnim_s *itnim = (struct bfa_fcs_itnim_s *)cb_arg;
 
 	bfa_trc(itnim->fcs, itnim->rport->pwwn);
-	bfa_fcb_itnim_tov_begin(itnim->itnim_drv);
 }
 
 /**
@@ -822,22 +810,3 @@ void
 bfa_fcs_itnim_resume(struct bfa_fcs_itnim_s *itnim)
 {
 }
-
-/**
- *   Module initialization
- */
-void
-bfa_fcs_fcpim_modinit(struct bfa_fcs_s *fcs)
-{
-}
-
-/**
- *   Module cleanup
- */
-void
-bfa_fcs_fcpim_modexit(struct bfa_fcs_s *fcs)
-{
-	bfa_fcs_modexit_comp(fcs);
-}
-
-
diff --git a/drivers/scsi/bfa/fcs_fabric.h b/drivers/scsi/bfa/fcs_fabric.h
index eee960820f86..244c3f00c50c 100644
--- a/drivers/scsi/bfa/fcs_fabric.h
+++ b/drivers/scsi/bfa/fcs_fabric.h
@@ -29,6 +29,7 @@
 /*
 * fcs friend functions: only between fcs modules
  */
+void		bfa_fcs_fabric_attach(struct bfa_fcs_s *fcs);
 void            bfa_fcs_fabric_modinit(struct bfa_fcs_s *fcs);
 void            bfa_fcs_fabric_modexit(struct bfa_fcs_s *fcs);
 void            bfa_fcs_fabric_modsusp(struct bfa_fcs_s *fcs);
@@ -46,6 +47,7 @@ void            bfa_fcs_fabric_uf_recv(struct bfa_fcs_fabric_s *fabric,
 			struct fchs_s *fchs, u16 len);
 u16        bfa_fcs_fabric_vport_count(struct bfa_fcs_fabric_s *fabric);
 bfa_boolean_t   bfa_fcs_fabric_is_loopback(struct bfa_fcs_fabric_s *fabric);
+bfa_boolean_t	bfa_fcs_fabric_is_auth_failed(struct bfa_fcs_fabric_s *fabric);
 enum bfa_pport_type bfa_fcs_fabric_port_type(struct bfa_fcs_fabric_s *fabric);
 void     	bfa_fcs_fabric_psymb_init(struct bfa_fcs_fabric_s *fabric);
 void bfa_fcs_fabric_port_delete_comp(struct bfa_fcs_fabric_s *fabric);
diff --git a/drivers/scsi/bfa/fcs_fcpim.h b/drivers/scsi/bfa/fcs_fcpim.h
index 61e9e2687de3..11e6e7bce9f6 100644
--- a/drivers/scsi/bfa/fcs_fcpim.h
+++ b/drivers/scsi/bfa/fcs_fcpim.h
@@ -34,11 +34,6 @@ void bfa_fcs_itnim_is_initiator(struct bfa_fcs_itnim_s *itnim);
 void bfa_fcs_itnim_pause(struct bfa_fcs_itnim_s *itnim);
 void bfa_fcs_itnim_resume(struct bfa_fcs_itnim_s *itnim);
 
-/*
- * Modudle init/cleanup routines.
- */
-void bfa_fcs_fcpim_modinit(struct bfa_fcs_s *fcs);
-void bfa_fcs_fcpim_modexit(struct bfa_fcs_s *fcs);
 void bfa_fcs_fcpim_uf_recv(struct bfa_fcs_itnim_s *itnim, struct fchs_s *fchs,
 			u16 len);
 #endif /* __FCS_FCPIM_H__ */
diff --git a/drivers/scsi/bfa/fcs_lport.h b/drivers/scsi/bfa/fcs_lport.h
index ae744ba35671..a6508c8ab184 100644
--- a/drivers/scsi/bfa/fcs_lport.h
+++ b/drivers/scsi/bfa/fcs_lport.h
@@ -84,9 +84,10 @@ void bfa_fcs_port_uf_recv(struct bfa_fcs_port_s *lport, struct fchs_s *fchs,
  * Following routines will be called by Fabric to indicate port
  * online/offline to vport.
  */
-void bfa_fcs_lport_init(struct bfa_fcs_port_s *lport, struct bfa_fcs_s *fcs,
-			u16 vf_id, struct bfa_port_cfg_s *port_cfg,
-			struct bfa_fcs_vport_s *vport);
+void bfa_fcs_lport_attach(struct bfa_fcs_port_s *lport, struct bfa_fcs_s *fcs,
+			uint16_t vf_id, struct bfa_fcs_vport_s *vport);
+void bfa_fcs_lport_init(struct bfa_fcs_port_s *lport,
+			struct bfa_port_cfg_s *port_cfg);
 void bfa_fcs_port_online(struct bfa_fcs_port_s *port);
 void bfa_fcs_port_offline(struct bfa_fcs_port_s *port);
 void bfa_fcs_port_delete(struct bfa_fcs_port_s *port);
diff --git a/drivers/scsi/bfa/fcs_port.h b/drivers/scsi/bfa/fcs_port.h
index abb65191dd27..408c06a7d164 100644
--- a/drivers/scsi/bfa/fcs_port.h
+++ b/drivers/scsi/bfa/fcs_port.h
@@ -26,7 +26,6 @@
 /*
  * fcs friend functions: only between fcs modules
  */
-void bfa_fcs_pport_modinit(struct bfa_fcs_s *fcs);
-void bfa_fcs_pport_modexit(struct bfa_fcs_s *fcs);
+void bfa_fcs_pport_attach(struct bfa_fcs_s *fcs);
 
 #endif /* __FCS_PPORT_H__ */
diff --git a/drivers/scsi/bfa/fcs_rport.h b/drivers/scsi/bfa/fcs_rport.h
index f601e9d74236..9c8d1d292380 100644
--- a/drivers/scsi/bfa/fcs_rport.h
+++ b/drivers/scsi/bfa/fcs_rport.h
@@ -24,9 +24,6 @@
 
 #include <fcs/bfa_fcs_rport.h>
 
-void bfa_fcs_rport_modinit(struct bfa_fcs_s *fcs);
-void bfa_fcs_rport_modexit(struct bfa_fcs_s *fcs);
-
 void bfa_fcs_rport_uf_recv(struct bfa_fcs_rport_s *rport, struct fchs_s *fchs,
 			u16 len);
 void bfa_fcs_rport_scn(struct bfa_fcs_rport_s *rport);
diff --git a/drivers/scsi/bfa/fcs_uf.h b/drivers/scsi/bfa/fcs_uf.h
index 96f1bdcb31ed..f591072214fe 100644
--- a/drivers/scsi/bfa/fcs_uf.h
+++ b/drivers/scsi/bfa/fcs_uf.h
@@ -26,7 +26,6 @@
 /*
  * fcs friend functions: only between fcs modules
  */
-void bfa_fcs_uf_modinit(struct bfa_fcs_s *fcs);
-void bfa_fcs_uf_modexit(struct bfa_fcs_s *fcs);
+void bfa_fcs_uf_attach(struct bfa_fcs_s *fcs);
 
 #endif /* __FCS_UF_H__ */
diff --git a/drivers/scsi/bfa/fcs_vport.h b/drivers/scsi/bfa/fcs_vport.h
index 9e80b6a97b7f..13c32ebf946c 100644
--- a/drivers/scsi/bfa/fcs_vport.h
+++ b/drivers/scsi/bfa/fcs_vport.h
@@ -22,18 +22,10 @@
 #include <fcs/bfa_fcs_vport.h>
 #include <defs/bfa_defs_pci.h>
 
-/*
- * Modudle init/cleanup routines.
- */
-
-void bfa_fcs_vport_modinit(struct bfa_fcs_s *fcs);
-void bfa_fcs_vport_modexit(struct bfa_fcs_s *fcs);
-
 void bfa_fcs_vport_cleanup(struct bfa_fcs_vport_s *vport);
 void bfa_fcs_vport_online(struct bfa_fcs_vport_s *vport);
 void bfa_fcs_vport_offline(struct bfa_fcs_vport_s *vport);
 void bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport);
-u32 bfa_fcs_vport_get_max(struct bfa_fcs_s *fcs);
 
 #endif /* __FCS_VPORT_H__ */
 
diff --git a/drivers/scsi/bfa/fdmi.c b/drivers/scsi/bfa/fdmi.c
index df2a1e54e16b..8f17076d1a87 100644
--- a/drivers/scsi/bfa/fdmi.c
+++ b/drivers/scsi/bfa/fdmi.c
@@ -116,6 +116,9 @@ static void     bfa_fcs_port_fdmi_sm_rpa_retry(struct bfa_fcs_port_fdmi_s *fdmi,
 			enum port_fdmi_event event);
 static void     bfa_fcs_port_fdmi_sm_online(struct bfa_fcs_port_fdmi_s *fdmi,
 			enum port_fdmi_event event);
+static void	bfa_fcs_port_fdmi_sm_disabled(struct bfa_fcs_port_fdmi_s *fdmi,
+			enum port_fdmi_event event);
+
 /**
  * 		Start in offline state - awaiting MS to send start.
  */
@@ -155,7 +158,7 @@ bfa_fcs_port_fdmi_sm_offline(struct bfa_fcs_port_fdmi_s *fdmi,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -180,7 +183,7 @@ bfa_fcs_port_fdmi_sm_sending_rhba(struct bfa_fcs_port_fdmi_s *fdmi,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -227,7 +230,7 @@ bfa_fcs_port_fdmi_sm_rhba(struct bfa_fcs_port_fdmi_s *fdmi,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -255,7 +258,7 @@ bfa_fcs_port_fdmi_sm_rhba_retry(struct bfa_fcs_port_fdmi_s *fdmi,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -283,7 +286,7 @@ bfa_fcs_port_fdmi_sm_sending_rprt(struct bfa_fcs_port_fdmi_s *fdmi,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -328,7 +331,7 @@ bfa_fcs_port_fdmi_sm_rprt(struct bfa_fcs_port_fdmi_s *fdmi,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -356,7 +359,7 @@ bfa_fcs_port_fdmi_sm_rprt_retry(struct bfa_fcs_port_fdmi_s *fdmi,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -384,7 +387,7 @@ bfa_fcs_port_fdmi_sm_sending_rpa(struct bfa_fcs_port_fdmi_s *fdmi,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -428,7 +431,7 @@ bfa_fcs_port_fdmi_sm_rpa(struct bfa_fcs_port_fdmi_s *fdmi,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -456,7 +459,7 @@ bfa_fcs_port_fdmi_sm_rpa_retry(struct bfa_fcs_port_fdmi_s *fdmi,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
@@ -475,10 +478,24 @@ bfa_fcs_port_fdmi_sm_online(struct bfa_fcs_port_fdmi_s *fdmi,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(port->fcs, event);
 	}
 }
 
+/**
+ *  FDMI is disabled state.
+ */
+static void
+bfa_fcs_port_fdmi_sm_disabled(struct bfa_fcs_port_fdmi_s *fdmi,
+				enum port_fdmi_event event)
+{
+	struct bfa_fcs_port_s *port = fdmi->ms->port;
+
+	bfa_trc(port->fcs, port->port_cfg.pwwn);
+	bfa_trc(port->fcs, event);
+
+	/* No op State. It can only be enabled at Driver Init. */
+}
 
 /**
 *   RHBA : Register HBA Attributes.
@@ -1097,36 +1114,23 @@ bfa_fcs_fdmi_get_hbaattr(struct bfa_fcs_port_fdmi_s *fdmi,
 {
 	struct bfa_fcs_port_s *port = fdmi->ms->port;
 	struct bfa_fcs_driver_info_s *driver_info = &port->fcs->driver_info;
-	struct bfa_adapter_attr_s adapter_attr;
 
 	bfa_os_memset(hba_attr, 0, sizeof(struct bfa_fcs_fdmi_hba_attr_s));
-	bfa_os_memset(&adapter_attr, 0, sizeof(struct bfa_adapter_attr_s));
-
-	bfa_ioc_get_adapter_attr(&port->fcs->bfa->ioc, &adapter_attr);
-
-	strncpy(hba_attr->manufacturer, adapter_attr.manufacturer,
-		sizeof(adapter_attr.manufacturer));
-
-	strncpy(hba_attr->serial_num, adapter_attr.serial_num,
-		sizeof(adapter_attr.serial_num));
 
-	strncpy(hba_attr->model, adapter_attr.model, sizeof(hba_attr->model));
-
-	strncpy(hba_attr->model_desc, adapter_attr.model_descr,
-		sizeof(hba_attr->model_desc));
-
-	strncpy(hba_attr->hw_version, adapter_attr.hw_ver,
-		sizeof(hba_attr->hw_version));
+	bfa_ioc_get_adapter_manufacturer(&port->fcs->bfa->ioc,
+		hba_attr->manufacturer);
+	bfa_ioc_get_adapter_serial_num(&port->fcs->bfa->ioc,
+						hba_attr->serial_num);
+	bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc, hba_attr->model);
+	bfa_ioc_get_adapter_model(&port->fcs->bfa->ioc, hba_attr->model_desc);
+	bfa_ioc_get_pci_chip_rev(&port->fcs->bfa->ioc, hba_attr->hw_version);
+	bfa_ioc_get_adapter_optrom_ver(&port->fcs->bfa->ioc,
+		hba_attr->option_rom_ver);
+	bfa_ioc_get_adapter_fw_ver(&port->fcs->bfa->ioc, hba_attr->fw_version);
 
 	strncpy(hba_attr->driver_version, (char *)driver_info->version,
 		sizeof(hba_attr->driver_version));
 
-	strncpy(hba_attr->option_rom_ver, adapter_attr.optrom_ver,
-		sizeof(hba_attr->option_rom_ver));
-
-	strncpy(hba_attr->fw_version, adapter_attr.fw_ver,
-		sizeof(hba_attr->fw_version));
-
 	strncpy(hba_attr->os_name, driver_info->host_os_name,
 		sizeof(hba_attr->os_name));
 
@@ -1158,7 +1162,7 @@ bfa_fcs_fdmi_get_portattr(struct bfa_fcs_port_fdmi_s *fdmi,
 	/*
 	 * get pport attributes from hal
 	 */
-	bfa_pport_get_attr(port->fcs->bfa, &pport_attr);
+	bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
 
 	/*
 	 * get FC4 type Bitmask
@@ -1201,7 +1205,10 @@ bfa_fcs_port_fdmi_init(struct bfa_fcs_port_ms_s *ms)
 	struct bfa_fcs_port_fdmi_s *fdmi = &ms->fdmi;
 
 	fdmi->ms = ms;
-	bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
+	if (ms->port->fcs->fdmi_enabled)
+		bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_offline);
+	else
+		bfa_sm_set_state(fdmi, bfa_fcs_port_fdmi_sm_disabled);
 }
 
 void
diff --git a/drivers/scsi/bfa/include/aen/bfa_aen.h b/drivers/scsi/bfa/include/aen/bfa_aen.h
index d9cbc2a783d4..6abbab005db6 100644
--- a/drivers/scsi/bfa/include/aen/bfa_aen.h
+++ b/drivers/scsi/bfa/include/aen/bfa_aen.h
@@ -18,21 +18,24 @@
 #define __BFA_AEN_H__
 
 #include "defs/bfa_defs_aen.h"
+#include "defs/bfa_defs_status.h"
+#include "cs/bfa_debug.h"
 
-#define BFA_AEN_MAX_ENTRY   512
+#define BFA_AEN_MAX_ENTRY	512
 
-extern s32 bfa_aen_max_cfg_entry;
+extern int bfa_aen_max_cfg_entry;
 struct bfa_aen_s {
 	void		*bfad;
-	s32		max_entry;
-	s32		write_index;
-	s32		read_index;
-	u32	bfad_num;
-	u32	seq_num;
+	int		max_entry;
+	int		write_index;
+	int		read_index;
+	int		bfad_num;
+	int		seq_num;
 	void		(*aen_cb_notify)(void *bfad);
 	void		(*gettimeofday)(struct bfa_timeval_s *tv);
-	struct bfa_trc_mod_s 	*trcmod;
-	struct bfa_aen_entry_s	list[BFA_AEN_MAX_ENTRY]; /* Must be the last */
+	struct bfa_trc_mod_s *trcmod;
+	int		app_ri[BFA_AEN_MAX_APP]; /* For multiclient support */
+	struct bfa_aen_entry_s list[BFA_AEN_MAX_ENTRY]; /* Must be the last */
 };
 
 
@@ -45,48 +48,49 @@ bfa_aen_set_max_cfg_entry(int max_entry)
 	bfa_aen_max_cfg_entry = max_entry;
 }
 
-static inline s32
+static inline int
 bfa_aen_get_max_cfg_entry(void)
 {
 	return bfa_aen_max_cfg_entry;
 }
 
-static inline s32
+static inline int
 bfa_aen_get_meminfo(void)
 {
 	return sizeof(struct bfa_aen_entry_s) * bfa_aen_get_max_cfg_entry();
 }
 
-static inline s32
+static inline int
 bfa_aen_get_wi(struct bfa_aen_s *aen)
 {
 	return aen->write_index;
 }
 
-static inline s32
+static inline int
 bfa_aen_get_ri(struct bfa_aen_s *aen)
 {
 	return aen->read_index;
 }
 
-static inline s32
-bfa_aen_fetch_count(struct bfa_aen_s *aen, s32 read_index)
+static inline int
+bfa_aen_fetch_count(struct bfa_aen_s *aen, enum bfa_aen_app  app_id)
 {
-	return ((aen->write_index + aen->max_entry) - read_index)
+	bfa_assert((app_id < BFA_AEN_MAX_APP) && (app_id >= bfa_aen_app_bcu));
+	return ((aen->write_index + aen->max_entry) - aen->app_ri[app_id])
 		% aen->max_entry;
 }
 
-s32 bfa_aen_init(struct bfa_aen_s *aen, struct bfa_trc_mod_s *trcmod,
-		void *bfad, u32 inst_id, void (*aen_cb_notify)(void *),
+int bfa_aen_init(struct bfa_aen_s *aen, struct bfa_trc_mod_s *trcmod,
+		void *bfad, int bfad_num, void (*aen_cb_notify)(void *),
 		void (*gettimeofday)(struct bfa_timeval_s *));
 
-s32 bfa_aen_post(struct bfa_aen_s *aen, enum bfa_aen_category aen_category,
+void bfa_aen_post(struct bfa_aen_s *aen, enum bfa_aen_category aen_category,
 		     int aen_type, union bfa_aen_data_u *aen_data);
 
-s32 bfa_aen_fetch(struct bfa_aen_s *aen, struct bfa_aen_entry_s *aen_entry,
-		      s32 entry_space, s32 rii, s32 *ri_arr,
-		      s32 ri_arr_cnt);
+bfa_status_t bfa_aen_fetch(struct bfa_aen_s *aen,
+			struct bfa_aen_entry_s *aen_entry,
+			int entry_req, enum bfa_aen_app app_id, int *entry_ret);
 
-s32 bfa_aen_get_inst(struct bfa_aen_s *aen);
+int bfa_aen_get_inst(struct bfa_aen_s *aen);
 
 #endif /* __BFA_AEN_H__ */
diff --git a/drivers/scsi/bfa/include/bfa.h b/drivers/scsi/bfa/include/bfa.h
index d4bc0d9fa42c..1f5966cfbd16 100644
--- a/drivers/scsi/bfa/include/bfa.h
+++ b/drivers/scsi/bfa/include/bfa.h
@@ -106,6 +106,26 @@ struct bfa_sge_s {
 	bfa_ioc_fetch_stats(&(__bfa)->ioc, __ioc_stats)
 #define bfa_ioc_clear_stats(__bfa)	\
 	bfa_ioc_clr_stats(&(__bfa)->ioc)
+#define bfa_get_nports(__bfa)   \
+	bfa_ioc_get_nports(&(__bfa)->ioc)
+#define bfa_get_adapter_manufacturer(__bfa, __manufacturer) \
+	bfa_ioc_get_adapter_manufacturer(&(__bfa)->ioc, __manufacturer)
+#define bfa_get_adapter_model(__bfa, __model)   \
+	bfa_ioc_get_adapter_model(&(__bfa)->ioc, __model)
+#define bfa_get_adapter_serial_num(__bfa, __serial_num) \
+	bfa_ioc_get_adapter_serial_num(&(__bfa)->ioc, __serial_num)
+#define bfa_get_adapter_fw_ver(__bfa, __fw_ver) \
+	bfa_ioc_get_adapter_fw_ver(&(__bfa)->ioc, __fw_ver)
+#define bfa_get_adapter_optrom_ver(__bfa, __optrom_ver) \
+	bfa_ioc_get_adapter_optrom_ver(&(__bfa)->ioc, __optrom_ver)
+#define bfa_get_pci_chip_rev(__bfa, __chip_rev) \
+	bfa_ioc_get_pci_chip_rev(&(__bfa)->ioc, __chip_rev)
+#define bfa_get_ioc_state(__bfa)    \
+	bfa_ioc_get_state(&(__bfa)->ioc)
+#define bfa_get_type(__bfa) \
+	bfa_ioc_get_type(&(__bfa)->ioc)
+#define bfa_get_mac(__bfa)  \
+	bfa_ioc_get_mac(&(__bfa)->ioc)
 
 /*
  * bfa API functions
@@ -161,6 +181,7 @@ bfa_status_t bfa_iocfc_israttr_set(struct bfa_s *bfa,
 void bfa_iocfc_enable(struct bfa_s *bfa);
 void bfa_iocfc_disable(struct bfa_s *bfa);
 void bfa_ioc_auto_recover(bfa_boolean_t auto_recover);
+void bfa_chip_reset(struct bfa_s *bfa);
 void bfa_cb_ioc_disable(void *bfad);
 void bfa_timer_tick(struct bfa_s *bfa);
 #define bfa_timer_start(_bfa, _timer, _timercb, _arg, _timeout)	\
@@ -171,6 +192,7 @@ void bfa_timer_tick(struct bfa_s *bfa);
  */
 bfa_status_t bfa_debug_fwtrc(struct bfa_s *bfa, void *trcdata, int *trclen);
 bfa_status_t bfa_debug_fwsave(struct bfa_s *bfa, void *trcdata, int *trclen);
+void bfa_debug_fwsave_clear(struct bfa_s *bfa);
 
 #include "bfa_priv.h"
 
diff --git a/drivers/scsi/bfa/include/bfa_svc.h b/drivers/scsi/bfa/include/bfa_svc.h
index 268d956bad89..1349b99a3c6d 100644
--- a/drivers/scsi/bfa/include/bfa_svc.h
+++ b/drivers/scsi/bfa/include/bfa_svc.h
@@ -26,6 +26,7 @@ struct bfa_fcxp_s;
 #include <defs/bfa_defs_pport.h>
 #include <defs/bfa_defs_rport.h>
 #include <defs/bfa_defs_qos.h>
+#include <defs/bfa_defs_fcport.h>
 #include <cs/bfa_sm.h>
 #include <bfa.h>
 
@@ -35,7 +36,7 @@ struct bfa_fcxp_s;
 struct bfa_rport_info_s {
 	u16        max_frmsz;	/*  max rcv pdu size               */
 	u32        pid:24,		/*  remote port ID                 */
-			lp_tag:8;
+			lp_tag:8;	/*  tag                     */
 	u32        local_pid:24,	/*  local port ID		    */
 			cisc:8;		/*  CIRO supported		    */
 	u8         fc_class;	/*  supported FC classes. enum fc_cos */
@@ -54,7 +55,7 @@ struct bfa_rport_s {
 	void                  *rport_drv; /*  fcs/driver rport object */
 	u16              fw_handle; /*  firmware rport handle */
 	u16              rport_tag; /*  BFA rport tag */
-	struct bfa_rport_info_s rport_info; /*  rport info from *fcs/driver */
+	struct bfa_rport_info_s rport_info; /*  rport info from fcs/driver */
 	struct bfa_reqq_wait_s reqq_wait; /*  to wait for room in reqq */
 	struct bfa_cb_qe_s    hcb_qe;	 /*  BFA callback qelem */
 	struct bfa_rport_hal_stats_s stats; /*  BFA rport statistics  */
@@ -101,7 +102,7 @@ struct bfa_uf_buf_s {
 struct bfa_uf_s {
 	struct list_head	qe;		/*  queue element	  */
 	struct bfa_s	*bfa;		/*  bfa instance	  */
-	u16        uf_tag;		/*  identifying tag f/w messages */
+	u16        uf_tag;		/*  identifying tag fw msgs     */
 	u16        vf_id;
 	u16        src_rport_handle;
 	u16        rsvd;
@@ -127,7 +128,7 @@ struct bfa_lps_s {
 	u8		reqq;		/*  lport request queue	*/
 	u8		alpa;		/*  ALPA for loop topologies	*/
 	u32	lp_pid;		/*  lport port ID		*/
-	bfa_boolean_t	fdisc;		/*  send FDISC instead of FLOGI*/
+	bfa_boolean_t	fdisc;		/*  send FDISC instead of FLOGI  */
 	bfa_boolean_t	auth_en;	/*  enable authentication	*/
 	bfa_boolean_t	auth_req;	/*  authentication required	*/
 	bfa_boolean_t	npiv_en;	/*  NPIV is allowed by peer	*/
@@ -151,60 +152,69 @@ struct bfa_lps_s {
 	bfa_eproto_status_t	ext_status;
 };
 
+#define BFA_FCPORT(_bfa)        (&((_bfa)->modules.port))
+
 /*
  * bfa pport API functions
  */
-bfa_status_t bfa_pport_enable(struct bfa_s *bfa);
-bfa_status_t bfa_pport_disable(struct bfa_s *bfa);
-bfa_status_t bfa_pport_cfg_speed(struct bfa_s *bfa,
+bfa_status_t bfa_fcport_enable(struct bfa_s *bfa);
+bfa_status_t bfa_fcport_disable(struct bfa_s *bfa);
+bfa_status_t bfa_fcport_cfg_speed(struct bfa_s *bfa,
 			enum bfa_pport_speed speed);
-enum bfa_pport_speed bfa_pport_get_speed(struct bfa_s *bfa);
-bfa_status_t bfa_pport_cfg_topology(struct bfa_s *bfa,
+enum bfa_pport_speed bfa_fcport_get_speed(struct bfa_s *bfa);
+bfa_status_t bfa_fcport_cfg_topology(struct bfa_s *bfa,
 			enum bfa_pport_topology topo);
-enum bfa_pport_topology bfa_pport_get_topology(struct bfa_s *bfa);
-bfa_status_t bfa_pport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa);
-bfa_boolean_t bfa_pport_get_hardalpa(struct bfa_s *bfa, u8 *alpa);
-u8 bfa_pport_get_myalpa(struct bfa_s *bfa);
-bfa_status_t bfa_pport_clr_hardalpa(struct bfa_s *bfa);
-bfa_status_t bfa_pport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxsize);
-u16 bfa_pport_get_maxfrsize(struct bfa_s *bfa);
-u32 bfa_pport_mypid(struct bfa_s *bfa);
-u8 bfa_pport_get_rx_bbcredit(struct bfa_s *bfa);
-bfa_status_t bfa_pport_trunk_enable(struct bfa_s *bfa, u8 bitmap);
-bfa_status_t bfa_pport_trunk_disable(struct bfa_s *bfa);
-bfa_boolean_t bfa_pport_trunk_query(struct bfa_s *bfa, u32 *bitmap);
-void bfa_pport_get_attr(struct bfa_s *bfa, struct bfa_pport_attr_s *attr);
-wwn_t bfa_pport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node);
-bfa_status_t bfa_pport_get_stats(struct bfa_s *bfa,
-			union bfa_pport_stats_u *stats,
-			bfa_cb_pport_t cbfn, void *cbarg);
-bfa_status_t bfa_pport_clear_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn,
-			void *cbarg);
-void bfa_pport_event_register(struct bfa_s *bfa,
+enum bfa_pport_topology bfa_fcport_get_topology(struct bfa_s *bfa);
+bfa_status_t bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa);
+bfa_boolean_t bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa);
+u8 bfa_fcport_get_myalpa(struct bfa_s *bfa);
+bfa_status_t bfa_fcport_clr_hardalpa(struct bfa_s *bfa);
+bfa_status_t bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxsize);
+u16 bfa_fcport_get_maxfrsize(struct bfa_s *bfa);
+u32 bfa_fcport_mypid(struct bfa_s *bfa);
+u8 bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa);
+bfa_status_t bfa_fcport_trunk_enable(struct bfa_s *bfa, u8 bitmap);
+bfa_status_t bfa_fcport_trunk_disable(struct bfa_s *bfa);
+bfa_boolean_t bfa_fcport_trunk_query(struct bfa_s *bfa, u32 *bitmap);
+void bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_pport_attr_s *attr);
+wwn_t bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node);
+void bfa_fcport_event_register(struct bfa_s *bfa,
 			void (*event_cbfn) (void *cbarg,
 			bfa_pport_event_t event), void *event_cbarg);
-bfa_boolean_t bfa_pport_is_disabled(struct bfa_s *bfa);
-void bfa_pport_cfg_qos(struct bfa_s *bfa, bfa_boolean_t on_off);
-void bfa_pport_cfg_ratelim(struct bfa_s *bfa, bfa_boolean_t on_off);
-bfa_status_t bfa_pport_cfg_ratelim_speed(struct bfa_s *bfa,
+bfa_boolean_t bfa_fcport_is_disabled(struct bfa_s *bfa);
+void bfa_fcport_cfg_qos(struct bfa_s *bfa, bfa_boolean_t on_off);
+void bfa_fcport_cfg_ratelim(struct bfa_s *bfa, bfa_boolean_t on_off);
+bfa_status_t bfa_fcport_cfg_ratelim_speed(struct bfa_s *bfa,
 			enum bfa_pport_speed speed);
-enum bfa_pport_speed bfa_pport_get_ratelim_speed(struct bfa_s *bfa);
+enum bfa_pport_speed bfa_fcport_get_ratelim_speed(struct bfa_s *bfa);
 
-void bfa_pport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit);
-void bfa_pport_busy(struct bfa_s *bfa, bfa_boolean_t status);
-void bfa_pport_beacon(struct bfa_s *bfa, bfa_boolean_t beacon,
+void bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit);
+void bfa_fcport_busy(struct bfa_s *bfa, bfa_boolean_t status);
+void bfa_fcport_beacon(struct bfa_s *bfa, bfa_boolean_t beacon,
 			bfa_boolean_t link_e2e_beacon);
 void bfa_cb_pport_event(void *cbarg, bfa_pport_event_t event);
-void bfa_pport_qos_get_attr(struct bfa_s *bfa, struct bfa_qos_attr_s *qos_attr);
-void bfa_pport_qos_get_vc_attr(struct bfa_s *bfa,
+void bfa_fcport_qos_get_attr(struct bfa_s *bfa,
+			struct bfa_qos_attr_s *qos_attr);
+void bfa_fcport_qos_get_vc_attr(struct bfa_s *bfa,
 			struct bfa_qos_vc_attr_s *qos_vc_attr);
-bfa_status_t bfa_pport_get_qos_stats(struct bfa_s *bfa,
-			union bfa_pport_stats_u *stats,
+bfa_status_t bfa_fcport_get_qos_stats(struct bfa_s *bfa,
+			union bfa_fcport_stats_u *stats,
 			bfa_cb_pport_t cbfn, void *cbarg);
-bfa_status_t bfa_pport_clear_qos_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn,
+bfa_status_t bfa_fcport_clear_qos_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn,
 			void *cbarg);
-bfa_boolean_t     bfa_pport_is_ratelim(struct bfa_s *bfa);
-bfa_boolean_t	bfa_pport_is_linkup(struct bfa_s *bfa);
+bfa_status_t bfa_fcport_get_fcoe_stats(struct bfa_s *bfa,
+			union bfa_fcport_stats_u *stats,
+			bfa_cb_pport_t cbfn, void *cbarg);
+bfa_status_t bfa_fcport_clear_fcoe_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn,
+			void *cbarg);
+
+bfa_boolean_t     bfa_fcport_is_ratelim(struct bfa_s *bfa);
+bfa_boolean_t	bfa_fcport_is_linkup(struct bfa_s *bfa);
+bfa_status_t bfa_fcport_get_stats(struct bfa_s *bfa,
+		union bfa_fcport_stats_u *stats,
+		bfa_cb_pport_t cbfn, void *cbarg);
+bfa_status_t bfa_fcport_clear_stats(struct bfa_s *bfa, bfa_cb_pport_t cbfn,
+		void *cbarg);
 
 /*
  * bfa rport API functions
@@ -293,6 +303,7 @@ void bfa_uf_free(struct bfa_uf_s *uf);
  * bfa lport service api
  */
 
+u32	bfa_lps_get_max_vport(struct bfa_s *bfa);
 struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa);
 void bfa_lps_delete(struct bfa_lps_s *lps);
 void bfa_lps_discard(struct bfa_lps_s *lps);
@@ -315,10 +326,12 @@ wwn_t bfa_lps_get_peer_pwwn(struct bfa_lps_s *lps);
 wwn_t bfa_lps_get_peer_nwwn(struct bfa_lps_s *lps);
 u8 bfa_lps_get_lsrjt_rsn(struct bfa_lps_s *lps);
 u8 bfa_lps_get_lsrjt_expl(struct bfa_lps_s *lps);
+mac_t bfa_lps_get_lp_mac(struct bfa_lps_s *lps);
 void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status);
 void bfa_cb_lps_flogo_comp(void *bfad, void *uarg);
 void bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status);
 void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg);
+void bfa_cb_lps_cvl_event(void *bfad, void *uarg);
 
 #endif /* __BFA_SVC_H__ */
 
diff --git a/drivers/scsi/bfa/include/bfa_timer.h b/drivers/scsi/bfa/include/bfa_timer.h
index e407103fa565..f71087448222 100644
--- a/drivers/scsi/bfa/include/bfa_timer.h
+++ b/drivers/scsi/bfa/include/bfa_timer.h
@@ -41,7 +41,7 @@ struct bfa_timer_mod_s {
 	struct list_head timer_q;
 };
 
-#define BFA_TIMER_FREQ 500 /**< specified in millisecs */
+#define BFA_TIMER_FREQ 200 /**< specified in millisecs */
 
 void bfa_timer_beat(struct bfa_timer_mod_s *mod);
 void bfa_timer_init(struct bfa_timer_mod_s *mod);
diff --git a/drivers/scsi/bfa/include/bfi/bfi.h b/drivers/scsi/bfa/include/bfi/bfi.h
index 7042c18e542d..a550e80cabd2 100644
--- a/drivers/scsi/bfa/include/bfi/bfi.h
+++ b/drivers/scsi/bfa/include/bfi/bfi.h
@@ -143,8 +143,8 @@ enum bfi_mclass {
 	BFI_MC_IOC		= 1,	/*  IO Controller (IOC)	    */
 	BFI_MC_DIAG		= 2,	/*  Diagnostic Msgs		    */
 	BFI_MC_FLASH		= 3,	/*  Flash message class	    */
-	BFI_MC_CEE		= 4,
-	BFI_MC_FC_PORT		= 5,	/*  FC port		   	    */
+	BFI_MC_CEE		= 4,	/*  CEE                     */
+	BFI_MC_FCPORT		= 5,	/*  FC port		   	    */
 	BFI_MC_IOCFC		= 6,	/*  FC - IO Controller (IOC)	    */
 	BFI_MC_LL		= 7,	/*  Link Layer		 	    */
 	BFI_MC_UF		= 8,	/*  Unsolicited frame receive	    */
diff --git a/drivers/scsi/bfa/include/bfi/bfi_cbreg.h b/drivers/scsi/bfa/include/bfi/bfi_cbreg.h
index b3bb52b565b1..a51ee61ddb19 100644
--- a/drivers/scsi/bfa/include/bfi/bfi_cbreg.h
+++ b/drivers/scsi/bfa/include/bfi/bfi_cbreg.h
@@ -177,7 +177,21 @@
 #define __PSS_LMEM_INIT_EN               0x00000100
 #define __PSS_LPU1_RESET                 0x00000002
 #define __PSS_LPU0_RESET                 0x00000001
-
+#define PSS_ERR_STATUS_REG		 0x00018810
+#define __PSS_LMEM1_CORR_ERR		 0x00000800
+#define __PSS_LMEM0_CORR_ERR             0x00000400
+#define __PSS_LMEM1_UNCORR_ERR           0x00000200
+#define __PSS_LMEM0_UNCORR_ERR           0x00000100
+#define __PSS_BAL_PERR                   0x00000080
+#define __PSS_DIP_IF_ERR                 0x00000040
+#define __PSS_IOH_IF_ERR                 0x00000020
+#define __PSS_TDS_IF_ERR                 0x00000010
+#define __PSS_RDS_IF_ERR                 0x00000008
+#define __PSS_SGM_IF_ERR                 0x00000004
+#define __PSS_LPU1_RAM_ERR               0x00000002
+#define __PSS_LPU0_RAM_ERR               0x00000001
+#define ERR_SET_REG			 0x00018818
+#define __PSS_ERR_STATUS_SET		 0x00000fff
 
 /*
  * These definitions are either in error/missing in spec. Its auto-generated
diff --git a/drivers/scsi/bfa/include/bfi/bfi_ctreg.h b/drivers/scsi/bfa/include/bfi/bfi_ctreg.h
index d3caa58c0a0a..57a8497105af 100644
--- a/drivers/scsi/bfa/include/bfi/bfi_ctreg.h
+++ b/drivers/scsi/bfa/include/bfi/bfi_ctreg.h
@@ -430,6 +430,31 @@ enum {
 #define __PSS_LMEM_INIT_EN               0x00000100
 #define __PSS_LPU1_RESET                 0x00000002
 #define __PSS_LPU0_RESET                 0x00000001
+#define PSS_ERR_STATUS_REG               0x00018810
+#define __PSS_LPU1_TCM_READ_ERR          0x00200000
+#define __PSS_LPU0_TCM_READ_ERR          0x00100000
+#define __PSS_LMEM5_CORR_ERR             0x00080000
+#define __PSS_LMEM4_CORR_ERR             0x00040000
+#define __PSS_LMEM3_CORR_ERR             0x00020000
+#define __PSS_LMEM2_CORR_ERR             0x00010000
+#define __PSS_LMEM1_CORR_ERR             0x00008000
+#define __PSS_LMEM0_CORR_ERR             0x00004000
+#define __PSS_LMEM5_UNCORR_ERR           0x00002000
+#define __PSS_LMEM4_UNCORR_ERR           0x00001000
+#define __PSS_LMEM3_UNCORR_ERR           0x00000800
+#define __PSS_LMEM2_UNCORR_ERR           0x00000400
+#define __PSS_LMEM1_UNCORR_ERR           0x00000200
+#define __PSS_LMEM0_UNCORR_ERR           0x00000100
+#define __PSS_BAL_PERR                   0x00000080
+#define __PSS_DIP_IF_ERR                 0x00000040
+#define __PSS_IOH_IF_ERR                 0x00000020
+#define __PSS_TDS_IF_ERR                 0x00000010
+#define __PSS_RDS_IF_ERR                 0x00000008
+#define __PSS_SGM_IF_ERR                 0x00000004
+#define __PSS_LPU1_RAM_ERR               0x00000002
+#define __PSS_LPU0_RAM_ERR               0x00000001
+#define ERR_SET_REG			 0x00018818
+#define __PSS_ERR_STATUS_SET		 0x003fffff
 #define HQM_QSET0_RXQ_DRBL_P0            0x00038000
 #define __RXQ0_ADD_VECTORS_P             0x80000000
 #define __RXQ0_STOP_P                    0x40000000
@@ -589,6 +614,7 @@ enum {
 #define __HFN_INT_MBOX_LPU1                0x00200000U
 #define __HFN_INT_MBOX1_LPU0               0x00400000U
 #define __HFN_INT_MBOX1_LPU1               0x00800000U
+#define __HFN_INT_LL_HALT		   0x01000000U
 #define __HFN_INT_CPE_MASK                 0x000000ffU
 #define __HFN_INT_RME_MASK                 0x0000ff00U
 
diff --git a/drivers/scsi/bfa/include/bfi/bfi_ioc.h b/drivers/scsi/bfa/include/bfi/bfi_ioc.h
index 96ef05670659..a0158aac0024 100644
--- a/drivers/scsi/bfa/include/bfi/bfi_ioc.h
+++ b/drivers/scsi/bfa/include/bfi/bfi_ioc.h
@@ -123,7 +123,7 @@ enum bfi_ioc_state {
 	BFI_IOC_DISABLING 	 = 5,	/*  IOC is being disabled           */
 	BFI_IOC_DISABLED 	 = 6,	/*  IOC is disabled                 */
 	BFI_IOC_CFG_DISABLED = 7,	/*  IOC is being disabled;transient */
-	BFI_IOC_HBFAIL       = 8,	/*  IOC heart-beat failure          */
+	BFI_IOC_FAIL       = 8,		/*  IOC heart-beat failure          */
 	BFI_IOC_MEMTEST      = 9,	/*  IOC is doing memtest            */
 };
 
diff --git a/drivers/scsi/bfa/include/bfi/bfi_lps.h b/drivers/scsi/bfa/include/bfi/bfi_lps.h
index c59d47badb4b..7ed31bbb8696 100644
--- a/drivers/scsi/bfa/include/bfi/bfi_lps.h
+++ b/drivers/scsi/bfa/include/bfi/bfi_lps.h
@@ -30,6 +30,7 @@ enum bfi_lps_h2i_msgs {
 enum bfi_lps_i2h_msgs {
 	BFI_LPS_H2I_LOGIN_RSP	= BFA_I2HM(1),
 	BFI_LPS_H2I_LOGOUT_RSP	= BFA_I2HM(2),
+	BFI_LPS_H2I_CVL_EVENT   = BFA_I2HM(3),
 };
 
 struct bfi_lps_login_req_s {
@@ -77,6 +78,12 @@ struct bfi_lps_logout_rsp_s {
 	u8		rsvd[2];
 };
 
+struct bfi_lps_cvl_event_s {
+	struct bfi_mhdr_s  mh;      /* common msg header      */
+	u8		lp_tag;
+	u8		rsvd[3];
+};
+
 union bfi_lps_h2i_msg_u {
 	struct bfi_mhdr_s		*msg;
 	struct bfi_lps_login_req_s	*login_req;
@@ -87,6 +94,7 @@ union bfi_lps_i2h_msg_u {
 	struct bfi_msg_s		*msg;
 	struct bfi_lps_login_rsp_s	*login_rsp;
 	struct bfi_lps_logout_rsp_s	*logout_rsp;
+	struct bfi_lps_cvl_event_s	*cvl_event;
 };
 
 #pragma pack()
diff --git a/drivers/scsi/bfa/include/bfi/bfi_pport.h b/drivers/scsi/bfa/include/bfi/bfi_pport.h
index c96d246851af..50dcf45c7470 100644
--- a/drivers/scsi/bfa/include/bfi/bfi_pport.h
+++ b/drivers/scsi/bfa/include/bfi/bfi_pport.h
@@ -22,163 +22,97 @@
 
 #pragma pack(1)
 
-enum bfi_pport_h2i {
-	BFI_PPORT_H2I_ENABLE_REQ		= (1),
-	BFI_PPORT_H2I_DISABLE_REQ		= (2),
-	BFI_PPORT_H2I_GET_STATS_REQ		= (3),
-	BFI_PPORT_H2I_CLEAR_STATS_REQ	= (4),
-	BFI_PPORT_H2I_SET_SVC_PARAMS_REQ	= (5),
-	BFI_PPORT_H2I_ENABLE_RX_VF_TAG_REQ	= (6),
-	BFI_PPORT_H2I_ENABLE_TX_VF_TAG_REQ	= (7),
-	BFI_PPORT_H2I_GET_QOS_STATS_REQ		= (8),
-	BFI_PPORT_H2I_CLEAR_QOS_STATS_REQ	= (9),
+enum bfi_fcport_h2i {
+	BFI_FCPORT_H2I_ENABLE_REQ		= (1),
+	BFI_FCPORT_H2I_DISABLE_REQ		= (2),
+	BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ	= (3),
+	BFI_FCPORT_H2I_STATS_GET_REQ		= (4),
+	BFI_FCPORT_H2I_STATS_CLEAR_REQ		= (5),
 };
 
-enum bfi_pport_i2h {
-	BFI_PPORT_I2H_ENABLE_RSP		= BFA_I2HM(1),
-	BFI_PPORT_I2H_DISABLE_RSP		= BFA_I2HM(2),
-	BFI_PPORT_I2H_GET_STATS_RSP		= BFA_I2HM(3),
-	BFI_PPORT_I2H_CLEAR_STATS_RSP	= BFA_I2HM(4),
-	BFI_PPORT_I2H_SET_SVC_PARAMS_RSP	= BFA_I2HM(5),
-	BFI_PPORT_I2H_ENABLE_RX_VF_TAG_RSP	= BFA_I2HM(6),
-	BFI_PPORT_I2H_ENABLE_TX_VF_TAG_RSP	= BFA_I2HM(7),
-	BFI_PPORT_I2H_EVENT			= BFA_I2HM(8),
-	BFI_PPORT_I2H_GET_QOS_STATS_RSP		= BFA_I2HM(9),
-	BFI_PPORT_I2H_CLEAR_QOS_STATS_RSP	= BFA_I2HM(10),
+enum bfi_fcport_i2h {
+	BFI_FCPORT_I2H_ENABLE_RSP		= BFA_I2HM(1),
+	BFI_FCPORT_I2H_DISABLE_RSP		= BFA_I2HM(2),
+	BFI_FCPORT_I2H_SET_SVC_PARAMS_RSP	= BFA_I2HM(3),
+	BFI_FCPORT_I2H_STATS_GET_RSP		= BFA_I2HM(4),
+	BFI_FCPORT_I2H_STATS_CLEAR_RSP		= BFA_I2HM(5),
+	BFI_FCPORT_I2H_EVENT			= BFA_I2HM(6),
 };
 
 /**
  * Generic REQ type
  */
-struct bfi_pport_generic_req_s {
+struct bfi_fcport_req_s {
 	struct bfi_mhdr_s  mh;		/*  msg header			    */
-	u32        msgtag;		/*  msgtag for reply		    */
+	u32	   msgtag;	/*  msgtag for reply		    */
 };
 
 /**
  * Generic RSP type
  */
-struct bfi_pport_generic_rsp_s {
+struct bfi_fcport_rsp_s {
 	struct bfi_mhdr_s  mh;		/*  common msg header		    */
-	u8         status;		/*  port enable status		    */
-	u8         rsvd[3];
-	u32        msgtag;		/*  msgtag for reply		    */
+	u8		   status;	/*  port enable status		    */
+	u8		   rsvd[3];
+	u32	   msgtag;	/*  msgtag for reply		    */
 };
 
 /**
- * BFI_PPORT_H2I_ENABLE_REQ
+ * BFI_FCPORT_H2I_ENABLE_REQ
  */
-struct bfi_pport_enable_req_s {
+struct bfi_fcport_enable_req_s {
 	struct bfi_mhdr_s  mh;		/*  msg header			    */
-	u32        rsvd1;
-	wwn_t           nwwn;		/*  node wwn of physical port	    */
-	wwn_t           pwwn;		/*  port wwn of physical port	    */
-	struct bfa_pport_cfg_s port_cfg;	/*  port configuration	    */
-	union bfi_addr_u  stats_dma_addr;	/*  DMA address for stats  */
-	u32        msgtag;		/*  msgtag for reply		    */
-	u32        rsvd2;
+	u32	   rsvd1;
+	wwn_t		   nwwn;	/*  node wwn of physical port	    */
+	wwn_t		   pwwn;	/*  port wwn of physical port	    */
+	struct bfa_pport_cfg_s port_cfg; /*  port configuration	    */
+	union bfi_addr_u   stats_dma_addr; /*  DMA address for stats	    */
+	u32	   msgtag;	/*  msgtag for reply		    */
+	u32	   rsvd2;
 };
 
 /**
- * BFI_PPORT_I2H_ENABLE_RSP
+ * BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ
  */
-#define bfi_pport_enable_rsp_t struct bfi_pport_generic_rsp_s
-
-/**
- * BFI_PPORT_H2I_DISABLE_REQ
- */
-#define bfi_pport_disable_req_t struct bfi_pport_generic_req_s
-
-/**
- * BFI_PPORT_I2H_DISABLE_RSP
- */
-#define bfi_pport_disable_rsp_t struct bfi_pport_generic_rsp_s
-
-/**
- * BFI_PPORT_H2I_GET_STATS_REQ
- */
-#define bfi_pport_get_stats_req_t struct bfi_pport_generic_req_s
-
-/**
- * BFI_PPORT_I2H_GET_STATS_RSP
- */
-#define bfi_pport_get_stats_rsp_t struct bfi_pport_generic_rsp_s
-
-/**
- * BFI_PPORT_H2I_CLEAR_STATS_REQ
- */
-#define bfi_pport_clear_stats_req_t struct bfi_pport_generic_req_s
-
-/**
- * BFI_PPORT_I2H_CLEAR_STATS_RSP
- */
-#define bfi_pport_clear_stats_rsp_t struct bfi_pport_generic_rsp_s
-
-/**
- * BFI_PPORT_H2I_GET_QOS_STATS_REQ
- */
-#define bfi_pport_get_qos_stats_req_t struct bfi_pport_generic_req_s
-
-/**
- * BFI_PPORT_H2I_GET_QOS_STATS_RSP
- */
-#define bfi_pport_get_qos_stats_rsp_t struct bfi_pport_generic_rsp_s
-
-/**
- * BFI_PPORT_H2I_CLEAR_QOS_STATS_REQ
- */
-#define bfi_pport_clear_qos_stats_req_t struct bfi_pport_generic_req_s
-
-/**
- * BFI_PPORT_H2I_CLEAR_QOS_STATS_RSP
- */
-#define bfi_pport_clear_qos_stats_rsp_t struct bfi_pport_generic_rsp_s
-
-/**
- * BFI_PPORT_H2I_SET_SVC_PARAMS_REQ
- */
-struct bfi_pport_set_svc_params_req_s {
+struct bfi_fcport_set_svc_params_req_s {
 	struct bfi_mhdr_s  mh;		/*  msg header */
-	u16        tx_bbcredit;	/*  Tx credits */
-	u16        rsvd;
+	u16	   tx_bbcredit;	/*  Tx credits */
+	u16	   rsvd;
 };
 
 /**
- * BFI_PPORT_I2H_SET_SVC_PARAMS_RSP
- */
-
-/**
- * BFI_PPORT_I2H_EVENT
+ * BFI_FCPORT_I2H_EVENT
  */
-struct bfi_pport_event_s {
+struct bfi_fcport_event_s {
 	struct bfi_mhdr_s 	mh;	/*  common msg header */
 	struct bfa_pport_link_s	link_state;
 };
 
-union bfi_pport_h2i_msg_u {
+/**
+ * fcport H2I message
+ */
+union bfi_fcport_h2i_msg_u {
 	struct bfi_mhdr_s			*mhdr;
-	struct bfi_pport_enable_req_s		*penable;
-	struct bfi_pport_generic_req_s		*pdisable;
-	struct bfi_pport_generic_req_s		*pgetstats;
-	struct bfi_pport_generic_req_s		*pclearstats;
-	struct bfi_pport_set_svc_params_req_s	*psetsvcparams;
-	struct bfi_pport_get_qos_stats_req_s	*pgetqosstats;
-	struct bfi_pport_generic_req_s		*pclearqosstats;
+	struct bfi_fcport_enable_req_s		*penable;
+	struct bfi_fcport_req_s			*pdisable;
+	struct bfi_fcport_set_svc_params_req_s	*psetsvcparams;
+	struct bfi_fcport_req_s			*pstatsget;
+	struct bfi_fcport_req_s			*pstatsclear;
 };
 
-union bfi_pport_i2h_msg_u {
+/**
+ * fcport I2H message
+ */
+union bfi_fcport_i2h_msg_u {
 	struct bfi_msg_s			*msg;
-	struct bfi_pport_generic_rsp_s		*enable_rsp;
-	struct bfi_pport_disable_rsp_s		*disable_rsp;
-	struct bfi_pport_generic_rsp_s		*getstats_rsp;
-	struct bfi_pport_clear_stats_rsp_s	*clearstats_rsp;
-	struct bfi_pport_set_svc_params_rsp_s	*setsvcparasm_rsp;
-	struct bfi_pport_get_qos_stats_rsp_s	*getqosstats_rsp;
-	struct bfi_pport_clear_qos_stats_rsp_s	*clearqosstats_rsp;
-	struct bfi_pport_event_s		*event;
+	struct bfi_fcport_rsp_s			*penable_rsp;
+	struct bfi_fcport_rsp_s			*pdisable_rsp;
+	struct bfi_fcport_rsp_s			*psetsvcparams_rsp;
+	struct bfi_fcport_rsp_s			*pstatsget_rsp;
+	struct bfi_fcport_rsp_s			*pstatsclear_rsp;
+	struct bfi_fcport_event_s		*event;
 };
 
 #pragma pack()
 
 #endif /* __BFI_PPORT_H__ */
-
diff --git a/drivers/scsi/bfa/include/cna/bfa_cna_trcmod.h b/drivers/scsi/bfa/include/cna/bfa_cna_trcmod.h
index 43ba7064e81a..a75a1f3be315 100644
--- a/drivers/scsi/bfa/include/cna/bfa_cna_trcmod.h
+++ b/drivers/scsi/bfa/include/cna/bfa_cna_trcmod.h
@@ -31,6 +31,10 @@
 enum {
 	BFA_TRC_CNA_CEE		= 1,
 	BFA_TRC_CNA_PORT	= 2,
+	BFA_TRC_CNA_IOC     = 3,
+	BFA_TRC_CNA_DIAG    = 4,
+	BFA_TRC_CNA_IOC_CB  = 5,
+	BFA_TRC_CNA_IOC_CT  = 6,
 };
 
 #endif /* __BFA_CNA_TRCMOD_H__ */
diff --git a/drivers/scsi/bfa/include/cs/bfa_log.h b/drivers/scsi/bfa/include/cs/bfa_log.h
index 761cbe22130a..bc334e0a93fa 100644
--- a/drivers/scsi/bfa/include/cs/bfa_log.h
+++ b/drivers/scsi/bfa/include/cs/bfa_log.h
@@ -157,7 +157,7 @@ typedef void (*bfa_log_cb_t)(struct bfa_log_mod_s *log_mod, u32 msg_id,
 
 
 struct bfa_log_mod_s {
-	char		instance_info[16];	/*  instance info */
+	char		instance_info[BFA_STRING_32];	/*  instance info */
 	int		log_level[BFA_LOG_MODULE_ID_MAX + 1];
 						/*  log level for modules */
 	bfa_log_cb_t	cbfn; 			/*  callback function */
diff --git a/drivers/scsi/bfa/include/cs/bfa_plog.h b/drivers/scsi/bfa/include/cs/bfa_plog.h
index 670f86e5fc6e..f5bef63b5877 100644
--- a/drivers/scsi/bfa/include/cs/bfa_plog.h
+++ b/drivers/scsi/bfa/include/cs/bfa_plog.h
@@ -80,7 +80,8 @@ enum bfa_plog_mid {
 	BFA_PL_MID_HAL_FCXP 	= 4,
 	BFA_PL_MID_HAL_UF 	= 5,
 	BFA_PL_MID_FCS 		= 6,
-	BFA_PL_MID_MAX 		= 7
+	BFA_PL_MID_LPS		= 7,
+	BFA_PL_MID_MAX 		= 8
 };
 
 #define BFA_PL_MID_STRLEN    8
@@ -118,7 +119,11 @@ enum bfa_plog_eid {
 	BFA_PL_EID_RSCN 		= 17,
 	BFA_PL_EID_DEBUG 		= 18,
 	BFA_PL_EID_MISC 		= 19,
-	BFA_PL_EID_MAX 			= 20
+	BFA_PL_EID_FIP_FCF_DISC		= 20,
+	BFA_PL_EID_FIP_FCF_CVL		= 21,
+	BFA_PL_EID_LOGIN		= 22,
+	BFA_PL_EID_LOGO			= 23,
+	BFA_PL_EID_MAX			= 24
 };
 
 #define BFA_PL_ENAME_STRLEN    	8
diff --git a/drivers/scsi/bfa/include/cs/bfa_sm.h b/drivers/scsi/bfa/include/cs/bfa_sm.h
index b0a92baf6657..11fba9082f05 100644
--- a/drivers/scsi/bfa/include/cs/bfa_sm.h
+++ b/drivers/scsi/bfa/include/cs/bfa_sm.h
@@ -23,6 +23,14 @@
 #define __BFA_SM_H__
 
 typedef void (*bfa_sm_t)(void *sm, int event);
+/**
+ * oc - object class eg. bfa_ioc
+ * st - state, eg. reset
+ * otype - object type, eg. struct bfa_ioc_s
+ * etype - object type, eg. enum ioc_event
+ */
+#define bfa_sm_state_decl(oc, st, otype, etype)         \
+	static void oc ## _sm_ ## st(otype * fsm, etype event)
 
 #define bfa_sm_set_state(_sm, _state)	((_sm)->sm = (bfa_sm_t)(_state))
 #define bfa_sm_send_event(_sm, _event)	((_sm)->sm((_sm), (_event)))
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_aen.h b/drivers/scsi/bfa/include/defs/bfa_defs_aen.h
index 4c81a613db3d..35244698fcdc 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_aen.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_aen.h
@@ -30,6 +30,16 @@
 #include <defs/bfa_defs_audit.h>
 #include <defs/bfa_defs_ethport.h>
 
+#define BFA_AEN_MAX_APP         5
+
+enum bfa_aen_app {
+	bfa_aen_app_bcu = 0,    /* No thread for bcu */
+	bfa_aen_app_hcm = 1,
+	bfa_aen_app_cim = 2,
+	bfa_aen_app_snia = 3,
+	bfa_aen_app_test = 4,   /* To be removed after unit test */
+};
+
 enum bfa_aen_category {
 	BFA_AEN_CAT_ADAPTER 	= 1,
 	BFA_AEN_CAT_PORT 	= 2,
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_auth.h b/drivers/scsi/bfa/include/defs/bfa_defs_auth.h
index dd19c83aba58..45df32820911 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_auth.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_auth.h
@@ -23,6 +23,7 @@
 #define PRIVATE_KEY			19009
 #define KEY_LEN				32399
 #define BFA_AUTH_SECRET_STRING_LEN	256
+#define BFA_AUTH_FAIL_NO_PASSWORD	0xFE
 #define BFA_AUTH_FAIL_TIMEOUT		0xFF
 
 /**
@@ -41,6 +42,27 @@ enum bfa_auth_status {
 	BFA_AUTH_STATUS_UNKNOWN = 9,	/*  authentication status unknown */
 };
 
+enum bfa_auth_rej_code {
+	BFA_AUTH_RJT_CODE_AUTH_FAILURE   = 1, /* auth failure */
+	BFA_AUTH_RJT_CODE_LOGICAL_ERR    = 2, /* logical error */
+};
+
+/**
+ * Authentication reject codes
+ */
+enum bfa_auth_rej_code_exp {
+	BFA_AUTH_MECH_NOT_USABLE        = 1, /* auth. mechanism not usable */
+	BFA_AUTH_DH_GROUP_NOT_USABLE    = 2, /* DH Group not usable */
+	BFA_AUTH_HASH_FUNC_NOT_USABLE   = 3, /* hash Function not usable */
+	BFA_AUTH_AUTH_XACT_STARTED      = 4, /* auth xact started */
+	BFA_AUTH_AUTH_FAILED            = 5, /* auth failed */
+	BFA_AUTH_INCORRECT_PLD          = 6, /* incorrect payload */
+	BFA_AUTH_INCORRECT_PROTO_MSG    = 7, /* incorrect proto msg */
+	BFA_AUTH_RESTART_AUTH_PROTO     = 8, /* restart auth protocol */
+	BFA_AUTH_AUTH_CONCAT_NOT_SUPP   = 9, /* auth concat not supported */
+	BFA_AUTH_PROTO_VER_NOT_SUPP     = 10,/* proto version not supported */
+};
+
 struct auth_proto_stats_s {
 	u32        auth_rjts;
 	u32        auth_negs;
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_cee.h b/drivers/scsi/bfa/include/defs/bfa_defs_cee.h
index 520a22f52dd1..b0ac9ac15c5d 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_cee.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_cee.h
@@ -28,10 +28,6 @@
 
 #define BFA_CEE_LLDP_MAX_STRING_LEN (128)
 
-
-/* FIXME: this is coming from the protocol spec. Can the host & apps share the
-   protocol .h files ?
- */
 #define BFA_CEE_LLDP_SYS_CAP_OTHER       0x0001
 #define BFA_CEE_LLDP_SYS_CAP_REPEATER    0x0002
 #define BFA_CEE_LLDP_SYS_CAP_MAC_BRIDGE  0x0004
@@ -94,9 +90,10 @@ struct bfa_cee_dcbx_cfg_s {
 /* CEE status */
 /* Making this to tri-state for the benefit of port list command */
 enum bfa_cee_status_e {
-    CEE_PHY_DOWN = 0,
-    CEE_PHY_UP = 1,
-    CEE_UP = 2,
+	CEE_UP = 0,
+	CEE_PHY_UP = 1,
+	CEE_LOOPBACK = 2,
+	CEE_PHY_DOWN = 3,
 };
 
 /* CEE Query */
@@ -107,7 +104,8 @@ struct bfa_cee_attr_s {
 	struct bfa_cee_dcbx_cfg_s dcbx_remote;
 	mac_t src_mac;
 	u8 link_speed;
-	u8 filler[3];
+	u8 nw_priority;
+	u8 filler[2];
 };
 
 
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_driver.h b/drivers/scsi/bfa/include/defs/bfa_defs_driver.h
index 57049805762b..50382dd2ab41 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_driver.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_driver.h
@@ -21,6 +21,7 @@
 /**
  * Driver statistics
  */
+struct bfa_driver_stats_s {
 	u16    tm_io_abort;
     u16    tm_io_abort_comp;
     u16    tm_lun_reset;
@@ -34,7 +35,7 @@
     u64    output_req;
     u64    input_words;
     u64    output_words;
-} bfa_driver_stats_t;
+};
 
 
 #endif /* __BFA_DEFS_DRIVER_H__ */
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_ethport.h b/drivers/scsi/bfa/include/defs/bfa_defs_ethport.h
index 79f9b3e146f7..b4fa0923aa89 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_ethport.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_ethport.h
@@ -19,6 +19,7 @@
 #define __BFA_DEFS_ETHPORT_H__
 
 #include <defs/bfa_defs_status.h>
+#include <defs/bfa_defs_port.h>
 #include <protocol/types.h>
 #include <cna/pstats/phyport_defs.h>
 #include <cna/pstats/ethport_defs.h>
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_fcport.h b/drivers/scsi/bfa/include/defs/bfa_defs_fcport.h
new file mode 100644
index 000000000000..a07ef4a3cd78
--- /dev/null
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_fcport.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ *
+ *  bfa_defs_fcport.h
+ *
+ * Linux driver for Brocade Fibre Channel Host Bus Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+#ifndef __BFA_DEFS_FCPORT_H__
+#define __BFA_DEFS_FCPORT_H__
+
+#include <defs/bfa_defs_types.h>
+#include <protocol/types.h>
+
+#pragma pack(1)
+
+/**
+ * FCoE statistics
+ */
+struct bfa_fcoe_stats_s {
+	u64	secs_reset;	/*  Seconds since stats reset	     */
+	u64	cee_linkups;	/*  CEE link up		     */
+	u64	cee_linkdns;	/*  CEE link down		     */
+	u64	fip_linkups;	/*  FIP link up		     */
+	u64	fip_linkdns;	/*  FIP link down		     */
+	u64	fip_fails;	/*  FIP failures		     */
+	u64	mac_invalids;	/*  Invalid mac assignments	     */
+	u64	vlan_req;	/*  Vlan requests		     */
+	u64	vlan_notify;	/*  Vlan notifications		     */
+	u64	vlan_err;	/*  Vlan notification errors	     */
+	u64	vlan_timeouts;	/*  Vlan request timeouts	     */
+	u64	vlan_invalids;	/*  Vlan invalids		     */
+	u64	disc_req;	/*  Discovery requests		     */
+	u64	disc_rsp;	/*  Discovery responses	     */
+	u64	disc_err;	/*  Discovery error frames	     */
+	u64	disc_unsol;	/*  Discovery unsolicited	     */
+	u64	disc_timeouts;	/*  Discovery timeouts		     */
+	u64	disc_fcf_unavail; /*  Discovery FCF not avail	     */
+	u64	linksvc_unsupp;	/*  FIP link service req unsupp.    */
+	u64	linksvc_err;	/*  FIP link service req errors     */
+	u64	logo_req;	/*  FIP logo			     */
+	u64	clrvlink_req;	/*  Clear virtual link requests     */
+	u64	op_unsupp;	/*  FIP operation unsupp.	     */
+	u64	untagged;	/*  FIP untagged frames	     */
+	u64	txf_ucast;	/*  Tx FCoE unicast frames	     */
+	u64	txf_ucast_vlan;	/*  Tx FCoE unicast vlan frames     */
+	u64	txf_ucast_octets; /*  Tx FCoE unicast octets	     */
+	u64	txf_mcast;	/*  Tx FCoE mutlicast frames	     */
+	u64	txf_mcast_vlan;	/*  Tx FCoE mutlicast vlan frames   */
+	u64	txf_mcast_octets; /*  Tx FCoE multicast octets	     */
+	u64	txf_bcast;	/*  Tx FCoE broadcast frames	     */
+	u64	txf_bcast_vlan;	/*  Tx FCoE broadcast vlan frames   */
+	u64	txf_bcast_octets; /*  Tx FCoE broadcast octets	     */
+	u64	txf_timeout;	/*  Tx timeouts		     */
+	u64	txf_parity_errors; /*  Transmit parity err	     */
+	u64	txf_fid_parity_errors; /*  Transmit FID parity err  */
+	u64	tx_pause;	/*  Tx pause frames		     */
+	u64	tx_zero_pause;	/*  Tx zero pause frames	     */
+	u64	tx_first_pause;	/*  Tx first pause frames	     */
+	u64	rx_pause;	/*  Rx pause frames		     */
+	u64	rx_zero_pause;	/*  Rx zero pause frames	     */
+	u64	rx_first_pause;	/*  Rx first pause frames	     */
+	u64	rxf_ucast_octets; /*  Rx unicast octets	     */
+	u64	rxf_ucast;	/*  Rx unicast frames		     */
+	u64	rxf_ucast_vlan;	/*  Rx unicast vlan frames	     */
+	u64	rxf_mcast_octets; /*  Rx multicast octets	     */
+	u64	rxf_mcast;	/*  Rx multicast frames	     */
+	u64	rxf_mcast_vlan;	/*  Rx multicast vlan frames	     */
+	u64	rxf_bcast_octets; /*  Rx broadcast octests	     */
+	u64	rxf_bcast;	/*  Rx broadcast frames	     */
+	u64	rxf_bcast_vlan;	/*  Rx broadcast vlan frames	     */
+};
+
+/**
+ * QoS or FCoE stats (fcport stats excluding physical FC port stats)
+ */
+union bfa_fcport_stats_u {
+	struct bfa_qos_stats_s	fcqos;
+	struct bfa_fcoe_stats_s	fcoe;
+};
+
+#pragma pack()
+
+#endif  /* __BFA_DEFS_FCPORT_H__ */
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_im_common.h b/drivers/scsi/bfa/include/defs/bfa_defs_im_common.h
deleted file mode 100644
index 9ccf53bef65a..000000000000
--- a/drivers/scsi/bfa/include/defs/bfa_defs_im_common.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
- * All rights reserved
- * www.brocade.com
- *
- * Linux driver for Brocade Fibre Channel Host Bus Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- */
-
-#ifndef __BFA_DEFS_IM_COMMON_H__
-#define __BFA_DEFS_IM_COMMON_H__
-
-#define	BFA_ADAPTER_NAME_LEN	256
-#define BFA_ADAPTER_GUID_LEN    256
-#define RESERVED_VLAN_NAME      L"PORT VLAN"
-#define PASSTHRU_VLAN_NAME      L"PASSTHRU VLAN"
-
-	u64	tx_pkt_cnt;
-	u64	rx_pkt_cnt;
-	u32	duration;
-	u8		status;
-} bfa_im_stats_t, *pbfa_im_stats_t;
-
-#endif /* __BFA_DEFS_IM_COMMON_H__ */
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_im_team.h b/drivers/scsi/bfa/include/defs/bfa_defs_im_team.h
deleted file mode 100644
index a486a7eb81d6..000000000000
--- a/drivers/scsi/bfa/include/defs/bfa_defs_im_team.h
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
- * All rights reserved
- * www.brocade.com
- *
- * Linux driver for Brocade Fibre Channel Host Bus Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- */
-
-#ifndef __BFA_DEFS_IM_TEAM_H__
-#define __BFA_DEFS_IM_TEAM_H__
-
-#include <protocol/types.h>
-
-#define	BFA_TEAM_MAX_PORTS	8
-#define	BFA_TEAM_NAME_LEN	256
-#define BFA_MAX_NUM_TEAMS	16
-#define BFA_TEAM_INVALID_DELAY -1
-
-	BFA_LACP_RATE_SLOW = 1,
-	BFA_LACP_RATE_FAST
-} bfa_im_lacp_rate_t;
-
-	BFA_TEAM_MODE_FAIL_OVER = 1,
-	BFA_TEAM_MODE_FAIL_BACK,
-	BFA_TEAM_MODE_LACP,
-	BFA_TEAM_MODE_NONE
-} bfa_im_team_mode_t;
-
-	BFA_XMIT_POLICY_L2 = 1,
-	BFA_XMIT_POLICY_L3_L4
-} bfa_im_xmit_policy_t;
-
-	bfa_im_team_mode_t     team_mode;
-	bfa_im_lacp_rate_t     lacp_rate;
-	bfa_im_xmit_policy_t   xmit_policy;
-	int   	          delay;
-	wchar_t    	  primary[BFA_ADAPTER_NAME_LEN];
-	wchar_t        	  preferred_primary[BFA_ADAPTER_NAME_LEN];
-	mac_t	          mac;
-	u16       	  num_ports;
-	u16          num_vlans;
-	u16 vlan_list[BFA_MAX_VLANS_PER_PORT];
-	wchar_t	 team_guid_list[BFA_TEAM_MAX_PORTS][BFA_ADAPTER_GUID_LEN];
-	wchar_t	 ioc_name_list[BFA_TEAM_MAX_PORTS][BFA_ADAPTER_NAME_LEN];
-} bfa_im_team_attr_t;
-
-	wchar_t		             team_name[BFA_TEAM_NAME_LEN];
-	bfa_im_xmit_policy_t	 xmit_policy;
-	int                 	 delay;
-	wchar_t                	 primary[BFA_ADAPTER_NAME_LEN];
-	wchar_t               	 preferred_primary[BFA_ADAPTER_NAME_LEN];
-} bfa_im_team_edit_t, *pbfa_im_team_edit_t;
-
-	wchar_t					team_name[BFA_TEAM_NAME_LEN];
-	bfa_im_team_mode_t      team_mode;
-	mac_t	               	mac;
-} bfa_im_team_info_t;
-
-	bfa_im_team_info_t 		team_info[BFA_MAX_NUM_TEAMS];
-	u16 				num_teams;
-} bfa_im_team_list_t, *pbfa_im_team_list_t;
-
-#endif /* __BFA_DEFS_IM_TEAM_H__ */
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_ioc.h b/drivers/scsi/bfa/include/defs/bfa_defs_ioc.h
index b1d532da3a9d..8d8e6a966537 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_ioc.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_ioc.h
@@ -126,6 +126,7 @@ struct bfa_ioc_attr_s {
 	struct bfa_ioc_driver_attr_s 	driver_attr;	/*  driver attr    */
 	struct bfa_ioc_pci_attr_s	pci_attr;
 	u8				port_id;	/*  port number    */
+	u8				rsvd[7];	/*!< 64bit align    */
 };
 
 /**
@@ -143,8 +144,8 @@ enum bfa_ioc_aen_event {
  * BFA IOC level event data, now just a place holder
  */
 struct bfa_ioc_aen_data_s {
-	enum bfa_ioc_type_e ioc_type;
 	wwn_t	pwwn;
+	s16 ioc_type;
 	mac_t	mac;
 };
 
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_iocfc.h b/drivers/scsi/bfa/include/defs/bfa_defs_iocfc.h
index d76bcbd9820f..c290fb13d2d1 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_iocfc.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_iocfc.h
@@ -26,6 +26,8 @@
 
 #define BFA_IOCFC_INTR_DELAY	1125
 #define BFA_IOCFC_INTR_LATENCY	225
+#define BFA_IOCFCOE_INTR_DELAY  25
+#define BFA_IOCFCOE_INTR_LATENCY 5
 
 /**
  * Interrupt coalescing configuration.
@@ -50,7 +52,7 @@ struct bfa_iocfc_fwcfg_s {
 	u16        num_fcxp_reqs;	/*  unassisted FC exchanges	*/
 	u16        num_uf_bufs;	/*  unsolicited recv buffers	*/
 	u8		num_cqs;
-	u8		rsvd;
+	u8		rsvd[5];
 };
 
 struct bfa_iocfc_drvcfg_s {
@@ -224,18 +226,24 @@ struct bfa_fw_port_physm_stats_s {
 
 
 struct bfa_fw_fip_stats_s {
+    u32    vlan_req;           /*  vlan discovery requests             */
+    u32    vlan_notify;        /*  vlan notifications                  */
+    u32    vlan_err;           /*  vlan response error                 */
+    u32    vlan_timeouts;      /*  vlan disvoery timeouts              */
+    u32    vlan_invalids;      /*  invalid vlan in discovery advert.   */
     u32    disc_req;           /*  Discovery solicit requests          */
     u32    disc_rsp;           /*  Discovery solicit response          */
     u32    disc_err;           /*  Discovery advt. parse errors        */
     u32    disc_unsol;         /*  Discovery unsolicited               */
     u32    disc_timeouts;      /*  Discovery timeouts                  */
+    u32    disc_fcf_unavail;   /*  Discovery FCF Not Avail.            */
     u32    linksvc_unsupp;     /*  Unsupported link service req        */
     u32    linksvc_err;        /*  Parse error in link service req     */
     u32    logo_req;           /*  Number of FIP logos received        */
     u32    clrvlink_req;       /*  Clear virtual link req              */
     u32    op_unsupp;          /*  Unsupported FIP operation           */
     u32    untagged;           /*  Untagged frames (ignored)           */
-    u32    rsvd;
+    u32	   invalid_version;    /*!< Invalid FIP version           */
 };
 
 
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_lport.h b/drivers/scsi/bfa/include/defs/bfa_defs_lport.h
index 7359f82aacfc..0952a139c47c 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_lport.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_lport.h
@@ -59,8 +59,8 @@ enum bfa_lport_aen_event {
  */
 struct bfa_lport_aen_data_s {
 	u16        vf_id;	/*  vf_id of this logical port */
-	u16        rsvd;
-	enum bfa_port_role roles;	/*  Logical port mode,IM/TM/IP etc */
+	s16         roles;  /*  Logical port mode,IM/TM/IP etc */
+	u32        rsvd;
 	wwn_t           ppwwn;	/*  WWN of its physical port */
 	wwn_t           lpwwn;	/*  WWN of this logical port */
 };
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_mfg.h b/drivers/scsi/bfa/include/defs/bfa_defs_mfg.h
index 13fd4ab6aae2..c5bd9c36ad4d 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_mfg.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_mfg.h
@@ -22,7 +22,47 @@
 /**
  * Manufacturing block version
  */
-#define BFA_MFG_VERSION				1
+#define BFA_MFG_VERSION				2
+
+/**
+ * Manufacturing block encrypted version
+ */
+#define BFA_MFG_ENC_VER				2
+
+/**
+ * Manufacturing block version 1 length
+ */
+#define BFA_MFG_VER1_LEN			128
+
+/**
+ * Manufacturing block header length
+ */
+#define BFA_MFG_HDR_LEN				4
+
+/**
+ * Checksum size
+ */
+#define BFA_MFG_CHKSUM_SIZE			16
+
+/**
+ * Manufacturing block encrypted version
+ */
+#define BFA_MFG_ENC_VER				2
+
+/**
+ * Manufacturing block version 1 length
+ */
+#define BFA_MFG_VER1_LEN			128
+
+/**
+ * Manufacturing block header length
+ */
+#define BFA_MFG_HDR_LEN				4
+
+/**
+ * Checksum size
+ */
+#define BFA_MFG_CHKSUM_SIZE			16
 
 /**
  * Manufacturing block format
@@ -30,29 +70,74 @@
 #define BFA_MFG_SERIALNUM_SIZE			11
 #define BFA_MFG_PARTNUM_SIZE			14
 #define BFA_MFG_SUPPLIER_ID_SIZE		10
-#define BFA_MFG_SUPPLIER_PARTNUM_SIZE	20
-#define BFA_MFG_SUPPLIER_SERIALNUM_SIZE	20
-#define BFA_MFG_SUPPLIER_REVISION_SIZE	4
+#define BFA_MFG_SUPPLIER_PARTNUM_SIZE		20
+#define BFA_MFG_SUPPLIER_SERIALNUM_SIZE		20
+#define BFA_MFG_SUPPLIER_REVISION_SIZE		4
 #define STRSZ(_n)	(((_n) + 4) & ~3)
 
 /**
+ * Manufacturing card type
+ */
+enum {
+	BFA_MFG_TYPE_CB_MAX  = 825,      /*  Crossbow card type max	*/
+	BFA_MFG_TYPE_FC8P2   = 825,      /*  8G 2port FC card		*/
+	BFA_MFG_TYPE_FC8P1   = 815,      /*  8G 1port FC card		*/
+	BFA_MFG_TYPE_FC4P2   = 425,      /*  4G 2port FC card		*/
+	BFA_MFG_TYPE_FC4P1   = 415,      /*  4G 1port FC card		*/
+	BFA_MFG_TYPE_CNA10P2 = 1020,     /*  10G 2port CNA card	*/
+	BFA_MFG_TYPE_CNA10P1 = 1010,     /*  10G 1port CNA card	*/
+};
+
+#pragma pack(1)
+
+/**
+ * Card type to port number conversion
+ */
+#define bfa_mfg_type2port_num(card_type) (((card_type) / 10) % 10)
+
+
+/**
+ * All numerical fields are in big-endian format.
+ */
+struct bfa_mfg_block_s {
+};
+
+/**
  * VPD data length
  */
-#define BFA_MFG_VPD_LEN     256
+#define BFA_MFG_VPD_LEN		512
+
+#define BFA_MFG_VPD_PCI_HDR_OFF		137
+#define BFA_MFG_VPD_PCI_VER_MASK	0x07	/*  version mask 3 bits */
+#define BFA_MFG_VPD_PCI_VDR_MASK	0xf8	/*  vendor mask 5 bits */
+
+/**
+ * VPD vendor tag
+ */
+enum {
+	BFA_MFG_VPD_UNKNOWN	= 0,     /*  vendor unknown 		*/
+	BFA_MFG_VPD_IBM 	= 1,     /*  vendor IBM 		*/
+	BFA_MFG_VPD_HP  	= 2,     /*  vendor HP  		*/
+	BFA_MFG_VPD_DELL        = 3,	 /*  vendor DELL                */
+	BFA_MFG_VPD_PCI_IBM 	= 0x08,  /*  PCI VPD IBM     		*/
+	BFA_MFG_VPD_PCI_HP  	= 0x10,  /*  PCI VPD HP			*/
+	BFA_MFG_VPD_PCI_DELL    = 0x20,  /*  PCI VPD DELL           	*/
+	BFA_MFG_VPD_PCI_BRCD 	= 0xf8,  /*  PCI VPD Brocade 		*/
+};
 
 /**
  * All numerical fields are in big-endian format.
  */
 struct bfa_mfg_vpd_s {
-    u8     version;    /*  vpd data version */
-    u8     vpd_sig[3]; /*  characters 'V', 'P', 'D' */
-    u8     chksum;     /*  u8 checksum */
-    u8     vendor;     /*  vendor */
-    u8     len;        /*  vpd data length excluding header */
-    u8     rsv;
-    u8     data[BFA_MFG_VPD_LEN];  /*  vpd data */
+	u8		version;	/*  vpd data version */
+	u8		vpd_sig[3];	/*  characters 'V', 'P', 'D' */
+	u8		chksum;		/*  u8 checksum */
+	u8		vendor;		/*  vendor */
+	u8 	len;		/*  vpd data length excluding header */
+	u8 	rsv;
+	u8		data[BFA_MFG_VPD_LEN];	/*  vpd data */
 };
 
-#pragma pack(1)
+#pragma pack()
 
 #endif /* __BFA_DEFS_MFG_H__ */
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_port.h b/drivers/scsi/bfa/include/defs/bfa_defs_port.h
index de0696c81bc4..501bc9739d9d 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_port.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_port.h
@@ -185,6 +185,8 @@ struct bfa_port_attr_s {
 	wwn_t		fabric_name; /*  attached switch's nwwn */
 	u8		fabric_ip_addr[BFA_FCS_FABRIC_IPADDR_SZ]; /*  attached
 							* fabric's ip addr */
+	struct mac_s    fpma_mac;	/*  Lport's FPMA Mac address */
+	u16     authfail;		/*  auth failed state */
 };
 
 /**
@@ -232,14 +234,15 @@ enum bfa_port_aen_sfp_pom {
 };
 
 struct bfa_port_aen_data_s {
-	enum bfa_ioc_type_e ioc_type;
-	wwn_t           pwwn;	      /*  WWN of the physical port */
-	wwn_t           fwwn;	      /*  WWN of the fabric port */
-	mac_t           mac;	      /*  MAC addres of the ethernet port,
-				       * applicable to CNA port only */
-	int             phy_port_num; /*! For SFP related events */
-	enum bfa_port_aen_sfp_pom level; /*  Only transitions will
-					  * be informed */
+	wwn_t           pwwn;         /*  WWN of the physical port */
+	wwn_t           fwwn;         /*  WWN of the fabric port */
+	s32         phy_port_num; /*! For SFP related events */
+	s16         ioc_type;
+	s16         level;        /*  Only transitions will
+					* be informed */
+	struct mac_s    mac;          /*  MAC address of the ethernet port,
+					* applicable to CNA port only */
+	s16         rsvd;
 };
 
 #endif /* __BFA_DEFS_PORT_H__ */
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_pport.h b/drivers/scsi/bfa/include/defs/bfa_defs_pport.h
index bf320412ee24..26e5cc78095d 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_pport.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_pport.h
@@ -232,7 +232,7 @@ struct bfa_pport_attr_s {
 	u32        	pid;		/*  port ID */
 	enum bfa_pport_type 	port_type;	/*  current topology */
 	u32        	loopback;	/*  external loopback */
-	u32		rsvd1;
+	u32		authfail;	/* auth fail state */
 	u32		rsvd2;		/*  padding for 64 bit */
 };
 
@@ -240,73 +240,79 @@ struct bfa_pport_attr_s {
  * 		FC Port statistics.
  */
 struct bfa_pport_fc_stats_s {
-	u64        secs_reset;	/*  seconds since stats is reset */
-	u64        tx_frames;	/*  transmitted frames */
-	u64        tx_words;	/*  transmitted words */
-	u64        rx_frames;	/*  received frames */
-	u64        rx_words;	/*  received words */
-	u64        lip_count;	/*  LIPs seen */
-	u64        nos_count;	/*  NOS count */
-	u64        error_frames;	/*  errored frames (sent?) */
-	u64        dropped_frames;	/*  dropped frames */
-	u64        link_failures;	/*  link failure count */
-	u64        loss_of_syncs;	/*  loss of sync count */
-	u64        loss_of_signals;/*  loss of signal count */
-	u64        primseq_errs;	/*  primitive sequence protocol */
-	u64        bad_os_count;	/*  invalid ordered set */
-	u64        err_enc_out;	/*  Encoding error outside frame */
-	u64        invalid_crcs;	/*  frames received with invalid CRC*/
-	u64	undersized_frm; /*  undersized frames */
-	u64	oversized_frm;	/*  oversized frames */
-	u64	bad_eof_frm;	/*  frames with bad EOF */
-	struct bfa_qos_stats_s	qos_stats;	/*  QoS statistics */
+	u64    secs_reset; /* Seconds since stats is reset     */
+	u64    tx_frames;  /* Tx frames                */
+	u64    tx_words;   /* Tx words                 */
+	u64    tx_lip;     /* TX LIP               */
+	u64    tx_nos;     /* Tx NOS               */
+	u64    tx_ols;     /* Tx OLS               */
+	u64    tx_lr;      /* Tx LR                */
+	u64    tx_lrr;     /* Tx LRR               */
+	u64    rx_frames;  /* Rx frames                */
+	u64    rx_words;   /* Rx words                 */
+	u64    lip_count;  /* Rx LIP                   */
+	u64    nos_count;  /* Rx NOS               */
+	u64    ols_count;  /* Rx OLS               */
+	u64    lr_count;   /* Rx LR                */
+	u64    lrr_count;  /* Rx LRR               */
+	u64    invalid_crcs;   /* Rx CRC err frames            */
+	u64    invalid_crc_gd_eof; /* Rx CRC err good EOF frames   */
+	u64    undersized_frm; /* Rx undersized frames         */
+	u64    oversized_frm;  /* Rx oversized frames          */
+	u64    bad_eof_frm;    /* Rx frames with bad EOF       */
+	u64    error_frames;   /* Errored frames           */
+	u64    dropped_frames; /* Dropped frames           */
+	u64    link_failures;  /* Link Failure (LF) count          */
+	u64    loss_of_syncs;  /* Loss of sync count           */
+	u64    loss_of_signals;/* Loss of signal count         */
+	u64    primseq_errs;   /* Primitive sequence protocol err. */
+	u64    bad_os_count;   /* Invalid ordered sets         */
+	u64    err_enc_out;    /* Encoding err nonframe_8b10b      */
+	u64    err_enc;    /* Encoding err frame_8b10b         */
 };
 
 /**
  * 		Eth Port statistics.
  */
 struct bfa_pport_eth_stats_s {
-	u64	secs_reset;	/*  seconds since stats is reset */
-	u64	frame_64;      /*  both rx and tx counter */
-	u64	frame_65_127;      /* both rx and tx counter */
-	u64	frame_128_255;     /* both rx and tx counter */
-	u64	frame_256_511;     /* both rx and tx counter */
-	u64	frame_512_1023;    /* both rx and tx counter */
-	u64	frame_1024_1518;   /* both rx and tx counter */
-	u64	frame_1519_1522;   /* both rx and tx counter */
-
-	u64	tx_bytes;
-	u64	tx_packets;
-	u64	tx_mcast_packets;
-	u64	tx_bcast_packets;
-	u64	tx_control_frame;
-	u64	tx_drop;
-	u64	tx_jabber;
-	u64	tx_fcs_error;
-	u64	tx_fragments;
-
-	u64	rx_bytes;
-	u64	rx_packets;
-	u64	rx_mcast_packets;
-	u64	rx_bcast_packets;
-	u64	rx_control_frames;
-	u64	rx_unknown_opcode;
-	u64	rx_drop;
-	u64	rx_jabber;
-	u64	rx_fcs_error;
-	u64	rx_alignment_error;
-	u64	rx_frame_length_error;
-	u64	rx_code_error;
-	u64	rx_fragments;
-
-	u64	rx_pause; /* BPC */
-	u64	rx_zero_pause; /*  BPC Pause cancellation */
-	u64	tx_pause;      /* BPC */
-	u64	tx_zero_pause; /*  BPC Pause cancellation */
-	u64	rx_fcoe_pause; /* BPC */
-	u64	rx_fcoe_zero_pause; /*  BPC Pause cancellation */
-	u64	tx_fcoe_pause;      /* BPC */
-	u64	tx_fcoe_zero_pause; /*  BPC Pause cancellation */
+	u64    secs_reset;   /* Seconds since stats is reset   */
+	u64    frame_64;     /* Frames 64 bytes            */
+	u64    frame_65_127;     /* Frames 65-127 bytes        */
+	u64    frame_128_255;    /* Frames 128-255 bytes       */
+	u64    frame_256_511;    /* Frames 256-511 bytes       */
+	u64    frame_512_1023;   /* Frames 512-1023 bytes          */
+	u64    frame_1024_1518;  /* Frames 1024-1518 bytes         */
+	u64    frame_1519_1522;  /* Frames 1519-1522 bytes         */
+	u64    tx_bytes;     /* Tx bytes               */
+	u64    tx_packets;   /* Tx packets             */
+	u64    tx_mcast_packets; /* Tx multicast packets       */
+	u64    tx_bcast_packets; /* Tx broadcast packets       */
+	u64    tx_control_frame; /* Tx control frame           */
+	u64    tx_drop;      /* Tx drops               */
+	u64    tx_jabber;    /* Tx jabber              */
+	u64    tx_fcs_error;     /* Tx FCS error           */
+	u64    tx_fragments;     /* Tx fragments           */
+	u64    rx_bytes;     /* Rx bytes               */
+	u64    rx_packets;   /* Rx packets             */
+	u64    rx_mcast_packets; /* Rx multicast packets       */
+	u64    rx_bcast_packets; /* Rx broadcast packets       */
+	u64    rx_control_frames; /* Rx control frames         */
+	u64    rx_unknown_opcode; /* Rx unknown opcode         */
+	u64    rx_drop;      /* Rx drops               */
+	u64    rx_jabber;    /* Rx jabber              */
+	u64    rx_fcs_error;     /* Rx FCS errors              */
+	u64    rx_alignment_error; /* Rx alignment errors          */
+	u64    rx_frame_length_error; /* Rx frame len errors       */
+	u64    rx_code_error;    /* Rx code errors             */
+	u64    rx_fragments;     /* Rx fragments           */
+	u64    rx_pause;     /* Rx pause               */
+	u64    rx_zero_pause;    /* Rx zero pause              */
+	u64    tx_pause;     /* Tx pause               */
+	u64    tx_zero_pause;    /* Tx zero pause              */
+	u64    rx_fcoe_pause;    /* Rx fcoe pause              */
+	u64    rx_fcoe_zero_pause; /* Rx FCoE zero pause       */
+	u64    tx_fcoe_pause;    /* Tx FCoE pause              */
+	u64    tx_fcoe_zero_pause; /* Tx FCoE zero pause       */
 };
 
 /**
@@ -333,8 +339,7 @@ struct bfa_pport_fcpmap_s {
 };
 
 /**
- *              Port RNID info.
- */
+ *              Port RNI	 */
 struct bfa_pport_rnid_s {
 	wwn_t             wwn;
 	u32          unittype;
@@ -347,6 +352,23 @@ struct bfa_pport_rnid_s {
 	u16          topologydiscoveryflags;
 };
 
+struct bfa_fcport_fcf_s {
+	wwn_t           name;           /* FCF name                 */
+	wwn_t           fabric_name;    /* Fabric Name              */
+	u8		fipenabled;     /* FIP enabled or not       */
+	u8		fipfailed;      /* FIP failed or not        */
+	u8         	resv[2];
+	u8         	pri;            /* FCF priority             */
+	u8         	version;        /* FIP version used         */
+	u8         	available;      /* Available  for  login    */
+	u8         	fka_disabled;   /* FKA is disabled          */
+	u8         	maxsz_verified; /* FCoE max size verified   */
+	u8         	fc_map[3];      /* FC map                   */
+	u16		vlan;           /* FCoE vlan tag/priority   */
+	u32        	fka_adv_per;    /* FIP  ka advert. period   */
+	struct mac_s	mac;            /* FCF mac                  */
+};
+
 /**
  * 		Link state information
  */
@@ -378,6 +400,7 @@ struct bfa_pport_link_s {
 			struct fc_alpabm_s     alpabm;	   /*  alpa bitmap */
 		} loop_info;
 	} tl;
+	struct bfa_fcport_fcf_s fcf;    /*!< FCF information (for FCoE) */
 };
 
 #endif /* __BFA_DEFS_PPORT_H__ */
diff --git a/drivers/scsi/bfa/include/defs/bfa_defs_status.h b/drivers/scsi/bfa/include/defs/bfa_defs_status.h
index cdceaeb9f4b8..4374494bd566 100644
--- a/drivers/scsi/bfa/include/defs/bfa_defs_status.h
+++ b/drivers/scsi/bfa/include/defs/bfa_defs_status.h
@@ -180,8 +180,8 @@ enum bfa_status {
 	BFA_STATUS_IM_ADAPT_ALREADY_IN_TEAM = 114, /*  Given adapter is part
 						    * of another team */
 	BFA_STATUS_IM_ADAPT_HAS_VLANS = 115, /*  Adapter has VLANs configured.
-					      * Delete all VLANs before
-					      * creating team */
+					      * Delete all VLANs to become
+					      * part of the team */
 	BFA_STATUS_IM_PVID_MISMATCH = 116, /*  Mismatching PVIDs configured
 					    * for adapters */
 	BFA_STATUS_IM_LINK_SPEED_MISMATCH = 117, /*  Mismatching link speeds
@@ -213,7 +213,7 @@ enum bfa_status {
 					     * loaded */
 	BFA_STATUS_CARD_TYPE_MISMATCH = 131, /*  Card type mismatch */
 	BFA_STATUS_BAD_ASICBLK = 132, /*  Bad ASIC block */
-	BFA_STATUS_NO_DRIVER = 133, /*  Storage/Ethernet driver not loaded */
+	BFA_STATUS_NO_DRIVER = 133, /*  Brocade adapter/driver not installed or loaded */
 	BFA_STATUS_INVALID_MAC = 134, /*  Invalid mac address */
 	BFA_STATUS_IM_NO_VLAN = 135, /*  No VLANs configured on the adapter */
 	BFA_STATUS_IM_ETH_LB_FAILED = 136, /*  Ethernet loopback test failed */
@@ -228,8 +228,7 @@ enum bfa_status {
 	BFA_STATUS_IM_GET_INETCFG_FAILED = 142, /*  Acquiring Network Subsytem
 						 * handle Failed. Please try
 						 * after some time */
-	BFA_STATUS_IM_NOT_BOUND = 143, /*  Brocade 10G Ethernet Service is not
-					* Enabled on this port */
+	BFA_STATUS_IM_NOT_BOUND = 143, /*  IM driver is not active */
 	BFA_STATUS_INSUFFICIENT_PERMS = 144, /*  User doesn't have sufficient
 					      * permissions to execute the BCU
 					      * application */
@@ -242,6 +241,14 @@ enum bfa_status {
 					  * failed */
 	BFA_STATUS_IM_UNBIND_FAILED = 149, /* ! < IM Driver unbind operation
 					    * failed */
+	BFA_STATUS_IM_PORT_IN_TEAM = 150, /*  Port is already part of the
+					   * team */
+	BFA_STATUS_IM_VLAN_NOT_FOUND = 151, /*  VLAN ID doesn't exists */
+	BFA_STATUS_IM_TEAM_NOT_FOUND = 152, /*  Teaming configuration doesn't
+					     * exists */
+	BFA_STATUS_IM_TEAM_CFG_NOT_ALLOWED = 153, /*  Given settings are not
+						* allowed for the current
+						* Teaming mode */
 	BFA_STATUS_MAX_VAL		/*  Unknown error code */
 };
 #define bfa_status_t enum bfa_status
diff --git a/drivers/scsi/bfa/include/fcb/bfa_fcb_fcpim.h b/drivers/scsi/bfa/include/fcb/bfa_fcb_fcpim.h
index a6c70aee0aa3..52585d3dd891 100644
--- a/drivers/scsi/bfa/include/fcb/bfa_fcb_fcpim.h
+++ b/drivers/scsi/bfa/include/fcb/bfa_fcb_fcpim.h
@@ -70,7 +70,6 @@ void            bfa_fcb_itnim_online(struct bfad_itnim_s *itnim_drv);
  */
 void            bfa_fcb_itnim_offline(struct bfad_itnim_s *itnim_drv);
 
-void            bfa_fcb_itnim_tov_begin(struct bfad_itnim_s *itnim_drv);
 void            bfa_fcb_itnim_tov(struct bfad_itnim_s *itnim_drv);
 
 #endif /* __BFAD_FCB_FCPIM_H__ */
diff --git a/drivers/scsi/bfa/include/fcs/bfa_fcs.h b/drivers/scsi/bfa/include/fcs/bfa_fcs.h
index 627669c65546..f2fd35fdee28 100644
--- a/drivers/scsi/bfa/include/fcs/bfa_fcs.h
+++ b/drivers/scsi/bfa/include/fcs/bfa_fcs.h
@@ -49,6 +49,7 @@ struct bfa_fcs_s {
 	struct bfa_trc_mod_s  *trcmod;	/*  tracing module */
 	struct bfa_aen_s      *aen;	/*  aen component */
 	bfa_boolean_t   vf_enabled;	/*  VF mode is enabled */
+	bfa_boolean_t   fdmi_enabled;   /*!< FDMI is enabled */
 	bfa_boolean_t min_cfg;		/* min cfg enabled/disabled */
 	u16        port_vfid;	/*  port default VF ID */
 	struct bfa_fcs_driver_info_s driver_info;
@@ -60,10 +61,12 @@ struct bfa_fcs_s {
 /*
  * bfa fcs API functions
  */
-void bfa_fcs_init(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
+void bfa_fcs_attach(struct bfa_fcs_s *fcs, struct bfa_s *bfa, struct bfad_s *bfad,
 			bfa_boolean_t min_cfg);
+void bfa_fcs_init(struct bfa_fcs_s *fcs);
 void bfa_fcs_driver_info_init(struct bfa_fcs_s *fcs,
 			struct bfa_fcs_driver_info_s *driver_info);
+void bfa_fcs_set_fdmi_param(struct bfa_fcs_s *fcs, bfa_boolean_t fdmi_enable);
 void bfa_fcs_exit(struct bfa_fcs_s *fcs);
 void bfa_fcs_trc_init(struct bfa_fcs_s *fcs, struct bfa_trc_mod_s *trcmod);
 void bfa_fcs_log_init(struct bfa_fcs_s *fcs, struct bfa_log_mod_s *logmod);
diff --git a/drivers/scsi/bfa/include/fcs/bfa_fcs_lport.h b/drivers/scsi/bfa/include/fcs/bfa_fcs_lport.h
index 967ceb0eb074..ceaefd3060f4 100644
--- a/drivers/scsi/bfa/include/fcs/bfa_fcs_lport.h
+++ b/drivers/scsi/bfa/include/fcs/bfa_fcs_lport.h
@@ -34,14 +34,6 @@ struct bfa_fcs_s;
 struct bfa_fcs_fabric_s;
 
 /*
-* @todo : need to move to a global config file.
- * Maximum Vports supported per physical port or vf.
- */
-#define BFA_FCS_MAX_VPORTS_SUPP_CB  255
-#define BFA_FCS_MAX_VPORTS_SUPP_CT  191
-
-/*
-* @todo : need to move to a global config file.
  * Maximum Rports supported per port (physical/logical).
  */
 #define BFA_FCS_MAX_RPORTS_SUPP  256	/* @todo : tentative value */
diff --git a/drivers/scsi/bfa/include/log/bfa_log_hal.h b/drivers/scsi/bfa/include/log/bfa_log_hal.h
index 0412aea2ec30..5f8f5e30b9e8 100644
--- a/drivers/scsi/bfa/include/log/bfa_log_hal.h
+++ b/drivers/scsi/bfa/include/log/bfa_log_hal.h
@@ -27,4 +27,10 @@
 	(((u32) BFA_LOG_HAL_ID << BFA_LOG_MODID_OFFSET) | 3)
 #define BFA_LOG_HAL_SM_ASSERT \
 	(((u32) BFA_LOG_HAL_ID << BFA_LOG_MODID_OFFSET) | 4)
+#define BFA_LOG_HAL_DRIVER_ERROR \
+	(((u32) BFA_LOG_HAL_ID << BFA_LOG_MODID_OFFSET) | 5)
+#define BFA_LOG_HAL_DRIVER_CONFIG_ERROR \
+	(((u32) BFA_LOG_HAL_ID << BFA_LOG_MODID_OFFSET) | 6)
+#define BFA_LOG_HAL_MBOX_ERROR \
+	(((u32) BFA_LOG_HAL_ID << BFA_LOG_MODID_OFFSET) | 7)
 #endif
diff --git a/drivers/scsi/bfa/include/log/bfa_log_linux.h b/drivers/scsi/bfa/include/log/bfa_log_linux.h
index 317c0547ee16..bd451db4c30a 100644
--- a/drivers/scsi/bfa/include/log/bfa_log_linux.h
+++ b/drivers/scsi/bfa/include/log/bfa_log_linux.h
@@ -41,4 +41,20 @@
 		(((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 10)
 #define BFA_LOG_LINUX_SCSI_ABORT_COMP \
 		(((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 11)
+#define BFA_LOG_LINUX_DRIVER_CONFIG_ERROR \
+		(((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 12)
+#define BFA_LOG_LINUX_BNA_STATE_MACHINE \
+		(((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 13)
+#define BFA_LOG_LINUX_IOC_ERROR \
+	(((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 14)
+#define BFA_LOG_LINUX_RESOURCE_ALLOC_ERROR \
+	(((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 15)
+#define BFA_LOG_LINUX_RING_BUFFER_ERROR \
+	(((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 16)
+#define BFA_LOG_LINUX_DRIVER_ERROR \
+	(((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 17)
+#define BFA_LOG_LINUX_DRIVER_DIAG \
+	(((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 18)
+#define BFA_LOG_LINUX_DRIVER_AEN \
+	(((u32) BFA_LOG_LINUX_ID << BFA_LOG_MODID_OFFSET) | 19)
 #endif
diff --git a/drivers/scsi/bfa/include/protocol/fc.h b/drivers/scsi/bfa/include/protocol/fc.h
index 14969eecf6a9..8d1038035a76 100644
--- a/drivers/scsi/bfa/include/protocol/fc.h
+++ b/drivers/scsi/bfa/include/protocol/fc.h
@@ -50,6 +50,11 @@ struct fchs_s {
 
 	u32        ro;		/* relative offset */
 };
+
+#define FC_SOF_LEN      4
+#define FC_EOF_LEN      4
+#define FC_CRC_LEN      4
+
 /*
  * Fibre Channel BB_E Header Structure
  */
diff --git a/drivers/scsi/bfa/include/protocol/pcifw.h b/drivers/scsi/bfa/include/protocol/pcifw.h
deleted file mode 100644
index 6830dc3ee58a..000000000000
--- a/drivers/scsi/bfa/include/protocol/pcifw.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
- * All rights reserved
- * www.brocade.com
- *
- * Linux driver for Brocade Fibre Channel Host Bus Adapter.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License (GPL) Version 2 as
- * published by the Free Software Foundation
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- */
-
-/**
- *  pcifw.h PCI FW related headers
- */
-
-#ifndef __PCIFW_H__
-#define __PCIFW_H__
-
-#pragma pack(1)
-
-struct pnp_hdr_s{
-  u32	signature;	/* "$PnP" */
-  u8	rev;		/* Struct revision */
-  u8 	len;		/* Header structure len in multiples
-				 * of 16 bytes */
-  u16  off;		/* Offset to next header 00 if none */
-  u8	rsvd;		/* Reserved byte */
-  u8	cksum;		/* 8-bit checksum for this header */
-  u32	pnp_dev_id;	/* PnP Device Id */
-  u16  mfstr;		/* Pointer to manufacturer string */
-  u16	prstr;		/* Pointer to product string */
-  u8	devtype[3];	/* Device Type Code */
-  u8	devind;		/* Device Indicator */
-  u16	bcventr;	/* Bootstrap entry vector */
-  u16	rsvd2;		/* Reserved */
-  u16  sriv;		/* Static resource information vector */
-};
-
-struct pci_3_0_ds_s{
- u32	sig;   		/* Signature "PCIR" */
- u16	vendid;		/* Vendor ID */
- u16	devid;		/* Device ID */
- u16	devlistoff;	/* Device List Offset */
- u16	len;		/* PCI Data Structure Length */
- u8	rev;		/* PCI Data Structure Revision */
- u8	clcode[3];	/* Class Code */
- u16	imglen;		/* Code image length in multiples of
-				 * 512 bytes */
- u16	coderev;	/* Revision level of code/data */
- u8	codetype;	/* Code type 0x00 - BIOS */
- u8	indr;		/* Last image indicator */
- u16	mrtimglen;	/* Max Run Time Image Length */
- u16	cuoff;		/* Config Utility Code Header Offset */
- u16	dmtfclp;	/* DMTF CLP entry point offset */
-};
-
-struct pci_optrom_hdr_s{
- u16	sig;		/* Signature 0x55AA */
- u8	len;		/* Option ROM length in units of 512 bytes */
- u8	inivec[3];	/* Initialization vector */
- u8	rsvd[16];	/* Reserved field */
- u16	verptr;		/* Pointer to version string - private */
- u16	pcids;		/* Pointer to PCI data structure */
- u16	pnphdr;		/* Pointer to PnP expansion header */
-};
-
-#pragma pack()
-
-#endif
diff --git a/drivers/scsi/bfa/loop.c b/drivers/scsi/bfa/loop.c
index f7c7f4f3c640..f6342efb6a90 100644
--- a/drivers/scsi/bfa/loop.c
+++ b/drivers/scsi/bfa/loop.c
@@ -162,7 +162,7 @@ bfa_fcs_port_loop_send_plogi(struct bfa_fcs_port_s *port, u8 alpa)
 	len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), alpa,
 			     bfa_fcs_port_get_fcid(port), 0,
 			     port->port_cfg.pwwn, port->port_cfg.nwwn,
-				 bfa_pport_get_maxfrsize(port->fcs->bfa));
+				 bfa_fcport_get_maxfrsize(port->fcs->bfa));
 
 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
 			  FC_CLASS_3, len, &fchs,
diff --git a/drivers/scsi/bfa/lport_api.c b/drivers/scsi/bfa/lport_api.c
index 1e06792cd4c2..d3907d184e2b 100644
--- a/drivers/scsi/bfa/lport_api.c
+++ b/drivers/scsi/bfa/lport_api.c
@@ -156,7 +156,7 @@ bfa_fcs_port_get_rport_max_speed(struct bfa_fcs_port_s *port)
 	/*
 	 * Get Physical port's current speed
 	 */
-	bfa_pport_get_attr(port->fcs->bfa, &pport_attr);
+	bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
 	pport_speed = pport_attr.speed;
 	bfa_trc(fcs, pport_speed);
 
@@ -235,7 +235,8 @@ bfa_fcs_port_get_info(struct bfa_fcs_port_s *port,
 		port_info->port_wwn = bfa_fcs_port_get_pwwn(port);
 		port_info->node_wwn = bfa_fcs_port_get_nwwn(port);
 
-		port_info->max_vports_supp = bfa_fcs_vport_get_max(port->fcs);
+		port_info->max_vports_supp =
+			bfa_lps_get_max_vport(port->fcs->bfa);
 		port_info->num_vports_inuse =
 			bfa_fcs_fabric_vport_count(port->fabric);
 		port_info->max_rports_supp = BFA_FCS_MAX_RPORTS_SUPP;
diff --git a/drivers/scsi/bfa/ms.c b/drivers/scsi/bfa/ms.c
index c96b3ca007ae..5e8c8dee6c97 100644
--- a/drivers/scsi/bfa/ms.c
+++ b/drivers/scsi/bfa/ms.c
@@ -118,7 +118,7 @@ bfa_fcs_port_ms_sm_offline(struct bfa_fcs_port_ms_s *ms,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ms->port->fcs, event);
 	}
 }
 
@@ -141,7 +141,7 @@ bfa_fcs_port_ms_sm_plogi_sending(struct bfa_fcs_port_ms_s *ms,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ms->port->fcs, event);
 	}
 }
 
@@ -190,7 +190,7 @@ bfa_fcs_port_ms_sm_plogi(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ms->port->fcs, event);
 	}
 }
 
@@ -216,7 +216,7 @@ bfa_fcs_port_ms_sm_plogi_retry(struct bfa_fcs_port_ms_s *ms,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ms->port->fcs, event);
 	}
 }
 
@@ -230,10 +230,6 @@ bfa_fcs_port_ms_sm_online(struct bfa_fcs_port_ms_s *ms,
 	switch (event) {
 	case MSSM_EVENT_PORT_OFFLINE:
 		bfa_sm_set_state(ms, bfa_fcs_port_ms_sm_offline);
-		/*
-		 * now invoke MS related sub-modules
-		 */
-		bfa_fcs_port_fdmi_offline(ms);
 		break;
 
 	case MSSM_EVENT_PORT_FABRIC_RSCN:
@@ -243,7 +239,7 @@ bfa_fcs_port_ms_sm_online(struct bfa_fcs_port_ms_s *ms,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ms->port->fcs, event);
 	}
 }
 
@@ -266,7 +262,7 @@ bfa_fcs_port_ms_sm_gmal_sending(struct bfa_fcs_port_ms_s *ms,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ms->port->fcs, event);
 	}
 }
 
@@ -304,7 +300,7 @@ bfa_fcs_port_ms_sm_gmal(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ms->port->fcs, event);
 	}
 }
 
@@ -330,7 +326,7 @@ bfa_fcs_port_ms_sm_gmal_retry(struct bfa_fcs_port_ms_s *ms,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ms->port->fcs, event);
 	}
 }
 
@@ -466,7 +462,7 @@ bfa_fcs_port_ms_sm_gfn_sending(struct bfa_fcs_port_ms_s *ms,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ms->port->fcs, event);
 	}
 }
 
@@ -502,7 +498,7 @@ bfa_fcs_port_ms_sm_gfn(struct bfa_fcs_port_ms_s *ms, enum port_ms_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ms->port->fcs, event);
 	}
 }
 
@@ -528,7 +524,7 @@ bfa_fcs_port_ms_sm_gfn_retry(struct bfa_fcs_port_ms_s *ms,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ms->port->fcs, event);
 	}
 }
 
@@ -637,7 +633,7 @@ bfa_fcs_port_ms_send_plogi(void *ms_cbarg, struct bfa_fcxp_s *fcxp_alloced)
 			     bfa_os_hton3b(FC_MGMT_SERVER),
 			     bfa_fcs_port_get_fcid(port), 0,
 			     port->port_cfg.pwwn, port->port_cfg.nwwn,
-			     bfa_pport_get_maxfrsize(port->fcs->bfa));
+			     bfa_fcport_get_maxfrsize(port->fcs->bfa));
 
 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
 		      FC_CLASS_3, len, &fchs, bfa_fcs_port_ms_plogi_response,
@@ -735,6 +731,7 @@ bfa_fcs_port_ms_offline(struct bfa_fcs_port_s *port)
 
 	ms->port = port;
 	bfa_sm_send_event(ms, MSSM_EVENT_PORT_OFFLINE);
+	bfa_fcs_port_fdmi_offline(ms);
 }
 
 void
diff --git a/drivers/scsi/bfa/ns.c b/drivers/scsi/bfa/ns.c
index 2f8b880060bb..d20dd7e15742 100644
--- a/drivers/scsi/bfa/ns.c
+++ b/drivers/scsi/bfa/ns.c
@@ -164,7 +164,7 @@ bfa_fcs_port_ns_sm_offline(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -187,7 +187,7 @@ bfa_fcs_port_ns_sm_plogi_sending(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -221,7 +221,7 @@ bfa_fcs_port_ns_sm_plogi(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -247,7 +247,7 @@ bfa_fcs_port_ns_sm_plogi_retry(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -270,7 +270,7 @@ bfa_fcs_port_ns_sm_sending_rspn_id(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -304,7 +304,7 @@ bfa_fcs_port_ns_sm_rspn_id(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -330,7 +330,7 @@ bfa_fcs_port_ns_sm_rspn_id_retry(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -353,7 +353,7 @@ bfa_fcs_port_ns_sm_sending_rft_id(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -390,7 +390,7 @@ bfa_fcs_port_ns_sm_rft_id(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -413,7 +413,7 @@ bfa_fcs_port_ns_sm_rft_id_retry(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -436,7 +436,7 @@ bfa_fcs_port_ns_sm_sending_rff_id(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -494,7 +494,7 @@ bfa_fcs_port_ns_sm_rff_id(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -517,7 +517,7 @@ bfa_fcs_port_ns_sm_rff_id_retry(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 static void
@@ -539,7 +539,7 @@ bfa_fcs_port_ns_sm_sending_gid_ft(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -575,7 +575,7 @@ bfa_fcs_port_ns_sm_gid_ft(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -598,7 +598,7 @@ bfa_fcs_port_ns_sm_gid_ft_retry(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -626,7 +626,7 @@ bfa_fcs_port_ns_sm_online(struct bfa_fcs_port_ns_s *ns,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(ns->port->fcs, event);
 	}
 }
 
@@ -660,7 +660,7 @@ bfa_fcs_port_ns_send_plogi(void *ns_cbarg, struct bfa_fcxp_s *fcxp_alloced)
 			     bfa_os_hton3b(FC_NAME_SERVER),
 			     bfa_fcs_port_get_fcid(port), 0,
 			     port->port_cfg.pwwn, port->port_cfg.nwwn,
-			     bfa_pport_get_maxfrsize(port->fcs->bfa));
+			     bfa_fcport_get_maxfrsize(port->fcs->bfa));
 
 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
 		      FC_CLASS_3, len, &fchs, bfa_fcs_port_ns_plogi_response,
diff --git a/drivers/scsi/bfa/rport.c b/drivers/scsi/bfa/rport.c
index 9cf58bb138dc..8e73dd9a625a 100644
--- a/drivers/scsi/bfa/rport.c
+++ b/drivers/scsi/bfa/rport.c
@@ -224,7 +224,7 @@ bfa_fcs_rport_sm_uninit(struct bfa_fcs_rport_s *rport, enum rport_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -276,7 +276,7 @@ bfa_fcs_rport_sm_plogi_sending(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -332,7 +332,7 @@ bfa_fcs_rport_sm_plogiacc_sending(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -406,7 +406,7 @@ bfa_fcs_rport_sm_plogi_retry(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -481,7 +481,7 @@ bfa_fcs_rport_sm_plogi(struct bfa_fcs_rport_s *rport, enum rport_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -534,7 +534,7 @@ bfa_fcs_rport_sm_hal_online(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -589,7 +589,7 @@ bfa_fcs_rport_sm_online(struct bfa_fcs_rport_s *rport, enum rport_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -646,7 +646,7 @@ bfa_fcs_rport_sm_nsquery_sending(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -704,7 +704,7 @@ bfa_fcs_rport_sm_nsquery(struct bfa_fcs_rport_s *rport, enum rport_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -754,7 +754,7 @@ bfa_fcs_rport_sm_adisc_sending(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -816,7 +816,7 @@ bfa_fcs_rport_sm_adisc(struct bfa_fcs_rport_s *rport, enum rport_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -846,7 +846,7 @@ bfa_fcs_rport_sm_fc4_logorcv(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -869,7 +869,7 @@ bfa_fcs_rport_sm_fc4_logosend(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -905,7 +905,7 @@ bfa_fcs_rport_sm_fc4_offline(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -925,10 +925,17 @@ bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
 	case RPSM_EVENT_HCB_OFFLINE:
 	case RPSM_EVENT_ADDRESS_CHANGE:
 		if (bfa_fcs_port_is_online(rport->port)) {
-			bfa_sm_set_state(rport,
-					 bfa_fcs_rport_sm_nsdisc_sending);
-			rport->ns_retries = 0;
-			bfa_fcs_rport_send_gidpn(rport, NULL);
+			if (bfa_fcs_fabric_is_switched(rport->port->fabric)) {
+				bfa_sm_set_state(rport,
+					bfa_fcs_rport_sm_nsdisc_sending);
+				rport->ns_retries = 0;
+				bfa_fcs_rport_send_gidpn(rport, NULL);
+			} else {
+				bfa_sm_set_state(rport,
+					bfa_fcs_rport_sm_plogi_sending);
+				rport->plogi_retries = 0;
+				bfa_fcs_rport_send_plogi(rport, NULL);
+			}
 		} else {
 			rport->pid = 0;
 			bfa_sm_set_state(rport, bfa_fcs_rport_sm_offline);
@@ -951,7 +958,7 @@ bfa_fcs_rport_sm_hcb_offline(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -1011,7 +1018,7 @@ bfa_fcs_rport_sm_hcb_logorcv(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -1038,7 +1045,7 @@ bfa_fcs_rport_sm_hcb_logosend(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -1073,7 +1080,7 @@ bfa_fcs_rport_sm_logo_sending(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -1132,7 +1139,7 @@ bfa_fcs_rport_sm_offline(struct bfa_fcs_rport_s *rport, enum rport_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -1188,7 +1195,7 @@ bfa_fcs_rport_sm_nsdisc_sending(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -1249,7 +1256,7 @@ bfa_fcs_rport_sm_nsdisc_retry(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -1334,7 +1341,7 @@ bfa_fcs_rport_sm_nsdisc_sent(struct bfa_fcs_rport_s *rport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -1366,7 +1373,7 @@ bfa_fcs_rport_send_plogi(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
 	len = fc_plogi_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
 			     bfa_fcs_port_get_fcid(port), 0,
 			     port->port_cfg.pwwn, port->port_cfg.nwwn,
-			     bfa_pport_get_maxfrsize(port->fcs->bfa));
+			     bfa_fcport_get_maxfrsize(port->fcs->bfa));
 
 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
 		      FC_CLASS_3, len, &fchs, bfa_fcs_rport_plogi_response,
@@ -1478,7 +1485,7 @@ bfa_fcs_rport_send_plogiacc(void *rport_cbarg, struct bfa_fcxp_s *fcxp_alloced)
 	len = fc_plogi_acc_build(&fchs, bfa_fcxp_get_reqbuf(fcxp), rport->pid,
 				 bfa_fcs_port_get_fcid(port), rport->reply_oxid,
 				 port->port_cfg.pwwn, port->port_cfg.nwwn,
-				 bfa_pport_get_maxfrsize(port->fcs->bfa));
+				 bfa_fcport_get_maxfrsize(port->fcs->bfa));
 
 	bfa_fcxp_send(fcxp, NULL, port->fabric->vf_id, port->lp_tag, BFA_FALSE,
 		      FC_CLASS_3, len, &fchs, NULL, NULL, FC_MAX_PDUSZ, 0);
@@ -1813,7 +1820,7 @@ bfa_fcs_rport_process_rpsc(struct bfa_fcs_rport_s *rport,
 	/*
 	 * get curent speed from pport attributes from BFA
 	 */
-	bfa_pport_get_attr(port->fcs->bfa, &pport_attr);
+	bfa_fcport_get_attr(port->fcs->bfa, &pport_attr);
 
 	speeds.port_op_speed = fc_bfa_speed_to_rpsc_operspeed(pport_attr.speed);
 
@@ -2032,13 +2039,10 @@ bfa_fcs_rport_aen_post(struct bfa_fcs_rport_s *rport,
 
 	switch (event) {
 	case BFA_RPORT_AEN_ONLINE:
-		bfa_log(logmod, BFA_AEN_RPORT_ONLINE, rpwwn_ptr, lpwwn_ptr);
-		break;
 	case BFA_RPORT_AEN_OFFLINE:
-		bfa_log(logmod, BFA_AEN_RPORT_OFFLINE, rpwwn_ptr, lpwwn_ptr);
-		break;
 	case BFA_RPORT_AEN_DISCONNECT:
-		bfa_log(logmod, BFA_AEN_RPORT_DISCONNECT, rpwwn_ptr, lpwwn_ptr);
+		bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_RPORT, event),
+			rpwwn_ptr, lpwwn_ptr);
 		break;
 	case BFA_RPORT_AEN_QOS_PRIO:
 		aen_data.rport.priv.qos = data->priv.qos;
@@ -2164,7 +2168,7 @@ bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi)
 		bfa_trc(port->fcs, port->fabric->bb_credit);
 
 		port->fabric->bb_credit = bfa_os_ntohs(plogi->csp.bbcred);
-		bfa_pport_set_tx_bbcredit(port->fcs->bfa,
+		bfa_fcport_set_tx_bbcredit(port->fcs->bfa,
 					  port->fabric->bb_credit);
 	}
 
@@ -2575,23 +2579,6 @@ bfa_fcs_rport_send_ls_rjt(struct bfa_fcs_rport_s *rport, struct fchs_s *rx_fchs,
 }
 
 /**
- *   Module initialization
- */
-void
-bfa_fcs_rport_modinit(struct bfa_fcs_s *fcs)
-{
-}
-
-/**
- *   Module cleanup
- */
-void
-bfa_fcs_rport_modexit(struct bfa_fcs_s *fcs)
-{
-	bfa_fcs_modexit_comp(fcs);
-}
-
-/**
  * Return state of rport.
  */
 int
diff --git a/drivers/scsi/bfa/rport_api.c b/drivers/scsi/bfa/rport_api.c
index 3dae1774181e..a441f41d2a64 100644
--- a/drivers/scsi/bfa/rport_api.c
+++ b/drivers/scsi/bfa/rport_api.c
@@ -102,7 +102,7 @@ bfa_fcs_rport_get_attr(struct bfa_fcs_rport_s *rport,
 	rport_attr->qos_attr = qos_attr;
 
 	rport_attr->trl_enforced = BFA_FALSE;
-	if (bfa_pport_is_ratelim(port->fcs->bfa)) {
+	if (bfa_fcport_is_ratelim(port->fcs->bfa)) {
 		if ((rport->rpf.rpsc_speed == BFA_PPORT_SPEED_UNKNOWN) ||
 			(rport->rpf.rpsc_speed <
 			bfa_fcs_port_get_rport_max_speed(port)))
diff --git a/drivers/scsi/bfa/rport_ftrs.c b/drivers/scsi/bfa/rport_ftrs.c
index e1932c885ac2..ae7bba67ae2a 100644
--- a/drivers/scsi/bfa/rport_ftrs.c
+++ b/drivers/scsi/bfa/rport_ftrs.c
@@ -91,7 +91,7 @@ bfa_fcs_rpf_sm_uninit(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -114,7 +114,7 @@ bfa_fcs_rpf_sm_rpsc_sending(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -160,7 +160,7 @@ bfa_fcs_rpf_sm_rpsc(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -186,7 +186,7 @@ bfa_fcs_rpf_sm_rpsc_retry(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -206,7 +206,7 @@ bfa_fcs_rpf_sm_online(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 
@@ -229,7 +229,7 @@ bfa_fcs_rpf_sm_offline(struct bfa_fcs_rpf_s *rpf, enum rpf_event event)
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(rport->fcs, event);
 	}
 }
 /**
diff --git a/drivers/scsi/bfa/scn.c b/drivers/scsi/bfa/scn.c
index bd4771ff62c8..8fe09ba88a91 100644
--- a/drivers/scsi/bfa/scn.c
+++ b/drivers/scsi/bfa/scn.c
@@ -90,7 +90,7 @@ bfa_fcs_port_scn_sm_offline(struct bfa_fcs_port_scn_s *scn,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(scn->port->fcs, event);
 	}
 }
 
@@ -109,7 +109,7 @@ bfa_fcs_port_scn_sm_sending_scr(struct bfa_fcs_port_scn_s *scn,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(scn->port->fcs, event);
 	}
 }
 
@@ -137,7 +137,7 @@ bfa_fcs_port_scn_sm_scr(struct bfa_fcs_port_scn_s *scn,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(scn->port->fcs, event);
 	}
 }
 
@@ -157,7 +157,7 @@ bfa_fcs_port_scn_sm_scr_retry(struct bfa_fcs_port_scn_s *scn,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(scn->port->fcs, event);
 	}
 }
 
@@ -171,7 +171,7 @@ bfa_fcs_port_scn_sm_online(struct bfa_fcs_port_scn_s *scn,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(scn->port->fcs, event);
 	}
 }
 
diff --git a/drivers/scsi/bfa/vport.c b/drivers/scsi/bfa/vport.c
index e90f1e38c32d..27cd619a227a 100644
--- a/drivers/scsi/bfa/vport.c
+++ b/drivers/scsi/bfa/vport.c
@@ -122,7 +122,7 @@ bfa_fcs_vport_sm_uninit(struct bfa_fcs_vport_s *vport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(__vport_fcs(vport), event);
 	}
 }
 
@@ -165,7 +165,7 @@ bfa_fcs_vport_sm_created(struct bfa_fcs_vport_s *vport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(__vport_fcs(vport), event);
 	}
 }
 
@@ -202,7 +202,7 @@ bfa_fcs_vport_sm_offline(struct bfa_fcs_vport_s *vport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(__vport_fcs(vport), event);
 	}
 }
 
@@ -249,7 +249,7 @@ bfa_fcs_vport_sm_fdisc(struct bfa_fcs_vport_s *vport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(__vport_fcs(vport), event);
 	}
 }
 
@@ -283,7 +283,7 @@ bfa_fcs_vport_sm_fdisc_retry(struct bfa_fcs_vport_s *vport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(__vport_fcs(vport), event);
 	}
 }
 
@@ -310,7 +310,7 @@ bfa_fcs_vport_sm_online(struct bfa_fcs_vport_s *vport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(__vport_fcs(vport), event);
 	}
 }
 
@@ -339,7 +339,7 @@ bfa_fcs_vport_sm_deleting(struct bfa_fcs_vport_s *vport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(__vport_fcs(vport), event);
 	}
 }
 
@@ -387,7 +387,7 @@ bfa_fcs_vport_sm_cleanup(struct bfa_fcs_vport_s *vport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(__vport_fcs(vport), event);
 	}
 }
 
@@ -419,7 +419,7 @@ bfa_fcs_vport_sm_logo(struct bfa_fcs_vport_s *vport,
 		break;
 
 	default:
-		bfa_assert(0);
+		bfa_sm_fault(__vport_fcs(vport), event);
 	}
 }
 
@@ -447,22 +447,8 @@ bfa_fcs_vport_aen_post(bfa_fcs_lport_t *port, enum bfa_lport_aen_event event)
 
 	bfa_assert(role <= BFA_PORT_ROLE_FCP_MAX);
 
-	switch (event) {
-	case BFA_LPORT_AEN_NPIV_DUP_WWN:
-		bfa_log(logmod, BFA_AEN_LPORT_NPIV_DUP_WWN, lpwwn_ptr,
-			role_str[role / 2]);
-		break;
-	case BFA_LPORT_AEN_NPIV_FABRIC_MAX:
-		bfa_log(logmod, BFA_AEN_LPORT_NPIV_FABRIC_MAX, lpwwn_ptr,
-			role_str[role / 2]);
-		break;
-	case BFA_LPORT_AEN_NPIV_UNKNOWN:
-		bfa_log(logmod, BFA_AEN_LPORT_NPIV_UNKNOWN, lpwwn_ptr,
-			role_str[role / 2]);
-		break;
-	default:
-		break;
-	}
+	bfa_log(logmod, BFA_LOG_CREATE_ID(BFA_AEN_CAT_LPORT, event), lpwwn_ptr,
+			role_str[role/2]);
 
 	aen_data.lport.vf_id = port->fabric->vf_id;
 	aen_data.lport.roles = role;
@@ -478,7 +464,7 @@ static void
 bfa_fcs_vport_do_fdisc(struct bfa_fcs_vport_s *vport)
 {
 	bfa_lps_fdisc(vport->lps, vport,
-		      bfa_pport_get_maxfrsize(__vport_bfa(vport)),
+		      bfa_fcport_get_maxfrsize(__vport_bfa(vport)),
 		      __vport_pwwn(vport), __vport_nwwn(vport));
 	vport->vport_stats.fdisc_sent++;
 }
@@ -617,38 +603,6 @@ bfa_fcs_vport_delete_comp(struct bfa_fcs_vport_s *vport)
 }
 
 /**
- *   Module initialization
- */
-void
-bfa_fcs_vport_modinit(struct bfa_fcs_s *fcs)
-{
-}
-
-/**
- *   Module cleanup
- */
-void
-bfa_fcs_vport_modexit(struct bfa_fcs_s *fcs)
-{
-	bfa_fcs_modexit_comp(fcs);
-}
-
-u32
-bfa_fcs_vport_get_max(struct bfa_fcs_s *fcs)
-{
-	struct bfa_ioc_attr_s ioc_attr;
-
-	bfa_get_attr(fcs->bfa, &ioc_attr);
-
-	if (ioc_attr.pci_attr.device_id == BFA_PCI_DEVICE_ID_CT)
-		return BFA_FCS_MAX_VPORTS_SUPP_CT;
-	else
-		return BFA_FCS_MAX_VPORTS_SUPP_CB;
-}
-
-
-
-/**
  *  fcs_vport_api Virtual port API
  */
 
@@ -684,7 +638,7 @@ bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
 		return BFA_STATUS_VPORT_EXISTS;
 
 	if (bfa_fcs_fabric_vport_count(&fcs->fabric) ==
-	    bfa_fcs_vport_get_max(fcs))
+		bfa_lps_get_max_vport(fcs->bfa))
 		return BFA_STATUS_VPORT_MAX;
 
 	vport->lps = bfa_lps_alloc(fcs->bfa);
@@ -694,7 +648,8 @@ bfa_fcs_vport_create(struct bfa_fcs_vport_s *vport, struct bfa_fcs_s *fcs,
 	vport->vport_drv = vport_drv;
 	bfa_sm_set_state(vport, bfa_fcs_vport_sm_uninit);
 
-	bfa_fcs_lport_init(&vport->lport, fcs, vf_id, vport_cfg, vport);
+	bfa_fcs_lport_attach(&vport->lport, fcs, vf_id, vport);
+	bfa_fcs_lport_init(&vport->lport, vport_cfg);
 
 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_CREATE);
 
@@ -888,4 +843,15 @@ bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg)
 	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_RSP_OK);
 }
 
+/**
+ * Received clear virtual link
+ */
+void
+bfa_cb_lps_cvl_event(void *bfad, void *uarg)
+{
+	struct bfa_fcs_vport_s *vport = uarg;
 
+	/* Send an Offline followed by an ONLINE */
+	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_OFFLINE);
+	bfa_sm_send_event(vport, BFA_FCS_VPORT_SM_ONLINE);
+}
diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c
index 1c4d1215769d..cb71dc984797 100644
--- a/drivers/scsi/bnx2i/bnx2i_iscsi.c
+++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c
@@ -1989,7 +1989,7 @@ static struct scsi_host_template bnx2i_host_template = {
 	.queuecommand		= iscsi_queuecommand,
 	.eh_abort_handler	= iscsi_eh_abort,
 	.eh_device_reset_handler = iscsi_eh_device_reset,
-	.eh_target_reset_handler = iscsi_eh_target_reset,
+	.eh_target_reset_handler = iscsi_eh_recover_target,
 	.change_queue_depth	= iscsi_change_queue_depth,
 	.can_queue		= 1024,
 	.max_sectors		= 127,
diff --git a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c
index 412853c65372..b7c30585dadd 100644
--- a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c
+++ b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c
@@ -915,7 +915,7 @@ static struct scsi_host_template cxgb3i_host_template = {
 	.cmd_per_lun		= ISCSI_DEF_CMD_PER_LUN,
 	.eh_abort_handler	= iscsi_eh_abort,
 	.eh_device_reset_handler = iscsi_eh_device_reset,
-	.eh_target_reset_handler = iscsi_eh_target_reset,
+	.eh_target_reset_handler = iscsi_eh_recover_target,
 	.target_alloc		= iscsi_target_alloc,
 	.use_clustering		= DISABLE_CLUSTERING,
 	.this_id		= -1,
diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c
index 61966750bd60..63032ec3db92 100644
--- a/drivers/scsi/device_handler/scsi_dh_emc.c
+++ b/drivers/scsi/device_handler/scsi_dh_emc.c
@@ -272,7 +272,7 @@ static struct request *get_req(struct scsi_device *sdev, int cmd,
 	int len = 0;
 
 	rq = blk_get_request(sdev->request_queue,
-			(cmd == MODE_SELECT) ? WRITE : READ, GFP_NOIO);
+			(cmd != INQUIRY) ? WRITE : READ, GFP_NOIO);
 	if (!rq) {
 		sdev_printk(KERN_INFO, sdev, "get_req: blk_get_request failed");
 		return NULL;
@@ -286,14 +286,17 @@ static struct request *get_req(struct scsi_device *sdev, int cmd,
 		len = sizeof(short_trespass);
 		rq->cmd_flags |= REQ_RW;
 		rq->cmd[1] = 0x10;
+		rq->cmd[4] = len;
 		break;
 	case MODE_SELECT_10:
 		len = sizeof(long_trespass);
 		rq->cmd_flags |= REQ_RW;
 		rq->cmd[1] = 0x10;
+		rq->cmd[8] = len;
 		break;
 	case INQUIRY:
 		len = CLARIION_BUFFER_SIZE;
+		rq->cmd[4] = len;
 		memset(buffer, 0, len);
 		break;
 	default:
@@ -301,7 +304,6 @@ static struct request *get_req(struct scsi_device *sdev, int cmd,
 		break;
 	}
 
-	rq->cmd[4] = len;
 	rq->cmd_type = REQ_TYPE_BLOCK_PC;
 	rq->cmd_flags |= REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT |
 			 REQ_FAILFAST_DRIVER;
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 03697ba94251..183d3a43c280 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -43,6 +43,7 @@
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
 #include <linux/cciss_ioctl.h>
 #include <linux/string.h>
 #include <linux/bitmap.h>
@@ -52,7 +53,7 @@
 #include "hpsa.h"
 
 /* HPSA_DRIVER_VERSION must be 3 byte values (0-255) separated by '.' */
-#define HPSA_DRIVER_VERSION "2.0.1-3"
+#define HPSA_DRIVER_VERSION "2.0.2-1"
 #define DRIVER_NAME "HP HPSA Driver (v " HPSA_DRIVER_VERSION ")"
 
 /* How long to wait (in milliseconds) for board to go into simple mode */
@@ -134,6 +135,8 @@ static int hpsa_scsi_queue_command(struct scsi_cmnd *cmd,
 static void hpsa_scan_start(struct Scsi_Host *);
 static int hpsa_scan_finished(struct Scsi_Host *sh,
 	unsigned long elapsed_time);
+static int hpsa_change_queue_depth(struct scsi_device *sdev,
+	int qdepth, int reason);
 
 static int hpsa_eh_device_reset_handler(struct scsi_cmnd *scsicmd);
 static int hpsa_slave_alloc(struct scsi_device *sdev);
@@ -182,8 +185,8 @@ static struct scsi_host_template hpsa_driver_template = {
 	.queuecommand		= hpsa_scsi_queue_command,
 	.scan_start		= hpsa_scan_start,
 	.scan_finished		= hpsa_scan_finished,
+	.change_queue_depth	= hpsa_change_queue_depth,
 	.this_id		= -1,
-	.sg_tablesize		= MAXSGENTRIES,
 	.use_clustering		= ENABLE_CLUSTERING,
 	.eh_device_reset_handler = hpsa_eh_device_reset_handler,
 	.ioctl			= hpsa_ioctl,
@@ -208,133 +211,6 @@ static inline struct ctlr_info *shost_to_hba(struct Scsi_Host *sh)
 	return (struct ctlr_info *) *priv;
 }
 
-static struct task_struct *hpsa_scan_thread;
-static DEFINE_MUTEX(hpsa_scan_mutex);
-static LIST_HEAD(hpsa_scan_q);
-static int hpsa_scan_func(void *data);
-
-/**
- * add_to_scan_list() - add controller to rescan queue
- * @h:		      Pointer to the controller.
- *
- * Adds the controller to the rescan queue if not already on the queue.
- *
- * returns 1 if added to the queue, 0 if skipped (could be on the
- * queue already, or the controller could be initializing or shutting
- * down).
- **/
-static int add_to_scan_list(struct ctlr_info *h)
-{
-	struct ctlr_info *test_h;
-	int found = 0;
-	int ret = 0;
-
-	if (h->busy_initializing)
-		return 0;
-
-	/*
-	 * If we don't get the lock, it means the driver is unloading
-	 * and there's no point in scheduling a new scan.
-	 */
-	if (!mutex_trylock(&h->busy_shutting_down))
-		return 0;
-
-	mutex_lock(&hpsa_scan_mutex);
-	list_for_each_entry(test_h, &hpsa_scan_q, scan_list) {
-		if (test_h == h) {
-			found = 1;
-			break;
-		}
-	}
-	if (!found && !h->busy_scanning) {
-		INIT_COMPLETION(h->scan_wait);
-		list_add_tail(&h->scan_list, &hpsa_scan_q);
-		ret = 1;
-	}
-	mutex_unlock(&hpsa_scan_mutex);
-	mutex_unlock(&h->busy_shutting_down);
-
-	return ret;
-}
-
-/**
- * remove_from_scan_list() - remove controller from rescan queue
- * @h:			   Pointer to the controller.
- *
- * Removes the controller from the rescan queue if present. Blocks if
- * the controller is currently conducting a rescan.  The controller
- * can be in one of three states:
- * 1. Doesn't need a scan
- * 2. On the scan list, but not scanning yet (we remove it)
- * 3. Busy scanning (and not on the list). In this case we want to wait for
- *    the scan to complete to make sure the scanning thread for this
- *    controller is completely idle.
- **/
-static void remove_from_scan_list(struct ctlr_info *h)
-{
-	struct ctlr_info *test_h, *tmp_h;
-
-	mutex_lock(&hpsa_scan_mutex);
-	list_for_each_entry_safe(test_h, tmp_h, &hpsa_scan_q, scan_list) {
-		if (test_h == h) { /* state 2. */
-			list_del(&h->scan_list);
-			complete_all(&h->scan_wait);
-			mutex_unlock(&hpsa_scan_mutex);
-			return;
-		}
-	}
-	if (h->busy_scanning) { /* state 3. */
-		mutex_unlock(&hpsa_scan_mutex);
-		wait_for_completion(&h->scan_wait);
-	} else { /* state 1, nothing to do. */
-		mutex_unlock(&hpsa_scan_mutex);
-	}
-}
-
-/* hpsa_scan_func() - kernel thread used to rescan controllers
- * @data:	 Ignored.
- *
- * A kernel thread used scan for drive topology changes on
- * controllers. The thread processes only one controller at a time
- * using a queue.  Controllers are added to the queue using
- * add_to_scan_list() and removed from the queue either after done
- * processing or using remove_from_scan_list().
- *
- * returns 0.
- **/
-static int hpsa_scan_func(__attribute__((unused)) void *data)
-{
-	struct ctlr_info *h;
-	int host_no;
-
-	while (1) {
-		set_current_state(TASK_INTERRUPTIBLE);
-		schedule();
-		if (kthread_should_stop())
-			break;
-
-		while (1) {
-			mutex_lock(&hpsa_scan_mutex);
-			if (list_empty(&hpsa_scan_q)) {
-				mutex_unlock(&hpsa_scan_mutex);
-				break;
-			}
-			h = list_entry(hpsa_scan_q.next, struct ctlr_info,
-					scan_list);
-			list_del(&h->scan_list);
-			h->busy_scanning = 1;
-			mutex_unlock(&hpsa_scan_mutex);
-			host_no = h->scsi_host ?  h->scsi_host->host_no : -1;
-			hpsa_scan_start(h->scsi_host);
-			complete_all(&h->scan_wait);
-			mutex_lock(&hpsa_scan_mutex);
-			h->busy_scanning = 0;
-			mutex_unlock(&hpsa_scan_mutex);
-		}
-	}
-	return 0;
-}
-
 static int check_for_unit_attention(struct ctlr_info *h,
 	struct CommandList *c)
 {
@@ -352,21 +228,8 @@ static int check_for_unit_attention(struct ctlr_info *h,
 		break;
 	case REPORT_LUNS_CHANGED:
 		dev_warn(&h->pdev->dev, "hpsa%d: report LUN data "
-			"changed\n", h->ctlr);
+			"changed, action required\n", h->ctlr);
 	/*
-	 * Here, we could call add_to_scan_list and wake up the scan thread,
-	 * except that it's quite likely that we will get more than one
-	 * REPORT_LUNS_CHANGED condition in quick succession, which means
-	 * that those which occur after the first one will likely happen
-	 * *during* the hpsa_scan_thread's rescan.  And the rescan code is not
-	 * robust enough to restart in the middle, undoing what it has already
-	 * done, and it's not clear that it's even possible to do this, since
-	 * part of what it does is notify the SCSI mid layer, which starts
-	 * doing it's own i/o to read partition tables and so on, and the
-	 * driver doesn't have visibility to know what might need undoing.
-	 * In any event, if possible, it is horribly complicated to get right
-	 * so we just don't do it for now.
-	 *
 	 * Note: this REPORT_LUNS_CHANGED condition only occurs on the MSA2012.
 	 */
 		break;
@@ -393,10 +256,7 @@ static ssize_t host_store_rescan(struct device *dev,
 	struct ctlr_info *h;
 	struct Scsi_Host *shost = class_to_shost(dev);
 	h = shost_to_hba(shost);
-	if (add_to_scan_list(h)) {
-		wake_up_process(hpsa_scan_thread);
-		wait_for_completion_interruptible(&h->scan_wait);
-	}
+	hpsa_scan_start(h->scsi_host);
 	return count;
 }
 
@@ -983,6 +843,76 @@ static void hpsa_scsi_setup(struct ctlr_info *h)
 	spin_lock_init(&h->devlock);
 }
 
+static void hpsa_free_sg_chain_blocks(struct ctlr_info *h)
+{
+	int i;
+
+	if (!h->cmd_sg_list)
+		return;
+	for (i = 0; i < h->nr_cmds; i++) {
+		kfree(h->cmd_sg_list[i]);
+		h->cmd_sg_list[i] = NULL;
+	}
+	kfree(h->cmd_sg_list);
+	h->cmd_sg_list = NULL;
+}
+
+static int hpsa_allocate_sg_chain_blocks(struct ctlr_info *h)
+{
+	int i;
+
+	if (h->chainsize <= 0)
+		return 0;
+
+	h->cmd_sg_list = kzalloc(sizeof(*h->cmd_sg_list) * h->nr_cmds,
+				GFP_KERNEL);
+	if (!h->cmd_sg_list)
+		return -ENOMEM;
+	for (i = 0; i < h->nr_cmds; i++) {
+		h->cmd_sg_list[i] = kmalloc(sizeof(*h->cmd_sg_list[i]) *
+						h->chainsize, GFP_KERNEL);
+		if (!h->cmd_sg_list[i])
+			goto clean;
+	}
+	return 0;
+
+clean:
+	hpsa_free_sg_chain_blocks(h);
+	return -ENOMEM;
+}
+
+static void hpsa_map_sg_chain_block(struct ctlr_info *h,
+	struct CommandList *c)
+{
+	struct SGDescriptor *chain_sg, *chain_block;
+	u64 temp64;
+
+	chain_sg = &c->SG[h->max_cmd_sg_entries - 1];
+	chain_block = h->cmd_sg_list[c->cmdindex];
+	chain_sg->Ext = HPSA_SG_CHAIN;
+	chain_sg->Len = sizeof(*chain_sg) *
+		(c->Header.SGTotal - h->max_cmd_sg_entries);
+	temp64 = pci_map_single(h->pdev, chain_block, chain_sg->Len,
+				PCI_DMA_TODEVICE);
+	chain_sg->Addr.lower = (u32) (temp64 & 0x0FFFFFFFFULL);
+	chain_sg->Addr.upper = (u32) ((temp64 >> 32) & 0x0FFFFFFFFULL);
+}
+
+static void hpsa_unmap_sg_chain_block(struct ctlr_info *h,
+	struct CommandList *c)
+{
+	struct SGDescriptor *chain_sg;
+	union u64bit temp64;
+
+	if (c->Header.SGTotal <= h->max_cmd_sg_entries)
+		return;
+
+	chain_sg = &c->SG[h->max_cmd_sg_entries - 1];
+	temp64.val32.lower = chain_sg->Addr.lower;
+	temp64.val32.upper = chain_sg->Addr.upper;
+	pci_unmap_single(h->pdev, temp64.val, chain_sg->Len, PCI_DMA_TODEVICE);
+}
+
 static void complete_scsi_command(struct CommandList *cp,
 	int timeout, u32 tag)
 {
@@ -999,10 +929,12 @@ static void complete_scsi_command(struct CommandList *cp,
 	h = cp->h;
 
 	scsi_dma_unmap(cmd); /* undo the DMA mappings */
+	if (cp->Header.SGTotal > h->max_cmd_sg_entries)
+		hpsa_unmap_sg_chain_block(h, cp);
 
 	cmd->result = (DID_OK << 16); 		/* host byte */
 	cmd->result |= (COMMAND_COMPLETE << 8);	/* msg byte */
-	cmd->result |= (ei->ScsiStatus << 1);
+	cmd->result |= ei->ScsiStatus;
 
 	/* copy the sense data whether we need to or not. */
 	memcpy(cmd->sense_buffer, ei->SenseInfo,
@@ -1203,6 +1135,7 @@ static int hpsa_scsi_detect(struct ctlr_info *h)
 	sh->max_id = HPSA_MAX_LUN;
 	sh->can_queue = h->nr_cmds;
 	sh->cmd_per_lun = h->nr_cmds;
+	sh->sg_tablesize = h->maxsgentries;
 	h->scsi_host = sh;
 	sh->hostdata[0] = (unsigned long) h;
 	sh->irq = h->intr[PERF_MODE_INT];
@@ -1382,7 +1315,7 @@ static int hpsa_send_reset(struct ctlr_info *h, unsigned char *scsi3addr)
 
 	if (c == NULL) {			/* trouble... */
 		dev_warn(&h->pdev->dev, "cmd_special_alloc returned NULL!\n");
-		return -1;
+		return -ENOMEM;
 	}
 
 	fill_cmd(c, HPSA_DEVICE_RESET_MSG, h, NULL, 0, 0, scsi3addr, TYPE_MSG);
@@ -1904,16 +1837,17 @@ out:
  * dma mapping  and fills in the scatter gather entries of the
  * hpsa command, cp.
  */
-static int hpsa_scatter_gather(struct pci_dev *pdev,
+static int hpsa_scatter_gather(struct ctlr_info *h,
 		struct CommandList *cp,
 		struct scsi_cmnd *cmd)
 {
 	unsigned int len;
 	struct scatterlist *sg;
 	u64 addr64;
-	int use_sg, i;
+	int use_sg, i, sg_index, chained;
+	struct SGDescriptor *curr_sg;
 
-	BUG_ON(scsi_sg_count(cmd) > MAXSGENTRIES);
+	BUG_ON(scsi_sg_count(cmd) > h->maxsgentries);
 
 	use_sg = scsi_dma_map(cmd);
 	if (use_sg < 0)
@@ -1922,15 +1856,33 @@ static int hpsa_scatter_gather(struct pci_dev *pdev,
 	if (!use_sg)
 		goto sglist_finished;
 
+	curr_sg = cp->SG;
+	chained = 0;
+	sg_index = 0;
 	scsi_for_each_sg(cmd, sg, use_sg, i) {
+		if (i == h->max_cmd_sg_entries - 1 &&
+			use_sg > h->max_cmd_sg_entries) {
+			chained = 1;
+			curr_sg = h->cmd_sg_list[cp->cmdindex];
+			sg_index = 0;
+		}
 		addr64 = (u64) sg_dma_address(sg);
 		len  = sg_dma_len(sg);
-		cp->SG[i].Addr.lower =
-			(u32) (addr64 & (u64) 0x00000000FFFFFFFF);
-		cp->SG[i].Addr.upper =
-			(u32) ((addr64 >> 32) & (u64) 0x00000000FFFFFFFF);
-		cp->SG[i].Len = len;
-		cp->SG[i].Ext = 0;  /* we are not chaining */
+		curr_sg->Addr.lower = (u32) (addr64 & 0x0FFFFFFFFULL);
+		curr_sg->Addr.upper = (u32) ((addr64 >> 32) & 0x0FFFFFFFFULL);
+		curr_sg->Len = len;
+		curr_sg->Ext = 0;  /* we are not chaining */
+		curr_sg++;
+	}
+
+	if (use_sg + chained > h->maxSG)
+		h->maxSG = use_sg + chained;
+
+	if (chained) {
+		cp->Header.SGList = h->max_cmd_sg_entries;
+		cp->Header.SGTotal = (u16) (use_sg + 1);
+		hpsa_map_sg_chain_block(h, cp);
+		return 0;
 	}
 
 sglist_finished:
@@ -2026,7 +1978,7 @@ static int hpsa_scsi_queue_command(struct scsi_cmnd *cmd,
 		break;
 	}
 
-	if (hpsa_scatter_gather(h->pdev, c, cmd) < 0) { /* Fill SG list */
+	if (hpsa_scatter_gather(h, c, cmd) < 0) { /* Fill SG list */
 		cmd_free(h, c);
 		return SCSI_MLQUEUE_HOST_BUSY;
 	}
@@ -2077,6 +2029,23 @@ static int hpsa_scan_finished(struct Scsi_Host *sh,
 	return finished;
 }
 
+static int hpsa_change_queue_depth(struct scsi_device *sdev,
+	int qdepth, int reason)
+{
+	struct ctlr_info *h = sdev_to_hba(sdev);
+
+	if (reason != SCSI_QDEPTH_DEFAULT)
+		return -ENOTSUPP;
+
+	if (qdepth < 1)
+		qdepth = 1;
+	else
+		if (qdepth > h->nr_cmds)
+			qdepth = h->nr_cmds;
+	scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
+	return sdev->queue_depth;
+}
+
 static void hpsa_unregister_scsi(struct ctlr_info *h)
 {
 	/* we are being forcibly unloaded, and may not refuse. */
@@ -2961,7 +2930,7 @@ static irqreturn_t do_hpsa_intr(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-/* Send a message CDB to the firmwart. */
+/* Send a message CDB to the firmware. */
 static __devinit int hpsa_message(struct pci_dev *pdev, unsigned char opcode,
 						unsigned char type)
 {
@@ -3296,7 +3265,7 @@ default_int_mode:
 	h->intr[PERF_MODE_INT] = pdev->irq;
 }
 
-static int hpsa_pci_init(struct ctlr_info *h, struct pci_dev *pdev)
+static int __devinit hpsa_pci_init(struct ctlr_info *h, struct pci_dev *pdev)
 {
 	ushort subsystem_vendor_id, subsystem_device_id, command;
 	u32 board_id, scratchpad = 0;
@@ -3405,6 +3374,23 @@ static int hpsa_pci_init(struct ctlr_info *h, struct pci_dev *pdev)
 
 	h->board_id = board_id;
 	h->max_commands = readl(&(h->cfgtable->MaxPerformantModeCommands));
+	h->maxsgentries = readl(&(h->cfgtable->MaxScatterGatherElements));
+
+	/*
+	 * Limit in-command s/g elements to 32 save dma'able memory.
+	 * Howvever spec says if 0, use 31
+	 */
+
+	h->max_cmd_sg_entries = 31;
+	if (h->maxsgentries > 512) {
+		h->max_cmd_sg_entries = 32;
+		h->chainsize = h->maxsgentries - h->max_cmd_sg_entries + 1;
+		h->maxsgentries--; /* save one for chain pointer */
+	} else {
+		h->maxsgentries = 31; /* default to traditional values */
+		h->chainsize = 0;
+	}
+
 	h->product_name = products[prod_index].product_name;
 	h->access = *(products[prod_index].access);
 	/* Allow room for some ioctls */
@@ -3532,8 +3518,6 @@ static int __devinit hpsa_init_one(struct pci_dev *pdev,
 	h->busy_initializing = 1;
 	INIT_HLIST_HEAD(&h->cmpQ);
 	INIT_HLIST_HEAD(&h->reqQ);
-	mutex_init(&h->busy_shutting_down);
-	init_completion(&h->scan_wait);
 	rc = hpsa_pci_init(h, pdev);
 	if (rc != 0)
 		goto clean1;
@@ -3587,6 +3571,8 @@ static int __devinit hpsa_init_one(struct pci_dev *pdev,
 		rc = -ENOMEM;
 		goto clean4;
 	}
+	if (hpsa_allocate_sg_chain_blocks(h))
+		goto clean4;
 	spin_lock_init(&h->lock);
 	spin_lock_init(&h->scan_lock);
 	init_waitqueue_head(&h->scan_wait_queue);
@@ -3609,6 +3595,7 @@ static int __devinit hpsa_init_one(struct pci_dev *pdev,
 	return 1;
 
 clean4:
+	hpsa_free_sg_chain_blocks(h);
 	kfree(h->cmd_pool_bits);
 	if (h->cmd_pool)
 		pci_free_consistent(h->pdev,
@@ -3681,11 +3668,10 @@ static void __devexit hpsa_remove_one(struct pci_dev *pdev)
 		return;
 	}
 	h = pci_get_drvdata(pdev);
-	mutex_lock(&h->busy_shutting_down);
-	remove_from_scan_list(h);
 	hpsa_unregister_scsi(h);	/* unhook from SCSI subsystem */
 	hpsa_shutdown(pdev);
 	iounmap(h->vaddr);
+	hpsa_free_sg_chain_blocks(h);
 	pci_free_consistent(h->pdev,
 		h->nr_cmds * sizeof(struct CommandList),
 		h->cmd_pool, h->cmd_pool_dhandle);
@@ -3703,7 +3689,6 @@ static void __devexit hpsa_remove_one(struct pci_dev *pdev)
 	 */
 	pci_release_regions(pdev);
 	pci_set_drvdata(pdev, NULL);
-	mutex_unlock(&h->busy_shutting_down);
 	kfree(h);
 }
 
@@ -3857,23 +3842,12 @@ clean_up:
  */
 static int __init hpsa_init(void)
 {
-	int err;
-	/* Start the scan thread */
-	hpsa_scan_thread = kthread_run(hpsa_scan_func, NULL, "hpsa_scan");
-	if (IS_ERR(hpsa_scan_thread)) {
-		err = PTR_ERR(hpsa_scan_thread);
-		return -ENODEV;
-	}
-	err = pci_register_driver(&hpsa_pci_driver);
-	if (err)
-		kthread_stop(hpsa_scan_thread);
-	return err;
+	return pci_register_driver(&hpsa_pci_driver);
 }
 
 static void __exit hpsa_cleanup(void)
 {
 	pci_unregister_driver(&hpsa_pci_driver);
-	kthread_stop(hpsa_scan_thread);
 }
 
 module_init(hpsa_init);
diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h
index a0502b3ac17e..1bb5233b09a0 100644
--- a/drivers/scsi/hpsa.h
+++ b/drivers/scsi/hpsa.h
@@ -83,6 +83,10 @@ struct ctlr_info {
 	unsigned int maxQsinceinit;
 	unsigned int maxSG;
 	spinlock_t lock;
+	int maxsgentries;
+	u8 max_cmd_sg_entries;
+	int chainsize;
+	struct SGDescriptor **cmd_sg_list;
 
 	/* pointers to command and error info pool */
 	struct CommandList 	*cmd_pool;
@@ -97,9 +101,6 @@ struct ctlr_info {
 	int			scan_finished;
 	spinlock_t		scan_lock;
 	wait_queue_head_t	scan_wait_queue;
-	struct mutex		busy_shutting_down;
-	struct list_head	scan_list;
-	struct completion	scan_wait;
 
 	struct Scsi_Host *scsi_host;
 	spinlock_t devlock; /* to protect hba[ctlr]->dev[];  */
diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h
index 3e0abdf76689..56fb9827681e 100644
--- a/drivers/scsi/hpsa_cmd.h
+++ b/drivers/scsi/hpsa_cmd.h
@@ -23,7 +23,8 @@
 
 /* general boundary defintions */
 #define SENSEINFOBYTES          32 /* may vary between hbas */
-#define MAXSGENTRIES            31
+#define MAXSGENTRIES            32
+#define HPSA_SG_CHAIN		0x80000000
 #define MAXREPLYQS              256
 
 /* Command Status value */
@@ -305,20 +306,23 @@ struct CommandList {
 	int			   cmd_type;
 	long			   cmdindex;
 	struct hlist_node list;
-	struct CommandList *prev;
-	struct CommandList *next;
 	struct request *rq;
 	struct completion *waiting;
-	int	 retry_count;
 	void   *scsi_cmd;
 
 /* on 64 bit architectures, to get this to be 32-byte-aligned
- * it so happens we need no padding, on 32 bit systems,
- * we need 8 bytes of padding.   This does that.
+ * it so happens we need PAD_64 bytes of padding, on 32 bit systems,
+ * we need PAD_32 bytes of padding (see below).   This does that.
+ * If it happens that 64 bit and 32 bit systems need different
+ * padding, PAD_32 and PAD_64 can be set independently, and.
+ * the code below will do the right thing.
  */
-#define COMMANDLIST_PAD ((8 - sizeof(long))/4 * 8)
+#define IS_32_BIT ((8 - sizeof(long))/4)
+#define IS_64_BIT (!IS_32_BIT)
+#define PAD_32 (4)
+#define PAD_64 (4)
+#define COMMANDLIST_PAD (IS_32_BIT * PAD_32 + IS_64_BIT * PAD_64)
 	u8 pad[COMMANDLIST_PAD];
-
 };
 
 /* Configuration Table Structure */
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 732f6d35b4a8..4e577e2fee38 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -29,6 +29,7 @@
 #include <linux/interrupt.h>
 #include <linux/kthread.h>
 #include <linux/of.h>
+#include <linux/pm.h>
 #include <linux/stringify.h>
 #include <asm/firmware.h>
 #include <asm/irq.h>
@@ -4736,6 +4737,27 @@ static int ibmvfc_remove(struct vio_dev *vdev)
 }
 
 /**
+ * ibmvfc_resume - Resume from suspend
+ * @dev:	device struct
+ *
+ * We may have lost an interrupt across suspend/resume, so kick the
+ * interrupt handler
+ *
+ */
+static int ibmvfc_resume(struct device *dev)
+{
+	unsigned long flags;
+	struct ibmvfc_host *vhost = dev_get_drvdata(dev);
+	struct vio_dev *vdev = to_vio_dev(dev);
+
+	spin_lock_irqsave(vhost->host->host_lock, flags);
+	vio_disable_interrupts(vdev);
+	tasklet_schedule(&vhost->tasklet);
+	spin_unlock_irqrestore(vhost->host->host_lock, flags);
+	return 0;
+}
+
+/**
  * ibmvfc_get_desired_dma - Calculate DMA resources needed by the driver
  * @vdev:	vio device struct
  *
@@ -4755,6 +4777,10 @@ static struct vio_device_id ibmvfc_device_table[] __devinitdata = {
 };
 MODULE_DEVICE_TABLE(vio, ibmvfc_device_table);
 
+static struct dev_pm_ops ibmvfc_pm_ops = {
+	.resume = ibmvfc_resume
+};
+
 static struct vio_driver ibmvfc_driver = {
 	.id_table = ibmvfc_device_table,
 	.probe = ibmvfc_probe,
@@ -4763,6 +4789,7 @@ static struct vio_driver ibmvfc_driver = {
 	.driver = {
 		.name = IBMVFC_NAME,
 		.owner = THIS_MODULE,
+		.pm = &ibmvfc_pm_ops,
 	}
 };
 
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index e3a18e0ef276..dc1bcbe3b176 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -71,6 +71,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/delay.h>
 #include <linux/of.h>
+#include <linux/pm.h>
 #include <asm/firmware.h>
 #include <asm/vio.h>
 #include <scsi/scsi.h>
@@ -1991,6 +1992,19 @@ static int ibmvscsi_remove(struct vio_dev *vdev)
 }
 
 /**
+ * ibmvscsi_resume: Resume from suspend
+ * @dev:	device struct
+ *
+ * We may have lost an interrupt across suspend/resume, so kick the
+ * interrupt handler
+ */
+static int ibmvscsi_resume(struct device *dev)
+{
+	struct ibmvscsi_host_data *hostdata = dev_get_drvdata(dev);
+	return ibmvscsi_ops->resume(hostdata);
+}
+
+/**
  * ibmvscsi_device_table: Used by vio.c to match devices in the device tree we 
  * support.
  */
@@ -2000,6 +2014,10 @@ static struct vio_device_id ibmvscsi_device_table[] __devinitdata = {
 };
 MODULE_DEVICE_TABLE(vio, ibmvscsi_device_table);
 
+static struct dev_pm_ops ibmvscsi_pm_ops = {
+	.resume = ibmvscsi_resume
+};
+
 static struct vio_driver ibmvscsi_driver = {
 	.id_table = ibmvscsi_device_table,
 	.probe = ibmvscsi_probe,
@@ -2008,6 +2026,7 @@ static struct vio_driver ibmvscsi_driver = {
 	.driver = {
 		.name = "ibmvscsi",
 		.owner = THIS_MODULE,
+		.pm = &ibmvscsi_pm_ops,
 	}
 };
 
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h
index 76425303def0..9cb7c6a773e1 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.h
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.h
@@ -120,6 +120,7 @@ struct ibmvscsi_ops {
 				  struct ibmvscsi_host_data *hostdata);
 	int (*send_crq)(struct ibmvscsi_host_data *hostdata,
 		       u64 word1, u64 word2);
+	int (*resume) (struct ibmvscsi_host_data *hostdata);
 };
 
 extern struct ibmvscsi_ops iseriesvscsi_ops;
diff --git a/drivers/scsi/ibmvscsi/iseries_vscsi.c b/drivers/scsi/ibmvscsi/iseries_vscsi.c
index 0775fdee5fa8..f4776451a754 100644
--- a/drivers/scsi/ibmvscsi/iseries_vscsi.c
+++ b/drivers/scsi/ibmvscsi/iseries_vscsi.c
@@ -158,10 +158,16 @@ static int iseriesvscsi_send_crq(struct ibmvscsi_host_data *hostdata,
 					     0);
 }
 
+static int iseriesvscsi_resume(struct ibmvscsi_host_data *hostdata)
+{
+	return 0;
+}
+
 struct ibmvscsi_ops iseriesvscsi_ops = {
 	.init_crq_queue = iseriesvscsi_init_crq_queue,
 	.release_crq_queue = iseriesvscsi_release_crq_queue,
 	.reset_crq_queue = iseriesvscsi_reset_crq_queue,
 	.reenable_crq_queue = iseriesvscsi_reenable_crq_queue,
 	.send_crq = iseriesvscsi_send_crq,
+	.resume = iseriesvscsi_resume,
 };
diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c
index 462a8574dad9..63a30cbbf9de 100644
--- a/drivers/scsi/ibmvscsi/rpa_vscsi.c
+++ b/drivers/scsi/ibmvscsi/rpa_vscsi.c
@@ -334,10 +334,23 @@ static int rpavscsi_reenable_crq_queue(struct crq_queue *queue,
 	return rc;
 }
 
+/**
+ * rpavscsi_resume: - resume after suspend
+ * @hostdata:	ibmvscsi_host_data of host
+ *
+ */
+static int rpavscsi_resume(struct ibmvscsi_host_data *hostdata)
+{
+	vio_disable_interrupts(to_vio_dev(hostdata->dev));
+	tasklet_schedule(&hostdata->srp_task);
+	return 0;
+}
+
 struct ibmvscsi_ops rpavscsi_ops = {
 	.init_crq_queue = rpavscsi_init_crq_queue,
 	.release_crq_queue = rpavscsi_release_crq_queue,
 	.reset_crq_queue = rpavscsi_reset_crq_queue,
 	.reenable_crq_queue = rpavscsi_reenable_crq_queue,
 	.send_crq = rpavscsi_send_crq,
+	.resume = rpavscsi_resume,
 };
diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c
index 89a59484be02..a7714160fbc3 100644
--- a/drivers/scsi/initio.c
+++ b/drivers/scsi/initio.c
@@ -531,7 +531,7 @@ static void initio_read_eeprom(unsigned long base)
  *	initio_stop_bm		-	stop bus master
  *	@host: InitIO we are stopping
  *
- *	Stop any pending DMA operation, aborting the DMA if neccessary
+ *	Stop any pending DMA operation, aborting the DMA if necessary
  */
 
 static void initio_stop_bm(struct initio_host * host)
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 032f0d0e6cb4..c79cd98eb6bf 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -72,6 +72,8 @@
 #include <linux/moduleparam.h>
 #include <linux/libata.h>
 #include <linux/hdreg.h>
+#include <linux/reboot.h>
+#include <linux/stringify.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/processor.h>
@@ -91,8 +93,8 @@ static unsigned int ipr_max_speed = 1;
 static int ipr_testmode = 0;
 static unsigned int ipr_fastfail = 0;
 static unsigned int ipr_transop_timeout = 0;
-static unsigned int ipr_enable_cache = 1;
 static unsigned int ipr_debug = 0;
+static unsigned int ipr_max_devs = IPR_DEFAULT_SIS64_DEVS;
 static unsigned int ipr_dual_ioa_raid = 1;
 static DEFINE_SPINLOCK(ipr_driver_lock);
 
@@ -104,13 +106,20 @@ static const struct ipr_chip_cfg_t ipr_chip_cfg[] = {
 		{
 			.set_interrupt_mask_reg = 0x0022C,
 			.clr_interrupt_mask_reg = 0x00230,
+			.clr_interrupt_mask_reg32 = 0x00230,
 			.sense_interrupt_mask_reg = 0x0022C,
+			.sense_interrupt_mask_reg32 = 0x0022C,
 			.clr_interrupt_reg = 0x00228,
+			.clr_interrupt_reg32 = 0x00228,
 			.sense_interrupt_reg = 0x00224,
+			.sense_interrupt_reg32 = 0x00224,
 			.ioarrin_reg = 0x00404,
 			.sense_uproc_interrupt_reg = 0x00214,
+			.sense_uproc_interrupt_reg32 = 0x00214,
 			.set_uproc_interrupt_reg = 0x00214,
-			.clr_uproc_interrupt_reg = 0x00218
+			.set_uproc_interrupt_reg32 = 0x00214,
+			.clr_uproc_interrupt_reg = 0x00218,
+			.clr_uproc_interrupt_reg32 = 0x00218
 		}
 	},
 	{ /* Snipe and Scamp */
@@ -119,25 +128,59 @@ static const struct ipr_chip_cfg_t ipr_chip_cfg[] = {
 		{
 			.set_interrupt_mask_reg = 0x00288,
 			.clr_interrupt_mask_reg = 0x0028C,
+			.clr_interrupt_mask_reg32 = 0x0028C,
 			.sense_interrupt_mask_reg = 0x00288,
+			.sense_interrupt_mask_reg32 = 0x00288,
 			.clr_interrupt_reg = 0x00284,
+			.clr_interrupt_reg32 = 0x00284,
 			.sense_interrupt_reg = 0x00280,
+			.sense_interrupt_reg32 = 0x00280,
 			.ioarrin_reg = 0x00504,
 			.sense_uproc_interrupt_reg = 0x00290,
+			.sense_uproc_interrupt_reg32 = 0x00290,
 			.set_uproc_interrupt_reg = 0x00290,
-			.clr_uproc_interrupt_reg = 0x00294
+			.set_uproc_interrupt_reg32 = 0x00290,
+			.clr_uproc_interrupt_reg = 0x00294,
+			.clr_uproc_interrupt_reg32 = 0x00294
+		}
+	},
+	{ /* CRoC */
+		.mailbox = 0x00040,
+		.cache_line_size = 0x20,
+		{
+			.set_interrupt_mask_reg = 0x00010,
+			.clr_interrupt_mask_reg = 0x00018,
+			.clr_interrupt_mask_reg32 = 0x0001C,
+			.sense_interrupt_mask_reg = 0x00010,
+			.sense_interrupt_mask_reg32 = 0x00014,
+			.clr_interrupt_reg = 0x00008,
+			.clr_interrupt_reg32 = 0x0000C,
+			.sense_interrupt_reg = 0x00000,
+			.sense_interrupt_reg32 = 0x00004,
+			.ioarrin_reg = 0x00070,
+			.sense_uproc_interrupt_reg = 0x00020,
+			.sense_uproc_interrupt_reg32 = 0x00024,
+			.set_uproc_interrupt_reg = 0x00020,
+			.set_uproc_interrupt_reg32 = 0x00024,
+			.clr_uproc_interrupt_reg = 0x00028,
+			.clr_uproc_interrupt_reg32 = 0x0002C,
+			.init_feedback_reg = 0x0005C,
+			.dump_addr_reg = 0x00064,
+			.dump_data_reg = 0x00068
 		}
 	},
 };
 
 static const struct ipr_chip_t ipr_chip[] = {
-	{ PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, IPR_USE_LSI, &ipr_chip_cfg[0] },
-	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, IPR_USE_LSI, &ipr_chip_cfg[0] },
-	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, IPR_USE_LSI, &ipr_chip_cfg[0] },
-	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, IPR_USE_LSI, &ipr_chip_cfg[0] },
-	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, IPR_USE_MSI, &ipr_chip_cfg[0] },
-	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, IPR_USE_LSI, &ipr_chip_cfg[1] },
-	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, IPR_USE_LSI, &ipr_chip_cfg[1] }
+	{ PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE, IPR_USE_LSI, IPR_SIS32, &ipr_chip_cfg[0] },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE, IPR_USE_LSI, IPR_SIS32, &ipr_chip_cfg[0] },
+	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN, IPR_USE_LSI, IPR_SIS32, &ipr_chip_cfg[0] },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN, IPR_USE_LSI, IPR_SIS32, &ipr_chip_cfg[0] },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E, IPR_USE_MSI, IPR_SIS32, &ipr_chip_cfg[0] },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, IPR_USE_LSI, IPR_SIS32, &ipr_chip_cfg[1] },
+	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, IPR_USE_LSI, IPR_SIS32, &ipr_chip_cfg[1] },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, IPR_USE_MSI, IPR_SIS64, &ipr_chip_cfg[2] },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, IPR_USE_MSI, IPR_SIS64, &ipr_chip_cfg[2] }
 };
 
 static int ipr_max_bus_speeds [] = {
@@ -156,12 +199,13 @@ module_param_named(fastfail, ipr_fastfail, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(fastfail, "Reduce timeouts and retries");
 module_param_named(transop_timeout, ipr_transop_timeout, int, 0);
 MODULE_PARM_DESC(transop_timeout, "Time in seconds to wait for adapter to come operational (default: 300)");
-module_param_named(enable_cache, ipr_enable_cache, int, 0);
-MODULE_PARM_DESC(enable_cache, "Enable adapter's non-volatile write cache (default: 1)");
 module_param_named(debug, ipr_debug, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(debug, "Enable device driver debugging logging. Set to 1 to enable. (default: 0)");
 module_param_named(dual_ioa_raid, ipr_dual_ioa_raid, int, 0);
 MODULE_PARM_DESC(dual_ioa_raid, "Enable dual adapter RAID support. Set to 1 to enable. (default: 1)");
+module_param_named(max_devs, ipr_max_devs, int, 0);
+MODULE_PARM_DESC(max_devs, "Specify the maximum number of physical devices. "
+		 "[Default=" __stringify(IPR_DEFAULT_SIS64_DEVS) "]");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(IPR_DRIVER_VERSION);
 
@@ -180,6 +224,20 @@ struct ipr_error_table_t ipr_error_table[] = {
 	"FFFE: Soft device bus error recovered by the IOA"},
 	{0x01088100, 0, IPR_DEFAULT_LOG_LEVEL,
 	"4101: Soft device bus fabric error"},
+	{0x01100100, 0, IPR_DEFAULT_LOG_LEVEL,
+	"FFFC: Logical block guard error recovered by the device"},
+	{0x01100300, 0, IPR_DEFAULT_LOG_LEVEL,
+	"FFFC: Logical block reference tag error recovered by the device"},
+	{0x01108300, 0, IPR_DEFAULT_LOG_LEVEL,
+	"4171: Recovered scatter list tag / sequence number error"},
+	{0x01109000, 0, IPR_DEFAULT_LOG_LEVEL,
+	"FF3D: Recovered logical block CRC error on IOA to Host transfer"},
+	{0x01109200, 0, IPR_DEFAULT_LOG_LEVEL,
+	"4171: Recovered logical block sequence number error on IOA to Host transfer"},
+	{0x0110A000, 0, IPR_DEFAULT_LOG_LEVEL,
+	"FFFD: Recovered logical block reference tag error detected by the IOA"},
+	{0x0110A100, 0, IPR_DEFAULT_LOG_LEVEL,
+	"FFFD: Logical block guard error recovered by the IOA"},
 	{0x01170600, 0, IPR_DEFAULT_LOG_LEVEL,
 	"FFF9: Device sector reassign successful"},
 	{0x01170900, 0, IPR_DEFAULT_LOG_LEVEL,
@@ -236,12 +294,28 @@ struct ipr_error_table_t ipr_error_table[] = {
 	"3120: SCSI bus is not operational"},
 	{0x04088100, 0, IPR_DEFAULT_LOG_LEVEL,
 	"4100: Hard device bus fabric error"},
+	{0x04100100, 0, IPR_DEFAULT_LOG_LEVEL,
+	"310C: Logical block guard error detected by the device"},
+	{0x04100300, 0, IPR_DEFAULT_LOG_LEVEL,
+	"310C: Logical block reference tag error detected by the device"},
+	{0x04108300, 1, IPR_DEFAULT_LOG_LEVEL,
+	"4170: Scatter list tag / sequence number error"},
+	{0x04109000, 1, IPR_DEFAULT_LOG_LEVEL,
+	"8150: Logical block CRC error on IOA to Host transfer"},
+	{0x04109200, 1, IPR_DEFAULT_LOG_LEVEL,
+	"4170: Logical block sequence number error on IOA to Host transfer"},
+	{0x0410A000, 0, IPR_DEFAULT_LOG_LEVEL,
+	"310D: Logical block reference tag error detected by the IOA"},
+	{0x0410A100, 0, IPR_DEFAULT_LOG_LEVEL,
+	"310D: Logical block guard error detected by the IOA"},
 	{0x04118000, 0, IPR_DEFAULT_LOG_LEVEL,
 	"9000: IOA reserved area data check"},
 	{0x04118100, 0, IPR_DEFAULT_LOG_LEVEL,
 	"9001: IOA reserved area invalid data pattern"},
 	{0x04118200, 0, IPR_DEFAULT_LOG_LEVEL,
 	"9002: IOA reserved area LRC error"},
+	{0x04118300, 1, IPR_DEFAULT_LOG_LEVEL,
+	"Hardware Error, IOA metadata access error"},
 	{0x04320000, 0, IPR_DEFAULT_LOG_LEVEL,
 	"102E: Out of alternate sectors for disk storage"},
 	{0x04330000, 1, IPR_DEFAULT_LOG_LEVEL,
@@ -306,6 +380,8 @@ struct ipr_error_table_t ipr_error_table[] = {
 	"Illegal request, commands not allowed to this device"},
 	{0x05258100, 0, 0,
 	"Illegal request, command not allowed to a secondary adapter"},
+	{0x05258200, 0, 0,
+	"Illegal request, command not allowed to a non-optimized resource"},
 	{0x05260000, 0, 0,
 	"Illegal request, invalid field in parameter list"},
 	{0x05260100, 0, 0,
@@ -468,7 +544,10 @@ static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd,
 	trace_entry->time = jiffies;
 	trace_entry->op_code = ipr_cmd->ioarcb.cmd_pkt.cdb[0];
 	trace_entry->type = type;
-	trace_entry->ata_op_code = ipr_cmd->ioarcb.add_data.u.regs.command;
+	if (ipr_cmd->ioa_cfg->sis64)
+		trace_entry->ata_op_code = ipr_cmd->i.ata_ioadl.regs.command;
+	else
+		trace_entry->ata_op_code = ipr_cmd->ioarcb.u.add_data.u.regs.command;
 	trace_entry->cmd_index = ipr_cmd->cmd_index & 0xff;
 	trace_entry->res_handle = ipr_cmd->ioarcb.res_handle;
 	trace_entry->u.add_data = add_data;
@@ -488,16 +567,23 @@ static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
 	struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
-	dma_addr_t dma_addr = be32_to_cpu(ioarcb->ioarcb_host_pci_addr);
+	dma_addr_t dma_addr = ipr_cmd->dma_addr;
 
 	memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt));
-	ioarcb->write_data_transfer_length = 0;
+	ioarcb->data_transfer_length = 0;
 	ioarcb->read_data_transfer_length = 0;
-	ioarcb->write_ioadl_len = 0;
+	ioarcb->ioadl_len = 0;
 	ioarcb->read_ioadl_len = 0;
-	ioarcb->write_ioadl_addr =
-		cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, ioadl));
-	ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
+
+	if (ipr_cmd->ioa_cfg->sis64)
+		ioarcb->u.sis64_addr_data.data_ioadl_addr =
+			cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64));
+	else {
+		ioarcb->write_ioadl_addr =
+			cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl));
+		ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
+	}
+
 	ioasa->ioasc = 0;
 	ioasa->residual_data_len = 0;
 	ioasa->u.gata.status = 0;
@@ -562,10 +648,15 @@ static void ipr_mask_and_clear_interrupts(struct ipr_ioa_cfg *ioa_cfg,
 	ioa_cfg->allow_interrupts = 0;
 
 	/* Set interrupt mask to stop all new interrupts */
-	writel(~0, ioa_cfg->regs.set_interrupt_mask_reg);
+	if (ioa_cfg->sis64)
+		writeq(~0, ioa_cfg->regs.set_interrupt_mask_reg);
+	else
+		writel(~0, ioa_cfg->regs.set_interrupt_mask_reg);
 
 	/* Clear any pending interrupts */
-	writel(clr_ints, ioa_cfg->regs.clr_interrupt_reg);
+	if (ioa_cfg->sis64)
+		writel(~0, ioa_cfg->regs.clr_interrupt_reg);
+	writel(clr_ints, ioa_cfg->regs.clr_interrupt_reg32);
 	int_reg = readl(ioa_cfg->regs.sense_interrupt_reg);
 }
 
@@ -693,6 +784,35 @@ static void ipr_fail_all_ops(struct ipr_ioa_cfg *ioa_cfg)
 }
 
 /**
+ * ipr_send_command -  Send driver initiated requests.
+ * @ipr_cmd:		ipr command struct
+ *
+ * This function sends a command to the adapter using the correct write call.
+ * In the case of sis64, calculate the ioarcb size required. Then or in the
+ * appropriate bits.
+ *
+ * Return value:
+ * 	none
+ **/
+static void ipr_send_command(struct ipr_cmnd *ipr_cmd)
+{
+	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
+	dma_addr_t send_dma_addr = ipr_cmd->dma_addr;
+
+	if (ioa_cfg->sis64) {
+		/* The default size is 256 bytes */
+		send_dma_addr |= 0x1;
+
+		/* If the number of ioadls * size of ioadl > 128 bytes,
+		   then use a 512 byte ioarcb */
+		if (ipr_cmd->dma_use_sg * sizeof(struct ipr_ioadl64_desc) > 128 )
+			send_dma_addr |= 0x4;
+		writeq(send_dma_addr, ioa_cfg->regs.ioarrin_reg);
+	} else
+		writel(send_dma_addr, ioa_cfg->regs.ioarrin_reg);
+}
+
+/**
  * ipr_do_req -  Send driver initiated requests.
  * @ipr_cmd:		ipr command struct
  * @done:			done function
@@ -724,8 +844,8 @@ static void ipr_do_req(struct ipr_cmnd *ipr_cmd,
 	ipr_trc_hook(ipr_cmd, IPR_TRACE_START, 0);
 
 	mb();
-	writel(be32_to_cpu(ipr_cmd->ioarcb.ioarcb_host_pci_addr),
-	       ioa_cfg->regs.ioarrin_reg);
+
+	ipr_send_command(ipr_cmd);
 }
 
 /**
@@ -747,6 +867,51 @@ static void ipr_internal_cmd_done(struct ipr_cmnd *ipr_cmd)
 }
 
 /**
+ * ipr_init_ioadl - initialize the ioadl for the correct SIS type
+ * @ipr_cmd:	ipr command struct
+ * @dma_addr:	dma address
+ * @len:	transfer length
+ * @flags:	ioadl flag value
+ *
+ * This function initializes an ioadl in the case where there is only a single
+ * descriptor.
+ *
+ * Return value:
+ * 	nothing
+ **/
+static void ipr_init_ioadl(struct ipr_cmnd *ipr_cmd, dma_addr_t dma_addr,
+			   u32 len, int flags)
+{
+	struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl;
+	struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64;
+
+	ipr_cmd->dma_use_sg = 1;
+
+	if (ipr_cmd->ioa_cfg->sis64) {
+		ioadl64->flags = cpu_to_be32(flags);
+		ioadl64->data_len = cpu_to_be32(len);
+		ioadl64->address = cpu_to_be64(dma_addr);
+
+		ipr_cmd->ioarcb.ioadl_len =
+		       	cpu_to_be32(sizeof(struct ipr_ioadl64_desc));
+		ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len);
+	} else {
+		ioadl->flags_and_data_len = cpu_to_be32(flags | len);
+		ioadl->address = cpu_to_be32(dma_addr);
+
+		if (flags == IPR_IOADL_FLAGS_READ_LAST) {
+			ipr_cmd->ioarcb.read_ioadl_len =
+				cpu_to_be32(sizeof(struct ipr_ioadl_desc));
+			ipr_cmd->ioarcb.read_data_transfer_length = cpu_to_be32(len);
+		} else {
+			ipr_cmd->ioarcb.ioadl_len =
+			       	cpu_to_be32(sizeof(struct ipr_ioadl_desc));
+			ipr_cmd->ioarcb.data_transfer_length = cpu_to_be32(len);
+		}
+	}
+}
+
+/**
  * ipr_send_blocking_cmd - Send command and sleep on its completion.
  * @ipr_cmd:	ipr command struct
  * @timeout_func:	function to invoke if command times out
@@ -803,11 +968,8 @@ static void ipr_send_hcam(struct ipr_ioa_cfg *ioa_cfg, u8 type,
 		ioarcb->cmd_pkt.cdb[7] = (sizeof(hostrcb->hcam) >> 8) & 0xff;
 		ioarcb->cmd_pkt.cdb[8] = sizeof(hostrcb->hcam) & 0xff;
 
-		ioarcb->read_data_transfer_length = cpu_to_be32(sizeof(hostrcb->hcam));
-		ioarcb->read_ioadl_len = cpu_to_be32(sizeof(struct ipr_ioadl_desc));
-		ipr_cmd->ioadl[0].flags_and_data_len =
-			cpu_to_be32(IPR_IOADL_FLAGS_READ_LAST | sizeof(hostrcb->hcam));
-		ipr_cmd->ioadl[0].address = cpu_to_be32(hostrcb->hostrcb_dma);
+		ipr_init_ioadl(ipr_cmd, hostrcb->hostrcb_dma,
+			       sizeof(hostrcb->hcam), IPR_IOADL_FLAGS_READ_LAST);
 
 		if (type == IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE)
 			ipr_cmd->done = ipr_process_ccn;
@@ -817,22 +979,54 @@ static void ipr_send_hcam(struct ipr_ioa_cfg *ioa_cfg, u8 type,
 		ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_IOA_RES_ADDR);
 
 		mb();
-		writel(be32_to_cpu(ipr_cmd->ioarcb.ioarcb_host_pci_addr),
-		       ioa_cfg->regs.ioarrin_reg);
+
+		ipr_send_command(ipr_cmd);
 	} else {
 		list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q);
 	}
 }
 
 /**
+ * ipr_update_ata_class - Update the ata class in the resource entry
+ * @res:	resource entry struct
+ * @proto:	cfgte device bus protocol value
+ *
+ * Return value:
+ * 	none
+ **/
+static void ipr_update_ata_class(struct ipr_resource_entry *res, unsigned int proto)
+{
+	switch(proto) {
+	case IPR_PROTO_SATA:
+	case IPR_PROTO_SAS_STP:
+		res->ata_class = ATA_DEV_ATA;
+		break;
+	case IPR_PROTO_SATA_ATAPI:
+	case IPR_PROTO_SAS_STP_ATAPI:
+		res->ata_class = ATA_DEV_ATAPI;
+		break;
+	default:
+		res->ata_class = ATA_DEV_UNKNOWN;
+		break;
+	};
+}
+
+/**
  * ipr_init_res_entry - Initialize a resource entry struct.
  * @res:	resource entry struct
+ * @cfgtew:	config table entry wrapper struct
  *
  * Return value:
  * 	none
  **/
-static void ipr_init_res_entry(struct ipr_resource_entry *res)
+static void ipr_init_res_entry(struct ipr_resource_entry *res,
+			       struct ipr_config_table_entry_wrapper *cfgtew)
 {
+	int found = 0;
+	unsigned int proto;
+	struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg;
+	struct ipr_resource_entry *gscsi_res = NULL;
+
 	res->needs_sync_complete = 0;
 	res->in_erp = 0;
 	res->add_to_ml = 0;
@@ -840,6 +1034,205 @@ static void ipr_init_res_entry(struct ipr_resource_entry *res)
 	res->resetting_device = 0;
 	res->sdev = NULL;
 	res->sata_port = NULL;
+
+	if (ioa_cfg->sis64) {
+		proto = cfgtew->u.cfgte64->proto;
+		res->res_flags = cfgtew->u.cfgte64->res_flags;
+		res->qmodel = IPR_QUEUEING_MODEL64(res);
+		res->type = cfgtew->u.cfgte64->res_type & 0x0f;
+
+		memcpy(res->res_path, &cfgtew->u.cfgte64->res_path,
+			sizeof(res->res_path));
+
+		res->bus = 0;
+		res->lun = scsilun_to_int(&res->dev_lun);
+
+		if (res->type == IPR_RES_TYPE_GENERIC_SCSI) {
+			list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue) {
+				if (gscsi_res->dev_id == cfgtew->u.cfgte64->dev_id) {
+					found = 1;
+					res->target = gscsi_res->target;
+					break;
+				}
+			}
+			if (!found) {
+				res->target = find_first_zero_bit(ioa_cfg->target_ids,
+								  ioa_cfg->max_devs_supported);
+				set_bit(res->target, ioa_cfg->target_ids);
+			}
+
+			memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun,
+				sizeof(res->dev_lun.scsi_lun));
+		} else if (res->type == IPR_RES_TYPE_IOAFP) {
+			res->bus = IPR_IOAFP_VIRTUAL_BUS;
+			res->target = 0;
+		} else if (res->type == IPR_RES_TYPE_ARRAY) {
+			res->bus = IPR_ARRAY_VIRTUAL_BUS;
+			res->target = find_first_zero_bit(ioa_cfg->array_ids,
+							  ioa_cfg->max_devs_supported);
+			set_bit(res->target, ioa_cfg->array_ids);
+		} else if (res->type == IPR_RES_TYPE_VOLUME_SET) {
+			res->bus = IPR_VSET_VIRTUAL_BUS;
+			res->target = find_first_zero_bit(ioa_cfg->vset_ids,
+							  ioa_cfg->max_devs_supported);
+			set_bit(res->target, ioa_cfg->vset_ids);
+		} else {
+			res->target = find_first_zero_bit(ioa_cfg->target_ids,
+							  ioa_cfg->max_devs_supported);
+			set_bit(res->target, ioa_cfg->target_ids);
+		}
+	} else {
+		proto = cfgtew->u.cfgte->proto;
+		res->qmodel = IPR_QUEUEING_MODEL(res);
+		res->flags = cfgtew->u.cfgte->flags;
+		if (res->flags & IPR_IS_IOA_RESOURCE)
+			res->type = IPR_RES_TYPE_IOAFP;
+		else
+			res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f;
+
+		res->bus = cfgtew->u.cfgte->res_addr.bus;
+		res->target = cfgtew->u.cfgte->res_addr.target;
+		res->lun = cfgtew->u.cfgte->res_addr.lun;
+	}
+
+	ipr_update_ata_class(res, proto);
+}
+
+/**
+ * ipr_is_same_device - Determine if two devices are the same.
+ * @res:	resource entry struct
+ * @cfgtew:	config table entry wrapper struct
+ *
+ * Return value:
+ * 	1 if the devices are the same / 0 otherwise
+ **/
+static int ipr_is_same_device(struct ipr_resource_entry *res,
+			      struct ipr_config_table_entry_wrapper *cfgtew)
+{
+	if (res->ioa_cfg->sis64) {
+		if (!memcmp(&res->dev_id, &cfgtew->u.cfgte64->dev_id,
+					sizeof(cfgtew->u.cfgte64->dev_id)) &&
+			!memcmp(&res->lun, &cfgtew->u.cfgte64->lun,
+					sizeof(cfgtew->u.cfgte64->lun))) {
+			return 1;
+		}
+	} else {
+		if (res->bus == cfgtew->u.cfgte->res_addr.bus &&
+		    res->target == cfgtew->u.cfgte->res_addr.target &&
+		    res->lun == cfgtew->u.cfgte->res_addr.lun)
+			return 1;
+	}
+
+	return 0;
+}
+
+/**
+ * ipr_format_resource_path - Format the resource path for printing.
+ * @res_path:	resource path
+ * @buf:	buffer
+ *
+ * Return value:
+ * 	pointer to buffer
+ **/
+static char *ipr_format_resource_path(u8 *res_path, char *buffer)
+{
+	int i;
+
+	sprintf(buffer, "%02X", res_path[0]);
+	for (i=1; res_path[i] != 0xff; i++)
+		sprintf(buffer, "%s-%02X", buffer, res_path[i]);
+
+	return buffer;
+}
+
+/**
+ * ipr_update_res_entry - Update the resource entry.
+ * @res:	resource entry struct
+ * @cfgtew:	config table entry wrapper struct
+ *
+ * Return value:
+ *      none
+ **/
+static void ipr_update_res_entry(struct ipr_resource_entry *res,
+				 struct ipr_config_table_entry_wrapper *cfgtew)
+{
+	char buffer[IPR_MAX_RES_PATH_LENGTH];
+	unsigned int proto;
+	int new_path = 0;
+
+	if (res->ioa_cfg->sis64) {
+		res->flags = cfgtew->u.cfgte64->flags;
+		res->res_flags = cfgtew->u.cfgte64->res_flags;
+		res->type = cfgtew->u.cfgte64->res_type & 0x0f;
+
+		memcpy(&res->std_inq_data, &cfgtew->u.cfgte64->std_inq_data,
+			sizeof(struct ipr_std_inq_data));
+
+		res->qmodel = IPR_QUEUEING_MODEL64(res);
+		proto = cfgtew->u.cfgte64->proto;
+		res->res_handle = cfgtew->u.cfgte64->res_handle;
+		res->dev_id = cfgtew->u.cfgte64->dev_id;
+
+		memcpy(&res->dev_lun.scsi_lun, &cfgtew->u.cfgte64->lun,
+			sizeof(res->dev_lun.scsi_lun));
+
+		if (memcmp(res->res_path, &cfgtew->u.cfgte64->res_path,
+					sizeof(res->res_path))) {
+			memcpy(res->res_path, &cfgtew->u.cfgte64->res_path,
+				sizeof(res->res_path));
+			new_path = 1;
+		}
+
+		if (res->sdev && new_path)
+			sdev_printk(KERN_INFO, res->sdev, "Resource path: %s\n",
+				    ipr_format_resource_path(&res->res_path[0], &buffer[0]));
+	} else {
+		res->flags = cfgtew->u.cfgte->flags;
+		if (res->flags & IPR_IS_IOA_RESOURCE)
+			res->type = IPR_RES_TYPE_IOAFP;
+		else
+			res->type = cfgtew->u.cfgte->rsvd_subtype & 0x0f;
+
+		memcpy(&res->std_inq_data, &cfgtew->u.cfgte->std_inq_data,
+			sizeof(struct ipr_std_inq_data));
+
+		res->qmodel = IPR_QUEUEING_MODEL(res);
+		proto = cfgtew->u.cfgte->proto;
+		res->res_handle = cfgtew->u.cfgte->res_handle;
+	}
+
+	ipr_update_ata_class(res, proto);
+}
+
+/**
+ * ipr_clear_res_target - Clear the bit in the bit map representing the target
+ * 			  for the resource.
+ * @res:	resource entry struct
+ * @cfgtew:	config table entry wrapper struct
+ *
+ * Return value:
+ *      none
+ **/
+static void ipr_clear_res_target(struct ipr_resource_entry *res)
+{
+	struct ipr_resource_entry *gscsi_res = NULL;
+	struct ipr_ioa_cfg *ioa_cfg = res->ioa_cfg;
+
+	if (!ioa_cfg->sis64)
+		return;
+
+	if (res->bus == IPR_ARRAY_VIRTUAL_BUS)
+		clear_bit(res->target, ioa_cfg->array_ids);
+	else if (res->bus == IPR_VSET_VIRTUAL_BUS)
+		clear_bit(res->target, ioa_cfg->vset_ids);
+	else if (res->bus == 0 && res->type == IPR_RES_TYPE_GENERIC_SCSI) {
+		list_for_each_entry(gscsi_res, &ioa_cfg->used_res_q, queue)
+			if (gscsi_res->dev_id == res->dev_id && gscsi_res != res)
+				return;
+		clear_bit(res->target, ioa_cfg->target_ids);
+
+	} else if (res->bus == 0)
+		clear_bit(res->target, ioa_cfg->target_ids);
 }
 
 /**
@@ -851,17 +1244,24 @@ static void ipr_init_res_entry(struct ipr_resource_entry *res)
  * 	none
  **/
 static void ipr_handle_config_change(struct ipr_ioa_cfg *ioa_cfg,
-			      struct ipr_hostrcb *hostrcb)
+				     struct ipr_hostrcb *hostrcb)
 {
 	struct ipr_resource_entry *res = NULL;
-	struct ipr_config_table_entry *cfgte;
+	struct ipr_config_table_entry_wrapper cfgtew;
+	__be32 cc_res_handle;
+
 	u32 is_ndn = 1;
 
-	cfgte = &hostrcb->hcam.u.ccn.cfgte;
+	if (ioa_cfg->sis64) {
+		cfgtew.u.cfgte64 = &hostrcb->hcam.u.ccn.u.cfgte64;
+		cc_res_handle = cfgtew.u.cfgte64->res_handle;
+	} else {
+		cfgtew.u.cfgte = &hostrcb->hcam.u.ccn.u.cfgte;
+		cc_res_handle = cfgtew.u.cfgte->res_handle;
+	}
 
 	list_for_each_entry(res, &ioa_cfg->used_res_q, queue) {
-		if (!memcmp(&res->cfgte.res_addr, &cfgte->res_addr,
-			    sizeof(cfgte->res_addr))) {
+		if (res->res_handle == cc_res_handle) {
 			is_ndn = 0;
 			break;
 		}
@@ -879,20 +1279,22 @@ static void ipr_handle_config_change(struct ipr_ioa_cfg *ioa_cfg,
 				 struct ipr_resource_entry, queue);
 
 		list_del(&res->queue);
-		ipr_init_res_entry(res);
+		ipr_init_res_entry(res, &cfgtew);
 		list_add_tail(&res->queue, &ioa_cfg->used_res_q);
 	}
 
-	memcpy(&res->cfgte, cfgte, sizeof(struct ipr_config_table_entry));
+	ipr_update_res_entry(res, &cfgtew);
 
 	if (hostrcb->hcam.notify_type == IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY) {
 		if (res->sdev) {
 			res->del_from_ml = 1;
-			res->cfgte.res_handle = IPR_INVALID_RES_HANDLE;
+			res->res_handle = IPR_INVALID_RES_HANDLE;
 			if (ioa_cfg->allow_ml_add_del)
 				schedule_work(&ioa_cfg->work_q);
-		} else
+		} else {
+			ipr_clear_res_target(res);
 			list_move_tail(&res->queue, &ioa_cfg->free_res_q);
+		}
 	} else if (!res->sdev) {
 		res->add_to_ml = 1;
 		if (ioa_cfg->allow_ml_add_del)
@@ -1044,8 +1446,12 @@ static void ipr_log_ext_vpd(struct ipr_ext_vpd *vpd)
 static void ipr_log_enhanced_cache_error(struct ipr_ioa_cfg *ioa_cfg,
 					 struct ipr_hostrcb *hostrcb)
 {
-	struct ipr_hostrcb_type_12_error *error =
-		&hostrcb->hcam.u.error.u.type_12_error;
+	struct ipr_hostrcb_type_12_error *error;
+
+	if (ioa_cfg->sis64)
+		error = &hostrcb->hcam.u.error64.u.type_12_error;
+	else
+		error = &hostrcb->hcam.u.error.u.type_12_error;
 
 	ipr_err("-----Current Configuration-----\n");
 	ipr_err("Cache Directory Card Information:\n");
@@ -1138,6 +1544,48 @@ static void ipr_log_enhanced_config_error(struct ipr_ioa_cfg *ioa_cfg,
 }
 
 /**
+ * ipr_log_sis64_config_error - Log a device error.
+ * @ioa_cfg:	ioa config struct
+ * @hostrcb:	hostrcb struct
+ *
+ * Return value:
+ * 	none
+ **/
+static void ipr_log_sis64_config_error(struct ipr_ioa_cfg *ioa_cfg,
+				       struct ipr_hostrcb *hostrcb)
+{
+	int errors_logged, i;
+	struct ipr_hostrcb64_device_data_entry_enhanced *dev_entry;
+	struct ipr_hostrcb_type_23_error *error;
+	char buffer[IPR_MAX_RES_PATH_LENGTH];
+
+	error = &hostrcb->hcam.u.error64.u.type_23_error;
+	errors_logged = be32_to_cpu(error->errors_logged);
+
+	ipr_err("Device Errors Detected/Logged: %d/%d\n",
+		be32_to_cpu(error->errors_detected), errors_logged);
+
+	dev_entry = error->dev;
+
+	for (i = 0; i < errors_logged; i++, dev_entry++) {
+		ipr_err_separator;
+
+		ipr_err("Device %d : %s", i + 1,
+			 ipr_format_resource_path(&dev_entry->res_path[0], &buffer[0]));
+		ipr_log_ext_vpd(&dev_entry->vpd);
+
+		ipr_err("-----New Device Information-----\n");
+		ipr_log_ext_vpd(&dev_entry->new_vpd);
+
+		ipr_err("Cache Directory Card Information:\n");
+		ipr_log_ext_vpd(&dev_entry->ioa_last_with_dev_vpd);
+
+		ipr_err("Adapter Card Information:\n");
+		ipr_log_ext_vpd(&dev_entry->cfc_last_with_dev_vpd);
+	}
+}
+
+/**
  * ipr_log_config_error - Log a configuration error.
  * @ioa_cfg:	ioa config struct
  * @hostrcb:	hostrcb struct
@@ -1331,7 +1779,11 @@ static void ipr_log_enhanced_dual_ioa_error(struct ipr_ioa_cfg *ioa_cfg,
 {
 	struct ipr_hostrcb_type_17_error *error;
 
-	error = &hostrcb->hcam.u.error.u.type_17_error;
+	if (ioa_cfg->sis64)
+		error = &hostrcb->hcam.u.error64.u.type_17_error;
+	else
+		error = &hostrcb->hcam.u.error.u.type_17_error;
+
 	error->failure_reason[sizeof(error->failure_reason) - 1] = '\0';
 	strim(error->failure_reason);
 
@@ -1438,6 +1890,42 @@ static void ipr_log_fabric_path(struct ipr_hostrcb *hostrcb,
 		fabric->ioa_port, fabric->cascaded_expander, fabric->phy);
 }
 
+/**
+ * ipr_log64_fabric_path - Log a fabric path error
+ * @hostrcb:	hostrcb struct
+ * @fabric:		fabric descriptor
+ *
+ * Return value:
+ * 	none
+ **/
+static void ipr_log64_fabric_path(struct ipr_hostrcb *hostrcb,
+				  struct ipr_hostrcb64_fabric_desc *fabric)
+{
+	int i, j;
+	u8 path_state = fabric->path_state;
+	u8 active = path_state & IPR_PATH_ACTIVE_MASK;
+	u8 state = path_state & IPR_PATH_STATE_MASK;
+	char buffer[IPR_MAX_RES_PATH_LENGTH];
+
+	for (i = 0; i < ARRAY_SIZE(path_active_desc); i++) {
+		if (path_active_desc[i].active != active)
+			continue;
+
+		for (j = 0; j < ARRAY_SIZE(path_state_desc); j++) {
+			if (path_state_desc[j].state != state)
+				continue;
+
+			ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s\n",
+				     path_active_desc[i].desc, path_state_desc[j].desc,
+				     ipr_format_resource_path(&fabric->res_path[0], &buffer[0]));
+			return;
+		}
+	}
+
+	ipr_err("Path state=%02X Resource Path=%s\n", path_state,
+		ipr_format_resource_path(&fabric->res_path[0], &buffer[0]));
+}
+
 static const struct {
 	u8 type;
 	char *desc;
@@ -1547,6 +2035,49 @@ static void ipr_log_path_elem(struct ipr_hostrcb *hostrcb,
 }
 
 /**
+ * ipr_log64_path_elem - Log a fabric path element.
+ * @hostrcb:	hostrcb struct
+ * @cfg:		fabric path element struct
+ *
+ * Return value:
+ * 	none
+ **/
+static void ipr_log64_path_elem(struct ipr_hostrcb *hostrcb,
+				struct ipr_hostrcb64_config_element *cfg)
+{
+	int i, j;
+	u8 desc_id = cfg->descriptor_id & IPR_DESCRIPTOR_MASK;
+	u8 type = cfg->type_status & IPR_PATH_CFG_TYPE_MASK;
+	u8 status = cfg->type_status & IPR_PATH_CFG_STATUS_MASK;
+	char buffer[IPR_MAX_RES_PATH_LENGTH];
+
+	if (type == IPR_PATH_CFG_NOT_EXIST || desc_id != IPR_DESCRIPTOR_SIS64)
+		return;
+
+	for (i = 0; i < ARRAY_SIZE(path_type_desc); i++) {
+		if (path_type_desc[i].type != type)
+			continue;
+
+		for (j = 0; j < ARRAY_SIZE(path_status_desc); j++) {
+			if (path_status_desc[j].status != status)
+				continue;
+
+			ipr_hcam_err(hostrcb, "%s %s: Resource Path=%s, Link rate=%s, WWN=%08X%08X\n",
+				     path_status_desc[j].desc, path_type_desc[i].desc,
+				     ipr_format_resource_path(&cfg->res_path[0], &buffer[0]),
+				     link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+				     be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+			return;
+		}
+	}
+	ipr_hcam_err(hostrcb, "Path element=%02X: Resource Path=%s, Link rate=%s "
+		     "WWN=%08X%08X\n", cfg->type_status,
+		     ipr_format_resource_path(&cfg->res_path[0], &buffer[0]),
+		     link_rate[cfg->link_rate & IPR_PHY_LINK_RATE_MASK],
+		     be32_to_cpu(cfg->wwid[0]), be32_to_cpu(cfg->wwid[1]));
+}
+
+/**
  * ipr_log_fabric_error - Log a fabric error.
  * @ioa_cfg:	ioa config struct
  * @hostrcb:	hostrcb struct
@@ -1584,6 +2115,96 @@ static void ipr_log_fabric_error(struct ipr_ioa_cfg *ioa_cfg,
 }
 
 /**
+ * ipr_log_sis64_array_error - Log a sis64 array error.
+ * @ioa_cfg:	ioa config struct
+ * @hostrcb:	hostrcb struct
+ *
+ * Return value:
+ * 	none
+ **/
+static void ipr_log_sis64_array_error(struct ipr_ioa_cfg *ioa_cfg,
+				      struct ipr_hostrcb *hostrcb)
+{
+	int i, num_entries;
+	struct ipr_hostrcb_type_24_error *error;
+	struct ipr_hostrcb64_array_data_entry *array_entry;
+	char buffer[IPR_MAX_RES_PATH_LENGTH];
+	const u8 zero_sn[IPR_SERIAL_NUM_LEN] = { [0 ... IPR_SERIAL_NUM_LEN-1] = '0' };
+
+	error = &hostrcb->hcam.u.error64.u.type_24_error;
+
+	ipr_err_separator;
+
+	ipr_err("RAID %s Array Configuration: %s\n",
+		error->protection_level,
+		ipr_format_resource_path(&error->last_res_path[0], &buffer[0]));
+
+	ipr_err_separator;
+
+	array_entry = error->array_member;
+	num_entries = min_t(u32, be32_to_cpu(error->num_entries),
+			    sizeof(error->array_member));
+
+	for (i = 0; i < num_entries; i++, array_entry++) {
+
+		if (!memcmp(array_entry->vpd.vpd.sn, zero_sn, IPR_SERIAL_NUM_LEN))
+			continue;
+
+		if (error->exposed_mode_adn == i)
+			ipr_err("Exposed Array Member %d:\n", i);
+		else
+			ipr_err("Array Member %d:\n", i);
+
+		ipr_err("Array Member %d:\n", i);
+		ipr_log_ext_vpd(&array_entry->vpd);
+		ipr_err("Current Location: %s",
+			 ipr_format_resource_path(&array_entry->res_path[0], &buffer[0]));
+		ipr_err("Expected Location: %s",
+			 ipr_format_resource_path(&array_entry->expected_res_path[0], &buffer[0]));
+
+		ipr_err_separator;
+	}
+}
+
+/**
+ * ipr_log_sis64_fabric_error - Log a sis64 fabric error.
+ * @ioa_cfg:	ioa config struct
+ * @hostrcb:	hostrcb struct
+ *
+ * Return value:
+ * 	none
+ **/
+static void ipr_log_sis64_fabric_error(struct ipr_ioa_cfg *ioa_cfg,
+				       struct ipr_hostrcb *hostrcb)
+{
+	struct ipr_hostrcb_type_30_error *error;
+	struct ipr_hostrcb64_fabric_desc *fabric;
+	struct ipr_hostrcb64_config_element *cfg;
+	int i, add_len;
+
+	error = &hostrcb->hcam.u.error64.u.type_30_error;
+
+	error->failure_reason[sizeof(error->failure_reason) - 1] = '\0';
+	ipr_hcam_err(hostrcb, "%s\n", error->failure_reason);
+
+	add_len = be32_to_cpu(hostrcb->hcam.length) -
+		(offsetof(struct ipr_hostrcb64_error, u) +
+		 offsetof(struct ipr_hostrcb_type_30_error, desc));
+
+	for (i = 0, fabric = error->desc; i < error->num_entries; i++) {
+		ipr_log64_fabric_path(hostrcb, fabric);
+		for_each_fabric_cfg(fabric, cfg)
+			ipr_log64_path_elem(hostrcb, cfg);
+
+		add_len -= be16_to_cpu(fabric->length);
+		fabric = (struct ipr_hostrcb64_fabric_desc *)
+			((unsigned long)fabric + be16_to_cpu(fabric->length));
+	}
+
+	ipr_log_hex_data(ioa_cfg, (u32 *)fabric, add_len);
+}
+
+/**
  * ipr_log_generic_error - Log an adapter error.
  * @ioa_cfg:	ioa config struct
  * @hostrcb:	hostrcb struct
@@ -1642,13 +2263,16 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg,
 	if (hostrcb->hcam.notifications_lost == IPR_HOST_RCB_NOTIFICATIONS_LOST)
 		dev_err(&ioa_cfg->pdev->dev, "Error notifications lost\n");
 
-	ioasc = be32_to_cpu(hostrcb->hcam.u.error.failing_dev_ioasc);
+	if (ioa_cfg->sis64)
+		ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc);
+	else
+		ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc);
 
-	if (ioasc == IPR_IOASC_BUS_WAS_RESET ||
-	    ioasc == IPR_IOASC_BUS_WAS_RESET_BY_OTHER) {
+	if (!ioa_cfg->sis64 && (ioasc == IPR_IOASC_BUS_WAS_RESET ||
+	    ioasc == IPR_IOASC_BUS_WAS_RESET_BY_OTHER)) {
 		/* Tell the midlayer we had a bus reset so it will handle the UA properly */
 		scsi_report_bus_reset(ioa_cfg->host,
-				      hostrcb->hcam.u.error.failing_dev_res_addr.bus);
+				      hostrcb->hcam.u.error.fd_res_addr.bus);
 	}
 
 	error_index = ipr_get_error(ioasc);
@@ -1696,6 +2320,16 @@ static void ipr_handle_log_data(struct ipr_ioa_cfg *ioa_cfg,
 	case IPR_HOST_RCB_OVERLAY_ID_20:
 		ipr_log_fabric_error(ioa_cfg, hostrcb);
 		break;
+	case IPR_HOST_RCB_OVERLAY_ID_23:
+		ipr_log_sis64_config_error(ioa_cfg, hostrcb);
+		break;
+	case IPR_HOST_RCB_OVERLAY_ID_24:
+	case IPR_HOST_RCB_OVERLAY_ID_26:
+		ipr_log_sis64_array_error(ioa_cfg, hostrcb);
+		break;
+	case IPR_HOST_RCB_OVERLAY_ID_30:
+		ipr_log_sis64_fabric_error(ioa_cfg, hostrcb);
+		break;
 	case IPR_HOST_RCB_OVERLAY_ID_1:
 	case IPR_HOST_RCB_OVERLAY_ID_DEFAULT:
 	default:
@@ -1720,7 +2354,12 @@ static void ipr_process_error(struct ipr_cmnd *ipr_cmd)
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
 	struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb;
 	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
-	u32 fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error.failing_dev_ioasc);
+	u32 fd_ioasc;
+
+	if (ioa_cfg->sis64)
+		fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error64.fd_ioasc);
+	else
+		fd_ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc);
 
 	list_del(&hostrcb->queue);
 	list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
@@ -1845,12 +2484,14 @@ static const struct ipr_ses_table_entry *
 ipr_find_ses_entry(struct ipr_resource_entry *res)
 {
 	int i, j, matches;
+	struct ipr_std_inq_vpids *vpids;
 	const struct ipr_ses_table_entry *ste = ipr_ses_table;
 
 	for (i = 0; i < ARRAY_SIZE(ipr_ses_table); i++, ste++) {
 		for (j = 0, matches = 0; j < IPR_PROD_ID_LEN; j++) {
 			if (ste->compare_product_id_byte[j] == 'X') {
-				if (res->cfgte.std_inq_data.vpids.product_id[j] == ste->product_id[j])
+				vpids = &res->std_inq_data.vpids;
+				if (vpids->product_id[j] == ste->product_id[j])
 					matches++;
 				else
 					break;
@@ -1885,10 +2526,10 @@ static u32 ipr_get_max_scsi_speed(struct ipr_ioa_cfg *ioa_cfg, u8 bus, u8 bus_wi
 
 	/* Loop through each config table entry in the config table buffer */
 	list_for_each_entry(res, &ioa_cfg->used_res_q, queue) {
-		if (!(IPR_IS_SES_DEVICE(res->cfgte.std_inq_data)))
+		if (!(IPR_IS_SES_DEVICE(res->std_inq_data)))
 			continue;
 
-		if (bus != res->cfgte.res_addr.bus)
+		if (bus != res->bus)
 			continue;
 
 		if (!(ste = ipr_find_ses_entry(res)))
@@ -1934,6 +2575,31 @@ static int ipr_wait_iodbg_ack(struct ipr_ioa_cfg *ioa_cfg, int max_delay)
 }
 
 /**
+ * ipr_get_sis64_dump_data_section - Dump IOA memory
+ * @ioa_cfg:			ioa config struct
+ * @start_addr:			adapter address to dump
+ * @dest:			destination kernel buffer
+ * @length_in_words:		length to dump in 4 byte words
+ *
+ * Return value:
+ * 	0 on success
+ **/
+static int ipr_get_sis64_dump_data_section(struct ipr_ioa_cfg *ioa_cfg,
+					   u32 start_addr,
+					   __be32 *dest, u32 length_in_words)
+{
+	int i;
+
+	for (i = 0; i < length_in_words; i++) {
+		writel(start_addr+(i*4), ioa_cfg->regs.dump_addr_reg);
+		*dest = cpu_to_be32(readl(ioa_cfg->regs.dump_data_reg));
+		dest++;
+	}
+
+	return 0;
+}
+
+/**
  * ipr_get_ldump_data_section - Dump IOA memory
  * @ioa_cfg:			ioa config struct
  * @start_addr:			adapter address to dump
@@ -1950,9 +2616,13 @@ static int ipr_get_ldump_data_section(struct ipr_ioa_cfg *ioa_cfg,
 	volatile u32 temp_pcii_reg;
 	int i, delay = 0;
 
+	if (ioa_cfg->sis64)
+		return ipr_get_sis64_dump_data_section(ioa_cfg, start_addr,
+						       dest, length_in_words);
+
 	/* Write IOA interrupt reg starting LDUMP state  */
 	writel((IPR_UPROCI_RESET_ALERT | IPR_UPROCI_IO_DEBUG_ALERT),
-	       ioa_cfg->regs.set_uproc_interrupt_reg);
+	       ioa_cfg->regs.set_uproc_interrupt_reg32);
 
 	/* Wait for IO debug acknowledge */
 	if (ipr_wait_iodbg_ack(ioa_cfg,
@@ -1971,7 +2641,7 @@ static int ipr_get_ldump_data_section(struct ipr_ioa_cfg *ioa_cfg,
 
 	/* Signal address valid - clear IOA Reset alert */
 	writel(IPR_UPROCI_RESET_ALERT,
-	       ioa_cfg->regs.clr_uproc_interrupt_reg);
+	       ioa_cfg->regs.clr_uproc_interrupt_reg32);
 
 	for (i = 0; i < length_in_words; i++) {
 		/* Wait for IO debug acknowledge */
@@ -1996,10 +2666,10 @@ static int ipr_get_ldump_data_section(struct ipr_ioa_cfg *ioa_cfg,
 
 	/* Signal end of block transfer. Set reset alert then clear IO debug ack */
 	writel(IPR_UPROCI_RESET_ALERT,
-	       ioa_cfg->regs.set_uproc_interrupt_reg);
+	       ioa_cfg->regs.set_uproc_interrupt_reg32);
 
 	writel(IPR_UPROCI_IO_DEBUG_ALERT,
-	       ioa_cfg->regs.clr_uproc_interrupt_reg);
+	       ioa_cfg->regs.clr_uproc_interrupt_reg32);
 
 	/* Signal dump data received - Clear IO debug Ack */
 	writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE,
@@ -2008,7 +2678,7 @@ static int ipr_get_ldump_data_section(struct ipr_ioa_cfg *ioa_cfg,
 	/* Wait for IOA to signal LDUMP exit - IOA reset alert will be cleared */
 	while (delay < IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC) {
 		temp_pcii_reg =
-		    readl(ioa_cfg->regs.sense_uproc_interrupt_reg);
+		    readl(ioa_cfg->regs.sense_uproc_interrupt_reg32);
 
 		if (!(temp_pcii_reg & IPR_UPROCI_RESET_ALERT))
 			return 0;
@@ -2207,6 +2877,7 @@ static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump)
 	u32 num_entries, start_off, end_off;
 	u32 bytes_to_copy, bytes_copied, rc;
 	struct ipr_sdt *sdt;
+	int valid = 1;
 	int i;
 
 	ENTER;
@@ -2220,7 +2891,7 @@ static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump)
 
 	start_addr = readl(ioa_cfg->ioa_mailbox);
 
-	if (!ipr_sdt_is_fmt2(start_addr)) {
+	if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(start_addr)) {
 		dev_err(&ioa_cfg->pdev->dev,
 			"Invalid dump table format: %lx\n", start_addr);
 		spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
@@ -2249,7 +2920,6 @@ static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump)
 
 	/* IOA Dump entry */
 	ipr_init_dump_entry_hdr(&ioa_dump->hdr);
-	ioa_dump->format = IPR_SDT_FMT2;
 	ioa_dump->hdr.len = 0;
 	ioa_dump->hdr.data_type = IPR_DUMP_DATA_TYPE_BINARY;
 	ioa_dump->hdr.id = IPR_DUMP_IOA_DUMP_ID;
@@ -2264,7 +2934,8 @@ static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump)
 					sizeof(struct ipr_sdt) / sizeof(__be32));
 
 	/* Smart Dump table is ready to use and the first entry is valid */
-	if (rc || (be32_to_cpu(sdt->hdr.state) != IPR_FMT2_SDT_READY_TO_USE)) {
+	if (rc || ((be32_to_cpu(sdt->hdr.state) != IPR_FMT3_SDT_READY_TO_USE) &&
+	    (be32_to_cpu(sdt->hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) {
 		dev_err(&ioa_cfg->pdev->dev,
 			"Dump of IOA failed. Dump table not valid: %d, %X.\n",
 			rc, be32_to_cpu(sdt->hdr.state));
@@ -2288,12 +2959,19 @@ static void ipr_get_ioa_dump(struct ipr_ioa_cfg *ioa_cfg, struct ipr_dump *dump)
 		}
 
 		if (sdt->entry[i].flags & IPR_SDT_VALID_ENTRY) {
-			sdt_word = be32_to_cpu(sdt->entry[i].bar_str_offset);
-			start_off = sdt_word & IPR_FMT2_MBX_ADDR_MASK;
-			end_off = be32_to_cpu(sdt->entry[i].end_offset);
-
-			if (ipr_sdt_is_fmt2(sdt_word) && sdt_word) {
-				bytes_to_copy = end_off - start_off;
+			sdt_word = be32_to_cpu(sdt->entry[i].start_token);
+			if (ioa_cfg->sis64)
+				bytes_to_copy = be32_to_cpu(sdt->entry[i].end_token);
+			else {
+				start_off = sdt_word & IPR_FMT2_MBX_ADDR_MASK;
+				end_off = be32_to_cpu(sdt->entry[i].end_token);
+
+				if (ipr_sdt_is_fmt2(sdt_word) && sdt_word)
+					bytes_to_copy = end_off - start_off;
+				else
+					valid = 0;
+			}
+			if (valid) {
 				if (bytes_to_copy > IPR_MAX_IOA_DUMP_SIZE) {
 					sdt->entry[i].flags &= ~IPR_SDT_VALID_ENTRY;
 					continue;
@@ -2422,9 +3100,9 @@ restart:
 
 	list_for_each_entry(res, &ioa_cfg->used_res_q, queue) {
 		if (res->add_to_ml) {
-			bus = res->cfgte.res_addr.bus;
-			target = res->cfgte.res_addr.target;
-			lun = res->cfgte.res_addr.lun;
+			bus = res->bus;
+			target = res->target;
+			lun = res->lun;
 			res->add_to_ml = 0;
 			spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
 			scsi_add_device(ioa_cfg->host, bus, target, lun);
@@ -2478,105 +3156,6 @@ static struct bin_attribute ipr_trace_attr = {
 };
 #endif
 
-static const struct {
-	enum ipr_cache_state state;
-	char *name;
-} cache_state [] = {
-	{ CACHE_NONE, "none" },
-	{ CACHE_DISABLED, "disabled" },
-	{ CACHE_ENABLED, "enabled" }
-};
-
-/**
- * ipr_show_write_caching - Show the write caching attribute
- * @dev:	device struct
- * @buf:	buffer
- *
- * Return value:
- *	number of bytes printed to buffer
- **/
-static ssize_t ipr_show_write_caching(struct device *dev,
-				      struct device_attribute *attr, char *buf)
-{
-	struct Scsi_Host *shost = class_to_shost(dev);
-	struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata;
-	unsigned long lock_flags = 0;
-	int i, len = 0;
-
-	spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
-	for (i = 0; i < ARRAY_SIZE(cache_state); i++) {
-		if (cache_state[i].state == ioa_cfg->cache_state) {
-			len = snprintf(buf, PAGE_SIZE, "%s\n", cache_state[i].name);
-			break;
-		}
-	}
-	spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
-	return len;
-}
-
-
-/**
- * ipr_store_write_caching - Enable/disable adapter write cache
- * @dev:	device struct
- * @buf:	buffer
- * @count:	buffer size
- *
- * This function will enable/disable adapter write cache.
- *
- * Return value:
- * 	count on success / other on failure
- **/
-static ssize_t ipr_store_write_caching(struct device *dev,
-				       struct device_attribute *attr,
-				       const char *buf, size_t count)
-{
-	struct Scsi_Host *shost = class_to_shost(dev);
-	struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)shost->hostdata;
-	unsigned long lock_flags = 0;
-	enum ipr_cache_state new_state = CACHE_INVALID;
-	int i;
-
-	if (!capable(CAP_SYS_ADMIN))
-		return -EACCES;
-	if (ioa_cfg->cache_state == CACHE_NONE)
-		return -EINVAL;
-
-	for (i = 0; i < ARRAY_SIZE(cache_state); i++) {
-		if (!strncmp(cache_state[i].name, buf, strlen(cache_state[i].name))) {
-			new_state = cache_state[i].state;
-			break;
-		}
-	}
-
-	if (new_state != CACHE_DISABLED && new_state != CACHE_ENABLED)
-		return -EINVAL;
-
-	spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
-	if (ioa_cfg->cache_state == new_state) {
-		spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
-		return count;
-	}
-
-	ioa_cfg->cache_state = new_state;
-	dev_info(&ioa_cfg->pdev->dev, "%s adapter write cache.\n",
-		 new_state == CACHE_ENABLED ? "Enabling" : "Disabling");
-	if (!ioa_cfg->in_reset_reload)
-		ipr_initiate_ioa_reset(ioa_cfg, IPR_SHUTDOWN_NORMAL);
-	spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
-	wait_event(ioa_cfg->reset_wait_q, !ioa_cfg->in_reset_reload);
-
-	return count;
-}
-
-static struct device_attribute ipr_ioa_cache_attr = {
-	.attr = {
-		.name =		"write_cache",
-		.mode =		S_IRUGO | S_IWUSR,
-	},
-	.show = ipr_show_write_caching,
-	.store = ipr_store_write_caching
-};
-
 /**
  * ipr_show_fw_version - Show the firmware version
  * @dev:	class device struct
@@ -2976,6 +3555,37 @@ static int ipr_copy_ucode_buffer(struct ipr_sglist *sglist,
 }
 
 /**
+ * ipr_build_ucode_ioadl64 - Build a microcode download IOADL
+ * @ipr_cmd:		ipr command struct
+ * @sglist:		scatter/gather list
+ *
+ * Builds a microcode download IOA data list (IOADL).
+ *
+ **/
+static void ipr_build_ucode_ioadl64(struct ipr_cmnd *ipr_cmd,
+				    struct ipr_sglist *sglist)
+{
+	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
+	struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64;
+	struct scatterlist *scatterlist = sglist->scatterlist;
+	int i;
+
+	ipr_cmd->dma_use_sg = sglist->num_dma_sg;
+	ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ;
+	ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len);
+
+	ioarcb->ioadl_len =
+		cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg);
+	for (i = 0; i < ipr_cmd->dma_use_sg; i++) {
+		ioadl64[i].flags = cpu_to_be32(IPR_IOADL_FLAGS_WRITE);
+		ioadl64[i].data_len = cpu_to_be32(sg_dma_len(&scatterlist[i]));
+		ioadl64[i].address = cpu_to_be64(sg_dma_address(&scatterlist[i]));
+	}
+
+	ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST);
+}
+
+/**
  * ipr_build_ucode_ioadl - Build a microcode download IOADL
  * @ipr_cmd:	ipr command struct
  * @sglist:		scatter/gather list
@@ -2987,14 +3597,15 @@ static void ipr_build_ucode_ioadl(struct ipr_cmnd *ipr_cmd,
 				  struct ipr_sglist *sglist)
 {
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
-	struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl;
+	struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl;
 	struct scatterlist *scatterlist = sglist->scatterlist;
 	int i;
 
 	ipr_cmd->dma_use_sg = sglist->num_dma_sg;
 	ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ;
-	ioarcb->write_data_transfer_length = cpu_to_be32(sglist->buffer_len);
-	ioarcb->write_ioadl_len =
+	ioarcb->data_transfer_length = cpu_to_be32(sglist->buffer_len);
+
+	ioarcb->ioadl_len =
 		cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg);
 
 	for (i = 0; i < ipr_cmd->dma_use_sg; i++) {
@@ -3146,7 +3757,6 @@ static struct device_attribute *ipr_ioa_attrs[] = {
 	&ipr_ioa_state_attr,
 	&ipr_ioa_reset_attr,
 	&ipr_update_fw_attr,
-	&ipr_ioa_cache_attr,
 	NULL,
 };
 
@@ -3450,7 +4060,7 @@ static ssize_t ipr_show_adapter_handle(struct device *dev, struct device_attribu
 	spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
 	res = (struct ipr_resource_entry *)sdev->hostdata;
 	if (res)
-		len = snprintf(buf, PAGE_SIZE, "%08X\n", res->cfgte.res_handle);
+		len = snprintf(buf, PAGE_SIZE, "%08X\n", res->res_handle);
 	spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
 	return len;
 }
@@ -3463,8 +4073,43 @@ static struct device_attribute ipr_adapter_handle_attr = {
 	.show = ipr_show_adapter_handle
 };
 
+/**
+ * ipr_show_resource_path - Show the resource path for this device.
+ * @dev:	device struct
+ * @buf:	buffer
+ *
+ * Return value:
+ * 	number of bytes printed to buffer
+ **/
+static ssize_t ipr_show_resource_path(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct scsi_device *sdev = to_scsi_device(dev);
+	struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *)sdev->host->hostdata;
+	struct ipr_resource_entry *res;
+	unsigned long lock_flags = 0;
+	ssize_t len = -ENXIO;
+	char buffer[IPR_MAX_RES_PATH_LENGTH];
+
+	spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
+	res = (struct ipr_resource_entry *)sdev->hostdata;
+	if (res)
+		len = snprintf(buf, PAGE_SIZE, "%s\n",
+			       ipr_format_resource_path(&res->res_path[0], &buffer[0]));
+	spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
+	return len;
+}
+
+static struct device_attribute ipr_resource_path_attr = {
+	.attr = {
+		.name = 	"resource_path",
+		.mode =		S_IRUSR,
+	},
+	.show = ipr_show_resource_path
+};
+
 static struct device_attribute *ipr_dev_attrs[] = {
 	&ipr_adapter_handle_attr,
+	&ipr_resource_path_attr,
 	NULL,
 };
 
@@ -3517,9 +4162,9 @@ static struct ipr_resource_entry *ipr_find_starget(struct scsi_target *starget)
 	struct ipr_resource_entry *res;
 
 	list_for_each_entry(res, &ioa_cfg->used_res_q, queue) {
-		if ((res->cfgte.res_addr.bus == starget->channel) &&
-		    (res->cfgte.res_addr.target == starget->id) &&
-		    (res->cfgte.res_addr.lun == 0)) {
+		if ((res->bus == starget->channel) &&
+		    (res->target == starget->id) &&
+		    (res->lun == 0)) {
 			return res;
 		}
 	}
@@ -3589,6 +4234,17 @@ static int ipr_target_alloc(struct scsi_target *starget)
 static void ipr_target_destroy(struct scsi_target *starget)
 {
 	struct ipr_sata_port *sata_port = starget->hostdata;
+	struct Scsi_Host *shost = dev_to_shost(&starget->dev);
+	struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata;
+
+	if (ioa_cfg->sis64) {
+		if (starget->channel == IPR_ARRAY_VIRTUAL_BUS)
+			clear_bit(starget->id, ioa_cfg->array_ids);
+		else if (starget->channel == IPR_VSET_VIRTUAL_BUS)
+			clear_bit(starget->id, ioa_cfg->vset_ids);
+		else if (starget->channel == 0)
+			clear_bit(starget->id, ioa_cfg->target_ids);
+	}
 
 	if (sata_port) {
 		starget->hostdata = NULL;
@@ -3610,9 +4266,9 @@ static struct ipr_resource_entry *ipr_find_sdev(struct scsi_device *sdev)
 	struct ipr_resource_entry *res;
 
 	list_for_each_entry(res, &ioa_cfg->used_res_q, queue) {
-		if ((res->cfgte.res_addr.bus == sdev->channel) &&
-		    (res->cfgte.res_addr.target == sdev->id) &&
-		    (res->cfgte.res_addr.lun == sdev->lun))
+		if ((res->bus == sdev->channel) &&
+		    (res->target == sdev->id) &&
+		    (res->lun == sdev->lun))
 			return res;
 	}
 
@@ -3661,6 +4317,7 @@ static int ipr_slave_configure(struct scsi_device *sdev)
 	struct ipr_resource_entry *res;
 	struct ata_port *ap = NULL;
 	unsigned long lock_flags = 0;
+	char buffer[IPR_MAX_RES_PATH_LENGTH];
 
 	spin_lock_irqsave(ioa_cfg->host->host_lock, lock_flags);
 	res = sdev->hostdata;
@@ -3687,6 +4344,9 @@ static int ipr_slave_configure(struct scsi_device *sdev)
 			ata_sas_slave_configure(sdev, ap);
 		} else
 			scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun);
+		if (ioa_cfg->sis64)
+			sdev_printk(KERN_INFO, sdev, "Resource path: %s\n",
+			            ipr_format_resource_path(&res->res_path[0], &buffer[0]));
 		return 0;
 	}
 	spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
@@ -3828,14 +4488,19 @@ static int ipr_device_reset(struct ipr_ioa_cfg *ioa_cfg,
 	ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg);
 	ioarcb = &ipr_cmd->ioarcb;
 	cmd_pkt = &ioarcb->cmd_pkt;
-	regs = &ioarcb->add_data.u.regs;
 
-	ioarcb->res_handle = res->cfgte.res_handle;
+	if (ipr_cmd->ioa_cfg->sis64) {
+		regs = &ipr_cmd->i.ata_ioadl.regs;
+		ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb));
+	} else
+		regs = &ioarcb->u.add_data.u.regs;
+
+	ioarcb->res_handle = res->res_handle;
 	cmd_pkt->request_type = IPR_RQTYPE_IOACMD;
 	cmd_pkt->cdb[0] = IPR_RESET_DEVICE;
 	if (ipr_is_gata(res)) {
 		cmd_pkt->cdb[2] = IPR_ATA_PHY_RESET;
-		ioarcb->add_cmd_parms_len = cpu_to_be32(sizeof(regs->flags));
+		ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(regs->flags));
 		regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION;
 	}
 
@@ -3880,19 +4545,7 @@ static int ipr_sata_reset(struct ata_link *link, unsigned int *classes,
 	res = sata_port->res;
 	if (res) {
 		rc = ipr_device_reset(ioa_cfg, res);
-		switch(res->cfgte.proto) {
-		case IPR_PROTO_SATA:
-		case IPR_PROTO_SAS_STP:
-			*classes = ATA_DEV_ATA;
-			break;
-		case IPR_PROTO_SATA_ATAPI:
-		case IPR_PROTO_SAS_STP_ATAPI:
-			*classes = ATA_DEV_ATAPI;
-			break;
-		default:
-			*classes = ATA_DEV_UNKNOWN;
-			break;
-		};
+		*classes = res->ata_class;
 	}
 
 	spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
@@ -3937,7 +4590,7 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd * scsi_cmd)
 		return FAILED;
 
 	list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) {
-		if (ipr_cmd->ioarcb.res_handle == res->cfgte.res_handle) {
+		if (ipr_cmd->ioarcb.res_handle == res->res_handle) {
 			if (ipr_cmd->scsi_cmd)
 				ipr_cmd->done = ipr_scsi_eh_done;
 			if (ipr_cmd->qc)
@@ -3959,7 +4612,7 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd * scsi_cmd)
 		spin_lock_irq(scsi_cmd->device->host->host_lock);
 
 		list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) {
-			if (ipr_cmd->ioarcb.res_handle == res->cfgte.res_handle) {
+			if (ipr_cmd->ioarcb.res_handle == res->res_handle) {
 				rc = -EIO;
 				break;
 			}
@@ -3998,13 +4651,13 @@ static void ipr_bus_reset_done(struct ipr_cmnd *ipr_cmd)
 	struct ipr_resource_entry *res;
 
 	ENTER;
-	list_for_each_entry(res, &ioa_cfg->used_res_q, queue) {
-		if (!memcmp(&res->cfgte.res_handle, &ipr_cmd->ioarcb.res_handle,
-			    sizeof(res->cfgte.res_handle))) {
-			scsi_report_bus_reset(ioa_cfg->host, res->cfgte.res_addr.bus);
-			break;
+	if (!ioa_cfg->sis64)
+		list_for_each_entry(res, &ioa_cfg->used_res_q, queue) {
+			if (res->res_handle == ipr_cmd->ioarcb.res_handle) {
+				scsi_report_bus_reset(ioa_cfg->host, res->bus);
+				break;
+			}
 		}
-	}
 
 	/*
 	 * If abort has not completed, indicate the reset has, else call the
@@ -4102,7 +4755,7 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd)
 		return SUCCESS;
 
 	ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg);
-	ipr_cmd->ioarcb.res_handle = res->cfgte.res_handle;
+	ipr_cmd->ioarcb.res_handle = res->res_handle;
 	cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt;
 	cmd_pkt->request_type = IPR_RQTYPE_IOACMD;
 	cmd_pkt->cdb[0] = IPR_CANCEL_ALL_REQUESTS;
@@ -4239,11 +4892,29 @@ static irqreturn_t ipr_isr(int irq, void *devp)
 		return IRQ_NONE;
 	}
 
-	int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
-	int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
+	int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg32);
+	int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32) & ~int_mask_reg;
 
-	/* If an interrupt on the adapter did not occur, ignore it */
+	/* If an interrupt on the adapter did not occur, ignore it.
+	 * Or in the case of SIS 64, check for a stage change interrupt.
+	 */
 	if (unlikely((int_reg & IPR_PCII_OPER_INTERRUPTS) == 0)) {
+		if (ioa_cfg->sis64) {
+			int_mask_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
+			int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
+			if (int_reg & IPR_PCII_IPL_STAGE_CHANGE) {
+
+				/* clear stage change */
+				writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_reg);
+				int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
+				list_del(&ioa_cfg->reset_cmd->queue);
+				del_timer(&ioa_cfg->reset_cmd->timer);
+				ipr_reset_ioa_job(ioa_cfg->reset_cmd);
+				spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
+				return IRQ_HANDLED;
+			}
+		}
+
 		spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
 		return IRQ_NONE;
 	}
@@ -4286,8 +4957,8 @@ static irqreturn_t ipr_isr(int irq, void *devp)
 		if (ipr_cmd != NULL) {
 			/* Clear the PCI interrupt */
 			do {
-				writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg);
-				int_reg = readl(ioa_cfg->regs.sense_interrupt_reg) & ~int_mask_reg;
+				writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32);
+				int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32) & ~int_mask_reg;
 			} while (int_reg & IPR_PCII_HRRQ_UPDATED &&
 					num_hrrq++ < IPR_MAX_HRRQ_RETRIES);
 
@@ -4309,6 +4980,53 @@ static irqreturn_t ipr_isr(int irq, void *devp)
 }
 
 /**
+ * ipr_build_ioadl64 - Build a scatter/gather list and map the buffer
+ * @ioa_cfg:	ioa config struct
+ * @ipr_cmd:	ipr command struct
+ *
+ * Return value:
+ * 	0 on success / -1 on failure
+ **/
+static int ipr_build_ioadl64(struct ipr_ioa_cfg *ioa_cfg,
+			     struct ipr_cmnd *ipr_cmd)
+{
+	int i, nseg;
+	struct scatterlist *sg;
+	u32 length;
+	u32 ioadl_flags = 0;
+	struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
+	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
+	struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64;
+
+	length = scsi_bufflen(scsi_cmd);
+	if (!length)
+		return 0;
+
+	nseg = scsi_dma_map(scsi_cmd);
+	if (nseg < 0) {
+		dev_err(&ioa_cfg->pdev->dev, "pci_map_sg failed!\n");
+		return -1;
+	}
+
+	ipr_cmd->dma_use_sg = nseg;
+
+	if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) {
+		ioadl_flags = IPR_IOADL_FLAGS_WRITE;
+		ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ;
+	} else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE)
+		ioadl_flags = IPR_IOADL_FLAGS_READ;
+
+	scsi_for_each_sg(scsi_cmd, sg, ipr_cmd->dma_use_sg, i) {
+		ioadl64[i].flags = cpu_to_be32(ioadl_flags);
+		ioadl64[i].data_len = cpu_to_be32(sg_dma_len(sg));
+		ioadl64[i].address = cpu_to_be64(sg_dma_address(sg));
+	}
+
+	ioadl64[i-1].flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST);
+	return 0;
+}
+
+/**
  * ipr_build_ioadl - Build a scatter/gather list and map the buffer
  * @ioa_cfg:	ioa config struct
  * @ipr_cmd:	ipr command struct
@@ -4325,7 +5043,7 @@ static int ipr_build_ioadl(struct ipr_ioa_cfg *ioa_cfg,
 	u32 ioadl_flags = 0;
 	struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
-	struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl;
+	struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl;
 
 	length = scsi_bufflen(scsi_cmd);
 	if (!length)
@@ -4342,8 +5060,8 @@ static int ipr_build_ioadl(struct ipr_ioa_cfg *ioa_cfg,
 	if (scsi_cmd->sc_data_direction == DMA_TO_DEVICE) {
 		ioadl_flags = IPR_IOADL_FLAGS_WRITE;
 		ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ;
-		ioarcb->write_data_transfer_length = cpu_to_be32(length);
-		ioarcb->write_ioadl_len =
+		ioarcb->data_transfer_length = cpu_to_be32(length);
+		ioarcb->ioadl_len =
 			cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg);
 	} else if (scsi_cmd->sc_data_direction == DMA_FROM_DEVICE) {
 		ioadl_flags = IPR_IOADL_FLAGS_READ;
@@ -4352,11 +5070,10 @@ static int ipr_build_ioadl(struct ipr_ioa_cfg *ioa_cfg,
 			cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg);
 	}
 
-	if (ipr_cmd->dma_use_sg <= ARRAY_SIZE(ioarcb->add_data.u.ioadl)) {
-		ioadl = ioarcb->add_data.u.ioadl;
-		ioarcb->write_ioadl_addr =
-			cpu_to_be32(be32_to_cpu(ioarcb->ioarcb_host_pci_addr) +
-				    offsetof(struct ipr_ioarcb, add_data));
+	if (ipr_cmd->dma_use_sg <= ARRAY_SIZE(ioarcb->u.add_data.u.ioadl)) {
+		ioadl = ioarcb->u.add_data.u.ioadl;
+		ioarcb->write_ioadl_addr = cpu_to_be32((ipr_cmd->dma_addr) +
+				    offsetof(struct ipr_ioarcb, u.add_data));
 		ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
 	}
 
@@ -4446,18 +5163,24 @@ static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
 	struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
-	dma_addr_t dma_addr = be32_to_cpu(ioarcb->ioarcb_host_pci_addr);
+	dma_addr_t dma_addr = ipr_cmd->dma_addr;
 
 	memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt));
-	ioarcb->write_data_transfer_length = 0;
+	ioarcb->data_transfer_length = 0;
 	ioarcb->read_data_transfer_length = 0;
-	ioarcb->write_ioadl_len = 0;
+	ioarcb->ioadl_len = 0;
 	ioarcb->read_ioadl_len = 0;
 	ioasa->ioasc = 0;
 	ioasa->residual_data_len = 0;
-	ioarcb->write_ioadl_addr =
-		cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, ioadl));
-	ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
+
+	if (ipr_cmd->ioa_cfg->sis64)
+		ioarcb->u.sis64_addr_data.data_ioadl_addr =
+			cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64));
+	else {
+		ioarcb->write_ioadl_addr =
+			cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl));
+		ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
+	}
 }
 
 /**
@@ -4489,15 +5212,8 @@ static void ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd)
 	cmd_pkt->flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK;
 	cmd_pkt->timeout = cpu_to_be16(IPR_REQUEST_SENSE_TIMEOUT / HZ);
 
-	ipr_cmd->ioadl[0].flags_and_data_len =
-		cpu_to_be32(IPR_IOADL_FLAGS_READ_LAST | SCSI_SENSE_BUFFERSIZE);
-	ipr_cmd->ioadl[0].address =
-		cpu_to_be32(ipr_cmd->sense_buffer_dma);
-
-	ipr_cmd->ioarcb.read_ioadl_len =
-		cpu_to_be32(sizeof(struct ipr_ioadl_desc));
-	ipr_cmd->ioarcb.read_data_transfer_length =
-		cpu_to_be32(SCSI_SENSE_BUFFERSIZE);
+	ipr_init_ioadl(ipr_cmd, ipr_cmd->sense_buffer_dma,
+		       SCSI_SENSE_BUFFERSIZE, IPR_IOADL_FLAGS_READ_LAST);
 
 	ipr_do_req(ipr_cmd, ipr_erp_done, ipr_timeout,
 		   IPR_REQUEST_SENSE_TIMEOUT * 2);
@@ -4893,9 +5609,9 @@ static int ipr_queuecommand(struct scsi_cmnd *scsi_cmd,
 
 	memcpy(ioarcb->cmd_pkt.cdb, scsi_cmd->cmnd, scsi_cmd->cmd_len);
 	ipr_cmd->scsi_cmd = scsi_cmd;
-	ioarcb->res_handle = res->cfgte.res_handle;
+	ioarcb->res_handle = res->res_handle;
 	ipr_cmd->done = ipr_scsi_done;
-	ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_PHYS_LOC(res->cfgte.res_addr));
+	ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res));
 
 	if (ipr_is_gscsi(res) || ipr_is_vset_device(res)) {
 		if (scsi_cmd->underflow == 0)
@@ -4916,13 +5632,16 @@ static int ipr_queuecommand(struct scsi_cmnd *scsi_cmd,
 	    (!ipr_is_gscsi(res) || scsi_cmd->cmnd[0] == IPR_QUERY_RSRC_STATE))
 		ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD;
 
-	if (likely(rc == 0))
-		rc = ipr_build_ioadl(ioa_cfg, ipr_cmd);
+	if (likely(rc == 0)) {
+		if (ioa_cfg->sis64)
+			rc = ipr_build_ioadl64(ioa_cfg, ipr_cmd);
+		else
+			rc = ipr_build_ioadl(ioa_cfg, ipr_cmd);
+	}
 
 	if (likely(rc == 0)) {
 		mb();
-		writel(be32_to_cpu(ipr_cmd->ioarcb.ioarcb_host_pci_addr),
-		       ioa_cfg->regs.ioarrin_reg);
+		ipr_send_command(ipr_cmd);
 	} else {
 		 list_move_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
 		 return SCSI_MLQUEUE_HOST_BUSY;
@@ -5035,20 +5754,9 @@ static void ipr_ata_phy_reset(struct ata_port *ap)
 		goto out_unlock;
 	}
 
-	switch(res->cfgte.proto) {
-	case IPR_PROTO_SATA:
-	case IPR_PROTO_SAS_STP:
-		ap->link.device[0].class = ATA_DEV_ATA;
-		break;
-	case IPR_PROTO_SATA_ATAPI:
-	case IPR_PROTO_SAS_STP_ATAPI:
-		ap->link.device[0].class = ATA_DEV_ATAPI;
-		break;
-	default:
-		ap->link.device[0].class = ATA_DEV_UNKNOWN;
+	ap->link.device[0].class = res->ata_class;
+	if (ap->link.device[0].class == ATA_DEV_UNKNOWN)
 		ata_port_disable(ap);
-		break;
-	};
 
 out_unlock:
 	spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags);
@@ -5134,8 +5842,7 @@ static void ipr_sata_done(struct ipr_cmnd *ipr_cmd)
 	ipr_dump_ioasa(ioa_cfg, ipr_cmd, res);
 
 	if (be32_to_cpu(ipr_cmd->ioasa.ioasc_specific) & IPR_ATA_DEVICE_WAS_RESET)
-		scsi_report_device_reset(ioa_cfg->host, res->cfgte.res_addr.bus,
-					 res->cfgte.res_addr.target);
+		scsi_report_device_reset(ioa_cfg->host, res->bus, res->target);
 
 	if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR)
 		qc->err_mask |= __ac_err_mask(ipr_cmd->ioasa.u.gata.status);
@@ -5146,6 +5853,52 @@ static void ipr_sata_done(struct ipr_cmnd *ipr_cmd)
 }
 
 /**
+ * ipr_build_ata_ioadl64 - Build an ATA scatter/gather list
+ * @ipr_cmd:	ipr command struct
+ * @qc:		ATA queued command
+ *
+ **/
+static void ipr_build_ata_ioadl64(struct ipr_cmnd *ipr_cmd,
+				  struct ata_queued_cmd *qc)
+{
+	u32 ioadl_flags = 0;
+	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
+	struct ipr_ioadl64_desc *ioadl64 = ipr_cmd->i.ioadl64;
+	struct ipr_ioadl64_desc *last_ioadl64 = NULL;
+	int len = qc->nbytes;
+	struct scatterlist *sg;
+	unsigned int si;
+	dma_addr_t dma_addr = ipr_cmd->dma_addr;
+
+	if (len == 0)
+		return;
+
+	if (qc->dma_dir == DMA_TO_DEVICE) {
+		ioadl_flags = IPR_IOADL_FLAGS_WRITE;
+		ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ;
+	} else if (qc->dma_dir == DMA_FROM_DEVICE)
+		ioadl_flags = IPR_IOADL_FLAGS_READ;
+
+	ioarcb->data_transfer_length = cpu_to_be32(len);
+	ioarcb->ioadl_len =
+		cpu_to_be32(sizeof(struct ipr_ioadl64_desc) * ipr_cmd->dma_use_sg);
+	ioarcb->u.sis64_addr_data.data_ioadl_addr =
+		cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ata_ioadl));
+
+	for_each_sg(qc->sg, sg, qc->n_elem, si) {
+		ioadl64->flags = cpu_to_be32(ioadl_flags);
+		ioadl64->data_len = cpu_to_be32(sg_dma_len(sg));
+		ioadl64->address = cpu_to_be64(sg_dma_address(sg));
+
+		last_ioadl64 = ioadl64;
+		ioadl64++;
+	}
+
+	if (likely(last_ioadl64))
+		last_ioadl64->flags |= cpu_to_be32(IPR_IOADL_FLAGS_LAST);
+}
+
+/**
  * ipr_build_ata_ioadl - Build an ATA scatter/gather list
  * @ipr_cmd:	ipr command struct
  * @qc:		ATA queued command
@@ -5156,7 +5909,7 @@ static void ipr_build_ata_ioadl(struct ipr_cmnd *ipr_cmd,
 {
 	u32 ioadl_flags = 0;
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
-	struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl;
+	struct ipr_ioadl_desc *ioadl = ipr_cmd->i.ioadl;
 	struct ipr_ioadl_desc *last_ioadl = NULL;
 	int len = qc->nbytes;
 	struct scatterlist *sg;
@@ -5168,8 +5921,8 @@ static void ipr_build_ata_ioadl(struct ipr_cmnd *ipr_cmd,
 	if (qc->dma_dir == DMA_TO_DEVICE) {
 		ioadl_flags = IPR_IOADL_FLAGS_WRITE;
 		ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ;
-		ioarcb->write_data_transfer_length = cpu_to_be32(len);
-		ioarcb->write_ioadl_len =
+		ioarcb->data_transfer_length = cpu_to_be32(len);
+		ioarcb->ioadl_len =
 			cpu_to_be32(sizeof(struct ipr_ioadl_desc) * ipr_cmd->dma_use_sg);
 	} else if (qc->dma_dir == DMA_FROM_DEVICE) {
 		ioadl_flags = IPR_IOADL_FLAGS_READ;
@@ -5212,25 +5965,34 @@ static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc)
 
 	ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg);
 	ioarcb = &ipr_cmd->ioarcb;
-	regs = &ioarcb->add_data.u.regs;
 
-	memset(&ioarcb->add_data, 0, sizeof(ioarcb->add_data));
-	ioarcb->add_cmd_parms_len = cpu_to_be32(sizeof(ioarcb->add_data.u.regs));
+	if (ioa_cfg->sis64) {
+		regs = &ipr_cmd->i.ata_ioadl.regs;
+		ioarcb->add_cmd_parms_offset = cpu_to_be16(sizeof(*ioarcb));
+	} else
+		regs = &ioarcb->u.add_data.u.regs;
+
+	memset(regs, 0, sizeof(*regs));
+	ioarcb->add_cmd_parms_len = cpu_to_be16(sizeof(*regs));
 
 	list_add_tail(&ipr_cmd->queue, &ioa_cfg->pending_q);
 	ipr_cmd->qc = qc;
 	ipr_cmd->done = ipr_sata_done;
-	ipr_cmd->ioarcb.res_handle = res->cfgte.res_handle;
+	ipr_cmd->ioarcb.res_handle = res->res_handle;
 	ioarcb->cmd_pkt.request_type = IPR_RQTYPE_ATA_PASSTHRU;
 	ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC;
 	ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK;
 	ipr_cmd->dma_use_sg = qc->n_elem;
 
-	ipr_build_ata_ioadl(ipr_cmd, qc);
+	if (ioa_cfg->sis64)
+		ipr_build_ata_ioadl64(ipr_cmd, qc);
+	else
+		ipr_build_ata_ioadl(ipr_cmd, qc);
+
 	regs->flags |= IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION;
 	ipr_copy_sata_tf(regs, &qc->tf);
 	memcpy(ioarcb->cmd_pkt.cdb, qc->cdb, IPR_MAX_CDB_LEN);
-	ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_PHYS_LOC(res->cfgte.res_addr));
+	ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_GET_RES_PHYS_LOC(res));
 
 	switch (qc->tf.protocol) {
 	case ATA_PROT_NODATA:
@@ -5257,8 +6019,9 @@ static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc)
 	}
 
 	mb();
-	writel(be32_to_cpu(ioarcb->ioarcb_host_pci_addr),
-	       ioa_cfg->regs.ioarrin_reg);
+
+	ipr_send_command(ipr_cmd);
+
 	return 0;
 }
 
@@ -5459,7 +6222,7 @@ static void ipr_set_sup_dev_dflt(struct ipr_supported_device *supported_dev,
  * ipr_set_supported_devs - Send Set Supported Devices for a device
  * @ipr_cmd:	ipr command struct
  *
- * This function send a Set Supported Devices to the adapter
+ * This function sends a Set Supported Devices to the adapter
  *
  * Return value:
  * 	IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN
@@ -5468,7 +6231,6 @@ static int ipr_set_supported_devs(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
 	struct ipr_supported_device *supp_dev = &ioa_cfg->vpd_cbs->supp_dev;
-	struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl;
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
 	struct ipr_resource_entry *res = ipr_cmd->u.res;
 
@@ -5479,28 +6241,28 @@ static int ipr_set_supported_devs(struct ipr_cmnd *ipr_cmd)
 			continue;
 
 		ipr_cmd->u.res = res;
-		ipr_set_sup_dev_dflt(supp_dev, &res->cfgte.std_inq_data.vpids);
+		ipr_set_sup_dev_dflt(supp_dev, &res->std_inq_data.vpids);
 
 		ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE);
 		ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_WRITE_NOT_READ;
 		ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD;
 
 		ioarcb->cmd_pkt.cdb[0] = IPR_SET_SUPPORTED_DEVICES;
+		ioarcb->cmd_pkt.cdb[1] = IPR_SET_ALL_SUPPORTED_DEVICES;
 		ioarcb->cmd_pkt.cdb[7] = (sizeof(struct ipr_supported_device) >> 8) & 0xff;
 		ioarcb->cmd_pkt.cdb[8] = sizeof(struct ipr_supported_device) & 0xff;
 
-		ioadl->flags_and_data_len = cpu_to_be32(IPR_IOADL_FLAGS_WRITE_LAST |
-							sizeof(struct ipr_supported_device));
-		ioadl->address = cpu_to_be32(ioa_cfg->vpd_cbs_dma +
-					     offsetof(struct ipr_misc_cbs, supp_dev));
-		ioarcb->write_ioadl_len = cpu_to_be32(sizeof(struct ipr_ioadl_desc));
-		ioarcb->write_data_transfer_length =
-			cpu_to_be32(sizeof(struct ipr_supported_device));
+		ipr_init_ioadl(ipr_cmd,
+			       ioa_cfg->vpd_cbs_dma +
+				 offsetof(struct ipr_misc_cbs, supp_dev),
+			       sizeof(struct ipr_supported_device),
+			       IPR_IOADL_FLAGS_WRITE_LAST);
 
 		ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout,
 			   IPR_SET_SUP_DEVICE_TIMEOUT);
 
-		ipr_cmd->job_step = ipr_set_supported_devs;
+		if (!ioa_cfg->sis64)
+			ipr_cmd->job_step = ipr_set_supported_devs;
 		return IPR_RC_JOB_RETURN;
 	}
 
@@ -5508,36 +6270,6 @@ static int ipr_set_supported_devs(struct ipr_cmnd *ipr_cmd)
 }
 
 /**
- * ipr_setup_write_cache - Disable write cache if needed
- * @ipr_cmd:	ipr command struct
- *
- * This function sets up adapters write cache to desired setting
- *
- * Return value:
- * 	IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN
- **/
-static int ipr_setup_write_cache(struct ipr_cmnd *ipr_cmd)
-{
-	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
-
-	ipr_cmd->job_step = ipr_set_supported_devs;
-	ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next,
-				    struct ipr_resource_entry, queue);
-
-	if (ioa_cfg->cache_state != CACHE_DISABLED)
-		return IPR_RC_JOB_CONTINUE;
-
-	ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE);
-	ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD;
-	ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN;
-	ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_SHUTDOWN_PREPARE_FOR_NORMAL;
-
-	ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT);
-
-	return IPR_RC_JOB_RETURN;
-}
-
-/**
  * ipr_get_mode_page - Locate specified mode page
  * @mode_pages:	mode page buffer
  * @page_code:	page code to find
@@ -5695,10 +6427,9 @@ static void ipr_modify_ioafp_mode_page_28(struct ipr_ioa_cfg *ioa_cfg,
  * 	none
  **/
 static void ipr_build_mode_select(struct ipr_cmnd *ipr_cmd,
-				  __be32 res_handle, u8 parm, u32 dma_addr,
-				  u8 xfer_len)
+				  __be32 res_handle, u8 parm,
+				  dma_addr_t dma_addr, u8 xfer_len)
 {
-	struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl;
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
 
 	ioarcb->res_handle = res_handle;
@@ -5708,11 +6439,7 @@ static void ipr_build_mode_select(struct ipr_cmnd *ipr_cmd,
 	ioarcb->cmd_pkt.cdb[1] = parm;
 	ioarcb->cmd_pkt.cdb[4] = xfer_len;
 
-	ioadl->flags_and_data_len =
-		cpu_to_be32(IPR_IOADL_FLAGS_WRITE_LAST | xfer_len);
-	ioadl->address = cpu_to_be32(dma_addr);
-	ioarcb->write_ioadl_len = cpu_to_be32(sizeof(struct ipr_ioadl_desc));
-	ioarcb->write_data_transfer_length = cpu_to_be32(xfer_len);
+	ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_WRITE_LAST);
 }
 
 /**
@@ -5742,7 +6469,9 @@ static int ipr_ioafp_mode_select_page28(struct ipr_cmnd *ipr_cmd)
 			      ioa_cfg->vpd_cbs_dma + offsetof(struct ipr_misc_cbs, mode_pages),
 			      length);
 
-	ipr_cmd->job_step = ipr_setup_write_cache;
+	ipr_cmd->job_step = ipr_set_supported_devs;
+	ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next,
+				    struct ipr_resource_entry, queue);
 	ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT);
 
 	LEAVE;
@@ -5762,9 +6491,8 @@ static int ipr_ioafp_mode_select_page28(struct ipr_cmnd *ipr_cmd)
  **/
 static void ipr_build_mode_sense(struct ipr_cmnd *ipr_cmd,
 				 __be32 res_handle,
-				 u8 parm, u32 dma_addr, u8 xfer_len)
+				 u8 parm, dma_addr_t dma_addr, u8 xfer_len)
 {
-	struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl;
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
 
 	ioarcb->res_handle = res_handle;
@@ -5773,11 +6501,7 @@ static void ipr_build_mode_sense(struct ipr_cmnd *ipr_cmd,
 	ioarcb->cmd_pkt.cdb[4] = xfer_len;
 	ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB;
 
-	ioadl->flags_and_data_len =
-		cpu_to_be32(IPR_IOADL_FLAGS_READ_LAST | xfer_len);
-	ioadl->address = cpu_to_be32(dma_addr);
-	ioarcb->read_ioadl_len = cpu_to_be32(sizeof(struct ipr_ioadl_desc));
-	ioarcb->read_data_transfer_length = cpu_to_be32(xfer_len);
+	ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST);
 }
 
 /**
@@ -5815,10 +6539,13 @@ static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd)
  **/
 static int ipr_reset_mode_sense_failed(struct ipr_cmnd *ipr_cmd)
 {
+	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
 	u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
 
 	if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) {
-		ipr_cmd->job_step = ipr_setup_write_cache;
+		ipr_cmd->job_step = ipr_set_supported_devs;
+		ipr_cmd->u.res = list_entry(ioa_cfg->used_res_q.next,
+					    struct ipr_resource_entry, queue);
 		return IPR_RC_JOB_CONTINUE;
 	}
 
@@ -5958,24 +6685,36 @@ static int ipr_init_res_table(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
 	struct ipr_resource_entry *res, *temp;
-	struct ipr_config_table_entry *cfgte;
-	int found, i;
+	struct ipr_config_table_entry_wrapper cfgtew;
+	int entries, found, flag, i;
 	LIST_HEAD(old_res);
 
 	ENTER;
-	if (ioa_cfg->cfg_table->hdr.flags & IPR_UCODE_DOWNLOAD_REQ)
+	if (ioa_cfg->sis64)
+		flag = ioa_cfg->u.cfg_table64->hdr64.flags;
+	else
+		flag = ioa_cfg->u.cfg_table->hdr.flags;
+
+	if (flag & IPR_UCODE_DOWNLOAD_REQ)
 		dev_err(&ioa_cfg->pdev->dev, "Microcode download required\n");
 
 	list_for_each_entry_safe(res, temp, &ioa_cfg->used_res_q, queue)
 		list_move_tail(&res->queue, &old_res);
 
-	for (i = 0; i < ioa_cfg->cfg_table->hdr.num_entries; i++) {
-		cfgte = &ioa_cfg->cfg_table->dev[i];
+	if (ioa_cfg->sis64)
+		entries = ioa_cfg->u.cfg_table64->hdr64.num_entries;
+	else
+		entries = ioa_cfg->u.cfg_table->hdr.num_entries;
+
+	for (i = 0; i < entries; i++) {
+		if (ioa_cfg->sis64)
+			cfgtew.u.cfgte64 = &ioa_cfg->u.cfg_table64->dev[i];
+		else
+			cfgtew.u.cfgte = &ioa_cfg->u.cfg_table->dev[i];
 		found = 0;
 
 		list_for_each_entry_safe(res, temp, &old_res, queue) {
-			if (!memcmp(&res->cfgte.res_addr,
-				    &cfgte->res_addr, sizeof(cfgte->res_addr))) {
+			if (ipr_is_same_device(res, &cfgtew)) {
 				list_move_tail(&res->queue, &ioa_cfg->used_res_q);
 				found = 1;
 				break;
@@ -5992,24 +6731,27 @@ static int ipr_init_res_table(struct ipr_cmnd *ipr_cmd)
 			res = list_entry(ioa_cfg->free_res_q.next,
 					 struct ipr_resource_entry, queue);
 			list_move_tail(&res->queue, &ioa_cfg->used_res_q);
-			ipr_init_res_entry(res);
+			ipr_init_res_entry(res, &cfgtew);
 			res->add_to_ml = 1;
 		}
 
 		if (found)
-			memcpy(&res->cfgte, cfgte, sizeof(struct ipr_config_table_entry));
+			ipr_update_res_entry(res, &cfgtew);
 	}
 
 	list_for_each_entry_safe(res, temp, &old_res, queue) {
 		if (res->sdev) {
 			res->del_from_ml = 1;
-			res->cfgte.res_handle = IPR_INVALID_RES_HANDLE;
+			res->res_handle = IPR_INVALID_RES_HANDLE;
 			list_move_tail(&res->queue, &ioa_cfg->used_res_q);
-		} else {
-			list_move_tail(&res->queue, &ioa_cfg->free_res_q);
 		}
 	}
 
+	list_for_each_entry_safe(res, temp, &old_res, queue) {
+		ipr_clear_res_target(res);
+		list_move_tail(&res->queue, &ioa_cfg->free_res_q);
+	}
+
 	if (ioa_cfg->dual_raid && ipr_dual_ioa_raid)
 		ipr_cmd->job_step = ipr_ioafp_mode_sense_page24;
 	else
@@ -6033,7 +6775,6 @@ static int ipr_ioafp_query_ioa_cfg(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
-	struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl;
 	struct ipr_inquiry_page3 *ucode_vpd = &ioa_cfg->vpd_cbs->page3_data;
 	struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap;
 
@@ -6047,16 +6788,11 @@ static int ipr_ioafp_query_ioa_cfg(struct ipr_cmnd *ipr_cmd)
 	ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE);
 
 	ioarcb->cmd_pkt.cdb[0] = IPR_QUERY_IOA_CONFIG;
-	ioarcb->cmd_pkt.cdb[7] = (sizeof(struct ipr_config_table) >> 8) & 0xff;
-	ioarcb->cmd_pkt.cdb[8] = sizeof(struct ipr_config_table) & 0xff;
+	ioarcb->cmd_pkt.cdb[7] = (ioa_cfg->cfg_table_size >> 8) & 0xff;
+	ioarcb->cmd_pkt.cdb[8] = ioa_cfg->cfg_table_size & 0xff;
 
-	ioarcb->read_ioadl_len = cpu_to_be32(sizeof(struct ipr_ioadl_desc));
-	ioarcb->read_data_transfer_length =
-		cpu_to_be32(sizeof(struct ipr_config_table));
-
-	ioadl->address = cpu_to_be32(ioa_cfg->cfg_table_dma);
-	ioadl->flags_and_data_len =
-		cpu_to_be32(IPR_IOADL_FLAGS_READ_LAST | sizeof(struct ipr_config_table));
+	ipr_init_ioadl(ipr_cmd, ioa_cfg->cfg_table_dma, ioa_cfg->cfg_table_size,
+		       IPR_IOADL_FLAGS_READ_LAST);
 
 	ipr_cmd->job_step = ipr_init_res_table;
 
@@ -6076,10 +6812,9 @@ static int ipr_ioafp_query_ioa_cfg(struct ipr_cmnd *ipr_cmd)
  * 	none
  **/
 static void ipr_ioafp_inquiry(struct ipr_cmnd *ipr_cmd, u8 flags, u8 page,
-			      u32 dma_addr, u8 xfer_len)
+			      dma_addr_t dma_addr, u8 xfer_len)
 {
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
-	struct ipr_ioadl_desc *ioadl = ipr_cmd->ioadl;
 
 	ENTER;
 	ioarcb->cmd_pkt.request_type = IPR_RQTYPE_SCSICDB;
@@ -6090,12 +6825,7 @@ static void ipr_ioafp_inquiry(struct ipr_cmnd *ipr_cmd, u8 flags, u8 page,
 	ioarcb->cmd_pkt.cdb[2] = page;
 	ioarcb->cmd_pkt.cdb[4] = xfer_len;
 
-	ioarcb->read_ioadl_len = cpu_to_be32(sizeof(struct ipr_ioadl_desc));
-	ioarcb->read_data_transfer_length = cpu_to_be32(xfer_len);
-
-	ioadl->address = cpu_to_be32(dma_addr);
-	ioadl->flags_and_data_len =
-		cpu_to_be32(IPR_IOADL_FLAGS_READ_LAST | xfer_len);
+	ipr_init_ioadl(ipr_cmd, dma_addr, xfer_len, IPR_IOADL_FLAGS_READ_LAST);
 
 	ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT);
 	LEAVE;
@@ -6166,13 +6896,9 @@ static int ipr_ioafp_cap_inquiry(struct ipr_cmnd *ipr_cmd)
 static int ipr_ioafp_page3_inquiry(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
-	struct ipr_inquiry_page0 *page0 = &ioa_cfg->vpd_cbs->page0_data;
 
 	ENTER;
 
-	if (!ipr_inquiry_page_supported(page0, 1))
-		ioa_cfg->cache_state = CACHE_NONE;
-
 	ipr_cmd->job_step = ipr_ioafp_cap_inquiry;
 
 	ipr_ioafp_inquiry(ipr_cmd, 1, 3,
@@ -6240,7 +6966,7 @@ static int ipr_ioafp_std_inquiry(struct ipr_cmnd *ipr_cmd)
 }
 
 /**
- * ipr_ioafp_indentify_hrrq - Send Identify Host RRQ.
+ * ipr_ioafp_identify_hrrq - Send Identify Host RRQ.
  * @ipr_cmd:	ipr command struct
  *
  * This function send an Identify Host Request Response Queue
@@ -6249,7 +6975,7 @@ static int ipr_ioafp_std_inquiry(struct ipr_cmnd *ipr_cmd)
  * Return value:
  * 	IPR_RC_JOB_RETURN
  **/
-static int ipr_ioafp_indentify_hrrq(struct ipr_cmnd *ipr_cmd)
+static int ipr_ioafp_identify_hrrq(struct ipr_cmnd *ipr_cmd)
 {
 	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
 	struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
@@ -6261,19 +6987,32 @@ static int ipr_ioafp_indentify_hrrq(struct ipr_cmnd *ipr_cmd)
 	ioarcb->res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE);
 
 	ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD;
+	if (ioa_cfg->sis64)
+		ioarcb->cmd_pkt.cdb[1] = 0x1;
 	ioarcb->cmd_pkt.cdb[2] =
-		((u32) ioa_cfg->host_rrq_dma >> 24) & 0xff;
+		((u64) ioa_cfg->host_rrq_dma >> 24) & 0xff;
 	ioarcb->cmd_pkt.cdb[3] =
-		((u32) ioa_cfg->host_rrq_dma >> 16) & 0xff;
+		((u64) ioa_cfg->host_rrq_dma >> 16) & 0xff;
 	ioarcb->cmd_pkt.cdb[4] =
-		((u32) ioa_cfg->host_rrq_dma >> 8) & 0xff;
+		((u64) ioa_cfg->host_rrq_dma >> 8) & 0xff;
 	ioarcb->cmd_pkt.cdb[5] =
-		((u32) ioa_cfg->host_rrq_dma) & 0xff;
+		((u64) ioa_cfg->host_rrq_dma) & 0xff;
 	ioarcb->cmd_pkt.cdb[7] =
 		((sizeof(u32) * IPR_NUM_CMD_BLKS) >> 8) & 0xff;
 	ioarcb->cmd_pkt.cdb[8] =
 		(sizeof(u32) * IPR_NUM_CMD_BLKS) & 0xff;
 
+	if (ioa_cfg->sis64) {
+		ioarcb->cmd_pkt.cdb[10] =
+			((u64) ioa_cfg->host_rrq_dma >> 56) & 0xff;
+		ioarcb->cmd_pkt.cdb[11] =
+			((u64) ioa_cfg->host_rrq_dma >> 48) & 0xff;
+		ioarcb->cmd_pkt.cdb[12] =
+			((u64) ioa_cfg->host_rrq_dma >> 40) & 0xff;
+		ioarcb->cmd_pkt.cdb[13] =
+			((u64) ioa_cfg->host_rrq_dma >> 32) & 0xff;
+	}
+
 	ipr_cmd->job_step = ipr_ioafp_std_inquiry;
 
 	ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, IPR_INTERNAL_TIMEOUT);
@@ -6354,7 +7093,58 @@ static void ipr_init_ioa_mem(struct ipr_ioa_cfg *ioa_cfg)
 	ioa_cfg->toggle_bit = 1;
 
 	/* Zero out config table */
-	memset(ioa_cfg->cfg_table, 0, sizeof(struct ipr_config_table));
+	memset(ioa_cfg->u.cfg_table, 0, ioa_cfg->cfg_table_size);
+}
+
+/**
+ * ipr_reset_next_stage - Process IPL stage change based on feedback register.
+ * @ipr_cmd:	ipr command struct
+ *
+ * Return value:
+ * 	IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN
+ **/
+static int ipr_reset_next_stage(struct ipr_cmnd *ipr_cmd)
+{
+	unsigned long stage, stage_time;
+	u32 feedback;
+	volatile u32 int_reg;
+	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
+	u64 maskval = 0;
+
+	feedback = readl(ioa_cfg->regs.init_feedback_reg);
+	stage = feedback & IPR_IPL_INIT_STAGE_MASK;
+	stage_time = feedback & IPR_IPL_INIT_STAGE_TIME_MASK;
+
+	ipr_dbg("IPL stage = 0x%lx, IPL stage time = %ld\n", stage, stage_time);
+
+	/* sanity check the stage_time value */
+	if (stage_time < IPR_IPL_INIT_MIN_STAGE_TIME)
+		stage_time = IPR_IPL_INIT_MIN_STAGE_TIME;
+	else if (stage_time > IPR_LONG_OPERATIONAL_TIMEOUT)
+		stage_time = IPR_LONG_OPERATIONAL_TIMEOUT;
+
+	if (stage == IPR_IPL_INIT_STAGE_UNKNOWN) {
+		writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.set_interrupt_mask_reg);
+		int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
+		stage_time = ioa_cfg->transop_timeout;
+		ipr_cmd->job_step = ipr_ioafp_identify_hrrq;
+	} else if (stage == IPR_IPL_INIT_STAGE_TRANSOP) {
+		ipr_cmd->job_step = ipr_ioafp_identify_hrrq;
+		maskval = IPR_PCII_IPL_STAGE_CHANGE;
+		maskval = (maskval << 32) | IPR_PCII_IOA_TRANS_TO_OPER;
+		writeq(maskval, ioa_cfg->regs.set_interrupt_mask_reg);
+		int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
+		return IPR_RC_JOB_CONTINUE;
+	}
+
+	ipr_cmd->timer.data = (unsigned long) ipr_cmd;
+	ipr_cmd->timer.expires = jiffies + stage_time * HZ;
+	ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout;
+	ipr_cmd->done = ipr_reset_ioa_job;
+	add_timer(&ipr_cmd->timer);
+	list_add_tail(&ipr_cmd->queue, &ioa_cfg->pending_q);
+
+	return IPR_RC_JOB_RETURN;
 }
 
 /**
@@ -6373,7 +7163,7 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
 	volatile u32 int_reg;
 
 	ENTER;
-	ipr_cmd->job_step = ipr_ioafp_indentify_hrrq;
+	ipr_cmd->job_step = ipr_ioafp_identify_hrrq;
 	ipr_init_ioa_mem(ioa_cfg);
 
 	ioa_cfg->allow_interrupts = 1;
@@ -6381,19 +7171,27 @@ static int ipr_reset_enable_ioa(struct ipr_cmnd *ipr_cmd)
 
 	if (int_reg & IPR_PCII_IOA_TRANS_TO_OPER) {
 		writel((IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED),
-		       ioa_cfg->regs.clr_interrupt_mask_reg);
+		       ioa_cfg->regs.clr_interrupt_mask_reg32);
 		int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
 		return IPR_RC_JOB_CONTINUE;
 	}
 
 	/* Enable destructive diagnostics on IOA */
-	writel(ioa_cfg->doorbell, ioa_cfg->regs.set_uproc_interrupt_reg);
+	writel(ioa_cfg->doorbell, ioa_cfg->regs.set_uproc_interrupt_reg32);
+
+	writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg32);
+	if (ioa_cfg->sis64)
+		writel(IPR_PCII_IPL_STAGE_CHANGE, ioa_cfg->regs.clr_interrupt_mask_reg);
 
-	writel(IPR_PCII_OPER_INTERRUPTS, ioa_cfg->regs.clr_interrupt_mask_reg);
 	int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
 
 	dev_info(&ioa_cfg->pdev->dev, "Initializing IOA.\n");
 
+	if (ioa_cfg->sis64) {
+		ipr_cmd->job_step = ipr_reset_next_stage;
+		return IPR_RC_JOB_CONTINUE;
+	}
+
 	ipr_cmd->timer.data = (unsigned long) ipr_cmd;
 	ipr_cmd->timer.expires = jiffies + (ioa_cfg->transop_timeout * HZ);
 	ipr_cmd->timer.function = (void (*)(unsigned long))ipr_oper_timeout;
@@ -6463,7 +7261,7 @@ static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg)
 
 	mailbox = readl(ioa_cfg->ioa_mailbox);
 
-	if (!ipr_sdt_is_fmt2(mailbox)) {
+	if (!ioa_cfg->sis64 && !ipr_sdt_is_fmt2(mailbox)) {
 		ipr_unit_check_no_data(ioa_cfg);
 		return;
 	}
@@ -6472,15 +7270,20 @@ static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg)
 	rc = ipr_get_ldump_data_section(ioa_cfg, mailbox, (__be32 *) &sdt,
 					(sizeof(struct ipr_uc_sdt)) / sizeof(__be32));
 
-	if (rc || (be32_to_cpu(sdt.hdr.state) != IPR_FMT2_SDT_READY_TO_USE) ||
-	    !(sdt.entry[0].flags & IPR_SDT_VALID_ENTRY)) {
+	if (rc || !(sdt.entry[0].flags & IPR_SDT_VALID_ENTRY) ||
+	    ((be32_to_cpu(sdt.hdr.state) != IPR_FMT3_SDT_READY_TO_USE) &&
+	    (be32_to_cpu(sdt.hdr.state) != IPR_FMT2_SDT_READY_TO_USE))) {
 		ipr_unit_check_no_data(ioa_cfg);
 		return;
 	}
 
 	/* Find length of the first sdt entry (UC buffer) */
-	length = (be32_to_cpu(sdt.entry[0].end_offset) -
-		  be32_to_cpu(sdt.entry[0].bar_str_offset)) & IPR_FMT2_MBX_ADDR_MASK;
+	if (be32_to_cpu(sdt.hdr.state) == IPR_FMT3_SDT_READY_TO_USE)
+		length = be32_to_cpu(sdt.entry[0].end_token);
+	else
+		length = (be32_to_cpu(sdt.entry[0].end_token) -
+			  be32_to_cpu(sdt.entry[0].start_token)) &
+			  IPR_FMT2_MBX_ADDR_MASK;
 
 	hostrcb = list_entry(ioa_cfg->hostrcb_free_q.next,
 			     struct ipr_hostrcb, queue);
@@ -6488,13 +7291,13 @@ static void ipr_get_unit_check_buffer(struct ipr_ioa_cfg *ioa_cfg)
 	memset(&hostrcb->hcam, 0, sizeof(hostrcb->hcam));
 
 	rc = ipr_get_ldump_data_section(ioa_cfg,
-					be32_to_cpu(sdt.entry[0].bar_str_offset),
+					be32_to_cpu(sdt.entry[0].start_token),
 					(__be32 *)&hostrcb->hcam,
 					min(length, (int)sizeof(hostrcb->hcam)) / sizeof(__be32));
 
 	if (!rc) {
 		ipr_handle_log_data(ioa_cfg, hostrcb);
-		ioasc = be32_to_cpu(hostrcb->hcam.u.error.failing_dev_ioasc);
+		ioasc = be32_to_cpu(hostrcb->hcam.u.error.fd_ioasc);
 		if (ioasc == IPR_IOASC_NR_IOA_RESET_REQUIRED &&
 		    ioa_cfg->sdt_state == GET_DUMP)
 			ioa_cfg->sdt_state = WAIT_FOR_DUMP;
@@ -6722,7 +7525,7 @@ static int ipr_reset_alert(struct ipr_cmnd *ipr_cmd)
 
 	if ((rc == PCIBIOS_SUCCESSFUL) && (cmd_reg & PCI_COMMAND_MEMORY)) {
 		ipr_mask_and_clear_interrupts(ioa_cfg, ~0);
-		writel(IPR_UPROCI_RESET_ALERT, ioa_cfg->regs.set_uproc_interrupt_reg);
+		writel(IPR_UPROCI_RESET_ALERT, ioa_cfg->regs.set_uproc_interrupt_reg32);
 		ipr_cmd->job_step = ipr_reset_wait_to_start_bist;
 	} else {
 		ipr_cmd->job_step = ioa_cfg->reset;
@@ -6785,7 +7588,10 @@ static int ipr_reset_ucode_download(struct ipr_cmnd *ipr_cmd)
 	ipr_cmd->ioarcb.cmd_pkt.cdb[7] = (sglist->buffer_len & 0x00ff00) >> 8;
 	ipr_cmd->ioarcb.cmd_pkt.cdb[8] = sglist->buffer_len & 0x0000ff;
 
-	ipr_build_ucode_ioadl(ipr_cmd, sglist);
+	if (ioa_cfg->sis64)
+		ipr_build_ucode_ioadl64(ipr_cmd, sglist);
+	else
+		ipr_build_ucode_ioadl(ipr_cmd, sglist);
 	ipr_cmd->job_step = ipr_reset_ucode_download_done;
 
 	ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout,
@@ -7154,8 +7960,8 @@ static void ipr_free_mem(struct ipr_ioa_cfg *ioa_cfg)
 	ipr_free_cmd_blks(ioa_cfg);
 	pci_free_consistent(ioa_cfg->pdev, sizeof(u32) * IPR_NUM_CMD_BLKS,
 			    ioa_cfg->host_rrq, ioa_cfg->host_rrq_dma);
-	pci_free_consistent(ioa_cfg->pdev, sizeof(struct ipr_config_table),
-			    ioa_cfg->cfg_table,
+	pci_free_consistent(ioa_cfg->pdev, ioa_cfg->cfg_table_size,
+			    ioa_cfg->u.cfg_table,
 			    ioa_cfg->cfg_table_dma);
 
 	for (i = 0; i < IPR_NUM_HCAMS; i++) {
@@ -7209,7 +8015,7 @@ static int __devinit ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg)
 	int i;
 
 	ioa_cfg->ipr_cmd_pool = pci_pool_create (IPR_NAME, ioa_cfg->pdev,
-						 sizeof(struct ipr_cmnd), 8, 0);
+						 sizeof(struct ipr_cmnd), 16, 0);
 
 	if (!ioa_cfg->ipr_cmd_pool)
 		return -ENOMEM;
@@ -7227,13 +8033,25 @@ static int __devinit ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg)
 		ioa_cfg->ipr_cmnd_list_dma[i] = dma_addr;
 
 		ioarcb = &ipr_cmd->ioarcb;
-		ioarcb->ioarcb_host_pci_addr = cpu_to_be32(dma_addr);
+		ipr_cmd->dma_addr = dma_addr;
+		if (ioa_cfg->sis64)
+			ioarcb->a.ioarcb_host_pci_addr64 = cpu_to_be64(dma_addr);
+		else
+			ioarcb->a.ioarcb_host_pci_addr = cpu_to_be32(dma_addr);
+
 		ioarcb->host_response_handle = cpu_to_be32(i << 2);
-		ioarcb->write_ioadl_addr =
-			cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, ioadl));
-		ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
-		ioarcb->ioasa_host_pci_addr =
-			cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, ioasa));
+		if (ioa_cfg->sis64) {
+			ioarcb->u.sis64_addr_data.data_ioadl_addr =
+				cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64));
+			ioarcb->u.sis64_addr_data.ioasa_host_pci_addr =
+				cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, ioasa));
+		} else {
+			ioarcb->write_ioadl_addr =
+				cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl));
+			ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
+			ioarcb->ioasa_host_pci_addr =
+				cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, ioasa));
+		}
 		ioarcb->ioasa_len = cpu_to_be16(sizeof(struct ipr_ioasa));
 		ipr_cmd->cmd_index = i;
 		ipr_cmd->ioa_cfg = ioa_cfg;
@@ -7260,13 +8078,24 @@ static int __devinit ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg)
 
 	ENTER;
 	ioa_cfg->res_entries = kzalloc(sizeof(struct ipr_resource_entry) *
-				       IPR_MAX_PHYSICAL_DEVS, GFP_KERNEL);
+				       ioa_cfg->max_devs_supported, GFP_KERNEL);
 
 	if (!ioa_cfg->res_entries)
 		goto out;
 
-	for (i = 0; i < IPR_MAX_PHYSICAL_DEVS; i++)
+	if (ioa_cfg->sis64) {
+		ioa_cfg->target_ids = kzalloc(sizeof(unsigned long) *
+					      BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL);
+		ioa_cfg->array_ids = kzalloc(sizeof(unsigned long) *
+					     BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL);
+		ioa_cfg->vset_ids = kzalloc(sizeof(unsigned long) *
+					    BITS_TO_LONGS(ioa_cfg->max_devs_supported), GFP_KERNEL);
+	}
+
+	for (i = 0; i < ioa_cfg->max_devs_supported; i++) {
 		list_add_tail(&ioa_cfg->res_entries[i].queue, &ioa_cfg->free_res_q);
+		ioa_cfg->res_entries[i].ioa_cfg = ioa_cfg;
+	}
 
 	ioa_cfg->vpd_cbs = pci_alloc_consistent(ioa_cfg->pdev,
 						sizeof(struct ipr_misc_cbs),
@@ -7285,11 +8114,11 @@ static int __devinit ipr_alloc_mem(struct ipr_ioa_cfg *ioa_cfg)
 	if (!ioa_cfg->host_rrq)
 		goto out_ipr_free_cmd_blocks;
 
-	ioa_cfg->cfg_table = pci_alloc_consistent(ioa_cfg->pdev,
-						  sizeof(struct ipr_config_table),
-						  &ioa_cfg->cfg_table_dma);
+	ioa_cfg->u.cfg_table = pci_alloc_consistent(ioa_cfg->pdev,
+						    ioa_cfg->cfg_table_size,
+						    &ioa_cfg->cfg_table_dma);
 
-	if (!ioa_cfg->cfg_table)
+	if (!ioa_cfg->u.cfg_table)
 		goto out_free_host_rrq;
 
 	for (i = 0; i < IPR_NUM_HCAMS; i++) {
@@ -7323,8 +8152,9 @@ out_free_hostrcb_dma:
 				    ioa_cfg->hostrcb[i],
 				    ioa_cfg->hostrcb_dma[i]);
 	}
-	pci_free_consistent(pdev, sizeof(struct ipr_config_table),
-			    ioa_cfg->cfg_table, ioa_cfg->cfg_table_dma);
+	pci_free_consistent(pdev, ioa_cfg->cfg_table_size,
+			    ioa_cfg->u.cfg_table,
+			    ioa_cfg->cfg_table_dma);
 out_free_host_rrq:
 	pci_free_consistent(pdev, sizeof(u32) * IPR_NUM_CMD_BLKS,
 			    ioa_cfg->host_rrq, ioa_cfg->host_rrq_dma);
@@ -7399,15 +8229,21 @@ static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg,
 	init_waitqueue_head(&ioa_cfg->reset_wait_q);
 	init_waitqueue_head(&ioa_cfg->msi_wait_q);
 	ioa_cfg->sdt_state = INACTIVE;
-	if (ipr_enable_cache)
-		ioa_cfg->cache_state = CACHE_ENABLED;
-	else
-		ioa_cfg->cache_state = CACHE_DISABLED;
 
 	ipr_initialize_bus_attr(ioa_cfg);
+	ioa_cfg->max_devs_supported = ipr_max_devs;
 
-	host->max_id = IPR_MAX_NUM_TARGETS_PER_BUS;
-	host->max_lun = IPR_MAX_NUM_LUNS_PER_TARGET;
+	if (ioa_cfg->sis64) {
+		host->max_id = IPR_MAX_SIS64_TARGETS_PER_BUS;
+		host->max_lun = IPR_MAX_SIS64_LUNS_PER_TARGET;
+		if (ipr_max_devs > IPR_MAX_SIS64_DEVS)
+			ioa_cfg->max_devs_supported = IPR_MAX_SIS64_DEVS;
+	} else {
+		host->max_id = IPR_MAX_NUM_TARGETS_PER_BUS;
+		host->max_lun = IPR_MAX_NUM_LUNS_PER_TARGET;
+		if (ipr_max_devs > IPR_MAX_PHYSICAL_DEVS)
+			ioa_cfg->max_devs_supported = IPR_MAX_PHYSICAL_DEVS;
+	}
 	host->max_channel = IPR_MAX_BUS_TO_SCAN;
 	host->unique_id = host->host_no;
 	host->max_cmd_len = IPR_MAX_CDB_LEN;
@@ -7419,13 +8255,26 @@ static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg,
 
 	t->set_interrupt_mask_reg = base + p->set_interrupt_mask_reg;
 	t->clr_interrupt_mask_reg = base + p->clr_interrupt_mask_reg;
+	t->clr_interrupt_mask_reg32 = base + p->clr_interrupt_mask_reg32;
 	t->sense_interrupt_mask_reg = base + p->sense_interrupt_mask_reg;
+	t->sense_interrupt_mask_reg32 = base + p->sense_interrupt_mask_reg32;
 	t->clr_interrupt_reg = base + p->clr_interrupt_reg;
+	t->clr_interrupt_reg32 = base + p->clr_interrupt_reg32;
 	t->sense_interrupt_reg = base + p->sense_interrupt_reg;
+	t->sense_interrupt_reg32 = base + p->sense_interrupt_reg32;
 	t->ioarrin_reg = base + p->ioarrin_reg;
 	t->sense_uproc_interrupt_reg = base + p->sense_uproc_interrupt_reg;
+	t->sense_uproc_interrupt_reg32 = base + p->sense_uproc_interrupt_reg32;
 	t->set_uproc_interrupt_reg = base + p->set_uproc_interrupt_reg;
+	t->set_uproc_interrupt_reg32 = base + p->set_uproc_interrupt_reg32;
 	t->clr_uproc_interrupt_reg = base + p->clr_uproc_interrupt_reg;
+	t->clr_uproc_interrupt_reg32 = base + p->clr_uproc_interrupt_reg32;
+
+	if (ioa_cfg->sis64) {
+		t->init_feedback_reg = base + p->init_feedback_reg;
+		t->dump_addr_reg = base + p->dump_addr_reg;
+		t->dump_data_reg = base + p->dump_data_reg;
+	}
 }
 
 /**
@@ -7497,7 +8346,7 @@ static int __devinit ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg,
 	init_waitqueue_head(&ioa_cfg->msi_wait_q);
 	ioa_cfg->msi_received = 0;
 	ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER);
-	writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.clr_interrupt_mask_reg);
+	writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.clr_interrupt_mask_reg32);
 	int_reg = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
 	spin_unlock_irqrestore(ioa_cfg->host->host_lock, lock_flags);
 
@@ -7508,7 +8357,7 @@ static int __devinit ipr_test_msi(struct ipr_ioa_cfg *ioa_cfg,
 	} else if (ipr_debug)
 		dev_info(&pdev->dev, "IRQ assigned: %d\n", pdev->irq);
 
-	writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.sense_interrupt_reg);
+	writel(IPR_PCII_IO_DEBUG_ACKNOWLEDGE, ioa_cfg->regs.sense_interrupt_reg32);
 	int_reg = readl(ioa_cfg->regs.sense_interrupt_reg);
 	wait_event_timeout(ioa_cfg->msi_wait_q, ioa_cfg->msi_received, HZ);
 	ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER);
@@ -7578,6 +8427,8 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
 		goto out_scsi_host_put;
 	}
 
+	/* set SIS 32 or SIS 64 */
+	ioa_cfg->sis64 = ioa_cfg->ipr_chip->sis_type == IPR_SIS64 ? 1 : 0;
 	ioa_cfg->chip_cfg = ioa_cfg->ipr_chip->cfg;
 
 	if (ipr_transop_timeout)
@@ -7615,7 +8466,16 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
 
 	pci_set_master(pdev);
 
-	rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+	if (ioa_cfg->sis64) {
+		rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
+		if (rc < 0) {
+			dev_dbg(&pdev->dev, "Failed to set 64 bit PCI DMA mask\n");
+			rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+		}
+
+	} else
+		rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+
 	if (rc < 0) {
 		dev_err(&pdev->dev, "Failed to set PCI DMA mask\n");
 		goto cleanup_nomem;
@@ -7657,6 +8517,15 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
 	if ((rc = ipr_set_pcix_cmd_reg(ioa_cfg)))
 		goto cleanup_nomem;
 
+	if (ioa_cfg->sis64)
+		ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr64)
+				+ ((sizeof(struct ipr_config_table_entry64)
+				* ioa_cfg->max_devs_supported)));
+	else
+		ioa_cfg->cfg_table_size = (sizeof(struct ipr_config_table_hdr)
+				+ ((sizeof(struct ipr_config_table_entry)
+				* ioa_cfg->max_devs_supported)));
+
 	rc = ipr_alloc_mem(ioa_cfg);
 	if (rc < 0) {
 		dev_err(&pdev->dev,
@@ -7668,9 +8537,9 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
 	 * If HRRQ updated interrupt is not masked, or reset alert is set,
 	 * the card is in an unknown state and needs a hard reset
 	 */
-	mask = readl(ioa_cfg->regs.sense_interrupt_mask_reg);
-	interrupts = readl(ioa_cfg->regs.sense_interrupt_reg);
-	uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg);
+	mask = readl(ioa_cfg->regs.sense_interrupt_mask_reg32);
+	interrupts = readl(ioa_cfg->regs.sense_interrupt_reg32);
+	uproc = readl(ioa_cfg->regs.sense_uproc_interrupt_reg32);
 	if ((mask & IPR_PCII_HRRQ_UPDATED) == 0 || (uproc & IPR_UPROCI_RESET_ALERT))
 		ioa_cfg->needs_hard_reset = 1;
 	if (interrupts & IPR_PCII_ERROR_INTERRUPTS)
@@ -7958,9 +8827,6 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = {
 	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574E, 0, 0,
 	      IPR_USE_LONG_TRANSOP_TIMEOUT },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E,
-	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575D, 0, 0,
-	      IPR_USE_LONG_TRANSOP_TIMEOUT },
-	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E,
 	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B3, 0, 0, 0 },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E,
 	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, 0, 0,
@@ -7975,9 +8841,22 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = {
 	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP,
 		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F, 0, 0,
 		IPR_USE_LONG_TRANSOP_TIMEOUT },
-	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SCAMP_E,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574D, 0, 0,
-		IPR_USE_LONG_TRANSOP_TIMEOUT },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2,
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B5, 0, 0, 0 },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2,
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_574D, 0, 0, 0 },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2,
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B2, 0, 0, 0 },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2,
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B4, 0, 0, 0 },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2,
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B1, 0, 0, 0 },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2,
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C6, 0, 0, 0 },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2,
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575D, 0, 0, 0 },
+	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2,
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CE, 0, 0, 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, ipr_pci_table);
@@ -7997,6 +8876,61 @@ static struct pci_driver ipr_driver = {
 };
 
 /**
+ * ipr_halt_done - Shutdown prepare completion
+ *
+ * Return value:
+ * 	none
+ **/
+static void ipr_halt_done(struct ipr_cmnd *ipr_cmd)
+{
+	struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
+
+	list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
+}
+
+/**
+ * ipr_halt - Issue shutdown prepare to all adapters
+ *
+ * Return value:
+ * 	NOTIFY_OK on success / NOTIFY_DONE on failure
+ **/
+static int ipr_halt(struct notifier_block *nb, ulong event, void *buf)
+{
+	struct ipr_cmnd *ipr_cmd;
+	struct ipr_ioa_cfg *ioa_cfg;
+	unsigned long flags = 0;
+
+	if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF)
+		return NOTIFY_DONE;
+
+	spin_lock(&ipr_driver_lock);
+
+	list_for_each_entry(ioa_cfg, &ipr_ioa_head, queue) {
+		spin_lock_irqsave(ioa_cfg->host->host_lock, flags);
+		if (!ioa_cfg->allow_cmds) {
+			spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags);
+			continue;
+		}
+
+		ipr_cmd = ipr_get_free_ipr_cmnd(ioa_cfg);
+		ipr_cmd->ioarcb.res_handle = cpu_to_be32(IPR_IOA_RES_HANDLE);
+		ipr_cmd->ioarcb.cmd_pkt.request_type = IPR_RQTYPE_IOACMD;
+		ipr_cmd->ioarcb.cmd_pkt.cdb[0] = IPR_IOA_SHUTDOWN;
+		ipr_cmd->ioarcb.cmd_pkt.cdb[1] = IPR_SHUTDOWN_PREPARE_FOR_NORMAL;
+
+		ipr_do_req(ipr_cmd, ipr_halt_done, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT);
+		spin_unlock_irqrestore(ioa_cfg->host->host_lock, flags);
+	}
+	spin_unlock(&ipr_driver_lock);
+
+	return NOTIFY_OK;
+}
+
+static struct notifier_block ipr_notifier = {
+	ipr_halt, NULL, 0
+};
+
+/**
  * ipr_init - Module entry point
  *
  * Return value:
@@ -8007,6 +8941,7 @@ static int __init ipr_init(void)
 	ipr_info("IBM Power RAID SCSI Device Driver version: %s %s\n",
 		 IPR_DRIVER_VERSION, IPR_DRIVER_DATE);
 
+	register_reboot_notifier(&ipr_notifier);
 	return pci_register_driver(&ipr_driver);
 }
 
@@ -8020,6 +8955,7 @@ static int __init ipr_init(void)
  **/
 static void __exit ipr_exit(void)
 {
+	unregister_reboot_notifier(&ipr_notifier);
 	pci_unregister_driver(&ipr_driver);
 }
 
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 19bbcf39f0c9..4c267b5e0b96 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -37,8 +37,8 @@
 /*
  * Literals
  */
-#define IPR_DRIVER_VERSION "2.4.3"
-#define IPR_DRIVER_DATE "(June 10, 2009)"
+#define IPR_DRIVER_VERSION "2.5.0"
+#define IPR_DRIVER_DATE "(February 11, 2010)"
 
 /*
  * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
@@ -55,7 +55,9 @@
 #define IPR_NUM_BASE_CMD_BLKS				100
 
 #define PCI_DEVICE_ID_IBM_OBSIDIAN_E	0x0339
-#define PCI_DEVICE_ID_IBM_SCAMP_E		0x034A
+
+#define PCI_DEVICE_ID_IBM_CROC_FPGA_E2          0x033D
+#define PCI_DEVICE_ID_IBM_CROC_ASIC_E2          0x034A
 
 #define IPR_SUBS_DEV_ID_2780	0x0264
 #define IPR_SUBS_DEV_ID_5702	0x0266
@@ -70,15 +72,24 @@
 #define IPR_SUBS_DEV_ID_572A	0x02C1
 #define IPR_SUBS_DEV_ID_572B	0x02C2
 #define IPR_SUBS_DEV_ID_572F	0x02C3
-#define IPR_SUBS_DEV_ID_574D	0x030B
 #define IPR_SUBS_DEV_ID_574E	0x030A
 #define IPR_SUBS_DEV_ID_575B	0x030D
 #define IPR_SUBS_DEV_ID_575C	0x0338
-#define IPR_SUBS_DEV_ID_575D	0x033E
 #define IPR_SUBS_DEV_ID_57B3	0x033A
 #define IPR_SUBS_DEV_ID_57B7	0x0360
 #define IPR_SUBS_DEV_ID_57B8	0x02C2
 
+#define IPR_SUBS_DEV_ID_57B4    0x033B
+#define IPR_SUBS_DEV_ID_57B2    0x035F
+#define IPR_SUBS_DEV_ID_57C6    0x0357
+
+#define IPR_SUBS_DEV_ID_57B5    0x033C
+#define IPR_SUBS_DEV_ID_57CE    0x035E
+#define IPR_SUBS_DEV_ID_57B1    0x0355
+
+#define IPR_SUBS_DEV_ID_574D    0x0356
+#define IPR_SUBS_DEV_ID_575D    0x035D
+
 #define IPR_NAME				"ipr"
 
 /*
@@ -118,6 +129,10 @@
 #define IPR_NUM_LOG_HCAMS				2
 #define IPR_NUM_CFG_CHG_HCAMS				2
 #define IPR_NUM_HCAMS	(IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
+
+#define IPR_MAX_SIS64_TARGETS_PER_BUS			1024
+#define IPR_MAX_SIS64_LUNS_PER_TARGET			0xffffffff
+
 #define IPR_MAX_NUM_TARGETS_PER_BUS			256
 #define IPR_MAX_NUM_LUNS_PER_TARGET			256
 #define IPR_MAX_NUM_VSET_LUNS_PER_TARGET	8
@@ -132,13 +147,15 @@
 
 /* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
 #define IPR_NUM_INTERNAL_CMD_BLKS	(IPR_NUM_HCAMS + \
-                                     ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 3)
+                                     ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)
 
 #define IPR_MAX_COMMANDS		IPR_NUM_BASE_CMD_BLKS
 #define IPR_NUM_CMD_BLKS		(IPR_NUM_BASE_CMD_BLKS + \
 						IPR_NUM_INTERNAL_CMD_BLKS)
 
 #define IPR_MAX_PHYSICAL_DEVS				192
+#define IPR_DEFAULT_SIS64_DEVS				1024
+#define IPR_MAX_SIS64_DEVS				4096
 
 #define IPR_MAX_SGLIST					64
 #define IPR_IOA_MAX_SECTORS				32767
@@ -173,6 +190,7 @@
 #define	IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE	0x01
 #define	IPR_HCAM_CDB_OP_CODE_LOG_DATA		0x02
 #define IPR_SET_SUPPORTED_DEVICES			0xFB
+#define IPR_SET_ALL_SUPPORTED_DEVICES			0x80
 #define IPR_IOA_SHUTDOWN				0xF7
 #define	IPR_WR_BUF_DOWNLOAD_AND_SAVE			0x05
 
@@ -221,9 +239,17 @@
 #define IPR_SDT_FMT2_BAR5_SEL				0x5
 #define IPR_SDT_FMT2_EXP_ROM_SEL			0x8
 #define IPR_FMT2_SDT_READY_TO_USE			0xC4D4E3F2
+#define IPR_FMT3_SDT_READY_TO_USE			0xC4D4E3F3
 #define IPR_DOORBELL					0x82800000
 #define IPR_RUNTIME_RESET				0x40000000
 
+#define IPR_IPL_INIT_MIN_STAGE_TIME			5
+#define IPR_IPL_INIT_STAGE_UNKNOWN			0x0
+#define IPR_IPL_INIT_STAGE_TRANSOP			0xB0000000
+#define IPR_IPL_INIT_STAGE_MASK				0xff000000
+#define IPR_IPL_INIT_STAGE_TIME_MASK			0x0000ffff
+#define IPR_PCII_IPL_STAGE_CHANGE			(0x80000000 >> 0)
+
 #define IPR_PCII_IOA_TRANS_TO_OPER			(0x80000000 >> 0)
 #define IPR_PCII_IOARCB_XFER_FAILED			(0x80000000 >> 3)
 #define IPR_PCII_IOA_UNIT_CHECKED			(0x80000000 >> 4)
@@ -318,27 +344,27 @@ struct ipr_std_inq_data {
 	u8 serial_num[IPR_SERIAL_NUM_LEN];
 }__attribute__ ((packed));
 
+#define IPR_RES_TYPE_AF_DASD		0x00
+#define IPR_RES_TYPE_GENERIC_SCSI	0x01
+#define IPR_RES_TYPE_VOLUME_SET		0x02
+#define IPR_RES_TYPE_REMOTE_AF_DASD	0x03
+#define IPR_RES_TYPE_GENERIC_ATA	0x04
+#define IPR_RES_TYPE_ARRAY		0x05
+#define IPR_RES_TYPE_IOAFP		0xff
+
 struct ipr_config_table_entry {
 	u8 proto;
 #define IPR_PROTO_SATA			0x02
 #define IPR_PROTO_SATA_ATAPI		0x03
 #define IPR_PROTO_SAS_STP		0x06
-#define IPR_PROTO_SAS_STP_ATAPI	0x07
+#define IPR_PROTO_SAS_STP_ATAPI		0x07
 	u8 array_id;
 	u8 flags;
-#define IPR_IS_IOA_RESOURCE	0x80
-#define IPR_IS_ARRAY_MEMBER 0x20
-#define IPR_IS_HOT_SPARE	0x10
-
+#define IPR_IS_IOA_RESOURCE		0x80
 	u8 rsvd_subtype;
-#define IPR_RES_SUBTYPE(res) (((res)->cfgte.rsvd_subtype) & 0x0f)
-#define IPR_SUBTYPE_AF_DASD			0
-#define IPR_SUBTYPE_GENERIC_SCSI	1
-#define IPR_SUBTYPE_VOLUME_SET		2
-#define IPR_SUBTYPE_GENERIC_ATA	4
-
-#define IPR_QUEUEING_MODEL(res)	((((res)->cfgte.flags) & 0x70) >> 4)
-#define IPR_QUEUE_FROZEN_MODEL	0
+
+#define IPR_QUEUEING_MODEL(res)	((((res)->flags) & 0x70) >> 4)
+#define IPR_QUEUE_FROZEN_MODEL		0
 #define IPR_QUEUE_NACA_MODEL		1
 
 	struct ipr_res_addr res_addr;
@@ -347,6 +373,28 @@ struct ipr_config_table_entry {
 	struct ipr_std_inq_data std_inq_data;
 }__attribute__ ((packed, aligned (4)));
 
+struct ipr_config_table_entry64 {
+	u8 res_type;
+	u8 proto;
+	u8 vset_num;
+	u8 array_id;
+	__be16 flags;
+	__be16 res_flags;
+#define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
+	__be32 res_handle;
+	u8 dev_id_type;
+	u8 reserved[3];
+	__be64 dev_id;
+	__be64 lun;
+	__be64 lun_wwn[2];
+#define IPR_MAX_RES_PATH_LENGTH		24
+	__be64 res_path;
+	struct ipr_std_inq_data std_inq_data;
+	u8 reserved2[4];
+	__be64 reserved3[2]; // description text
+	u8 reserved4[8];
+}__attribute__ ((packed, aligned (8)));
+
 struct ipr_config_table_hdr {
 	u8 num_entries;
 	u8 flags;
@@ -354,13 +402,35 @@ struct ipr_config_table_hdr {
 	__be16 reserved;
 }__attribute__((packed, aligned (4)));
 
+struct ipr_config_table_hdr64 {
+	__be16 num_entries;
+	__be16 reserved;
+	u8 flags;
+	u8 reserved2[11];
+}__attribute__((packed, aligned (4)));
+
 struct ipr_config_table {
 	struct ipr_config_table_hdr hdr;
-	struct ipr_config_table_entry dev[IPR_MAX_PHYSICAL_DEVS];
+	struct ipr_config_table_entry dev[0];
 }__attribute__((packed, aligned (4)));
 
+struct ipr_config_table64 {
+	struct ipr_config_table_hdr64 hdr64;
+	struct ipr_config_table_entry64 dev[0];
+}__attribute__((packed, aligned (8)));
+
+struct ipr_config_table_entry_wrapper {
+	union {
+		struct ipr_config_table_entry *cfgte;
+		struct ipr_config_table_entry64 *cfgte64;
+	} u;
+};
+
 struct ipr_hostrcb_cfg_ch_not {
-	struct ipr_config_table_entry cfgte;
+	union {
+		struct ipr_config_table_entry cfgte;
+		struct ipr_config_table_entry64 cfgte64;
+	} u;
 	u8 reserved[936];
 }__attribute__((packed, aligned (4)));
 
@@ -381,7 +451,7 @@ struct ipr_cmd_pkt {
 #define IPR_RQTYPE_HCAM			0x02
 #define IPR_RQTYPE_ATA_PASSTHRU	0x04
 
-	u8 luntar_luntrn;
+	u8 reserved2;
 
 	u8 flags_hi;
 #define IPR_FLAGS_HI_WRITE_NOT_READ		0x80
@@ -403,7 +473,7 @@ struct ipr_cmd_pkt {
 	__be16 timeout;
 }__attribute__ ((packed, aligned(4)));
 
-struct ipr_ioarcb_ata_regs {
+struct ipr_ioarcb_ata_regs {	/* 22 bytes */
 	u8 flags;
 #define IPR_ATA_FLAG_PACKET_CMD			0x80
 #define IPR_ATA_FLAG_XFER_TYPE_DMA			0x40
@@ -442,28 +512,49 @@ struct ipr_ioadl_desc {
 	__be32 address;
 }__attribute__((packed, aligned (8)));
 
+struct ipr_ioadl64_desc {
+	__be32 flags;
+	__be32 data_len;
+	__be64 address;
+}__attribute__((packed, aligned (16)));
+
+struct ipr_ata64_ioadl {
+	struct ipr_ioarcb_ata_regs regs;
+	u16 reserved[5];
+	struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
+}__attribute__((packed, aligned (16)));
+
 struct ipr_ioarcb_add_data {
 	union {
 		struct ipr_ioarcb_ata_regs regs;
 		struct ipr_ioadl_desc ioadl[5];
 		__be32 add_cmd_parms[10];
-	}u;
-}__attribute__ ((packed, aligned(4)));
+	} u;
+}__attribute__ ((packed, aligned (4)));
+
+struct ipr_ioarcb_sis64_add_addr_ecb {
+	__be64 ioasa_host_pci_addr;
+	__be64 data_ioadl_addr;
+	__be64 reserved;
+	__be32 ext_control_buf[4];
+}__attribute__((packed, aligned (8)));
 
 /* IOA Request Control Block    128 bytes  */
 struct ipr_ioarcb {
-	__be32 ioarcb_host_pci_addr;
-	__be32 reserved;
+	union {
+		__be32 ioarcb_host_pci_addr;
+		__be64 ioarcb_host_pci_addr64;
+	} a;
 	__be32 res_handle;
 	__be32 host_response_handle;
 	__be32 reserved1;
 	__be32 reserved2;
 	__be32 reserved3;
 
-	__be32 write_data_transfer_length;
+	__be32 data_transfer_length;
 	__be32 read_data_transfer_length;
 	__be32 write_ioadl_addr;
-	__be32 write_ioadl_len;
+	__be32 ioadl_len;
 	__be32 read_ioadl_addr;
 	__be32 read_ioadl_len;
 
@@ -473,8 +564,14 @@ struct ipr_ioarcb {
 
 	struct ipr_cmd_pkt cmd_pkt;
 
-	__be32 add_cmd_parms_len;
-	struct ipr_ioarcb_add_data add_data;
+	__be16 add_cmd_parms_offset;
+	__be16 add_cmd_parms_len;
+
+	union {
+		struct ipr_ioarcb_add_data add_data;
+		struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
+	} u;
+
 }__attribute__((packed, aligned (4)));
 
 struct ipr_ioasa_vset {
@@ -676,12 +773,29 @@ struct ipr_hostrcb_device_data_entry_enhanced {
 	struct ipr_ext_vpd cfc_last_with_dev_vpd;
 }__attribute__((packed, aligned (4)));
 
+struct ipr_hostrcb64_device_data_entry_enhanced {
+	struct ipr_ext_vpd vpd;
+	u8 ccin[4];
+	u8 res_path[8];
+	struct ipr_ext_vpd new_vpd;
+	u8 new_ccin[4];
+	struct ipr_ext_vpd ioa_last_with_dev_vpd;
+	struct ipr_ext_vpd cfc_last_with_dev_vpd;
+}__attribute__((packed, aligned (4)));
+
 struct ipr_hostrcb_array_data_entry {
 	struct ipr_vpd vpd;
 	struct ipr_res_addr expected_dev_res_addr;
 	struct ipr_res_addr dev_res_addr;
 }__attribute__((packed, aligned (4)));
 
+struct ipr_hostrcb64_array_data_entry {
+	struct ipr_ext_vpd vpd;
+	u8 ccin[4];
+	u8 expected_res_path[8];
+	u8 res_path[8];
+}__attribute__((packed, aligned (4)));
+
 struct ipr_hostrcb_array_data_entry_enhanced {
 	struct ipr_ext_vpd vpd;
 	u8 ccin[4];
@@ -733,6 +847,14 @@ struct ipr_hostrcb_type_13_error {
 	struct ipr_hostrcb_device_data_entry_enhanced dev[3];
 }__attribute__((packed, aligned (4)));
 
+struct ipr_hostrcb_type_23_error {
+	struct ipr_ext_vpd ioa_vpd;
+	struct ipr_ext_vpd cfc_vpd;
+	__be32 errors_detected;
+	__be32 errors_logged;
+	struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
+}__attribute__((packed, aligned (4)));
+
 struct ipr_hostrcb_type_04_error {
 	struct ipr_vpd ioa_vpd;
 	struct ipr_vpd cfc_vpd;
@@ -760,6 +882,22 @@ struct ipr_hostrcb_type_14_error {
 	struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
 }__attribute__((packed, aligned (4)));
 
+struct ipr_hostrcb_type_24_error {
+	struct ipr_ext_vpd ioa_vpd;
+	struct ipr_ext_vpd cfc_vpd;
+	u8 reserved[2];
+	u8 exposed_mode_adn;
+#define IPR_INVALID_ARRAY_DEV_NUM		0xff
+	u8 array_id;
+	u8 last_res_path[8];
+	u8 protection_level[8];
+	struct ipr_ext_vpd array_vpd;
+	u8 description[16];
+	u8 reserved2[3];
+	u8 num_entries;
+	struct ipr_hostrcb64_array_data_entry array_member[32];
+}__attribute__((packed, aligned (4)));
+
 struct ipr_hostrcb_type_07_error {
 	u8 failure_reason[64];
 	struct ipr_vpd vpd;
@@ -797,6 +935,22 @@ struct ipr_hostrcb_config_element {
 	__be32 wwid[2];
 }__attribute__((packed, aligned (4)));
 
+struct ipr_hostrcb64_config_element {
+	__be16 length;
+	u8 descriptor_id;
+#define IPR_DESCRIPTOR_MASK		0xC0
+#define IPR_DESCRIPTOR_SIS64		0x00
+
+	u8 reserved;
+	u8 type_status;
+
+	u8 reserved2[2];
+	u8 link_rate;
+
+	u8 res_path[8];
+	__be32 wwid[2];
+}__attribute__((packed, aligned (8)));
+
 struct ipr_hostrcb_fabric_desc {
 	__be16 length;
 	u8 ioa_port;
@@ -818,6 +972,20 @@ struct ipr_hostrcb_fabric_desc {
 	struct ipr_hostrcb_config_element elem[1];
 }__attribute__((packed, aligned (4)));
 
+struct ipr_hostrcb64_fabric_desc {
+	__be16 length;
+	u8 descriptor_id;
+
+	u8 reserved;
+	u8 path_state;
+
+	u8 reserved2[2];
+	u8 res_path[8];
+	u8 reserved3[6];
+	__be16 num_entries;
+	struct ipr_hostrcb64_config_element elem[1];
+}__attribute__((packed, aligned (8)));
+
 #define for_each_fabric_cfg(fabric, cfg) \
 		for (cfg = (fabric)->elem; \
 			cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
@@ -830,10 +998,17 @@ struct ipr_hostrcb_type_20_error {
 	struct ipr_hostrcb_fabric_desc desc[1];
 }__attribute__((packed, aligned (4)));
 
+struct ipr_hostrcb_type_30_error {
+	u8 failure_reason[64];
+	u8 reserved[3];
+	u8 num_entries;
+	struct ipr_hostrcb64_fabric_desc desc[1];
+}__attribute__((packed, aligned (4)));
+
 struct ipr_hostrcb_error {
-	__be32 failing_dev_ioasc;
-	struct ipr_res_addr failing_dev_res_addr;
-	__be32 failing_dev_res_handle;
+	__be32 fd_ioasc;
+	struct ipr_res_addr fd_res_addr;
+	__be32 fd_res_handle;
 	__be32 prc;
 	union {
 		struct ipr_hostrcb_type_ff_error type_ff_error;
@@ -850,6 +1025,26 @@ struct ipr_hostrcb_error {
 	} u;
 }__attribute__((packed, aligned (4)));
 
+struct ipr_hostrcb64_error {
+	__be32 fd_ioasc;
+	__be32 ioa_fw_level;
+	__be32 fd_res_handle;
+	__be32 prc;
+	__be64 fd_dev_id;
+	__be64 fd_lun;
+	u8 fd_res_path[8];
+	__be64 time_stamp;
+	u8 reserved[2];
+	union {
+		struct ipr_hostrcb_type_ff_error type_ff_error;
+		struct ipr_hostrcb_type_12_error type_12_error;
+		struct ipr_hostrcb_type_17_error type_17_error;
+		struct ipr_hostrcb_type_23_error type_23_error;
+		struct ipr_hostrcb_type_24_error type_24_error;
+		struct ipr_hostrcb_type_30_error type_30_error;
+	} u;
+}__attribute__((packed, aligned (8)));
+
 struct ipr_hostrcb_raw {
 	__be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
 }__attribute__((packed, aligned (4)));
@@ -887,7 +1082,11 @@ struct ipr_hcam {
 #define IPR_HOST_RCB_OVERLAY_ID_16				0x16
 #define IPR_HOST_RCB_OVERLAY_ID_17				0x17
 #define IPR_HOST_RCB_OVERLAY_ID_20				0x20
-#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT			0xFF
+#define IPR_HOST_RCB_OVERLAY_ID_23				0x23
+#define IPR_HOST_RCB_OVERLAY_ID_24				0x24
+#define IPR_HOST_RCB_OVERLAY_ID_26				0x26
+#define IPR_HOST_RCB_OVERLAY_ID_30				0x30
+#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT				0xFF
 
 	u8 reserved1[3];
 	__be32 ilid;
@@ -897,6 +1096,7 @@ struct ipr_hcam {
 
 	union {
 		struct ipr_hostrcb_error error;
+		struct ipr_hostrcb64_error error64;
 		struct ipr_hostrcb_cfg_ch_not ccn;
 		struct ipr_hostrcb_raw raw;
 	} u;
@@ -907,14 +1107,14 @@ struct ipr_hostrcb {
 	dma_addr_t hostrcb_dma;
 	struct list_head queue;
 	struct ipr_ioa_cfg *ioa_cfg;
+	char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
 };
 
 /* IPR smart dump table structures */
 struct ipr_sdt_entry {
-	__be32 bar_str_offset;
-	__be32 end_offset;
-	u8 entry_byte;
-	u8 reserved[3];
+	__be32 start_token;
+	__be32 end_token;
+	u8 reserved[4];
 
 	u8 flags;
 #define IPR_SDT_ENDIAN		0x80
@@ -960,28 +1160,48 @@ struct ipr_sata_port {
 };
 
 struct ipr_resource_entry {
-	struct ipr_config_table_entry cfgte;
 	u8 needs_sync_complete:1;
 	u8 in_erp:1;
 	u8 add_to_ml:1;
 	u8 del_from_ml:1;
 	u8 resetting_device:1;
 
+	u32 bus;		/* AKA channel */
+	u32 target;		/* AKA id */
+	u32 lun;
+#define IPR_ARRAY_VIRTUAL_BUS			0x1
+#define IPR_VSET_VIRTUAL_BUS			0x2
+#define IPR_IOAFP_VIRTUAL_BUS			0x3
+
+#define IPR_GET_RES_PHYS_LOC(res) \
+	(((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
+
+	u8 ata_class;
+
+	u8 flags;
+	__be16 res_flags;
+
+	__be32 type;
+
+	u8 qmodel;
+	struct ipr_std_inq_data std_inq_data;
+
+	__be32 res_handle;
+	__be64 dev_id;
+	struct scsi_lun dev_lun;
+	u8 res_path[8];
+
+	struct ipr_ioa_cfg *ioa_cfg;
 	struct scsi_device *sdev;
 	struct ipr_sata_port *sata_port;
 	struct list_head queue;
-};
+}; /* struct ipr_resource_entry */
 
 struct ipr_resource_hdr {
 	u16 num_entries;
 	u16 reserved;
 };
 
-struct ipr_resource_table {
-	struct ipr_resource_hdr hdr;
-	struct ipr_resource_entry dev[IPR_MAX_PHYSICAL_DEVS];
-};
-
 struct ipr_misc_cbs {
 	struct ipr_ioa_vpd ioa_vpd;
 	struct ipr_inquiry_page0 page0_data;
@@ -994,27 +1214,51 @@ struct ipr_misc_cbs {
 struct ipr_interrupt_offsets {
 	unsigned long set_interrupt_mask_reg;
 	unsigned long clr_interrupt_mask_reg;
+	unsigned long clr_interrupt_mask_reg32;
 	unsigned long sense_interrupt_mask_reg;
+	unsigned long sense_interrupt_mask_reg32;
 	unsigned long clr_interrupt_reg;
+	unsigned long clr_interrupt_reg32;
 
 	unsigned long sense_interrupt_reg;
+	unsigned long sense_interrupt_reg32;
 	unsigned long ioarrin_reg;
 	unsigned long sense_uproc_interrupt_reg;
+	unsigned long sense_uproc_interrupt_reg32;
 	unsigned long set_uproc_interrupt_reg;
+	unsigned long set_uproc_interrupt_reg32;
 	unsigned long clr_uproc_interrupt_reg;
+	unsigned long clr_uproc_interrupt_reg32;
+
+	unsigned long init_feedback_reg;
+
+	unsigned long dump_addr_reg;
+	unsigned long dump_data_reg;
 };
 
 struct ipr_interrupts {
 	void __iomem *set_interrupt_mask_reg;
 	void __iomem *clr_interrupt_mask_reg;
+	void __iomem *clr_interrupt_mask_reg32;
 	void __iomem *sense_interrupt_mask_reg;
+	void __iomem *sense_interrupt_mask_reg32;
 	void __iomem *clr_interrupt_reg;
+	void __iomem *clr_interrupt_reg32;
 
 	void __iomem *sense_interrupt_reg;
+	void __iomem *sense_interrupt_reg32;
 	void __iomem *ioarrin_reg;
 	void __iomem *sense_uproc_interrupt_reg;
+	void __iomem *sense_uproc_interrupt_reg32;
 	void __iomem *set_uproc_interrupt_reg;
+	void __iomem *set_uproc_interrupt_reg32;
 	void __iomem *clr_uproc_interrupt_reg;
+	void __iomem *clr_uproc_interrupt_reg32;
+
+	void __iomem *init_feedback_reg;
+
+	void __iomem *dump_addr_reg;
+	void __iomem *dump_data_reg;
 };
 
 struct ipr_chip_cfg_t {
@@ -1029,6 +1273,9 @@ struct ipr_chip_t {
 	u16 intr_type;
 #define IPR_USE_LSI			0x00
 #define IPR_USE_MSI			0x01
+	u16 sis_type;
+#define IPR_SIS32			0x00
+#define IPR_SIS64			0x01
 	const struct ipr_chip_cfg_t *cfg;
 };
 
@@ -1073,13 +1320,6 @@ enum ipr_sdt_state {
 	DUMP_OBTAINED
 };
 
-enum ipr_cache_state {
-	CACHE_NONE,
-	CACHE_DISABLED,
-	CACHE_ENABLED,
-	CACHE_INVALID
-};
-
 /* Per-controller data */
 struct ipr_ioa_cfg {
 	char eye_catcher[8];
@@ -1099,10 +1339,17 @@ struct ipr_ioa_cfg {
 	u8 dual_raid:1;
 	u8 needs_warm_reset:1;
 	u8 msi_received:1;
+	u8 sis64:1;
 
 	u8 revid;
 
-	enum ipr_cache_state cache_state;
+	/*
+	 * Bitmaps for SIS64 generated target values
+	 */
+	unsigned long *target_ids;
+	unsigned long *array_ids;
+	unsigned long *vset_ids;
+
 	u16 type; /* CCIN of the card */
 
 	u8 log_level;
@@ -1133,8 +1380,13 @@ struct ipr_ioa_cfg {
 
 	char cfg_table_start[8];
 #define IPR_CFG_TBL_START		"cfg"
-	struct ipr_config_table *cfg_table;
+	union {
+		struct ipr_config_table *cfg_table;
+		struct ipr_config_table64 *cfg_table64;
+	} u;
 	dma_addr_t cfg_table_dma;
+	u32 cfg_table_size;
+	u32 max_devs_supported;
 
 	char resource_table_label[8];
 #define IPR_RES_TABLE_LABEL		"res_tbl"
@@ -1202,13 +1454,17 @@ struct ipr_ioa_cfg {
 	char ipr_cmd_label[8];
 #define IPR_CMD_LABEL		"ipr_cmd"
 	struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];
-	u32 ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
-};
+	dma_addr_t ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];
+}; /* struct ipr_ioa_cfg */
 
 struct ipr_cmnd {
 	struct ipr_ioarcb ioarcb;
+	union {
+		struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
+		struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
+		struct ipr_ata64_ioadl ata_ioadl;
+	} i;
 	struct ipr_ioasa ioasa;
-	struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
 	struct list_head queue;
 	struct scsi_cmnd *scsi_cmd;
 	struct ata_queued_cmd *qc;
@@ -1221,7 +1477,7 @@ struct ipr_cmnd {
 	u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
 	dma_addr_t sense_buffer_dma;
 	unsigned short dma_use_sg;
-	dma_addr_t dma_handle;
+	dma_addr_t dma_addr;
 	struct ipr_cmnd *sibling;
 	union {
 		enum ipr_shutdown_type shutdown_type;
@@ -1314,8 +1570,6 @@ struct ipr_ioa_dump {
 	u32 next_page_index;
 	u32 page_offset;
 	u32 format;
-#define IPR_SDT_FMT2		2
-#define IPR_SDT_UNKNOWN		3
 }__attribute__((packed, aligned (4)));
 
 struct ipr_dump {
@@ -1377,6 +1631,13 @@ struct ipr_ucode_image_header {
 #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)
 #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))
 
+#define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
+	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
+		bus, target, lun, ##__VA_ARGS__)
+
+#define ipr_res_err(ioa_cfg, res, fmt, ...) \
+	ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)
+
 #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
 	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
 		(ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)
@@ -1384,9 +1645,6 @@ struct ipr_ucode_image_header {
 #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
 	ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)
 
-#define ipr_res_err(ioa_cfg, res, fmt, ...) \
-	ipr_ra_err(ioa_cfg, (res)->cfgte.res_addr, fmt, ##__VA_ARGS__)
-
 #define ipr_phys_res_err(ioa_cfg, res, fmt, ...)			\
 {									\
 	if ((res).bus >= IPR_MAX_NUM_BUSES) {				\
@@ -1399,14 +1657,21 @@ struct ipr_ucode_image_header {
 }
 
 #define ipr_hcam_err(hostrcb, fmt, ...)					\
-{													\
-	if (ipr_is_device(&(hostrcb)->hcam.u.error.failing_dev_res_addr)) {		\
-		ipr_ra_err((hostrcb)->ioa_cfg,							\
-				(hostrcb)->hcam.u.error.failing_dev_res_addr,			\
-				fmt, ##__VA_ARGS__);							\
-	} else {											\
-		dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, ##__VA_ARGS__);		\
-	}												\
+{									\
+	if (ipr_is_device(hostrcb)) {					\
+		if ((hostrcb)->ioa_cfg->sis64) {			\
+			printk(KERN_ERR IPR_NAME ": %s: " fmt, 		\
+				ipr_format_resource_path(&hostrcb->hcam.u.error64.fd_res_path[0], \
+					&hostrcb->rp_buffer[0]),	\
+				__VA_ARGS__);				\
+		} else {						\
+			ipr_ra_err((hostrcb)->ioa_cfg,			\
+				(hostrcb)->hcam.u.error.fd_res_addr,	\
+				fmt, __VA_ARGS__);			\
+		}							\
+	} else {							\
+		dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
+	}								\
 }
 
 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
@@ -1432,7 +1697,7 @@ ipr_err("----------------------------------------------------------\n")
  **/
 static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
 {
-	return (res->cfgte.flags & IPR_IS_IOA_RESOURCE) ? 1 : 0;
+	return res->type == IPR_RES_TYPE_IOAFP;
 }
 
 /**
@@ -1444,12 +1709,8 @@ static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
  **/
 static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
 {
-	if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
-	    !ipr_is_ioa_resource(res) &&
-	    IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_AF_DASD)
-		return 1;
-	else
-		return 0;
+	return res->type == IPR_RES_TYPE_AF_DASD ||
+		res->type == IPR_RES_TYPE_REMOTE_AF_DASD;
 }
 
 /**
@@ -1461,12 +1722,7 @@ static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
  **/
 static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
 {
-	if (IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data) &&
-	    !ipr_is_ioa_resource(res) &&
-	    IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_VOLUME_SET)
-		return 1;
-	else
-		return 0;
+	return res->type == IPR_RES_TYPE_VOLUME_SET;
 }
 
 /**
@@ -1478,11 +1734,7 @@ static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
  **/
 static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
 {
-	if (!ipr_is_ioa_resource(res) &&
-	    IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_SCSI)
-		return 1;
-	else
-		return 0;
+	return res->type == IPR_RES_TYPE_GENERIC_SCSI;
 }
 
 /**
@@ -1495,7 +1747,7 @@ static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
 static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
 {
 	if (ipr_is_af_dasd_device(res) ||
-	    (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->cfgte.std_inq_data)))
+	    (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))
 		return 1;
 	else
 		return 0;
@@ -1510,11 +1762,7 @@ static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
  **/
 static inline int ipr_is_gata(struct ipr_resource_entry *res)
 {
-	if (!ipr_is_ioa_resource(res) &&
-	    IPR_RES_SUBTYPE(res) == IPR_SUBTYPE_GENERIC_ATA)
-		return 1;
-	else
-		return 0;
+	return res->type == IPR_RES_TYPE_GENERIC_ATA;
 }
 
 /**
@@ -1526,24 +1774,35 @@ static inline int ipr_is_gata(struct ipr_resource_entry *res)
  **/
 static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
 {
-	if (ipr_is_gscsi(res) && IPR_QUEUEING_MODEL(res) == IPR_QUEUE_NACA_MODEL)
+	if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)
 		return 1;
 	return 0;
 }
 
 /**
- * ipr_is_device - Determine if resource address is that of a device
- * @res_addr:	resource address struct
+ * ipr_is_device - Determine if the hostrcb structure is related to a device
+ * @hostrcb:	host resource control blocks struct
  *
  * Return value:
  * 	1 if AF / 0 if not AF
  **/
-static inline int ipr_is_device(struct ipr_res_addr *res_addr)
+static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
 {
-	if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
-	    (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
-		return 1;
-
+	struct ipr_res_addr *res_addr;
+	u8 *res_path;
+
+	if (hostrcb->ioa_cfg->sis64) {
+		res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
+		if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
+		    res_path[0] == 0x81) && res_path[2] != 0xFF)
+			return 1;
+	} else {
+		res_addr = &hostrcb->hcam.u.error.fd_res_addr;
+
+		if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
+		    (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
+			return 1;
+	}
 	return 0;
 }
 
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 8a89ba900588..249053a9d4fa 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -874,7 +874,7 @@ static struct scsi_host_template iscsi_sw_tcp_sht = {
 	.cmd_per_lun		= ISCSI_DEF_CMD_PER_LUN,
 	.eh_abort_handler       = iscsi_eh_abort,
 	.eh_device_reset_handler= iscsi_eh_device_reset,
-	.eh_target_reset_handler= iscsi_eh_target_reset,
+	.eh_target_reset_handler = iscsi_eh_recover_target,
 	.use_clustering         = DISABLE_CLUSTERING,
 	.slave_alloc            = iscsi_sw_tcp_slave_alloc,
 	.slave_configure        = iscsi_sw_tcp_slave_configure,
diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 6fde2fabfd9b..774e7ac837a5 100644
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -48,7 +48,7 @@ struct kmem_cache *scsi_pkt_cachep;
 #define FC_SRB_CMD_SENT		(1 << 0)	/* cmd has been sent */
 #define FC_SRB_RCV_STATUS	(1 << 1)	/* response has arrived */
 #define FC_SRB_ABORT_PENDING	(1 << 2)	/* cmd abort sent to device */
-#define FC_SRB_ABORTED		(1 << 3)	/* abort acknowleged */
+#define FC_SRB_ABORTED		(1 << 3)	/* abort acknowledged */
 #define FC_SRB_DISCONTIG	(1 << 4)	/* non-sequential data recvd */
 #define FC_SRB_COMPL		(1 << 5)	/* fc_io_compl has been run */
 #define FC_SRB_FCP_PROCESSING_TMO (1 << 6)	/* timer function processing */
@@ -519,7 +519,7 @@ crc_err:
  *
  * Called after receiving a Transfer Ready data descriptor.
  * If the LLD is capable of sequence offload then send down the
- * seq_blen ammount of data in single frame, otherwise send
+ * seq_blen amount of data in single frame, otherwise send
  * multiple frames of the maximum frame payload supported by
  * the target port.
  */
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 703eb6a88790..685eaec53218 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -2338,7 +2338,7 @@ EXPORT_SYMBOL_GPL(iscsi_session_recovery_timedout);
  * This function will wait for a relogin, session termination from
  * userspace, or a recovery/replacement timeout.
  */
-static int iscsi_eh_session_reset(struct scsi_cmnd *sc)
+int iscsi_eh_session_reset(struct scsi_cmnd *sc)
 {
 	struct iscsi_cls_session *cls_session;
 	struct iscsi_session *session;
@@ -2389,6 +2389,7 @@ failed:
 	mutex_unlock(&session->eh_mutex);
 	return SUCCESS;
 }
+EXPORT_SYMBOL_GPL(iscsi_eh_session_reset);
 
 static void iscsi_prep_tgt_reset_pdu(struct scsi_cmnd *sc, struct iscsi_tm *hdr)
 {
@@ -2403,8 +2404,7 @@ static void iscsi_prep_tgt_reset_pdu(struct scsi_cmnd *sc, struct iscsi_tm *hdr)
  * iscsi_eh_target_reset - reset target
  * @sc: scsi command
  *
- * This will attempt to send a warm target reset. If that fails
- * then we will drop the session and attempt ERL0 recovery.
+ * This will attempt to send a warm target reset.
  */
 int iscsi_eh_target_reset(struct scsi_cmnd *sc)
 {
@@ -2476,12 +2476,27 @@ done:
 	ISCSI_DBG_EH(session, "tgt %s reset result = %s\n", session->targetname,
 		     rc == SUCCESS ? "SUCCESS" : "FAILED");
 	mutex_unlock(&session->eh_mutex);
+	return rc;
+}
+EXPORT_SYMBOL_GPL(iscsi_eh_target_reset);
 
+/**
+ * iscsi_eh_recover_target - reset target and possibly the session
+ * @sc: scsi command
+ *
+ * This will attempt to send a warm target reset. If that fails,
+ * we will escalate to ERL0 session recovery.
+ */
+int iscsi_eh_recover_target(struct scsi_cmnd *sc)
+{
+	int rc;
+
+	rc = iscsi_eh_target_reset(sc);
 	if (rc == FAILED)
 		rc = iscsi_eh_session_reset(sc);
 	return rc;
 }
-EXPORT_SYMBOL_GPL(iscsi_eh_target_reset);
+EXPORT_SYMBOL_GPL(iscsi_eh_recover_target);
 
 /*
  * Pre-allocate a pool of @max items of @item_size. By default, the pool
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 84b696463a58..565e16dd74fc 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -37,6 +37,9 @@ struct lpfc_sli2_slim;
 					   the NameServer  before giving up. */
 #define LPFC_CMD_PER_LUN	3	/* max outstanding cmds per lun */
 #define LPFC_DEFAULT_SG_SEG_CNT 64	/* sg element count per scsi cmnd */
+#define LPFC_DEFAULT_MENLO_SG_SEG_CNT 128	/* sg element count per scsi
+		cmnd for menlo needs nearly twice as for firmware
+		downloads using bsg */
 #define LPFC_DEFAULT_PROT_SG_SEG_CNT 4096 /* sg protection elements count */
 #define LPFC_MAX_SG_SEG_CNT	4096	/* sg element count per scsi cmnd */
 #define LPFC_MAX_PROT_SG_SEG_CNT 4096	/* prot sg element count per scsi cmd*/
@@ -509,7 +512,6 @@ struct lpfc_hba {
 	int (*lpfc_hba_down_link)
 		(struct lpfc_hba *);
 
-
 	/* SLI4 specific HBA data structure */
 	struct lpfc_sli4_hba sli4_hba;
 
@@ -623,6 +625,9 @@ struct lpfc_hba {
 	uint32_t cfg_log_verbose;
 	uint32_t cfg_aer_support;
 	uint32_t cfg_suppress_link_up;
+#define LPFC_INITIALIZE_LINK              0	/* do normal init_link mbox */
+#define LPFC_DELAY_INIT_LINK              1	/* layered driver hold off */
+#define LPFC_DELAY_INIT_LINK_INDEFINITELY 2	/* wait, manual intervention */
 
 	lpfc_vpd_t vpd;		/* vital product data */
 
@@ -804,6 +809,9 @@ struct lpfc_hba {
 	struct list_head ct_ev_waiters;
 	struct unsol_rcv_ct_ctx ct_ctx[64];
 	uint32_t ctx_idx;
+
+	uint8_t menlo_flag;	/* menlo generic flags */
+#define HBA_MENLO_SUPPORT	0x1 /* HBA supports menlo commands */
 };
 
 static inline struct Scsi_Host *
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index c992e8328f9e..64cd17eedb64 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -1939,7 +1939,9 @@ static DEVICE_ATTR(lpfc_enable_npiv, S_IRUGO,
 #            0x2  = never bring up link
 # Default value is 0.
 */
-LPFC_ATTR_R(suppress_link_up, 0, 0, 2, "Suppress Link Up at initialization");
+LPFC_ATTR_R(suppress_link_up, LPFC_INITIALIZE_LINK, LPFC_INITIALIZE_LINK,
+		LPFC_DELAY_INIT_LINK_INDEFINITELY,
+		"Suppress Link Up at initialization");
 
 /*
 # lpfc_nodev_tmo: If set, it will hold all I/O errors on devices that disappear
@@ -1966,8 +1968,7 @@ lpfc_nodev_tmo_show(struct device *dev, struct device_attribute *attr,
 {
 	struct Scsi_Host  *shost = class_to_shost(dev);
 	struct lpfc_vport *vport = (struct lpfc_vport *) shost->hostdata;
-	int val = 0;
-	val = vport->cfg_devloss_tmo;
+
 	return snprintf(buf, PAGE_SIZE, "%d\n",	vport->cfg_devloss_tmo);
 }
 
diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c
index f3f1bf1a0a71..692c29f6048e 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.c
+++ b/drivers/scsi/lpfc/lpfc_bsg.c
@@ -83,15 +83,28 @@ struct lpfc_bsg_mbox {
 	struct fc_bsg_job *set_job;
 };
 
+#define MENLO_DID 0x0000FC0E
+
+struct lpfc_bsg_menlo {
+	struct lpfc_iocbq *cmdiocbq;
+	struct lpfc_iocbq *rspiocbq;
+	struct lpfc_dmabuf *bmp;
+
+	/* job waiting for this iocb to finish */
+	struct fc_bsg_job *set_job;
+};
+
 #define TYPE_EVT 	1
 #define TYPE_IOCB	2
 #define TYPE_MBOX	3
+#define TYPE_MENLO	4
 struct bsg_job_data {
 	uint32_t type;
 	union {
 		struct lpfc_bsg_event *evt;
 		struct lpfc_bsg_iocb iocb;
 		struct lpfc_bsg_mbox mbox;
+		struct lpfc_bsg_menlo menlo;
 	} context_un;
 };
 
@@ -2456,6 +2469,18 @@ static int lpfc_bsg_check_cmd_access(struct lpfc_hba *phba,
 	case MBX_PORT_IOV_CONTROL:
 		break;
 	case MBX_SET_VARIABLE:
+		lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+			"1226 mbox: set_variable 0x%x, 0x%x\n",
+			mb->un.varWords[0],
+			mb->un.varWords[1]);
+		if ((mb->un.varWords[0] == SETVAR_MLOMNT)
+			&& (mb->un.varWords[1] == 1)) {
+			phba->wait_4_mlo_maint_flg = 1;
+		} else if (mb->un.varWords[0] == SETVAR_MLORST) {
+			phba->link_flag &= ~LS_LOOPBACK_MODE;
+			phba->fc_topology = TOPOLOGY_PT_PT;
+		}
+		break;
 	case MBX_RUN_BIU_DIAG64:
 	case MBX_READ_EVENT_LOG:
 	case MBX_READ_SPARM64:
@@ -2638,6 +2663,297 @@ job_error:
 }
 
 /**
+ * lpfc_bsg_menlo_cmd_cmp - lpfc_menlo_cmd completion handler
+ * @phba: Pointer to HBA context object.
+ * @cmdiocbq: Pointer to command iocb.
+ * @rspiocbq: Pointer to response iocb.
+ *
+ * This function is the completion handler for iocbs issued using
+ * lpfc_menlo_cmd function. This function is called by the
+ * ring event handler function without any lock held. This function
+ * can be called from both worker thread context and interrupt
+ * context. This function also can be called from another thread which
+ * cleans up the SLI layer objects.
+ * This function copies the contents of the response iocb to the
+ * response iocb memory object provided by the caller of
+ * lpfc_sli_issue_iocb_wait and then wakes up the thread which
+ * sleeps for the iocb completion.
+ **/
+static void
+lpfc_bsg_menlo_cmd_cmp(struct lpfc_hba *phba,
+			struct lpfc_iocbq *cmdiocbq,
+			struct lpfc_iocbq *rspiocbq)
+{
+	struct bsg_job_data *dd_data;
+	struct fc_bsg_job *job;
+	IOCB_t *rsp;
+	struct lpfc_dmabuf *bmp;
+	struct lpfc_bsg_menlo *menlo;
+	unsigned long flags;
+	struct menlo_response *menlo_resp;
+	int rc = 0;
+
+	spin_lock_irqsave(&phba->ct_ev_lock, flags);
+	dd_data = cmdiocbq->context1;
+	if (!dd_data) {
+		spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+		return;
+	}
+
+	menlo = &dd_data->context_un.menlo;
+	job = menlo->set_job;
+	job->dd_data = NULL; /* so timeout handler does not reply */
+
+	spin_lock_irqsave(&phba->hbalock, flags);
+	cmdiocbq->iocb_flag |= LPFC_IO_WAKE;
+	if (cmdiocbq->context2 && rspiocbq)
+		memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb,
+		       &rspiocbq->iocb, sizeof(IOCB_t));
+	spin_unlock_irqrestore(&phba->hbalock, flags);
+
+	bmp = menlo->bmp;
+	rspiocbq = menlo->rspiocbq;
+	rsp = &rspiocbq->iocb;
+
+	pci_unmap_sg(phba->pcidev, job->request_payload.sg_list,
+		     job->request_payload.sg_cnt, DMA_TO_DEVICE);
+	pci_unmap_sg(phba->pcidev, job->reply_payload.sg_list,
+		     job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+
+	/* always return the xri, this would be used in the case
+	 * of a menlo download to allow the data to be sent as a continuation
+	 * of the exchange.
+	 */
+	menlo_resp = (struct menlo_response *)
+		job->reply->reply_data.vendor_reply.vendor_rsp;
+	menlo_resp->xri = rsp->ulpContext;
+	if (rsp->ulpStatus) {
+		if (rsp->ulpStatus == IOSTAT_LOCAL_REJECT) {
+			switch (rsp->un.ulpWord[4] & 0xff) {
+			case IOERR_SEQUENCE_TIMEOUT:
+				rc = -ETIMEDOUT;
+				break;
+			case IOERR_INVALID_RPI:
+				rc = -EFAULT;
+				break;
+			default:
+				rc = -EACCES;
+				break;
+			}
+		} else
+			rc = -EACCES;
+	} else
+		job->reply->reply_payload_rcv_len =
+			rsp->un.genreq64.bdl.bdeSize;
+
+	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
+	lpfc_sli_release_iocbq(phba, rspiocbq);
+	lpfc_sli_release_iocbq(phba, cmdiocbq);
+	kfree(bmp);
+	kfree(dd_data);
+	/* make error code available to userspace */
+	job->reply->result = rc;
+	/* complete the job back to userspace */
+	job->job_done(job);
+	spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+	return;
+}
+
+/**
+ * lpfc_menlo_cmd - send an ioctl for menlo hardware
+ * @job: fc_bsg_job to handle
+ *
+ * This function issues a gen request 64 CR ioctl for all menlo cmd requests,
+ * all the command completions will return the xri for the command.
+ * For menlo data requests a gen request 64 CX is used to continue the exchange
+ * supplied in the menlo request header xri field.
+ **/
+static int
+lpfc_menlo_cmd(struct fc_bsg_job *job)
+{
+	struct lpfc_vport *vport = (struct lpfc_vport *)job->shost->hostdata;
+	struct lpfc_hba *phba = vport->phba;
+	struct lpfc_iocbq *cmdiocbq, *rspiocbq;
+	IOCB_t *cmd, *rsp;
+	int rc = 0;
+	struct menlo_command *menlo_cmd;
+	struct menlo_response *menlo_resp;
+	struct lpfc_dmabuf *bmp = NULL;
+	int request_nseg;
+	int reply_nseg;
+	struct scatterlist *sgel = NULL;
+	int numbde;
+	dma_addr_t busaddr;
+	struct bsg_job_data *dd_data;
+	struct ulp_bde64 *bpl = NULL;
+
+	/* in case no data is returned return just the return code */
+	job->reply->reply_payload_rcv_len = 0;
+
+	if (job->request_len <
+	    sizeof(struct fc_bsg_request) +
+		sizeof(struct menlo_command)) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
+				"2784 Received MENLO_CMD request below "
+				"minimum size\n");
+		rc = -ERANGE;
+		goto no_dd_data;
+	}
+
+	if (job->reply_len <
+	    sizeof(struct fc_bsg_request) + sizeof(struct menlo_response)) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
+				"2785 Received MENLO_CMD reply below "
+				"minimum size\n");
+		rc = -ERANGE;
+		goto no_dd_data;
+	}
+
+	if (!(phba->menlo_flag & HBA_MENLO_SUPPORT)) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
+				"2786 Adapter does not support menlo "
+				"commands\n");
+		rc = -EPERM;
+		goto no_dd_data;
+	}
+
+	menlo_cmd = (struct menlo_command *)
+		job->request->rqst_data.h_vendor.vendor_cmd;
+
+	menlo_resp = (struct menlo_response *)
+		job->reply->reply_data.vendor_reply.vendor_rsp;
+
+	/* allocate our bsg tracking structure */
+	dd_data = kmalloc(sizeof(struct bsg_job_data), GFP_KERNEL);
+	if (!dd_data) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_LIBDFC,
+				"2787 Failed allocation of dd_data\n");
+		rc = -ENOMEM;
+		goto no_dd_data;
+	}
+
+	bmp = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL);
+	if (!bmp) {
+		rc = -ENOMEM;
+		goto free_dd;
+	}
+
+	cmdiocbq = lpfc_sli_get_iocbq(phba);
+	if (!cmdiocbq) {
+		rc = -ENOMEM;
+		goto free_bmp;
+	}
+
+	rspiocbq = lpfc_sli_get_iocbq(phba);
+	if (!rspiocbq) {
+		rc = -ENOMEM;
+		goto free_cmdiocbq;
+	}
+
+	rsp = &rspiocbq->iocb;
+
+	bmp->virt = lpfc_mbuf_alloc(phba, 0, &bmp->phys);
+	if (!bmp->virt) {
+		rc = -ENOMEM;
+		goto free_rspiocbq;
+	}
+
+	INIT_LIST_HEAD(&bmp->list);
+	bpl = (struct ulp_bde64 *) bmp->virt;
+	request_nseg = pci_map_sg(phba->pcidev, job->request_payload.sg_list,
+				  job->request_payload.sg_cnt, DMA_TO_DEVICE);
+	for_each_sg(job->request_payload.sg_list, sgel, request_nseg, numbde) {
+		busaddr = sg_dma_address(sgel);
+		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
+		bpl->tus.f.bdeSize = sg_dma_len(sgel);
+		bpl->tus.w = cpu_to_le32(bpl->tus.w);
+		bpl->addrLow = cpu_to_le32(putPaddrLow(busaddr));
+		bpl->addrHigh = cpu_to_le32(putPaddrHigh(busaddr));
+		bpl++;
+	}
+
+	reply_nseg = pci_map_sg(phba->pcidev, job->reply_payload.sg_list,
+				job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+	for_each_sg(job->reply_payload.sg_list, sgel, reply_nseg, numbde) {
+		busaddr = sg_dma_address(sgel);
+		bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64I;
+		bpl->tus.f.bdeSize = sg_dma_len(sgel);
+		bpl->tus.w = cpu_to_le32(bpl->tus.w);
+		bpl->addrLow = cpu_to_le32(putPaddrLow(busaddr));
+		bpl->addrHigh = cpu_to_le32(putPaddrHigh(busaddr));
+		bpl++;
+	}
+
+	cmd = &cmdiocbq->iocb;
+	cmd->un.genreq64.bdl.ulpIoTag32 = 0;
+	cmd->un.genreq64.bdl.addrHigh = putPaddrHigh(bmp->phys);
+	cmd->un.genreq64.bdl.addrLow = putPaddrLow(bmp->phys);
+	cmd->un.genreq64.bdl.bdeFlags = BUFF_TYPE_BLP_64;
+	cmd->un.genreq64.bdl.bdeSize =
+	    (request_nseg + reply_nseg) * sizeof(struct ulp_bde64);
+	cmd->un.genreq64.w5.hcsw.Fctl = (SI | LA);
+	cmd->un.genreq64.w5.hcsw.Dfctl = 0;
+	cmd->un.genreq64.w5.hcsw.Rctl = FC_RCTL_DD_UNSOL_CMD;
+	cmd->un.genreq64.w5.hcsw.Type = MENLO_TRANSPORT_TYPE; /* 0xfe */
+	cmd->ulpBdeCount = 1;
+	cmd->ulpClass = CLASS3;
+	cmd->ulpOwner = OWN_CHIP;
+	cmd->ulpLe = 1; /* Limited Edition */
+	cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC;
+	cmdiocbq->vport = phba->pport;
+	/* We want the firmware to timeout before we do */
+	cmd->ulpTimeout = MENLO_TIMEOUT - 5;
+	cmdiocbq->context3 = bmp;
+	cmdiocbq->context2 = rspiocbq;
+	cmdiocbq->iocb_cmpl = lpfc_bsg_menlo_cmd_cmp;
+	cmdiocbq->context1 = dd_data;
+	cmdiocbq->context2 = rspiocbq;
+	if (menlo_cmd->cmd == LPFC_BSG_VENDOR_MENLO_CMD) {
+		cmd->ulpCommand = CMD_GEN_REQUEST64_CR;
+		cmd->ulpPU = MENLO_PU; /* 3 */
+		cmd->un.ulpWord[4] = MENLO_DID; /* 0x0000FC0E */
+		cmd->ulpContext = MENLO_CONTEXT; /* 0 */
+	} else {
+		cmd->ulpCommand = CMD_GEN_REQUEST64_CX;
+		cmd->ulpPU = 1;
+		cmd->un.ulpWord[4] = 0;
+		cmd->ulpContext = menlo_cmd->xri;
+	}
+
+	dd_data->type = TYPE_MENLO;
+	dd_data->context_un.menlo.cmdiocbq = cmdiocbq;
+	dd_data->context_un.menlo.rspiocbq = rspiocbq;
+	dd_data->context_un.menlo.set_job = job;
+	dd_data->context_un.menlo.bmp = bmp;
+
+	rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, cmdiocbq,
+		MENLO_TIMEOUT - 5);
+	if (rc == IOCB_SUCCESS)
+		return 0; /* done for now */
+
+	/* iocb failed so cleanup */
+	pci_unmap_sg(phba->pcidev, job->request_payload.sg_list,
+		     job->request_payload.sg_cnt, DMA_TO_DEVICE);
+	pci_unmap_sg(phba->pcidev, job->reply_payload.sg_list,
+		     job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
+
+	lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
+
+free_rspiocbq:
+	lpfc_sli_release_iocbq(phba, rspiocbq);
+free_cmdiocbq:
+	lpfc_sli_release_iocbq(phba, cmdiocbq);
+free_bmp:
+	kfree(bmp);
+free_dd:
+	kfree(dd_data);
+no_dd_data:
+	/* make error code available to userspace */
+	job->reply->result = rc;
+	job->dd_data = NULL;
+	return rc;
+}
+/**
  * lpfc_bsg_hst_vendor - process a vendor-specific fc_bsg_job
  * @job: fc_bsg_job to handle
  **/
@@ -2669,6 +2985,10 @@ lpfc_bsg_hst_vendor(struct fc_bsg_job *job)
 	case LPFC_BSG_VENDOR_MBOX:
 		rc = lpfc_bsg_mbox_cmd(job);
 		break;
+	case LPFC_BSG_VENDOR_MENLO_CMD:
+	case LPFC_BSG_VENDOR_MENLO_DATA:
+		rc = lpfc_menlo_cmd(job);
+		break;
 	default:
 		rc = -EINVAL;
 		job->reply->reply_payload_rcv_len = 0;
@@ -2728,6 +3048,7 @@ lpfc_bsg_timeout(struct fc_bsg_job *job)
 	struct lpfc_bsg_event *evt;
 	struct lpfc_bsg_iocb *iocb;
 	struct lpfc_bsg_mbox *mbox;
+	struct lpfc_bsg_menlo *menlo;
 	struct lpfc_sli_ring *pring = &phba->sli.ring[LPFC_ELS_RING];
 	struct bsg_job_data *dd_data;
 	unsigned long flags;
@@ -2775,6 +3096,17 @@ lpfc_bsg_timeout(struct fc_bsg_job *job)
 		spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
 		job->job_done(job);
 		break;
+	case TYPE_MENLO:
+		menlo = &dd_data->context_un.menlo;
+		cmdiocb = menlo->cmdiocbq;
+		/* hint to completion handler that the job timed out */
+		job->reply->result = -EAGAIN;
+		spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
+		/* this will call our completion handler */
+		spin_lock_irq(&phba->hbalock);
+		lpfc_sli_issue_abort_iotag(phba, pring, cmdiocb);
+		spin_unlock_irq(&phba->hbalock);
+		break;
 	default:
 		spin_unlock_irqrestore(&phba->ct_ev_lock, flags);
 		break;
diff --git a/drivers/scsi/lpfc/lpfc_bsg.h b/drivers/scsi/lpfc/lpfc_bsg.h
index 6c8f87e39b98..5bc630819b9e 100644
--- a/drivers/scsi/lpfc/lpfc_bsg.h
+++ b/drivers/scsi/lpfc/lpfc_bsg.h
@@ -31,6 +31,8 @@
 #define LPFC_BSG_VENDOR_DIAG_TEST	5
 #define LPFC_BSG_VENDOR_GET_MGMT_REV	6
 #define LPFC_BSG_VENDOR_MBOX		7
+#define LPFC_BSG_VENDOR_MENLO_CMD	8
+#define LPFC_BSG_VENDOR_MENLO_DATA	9
 
 struct set_ct_event {
 	uint32_t command;
@@ -96,3 +98,13 @@ struct dfc_mbox_req {
 	uint8_t mbOffset;
 };
 
+/* Used for menlo command or menlo data. The xri is only used for menlo data */
+struct menlo_command {
+	uint32_t cmd;
+	uint32_t xri;
+};
+
+struct menlo_response {
+	uint32_t xri; /* return the xri of the iocb exchange */
+};
+
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index 6f0fb51eb461..5087c4211b43 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -63,6 +63,7 @@ void lpfc_linkdown_port(struct lpfc_vport *);
 void lpfc_port_link_failure(struct lpfc_vport *);
 void lpfc_mbx_cmpl_read_la(struct lpfc_hba *, LPFC_MBOXQ_t *);
 void lpfc_init_vpi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_cancel_all_vport_retry_delay_timer(struct lpfc_hba *);
 void lpfc_retry_pport_discovery(struct lpfc_hba *);
 
 void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *);
@@ -221,6 +222,10 @@ void lpfc_unregister_fcf_rescan(struct lpfc_hba *);
 void lpfc_unregister_unused_fcf(struct lpfc_hba *);
 int lpfc_sli4_redisc_fcf_table(struct lpfc_hba *);
 void lpfc_fcf_redisc_wait_start_timer(struct lpfc_hba *);
+void lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *);
+uint16_t lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *);
+int lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *, uint16_t);
+void lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *, uint16_t);
 
 int lpfc_mem_alloc(struct lpfc_hba *, int align);
 void lpfc_mem_free(struct lpfc_hba *);
@@ -385,7 +390,7 @@ void lpfc_parse_fcoe_conf(struct lpfc_hba *, uint8_t *, uint32_t);
 int lpfc_parse_vpd(struct lpfc_hba *, uint8_t *, int);
 void lpfc_start_fdiscs(struct lpfc_hba *phba);
 struct lpfc_vport *lpfc_find_vport_by_vpid(struct lpfc_hba *, uint16_t);
-
+struct lpfc_sglq *__lpfc_get_active_sglq(struct lpfc_hba *, uint16_t);
 #define ScsiResult(host_code, scsi_code) (((host_code) << 16) | scsi_code)
 #define HBA_EVENT_RSCN                   5
 #define HBA_EVENT_LINK_UP                2
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 08b6634cb994..ee980bd66869 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -771,6 +771,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	struct lpfc_nodelist *ndlp = cmdiocb->context1;
 	struct lpfc_dmabuf *pcmd = cmdiocb->context2, *prsp;
 	struct serv_parm *sp;
+	uint16_t fcf_index;
 	int rc;
 
 	/* Check to see if link went down during discovery */
@@ -788,6 +789,54 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		vport->port_state);
 
 	if (irsp->ulpStatus) {
+		/*
+		 * In case of FIP mode, perform round robin FCF failover
+		 * due to new FCF discovery
+		 */
+		if ((phba->hba_flag & HBA_FIP_SUPPORT) &&
+		    (phba->fcf.fcf_flag & FCF_DISCOVERY)) {
+			lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS,
+					"2611 FLOGI failed on registered "
+					"FCF record fcf_index:%d, trying "
+					"to perform round robin failover\n",
+					phba->fcf.current_rec.fcf_indx);
+			fcf_index = lpfc_sli4_fcf_rr_next_index_get(phba);
+			if (fcf_index == LPFC_FCOE_FCF_NEXT_NONE) {
+				/*
+				 * Exhausted the eligible FCF record list,
+				 * fail through to retry FLOGI on current
+				 * FCF record.
+				 */
+				lpfc_printf_log(phba, KERN_WARNING,
+						LOG_FIP | LOG_ELS,
+						"2760 FLOGI exhausted FCF "
+						"round robin failover list, "
+						"retry FLOGI on the current "
+						"registered FCF index:%d\n",
+						phba->fcf.current_rec.fcf_indx);
+				spin_lock_irq(&phba->hbalock);
+				phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+				spin_unlock_irq(&phba->hbalock);
+			} else {
+				rc = lpfc_sli4_fcf_rr_read_fcf_rec(phba,
+								   fcf_index);
+				if (rc) {
+					lpfc_printf_log(phba, KERN_WARNING,
+							LOG_FIP | LOG_ELS,
+							"2761 FLOGI round "
+							"robin FCF failover "
+							"read FCF failed "
+							"rc:x%x, fcf_index:"
+							"%d\n", rc,
+						phba->fcf.current_rec.fcf_indx);
+					spin_lock_irq(&phba->hbalock);
+					phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+					spin_unlock_irq(&phba->hbalock);
+				} else
+					goto out;
+			}
+		}
+
 		/* Check for retry */
 		if (lpfc_els_retry(phba, cmdiocb, rspiocb))
 			goto out;
@@ -806,9 +855,8 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		}
 
 		/* FLOGI failure */
-		lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
-				 "0100 FLOGI failure Data: x%x x%x "
-				 "x%x\n",
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+				 "0100 FLOGI failure Status:x%x/x%x TMO:x%x\n",
 				 irsp->ulpStatus, irsp->un.ulpWord[4],
 				 irsp->ulpTimeout);
 		goto flogifail;
@@ -842,8 +890,18 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		else
 			rc = lpfc_cmpl_els_flogi_nport(vport, ndlp, sp);
 
-		if (!rc)
+		if (!rc) {
+			/* Mark the FCF discovery process done */
+			lpfc_printf_vlog(vport, KERN_INFO, LOG_FIP | LOG_ELS,
+					 "2769 FLOGI successful on FCF record: "
+					 "current_fcf_index:x%x, terminate FCF "
+					 "round robin failover process\n",
+					 phba->fcf.current_rec.fcf_indx);
+			spin_lock_irq(&phba->hbalock);
+			phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+			spin_unlock_irq(&phba->hbalock);
 			goto out;
+		}
 	}
 
 flogifail:
@@ -981,7 +1039,7 @@ lpfc_issue_els_flogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
  * function returns, it does not guarantee all the IOCBs are actually aborted.
  *
  * Return code
- *   0 - Sucessfully issued abort iocb on all outstanding flogis (Always 0)
+ *   0 - Successfully issued abort iocb on all outstanding flogis (Always 0)
  **/
 int
 lpfc_els_abort_flogi(struct lpfc_hba *phba)
@@ -1409,6 +1467,10 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			goto out;
 		}
 		/* PLOGI failed */
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+				 "2753 PLOGI failure DID:%06X Status:x%x/x%x\n",
+				 ndlp->nlp_DID, irsp->ulpStatus,
+				 irsp->un.ulpWord[4]);
 		/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
 		if (lpfc_error_lost_link(irsp))
 			rc = NLP_STE_FREED_NODE;
@@ -1577,6 +1639,10 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			goto out;
 		}
 		/* PRLI failed */
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+				 "2754 PRLI failure DID:%06X Status:x%x/x%x\n",
+				 ndlp->nlp_DID, irsp->ulpStatus,
+				 irsp->un.ulpWord[4]);
 		/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
 		if (lpfc_error_lost_link(irsp))
 			goto out;
@@ -1860,6 +1926,10 @@ lpfc_cmpl_els_adisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			goto out;
 		}
 		/* ADISC failed */
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+				 "2755 ADISC failure DID:%06X Status:x%x/x%x\n",
+				 ndlp->nlp_DID, irsp->ulpStatus,
+				 irsp->un.ulpWord[4]);
 		/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
 		if (!lpfc_error_lost_link(irsp))
 			lpfc_disc_state_machine(vport, ndlp, cmdiocb,
@@ -2009,6 +2079,10 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 			/* ELS command is being retried */
 			goto out;
 		/* LOGO failed */
+		lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+				 "2756 LOGO failure DID:%06X Status:x%x/x%x\n",
+				 ndlp->nlp_DID, irsp->ulpStatus,
+				 irsp->un.ulpWord[4]);
 		/* Do not call DSM for lpfc_els_abort'ed ELS cmds */
 		if (lpfc_error_lost_link(irsp))
 			goto out;
@@ -3129,7 +3203,7 @@ lpfc_cmpl_els_rsp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 	if (ndlp && NLP_CHK_NODE_ACT(ndlp) &&
 	    (*((uint32_t *) (pcmd)) == ELS_CMD_LS_RJT)) {
 		/* A LS_RJT associated with Default RPI cleanup has its own
-		 * seperate code path.
+		 * separate code path.
 		 */
 		if (!(ndlp->nlp_flag & NLP_RM_DFLT_RPI))
 			ls_rjt = 1;
@@ -5989,7 +6063,12 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
 			if (phba->sli_rev < LPFC_SLI_REV4)
 				lpfc_issue_fabric_reglogin(vport);
 			else {
-				lpfc_start_fdiscs(phba);
+				/*
+				 * If the physical port is instantiated using
+				 * FDISC, do not start vport discovery.
+				 */
+				if (vport->port_state != LPFC_FDISC)
+					lpfc_start_fdiscs(phba);
 				lpfc_do_scr_ns_plogi(phba, vport);
 			}
 		} else
@@ -6055,21 +6134,18 @@ mbox_err_exit:
 }
 
 /**
- * lpfc_retry_pport_discovery - Start timer to retry FLOGI.
+ * lpfc_cancel_all_vport_retry_delay_timer - Cancel all vport retry delay timer
  * @phba: pointer to lpfc hba data structure.
  *
- * This routine abort all pending discovery commands and
- * start a timer to retry FLOGI for the physical port
- * discovery.
+ * This routine cancels the retry delay timers to all the vports.
  **/
 void
-lpfc_retry_pport_discovery(struct lpfc_hba *phba)
+lpfc_cancel_all_vport_retry_delay_timer(struct lpfc_hba *phba)
 {
 	struct lpfc_vport **vports;
 	struct lpfc_nodelist *ndlp;
-	struct Scsi_Host  *shost;
-	int i;
 	uint32_t link_state;
+	int i;
 
 	/* Treat this failure as linkdown for all vports */
 	link_state = phba->link_state;
@@ -6087,13 +6163,30 @@ lpfc_retry_pport_discovery(struct lpfc_hba *phba)
 		}
 		lpfc_destroy_vport_work_array(phba, vports);
 	}
+}
+
+/**
+ * lpfc_retry_pport_discovery - Start timer to retry FLOGI.
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine abort all pending discovery commands and
+ * start a timer to retry FLOGI for the physical port
+ * discovery.
+ **/
+void
+lpfc_retry_pport_discovery(struct lpfc_hba *phba)
+{
+	struct lpfc_nodelist *ndlp;
+	struct Scsi_Host  *shost;
+
+	/* Cancel the all vports retry delay retry timers */
+	lpfc_cancel_all_vport_retry_delay_timer(phba);
 
 	/* If fabric require FLOGI, then re-instantiate physical login */
 	ndlp = lpfc_findnode_did(phba->pport, Fabric_DID);
 	if (!ndlp)
 		return;
 
-
 	shost = lpfc_shost_from_vport(phba->pport);
 	mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
 	spin_lock_irq(shost->host_lock);
@@ -6219,7 +6312,8 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
 		lpfc_mbx_unreg_vpi(vport);
 		spin_lock_irq(shost->host_lock);
 		vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI;
-		vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
+		if (phba->sli_rev == LPFC_SLI_REV4)
+			vport->fc_flag |= FC_VPORT_NEEDS_INIT_VPI;
 		spin_unlock_irq(shost->host_lock);
 	}
 
@@ -6797,21 +6891,27 @@ lpfc_sli4_els_xri_aborted(struct lpfc_hba *phba,
 	struct lpfc_sglq *sglq_entry = NULL, *sglq_next = NULL;
 	unsigned long iflag = 0;
 
-	spin_lock_irqsave(&phba->sli4_hba.abts_sgl_list_lock, iflag);
+	spin_lock_irqsave(&phba->hbalock, iflag);
+	spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
 	list_for_each_entry_safe(sglq_entry, sglq_next,
 			&phba->sli4_hba.lpfc_abts_els_sgl_list, list) {
 		if (sglq_entry->sli4_xritag == xri) {
 			list_del(&sglq_entry->list);
-			spin_unlock_irqrestore(
-					&phba->sli4_hba.abts_sgl_list_lock,
-					 iflag);
-			spin_lock_irqsave(&phba->hbalock, iflag);
-
 			list_add_tail(&sglq_entry->list,
 				&phba->sli4_hba.lpfc_sgl_list);
+			sglq_entry->state = SGL_FREED;
+			spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
 			spin_unlock_irqrestore(&phba->hbalock, iflag);
 			return;
 		}
 	}
-	spin_unlock_irqrestore(&phba->sli4_hba.abts_sgl_list_lock, iflag);
+	spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
+	sglq_entry = __lpfc_get_active_sglq(phba, xri);
+	if (!sglq_entry || (sglq_entry->sli4_xritag != xri)) {
+		spin_unlock_irqrestore(&phba->hbalock, iflag);
+		return;
+	}
+	sglq_entry->state = SGL_XRI_ABORTED;
+	spin_unlock_irqrestore(&phba->hbalock, iflag);
+	return;
 }
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 2359d0bfb734..c555e3b7f202 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -1481,8 +1481,6 @@ lpfc_match_fcf_conn_list(struct lpfc_hba *phba,
 int
 lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
 {
-	LPFC_MBOXQ_t *mbox;
-	int rc;
 	/*
 	 * If the Link is up and no FCoE events while in the
 	 * FCF discovery, no need to restart FCF discovery.
@@ -1491,86 +1489,70 @@ lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
 		(phba->fcoe_eventtag == phba->fcoe_eventtag_at_fcf_scan))
 		return 0;
 
+	lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+			"2768 Pending link or FCF event during current "
+			"handling of the previous event: link_state:x%x, "
+			"evt_tag_at_scan:x%x, evt_tag_current:x%x\n",
+			phba->link_state, phba->fcoe_eventtag_at_fcf_scan,
+			phba->fcoe_eventtag);
+
 	spin_lock_irq(&phba->hbalock);
 	phba->fcf.fcf_flag &= ~FCF_AVAILABLE;
 	spin_unlock_irq(&phba->hbalock);
 
-	if (phba->link_state >= LPFC_LINK_UP)
-		lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
-	else {
+	if (phba->link_state >= LPFC_LINK_UP) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+				"2780 Restart FCF table scan due to "
+				"pending FCF event:evt_tag_at_scan:x%x, "
+				"evt_tag_current:x%x\n",
+				phba->fcoe_eventtag_at_fcf_scan,
+				phba->fcoe_eventtag);
+		lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
+	} else {
 		/*
 		 * Do not continue FCF discovery and clear FCF_DISC_INPROGRESS
 		 * flag
 		 */
 		spin_lock_irq(&phba->hbalock);
 		phba->hba_flag &= ~FCF_DISC_INPROGRESS;
-		phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
+		phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV | FCF_DISCOVERY);
 		spin_unlock_irq(&phba->hbalock);
 	}
 
+	/* Unregister the currently registered FCF if required */
 	if (unreg_fcf) {
 		spin_lock_irq(&phba->hbalock);
 		phba->fcf.fcf_flag &= ~FCF_REGISTERED;
 		spin_unlock_irq(&phba->hbalock);
-		mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
-		if (!mbox) {
-			lpfc_printf_log(phba, KERN_ERR,
-				LOG_DISCOVERY|LOG_MBOX,
-				"2610 UNREG_FCFI mbox allocation failed\n");
-			return 1;
-		}
-		lpfc_unreg_fcfi(mbox, phba->fcf.fcfi);
-		mbox->vport = phba->pport;
-		mbox->mbox_cmpl = lpfc_unregister_fcfi_cmpl;
-		rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
-		if (rc == MBX_NOT_FINISHED) {
-			lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
-				"2611 UNREG_FCFI issue mbox failed\n");
-			mempool_free(mbox, phba->mbox_mem_pool);
-		}
+		lpfc_sli4_unregister_fcf(phba);
 	}
-
 	return 1;
 }
 
 /**
- * lpfc_mbx_cmpl_read_fcf_record - Completion handler for read_fcf mbox.
+ * lpfc_sli4_fcf_rec_mbox_parse - parse non-embedded fcf record mailbox command
  * @phba: pointer to lpfc hba data structure.
  * @mboxq: pointer to mailbox object.
+ * @next_fcf_index: pointer to holder of next fcf index.
  *
- * This function iterate through all the fcf records available in
- * HBA and choose the optimal FCF record for discovery. After finding
- * the FCF for discovery it register the FCF record and kick start
- * discovery.
- * If FCF_IN_USE flag is set in currently used FCF, the routine try to
- * use a FCF record which match fabric name and mac address of the
- * currently used FCF record.
- * If the driver support only one FCF, it will try to use the FCF record
- * used by BOOT_BIOS.
+ * This routine parses the non-embedded fcf mailbox command by performing the
+ * necessarily error checking, non-embedded read FCF record mailbox command
+ * SGE parsing, and endianness swapping.
+ *
+ * Returns the pointer to the new FCF record in the non-embedded mailbox
+ * command DMA memory if successfully, other NULL.
  */
-void
-lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+static struct fcf_record *
+lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
+			     uint16_t *next_fcf_index)
 {
 	void *virt_addr;
 	dma_addr_t phys_addr;
-	uint8_t *bytep;
 	struct lpfc_mbx_sge sge;
 	struct lpfc_mbx_read_fcf_tbl *read_fcf;
 	uint32_t shdr_status, shdr_add_status;
 	union lpfc_sli4_cfg_shdr *shdr;
 	struct fcf_record *new_fcf_record;
-	uint32_t boot_flag, addr_mode;
-	uint32_t next_fcf_index;
-	struct lpfc_fcf_rec *fcf_rec = NULL;
-	unsigned long iflags;
-	uint16_t vlan_id;
-	int rc;
-
-	/* If there is pending FCoE event restart FCF table scan */
-	if (lpfc_check_pending_fcoe_event(phba, 0)) {
-		lpfc_sli4_mbox_cmd_free(phba, mboxq);
-		return;
-	}
 
 	/* Get the first SGE entry from the non-embedded DMA memory. This
 	 * routine only uses a single SGE.
@@ -1581,59 +1563,183 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 		lpfc_printf_log(phba, KERN_ERR, LOG_MBOX,
 				"2524 Failed to get the non-embedded SGE "
 				"virtual address\n");
-		goto out;
+		return NULL;
 	}
 	virt_addr = mboxq->sge_array->addr[0];
 
 	shdr = (union lpfc_sli4_cfg_shdr *)virt_addr;
 	shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
-	shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
-				 &shdr->response);
-	/*
-	 * The FCF Record was read and there is no reason for the driver
-	 * to maintain the FCF record data or memory. Instead, just need
-	 * to book keeping the FCFIs can be used.
-	 */
+	shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
 	if (shdr_status || shdr_add_status) {
-		if (shdr_status == STATUS_FCF_TABLE_EMPTY) {
-			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+		if (shdr_status == STATUS_FCF_TABLE_EMPTY)
+			lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
 					"2726 READ_FCF_RECORD Indicates empty "
 					"FCF table.\n");
-		} else {
-			lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+		else
+			lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
 					"2521 READ_FCF_RECORD mailbox failed "
-					"with status x%x add_status x%x, mbx\n",
-					shdr_status, shdr_add_status);
-		}
-		goto out;
+					"with status x%x add_status x%x, "
+					"mbx\n", shdr_status, shdr_add_status);
+		return NULL;
 	}
-	/* Interpreting the returned information of FCF records */
+
+	/* Interpreting the returned information of the FCF record */
 	read_fcf = (struct lpfc_mbx_read_fcf_tbl *)virt_addr;
 	lpfc_sli_pcimem_bcopy(read_fcf, read_fcf,
 			      sizeof(struct lpfc_mbx_read_fcf_tbl));
-	next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf);
-
+	*next_fcf_index = bf_get(lpfc_mbx_read_fcf_tbl_nxt_vindx, read_fcf);
 	new_fcf_record = (struct fcf_record *)(virt_addr +
 			  sizeof(struct lpfc_mbx_read_fcf_tbl));
 	lpfc_sli_pcimem_bcopy(new_fcf_record, new_fcf_record,
 			      sizeof(struct fcf_record));
-	bytep = virt_addr + sizeof(union lpfc_sli4_cfg_shdr);
 
+	return new_fcf_record;
+}
+
+/**
+ * lpfc_sli4_log_fcf_record_info - Log the information of a fcf record
+ * @phba: pointer to lpfc hba data structure.
+ * @fcf_record: pointer to the fcf record.
+ * @vlan_id: the lowest vlan identifier associated to this fcf record.
+ * @next_fcf_index: the index to the next fcf record in hba's fcf table.
+ *
+ * This routine logs the detailed FCF record if the LOG_FIP loggin is
+ * enabled.
+ **/
+static void
+lpfc_sli4_log_fcf_record_info(struct lpfc_hba *phba,
+			      struct fcf_record *fcf_record,
+			      uint16_t vlan_id,
+			      uint16_t next_fcf_index)
+{
+	lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+			"2764 READ_FCF_RECORD:\n"
+			"\tFCF_Index     : x%x\n"
+			"\tFCF_Avail     : x%x\n"
+			"\tFCF_Valid     : x%x\n"
+			"\tFIP_Priority  : x%x\n"
+			"\tMAC_Provider  : x%x\n"
+			"\tLowest VLANID : x%x\n"
+			"\tFCF_MAC Addr  : x%x:%x:%x:%x:%x:%x\n"
+			"\tFabric_Name   : x%x:%x:%x:%x:%x:%x:%x:%x\n"
+			"\tSwitch_Name   : x%x:%x:%x:%x:%x:%x:%x:%x\n"
+			"\tNext_FCF_Index: x%x\n",
+			bf_get(lpfc_fcf_record_fcf_index, fcf_record),
+			bf_get(lpfc_fcf_record_fcf_avail, fcf_record),
+			bf_get(lpfc_fcf_record_fcf_valid, fcf_record),
+			fcf_record->fip_priority,
+			bf_get(lpfc_fcf_record_mac_addr_prov, fcf_record),
+			vlan_id,
+			bf_get(lpfc_fcf_record_mac_0, fcf_record),
+			bf_get(lpfc_fcf_record_mac_1, fcf_record),
+			bf_get(lpfc_fcf_record_mac_2, fcf_record),
+			bf_get(lpfc_fcf_record_mac_3, fcf_record),
+			bf_get(lpfc_fcf_record_mac_4, fcf_record),
+			bf_get(lpfc_fcf_record_mac_5, fcf_record),
+			bf_get(lpfc_fcf_record_fab_name_0, fcf_record),
+			bf_get(lpfc_fcf_record_fab_name_1, fcf_record),
+			bf_get(lpfc_fcf_record_fab_name_2, fcf_record),
+			bf_get(lpfc_fcf_record_fab_name_3, fcf_record),
+			bf_get(lpfc_fcf_record_fab_name_4, fcf_record),
+			bf_get(lpfc_fcf_record_fab_name_5, fcf_record),
+			bf_get(lpfc_fcf_record_fab_name_6, fcf_record),
+			bf_get(lpfc_fcf_record_fab_name_7, fcf_record),
+			bf_get(lpfc_fcf_record_switch_name_0, fcf_record),
+			bf_get(lpfc_fcf_record_switch_name_1, fcf_record),
+			bf_get(lpfc_fcf_record_switch_name_2, fcf_record),
+			bf_get(lpfc_fcf_record_switch_name_3, fcf_record),
+			bf_get(lpfc_fcf_record_switch_name_4, fcf_record),
+			bf_get(lpfc_fcf_record_switch_name_5, fcf_record),
+			bf_get(lpfc_fcf_record_switch_name_6, fcf_record),
+			bf_get(lpfc_fcf_record_switch_name_7, fcf_record),
+			next_fcf_index);
+}
+
+/**
+ * lpfc_mbx_cmpl_fcf_scan_read_fcf_rec - fcf scan read_fcf mbox cmpl handler.
+ * @phba: pointer to lpfc hba data structure.
+ * @mboxq: pointer to mailbox object.
+ *
+ * This function iterates through all the fcf records available in
+ * HBA and chooses the optimal FCF record for discovery. After finding
+ * the FCF for discovery it registers the FCF record and kicks start
+ * discovery.
+ * If FCF_IN_USE flag is set in currently used FCF, the routine tries to
+ * use an FCF record which matches fabric name and mac address of the
+ * currently used FCF record.
+ * If the driver supports only one FCF, it will try to use the FCF record
+ * used by BOOT_BIOS.
+ */
+void
+lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+	struct fcf_record *new_fcf_record;
+	uint32_t boot_flag, addr_mode;
+	uint16_t fcf_index, next_fcf_index;
+	struct lpfc_fcf_rec *fcf_rec = NULL;
+	uint16_t vlan_id;
+	int rc;
+
+	/* If there is pending FCoE event restart FCF table scan */
+	if (lpfc_check_pending_fcoe_event(phba, 0)) {
+		lpfc_sli4_mbox_cmd_free(phba, mboxq);
+		return;
+	}
+
+	/* Parse the FCF record from the non-embedded mailbox command */
+	new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
+						      &next_fcf_index);
+	if (!new_fcf_record) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
+				"2765 Mailbox command READ_FCF_RECORD "
+				"failed to retrieve a FCF record.\n");
+		/* Let next new FCF event trigger fast failover */
+		spin_lock_irq(&phba->hbalock);
+		phba->hba_flag &= ~FCF_DISC_INPROGRESS;
+		spin_unlock_irq(&phba->hbalock);
+		lpfc_sli4_mbox_cmd_free(phba, mboxq);
+		return;
+	}
+
+	/* Check the FCF record against the connection list */
 	rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
 				      &addr_mode, &vlan_id);
+
+	/* Log the FCF record information if turned on */
+	lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
+				      next_fcf_index);
+
 	/*
 	 * If the fcf record does not match with connect list entries
-	 * read the next entry.
+	 * read the next entry; otherwise, this is an eligible FCF
+	 * record for round robin FCF failover.
 	 */
-	if (!rc)
+	if (!rc) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
+				"2781 FCF record fcf_index:x%x failed FCF "
+				"connection list check, fcf_avail:x%x, "
+				"fcf_valid:x%x\n",
+				bf_get(lpfc_fcf_record_fcf_index,
+				       new_fcf_record),
+				bf_get(lpfc_fcf_record_fcf_avail,
+				       new_fcf_record),
+				bf_get(lpfc_fcf_record_fcf_valid,
+				       new_fcf_record));
 		goto read_next_fcf;
+	} else {
+		fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
+		rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index);
+		if (rc)
+			goto read_next_fcf;
+	}
+
 	/*
 	 * If this is not the first FCF discovery of the HBA, use last
 	 * FCF record for the discovery. The condition that a rescan
 	 * matches the in-use FCF record: fabric name, switch name, mac
 	 * address, and vlan_id.
 	 */
-	spin_lock_irqsave(&phba->hbalock, iflags);
+	spin_lock_irq(&phba->hbalock);
 	if (phba->fcf.fcf_flag & FCF_IN_USE) {
 		if (lpfc_fab_name_match(phba->fcf.current_rec.fabric_name,
 					new_fcf_record) &&
@@ -1649,8 +1755,9 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 				__lpfc_sli4_stop_fcf_redisc_wait_timer(phba);
 			else if (phba->fcf.fcf_flag & FCF_REDISC_FOV)
 				/* If in fast failover, mark it's completed */
-				phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
-			spin_unlock_irqrestore(&phba->hbalock, iflags);
+				phba->fcf.fcf_flag &= ~(FCF_REDISC_FOV |
+							FCF_DISCOVERY);
+			spin_unlock_irq(&phba->hbalock);
 			goto out;
 		}
 		/*
@@ -1661,7 +1768,7 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 		 * next candidate.
 		 */
 		if (!(phba->fcf.fcf_flag & FCF_REDISC_FOV)) {
-			spin_unlock_irqrestore(&phba->hbalock, iflags);
+			spin_unlock_irq(&phba->hbalock);
 			goto read_next_fcf;
 		}
 	}
@@ -1669,14 +1776,9 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 	 * Update on failover FCF record only if it's in FCF fast-failover
 	 * period; otherwise, update on current FCF record.
 	 */
-	if (phba->fcf.fcf_flag & FCF_REDISC_FOV) {
-		/* Fast FCF failover only to the same fabric name */
-		if (lpfc_fab_name_match(phba->fcf.current_rec.fabric_name,
-					new_fcf_record))
-			fcf_rec = &phba->fcf.failover_rec;
-		else
-			goto read_next_fcf;
-	} else
+	if (phba->fcf.fcf_flag & FCF_REDISC_FOV)
+		fcf_rec = &phba->fcf.failover_rec;
+	else
 		fcf_rec = &phba->fcf.current_rec;
 
 	if (phba->fcf.fcf_flag & FCF_AVAILABLE) {
@@ -1689,7 +1791,7 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 			/* Choose this FCF record */
 			__lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
 					addr_mode, vlan_id, BOOT_ENABLE);
-			spin_unlock_irqrestore(&phba->hbalock, iflags);
+			spin_unlock_irq(&phba->hbalock);
 			goto read_next_fcf;
 		}
 		/*
@@ -1698,20 +1800,19 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 		 * the next FCF record.
 		 */
 		if (!boot_flag && (fcf_rec->flag & BOOT_ENABLE)) {
-			spin_unlock_irqrestore(&phba->hbalock, iflags);
+			spin_unlock_irq(&phba->hbalock);
 			goto read_next_fcf;
 		}
 		/*
 		 * If the new hba FCF record has lower priority value
 		 * than the driver FCF record, use the new record.
 		 */
-		if (lpfc_fab_name_match(fcf_rec->fabric_name, new_fcf_record) &&
-		    (new_fcf_record->fip_priority < fcf_rec->priority)) {
+		if (new_fcf_record->fip_priority < fcf_rec->priority) {
 			/* Choose this FCF record */
 			__lpfc_update_fcf_record(phba, fcf_rec, new_fcf_record,
 					addr_mode, vlan_id, 0);
 		}
-		spin_unlock_irqrestore(&phba->hbalock, iflags);
+		spin_unlock_irq(&phba->hbalock);
 		goto read_next_fcf;
 	}
 	/*
@@ -1724,7 +1825,7 @@ lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
 					 BOOT_ENABLE : 0));
 		phba->fcf.fcf_flag |= FCF_AVAILABLE;
 	}
-	spin_unlock_irqrestore(&phba->hbalock, iflags);
+	spin_unlock_irq(&phba->hbalock);
 	goto read_next_fcf;
 
 read_next_fcf:
@@ -1740,9 +1841,22 @@ read_next_fcf:
 			 * FCF scan inprogress, and do nothing
 			 */
 			if (!(phba->fcf.failover_rec.flag & RECORD_VALID)) {
-				spin_lock_irqsave(&phba->hbalock, iflags);
+				lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
+					       "2782 No suitable FCF record "
+					       "found during this round of "
+					       "post FCF rediscovery scan: "
+					       "fcf_evt_tag:x%x, fcf_index: "
+					       "x%x\n",
+					       phba->fcoe_eventtag_at_fcf_scan,
+					       bf_get(lpfc_fcf_record_fcf_index,
+						      new_fcf_record));
+				/*
+				 * Let next new FCF event trigger fast
+				 * failover
+				 */
+				spin_lock_irq(&phba->hbalock);
 				phba->hba_flag &= ~FCF_DISC_INPROGRESS;
-				spin_unlock_irqrestore(&phba->hbalock, iflags);
+				spin_unlock_irq(&phba->hbalock);
 				return;
 			}
 			/*
@@ -1754,16 +1868,23 @@ read_next_fcf:
 			 * record.
 			 */
 
-			/* unregister the current in-use FCF record */
+			/* Unregister the current in-use FCF record */
 			lpfc_unregister_fcf(phba);
-			/* replace in-use record with the new record */
+
+			/* Replace in-use record with the new record */
 			memcpy(&phba->fcf.current_rec,
 			       &phba->fcf.failover_rec,
 			       sizeof(struct lpfc_fcf_rec));
 			/* mark the FCF fast failover completed */
-			spin_lock_irqsave(&phba->hbalock, iflags);
+			spin_lock_irq(&phba->hbalock);
 			phba->fcf.fcf_flag &= ~FCF_REDISC_FOV;
-			spin_unlock_irqrestore(&phba->hbalock, iflags);
+			spin_unlock_irq(&phba->hbalock);
+			/*
+			 * Set up the initial registered FCF index for FLOGI
+			 * round robin FCF failover.
+			 */
+			phba->fcf.fcf_rr_init_indx =
+					phba->fcf.failover_rec.fcf_indx;
 			/* Register to the new FCF record */
 			lpfc_register_fcf(phba);
 		} else {
@@ -1776,13 +1897,25 @@ read_next_fcf:
 				return;
 			/*
 			 * Otherwise, initial scan or post linkdown rescan,
-			 * register with the best fit FCF record found so
-			 * far through the scanning process.
+			 * register with the best FCF record found so far
+			 * through the FCF scanning process.
+			 */
+
+			/* mark the initial FCF discovery completed */
+			spin_lock_irq(&phba->hbalock);
+			phba->fcf.fcf_flag &= ~FCF_INIT_DISC;
+			spin_unlock_irq(&phba->hbalock);
+			/*
+			 * Set up the initial registered FCF index for FLOGI
+			 * round robin FCF failover
 			 */
+			phba->fcf.fcf_rr_init_indx =
+					phba->fcf.current_rec.fcf_indx;
+			/* Register to the new FCF record */
 			lpfc_register_fcf(phba);
 		}
 	} else
-		lpfc_sli4_read_fcf_record(phba, next_fcf_index);
+		lpfc_sli4_fcf_scan_read_fcf_rec(phba, next_fcf_index);
 	return;
 
 out:
@@ -1793,6 +1926,141 @@ out:
 }
 
 /**
+ * lpfc_mbx_cmpl_fcf_rr_read_fcf_rec - fcf round robin read_fcf mbox cmpl hdler
+ * @phba: pointer to lpfc hba data structure.
+ * @mboxq: pointer to mailbox object.
+ *
+ * This is the callback function for FLOGI failure round robin FCF failover
+ * read FCF record mailbox command from the eligible FCF record bmask for
+ * performing the failover. If the FCF read back is not valid/available, it
+ * fails through to retrying FLOGI to the currently registered FCF again.
+ * Otherwise, if the FCF read back is valid and available, it will set the
+ * newly read FCF record to the failover FCF record, unregister currently
+ * registered FCF record, copy the failover FCF record to the current
+ * FCF record, and then register the current FCF record before proceeding
+ * to trying FLOGI on the new failover FCF.
+ */
+void
+lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+	struct fcf_record *new_fcf_record;
+	uint32_t boot_flag, addr_mode;
+	uint16_t next_fcf_index;
+	uint16_t current_fcf_index;
+	uint16_t vlan_id;
+
+	/* If link state is not up, stop the round robin failover process */
+	if (phba->link_state < LPFC_LINK_UP) {
+		spin_lock_irq(&phba->hbalock);
+		phba->fcf.fcf_flag &= ~FCF_DISCOVERY;
+		spin_unlock_irq(&phba->hbalock);
+		lpfc_sli4_mbox_cmd_free(phba, mboxq);
+		return;
+	}
+
+	/* Parse the FCF record from the non-embedded mailbox command */
+	new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
+						      &next_fcf_index);
+	if (!new_fcf_record) {
+		lpfc_printf_log(phba, KERN_WARNING, LOG_FIP,
+				"2766 Mailbox command READ_FCF_RECORD "
+				"failed to retrieve a FCF record.\n");
+		goto out;
+	}
+
+	/* Get the needed parameters from FCF record */
+	lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
+				 &addr_mode, &vlan_id);
+
+	/* Log the FCF record information if turned on */
+	lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
+				      next_fcf_index);
+
+	/* Upload new FCF record to the failover FCF record */
+	spin_lock_irq(&phba->hbalock);
+	__lpfc_update_fcf_record(phba, &phba->fcf.failover_rec,
+				 new_fcf_record, addr_mode, vlan_id,
+				 (boot_flag ? BOOT_ENABLE : 0));
+	spin_unlock_irq(&phba->hbalock);
+
+	current_fcf_index = phba->fcf.current_rec.fcf_indx;
+
+	/* Unregister the current in-use FCF record */
+	lpfc_unregister_fcf(phba);
+
+	/* Replace in-use record with the new record */
+	memcpy(&phba->fcf.current_rec, &phba->fcf.failover_rec,
+	       sizeof(struct lpfc_fcf_rec));
+
+	lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+			"2783 FLOGI round robin FCF failover from FCF "
+			"(index:x%x) to FCF (index:x%x).\n",
+			current_fcf_index,
+			bf_get(lpfc_fcf_record_fcf_index, new_fcf_record));
+
+out:
+	lpfc_sli4_mbox_cmd_free(phba, mboxq);
+	lpfc_register_fcf(phba);
+}
+
+/**
+ * lpfc_mbx_cmpl_read_fcf_rec - read fcf completion handler.
+ * @phba: pointer to lpfc hba data structure.
+ * @mboxq: pointer to mailbox object.
+ *
+ * This is the callback function of read FCF record mailbox command for
+ * updating the eligible FCF bmask for FLOGI failure round robin FCF
+ * failover when a new FCF event happened. If the FCF read back is
+ * valid/available and it passes the connection list check, it updates
+ * the bmask for the eligible FCF record for round robin failover.
+ */
+void
+lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
+{
+	struct fcf_record *new_fcf_record;
+	uint32_t boot_flag, addr_mode;
+	uint16_t fcf_index, next_fcf_index;
+	uint16_t vlan_id;
+	int rc;
+
+	/* If link state is not up, no need to proceed */
+	if (phba->link_state < LPFC_LINK_UP)
+		goto out;
+
+	/* If FCF discovery period is over, no need to proceed */
+	if (phba->fcf.fcf_flag & FCF_DISCOVERY)
+		goto out;
+
+	/* Parse the FCF record from the non-embedded mailbox command */
+	new_fcf_record = lpfc_sli4_fcf_rec_mbox_parse(phba, mboxq,
+						      &next_fcf_index);
+	if (!new_fcf_record) {
+		lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+				"2767 Mailbox command READ_FCF_RECORD "
+				"failed to retrieve a FCF record.\n");
+		goto out;
+	}
+
+	/* Check the connection list for eligibility */
+	rc = lpfc_match_fcf_conn_list(phba, new_fcf_record, &boot_flag,
+				      &addr_mode, &vlan_id);
+
+	/* Log the FCF record information if turned on */
+	lpfc_sli4_log_fcf_record_info(phba, new_fcf_record, vlan_id,
+				      next_fcf_index);
+
+	if (!rc)
+		goto out;
+
+	/* Update the eligible FCF record index bmask */
+	fcf_index = bf_get(lpfc_fcf_record_fcf_index, new_fcf_record);
+	rc = lpfc_sli4_fcf_rr_index_set(phba, fcf_index);
+
+out:
+	lpfc_sli4_mbox_cmd_free(phba, mboxq);
+}
+
+/**
  * lpfc_init_vpi_cmpl - Completion handler for init_vpi mbox command.
  * @phba: pointer to lpfc hba data structure.
  * @mboxq: pointer to mailbox data structure.
@@ -2024,8 +2292,6 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
 	int rc;
 	struct fcf_record *fcf_record;
 
-	sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
-
 	spin_lock_irq(&phba->hbalock);
 	switch (la->UlnkSpeed) {
 	case LA_1GHZ_LINK:
@@ -2117,18 +2383,24 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
 	spin_unlock_irq(&phba->hbalock);
 
 	lpfc_linkup(phba);
-	if (sparam_mbox) {
-		lpfc_read_sparam(phba, sparam_mbox, 0);
-		sparam_mbox->vport = vport;
-		sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
-		rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT);
-		if (rc == MBX_NOT_FINISHED) {
-			mp = (struct lpfc_dmabuf *) sparam_mbox->context1;
-			lpfc_mbuf_free(phba, mp->virt, mp->phys);
-			kfree(mp);
-			mempool_free(sparam_mbox, phba->mbox_mem_pool);
-			goto out;
-		}
+	sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!sparam_mbox)
+		goto out;
+
+	rc = lpfc_read_sparam(phba, sparam_mbox, 0);
+	if (rc) {
+		mempool_free(sparam_mbox, phba->mbox_mem_pool);
+		goto out;
+	}
+	sparam_mbox->vport = vport;
+	sparam_mbox->mbox_cmpl = lpfc_mbx_cmpl_read_sparam;
+	rc = lpfc_sli_issue_mbox(phba, sparam_mbox, MBX_NOWAIT);
+	if (rc == MBX_NOT_FINISHED) {
+		mp = (struct lpfc_dmabuf *) sparam_mbox->context1;
+		lpfc_mbuf_free(phba, mp->virt, mp->phys);
+		kfree(mp);
+		mempool_free(sparam_mbox, phba->mbox_mem_pool);
+		goto out;
 	}
 
 	if (!(phba->hba_flag & HBA_FCOE_SUPPORT)) {
@@ -2186,10 +2458,20 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, READ_LA_VAR *la)
 			spin_unlock_irq(&phba->hbalock);
 			return;
 		}
+		/* This is the initial FCF discovery scan */
+		phba->fcf.fcf_flag |= FCF_INIT_DISC;
 		spin_unlock_irq(&phba->hbalock);
-		rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
-		if (rc)
+		lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+				"2778 Start FCF table scan at linkup\n");
+
+		rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
+						     LPFC_FCOE_FCF_GET_FIRST);
+		if (rc) {
+			spin_lock_irq(&phba->hbalock);
+			phba->fcf.fcf_flag &= ~FCF_INIT_DISC;
+			spin_unlock_irq(&phba->hbalock);
 			goto out;
+		}
 	}
 
 	return;
@@ -3379,8 +3661,12 @@ lpfc_unreg_hba_rpis(struct lpfc_hba *phba)
 		shost = lpfc_shost_from_vport(vports[i]);
 		spin_lock_irq(shost->host_lock);
 		list_for_each_entry(ndlp, &vports[i]->fc_nodes, nlp_listp) {
-			if (ndlp->nlp_flag & NLP_RPI_VALID)
+			if (ndlp->nlp_flag & NLP_RPI_VALID) {
+				/* The mempool_alloc might sleep */
+				spin_unlock_irq(shost->host_lock);
 				lpfc_unreg_rpi(vports[i], ndlp);
+				spin_lock_irq(shost->host_lock);
+			}
 		}
 		spin_unlock_irq(shost->host_lock);
 	}
@@ -4756,6 +5042,7 @@ lpfc_unregister_fcf_rescan(struct lpfc_hba *phba)
 		return;
 	/* Reset HBA FCF states after successful unregister FCF */
 	phba->fcf.fcf_flag = 0;
+	phba->fcf.current_rec.flag = 0;
 
 	/*
 	 * If driver is not unloading, check if there is any other
@@ -4765,13 +5052,21 @@ lpfc_unregister_fcf_rescan(struct lpfc_hba *phba)
 	    (phba->link_state < LPFC_LINK_UP))
 		return;
 
-	rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
+	/* This is considered as the initial FCF discovery scan */
+	spin_lock_irq(&phba->hbalock);
+	phba->fcf.fcf_flag |= FCF_INIT_DISC;
+	spin_unlock_irq(&phba->hbalock);
+	rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
 
-	if (rc)
+	if (rc) {
+		spin_lock_irq(&phba->hbalock);
+		phba->fcf.fcf_flag &= ~FCF_INIT_DISC;
+		spin_unlock_irq(&phba->hbalock);
 		lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY|LOG_MBOX,
 				"2553 lpfc_unregister_unused_fcf failed "
 				"to read FCF record HBA state x%x\n",
 				phba->pport->port_state);
+	}
 }
 
 /**
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index d29ac7c317d9..ea44239eeb33 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -350,7 +350,12 @@ lpfc_config_port_post(struct lpfc_hba *phba)
 	mb = &pmb->u.mb;
 
 	/* Get login parameters for NID.  */
-	lpfc_read_sparam(phba, pmb, 0);
+	rc = lpfc_read_sparam(phba, pmb, 0);
+	if (rc) {
+		mempool_free(pmb, phba->mbox_mem_pool);
+		return -ENOMEM;
+	}
+
 	pmb->vport = vport;
 	if (lpfc_sli_issue_mbox(phba, pmb, MBX_POLL) != MBX_SUCCESS) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
@@ -359,7 +364,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
 				mb->mbxCommand, mb->mbxStatus);
 		phba->link_state = LPFC_HBA_ERROR;
 		mp = (struct lpfc_dmabuf *) pmb->context1;
-		mempool_free( pmb, phba->mbox_mem_pool);
+		mempool_free(pmb, phba->mbox_mem_pool);
 		lpfc_mbuf_free(phba, mp->virt, mp->phys);
 		kfree(mp);
 		return -EIO;
@@ -544,7 +549,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
 			mempool_free(pmb, phba->mbox_mem_pool);
 			return -EIO;
 		}
-	} else if (phba->cfg_suppress_link_up == 0) {
+	} else if (phba->cfg_suppress_link_up == LPFC_INITIALIZE_LINK) {
 		lpfc_init_link(phba, pmb, phba->cfg_topology,
 			phba->cfg_link_speed);
 		pmb->mbox_cmpl = lpfc_sli_def_mbox_cmpl;
@@ -571,6 +576,11 @@ lpfc_config_port_post(struct lpfc_hba *phba)
 	}
 	/* MBOX buffer will be freed in mbox compl */
 	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		phba->link_state = LPFC_HBA_ERROR;
+		return -ENOMEM;
+	}
+
 	lpfc_config_async(phba, pmb, LPFC_ELS_RING);
 	pmb->mbox_cmpl = lpfc_config_async_cmpl;
 	pmb->vport = phba->pport;
@@ -588,6 +598,11 @@ lpfc_config_port_post(struct lpfc_hba *phba)
 
 	/* Get Option rom version */
 	pmb = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!pmb) {
+		phba->link_state = LPFC_HBA_ERROR;
+		return -ENOMEM;
+	}
+
 	lpfc_dump_wakeup_param(phba, pmb);
 	pmb->mbox_cmpl = lpfc_dump_wakeup_param_cmpl;
 	pmb->vport = phba->pport;
@@ -652,7 +667,7 @@ lpfc_hba_init_link(struct lpfc_hba *phba)
 			mempool_free(pmb, phba->mbox_mem_pool);
 		return -EIO;
 	}
-	phba->cfg_suppress_link_up = 0;
+	phba->cfg_suppress_link_up = LPFC_INITIALIZE_LINK;
 
 	return 0;
 }
@@ -807,6 +822,8 @@ lpfc_hba_down_post_s4(struct lpfc_hba *phba)
 	LIST_HEAD(aborts);
 	int ret;
 	unsigned long iflag = 0;
+	struct lpfc_sglq *sglq_entry = NULL;
+
 	ret = lpfc_hba_down_post_s3(phba);
 	if (ret)
 		return ret;
@@ -822,6 +839,10 @@ lpfc_hba_down_post_s4(struct lpfc_hba *phba)
 	 * list.
 	 */
 	spin_lock(&phba->sli4_hba.abts_sgl_list_lock);
+	list_for_each_entry(sglq_entry,
+		&phba->sli4_hba.lpfc_abts_els_sgl_list, list)
+		sglq_entry->state = SGL_FREED;
+
 	list_splice_init(&phba->sli4_hba.lpfc_abts_els_sgl_list,
 			&phba->sli4_hba.lpfc_sgl_list);
 	spin_unlock(&phba->sli4_hba.abts_sgl_list_lock);
@@ -2178,8 +2199,10 @@ lpfc_stop_vport_timers(struct lpfc_vport *vport)
 void
 __lpfc_sli4_stop_fcf_redisc_wait_timer(struct lpfc_hba *phba)
 {
-	/* Clear pending FCF rediscovery wait timer */
-	phba->fcf.fcf_flag &= ~FCF_REDISC_PEND;
+	/* Clear pending FCF rediscovery wait and failover in progress flags */
+	phba->fcf.fcf_flag &= ~(FCF_REDISC_PEND |
+				FCF_DEAD_DISC |
+				FCF_ACVL_DISC);
 	/* Now, try to stop the timer */
 	del_timer(&phba->fcf.redisc_wait);
 }
@@ -2576,6 +2599,14 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev)
 	init_timer(&vport->els_tmofunc);
 	vport->els_tmofunc.function = lpfc_els_timeout;
 	vport->els_tmofunc.data = (unsigned long)vport;
+	if (phba->pcidev->device == PCI_DEVICE_ID_HORNET) {
+		phba->menlo_flag |= HBA_MENLO_SUPPORT;
+		/* check for menlo minimum sg count */
+		if (phba->cfg_sg_seg_cnt < LPFC_DEFAULT_MENLO_SG_SEG_CNT) {
+			phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
+			shost->sg_tablesize = phba->cfg_sg_seg_cnt;
+		}
+	}
 
 	error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev);
 	if (error)
@@ -2912,6 +2943,9 @@ lpfc_sli4_fcf_redisc_wait_tmo(unsigned long ptr)
 	/* FCF rediscovery event to worker thread */
 	phba->fcf.fcf_flag |= FCF_REDISC_EVT;
 	spin_unlock_irq(&phba->hbalock);
+	lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+			"2776 FCF rediscover wait timer expired, post "
+			"a worker thread event for FCF table scan\n");
 	/* wake up worker thread */
 	lpfc_worker_wake_up(phba);
 }
@@ -3183,6 +3217,68 @@ out_free_pmb:
 }
 
 /**
+ * lpfc_sli4_perform_vport_cvl - Perform clear virtual link on a vport
+ * @vport: pointer to vport data structure.
+ *
+ * This routine is to perform Clear Virtual Link (CVL) on a vport in
+ * response to a CVL event.
+ *
+ * Return the pointer to the ndlp with the vport if successful, otherwise
+ * return NULL.
+ **/
+static struct lpfc_nodelist *
+lpfc_sli4_perform_vport_cvl(struct lpfc_vport *vport)
+{
+	struct lpfc_nodelist *ndlp;
+	struct Scsi_Host *shost;
+	struct lpfc_hba *phba;
+
+	if (!vport)
+		return NULL;
+	ndlp = lpfc_findnode_did(vport, Fabric_DID);
+	if (!ndlp)
+		return NULL;
+	phba = vport->phba;
+	if (!phba)
+		return NULL;
+	if (phba->pport->port_state <= LPFC_FLOGI)
+		return NULL;
+	/* If virtual link is not yet instantiated ignore CVL */
+	if (vport->port_state <= LPFC_FDISC)
+		return NULL;
+	shost = lpfc_shost_from_vport(vport);
+	if (!shost)
+		return NULL;
+	lpfc_linkdown_port(vport);
+	lpfc_cleanup_pending_mbox(vport);
+	spin_lock_irq(shost->host_lock);
+	vport->fc_flag |= FC_VPORT_CVL_RCVD;
+	spin_unlock_irq(shost->host_lock);
+
+	return ndlp;
+}
+
+/**
+ * lpfc_sli4_perform_all_vport_cvl - Perform clear virtual link on all vports
+ * @vport: pointer to lpfc hba data structure.
+ *
+ * This routine is to perform Clear Virtual Link (CVL) on all vports in
+ * response to a FCF dead event.
+ **/
+static void
+lpfc_sli4_perform_all_vport_cvl(struct lpfc_hba *phba)
+{
+	struct lpfc_vport **vports;
+	int i;
+
+	vports = lpfc_create_vport_work_array(phba);
+	if (vports)
+		for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++)
+			lpfc_sli4_perform_vport_cvl(vports[i]);
+	lpfc_destroy_vport_work_array(phba, vports);
+}
+
+/**
  * lpfc_sli4_async_fcoe_evt - Process the asynchronous fcoe event
  * @phba: pointer to lpfc hba data structure.
  * @acqe_link: pointer to the async fcoe completion queue entry.
@@ -3198,7 +3294,6 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 	struct lpfc_vport *vport;
 	struct lpfc_nodelist *ndlp;
 	struct Scsi_Host  *shost;
-	uint32_t link_state;
 	int active_vlink_present;
 	struct lpfc_vport **vports;
 	int i;
@@ -3208,10 +3303,11 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 	switch (event_type) {
 	case LPFC_FCOE_EVENT_TYPE_NEW_FCF:
 	case LPFC_FCOE_EVENT_TYPE_FCF_PARAM_MOD:
-		lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
-			"2546 New FCF found index 0x%x tag 0x%x\n",
-			acqe_fcoe->index,
-			acqe_fcoe->event_tag);
+		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
+			"2546 New FCF found/FCF parameter modified event: "
+			"evt_tag:x%x, fcf_index:x%x\n",
+			acqe_fcoe->event_tag, acqe_fcoe->index);
+
 		spin_lock_irq(&phba->hbalock);
 		if ((phba->fcf.fcf_flag & FCF_SCAN_DONE) ||
 		    (phba->hba_flag & FCF_DISC_INPROGRESS)) {
@@ -3222,6 +3318,7 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 			spin_unlock_irq(&phba->hbalock);
 			break;
 		}
+
 		if (phba->fcf.fcf_flag & FCF_REDISC_EVT) {
 			/*
 			 * If fast FCF failover rescan event is pending,
@@ -3232,12 +3329,33 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 		}
 		spin_unlock_irq(&phba->hbalock);
 
-		/* Read the FCF table and re-discover SAN. */
-		rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
+		if ((phba->fcf.fcf_flag & FCF_DISCOVERY) &&
+		    !(phba->fcf.fcf_flag & FCF_REDISC_FOV)) {
+			/*
+			 * During period of FCF discovery, read the FCF
+			 * table record indexed by the event to update
+			 * FCF round robin failover eligible FCF bmask.
+			 */
+			lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
+					LOG_DISCOVERY,
+					"2779 Read new FCF record with "
+					"fcf_index:x%x for updating FCF "
+					"round robin failover bmask\n",
+					acqe_fcoe->index);
+			rc = lpfc_sli4_read_fcf_rec(phba, acqe_fcoe->index);
+		}
+
+		/* Otherwise, scan the entire FCF table and re-discover SAN */
+		lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+				"2770 Start FCF table scan due to new FCF "
+				"event: evt_tag:x%x, fcf_index:x%x\n",
+				acqe_fcoe->event_tag, acqe_fcoe->index);
+		rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba,
+						     LPFC_FCOE_FCF_GET_FIRST);
 		if (rc)
-			lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
-					"2547 Read FCF record failed 0x%x\n",
-					rc);
+			lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
+					"2547 Issue FCF scan read FCF mailbox "
+					"command failed 0x%x\n", rc);
 		break;
 
 	case LPFC_FCOE_EVENT_TYPE_FCF_TABLE_FULL:
@@ -3248,47 +3366,63 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 		break;
 
 	case LPFC_FCOE_EVENT_TYPE_FCF_DEAD:
-		lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
 			"2549 FCF disconnected from network index 0x%x"
 			" tag 0x%x\n", acqe_fcoe->index,
 			acqe_fcoe->event_tag);
 		/* If the event is not for currently used fcf do nothing */
 		if (phba->fcf.current_rec.fcf_indx != acqe_fcoe->index)
 			break;
-		/*
-		 * Currently, driver support only one FCF - so treat this as
-		 * a link down, but save the link state because we don't want
-		 * it to be changed to Link Down unless it is already down.
+		/* We request port to rediscover the entire FCF table for
+		 * a fast recovery from case that the current FCF record
+		 * is no longer valid if we are not in the middle of FCF
+		 * failover process already.
 		 */
-		link_state = phba->link_state;
-		lpfc_linkdown(phba);
-		phba->link_state = link_state;
-		/* Unregister FCF if no devices connected to it */
-		lpfc_unregister_unused_fcf(phba);
+		spin_lock_irq(&phba->hbalock);
+		if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
+			spin_unlock_irq(&phba->hbalock);
+			/* Update FLOGI FCF failover eligible FCF bmask */
+			lpfc_sli4_fcf_rr_index_clear(phba, acqe_fcoe->index);
+			break;
+		}
+		/* Mark the fast failover process in progress */
+		phba->fcf.fcf_flag |= FCF_DEAD_DISC;
+		spin_unlock_irq(&phba->hbalock);
+		lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+				"2771 Start FCF fast failover process due to "
+				"FCF DEAD event: evt_tag:x%x, fcf_index:x%x "
+				"\n", acqe_fcoe->event_tag, acqe_fcoe->index);
+		rc = lpfc_sli4_redisc_fcf_table(phba);
+		if (rc) {
+			lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
+					LOG_DISCOVERY,
+					"2772 Issue FCF rediscover mabilbox "
+					"command failed, fail through to FCF "
+					"dead event\n");
+			spin_lock_irq(&phba->hbalock);
+			phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
+			spin_unlock_irq(&phba->hbalock);
+			/*
+			 * Last resort will fail over by treating this
+			 * as a link down to FCF registration.
+			 */
+			lpfc_sli4_fcf_dead_failthrough(phba);
+		} else
+			/* Handling fast FCF failover to a DEAD FCF event
+			 * is considered equalivant to receiving CVL to all
+			 * vports.
+			 */
+			lpfc_sli4_perform_all_vport_cvl(phba);
 		break;
 	case LPFC_FCOE_EVENT_TYPE_CVL:
-		lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
+		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
 			"2718 Clear Virtual Link Received for VPI 0x%x"
 			" tag 0x%x\n", acqe_fcoe->index, acqe_fcoe->event_tag);
 		vport = lpfc_find_vport_by_vpid(phba,
 				acqe_fcoe->index - phba->vpi_base);
-		if (!vport)
-			break;
-		ndlp = lpfc_findnode_did(vport, Fabric_DID);
+		ndlp = lpfc_sli4_perform_vport_cvl(vport);
 		if (!ndlp)
 			break;
-		shost = lpfc_shost_from_vport(vport);
-		if (phba->pport->port_state <= LPFC_FLOGI)
-			break;
-		/* If virtual link is not yet instantiated ignore CVL */
-		if (vport->port_state <= LPFC_FDISC)
-			break;
-
-		lpfc_linkdown_port(vport);
-		lpfc_cleanup_pending_mbox(vport);
-		spin_lock_irq(shost->host_lock);
-		vport->fc_flag |= FC_VPORT_CVL_RCVD;
-		spin_unlock_irq(shost->host_lock);
 		active_vlink_present = 0;
 
 		vports = lpfc_create_vport_work_array(phba);
@@ -3311,6 +3445,7 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 			 * re-instantiate the Vlink using FDISC.
 			 */
 			mod_timer(&ndlp->nlp_delayfunc, jiffies + HZ);
+			shost = lpfc_shost_from_vport(vport);
 			spin_lock_irq(shost->host_lock);
 			ndlp->nlp_flag |= NLP_DELAY_TMO;
 			spin_unlock_irq(shost->host_lock);
@@ -3321,15 +3456,38 @@ lpfc_sli4_async_fcoe_evt(struct lpfc_hba *phba,
 			 * Otherwise, we request port to rediscover
 			 * the entire FCF table for a fast recovery
 			 * from possible case that the current FCF
-			 * is no longer valid.
+			 * is no longer valid if we are not already
+			 * in the FCF failover process.
 			 */
+			spin_lock_irq(&phba->hbalock);
+			if (phba->fcf.fcf_flag & FCF_DISCOVERY) {
+				spin_unlock_irq(&phba->hbalock);
+				break;
+			}
+			/* Mark the fast failover process in progress */
+			phba->fcf.fcf_flag |= FCF_ACVL_DISC;
+			spin_unlock_irq(&phba->hbalock);
+			lpfc_printf_log(phba, KERN_INFO, LOG_FIP |
+					LOG_DISCOVERY,
+					"2773 Start FCF fast failover due "
+					"to CVL event: evt_tag:x%x\n",
+					acqe_fcoe->event_tag);
 			rc = lpfc_sli4_redisc_fcf_table(phba);
-			if (rc)
+			if (rc) {
+				lpfc_printf_log(phba, KERN_ERR, LOG_FIP |
+						LOG_DISCOVERY,
+						"2774 Issue FCF rediscover "
+						"mabilbox command failed, "
+						"through to CVL event\n");
+				spin_lock_irq(&phba->hbalock);
+				phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
+				spin_unlock_irq(&phba->hbalock);
 				/*
 				 * Last resort will be re-try on the
 				 * the current registered FCF entry.
 				 */
 				lpfc_retry_pport_discovery(phba);
+			}
 		}
 		break;
 	default:
@@ -3426,11 +3584,14 @@ void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *phba)
 	spin_unlock_irq(&phba->hbalock);
 
 	/* Scan FCF table from the first entry to re-discover SAN */
-	rc = lpfc_sli4_read_fcf_record(phba, LPFC_FCOE_FCF_GET_FIRST);
+	lpfc_printf_log(phba, KERN_INFO, LOG_FIP | LOG_DISCOVERY,
+			"2777 Start FCF table scan after FCF "
+			"rediscovery quiescent period over\n");
+	rc = lpfc_sli4_fcf_scan_read_fcf_rec(phba, LPFC_FCOE_FCF_GET_FIRST);
 	if (rc)
-		lpfc_printf_log(phba, KERN_ERR, LOG_DISCOVERY,
-				"2747 Post FCF rediscovery read FCF record "
-				"failed 0x%x\n", rc);
+		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY,
+				"2747 Issue FCF scan read FCF mailbox "
+				"command failed 0x%x\n", rc);
 }
 
 /**
@@ -3722,6 +3883,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
 	int rc, i, hbq_count, buf_size, dma_buf_size, max_buf_size;
 	uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0};
 	struct lpfc_mqe *mqe;
+	int longs;
 
 	/* Before proceed, wait for POST done and device ready */
 	rc = lpfc_sli4_post_status_check(phba);
@@ -3898,13 +4060,24 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
 		goto out_free_active_sgl;
 	}
 
+	/* Allocate eligible FCF bmask memory for FCF round robin failover */
+	longs = (LPFC_SLI4_FCF_TBL_INDX_MAX + BITS_PER_LONG - 1)/BITS_PER_LONG;
+	phba->fcf.fcf_rr_bmask = kzalloc(longs * sizeof(unsigned long),
+					 GFP_KERNEL);
+	if (!phba->fcf.fcf_rr_bmask) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2759 Failed allocate memory for FCF round "
+				"robin failover bmask\n");
+		goto out_remove_rpi_hdrs;
+	}
+
 	phba->sli4_hba.fcp_eq_hdl = kzalloc((sizeof(struct lpfc_fcp_eq_hdl) *
 				    phba->cfg_fcp_eq_count), GFP_KERNEL);
 	if (!phba->sli4_hba.fcp_eq_hdl) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 				"2572 Failed allocate memory for fast-path "
 				"per-EQ handle array\n");
-		goto out_remove_rpi_hdrs;
+		goto out_free_fcf_rr_bmask;
 	}
 
 	phba->sli4_hba.msix_entries = kzalloc((sizeof(struct msix_entry) *
@@ -3957,6 +4130,8 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba)
 
 out_free_fcp_eq_hdl:
 	kfree(phba->sli4_hba.fcp_eq_hdl);
+out_free_fcf_rr_bmask:
+	kfree(phba->fcf.fcf_rr_bmask);
 out_remove_rpi_hdrs:
 	lpfc_sli4_remove_rpi_hdrs(phba);
 out_free_active_sgl:
@@ -4002,6 +4177,9 @@ lpfc_sli4_driver_resource_unset(struct lpfc_hba *phba)
 	lpfc_sli4_remove_rpi_hdrs(phba);
 	lpfc_sli4_remove_rpis(phba);
 
+	/* Free eligible FCF index bmask */
+	kfree(phba->fcf.fcf_rr_bmask);
+
 	/* Free the ELS sgl list */
 	lpfc_free_active_sgl(phba);
 	lpfc_free_sgl_list(phba);
@@ -4397,6 +4575,7 @@ lpfc_init_sgl_list(struct lpfc_hba *phba)
 
 		/* The list order is used by later block SGL registraton */
 		spin_lock_irq(&phba->hbalock);
+		sglq_entry->state = SGL_FREED;
 		list_add_tail(&sglq_entry->list, &phba->sli4_hba.lpfc_sgl_list);
 		phba->sli4_hba.lpfc_els_sgl_array[i] = sglq_entry;
 		phba->sli4_hba.total_sglq_bufs++;
diff --git a/drivers/scsi/lpfc/lpfc_logmsg.h b/drivers/scsi/lpfc/lpfc_logmsg.h
index 954ba57970a3..bb59e9273126 100644
--- a/drivers/scsi/lpfc/lpfc_logmsg.h
+++ b/drivers/scsi/lpfc/lpfc_logmsg.h
@@ -35,6 +35,7 @@
 #define LOG_VPORT	0x00004000	/* NPIV events */
 #define LOF_SECURITY	0x00008000	/* Security events */
 #define LOG_EVENT	0x00010000	/* CT,TEMP,DUMP, logging */
+#define LOG_FIP		0x00020000	/* FIP events */
 #define LOG_ALL_MSG	0xffffffff	/* LOG all messages */
 
 #define lpfc_printf_vlog(vport, level, mask, fmt, arg...) \
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index 6c4dce1a30ca..1e61ae3bc4eb 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -1748,7 +1748,7 @@ lpfc_sli4_mbox_opcode_get(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
 }
 
 /**
- * lpfc_sli4_mbx_read_fcf_record - Allocate and construct read fcf mbox cmd
+ * lpfc_sli4_mbx_read_fcf_rec - Allocate and construct read fcf mbox cmd
  * @phba: pointer to lpfc hba data structure.
  * @fcf_index: index to fcf table.
  *
@@ -1759,9 +1759,9 @@ lpfc_sli4_mbox_opcode_get(struct lpfc_hba *phba, struct lpfcMboxq *mbox)
  * NULL.
  **/
 int
-lpfc_sli4_mbx_read_fcf_record(struct lpfc_hba *phba,
-			      struct lpfcMboxq *mboxq,
-			      uint16_t fcf_index)
+lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *phba,
+			   struct lpfcMboxq *mboxq,
+			   uint16_t fcf_index)
 {
 	void *virt_addr;
 	dma_addr_t phys_addr;
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 7f21b47db791..b16bb2c9978b 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -620,23 +620,40 @@ lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *phba,
 	uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri);
 	struct lpfc_scsi_buf *psb, *next_psb;
 	unsigned long iflag = 0;
+	struct lpfc_iocbq *iocbq;
+	int i;
 
-	spin_lock_irqsave(&phba->sli4_hba.abts_scsi_buf_list_lock, iflag);
+	spin_lock_irqsave(&phba->hbalock, iflag);
+	spin_lock(&phba->sli4_hba.abts_scsi_buf_list_lock);
 	list_for_each_entry_safe(psb, next_psb,
 		&phba->sli4_hba.lpfc_abts_scsi_buf_list, list) {
 		if (psb->cur_iocbq.sli4_xritag == xri) {
 			list_del(&psb->list);
 			psb->exch_busy = 0;
 			psb->status = IOSTAT_SUCCESS;
-			spin_unlock_irqrestore(
-				&phba->sli4_hba.abts_scsi_buf_list_lock,
-				iflag);
+			spin_unlock(
+				&phba->sli4_hba.abts_scsi_buf_list_lock);
+			spin_unlock_irqrestore(&phba->hbalock, iflag);
 			lpfc_release_scsi_buf_s4(phba, psb);
 			return;
 		}
 	}
-	spin_unlock_irqrestore(&phba->sli4_hba.abts_scsi_buf_list_lock,
-				iflag);
+	spin_unlock(&phba->sli4_hba.abts_scsi_buf_list_lock);
+	for (i = 1; i <= phba->sli.last_iotag; i++) {
+		iocbq = phba->sli.iocbq_lookup[i];
+
+		if (!(iocbq->iocb_flag &  LPFC_IO_FCP) ||
+			(iocbq->iocb_flag & LPFC_IO_LIBDFC))
+			continue;
+		if (iocbq->sli4_xritag != xri)
+			continue;
+		psb = container_of(iocbq, struct lpfc_scsi_buf, cur_iocbq);
+		psb->exch_busy = 0;
+		spin_unlock_irqrestore(&phba->hbalock, iflag);
+		return;
+
+	}
+	spin_unlock_irqrestore(&phba->hbalock, iflag);
 }
 
 /**
@@ -1006,6 +1023,7 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
 	struct scatterlist *sgel = NULL;
 	struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd;
 	struct ulp_bde64 *bpl = lpfc_cmd->fcp_bpl;
+	struct lpfc_iocbq *iocbq = &lpfc_cmd->cur_iocbq;
 	IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb;
 	struct ulp_bde64 *data_bde = iocb_cmd->unsli3.fcp_ext.dbde;
 	dma_addr_t physaddr;
@@ -1056,6 +1074,7 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
 			physaddr = sg_dma_address(sgel);
 			if (phba->sli_rev == 3 &&
 			    !(phba->sli3_options & LPFC_SLI3_BG_ENABLED) &&
+			    !(iocbq->iocb_flag & DSS_SECURITY_OP) &&
 			    nseg <= LPFC_EXT_DATA_BDE_COUNT) {
 				data_bde->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
 				data_bde->tus.f.bdeSize = sg_dma_len(sgel);
@@ -1082,7 +1101,8 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
 	 * explicitly reinitialized since all iocb memory resources are reused.
 	 */
 	if (phba->sli_rev == 3 &&
-	    !(phba->sli3_options & LPFC_SLI3_BG_ENABLED)) {
+	    !(phba->sli3_options & LPFC_SLI3_BG_ENABLED) &&
+	    !(iocbq->iocb_flag & DSS_SECURITY_OP)) {
 		if (num_bde > LPFC_EXT_DATA_BDE_COUNT) {
 			/*
 			 * The extended IOCB format can only fit 3 BDE or a BPL.
@@ -1107,6 +1127,7 @@ lpfc_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd)
 	} else {
 		iocb_cmd->un.fcpi64.bdl.bdeSize =
 			((num_bde + 2) * sizeof(struct ulp_bde64));
+		iocb_cmd->unsli3.fcp_ext.ebde_count = (num_bde + 1);
 	}
 	fcp_cmnd->fcpDl = cpu_to_be32(scsi_bufflen(scsi_cmnd));
 
@@ -1575,7 +1596,7 @@ lpfc_bg_scsi_prep_dma_buf(struct lpfc_hba *phba,
 		case LPFC_PG_TYPE_NO_DIF:
 			num_bde = lpfc_bg_setup_bpl(phba, scsi_cmnd, bpl,
 					datasegcnt);
-			/* we shoud have 2 or more entries in buffer list */
+			/* we should have 2 or more entries in buffer list */
 			if (num_bde < 2)
 				goto err;
 			break;
@@ -1612,7 +1633,7 @@ lpfc_bg_scsi_prep_dma_buf(struct lpfc_hba *phba,
 
 			num_bde = lpfc_bg_setup_bpl_prot(phba, scsi_cmnd, bpl,
 					datasegcnt, protsegcnt);
-			/* we shoud have 3 or more entries in buffer list */
+			/* we should have 3 or more entries in buffer list */
 			if (num_bde < 3)
 				goto err;
 			break;
@@ -2079,8 +2100,7 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 
 	if (resp_info & RSP_LEN_VALID) {
 		rsplen = be32_to_cpu(fcprsp->rspRspLen);
-		if ((rsplen != 0 && rsplen != 4 && rsplen != 8) ||
-		    (fcprsp->rspInfo3 != RSP_NO_FAILURE)) {
+		if (rsplen != 0 && rsplen != 4 && rsplen != 8) {
 			lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
 				 "2719 Invalid response length: "
 				 "tgt x%x lun x%x cmnd x%x rsplen x%x\n",
@@ -2090,6 +2110,17 @@ lpfc_handle_fcp_err(struct lpfc_vport *vport, struct lpfc_scsi_buf *lpfc_cmd,
 			host_status = DID_ERROR;
 			goto out;
 		}
+		if (fcprsp->rspInfo3 != RSP_NO_FAILURE) {
+			lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
+				 "2757 Protocol failure detected during "
+				 "processing of FCP I/O op: "
+				 "tgt x%x lun x%x cmnd x%x rspInfo3 x%x\n",
+				 cmnd->device->id,
+				 cmnd->device->lun, cmnd->cmnd[0],
+				 fcprsp->rspInfo3);
+			host_status = DID_ERROR;
+			goto out;
+		}
 	}
 
 	if ((resp_info & SNS_LEN_VALID) && fcprsp->rspSnsLen) {
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 35e3b96d4e07..fe6660ca6452 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -494,7 +494,7 @@ __lpfc_clear_active_sglq(struct lpfc_hba *phba, uint16_t xritag)
  *
  * Returns sglq ponter = success, NULL = Failure.
  **/
-static struct lpfc_sglq *
+struct lpfc_sglq *
 __lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag)
 {
 	uint16_t adj_xri;
@@ -526,6 +526,7 @@ __lpfc_sli_get_sglq(struct lpfc_hba *phba)
 		return NULL;
 	adj_xri = sglq->sli4_xritag - phba->sli4_hba.max_cfg_param.xri_base;
 	phba->sli4_hba.lpfc_sglq_active_list[adj_xri] = sglq;
+	sglq->state = SGL_ALLOCATED;
 	return sglq;
 }
 
@@ -580,15 +581,18 @@ __lpfc_sli_release_iocbq_s4(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq)
 	else
 		sglq = __lpfc_clear_active_sglq(phba, iocbq->sli4_xritag);
 	if (sglq)  {
-		if (iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) {
+		if ((iocbq->iocb_flag & LPFC_EXCHANGE_BUSY) &&
+			(sglq->state != SGL_XRI_ABORTED)) {
 			spin_lock_irqsave(&phba->sli4_hba.abts_sgl_list_lock,
 					iflag);
 			list_add(&sglq->list,
 				&phba->sli4_hba.lpfc_abts_els_sgl_list);
 			spin_unlock_irqrestore(
 				&phba->sli4_hba.abts_sgl_list_lock, iflag);
-		} else
+		} else {
+			sglq->state = SGL_FREED;
 			list_add(&sglq->list, &phba->sli4_hba.lpfc_sgl_list);
+		}
 	}
 
 
@@ -2258,41 +2262,56 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
 					spin_unlock_irqrestore(&phba->hbalock,
 							       iflag);
 				}
-				if ((phba->sli_rev == LPFC_SLI_REV4) &&
-				    (saveq->iocb_flag & LPFC_EXCHANGE_BUSY)) {
-					/* Set cmdiocb flag for the exchange
-					 * busy so sgl (xri) will not be
-					 * released until the abort xri is
-					 * received from hba, clear the
-					 * LPFC_DRIVER_ABORTED bit in case
-					 * it was driver initiated abort.
-					 */
-					spin_lock_irqsave(&phba->hbalock,
-							  iflag);
-					cmdiocbp->iocb_flag &=
-						~LPFC_DRIVER_ABORTED;
-					cmdiocbp->iocb_flag |=
-						LPFC_EXCHANGE_BUSY;
-					spin_unlock_irqrestore(&phba->hbalock,
-							       iflag);
-					cmdiocbp->iocb.ulpStatus =
-						IOSTAT_LOCAL_REJECT;
-					cmdiocbp->iocb.un.ulpWord[4] =
-						IOERR_ABORT_REQUESTED;
-					/*
-					 * For SLI4, irsiocb contains NO_XRI
-					 * in sli_xritag, it shall not affect
-					 * releasing sgl (xri) process.
-					 */
-					saveq->iocb.ulpStatus =
-						IOSTAT_LOCAL_REJECT;
-					saveq->iocb.un.ulpWord[4] =
-						IOERR_SLI_ABORTED;
-					spin_lock_irqsave(&phba->hbalock,
-							  iflag);
-					saveq->iocb_flag |= LPFC_DELAY_MEM_FREE;
-					spin_unlock_irqrestore(&phba->hbalock,
-							       iflag);
+				if (phba->sli_rev == LPFC_SLI_REV4) {
+					if (saveq->iocb_flag &
+					    LPFC_EXCHANGE_BUSY) {
+						/* Set cmdiocb flag for the
+						 * exchange busy so sgl (xri)
+						 * will not be released until
+						 * the abort xri is received
+						 * from hba.
+						 */
+						spin_lock_irqsave(
+							&phba->hbalock, iflag);
+						cmdiocbp->iocb_flag |=
+							LPFC_EXCHANGE_BUSY;
+						spin_unlock_irqrestore(
+							&phba->hbalock, iflag);
+					}
+					if (cmdiocbp->iocb_flag &
+					    LPFC_DRIVER_ABORTED) {
+						/*
+						 * Clear LPFC_DRIVER_ABORTED
+						 * bit in case it was driver
+						 * initiated abort.
+						 */
+						spin_lock_irqsave(
+							&phba->hbalock, iflag);
+						cmdiocbp->iocb_flag &=
+							~LPFC_DRIVER_ABORTED;
+						spin_unlock_irqrestore(
+							&phba->hbalock, iflag);
+						cmdiocbp->iocb.ulpStatus =
+							IOSTAT_LOCAL_REJECT;
+						cmdiocbp->iocb.un.ulpWord[4] =
+							IOERR_ABORT_REQUESTED;
+						/*
+						 * For SLI4, irsiocb contains
+						 * NO_XRI in sli_xritag, it
+						 * shall not affect releasing
+						 * sgl (xri) process.
+						 */
+						saveq->iocb.ulpStatus =
+							IOSTAT_LOCAL_REJECT;
+						saveq->iocb.un.ulpWord[4] =
+							IOERR_SLI_ABORTED;
+						spin_lock_irqsave(
+							&phba->hbalock, iflag);
+						saveq->iocb_flag |=
+							LPFC_DELAY_MEM_FREE;
+						spin_unlock_irqrestore(
+							&phba->hbalock, iflag);
+					}
 				}
 			}
 			(cmdiocbp->iocb_cmpl) (phba, cmdiocbp, saveq);
@@ -2515,14 +2534,16 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
 
 			cmdiocbq = lpfc_sli_iocbq_lookup(phba, pring,
 							 &rspiocbq);
-			if ((cmdiocbq) && (cmdiocbq->iocb_cmpl)) {
-					spin_unlock_irqrestore(&phba->hbalock,
-							       iflag);
-					(cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
-							      &rspiocbq);
-					spin_lock_irqsave(&phba->hbalock,
-							  iflag);
-				}
+			if (unlikely(!cmdiocbq))
+				break;
+			if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED)
+				cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED;
+			if (cmdiocbq->iocb_cmpl) {
+				spin_unlock_irqrestore(&phba->hbalock, iflag);
+				(cmdiocbq->iocb_cmpl)(phba, cmdiocbq,
+						      &rspiocbq);
+				spin_lock_irqsave(&phba->hbalock, iflag);
+			}
 			break;
 		case LPFC_UNSOL_IOCB:
 			spin_unlock_irqrestore(&phba->hbalock, iflag);
@@ -3091,6 +3112,12 @@ lpfc_sli_brdready_s3(struct lpfc_hba *phba, uint32_t mask)
 
 	/* Check to see if any errors occurred during init */
 	if ((status & HS_FFERM) || (i >= 20)) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
+				"2751 Adapter failed to restart, "
+				"status reg x%x, FW Data: A8 x%x AC x%x\n",
+				status,
+				readl(phba->MBslimaddr + 0xa8),
+				readl(phba->MBslimaddr + 0xac));
 		phba->link_state = LPFC_HBA_ERROR;
 		retval = 1;
 	}
@@ -3278,6 +3305,9 @@ lpfc_sli_brdkill(struct lpfc_hba *phba)
 	if (retval != MBX_SUCCESS) {
 		if (retval != MBX_BUSY)
 			mempool_free(pmb, phba->mbox_mem_pool);
+		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+				"2752 KILL_BOARD command failed retval %d\n",
+				retval);
 		spin_lock_irq(&phba->hbalock);
 		phba->link_flag &= ~LS_IGNORE_ERATT;
 		spin_unlock_irq(&phba->hbalock);
@@ -4035,7 +4065,7 @@ lpfc_sli_hba_setup(struct lpfc_hba *phba)
 
 lpfc_sli_hba_setup_error:
 	phba->link_state = LPFC_HBA_ERROR;
-	lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
+	lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
 			"0445 Firmware initialization failed\n");
 	return rc;
 }
@@ -4388,7 +4418,13 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
 	spin_unlock_irq(&phba->hbalock);
 
 	/* Read the port's service parameters. */
-	lpfc_read_sparam(phba, mboxq, vport->vpi);
+	rc = lpfc_read_sparam(phba, mboxq, vport->vpi);
+	if (rc) {
+		phba->link_state = LPFC_HBA_ERROR;
+		rc = -ENOMEM;
+		goto out_free_vpd;
+	}
+
 	mboxq->vport = vport;
 	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL);
 	mp = (struct lpfc_dmabuf *) mboxq->context1;
@@ -4483,6 +4519,10 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba)
 	/* Post receive buffers to the device */
 	lpfc_sli4_rb_setup(phba);
 
+	/* Reset HBA FCF states after HBA reset */
+	phba->fcf.fcf_flag = 0;
+	phba->fcf.current_rec.flag = 0;
+
 	/* Start the ELS watchdog timer */
 	mod_timer(&vport->els_tmofunc,
 		  jiffies + HZ * (phba->fc_ratov * 2));
@@ -7436,6 +7476,7 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba,
 {
 	wait_queue_head_t *pdone_q;
 	unsigned long iflags;
+	struct lpfc_scsi_buf *lpfc_cmd;
 
 	spin_lock_irqsave(&phba->hbalock, iflags);
 	cmdiocbq->iocb_flag |= LPFC_IO_WAKE;
@@ -7443,6 +7484,14 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba,
 		memcpy(&((struct lpfc_iocbq *)cmdiocbq->context2)->iocb,
 		       &rspiocbq->iocb, sizeof(IOCB_t));
 
+	/* Set the exchange busy flag for task management commands */
+	if ((cmdiocbq->iocb_flag & LPFC_IO_FCP) &&
+		!(cmdiocbq->iocb_flag & LPFC_IO_LIBDFC)) {
+		lpfc_cmd = container_of(cmdiocbq, struct lpfc_scsi_buf,
+			cur_iocbq);
+		lpfc_cmd->exch_busy = rspiocbq->iocb_flag & LPFC_EXCHANGE_BUSY;
+	}
+
 	pdone_q = cmdiocbq->context_un.wait_queue;
 	if (pdone_q)
 		wake_up(pdone_q);
@@ -9061,6 +9110,12 @@ lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba,
 	/* Fake the irspiocb and copy necessary response information */
 	lpfc_sli4_iocb_param_transfer(phba, &irspiocbq, cmdiocbq, wcqe);
 
+	if (cmdiocbq->iocb_flag & LPFC_DRIVER_ABORTED) {
+		spin_lock_irqsave(&phba->hbalock, iflags);
+		cmdiocbq->iocb_flag &= ~LPFC_DRIVER_ABORTED;
+		spin_unlock_irqrestore(&phba->hbalock, iflags);
+	}
+
 	/* Pass the cmd_iocb and the rsp state to the upper layer */
 	(cmdiocbq->iocb_cmpl)(phba, cmdiocbq, &irspiocbq);
 }
@@ -11941,15 +11996,19 @@ lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *phba,
 }
 
 /**
- * lpfc_sli4_read_fcf_record - Read the driver's default FCF Record.
+ * lpfc_sli4_fcf_scan_read_fcf_rec - Read hba fcf record for fcf scan.
  * @phba: pointer to lpfc hba data structure.
  * @fcf_index: FCF table entry offset.
  *
- * This routine is invoked to read up to @fcf_num of FCF record from the
- * device starting with the given @fcf_index.
+ * This routine is invoked to scan the entire FCF table by reading FCF
+ * record and processing it one at a time starting from the @fcf_index
+ * for initial FCF discovery or fast FCF failover rediscovery.
+ *
+ * Return 0 if the mailbox command is submitted sucessfully, none 0
+ * otherwise.
  **/
 int
-lpfc_sli4_read_fcf_record(struct lpfc_hba *phba, uint16_t fcf_index)
+lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index)
 {
 	int rc = 0, error;
 	LPFC_MBOXQ_t *mboxq;
@@ -11961,17 +12020,17 @@ lpfc_sli4_read_fcf_record(struct lpfc_hba *phba, uint16_t fcf_index)
 				"2000 Failed to allocate mbox for "
 				"READ_FCF cmd\n");
 		error = -ENOMEM;
-		goto fail_fcfscan;
+		goto fail_fcf_scan;
 	}
 	/* Construct the read FCF record mailbox command */
-	rc = lpfc_sli4_mbx_read_fcf_record(phba, mboxq, fcf_index);
+	rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index);
 	if (rc) {
 		error = -EINVAL;
-		goto fail_fcfscan;
+		goto fail_fcf_scan;
 	}
 	/* Issue the mailbox command asynchronously */
 	mboxq->vport = phba->pport;
-	mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_record;
+	mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_scan_read_fcf_rec;
 	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
 	if (rc == MBX_NOT_FINISHED)
 		error = -EIO;
@@ -11979,9 +12038,13 @@ lpfc_sli4_read_fcf_record(struct lpfc_hba *phba, uint16_t fcf_index)
 		spin_lock_irq(&phba->hbalock);
 		phba->hba_flag |= FCF_DISC_INPROGRESS;
 		spin_unlock_irq(&phba->hbalock);
+		/* Reset FCF round robin index bmask for new scan */
+		if (fcf_index == LPFC_FCOE_FCF_GET_FIRST)
+			memset(phba->fcf.fcf_rr_bmask, 0,
+			       sizeof(*phba->fcf.fcf_rr_bmask));
 		error = 0;
 	}
-fail_fcfscan:
+fail_fcf_scan:
 	if (error) {
 		if (mboxq)
 			lpfc_sli4_mbox_cmd_free(phba, mboxq);
@@ -11994,6 +12057,181 @@ fail_fcfscan:
 }
 
 /**
+ * lpfc_sli4_fcf_rr_read_fcf_rec - Read hba fcf record for round robin fcf.
+ * @phba: pointer to lpfc hba data structure.
+ * @fcf_index: FCF table entry offset.
+ *
+ * This routine is invoked to read an FCF record indicated by @fcf_index
+ * and to use it for FLOGI round robin FCF failover.
+ *
+ * Return 0 if the mailbox command is submitted sucessfully, none 0
+ * otherwise.
+ **/
+int
+lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index)
+{
+	int rc = 0, error;
+	LPFC_MBOXQ_t *mboxq;
+
+	mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!mboxq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT,
+				"2763 Failed to allocate mbox for "
+				"READ_FCF cmd\n");
+		error = -ENOMEM;
+		goto fail_fcf_read;
+	}
+	/* Construct the read FCF record mailbox command */
+	rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index);
+	if (rc) {
+		error = -EINVAL;
+		goto fail_fcf_read;
+	}
+	/* Issue the mailbox command asynchronously */
+	mboxq->vport = phba->pport;
+	mboxq->mbox_cmpl = lpfc_mbx_cmpl_fcf_rr_read_fcf_rec;
+	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
+	if (rc == MBX_NOT_FINISHED)
+		error = -EIO;
+	else
+		error = 0;
+
+fail_fcf_read:
+	if (error && mboxq)
+		lpfc_sli4_mbox_cmd_free(phba, mboxq);
+	return error;
+}
+
+/**
+ * lpfc_sli4_read_fcf_rec - Read hba fcf record for update eligible fcf bmask.
+ * @phba: pointer to lpfc hba data structure.
+ * @fcf_index: FCF table entry offset.
+ *
+ * This routine is invoked to read an FCF record indicated by @fcf_index to
+ * determine whether it's eligible for FLOGI round robin failover list.
+ *
+ * Return 0 if the mailbox command is submitted sucessfully, none 0
+ * otherwise.
+ **/
+int
+lpfc_sli4_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index)
+{
+	int rc = 0, error;
+	LPFC_MBOXQ_t *mboxq;
+
+	mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
+	if (!mboxq) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_INIT,
+				"2758 Failed to allocate mbox for "
+				"READ_FCF cmd\n");
+				error = -ENOMEM;
+				goto fail_fcf_read;
+	}
+	/* Construct the read FCF record mailbox command */
+	rc = lpfc_sli4_mbx_read_fcf_rec(phba, mboxq, fcf_index);
+	if (rc) {
+		error = -EINVAL;
+		goto fail_fcf_read;
+	}
+	/* Issue the mailbox command asynchronously */
+	mboxq->vport = phba->pport;
+	mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_fcf_rec;
+	rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
+	if (rc == MBX_NOT_FINISHED)
+		error = -EIO;
+	else
+		error = 0;
+
+fail_fcf_read:
+	if (error && mboxq)
+		lpfc_sli4_mbox_cmd_free(phba, mboxq);
+	return error;
+}
+
+/**
+ * lpfc_sli4_fcf_rr_next_index_get - Get next eligible fcf record index
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine is to get the next eligible FCF record index in a round
+ * robin fashion. If the next eligible FCF record index equals to the
+ * initial round robin FCF record index, LPFC_FCOE_FCF_NEXT_NONE (0xFFFF)
+ * shall be returned, otherwise, the next eligible FCF record's index
+ * shall be returned.
+ **/
+uint16_t
+lpfc_sli4_fcf_rr_next_index_get(struct lpfc_hba *phba)
+{
+	uint16_t next_fcf_index;
+
+	/* Search from the currently registered FCF index */
+	next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask,
+				       LPFC_SLI4_FCF_TBL_INDX_MAX,
+				       phba->fcf.current_rec.fcf_indx);
+	/* Wrap around condition on phba->fcf.fcf_rr_bmask */
+	if (next_fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX)
+		next_fcf_index = find_next_bit(phba->fcf.fcf_rr_bmask,
+					       LPFC_SLI4_FCF_TBL_INDX_MAX, 0);
+	/* Round robin failover stop condition */
+	if (next_fcf_index == phba->fcf.fcf_rr_init_indx)
+		return LPFC_FCOE_FCF_NEXT_NONE;
+
+	return next_fcf_index;
+}
+
+/**
+ * lpfc_sli4_fcf_rr_index_set - Set bmask with eligible fcf record index
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine sets the FCF record index in to the eligible bmask for
+ * round robin failover search. It checks to make sure that the index
+ * does not go beyond the range of the driver allocated bmask dimension
+ * before setting the bit.
+ *
+ * Returns 0 if the index bit successfully set, otherwise, it returns
+ * -EINVAL.
+ **/
+int
+lpfc_sli4_fcf_rr_index_set(struct lpfc_hba *phba, uint16_t fcf_index)
+{
+	if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
+				"2610 HBA FCF index reached driver's "
+				"book keeping dimension: fcf_index:%d, "
+				"driver_bmask_max:%d\n",
+				fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX);
+		return -EINVAL;
+	}
+	/* Set the eligible FCF record index bmask */
+	set_bit(fcf_index, phba->fcf.fcf_rr_bmask);
+
+	return 0;
+}
+
+/**
+ * lpfc_sli4_fcf_rr_index_set - Clear bmask from eligible fcf record index
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This routine clears the FCF record index from the eligible bmask for
+ * round robin failover search. It checks to make sure that the index
+ * does not go beyond the range of the driver allocated bmask dimension
+ * before clearing the bit.
+ **/
+void
+lpfc_sli4_fcf_rr_index_clear(struct lpfc_hba *phba, uint16_t fcf_index)
+{
+	if (fcf_index >= LPFC_SLI4_FCF_TBL_INDX_MAX) {
+		lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
+				"2762 HBA FCF index goes beyond driver's "
+				"book keeping dimension: fcf_index:%d, "
+				"driver_bmask_max:%d\n",
+				fcf_index, LPFC_SLI4_FCF_TBL_INDX_MAX);
+		return;
+	}
+	/* Clear the eligible FCF record index bmask */
+	clear_bit(fcf_index, phba->fcf.fcf_rr_bmask);
+}
+
+/**
  * lpfc_mbx_cmpl_redisc_fcf_table - completion routine for rediscover FCF table
  * @phba: pointer to lpfc hba data structure.
  *
@@ -12014,21 +12252,40 @@ lpfc_mbx_cmpl_redisc_fcf_table(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox)
 	shdr_add_status = bf_get(lpfc_mbox_hdr_add_status,
 			     &redisc_fcf->header.cfg_shdr.response);
 	if (shdr_status || shdr_add_status) {
-		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
+		lpfc_printf_log(phba, KERN_ERR, LOG_FIP,
 				"2746 Requesting for FCF rediscovery failed "
 				"status x%x add_status x%x\n",
 				shdr_status, shdr_add_status);
-		/*
-		 * Request failed, last resort to re-try current
-		 * registered FCF entry
-		 */
-		lpfc_retry_pport_discovery(phba);
-	} else
+		if (phba->fcf.fcf_flag & FCF_ACVL_DISC) {
+			spin_lock_irq(&phba->hbalock);
+			phba->fcf.fcf_flag &= ~FCF_ACVL_DISC;
+			spin_unlock_irq(&phba->hbalock);
+			/*
+			 * CVL event triggered FCF rediscover request failed,
+			 * last resort to re-try current registered FCF entry.
+			 */
+			lpfc_retry_pport_discovery(phba);
+		} else {
+			spin_lock_irq(&phba->hbalock);
+			phba->fcf.fcf_flag &= ~FCF_DEAD_DISC;
+			spin_unlock_irq(&phba->hbalock);
+			/*
+			 * DEAD FCF event triggered FCF rediscover request
+			 * failed, last resort to fail over as a link down
+			 * to FCF registration.
+			 */
+			lpfc_sli4_fcf_dead_failthrough(phba);
+		}
+	} else {
+		lpfc_printf_log(phba, KERN_INFO, LOG_FIP,
+				"2775 Start FCF rediscovery quiescent period "
+				"wait timer before scaning FCF table\n");
 		/*
 		 * Start FCF rediscovery wait timer for pending FCF
 		 * before rescan FCF record table.
 		 */
 		lpfc_fcf_redisc_wait_start_timer(phba);
+	}
 
 	mempool_free(mbox, phba->mbox_mem_pool);
 }
@@ -12047,6 +12304,9 @@ lpfc_sli4_redisc_fcf_table(struct lpfc_hba *phba)
 	struct lpfc_mbx_redisc_fcf_tbl *redisc_fcf;
 	int rc, length;
 
+	/* Cancel retry delay timers to all vports before FCF rediscover */
+	lpfc_cancel_all_vport_retry_delay_timer(phba);
+
 	mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
 	if (!mbox) {
 		lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
@@ -12078,6 +12338,31 @@ lpfc_sli4_redisc_fcf_table(struct lpfc_hba *phba)
 }
 
 /**
+ * lpfc_sli4_fcf_dead_failthrough - Failthrough routine to fcf dead event
+ * @phba: pointer to lpfc hba data structure.
+ *
+ * This function is the failover routine as a last resort to the FCF DEAD
+ * event when driver failed to perform fast FCF failover.
+ **/
+void
+lpfc_sli4_fcf_dead_failthrough(struct lpfc_hba *phba)
+{
+	uint32_t link_state;
+
+	/*
+	 * Last resort as FCF DEAD event failover will treat this as
+	 * a link down, but save the link state because we don't want
+	 * it to be changed to Link Down unless it is already down.
+	 */
+	link_state = phba->link_state;
+	lpfc_linkdown(phba);
+	phba->link_state = link_state;
+
+	/* Unregister FCF if no devices connected to it */
+	lpfc_unregister_unused_fcf(phba);
+}
+
+/**
  * lpfc_sli_read_link_ste - Read region 23 to decide if link is disabled.
  * @phba: pointer to lpfc hba data structure.
  *
diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h
index dfcf5437d1f5..b4a639c47616 100644
--- a/drivers/scsi/lpfc/lpfc_sli.h
+++ b/drivers/scsi/lpfc/lpfc_sli.h
@@ -62,6 +62,7 @@ struct lpfc_iocbq {
 #define LPFC_DELAY_MEM_FREE	0x20    /* Defer free'ing of FC data */
 #define LPFC_EXCHANGE_BUSY	0x40    /* SLI4 hba reported XB in response */
 #define LPFC_USE_FCPWQIDX	0x80    /* Submit to specified FCPWQ index */
+#define DSS_SECURITY_OP		0x100	/* security IO */
 
 #define LPFC_FIP_ELS_ID_MASK	0xc000	/* ELS_ID range 0-3, non-shifted mask */
 #define LPFC_FIP_ELS_ID_SHIFT	14
diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h
index 86308836600f..4a35e7b9bc5b 100644
--- a/drivers/scsi/lpfc/lpfc_sli4.h
+++ b/drivers/scsi/lpfc/lpfc_sli4.h
@@ -153,15 +153,27 @@ struct lpfc_fcf {
 #define FCF_REGISTERED	0x02 /* FCF registered with FW */
 #define FCF_SCAN_DONE	0x04 /* FCF table scan done */
 #define FCF_IN_USE	0x08 /* Atleast one discovery completed */
-#define FCF_REDISC_PEND	0x10 /* FCF rediscovery pending */
-#define FCF_REDISC_EVT	0x20 /* FCF rediscovery event to worker thread */
-#define FCF_REDISC_FOV	0x40 /* Post FCF rediscovery fast failover */
+#define FCF_INIT_DISC	0x10 /* Initial FCF discovery */
+#define FCF_DEAD_DISC	0x20 /* FCF DEAD fast FCF failover discovery */
+#define FCF_ACVL_DISC	0x40 /* All CVL fast FCF failover discovery */
+#define FCF_DISCOVERY	(FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
+#define FCF_REDISC_PEND	0x80 /* FCF rediscovery pending */
+#define FCF_REDISC_EVT	0x100 /* FCF rediscovery event to worker thread */
+#define FCF_REDISC_FOV	0x200 /* Post FCF rediscovery fast failover */
 	uint32_t addr_mode;
+	uint16_t fcf_rr_init_indx;
 	struct lpfc_fcf_rec current_rec;
 	struct lpfc_fcf_rec failover_rec;
 	struct timer_list redisc_wait;
+	unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
 };
 
+/*
+ * Maximum FCF table index, it is for driver internal book keeping, it
+ * just needs to be no less than the supported HBA's FCF table size.
+ */
+#define LPFC_SLI4_FCF_TBL_INDX_MAX	32
+
 #define LPFC_REGION23_SIGNATURE "RG23"
 #define LPFC_REGION23_VERSION	1
 #define LPFC_REGION23_LAST_REC  0xff
@@ -431,11 +443,18 @@ enum lpfc_sge_type {
 	SCSI_BUFF_TYPE
 };
 
+enum lpfc_sgl_state {
+	SGL_FREED,
+	SGL_ALLOCATED,
+	SGL_XRI_ABORTED
+};
+
 struct lpfc_sglq {
 	/* lpfc_sglqs are used in double linked lists */
 	struct list_head list;
 	struct list_head clist;
 	enum lpfc_sge_type buff_type; /* is this a scsi sgl */
+	enum lpfc_sgl_state state;
 	uint16_t iotag;         /* pre-assigned IO tag */
 	uint16_t sli4_xritag;   /* pre-assigned XRI, (OXID) tag. */
 	struct sli4_sge *sgl;	/* pre-assigned SGL */
@@ -463,8 +482,8 @@ void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
 			   struct lpfc_mbx_sge *);
-int lpfc_sli4_mbx_read_fcf_record(struct lpfc_hba *, struct lpfcMboxq *,
-				  uint16_t);
+int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
+			       uint16_t);
 
 void lpfc_sli4_hba_reset(struct lpfc_hba *);
 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
@@ -523,8 +542,13 @@ int lpfc_sli4_init_vpi(struct lpfc_hba *, uint16_t);
 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
-int lpfc_sli4_read_fcf_record(struct lpfc_hba *, uint16_t);
-void lpfc_mbx_cmpl_read_fcf_record(struct lpfc_hba *, LPFC_MBOXQ_t *);
+int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
+int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
+int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
+void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
+void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
+int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
 int lpfc_sli4_post_status_check(struct lpfc_hba *);
 uint8_t lpfc_sli4_mbox_opcode_get(struct lpfc_hba *, struct lpfcMboxq *);
 
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index ac276aa46fba..013deec5dae8 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-#define LPFC_DRIVER_VERSION "8.3.9"
+#define LPFC_DRIVER_VERSION "8.3.10"
 #define LPFC_DRIVER_NAME		"lpfc"
 #define LPFC_SP_DRIVER_HANDLER_NAME	"lpfc:sp"
 #define LPFC_FP_DRIVER_HANDLER_NAME	"lpfc:fp"
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index dc86e873102a..869f76cbc58a 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -123,7 +123,12 @@ lpfc_vport_sparm(struct lpfc_hba *phba, struct lpfc_vport *vport)
 	}
 	mb = &pmb->u.mb;
 
-	lpfc_read_sparam(phba, pmb, vport->vpi);
+	rc = lpfc_read_sparam(phba, pmb, vport->vpi);
+	if (rc) {
+		mempool_free(pmb, phba->mbox_mem_pool);
+		return -ENOMEM;
+	}
+
 	/*
 	 * Grab buffer pointer and clear context1 so we can use
 	 * lpfc_sli_issue_box_wait
diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c
index 24223473f573..60de85091502 100644
--- a/drivers/scsi/osd/osd_initiator.c
+++ b/drivers/scsi/osd/osd_initiator.c
@@ -1433,6 +1433,10 @@ int osd_finalize_request(struct osd_request *or,
 	cdbh->command_specific_options |= or->attributes_mode;
 	if (or->attributes_mode == OSD_CDB_GET_ATTR_PAGE_SET_ONE) {
 		ret = _osd_req_finalize_attr_page(or);
+		if (ret) {
+			OSD_DEBUG("_osd_req_finalize_attr_page failed\n");
+			return ret;
+		}
 	} else {
 		/* TODO: I think that for the GET_ATTR command these 2 should
 		 * be reversed to keep them in execution order (for embeded
diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c
index c2341af587a3..021246454872 100644
--- a/drivers/scsi/pcmcia/nsp_cs.c
+++ b/drivers/scsi/pcmcia/nsp_cs.c
@@ -1717,6 +1717,7 @@ static int nsp_cs_config(struct pcmcia_device *link)
 	cfg_mem->data = data;
 
 	ret = pcmcia_loop_config(link, nsp_cs_config_check, cfg_mem);
+	if (ret)
 		goto cs_failed;
 
 	if (link->conf.Attributes & CONF_ENABLE_IRQ) {
diff --git a/drivers/scsi/pcmcia/nsp_cs.h b/drivers/scsi/pcmcia/nsp_cs.h
index 7db28cd49446..8c61a4fe1db9 100644
--- a/drivers/scsi/pcmcia/nsp_cs.h
+++ b/drivers/scsi/pcmcia/nsp_cs.h
@@ -187,7 +187,7 @@
 #define S_IO		BIT(1)    /* Input/Output line from SCSI bus */
 #define S_CD		BIT(2)    /* Command/Data line from SCSI bus */
 #define S_BUSY		BIT(3)    /* Busy line from SCSI bus         */
-#define S_ACK		BIT(4)    /* Acknowlege line from SCSI bus   */
+#define S_ACK		BIT(4)    /* Acknowledge line from SCSI bus  */
 #define S_REQUEST	BIT(5)    /* Request line from SCSI bus      */
 #define S_SELECT	BIT(6)	  /*                                 */
 #define S_ATN		BIT(7)	  /*                                 */
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 9b44c6f1b10e..7985ae45d688 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -2924,7 +2924,7 @@ hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
 		break;
 	default:
 		PM8001_MSG_DBG(pm8001_ha,
-			pm8001_printk("unkown device type(%x)\n", deviceType));
+			pm8001_printk("unknown device type(%x)\n", deviceType));
 		break;
 	}
 	phy->phy_type |= PORT_TYPE_SAS;
diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c
index 7f9c83a76390..3b2c98fba834 100644
--- a/drivers/scsi/pm8001/pm8001_sas.c
+++ b/drivers/scsi/pm8001/pm8001_sas.c
@@ -600,7 +600,7 @@ static void pm8001_free_dev(struct pm8001_device *pm8001_dev)
   * by the command "OPC_INB_REG_DEV", after that the HBA will assign a
   * device ID(according to device's sas address) and returned it to LLDD. From
   * now on, we communicate with HBA FW with the device ID which HBA assigned
-  * rather than sas address. it is the neccessary step for our HBA but it is
+  * rather than sas address. it is the necessary step for our HBA but it is
   * the optional for other HBA driver.
   */
 static int pm8001_dev_found_notify(struct domain_device *dev)
diff --git a/drivers/scsi/pmcraid.h b/drivers/scsi/pmcraid.h
index 92f89d50850c..b8ad07c3449e 100644
--- a/drivers/scsi/pmcraid.h
+++ b/drivers/scsi/pmcraid.h
@@ -938,7 +938,7 @@ static struct pmcraid_ioasc_error pmcraid_ioasc_error_table[] = {
 
 /*
  * pmcraid_ioctl_header - definition of header structure that preceeds all the
- * buffers given as ioctl arguements.
+ * buffers given as ioctl arguments.
  *
  * .signature           : always ASCII string, "PMCRAID"
  * .reserved            : not used
diff --git a/drivers/scsi/raid_class.c b/drivers/scsi/raid_class.c
index bd88349b8526..2c146b44d95f 100644
--- a/drivers/scsi/raid_class.c
+++ b/drivers/scsi/raid_class.c
@@ -63,6 +63,7 @@ static int raid_match(struct attribute_container *cont, struct device *dev)
 	 * emulated RAID devices, so start with SCSI */
 	struct raid_internal *i = ac_to_raid_internal(cont);
 
+#if defined(CONFIG_SCSI) || defined(CONFIG_SCSI_MODULE)
 	if (scsi_is_sdev_device(dev)) {
 		struct scsi_device *sdev = to_scsi_device(dev);
 
@@ -71,6 +72,7 @@ static int raid_match(struct attribute_container *cont, struct device *dev)
 
 		return i->f->is_raid(dev);
 	}
+#endif
 	/* FIXME: look at other subsystems too */
 	return 0;
 }
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 79660ee3e211..1d5b72173dd8 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -1232,6 +1232,15 @@ store_fc_vport_delete(struct device *dev, struct device_attribute *attr,
 {
 	struct fc_vport *vport = transport_class_to_vport(dev);
 	struct Scsi_Host *shost = vport_to_shost(vport);
+	unsigned long flags;
+
+	spin_lock_irqsave(shost->host_lock, flags);
+	if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) {
+		spin_unlock_irqrestore(shost->host_lock, flags);
+		return -EBUSY;
+	}
+	vport->flags |= FC_VPORT_DELETING;
+	spin_unlock_irqrestore(shost->host_lock, flags);
 
 	fc_queue_work(shost, &vport->vport_delete_work);
 	return count;
@@ -1821,6 +1830,9 @@ store_fc_host_vport_delete(struct device *dev, struct device_attribute *attr,
 	list_for_each_entry(vport, &fc_host->vports, peers) {
 		if ((vport->channel == 0) &&
 		    (vport->port_name == wwpn) && (vport->node_name == wwnn)) {
+			if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING))
+				break;
+			vport->flags |= FC_VPORT_DELETING;
 			match = 1;
 			break;
 		}
@@ -3370,18 +3382,6 @@ fc_vport_terminate(struct fc_vport *vport)
 	unsigned long flags;
 	int stat;
 
-	spin_lock_irqsave(shost->host_lock, flags);
-	if (vport->flags & FC_VPORT_CREATING) {
-		spin_unlock_irqrestore(shost->host_lock, flags);
-		return -EBUSY;
-	}
-	if (vport->flags & (FC_VPORT_DEL)) {
-		spin_unlock_irqrestore(shost->host_lock, flags);
-		return -EALREADY;
-	}
-	vport->flags |= FC_VPORT_DELETING;
-	spin_unlock_irqrestore(shost->host_lock, flags);
-
 	if (i->f->vport_delete)
 		stat = i->f->vport_delete(vport);
 	else
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 1dd4d8407694..7b75c8a2a49d 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1948,7 +1948,7 @@ static void sd_read_block_limits(struct scsi_disk *sdkp)
 {
 	struct request_queue *q = sdkp->disk->queue;
 	unsigned int sector_sz = sdkp->device->sector_size;
-	const int vpd_len = 32;
+	const int vpd_len = 64;
 	unsigned char *buffer = kmalloc(vpd_len, GFP_KERNEL);
 
 	if (!buffer ||
@@ -1998,7 +1998,7 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp)
 {
 	unsigned char *buffer;
 	u16 rot;
-	const int vpd_len = 32;
+	const int vpd_len = 64;
 
 	buffer = kmalloc(vpd_len, GFP_KERNEL);
 
@@ -2111,7 +2111,7 @@ static int sd_revalidate_disk(struct gendisk *disk)
  *	which is followed by sdaaa.
  *
  *	This is basically 26 base counting with one extra 'nil' entry
- *	at the beggining from the second digit on and can be
+ *	at the beginning from the second digit on and can be
  *	determined using similar method as 26 base conversion with the
  *	index shifted -1 after each digit is computed.
  *
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index 1d7a8780e00c..0d9d6f7567f5 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -595,8 +595,6 @@ static int ses_intf_add(struct device *cdev,
 		ses_dev->page10_len = len;
 		buf = NULL;
 	}
-	kfree(hdr_buf);
-
 	scomp = kzalloc(sizeof(struct ses_component) * components, GFP_KERNEL);
 	if (!scomp)
 		goto err_free;
@@ -608,6 +606,8 @@ static int ses_intf_add(struct device *cdev,
 		goto err_free;
 	}
 
+	kfree(hdr_buf);
+
 	edev->scratch = ses_dev;
 	for (i = 0; i < components; i++)
 		edev->component[i].scratch = scomp + i;
diff --git a/drivers/scsi/sgiwd93.c b/drivers/scsi/sgiwd93.c
index 0807b260268b..fef0e3c75b16 100644
--- a/drivers/scsi/sgiwd93.c
+++ b/drivers/scsi/sgiwd93.c
@@ -226,7 +226,7 @@ static struct scsi_host_template sgiwd93_template = {
 	.use_clustering		= DISABLE_CLUSTERING,
 };
 
-static int __init sgiwd93_probe(struct platform_device *pdev)
+static int __devinit sgiwd93_probe(struct platform_device *pdev)
 {
 	struct sgiwd93_platform_data *pd = pdev->dev.platform_data;
 	unsigned char *wdregs = pd->wdregs;
diff --git a/drivers/scsi/sni_53c710.c b/drivers/scsi/sni_53c710.c
index 37b3359e863e..56cf0bb4ed1f 100644
--- a/drivers/scsi/sni_53c710.c
+++ b/drivers/scsi/sni_53c710.c
@@ -64,7 +64,7 @@ static struct scsi_host_template snirm710_template = {
 	.module		= THIS_MODULE,
 };
 
-static int __init snirm710_probe(struct platform_device *dev)
+static int __devinit snirm710_probe(struct platform_device *dev)
 {
 	unsigned long base;
 	struct NCR_700_Host_Parameters *hostdata;
diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c
index d935b2d04f93..ae0251ef6f4e 100644
--- a/drivers/serial/68328serial.c
+++ b/drivers/serial/68328serial.c
@@ -153,8 +153,6 @@ static int baud_table[] = {
 	0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
 	9600, 19200, 38400, 57600, 115200, 0 };
 
-#define BAUD_TABLE_SIZE (sizeof(baud_table)/sizeof(baud_table[0]))
-
 /* Sets or clears DTR/RTS on the requested line */
 static inline void m68k_rtsdtr(struct m68k_serial *ss, int set)
 {
@@ -1406,10 +1404,10 @@ static void m68328_set_baud(void)
 	USTCNT = ustcnt & ~USTCNT_TXEN;
 
 again:
-	for (i = 0; i < sizeof(baud_table) / sizeof(baud_table[0]); i++)
+	for (i = 0; i < ARRAY_SIZE(baud_table); i++)
 		if (baud_table[i] == m68328_console_baud)
 			break;
-	if (i >= sizeof(baud_table) / sizeof(baud_table[0])) {
+	if (i >= ARRAY_SIZE(baud_table)) {
 		m68328_console_baud = 9600;
 		goto again;
 	}
@@ -1435,7 +1433,7 @@ int m68328_console_setup(struct console *cp, char *arg)
 	if (arg)
 		n = simple_strtoul(arg,NULL,0);
 
-	for (i = 0; i < BAUD_TABLE_SIZE; i++)
+	for (i = 0; i < ARRAY_SIZE(baud_table); i++)
 		if (baud_table[i] == n)
 			break;
 	if (i < BAUD_TABLE_SIZE) {
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index a81ff7bc5fa1..c3db16b7afa1 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2408,6 +2408,21 @@ serial8250_set_termios(struct uart_port *port, struct ktermios *termios,
 }
 
 static void
+serial8250_set_ldisc(struct uart_port *port)
+{
+	int line = port->line;
+
+	if (line >= port->state->port.tty->driver->num)
+		return;
+
+	if (port->state->port.tty->ldisc->ops->num == N_PPS) {
+		port->flags |= UPF_HARDPPS_CD;
+		serial8250_enable_ms(port);
+	} else
+		port->flags &= ~UPF_HARDPPS_CD;
+}
+
+static void
 serial8250_pm(struct uart_port *port, unsigned int state,
 	      unsigned int oldstate)
 {
@@ -2628,6 +2643,7 @@ static struct uart_ops serial8250_pops = {
 	.startup	= serial8250_startup,
 	.shutdown	= serial8250_shutdown,
 	.set_termios	= serial8250_set_termios,
+	.set_ldisc	= serial8250_set_ldisc,
 	.pm		= serial8250_pm,
 	.type		= serial8250_type,
 	.release_port	= serial8250_release_port,
@@ -2690,6 +2706,15 @@ static void __init serial8250_isa_init_ports(void)
 	}
 }
 
+static void
+serial8250_init_fixed_type_port(struct uart_8250_port *up, unsigned int type)
+{
+	up->port.type = type;
+	up->port.fifosize = uart_config[type].fifo_size;
+	up->capabilities = uart_config[type].flags;
+	up->tx_loadsz = uart_config[type].tx_loadsz;
+}
+
 static void __init
 serial8250_register_ports(struct uart_driver *drv, struct device *dev)
 {
@@ -2706,6 +2731,10 @@ serial8250_register_ports(struct uart_driver *drv, struct device *dev)
 		struct uart_8250_port *up = &serial8250_ports[i];
 
 		up->port.dev = dev;
+
+		if (up->port.flags & UPF_FIXED_TYPE)
+			serial8250_init_fixed_type_port(up, up->port.type);
+
 		uart_add_one_port(drv, &up->port);
 	}
 }
@@ -3118,12 +3147,8 @@ int serial8250_register_port(struct uart_port *port)
 		if (port->dev)
 			uart->port.dev = port->dev;
 
-		if (port->flags & UPF_FIXED_TYPE) {
-			uart->port.type = port->type;
-			uart->port.fifosize = uart_config[port->type].fifo_size;
-			uart->capabilities = uart_config[port->type].flags;
-			uart->tx_loadsz = uart_config[port->type].tx_loadsz;
-		}
+		if (port->flags & UPF_FIXED_TYPE)
+			serial8250_init_fixed_type_port(uart, port->type);
 
 		set_io_from_upio(&uart->port);
 		/* Possibly override default I/O functions.  */
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index b28af13c45a1..01c012da4e26 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -760,7 +760,8 @@ static int pci_netmos_init(struct pci_dev *dev)
 	/* subdevice 0x00PS means <P> parallel, <S> serial */
 	unsigned int num_serial = dev->subsystem_device & 0xf;
 
-	if (dev->device == PCI_DEVICE_ID_NETMOS_9901)
+	if ((dev->device == PCI_DEVICE_ID_NETMOS_9901) ||
+		(dev->device == PCI_DEVICE_ID_NETMOS_9865))
 		return 0;
 	if (dev->subsystem_vendor == PCI_VENDOR_ID_IBM &&
 			dev->subsystem_device == 0x0299)
@@ -1479,6 +1480,7 @@ enum pci_board_num_t {
 
 	pbn_b0_bt_1_115200,
 	pbn_b0_bt_2_115200,
+	pbn_b0_bt_4_115200,
 	pbn_b0_bt_8_115200,
 
 	pbn_b0_bt_1_460800,
@@ -1703,6 +1705,12 @@ static struct pciserial_board pci_boards[] __devinitdata = {
 		.base_baud	= 115200,
 		.uart_offset	= 8,
 	},
+	[pbn_b0_bt_4_115200] = {
+		.flags		= FL_BASE0|FL_BASE_BARS,
+		.num_ports	= 4,
+		.base_baud	= 115200,
+		.uart_offset	= 8,
+	},
 	[pbn_b0_bt_8_115200] = {
 		.flags		= FL_BASE0|FL_BASE_BARS,
 		.num_ports	= 8,
@@ -3191,6 +3199,15 @@ static struct pci_device_id serial_pci_tbl[] = {
 		0x1208, 0x0004, 0, 0,
 		pbn_b0_4_921600 },
 
+	{	PCI_VENDOR_ID_KORENIX, PCI_DEVICE_ID_KORENIX_JETCARDF2,
+		0x1204, 0x0004, 0, 0,
+		pbn_b0_4_921600 },
+	{	PCI_VENDOR_ID_KORENIX, PCI_DEVICE_ID_KORENIX_JETCARDF2,
+		0x1208, 0x0004, 0, 0,
+		pbn_b0_4_921600 },
+	{	PCI_VENDOR_ID_KORENIX, PCI_DEVICE_ID_KORENIX_JETCARDF3,
+		0x1208, 0x0004, 0, 0,
+		pbn_b0_4_921600 },
 	/*
 	 * Dell Remote Access Card 4 - Tim_T_Murphy@Dell.com
 	 */
@@ -3649,6 +3666,18 @@ static struct pci_device_id serial_pci_tbl[] = {
 		0, 0, pbn_b0_1_115200 },
 
 	/*
+	 * Best Connectivity PCI Multi I/O cards
+	 */
+
+	{	PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
+		0xA000, 0x1000,
+		0, 0, pbn_b0_1_115200 },
+
+	{	PCI_VENDOR_ID_NETMOS, PCI_DEVICE_ID_NETMOS_9865,
+		0xA000, 0x3004,
+		0, 0, pbn_b0_bt_4_115200 },
+
+	/*
 	 * These entries match devices with class COMMUNICATION_SERIAL,
 	 * COMMUNICATION_MODEM or COMMUNICATION_MULTISERIAL
 	 */
diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 888a0ce91c4b..f55c49475a8c 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -447,7 +447,7 @@ config SERIAL_CLPS711X_CONSOLE
 
 config SERIAL_SAMSUNG
 	tristate "Samsung SoC serial support"
-	depends on ARM && PLAT_S3C
+	depends on ARM && PLAT_SAMSUNG
 	select SERIAL_CORE
 	help
 	  Support for the on-chip UARTs on the Samsung S3C24XX series CPUs,
@@ -455,11 +455,18 @@ config SERIAL_SAMSUNG
 	  provide all of these ports, depending on how the serial port
 	  pins are configured.
 
+config SERIAL_SAMSUNG_UARTS_4
+	bool
+	depends on ARM && PLAT_SAMSUNG
+	default y if CPU_S3C2443
+	help
+	  Internal node for the common case of 4 Samsung compatible UARTs
+
 config SERIAL_SAMSUNG_UARTS
 	int
-	depends on ARM && PLAT_S3C
+	depends on ARM && PLAT_SAMSUNG
 	default 2 if ARCH_S3C2400
-	default 4 if ARCH_S5PC1XX || ARCH_S3C64XX || CPU_S3C2443
+	default 4 if SERIAL_SAMSUNG_UARTS_4
 	default 3
 	help
 	  Select the number of available UART ports for the Samsung S3C
@@ -526,20 +533,30 @@ config SERIAL_S3C24A0
 	  Serial port support for the Samsung S3C24A0 SoC
 
 config SERIAL_S3C6400
-	tristate "Samsung S3C6400/S3C6410 Serial port support"
-	depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410)
+	tristate "Samsung S3C6400/S3C6410/S5P6440 Seria port support"
+	depends on SERIAL_SAMSUNG && (CPU_S3C6400 || CPU_S3C6410 || CPU_S5P6440)
+	select SERIAL_SAMSUNG_UARTS_4
 	default y
 	help
-	  Serial port support for the Samsung S3C6400 and S3C6410
+	  Serial port support for the Samsung S3C6400, S3C6410 and S5P6440
 	  SoCs
 
 config SERIAL_S5PC100
 	tristate "Samsung S5PC100 Serial port support"
 	depends on SERIAL_SAMSUNG && CPU_S5PC100
+	select SERIAL_SAMSUNG_UARTS_4
 	default y
 	help
 	  Serial port support for the Samsung S5PC100 SoCs
 
+config SERIAL_S5PV210
+	tristate "Samsung S5PV210 Serial port support"
+	depends on SERIAL_SAMSUNG && (CPU_S5PV210 || CPU_S5P6442)
+	select SERIAL_SAMSUNG_UARTS_4 if CPU_S5PV210
+	default y
+	help
+	  Serial port support for Samsung's S5P Family of SoC's
+
 config SERIAL_MAX3100
 	tristate "MAX3100 support"
 	depends on SPI
@@ -996,7 +1013,7 @@ config SERIAL_IP22_ZILOG_CONSOLE
 
 config SERIAL_SH_SCI
 	tristate "SuperH SCI(F) serial port support"
-	depends on HAVE_CLK && (SUPERH || H8300)
+	depends on HAVE_CLK && (SUPERH || H8300 || ARCH_SHMOBILE)
 	select SERIAL_CORE
 
 config SERIAL_SH_SCI_NR_UARTS
@@ -1009,6 +1026,10 @@ config SERIAL_SH_SCI_CONSOLE
 	depends on SERIAL_SH_SCI=y
 	select SERIAL_CORE_CONSOLE
 
+config SERIAL_SH_SCI_DMA
+	bool "DMA support"
+	depends on SERIAL_SH_SCI && SH_DMAE && EXPERIMENTAL
+
 config SERIAL_PNX8XXX
 	bool "Enable PNX8XXX SoCs' UART Support"
 	depends on MIPS && (SOC_PNX8550 || SOC_PNX833X)
@@ -1418,42 +1439,37 @@ config SERIAL_BFIN_SPORT
 	  To compile this driver as a module, choose M here: the
 	  module will be called bfin_sport_uart.
 
-choice
-	prompt "Baud rate for Blackfin SPORT UART"
-	depends on SERIAL_BFIN_SPORT
-	default SERIAL_SPORT_BAUD_RATE_57600
-	help
-	  Choose a baud rate for the SPORT UART, other uart settings are
-	  8 bit, 1 stop bit, no parity, no flow control.
-
-config SERIAL_SPORT_BAUD_RATE_115200
-	bool "115200"
-
-config SERIAL_SPORT_BAUD_RATE_57600
-	bool "57600"
+config SERIAL_BFIN_SPORT_CONSOLE
+	bool "Console on Blackfin sport emulated uart"
+	depends on SERIAL_BFIN_SPORT=y
+	select SERIAL_CORE_CONSOLE
 
-config SERIAL_SPORT_BAUD_RATE_38400
-	bool "38400"
+config SERIAL_BFIN_SPORT0_UART
+	bool "Enable UART over SPORT0"
+	depends on SERIAL_BFIN_SPORT && !(BF542 || BF542M || BF544 || BF544M)
+	help
+	  Enable UART over SPORT0
 
-config SERIAL_SPORT_BAUD_RATE_19200
-	bool "19200"
+config SERIAL_BFIN_SPORT1_UART
+	bool "Enable UART over SPORT1"
+	depends on SERIAL_BFIN_SPORT
+	help
+	  Enable UART over SPORT1
 
-config SERIAL_SPORT_BAUD_RATE_9600
-	bool "9600"
-endchoice
+config SERIAL_BFIN_SPORT2_UART
+	bool "Enable UART over SPORT2"
+	depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539)
+	help
+	  Enable UART over SPORT2
 
-config SPORT_BAUD_RATE
-	int
-	depends on SERIAL_BFIN_SPORT
-	default 115200 if (SERIAL_SPORT_BAUD_RATE_115200)
-	default 57600 if (SERIAL_SPORT_BAUD_RATE_57600)
-	default 38400 if (SERIAL_SPORT_BAUD_RATE_38400)
-	default 19200 if (SERIAL_SPORT_BAUD_RATE_19200)
-	default 9600 if (SERIAL_SPORT_BAUD_RATE_9600)
+config SERIAL_BFIN_SPORT3_UART
+	bool "Enable UART over SPORT3"
+	depends on SERIAL_BFIN_SPORT && (BF54x || BF538 || BF539)
+	help
+	  Enable UART over SPORT3
 
 config SERIAL_TIMBERDALE
 	tristate "Support for timberdale UART"
-	depends on MFD_TIMBERDALE
 	select SERIAL_CORE
 	---help---
 	Add support for UART controller on timberdale.
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 5548fe7df61d..6aa4723b74ee 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -45,6 +45,7 @@ obj-$(CONFIG_SERIAL_S3C2440) += s3c2440.o
 obj-$(CONFIG_SERIAL_S3C24A0) += s3c24a0.o
 obj-$(CONFIG_SERIAL_S3C6400) += s3c6400.o
 obj-$(CONFIG_SERIAL_S5PC100) += s3c6400.o
+obj-$(CONFIG_SERIAL_S5PV210) += s5pv210.o
 obj-$(CONFIG_SERIAL_MAX3100) += max3100.o
 obj-$(CONFIG_SERIAL_IP22_ZILOG) += ip22zilog.o
 obj-$(CONFIG_SERIAL_MUX) += mux.o
diff --git a/drivers/serial/amba-pl010.c b/drivers/serial/amba-pl010.c
index 429a8ae86933..e4b3c2c88bb6 100644
--- a/drivers/serial/amba-pl010.c
+++ b/drivers/serial/amba-pl010.c
@@ -471,6 +471,20 @@ pl010_set_termios(struct uart_port *port, struct ktermios *termios,
 	spin_unlock_irqrestore(&uap->port.lock, flags);
 }
 
+static void pl010_set_ldisc(struct uart_port *port)
+{
+	int line = port->line;
+
+	if (line >= port->state->port.tty->driver->num)
+		return;
+
+	if (port->state->port.tty->ldisc->ops->num == N_PPS) {
+		port->flags |= UPF_HARDPPS_CD;
+		pl010_enable_ms(port);
+	} else
+		port->flags &= ~UPF_HARDPPS_CD;
+}
+
 static const char *pl010_type(struct uart_port *port)
 {
 	return port->type == PORT_AMBA ? "AMBA" : NULL;
@@ -531,6 +545,7 @@ static struct uart_ops amba_pl010_pops = {
 	.startup	= pl010_startup,
 	.shutdown	= pl010_shutdown,
 	.set_termios	= pl010_set_termios,
+	.set_ldisc	= pl010_set_ldisc,
 	.type		= pl010_type,
 	.release_port	= pl010_release_port,
 	.request_port	= pl010_request_port,
diff --git a/drivers/serial/atmel_serial.c b/drivers/serial/atmel_serial.c
index 9d948bccafaf..2c9bf9b68327 100644
--- a/drivers/serial/atmel_serial.c
+++ b/drivers/serial/atmel_serial.c
@@ -1213,6 +1213,24 @@ static int atmel_verify_port(struct uart_port *port, struct serial_struct *ser)
 	return ret;
 }
 
+#ifdef CONFIG_CONSOLE_POLL
+static int atmel_poll_get_char(struct uart_port *port)
+{
+	while (!(UART_GET_CSR(port) & ATMEL_US_RXRDY))
+		cpu_relax();
+
+	return UART_GET_CHAR(port);
+}
+
+static void atmel_poll_put_char(struct uart_port *port, unsigned char ch)
+{
+	while (!(UART_GET_CSR(port) & ATMEL_US_TXRDY))
+		cpu_relax();
+
+	UART_PUT_CHAR(port, ch);
+}
+#endif
+
 static struct uart_ops atmel_pops = {
 	.tx_empty	= atmel_tx_empty,
 	.set_mctrl	= atmel_set_mctrl,
@@ -1232,6 +1250,10 @@ static struct uart_ops atmel_pops = {
 	.config_port	= atmel_config_port,
 	.verify_port	= atmel_verify_port,
 	.pm		= atmel_serial_pm,
+#ifdef CONFIG_CONSOLE_POLL
+	.poll_get_char	= atmel_poll_get_char,
+	.poll_put_char	= atmel_poll_put_char,
+#endif
 };
 
 /*
diff --git a/drivers/serial/bcm63xx_uart.c b/drivers/serial/bcm63xx_uart.c
index 37ad0c449937..a1a0e55d0807 100644
--- a/drivers/serial/bcm63xx_uart.c
+++ b/drivers/serial/bcm63xx_uart.c
@@ -35,7 +35,7 @@
 #include <bcm63xx_regs.h>
 #include <bcm63xx_io.h>
 
-#define BCM63XX_NR_UARTS	1
+#define BCM63XX_NR_UARTS	2
 
 static struct uart_port ports[BCM63XX_NR_UARTS];
 
@@ -784,7 +784,7 @@ static struct uart_driver bcm_uart_driver = {
 	.dev_name	= "ttyS",
 	.major		= TTY_MAJOR,
 	.minor		= 64,
-	.nr		= 1,
+	.nr		= BCM63XX_NR_UARTS,
 	.cons		= BCM63XX_CONSOLE,
 };
 
@@ -826,11 +826,12 @@ static int __devinit bcm_uart_probe(struct platform_device *pdev)
 	port->dev = &pdev->dev;
 	port->fifosize = 16;
 	port->uartclk = clk_get_rate(clk) / 2;
+	port->line = pdev->id;
 	clk_put(clk);
 
 	ret = uart_add_one_port(&bcm_uart_driver, port);
 	if (ret) {
-		kfree(port);
+		ports[pdev->id].membase = 0;
 		return ret;
 	}
 	platform_set_drvdata(pdev, port);
diff --git a/drivers/serial/bfin_5xx.c b/drivers/serial/bfin_5xx.c
index 50abb7e557f4..fcf273e3f48c 100644
--- a/drivers/serial/bfin_5xx.c
+++ b/drivers/serial/bfin_5xx.c
@@ -14,6 +14,7 @@
 
 #include <linux/module.h>
 #include <linux/ioport.h>
+#include <linux/io.h>
 #include <linux/init.h>
 #include <linux/console.h>
 #include <linux/sysrq.h>
@@ -237,7 +238,8 @@ static void bfin_serial_rx_chars(struct bfin_serial_port *uart)
 
 #if defined(CONFIG_KGDB_SERIAL_CONSOLE) || \
 	defined(CONFIG_KGDB_SERIAL_CONSOLE_MODULE)
-	if (kgdb_connected && kgdboc_port_line == uart->port.line)
+	if (kgdb_connected && kgdboc_port_line == uart->port.line
+		&& kgdboc_break_enabled)
 		if (ch == 0x3) {/* Ctrl + C */
 			kgdb_breakpoint();
 			return;
@@ -488,6 +490,7 @@ void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart)
 {
 	int x_pos, pos;
 
+	dma_disable_irq(uart->tx_dma_channel);
 	dma_disable_irq(uart->rx_dma_channel);
 	spin_lock_bh(&uart->port.lock);
 
@@ -521,6 +524,7 @@ void bfin_serial_rx_dma_timeout(struct bfin_serial_port *uart)
 	}
 
 	spin_unlock_bh(&uart->port.lock);
+	dma_enable_irq(uart->tx_dma_channel);
 	dma_enable_irq(uart->rx_dma_channel);
 
 	mod_timer(&(uart->rx_dma_timer), jiffies + DMA_RX_FLUSH_JIFFIES);
@@ -746,15 +750,6 @@ static int bfin_serial_startup(struct uart_port *port)
 			Status interrupt.\n");
 	}
 
-	if (uart->cts_pin >= 0) {
-		gpio_request(uart->cts_pin, DRIVER_NAME);
-		gpio_direction_output(uart->cts_pin, 1);
-	}
-	if (uart->rts_pin >= 0) {
-		gpio_request(uart->rts_pin, DRIVER_NAME);
-		gpio_direction_output(uart->rts_pin, 0);
-	}
-
 	/* CTS RTS PINs are negative assertive. */
 	UART_PUT_MCR(uart, ACTS);
 	UART_SET_IER(uart, EDSSI);
@@ -801,10 +796,6 @@ static void bfin_serial_shutdown(struct uart_port *port)
 		gpio_free(uart->rts_pin);
 #endif
 #ifdef CONFIG_SERIAL_BFIN_HARD_CTSRTS
-	if (uart->cts_pin >= 0)
-		gpio_free(uart->cts_pin);
-	if (uart->rts_pin >= 0)
-		gpio_free(uart->rts_pin);
 	if (UART_GET_IER(uart) && EDSSI)
 		free_irq(uart->status_irq, uart);
 #endif
@@ -1409,8 +1400,7 @@ static int bfin_serial_remove(struct platform_device *dev)
 			continue;
 		uart_remove_one_port(&bfin_serial_reg, &bfin_serial_ports[i].port);
 		bfin_serial_ports[i].port.dev = NULL;
-#if defined(CONFIG_SERIAL_BFIN_CTSRTS) || \
-	defined(CONFIG_SERIAL_BFIN_HARD_CTSRTS)
+#if defined(CONFIG_SERIAL_BFIN_CTSRTS)
 		gpio_free(bfin_serial_ports[i].cts_pin);
 		gpio_free(bfin_serial_ports[i].rts_pin);
 #endif
diff --git a/drivers/serial/bfin_sport_uart.c b/drivers/serial/bfin_sport_uart.c
index 088bb35475f1..7c72888fbf94 100644
--- a/drivers/serial/bfin_sport_uart.c
+++ b/drivers/serial/bfin_sport_uart.c
@@ -1,27 +1,11 @@
 /*
- * File:	linux/drivers/serial/bfin_sport_uart.c
+ * Blackfin On-Chip Sport Emulated UART Driver
  *
- * Based on:	drivers/serial/bfin_5xx.c by Aubrey Li.
- * Author:	Roy Huang <roy.huang@analog.com>
+ * Copyright 2006-2009 Analog Devices Inc.
  *
- * Created:	Nov 22, 2006
- * Copyright:	(c) 2006-2007 Analog Devices Inc.
- * Description: this driver enable SPORTs on Blackfin emulate UART.
+ * Enter bugs at http://blackfin.uclinux.org/
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ * Licensed under the GPL-2 or later.
  */
 
 /*
@@ -29,39 +13,18 @@
  * http://www.analog.com/UploadedFiles/Application_Notes/399447663EE191.pdf
  * This application note describe how to implement a UART on a Sharc DSP,
  * but this driver is implemented on Blackfin Processor.
+ * Transmit Frame Sync is not used by this driver to transfer data out.
  */
 
-/* After reset, there is a prelude of low level pulse when transmit data first
- * time. No addtional pulse in following transmit.
- * According to document:
- * The SPORTs are ready to start transmitting or receiving data no later than
- * three serial clock cycles after they are enabled in the SPORTx_TCR1 or
- * SPORTx_RCR1 register. No serial clock cycles are lost from this point on.
- * The first internal frame sync will occur one frame sync delay after the
- * SPORTs are ready. External frame syncs can occur as soon as the SPORT is
- * ready.
- */
+/* #define DEBUG */
 
-/* Thanks to Axel Alatalo <axel@rubico.se> for fixing sport rx bug. Sometimes
- * sport receives data incorrectly. The following is Axel's words.
- * As EE-191, sport rx samples 3 times of the UART baudrate and takes the
- * middle smaple of every 3 samples as the data bit. For a 8-N-1 UART setting,
- * 30 samples will be required for a byte. If transmitter sends a 1/3 bit short
- * byte due to buadrate drift, then the 30th sample of a byte, this sample is
- * also the third sample of the stop bit, will happens on the immediately
- * following start bit which will be thrown away and missed. Thus since parts
- * of the startbit will be missed and the receiver will begin to drift, the
- * effect accumulates over time until synchronization is lost.
- * If only require 2 samples of the stopbit (by sampling in total 29 samples),
- * then a to short byte as in the case above will be tolerated. Then the 1/3
- * early startbit will trigger a framesync since the last read is complete
- * after only 2/3 stopbit and framesync is active during the last 1/3 looking
- * for a possible early startbit. */
-
-//#define DEBUG
+#define DRV_NAME "bfin-sport-uart"
+#define DEVICE_NAME	"ttySS"
+#define pr_fmt(fmt) DRV_NAME ": " fmt
 
 #include <linux/module.h>
 #include <linux/ioport.h>
+#include <linux/io.h>
 #include <linux/init.h>
 #include <linux/console.h>
 #include <linux/sysrq.h>
@@ -75,23 +38,36 @@
 
 #include "bfin_sport_uart.h"
 
+#ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
 unsigned short bfin_uart_pin_req_sport0[] =
 	{P_SPORT0_TFS, P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS, \
 	 P_SPORT0_DRPRI, P_SPORT0_RSCLK, P_SPORT0_DRSEC, P_SPORT0_DTSEC, 0};
-
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
 unsigned short bfin_uart_pin_req_sport1[] =
 	{P_SPORT1_TFS, P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS, \
 	P_SPORT1_DRPRI, P_SPORT1_RSCLK, P_SPORT1_DRSEC, P_SPORT1_DTSEC, 0};
-
-#define DRV_NAME "bfin-sport-uart"
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT2_UART
+unsigned short bfin_uart_pin_req_sport2[] =
+	{P_SPORT2_TFS, P_SPORT2_DTPRI, P_SPORT2_TSCLK, P_SPORT2_RFS, \
+	P_SPORT2_DRPRI, P_SPORT2_RSCLK, P_SPORT2_DRSEC, P_SPORT2_DTSEC, 0};
+#endif
+#ifdef CONFIG_SERIAL_BFIN_SPORT3_UART
+unsigned short bfin_uart_pin_req_sport3[] =
+	{P_SPORT3_TFS, P_SPORT3_DTPRI, P_SPORT3_TSCLK, P_SPORT3_RFS, \
+	P_SPORT3_DRPRI, P_SPORT3_RSCLK, P_SPORT3_DRSEC, P_SPORT3_DTSEC, 0};
+#endif
 
 struct sport_uart_port {
 	struct uart_port	port;
-	char			*name;
-
-	int			tx_irq;
-	int			rx_irq;
 	int			err_irq;
+	unsigned short		csize;
+	unsigned short		rxmask;
+	unsigned short		txmask1;
+	unsigned short		txmask2;
+	unsigned char		stopb;
+/*	unsigned char		parib; */
 };
 
 static void sport_uart_tx_chars(struct sport_uart_port *up);
@@ -99,36 +75,42 @@ static void sport_stop_tx(struct uart_port *port);
 
 static inline void tx_one_byte(struct sport_uart_port *up, unsigned int value)
 {
-	pr_debug("%s value:%x\n", __func__, value);
-	/* Place a Start and Stop bit */
+	pr_debug("%s value:%x, mask1=0x%x, mask2=0x%x\n", __func__, value,
+		up->txmask1, up->txmask2);
+
+	/* Place Start and Stop bits */
 	__asm__ __volatile__ (
-		"R2 = b#01111111100;"
-		"R3 = b#10000000001;"
-		"%0 <<= 2;"
-		"%0 = %0 & R2;"
-		"%0 = %0 | R3;"
-		: "=d"(value)
-		: "d"(value)
-		: "ASTAT", "R2", "R3"
+		"%[val] <<= 1;"
+		"%[val] = %[val] & %[mask1];"
+		"%[val] = %[val] | %[mask2];"
+		: [val]"+d"(value)
+		: [mask1]"d"(up->txmask1), [mask2]"d"(up->txmask2)
+		: "ASTAT"
 	);
 	pr_debug("%s value:%x\n", __func__, value);
 
 	SPORT_PUT_TX(up, value);
 }
 
-static inline unsigned int rx_one_byte(struct sport_uart_port *up)
+static inline unsigned char rx_one_byte(struct sport_uart_port *up)
 {
-	unsigned int value, extract;
+	unsigned int value;
+	unsigned char extract;
 	u32 tmp_mask1, tmp_mask2, tmp_shift, tmp;
 
-	value = SPORT_GET_RX32(up);
-	pr_debug("%s value:%x\n", __func__, value);
+	if ((up->csize + up->stopb) > 7)
+		value = SPORT_GET_RX32(up);
+	else
+		value = SPORT_GET_RX(up);
+
+	pr_debug("%s value:%x, cs=%d, mask=0x%x\n", __func__, value,
+		up->csize, up->rxmask);
 
-	/* Extract 8 bits data */
+	/* Extract data */
 	__asm__ __volatile__ (
 		"%[extr] = 0;"
-		"%[mask1] = 0x1801(Z);"
-		"%[mask2] = 0x0300(Z);"
+		"%[mask1] = %[rxmask];"
+		"%[mask2] = 0x0200(Z);"
 		"%[shift] = 0;"
 		"LSETUP(.Lloop_s, .Lloop_e) LC0 = %[lc];"
 		".Lloop_s:"
@@ -138,9 +120,9 @@ static inline unsigned int rx_one_byte(struct sport_uart_port *up)
 		"%[mask1] = %[mask1] - %[mask2];"
 		".Lloop_e:"
 		"%[shift] += 1;"
-		: [val]"=d"(value), [extr]"=d"(extract), [shift]"=d"(tmp_shift), [tmp]"=d"(tmp),
-		  [mask1]"=d"(tmp_mask1), [mask2]"=d"(tmp_mask2)
-		: "d"(value), [lc]"a"(8)
+		: [extr]"=&d"(extract), [shift]"=&d"(tmp_shift), [tmp]"=&d"(tmp),
+		  [mask1]"=&d"(tmp_mask1), [mask2]"=&d"(tmp_mask2)
+		: [val]"d"(value), [rxmask]"d"(up->rxmask), [lc]"a"(up->csize)
 		: "ASTAT", "LB0", "LC0", "LT0"
 	);
 
@@ -148,29 +130,28 @@ static inline unsigned int rx_one_byte(struct sport_uart_port *up)
 	return extract;
 }
 
-static int sport_uart_setup(struct sport_uart_port *up, int sclk, int baud_rate)
+static int sport_uart_setup(struct sport_uart_port *up, int size, int baud_rate)
 {
-	int tclkdiv, tfsdiv, rclkdiv;
+	int tclkdiv, rclkdiv;
+	unsigned int sclk = get_sclk();
 
-	/* Set TCR1 and TCR2 */
-	SPORT_PUT_TCR1(up, (LATFS | ITFS | TFSR | TLSBIT | ITCLK));
-	SPORT_PUT_TCR2(up, 10);
+	/* Set TCR1 and TCR2, TFSR is not enabled for uart */
+	SPORT_PUT_TCR1(up, (ITFS | TLSBIT | ITCLK));
+	SPORT_PUT_TCR2(up, size + 1);
 	pr_debug("%s TCR1:%x, TCR2:%x\n", __func__, SPORT_GET_TCR1(up), SPORT_GET_TCR2(up));
 
 	/* Set RCR1 and RCR2 */
 	SPORT_PUT_RCR1(up, (RCKFE | LARFS | LRFS | RFSR | IRCLK));
-	SPORT_PUT_RCR2(up, 28);
+	SPORT_PUT_RCR2(up, (size + 1) * 2 - 1);
 	pr_debug("%s RCR1:%x, RCR2:%x\n", __func__, SPORT_GET_RCR1(up), SPORT_GET_RCR2(up));
 
-	tclkdiv = sclk/(2 * baud_rate) - 1;
-	tfsdiv = 12;
-	rclkdiv = sclk/(2 * baud_rate * 3) - 1;
+	tclkdiv = sclk / (2 * baud_rate) - 1;
+	rclkdiv = sclk / (2 * baud_rate * 2) - 1;
 	SPORT_PUT_TCLKDIV(up, tclkdiv);
-	SPORT_PUT_TFSDIV(up, tfsdiv);
 	SPORT_PUT_RCLKDIV(up, rclkdiv);
 	SSYNC();
-	pr_debug("%s sclk:%d, baud_rate:%d, tclkdiv:%d, tfsdiv:%d, rclkdiv:%d\n",
-			__func__, sclk, baud_rate, tclkdiv, tfsdiv, rclkdiv);
+	pr_debug("%s sclk:%d, baud_rate:%d, tclkdiv:%d, rclkdiv:%d\n",
+			__func__, sclk, baud_rate, tclkdiv, rclkdiv);
 
 	return 0;
 }
@@ -181,23 +162,29 @@ static irqreturn_t sport_uart_rx_irq(int irq, void *dev_id)
 	struct tty_struct *tty = up->port.state->port.tty;
 	unsigned int ch;
 
-	do {
+	spin_lock(&up->port.lock);
+
+	while (SPORT_GET_STAT(up) & RXNE) {
 		ch = rx_one_byte(up);
 		up->port.icount.rx++;
 
-		if (uart_handle_sysrq_char(&up->port, ch))
-			;
-		else
+		if (!uart_handle_sysrq_char(&up->port, ch))
 			tty_insert_flip_char(tty, ch, TTY_NORMAL);
-	} while (SPORT_GET_STAT(up) & RXNE);
+	}
 	tty_flip_buffer_push(tty);
 
+	spin_unlock(&up->port.lock);
+
 	return IRQ_HANDLED;
 }
 
 static irqreturn_t sport_uart_tx_irq(int irq, void *dev_id)
 {
-	sport_uart_tx_chars(dev_id);
+	struct sport_uart_port *up = dev_id;
+
+	spin_lock(&up->port.lock);
+	sport_uart_tx_chars(up);
+	spin_unlock(&up->port.lock);
 
 	return IRQ_HANDLED;
 }
@@ -208,6 +195,8 @@ static irqreturn_t sport_uart_err_irq(int irq, void *dev_id)
 	struct tty_struct *tty = up->port.state->port.tty;
 	unsigned int stat = SPORT_GET_STAT(up);
 
+	spin_lock(&up->port.lock);
+
 	/* Overflow in RX FIFO */
 	if (stat & ROVF) {
 		up->port.icount.overrun++;
@@ -216,15 +205,16 @@ static irqreturn_t sport_uart_err_irq(int irq, void *dev_id)
 	}
 	/* These should not happen */
 	if (stat & (TOVF | TUVF | RUVF)) {
-		printk(KERN_ERR "SPORT Error:%s %s %s\n",
-				(stat & TOVF)?"TX overflow":"",
-				(stat & TUVF)?"TX underflow":"",
-				(stat & RUVF)?"RX underflow":"");
+		pr_err("SPORT Error:%s %s %s\n",
+		       (stat & TOVF) ? "TX overflow" : "",
+		       (stat & TUVF) ? "TX underflow" : "",
+		       (stat & RUVF) ? "RX underflow" : "");
 		SPORT_PUT_TCR1(up, SPORT_GET_TCR1(up) & ~TSPEN);
 		SPORT_PUT_RCR1(up, SPORT_GET_RCR1(up) & ~RSPEN);
 	}
 	SSYNC();
 
+	spin_unlock(&up->port.lock);
 	return IRQ_HANDLED;
 }
 
@@ -232,60 +222,37 @@ static irqreturn_t sport_uart_err_irq(int irq, void *dev_id)
 static int sport_startup(struct uart_port *port)
 {
 	struct sport_uart_port *up = (struct sport_uart_port *)port;
-	char buffer[20];
-	int retval;
+	int ret;
 
 	pr_debug("%s enter\n", __func__);
-	snprintf(buffer, 20, "%s rx", up->name);
-	retval = request_irq(up->rx_irq, sport_uart_rx_irq, IRQF_SAMPLE_RANDOM, buffer, up);
-	if (retval) {
-		printk(KERN_ERR "Unable to request interrupt %s\n", buffer);
-		return retval;
+	ret = request_irq(up->port.irq, sport_uart_rx_irq, 0,
+		"SPORT_UART_RX", up);
+	if (ret) {
+		dev_err(port->dev, "unable to request SPORT RX interrupt\n");
+		return ret;
 	}
 
-	snprintf(buffer, 20, "%s tx", up->name);
-	retval = request_irq(up->tx_irq, sport_uart_tx_irq, IRQF_SAMPLE_RANDOM, buffer, up);
-	if (retval) {
-		printk(KERN_ERR "Unable to request interrupt %s\n", buffer);
+	ret = request_irq(up->port.irq+1, sport_uart_tx_irq, 0,
+		"SPORT_UART_TX", up);
+	if (ret) {
+		dev_err(port->dev, "unable to request SPORT TX interrupt\n");
 		goto fail1;
 	}
 
-	snprintf(buffer, 20, "%s err", up->name);
-	retval = request_irq(up->err_irq, sport_uart_err_irq, IRQF_SAMPLE_RANDOM, buffer, up);
-	if (retval) {
-		printk(KERN_ERR "Unable to request interrupt %s\n", buffer);
+	ret = request_irq(up->err_irq, sport_uart_err_irq, 0,
+		"SPORT_UART_STATUS", up);
+	if (ret) {
+		dev_err(port->dev, "unable to request SPORT status interrupt\n");
 		goto fail2;
 	}
 
-	if (port->line) {
-		if (peripheral_request_list(bfin_uart_pin_req_sport1, DRV_NAME))
-			goto fail3;
-	} else {
-		if (peripheral_request_list(bfin_uart_pin_req_sport0, DRV_NAME))
-			goto fail3;
-	}
-
-	sport_uart_setup(up, get_sclk(), port->uartclk);
-
-	/* Enable receive interrupt */
-	SPORT_PUT_RCR1(up, (SPORT_GET_RCR1(up) | RSPEN));
-	SSYNC();
-
 	return 0;
+ fail2:
+	free_irq(up->port.irq+1, up);
+ fail1:
+	free_irq(up->port.irq, up);
 
-
-fail3:
-	printk(KERN_ERR DRV_NAME
-		": Requesting Peripherals failed\n");
-
-	free_irq(up->err_irq, up);
-fail2:
-	free_irq(up->tx_irq, up);
-fail1:
-	free_irq(up->rx_irq, up);
-
-	return retval;
-
+	return ret;
 }
 
 static void sport_uart_tx_chars(struct sport_uart_port *up)
@@ -344,20 +311,17 @@ static void sport_set_mctrl(struct uart_port *port, unsigned int mctrl)
 static void sport_stop_tx(struct uart_port *port)
 {
 	struct sport_uart_port *up = (struct sport_uart_port *)port;
-	unsigned int stat;
 
 	pr_debug("%s enter\n", __func__);
 
-	stat = SPORT_GET_STAT(up);
-	while(!(stat & TXHRE)) {
-		udelay(1);
-		stat = SPORT_GET_STAT(up);
-	}
 	/* Although the hold register is empty, last byte is still in shift
-	 * register and not sent out yet. If baud rate is lower than default,
-	 * delay should be longer. For example, if the baud rate is 9600,
-	 * the delay must be at least 2ms by experience */
-	udelay(500);
+	 * register and not sent out yet. So, put a dummy data into TX FIFO.
+	 * Then, sport tx stops when last byte is shift out and the dummy
+	 * data is moved into the shift register.
+	 */
+	SPORT_PUT_TX(up, 0xffff);
+	while (!(SPORT_GET_STAT(up) & TXHRE))
+		cpu_relax();
 
 	SPORT_PUT_TCR1(up, (SPORT_GET_TCR1(up) & ~TSPEN));
 	SSYNC();
@@ -370,6 +334,7 @@ static void sport_start_tx(struct uart_port *port)
 	struct sport_uart_port *up = (struct sport_uart_port *)port;
 
 	pr_debug("%s enter\n", __func__);
+
 	/* Write data into SPORT FIFO before enable SPROT to transmit */
 	sport_uart_tx_chars(up);
 
@@ -403,37 +368,24 @@ static void sport_shutdown(struct uart_port *port)
 {
 	struct sport_uart_port *up = (struct sport_uart_port *)port;
 
-	pr_debug("%s enter\n", __func__);
+	dev_dbg(port->dev, "%s enter\n", __func__);
 
 	/* Disable sport */
 	SPORT_PUT_TCR1(up, (SPORT_GET_TCR1(up) & ~TSPEN));
 	SPORT_PUT_RCR1(up, (SPORT_GET_RCR1(up) & ~RSPEN));
 	SSYNC();
 
-	if (port->line) {
-		peripheral_free_list(bfin_uart_pin_req_sport1);
-	} else {
-		peripheral_free_list(bfin_uart_pin_req_sport0);
-	}
-
-	free_irq(up->rx_irq, up);
-	free_irq(up->tx_irq, up);
+	free_irq(up->port.irq, up);
+	free_irq(up->port.irq+1, up);
 	free_irq(up->err_irq, up);
 }
 
-static void sport_set_termios(struct uart_port *port,
-		struct ktermios *termios, struct ktermios *old)
-{
-	pr_debug("%s enter, c_cflag:%08x\n", __func__, termios->c_cflag);
-	uart_update_timeout(port, CS8 ,port->uartclk);
-}
-
 static const char *sport_type(struct uart_port *port)
 {
 	struct sport_uart_port *up = (struct sport_uart_port *)port;
 
 	pr_debug("%s enter\n", __func__);
-	return up->name;
+	return up->port.type == PORT_BFIN_SPORT ? "BFIN-SPORT-UART" : NULL;
 }
 
 static void sport_release_port(struct uart_port *port)
@@ -461,6 +413,110 @@ static int sport_verify_port(struct uart_port *port, struct serial_struct *ser)
 	return 0;
 }
 
+static void sport_set_termios(struct uart_port *port,
+		struct ktermios *termios, struct ktermios *old)
+{
+	struct sport_uart_port *up = (struct sport_uart_port *)port;
+	unsigned long flags;
+	int i;
+
+	pr_debug("%s enter, c_cflag:%08x\n", __func__, termios->c_cflag);
+
+	switch (termios->c_cflag & CSIZE) {
+	case CS8:
+		up->csize = 8;
+		break;
+	case CS7:
+		up->csize = 7;
+		break;
+	case CS6:
+		up->csize = 6;
+		break;
+	case CS5:
+		up->csize = 5;
+		break;
+	default:
+		pr_warning("requested word length not supported\n");
+	}
+
+	if (termios->c_cflag & CSTOPB) {
+		up->stopb = 1;
+	}
+	if (termios->c_cflag & PARENB) {
+		pr_warning("PAREN bits is not supported yet\n");
+		/* up->parib = 1; */
+	}
+
+	port->read_status_mask = OE;
+	if (termios->c_iflag & INPCK)
+		port->read_status_mask |= (FE | PE);
+	if (termios->c_iflag & (BRKINT | PARMRK))
+		port->read_status_mask |= BI;
+
+	/*
+	 * Characters to ignore
+	 */
+	port->ignore_status_mask = 0;
+	if (termios->c_iflag & IGNPAR)
+		port->ignore_status_mask |= FE | PE;
+	if (termios->c_iflag & IGNBRK) {
+		port->ignore_status_mask |= BI;
+		/*
+		 * If we're ignoring parity and break indicators,
+		 * ignore overruns too (for real raw support).
+		 */
+		if (termios->c_iflag & IGNPAR)
+			port->ignore_status_mask |= OE;
+	}
+
+	/* RX extract mask */
+	up->rxmask = 0x01 | (((up->csize + up->stopb) * 2 - 1) << 0x8);
+	/* TX masks, 8 bit data and 1 bit stop for example:
+	 * mask1 = b#0111111110
+	 * mask2 = b#1000000000
+	 */
+	for (i = 0, up->txmask1 = 0; i < up->csize; i++)
+		up->txmask1 |= (1<<i);
+	up->txmask2 = (1<<i);
+	if (up->stopb) {
+		++i;
+		up->txmask2 |= (1<<i);
+	}
+	up->txmask1 <<= 1;
+	up->txmask2 <<= 1;
+	/* uart baud rate */
+	port->uartclk = uart_get_baud_rate(port, termios, old, 0, get_sclk()/16);
+
+	spin_lock_irqsave(&up->port.lock, flags);
+
+	/* Disable UART */
+	SPORT_PUT_TCR1(up, SPORT_GET_TCR1(up) & ~TSPEN);
+	SPORT_PUT_RCR1(up, SPORT_GET_RCR1(up) & ~RSPEN);
+
+	sport_uart_setup(up, up->csize + up->stopb, port->uartclk);
+
+	/* driver TX line high after config, one dummy data is
+	 * necessary to stop sport after shift one byte
+	 */
+	SPORT_PUT_TX(up, 0xffff);
+	SPORT_PUT_TX(up, 0xffff);
+	SPORT_PUT_TCR1(up, (SPORT_GET_TCR1(up) | TSPEN));
+	SSYNC();
+	while (!(SPORT_GET_STAT(up) & TXHRE))
+		cpu_relax();
+	SPORT_PUT_TCR1(up, SPORT_GET_TCR1(up) & ~TSPEN);
+	SSYNC();
+
+	/* Port speed changed, update the per-port timeout. */
+	uart_update_timeout(port, termios->c_cflag, port->uartclk);
+
+	/* Enable sport rx */
+	SPORT_PUT_RCR1(up, SPORT_GET_RCR1(up) | RSPEN);
+	SSYNC();
+
+	spin_unlock_irqrestore(&up->port.lock, flags);
+}
+
 struct uart_ops sport_uart_ops = {
 	.tx_empty	= sport_tx_empty,
 	.set_mctrl	= sport_set_mctrl,
@@ -480,138 +536,319 @@ struct uart_ops sport_uart_ops = {
 	.verify_port	= sport_verify_port,
 };
 
-static struct sport_uart_port sport_uart_ports[] = {
-	{ /* SPORT 0 */
-		.name	= "SPORT0",
-		.tx_irq = IRQ_SPORT0_TX,
-		.rx_irq = IRQ_SPORT0_RX,
-		.err_irq= IRQ_SPORT0_ERROR,
-		.port	= {
-			.type		= PORT_BFIN_SPORT,
-			.iotype		= UPIO_MEM,
-			.membase	= (void __iomem *)SPORT0_TCR1,
-			.mapbase	= SPORT0_TCR1,
-			.irq		= IRQ_SPORT0_RX,
-			.uartclk	= CONFIG_SPORT_BAUD_RATE,
-			.fifosize	= 8,
-			.ops		= &sport_uart_ops,
-			.line		= 0,
-		},
-	}, { /* SPORT 1 */
-		.name	= "SPORT1",
-		.tx_irq = IRQ_SPORT1_TX,
-		.rx_irq = IRQ_SPORT1_RX,
-		.err_irq= IRQ_SPORT1_ERROR,
-		.port	= {
-			.type		= PORT_BFIN_SPORT,
-			.iotype		= UPIO_MEM,
-			.membase	= (void __iomem *)SPORT1_TCR1,
-			.mapbase	= SPORT1_TCR1,
-			.irq		= IRQ_SPORT1_RX,
-			.uartclk	= CONFIG_SPORT_BAUD_RATE,
-			.fifosize	= 8,
-			.ops		= &sport_uart_ops,
-			.line		= 1,
-		},
+#define BFIN_SPORT_UART_MAX_PORTS 4
+
+static struct sport_uart_port *bfin_sport_uart_ports[BFIN_SPORT_UART_MAX_PORTS];
+
+#ifdef CONFIG_SERIAL_BFIN_SPORT_CONSOLE
+static int __init
+sport_uart_console_setup(struct console *co, char *options)
+{
+	struct sport_uart_port *up;
+	int baud = 57600;
+	int bits = 8;
+	int parity = 'n';
+	int flow = 'n';
+
+	/* Check whether an invalid uart number has been specified */
+	if (co->index < 0 || co->index >= BFIN_SPORT_UART_MAX_PORTS)
+		return -ENODEV;
+
+	up = bfin_sport_uart_ports[co->index];
+	if (!up)
+		return -ENODEV;
+
+	if (options)
+		uart_parse_options(options, &baud, &parity, &bits, &flow);
+
+	return uart_set_options(&up->port, co, baud, parity, bits, flow);
+}
+
+static void sport_uart_console_putchar(struct uart_port *port, int ch)
+{
+	struct sport_uart_port *up = (struct sport_uart_port *)port;
+
+	while (SPORT_GET_STAT(up) & TXF)
+		barrier();
+
+	tx_one_byte(up, ch);
+}
+
+/*
+ * Interrupts are disabled on entering
+ */
+static void
+sport_uart_console_write(struct console *co, const char *s, unsigned int count)
+{
+	struct sport_uart_port *up = bfin_sport_uart_ports[co->index];
+	unsigned long flags;
+
+	spin_lock_irqsave(&up->port.lock, flags);
+
+	if (SPORT_GET_TCR1(up) & TSPEN)
+		uart_console_write(&up->port, s, count, sport_uart_console_putchar);
+	else {
+		/* dummy data to start sport */
+		while (SPORT_GET_STAT(up) & TXF)
+			barrier();
+		SPORT_PUT_TX(up, 0xffff);
+		/* Enable transmit, then an interrupt will generated */
+		SPORT_PUT_TCR1(up, (SPORT_GET_TCR1(up) | TSPEN));
+		SSYNC();
+
+		uart_console_write(&up->port, s, count, sport_uart_console_putchar);
+
+		/* Although the hold register is empty, last byte is still in shift
+		 * register and not sent out yet. So, put a dummy data into TX FIFO.
+		 * Then, sport tx stops when last byte is shift out and the dummy
+		 * data is moved into the shift register.
+		 */
+		while (SPORT_GET_STAT(up) & TXF)
+			barrier();
+		SPORT_PUT_TX(up, 0xffff);
+		while (!(SPORT_GET_STAT(up) & TXHRE))
+			barrier();
+
+		/* Stop sport tx transfer */
+		SPORT_PUT_TCR1(up, (SPORT_GET_TCR1(up) & ~TSPEN));
+		SSYNC();
 	}
+
+	spin_unlock_irqrestore(&up->port.lock, flags);
+}
+
+static struct uart_driver sport_uart_reg;
+
+static struct console sport_uart_console = {
+	.name		= DEVICE_NAME,
+	.write		= sport_uart_console_write,
+	.device		= uart_console_device,
+	.setup		= sport_uart_console_setup,
+	.flags		= CON_PRINTBUFFER,
+	.index		= -1,
+	.data		= &sport_uart_reg,
 };
 
+#define SPORT_UART_CONSOLE	(&sport_uart_console)
+#else
+#define SPORT_UART_CONSOLE	NULL
+#endif /* CONFIG_SERIAL_BFIN_SPORT_CONSOLE */
+
+
 static struct uart_driver sport_uart_reg = {
 	.owner		= THIS_MODULE,
-	.driver_name	= "SPORT-UART",
-	.dev_name	= "ttySS",
+	.driver_name	= DRV_NAME,
+	.dev_name	= DEVICE_NAME,
 	.major		= 204,
 	.minor		= 84,
-	.nr		= ARRAY_SIZE(sport_uart_ports),
-	.cons		= NULL,
+	.nr		= BFIN_SPORT_UART_MAX_PORTS,
+	.cons		= SPORT_UART_CONSOLE,
 };
 
-static int sport_uart_suspend(struct platform_device *dev, pm_message_t state)
+#ifdef CONFIG_PM
+static int sport_uart_suspend(struct device *dev)
 {
-	struct sport_uart_port *sport = platform_get_drvdata(dev);
+	struct sport_uart_port *sport = dev_get_drvdata(dev);
 
-	pr_debug("%s enter\n", __func__);
+	dev_dbg(dev, "%s enter\n", __func__);
 	if (sport)
 		uart_suspend_port(&sport_uart_reg, &sport->port);
 
 	return 0;
 }
 
-static int sport_uart_resume(struct platform_device *dev)
+static int sport_uart_resume(struct device *dev)
 {
-	struct sport_uart_port *sport = platform_get_drvdata(dev);
+	struct sport_uart_port *sport = dev_get_drvdata(dev);
 
-	pr_debug("%s enter\n", __func__);
+	dev_dbg(dev, "%s enter\n", __func__);
 	if (sport)
 		uart_resume_port(&sport_uart_reg, &sport->port);
 
 	return 0;
 }
 
-static int sport_uart_probe(struct platform_device *dev)
+static struct dev_pm_ops bfin_sport_uart_dev_pm_ops = {
+	.suspend	= sport_uart_suspend,
+	.resume		= sport_uart_resume,
+};
+#endif
+
+static int __devinit sport_uart_probe(struct platform_device *pdev)
 {
-	pr_debug("%s enter\n", __func__);
-	sport_uart_ports[dev->id].port.dev = &dev->dev;
-	uart_add_one_port(&sport_uart_reg, &sport_uart_ports[dev->id].port);
-	platform_set_drvdata(dev, &sport_uart_ports[dev->id]);
+	struct resource *res;
+	struct sport_uart_port *sport;
+	int ret = 0;
 
-	return 0;
+	dev_dbg(&pdev->dev, "%s enter\n", __func__);
+
+	if (pdev->id < 0 || pdev->id >= BFIN_SPORT_UART_MAX_PORTS) {
+		dev_err(&pdev->dev, "Wrong sport uart platform device id.\n");
+		return -ENOENT;
+	}
+
+	if (bfin_sport_uart_ports[pdev->id] == NULL) {
+		bfin_sport_uart_ports[pdev->id] =
+			kmalloc(sizeof(struct sport_uart_port), GFP_KERNEL);
+		sport = bfin_sport_uart_ports[pdev->id];
+		if (!sport) {
+			dev_err(&pdev->dev,
+				"Fail to kmalloc sport_uart_port\n");
+			return -ENOMEM;
+		}
+
+		ret = peripheral_request_list(
+			(unsigned short *)pdev->dev.platform_data, DRV_NAME);
+		if (ret) {
+			dev_err(&pdev->dev,
+				"Fail to request SPORT peripherals\n");
+			goto out_error_free_mem;
+		}
+
+		spin_lock_init(&sport->port.lock);
+		sport->port.fifosize  = SPORT_TX_FIFO_SIZE,
+		sport->port.ops       = &sport_uart_ops;
+		sport->port.line      = pdev->id;
+		sport->port.iotype    = UPIO_MEM;
+		sport->port.flags     = UPF_BOOT_AUTOCONF;
+
+		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+		if (res == NULL) {
+			dev_err(&pdev->dev, "Cannot get IORESOURCE_MEM\n");
+			ret = -ENOENT;
+			goto out_error_free_peripherals;
+		}
+
+		sport->port.membase = ioremap(res->start,
+			res->end - res->start);
+		if (!sport->port.membase) {
+			dev_err(&pdev->dev, "Cannot map sport IO\n");
+			ret = -ENXIO;
+			goto out_error_free_peripherals;
+		}
+
+		sport->port.irq = platform_get_irq(pdev, 0);
+		if (sport->port.irq < 0) {
+			dev_err(&pdev->dev, "No sport RX/TX IRQ specified\n");
+			ret = -ENOENT;
+			goto out_error_unmap;
+		}
+
+		sport->err_irq = platform_get_irq(pdev, 1);
+		if (sport->err_irq < 0) {
+			dev_err(&pdev->dev, "No sport status IRQ specified\n");
+			ret = -ENOENT;
+			goto out_error_unmap;
+		}
+	}
+
+#ifdef CONFIG_SERIAL_BFIN_SPORT_CONSOLE
+	if (!is_early_platform_device(pdev)) {
+#endif
+		sport = bfin_sport_uart_ports[pdev->id];
+		sport->port.dev = &pdev->dev;
+		dev_set_drvdata(&pdev->dev, sport);
+		ret = uart_add_one_port(&sport_uart_reg, &sport->port);
+#ifdef CONFIG_SERIAL_BFIN_SPORT_CONSOLE
+	}
+#endif
+	if (!ret)
+		return 0;
+
+	if (sport) {
+out_error_unmap:
+		iounmap(sport->port.membase);
+out_error_free_peripherals:
+		peripheral_free_list(
+			(unsigned short *)pdev->dev.platform_data);
+out_error_free_mem:
+		kfree(sport);
+		bfin_sport_uart_ports[pdev->id] = NULL;
+	}
+
+	return ret;
 }
 
-static int sport_uart_remove(struct platform_device *dev)
+static int __devexit sport_uart_remove(struct platform_device *pdev)
 {
-	struct sport_uart_port *sport = platform_get_drvdata(dev);
+	struct sport_uart_port *sport = platform_get_drvdata(pdev);
 
-	pr_debug("%s enter\n", __func__);
-	platform_set_drvdata(dev, NULL);
+	dev_dbg(&pdev->dev, "%s enter\n", __func__);
+	dev_set_drvdata(&pdev->dev, NULL);
 
-	if (sport)
+	if (sport) {
 		uart_remove_one_port(&sport_uart_reg, &sport->port);
+		iounmap(sport->port.membase);
+		peripheral_free_list(
+			(unsigned short *)pdev->dev.platform_data);
+		kfree(sport);
+		bfin_sport_uart_ports[pdev->id] = NULL;
+	}
 
 	return 0;
 }
 
 static struct platform_driver sport_uart_driver = {
 	.probe		= sport_uart_probe,
-	.remove		= sport_uart_remove,
-	.suspend	= sport_uart_suspend,
-	.resume		= sport_uart_resume,
+	.remove		= __devexit_p(sport_uart_remove),
 	.driver		= {
 		.name	= DRV_NAME,
+#ifdef CONFIG_PM
+		.pm	= &bfin_sport_uart_dev_pm_ops,
+#endif
 	},
 };
 
+#ifdef CONFIG_SERIAL_BFIN_SPORT_CONSOLE
+static __initdata struct early_platform_driver early_sport_uart_driver = {
+	.class_str = DRV_NAME,
+	.pdrv = &sport_uart_driver,
+	.requested_id = EARLY_PLATFORM_ID_UNSET,
+};
+
+static int __init sport_uart_rs_console_init(void)
+{
+	early_platform_driver_register(&early_sport_uart_driver, DRV_NAME);
+
+	early_platform_driver_probe(DRV_NAME, BFIN_SPORT_UART_MAX_PORTS, 0);
+
+	register_console(&sport_uart_console);
+
+	return 0;
+}
+console_initcall(sport_uart_rs_console_init);
+#endif
+
 static int __init sport_uart_init(void)
 {
 	int ret;
 
-	pr_debug("%s enter\n", __func__);
+	pr_info("Serial: Blackfin uart over sport driver\n");
+
 	ret = uart_register_driver(&sport_uart_reg);
-	if (ret != 0) {
-		printk(KERN_ERR "Failed to register %s:%d\n",
+	if (ret) {
+		pr_err("failed to register %s:%d\n",
 				sport_uart_reg.driver_name, ret);
 		return ret;
 	}
 
 	ret = platform_driver_register(&sport_uart_driver);
-	if (ret != 0) {
-		printk(KERN_ERR "Failed to register sport uart driver:%d\n", ret);
+	if (ret) {
+		pr_err("failed to register sport uart driver:%d\n", ret);
 		uart_unregister_driver(&sport_uart_reg);
 	}
 
-
-	pr_debug("%s exit\n", __func__);
 	return ret;
 }
+module_init(sport_uart_init);
 
 static void __exit sport_uart_exit(void)
 {
-	pr_debug("%s enter\n", __func__);
 	platform_driver_unregister(&sport_uart_driver);
 	uart_unregister_driver(&sport_uart_reg);
 }
-
-module_init(sport_uart_init);
 module_exit(sport_uart_exit);
 
+MODULE_AUTHOR("Sonic Zhang, Roy Huang");
+MODULE_DESCRIPTION("Blackfin serial over SPORT driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/serial/bfin_sport_uart.h b/drivers/serial/bfin_sport_uart.h
index 671d41cc1a3f..abe03614e4df 100644
--- a/drivers/serial/bfin_sport_uart.h
+++ b/drivers/serial/bfin_sport_uart.h
@@ -1,29 +1,23 @@
 /*
- * File:	linux/drivers/serial/bfin_sport_uart.h
+ * Blackfin On-Chip Sport Emulated UART Driver
  *
- * Based on:	include/asm-blackfin/mach-533/bfin_serial_5xx.h
- * Author:	Roy Huang <roy.huang>analog.com>
+ * Copyright 2006-2008 Analog Devices Inc.
  *
- * Created:	Nov 22, 2006
- * Copyright:	(C) Analog Device Inc.
- * Description: this driver enable SPORTs on Blackfin emulate UART.
+ * Enter bugs at http://blackfin.uclinux.org/
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, see the file COPYING, or write
- * to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ * Licensed under the GPL-2 or later.
  */
 
+/*
+ * This driver and the hardware supported are in term of EE-191 of ADI.
+ * http://www.analog.com/UploadedFiles/Application_Notes/399447663EE191.pdf
+ * This application note describe how to implement a UART on a Sharc DSP,
+ * but this driver is implemented on Blackfin Processor.
+ * Transmit Frame Sync is not used by this driver to transfer data out.
+ */
+
+#ifndef _BFIN_SPORT_UART_H
+#define _BFIN_SPORT_UART_H
 
 #define OFFSET_TCR1		0x00	/* Transmit Configuration 1 Register */
 #define OFFSET_TCR2		0x04	/* Transmit Configuration 2 Register */
@@ -61,3 +55,7 @@
 #define SPORT_PUT_RCLKDIV(sport, v)	bfin_write16(((sport)->port.membase + OFFSET_RCLKDIV), v)
 #define SPORT_PUT_RFSDIV(sport, v)	bfin_write16(((sport)->port.membase + OFFSET_RFSDIV), v)
 #define SPORT_PUT_STAT(sport, v)	bfin_write16(((sport)->port.membase + OFFSET_STAT), v)
+
+#define SPORT_TX_FIFO_SIZE	8
+
+#endif /* _BFIN_SPORT_UART_H */
diff --git a/drivers/serial/cpm_uart/cpm_uart_cpm2.c b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
index a9802e76b5fa..722eac18f382 100644
--- a/drivers/serial/cpm_uart/cpm_uart_cpm2.c
+++ b/drivers/serial/cpm_uart/cpm_uart_cpm2.c
@@ -61,7 +61,7 @@ void __iomem *cpm_uart_map_pram(struct uart_cpm_port *port,
 	void __iomem *pram;
 	unsigned long offset;
 	struct resource res;
-	unsigned long len;
+	resource_size_t len;
 
 	/* Don't remap parameter RAM if it has already been initialized
 	 * during console setup.
@@ -74,7 +74,7 @@ void __iomem *cpm_uart_map_pram(struct uart_cpm_port *port,
 	if (of_address_to_resource(np, 1, &res))
 		return NULL;
 
-	len = 1 + res.end - res.start;
+	len = resource_size(&res);
 	pram = ioremap(res.start, len);
 	if (!pram)
 		return NULL;
diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c
index 0028b6f89ce6..53a468227056 100644
--- a/drivers/serial/icom.c
+++ b/drivers/serial/icom.c
@@ -751,7 +751,6 @@ static void recv_interrupt(u16 port_int_reg, struct icom_port *icom_port)
 		trace(icom_port, "FID_STATUS", status);
 		count = cpu_to_le16(icom_port->statStg->rcv[rcv_buff].leLength);
 
-                count = tty_buffer_request_room(tty, count);
 		trace(icom_port, "RCV_COUNT", count);
 
 		trace(icom_port, "REAL_COUNT", count);
@@ -1654,4 +1653,6 @@ MODULE_DESCRIPTION("IBM iSeries Serial IOA driver");
 MODULE_SUPPORTED_DEVICE
     ("IBM iSeries 2745, 2771, 2772, 2742, 2793 and 2805 Communications adapters");
 MODULE_LICENSE("GPL");
-
+MODULE_FIRMWARE("icom_call_setup.bin");
+MODULE_FIRMWARE("icom_res_dce.bin");
+MODULE_FIRMWARE("icom_asc.bin");
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 60d665a17a88..e579d7a1807a 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -440,7 +440,7 @@ static irqreturn_t imx_rxint(int irq, void *dev_id)
 
 		temp = readl(sport->port.membase + USR2);
 		if (temp & USR2_BRCD) {
-			writel(temp | USR2_BRCD, sport->port.membase + USR2);
+			writel(USR2_BRCD, sport->port.membase + USR2);
 			if (uart_handle_break(&sport->port))
 				continue;
 		}
@@ -1279,7 +1279,7 @@ static int serial_imx_probe(struct platform_device *pdev)
 		sport->use_irda = 1;
 #endif
 
-	if (pdata->init) {
+	if (pdata && pdata->init) {
 		ret = pdata->init(pdev);
 		if (ret)
 			goto clkput;
@@ -1292,7 +1292,7 @@ static int serial_imx_probe(struct platform_device *pdev)
 
 	return 0;
 deinit:
-	if (pdata->exit)
+	if (pdata && pdata->exit)
 		pdata->exit(pdev);
 clkput:
 	clk_put(sport->clk);
@@ -1321,7 +1321,7 @@ static int serial_imx_remove(struct platform_device *pdev)
 
 	clk_disable(sport->clk);
 
-	if (pdata->exit)
+	if (pdata && pdata->exit)
 		pdata->exit(pdev);
 
 	iounmap(sport->port.membase);
diff --git a/drivers/serial/ioc3_serial.c b/drivers/serial/ioc3_serial.c
index 85dc0410ac1a..23ba6b40b3ac 100644
--- a/drivers/serial/ioc3_serial.c
+++ b/drivers/serial/ioc3_serial.c
@@ -1411,8 +1411,7 @@ static int receive_chars(struct uart_port *the_port)
 	read_count = do_read(the_port, ch, MAX_CHARS);
 	if (read_count > 0) {
 		flip = 1;
-		read_room = tty_buffer_request_room(tty, read_count);
-		tty_insert_flip_string(tty, ch, read_room);
+		read_room = tty_insert_flip_string(tty, ch, read_count);
 		the_port->icount.rx += read_count;
 	}
 	spin_unlock_irqrestore(&the_port->lock, pflags);
diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c
index 108c3e0471fd..12cb5e446a4f 100644
--- a/drivers/serial/jsm/jsm_driver.c
+++ b/drivers/serial/jsm/jsm_driver.c
@@ -179,6 +179,7 @@ static int __devinit jsm_probe_one(struct pci_dev *pdev, const struct pci_device
 
 	return 0;
  out_free_irq:
+	jsm_remove_uart_port(brd);
 	free_irq(brd->irq, brd);
  out_iounmap:
 	iounmap(brd->re_map_membase);
diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c
index cd95e215550d..5673ca9dfdc8 100644
--- a/drivers/serial/jsm/jsm_tty.c
+++ b/drivers/serial/jsm/jsm_tty.c
@@ -432,7 +432,7 @@ int __devinit jsm_tty_init(struct jsm_board *brd)
 
 int jsm_uart_port_init(struct jsm_board *brd)
 {
-	int i;
+	int i, rc;
 	unsigned int line;
 	struct jsm_channel *ch;
 
@@ -467,8 +467,11 @@ int jsm_uart_port_init(struct jsm_board *brd)
 		} else
 			set_bit(line, linemap);
 		brd->channels[i]->uart_port.line = line;
-		if (uart_add_one_port (&jsm_uart_driver, &brd->channels[i]->uart_port))
-			printk(KERN_INFO "jsm: add device failed\n");
+		rc = uart_add_one_port (&jsm_uart_driver, &brd->channels[i]->uart_port);
+		if (rc){
+			printk(KERN_INFO "jsm: Port %d failed. Aborting...\n", i);
+			return rc;
+		}
 		else
 			printk(KERN_INFO "jsm: Port %d added\n", i);
 	}
diff --git a/drivers/serial/msm_serial.c b/drivers/serial/msm_serial.c
index b05c5aa02cb4..ecdc0facf7ee 100644
--- a/drivers/serial/msm_serial.c
+++ b/drivers/serial/msm_serial.c
@@ -691,6 +691,7 @@ static int __init msm_serial_probe(struct platform_device *pdev)
 	struct msm_port *msm_port;
 	struct resource *resource;
 	struct uart_port *port;
+	int irq;
 
 	if (unlikely(pdev->id < 0 || pdev->id >= UART_NR))
 		return -ENXIO;
@@ -711,9 +712,10 @@ static int __init msm_serial_probe(struct platform_device *pdev)
 		return -ENXIO;
 	port->mapbase = resource->start;
 
-	port->irq = platform_get_irq(pdev, 0);
-	if (unlikely(port->irq < 0))
+	irq = platform_get_irq(pdev, 0);
+	if (unlikely(irq < 0))
 		return -ENXIO;
+	port->irq = irq;
 
 	platform_set_drvdata(pdev, port);
 
diff --git a/drivers/serial/s3c2412.c b/drivers/serial/s3c2412.c
index ce75e28e36ef..1700b1a2fb7e 100644
--- a/drivers/serial/s3c2412.c
+++ b/drivers/serial/s3c2412.c
@@ -102,6 +102,7 @@ static struct s3c24xx_uart_info s3c2412_uart_inf = {
 	.name		= "Samsung S3C2412 UART",
 	.type		= PORT_S3C2412,
 	.fifosize	= 64,
+	.has_divslot	= 1,
 	.rx_fifomask	= S3C2440_UFSTAT_RXMASK,
 	.rx_fifoshift	= S3C2440_UFSTAT_RXSHIFT,
 	.rx_fifofull	= S3C2440_UFSTAT_RXFULL,
diff --git a/drivers/serial/s5pv210.c b/drivers/serial/s5pv210.c
new file mode 100644
index 000000000000..8dc03837617b
--- /dev/null
+++ b/drivers/serial/s5pv210.c
@@ -0,0 +1,154 @@
+/* linux/drivers/serial/s5pv210.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com/
+ *
+ * Based on drivers/serial/s3c6400.c
+ *
+ * Driver for Samsung S5PV210 SoC UARTs.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/module.h>
+#include <linux/ioport.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/init.h>
+#include <linux/serial_core.h>
+#include <linux/serial.h>
+
+#include <asm/irq.h>
+#include <mach/hardware.h>
+#include <plat/regs-serial.h>
+#include "samsung.h"
+
+static int s5pv210_serial_setsource(struct uart_port *port,
+					struct s3c24xx_uart_clksrc *clk)
+{
+	unsigned long ucon = rd_regl(port, S3C2410_UCON);
+
+	if (strcmp(clk->name, "pclk") == 0)
+		ucon &= ~S5PV210_UCON_CLKMASK;
+	else if (strcmp(clk->name, "uclk1") == 0)
+		ucon |= S5PV210_UCON_CLKMASK;
+	else {
+		printk(KERN_ERR "unknown clock source %s\n", clk->name);
+		return -EINVAL;
+	}
+
+	wr_regl(port, S3C2410_UCON, ucon);
+	return 0;
+}
+
+
+static int s5pv210_serial_getsource(struct uart_port *port,
+					struct s3c24xx_uart_clksrc *clk)
+{
+	u32 ucon = rd_regl(port, S3C2410_UCON);
+
+	clk->divisor = 1;
+
+	switch (ucon & S5PV210_UCON_CLKMASK) {
+	case S5PV210_UCON_PCLK:
+		clk->name = "pclk";
+		break;
+	case S5PV210_UCON_UCLK:
+		clk->name = "uclk1";
+		break;
+	}
+
+	return 0;
+}
+
+static int s5pv210_serial_resetport(struct uart_port *port,
+					struct s3c2410_uartcfg *cfg)
+{
+	unsigned long ucon = rd_regl(port, S3C2410_UCON);
+
+	ucon &= S5PV210_UCON_CLKMASK;
+	wr_regl(port, S3C2410_UCON,  ucon | cfg->ucon);
+	wr_regl(port, S3C2410_ULCON, cfg->ulcon);
+
+	/* reset both fifos */
+	wr_regl(port, S3C2410_UFCON, cfg->ufcon | S3C2410_UFCON_RESETBOTH);
+	wr_regl(port, S3C2410_UFCON, cfg->ufcon);
+
+	return 0;
+}
+
+#define S5PV210_UART_DEFAULT_INFO(fifo_size)			\
+		.name		= "Samsung S5PV210 UART0",	\
+		.type		= PORT_S3C6400,			\
+		.fifosize	= fifo_size,			\
+		.has_divslot	= 1,				\
+		.rx_fifomask	= S5PV210_UFSTAT_RXMASK,	\
+		.rx_fifoshift	= S5PV210_UFSTAT_RXSHIFT,	\
+		.rx_fifofull	= S5PV210_UFSTAT_RXFULL,	\
+		.tx_fifofull	= S5PV210_UFSTAT_TXFULL,	\
+		.tx_fifomask	= S5PV210_UFSTAT_TXMASK,	\
+		.tx_fifoshift	= S5PV210_UFSTAT_TXSHIFT,	\
+		.get_clksrc	= s5pv210_serial_getsource,	\
+		.set_clksrc	= s5pv210_serial_setsource,	\
+		.reset_port	= s5pv210_serial_resetport
+
+static struct s3c24xx_uart_info s5p_port_fifo256 = {
+	S5PV210_UART_DEFAULT_INFO(256),
+};
+
+static struct s3c24xx_uart_info s5p_port_fifo64 = {
+	S5PV210_UART_DEFAULT_INFO(64),
+};
+
+static struct s3c24xx_uart_info s5p_port_fifo16 = {
+	S5PV210_UART_DEFAULT_INFO(16),
+};
+
+static struct s3c24xx_uart_info *s5p_uart_inf[] = {
+	[0] = &s5p_port_fifo256,
+	[1] = &s5p_port_fifo64,
+	[2] = &s5p_port_fifo16,
+	[3] = &s5p_port_fifo16,
+};
+
+/* device management */
+static int s5p_serial_probe(struct platform_device *pdev)
+{
+	return s3c24xx_serial_probe(pdev, s5p_uart_inf[pdev->id]);
+}
+
+static struct platform_driver s5p_serial_drv = {
+	.probe		= s5p_serial_probe,
+	.remove		= __devexit_p(s3c24xx_serial_remove),
+	.driver		= {
+		.name	= "s5pv210-uart",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init s5pv210_serial_console_init(void)
+{
+	return s3c24xx_serial_initconsole(&s5p_serial_drv, s5p_uart_inf);
+}
+
+console_initcall(s5pv210_serial_console_init);
+
+static int __init s5p_serial_init(void)
+{
+	return s3c24xx_serial_init(&s5p_serial_drv, *s5p_uart_inf);
+}
+
+static void __exit s5p_serial_exit(void)
+{
+	platform_driver_unregister(&s5p_serial_drv);
+}
+
+module_init(s5p_serial_init);
+module_exit(s5p_serial_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:s5pv210-uart");
+MODULE_DESCRIPTION("Samsung S5PV210 UART Driver support");
+MODULE_AUTHOR("Thomas Abraham <thomas.ab@samsung.com>");
diff --git a/drivers/serial/samsung.c b/drivers/serial/samsung.c
index 52e3df113ec0..a9d6c5626a0a 100644
--- a/drivers/serial/samsung.c
+++ b/drivers/serial/samsung.c
@@ -1271,7 +1271,7 @@ s3c24xx_serial_console_txrdy(struct uart_port *port, unsigned int ufcon)
 	unsigned long ufstat, utrstat;
 
 	if (ufcon & S3C2410_UFCON_FIFOMODE) {
-		/* fifo mode - check ammount of data in fifo registers... */
+		/* fifo mode - check amount of data in fifo registers... */
 
 		ufstat = rd_regl(port, S3C2410_UFSTAT);
 		return (ufstat & info->tx_fifofull) ? 0 : 1;
@@ -1374,7 +1374,7 @@ s3c24xx_serial_get_options(struct uart_port *port, int *baud,
  * data.
 */
 
-static int s3c24xx_serial_init_ports(struct s3c24xx_uart_info *info)
+static int s3c24xx_serial_init_ports(struct s3c24xx_uart_info **info)
 {
 	struct s3c24xx_uart_port *ptr = s3c24xx_serial_ports;
 	struct platform_device **platdev_ptr;
@@ -1385,7 +1385,7 @@ static int s3c24xx_serial_init_ports(struct s3c24xx_uart_info *info)
 	platdev_ptr = s3c24xx_uart_devs;
 
 	for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++, ptr++, platdev_ptr++) {
-		s3c24xx_serial_init_port(ptr, info, *platdev_ptr);
+		s3c24xx_serial_init_port(ptr, info[i], *platdev_ptr);
 	}
 
 	return 0;
@@ -1451,7 +1451,7 @@ static struct console s3c24xx_serial_console = {
 };
 
 int s3c24xx_serial_initconsole(struct platform_driver *drv,
-			       struct s3c24xx_uart_info *info)
+			       struct s3c24xx_uart_info **info)
 
 {
 	struct platform_device *dev = s3c24xx_uart_devs[0];
diff --git a/drivers/serial/samsung.h b/drivers/serial/samsung.h
index 1fb22343df42..0ac06a07d25f 100644
--- a/drivers/serial/samsung.h
+++ b/drivers/serial/samsung.h
@@ -75,19 +75,24 @@ extern int s3c24xx_serial_probe(struct platform_device *dev,
 extern int __devexit s3c24xx_serial_remove(struct platform_device *dev);
 
 extern int s3c24xx_serial_initconsole(struct platform_driver *drv,
-				      struct s3c24xx_uart_info *uart);
+				      struct s3c24xx_uart_info **uart);
 
 extern int s3c24xx_serial_init(struct platform_driver *drv,
 			       struct s3c24xx_uart_info *info);
 
 #ifdef CONFIG_SERIAL_SAMSUNG_CONSOLE
 
-#define s3c24xx_console_init(__drv, __inf)			\
-static int __init s3c_serial_console_init(void)			\
-{								\
-	return s3c24xx_serial_initconsole(__drv, __inf);	\
-}								\
-								\
+#define s3c24xx_console_init(__drv, __inf)				\
+static int __init s3c_serial_console_init(void)				\
+{									\
+	struct s3c24xx_uart_info *uinfo[CONFIG_SERIAL_SAMSUNG_UARTS];	\
+	int i;								\
+									\
+	for (i = 0; i < CONFIG_SERIAL_SAMSUNG_UARTS; i++)		\
+		uinfo[i] = __inf;					\
+	return s3c24xx_serial_initconsole(__drv, uinfo);		\
+}									\
+									\
 console_initcall(s3c_serial_console_init)
 
 #else
diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c
index e91db4b38012..175d202ab37e 100644
--- a/drivers/serial/serial_cs.c
+++ b/drivers/serial/serial_cs.c
@@ -745,6 +745,7 @@ static struct pcmcia_device_id serial_ids[] = {
 	PCMCIA_PFC_DEVICE_PROD_ID13(1, "Xircom", "REM10", 0x2e3ee845, 0x76df1d29),
 	PCMCIA_PFC_DEVICE_PROD_ID13(1, "Xircom", "XEM5600", 0x2e3ee845, 0xf1403719),
 	PCMCIA_PFC_DEVICE_PROD_ID12(1, "AnyCom", "Fast Ethernet + 56K COMBO", 0x578ba6e7, 0xb0ac62c4),
+	PCMCIA_PFC_DEVICE_PROD_ID12(1, "ATKK", "LM33-PCM-T", 0xba9eb7e2, 0x077c174e),
 	PCMCIA_PFC_DEVICE_PROD_ID12(1, "D-Link", "DME336T", 0x1a424a1c, 0xb23897ff),
 	PCMCIA_PFC_DEVICE_PROD_ID12(1, "Gateway 2000", "XJEM3336", 0xdd9989be, 0x662c394c),
 	PCMCIA_PFC_DEVICE_PROD_ID12(1, "Grey Cell", "GCS3000", 0x2a151fac, 0x48b932ae),
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 42f3333c4ad0..309de6be8204 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -48,6 +48,8 @@
 #include <linux/ctype.h>
 #include <linux/err.h>
 #include <linux/list.h>
+#include <linux/dmaengine.h>
+#include <linux/scatterlist.h>
 
 #ifdef CONFIG_SUPERH
 #include <asm/sh_bios.h>
@@ -84,6 +86,27 @@ struct sci_port {
 	struct clk		*dclk;
 
 	struct list_head	node;
+	struct dma_chan			*chan_tx;
+	struct dma_chan			*chan_rx;
+#ifdef CONFIG_SERIAL_SH_SCI_DMA
+	struct device			*dma_dev;
+	enum sh_dmae_slave_chan_id	slave_tx;
+	enum sh_dmae_slave_chan_id	slave_rx;
+	struct dma_async_tx_descriptor	*desc_tx;
+	struct dma_async_tx_descriptor	*desc_rx[2];
+	dma_cookie_t			cookie_tx;
+	dma_cookie_t			cookie_rx[2];
+	dma_cookie_t			active_rx;
+	struct scatterlist		sg_tx;
+	unsigned int			sg_len_tx;
+	struct scatterlist		sg_rx[2];
+	size_t				buf_len_rx;
+	struct sh_dmae_slave		param_tx;
+	struct sh_dmae_slave		param_rx;
+	struct work_struct		work_tx;
+	struct work_struct		work_rx;
+	struct timer_list		rx_timer;
+#endif
 };
 
 struct sh_sci_priv {
@@ -269,29 +292,44 @@ static inline void sci_init_pins(struct uart_port *port, unsigned int cflag)
     defined(CONFIG_CPU_SUBTYPE_SH7780) || \
     defined(CONFIG_CPU_SUBTYPE_SH7785) || \
     defined(CONFIG_CPU_SUBTYPE_SH7786)
-static inline int scif_txroom(struct uart_port *port)
+static int scif_txfill(struct uart_port *port)
+{
+	return sci_in(port, SCTFDR) & 0xff;
+}
+
+static int scif_txroom(struct uart_port *port)
 {
-	return SCIF_TXROOM_MAX - (sci_in(port, SCTFDR) & 0xff);
+	return SCIF_TXROOM_MAX - scif_txfill(port);
 }
 
-static inline int scif_rxroom(struct uart_port *port)
+static int scif_rxfill(struct uart_port *port)
 {
 	return sci_in(port, SCRFDR) & 0xff;
 }
 #elif defined(CONFIG_CPU_SUBTYPE_SH7763)
-static inline int scif_txroom(struct uart_port *port)
+static int scif_txfill(struct uart_port *port)
 {
-	if ((port->mapbase == 0xffe00000) ||
-	    (port->mapbase == 0xffe08000)) {
+	if (port->mapbase == 0xffe00000 ||
+	    port->mapbase == 0xffe08000)
 		/* SCIF0/1*/
-		return SCIF_TXROOM_MAX - (sci_in(port, SCTFDR) & 0xff);
-	} else {
+		return sci_in(port, SCTFDR) & 0xff;
+	else
 		/* SCIF2 */
-		return SCIF2_TXROOM_MAX - (sci_in(port, SCFDR) >> 8);
-	}
+		return sci_in(port, SCFDR) >> 8;
 }
 
-static inline int scif_rxroom(struct uart_port *port)
+static int scif_txroom(struct uart_port *port)
+{
+	if (port->mapbase == 0xffe00000 ||
+	    port->mapbase == 0xffe08000)
+		/* SCIF0/1*/
+		return SCIF_TXROOM_MAX - scif_txfill(port);
+	else
+		/* SCIF2 */
+		return SCIF2_TXROOM_MAX - scif_txfill(port);
+}
+
+static int scif_rxfill(struct uart_port *port)
 {
 	if ((port->mapbase == 0xffe00000) ||
 	    (port->mapbase == 0xffe08000)) {
@@ -303,23 +341,33 @@ static inline int scif_rxroom(struct uart_port *port)
 	}
 }
 #else
-static inline int scif_txroom(struct uart_port *port)
+static int scif_txfill(struct uart_port *port)
+{
+	return sci_in(port, SCFDR) >> 8;
+}
+
+static int scif_txroom(struct uart_port *port)
 {
-	return SCIF_TXROOM_MAX - (sci_in(port, SCFDR) >> 8);
+	return SCIF_TXROOM_MAX - scif_txfill(port);
 }
 
-static inline int scif_rxroom(struct uart_port *port)
+static int scif_rxfill(struct uart_port *port)
 {
 	return sci_in(port, SCFDR) & SCIF_RFDC_MASK;
 }
 #endif
 
-static inline int sci_txroom(struct uart_port *port)
+static int sci_txfill(struct uart_port *port)
+{
+	return !(sci_in(port, SCxSR) & SCI_TDRE);
+}
+
+static int sci_txroom(struct uart_port *port)
 {
-	return (sci_in(port, SCxSR) & SCI_TDRE) != 0;
+	return !sci_txfill(port);
 }
 
-static inline int sci_rxroom(struct uart_port *port)
+static int sci_rxfill(struct uart_port *port)
 {
 	return (sci_in(port, SCxSR) & SCxSR_RDxF(port)) != 0;
 }
@@ -406,9 +454,9 @@ static inline void sci_receive_chars(struct uart_port *port)
 
 	while (1) {
 		if (port->type == PORT_SCI)
-			count = sci_rxroom(port);
+			count = sci_rxfill(port);
 		else
-			count = scif_rxroom(port);
+			count = scif_rxfill(port);
 
 		/* Don't copy more bytes than there is room for in the buffer */
 		count = tty_buffer_request_room(tty, count);
@@ -453,10 +501,10 @@ static inline void sci_receive_chars(struct uart_port *port)
 				}
 
 				/* Store data and status */
-				if (status&SCxSR_FER(port)) {
+				if (status & SCxSR_FER(port)) {
 					flag = TTY_FRAME;
 					dev_notice(port->dev, "frame error\n");
-				} else if (status&SCxSR_PER(port)) {
+				} else if (status & SCxSR_PER(port)) {
 					flag = TTY_PARITY;
 					dev_notice(port->dev, "parity error\n");
 				} else
@@ -618,13 +666,39 @@ static inline int sci_handle_breaks(struct uart_port *port)
 	return copied;
 }
 
-static irqreturn_t sci_rx_interrupt(int irq, void *port)
+static irqreturn_t sci_rx_interrupt(int irq, void *ptr)
 {
+#ifdef CONFIG_SERIAL_SH_SCI_DMA
+	struct uart_port *port = ptr;
+	struct sci_port *s = to_sci_port(port);
+
+	if (s->chan_rx) {
+		unsigned long tout;
+		u16 scr = sci_in(port, SCSCR);
+		u16 ssr = sci_in(port, SCxSR);
+
+		/* Disable future Rx interrupts */
+		sci_out(port, SCSCR, scr & ~SCI_CTRL_FLAGS_RIE);
+		/* Clear current interrupt */
+		sci_out(port, SCxSR, ssr & ~(1 | SCxSR_RDxF(port)));
+		/* Calculate delay for 1.5 DMA buffers */
+		tout = (port->timeout - HZ / 50) * s->buf_len_rx * 3 /
+			port->fifosize / 2;
+		dev_dbg(port->dev, "Rx IRQ: setup timeout in %lu ms\n",
+			tout * 1000 / HZ);
+		if (tout < 2)
+			tout = 2;
+		mod_timer(&s->rx_timer, jiffies + tout);
+
+		return IRQ_HANDLED;
+	}
+#endif
+
 	/* I think sci_receive_chars has to be called irrespective
 	 * of whether the I_IXOFF is set, otherwise, how is the interrupt
 	 * to be disabled?
 	 */
-	sci_receive_chars(port);
+	sci_receive_chars(ptr);
 
 	return IRQ_HANDLED;
 }
@@ -680,6 +754,7 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
 {
 	unsigned short ssr_status, scr_status, err_enabled;
 	struct uart_port *port = ptr;
+	struct sci_port *s = to_sci_port(port);
 	irqreturn_t ret = IRQ_NONE;
 
 	ssr_status = sci_in(port, SCxSR);
@@ -687,10 +762,15 @@ static irqreturn_t sci_mpxed_interrupt(int irq, void *ptr)
 	err_enabled = scr_status & (SCI_CTRL_FLAGS_REIE | SCI_CTRL_FLAGS_RIE);
 
 	/* Tx Interrupt */
-	if ((ssr_status & SCxSR_TDxE(port)) && (scr_status & SCI_CTRL_FLAGS_TIE))
+	if ((ssr_status & SCxSR_TDxE(port)) && (scr_status & SCI_CTRL_FLAGS_TIE) &&
+	    !s->chan_tx)
 		ret = sci_tx_interrupt(irq, ptr);
-	/* Rx Interrupt */
-	if ((ssr_status & SCxSR_RDxF(port)) && (scr_status & SCI_CTRL_FLAGS_RIE))
+	/*
+	 * Rx Interrupt: if we're using DMA, the DMA controller clears RDF /
+	 * DR flags
+	 */
+	if (((ssr_status & SCxSR_RDxF(port)) || s->chan_rx) &&
+	    (scr_status & SCI_CTRL_FLAGS_RIE))
 		ret = sci_rx_interrupt(irq, ptr);
 	/* Error Interrupt */
 	if ((ssr_status & SCxSR_ERRORS(port)) && err_enabled)
@@ -800,7 +880,9 @@ static void sci_free_irq(struct sci_port *port)
 static unsigned int sci_tx_empty(struct uart_port *port)
 {
 	unsigned short status = sci_in(port, SCxSR);
-	return status & SCxSR_TEND(port) ? TIOCSER_TEMT : 0;
+	unsigned short in_tx_fifo = scif_txfill(port);
+
+	return (status & SCxSR_TEND(port)) && !in_tx_fifo ? TIOCSER_TEMT : 0;
 }
 
 static void sci_set_mctrl(struct uart_port *port, unsigned int mctrl)
@@ -812,16 +894,297 @@ static void sci_set_mctrl(struct uart_port *port, unsigned int mctrl)
 
 static unsigned int sci_get_mctrl(struct uart_port *port)
 {
-	/* This routine is used for geting signals of: DTR, DCD, DSR, RI,
+	/* This routine is used for getting signals of: DTR, DCD, DSR, RI,
 	   and CTS/RTS */
 
 	return TIOCM_DTR | TIOCM_RTS | TIOCM_DSR;
 }
 
+#ifdef CONFIG_SERIAL_SH_SCI_DMA
+static void sci_dma_tx_complete(void *arg)
+{
+	struct sci_port *s = arg;
+	struct uart_port *port = &s->port;
+	struct circ_buf *xmit = &port->state->xmit;
+	unsigned long flags;
+
+	dev_dbg(port->dev, "%s(%d)\n", __func__, port->line);
+
+	spin_lock_irqsave(&port->lock, flags);
+
+	xmit->tail += s->sg_tx.length;
+	xmit->tail &= UART_XMIT_SIZE - 1;
+
+	port->icount.tx += s->sg_tx.length;
+
+	async_tx_ack(s->desc_tx);
+	s->cookie_tx = -EINVAL;
+	s->desc_tx = NULL;
+
+	spin_unlock_irqrestore(&port->lock, flags);
+
+	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+		uart_write_wakeup(port);
+
+	if (uart_circ_chars_pending(xmit))
+		schedule_work(&s->work_tx);
+}
+
+/* Locking: called with port lock held */
+static int sci_dma_rx_push(struct sci_port *s, struct tty_struct *tty,
+			   size_t count)
+{
+	struct uart_port *port = &s->port;
+	int i, active, room;
+
+	room = tty_buffer_request_room(tty, count);
+
+	if (s->active_rx == s->cookie_rx[0]) {
+		active = 0;
+	} else if (s->active_rx == s->cookie_rx[1]) {
+		active = 1;
+	} else {
+		dev_err(port->dev, "cookie %d not found!\n", s->active_rx);
+		return 0;
+	}
+
+	if (room < count)
+		dev_warn(port->dev, "Rx overrun: dropping %u bytes\n",
+			 count - room);
+	if (!room)
+		return room;
+
+	for (i = 0; i < room; i++)
+		tty_insert_flip_char(tty, ((u8 *)sg_virt(&s->sg_rx[active]))[i],
+				     TTY_NORMAL);
+
+	port->icount.rx += room;
+
+	return room;
+}
+
+static void sci_dma_rx_complete(void *arg)
+{
+	struct sci_port *s = arg;
+	struct uart_port *port = &s->port;
+	struct tty_struct *tty = port->state->port.tty;
+	unsigned long flags;
+	int count;
+
+	dev_dbg(port->dev, "%s(%d)\n", __func__, port->line);
+
+	spin_lock_irqsave(&port->lock, flags);
+
+	count = sci_dma_rx_push(s, tty, s->buf_len_rx);
+
+	mod_timer(&s->rx_timer, jiffies + msecs_to_jiffies(5));
+
+	spin_unlock_irqrestore(&port->lock, flags);
+
+	if (count)
+		tty_flip_buffer_push(tty);
+
+	schedule_work(&s->work_rx);
+}
+
+static void sci_start_rx(struct uart_port *port);
+static void sci_start_tx(struct uart_port *port);
+
+static void sci_rx_dma_release(struct sci_port *s, bool enable_pio)
+{
+	struct dma_chan *chan = s->chan_rx;
+	struct uart_port *port = &s->port;
+
+	s->chan_rx = NULL;
+	s->cookie_rx[0] = s->cookie_rx[1] = -EINVAL;
+	dma_release_channel(chan);
+	dma_free_coherent(port->dev, s->buf_len_rx * 2,
+			  sg_virt(&s->sg_rx[0]), sg_dma_address(&s->sg_rx[0]));
+	if (enable_pio)
+		sci_start_rx(port);
+}
+
+static void sci_tx_dma_release(struct sci_port *s, bool enable_pio)
+{
+	struct dma_chan *chan = s->chan_tx;
+	struct uart_port *port = &s->port;
+
+	s->chan_tx = NULL;
+	s->cookie_tx = -EINVAL;
+	dma_release_channel(chan);
+	if (enable_pio)
+		sci_start_tx(port);
+}
+
+static void sci_submit_rx(struct sci_port *s)
+{
+	struct dma_chan *chan = s->chan_rx;
+	int i;
+
+	for (i = 0; i < 2; i++) {
+		struct scatterlist *sg = &s->sg_rx[i];
+		struct dma_async_tx_descriptor *desc;
+
+		desc = chan->device->device_prep_slave_sg(chan,
+			sg, 1, DMA_FROM_DEVICE, DMA_PREP_INTERRUPT);
+
+		if (desc) {
+			s->desc_rx[i] = desc;
+			desc->callback = sci_dma_rx_complete;
+			desc->callback_param = s;
+			s->cookie_rx[i] = desc->tx_submit(desc);
+		}
+
+		if (!desc || s->cookie_rx[i] < 0) {
+			if (i) {
+				async_tx_ack(s->desc_rx[0]);
+				s->cookie_rx[0] = -EINVAL;
+			}
+			if (desc) {
+				async_tx_ack(desc);
+				s->cookie_rx[i] = -EINVAL;
+			}
+			dev_warn(s->port.dev,
+				 "failed to re-start DMA, using PIO\n");
+			sci_rx_dma_release(s, true);
+			return;
+		}
+	}
+
+	s->active_rx = s->cookie_rx[0];
+
+	dma_async_issue_pending(chan);
+}
+
+static void work_fn_rx(struct work_struct *work)
+{
+	struct sci_port *s = container_of(work, struct sci_port, work_rx);
+	struct uart_port *port = &s->port;
+	struct dma_async_tx_descriptor *desc;
+	int new;
+
+	if (s->active_rx == s->cookie_rx[0]) {
+		new = 0;
+	} else if (s->active_rx == s->cookie_rx[1]) {
+		new = 1;
+	} else {
+		dev_err(port->dev, "cookie %d not found!\n", s->active_rx);
+		return;
+	}
+	desc = s->desc_rx[new];
+
+	if (dma_async_is_tx_complete(s->chan_rx, s->active_rx, NULL, NULL) !=
+	    DMA_SUCCESS) {
+		/* Handle incomplete DMA receive */
+		struct tty_struct *tty = port->state->port.tty;
+		struct dma_chan *chan = s->chan_rx;
+		struct sh_desc *sh_desc = container_of(desc, struct sh_desc,
+						       async_tx);
+		unsigned long flags;
+		int count;
+
+		chan->device->device_terminate_all(chan);
+		dev_dbg(port->dev, "Read %u bytes with cookie %d\n",
+			sh_desc->partial, sh_desc->cookie);
+
+		spin_lock_irqsave(&port->lock, flags);
+		count = sci_dma_rx_push(s, tty, sh_desc->partial);
+		spin_unlock_irqrestore(&port->lock, flags);
+
+		if (count)
+			tty_flip_buffer_push(tty);
+
+		sci_submit_rx(s);
+
+		return;
+	}
+
+	s->cookie_rx[new] = desc->tx_submit(desc);
+	if (s->cookie_rx[new] < 0) {
+		dev_warn(port->dev, "Failed submitting Rx DMA descriptor\n");
+		sci_rx_dma_release(s, true);
+		return;
+	}
+
+	dev_dbg(port->dev, "%s: cookie %d #%d\n", __func__,
+		s->cookie_rx[new], new);
+
+	s->active_rx = s->cookie_rx[!new];
+}
+
+static void work_fn_tx(struct work_struct *work)
+{
+	struct sci_port *s = container_of(work, struct sci_port, work_tx);
+	struct dma_async_tx_descriptor *desc;
+	struct dma_chan *chan = s->chan_tx;
+	struct uart_port *port = &s->port;
+	struct circ_buf *xmit = &port->state->xmit;
+	struct scatterlist *sg = &s->sg_tx;
+
+	/*
+	 * DMA is idle now.
+	 * Port xmit buffer is already mapped, and it is one page... Just adjust
+	 * offsets and lengths. Since it is a circular buffer, we have to
+	 * transmit till the end, and then the rest. Take the port lock to get a
+	 * consistent xmit buffer state.
+	 */
+	spin_lock_irq(&port->lock);
+	sg->offset = xmit->tail & (UART_XMIT_SIZE - 1);
+	sg->dma_address = (sg_dma_address(sg) & ~(UART_XMIT_SIZE - 1)) +
+		sg->offset;
+	sg->length = min((int)CIRC_CNT(xmit->head, xmit->tail, UART_XMIT_SIZE),
+		CIRC_CNT_TO_END(xmit->head, xmit->tail, UART_XMIT_SIZE));
+	sg->dma_length = sg->length;
+	spin_unlock_irq(&port->lock);
+
+	BUG_ON(!sg->length);
+
+	desc = chan->device->device_prep_slave_sg(chan,
+			sg, s->sg_len_tx, DMA_TO_DEVICE,
+			DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+	if (!desc) {
+		/* switch to PIO */
+		sci_tx_dma_release(s, true);
+		return;
+	}
+
+	dma_sync_sg_for_device(port->dev, sg, 1, DMA_TO_DEVICE);
+
+	spin_lock_irq(&port->lock);
+	s->desc_tx = desc;
+	desc->callback = sci_dma_tx_complete;
+	desc->callback_param = s;
+	spin_unlock_irq(&port->lock);
+	s->cookie_tx = desc->tx_submit(desc);
+	if (s->cookie_tx < 0) {
+		dev_warn(port->dev, "Failed submitting Tx DMA descriptor\n");
+		/* switch to PIO */
+		sci_tx_dma_release(s, true);
+		return;
+	}
+
+	dev_dbg(port->dev, "%s: %p: %d...%d, cookie %d\n", __func__,
+		xmit->buf, xmit->tail, xmit->head, s->cookie_tx);
+
+	dma_async_issue_pending(chan);
+}
+#endif
+
 static void sci_start_tx(struct uart_port *port)
 {
 	unsigned short ctrl;
 
+#ifdef CONFIG_SERIAL_SH_SCI_DMA
+	struct sci_port *s = to_sci_port(port);
+
+	if (s->chan_tx) {
+		if (!uart_circ_empty(&s->port.state->xmit) && s->cookie_tx < 0)
+			schedule_work(&s->work_tx);
+
+		return;
+	}
+#endif
+
 	/* Set TIE (Transmit Interrupt Enable) bit in SCSCR */
 	ctrl = sci_in(port, SCSCR);
 	ctrl |= SCI_CTRL_FLAGS_TIE;
@@ -838,13 +1201,12 @@ static void sci_stop_tx(struct uart_port *port)
 	sci_out(port, SCSCR, ctrl);
 }
 
-static void sci_start_rx(struct uart_port *port, unsigned int tty_start)
+static void sci_start_rx(struct uart_port *port)
 {
-	unsigned short ctrl;
+	unsigned short ctrl = SCI_CTRL_FLAGS_RIE | SCI_CTRL_FLAGS_REIE;
 
 	/* Set RIE (Receive Interrupt Enable) bit in SCSCR */
-	ctrl = sci_in(port, SCSCR);
-	ctrl |= SCI_CTRL_FLAGS_RIE | SCI_CTRL_FLAGS_REIE;
+	ctrl |= sci_in(port, SCSCR);
 	sci_out(port, SCSCR, ctrl);
 }
 
@@ -868,16 +1230,154 @@ static void sci_break_ctl(struct uart_port *port, int break_state)
 	/* Nothing here yet .. */
 }
 
+#ifdef CONFIG_SERIAL_SH_SCI_DMA
+static bool filter(struct dma_chan *chan, void *slave)
+{
+	struct sh_dmae_slave *param = slave;
+
+	dev_dbg(chan->device->dev, "%s: slave ID %d\n", __func__,
+		param->slave_id);
+
+	if (param->dma_dev == chan->device->dev) {
+		chan->private = param;
+		return true;
+	} else {
+		return false;
+	}
+}
+
+static void rx_timer_fn(unsigned long arg)
+{
+	struct sci_port *s = (struct sci_port *)arg;
+	struct uart_port *port = &s->port;
+
+	u16 scr = sci_in(port, SCSCR);
+	sci_out(port, SCSCR, scr | SCI_CTRL_FLAGS_RIE);
+	dev_dbg(port->dev, "DMA Rx timed out\n");
+	schedule_work(&s->work_rx);
+}
+
+static void sci_request_dma(struct uart_port *port)
+{
+	struct sci_port *s = to_sci_port(port);
+	struct sh_dmae_slave *param;
+	struct dma_chan *chan;
+	dma_cap_mask_t mask;
+	int nent;
+
+	dev_dbg(port->dev, "%s: port %d DMA %p\n", __func__,
+		port->line, s->dma_dev);
+
+	if (!s->dma_dev)
+		return;
+
+	dma_cap_zero(mask);
+	dma_cap_set(DMA_SLAVE, mask);
+
+	param = &s->param_tx;
+
+	/* Slave ID, e.g., SHDMA_SLAVE_SCIF0_TX */
+	param->slave_id = s->slave_tx;
+	param->dma_dev = s->dma_dev;
+
+	s->cookie_tx = -EINVAL;
+	chan = dma_request_channel(mask, filter, param);
+	dev_dbg(port->dev, "%s: TX: got channel %p\n", __func__, chan);
+	if (chan) {
+		s->chan_tx = chan;
+		sg_init_table(&s->sg_tx, 1);
+		/* UART circular tx buffer is an aligned page. */
+		BUG_ON((int)port->state->xmit.buf & ~PAGE_MASK);
+		sg_set_page(&s->sg_tx, virt_to_page(port->state->xmit.buf),
+			    UART_XMIT_SIZE, (int)port->state->xmit.buf & ~PAGE_MASK);
+		nent = dma_map_sg(port->dev, &s->sg_tx, 1, DMA_TO_DEVICE);
+		if (!nent)
+			sci_tx_dma_release(s, false);
+		else
+			dev_dbg(port->dev, "%s: mapped %d@%p to %x\n", __func__,
+				sg_dma_len(&s->sg_tx),
+				port->state->xmit.buf, sg_dma_address(&s->sg_tx));
+
+		s->sg_len_tx = nent;
+
+		INIT_WORK(&s->work_tx, work_fn_tx);
+	}
+
+	param = &s->param_rx;
+
+	/* Slave ID, e.g., SHDMA_SLAVE_SCIF0_RX */
+	param->slave_id = s->slave_rx;
+	param->dma_dev = s->dma_dev;
+
+	chan = dma_request_channel(mask, filter, param);
+	dev_dbg(port->dev, "%s: RX: got channel %p\n", __func__, chan);
+	if (chan) {
+		dma_addr_t dma[2];
+		void *buf[2];
+		int i;
+
+		s->chan_rx = chan;
+
+		s->buf_len_rx = 2 * max(16, (int)port->fifosize);
+		buf[0] = dma_alloc_coherent(port->dev, s->buf_len_rx * 2,
+					    &dma[0], GFP_KERNEL);
+
+		if (!buf[0]) {
+			dev_warn(port->dev,
+				 "failed to allocate dma buffer, using PIO\n");
+			sci_rx_dma_release(s, true);
+			return;
+		}
+
+		buf[1] = buf[0] + s->buf_len_rx;
+		dma[1] = dma[0] + s->buf_len_rx;
+
+		for (i = 0; i < 2; i++) {
+			struct scatterlist *sg = &s->sg_rx[i];
+
+			sg_init_table(sg, 1);
+			sg_set_page(sg, virt_to_page(buf[i]), s->buf_len_rx,
+				    (int)buf[i] & ~PAGE_MASK);
+			sg->dma_address = dma[i];
+			sg->dma_length = sg->length;
+		}
+
+		INIT_WORK(&s->work_rx, work_fn_rx);
+		setup_timer(&s->rx_timer, rx_timer_fn, (unsigned long)s);
+
+		sci_submit_rx(s);
+	}
+}
+
+static void sci_free_dma(struct uart_port *port)
+{
+	struct sci_port *s = to_sci_port(port);
+
+	if (!s->dma_dev)
+		return;
+
+	if (s->chan_tx)
+		sci_tx_dma_release(s, false);
+	if (s->chan_rx)
+		sci_rx_dma_release(s, false);
+}
+#endif
+
 static int sci_startup(struct uart_port *port)
 {
 	struct sci_port *s = to_sci_port(port);
 
+	dev_dbg(port->dev, "%s(%d)\n", __func__, port->line);
+
 	if (s->enable)
 		s->enable(port);
 
 	sci_request_irq(s);
+#ifdef CONFIG_SERIAL_SH_SCI_DMA
+	sci_request_dma(port);
+#endif
 	sci_start_tx(port);
-	sci_start_rx(port, 1);
+	sci_start_rx(port);
 
 	return 0;
 }
@@ -886,8 +1386,13 @@ static void sci_shutdown(struct uart_port *port)
 {
 	struct sci_port *s = to_sci_port(port);
 
+	dev_dbg(port->dev, "%s(%d)\n", __func__, port->line);
+
 	sci_stop_rx(port);
 	sci_stop_tx(port);
+#ifdef CONFIG_SERIAL_SH_SCI_DMA
+	sci_free_dma(port);
+#endif
 	sci_free_irq(s);
 
 	if (s->disable)
@@ -937,6 +1442,9 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
 
 	sci_out(port, SCSMR, smr_val);
 
+	dev_dbg(port->dev, "%s: SMR %x, t %x, SCSCR %x\n", __func__, smr_val, t,
+		SCSCR_INIT(port));
+
 	if (t > 0) {
 		if (t >= 256) {
 			sci_out(port, SCSMR, (sci_in(port, SCSMR) & ~3) | 1);
@@ -954,7 +1462,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
 	sci_out(port, SCSCR, SCSCR_INIT(port));
 
 	if ((termios->c_cflag & CREAD) != 0)
-		sci_start_rx(port, 0);
+		sci_start_rx(port);
 }
 
 static const char *sci_type(struct uart_port *port)
@@ -1049,19 +1557,21 @@ static void __devinit sci_init_single(struct platform_device *dev,
 				      unsigned int index,
 				      struct plat_sci_port *p)
 {
-	sci_port->port.ops	= &sci_uart_ops;
-	sci_port->port.iotype	= UPIO_MEM;
-	sci_port->port.line	= index;
+	struct uart_port *port = &sci_port->port;
+
+	port->ops	= &sci_uart_ops;
+	port->iotype	= UPIO_MEM;
+	port->line	= index;
 
 	switch (p->type) {
 	case PORT_SCIFA:
-		sci_port->port.fifosize = 64;
+		port->fifosize = 64;
 		break;
 	case PORT_SCIF:
-		sci_port->port.fifosize = 16;
+		port->fifosize = 16;
 		break;
 	default:
-		sci_port->port.fifosize = 1;
+		port->fifosize = 1;
 		break;
 	}
 
@@ -1070,19 +1580,28 @@ static void __devinit sci_init_single(struct platform_device *dev,
 		sci_port->dclk = clk_get(&dev->dev, "peripheral_clk");
 		sci_port->enable = sci_clk_enable;
 		sci_port->disable = sci_clk_disable;
-		sci_port->port.dev = &dev->dev;
+		port->dev = &dev->dev;
 	}
 
 	sci_port->break_timer.data = (unsigned long)sci_port;
 	sci_port->break_timer.function = sci_break_timer;
 	init_timer(&sci_port->break_timer);
 
-	sci_port->port.mapbase	= p->mapbase;
-	sci_port->port.membase	= p->membase;
+	port->mapbase	= p->mapbase;
+	port->membase	= p->membase;
 
-	sci_port->port.irq	= p->irqs[SCIx_TXI_IRQ];
-	sci_port->port.flags	= p->flags;
-	sci_port->type		= sci_port->port.type = p->type;
+	port->irq	= p->irqs[SCIx_TXI_IRQ];
+	port->flags	= p->flags;
+	sci_port->type	= port->type = p->type;
+
+#ifdef CONFIG_SERIAL_SH_SCI_DMA
+	sci_port->dma_dev	= p->dma_dev;
+	sci_port->slave_tx	= p->dma_slave_tx;
+	sci_port->slave_rx	= p->dma_slave_rx;
+
+	dev_dbg(port->dev, "%s: DMA device %p, tx %d, rx %d\n", __func__,
+		p->dma_dev, p->dma_slave_tx, p->dma_slave_rx);
+#endif
 
 	memcpy(&sci_port->irqs, &p->irqs, sizeof(p->irqs));
 }
diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h
index f7d2589926d2..f70c49f915fa 100644
--- a/drivers/serial/sh-sci.h
+++ b/drivers/serial/sh-sci.h
@@ -30,7 +30,10 @@
  */
 # define SCSCR_INIT(port) (port->mapbase == SCIF2) ? 0xF3 : 0xF0
 #elif defined(CONFIG_CPU_SUBTYPE_SH7720) || \
-      defined(CONFIG_CPU_SUBTYPE_SH7721)
+      defined(CONFIG_CPU_SUBTYPE_SH7721) || \
+      defined(CONFIG_ARCH_SH7367) || \
+      defined(CONFIG_ARCH_SH7377) || \
+      defined(CONFIG_ARCH_SH7372)
 # define SCSCR_INIT(port)  0x0030 /* TIE=0,RIE=0,TE=1,RE=1 */
 # define PORT_PTCR	   0xA405011EUL
 # define PORT_PVCR	   0xA4050122UL
@@ -93,7 +96,9 @@
 # define SCSCR_INIT(port)       0x0038  /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
 #elif defined(CONFIG_CPU_SUBTYPE_SH7724)
 # define SCIF_ORER              0x0001  /* overrun error bit */
-# define SCSCR_INIT(port)       0x0038  /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */
+# define SCSCR_INIT(port) ((port)->type == PORT_SCIFA ? \
+	0x30 /* TIE=0,RIE=0,TE=1,RE=1 */ : \
+	0x38 /* TIE=0,RIE=0,TE=1,RE=1,REIE=1 */ )
 #elif defined(CONFIG_CPU_SUBTYPE_SH4_202)
 # define SCSPTR2 0xffe80020 /* 16 bit SCIF */
 # define SCIF_ORER 0x0001   /* overrun error bit */
@@ -196,6 +201,8 @@
     defined(CONFIG_CPU_SUBTYPE_SH7786)  || \
     defined(CONFIG_CPU_SUBTYPE_SHX3)
 #define SCI_CTRL_FLAGS_REIE 0x08 /* 7750 SCIF */
+#elif defined(CONFIG_CPU_SUBTYPE_SH7724)
+#define SCI_CTRL_FLAGS_REIE ((port)->type == PORT_SCIFA ? 0 : 8)
 #else
 #define SCI_CTRL_FLAGS_REIE 0
 #endif
@@ -228,7 +235,10 @@
 
 #if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
     defined(CONFIG_CPU_SUBTYPE_SH7720) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7721)
+    defined(CONFIG_CPU_SUBTYPE_SH7721) || \
+    defined(CONFIG_ARCH_SH7367) || \
+    defined(CONFIG_ARCH_SH7377) || \
+    defined(CONFIG_ARCH_SH7372)
 # define SCIF_ORER    0x0200
 # define SCIF_ERRORS ( SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK | SCIF_ORER)
 # define SCIF_RFDC_MASK 0x007f
@@ -261,7 +271,10 @@
 
 #if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
     defined(CONFIG_CPU_SUBTYPE_SH7720) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7721)
+    defined(CONFIG_CPU_SUBTYPE_SH7721) || \
+    defined(CONFIG_ARCH_SH7367) || \
+    defined(CONFIG_ARCH_SH7377) || \
+    defined(CONFIG_ARCH_SH7372)
 # define SCxSR_RDxF_CLEAR(port)	 (sci_in(port, SCxSR) & 0xfffc)
 # define SCxSR_ERROR_CLEAR(port) (sci_in(port, SCxSR) & 0xfd73)
 # define SCxSR_TDxE_CLEAR(port)	 (sci_in(port, SCxSR) & 0xffdf)
@@ -356,7 +369,10 @@
     SCI_OUT(sci_size, sci_offset, value);				\
   }
 
-#ifdef CONFIG_CPU_SH3
+#if defined(CONFIG_CPU_SH3) || \
+    defined(CONFIG_ARCH_SH7367) || \
+    defined(CONFIG_ARCH_SH7377) || \
+    defined(CONFIG_ARCH_SH7372)
 #if defined(CONFIG_CPU_SUBTYPE_SH7710) || defined(CONFIG_CPU_SUBTYPE_SH7712)
 #define SCIx_FNS(name, sh3_sci_offset, sh3_sci_size, sh4_sci_offset, sh4_sci_size, \
 		                sh3_scif_offset, sh3_scif_size, sh4_scif_offset, sh4_scif_size, \
@@ -366,7 +382,10 @@
 	  CPU_SCIF_FNS(name, sh4_scif_offset, sh4_scif_size)
 #elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \
       defined(CONFIG_CPU_SUBTYPE_SH7720) || \
-      defined(CONFIG_CPU_SUBTYPE_SH7721)
+      defined(CONFIG_CPU_SUBTYPE_SH7721) || \
+      defined(CONFIG_ARCH_SH7367) || \
+      defined(CONFIG_ARCH_SH7377) || \
+      defined(CONFIG_ARCH_SH7372)
 #define SCIF_FNS(name, scif_offset, scif_size) \
   CPU_SCIF_FNS(name, scif_offset, scif_size)
 #else
@@ -401,7 +420,10 @@
 
 #if defined(CONFIG_CPU_SUBTYPE_SH7705) || \
     defined(CONFIG_CPU_SUBTYPE_SH7720) || \
-    defined(CONFIG_CPU_SUBTYPE_SH7721)
+    defined(CONFIG_CPU_SUBTYPE_SH7721) || \
+    defined(CONFIG_ARCH_SH7367) || \
+    defined(CONFIG_ARCH_SH7377) || \
+    defined(CONFIG_ARCH_SH7372)
 
 SCIF_FNS(SCSMR,  0x00, 16)
 SCIF_FNS(SCBRR,  0x04,  8)
@@ -413,7 +435,7 @@ SCIF_FNS(SCFCR,  0x18, 16)
 SCIF_FNS(SCFDR,  0x1c, 16)
 SCIF_FNS(SCxTDR, 0x20,  8)
 SCIF_FNS(SCxRDR, 0x24,  8)
-SCIF_FNS(SCLSR,  0x24, 16)
+SCIF_FNS(SCLSR,  0x00,  0)
 #elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\
       defined(CONFIG_CPU_SUBTYPE_SH7724)
 SCIx_FNS(SCSMR,  0x00, 16, 0x00, 16)
@@ -583,7 +605,10 @@ static inline int sci_rxd_in(struct uart_port *port)
 #define SCBRR_VALUE(bps, clk) ((clk+16*bps)/(16*bps)-1)
 #elif defined(CONFIG_CPU_SUBTYPE_SH7705) || \
       defined(CONFIG_CPU_SUBTYPE_SH7720) || \
-      defined(CONFIG_CPU_SUBTYPE_SH7721)
+      defined(CONFIG_CPU_SUBTYPE_SH7721) || \
+      defined(CONFIG_ARCH_SH7367) || \
+      defined(CONFIG_ARCH_SH7377) || \
+      defined(CONFIG_ARCH_SH7372)
 #define SCBRR_VALUE(bps, clk) (((clk*2)+16*bps)/(32*bps)-1)
 #elif defined(CONFIG_CPU_SUBTYPE_SH7723) ||\
       defined(CONFIG_CPU_SUBTYPE_SH7724)
diff --git a/drivers/serial/timbuart.c b/drivers/serial/timbuart.c
index 34b31da01d09..7bf10264a6ac 100644
--- a/drivers/serial/timbuart.c
+++ b/drivers/serial/timbuart.c
@@ -421,7 +421,7 @@ static struct uart_driver timbuart_driver = {
 
 static int timbuart_probe(struct platform_device *dev)
 {
-	int err;
+	int err, irq;
 	struct timbuart_port *uart;
 	struct resource *iomem;
 
@@ -453,11 +453,12 @@ static int timbuart_probe(struct platform_device *dev)
 	uart->port.mapbase = iomem->start;
 	uart->port.membase = NULL;
 
-	uart->port.irq = platform_get_irq(dev, 0);
-	if (uart->port.irq < 0) {
+	irq = platform_get_irq(dev, 0);
+	if (irq < 0) {
 		err = -EINVAL;
 		goto err_register;
 	}
+	uart->port.irq = irq;
 
 	tasklet_init(&uart->tasklet, timbuart_tasklet, (unsigned long)uart);
 
diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c
index ab2ab3c81834..f0a6c61b17f7 100644
--- a/drivers/serial/uartlite.c
+++ b/drivers/serial/uartlite.c
@@ -19,7 +19,7 @@
 #include <linux/interrupt.h>
 #include <linux/init.h>
 #include <asm/io.h>
-#if defined(CONFIG_OF)
+#if defined(CONFIG_OF) && (defined(CONFIG_PPC32) || defined(CONFIG_MICROBLAZE))
 #include <linux/of.h>
 #include <linux/of_device.h>
 #include <linux/of_platform.h>
@@ -581,7 +581,7 @@ static struct platform_driver ulite_platform_driver = {
 /* ---------------------------------------------------------------------
  * OF bus bindings
  */
-#if defined(CONFIG_OF)
+#if defined(CONFIG_OF) && (defined(CONFIG_PPC32) || defined(CONFIG_MICROBLAZE))
 static int __devinit
 ulite_of_probe(struct of_device *op, const struct of_device_id *match)
 {
@@ -631,11 +631,11 @@ static inline void __exit ulite_of_unregister(void)
 {
 	of_unregister_platform_driver(&ulite_of_driver);
 }
-#else /* CONFIG_OF */
-/* CONFIG_OF not enabled; do nothing helpers */
+#else /* CONFIG_OF && (CONFIG_PPC32 || CONFIG_MICROBLAZE) */
+/* Appropriate config not enabled; do nothing helpers */
 static inline int __init ulite_of_register(void) { return 0; }
 static inline void __exit ulite_of_unregister(void) { }
-#endif /* CONFIG_OF */
+#endif /* CONFIG_OF && (CONFIG_PPC32 || CONFIG_MICROBLAZE) */
 
 /* ---------------------------------------------------------------------
  * Module setup/teardown
diff --git a/drivers/sh/intc.c b/drivers/sh/intc.c
index 3a5a17db9474..a3d8677af6a5 100644
--- a/drivers/sh/intc.c
+++ b/drivers/sh/intc.c
@@ -2,7 +2,7 @@
  * Shared interrupt handling code for IPR and INTC2 types of IRQs.
  *
  * Copyright (C) 2007, 2008 Magnus Damm
- * Copyright (C) 2009 Paul Mundt
+ * Copyright (C) 2009, 2010 Paul Mundt
  *
  * Based on intc2.c and ipr.c
  *
@@ -26,6 +26,7 @@
 #include <linux/list.h>
 #include <linux/topology.h>
 #include <linux/bitmap.h>
+#include <linux/cpumask.h>
 
 #define _INTC_MK(fn, mode, addr_e, addr_d, width, shift) \
 	((shift) | ((width) << 5) | ((fn) << 9) | ((mode) << 13) | \
@@ -234,6 +235,10 @@ static inline void _intc_enable(unsigned int irq, unsigned long handle)
 	unsigned int cpu;
 
 	for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_E(handle)); cpu++) {
+#ifdef CONFIG_SMP
+		if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity))
+			continue;
+#endif
 		addr = INTC_REG(d, _INTC_ADDR_E(handle), cpu);
 		intc_enable_fns[_INTC_MODE(handle)](addr, handle, intc_reg_fns\
 						    [_INTC_FN(handle)], irq);
@@ -253,6 +258,10 @@ static void intc_disable(unsigned int irq)
 	unsigned int cpu;
 
 	for (cpu = 0; cpu < SMP_NR(d, _INTC_ADDR_D(handle)); cpu++) {
+#ifdef CONFIG_SMP
+		if (!cpumask_test_cpu(cpu, irq_to_desc(irq)->affinity))
+			continue;
+#endif
 		addr = INTC_REG(d, _INTC_ADDR_D(handle), cpu);
 		intc_disable_fns[_INTC_MODE(handle)](addr, handle,intc_reg_fns\
 						     [_INTC_FN(handle)], irq);
@@ -301,6 +310,23 @@ static int intc_set_wake(unsigned int irq, unsigned int on)
 	return 0; /* allow wakeup, but setup hardware in intc_suspend() */
 }
 
+#ifdef CONFIG_SMP
+/*
+ * This is held with the irq desc lock held, so we don't require any
+ * additional locking here at the intc desc level. The affinity mask is
+ * later tested in the enable/disable paths.
+ */
+static int intc_set_affinity(unsigned int irq, const struct cpumask *cpumask)
+{
+	if (!cpumask_intersects(cpumask, cpu_online_mask))
+		return -1;
+
+	cpumask_copy(irq_to_desc(irq)->affinity, cpumask);
+
+	return 0;
+}
+#endif
+
 static void intc_mask_ack(unsigned int irq)
 {
 	struct intc_desc_int *d = get_intc_desc(irq);
@@ -762,6 +788,10 @@ static void __init intc_register_irq(struct intc_desc *desc,
 
 	if (desc->hw.ack_regs)
 		ack_handle[irq] = intc_ack_data(desc, d, enum_id);
+
+#ifdef CONFIG_ARM
+	set_irq_flags(irq, IRQF_VALID); /* Enable IRQ on ARM systems */
+#endif
 }
 
 static unsigned int __init save_reg(struct intc_desc_int *d,
@@ -843,6 +873,9 @@ void __init register_intc_controller(struct intc_desc *desc)
 	d->chip.shutdown = intc_disable;
 	d->chip.set_type = intc_set_sense;
 	d->chip.set_wake = intc_set_wake;
+#ifdef CONFIG_SMP
+	d->chip.set_affinity = intc_set_affinity;
+#endif
 
 	if (hw->ack_regs) {
 		for (i = 0; i < hw->nr_ack_regs; i++)
@@ -1024,8 +1057,12 @@ unsigned int create_irq_nr(unsigned int irq_want, int node)
 out_unlock:
 	spin_unlock_irqrestore(&vector_lock, flags);
 
-	if (irq > 0)
+	if (irq > 0) {
 		dynamic_irq_init(irq);
+#ifdef CONFIG_ARM
+		set_irq_flags(irq, IRQF_VALID); /* Enable IRQ on ARM systems */
+#endif
+	}
 
 	return irq;
 }
diff --git a/drivers/spi/omap2_mcspi.c b/drivers/spi/omap2_mcspi.c
index 715c518b1b68..4dd786b99b8b 100644
--- a/drivers/spi/omap2_mcspi.c
+++ b/drivers/spi/omap2_mcspi.c
@@ -578,6 +578,7 @@ static int omap2_mcspi_setup_transfer(struct spi_device *spi,
 	struct spi_master *spi_cntrl;
 	u32 l = 0, div = 0;
 	u8 word_len = spi->bits_per_word;
+	u32 speed_hz = spi->max_speed_hz;
 
 	mcspi = spi_master_get_devdata(spi->master);
 	spi_cntrl = mcspi->master;
@@ -587,9 +588,12 @@ static int omap2_mcspi_setup_transfer(struct spi_device *spi,
 
 	cs->word_len = word_len;
 
-	if (spi->max_speed_hz) {
+	if (t && t->speed_hz)
+		speed_hz = t->speed_hz;
+
+	if (speed_hz) {
 		while (div <= 15 && (OMAP2_MCSPI_MAX_FREQ / (1 << div))
-					> spi->max_speed_hz)
+					> speed_hz)
 			div++;
 	} else
 		div = 15;
@@ -751,11 +755,13 @@ static void omap2_mcspi_cleanup(struct spi_device *spi)
 	mcspi = spi_master_get_devdata(spi->master);
 	mcspi_dma = &mcspi->dma_channels[spi->chip_select];
 
-	/* Unlink controller state from context save list */
-	cs = spi->controller_state;
-	list_del(&cs->node);
+	if (spi->controller_state) {
+		/* Unlink controller state from context save list */
+		cs = spi->controller_state;
+		list_del(&cs->node);
 
-	kfree(spi->controller_state);
+		kfree(spi->controller_state);
+	}
 
 	if (mcspi_dma->dma_rx_channel != -1) {
 		omap_free_dma(mcspi_dma->dma_rx_channel);
diff --git a/drivers/spi/spi_s3c24xx.c b/drivers/spi/spi_s3c24xx.c
index c010733877ae..1fabede9e061 100644
--- a/drivers/spi/spi_s3c24xx.c
+++ b/drivers/spi/spi_s3c24xx.c
@@ -275,7 +275,7 @@ static inline u32 ack_bit(unsigned int irq)
  * Claim the FIQ handler (only one can be active at any one time) and
  * then setup the correct transfer code for this transfer.
  *
- * This call updates all the necessary state information if sucessful,
+ * This call updates all the necessary state information if successful,
  * so the caller does not need to do anything more than start the transfer
  * as normal, since the IRQ will have been re-routed to the FIQ handler.
 */
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index fc2e963e65e9..7696a664f8a5 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -71,8 +71,6 @@ source "drivers/staging/asus_oled/Kconfig"
 
 source "drivers/staging/panel/Kconfig"
 
-source "drivers/staging/altpciechdma/Kconfig"
-
 source "drivers/staging/rtl8187se/Kconfig"
 
 source "drivers/staging/rtl8192su/Kconfig"
@@ -81,20 +79,14 @@ source "drivers/staging/rtl8192u/Kconfig"
 
 source "drivers/staging/rtl8192e/Kconfig"
 
-source "drivers/staging/mimio/Kconfig"
-
 source "drivers/staging/frontier/Kconfig"
 
 source "drivers/staging/dream/Kconfig"
 
 source "drivers/staging/pohmelfs/Kconfig"
 
-source "drivers/staging/b3dfg/Kconfig"
-
 source "drivers/staging/phison/Kconfig"
 
-source "drivers/staging/p9auth/Kconfig"
-
 source "drivers/staging/line6/Kconfig"
 
 source "drivers/gpu/drm/vmwgfx/Kconfig"
@@ -117,7 +109,7 @@ source "drivers/staging/hv/Kconfig"
 
 source "drivers/staging/vme/Kconfig"
 
-source "drivers/staging/rar/Kconfig"
+source "drivers/staging/rar_register/Kconfig"
 
 source "drivers/staging/sep/Kconfig"
 
@@ -143,5 +135,9 @@ source "drivers/staging/netwave/Kconfig"
 
 source "drivers/staging/sm7xx/Kconfig"
 
+source "drivers/staging/dt3155/Kconfig"
+
+source "drivers/staging/crystalhd/Kconfig"
+
 endif # !STAGING_EXCLUDE_BUILD
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index b5e67b889f60..ea2e70e2fed4 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -18,18 +18,14 @@ obj-$(CONFIG_RT2870)		+= rt2870/
 obj-$(CONFIG_COMEDI)		+= comedi/
 obj-$(CONFIG_ASUS_OLED)		+= asus_oled/
 obj-$(CONFIG_PANEL)		+= panel/
-obj-$(CONFIG_ALTERA_PCIE_CHDMA)	+= altpciechdma/
 obj-$(CONFIG_R8187SE)		+= rtl8187se/
 obj-$(CONFIG_RTL8192SU)		+= rtl8192su/
 obj-$(CONFIG_RTL8192U)		+= rtl8192u/
 obj-$(CONFIG_RTL8192E)		+= rtl8192e/
-obj-$(CONFIG_INPUT_MIMIO)	+= mimio/
 obj-$(CONFIG_TRANZPORT)		+= frontier/
 obj-$(CONFIG_DREAM)		+= dream/
 obj-$(CONFIG_POHMELFS)		+= pohmelfs/
-obj-$(CONFIG_B3DFG)		+= b3dfg/
 obj-$(CONFIG_IDE_PHISON)	+= phison/
-obj-$(CONFIG_PLAN9AUTH)		+= p9auth/
 obj-$(CONFIG_LINE6_USB)		+= line6/
 obj-$(CONFIG_USB_SERIAL_QUATECH2)	+= serqt_usb2/
 obj-$(CONFIG_USB_SERIAL_QUATECH_USB2)	+= quatech_usb2/
@@ -39,7 +35,7 @@ obj-$(CONFIG_VT6656)		+= vt6656/
 obj-$(CONFIG_FB_UDL)		+= udlfb/
 obj-$(CONFIG_HYPERV)		+= hv/
 obj-$(CONFIG_VME_BUS)		+= vme/
-obj-$(CONFIG_RAR_REGISTER)	+= rar/
+obj-$(CONFIG_RAR_REGISTER)	+= rar_register/
 obj-$(CONFIG_DX_SEP)		+= sep/
 obj-$(CONFIG_IIO)		+= iio/
 obj-$(CONFIG_RAMZSWAP)		+= ramzswap/
@@ -53,3 +49,5 @@ obj-$(CONFIG_WAVELAN)		+= wavelan/
 obj-$(CONFIG_PCMCIA_WAVELAN)	+= wavelan/
 obj-$(CONFIG_PCMCIA_NETWAVE)	+= netwave/
 obj-$(CONFIG_FB_SM7XX)		+= sm7xx/
+obj-$(CONFIG_DT3155)		+= dt3155/
+obj-$(CONFIG_CRYSTALHD)		+= crystalhd/
diff --git a/drivers/staging/altpciechdma/Kconfig b/drivers/staging/altpciechdma/Kconfig
deleted file mode 100644
index 0f4bf92cbbfb..000000000000
--- a/drivers/staging/altpciechdma/Kconfig
+++ /dev/null
@@ -1,10 +0,0 @@
-config ALTERA_PCIE_CHDMA
-	tristate "Altera PCI Express Chaining DMA driver"
-	depends on PCI
-	default N
-	---help---
-	  A reference driver that exercises the Chaining DMA logic reference
-	  design generated along the Altera FPGA PCI Express soft or hard core,
-	  only if instantiated using the MegaWizard, not the SOPC builder, of
-	  Quartus 8.1.
-
diff --git a/drivers/staging/altpciechdma/Makefile b/drivers/staging/altpciechdma/Makefile
deleted file mode 100644
index c08c8437f4db..000000000000
--- a/drivers/staging/altpciechdma/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-obj-$(CONFIG_ALTERA_PCIE_CHDMA)	+= altpciechdma.o
-
diff --git a/drivers/staging/altpciechdma/TODO b/drivers/staging/altpciechdma/TODO
deleted file mode 100644
index 12c945fd61e1..000000000000
--- a/drivers/staging/altpciechdma/TODO
+++ /dev/null
@@ -1,15 +0,0 @@
-DONE:
-    - functionality similar to logic testbench
-
-TODO:
-	- checkpatch.pl cleanups.
-	- keep state of DMA engines.
-	- keep data structure that keeps state of each transfer.
-	- interrupt handler should iterate over outstanding descriptor tables.
-	- complete userspace cdev to read/write using the DMA engines.
-	- split off the DMA support functions in a module, re-usable by custom
-	  drivers.
-
-Please coordinate work with, and send patches to
-Leon Woestenberg <leon@sidebranch.com>
-
diff --git a/drivers/staging/altpciechdma/altpciechdma.c b/drivers/staging/altpciechdma/altpciechdma.c
deleted file mode 100644
index 2f07dd4563ac..000000000000
--- a/drivers/staging/altpciechdma/altpciechdma.c
+++ /dev/null
@@ -1,1182 +0,0 @@
-/**
- * Driver for Altera PCIe core chaining DMA reference design.
- *
- * Copyright (C) 2008 Leon Woestenberg  <leon.woestenberg@axon.tv>
- * Copyright (C) 2008 Nickolas Heppermann  <heppermannwdt@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- *
- * Rationale: This driver exercises the chaining DMA read and write engine
- * in the reference design. It is meant as a complementary reference
- * driver that can be used for testing early designs as well as a basis to
- * write your custom driver.
- *
- * Status: Test results from Leon Woestenberg  <leon.woestenberg@axon.tv>:
- *
- * Sendero Board w/ Cyclone II EP2C35F672C6N, PX1011A PCIe x1 PHY on a
- * Dell Precision 370 PC, x86, kernel 2.6.20 from Ubuntu 7.04.
- *
- * Sendero Board w/ Cyclone II EP2C35F672C6N, PX1011A PCIe x1 PHY on a
- * Freescale MPC8313E-RDB board, PowerPC, 2.6.24 w/ Freescale patches.
- *
- * Driver tests passed with PCIe Compiler 8.1. With PCIe 8.0 the DMA
- * loopback test had reproducable compare errors. I assume a change
- * in the compiler or reference design, but could not find evidence nor
- * documentation on a change or fix in that direction.
- *
- * The reference design does not have readable locations and thus a
- * dummy read, used to flush PCI posted writes, cannot be performed.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/cdev.h>
-#include <linux/delay.h>
-#include <linux/dma-mapping.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/jiffies.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-
-
-/* by default do not build the character device interface */
-/* XXX It is non-functional yet */
-#ifndef ALTPCIECHDMA_CDEV
-#  define ALTPCIECHDMA_CDEV 0
-#endif
-
-/* build the character device interface? */
-#if ALTPCIECHDMA_CDEV
-#  define MAX_CHDMA_SIZE (8 * 1024 * 1024)
-#  include "mapper_user_to_sg.h"
-#endif
-
-/** driver name, mimicks Altera naming of the reference design */
-#define DRV_NAME "altpciechdma"
-/** number of BARs on the device */
-#define APE_BAR_NUM (6)
-/** BAR number where the RCSLAVE memory sits */
-#define APE_BAR_RCSLAVE (0)
-/** BAR number where the Descriptor Header sits */
-#define APE_BAR_HEADER (2)
-
-/** maximum size in bytes of the descriptor table, chdma logic limit */
-#define APE_CHDMA_TABLE_SIZE (4096)
-/* single transfer must not exceed 255 table entries. worst case this can be
- * achieved by 255 scattered pages, with only a single byte in the head and
- * tail pages. 253 * PAGE_SIZE is a safe upper bound for the transfer size.
- */
-#define APE_CHDMA_MAX_TRANSFER_LEN (253 * PAGE_SIZE)
-
-/**
- * Specifies those BARs to be mapped and the length of each mapping.
- *
- * Zero (0) means do not map, otherwise specifies the BAR lengths to be mapped.
- * If the actual BAR length is less, this is considered an error; then
- * reconfigure your PCIe core.
- *
- * @see ug_pci_express 8.0, table 7-2 at page 7-13.
- */
-static const unsigned long bar_min_len[APE_BAR_NUM] =
-	{ 32768, 0, 256, 0, 32768, 0 };
-
-/**
- * Descriptor Header, controls the DMA read engine or write engine.
- *
- * The descriptor header is the main data structure for starting DMA transfers.
- *
- * It sits in End Point (FPGA) memory BAR[2] for 32-bit or BAR[3:2] for 64-bit.
- * It references a descriptor table which exists in Root Complex (PC) memory.
- * Writing the rclast field starts the DMA operation, thus all other structures
- * and fields must be setup before doing so.
- *
- * @see ug_pci_express 8.0, tables 7-3, 7-4 and 7-5 at page 7-14.
- * @note This header must be written in four 32-bit (PCI DWORD) writes.
- */
-struct ape_chdma_header {
-	/**
-	 * w0 consists of two 16-bit fields:
-	 * lsb u16 number; number of descriptors in ape_chdma_table
-	 * msb u16 control; global control flags
-	 */
-	u32 w0;
-	/* bus address to ape_chdma_table in Root Complex memory */
-	u32 bdt_addr_h;
-	u32 bdt_addr_l;
-	/**
-	 * w3 consists of two 16-bit fields:
-	 * - lsb u16 rclast; last descriptor number available in Root Complex
-	 *    - zero (0) means the first descriptor is ready,
-	 *    - one (1) means two descriptors are ready, etc.
-	 * - msb u16 reserved;
-	 *
-	 * @note writing to this memory location starts the DMA operation!
-	 */
-	u32 w3;
-} __attribute__ ((packed));
-
-/**
- * Descriptor Entry, describing a (non-scattered) single memory block transfer.
- *
- * There is one descriptor for each memory block involved in the transfer, a
- * block being a contiguous address range on the bus.
- *
- * Multiple descriptors are chained by means of the ape_chdma_table data
- * structure.
- *
- * @see ug_pci_express 8.0, tables 7-6, 7-7 and 7-8 at page 7-14 and page 7-15.
- */
-struct ape_chdma_desc {
-	/**
-	 * w0 consists of two 16-bit fields:
-	 * number of DWORDS to transfer
-	 * - lsb u16 length;
-	 * global control
-	 * - msb u16 control;
-	 */
-	u32 w0;
-	/* address of memory in the End Point */
-	u32 ep_addr;
-	/* bus address of source or destination memory in the Root Complex */
-	u32 rc_addr_h;
-	u32 rc_addr_l;
-} __attribute__ ((packed));
-
-/**
- * Descriptor Table, an array of descriptors describing a chained transfer.
- *
- * An array of descriptors, preceded by workspace for the End Point.
- * It exists in Root Complex memory.
- *
- * The End Point can update its last completed descriptor number in the
- * eplast field if requested by setting the EPLAST_ENA bit either
- * globally in the header's or locally in any descriptor's control field.
- *
- * @note this structure may not exceed 4096 bytes. This results in a
- * maximum of 4096 / (4 * 4) - 1 = 255 descriptors per chained transfer.
- *
- * @see ug_pci_express 8.0, tables 7-9, 7-10 and 7-11 at page 7-17 and page 7-18.
- */
-struct ape_chdma_table {
-	/* workspace 0x00-0x0b, reserved */
-	u32 reserved1[3];
-	/* workspace 0x0c-0x0f, last descriptor handled by End Point */
-	u32 w3;
-	/* the actual array of descriptors
-    * 0x10-0x1f, 0x20-0x2f, ... 0xff0-0xfff (255 entries)
-    */
-	struct ape_chdma_desc desc[255];
-} __attribute__ ((packed));
-
-/**
- * Altera PCI Express ('ape') board specific book keeping data
- *
- * Keeps state of the PCIe core and the Chaining DMA controller
- * application.
- */
-struct ape_dev {
-	/** the kernel pci device data structure provided by probe() */
-	struct pci_dev *pci_dev;
-	/**
-	 * kernel virtual address of the mapped BAR memory and IO regions of
-	 * the End Point. Used by map_bars()/unmap_bars().
-	 */
-	void * __iomem bar[APE_BAR_NUM];
-	/** kernel virtual address for Descriptor Table in Root Complex memory */
-	struct ape_chdma_table *table_virt;
-	/**
-	 * bus address for the Descriptor Table in Root Complex memory, in
-	 * CPU-native endianess
-	 */
-	dma_addr_t table_bus;
-	/* if the device regions could not be allocated, assume and remember it
-	 * is in use by another driver; this driver must not disable the device.
-	 */
-	int in_use;
-	/* whether this driver enabled msi for the device */
-	int msi_enabled;
-	/* whether this driver could obtain the regions */
-	int got_regions;
-	/* irq line successfully requested by this driver, -1 otherwise */
-	int irq_line;
-	/* board revision */
-	u8 revision;
-	/* interrupt count, incremented by the interrupt handler */
-	int irq_count;
-#if ALTPCIECHDMA_CDEV
-	/* character device */
-	dev_t cdevno;
-	struct cdev cdev;
-	/* user space scatter gather mapper */
-	struct sg_mapping_t *sgm;
-#endif
-};
-
-/**
- * Using the subsystem vendor id and subsystem id, it is possible to
- * distinguish between different cards bases around the same
- * (third-party) logic core.
- *
- * Default Altera vendor and device ID's, and some (non-reserved)
- * ID's are now used here that are used amongst the testers/developers.
- */
-static const struct pci_device_id ids[] = {
-	{ PCI_DEVICE(0x1172, 0xE001), },
-	{ PCI_DEVICE(0x2071, 0x2071), },
-	{ 0, }
-};
-MODULE_DEVICE_TABLE(pci, ids);
-
-#if ALTPCIECHDMA_CDEV
-/* prototypes for character device */
-static int sg_init(struct ape_dev *ape);
-static void sg_exit(struct ape_dev *ape);
-#endif
-
-/**
- * altpciechdma_isr() - Interrupt handler
- *
- */
-static irqreturn_t altpciechdma_isr(int irq, void *dev_id)
-{
-	struct ape_dev *ape = (struct ape_dev *)dev_id;
-	if (!ape)
-		return IRQ_NONE;
-	ape->irq_count++;
-	return IRQ_HANDLED;
-}
-
-static int __devinit scan_bars(struct ape_dev *ape, struct pci_dev *dev)
-{
-	int i;
-	for (i = 0; i < APE_BAR_NUM; i++) {
-		unsigned long bar_start = pci_resource_start(dev, i);
-		if (bar_start) {
-			unsigned long bar_end = pci_resource_end(dev, i);
-			unsigned long bar_flags = pci_resource_flags(dev, i);
-			printk(KERN_DEBUG "BAR%d 0x%08lx-0x%08lx flags 0x%08lx\n",
-			  i, bar_start, bar_end, bar_flags);
-		}
-	}
-	return 0;
-}
-
-/**
- * Unmap the BAR regions that had been mapped earlier using map_bars()
- */
-static void unmap_bars(struct ape_dev *ape, struct pci_dev *dev)
-{
-	int i;
-	for (i = 0; i < APE_BAR_NUM; i++) {
-	  /* is this BAR mapped? */
-		if (ape->bar[i]) {
-			/* unmap BAR */
-			pci_iounmap(dev, ape->bar[i]);
-			ape->bar[i] = NULL;
-		}
-	}
-}
-
-/**
- * Map the device memory regions into kernel virtual address space after
- * verifying their sizes respect the minimum sizes needed, given by the
- * bar_min_len[] array.
- */
-static int __devinit map_bars(struct ape_dev *ape, struct pci_dev *dev)
-{
-	int rc;
-	int i;
-	/* iterate through all the BARs */
-	for (i = 0; i < APE_BAR_NUM; i++) {
-		unsigned long bar_start = pci_resource_start(dev, i);
-		unsigned long bar_end = pci_resource_end(dev, i);
-		unsigned long bar_length = bar_end - bar_start + 1;
-		ape->bar[i] = NULL;
-		/* do not map, and skip, BARs with length 0 */
-		if (!bar_min_len[i])
-			continue;
-		/* do not map BARs with address 0 */
-		if (!bar_start || !bar_end) {
-			printk(KERN_DEBUG "BAR #%d is not present?!\n", i);
-			rc = -1;
-			goto fail;
-		}
-		bar_length = bar_end - bar_start + 1;
-		/* BAR length is less than driver requires? */
-		if (bar_length < bar_min_len[i]) {
-			printk(KERN_DEBUG "BAR #%d length = %lu bytes but driver "
-			"requires at least %lu bytes\n",
-			i, bar_length, bar_min_len[i]);
-			rc = -1;
-			goto fail;
-		}
-		/* map the device memory or IO region into kernel virtual
-		 * address space */
-		ape->bar[i] = pci_iomap(dev, i, bar_min_len[i]);
-		if (!ape->bar[i]) {
-			printk(KERN_DEBUG "Could not map BAR #%d.\n", i);
-			rc = -1;
-			goto fail;
-		}
-		printk(KERN_DEBUG "BAR[%d] mapped at 0x%p with length %lu(/%lu).\n", i,
-		ape->bar[i], bar_min_len[i], bar_length);
-	}
-	/* successfully mapped all required BAR regions */
-	rc = 0;
-	goto success;
-fail:
-	/* unmap any BARs that we did map */
-	unmap_bars(ape, dev);
-success:
-	return rc;
-}
-
-#if 0 /* not yet implemented fully FIXME add opcode */
-static void __devinit rcslave_test(struct ape_dev *ape, struct pci_dev *dev)
-{
-	u32 *rcslave_mem = (u32 *)ape->bar[APE_BAR_RCSLAVE];
-	u32 result = 0;
-	/** this number is assumed to be different each time this test runs */
-	u32 seed = (u32)jiffies;
-	u32 value = seed;
-	int i;
-
-	/* write loop */
-	value = seed;
-	for (i = 1024; i < 32768 / 4 ; i++) {
-		printk(KERN_DEBUG "Writing 0x%08x to 0x%p.\n",
-			(u32)value, (void *)rcslave_mem + i);
-		iowrite32(value, rcslave_mem + i);
-		value++;
-	}
-	/* read-back loop */
-	value = seed;
-	for (i = 1024; i < 32768 / 4; i++) {
-		result = ioread32(rcslave_mem + i);
-		if (result != value) {
-			printk(KERN_DEBUG "Wrote 0x%08x to 0x%p, but read back 0x%08x.\n",
-				(u32)value, (void *)rcslave_mem + i, (u32)result);
-			break;
-		}
-		value++;
-	}
-}
-#endif
-
-/* obtain the 32 most significant (high) bits of a 32-bit or 64-bit address */
-#define pci_dma_h(addr) ((addr >> 16) >> 16)
-/* obtain the 32 least significant (low) bits of a 32-bit or 64-bit address */
-#define pci_dma_l(addr) (addr & 0xffffffffUL)
-
-/* ape_fill_chdma_desc() - Fill a Altera PCI Express Chaining DMA descriptor
- *
- * @desc pointer to descriptor to be filled
- * @addr root complex address
- * @ep_addr end point address
- * @len number of bytes, must be a multiple of 4.
- */
-static inline void ape_chdma_desc_set(struct ape_chdma_desc *desc, dma_addr_t addr, u32 ep_addr, int len)
-{
-  BUG_ON(len & 3);
-	desc->w0 = cpu_to_le32(len / 4);
-	desc->ep_addr = cpu_to_le32(ep_addr);
-	desc->rc_addr_h = cpu_to_le32(pci_dma_h(addr));
-	desc->rc_addr_l = cpu_to_le32(pci_dma_l(addr));
-}
-
-#if ALTPCIECHDMA_CDEV
-/*
- * ape_sg_to_chdma_table() - Create a device descriptor table from a scatterlist.
- *
- * The scatterlist must have been mapped by pci_map_sg(sgm->sgl).
- *
- * @sgl scatterlist.
- * @nents Number of entries in the scatterlist.
- * @first Start index in the scatterlist sgm->sgl.
- * @ep_addr End Point address for the scatter/gather transfer.
- * @desc pointer to first descriptor
- *
- * Returns Number of entries in the table on success, -1 on error.
- */
-static int ape_sg_to_chdma_table(struct scatterlist *sgl, int nents, int first, struct ape_chdma_desc *desc, u32 ep_addr)
-{
-	int i = first, j = 0;
-	/* inspect first entry */
-	dma_addr_t addr = sg_dma_address(&sgl[i]);
-	unsigned int len = sg_dma_len(&sgl[i]);
-	/* contiguous block */
-	dma_addr_t cont_addr = addr;
-	unsigned int cont_len = len;
-	/* iterate over remaining entries */
-	for (; j < 25 && i < nents - 1; i++) {
-		/* bus address of next entry i + 1 */
-		dma_addr_t next = sg_dma_address(&sgl[i + 1]);
-		/* length of this entry i */
-		len = sg_dma_len(&sgl[i]);
-		printk(KERN_DEBUG "%04d: addr=0x%Lx length=0x%08x\n", i,
-			(unsigned long long)addr, len);
-		/* entry i + 1 is non-contiguous with entry i? */
-		if (next != addr + len) {
-			/* TODO create entry here (we could overwrite i) */
-			printk(KERN_DEBUG "%4d: cont_addr=0x%Lx cont_len=0x%08x\n", j,
-				(unsigned long long)cont_addr, cont_len);
-			/* set descriptor for contiguous transfer */
-			ape_chdma_desc_set(&desc[j], cont_addr, ep_addr, cont_len);
-			/* next end point memory address */
-			ep_addr += cont_len;
-			/* start new contiguous block */
-			cont_addr = next;
-			cont_len = 0;
-			j++;
-		}
-		/* add entry i + 1 to current contiguous block */
-		cont_len += len;
-		/* goto entry i + 1 */
-		addr = next;
-	}
-	/* TODO create entry here  (we could overwrite i) */
-	printk(KERN_DEBUG "%04d: addr=0x%Lx length=0x%08x\n", i,
-		(unsigned long long)addr, len);
-	printk(KERN_DEBUG "%4d: cont_addr=0x%Lx length=0x%08x\n", j,
-		(unsigned long long)cont_addr, cont_len);
-	j++;
-	return j;
-}
-#endif
-
-/* compare buffers */
-static inline int compare(u32 *p, u32 *q, int len)
-{
-	int result = -1;
-	int fail = 0;
-	int i;
-	for (i = 0; i < len / 4; i++) {
-		if (*p == *q) {
-			/* every so many u32 words, show equals */
-			if ((i & 255) == 0)
-				printk(KERN_DEBUG "[%p] = 0x%08x    [%p] = 0x%08x\n", p, *p, q, *q);
-		} else {
-			fail++;
-			/* show the first few miscompares */
-			if (fail < 10)
-				printk(KERN_DEBUG "[%p] = 0x%08x != [%p] = 0x%08x ?!\n", p, *p, q, *q);
-				/* but stop after a while */
-			else if (fail == 10)
-				printk(KERN_DEBUG "---more errors follow! not printed---\n");
-			else
-				/* stop compare after this many errors */
-			break;
-		}
-		p++;
-		q++;
-	}
-	if (!fail)
-		result = 0;
-	return result;
-}
-
-/* dma_test() - Perform DMA loop back test to end point and back to root complex.
- *
- * Allocate a cache-coherent buffer in host memory, consisting of four pages.
- *
- * Fill the four memory pages such that each 32-bit word contains its own address.
- *
- * Now perform a loop back test, have the end point device copy the first buffer
- * half to end point memory, then have it copy back into the second half.
- *
- *   Create a descriptor table to copy the first buffer half into End Point
- *   memory. Instruct the End Point to do a DMA read using that table.
- *
- *   Create a descriptor table to copy End Point memory to the second buffer
- *   half. Instruct the End Point to do a DMA write using that table.
- *
- * Compare results, fail or pass.
- *
- */
-static int __devinit dma_test(struct ape_dev *ape, struct pci_dev *dev)
-{
-	/* test result; guilty until proven innocent */
-	int result = -1;
-	/* the DMA read header sits at address 0x00 of the DMA engine BAR */
-	struct ape_chdma_header *write_header = (struct ape_chdma_header *)ape->bar[APE_BAR_HEADER];
-	/* the write DMA header sits after the read header at address 0x10 */
-	struct ape_chdma_header *read_header = write_header + 1;
-	/* virtual address of the allocated buffer */
-	u8 *buffer_virt = 0;
-	/* bus address of the allocated buffer */
-	dma_addr_t buffer_bus = 0;
-	int i, n = 0, irq_count;
-
-	/* temporary value used to construct 32-bit data words */
-	u32 w;
-
-	printk(KERN_DEBUG "bar_tests(), PAGE_SIZE = 0x%0x\n", (int)PAGE_SIZE);
-	printk(KERN_DEBUG "write_header = 0x%p.\n", write_header);
-	printk(KERN_DEBUG "read_header = 0x%p.\n", read_header);
-	printk(KERN_DEBUG "&write_header->w3 = 0x%p\n", &write_header->w3);
-	printk(KERN_DEBUG "&read_header->w3 = 0x%p\n", &read_header->w3);
-	printk(KERN_DEBUG "ape->table_virt = 0x%p.\n", ape->table_virt);
-
-	if (!write_header || !read_header || !ape->table_virt)
-		goto fail;
-
-	/* allocate and map coherently-cached memory for a DMA-able buffer */
-	/* @see Documentation/PCI/PCI-DMA-mapping.txt, near line 318 */
-	buffer_virt = (u8 *)pci_alloc_consistent(dev, PAGE_SIZE * 4, &buffer_bus);
-	if (!buffer_virt) {
-		printk(KERN_DEBUG "Could not allocate coherent DMA buffer.\n");
-		goto fail;
-	}
-	printk(KERN_DEBUG "Allocated cache-coherent DMA buffer (virtual address = %p, bus address = 0x%016llx).\n",
-	       buffer_virt, (u64)buffer_bus);
-
-	/* fill first half of buffer with its virtual address as data */
-	for (i = 0; i < 4 * PAGE_SIZE; i += 4)
-#if 0
-		*(u32 *)(buffer_virt + i) = i / PAGE_SIZE + 1;
-#else
-		*(u32 *)(buffer_virt + i) = (u32)(unsigned long)(buffer_virt + i);
-#endif
-#if 0
-  compare((u32 *)buffer_virt, (u32 *)(buffer_virt + 2 * PAGE_SIZE), 8192);
-#endif
-
-#if 0
-	/* fill second half of buffer with zeroes */
-	for (i = 2 * PAGE_SIZE; i < 4 * PAGE_SIZE; i += 4)
-		*(u32 *)(buffer_virt + i) = 0;
-#endif
-
-	/* invalidate EPLAST, outside 0-255, 0xFADE is from the testbench */
-	ape->table_virt->w3 = cpu_to_le32(0x0000FADE);
-
-	/* fill in first descriptor */
-	n = 0;
-	/* read 8192 bytes from RC buffer to EP address 4096 */
-	ape_chdma_desc_set(&ape->table_virt->desc[n], buffer_bus, 4096, 2 * PAGE_SIZE);
-#if 1
-	for (i = 0; i < 255; i++)
-		ape_chdma_desc_set(&ape->table_virt->desc[i], buffer_bus, 4096, 2 * PAGE_SIZE);
-	/* index of last descriptor */
-	n = i - 1;
-#endif
-#if 0
-	/* fill in next descriptor */
-	n++;
-	/* read 1024 bytes from RC buffer to EP address 4096 + 1024 */
-	ape_chdma_desc_set(&ape->table_virt->desc[n], buffer_bus + 1024, 4096 + 1024, 1024);
-#endif
-
-#if 1
-	/* enable MSI after the last descriptor is completed */
-	if (ape->msi_enabled)
-		ape->table_virt->desc[n].w0 |= cpu_to_le32(1UL << 16)/*local MSI*/;
-#endif
-#if 0
-	/* dump descriptor table for debugging */
-	printk(KERN_DEBUG "Descriptor Table (Read, in Root Complex Memory, # = %d)\n", n + 1);
-	for (i = 0; i < 4 + (n + 1) * 4; i += 4) {
-		u32 *p = (u32 *)ape->table_virt;
-		p += i;
-		printk(KERN_DEBUG "0x%08x/0x%02x: 0x%08x (LEN=0x%x)\n", (u32)p, (u32)p & 15, *p, 4 * le32_to_cpu(*p));
-		p++;
-		printk(KERN_DEBUG "0x%08x/0x%02x: 0x%08x (EPA=0x%x)\n", (u32)p, (u32)p & 15, *p, le32_to_cpu(*p));
-		p++;
-		printk(KERN_DEBUG "0x%08x/0x%02x: 0x%08x (RCH=0x%x)\n", (u32)p, (u32)p & 15, *p, le32_to_cpu(*p));
-		p++;
-		printk(KERN_DEBUG "0x%08x/0x%02x: 0x%08x (RCL=0x%x)\n", (u32)p, (u32)p & 15, *p, le32_to_cpu(*p));
-	}
-#endif
-	/* set available number of descriptors in table */
-	w = (u32)(n + 1);
-	w |= (1UL << 18)/*global EPLAST_EN*/;
-#if 0
-	if (ape->msi_enabled)
-		w |= (1UL << 17)/*global MSI*/;
-#endif
-	printk(KERN_DEBUG "writing 0x%08x to 0x%p\n", w, (void *)&read_header->w0);
-	iowrite32(w, &read_header->w0);
-
-	/* write table address (higher 32-bits) */
-	printk(KERN_DEBUG "writing 0x%08x to 0x%p\n", (u32)((ape->table_bus >> 16) >> 16), (void *)&read_header->bdt_addr_h);
-	iowrite32(pci_dma_h(ape->table_bus), &read_header->bdt_addr_h);
-
-	/* write table address (lower 32-bits) */
-	printk(KERN_DEBUG "writing 0x%08x to 0x%p\n", (u32)(ape->table_bus & 0xffffffffUL), (void *)&read_header->bdt_addr_l);
-	iowrite32(pci_dma_l(ape->table_bus), &read_header->bdt_addr_l);
-
-	/* memory write barrier */
-	wmb();
-	printk(KERN_DEBUG "Flush posted writes\n");
-	/** FIXME Add dummy read to flush posted writes but need a readable location! */
-#if 0
-	(void)ioread32();
-#endif
-
-	/* remember IRQ count before the transfer */
-	irq_count = ape->irq_count;
-	/* write number of descriptors - this starts the DMA */
-	printk(KERN_DEBUG "\nStart DMA read\n");
-	printk(KERN_DEBUG "writing 0x%08x to 0x%p\n", (u32)n, (void *)&read_header->w3);
-	iowrite32(n, &read_header->w3);
-	printk(KERN_DEBUG "EPLAST = %lu\n", le32_to_cpu(*(u32 *)&ape->table_virt->w3) & 0xffffUL);
-
-	/** memory write barrier */
-	wmb();
-	/* dummy read to flush posted writes */
-	/* FIXME Need a readable location! */
-#if 0
-	(void)ioread32();
-#endif
-	printk(KERN_DEBUG "POLL FOR READ:\n");
-	/* poll for chain completion, 1000 times 1 millisecond */
-	for (i = 0; i < 100; i++) {
-		volatile u32 *p = &ape->table_virt->w3;
-		u32 eplast = le32_to_cpu(*p) & 0xffffUL;
-		printk(KERN_DEBUG "EPLAST = %u, n = %d\n", eplast, n);
-		if (eplast == n) {
-			printk(KERN_DEBUG "DONE\n");
-			/* print IRQ count before the transfer */
-			printk(KERN_DEBUG "#IRQs during transfer: %d\n", ape->irq_count - irq_count);
-			break;
-		}
-		udelay(100);
-	}
-
-	/* invalidate EPLAST, outside 0-255, 0xFADE is from the testbench */
-	ape->table_virt->w3 = cpu_to_le32(0x0000FADE);
-
-	/* setup first descriptor */
-	n = 0;
-	ape_chdma_desc_set(&ape->table_virt->desc[n], buffer_bus + 8192, 4096, 2 * PAGE_SIZE);
-#if 1
-	for (i = 0; i < 255; i++)
-		ape_chdma_desc_set(&ape->table_virt->desc[i], buffer_bus + 8192, 4096, 2 * PAGE_SIZE);
-
-	/* index of last descriptor */
-	n = i - 1;
-#endif
-#if 1 /* test variable, make a module option later */
-	if (ape->msi_enabled)
-		ape->table_virt->desc[n].w0 |= cpu_to_le32(1UL << 16)/*local MSI*/;
-#endif
-#if 0
-	/* dump descriptor table for debugging */
-	printk(KERN_DEBUG "Descriptor Table (Write, in Root Complex Memory, # = %d)\n", n + 1);
-	for (i = 0; i < 4 + (n + 1) * 4; i += 4) {
-		u32 *p = (u32 *)ape->table_virt;
-		p += i;
-		printk(KERN_DEBUG "0x%08x/0x%02x: 0x%08x (LEN=0x%x)\n", (u32)p, (u32)p & 15, *p, 4 * le32_to_cpu(*p));
-		p++;
-		printk(KERN_DEBUG "0x%08x/0x%02x: 0x%08x (EPA=0x%x)\n", (u32)p, (u32)p & 15, *p, le32_to_cpu(*p));
-		p++;
-		printk(KERN_DEBUG "0x%08x/0x%02x: 0x%08x (RCH=0x%x)\n", (u32)p, (u32)p & 15, *p, le32_to_cpu(*p));
-		p++;
-		printk(KERN_DEBUG "0x%08x/0x%02x: 0x%08x (RCL=0x%x)\n", (u32)p, (u32)p & 15, *p, le32_to_cpu(*p));
-	}
-#endif
-
-	/* set number of available descriptors in the table */
-	w = (u32)(n + 1);
-	/* enable updates of eplast for each descriptor completion */
-	w |= (u32)(1UL << 18)/*global EPLAST_EN*/;
-#if 0   /* test variable, make a module option later */
-	/* enable MSI for each descriptor completion */
-	if (ape->msi_enabled)
-		w |= (1UL << 17)/*global MSI*/;
-#endif
-	iowrite32(w, &write_header->w0);
-	iowrite32(pci_dma_h(ape->table_bus), &write_header->bdt_addr_h);
-	iowrite32(pci_dma_l(ape->table_bus), &write_header->bdt_addr_l);
-
-	/** memory write barrier and flush posted writes */
-	wmb();
-	/* dummy read to flush posted writes */
-	/* FIXME Need a readable location! */
-#if 0
-	(void)ioread32();
-#endif
-	irq_count = ape->irq_count;
-
-	printk(KERN_DEBUG "\nStart DMA write\n");
-	iowrite32(n, &write_header->w3);
-
-	/** memory write barrier */
-	wmb();
-	/** dummy read to flush posted writes */
-	/* (void) ioread32(); */
-
-	printk(KERN_DEBUG "POLL FOR WRITE:\n");
-	/* poll for completion, 1000 times 1 millisecond */
-	for (i = 0; i < 100; i++) {
-		volatile u32 *p = &ape->table_virt->w3;
-		u32 eplast = le32_to_cpu(*p) & 0xffffUL;
-		printk(KERN_DEBUG "EPLAST = %u, n = %d\n", eplast, n);
-		if (eplast == n) {
-			printk(KERN_DEBUG "DONE\n");
-			/* print IRQ count before the transfer */
-			printk(KERN_DEBUG "#IRQs during transfer: %d\n", ape->irq_count - irq_count);
-			break;
-		}
-		udelay(100);
-	}
-	/* soft-reset DMA write engine */
-	iowrite32(0x0000ffffUL, &write_header->w0);
-	/* soft-reset DMA read engine */
-	iowrite32(0x0000ffffUL, &read_header->w0);
-
-	/** memory write barrier */
-	wmb();
-	/* dummy read to flush posted writes */
-	/* FIXME Need a readable location! */
-#if 0
-	(void)ioread32();
-#endif
-	/* compare first half of buffer with second half, should be identical */
-	result = compare((u32 *)buffer_virt, (u32 *)(buffer_virt + 2 * PAGE_SIZE), 8192);
-	printk(KERN_DEBUG "DMA loop back test %s.\n", result ? "FAILED" : "PASSED");
-
-	pci_free_consistent(dev, 4 * PAGE_SIZE, buffer_virt, buffer_bus);
-fail:
-	printk(KERN_DEBUG "bar_tests() end, result %d\n", result);
-	return result;
-}
-
-/* Called when the PCI sub system thinks we can control the given device.
- * Inspect if we can support the device and if so take control of it.
- *
- * Return 0 when we have taken control of the given device.
- *
- * - allocate board specific bookkeeping
- * - allocate coherently-mapped memory for the descriptor table
- * - enable the board
- * - verify board revision
- * - request regions
- * - query DMA mask
- * - obtain and request irq
- * - map regions into kernel address space
- */
-static int __devinit probe(struct pci_dev *dev, const struct pci_device_id *id)
-{
-	int rc = 0;
-	struct ape_dev *ape = NULL;
-	u8 irq_pin, irq_line;
-	printk(KERN_DEBUG "probe(dev = 0x%p, pciid = 0x%p)\n", dev, id);
-
-	/* allocate memory for per-board book keeping */
-	ape = kzalloc(sizeof(struct ape_dev), GFP_KERNEL);
-	if (!ape) {
-		printk(KERN_DEBUG "Could not kzalloc()ate memory.\n");
-		goto err_ape;
-	}
-	ape->pci_dev = dev;
-	dev_set_drvdata(&dev->dev, ape);
-	printk(KERN_DEBUG "probe() ape = 0x%p\n", ape);
-
-	printk(KERN_DEBUG "sizeof(struct ape_chdma_table) = %d.\n",
-		(int)sizeof(struct ape_chdma_table));
-	/* the reference design has a size restriction on the table size */
-	BUG_ON(sizeof(struct ape_chdma_table) > APE_CHDMA_TABLE_SIZE);
-
-	/* allocate and map coherently-cached memory for a descriptor table */
-	/* @see LDD3 page 446 */
-	ape->table_virt = (struct ape_chdma_table *)pci_alloc_consistent(dev,
-		APE_CHDMA_TABLE_SIZE, &ape->table_bus);
-	/* could not allocate table? */
-	if (!ape->table_virt) {
-		printk(KERN_DEBUG "Could not dma_alloc()ate_coherent memory.\n");
-		goto err_table;
-	}
-
-	printk(KERN_DEBUG "table_virt = %p, table_bus = 0x%16llx.\n",
-		ape->table_virt, (u64)ape->table_bus);
-
-	/* enable device */
-	rc = pci_enable_device(dev);
-	if (rc) {
-		printk(KERN_DEBUG "pci_enable_device() failed\n");
-		goto err_enable;
-	}
-
-	/* enable bus master capability on device */
-	pci_set_master(dev);
-	/* enable message signaled interrupts */
-	rc = pci_enable_msi(dev);
-	/* could not use MSI? */
-	if (rc) {
-		/* resort to legacy interrupts */
-		printk(KERN_DEBUG "Could not enable MSI interrupting.\n");
-		ape->msi_enabled = 0;
-	/* MSI enabled, remember for cleanup */
-	} else {
-		printk(KERN_DEBUG "Enabled MSI interrupting.\n");
-		ape->msi_enabled = 1;
-	}
-
-	pci_read_config_byte(dev, PCI_REVISION_ID, &ape->revision);
-#if 0 /* example */
-	/* (for example) this driver does not support revision 0x42 */
-    if (ape->revision == 0x42) {
-		printk(KERN_DEBUG "Revision 0x42 is not supported by this driver.\n");
-		rc = -ENODEV;
-		goto err_rev;
-	}
-#endif
-	/** XXX check for native or legacy PCIe endpoint? */
-
-	rc = pci_request_regions(dev, DRV_NAME);
-	/* could not request all regions? */
-	if (rc) {
-		/* assume device is in use (and do not disable it later!) */
-		ape->in_use = 1;
-		goto err_regions;
-	}
-	ape->got_regions = 1;
-
-#if 1   /* @todo For now, disable 64-bit, because I do not understand the implications (DAC!) */
-	/* query for DMA transfer */
-	/* @see Documentation/PCI/PCI-DMA-mapping.txt */
-	if (!pci_set_dma_mask(dev, DMA_BIT_MASK(64))) {
-		pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(64));
-		/* use 64-bit DMA */
-		printk(KERN_DEBUG "Using a 64-bit DMA mask.\n");
-	} else
-#endif
-	if (!pci_set_dma_mask(dev, DMA_BIT_MASK(32))) {
-		printk(KERN_DEBUG "Could not set 64-bit DMA mask.\n");
-		pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(32));
-		/* use 32-bit DMA */
-		printk(KERN_DEBUG "Using a 32-bit DMA mask.\n");
-	} else {
-		printk(KERN_DEBUG "No suitable DMA possible.\n");
-		/** @todo Choose proper error return code */
-		rc = -1;
-		goto err_mask;
-	}
-
-	rc = pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &irq_pin);
-	/* could not read? */
-	if (rc)
-		goto err_irq;
-	printk(KERN_DEBUG "IRQ pin #%d (0=none, 1=INTA#...4=INTD#).\n", irq_pin);
-
-	/* @see LDD3, page 318 */
-	rc = pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq_line);
-	/* could not read? */
-	if (rc) {
-		printk(KERN_DEBUG "Could not query PCI_INTERRUPT_LINE, error %d\n", rc);
-		goto err_irq;
-	}
-	printk(KERN_DEBUG "IRQ line #%d.\n", irq_line);
-#if 1
-	irq_line = dev->irq;
-	/* @see LDD3, page 259 */
-	rc = request_irq(irq_line, altpciechdma_isr, IRQF_SHARED, DRV_NAME, (void *)ape);
-	if (rc) {
-		printk(KERN_DEBUG "Could not request IRQ #%d, error %d\n", irq_line, rc);
-		ape->irq_line = -1;
-		goto err_irq;
-	}
-	/* remember which irq we allocated */
-	ape->irq_line = (int)irq_line;
-	printk(KERN_DEBUG "Succesfully requested IRQ #%d with dev_id 0x%p\n", irq_line, ape);
-#endif
-	/* show BARs */
-	scan_bars(ape, dev);
-	/* map BARs */
-	rc = map_bars(ape, dev);
-	if (rc)
-		goto err_map;
-#if ALTPCIECHDMA_CDEV
-	/* initialize character device */
-	rc = sg_init(ape);
-	if (rc)
-		goto err_cdev;
-#endif
-	/* perform DMA engines loop back test */
-	rc = dma_test(ape, dev);
-	(void)rc;
-	/* successfully took the device */
-	rc = 0;
-	printk(KERN_DEBUG "probe() successful.\n");
-	goto end;
-#if ALTPCIECHDMA_CDEV
-err_cdev:
-	/* unmap the BARs */
-	unmap_bars(ape, dev);
-#endif
-err_map:
-	/* free allocated irq */
-	if (ape->irq_line >= 0)
-		free_irq(ape->irq_line, (void *)ape);
-err_irq:
-	if (ape->msi_enabled)
-		pci_disable_msi(dev);
-	/* disable the device iff it is not in use */
-	if (!ape->in_use)
-		pci_disable_device(dev);
-	if (ape->got_regions)
-		pci_release_regions(dev);
-err_mask:
-err_regions:
-/*err_rev:*/
-/* clean up everything before device enable() */
-err_enable:
-	if (ape->table_virt)
-		pci_free_consistent(dev, APE_CHDMA_TABLE_SIZE, ape->table_virt, ape->table_bus);
-/* clean up everything before allocating descriptor table */
-err_table:
-	if (ape)
-		kfree(ape);
-err_ape:
-end:
-	return rc;
-}
-
-static void __devexit remove(struct pci_dev *dev)
-{
-	struct ape_dev *ape = dev_get_drvdata(&dev->dev);
-
-	printk(KERN_DEBUG "remove(0x%p)\n", dev);
-	printk(KERN_DEBUG "remove(dev = 0x%p) where ape = 0x%p\n", dev, ape);
-
-	/* remove character device */
-#if ALTPCIECHDMA_CDEV
-	sg_exit(ape);
-#endif
-
-	if (ape->table_virt)
-		pci_free_consistent(dev, APE_CHDMA_TABLE_SIZE, ape->table_virt, ape->table_bus);
-
-	/* free IRQ
-	 * @see LDD3 page 279
-	 */
-	if (ape->irq_line >= 0) {
-		printk(KERN_DEBUG "Freeing IRQ #%d for dev_id 0x%08lx.\n",
-		ape->irq_line, (unsigned long)ape);
-		free_irq(ape->irq_line, (void *)ape);
-	}
-	/* MSI was enabled? */
-	if (ape->msi_enabled) {
-		/* Disable MSI @see Documentation/MSI-HOWTO.txt */
-		pci_disable_msi(dev);
-		ape->msi_enabled = 0;
-	}
-	/* unmap the BARs */
-	unmap_bars(ape, dev);
-	if (!ape->in_use)
-		pci_disable_device(dev);
-	if (ape->got_regions)
-		/* to be called after device disable */
-		pci_release_regions(dev);
-}
-
-#if ALTPCIECHDMA_CDEV
-
-/*
- * Called when the device goes from unused to used.
- */
-static int sg_open(struct inode *inode, struct file *file)
-{
-	struct ape_dev *ape;
-	printk(KERN_DEBUG DRV_NAME "_open()\n");
-	/* pointer to containing data structure of the character device inode */
-	ape = container_of(inode->i_cdev, struct ape_dev, cdev);
-	/* create a reference to our device state in the opened file */
-	file->private_data = ape;
-	/* create virtual memory mapper */
-	ape->sgm = sg_create_mapper(MAX_CHDMA_SIZE);
-	return 0;
-}
-
-/*
- * Called when the device goes from used to unused.
- */
-static int sg_close(struct inode *inode, struct file *file)
-{
-	/* fetch device specific data stored earlier during open */
-	struct ape_dev *ape = (struct ape_dev *)file->private_data;
-	printk(KERN_DEBUG DRV_NAME "_close()\n");
-	/* destroy virtual memory mapper */
-	sg_destroy_mapper(ape->sgm);
-	return 0;
-}
-
-static ssize_t sg_read(struct file *file, char __user *buf, size_t count, loff_t *pos)
-{
-	/* fetch device specific data stored earlier during open */
-	struct ape_dev *ape = (struct ape_dev *)file->private_data;
-	(void)ape;
-	printk(KERN_DEBUG DRV_NAME "_read(buf=0x%p, count=%lld, pos=%llu)\n", buf, (s64)count, (u64)*pos);
-	return count;
-}
-
-/* sg_write() - Write to the device
- *
- * @buf userspace buffer
- * @count number of bytes in the userspace buffer
- *
- * Iterate over the userspace buffer, taking at most 255 * PAGE_SIZE bytes for
- * each DMA transfer.
- *   For each transfer, get the user pages, build a sglist, map, build a
- *   descriptor table. submit the transfer. wait for the interrupt handler
- *   to wake us on completion.
- */
-static ssize_t sg_write(struct file *file, const char __user *buf, size_t count, loff_t *pos)
-{
-	int hwnents, tents;
-	size_t transfer_len, remaining = count, done = 0;
-	u64 transfer_addr = (u64)buf;
-	/* fetch device specific data stored earlier during open */
-	struct ape_dev *ape = (struct ape_dev *)file->private_data;
-	printk(KERN_DEBUG DRV_NAME "_write(buf=0x%p, count=%lld, pos=%llu)\n",
-		buf, (s64)count, (u64)*pos);
-	/* TODO transfer boundaries at PAGE_SIZE granularity */
-	while (remaining > 0) {
-		/* limit DMA transfer size */
-		transfer_len = (remaining < APE_CHDMA_MAX_TRANSFER_LEN) ? remaining :
-			APE_CHDMA_MAX_TRANSFER_LEN;
-		/* get all user space buffer pages and create a scattergather list */
-		sgm_map_user_pages(ape->sgm, transfer_addr, transfer_len, 0/*read from userspace*/);
-		printk(KERN_DEBUG DRV_NAME "mapped_pages=%d\n", ape->sgm->mapped_pages);
-		/* map all entries in the scattergather list */
-		hwnents = pci_map_sg(ape->pci_dev, ape->sgm->sgl, ape->sgm->mapped_pages, DMA_TO_DEVICE);
-		printk(KERN_DEBUG DRV_NAME "hwnents=%d\n", hwnents);
-		/* build device descriptor tables and submit them to the DMA engine */
-		tents = ape_sg_to_chdma_table(ape->sgm->sgl, hwnents, 0, &ape->table_virt->desc[0], 4096);
-		printk(KERN_DEBUG DRV_NAME "tents=%d\n", hwnents);
-#if 0
-		while (tables) {
-			/* TODO build table */
-			/* TODO submit table to the device */
-			/* if engine stopped and unfinished work then start engine */
-		}
-		put ourselves on wait queue
-#endif
-
-		dma_unmap_sg(NULL, ape->sgm->sgl, ape->sgm->mapped_pages, DMA_TO_DEVICE);
-		/* dirty and free the pages */
-		sgm_unmap_user_pages(ape->sgm, 1/*dirtied*/);
-		/* book keeping */
-		transfer_addr += transfer_len;
-		remaining -= transfer_len;
-		done += transfer_len;
-	}
-	return done;
-}
-
-/*
- * character device file operations
- */
-static const struct file_operations sg_fops = {
-	.owner = THIS_MODULE,
-	.open = sg_open,
-	.release = sg_close,
-	.read = sg_read,
-	.write = sg_write,
-};
-
-/* sg_init() - Initialize character device
- *
- * XXX Should ideally be tied to the device, on device probe, not module init.
- */
-static int sg_init(struct ape_dev *ape)
-{
-	int rc;
-	printk(KERN_DEBUG DRV_NAME " sg_init()\n");
-	/* allocate a dynamically allocated character device node */
-	rc = alloc_chrdev_region(&ape->cdevno, 0/*requested minor*/, 1/*count*/, DRV_NAME);
-	/* allocation failed? */
-	if (rc < 0) {
-		printk("alloc_chrdev_region() = %d\n", rc);
-		goto fail_alloc;
-	}
-	/* couple the device file operations to the character device */
-	cdev_init(&ape->cdev, &sg_fops);
-	ape->cdev.owner = THIS_MODULE;
-	/* bring character device live */
-	rc = cdev_add(&ape->cdev, ape->cdevno, 1/*count*/);
-	if (rc < 0) {
-		printk("cdev_add() = %d\n", rc);
-		goto fail_add;
-	}
-	printk(KERN_DEBUG "altpciechdma = %d:%d\n", MAJOR(ape->cdevno), MINOR(ape->cdevno));
-	return 0;
-fail_add:
-	/* free the dynamically allocated character device node */
-    unregister_chrdev_region(ape->cdevno, 1/*count*/);
-fail_alloc:
-	return -1;
-}
-
-/* sg_exit() - Cleanup character device
- *
- * XXX Should ideally be tied to the device, on device remove, not module exit.
- */
-
-static void sg_exit(struct ape_dev *ape)
-{
-	printk(KERN_DEBUG DRV_NAME " sg_exit()\n");
-	/* remove the character device */
-	cdev_del(&ape->cdev);
-	/* free the dynamically allocated character device node */
-	unregister_chrdev_region(ape->cdevno, 1/*count*/);
-}
-
-#endif /* ALTPCIECHDMA_CDEV */
-
-/* used to register the driver with the PCI kernel sub system
- * @see LDD3 page 311
- */
-static struct pci_driver pci_driver = {
-	.name = DRV_NAME,
-	.id_table = ids,
-	.probe = probe,
-	.remove = __devexit_p(remove),
-	/* resume, suspend are optional */
-};
-
-/**
- * alterapciechdma_init() - Module initialization, registers devices.
- */
-static int __init alterapciechdma_init(void)
-{
-	int rc = 0;
-	printk(KERN_DEBUG DRV_NAME " init(), built at " __DATE__ " " __TIME__ "\n");
-	/* register this driver with the PCI bus driver */
-	rc = pci_register_driver(&pci_driver);
-	if (rc < 0)
-		return rc;
-	return 0;
-}
-
-/**
- * alterapciechdma_init() - Module cleanup, unregisters devices.
- */
-static void __exit alterapciechdma_exit(void)
-{
-	printk(KERN_DEBUG DRV_NAME " exit(), built at " __DATE__ " " __TIME__ "\n");
-	/* unregister this driver from the PCI bus driver */
-	pci_unregister_driver(&pci_driver);
-}
-
-MODULE_LICENSE("GPL");
-
-module_init(alterapciechdma_init);
-module_exit(alterapciechdma_exit);
-
diff --git a/drivers/staging/arlan/Makefile b/drivers/staging/arlan/Makefile
index 9e58e5fae7b9..5a84d4402f21 100644
--- a/drivers/staging/arlan/Makefile
+++ b/drivers/staging/arlan/Makefile
@@ -1,3 +1,3 @@
-obj-$(CONFIG_ARLAN) += arlan.o 
+obj-$(CONFIG_ARLAN) += arlan.o
 
 arlan-objs := arlan-main.o arlan-proc.o
diff --git a/drivers/staging/arlan/arlan.h b/drivers/staging/arlan/arlan.h
index fb3ad51a1caf..ffcd3ea048aa 100644
--- a/drivers/staging/arlan/arlan.h
+++ b/drivers/staging/arlan/arlan.h
@@ -1,6 +1,6 @@
 /*
  *  Copyright (C) 1997 Cullen Jennings
- *  Copyright (C) 1998 Elmer.Joandi@ut.ee, +37-255-13500	
+ *  Copyright (C) 1998 Elmer.Joandi@ut.ee, +37-255-13500
  *  GNU General Public License applies
  */
 
@@ -20,14 +20,14 @@
 #include <linux/init.h>
 #include <linux/bitops.h>
 #include <asm/system.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <linux/errno.h>
 #include <linux/delay.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 
 
-//#define ARLAN_DEBUGGING 1
+/* #define ARLAN_DEBUGGING 1 */
 
 #define ARLAN_PROC_INTERFACE
 #define MAX_ARLANS 4 /* not more than 4 ! */
@@ -51,8 +51,8 @@ extern int	arlan_debug;
 extern int	arlan_entry_debug;
 extern int	arlan_exit_debug;
 extern int	testMemory;
-extern int     arlan_command(struct net_device * dev, int command);
- 
+extern int     arlan_command(struct net_device *dev, int command);
+
 #define SIDUNKNOWN -1
 #define radioNodeIdUNKNOWN -1
 #define irqUNKNOWN 0
@@ -65,22 +65,21 @@ extern int     arlan_command(struct net_device * dev, int command);
 #define registrationModeUNKNOWN -1
 
 
-#define IFDEBUG( L ) if ( (L) & arlan_debug ) 
-#define ARLAN_FAKE_HDR_LEN 12 
+#define IFDEBUG(L) if ((L) & arlan_debug)
+#define ARLAN_FAKE_HDR_LEN 12
 
 #ifdef ARLAN_DEBUGGING
 	#define DEBUG 1
 	#define ARLAN_ENTRY_EXIT_DEBUGGING 1
-	#define ARLAN_DEBUG(a,b) printk(KERN_DEBUG a, b)
+	#define ARLAN_DEBUG(a, b) printk(KERN_DEBUG a, b)
 #else
-	#define ARLAN_DEBUG(a,b) 
+	#define ARLAN_DEBUG(a, b)
 #endif
 
 #define ARLAN_SHMEM_SIZE	0x2000
 
-struct arlan_shmem
-{
-      /* Header Signature */ 
+struct arlan_shmem {
+      /* Header Signature */
       volatile	char textRegion[48];
       volatile	u_char resetFlag;
       volatile	u_char  diagnosticInfo;
@@ -91,10 +90,10 @@ struct arlan_shmem
       volatile	u_char hardwareType;
       volatile	u_char majorHardwareVersion;
       volatile	u_char minorHardwareVersion;
-      volatile	u_char radioModule;// shows EEPROM, can be overridden at 0x111
-      volatile	u_char defaultChannelSet; // shows EEProm, can be overriiden at 0x10A
+      volatile	u_char radioModule;/* shows EEPROM, can be overridden at 0x111 */
+      volatile	u_char defaultChannelSet; /* shows EEProm, can be overriiden at 0x10A */
       volatile	u_char _2[47];
-      
+
       /* Control/Status Block - 0x0080 */
       volatile	u_char interruptInProgress; /* not used by lancpu */
       volatile	u_char cntrlRegImage; /* not used by lancpu */
@@ -113,7 +112,7 @@ struct arlan_shmem
       volatile	u_char rxQuality;
       volatile	u_char scrambled;
       volatile	u_char _4[1];
-      
+
       /* Transmit Status - 0x00b0 */
       volatile	u_char txStatus;
       volatile	u_char txAckQuality;
@@ -151,7 +150,7 @@ struct arlan_shmem
       volatile	u_short routerId;
       volatile	u_char _10[9];
       volatile	u_char txAttenuation;
-      volatile	u_char systemId[4]; 
+      volatile	u_char systemId[4];
       volatile	u_short globalChecksum;
       volatile	u_char _11[4];
       volatile	u_short maxDatagramSize;
@@ -207,19 +206,19 @@ struct arlan_shmem
       volatile	u_char hostcpuLock;
       volatile	u_char lancpuLock;
       volatile	u_char resetTime[18];
-      
+
       volatile	u_char numDatagramsTransmitted[4];
       volatile	u_char numReTransmissions[4];
       volatile	u_char numFramesDiscarded[4];
       volatile	u_char numDatagramsReceived[4];
       volatile	u_char numDuplicateReceivedFrames[4];
       volatile	u_char numDatagramsDiscarded[4];
-      
+
       volatile	u_short maxNumReTransmitDatagram;
       volatile	u_short maxNumReTransmitFrames;
       volatile	u_short maxNumConsecutiveDuplicateFrames;
       /* misaligned here so we have to go to characters */
-     
+
       volatile	u_char numBytesTransmitted[4];
       volatile	u_char numBytesReceived[4];
       volatile	u_char numCRCErrors[4];
@@ -259,7 +258,7 @@ struct arlan_conf_stru {
       int channelNumber;
       int scramblingDisable;
       int txAttenuation;
-      int systemId; 
+      int systemId;
       int maxDatagramSize;
       int maxFrameSize;
       int maxRetries;
@@ -316,8 +315,7 @@ struct arlan_conf_stru {
 
 extern struct arlan_conf_stru arlan_conf[MAX_ARLANS];
 
-struct TxParam
-{
+struct TxParam {
       volatile	short 		offset;
       volatile 	short 		length;
       volatile	u_char 		dest[6];
@@ -330,12 +328,12 @@ struct TxParam
 #define TX_RING_SIZE 2
 /* Information that need to be kept for each board. */
 struct arlan_private {
-      struct arlan_shmem __iomem * card;
-      struct arlan_shmem * conf;
+      struct arlan_shmem __iomem *card;
+      struct arlan_shmem *conf;
 
-      struct arlan_conf_stru * Conf;	     
+      struct arlan_conf_stru *Conf;
       int	bad;
-      int 	reset;
+      int	reset;
       unsigned long lastReset;
       struct timer_list timer;
       struct timer_list tx_delay_timer;
@@ -407,38 +405,38 @@ struct arlan_private {
 
 #define TXBuffStart(dev) offsetof(struct arlan_shmem, txBuffer)
 #define TXBuffEnd(dev) offsetof(struct arlan_shmem, xxBuffer)
- 
-#define READSHM(to,from,atype) {\
+
+#define READSHM(to, from, atype) {\
 	atype tmp;\
-	memcpy_fromio(&(tmp),&(from),sizeof(atype));\
+	memcpy_fromio(&(tmp), &(from), sizeof(atype));\
 	to = tmp;\
 	}
 
-#define READSHMEM(from,atype)\
+#define READSHMEM(from, atype)\
 	atype from; \
 	READSHM(from, arlan->from, atype);
 
-#define WRITESHM(to,from,atype) \
+#define WRITESHM(to, from, atype) \
 	{ atype tmpSHM = from;\
-	memcpy_toio(&(to),&tmpSHM,sizeof(atype));\
+	memcpy_toio(&(to), &tmpSHM, sizeof(atype));\
 	}
 
-#define DEBUGSHM(levelSHM,stringSHM,stuff,atype) \
+#define DEBUGSHM(levelSHM, stringSHM, stuff, atype) \
 	{	atype tmpSHM; \
-		memcpy_fromio(&tmpSHM,&(stuff),sizeof(atype));\
-		IFDEBUG(levelSHM) printk(stringSHM,tmpSHM);\
+		memcpy_fromio(&tmpSHM, &(stuff), sizeof(atype));\
+		IFDEBUG(levelSHM) printk(stringSHM, tmpSHM);\
 	}
 
 #define WRITESHMB(to, val) \
-	writeb(val,&(to))
+	writeb(val, &(to))
 #define READSHMB(to) \
 	readb(&(to))
 #define WRITESHMS(to, val) \
-	writew(val,&(to))
+	writew(val, &(to))
 #define READSHMS(to) \
 	readw(&(to))
 #define WRITESHMI(to, val) \
-	writel(val,&(to))
+	writel(val, &(to))
 #define READSHMI(to) \
 	readl(&(to))
 
@@ -447,51 +445,51 @@ struct arlan_private {
 
 
 #define registrationBad(dev)\
-   ( (   READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationMode)    > 0) && \
-     (   READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationStatus) == 0)    )
+    ((   READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationMode)    > 0) && \
+     (   READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationStatus) == 0))
 
 
 #define readControlRegister(dev)\
- 	READSHMB(((struct arlan_private *)netdev_priv(dev))->card->cntrlRegImage)
+	READSHMB(((struct arlan_private *)netdev_priv(dev))->card->cntrlRegImage)
 
-#define writeControlRegister(dev, v){\
-   WRITESHMB(((struct arlan_private *)netdev_priv(dev))->card->cntrlRegImage	,((v) &0xF) );\
-   WRITESHMB(((struct arlan_private *)netdev_priv(dev))->card->controlRegister	,(v) 	);}
+#define writeControlRegister(dev, v) {\
+   WRITESHMB(((struct arlan_private *)netdev_priv(dev))->card->cntrlRegImage, ((v) & 0xF));\
+   WRITESHMB(((struct arlan_private *)netdev_priv(dev))->card->controlRegister, (v)); }
 
 
 #define arlan_interrupt_lancpu(dev) {\
    int cr;   \
    \
    cr = readControlRegister(dev);\
-   if (cr & ARLAN_CHANNEL_ATTENTION){ \
+   if (cr & ARLAN_CHANNEL_ATTENTION) { \
       writeControlRegister(dev, (cr & ~ARLAN_CHANNEL_ATTENTION));\
-   }else  \
+   } else  \
       writeControlRegister(dev, (cr | ARLAN_CHANNEL_ATTENTION));\
 }
 
-#define clearChannelAttention(dev){ \
-   writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_CHANNEL_ATTENTION);}
+#define clearChannelAttention(dev) { \
+   writeControlRegister(dev, readControlRegister(dev) & ~ARLAN_CHANNEL_ATTENTION); }
 #define setHardwareReset(dev) {\
-   writeControlRegister(dev,readControlRegister(dev) | ARLAN_RESET);}
+   writeControlRegister(dev, readControlRegister(dev) | ARLAN_RESET); }
 #define clearHardwareReset(dev) {\
-   writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_RESET);}
-#define setInterruptEnable(dev){\
-   writeControlRegister(dev,readControlRegister(dev) | ARLAN_INTERRUPT_ENABLE)  ;}
-#define clearInterruptEnable(dev){\
-   writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_INTERRUPT_ENABLE)  ;}
-#define setClearInterrupt(dev){\
-   writeControlRegister(dev,readControlRegister(dev) | ARLAN_CLEAR_INTERRUPT)   ;}
-#define clearClearInterrupt(dev){\
-   writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_CLEAR_INTERRUPT);}
-#define setPowerOff(dev){\
-   writeControlRegister(dev,readControlRegister(dev) | (ARLAN_POWER && ARLAN_ACCESS));\
-   writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_ACCESS);}
-#define setPowerOn(dev){\
-   writeControlRegister(dev,readControlRegister(dev) & ~(ARLAN_POWER));   }
-#define arlan_lock_card_access(dev){\
-   writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_ACCESS);}
-#define arlan_unlock_card_access(dev){\
-   writeControlRegister(dev,readControlRegister(dev) | ARLAN_ACCESS ); }  
+   writeControlRegister(dev, readControlRegister(dev) & ~ARLAN_RESET); }
+#define setInterruptEnable(dev) {\
+   writeControlRegister(dev, readControlRegister(dev) | ARLAN_INTERRUPT_ENABLE)  ; }
+#define clearInterruptEnable(dev) {\
+   writeControlRegister(dev, readControlRegister(dev) & ~ARLAN_INTERRUPT_ENABLE)  ; }
+#define setClearInterrupt(dev) {\
+   writeControlRegister(dev, readControlRegister(dev) | ARLAN_CLEAR_INTERRUPT)   ; }
+#define clearClearInterrupt(dev) {\
+   writeControlRegister(dev, readControlRegister(dev) & ~ARLAN_CLEAR_INTERRUPT); }
+#define setPowerOff(dev) {\
+   writeControlRegister(dev, readControlRegister(dev) | (ARLAN_POWER && ARLAN_ACCESS));\
+   writeControlRegister(dev, readControlRegister(dev) & ~ARLAN_ACCESS); }
+#define setPowerOn(dev) {\
+   writeControlRegister(dev, readControlRegister(dev) & ~(ARLAN_POWER)); }
+#define arlan_lock_card_access(dev) {\
+   writeControlRegister(dev, readControlRegister(dev) & ~ARLAN_ACCESS); }
+#define arlan_unlock_card_access(dev) {\
+   writeControlRegister(dev, readControlRegister(dev) | ARLAN_ACCESS); }
 
 
 
@@ -525,7 +523,6 @@ struct arlan_private {
 					| ARLAN_COMMAND_RESET)
 
 
- 
 #define ARLAN_DEBUG_CHAIN_LOCKS		0x00001
 #define ARLAN_DEBUG_RESET		0x00002
 #define ARLAN_DEBUG_TIMING		0x00004
@@ -536,4 +533,3 @@ struct arlan_private {
 #define ARLAN_DEBUG_INTERRUPT		0x00080
 #define ARLAN_DEBUG_STARTUP		0x00100
 #define ARLAN_DEBUG_SHUTDOWN		0x00200
- 
diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c
index 43c57b7688ab..7ebecc92c61b 100644
--- a/drivers/staging/asus_oled/asus_oled.c
+++ b/drivers/staging/asus_oled/asus_oled.c
@@ -52,6 +52,10 @@
 #define ASUS_OLED_DISP_HEIGHT		32
 #define ASUS_OLED_PACKET_BUF_SIZE	256
 
+#define USB_VENDOR_ID_ASUS      0x0b05
+#define USB_DEVICE_ID_ASUS_LCM      0x1726
+#define USB_DEVICE_ID_ASUS_LCM2     0x175b
+
 MODULE_AUTHOR("Jakub Schmidtke, sjakub@gmail.com");
 MODULE_DESCRIPTION("Asus OLED Driver v" ASUS_OLED_VERSION);
 MODULE_LICENSE("GPL");
@@ -83,18 +87,20 @@ struct oled_dev_desc_str {
 };
 
 /* table of devices that work with this driver */
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
 	/* Asus G1/G2 (and variants)*/
-	{ USB_DEVICE(0x0b05, 0x1726) },
+	{ USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM) },
 	/* Asus G50V (and possibly others - G70? G71?)*/
-	{ USB_DEVICE(0x0b05, 0x175b) },
+	{ USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM2) },
 	{ },
 };
 
 /* parameters of specific devices */
 static struct oled_dev_desc_str oled_dev_desc_table[] = {
-	{ 0x0b05, 0x1726, 128, PACK_MODE_G1, "G1/G2" },
-	{ 0x0b05, 0x175b, 256, PACK_MODE_G50, "G50" },
+	{ USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM, 128, PACK_MODE_G1,
+		"G1/G2" },
+	{ USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_LCM2, 256, PACK_MODE_G50,
+		"G50" },
 	{ },
 };
 
@@ -424,6 +430,11 @@ static ssize_t odev_set_picture(struct asus_oled_dev *odev,
 
 		kfree(odev->buf);
 		odev->buf = kmalloc(odev->buf_size, GFP_KERNEL);
+		if (odev->buf == NULL) {
+			odev->buf_size = 0;
+			printk(ASUS_OLED_ERROR "Out of memory!\n");
+			return -ENOMEM;
+		}
 
 		memset(odev->buf, 0xff, odev->buf_size);
 
@@ -759,13 +770,8 @@ static struct usb_driver oled_driver = {
 	.id_table =	id_table,
 };
 
-static ssize_t version_show(struct class *dev, char *buf)
-{
-	return sprintf(buf, ASUS_OLED_UNDERSCORE_NAME " %s\n",
-		       ASUS_OLED_VERSION);
-}
-
-static CLASS_ATTR(version, S_IRUGO, version_show, NULL);
+static CLASS_ATTR_STRING(version, S_IRUGO,
+		 	ASUS_OLED_UNDERSCORE_NAME " " ASUS_OLED_VERSION);
 
 static int __init asus_oled_init(void)
 {
@@ -777,7 +783,7 @@ static int __init asus_oled_init(void)
 		return PTR_ERR(oled_class);
 	}
 
-	retval = class_create_file(oled_class, &class_attr_version);
+	retval = class_create_file(oled_class, &class_attr_version.attr);
 	if (retval) {
 		err("Error creating class version file");
 		goto error;
@@ -799,7 +805,7 @@ error:
 
 static void __exit asus_oled_exit(void)
 {
-	class_remove_file(oled_class, &class_attr_version);
+	class_remove_file(oled_class, &class_attr_version.attr);
 	class_destroy(oled_class);
 
 	usb_deregister(&oled_driver);
diff --git a/drivers/staging/b3dfg/Kconfig b/drivers/staging/b3dfg/Kconfig
deleted file mode 100644
index 9e6573cf97d3..000000000000
--- a/drivers/staging/b3dfg/Kconfig
+++ /dev/null
@@ -1,10 +0,0 @@
-config B3DFG
-       tristate "Brontes 3d Frame Framegrabber"
-       depends on PCI
-       default n
-       ---help---
-         This driver provides support for the Brontes 3d Framegrabber
-         PCI card.
-
-         To compile this driver as a module, choose M here. The module
-         will be called b3dfg.
diff --git a/drivers/staging/b3dfg/Makefile b/drivers/staging/b3dfg/Makefile
deleted file mode 100644
index 91f439ffc174..000000000000
--- a/drivers/staging/b3dfg/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_B3DFG) += b3dfg.o
diff --git a/drivers/staging/b3dfg/TODO b/drivers/staging/b3dfg/TODO
deleted file mode 100644
index f5a9298b9ac1..000000000000
--- a/drivers/staging/b3dfg/TODO
+++ /dev/null
@@ -1,4 +0,0 @@
-
- - queue/wait buffer presents filltime results for each frame?
- - counting of dropped frames
- - review endianness
diff --git a/drivers/staging/b3dfg/b3dfg.c b/drivers/staging/b3dfg/b3dfg.c
deleted file mode 100644
index 4a43c51c172a..000000000000
--- a/drivers/staging/b3dfg/b3dfg.c
+++ /dev/null
@@ -1,1100 +0,0 @@
- /*
- * Brontes PCI frame grabber driver
- *
- * Copyright (C) 2008 3M Company
- * Contact: Justin Bronder <jsbronder@brontes3d.com>
- * Original Authors: Daniel Drake <ddrake@brontes3d.com>
- *                   Duane Griffin <duaneg@dghda.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include <linux/device.h>
-#include <linux/fs.h>
-#include <linux/interrupt.h>
-#include <linux/spinlock.h>
-#include <linux/ioctl.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/pci.h>
-#include <linux/types.h>
-#include <linux/cdev.h>
-#include <linux/list.h>
-#include <linux/poll.h>
-#include <linux/wait.h>
-#include <linux/mm.h>
-#include <linux/uaccess.h>
-#include <linux/sched.h>
-
-static unsigned int b3dfg_nbuf = 2;
-
-module_param_named(buffer_count, b3dfg_nbuf, uint, 0444);
-
-MODULE_PARM_DESC(buffer_count, "Number of buffers (min 2, default 2)");
-
-MODULE_AUTHOR("Daniel Drake <ddrake@brontes3d.com>");
-MODULE_DESCRIPTION("Brontes frame grabber driver");
-MODULE_LICENSE("GPL");
-
-#define DRIVER_NAME "b3dfg"
-#define B3DFG_MAX_DEVS 4
-#define B3DFG_FRAMES_PER_BUFFER 3
-
-#define B3DFG_BAR_REGS	0
-#define B3DFG_REGS_LENGTH 0x10000
-
-#define B3DFG_IOC_MAGIC		0xb3 /* dfg :-) */
-#define B3DFG_IOCGFRMSZ		_IOR(B3DFG_IOC_MAGIC, 1, int)
-#define B3DFG_IOCTNUMBUFS	_IO(B3DFG_IOC_MAGIC, 2)
-#define B3DFG_IOCTTRANS		_IO(B3DFG_IOC_MAGIC, 3)
-#define B3DFG_IOCTQUEUEBUF	_IO(B3DFG_IOC_MAGIC, 4)
-#define B3DFG_IOCTPOLLBUF	_IOWR(B3DFG_IOC_MAGIC, 5, struct b3dfg_poll)
-#define B3DFG_IOCTWAITBUF	_IOWR(B3DFG_IOC_MAGIC, 6, struct b3dfg_wait)
-#define B3DFG_IOCGWANDSTAT	_IOR(B3DFG_IOC_MAGIC, 7, int)
-
-enum {
-	/* number of 4kb pages per frame */
-	B3D_REG_FRM_SIZE = 0x0,
-
-	/* bit 0: set to enable interrupts
-	 * bit 1: set to enable cable status change interrupts */
-	B3D_REG_HW_CTRL = 0x4,
-
-	/* bit 0-1 - 1-based ID of next pending frame transfer (0 = none)
-	 * bit 2 indicates the previous DMA transfer has completed
-	 * bit 3 indicates wand cable status change
-	 * bit 8:15 - counter of number of discarded triplets */
-	B3D_REG_DMA_STS = 0x8,
-
-	/* bit 0: wand status (1 = present, 0 = disconnected) */
-	B3D_REG_WAND_STS = 0xc,
-
-	/* bus address for DMA transfers. lower 2 bits must be zero because DMA
-	 * works with 32 bit word size. */
-	B3D_REG_EC220_DMA_ADDR = 0x8000,
-
-	/* bit 20:0 - number of 32 bit words to be transferred
-	 * bit 21:31 - reserved */
-	B3D_REG_EC220_TRF_SIZE = 0x8004,
-
-	/* bit 0 - error bit
-	 * bit 1 - interrupt bit (set to generate interrupt at end of transfer)
-	 * bit 2 - start bit (set to start transfer)
-	 * bit 3 - direction (0 = DMA_TO_DEVICE, 1 = DMA_FROM_DEVICE
-	 * bit 4:31 - reserved */
-	B3D_REG_EC220_DMA_STS = 0x8008,
-};
-
-enum b3dfg_buffer_state {
-	B3DFG_BUFFER_POLLED = 0,
-	B3DFG_BUFFER_PENDING,
-	B3DFG_BUFFER_POPULATED,
-};
-
-struct b3dfg_buffer {
-	unsigned char *frame[B3DFG_FRAMES_PER_BUFFER];
-	struct list_head list;
-	u8 state;
-};
-
-struct b3dfg_dev {
-
-	/* no protection needed: all finalized at initialization time */
-	struct pci_dev *pdev;
-	struct cdev chardev;
-	struct device *dev;
-	void __iomem *regs;
-	unsigned int frame_size;
-
-	/*
-	 * Protects buffer state, including buffer_queue, triplet_ready,
-	 * cur_dma_frame_idx & cur_dma_frame_addr.
-	 */
-	spinlock_t buffer_lock;
-	struct b3dfg_buffer *buffers;
-	struct list_head buffer_queue;
-
-	/* Last frame in triplet transferred (-1 if none). */
-	int cur_dma_frame_idx;
-
-	/* Current frame's address for DMA. */
-	dma_addr_t cur_dma_frame_addr;
-
-	/*
-	 * Protects cstate_tstamp.
-	 * Nests inside buffer_lock.
-	 */
-	spinlock_t cstate_lock;
-	unsigned long cstate_tstamp;
-
-	/*
-	 * Protects triplets_dropped.
-	 * Nests inside buffers_lock.
-	 */
-	spinlock_t triplets_dropped_lock;
-	unsigned int triplets_dropped;
-
-	wait_queue_head_t buffer_waitqueue;
-
-	unsigned int transmission_enabled:1;
-	unsigned int triplet_ready:1;
-};
-
-static u8 b3dfg_devices[B3DFG_MAX_DEVS];
-
-static struct class *b3dfg_class;
-static dev_t b3dfg_devt;
-
-static const struct pci_device_id b3dfg_ids[] __devinitdata = {
-	{ PCI_DEVICE(0x0b3d, 0x0001) },
-	{ },
-};
-
-MODULE_DEVICE_TABLE(pci, b3dfg_ids);
-
-/***** user-visible types *****/
-
-struct b3dfg_poll {
-	int buffer_idx;
-	unsigned int triplets_dropped;
-};
-
-struct b3dfg_wait {
-	int buffer_idx;
-	unsigned int timeout;
-	unsigned int triplets_dropped;
-};
-
-/**** register I/O ****/
-
-static u32 b3dfg_read32(struct b3dfg_dev *fgdev, u16 reg)
-{
-	return ioread32(fgdev->regs + reg);
-}
-
-static void b3dfg_write32(struct b3dfg_dev *fgdev, u16 reg, u32 value)
-{
-	iowrite32(value, fgdev->regs + reg);
-}
-
-/**** buffer management ****/
-
-/*
- * Program EC220 for transfer of a specific frame.
- * Called with buffer_lock held.
- */
-static int setup_frame_transfer(struct b3dfg_dev *fgdev,
-	struct b3dfg_buffer *buf, int frame)
-{
-	unsigned char *frm_addr;
-	dma_addr_t frm_addr_dma;
-	unsigned int frm_size = fgdev->frame_size;
-
-	frm_addr = buf->frame[frame];
-	frm_addr_dma = pci_map_single(fgdev->pdev, frm_addr,
-					  frm_size, PCI_DMA_FROMDEVICE);
-	if (pci_dma_mapping_error(fgdev->pdev, frm_addr_dma))
-		return -ENOMEM;
-
-	fgdev->cur_dma_frame_addr = frm_addr_dma;
-	fgdev->cur_dma_frame_idx = frame;
-
-	b3dfg_write32(fgdev, B3D_REG_EC220_DMA_ADDR,
-					cpu_to_le32(frm_addr_dma));
-	b3dfg_write32(fgdev, B3D_REG_EC220_TRF_SIZE,
-					cpu_to_le32(frm_size >> 2));
-	b3dfg_write32(fgdev, B3D_REG_EC220_DMA_STS, 0xf);
-
-	return 0;
-}
-
-/* Caller should hold buffer lock */
-static void dequeue_all_buffers(struct b3dfg_dev *fgdev)
-{
-	int i;
-	for (i = 0; i < b3dfg_nbuf; i++) {
-		struct b3dfg_buffer *buf = &fgdev->buffers[i];
-		buf->state = B3DFG_BUFFER_POLLED;
-		list_del_init(&buf->list);
-	}
-}
-
-/* queue a buffer to receive data */
-static int queue_buffer(struct b3dfg_dev *fgdev, int bufidx)
-{
-	struct device *dev = &fgdev->pdev->dev;
-	struct b3dfg_buffer *buf;
-	unsigned long flags;
-	int r = 0;
-
-	spin_lock_irqsave(&fgdev->buffer_lock, flags);
-	if (bufidx < 0 || bufidx >= b3dfg_nbuf) {
-		dev_dbg(dev, "Invalid buffer index, %d\n", bufidx);
-		r = -ENOENT;
-		goto out;
-	}
-	buf = &fgdev->buffers[bufidx];
-
-	if (unlikely(buf->state == B3DFG_BUFFER_PENDING)) {
-		dev_dbg(dev, "buffer %d is already queued\n", bufidx);
-		r = -EINVAL;
-		goto out;
-	}
-
-	buf->state = B3DFG_BUFFER_PENDING;
-	list_add_tail(&buf->list, &fgdev->buffer_queue);
-
-	if (fgdev->transmission_enabled && fgdev->triplet_ready) {
-		dev_dbg(dev, "triplet is ready, pushing immediately\n");
-		fgdev->triplet_ready = 0;
-		r = setup_frame_transfer(fgdev, buf, 0);
-		if (r)
-			dev_err(dev, "unable to map DMA buffer\n");
-	}
-
-out:
-	spin_unlock_irqrestore(&fgdev->buffer_lock, flags);
-	return r;
-}
-
-/* non-blocking buffer poll. returns 1 if data is present in the buffer,
- * 0 otherwise */
-static int poll_buffer(struct b3dfg_dev *fgdev, void __user *arg)
-{
-	struct device *dev = &fgdev->pdev->dev;
-	struct b3dfg_poll p;
-	struct b3dfg_buffer *buf;
-	unsigned long flags;
-	int r = 1;
-	int arg_out = 0;
-
-	if (copy_from_user(&p, arg, sizeof(p)))
-		return -EFAULT;
-
-	if (unlikely(!fgdev->transmission_enabled)) {
-		dev_dbg(dev, "cannot poll, transmission disabled\n");
-		return -EINVAL;
-	}
-
-	if (p.buffer_idx < 0 || p.buffer_idx >= b3dfg_nbuf)
-		return -ENOENT;
-
-	buf = &fgdev->buffers[p.buffer_idx];
-
-	spin_lock_irqsave(&fgdev->buffer_lock, flags);
-
-	if (likely(buf->state == B3DFG_BUFFER_POPULATED)) {
-		arg_out = 1;
-		buf->state = B3DFG_BUFFER_POLLED;
-
-		/* IRQs already disabled by spin_lock_irqsave above. */
-		spin_lock(&fgdev->triplets_dropped_lock);
-		p.triplets_dropped = fgdev->triplets_dropped;
-		fgdev->triplets_dropped = 0;
-		spin_unlock(&fgdev->triplets_dropped_lock);
-	} else {
-		r = 0;
-	}
-
-	spin_unlock_irqrestore(&fgdev->buffer_lock, flags);
-
-	if (arg_out && copy_to_user(arg, &p, sizeof(p)))
-		r = -EFAULT;
-
-	return r;
-}
-
-static unsigned long get_cstate_change(struct b3dfg_dev *fgdev)
-{
-	unsigned long flags, when;
-
-	spin_lock_irqsave(&fgdev->cstate_lock, flags);
-	when = fgdev->cstate_tstamp;
-	spin_unlock_irqrestore(&fgdev->cstate_lock, flags);
-	return when;
-}
-
-static int is_event_ready(struct b3dfg_dev *fgdev, struct b3dfg_buffer *buf,
-			  unsigned long when)
-{
-	int result;
-	unsigned long flags;
-
-	spin_lock_irqsave(&fgdev->buffer_lock, flags);
-	spin_lock(&fgdev->cstate_lock);
-	result = (!fgdev->transmission_enabled ||
-		  buf->state == B3DFG_BUFFER_POPULATED ||
-		  when != fgdev->cstate_tstamp);
-	spin_unlock(&fgdev->cstate_lock);
-	spin_unlock_irqrestore(&fgdev->buffer_lock, flags);
-
-	return result;
-}
-
-/* sleep until a specific buffer becomes populated */
-static int wait_buffer(struct b3dfg_dev *fgdev, void __user *arg)
-{
-	struct device *dev = &fgdev->pdev->dev;
-	struct b3dfg_wait w;
-	struct b3dfg_buffer *buf;
-	unsigned long flags, when;
-	int r;
-
-	if (copy_from_user(&w, arg, sizeof(w)))
-		return -EFAULT;
-
-	if (!fgdev->transmission_enabled) {
-		dev_dbg(dev, "cannot wait, transmission disabled\n");
-		return -EINVAL;
-	}
-
-	if (w.buffer_idx < 0 || w.buffer_idx >= b3dfg_nbuf)
-		return -ENOENT;
-
-	buf = &fgdev->buffers[w.buffer_idx];
-
-	spin_lock_irqsave(&fgdev->buffer_lock, flags);
-
-	if (buf->state == B3DFG_BUFFER_POPULATED) {
-		r = w.timeout;
-		goto out_triplets_dropped;
-	}
-
-	spin_unlock_irqrestore(&fgdev->buffer_lock, flags);
-
-	when = get_cstate_change(fgdev);
-	if (w.timeout > 0) {
-		r = wait_event_interruptible_timeout(fgdev->buffer_waitqueue,
-			is_event_ready(fgdev, buf, when),
-			(w.timeout * HZ) / 1000);
-
-		if (unlikely(r < 0))
-			goto out;
-
-		w.timeout = r * 1000 / HZ;
-	} else {
-		r = wait_event_interruptible(fgdev->buffer_waitqueue,
-			is_event_ready(fgdev, buf, when));
-
-		if (unlikely(r)) {
-			r = -ERESTARTSYS;
-			goto out;
-		}
-	}
-
-	/* TODO: Inform the user via field(s) in w? */
-	if (!fgdev->transmission_enabled || when != get_cstate_change(fgdev)) {
-		r = -EINVAL;
-		goto out;
-	}
-
-	spin_lock_irqsave(&fgdev->buffer_lock, flags);
-
-	if (buf->state != B3DFG_BUFFER_POPULATED) {
-		r = -ETIMEDOUT;
-		goto out_unlock;
-	}
-
-	buf->state = B3DFG_BUFFER_POLLED;
-
-out_triplets_dropped:
-
-	/* IRQs already disabled by spin_lock_irqsave above. */
-	spin_lock(&fgdev->triplets_dropped_lock);
-	w.triplets_dropped = fgdev->triplets_dropped;
-	fgdev->triplets_dropped = 0;
-	spin_unlock(&fgdev->triplets_dropped_lock);
-
-out_unlock:
-	spin_unlock_irqrestore(&fgdev->buffer_lock, flags);
-	if (copy_to_user(arg, &w, sizeof(w)))
-		r = -EFAULT;
-out:
-	return r;
-}
-
-/* mmap page fault handler */
-static int b3dfg_vma_fault(struct vm_area_struct *vma,
-	struct vm_fault *vmf)
-{
-	struct b3dfg_dev *fgdev = vma->vm_file->private_data;
-	unsigned long off = vmf->pgoff << PAGE_SHIFT;
-	unsigned int frame_size = fgdev->frame_size;
-	unsigned int buf_size = frame_size * B3DFG_FRAMES_PER_BUFFER;
-	unsigned char *addr;
-
-	/* determine which buffer the offset lies within */
-	unsigned int buf_idx = off / buf_size;
-	/* and the offset into the buffer */
-	unsigned int buf_off = off % buf_size;
-
-	/* determine which frame inside the buffer the offset lies in */
-	unsigned int frm_idx = buf_off / frame_size;
-	/* and the offset into the frame */
-	unsigned int frm_off = buf_off % frame_size;
-
-	if (unlikely(buf_idx >= b3dfg_nbuf))
-		return VM_FAULT_SIGBUS;
-
-	addr = fgdev->buffers[buf_idx].frame[frm_idx] + frm_off;
-	vm_insert_pfn(vma, (unsigned long)vmf->virtual_address,
-			  virt_to_phys(addr) >> PAGE_SHIFT);
-
-	return VM_FAULT_NOPAGE;
-}
-
-static struct vm_operations_struct b3dfg_vm_ops = {
-	.fault = b3dfg_vma_fault,
-};
-
-static int get_wand_status(struct b3dfg_dev *fgdev, int __user *arg)
-{
-	u32 wndstat = b3dfg_read32(fgdev, B3D_REG_WAND_STS);
-	dev_dbg(&fgdev->pdev->dev, "wand status %x\n", wndstat);
-	return __put_user(wndstat & 0x1, arg);
-}
-
-static int enable_transmission(struct b3dfg_dev *fgdev)
-{
-	unsigned long flags;
-	struct device *dev = &fgdev->pdev->dev;
-
-	dev_dbg(dev, "enable transmission\n");
-
-	/* check the cable is plugged in. */
-	if (!b3dfg_read32(fgdev, B3D_REG_WAND_STS)) {
-		dev_dbg(dev, "cannot start transmission without wand\n");
-		return -EINVAL;
-	}
-
-	spin_lock_irqsave(&fgdev->buffer_lock, flags);
-
-	/* Handle racing enable_transmission calls. */
-	if (fgdev->transmission_enabled) {
-		spin_unlock_irqrestore(&fgdev->buffer_lock, flags);
-		goto out;
-	}
-
-	spin_lock(&fgdev->triplets_dropped_lock);
-	fgdev->triplets_dropped = 0;
-	spin_unlock(&fgdev->triplets_dropped_lock);
-
-	fgdev->triplet_ready = 0;
-	fgdev->cur_dma_frame_idx = -1;
-	fgdev->transmission_enabled = 1;
-
-	spin_unlock_irqrestore(&fgdev->buffer_lock, flags);
-
-	/* Enable DMA and cable status interrupts. */
-	b3dfg_write32(fgdev, B3D_REG_HW_CTRL, 0x03);
-
-out:
-	return 0;
-}
-
-static void disable_transmission(struct b3dfg_dev *fgdev)
-{
-	struct device *dev = &fgdev->pdev->dev;
-	unsigned long flags;
-	u32 tmp;
-
-	dev_dbg(dev, "disable transmission\n");
-
-	/* guarantee that no more interrupts will be serviced */
-	spin_lock_irqsave(&fgdev->buffer_lock, flags);
-	fgdev->transmission_enabled = 0;
-
-	b3dfg_write32(fgdev, B3D_REG_HW_CTRL, 0);
-
-	/* FIXME: temporary debugging only. if the board stops transmitting,
-	 * hitting ctrl+c and seeing this message is useful for determining
-	 * the state of the board. */
-	tmp = b3dfg_read32(fgdev, B3D_REG_DMA_STS);
-	dev_dbg(dev, "DMA_STS reads %x after TX stopped\n", tmp);
-
-	dequeue_all_buffers(fgdev);
-	spin_unlock_irqrestore(&fgdev->buffer_lock, flags);
-
-	wake_up_interruptible(&fgdev->buffer_waitqueue);
-}
-
-static int set_transmission(struct b3dfg_dev *fgdev, int enabled)
-{
-	int res = 0;
-
-	if (enabled && !fgdev->transmission_enabled)
-		res = enable_transmission(fgdev);
-	else if (!enabled && fgdev->transmission_enabled)
-		disable_transmission(fgdev);
-
-	return res;
-}
-
-/* Called in interrupt context. */
-static void handle_cstate_unplug(struct b3dfg_dev *fgdev)
-{
-	/* Disable all interrupts. */
-	b3dfg_write32(fgdev, B3D_REG_HW_CTRL, 0);
-
-	/* Stop transmission. */
-	spin_lock(&fgdev->buffer_lock);
-	fgdev->transmission_enabled = 0;
-
-	fgdev->cur_dma_frame_idx = -1;
-	fgdev->triplet_ready = 0;
-	if (fgdev->cur_dma_frame_addr) {
-		pci_unmap_single(fgdev->pdev, fgdev->cur_dma_frame_addr,
-				 fgdev->frame_size, PCI_DMA_FROMDEVICE);
-		fgdev->cur_dma_frame_addr = 0;
-	}
-	dequeue_all_buffers(fgdev);
-	spin_unlock(&fgdev->buffer_lock);
-}
-
-/* Called in interrupt context. */
-static void handle_cstate_change(struct b3dfg_dev *fgdev)
-{
-	u32 cstate = b3dfg_read32(fgdev, B3D_REG_WAND_STS);
-	unsigned long when;
-	struct device *dev = &fgdev->pdev->dev;
-
-	dev_dbg(dev, "cable state change: %u\n", cstate);
-
-	/*
-	 * When the wand is unplugged we reset our state. The hardware will
-	 * have done the same internally.
-	 *
-	 * Note we should never see a cable *plugged* event, as interrupts
-	 * should only be enabled when transmitting, which requires the cable
-	 * to be plugged. If we do see one it probably means the cable has been
-	 * unplugged and re-plugged very rapidly. Possibly because it has a
-	 * broken wire and is momentarily losing contact.
-	 *
-	 * TODO: At the moment if you plug in the cable then enable transmission
-	 * the hardware will raise a couple of spurious interrupts, so
-	 * just ignore them for now.
-	 *
-	 * Once the hardware is fixed we should complain and treat it as an
-	 * unplug. Or at least track how frequently it is happening and do
-	 * so if too many come in.
-	 */
-	if (cstate) {
-		dev_warn(dev, "ignoring unexpected plug event\n");
-		return;
-	}
-	handle_cstate_unplug(fgdev);
-
-	/*
-	 * Record cable state change timestamp & wake anyone waiting
-	 * on a cable state change. Be paranoid about ensuring events
-	 * are not missed if we somehow get two interrupts in a jiffy.
-	 */
-	spin_lock(&fgdev->cstate_lock);
-	when = jiffies_64;
-	if (when <= fgdev->cstate_tstamp)
-		when = fgdev->cstate_tstamp + 1;
-	fgdev->cstate_tstamp = when;
-	wake_up_interruptible(&fgdev->buffer_waitqueue);
-	spin_unlock(&fgdev->cstate_lock);
-}
-
-/* Called with buffer_lock held. */
-static void transfer_complete(struct b3dfg_dev *fgdev)
-{
-	struct b3dfg_buffer *buf;
-	struct device *dev = &fgdev->pdev->dev;
-
-	pci_unmap_single(fgdev->pdev, fgdev->cur_dma_frame_addr,
-			 fgdev->frame_size, PCI_DMA_FROMDEVICE);
-	fgdev->cur_dma_frame_addr = 0;
-
-	buf = list_entry(fgdev->buffer_queue.next, struct b3dfg_buffer, list);
-
-	dev_dbg(dev, "handle frame completion\n");
-	if (fgdev->cur_dma_frame_idx == B3DFG_FRAMES_PER_BUFFER - 1) {
-
-		/* last frame of that triplet completed */
-		dev_dbg(dev, "triplet completed\n");
-		buf->state = B3DFG_BUFFER_POPULATED;
-		list_del_init(&buf->list);
-		wake_up_interruptible(&fgdev->buffer_waitqueue);
-	}
-}
-
-/*
- * Called with buffer_lock held.
- *
- * Note that idx is the (1-based) *next* frame to be transferred, while
- * cur_dma_frame_idx is the (0-based) *last* frame to have been transferred (or
- * -1 if none). Thus there should be a difference of 2 between them.
- */
-static bool setup_next_frame_transfer(struct b3dfg_dev *fgdev, int idx)
-{
-	struct b3dfg_buffer *buf;
-	struct device *dev = &fgdev->pdev->dev;
-	bool need_ack = 1;
-
-	dev_dbg(dev, "program DMA transfer for next frame: %d\n", idx);
-
-	buf = list_entry(fgdev->buffer_queue.next, struct b3dfg_buffer, list);
-	if (idx == fgdev->cur_dma_frame_idx + 2) {
-		if (setup_frame_transfer(fgdev, buf, idx - 1))
-			dev_err(dev, "unable to map DMA buffer\n");
-		need_ack = 0;
-	} else {
-		dev_err(dev, "frame mismatch, got %d, expected %d\n",
-			idx, fgdev->cur_dma_frame_idx + 2);
-
-		/* FIXME: handle dropped triplets here */
-	}
-
-	return need_ack;
-}
-
-static irqreturn_t b3dfg_intr(int irq, void *dev_id)
-{
-	struct b3dfg_dev *fgdev = dev_id;
-	struct device *dev = &fgdev->pdev->dev;
-	u32 sts;
-	u8 dropped;
-	bool need_ack = 1;
-	irqreturn_t res = IRQ_HANDLED;
-
-	sts = b3dfg_read32(fgdev, B3D_REG_DMA_STS);
-	if (unlikely(sts == 0)) {
-		dev_warn(dev, "ignore interrupt, DMA status is 0\n");
-		res = IRQ_NONE;
-		goto out;
-	}
-
-	if (unlikely(!fgdev->transmission_enabled)) {
-		dev_warn(dev, "ignore interrupt, TX disabled\n");
-		res = IRQ_HANDLED;
-		goto out;
-	}
-
-	/* Handle dropped frames, as reported by the hardware. */
-	dropped = (sts >> 8) & 0xff;
-	dev_dbg(dev, "intr: DMA_STS=%08x (drop=%d comp=%d next=%d)\n",
-		sts, dropped, !!(sts & 0x4), sts & 0x3);
-	if (unlikely(dropped > 0)) {
-		spin_lock(&fgdev->triplets_dropped_lock);
-		fgdev->triplets_dropped += dropped;
-		spin_unlock(&fgdev->triplets_dropped_lock);
-	}
-
-	/* Handle a cable state change (i.e. the wand being unplugged). */
-	if (sts & 0x08) {
-		handle_cstate_change(fgdev);
-		goto out;
-	}
-
-	spin_lock(&fgdev->buffer_lock);
-	if (unlikely(list_empty(&fgdev->buffer_queue))) {
-
-		/* FIXME need more sanity checking here */
-		dev_info(dev, "buffer not ready for next transfer\n");
-		fgdev->triplet_ready = 1;
-		goto out_unlock;
-	}
-
-	/* Has a frame transfer been completed? */
-	if (sts & 0x4) {
-		u32 dma_status = b3dfg_read32(fgdev, B3D_REG_EC220_DMA_STS);
-
-		/* Check for DMA errors reported by the hardware. */
-		if (unlikely(dma_status & 0x1)) {
-			dev_err(dev, "EC220 error: %08x\n", dma_status);
-
-			/* FIXME flesh out error handling */
-			goto out_unlock;
-		}
-
-		/* Sanity check, we should have a frame index at this point. */
-		if (unlikely(fgdev->cur_dma_frame_idx == -1)) {
-			dev_err(dev, "completed but no last idx?\n");
-
-			/* FIXME flesh out error handling */
-			goto out_unlock;
-		}
-
-		transfer_complete(fgdev);
-	}
-
-	/* Is there another frame transfer pending? */
-	if (sts & 0x3)
-		need_ack = setup_next_frame_transfer(fgdev, sts & 0x3);
-	else
-		fgdev->cur_dma_frame_idx = -1;
-
-out_unlock:
-	spin_unlock(&fgdev->buffer_lock);
-out:
-	if (need_ack) {
-		dev_dbg(dev, "acknowledging interrupt\n");
-		b3dfg_write32(fgdev, B3D_REG_EC220_DMA_STS, 0x0b);
-	}
-	return res;
-}
-
-static int b3dfg_open(struct inode *inode, struct file *filp)
-{
-	struct b3dfg_dev *fgdev =
-		container_of(inode->i_cdev, struct b3dfg_dev, chardev);
-
-	dev_dbg(&fgdev->pdev->dev, "open\n");
-	filp->private_data = fgdev;
-	return 0;
-}
-
-static int b3dfg_release(struct inode *inode, struct file *filp)
-{
-	struct b3dfg_dev *fgdev = filp->private_data;
-	dev_dbg(&fgdev->pdev->dev, "release\n");
-	disable_transmission(fgdev);
-	return 0;
-}
-
-static long b3dfg_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
-{
-	struct b3dfg_dev *fgdev = filp->private_data;
-
-	switch (cmd) {
-	case B3DFG_IOCGFRMSZ:
-		return __put_user(fgdev->frame_size, (int __user *) arg);
-	case B3DFG_IOCGWANDSTAT:
-		return get_wand_status(fgdev, (int __user *) arg);
-	case B3DFG_IOCTTRANS:
-		return set_transmission(fgdev, (int) arg);
-	case B3DFG_IOCTQUEUEBUF:
-		return queue_buffer(fgdev, (int) arg);
-	case B3DFG_IOCTPOLLBUF:
-		return poll_buffer(fgdev, (void __user *) arg);
-	case B3DFG_IOCTWAITBUF:
-		return wait_buffer(fgdev, (void __user *) arg);
-	default:
-		dev_dbg(&fgdev->pdev->dev, "unrecognised ioctl %x\n", cmd);
-		return -EINVAL;
-	}
-}
-
-static unsigned int b3dfg_poll(struct file *filp, poll_table *poll_table)
-{
-	struct b3dfg_dev *fgdev = filp->private_data;
-	unsigned long flags, when;
-	int i;
-	int r = 0;
-
-	when = get_cstate_change(fgdev);
-	poll_wait(filp, &fgdev->buffer_waitqueue, poll_table);
-
-	spin_lock_irqsave(&fgdev->buffer_lock, flags);
-	for (i = 0; i < b3dfg_nbuf; i++) {
-		if (fgdev->buffers[i].state == B3DFG_BUFFER_POPULATED) {
-			r = POLLIN | POLLRDNORM;
-			break;
-		}
-	}
-	spin_unlock_irqrestore(&fgdev->buffer_lock, flags);
-
-	/* TODO: Confirm this is how we want to communicate the change. */
-	if (!fgdev->transmission_enabled || when != get_cstate_change(fgdev))
-		r = POLLERR;
-
-	return r;
-}
-
-static int b3dfg_mmap(struct file *filp, struct vm_area_struct *vma)
-{
-	struct b3dfg_dev *fgdev = filp->private_data;
-	unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
-	unsigned long vsize = vma->vm_end - vma->vm_start;
-	unsigned long bufdatalen = b3dfg_nbuf * fgdev->frame_size * 3;
-	unsigned long psize = bufdatalen - offset;
-	int r = 0;
-
-	if (vsize <= psize) {
-		vma->vm_flags |= VM_IO | VM_RESERVED | VM_CAN_NONLINEAR |
-				 VM_PFNMAP;
-		vma->vm_ops = &b3dfg_vm_ops;
-	} else {
-		r = -EINVAL;
-	}
-
-	return r;
-}
-
-static struct file_operations b3dfg_fops = {
-	.owner = THIS_MODULE,
-	.open = b3dfg_open,
-	.release = b3dfg_release,
-	.unlocked_ioctl = b3dfg_ioctl,
-	.poll = b3dfg_poll,
-	.mmap = b3dfg_mmap,
-};
-
-static void free_all_frame_buffers(struct b3dfg_dev *fgdev)
-{
-	int i, j;
-	for (i = 0; i < b3dfg_nbuf; i++)
-		for (j = 0; j < B3DFG_FRAMES_PER_BUFFER; j++)
-			kfree(fgdev->buffers[i].frame[j]);
-	kfree(fgdev->buffers);
-}
-
-/* initialize device and any data structures. called before any interrupts
- * are enabled. */
-static int b3dfg_init_dev(struct b3dfg_dev *fgdev)
-{
-	int i, j;
-	u32 frm_size = b3dfg_read32(fgdev, B3D_REG_FRM_SIZE);
-
-	/* Disable interrupts. In abnormal circumstances (e.g. after a crash)
-	 * the board may still be transmitting from the previous session. If we
-	 * ensure that interrupts are disabled before we later enable them, we
-	 * are sure to capture a triplet from the start, rather than starting
-	 * from frame 2 or 3. Disabling interrupts causes the FG to throw away
-	 * all buffered data and stop buffering more until interrupts are
-	 * enabled again.
-	 */
-	b3dfg_write32(fgdev, B3D_REG_HW_CTRL, 0);
-
-	fgdev->frame_size = frm_size * 4096;
-	fgdev->buffers = kzalloc(sizeof(struct b3dfg_buffer) * b3dfg_nbuf,
-				 GFP_KERNEL);
-	if (!fgdev->buffers)
-		goto err_no_buf;
-	for (i = 0; i < b3dfg_nbuf; i++) {
-		struct b3dfg_buffer *buf = &fgdev->buffers[i];
-		for (j = 0; j < B3DFG_FRAMES_PER_BUFFER; j++) {
-			buf->frame[j] = kmalloc(fgdev->frame_size, GFP_KERNEL);
-			if (!buf->frame[j])
-				goto err_no_mem;
-		}
-		INIT_LIST_HEAD(&buf->list);
-	}
-
-	INIT_LIST_HEAD(&fgdev->buffer_queue);
-	init_waitqueue_head(&fgdev->buffer_waitqueue);
-	spin_lock_init(&fgdev->buffer_lock);
-	spin_lock_init(&fgdev->cstate_lock);
-	spin_lock_init(&fgdev->triplets_dropped_lock);
-	return 0;
-
-err_no_mem:
-	free_all_frame_buffers(fgdev);
-err_no_buf:
-	return -ENOMEM;
-}
-
-/* find next free minor number, returns -1 if none are availabile */
-static int get_free_minor(void)
-{
-	int i;
-	for (i = 0; i < B3DFG_MAX_DEVS; i++) {
-		if (b3dfg_devices[i] == 0)
-			return i;
-	}
-	return -1;
-}
-
-static int __devinit b3dfg_probe(struct pci_dev *pdev,
-	const struct pci_device_id *id)
-{
-	struct b3dfg_dev *fgdev = kzalloc(sizeof(*fgdev), GFP_KERNEL);
-	int r = 0;
-	int minor = get_free_minor();
-	dev_t devno = MKDEV(MAJOR(b3dfg_devt), minor);
-	unsigned long res_len;
-	resource_size_t res_base;
-
-	if (fgdev == NULL)
-		return -ENOMEM;
-
-	if (minor < 0) {
-		dev_err(&pdev->dev, "too many devices found!\n");
-		r = -EIO;
-		goto err_free;
-	}
-
-	b3dfg_devices[minor] = 1;
-	dev_info(&pdev->dev, "probe device with IRQ %d\n", pdev->irq);
-
-	cdev_init(&fgdev->chardev, &b3dfg_fops);
-	fgdev->chardev.owner = THIS_MODULE;
-
-	r = cdev_add(&fgdev->chardev, devno, 1);
-	if (r) {
-		dev_err(&pdev->dev, "cannot add char device\n");
-		goto err_release_minor;
-	}
-
-	fgdev->dev = device_create(
-		b3dfg_class,
-		&pdev->dev,
-		devno,
-		dev_get_drvdata(&pdev->dev),
-		DRIVER_NAME "%d", minor);
-
-	if (IS_ERR(fgdev->dev)) {
-		dev_err(&pdev->dev, "cannot create device\n");
-		r = PTR_ERR(fgdev->dev);
-		goto err_del_cdev;
-	}
-
-	r = pci_enable_device(pdev);
-	if (r) {
-		dev_err(&pdev->dev, "cannot enable PCI device\n");
-		goto err_dev_unreg;
-	}
-
-	res_len = pci_resource_len(pdev, B3DFG_BAR_REGS);
-	if (res_len != B3DFG_REGS_LENGTH) {
-		dev_err(&pdev->dev, "invalid register resource size\n");
-		r = -EIO;
-		goto err_disable;
-	}
-
-	if (pci_resource_flags(pdev, B3DFG_BAR_REGS)
-				!= (IORESOURCE_MEM | IORESOURCE_SIZEALIGN)) {
-		dev_err(&pdev->dev, "invalid resource flags\n");
-		r = -EIO;
-		goto err_disable;
-	}
-	r = pci_request_regions(pdev, DRIVER_NAME);
-	if (r) {
-		dev_err(&pdev->dev, "cannot obtain PCI resources\n");
-		goto err_disable;
-	}
-
-	pci_set_master(pdev);
-
-	r = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
-	if (r) {
-		dev_err(&pdev->dev, "no usable DMA configuration\n");
-		goto err_free_res;
-	}
-
-	res_base = pci_resource_start(pdev, B3DFG_BAR_REGS);
-	fgdev->regs = ioremap_nocache(res_base, res_len);
-	if (!fgdev->regs) {
-		dev_err(&pdev->dev, "regs ioremap failed\n");
-		r = -EIO;
-		goto err_free_res;
-	}
-
-	fgdev->pdev = pdev;
-	pci_set_drvdata(pdev, fgdev);
-	r = b3dfg_init_dev(fgdev);
-	if (r < 0) {
-		dev_err(&pdev->dev, "failed to initalize device\n");
-		goto err_unmap;
-	}
-
-	r = request_irq(pdev->irq, b3dfg_intr, IRQF_SHARED, DRIVER_NAME, fgdev);
-	if (r) {
-		dev_err(&pdev->dev, "couldn't request irq %d\n", pdev->irq);
-		goto err_free_bufs;
-	}
-
-	return 0;
-
-err_free_bufs:
-	free_all_frame_buffers(fgdev);
-err_unmap:
-	iounmap(fgdev->regs);
-err_free_res:
-	pci_release_regions(pdev);
-err_disable:
-	pci_disable_device(pdev);
-err_dev_unreg:
-	device_destroy(b3dfg_class, devno);
-err_del_cdev:
-	cdev_del(&fgdev->chardev);
-err_release_minor:
-	b3dfg_devices[minor] = 0;
-err_free:
-	kfree(fgdev);
-	return r;
-}
-
-static void __devexit b3dfg_remove(struct pci_dev *pdev)
-{
-	struct b3dfg_dev *fgdev = pci_get_drvdata(pdev);
-	unsigned int minor = MINOR(fgdev->chardev.dev);
-
-	dev_dbg(&pdev->dev, "remove\n");
-
-	free_irq(pdev->irq, fgdev);
-	iounmap(fgdev->regs);
-	pci_release_regions(pdev);
-	pci_disable_device(pdev);
-	device_destroy(b3dfg_class, MKDEV(MAJOR(b3dfg_devt), minor));
-	cdev_del(&fgdev->chardev);
-	free_all_frame_buffers(fgdev);
-	kfree(fgdev);
-	b3dfg_devices[minor] = 0;
-}
-
-static struct pci_driver b3dfg_driver = {
-	.name = DRIVER_NAME,
-	.id_table = b3dfg_ids,
-	.probe = b3dfg_probe,
-	.remove = __devexit_p(b3dfg_remove),
-};
-
-static int __init b3dfg_module_init(void)
-{
-	int r;
-
-	if (b3dfg_nbuf < 2) {
-		printk(KERN_ERR DRIVER_NAME
-			   ": buffer_count is out of range (must be >= 2)");
-		return -EINVAL;
-	}
-
-	printk(KERN_INFO DRIVER_NAME ": loaded\n");
-
-	b3dfg_class = class_create(THIS_MODULE, DRIVER_NAME);
-	if (IS_ERR(b3dfg_class))
-		return PTR_ERR(b3dfg_class);
-
-	r = alloc_chrdev_region(&b3dfg_devt, 0, B3DFG_MAX_DEVS, DRIVER_NAME);
-	if (r)
-		goto err1;
-
-	r = pci_register_driver(&b3dfg_driver);
-	if (r)
-		goto err2;
-
-	return r;
-
-err2:
-	unregister_chrdev_region(b3dfg_devt, B3DFG_MAX_DEVS);
-err1:
-	class_destroy(b3dfg_class);
-	return r;
-}
-
-static void __exit b3dfg_module_exit(void)
-{
-	printk(KERN_INFO DRIVER_NAME ": unloaded\n");
-	pci_unregister_driver(&b3dfg_driver);
-	unregister_chrdev_region(b3dfg_devt, B3DFG_MAX_DEVS);
-	class_destroy(b3dfg_class);
-}
-
-module_init(b3dfg_module_init);
-module_exit(b3dfg_module_exit);
diff --git a/drivers/staging/batman-adv/Kconfig b/drivers/staging/batman-adv/Kconfig
index 1d74dabf9511..1e7e0a8dbc8b 100644
--- a/drivers/staging/batman-adv/Kconfig
+++ b/drivers/staging/batman-adv/Kconfig
@@ -4,7 +4,7 @@
 
 config BATMAN_ADV
 	tristate "B.A.T.M.A.N. Advanced Meshing Protocol"
-	depends on PROC_FS && PACKET
+	depends on PROC_FS && NET
         default n
 	---help---
 
@@ -14,10 +14,10 @@ config BATMAN_ADV
         http://www.open-mesh.org/ for more information and user space
         tools.
 
-config BATMAN_DEBUG
+config BATMAN_ADV_DEBUG
 	bool "B.A.T.M.A.N. debugging"
 	depends on BATMAN_ADV != n
-	help
+	---help---
 
 	  This is an option for use by developers; most people should
 	  say N here. This enables compilation of support for
diff --git a/drivers/staging/batman-adv/Makefile b/drivers/staging/batman-adv/Makefile
index 02da87134fce..42b4e6370263 100644
--- a/drivers/staging/batman-adv/Makefile
+++ b/drivers/staging/batman-adv/Makefile
@@ -19,4 +19,4 @@
 #
 
 obj-m += batman-adv.o
-batman-adv-objs := main.o proc.o send.o routing.o soft-interface.o device.o translation-table.o bitarray.o hash.o ring_buffer.o vis.o hard-interface.o aggregation.o log.o
+batman-adv-objs := main.o proc.o send.o routing.o soft-interface.o device.o translation-table.o bitarray.o hash.o ring_buffer.o vis.o hard-interface.o aggregation.o originator.o
diff --git a/drivers/staging/batman-adv/README b/drivers/staging/batman-adv/README
index 3aaf393ebaa7..7d666ad04359 100644
--- a/drivers/staging/batman-adv/README
+++ b/drivers/staging/batman-adv/README
@@ -1,4 +1,4 @@
-[state: 07-11-2009]
+[state: 06-01-2010]
 
 BATMAN-ADV
 ----------
@@ -15,19 +15,6 @@ above B.A.T.M.A.N. Advanced, prominent examples are: IPv4, IPv6, DHCP, IPX.
 This is batman-advanced implemented as Linux kernel driver. It does not depend
 on any network (other) driver, and can be used on wifi as well as ethernet,
 vpn, etc ... (anything with ethernet-style layer 2).
-It compiles against and should work with Linux 2.6.20 - 2.6.31. Supporting older
-versions is not planned, but it's probably easy to backport it. If you work on a
-backport, feel free to contact us.  :-)
-
-COMPILE
--------
-To compile against your currently installed kernel, just type:
-
-# make
-
-if you want to compile against some other kernel, use:
-
-# make KERNELPATH=/path/to/kernel
 
 USAGE
 -----
@@ -73,16 +60,9 @@ When configured as server, you can get a topology snapshot of your mesh:
 
 # cat /proc/net/batman-adv/vis
 
-This output format is a graphviz formatted text file which can be
-processed with graphviz-tools like dot.
-The labels are similar/compatible to the ETX metric, 1.0 means perfect
-connection (100%), 2.0 means 50%, 3.0 means 33% and so on.
-
-Alternatively, a JSON output format is available. The format can be set
-using by writing either "dot_draw" or "json" into the vis_format file.
-"dot_draw" is selected by default.
-
-echo "json" > /proc/net/batman-adv/vis_format
+The output is in a generic raw format. Use the batctl tool (See below)
+to convert this to other formats more suitable for graphing, eg
+graphviz dot, or JSON data-interchange format.
 
 In very mobile scenarios, you might want to adjust the originator
 interval to a lower value. This will make the mesh more responsive to
@@ -96,15 +76,59 @@ To deactivate batman, do:
 
 # echo "" > /proc/net/batman-adv/interfaces
 
+LOGGING/DEBUGGING
+-----------------
+
+All error messages, warnings and information messages are sent to the
+kernel log. Depending on your operating system distribution this can be
+read in one of a number of ways. Try using the commands: dmesg,
+logread, or looking in the files /var/log/kern.log or
+/var/log/syslog. All batman-adv messages are prefixed with
+"batman-adv:" So to see just these messages try
+
+dmesg | grep batman-adv
+
+When investigating problems with your mesh network it is sometimes
+necessary to see more detail debug messages. This must be enabled when
+compiling the batman-adv module. Use "make menuconfig" and enable the
+option "B.A.T.M.A.N. debugging".
+
+The additional debug output is by default disabled. It can be enabled
+either at kernel module load time or during run time. To enable debug
+output at module load time, add the module parameter debug=<value>.
+<value> can take one of four values.
+
+0 - All debug output disabled
+1 - Enable messages related to routing / flooding / broadcasting
+2 - Enable route or hna added / changed / deleted
+3 - Enable all messages
+
+e.g.
+
+modprobe batman-adv debug=2
+
+will load the module and enable debug messages for when routes or HNAs
+change.
+
+The debug output can also be changed at runtime using the file
+/sys/module/batman-adv/parameters/debug. e.g.
+
+echo 2 > /sys/module/batman-adv/parameters/debug
+
+enables debug messages for when routes or HNAs
+
+The debug output is sent to the kernel logs. So try dmesg, logread etc
+to see the debug messages.
+
 BATCTL
 ------
 
-B.A.T.M.A.N.  advanced  operates on layer 2 and thus all hosts partici-
-pating in the virtual switch are completely transparent for all  proto-
-cols above layer 2. Therefore the common diagnosis tools do not work as
-expected. To overcome these problems batctl was created. At the  moment
-the  batctl contains ping, traceroute, tcpdump and interfaces to the
-kernel module settings.
+B.A.T.M.A.N.  advanced operates on layer 2 and thus all hosts
+participating in the virtual switch are completely transparent for all
+protocols above layer 2. Therefore the common diagnosis tools do not
+work as expected. To overcome these problems batctl was created. At
+the moment the batctl contains ping, traceroute, tcpdump and
+interfaces to the kernel module settings.
 
 For more information, please see the manpage (man batctl).
 
diff --git a/drivers/staging/batman-adv/TODO b/drivers/staging/batman-adv/TODO
index ea6dcf94d661..2f15136b18e7 100644
--- a/drivers/staging/batman-adv/TODO
+++ b/drivers/staging/batman-adv/TODO
@@ -17,30 +17,6 @@
 -> transtable_global (read-only) [outputs the global translation table]
 -> transtable_local (read-only) [outputs the local translation table]
 
-=> vis "raw" data output
-* the raw format shall replace dot draw / json to offer a neutral that can
-* be converted
-* the format (comma seperated entries):
--> "mac" -> mac address of an originator (each line begins with it)
--> "TQ mac value" -> src mac's link quality towards mac address
--> "HNA mac" -> HNA announced by source mac
--> "PRIMARY" -> this is a primary interface
--> "SEC mac" -> secondary mac address of source (requires preceeding
--> PRIMARY)
-
-=> logging
-* the log level LOG_TYPE_CRIT, LOG_TYPE_WARN & LOG_TYPE_NOTICE will be
-* unified to use printk
-* LOG_TYPE_BATMAN & LOG_TYPE_ROUTES will also use printk but only after the
-* internal debug level has been raised
-* the internal debug level can be modified using a module parameter (debug)
-* or at run time via /sys/module/batman-adv/parameters/debug
-* make use of printk %pM support instead of converting mac addresses
-* manually
-
-=> strip out all backward compatibility support to older kernels
-   (only found in compat.h)
-
 => fix checkpatch.pl errors
 
 Please send all patches to:
diff --git a/drivers/staging/batman-adv/aggregation.c b/drivers/staging/batman-adv/aggregation.c
index 9c6e681f6fb6..7917322a7e2a 100644
--- a/drivers/staging/batman-adv/aggregation.c
+++ b/drivers/staging/batman-adv/aggregation.c
@@ -96,6 +96,7 @@ static void new_aggregated_packet(unsigned char *packet_buff,
 			   int own_packet)
 {
 	struct forw_packet *forw_packet_aggr;
+	unsigned long flags;
 
 	forw_packet_aggr = kmalloc(sizeof(struct forw_packet), GFP_ATOMIC);
 	if (!forw_packet_aggr)
@@ -115,6 +116,7 @@ static void new_aggregated_packet(unsigned char *packet_buff,
 	       packet_buff,
 	       forw_packet_aggr->packet_len);
 
+	forw_packet_aggr->skb = NULL;
 	forw_packet_aggr->own = own_packet;
 	forw_packet_aggr->if_incoming = if_incoming;
 	forw_packet_aggr->num_packets = 0;
@@ -126,9 +128,9 @@ static void new_aggregated_packet(unsigned char *packet_buff,
 		forw_packet_aggr->direct_link_flags |= 1;
 
 	/* add new packet to packet list */
-	spin_lock(&forw_bat_list_lock);
+	spin_lock_irqsave(&forw_bat_list_lock, flags);
 	hlist_add_head(&forw_packet_aggr->list, &forw_bat_list);
-	spin_unlock(&forw_bat_list_lock);
+	spin_unlock_irqrestore(&forw_bat_list_lock, flags);
 
 	/* start timer for this packet */
 	INIT_DELAYED_WORK(&forw_packet_aggr->delayed_work,
@@ -168,9 +170,10 @@ void add_bat_packet_to_list(unsigned char *packet_buff, int packet_len,
 	struct batman_packet *batman_packet =
 		(struct batman_packet *)packet_buff;
 	bool direct_link = batman_packet->flags & DIRECTLINK ? 1 : 0;
+	unsigned long flags;
 
 	/* find position for the packet in the forward queue */
-	spin_lock(&forw_bat_list_lock);
+	spin_lock_irqsave(&forw_bat_list_lock, flags);
 	/* own packets are not to be aggregated */
 	if ((atomic_read(&aggregation_enabled)) && (!own_packet)) {
 		hlist_for_each_entry(forw_packet_pos, tmp_node, &forw_bat_list,
@@ -191,7 +194,7 @@ void add_bat_packet_to_list(unsigned char *packet_buff, int packet_len,
 	 * suitable aggregation packet found */
 	if (forw_packet_aggr == NULL) {
 		/* the following section can run without the lock */
-		spin_unlock(&forw_bat_list_lock);
+		spin_unlock_irqrestore(&forw_bat_list_lock, flags);
 		new_aggregated_packet(packet_buff, packet_len,
 				      send_time, direct_link,
 				      if_incoming, own_packet);
@@ -199,7 +202,7 @@ void add_bat_packet_to_list(unsigned char *packet_buff, int packet_len,
 		aggregate(forw_packet_aggr,
 			  packet_buff, packet_len,
 			  direct_link);
-		spin_unlock(&forw_bat_list_lock);
+		spin_unlock_irqrestore(&forw_bat_list_lock, flags);
 	}
 }
 
diff --git a/drivers/staging/batman-adv/bitarray.c b/drivers/staging/batman-adv/bitarray.c
index 3c67f5f42b2b..212eef93afe4 100644
--- a/drivers/staging/batman-adv/bitarray.c
+++ b/drivers/staging/batman-adv/bitarray.c
@@ -21,7 +21,6 @@
 
 #include "main.h"
 #include "bitarray.h"
-#include "log.h"
 
 /* returns true if the corresponding bit in the given seq_bits indicates true
  * and curr_seqno is within range of last_seqno */
@@ -80,8 +79,8 @@ void bit_shift(TYPE_OF_WORD *seq_bits, int32_t n)
 		 * from.
 		 *
 		 * left is high, right is low: FEDC BA98 7654 3210
-		 *	                                  ^^ ^^
-		 *                             vvvv
+		 *					  ^^ ^^
+		 *			       vvvv
 		 * ^^^^ = from, vvvvv =to, we'd have word_num==1 and
 		 * word_offset==WORD_BIT_SIZE/2 ????? in this example.
 		 * (=24 bits)
@@ -133,13 +132,13 @@ char bit_get_packet(TYPE_OF_WORD *seq_bits, int16_t seq_num_diff,
 	    (seq_num_diff < -TQ_LOCAL_WINDOW_SIZE)) {
 
 		if (seq_num_diff > TQ_LOCAL_WINDOW_SIZE)
-			debug_log(LOG_TYPE_BATMAN,
-				  "We missed a lot of packets (%i) !\n",
-				  seq_num_diff-1);
+			bat_dbg(DBG_BATMAN,
+				"We missed a lot of packets (%i) !\n",
+				seq_num_diff-1);
 
 		if (-seq_num_diff > TQ_LOCAL_WINDOW_SIZE)
-			debug_log(LOG_TYPE_BATMAN,
-				  "Other host probably restarted !\n");
+			bat_dbg(DBG_BATMAN,
+				"Other host probably restarted !\n");
 
 		for (i = 0; i < NUM_WORDS; i++)
 			seq_bits[i] = 0;
diff --git a/drivers/staging/batman-adv/compat.h b/drivers/staging/batman-adv/compat.h
deleted file mode 100644
index f4e0a4564ba7..000000000000
--- a/drivers/staging/batman-adv/compat.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
- *
- * Marek Lindner, Simon Wunderlich
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA
- *
- *
- * This file contains macros for maintaining compatibility with older versions
- * of the Linux kernel.
- */
-
-#include <linux/version.h>	/* LINUX_VERSION_CODE */
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22)
-
-#define skb_set_network_header(_skb, _offset) \
-	do { (_skb)->nh.raw = (_skb)->data + (_offset); } while (0)
-
-#define skb_reset_mac_header(_skb) \
-	do { (_skb)->mac.raw = (_skb)->data; } while (0)
-
-#define list_first_entry(ptr, type, member) \
-	list_entry((ptr)->next, type, member)
-
-#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 22) */
-
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26)
-
-#define device_create(_cls, _parent, _devt, _device, _fmt) \
-	class_device_create(_cls, _parent, _devt, _device, _fmt)
-
-#define device_destroy(_cls, _device) \
-	class_device_destroy(_cls, _device)
-
-#else
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 27)
-
-#define device_create(_cls, _parent, _devt, _device, _fmt) \
-	device_create_drvdata(_cls, _parent, _devt, _device, _fmt)
-
-#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 27) */
-
-#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 26) */
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 23)
-
-#define cancel_delayed_work_sync(wq) cancel_rearming_delayed_work(wq)
-
-#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 23) */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25)
-#define strict_strtoul(cp, base, res) \
-	({ \
-	int ret = 0; \
-	char *endp; \
-	*res = simple_strtoul(cp, &endp, base); \
-	if (cp == endp) \
-		ret = -EINVAL; \
-	ret; \
-})
-#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 25) */
diff --git a/drivers/staging/batman-adv/device.c b/drivers/staging/batman-adv/device.c
index 1e7d1f88674f..e7f44215b5f3 100644
--- a/drivers/staging/batman-adv/device.c
+++ b/drivers/staging/batman-adv/device.c
@@ -19,14 +19,13 @@
  *
  */
 
+#include <linux/device.h>
 #include "main.h"
 #include "device.h"
-#include "log.h"
 #include "send.h"
 #include "types.h"
 #include "hash.h"
-
-#include "compat.h"
+#include "hard-interface.h"
 
 static struct class *batman_class;
 
@@ -60,7 +59,7 @@ int bat_device_setup(void)
 	/* register our device - kernel assigns a free major number */
 	tmp_major = register_chrdev(0, DRIVER_DEVICE, &fops);
 	if (tmp_major < 0) {
-		debug_log(LOG_TYPE_WARN, "Registering the character device failed with %d\n",
+		printk(KERN_ERR "batman-adv:Registering the character device failed with %d\n",
 			  tmp_major);
 		return 0;
 	}
@@ -68,7 +67,7 @@ int bat_device_setup(void)
 	batman_class = class_create(THIS_MODULE, "batman-adv");
 
 	if (IS_ERR(batman_class)) {
-		debug_log(LOG_TYPE_WARN, "Could not register class 'batman-adv' \n");
+		printk(KERN_ERR "batman-adv:Could not register class 'batman-adv' \n");
 		return 0;
 	}
 
@@ -111,7 +110,7 @@ int bat_device_open(struct inode *inode, struct file *file)
 	}
 
 	if (device_client_hash[i] != device_client) {
-		debug_log(LOG_TYPE_WARN, "Error - can't add another packet client: maximum number of clients reached \n");
+		printk(KERN_ERR "batman-adv:Error - can't add another packet client: maximum number of clients reached \n");
 		kfree(device_client);
 		return -EXFULL;
 	}
@@ -119,7 +118,7 @@ int bat_device_open(struct inode *inode, struct file *file)
 	INIT_LIST_HEAD(&device_client->queue_list);
 	device_client->queue_len = 0;
 	device_client->index = i;
-	device_client->lock = __SPIN_LOCK_UNLOCKED(device_client->lock);
+	spin_lock_init(&device_client->lock);
 	init_waitqueue_head(&device_client->queue_wait);
 
 	file->private_data = device_client;
@@ -134,8 +133,9 @@ int bat_device_release(struct inode *inode, struct file *file)
 		(struct device_client *)file->private_data;
 	struct device_packet *device_packet;
 	struct list_head *list_pos, *list_pos_tmp;
+	unsigned long flags;
 
-	spin_lock(&device_client->lock);
+	spin_lock_irqsave(&device_client->lock, flags);
 
 	/* for all packets in the queue ... */
 	list_for_each_safe(list_pos, list_pos_tmp, &device_client->queue_list) {
@@ -147,7 +147,7 @@ int bat_device_release(struct inode *inode, struct file *file)
 	}
 
 	device_client_hash[device_client->index] = NULL;
-	spin_unlock(&device_client->lock);
+	spin_unlock_irqrestore(&device_client->lock, flags);
 
 	kfree(device_client);
 	dec_module_count();
@@ -162,6 +162,7 @@ ssize_t bat_device_read(struct file *file, char __user *buf, size_t count,
 		(struct device_client *)file->private_data;
 	struct device_packet *device_packet;
 	int error;
+	unsigned long flags;
 
 	if ((file->f_flags & O_NONBLOCK) && (device_client->queue_len == 0))
 		return -EAGAIN;
@@ -178,14 +179,14 @@ ssize_t bat_device_read(struct file *file, char __user *buf, size_t count,
 	if (error)
 		return error;
 
-	spin_lock(&device_client->lock);
+	spin_lock_irqsave(&device_client->lock, flags);
 
 	device_packet = list_first_entry(&device_client->queue_list,
 					 struct device_packet, list);
 	list_del(&device_packet->list);
 	device_client->queue_len--;
 
-	spin_unlock(&device_client->lock);
+	spin_unlock_irqrestore(&device_client->lock, flags);
 
 	error = __copy_to_user(buf, &device_packet->icmp_packet,
 			       sizeof(struct icmp_packet));
@@ -206,9 +207,11 @@ ssize_t bat_device_write(struct file *file, const char __user *buff,
 	struct icmp_packet icmp_packet;
 	struct orig_node *orig_node;
 	struct batman_if *batman_if;
+	uint8_t dstaddr[ETH_ALEN];
+	unsigned long flags;
 
 	if (len < sizeof(struct icmp_packet)) {
-		debug_log(LOG_TYPE_NOTICE, "Error - can't send packet from char device: invalid packet size\n");
+		bat_dbg(DBG_BATMAN, "batman-adv:Error - can't send packet from char device: invalid packet size\n");
 		return -EINVAL;
 	}
 
@@ -219,12 +222,12 @@ ssize_t bat_device_write(struct file *file, const char __user *buff,
 		return -EFAULT;
 
 	if (icmp_packet.packet_type != BAT_ICMP) {
-		debug_log(LOG_TYPE_NOTICE, "Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n");
+		bat_dbg(DBG_BATMAN, "batman-adv:Error - can't send packet from char device: got bogus packet type (expected: BAT_ICMP)\n");
 		return -EINVAL;
 	}
 
 	if (icmp_packet.msg_type != ECHO_REQUEST) {
-		debug_log(LOG_TYPE_NOTICE, "Error - can't send packet from char device: got bogus message type (expected: ECHO_REQUEST)\n");
+		bat_dbg(DBG_BATMAN, "batman-adv:Error - can't send packet from char device: got bogus message type (expected: ECHO_REQUEST)\n");
 		return -EINVAL;
 	}
 
@@ -240,7 +243,7 @@ ssize_t bat_device_write(struct file *file, const char __user *buff,
 	if (atomic_read(&module_state) != MODULE_ACTIVE)
 		goto dst_unreach;
 
-	spin_lock(&orig_hash_lock);
+	spin_lock_irqsave(&orig_hash_lock, flags);
 	orig_node = ((struct orig_node *)hash_find(orig_hash, icmp_packet.dst));
 
 	if (!orig_node)
@@ -250,9 +253,15 @@ ssize_t bat_device_write(struct file *file, const char __user *buff,
 		goto unlock;
 
 	batman_if = orig_node->batman_if;
+	memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
+
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
 
 	if (!batman_if)
-		goto unlock;
+		goto dst_unreach;
+
+	if (batman_if->if_active != IF_ACTIVE)
+		goto dst_unreach;
 
 	memcpy(icmp_packet.orig,
 	       batman_if->net_dev->dev_addr,
@@ -260,13 +269,12 @@ ssize_t bat_device_write(struct file *file, const char __user *buff,
 
 	send_raw_packet((unsigned char *)&icmp_packet,
 			sizeof(struct icmp_packet),
-			batman_if, orig_node->router->addr);
+			batman_if, dstaddr);
 
-	spin_unlock(&orig_hash_lock);
 	goto out;
 
 unlock:
-	spin_unlock(&orig_hash_lock);
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
 dst_unreach:
 	icmp_packet.msg_type = DESTINATION_UNREACHABLE;
 	bat_device_add_packet(device_client, &icmp_packet);
@@ -291,6 +299,7 @@ void bat_device_add_packet(struct device_client *device_client,
 			   struct icmp_packet *icmp_packet)
 {
 	struct device_packet *device_packet;
+	unsigned long flags;
 
 	device_packet = kmalloc(sizeof(struct device_packet), GFP_KERNEL);
 
@@ -301,12 +310,12 @@ void bat_device_add_packet(struct device_client *device_client,
 	memcpy(&device_packet->icmp_packet, icmp_packet,
 	       sizeof(struct icmp_packet));
 
-	spin_lock(&device_client->lock);
+	spin_lock_irqsave(&device_client->lock, flags);
 
 	/* while waiting for the lock the device_client could have been
 	 * deleted */
 	if (!device_client_hash[icmp_packet->uid]) {
-		spin_unlock(&device_client->lock);
+		spin_unlock_irqrestore(&device_client->lock, flags);
 		kfree(device_packet);
 		return;
 	}
@@ -323,7 +332,7 @@ void bat_device_add_packet(struct device_client *device_client,
 		device_client->queue_len--;
 	}
 
-	spin_unlock(&device_client->lock);
+	spin_unlock_irqrestore(&device_client->lock, flags);
 
 	wake_up(&device_client->queue_wait);
 }
diff --git a/drivers/staging/batman-adv/hard-interface.c b/drivers/staging/batman-adv/hard-interface.c
index 5ea35da5ee7a..befd48839519 100644
--- a/drivers/staging/batman-adv/hard-interface.c
+++ b/drivers/staging/batman-adv/hard-interface.c
@@ -21,13 +21,11 @@
 
 #include "main.h"
 #include "hard-interface.h"
-#include "log.h"
 #include "soft-interface.h"
 #include "send.h"
 #include "translation-table.h"
 #include "routing.h"
 #include "hash.h"
-#include "compat.h"
 
 #define MIN(x, y) ((x) < (y) ? (x) : (y))
 
@@ -75,7 +73,6 @@ int hardif_min_mtu(void)
 static void check_known_mac_addr(uint8_t *addr)
 {
 	struct batman_if *batman_if;
-	char mac_string[ETH_STR_LEN];
 
 	rcu_read_lock();
 	list_for_each_entry_rcu(batman_if, &if_list, list) {
@@ -86,10 +83,9 @@ static void check_known_mac_addr(uint8_t *addr)
 		if (!compare_orig(batman_if->net_dev->dev_addr, addr))
 			continue;
 
-		addr_to_string(mac_string, addr);
-		debug_log(LOG_TYPE_WARN, "The newly added mac address (%s) already exists on: %s\n",
-		          mac_string, batman_if->dev);
-		debug_log(LOG_TYPE_WARN, "It is strongly recommended to keep mac addresses unique to avoid problems!\n");
+		printk(KERN_WARNING "batman-adv:The newly added mac address (%pM) already exists on: %s\n",
+		       addr, batman_if->dev);
+		printk(KERN_WARNING "batman-adv:It is strongly recommended to keep mac addresses unique to avoid problems!\n");
 	}
 	rcu_read_unlock();
 }
@@ -154,9 +150,6 @@ void hardif_deactivate_interface(struct batman_if *batman_if)
 	if (batman_if->if_active != IF_ACTIVE)
 		return;
 
-	if (batman_if->raw_sock)
-		sock_release(batman_if->raw_sock);
-
 	/**
 	 * batman_if->net_dev has been acquired by dev_get_by_name() in
 	 * proc_interfaces_write() and has to be unreferenced.
@@ -165,22 +158,16 @@ void hardif_deactivate_interface(struct batman_if *batman_if)
 	if (batman_if->net_dev)
 		dev_put(batman_if->net_dev);
 
-	batman_if->raw_sock = NULL;
-	batman_if->net_dev = NULL;
-
 	batman_if->if_active = IF_INACTIVE;
 	active_ifs--;
 
-	debug_log(LOG_TYPE_NOTICE, "Interface deactivated: %s\n",
-	          batman_if->dev);
+	printk(KERN_INFO "batman-adv:Interface deactivated: %s\n",
+		  batman_if->dev);
 }
 
 /* (re)activate given interface. */
 static void hardif_activate_interface(struct batman_if *batman_if)
 {
-	struct sockaddr_ll bind_addr;
-	int retval;
-
 	if (batman_if->if_active != IF_INACTIVE)
 		return;
 
@@ -192,35 +179,8 @@ static void hardif_activate_interface(struct batman_if *batman_if)
 	if (!batman_if->net_dev)
 		goto dev_err;
 
-	retval = sock_create_kern(PF_PACKET, SOCK_RAW,
-				  __constant_htons(ETH_P_BATMAN),
-				  &batman_if->raw_sock);
-
-	if (retval < 0) {
-		debug_log(LOG_TYPE_WARN, "Can't create raw socket: %i\n",
-			  retval);
-		goto sock_err;
-	}
-
-	bind_addr.sll_family = AF_PACKET;
-	bind_addr.sll_ifindex = batman_if->net_dev->ifindex;
-	bind_addr.sll_protocol = 0;	/* is set by the kernel */
-
-	retval = kernel_bind(batman_if->raw_sock,
-			     (struct sockaddr *)&bind_addr, sizeof(bind_addr));
-
-	if (retval < 0) {
-		debug_log(LOG_TYPE_WARN, "Can't create bind raw socket: %i\n",
-			  retval);
-		goto bind_err;
-	}
-
 	check_known_mac_addr(batman_if->net_dev->dev_addr);
 
-	batman_if->raw_sock->sk->sk_user_data =
-		batman_if->raw_sock->sk->sk_data_ready;
-	batman_if->raw_sock->sk->sk_data_ready = batman_data_ready;
-
 	addr_to_string(batman_if->addr_str, batman_if->net_dev->dev_addr);
 
 	memcpy(((struct batman_packet *)(batman_if->packet_buff))->orig,
@@ -235,17 +195,12 @@ static void hardif_activate_interface(struct batman_if *batman_if)
 	if (batman_if->if_num == 0)
 		set_main_if_addr(batman_if->net_dev->dev_addr);
 
-	debug_log(LOG_TYPE_NOTICE, "Interface activated: %s\n",
-	          batman_if->dev);
+	printk(KERN_INFO "batman-adv:Interface activated: %s\n",
+		  batman_if->dev);
 
 	return;
 
-bind_err:
-	sock_release(batman_if->raw_sock);
-sock_err:
-	dev_put(batman_if->net_dev);
 dev_err:
-	batman_if->raw_sock = NULL;
 	batman_if->net_dev = NULL;
 }
 
@@ -290,7 +245,7 @@ static int resize_orig(struct orig_node *orig_node, int if_num)
 	data_ptr = kmalloc((if_num + 1) * sizeof(TYPE_OF_WORD) * NUM_WORDS,
 			   GFP_ATOMIC);
 	if (!data_ptr) {
-		debug_log(LOG_TYPE_WARN, "Can't resize orig: out of memory\n");
+		printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
 		return -1;
 	}
 
@@ -301,7 +256,7 @@ static int resize_orig(struct orig_node *orig_node, int if_num)
 
 	data_ptr = kmalloc((if_num + 1) * sizeof(uint8_t), GFP_ATOMIC);
 	if (!data_ptr) {
-		debug_log(LOG_TYPE_WARN, "Can't resize orig: out of memory\n");
+		printk(KERN_ERR "batman-adv:Can't resize orig: out of memory\n");
 		return -1;
 	}
 
@@ -319,16 +274,16 @@ int hardif_add_interface(char *dev, int if_num)
 	struct batman_if *batman_if;
 	struct batman_packet *batman_packet;
 	struct orig_node *orig_node;
-	struct hash_it_t *hashit = NULL;
+	unsigned long flags;
+	HASHIT(hashit);
 
 	batman_if = kmalloc(sizeof(struct batman_if), GFP_KERNEL);
 
 	if (!batman_if) {
-		debug_log(LOG_TYPE_WARN, "Can't add interface (%s): out of memory\n", dev);
+		printk(KERN_ERR "batman-adv:Can't add interface (%s): out of memory\n", dev);
 		return -1;
 	}
 
-	batman_if->raw_sock = NULL;
 	batman_if->net_dev = NULL;
 
 	if ((if_num == 0) && (num_hna > 0))
@@ -339,7 +294,7 @@ int hardif_add_interface(char *dev, int if_num)
 	batman_if->packet_buff = kmalloc(batman_if->packet_len, GFP_KERNEL);
 
 	if (!batman_if->packet_buff) {
-		debug_log(LOG_TYPE_WARN, "Can't add interface packet (%s): out of memory\n", dev);
+		printk(KERN_ERR "batman-adv:Can't add interface packet (%s): out of memory\n", dev);
 		goto out;
 	}
 
@@ -348,7 +303,7 @@ int hardif_add_interface(char *dev, int if_num)
 	batman_if->if_active = IF_INACTIVE;
 	INIT_RCU_HEAD(&batman_if->rcu);
 
-	debug_log(LOG_TYPE_NOTICE, "Adding interface: %s\n", dev);
+	printk(KERN_INFO "batman-adv:Adding interface: %s\n", dev);
 	avail_ifs++;
 
 	INIT_LIST_HEAD(&batman_if->list);
@@ -376,20 +331,20 @@ int hardif_add_interface(char *dev, int if_num)
 
 	/* resize all orig nodes because orig_node->bcast_own(_sum) depend on
 	 * if_num */
-	spin_lock(&orig_hash_lock);
+	spin_lock_irqsave(&orig_hash_lock, flags);
 
-	while (NULL != (hashit = hash_iterate(orig_hash, hashit))) {
-		orig_node = hashit->bucket->data;
+	while (hash_iterate(orig_hash, &hashit)) {
+		orig_node = hashit.bucket->data;
 		if (resize_orig(orig_node, if_num) == -1) {
-			spin_unlock(&orig_hash_lock);
+			spin_unlock_irqrestore(&orig_hash_lock, flags);
 			goto out;
 		}
 	}
 
-	spin_unlock(&orig_hash_lock);
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
 
 	if (!hardif_is_interface_up(batman_if->dev))
-		debug_log(LOG_TYPE_WARN, "Not using interface %s (retrying later): interface not active\n", batman_if->dev);
+		printk(KERN_ERR "batman-adv:Not using interface %s (retrying later): interface not active\n", batman_if->dev);
 	else
 		hardif_activate_interface(batman_if);
 
@@ -400,8 +355,7 @@ int hardif_add_interface(char *dev, int if_num)
 	return 1;
 
 out:
-	if (batman_if->packet_buff)
-		kfree(batman_if->packet_buff);
+	kfree(batman_if->packet_buff);
 	kfree(batman_if);
 	kfree(dev);
 	return -1;
@@ -413,7 +367,7 @@ char hardif_get_active_if_num(void)
 }
 
 static int hard_if_event(struct notifier_block *this,
-                            unsigned long event, void *ptr)
+			    unsigned long event, void *ptr)
 {
 	struct net_device *dev = (struct net_device *)ptr;
 	struct batman_if *batman_if = get_batman_if_by_name(dev->name);
@@ -436,7 +390,6 @@ static int hard_if_event(struct notifier_block *this,
 		break;
 	/* NETDEV_CHANGEADDR - mac address change - what are we doing here ? */
 	default:
-		/* debug_log(LOG_TYPE_CRIT, "hard_if_event: %s %i\n", dev->name, event); */
 		break;
 	};
 
@@ -446,6 +399,122 @@ out:
 	return NOTIFY_DONE;
 }
 
+/* find batman interface by netdev. assumes rcu_read_lock on */
+static struct batman_if *find_batman_if(struct net_device *dev)
+{
+	struct batman_if *batman_if;
+
+	rcu_read_lock();
+	list_for_each_entry_rcu(batman_if, &if_list, list) {
+		if (batman_if->net_dev == dev) {
+			rcu_read_unlock();
+			return batman_if;
+		}
+	}
+	rcu_read_unlock();
+	return NULL;
+}
+
+
+/* receive a packet with the batman ethertype coming on a hard
+ * interface */
+int batman_skb_recv(struct sk_buff *skb, struct net_device *dev,
+	struct packet_type *ptype, struct net_device *orig_dev)
+{
+	struct batman_packet *batman_packet;
+	struct batman_if *batman_if;
+	struct net_device_stats *stats;
+	int ret;
+
+	skb = skb_share_check(skb, GFP_ATOMIC);
+
+	/* skb was released by skb_share_check() */
+	if (!skb)
+		goto err_out;
+
+	if (atomic_read(&module_state) != MODULE_ACTIVE)
+		goto err_free;
+
+	/* packet should hold at least type and version */
+	if (unlikely(skb_headlen(skb) < 2))
+		goto err_free;
+
+	/* expect a valid ethernet header here. */
+	if (unlikely(skb->mac_len != sizeof(struct ethhdr)
+				|| !skb_mac_header(skb)))
+		goto err_free;
+
+	batman_if = find_batman_if(skb->dev);
+	if (!batman_if)
+		goto err_free;
+
+	/* discard frames on not active interfaces */
+	if (batman_if->if_active != IF_ACTIVE)
+		goto err_free;
+
+	stats = (struct net_device_stats *)dev_get_stats(skb->dev);
+	if (stats) {
+		stats->rx_packets++;
+		stats->rx_bytes += skb->len;
+	}
+
+	batman_packet = (struct batman_packet *)skb->data;
+
+	if (batman_packet->version != COMPAT_VERSION) {
+		bat_dbg(DBG_BATMAN,
+			"Drop packet: incompatible batman version (%i)\n",
+			batman_packet->version);
+		goto err_free;
+	}
+
+	/* all receive handlers return whether they received or reused
+	 * the supplied skb. if not, we have to free the skb. */
+
+	switch (batman_packet->packet_type) {
+		/* batman originator packet */
+	case BAT_PACKET:
+		ret = recv_bat_packet(skb, batman_if);
+		break;
+
+		/* batman icmp packet */
+	case BAT_ICMP:
+		ret = recv_icmp_packet(skb);
+		break;
+
+		/* unicast packet */
+	case BAT_UNICAST:
+		ret = recv_unicast_packet(skb);
+		break;
+
+		/* broadcast packet */
+	case BAT_BCAST:
+		ret = recv_bcast_packet(skb);
+		break;
+
+		/* vis packet */
+	case BAT_VIS:
+		ret = recv_vis_packet(skb);
+		break;
+	default:
+		ret = NET_RX_DROP;
+	}
+
+	if (ret == NET_RX_DROP)
+		kfree_skb(skb);
+
+	/* return NET_RX_SUCCESS in any case as we
+	 * most probably dropped the packet for
+	 * routing-logical reasons. */
+
+	return NET_RX_SUCCESS;
+
+err_free:
+	kfree_skb(skb);
+err_out:
+	return NET_RX_DROP;
+}
+
+
 struct notifier_block hard_if_notifier = {
-        .notifier_call = hard_if_event,
+	.notifier_call = hard_if_event,
 };
diff --git a/drivers/staging/batman-adv/hard-interface.h b/drivers/staging/batman-adv/hard-interface.h
index 742358c00c0e..97c6ecb9e087 100644
--- a/drivers/staging/batman-adv/hard-interface.h
+++ b/drivers/staging/batman-adv/hard-interface.h
@@ -32,5 +32,9 @@ void hardif_deactivate_interface(struct batman_if *batman_if);
 char hardif_get_active_if_num(void);
 void hardif_check_interfaces_status(void);
 void hardif_check_interfaces_status_wq(struct work_struct *work);
+int batman_skb_recv(struct sk_buff *skb,
+				struct net_device *dev,
+				struct packet_type *ptype,
+				struct net_device *orig_dev);
 int hardif_min_mtu(void);
 void update_min_mtu(void);
diff --git a/drivers/staging/batman-adv/hash.c b/drivers/staging/batman-adv/hash.c
index 61cb4a20ebca..5a2018de3ff2 100644
--- a/drivers/staging/batman-adv/hash.c
+++ b/drivers/staging/batman-adv/hash.c
@@ -64,24 +64,18 @@ void hash_destroy(struct hashtable_t *hash)
 	kfree(hash);
 }
 
-/* iterate though the hash. first element is selected with iter_in NULL.  use
- * the returned iterator to access the elements until hash_it_t returns NULL. */
+/* iterate though the hash. First element is selected if an iterator
+ * initialized with HASHIT() is supplied as iter. Use the returned
+ * (or supplied) iterator to access the elements until hash_iterate returns
+ * NULL. */
+
 struct hash_it_t *hash_iterate(struct hashtable_t *hash,
-			       struct hash_it_t *iter_in)
+			       struct hash_it_t *iter)
 {
-	struct hash_it_t *iter;
-
 	if (!hash)
 		return NULL;
-
-	if (iter_in == NULL) {
-		iter = kmalloc(sizeof(struct hash_it_t), GFP_ATOMIC);
-		iter->index = -1;
-		iter->bucket = NULL;
-		iter->prev_bucket = NULL;
-	} else {
-		iter = iter_in;
-	}
+	if (!iter)
+		return NULL;
 
 	/* sanity checks first (if our bucket got deleted in the last
 	 * iteration): */
@@ -139,7 +133,6 @@ struct hash_it_t *hash_iterate(struct hashtable_t *hash,
 	}
 
 	/* nothing to iterate over anymore */
-	kfree(iter);
 	return NULL;
 }
 
diff --git a/drivers/staging/batman-adv/hash.h b/drivers/staging/batman-adv/hash.h
index bb60f082be6a..a70d6d6e1c7a 100644
--- a/drivers/staging/batman-adv/hash.h
+++ b/drivers/staging/batman-adv/hash.h
@@ -21,6 +21,11 @@
 
 #ifndef _BATMAN_HASH_H
 #define _BATMAN_HASH_H
+#define HASHIT(name) struct hash_it_t name = { \
+		.index = -1, .bucket = NULL, \
+		.prev_bucket = NULL, \
+		.first_bucket = NULL }
+
 
 typedef int (*hashdata_compare_cb)(void *, void *);
 typedef int (*hashdata_choose_cb)(void *, int);
diff --git a/drivers/staging/batman-adv/log.c b/drivers/staging/batman-adv/log.c
deleted file mode 100644
index f37c7f01a9f5..000000000000
--- a/drivers/staging/batman-adv/log.c
+++ /dev/null
@@ -1,179 +0,0 @@
-/*
- * Copyright (C) 2007-2009 B.A.T.M.A.N. contributors:
- *
- * Marek Lindner, Simon Wunderlich
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA
- *
- */
-
-#include "main.h"
-#include "log.h"
-
-#define LOG_BUF_MASK (log_buf_len-1)
-#define LOG_BUF(idx) (log_buf[(idx) & LOG_BUF_MASK])
-
-static char log_buf[LOG_BUF_LEN];
-static int log_buf_len = LOG_BUF_LEN;
-static unsigned long log_start;
-static unsigned long log_end;
-uint8_t log_level;
-
-static DEFINE_SPINLOCK(logbuf_lock);
-
-const struct file_operations proc_log_operations = {
-	.open           = log_open,
-	.release        = log_release,
-	.read           = log_read,
-	.write          = log_write,
-	.poll           = log_poll,
-};
-
-static DECLARE_WAIT_QUEUE_HEAD(log_wait);
-
-static void emit_log_char(char c)
-{
-	LOG_BUF(log_end) = c;
-	log_end++;
-
-	if (log_end - log_start > log_buf_len)
-		log_start = log_end - log_buf_len;
-}
-
-static int fdebug_log(char *fmt, ...)
-{
-	int printed_len;
-	char *p;
-	va_list args;
-	static char debug_log_buf[256];
-	unsigned long flags;
-
-	spin_lock_irqsave(&logbuf_lock, flags);
-	va_start(args, fmt);
-	printed_len = vscnprintf(debug_log_buf, sizeof(debug_log_buf), fmt,
-				 args);
-	va_end(args);
-
-	for (p = debug_log_buf; *p != 0; p++)
-		emit_log_char(*p);
-
-	spin_unlock_irqrestore(&logbuf_lock, flags);
-
-	wake_up(&log_wait);
-
-	return 0;
-}
-
-int debug_log(int type, char *fmt, ...)
-{
-	va_list args;
-	int retval = 0;
-	char tmp_log_buf[256];
-
-	/* only critical information get into the official kernel log */
-	if (type == LOG_TYPE_CRIT) {
-		va_start(args, fmt);
-		vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args);
-		printk(KERN_ERR "batman-adv: %s", tmp_log_buf);
-		va_end(args);
-	}
-
-	if ((type == LOG_TYPE_CRIT) || (log_level & type)) {
-		va_start(args, fmt);
-		vscnprintf(tmp_log_buf, sizeof(tmp_log_buf), fmt, args);
-		fdebug_log("[%10u] %s", (jiffies / HZ), tmp_log_buf);
-		va_end(args);
-	}
-
-	return retval;
-}
-
-int log_open(struct inode *inode, struct file *file)
-{
-	inc_module_count();
-	return 0;
-}
-
-int log_release(struct inode *inode, struct file *file)
-{
-	dec_module_count();
-	return 0;
-}
-
-ssize_t log_read(struct file *file, char __user *buf, size_t count,
-		 loff_t *ppos)
-{
-	int error, i = 0;
-	char c;
-	unsigned long flags;
-
-	if ((file->f_flags & O_NONBLOCK) && !(log_end - log_start))
-		return -EAGAIN;
-
-	if ((!buf) || (count < 0))
-		return -EINVAL;
-
-	if (count == 0)
-		return 0;
-
-	if (!access_ok(VERIFY_WRITE, buf, count))
-		return -EFAULT;
-
-	error = wait_event_interruptible(log_wait, (log_start - log_end));
-
-	if (error)
-		return error;
-
-	spin_lock_irqsave(&logbuf_lock, flags);
-
-	while ((!error) && (log_start != log_end) && (i < count)) {
-		c = LOG_BUF(log_start);
-
-		log_start++;
-
-		spin_unlock_irqrestore(&logbuf_lock, flags);
-
-		error = __put_user(c, buf);
-
-		spin_lock_irqsave(&logbuf_lock, flags);
-
-		buf++;
-		i++;
-
-	}
-
-	spin_unlock_irqrestore(&logbuf_lock, flags);
-
-	if (!error)
-		return i;
-
-	return error;
-}
-
-ssize_t log_write(struct file *file, const char __user *buf, size_t count,
-		  loff_t *ppos)
-{
-	return count;
-}
-
-unsigned int log_poll(struct file *file, poll_table *wait)
-{
-	poll_wait(file, &log_wait, wait);
-
-	if (log_end - log_start)
-		return POLLIN | POLLRDNORM;
-
-	return 0;
-}
diff --git a/drivers/staging/batman-adv/main.c b/drivers/staging/batman-adv/main.c
index bb89bfc5dda6..2e0b482e710a 100644
--- a/drivers/staging/batman-adv/main.c
+++ b/drivers/staging/batman-adv/main.c
@@ -21,9 +21,9 @@
 
 #include "main.h"
 #include "proc.h"
-#include "log.h"
 #include "routing.h"
 #include "send.h"
+#include "originator.h"
 #include "soft-interface.h"
 #include "device.h"
 #include "translation-table.h"
@@ -31,7 +31,6 @@
 #include "types.h"
 #include "vis.h"
 #include "hash.h"
-#include "compat.h"
 
 struct list_head if_list;
 struct hlist_head forw_bat_list;
@@ -44,19 +43,34 @@ DEFINE_SPINLOCK(forw_bcast_list_lock);
 
 atomic_t originator_interval;
 atomic_t vis_interval;
+atomic_t vis_mode;
 atomic_t aggregation_enabled;
 int16_t num_hna;
 int16_t num_ifs;
 
 struct net_device *soft_device;
 
-static struct task_struct *kthread_task;
-
 unsigned char broadcastAddr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
 atomic_t module_state;
 
+static struct packet_type batman_adv_packet_type __read_mostly = {
+	.type = __constant_htons(ETH_P_BATMAN),
+	.func = batman_skb_recv,
+};
+
 struct workqueue_struct *bat_event_workqueue;
 
+#ifdef CONFIG_BATMAN_ADV_DEBUG
+int debug;
+
+module_param(debug, int, 0644);
+
+int bat_debug_type(int type)
+{
+	return debug & type;
+}
+#endif
+
 int init_module(void)
 {
 	int retval;
@@ -70,6 +84,7 @@ int init_module(void)
 	atomic_set(&originator_interval, 1000);
 	atomic_set(&vis_interval, 1000);/* TODO: raise this later, this is only
 					 * for debugging now. */
+	atomic_set(&vis_mode, VIS_TYPE_CLIENT_UPDATE);
 	atomic_set(&aggregation_enabled, 1);
 
 	/* the name should not be longer than 10 chars - see
@@ -90,21 +105,22 @@ int init_module(void)
 				   interface_setup);
 
 	if (!soft_device) {
-		debug_log(LOG_TYPE_CRIT, "Unable to allocate the batman interface\n");
+		printk(KERN_ERR "batman-adv:Unable to allocate the batman interface\n");
 		goto end;
 	}
 
 	retval = register_netdev(soft_device);
 
 	if (retval < 0) {
-		debug_log(LOG_TYPE_CRIT, "Unable to register the batman interface: %i\n", retval);
+		printk(KERN_ERR "batman-adv:Unable to register the batman interface: %i\n", retval);
 		goto free_soft_device;
 	}
 
 	register_netdevice_notifier(&hard_if_notifier);
+	dev_add_pack(&batman_adv_packet_type);
 
-	debug_log(LOG_TYPE_CRIT, "B.A.T.M.A.N. advanced %s%s (compatibility version %i) loaded \n",
-	          SOURCE_VERSION, REVISION_VERSION_STR, COMPAT_VERSION);
+	printk(KERN_INFO "batman-adv:B.A.T.M.A.N. advanced %s%s (compatibility version %i) loaded \n",
+		  SOURCE_VERSION, REVISION_VERSION_STR, COMPAT_VERSION);
 
 	return 0;
 
@@ -124,6 +140,8 @@ void cleanup_module(void)
 		soft_device = NULL;
 	}
 
+	dev_remove_pack(&batman_adv_packet_type);
+
 	unregister_netdevice_notifier(&hard_if_notifier);
 	cleanup_procfs();
 
@@ -151,22 +169,12 @@ void activate_module(void)
 	if (vis_init() < 1)
 		goto err;
 
-	/* (re)start kernel thread for packet processing */
-	if (!kthread_task) {
-		kthread_task = kthread_run(packet_recv_thread, NULL, "batman-adv");
-
-		if (IS_ERR(kthread_task)) {
-			debug_log(LOG_TYPE_CRIT, "Unable to start packet receive thread\n");
-			kthread_task = NULL;
-		}
-	}
-
 	update_min_mtu();
 	atomic_set(&module_state, MODULE_ACTIVE);
 	goto end;
 
 err:
-	debug_log(LOG_TYPE_CRIT, "Unable to allocate memory for mesh information structures: out of mem ?\n");
+	printk(KERN_ERR "batman-adv:Unable to allocate memory for mesh information structures: out of mem ?\n");
 	shutdown_module();
 end:
 	return;
@@ -182,14 +190,7 @@ void shutdown_module(void)
 
 	vis_quit();
 
-	/* deactivate kernel thread for packet processing (if running) */
-	if (kthread_task) {
-		atomic_set(&exit_cond, 1);
-		wake_up_interruptible(&thread_wait);
-		kthread_stop(kthread_task);
-
-		kthread_task = NULL;
-	}
+	/* TODO: unregister BATMAN pack */
 
 	originator_free();
 
diff --git a/drivers/staging/batman-adv/main.h b/drivers/staging/batman-adv/main.h
index facb6b79ee52..deb41f5beda6 100644
--- a/drivers/staging/batman-adv/main.h
+++ b/drivers/staging/batman-adv/main.h
@@ -33,16 +33,16 @@
 
 #define TQ_MAX_VALUE 255
 #define JITTER 20
-#define TTL 50		          /* Time To Live of broadcast messages */
-#define MAX_ADDR 16	          /* number of interfaces which can be added to
+#define TTL 50			  /* Time To Live of broadcast messages */
+#define MAX_ADDR 16		  /* number of interfaces which can be added to
 				   * batman. */
 
-#define PURGE_TIMEOUT 200000      /* purge originators after time in ms if no
+#define PURGE_TIMEOUT 200000	  /* purge originators after time in ms if no
 				   * valid packet comes in -> TODO: check
 				   * influence on TQ_LOCAL_WINDOW_SIZE */
 #define LOCAL_HNA_TIMEOUT 3600000
 
-#define TQ_LOCAL_WINDOW_SIZE 64   /* sliding packet range of received originator
+#define TQ_LOCAL_WINDOW_SIZE 64	  /* sliding packet range of received originator
 				   * messages in squence numbers (should be a
 				   * multiple of our word size) */
 #define TQ_GLOBAL_WINDOW_SIZE 5
@@ -69,24 +69,27 @@
 
 
 /*
- * Logging
+ * Debug Messages
  */
 
-#define LOG_TYPE_CRIT 0		/* highest priority for fatal errors such as
-				 * blocked sockets / failed packet delivery /
-				 * programming errors */
-#define LOG_TYPE_WARN 1		/* warnings for small errors like wrong user
-				 * input / damaged packets / etc */
-#define LOG_TYPE_NOTICE 2	/* notice information for new interfaces /
-				 * changed settings / new originators / etc */
-#define LOG_TYPE_BATMAN 4	/* all messages related to routing / flooding /
-				 * broadcasting / etc */
-#define LOG_TYPE_ROUTES 8	/* route or hna added / changed / deleted */
-#define LOG_TYPE_CRIT_NAME	"critical"
-#define LOG_TYPE_WARN_NAME	"warnings"
-#define LOG_TYPE_NOTICE_NAME	"notices"
-#define LOG_TYPE_BATMAN_NAME	"batman"
-#define LOG_TYPE_ROUTES_NAME	"routes"
+#define DBG_BATMAN 1	/* all messages related to routing / flooding /
+			 * broadcasting / etc */
+#define DBG_ROUTES 2	/* route or hna added / changed / deleted */
+
+#ifdef CONFIG_BATMAN_ADV_DEBUG
+extern int debug;
+
+extern int bat_debug_type(int type);
+#define bat_dbg(type, fmt, arg...) do {					\
+		if (bat_debug_type(type))				\
+			printk(KERN_DEBUG "batman-adv:" fmt, ## arg);	\
+	}								\
+	while (0)
+#else /* !CONFIG_BATMAN_ADV_DEBUG */
+#define bat_dbg(type, fmt, arg...) do {		\
+	}					\
+	while (0)
+#endif
 
 /*
  *  Vis
@@ -127,6 +130,7 @@ extern spinlock_t forw_bcast_list_lock;
 
 extern atomic_t originator_interval;
 extern atomic_t vis_interval;
+extern atomic_t vis_mode;
 extern atomic_t aggregation_enabled;
 extern int16_t num_hna;
 extern int16_t num_ifs;
@@ -147,5 +151,3 @@ int choose_orig(void *data, int32_t size);
 int is_my_mac(uint8_t *addr);
 int is_bcast(uint8_t *addr);
 int is_mcast(uint8_t *addr);
-
-
diff --git a/drivers/staging/batman-adv/originator.c b/drivers/staging/batman-adv/originator.c
new file mode 100644
index 000000000000..29c241119a3b
--- /dev/null
+++ b/drivers/staging/batman-adv/originator.c
@@ -0,0 +1,252 @@
+/*
+ * Copyright (C) 2009 B.A.T.M.A.N. contributors:
+ *
+ * Marek Lindner, Simon Wunderlich
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ *
+ */
+
+/* increase the reference counter for this originator */
+
+#include "main.h"
+#include "originator.h"
+#include "hash.h"
+#include "translation-table.h"
+#include "routing.h"
+
+static DECLARE_DELAYED_WORK(purge_orig_wq, purge_orig);
+
+static void start_purge_timer(void)
+{
+	queue_delayed_work(bat_event_workqueue, &purge_orig_wq, 1 * HZ);
+}
+
+int originator_init(void)
+{
+	unsigned long flags;
+	if (orig_hash)
+		return 1;
+
+	spin_lock_irqsave(&orig_hash_lock, flags);
+	orig_hash = hash_new(128, compare_orig, choose_orig);
+
+	if (!orig_hash)
+		goto err;
+
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
+	start_purge_timer();
+	return 1;
+
+err:
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
+	return 0;
+}
+
+void originator_free(void)
+{
+	unsigned long flags;
+
+	if (!orig_hash)
+		return;
+
+	cancel_delayed_work_sync(&purge_orig_wq);
+
+	spin_lock_irqsave(&orig_hash_lock, flags);
+	hash_delete(orig_hash, free_orig_node);
+	orig_hash = NULL;
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
+}
+
+struct neigh_node *
+create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node,
+		uint8_t *neigh, struct batman_if *if_incoming)
+{
+	struct neigh_node *neigh_node;
+
+	bat_dbg(DBG_BATMAN, "Creating new last-hop neighbor of originator\n");
+
+	neigh_node = kzalloc(sizeof(struct neigh_node), GFP_ATOMIC);
+	if (!neigh_node)
+		return NULL;
+
+	INIT_LIST_HEAD(&neigh_node->list);
+
+	memcpy(neigh_node->addr, neigh, ETH_ALEN);
+	neigh_node->orig_node = orig_neigh_node;
+	neigh_node->if_incoming = if_incoming;
+
+	list_add_tail(&neigh_node->list, &orig_node->neigh_list);
+	return neigh_node;
+}
+
+void free_orig_node(void *data)
+{
+	struct list_head *list_pos, *list_pos_tmp;
+	struct neigh_node *neigh_node;
+	struct orig_node *orig_node = (struct orig_node *)data;
+
+	/* for all neighbors towards this originator ... */
+	list_for_each_safe(list_pos, list_pos_tmp, &orig_node->neigh_list) {
+		neigh_node = list_entry(list_pos, struct neigh_node, list);
+
+		list_del(list_pos);
+		kfree(neigh_node);
+	}
+
+	hna_global_del_orig(orig_node, "originator timed out");
+
+	kfree(orig_node->bcast_own);
+	kfree(orig_node->bcast_own_sum);
+	kfree(orig_node);
+}
+
+/* this function finds or creates an originator entry for the given
+ * address if it does not exits */
+struct orig_node *get_orig_node(uint8_t *addr)
+{
+	struct orig_node *orig_node;
+	struct hashtable_t *swaphash;
+	int size;
+
+	orig_node = ((struct orig_node *)hash_find(orig_hash, addr));
+
+	if (orig_node != NULL)
+		return orig_node;
+
+	bat_dbg(DBG_BATMAN, "Creating new originator: %pM \n", addr);
+
+	orig_node = kzalloc(sizeof(struct orig_node), GFP_ATOMIC);
+	if (!orig_node)
+		return NULL;
+
+	INIT_LIST_HEAD(&orig_node->neigh_list);
+
+	memcpy(orig_node->orig, addr, ETH_ALEN);
+	orig_node->router = NULL;
+	orig_node->batman_if = NULL;
+	orig_node->hna_buff = NULL;
+
+	size = num_ifs * sizeof(TYPE_OF_WORD) * NUM_WORDS;
+
+	orig_node->bcast_own = kzalloc(size, GFP_ATOMIC);
+	if (!orig_node->bcast_own)
+		goto free_orig_node;
+
+	size = num_ifs * sizeof(uint8_t);
+	orig_node->bcast_own_sum = kzalloc(size, GFP_ATOMIC);
+	if (!orig_node->bcast_own_sum)
+		goto free_bcast_own;
+
+	if (hash_add(orig_hash, orig_node) < 0)
+		goto free_bcast_own_sum;
+
+	if (orig_hash->elements * 4 > orig_hash->size) {
+		swaphash = hash_resize(orig_hash, orig_hash->size * 2);
+
+		if (swaphash == NULL)
+			printk(KERN_ERR
+			       "batman-adv:Couldn't resize orig hash table \n");
+		else
+			orig_hash = swaphash;
+	}
+
+	return orig_node;
+free_bcast_own_sum:
+	kfree(orig_node->bcast_own_sum);
+free_bcast_own:
+	kfree(orig_node->bcast_own);
+free_orig_node:
+	kfree(orig_node);
+	return NULL;
+}
+
+static bool purge_orig_neighbors(struct orig_node *orig_node,
+				 struct neigh_node **best_neigh_node)
+{
+	struct list_head *list_pos, *list_pos_tmp;
+	struct neigh_node *neigh_node;
+	bool neigh_purged = false;
+
+	*best_neigh_node = NULL;
+
+
+	/* for all neighbors towards this originator ... */
+	list_for_each_safe(list_pos, list_pos_tmp, &orig_node->neigh_list) {
+		neigh_node = list_entry(list_pos, struct neigh_node, list);
+
+		if (time_after(jiffies,
+			       (neigh_node->last_valid +
+				((PURGE_TIMEOUT * HZ) / 1000)))) {
+
+			bat_dbg(DBG_BATMAN, "neighbor timeout: originator %pM, neighbor: %pM, last_valid %lu\n", orig_node->orig, neigh_node->addr, (neigh_node->last_valid / HZ));
+
+			neigh_purged = true;
+			list_del(list_pos);
+			kfree(neigh_node);
+		} else {
+			if ((*best_neigh_node == NULL) ||
+			    (neigh_node->tq_avg > (*best_neigh_node)->tq_avg))
+				*best_neigh_node = neigh_node;
+		}
+	}
+	return neigh_purged;
+}
+
+
+static bool purge_orig_node(struct orig_node *orig_node)
+{
+	struct neigh_node *best_neigh_node;
+
+	if (time_after(jiffies,
+		       (orig_node->last_valid +
+			((2 * PURGE_TIMEOUT * HZ) / 1000)))) {
+
+		bat_dbg(DBG_BATMAN,
+			"Originator timeout: originator %pM, last_valid %lu\n",
+			orig_node->orig, (orig_node->last_valid / HZ));
+		return true;
+	} else {
+		if (purge_orig_neighbors(orig_node, &best_neigh_node))
+			update_routes(orig_node, best_neigh_node,
+				      orig_node->hna_buff,
+				      orig_node->hna_buff_len);
+	}
+	return false;
+}
+
+void purge_orig(struct work_struct *work)
+{
+	HASHIT(hashit);
+	struct orig_node *orig_node;
+	unsigned long flags;
+
+	spin_lock_irqsave(&orig_hash_lock, flags);
+
+	/* for all origins... */
+	while (hash_iterate(orig_hash, &hashit)) {
+		orig_node = hashit.bucket->data;
+		if (purge_orig_node(orig_node)) {
+			hash_remove_bucket(orig_hash, &hashit);
+			free_orig_node(orig_node);
+		}
+	}
+
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
+
+	start_purge_timer();
+}
+
+
diff --git a/drivers/staging/batman-adv/log.h b/drivers/staging/batman-adv/originator.h
index 780e3abb48f9..6ef7a054a0a9 100644
--- a/drivers/staging/batman-adv/log.h
+++ b/drivers/staging/batman-adv/originator.h
@@ -19,14 +19,13 @@
  *
  */
 
-extern const struct file_operations proc_log_operations;
-extern uint8_t log_level;
+int originator_init(void);
+void free_orig_node(void *data);
+void originator_free(void);
+void purge_orig(struct work_struct *work);
+struct orig_node *orig_find(char *mac);
+struct orig_node *get_orig_node(uint8_t *addr);
+struct neigh_node *
+create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node,
+		uint8_t *neigh, struct batman_if *if_incoming);
 
-int debug_log(int type, char *fmt, ...);
-int log_open(struct inode *inode, struct file *file);
-int log_release(struct inode *inode, struct file *file);
-ssize_t log_read(struct file *file, char __user *buf, size_t count,
-		 loff_t *ppos);
-ssize_t log_write(struct file *file, const char __user *buf, size_t count,
-		  loff_t *ppos);
-unsigned int log_poll(struct file *file, poll_table *wait);
diff --git a/drivers/staging/batman-adv/packet.h b/drivers/staging/batman-adv/packet.h
index 5627ca326018..ad006ce8b131 100644
--- a/drivers/staging/batman-adv/packet.h
+++ b/drivers/staging/batman-adv/packet.h
@@ -90,7 +90,7 @@ struct vis_packet {
 	uint8_t  entries;	 /* number of entries behind this struct */
 	uint8_t  ttl;		 /* TTL */
 	uint8_t  vis_orig[6];	 /* originator that informs about its
-				  * neighbours */
+				  * neighbors */
 	uint8_t  target_orig[6]; /* who should receive this packet */
 	uint8_t  sender_orig[6]; /* who sent or rebroadcasted this packet */
 } __attribute__((packed));
diff --git a/drivers/staging/batman-adv/proc.c b/drivers/staging/batman-adv/proc.c
index aac3df7f13fb..7de60e84bc96 100644
--- a/drivers/staging/batman-adv/proc.c
+++ b/drivers/staging/batman-adv/proc.c
@@ -21,23 +21,18 @@
 
 #include "main.h"
 #include "proc.h"
-#include "log.h"
 #include "routing.h"
 #include "translation-table.h"
 #include "hard-interface.h"
 #include "types.h"
 #include "hash.h"
 #include "vis.h"
-#include "compat.h"
-
-static uint8_t vis_format = DOT_DRAW;
 
 static struct proc_dir_entry *proc_batman_dir, *proc_interface_file;
 static struct proc_dir_entry *proc_orig_interval_file, *proc_originators_file;
-static struct proc_dir_entry *proc_log_file, *proc_log_level_file;
 static struct proc_dir_entry *proc_transt_local_file;
 static struct proc_dir_entry *proc_transt_global_file;
-static struct proc_dir_entry *proc_vis_file, *proc_vis_format_file;
+static struct proc_dir_entry *proc_vis_srv_file, *proc_vis_data_file;
 static struct proc_dir_entry *proc_aggr_file;
 
 static int proc_interfaces_read(struct seq_file *seq, void *offset)
@@ -68,7 +63,7 @@ static ssize_t proc_interfaces_write(struct file *instance,
 				     size_t count, loff_t *data)
 {
 	char *if_string, *colon_ptr = NULL, *cr_ptr = NULL;
-	int not_copied = 0, if_num = 0;
+	int not_copied = 0, if_num = 0, add_success;
 	struct batman_if *batman_if = NULL;
 
 	if_string = kmalloc(count, GFP_KERNEL);
@@ -77,8 +72,7 @@ static ssize_t proc_interfaces_write(struct file *instance,
 		return -ENOMEM;
 
 	if (count > IFNAMSIZ - 1) {
-		debug_log(LOG_TYPE_WARN,
-			  "Can't add interface: device name is too long\n");
+		printk(KERN_WARNING "batman-adv:Can't add interface: device name is too long\n");
 		goto end;
 	}
 
@@ -105,7 +99,7 @@ static ssize_t proc_interfaces_write(struct file *instance,
 	rcu_read_lock();
 	list_for_each_entry_rcu(batman_if, &if_list, list) {
 		if (strncmp(batman_if->dev, if_string, count) == 0) {
-			debug_log(LOG_TYPE_WARN, "Given interface is already active: %s\n", if_string);
+			printk(KERN_ERR "batman-adv:Given interface is already active: %s\n", if_string);
 			rcu_read_unlock();
 			goto end;
 
@@ -115,22 +109,17 @@ static ssize_t proc_interfaces_write(struct file *instance,
 	}
 	rcu_read_unlock();
 
-	hardif_add_interface(if_string, if_num);
+	add_success = hardif_add_interface(if_string, if_num);
+	if (add_success < 0)
+		goto end;
+
+	num_ifs = if_num + 1;
 
 	if ((atomic_read(&module_state) == MODULE_INACTIVE) &&
 	    (hardif_get_active_if_num() > 0))
 		activate_module();
 
-	rcu_read_lock();
-	if (list_empty(&if_list)) {
-		rcu_read_unlock();
-		goto end;
-	}
-	rcu_read_unlock();
-
-	num_ifs = if_num + 1;
 	return count;
-
 end:
 	kfree(if_string);
 	return count;
@@ -162,20 +151,18 @@ static ssize_t proc_orig_interval_write(struct file *file,
 
 	retval = strict_strtoul(interval_string, 10, &originator_interval_tmp);
 	if (retval) {
-		debug_log(LOG_TYPE_WARN, "New originator interval invalid\n");
+		printk(KERN_ERR "batman-adv:New originator interval invalid\n");
 		goto end;
 	}
 
 	if (originator_interval_tmp <= JITTER * 2) {
-		debug_log(LOG_TYPE_WARN,
-			  "New originator interval too small: %i (min: %i)\n",
-			  originator_interval_tmp, JITTER * 2);
+		printk(KERN_WARNING "batman-adv:New originator interval too small: %li (min: %i)\n",
+		       originator_interval_tmp, JITTER * 2);
 		goto end;
 	}
 
-	debug_log(LOG_TYPE_NOTICE,
-		  "Changing originator interval from: %i to: %i\n",
-		  atomic_read(&originator_interval), originator_interval_tmp);
+	printk(KERN_INFO "batman-adv:Changing originator interval from: %i to: %li\n",
+	       atomic_read(&originator_interval), originator_interval_tmp);
 
 	atomic_set(&originator_interval, originator_interval_tmp);
 
@@ -191,11 +178,12 @@ static int proc_orig_interval_open(struct inode *inode, struct file *file)
 
 static int proc_originators_read(struct seq_file *seq, void *offset)
 {
-	struct hash_it_t *hashit = NULL;
+	HASHIT(hashit);
 	struct orig_node *orig_node;
 	struct neigh_node *neigh_node;
 	int batman_count = 0;
 	char orig_str[ETH_STR_LEN], router_str[ETH_STR_LEN];
+	unsigned long flags;
 
 	rcu_read_lock();
 	if (list_empty(&if_list)) {
@@ -218,11 +206,11 @@ static int proc_originators_read(struct seq_file *seq, void *offset)
 		   ((struct batman_if *)if_list.next)->addr_str);
 
 	rcu_read_unlock();
-	spin_lock(&orig_hash_lock);
+	spin_lock_irqsave(&orig_hash_lock, flags);
 
-	while (NULL != (hashit = hash_iterate(orig_hash, hashit))) {
+	while (hash_iterate(orig_hash, &hashit)) {
 
-		orig_node = hashit->bucket->data;
+		orig_node = hashit.bucket->data;
 
 		if (!orig_node->router)
 			continue;
@@ -249,7 +237,7 @@ static int proc_originators_read(struct seq_file *seq, void *offset)
 
 	}
 
-	spin_unlock(&orig_hash_lock);
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
 
 	if (batman_count == 0)
 		seq_printf(seq, "No batman nodes in range ... \n");
@@ -263,84 +251,6 @@ static int proc_originators_open(struct inode *inode, struct file *file)
 	return single_open(file, proc_originators_read, NULL);
 }
 
-static int proc_log_level_read(struct seq_file *seq, void *offset)
-{
-
-	seq_printf(seq, "[x] %s (%d)\n", LOG_TYPE_CRIT_NAME, LOG_TYPE_CRIT);
-	seq_printf(seq, "[%c] %s (%d)\n",
-		   (LOG_TYPE_WARN & log_level) ? 'x' : ' ',
-		   LOG_TYPE_WARN_NAME, LOG_TYPE_WARN);
-	seq_printf(seq, "[%c] %s (%d)\n",
-		   (LOG_TYPE_NOTICE & log_level) ? 'x' : ' ',
-		   LOG_TYPE_NOTICE_NAME, LOG_TYPE_NOTICE);
-	seq_printf(seq, "[%c] %s (%d)\n",
-		   (LOG_TYPE_BATMAN & log_level) ? 'x' : ' ',
-		   LOG_TYPE_BATMAN_NAME, LOG_TYPE_BATMAN);
-	seq_printf(seq, "[%c] %s (%d)\n",
-		   (LOG_TYPE_ROUTES & log_level) ? 'x' : ' ',
-		   LOG_TYPE_ROUTES_NAME, LOG_TYPE_ROUTES);
-	return 0;
-}
-
-static int proc_log_level_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, proc_log_level_read, NULL);
-}
-
-static ssize_t proc_log_level_write(struct file *instance,
-				    const char __user *userbuffer,
-				    size_t count, loff_t *data)
-{
-	char *log_level_string, *tokptr, *cp;
-	int finished, not_copied = 0;
-	unsigned long log_level_tmp = 0;
-
-	log_level_string = kmalloc(count, GFP_KERNEL);
-
-	if (!log_level_string)
-		return -ENOMEM;
-
-	not_copied = copy_from_user(log_level_string, userbuffer, count);
-	log_level_string[count - not_copied - 1] = 0;
-
-	if (strict_strtoul(log_level_string, 10, &log_level_tmp) < 0) {
-		/* was not a number, doing textual parsing */
-		log_level_tmp = 0;
-		tokptr = log_level_string;
-
-		for (cp = log_level_string, finished = 0; !finished; cp++) {
-			switch (*cp) {
-			case 0:
-				finished = 1;
-			case ' ':
-			case '\n':
-			case '\t':
-				*cp = 0;
-				/* compare */
-				if (strcmp(tokptr, LOG_TYPE_WARN_NAME) == 0)
-					log_level_tmp |= LOG_TYPE_WARN;
-				if (strcmp(tokptr, LOG_TYPE_NOTICE_NAME) == 0)
-					log_level_tmp |= LOG_TYPE_NOTICE;
-				if (strcmp(tokptr, LOG_TYPE_BATMAN_NAME) == 0)
-					log_level_tmp |= LOG_TYPE_BATMAN;
-				if (strcmp(tokptr, LOG_TYPE_ROUTES_NAME) == 0)
-					log_level_tmp |= LOG_TYPE_ROUTES;
-				tokptr = cp + 1;
-				break;
-			default:
-				;
-			}
-		}
-	}
-
-	debug_log(LOG_TYPE_CRIT, "Changing log_level from: %i to: %i\n",
-		  log_level, log_level_tmp);
-	log_level = log_level_tmp;
-
-	kfree(log_level_string);
-	return count;
-}
-
 static int proc_transt_local_read(struct seq_file *seq, void *offset)
 {
 	char *buf;
@@ -405,172 +315,8 @@ static int proc_transt_global_open(struct inode *inode, struct file *file)
 	return single_open(file, proc_transt_global_read, NULL);
 }
 
-/* insert interface to the list of interfaces of one originator */
-
-static void proc_vis_insert_interface(const uint8_t *interface,
-				      struct vis_if_list **if_entry,
-				      bool primary)
-{
-	/* Did we get an empty list? (then insert imediately) */
-	if(*if_entry == NULL) {
-		*if_entry = kmalloc(sizeof(struct vis_if_list), GFP_KERNEL);
-		if (*if_entry == NULL)
-			return;
-
-		(*if_entry)->primary = primary;
-		(*if_entry)->next = NULL;
-		memcpy((*if_entry)->addr, interface, ETH_ALEN);
-	} else {
-		struct vis_if_list *head_if_entry = *if_entry;
-		/* Do we already have this interface in our list? */
-		while (!compare_orig((*if_entry)->addr, (void *)interface)) {
-
-			/* Or did we reach the end (then append the interface) */
-			if ((*if_entry)->next == NULL) {
-				(*if_entry)->next = kmalloc(sizeof(struct vis_if_list), GFP_KERNEL);
-				if ((*if_entry)->next == NULL)
-					return;
-
-				memcpy((*if_entry)->next->addr, interface, ETH_ALEN);
-				(*if_entry)->next->primary = primary;
-				(*if_entry)->next->next = NULL;
-				break;
-			}
-			*if_entry = (*if_entry)->next;
-		}
-		/* Rewind the list to its head */
-		*if_entry = head_if_entry;
-	}
-}
-/* read an entry  */
-
-static void proc_vis_read_entry(struct seq_file *seq,
-				struct vis_info_entry *entry,
-				struct vis_if_list **if_entry,
-				uint8_t *vis_orig,
-				uint8_t current_format,
-				uint8_t first_line)
-{
-	char from[40];
-	char to[40];
-	int int_part, frac_part;
-
-	addr_to_string(to, entry->dest);
-	if (entry->quality == 0) {
-#ifndef VIS_SUBCLUSTERS_DISABLED
-		proc_vis_insert_interface(vis_orig, if_entry, true);
-#endif /* VIS_SUBCLUSTERS_DISABLED */
-		addr_to_string(from, vis_orig);
-		if (current_format == DOT_DRAW) {
-			seq_printf(seq, "\t\"%s\" -> \"%s\" [label=\"HNA\"]\n",
-				   from, to);
-		} else {
-			seq_printf(seq,
-				   "%s\t{ router : \"%s\", gateway   : \"%s\", label : \"HNA\" }",
-				   (first_line ? "" : ",\n"), from, to);
-		}
-	} else {
-#ifndef VIS_SUBCLUSTERS_DISABLED
-		proc_vis_insert_interface(entry->src, if_entry, compare_orig(entry->src, vis_orig));
-#endif /* VIS_SUBCLUSTERS_DISABLED */
-		addr_to_string(from, entry->src);
-
-		/* kernel has no printf-support for %f? it'd be better to return
-		 * this in float. */
-
-		int_part = TQ_MAX_VALUE / entry->quality;
-		frac_part = 1000 * TQ_MAX_VALUE / entry->quality - int_part * 1000;
-
-		if (current_format == DOT_DRAW) {
-			seq_printf(seq,
-				   "\t\"%s\" -> \"%s\" [label=\"%d.%d\"]\n",
-				   from, to, int_part, frac_part);
-		} else {
-			seq_printf(seq,
-				   "%s\t{ router : \"%s\", neighbour : \"%s\", label : %d.%d }",
-				   (first_line ? "" : ",\n"), from, to, int_part, frac_part);
-		}
-	}
-}
-
-
-static int proc_vis_read(struct seq_file *seq, void *offset)
-{
-	struct hash_it_t *hashit = NULL;
-	struct vis_info *info;
-	struct vis_info_entry *entries;
-	struct vis_if_list *if_entries = NULL;
-	int i;
-	uint8_t current_format, first_line = 1;
-#ifndef VIS_SUBCLUSTERS_DISABLED
-	char tmp_addr_str[ETH_STR_LEN];
-	struct vis_if_list *tmp_if_next;
-#endif /* VIS_SUBCLUSTERS_DISABLED */
-
-	current_format = vis_format;
-
-	rcu_read_lock();
-	if (list_empty(&if_list) || (!is_vis_server())) {
-		rcu_read_unlock();
-		if (current_format == DOT_DRAW)
-			seq_printf(seq, "digraph {\n}\n");
-		goto end;
-	}
-
-	rcu_read_unlock();
-
-	if (current_format == DOT_DRAW)
-		seq_printf(seq, "digraph {\n");
-
-	spin_lock(&vis_hash_lock);
-	while (NULL != (hashit = hash_iterate(vis_hash, hashit))) {
-		info = hashit->bucket->data;
-		entries = (struct vis_info_entry *)
-			((char *)info + sizeof(struct vis_info));
-
-		for (i = 0; i < info->packet.entries; i++) {
-			proc_vis_read_entry(seq, &entries[i], &if_entries,
-					    info->packet.vis_orig,
-					    current_format, first_line);
-			if (first_line)
-				first_line = 0;
-		}
-
-#ifndef VIS_SUBCLUSTERS_DISABLED
-		/* Generate subgraphs from the collected items */
-		if (current_format == DOT_DRAW) {
-
-			addr_to_string(tmp_addr_str, info->packet.vis_orig);
-			seq_printf(seq, "\tsubgraph \"cluster_%s\" {\n", tmp_addr_str);
-			while (if_entries != NULL) {
-
-				addr_to_string(tmp_addr_str, if_entries->addr);
-				if (if_entries->primary)
-					seq_printf(seq, "\t\t\"%s\" [peripheries=2]\n", tmp_addr_str);
-				else
-					seq_printf(seq, "\t\t\"%s\"\n", tmp_addr_str);
-
-				/* ... and empty the list while doing this */
-				tmp_if_next = if_entries->next;
-				kfree(if_entries);
-				if_entries = tmp_if_next;
-			}
-			seq_printf(seq, "\t}\n");
-		}
-#endif /* VIS_SUBCLUSTERS_DISABLED */
-	}
-	spin_unlock(&vis_hash_lock);
-
-	if (current_format == DOT_DRAW)
-		seq_printf(seq, "}\n");
-	else
-		seq_printf(seq, "\n");
-end:
-	return 0;
-}
-
 /* setting the mode of the vis server by the user */
-static ssize_t proc_vis_write(struct file *file, const char __user * buffer,
+static ssize_t proc_vis_srv_write(struct file *file, const char __user * buffer,
 			      size_t count, loff_t *ppos)
 {
 	char *vis_mode_string;
@@ -584,72 +330,84 @@ static ssize_t proc_vis_write(struct file *file, const char __user * buffer,
 	not_copied = copy_from_user(vis_mode_string, buffer, count);
 	vis_mode_string[count - not_copied - 1] = 0;
 
-	if (strcmp(vis_mode_string, "client") == 0) {
-		debug_log(LOG_TYPE_NOTICE, "Setting VIS mode to client\n");
-		vis_set_mode(VIS_TYPE_CLIENT_UPDATE);
-	} else if (strcmp(vis_mode_string, "server") == 0) {
-		debug_log(LOG_TYPE_NOTICE, "Setting VIS mode to server\n");
-		vis_set_mode(VIS_TYPE_SERVER_SYNC);
+	if ((strcmp(vis_mode_string, "client") == 0) ||
+			(strcmp(vis_mode_string, "disabled") == 0)) {
+		printk(KERN_INFO "batman-adv:Setting VIS mode to client (disabling vis server)\n");
+		atomic_set(&vis_mode, VIS_TYPE_CLIENT_UPDATE);
+	} else if ((strcmp(vis_mode_string, "server") == 0) ||
+			(strcmp(vis_mode_string, "enabled") == 0)) {
+		printk(KERN_INFO "batman-adv:Setting VIS mode to server (enabling vis server)\n");
+		atomic_set(&vis_mode, VIS_TYPE_SERVER_SYNC);
 	} else
-		debug_log(LOG_TYPE_WARN, "Unknown VIS mode: %s\n",
-			  vis_mode_string);
+		printk(KERN_ERR "batman-adv:Unknown VIS mode: %s\n",
+		       vis_mode_string);
 
 	kfree(vis_mode_string);
 	return count;
 }
 
-static int proc_vis_open(struct inode *inode, struct file *file)
+static int proc_vis_srv_read(struct seq_file *seq, void *offset)
 {
-	return single_open(file, proc_vis_read, NULL);
-}
+	int vis_server = atomic_read(&vis_mode);
+
+	seq_printf(seq, "[%c] client mode (server disabled) \n",
+			(vis_server == VIS_TYPE_CLIENT_UPDATE) ? 'x' : ' ');
+	seq_printf(seq, "[%c] server mode (server enabled) \n",
+			(vis_server == VIS_TYPE_SERVER_SYNC) ? 'x' : ' ');
 
-static int proc_vis_format_read(struct seq_file *seq, void *offset)
-{
-	uint8_t current_format = vis_format;
-
-	seq_printf(seq, "[%c] %s\n",
-		   (current_format == DOT_DRAW) ? 'x' : ' ',
-		   VIS_FORMAT_DD_NAME);
-	seq_printf(seq, "[%c] %s\n",
-		   (current_format == JSON) ? 'x' : ' ',
-		   VIS_FORMAT_JSON_NAME);
 	return 0;
 }
 
-static int proc_vis_format_open(struct inode *inode, struct file *file)
+static int proc_vis_srv_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, proc_vis_format_read, NULL);
+	return single_open(file, proc_vis_srv_read, NULL);
 }
 
-static ssize_t proc_vis_format_write(struct file *file,
-				     const char __user *buffer,
-				     size_t count, loff_t *ppos)
+static int proc_vis_data_read(struct seq_file *seq, void *offset)
 {
-	char *vis_format_string;
-	int not_copied = 0;
+	HASHIT(hashit);
+	struct vis_info *info;
+	struct vis_info_entry *entries;
+	HLIST_HEAD(vis_if_list);
+	int i;
+	char tmp_addr_str[ETH_STR_LEN];
+	unsigned long flags;
+	int vis_server = atomic_read(&vis_mode);
+
+	rcu_read_lock();
+	if (list_empty(&if_list) || (vis_server == VIS_TYPE_CLIENT_UPDATE)) {
+		rcu_read_unlock();
+		goto end;
+	}
 
-	vis_format_string = kmalloc(count, GFP_KERNEL);
+	rcu_read_unlock();
 
-	if (!vis_format_string)
-		return -ENOMEM;
+	spin_lock_irqsave(&vis_hash_lock, flags);
+	while (hash_iterate(vis_hash, &hashit)) {
+		info = hashit.bucket->data;
+		entries = (struct vis_info_entry *)
+			((char *)info + sizeof(struct vis_info));
+		addr_to_string(tmp_addr_str, info->packet.vis_orig);
+		seq_printf(seq, "%s,", tmp_addr_str);
 
-	not_copied = copy_from_user(vis_format_string, buffer, count);
-	vis_format_string[count - not_copied - 1] = 0;
-
-	if (strcmp(vis_format_string, VIS_FORMAT_DD_NAME) == 0) {
-		debug_log(LOG_TYPE_NOTICE, "Setting VIS output format to: %s\n",
-			  VIS_FORMAT_DD_NAME);
-		vis_format = DOT_DRAW;
-	} else if (strcmp(vis_format_string, VIS_FORMAT_JSON_NAME) == 0) {
-		debug_log(LOG_TYPE_NOTICE, "Setting VIS output format to: %s\n",
-			  VIS_FORMAT_JSON_NAME);
-		vis_format = JSON;
-	} else
-		debug_log(LOG_TYPE_WARN, "Unknown VIS output format: %s\n",
-			  vis_format_string);
+		for (i = 0; i < info->packet.entries; i++) {
+			proc_vis_read_entry(seq, &entries[i], &vis_if_list,
+					    info->packet.vis_orig);
+		}
 
-	kfree(vis_format_string);
-	return count;
+		/* add primary/secondary records */
+		proc_vis_read_prim_sec(seq, &vis_if_list);
+		seq_printf(seq, "\n");
+	}
+	spin_unlock_irqrestore(&vis_hash_lock, flags);
+
+end:
+	return 0;
+}
+
+static int proc_vis_data_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, proc_vis_data_read, NULL);
 }
 
 static int proc_aggr_read(struct seq_file *seq, void *offset)
@@ -665,6 +423,7 @@ static ssize_t proc_aggr_write(struct file *file, const char __user *buffer,
 	char *aggr_string;
 	int not_copied = 0;
 	unsigned long aggregation_enabled_tmp;
+	int retval;
 
 	aggr_string = kmalloc(count, GFP_KERNEL);
 
@@ -674,22 +433,21 @@ static ssize_t proc_aggr_write(struct file *file, const char __user *buffer,
 	not_copied = copy_from_user(aggr_string, buffer, count);
 	aggr_string[count - not_copied - 1] = 0;
 
-	strict_strtoul(aggr_string, 10, &aggregation_enabled_tmp);
+	retval = strict_strtoul(aggr_string, 10, &aggregation_enabled_tmp);
 
-	if ((aggregation_enabled_tmp != 0) && (aggregation_enabled_tmp != 1)) {
-		debug_log(LOG_TYPE_WARN, "Aggregation can only be enabled (1) or disabled (0), given value: %li\n", aggregation_enabled_tmp);
-		goto end;
+	if (retval || aggregation_enabled_tmp > 1) {
+		printk(KERN_ERR "batman-adv:Aggregation can only be enabled (1) or disabled (0), given value: %li\n", aggregation_enabled_tmp);
+	} else {
+		printk(KERN_INFO "batman-adv:Changing aggregation from: %s (%i) to: %s (%li)\n",
+		       (atomic_read(&aggregation_enabled) == 1 ?
+			"enabled" : "disabled"),
+		       atomic_read(&aggregation_enabled),
+		       (aggregation_enabled_tmp == 1 ? "enabled" : "disabled"),
+		       aggregation_enabled_tmp);
+		atomic_set(&aggregation_enabled,
+			   (unsigned)aggregation_enabled_tmp);
 	}
 
-	debug_log(LOG_TYPE_NOTICE, "Changing aggregation from: %s (%i) to: %s (%li)\n",
-		  (atomic_read(&aggregation_enabled) == 1 ?
-		   "enabled" : "disabled"),
-		  atomic_read(&aggregation_enabled),
-		  (aggregation_enabled_tmp == 1 ? "enabled" : "disabled"),
-		  aggregation_enabled_tmp);
-
-	atomic_set(&aggregation_enabled, (unsigned)aggregation_enabled_tmp);
-end:
 	kfree(aggr_string);
 	return count;
 }
@@ -715,20 +473,20 @@ static const struct file_operations proc_aggr_fops = {
 	.release	= single_release,
 };
 
-static const struct file_operations proc_vis_format_fops = {
+static const struct file_operations proc_vis_srv_fops = {
 	.owner		= THIS_MODULE,
-	.open		= proc_vis_format_open,
+	.open		= proc_vis_srv_open,
 	.read		= seq_read,
-	.write		= proc_vis_format_write,
+	.write		= proc_vis_srv_write,
 	.llseek		= seq_lseek,
 	.release	= single_release,
 };
 
-static const struct file_operations proc_vis_fops = {
+static const struct file_operations proc_vis_data_fops = {
 	.owner		= THIS_MODULE,
-	.open		= proc_vis_open,
+	.open		= proc_vis_data_open,
 	.read		= seq_read,
-	.write		= proc_vis_write,
+	.write		= proc_dummy_write,
 	.llseek		= seq_lseek,
 	.release	= single_release,
 };
@@ -760,15 +518,6 @@ static const struct file_operations proc_transt_global_fops = {
 	.release	= single_release,
 };
 
-static const struct file_operations proc_log_level_fops = {
-	.owner		= THIS_MODULE,
-	.open		= proc_log_level_open,
-	.read		= seq_read,
-	.write		= proc_log_level_write,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-};
-
 static const struct file_operations proc_interfaces_fops = {
 	.owner		= THIS_MODULE,
 	.open		= proc_interfaces_open,
@@ -795,12 +544,6 @@ void cleanup_procfs(void)
 	if (proc_transt_local_file)
 		remove_proc_entry(PROC_FILE_TRANST_LOCAL, proc_batman_dir);
 
-	if (proc_log_file)
-		remove_proc_entry(PROC_FILE_LOG, proc_batman_dir);
-
-	if (proc_log_level_file)
-		remove_proc_entry(PROC_FILE_LOG_LEVEL, proc_batman_dir);
-
 	if (proc_originators_file)
 		remove_proc_entry(PROC_FILE_ORIGINATORS, proc_batman_dir);
 
@@ -810,11 +553,11 @@ void cleanup_procfs(void)
 	if (proc_interface_file)
 		remove_proc_entry(PROC_FILE_INTERFACES, proc_batman_dir);
 
-	if (proc_vis_file)
-		remove_proc_entry(PROC_FILE_VIS, proc_batman_dir);
+	if (proc_vis_data_file)
+		remove_proc_entry(PROC_FILE_VIS_DATA, proc_batman_dir);
 
-	if (proc_vis_format_file)
-		remove_proc_entry(PROC_FILE_VIS_FORMAT, proc_batman_dir);
+	if (proc_vis_srv_file)
+		remove_proc_entry(PROC_FILE_VIS_SRV, proc_batman_dir);
 
 	if (proc_aggr_file)
 		remove_proc_entry(PROC_FILE_AGGR, proc_batman_dir);
@@ -862,17 +605,6 @@ int setup_procfs(void)
 		return -EFAULT;
 	}
 
-	proc_log_level_file = create_proc_entry(PROC_FILE_LOG_LEVEL,
-						S_IWUSR | S_IRUGO,
-						proc_batman_dir);
-	if (proc_log_level_file) {
-		proc_log_level_file->proc_fops = &proc_log_level_fops;
-	} else {
-		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_LOG_LEVEL);
-		cleanup_procfs();
-		return -EFAULT;
-	}
-
 	proc_originators_file = create_proc_entry(PROC_FILE_ORIGINATORS,
 						  S_IRUGO, proc_batman_dir);
 	if (proc_originators_file) {
@@ -883,16 +615,6 @@ int setup_procfs(void)
 		return -EFAULT;
 	}
 
-	proc_log_file = create_proc_entry(PROC_FILE_LOG,
-					  S_IRUGO, proc_batman_dir);
-	if (proc_log_file) {
-		proc_log_file->proc_fops = &proc_log_operations;
-	} else {
-		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_FILE_LOG, PROC_FILE_GATEWAYS);
-		cleanup_procfs();
-		return -EFAULT;
-	}
-
 	proc_transt_local_file = create_proc_entry(PROC_FILE_TRANST_LOCAL,
 						   S_IRUGO, proc_batman_dir);
 	if (proc_transt_local_file) {
@@ -913,23 +635,23 @@ int setup_procfs(void)
 		return -EFAULT;
 	}
 
-	proc_vis_file = create_proc_entry(PROC_FILE_VIS, S_IWUSR | S_IRUGO,
-					  proc_batman_dir);
-	if (proc_vis_file) {
-		proc_vis_file->proc_fops = &proc_vis_fops;
+	proc_vis_srv_file = create_proc_entry(PROC_FILE_VIS_SRV,
+						S_IWUSR | S_IRUGO,
+						proc_batman_dir);
+	if (proc_vis_srv_file) {
+		proc_vis_srv_file->proc_fops = &proc_vis_srv_fops;
 	} else {
-		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_VIS);
+		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_VIS_SRV);
 		cleanup_procfs();
 		return -EFAULT;
 	}
 
-	proc_vis_format_file = create_proc_entry(PROC_FILE_VIS_FORMAT,
-						 S_IWUSR | S_IRUGO,
-						 proc_batman_dir);
-	if (proc_vis_format_file) {
-		proc_vis_format_file->proc_fops = &proc_vis_format_fops;
+	proc_vis_data_file = create_proc_entry(PROC_FILE_VIS_DATA, S_IRUGO,
+					  proc_batman_dir);
+	if (proc_vis_data_file) {
+		proc_vis_data_file->proc_fops = &proc_vis_data_fops;
 	} else {
-		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_VIS_FORMAT);
+		printk(KERN_ERR "batman-adv: Registering the '/proc/net/%s/%s' file failed\n", PROC_ROOT_DIR, PROC_FILE_VIS_DATA);
 		cleanup_procfs();
 		return -EFAULT;
 	}
@@ -946,5 +668,3 @@ int setup_procfs(void)
 
 	return 0;
 }
-
-
diff --git a/drivers/staging/batman-adv/proc.h b/drivers/staging/batman-adv/proc.h
index 16d3efdebe52..cd690e0f3e44 100644
--- a/drivers/staging/batman-adv/proc.h
+++ b/drivers/staging/batman-adv/proc.h
@@ -31,19 +31,10 @@
 #define PROC_FILE_LOG_LEVEL "log_level"
 #define PROC_FILE_TRANST_LOCAL "transtable_local"
 #define PROC_FILE_TRANST_GLOBAL "transtable_global"
-#define PROC_FILE_VIS "vis"
-#define PROC_FILE_VIS_FORMAT "vis_format"
+#define PROC_FILE_VIS_SRV "vis_server"
+#define PROC_FILE_VIS_DATA "vis_data"
 #define PROC_FILE_AGGR "aggregate_ogm"
 
 void cleanup_procfs(void);
 int setup_procfs(void);
 
-/* While scanning for vis-entries of a particular vis-originator
- * this list collects its interfaces to create a subgraph/cluster
- * out of them later
- */
-struct vis_if_list {
-	uint8_t addr[ETH_ALEN];
-	bool primary;
-	struct vis_if_list *next;
-};
diff --git a/drivers/staging/batman-adv/routing.c b/drivers/staging/batman-adv/routing.c
index 4a14c363ac2b..d89048beebe1 100644
--- a/drivers/staging/batman-adv/routing.c
+++ b/drivers/staging/batman-adv/routing.c
@@ -19,304 +19,226 @@
  *
  */
 
-
-
-
-
 #include "main.h"
 #include "routing.h"
-#include "log.h"
 #include "send.h"
+#include "hash.h"
 #include "soft-interface.h"
 #include "hard-interface.h"
 #include "device.h"
 #include "translation-table.h"
+#include "originator.h"
 #include "types.h"
-#include "hash.h"
 #include "ring_buffer.h"
 #include "vis.h"
 #include "aggregation.h"
-#include "compat.h"
-
-
 
 DECLARE_WAIT_QUEUE_HEAD(thread_wait);
-static DECLARE_DELAYED_WORK(purge_orig_wq, purge_orig);
-
-static atomic_t data_ready_cond;
-atomic_t exit_cond;
-
-static void start_purge_timer(void)
-{
-	queue_delayed_work(bat_event_workqueue, &purge_orig_wq, 1 * HZ);
-}
-
-int originator_init(void)
-{
-	if (orig_hash)
-		return 1;
-
-	spin_lock(&orig_hash_lock);
-	orig_hash = hash_new(128, compare_orig, choose_orig);
-
-	if (!orig_hash)
-		goto err;
-
-	spin_unlock(&orig_hash_lock);
-	start_purge_timer();
-	return 1;
-
-err:
-	spin_unlock(&orig_hash_lock);
-	return 0;
-}
-
-void originator_free(void)
-{
-	if (!orig_hash)
-		return;
-
-	cancel_delayed_work_sync(&purge_orig_wq);
-
-	spin_lock(&orig_hash_lock);
-	hash_delete(orig_hash, free_orig_node);
-	orig_hash = NULL;
-	spin_unlock(&orig_hash_lock);
-}
 
-static struct neigh_node *create_neighbor(struct orig_node *orig_node, struct orig_node *orig_neigh_node, uint8_t *neigh, struct batman_if *if_incoming)
+void slide_own_bcast_window(struct batman_if *batman_if)
 {
-	struct neigh_node *neigh_node;
+	HASHIT(hashit);
+	struct orig_node *orig_node;
+	TYPE_OF_WORD *word;
+	unsigned long flags;
 
-	debug_log(LOG_TYPE_BATMAN, "Creating new last-hop neighbour of originator\n");
+	spin_lock_irqsave(&orig_hash_lock, flags);
 
-	neigh_node = kmalloc(sizeof(struct neigh_node), GFP_ATOMIC);
-	memset(neigh_node, 0, sizeof(struct neigh_node));
-	INIT_LIST_HEAD(&neigh_node->list);
+	while (hash_iterate(orig_hash, &hashit)) {
+		orig_node = hashit.bucket->data;
+		word = &(orig_node->bcast_own[batman_if->if_num * NUM_WORDS]);
 
-	memcpy(neigh_node->addr, neigh, ETH_ALEN);
-	neigh_node->orig_node = orig_neigh_node;
-	neigh_node->if_incoming = if_incoming;
+		bit_get_packet(word, 1, 0);
+		orig_node->bcast_own_sum[batman_if->if_num] =
+			bit_packet_count(word);
+	}
 
-	list_add_tail(&neigh_node->list, &orig_node->neigh_list);
-	return neigh_node;
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
 }
 
-void free_orig_node(void *data)
+static void update_HNA(struct orig_node *orig_node,
+		       unsigned char *hna_buff, int hna_buff_len)
 {
-	struct list_head *list_pos, *list_pos_tmp;
-	struct neigh_node *neigh_node;
-	struct orig_node *orig_node = (struct orig_node *)data;
+	if ((hna_buff_len != orig_node->hna_buff_len) ||
+	    ((hna_buff_len > 0) &&
+	     (orig_node->hna_buff_len > 0) &&
+	     (memcmp(orig_node->hna_buff, hna_buff, hna_buff_len) != 0))) {
 
-	/* for all neighbours towards this originator ... */
-	list_for_each_safe(list_pos, list_pos_tmp, &orig_node->neigh_list) {
-		neigh_node = list_entry(list_pos, struct neigh_node, list);
+		if (orig_node->hna_buff_len > 0)
+			hna_global_del_orig(orig_node,
+					    "originator changed hna");
 
-		list_del(list_pos);
-		kfree(neigh_node);
+		if ((hna_buff_len > 0) && (hna_buff != NULL))
+			hna_global_add_orig(orig_node, hna_buff, hna_buff_len);
 	}
-
-	hna_global_del_orig(orig_node, "originator timed out");
-
-	kfree(orig_node->bcast_own);
-	kfree(orig_node->bcast_own_sum);
-	kfree(orig_node);
 }
 
-/* this function finds or creates an originator entry for the given address if it does not exits */
-static struct orig_node *get_orig_node(uint8_t *addr)
+static void update_route(struct orig_node *orig_node,
+			 struct neigh_node *neigh_node,
+			 unsigned char *hna_buff, int hna_buff_len)
 {
-	struct orig_node *orig_node;
-	struct hashtable_t *swaphash;
-	char orig_str[ETH_STR_LEN];
-
-	orig_node = ((struct orig_node *)hash_find(orig_hash, addr));
-
-	if (orig_node != NULL)
-		return orig_node;
-
-	addr_to_string(orig_str, addr);
-	debug_log(LOG_TYPE_BATMAN, "Creating new originator: %s \n", orig_str);
-
-	orig_node = kmalloc(sizeof(struct orig_node), GFP_ATOMIC);
-	memset(orig_node, 0, sizeof(struct orig_node));
-	INIT_LIST_HEAD(&orig_node->neigh_list);
-
-	memcpy(orig_node->orig, addr, ETH_ALEN);
-	orig_node->router = NULL;
-	orig_node->batman_if = NULL;
-	orig_node->hna_buff = NULL;
+	/* route deleted */
+	if ((orig_node->router != NULL) && (neigh_node == NULL)) {
 
-	orig_node->bcast_own = kmalloc(num_ifs * sizeof(TYPE_OF_WORD) * NUM_WORDS, GFP_ATOMIC);
-	memset(orig_node->bcast_own, 0, num_ifs * sizeof(TYPE_OF_WORD) * NUM_WORDS);
+		bat_dbg(DBG_ROUTES, "Deleting route towards: %pM\n",
+			orig_node->orig);
+		hna_global_del_orig(orig_node, "originator timed out");
 
-	orig_node->bcast_own_sum = kmalloc(num_ifs * sizeof(uint8_t), GFP_ATOMIC);
-	memset(orig_node->bcast_own_sum, 0, num_ifs * sizeof(uint8_t));
-
-	hash_add(orig_hash, orig_node);
+		/* route added */
+	} else if ((orig_node->router == NULL) && (neigh_node != NULL)) {
 
-	if (orig_hash->elements * 4 > orig_hash->size) {
-		swaphash = hash_resize(orig_hash, orig_hash->size * 2);
+		bat_dbg(DBG_ROUTES,
+			"Adding route towards: %pM (via %pM)\n",
+			orig_node->orig, neigh_node->addr);
+		hna_global_add_orig(orig_node, hna_buff, hna_buff_len);
 
-		if (swaphash == NULL)
-			debug_log(LOG_TYPE_CRIT, "Couldn't resize orig hash table \n");
-		else
-			orig_hash = swaphash;
+		/* route changed */
+	} else {
+		bat_dbg(DBG_ROUTES, "Changing route towards: %pM (now via %pM - was via %pM)\n", orig_node->orig, neigh_node->addr, orig_node->router->addr);
 	}
 
-	return orig_node;
-}
-
-void slide_own_bcast_window(struct batman_if *batman_if)
-{
-	struct hash_it_t *hashit = NULL;
-	struct orig_node *orig_node;
-
-	spin_lock(&orig_hash_lock);
-
-	while (NULL != (hashit = hash_iterate(orig_hash, hashit))) {
-		orig_node = hashit->bucket->data;
-
-		bit_get_packet((TYPE_OF_WORD *)&(orig_node->bcast_own[batman_if->if_num * NUM_WORDS]), 1, 0);
-		orig_node->bcast_own_sum[batman_if->if_num] = bit_packet_count((TYPE_OF_WORD *)&(orig_node->bcast_own[batman_if->if_num * NUM_WORDS]));
-	}
+	if (neigh_node != NULL)
+		orig_node->batman_if = neigh_node->if_incoming;
+	else
+		orig_node->batman_if = NULL;
 
-	spin_unlock(&orig_hash_lock);
+	orig_node->router = neigh_node;
 }
 
-static void update_routes(struct orig_node *orig_node, struct neigh_node *neigh_node, unsigned char *hna_buff, int hna_buff_len)
+
+void update_routes(struct orig_node *orig_node,
+			  struct neigh_node *neigh_node,
+			  unsigned char *hna_buff, int hna_buff_len)
 {
-	char orig_str[ETH_STR_LEN], neigh_str[ETH_STR_LEN], router_str[ETH_STR_LEN];
 
 	if (orig_node == NULL)
 		return;
 
-	if (orig_node->router != neigh_node) {
-		addr_to_string(orig_str, orig_node->orig);
-
-		/* route deleted */
-		if ((orig_node->router != NULL) && (neigh_node == NULL)) {
-
-			debug_log(LOG_TYPE_ROUTES, "Deleting route towards: %s\n", orig_str);
-			hna_global_del_orig(orig_node, "originator timed out");
-
-		/* route added */
-		} else if ((orig_node->router == NULL) && (neigh_node != NULL)) {
-
-			addr_to_string(neigh_str, neigh_node->addr);
-			debug_log(LOG_TYPE_ROUTES, "Adding route towards: %s (via %s)\n", orig_str, neigh_str);
-			hna_global_add_orig(orig_node, hna_buff, hna_buff_len);
-
-		/* route changed */
-		} else {
-
-			addr_to_string(neigh_str, neigh_node->addr);
-			addr_to_string(router_str, orig_node->router->addr);
-			debug_log(LOG_TYPE_ROUTES, "Changing route towards: %s (now via %s - was via %s)\n", orig_str, neigh_str, router_str);
-
-		}
-
-		if (neigh_node != NULL)
-			orig_node->batman_if = neigh_node->if_incoming;
-		else
-			orig_node->batman_if = NULL;
-
-		orig_node->router = neigh_node;
-
+	if (orig_node->router != neigh_node)
+		update_route(orig_node, neigh_node, hna_buff, hna_buff_len);
 	/* may be just HNA changed */
-	} else {
-
-		if ((hna_buff_len != orig_node->hna_buff_len) || ((hna_buff_len > 0) && (orig_node->hna_buff_len > 0) && (memcmp(orig_node->hna_buff, hna_buff, hna_buff_len) != 0))) {
-
-			if (orig_node->hna_buff_len > 0)
-				hna_global_del_orig(orig_node, "originator changed hna");
-
-			if ((hna_buff_len > 0) && (hna_buff != NULL))
-				hna_global_add_orig(orig_node, hna_buff, hna_buff_len);
-
-		}
-
-	}
+	else
+		update_HNA(orig_node, hna_buff, hna_buff_len);
 }
 
-static int isBidirectionalNeigh(struct orig_node *orig_node, struct orig_node *orig_neigh_node, struct batman_packet *batman_packet, struct batman_if *if_incoming)
+static int isBidirectionalNeigh(struct orig_node *orig_node,
+				struct orig_node *orig_neigh_node,
+				struct batman_packet *batman_packet,
+				struct batman_if *if_incoming)
 {
 	struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
-	char orig_str[ETH_STR_LEN], neigh_str[ETH_STR_LEN];
 	unsigned char total_count;
 
-	addr_to_string(orig_str, orig_node->orig);
-	addr_to_string(neigh_str, orig_neigh_node->orig);
-
 	if (orig_node == orig_neigh_node) {
-		list_for_each_entry(tmp_neigh_node, &orig_node->neigh_list, list) {
+		list_for_each_entry(tmp_neigh_node,
+				    &orig_node->neigh_list,
+				    list) {
 
-			if (compare_orig(tmp_neigh_node->addr, orig_neigh_node->orig) && (tmp_neigh_node->if_incoming == if_incoming))
+			if (compare_orig(tmp_neigh_node->addr,
+					 orig_neigh_node->orig) &&
+			    (tmp_neigh_node->if_incoming == if_incoming))
 				neigh_node = tmp_neigh_node;
 		}
 
-		if (neigh_node == NULL)
-			neigh_node = create_neighbor(orig_node, orig_neigh_node, orig_neigh_node->orig, if_incoming);
+		if (!neigh_node)
+			neigh_node = create_neighbor(orig_node,
+						     orig_neigh_node,
+						     orig_neigh_node->orig,
+						     if_incoming);
+		/* create_neighbor failed, return 0 */
+		if (!neigh_node)
+			return 0;
 
 		neigh_node->last_valid = jiffies;
 	} else {
 		/* find packet count of corresponding one hop neighbor */
-		list_for_each_entry(tmp_neigh_node, &orig_neigh_node->neigh_list, list) {
+		list_for_each_entry(tmp_neigh_node,
+				    &orig_neigh_node->neigh_list, list) {
 
-			if (compare_orig(tmp_neigh_node->addr, orig_neigh_node->orig) && (tmp_neigh_node->if_incoming == if_incoming))
+			if (compare_orig(tmp_neigh_node->addr,
+					 orig_neigh_node->orig) &&
+			    (tmp_neigh_node->if_incoming == if_incoming))
 				neigh_node = tmp_neigh_node;
 		}
 
-		if (neigh_node == NULL)
-			neigh_node = create_neighbor(orig_neigh_node, orig_neigh_node, orig_neigh_node->orig, if_incoming);
+		if (!neigh_node)
+			neigh_node = create_neighbor(orig_neigh_node,
+						     orig_neigh_node,
+						     orig_neigh_node->orig,
+						     if_incoming);
+		/* create_neighbor failed, return 0 */
+		if (!neigh_node)
+			return 0;
 	}
 
 	orig_node->last_valid = jiffies;
 
 	/* pay attention to not get a value bigger than 100 % */
-	total_count = (orig_neigh_node->bcast_own_sum[if_incoming->if_num] > neigh_node->real_packet_count ? neigh_node->real_packet_count : orig_neigh_node->bcast_own_sum[if_incoming->if_num]);
+	total_count = (orig_neigh_node->bcast_own_sum[if_incoming->if_num] >
+		       neigh_node->real_packet_count ?
+		       neigh_node->real_packet_count :
+		       orig_neigh_node->bcast_own_sum[if_incoming->if_num]);
 
 	/* if we have too few packets (too less data) we set tq_own to zero */
 	/* if we receive too few packets it is not considered bidirectional */
-	if ((total_count < TQ_LOCAL_BIDRECT_SEND_MINIMUM) || (neigh_node->real_packet_count < TQ_LOCAL_BIDRECT_RECV_MINIMUM))
+	if ((total_count < TQ_LOCAL_BIDRECT_SEND_MINIMUM) ||
+	    (neigh_node->real_packet_count < TQ_LOCAL_BIDRECT_RECV_MINIMUM))
 		orig_neigh_node->tq_own = 0;
 	else
-		/* neigh_node->real_packet_count is never zero as we only purge old information when getting new information */
-		orig_neigh_node->tq_own = (TQ_MAX_VALUE * total_count) / neigh_node->real_packet_count;
+		/* neigh_node->real_packet_count is never zero as we
+		 * only purge old information when getting new
+		 * information */
+		orig_neigh_node->tq_own = (TQ_MAX_VALUE * total_count) /
+			neigh_node->real_packet_count;
 
 	/*
-	 * 1 - ((1-x) ** 3), normalized to TQ_MAX_VALUE
-	 * this does affect the nearly-symmetric links only a little,
-	 * but punishes asymmetric links more.
-	 * this will give a value between 0 and TQ_MAX_VALUE
+	 * 1 - ((1-x) ** 3), normalized to TQ_MAX_VALUE this does
+	 * affect the nearly-symmetric links only a little, but
+	 * punishes asymmetric links more.  This will give a value
+	 * between 0 and TQ_MAX_VALUE
 	 */
-	orig_neigh_node->tq_asym_penalty = TQ_MAX_VALUE - (TQ_MAX_VALUE *
-			(TQ_LOCAL_WINDOW_SIZE - neigh_node->real_packet_count) *
-			(TQ_LOCAL_WINDOW_SIZE - neigh_node->real_packet_count) *
-			(TQ_LOCAL_WINDOW_SIZE - neigh_node->real_packet_count)) /
-			(TQ_LOCAL_WINDOW_SIZE * TQ_LOCAL_WINDOW_SIZE * TQ_LOCAL_WINDOW_SIZE);
-
-	batman_packet->tq = ((batman_packet->tq * orig_neigh_node->tq_own * orig_neigh_node->tq_asym_penalty) / (TQ_MAX_VALUE *  TQ_MAX_VALUE));
-
-	debug_log(LOG_TYPE_BATMAN, "bidirectional: orig = %-15s neigh = %-15s => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, total tq: %3i \n",
-		  orig_str, neigh_str, total_count, neigh_node->real_packet_count, orig_neigh_node->tq_own, orig_neigh_node->tq_asym_penalty, batman_packet->tq);
-
-	/* if link has the minimum required transmission quality consider it bidirectional */
+	orig_neigh_node->tq_asym_penalty =
+		TQ_MAX_VALUE -
+		(TQ_MAX_VALUE *
+		 (TQ_LOCAL_WINDOW_SIZE - neigh_node->real_packet_count) *
+		 (TQ_LOCAL_WINDOW_SIZE - neigh_node->real_packet_count) *
+		 (TQ_LOCAL_WINDOW_SIZE - neigh_node->real_packet_count)) /
+		(TQ_LOCAL_WINDOW_SIZE *
+		 TQ_LOCAL_WINDOW_SIZE *
+		 TQ_LOCAL_WINDOW_SIZE);
+
+	batman_packet->tq = ((batman_packet->tq *
+			      orig_neigh_node->tq_own *
+			      orig_neigh_node->tq_asym_penalty) /
+			     (TQ_MAX_VALUE *	 TQ_MAX_VALUE));
+
+	bat_dbg(DBG_BATMAN, "bidirectional: orig = %-15pM neigh = %-15pM => own_bcast = %2i, real recv = %2i, local tq: %3i, asym_penalty: %3i, total tq: %3i \n",
+		orig_node->orig, orig_neigh_node->orig, total_count,
+		neigh_node->real_packet_count, orig_neigh_node->tq_own,
+		orig_neigh_node->tq_asym_penalty, batman_packet->tq);
+
+	/* if link has the minimum required transmission quality
+	 * consider it bidirectional */
 	if (batman_packet->tq >= TQ_TOTAL_BIDRECT_LIMIT)
 		return 1;
 
 	return 0;
 }
 
-static void update_orig(struct orig_node *orig_node, struct ethhdr *ethhdr, struct batman_packet *batman_packet, struct batman_if *if_incoming, unsigned char *hna_buff, int hna_buff_len, char is_duplicate)
+static void update_orig(struct orig_node *orig_node, struct ethhdr *ethhdr,
+			struct batman_packet *batman_packet,
+			struct batman_if *if_incoming,
+			unsigned char *hna_buff, int hna_buff_len,
+			char is_duplicate)
 {
 	struct neigh_node *neigh_node = NULL, *tmp_neigh_node = NULL;
 	int tmp_hna_buff_len;
 
-	debug_log(LOG_TYPE_BATMAN, "update_originator(): Searching and updating originator entry of received packet \n");
+	bat_dbg(DBG_BATMAN, "update_originator(): Searching and updating originator entry of received packet \n");
 
 	list_for_each_entry(tmp_neigh_node, &orig_node->neigh_list, list) {
-		if (compare_orig(tmp_neigh_node->addr, ethhdr->h_source) && (tmp_neigh_node->if_incoming == if_incoming)) {
+		if (compare_orig(tmp_neigh_node->addr, ethhdr->h_source) &&
+		    (tmp_neigh_node->if_incoming == if_incoming)) {
 			neigh_node = tmp_neigh_node;
 			continue;
 		}
@@ -324,19 +246,34 @@ static void update_orig(struct orig_node *orig_node, struct ethhdr *ethhdr, stru
 		if (is_duplicate)
 			continue;
 
-		ring_buffer_set(tmp_neigh_node->tq_recv, &tmp_neigh_node->tq_index, 0);
-		tmp_neigh_node->tq_avg = ring_buffer_avg(tmp_neigh_node->tq_recv);
+		ring_buffer_set(tmp_neigh_node->tq_recv,
+				&tmp_neigh_node->tq_index, 0);
+		tmp_neigh_node->tq_avg =
+			ring_buffer_avg(tmp_neigh_node->tq_recv);
 	}
 
-	if (neigh_node == NULL)
-		neigh_node = create_neighbor(orig_node, get_orig_node(ethhdr->h_source), ethhdr->h_source, if_incoming);
-	else
-		debug_log(LOG_TYPE_BATMAN, "Updating existing last-hop neighbour of originator\n");
+	if (!neigh_node) {
+		struct orig_node *orig_tmp;
+
+		orig_tmp = get_orig_node(ethhdr->h_source);
+		if (!orig_tmp)
+			return;
+
+		neigh_node = create_neighbor(orig_node,
+					     orig_tmp,
+					     ethhdr->h_source, if_incoming);
+		if (!neigh_node)
+			return;
+	} else
+		bat_dbg(DBG_BATMAN,
+			"Updating existing last-hop neighbor of originator\n");
 
 	orig_node->flags = batman_packet->flags;
 	neigh_node->last_valid = jiffies;
 
-	ring_buffer_set(neigh_node->tq_recv, &neigh_node->tq_index, batman_packet->tq);
+	ring_buffer_set(neigh_node->tq_recv,
+			&neigh_node->tq_index,
+			batman_packet->tq);
 	neigh_node->tq_avg = ring_buffer_avg(neigh_node->tq_recv);
 
 	if (!is_duplicate) {
@@ -344,9 +281,11 @@ static void update_orig(struct orig_node *orig_node, struct ethhdr *ethhdr, stru
 		neigh_node->last_ttl = batman_packet->ttl;
 	}
 
-	tmp_hna_buff_len = (hna_buff_len > batman_packet->num_hna * ETH_ALEN ? batman_packet->num_hna * ETH_ALEN : hna_buff_len);
+	tmp_hna_buff_len = (hna_buff_len > batman_packet->num_hna * ETH_ALEN ?
+			    batman_packet->num_hna * ETH_ALEN : hna_buff_len);
 
-	/* if this neighbor already is our next hop there is nothing to change */
+	/* if this neighbor already is our next hop there is nothing
+	 * to change */
 	if (orig_node->router == neigh_node)
 		goto update_hna;
 
@@ -355,11 +294,12 @@ static void update_orig(struct orig_node *orig_node, struct ethhdr *ethhdr, stru
 	    (orig_node->router->tq_avg > neigh_node->tq_avg))
 		goto update_hna;
 
-	/* if the TQ is the same and the link not more symetric we won't consider it either */
+	/* if the TQ is the same and the link not more symetric we
+	 * won't consider it either */
 	if ((orig_node->router) &&
 	     ((neigh_node->tq_avg == orig_node->router->tq_avg) &&
-	     (orig_node->router->orig_node->bcast_own_sum[if_incoming->if_num] >=
-	      neigh_node->orig_node->bcast_own_sum[if_incoming->if_num])))
+	     (orig_node->router->orig_node->bcast_own_sum[if_incoming->if_num]
+	      >= neigh_node->orig_node->bcast_own_sum[if_incoming->if_num])))
 		goto update_hna;
 
 	update_routes(orig_node, neigh_node, hna_buff, tmp_hna_buff_len);
@@ -367,60 +307,72 @@ static void update_orig(struct orig_node *orig_node, struct ethhdr *ethhdr, stru
 
 update_hna:
 	update_routes(orig_node, orig_node->router, hna_buff, tmp_hna_buff_len);
-	return;
 }
 
-static char count_real_packets(struct ethhdr *ethhdr, struct batman_packet *batman_packet, struct batman_if *if_incoming)
+static char count_real_packets(struct ethhdr *ethhdr,
+			       struct batman_packet *batman_packet,
+			       struct batman_if *if_incoming)
 {
 	struct orig_node *orig_node;
 	struct neigh_node *tmp_neigh_node;
 	char is_duplicate = 0;
-
+	uint16_t seq_diff;
 
 	orig_node = get_orig_node(batman_packet->orig);
 	if (orig_node == NULL)
 		return 0;
 
-
 	list_for_each_entry(tmp_neigh_node, &orig_node->neigh_list, list) {
 
 		if (!is_duplicate)
-			is_duplicate = get_bit_status(tmp_neigh_node->real_bits, orig_node->last_real_seqno, batman_packet->seqno);
-
-		if (compare_orig(tmp_neigh_node->addr, ethhdr->h_source) && (tmp_neigh_node->if_incoming == if_incoming))
-			bit_get_packet(tmp_neigh_node->real_bits, batman_packet->seqno - orig_node->last_real_seqno, 1);
+			is_duplicate =
+				get_bit_status(tmp_neigh_node->real_bits,
+					       orig_node->last_real_seqno,
+					       batman_packet->seqno);
+		seq_diff = batman_packet->seqno - orig_node->last_real_seqno;
+		if (compare_orig(tmp_neigh_node->addr, ethhdr->h_source) &&
+		    (tmp_neigh_node->if_incoming == if_incoming))
+			bit_get_packet(tmp_neigh_node->real_bits, seq_diff, 1);
 		else
-			bit_get_packet(tmp_neigh_node->real_bits, batman_packet->seqno - orig_node->last_real_seqno, 0);
+			bit_get_packet(tmp_neigh_node->real_bits, seq_diff, 0);
 
-		tmp_neigh_node->real_packet_count = bit_packet_count(tmp_neigh_node->real_bits);
+		tmp_neigh_node->real_packet_count =
+			bit_packet_count(tmp_neigh_node->real_bits);
 	}
 
 	if (!is_duplicate) {
-		debug_log(LOG_TYPE_BATMAN, "updating last_seqno: old %d, new %d \n", orig_node->last_real_seqno, batman_packet->seqno);
+		bat_dbg(DBG_BATMAN, "updating last_seqno: old %d, new %d \n",
+			orig_node->last_real_seqno, batman_packet->seqno);
 		orig_node->last_real_seqno = batman_packet->seqno;
 	}
 
 	return is_duplicate;
 }
 
-void receive_bat_packet(struct ethhdr *ethhdr, struct batman_packet *batman_packet, unsigned char *hna_buff, int hna_buff_len, struct batman_if *if_incoming)
+void receive_bat_packet(struct ethhdr *ethhdr,
+				struct batman_packet *batman_packet,
+				unsigned char *hna_buff, int hna_buff_len,
+				struct batman_if *if_incoming)
 {
 	struct batman_if *batman_if;
 	struct orig_node *orig_neigh_node, *orig_node;
-	char orig_str[ETH_STR_LEN], prev_sender_str[ETH_STR_LEN], neigh_str[ETH_STR_LEN];
 	char has_directlink_flag;
-	char is_my_addr = 0, is_my_orig = 0, is_my_oldorig = 0, is_broadcast = 0, is_bidirectional, is_single_hop_neigh, is_duplicate;
+	char is_my_addr = 0, is_my_orig = 0, is_my_oldorig = 0;
+	char is_broadcast = 0, is_bidirectional, is_single_hop_neigh;
+	char is_duplicate;
 	unsigned short if_incoming_seqno;
 
-	/* Silently drop when the batman packet is actually not a correct packet.
+	/* Silently drop when the batman packet is actually not a
+	 * correct packet.
 	 *
 	 * This might happen if a packet is padded (e.g. Ethernet has a
 	 * minimum frame length of 64 byte) and the aggregation interprets
 	 * it as an additional length.
 	 *
-	 * TODO: A more sane solution would be to have a bit in the batman_packet
-	 * to detect whether the packet is the last packet in an aggregation.
-	 * Here we expect that the padding is always zero (or not 0x01)
+	 * TODO: A more sane solution would be to have a bit in the
+	 * batman_packet to detect whether the packet is the last
+	 * packet in an aggregation.  Here we expect that the padding
+	 * is always zero (or not 0x01)
 	 */
 	if (batman_packet->packet_type != BAT_PACKET)
 		return;
@@ -428,27 +380,31 @@ void receive_bat_packet(struct ethhdr *ethhdr, struct batman_packet *batman_pack
 	/* could be changed by schedule_own_packet() */
 	if_incoming_seqno = atomic_read(&if_incoming->seqno);
 
-	addr_to_string(orig_str, batman_packet->orig);
-	addr_to_string(prev_sender_str, batman_packet->prev_sender);
-	addr_to_string(neigh_str, ethhdr->h_source);
-
 	has_directlink_flag = (batman_packet->flags & DIRECTLINK ? 1 : 0);
 
-	is_single_hop_neigh = (compare_orig(ethhdr->h_source, batman_packet->orig) ? 1 : 0);
+	is_single_hop_neigh = (compare_orig(ethhdr->h_source,
+					    batman_packet->orig) ? 1 : 0);
 
-	debug_log(LOG_TYPE_BATMAN, "Received BATMAN packet via NB: %s, IF: %s [%s] (from OG: %s, via prev OG: %s, seqno %d, tq %d, TTL %d, V %d, IDF %d) \n", neigh_str, if_incoming->dev, if_incoming->addr_str, orig_str, prev_sender_str, batman_packet->seqno, batman_packet->tq, batman_packet->ttl, batman_packet->version, has_directlink_flag);
+	bat_dbg(DBG_BATMAN, "Received BATMAN packet via NB: %pM, IF: %s [%s] (from OG: %pM, via prev OG: %pM, seqno %d, tq %d, TTL %d, V %d, IDF %d) \n",
+		ethhdr->h_source, if_incoming->dev, if_incoming->addr_str,
+		batman_packet->orig, batman_packet->prev_sender,
+		batman_packet->seqno, batman_packet->tq, batman_packet->ttl,
+		batman_packet->version, has_directlink_flag);
 
 	list_for_each_entry_rcu(batman_if, &if_list, list) {
 		if (batman_if->if_active != IF_ACTIVE)
 			continue;
 
-		if (compare_orig(ethhdr->h_source, batman_if->net_dev->dev_addr))
+		if (compare_orig(ethhdr->h_source,
+				 batman_if->net_dev->dev_addr))
 			is_my_addr = 1;
 
-		if (compare_orig(batman_packet->orig, batman_if->net_dev->dev_addr))
+		if (compare_orig(batman_packet->orig,
+				 batman_if->net_dev->dev_addr))
 			is_my_orig = 1;
 
-		if (compare_orig(batman_packet->prev_sender, batman_if->net_dev->dev_addr))
+		if (compare_orig(batman_packet->prev_sender,
+				 batman_if->net_dev->dev_addr))
 			is_my_oldorig = 1;
 
 		if (compare_orig(ethhdr->h_source, broadcastAddr))
@@ -456,44 +412,61 @@ void receive_bat_packet(struct ethhdr *ethhdr, struct batman_packet *batman_pack
 	}
 
 	if (batman_packet->version != COMPAT_VERSION) {
-		debug_log(LOG_TYPE_BATMAN, "Drop packet: incompatible batman version (%i) \n", batman_packet->version);
+		bat_dbg(DBG_BATMAN,
+			"Drop packet: incompatible batman version (%i)\n",
+			batman_packet->version);
 		return;
 	}
 
 	if (is_my_addr) {
-		debug_log(LOG_TYPE_BATMAN, "Drop packet: received my own broadcast (sender: %s) \n", neigh_str);
+		bat_dbg(DBG_BATMAN,
+			"Drop packet: received my own broadcast (sender: %pM)\n",
+			ethhdr->h_source);
 		return;
 	}
 
 	if (is_broadcast) {
-		debug_log(LOG_TYPE_BATMAN, "Drop packet: ignoring all packets with broadcast source addr (sender: %s) \n", neigh_str);
+		bat_dbg(DBG_BATMAN, "Drop packet: ignoring all packets with broadcast source addr (sender: %pM) \n", ethhdr->h_source);
 		return;
 	}
 
 	if (is_my_orig) {
+		TYPE_OF_WORD *word;
+		int offset;
+
 		orig_neigh_node = get_orig_node(ethhdr->h_source);
 
-		/* neighbour has to indicate direct link and it has to come via the corresponding interface */
-		/* if received seqno equals last send seqno save new seqno for bidirectional check */
-		if (has_directlink_flag && compare_orig(if_incoming->net_dev->dev_addr, batman_packet->orig) &&
-				  (batman_packet->seqno - if_incoming_seqno + 2 == 0)) {
-			bit_mark((TYPE_OF_WORD *)&(orig_neigh_node->bcast_own[if_incoming->if_num * NUM_WORDS]), 0);
-			orig_neigh_node->bcast_own_sum[if_incoming->if_num] = bit_packet_count((TYPE_OF_WORD *)&(orig_neigh_node->bcast_own[if_incoming->if_num * NUM_WORDS]));
+		if (!orig_neigh_node)
+			return;
+
+		/* neighbor has to indicate direct link and it has to
+		 * come via the corresponding interface */
+		/* if received seqno equals last send seqno save new
+		 * seqno for bidirectional check */
+		if (has_directlink_flag &&
+		    compare_orig(if_incoming->net_dev->dev_addr,
+				 batman_packet->orig) &&
+		    (batman_packet->seqno - if_incoming_seqno + 2 == 0)) {
+			offset = if_incoming->if_num * NUM_WORDS;
+			word = &(orig_neigh_node->bcast_own[offset]);
+			bit_mark(word, 0);
+			orig_neigh_node->bcast_own_sum[if_incoming->if_num] =
+				bit_packet_count(word);
 		}
 
-		debug_log(LOG_TYPE_BATMAN, "Drop packet: originator packet from myself (via neighbour) \n");
+		bat_dbg(DBG_BATMAN, "Drop packet: originator packet from myself (via neighbor) \n");
 		return;
 	}
 
 	if (batman_packet->tq == 0) {
 		count_real_packets(ethhdr, batman_packet, if_incoming);
 
-		debug_log(LOG_TYPE_BATMAN, "Drop packet: originator packet with tq equal 0 \n");
+		bat_dbg(DBG_BATMAN, "Drop packet: originator packet with tq equal 0 \n");
 		return;
 	}
 
 	if (is_my_oldorig) {
-		debug_log(LOG_TYPE_BATMAN, "Drop packet: ignoring all rebroadcast echos (sender: %s) \n", neigh_str);
+		bat_dbg(DBG_BATMAN, "Drop packet: ignoring all rebroadcast echos (sender: %pM) \n", ethhdr->h_source);
 		return;
 	}
 
@@ -504,507 +477,502 @@ void receive_bat_packet(struct ethhdr *ethhdr, struct batman_packet *batman_pack
 		return;
 
 	/* avoid temporary routing loops */
-	if ((orig_node->router) && (orig_node->router->orig_node->router) &&
-	    (compare_orig(orig_node->router->addr, batman_packet->prev_sender)) &&
+	if ((orig_node->router) &&
+	    (orig_node->router->orig_node->router) &&
+	    (compare_orig(orig_node->router->addr,
+			  batman_packet->prev_sender)) &&
 	    !(compare_orig(batman_packet->orig, batman_packet->prev_sender)) &&
-	    (compare_orig(orig_node->router->addr, orig_node->router->orig_node->router->addr))) {
-		debug_log(LOG_TYPE_BATMAN, "Drop packet: ignoring all rebroadcast packets that may make me loop (sender: %s) \n", neigh_str);
+	    (compare_orig(orig_node->router->addr,
+			  orig_node->router->orig_node->router->addr))) {
+		bat_dbg(DBG_BATMAN, "Drop packet: ignoring all rebroadcast packets that may make me loop (sender: %pM) \n", ethhdr->h_source);
 		return;
 	}
 
-	/* if sender is a direct neighbor the sender mac equals originator mac */
-	orig_neigh_node = (is_single_hop_neigh ? orig_node : get_orig_node(ethhdr->h_source));
+	/* if sender is a direct neighbor the sender mac equals
+	 * originator mac */
+	orig_neigh_node = (is_single_hop_neigh ?
+			   orig_node : get_orig_node(ethhdr->h_source));
 	if (orig_neigh_node == NULL)
 		return;
 
-	/* drop packet if sender is not a direct neighbor and if we don't route towards it */
-	if (!is_single_hop_neigh && (orig_neigh_node->router == NULL)) {
-		debug_log(LOG_TYPE_BATMAN, "Drop packet: OGM via unknown neighbor! \n");
+	/* drop packet if sender is not a direct neighbor and if we
+	 * don't route towards it */
+	if (!is_single_hop_neigh &&
+	    (orig_neigh_node->router == NULL)) {
+		bat_dbg(DBG_BATMAN, "Drop packet: OGM via unknown neighbor!\n");
 		return;
 	}
 
-	is_bidirectional = isBidirectionalNeigh(orig_node, orig_neigh_node, batman_packet, if_incoming);
+	is_bidirectional = isBidirectionalNeigh(orig_node, orig_neigh_node,
+						batman_packet, if_incoming);
 
-	/* update ranking if it is not a duplicate or has the same seqno and similar ttl as the non-duplicate */
-	if (is_bidirectional && (!is_duplicate ||
-		((orig_node->last_real_seqno == batman_packet->seqno) &&
-			(orig_node->last_ttl - 3 <= batman_packet->ttl))))
-		update_orig(orig_node, ethhdr, batman_packet, if_incoming, hna_buff, hna_buff_len, is_duplicate);
+	/* update ranking if it is not a duplicate or has the same
+	 * seqno and similar ttl as the non-duplicate */
+	if (is_bidirectional &&
+	    (!is_duplicate ||
+	     ((orig_node->last_real_seqno == batman_packet->seqno) &&
+	      (orig_node->last_ttl - 3 <= batman_packet->ttl))))
+		update_orig(orig_node, ethhdr, batman_packet,
+			    if_incoming, hna_buff, hna_buff_len, is_duplicate);
 
-	/* is single hop (direct) neighbour */
+	/* is single hop (direct) neighbor */
 	if (is_single_hop_neigh) {
 
 		/* mark direct link on incoming interface */
-		schedule_forward_packet(orig_node, ethhdr, batman_packet, 1, hna_buff_len, if_incoming);
+		schedule_forward_packet(orig_node, ethhdr, batman_packet,
+					1, hna_buff_len, if_incoming);
 
-		debug_log(LOG_TYPE_BATMAN, "Forwarding packet: rebroadcast neighbour packet with direct link flag \n");
+		bat_dbg(DBG_BATMAN, "Forwarding packet: rebroadcast neighbor packet with direct link flag\n");
 		return;
 	}
 
 	/* multihop originator */
 	if (!is_bidirectional) {
-		debug_log(LOG_TYPE_BATMAN, "Drop packet: not received via bidirectional link\n");
+		bat_dbg(DBG_BATMAN,
+			"Drop packet: not received via bidirectional link\n");
 		return;
 	}
 
 	if (is_duplicate) {
-		debug_log(LOG_TYPE_BATMAN, "Drop packet: duplicate packet received\n");
+		bat_dbg(DBG_BATMAN, "Drop packet: duplicate packet received\n");
 		return;
 	}
 
-	debug_log(LOG_TYPE_BATMAN, "Forwarding packet: rebroadcast originator packet \n");
-	schedule_forward_packet(orig_node, ethhdr, batman_packet, 0, hna_buff_len, if_incoming);
+	bat_dbg(DBG_BATMAN,
+		"Forwarding packet: rebroadcast originator packet\n");
+	schedule_forward_packet(orig_node, ethhdr, batman_packet,
+				0, hna_buff_len, if_incoming);
 }
 
-void purge_orig(struct work_struct *work)
+int recv_bat_packet(struct sk_buff *skb,
+				struct batman_if *batman_if)
 {
-	struct list_head *list_pos, *list_pos_tmp;
-	struct hash_it_t *hashit = NULL;
-	struct orig_node *orig_node;
-	struct neigh_node *neigh_node, *best_neigh_node;
-	char orig_str[ETH_STR_LEN], neigh_str[ETH_STR_LEN], neigh_purged;
-
-	spin_lock(&orig_hash_lock);
-
-	/* for all origins... */
-	while (NULL != (hashit = hash_iterate(orig_hash, hashit))) {
-
-		orig_node = hashit->bucket->data;
-		addr_to_string(orig_str, orig_node->orig);
-
-		if (time_after(jiffies, orig_node->last_valid + ((2 * PURGE_TIMEOUT * HZ) / 1000))) {
-
-			debug_log(LOG_TYPE_BATMAN, "Originator timeout: originator %s, last_valid %u \n", orig_str, (orig_node->last_valid / HZ));
-
-			hash_remove_bucket(orig_hash, hashit);
-			free_orig_node(orig_node);
-
-		} else {
-
-			best_neigh_node = NULL;
-			neigh_purged = 0;
-
-			/* for all neighbours towards this originator ... */
-			list_for_each_safe(list_pos, list_pos_tmp, &orig_node->neigh_list) {
-				neigh_node = list_entry(list_pos, struct neigh_node, list);
-
-				if (time_after(jiffies, neigh_node->last_valid + ((PURGE_TIMEOUT * HZ) / 1000))) {
-
-					addr_to_string(neigh_str, neigh_node->addr);
-					debug_log(LOG_TYPE_BATMAN, "Neighbour timeout: originator %s, neighbour: %s, last_valid %u \n", orig_str, neigh_str, (neigh_node->last_valid / HZ));
-
-					neigh_purged = 1;
-					list_del(list_pos);
-					kfree(neigh_node);
-
-				} else {
-
-					if ((best_neigh_node == NULL) || (neigh_node->tq_avg > best_neigh_node->tq_avg))
-						best_neigh_node = neigh_node;
-
-				}
-
-			}
+	struct ethhdr *ethhdr;
+	unsigned long flags;
+
+	/* drop packet if it has not necessary minimum size */
+	if (skb_headlen(skb) < sizeof(struct batman_packet))
+		return NET_RX_DROP;
+
+	ethhdr = (struct ethhdr *)skb_mac_header(skb);
+
+	/* packet with broadcast indication but unicast recipient */
+	if (!is_bcast(ethhdr->h_dest))
+		return NET_RX_DROP;
+
+	/* packet with broadcast sender address */
+	if (is_bcast(ethhdr->h_source))
+		return NET_RX_DROP;
+
+	spin_lock_irqsave(&orig_hash_lock, flags);
+	/* TODO: we use headlen instead of "length", because
+	 * only this data is paged in. */
+	/* TODO: is another skb_copy needed here? there will be
+	 * written on the data, but nobody (?) should further use
+	 * this data */
+	receive_aggr_bat_packet(ethhdr,
+				skb->data,
+				skb_headlen(skb),
+				batman_if);
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
+
+	kfree_skb(skb);
+	return NET_RX_SUCCESS;
+}
 
-			if (neigh_purged)
-				update_routes(orig_node, best_neigh_node, orig_node->hna_buff, orig_node->hna_buff_len);
+static int recv_my_icmp_packet(struct sk_buff *skb)
+{
+	struct orig_node *orig_node;
+	struct icmp_packet *icmp_packet;
+	struct ethhdr *ethhdr;
+	struct sk_buff *skb_old;
+	struct batman_if *batman_if;
+	int ret;
+	unsigned long flags;
+	uint8_t dstaddr[ETH_ALEN];
 
-		}
+	icmp_packet = (struct icmp_packet *) skb->data;
+	ethhdr = (struct ethhdr *) skb_mac_header(skb);
 
+	/* add data to device queue */
+	if (icmp_packet->msg_type != ECHO_REQUEST) {
+		bat_device_receive_packet(icmp_packet);
+		return NET_RX_DROP;
 	}
 
-	spin_unlock(&orig_hash_lock);
+	/* answer echo request (ping) */
+	/* get routing information */
+	spin_lock_irqsave(&orig_hash_lock, flags);
+	orig_node = ((struct orig_node *)hash_find(orig_hash,
+						   icmp_packet->orig));
+	ret = NET_RX_DROP;
+
+	if ((orig_node != NULL) &&
+	    (orig_node->batman_if != NULL) &&
+	    (orig_node->router != NULL)) {
+
+		/* don't lock while sending the packets ... we therefore
+		 * copy the required data before sending */
+		batman_if = orig_node->batman_if;
+		memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
+		spin_unlock_irqrestore(&orig_hash_lock, flags);
+
+		/* create a copy of the skb, if needed, to modify it. */
+		skb_old = NULL;
+		if (!skb_clone_writable(skb, sizeof(struct icmp_packet))) {
+			skb_old = skb;
+			skb = skb_copy(skb, GFP_ATOMIC);
+			if (!skb)
+				return NET_RX_DROP;
+			icmp_packet = (struct icmp_packet *) skb->data;
+			kfree_skb(skb_old);
+		}
 
-	start_purge_timer();
-}
+		memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
+		memcpy(icmp_packet->orig, ethhdr->h_dest, ETH_ALEN);
+		icmp_packet->msg_type = ECHO_REPLY;
+		icmp_packet->ttl = TTL;
 
-static int receive_raw_packet(struct socket *raw_sock, unsigned char *packet_buff, int packet_buff_len)
-{
-	struct kvec iov;
-	struct msghdr msg;
+		send_skb_packet(skb, batman_if, dstaddr);
+		ret = NET_RX_SUCCESS;
 
-	iov.iov_base = packet_buff;
-	iov.iov_len = packet_buff_len;
+	} else
+		spin_unlock_irqrestore(&orig_hash_lock, flags);
 
-	msg.msg_flags = MSG_DONTWAIT;	/* non-blocking */
-	msg.msg_name = NULL;
-	msg.msg_namelen = 0;
-	msg.msg_control = NULL;
-
-	return kernel_recvmsg(raw_sock, &msg, &iov, 1, packet_buff_len, MSG_DONTWAIT);
+	return ret;
 }
 
-int packet_recv_thread(void *data)
+static int recv_icmp_ttl_exceeded(struct sk_buff *skb)
 {
-	struct batman_if *batman_if;
-	struct ethhdr *ethhdr;
-	struct batman_packet *batman_packet;
-	struct unicast_packet *unicast_packet;
-	struct bcast_packet *bcast_packet;
-	struct icmp_packet *icmp_packet;
-	struct vis_packet *vis_packet;
 	struct orig_node *orig_node;
-	unsigned char *packet_buff, src_str[ETH_STR_LEN], dst_str[ETH_STR_LEN];
-	int vis_info_len;
-	int result;
-
-	atomic_set(&data_ready_cond, 0);
-	atomic_set(&exit_cond, 0);
-	packet_buff = kmalloc(PACKBUFF_SIZE, GFP_KERNEL);
-	if (!packet_buff) {
-		debug_log(LOG_TYPE_CRIT, "Could allocate memory for the packet buffer. :(\n");
-		return -1;
+	struct icmp_packet *icmp_packet;
+	struct ethhdr *ethhdr;
+	struct sk_buff *skb_old;
+	struct batman_if *batman_if;
+	int ret;
+	unsigned long flags;
+	uint8_t dstaddr[ETH_ALEN];
+
+	icmp_packet = (struct icmp_packet *)skb->data;
+	ethhdr = (struct ethhdr *)skb_mac_header(skb);
+
+	/* send TTL exceeded if packet is an echo request (traceroute) */
+	if (icmp_packet->msg_type != ECHO_REQUEST) {
+		printk(KERN_WARNING "batman-adv:Warning - can't forward icmp packet from %pM to %pM: ttl exceeded\n",
+			icmp_packet->orig, icmp_packet->dst);
+		return NET_RX_DROP;
 	}
 
-	while ((!kthread_should_stop()) && (!atomic_read(&exit_cond))) {
-
-		wait_event_interruptible(thread_wait, (atomic_read(&data_ready_cond) || atomic_read(&exit_cond)));
-
-		atomic_set(&data_ready_cond, 0);
-
-		if (kthread_should_stop() || atomic_read(&exit_cond))
-			break;
-
-		/* we only want to safely traverse the list, hard-interfaces
-		 * won't be deleted anyway as long as this thread runs. */
-
-		rcu_read_lock();
-		list_for_each_entry_rcu(batman_if, &if_list, list) {
-			rcu_read_unlock();
-
-			result = -1;
-
-			while (1) {
-				if (batman_if->if_active != IF_ACTIVE) {
-					if (batman_if->if_active != IF_TO_BE_ACTIVATED)
-						debug_log(LOG_TYPE_NOTICE,
-						          "Could not read from deactivated interface %s!\n",
-						          batman_if->dev);
-
-					if (batman_if->raw_sock)
-						receive_raw_packet(batman_if->raw_sock, packet_buff, PACKBUFF_SIZE);
-					result = 0;
-					break;
-				}
-
-				result = receive_raw_packet(batman_if->raw_sock, packet_buff, PACKBUFF_SIZE);
-				if (result <= 0)
-					break;
-
-				if (result < sizeof(struct ethhdr) + 2)
-					continue;
-
-				ethhdr = (struct ethhdr *)packet_buff;
-				batman_packet = (struct batman_packet *)(packet_buff + sizeof(struct ethhdr));
-
-				if (batman_packet->version != COMPAT_VERSION) {
-					debug_log(LOG_TYPE_BATMAN, "Drop packet: incompatible batman version (%i) \n", batman_packet->version);
-					continue;
-				}
-
-				switch (batman_packet->packet_type) {
-				/* batman originator packet */
-				case BAT_PACKET:
-					/* packet with broadcast indication but unicast recipient */
-					if (!is_bcast(ethhdr->h_dest))
-						continue;
-
-					/* packet with broadcast sender address */
-					if (is_bcast(ethhdr->h_source))
-						continue;
-
-					/* drop packet if it has not at least one batman packet as payload */
-					if (result < sizeof(struct ethhdr) + sizeof(struct batman_packet))
-						continue;
-
-					spin_lock(&orig_hash_lock);
-					receive_aggr_bat_packet(ethhdr,
-					                        packet_buff + sizeof(struct ethhdr),
-					                        result - sizeof(struct ethhdr),
-					                        batman_if);
-					spin_unlock(&orig_hash_lock);
-
-					break;
-
-				/* batman icmp packet */
-				case BAT_ICMP:
-					/* packet with unicast indication but broadcast recipient */
-					if (is_bcast(ethhdr->h_dest))
-						continue;
-
-					/* packet with broadcast sender address */
-					if (is_bcast(ethhdr->h_source))
-						continue;
-
-					/* not for me */
-					if (!is_my_mac(ethhdr->h_dest))
-						continue;
-
-					/* drop packet if it has not necessary minimum size */
-					if (result < sizeof(struct ethhdr) + sizeof(struct icmp_packet))
-						continue;
-
-					icmp_packet = (struct icmp_packet *)(packet_buff + sizeof(struct ethhdr));
-
-					/* packet for me */
-					if (is_my_mac(icmp_packet->dst)) {
-
-						/* add data to device queue */
-						if (icmp_packet->msg_type != ECHO_REQUEST) {
-							bat_device_receive_packet(icmp_packet);
-							continue;
-						}
-
-						/* answer echo request (ping) */
-						/* get routing information */
-						spin_lock(&orig_hash_lock);
-						orig_node = ((struct orig_node *)hash_find(orig_hash, icmp_packet->orig));
-
-						if ((orig_node != NULL) && (orig_node->batman_if != NULL) && (orig_node->router != NULL)) {
-
-							memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
-							memcpy(icmp_packet->orig, ethhdr->h_dest, ETH_ALEN);
-							icmp_packet->msg_type = ECHO_REPLY;
-							icmp_packet->ttl = TTL;
-
-							send_raw_packet(packet_buff + sizeof(struct ethhdr),
-							                result - sizeof(struct ethhdr),
-							                orig_node->batman_if,
-							                orig_node->router->addr);
-
-						}
-
-						spin_unlock(&orig_hash_lock);
-						continue;
-
-					}
-
-					/* TTL exceeded */
-					if (icmp_packet->ttl < 2) {
-
-						addr_to_string(src_str, icmp_packet->orig);
-						addr_to_string(dst_str, icmp_packet->dst);
-
-						debug_log(LOG_TYPE_NOTICE, "Error - can't send packet from %s to %s: ttl exceeded\n", src_str, dst_str);
-
-						/* send TTL exceeded if packet is an echo request (traceroute) */
-						if (icmp_packet->msg_type != ECHO_REQUEST)
-							continue;
-
-						/* get routing information */
-						spin_lock(&orig_hash_lock);
-						orig_node = ((struct orig_node *)hash_find(orig_hash, icmp_packet->orig));
-
-						if ((orig_node != NULL) && (orig_node->batman_if != NULL) && (orig_node->router != NULL)) {
-
-							memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
-							memcpy(icmp_packet->orig, ethhdr->h_dest, ETH_ALEN);
-							icmp_packet->msg_type = TTL_EXCEEDED;
-							icmp_packet->ttl = TTL;
-
-							send_raw_packet(packet_buff + sizeof(struct ethhdr),
-							                result - sizeof(struct ethhdr),
-							                orig_node->batman_if,
-							                orig_node->router->addr);
+	/* get routing information */
+	spin_lock_irqsave(&orig_hash_lock, flags);
+	orig_node = ((struct orig_node *)
+		     hash_find(orig_hash, icmp_packet->orig));
+	ret = NET_RX_DROP;
+
+	if ((orig_node != NULL) &&
+	    (orig_node->batman_if != NULL) &&
+	    (orig_node->router != NULL)) {
+
+		/* don't lock while sending the packets ... we therefore
+		 * copy the required data before sending */
+		batman_if = orig_node->batman_if;
+		memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
+		spin_unlock_irqrestore(&orig_hash_lock, flags);
+
+		/* create a copy of the skb, if needed, to modify it. */
+		if (!skb_clone_writable(skb, sizeof(struct icmp_packet))) {
+			skb_old = skb;
+			skb = skb_copy(skb, GFP_ATOMIC);
+			if (!skb)
+				return NET_RX_DROP;
+			icmp_packet = (struct icmp_packet *) skb->data;
+			kfree_skb(skb_old);
+		}
 
-						}
+		memcpy(icmp_packet->dst, icmp_packet->orig, ETH_ALEN);
+		memcpy(icmp_packet->orig, ethhdr->h_dest, ETH_ALEN);
+		icmp_packet->msg_type = TTL_EXCEEDED;
+		icmp_packet->ttl = TTL;
 
-						spin_unlock(&orig_hash_lock);
-						continue;
+		send_skb_packet(skb, batman_if, dstaddr);
+		ret = NET_RX_SUCCESS;
 
-					}
+	} else
+		spin_unlock_irqrestore(&orig_hash_lock, flags);
 
-					/* get routing information */
-					spin_lock(&orig_hash_lock);
-					orig_node = ((struct orig_node *)hash_find(orig_hash, icmp_packet->dst));
+	return ret;
+}
 
-					if ((orig_node != NULL) && (orig_node->batman_if != NULL) && (orig_node->router != NULL)) {
 
-						/* decrement ttl */
-						icmp_packet->ttl--;
+int recv_icmp_packet(struct sk_buff *skb)
+{
+	struct icmp_packet *icmp_packet;
+	struct ethhdr *ethhdr;
+	struct orig_node *orig_node;
+	struct sk_buff *skb_old;
+	struct batman_if *batman_if;
+	int hdr_size = sizeof(struct icmp_packet);
+	int ret;
+	unsigned long flags;
+	uint8_t dstaddr[ETH_ALEN];
+
+	/* drop packet if it has not necessary minimum size */
+	if (skb_headlen(skb) < hdr_size)
+		return NET_RX_DROP;
+
+	ethhdr = (struct ethhdr *)skb_mac_header(skb);
+
+	/* packet with unicast indication but broadcast recipient */
+	if (is_bcast(ethhdr->h_dest))
+		return NET_RX_DROP;
+
+	/* packet with broadcast sender address */
+	if (is_bcast(ethhdr->h_source))
+		return NET_RX_DROP;
+
+	/* not for me */
+	if (!is_my_mac(ethhdr->h_dest))
+		return NET_RX_DROP;
+
+	icmp_packet = (struct icmp_packet *) skb->data;
+
+	/* packet for me */
+	if (is_my_mac(icmp_packet->dst))
+		return recv_my_icmp_packet(skb);
+
+	/* TTL exceeded */
+	if (icmp_packet->ttl < 2)
+		return recv_icmp_ttl_exceeded(skb);
+
+	ret = NET_RX_DROP;
+
+	/* get routing information */
+	spin_lock_irqsave(&orig_hash_lock, flags);
+	orig_node = ((struct orig_node *)
+		     hash_find(orig_hash, icmp_packet->dst));
+
+	if ((orig_node != NULL) &&
+	    (orig_node->batman_if != NULL) &&
+	    (orig_node->router != NULL)) {
+
+		/* don't lock while sending the packets ... we therefore
+		 * copy the required data before sending */
+		batman_if = orig_node->batman_if;
+		memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
+		spin_unlock_irqrestore(&orig_hash_lock, flags);
+
+		/* create a copy of the skb, if needed, to modify it. */
+		if (!skb_clone_writable(skb, sizeof(struct icmp_packet))) {
+			skb_old = skb;
+			skb = skb_copy(skb, GFP_ATOMIC);
+			if (!skb)
+				return NET_RX_DROP;
+			icmp_packet = (struct icmp_packet *) skb->data;
+			kfree_skb(skb_old);
+		}
 
-						/* route it */
-						send_raw_packet(packet_buff + sizeof(struct ethhdr),
-						                result - sizeof(struct ethhdr),
-						                orig_node->batman_if,
-						                orig_node->router->addr);
-					}
+		/* decrement ttl */
+		icmp_packet->ttl--;
 
-					spin_unlock(&orig_hash_lock);
-					break;
+		/* route it */
+		send_skb_packet(skb, batman_if, dstaddr);
+		ret = NET_RX_SUCCESS;
 
-				/* unicast packet */
-				case BAT_UNICAST:
-					/* packet with unicast indication but broadcast recipient */
-					if (is_bcast(ethhdr->h_dest))
-						continue;
+	} else
+		spin_unlock_irqrestore(&orig_hash_lock, flags);
 
-					/* packet with broadcast sender address */
-					if (is_bcast(ethhdr->h_source))
-						continue;
+	return ret;
+}
 
-					/* not for me */
-					if (!is_my_mac(ethhdr->h_dest))
-						continue;
+int recv_unicast_packet(struct sk_buff *skb)
+{
+	struct unicast_packet *unicast_packet;
+	struct orig_node *orig_node;
+	struct ethhdr *ethhdr;
+	struct batman_if *batman_if;
+	struct sk_buff *skb_old;
+	uint8_t dstaddr[ETH_ALEN];
+	int hdr_size = sizeof(struct unicast_packet);
+	int ret;
+	unsigned long flags;
 
-					/* drop packet if it has not necessary minimum size */
-					if (result < sizeof(struct ethhdr) + sizeof(struct unicast_packet))
-						continue;
+	/* drop packet if it has not necessary minimum size */
+	if (skb_headlen(skb) < hdr_size)
+		return NET_RX_DROP;
 
-					unicast_packet = (struct unicast_packet *)(packet_buff + sizeof(struct ethhdr));
+	ethhdr = (struct ethhdr *) skb_mac_header(skb);
 
-					/* packet for me */
-					if (is_my_mac(unicast_packet->dest)) {
+	/* packet with unicast indication but broadcast recipient */
+	if (is_bcast(ethhdr->h_dest))
+		return NET_RX_DROP;
 
-						interface_rx(soft_device, packet_buff + sizeof(struct ethhdr) + sizeof(struct unicast_packet), result - sizeof(struct ethhdr) - sizeof(struct unicast_packet));
-						continue;
+	/* packet with broadcast sender address */
+	if (is_bcast(ethhdr->h_source))
+		return NET_RX_DROP;
 
-					}
+	/* not for me */
+	if (!is_my_mac(ethhdr->h_dest))
+		return NET_RX_DROP;
 
-					/* TTL exceeded */
-					if (unicast_packet->ttl < 2) {
-						addr_to_string(src_str, ((struct ethhdr *)(unicast_packet + 1))->h_source);
-						addr_to_string(dst_str, unicast_packet->dest);
+	unicast_packet = (struct unicast_packet *) skb->data;
 
-						debug_log(LOG_TYPE_NOTICE, "Error - can't send packet from %s to %s: ttl exceeded\n", src_str, dst_str);
-						continue;
-					}
+	/* packet for me */
+	if (is_my_mac(unicast_packet->dest)) {
+		interface_rx(skb, hdr_size);
+		return NET_RX_SUCCESS;
+	}
 
-					/* get routing information */
-					spin_lock(&orig_hash_lock);
-					orig_node = ((struct orig_node *)hash_find(orig_hash, unicast_packet->dest));
+	/* TTL exceeded */
+	if (unicast_packet->ttl < 2) {
+		printk(KERN_WARNING "batman-adv:Warning - can't forward unicast packet from %pM to %pM: ttl exceeded\n",
+		       ethhdr->h_source, unicast_packet->dest);
+		return NET_RX_DROP;
+	}
 
-					if ((orig_node != NULL) && (orig_node->batman_if != NULL) && (orig_node->router != NULL)) {
-						/* decrement ttl */
-						unicast_packet->ttl--;
+	ret = NET_RX_DROP;
+	/* get routing information */
+	spin_lock_irqsave(&orig_hash_lock, flags);
+	orig_node = ((struct orig_node *)
+		     hash_find(orig_hash, unicast_packet->dest));
+
+	if ((orig_node != NULL) &&
+	    (orig_node->batman_if != NULL) &&
+	    (orig_node->router != NULL)) {
+
+		/* don't lock while sending the packets ... we therefore
+		 * copy the required data before sending */
+		batman_if = orig_node->batman_if;
+		memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
+		spin_unlock_irqrestore(&orig_hash_lock, flags);
+
+		/* create a copy of the skb, if needed, to modify it. */
+		if (!skb_clone_writable(skb, sizeof(struct unicast_packet))) {
+			skb_old = skb;
+			skb = skb_copy(skb, GFP_ATOMIC);
+			if (!skb)
+				return NET_RX_DROP;
+			unicast_packet = (struct unicast_packet *) skb->data;
+			kfree_skb(skb_old);
+		}
+		/* decrement ttl */
+		unicast_packet->ttl--;
 
-						/* route it */
-						send_raw_packet(packet_buff + sizeof(struct ethhdr),
-						                result - sizeof(struct ethhdr),
-						                orig_node->batman_if,
-						                orig_node->router->addr);
-					}
+		/* route it */
+		send_skb_packet(skb, batman_if, dstaddr);
+		ret = NET_RX_SUCCESS;
 
-					spin_unlock(&orig_hash_lock);
-					break;
+	} else
+		spin_unlock_irqrestore(&orig_hash_lock, flags);
 
-				/* broadcast packet */
-				case BAT_BCAST:
-					/* packet with broadcast indication but unicast recipient */
-					if (!is_bcast(ethhdr->h_dest))
-						continue;
+	return ret;
+}
 
-					/* packet with broadcast sender address */
-					if (is_bcast(ethhdr->h_source))
-						continue;
 
-					/* drop packet if it has not necessary minimum size */
-					if (result < sizeof(struct ethhdr) + sizeof(struct bcast_packet))
-						continue;
+int recv_bcast_packet(struct sk_buff *skb)
+{
+	struct orig_node *orig_node;
+	struct bcast_packet *bcast_packet;
+	struct ethhdr *ethhdr;
+	int hdr_size = sizeof(struct bcast_packet);
+	unsigned long flags;
 
-					/* ignore broadcasts sent by myself */
-					if (is_my_mac(ethhdr->h_source))
-						continue;
+	/* drop packet if it has not necessary minimum size */
+	if (skb_headlen(skb) < hdr_size)
+		return NET_RX_DROP;
 
-					bcast_packet = (struct bcast_packet *)(packet_buff + sizeof(struct ethhdr));
+	ethhdr = (struct ethhdr *)skb_mac_header(skb);
 
-					/* ignore broadcasts originated by myself */
-					if (is_my_mac(bcast_packet->orig))
-						continue;
+	/* packet with broadcast indication but unicast recipient */
+	if (!is_bcast(ethhdr->h_dest))
+		return NET_RX_DROP;
 
-					spin_lock(&orig_hash_lock);
-					orig_node = ((struct orig_node *)hash_find(orig_hash, bcast_packet->orig));
+	/* packet with broadcast sender address */
+	if (is_bcast(ethhdr->h_source))
+		return NET_RX_DROP;
 
-					if (orig_node == NULL) {
-						spin_unlock(&orig_hash_lock);
-						continue;
-					}
+	/* ignore broadcasts sent by myself */
+	if (is_my_mac(ethhdr->h_source))
+		return NET_RX_DROP;
 
-					/* check flood history */
-					if (get_bit_status(orig_node->bcast_bits, orig_node->last_bcast_seqno, ntohs(bcast_packet->seqno))) {
-						spin_unlock(&orig_hash_lock);
-						continue;
-					}
+	bcast_packet = (struct bcast_packet *) skb->data;
 
-					/* mark broadcast in flood history */
-					if (bit_get_packet(orig_node->bcast_bits, ntohs(bcast_packet->seqno) - orig_node->last_bcast_seqno, 1))
-						orig_node->last_bcast_seqno = ntohs(bcast_packet->seqno);
+	/* ignore broadcasts originated by myself */
+	if (is_my_mac(bcast_packet->orig))
+		return NET_RX_DROP;
 
-					spin_unlock(&orig_hash_lock);
+	spin_lock_irqsave(&orig_hash_lock, flags);
+	orig_node = ((struct orig_node *)
+		     hash_find(orig_hash, bcast_packet->orig));
 
-					/* broadcast for me */
-					interface_rx(soft_device, packet_buff + sizeof(struct ethhdr) + sizeof(struct bcast_packet), result - sizeof(struct ethhdr) - sizeof(struct bcast_packet));
+	if (orig_node == NULL) {
+		spin_unlock_irqrestore(&orig_hash_lock, flags);
+		return NET_RX_DROP;
+	}
 
-					/* rebroadcast packet */
-					add_bcast_packet_to_list(packet_buff + sizeof(struct ethhdr),
-									result - sizeof(struct ethhdr));
+	/* check flood history */
+	if (get_bit_status(orig_node->bcast_bits,
+			   orig_node->last_bcast_seqno,
+			   ntohs(bcast_packet->seqno))) {
+		spin_unlock_irqrestore(&orig_hash_lock, flags);
+		return NET_RX_DROP;
+	}
 
-					break;
+	/* mark broadcast in flood history */
+	if (bit_get_packet(orig_node->bcast_bits,
+			   ntohs(bcast_packet->seqno) -
+			   orig_node->last_bcast_seqno, 1))
+		orig_node->last_bcast_seqno = ntohs(bcast_packet->seqno);
 
-				/* vis packet */
-				case BAT_VIS:
-					/* drop if too short. */
-					if (result < sizeof(struct ethhdr) + sizeof(struct vis_packet))
-						continue;
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
 
-					/* not for me */
-					if (!is_my_mac(ethhdr->h_dest))
-						continue;
+	/* rebroadcast packet */
+	add_bcast_packet_to_list(skb);
 
-					vis_packet = (struct vis_packet *)(packet_buff + sizeof(struct ethhdr));
-					vis_info_len = result  - sizeof(struct ethhdr) - sizeof(struct vis_packet);
+	/* broadcast for me */
+	interface_rx(skb, hdr_size);
 
-					/* ignore own packets */
-					if (is_my_mac(vis_packet->vis_orig))
-						continue;
+	return NET_RX_SUCCESS;
+}
 
-					if (is_my_mac(vis_packet->sender_orig))
-						continue;
+int recv_vis_packet(struct sk_buff *skb)
+{
+	struct vis_packet *vis_packet;
+	struct ethhdr *ethhdr;
+	int hdr_size = sizeof(struct vis_packet);
 
-					switch (vis_packet->vis_type) {
-					case VIS_TYPE_SERVER_SYNC:
-						receive_server_sync_packet(vis_packet, vis_info_len);
-						break;
+	if (skb_headlen(skb) < hdr_size)
+		return NET_RX_DROP;
 
-					case VIS_TYPE_CLIENT_UPDATE:
-						receive_client_update_packet(vis_packet, vis_info_len);
-						break;
+	vis_packet = (struct vis_packet *) skb->data;
+	ethhdr = (struct ethhdr *)skb_mac_header(skb);
 
-					default:	/* ignore unknown packet */
-						break;
-					}
+	/* not for me */
+	if (!is_my_mac(ethhdr->h_dest))
+		return NET_RX_DROP;
 
-					break;
-				}
+	/* ignore own packets */
+	if (is_my_mac(vis_packet->vis_orig))
+		return NET_RX_DROP;
 
-			}
+	if (is_my_mac(vis_packet->sender_orig))
+		return NET_RX_DROP;
 
-			if ((result < 0) && (result != -EAGAIN))
-				debug_log(LOG_TYPE_CRIT, "Could not receive packet from interface %s: %i\n", batman_if->dev, result);
+	switch (vis_packet->vis_type) {
+	case VIS_TYPE_SERVER_SYNC:
+		/* TODO: handle fragmented skbs properly */
+		receive_server_sync_packet(vis_packet, skb_headlen(skb));
+		break;
 
-			/* lock for the next iteration */
-			rcu_read_lock();
-		}
-		rcu_read_unlock();
+	case VIS_TYPE_CLIENT_UPDATE:
+		/* TODO: handle fragmented skbs properly */
+		receive_client_update_packet(vis_packet, skb_headlen(skb));
+		break;
 
+	default:	/* ignore unknown packet */
+		break;
 	}
-	kfree(packet_buff);
-
-	/* do not exit until kthread_stop() is actually called, otherwise it will wait for us
-	 * forever. */
-	while (!kthread_should_stop())
-		schedule();
-
-	return 0;
-}
-
-void batman_data_ready(struct sock *sk, int len)
-{
-	void (*data_ready)(struct sock *, int) = sk->sk_user_data;
-
-	data_ready(sk, len);
 
-	atomic_set(&data_ready_cond, 1);
-	wake_up_interruptible(&thread_wait);
+	/* We take a copy of the data in the packet, so we should
+	   always free the skbuf. */
+	return NET_RX_DROP;
 }
-
diff --git a/drivers/staging/batman-adv/routing.h b/drivers/staging/batman-adv/routing.h
index 0123ea86debb..939b8d4f733c 100644
--- a/drivers/staging/batman-adv/routing.h
+++ b/drivers/staging/batman-adv/routing.h
@@ -22,13 +22,18 @@
 #include "types.h"
 
 extern wait_queue_head_t thread_wait;
-extern atomic_t exit_cond;
 
-int originator_init(void);
-void free_orig_node(void *data);
-void originator_free(void);
 void slide_own_bcast_window(struct batman_if *batman_if);
-void batman_data_ready(struct sock *sk, int len);
-void purge_orig(struct work_struct *work);
-int packet_recv_thread(void *data);
-void receive_bat_packet(struct ethhdr *ethhdr, struct batman_packet *batman_packet, unsigned char *hna_buff, int hna_buff_len, struct batman_if *if_incoming);
+void receive_bat_packet(struct ethhdr *ethhdr,
+				struct batman_packet *batman_packet,
+				unsigned char *hna_buff, int hna_buff_len,
+				struct batman_if *if_incoming);
+void update_routes(struct orig_node *orig_node,
+				struct neigh_node *neigh_node,
+				unsigned char *hna_buff, int hna_buff_len);
+int recv_icmp_packet(struct sk_buff *skb);
+int recv_unicast_packet(struct sk_buff *skb);
+int recv_bcast_packet(struct sk_buff *skb);
+int recv_vis_packet(struct sk_buff *skb);
+int recv_bat_packet(struct sk_buff *skb,
+				struct batman_if *batman_if);
diff --git a/drivers/staging/batman-adv/send.c b/drivers/staging/batman-adv/send.c
index eb617508cca4..2a9fac8c240e 100644
--- a/drivers/staging/batman-adv/send.c
+++ b/drivers/staging/batman-adv/send.c
@@ -21,16 +21,14 @@
 
 #include "main.h"
 #include "send.h"
-#include "log.h"
 #include "routing.h"
 #include "translation-table.h"
+#include "soft-interface.h"
 #include "hard-interface.h"
 #include "types.h"
 #include "vis.h"
 #include "aggregation.h"
 
-#include "compat.h"
-
 /* apply hop penalty for a normal link */
 static uint8_t hop_penalty(const uint8_t tq)
 {
@@ -59,51 +57,69 @@ static unsigned long forward_send_time(void)
 	return send_time;
 }
 
-/* sends a raw packet. */
-void send_raw_packet(unsigned char *pack_buff, int pack_buff_len,
-		     struct batman_if *batman_if, uint8_t *dst_addr)
+/* send out an already prepared packet to the given address via the
+ * specified batman interface */
+int send_skb_packet(struct sk_buff *skb,
+				struct batman_if *batman_if,
+				uint8_t *dst_addr)
 {
 	struct ethhdr *ethhdr;
-	struct sk_buff *skb;
-	int retval;
-	char *data;
 
 	if (batman_if->if_active != IF_ACTIVE)
-		return;
+		goto send_skb_err;
+
+	if (unlikely(!batman_if->net_dev))
+		goto send_skb_err;
 
 	if (!(batman_if->net_dev->flags & IFF_UP)) {
-		debug_log(LOG_TYPE_WARN,
-		         "Interface %s is not up - can't send packet via that interface (IF_TO_BE_DEACTIVATED was here) !\n",
-		          batman_if->dev);
-		return;
+		printk(KERN_WARNING
+		       "batman-adv:Interface %s is not up - can't send packet via that interface!\n",
+		       batman_if->dev);
+		goto send_skb_err;
 	}
 
-	skb = dev_alloc_skb(pack_buff_len + sizeof(struct ethhdr));
-	if (!skb)
-		return;
-	data = skb_put(skb, pack_buff_len + sizeof(struct ethhdr));
+	/* push to the ethernet header. */
+	if (my_skb_push(skb, sizeof(struct ethhdr)) < 0)
+		goto send_skb_err;
 
-	memcpy(data + sizeof(struct ethhdr), pack_buff, pack_buff_len);
+	skb_reset_mac_header(skb);
 
-	ethhdr = (struct ethhdr *) data;
+	ethhdr = (struct ethhdr *) skb_mac_header(skb);
 	memcpy(ethhdr->h_source, batman_if->net_dev->dev_addr, ETH_ALEN);
 	memcpy(ethhdr->h_dest, dst_addr, ETH_ALEN);
 	ethhdr->h_proto = __constant_htons(ETH_P_BATMAN);
 
-	skb_reset_mac_header(skb);
 	skb_set_network_header(skb, ETH_HLEN);
 	skb->priority = TC_PRIO_CONTROL;
 	skb->protocol = __constant_htons(ETH_P_BATMAN);
+
 	skb->dev = batman_if->net_dev;
 
 	/* dev_queue_xmit() returns a negative result on error.	 However on
 	 * congestion and traffic shaping, it drops and returns NET_XMIT_DROP
 	 * (which is > 0). This will not be treated as an error. */
-	retval = dev_queue_xmit(skb);
-	if (retval < 0)
-		debug_log(LOG_TYPE_CRIT,
-		          "Can't write to raw socket (IF_TO_BE_DEACTIVATED was here): %i\n",
-		          retval);
+
+	return dev_queue_xmit(skb);
+send_skb_err:
+	kfree_skb(skb);
+	return NET_XMIT_DROP;
+}
+
+/* sends a raw packet. */
+void send_raw_packet(unsigned char *pack_buff, int pack_buff_len,
+		     struct batman_if *batman_if, uint8_t *dst_addr)
+{
+	struct sk_buff *skb;
+	char *data;
+
+	skb = dev_alloc_skb(pack_buff_len + sizeof(struct ethhdr));
+	if (!skb)
+		return;
+	data = skb_put(skb, pack_buff_len + sizeof(struct ethhdr));
+	memcpy(data + sizeof(struct ethhdr), pack_buff, pack_buff_len);
+	/* pull back to the batman "network header" */
+	skb_pull(skb, sizeof(struct ethhdr));
+	send_skb_packet(skb, batman_if, dst_addr);
 }
 
 /* Send a packet to a given interface */
@@ -114,7 +130,6 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
 	uint8_t packet_num;
 	int16_t buff_pos;
 	struct batman_packet *batman_packet;
-	char orig_str[ETH_STR_LEN];
 
 	if (batman_if->if_active != IF_ACTIVE)
 		return;
@@ -136,19 +151,18 @@ static void send_packet_to_if(struct forw_packet *forw_packet,
 		else
 			batman_packet->flags &= ~DIRECTLINK;
 
-		addr_to_string(orig_str, batman_packet->orig);
 		fwd_str = (packet_num > 0 ? "Forwarding" : (forw_packet->own ?
 							    "Sending own" :
 							    "Forwarding"));
-		debug_log(LOG_TYPE_BATMAN,
-			  "%s %spacket (originator %s, seqno %d, TQ %d, TTL %d, IDF %s) on interface %s [%s]\n",
-			  fwd_str,
-			  (packet_num > 0 ? "aggregated " : ""),
-			  orig_str, ntohs(batman_packet->seqno),
-			  batman_packet->tq, batman_packet->ttl,
-			  (batman_packet->flags & DIRECTLINK ?
-			   "on" : "off"),
-			  batman_if->dev, batman_if->addr_str);
+		bat_dbg(DBG_BATMAN,
+			"%s %spacket (originator %pM, seqno %d, TQ %d, TTL %d, IDF %s) on interface %s [%s]\n",
+			fwd_str,
+			(packet_num > 0 ? "aggregated " : ""),
+			batman_packet->orig, ntohs(batman_packet->seqno),
+			batman_packet->tq, batman_packet->ttl,
+			(batman_packet->flags & DIRECTLINK ?
+			 "on" : "off"),
+			batman_if->dev, batman_if->addr_str);
 
 		buff_pos += sizeof(struct batman_packet) +
 			(batman_packet->num_hna * ETH_ALEN);
@@ -168,32 +182,28 @@ static void send_packet(struct forw_packet *forw_packet)
 	struct batman_if *batman_if;
 	struct batman_packet *batman_packet =
 		(struct batman_packet *)(forw_packet->packet_buff);
-	char orig_str[ETH_STR_LEN];
 	unsigned char directlink = (batman_packet->flags & DIRECTLINK ? 1 : 0);
 
 	if (!forw_packet->if_incoming) {
-		debug_log(LOG_TYPE_CRIT,
-			  "Error - can't forward packet: incoming iface not specified\n");
+		printk(KERN_ERR "batman-adv: Error - can't forward packet: incoming iface not specified\n");
 		return;
 	}
 
 	if (forw_packet->if_incoming->if_active != IF_ACTIVE)
 		return;
 
-	addr_to_string(orig_str, batman_packet->orig);
-
 	/* multihomed peer assumed */
 	/* non-primary OGMs are only broadcasted on their interface */
 	if ((directlink && (batman_packet->ttl == 1)) ||
 	    (forw_packet->own && (forw_packet->if_incoming->if_num > 0))) {
 
 		/* FIXME: what about aggregated packets ? */
-		debug_log(LOG_TYPE_BATMAN,
-			  "%s packet (originator %s, seqno %d, TTL %d) on interface %s [%s]\n",
-			  (forw_packet->own ? "Sending own" : "Forwarding"),
-			  orig_str, ntohs(batman_packet->seqno),
-			  batman_packet->ttl, forw_packet->if_incoming->dev,
-			  forw_packet->if_incoming->addr_str);
+		bat_dbg(DBG_BATMAN,
+			"%s packet (originator %pM, seqno %d, TTL %d) on interface %s [%s]\n",
+			(forw_packet->own ? "Sending own" : "Forwarding"),
+			batman_packet->orig, ntohs(batman_packet->seqno),
+			batman_packet->ttl, forw_packet->if_incoming->dev,
+			forw_packet->if_incoming->addr_str);
 
 		send_raw_packet(forw_packet->packet_buff,
 				forw_packet->packet_len,
@@ -238,6 +248,7 @@ void schedule_own_packet(struct batman_if *batman_if)
 {
 	unsigned long send_time;
 	struct batman_packet *batman_packet;
+	int vis_server = atomic_read(&vis_mode);
 
 	/**
 	 * the interface gets activated here to avoid race conditions between
@@ -262,7 +273,7 @@ void schedule_own_packet(struct batman_if *batman_if)
 	/* change sequence number to network order */
 	batman_packet->seqno = htons((uint16_t)atomic_read(&batman_if->seqno));
 
-	if (is_vis_server())
+	if (vis_server == VIS_TYPE_SERVER_SYNC)
 		batman_packet->flags = VIS_SERVER;
 	else
 		batman_packet->flags = 0;
@@ -286,7 +297,7 @@ void schedule_forward_packet(struct orig_node *orig_node,
 	unsigned long send_time;
 
 	if (batman_packet->ttl <= 1) {
-		debug_log(LOG_TYPE_BATMAN, "ttl exceeded \n");
+		bat_dbg(DBG_BATMAN, "ttl exceeded \n");
 		return;
 	}
 
@@ -314,9 +325,9 @@ void schedule_forward_packet(struct orig_node *orig_node,
 	/* apply hop penalty */
 	batman_packet->tq = hop_penalty(batman_packet->tq);
 
-	debug_log(LOG_TYPE_BATMAN, "Forwarding packet: tq_orig: %i, tq_avg: %i, tq_forw: %i, ttl_orig: %i, ttl_forw: %i \n",
-		  in_tq, tq_avg, batman_packet->tq, in_ttl - 1,
-		  batman_packet->ttl);
+	bat_dbg(DBG_BATMAN, "Forwarding packet: tq_orig: %i, tq_avg: %i, tq_forw: %i, ttl_orig: %i, ttl_forw: %i \n",
+		in_tq, tq_avg, batman_packet->tq, in_ttl - 1,
+		batman_packet->ttl);
 
 	batman_packet->seqno = htons(batman_packet->seqno);
 
@@ -333,6 +344,8 @@ void schedule_forward_packet(struct orig_node *orig_node,
 
 static void forw_packet_free(struct forw_packet *forw_packet)
 {
+	if (forw_packet->skb)
+		kfree_skb(forw_packet->skb);
 	kfree(forw_packet->packet_buff);
 	kfree(forw_packet);
 }
@@ -340,12 +353,13 @@ static void forw_packet_free(struct forw_packet *forw_packet)
 static void _add_bcast_packet_to_list(struct forw_packet *forw_packet,
 				      unsigned long send_time)
 {
+	unsigned long flags;
 	INIT_HLIST_NODE(&forw_packet->list);
 
 	/* add new packet to packet list */
-	spin_lock(&forw_bcast_list_lock);
+	spin_lock_irqsave(&forw_bcast_list_lock, flags);
 	hlist_add_head(&forw_packet->list, &forw_bcast_list);
-	spin_unlock(&forw_bcast_list_lock);
+	spin_unlock_irqrestore(&forw_bcast_list_lock, flags);
 
 	/* start timer for this packet */
 	INIT_DELAYED_WORK(&forw_packet->delayed_work,
@@ -354,7 +368,7 @@ static void _add_bcast_packet_to_list(struct forw_packet *forw_packet,
 			   send_time);
 }
 
-void add_bcast_packet_to_list(unsigned char *packet_buff, int packet_len)
+void add_bcast_packet_to_list(struct sk_buff *skb)
 {
 	struct forw_packet *forw_packet;
 
@@ -362,14 +376,16 @@ void add_bcast_packet_to_list(unsigned char *packet_buff, int packet_len)
 	if (!forw_packet)
 		return;
 
-	forw_packet->packet_buff = kmalloc(packet_len, GFP_ATOMIC);
-	if (!forw_packet->packet_buff) {
+	skb = skb_copy(skb, GFP_ATOMIC);
+	if (!skb) {
 		kfree(forw_packet);
 		return;
 	}
 
-	forw_packet->packet_len = packet_len;
-	memcpy(forw_packet->packet_buff, packet_buff, forw_packet->packet_len);
+	skb_reset_mac_header(skb);
+
+	forw_packet->skb = skb;
+	forw_packet->packet_buff = NULL;
 
 	/* how often did we send the bcast packet ? */
 	forw_packet->num_packets = 0;
@@ -384,16 +400,20 @@ void send_outstanding_bcast_packet(struct work_struct *work)
 		container_of(work, struct delayed_work, work);
 	struct forw_packet *forw_packet =
 		container_of(delayed_work, struct forw_packet, delayed_work);
+	unsigned long flags;
+	struct sk_buff *skb1;
 
-	spin_lock(&forw_bcast_list_lock);
+	spin_lock_irqsave(&forw_bcast_list_lock, flags);
 	hlist_del(&forw_packet->list);
-	spin_unlock(&forw_bcast_list_lock);
+	spin_unlock_irqrestore(&forw_bcast_list_lock, flags);
 
 	/* rebroadcast packet */
 	rcu_read_lock();
 	list_for_each_entry_rcu(batman_if, &if_list, list) {
-		send_raw_packet(forw_packet->packet_buff,
-				forw_packet->packet_len,
+		/* send a copy of the saved skb */
+		skb1 = skb_copy(forw_packet->skb, GFP_ATOMIC);
+		if (skb1)
+			send_skb_packet(skb1,
 				batman_if, broadcastAddr);
 	}
 	rcu_read_unlock();
@@ -415,10 +435,11 @@ void send_outstanding_bat_packet(struct work_struct *work)
 		container_of(work, struct delayed_work, work);
 	struct forw_packet *forw_packet =
 		container_of(delayed_work, struct forw_packet, delayed_work);
+	unsigned long flags;
 
-	spin_lock(&forw_bat_list_lock);
+	spin_lock_irqsave(&forw_bat_list_lock, flags);
 	hlist_del(&forw_packet->list);
-	spin_unlock(&forw_bat_list_lock);
+	spin_unlock_irqrestore(&forw_bat_list_lock, flags);
 
 	send_packet(forw_packet);
 
@@ -438,38 +459,39 @@ void purge_outstanding_packets(void)
 {
 	struct forw_packet *forw_packet;
 	struct hlist_node *tmp_node, *safe_tmp_node;
+	unsigned long flags;
 
-	debug_log(LOG_TYPE_BATMAN, "purge_outstanding_packets()\n");
+	bat_dbg(DBG_BATMAN, "purge_outstanding_packets()\n");
 
 	/* free bcast list */
-	spin_lock(&forw_bcast_list_lock);
+	spin_lock_irqsave(&forw_bcast_list_lock, flags);
 	hlist_for_each_entry_safe(forw_packet, tmp_node, safe_tmp_node,
 				  &forw_bcast_list, list) {
 
-		spin_unlock(&forw_bcast_list_lock);
+		spin_unlock_irqrestore(&forw_bcast_list_lock, flags);
 
 		/**
 		 * send_outstanding_bcast_packet() will lock the list to
 		 * delete the item from the list
 		 */
 		cancel_delayed_work_sync(&forw_packet->delayed_work);
-		spin_lock(&forw_bcast_list_lock);
+		spin_lock_irqsave(&forw_bcast_list_lock, flags);
 	}
-	spin_unlock(&forw_bcast_list_lock);
+	spin_unlock_irqrestore(&forw_bcast_list_lock, flags);
 
 	/* free batman packet list */
-	spin_lock(&forw_bat_list_lock);
+	spin_lock_irqsave(&forw_bat_list_lock, flags);
 	hlist_for_each_entry_safe(forw_packet, tmp_node, safe_tmp_node,
 				  &forw_bat_list, list) {
 
-		spin_unlock(&forw_bat_list_lock);
+		spin_unlock_irqrestore(&forw_bat_list_lock, flags);
 
 		/**
 		 * send_outstanding_bat_packet() will lock the list to
 		 * delete the item from the list
 		 */
 		cancel_delayed_work_sync(&forw_packet->delayed_work);
-		spin_lock(&forw_bat_list_lock);
+		spin_lock_irqsave(&forw_bat_list_lock, flags);
 	}
-	spin_unlock(&forw_bat_list_lock);
+	spin_unlock_irqrestore(&forw_bat_list_lock, flags);
 }
diff --git a/drivers/staging/batman-adv/send.h b/drivers/staging/batman-adv/send.h
index 59d500917a35..5fc6f3417cb6 100644
--- a/drivers/staging/batman-adv/send.h
+++ b/drivers/staging/batman-adv/send.h
@@ -22,6 +22,9 @@
 #include "types.h"
 
 void send_own_packet_work(struct work_struct *work);
+int send_skb_packet(struct sk_buff *skb,
+				struct batman_if *batman_if,
+				uint8_t *dst_addr);
 void send_raw_packet(unsigned char *pack_buff, int pack_buff_len,
 		     struct batman_if *batman_if, uint8_t *dst_addr);
 void schedule_own_packet(struct batman_if *batman_if);
@@ -30,7 +33,7 @@ void schedule_forward_packet(struct orig_node *orig_node,
 			     struct batman_packet *batman_packet,
 			     uint8_t directlink, int hna_buff_len,
 			     struct batman_if *if_outgoing);
-void add_bcast_packet_to_list(unsigned char *packet_buff, int packet_len);
+void add_bcast_packet_to_list(struct sk_buff *skb);
 void send_outstanding_bcast_packet(struct work_struct *work);
 void send_outstanding_bat_packet(struct work_struct *work);
 void purge_outstanding_packets(void);
diff --git a/drivers/staging/batman-adv/soft-interface.c b/drivers/staging/batman-adv/soft-interface.c
index d543f50b647f..c9b35d9f7991 100644
--- a/drivers/staging/batman-adv/soft-interface.c
+++ b/drivers/staging/batman-adv/soft-interface.c
@@ -24,18 +24,15 @@
 #include "hard-interface.h"
 #include "send.h"
 #include "translation-table.h"
-#include "log.h"
 #include "types.h"
 #include "hash.h"
 #include <linux/ethtool.h>
 #include <linux/etherdevice.h>
-#include "compat.h"
 
 static uint16_t bcast_seqno = 1; /* give own bcast messages seq numbers to avoid
 				  * broadcast storms */
 static int32_t skb_packets;
 static int32_t skb_bad_packets;
-static int32_t lock_dropped;
 
 unsigned char mainIfAddr[ETH_ALEN];
 static unsigned char mainIfAddr_default[ETH_ALEN];
@@ -68,12 +65,12 @@ int main_if_was_up(void)
 	return (memcmp(mainIfAddr, mainIfAddr_default, ETH_ALEN) != 0 ? 1 : 0);
 }
 
-static int my_skb_push(struct sk_buff *skb, unsigned int len)
+int my_skb_push(struct sk_buff *skb, unsigned int len)
 {
 	int result = 0;
 
 	skb_packets++;
-	if (skb->data - len < skb->head) {
+	if (skb_headroom(skb) < len) {
 		skb_bad_packets++;
 		result = pskb_expand_head(skb, len, 0, GFP_ATOMIC);
 
@@ -122,7 +119,7 @@ void interface_setup(struct net_device *dev)
 
 	/* generate random address */
 	random_ether_addr(dev_addr);
-	memcpy(dev->dev_addr, dev_addr, sizeof(dev->dev_addr));
+	memcpy(dev->dev_addr, dev_addr, ETH_ALEN);
 
 	SET_ETHTOOL_OPS(dev, &bat_ethtool_ops);
 
@@ -147,9 +144,18 @@ struct net_device_stats *interface_stats(struct net_device *dev)
 	return &priv->stats;
 }
 
-int interface_set_mac_addr(struct net_device *dev, void *addr)
+int interface_set_mac_addr(struct net_device *dev, void *p)
 {
-	return -EBUSY;
+	struct sockaddr *addr = p;
+
+	if (!is_valid_ether_addr(addr->sa_data))
+		return -EADDRNOTAVAIL;
+
+	hna_local_remove(dev->dev_addr, "mac address changed");
+	memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
+	hna_local_add(dev->dev_addr);
+
+	return 0;
 }
 
 int interface_change_mtu(struct net_device *dev, int new_mtu)
@@ -170,7 +176,10 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 	struct orig_node *orig_node;
 	struct ethhdr *ethhdr = (struct ethhdr *)skb->data;
 	struct bat_priv *priv = netdev_priv(dev);
+	struct batman_if *batman_if;
+	uint8_t dstaddr[6];
 	int data_len = skb->len;
+	unsigned long flags;
 
 	if (atomic_read(&module_state) != MODULE_ACTIVE)
 		goto dropped;
@@ -186,7 +195,6 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 			goto dropped;
 
 		bcast_packet = (struct bcast_packet *)skb->data;
-
 		bcast_packet->version = COMPAT_VERSION;
 
 		/* batman packet type: broadcast */
@@ -195,27 +203,21 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 		/* hw address of first interface is the orig mac because only
 		 * this mac is known throughout the mesh */
 		memcpy(bcast_packet->orig, mainIfAddr, ETH_ALEN);
+
 		/* set broadcast sequence number */
 		bcast_packet->seqno = htons(bcast_seqno);
 
 		bcast_seqno++;
 
 		/* broadcast packet */
-		add_bcast_packet_to_list(skb->data, skb->len);
+		add_bcast_packet_to_list(skb);
+		/* a copy is stored in the bcast list, therefore removing
+		 * the original skb. */
+		kfree_skb(skb);
 
 	/* unicast packet */
 	} else {
-
-		/* simply spin_lock()ing can deadlock when the lock is already
-		 * hold. */
-		/* TODO: defer the work in a working queue instead of
-		 * dropping */
-		if (!spin_trylock(&orig_hash_lock)) {
-			lock_dropped++;
-			debug_log(LOG_TYPE_NOTICE, "%d packets dropped because lock was hold\n", lock_dropped);
-			goto dropped;
-		}
-
+		spin_lock_irqsave(&orig_hash_lock, flags);
 		/* get routing information */
 		orig_node = ((struct orig_node *)hash_find(orig_hash,
 							   ethhdr->h_dest));
@@ -244,14 +246,17 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 			if (orig_node->batman_if->if_active != IF_ACTIVE)
 				goto unlock;
 
-			send_raw_packet(skb->data, skb->len,
-					orig_node->batman_if,
-					orig_node->router->addr);
+			/* don't lock while sending the packets ... we therefore
+			 * copy the required data before sending */
+
+			batman_if = orig_node->batman_if;
+			memcpy(dstaddr, orig_node->router->addr, ETH_ALEN);
+			spin_unlock_irqrestore(&orig_hash_lock, flags);
+
+			send_skb_packet(skb, batman_if, dstaddr);
 		} else {
 			goto unlock;
 		}
-
-		spin_unlock(&orig_hash_lock);
 	}
 
 	priv->stats.tx_packets++;
@@ -259,42 +264,44 @@ int interface_tx(struct sk_buff *skb, struct net_device *dev)
 	goto end;
 
 unlock:
-	spin_unlock(&orig_hash_lock);
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
 dropped:
 	priv->stats.tx_dropped++;
 end:
-	kfree_skb(skb);
-	return 0;
+	return NETDEV_TX_OK;
 }
 
-void interface_rx(struct net_device *dev, void *packet, int packet_len)
+void interface_rx(struct sk_buff *skb, int hdr_size)
 {
-	struct sk_buff *skb;
+	struct net_device *dev = soft_device;
 	struct bat_priv *priv = netdev_priv(dev);
 
-	skb = dev_alloc_skb(packet_len);
-
-	if (!skb) {
-		priv->stats.rx_dropped++;
-		goto out;
+	/* check if enough space is available for pulling, and pull */
+	if (!pskb_may_pull(skb, hdr_size)) {
+		kfree_skb(skb);
+		return;
 	}
+	skb_pull_rcsum(skb, hdr_size);
+/*	skb_set_mac_header(skb, -sizeof(struct ethhdr));*/
 
-	memcpy(skb_put(skb, packet_len), packet, packet_len);
-
-	/* Write metadata, and then pass to the receive level */
 	skb->dev = dev;
 	skb->protocol = eth_type_trans(skb, dev);
-	skb->ip_summed = CHECKSUM_UNNECESSARY;
+
+	/* should not be neccesary anymore as we use skb_pull_rcsum()
+	 * TODO: please verify this and remove this TODO
+	 * -- Dec 21st 2009, Simon Wunderlich */
+
+/*	skb->ip_summed = CHECKSUM_UNNECESSARY;*/
+
+	/* TODO: set skb->pkt_type to PACKET_BROADCAST, PACKET_MULTICAST,
+	 * PACKET_OTHERHOST or PACKET_HOST */
 
 	priv->stats.rx_packets++;
-	priv->stats.rx_bytes += packet_len;
+	priv->stats.rx_bytes += skb->len;
 
 	dev->last_rx = jiffies;
 
 	netif_rx(skb);
-
-out:
-	return;
 }
 
 /* ethtool */
@@ -330,7 +337,6 @@ static u32 bat_get_msglevel(struct net_device *dev)
 
 static void bat_set_msglevel(struct net_device *dev, u32 value)
 {
-	return;
 }
 
 static u32 bat_get_link(struct net_device *dev)
diff --git a/drivers/staging/batman-adv/soft-interface.h b/drivers/staging/batman-adv/soft-interface.h
index 515e276ef53d..c0cad8134b2b 100644
--- a/drivers/staging/batman-adv/soft-interface.h
+++ b/drivers/staging/batman-adv/soft-interface.h
@@ -28,6 +28,7 @@ struct net_device_stats *interface_stats(struct net_device *dev);
 int interface_set_mac_addr(struct net_device *dev, void *addr);
 int interface_change_mtu(struct net_device *dev, int new_mtu);
 int interface_tx(struct sk_buff *skb, struct net_device *dev);
-void interface_rx(struct net_device *dev, void *packet, int packet_len);
+void interface_rx(struct sk_buff *skb, int hdr_size);
+int my_skb_push(struct sk_buff *skb, unsigned int len);
 
 extern unsigned char mainIfAddr[];
diff --git a/drivers/staging/batman-adv/translation-table.c b/drivers/staging/batman-adv/translation-table.c
index c2190e177c56..d56f6654de0d 100644
--- a/drivers/staging/batman-adv/translation-table.c
+++ b/drivers/staging/batman-adv/translation-table.c
@@ -21,11 +21,9 @@
 
 #include "main.h"
 #include "translation-table.h"
-#include "log.h"
 #include "soft-interface.h"
 #include "types.h"
 #include "hash.h"
-#include "compat.h"
 
 struct hashtable_t *hna_local_hash;
 static struct hashtable_t *hna_global_hash;
@@ -62,7 +60,6 @@ void hna_local_add(uint8_t *addr)
 	struct hna_local_entry *hna_local_entry;
 	struct hna_global_entry *hna_global_entry;
 	struct hashtable_t *swaphash;
-	char hna_str[ETH_STR_LEN];
 	unsigned long flags;
 
 	spin_lock_irqsave(&hna_local_hash_lock, flags);
@@ -75,19 +72,17 @@ void hna_local_add(uint8_t *addr)
 		return;
 	}
 
-	addr_to_string(hna_str, addr);
-
 	/* only announce as many hosts as possible in the batman-packet and
 	   space in batman_packet->num_hna That also should give a limit to
 	   MAC-flooding. */
 	if ((num_hna + 1 > (ETH_DATA_LEN - BAT_PACKET_LEN) / ETH_ALEN) ||
 	    (num_hna + 1 > 255)) {
-		debug_log(LOG_TYPE_ROUTES, "Can't add new local hna entry (%s): number of local hna entries exceeds packet size \n", hna_str);
+		bat_dbg(DBG_ROUTES, "Can't add new local hna entry (%pM): number of local hna entries exceeds packet size \n", addr);
 		return;
 	}
 
-	debug_log(LOG_TYPE_ROUTES, "Creating new local hna entry: %s \n",
-		  hna_str);
+	bat_dbg(DBG_ROUTES, "Creating new local hna entry: %pM \n",
+		addr);
 
 	hna_local_entry = kmalloc(sizeof(struct hna_local_entry), GFP_ATOMIC);
 	if (!hna_local_entry)
@@ -113,7 +108,7 @@ void hna_local_add(uint8_t *addr)
 				       hna_local_hash->size * 2);
 
 		if (swaphash == NULL)
-			debug_log(LOG_TYPE_CRIT, "Couldn't resize local hna hash table \n");
+			printk(KERN_ERR "batman-adv:Couldn't resize local hna hash table \n");
 		else
 			hna_local_hash = swaphash;
 	}
@@ -135,18 +130,18 @@ void hna_local_add(uint8_t *addr)
 int hna_local_fill_buffer(unsigned char *buff, int buff_len)
 {
 	struct hna_local_entry *hna_local_entry;
-	struct hash_it_t *hashit = NULL;
+	HASHIT(hashit);
 	int i = 0;
 	unsigned long flags;
 
 	spin_lock_irqsave(&hna_local_hash_lock, flags);
 
-	while (NULL != (hashit = hash_iterate(hna_local_hash, hashit))) {
+	while (hash_iterate(hna_local_hash, &hashit)) {
 
 		if (buff_len < (i + 1) * ETH_ALEN)
 			break;
 
-		hna_local_entry = hashit->bucket->data;
+		hna_local_entry = hashit.bucket->data;
 		memcpy(buff + (i * ETH_ALEN), hna_local_entry->addr, ETH_ALEN);
 
 		i++;
@@ -164,18 +159,18 @@ int hna_local_fill_buffer(unsigned char *buff, int buff_len)
 int hna_local_fill_buffer_text(unsigned char *buff, int buff_len)
 {
 	struct hna_local_entry *hna_local_entry;
-	struct hash_it_t *hashit = NULL;
+	HASHIT(hashit);
 	int bytes_written = 0;
 	unsigned long flags;
 
 	spin_lock_irqsave(&hna_local_hash_lock, flags);
 
-	while (NULL != (hashit = hash_iterate(hna_local_hash, hashit))) {
+	while (hash_iterate(hna_local_hash, &hashit)) {
 
 		if (buff_len < bytes_written + ETH_STR_LEN + 4)
 			break;
 
-		hna_local_entry = hashit->bucket->data;
+		hna_local_entry = hashit.bucket->data;
 
 		bytes_written += snprintf(buff + bytes_written, ETH_STR_LEN + 4,
 					  " * %02x:%02x:%02x:%02x:%02x:%02x\n",
@@ -202,27 +197,39 @@ static void _hna_local_del(void *data)
 static void hna_local_del(struct hna_local_entry *hna_local_entry,
 			  char *message)
 {
-	char hna_str[ETH_STR_LEN];
-
-	addr_to_string(hna_str, hna_local_entry->addr);
-	debug_log(LOG_TYPE_ROUTES, "Deleting local hna entry (%s): %s \n",
-		  hna_str, message);
+	bat_dbg(DBG_ROUTES, "Deleting local hna entry (%pM): %s \n",
+		hna_local_entry->addr, message);
 
 	hash_remove(hna_local_hash, hna_local_entry->addr);
 	_hna_local_del(hna_local_entry);
 }
 
+void hna_local_remove(uint8_t *addr, char *message)
+{
+	struct hna_local_entry *hna_local_entry;
+	unsigned long flags;
+
+	spin_lock_irqsave(&hna_local_hash_lock, flags);
+
+	hna_local_entry = (struct hna_local_entry *)
+		hash_find(hna_local_hash, addr);
+	if (hna_local_entry)
+		hna_local_del(hna_local_entry, message);
+
+	spin_unlock_irqrestore(&hna_local_hash_lock, flags);
+}
+
 void hna_local_purge(struct work_struct *work)
 {
 	struct hna_local_entry *hna_local_entry;
-	struct hash_it_t *hashit = NULL;
+	HASHIT(hashit);
 	unsigned long flags;
 	unsigned long timeout;
 
 	spin_lock_irqsave(&hna_local_hash_lock, flags);
 
-	while (NULL != (hashit = hash_iterate(hna_local_hash, hashit))) {
-		hna_local_entry = hashit->bucket->data;
+	while (hash_iterate(hna_local_hash, &hashit)) {
+		hna_local_entry = hashit.bucket->data;
 
 		timeout = hna_local_entry->last_seen +
 			((LOCAL_HNA_TIMEOUT / 1000) * HZ);
@@ -264,13 +271,10 @@ void hna_global_add_orig(struct orig_node *orig_node,
 	struct hna_global_entry *hna_global_entry;
 	struct hna_local_entry *hna_local_entry;
 	struct hashtable_t *swaphash;
-	char hna_str[ETH_STR_LEN], orig_str[ETH_STR_LEN];
 	int hna_buff_count = 0;
 	unsigned long flags;
 	unsigned char *hna_ptr;
 
-	addr_to_string(orig_str, orig_node->orig);
-
 	while ((hna_buff_count + 1) * ETH_ALEN <= hna_buff_len) {
 		spin_lock_irqsave(&hna_global_hash_lock, flags);
 
@@ -290,8 +294,9 @@ void hna_global_add_orig(struct orig_node *orig_node,
 
 			memcpy(hna_global_entry->addr, hna_ptr, ETH_ALEN);
 
-			addr_to_string(hna_str, hna_global_entry->addr);
-			debug_log(LOG_TYPE_ROUTES, "Creating new global hna entry: %s (via %s)\n", hna_str, orig_str);
+			bat_dbg(DBG_ROUTES,
+				"Creating new global hna entry: %pM (via %pM)\n",
+				hna_global_entry->addr, orig_node->orig);
 
 			spin_lock_irqsave(&hna_global_hash_lock, flags);
 			hash_add(hna_global_hash, hna_global_entry);
@@ -316,14 +321,16 @@ void hna_global_add_orig(struct orig_node *orig_node,
 		hna_buff_count++;
 	}
 
-	orig_node->hna_buff_len = hna_buff_len;
+	/* initialize, and overwrite if malloc succeeds */
+	orig_node->hna_buff = NULL;
+	orig_node->hna_buff_len = 0;
 
-	if (orig_node->hna_buff_len > 0) {
-		orig_node->hna_buff = kmalloc(orig_node->hna_buff_len,
-					      GFP_ATOMIC);
-		memcpy(orig_node->hna_buff, hna_buff, orig_node->hna_buff_len);
-	} else {
-		orig_node->hna_buff = NULL;
+	if (hna_buff_len > 0) {
+		orig_node->hna_buff = kmalloc(hna_buff_len, GFP_ATOMIC);
+		if (orig_node->hna_buff) {
+			memcpy(orig_node->hna_buff, hna_buff, hna_buff_len);
+			orig_node->hna_buff_len = hna_buff_len;
+		}
 	}
 
 	spin_lock_irqsave(&hna_global_hash_lock, flags);
@@ -333,7 +340,7 @@ void hna_global_add_orig(struct orig_node *orig_node,
 				       hna_global_hash->size * 2);
 
 		if (swaphash == NULL)
-			debug_log(LOG_TYPE_CRIT, "Couldn't resize global hna hash table \n");
+			printk(KERN_ERR "batman-adv:Couldn't resize global hna hash table \n");
 		else
 			hna_global_hash = swaphash;
 	}
@@ -344,17 +351,17 @@ void hna_global_add_orig(struct orig_node *orig_node,
 int hna_global_fill_buffer_text(unsigned char *buff, int buff_len)
 {
 	struct hna_global_entry *hna_global_entry;
-	struct hash_it_t *hashit = NULL;
+	HASHIT(hashit);
 	int bytes_written = 0;
 	unsigned long flags;
 
 	spin_lock_irqsave(&hna_global_hash_lock, flags);
 
-	while (NULL != (hashit = hash_iterate(hna_global_hash, hashit))) {
+	while (hash_iterate(hna_global_hash, &hashit)) {
 		if (buff_len < bytes_written + (2 * ETH_STR_LEN) + 10)
 			break;
 
-		hna_global_entry = hashit->bucket->data;
+		hna_global_entry = hashit.bucket->data;
 
 		bytes_written += snprintf(buff + bytes_written,
 					  (2 * ETH_STR_LEN) + 10,
@@ -381,12 +388,9 @@ int hna_global_fill_buffer_text(unsigned char *buff, int buff_len)
 void _hna_global_del_orig(struct hna_global_entry *hna_global_entry,
 			  char *message)
 {
-	char hna_str[ETH_STR_LEN], orig_str[ETH_STR_LEN];
-
-	addr_to_string(orig_str, hna_global_entry->orig_node->orig);
-	addr_to_string(hna_str, hna_global_entry->addr);
-
-	debug_log(LOG_TYPE_ROUTES, "Deleting global hna entry %s (via %s): %s \n", hna_str, orig_str, message);
+	bat_dbg(DBG_ROUTES, "Deleting global hna entry %pM (via %pM): %s \n",
+		hna_global_entry->addr, hna_global_entry->orig_node->orig,
+		message);
 
 	hash_remove(hna_global_hash, hna_global_entry->addr);
 	kfree(hna_global_entry);
diff --git a/drivers/staging/batman-adv/translation-table.h b/drivers/staging/batman-adv/translation-table.h
index f7da81129318..281125b729fb 100644
--- a/drivers/staging/batman-adv/translation-table.h
+++ b/drivers/staging/batman-adv/translation-table.h
@@ -23,6 +23,7 @@
 
 int hna_local_init(void);
 void hna_local_add(uint8_t *addr);
+void hna_local_remove(uint8_t *addr, char *message);
 int hna_local_fill_buffer(unsigned char *buff, int buff_len);
 int hna_local_fill_buffer_text(unsigned char *buff, int buff_len);
 void hna_local_purge(struct work_struct *work);
diff --git a/drivers/staging/batman-adv/types.h b/drivers/staging/batman-adv/types.h
index 3a0ef0c38c93..dec1b54031b6 100644
--- a/drivers/staging/batman-adv/types.h
+++ b/drivers/staging/batman-adv/types.h
@@ -39,7 +39,6 @@ struct batman_if {
 	char if_active;
 	char addr_str[ETH_STR_LEN];
 	struct net_device *net_dev;
-	struct socket *raw_sock;
 	atomic_t seqno;
 	unsigned char *packet_buff;
 	int packet_len;
@@ -75,7 +74,7 @@ struct neigh_node {
 	uint8_t tq_index;
 	uint8_t tq_avg;
 	uint8_t last_ttl;
-	unsigned long last_valid;            /* when last packet via this neighbour was received */
+	unsigned long last_valid;            /* when last packet via this neighbor was received */
 	TYPE_OF_WORD real_bits[NUM_WORDS];
 	struct orig_node *orig_node;
 	struct batman_if *if_incoming;
@@ -113,6 +112,7 @@ struct forw_packet {               /* structure for forw_list maintaining packet
 	struct hlist_node list;
 	unsigned long send_time;
 	uint8_t own;
+	struct sk_buff *skb;
 	unsigned char *packet_buff;
 	uint16_t packet_len;
 	uint32_t direct_link_flags;
@@ -121,4 +121,14 @@ struct forw_packet {               /* structure for forw_list maintaining packet
 	struct batman_if *if_incoming;
 };
 
+/* While scanning for vis-entries of a particular vis-originator
+ * this list collects its interfaces to create a subgraph/cluster
+ * out of them later
+ */
+struct if_list_entry {
+	uint8_t addr[ETH_ALEN];
+	bool primary;
+	struct hlist_node list;
+};
+
 #endif
diff --git a/drivers/staging/batman-adv/vis.c b/drivers/staging/batman-adv/vis.c
index f6c9acb289ed..fedec1bb3097 100644
--- a/drivers/staging/batman-adv/vis.c
+++ b/drivers/staging/batman-adv/vis.c
@@ -23,11 +23,9 @@
 #include "send.h"
 #include "translation-table.h"
 #include "vis.h"
-#include "log.h"
 #include "soft-interface.h"
 #include "hard-interface.h"
 #include "hash.h"
-#include "compat.h"
 
 struct hashtable_t *vis_hash;
 DEFINE_SPINLOCK(vis_hash_lock);
@@ -50,39 +48,6 @@ static void free_info(void *data)
 	kfree(info);
 }
 
-/* set the mode of the visualization to client or server */
-void vis_set_mode(int mode)
-{
-	spin_lock(&vis_hash_lock);
-
-	if (my_vis_info != NULL)
-		my_vis_info->packet.vis_type = mode;
-
-	spin_unlock(&vis_hash_lock);
-}
-
-/* is_vis_server(), locked outside */
-static int is_vis_server_locked(void)
-{
-	if (my_vis_info != NULL)
-		if (my_vis_info->packet.vis_type == VIS_TYPE_SERVER_SYNC)
-			return 1;
-
-	return 0;
-}
-
-/* get the current set mode */
-int is_vis_server(void)
-{
-	int ret = 0;
-
-	spin_lock(&vis_hash_lock);
-	ret = is_vis_server_locked();
-	spin_unlock(&vis_hash_lock);
-
-	return ret;
-}
-
 /* Compare two vis packets, used by the hashing algorithm */
 static int vis_info_cmp(void *data1, void *data2)
 {
@@ -115,6 +80,68 @@ static int vis_info_choose(void *data, int size)
 	return hash % size;
 }
 
+/* insert interface to the list of interfaces of one originator, if it
+ * does not already exist in the list */
+static void proc_vis_insert_interface(const uint8_t *interface,
+				      struct hlist_head *if_list,
+				      bool primary)
+{
+	struct if_list_entry *entry;
+	struct hlist_node *pos;
+
+	hlist_for_each_entry(entry, pos, if_list, list) {
+		if (compare_orig(entry->addr, (void *)interface))
+			return;
+	}
+
+	/* its a new address, add it to the list */
+	entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	if (!entry)
+		return;
+	memcpy(entry->addr, interface, ETH_ALEN);
+	entry->primary = primary;
+	hlist_add_head(&entry->list, if_list);
+}
+
+void proc_vis_read_prim_sec(struct seq_file *seq,
+			    struct hlist_head *if_list)
+{
+	struct if_list_entry *entry;
+	struct hlist_node *pos, *n;
+	char tmp_addr_str[ETH_STR_LEN];
+
+	hlist_for_each_entry_safe(entry, pos, n, if_list, list) {
+		if (entry->primary) {
+			seq_printf(seq, "PRIMARY, ");
+		} else {
+			addr_to_string(tmp_addr_str, entry->addr);
+			seq_printf(seq, "SEC %s, ", tmp_addr_str);
+		}
+
+		hlist_del(&entry->list);
+		kfree(entry);
+	}
+}
+
+/* read an entry  */
+void proc_vis_read_entry(struct seq_file *seq,
+				struct vis_info_entry *entry,
+				struct hlist_head *if_list,
+				uint8_t *vis_orig)
+{
+	char to[40];
+
+	addr_to_string(to, entry->dest);
+	if (entry->quality == 0) {
+		proc_vis_insert_interface(vis_orig, if_list, true);
+		seq_printf(seq, "HNA %s, ", to);
+	} else {
+		proc_vis_insert_interface(entry->src, if_list,
+					  compare_orig(entry->src, vis_orig));
+		seq_printf(seq, "TQ %s %d, ", to, entry->quality);
+	}
+}
+
 /* tries to add one entry to the receive list. */
 static void recv_list_add(struct list_head *recv_list, char *mac)
 {
@@ -208,21 +235,23 @@ void receive_server_sync_packet(struct vis_packet *vis_packet, int vis_info_len)
 {
 	struct vis_info *info;
 	int is_new;
+	unsigned long flags;
+	int vis_server = atomic_read(&vis_mode);
 
-	spin_lock(&vis_hash_lock);
+	spin_lock_irqsave(&vis_hash_lock, flags);
 	info = add_packet(vis_packet, vis_info_len, &is_new);
 	if (info == NULL)
 		goto end;
 
 	/* only if we are server ourselves and packet is newer than the one in
 	 * hash.*/
-	if (is_vis_server_locked() && is_new) {
+	if (vis_server == VIS_TYPE_SERVER_SYNC && is_new) {
 		memcpy(info->packet.target_orig, broadcastAddr, ETH_ALEN);
 		if (list_empty(&info->send_list))
 			list_add_tail(&info->send_list, &send_list);
 	}
 end:
-	spin_unlock(&vis_hash_lock);
+	spin_unlock_irqrestore(&vis_hash_lock, flags);
 }
 
 /* handle an incoming client update packet and schedule forward if needed. */
@@ -231,12 +260,14 @@ void receive_client_update_packet(struct vis_packet *vis_packet,
 {
 	struct vis_info *info;
 	int is_new;
+	unsigned long flags;
+	int vis_server = atomic_read(&vis_mode);
 
 	/* clients shall not broadcast. */
 	if (is_bcast(vis_packet->target_orig))
 		return;
 
-	spin_lock(&vis_hash_lock);
+	spin_lock_irqsave(&vis_hash_lock, flags);
 	info = add_packet(vis_packet, vis_info_len, &is_new);
 	if (info == NULL)
 		goto end;
@@ -244,7 +275,7 @@ void receive_client_update_packet(struct vis_packet *vis_packet,
 
 
 	/* send only if we're the target server or ... */
-	if (is_vis_server_locked() &&
+	if (vis_server == VIS_TYPE_SERVER_SYNC  &&
 	    is_my_mac(info->packet.target_orig) &&
 	    is_new) {
 		info->packet.vis_type = VIS_TYPE_SERVER_SYNC;	/* upgrade! */
@@ -258,7 +289,7 @@ void receive_client_update_packet(struct vis_packet *vis_packet,
 			list_add_tail(&info->send_list, &send_list);
 	}
 end:
-	spin_unlock(&vis_hash_lock);
+	spin_unlock_irqrestore(&vis_hash_lock, flags);
 }
 
 /* Walk the originators and find the VIS server with the best tq. Set the packet
@@ -267,12 +298,12 @@ end:
  * Must be called with the originator hash locked */
 static int find_best_vis_server(struct vis_info *info)
 {
-	struct hash_it_t *hashit = NULL;
+	HASHIT(hashit);
 	struct orig_node *orig_node;
 	int best_tq = -1;
 
-	while (NULL != (hashit = hash_iterate(orig_hash, hashit))) {
-		orig_node = hashit->bucket->data;
+	while (hash_iterate(orig_hash, &hashit)) {
+		orig_node = hashit.bucket->data;
 		if ((orig_node != NULL) &&
 		    (orig_node->router != NULL) &&
 		    (orig_node->flags & VIS_SERVER) &&
@@ -298,7 +329,8 @@ static bool vis_packet_full(struct vis_info *info)
  * returns 0 on success, -1 if no packet could be generated */
 static int generate_vis_packet(void)
 {
-	struct hash_it_t *hashit = NULL;
+	HASHIT(hashit_local);
+	HASHIT(hashit_global);
 	struct orig_node *orig_node;
 	struct vis_info *info = (struct vis_info *)my_vis_info;
 	struct vis_info_entry *entry, *entry_array;
@@ -307,27 +339,27 @@ static int generate_vis_packet(void)
 	unsigned long flags;
 
 	info->first_seen = jiffies;
+	info->packet.vis_type = atomic_read(&vis_mode);
 
-	spin_lock(&orig_hash_lock);
+	spin_lock_irqsave(&orig_hash_lock, flags);
 	memcpy(info->packet.target_orig, broadcastAddr, ETH_ALEN);
 	info->packet.ttl = TTL;
 	info->packet.seqno++;
 	info->packet.entries = 0;
 
-	if (!is_vis_server_locked()) {
+	if (info->packet.vis_type == VIS_TYPE_CLIENT_UPDATE) {
 		best_tq = find_best_vis_server(info);
 		if (best_tq < 0) {
-			spin_unlock(&orig_hash_lock);
+			spin_unlock_irqrestore(&orig_hash_lock, flags);
 			return -1;
 		}
 	}
-	hashit = NULL;
 
 	entry_array = (struct vis_info_entry *)
 		((char *)info + sizeof(struct vis_info));
 
-	while (NULL != (hashit = hash_iterate(orig_hash, hashit))) {
-		orig_node = hashit->bucket->data;
+	while (hash_iterate(orig_hash, &hashit_global)) {
+		orig_node = hashit_global.bucket->data;
 		if (orig_node->router != NULL
 			&& compare_orig(orig_node->router->addr, orig_node->orig)
 			&& orig_node->batman_if
@@ -342,18 +374,17 @@ static int generate_vis_packet(void)
 			info->packet.entries++;
 
 			if (vis_packet_full(info)) {
-				spin_unlock(&orig_hash_lock);
+				spin_unlock_irqrestore(&orig_hash_lock, flags);
 				return 0;
 			}
 		}
 	}
 
-	spin_unlock(&orig_hash_lock);
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
 
-	hashit = NULL;
 	spin_lock_irqsave(&hna_local_hash_lock, flags);
-	while (NULL != (hashit = hash_iterate(hna_local_hash, hashit))) {
-		hna_local_entry = hashit->bucket->data;
+	while (hash_iterate(hna_local_hash, &hashit_local)) {
+		hna_local_entry = hashit_local.bucket->data;
 		entry = &entry_array[info->packet.entries];
 		memset(entry->src, 0, ETH_ALEN);
 		memcpy(entry->dest, hna_local_entry->addr, ETH_ALEN);
@@ -371,16 +402,16 @@ static int generate_vis_packet(void)
 
 static void purge_vis_packets(void)
 {
-	struct hash_it_t *hashit = NULL;
+	HASHIT(hashit);
 	struct vis_info *info;
 
-	while (NULL != (hashit = hash_iterate(vis_hash, hashit))) {
-		info = hashit->bucket->data;
+	while (hash_iterate(vis_hash, &hashit)) {
+		info = hashit.bucket->data;
 		if (info == my_vis_info)	/* never purge own data. */
 			continue;
 		if (time_after(jiffies,
-			       info->first_seen + (VIS_TIMEOUT/1000)*HZ)) {
-			hash_remove_bucket(vis_hash, hashit);
+			       info->first_seen + (VIS_TIMEOUT*HZ)/1000)) {
+			hash_remove_bucket(vis_hash, &hashit);
 			free_info(info);
 		}
 	}
@@ -388,14 +419,15 @@ static void purge_vis_packets(void)
 
 static void broadcast_vis_packet(struct vis_info *info, int packet_length)
 {
-	struct hash_it_t *hashit = NULL;
+	HASHIT(hashit);
 	struct orig_node *orig_node;
+	unsigned long flags;
 
-	spin_lock(&orig_hash_lock);
+	spin_lock_irqsave(&orig_hash_lock, flags);
 
 	/* send to all routers in range. */
-	while (NULL != (hashit = hash_iterate(orig_hash, hashit))) {
-		orig_node = hashit->bucket->data;
+	while (hash_iterate(orig_hash, &hashit)) {
+		orig_node = hashit.bucket->data;
 
 		/* if it's a vis server and reachable, send it. */
 		if (orig_node &&
@@ -418,14 +450,15 @@ static void broadcast_vis_packet(struct vis_info *info, int packet_length)
 		}
 	}
 	memcpy(info->packet.target_orig, broadcastAddr, ETH_ALEN);
-	spin_unlock(&orig_hash_lock);
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
 }
 
 static void unicast_vis_packet(struct vis_info *info, int packet_length)
 {
 	struct orig_node *orig_node;
+	unsigned long flags;
 
-	spin_lock(&orig_hash_lock);
+	spin_lock_irqsave(&orig_hash_lock, flags);
 	orig_node = ((struct orig_node *)
 		     hash_find(orig_hash, info->packet.target_orig));
 
@@ -436,7 +469,7 @@ static void unicast_vis_packet(struct vis_info *info, int packet_length)
 				orig_node->batman_if,
 				orig_node->router->addr);
 	}
-	spin_unlock(&orig_hash_lock);
+	spin_unlock_irqrestore(&orig_hash_lock, flags);
 }
 
 /* only send one vis packet. called from send_vis_packets() */
@@ -445,8 +478,7 @@ static void send_vis_packet(struct vis_info *info)
 	int packet_length;
 
 	if (info->packet.ttl < 2) {
-		debug_log(LOG_TYPE_NOTICE,
-			  "Error - can't send vis packet: ttl exceeded\n");
+		printk(KERN_WARNING "batman-adv: Error - can't send vis packet: ttl exceeded\n");
 		return;
 	}
 
@@ -467,8 +499,9 @@ static void send_vis_packet(struct vis_info *info)
 static void send_vis_packets(struct work_struct *work)
 {
 	struct vis_info *info, *temp;
+	unsigned long flags;
 
-	spin_lock(&vis_hash_lock);
+	spin_lock_irqsave(&vis_hash_lock, flags);
 	purge_vis_packets();
 
 	if (generate_vis_packet() == 0)
@@ -479,7 +512,7 @@ static void send_vis_packets(struct work_struct *work)
 		list_del_init(&info->send_list);
 		send_vis_packet(info);
 	}
-	spin_unlock(&vis_hash_lock);
+	spin_unlock_irqrestore(&vis_hash_lock, flags);
 	start_vis_timer();
 }
 static DECLARE_DELAYED_WORK(vis_timer_wq, send_vis_packets);
@@ -488,20 +521,21 @@ static DECLARE_DELAYED_WORK(vis_timer_wq, send_vis_packets);
  * initialized (e.g. bat0 is initialized, interfaces have been added) */
 int vis_init(void)
 {
+	unsigned long flags;
 	if (vis_hash)
 		return 1;
 
-	spin_lock(&vis_hash_lock);
+	spin_lock_irqsave(&vis_hash_lock, flags);
 
 	vis_hash = hash_new(256, vis_info_cmp, vis_info_choose);
 	if (!vis_hash) {
-		debug_log(LOG_TYPE_CRIT, "Can't initialize vis_hash\n");
+		printk(KERN_ERR "batman-adv:Can't initialize vis_hash\n");
 		goto err;
 	}
 
 	my_vis_info = kmalloc(1000, GFP_ATOMIC);
 	if (!my_vis_info) {
-		debug_log(LOG_TYPE_CRIT, "Can't initialize vis packet\n");
+		printk(KERN_ERR "batman-adv:Can't initialize vis packet\n");
 		goto err;
 	}
 
@@ -511,7 +545,6 @@ int vis_init(void)
 	INIT_LIST_HEAD(&my_vis_info->send_list);
 	my_vis_info->packet.version = COMPAT_VERSION;
 	my_vis_info->packet.packet_type = BAT_VIS;
-	my_vis_info->packet.vis_type = VIS_TYPE_CLIENT_UPDATE;
 	my_vis_info->packet.ttl = TTL;
 	my_vis_info->packet.seqno = 0;
 	my_vis_info->packet.entries = 0;
@@ -522,19 +555,19 @@ int vis_init(void)
 	memcpy(my_vis_info->packet.sender_orig, mainIfAddr, ETH_ALEN);
 
 	if (hash_add(vis_hash, my_vis_info) < 0) {
-		debug_log(LOG_TYPE_CRIT,
-			  "Can't add own vis packet into hash\n");
+		printk(KERN_ERR
+			  "batman-adv:Can't add own vis packet into hash\n");
 		free_info(my_vis_info);	/* not in hash, need to remove it
 					 * manually. */
 		goto err;
 	}
 
-	spin_unlock(&vis_hash_lock);
+	spin_unlock_irqrestore(&vis_hash_lock, flags);
 	start_vis_timer();
 	return 1;
 
 err:
-	spin_unlock(&vis_hash_lock);
+	spin_unlock_irqrestore(&vis_hash_lock, flags);
 	vis_quit();
 	return 0;
 }
@@ -542,23 +575,23 @@ err:
 /* shutdown vis-server */
 void vis_quit(void)
 {
+	unsigned long flags;
 	if (!vis_hash)
 		return;
 
 	cancel_delayed_work_sync(&vis_timer_wq);
 
-	spin_lock(&vis_hash_lock);
+	spin_lock_irqsave(&vis_hash_lock, flags);
 	/* properly remove, kill timers ... */
 	hash_delete(vis_hash, free_info);
 	vis_hash = NULL;
 	my_vis_info = NULL;
-	spin_unlock(&vis_hash_lock);
+	spin_unlock_irqrestore(&vis_hash_lock, flags);
 }
 
 /* schedule packets for (re)transmission */
 static void start_vis_timer(void)
 {
 	queue_delayed_work(bat_event_workqueue, &vis_timer_wq,
-			   (atomic_read(&vis_interval)/1000) * HZ);
+			   (atomic_read(&vis_interval) * HZ) / 1000);
 }
-
diff --git a/drivers/staging/batman-adv/vis.h b/drivers/staging/batman-adv/vis.h
index 276fabab4e88..0cdafde0ec3a 100644
--- a/drivers/staging/batman-adv/vis.h
+++ b/drivers/staging/batman-adv/vis.h
@@ -45,16 +45,15 @@ struct recvlist_node {
 	uint8_t mac[ETH_ALEN];
 };
 
-enum vis_formats {
-	DOT_DRAW,
-	JSON,
-};
-
 extern struct hashtable_t *vis_hash;
 extern spinlock_t vis_hash_lock;
 
-void vis_set_mode(int mode);
-int is_vis_server(void);
+void proc_vis_read_entry(struct seq_file *seq,
+				struct vis_info_entry *entry,
+				struct hlist_head *if_list,
+				uint8_t *vis_orig);
+void proc_vis_read_prim_sec(struct seq_file *seq,
+			    struct hlist_head *if_list);
 void receive_server_sync_packet(struct vis_packet *vis_packet,
 				int vis_info_len);
 void receive_client_update_packet(struct vis_packet *vis_packet,
diff --git a/drivers/staging/comedi/comedi_compat32.c b/drivers/staging/comedi/comedi_compat32.c
index a9fdcda5db7a..581aa5fee2e3 100644
--- a/drivers/staging/comedi/comedi_compat32.c
+++ b/drivers/staging/comedi/comedi_compat32.c
@@ -26,7 +26,6 @@
 
 #define __NO_VERSION__
 #include "comedi.h"
-#include <linux/smp_lock.h>
 #include <linux/uaccess.h>
 
 #include "comedi_compat32.h"
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index 8117748ad5a5..aca96747e5e2 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -63,7 +63,7 @@ module_param(comedi_debug, int, 0644);
 int comedi_autoconfig = 1;
 module_param(comedi_autoconfig, bool, 0444);
 
-int comedi_num_legacy_minors = 0;
+int comedi_num_legacy_minors;
 module_param(comedi_num_legacy_minors, int, 0444);
 
 static DEFINE_SPINLOCK(comedi_file_info_table_lock);
@@ -1510,7 +1510,7 @@ static unsigned int comedi_poll(struct file *file, poll_table * wait)
 }
 
 static ssize_t comedi_write(struct file *file, const char *buf, size_t nbytes,
-			    loff_t * offset)
+				loff_t *offset)
 {
 	struct comedi_subdevice *s;
 	struct comedi_async *async;
@@ -1612,7 +1612,7 @@ done:
 }
 
 static ssize_t comedi_read(struct file *file, char *buf, size_t nbytes,
-			   loff_t * offset)
+				loff_t *offset)
 {
 	struct comedi_subdevice *s;
 	struct comedi_async *async;
@@ -2004,12 +2004,10 @@ void comedi_event(struct comedi_device *dev, struct comedi_subdevice *s)
 	if (async->cb_mask & s->async->events) {
 		if (comedi_get_subdevice_runflags(s) & SRF_USER) {
 			wake_up_interruptible(&async->wait_head);
-			if (s->subdev_flags & SDF_CMD_READ) {
+			if (s->subdev_flags & SDF_CMD_READ)
 				kill_fasync(&dev->async_queue, SIGIO, POLL_IN);
-			}
-			if (s->subdev_flags & SDF_CMD_WRITE) {
+			if (s->subdev_flags & SDF_CMD_WRITE)
 				kill_fasync(&dev->async_queue, SIGIO, POLL_OUT);
-			}
 		} else {
 			if (async->cb_func)
 				async->cb_func(s->async->events, async->cb_arg);
diff --git a/drivers/staging/comedi/drivers.c b/drivers/staging/comedi/drivers.c
index c2a632d31c61..44d6b62c230d 100644
--- a/drivers/staging/comedi/drivers.c
+++ b/drivers/staging/comedi/drivers.c
@@ -44,7 +44,7 @@
 #include <linux/cdev.h>
 #include <linux/dma-mapping.h>
 
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/system.h>
 
 static int postconfig(struct comedi_device *dev);
@@ -99,11 +99,10 @@ static void cleanup_device(struct comedi_device *dev)
 static void __comedi_device_detach(struct comedi_device *dev)
 {
 	dev->attached = 0;
-	if (dev->driver) {
+	if (dev->driver)
 		dev->driver->detach(dev);
-	} else {
+	else
 		printk("BUG: dev->driver=NULL in comedi_device_detach()\n");
-	}
 	cleanup_device(dev);
 }
 
@@ -380,9 +379,8 @@ static int insn_rw_emulate_bits(struct comedi_device *dev,
 	if (ret < 0)
 		return ret;
 
-	if (insn->insn == INSN_READ) {
+	if (insn->insn == INSN_READ)
 		data[0] = (new_data[1] >> (chan - base_bitfield_channel)) & 1;
-	}
 
 	return 1;
 }
@@ -429,9 +427,9 @@ int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
 	new_size = (new_size + PAGE_SIZE - 1) & PAGE_MASK;
 
 	/* if no change is required, do nothing */
-	if (async->prealloc_buf && async->prealloc_bufsz == new_size) {
+	if (async->prealloc_buf && async->prealloc_bufsz == new_size)
 		return 0;
-	}
+
 	/*  deallocate old buffer */
 	if (async->prealloc_buf) {
 		vunmap(async->prealloc_buf);
@@ -494,9 +492,9 @@ int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s,
 					    (void *)
 					    get_zeroed_page(GFP_KERNEL);
 				}
-				if (async->buf_page_list[i].virt_addr == NULL) {
+				if (async->buf_page_list[i].virt_addr == NULL)
 					break;
-				}
+
 				mem_map_reserve(virt_to_page
 						(async->buf_page_list[i].
 						 virt_addr));
@@ -619,9 +617,9 @@ unsigned int comedi_buf_write_alloc(struct comedi_async *async,
 {
 	unsigned int free_end = async->buf_read_count + async->prealloc_bufsz;
 
-	if ((int)(async->buf_write_alloc_count + nbytes - free_end) > 0) {
+	if ((int)(async->buf_write_alloc_count + nbytes - free_end) > 0)
 		nbytes = free_end - async->buf_write_alloc_count;
-	}
+
 	async->buf_write_alloc_count += nbytes;
 	/* barrier insures the read of buf_read_count above occurs before
 	   we write data to the write-alloc'ed buffer space */
@@ -635,9 +633,9 @@ unsigned int comedi_buf_write_alloc_strict(struct comedi_async *async,
 {
 	unsigned int free_end = async->buf_read_count + async->prealloc_bufsz;
 
-	if ((int)(async->buf_write_alloc_count + nbytes - free_end) > 0) {
+	if ((int)(async->buf_write_alloc_count + nbytes - free_end) > 0)
 		nbytes = 0;
-	}
+
 	async->buf_write_alloc_count += nbytes;
 	/* barrier insures the read of buf_read_count above occurs before
 	   we write data to the write-alloc'ed buffer space */
@@ -657,9 +655,9 @@ unsigned comedi_buf_write_free(struct comedi_async *async, unsigned int nbytes)
 	async->buf_write_count += nbytes;
 	async->buf_write_ptr += nbytes;
 	comedi_buf_munge(async, async->buf_write_count - async->munge_count);
-	if (async->buf_write_ptr >= async->prealloc_bufsz) {
+	if (async->buf_write_ptr >= async->prealloc_bufsz)
 		async->buf_write_ptr %= async->prealloc_bufsz;
-	}
+
 	return nbytes;
 }
 
diff --git a/drivers/staging/comedi/drivers/addi-data/APCI1710_Chrono.c b/drivers/staging/comedi/drivers/addi-data/APCI1710_Chrono.c
index 0af12fd2a40a..fbc26a027de4 100644
--- a/drivers/staging/comedi/drivers/addi-data/APCI1710_Chrono.c
+++ b/drivers/staging/comedi/drivers/addi-data/APCI1710_Chrono.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/APCI1710_Dig_io.c b/drivers/staging/comedi/drivers/addi-data/APCI1710_Dig_io.c
index f3e47e5791db..a6898e4bbb62 100644
--- a/drivers/staging/comedi/drivers/addi-data/APCI1710_Dig_io.c
+++ b/drivers/staging/comedi/drivers/addi-data/APCI1710_Dig_io.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/APCI1710_INCCPT.c b/drivers/staging/comedi/drivers/addi-data/APCI1710_INCCPT.c
index a15c952c0fab..0e498e9eb080 100644
--- a/drivers/staging/comedi/drivers/addi-data/APCI1710_INCCPT.c
+++ b/drivers/staging/comedi/drivers/addi-data/APCI1710_INCCPT.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/APCI1710_Inp_cpt.c b/drivers/staging/comedi/drivers/addi-data/APCI1710_Inp_cpt.c
index 0fc2285c9ef8..204d7987700a 100644
--- a/drivers/staging/comedi/drivers/addi-data/APCI1710_Inp_cpt.c
+++ b/drivers/staging/comedi/drivers/addi-data/APCI1710_Inp_cpt.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/APCI1710_Pwm.c b/drivers/staging/comedi/drivers/addi-data/APCI1710_Pwm.c
index 138a84f572c8..148ce6f67f0d 100644
--- a/drivers/staging/comedi/drivers/addi-data/APCI1710_Pwm.c
+++ b/drivers/staging/comedi/drivers/addi-data/APCI1710_Pwm.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/APCI1710_Ssi.c b/drivers/staging/comedi/drivers/addi-data/APCI1710_Ssi.c
index a445dab50eac..6360de59e0e9 100644
--- a/drivers/staging/comedi/drivers/addi-data/APCI1710_Ssi.c
+++ b/drivers/staging/comedi/drivers/addi-data/APCI1710_Ssi.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/APCI1710_Tor.c b/drivers/staging/comedi/drivers/addi-data/APCI1710_Tor.c
index 7e1254475792..344df9462198 100644
--- a/drivers/staging/comedi/drivers/addi-data/APCI1710_Tor.c
+++ b/drivers/staging/comedi/drivers/addi-data/APCI1710_Tor.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/APCI1710_Ttl.c b/drivers/staging/comedi/drivers/addi-data/APCI1710_Ttl.c
index d3d78d37de5c..de6f77246890 100644
--- a/drivers/staging/comedi/drivers/addi-data/APCI1710_Ttl.c
+++ b/drivers/staging/comedi/drivers/addi-data/APCI1710_Ttl.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/addi_amcc_S5920.c b/drivers/staging/comedi/drivers/addi-data/addi_amcc_S5920.c
index 6e9e7ed4dba9..97c10aaa691d 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_amcc_S5920.c
+++ b/drivers/staging/comedi/drivers/addi-data/addi_amcc_S5920.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
@@ -173,11 +173,10 @@ int i_AddiHeaderRW_ReadEeprom(int i_NbOfWordsToRead,
 			} while (dw_eeprom_busy == EEPROM_BUSY);
 
 			/* Select the upper address part */
-			if (i_Counter == 0) {
+			if (i_Counter == 0)
 				b_ReadLowByte = pb_ReadByte[0];
-			} else {
+			else
 				b_ReadHighByte = pb_ReadByte[0];
-			}
 
 			/* Sleep */
 			msleep(1);
diff --git a/drivers/staging/comedi/drivers/addi-data/addi_common.c b/drivers/staging/comedi/drivers/addi-data/addi_common.c
index a56535fbcd3e..8db5ab63e363 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_common.c
+++ b/drivers/staging/comedi/drivers/addi-data/addi_common.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/addi_common.h b/drivers/staging/comedi/drivers/addi-data/addi_common.h
index 3ab27cf0facc..caeb6fd2d9b1 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_common.h
+++ b/drivers/staging/comedi/drivers/addi-data/addi_common.h
@@ -77,8 +77,8 @@ struct addi_board {
 	int i_NbrAoChannel;	/*  num of D/A chans */
 	int i_AiMaxdata;	/*  resolution of A/D */
 	int i_AoMaxdata;	/*  resolution of D/A */
-        const struct comedi_lrange *pr_AiRangelist;	/* rangelist for A/D */
-        const struct comedi_lrange *pr_AoRangelist;	/* rangelist for D/A */
+	const struct comedi_lrange *pr_AiRangelist;	/* rangelist for A/D */
+	const struct comedi_lrange *pr_AoRangelist;	/* rangelist for D/A */
 
 	int i_NbrDiChannel;	/*  Number of DI channels */
 	int i_NbrDoChannel;	/*  Number of DO channels */
diff --git a/drivers/staging/comedi/drivers/addi-data/addi_eeprom.c b/drivers/staging/comedi/drivers/addi-data/addi_eeprom.c
index 69b427390e53..bea329f44d80 100644
--- a/drivers/staging/comedi/drivers/addi-data/addi_eeprom.c
+++ b/drivers/staging/comedi/drivers/addi-data/addi_eeprom.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_APCI1710.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_APCI1710.c
index 47517a938ec5..d7d768ee7c23 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_APCI1710.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_APCI1710.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.c
index 016721efdbfb..791297266fc0 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci035.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c
index 723a97bab44c..fe06789699f3 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1032.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
@@ -54,7 +54,7 @@ You shoud also find the complete GPL in the COPYING file accompanying this sourc
 #include "hwdrv_apci1032.h"
 #include <linux/delay.h>
 /* Global variables */
-unsigned int ui_InterruptStatus = 0;
+unsigned int ui_InterruptStatus;
 
 /*
 +----------------------------------------------------------------------------+
@@ -108,9 +108,9 @@ int i_APCI1032_ConfigDigitalInput(struct comedi_device *dev, struct comedi_subde
 			ui_TmpValue =
 				inl(devpriv->iobase + APCI1032_DIGITAL_IP_IRQ);
 		}		/* if (data[1] == ADDIDATA_OR) */
-		else {
+		else
 			outl(0x6, devpriv->iobase + APCI1032_DIGITAL_IP_IRQ);
-		}		/* else if(data[1] == ADDIDATA_OR) */
+				/* else if(data[1] == ADDIDATA_OR) */
 	}			/*  if( data[0] == ADDIDATA_ENABLE) */
 	else {
 		ul_Command1 = ul_Command1 & 0xFFFF0000;
@@ -221,9 +221,9 @@ int i_APCI1032_ReadMoreDigitalInput(struct comedi_device *dev, struct comedi_sub
 		}		/* switch(ui_NoOfChannels) */
 	}			/* if(data[1]==0) */
 	else {
-		if (data[1] == 1) {
+		if (data[1] == 1)
 			*data = ui_InterruptStatus;
-		}		/* if(data[1]==1) */
+				/* if(data[1]==1) */
 	}			/* else if(data[1]==0) */
 	return insn->n;
 }
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c
index 36b929ffecbd..d5e06ad6acc2 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1500.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1516.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1516.c
index 866eb8d75820..7948c41f60f5 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1516.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1516.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
index 3ae663bc754e..4413279c880b 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci1564.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci16xx.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci16xx.c
index 988e3fc2b857..8bc88adfbb59 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci16xx.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci16xx.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2016.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2016.c
index d348cd5687aa..89783b1eb0bd 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2016.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2016.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2032.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2032.c
index ec817082d170..2d325163c169 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2032.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2032.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2200.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2200.c
index aa159dccc36a..e01889c3c4fc 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2200.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci2200.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
index 172fba8dbfe5..f93ddd4eb06c 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
@@ -45,7 +45,7 @@ You shoud also find the complete GPL in the COPYING file accompanying this sourc
 */
 
 #include "hwdrv_apci3120.h"
-static unsigned int ui_Temp = 0;
+static unsigned int ui_Temp;
 
 /* FUNCTION DEFINITIONS */
 
@@ -98,25 +98,22 @@ int i_APCI3120_InsnConfigAnalogInput(struct comedi_device *dev, struct comedi_su
 
 		devpriv->b_InterruptMode = APCI3120_EOS_MODE;
 
-		if (data[1]) {
+		if (data[1])
 			devpriv->b_EocEosInterrupt = APCI3120_ENABLE;
-		} else
+		else
 			devpriv->b_EocEosInterrupt = APCI3120_DISABLE;
 		/*  Copy channel list and Range List to devpriv */
 
 		devpriv->ui_AiNbrofChannels = data[3];
-		for (i = 0; i < devpriv->ui_AiNbrofChannels; i++) {
+		for (i = 0; i < devpriv->ui_AiNbrofChannels; i++)
 			devpriv->ui_AiChannelList[i] = data[4 + i];
-		}
 
-	} else			/*  EOC */
-	{
+	} else {			/*  EOC */
 		devpriv->b_InterruptMode = APCI3120_EOC_MODE;
-		if (data[1]) {
+		if (data[1])
 			devpriv->b_EocEosInterrupt = APCI3120_ENABLE;
-		} else {
+		else
 			devpriv->b_EocEosInterrupt = APCI3120_DISABLE;
-		}
 	}
 
 	return insn->n;
@@ -166,13 +163,9 @@ int i_APCI3120_InsnReadAnalogInput(struct comedi_device *dev, struct comedi_subd
 	devpriv->us_OutputRegister = 0;
 /* devpriv->b_DigitalOutputRegister=0; */
 
-	if (insn->unused[0] == 222)	/*  second insn read */
-	{
-
-		for (i = 0; i < insn->n; i++) {
+	if (insn->unused[0] == 222) {	/*  second insn read */
+		for (i = 0; i < insn->n; i++)
 			data[i] = devpriv->ui_AiReadData[i];
-		}
-
 	} else {
 		devpriv->tsk_Current = current;	/*  Save the current process task structure */
 /*
@@ -519,9 +512,8 @@ int i_APCI3120_CommandTestAnalogInput(struct comedi_device *dev, struct comedi_s
 
 	/* step 2: make sure trigger sources are unique and mutually compatible */
 
-	if (cmd->start_src != TRIG_NOW && cmd->start_src != TRIG_EXT) {
+	if (cmd->start_src != TRIG_NOW && cmd->start_src != TRIG_EXT)
 		err++;
-	}
 
 	if (cmd->scan_begin_src != TRIG_TIMER &&
 		cmd->scan_begin_src != TRIG_FOLLOW)
@@ -548,16 +540,14 @@ int i_APCI3120_CommandTestAnalogInput(struct comedi_device *dev, struct comedi_s
 		err++;
 	}
 
-	if (cmd->scan_begin_src == TRIG_TIMER)	/*  Test Delay timing */
-	{
+	if (cmd->scan_begin_src == TRIG_TIMER) {	/*  Test Delay timing */
 		if (cmd->scan_begin_arg < this_board->ui_MinDelaytimeNs) {
 			cmd->scan_begin_arg = this_board->ui_MinDelaytimeNs;
 			err++;
 		}
 	}
 
-	if (cmd->convert_src == TRIG_TIMER)	/*  Test Acquisition timing */
-	{
+	if (cmd->convert_src == TRIG_TIMER) {	/*  Test Acquisition timing */
 		if (cmd->scan_begin_src == TRIG_TIMER) {
 			if ((cmd->convert_arg)
 				&& (cmd->convert_arg <
@@ -653,11 +643,10 @@ int i_APCI3120_CommandAnalogInput(struct comedi_device *dev, struct comedi_subde
 	/* UPDATE-0.7.57->0.7.68devpriv->ui_AiDataLength=s->async->data_len; */
 	devpriv->ui_AiDataLength = s->async->prealloc_bufsz;
 
-	if (cmd->stop_src == TRIG_COUNT) {
+	if (cmd->stop_src == TRIG_COUNT)
 		devpriv->ui_AiNbrofScans = cmd->stop_arg;
-	} else {
+	else
 		devpriv->ui_AiNbrofScans = 0;
-	}
 
 	devpriv->ui_AiTimer0 = 0;	/*  variables changed to timer0,timer1 */
 	devpriv->ui_AiTimer1 = 0;
@@ -849,9 +838,8 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device *dev,
 	}
 /*** EL241003 End ******************************************************************************/
 
-	if (devpriv->b_ExttrigEnable == APCI3120_ENABLE) {
+	if (devpriv->b_ExttrigEnable == APCI3120_ENABLE)
 		i_APCI3120_ExttrigEnable(dev);	/*  activate EXT trigger */
-	}
 	switch (mode) {
 	case 1:
 		/*  init timer0 in mode 2 */
@@ -1049,12 +1037,10 @@ int i_APCI3120_CyclicAnalogInput(int mode, struct comedi_device *dev,
 					dmalen1 = 4;
 			}
 		} else {	/*  isn't output buff smaller that our DMA buff? */
-			if (dmalen0 > (devpriv->ui_AiDataLength)) {
+			if (dmalen0 > (devpriv->ui_AiDataLength))
 				dmalen0 = devpriv->ui_AiDataLength;
-			}
-			if (dmalen1 > (devpriv->ui_AiDataLength)) {
+			if (dmalen1 > (devpriv->ui_AiDataLength))
 				dmalen1 = devpriv->ui_AiDataLength;
-			}
 		}
 		devpriv->ui_DmaBufferUsesize[0] = dmalen0;
 		devpriv->ui_DmaBufferUsesize[1] = dmalen1;
@@ -1356,11 +1342,10 @@ int i_APCI3120_SetupChannelList(struct comedi_device *dev, struct comedi_subdevi
 		/*  store range list to card */
 		us_TmpValue = CR_CHAN(chanlist[i]);	/*  get channel number; */
 
-		if (CR_RANGE(chanlist[i]) < APCI3120_BIPOLAR_RANGES) {
+		if (CR_RANGE(chanlist[i]) < APCI3120_BIPOLAR_RANGES)
 			us_TmpValue &= ((~APCI3120_UNIPOLAR) & 0xff);	/*  set bipolar */
-		} else {
+		else
 			us_TmpValue |= APCI3120_UNIPOLAR;	/*  enable unipolar...... */
-		}
 
 		gain = CR_RANGE(chanlist[i]);	/*  get gain number */
 		us_TmpValue |= ((gain & 0x03) << 4);	/* <<4 for G0 and G1 bit in RAM */
@@ -1514,8 +1499,7 @@ void v_APCI3120_Interrupt(int irq, void *d)
 	/*  Check If EOS interrupt */
 	if ((int_daq & 0x2) && (devpriv->b_InterruptMode == APCI3120_EOS_MODE)) {
 
-		if (devpriv->b_EocEosInterrupt == APCI3120_ENABLE)	/*  enable this in without DMA ??? */
-		{
+		if (devpriv->b_EocEosInterrupt == APCI3120_ENABLE) {	/*  enable this in without DMA ??? */
 
 			if (devpriv->b_AiCyclicAcquisition == APCI3120_ENABLE) {
 				ui_Check = 0;
@@ -1966,8 +1950,7 @@ int i_APCI3120_InsnConfigTimer(struct comedi_device *dev, struct comedi_subdevic
 		APCI3120_DISABLE_EOS_INT;
 	outb(devpriv->b_ModeSelectRegister,
 		devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
-	if (data[0] == APCI3120_TIMER)	/* initialize timer */
-	{
+	if (data[0] == APCI3120_TIMER) {	/* initialize timer */
 		/* devpriv->b_ModeSelectRegister=devpriv->b_ModeSelectRegister |
 		 * APCI3120_ENABLE_TIMER_INT; */
 
@@ -2006,8 +1989,7 @@ int i_APCI3120_InsnConfigTimer(struct comedi_device *dev, struct comedi_subdevic
 		/*  timer2 in Timer mode enabled */
 		devpriv->b_Timer2Mode = APCI3120_TIMER;
 
-	} else			/*  Initialize Watch dog */
-	{
+	} else {			/*  Initialize Watch dog */
 
 		/* Set the Timer 2 in mode 5(Watchdog) */
 
@@ -2092,8 +2074,7 @@ int i_APCI3120_InsnWriteTimer(struct comedi_device *dev, struct comedi_subdevice
 		return -EINVAL;
 	}
 
-	if (data[0] == 2)	/*  write new value */
-	{
+	if (data[0] == 2) {	/*  write new value */
 		if (devpriv->b_Timer2Mode != APCI3120_TIMER) {
 			comedi_error(dev,
 				"write :timer2  not configured  in TIMER MODE");
@@ -2113,13 +2094,11 @@ int i_APCI3120_InsnWriteTimer(struct comedi_device *dev, struct comedi_subdevice
 
 		/*  Reset FC_TIMER BIT */
 		inb(devpriv->iobase + APCI3120_TIMER_STATUS_REGISTER);
-		if (devpriv->b_Timer2Mode == APCI3120_TIMER)	/* start timer */
-		{
+		if (devpriv->b_Timer2Mode == APCI3120_TIMER) {	/* start timer */
 			/* Enable Timer */
 			devpriv->b_ModeSelectRegister =
 				devpriv->b_ModeSelectRegister & 0x0B;
-		} else		/* start watch dog */
-		{
+		} else {		/* start watch dog */
 			/* Enable WatchDog */
 			devpriv->b_ModeSelectRegister =
 				(devpriv->
@@ -2146,8 +2125,7 @@ int i_APCI3120_InsnWriteTimer(struct comedi_device *dev, struct comedi_subdevice
 		outb(devpriv->b_ModeSelectRegister,
 			devpriv->iobase + APCI3120_WRITE_MODE_SELECT);
 
-		if (devpriv->b_Timer2Mode == APCI3120_TIMER)	/* start timer */
-		{
+		if (devpriv->b_Timer2Mode == APCI3120_TIMER) {	/* start timer */
 			/* For Timer mode is  Gate2 must be activated   **timer started */
 			devpriv->us_OutputRegister =
 				devpriv->
@@ -2299,8 +2277,7 @@ int i_APCI3120_InsnReadTimer(struct comedi_device *dev, struct comedi_subdevice
 		/*  combining both words */
 		data[0] = (unsigned int) ((us_TmpValue) | ((us_TmpValue_2) << 16));
 
-	} else			/*  Read watch dog status */
-	{
+	} else {			/*  Read watch dog status */
 
 		us_StatusValue = inw(devpriv->iobase + APCI3120_RD_STATUS);
 		us_StatusValue =
@@ -2441,10 +2418,9 @@ int i_APCI3120_InsnConfigDigitalOutput(struct comedi_device *dev,
 		devpriv->b_OutputMemoryStatus = APCI3120_DISABLE;
 		devpriv->b_DigitalOutputRegister = 0;
 	}
-	if (!devpriv->b_OutputMemoryStatus) {
+	if (!devpriv->b_OutputMemoryStatus)
 		ui_Temp = 0;
-
-	}			/* if(!devpriv->b_OutputMemoryStatus ) */
+				/* if(!devpriv->b_OutputMemoryStatus ) */
 
 	return insn->n;
 }
@@ -2504,23 +2480,23 @@ int i_APCI3120_InsnBitsDigitalOutput(struct comedi_device *dev,
 
 /*
 +----------------------------------------------------------------------------+
-| Function name     :int i_APCI3120_InsnWriteDigitalOutput(struct comedi_device *dev,|
-|struct comedi_subdevice *s,struct comedi_insn *insn,unsigned int *data) 			             |
-|                                            						         |
+| Function name		:int i_APCI3120_InsnWriteDigitalOutput(struct comedi_device *dev,|
+|struct comedi_subdevice *s,struct comedi_insn *insn,unsigned int *data)	|
+|										|
 +----------------------------------------------------------------------------+
-| Task              : Write digiatl output								     |
-|                     										                 |
+| Task			: Write digiatl output					|
+| 										|
 +----------------------------------------------------------------------------+
-| Input Parameters  : struct comedi_device *dev								 	 |
-|                     struct comedi_subdevice *s									 |
-|                     struct comedi_insn *insn                                      |
-|                     unsigned int *data 										 |
-                      data[0]     Value to be written
-                      data[1]    :1 Set digital o/p ON
-                      data[1]     2 Set digital o/p OFF with memory ON
+| Input Parameters	: struct comedi_device *dev				|
+|			struct comedi_subdevice *s			 	|
+|			struct comedi_insn *insn				|
+|			unsigned int *data					|
+			data[0]     Value to be written
+			data[1]    :1 Set digital o/p ON
+			data[1]     2 Set digital o/p OFF with memory ON
 +----------------------------------------------------------------------------+
-| Return Value      :              					                         |
-|                    													     |
+| Return Value		:							|
+|										|
 +----------------------------------------------------------------------------+
 */
 
@@ -2615,8 +2591,7 @@ int i_APCI3120_InsnWriteAnalogOutput(struct comedi_device *dev,
 	ui_Channel = CR_CHAN(insn->chanspec);
 
 	/* this_board->i_hwdrv_InsnWriteAnalogOutput(dev, ui_Range, ui_Channel,data[0]); */
-	if (ui_Range)		/*  if 1 then unipolar */
-	{
+	if (ui_Range) {		/*  if 1 then unipolar */
 
 		if (data[0] != 0)
 			data[0] =
@@ -2627,8 +2602,7 @@ int i_APCI3120_InsnWriteAnalogOutput(struct comedi_device *dev,
 				((((ui_Channel & 0x03) << 14) & 0xC000) | (1 <<
 					13) | 8192);
 
-	} else			/*  if 0 then   bipolar */
-	{
+	} else {			/*  if 0 then   bipolar */
 		data[0] =
 			((((ui_Channel & 0x03) << 14) & 0xC000) | (0 << 13) |
 			data[0]);
@@ -2639,8 +2613,7 @@ int i_APCI3120_InsnWriteAnalogOutput(struct comedi_device *dev,
  * out put n values at the given channel. printk("\nwaiting for
  * DA_READY BIT");
  */
-	do			/* Waiting of DA_READY BIT */
-	{
+	do {			/* Waiting of DA_READY BIT */
 		us_TmpValue =
 			((unsigned short) inw(devpriv->iobase +
 				APCI3120_RD_STATUS)) & 0x0001;
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3200.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3200.c
index 98c23872e374..560c848f6258 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3200.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3200.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
index 7b38d177394b..4ed441a1adc8 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.c
index 1d1e5fc2ea9a..3692326d474a 100644
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3xxx.c
@@ -17,7 +17,7 @@ This program is distributed in the hope that it will be useful, but WITHOUT ANY
 
 You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 
-You shoud also find the complete GPL in the COPYING file accompanying this source code.
+You should also find the complete GPL in the COPYING file accompanying this source code.
 
 @endverbatim
 */
@@ -1206,7 +1206,7 @@ int i_APCI3XXX_InsnWriteTTLIO(struct comedi_device *dev,
 
 		if (b_Channel < 8) {
 	      /*****************************************************************************/
-			/* Read port 0 (first digital output port) and set/reset the selcted channel */
+			/* Read port 0 (first digital output port) and set/reset the selected channel */
 	      /*****************************************************************************/
 
 			dw_Status = inl(devpriv->iobase + 80);
@@ -1228,7 +1228,7 @@ int i_APCI3XXX_InsnWriteTTLIO(struct comedi_device *dev,
 				if ((devpriv->ul_TTLPortConfiguration[0] & 0xFF)
 					== 0xFF) {
 		    /*****************************************************************************/
-					/* Read port 2 (first digital output port) and set/reset the selcted channel */
+					/* Read port 2 (first digital output port) and set/reset the selected channel */
 		    /*****************************************************************************/
 
 					dw_Status = inl(devpriv->iobase + 112);
diff --git a/drivers/staging/comedi/drivers/adl_pci9118.c b/drivers/staging/comedi/drivers/adl_pci9118.c
index 791ea8334e1e..9934a3cf2548 100644
--- a/drivers/staging/comedi/drivers/adl_pci9118.c
+++ b/drivers/staging/comedi/drivers/adl_pci9118.c
@@ -88,9 +88,9 @@ Configuration options:
 #define IORANGE_9118 	64	/* I hope */
 #define PCI9118_CHANLEN	255	/* len of chanlist, some source say 256, but reality looks like 255 :-( */
 
-#define PCI9118_CNT0	0x00	/* R/W: 8254 couter 0 */
-#define PCI9118_CNT1	0x04	/* R/W: 8254 couter 0 */
-#define PCI9118_CNT2	0x08	/* R/W: 8254 couter 0 */
+#define PCI9118_CNT0	0x00	/* R/W: 8254 counter 0 */
+#define PCI9118_CNT1	0x04	/* R/W: 8254 counter 0 */
+#define PCI9118_CNT2	0x08	/* R/W: 8254 counter 0 */
 #define PCI9118_CNTCTRL	0x0c	/* W:   8254 counter control */
 #define PCI9118_AD_DATA	0x10	/* R:   A/D data */
 #define PCI9118_DA1	0x10	/* W:   D/A registers */
diff --git a/drivers/staging/comedi/drivers/adq12b.c b/drivers/staging/comedi/drivers/adq12b.c
index c5ed8bb97602..f3ba645bf63b 100644
--- a/drivers/staging/comedi/drivers/adq12b.c
+++ b/drivers/staging/comedi/drivers/adq12b.c
@@ -42,23 +42,23 @@ If you do not specify any options, they will default to
   option 1: I/O base address. The following table is provided as a help
    of the hardware jumpers.
 
-         address            jumper JADR
-          0x300                 1 (factory default)
-          0x320                 2
-          0x340                 3
-          0x360                 4
-          0x380                 5
-          0x3A0                 6
+	 address            jumper JADR
+	  0x300                 1 (factory default)
+	  0x320                 2
+	  0x340                 3
+	  0x360                 4
+	  0x380                 5
+	  0x3A0                 6
 
   option 2: unipolar/bipolar ADC selection: 0 -> bipolar, 1 -> unipolar
 
-        selection         comedi_config option            JUB
-         bipolar                0                         2-3 (factory default)
-         unipolar               1                         1-2
+	selection         comedi_config option            JUB
+	 bipolar                0                         2-3 (factory default)
+	 unipolar               1                         1-2
 
   option 3: single-ended/differential AI selection: 0 -> SE, 1 -> differential
 
-        selection         comedi_config option     JCHA    JCHB
+	selection         comedi_config option     JCHA    JCHB
        single-ended             0                  1-2     1-2 (factory default)
        differential             1                  2-3     2-3
 
@@ -140,7 +140,7 @@ static const struct adq12b_board adq12b_boards[] = {
 	.ai_bits = 12,
 	.di_chans = 8,
 	.do_chans = 5
-        }*/
+	}*/
 };
 
 #define thisboard ((const struct adq12b_board *)dev->board_ptr)
@@ -164,14 +164,15 @@ struct adq12b_private {
 static int adq12b_attach(struct comedi_device *dev,
 			 struct comedi_devconfig *it);
 static int adq12b_detach(struct comedi_device *dev);
+
 static struct comedi_driver driver_adq12b = {
-driver_name:"adq12b",
-module:THIS_MODULE,
-attach:adq12b_attach,
-detach:adq12b_detach,
-board_name:&adq12b_boards[0].name,
-offset:sizeof(struct adq12b_board),
-num_names:ARRAY_SIZE(adq12b_boards),
+	.driver_name = "adq12b",
+	.module = THIS_MODULE,
+	.attach = adq12b_attach,
+	.detach = adq12b_detach,
+	.board_name = &adq12b_boards[0].name,
+	.offset = sizeof(struct adq12b_board),
+	.num_names = ARRAY_SIZE(adq12b_boards),
 };
 
 static int adq12b_ai_rinsn(struct comedi_device *dev,
@@ -200,15 +201,16 @@ static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	unipolar = it->options[1];
 	differential = it->options[2];
 
-	printk("comedi%d: adq12b called with options base=0x%03lx, %s and %s\n",
-	       dev->minor, iobase, (unipolar == 1) ? "unipolar" : "bipolar",
+	printk(KERN_INFO "comedi%d: adq12b called with options base=0x%03lx, "
+	       "%s and %s\n", dev->minor, iobase,
+	       (unipolar == 1) ? "unipolar" : "bipolar",
 	       (differential == 1) ? "differential" : "single-ended");
 
 	/* if no address was specified, try the default 0x300 */
 	if (iobase == 0) {
-		printk
-		    ("comedi%d: adq12b warning: I/O base address not specified. Trying the default 0x300.\n",
-		     dev->minor);
+		printk(KERN_WARNING "comedi%d: adq12b warning: I/O base "
+		       "address not specified. Trying the default 0x300.\n",
+		       dev->minor);
 		iobase = 0x300;
 	}
 
@@ -259,11 +261,10 @@ static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		s->n_chan = thisboard->ai_se_chans;
 	}
 
-	if (unipolar) {
+	if (unipolar)
 		s->range_table = &range_adq12b_ai_unipolar;
-	} else {
+	else
 		s->range_table = &range_adq12b_ai_bipolar;
-	}
 
 	s->maxdata = (1 << thisboard->ai_bits) - 1;
 
@@ -289,7 +290,7 @@ static int adq12b_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	s->range_table = &range_digital;
 	s->insn_bits = adq12b_do_insn_bits;
 
-	printk("attached\n");
+	printk(KERN_INFO "attached\n");
 
 	return 0;
 }
@@ -309,7 +310,7 @@ static int adq12b_detach(struct comedi_device *dev)
 
 	kfree(devpriv);
 
-	printk("comedi%d: adq12b: removed\n", dev->minor);
+	printk(KERN_INFO "comedi%d: adq12b: removed\n", dev->minor);
 
 	return 0;
 }
@@ -344,17 +345,18 @@ static int adq12b_ai_rinsn(struct comedi_device *dev,
 		/* wait for end of convertion */
 		i = 0;
 		do {
-/* udelay(1); */
+			/* udelay(1); */
 			status = inb(dev->iobase + ADQ12B_STINR);
 			status = status & ADQ12B_EOC;
 		} while (status == 0 && ++i < TIMEOUT);
-/* } while (++i < 10); */
+		/* } while (++i < 10); */
 
 		/* read data */
 		hi = inb(dev->iobase + ADQ12B_ADHIG);
 		lo = inb(dev->iobase + ADQ12B_ADLOW);
 
-		/* printk("debug: chan=%d range=%d status=%d hi=%d lo=%d\n", channel, range, status,  hi, lo); */
+		/* printk("debug: chan=%d range=%d status=%d hi=%d lo=%d\n",
+		       channel, range, status,  hi, lo); */
 		data[n] = (hi << 8) | lo;
 
 	}
diff --git a/drivers/staging/comedi/drivers/adv_pci1710.c b/drivers/staging/comedi/drivers/adv_pci1710.c
index 951e57949f7f..394d2ea19c2e 100644
--- a/drivers/staging/comedi/drivers/adv_pci1710.c
+++ b/drivers/staging/comedi/drivers/adv_pci1710.c
@@ -84,9 +84,9 @@ Configuration options:
 #define PCI171x_DAREF	14	/* W:   D/A reference control */
 #define PCI171x_DI	16	/* R:   digi inputs */
 #define PCI171x_DO	16	/* R:   digi inputs */
-#define PCI171x_CNT0	24	/* R/W: 8254 couter 0 */
-#define PCI171x_CNT1	26	/* R/W: 8254 couter 1 */
-#define PCI171x_CNT2	28	/* R/W: 8254 couter 2 */
+#define PCI171x_CNT0	24	/* R/W: 8254 counter 0 */
+#define PCI171x_CNT1	26	/* R/W: 8254 counter 1 */
+#define PCI171x_CNT2	28	/* R/W: 8254 counter 2 */
 #define PCI171x_CNTCTRL	30	/* W:   8254 counter control */
 
 /* upper bits from status register (PCI171x_STATUS) (lower is same woth control reg) */
@@ -724,6 +724,7 @@ static int move_block_from_fifo(struct comedi_device *dev,
 			devpriv->ai_act_scan++;
 		}
 	}
+	s->async->cur_chan = j;
 	DPRINTK("adv_pci1710 EDBG: END: move_block_from_fifo(...)\n");
 	return 0;
 }
@@ -1034,14 +1035,6 @@ static int pci171x_ai_cmdtest(struct comedi_device *dev,
 		}
 	}
 
-	if (!cmd->chanlist_len) {
-		cmd->chanlist_len = 1;
-		err++;
-	}
-	if (cmd->chanlist_len > this_board->n_aichan) {
-		cmd->chanlist_len = this_board->n_aichan;
-		err++;
-	}
 	if (cmd->scan_end_arg != cmd->chanlist_len) {
 		cmd->scan_end_arg = cmd->chanlist_len;
 		err++;
@@ -1230,6 +1223,12 @@ static void setup_channel_list(struct comedi_device *dev,
 		DPRINTK("GS: %2d. [%4x]=%4x %4x\n", i, chanprog, range,
 			devpriv->act_chanlist[i]);
 	}
+#ifdef PCI171x_PARANOIDCHECK
+	for ( ; i < n_chan; i++) { /* store remainder of channel list */
+		devpriv->act_chanlist[i] =
+		    (CR_CHAN(chanlist[i]) << 12) & 0xf000;
+	}
+#endif
 
 	devpriv->ai_et_MuxVal =
 	    CR_CHAN(chanlist[0]) | (CR_CHAN(chanlist[seglen - 1]) << 8);
diff --git a/drivers/staging/comedi/drivers/aio_iiro_16.c b/drivers/staging/comedi/drivers/aio_iiro_16.c
index 3857fd566d21..4baef9ff932a 100644
--- a/drivers/staging/comedi/drivers/aio_iiro_16.c
+++ b/drivers/staging/comedi/drivers/aio_iiro_16.c
@@ -98,7 +98,7 @@ static int aio_iiro_16_attach(struct comedi_device *dev,
 	int iobase;
 	struct comedi_subdevice *s;
 
-	printk("comedi%d: aio_iiro_16: ", dev->minor);
+	printk(KERN_INFO "comedi%d: aio_iiro_16: ", dev->minor);
 
 	dev->board_name = thisboard->name;
 
@@ -140,7 +140,7 @@ static int aio_iiro_16_attach(struct comedi_device *dev,
 
 static int aio_iiro_16_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: aio_iiro_16: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: aio_iiro_16: remove\n", dev->minor);
 
 	if (dev->iobase)
 		release_region(dev->iobase, AIO_IIRO_16_SIZE);
diff --git a/drivers/staging/comedi/drivers/amplc_dio200.c b/drivers/staging/comedi/drivers/amplc_dio200.c
index 69ab2813dd2e..204f30ef6e96 100644
--- a/drivers/staging/comedi/drivers/amplc_dio200.c
+++ b/drivers/staging/comedi/drivers/amplc_dio200.c
@@ -48,8 +48,8 @@ Passing a zero for an option is the same as leaving it unspecified.
 
 SUBDEVICES
 
-                    PC218E         PC212E      PC215E/PCI215
-                 -------------  -------------  -------------
+		    PC218E         PC212E      PC215E/PCI215
+		 -------------  -------------  -------------
   Subdevices           7              6              5
    0                 CTR-X1         PPI-X          PPI-X
    1                 CTR-X2         CTR-Y1         PPI-Y
@@ -59,8 +59,8 @@ SUBDEVICES
    5                 CTR-Z2       INTERRUPT
    6               INTERRUPT
 
-                    PC214E      PC272E/PCI272
-                 -------------  -------------
+		    PC214E      PC272E/PCI272
+		 -------------  -------------
   Subdevices           4              4
    0                 PPI-X          PPI-X
    1                 PPI-Y          PPI-Y
@@ -96,8 +96,8 @@ instructions are supported:
     0 to 7 as follows:
 
       0.  CLK n, the counter channel's dedicated CLK input from the SK1
-        connector.  (N.B. for other values, the counter channel's CLKn
-        pin on the SK1 connector is an output!)
+	connector.  (N.B. for other values, the counter channel's CLKn
+	pin on the SK1 connector is an output!)
       1.  Internal 10 MHz clock.
       2.  Internal 1 MHz clock.
       3.  Internal 100 kHz clock.
@@ -105,8 +105,8 @@ instructions are supported:
       5.  Internal 1 kHz clock.
       6.  OUT n-1, the output of counter channel n-1 (see note 1 below).
       7.  Ext Clock, the counter chip's dedicated Ext Clock input from
-        the SK1 connector.  This pin is shared by all three counter
-        channels on the chip.
+	the SK1 connector.  This pin is shared by all three counter
+	channels on the chip.
 
   INSN_CONFIG_GET_CLOCK_SRC.  Returns the counter channel's current
     clock source in data[1].  For internal clock sources, data[2] is set
@@ -120,10 +120,10 @@ instructions are supported:
       0.  VCC (internal +5V d.c.), i.e. gate permanently enabled.
       1.  GND (internal 0V d.c.), i.e. gate permanently disabled.
       2.  GAT n, the counter channel's dedicated GAT input from the SK1
-        connector.  (N.B. for other values, the counter channel's GATn
-        pin on the SK1 connector is an output!)
+	connector.  (N.B. for other values, the counter channel's GATn
+	pin on the SK1 connector is an output!)
       3.  /OUT n-2, the inverted output of counter channel n-2 (see note
-        2 below).
+	2 below).
       4.  Reserved.
       5.  Reserved.
       6.  Reserved.
@@ -153,8 +153,8 @@ below.
 
 INTERRUPT SOURCES
 
-                    PC218E         PC212E      PC215E/PCI215
-                 -------------  -------------  -------------
+		    PC218E         PC212E      PC215E/PCI215
+		 -------------  -------------  -------------
   Sources              6              6              6
    0              CTR-X1-OUT      PPI-X-C0       PPI-X-C0
    1              CTR-X2-OUT      PPI-X-C3       PPI-X-C3
@@ -163,8 +163,8 @@ INTERRUPT SOURCES
    4              CTR-Z1-OUT     CTR-Z1-OUT     CTR-Z1-OUT
    5              CTR-Z2-OUT     CTR-Z2-OUT     CTR-Z2-OUT
 
-                    PC214E      PC272E/PCI272
-                 -------------  -------------
+		    PC214E      PC272E/PCI272
+		 -------------  -------------
   Sources              1              6
    0               JUMPER-J5      PPI-X-C0
    1                              PPI-X-C3
@@ -435,11 +435,13 @@ MODULE_DEVICE_TABLE(pci, dio200_pci_table);
  * Useful for shorthand access to the particular board structure
  */
 #define thisboard ((const struct dio200_board *)dev->board_ptr)
-#define thislayout (&dio200_layouts[((struct dio200_board *)dev->board_ptr)->layout])
+#define thislayout (&dio200_layouts[((struct dio200_board *) \
+		    dev->board_ptr)->layout])
 
 /* this structure is for data unique to this hardware driver.  If
    several hardware drivers keep similar information in this structure,
-   feel free to suggest moving the variable to the struct comedi_device struct.  */
+   feel free to suggest moving the variable to the struct comedi_device struct.
+ */
 struct dio200_private {
 #ifdef CONFIG_COMEDI_PCI
 	struct pci_dev *pci_dev;	/* PCI device */
@@ -603,9 +605,8 @@ static void dio200_stop_intr(struct comedi_device *dev,
 
 	subpriv->active = 0;
 	subpriv->enabled_isns = 0;
-	if (subpriv->has_int_sce) {
+	if (subpriv->has_int_sce)
 		outb(0, subpriv->iobase);
-	}
 }
 
 /*
@@ -629,16 +630,14 @@ static int dio200_start_intr(struct comedi_device *dev,
 		/* Determine interrupt sources to enable. */
 		isn_bits = 0;
 		if (cmd->chanlist) {
-			for (n = 0; n < cmd->chanlist_len; n++) {
+			for (n = 0; n < cmd->chanlist_len; n++)
 				isn_bits |= (1U << CR_CHAN(cmd->chanlist[n]));
-			}
 		}
 		isn_bits &= subpriv->valid_isns;
 		/* Enable interrupt sources. */
 		subpriv->enabled_isns = isn_bits;
-		if (subpriv->has_int_sce) {
+		if (subpriv->has_int_sce)
 			outb(isn_bits, subpriv->iobase);
-		}
 	}
 
 	return retval;
@@ -662,14 +661,13 @@ dio200_inttrig_start_intr(struct comedi_device *dev, struct comedi_subdevice *s,
 
 	spin_lock_irqsave(&subpriv->spinlock, flags);
 	s->async->inttrig = 0;
-	if (subpriv->active) {
+	if (subpriv->active)
 		event = dio200_start_intr(dev, s);
-	}
+
 	spin_unlock_irqrestore(&subpriv->spinlock, flags);
 
-	if (event) {
+	if (event)
 		comedi_event(dev, s);
-	}
 
 	return 1;
 }
@@ -726,9 +724,8 @@ static int dio200_handle_read_intr(struct comedi_device *dev,
 		 * Reenable them NOW to minimize the time they are disabled.
 		 */
 		cur_enabled = subpriv->enabled_isns;
-		if (subpriv->has_int_sce) {
+		if (subpriv->has_int_sce)
 			outb(cur_enabled, subpriv->iobase);
-		}
 
 		if (subpriv->active) {
 			/*
@@ -747,9 +744,8 @@ static int dio200_handle_read_intr(struct comedi_device *dev,
 				len = s->async->cmd.chanlist_len;
 				for (n = 0; n < len; n++) {
 					ch = CR_CHAN(s->async->cmd.chanlist[n]);
-					if (triggered & (1U << ch)) {
+					if (triggered & (1U << ch))
 						val |= (1U << n);
-					}
 				}
 				/* Write the scan to the buffer. */
 				if (comedi_buf_put(s->async, val)) {
@@ -781,9 +777,8 @@ static int dio200_handle_read_intr(struct comedi_device *dev,
 	}
 	spin_unlock_irqrestore(&subpriv->spinlock, flags);
 
-	if (oldevents != s->async->events) {
+	if (oldevents != s->async->events)
 		comedi_event(dev, s);
-	}
 
 	return (triggered != 0);
 }
@@ -798,9 +793,9 @@ static int dio200_subdev_intr_cancel(struct comedi_device *dev,
 	unsigned long flags;
 
 	spin_lock_irqsave(&subpriv->spinlock, flags);
-	if (subpriv->active) {
+	if (subpriv->active)
 		dio200_stop_intr(dev, s);
-	}
+
 	spin_unlock_irqrestore(&subpriv->spinlock, flags);
 
 	return 0;
@@ -846,7 +841,8 @@ dio200_subdev_intr_cmdtest(struct comedi_device *dev,
 	if (err)
 		return 1;
 
-	/* step 2: make sure trigger sources are unique and mutually compatible */
+	/* step 2: make sure trigger sources are unique and mutually
+		   compatible */
 
 	/* these tests are true if more than one _src bit is set */
 	if ((cmd->start_src & (cmd->start_src - 1)) != 0)
@@ -952,9 +948,8 @@ static int dio200_subdev_intr_cmd(struct comedi_device *dev,
 	}
 	spin_unlock_irqrestore(&subpriv->spinlock, flags);
 
-	if (event) {
+	if (event)
 		comedi_event(dev, s);
-	}
 
 	return 0;
 }
@@ -980,9 +975,8 @@ dio200_subdev_intr_init(struct comedi_device *dev, struct comedi_subdevice *s,
 	subpriv->valid_isns = valid_isns;
 	spin_lock_init(&subpriv->spinlock);
 
-	if (has_int_sce) {
+	if (has_int_sce)
 		outb(0, subpriv->iobase);	/* Disable interrupt sources. */
-	}
 
 	s->private = subpriv;
 	s->type = COMEDI_SUBD_DI;
@@ -1013,10 +1007,7 @@ dio200_subdev_intr_cleanup(struct comedi_device *dev,
 			   struct comedi_subdevice *s)
 {
 	struct dio200_subdev_intr *subpriv = s->private;
-
-	if (subpriv) {
-		kfree(subpriv);
-	}
+	kfree(subpriv);
 }
 
 /*
@@ -1027,9 +1018,8 @@ static irqreturn_t dio200_interrupt(int irq, void *d)
 	struct comedi_device *dev = d;
 	int handled;
 
-	if (!dev->attached) {
+	if (!dev->attached)
 		return IRQ_NONE;
-	}
 
 	if (devpriv->intr_sd >= 0) {
 		handled = dio200_handle_read_intr(dev,
@@ -1266,10 +1256,7 @@ dio200_subdev_8254_cleanup(struct comedi_device *dev,
 			   struct comedi_subdevice *s)
 {
 	struct dio200_subdev_intr *subpriv = s->private;
-
-	if (subpriv) {
-		kfree(subpriv);
-	}
+	kfree(subpriv);
 }
 
 /*
@@ -1348,9 +1335,8 @@ static int dio200_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 #endif
 	{
 		ret = dio200_request_region(dev->minor, iobase, DIO200_IO_SIZE);
-		if (ret < 0) {
+		if (ret < 0)
 			return ret;
-		}
 	}
 	dev->iobase = iobase;
 
@@ -1371,17 +1357,17 @@ static int dio200_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 			ret = dio200_subdev_8254_init(dev, s, iobase,
 						      layout->sdinfo[n],
 						      layout->has_clk_gat_sce);
-			if (ret < 0) {
+			if (ret < 0)
 				return ret;
-			}
+
 			break;
 		case sd_8255:
 			/* digital i/o subdevice (8255) */
 			ret = subdev_8255_init(dev, s, 0,
 					       iobase + layout->sdinfo[n]);
-			if (ret < 0) {
+			if (ret < 0)
 				return ret;
-			}
+
 			break;
 		case sd_intr:
 			/* 'INTERRUPT' subdevice */
@@ -1392,9 +1378,9 @@ static int dio200_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 							      layout->sdinfo[n],
 							      layout->
 							      has_int_sce);
-				if (ret < 0) {
+				if (ret < 0)
 					return ret;
-				}
+
 				devpriv->intr_sd = n;
 			} else {
 				s->type = COMEDI_SUBD_UNUSED;
@@ -1407,9 +1393,8 @@ static int dio200_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	}
 
 	sdx = devpriv->intr_sd;
-	if (sdx >= 0 && sdx < dev->n_subdevices) {
+	if (sdx >= 0 && sdx < dev->n_subdevices)
 		dev->read_subdev = &dev->subdevices[sdx];
-	}
 
 	dev->board_name = thisboard->name;
 
@@ -1434,11 +1419,10 @@ static int dio200_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		printk("(pci %s) ", pci_name(pci_dev));
 #endif
 	}
-	if (irq) {
+	if (irq)
 		printk("(irq %u%s) ", irq, (dev->irq ? "" : " UNAVAILABLE"));
-	} else {
+	else
 		printk("(no irq) ");
-	}
 
 	printk("attached\n");
 
@@ -1461,9 +1445,8 @@ static int dio200_detach(struct comedi_device *dev)
 	printk(KERN_DEBUG "comedi%d: %s: detach\n", dev->minor,
 	       DIO200_DRIVER_NAME);
 
-	if (dev->irq) {
+	if (dev->irq)
 		free_irq(dev->irq, dev);
-	}
 	if (dev->subdevices) {
 		layout = thislayout;
 		for (n = 0; n < dev->n_subdevices; n++) {
@@ -1486,22 +1469,19 @@ static int dio200_detach(struct comedi_device *dev)
 	if (devpriv) {
 #ifdef CONFIG_COMEDI_PCI
 		if (devpriv->pci_dev) {
-			if (dev->iobase) {
+			if (dev->iobase)
 				comedi_pci_disable(devpriv->pci_dev);
-			}
 			pci_dev_put(devpriv->pci_dev);
 		} else
 #endif
 		{
-			if (dev->iobase) {
+			if (dev->iobase)
 				release_region(dev->iobase, DIO200_IO_SIZE);
-			}
 		}
 	}
-	if (dev->board_name) {
+	if (dev->board_name)
 		printk(KERN_INFO "comedi%d: %s removed\n",
 		       dev->minor, dev->board_name);
-	}
 
 	return 0;
 }
diff --git a/drivers/staging/comedi/drivers/amplc_pc236.c b/drivers/staging/comedi/drivers/amplc_pc236.c
index 1032a8110d6e..a307d68d79c6 100644
--- a/drivers/staging/comedi/drivers/amplc_pc236.c
+++ b/drivers/staging/comedi/drivers/amplc_pc236.c
@@ -78,18 +78,18 @@ unused.
  */
 /* Disable interrupt, also clear any interrupt there */
 #define PCI236_INTR_DISABLE (PLX9052_INTCSR_LI1ENAB_DISABLED \
-        | PLX9052_INTCSR_LI1POL_HIGH \
-        | PLX9052_INTCSR_LI2POL_HIGH \
-        | PLX9052_INTCSR_PCIENAB_DISABLED \
-        | PLX9052_INTCSR_LI1SEL_EDGE \
-        | PLX9052_INTCSR_LI1CLRINT_ASSERTED)
+	| PLX9052_INTCSR_LI1POL_HIGH \
+	| PLX9052_INTCSR_LI2POL_HIGH \
+	| PLX9052_INTCSR_PCIENAB_DISABLED \
+	| PLX9052_INTCSR_LI1SEL_EDGE \
+	| PLX9052_INTCSR_LI1CLRINT_ASSERTED)
 /* Enable interrupt, also clear any interrupt there. */
 #define PCI236_INTR_ENABLE (PLX9052_INTCSR_LI1ENAB_ENABLED \
-        | PLX9052_INTCSR_LI1POL_HIGH \
-        | PLX9052_INTCSR_LI2POL_HIGH \
-        | PLX9052_INTCSR_PCIENAB_ENABLED \
-        | PLX9052_INTCSR_LI1SEL_EDGE \
-        | PLX9052_INTCSR_LI1CLRINT_ASSERTED)
+	| PLX9052_INTCSR_LI1POL_HIGH \
+	| PLX9052_INTCSR_LI2POL_HIGH \
+	| PLX9052_INTCSR_PCIENAB_ENABLED \
+	| PLX9052_INTCSR_LI1SEL_EDGE \
+	| PLX9052_INTCSR_LI1CLRINT_ASSERTED)
 
 /*
  * Board descriptions for Amplicon PC36AT and PCI236.
@@ -150,12 +150,13 @@ MODULE_DEVICE_TABLE(pci, pc236_pci_table);
 
 /* this structure is for data unique to this hardware driver.  If
    several hardware drivers keep similar information in this structure,
-   feel free to suggest moving the variable to the struct comedi_device struct.  */
+   feel free to suggest moving the variable to the struct comedi_device struct.
+ */
 struct pc236_private {
 #ifdef CONFIG_COMEDI_PCI
 	/* PCI device */
 	struct pci_dev *pci_dev;
-	unsigned long lcr_iobase;	/* PLX PCI9052 config registers in PCIBAR1 */
+	unsigned long lcr_iobase; /* PLX PCI9052 config registers in PCIBAR1 */
 #endif
 	int enable_irq;
 };
@@ -345,9 +346,8 @@ static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 #endif
 	{
 		ret = pc236_request_region(dev->minor, iobase, PC236_IO_SIZE);
-		if (ret < 0) {
+		if (ret < 0)
 			return ret;
-		}
 	}
 	dev->iobase = iobase;
 
@@ -399,11 +399,10 @@ static int pc236_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		printk("(pci %s) ", pci_name(pci_dev));
 #endif
 	}
-	if (irq) {
+	if (irq)
 		printk("(irq %u%s) ", irq, (dev->irq ? "" : " UNAVAILABLE"));
-	} else {
+	else
 		printk("(no irq) ");
-	}
 
 	printk("attached\n");
 
@@ -422,27 +421,24 @@ static int pc236_detach(struct comedi_device *dev)
 {
 	printk(KERN_DEBUG "comedi%d: %s: detach\n", dev->minor,
 	       PC236_DRIVER_NAME);
-	if (devpriv) {
+	if (devpriv)
 		pc236_intr_disable(dev);
-	}
+
 	if (dev->irq)
 		free_irq(dev->irq, dev);
-	if (dev->subdevices) {
+	if (dev->subdevices)
 		subdev_8255_cleanup(dev, dev->subdevices + 0);
-	}
 	if (devpriv) {
 #ifdef CONFIG_COMEDI_PCI
 		if (devpriv->pci_dev) {
-			if (dev->iobase) {
+			if (dev->iobase)
 				comedi_pci_disable(devpriv->pci_dev);
-			}
 			pci_dev_put(devpriv->pci_dev);
 		} else
 #endif
 		{
-			if (dev->iobase) {
+			if (dev->iobase)
 				release_region(dev->iobase, PC236_IO_SIZE);
-			}
 		}
 	}
 	if (dev->board_name) {
diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c
index d9836879355e..b41e5e5963aa 100644
--- a/drivers/staging/comedi/drivers/amplc_pci224.c
+++ b/drivers/staging/comedi/drivers/amplc_pci224.c
@@ -1536,20 +1536,12 @@ static int pci224_detach(struct comedi_device *dev)
 
 		s = dev->subdevices + 0;
 		/* AO subdevice */
-		if (s->range_table_list) {
-			kfree(s->range_table_list);
-		}
+		kfree(s->range_table_list);
 	}
 	if (devpriv) {
-		if (devpriv->ao_readback) {
-			kfree(devpriv->ao_readback);
-		}
-		if (devpriv->ao_scan_vals) {
-			kfree(devpriv->ao_scan_vals);
-		}
-		if (devpriv->ao_scan_order) {
-			kfree(devpriv->ao_scan_order);
-		}
+		kfree(devpriv->ao_readback);
+		kfree(devpriv->ao_scan_vals);
+		kfree(devpriv->ao_scan_order);
 		if (devpriv->pci_dev) {
 			if (dev->iobase) {
 				comedi_pci_disable(devpriv->pci_dev);
diff --git a/drivers/staging/comedi/drivers/c6xdigio.c b/drivers/staging/comedi/drivers/c6xdigio.c
index abb0532182ba..fb0d5fa71765 100644
--- a/drivers/staging/comedi/drivers/c6xdigio.c
+++ b/drivers/staging/comedi/drivers/c6xdigio.c
@@ -45,7 +45,7 @@ http://robot0.ge.uiuc.edu/~spong/mecha/
 #include <linux/interrupt.h>
 #include <linux/timex.h>
 #include <linux/timer.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <linux/pnp.h>
 
 #include "../comedidev.h"
@@ -220,11 +220,11 @@ static int C6X_encInput(unsigned long baseAddr, unsigned channel)
 	/* printk("Inside C6X_encInput\n"); */
 
 	enc.value = 0;
-	if (channel == 0) {
+	if (channel == 0)
 		ppcmd = 0x48;
-	} else {
+	else
 		ppcmd = 0x50;
-	}
+
 	WriteByteToHwPort(baseAddr, ppcmd);
 	tmp = ReadByteFromHwPort(baseAddr + 1);
 	while (((tmp & 0x80) == 0) && (timeout < C6XDIGIO_TIME_OUT)) {
@@ -391,9 +391,8 @@ static int c6xdigio_ei_insn_read(struct comedi_device *dev,
 	int n;
 	int chan = CR_CHAN(insn->chanspec);
 
-	for (n = 0; n < insn->n; n++) {
+	for (n = 0; n < insn->n; n++)
 		data[n] = (C6X_encInput(dev->iobase, chan) & 0xffffff);
-	}
 
 	return n;
 }
@@ -420,9 +419,9 @@ static void board_init(struct comedi_device *dev)
 
 static const struct pnp_device_id c6xdigio_pnp_tbl[] = {
 	/* Standard LPT Printer Port */
-	{.id = "PNP0400",.driver_data = 0},
+	{.id = "PNP0400", .driver_data = 0},
 	/* ECP Printer Port */
-	{.id = "PNP0401",.driver_data = 0},
+	{.id = "PNP0401", .driver_data = 0},
 	{}
 };
 
@@ -452,15 +451,14 @@ static int c6xdigio_attach(struct comedi_device *dev,
 	if (result < 0)
 		return result;
 
-	/*  Make sure that PnP ports gets activated */
+	/*  Make sure that PnP ports get activated */
 	pnp_register_driver(&c6xdigio_pnp_driver);
 
 	irq = it->options[1];
-	if (irq > 0) {
+	if (irq > 0)
 		printk("comedi%d: irq = %u ignored\n", dev->minor, irq);
-	} else if (irq == 0) {
+	else if (irq == 0)
 		printk("comedi%d: no irq\n", dev->minor);
-	}
 
 	s = dev->subdevices + 0;
 	/* pwm output subdevice */
@@ -483,19 +481,19 @@ static int c6xdigio_attach(struct comedi_device *dev,
 	s->maxdata = 0xffffff;
 	s->range_table = &range_unknown;
 
-	/*           s = dev->subdevices + 2; */
+	/*	s = dev->subdevices + 2; */
 	/* pwm output subdevice */
-	/*       s->type = COMEDI_SUBD_COUNTER;  // Not sure what to put here */
-	/*       s->subdev_flags = SDF_WRITEABLE; */
-	/*       s->n_chan = 1; */
-	/*       s->trig[0] = c6xdigio_ei_init; */
-	/*       s->insn_read = c6xdigio_ei_init_insn_read; */
-	/*       s->insn_write = c6xdigio_ei_init_insn_write; */
-	/*       s->maxdata = 0xFFFF;  // Really just a don't care */
-	/*       s->range_table = &range_unknown; // Not sure what to put here */
-
-	/*  I will call this init anyway but more than likely the DSP board will not be connect */
-	/*  when device driver is loaded. */
+	/*	s->type = COMEDI_SUBD_COUNTER;  // Not sure what to put here */
+	/*	s->subdev_flags = SDF_WRITEABLE; */
+	/*	s->n_chan = 1; */
+	/*	s->trig[0] = c6xdigio_ei_init; */
+	/*	s->insn_read = c6xdigio_ei_init_insn_read; */
+	/*	s->insn_write = c6xdigio_ei_init_insn_write; */
+	/*	s->maxdata = 0xFFFF;  // Really just a don't care */
+	/*	s->range_table = &range_unknown; // Not sure what to put here */
+
+	/*  I will call this init anyway but more than likely the DSP board */
+	/*  will not be connected when device driver is loaded. */
 	board_init(dev);
 
 	return 0;
@@ -503,16 +501,17 @@ static int c6xdigio_attach(struct comedi_device *dev,
 
 static int c6xdigio_detach(struct comedi_device *dev)
 {
-/* board_halt(dev);  may not need this */
+	/* board_halt(dev);  may not need this */
 
 	printk("comedi%d: c6xdigio: remove\n", dev->minor);
 
-	if (dev->iobase) {
+	if (dev->iobase)
 		release_region(dev->iobase, C6XDIGIO_SIZE);
-	}
-	if (dev->irq) {
+
+	/*  Not using IRQ so I am not sure if I need this */
+	if (dev->irq)
 		free_irq(dev->irq, dev);
-	}			/*  Not using IRQ so I am not sure if I need this */
+
 	pnp_unregister_driver(&c6xdigio_pnp_driver);
 
 	return 0;
diff --git a/drivers/staging/comedi/drivers/cb_pcidas.c b/drivers/staging/comedi/drivers/cb_pcidas.c
index f3e66c440a38..434591de37c5 100644
--- a/drivers/staging/comedi/drivers/cb_pcidas.c
+++ b/drivers/staging/comedi/drivers/cb_pcidas.c
@@ -518,7 +518,7 @@ static int trimpot_7376_write(struct comedi_device *dev, uint8_t value);
 static int trimpot_8402_write(struct comedi_device *dev, unsigned int channel,
 			      uint8_t value);
 static int nvram_read(struct comedi_device *dev, unsigned int address,
-		      uint8_t * data);
+		      uint8_t *data);
 
 static inline unsigned int cal_enable_bits(struct comedi_device *dev)
 {
@@ -760,9 +760,8 @@ static int cb_pcidas_detach(struct comedi_device *dev)
 	if (dev->subdevices)
 		subdev_8255_cleanup(dev, dev->subdevices + 2);
 	if (devpriv && devpriv->pci_dev) {
-		if (devpriv->s5933_config) {
+		if (devpriv->s5933_config)
 			comedi_pci_disable(devpriv->pci_dev);
-		}
 		pci_dev_put(devpriv->pci_dev);
 	}
 
@@ -1248,9 +1247,8 @@ static int cb_pcidas_ai_cmd(struct comedi_device *dev,
 					cmd->flags & TRIG_ROUND_MASK);
 
 	/*  set number of conversions */
-	if (cmd->stop_src == TRIG_COUNT) {
+	if (cmd->stop_src == TRIG_COUNT)
 		devpriv->count = cmd->chanlist_len * cmd->stop_arg;
-	}
 	/*  enable interrupts */
 	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->adc_fifo_bits |= INTE;
@@ -1449,9 +1447,8 @@ static int cb_pcidas_ao_cmd(struct comedi_device *dev,
 			   devpriv->ao_divisor2, 2);
 	}
 	/*  set number of conversions */
-	if (cmd->stop_src == TRIG_COUNT) {
+	if (cmd->stop_src == TRIG_COUNT)
 		devpriv->ao_count = cmd->chanlist_len * cmd->stop_arg;
-	}
 	/*  set pacer source */
 	spin_lock_irqsave(&dev->spinlock, flags);
 	switch (cmd->scan_begin_src) {
@@ -1494,9 +1491,8 @@ static int cb_pcidas_ao_inttrig(struct comedi_device *dev,
 					       num_points * sizeof(short));
 	num_points = num_bytes / sizeof(short);
 
-	if (cmd->stop_src == TRIG_COUNT) {
+	if (cmd->stop_src == TRIG_COUNT)
 		devpriv->ao_count -= num_points;
-	}
 	/*  write data to board's fifo */
 	outsw(devpriv->ao_registers + DACDATA, devpriv->ao_buffer, num_bytes);
 
@@ -1534,9 +1530,8 @@ static irqreturn_t cb_pcidas_interrupt(int irq, void *d)
 	static const int timeout = 10000;
 	unsigned long flags;
 
-	if (dev->attached == 0) {
+	if (dev->attached == 0)
 		return IRQ_NONE;
-	}
 
 	async = s->async;
 	async->events = 0;
@@ -1558,15 +1553,13 @@ static irqreturn_t cb_pcidas_interrupt(int irq, void *d)
 
 	status = inw(devpriv->control_status + INT_ADCFIFO);
 #ifdef CB_PCIDAS_DEBUG
-	if ((status & (INT | EOAI | LADFUL | DAHFI | DAEMI)) == 0) {
+	if ((status & (INT | EOAI | LADFUL | DAHFI | DAEMI)) == 0)
 		comedi_error(dev, "spurious interrupt");
-	}
 #endif
 
 	/*  check for analog output interrupt */
-	if (status & (DAHFI | DAEMI)) {
+	if (status & (DAHFI | DAEMI))
 		handle_ao_interrupt(dev, status);
-	}
 	/*  check for analog input interrupts */
 	/*  if fifo half-full */
 	if (status & ADHFI) {
@@ -1675,9 +1668,8 @@ static void handle_ao_interrupt(struct comedi_device *dev, unsigned int status)
 					       num_points * sizeof(short));
 		num_points = num_bytes / sizeof(short);
 
-		if (async->cmd.stop_src == TRIG_COUNT) {
+		if (async->cmd.stop_src == TRIG_COUNT)
 			devpriv->ao_count -= num_points;
-		}
 		/*  write data to board's fifo */
 		outsw(devpriv->ao_registers + DACDATA, devpriv->ao_buffer,
 		      num_points);
@@ -1852,7 +1844,7 @@ static int wait_for_nvram_ready(unsigned long s5933_base_addr)
 }
 
 static int nvram_read(struct comedi_device *dev, unsigned int address,
-		      uint8_t * data)
+			uint8_t *data)
 {
 	unsigned long iobase = devpriv->s5933_config;
 
diff --git a/drivers/staging/comedi/drivers/cb_pcidda.c b/drivers/staging/comedi/drivers/cb_pcidda.c
index 782357732eed..81829d6fd287 100644
--- a/drivers/staging/comedi/drivers/cb_pcidda.c
+++ b/drivers/staging/comedi/drivers/cb_pcidda.c
@@ -410,9 +410,8 @@ static int cb_pcidda_detach(struct comedi_device *dev)
  */
 	if (devpriv) {
 		if (devpriv->pci_dev) {
-			if (devpriv->dac) {
+			if (devpriv->dac)
 				comedi_pci_disable(devpriv->pci_dev);
-			}
 			pci_dev_put(devpriv->pci_dev);
 		}
 	}
@@ -677,9 +676,8 @@ static unsigned int cb_pcidda_serial_in(struct comedi_device *dev)
 
 	for (i = 1; i <= value_width; i++) {
 		/*  read bits most significant bit first */
-		if (inw_p(devpriv->dac + DACALIBRATION1) & SERIAL_OUT_BIT) {
+		if (inw_p(devpriv->dac + DACALIBRATION1) & SERIAL_OUT_BIT)
 			value |= 1 << (value_width - i);
-		}
 	}
 
 	return value;
@@ -716,9 +714,8 @@ static unsigned int cb_pcidda_read_eeprom(struct comedi_device *dev,
 	/*  send serial output stream to eeprom */
 	cal2_bits = SELECT_EEPROM_BIT | DESELECT_REF_DAC_BIT | DUMMY_BIT;
 	/*  deactivate caldacs (one caldac for every two channels) */
-	for (i = 0; i < max_num_caldacs; i++) {
+	for (i = 0; i < max_num_caldacs; i++)
 		cal2_bits |= DESELECT_CALDAC_BIT(i);
-	}
 	outw_p(cal2_bits, devpriv->dac + DACALIBRATION2);
 
 	/*  tell eeprom we want to read */
@@ -756,9 +753,8 @@ static void cb_pcidda_write_caldac(struct comedi_device *dev,
 */
 	cal2_bits = DESELECT_REF_DAC_BIT | DUMMY_BIT;
 	/*  deactivate caldacs (one caldac for every two channels) */
-	for (i = 0; i < max_num_caldacs; i++) {
+	for (i = 0; i < max_num_caldacs; i++)
 		cal2_bits |= DESELECT_CALDAC_BIT(i);
-	}
 	/*  activate the caldac we want */
 	cal2_bits &= ~DESELECT_CALDAC_BIT(caldac);
 	outw_p(cal2_bits, devpriv->dac + DACALIBRATION2);
diff --git a/drivers/staging/comedi/drivers/cb_pcidio.c b/drivers/staging/comedi/drivers/cb_pcidio.c
index 7daad0a17fb1..38ccd105fa35 100644
--- a/drivers/staging/comedi/drivers/cb_pcidio.c
+++ b/drivers/staging/comedi/drivers/cb_pcidio.c
@@ -283,17 +283,15 @@ static int pcidio_detach(struct comedi_device *dev)
 	printk("comedi%d: cb_pcidio: remove\n", dev->minor);
 	if (devpriv) {
 		if (devpriv->pci_dev) {
-			if (devpriv->dio_reg_base) {
+			if (devpriv->dio_reg_base)
 				comedi_pci_disable(devpriv->pci_dev);
-			}
 			pci_dev_put(devpriv->pci_dev);
 		}
 	}
 	if (dev->subdevices) {
 		int i;
-		for (i = 0; i < thisboard->n_8255; i++) {
+		for (i = 0; i < thisboard->n_8255; i++)
 			subdev_8255_cleanup(dev, dev->subdevices + i);
-		}
 	}
 	return 0;
 }
diff --git a/drivers/staging/comedi/drivers/cb_pcimdas.c b/drivers/staging/comedi/drivers/cb_pcimdas.c
index cbbca05acb96..2e61727fc9a0 100644
--- a/drivers/staging/comedi/drivers/cb_pcimdas.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdas.c
@@ -330,11 +330,10 @@ found:
 
 	s = dev->subdevices + 2;
 	/* digital i/o subdevice */
-	if (thisboard->has_dio) {
+	if (thisboard->has_dio)
 		subdev_8255_init(dev, s, NULL, devpriv->BADR4);
-	} else {
+	else
 		s->type = COMEDI_SUBD_UNUSED;
-	}
 
 	printk("attached\n");
 
@@ -365,9 +364,8 @@ static int cb_pcimdas_detach(struct comedi_device *dev)
 		free_irq(dev->irq, dev);
 	if (devpriv) {
 		if (devpriv->pci_dev) {
-			if (devpriv->BADR0) {
+			if (devpriv->BADR0)
 				comedi_pci_disable(devpriv->pci_dev);
-			}
 			pci_dev_put(devpriv->pci_dev);
 		}
 	}
diff --git a/drivers/staging/comedi/drivers/cb_pcimdda.c b/drivers/staging/comedi/drivers/cb_pcimdda.c
index 980fa0aacf92..e32a31763d50 100644
--- a/drivers/staging/comedi/drivers/cb_pcimdda.c
+++ b/drivers/staging/comedi/drivers/cb_pcimdda.c
@@ -284,11 +284,10 @@ static int attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	s->n_chan = thisboard->ao_chans;
 	s->maxdata = figure_out_maxdata(thisboard->ao_bits);
 	/* this is hard-coded here */
-	if (it->options[2]) {
+	if (it->options[2])
 		s->range_table = &range_bipolar10;
-	} else {
+	else
 		s->range_table = &range_bipolar5;
-	}
 	s->insn_write = &ao_winsn;
 	s->insn_read = &ao_rinsn;
 
@@ -337,9 +336,8 @@ static int detach(struct comedi_device *dev)
 		}
 
 		if (devpriv->pci_dev) {
-			if (devpriv->registers) {
+			if (devpriv->registers)
 				comedi_pci_disable(devpriv->pci_dev);
-			}
 			pci_dev_put(devpriv->pci_dev);
 		}
 
diff --git a/drivers/staging/comedi/drivers/comedi_bond.c b/drivers/staging/comedi/drivers/comedi_bond.c
index cf39a24ddd4c..d7260cc86985 100644
--- a/drivers/staging/comedi/drivers/comedi_bond.c
+++ b/drivers/staging/comedi/drivers/comedi_bond.c
@@ -417,7 +417,7 @@ static int doDevConfig(struct comedi_device *dev, struct comedi_devconfig *it)
 		int sdev = -1, nchans, tmp;
 		struct BondedDevice *bdev = NULL;
 
-		if (minor < 0 || minor > COMEDI_NUM_BOARD_MINORS) {
+		if (minor < 0 || minor >= COMEDI_NUM_BOARD_MINORS) {
 			ERROR("Minor %d is invalid!\n", minor);
 			return 0;
 		}
diff --git a/drivers/staging/comedi/drivers/contec_pci_dio.c b/drivers/staging/comedi/drivers/contec_pci_dio.c
index b16d652f7763..9511814e6413 100644
--- a/drivers/staging/comedi/drivers/contec_pci_dio.c
+++ b/drivers/staging/comedi/drivers/contec_pci_dio.c
@@ -173,9 +173,8 @@ static int contec_detach(struct comedi_device *dev)
 	printk("comedi%d: contec: remove\n", dev->minor);
 
 	if (devpriv && devpriv->pci_dev) {
-		if (dev->iobase) {
+		if (dev->iobase)
 			comedi_pci_disable(devpriv->pci_dev);
-		}
 		pci_dev_put(devpriv->pci_dev);
 	}
 
diff --git a/drivers/staging/comedi/drivers/das08_cs.c b/drivers/staging/comedi/drivers/das08_cs.c
index 9b945e5fdd32..f12ef1cd6f53 100644
--- a/drivers/staging/comedi/drivers/das08_cs.c
+++ b/drivers/staging/comedi/drivers/das08_cs.c
@@ -34,7 +34,7 @@ This is the PCMCIA-specific support split off from the
 das08 driver.
 
 Options (for pcm-das08):
-        NONE
+	NONE
 
 Command support does not exist, but could be added for this board.
 */
@@ -52,7 +52,7 @@ Command support does not exist, but could be added for this board.
 #include <pcmcia/cistpl.h>
 #include <pcmcia/ds.h>
 
-static struct pcmcia_device *cur_dev = NULL;
+static struct pcmcia_device *cur_dev;
 
 #define thisboard ((const struct das08_board_struct *)dev->board_ptr)
 
diff --git a/drivers/staging/comedi/drivers/das6402.c b/drivers/staging/comedi/drivers/das6402.c
index 92487f58fd8b..a404a1831911 100644
--- a/drivers/staging/comedi/drivers/das6402.c
+++ b/drivers/staging/comedi/drivers/das6402.c
@@ -45,7 +45,7 @@ This driver has suffered bitrot.
 
 #define DAS6402_SIZE 16
 
-#define N_WORDS 3000*64
+#define N_WORDS (3000*64)
 
 #define STOP    0
 #define START   1
diff --git a/drivers/staging/comedi/drivers/das800.c b/drivers/staging/comedi/drivers/das800.c
index ecb97cdbce26..aadc4971c909 100644
--- a/drivers/staging/comedi/drivers/das800.c
+++ b/drivers/staging/comedi/drivers/das800.c
@@ -399,9 +399,8 @@ static irqreturn_t das800_interrupt(int irq, void *d)
 		} else {
 			fifo_empty = 0;	/*  cio-das802/16 has no fifo empty status bit */
 		}
-		if (fifo_empty) {
+		if (fifo_empty)
 			break;
-		}
 		/* strip off extraneous bits for 12 bit cards */
 		if (thisboard->resolution == 12)
 			dataPoint = (dataPoint >> 4) & 0xfff;
@@ -457,9 +456,8 @@ static int das800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	int board;
 
 	printk("comedi%d: das800: io 0x%lx", dev->minor, iobase);
-	if (irq) {
+	if (irq)
 		printk(", irq %u", irq);
-	}
 	printk("\n");
 
 	/* allocate and initialize dev->private */
diff --git a/drivers/staging/comedi/drivers/dmm32at.c b/drivers/staging/comedi/drivers/dmm32at.c
index 9db9a467c8f8..d5cbd515c370 100644
--- a/drivers/staging/comedi/drivers/dmm32at.c
+++ b/drivers/staging/comedi/drivers/dmm32at.c
@@ -1048,11 +1048,10 @@ static int dmm32at_dio_insn_config(struct comedi_device *dev,
 	 * value COMEDI_INPUT or COMEDI_OUTPUT. */
 
 	/* if output clear the bit, otherwise set it */
-	if (data[0] == COMEDI_OUTPUT) {
+	if (data[0] == COMEDI_OUTPUT)
 		devpriv->dio_config &= ~chanbit;
-	} else {
+	else
 		devpriv->dio_config |= chanbit;
-	}
 	/* get access to the DIO regs */
 	dmm_outb(dev, DMM32AT_CNTRL, DMM32AT_DIOACC);
 	/* set the DIO's to the new configuration setting */
diff --git a/drivers/staging/comedi/drivers/dt2801.c b/drivers/staging/comedi/drivers/dt2801.c
index 7b9af5d755e0..3f365aee4822 100644
--- a/drivers/staging/comedi/drivers/dt2801.c
+++ b/drivers/staging/comedi/drivers/dt2801.c
@@ -18,10 +18,10 @@ Configuration options:
   [1] - unused
   [2] - A/D reference 0=differential, 1=single-ended
   [3] - A/D range
-          0 = [-10,10]
+	  0 = [-10, 10]
 	  1 = [0,10]
   [4] - D/A 0 range
-          0 = [-10,10]
+	  0 = [-10, 10]
 	  1 = [-5,5]
 	  2 = [-2.5,2.5]
 	  3 = [0,10]
@@ -279,9 +279,8 @@ static int dt2801_readdata(struct comedi_device *dev, int *data)
 
 	do {
 		stat = inb_p(dev->iobase + DT2801_STATUS);
-		if (stat & (DT_S_COMPOSITE_ERROR | DT_S_READY)) {
+		if (stat & (DT_S_COMPOSITE_ERROR | DT_S_READY))
 			return stat;
-		}
 		if (stat & DT_S_DATA_OUT_READY) {
 			*data = inb_p(dev->iobase + DT2801_DATA);
 			return 0;
@@ -315,9 +314,8 @@ static int dt2801_writedata(struct comedi_device *dev, unsigned int data)
 	do {
 		stat = inb_p(dev->iobase + DT2801_STATUS);
 
-		if (stat & DT_S_COMPOSITE_ERROR) {
+		if (stat & DT_S_COMPOSITE_ERROR)
 			return stat;
-		}
 		if (!(stat & DT_S_DATA_IN_FULL)) {
 			outb_p(data & 0xff, dev->iobase + DT2801_DATA);
 			return 0;
@@ -354,18 +352,15 @@ static int dt2801_wait_for_ready(struct comedi_device *dev)
 	int stat;
 
 	stat = inb_p(dev->iobase + DT2801_STATUS);
-	if (stat & DT_S_READY) {
+	if (stat & DT_S_READY)
 		return 0;
-	}
 	do {
 		stat = inb_p(dev->iobase + DT2801_STATUS);
 
-		if (stat & DT_S_COMPOSITE_ERROR) {
+		if (stat & DT_S_COMPOSITE_ERROR)
 			return stat;
-		}
-		if (stat & DT_S_READY) {
+		if (stat & DT_S_READY)
 			return 0;
-		}
 	} while (--timeout > 0);
 
 	return -ETIME;
@@ -382,9 +377,8 @@ static int dt2801_writecmd(struct comedi_device *dev, int command)
 		printk
 		    ("dt2801: composite-error in dt2801_writecmd(), ignoring\n");
 	}
-	if (!(stat & DT_S_READY)) {
+	if (!(stat & DT_S_READY))
 		printk("dt2801: !ready in dt2801_writecmd(), ignoring\n");
-	}
 	outb_p(command, dev->iobase + DT2801_CMD);
 
 	return 0;
@@ -418,9 +412,8 @@ static int dt2801_reset(struct comedi_device *dev)
 		if (stat & DT_S_READY)
 			break;
 	} while (timeout--);
-	if (!timeout) {
+	if (!timeout)
 		printk("dt2801: timeout 1 status=0x%02x\n", stat);
-	}
 
 	/* printk("dt2801: reading dummy\n"); */
 	/* dt2801_readdata(dev,&board_code); */
@@ -436,9 +429,8 @@ static int dt2801_reset(struct comedi_device *dev)
 		if (stat & DT_S_READY)
 			break;
 	} while (timeout--);
-	if (!timeout) {
+	if (!timeout)
 		printk("dt2801: timeout 2 status=0x%02x\n", stat);
-	}
 
 	DPRINTK("dt2801: reading code\n");
 	dt2801_readdata(dev, &board_code);
@@ -623,11 +615,10 @@ static int dt2801_detach(struct comedi_device *dev)
 static int dt2801_error(struct comedi_device *dev, int stat)
 {
 	if (stat < 0) {
-		if (stat == -ETIME) {
+		if (stat == -ETIME)
 			printk("dt2801: timeout\n");
-		} else {
+		else
 			printk("dt2801: error %d\n", stat);
-		}
 		return stat;
 	}
 	printk("dt2801: error status 0x%02x, resetting...\n", stat);
diff --git a/drivers/staging/comedi/drivers/dt2815.c b/drivers/staging/comedi/drivers/dt2815.c
index d1db93c043a8..d1a4f7822433 100644
--- a/drivers/staging/comedi/drivers/dt2815.c
+++ b/drivers/staging/comedi/drivers/dt2815.c
@@ -34,19 +34,19 @@ Configuration options:
   [0] - I/O port base base address
   [1] - IRQ (unused)
   [2] - Voltage unipolar/bipolar configuration
-          0 == unipolar 5V  (0V -- +5V)
-	  1 == bipolar 5V  (-5V -- +5V)
+	0 == unipolar 5V  (0V -- +5V)
+	1 == bipolar 5V  (-5V -- +5V)
   [3] - Current offset configuration
-          0 == disabled  (0mA -- +32mAV)
-          1 == enabled  (+4mA -- +20mAV)
+	0 == disabled  (0mA -- +32mAV)
+	1 == enabled  (+4mA -- +20mAV)
   [4] - Firmware program configuration
-          0 == program 1 (see manual table 5-4)
-          1 == program 2 (see manual table 5-4)
-          2 == program 3 (see manual table 5-4)
-          3 == program 4 (see manual table 5-4)
+	0 == program 1 (see manual table 5-4)
+	1 == program 2 (see manual table 5-4)
+	2 == program 3 (see manual table 5-4)
+	3 == program 4 (see manual table 5-4)
   [5] - Analog output 0 range configuration
-          0 == voltage
-          1 == current
+	0 == voltage
+	1 == current
   [6] - Analog output 1 range configuration (same options)
   [7] - Analog output 2 range configuration (same options)
   [8] - Analog output 3 range configuration (same options)
@@ -61,17 +61,11 @@ Configuration options:
 #include <linux/ioport.h>
 #include <linux/delay.h>
 
-static const struct comedi_lrange range_dt2815_ao_32_current = { 1, {
-								     RANGE_mA(0,
-									      32)
-								     }
-};
+static const struct comedi_lrange
+	range_dt2815_ao_32_current = {1, {RANGE_mA(0, 32)} };
 
-static const struct comedi_lrange range_dt2815_ao_20_current = { 1, {
-								     RANGE_mA(4,
-									      20)
-								     }
-};
+static const struct comedi_lrange
+	range_dt2815_ao_20_current = {1, {RANGE_mA(4, 20)} };
 
 #define DT2815_SIZE 2
 
@@ -118,9 +112,8 @@ static int dt2815_ao_insn_read(struct comedi_device *dev,
 	int i;
 	int chan = CR_CHAN(insn->chanspec);
 
-	for (i = 0; i < insn->n; i++) {
+	for (i = 0; i < insn->n; i++)
 		data[i] = devpriv->ao_readback[chan];
-	}
 
 	return i;
 }
@@ -139,9 +132,8 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
 
 		status = dt2815_wait_for_status(dev, 0x00);
 		if (status != 0) {
-			printk
-			    ("dt2815: failed to write low byte on %d reason %x\n",
-			     chan, status);
+			printk(KERN_WARNING "dt2815: failed to write low byte "
+			       "on %d reason %x\n", chan, status);
 			return -EBUSY;
 		}
 
@@ -149,9 +141,8 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
 
 		status = dt2815_wait_for_status(dev, 0x10);
 		if (status != 0x10) {
-			printk
-			    ("dt2815: failed to write high byte on %d reason %x\n",
-			     chan, status);
+			printk(KERN_WARNING "dt2815: failed to write high byte "
+			       "on %d reason %x\n", chan, status);
 			return -EBUSY;
 		}
 		devpriv->ao_readback[chan] = data[i];
@@ -163,24 +154,24 @@ static int dt2815_ao_insn(struct comedi_device *dev, struct comedi_subdevice *s,
   options[0]   Board base address
   options[1]   IRQ (not applicable)
   options[2]   Voltage unipolar/bipolar configuration
-                 0 == unipolar 5V  (0V -- +5V)
-		 1 == bipolar 5V  (-5V -- +5V)
+		0 == unipolar 5V  (0V -- +5V)
+		1 == bipolar 5V  (-5V -- +5V)
   options[3]   Current offset configuration
-                 0 == disabled  (0mA -- +32mAV)
-                 1 == enabled  (+4mA -- +20mAV)
+		0 == disabled  (0mA -- +32mAV)
+		1 == enabled  (+4mA -- +20mAV)
   options[4]   Firmware program configuration
-                 0 == program 1 (see manual table 5-4)
-                 1 == program 2 (see manual table 5-4)
-                 2 == program 3 (see manual table 5-4)
-                 3 == program 4 (see manual table 5-4)
+		0 == program 1 (see manual table 5-4)
+		1 == program 2 (see manual table 5-4)
+		2 == program 3 (see manual table 5-4)
+		3 == program 4 (see manual table 5-4)
   options[5]   Analog output 0 range configuration
-                 0 == voltage
-                 1 == current
+		0 == voltage
+		1 == current
   options[6]   Analog output 1 range configuration
   ...
   options[12]   Analog output 7 range configuration
-                 0 == voltage
-                 1 == current
+		0 == voltage
+		1 == current
  */
 
 static int dt2815_attach(struct comedi_device *dev, struct comedi_devconfig *it)
@@ -191,9 +182,9 @@ static int dt2815_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	unsigned long iobase;
 
 	iobase = it->options[0];
-	printk("comedi%d: dt2815: 0x%04lx ", dev->minor, iobase);
+	printk(KERN_INFO "comedi%d: dt2815: 0x%04lx ", dev->minor, iobase);
 	if (!request_region(iobase, DT2815_SIZE, "dt2815")) {
-		printk("I/O port conflict\n");
+		printk(KERN_WARNING "I/O port conflict\n");
 		return -EIO;
 	}
 
@@ -236,19 +227,17 @@ static int dt2815_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 			unsigned int program;
 			program = (it->options[4] & 0x3) << 3 | 0x7;
 			outb(program, dev->iobase + DT2815_DATA);
-			printk(", program: 0x%x (@t=%d)\n", program, i);
+			printk(KERN_INFO ", program: 0x%x (@t=%d)\n",
+			       program, i);
 			break;
 		} else if (status != 0x00) {
-			printk("dt2815: unexpected status 0x%x (@t=%d)\n",
-			       status, i);
-			if (status & 0x60) {
+			printk(KERN_WARNING "dt2815: unexpected status 0x%x "
+			       "(@t=%d)\n", status, i);
+			if (status & 0x60)
 				outb(0x00, dev->iobase + DT2815_STATUS);
-			}
 		}
 	}
 
-	printk("\n");
-
 	return 0;
 }
 
@@ -260,7 +249,7 @@ static void dt2815_free_resources(struct comedi_device *dev)
 
 static int dt2815_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: dt2815: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: dt2815: remove\n", dev->minor);
 
 	dt2815_free_resources(dev);
 
diff --git a/drivers/staging/comedi/drivers/dt9812.c b/drivers/staging/comedi/drivers/dt9812.c
index 312f4f282bd7..96caae36279c 100644
--- a/drivers/staging/comedi/drivers/dt9812.c
+++ b/drivers/staging/comedi/drivers/dt9812.c
@@ -264,7 +264,7 @@ struct dt9812_usb_cmd {
 
 static DECLARE_MUTEX(dt9812_mutex);
 
-static struct usb_device_id dt9812_table[] = {
+static const struct usb_device_id dt9812_table[] = {
 	{USB_DEVICE(0x0867, 0x9812)},
 	{}			/* Terminating entry */
 };
diff --git a/drivers/staging/comedi/drivers/fl512.c b/drivers/staging/comedi/drivers/fl512.c
index 8fca18043357..a10a2b070a24 100644
--- a/drivers/staging/comedi/drivers/fl512.c
+++ b/drivers/staging/comedi/drivers/fl512.c
@@ -76,14 +76,14 @@ static int fl512_ai_insn(struct comedi_device *dev,
 	unsigned long iobase = dev->iobase;
 
 	for (n = 0; n < insn->n; n++) {	/* sample n times on selected channel */
-		/* XXX probably can move next step out of for() loop -- will make
-		 * AI a little bit faster. */
+		/* XXX probably can move next step out of for() loop -- will
+		 * make AI a little bit faster. */
 		outb(chan, iobase + 2);	/* select chan */
 		outb(0, iobase + 3);	/* start conversion */
 		/* XXX should test "done" flag instead of delay */
 		udelay(30);	/* sleep 30 usec */
 		lo_byte = inb(iobase + 2);	/* low 8 byte */
-		hi_byte = inb(iobase + 3) & 0xf;	/* high 4 bit and mask */
+		hi_byte = inb(iobase + 3) & 0xf; /* high 4 bit and mask */
 		data[n] = lo_byte + (hi_byte << 8);
 	}
 	return n;
@@ -101,8 +101,10 @@ static int fl512_ao_insn(struct comedi_device *dev,
 	unsigned long iobase = dev->iobase;	/* get base address  */
 
 	for (n = 0; n < insn->n; n++) {	/* write n data set */
-		outb(data[n] & 0x0ff, iobase + 4 + 2 * chan);	/* write low byte   */
-		outb((data[n] & 0xf00) >> 8, iobase + 4 + 2 * chan);	/* write high byte  */
+		/* write low byte   */
+		outb(data[n] & 0x0ff, iobase + 4 + 2 * chan);
+		/* write high byte  */
+		outb((data[n] & 0xf00) >> 8, iobase + 4 + 2 * chan);
 		inb(iobase + 4 + 2 * chan);	/* trig */
 
 		devpriv->ao_readback[chan] = data[n];
@@ -121,9 +123,8 @@ static int fl512_ao_insn_readback(struct comedi_device *dev,
 	int n;
 	int chan = CR_CHAN(insn->chanspec);
 
-	for (n = 0; n < insn->n; n++) {
+	for (n = 0; n < insn->n; n++)
 		data[n] = devpriv->ao_readback[chan];
-	}
 
 	return n;
 }
@@ -134,13 +135,15 @@ static int fl512_ao_insn_readback(struct comedi_device *dev,
 static int fl512_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 {
 	unsigned long iobase;
-	struct comedi_subdevice *s;	/* pointer to the subdevice:
-					   Analog in, Analog out, ( not made ->and Digital IO) */
+
+	/* pointer to the subdevice: Analog in, Analog out,
+	   (not made ->and Digital IO) */
+	struct comedi_subdevice *s;
 
 	iobase = it->options[0];
-	printk("comedi:%d fl512: 0x%04lx", dev->minor, iobase);
+	printk(KERN_INFO "comedi:%d fl512: 0x%04lx", dev->minor, iobase);
 	if (!request_region(iobase, FL512_SIZE, "fl512")) {
-		printk(" I/O port conflict\n");
+		printk(KERN_WARNING " I/O port conflict\n");
 		return -EIO;
 	}
 	dev->iobase = iobase;
@@ -149,7 +152,7 @@ static int fl512_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		return -ENOMEM;
 
 #if DEBUG
-	printk("malloc ok\n");
+	printk(KERN_DEBUG "malloc ok\n");
 #endif
 
 	if (alloc_subdevices(dev, 2) < 0)
@@ -160,24 +163,37 @@ static int fl512_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	 */
 	/* Analog indput */
 	s = dev->subdevices + 0;
-	s->type = COMEDI_SUBD_AI;	/* define subdevice as Analog In   */
-	s->subdev_flags = SDF_READABLE | SDF_GROUND;	/* you can read it from userspace  */
-	s->n_chan = 16;		/* Number of Analog input channels */
-	s->maxdata = 0x0fff;	/* accept only 12 bits of data     */
-	s->range_table = &range_fl512;	/* device use one of the ranges    */
-	s->insn_read = fl512_ai_insn;	/* function to call when read AD   */
-	printk("comedi: fl512: subdevice 0 initialized\n");
+	/* define subdevice as Analog In */
+	s->type = COMEDI_SUBD_AI;
+	/* you can read it from userspace */
+	s->subdev_flags = SDF_READABLE | SDF_GROUND;
+	/* Number of Analog input channels */
+	s->n_chan = 16;
+	/* accept only 12 bits of data */
+	s->maxdata = 0x0fff;
+	/* device use one of the ranges */
+	s->range_table = &range_fl512;
+	/* function to call when read AD */
+	s->insn_read = fl512_ai_insn;
+	printk(KERN_INFO "comedi: fl512: subdevice 0 initialized\n");
 
 	/* Analog output */
 	s = dev->subdevices + 1;
-	s->type = COMEDI_SUBD_AO;	/* define subdevice as Analog OUT   */
-	s->subdev_flags = SDF_WRITABLE;	/* you can write it from userspace  */
-	s->n_chan = 2;		/* Number of Analog output channels */
-	s->maxdata = 0x0fff;	/* accept only 12 bits of data      */
-	s->range_table = &range_fl512;	/* device use one of the ranges     */
-	s->insn_write = fl512_ao_insn;	/* function to call when write DA   */
-	s->insn_read = fl512_ao_insn_readback;	/* function to call when reading DA   */
-	printk("comedi: fl512: subdevice 1 initialized\n");
+	/* define subdevice as Analog OUT */
+	s->type = COMEDI_SUBD_AO;
+	/* you can write it from userspace */
+	s->subdev_flags = SDF_WRITABLE;
+	/* Number of Analog output channels */
+	s->n_chan = 2;
+	/* accept only 12 bits of data */
+	s->maxdata = 0x0fff;
+	/* device use one of the ranges */
+	s->range_table = &range_fl512;
+	/* function to call when write DA */
+	s->insn_write = fl512_ao_insn;
+	/* function to call when reading DA */
+	s->insn_read = fl512_ao_insn_readback;
+	printk(KERN_INFO "comedi: fl512: subdevice 1 initialized\n");
 
 	return 1;
 }
@@ -186,6 +202,6 @@ static int fl512_detach(struct comedi_device *dev)
 {
 	if (dev->iobase)
 		release_region(dev->iobase, FL512_SIZE);
-	printk("comedi%d: fl512: dummy i detach\n", dev->minor);
+	printk(KERN_INFO "comedi%d: fl512: dummy i detach\n", dev->minor);
 	return 0;
 }
diff --git a/drivers/staging/comedi/drivers/jr3_pci.c b/drivers/staging/comedi/drivers/jr3_pci.c
index bd397840dcba..fe5b4953f7ec 100644
--- a/drivers/staging/comedi/drivers/jr3_pci.c
+++ b/drivers/staging/comedi/drivers/jr3_pci.c
@@ -954,6 +954,8 @@ out:
 	return result;
 }
 
+MODULE_FIRMWARE("comedi/jr3pci.idm");
+
 static int jr3_pci_detach(struct comedi_device *dev)
 {
 	int i;
diff --git a/drivers/staging/comedi/drivers/mpc624.c b/drivers/staging/comedi/drivers/mpc624.c
index cb4da2ae8429..12e72c828157 100644
--- a/drivers/staging/comedi/drivers/mpc624.c
+++ b/drivers/staging/comedi/drivers/mpc624.c
@@ -284,7 +284,7 @@ static int mpc624_ai_rinsn(struct comedi_device *dev,
 	outb(insn->chanspec, dev->iobase + MPC624_GNMUXCH);
 /* printk("Channel %d: \n", insn->chanspec); */
 	if (!insn->n) {
-		printk("MPC624: Warning, no data to aquire\n");
+		printk("MPC624: Warning, no data to acquire\n");
 		return 0;
 	}
 
diff --git a/drivers/staging/comedi/drivers/ni_65xx.c b/drivers/staging/comedi/drivers/ni_65xx.c
index bbf75eb6d7f2..c223f76031f6 100644
--- a/drivers/staging/comedi/drivers/ni_65xx.c
+++ b/drivers/staging/comedi/drivers/ni_65xx.c
@@ -26,12 +26,13 @@
 /*
 Driver: ni_65xx
 Description: National Instruments 65xx static dio boards
-Author: Jon Grierson <jd@renko.co.uk>, Frank Mori Hess <fmhess@users.sourceforge.net>
+Author: Jon Grierson <jd@renko.co.uk>,
+	Frank Mori Hess <fmhess@users.sourceforge.net>
 Status: testing
-Devices: [National Instruments] PCI-6509 (ni_65xx), PXI-6509, PCI-6510, PCI-6511,
-  PXI-6511, PCI-6512, PXI-6512, PCI-6513, PXI-6513, PCI-6514, PXI-6514, PCI-6515,
-  PXI-6515, PCI-6516, PCI-6517, PCI-6518, PCI-6519, PCI-6520, PCI-6521, PXI-6521,
-  PCI-6528, PXI-6528
+Devices: [National Instruments] PCI-6509 (ni_65xx), PXI-6509, PCI-6510,
+  PCI-6511, PXI-6511, PCI-6512, PXI-6512, PCI-6513, PXI-6513, PCI-6514,
+  PXI-6514, PCI-6515, PXI-6515, PCI-6516, PCI-6517, PCI-6518, PCI-6519,
+  PCI-6520, PCI-6521, PXI-6521, PCI-6528, PXI-6528
 Updated: Wed Oct 18 08:59:11 EDT 2006
 
 Based on the PCI-6527 driver by ds.
@@ -418,9 +419,10 @@ static int ni_65xx_dio_insn_bits(struct comedi_device *dev,
 		return -EINVAL;
 	base_bitfield_channel = CR_CHAN(insn->chanspec);
 	for (j = 0; j < max_ports_per_bitfield; ++j) {
-		const unsigned port_offset = ni_65xx_port_by_channel(base_bitfield_channel) + j;
+		const unsigned port_offset =
+			ni_65xx_port_by_channel(base_bitfield_channel) + j;
 		const unsigned port =
-		    sprivate(s)->base_port + port_offset;
+			sprivate(s)->base_port + port_offset;
 		unsigned base_port_channel;
 		unsigned port_mask, port_data, port_read_bits;
 		int bitshift;
@@ -463,11 +465,11 @@ static int ni_65xx_dio_insn_bits(struct comedi_device *dev,
 			 * subdevice.) */
 			port_read_bits ^= 0xFF;
 		}
-		if (bitshift > 0) {
+		if (bitshift > 0)
 			port_read_bits <<= bitshift;
-		} else {
+		else
 			port_read_bits >>= -bitshift;
-		}
+
 		read_bits |= port_read_bits;
 	}
 	data[1] = read_bits;
@@ -532,7 +534,8 @@ static int ni_65xx_intr_cmdtest(struct comedi_device *dev,
 	if (err)
 		return 1;
 
-	/* step 2: make sure trigger sources are unique and mutually compatible */
+	/* step 2: make sure trigger sources are unique and mutually
+	compatible */
 
 	if (err)
 		return 2;
@@ -652,7 +655,7 @@ static int ni_65xx_attach(struct comedi_device *dev,
 	unsigned i;
 	int ret;
 
-	printk("comedi%d: ni_65xx:", dev->minor);
+	printk(KERN_INFO "comedi%d: ni_65xx:", dev->minor);
 
 	ret = alloc_private(dev, sizeof(struct ni_65xx_private));
 	if (ret < 0)
@@ -664,15 +667,15 @@ static int ni_65xx_attach(struct comedi_device *dev,
 
 	ret = mite_setup(private(dev)->mite);
 	if (ret < 0) {
-		printk("error setting up mite\n");
+		printk(KERN_WARNING "error setting up mite\n");
 		return ret;
 	}
 
 	dev->board_name = board(dev)->name;
 	dev->irq = mite_irq(private(dev)->mite);
-	printk(" %s", dev->board_name);
+	printk(KERN_INFO " %s", dev->board_name);
 
-	printk(" ID=0x%02x",
+	printk(KERN_INFO " ID=0x%02x",
 	       readb(private(dev)->mite->daq_io_addr + ID_Register));
 
 	ret = alloc_subdevices(dev, 4);
@@ -773,7 +776,7 @@ static int ni_65xx_attach(struct comedi_device *dev,
 			  "ni_65xx", dev);
 	if (ret < 0) {
 		dev->irq = 0;
-		printk(" irq not available");
+		printk(KERN_WARNING " irq not available");
 	}
 
 	printk("\n");
@@ -790,21 +793,17 @@ static int ni_65xx_detach(struct comedi_device *dev)
 		       Master_Interrupt_Control);
 	}
 
-	if (dev->irq) {
+	if (dev->irq)
 		free_irq(dev->irq, dev);
-	}
 
 	if (private(dev)) {
 		unsigned i;
 		for (i = 0; i < dev->n_subdevices; ++i) {
-			if (dev->subdevices[i].private) {
-				kfree(dev->subdevices[i].private);
-				dev->subdevices[i].private = NULL;
-			}
+			kfree(dev->subdevices[i].private);
+			dev->subdevices[i].private = NULL;
 		}
-		if (private(dev)->mite) {
+		if (private(dev)->mite)
 			mite_unsetup(private(dev)->mite);
-		}
 	}
 	return 0;
 }
@@ -830,7 +829,7 @@ static int ni_65xx_find_device(struct comedi_device *dev, int bus, int slot)
 			}
 		}
 	}
-	printk("no device found\n");
+	printk(KERN_WARNING "no device found\n");
 	mite_list_devices();
 	return -EIO;
 }
diff --git a/drivers/staging/comedi/drivers/ni_660x.c b/drivers/staging/comedi/drivers/ni_660x.c
index 404d3c516ed1..017630fb2424 100644
--- a/drivers/staging/comedi/drivers/ni_660x.c
+++ b/drivers/staging/comedi/drivers/ni_660x.c
@@ -52,7 +52,8 @@ enum ni_660x_constants {
 };
 
 #define NUM_PFI_CHANNELS 40
-/* really there are only up to 3 dma channels, but the register layout allows for 4 */
+/* really there are only up to 3 dma channels, but the register layout allows
+for 4 */
 #define MAX_DMA_CHANNEL 4
 
 /* See Register-Level Programmer Manual page 3.1 */
@@ -198,7 +199,7 @@ struct NI_660xRegisterData {
 	const char *name;	/*  Register Name */
 	int offset;		/*  Offset from base address from GPCT chip */
 	enum ni_660x_register_direction direction;
-	enum ni_660x_register_width size;	/*  1 byte, 2 bytes, or 4 bytes */
+	enum ni_660x_register_width size; /* 1 byte, 2 bytes, or 4 bytes */
 };
 
 static const struct NI_660xRegisterData registerData[NumRegisters] = {
@@ -382,8 +383,8 @@ enum global_interrupt_config_register_bits {
 };
 
 /* Offset of the GPCT chips from the base-adress of the card */
-static const unsigned GPCT_OFFSET[2] = { 0x0, 0x800 };	/* First chip is at base-address +
-							   0x00, etc. */
+/* First chip is at base-address + 0x00, etc. */
+static const unsigned GPCT_OFFSET[2] = { 0x0, 0x800 };
 
 /* Board description*/
 struct ni_660x_board {
@@ -691,13 +692,13 @@ static enum NI_660x_Register ni_gpct_to_660x_register(enum ni_gpct_register reg)
 		ni_660x_register = G0StatusRegister;
 		break;
 	case NITIO_G1_Status_Reg:
-		ni_660x_register = G0StatusRegister;
+		ni_660x_register = G1StatusRegister;
 		break;
 	case NITIO_G2_Status_Reg:
-		ni_660x_register = G0StatusRegister;
+		ni_660x_register = G2StatusRegister;
 		break;
 	case NITIO_G3_Status_Reg:
-		ni_660x_register = G0StatusRegister;
+		ni_660x_register = G3StatusRegister;
 		break;
 	case NITIO_G0_Interrupt_Enable_Reg:
 		ni_660x_register = G0InterruptEnable;
@@ -712,7 +713,7 @@ static enum NI_660x_Register ni_gpct_to_660x_register(enum ni_gpct_register reg)
 		ni_660x_register = G3InterruptEnable;
 		break;
 	default:
-		printk("%s: unhandled register 0x%x in switch.\n",
+		printk(KERN_WARNING "%s: unhandled register 0x%x in switch.\n",
 		       __func__, reg);
 		BUG();
 		return 0;
@@ -737,7 +738,7 @@ static inline void ni_660x_write_register(struct comedi_device *dev,
 		writel(bits, write_address);
 		break;
 	default:
-		printk("%s: %s: bug! unhandled case (reg=0x%x) in switch.\n",
+		printk(KERN_WARNING "%s: %s: bug! unhandled case (reg=0x%x) in switch.\n",
 		       __FILE__, __func__, reg);
 		BUG();
 		break;
@@ -760,7 +761,7 @@ static inline unsigned ni_660x_read_register(struct comedi_device *dev,
 		return readl(read_address);
 		break;
 	default:
-		printk("%s: %s: bug! unhandled case (reg=0x%x) in switch.\n",
+		printk(KERN_WARNING "%s: %s: bug! unhandled case (reg=0x%x) in switch.\n",
 		       __FILE__, __func__, reg);
 		BUG();
 		break;
@@ -993,9 +994,9 @@ static int ni_660x_allocate_private(struct comedi_device *dev)
 	spin_lock_init(&private(dev)->mite_channel_lock);
 	spin_lock_init(&private(dev)->interrupt_lock);
 	spin_lock_init(&private(dev)->soft_reg_copy_lock);
-	for (i = 0; i < NUM_PFI_CHANNELS; ++i) {
+	for (i = 0; i < NUM_PFI_CHANNELS; ++i)
 		private(dev)->pfi_output_selects[i] = pfi_output_select_counter;
-	}
+
 	return 0;
 }
 
@@ -1008,9 +1009,8 @@ static int ni_660x_alloc_mite_rings(struct comedi_device *dev)
 		for (j = 0; j < counters_per_chip; ++j) {
 			private(dev)->mite_rings[i][j] =
 			    mite_alloc_ring(private(dev)->mite);
-			if (private(dev)->mite_rings[i][j] == NULL) {
+			if (private(dev)->mite_rings[i][j] == NULL)
 				return -ENOMEM;
-			}
 		}
 	}
 	return 0;
@@ -1022,9 +1022,8 @@ static void ni_660x_free_mite_rings(struct comedi_device *dev)
 	unsigned j;
 
 	for (i = 0; i < board(dev)->n_chips; ++i) {
-		for (j = 0; j < counters_per_chip; ++j) {
+		for (j = 0; j < counters_per_chip; ++j)
 			mite_free_ring(private(dev)->mite_rings[i][j]);
-		}
 	}
 }
 
@@ -1036,7 +1035,7 @@ static int ni_660x_attach(struct comedi_device *dev,
 	unsigned i;
 	unsigned global_interrupt_config_bits;
 
-	printk("comedi%d: ni_660x: ", dev->minor);
+	printk(KERN_INFO "comedi%d: ni_660x: ", dev->minor);
 
 	ret = ni_660x_allocate_private(dev);
 	if (ret < 0)
@@ -1049,7 +1048,7 @@ static int ni_660x_attach(struct comedi_device *dev,
 
 	ret = mite_setup2(private(dev)->mite, 1);
 	if (ret < 0) {
-		printk("error setting up mite\n");
+		printk(KERN_WARNING "error setting up mite\n");
 		return ret;
 	}
 	comedi_set_hw_dev(dev, &private(dev)->mite->pcidev->dev);
@@ -1057,7 +1056,7 @@ static int ni_660x_attach(struct comedi_device *dev,
 	if (ret < 0)
 		return ret;
 
-	printk(" %s ", dev->board_name);
+	printk(KERN_INFO " %s ", dev->board_name);
 
 	dev->n_subdevices = 2 + NI_660X_MAX_NUM_COUNTERS;
 
@@ -1078,15 +1077,16 @@ static int ni_660x_attach(struct comedi_device *dev,
 	s->insn_bits = ni_660x_dio_insn_bits;
 	s->insn_config = ni_660x_dio_insn_config;
 	s->io_bits = 0;		/* all bits default to input */
-	/*  we use the ioconfig registers to control dio direction, so zero output enables in stc dio control reg */
+	/*  we use the ioconfig registers to control dio direction, so zero
+	output enables in stc dio control reg */
 	ni_660x_write_register(dev, 0, 0, STCDIOControl);
 
 	private(dev)->counter_dev = ni_gpct_device_construct(dev,
-							     &ni_gpct_write_register,
-							     &ni_gpct_read_register,
-							     ni_gpct_variant_660x,
-							     ni_660x_num_counters
-							     (dev));
+						     &ni_gpct_write_register,
+						     &ni_gpct_read_register,
+						     ni_gpct_variant_660x,
+						     ni_660x_num_counters
+						     (dev));
 	if (private(dev)->counter_dev == NULL)
 		return -ENOMEM;
 	for (i = 0; i < NI_660X_MAX_NUM_COUNTERS; ++i) {
@@ -1118,12 +1118,12 @@ static int ni_660x_attach(struct comedi_device *dev,
 			s->type = COMEDI_SUBD_UNUSED;
 		}
 	}
-	for (i = 0; i < board(dev)->n_chips; ++i) {
+	for (i = 0; i < board(dev)->n_chips; ++i)
 		init_tio_chip(dev, i);
-	}
-	for (i = 0; i < ni_660x_num_counters(dev); ++i) {
+
+	for (i = 0; i < ni_660x_num_counters(dev); ++i)
 		ni_tio_init_counter(&private(dev)->counter_dev->counters[i]);
-	}
+
 	for (i = 0; i < NUM_PFI_CHANNELS; ++i) {
 		if (i < min_counter_pfi_chan)
 			ni_660x_set_pfi_routing(dev, i, pfi_output_select_do);
@@ -1134,13 +1134,13 @@ static int ni_660x_attach(struct comedi_device *dev,
 	}
 	/* to be safe, set counterswap bits on tio chips after all the counter
 	   outputs have been set to high impedance mode */
-	for (i = 0; i < board(dev)->n_chips; ++i) {
+	for (i = 0; i < board(dev)->n_chips; ++i)
 		set_tio_counterswap(dev, i);
-	}
+
 	ret = request_irq(mite_irq(private(dev)->mite), ni_660x_interrupt,
 			  IRQF_SHARED, "ni_660x", dev);
 	if (ret < 0) {
-		printk(" irq not available\n");
+		printk(KERN_WARNING " irq not available\n");
 		return ret;
 	}
 	dev->irq = mite_irq(private(dev)->mite);
@@ -1149,13 +1149,13 @@ static int ni_660x_attach(struct comedi_device *dev,
 		global_interrupt_config_bits |= Cascade_Int_Enable_Bit;
 	ni_660x_write_register(dev, 0, global_interrupt_config_bits,
 			       GlobalInterruptConfigRegister);
-	printk("attached\n");
+	printk(KERN_INFO "attached\n");
 	return 0;
 }
 
 static int ni_660x_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: ni_660x: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: ni_660x: remove\n", dev->minor);
 
 	/* Free irq */
 	if (dev->irq)
@@ -1193,9 +1193,8 @@ static void init_tio_chip(struct comedi_device *dev, int chipset)
 			       private(dev)->
 			       dma_configuration_soft_copies[chipset],
 			       DMAConfigRegister);
-	for (i = 0; i < NUM_PFI_CHANNELS; ++i) {
+	for (i = 0; i < NUM_PFI_CHANNELS; ++i)
 		ni_660x_write_register(dev, chipset, 0, IOConfigReg(i));
-	}
 }
 
 static int
@@ -1234,7 +1233,7 @@ static int ni_660x_find_device(struct comedi_device *dev, int bus, int slot)
 			}
 		}
 	}
-	printk("no device found\n");
+	printk(KERN_WARNING "no device found\n");
 	mite_list_devices();
 	return -EIO;
 }
diff --git a/drivers/staging/comedi/drivers/ni_670x.c b/drivers/staging/comedi/drivers/ni_670x.c
index 9b43547e80a1..1e792d592f73 100644
--- a/drivers/staging/comedi/drivers/ni_670x.c
+++ b/drivers/staging/comedi/drivers/ni_670x.c
@@ -93,7 +93,7 @@ static DEFINE_PCI_DEVICE_TABLE(ni_670x_pci_table) = {
 	{
 	PCI_VENDOR_ID_NATINST, 0x2c90, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
 	PCI_VENDOR_ID_NATINST, 0x1920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
-	    /* { PCI_VENDOR_ID_NATINST, 0x0000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, */
+	/*{ PCI_VENDOR_ID_NATINST, 0x0000, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },*/
 	{
 	0}
 };
@@ -151,7 +151,7 @@ static int ni_670x_attach(struct comedi_device *dev,
 	int ret;
 	int i;
 
-	printk("comedi%d: ni_670x: ", dev->minor);
+	printk(KERN_INFO "comedi%d: ni_670x: ", dev->minor);
 
 	ret = alloc_private(dev, sizeof(struct ni_670x_private));
 	if (ret < 0)
@@ -163,12 +163,12 @@ static int ni_670x_attach(struct comedi_device *dev,
 
 	ret = mite_setup(devpriv->mite);
 	if (ret < 0) {
-		printk("error setting up mite\n");
+		printk(KERN_WARNING "error setting up mite\n");
 		return ret;
 	}
 	dev->board_name = thisboard->name;
 	dev->irq = mite_irq(devpriv->mite);
-	printk(" %s", dev->board_name);
+	printk(KERN_INFO " %s", dev->board_name);
 
 	if (alloc_subdevices(dev, 2) < 0)
 		return -ENOMEM;
@@ -207,21 +207,22 @@ static int ni_670x_attach(struct comedi_device *dev,
 	s->insn_bits = ni_670x_dio_insn_bits;
 	s->insn_config = ni_670x_dio_insn_config;
 
-	writel(0x10, devpriv->mite->daq_io_addr + MISC_CONTROL_OFFSET);	/* Config of misc registers */
-	writel(0x00, devpriv->mite->daq_io_addr + AO_CONTROL_OFFSET);	/* Config of ao registers */
+	/* Config of misc registers */
+	writel(0x10, devpriv->mite->daq_io_addr + MISC_CONTROL_OFFSET);
+	/* Config of ao registers */
+	writel(0x00, devpriv->mite->daq_io_addr + AO_CONTROL_OFFSET);
 
-	printk("attached\n");
+	printk(KERN_INFO "attached\n");
 
 	return 1;
 }
 
 static int ni_670x_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: ni_670x: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: ni_670x: remove\n", dev->minor);
+
+	kfree(dev->subdevices[0].range_table_list);
 
-	if (dev->subdevices[0].range_table_list) {
-		kfree(dev->subdevices[0].range_table_list);
-	}
 	if (dev->private && devpriv->mite)
 		mite_unsetup(devpriv->mite);
 
@@ -250,8 +251,11 @@ static int ni_670x_ao_winsn(struct comedi_device *dev,
 	   vch(15)      :       30      | ich(31)       :       31      */
 
 	for (i = 0; i < insn->n; i++) {
-		writel(((chan & 15) << 1) | ((chan & 16) >> 4), devpriv->mite->daq_io_addr + AO_CHAN_OFFSET);	/* First write in channel register which channel to use */
-		writel(data[i], devpriv->mite->daq_io_addr + AO_VALUE_OFFSET);	/* write channel value */
+		/* First write in channel register which channel to use */
+		writel(((chan & 15) << 1) | ((chan & 16) >> 4),
+		       devpriv->mite->daq_io_addr + AO_CHAN_OFFSET);
+		/* write channel value */
+		writel(data[i], devpriv->mite->daq_io_addr + AO_VALUE_OFFSET);
 		devpriv->ao_readback[chan] = data[i];
 	}
 
@@ -344,7 +348,7 @@ static int ni_670x_find_device(struct comedi_device *dev, int bus, int slot)
 			}
 		}
 	}
-	printk("no device found\n");
+	printk(KERN_INFO "no device found\n");
 	mite_list_devices();
 	return -EIO;
 }
diff --git a/drivers/staging/comedi/drivers/ni_atmio.c b/drivers/staging/comedi/drivers/ni_atmio.c
index 8ead31164d5c..003d00b595b0 100644
--- a/drivers/staging/comedi/drivers/ni_atmio.c
+++ b/drivers/staging/comedi/drivers/ni_atmio.c
@@ -329,11 +329,11 @@ static uint16_t ni_atmio_win_in(struct comedi_device *dev, int addr)
 }
 
 static struct pnp_device_id device_ids[] = {
-	{.id = "NIC1900",.driver_data = 0},
-	{.id = "NIC2400",.driver_data = 0},
-	{.id = "NIC2500",.driver_data = 0},
-	{.id = "NIC2600",.driver_data = 0},
-	{.id = "NIC2700",.driver_data = 0},
+	{.id = "NIC1900", .driver_data = 0},
+	{.id = "NIC2400", .driver_data = 0},
+	{.id = "NIC2500", .driver_data = 0},
+	{.id = "NIC2600", .driver_data = 0},
+	{.id = "NIC2700", .driver_data = 0},
 	{.id = ""}
 };
 
@@ -362,9 +362,9 @@ static int ni_atmio_detach(struct comedi_device *dev)
 
 	if (dev->iobase)
 		release_region(dev->iobase, NI_SIZE);
-	if (dev->irq) {
+	if (dev->irq)
 		free_irq(dev->irq, dev);
-	}
+
 	if (devpriv->isapnp_dev)
 		pnp_device_detach(devpriv->isapnp_dev);
 
@@ -387,8 +387,8 @@ static int ni_isapnp_find_board(struct pnp_dev **dev)
 
 		if (pnp_device_attach(isapnp_dev) < 0) {
 			printk
-			    ("ni_atmio: %s found but already active, skipping.\n",
-			     ni_boards[i].name);
+			 ("ni_atmio: %s found but already active, skipping.\n",
+			  ni_boards[i].name);
 			continue;
 		}
 		if (pnp_activate_dev(isapnp_dev) < 0) {
@@ -496,9 +496,9 @@ static int ni_atmio_attach(struct comedi_device *dev,
 	/* generic E series stuff in ni_mio_common.c */
 
 	ret = ni_E_init(dev, it);
-	if (ret < 0) {
+	if (ret < 0)
 		return ret;
-	}
+
 
 	return 0;
 }
@@ -509,16 +509,16 @@ static int ni_getboardtype(struct comedi_device *dev)
 	int i;
 
 	for (i = 0; i < n_ni_boards; i++) {
-		if (ni_boards[i].device_id == device_id) {
+		if (ni_boards[i].device_id == device_id)
 			return i;
-		}
+
 	}
-	if (device_id == 255) {
+	if (device_id == 255)
 		printk(" can't find board\n");
-	} else if (device_id == 0) {
+	 else if (device_id == 0)
 		printk(" EEPROM read error (?) or device not found\n");
-	} else {
+	 else
 		printk(" unknown device ID %d -- contact author\n", device_id);
-	}
+
 	return -1;
 }
diff --git a/drivers/staging/comedi/drivers/ni_daq_700.c b/drivers/staging/comedi/drivers/ni_daq_700.c
index ef5e1183d47d..c9b0395a6103 100644
--- a/drivers/staging/comedi/drivers/ni_daq_700.c
+++ b/drivers/staging/comedi/drivers/ni_daq_700.c
@@ -76,13 +76,15 @@ struct dio700_board {
 static const struct dio700_board dio700_boards[] = {
 	{
 	 .name = "daqcard-700",
-	 .device_id = 0x4743,	/*  0x10b is manufacturer id, 0x4743 is device id */
+	  /*  0x10b is manufacturer id, 0x4743 is device id */
+	 .device_id = 0x4743,
 	 .bustype = pcmcia_bustype,
 	 .have_dio = 1,
 	 },
 	{
 	 .name = "ni_daq_700",
-	 .device_id = 0x4743,	/*  0x10b is manufacturer id, 0x4743 is device id */
+	  /*  0x10b is manufacturer id, 0x4743 is device id */
+	 .device_id = 0x4743,
 	 .bustype = pcmcia_bustype,
 	 .have_dio = 1,
 	 },
@@ -309,11 +311,11 @@ int subdev_700_init(struct comedi_device *dev, struct comedi_subdevice *s,
 		return -ENOMEM;
 
 	CALLBACK_ARG = arg;
-	if (cb == NULL) {
+	if (cb == NULL)
 		CALLBACK_FUNC = subdev_700_cb;
-	} else {
+	 else
 		CALLBACK_FUNC = cb;
-	}
+
 	s->insn_bits = subdev_700_insn;
 	s->insn_config = subdev_700_insn_config;
 
@@ -345,12 +347,10 @@ int subdev_700_init_irq(struct comedi_device *dev, struct comedi_subdevice *s,
 
 void subdev_700_cleanup(struct comedi_device *dev, struct comedi_subdevice *s)
 {
-	if (s->private) {
-		if (subdevpriv->have_irq) {
-		}
+	if (s->private)
+		if (subdevpriv->have_irq)
 
-		kfree(s->private);
-	}
+			kfree(s->private);
 }
 
 EXPORT_SYMBOL(subdev_700_init);
@@ -390,9 +390,9 @@ static int dio700_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	printk("comedi%d: ni_daq_700: %s, io 0x%lx", dev->minor,
 	       thisboard->name, iobase);
 #ifdef incomplete
-	if (irq) {
+	if (irq)
 		printk(", irq %u", irq);
-	}
+
 #endif
 
 	printk("\n");
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index dc3f398cb3ed..3c88caaa9dab 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -90,8 +90,10 @@ NI manuals:
 
 #define DRV_NAME "ni_labpc"
 
-#define LABPC_SIZE           32	/*  size of io region used by board */
-#define LABPC_TIMER_BASE            500	/*  2 MHz master clock */
+/* size of io region used by board */
+#define LABPC_SIZE           32
+/* 2 MHz master clock */
+#define LABPC_TIMER_BASE            500
 
 /* Registers for the lab-pc+ */
 
@@ -99,69 +101,110 @@ NI manuals:
 #define COMMAND1_REG	0x0
 #define   ADC_GAIN_MASK	(0x7 << 4)
 #define   ADC_CHAN_BITS(x)	((x) & 0x7)
-#define   ADC_SCAN_EN_BIT	0x80	/*  enables multi channel scans */
+/* enables multi channel scans */
+#define   ADC_SCAN_EN_BIT	0x80
 #define COMMAND2_REG	0x1
-#define   PRETRIG_BIT	0x1	/*  enable pretriggering (used in conjunction with SWTRIG) */
-#define   HWTRIG_BIT	0x2	/*  enable paced conversions on external trigger */
-#define   SWTRIG_BIT	0x4	/*  enable paced conversions */
-#define   CASCADE_BIT	0x8	/*  use two cascaded counters for pacing */
+/* enable pretriggering (used in conjunction with SWTRIG) */
+#define   PRETRIG_BIT	0x1
+/* enable paced conversions on external trigger */
+#define   HWTRIG_BIT	0x2
+/* enable paced conversions */
+#define   SWTRIG_BIT	0x4
+/* use two cascaded counters for pacing */
+#define   CASCADE_BIT	0x8
 #define   DAC_PACED_BIT(channel)	(0x40 << ((channel) & 0x1))
 #define COMMAND3_REG	0x2
-#define   DMA_EN_BIT	0x1	/*  enable dma transfers */
-#define   DIO_INTR_EN_BIT	0x2	/*  enable interrupts for 8255 */
-#define   DMATC_INTR_EN_BIT	0x4	/*  enable dma terminal count interrupt */
-#define   TIMER_INTR_EN_BIT	0x8	/*  enable timer interrupt */
-#define   ERR_INTR_EN_BIT	0x10	/*  enable error interrupt */
-#define   ADC_FNE_INTR_EN_BIT	0x20	/*  enable fifo not empty interrupt */
+/* enable dma transfers */
+#define   DMA_EN_BIT	0x1
+/* enable interrupts for 8255 */
+#define   DIO_INTR_EN_BIT	0x2
+/* enable dma terminal count interrupt */
+#define   DMATC_INTR_EN_BIT	0x4
+/* enable timer interrupt */
+#define   TIMER_INTR_EN_BIT	0x8
+/* enable error interrupt */
+#define   ERR_INTR_EN_BIT	0x10
+/* enable fifo not empty interrupt */
+#define   ADC_FNE_INTR_EN_BIT	0x20
 #define ADC_CONVERT_REG	0x3
 #define DAC_LSB_REG(channel)	(0x4 + 2 * ((channel) & 0x1))
 #define DAC_MSB_REG(channel)	(0x5 + 2 * ((channel) & 0x1))
 #define ADC_CLEAR_REG	0x8
 #define DMATC_CLEAR_REG	0xa
 #define TIMER_CLEAR_REG	0xc
-#define COMMAND6_REG	0xe	/*  1200 boards only */
-#define   ADC_COMMON_BIT	0x1	/*  select ground or common-mode reference */
-#define   ADC_UNIP_BIT	0x2	/*  adc unipolar */
-#define   DAC_UNIP_BIT(channel)	(0x4 << ((channel) & 0x1))	/*  dac unipolar */
-#define   ADC_FHF_INTR_EN_BIT	0x20	/*  enable fifo half full interrupt */
-#define   A1_INTR_EN_BIT	0x40	/*  enable interrupt on end of hardware count */
-#define   ADC_SCAN_UP_BIT 0x80	/*  scan up from channel zero instead of down to zero */
+/* 1200 boards only */
+#define COMMAND6_REG	0xe
+/* select ground or common-mode reference */
+#define   ADC_COMMON_BIT	0x1
+/*  adc unipolar */
+#define   ADC_UNIP_BIT	0x2
+/*  dac unipolar */
+#define   DAC_UNIP_BIT(channel)	(0x4 << ((channel) & 0x1))
+/* enable fifo half full interrupt */
+#define   ADC_FHF_INTR_EN_BIT	0x20
+/* enable interrupt on end of hardware count */
+#define   A1_INTR_EN_BIT	0x40
+/* scan up from channel zero instead of down to zero */
+#define   ADC_SCAN_UP_BIT 0x80
 #define COMMAND4_REG	0xf
-#define   INTERVAL_SCAN_EN_BIT	0x1	/*  enables 'interval' scanning */
-#define   EXT_SCAN_EN_BIT	0x2	/*  enables external signal on counter b1 output to trigger scan */
-#define   EXT_CONVERT_OUT_BIT	0x4	/*  chooses direction (output or input) for EXTCONV* line */
-#define   ADC_DIFF_BIT	0x8	/*  chooses differential inputs for adc (in conjunction with board jumper) */
+/* enables 'interval' scanning */
+#define   INTERVAL_SCAN_EN_BIT	0x1
+/* enables external signal on counter b1 output to trigger scan */
+#define   EXT_SCAN_EN_BIT	0x2
+/* chooses direction (output or input) for EXTCONV* line */
+#define   EXT_CONVERT_OUT_BIT	0x4
+/* chooses differential inputs for adc (in conjunction with board jumper) */
+#define   ADC_DIFF_BIT	0x8
 #define   EXT_CONVERT_DISABLE_BIT	0x10
-#define COMMAND5_REG	0x1c	/*  1200 boards only, calibration stuff */
-#define   EEPROM_WRITE_UNPROTECT_BIT	0x4	/*  enable eeprom for write */
-#define   DITHER_EN_BIT	0x8	/*  enable dithering */
-#define   CALDAC_LOAD_BIT	0x10	/*  load calibration dac */
-#define   SCLOCK_BIT	0x20	/*  serial clock - rising edge writes, falling edge reads */
-#define   SDATA_BIT	0x40	/*  serial data bit for writing to eeprom or calibration dacs */
-#define   EEPROM_EN_BIT	0x80	/*  enable eeprom for read/write */
+/* 1200 boards only, calibration stuff */
+#define COMMAND5_REG	0x1c
+/* enable eeprom for write */
+#define   EEPROM_WRITE_UNPROTECT_BIT	0x4
+/* enable dithering */
+#define   DITHER_EN_BIT	0x8
+/* load calibration dac */
+#define   CALDAC_LOAD_BIT	0x10
+/* serial clock - rising edge writes, falling edge reads */
+#define   SCLOCK_BIT	0x20
+/* serial data bit for writing to eeprom or calibration dacs */
+#define   SDATA_BIT	0x40
+/* enable eeprom for read/write */
+#define   EEPROM_EN_BIT	0x80
 #define INTERVAL_COUNT_REG	0x1e
 #define INTERVAL_LOAD_REG	0x1f
 #define   INTERVAL_LOAD_BITS	0x1
 
 /* read-only registers */
 #define STATUS1_REG	0x0
-#define   DATA_AVAIL_BIT	0x1	/*  data is available in fifo */
-#define   OVERRUN_BIT	0x2	/*  overrun has occurred */
-#define   OVERFLOW_BIT	0x4	/*  fifo overflow */
-#define   TIMER_BIT	0x8	/*  timer interrupt has occured */
-#define   DMATC_BIT	0x10	/*  dma terminal count has occured */
-#define   EXT_TRIG_BIT	0x40	/*  external trigger has occured */
-#define STATUS2_REG	0x1d	/*  1200 boards only */
-#define   EEPROM_OUT_BIT	0x1	/*  programmable eeprom serial output */
-#define   A1_TC_BIT	0x2	/*  counter A1 terminal count */
-#define   FNHF_BIT	0x4	/*  fifo not half full */
+/* data is available in fifo */
+#define   DATA_AVAIL_BIT	0x1
+/* overrun has occurred */
+#define   OVERRUN_BIT	0x2
+/* fifo overflow */
+#define   OVERFLOW_BIT	0x4
+/* timer interrupt has occured */
+#define   TIMER_BIT	0x8
+/* dma terminal count has occured */
+#define   DMATC_BIT	0x10
+/* external trigger has occured */
+#define   EXT_TRIG_BIT	0x40
+/* 1200 boards only */
+#define STATUS2_REG	0x1d
+/* programmable eeprom serial output */
+#define   EEPROM_OUT_BIT	0x1
+/* counter A1 terminal count */
+#define   A1_TC_BIT	0x2
+/* fifo not half full */
+#define   FNHF_BIT	0x4
 #define ADC_FIFO_REG	0xa
 
 #define DIO_BASE_REG	0x10
 #define COUNTER_A_BASE_REG	0x14
 #define COUNTER_A_CONTROL_REG	(COUNTER_A_BASE_REG + 0x3)
-#define   INIT_A0_BITS	0x14	/*  check modes put conversion pacer output in harmless state (a0 mode 2) */
-#define   INIT_A1_BITS	0x70	/*  put hardware conversion counter output in harmless state (a1 mode 0) */
+/* check modes put conversion pacer output in harmless state (a0 mode 2) */
+#define   INIT_A0_BITS	0x14
+/* put hardware conversion counter output in harmless state (a1 mode 0) */
+#define   INIT_A1_BITS	0x70
 #define COUNTER_B_BASE_REG	0x18
 
 static int labpc_attach(struct comedi_device *dev, struct comedi_devconfig *it);
@@ -423,7 +466,7 @@ static const struct labpc_board_struct labpc_boards[] = {
 	 .ai_scan_up = 1,
 	 .memory_mapped_io = 1,
 	 },
-	/*  dummy entry so pci board works when comedi_config is passed driver name */
+/* dummy entry so pci board works when comedi_config is passed driver name */
 	{
 	 .name = DRV_NAME,
 	 .bustype = pci_bustype,
@@ -436,8 +479,10 @@ static const struct labpc_board_struct labpc_boards[] = {
  */
 #define thisboard ((struct labpc_board_struct *)dev->board_ptr)
 
-static const int dma_buffer_size = 0xff00;	/*  size in bytes of dma buffer */
-static const int sample_size = 2;	/*  2 bytes per sample */
+/* size in bytes of dma buffer */
+static const int dma_buffer_size = 0xff00;
+/* 2 bytes per sample */
+static const int sample_size = 2;
 
 #define devpriv ((struct labpc_private *)dev->private)
 
@@ -483,12 +528,10 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
 
 	printk("comedi%d: ni_labpc: %s, io 0x%lx", dev->minor, thisboard->name,
 	       iobase);
-	if (irq) {
+	if (irq)
 		printk(", irq %u", irq);
-	}
-	if (dma_chan) {
+	if (dma_chan)
 		printk(", dma %u", dma_chan);
-	}
 	printk("\n");
 
 	if (iobase == 0) {
@@ -513,7 +556,7 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
 		devpriv->read_byte = labpc_inb;
 		devpriv->write_byte = labpc_outb;
 	}
-	/*  initialize board's command registers */
+	/* initialize board's command registers */
 	devpriv->write_byte(devpriv->command1_bits, dev->iobase + COMMAND1_REG);
 	devpriv->write_byte(devpriv->command2_bits, dev->iobase + COMMAND2_REG);
 	devpriv->write_byte(devpriv->command3_bits, dev->iobase + COMMAND3_REG);
@@ -538,12 +581,12 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
 	}
 	dev->irq = irq;
 
-	/*  grab dma channel */
+	/* grab dma channel */
 	if (dma_chan > 3) {
 		printk(" invalid dma channel %u\n", dma_chan);
 		return -EINVAL;
 	} else if (dma_chan) {
-		/*  allocate dma buffer */
+		/* allocate dma buffer */
 		devpriv->dma_buffer =
 		    kmalloc(dma_buffer_size, GFP_KERNEL | GFP_DMA);
 		if (devpriv->dma_buffer == NULL) {
@@ -575,7 +618,7 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
 	    SDF_READABLE | SDF_GROUND | SDF_COMMON | SDF_DIFF | SDF_CMD_READ;
 	s->n_chan = 8;
 	s->len_chanlist = 8;
-	s->maxdata = (1 << 12) - 1;	/*  12 bit resolution */
+	s->maxdata = (1 << 12) - 1;	/* 12 bit resolution */
 	s->range_table = thisboard->ai_range_table;
 	s->do_cmd = labpc_ai_cmd;
 	s->do_cmdtest = labpc_ai_cmdtest;
@@ -585,8 +628,11 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
 	/* analog output */
 	s = dev->subdevices + 1;
 	if (thisboard->has_ao) {
-/* Could provide command support, except it only has a one sample
- * hardware buffer for analog output and no underrun flag. */
+		/*
+		 * Could provide command support, except it only has a
+		 * one sample hardware buffer for analog output and no
+		 * underrun flag.
+		 */
 		s->type = COMEDI_SUBD_AO;
 		s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_GROUND;
 		s->n_chan = NUM_AO_CHAN;
@@ -608,7 +654,8 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
 
 	/* 8255 dio */
 	s = dev->subdevices + 2;
-	/*  if board uses io memory we have to give a custom callback function to the 8255 driver */
+	/*  if board uses io memory we have to give a custom callback
+	 * function to the 8255 driver */
 	if (thisboard->memory_mapped_io)
 		subdev_8255_init(dev, s, labpc_dio_mem_callback,
 				 (unsigned long)(dev->iobase + DIO_BASE_REG));
@@ -640,14 +687,12 @@ int labpc_common_attach(struct comedi_device *dev, unsigned long iobase,
 		s->insn_read = labpc_eeprom_read_insn;
 		s->insn_write = labpc_eeprom_write_insn;
 
-		for (i = 0; i < EEPROM_SIZE; i++) {
+		for (i = 0; i < EEPROM_SIZE; i++)
 			devpriv->eeprom_data[i] = labpc_eeprom_read(dev, i);
-		}
 #ifdef LABPC_DEBUG
 		printk(" eeprom:");
-		for (i = 0; i < EEPROM_SIZE; i++) {
+		for (i = 0; i < EEPROM_SIZE; i++)
 			printk(" %i:0x%x ", i, devpriv->eeprom_data[i]);
-		}
 		printk("\n");
 #endif
 	} else
@@ -669,7 +714,7 @@ static int labpc_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	if (alloc_private(dev, sizeof(struct labpc_private)) < 0)
 		return -ENOMEM;
 
-	/*  get base address, irq etc. based on bustype */
+	/* get base address, irq etc. based on bustype */
 	switch (thisboard->bustype) {
 	case isa_bustype:
 		iobase = it->options[0];
@@ -679,9 +724,8 @@ static int labpc_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	case pci_bustype:
 #ifdef CONFIG_COMEDI_PCI
 		retval = labpc_find_device(dev, it->options[0], it->options[1]);
-		if (retval < 0) {
+		if (retval < 0)
 			return retval;
-		}
 		retval = mite_setup(devpriv->mite);
 		if (retval < 0)
 			return retval;
@@ -715,7 +759,7 @@ static int labpc_find_device(struct comedi_device *dev, int bus, int slot)
 	for (mite = mite_devices; mite; mite = mite->next) {
 		if (mite->used)
 			continue;
-		/*  if bus/slot are specified then make sure we have the right bus/slot */
+/* if bus/slot are specified then make sure we have the right bus/slot */
 		if (bus || slot) {
 			if (bus != mite->pcidev->bus->number
 			    || slot != PCI_SLOT(mite->pcidev->devfn))
@@ -726,7 +770,7 @@ static int labpc_find_device(struct comedi_device *dev, int bus, int slot)
 				continue;
 			if (mite_device_id(mite) == labpc_boards[i].device_id) {
 				devpriv->mite = mite;
-				/*  fixup board pointer, in case we were using the dummy "ni_labpc" entry */
+/* fixup board pointer, in case we were using the dummy "ni_labpc" entry */
 				dev->board_ptr = &labpc_boards[i];
 				return 0;
 			}
@@ -994,7 +1038,7 @@ static int labpc_ai_cmdtest(struct comedi_device *dev,
 	    cmd->stop_src != TRIG_EXT && cmd->stop_src != TRIG_NONE)
 		err++;
 
-	/*  can't have external stop and start triggers at once */
+	/* can't have external stop and start triggers at once */
 	if (cmd->start_src == TRIG_EXT && cmd->stop_src == TRIG_EXT)
 		err++;
 
@@ -1008,9 +1052,9 @@ static int labpc_ai_cmdtest(struct comedi_device *dev,
 		err++;
 	}
 
-	if (!cmd->chanlist_len) {
+	if (!cmd->chanlist_len)
 		err++;
-	}
+
 	if (cmd->scan_end_arg != cmd->chanlist_len) {
 		cmd->scan_end_arg = cmd->chanlist_len;
 		err++;
@@ -1022,7 +1066,7 @@ static int labpc_ai_cmdtest(struct comedi_device *dev,
 			err++;
 		}
 	}
-	/*  make sure scan timing is not too fast */
+	/* make sure scan timing is not too fast */
 	if (cmd->scan_begin_src == TRIG_TIMER) {
 		if (cmd->convert_src == TRIG_TIMER &&
 		    cmd->scan_begin_arg <
@@ -1038,7 +1082,7 @@ static int labpc_ai_cmdtest(struct comedi_device *dev,
 			err++;
 		}
 	}
-	/*  stop source */
+	/* stop source */
 	switch (cmd->stop_src) {
 	case TRIG_COUNT:
 		if (!cmd->stop_arg) {
@@ -1095,7 +1139,7 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	range = CR_RANGE(cmd->chanlist[0]);
 	aref = CR_AREF(cmd->chanlist[0]);
 
-	/*  make sure board is disabled before setting up aquisition */
+	/* make sure board is disabled before setting up aquisition */
 	spin_lock_irqsave(&dev->spinlock, flags);
 	devpriv->command2_bits &= ~SWTRIG_BIT & ~HWTRIG_BIT & ~PRETRIG_BIT;
 	devpriv->write_byte(devpriv->command2_bits, dev->iobase + COMMAND2_REG);
@@ -1105,9 +1149,9 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	devpriv->write_byte(devpriv->command3_bits, dev->iobase + COMMAND3_REG);
 
 	/*  initialize software conversion count */
-	if (cmd->stop_src == TRIG_COUNT) {
+	if (cmd->stop_src == TRIG_COUNT)
 		devpriv->count = cmd->stop_arg * cmd->chanlist_len;
-	}
+
 	/*  setup hardware conversion counter */
 	if (cmd->stop_src == TRIG_EXT) {
 		/*  load counter a1 with count of 3 (pc+ manual says this is minimum allowed) using mode 0 */
@@ -1176,17 +1220,18 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 		channel = CR_CHAN(cmd->chanlist[cmd->chanlist_len - 1]);
 	else
 		channel = CR_CHAN(cmd->chanlist[0]);
-	/*  munge channel bits for differential / scan disabled mode */
+	/* munge channel bits for differential / scan disabled mode */
 	if (labpc_ai_scan_mode(cmd) != MODE_SINGLE_CHAN && aref == AREF_DIFF)
 		channel *= 2;
 	devpriv->command1_bits |= ADC_CHAN_BITS(channel);
 	devpriv->command1_bits |= thisboard->ai_range_code[range];
 	devpriv->write_byte(devpriv->command1_bits, dev->iobase + COMMAND1_REG);
-	/*  manual says to set scan enable bit on second pass */
+	/* manual says to set scan enable bit on second pass */
 	if (labpc_ai_scan_mode(cmd) == MODE_MULT_CHAN_UP ||
 	    labpc_ai_scan_mode(cmd) == MODE_MULT_CHAN_DOWN) {
 		devpriv->command1_bits |= ADC_SCAN_EN_BIT;
-		/* need a brief delay before enabling scan, or scan list will get screwed when you switch
+		/* need a brief delay before enabling scan, or scan
+		 * list will get screwed when you switch
 		 * between scan up to scan down mode - dunno why */
 		udelay(1);
 		devpriv->write_byte(devpriv->command1_bits,
@@ -1338,7 +1383,7 @@ static irqreturn_t labpc_interrupt(int irq, void *d)
 	cmd = &async->cmd;
 	async->events = 0;
 
-	/*  read board status */
+	/* read board status */
 	devpriv->status1_bits = devpriv->read_byte(dev->iobase + STATUS1_REG);
 	if (thisboard->register_layout == labpc_1200_layout)
 		devpriv->status2_bits =
@@ -1352,7 +1397,7 @@ static irqreturn_t labpc_interrupt(int irq, void *d)
 	}
 
 	if (devpriv->status1_bits & OVERRUN_BIT) {
-		/*  clear error interrupt */
+		/* clear error interrupt */
 		devpriv->write_byte(0x1, dev->iobase + ADC_CLEAR_REG);
 		async->events |= COMEDI_CB_ERROR | COMEDI_CB_EOA;
 		comedi_event(dev, s);
@@ -1361,7 +1406,10 @@ static irqreturn_t labpc_interrupt(int irq, void *d)
 	}
 
 	if (devpriv->current_transfer == isa_dma_transfer) {
-		/*  if a dma terminal count of external stop trigger has occurred */
+		/*
+		 * if a dma terminal count of external stop trigger
+		 * has occurred
+		 */
 		if (devpriv->status1_bits & DMATC_BIT ||
 		    (thisboard->register_layout == labpc_1200_layout
 		     && devpriv->status2_bits & A1_TC_BIT)) {
@@ -1479,9 +1527,9 @@ static void labpc_drain_dma(struct comedi_device *dev)
 	}
 
 	/* write data to comedi buffer */
-	for (i = 0; i < num_points; i++) {
+	for (i = 0; i < num_points; i++)
 		cfc_write_to_buffer(s, devpriv->dma_buffer[i]);
-	}
+
 	if (async->cmd.stop_src == TRIG_COUNT)
 		devpriv->count -= num_points;
 
@@ -1503,7 +1551,7 @@ static void handle_isa_dma(struct comedi_device *dev)
 	devpriv->write_byte(0x1, dev->iobase + DMATC_CLEAR_REG);
 }
 
-/* makes sure all data aquired by board is transfered to comedi (used
+/* makes sure all data acquired by board is transfered to comedi (used
  * when aquisition is terminated by stop_src == TRIG_EXT). */
 static void labpc_drain_dregs(struct comedi_device *dev)
 {
@@ -1537,41 +1585,41 @@ static int labpc_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
 	chan = CR_CHAN(insn->chanspec);
 	range = CR_RANGE(insn->chanspec);
 	devpriv->command1_bits |= thisboard->ai_range_code[range];
-	/*  munge channel bits for differential/scan disabled mode */
+	/* munge channel bits for differential/scan disabled mode */
 	if (CR_AREF(insn->chanspec) == AREF_DIFF)
 		chan *= 2;
 	devpriv->command1_bits |= ADC_CHAN_BITS(chan);
 	devpriv->write_byte(devpriv->command1_bits, dev->iobase + COMMAND1_REG);
 
-	/*  setup command6 register for 1200 boards */
+	/* setup command6 register for 1200 boards */
 	if (thisboard->register_layout == labpc_1200_layout) {
 		/*  reference inputs to ground or common? */
 		if (CR_AREF(insn->chanspec) != AREF_GROUND)
 			devpriv->command6_bits |= ADC_COMMON_BIT;
 		else
 			devpriv->command6_bits &= ~ADC_COMMON_BIT;
-		/*  bipolar or unipolar range? */
+		/* bipolar or unipolar range? */
 		if (thisboard->ai_range_is_unipolar[range])
 			devpriv->command6_bits |= ADC_UNIP_BIT;
 		else
 			devpriv->command6_bits &= ~ADC_UNIP_BIT;
-		/*  don't interrupt on fifo half full */
+		/* don't interrupt on fifo half full */
 		devpriv->command6_bits &= ~ADC_FHF_INTR_EN_BIT;
-		/*  don't enable interrupt on counter a1 terminal count? */
+		/* don't enable interrupt on counter a1 terminal count? */
 		devpriv->command6_bits &= ~A1_INTR_EN_BIT;
-		/*  write to register */
+		/* write to register */
 		devpriv->write_byte(devpriv->command6_bits,
 				    dev->iobase + COMMAND6_REG);
 	}
-	/*  setup command4 register */
+	/* setup command4 register */
 	devpriv->command4_bits = 0;
 	devpriv->command4_bits |= EXT_CONVERT_DISABLE_BIT;
-	/*  single-ended/differential */
+	/* single-ended/differential */
 	if (CR_AREF(insn->chanspec) == AREF_DIFF)
 		devpriv->command4_bits |= ADC_DIFF_BIT;
 	devpriv->write_byte(devpriv->command4_bits, dev->iobase + COMMAND4_REG);
 
-	/*  initialize pacer counter output to make sure it doesn't cause any problems */
+	/* initialize pacer counter output to make sure it doesn't cause any problems */
 	devpriv->write_byte(INIT_A0_BITS, dev->iobase + COUNTER_A_CONTROL_REG);
 
 	labpc_clear_adc_fifo(dev);
@@ -1608,7 +1656,7 @@ static int labpc_ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s,
 
 	channel = CR_CHAN(insn->chanspec);
 
-	/*  turn off pacing of analog output channel */
+	/* turn off pacing of analog output channel */
 	/* note: hardware bug in daqcard-1200 means pacing cannot
 	 * be independently enabled/disabled for its the two channels */
 	spin_lock_irqsave(&dev->spinlock, flags);
@@ -1616,7 +1664,7 @@ static int labpc_ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s,
 	devpriv->write_byte(devpriv->command2_bits, dev->iobase + COMMAND2_REG);
 	spin_unlock_irqrestore(&dev->spinlock, flags);
 
-	/*  set range */
+	/* set range */
 	if (thisboard->register_layout == labpc_1200_layout) {
 		range = CR_RANGE(insn->chanspec);
 		if (range & AO_RANGE_IS_UNIPOLAR)
@@ -1627,13 +1675,13 @@ static int labpc_ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s,
 		devpriv->write_byte(devpriv->command6_bits,
 				    dev->iobase + COMMAND6_REG);
 	}
-	/*  send data */
+	/* send data */
 	lsb = data[0] & 0xff;
 	msb = (data[0] >> 8) & 0xff;
 	devpriv->write_byte(lsb, dev->iobase + DAC_LSB_REG(channel));
 	devpriv->write_byte(msb, dev->iobase + DAC_MSB_REG(channel));
 
-	/*  remember value for readback */
+	/* remember value for readback */
 	devpriv->ao_value[channel] = data[0];
 
 	return 1;
@@ -1705,14 +1753,14 @@ static unsigned int labpc_suggest_transfer_size(struct comedi_cmd cmd)
 
 	if (cmd.convert_src == TRIG_TIMER)
 		freq = 1000000000 / cmd.convert_arg;
-	/*  return some default value */
+	/* return some default value */
 	else
 		freq = 0xffffffff;
 
-	/*  make buffer fill in no more than 1/3 second */
+	/* make buffer fill in no more than 1/3 second */
 	size = (freq / 3) * sample_size;
 
-	/*  set a minimum and maximum size allowed */
+	/* set a minimum and maximum size allowed */
 	if (size > dma_buffer_size)
 		size = dma_buffer_size - dma_buffer_size % sample_size;
 	else if (size < sample_size)
@@ -1724,13 +1772,21 @@ static unsigned int labpc_suggest_transfer_size(struct comedi_cmd cmd)
 /* figures out what counter values to use based on command */
 static void labpc_adc_timing(struct comedi_device *dev, struct comedi_cmd *cmd)
 {
-	const int max_counter_value = 0x10000;	/*  max value for 16 bit counter in mode 2 */
-	const int min_counter_value = 2;	/*  min value for 16 bit counter in mode 2 */
+	/* max value for 16 bit counter in mode 2 */
+	const int max_counter_value = 0x10000;
+	/* min value for 16 bit counter in mode 2 */
+	const int min_counter_value = 2;
 	unsigned int base_period;
 
-	/*  if both convert and scan triggers are TRIG_TIMER, then they both rely on counter b0 */
+	/*
+	 * if both convert and scan triggers are TRIG_TIMER, then they
+	 * both rely on counter b0
+	 */
 	if (labpc_ai_convert_period(cmd) && labpc_ai_scan_period(cmd)) {
-		/*  pick the lowest b0 divisor value we can (for maximum input clock speed on convert and scan counters) */
+		/*
+		 * pick the lowest b0 divisor value we can (for maximum input
+		 * clock speed on convert and scan counters)
+		 */
 		devpriv->divisor_b0 = (labpc_ai_scan_period(cmd) - 1) /
 		    (LABPC_TIMER_BASE * max_counter_value) + 1;
 		if (devpriv->divisor_b0 < min_counter_value)
@@ -1780,7 +1836,10 @@ static void labpc_adc_timing(struct comedi_device *dev, struct comedi_cmd *cmd)
 					    base_period * devpriv->divisor_a0);
 		labpc_set_ai_scan_period(cmd,
 					 base_period * devpriv->divisor_b1);
-		/*  if only one TRIG_TIMER is used, we can employ the generic cascaded timing functions */
+		/*
+		 * if only one TRIG_TIMER is used, we can employ the generic
+		 * cascaded timing functions
+		 */
 	} else if (labpc_ai_scan_period(cmd)) {
 		unsigned int scan_period;
 
@@ -1864,9 +1923,8 @@ static unsigned int labpc_serial_in(struct comedi_device *dev)
 		udelay(1);
 		devpriv->status2_bits =
 		    devpriv->read_byte(dev->iobase + STATUS2_REG);
-		if (devpriv->status2_bits & EEPROM_OUT_BIT) {
+		if (devpriv->status2_bits & EEPROM_OUT_BIT)
 			value |= 1 << (value_width - i);
-		}
 	}
 
 	return value;
@@ -1876,8 +1934,10 @@ static unsigned int labpc_eeprom_read(struct comedi_device *dev,
 				      unsigned int address)
 {
 	unsigned int value;
-	const int read_instruction = 0x3;	/*  bits to tell eeprom to expect a read */
-	const int write_length = 8;	/*  8 bit write lengths to eeprom */
+	/*  bits to tell eeprom to expect a read */
+	const int read_instruction = 0x3;
+	/*  8 bit write lengths to eeprom */
+	const int write_length = 8;
 
 	/*  enable read/write to eeprom */
 	devpriv->command5_bits &= ~EEPROM_EN_BIT;
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index d6d49c3bbf1c..bd16f913af23 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -3795,7 +3795,7 @@ static int ni_cdo_inttrig(struct comedi_device *dev, struct comedi_subdevice *s,
 #endif
 	int retval = 0;
 	unsigned i;
-	const unsigned timeout = 100;
+	const unsigned timeout = 1000;
 
 	s->async->inttrig = NULL;
 
diff --git a/drivers/staging/comedi/drivers/ni_pcidio.c b/drivers/staging/comedi/drivers/ni_pcidio.c
index 2d88a5be65ff..9d337516409d 100644
--- a/drivers/staging/comedi/drivers/ni_pcidio.c
+++ b/drivers/staging/comedi/drivers/ni_pcidio.c
@@ -1,8 +1,8 @@
 /*
     comedi/drivers/ni_pcidio.c
     driver for National Instruments PCI-DIO-96/PCI-6508
-               National Instruments PCI-DIO-32HS
-               National Instruments PCI-6503
+		National Instruments PCI-DIO-32HS
+		National Instruments PCI-6503
 
     COMEDI - Linux Control and Measurement Device Interface
     Copyright (C) 1999,2002 David A. Schleef <ds@schleef.org>
@@ -518,7 +518,8 @@ static irqreturn_t nidio_interrupt(int irq, void *d)
 	ni_pcidio_print_status(status);
 
 	/* printk("buf[0]=%08x\n",*(unsigned int *)async->prealloc_buf); */
-	/* printk("buf[4096]=%08x\n",*(unsigned int *)(async->prealloc_buf+4096)); */
+	/* printk("buf[4096]=%08x\n",
+	       *(unsigned int *)(async->prealloc_buf+4096)); */
 
 	spin_lock_irqsave(&devpriv->mite_channel_lock, irq_flags);
 	if (devpriv->di_mite_chan)
@@ -526,7 +527,9 @@ static irqreturn_t nidio_interrupt(int irq, void *d)
 #ifdef MITE_DEBUG
 	mite_print_chsr(m_status);
 #endif
-	/* printk("mite_bytes_transferred: %d\n",mite_bytes_transferred(mite,DI_DMA_CHAN)); */
+	/* printk("mite_bytes_transferred: %d\n",
+	       mite_bytes_transferred(mite,DI_DMA_CHAN)); */
+
 	/* mite_dump_regs(mite); */
 	if (m_status & CHSR_INT) {
 		if (m_status & CHSR_LINKC) {
@@ -565,7 +568,8 @@ static irqreturn_t nidio_interrupt(int irq, void *d)
 					DPRINTK("too much work in interrupt\n");
 					writeb(0x00,
 					       devpriv->mite->daq_io_addr +
-					       Master_DMA_And_Interrupt_Control);
+					       Master_DMA_And_Interrupt_Control
+					      );
 					goto out;
 				}
 				AuxData =
@@ -579,8 +583,10 @@ static irqreturn_t nidio_interrupt(int irq, void *d)
 				flags = readb(devpriv->mite->daq_io_addr +
 					      Group_1_Flags);
 			}
-			/* DPRINTK("buf_int_count: %d\n",async->buf_int_count); */
-			/* DPRINTK("1) IntEn=%d,flags=%d,status=%d\n",IntEn,flags,status); */
+			/* DPRINTK("buf_int_count: %d\n",
+				async->buf_int_count); */
+			/* DPRINTK("1) IntEn=%d,flags=%d,status=%d\n",
+				IntEn,flags,status); */
 			/* ni_pcidio_print_flags(flags); */
 			/* ni_pcidio_print_status(status); */
 			async->events |= COMEDI_CB_BLOCK;
@@ -627,8 +633,8 @@ static irqreturn_t nidio_interrupt(int irq, void *d)
 		flags = readb(devpriv->mite->daq_io_addr + Group_1_Flags);
 		status = readb(devpriv->mite->daq_io_addr +
 			       Interrupt_And_Window_Status);
-		/* DPRINTK("loop end: IntEn=0x%02x,flags=0x%02x,status=0x%02x\n", */
-		/* IntEn,flags,status); */
+		/* DPRINTK("loop end: IntEn=0x%02x,flags=0x%02x,"
+			"status=0x%02x\n", IntEn, flags, status); */
 		/* ni_pcidio_print_flags(flags); */
 		/* ni_pcidio_print_status(status); */
 	}
@@ -655,11 +661,10 @@ static void ni_pcidio_print_flags(unsigned int flags)
 {
 	int i;
 
-	printk("group_1_flags:");
+	printk(KERN_INFO "group_1_flags:");
 	for (i = 7; i >= 0; i--) {
-		if (flags & (1 << i)) {
+		if (flags & (1 << i))
 			printk(" %s", flags_strings[i]);
-		}
 	}
 	printk("\n");
 }
@@ -673,11 +678,10 @@ static void ni_pcidio_print_status(unsigned int flags)
 {
 	int i;
 
-	printk("group_status:");
+	printk(KERN_INFO "group_status:");
 	for (i = 7; i >= 0; i--) {
-		if (flags & (1 << i)) {
+		if (flags & (1 << i))
 			printk(" %s", status_strings[i]);
-		}
 	}
 	printk("\n");
 }
@@ -793,7 +797,8 @@ static int ni_pcidio_cmdtest(struct comedi_device *dev,
 	if (err)
 		return 1;
 
-	/* step 2: make sure trigger sources are unique and mutually compatible */
+	/* step 2: make sure trigger sources are unique and mutually
+	compatible */
 
 	/* note that mutual compatibility is not an issue here */
 	if (cmd->start_src != TRIG_NOW && cmd->start_src != TRIG_INT)
@@ -974,7 +979,8 @@ static int ni_pcidio_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 
 	/* clear and enable interrupts */
 	writeb(0xff, devpriv->mite->daq_io_addr + Group_1_First_Clear);
-	/* writeb(ClearExpired,devpriv->mite->daq_io_addr+Group_1_Second_Clear); */
+	/* writeb(ClearExpired,
+	       devpriv->mite->daq_io_addr+Group_1_Second_Clear); */
 
 	writeb(IntEn, devpriv->mite->daq_io_addr + Interrupt_Control);
 	writeb(0x03,
@@ -1052,7 +1058,7 @@ static int ni_pcidio_change(struct comedi_device *dev,
 }
 
 static int pci_6534_load_fpga(struct comedi_device *dev, int fpga_index,
-			      u8 * data, int data_len)
+			      u8 *data, int data_len)
 {
 	static const int timeout = 1000;
 	int i, j;
@@ -1066,9 +1072,8 @@ static int pci_6534_load_fpga(struct comedi_device *dev, int fpga_index,
 		udelay(1);
 	}
 	if (i == timeout) {
-		printk
-		    ("ni_pcidio: failed to load fpga %i, waiting for status 0x2\n",
-		     fpga_index);
+		printk(KERN_WARNING "ni_pcidio: failed to load fpga %i, "
+		       "waiting for status 0x2\n", fpga_index);
 		return -EIO;
 	}
 	writew(0x80 | fpga_index,
@@ -1079,9 +1084,8 @@ static int pci_6534_load_fpga(struct comedi_device *dev, int fpga_index,
 		udelay(1);
 	}
 	if (i == timeout) {
-		printk
-		    ("ni_pcidio: failed to load fpga %i, waiting for status 0x3\n",
-		     fpga_index);
+		printk(KERN_WARNING "ni_pcidio: failed to load fpga %i, "
+		       "waiting for status 0x3\n", fpga_index);
 		return -EIO;
 	}
 	for (j = 0; j + 1 < data_len;) {
@@ -1174,9 +1178,10 @@ static int nidio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	int n_subdevices;
 	unsigned int irq;
 
-	printk("comedi%d: nidio:", dev->minor);
+	printk(KERN_INFO "comedi%d: nidio:", dev->minor);
 
-	if ((ret = alloc_private(dev, sizeof(struct nidio96_private))) < 0)
+	ret = alloc_private(dev, sizeof(struct nidio96_private));
+	if (ret < 0)
 		return ret;
 	spin_lock_init(&devpriv->mite_channel_lock);
 
@@ -1186,7 +1191,7 @@ static int nidio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	ret = mite_setup(devpriv->mite);
 	if (ret < 0) {
-		printk("error setting up mite\n");
+		printk(KERN_WARNING "error setting up mite\n");
 		return ret;
 	}
 	comedi_set_hw_dev(dev, &devpriv->mite->pcidev->dev);
@@ -1196,18 +1201,19 @@ static int nidio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	dev->board_name = this_board->name;
 	irq = mite_irq(devpriv->mite);
-	printk(" %s", dev->board_name);
+	printk(KERN_INFO " %s", dev->board_name);
 	if (this_board->uses_firmware) {
 		ret = pci_6534_upload_firmware(dev, it->options);
 		if (ret < 0)
 			return ret;
 	}
-	if (!this_board->is_diodaq) {
+	if (!this_board->is_diodaq)
 		n_subdevices = this_board->n_8255;
-	} else {
+	else
 		n_subdevices = 1;
-	}
-	if ((ret = alloc_subdevices(dev, n_subdevices)) < 0)
+
+	ret = alloc_subdevices(dev, n_subdevices);
+	if (ret < 0)
 		return ret;
 
 	if (!this_board->is_diodaq) {
@@ -1220,7 +1226,7 @@ static int nidio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		}
 	} else {
 
-		printk(" rev=%d",
+		printk(KERN_INFO " rev=%d",
 		       readb(devpriv->mite->daq_io_addr + Chip_Version));
 
 		s = dev->subdevices + 0;
@@ -1253,9 +1259,9 @@ static int nidio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 		ret = request_irq(irq, nidio_interrupt, IRQF_SHARED,
 				  "ni_pcidio", dev);
-		if (ret < 0) {
-			printk(" irq not available");
-		}
+		if (ret < 0)
+			printk(KERN_WARNING " irq not available");
+
 		dev->irq = irq;
 	}
 
@@ -1269,9 +1275,8 @@ static int nidio_detach(struct comedi_device *dev)
 	int i;
 
 	if (this_board && !this_board->is_diodaq) {
-		for (i = 0; i < this_board->n_8255; i++) {
+		for (i = 0; i < this_board->n_8255; i++)
 			subdev_8255_cleanup(dev, dev->subdevices + i);
-		}
 	}
 
 	if (dev->irq)
@@ -1310,7 +1315,7 @@ static int nidio_find_device(struct comedi_device *dev, int bus, int slot)
 			}
 		}
 	}
-	printk("no device found\n");
+	printk(KERN_WARNING "no device found\n");
 	mite_list_devices();
 	return -EIO;
 }
diff --git a/drivers/staging/comedi/drivers/pcl711.c b/drivers/staging/comedi/drivers/pcl711.c
index 4914784f6995..a499f7070f72 100644
--- a/drivers/staging/comedi/drivers/pcl711.c
+++ b/drivers/staging/comedi/drivers/pcl711.c
@@ -207,11 +207,10 @@ static irqreturn_t pcl711_interrupt(int irq, void *d)
 
 	/* FIXME! Nothing else sets ntrig! */
 	if (!(--devpriv->ntrig)) {
-		if (this_board->is_8112) {
+		if (this_board->is_8112)
 			outb(1, dev->iobase + PCL711_MODE);
-		} else {
+		else
 			outb(0, dev->iobase + PCL711_MODE);
-		}
 
 		s->async->events |= COMEDI_CB_EOA;
 	}
@@ -232,15 +231,15 @@ static void pcl711_set_changain(struct comedi_device *dev, int chan)
 		/*
 		 *  Set the correct channel.  The two channel banks are switched
 		 *  using the mask value.
-		 *  NB: To use differential channels, you should use mask = 0x30,
-		 *  but I haven't written the support for this yet. /JJ
+		 *  NB: To use differential channels, you should use
+		 *  mask = 0x30, but I haven't written the support for this
+		 *  yet. /JJ
 		 */
 
-		if (chan_register >= 8) {
+		if (chan_register >= 8)
 			chan_register = 0x20 | (chan_register & 0x7);
-		} else {
+		else
 			chan_register |= 0x10;
-		}
 	} else {
 		outb(chan_register, dev->iobase + PCL711_MUX);
 	}
@@ -256,15 +255,13 @@ static int pcl711_ai_insn(struct comedi_device *dev, struct comedi_subdevice *s,
 
 	for (n = 0; n < insn->n; n++) {
 		/*
-		 *  Write the correct mode (software polling) and start polling by writing
-		 *  to the trigger register
+		 *  Write the correct mode (software polling) and start polling
+		 *  by writing to the trigger register
 		 */
 		outb(1, dev->iobase + PCL711_MODE);
 
-		if (this_board->is_8112) {
-		} else {
+		if (!this_board->is_8112)
 			outb(0, dev->iobase + PCL711_SOFTTRIG);
-		}
 
 		i = PCL711_TIMEOUT;
 		while (--i) {
@@ -462,9 +459,8 @@ static int pcl711_ao_insn_read(struct comedi_device *dev,
 	int n;
 	int chan = CR_CHAN(insn->chanspec);
 
-	for (n = 0; n < insn->n; n++) {
+	for (n = 0; n < insn->n; n++)
 		data[n] = devpriv->ao_readback[chan];
-	}
 
 	return n;
 
@@ -619,9 +615,8 @@ static int pcl711_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	   this is the "base value" for the mode register, which is
 	   used for the irq on the PCL711
 	 */
-	if (this_board->is_pcl711b) {
+	if (this_board->is_pcl711b)
 		devpriv->mode = (dev->irq << 4);
-	}
 
 	/* clear DAC */
 	outb(0, dev->iobase + PCL711_DA0_LO);
diff --git a/drivers/staging/comedi/drivers/pcl724.c b/drivers/staging/comedi/drivers/pcl724.c
index df1f4ef14616..0f103c328064 100644
--- a/drivers/staging/comedi/drivers/pcl724.c
+++ b/drivers/staging/comedi/drivers/pcl724.c
@@ -17,7 +17,7 @@
      [0] - IO Base
      [1] - IRQ (0=disable IRQ) IRQ isn't supported at this time!
      [2] -number of DIO:
-              0, 144: 144 DIO configuration
+	      0, 144: 144 DIO configuration
 	      1,  96:  96 DIO configuration
 */
 /*
@@ -137,8 +137,8 @@ static int pcl724_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	iorange = this_board->io_range;
 	if ((this_board->can_have96) && ((it->options[1] == 1)
 					 || (it->options[1] == 96)))
-		iorange = PCL722_96_SIZE;	/*  PCL-724 in 96 DIO configuration */
-	printk("comedi%d: pcl724: board=%s, 0x%03lx ", dev->minor,
+		iorange = PCL722_96_SIZE; /* PCL-724 in 96 DIO configuration */
+	printk(KERN_INFO "comedi%d: pcl724: board=%s, 0x%03lx ", dev->minor,
 	       this_board->name, iobase);
 	if (!request_region(iobase, iorange, "pcl724")) {
 		printk("I/O port conflict\n");
@@ -155,16 +155,16 @@ static int pcl724_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		irq = it->options[1];
 		if (irq) {	/* we want to use IRQ */
 			if (((1 << irq) & this_board->IRQbits) == 0) {
-				printk
-				    (", IRQ %u is out of allowed range, DISABLING IT",
-				     irq);
+				printk(KERN_WARNING
+				       ", IRQ %u is out of allowed range, "
+				       "DISABLING IT", irq);
 				irq = 0;	/* Bad IRQ */
 			} else {
 				if (request_irq
 				    (irq, interrupt_pcl724, 0, "pcl724", dev)) {
-					printk
-					    (", unable to allocate IRQ %u, DISABLING IT",
-					     irq);
+					printk(KERN_WARNING
+					       ", unable to allocate IRQ %u, "
+					       "DISABLING IT", irq);
 					irq = 0;	/* Can't use IRQ */
 				} else {
 					printk(", irq=%u", irq);
@@ -207,16 +207,14 @@ static int pcl724_detach(struct comedi_device *dev)
 {
 	int i;
 
-/* printk("comedi%d: pcl724: remove\n",dev->minor); */
+	/* printk("comedi%d: pcl724: remove\n",dev->minor); */
 
-	for (i = 0; i < dev->n_subdevices; i++) {
+	for (i = 0; i < dev->n_subdevices; i++)
 		subdev_8255_cleanup(dev, dev->subdevices + i);
-	}
 
 #ifdef PCL724_IRQ
-	if (dev->irq) {
+	if (dev->irq)
 		free_irq(dev->irq, dev);
-	}
 #endif
 
 	release_region(dev->iobase, this_board->io_range);
diff --git a/drivers/staging/comedi/drivers/pcl725.c b/drivers/staging/comedi/drivers/pcl725.c
index 1da4941fce49..60261f4ba5b4 100644
--- a/drivers/staging/comedi/drivers/pcl725.c
+++ b/drivers/staging/comedi/drivers/pcl725.c
@@ -66,7 +66,7 @@ static int pcl725_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	unsigned long iobase;
 
 	iobase = it->options[0];
-	printk("comedi%d: pcl725: 0x%04lx ", dev->minor, iobase);
+	printk(KERN_INFO "comedi%d: pcl725: 0x%04lx ", dev->minor, iobase);
 	if (!request_region(iobase, PCL725_SIZE, "pcl725")) {
 		printk("I/O port conflict\n");
 		return -EIO;
@@ -96,14 +96,14 @@ static int pcl725_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	s->insn_bits = pcl725_di_insn;
 	s->range_table = &range_digital;
 
-	printk("\n");
+	printk(KERN_INFO "\n");
 
 	return 0;
 }
 
 static int pcl725_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: pcl725: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: pcl725: remove\n", dev->minor);
 
 	if (dev->iobase)
 		release_region(dev->iobase, PCL725_SIZE);
diff --git a/drivers/staging/comedi/drivers/pcl730.c b/drivers/staging/comedi/drivers/pcl730.c
index c9859c90c152..e5e7bed21de0 100644
--- a/drivers/staging/comedi/drivers/pcl730.c
+++ b/drivers/staging/comedi/drivers/pcl730.c
@@ -99,7 +99,7 @@ static int pcl730_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	iobase = it->options[0];
 	iorange = this_board->io_range;
-	printk("comedi%d: pcl730: board=%s 0x%04lx ", dev->minor,
+	printk(KERN_INFO "comedi%d: pcl730: board=%s 0x%04lx ", dev->minor,
 	       this_board->name, iobase);
 	if (!request_region(iobase, iorange, "pcl730")) {
 		printk("I/O port conflict\n");
@@ -152,14 +152,14 @@ static int pcl730_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	s->range_table = &range_digital;
 	s->private = (void *)PCL730_DIO_LO;
 
-	printk("\n");
+	printk(KERN_INFO "\n");
 
 	return 0;
 }
 
 static int pcl730_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: pcl730: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: pcl730: remove\n", dev->minor);
 
 	if (dev->iobase)
 		release_region(dev->iobase, this_board->io_range);
diff --git a/drivers/staging/comedi/drivers/pcl812.c b/drivers/staging/comedi/drivers/pcl812.c
index 0a5bc3d6da8c..d4634c4f02dc 100644
--- a/drivers/staging/comedi/drivers/pcl812.c
+++ b/drivers/staging/comedi/drivers/pcl812.c
@@ -955,6 +955,7 @@ static irqreturn_t interrupt_pcl812_ai_int(int irq, void *d)
 	unsigned int mask, timeout;
 	struct comedi_device *dev = d;
 	struct comedi_subdevice *s = dev->subdevices + 0;
+	unsigned int next_chan;
 
 	s->async->events = 0;
 
@@ -993,9 +994,18 @@ static irqreturn_t interrupt_pcl812_ai_int(int irq, void *d)
 		       ((inb(dev->iobase + PCL812_AD_HI) << 8) |
 			inb(dev->iobase + PCL812_AD_LO)) & mask);
 
+	/* Set up next channel. Added by abbotti 2010-01-20, but untested. */
+	next_chan = s->async->cur_chan + 1;
+	if (next_chan >= devpriv->ai_n_chan)
+		next_chan = 0;
+	if (devpriv->ai_chanlist[s->async->cur_chan] !=
+			devpriv->ai_chanlist[next_chan])
+		setup_range_channel(dev, s, devpriv->ai_chanlist[next_chan], 0);
+
 	outb(0, dev->iobase + PCL812_CLRINT);	/* clear INT request */
 
-	if (s->async->cur_chan == 0) {	/* one scan done */
+	s->async->cur_chan = next_chan;
+	if (next_chan == 0) {	/* one scan done */
 		devpriv->ai_act_scan++;
 		if (!(devpriv->ai_neverending))
 			if (devpriv->ai_act_scan >= devpriv->ai_scans) {	/* all data sampled */
@@ -1021,7 +1031,9 @@ static void transfer_from_dma_buf(struct comedi_device *dev,
 	for (i = len; i; i--) {
 		comedi_buf_put(s->async, ptr[bufptr++]);	/*  get one sample */
 
-		if (s->async->cur_chan == 0) {
+		s->async->cur_chan++;
+		if (s->async->cur_chan >= devpriv->ai_n_chan) {
+			s->async->cur_chan = 0;
 			devpriv->ai_act_scan++;
 			if (!devpriv->ai_neverending)
 				if (devpriv->ai_act_scan >= devpriv->ai_scans) {	/* all data sampled */
diff --git a/drivers/staging/comedi/drivers/pcl816.c b/drivers/staging/comedi/drivers/pcl816.c
index 852fe2458fdc..9820759ec54f 100644
--- a/drivers/staging/comedi/drivers/pcl816.c
+++ b/drivers/staging/comedi/drivers/pcl816.c
@@ -202,6 +202,7 @@ struct pcl816_private {
 	unsigned int ai_act_chanlist[16];	/*  MUX setting for actual AI operations */
 	unsigned int ai_act_chanlist_len;	/*  how long is actual MUX list */
 	unsigned int ai_act_chanlist_pos;	/*  actual position in MUX list */
+	unsigned int ai_n_chan;		/*  how many channels per scan */
 	unsigned int ai_poll_ptr;	/*  how many sampes transfer poll */
 	struct comedi_subdevice *sub_ai;	/*  ptr to AI subdevice */
 #ifdef unused
@@ -213,9 +214,12 @@ struct pcl816_private {
 /*
 ==============================================================================
 */
-static int check_and_setup_channel_list(struct comedi_device *dev,
-					struct comedi_subdevice *s,
-					unsigned int *chanlist, int chanlen);
+static int check_channel_list(struct comedi_device *dev,
+			      struct comedi_subdevice *s,
+			      unsigned int *chanlist, unsigned int chanlen);
+static void setup_channel_list(struct comedi_device *dev,
+			       struct comedi_subdevice *s,
+			       unsigned int *chanlist, unsigned int seglen);
 static int pcl816_ai_cancel(struct comedi_device *dev,
 			    struct comedi_subdevice *s);
 static void start_pacer(struct comedi_device *dev, int mode,
@@ -320,7 +324,9 @@ static irqreturn_t interrupt_pcl816_ai_mode13_int(int irq, void *d)
 	if (++devpriv->ai_act_chanlist_pos >= devpriv->ai_act_chanlist_len)
 		devpriv->ai_act_chanlist_pos = 0;
 
-	if (s->async->cur_chan == 0) {
+	s->async->cur_chan++;
+	if (s->async->cur_chan >= devpriv->ai_n_chan) {
+		s->async->cur_chan = 0;
 		devpriv->ai_act_scan++;
 	}
 
@@ -353,6 +359,11 @@ static void transfer_from_dma_buf(struct comedi_device *dev,
 		if (++devpriv->ai_act_chanlist_pos >=
 		    devpriv->ai_act_chanlist_len) {
 			devpriv->ai_act_chanlist_pos = 0;
+		}
+
+		s->async->cur_chan++;
+		if (s->async->cur_chan >= devpriv->ai_n_chan) {
+			s->async->cur_chan = 0;
 			devpriv->ai_act_scan++;
 		}
 
@@ -558,14 +569,6 @@ static int pcl816_ai_cmdtest(struct comedi_device *dev,
 		}
 	}
 
-	if (!cmd->chanlist_len) {
-		cmd->chanlist_len = 1;
-		err++;
-	}
-	if (cmd->chanlist_len > this_board->n_aichan) {
-		cmd->chanlist_len = this_board->n_aichan;
-		err++;
-	}
 	if (cmd->scan_end_arg != cmd->chanlist_len) {
 		cmd->scan_end_arg = cmd->chanlist_len;
 		err++;
@@ -603,6 +606,14 @@ static int pcl816_ai_cmdtest(struct comedi_device *dev,
 		return 4;
 	}
 
+	/* step 5: complain about special chanlist considerations */
+
+	if (cmd->chanlist) {
+		if (!check_channel_list(dev, s, cmd->chanlist,
+					cmd->chanlist_len))
+			return 5;	/*  incorrect channels list */
+	}
+
 	return 0;
 }
 
@@ -610,6 +621,7 @@ static int pcl816_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 {
 	unsigned int divisor1 = 0, divisor2 = 0, dma_flags, bytes, dmairq;
 	struct comedi_cmd *cmd = &s->async->cmd;
+	unsigned int seglen;
 
 	if (cmd->start_src != TRIG_NOW)
 		return -EINVAL;
@@ -642,11 +654,13 @@ static int pcl816_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 
 	start_pacer(dev, -1, 0, 0);	/*  stop pacer */
 
-	if (!check_and_setup_channel_list(dev, s, cmd->chanlist,
-					  cmd->chanlist_len))
+	seglen = check_channel_list(dev, s, cmd->chanlist, cmd->chanlist_len);
+	if (seglen < 1)
 		return -EINVAL;
+	setup_channel_list(dev, s, cmd->chanlist, seglen);
 	udelay(1);
 
+	devpriv->ai_n_chan = cmd->chanlist_len;
 	devpriv->ai_act_scan = 0;
 	s->async->cur_chan = 0;
 	devpriv->irq_blocked = 1;
@@ -871,12 +885,12 @@ start_pacer(struct comedi_device *dev, int mode, unsigned int divisor1,
 /*
 ==============================================================================
  Check if channel list from user is builded correctly
- If it's ok, then program scan/gain logic
+ If it's ok, then return non-zero length of repeated segment of channel list
 */
 static int
-check_and_setup_channel_list(struct comedi_device *dev,
-			     struct comedi_subdevice *s, unsigned int *chanlist,
-			     int chanlen)
+check_channel_list(struct comedi_device *dev,
+		   struct comedi_subdevice *s, unsigned int *chanlist,
+		   unsigned int chanlen)
 {
 	unsigned int chansegment[16];
 	unsigned int i, nowmustbechan, seglen, segpos;
@@ -930,6 +944,20 @@ check_and_setup_channel_list(struct comedi_device *dev,
 		seglen = 1;
 	}
 
+	return seglen;	/*  we can serve this with MUX logic */
+}
+
+/*
+==============================================================================
+ Program scan/gain logic with channel list.
+*/
+static void
+setup_channel_list(struct comedi_device *dev,
+		   struct comedi_subdevice *s, unsigned int *chanlist,
+		   unsigned int seglen)
+{
+	unsigned int i;
+
 	devpriv->ai_act_chanlist_len = seglen;
 	devpriv->ai_act_chanlist_pos = 0;
 
@@ -942,8 +970,6 @@ check_and_setup_channel_list(struct comedi_device *dev,
 	udelay(1);
 
 	outb(devpriv->ai_act_chanlist[0] | (devpriv->ai_act_chanlist[seglen - 1] << 4), dev->iobase + PCL816_MUX);	/* select channel interval to scan */
-
-	return 1;		/*  we can serve this with MUX logic */
 }
 
 #ifdef unused
diff --git a/drivers/staging/comedi/drivers/pcl818.c b/drivers/staging/comedi/drivers/pcl818.c
index d0481013a837..c9d75385755d 100644
--- a/drivers/staging/comedi/drivers/pcl818.c
+++ b/drivers/staging/comedi/drivers/pcl818.c
@@ -557,8 +557,14 @@ conv_finish:
 		comedi_event(dev, s);
 		return IRQ_HANDLED;
 	}
-	if (s->async->cur_chan == 0) {
+	devpriv->act_chanlist_pos++;
+	if (devpriv->act_chanlist_pos >= devpriv->act_chanlist_len) {
+		devpriv->act_chanlist_pos = 0;
+	}
+	s->async->cur_chan++;
+	if (s->async->cur_chan >= devpriv->ai_n_chan) {
 		/*  printk("E"); */
+		s->async->cur_chan = 0;
 		devpriv->ai_act_scan--;
 	}
 
@@ -627,9 +633,13 @@ static irqreturn_t interrupt_pcl818_ai_mode13_dma(int irq, void *d)
 
 		devpriv->act_chanlist_pos++;
 		if (devpriv->act_chanlist_pos >= devpriv->act_chanlist_len) {
-			devpriv->ai_act_scan--;
 			devpriv->act_chanlist_pos = 0;
 		}
+		s->async->cur_chan++;
+		if (s->async->cur_chan >= devpriv->ai_n_chan) {
+			s->async->cur_chan = 0;
+			devpriv->ai_act_scan--;
+		}
 
 		if (!devpriv->neverending_ai)
 			if (devpriv->ai_act_scan == 0) {	/* all data sampled */
@@ -717,7 +727,14 @@ static irqreturn_t interrupt_pcl818_ai_mode13_dma_rtc(int irq, void *d)
 			comedi_buf_put(s->async, dmabuf[bufptr++] >> 4);	/*  get one sample */
 			bufptr &= (devpriv->dmasamplsize - 1);
 
-			if (s->async->cur_chan == 0) {
+			devpriv->act_chanlist_pos++;
+			if (devpriv->act_chanlist_pos >=
+					devpriv->act_chanlist_len) {
+				devpriv->act_chanlist_pos = 0;
+			}
+			s->async->cur_chan++;
+			if (s->async->cur_chan >= devpriv->ai_n_chan) {
+				s->async->cur_chan = 0;
 				devpriv->ai_act_scan--;
 			}
 
@@ -796,7 +813,13 @@ static irqreturn_t interrupt_pcl818_ai_mode13_fifo(int irq, void *d)
 
 		comedi_buf_put(s->async, (lo >> 4) | (inb(dev->iobase + PCL818_FI_DATAHI) << 4));	/*  get one sample */
 
-		if (s->async->cur_chan == 0) {
+		devpriv->act_chanlist_pos++;
+		if (devpriv->act_chanlist_pos >= devpriv->act_chanlist_len) {
+			devpriv->act_chanlist_pos = 0;
+		}
+		s->async->cur_chan++;
+		if (s->async->cur_chan >= devpriv->ai_n_chan) {
+			s->async->cur_chan = 0;
 			devpriv->ai_act_scan--;
 		}
 
@@ -1369,14 +1392,6 @@ static int ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
 		}
 	}
 
-	if (!cmd->chanlist_len) {
-		cmd->chanlist_len = 1;
-		err++;
-	}
-	if (cmd->chanlist_len > s->n_chan) {
-		cmd->chanlist_len = s->n_chan;
-		err++;
-	}
 	if (cmd->scan_end_arg != cmd->chanlist_len) {
 		cmd->scan_end_arg = cmd->chanlist_len;
 		err++;
diff --git a/drivers/staging/comedi/drivers/pcm3724.c b/drivers/staging/comedi/drivers/pcm3724.c
index 52811824b05a..ed6103079232 100644
--- a/drivers/staging/comedi/drivers/pcm3724.c
+++ b/drivers/staging/comedi/drivers/pcm3724.c
@@ -121,25 +121,22 @@ static int compute_buffer(int config, int devno, struct comedi_subdevice *s)
 {
 	/* 1 in io_bits indicates output */
 	if (s->io_bits & 0x0000ff) {
-		if (devno == 0) {
+		if (devno == 0)
 			config |= BUF_A0;
-		} else {
+		else
 			config |= BUF_A1;
-		}
 	}
 	if (s->io_bits & 0x00ff00) {
-		if (devno == 0) {
+		if (devno == 0)
 			config |= BUF_B0;
-		} else {
+		else
 			config |= BUF_B1;
-		}
 	}
 	if (s->io_bits & 0xff0000) {
-		if (devno == 0) {
+		if (devno == 0)
 			config |= BUF_C0;
-		} else {
+		else
 			config |= BUF_C1;
-		}
 	}
 	return config;
 }
@@ -155,26 +152,27 @@ static void do_3724_config(struct comedi_device *dev,
 	buffer_config = 0;
 
 	/* 1 in io_bits indicates output, 1 in config indicates input */
-	if (!(s->io_bits & 0x0000ff)) {
+	if (!(s->io_bits & 0x0000ff))
 		config |= CR_A_IO;
-	}
-	if (!(s->io_bits & 0x00ff00)) {
+
+	if (!(s->io_bits & 0x00ff00))
 		config |= CR_B_IO;
-	}
-	if (!(s->io_bits & 0xff0000)) {
+
+	if (!(s->io_bits & 0xff0000))
 		config |= CR_C_IO;
-	}
 
 	buffer_config = compute_buffer(0, 0, dev->subdevices);
 	buffer_config = compute_buffer(buffer_config, 1, (dev->subdevices) + 1);
 
-	if (s == dev->subdevices) {
+	if (s == dev->subdevices)
 		port_8255_cfg = dev->iobase + _8255_CR;
-	} else {
+	else
 		port_8255_cfg = dev->iobase + SIZE_8255 + _8255_CR;
-	}
+
 	outb(buffer_config, dev->iobase + 8);	/* update buffer register */
-	/* printk("pcm3724 buffer_config (%lx) %d, %x\n", dev->iobase + _8255_CR, chanspec, buffer_config); */
+	/* printk("pcm3724 buffer_config (%lx) %d, %x\n",
+	       dev->iobase + _8255_CR, chanspec, buffer_config); */
+
 	outb(config, port_8255_cfg);
 }
 
@@ -189,29 +187,29 @@ static void enable_chan(struct comedi_device *dev, struct comedi_subdevice *s,
 	priv = (struct priv_pcm3724 *)(dev->private);
 
 	mask = 1 << CR_CHAN(chanspec);
-	if (s == dev->subdevices) {	/*  subdev 0 */
+	if (s == dev->subdevices)	/*  subdev 0 */
 		priv->dio_1 |= mask;
-	} else {		/* subdev 1 */
+	else		/* subdev 1 */
 		priv->dio_2 |= mask;
-	}
-	if (priv->dio_1 & 0xff0000) {
+
+	if (priv->dio_1 & 0xff0000)
 		gatecfg |= GATE_C0;
-	}
-	if (priv->dio_1 & 0xff00) {
+
+	if (priv->dio_1 & 0xff00)
 		gatecfg |= GATE_B0;
-	}
-	if (priv->dio_1 & 0xff) {
+
+	if (priv->dio_1 & 0xff)
 		gatecfg |= GATE_A0;
-	}
-	if (priv->dio_2 & 0xff0000) {
+
+	if (priv->dio_2 & 0xff0000)
 		gatecfg |= GATE_C1;
-	}
-	if (priv->dio_2 & 0xff00) {
+
+	if (priv->dio_2 & 0xff00)
 		gatecfg |= GATE_B1;
-	}
-	if (priv->dio_2 & 0xff) {
+
+	if (priv->dio_2 & 0xff)
 		gatecfg |= GATE_A1;
-	}
+
 	/*       printk("gate control %x\n", gatecfg); */
 	outb(gatecfg, dev->iobase + 9);
 }
@@ -225,15 +223,14 @@ static int subdev_3724_insn_config(struct comedi_device *dev,
 	unsigned int bits;
 
 	mask = 1 << CR_CHAN(insn->chanspec);
-	if (mask & 0x0000ff) {
+	if (mask & 0x0000ff)
 		bits = 0x0000ff;
-	} else if (mask & 0x00ff00) {
+	else if (mask & 0x00ff00)
 		bits = 0x00ff00;
-	} else if (mask & 0x0f0000) {
+	else if (mask & 0x0f0000)
 		bits = 0x0f0000;
-	} else {
+	else
 		bits = 0xf00000;
-	}
 
 	switch (data[0]) {
 	case INSN_CONFIG_DIO_INPUT:
@@ -272,7 +269,7 @@ static int pcm3724_attach(struct comedi_device *dev,
 	((struct priv_pcm3724 *)(dev->private))->dio_1 = 0;
 	((struct priv_pcm3724 *)(dev->private))->dio_2 = 0;
 
-	printk("comedi%d: pcm3724: board=%s, 0x%03lx ", dev->minor,
+	printk(KERN_INFO "comedi%d: pcm3724: board=%s, 0x%03lx ", dev->minor,
 	       this_board->name, iobase);
 	if (!iobase || !request_region(iobase, iorange, "pcm3724")) {
 		printk("I/O port conflict\n");
@@ -281,7 +278,7 @@ static int pcm3724_attach(struct comedi_device *dev,
 
 	dev->iobase = iobase;
 	dev->board_name = this_board->name;
-	printk("\n");
+	printk(KERN_INFO "\n");
 
 	n_subdevices = this_board->numofports;
 
@@ -302,13 +299,11 @@ static int pcm3724_detach(struct comedi_device *dev)
 	int i;
 
 	if (dev->subdevices) {
-		for (i = 0; i < dev->n_subdevices; i++) {
+		for (i = 0; i < dev->n_subdevices; i++)
 			subdev_8255_cleanup(dev, dev->subdevices + i);
-		}
 	}
-	if (dev->iobase) {
+	if (dev->iobase)
 		release_region(dev->iobase, this_board->io_range);
-	}
 
 	return 0;
 }
diff --git a/drivers/staging/comedi/drivers/pcm3730.c b/drivers/staging/comedi/drivers/pcm3730.c
index 9e4adbd89dda..22b7aae63add 100644
--- a/drivers/staging/comedi/drivers/pcm3730.c
+++ b/drivers/staging/comedi/drivers/pcm3730.c
@@ -73,7 +73,7 @@ static int pcm3730_attach(struct comedi_device *dev,
 	unsigned long iobase;
 
 	iobase = it->options[0];
-	printk("comedi%d: pcm3730: 0x%04lx ", dev->minor, iobase);
+	printk(KERN_INFO "comedi%d: pcm3730: 0x%04lx ", dev->minor, iobase);
 	if (!request_region(iobase, PCM3730_SIZE, "pcm3730")) {
 		printk("I/O port conflict\n");
 		return -EIO;
@@ -140,14 +140,14 @@ static int pcm3730_attach(struct comedi_device *dev,
 	s->range_table = &range_digital;
 	s->private = (void *)PCM3730_DIC;
 
-	printk("\n");
+	printk(KERN_INFO "\n");
 
 	return 0;
 }
 
 static int pcm3730_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: pcm3730: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: pcm3730: remove\n", dev->minor);
 
 	if (dev->iobase)
 		release_region(dev->iobase, PCM3730_SIZE);
diff --git a/drivers/staging/comedi/drivers/pcmad.c b/drivers/staging/comedi/drivers/pcmad.c
index acac67090810..fab8092bd7aa 100644
--- a/drivers/staging/comedi/drivers/pcmad.c
+++ b/drivers/staging/comedi/drivers/pcmad.c
@@ -34,11 +34,11 @@ Configuration options:
   [0] - I/O port base
   [1] - unused
   [2] - Analog input reference
-          0 = single ended
-          1 = differential
+	0 = single ended
+	1 = differential
   [3] - Analog input encoding (must match jumpers)
-          0 = straight binary
-          1 = two's complement
+	0 = straight binary
+	1 = two's complement
 */
 
 #include <linux/interrupt.h>
@@ -113,9 +113,8 @@ static int pcmad_ai_insn_read(struct comedi_device *dev,
 		data[n] = inb(dev->iobase + PCMAD_LSB);
 		data[n] |= (inb(dev->iobase + PCMAD_MSB) << 8);
 
-		if (devpriv->twos_comp) {
+		if (devpriv->twos_comp)
 			data[n] ^= (1 << (this_board->n_ai_bits - 1));
-		}
 	}
 
 	return n;
@@ -135,11 +134,12 @@ static int pcmad_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	unsigned long iobase;
 
 	iobase = it->options[0];
-	printk("comedi%d: pcmad: 0x%04lx ", dev->minor, iobase);
+	printk(KERN_INFO "comedi%d: pcmad: 0x%04lx ", dev->minor, iobase);
 	if (!request_region(iobase, PCMAD_SIZE, "pcmad")) {
-		printk("I/O port conflict\n");
+		printk(KERN_CONT "I/O port conflict\n");
 		return -EIO;
 	}
+	printk(KERN_CONT "\n");
 	dev->iobase = iobase;
 
 	ret = alloc_subdevices(dev, 1);
@@ -166,11 +166,11 @@ static int pcmad_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 static int pcmad_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: pcmad: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: pcmad: remove\n", dev->minor);
 
-	if (dev->irq) {
+	if (dev->irq)
 		free_irq(dev->irq, dev);
-	}
+
 	if (dev->iobase)
 		release_region(dev->iobase, PCMAD_SIZE);
 
diff --git a/drivers/staging/comedi/drivers/pcmmio.c b/drivers/staging/comedi/drivers/pcmmio.c
index 35ba93989a36..6ca4105610c1 100644
--- a/drivers/staging/comedi/drivers/pcmmio.c
+++ b/drivers/staging/comedi/drivers/pcmmio.c
@@ -550,7 +550,7 @@ static int pcmmio_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	if (irq[0]) {
 		printk("irq: %u ", irq[0]);
-		if (irq[1] && thisboard->dio_num_asics == 2)
+		if (thisboard->dio_num_asics == 2 && irq[1])
 			printk("second ASIC irq: %u ", irq[1]);
 	} else {
 		printk("(IRQ mode disabled) ");
diff --git a/drivers/staging/comedi/drivers/poc.c b/drivers/staging/comedi/drivers/poc.c
index d23e588d0632..1ebc356ce40e 100644
--- a/drivers/staging/comedi/drivers/poc.c
+++ b/drivers/staging/comedi/drivers/poc.c
@@ -122,22 +122,21 @@ static int poc_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	unsigned int iosize;
 
 	iobase = it->options[0];
-	printk("comedi%d: poc: using %s iobase 0x%lx\n", dev->minor,
+	printk(KERN_INFO "comedi%d: poc: using %s iobase 0x%lx\n", dev->minor,
 	       this_board->name, iobase);
 
 	dev->board_name = this_board->name;
 
 	if (iobase == 0) {
-		printk("io base address required\n");
+		printk(KERN_ERR "io base address required\n");
 		return -EINVAL;
 	}
 
 	iosize = this_board->iosize;
 	/* check if io addresses are available */
 	if (!request_region(iobase, iosize, "dac02")) {
-		printk
-		    ("I/O port conflict: failed to allocate ports 0x%lx to 0x%lx\n",
-		     iobase, iobase + iosize - 1);
+		printk(KERN_ERR "I/O port conflict: failed to allocate ports "
+			"0x%lx to 0x%lx\n", iobase, iobase + iosize - 1);
 		return -EIO;
 	}
 	dev->iobase = iobase;
@@ -156,9 +155,8 @@ static int poc_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	s->insn_write = this_board->winsn;
 	s->insn_read = this_board->rinsn;
 	s->insn_bits = this_board->insnbits;
-	if (s->type == COMEDI_SUBD_AO || s->type == COMEDI_SUBD_DO) {
+	if (s->type == COMEDI_SUBD_AO || s->type == COMEDI_SUBD_DO)
 		s->subdev_flags = SDF_WRITABLE;
-	}
 
 	return 0;
 }
@@ -169,7 +167,7 @@ static int poc_detach(struct comedi_device *dev)
 	if (dev->iobase)
 		release_region(dev->iobase, this_board->iosize);
 
-	printk("comedi%d: dac02: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: dac02: remove\n", dev->minor);
 
 	return 0;
 }
diff --git a/drivers/staging/comedi/drivers/rti800.c b/drivers/staging/comedi/drivers/rti800.c
index 2c9d05bd288c..028ed6f89c4c 100644
--- a/drivers/staging/comedi/drivers/rti800.c
+++ b/drivers/staging/comedi/drivers/rti800.c
@@ -32,22 +32,22 @@ Configuration options:
   [0] - I/O port base address
   [1] - IRQ
   [2] - A/D reference
-          0 = differential
-          1 = pseudodifferential (common)
-          2 = single-ended
+	0 = differential
+	1 = pseudodifferential (common)
+	2 = single-ended
   [3] - A/D range
-          0 = [-10,10]
-          1 = [-5,5]
-          2 = [0,10]
+	0 = [-10,10]
+	1 = [-5,5]
+	2 = [0,10]
   [4] - A/D encoding
-          0 = two's complement
-          1 = straight binary
+	0 = two's complement
+	1 = straight binary
   [5] - DAC 0 range
-          0 = [-10,10]
-          1 = [0,10]
+	0 = [-10,10]
+	1 = [0,10]
   [6] - DAC 0 encoding
-          0 = two's complement
-          1 = straight binary
+	0 = two's complement
+	1 = straight binary
   [7] - DAC 1 range (same as DAC 0)
   [8] - DAC 1 encoding (same as DAC 0)
 */
@@ -225,7 +225,7 @@ static int rti800_ai_insn_read(struct comedi_device *dev,
 		for (t = RTI800_TIMEOUT; t; t--) {
 			status = inb(dev->iobase + RTI800_CSR);
 			if (status & RTI800_OVERRUN) {
-				printk("rti800: a/d overrun\n");
+				printk(KERN_WARNING "rti800: a/d overrun\n");
 				outb(0, dev->iobase + RTI800_CLRFLAGS);
 				return -EIO;
 			}
@@ -234,15 +234,14 @@ static int rti800_ai_insn_read(struct comedi_device *dev,
 			udelay(1);
 		}
 		if (t == 0) {
-			printk("rti800: timeout\n");
+			printk(KERN_WARNING "rti800: timeout\n");
 			return -ETIME;
 		}
 		data[i] = inb(dev->iobase + RTI800_ADCLO);
 		data[i] |= (0xf & inb(dev->iobase + RTI800_ADCHI)) << 8;
 
-		if (devpriv->adc_coding == adc_2comp) {
+		if (devpriv->adc_coding == adc_2comp)
 			data[i] ^= 0x800;
-		}
 	}
 
 	return i;
@@ -271,9 +270,9 @@ static int rti800_ao_insn_write(struct comedi_device *dev,
 
 	for (i = 0; i < insn->n; i++) {
 		devpriv->ao_readback[chan] = d = data[i];
-		if (devpriv->dac0_coding == dac_2comp) {
+		if (devpriv->dac0_coding == dac_2comp)
 			d ^= 0x800;
-		}
+
 		outb(d & 0xff,
 		     dev->iobase + (chan ? RTI800_DAC1LO : RTI800_DAC0LO));
 		outb(d >> 8,
@@ -315,15 +314,15 @@ static int rti800_do_insn_bits(struct comedi_device *dev,
    options[0] - I/O port
    options[1] - irq
    options[2] - a/d mux
-   	0=differential, 1=pseudodiff, 2=single
+	0=differential, 1=pseudodiff, 2=single
    options[3] - a/d range
-   	0=bipolar10, 1=bipolar5, 2=unipolar10
+	0=bipolar10, 1=bipolar5, 2=unipolar10
    options[4] - a/d coding
-   	0=2's comp, 1=straight binary
+	0=2's comp, 1=straight binary
    options[5] - dac0 range
-   	0=bipolar10, 1=unipolar10
+	0=bipolar10, 1=unipolar10
    options[6] - dac0 coding
-   	0=2's comp, 1=straight binary
+	0=2's comp, 1=straight binary
    options[7] - dac1 range
    options[8] - dac1 coding
  */
@@ -336,15 +335,15 @@ static int rti800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	struct comedi_subdevice *s;
 
 	iobase = it->options[0];
-	printk("comedi%d: rti800: 0x%04lx ", dev->minor, iobase);
+	printk(KERN_INFO "comedi%d: rti800: 0x%04lx\n", dev->minor, iobase);
 	if (!request_region(iobase, RTI800_SIZE, "rti800")) {
-		printk("I/O port conflict\n");
+		printk(KERN_WARNING "I/O port conflict\n");
 		return -EIO;
 	}
 	dev->iobase = iobase;
 
 #ifdef DEBUG
-	printk("fingerprint=%x,%x,%x,%x,%x ",
+	printk(KERN_DEBUG "fingerprint=%x,%x,%x,%x,%x ",
 	       inb(dev->iobase + 0),
 	       inb(dev->iobase + 1),
 	       inb(dev->iobase + 2),
@@ -357,15 +356,15 @@ static int rti800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 
 	irq = it->options[1];
 	if (irq) {
-		printk("( irq = %u )", irq);
+		printk(KERN_INFO "( irq = %u )\n", irq);
 		ret = request_irq(irq, rti800_interrupt, 0, "rti800", dev);
 		if (ret < 0) {
-			printk(" Failed to allocate IRQ\n");
+			printk(KERN_WARNING " Failed to allocate IRQ\n");
 			return ret;
 		}
 		dev->irq = irq;
 	} else {
-		printk("( no irq )");
+		printk(KERN_INFO "( no irq )\n");
 	}
 
 	dev->board_name = this_board->name;
@@ -461,14 +460,12 @@ static int rti800_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	s->type = COMEDI_SUBD_TIMER;
 #endif
 
-	printk("\n");
-
 	return 0;
 }
 
 static int rti800_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: rti800: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: rti800: remove\n", dev->minor);
 
 	if (dev->iobase)
 		release_region(dev->iobase, RTI800_SIZE);
diff --git a/drivers/staging/comedi/drivers/rti802.c b/drivers/staging/comedi/drivers/rti802.c
index 2f75c737ea15..2157edcf7997 100644
--- a/drivers/staging/comedi/drivers/rti802.c
+++ b/drivers/staging/comedi/drivers/rti802.c
@@ -106,9 +106,9 @@ static int rti802_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 	unsigned long iobase;
 
 	iobase = it->options[0];
-	printk("comedi%d: rti802: 0x%04lx ", dev->minor, iobase);
+	printk(KERN_INFO "comedi%d: rti802: 0x%04lx ", dev->minor, iobase);
 	if (!request_region(iobase, RTI802_SIZE, "rti802")) {
-		printk("I/O port conflict\n");
+		printk(KERN_WARNING "I/O port conflict\n");
 		return -EIO;
 	}
 	dev->iobase = iobase;
@@ -138,14 +138,12 @@ static int rti802_attach(struct comedi_device *dev, struct comedi_devconfig *it)
 		    ? &range_unipolar10 : &range_bipolar10;
 	}
 
-	printk("\n");
-
 	return 0;
 }
 
 static int rti802_detach(struct comedi_device *dev)
 {
-	printk("comedi%d: rti802: remove\n", dev->minor);
+	printk(KERN_INFO "comedi%d: rti802: remove\n", dev->minor);
 
 	if (dev->iobase)
 		release_region(dev->iobase, RTI802_SIZE);
diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c
index fdd7ab954d8c..a3cc93362ec2 100644
--- a/drivers/staging/comedi/drivers/s626.c
+++ b/drivers/staging/comedi/drivers/s626.c
@@ -140,7 +140,7 @@ struct s626_private {
 	short allocatedBuf;
 	uint8_t ai_cmd_running;	/*  ai_cmd is running */
 	uint8_t ai_continous;	/*  continous aquisition */
-	int ai_sample_count;	/*  number of samples to aquire */
+	int ai_sample_count;	/*  number of samples to acquire */
 	unsigned int ai_sample_timer;
 	/*  time between samples in  units of the timer */
 	int ai_convert_count;	/*  conversion counter */
diff --git a/drivers/staging/comedi/drivers/serial2002.c b/drivers/staging/comedi/drivers/serial2002.c
index db37dcdd98b6..dd2b90372794 100644
--- a/drivers/staging/comedi/drivers/serial2002.c
+++ b/drivers/staging/comedi/drivers/serial2002.c
@@ -397,7 +397,7 @@ static void serial_2002_open(struct comedi_device *dev)
 	char port[20];
 
 	sprintf(port, "/dev/ttyS%d", devpriv->port);
-	devpriv->tty = filp_open(port, 0, O_RDWR);
+	devpriv->tty = filp_open(port, O_RDWR, 0);
 	if (IS_ERR(devpriv->tty)) {
 		printk("serial_2002: file open error = %ld\n",
 		       PTR_ERR(devpriv->tty));
diff --git a/drivers/staging/comedi/drivers/ssv_dnp.c b/drivers/staging/comedi/drivers/ssv_dnp.c
index 4918fbfab5e8..17c92a57b0dd 100644
--- a/drivers/staging/comedi/drivers/ssv_dnp.c
+++ b/drivers/staging/comedi/drivers/ssv_dnp.c
@@ -300,11 +300,11 @@ static int dnp_dio_insn_config(struct comedi_device *dev,
 
 	/* read 'old' direction of the port and set bits (out=1, in=0)             */
 	register_buffer = inb(CSCDR);
-	if (data[0] == COMEDI_OUTPUT) {
+	if (data[0] == COMEDI_OUTPUT)
 		register_buffer |= (1 << chan);
-	} else {
+	else
 		register_buffer &= ~(1 << chan);
-	}
+
 	outb(register_buffer, CSCDR);
 
 	return 1;
diff --git a/drivers/staging/comedi/drivers/usbdux.c b/drivers/staging/comedi/drivers/usbdux.c
index 9a1b559c4b0d..8942ae45708d 100644
--- a/drivers/staging/comedi/drivers/usbdux.c
+++ b/drivers/staging/comedi/drivers/usbdux.c
@@ -95,7 +95,6 @@ sampling rate. If you sample two channels you get 4kHz and so on.
 #include <linux/slab.h>
 #include <linux/input.h>
 #include <linux/usb.h>
-#include <linux/smp_lock.h>
 #include <linux/fcntl.h>
 #include <linux/compiler.h>
 #include <linux/firmware.h>
@@ -289,7 +288,7 @@ struct usbduxsub {
 	/* continous aquisition */
 	short int ai_continous;
 	short int ao_continous;
-	/* number of samples to aquire */
+	/* number of samples to acquire */
 	int ai_sample_count;
 	int ao_sample_count;
 	/* time between samples in units of the timer */
@@ -2833,7 +2832,7 @@ static struct comedi_driver driver_usbdux = {
 };
 
 /* Table with the USB-devices: just now only testing IDs */
-static struct usb_device_id usbduxsub_table[] = {
+static const struct usb_device_id usbduxsub_table[] = {
 	{USB_DEVICE(0x13d8, 0x0001)},
 	{USB_DEVICE(0x13d8, 0x0002)},
 	{}			/* Terminating entry */
diff --git a/drivers/staging/comedi/drivers/usbduxfast.c b/drivers/staging/comedi/drivers/usbduxfast.c
index 2e675cce7dbf..e89b81812538 100644
--- a/drivers/staging/comedi/drivers/usbduxfast.c
+++ b/drivers/staging/comedi/drivers/usbduxfast.c
@@ -44,7 +44,6 @@
 #include <linux/slab.h>
 #include <linux/input.h>
 #include <linux/usb.h>
-#include <linux/smp_lock.h>
 #include <linux/fcntl.h>
 #include <linux/compiler.h>
 #include "comedi_fc.h"
@@ -182,7 +181,7 @@ struct usbduxfastsub_s {
 						   context */
 	short int ai_cmd_running;	/* asynchronous command is running */
 	short int ai_continous;	/* continous aquisition */
-	long int ai_sample_count;	/* number of samples to aquire */
+	long int ai_sample_count;	/* number of samples to acquire */
 	uint8_t *dux_commands;	/* commands */
 	int ignore;		/* counter which ignores the first
 				   buffers */
@@ -1769,7 +1768,7 @@ static struct comedi_driver driver_usbduxfast = {
 /*
  * Table with the USB-devices: just now only testing IDs
  */
-static struct usb_device_id usbduxfastsub_table[] = {
+static const struct usb_device_id usbduxfastsub_table[] = {
 	/* { USB_DEVICE(0x4b4, 0x8613) }, testing */
 	{USB_DEVICE(0x13d8, 0x0010)},	/* real ID */
 	{USB_DEVICE(0x13d8, 0x0011)},	/* real ID */
diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c
index c34a0b9141e2..6479c38d0278 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -75,7 +75,7 @@ enum {
 	DEVICE_VMK8061
 };
 
-static struct usb_device_id vmk80xx_id_table[] = {
+static const struct usb_device_id vmk80xx_id_table[] = {
 	{USB_DEVICE(0x10cf, 0x5500), .driver_info = DEVICE_VMK8055},
 	{USB_DEVICE(0x10cf, 0x5501), .driver_info = DEVICE_VMK8055},
 	{USB_DEVICE(0x10cf, 0x5502), .driver_info = DEVICE_VMK8055},
diff --git a/drivers/staging/crystalhd/Kconfig b/drivers/staging/crystalhd/Kconfig
new file mode 100644
index 000000000000..56b414bca1a1
--- /dev/null
+++ b/drivers/staging/crystalhd/Kconfig
@@ -0,0 +1,6 @@
+config CRYSTALHD
+	tristate "Broadcom Crystal HD video decoder support"
+	depends on PCI
+	default n
+	help
+	  Support for the Broadcom Crystal HD video decoder chipset
diff --git a/drivers/staging/crystalhd/Makefile b/drivers/staging/crystalhd/Makefile
new file mode 100644
index 000000000000..e2af0ce2e792
--- /dev/null
+++ b/drivers/staging/crystalhd/Makefile
@@ -0,0 +1,6 @@
+obj-$(CONFIG_CRYSTALHD)	+= crystalhd.o
+
+crystalhd-objs		:= crystalhd_cmds.o	\
+			   crystalhd_hw.o	\
+			   crystalhd_lnx.o	\
+			   crystalhd_misc.o
diff --git a/drivers/staging/crystalhd/TODO b/drivers/staging/crystalhd/TODO
new file mode 100644
index 000000000000..69be5d0cb80c
--- /dev/null
+++ b/drivers/staging/crystalhd/TODO
@@ -0,0 +1,16 @@
+- Testing
+- Cleanup return codes
+- Cleanup typedefs
+- Cleanup all WIN* references
+- Allocate an Accelerator device class specific Major number,
+  since we don't have any other open sourced accelerators, it is the only
+  one in that category for now.
+  A somewhat similar device is the DXR2/3
+
+Please send patches to:
+Greg Kroah-Hartman <greg@kroah.com>
+Naren Sankar <nsankar@broadcom.com>
+Jarod Wilson <jarod@wilsonet.com>
+Scott Davilla <davilla@4pi.com>
+Manu Abraham <abraham.manu@gmail.com>
+
diff --git a/drivers/staging/crystalhd/bc_dts_defs.h b/drivers/staging/crystalhd/bc_dts_defs.h
new file mode 100644
index 000000000000..c34cc07127b8
--- /dev/null
+++ b/drivers/staging/crystalhd/bc_dts_defs.h
@@ -0,0 +1,498 @@
+/********************************************************************
+ * Copyright(c) 2006-2009 Broadcom Corporation.
+ *
+ *  Name: bc_dts_defs.h
+ *
+ *  Description: Common definitions for all components. Only types
+ *		 is allowed to be included from this file.
+ *
+ *  AU
+ *
+ *  HISTORY:
+ *
+ ********************************************************************
+ * This header is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 2.1 of the License.
+ *
+ * This header is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this header.  If not, see <http://www.gnu.org/licenses/>.
+ *******************************************************************/
+
+#ifndef _BC_DTS_DEFS_H_
+#define _BC_DTS_DEFS_H_
+
+#include "bc_dts_types.h"
+
+/* BIT Mask */
+#define BC_BIT(_x)		(1 << (_x))
+
+typedef enum _BC_STATUS {
+	BC_STS_SUCCESS		= 0,
+	BC_STS_INV_ARG		= 1,
+	BC_STS_BUSY		= 2,
+	BC_STS_NOT_IMPL		= 3,
+	BC_STS_PGM_QUIT		= 4,
+	BC_STS_NO_ACCESS	= 5,
+	BC_STS_INSUFF_RES	= 6,
+	BC_STS_IO_ERROR		= 7,
+	BC_STS_NO_DATA		= 8,
+	BC_STS_VER_MISMATCH	= 9,
+	BC_STS_TIMEOUT		= 10,
+	BC_STS_FW_CMD_ERR	= 11,
+	BC_STS_DEC_NOT_OPEN	= 12,
+	BC_STS_ERR_USAGE	= 13,
+	BC_STS_IO_USER_ABORT	= 14,
+	BC_STS_IO_XFR_ERROR	= 15,
+	BC_STS_DEC_NOT_STARTED	= 16,
+	BC_STS_FWHEX_NOT_FOUND	= 17,
+	BC_STS_FMT_CHANGE	= 18,
+	BC_STS_HIF_ACCESS	= 19,
+	BC_STS_CMD_CANCELLED	= 20,
+	BC_STS_FW_AUTH_FAILED	= 21,
+	BC_STS_BOOTLOADER_FAILED = 22,
+	BC_STS_CERT_VERIFY_ERROR = 23,
+	BC_STS_DEC_EXIST_OPEN	= 24,
+	BC_STS_PENDING		= 25,
+	BC_STS_CLK_NOCHG	= 26,
+
+	/* Must be the last one.*/
+	BC_STS_ERROR		= -1
+} BC_STATUS;
+
+/*------------------------------------------------------*
+ *    Registry Key Definitions				*
+ *------------------------------------------------------*/
+#define BC_REG_KEY_MAIN_PATH	"Software\\Broadcom\\MediaPC\\70010"
+#define BC_REG_KEY_FWPATH		"FirmwareFilePath"
+#define BC_REG_KEY_SEC_OPT		"DbgOptions"
+
+/*
+ * Options:
+ *
+ *  b[5] = Enable RSA KEY in EEPROM Support
+ *  b[6] = Enable Old PIB scheme. (0 = Use PIB with video scheme)
+ *
+ *  b[12] = Enable send message to NotifyIcon
+ *
+ */
+
+typedef enum _BC_SW_OPTIONS {
+	BC_OPT_DOSER_OUT_ENCRYPT	= BC_BIT(3),
+	BC_OPT_LINK_OUT_ENCRYPT		= BC_BIT(29),
+} BC_SW_OPTIONS;
+
+typedef struct _BC_REG_CONFIG{
+	uint32_t		DbgOptions;
+} BC_REG_CONFIG;
+
+#if defined(__KERNEL__) || defined(__LINUX_USER__)
+#else
+/* Align data structures */
+#define ALIGN(x)	__declspec(align(x))
+#endif
+
+/* mode
+ * b[0]..b[7]	= _DtsDeviceOpenMode
+ * b[8]		=  Load new FW
+ * b[9]		=  Load file play back FW
+ * b[10]	=  Disk format (0 for HD DVD and 1 for BLU ray)
+ * b[11]-b[15]	=  default output resolution
+ * b[16]	=  Skip TX CPB Buffer Check
+ * b[17]	=  Adaptive Output Encrypt/Scramble Scheme
+ * b[18]-b[31]	=  reserved for future use
+ */
+
+/* To allow multiple apps to open the device. */
+enum _DtsDeviceOpenMode {
+	DTS_PLAYBACK_MODE = 0,
+	DTS_DIAG_MODE,
+	DTS_MONITOR_MODE,
+	DTS_HWINIT_MODE
+};
+
+/* To enable the filter to selectively enable/disable fixes or erratas */
+enum _DtsDeviceFixMode {
+	DTS_LOAD_NEW_FW		= BC_BIT(8),
+	DTS_LOAD_FILE_PLAY_FW	= BC_BIT(9),
+	DTS_DISK_FMT_BD		= BC_BIT(10),
+	/* b[11]-b[15] : Default output resolution */
+	DTS_SKIP_TX_CHK_CPB	= BC_BIT(16),
+	DTS_ADAPTIVE_OUTPUT_PER	= BC_BIT(17),
+	DTS_INTELLIMAP		= BC_BIT(18),
+	/* b[19]-b[21] : select clock frequency */
+	DTS_PLAYBACK_DROP_RPT_MODE = BC_BIT(22)
+};
+
+#define DTS_DFLT_RESOLUTION(x)	(x<<11)
+
+#define DTS_DFLT_CLOCK(x) (x<<19)
+
+/* F/W File Version corresponding to S/W Releases */
+enum _FW_FILE_VER {
+	/* S/W release: 02.04.02	F/W release 2.12.2.0 */
+	BC_FW_VER_020402 = ((12<<16) | (2<<8) | (0))
+};
+
+/*------------------------------------------------------*
+ *    Stream Types for DtsOpenDecoder()			*
+ *------------------------------------------------------*/
+enum _DtsOpenDecStreamTypes {
+	BC_STREAM_TYPE_ES		= 0,
+	BC_STREAM_TYPE_PES		= 1,
+	BC_STREAM_TYPE_TS		= 2,
+	BC_STREAM_TYPE_ES_TSTAMP	= 6,
+};
+
+/*------------------------------------------------------*
+ *    Video Algorithms for DtsSetVideoParams()		*
+ *------------------------------------------------------*/
+enum _DtsSetVideoParamsAlgo {
+	BC_VID_ALGO_H264		= 0,
+	BC_VID_ALGO_MPEG2		= 1,
+	BC_VID_ALGO_VC1			= 4,
+	BC_VID_ALGO_VC1MP		= 7,
+};
+
+/*------------------------------------------------------*
+ *    MPEG Extension to the PPB				*
+ *------------------------------------------------------*/
+#define BC_MPEG_VALID_PANSCAN		(1)
+
+typedef struct _BC_PIB_EXT_MPEG {
+	uint32_t	valid;
+	/* Always valid,  defaults to picture size if no
+	 * sequence display extension in the stream. */
+	uint32_t	display_horizontal_size;
+	uint32_t	display_vertical_size;
+
+	/* MPEG_VALID_PANSCAN
+	 * Offsets are a copy values from the MPEG stream. */
+	uint32_t	offset_count;
+	int32_t		horizontal_offset[3];
+	int32_t		vertical_offset[3];
+
+} BC_PIB_EXT_MPEG;
+
+/*------------------------------------------------------*
+ *    H.264 Extension to the PPB			*
+ *------------------------------------------------------*/
+/* Bit definitions for 'other.h264.valid' field */
+#define H264_VALID_PANSCAN		(1)
+#define H264_VALID_SPS_CROP		(2)
+#define H264_VALID_VUI			(4)
+
+typedef struct _BC_PIB_EXT_H264 {
+	/* 'valid' specifies which fields (or sets of
+	 * fields) below are valid.  If the corresponding
+	 * bit in 'valid' is NOT set then that field(s)
+	 * is (are) not initialized. */
+	uint32_t	valid;
+
+	/* H264_VALID_PANSCAN */
+	uint32_t	pan_scan_count;
+	int32_t		pan_scan_left[3];
+	int32_t		pan_scan_right[3];
+	int32_t		pan_scan_top[3];
+	int32_t		pan_scan_bottom[3];
+
+	/* H264_VALID_SPS_CROP */
+	int32_t		sps_crop_left;
+	int32_t		sps_crop_right;
+	int32_t		sps_crop_top;
+	int32_t		sps_crop_bottom;
+
+	/* H264_VALID_VUI */
+	uint32_t	chroma_top;
+	uint32_t	chroma_bottom;
+
+} BC_PIB_EXT_H264;
+
+/*------------------------------------------------------*
+ *    VC1 Extension to the PPB				*
+ *------------------------------------------------------*/
+#define VC1_VALID_PANSCAN		(1)
+
+typedef struct _BC_PIB_EXT_VC1 {
+	uint32_t	valid;
+
+	/* Always valid, defaults to picture size if no
+	 * sequence display extension in the stream. */
+	uint32_t	display_horizontal_size;
+	uint32_t	display_vertical_size;
+
+	/* VC1 pan scan windows */
+	uint32_t	num_panscan_windows;
+	int32_t		ps_horiz_offset[4];
+	int32_t		ps_vert_offset[4];
+	int32_t		ps_width[4];
+	int32_t		ps_height[4];
+
+} BC_PIB_EXT_VC1;
+
+
+/*------------------------------------------------------*
+ *    Picture Information Block				*
+ *------------------------------------------------------*/
+#if defined(_WIN32) || defined(_WIN64) || defined(__LINUX_USER__)
+/* Values for 'pulldown' field.  '0' means no pulldown information
+ * was present for this picture. */
+enum {
+	vdecNoPulldownInfo	= 0,
+	vdecTop			= 1,
+	vdecBottom		= 2,
+	vdecTopBottom		= 3,
+	vdecBottomTop		= 4,
+	vdecTopBottomTop	= 5,
+	vdecBottomTopBottom	= 6,
+	vdecFrame_X2		= 7,
+	vdecFrame_X3		= 8,
+	vdecFrame_X1		= 9,
+	vdecFrame_X4		= 10,
+};
+
+/* Values for the 'frame_rate' field. */
+enum {
+	vdecFrameRateUnknown = 0,
+	vdecFrameRate23_97,
+	vdecFrameRate24,
+	vdecFrameRate25,
+	vdecFrameRate29_97,
+	vdecFrameRate30,
+	vdecFrameRate50,
+	vdecFrameRate59_94,
+	vdecFrameRate60,
+};
+
+/* Values for the 'aspect_ratio' field. */
+enum {
+	vdecAspectRatioUnknown = 0,
+	vdecAspectRatioSquare,
+	vdecAspectRatio12_11,
+	vdecAspectRatio10_11,
+	vdecAspectRatio16_11,
+	vdecAspectRatio40_33,
+	vdecAspectRatio24_11,
+	vdecAspectRatio20_11,
+	vdecAspectRatio32_11,
+	vdecAspectRatio80_33,
+	vdecAspectRatio18_11,
+	vdecAspectRatio15_11,
+	vdecAspectRatio64_33,
+	vdecAspectRatio160_99,
+	vdecAspectRatio4_3,
+	vdecAspectRatio16_9,
+	vdecAspectRatio221_1,
+	vdecAspectRatioOther = 255,
+};
+
+/* Values for the 'colour_primaries' field. */
+enum {
+	vdecColourPrimariesUnknown = 0,
+	vdecColourPrimariesBT709,
+	vdecColourPrimariesUnspecified,
+	vdecColourPrimariesReserved,
+	vdecColourPrimariesBT470_2M = 4,
+	vdecColourPrimariesBT470_2BG,
+	vdecColourPrimariesSMPTE170M,
+	vdecColourPrimariesSMPTE240M,
+	vdecColourPrimariesGenericFilm,
+};
+
+enum {
+	vdecRESOLUTION_CUSTOM	= 0x00000000, /* custom */
+	vdecRESOLUTION_480i	= 0x00000001, /* 480i */
+	vdecRESOLUTION_1080i	= 0x00000002, /* 1080i (1920x1080, 60i) */
+	vdecRESOLUTION_NTSC	= 0x00000003, /* NTSC (720x483, 60i) */
+	vdecRESOLUTION_480p	= 0x00000004, /* 480p (720x480, 60p) */
+	vdecRESOLUTION_720p	= 0x00000005, /* 720p (1280x720, 60p) */
+	vdecRESOLUTION_PAL1	= 0x00000006, /* PAL_1 (720x576, 50i) */
+	vdecRESOLUTION_1080i25	= 0x00000007, /* 1080i25 (1920x1080, 50i) */
+	vdecRESOLUTION_720p50	= 0x00000008, /* 720p50 (1280x720, 50p) */
+	vdecRESOLUTION_576p	= 0x00000009, /* 576p (720x576, 50p) */
+	vdecRESOLUTION_1080i29_97 = 0x0000000A, /* 1080i (1920x1080, 59.94i) */
+	vdecRESOLUTION_720p59_94  = 0x0000000B, /* 720p (1280x720, 59.94p) */
+	vdecRESOLUTION_SD_DVD	= 0x0000000C, /* SD DVD (720x483, 60i) */
+	vdecRESOLUTION_480p656	= 0x0000000D, /* 480p (720x480, 60p), output bus width 8 bit, clock 74.25MHz */
+	vdecRESOLUTION_1080p23_976 = 0x0000000E, /* 1080p23_976 (1920x1080, 23.976p) */
+	vdecRESOLUTION_720p23_976  = 0x0000000F, /* 720p23_976 (1280x720p, 23.976p) */
+	vdecRESOLUTION_240p29_97   = 0x00000010, /* 240p (1440x240, 29.97p ) */
+	vdecRESOLUTION_240p30	= 0x00000011, /* 240p (1440x240, 30p) */
+	vdecRESOLUTION_288p25	= 0x00000012, /* 288p (1440x288p, 25p) */
+	vdecRESOLUTION_1080p29_97 = 0x00000013, /* 1080p29_97 (1920x1080, 29.97p) */
+	vdecRESOLUTION_1080p30	= 0x00000014, /* 1080p30 (1920x1080, 30p) */
+	vdecRESOLUTION_1080p24	= 0x00000015, /* 1080p24 (1920x1080, 24p) */
+	vdecRESOLUTION_1080p25	= 0x00000016, /* 1080p25 (1920x1080, 25p) */
+	vdecRESOLUTION_720p24	= 0x00000017, /* 720p24 (1280x720, 25p) */
+	vdecRESOLUTION_720p29_97  = 0x00000018, /* 720p29.97 (1280x720, 29.97p) */
+	vdecRESOLUTION_480p23_976 = 0x00000019, /* 480p23.976 (720*480, 23.976) */
+	vdecRESOLUTION_480p29_97  = 0x0000001A, /* 480p29.976 (720*480, 29.97p) */
+	vdecRESOLUTION_576p25	= 0x0000001B, /* 576p25 (720*576, 25p) */
+	/* For Zero Frame Rate */
+	vdecRESOLUTION_480p0	= 0x0000001C, /* 480p (720x480, 0p) */
+	vdecRESOLUTION_480i0	= 0x0000001D, /* 480i (720x480, 0i) */
+	vdecRESOLUTION_576p0	= 0x0000001E, /* 576p (720x576, 0p) */
+	vdecRESOLUTION_720p0	= 0x0000001F, /* 720p (1280x720, 0p) */
+	vdecRESOLUTION_1080p0	= 0x00000020, /* 1080p (1920x1080, 0p) */
+	vdecRESOLUTION_1080i0	= 0x00000021, /* 1080i (1920x1080, 0i) */
+};
+
+/* Bit definitions for 'flags' field */
+#define VDEC_FLAG_EOS				(0x0004)
+
+#define VDEC_FLAG_FRAME				(0x0000)
+#define VDEC_FLAG_FIELDPAIR			(0x0008)
+#define VDEC_FLAG_TOPFIELD			(0x0010)
+#define VDEC_FLAG_BOTTOMFIELD			(0x0018)
+
+#define VDEC_FLAG_PROGRESSIVE_SRC		(0x0000)
+#define VDEC_FLAG_INTERLACED_SRC		(0x0020)
+#define VDEC_FLAG_UNKNOWN_SRC			(0x0040)
+
+#define VDEC_FLAG_BOTTOM_FIRST			(0x0080)
+#define VDEC_FLAG_LAST_PICTURE			(0x0100)
+
+#define VDEC_FLAG_PICTURE_META_DATA_PRESENT	(0x40000)
+
+#endif /* _WIN32 || _WIN64 */
+
+enum _BC_OUTPUT_FORMAT {
+	MODE420				= 0x0,
+	MODE422_YUY2			= 0x1,
+	MODE422_UYVY			= 0x2,
+};
+
+typedef struct _BC_PIC_INFO_BLOCK {
+	/* Common fields. */
+	uint64_t	timeStamp;	/* Timestamp */
+	uint32_t	picture_number;	/* Ordinal display number  */
+	uint32_t	width;		/* pixels	    */
+	uint32_t	height;		/* pixels	    */
+	uint32_t	chroma_format;	/* 0x420, 0x422 or 0x444 */
+	uint32_t	pulldown;
+	uint32_t	flags;
+	uint32_t	frame_rate;
+	uint32_t	aspect_ratio;
+	uint32_t	colour_primaries;
+	uint32_t	picture_meta_payload;
+	uint32_t	sess_num;
+	uint32_t	ycom;
+	uint32_t	custom_aspect_ratio_width_height;
+	uint32_t	n_drop;	/* number of non-reference frames remaining to be dropped */
+
+	/* Protocol-specific extensions. */
+	union {
+		BC_PIB_EXT_H264	h264;
+		BC_PIB_EXT_MPEG	mpeg;
+		BC_PIB_EXT_VC1	 vc1;
+	} other;
+
+} BC_PIC_INFO_BLOCK, *PBC_PIC_INFO_BLOCK;
+
+/*------------------------------------------------------*
+ *    ProcOut Info					*
+ *------------------------------------------------------*/
+/* Optional flags for ProcOut Interface.*/
+enum _POUT_OPTIONAL_IN_FLAGS_{
+	/* Flags from App to Device */
+	BC_POUT_FLAGS_YV12	  = 0x01,	/* Copy Data in YV12 format */
+	BC_POUT_FLAGS_STRIDE	  = 0x02,	/* Stride size is valid. */
+	BC_POUT_FLAGS_SIZE	  = 0x04,	/* Take size information from Application */
+	BC_POUT_FLAGS_INTERLACED  = 0x08,	/* copy only half the bytes */
+	BC_POUT_FLAGS_INTERLEAVED = 0x10,	/* interleaved frame */
+
+	/* Flags from Device to APP */
+	BC_POUT_FLAGS_FMT_CHANGE  = 0x10000,	/* Data is not VALID when this flag is set */
+	BC_POUT_FLAGS_PIB_VALID	  = 0x20000,	/* PIB Information valid */
+	BC_POUT_FLAGS_ENCRYPTED	  = 0x40000,	/* Data is encrypted. */
+	BC_POUT_FLAGS_FLD_BOT	  = 0x80000,	/* Bottom Field data */
+};
+
+#if defined(__KERNEL__) || defined(__LINUX_USER__)
+typedef BC_STATUS(*dts_pout_callback)(void  *shnd, uint32_t width, uint32_t height, uint32_t stride, void *pOut);
+#else
+typedef BC_STATUS(*dts_pout_callback)(void  *shnd, uint32_t width, uint32_t height, uint32_t stride, struct _BC_DTS_PROC_OUT *pOut);
+#endif
+
+/* Line 21 Closed Caption */
+/* User Data */
+#define MAX_UD_SIZE		1792	/* 1920 - 128 */
+
+typedef struct _BC_DTS_PROC_OUT {
+	uint8_t		*Ybuff;			/* Caller Supplied buffer for Y data */
+	uint32_t	YbuffSz;		/* Caller Supplied Y buffer size */
+	uint32_t	YBuffDoneSz;		/* Transferred Y datasize */
+
+	uint8_t		*UVbuff;		/* Caller Supplied buffer for UV data */
+	uint32_t	UVbuffSz;		/* Caller Supplied UV buffer size */
+	uint32_t	UVBuffDoneSz;		/* Transferred UV data size */
+
+	uint32_t	StrideSz;		/* Caller supplied Stride Size */
+	uint32_t	PoutFlags;		/* Call IN Flags */
+
+	uint32_t	discCnt;		/* Picture discontinuity count */
+
+	BC_PIC_INFO_BLOCK PicInfo;		/* Picture Information Block Data */
+
+	/* Line 21 Closed Caption */
+	/* User Data */
+	uint32_t	UserDataSz;
+	uint8_t		UserData[MAX_UD_SIZE];
+
+	void		*hnd;
+	dts_pout_callback AppCallBack;
+	uint8_t		DropFrames;
+	uint8_t		b422Mode;		/* Picture output Mode */
+	uint8_t		bPibEnc;		/* PIB encrypted */
+	uint8_t		bRevertScramble;
+
+} BC_DTS_PROC_OUT;
+
+typedef struct _BC_DTS_STATUS {
+	uint8_t		ReadyListCount;	/* Number of frames in ready list (reported by driver) */
+	uint8_t		FreeListCount;	/* Number of frame buffers free.  (reported by driver) */
+	uint8_t		PowerStateChange; /* Number of active state power transitions (reported by driver) */
+	uint8_t		reserved_[1];
+
+	uint32_t	FramesDropped;	/* Number of frames dropped.  (reported by DIL) */
+	uint32_t	FramesCaptured;	/* Number of frames captured. (reported by DIL) */
+	uint32_t	FramesRepeated;	/* Number of frames repeated. (reported by DIL) */
+
+	uint32_t	InputCount;	/* Times compressed video has been sent to the HW.
+					 * i.e. Successful DtsProcInput() calls (reported by DIL) */
+	uint64_t	InputTotalSize;	/* Amount of compressed video that has been sent to the HW.
+					 * (reported by DIL) */
+	uint32_t	InputBusyCount;	/* Times compressed video has attempted to be sent to the HW
+					 * but the input FIFO was full. (reported by DIL) */
+
+	uint32_t	PIBMissCount;	/* Amount of times a PIB is invalid. (reported by DIL) */
+
+	uint32_t	cpbEmptySize;	/* supported only for H.264, specifically changed for
+					 * Adobe. Report size of CPB buffer available.
+					 * Reported by DIL */
+	uint64_t	NextTimeStamp;	/* TimeStamp of the next picture that will be returned
+					 * by a call to ProcOutput. Added for Adobe. Reported
+					 * back from the driver */
+	uint8_t		reserved__[16];
+
+} BC_DTS_STATUS;
+
+#define BC_SWAP32(_v)			\
+	((((_v) & 0xFF000000)>>24)|	\
+	  (((_v) & 0x00FF0000)>>8)|	\
+	  (((_v) & 0x0000FF00)<<8)|	\
+	  (((_v) & 0x000000FF)<<24))
+
+#define WM_AGENT_TRAYICON_DECODER_OPEN	10001
+#define WM_AGENT_TRAYICON_DECODER_CLOSE	10002
+#define WM_AGENT_TRAYICON_DECODER_START	10003
+#define WM_AGENT_TRAYICON_DECODER_STOP	10004
+#define WM_AGENT_TRAYICON_DECODER_RUN	10005
+#define WM_AGENT_TRAYICON_DECODER_PAUSE	10006
+
+
+#endif	/* _BC_DTS_DEFS_H_ */
diff --git a/drivers/staging/crystalhd/bc_dts_glob_lnx.h b/drivers/staging/crystalhd/bc_dts_glob_lnx.h
new file mode 100644
index 000000000000..b3125e3e0372
--- /dev/null
+++ b/drivers/staging/crystalhd/bc_dts_glob_lnx.h
@@ -0,0 +1,299 @@
+/********************************************************************
+ * Copyright(c) 2006-2009 Broadcom Corporation.
+ *
+ *  Name: bc_dts_glob_lnx.h
+ *
+ *  Description: Wrapper to Windows dts_glob.h for Link-Linux usage.
+ *		 The idea is to define additional Linux related defs
+ *		 in this file to avoid changes to existing Windows
+ *		 glob file.
+ *
+ *  AU
+ *
+ *  HISTORY:
+ *
+ ********************************************************************
+ * This header is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 2.1 of the License.
+ *
+ * This header is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this header.  If not, see <http://www.gnu.org/licenses/>.
+ *******************************************************************/
+
+#ifndef _BC_DTS_GLOB_LNX_H_
+#define _BC_DTS_GLOB_LNX_H_
+
+#ifdef __LINUX_USER__
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <ctype.h>
+#include <string.h>
+#include <errno.h>
+#include <netdb.h>
+#include <sys/time.h>
+#include <time.h>
+#include <arpa/inet.h>
+#include <asm/param.h>
+#include <linux/ioctl.h>
+#include <sys/select.h>
+
+#define DRVIFLIB_INT_API
+
+#endif
+
+#include "bc_dts_defs.h"
+#include "bcm_70012_regs.h"	/* Link Register defs */
+
+#define CRYSTALHD_API_NAME	"crystalhd"
+#define CRYSTALHD_API_DEV_NAME	"/dev/crystalhd"
+
+/*
+ * These are SW stack tunable parameters shared
+ * between the driver and the application.
+ */
+enum _BC_DTS_GLOBALS {
+	BC_MAX_FW_CMD_BUFF_SZ	= 0x40,		/* FW passthrough cmd/rsp buffer size */
+	PCI_CFG_SIZE		= 256,		/* PCI config size buffer */
+	BC_IOCTL_DATA_POOL_SIZE	= 8,		/* BC_IOCTL_DATA Pool size */
+	BC_LINK_MAX_OPENS	= 3,		/* Maximum simultaneous opens*/
+	BC_LINK_MAX_SGLS	= 1024,		/* Maximum SG elements 4M/4K */
+	BC_TX_LIST_CNT		= 2,		/* Max Tx DMA Rings */
+	BC_RX_LIST_CNT		= 8,		/* Max Rx DMA Rings*/
+	BC_PROC_OUTPUT_TIMEOUT	= 3000,		/* Milliseconds */
+	BC_INFIFO_THRESHOLD	= 0x10000,
+};
+
+typedef struct _BC_CMD_REG_ACC {
+	uint32_t		Offset;
+	uint32_t		Value;
+} BC_CMD_REG_ACC;
+
+typedef struct _BC_CMD_DEV_MEM {
+	uint32_t		StartOff;
+	uint32_t		NumDwords;
+	uint32_t		Rsrd;
+} BC_CMD_DEV_MEM;
+
+/* FW Passthrough command structure */
+enum _bc_fw_cmd_flags {
+	BC_FW_CMD_FLAGS_NONE	= 0,
+	BC_FW_CMD_PIB_QS	= 0x01,
+};
+
+typedef struct _BC_FW_CMD {
+	uint32_t		cmd[BC_MAX_FW_CMD_BUFF_SZ];
+	uint32_t		rsp[BC_MAX_FW_CMD_BUFF_SZ];
+	uint32_t		flags;
+	uint32_t		add_data;
+} BC_FW_CMD, *PBC_FW_CMD;
+
+typedef struct _BC_HW_TYPE {
+	uint16_t		PciDevId;
+	uint16_t		PciVenId;
+	uint8_t			HwRev;
+	uint8_t			Align[3];
+} BC_HW_TYPE;
+
+typedef struct _BC_PCI_CFG {
+	uint32_t		Size;
+	uint32_t		Offset;
+	uint8_t			pci_cfg_space[PCI_CFG_SIZE];
+} BC_PCI_CFG;
+
+typedef struct _BC_VERSION_INFO_ {
+	uint8_t			DriverMajor;
+	uint8_t			DriverMinor;
+	uint16_t		DriverRevision;
+} BC_VERSION_INFO;
+
+typedef struct _BC_START_RX_CAP_ {
+	uint32_t		Rsrd;
+	uint32_t		StartDeliveryThsh;
+	uint32_t		PauseThsh;
+	uint32_t		ResumeThsh;
+} BC_START_RX_CAP;
+
+typedef struct _BC_FLUSH_RX_CAP_ {
+	uint32_t		Rsrd;
+	uint32_t		bDiscardOnly;
+} BC_FLUSH_RX_CAP;
+
+typedef struct _BC_DTS_STATS {
+	uint8_t			drvRLL;
+	uint8_t			drvFLL;
+	uint8_t			eosDetected;
+	uint8_t			pwr_state_change;
+
+	/* Stats from App */
+	uint32_t		opFrameDropped;
+	uint32_t		opFrameCaptured;
+	uint32_t		ipSampleCnt;
+	uint64_t		ipTotalSize;
+	uint32_t		reptdFrames;
+	uint32_t		pauseCount;
+	uint32_t		pibMisses;
+	uint32_t		discCounter;
+
+	/* Stats from Driver */
+	uint32_t		TxFifoBsyCnt;
+	uint32_t		intCount;
+	uint32_t		DrvIgnIntrCnt;
+	uint32_t		DrvTotalFrmDropped;
+	uint32_t		DrvTotalHWErrs;
+	uint32_t		DrvTotalPIBFlushCnt;
+	uint32_t		DrvTotalFrmCaptured;
+	uint32_t		DrvPIBMisses;
+	uint32_t		DrvPauseTime;
+	uint32_t		DrvRepeatedFrms;
+	uint32_t		res1[13];
+
+} BC_DTS_STATS;
+
+typedef struct _BC_PROC_INPUT_ {
+	uint8_t			*pDmaBuff;
+	uint32_t		BuffSz;
+	uint8_t			Mapped;
+	uint8_t			Encrypted;
+	uint8_t			Rsrd[2];
+	uint32_t		DramOffset;	/* For debug use only */
+} BC_PROC_INPUT, *PBC_PROC_INPUT;
+
+typedef struct _BC_DEC_YUV_BUFFS {
+	uint32_t		b422Mode;
+	uint8_t			*YuvBuff;
+	uint32_t		YuvBuffSz;
+	uint32_t		UVbuffOffset;
+	uint32_t		YBuffDoneSz;
+	uint32_t		UVBuffDoneSz;
+	uint32_t		RefCnt;
+} BC_DEC_YUV_BUFFS;
+
+enum _DECOUT_COMPLETION_FLAGS{
+	COMP_FLAG_NO_INFO	= 0x00,
+	COMP_FLAG_FMT_CHANGE	= 0x01,
+	COMP_FLAG_PIB_VALID	= 0x02,
+	COMP_FLAG_DATA_VALID	= 0x04,
+	COMP_FLAG_DATA_ENC	= 0x08,
+	COMP_FLAG_DATA_BOT	= 0x10,
+};
+
+typedef struct _BC_DEC_OUT_BUFF{
+	BC_DEC_YUV_BUFFS	OutPutBuffs;
+	BC_PIC_INFO_BLOCK	PibInfo;
+	uint32_t		Flags;
+	uint32_t		BadFrCnt;
+} BC_DEC_OUT_BUFF;
+
+typedef struct _BC_NOTIFY_MODE {
+	uint32_t		Mode;
+	uint32_t		Rsvr[3];
+} BC_NOTIFY_MODE;
+
+typedef struct _BC_CLOCK {
+	uint32_t		clk;
+	uint32_t		Rsvr[3];
+} BC_CLOCK;
+
+typedef struct _BC_IOCTL_DATA {
+	BC_STATUS		RetSts;
+	uint32_t		IoctlDataSz;
+	uint32_t		Timeout;
+	union {
+		BC_CMD_REG_ACC		regAcc;
+		BC_CMD_DEV_MEM		devMem;
+		BC_FW_CMD		fwCmd;
+		BC_HW_TYPE		hwType;
+		BC_PCI_CFG		pciCfg;
+		BC_VERSION_INFO		VerInfo;
+		BC_PROC_INPUT		ProcInput;
+		BC_DEC_YUV_BUFFS	RxBuffs;
+		BC_DEC_OUT_BUFF		DecOutData;
+		BC_START_RX_CAP		RxCap;
+		BC_FLUSH_RX_CAP		FlushRxCap;
+		BC_DTS_STATS		drvStat;
+		BC_NOTIFY_MODE		NotifyMode;
+		BC_CLOCK			clockValue;
+	} u;
+	struct _BC_IOCTL_DATA	*next;
+} BC_IOCTL_DATA;
+
+typedef enum _BC_DRV_CMD{
+	DRV_CMD_VERSION = 0,	/* Get SW version */
+	DRV_CMD_GET_HWTYPE,	/* Get HW version and type Dozer/Tank */
+	DRV_CMD_REG_RD,		/* Read Device Register */
+	DRV_CMD_REG_WR,		/* Write Device Register */
+	DRV_CMD_FPGA_RD,	/* Read FPGA Register */
+	DRV_CMD_FPGA_WR,	/* Wrtie FPGA Reister */
+	DRV_CMD_MEM_RD,		/* Read Device Memory */
+	DRV_CMD_MEM_WR,		/* Write Device Memory */
+	DRV_CMD_RD_PCI_CFG,	/* Read PCI Config Space */
+	DRV_CMD_WR_PCI_CFG,	/* Write the PCI Configuration Space*/
+	DRV_CMD_FW_DOWNLOAD,	/* Download Firmware */
+	DRV_ISSUE_FW_CMD,	/* Issue FW Cmd (pass through mode) */
+	DRV_CMD_PROC_INPUT,	/* Process Input Sample */
+	DRV_CMD_ADD_RXBUFFS,	/* Add Rx side buffers to driver pool */
+	DRV_CMD_FETCH_RXBUFF,	/* Get Rx DMAed buffer */
+	DRV_CMD_START_RX_CAP,	/* Start Rx Buffer Capture */
+	DRV_CMD_FLUSH_RX_CAP,	/* Stop the capture for now...we will enhance this later*/
+	DRV_CMD_GET_DRV_STAT,	/* Get Driver Internal Statistics */
+	DRV_CMD_RST_DRV_STAT,	/* Reset Driver Internal Statistics */
+	DRV_CMD_NOTIFY_MODE,	/* Notify the Mode to driver in which the application is Operating*/
+	DRV_CMD_CHANGE_CLOCK,	/* Change the core clock to either save power or improve performance */
+
+	/* MUST be the last one.. */
+	DRV_CMD_END,			/* End of the List.. */
+} BC_DRV_CMD;
+
+#define BC_IOC_BASE		'b'
+#define BC_IOC_VOID		_IOC_NONE
+#define BC_IOC_IOWR(nr, type)	_IOWR(BC_IOC_BASE, nr, type)
+#define BC_IOCTL_MB		BC_IOCTL_DATA
+
+#define	BCM_IOC_GET_VERSION	BC_IOC_IOWR(DRV_CMD_VERSION, BC_IOCTL_MB)
+#define	BCM_IOC_GET_HWTYPE	BC_IOC_IOWR(DRV_CMD_GET_HWTYPE, BC_IOCTL_MB)
+#define	BCM_IOC_REG_RD		BC_IOC_IOWR(DRV_CMD_REG_RD, BC_IOCTL_MB)
+#define	BCM_IOC_REG_WR		BC_IOC_IOWR(DRV_CMD_REG_WR, BC_IOCTL_MB)
+#define	BCM_IOC_MEM_RD		BC_IOC_IOWR(DRV_CMD_MEM_RD, BC_IOCTL_MB)
+#define	BCM_IOC_MEM_WR		BC_IOC_IOWR(DRV_CMD_MEM_WR, BC_IOCTL_MB)
+#define BCM_IOC_FPGA_RD		BC_IOC_IOWR(DRV_CMD_FPGA_RD, BC_IOCTL_MB)
+#define BCM_IOC_FPGA_WR		BC_IOC_IOWR(DRV_CMD_FPGA_WR, BC_IOCTL_MB)
+#define	BCM_IOC_RD_PCI_CFG	BC_IOC_IOWR(DRV_CMD_RD_PCI_CFG, BC_IOCTL_MB)
+#define	BCM_IOC_WR_PCI_CFG	BC_IOC_IOWR(DRV_CMD_WR_PCI_CFG, BC_IOCTL_MB)
+#define BCM_IOC_PROC_INPUT	BC_IOC_IOWR(DRV_CMD_PROC_INPUT, BC_IOCTL_MB)
+#define BCM_IOC_ADD_RXBUFFS	BC_IOC_IOWR(DRV_CMD_ADD_RXBUFFS, BC_IOCTL_MB)
+#define BCM_IOC_FETCH_RXBUFF	BC_IOC_IOWR(DRV_CMD_FETCH_RXBUFF, BC_IOCTL_MB)
+#define	BCM_IOC_FW_CMD		BC_IOC_IOWR(DRV_ISSUE_FW_CMD, BC_IOCTL_MB)
+#define	BCM_IOC_START_RX_CAP	BC_IOC_IOWR(DRV_CMD_START_RX_CAP, BC_IOCTL_MB)
+#define BCM_IOC_FLUSH_RX_CAP	BC_IOC_IOWR(DRV_CMD_FLUSH_RX_CAP, BC_IOCTL_MB)
+#define BCM_IOC_GET_DRV_STAT	BC_IOC_IOWR(DRV_CMD_GET_DRV_STAT, BC_IOCTL_MB)
+#define BCM_IOC_RST_DRV_STAT	BC_IOC_IOWR(DRV_CMD_RST_DRV_STAT, BC_IOCTL_MB)
+#define BCM_IOC_NOTIFY_MODE	BC_IOC_IOWR(DRV_CMD_NOTIFY_MODE, BC_IOCTL_MB)
+#define	BCM_IOC_FW_DOWNLOAD	BC_IOC_IOWR(DRV_CMD_FW_DOWNLOAD, BC_IOCTL_MB)
+#define BCM_IOC_CHG_CLK		BC_IOC_IOWR(DRV_CMD_CHANGE_CLOCK, BC_IOCTL_MB)
+#define	BCM_IOC_END		BC_IOC_VOID
+
+/* Wrapper for main IOCTL data */
+typedef struct _crystalhd_ioctl_data {
+	BC_IOCTL_DATA		udata;		/* IOCTL from App..*/
+	uint32_t		u_id;		/* Driver specific user ID */
+	uint32_t		cmd;		/* Cmd ID for driver's use. */
+	void			*add_cdata;	/* Additional command specific data..*/
+	uint32_t		add_cdata_sz;	/* Additional command specific data size */
+	struct _crystalhd_ioctl_data *next;	/* List/Fifo management */
+} crystalhd_ioctl_data;
+
+
+enum _crystalhd_kmod_ver{
+	crystalhd_kmod_major	= 0,
+	crystalhd_kmod_minor	= 9,
+	crystalhd_kmod_rev	= 27,
+};
+
+#endif
diff --git a/drivers/staging/crystalhd/bc_dts_types.h b/drivers/staging/crystalhd/bc_dts_types.h
new file mode 100644
index 000000000000..ac0c81717385
--- /dev/null
+++ b/drivers/staging/crystalhd/bc_dts_types.h
@@ -0,0 +1,121 @@
+/********************************************************************
+ * Copyright(c) 2006-2009 Broadcom Corporation.
+ *
+ *  Name: bc_dts_types.h
+ *
+ *  Description: Data types
+ *
+ *  AU
+ *
+ *  HISTORY:
+ *
+ ********************************************************************
+ * This header is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 2.1 of the License.
+ *
+ * This header is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this header.  If not, see <http://www.gnu.org/licenses/>.
+ *******************************************************************/
+
+#ifndef _BC_DTS_TYPES_H_
+#define _BC_DTS_TYPES_H_
+
+#ifdef __LINUX_USER__  // Don't include these for KERNEL..
+#include <stdint.h>
+#endif
+
+#if defined(_WIN64) || defined(_WIN32)
+typedef uint32_t		U32;
+typedef int32_t			S32;
+typedef uint16_t		U16;
+typedef int16_t			S16;
+typedef unsigned char		U8;
+typedef char			S8;
+#endif
+
+#ifndef PVOID
+typedef void	*PVOID;
+#endif
+
+#ifndef BOOL
+typedef int	BOOL;
+#endif
+
+#ifdef WIN32
+    typedef unsigned __int64	U64;
+#elif defined(_WIN64)
+    typedef uint64_t U64;
+#endif
+
+#ifdef _WIN64
+#if !(defined(POINTER_32))
+#define POINTER_32	__ptr32
+#endif
+#else	/* _WIN32 */
+#define POINTER_32
+#endif
+
+#if defined(__KERNEL__) || defined(__LINUX_USER__)
+
+#ifdef __LINUX_USER__	/* Don't include these for KERNEL */
+typedef uint32_t	ULONG;
+typedef int32_t		LONG;
+typedef void		*HANDLE;
+#ifndef VOID
+typedef void		VOID;
+#endif
+typedef void		*LPVOID;
+typedef uint32_t	DWORD;
+typedef uint32_t	UINT32;
+typedef uint32_t	*LPDWORD;
+typedef unsigned char	*PUCHAR;
+
+#ifndef TRUE
+	#define TRUE		1
+#endif
+
+#ifndef FALSE
+	#define FALSE		0
+#endif
+
+#define TEXT
+
+#else
+
+/* For Kernel usage.. */
+typedef bool	bc_bool_t;
+#endif
+
+#else
+
+#ifndef uint64_t
+typedef struct _uint64_t {
+	uint32_t low_dw;
+	uint32_t hi_dw;
+} uint64_t;
+#endif
+
+#ifndef int32_t
+typedef signed long		int32_t;
+#endif
+
+#ifndef uint32_t
+typedef unsigned long	uint32_t;
+#endif
+
+#ifndef uint16_t
+typedef unsigned short	uint16_t;
+#endif
+
+#ifndef uint8_t
+typedef unsigned char	uint8_t;
+#endif
+#endif
+
+#endif
+
diff --git a/drivers/staging/crystalhd/bcm_70012_regs.h b/drivers/staging/crystalhd/bcm_70012_regs.h
new file mode 100644
index 000000000000..6922f54e432f
--- /dev/null
+++ b/drivers/staging/crystalhd/bcm_70012_regs.h
@@ -0,0 +1,757 @@
+/***************************************************************************
+ * Copyright (c) 1999-2009, Broadcom Corporation.
+ *
+ *  Name: bcm_70012_regs.h
+ *
+ *  Description: BCM70012 registers
+ *
+ ********************************************************************
+ * This header is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation, either version 2.1 of the License.
+ *
+ * This header is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this header.  If not, see <http://www.gnu.org/licenses/>.
+ ***************************************************************************/
+
+#ifndef MACFILE_H__
+#define MACFILE_H__
+
+/**
+ * m = memory, c = core, r = register, f = field, d = data.
+ */
+#if !defined(GET_FIELD) && !defined(SET_FIELD)
+#define BRCM_ALIGN(c,r,f)   c##_##r##_##f##_ALIGN
+#define BRCM_BITS(c,r,f)    c##_##r##_##f##_BITS
+#define BRCM_MASK(c,r,f)    c##_##r##_##f##_MASK
+#define BRCM_SHIFT(c,r,f)   c##_##r##_##f##_SHIFT
+
+#define GET_FIELD(m,c,r,f) \
+	((((m) & BRCM_MASK(c,r,f)) >> BRCM_SHIFT(c,r,f)) << BRCM_ALIGN(c,r,f))
+
+#define SET_FIELD(m,c,r,f,d) \
+	((m) = (((m) & ~BRCM_MASK(c,r,f)) | ((((d) >> BRCM_ALIGN(c,r,f)) << \
+	 BRCM_SHIFT(c,r,f)) & BRCM_MASK(c,r,f))) \
+	)
+
+#define SET_TYPE_FIELD(m,c,r,f,d) SET_FIELD(m,c,r,f,c##_##d)
+#define SET_NAME_FIELD(m,c,r,f,d) SET_FIELD(m,c,r,f,c##_##r##_##f##_##d)
+#define SET_VALUE_FIELD(m,c,r,f,d) SET_FIELD(m,c,r,f,d)
+
+#endif /* GET & SET */
+
+/****************************************************************************
+ * Core Enums.
+ ***************************************************************************/
+/****************************************************************************
+ * Enums: AES_RGR_BRIDGE_RESET_CTRL
+ ***************************************************************************/
+#define AES_RGR_BRIDGE_RESET_CTRL_DEASSERT                 0
+#define AES_RGR_BRIDGE_RESET_CTRL_ASSERT                   1
+
+/****************************************************************************
+ * Enums: CCE_RGR_BRIDGE_RESET_CTRL
+ ***************************************************************************/
+#define CCE_RGR_BRIDGE_RESET_CTRL_DEASSERT                 0
+#define CCE_RGR_BRIDGE_RESET_CTRL_ASSERT                   1
+
+/****************************************************************************
+ * Enums: DBU_RGR_BRIDGE_RESET_CTRL
+ ***************************************************************************/
+#define DBU_RGR_BRIDGE_RESET_CTRL_DEASSERT                 0
+#define DBU_RGR_BRIDGE_RESET_CTRL_ASSERT                   1
+
+/****************************************************************************
+ * Enums: DCI_RGR_BRIDGE_RESET_CTRL
+ ***************************************************************************/
+#define DCI_RGR_BRIDGE_RESET_CTRL_DEASSERT                 0
+#define DCI_RGR_BRIDGE_RESET_CTRL_ASSERT                   1
+
+/****************************************************************************
+ * Enums: GISB_ARBITER_DEASSERT_ASSERT
+ ***************************************************************************/
+#define GISB_ARBITER_DEASSERT_ASSERT_DEASSERT              0
+#define GISB_ARBITER_DEASSERT_ASSERT_ASSERT                1
+
+/****************************************************************************
+ * Enums: GISB_ARBITER_UNMASK_MASK
+ ***************************************************************************/
+#define GISB_ARBITER_UNMASK_MASK_UNMASK                    0
+#define GISB_ARBITER_UNMASK_MASK_MASK                      1
+
+/****************************************************************************
+ * Enums: GISB_ARBITER_DISABLE_ENABLE
+ ***************************************************************************/
+#define GISB_ARBITER_DISABLE_ENABLE_DISABLE                0
+#define GISB_ARBITER_DISABLE_ENABLE_ENABLE                 1
+
+/****************************************************************************
+ * Enums: I2C_GR_BRIDGE_RESET_CTRL
+ ***************************************************************************/
+#define I2C_GR_BRIDGE_RESET_CTRL_DEASSERT                  0
+#define I2C_GR_BRIDGE_RESET_CTRL_ASSERT                    1
+
+/****************************************************************************
+ * Enums: MISC_GR_BRIDGE_RESET_CTRL
+ ***************************************************************************/
+#define MISC_GR_BRIDGE_RESET_CTRL_DEASSERT                 0
+#define MISC_GR_BRIDGE_RESET_CTRL_ASSERT                   1
+
+/****************************************************************************
+ * Enums: OTP_GR_BRIDGE_RESET_CTRL
+ ***************************************************************************/
+#define OTP_GR_BRIDGE_RESET_CTRL_DEASSERT                  0
+#define OTP_GR_BRIDGE_RESET_CTRL_ASSERT                    1
+
+/****************************************************************************
+ * BCM70012_TGT_TOP_PCIE_CFG
+ ***************************************************************************/
+#define PCIE_CFG_DEVICE_VENDOR_ID      0x00000000 /* DEVICE_VENDOR_ID Register */
+#define PCIE_CFG_STATUS_COMMAND        0x00000004 /* STATUS_COMMAND Register */
+#define PCIE_CFG_PCI_CLASSCODE_AND_REVISION_ID 0x00000008 /* PCI_CLASSCODE_AND_REVISION_ID Register */
+#define PCIE_CFG_BIST_HEADER_TYPE_LATENCY_TIMER_CACHE_LINE_SIZE 0x0000000c /* BIST_HEADER_TYPE_LATENCY_TIMER_CACHE_LINE_SIZE Register */
+#define PCIE_CFG_BASE_ADDRESS_1        0x00000010 /* BASE_ADDRESS_1 Register */
+#define PCIE_CFG_BASE_ADDRESS_2        0x00000014 /* BASE_ADDRESS_2 Register */
+#define PCIE_CFG_BASE_ADDRESS_3        0x00000018 /* BASE_ADDRESS_3 Register */
+#define PCIE_CFG_BASE_ADDRESS_4        0x0000001c /* BASE_ADDRESS_4 Register */
+#define PCIE_CFG_CARDBUS_CIS_POINTER   0x00000028 /* CARDBUS_CIS_POINTER Register */
+#define PCIE_CFG_SUBSYSTEM_DEVICE_VENDOR_ID 0x0000002c /* SUBSYSTEM_DEVICE_VENDOR_ID Register */
+#define PCIE_CFG_EXPANSION_ROM_BASE_ADDRESS 0x00000030 /* EXPANSION_ROM_BASE_ADDRESS Register */
+#define PCIE_CFG_CAPABILITIES_POINTER  0x00000034 /* CAPABILITIES_POINTER Register */
+#define PCIE_CFG_INTERRUPT             0x0000003c /* INTERRUPT Register */
+#define PCIE_CFG_VPD_CAPABILITIES      0x00000040 /* VPD_CAPABILITIES Register */
+#define PCIE_CFG_VPD_DATA              0x00000044 /* VPD_DATA Register */
+#define PCIE_CFG_POWER_MANAGEMENT_CAPABILITY 0x00000048 /* POWER_MANAGEMENT_CAPABILITY Register */
+#define PCIE_CFG_POWER_MANAGEMENT_CONTROL_STATUS 0x0000004c /* POWER_MANAGEMENT_CONTROL_STATUS Register */
+#define PCIE_CFG_MSI_CAPABILITY_HEADER 0x00000050 /* MSI_CAPABILITY_HEADER Register */
+#define PCIE_CFG_MSI_LOWER_ADDRESS     0x00000054 /* MSI_LOWER_ADDRESS Register */
+#define PCIE_CFG_MSI_UPPER_ADDRESS_REGISTER 0x00000058 /* MSI_UPPER_ADDRESS_REGISTER Register */
+#define PCIE_CFG_MSI_DATA              0x0000005c /* MSI_DATA Register */
+#define PCIE_CFG_BROADCOM_VENDOR_SPECIFIC_CAPABILITY_HEADER 0x00000060 /* BROADCOM_VENDOR_SPECIFIC_CAPABILITY_HEADER Register */
+#define PCIE_CFG_RESET_COUNTERS_INITIAL_VALUES 0x00000064 /* RESET_COUNTERS_INITIAL_VALUES Register */
+#define PCIE_CFG_MISCELLANEOUS_HOST_CONTROL 0x00000068 /* MISCELLANEOUS_HOST_CONTROL Register */
+#define PCIE_CFG_SPARE                 0x0000006c /* SPARE Register */
+#define PCIE_CFG_PCI_STATE             0x00000070 /* PCI_STATE Register */
+#define PCIE_CFG_CLOCK_CONTROL         0x00000074 /* CLOCK_CONTROL Register */
+#define PCIE_CFG_REGISTER_BASE         0x00000078 /* REGISTER_BASE Register */
+#define PCIE_CFG_MEMORY_BASE           0x0000007c /* MEMORY_BASE Register */
+#define PCIE_CFG_REGISTER_DATA         0x00000080 /* REGISTER_DATA Register */
+#define PCIE_CFG_MEMORY_DATA           0x00000084 /* MEMORY_DATA Register */
+#define PCIE_CFG_EXPANSION_ROM_BAR_SIZE 0x00000088 /* EXPANSION_ROM_BAR_SIZE Register */
+#define PCIE_CFG_EXPANSION_ROM_ADDRESS 0x0000008c /* EXPANSION_ROM_ADDRESS Register */
+#define PCIE_CFG_EXPANSION_ROM_DATA    0x00000090 /* EXPANSION_ROM_DATA Register */
+#define PCIE_CFG_VPD_INTERFACE         0x00000094 /* VPD_INTERFACE Register */
+#define PCIE_CFG_UNDI_RECEIVE_BD_STANDARD_PRODUCER_RING_PRODUCER_INDEX_MAILBOX_UPPER 0x00000098 /* UNDI_RECEIVE_BD_STANDARD_PRODUCER_RING_PRODUCER_INDEX_MAILBOX_UPPER Register */
+#define PCIE_CFG_UNDI_RECEIVE_BD_STANDARD_PRODUCER_RING_PRODUCER_INDEX_MAILBOX_LOWER 0x0000009c /* UNDI_RECEIVE_BD_STANDARD_PRODUCER_RING_PRODUCER_INDEX_MAILBOX_LOWER Register */
+#define PCIE_CFG_UNDI_RECEIVE_RETURN_RING_CONSUMER_INDEX_UPPER 0x000000a0 /* UNDI_RECEIVE_RETURN_RING_CONSUMER_INDEX_UPPER Register */
+#define PCIE_CFG_UNDI_RECEIVE_RETURN_RING_CONSUMER_INDEX_LOWER 0x000000a4 /* UNDI_RECEIVE_RETURN_RING_CONSUMER_INDEX_LOWER Register */
+#define PCIE_CFG_UNDI_SEND_BD_PRODUCER_INDEX_MAILBOX_UPPER 0x000000a8 /* UNDI_SEND_BD_PRODUCER_INDEX_MAILBOX_UPPER Register */
+#define PCIE_CFG_UNDI_SEND_BD_PRODUCER_INDEX_MAILBOX_LOWER 0x000000ac /* UNDI_SEND_BD_PRODUCER_INDEX_MAILBOX_LOWER Register */
+#define PCIE_CFG_INT_MAILBOX_UPPER     0x000000b0 /* INT_MAILBOX_UPPER Register */
+#define PCIE_CFG_INT_MAILBOX_LOWER     0x000000b4 /* INT_MAILBOX_LOWER Register */
+#define PCIE_CFG_PRODUCT_ID_AND_ASIC_REVISION 0x000000bc /* PRODUCT_ID_AND_ASIC_REVISION Register */
+#define PCIE_CFG_FUNCTION_EVENT        0x000000c0 /* FUNCTION_EVENT Register */
+#define PCIE_CFG_FUNCTION_EVENT_MASK   0x000000c4 /* FUNCTION_EVENT_MASK Register */
+#define PCIE_CFG_FUNCTION_PRESENT      0x000000c8 /* FUNCTION_PRESENT Register */
+#define PCIE_CFG_PCIE_CAPABILITIES     0x000000cc /* PCIE_CAPABILITIES Register */
+#define PCIE_CFG_DEVICE_CAPABILITIES   0x000000d0 /* DEVICE_CAPABILITIES Register */
+#define PCIE_CFG_DEVICE_STATUS_CONTROL 0x000000d4 /* DEVICE_STATUS_CONTROL Register */
+#define PCIE_CFG_LINK_CAPABILITY       0x000000d8 /* LINK_CAPABILITY Register */
+#define PCIE_CFG_LINK_STATUS_CONTROL   0x000000dc /* LINK_STATUS_CONTROL Register */
+#define PCIE_CFG_DEVICE_CAPABILITIES_2 0x000000f0 /* DEVICE_CAPABILITIES_2 Register */
+#define PCIE_CFG_DEVICE_STATUS_CONTROL_2 0x000000f4 /* DEVICE_STATUS_CONTROL_2 Register */
+#define PCIE_CFG_LINK_CAPABILITIES_2   0x000000f8 /* LINK_CAPABILITIES_2 Register */
+#define PCIE_CFG_LINK_STATUS_CONTROL_2 0x000000fc /* LINK_STATUS_CONTROL_2 Register */
+#define PCIE_CFG_ADVANCED_ERROR_REPORTING_ENHANCED_CAPABILITY_HEADER 0x00000100 /* ADVANCED_ERROR_REPORTING_ENHANCED_CAPABILITY_HEADER Register */
+#define PCIE_CFG_UNCORRECTABLE_ERROR_STATUS 0x00000104 /* UNCORRECTABLE_ERROR_STATUS Register */
+#define PCIE_CFG_UNCORRECTABLE_ERROR_MASK 0x00000108 /* UNCORRECTABLE_ERROR_MASK Register */
+#define PCIE_CFG_UNCORRECTABLE_ERROR_SEVERITY 0x0000010c /* UNCORRECTABLE_ERROR_SEVERITY Register */
+#define PCIE_CFG_CORRECTABLE_ERROR_STATUS 0x00000110 /* CORRECTABLE_ERROR_STATUS Register */
+#define PCIE_CFG_CORRECTABLE_ERROR_MASK 0x00000114 /* CORRECTABLE_ERROR_MASK Register */
+#define PCIE_CFG_ADVANCED_ERROR_CAPABILITIES_AND_CONTROL 0x00000118 /* ADVANCED_ERROR_CAPABILITIES_AND_CONTROL Register */
+#define PCIE_CFG_HEADER_LOG_1          0x0000011c /* HEADER_LOG_1 Register */
+#define PCIE_CFG_HEADER_LOG_2          0x00000120 /* HEADER_LOG_2 Register */
+#define PCIE_CFG_HEADER_LOG_3          0x00000124 /* HEADER_LOG_3 Register */
+#define PCIE_CFG_HEADER_LOG_4          0x00000128 /* HEADER_LOG_4 Register */
+#define PCIE_CFG_VIRTUAL_CHANNEL_ENHANCED_CAPABILITY_HEADER 0x0000013c /* VIRTUAL_CHANNEL_ENHANCED_CAPABILITY_HEADER Register */
+#define PCIE_CFG_PORT_VC_CAPABILITY    0x00000140 /* PORT_VC_CAPABILITY Register */
+#define PCIE_CFG_PORT_VC_CAPABILITY_2  0x00000144 /* PORT_VC_CAPABILITY_2 Register */
+#define PCIE_CFG_PORT_VC_STATUS_CONTROL 0x00000148 /* PORT_VC_STATUS_CONTROL Register */
+#define PCIE_CFG_VC_RESOURCE_CAPABILITY 0x0000014c /* VC_RESOURCE_CAPABILITY Register */
+#define PCIE_CFG_VC_RESOURCE_CONTROL   0x00000150 /* VC_RESOURCE_CONTROL Register */
+#define PCIE_CFG_VC_RESOURCE_STATUS    0x00000154 /* VC_RESOURCE_STATUS Register */
+#define PCIE_CFG_DEVICE_SERIAL_NO_ENHANCED_CAPABILITY_HEADER 0x00000160 /* DEVICE_SERIAL_NO_ENHANCED_CAPABILITY_HEADER Register */
+#define PCIE_CFG_DEVICE_SERIAL_NO_LOWER_DW 0x00000164 /* DEVICE_SERIAL_NO_LOWER_DW Register */
+#define PCIE_CFG_DEVICE_SERIAL_NO_UPPER_DW 0x00000168 /* DEVICE_SERIAL_NO_UPPER_DW Register */
+#define PCIE_CFG_POWER_BUDGETING_ENHANCED_CAPABILITY_HEADER 0x0000016c /* POWER_BUDGETING_ENHANCED_CAPABILITY_HEADER Register */
+#define PCIE_CFG_POWER_BUDGETING_DATA_SELECT 0x00000170 /* POWER_BUDGETING_DATA_SELECT Register */
+#define PCIE_CFG_POWER_BUDGETING_DATA  0x00000174 /* POWER_BUDGETING_DATA Register */
+#define PCIE_CFG_POWER_BUDGETING_CAPABILITY 0x00000178 /* POWER_BUDGETING_CAPABILITY Register */
+#define PCIE_CFG_FIRMWARE_POWER_BUDGETING_2_1 0x0000017c /* FIRMWARE_POWER_BUDGETING_2_1 Register */
+#define PCIE_CFG_FIRMWARE_POWER_BUDGETING_4_3 0x00000180 /* FIRMWARE_POWER_BUDGETING_4_3 Register */
+#define PCIE_CFG_FIRMWARE_POWER_BUDGETING_6_5 0x00000184 /* FIRMWARE_POWER_BUDGETING_6_5 Register */
+#define PCIE_CFG_FIRMWARE_POWER_BUDGETING_8_7 0x00000188 /* FIRMWARE_POWER_BUDGETING_8_7 Register */
+#define PCIE_CFG_PCIE_1_1_ADVISORY_NON_FATAL_ERROR_MASKING 0x0000018c /* PCIE_1_1_ADVISORY_NON_FATAL_ERROR_MASKING Register */
+
+
+/****************************************************************************
+ * BCM70012_TGT_TOP_PCIE_TL
+ ***************************************************************************/
+#define PCIE_TL_TL_CONTROL             0x00000400 /* TL_CONTROL Register */
+#define PCIE_TL_TRANSACTION_CONFIGURATION 0x00000404 /* TRANSACTION_CONFIGURATION Register */
+
+
+/****************************************************************************
+ * BCM70012_TGT_TOP_PCIE_DLL
+ ***************************************************************************/
+#define PCIE_DLL_DATA_LINK_CONTROL     0x00000500 /* DATA_LINK_CONTROL Register */
+#define PCIE_DLL_DATA_LINK_STATUS      0x00000504 /* DATA_LINK_STATUS Register */
+
+
+/****************************************************************************
+ * BCM70012_TGT_TOP_INTR
+ ***************************************************************************/
+#define INTR_INTR_STATUS               0x00000700 /* Interrupt Status Register */
+#define INTR_INTR_SET                  0x00000704 /* Interrupt Set Register */
+#define INTR_INTR_CLR_REG              0x00000708 /* Interrupt Clear Register */
+#define INTR_INTR_MSK_STS_REG          0x0000070c /* Interrupt Mask Status Register */
+#define INTR_INTR_MSK_SET_REG          0x00000710 /* Interrupt Mask Set Register */
+#define INTR_INTR_MSK_CLR_REG          0x00000714 /* Interrupt Mask Clear Register */
+#define INTR_EOI_CTRL                  0x00000720 /* End of interrupt control register */
+
+
+/****************************************************************************
+ * BCM70012_MISC_TOP_MISC1
+ ***************************************************************************/
+#define MISC1_TX_FIRST_DESC_L_ADDR_LIST0 0x00000c00 /* Tx DMA Descriptor List0 First Descriptor lower Address */
+#define MISC1_TX_FIRST_DESC_U_ADDR_LIST0 0x00000c04 /* Tx DMA Descriptor List0 First Descriptor Upper Address */
+#define MISC1_TX_FIRST_DESC_L_ADDR_LIST1 0x00000c08 /* Tx DMA Descriptor List1 First Descriptor Lower Address */
+#define MISC1_TX_FIRST_DESC_U_ADDR_LIST1 0x00000c0c /* Tx DMA Descriptor List1 First Descriptor Upper Address */
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS 0x00000c10 /* Tx DMA Software Descriptor List Control and Status */
+#define MISC1_TX_DMA_ERROR_STATUS      0x00000c18 /* Tx DMA Engine Error Status */
+#define MISC1_TX_DMA_LIST0_CUR_DESC_L_ADDR 0x00000c1c /* Tx DMA List0 Current Descriptor Lower Address */
+#define MISC1_TX_DMA_LIST0_CUR_DESC_U_ADDR 0x00000c20 /* Tx DMA List0 Current Descriptor Upper Address */
+#define MISC1_TX_DMA_LIST0_CUR_BYTE_CNT_REM 0x00000c24 /* Tx DMA List0 Current Descriptor Upper Address */
+#define MISC1_TX_DMA_LIST1_CUR_DESC_L_ADDR 0x00000c28 /* Tx DMA List1 Current Descriptor Lower Address */
+#define MISC1_TX_DMA_LIST1_CUR_DESC_U_ADDR 0x00000c2c /* Tx DMA List1 Current Descriptor Upper Address */
+#define MISC1_TX_DMA_LIST1_CUR_BYTE_CNT_REM 0x00000c30 /* Tx DMA List1 Current Descriptor Upper Address */
+#define MISC1_Y_RX_FIRST_DESC_L_ADDR_LIST0 0x00000c34 /* Y Rx Descriptor List0 First Descriptor Lower Address */
+#define MISC1_Y_RX_FIRST_DESC_U_ADDR_LIST0 0x00000c38 /* Y Rx Descriptor List0 First Descriptor Upper Address */
+#define MISC1_Y_RX_FIRST_DESC_L_ADDR_LIST1 0x00000c3c /* Y Rx Descriptor List1 First Descriptor Lower Address */
+#define MISC1_Y_RX_FIRST_DESC_U_ADDR_LIST1 0x00000c40 /* Y Rx Descriptor List1 First Descriptor Upper Address */
+#define MISC1_Y_RX_SW_DESC_LIST_CTRL_STS 0x00000c44 /* Y Rx Software Descriptor List Control and Status */
+#define MISC1_Y_RX_ERROR_STATUS        0x00000c4c /* Y Rx Engine Error Status */
+#define MISC1_Y_RX_LIST0_CUR_DESC_L_ADDR 0x00000c50 /* Y Rx List0 Current Descriptor Lower Address */
+#define MISC1_Y_RX_LIST0_CUR_DESC_U_ADDR 0x00000c54 /* Y Rx List0 Current Descriptor Upper Address */
+#define MISC1_Y_RX_LIST0_CUR_BYTE_CNT  0x00000c58 /* Y Rx List0 Current Descriptor Byte Count */
+#define MISC1_Y_RX_LIST1_CUR_DESC_L_ADDR 0x00000c5c /* Y Rx List1 Current Descriptor Lower address */
+#define MISC1_Y_RX_LIST1_CUR_DESC_U_ADDR 0x00000c60 /* Y Rx List1 Current Descriptor Upper address */
+#define MISC1_Y_RX_LIST1_CUR_BYTE_CNT  0x00000c64 /* Y Rx List1 Current Descriptor Byte Count */
+#define MISC1_UV_RX_FIRST_DESC_L_ADDR_LIST0 0x00000c68 /* UV Rx Descriptor List0 First Descriptor lower Address */
+#define MISC1_UV_RX_FIRST_DESC_U_ADDR_LIST0 0x00000c6c /* UV Rx Descriptor List0 First Descriptor Upper Address */
+#define MISC1_UV_RX_FIRST_DESC_L_ADDR_LIST1 0x00000c70 /* UV Rx Descriptor List1 First Descriptor Lower Address */
+#define MISC1_UV_RX_FIRST_DESC_U_ADDR_LIST1 0x00000c74 /* UV Rx Descriptor List1 First Descriptor Upper Address */
+#define MISC1_UV_RX_SW_DESC_LIST_CTRL_STS 0x00000c78 /* UV Rx Software Descriptor List Control and Status */
+#define MISC1_UV_RX_ERROR_STATUS       0x00000c7c /* UV Rx Engine Error Status */
+#define MISC1_UV_RX_LIST0_CUR_DESC_L_ADDR 0x00000c80 /* UV Rx List0 Current Descriptor Lower Address */
+#define MISC1_UV_RX_LIST0_CUR_DESC_U_ADDR 0x00000c84 /* UV Rx List0 Current Descriptor Upper Address */
+#define MISC1_UV_RX_LIST0_CUR_BYTE_CNT 0x00000c88 /* UV Rx List0 Current Descriptor Byte Count */
+#define MISC1_UV_RX_LIST1_CUR_DESC_L_ADDR 0x00000c8c /* UV Rx List1 Current Descriptor Lower Address */
+#define MISC1_UV_RX_LIST1_CUR_DESC_U_ADDR 0x00000c90 /* UV Rx List1 Current Descriptor Upper Address */
+#define MISC1_UV_RX_LIST1_CUR_BYTE_CNT 0x00000c94 /* UV Rx List1 Current Descriptor Byte Count */
+#define MISC1_DMA_DEBUG_OPTIONS_REG    0x00000c98 /* DMA Debug Options Register */
+#define MISC1_READ_CHANNEL_ERROR_STATUS 0x00000c9c /* Read Channel Error Status */
+#define MISC1_PCIE_DMA_CTRL            0x00000ca0 /* PCIE DMA Control Register */
+
+
+/****************************************************************************
+ * BCM70012_MISC_TOP_MISC2
+ ***************************************************************************/
+#define MISC2_GLOBAL_CTRL              0x00000d00 /* Global Control Register */
+#define MISC2_INTERNAL_STATUS          0x00000d04 /* Internal Status Register */
+#define MISC2_INTERNAL_STATUS_MUX_CTRL 0x00000d08 /* Internal Debug Mux Control */
+#define MISC2_DEBUG_FIFO_LENGTH        0x00000d0c /* Debug FIFO Length */
+
+
+/****************************************************************************
+ * BCM70012_MISC_TOP_MISC3
+ ***************************************************************************/
+#define MISC3_RESET_CTRL               0x00000e00 /* Reset Control Register */
+#define MISC3_BIST_CTRL                0x00000e04 /* BIST Control Register */
+#define MISC3_BIST_STATUS              0x00000e08 /* BIST Status Register */
+#define MISC3_RX_CHECKSUM              0x00000e0c /* Receive Checksum */
+#define MISC3_TX_CHECKSUM              0x00000e10 /* Transmit Checksum */
+#define MISC3_ECO_CTRL_CORE            0x00000e14 /* ECO Core Reset Control Register */
+#define MISC3_CSI_TEST_CTRL            0x00000e18 /* CSI Test Control Register */
+#define MISC3_HD_DVI_TEST_CTRL         0x00000e1c /* HD DVI Test Control Register */
+
+
+/****************************************************************************
+ * BCM70012_MISC_TOP_MISC_PERST
+ ***************************************************************************/
+#define MISC_PERST_ECO_CTRL_PERST      0x00000e80 /* ECO PCIE Reset Control Register */
+#define MISC_PERST_DECODER_CTRL        0x00000e84 /* Decoder Control Register */
+#define MISC_PERST_CCE_STATUS          0x00000e88 /* Config Copy Engine Status */
+#define MISC_PERST_PCIE_DEBUG          0x00000e8c /* PCIE Debug Control Register */
+#define MISC_PERST_PCIE_DEBUG_STATUS   0x00000e90 /* PCIE Debug Status Register */
+#define MISC_PERST_VREG_CTRL           0x00000e94 /* Voltage Regulator Control Register */
+#define MISC_PERST_MEM_CTRL            0x00000e98 /* Memory Control Register */
+#define MISC_PERST_CLOCK_CTRL          0x00000e9c /* Clock Control Register */
+
+
+/****************************************************************************
+ * BCM70012_MISC_TOP_GISB_ARBITER
+ ***************************************************************************/
+#define GISB_ARBITER_REVISION          0x00000f00 /* GISB ARBITER REVISION */
+#define GISB_ARBITER_SCRATCH           0x00000f04 /* GISB ARBITER Scratch Register */
+#define GISB_ARBITER_REQ_MASK          0x00000f08 /* GISB ARBITER Master Request Mask Register */
+#define GISB_ARBITER_TIMER             0x00000f0c /* GISB ARBITER Timer Value Register */
+
+
+/****************************************************************************
+ * BCM70012_OTP_TOP_OTP
+ ***************************************************************************/
+#define OTP_CONFIG_INFO                0x00001400 /* OTP Configuration Register */
+#define OTP_CMD                        0x00001404 /* OTP Command Register */
+#define OTP_STATUS                     0x00001408 /* OTP Status Register */
+#define OTP_CONTENT_MISC               0x0000140c /* Content : Miscellaneous Register */
+#define OTP_CONTENT_AES_0              0x00001410 /* Content : AES Key 0 Register */
+#define OTP_CONTENT_AES_1              0x00001414 /* Content : AES Key 1 Register */
+#define OTP_CONTENT_AES_2              0x00001418 /* Content : AES Key 2 Register */
+#define OTP_CONTENT_AES_3              0x0000141c /* Content : AES Key 3 Register */
+#define OTP_CONTENT_SHA_0              0x00001420 /* Content : SHA Key 0 Register */
+#define OTP_CONTENT_SHA_1              0x00001424 /* Content : SHA Key 1 Register */
+#define OTP_CONTENT_SHA_2              0x00001428 /* Content : SHA Key 2 Register */
+#define OTP_CONTENT_SHA_3              0x0000142c /* Content : SHA Key 3 Register */
+#define OTP_CONTENT_SHA_4              0x00001430 /* Content : SHA Key 4 Register */
+#define OTP_CONTENT_SHA_5              0x00001434 /* Content : SHA Key 5 Register */
+#define OTP_CONTENT_SHA_6              0x00001438 /* Content : SHA Key 6 Register */
+#define OTP_CONTENT_SHA_7              0x0000143c /* Content : SHA Key 7 Register */
+#define OTP_CONTENT_CHECKSUM           0x00001440 /* Content : Checksum  Register */
+#define OTP_PROG_CTRL                  0x00001444 /* Programming Control Register */
+#define OTP_PROG_STATUS                0x00001448 /* Programming Status Register */
+#define OTP_PROG_PULSE                 0x0000144c /* Program Pulse Width Register */
+#define OTP_VERIFY_PULSE               0x00001450 /* Verify Pulse Width Register */
+#define OTP_PROG_MASK                  0x00001454 /* Program Mask Register */
+#define OTP_DATA_INPUT                 0x00001458 /* Data Input Register */
+#define OTP_DATA_OUTPUT                0x0000145c /* Data Output Register */
+
+
+/****************************************************************************
+ * BCM70012_AES_TOP_AES
+ ***************************************************************************/
+#define AES_CONFIG_INFO                0x00001800 /* AES Configuration Information Register */
+#define AES_CMD                        0x00001804 /* AES Command Register */
+#define AES_STATUS                     0x00001808 /* AES Status Register */
+#define AES_EEPROM_CONFIG              0x0000180c /* AES EEPROM Configuration Register */
+#define AES_EEPROM_DATA_0              0x00001810 /* AES EEPROM Data Register 0 */
+#define AES_EEPROM_DATA_1              0x00001814 /* AES EEPROM Data Register 1 */
+#define AES_EEPROM_DATA_2              0x00001818 /* AES EEPROM Data Register 2 */
+#define AES_EEPROM_DATA_3              0x0000181c /* AES EEPROM Data Register 3 */
+
+
+/****************************************************************************
+ * BCM70012_DCI_TOP_DCI
+ ***************************************************************************/
+#define DCI_CMD                        0x00001c00 /* DCI Command Register */
+#define DCI_STATUS                     0x00001c04 /* DCI Status Register */
+#define DCI_DRAM_BASE_ADDR             0x00001c08 /* DRAM Base Address Register */
+#define DCI_FIRMWARE_ADDR              0x00001c0c /* Firmware Address Register */
+#define DCI_FIRMWARE_DATA              0x00001c10 /* Firmware Data Register */
+#define DCI_SIGNATURE_DATA_0           0x00001c14 /* Signature Data Register 0 */
+#define DCI_SIGNATURE_DATA_1           0x00001c18 /* Signature Data Register 1 */
+#define DCI_SIGNATURE_DATA_2           0x00001c1c /* Signature Data Register 2 */
+#define DCI_SIGNATURE_DATA_3           0x00001c20 /* Signature Data Register 3 */
+#define DCI_SIGNATURE_DATA_4           0x00001c24 /* Signature Data Register 4 */
+#define DCI_SIGNATURE_DATA_5           0x00001c28 /* Signature Data Register 5 */
+#define DCI_SIGNATURE_DATA_6           0x00001c2c /* Signature Data Register 6 */
+#define DCI_SIGNATURE_DATA_7           0x00001c30 /* Signature Data Register 7 */
+
+
+/****************************************************************************
+ * BCM70012_TGT_TOP_INTR
+ ***************************************************************************/
+/****************************************************************************
+ * INTR :: INTR_STATUS
+ ***************************************************************************/
+/* INTR :: INTR_STATUS :: reserved0 [31:26] */
+#define INTR_INTR_STATUS_reserved0_MASK                            0xfc000000
+#define INTR_INTR_STATUS_reserved0_ALIGN                           0
+#define INTR_INTR_STATUS_reserved0_BITS                            6
+#define INTR_INTR_STATUS_reserved0_SHIFT                           26
+
+/* INTR :: INTR_STATUS :: PCIE_TGT_CA_ATTN [25:25] */
+#define INTR_INTR_STATUS_PCIE_TGT_CA_ATTN_MASK                     0x02000000
+#define INTR_INTR_STATUS_PCIE_TGT_CA_ATTN_ALIGN                    0
+#define INTR_INTR_STATUS_PCIE_TGT_CA_ATTN_BITS                     1
+#define INTR_INTR_STATUS_PCIE_TGT_CA_ATTN_SHIFT                    25
+
+/* INTR :: INTR_STATUS :: PCIE_TGT_UR_ATTN [24:24] */
+#define INTR_INTR_STATUS_PCIE_TGT_UR_ATTN_MASK                     0x01000000
+#define INTR_INTR_STATUS_PCIE_TGT_UR_ATTN_ALIGN                    0
+#define INTR_INTR_STATUS_PCIE_TGT_UR_ATTN_BITS                     1
+#define INTR_INTR_STATUS_PCIE_TGT_UR_ATTN_SHIFT                    24
+
+/* INTR :: INTR_STATUS :: reserved1 [23:14] */
+#define INTR_INTR_STATUS_reserved1_MASK                            0x00ffc000
+#define INTR_INTR_STATUS_reserved1_ALIGN                           0
+#define INTR_INTR_STATUS_reserved1_BITS                            10
+#define INTR_INTR_STATUS_reserved1_SHIFT                           14
+
+/* INTR :: INTR_STATUS :: L1_UV_RX_DMA_ERR_INTR [13:13] */
+#define INTR_INTR_STATUS_L1_UV_RX_DMA_ERR_INTR_MASK                0x00002000
+#define INTR_INTR_STATUS_L1_UV_RX_DMA_ERR_INTR_ALIGN               0
+#define INTR_INTR_STATUS_L1_UV_RX_DMA_ERR_INTR_BITS                1
+#define INTR_INTR_STATUS_L1_UV_RX_DMA_ERR_INTR_SHIFT               13
+
+/* INTR :: INTR_STATUS :: L1_UV_RX_DMA_DONE_INTR [12:12] */
+#define INTR_INTR_STATUS_L1_UV_RX_DMA_DONE_INTR_MASK               0x00001000
+#define INTR_INTR_STATUS_L1_UV_RX_DMA_DONE_INTR_ALIGN              0
+#define INTR_INTR_STATUS_L1_UV_RX_DMA_DONE_INTR_BITS               1
+#define INTR_INTR_STATUS_L1_UV_RX_DMA_DONE_INTR_SHIFT              12
+
+/* INTR :: INTR_STATUS :: L1_Y_RX_DMA_ERR_INTR [11:11] */
+#define INTR_INTR_STATUS_L1_Y_RX_DMA_ERR_INTR_MASK                 0x00000800
+#define INTR_INTR_STATUS_L1_Y_RX_DMA_ERR_INTR_ALIGN                0
+#define INTR_INTR_STATUS_L1_Y_RX_DMA_ERR_INTR_BITS                 1
+#define INTR_INTR_STATUS_L1_Y_RX_DMA_ERR_INTR_SHIFT                11
+
+/* INTR :: INTR_STATUS :: L1_Y_RX_DMA_DONE_INTR [10:10] */
+#define INTR_INTR_STATUS_L1_Y_RX_DMA_DONE_INTR_MASK                0x00000400
+#define INTR_INTR_STATUS_L1_Y_RX_DMA_DONE_INTR_ALIGN               0
+#define INTR_INTR_STATUS_L1_Y_RX_DMA_DONE_INTR_BITS                1
+#define INTR_INTR_STATUS_L1_Y_RX_DMA_DONE_INTR_SHIFT               10
+
+/* INTR :: INTR_STATUS :: L1_TX_DMA_ERR_INTR [09:09] */
+#define INTR_INTR_STATUS_L1_TX_DMA_ERR_INTR_MASK                   0x00000200
+#define INTR_INTR_STATUS_L1_TX_DMA_ERR_INTR_ALIGN                  0
+#define INTR_INTR_STATUS_L1_TX_DMA_ERR_INTR_BITS                   1
+#define INTR_INTR_STATUS_L1_TX_DMA_ERR_INTR_SHIFT                  9
+
+/* INTR :: INTR_STATUS :: L1_TX_DMA_DONE_INTR [08:08] */
+#define INTR_INTR_STATUS_L1_TX_DMA_DONE_INTR_MASK                  0x00000100
+#define INTR_INTR_STATUS_L1_TX_DMA_DONE_INTR_ALIGN                 0
+#define INTR_INTR_STATUS_L1_TX_DMA_DONE_INTR_BITS                  1
+#define INTR_INTR_STATUS_L1_TX_DMA_DONE_INTR_SHIFT                 8
+
+/* INTR :: INTR_STATUS :: reserved2 [07:06] */
+#define INTR_INTR_STATUS_reserved2_MASK                            0x000000c0
+#define INTR_INTR_STATUS_reserved2_ALIGN                           0
+#define INTR_INTR_STATUS_reserved2_BITS                            2
+#define INTR_INTR_STATUS_reserved2_SHIFT                           6
+
+/* INTR :: INTR_STATUS :: L0_UV_RX_DMA_ERR_INTR [05:05] */
+#define INTR_INTR_STATUS_L0_UV_RX_DMA_ERR_INTR_MASK                0x00000020
+#define INTR_INTR_STATUS_L0_UV_RX_DMA_ERR_INTR_ALIGN               0
+#define INTR_INTR_STATUS_L0_UV_RX_DMA_ERR_INTR_BITS                1
+#define INTR_INTR_STATUS_L0_UV_RX_DMA_ERR_INTR_SHIFT               5
+
+/* INTR :: INTR_STATUS :: L0_UV_RX_DMA_DONE_INTR [04:04] */
+#define INTR_INTR_STATUS_L0_UV_RX_DMA_DONE_INTR_MASK               0x00000010
+#define INTR_INTR_STATUS_L0_UV_RX_DMA_DONE_INTR_ALIGN              0
+#define INTR_INTR_STATUS_L0_UV_RX_DMA_DONE_INTR_BITS               1
+#define INTR_INTR_STATUS_L0_UV_RX_DMA_DONE_INTR_SHIFT              4
+
+/* INTR :: INTR_STATUS :: L0_Y_RX_DMA_ERR_INTR [03:03] */
+#define INTR_INTR_STATUS_L0_Y_RX_DMA_ERR_INTR_MASK                 0x00000008
+#define INTR_INTR_STATUS_L0_Y_RX_DMA_ERR_INTR_ALIGN                0
+#define INTR_INTR_STATUS_L0_Y_RX_DMA_ERR_INTR_BITS                 1
+#define INTR_INTR_STATUS_L0_Y_RX_DMA_ERR_INTR_SHIFT                3
+
+/* INTR :: INTR_STATUS :: L0_Y_RX_DMA_DONE_INTR [02:02] */
+#define INTR_INTR_STATUS_L0_Y_RX_DMA_DONE_INTR_MASK                0x00000004
+#define INTR_INTR_STATUS_L0_Y_RX_DMA_DONE_INTR_ALIGN               0
+#define INTR_INTR_STATUS_L0_Y_RX_DMA_DONE_INTR_BITS                1
+#define INTR_INTR_STATUS_L0_Y_RX_DMA_DONE_INTR_SHIFT               2
+
+/* INTR :: INTR_STATUS :: L0_TX_DMA_ERR_INTR [01:01] */
+#define INTR_INTR_STATUS_L0_TX_DMA_ERR_INTR_MASK                   0x00000002
+#define INTR_INTR_STATUS_L0_TX_DMA_ERR_INTR_ALIGN                  0
+#define INTR_INTR_STATUS_L0_TX_DMA_ERR_INTR_BITS                   1
+#define INTR_INTR_STATUS_L0_TX_DMA_ERR_INTR_SHIFT                  1
+
+/* INTR :: INTR_STATUS :: L0_TX_DMA_DONE_INTR [00:00] */
+#define INTR_INTR_STATUS_L0_TX_DMA_DONE_INTR_MASK                  0x00000001
+#define INTR_INTR_STATUS_L0_TX_DMA_DONE_INTR_ALIGN                 0
+#define INTR_INTR_STATUS_L0_TX_DMA_DONE_INTR_BITS                  1
+#define INTR_INTR_STATUS_L0_TX_DMA_DONE_INTR_SHIFT                 0
+
+
+/****************************************************************************
+ * MISC1 :: TX_SW_DESC_LIST_CTRL_STS
+ ***************************************************************************/
+/* MISC1 :: TX_SW_DESC_LIST_CTRL_STS :: reserved0 [31:04] */
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_reserved0_MASK              0xfffffff0
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_reserved0_ALIGN             0
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_reserved0_BITS              28
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_reserved0_SHIFT             4
+
+/* MISC1 :: TX_SW_DESC_LIST_CTRL_STS :: DMA_DATA_SERV_PTR [03:03] */
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_DMA_DATA_SERV_PTR_MASK      0x00000008
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_DMA_DATA_SERV_PTR_ALIGN     0
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_DMA_DATA_SERV_PTR_BITS      1
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_DMA_DATA_SERV_PTR_SHIFT     3
+
+/* MISC1 :: TX_SW_DESC_LIST_CTRL_STS :: DESC_SERV_PTR [02:02] */
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_DESC_SERV_PTR_MASK          0x00000004
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_DESC_SERV_PTR_ALIGN         0
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_DESC_SERV_PTR_BITS          1
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_DESC_SERV_PTR_SHIFT         2
+
+/* MISC1 :: TX_SW_DESC_LIST_CTRL_STS :: TX_DMA_HALT_ON_ERROR [01:01] */
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_TX_DMA_HALT_ON_ERROR_MASK   0x00000002
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_TX_DMA_HALT_ON_ERROR_ALIGN  0
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_TX_DMA_HALT_ON_ERROR_BITS   1
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_TX_DMA_HALT_ON_ERROR_SHIFT  1
+
+/* MISC1 :: TX_SW_DESC_LIST_CTRL_STS :: TX_DMA_RUN_STOP [00:00] */
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_TX_DMA_RUN_STOP_MASK        0x00000001
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_TX_DMA_RUN_STOP_ALIGN       0
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_TX_DMA_RUN_STOP_BITS        1
+#define MISC1_TX_SW_DESC_LIST_CTRL_STS_TX_DMA_RUN_STOP_SHIFT       0
+
+
+/****************************************************************************
+ * MISC1 :: TX_DMA_ERROR_STATUS
+ ***************************************************************************/
+/* MISC1 :: TX_DMA_ERROR_STATUS :: reserved0 [31:10] */
+#define MISC1_TX_DMA_ERROR_STATUS_reserved0_MASK                   0xfffffc00
+#define MISC1_TX_DMA_ERROR_STATUS_reserved0_ALIGN                  0
+#define MISC1_TX_DMA_ERROR_STATUS_reserved0_BITS                   22
+#define MISC1_TX_DMA_ERROR_STATUS_reserved0_SHIFT                  10
+
+/* MISC1 :: TX_DMA_ERROR_STATUS :: TX_L1_DESC_TX_ABORT_ERRORS [09:09] */
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L1_DESC_TX_ABORT_ERRORS_MASK  0x00000200
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L1_DESC_TX_ABORT_ERRORS_ALIGN 0
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L1_DESC_TX_ABORT_ERRORS_BITS  1
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L1_DESC_TX_ABORT_ERRORS_SHIFT 9
+
+/* MISC1 :: TX_DMA_ERROR_STATUS :: reserved1 [08:08] */
+#define MISC1_TX_DMA_ERROR_STATUS_reserved1_MASK                   0x00000100
+#define MISC1_TX_DMA_ERROR_STATUS_reserved1_ALIGN                  0
+#define MISC1_TX_DMA_ERROR_STATUS_reserved1_BITS                   1
+#define MISC1_TX_DMA_ERROR_STATUS_reserved1_SHIFT                  8
+
+/* MISC1 :: TX_DMA_ERROR_STATUS :: TX_L0_DESC_TX_ABORT_ERRORS [07:07] */
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L0_DESC_TX_ABORT_ERRORS_MASK  0x00000080
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L0_DESC_TX_ABORT_ERRORS_ALIGN 0
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L0_DESC_TX_ABORT_ERRORS_BITS  1
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L0_DESC_TX_ABORT_ERRORS_SHIFT 7
+
+/* MISC1 :: TX_DMA_ERROR_STATUS :: reserved2 [06:06] */
+#define MISC1_TX_DMA_ERROR_STATUS_reserved2_MASK                   0x00000040
+#define MISC1_TX_DMA_ERROR_STATUS_reserved2_ALIGN                  0
+#define MISC1_TX_DMA_ERROR_STATUS_reserved2_BITS                   1
+#define MISC1_TX_DMA_ERROR_STATUS_reserved2_SHIFT                  6
+
+/* MISC1 :: TX_DMA_ERROR_STATUS :: TX_L1_DMA_DATA_TX_ABORT_ERRORS [05:05] */
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L1_DMA_DATA_TX_ABORT_ERRORS_MASK 0x00000020
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L1_DMA_DATA_TX_ABORT_ERRORS_ALIGN 0
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L1_DMA_DATA_TX_ABORT_ERRORS_BITS 1
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L1_DMA_DATA_TX_ABORT_ERRORS_SHIFT 5
+
+/* MISC1 :: TX_DMA_ERROR_STATUS :: TX_L1_FIFO_FULL_ERRORS [04:04] */
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L1_FIFO_FULL_ERRORS_MASK      0x00000010
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L1_FIFO_FULL_ERRORS_ALIGN     0
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L1_FIFO_FULL_ERRORS_BITS      1
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L1_FIFO_FULL_ERRORS_SHIFT     4
+
+/* MISC1 :: TX_DMA_ERROR_STATUS :: reserved3 [03:03] */
+#define MISC1_TX_DMA_ERROR_STATUS_reserved3_MASK                   0x00000008
+#define MISC1_TX_DMA_ERROR_STATUS_reserved3_ALIGN                  0
+#define MISC1_TX_DMA_ERROR_STATUS_reserved3_BITS                   1
+#define MISC1_TX_DMA_ERROR_STATUS_reserved3_SHIFT                  3
+
+/* MISC1 :: TX_DMA_ERROR_STATUS :: TX_L0_DMA_DATA_TX_ABORT_ERRORS [02:02] */
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L0_DMA_DATA_TX_ABORT_ERRORS_MASK 0x00000004
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L0_DMA_DATA_TX_ABORT_ERRORS_ALIGN 0
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L0_DMA_DATA_TX_ABORT_ERRORS_BITS 1
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L0_DMA_DATA_TX_ABORT_ERRORS_SHIFT 2
+
+/* MISC1 :: TX_DMA_ERROR_STATUS :: TX_L0_FIFO_FULL_ERRORS [01:01] */
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L0_FIFO_FULL_ERRORS_MASK      0x00000002
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L0_FIFO_FULL_ERRORS_ALIGN     0
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L0_FIFO_FULL_ERRORS_BITS      1
+#define MISC1_TX_DMA_ERROR_STATUS_TX_L0_FIFO_FULL_ERRORS_SHIFT     1
+
+/* MISC1 :: TX_DMA_ERROR_STATUS :: reserved4 [00:00] */
+#define MISC1_TX_DMA_ERROR_STATUS_reserved4_MASK                   0x00000001
+#define MISC1_TX_DMA_ERROR_STATUS_reserved4_ALIGN                  0
+#define MISC1_TX_DMA_ERROR_STATUS_reserved4_BITS                   1
+#define MISC1_TX_DMA_ERROR_STATUS_reserved4_SHIFT                  0
+
+
+/****************************************************************************
+ * MISC1 :: Y_RX_ERROR_STATUS
+ ***************************************************************************/
+/* MISC1 :: Y_RX_ERROR_STATUS :: reserved0 [31:14] */
+#define MISC1_Y_RX_ERROR_STATUS_reserved0_MASK                     0xffffc000
+#define MISC1_Y_RX_ERROR_STATUS_reserved0_ALIGN                    0
+#define MISC1_Y_RX_ERROR_STATUS_reserved0_BITS                     18
+#define MISC1_Y_RX_ERROR_STATUS_reserved0_SHIFT                    14
+
+/* MISC1 :: Y_RX_ERROR_STATUS :: RX_L1_UNDERRUN_ERROR [13:13] */
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_MASK          0x00002000
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_ALIGN         0
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_BITS          1
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_SHIFT         13
+
+/* MISC1 :: Y_RX_ERROR_STATUS :: RX_L1_OVERRUN_ERROR [12:12] */
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_OVERRUN_ERROR_MASK           0x00001000
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_OVERRUN_ERROR_ALIGN          0
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_OVERRUN_ERROR_BITS           1
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_OVERRUN_ERROR_SHIFT          12
+
+/* MISC1 :: Y_RX_ERROR_STATUS :: RX_L0_UNDERRUN_ERROR [11:11] */
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_MASK          0x00000800
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_ALIGN         0
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_BITS          1
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_SHIFT         11
+
+/* MISC1 :: Y_RX_ERROR_STATUS :: RX_L0_OVERRUN_ERROR [10:10] */
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_OVERRUN_ERROR_MASK           0x00000400
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_OVERRUN_ERROR_ALIGN          0
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_OVERRUN_ERROR_BITS           1
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_OVERRUN_ERROR_SHIFT          10
+
+/* MISC1 :: Y_RX_ERROR_STATUS :: RX_L1_DESC_TX_ABORT_ERRORS [09:09] */
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_DESC_TX_ABORT_ERRORS_MASK    0x00000200
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_DESC_TX_ABORT_ERRORS_ALIGN   0
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_DESC_TX_ABORT_ERRORS_BITS    1
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_DESC_TX_ABORT_ERRORS_SHIFT   9
+
+/* MISC1 :: Y_RX_ERROR_STATUS :: reserved1 [08:08] */
+#define MISC1_Y_RX_ERROR_STATUS_reserved1_MASK                     0x00000100
+#define MISC1_Y_RX_ERROR_STATUS_reserved1_ALIGN                    0
+#define MISC1_Y_RX_ERROR_STATUS_reserved1_BITS                     1
+#define MISC1_Y_RX_ERROR_STATUS_reserved1_SHIFT                    8
+
+/* MISC1 :: Y_RX_ERROR_STATUS :: RX_L0_DESC_TX_ABORT_ERRORS [07:07] */
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_DESC_TX_ABORT_ERRORS_MASK    0x00000080
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_DESC_TX_ABORT_ERRORS_ALIGN   0
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_DESC_TX_ABORT_ERRORS_BITS    1
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_DESC_TX_ABORT_ERRORS_SHIFT   7
+
+/* MISC1 :: Y_RX_ERROR_STATUS :: reserved2 [06:05] */
+#define MISC1_Y_RX_ERROR_STATUS_reserved2_MASK                     0x00000060
+#define MISC1_Y_RX_ERROR_STATUS_reserved2_ALIGN                    0
+#define MISC1_Y_RX_ERROR_STATUS_reserved2_BITS                     2
+#define MISC1_Y_RX_ERROR_STATUS_reserved2_SHIFT                    5
+
+/* MISC1 :: Y_RX_ERROR_STATUS :: RX_L1_FIFO_FULL_ERRORS [04:04] */
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_MASK        0x00000010
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_ALIGN       0
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_BITS        1
+#define MISC1_Y_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_SHIFT       4
+
+/* MISC1 :: Y_RX_ERROR_STATUS :: reserved3 [03:02] */
+#define MISC1_Y_RX_ERROR_STATUS_reserved3_MASK                     0x0000000c
+#define MISC1_Y_RX_ERROR_STATUS_reserved3_ALIGN                    0
+#define MISC1_Y_RX_ERROR_STATUS_reserved3_BITS                     2
+#define MISC1_Y_RX_ERROR_STATUS_reserved3_SHIFT                    2
+
+/* MISC1 :: Y_RX_ERROR_STATUS :: RX_L0_FIFO_FULL_ERRORS [01:01] */
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_MASK        0x00000002
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_ALIGN       0
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_BITS        1
+#define MISC1_Y_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_SHIFT       1
+
+/* MISC1 :: Y_RX_ERROR_STATUS :: reserved4 [00:00] */
+#define MISC1_Y_RX_ERROR_STATUS_reserved4_MASK                     0x00000001
+#define MISC1_Y_RX_ERROR_STATUS_reserved4_ALIGN                    0
+#define MISC1_Y_RX_ERROR_STATUS_reserved4_BITS                     1
+#define MISC1_Y_RX_ERROR_STATUS_reserved4_SHIFT                    0
+
+
+/****************************************************************************
+ * MISC1 :: UV_RX_ERROR_STATUS
+ ***************************************************************************/
+/* MISC1 :: UV_RX_ERROR_STATUS :: reserved0 [31:14] */
+#define MISC1_UV_RX_ERROR_STATUS_reserved0_MASK                    0xffffc000
+#define MISC1_UV_RX_ERROR_STATUS_reserved0_ALIGN                   0
+#define MISC1_UV_RX_ERROR_STATUS_reserved0_BITS                    18
+#define MISC1_UV_RX_ERROR_STATUS_reserved0_SHIFT                   14
+
+/* MISC1 :: UV_RX_ERROR_STATUS :: RX_L1_UNDERRUN_ERROR [13:13] */
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_MASK         0x00002000
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_ALIGN        0
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_BITS         1
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_SHIFT        13
+
+/* MISC1 :: UV_RX_ERROR_STATUS :: RX_L1_OVERRUN_ERROR [12:12] */
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_OVERRUN_ERROR_MASK          0x00001000
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_OVERRUN_ERROR_ALIGN         0
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_OVERRUN_ERROR_BITS          1
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_OVERRUN_ERROR_SHIFT         12
+
+/* MISC1 :: UV_RX_ERROR_STATUS :: RX_L0_UNDERRUN_ERROR [11:11] */
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_MASK         0x00000800
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_ALIGN        0
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_BITS         1
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_SHIFT        11
+
+/* MISC1 :: UV_RX_ERROR_STATUS :: RX_L0_OVERRUN_ERROR [10:10] */
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_OVERRUN_ERROR_MASK          0x00000400
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_OVERRUN_ERROR_ALIGN         0
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_OVERRUN_ERROR_BITS          1
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_OVERRUN_ERROR_SHIFT         10
+
+/* MISC1 :: UV_RX_ERROR_STATUS :: RX_L1_DESC_TX_ABORT_ERRORS [09:09] */
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_DESC_TX_ABORT_ERRORS_MASK   0x00000200
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_DESC_TX_ABORT_ERRORS_ALIGN  0
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_DESC_TX_ABORT_ERRORS_BITS   1
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_DESC_TX_ABORT_ERRORS_SHIFT  9
+
+/* MISC1 :: UV_RX_ERROR_STATUS :: reserved1 [08:08] */
+#define MISC1_UV_RX_ERROR_STATUS_reserved1_MASK                    0x00000100
+#define MISC1_UV_RX_ERROR_STATUS_reserved1_ALIGN                   0
+#define MISC1_UV_RX_ERROR_STATUS_reserved1_BITS                    1
+#define MISC1_UV_RX_ERROR_STATUS_reserved1_SHIFT                   8
+
+/* MISC1 :: UV_RX_ERROR_STATUS :: RX_L0_DESC_TX_ABORT_ERRORS [07:07] */
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_DESC_TX_ABORT_ERRORS_MASK   0x00000080
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_DESC_TX_ABORT_ERRORS_ALIGN  0
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_DESC_TX_ABORT_ERRORS_BITS   1
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_DESC_TX_ABORT_ERRORS_SHIFT  7
+
+/* MISC1 :: UV_RX_ERROR_STATUS :: reserved2 [06:05] */
+#define MISC1_UV_RX_ERROR_STATUS_reserved2_MASK                    0x00000060
+#define MISC1_UV_RX_ERROR_STATUS_reserved2_ALIGN                   0
+#define MISC1_UV_RX_ERROR_STATUS_reserved2_BITS                    2
+#define MISC1_UV_RX_ERROR_STATUS_reserved2_SHIFT                   5
+
+/* MISC1 :: UV_RX_ERROR_STATUS :: RX_L1_FIFO_FULL_ERRORS [04:04] */
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_MASK       0x00000010
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_ALIGN      0
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_BITS       1
+#define MISC1_UV_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_SHIFT      4
+
+/* MISC1 :: UV_RX_ERROR_STATUS :: reserved3 [03:02] */
+#define MISC1_UV_RX_ERROR_STATUS_reserved3_MASK                    0x0000000c
+#define MISC1_UV_RX_ERROR_STATUS_reserved3_ALIGN                   0
+#define MISC1_UV_RX_ERROR_STATUS_reserved3_BITS                    2
+#define MISC1_UV_RX_ERROR_STATUS_reserved3_SHIFT                   2
+
+/* MISC1 :: UV_RX_ERROR_STATUS :: RX_L0_FIFO_FULL_ERRORS [01:01] */
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_MASK       0x00000002
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_ALIGN      0
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_BITS       1
+#define MISC1_UV_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_SHIFT      1
+
+/* MISC1 :: UV_RX_ERROR_STATUS :: reserved4 [00:00] */
+#define MISC1_UV_RX_ERROR_STATUS_reserved4_MASK                    0x00000001
+#define MISC1_UV_RX_ERROR_STATUS_reserved4_ALIGN                   0
+#define MISC1_UV_RX_ERROR_STATUS_reserved4_BITS                    1
+#define MISC1_UV_RX_ERROR_STATUS_reserved4_SHIFT                   0
+
+/****************************************************************************
+ * Datatype Definitions.
+ ***************************************************************************/
+#endif /* #ifndef MACFILE_H__ */
+
+/* End of File */
+
diff --git a/drivers/staging/crystalhd/crystalhd_cmds.c b/drivers/staging/crystalhd/crystalhd_cmds.c
new file mode 100644
index 000000000000..26145a8d0f78
--- /dev/null
+++ b/drivers/staging/crystalhd/crystalhd_cmds.c
@@ -0,0 +1,1058 @@
+/***************************************************************************
+ * Copyright (c) 2005-2009, Broadcom Corporation.
+ *
+ *  Name: crystalhd_cmds . c
+ *
+ *  Description:
+ *		BCM70010 Linux driver user command interfaces.
+ *
+ *  HISTORY:
+ *
+ **********************************************************************
+ * This file is part of the crystalhd device driver.
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This driver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this driver.  If not, see <http://www.gnu.org/licenses/>.
+ **********************************************************************/
+
+#include "crystalhd_cmds.h"
+#include "crystalhd_hw.h"
+
+static struct crystalhd_user *bc_cproc_get_uid(struct crystalhd_cmd *ctx)
+{
+	struct crystalhd_user *user = NULL;
+	int i;
+
+	for (i = 0; i < BC_LINK_MAX_OPENS; i++) {
+		if (!ctx->user[i].in_use) {
+			user = &ctx->user[i];
+			break;
+		}
+	}
+
+	return user;
+}
+
+static int bc_cproc_get_user_count(struct crystalhd_cmd *ctx)
+{
+	int i, count = 0;
+
+	for (i = 0; i < BC_LINK_MAX_OPENS; i++) {
+		if (ctx->user[i].in_use)
+			count++;
+	}
+
+	return count;
+}
+
+static void bc_cproc_mark_pwr_state(struct crystalhd_cmd *ctx)
+{
+	int i;
+
+	for (i = 0; i < BC_LINK_MAX_OPENS; i++) {
+		if (!ctx->user[i].in_use)
+			continue;
+		if (ctx->user[i].mode == DTS_DIAG_MODE ||
+		    ctx->user[i].mode == DTS_PLAYBACK_MODE) {
+			ctx->pwr_state_change = 1;
+			break;
+		}
+	}
+}
+
+static BC_STATUS bc_cproc_notify_mode(struct crystalhd_cmd *ctx,
+				      crystalhd_ioctl_data *idata)
+{
+	int rc = 0, i = 0;
+
+	if (!ctx || !idata) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	if (ctx->user[idata->u_id].mode != DTS_MODE_INV) {
+		BCMLOG_ERR("Close the handle first..\n");
+		return BC_STS_ERR_USAGE;
+	}
+	if (idata->udata.u.NotifyMode.Mode == DTS_MONITOR_MODE) {
+		ctx->user[idata->u_id].mode = idata->udata.u.NotifyMode.Mode;
+		return BC_STS_SUCCESS;
+	}
+	if (ctx->state != BC_LINK_INVALID) {
+		BCMLOG_ERR("Link invalid state %d \n", ctx->state);
+		return BC_STS_ERR_USAGE;
+	}
+	/* Check for duplicate playback sessions..*/
+	for (i = 0; i < BC_LINK_MAX_OPENS; i++) {
+		if (ctx->user[i].mode == DTS_DIAG_MODE ||
+		    ctx->user[i].mode == DTS_PLAYBACK_MODE) {
+			BCMLOG_ERR("multiple playback sessions are not "
+				   "supported..\n");
+			return BC_STS_ERR_USAGE;
+		}
+	}
+	ctx->cin_wait_exit = 0;
+	ctx->user[idata->u_id].mode = idata->udata.u.NotifyMode.Mode;
+	/* Setup mmap pool for uaddr sgl mapping..*/
+	rc = crystalhd_create_dio_pool(ctx->adp, BC_LINK_MAX_SGLS);
+	if (rc)
+		return BC_STS_ERROR;
+
+	/* Setup Hardware DMA rings */
+	return crystalhd_hw_setup_dma_rings(&ctx->hw_ctx);
+}
+
+static BC_STATUS bc_cproc_get_version(struct crystalhd_cmd *ctx,
+				      crystalhd_ioctl_data *idata)
+{
+
+	if (!ctx || !idata) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+	idata->udata.u.VerInfo.DriverMajor = crystalhd_kmod_major;
+	idata->udata.u.VerInfo.DriverMinor = crystalhd_kmod_minor;
+	idata->udata.u.VerInfo.DriverRevision	= crystalhd_kmod_rev;
+	return BC_STS_SUCCESS;
+}
+
+
+static BC_STATUS bc_cproc_get_hwtype(struct crystalhd_cmd *ctx, crystalhd_ioctl_data *idata)
+{
+	if (!ctx || !idata) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	crystalhd_pci_cfg_rd(ctx->adp, 0, 2,
+			   (uint32_t *)&idata->udata.u.hwType.PciVenId);
+	crystalhd_pci_cfg_rd(ctx->adp, 2, 2,
+			   (uint32_t *)&idata->udata.u.hwType.PciDevId);
+	crystalhd_pci_cfg_rd(ctx->adp, 8, 1,
+			   (uint32_t *)&idata->udata.u.hwType.HwRev);
+
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS bc_cproc_reg_rd(struct crystalhd_cmd *ctx,
+				 crystalhd_ioctl_data *idata)
+{
+	if (!ctx || !idata)
+		return BC_STS_INV_ARG;
+	idata->udata.u.regAcc.Value = bc_dec_reg_rd(ctx->adp,
+					idata->udata.u.regAcc.Offset);
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS bc_cproc_reg_wr(struct crystalhd_cmd *ctx,
+				 crystalhd_ioctl_data *idata)
+{
+	if (!ctx || !idata)
+		return BC_STS_INV_ARG;
+
+	bc_dec_reg_wr(ctx->adp, idata->udata.u.regAcc.Offset,
+		      idata->udata.u.regAcc.Value);
+
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS bc_cproc_link_reg_rd(struct crystalhd_cmd *ctx,
+				      crystalhd_ioctl_data *idata)
+{
+	if (!ctx || !idata)
+		return BC_STS_INV_ARG;
+
+	idata->udata.u.regAcc.Value = crystalhd_reg_rd(ctx->adp,
+					idata->udata.u.regAcc.Offset);
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS bc_cproc_link_reg_wr(struct crystalhd_cmd *ctx,
+				      crystalhd_ioctl_data *idata)
+{
+	if (!ctx || !idata)
+		return BC_STS_INV_ARG;
+
+	crystalhd_reg_wr(ctx->adp, idata->udata.u.regAcc.Offset,
+		       idata->udata.u.regAcc.Value);
+
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS bc_cproc_mem_rd(struct crystalhd_cmd *ctx,
+				 crystalhd_ioctl_data *idata)
+{
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	if (!ctx || !idata || !idata->add_cdata)
+		return BC_STS_INV_ARG;
+
+	if (idata->udata.u.devMem.NumDwords > (idata->add_cdata_sz / 4)) {
+		BCMLOG_ERR("insufficient buffer\n");
+		return BC_STS_INV_ARG;
+	}
+	sts = crystalhd_mem_rd(ctx->adp, idata->udata.u.devMem.StartOff,
+			     idata->udata.u.devMem.NumDwords,
+			     (uint32_t *)idata->add_cdata);
+	return sts;
+
+}
+
+static BC_STATUS bc_cproc_mem_wr(struct crystalhd_cmd *ctx,
+				 crystalhd_ioctl_data *idata)
+{
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	if (!ctx || !idata || !idata->add_cdata)
+		return BC_STS_INV_ARG;
+
+	if (idata->udata.u.devMem.NumDwords > (idata->add_cdata_sz / 4)) {
+		BCMLOG_ERR("insufficient buffer\n");
+		return BC_STS_INV_ARG;
+	}
+
+	sts = crystalhd_mem_wr(ctx->adp, idata->udata.u.devMem.StartOff,
+			     idata->udata.u.devMem.NumDwords,
+			     (uint32_t *)idata->add_cdata);
+	return sts;
+}
+
+static BC_STATUS bc_cproc_cfg_rd(struct crystalhd_cmd *ctx,
+				 crystalhd_ioctl_data *idata)
+{
+	uint32_t ix, cnt, off, len;
+	BC_STATUS sts = BC_STS_SUCCESS;
+	uint32_t *temp;
+
+	if (!ctx || !idata)
+		return BC_STS_INV_ARG;
+
+	temp = (uint32_t *) idata->udata.u.pciCfg.pci_cfg_space;
+	off = idata->udata.u.pciCfg.Offset;
+	len = idata->udata.u.pciCfg.Size;
+
+	if (len <= 4)
+		return crystalhd_pci_cfg_rd(ctx->adp, off, len, temp);
+
+	/* Truncate to dword alignment..*/
+	len = 4;
+	cnt = idata->udata.u.pciCfg.Size / len;
+	for (ix = 0; ix < cnt; ix++) {
+		sts = crystalhd_pci_cfg_rd(ctx->adp, off, len, &temp[ix]);
+		if (sts != BC_STS_SUCCESS) {
+			BCMLOG_ERR("config read : %d\n", sts);
+			return sts;
+		}
+		off += len;
+	}
+
+	return sts;
+}
+
+static BC_STATUS bc_cproc_cfg_wr(struct crystalhd_cmd *ctx,
+				 crystalhd_ioctl_data *idata)
+{
+	uint32_t ix, cnt, off, len;
+	BC_STATUS sts = BC_STS_SUCCESS;
+	uint32_t *temp;
+
+	if (!ctx || !idata)
+		return BC_STS_INV_ARG;
+
+	temp = (uint32_t *) idata->udata.u.pciCfg.pci_cfg_space;
+	off = idata->udata.u.pciCfg.Offset;
+	len = idata->udata.u.pciCfg.Size;
+
+	if (len <= 4)
+		return crystalhd_pci_cfg_wr(ctx->adp, off, len, temp[0]);
+
+	/* Truncate to dword alignment..*/
+	len = 4;
+	cnt = idata->udata.u.pciCfg.Size / len;
+	for (ix = 0; ix < cnt; ix++) {
+		sts = crystalhd_pci_cfg_wr(ctx->adp, off, len, temp[ix]);
+		if (sts != BC_STS_SUCCESS) {
+			BCMLOG_ERR("config write : %d\n", sts);
+			return sts;
+		}
+		off += len;
+	}
+
+	return sts;
+}
+
+static BC_STATUS bc_cproc_download_fw(struct crystalhd_cmd *ctx,
+				      crystalhd_ioctl_data *idata)
+{
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	if (!ctx || !idata || !idata->add_cdata || !idata->add_cdata_sz) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	if (ctx->state != BC_LINK_INVALID) {
+		BCMLOG_ERR("Link invalid state %d \n", ctx->state);
+		return BC_STS_ERR_USAGE;
+	}
+
+	sts = crystalhd_download_fw(ctx->adp, (uint8_t *)idata->add_cdata,
+				  idata->add_cdata_sz);
+
+	if (sts != BC_STS_SUCCESS) {
+		BCMLOG_ERR("Firmware Download Failure!! - %d\n", sts);
+	} else
+		ctx->state |= BC_LINK_INIT;
+
+	return sts;
+}
+
+/*
+ * We use the FW_CMD interface to sync up playback state with application
+ * and  firmware. This function will perform the required pre and post
+ * processing of the Firmware commands.
+ *
+ * Pause -
+ *	Disable capture after decoder pause.
+ * Resume -
+ *	First enable capture and issue decoder resume command.
+ * Flush -
+ *	Abort pending input transfers and issue decoder flush command.
+ *
+ */
+static BC_STATUS bc_cproc_do_fw_cmd(struct crystalhd_cmd *ctx, crystalhd_ioctl_data *idata)
+{
+	BC_STATUS sts;
+	uint32_t *cmd;
+
+	if (!(ctx->state & BC_LINK_INIT)) {
+		BCMLOG_ERR("Link invalid state %d \n", ctx->state);
+		return BC_STS_ERR_USAGE;
+	}
+
+	cmd = idata->udata.u.fwCmd.cmd;
+
+	/* Pre-Process */
+	if (cmd[0] == eCMD_C011_DEC_CHAN_PAUSE) {
+		if (!cmd[3]) {
+			ctx->state &= ~BC_LINK_PAUSED;
+			crystalhd_hw_unpause(&ctx->hw_ctx);
+		}
+	} else if (cmd[0] == eCMD_C011_DEC_CHAN_FLUSH) {
+		BCMLOG(BCMLOG_INFO, "Flush issued\n");
+		if (cmd[3])
+			ctx->cin_wait_exit = 1;
+	}
+
+	sts = crystalhd_do_fw_cmd(&ctx->hw_ctx, &idata->udata.u.fwCmd);
+
+	if (sts != BC_STS_SUCCESS) {
+		BCMLOG(BCMLOG_INFO, "fw cmd %x failed\n", cmd[0]);
+		return sts;
+	}
+
+	/* Post-Process */
+	if (cmd[0] == eCMD_C011_DEC_CHAN_PAUSE) {
+		if (cmd[3]) {
+			ctx->state |= BC_LINK_PAUSED;
+			crystalhd_hw_pause(&ctx->hw_ctx);
+		}
+	}
+
+	return sts;
+}
+
+static void bc_proc_in_completion(crystalhd_dio_req *dio_hnd,
+				  wait_queue_head_t *event, BC_STATUS sts)
+{
+	if (!dio_hnd || !event) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return;
+	}
+	if (sts == BC_STS_IO_USER_ABORT)
+		 return;
+
+	dio_hnd->uinfo.comp_sts = sts;
+	dio_hnd->uinfo.ev_sts = 1;
+	crystalhd_set_event(event);
+}
+
+static BC_STATUS bc_cproc_codein_sleep(struct crystalhd_cmd *ctx)
+{
+	wait_queue_head_t sleep_ev;
+	int rc = 0;
+
+	if (ctx->state & BC_LINK_SUSPEND)
+		return BC_STS_IO_USER_ABORT;
+
+	if (ctx->cin_wait_exit) {
+		ctx->cin_wait_exit = 0;
+		return BC_STS_CMD_CANCELLED;
+	}
+	crystalhd_create_event(&sleep_ev);
+	crystalhd_wait_on_event(&sleep_ev, 0, 100, rc, 0);
+	if (rc == -EINTR)
+		return BC_STS_IO_USER_ABORT;
+
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS bc_cproc_hw_txdma(struct crystalhd_cmd *ctx,
+				   crystalhd_ioctl_data *idata,
+				   crystalhd_dio_req *dio)
+{
+	uint32_t tx_listid = 0;
+	BC_STATUS sts = BC_STS_SUCCESS;
+	wait_queue_head_t event;
+	int rc = 0;
+
+	if (!ctx || !idata || !dio) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	crystalhd_create_event(&event);
+
+	ctx->tx_list_id = 0;
+	/* msleep_interruptible(2000); */
+	sts = crystalhd_hw_post_tx(&ctx->hw_ctx, dio, bc_proc_in_completion,
+				 &event, &tx_listid,
+				 idata->udata.u.ProcInput.Encrypted);
+
+	while (sts == BC_STS_BUSY) {
+		sts = bc_cproc_codein_sleep(ctx);
+		if (sts != BC_STS_SUCCESS)
+			break;
+		sts = crystalhd_hw_post_tx(&ctx->hw_ctx, dio,
+					 bc_proc_in_completion,
+					 &event, &tx_listid,
+					 idata->udata.u.ProcInput.Encrypted);
+	}
+	if (sts != BC_STS_SUCCESS) {
+		BCMLOG(BCMLOG_DBG, "_hw_txdma returning sts:%d\n", sts);
+		return sts;
+	}
+	if (ctx->cin_wait_exit)
+		ctx->cin_wait_exit = 0;
+
+	ctx->tx_list_id = tx_listid;
+
+	/* _post() succeeded.. wait for the completion. */
+	crystalhd_wait_on_event(&event, (dio->uinfo.ev_sts), 3000, rc, 0);
+	ctx->tx_list_id = 0;
+	if (!rc) {
+		return dio->uinfo.comp_sts;
+	} else if (rc == -EBUSY) {
+		BCMLOG(BCMLOG_DBG, "_tx_post() T/O \n");
+		sts = BC_STS_TIMEOUT;
+	} else if (rc == -EINTR) {
+		BCMLOG(BCMLOG_DBG, "Tx Wait Signal int.\n");
+		sts = BC_STS_IO_USER_ABORT;
+	} else {
+		sts = BC_STS_IO_ERROR;
+	}
+
+	/* We are cancelling the IO from the same context as the _post().
+	 * so no need to wait on the event again.. the return itself
+	 * ensures the release of our resources.
+	 */
+	crystalhd_hw_cancel_tx(&ctx->hw_ctx, tx_listid);
+
+	return sts;
+}
+
+/* Helper function to check on user buffers */
+static BC_STATUS bc_cproc_check_inbuffs(bool pin, void *ubuff, uint32_t ub_sz,
+					uint32_t uv_off, bool en_422)
+{
+	if (!ubuff || !ub_sz) {
+		BCMLOG_ERR("%s->Invalid Arg %p %x\n",
+			((pin) ? "TX" : "RX"), ubuff, ub_sz);
+		return BC_STS_INV_ARG;
+	}
+
+	/* Check for alignment */
+	if (((uintptr_t)ubuff) & 0x03) {
+		BCMLOG_ERR("%s-->Un-aligned address not implemented yet.. %p \n",
+				((pin) ? "TX" : "RX"), ubuff);
+		return BC_STS_NOT_IMPL;
+	}
+	if (pin)
+		return BC_STS_SUCCESS;
+
+	if (!en_422 && !uv_off) {
+		BCMLOG_ERR("Need UV offset for 420 mode.\n");
+		return BC_STS_INV_ARG;
+	}
+
+	if (en_422 && uv_off) {
+		BCMLOG_ERR("UV offset in 422 mode ??\n");
+		return BC_STS_INV_ARG;
+	}
+
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS bc_cproc_proc_input(struct crystalhd_cmd *ctx, crystalhd_ioctl_data *idata)
+{
+	void *ubuff;
+	uint32_t ub_sz;
+	crystalhd_dio_req *dio_hnd = NULL;
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	if (!ctx || !idata) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	ubuff = idata->udata.u.ProcInput.pDmaBuff;
+	ub_sz = idata->udata.u.ProcInput.BuffSz;
+
+	sts = bc_cproc_check_inbuffs(1, ubuff, ub_sz, 0, 0);
+	if (sts != BC_STS_SUCCESS)
+		return sts;
+
+	sts = crystalhd_map_dio(ctx->adp, ubuff, ub_sz, 0, 0, 1, &dio_hnd);
+	if (sts != BC_STS_SUCCESS) {
+		BCMLOG_ERR("dio map - %d \n", sts);
+		return sts;
+	}
+
+	if (!dio_hnd)
+		return BC_STS_ERROR;
+
+	sts = bc_cproc_hw_txdma(ctx, idata, dio_hnd);
+
+	crystalhd_unmap_dio(ctx->adp, dio_hnd);
+
+	return sts;
+}
+
+static BC_STATUS bc_cproc_add_cap_buff(struct crystalhd_cmd *ctx,
+				       crystalhd_ioctl_data *idata)
+{
+	void *ubuff;
+	uint32_t ub_sz, uv_off;
+	bool en_422;
+	crystalhd_dio_req *dio_hnd = NULL;
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	if (!ctx || !idata) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	ubuff = idata->udata.u.RxBuffs.YuvBuff;
+	ub_sz = idata->udata.u.RxBuffs.YuvBuffSz;
+	uv_off = idata->udata.u.RxBuffs.UVbuffOffset;
+	en_422 = idata->udata.u.RxBuffs.b422Mode;
+
+	sts = bc_cproc_check_inbuffs(0, ubuff, ub_sz, uv_off, en_422);
+	if (sts != BC_STS_SUCCESS)
+		return sts;
+
+	sts = crystalhd_map_dio(ctx->adp, ubuff, ub_sz, uv_off,
+			      en_422, 0, &dio_hnd);
+	if (sts != BC_STS_SUCCESS) {
+		BCMLOG_ERR("dio map - %d \n", sts);
+		return sts;
+	}
+
+	if (!dio_hnd)
+		return BC_STS_ERROR;
+
+	sts = crystalhd_hw_add_cap_buffer(&ctx->hw_ctx, dio_hnd, (ctx->state == BC_LINK_READY));
+	if ((sts != BC_STS_SUCCESS) && (sts != BC_STS_BUSY)) {
+		crystalhd_unmap_dio(ctx->adp, dio_hnd);
+		return sts;
+	}
+
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS bc_cproc_fmt_change(struct crystalhd_cmd *ctx,
+				     crystalhd_dio_req *dio)
+{
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	sts = crystalhd_hw_add_cap_buffer(&ctx->hw_ctx, dio, 0);
+	if (sts != BC_STS_SUCCESS)
+		return sts;
+
+	ctx->state |= BC_LINK_FMT_CHG;
+	if (ctx->state == BC_LINK_READY)
+		sts = crystalhd_hw_start_capture(&ctx->hw_ctx);
+
+	return sts;
+}
+
+static BC_STATUS bc_cproc_fetch_frame(struct crystalhd_cmd *ctx,
+				      crystalhd_ioctl_data *idata)
+{
+	crystalhd_dio_req *dio = NULL;
+	BC_STATUS sts = BC_STS_SUCCESS;
+	BC_DEC_OUT_BUFF *frame;
+
+	if (!ctx || !idata) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	if (!(ctx->state & BC_LINK_CAP_EN)) {
+		BCMLOG(BCMLOG_DBG, "Capture not enabled..%x\n", ctx->state);
+		return BC_STS_ERR_USAGE;
+	}
+
+	frame = &idata->udata.u.DecOutData;
+
+	sts = crystalhd_hw_get_cap_buffer(&ctx->hw_ctx, &frame->PibInfo, &dio);
+	if (sts != BC_STS_SUCCESS)
+		return (ctx->state & BC_LINK_SUSPEND) ? BC_STS_IO_USER_ABORT : sts;
+
+	frame->Flags = dio->uinfo.comp_flags;
+
+	if (frame->Flags & COMP_FLAG_FMT_CHANGE)
+		return bc_cproc_fmt_change(ctx, dio);
+
+	frame->OutPutBuffs.YuvBuff = dio->uinfo.xfr_buff;
+	frame->OutPutBuffs.YuvBuffSz = dio->uinfo.xfr_len;
+	frame->OutPutBuffs.UVbuffOffset = dio->uinfo.uv_offset;
+	frame->OutPutBuffs.b422Mode = dio->uinfo.b422mode;
+
+	frame->OutPutBuffs.YBuffDoneSz = dio->uinfo.y_done_sz;
+	frame->OutPutBuffs.UVBuffDoneSz = dio->uinfo.uv_done_sz;
+
+	crystalhd_unmap_dio(ctx->adp, dio);
+
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS bc_cproc_start_capture(struct crystalhd_cmd *ctx,
+					crystalhd_ioctl_data *idata)
+{
+	ctx->state |= BC_LINK_CAP_EN;
+	if (ctx->state == BC_LINK_READY)
+		return crystalhd_hw_start_capture(&ctx->hw_ctx);
+
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS bc_cproc_flush_cap_buffs(struct crystalhd_cmd *ctx,
+					  crystalhd_ioctl_data *idata)
+{
+	crystalhd_dio_req *dio = NULL;
+	BC_STATUS sts = BC_STS_SUCCESS;
+	BC_DEC_OUT_BUFF *frame;
+	uint32_t count;
+
+	if (!ctx || !idata) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	if (!(ctx->state & BC_LINK_CAP_EN))
+		return BC_STS_ERR_USAGE;
+
+	/* We should ack flush even when we are in paused/suspend state */
+	if (!(ctx->state & BC_LINK_READY))
+		return crystalhd_hw_stop_capture(&ctx->hw_ctx);
+
+	ctx->state &= ~(BC_LINK_CAP_EN|BC_LINK_FMT_CHG);
+
+	frame = &idata->udata.u.DecOutData;
+	for (count = 0; count < BC_RX_LIST_CNT; count++) {
+
+		sts = crystalhd_hw_get_cap_buffer(&ctx->hw_ctx, &frame->PibInfo, &dio);
+		if (sts != BC_STS_SUCCESS)
+			break;
+
+		crystalhd_unmap_dio(ctx->adp, dio);
+	}
+
+	return crystalhd_hw_stop_capture(&ctx->hw_ctx);
+}
+
+static BC_STATUS bc_cproc_get_stats(struct crystalhd_cmd *ctx,
+				    crystalhd_ioctl_data *idata)
+{
+	BC_DTS_STATS *stats;
+	struct crystalhd_hw_stats	hw_stats;
+
+	if (!ctx || !idata) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	crystalhd_hw_stats(&ctx->hw_ctx, &hw_stats);
+
+	stats = &idata->udata.u.drvStat;
+	stats->drvRLL = hw_stats.rdyq_count;
+	stats->drvFLL = hw_stats.freeq_count;
+	stats->DrvTotalFrmDropped = hw_stats.rx_errors;
+	stats->DrvTotalHWErrs = hw_stats.rx_errors + hw_stats.tx_errors;
+	stats->intCount = hw_stats.num_interrupts;
+	stats->DrvIgnIntrCnt = hw_stats.num_interrupts -
+				hw_stats.dev_interrupts;
+	stats->TxFifoBsyCnt = hw_stats.cin_busy;
+	stats->pauseCount = hw_stats.pause_cnt;
+
+	if (ctx->pwr_state_change)
+		stats->pwr_state_change = 1;
+	if (ctx->state & BC_LINK_PAUSED)
+		stats->DrvPauseTime = 1;
+
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS bc_cproc_reset_stats(struct crystalhd_cmd *ctx,
+				      crystalhd_ioctl_data *idata)
+{
+	crystalhd_hw_stats(&ctx->hw_ctx, NULL);
+
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS bc_cproc_chg_clk(struct crystalhd_cmd *ctx,
+				  crystalhd_ioctl_data *idata)
+{
+	BC_CLOCK *clock;
+	uint32_t oldClk;
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	if (!ctx || !idata) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	clock = &idata->udata.u.clockValue;
+	oldClk = ctx->hw_ctx.core_clock_mhz;
+	ctx->hw_ctx.core_clock_mhz = clock->clk;
+
+	if (ctx->state & BC_LINK_READY) {
+		sts = crystalhd_hw_set_core_clock(&ctx->hw_ctx);
+		if (sts == BC_STS_CLK_NOCHG)
+			ctx->hw_ctx.core_clock_mhz = oldClk;
+	}
+
+	clock->clk = ctx->hw_ctx.core_clock_mhz;
+
+	return sts;
+}
+
+/*=============== Cmd Proc Table.. ======================================*/
+static const crystalhd_cmd_tbl_t	g_crystalhd_cproc_tbl[] = {
+	{ BCM_IOC_GET_VERSION,		bc_cproc_get_version,	0},
+	{ BCM_IOC_GET_HWTYPE,		bc_cproc_get_hwtype,	0},
+	{ BCM_IOC_REG_RD,		bc_cproc_reg_rd,	0},
+	{ BCM_IOC_REG_WR,		bc_cproc_reg_wr,	0},
+	{ BCM_IOC_FPGA_RD,		bc_cproc_link_reg_rd,	0},
+	{ BCM_IOC_FPGA_WR,		bc_cproc_link_reg_wr,	0},
+	{ BCM_IOC_MEM_RD,		bc_cproc_mem_rd,	0},
+	{ BCM_IOC_MEM_WR,		bc_cproc_mem_wr,	0},
+	{ BCM_IOC_RD_PCI_CFG,		bc_cproc_cfg_rd,	0},
+	{ BCM_IOC_WR_PCI_CFG,		bc_cproc_cfg_wr,	1},
+	{ BCM_IOC_FW_DOWNLOAD,		bc_cproc_download_fw,	1},
+	{ BCM_IOC_FW_CMD,		bc_cproc_do_fw_cmd,	1},
+	{ BCM_IOC_PROC_INPUT,		bc_cproc_proc_input,	1},
+	{ BCM_IOC_ADD_RXBUFFS,		bc_cproc_add_cap_buff,	1},
+	{ BCM_IOC_FETCH_RXBUFF,		bc_cproc_fetch_frame,	1},
+	{ BCM_IOC_START_RX_CAP,		bc_cproc_start_capture,	1},
+	{ BCM_IOC_FLUSH_RX_CAP,		bc_cproc_flush_cap_buffs, 1},
+	{ BCM_IOC_GET_DRV_STAT,		bc_cproc_get_stats,	0},
+	{ BCM_IOC_RST_DRV_STAT,		bc_cproc_reset_stats,	0},
+	{ BCM_IOC_NOTIFY_MODE,		bc_cproc_notify_mode,	0},
+	{ BCM_IOC_CHG_CLK,		bc_cproc_chg_clk, 0},
+	{ BCM_IOC_END,			NULL},
+};
+
+/*=============== Cmd Proc Functions.. ===================================*/
+
+/**
+ * crystalhd_suspend - Power management suspend request.
+ * @ctx: Command layer context.
+ * @idata: Iodata - required for internal use.
+ *
+ * Return:
+ *	status
+ *
+ * 1. Set the state to Suspend.
+ * 2. Flush the Rx Buffers it will unmap all the buffers and
+ *    stop the RxDMA engine.
+ * 3. Cancel The TX Io and Stop Dma Engine.
+ * 4. Put the DDR in to deep sleep.
+ * 5. Stop the hardware putting it in to Reset State.
+ *
+ * Current gstreamer frame work does not provide any power management
+ * related notification to user mode decoder plug-in. As a work-around
+ * we pass on the power mangement notification to our plug-in by completing
+ * all outstanding requests with BC_STS_IO_USER_ABORT return code.
+ */
+BC_STATUS crystalhd_suspend(struct crystalhd_cmd *ctx, crystalhd_ioctl_data *idata)
+{
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	if (!ctx || !idata) {
+		BCMLOG_ERR("Invalid Parameters\n");
+		return BC_STS_ERROR;
+	}
+
+	if (ctx->state & BC_LINK_SUSPEND)
+		return BC_STS_SUCCESS;
+
+	if (ctx->state == BC_LINK_INVALID) {
+		BCMLOG(BCMLOG_DBG, "Nothing To Do Suspend Success\n");
+		return BC_STS_SUCCESS;
+	}
+
+	ctx->state |= BC_LINK_SUSPEND;
+
+	bc_cproc_mark_pwr_state(ctx);
+
+	if (ctx->state & BC_LINK_CAP_EN) {
+		sts = bc_cproc_flush_cap_buffs(ctx, idata);
+		if (sts != BC_STS_SUCCESS)
+			return sts;
+	}
+
+	if (ctx->tx_list_id) {
+		sts = crystalhd_hw_cancel_tx(&ctx->hw_ctx, ctx->tx_list_id);
+		if (sts != BC_STS_SUCCESS)
+			return sts;
+	}
+
+	sts = crystalhd_hw_suspend(&ctx->hw_ctx);
+	if (sts != BC_STS_SUCCESS)
+		return sts;
+
+	BCMLOG(BCMLOG_DBG, "BCM70012 suspend success\n");
+
+	return BC_STS_SUCCESS;
+}
+
+/**
+ * crystalhd_resume - Resume frame capture.
+ * @ctx: Command layer contextx.
+ *
+ * Return:
+ *	status
+ *
+ *
+ * Resume frame capture.
+ *
+ * PM_Resume can't resume the playback state back to pre-suspend state
+ * because we don't keep video clip related information within driver.
+ * To get back to the pre-suspend state App will re-open the device and
+ * start a new playback session from the pre-suspend clip position.
+ *
+ */
+BC_STATUS crystalhd_resume(struct crystalhd_cmd *ctx)
+{
+	BCMLOG(BCMLOG_DBG, "crystalhd_resume Success %x\n", ctx->state);
+
+	bc_cproc_mark_pwr_state(ctx);
+
+	return BC_STS_SUCCESS;
+}
+
+/**
+ * crystalhd_user_open - Create application handle.
+ * @ctx: Command layer contextx.
+ * @user_ctx: User ID context.
+ *
+ * Return:
+ *	status
+ *
+ * Creates an application specific UID and allocates
+ * application specific resources. HW layer initialization
+ * is done for the first open request.
+ */
+BC_STATUS crystalhd_user_open(struct crystalhd_cmd *ctx,
+			    struct crystalhd_user **user_ctx)
+{
+	struct crystalhd_user *uc;
+
+	if (!ctx || !user_ctx) {
+		BCMLOG_ERR("Invalid arg..\n");
+		return BC_STS_INV_ARG;
+	}
+
+	uc = bc_cproc_get_uid(ctx);
+	if (!uc) {
+		BCMLOG(BCMLOG_INFO, "No free user context...\n");
+		return BC_STS_BUSY;
+	}
+
+	BCMLOG(BCMLOG_INFO, "Opening new user[%x] handle\n", uc->uid);
+
+	crystalhd_hw_open(&ctx->hw_ctx, ctx->adp);
+
+	uc->in_use = 1;
+
+	*user_ctx = uc;
+
+	return BC_STS_SUCCESS;
+}
+
+/**
+ * crystalhd_user_close - Close application handle.
+ * @ctx: Command layer contextx.
+ * @uc: User ID context.
+ *
+ * Return:
+ *	status
+ *
+ * Closer aplication handle and release app specific
+ * resources.
+ */
+BC_STATUS crystalhd_user_close(struct crystalhd_cmd *ctx, struct crystalhd_user *uc)
+{
+	uint32_t mode = uc->mode;
+
+	ctx->user[uc->uid].mode = DTS_MODE_INV;
+	ctx->user[uc->uid].in_use = 0;
+	ctx->cin_wait_exit = 1;
+	ctx->pwr_state_change = 0;
+
+	BCMLOG(BCMLOG_INFO, "Closing user[%x] handle\n", uc->uid);
+
+	if ((mode == DTS_DIAG_MODE) || (mode == DTS_PLAYBACK_MODE)) {
+		crystalhd_hw_free_dma_rings(&ctx->hw_ctx);
+		crystalhd_destroy_dio_pool(ctx->adp);
+	} else if (bc_cproc_get_user_count(ctx)) {
+		return BC_STS_SUCCESS;
+	}
+
+	crystalhd_hw_close(&ctx->hw_ctx);
+
+	ctx->state = BC_LINK_INVALID;
+
+	return BC_STS_SUCCESS;
+}
+
+/**
+ * crystalhd_setup_cmd_context - Setup Command layer resources.
+ * @ctx: Command layer contextx.
+ * @adp: Adapter context
+ *
+ * Return:
+ *	status
+ *
+ * Called at the time of driver load.
+ */
+BC_STATUS __devinit crystalhd_setup_cmd_context(struct crystalhd_cmd *ctx,
+				    struct crystalhd_adp *adp)
+{
+	int i = 0;
+
+	if (!ctx || !adp) {
+		BCMLOG_ERR("Invalid arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	if (ctx->adp)
+		BCMLOG(BCMLOG_DBG, "Resetting Cmd context delete missing..\n");
+
+	ctx->adp = adp;
+	for (i = 0; i < BC_LINK_MAX_OPENS; i++) {
+		ctx->user[i].uid = i;
+		ctx->user[i].in_use = 0;
+		ctx->user[i].mode = DTS_MODE_INV;
+	}
+
+	/*Open and Close the Hardware to put it in to sleep state*/
+	crystalhd_hw_open(&ctx->hw_ctx, ctx->adp);
+	crystalhd_hw_close(&ctx->hw_ctx);
+	return BC_STS_SUCCESS;
+}
+
+/**
+ * crystalhd_delete_cmd_context - Release Command layer resources.
+ * @ctx: Command layer contextx.
+ *
+ * Return:
+ *	status
+ *
+ * Called at the time of driver un-load.
+ */
+BC_STATUS __devexit crystalhd_delete_cmd_context(struct crystalhd_cmd *ctx)
+{
+	BCMLOG(BCMLOG_DBG, "Deleting Command context..\n");
+
+	ctx->adp = NULL;
+
+	return BC_STS_SUCCESS;
+}
+
+/**
+ * crystalhd_get_cmd_proc  - Cproc table lookup.
+ * @ctx: Command layer contextx.
+ * @cmd: IOCTL command code.
+ * @uc: User ID context.
+ *
+ * Return:
+ *	command proc function pointer
+ *
+ * This function checks the process context, application's
+ * mode of operation and returns the function pointer
+ * from the cproc table.
+ */
+crystalhd_cmd_proc crystalhd_get_cmd_proc(struct crystalhd_cmd *ctx, uint32_t cmd,
+				      struct crystalhd_user *uc)
+{
+	crystalhd_cmd_proc cproc = NULL;
+	unsigned int i, tbl_sz;
+
+	if (!ctx) {
+		BCMLOG_ERR("Invalid arg.. Cmd[%d]\n", cmd);
+		return NULL;
+	}
+
+	if ((cmd != BCM_IOC_GET_DRV_STAT) && (ctx->state & BC_LINK_SUSPEND)) {
+		BCMLOG_ERR("Invalid State [suspend Set].. Cmd[%d]\n", cmd);
+		return NULL;
+	}
+
+	tbl_sz = sizeof(g_crystalhd_cproc_tbl) / sizeof(crystalhd_cmd_tbl_t);
+	for (i = 0; i < tbl_sz; i++) {
+		if (g_crystalhd_cproc_tbl[i].cmd_id == cmd) {
+			if ((uc->mode == DTS_MONITOR_MODE) &&
+			    (g_crystalhd_cproc_tbl[i].block_mon)) {
+				BCMLOG(BCMLOG_INFO, "Blocking cmd %d \n", cmd);
+				break;
+			}
+			cproc = g_crystalhd_cproc_tbl[i].cmd_proc;
+			break;
+		}
+	}
+
+	return cproc;
+}
+
+/**
+ * crystalhd_cmd_interrupt - ISR entry point
+ * @ctx: Command layer contextx.
+ *
+ * Return:
+ *	TRUE: If interrupt from bcm70012 device.
+ *
+ *
+ * ISR entry point from OS layer.
+ */
+bool crystalhd_cmd_interrupt(struct crystalhd_cmd *ctx)
+{
+	if (!ctx) {
+		BCMLOG_ERR("Invalid arg..\n");
+		return 0;
+	}
+
+	return crystalhd_hw_interrupt(ctx->adp, &ctx->hw_ctx);
+}
diff --git a/drivers/staging/crystalhd/crystalhd_cmds.h b/drivers/staging/crystalhd/crystalhd_cmds.h
new file mode 100644
index 000000000000..6b290aed8e0b
--- /dev/null
+++ b/drivers/staging/crystalhd/crystalhd_cmds.h
@@ -0,0 +1,88 @@
+/***************************************************************************
+ * Copyright (c) 2005-2009, Broadcom Corporation.
+ *
+ *  Name: crystalhd_cmds . h
+ *
+ *  Description:
+ *		BCM70010 Linux driver user command interfaces.
+ *
+ *  HISTORY:
+ *
+ **********************************************************************
+ * This file is part of the crystalhd device driver.
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This driver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this driver.  If not, see <http://www.gnu.org/licenses/>.
+ **********************************************************************/
+
+#ifndef _CRYSTALHD_CMDS_H_
+#define _CRYSTALHD_CMDS_H_
+
+/*
+ * NOTE:: This is the main interface file between the Linux layer
+ *        and the harware layer. This file will use the definitions
+ *        from _dts_glob and dts_defs etc.. which are defined for
+ *        windows.
+ */
+#include "crystalhd_misc.h"
+#include "crystalhd_hw.h"
+
+enum _crystalhd_state{
+	BC_LINK_INVALID		= 0x00,
+	BC_LINK_INIT		= 0x01,
+	BC_LINK_CAP_EN		= 0x02,
+	BC_LINK_FMT_CHG		= 0x04,
+	BC_LINK_SUSPEND		= 0x10,
+	BC_LINK_PAUSED		= 0x20,
+	BC_LINK_READY	= (BC_LINK_INIT | BC_LINK_CAP_EN | BC_LINK_FMT_CHG),
+};
+
+struct crystalhd_user {
+	uint32_t	uid;
+	uint32_t	in_use;
+	uint32_t	mode;
+};
+
+#define DTS_MODE_INV	(-1)
+
+struct crystalhd_cmd {
+	uint32_t		state;
+	struct crystalhd_adp	*adp;
+	struct crystalhd_user	user[BC_LINK_MAX_OPENS];
+
+	spinlock_t		ctx_lock;
+	uint32_t		tx_list_id;
+	uint32_t		cin_wait_exit;
+	uint32_t		pwr_state_change;
+	struct crystalhd_hw	hw_ctx;
+};
+
+typedef BC_STATUS (*crystalhd_cmd_proc)(struct crystalhd_cmd *, crystalhd_ioctl_data *);
+
+typedef struct _crystalhd_cmd_tbl {
+	uint32_t		cmd_id;
+	const crystalhd_cmd_proc	cmd_proc;
+	uint32_t		block_mon;
+} crystalhd_cmd_tbl_t;
+
+
+BC_STATUS crystalhd_suspend(struct crystalhd_cmd *ctx, crystalhd_ioctl_data *idata);
+BC_STATUS crystalhd_resume(struct crystalhd_cmd *ctx);
+crystalhd_cmd_proc crystalhd_get_cmd_proc(struct crystalhd_cmd *ctx, uint32_t cmd,
+				      struct crystalhd_user *uc);
+BC_STATUS crystalhd_user_open(struct crystalhd_cmd *ctx, struct crystalhd_user **user_ctx);
+BC_STATUS crystalhd_user_close(struct crystalhd_cmd *ctx, struct crystalhd_user *uc);
+BC_STATUS crystalhd_setup_cmd_context(struct crystalhd_cmd *ctx, struct crystalhd_adp *adp);
+BC_STATUS crystalhd_delete_cmd_context(struct crystalhd_cmd *ctx);
+bool crystalhd_cmd_interrupt(struct crystalhd_cmd *ctx);
+
+#endif
diff --git a/drivers/staging/crystalhd/crystalhd_fw_if.h b/drivers/staging/crystalhd/crystalhd_fw_if.h
new file mode 100644
index 000000000000..261cd19a0ee7
--- /dev/null
+++ b/drivers/staging/crystalhd/crystalhd_fw_if.h
@@ -0,0 +1,369 @@
+/***************************************************************************
+ * Copyright (c) 2005-2009, Broadcom Corporation.
+ *
+ *  Name: crystalhd_fw_if . h
+ *
+ *  Description:
+ *		BCM70012 Firmware interface definitions.
+ *
+ *  HISTORY:
+ *
+ **********************************************************************
+ * This file is part of the crystalhd device driver.
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This driver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this driver.  If not, see <http://www.gnu.org/licenses/>.
+ **********************************************************************/
+
+#ifndef _CRYSTALHD_FW_IF_H_
+#define _CRYSTALHD_FW_IF_H_
+
+/* TBD: Pull in only required defs into this file.. */
+
+
+
+/* User Data Header */
+typedef struct user_data {
+   struct user_data	*next;
+   uint32_t		type;
+   uint32_t		size;
+} UD_HDR;
+
+
+
+/*------------------------------------------------------*
+ *    MPEG Extension to the PPB			 *
+ *------------------------------------------------------*/
+typedef struct {
+   uint32_t		to_be_defined;
+   uint32_t		valid;
+
+   /* Always valid, defaults to picture size if no
+      sequence display extension in the stream. */
+   uint32_t		display_horizontal_size;
+   uint32_t		display_vertical_size;
+
+   /* MPEG_VALID_PANSCAN
+      Offsets are a copy values from the MPEG stream. */
+   uint32_t		offset_count;
+   int32_t		horizontal_offset[3];
+   int32_t		vertical_offset[3];
+
+   /* MPEG_VALID_USERDATA
+      User data is in the form of a linked list. */
+   int32_t		userDataSize;
+   UD_HDR		*userData;
+
+} PPB_MPEG;
+
+
+/*------------------------------------------------------*
+ *    VC1 Extension to the PPB			  *
+ *------------------------------------------------------*/
+typedef struct {
+   uint32_t		to_be_defined;
+   uint32_t		valid;
+
+   /* Always valid, defaults to picture size if no
+      sequence display extension in the stream. */
+   uint32_t		display_horizontal_size;
+   uint32_t		display_vertical_size;
+
+  /* VC1 pan scan windows */
+   uint32_t		num_panscan_windows;
+   int32_t		ps_horiz_offset[4];
+   int32_t		ps_vert_offset[4];
+   int32_t		ps_width[4];
+   int32_t		ps_height[4];
+
+   /* VC1_VALID_USERDATA
+      User data is in the form of a linked list. */
+   int32_t		userDataSize;
+   UD_HDR		*userData;
+
+} PPB_VC1;
+
+/*------------------------------------------------------*
+ *    H.264 Extension to the PPB			*
+ *------------------------------------------------------*/
+
+/**
+ * @brief Film grain SEI message.
+ *
+ * Content of the film grain SEI message.
+ */
+
+/* maximum number of model-values as for Thomson spec(standard says 5) */
+#define MAX_FGT_MODEL_VALUE	 (3)
+
+/* maximum number of intervals(as many as 256 intervals?) */
+#define MAX_FGT_VALUE_INTERVAL	(256)
+
+typedef struct FGT_SEI {
+    struct FGT_SEI *next;
+    unsigned char model_values[3][MAX_FGT_VALUE_INTERVAL][MAX_FGT_MODEL_VALUE];
+    unsigned char upper_bound[3][MAX_FGT_VALUE_INTERVAL];
+    unsigned char lower_bound[3][MAX_FGT_VALUE_INTERVAL];
+
+    unsigned char cancel_flag;	/* Cancel flag: 1 no film grain. */
+    unsigned char model_id;	/* Model id. */
+
+    /* +unused SE based on Thomson spec */
+    unsigned char color_desc_flag;	/* Separate color descrition flag. */
+    unsigned char bit_depth_luma;	/* Bit depth luma minus 8. */
+    unsigned char bit_depth_chroma;	/* Bit depth chroma minus 8. */
+    unsigned char full_range_flag;	/* Full range flag. */
+    unsigned char color_primaries;	/* Color primaries. */
+    unsigned char transfer_charact;	/* Transfer characteristics. */
+    unsigned char matrix_coeff;		/*< Matrix coefficients. */
+    /* -unused SE based on Thomson spec */
+
+    unsigned char blending_mode_id;	/* Blending mode. */
+    unsigned char log2_scale_factor;	/* Log2 scale factor (2-7). */
+    unsigned char comp_flag[3];		/* Components [0,2] parameters present flag. */
+    unsigned char num_intervals_minus1[3]; /* Number of intensity level intervals. */
+    unsigned char num_model_values[3];	/* Number of model values. */
+    uint16_t      repetition_period;	/* Repetition period (0-16384) */
+
+} FGT_SEI;
+
+typedef struct {
+   /* 'valid' specifies which fields (or sets of
+    * fields) below are valid.  If the corresponding
+    * bit in 'valid' is NOT set then that field(s)
+    * is (are) not initialized. */
+   uint32_t	valid;
+
+   int32_t		poc_top;	/* POC for Top Field/Frame */
+   int32_t		poc_bottom;	/* POC for Bottom Field    */
+   uint32_t		idr_pic_id;
+
+   /* H264_VALID_PANSCAN */
+   uint32_t		pan_scan_count;
+   int32_t		pan_scan_left[3];
+   int32_t		pan_scan_right[3];
+   int32_t		pan_scan_top[3];
+   int32_t		pan_scan_bottom[3];
+
+   /* H264_VALID_CT_TYPE */
+   uint32_t		ct_type_count;
+   uint32_t		ct_type[3];
+
+   /* H264_VALID_SPS_CROP */
+   int32_t		sps_crop_left;
+   int32_t		sps_crop_right;
+   int32_t		sps_crop_top;
+   int32_t		sps_crop_bottom;
+
+   /* H264_VALID_VUI */
+   uint32_t		chroma_top;
+   uint32_t		chroma_bottom;
+
+   /* H264_VALID_USER */
+   uint32_t		user_data_size;
+   UD_HDR		*user_data;
+
+   /* H264 VALID FGT */
+   FGT_SEI		*pfgt;
+
+} PPB_H264;
+
+typedef struct {
+   /* Common fields. */
+   uint32_t	picture_number;	/* Ordinal display number */
+   uint32_t	video_buffer;	/* Video (picbuf) number */
+   uint32_t	video_address;	/* Address of picbuf Y */
+   uint32_t	video_address_uv; /* Address of picbuf UV */
+   uint32_t	video_stripe;	/* Picbuf stripe */
+   uint32_t	video_width;	/* Picbuf width */
+   uint32_t	video_height;	/* Picbuf height */
+
+   uint32_t	channel_id;	/* Decoder channel ID */
+   uint32_t	status;		/* reserved */
+   uint32_t	width;		/* pixels */
+   uint32_t	height;		/* pixels */
+   uint32_t	chroma_format;	/* see above */
+   uint32_t	pulldown;	/* see above */
+   uint32_t	flags;		/* see above */
+   uint32_t	pts;		/* 32 LSBs of PTS */
+   uint32_t	protocol;	/* protocolXXX (above) */
+
+   uint32_t	frame_rate;	/* see above */
+   uint32_t	matrix_coeff;	/* see above */
+   uint32_t	aspect_ratio;	/* see above */
+   uint32_t	colour_primaries; /* see above */
+   uint32_t	transfer_char;	/* see above */
+   uint32_t	pcr_offset;	/* 45kHz if PCR type; else 27MHz */
+   uint32_t	n_drop;		/* Number of pictures to be dropped */
+
+   uint32_t	custom_aspect_ratio_width_height;
+			/* upper 16-bits is Y and lower 16-bits is X */
+
+   uint32_t	picture_tag;	/* Indexing tag from BUD packets */
+   uint32_t	picture_done_payload;
+   uint32_t	picture_meta_payload;
+   uint32_t	reserved[1];
+
+   /* Protocol-specific extensions. */
+   union {
+      PPB_H264	h264;
+      PPB_MPEG	mpeg;
+      PPB_VC1	 vc1;
+   } other;
+
+} PPB;
+
+typedef struct {
+   uint32_t	bFormatChange;
+   uint32_t	resolution;
+   uint32_t	channelId;
+   uint32_t	ppbPtr;
+   int32_t	ptsStcOffset;
+   uint32_t	zeroPanscanValid;
+   uint32_t	dramOutBufAddr;
+   uint32_t	yComponent;
+   PPB			ppb;
+
+} C011_PIB;
+
+
+
+typedef struct {
+    uint32_t	command;
+    uint32_t	sequence;
+    uint32_t	status;
+    uint32_t	picBuf;
+    uint32_t	picRelBuf;
+    uint32_t	picInfoDeliveryQ;
+    uint32_t	picInfoReleaseQ;
+    uint32_t	channelStatus;
+    uint32_t	userDataDeliveryQ;
+    uint32_t	userDataReleaseQ;
+    uint32_t	transportStreamCaptureAddr;
+    uint32_t	asyncEventQ;
+
+} DecRspChannelStartVideo;
+
+#define eCMD_C011_CMD_BASE	  (0x73763000)
+
+/* host commands */
+typedef enum {
+    eCMD_TS_GET_NEXT_PIC	= 0x7376F100, /* debug get next picture */
+    eCMD_TS_GET_LAST_PIC	= 0x7376F102, /* debug get last pic status */
+    eCMD_TS_READ_WRITE_MEM	= 0x7376F104, /* debug read write memory */
+
+    /* New API commands */
+    /* General commands */
+    eCMD_C011_INIT		= eCMD_C011_CMD_BASE + 0x01,
+    eCMD_C011_RESET		= eCMD_C011_CMD_BASE + 0x02,
+    eCMD_C011_SELF_TEST		= eCMD_C011_CMD_BASE + 0x03,
+    eCMD_C011_GET_VERSION	= eCMD_C011_CMD_BASE + 0x04,
+    eCMD_C011_GPIO		= eCMD_C011_CMD_BASE + 0x05,
+    eCMD_C011_DEBUG_SETUP	= eCMD_C011_CMD_BASE + 0x06,
+
+    /* Decoding commands */
+    eCMD_C011_DEC_CHAN_OPEN			= eCMD_C011_CMD_BASE + 0x100,
+    eCMD_C011_DEC_CHAN_CLOSE			= eCMD_C011_CMD_BASE + 0x101,
+    eCMD_C011_DEC_CHAN_ACTIVATE			= eCMD_C011_CMD_BASE + 0x102,
+    eCMD_C011_DEC_CHAN_STATUS			= eCMD_C011_CMD_BASE + 0x103,
+    eCMD_C011_DEC_CHAN_FLUSH			= eCMD_C011_CMD_BASE + 0x104,
+    eCMD_C011_DEC_CHAN_TRICK_PLAY		= eCMD_C011_CMD_BASE + 0x105,
+    eCMD_C011_DEC_CHAN_TS_PIDS			= eCMD_C011_CMD_BASE + 0x106,
+    eCMD_C011_DEC_CHAN_PS_STREAM_ID		= eCMD_C011_CMD_BASE + 0x107,
+    eCMD_C011_DEC_CHAN_INPUT_PARAMS		= eCMD_C011_CMD_BASE + 0x108,
+    eCMD_C011_DEC_CHAN_VIDEO_OUTPUT		= eCMD_C011_CMD_BASE + 0x109,
+    eCMD_C011_DEC_CHAN_OUTPUT_FORMAT		= eCMD_C011_CMD_BASE + 0x10A,
+    eCMD_C011_DEC_CHAN_SCALING_FILTERS		= eCMD_C011_CMD_BASE + 0x10B,
+    eCMD_C011_DEC_CHAN_OSD_MODE			= eCMD_C011_CMD_BASE + 0x10D,
+    eCMD_C011_DEC_CHAN_DROP			= eCMD_C011_CMD_BASE + 0x10E,
+    eCMD_C011_DEC_CHAN_RELEASE			= eCMD_C011_CMD_BASE + 0x10F,
+    eCMD_C011_DEC_CHAN_STREAM_SETTINGS		= eCMD_C011_CMD_BASE + 0x110,
+    eCMD_C011_DEC_CHAN_PAUSE_OUTPUT		= eCMD_C011_CMD_BASE + 0x111,
+    eCMD_C011_DEC_CHAN_CHANGE			= eCMD_C011_CMD_BASE + 0x112,
+    eCMD_C011_DEC_CHAN_SET_STC			= eCMD_C011_CMD_BASE + 0x113,
+    eCMD_C011_DEC_CHAN_SET_PTS			= eCMD_C011_CMD_BASE + 0x114,
+    eCMD_C011_DEC_CHAN_CC_MODE			= eCMD_C011_CMD_BASE + 0x115,
+    eCMD_C011_DEC_CREATE_AUDIO_CONTEXT		= eCMD_C011_CMD_BASE + 0x116,
+    eCMD_C011_DEC_COPY_AUDIO_CONTEXT		= eCMD_C011_CMD_BASE + 0x117,
+    eCMD_C011_DEC_DELETE_AUDIO_CONTEXT		= eCMD_C011_CMD_BASE + 0x118,
+    eCMD_C011_DEC_CHAN_SET_DECYPTION		= eCMD_C011_CMD_BASE + 0x119,
+    eCMD_C011_DEC_CHAN_START_VIDEO		= eCMD_C011_CMD_BASE + 0x11A,
+    eCMD_C011_DEC_CHAN_STOP_VIDEO		= eCMD_C011_CMD_BASE + 0x11B,
+    eCMD_C011_DEC_CHAN_PIC_CAPTURE		= eCMD_C011_CMD_BASE + 0x11C,
+    eCMD_C011_DEC_CHAN_PAUSE			= eCMD_C011_CMD_BASE + 0x11D,
+    eCMD_C011_DEC_CHAN_PAUSE_STATE		= eCMD_C011_CMD_BASE + 0x11E,
+    eCMD_C011_DEC_CHAN_SET_SLOWM_RATE		= eCMD_C011_CMD_BASE + 0x11F,
+    eCMD_C011_DEC_CHAN_GET_SLOWM_RATE		= eCMD_C011_CMD_BASE + 0x120,
+    eCMD_C011_DEC_CHAN_SET_FF_RATE		= eCMD_C011_CMD_BASE + 0x121,
+    eCMD_C011_DEC_CHAN_GET_FF_RATE		= eCMD_C011_CMD_BASE + 0x122,
+    eCMD_C011_DEC_CHAN_FRAME_ADVANCE		= eCMD_C011_CMD_BASE + 0x123,
+    eCMD_C011_DEC_CHAN_SET_SKIP_PIC_MODE	= eCMD_C011_CMD_BASE + 0x124,
+    eCMD_C011_DEC_CHAN_GET_SKIP_PIC_MODE	= eCMD_C011_CMD_BASE + 0x125,
+    eCMD_C011_DEC_CHAN_FILL_PIC_BUF		= eCMD_C011_CMD_BASE + 0x126,
+    eCMD_C011_DEC_CHAN_SET_CONTINUITY_CHECK	= eCMD_C011_CMD_BASE + 0x127,
+    eCMD_C011_DEC_CHAN_GET_CONTINUITY_CHECK	= eCMD_C011_CMD_BASE + 0x128,
+    eCMD_C011_DEC_CHAN_SET_BRCM_TRICK_MODE	= eCMD_C011_CMD_BASE + 0x129,
+    eCMD_C011_DEC_CHAN_GET_BRCM_TRICK_MODE	= eCMD_C011_CMD_BASE + 0x12A,
+    eCMD_C011_DEC_CHAN_REVERSE_FIELD_STATUS	= eCMD_C011_CMD_BASE + 0x12B,
+    eCMD_C011_DEC_CHAN_I_PICTURE_FOUND		= eCMD_C011_CMD_BASE + 0x12C,
+    eCMD_C011_DEC_CHAN_SET_PARAMETER		= eCMD_C011_CMD_BASE + 0x12D,
+    eCMD_C011_DEC_CHAN_SET_USER_DATA_MODE	= eCMD_C011_CMD_BASE + 0x12E,
+    eCMD_C011_DEC_CHAN_SET_PAUSE_DISPLAY_MODE	= eCMD_C011_CMD_BASE + 0x12F,
+    eCMD_C011_DEC_CHAN_SET_SLOW_DISPLAY_MODE	= eCMD_C011_CMD_BASE + 0x130,
+    eCMD_C011_DEC_CHAN_SET_FF_DISPLAY_MODE	= eCMD_C011_CMD_BASE + 0x131,
+    eCMD_C011_DEC_CHAN_SET_DISPLAY_TIMING_MODE	= eCMD_C011_CMD_BASE + 0x132,
+    eCMD_C011_DEC_CHAN_SET_DISPLAY_MODE		= eCMD_C011_CMD_BASE + 0x133,
+    eCMD_C011_DEC_CHAN_GET_DISPLAY_MODE		= eCMD_C011_CMD_BASE + 0x134,
+    eCMD_C011_DEC_CHAN_SET_REVERSE_FIELD	= eCMD_C011_CMD_BASE + 0x135,
+    eCMD_C011_DEC_CHAN_STREAM_OPEN		= eCMD_C011_CMD_BASE + 0x136,
+    eCMD_C011_DEC_CHAN_SET_PCR_PID		= eCMD_C011_CMD_BASE + 0x137,
+    eCMD_C011_DEC_CHAN_SET_VID_PID		= eCMD_C011_CMD_BASE + 0x138,
+    eCMD_C011_DEC_CHAN_SET_PAN_SCAN_MODE	= eCMD_C011_CMD_BASE + 0x139,
+    eCMD_C011_DEC_CHAN_START_DISPLAY_AT_PTS	= eCMD_C011_CMD_BASE + 0x140,
+    eCMD_C011_DEC_CHAN_STOP_DISPLAY_AT_PTS	= eCMD_C011_CMD_BASE + 0x141,
+    eCMD_C011_DEC_CHAN_SET_DISPLAY_ORDER	= eCMD_C011_CMD_BASE + 0x142,
+    eCMD_C011_DEC_CHAN_GET_DISPLAY_ORDER	= eCMD_C011_CMD_BASE + 0x143,
+    eCMD_C011_DEC_CHAN_SET_HOST_TRICK_MODE	= eCMD_C011_CMD_BASE + 0x144,
+    eCMD_C011_DEC_CHAN_SET_OPERATION_MODE	= eCMD_C011_CMD_BASE + 0x145,
+    eCMD_C011_DEC_CHAN_DISPLAY_PAUSE_UNTO_PTS	= eCMD_C011_CMD_BASE + 0x146,
+    eCMD_C011_DEC_CHAN_SET_PTS_STC_DIFF_THRESHOLD = eCMD_C011_CMD_BASE + 0x147,
+    eCMD_C011_DEC_CHAN_SEND_COMPRESSED_BUF	= eCMD_C011_CMD_BASE + 0x148,
+    eCMD_C011_DEC_CHAN_SET_CLIPPING		= eCMD_C011_CMD_BASE + 0x149,
+    eCMD_C011_DEC_CHAN_SET_PARAMETERS_FOR_HARD_RESET_INTERRUPT_TO_HOST
+						= eCMD_C011_CMD_BASE + 0x150,
+
+    /* Decoder RevD commands */
+    eCMD_C011_DEC_CHAN_SET_CSC	= eCMD_C011_CMD_BASE + 0x180, /* color space conversion */
+    eCMD_C011_DEC_CHAN_SET_RANGE_REMAP	= eCMD_C011_CMD_BASE + 0x181,
+    eCMD_C011_DEC_CHAN_SET_FGT		= eCMD_C011_CMD_BASE + 0x182,
+    /* Note: 0x183 not implemented yet in Rev D main */
+    eCMD_C011_DEC_CHAN_SET_LASTPICTURE_PADDING = eCMD_C011_CMD_BASE + 0x183,
+
+    /* Decoder 7412 commands (7412-only) */
+    eCMD_C011_DEC_CHAN_SET_CONTENT_KEY	= eCMD_C011_CMD_BASE + 0x190,
+    eCMD_C011_DEC_CHAN_SET_SESSION_KEY	= eCMD_C011_CMD_BASE + 0x191,
+    eCMD_C011_DEC_CHAN_FMT_CHANGE_ACK	= eCMD_C011_CMD_BASE + 0x192,
+
+    eCMD_C011_DEC_CHAN_CUSTOM_VIDOUT    = eCMD_C011_CMD_BASE + 0x1FF,
+
+    /* Encoding commands */
+    eCMD_C011_ENC_CHAN_OPEN		= eCMD_C011_CMD_BASE + 0x200,
+    eCMD_C011_ENC_CHAN_CLOSE		= eCMD_C011_CMD_BASE + 0x201,
+    eCMD_C011_ENC_CHAN_ACTIVATE		= eCMD_C011_CMD_BASE + 0x202,
+    eCMD_C011_ENC_CHAN_CONTROL		= eCMD_C011_CMD_BASE + 0x203,
+    eCMD_C011_ENC_CHAN_STATISTICS	= eCMD_C011_CMD_BASE + 0x204,
+
+    eNOTIFY_C011_ENC_CHAN_EVENT		= eCMD_C011_CMD_BASE + 0x210,
+
+} eC011_TS_CMD;
+
+#endif
diff --git a/drivers/staging/crystalhd/crystalhd_hw.c b/drivers/staging/crystalhd/crystalhd_hw.c
new file mode 100644
index 000000000000..01819d34201a
--- /dev/null
+++ b/drivers/staging/crystalhd/crystalhd_hw.c
@@ -0,0 +1,2395 @@
+/***************************************************************************
+ * Copyright (c) 2005-2009, Broadcom Corporation.
+ *
+ *  Name: crystalhd_hw . c
+ *
+ *  Description:
+ *		BCM70010 Linux driver HW layer.
+ *
+ **********************************************************************
+ * This file is part of the crystalhd device driver.
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This driver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this driver.  If not, see <http://www.gnu.org/licenses/>.
+ **********************************************************************/
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include "crystalhd_hw.h"
+
+/* Functions internal to this file */
+
+static void crystalhd_enable_uarts(struct crystalhd_adp *adp)
+{
+	bc_dec_reg_wr(adp, UartSelectA, BSVS_UART_STREAM);
+	bc_dec_reg_wr(adp, UartSelectB, BSVS_UART_DEC_OUTER);
+}
+
+
+static void crystalhd_start_dram(struct crystalhd_adp *adp)
+{
+	bc_dec_reg_wr(adp, SDRAM_PARAM, ((40 / 5 - 1) <<  0) |
+	/* tras (40ns tras)/(5ns period) -1 ((15/5 - 1) <<  4) | // trcd */
+		      ((15 / 5 - 1) <<  7) |	/* trp */
+		      ((10 / 5 - 1) << 10) |	/* trrd */
+		      ((15 / 5 + 1) << 12) |	/* twr */
+		      ((2 + 1) << 16) |		/* twtr */
+		      ((70 / 5 - 2) << 19) |	/* trfc */
+		      (0 << 23));
+
+	bc_dec_reg_wr(adp, SDRAM_PRECHARGE, 0);
+	bc_dec_reg_wr(adp, SDRAM_EXT_MODE, 2);
+	bc_dec_reg_wr(adp, SDRAM_MODE, 0x132);
+	bc_dec_reg_wr(adp, SDRAM_PRECHARGE, 0);
+	bc_dec_reg_wr(adp, SDRAM_REFRESH, 0);
+	bc_dec_reg_wr(adp, SDRAM_REFRESH, 0);
+	bc_dec_reg_wr(adp, SDRAM_MODE, 0x32);
+	/* setting the refresh rate here */
+	bc_dec_reg_wr(adp, SDRAM_REF_PARAM, ((1 << 12) | 96));
+}
+
+
+static bool crystalhd_bring_out_of_rst(struct crystalhd_adp *adp)
+{
+	link_misc_perst_deco_ctrl rst_deco_cntrl;
+	link_misc_perst_clk_ctrl rst_clk_cntrl;
+	uint32_t temp;
+
+	/*
+	 * Link clocks: MISC_PERST_CLOCK_CTRL Clear PLL power down bit,
+	 * delay to allow PLL to lock Clear alternate clock, stop clock bits
+	 */
+	rst_clk_cntrl.whole_reg = crystalhd_reg_rd(adp, MISC_PERST_CLOCK_CTRL);
+	rst_clk_cntrl.pll_pwr_dn = 0;
+	crystalhd_reg_wr(adp, MISC_PERST_CLOCK_CTRL, rst_clk_cntrl.whole_reg);
+	msleep_interruptible(50);
+
+	rst_clk_cntrl.whole_reg = crystalhd_reg_rd(adp, MISC_PERST_CLOCK_CTRL);
+	rst_clk_cntrl.stop_core_clk = 0;
+	rst_clk_cntrl.sel_alt_clk = 0;
+
+	crystalhd_reg_wr(adp, MISC_PERST_CLOCK_CTRL, rst_clk_cntrl.whole_reg);
+	msleep_interruptible(50);
+
+	/*
+	 * Bus Arbiter Timeout: GISB_ARBITER_TIMER
+	 * Set internal bus arbiter timeout to 40us based on core clock speed
+	 * (63MHz * 40us = 0x9D8)
+	 */
+	crystalhd_reg_wr(adp, GISB_ARBITER_TIMER, 0x9D8);
+
+	/*
+	 * Decoder clocks: MISC_PERST_DECODER_CTRL
+	 * Enable clocks while 7412 reset is asserted, delay
+	 * De-assert 7412 reset
+	 */
+	rst_deco_cntrl.whole_reg = crystalhd_reg_rd(adp, MISC_PERST_DECODER_CTRL);
+	rst_deco_cntrl.stop_bcm_7412_clk = 0;
+	rst_deco_cntrl.bcm7412_rst = 1;
+	crystalhd_reg_wr(adp, MISC_PERST_DECODER_CTRL, rst_deco_cntrl.whole_reg);
+	msleep_interruptible(10);
+
+	rst_deco_cntrl.whole_reg = crystalhd_reg_rd(adp, MISC_PERST_DECODER_CTRL);
+	rst_deco_cntrl.bcm7412_rst = 0;
+	crystalhd_reg_wr(adp, MISC_PERST_DECODER_CTRL, rst_deco_cntrl.whole_reg);
+	msleep_interruptible(50);
+
+	/* Disable OTP_CONTENT_MISC to 0 to disable all secure modes */
+	crystalhd_reg_wr(adp, OTP_CONTENT_MISC, 0);
+
+	/* Clear bit 29 of 0x404 */
+	temp = crystalhd_reg_rd(adp, PCIE_TL_TRANSACTION_CONFIGURATION);
+	temp &= ~BC_BIT(29);
+	crystalhd_reg_wr(adp, PCIE_TL_TRANSACTION_CONFIGURATION, temp);
+
+	/* 2.5V regulator must be set to 2.6 volts (+6%) */
+	/* FIXME: jarod: what's the point of this reg read? */
+	temp = crystalhd_reg_rd(adp, MISC_PERST_VREG_CTRL);
+	crystalhd_reg_wr(adp, MISC_PERST_VREG_CTRL, 0xF3);
+
+	return true;
+}
+
+static bool crystalhd_put_in_reset(struct crystalhd_adp *adp)
+{
+	link_misc_perst_deco_ctrl rst_deco_cntrl;
+	link_misc_perst_clk_ctrl  rst_clk_cntrl;
+	uint32_t                  temp;
+
+	/*
+	 * Decoder clocks: MISC_PERST_DECODER_CTRL
+	 * Assert 7412 reset, delay
+	 * Assert 7412 stop clock
+	 */
+	rst_deco_cntrl.whole_reg = crystalhd_reg_rd(adp, MISC_PERST_DECODER_CTRL);
+	rst_deco_cntrl.stop_bcm_7412_clk = 1;
+	crystalhd_reg_wr(adp, MISC_PERST_DECODER_CTRL, rst_deco_cntrl.whole_reg);
+	msleep_interruptible(50);
+
+	/* Bus Arbiter Timeout: GISB_ARBITER_TIMER
+	 * Set internal bus arbiter timeout to 40us based on core clock speed
+	 * (6.75MHZ * 40us = 0x10E)
+	 */
+	crystalhd_reg_wr(adp, GISB_ARBITER_TIMER, 0x10E);
+
+	/* Link clocks: MISC_PERST_CLOCK_CTRL
+	 * Stop core clk, delay
+	 * Set alternate clk, delay, set PLL power down
+	 */
+	rst_clk_cntrl.whole_reg = crystalhd_reg_rd(adp, MISC_PERST_CLOCK_CTRL);
+	rst_clk_cntrl.stop_core_clk = 1;
+	rst_clk_cntrl.sel_alt_clk = 1;
+	crystalhd_reg_wr(adp, MISC_PERST_CLOCK_CTRL, rst_clk_cntrl.whole_reg);
+	msleep_interruptible(50);
+
+	rst_clk_cntrl.whole_reg = crystalhd_reg_rd(adp, MISC_PERST_CLOCK_CTRL);
+	rst_clk_cntrl.pll_pwr_dn = 1;
+	crystalhd_reg_wr(adp, MISC_PERST_CLOCK_CTRL, rst_clk_cntrl.whole_reg);
+
+	/*
+	 * Read and restore the Transaction Configuration Register
+	 * after core reset
+	 */
+	temp = crystalhd_reg_rd(adp, PCIE_TL_TRANSACTION_CONFIGURATION);
+
+	/*
+	 * Link core soft reset: MISC3_RESET_CTRL
+	 * - Write BIT[0]=1 and read it back for core reset to take place
+	 */
+	crystalhd_reg_wr(adp, MISC3_RESET_CTRL, 1);
+	rst_deco_cntrl.whole_reg = crystalhd_reg_rd(adp, MISC3_RESET_CTRL);
+	msleep_interruptible(50);
+
+	/* restore the transaction configuration register */
+	crystalhd_reg_wr(adp, PCIE_TL_TRANSACTION_CONFIGURATION, temp);
+
+	return true;
+}
+
+static void crystalhd_disable_interrupts(struct crystalhd_adp *adp)
+{
+	intr_mask_reg   intr_mask;
+	intr_mask.whole_reg = crystalhd_reg_rd(adp, INTR_INTR_MSK_STS_REG);
+	intr_mask.mask_pcie_err = 1;
+	intr_mask.mask_pcie_rbusmast_err = 1;
+	intr_mask.mask_pcie_rgr_bridge   = 1;
+	intr_mask.mask_rx_done = 1;
+	intr_mask.mask_rx_err  = 1;
+	intr_mask.mask_tx_done = 1;
+	intr_mask.mask_tx_err  = 1;
+	crystalhd_reg_wr(adp, INTR_INTR_MSK_SET_REG, intr_mask.whole_reg);
+
+	return;
+}
+
+static void crystalhd_enable_interrupts(struct crystalhd_adp *adp)
+{
+	intr_mask_reg   intr_mask;
+	intr_mask.whole_reg = crystalhd_reg_rd(adp, INTR_INTR_MSK_STS_REG);
+	intr_mask.mask_pcie_err = 1;
+	intr_mask.mask_pcie_rbusmast_err = 1;
+	intr_mask.mask_pcie_rgr_bridge   = 1;
+	intr_mask.mask_rx_done = 1;
+	intr_mask.mask_rx_err  = 1;
+	intr_mask.mask_tx_done = 1;
+	intr_mask.mask_tx_err  = 1;
+	crystalhd_reg_wr(adp, INTR_INTR_MSK_CLR_REG, intr_mask.whole_reg);
+
+	return;
+}
+
+static void crystalhd_clear_errors(struct crystalhd_adp *adp)
+{
+	uint32_t reg;
+
+	/* FIXME: jarod: wouldn't we want to write a 0 to the reg? Or does the write clear the bits specified? */
+	reg = crystalhd_reg_rd(adp, MISC1_Y_RX_ERROR_STATUS);
+	if (reg)
+		crystalhd_reg_wr(adp, MISC1_Y_RX_ERROR_STATUS, reg);
+
+	reg = crystalhd_reg_rd(adp, MISC1_UV_RX_ERROR_STATUS);
+	if (reg)
+		crystalhd_reg_wr(adp, MISC1_UV_RX_ERROR_STATUS, reg);
+
+	reg = crystalhd_reg_rd(adp, MISC1_TX_DMA_ERROR_STATUS);
+	if (reg)
+		crystalhd_reg_wr(adp, MISC1_TX_DMA_ERROR_STATUS, reg);
+}
+
+static void crystalhd_clear_interrupts(struct crystalhd_adp *adp)
+{
+	uint32_t intr_sts = crystalhd_reg_rd(adp, INTR_INTR_STATUS);
+
+	if (intr_sts) {
+		crystalhd_reg_wr(adp, INTR_INTR_CLR_REG, intr_sts);
+
+		/* Write End Of Interrupt for PCIE */
+		crystalhd_reg_wr(adp, INTR_EOI_CTRL, 1);
+	}
+}
+
+static void crystalhd_soft_rst(struct crystalhd_adp *adp)
+{
+	uint32_t val;
+
+	/* Assert c011 soft reset*/
+	bc_dec_reg_wr(adp, DecHt_HostSwReset, 0x00000001);
+	msleep_interruptible(50);
+
+	/* Release c011 soft reset*/
+	bc_dec_reg_wr(adp, DecHt_HostSwReset, 0x00000000);
+
+	/* Disable Stuffing..*/
+	val = crystalhd_reg_rd(adp, MISC2_GLOBAL_CTRL);
+	val |= BC_BIT(8);
+	crystalhd_reg_wr(adp, MISC2_GLOBAL_CTRL, val);
+}
+
+static bool crystalhd_load_firmware_config(struct crystalhd_adp *adp)
+{
+	uint32_t i = 0, reg;
+
+	crystalhd_reg_wr(adp, DCI_DRAM_BASE_ADDR, (BC_DRAM_FW_CFG_ADDR >> 19));
+
+	crystalhd_reg_wr(adp, AES_CMD, 0);
+	crystalhd_reg_wr(adp, AES_CONFIG_INFO, (BC_DRAM_FW_CFG_ADDR & 0x7FFFF));
+	crystalhd_reg_wr(adp, AES_CMD, 0x1);
+
+	/* FIXME: jarod: I've seen this fail, and introducing extra delays helps... */
+	for (i = 0; i < 100; ++i) {
+		reg = crystalhd_reg_rd(adp, AES_STATUS);
+		if (reg & 0x1)
+			return true;
+		msleep_interruptible(10);
+	}
+
+	return false;
+}
+
+
+static bool crystalhd_start_device(struct crystalhd_adp *adp)
+{
+	uint32_t dbg_options, glb_cntrl = 0, reg_pwrmgmt = 0;
+
+	BCMLOG(BCMLOG_INFO, "Starting BCM70012 Device\n");
+
+	reg_pwrmgmt = crystalhd_reg_rd(adp, PCIE_DLL_DATA_LINK_CONTROL);
+	reg_pwrmgmt &= ~ASPM_L1_ENABLE;
+
+	crystalhd_reg_wr(adp, PCIE_DLL_DATA_LINK_CONTROL, reg_pwrmgmt);
+
+	if (!crystalhd_bring_out_of_rst(adp)) {
+		BCMLOG_ERR("Failed To Bring Link Out Of Reset\n");
+		return false;
+	}
+
+	crystalhd_disable_interrupts(adp);
+
+	crystalhd_clear_errors(adp);
+
+	crystalhd_clear_interrupts(adp);
+
+	crystalhd_enable_interrupts(adp);
+
+	/* Enable the option for getting the total no. of DWORDS
+	 * that have been transfered by the RXDMA engine
+	 */
+	dbg_options = crystalhd_reg_rd(adp, MISC1_DMA_DEBUG_OPTIONS_REG);
+	dbg_options |= 0x10;
+	crystalhd_reg_wr(adp, MISC1_DMA_DEBUG_OPTIONS_REG, dbg_options);
+
+	/* Enable PCI Global Control options */
+	glb_cntrl = crystalhd_reg_rd(adp, MISC2_GLOBAL_CTRL);
+	glb_cntrl |= 0x100;
+	glb_cntrl |= 0x8000;
+	crystalhd_reg_wr(adp, MISC2_GLOBAL_CTRL, glb_cntrl);
+
+	crystalhd_enable_interrupts(adp);
+
+	crystalhd_soft_rst(adp);
+	crystalhd_start_dram(adp);
+	crystalhd_enable_uarts(adp);
+
+	return true;
+}
+
+static bool crystalhd_stop_device(struct crystalhd_adp *adp)
+{
+	uint32_t reg;
+
+	BCMLOG(BCMLOG_INFO, "Stopping BCM70012 Device\n");
+	/* Clear and disable interrupts */
+	crystalhd_disable_interrupts(adp);
+	crystalhd_clear_errors(adp);
+	crystalhd_clear_interrupts(adp);
+
+	if (!crystalhd_put_in_reset(adp))
+		BCMLOG_ERR("Failed to Put Link To Reset State\n");
+
+	reg = crystalhd_reg_rd(adp, PCIE_DLL_DATA_LINK_CONTROL);
+	reg |= ASPM_L1_ENABLE;
+	crystalhd_reg_wr(adp, PCIE_DLL_DATA_LINK_CONTROL, reg);
+
+	/* Set PCI Clk Req */
+	reg = crystalhd_reg_rd(adp, PCIE_CLK_REQ_REG);
+	reg |= PCI_CLK_REQ_ENABLE;
+	crystalhd_reg_wr(adp, PCIE_CLK_REQ_REG, reg);
+
+	return true;
+}
+
+static crystalhd_rx_dma_pkt *crystalhd_hw_alloc_rx_pkt(struct crystalhd_hw *hw)
+{
+	unsigned long flags = 0;
+	crystalhd_rx_dma_pkt *temp = NULL;
+
+	if (!hw)
+		return NULL;
+
+	spin_lock_irqsave(&hw->lock, flags);
+	temp = hw->rx_pkt_pool_head;
+	if (temp) {
+		hw->rx_pkt_pool_head = hw->rx_pkt_pool_head->next;
+		temp->dio_req = NULL;
+		temp->pkt_tag = 0;
+		temp->flags = 0;
+	}
+	spin_unlock_irqrestore(&hw->lock, flags);
+
+	return temp;
+}
+
+static void crystalhd_hw_free_rx_pkt(struct crystalhd_hw *hw,
+				   crystalhd_rx_dma_pkt *pkt)
+{
+	unsigned long flags = 0;
+
+	if (!hw || !pkt)
+		return;
+
+	spin_lock_irqsave(&hw->lock, flags);
+	pkt->next = hw->rx_pkt_pool_head;
+	hw->rx_pkt_pool_head = pkt;
+	spin_unlock_irqrestore(&hw->lock, flags);
+}
+
+/*
+ * Call back from TX - IOQ deletion.
+ *
+ * This routine will release the TX DMA rings allocated
+ * druing setup_dma rings interface.
+ *
+ * Memory is allocated per DMA ring basis. This is just
+ * a place holder to be able to create the dio queues.
+ */
+static void crystalhd_tx_desc_rel_call_back(void *context, void *data)
+{
+}
+
+/*
+ * Rx Packet release callback..
+ *
+ * Release All user mapped capture buffers and Our DMA packets
+ * back to our free pool. The actual cleanup of the DMA
+ * ring descriptors happen during dma ring release.
+ */
+static void crystalhd_rx_pkt_rel_call_back(void *context, void *data)
+{
+	struct crystalhd_hw *hw = (struct crystalhd_hw *)context;
+	crystalhd_rx_dma_pkt *pkt = (crystalhd_rx_dma_pkt *)data;
+
+	if (!pkt || !hw) {
+		BCMLOG_ERR("Invalid arg - %p %p\n", hw, pkt);
+		return;
+	}
+
+	if (pkt->dio_req)
+		crystalhd_unmap_dio(hw->adp, pkt->dio_req);
+	else
+		BCMLOG_ERR("Missing dio_req: 0x%x\n", pkt->pkt_tag);
+
+	crystalhd_hw_free_rx_pkt(hw, pkt);
+}
+
+#define crystalhd_hw_delete_ioq(adp, q)		\
+	if (q) {				\
+		crystalhd_delete_dioq(adp, q);	\
+		q = NULL;			\
+	}
+
+static void crystalhd_hw_delete_ioqs(struct crystalhd_hw *hw)
+{
+	if (!hw)
+		return;
+
+	BCMLOG(BCMLOG_DBG, "Deleting IOQs \n");
+	crystalhd_hw_delete_ioq(hw->adp, hw->tx_actq);
+	crystalhd_hw_delete_ioq(hw->adp, hw->tx_freeq);
+	crystalhd_hw_delete_ioq(hw->adp, hw->rx_actq);
+	crystalhd_hw_delete_ioq(hw->adp, hw->rx_freeq);
+	crystalhd_hw_delete_ioq(hw->adp, hw->rx_rdyq);
+}
+
+#define crystalhd_hw_create_ioq(sts, hw, q, cb)			\
+do {								\
+	sts = crystalhd_create_dioq(hw->adp, &q, cb, hw);	\
+	if (sts != BC_STS_SUCCESS)				\
+		goto hw_create_ioq_err;				\
+} while (0)
+
+/*
+ * Create IOQs..
+ *
+ * TX - Active & Free
+ * RX - Active, Ready and Free.
+ */
+static BC_STATUS crystalhd_hw_create_ioqs(struct crystalhd_hw   *hw)
+{
+	BC_STATUS   sts = BC_STS_SUCCESS;
+
+	if (!hw) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	crystalhd_hw_create_ioq(sts, hw, hw->tx_freeq,
+			      crystalhd_tx_desc_rel_call_back);
+	crystalhd_hw_create_ioq(sts, hw, hw->tx_actq,
+			      crystalhd_tx_desc_rel_call_back);
+
+	crystalhd_hw_create_ioq(sts, hw, hw->rx_freeq,
+			      crystalhd_rx_pkt_rel_call_back);
+	crystalhd_hw_create_ioq(sts, hw, hw->rx_rdyq,
+			      crystalhd_rx_pkt_rel_call_back);
+	crystalhd_hw_create_ioq(sts, hw, hw->rx_actq,
+			      crystalhd_rx_pkt_rel_call_back);
+
+	return sts;
+
+hw_create_ioq_err:
+	crystalhd_hw_delete_ioqs(hw);
+
+	return sts;
+}
+
+
+static bool crystalhd_code_in_full(struct crystalhd_adp *adp, uint32_t needed_sz,
+				 bool b_188_byte_pkts,  uint8_t flags)
+{
+	uint32_t base, end, writep, readp;
+	uint32_t cpbSize, cpbFullness, fifoSize;
+
+	if (flags & 0x02) { /* ASF Bit is set */
+		base   = bc_dec_reg_rd(adp, REG_Dec_TsAudCDB2Base);
+		end    = bc_dec_reg_rd(adp, REG_Dec_TsAudCDB2End);
+		writep = bc_dec_reg_rd(adp, REG_Dec_TsAudCDB2Wrptr);
+		readp  = bc_dec_reg_rd(adp, REG_Dec_TsAudCDB2Rdptr);
+	} else if (b_188_byte_pkts) { /*Encrypted 188 byte packets*/
+		base   = bc_dec_reg_rd(adp, REG_Dec_TsUser0Base);
+		end    = bc_dec_reg_rd(adp, REG_Dec_TsUser0End);
+		writep = bc_dec_reg_rd(adp, REG_Dec_TsUser0Wrptr);
+		readp  = bc_dec_reg_rd(adp, REG_Dec_TsUser0Rdptr);
+	} else {
+		base   = bc_dec_reg_rd(adp, REG_DecCA_RegCinBase);
+		end    = bc_dec_reg_rd(adp, REG_DecCA_RegCinEnd);
+		writep = bc_dec_reg_rd(adp, REG_DecCA_RegCinWrPtr);
+		readp  = bc_dec_reg_rd(adp, REG_DecCA_RegCinRdPtr);
+	}
+
+	cpbSize = end - base;
+	if (writep >= readp)
+		cpbFullness = writep - readp;
+	else
+		cpbFullness = (end - base) - (readp - writep);
+
+	fifoSize = cpbSize - cpbFullness;
+
+	if (fifoSize < BC_INFIFO_THRESHOLD)
+		return true;
+
+	if (needed_sz > (fifoSize - BC_INFIFO_THRESHOLD))
+		return true;
+
+	return false;
+}
+
+static BC_STATUS crystalhd_hw_tx_req_complete(struct crystalhd_hw *hw,
+					    uint32_t list_id, BC_STATUS cs)
+{
+	tx_dma_pkt *tx_req;
+
+	if (!hw || !list_id) {
+		BCMLOG_ERR("Invalid Arg..\n");
+		return BC_STS_INV_ARG;
+	}
+
+	hw->pwr_lock--;
+
+	tx_req = (tx_dma_pkt *)crystalhd_dioq_find_and_fetch(hw->tx_actq, list_id);
+	if (!tx_req) {
+		if (cs != BC_STS_IO_USER_ABORT)
+			BCMLOG_ERR("Find and Fetch Did not find req\n");
+		return BC_STS_NO_DATA;
+	}
+
+	if (tx_req->call_back) {
+		tx_req->call_back(tx_req->dio_req, tx_req->cb_event, cs);
+		tx_req->dio_req   = NULL;
+		tx_req->cb_event  = NULL;
+		tx_req->call_back = NULL;
+	} else {
+		BCMLOG(BCMLOG_DBG, "Missing Tx Callback - %X\n",
+		       tx_req->list_tag);
+	}
+
+	/* Now put back the tx_list back in FreeQ */
+	tx_req->list_tag = 0;
+
+	return crystalhd_dioq_add(hw->tx_freeq, tx_req, false, 0);
+}
+
+static bool crystalhd_tx_list0_handler(struct crystalhd_hw *hw, uint32_t err_sts)
+{
+	uint32_t err_mask, tmp;
+	unsigned long flags = 0;
+
+	err_mask = MISC1_TX_DMA_ERROR_STATUS_TX_L0_DESC_TX_ABORT_ERRORS_MASK |
+		MISC1_TX_DMA_ERROR_STATUS_TX_L0_DMA_DATA_TX_ABORT_ERRORS_MASK |
+		MISC1_TX_DMA_ERROR_STATUS_TX_L0_FIFO_FULL_ERRORS_MASK;
+
+	if (!(err_sts & err_mask))
+		return false;
+
+	BCMLOG_ERR("Error on Tx-L0 %x \n", err_sts);
+
+	tmp = err_mask;
+
+	if (err_sts & MISC1_TX_DMA_ERROR_STATUS_TX_L0_FIFO_FULL_ERRORS_MASK)
+		tmp &= ~MISC1_TX_DMA_ERROR_STATUS_TX_L0_FIFO_FULL_ERRORS_MASK;
+
+	if (tmp) {
+		spin_lock_irqsave(&hw->lock, flags);
+		/* reset list index.*/
+		hw->tx_list_post_index = 0;
+		spin_unlock_irqrestore(&hw->lock, flags);
+	}
+
+	tmp = err_sts & err_mask;
+	crystalhd_reg_wr(hw->adp, MISC1_TX_DMA_ERROR_STATUS, tmp);
+
+	return true;
+}
+
+static bool crystalhd_tx_list1_handler(struct crystalhd_hw *hw, uint32_t err_sts)
+{
+	uint32_t err_mask, tmp;
+	unsigned long flags = 0;
+
+	err_mask = MISC1_TX_DMA_ERROR_STATUS_TX_L1_DESC_TX_ABORT_ERRORS_MASK |
+		MISC1_TX_DMA_ERROR_STATUS_TX_L1_DMA_DATA_TX_ABORT_ERRORS_MASK |
+		MISC1_TX_DMA_ERROR_STATUS_TX_L1_FIFO_FULL_ERRORS_MASK;
+
+	if (!(err_sts & err_mask))
+		return false;
+
+	BCMLOG_ERR("Error on Tx-L1 %x \n", err_sts);
+
+	tmp = err_mask;
+
+	if (err_sts & MISC1_TX_DMA_ERROR_STATUS_TX_L1_FIFO_FULL_ERRORS_MASK)
+		tmp &= ~MISC1_TX_DMA_ERROR_STATUS_TX_L1_FIFO_FULL_ERRORS_MASK;
+
+	if (tmp) {
+		spin_lock_irqsave(&hw->lock, flags);
+		/* reset list index.*/
+		hw->tx_list_post_index = 0;
+		spin_unlock_irqrestore(&hw->lock, flags);
+	}
+
+	tmp = err_sts & err_mask;
+	crystalhd_reg_wr(hw->adp, MISC1_TX_DMA_ERROR_STATUS, tmp);
+
+	return true;
+}
+
+static void crystalhd_tx_isr(struct crystalhd_hw *hw, uint32_t int_sts)
+{
+	uint32_t err_sts;
+
+	if (int_sts & INTR_INTR_STATUS_L0_TX_DMA_DONE_INTR_MASK)
+		crystalhd_hw_tx_req_complete(hw, hw->tx_ioq_tag_seed + 0,
+					   BC_STS_SUCCESS);
+
+	if (int_sts & INTR_INTR_STATUS_L1_TX_DMA_DONE_INTR_MASK)
+		crystalhd_hw_tx_req_complete(hw, hw->tx_ioq_tag_seed + 1,
+					   BC_STS_SUCCESS);
+
+	if (!(int_sts & (INTR_INTR_STATUS_L0_TX_DMA_ERR_INTR_MASK |
+			 INTR_INTR_STATUS_L1_TX_DMA_ERR_INTR_MASK))) {
+			 /* No error mask set.. */
+			 return;
+	}
+
+	/* Handle Tx errors. */
+	err_sts = crystalhd_reg_rd(hw->adp, MISC1_TX_DMA_ERROR_STATUS);
+
+	if (crystalhd_tx_list0_handler(hw, err_sts))
+		crystalhd_hw_tx_req_complete(hw, hw->tx_ioq_tag_seed + 0,
+					   BC_STS_ERROR);
+
+	if (crystalhd_tx_list1_handler(hw, err_sts))
+		crystalhd_hw_tx_req_complete(hw, hw->tx_ioq_tag_seed + 1,
+					   BC_STS_ERROR);
+
+	hw->stats.tx_errors++;
+}
+
+static void crystalhd_hw_dump_desc(pdma_descriptor p_dma_desc,
+				 uint32_t ul_desc_index, uint32_t cnt)
+{
+	uint32_t ix, ll = 0;
+
+	if (!p_dma_desc || !cnt)
+		return;
+
+	/* FIXME: jarod: perhaps a modparam desc_debug to enable this, rather than
+	 * setting ll (log level, I presume) to non-zero? */
+	if (!ll)
+		return;
+
+	for (ix = ul_desc_index; ix < (ul_desc_index + cnt); ix++) {
+		BCMLOG(ll, "%s[%d] Buff[%x:%x] Next:[%x:%x] XferSz:%x Intr:%x,Last:%x\n",
+		       ((p_dma_desc[ul_desc_index].dma_dir) ? "TDesc" : "RDesc"),
+		       ul_desc_index,
+		       p_dma_desc[ul_desc_index].buff_addr_high,
+		       p_dma_desc[ul_desc_index].buff_addr_low,
+		       p_dma_desc[ul_desc_index].next_desc_addr_high,
+		       p_dma_desc[ul_desc_index].next_desc_addr_low,
+		       p_dma_desc[ul_desc_index].xfer_size,
+		       p_dma_desc[ul_desc_index].intr_enable,
+		       p_dma_desc[ul_desc_index].last_rec_indicator);
+	}
+
+}
+
+static BC_STATUS crystalhd_hw_fill_desc(crystalhd_dio_req *ioreq,
+				      dma_descriptor *desc,
+				      dma_addr_t desc_paddr_base,
+				      uint32_t sg_cnt, uint32_t sg_st_ix,
+				      uint32_t sg_st_off, uint32_t xfr_sz)
+{
+	uint32_t count = 0, ix = 0, sg_ix = 0, len = 0, last_desc_ix = 0;
+	dma_addr_t desc_phy_addr = desc_paddr_base;
+	addr_64 addr_temp;
+
+	if (!ioreq || !desc || !desc_paddr_base || !xfr_sz ||
+	    (!sg_cnt && !ioreq->uinfo.dir_tx)) {
+		BCMLOG_ERR("Invalid Args\n");
+		return BC_STS_INV_ARG;
+	}
+
+	for (ix = 0; ix < sg_cnt; ix++) {
+
+		/* Setup SGLE index. */
+		sg_ix = ix + sg_st_ix;
+
+		/* Get SGLE length */
+		len = crystalhd_get_sgle_len(ioreq, sg_ix);
+		if (len % 4) {
+			BCMLOG_ERR(" len in sg %d %d %d\n", len, sg_ix, sg_cnt);
+			return BC_STS_NOT_IMPL;
+		}
+		/* Setup DMA desc with Phy addr & Length at current index. */
+		addr_temp.full_addr = crystalhd_get_sgle_paddr(ioreq, sg_ix);
+		if (sg_ix == sg_st_ix) {
+			addr_temp.full_addr += sg_st_off;
+			len -= sg_st_off;
+		}
+		memset(&desc[ix], 0, sizeof(desc[ix]));
+		desc[ix].buff_addr_low  = addr_temp.low_part;
+		desc[ix].buff_addr_high = addr_temp.high_part;
+		desc[ix].dma_dir        = ioreq->uinfo.dir_tx;
+
+		/* Chain DMA descriptor.  */
+		addr_temp.full_addr = desc_phy_addr + sizeof(dma_descriptor);
+		desc[ix].next_desc_addr_low = addr_temp.low_part;
+		desc[ix].next_desc_addr_high = addr_temp.high_part;
+
+		if ((count + len) > xfr_sz)
+			len = xfr_sz - count;
+
+		/* Debug.. */
+		if ((!len) || (len > crystalhd_get_sgle_len(ioreq, sg_ix))) {
+			BCMLOG_ERR("inv-len(%x) Ix(%d) count:%x xfr_sz:%x sg_cnt:%d\n",
+				   len, ix, count, xfr_sz, sg_cnt);
+			return BC_STS_ERROR;
+		}
+		/* Length expects Multiple of 4 */
+		desc[ix].xfer_size = (len / 4);
+
+		crystalhd_hw_dump_desc(desc, ix, 1);
+
+		count += len;
+		desc_phy_addr += sizeof(dma_descriptor);
+	}
+
+	last_desc_ix = ix - 1;
+
+	if (ioreq->fb_size) {
+		memset(&desc[ix], 0, sizeof(desc[ix]));
+		addr_temp.full_addr     = ioreq->fb_pa;
+		desc[ix].buff_addr_low  = addr_temp.low_part;
+		desc[ix].buff_addr_high = addr_temp.high_part;
+		desc[ix].dma_dir        = ioreq->uinfo.dir_tx;
+		desc[ix].xfer_size	= 1;
+		desc[ix].fill_bytes	= 4 - ioreq->fb_size;
+		count += ioreq->fb_size;
+		last_desc_ix++;
+	}
+
+	/* setup last descriptor..*/
+	desc[last_desc_ix].last_rec_indicator  = 1;
+	desc[last_desc_ix].next_desc_addr_low  = 0;
+	desc[last_desc_ix].next_desc_addr_high = 0;
+	desc[last_desc_ix].intr_enable = 1;
+
+	crystalhd_hw_dump_desc(desc, last_desc_ix, 1);
+
+	if (count != xfr_sz) {
+		BCMLOG_ERR("interal error sz curr:%x exp:%x\n", count, xfr_sz);
+		return BC_STS_ERROR;
+	}
+
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS crystalhd_xlat_sgl_to_dma_desc(crystalhd_dio_req *ioreq,
+					      pdma_desc_mem pdesc_mem,
+					      uint32_t *uv_desc_index)
+{
+	dma_descriptor *desc = NULL;
+	dma_addr_t desc_paddr_base = 0;
+	uint32_t sg_cnt = 0, sg_st_ix = 0, sg_st_off = 0;
+	uint32_t xfr_sz = 0;
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	/* Check params.. */
+	if (!ioreq || !pdesc_mem || !uv_desc_index) {
+		BCMLOG_ERR("Invalid Args\n");
+		return BC_STS_INV_ARG;
+	}
+
+	if (!pdesc_mem->sz || !pdesc_mem->pdma_desc_start ||
+	    !ioreq->sg || (!ioreq->sg_cnt && !ioreq->uinfo.dir_tx)) {
+		BCMLOG_ERR("Invalid Args\n");
+		return BC_STS_INV_ARG;
+	}
+
+	if ((ioreq->uinfo.dir_tx) && (ioreq->uinfo.uv_offset)) {
+		BCMLOG_ERR("UV offset for TX??\n");
+		return BC_STS_INV_ARG;
+
+	}
+
+	desc = pdesc_mem->pdma_desc_start;
+	desc_paddr_base = pdesc_mem->phy_addr;
+
+	if (ioreq->uinfo.dir_tx || (ioreq->uinfo.uv_offset == 0)) {
+		sg_cnt = ioreq->sg_cnt;
+		xfr_sz = ioreq->uinfo.xfr_len;
+	} else {
+		sg_cnt = ioreq->uinfo.uv_sg_ix + 1;
+		xfr_sz = ioreq->uinfo.uv_offset;
+	}
+
+	sts = crystalhd_hw_fill_desc(ioreq, desc, desc_paddr_base, sg_cnt,
+				   sg_st_ix, sg_st_off, xfr_sz);
+
+	if ((sts != BC_STS_SUCCESS) || !ioreq->uinfo.uv_offset)
+		return sts;
+
+	/* Prepare for UV mapping.. */
+	desc = &pdesc_mem->pdma_desc_start[sg_cnt];
+	desc_paddr_base = pdesc_mem->phy_addr +
+			  (sg_cnt * sizeof(dma_descriptor));
+
+	/* Done with desc addr.. now update sg stuff.*/
+	sg_cnt    = ioreq->sg_cnt - ioreq->uinfo.uv_sg_ix;
+	xfr_sz    = ioreq->uinfo.xfr_len - ioreq->uinfo.uv_offset;
+	sg_st_ix  = ioreq->uinfo.uv_sg_ix;
+	sg_st_off = ioreq->uinfo.uv_sg_off;
+
+	sts = crystalhd_hw_fill_desc(ioreq, desc, desc_paddr_base, sg_cnt,
+				   sg_st_ix, sg_st_off, xfr_sz);
+	if (sts != BC_STS_SUCCESS)
+		return sts;
+
+	*uv_desc_index = sg_st_ix;
+
+	return sts;
+}
+
+static void crystalhd_start_tx_dma_engine(struct crystalhd_hw *hw)
+{
+	uint32_t dma_cntrl;
+
+	dma_cntrl = crystalhd_reg_rd(hw->adp, MISC1_TX_SW_DESC_LIST_CTRL_STS);
+	if (!(dma_cntrl & DMA_START_BIT)) {
+		dma_cntrl |= DMA_START_BIT;
+		crystalhd_reg_wr(hw->adp, MISC1_TX_SW_DESC_LIST_CTRL_STS,
+			       dma_cntrl);
+	}
+
+	return;
+}
+
+/* _CHECK_THIS_
+ *
+ * Verify if the Stop generates a completion interrupt or not.
+ * if it does not generate an interrupt, then add polling here.
+ */
+static BC_STATUS crystalhd_stop_tx_dma_engine(struct crystalhd_hw *hw)
+{
+	uint32_t dma_cntrl, cnt = 30;
+	uint32_t l1 = 1, l2 = 1;
+	unsigned long flags = 0;
+
+	dma_cntrl = crystalhd_reg_rd(hw->adp, MISC1_TX_SW_DESC_LIST_CTRL_STS);
+
+	BCMLOG(BCMLOG_DBG, "Stopping TX DMA Engine..\n");
+
+	/* FIXME: jarod: invert dma_ctrl and check bit? or are there missing parens? */
+	if (!dma_cntrl & DMA_START_BIT) {
+		BCMLOG(BCMLOG_DBG, "Already Stopped\n");
+		return BC_STS_SUCCESS;
+	}
+
+	crystalhd_disable_interrupts(hw->adp);
+
+	/* Issue stop to HW */
+	/* This bit when set gave problems. Please check*/
+	dma_cntrl &= ~DMA_START_BIT;
+	crystalhd_reg_wr(hw->adp, MISC1_TX_SW_DESC_LIST_CTRL_STS, dma_cntrl);
+
+	BCMLOG(BCMLOG_DBG, "Cleared the DMA Start bit\n");
+
+	/* Poll for 3seconds (30 * 100ms) on both the lists..*/
+	while ((l1 || l2) && cnt) {
+
+		if (l1) {
+			l1 = crystalhd_reg_rd(hw->adp, MISC1_TX_FIRST_DESC_L_ADDR_LIST0);
+			l1 &= DMA_START_BIT;
+		}
+
+		if (l2) {
+			l2 = crystalhd_reg_rd(hw->adp, MISC1_TX_FIRST_DESC_L_ADDR_LIST1);
+			l2 &= DMA_START_BIT;
+		}
+
+		msleep_interruptible(100);
+
+		cnt--;
+	}
+
+	if (!cnt) {
+		BCMLOG_ERR("Failed to stop TX DMA.. l1 %d, l2 %d\n", l1, l2);
+		crystalhd_enable_interrupts(hw->adp);
+		return BC_STS_ERROR;
+	}
+
+	spin_lock_irqsave(&hw->lock, flags);
+	hw->tx_list_post_index = 0;
+	spin_unlock_irqrestore(&hw->lock, flags);
+	BCMLOG(BCMLOG_DBG, "stopped TX DMA..\n");
+	crystalhd_enable_interrupts(hw->adp);
+
+	return BC_STS_SUCCESS;
+}
+
+static uint32_t crystalhd_get_pib_avail_cnt(struct crystalhd_hw *hw)
+{
+	/*
+	* Position of the PIB Entries can be found at
+	* 0th and the 1st location of the Circular list.
+	*/
+	uint32_t Q_addr;
+	uint32_t pib_cnt, r_offset, w_offset;
+
+	Q_addr = hw->pib_del_Q_addr;
+
+	/* Get the Read Pointer */
+	crystalhd_mem_rd(hw->adp, Q_addr, 1, &r_offset);
+
+	/* Get the Write Pointer */
+	crystalhd_mem_rd(hw->adp, Q_addr + sizeof(uint32_t), 1, &w_offset);
+
+	if (r_offset == w_offset)
+		return 0;	/* Queue is empty */
+
+	if (w_offset > r_offset)
+		pib_cnt = w_offset - r_offset;
+	else
+		pib_cnt = (w_offset + MAX_PIB_Q_DEPTH) -
+			  (r_offset + MIN_PIB_Q_DEPTH);
+
+	if (pib_cnt > MAX_PIB_Q_DEPTH) {
+		BCMLOG_ERR("Invalid PIB Count (%u)\n", pib_cnt);
+		return 0;
+	}
+
+	return pib_cnt;
+}
+
+static uint32_t crystalhd_get_addr_from_pib_Q(struct crystalhd_hw *hw)
+{
+	uint32_t Q_addr;
+	uint32_t addr_entry, r_offset, w_offset;
+
+	Q_addr = hw->pib_del_Q_addr;
+
+	/* Get the Read Pointer 0Th Location is Read Pointer */
+	crystalhd_mem_rd(hw->adp, Q_addr, 1, &r_offset);
+
+	/* Get the Write Pointer 1st Location is Write pointer */
+	crystalhd_mem_rd(hw->adp, Q_addr + sizeof(uint32_t), 1, &w_offset);
+
+	/* Queue is empty */
+	if (r_offset == w_offset)
+		return 0;
+
+	if ((r_offset < MIN_PIB_Q_DEPTH) || (r_offset >= MAX_PIB_Q_DEPTH))
+		return 0;
+
+	/* Get the Actual Address of the PIB */
+	crystalhd_mem_rd(hw->adp, Q_addr + (r_offset * sizeof(uint32_t)),
+		       1, &addr_entry);
+
+	/* Increment the Read Pointer */
+	r_offset++;
+
+	if (MAX_PIB_Q_DEPTH == r_offset)
+		r_offset = MIN_PIB_Q_DEPTH;
+
+	/* Write back the read pointer to It's Location */
+	crystalhd_mem_wr(hw->adp, Q_addr, 1, &r_offset);
+
+	return addr_entry;
+}
+
+static bool crystalhd_rel_addr_to_pib_Q(struct crystalhd_hw *hw, uint32_t addr_to_rel)
+{
+	uint32_t Q_addr;
+	uint32_t r_offset, w_offset, n_offset;
+
+	Q_addr = hw->pib_rel_Q_addr;
+
+	/* Get the Read Pointer */
+	crystalhd_mem_rd(hw->adp, Q_addr, 1, &r_offset);
+
+	/* Get the Write Pointer */
+	crystalhd_mem_rd(hw->adp, Q_addr + sizeof(uint32_t), 1, &w_offset);
+
+	if ((r_offset < MIN_PIB_Q_DEPTH) ||
+	    (r_offset >= MAX_PIB_Q_DEPTH))
+		return false;
+
+	n_offset = w_offset + 1;
+
+	if (MAX_PIB_Q_DEPTH == n_offset)
+		n_offset = MIN_PIB_Q_DEPTH;
+
+	if (r_offset == n_offset)
+		return false; /* should never happen */
+
+	/* Write the DRAM ADDR to the Queue at Next Offset */
+	crystalhd_mem_wr(hw->adp, Q_addr + (w_offset * sizeof(uint32_t)),
+		       1, &addr_to_rel);
+
+	/* Put the New value of the write pointer in Queue */
+	crystalhd_mem_wr(hw->adp, Q_addr + sizeof(uint32_t), 1, &n_offset);
+
+	return true;
+}
+
+static void cpy_pib_to_app(C011_PIB *src_pib, BC_PIC_INFO_BLOCK *dst_pib)
+{
+	if (!src_pib || !dst_pib) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return;
+	}
+
+	dst_pib->timeStamp           = 0;
+	dst_pib->picture_number      = src_pib->ppb.picture_number;
+	dst_pib->width               = src_pib->ppb.width;
+	dst_pib->height              = src_pib->ppb.height;
+	dst_pib->chroma_format       = src_pib->ppb.chroma_format;
+	dst_pib->pulldown            = src_pib->ppb.pulldown;
+	dst_pib->flags               = src_pib->ppb.flags;
+	dst_pib->sess_num            = src_pib->ptsStcOffset;
+	dst_pib->aspect_ratio        = src_pib->ppb.aspect_ratio;
+	dst_pib->colour_primaries     = src_pib->ppb.colour_primaries;
+	dst_pib->picture_meta_payload = src_pib->ppb.picture_meta_payload;
+	dst_pib->frame_rate		= src_pib->resolution ;
+	return;
+}
+
+static void crystalhd_hw_proc_pib(struct crystalhd_hw *hw)
+{
+	unsigned int cnt;
+	C011_PIB src_pib;
+	uint32_t pib_addr, pib_cnt;
+	BC_PIC_INFO_BLOCK *AppPib;
+	crystalhd_rx_dma_pkt *rx_pkt = NULL;
+
+	pib_cnt = crystalhd_get_pib_avail_cnt(hw);
+
+	if (!pib_cnt)
+		return;
+
+	for (cnt = 0; cnt < pib_cnt; cnt++) {
+
+		pib_addr = crystalhd_get_addr_from_pib_Q(hw);
+		crystalhd_mem_rd(hw->adp, pib_addr, sizeof(C011_PIB) / 4,
+			       (uint32_t *)&src_pib);
+
+		if (src_pib.bFormatChange) {
+			rx_pkt = (crystalhd_rx_dma_pkt *)crystalhd_dioq_fetch(hw->rx_freeq);
+			if (!rx_pkt)
+				return;
+			rx_pkt->flags = 0;
+			rx_pkt->flags |= COMP_FLAG_PIB_VALID | COMP_FLAG_FMT_CHANGE;
+			AppPib = &rx_pkt->pib;
+			cpy_pib_to_app(&src_pib, AppPib);
+
+			BCMLOG(BCMLOG_DBG,
+			       "App PIB:%x %x %x %x %x %x %x %x %x %x\n",
+			       rx_pkt->pib.picture_number,
+			       rx_pkt->pib.aspect_ratio,
+			       rx_pkt->pib.chroma_format,
+			       rx_pkt->pib.colour_primaries,
+			       rx_pkt->pib.frame_rate,
+			       rx_pkt->pib.height,
+			       rx_pkt->pib.height,
+			       rx_pkt->pib.n_drop,
+			       rx_pkt->pib.pulldown,
+			       rx_pkt->pib.ycom);
+
+			crystalhd_dioq_add(hw->rx_rdyq, (void *)rx_pkt, true, rx_pkt->pkt_tag);
+
+		}
+
+		crystalhd_rel_addr_to_pib_Q(hw, pib_addr);
+	}
+}
+
+static void crystalhd_start_rx_dma_engine(struct crystalhd_hw *hw)
+{
+	uint32_t        dma_cntrl;
+
+	dma_cntrl = crystalhd_reg_rd(hw->adp, MISC1_Y_RX_SW_DESC_LIST_CTRL_STS);
+	if (!(dma_cntrl & DMA_START_BIT)) {
+		dma_cntrl |= DMA_START_BIT;
+		crystalhd_reg_wr(hw->adp, MISC1_Y_RX_SW_DESC_LIST_CTRL_STS, dma_cntrl);
+	}
+
+	dma_cntrl = crystalhd_reg_rd(hw->adp, MISC1_UV_RX_SW_DESC_LIST_CTRL_STS);
+	if (!(dma_cntrl & DMA_START_BIT)) {
+		dma_cntrl |= DMA_START_BIT;
+		crystalhd_reg_wr(hw->adp, MISC1_UV_RX_SW_DESC_LIST_CTRL_STS, dma_cntrl);
+	}
+
+	return;
+}
+
+static void crystalhd_stop_rx_dma_engine(struct crystalhd_hw *hw)
+{
+	uint32_t dma_cntrl = 0, count = 30;
+	uint32_t l0y = 1, l0uv = 1, l1y = 1, l1uv = 1;
+
+	dma_cntrl = crystalhd_reg_rd(hw->adp, MISC1_Y_RX_SW_DESC_LIST_CTRL_STS);
+	if ((dma_cntrl & DMA_START_BIT)) {
+		dma_cntrl &= ~DMA_START_BIT;
+		crystalhd_reg_wr(hw->adp, MISC1_Y_RX_SW_DESC_LIST_CTRL_STS, dma_cntrl);
+	}
+
+	dma_cntrl = crystalhd_reg_rd(hw->adp, MISC1_UV_RX_SW_DESC_LIST_CTRL_STS);
+	if ((dma_cntrl & DMA_START_BIT)) {
+		dma_cntrl &= ~DMA_START_BIT;
+		crystalhd_reg_wr(hw->adp, MISC1_UV_RX_SW_DESC_LIST_CTRL_STS, dma_cntrl);
+	}
+
+	/* Poll for 3seconds (30 * 100ms) on both the lists..*/
+	while ((l0y || l0uv || l1y || l1uv) && count) {
+
+		if (l0y) {
+			l0y = crystalhd_reg_rd(hw->adp, MISC1_Y_RX_FIRST_DESC_L_ADDR_LIST0);
+			l0y &= DMA_START_BIT;
+			if (!l0y) {
+				hw->rx_list_sts[0] &= ~rx_waiting_y_intr;
+			}
+		}
+
+		if (l1y) {
+			l1y = crystalhd_reg_rd(hw->adp, MISC1_Y_RX_FIRST_DESC_L_ADDR_LIST1);
+			l1y &= DMA_START_BIT;
+			if (!l1y) {
+				hw->rx_list_sts[1] &= ~rx_waiting_y_intr;
+			}
+		}
+
+		if (l0uv) {
+			l0uv = crystalhd_reg_rd(hw->adp, MISC1_UV_RX_FIRST_DESC_L_ADDR_LIST0);
+			l0uv &= DMA_START_BIT;
+			if (!l0uv) {
+				hw->rx_list_sts[0] &= ~rx_waiting_uv_intr;
+			}
+		}
+
+		if (l1uv) {
+			l1uv = crystalhd_reg_rd(hw->adp, MISC1_UV_RX_FIRST_DESC_L_ADDR_LIST1);
+			l1uv &= DMA_START_BIT;
+			if (!l1uv) {
+				hw->rx_list_sts[1] &= ~rx_waiting_uv_intr;
+			}
+		}
+		msleep_interruptible(100);
+		count--;
+	}
+
+	hw->rx_list_post_index = 0;
+
+	BCMLOG(BCMLOG_SSTEP, "Capture Stop: %d List0:Sts:%x List1:Sts:%x\n",
+	       count, hw->rx_list_sts[0], hw->rx_list_sts[1]);
+}
+
+static BC_STATUS crystalhd_hw_prog_rxdma(struct crystalhd_hw *hw, crystalhd_rx_dma_pkt *rx_pkt)
+{
+	uint32_t y_low_addr_reg, y_high_addr_reg;
+	uint32_t uv_low_addr_reg, uv_high_addr_reg;
+	addr_64 desc_addr;
+	unsigned long flags;
+
+	if (!hw || !rx_pkt) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	if (hw->rx_list_post_index >= DMA_ENGINE_CNT) {
+		BCMLOG_ERR("List Out Of bounds %x\n", hw->rx_list_post_index);
+		return BC_STS_INV_ARG;
+	}
+
+	spin_lock_irqsave(&hw->rx_lock, flags);
+	/* FIXME: jarod: sts_free is an enum for 0, in crystalhd_hw.h... yuk... */
+	if (sts_free != hw->rx_list_sts[hw->rx_list_post_index]) {
+		spin_unlock_irqrestore(&hw->rx_lock, flags);
+		return BC_STS_BUSY;
+	}
+
+	if (!hw->rx_list_post_index) {
+		y_low_addr_reg   = MISC1_Y_RX_FIRST_DESC_L_ADDR_LIST0;
+		y_high_addr_reg  = MISC1_Y_RX_FIRST_DESC_U_ADDR_LIST0;
+		uv_low_addr_reg  = MISC1_UV_RX_FIRST_DESC_L_ADDR_LIST0;
+		uv_high_addr_reg = MISC1_UV_RX_FIRST_DESC_U_ADDR_LIST0;
+	} else {
+		y_low_addr_reg   = MISC1_Y_RX_FIRST_DESC_L_ADDR_LIST1;
+		y_high_addr_reg  = MISC1_Y_RX_FIRST_DESC_U_ADDR_LIST1;
+		uv_low_addr_reg  = MISC1_UV_RX_FIRST_DESC_L_ADDR_LIST1;
+		uv_high_addr_reg = MISC1_UV_RX_FIRST_DESC_U_ADDR_LIST1;
+	}
+	rx_pkt->pkt_tag = hw->rx_pkt_tag_seed + hw->rx_list_post_index;
+	hw->rx_list_sts[hw->rx_list_post_index] |= rx_waiting_y_intr;
+	if (rx_pkt->uv_phy_addr)
+		hw->rx_list_sts[hw->rx_list_post_index] |= rx_waiting_uv_intr;
+	hw->rx_list_post_index = (hw->rx_list_post_index + 1) % DMA_ENGINE_CNT;
+	spin_unlock_irqrestore(&hw->rx_lock, flags);
+
+	crystalhd_dioq_add(hw->rx_actq, (void *)rx_pkt, false, rx_pkt->pkt_tag);
+
+	crystalhd_start_rx_dma_engine(hw);
+	/* Program the Y descriptor */
+	desc_addr.full_addr = rx_pkt->desc_mem.phy_addr;
+	crystalhd_reg_wr(hw->adp, y_high_addr_reg, desc_addr.high_part);
+	crystalhd_reg_wr(hw->adp, y_low_addr_reg, desc_addr.low_part | 0x01);
+
+	if (rx_pkt->uv_phy_addr) {
+		/* Program the UV descriptor */
+		desc_addr.full_addr = rx_pkt->uv_phy_addr;
+		crystalhd_reg_wr(hw->adp, uv_high_addr_reg, desc_addr.high_part);
+		crystalhd_reg_wr(hw->adp, uv_low_addr_reg, desc_addr.low_part | 0x01);
+	}
+
+	return BC_STS_SUCCESS;
+}
+
+static BC_STATUS crystalhd_hw_post_cap_buff(struct crystalhd_hw *hw,
+					  crystalhd_rx_dma_pkt *rx_pkt)
+{
+	BC_STATUS sts = crystalhd_hw_prog_rxdma(hw, rx_pkt);
+
+	if (sts == BC_STS_BUSY)
+		crystalhd_dioq_add(hw->rx_freeq, (void *)rx_pkt,
+				 false, rx_pkt->pkt_tag);
+
+	return sts;
+}
+
+static void crystalhd_get_dnsz(struct crystalhd_hw *hw, uint32_t list_index,
+			     uint32_t *y_dw_dnsz, uint32_t *uv_dw_dnsz)
+{
+	uint32_t y_dn_sz_reg, uv_dn_sz_reg;
+
+	if (!list_index) {
+		y_dn_sz_reg  = MISC1_Y_RX_LIST0_CUR_BYTE_CNT;
+		uv_dn_sz_reg = MISC1_UV_RX_LIST0_CUR_BYTE_CNT;
+	} else {
+		y_dn_sz_reg  = MISC1_Y_RX_LIST1_CUR_BYTE_CNT;
+		uv_dn_sz_reg = MISC1_UV_RX_LIST1_CUR_BYTE_CNT;
+	}
+
+	*y_dw_dnsz  = crystalhd_reg_rd(hw->adp, y_dn_sz_reg);
+	*uv_dw_dnsz = crystalhd_reg_rd(hw->adp, uv_dn_sz_reg);
+}
+
+/*
+ * This function should be called only after making sure that the two DMA
+ * lists are free. This function does not check if DMA's are active, before
+ * turning off the DMA.
+ */
+static void crystalhd_hw_finalize_pause(struct crystalhd_hw *hw)
+{
+	uint32_t dma_cntrl, aspm;
+
+	hw->stop_pending = 0;
+
+	dma_cntrl = crystalhd_reg_rd(hw->adp, MISC1_Y_RX_SW_DESC_LIST_CTRL_STS);
+	if (dma_cntrl & DMA_START_BIT) {
+		dma_cntrl &= ~DMA_START_BIT;
+		crystalhd_reg_wr(hw->adp, MISC1_Y_RX_SW_DESC_LIST_CTRL_STS, dma_cntrl);
+	}
+
+	dma_cntrl = crystalhd_reg_rd(hw->adp, MISC1_UV_RX_SW_DESC_LIST_CTRL_STS);
+	if (dma_cntrl & DMA_START_BIT) {
+		dma_cntrl &= ~DMA_START_BIT;
+		crystalhd_reg_wr(hw->adp, MISC1_UV_RX_SW_DESC_LIST_CTRL_STS, dma_cntrl);
+	}
+	hw->rx_list_post_index = 0;
+
+	aspm = crystalhd_reg_rd(hw->adp, PCIE_DLL_DATA_LINK_CONTROL);
+	aspm |= ASPM_L1_ENABLE;
+	/* NAREN BCMLOG(BCMLOG_INFO, "aspm on\n"); */
+	crystalhd_reg_wr(hw->adp, PCIE_DLL_DATA_LINK_CONTROL, aspm);
+}
+
+static BC_STATUS crystalhd_rx_pkt_done(struct crystalhd_hw *hw, uint32_t list_index,
+				     BC_STATUS comp_sts)
+{
+	crystalhd_rx_dma_pkt *rx_pkt = NULL;
+	uint32_t y_dw_dnsz, uv_dw_dnsz;
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	if (!hw || list_index >= DMA_ENGINE_CNT) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	rx_pkt = crystalhd_dioq_find_and_fetch(hw->rx_actq,
+					     hw->rx_pkt_tag_seed + list_index);
+	if (!rx_pkt) {
+		BCMLOG_ERR("Act-Q:PostIx:%x L0Sts:%x L1Sts:%x current L:%x tag:%x comp:%x\n",
+			   hw->rx_list_post_index, hw->rx_list_sts[0],
+			   hw->rx_list_sts[1], list_index,
+			   hw->rx_pkt_tag_seed + list_index, comp_sts);
+		return BC_STS_INV_ARG;
+	}
+
+	if (comp_sts == BC_STS_SUCCESS) {
+		crystalhd_get_dnsz(hw, list_index, &y_dw_dnsz, &uv_dw_dnsz);
+		rx_pkt->dio_req->uinfo.y_done_sz = y_dw_dnsz;
+		rx_pkt->flags = COMP_FLAG_DATA_VALID;
+		if (rx_pkt->uv_phy_addr)
+			rx_pkt->dio_req->uinfo.uv_done_sz = uv_dw_dnsz;
+		crystalhd_dioq_add(hw->rx_rdyq, rx_pkt, true,
+				hw->rx_pkt_tag_seed + list_index);
+		return sts;
+	}
+
+	/* Check if we can post this DIO again. */
+	return crystalhd_hw_post_cap_buff(hw, rx_pkt);
+}
+
+static bool crystalhd_rx_list0_handler(struct crystalhd_hw *hw, uint32_t int_sts,
+				     uint32_t y_err_sts, uint32_t uv_err_sts)
+{
+	uint32_t tmp;
+	list_sts tmp_lsts;
+
+	if (!(y_err_sts & GET_Y0_ERR_MSK) && !(uv_err_sts & GET_UV0_ERR_MSK))
+		return false;
+
+	tmp_lsts = hw->rx_list_sts[0];
+
+	/* Y0 - DMA */
+	tmp = y_err_sts & GET_Y0_ERR_MSK;
+	if (int_sts & INTR_INTR_STATUS_L0_Y_RX_DMA_DONE_INTR_MASK)
+		hw->rx_list_sts[0] &= ~rx_waiting_y_intr;
+
+	if (y_err_sts & MISC1_Y_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_MASK) {
+		hw->rx_list_sts[0] &= ~rx_waiting_y_intr;
+		tmp &= ~MISC1_Y_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_MASK;
+	}
+
+	if (y_err_sts & MISC1_Y_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_MASK) {
+		hw->rx_list_sts[0] &= ~rx_y_mask;
+		hw->rx_list_sts[0] |= rx_y_error;
+		tmp &= ~MISC1_Y_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_MASK;
+	}
+
+	if (tmp) {
+		hw->rx_list_sts[0] &= ~rx_y_mask;
+		hw->rx_list_sts[0] |= rx_y_error;
+		hw->rx_list_post_index = 0;
+	}
+
+	/* UV0 - DMA */
+	tmp = uv_err_sts & GET_UV0_ERR_MSK;
+	if (int_sts & INTR_INTR_STATUS_L0_UV_RX_DMA_DONE_INTR_MASK)
+		hw->rx_list_sts[0] &= ~rx_waiting_uv_intr;
+
+	if (uv_err_sts & MISC1_UV_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_MASK) {
+		hw->rx_list_sts[0] &= ~rx_waiting_uv_intr;
+		tmp &= ~MISC1_UV_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_MASK;
+	}
+
+	if (uv_err_sts & MISC1_UV_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_MASK) {
+		hw->rx_list_sts[0] &= ~rx_uv_mask;
+		hw->rx_list_sts[0] |= rx_uv_error;
+		tmp &= ~MISC1_UV_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_MASK;
+	}
+
+	if (tmp) {
+		hw->rx_list_sts[0] &= ~rx_uv_mask;
+		hw->rx_list_sts[0] |= rx_uv_error;
+		hw->rx_list_post_index = 0;
+	}
+
+	if (y_err_sts & GET_Y0_ERR_MSK) {
+		tmp = y_err_sts & GET_Y0_ERR_MSK;
+		crystalhd_reg_wr(hw->adp, MISC1_Y_RX_ERROR_STATUS, tmp);
+	}
+
+	if (uv_err_sts & GET_UV0_ERR_MSK) {
+		tmp = uv_err_sts & GET_UV0_ERR_MSK;
+		crystalhd_reg_wr(hw->adp, MISC1_UV_RX_ERROR_STATUS, tmp);
+	}
+
+	return (tmp_lsts != hw->rx_list_sts[0]);
+}
+
+static bool crystalhd_rx_list1_handler(struct crystalhd_hw *hw, uint32_t int_sts,
+				     uint32_t y_err_sts, uint32_t uv_err_sts)
+{
+	uint32_t tmp;
+	list_sts tmp_lsts;
+
+	if (!(y_err_sts & GET_Y1_ERR_MSK) && !(uv_err_sts & GET_UV1_ERR_MSK))
+		return false;
+
+	tmp_lsts = hw->rx_list_sts[1];
+
+	/* Y1 - DMA */
+	tmp = y_err_sts & GET_Y1_ERR_MSK;
+	if (int_sts & INTR_INTR_STATUS_L1_Y_RX_DMA_DONE_INTR_MASK)
+		hw->rx_list_sts[1] &= ~rx_waiting_y_intr;
+
+	if (y_err_sts & MISC1_Y_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_MASK) {
+		hw->rx_list_sts[1] &= ~rx_waiting_y_intr;
+		tmp &= ~MISC1_Y_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_MASK;
+	}
+
+	if (y_err_sts & MISC1_Y_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_MASK) {
+		/* Add retry-support..*/
+		hw->rx_list_sts[1] &= ~rx_y_mask;
+		hw->rx_list_sts[1] |= rx_y_error;
+		tmp &= ~MISC1_Y_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_MASK;
+	}
+
+	if (tmp) {
+		hw->rx_list_sts[1] &= ~rx_y_mask;
+		hw->rx_list_sts[1] |= rx_y_error;
+		hw->rx_list_post_index = 0;
+	}
+
+	/* UV1 - DMA */
+	tmp = uv_err_sts & GET_UV1_ERR_MSK;
+	if (int_sts & INTR_INTR_STATUS_L1_UV_RX_DMA_DONE_INTR_MASK) {
+		hw->rx_list_sts[1] &= ~rx_waiting_uv_intr;
+	}
+
+	if (uv_err_sts & MISC1_UV_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_MASK) {
+		hw->rx_list_sts[1] &= ~rx_waiting_uv_intr;
+		tmp &= ~MISC1_UV_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_MASK;
+	}
+
+	if (uv_err_sts & MISC1_UV_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_MASK) {
+		/* Add retry-support*/
+		hw->rx_list_sts[1] &= ~rx_uv_mask;
+		hw->rx_list_sts[1] |= rx_uv_error;
+		tmp &= ~MISC1_UV_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_MASK;
+	}
+
+	if (tmp) {
+		hw->rx_list_sts[1] &= ~rx_uv_mask;
+		hw->rx_list_sts[1] |= rx_uv_error;
+		hw->rx_list_post_index = 0;
+	}
+
+	if (y_err_sts & GET_Y1_ERR_MSK) {
+		tmp = y_err_sts & GET_Y1_ERR_MSK;
+		crystalhd_reg_wr(hw->adp, MISC1_Y_RX_ERROR_STATUS, tmp);
+	}
+
+	if (uv_err_sts & GET_UV1_ERR_MSK) {
+		tmp = uv_err_sts & GET_UV1_ERR_MSK;
+		crystalhd_reg_wr(hw->adp, MISC1_UV_RX_ERROR_STATUS, tmp);
+	}
+
+	return (tmp_lsts != hw->rx_list_sts[1]);
+}
+
+
+static void crystalhd_rx_isr(struct crystalhd_hw *hw, uint32_t intr_sts)
+{
+	unsigned long flags;
+	uint32_t i, list_avail = 0;
+	BC_STATUS comp_sts = BC_STS_NO_DATA;
+	uint32_t y_err_sts, uv_err_sts, y_dn_sz = 0, uv_dn_sz = 0;
+	bool ret = 0;
+
+	if (!hw) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return;
+	}
+
+	if (!(intr_sts & GET_RX_INTR_MASK))
+		return;
+
+	y_err_sts = crystalhd_reg_rd(hw->adp, MISC1_Y_RX_ERROR_STATUS);
+	uv_err_sts = crystalhd_reg_rd(hw->adp, MISC1_UV_RX_ERROR_STATUS);
+
+	for (i = 0; i < DMA_ENGINE_CNT; i++) {
+		/* Update States..*/
+		spin_lock_irqsave(&hw->rx_lock, flags);
+		if (i == 0)
+			ret = crystalhd_rx_list0_handler(hw, intr_sts, y_err_sts, uv_err_sts);
+		else
+			ret = crystalhd_rx_list1_handler(hw, intr_sts, y_err_sts, uv_err_sts);
+		if (ret) {
+			switch (hw->rx_list_sts[i]) {
+			case sts_free:
+				comp_sts = BC_STS_SUCCESS;
+				list_avail = 1;
+				break;
+			case rx_y_error:
+			case rx_uv_error:
+			case rx_sts_error:
+				/* We got error on both or Y or uv. */
+				hw->stats.rx_errors++;
+				crystalhd_get_dnsz(hw, i, &y_dn_sz, &uv_dn_sz);
+				/* FIXME: jarod: this is where my mini pci-e card is tripping up */
+				BCMLOG(BCMLOG_DBG, "list_index:%x rx[%d] Y:%x "
+				       "UV:%x Int:%x YDnSz:%x UVDnSz:%x\n",
+				       i, hw->stats.rx_errors, y_err_sts,
+				       uv_err_sts, intr_sts, y_dn_sz, uv_dn_sz);
+				hw->rx_list_sts[i] = sts_free;
+				comp_sts = BC_STS_ERROR;
+				break;
+			default:
+				/* Wait for completion..*/
+				comp_sts = BC_STS_NO_DATA;
+				break;
+			}
+		}
+		spin_unlock_irqrestore(&hw->rx_lock, flags);
+
+		/* handle completion...*/
+		if (comp_sts != BC_STS_NO_DATA) {
+			crystalhd_rx_pkt_done(hw, i, comp_sts);
+			comp_sts = BC_STS_NO_DATA;
+		}
+	}
+
+	if (list_avail) {
+		if (hw->stop_pending) {
+			if ((hw->rx_list_sts[0] == sts_free) &&
+			    (hw->rx_list_sts[1] == sts_free))
+				crystalhd_hw_finalize_pause(hw);
+		} else {
+			crystalhd_hw_start_capture(hw);
+		}
+	}
+}
+
+static BC_STATUS crystalhd_fw_cmd_post_proc(struct crystalhd_hw *hw,
+					  BC_FW_CMD *fw_cmd)
+{
+	BC_STATUS sts = BC_STS_SUCCESS;
+	DecRspChannelStartVideo *st_rsp = NULL;
+
+	switch (fw_cmd->cmd[0]) {
+	case eCMD_C011_DEC_CHAN_START_VIDEO:
+		st_rsp = (DecRspChannelStartVideo *)fw_cmd->rsp;
+		hw->pib_del_Q_addr = st_rsp->picInfoDeliveryQ;
+		hw->pib_rel_Q_addr = st_rsp->picInfoReleaseQ;
+		BCMLOG(BCMLOG_DBG, "DelQAddr:%x RelQAddr:%x\n",
+		       hw->pib_del_Q_addr, hw->pib_rel_Q_addr);
+		break;
+	case eCMD_C011_INIT:
+		if (!(crystalhd_load_firmware_config(hw->adp))) {
+			BCMLOG_ERR("Invalid Params.\n");
+			sts = BC_STS_FW_AUTH_FAILED;
+		}
+		break;
+	default:
+		break;
+	}
+	return sts;
+}
+
+static BC_STATUS crystalhd_put_ddr2sleep(struct crystalhd_hw *hw)
+{
+	uint32_t reg;
+	link_misc_perst_decoder_ctrl rst_cntrl_reg;
+
+	/* Pulse reset pin of 7412 (MISC_PERST_DECODER_CTRL) */
+	rst_cntrl_reg.whole_reg = crystalhd_reg_rd(hw->adp, MISC_PERST_DECODER_CTRL);
+
+	rst_cntrl_reg.bcm_7412_rst = 1;
+	crystalhd_reg_wr(hw->adp, MISC_PERST_DECODER_CTRL, rst_cntrl_reg.whole_reg);
+	msleep_interruptible(50);
+
+	rst_cntrl_reg.bcm_7412_rst = 0;
+	crystalhd_reg_wr(hw->adp, MISC_PERST_DECODER_CTRL, rst_cntrl_reg.whole_reg);
+
+	/* Close all banks, put DDR in idle */
+	bc_dec_reg_wr(hw->adp, SDRAM_PRECHARGE, 0);
+
+	/* Set bit 25 (drop CKE pin of DDR) */
+	reg = bc_dec_reg_rd(hw->adp, SDRAM_PARAM);
+	reg |= 0x02000000;
+	bc_dec_reg_wr(hw->adp, SDRAM_PARAM, reg);
+
+	/* Reset the audio block */
+	bc_dec_reg_wr(hw->adp, AUD_DSP_MISC_SOFT_RESET, 0x1);
+
+	/* Power down Raptor PLL */
+	reg = bc_dec_reg_rd(hw->adp, DecHt_PllCCtl);
+	reg |= 0x00008000;
+	bc_dec_reg_wr(hw->adp, DecHt_PllCCtl, reg);
+
+	/* Power down all Audio PLL */
+	bc_dec_reg_wr(hw->adp, AIO_MISC_PLL_RESET, 0x1);
+
+	/* Power down video clock (75MHz) */
+	reg = bc_dec_reg_rd(hw->adp, DecHt_PllECtl);
+	reg |= 0x00008000;
+	bc_dec_reg_wr(hw->adp, DecHt_PllECtl, reg);
+
+	/* Power down video clock (75MHz) */
+	reg = bc_dec_reg_rd(hw->adp, DecHt_PllDCtl);
+	reg |= 0x00008000;
+	bc_dec_reg_wr(hw->adp, DecHt_PllDCtl, reg);
+
+	/* Power down core clock (200MHz) */
+	reg = bc_dec_reg_rd(hw->adp, DecHt_PllACtl);
+	reg |= 0x00008000;
+	bc_dec_reg_wr(hw->adp, DecHt_PllACtl, reg);
+
+	/* Power down core clock (200MHz) */
+	reg = bc_dec_reg_rd(hw->adp, DecHt_PllBCtl);
+	reg |= 0x00008000;
+	bc_dec_reg_wr(hw->adp, DecHt_PllBCtl, reg);
+
+	return BC_STS_SUCCESS;
+}
+
+/************************************************
+**
+*************************************************/
+
+BC_STATUS crystalhd_download_fw(struct crystalhd_adp *adp, void *buffer, uint32_t sz)
+{
+	uint32_t reg_data, cnt, *temp_buff;
+	uint32_t fw_sig_len = 36;
+	uint32_t dram_offset = BC_FWIMG_ST_ADDR, sig_reg;
+
+	BCMLOG_ENTER;
+
+	if (!adp || !buffer || !sz) {
+		BCMLOG_ERR("Invalid Params.\n");
+		return BC_STS_INV_ARG;
+	}
+
+	reg_data = crystalhd_reg_rd(adp, OTP_CMD);
+	if (!(reg_data & 0x02)) {
+		BCMLOG_ERR("Invalid hw config.. otp not programmed\n");
+		return BC_STS_ERROR;
+	}
+
+	reg_data = 0;
+	crystalhd_reg_wr(adp, DCI_CMD, 0);
+	reg_data |= BC_BIT(0);
+	crystalhd_reg_wr(adp, DCI_CMD, reg_data);
+
+	reg_data = 0;
+	cnt = 1000;
+	msleep_interruptible(10);
+
+	while (reg_data != BC_BIT(4)) {
+		reg_data = crystalhd_reg_rd(adp, DCI_STATUS);
+		reg_data &= BC_BIT(4);
+		if (--cnt == 0) {
+			BCMLOG_ERR("Firmware Download RDY Timeout.\n");
+			return BC_STS_TIMEOUT;
+		}
+	}
+
+	msleep_interruptible(10);
+	/*  Load the FW to the FW_ADDR field in the DCI_FIRMWARE_ADDR */
+	crystalhd_reg_wr(adp, DCI_FIRMWARE_ADDR, dram_offset);
+	temp_buff = (uint32_t *)buffer;
+	for (cnt = 0; cnt < (sz - fw_sig_len); cnt += 4) {
+		crystalhd_reg_wr(adp, DCI_DRAM_BASE_ADDR, (dram_offset >> 19));
+		crystalhd_reg_wr(adp, DCI_FIRMWARE_DATA, *temp_buff);
+		dram_offset += 4;
+		temp_buff++;
+	}
+	msleep_interruptible(10);
+
+	temp_buff++;
+
+	sig_reg = (uint32_t)DCI_SIGNATURE_DATA_7;
+	for (cnt = 0; cnt < 8; cnt++) {
+		uint32_t swapped_data = *temp_buff;
+		swapped_data = bswap_32_1(swapped_data);
+		crystalhd_reg_wr(adp, sig_reg, swapped_data);
+		sig_reg -= 4;
+		temp_buff++;
+	}
+	msleep_interruptible(10);
+
+	reg_data = 0;
+	reg_data |= BC_BIT(1);
+	crystalhd_reg_wr(adp, DCI_CMD, reg_data);
+	msleep_interruptible(10);
+
+	reg_data = 0;
+	reg_data = crystalhd_reg_rd(adp, DCI_STATUS);
+
+	if ((reg_data & BC_BIT(9)) == BC_BIT(9)) {
+		cnt = 1000;
+		while ((reg_data & BC_BIT(0)) != BC_BIT(0)) {
+			reg_data = crystalhd_reg_rd(adp, DCI_STATUS);
+			reg_data &= BC_BIT(0);
+			if (!(--cnt))
+				break;
+			msleep_interruptible(10);
+		}
+		reg_data = 0;
+		reg_data = crystalhd_reg_rd(adp, DCI_CMD);
+		reg_data |= BC_BIT(4);
+		crystalhd_reg_wr(adp, DCI_CMD, reg_data);
+
+	} else {
+		BCMLOG_ERR("F/w Signature mismatch\n");
+		return BC_STS_FW_AUTH_FAILED;
+	}
+
+	BCMLOG(BCMLOG_INFO, "Firmware Downloaded Successfully\n");
+	return BC_STS_SUCCESS;;
+}
+
+BC_STATUS crystalhd_do_fw_cmd(struct crystalhd_hw *hw, BC_FW_CMD *fw_cmd)
+{
+	uint32_t cnt = 0, cmd_res_addr;
+	uint32_t *cmd_buff, *res_buff;
+	wait_queue_head_t fw_cmd_event;
+	int rc = 0;
+	BC_STATUS sts;
+
+	crystalhd_create_event(&fw_cmd_event);
+
+	BCMLOG_ENTER;
+
+	if (!hw || !fw_cmd) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	cmd_buff = fw_cmd->cmd;
+	res_buff = fw_cmd->rsp;
+
+	if (!cmd_buff || !res_buff) {
+		BCMLOG_ERR("Invalid Parameters for F/W Command \n");
+		return BC_STS_INV_ARG;
+	}
+
+	hw->pwr_lock++;
+
+	hw->fwcmd_evt_sts = 0;
+	hw->pfw_cmd_event = &fw_cmd_event;
+
+	/*Write the command to the memory*/
+	crystalhd_mem_wr(hw->adp, TS_Host2CpuSnd, FW_CMD_BUFF_SZ, cmd_buff);
+
+	/*Memory Read for memory arbitrator flush*/
+	crystalhd_mem_rd(hw->adp, TS_Host2CpuSnd, 1, &cnt);
+
+	/* Write the command address to mailbox */
+	bc_dec_reg_wr(hw->adp, Hst2CpuMbx1, TS_Host2CpuSnd);
+	msleep_interruptible(50);
+
+	crystalhd_wait_on_event(&fw_cmd_event, hw->fwcmd_evt_sts, 20000, rc, 0);
+
+	if (!rc) {
+		sts = BC_STS_SUCCESS;
+	} else if (rc == -EBUSY) {
+		BCMLOG_ERR("Firmware command T/O\n");
+		sts = BC_STS_TIMEOUT;
+	} else if (rc == -EINTR) {
+		BCMLOG(BCMLOG_DBG, "FwCmd Wait Signal int.\n");
+		sts = BC_STS_IO_USER_ABORT;
+	} else {
+		BCMLOG_ERR("FwCmd IO Error.\n");
+		sts = BC_STS_IO_ERROR;
+	}
+
+	if (sts != BC_STS_SUCCESS) {
+		BCMLOG_ERR("FwCmd Failed.\n");
+		hw->pwr_lock--;
+		return sts;
+	}
+
+	/*Get the Responce Address*/
+	cmd_res_addr = bc_dec_reg_rd(hw->adp, Cpu2HstMbx1);
+
+	/*Read the Response*/
+	crystalhd_mem_rd(hw->adp, cmd_res_addr, FW_CMD_BUFF_SZ, res_buff);
+
+	hw->pwr_lock--;
+
+	if (res_buff[2] != C011_RET_SUCCESS) {
+		BCMLOG_ERR("res_buff[2] != C011_RET_SUCCESS\n");
+		return BC_STS_FW_CMD_ERR;
+	}
+
+	sts = crystalhd_fw_cmd_post_proc(hw, fw_cmd);
+	if (sts != BC_STS_SUCCESS)
+		BCMLOG_ERR("crystalhd_fw_cmd_post_proc Failed.\n");
+
+	return sts;
+}
+
+bool crystalhd_hw_interrupt(struct crystalhd_adp *adp, struct crystalhd_hw *hw)
+{
+	uint32_t intr_sts = 0;
+	uint32_t deco_intr = 0;
+	bool rc = 0;
+
+	if (!adp || !hw->dev_started)
+		return rc;
+
+	hw->stats.num_interrupts++;
+	hw->pwr_lock++;
+
+	deco_intr = bc_dec_reg_rd(adp, Stream2Host_Intr_Sts);
+	intr_sts  = crystalhd_reg_rd(adp, INTR_INTR_STATUS);
+
+	if (intr_sts) {
+		/* let system know we processed interrupt..*/
+		rc = 1;
+		hw->stats.dev_interrupts++;
+	}
+
+	if (deco_intr && (deco_intr != 0xdeaddead)) {
+
+		if (deco_intr & 0x80000000) {
+			/*Set the Event and the status flag*/
+			if (hw->pfw_cmd_event) {
+				hw->fwcmd_evt_sts = 1;
+				crystalhd_set_event(hw->pfw_cmd_event);
+			}
+		}
+
+		if (deco_intr & BC_BIT(1))
+			crystalhd_hw_proc_pib(hw);
+
+		bc_dec_reg_wr(adp, Stream2Host_Intr_Sts, deco_intr);
+		/* FIXME: jarod: No udelay? might this be the real reason mini pci-e cards were stalling out? */
+		bc_dec_reg_wr(adp, Stream2Host_Intr_Sts, 0);
+		rc = 1;
+	}
+
+	/* Rx interrupts */
+	crystalhd_rx_isr(hw, intr_sts);
+
+	/* Tx interrupts*/
+	crystalhd_tx_isr(hw, intr_sts);
+
+	/* Clear interrupts */
+	if (rc) {
+		if (intr_sts)
+			crystalhd_reg_wr(adp, INTR_INTR_CLR_REG, intr_sts);
+
+		crystalhd_reg_wr(adp, INTR_EOI_CTRL, 1);
+	}
+
+	hw->pwr_lock--;
+
+	return rc;
+}
+
+BC_STATUS crystalhd_hw_open(struct crystalhd_hw *hw, struct crystalhd_adp *adp)
+{
+	if (!hw || !adp) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	if (hw->dev_started)
+		return BC_STS_SUCCESS;
+
+	memset(hw, 0, sizeof(struct crystalhd_hw));
+
+	hw->adp = adp;
+	spin_lock_init(&hw->lock);
+	spin_lock_init(&hw->rx_lock);
+	/* FIXME: jarod: what are these magic numbers?!? */
+	hw->tx_ioq_tag_seed = 0x70023070;
+	hw->rx_pkt_tag_seed = 0x70029070;
+
+	hw->stop_pending = 0;
+	crystalhd_start_device(hw->adp);
+	hw->dev_started = true;
+
+	/* set initial core clock  */
+	hw->core_clock_mhz = CLOCK_PRESET;
+	hw->prev_n = 0;
+	hw->pwr_lock = 0;
+	crystalhd_hw_set_core_clock(hw);
+
+	return BC_STS_SUCCESS;
+}
+
+BC_STATUS crystalhd_hw_close(struct crystalhd_hw *hw)
+{
+	if (!hw) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	if (!hw->dev_started)
+		return BC_STS_SUCCESS;
+
+	/* Stop and DDR sleep will happen in here */
+	crystalhd_hw_suspend(hw);
+	hw->dev_started = false;
+
+	return BC_STS_SUCCESS;
+}
+
+BC_STATUS crystalhd_hw_setup_dma_rings(struct crystalhd_hw *hw)
+{
+	unsigned int i;
+	void *mem;
+	size_t mem_len;
+	dma_addr_t phy_addr;
+	BC_STATUS sts = BC_STS_SUCCESS;
+	crystalhd_rx_dma_pkt *rpkt;
+
+	if (!hw || !hw->adp) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	sts = crystalhd_hw_create_ioqs(hw);
+	if (sts != BC_STS_SUCCESS) {
+		BCMLOG_ERR("Failed to create IOQs..\n");
+		return sts;
+	}
+
+	mem_len = BC_LINK_MAX_SGLS * sizeof(dma_descriptor);
+
+	for (i = 0; i < BC_TX_LIST_CNT; i++) {
+		mem = bc_kern_dma_alloc(hw->adp, mem_len, &phy_addr);
+		if (mem) {
+			memset(mem, 0, mem_len);
+		} else {
+			BCMLOG_ERR("Insufficient Memory For TX\n");
+			crystalhd_hw_free_dma_rings(hw);
+			return BC_STS_INSUFF_RES;
+		}
+		/* rx_pkt_pool -- static memory allocation  */
+		hw->tx_pkt_pool[i].desc_mem.pdma_desc_start = mem;
+		hw->tx_pkt_pool[i].desc_mem.phy_addr = phy_addr;
+		hw->tx_pkt_pool[i].desc_mem.sz = BC_LINK_MAX_SGLS *
+						 sizeof(dma_descriptor);
+		hw->tx_pkt_pool[i].list_tag = 0;
+
+		/* Add TX dma requests to Free Queue..*/
+		sts = crystalhd_dioq_add(hw->tx_freeq,
+				       &hw->tx_pkt_pool[i], false, 0);
+		if (sts != BC_STS_SUCCESS) {
+			crystalhd_hw_free_dma_rings(hw);
+			return sts;
+		}
+	}
+
+	for (i = 0; i < BC_RX_LIST_CNT; i++) {
+		rpkt = kzalloc(sizeof(*rpkt), GFP_KERNEL);
+		if (!rpkt) {
+			BCMLOG_ERR("Insufficient Memory For RX\n");
+			crystalhd_hw_free_dma_rings(hw);
+			return BC_STS_INSUFF_RES;
+		}
+
+		mem = bc_kern_dma_alloc(hw->adp, mem_len, &phy_addr);
+		if (mem) {
+			memset(mem, 0, mem_len);
+		} else {
+			BCMLOG_ERR("Insufficient Memory For RX\n");
+			crystalhd_hw_free_dma_rings(hw);
+			return BC_STS_INSUFF_RES;
+		}
+		rpkt->desc_mem.pdma_desc_start = mem;
+		rpkt->desc_mem.phy_addr = phy_addr;
+		rpkt->desc_mem.sz  = BC_LINK_MAX_SGLS * sizeof(dma_descriptor);
+		rpkt->pkt_tag = hw->rx_pkt_tag_seed + i;
+		crystalhd_hw_free_rx_pkt(hw, rpkt);
+	}
+
+	return BC_STS_SUCCESS;
+}
+
+BC_STATUS crystalhd_hw_free_dma_rings(struct crystalhd_hw *hw)
+{
+	unsigned int i;
+	crystalhd_rx_dma_pkt *rpkt = NULL;
+
+	if (!hw || !hw->adp) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	/* Delete all IOQs.. */
+	crystalhd_hw_delete_ioqs(hw);
+
+	for (i = 0; i < BC_TX_LIST_CNT; i++) {
+		if (hw->tx_pkt_pool[i].desc_mem.pdma_desc_start) {
+			bc_kern_dma_free(hw->adp,
+				hw->tx_pkt_pool[i].desc_mem.sz,
+				hw->tx_pkt_pool[i].desc_mem.pdma_desc_start,
+				hw->tx_pkt_pool[i].desc_mem.phy_addr);
+
+			hw->tx_pkt_pool[i].desc_mem.pdma_desc_start = NULL;
+		}
+	}
+
+	BCMLOG(BCMLOG_DBG, "Releasing RX Pkt pool\n");
+	do {
+		rpkt = crystalhd_hw_alloc_rx_pkt(hw);
+		if (!rpkt)
+			break;
+		bc_kern_dma_free(hw->adp, rpkt->desc_mem.sz,
+				 rpkt->desc_mem.pdma_desc_start,
+				 rpkt->desc_mem.phy_addr);
+		kfree(rpkt);
+	} while (rpkt);
+
+	return BC_STS_SUCCESS;
+}
+
+BC_STATUS crystalhd_hw_post_tx(struct crystalhd_hw *hw, crystalhd_dio_req *ioreq,
+			     hw_comp_callback call_back,
+			     wait_queue_head_t *cb_event, uint32_t *list_id,
+			     uint8_t data_flags)
+{
+	tx_dma_pkt *tx_dma_packet = NULL;
+	uint32_t first_desc_u_addr, first_desc_l_addr;
+	uint32_t low_addr, high_addr;
+	addr_64 desc_addr;
+	BC_STATUS sts, add_sts;
+	uint32_t dummy_index = 0;
+	unsigned long flags;
+	bool rc;
+
+	if (!hw || !ioreq || !call_back || !cb_event || !list_id) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	/*
+	 * Since we hit code in busy condition very frequently,
+	 * we will check the code in status first before
+	 * checking the availability of free elem.
+	 *
+	 * This will avoid the Q fetch/add in normal condition.
+	 */
+	rc = crystalhd_code_in_full(hw->adp, ioreq->uinfo.xfr_len,
+				  false, data_flags);
+	if (rc) {
+		hw->stats.cin_busy++;
+		return BC_STS_BUSY;
+	}
+
+	/* Get a list from TxFreeQ */
+	tx_dma_packet = (tx_dma_pkt *)crystalhd_dioq_fetch(hw->tx_freeq);
+	if (!tx_dma_packet) {
+		BCMLOG_ERR("No empty elements..\n");
+		return BC_STS_ERR_USAGE;
+	}
+
+	sts = crystalhd_xlat_sgl_to_dma_desc(ioreq,
+					   &tx_dma_packet->desc_mem,
+					   &dummy_index);
+	if (sts != BC_STS_SUCCESS) {
+		add_sts = crystalhd_dioq_add(hw->tx_freeq, tx_dma_packet,
+					   false, 0);
+		if (add_sts != BC_STS_SUCCESS)
+			BCMLOG_ERR("double fault..\n");
+
+		return sts;
+	}
+
+	hw->pwr_lock++;
+
+	desc_addr.full_addr = tx_dma_packet->desc_mem.phy_addr;
+	low_addr = desc_addr.low_part;
+	high_addr = desc_addr.high_part;
+
+	tx_dma_packet->call_back = call_back;
+	tx_dma_packet->cb_event  = cb_event;
+	tx_dma_packet->dio_req   = ioreq;
+
+	spin_lock_irqsave(&hw->lock, flags);
+
+	if (hw->tx_list_post_index == 0) {
+		first_desc_u_addr = MISC1_TX_FIRST_DESC_U_ADDR_LIST0;
+		first_desc_l_addr = MISC1_TX_FIRST_DESC_L_ADDR_LIST0;
+	} else {
+		first_desc_u_addr = MISC1_TX_FIRST_DESC_U_ADDR_LIST1;
+		first_desc_l_addr = MISC1_TX_FIRST_DESC_L_ADDR_LIST1;
+	}
+
+	*list_id = tx_dma_packet->list_tag = hw->tx_ioq_tag_seed +
+					     hw->tx_list_post_index;
+
+	hw->tx_list_post_index = (hw->tx_list_post_index + 1) % DMA_ENGINE_CNT;
+
+	spin_unlock_irqrestore(&hw->lock, flags);
+
+
+	/* Insert in Active Q..*/
+	crystalhd_dioq_add(hw->tx_actq, tx_dma_packet, false,
+			 tx_dma_packet->list_tag);
+
+	/*
+	 * Interrupt will come as soon as you write
+	 * the valid bit. So be ready for that. All
+	 * the initialization should happen before that.
+	 */
+	crystalhd_start_tx_dma_engine(hw);
+	crystalhd_reg_wr(hw->adp, first_desc_u_addr, desc_addr.high_part);
+
+	crystalhd_reg_wr(hw->adp, first_desc_l_addr, desc_addr.low_part | 0x01);
+					/* Be sure we set the valid bit ^^^^ */
+
+	return BC_STS_SUCCESS;
+}
+
+/*
+ * This is a force cancel and we are racing with ISR.
+ *
+ * Will try to remove the req from ActQ before ISR gets it.
+ * If ISR gets it first then the completion happens in the
+ * normal path and we will return _STS_NO_DATA from here.
+ *
+ * FIX_ME: Not Tested the actual condition..
+ */
+BC_STATUS crystalhd_hw_cancel_tx(struct crystalhd_hw *hw, uint32_t list_id)
+{
+	if (!hw || !list_id) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	crystalhd_stop_tx_dma_engine(hw);
+	crystalhd_hw_tx_req_complete(hw, list_id, BC_STS_IO_USER_ABORT);
+
+	return BC_STS_SUCCESS;
+}
+
+BC_STATUS crystalhd_hw_add_cap_buffer(struct crystalhd_hw *hw,
+				    crystalhd_dio_req *ioreq, bool en_post)
+{
+	crystalhd_rx_dma_pkt *rpkt;
+	uint32_t tag, uv_desc_ix = 0;
+	BC_STATUS sts;
+
+	if (!hw || !ioreq) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	rpkt = crystalhd_hw_alloc_rx_pkt(hw);
+	if (!rpkt) {
+		BCMLOG_ERR("Insufficient resources\n");
+		return BC_STS_INSUFF_RES;
+	}
+
+	rpkt->dio_req = ioreq;
+	tag = rpkt->pkt_tag;
+
+	sts = crystalhd_xlat_sgl_to_dma_desc(ioreq, &rpkt->desc_mem, &uv_desc_ix);
+	if (sts != BC_STS_SUCCESS)
+		return sts;
+
+	rpkt->uv_phy_addr = 0;
+
+	/* Store the address of UV in the rx packet for post*/
+	if (uv_desc_ix)
+		rpkt->uv_phy_addr = rpkt->desc_mem.phy_addr +
+				    (sizeof(dma_descriptor) * (uv_desc_ix + 1));
+
+	if (en_post)
+		sts = crystalhd_hw_post_cap_buff(hw, rpkt);
+	else
+		sts = crystalhd_dioq_add(hw->rx_freeq, rpkt, false, tag);
+
+	return sts;
+}
+
+BC_STATUS crystalhd_hw_get_cap_buffer(struct crystalhd_hw *hw,
+				    BC_PIC_INFO_BLOCK *pib,
+				    crystalhd_dio_req **ioreq)
+{
+	crystalhd_rx_dma_pkt *rpkt;
+	uint32_t timeout = BC_PROC_OUTPUT_TIMEOUT / 1000;
+	uint32_t sig_pending = 0;
+
+
+	if (!hw || !ioreq || !pib) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	rpkt = crystalhd_dioq_fetch_wait(hw->rx_rdyq, timeout, &sig_pending);
+	if (!rpkt) {
+		if (sig_pending) {
+			BCMLOG(BCMLOG_INFO, "wait on frame time out %d\n", sig_pending);
+			return BC_STS_IO_USER_ABORT;
+		} else {
+			return BC_STS_TIMEOUT;
+		}
+	}
+
+	rpkt->dio_req->uinfo.comp_flags = rpkt->flags;
+
+	if (rpkt->flags & COMP_FLAG_PIB_VALID)
+		memcpy(pib, &rpkt->pib, sizeof(*pib));
+
+	*ioreq = rpkt->dio_req;
+
+	crystalhd_hw_free_rx_pkt(hw, rpkt);
+
+	return BC_STS_SUCCESS;
+}
+
+BC_STATUS crystalhd_hw_start_capture(struct crystalhd_hw *hw)
+{
+	crystalhd_rx_dma_pkt *rx_pkt;
+	BC_STATUS sts;
+	uint32_t i;
+
+	if (!hw) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	/* This is start of capture.. Post to both the lists.. */
+	for (i = 0; i < DMA_ENGINE_CNT; i++) {
+		rx_pkt = crystalhd_dioq_fetch(hw->rx_freeq);
+		if (!rx_pkt)
+			return BC_STS_NO_DATA;
+		sts = crystalhd_hw_post_cap_buff(hw, rx_pkt);
+		if (BC_STS_SUCCESS != sts)
+			break;
+
+	}
+
+	return BC_STS_SUCCESS;
+}
+
+BC_STATUS crystalhd_hw_stop_capture(struct crystalhd_hw *hw)
+{
+	void *temp = NULL;
+
+	if (!hw) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	crystalhd_stop_rx_dma_engine(hw);
+
+	do {
+		temp = crystalhd_dioq_fetch(hw->rx_freeq);
+		if (temp)
+			crystalhd_rx_pkt_rel_call_back(hw, temp);
+	} while (temp);
+
+	return BC_STS_SUCCESS;
+}
+
+BC_STATUS crystalhd_hw_pause(struct crystalhd_hw *hw)
+{
+	hw->stats.pause_cnt++;
+	hw->stop_pending = 1;
+
+	if ((hw->rx_list_sts[0] == sts_free) &&
+	    (hw->rx_list_sts[1] == sts_free))
+		crystalhd_hw_finalize_pause(hw);
+
+	return BC_STS_SUCCESS;
+}
+
+BC_STATUS crystalhd_hw_unpause(struct crystalhd_hw *hw)
+{
+	BC_STATUS sts;
+	uint32_t aspm;
+
+	hw->stop_pending = 0;
+
+	aspm = crystalhd_reg_rd(hw->adp, PCIE_DLL_DATA_LINK_CONTROL);
+	aspm &= ~ASPM_L1_ENABLE;
+/* NAREN BCMLOG(BCMLOG_INFO, "aspm off\n"); */
+	crystalhd_reg_wr(hw->adp, PCIE_DLL_DATA_LINK_CONTROL, aspm);
+
+	sts = crystalhd_hw_start_capture(hw);
+	return sts;
+}
+
+BC_STATUS crystalhd_hw_suspend(struct crystalhd_hw *hw)
+{
+	BC_STATUS sts;
+
+	if (!hw) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	sts = crystalhd_put_ddr2sleep(hw);
+	if (sts != BC_STS_SUCCESS) {
+		BCMLOG_ERR("Failed to Put DDR To Sleep!!\n");
+		return BC_STS_ERROR;
+	}
+
+	if (!crystalhd_stop_device(hw->adp)) {
+		BCMLOG_ERR("Failed to Stop Device!!\n");
+		return BC_STS_ERROR;
+	}
+
+	return BC_STS_SUCCESS;
+}
+
+void crystalhd_hw_stats(struct crystalhd_hw *hw, struct crystalhd_hw_stats *stats)
+{
+	if (!hw) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return;
+	}
+
+	/* if called w/NULL stats, its a req to zero out the stats */
+	if (!stats) {
+		memset(&hw->stats, 0, sizeof(hw->stats));
+		return;
+	}
+
+	hw->stats.freeq_count = crystalhd_dioq_count(hw->rx_freeq);
+	hw->stats.rdyq_count  = crystalhd_dioq_count(hw->rx_rdyq);
+	memcpy(stats, &hw->stats, sizeof(*stats));
+}
+
+BC_STATUS crystalhd_hw_set_core_clock(struct crystalhd_hw *hw)
+{
+	uint32_t reg, n, i;
+	uint32_t vco_mg, refresh_reg;
+
+	if (!hw) {
+		BCMLOG_ERR("Invalid Arguments\n");
+		return BC_STS_INV_ARG;
+	}
+
+	/* FIXME: jarod: wha? */
+	/*n = (hw->core_clock_mhz * 3) / 20 + 1; */
+	n = hw->core_clock_mhz/5;
+
+	if (n == hw->prev_n)
+		return BC_STS_CLK_NOCHG;
+
+	if (hw->pwr_lock > 0) {
+		/* BCMLOG(BCMLOG_INFO,"pwr_lock is %u\n", hw->pwr_lock) */
+		return BC_STS_CLK_NOCHG;
+	}
+
+	i = n * 27;
+	if (i < 560)
+		vco_mg = 0;
+	else if (i < 900)
+		vco_mg = 1;
+	else if (i < 1030)
+		vco_mg = 2;
+	else
+		vco_mg = 3;
+
+	reg = bc_dec_reg_rd(hw->adp, DecHt_PllACtl);
+
+	reg &= 0xFFFFCFC0;
+	reg |= n;
+	reg |= vco_mg << 12;
+
+	BCMLOG(BCMLOG_INFO, "clock is moving to %d with n %d with vco_mg %d\n",
+	       hw->core_clock_mhz, n, vco_mg);
+
+	/* Change the DRAM refresh rate to accomodate the new frequency */
+	/* refresh reg = ((refresh_rate * clock_rate)/16) - 1; rounding up*/
+	refresh_reg = (7 * hw->core_clock_mhz / 16);
+	bc_dec_reg_wr(hw->adp, SDRAM_REF_PARAM, ((1 << 12) | refresh_reg));
+
+	bc_dec_reg_wr(hw->adp, DecHt_PllACtl, reg);
+
+	i = 0;
+
+	for (i = 0; i < 10; i++) {
+		reg = bc_dec_reg_rd(hw->adp, DecHt_PllACtl);
+
+		if (reg & 0x00020000) {
+			hw->prev_n = n;
+			/* FIXME: jarod: outputting a random "C" is... confusing... */
+			BCMLOG(BCMLOG_INFO, "C");
+			return BC_STS_SUCCESS;
+		} else {
+			msleep_interruptible(10);
+		}
+	}
+	BCMLOG(BCMLOG_INFO, "clk change failed\n");
+	return BC_STS_CLK_NOCHG;
+}
diff --git a/drivers/staging/crystalhd/crystalhd_hw.h b/drivers/staging/crystalhd/crystalhd_hw.h
new file mode 100644
index 000000000000..1c6318e912ac
--- /dev/null
+++ b/drivers/staging/crystalhd/crystalhd_hw.h
@@ -0,0 +1,398 @@
+/***************************************************************************
+ * Copyright (c) 2005-2009, Broadcom Corporation.
+ *
+ *  Name: crystalhd_hw . h
+ *
+ *  Description:
+ *		BCM70012 Linux driver hardware layer.
+ *
+ *  HISTORY:
+ *
+ **********************************************************************
+ * This file is part of the crystalhd device driver.
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This driver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this driver.  If not, see <http://www.gnu.org/licenses/>.
+ **********************************************************************/
+
+#ifndef _CRYSTALHD_HW_H_
+#define _CRYSTALHD_HW_H_
+
+#include "crystalhd_misc.h"
+#include "crystalhd_fw_if.h"
+
+/* HW constants..*/
+#define DMA_ENGINE_CNT		2
+#define MAX_PIB_Q_DEPTH		64
+#define MIN_PIB_Q_DEPTH		2
+#define WR_POINTER_OFF		4
+
+#define ASPM_L1_ENABLE		(BC_BIT(27))
+
+/*************************************************
+  7412 Decoder  Registers.
+**************************************************/
+#define FW_CMD_BUFF_SZ		64
+#define TS_Host2CpuSnd		0x00000100
+#define Hst2CpuMbx1		0x00100F00
+#define Cpu2HstMbx1		0x00100F04
+#define MbxStat1		0x00100F08
+#define Stream2Host_Intr_Sts	0x00100F24
+#define C011_RET_SUCCESS	0x0	/* Reutrn status of firmware command. */
+
+/* TS input status register */
+#define TS_StreamAFIFOStatus	0x0010044C
+#define TS_StreamBFIFOStatus	0x0010084C
+
+/*UART Selection definitions*/
+#define UartSelectA		0x00100300
+#define UartSelectB		0x00100304
+
+#define BSVS_UART_DEC_NONE	0x00
+#define BSVS_UART_DEC_OUTER	0x01
+#define BSVS_UART_DEC_INNER	0x02
+#define BSVS_UART_STREAM	0x03
+
+/* Code-In fifo */
+#define REG_DecCA_RegCinCTL	0xa00
+#define REG_DecCA_RegCinBase	0xa0c
+#define REG_DecCA_RegCinEnd	0xa10
+#define REG_DecCA_RegCinWrPtr	0xa04
+#define REG_DecCA_RegCinRdPtr	0xa08
+
+#define REG_Dec_TsUser0Base	0x100864
+#define REG_Dec_TsUser0Rdptr	0x100868
+#define REG_Dec_TsUser0Wrptr	0x10086C
+#define REG_Dec_TsUser0End	0x100874
+
+/* ASF Case ...*/
+#define REG_Dec_TsAudCDB2Base	0x10036c
+#define REG_Dec_TsAudCDB2Rdptr  0x100378
+#define REG_Dec_TsAudCDB2Wrptr  0x100374
+#define REG_Dec_TsAudCDB2End	0x100370
+
+/* DRAM bringup Registers */
+#define SDRAM_PARAM		0x00040804
+#define SDRAM_PRECHARGE		0x000408B0
+#define SDRAM_EXT_MODE		0x000408A4
+#define SDRAM_MODE		0x000408A0
+#define SDRAM_REFRESH		0x00040890
+#define SDRAM_REF_PARAM		0x00040808
+
+#define DecHt_PllACtl		0x34000C
+#define DecHt_PllBCtl		0x340010
+#define DecHt_PllCCtl		0x340014
+#define DecHt_PllDCtl		0x340034
+#define DecHt_PllECtl		0x340038
+#define AUD_DSP_MISC_SOFT_RESET	0x00240104
+#define AIO_MISC_PLL_RESET	0x0026000C
+#define PCIE_CLK_REQ_REG	0xDC
+#define	PCI_CLK_REQ_ENABLE	(BC_BIT(8))
+
+/*************************************************
+  F/W Copy engine definitions..
+**************************************************/
+#define BC_FWIMG_ST_ADDR	0x00000000
+/* FIXME: jarod: there's a kernel function that'll do this for us... */
+#define rotr32_1(x, n)		(((x) >> n) | ((x) << (32 - n)))
+#define bswap_32_1(x)		((rotr32_1((x), 24) & 0x00ff00ff) | (rotr32_1((x), 8) & 0xff00ff00))
+
+#define DecHt_HostSwReset	0x340000
+#define BC_DRAM_FW_CFG_ADDR	0x001c2000
+
+typedef union _addr_64_ {
+	struct {
+		uint32_t	low_part;
+		uint32_t	high_part;
+	};
+
+	uint64_t	full_addr;
+
+} addr_64;
+
+typedef union _intr_mask_reg_ {
+	struct {
+		uint32_t	mask_tx_done:1;
+		uint32_t	mask_tx_err:1;
+		uint32_t	mask_rx_done:1;
+		uint32_t	mask_rx_err:1;
+		uint32_t	mask_pcie_err:1;
+		uint32_t	mask_pcie_rbusmast_err:1;
+		uint32_t	mask_pcie_rgr_bridge:1;
+		uint32_t	reserved:25;
+	};
+
+	uint32_t	whole_reg;
+
+} intr_mask_reg;
+
+typedef union _link_misc_perst_deco_ctrl_ {
+	struct {
+		uint32_t	bcm7412_rst:1;		/* 1 -> BCM7412 is held in reset. Reset value 1.*/
+		uint32_t	reserved0:3;		/* Reserved.No Effect*/
+		uint32_t	stop_bcm_7412_clk:1;	/* 1 ->Stops branch of 27MHz clk used to clk BCM7412*/
+		uint32_t	reserved1:27;		/* Reseved. No Effect*/
+	};
+
+	uint32_t	whole_reg;
+
+} link_misc_perst_deco_ctrl;
+
+typedef union _link_misc_perst_clk_ctrl_ {
+	struct {
+		uint32_t	sel_alt_clk:1;	  /* When set, selects a 6.75MHz clock as the source of core_clk */
+		uint32_t	stop_core_clk:1;  /* When set, stops the branch of core_clk that is not needed for low power operation */
+		uint32_t	pll_pwr_dn:1;	  /* When set, powers down the main PLL. The alternate clock bit should be set
+						     to select an alternate clock before setting this bit.*/
+		uint32_t	reserved0:5;	  /* Reserved */
+		uint32_t	pll_mult:8;	  /* This setting controls the multiplier for the PLL. */
+		uint32_t	pll_div:4;	  /* This setting controls the divider for the PLL. */
+		uint32_t	reserved1:12;	  /* Reserved */
+	};
+
+	uint32_t	whole_reg;
+
+} link_misc_perst_clk_ctrl;
+
+
+typedef union _link_misc_perst_decoder_ctrl_ {
+	struct {
+		uint32_t	bcm_7412_rst:1; /* 1 -> BCM7412 is held in reset. Reset value 1.*/
+		uint32_t	res0:3; /* Reserved.No Effect*/
+		uint32_t	stop_7412_clk:1; /* 1 ->Stops branch of 27MHz clk used to clk BCM7412*/
+		uint32_t	res1:27; /* Reseved. No Effect */
+	};
+
+	uint32_t	whole_reg;
+
+} link_misc_perst_decoder_ctrl;
+
+
+typedef union _desc_low_addr_reg_ {
+	struct {
+		uint32_t	list_valid:1;
+		uint32_t	reserved:4;
+		uint32_t	low_addr:27;
+	};
+
+	uint32_t	whole_reg;
+
+} desc_low_addr_reg;
+
+typedef struct _dma_descriptor_ {	/* 8 32-bit values */
+	/* 0th u32 */
+	uint32_t sdram_buff_addr:28;	/* bits 0-27:  SDRAM Address */
+	uint32_t res0:4;		/* bits 28-31: Reserved */
+
+	/* 1st u32 */
+	uint32_t buff_addr_low;		/* 1 buffer address low */
+	uint32_t buff_addr_high;	/* 2 buffer address high */
+
+	/* 3rd u32 */
+	uint32_t res2:2;		/* 0-1 - Reserved */
+	uint32_t xfer_size:23;		/* 2-24 = Xfer size in words */
+	uint32_t res3:6;		/* 25-30 reserved */
+	uint32_t intr_enable:1;		/* 31 - Interrupt After this desc */
+
+	/* 4th u32 */
+	uint32_t endian_xlat_align:2;	/* 0-1 Endian Translation */
+	uint32_t next_desc_cont:1;	/* 2 - Next desc is in contig memory */
+	uint32_t res4:25;		/* 3 - 27 Reserved bits */
+	uint32_t fill_bytes:2;		/* 28-29 Bits Fill Bytes */
+	uint32_t dma_dir:1;		/* 30 bit DMA Direction */
+	uint32_t last_rec_indicator:1;	/* 31 bit Last Record Indicator */
+
+	/* 5th u32 */
+	uint32_t next_desc_addr_low;	/* 32-bits Next Desc Addr lower */
+
+	/* 6th u32 */
+	uint32_t next_desc_addr_high;	/* 32-bits Next Desc Addr Higher */
+
+	/* 7th u32 */
+	uint32_t res8;			/* Last 32bits reserved */
+
+} dma_descriptor, *pdma_descriptor;
+
+/*
+ * We will allocate the memory in 4K pages
+ * the linked list will be a list of 32 byte descriptors.
+ * The  virtual address will determine what should be freed.
+ */
+typedef struct _dma_desc_mem_ {
+	pdma_descriptor		pdma_desc_start; /* 32-bytes for dma descriptor. should be first element */
+	dma_addr_t		phy_addr;	/* physical address of each DMA desc */
+	uint32_t		sz;
+	struct _dma_desc_mem_	*Next;		/* points to Next Descriptor in chain */
+
+} dma_desc_mem, *pdma_desc_mem;
+
+
+
+typedef enum _list_sts_ {
+	sts_free = 0,
+
+	/* RX-Y Bits 0:7 */
+	rx_waiting_y_intr	= 0x00000001,
+	rx_y_error		= 0x00000004,
+
+	/* RX-UV Bits 8:16 */
+	rx_waiting_uv_intr	= 0x0000100,
+	rx_uv_error		= 0x0000400,
+
+	rx_sts_waiting		= (rx_waiting_y_intr|rx_waiting_uv_intr),
+	rx_sts_error		= (rx_y_error|rx_uv_error),
+
+	rx_y_mask		= 0x000000FF,
+	rx_uv_mask		= 0x0000FF00,
+
+} list_sts;
+
+typedef struct _tx_dma_pkt_ {
+	dma_desc_mem		desc_mem;
+	hw_comp_callback	call_back;
+	crystalhd_dio_req		*dio_req;
+	wait_queue_head_t	*cb_event;
+	uint32_t		list_tag;
+
+} tx_dma_pkt;
+
+typedef struct _crystalhd_rx_dma_pkt {
+	dma_desc_mem			desc_mem;
+	crystalhd_dio_req			*dio_req;
+	uint32_t			pkt_tag;
+	uint32_t			flags;
+	BC_PIC_INFO_BLOCK		pib;
+	dma_addr_t			uv_phy_addr;
+	struct  _crystalhd_rx_dma_pkt	*next;
+
+} crystalhd_rx_dma_pkt;
+
+struct crystalhd_hw_stats{
+	uint32_t	rx_errors;
+	uint32_t	tx_errors;
+	uint32_t	freeq_count;
+	uint32_t	rdyq_count;
+	uint32_t	num_interrupts;
+	uint32_t	dev_interrupts;
+	uint32_t	cin_busy;
+	uint32_t	pause_cnt;
+};
+
+struct crystalhd_hw {
+	tx_dma_pkt		tx_pkt_pool[DMA_ENGINE_CNT];
+	spinlock_t		lock;
+
+	uint32_t		tx_ioq_tag_seed;
+	uint32_t		tx_list_post_index;
+
+	crystalhd_rx_dma_pkt	*rx_pkt_pool_head;
+	uint32_t		rx_pkt_tag_seed;
+
+	bool			dev_started;
+	void			*adp;
+
+	wait_queue_head_t	*pfw_cmd_event;
+	int			fwcmd_evt_sts;
+
+	uint32_t		pib_del_Q_addr;
+	uint32_t		pib_rel_Q_addr;
+
+	crystalhd_dioq_t		*tx_freeq;
+	crystalhd_dioq_t		*tx_actq;
+
+	/* Rx DMA Engine Specific Locks */
+	spinlock_t		rx_lock;
+	uint32_t		rx_list_post_index;
+	list_sts		rx_list_sts[DMA_ENGINE_CNT];
+	crystalhd_dioq_t		*rx_rdyq;
+	crystalhd_dioq_t		*rx_freeq;
+	crystalhd_dioq_t		*rx_actq;
+	uint32_t		stop_pending;
+
+	/* HW counters.. */
+	struct crystalhd_hw_stats	stats;
+
+	/* Core clock in MHz */
+	uint32_t		core_clock_mhz;
+	uint32_t		prev_n;
+	uint32_t		pwr_lock;
+};
+
+/* Clock defines for power control */
+#define CLOCK_PRESET 175
+
+/* DMA engine register BIT mask wrappers.. */
+#define DMA_START_BIT		MISC1_TX_SW_DESC_LIST_CTRL_STS_TX_DMA_RUN_STOP_MASK
+
+#define GET_RX_INTR_MASK (INTR_INTR_STATUS_L1_UV_RX_DMA_ERR_INTR_MASK |		\
+			  INTR_INTR_STATUS_L1_UV_RX_DMA_DONE_INTR_MASK |	\
+			  INTR_INTR_STATUS_L1_Y_RX_DMA_ERR_INTR_MASK |		\
+			  INTR_INTR_STATUS_L1_Y_RX_DMA_DONE_INTR_MASK |		\
+			  INTR_INTR_STATUS_L0_UV_RX_DMA_ERR_INTR_MASK |		\
+			  INTR_INTR_STATUS_L0_UV_RX_DMA_DONE_INTR_MASK |	\
+			  INTR_INTR_STATUS_L0_Y_RX_DMA_ERR_INTR_MASK |		\
+			  INTR_INTR_STATUS_L0_Y_RX_DMA_DONE_INTR_MASK)
+
+#define GET_Y0_ERR_MSK (MISC1_Y_RX_ERROR_STATUS_RX_L0_OVERRUN_ERROR_MASK |		\
+			MISC1_Y_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_MASK |		\
+			MISC1_Y_RX_ERROR_STATUS_RX_L0_DESC_TX_ABORT_ERRORS_MASK |	\
+			MISC1_Y_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_MASK)
+
+#define GET_UV0_ERR_MSK (MISC1_UV_RX_ERROR_STATUS_RX_L0_OVERRUN_ERROR_MASK |		\
+			 MISC1_UV_RX_ERROR_STATUS_RX_L0_UNDERRUN_ERROR_MASK |		\
+			 MISC1_UV_RX_ERROR_STATUS_RX_L0_DESC_TX_ABORT_ERRORS_MASK |	\
+			 MISC1_UV_RX_ERROR_STATUS_RX_L0_FIFO_FULL_ERRORS_MASK)
+
+#define GET_Y1_ERR_MSK (MISC1_Y_RX_ERROR_STATUS_RX_L1_OVERRUN_ERROR_MASK |		\
+			MISC1_Y_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_MASK |		\
+			MISC1_Y_RX_ERROR_STATUS_RX_L1_DESC_TX_ABORT_ERRORS_MASK |	\
+			MISC1_Y_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_MASK)
+
+#define GET_UV1_ERR_MSK	(MISC1_UV_RX_ERROR_STATUS_RX_L1_OVERRUN_ERROR_MASK |		\
+			 MISC1_UV_RX_ERROR_STATUS_RX_L1_UNDERRUN_ERROR_MASK |		\
+			 MISC1_UV_RX_ERROR_STATUS_RX_L1_DESC_TX_ABORT_ERRORS_MASK |	\
+			 MISC1_UV_RX_ERROR_STATUS_RX_L1_FIFO_FULL_ERRORS_MASK)
+
+
+/**** API Exposed to the other layers ****/
+BC_STATUS crystalhd_download_fw(struct crystalhd_adp *adp,
+			      void *buffer, uint32_t sz);
+BC_STATUS crystalhd_do_fw_cmd(struct crystalhd_hw *hw, BC_FW_CMD *fw_cmd);
+bool crystalhd_hw_interrupt(struct crystalhd_adp *adp, struct crystalhd_hw *hw);
+BC_STATUS crystalhd_hw_open(struct crystalhd_hw *, struct crystalhd_adp *);
+BC_STATUS crystalhd_hw_close(struct crystalhd_hw *);
+BC_STATUS crystalhd_hw_setup_dma_rings(struct crystalhd_hw *);
+BC_STATUS crystalhd_hw_free_dma_rings(struct crystalhd_hw *);
+
+
+BC_STATUS crystalhd_hw_post_tx(struct crystalhd_hw *hw, crystalhd_dio_req *ioreq,
+			     hw_comp_callback call_back,
+			     wait_queue_head_t *cb_event,
+			     uint32_t *list_id, uint8_t data_flags);
+
+BC_STATUS crystalhd_hw_pause(struct crystalhd_hw *hw);
+BC_STATUS crystalhd_hw_unpause(struct crystalhd_hw *hw);
+BC_STATUS crystalhd_hw_suspend(struct crystalhd_hw *hw);
+BC_STATUS crystalhd_hw_cancel_tx(struct crystalhd_hw *hw, uint32_t list_id);
+BC_STATUS crystalhd_hw_add_cap_buffer(struct crystalhd_hw *hw,
+				    crystalhd_dio_req *ioreq, bool en_post);
+BC_STATUS crystalhd_hw_get_cap_buffer(struct crystalhd_hw *hw,
+				    BC_PIC_INFO_BLOCK *pib,
+				    crystalhd_dio_req **ioreq);
+BC_STATUS crystalhd_hw_stop_capture(struct crystalhd_hw *hw);
+BC_STATUS crystalhd_hw_start_capture(struct crystalhd_hw *hw);
+void crystalhd_hw_stats(struct crystalhd_hw *hw, struct crystalhd_hw_stats *stats);
+
+/* API to program the core clock on the decoder */
+BC_STATUS crystalhd_hw_set_core_clock(struct crystalhd_hw *);
+
+#endif
diff --git a/drivers/staging/crystalhd/crystalhd_lnx.c b/drivers/staging/crystalhd/crystalhd_lnx.c
new file mode 100644
index 000000000000..3eac70aa213c
--- /dev/null
+++ b/drivers/staging/crystalhd/crystalhd_lnx.c
@@ -0,0 +1,765 @@
+/***************************************************************************
+  BCM70010 Linux driver
+  Copyright (c) 2005-2009, Broadcom Corporation.
+
+  This driver is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, version 2 of the License.
+
+  This driver is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this driver.  If not, see <http://www.gnu.org/licenses/>.
+***************************************************************************/
+
+#include <linux/version.h>
+
+#include "crystalhd_lnx.h"
+
+static struct class *crystalhd_class;
+
+static struct crystalhd_adp *g_adp_info;
+
+static irqreturn_t chd_dec_isr(int irq, void *arg)
+{
+	struct crystalhd_adp *adp = (struct crystalhd_adp *) arg;
+	int rc = 0;
+	if (adp)
+		rc = crystalhd_cmd_interrupt(&adp->cmds);
+
+	return IRQ_RETVAL(rc);
+}
+
+static int chd_dec_enable_int(struct crystalhd_adp *adp)
+{
+	int rc = 0;
+
+	if (!adp || !adp->pdev) {
+		BCMLOG_ERR("Invalid arg!!\n");
+		return -EINVAL;
+	}
+
+	if (adp->pdev->msi_enabled)
+		adp->msi = 1;
+	else
+		adp->msi = pci_enable_msi(adp->pdev);
+
+	rc = request_irq(adp->pdev->irq, chd_dec_isr, IRQF_SHARED,
+			 adp->name, (void *)adp);
+	if (rc) {
+		BCMLOG_ERR("Interrupt request failed.. \n");
+		pci_disable_msi(adp->pdev);
+	}
+
+	return rc;
+}
+
+static int chd_dec_disable_int(struct crystalhd_adp *adp)
+{
+	if (!adp || !adp->pdev) {
+		BCMLOG_ERR("Invalid arg!!\n");
+		return -EINVAL;
+	}
+
+	free_irq(adp->pdev->irq, adp);
+
+	if (adp->msi)
+		pci_disable_msi(adp->pdev);
+
+	return 0;
+}
+
+crystalhd_ioctl_data *chd_dec_alloc_iodata(struct crystalhd_adp *adp, bool isr)
+{
+	unsigned long flags = 0;
+	crystalhd_ioctl_data *temp;
+
+	if (!adp)
+		return NULL;
+
+	spin_lock_irqsave(&adp->lock, flags);
+
+	temp = adp->idata_free_head;
+	if (temp) {
+		adp->idata_free_head = adp->idata_free_head->next;
+		memset(temp, 0, sizeof(*temp));
+	}
+
+	spin_unlock_irqrestore(&adp->lock, flags);
+	return temp;
+}
+
+void chd_dec_free_iodata(struct crystalhd_adp *adp, crystalhd_ioctl_data *iodata,
+			 bool isr)
+{
+	unsigned long flags = 0;
+
+	if (!adp || !iodata)
+		return;
+
+	spin_lock_irqsave(&adp->lock, flags);
+	iodata->next = adp->idata_free_head;
+	adp->idata_free_head = iodata;
+	spin_unlock_irqrestore(&adp->lock, flags);
+}
+
+static inline int crystalhd_user_data(unsigned long ud, void *dr, int size, int set)
+{
+	int rc;
+
+	if (!ud || !dr) {
+		BCMLOG_ERR("Invalid arg \n");
+		return -EINVAL;
+	}
+
+	if (set)
+		rc = copy_to_user((void *)ud, dr, size);
+	else
+		rc = copy_from_user(dr, (void *)ud, size);
+
+	if (rc) {
+		BCMLOG_ERR("Invalid args for command \n");
+		rc = -EFAULT;
+	}
+
+	return rc;
+}
+
+static int chd_dec_fetch_cdata(struct crystalhd_adp *adp, crystalhd_ioctl_data *io,
+			       uint32_t m_sz, unsigned long ua)
+{
+	unsigned long ua_off;
+	int rc = 0;
+
+	if (!adp || !io || !ua || !m_sz) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return -EINVAL;
+	}
+
+	io->add_cdata = vmalloc(m_sz);
+	if (!io->add_cdata) {
+		BCMLOG_ERR("kalloc fail for sz:%x\n", m_sz);
+		return -ENOMEM;
+	}
+
+	io->add_cdata_sz = m_sz;
+	ua_off = ua + sizeof(io->udata);
+	rc = crystalhd_user_data(ua_off, io->add_cdata, io->add_cdata_sz, 0);
+	if (rc) {
+		BCMLOG_ERR("failed to pull add_cdata sz:%x ua_off:%x\n",
+			   io->add_cdata_sz, (unsigned int)ua_off);
+		if (io->add_cdata) {
+			kfree(io->add_cdata);
+			io->add_cdata = NULL;
+		}
+		return -ENODATA;
+	}
+
+	return rc;
+}
+
+static int chd_dec_release_cdata(struct crystalhd_adp *adp,
+				 crystalhd_ioctl_data *io, unsigned long ua)
+{
+	unsigned long ua_off;
+	int rc;
+
+	if (!adp || !io || !ua) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return -EINVAL;
+	}
+
+	if (io->cmd != BCM_IOC_FW_DOWNLOAD) {
+		ua_off = ua + sizeof(io->udata);
+		rc = crystalhd_user_data(ua_off, io->add_cdata,
+					io->add_cdata_sz, 1);
+		if (rc) {
+			BCMLOG_ERR("failed to push add_cdata sz:%x ua_off:%x\n",
+				   io->add_cdata_sz, (unsigned int)ua_off);
+			return -ENODATA;
+		}
+	}
+
+	if (io->add_cdata) {
+		vfree(io->add_cdata);
+		io->add_cdata = NULL;
+	}
+
+	return 0;
+}
+
+static int chd_dec_proc_user_data(struct crystalhd_adp *adp,
+				  crystalhd_ioctl_data *io,
+				  unsigned long ua, int set)
+{
+	int rc;
+	uint32_t m_sz = 0;
+
+	if (!adp || !io || !ua) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return -EINVAL;
+	}
+
+	rc = crystalhd_user_data(ua, &io->udata, sizeof(io->udata), set);
+	if (rc) {
+		BCMLOG_ERR("failed to %s iodata \n", (set ? "set" : "get"));
+		return rc;
+	}
+
+	switch (io->cmd) {
+	case BCM_IOC_MEM_RD:
+	case BCM_IOC_MEM_WR:
+	case BCM_IOC_FW_DOWNLOAD:
+		m_sz = io->udata.u.devMem.NumDwords * 4;
+		if (set)
+			rc = chd_dec_release_cdata(adp, io, ua);
+		else
+			rc = chd_dec_fetch_cdata(adp, io, m_sz, ua);
+		break;
+	default:
+		break;
+	}
+
+	return rc;
+}
+
+static int chd_dec_api_cmd(struct crystalhd_adp *adp, unsigned long ua,
+			   uint32_t uid, uint32_t cmd, crystalhd_cmd_proc func)
+{
+	int rc;
+	crystalhd_ioctl_data *temp;
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	temp = chd_dec_alloc_iodata(adp, 0);
+	if (!temp) {
+		BCMLOG_ERR("Failed to get iodata..\n");
+		return -EINVAL;
+	}
+
+	temp->u_id = uid;
+	temp->cmd  = cmd;
+
+	rc = chd_dec_proc_user_data(adp, temp, ua, 0);
+	if (!rc) {
+		sts = func(&adp->cmds, temp);
+		if (sts == BC_STS_PENDING)
+			sts = BC_STS_NOT_IMPL;
+		temp->udata.RetSts = sts;
+		rc = chd_dec_proc_user_data(adp, temp, ua, 1);
+	}
+
+	if (temp) {
+		chd_dec_free_iodata(adp, temp, 0);
+		temp = NULL;
+	}
+
+	return rc;
+}
+
+/* API interfaces */
+static int chd_dec_ioctl(struct inode *in, struct file *fd,
+			 unsigned int cmd, unsigned long ua)
+{
+	struct crystalhd_adp *adp = chd_get_adp();
+	crystalhd_cmd_proc cproc;
+	struct crystalhd_user *uc;
+
+	if (!adp || !fd) {
+		BCMLOG_ERR("Invalid adp\n");
+		return -EINVAL;
+	}
+
+	uc = (struct crystalhd_user *)fd->private_data;
+	if (!uc) {
+		BCMLOG_ERR("Failed to get uc\n");
+		return -ENODATA;
+	}
+
+	cproc = crystalhd_get_cmd_proc(&adp->cmds, cmd, uc);
+	if (!cproc) {
+		BCMLOG_ERR("Unhandled command: %d\n", cmd);
+		return -EINVAL;
+	}
+
+	return chd_dec_api_cmd(adp, ua, uc->uid, cmd, cproc);
+}
+
+static int chd_dec_open(struct inode *in, struct file *fd)
+{
+	struct crystalhd_adp *adp = chd_get_adp();
+	int rc = 0;
+	BC_STATUS sts = BC_STS_SUCCESS;
+	struct crystalhd_user *uc = NULL;
+
+	BCMLOG_ENTER;
+	if (!adp) {
+		BCMLOG_ERR("Invalid adp\n");
+		return -EINVAL;
+	}
+
+	if (adp->cfg_users >= BC_LINK_MAX_OPENS) {
+		BCMLOG(BCMLOG_INFO, "Already in use.%d\n", adp->cfg_users);
+		return -EBUSY;
+	}
+
+	sts = crystalhd_user_open(&adp->cmds, &uc);
+	if (sts != BC_STS_SUCCESS) {
+		BCMLOG_ERR("cmd_user_open - %d \n", sts);
+		rc = -EBUSY;
+	}
+
+	adp->cfg_users++;
+
+	fd->private_data = uc;
+
+	return rc;
+}
+
+static int chd_dec_close(struct inode *in, struct file *fd)
+{
+	struct crystalhd_adp *adp = chd_get_adp();
+	struct crystalhd_user *uc;
+
+	BCMLOG_ENTER;
+	if (!adp) {
+		BCMLOG_ERR("Invalid adp \n");
+		return -EINVAL;
+	}
+
+	uc = (struct crystalhd_user *)fd->private_data;
+	if (!uc) {
+		BCMLOG_ERR("Failed to get uc\n");
+		return -ENODATA;
+	}
+
+	crystalhd_user_close(&adp->cmds, uc);
+
+	adp->cfg_users--;
+
+	return 0;
+}
+
+static const struct file_operations chd_dec_fops = {
+	.owner   = THIS_MODULE,
+	.ioctl   = chd_dec_ioctl,
+	.open    = chd_dec_open,
+	.release = chd_dec_close,
+};
+
+static int __devinit chd_dec_init_chdev(struct crystalhd_adp *adp)
+{
+	crystalhd_ioctl_data *temp;
+	struct device *dev;
+	int rc = -ENODEV, i = 0;
+
+	if (!adp)
+		goto fail;
+
+	adp->chd_dec_major = register_chrdev(0, CRYSTALHD_API_NAME,
+					     &chd_dec_fops);
+	if (adp->chd_dec_major < 0) {
+		BCMLOG_ERR("Failed to create config dev\n");
+		rc = adp->chd_dec_major;
+		goto fail;
+	}
+
+	/* register crystalhd class */
+	crystalhd_class = class_create(THIS_MODULE, "crystalhd");
+	if (IS_ERR(crystalhd_class)) {
+		BCMLOG_ERR("failed to create class\n");
+		goto fail;
+	}
+
+	dev = device_create(crystalhd_class, NULL, MKDEV(adp->chd_dec_major, 0),
+			    NULL, "crystalhd");
+	if (!dev) {
+		BCMLOG_ERR("failed to create device\n");
+		goto device_create_fail;
+	}
+
+	rc = crystalhd_create_elem_pool(adp, BC_LINK_ELEM_POOL_SZ);
+	if (rc) {
+		BCMLOG_ERR("failed to create device\n");
+		goto elem_pool_fail;
+	}
+
+	/* Allocate general purpose ioctl pool. */
+	for (i = 0; i < CHD_IODATA_POOL_SZ; i++) {
+		/* FIXME: jarod: why atomic? */
+		temp = kzalloc(sizeof(crystalhd_ioctl_data), GFP_ATOMIC);
+		if (!temp) {
+			BCMLOG_ERR("ioctl data pool kzalloc failed\n");
+			rc = -ENOMEM;
+			goto kzalloc_fail;
+		}
+		/* Add to global pool.. */
+		chd_dec_free_iodata(adp, temp, 0);
+	}
+
+	return 0;
+
+kzalloc_fail:
+	crystalhd_delete_elem_pool(adp);
+elem_pool_fail:
+	device_destroy(crystalhd_class, MKDEV(adp->chd_dec_major, 0));
+device_create_fail:
+	class_destroy(crystalhd_class);
+fail:
+	return rc;
+}
+
+static void __devexit chd_dec_release_chdev(struct crystalhd_adp *adp)
+{
+	crystalhd_ioctl_data *temp = NULL;
+	if (!adp)
+		return;
+
+	if (adp->chd_dec_major > 0) {
+		/* unregister crystalhd class */
+		device_destroy(crystalhd_class, MKDEV(adp->chd_dec_major, 0));
+		unregister_chrdev(adp->chd_dec_major, CRYSTALHD_API_NAME);
+		BCMLOG(BCMLOG_INFO, "released api device - %d\n",
+		       adp->chd_dec_major);
+		class_destroy(crystalhd_class);
+	}
+	adp->chd_dec_major = 0;
+
+	/* Clear iodata pool.. */
+	do {
+		temp = chd_dec_alloc_iodata(adp, 0);
+		if (temp)
+			kfree(temp);
+	} while (temp);
+
+	crystalhd_delete_elem_pool(adp);
+}
+
+static int __devinit chd_pci_reserve_mem(struct crystalhd_adp *pinfo)
+{
+	int rc;
+	unsigned long bar2 = pci_resource_start(pinfo->pdev, 2);
+	uint32_t mem_len   = pci_resource_len(pinfo->pdev, 2);
+	unsigned long bar0 = pci_resource_start(pinfo->pdev, 0);
+	uint32_t i2o_len   = pci_resource_len(pinfo->pdev, 0);
+
+	BCMLOG(BCMLOG_SSTEP, "bar2:0x%lx-0x%08x  bar0:0x%lx-0x%08x\n",
+	       bar2, mem_len, bar0, i2o_len);
+
+	rc = check_mem_region(bar2, mem_len);
+	if (rc) {
+		BCMLOG_ERR("No valid mem region...\n");
+		return -ENOMEM;
+	}
+
+	pinfo->addr = ioremap_nocache(bar2, mem_len);
+	if (!pinfo->addr) {
+		BCMLOG_ERR("Failed to remap mem region...\n");
+		return -ENOMEM;
+	}
+
+	pinfo->pci_mem_start = bar2;
+	pinfo->pci_mem_len   = mem_len;
+
+	rc = check_mem_region(bar0, i2o_len);
+	if (rc) {
+		BCMLOG_ERR("No valid mem region...\n");
+		return -ENOMEM;
+	}
+
+	pinfo->i2o_addr = ioremap_nocache(bar0, i2o_len);
+	if (!pinfo->i2o_addr) {
+		BCMLOG_ERR("Failed to remap mem region...\n");
+		return -ENOMEM;
+	}
+
+	pinfo->pci_i2o_start = bar0;
+	pinfo->pci_i2o_len   = i2o_len;
+
+	rc = pci_request_regions(pinfo->pdev, pinfo->name);
+	if (rc < 0) {
+		BCMLOG_ERR("Region request failed: %d\n", rc);
+		return rc;
+	}
+
+	BCMLOG(BCMLOG_SSTEP, "Mapped addr:0x%08lx  i2o_addr:0x%08lx\n",
+	       (unsigned long)pinfo->addr, (unsigned long)pinfo->i2o_addr);
+
+	return 0;
+}
+
+static void __devexit chd_pci_release_mem(struct crystalhd_adp *pinfo)
+{
+	if (!pinfo)
+		return;
+
+	if (pinfo->addr)
+		iounmap(pinfo->addr);
+
+	if (pinfo->i2o_addr)
+		iounmap(pinfo->i2o_addr);
+
+	pci_release_regions(pinfo->pdev);
+}
+
+
+static void __devexit chd_dec_pci_remove(struct pci_dev *pdev)
+{
+	struct crystalhd_adp *pinfo;
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	BCMLOG_ENTER;
+
+	pinfo = (struct crystalhd_adp *) pci_get_drvdata(pdev);
+	if (!pinfo) {
+		BCMLOG_ERR("could not get adp\n");
+		return;
+	}
+
+	sts = crystalhd_delete_cmd_context(&pinfo->cmds);
+	if (sts != BC_STS_SUCCESS)
+		BCMLOG_ERR("cmd delete :%d \n", sts);
+
+	chd_dec_release_chdev(pinfo);
+
+	chd_dec_disable_int(pinfo);
+
+	chd_pci_release_mem(pinfo);
+	pci_disable_device(pinfo->pdev);
+
+	kfree(pinfo);
+	g_adp_info = NULL;
+}
+
+static int __devinit chd_dec_pci_probe(struct pci_dev *pdev,
+			     const struct pci_device_id *entry)
+{
+	struct crystalhd_adp *pinfo;
+	int rc;
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	BCMLOG(BCMLOG_DBG, "PCI_INFO: Vendor:0x%04x Device:0x%04x "
+	       "s_vendor:0x%04x s_device: 0x%04x\n",
+	       pdev->vendor, pdev->device, pdev->subsystem_vendor,
+	       pdev->subsystem_device);
+
+	/* FIXME: jarod: why atomic? */
+	pinfo = kzalloc(sizeof(struct crystalhd_adp), GFP_ATOMIC);
+	if (!pinfo) {
+		BCMLOG_ERR("Failed to allocate memory\n");
+		return -ENOMEM;
+	}
+
+	pinfo->pdev = pdev;
+
+	rc = pci_enable_device(pdev);
+	if (rc) {
+		BCMLOG_ERR("Failed to enable PCI device\n");
+		return rc;
+	}
+
+	snprintf(pinfo->name, 31, "crystalhd_pci_e:%d:%d:%d",
+		 pdev->bus->number, PCI_SLOT(pdev->devfn),
+		 PCI_FUNC(pdev->devfn));
+
+	rc = chd_pci_reserve_mem(pinfo);
+	if (rc) {
+		BCMLOG_ERR("Failed to setup memory regions.\n");
+		return -ENOMEM;
+	}
+
+	pinfo->present	= 1;
+	pinfo->drv_data = entry->driver_data;
+
+	/* Setup adapter level lock.. */
+	spin_lock_init(&pinfo->lock);
+
+	/* setup api stuff.. */
+	chd_dec_init_chdev(pinfo);
+	rc = chd_dec_enable_int(pinfo);
+	if (rc) {
+		BCMLOG_ERR("_enable_int err:%d \n", rc);
+		pci_disable_device(pdev);
+		return -ENODEV;
+	}
+
+	/* Set dma mask... */
+	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
+		pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
+		pinfo->dmabits = 64;
+	} else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
+		pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
+		pinfo->dmabits = 32;
+	} else {
+		BCMLOG_ERR("Unabled to setup DMA %d\n", rc);
+		pci_disable_device(pdev);
+		return -ENODEV;
+	}
+
+	sts = crystalhd_setup_cmd_context(&pinfo->cmds, pinfo);
+	if (sts != BC_STS_SUCCESS) {
+		BCMLOG_ERR("cmd setup :%d \n", sts);
+		pci_disable_device(pdev);
+		return -ENODEV;
+	}
+
+	pci_set_master(pdev);
+
+	pci_set_drvdata(pdev, pinfo);
+
+	g_adp_info = pinfo;
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+int chd_dec_pci_suspend(struct pci_dev *pdev, pm_message_t state)
+{
+	struct crystalhd_adp *adp;
+	crystalhd_ioctl_data *temp;
+	BC_STATUS sts = BC_STS_SUCCESS;
+
+	adp = (struct crystalhd_adp *)pci_get_drvdata(pdev);
+	if (!adp) {
+		BCMLOG_ERR("could not get adp\n");
+		return -ENODEV;
+	}
+
+	temp = chd_dec_alloc_iodata(adp, false);
+	if (!temp) {
+		BCMLOG_ERR("could not get ioctl data\n");
+		return -ENODEV;
+	}
+
+	sts = crystalhd_suspend(&adp->cmds, temp);
+	if (sts != BC_STS_SUCCESS) {
+		BCMLOG_ERR("BCM70012 Suspend %d\n", sts);
+		return -ENODEV;
+	}
+
+	chd_dec_free_iodata(adp, temp, false);
+	chd_dec_disable_int(adp);
+	pci_save_state(pdev);
+
+	/* Disable IO/bus master/irq router */
+	pci_disable_device(pdev);
+	pci_set_power_state(pdev, pci_choose_state(pdev, state));
+	return 0;
+}
+
+int chd_dec_pci_resume(struct pci_dev *pdev)
+{
+	struct crystalhd_adp *adp;
+	BC_STATUS sts = BC_STS_SUCCESS;
+	int rc;
+
+	adp = (struct crystalhd_adp *)pci_get_drvdata(pdev);
+	if (!adp) {
+		BCMLOG_ERR("could not get adp\n");
+		return -ENODEV;
+	}
+
+	pci_set_power_state(pdev, PCI_D0);
+	pci_restore_state(pdev);
+
+	/* device's irq possibly is changed, driver should take care */
+	if (pci_enable_device(pdev)) {
+		BCMLOG_ERR("Failed to enable PCI device\n");
+		return 1;
+	}
+
+	pci_set_master(pdev);
+
+	rc = chd_dec_enable_int(adp);
+	if (rc) {
+		BCMLOG_ERR("_enable_int err:%d \n", rc);
+		pci_disable_device(pdev);
+		return -ENODEV;
+	}
+
+	sts = crystalhd_resume(&adp->cmds);
+	if (sts != BC_STS_SUCCESS) {
+		BCMLOG_ERR("BCM70012 Resume %d\n", sts);
+		pci_disable_device(pdev);
+		return -ENODEV;
+	}
+
+	return 0;
+}
+#endif
+
+static DEFINE_PCI_DEVICE_TABLE(chd_dec_pci_id_table) = {
+	{ PCI_VDEVICE(BROADCOM, 0x1612), 8 },
+	{ 0, },
+};
+MODULE_DEVICE_TABLE(pci, chd_dec_pci_id_table);
+
+static struct pci_driver bc_chd_70012_driver = {
+	.name     = "Broadcom 70012 Decoder",
+	.probe    = chd_dec_pci_probe,
+	.remove   = __devexit_p(chd_dec_pci_remove),
+	.id_table = chd_dec_pci_id_table,
+#ifdef CONFIG_PM
+	.suspend  = chd_dec_pci_suspend,
+	.resume   = chd_dec_pci_resume
+#endif
+};
+
+void chd_set_log_level(struct crystalhd_adp *adp, char *arg)
+{
+	if ((!arg) || (strlen(arg) < 3))
+		g_linklog_level = BCMLOG_ERROR | BCMLOG_DATA;
+	else if (!strncmp(arg, "sstep", 5))
+		g_linklog_level = BCMLOG_INFO | BCMLOG_DATA | BCMLOG_DBG |
+				  BCMLOG_SSTEP | BCMLOG_ERROR;
+	else if (!strncmp(arg, "info", 4))
+		g_linklog_level = BCMLOG_ERROR | BCMLOG_DATA | BCMLOG_INFO;
+	else if (!strncmp(arg, "debug", 5))
+		g_linklog_level = BCMLOG_ERROR | BCMLOG_DATA | BCMLOG_INFO |
+				  BCMLOG_DBG;
+	else if (!strncmp(arg, "pball", 5))
+		g_linklog_level = 0xFFFFFFFF & ~(BCMLOG_SPINLOCK);
+	else if (!strncmp(arg, "silent", 6))
+		g_linklog_level = 0;
+	else
+		g_linklog_level = 0;
+}
+
+struct crystalhd_adp *chd_get_adp(void)
+{
+	return g_adp_info;
+}
+
+static int __init chd_dec_module_init(void)
+{
+	int rc;
+
+	chd_set_log_level(NULL, "debug");
+	BCMLOG(BCMLOG_DATA, "Loading crystalhd %d.%d.%d \n",
+	       crystalhd_kmod_major, crystalhd_kmod_minor, crystalhd_kmod_rev);
+
+	rc = pci_register_driver(&bc_chd_70012_driver);
+
+	if (rc < 0)
+		BCMLOG_ERR("Could not find any devices. err:%d \n", rc);
+
+	return rc;
+}
+module_init(chd_dec_module_init);
+
+static void __exit chd_dec_module_cleanup(void)
+{
+	BCMLOG(BCMLOG_DATA, "unloading crystalhd %d.%d.%d \n",
+	       crystalhd_kmod_major, crystalhd_kmod_minor, crystalhd_kmod_rev);
+
+	pci_unregister_driver(&bc_chd_70012_driver);
+}
+module_exit(chd_dec_module_cleanup);
+
+MODULE_AUTHOR("Naren Sankar <nsankar@broadcom.com>");
+MODULE_AUTHOR("Prasad Bolisetty <prasadb@broadcom.com>");
+MODULE_DESCRIPTION(CRYSTAL_HD_NAME);
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("bcm70012");
diff --git a/drivers/staging/crystalhd/crystalhd_lnx.h b/drivers/staging/crystalhd/crystalhd_lnx.h
new file mode 100644
index 000000000000..d338ae97a4cf
--- /dev/null
+++ b/drivers/staging/crystalhd/crystalhd_lnx.h
@@ -0,0 +1,96 @@
+/***************************************************************************
+ * Copyright (c) 2005-2009, Broadcom Corporation.
+ *
+ *  Name: crystalhd_lnx . c
+ *
+ *  Description:
+ *		BCM70012 Linux driver
+ *
+ *  HISTORY:
+ *
+ **********************************************************************
+ * This file is part of the crystalhd device driver.
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This driver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this driver.  If not, see <http://www.gnu.org/licenses/>.
+ **********************************************************************/
+
+#ifndef _CRYSTALHD_LNX_H_
+#define _CRYSTALHD_LNX_H_
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/pagemap.h>
+#include <linux/vmalloc.h>
+
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/pgtable.h>
+#include <asm/system.h>
+#include <asm/uaccess.h>
+
+#include "crystalhd_cmds.h"
+
+#define CRYSTAL_HD_NAME		"Broadcom Crystal HD Decoder (BCM70012) Driver"
+
+
+/* OS specific PCI information structure and adapter information. */
+struct crystalhd_adp {
+	/* Hardware borad/PCI specifics */
+	char			name[32];
+	struct pci_dev		*pdev;
+
+	unsigned long		pci_mem_start;
+	uint32_t		pci_mem_len;
+	void			*addr;
+
+	unsigned long		pci_i2o_start;
+	uint32_t		pci_i2o_len;
+	void			*i2o_addr;
+
+	unsigned int		drv_data;
+	unsigned int		dmabits;	/* 32 | 64 */
+	unsigned int		registered;
+	unsigned int		present;
+	unsigned int		msi;
+
+	spinlock_t		lock;
+
+	/* API Related */
+	unsigned int		chd_dec_major;
+	unsigned int		cfg_users;
+
+	crystalhd_ioctl_data	*idata_free_head;	/* ioctl data pool */
+	crystalhd_elem_t		*elem_pool_head;	/* Queue element pool */
+
+	struct crystalhd_cmd	cmds;
+
+	crystalhd_dio_req		*ua_map_free_head;
+	struct pci_pool		*fill_byte_pool;
+};
+
+
+struct crystalhd_adp *chd_get_adp(void);
+void chd_set_log_level(struct crystalhd_adp *adp, char *arg);
+
+#endif
+
diff --git a/drivers/staging/crystalhd/crystalhd_misc.c b/drivers/staging/crystalhd/crystalhd_misc.c
new file mode 100644
index 000000000000..587dcc477865
--- /dev/null
+++ b/drivers/staging/crystalhd/crystalhd_misc.c
@@ -0,0 +1,1030 @@
+/***************************************************************************
+ *	   Copyright (c) 2005-2009, Broadcom Corporation.
+ *
+ *  Name: crystalhd_misc . c
+ *
+ *  Description:
+ *		BCM70012 Linux driver misc routines.
+ *
+ *  HISTORY:
+ *
+ **********************************************************************
+ * This file is part of the crystalhd device driver.
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This driver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this driver.  If not, see <http://www.gnu.org/licenses/>.
+ **********************************************************************/
+
+#include "crystalhd_misc.h"
+#include "crystalhd_lnx.h"
+
+uint32_t g_linklog_level;
+
+static inline uint32_t crystalhd_dram_rd(struct crystalhd_adp *adp, uint32_t mem_off)
+{
+	crystalhd_reg_wr(adp, DCI_DRAM_BASE_ADDR, (mem_off >> 19));
+	return bc_dec_reg_rd(adp, (0x00380000 | (mem_off & 0x0007FFFF)));
+}
+
+static inline void crystalhd_dram_wr(struct crystalhd_adp *adp, uint32_t mem_off, uint32_t val)
+{
+	crystalhd_reg_wr(adp, DCI_DRAM_BASE_ADDR, (mem_off >> 19));
+	bc_dec_reg_wr(adp, (0x00380000 | (mem_off & 0x0007FFFF)), val);
+}
+
+static inline BC_STATUS bc_chk_dram_range(struct crystalhd_adp *adp, uint32_t start_off, uint32_t cnt)
+{
+	return BC_STS_SUCCESS;
+}
+
+static crystalhd_dio_req *crystalhd_alloc_dio(struct crystalhd_adp *adp)
+{
+	unsigned long flags = 0;
+	crystalhd_dio_req *temp = NULL;
+
+	if (!adp) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return temp;
+	}
+
+	spin_lock_irqsave(&adp->lock, flags);
+	temp = adp->ua_map_free_head;
+	if (temp)
+		adp->ua_map_free_head = adp->ua_map_free_head->next;
+	spin_unlock_irqrestore(&adp->lock, flags);
+
+	return temp;
+}
+
+static void crystalhd_free_dio(struct crystalhd_adp *adp, crystalhd_dio_req *dio)
+{
+	unsigned long flags = 0;
+
+	if (!adp || !dio)
+		return;
+	spin_lock_irqsave(&adp->lock, flags);
+	dio->sig = crystalhd_dio_inv;
+	dio->page_cnt = 0;
+	dio->fb_size = 0;
+	memset(&dio->uinfo, 0, sizeof(dio->uinfo));
+	dio->next = adp->ua_map_free_head;
+	adp->ua_map_free_head = dio;
+	spin_unlock_irqrestore(&adp->lock, flags);
+}
+
+static crystalhd_elem_t *crystalhd_alloc_elem(struct crystalhd_adp *adp)
+{
+	unsigned long flags = 0;
+	crystalhd_elem_t *temp = NULL;
+
+	if (!adp)
+		return temp;
+	spin_lock_irqsave(&adp->lock, flags);
+	temp = adp->elem_pool_head;
+	if (temp) {
+		adp->elem_pool_head = adp->elem_pool_head->flink;
+		memset(temp, 0, sizeof(*temp));
+	}
+	spin_unlock_irqrestore(&adp->lock, flags);
+
+	return temp;
+}
+static void crystalhd_free_elem(struct crystalhd_adp *adp, crystalhd_elem_t *elem)
+{
+	unsigned long flags = 0;
+
+	if (!adp || !elem)
+		return;
+	spin_lock_irqsave(&adp->lock, flags);
+	elem->flink = adp->elem_pool_head;
+	adp->elem_pool_head = elem;
+	spin_unlock_irqrestore(&adp->lock, flags);
+}
+
+static inline void crystalhd_set_sg(struct scatterlist *sg, struct page *page,
+				  unsigned int len, unsigned int offset)
+{
+	sg_set_page(sg, page, len, offset);
+#ifdef CONFIG_X86_64
+	sg->dma_length = len;
+#endif
+}
+
+static inline void crystalhd_init_sg(struct scatterlist *sg, unsigned int entries)
+{
+	/* http://lkml.org/lkml/2007/11/27/68 */
+	sg_init_table(sg, entries);
+}
+
+/*========================== Extern ========================================*/
+/**
+ * bc_dec_reg_rd - Read 7412's device register.
+ * @adp: Adapter instance
+ * @reg_off: Register offset.
+ *
+ * Return:
+ *	32bit value read
+ *
+ * 7412's device register read routine. This interface use
+ * 7412's device access range mapped from BAR-2 (4M) of PCIe
+ * configuration space.
+ */
+uint32_t bc_dec_reg_rd(struct crystalhd_adp *adp, uint32_t reg_off)
+{
+	if (!adp || (reg_off > adp->pci_mem_len)) {
+		BCMLOG_ERR("dec_rd_reg_off outof range: 0x%08x\n", reg_off);
+		return 0;
+	}
+
+	return readl(adp->addr + reg_off);
+}
+
+/**
+ * bc_dec_reg_wr - Write 7412's device register
+ * @adp: Adapter instance
+ * @reg_off: Register offset.
+ * @val: Dword value to be written.
+ *
+ * Return:
+ *	none.
+ *
+ * 7412's device register write routine. This interface use
+ * 7412's device access range mapped from BAR-2 (4M) of PCIe
+ * configuration space.
+ */
+void bc_dec_reg_wr(struct crystalhd_adp *adp, uint32_t reg_off, uint32_t val)
+{
+	if (!adp || (reg_off > adp->pci_mem_len)) {
+		BCMLOG_ERR("dec_wr_reg_off outof range: 0x%08x\n", reg_off);
+		return;
+	}
+	writel(val, adp->addr + reg_off);
+	udelay(8);
+}
+
+/**
+ * crystalhd_reg_rd - Read Link's device register.
+ * @adp: Adapter instance
+ * @reg_off: Register offset.
+ *
+ * Return:
+ *	32bit value read
+ *
+ * Link device register  read routine. This interface use
+ * Link's device access range mapped from BAR-1 (64K) of PCIe
+ * configuration space.
+ *
+ */
+uint32_t crystalhd_reg_rd(struct crystalhd_adp *adp, uint32_t reg_off)
+{
+	if (!adp || (reg_off > adp->pci_i2o_len)) {
+		BCMLOG_ERR("link_rd_reg_off outof range: 0x%08x\n", reg_off);
+		return 0;
+	}
+	return readl(adp->i2o_addr + reg_off);
+}
+
+/**
+ * crystalhd_reg_wr - Write Link's device register
+ * @adp: Adapter instance
+ * @reg_off: Register offset.
+ * @val: Dword value to be written.
+ *
+ * Return:
+ *	none.
+ *
+ * Link device register  write routine. This interface use
+ * Link's device access range mapped from BAR-1 (64K) of PCIe
+ * configuration space.
+ *
+ */
+void crystalhd_reg_wr(struct crystalhd_adp *adp, uint32_t reg_off, uint32_t val)
+{
+	if (!adp || (reg_off > adp->pci_i2o_len)) {
+		BCMLOG_ERR("link_wr_reg_off outof range: 0x%08x\n", reg_off);
+		return;
+	}
+	writel(val, adp->i2o_addr + reg_off);
+}
+
+/**
+ * crystalhd_mem_rd - Read data from 7412's DRAM area.
+ * @adp: Adapter instance
+ * @start_off: Start offset.
+ * @dw_cnt: Count in dwords.
+ * @rd_buff: Buffer to copy the data from dram.
+ *
+ * Return:
+ *	Status.
+ *
+ * 7412's Dram read routine.
+ */
+BC_STATUS crystalhd_mem_rd(struct crystalhd_adp *adp, uint32_t start_off,
+			 uint32_t dw_cnt, uint32_t *rd_buff)
+{
+	uint32_t ix = 0;
+
+	if (!adp || !rd_buff ||
+	    (bc_chk_dram_range(adp, start_off, dw_cnt) != BC_STS_SUCCESS)) {
+		BCMLOG_ERR("Invalid arg \n");
+		return BC_STS_INV_ARG;
+	}
+	for (ix = 0; ix < dw_cnt; ix++)
+		rd_buff[ix] = crystalhd_dram_rd(adp, (start_off + (ix * 4)));
+
+	return BC_STS_SUCCESS;
+}
+
+/**
+ * crystalhd_mem_wr - Write data to 7412's DRAM area.
+ * @adp: Adapter instance
+ * @start_off: Start offset.
+ * @dw_cnt: Count in dwords.
+ * @wr_buff: Data Buffer to be written.
+ *
+ * Return:
+ *	Status.
+ *
+ * 7412's Dram write routine.
+ */
+BC_STATUS crystalhd_mem_wr(struct crystalhd_adp *adp, uint32_t start_off,
+			 uint32_t dw_cnt, uint32_t *wr_buff)
+{
+	uint32_t ix = 0;
+
+	if (!adp || !wr_buff ||
+	    (bc_chk_dram_range(adp, start_off, dw_cnt) != BC_STS_SUCCESS)) {
+		BCMLOG_ERR("Invalid arg \n");
+		return BC_STS_INV_ARG;
+	}
+
+	for (ix = 0; ix < dw_cnt; ix++)
+		crystalhd_dram_wr(adp, (start_off + (ix * 4)), wr_buff[ix]);
+
+	return BC_STS_SUCCESS;
+}
+/**
+ * crystalhd_pci_cfg_rd - PCIe config read
+ * @adp: Adapter instance
+ * @off: PCI config space offset.
+ * @len: Size -- Byte, Word & dword.
+ * @val: Value read
+ *
+ * Return:
+ *	Status.
+ *
+ * Get value from Link's PCIe config space.
+ */
+BC_STATUS crystalhd_pci_cfg_rd(struct crystalhd_adp *adp, uint32_t off,
+			     uint32_t len, uint32_t *val)
+{
+	BC_STATUS sts = BC_STS_SUCCESS;
+	int rc = 0;
+
+	if (!adp || !val) {
+		BCMLOG_ERR("Invalid arg \n");
+		return BC_STS_INV_ARG;
+	}
+
+	switch (len) {
+	case 1:
+		rc = pci_read_config_byte(adp->pdev, off, (u8 *)val);
+		break;
+	case 2:
+		rc = pci_read_config_word(adp->pdev, off, (u16 *)val);
+		break;
+	case 4:
+		rc = pci_read_config_dword(adp->pdev, off, (u32 *)val);
+		break;
+	default:
+		rc = -EINVAL;
+		sts = BC_STS_INV_ARG;
+		BCMLOG_ERR("Invalid len:%d\n", len);
+	};
+
+	if (rc && (sts == BC_STS_SUCCESS))
+		sts = BC_STS_ERROR;
+
+	return sts;
+}
+
+/**
+ * crystalhd_pci_cfg_wr - PCIe config write
+ * @adp: Adapter instance
+ * @off: PCI config space offset.
+ * @len: Size -- Byte, Word & dword.
+ * @val: Value to be written
+ *
+ * Return:
+ *	Status.
+ *
+ * Set value to Link's PCIe config space.
+ */
+BC_STATUS crystalhd_pci_cfg_wr(struct crystalhd_adp *adp, uint32_t off,
+			     uint32_t len, uint32_t val)
+{
+	BC_STATUS sts = BC_STS_SUCCESS;
+	int rc = 0;
+
+	if (!adp || !val) {
+		BCMLOG_ERR("Invalid arg \n");
+		return BC_STS_INV_ARG;
+	}
+
+	switch (len) {
+	case 1:
+		rc = pci_write_config_byte(adp->pdev, off, (u8)val);
+		break;
+	case 2:
+		rc = pci_write_config_word(adp->pdev, off, (u16)val);
+		break;
+	case 4:
+		rc = pci_write_config_dword(adp->pdev, off, val);
+		break;
+	default:
+		rc = -EINVAL;
+		sts = BC_STS_INV_ARG;
+		BCMLOG_ERR("Invalid len:%d\n", len);
+	};
+
+	if (rc && (sts == BC_STS_SUCCESS))
+		sts = BC_STS_ERROR;
+
+	return sts;
+}
+
+/**
+ * bc_kern_dma_alloc - Allocate memory for Dma rings
+ * @adp: Adapter instance
+ * @sz: Size of the memory to allocate.
+ * @phy_addr: Physical address of the memory allocated.
+ *	   Typedef to system's dma_addr_t (u64)
+ *
+ * Return:
+ *  Pointer to allocated memory..
+ *
+ * Wrapper to Linux kernel interface.
+ *
+ */
+void *bc_kern_dma_alloc(struct crystalhd_adp *adp, uint32_t sz,
+			dma_addr_t *phy_addr)
+{
+	void *temp = NULL;
+
+	if (!adp || !sz || !phy_addr) {
+		BCMLOG_ERR("Invalide Arg..\n");
+		return temp;
+	}
+
+	temp = pci_alloc_consistent(adp->pdev, sz, phy_addr);
+	if (temp)
+		memset(temp, 0, sz);
+
+	return temp;
+}
+
+/**
+ * bc_kern_dma_free - Release Dma ring memory.
+ * @adp: Adapter instance
+ * @sz: Size of the memory to allocate.
+ * @ka: Kernel virtual address returned during _dio_alloc()
+ * @phy_addr: Physical address of the memory allocated.
+ *	   Typedef to system's dma_addr_t (u64)
+ *
+ * Return:
+ *     none.
+ */
+void bc_kern_dma_free(struct crystalhd_adp *adp, uint32_t sz, void *ka,
+		      dma_addr_t phy_addr)
+{
+	if (!adp || !ka || !sz || !phy_addr) {
+		BCMLOG_ERR("Invalide Arg..\n");
+		return;
+	}
+
+	pci_free_consistent(adp->pdev, sz, ka, phy_addr);
+}
+
+/**
+ * crystalhd_create_dioq - Create Generic DIO queue
+ * @adp: Adapter instance
+ * @dioq_hnd: Handle to the dio queue created
+ * @cb	: Optional - Call back To free the element.
+ * @cbctx: Context to pass to callback.
+ *
+ * Return:
+ *  status
+ *
+ * Initialize Generic DIO queue to hold any data. Callback
+ * will be used to free elements while deleting the queue.
+ */
+BC_STATUS crystalhd_create_dioq(struct crystalhd_adp *adp,
+			      crystalhd_dioq_t **dioq_hnd,
+			      crystalhd_data_free_cb cb, void *cbctx)
+{
+	crystalhd_dioq_t *dioq = NULL;
+
+	if (!adp || !dioq_hnd) {
+		BCMLOG_ERR("Invalid arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	dioq = kzalloc(sizeof(*dioq), GFP_KERNEL);
+	if (!dioq)
+		return BC_STS_INSUFF_RES;
+
+	spin_lock_init(&dioq->lock);
+	dioq->sig = BC_LINK_DIOQ_SIG;
+	dioq->head = (crystalhd_elem_t *)&dioq->head;
+	dioq->tail = (crystalhd_elem_t *)&dioq->head;
+	crystalhd_create_event(&dioq->event);
+	dioq->adp = adp;
+	dioq->data_rel_cb = cb;
+	dioq->cb_context = cbctx;
+	*dioq_hnd = dioq;
+
+	return BC_STS_SUCCESS;
+}
+
+/**
+ * crystalhd_delete_dioq - Delete Generic DIO queue
+ * @adp: Adapter instance
+ * @dioq: DIOQ instance..
+ *
+ * Return:
+ *  None.
+ *
+ * Release Generic DIO queue. This function will remove
+ * all the entries from the Queue and will release data
+ * by calling the call back provided during creation.
+ *
+ */
+void crystalhd_delete_dioq(struct crystalhd_adp *adp, crystalhd_dioq_t *dioq)
+{
+	void *temp;
+
+	if (!dioq || (dioq->sig != BC_LINK_DIOQ_SIG))
+		return;
+
+	do {
+		temp = crystalhd_dioq_fetch(dioq);
+		if (temp && dioq->data_rel_cb)
+			dioq->data_rel_cb(dioq->cb_context, temp);
+	} while (temp);
+	dioq->sig = 0;
+	kfree(dioq);
+}
+
+/**
+ * crystalhd_dioq_add - Add new DIO request element.
+ * @ioq: DIO queue instance
+ * @t: DIO request to be added.
+ * @wake: True - Wake up suspended process.
+ * @tag: Special tag to assign - For search and get.
+ *
+ * Return:
+ *  Status.
+ *
+ * Insert new element to Q tail.
+ */
+BC_STATUS crystalhd_dioq_add(crystalhd_dioq_t *ioq, void *data,
+			   bool wake, uint32_t tag)
+{
+	unsigned long flags = 0;
+	crystalhd_elem_t *tmp;
+
+	if (!ioq || (ioq->sig != BC_LINK_DIOQ_SIG) || !data) {
+		BCMLOG_ERR("Invalid arg!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	tmp = crystalhd_alloc_elem(ioq->adp);
+	if (!tmp) {
+		BCMLOG_ERR("No free elements.\n");
+		return BC_STS_INSUFF_RES;
+	}
+
+	tmp->data = data;
+	tmp->tag = tag;
+	spin_lock_irqsave(&ioq->lock, flags);
+	tmp->flink = (crystalhd_elem_t *)&ioq->head;
+	tmp->blink = ioq->tail;
+	tmp->flink->blink = tmp;
+	tmp->blink->flink = tmp;
+	ioq->count++;
+	spin_unlock_irqrestore(&ioq->lock, flags);
+
+	if (wake)
+		crystalhd_set_event(&ioq->event);
+
+	return BC_STS_SUCCESS;
+}
+
+/**
+ * crystalhd_dioq_fetch - Fetch element from head.
+ * @ioq: DIO queue instance
+ *
+ * Return:
+ *	data element from the head..
+ *
+ * Remove an element from Queue.
+ */
+void *crystalhd_dioq_fetch(crystalhd_dioq_t *ioq)
+{
+	unsigned long flags = 0;
+	crystalhd_elem_t *tmp;
+	crystalhd_elem_t *ret = NULL;
+	void *data = NULL;
+
+	if (!ioq || (ioq->sig != BC_LINK_DIOQ_SIG)) {
+		BCMLOG_ERR("Invalid arg!!\n");
+		return data;
+	}
+
+	spin_lock_irqsave(&ioq->lock, flags);
+	tmp = ioq->head;
+	if (tmp != (crystalhd_elem_t *)&ioq->head) {
+		ret = tmp;
+		tmp->flink->blink = tmp->blink;
+		tmp->blink->flink = tmp->flink;
+		ioq->count--;
+	}
+	spin_unlock_irqrestore(&ioq->lock, flags);
+	if (ret) {
+		data = ret->data;
+		crystalhd_free_elem(ioq->adp, ret);
+	}
+
+	return data;
+}
+/**
+ * crystalhd_dioq_find_and_fetch - Search the tag and Fetch element
+ * @ioq: DIO queue instance
+ * @tag: Tag to search for.
+ *
+ * Return:
+ *	element from the head..
+ *
+ * Search TAG and remove the element.
+ */
+void *crystalhd_dioq_find_and_fetch(crystalhd_dioq_t *ioq, uint32_t tag)
+{
+	unsigned long flags = 0;
+	crystalhd_elem_t *tmp;
+	crystalhd_elem_t *ret = NULL;
+	void *data = NULL;
+
+	if (!ioq || (ioq->sig != BC_LINK_DIOQ_SIG)) {
+		BCMLOG_ERR("Invalid arg!!\n");
+		return data;
+	}
+
+	spin_lock_irqsave(&ioq->lock, flags);
+	tmp = ioq->head;
+	while (tmp != (crystalhd_elem_t *)&ioq->head) {
+		if (tmp->tag == tag) {
+			ret = tmp;
+			tmp->flink->blink = tmp->blink;
+			tmp->blink->flink = tmp->flink;
+			ioq->count--;
+			break;
+		}
+		tmp = tmp->flink;
+	}
+	spin_unlock_irqrestore(&ioq->lock, flags);
+
+	if (ret) {
+		data = ret->data;
+		crystalhd_free_elem(ioq->adp, ret);
+	}
+
+	return data;
+}
+
+/**
+ * crystalhd_dioq_fetch_wait - Fetch element from Head.
+ * @ioq: DIO queue instance
+ * @to_secs: Wait timeout in seconds..
+ *
+ * Return:
+ *	element from the head..
+ *
+ * Return element from head if Q is not empty. Wait for new element
+ * if Q is empty for Timeout seconds.
+ */
+void *crystalhd_dioq_fetch_wait(crystalhd_dioq_t *ioq, uint32_t to_secs,
+			      uint32_t *sig_pend)
+{
+	unsigned long flags = 0;
+	int rc = 0, count;
+	void *tmp = NULL;
+
+	if (!ioq || (ioq->sig != BC_LINK_DIOQ_SIG) || !to_secs || !sig_pend) {
+		BCMLOG_ERR("Invalid arg!!\n");
+		return tmp;
+	}
+
+	count = to_secs;
+	spin_lock_irqsave(&ioq->lock, flags);
+	while ((ioq->count == 0) && count) {
+		spin_unlock_irqrestore(&ioq->lock, flags);
+
+		crystalhd_wait_on_event(&ioq->event, (ioq->count > 0), 1000, rc, 0);
+		if (rc == 0) {
+			goto out;
+		} else if (rc == -EINTR) {
+			BCMLOG(BCMLOG_INFO, "Cancelling fetch wait\n");
+			*sig_pend = 1;
+			return tmp;
+		}
+		spin_lock_irqsave(&ioq->lock, flags);
+		count--;
+	}
+	spin_unlock_irqrestore(&ioq->lock, flags);
+
+out:
+	return crystalhd_dioq_fetch(ioq);
+}
+
+/**
+ * crystalhd_map_dio - Map user address for DMA
+ * @adp:	Adapter instance
+ * @ubuff:	User buffer to map.
+ * @ubuff_sz:	User buffer size.
+ * @uv_offset:	UV buffer offset.
+ * @en_422mode: TRUE:422 FALSE:420 Capture mode.
+ * @dir_tx:	TRUE for Tx (To device from host)
+ * @dio_hnd:	Handle to mapped DIO request.
+ *
+ * Return:
+ *	Status.
+ *
+ * This routine maps user address and lock pages for DMA.
+ *
+ */
+BC_STATUS crystalhd_map_dio(struct crystalhd_adp *adp, void *ubuff,
+			  uint32_t ubuff_sz, uint32_t uv_offset,
+			  bool en_422mode, bool dir_tx,
+			  crystalhd_dio_req **dio_hnd)
+{
+	crystalhd_dio_req	*dio;
+	/* FIXME: jarod: should some of these unsigned longs be uint32_t or uintptr_t? */
+	unsigned long start = 0, end = 0, uaddr = 0, count = 0;
+	unsigned long spsz = 0, uv_start = 0;
+	int i = 0, rw = 0, res = 0, nr_pages = 0, skip_fb_sg = 0;
+
+	if (!adp || !ubuff || !ubuff_sz || !dio_hnd) {
+		BCMLOG_ERR("Invalid arg \n");
+		return BC_STS_INV_ARG;
+	}
+	/* Compute pages */
+	uaddr = (unsigned long)ubuff;
+	count = (unsigned long)ubuff_sz;
+	end = (uaddr + count + PAGE_SIZE - 1) >> PAGE_SHIFT;
+	start = uaddr >> PAGE_SHIFT;
+	nr_pages = end - start;
+
+	if (!count || ((uaddr + count) < uaddr)) {
+		BCMLOG_ERR("User addr overflow!!\n");
+		return BC_STS_INV_ARG;
+	}
+
+	dio = crystalhd_alloc_dio(adp);
+	if (!dio) {
+		BCMLOG_ERR("dio pool empty..\n");
+		return BC_STS_INSUFF_RES;
+	}
+
+	if (dir_tx) {
+		rw = WRITE;
+		dio->direction = DMA_TO_DEVICE;
+	} else {
+		rw = READ;
+		dio->direction = DMA_FROM_DEVICE;
+	}
+
+	if (nr_pages > dio->max_pages) {
+		BCMLOG_ERR("max_pages(%d) exceeded(%d)!!\n",
+			   dio->max_pages, nr_pages);
+		crystalhd_unmap_dio(adp, dio);
+		return BC_STS_INSUFF_RES;
+	}
+
+	if (uv_offset) {
+		uv_start = (uaddr + (unsigned long)uv_offset)  >> PAGE_SHIFT;
+		dio->uinfo.uv_sg_ix = uv_start - start;
+		dio->uinfo.uv_sg_off = ((uaddr + (unsigned long)uv_offset) & ~PAGE_MASK);
+	}
+
+	dio->fb_size = ubuff_sz & 0x03;
+	if (dio->fb_size) {
+		res = copy_from_user(dio->fb_va,
+				     (void *)(uaddr + count - dio->fb_size),
+				     dio->fb_size);
+		if (res) {
+			BCMLOG_ERR("failed %d to copy %u fill bytes from %p\n",
+				   res, dio->fb_size,
+				   (void *)(uaddr + count-dio->fb_size));
+			crystalhd_unmap_dio(adp, dio);
+			return BC_STS_INSUFF_RES;
+		}
+	}
+
+	down_read(&current->mm->mmap_sem);
+	res = get_user_pages(current, current->mm, uaddr, nr_pages, rw == READ,
+			     0, dio->pages, NULL);
+	up_read(&current->mm->mmap_sem);
+
+	/* Save for release..*/
+	dio->sig = crystalhd_dio_locked;
+	if (res < nr_pages) {
+		BCMLOG_ERR("get pages failed: %d-%d\n", nr_pages, res);
+		dio->page_cnt = res;
+		crystalhd_unmap_dio(adp, dio);
+		return BC_STS_ERROR;
+	}
+
+	dio->page_cnt = nr_pages;
+	/* Get scatter/gather */
+	crystalhd_init_sg(dio->sg, dio->page_cnt);
+	crystalhd_set_sg(&dio->sg[0], dio->pages[0], 0, uaddr & ~PAGE_MASK);
+	if (nr_pages > 1) {
+		dio->sg[0].length = PAGE_SIZE - dio->sg[0].offset;
+
+#ifdef CONFIG_X86_64
+		dio->sg[0].dma_length = dio->sg[0].length;
+#endif
+		count -= dio->sg[0].length;
+		for (i = 1; i < nr_pages; i++) {
+			if (count < 4) {
+				spsz = count;
+				skip_fb_sg = 1;
+			} else {
+				spsz = (count < PAGE_SIZE) ?
+					(count & ~0x03) : PAGE_SIZE;
+			}
+			crystalhd_set_sg(&dio->sg[i], dio->pages[i], spsz, 0);
+			count -= spsz;
+		}
+	} else {
+		if (count < 4) {
+			dio->sg[0].length = count;
+			skip_fb_sg = 1;
+		} else {
+			dio->sg[0].length = count - dio->fb_size;
+		}
+#ifdef CONFIG_X86_64
+		dio->sg[0].dma_length = dio->sg[0].length;
+#endif
+	}
+	dio->sg_cnt = pci_map_sg(adp->pdev, dio->sg,
+				 dio->page_cnt, dio->direction);
+	if (dio->sg_cnt <= 0) {
+		BCMLOG_ERR("sg map %d-%d \n", dio->sg_cnt, dio->page_cnt);
+		crystalhd_unmap_dio(adp, dio);
+		return BC_STS_ERROR;
+	}
+	if (dio->sg_cnt && skip_fb_sg)
+		dio->sg_cnt -= 1;
+	dio->sig = crystalhd_dio_sg_mapped;
+	/* Fill in User info.. */
+	dio->uinfo.xfr_len   = ubuff_sz;
+	dio->uinfo.xfr_buff  = ubuff;
+	dio->uinfo.uv_offset = uv_offset;
+	dio->uinfo.b422mode  = en_422mode;
+	dio->uinfo.dir_tx    = dir_tx;
+
+	*dio_hnd = dio;
+
+	return BC_STS_SUCCESS;
+}
+
+/**
+ * crystalhd_unmap_sgl - Release mapped resources
+ * @adp: Adapter instance
+ * @dio: DIO request instance
+ *
+ * Return:
+ *	Status.
+ *
+ * This routine is to unmap the user buffer pages.
+ */
+BC_STATUS crystalhd_unmap_dio(struct crystalhd_adp *adp, crystalhd_dio_req *dio)
+{
+	struct page *page = NULL;
+	int j = 0;
+
+	if (!adp || !dio) {
+		BCMLOG_ERR("Invalid arg \n");
+		return BC_STS_INV_ARG;
+	}
+
+	if ((dio->page_cnt > 0) && (dio->sig != crystalhd_dio_inv)) {
+		for (j = 0; j < dio->page_cnt; j++) {
+			page = dio->pages[j];
+			if (page) {
+				if (!PageReserved(page) &&
+				    (dio->direction == DMA_FROM_DEVICE))
+					SetPageDirty(page);
+				page_cache_release(page);
+			}
+		}
+	}
+	if (dio->sig == crystalhd_dio_sg_mapped)
+		pci_unmap_sg(adp->pdev, dio->sg, dio->page_cnt, dio->direction);
+
+	crystalhd_free_dio(adp, dio);
+
+	return BC_STS_SUCCESS;
+}
+
+/**
+ * crystalhd_create_dio_pool - Allocate mem pool for DIO management.
+ * @adp: Adapter instance
+ * @max_pages: Max pages for size calculation.
+ *
+ * Return:
+ *	system error.
+ *
+ * This routine creates a memory pool to hold dio context for
+ * for HW Direct IO operation.
+ */
+int crystalhd_create_dio_pool(struct crystalhd_adp *adp, uint32_t max_pages)
+{
+	uint32_t asz = 0, i = 0;
+	uint8_t	*temp;
+	crystalhd_dio_req *dio;
+
+	if (!adp || !max_pages) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return -EINVAL;
+	}
+
+	/* Get dma memory for fill byte handling..*/
+	adp->fill_byte_pool = pci_pool_create("crystalhd_fbyte",
+					      adp->pdev, 8, 8, 0);
+	if (!adp->fill_byte_pool) {
+		BCMLOG_ERR("failed to create fill byte pool\n");
+		return -ENOMEM;
+	}
+
+	/* Get the max size from user based on 420/422 modes */
+	asz =  (sizeof(*dio->pages) * max_pages) +
+	       (sizeof(*dio->sg) * max_pages) + sizeof(*dio);
+
+	BCMLOG(BCMLOG_DBG, "Initializing Dio pool %d %d %x %p\n",
+	       BC_LINK_SG_POOL_SZ, max_pages, asz, adp->fill_byte_pool);
+
+	for (i = 0; i < BC_LINK_SG_POOL_SZ; i++) {
+		temp = (uint8_t *)kzalloc(asz, GFP_KERNEL);
+		if ((temp) == NULL) {
+			BCMLOG_ERR("Failed to alloc %d mem\n", asz);
+			return -ENOMEM;
+		}
+
+		dio = (crystalhd_dio_req *)temp;
+		temp += sizeof(*dio);
+		dio->pages = (struct page **)temp;
+		temp += (sizeof(*dio->pages) * max_pages);
+		dio->sg = (struct scatterlist *)temp;
+		dio->max_pages = max_pages;
+		dio->fb_va = pci_pool_alloc(adp->fill_byte_pool, GFP_KERNEL,
+					    &dio->fb_pa);
+		if (!dio->fb_va) {
+			BCMLOG_ERR("fill byte alloc failed.\n");
+			return -ENOMEM;
+		}
+
+		crystalhd_free_dio(adp, dio);
+	}
+
+	return 0;
+}
+
+/**
+ * crystalhd_destroy_dio_pool - Release DIO mem pool.
+ * @adp: Adapter instance
+ *
+ * Return:
+ *	none.
+ *
+ * This routine releases dio memory pool during close.
+ */
+void crystalhd_destroy_dio_pool(struct crystalhd_adp *adp)
+{
+	crystalhd_dio_req *dio;
+	int count = 0;
+
+	if (!adp) {
+		BCMLOG_ERR("Invalid Arg!!\n");
+		return;
+	}
+
+	do {
+		dio = crystalhd_alloc_dio(adp);
+		if (dio) {
+			if (dio->fb_va)
+				pci_pool_free(adp->fill_byte_pool,
+					      dio->fb_va, dio->fb_pa);
+			count++;
+			kfree(dio);
+		}
+	} while (dio);
+
+	if (adp->fill_byte_pool) {
+		pci_pool_destroy(adp->fill_byte_pool);
+		adp->fill_byte_pool = NULL;
+	}
+
+	BCMLOG(BCMLOG_DBG, "Released dio pool %d \n", count);
+}
+
+/**
+ * crystalhd_create_elem_pool - List element pool creation.
+ * @adp: Adapter instance
+ * @pool_size: Number of elements in the pool.
+ *
+ * Return:
+ *	0 - success, <0 error
+ *
+ * Create general purpose list element pool to hold pending,
+ * and active requests.
+ */
+int __devinit crystalhd_create_elem_pool(struct crystalhd_adp *adp,
+		uint32_t pool_size)
+{
+	uint32_t i;
+	crystalhd_elem_t *temp;
+
+	if (!adp || !pool_size)
+		return -EINVAL;
+
+	for (i = 0; i < pool_size; i++) {
+		temp = kzalloc(sizeof(*temp), GFP_KERNEL);
+		if (!temp) {
+			BCMLOG_ERR("kalloc failed \n");
+			return -ENOMEM;
+		}
+		crystalhd_free_elem(adp, temp);
+	}
+	BCMLOG(BCMLOG_DBG, "allocated %d elem\n", pool_size);
+	return 0;
+}
+
+/**
+ * crystalhd_delete_elem_pool - List element pool deletion.
+ * @adp: Adapter instance
+ *
+ * Return:
+ *	none
+ *
+ * Delete general purpose list element pool.
+ */
+void crystalhd_delete_elem_pool(struct crystalhd_adp *adp)
+{
+	crystalhd_elem_t *temp;
+	int dbg_cnt = 0;
+
+	if (!adp)
+		return;
+
+	do {
+		temp = crystalhd_alloc_elem(adp);
+		if (temp) {
+			kfree(temp);
+			dbg_cnt++;
+		}
+	} while (temp);
+
+	BCMLOG(BCMLOG_DBG, "released %d elem\n", dbg_cnt);
+}
+
+/*================ Debug support routines.. ================================*/
+void crystalhd_show_buffer(uint32_t off, uint8_t *buff, uint32_t dwcount)
+{
+	uint32_t i, k = 1;
+
+	for (i = 0; i < dwcount; i++) {
+		if (k == 1)
+			BCMLOG(BCMLOG_DATA, "0x%08X : ", off);
+
+		BCMLOG(BCMLOG_DATA, " 0x%08X ", *((uint32_t *)buff));
+
+		buff += sizeof(uint32_t);
+		off  += sizeof(uint32_t);
+		k++;
+		if ((i == dwcount - 1) || (k > 4)) {
+			BCMLOG(BCMLOG_DATA, "\n");
+			k = 1;
+		}
+	}
+}
diff --git a/drivers/staging/crystalhd/crystalhd_misc.h b/drivers/staging/crystalhd/crystalhd_misc.h
new file mode 100644
index 000000000000..a2aa6ad7fc81
--- /dev/null
+++ b/drivers/staging/crystalhd/crystalhd_misc.h
@@ -0,0 +1,229 @@
+/***************************************************************************
+ * Copyright (c) 2005-2009, Broadcom Corporation.
+ *
+ *  Name: crystalhd_misc . h
+ *
+ *  Description:
+ *		BCM70012 Linux driver general purpose routines.
+ *		Includes reg/mem read and write routines.
+ *
+ *  HISTORY:
+ *
+ **********************************************************************
+ * This file is part of the crystalhd device driver.
+ *
+ * This driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This driver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this driver.  If not, see <http://www.gnu.org/licenses/>.
+ **********************************************************************/
+
+#ifndef _CRYSTALHD_MISC_H_
+#define _CRYSTALHD_MISC_H_
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/ioctl.h>
+#include <linux/dma-mapping.h>
+#include <linux/version.h>
+#include <linux/sched.h>
+#include <asm/system.h>
+#include "bc_dts_glob_lnx.h"
+
+/* Global log level variable defined in crystal_misc.c file */
+extern uint32_t g_linklog_level;
+
+/* Global element pool for all Queue management.
+ * TX: Active = BC_TX_LIST_CNT, Free = BC_TX_LIST_CNT.
+ * RX: Free = BC_RX_LIST_CNT, Active = 2
+ * FW-CMD: 4
+ */
+#define	BC_LINK_ELEM_POOL_SZ	((BC_TX_LIST_CNT * 2) + BC_RX_LIST_CNT + 2 + 4)
+
+/* Driver's IODATA pool count */
+#define	CHD_IODATA_POOL_SZ    (BC_IOCTL_DATA_POOL_SIZE * BC_LINK_MAX_OPENS)
+
+/* Scatter Gather memory pool size for Tx and Rx */
+#define BC_LINK_SG_POOL_SZ    (BC_TX_LIST_CNT + BC_RX_LIST_CNT)
+
+enum _crystalhd_dio_sig {
+	crystalhd_dio_inv = 0,
+	crystalhd_dio_locked,
+	crystalhd_dio_sg_mapped,
+};
+
+struct crystalhd_dio_user_info {
+	void			*xfr_buff;
+	uint32_t		xfr_len;
+	uint32_t		uv_offset;
+	bool			dir_tx;
+
+	uint32_t		uv_sg_ix;
+	uint32_t		uv_sg_off;
+	int			comp_sts;
+	int			ev_sts;
+	uint32_t		y_done_sz;
+	uint32_t		uv_done_sz;
+	uint32_t		comp_flags;
+	bool			b422mode;
+};
+
+typedef struct _crystalhd_dio_req {
+	uint32_t			sig;
+	uint32_t			max_pages;
+	struct page			**pages;
+	struct scatterlist		*sg;
+	int				sg_cnt;
+	int				page_cnt;
+	int				direction;
+	struct crystalhd_dio_user_info	uinfo;
+	void				*fb_va;
+	uint32_t			fb_size;
+	dma_addr_t			fb_pa;
+	struct _crystalhd_dio_req		*next;
+} crystalhd_dio_req;
+
+#define BC_LINK_DIOQ_SIG	(0x09223280)
+
+typedef struct _crystalhd_elem_s {
+	struct _crystalhd_elem_s	*flink;
+	struct _crystalhd_elem_s	*blink;
+	void			*data;
+	uint32_t		tag;
+} crystalhd_elem_t;
+
+typedef void (*crystalhd_data_free_cb)(void *context, void *data);
+
+typedef struct _crystalhd_dioq_s {
+	uint32_t		sig;
+	struct crystalhd_adp	*adp;
+	crystalhd_elem_t		*head;
+	crystalhd_elem_t		*tail;
+	uint32_t		count;
+	spinlock_t		lock;
+	wait_queue_head_t	event;
+	crystalhd_data_free_cb	data_rel_cb;
+	void			*cb_context;
+} crystalhd_dioq_t;
+
+typedef void (*hw_comp_callback)(crystalhd_dio_req *,
+				 wait_queue_head_t *event, BC_STATUS sts);
+
+/*========= Decoder (7412) register access routines.================= */
+uint32_t bc_dec_reg_rd(struct crystalhd_adp *, uint32_t);
+void bc_dec_reg_wr(struct crystalhd_adp *, uint32_t, uint32_t);
+
+/*========= Link (70012) register access routines.. =================*/
+uint32_t crystalhd_reg_rd(struct crystalhd_adp *, uint32_t);
+void crystalhd_reg_wr(struct crystalhd_adp *, uint32_t, uint32_t);
+
+/*========= Decoder (7412) memory access routines..=================*/
+BC_STATUS crystalhd_mem_rd(struct crystalhd_adp *, uint32_t, uint32_t, uint32_t *);
+BC_STATUS crystalhd_mem_wr(struct crystalhd_adp *, uint32_t, uint32_t, uint32_t *);
+
+/*==========Link (70012) PCIe Config access routines.================*/
+BC_STATUS crystalhd_pci_cfg_rd(struct crystalhd_adp *, uint32_t, uint32_t, uint32_t *);
+BC_STATUS crystalhd_pci_cfg_wr(struct crystalhd_adp *, uint32_t, uint32_t, uint32_t);
+
+/*========= Linux Kernel Interface routines. ======================= */
+void *bc_kern_dma_alloc(struct crystalhd_adp *, uint32_t, dma_addr_t *);
+void bc_kern_dma_free(struct crystalhd_adp *, uint32_t,
+		      void *, dma_addr_t);
+#define crystalhd_create_event(_ev)	init_waitqueue_head(_ev)
+#define crystalhd_set_event(_ev)		wake_up_interruptible(_ev)
+#define crystalhd_wait_on_event(ev, condition, timeout, ret, nosig)	\
+do {									\
+	DECLARE_WAITQUEUE(entry, current);				\
+	unsigned long end = jiffies + ((timeout * HZ) / 1000);		\
+		ret = 0;						\
+	add_wait_queue(ev, &entry);					\
+	for (;;) {							\
+		__set_current_state(TASK_INTERRUPTIBLE);		\
+		if (condition) {					\
+			break;						\
+		}							\
+		if (time_after_eq(jiffies, end)) {			\
+			ret = -EBUSY;					\
+			break;						\
+		}							\
+		schedule_timeout((HZ / 100 > 1) ? HZ / 100 : 1);	\
+		if (!nosig && signal_pending(current)) {		\
+			ret = -EINTR;					\
+			break;						\
+		}							\
+	}								\
+	__set_current_state(TASK_RUNNING);				\
+	remove_wait_queue(ev, &entry);					\
+} while (0)
+
+/*================ Direct IO mapping routines ==================*/
+extern int crystalhd_create_dio_pool(struct crystalhd_adp *, uint32_t);
+extern void crystalhd_destroy_dio_pool(struct crystalhd_adp *);
+extern BC_STATUS crystalhd_map_dio(struct crystalhd_adp *, void *, uint32_t,
+				   uint32_t, bool, bool, crystalhd_dio_req**);
+
+extern BC_STATUS crystalhd_unmap_dio(struct crystalhd_adp *, crystalhd_dio_req*);
+#define crystalhd_get_sgle_paddr(_dio, _ix) (cpu_to_le64(sg_dma_address(&_dio->sg[_ix])))
+#define crystalhd_get_sgle_len(_dio, _ix) (cpu_to_le32(sg_dma_len(&_dio->sg[_ix])))
+
+/*================ General Purpose Queues ==================*/
+extern BC_STATUS crystalhd_create_dioq(struct crystalhd_adp *, crystalhd_dioq_t **, crystalhd_data_free_cb , void *);
+extern void crystalhd_delete_dioq(struct crystalhd_adp *, crystalhd_dioq_t *);
+extern BC_STATUS crystalhd_dioq_add(crystalhd_dioq_t *ioq, void *data, bool wake, uint32_t tag);
+extern void *crystalhd_dioq_fetch(crystalhd_dioq_t *ioq);
+extern void *crystalhd_dioq_find_and_fetch(crystalhd_dioq_t *ioq, uint32_t tag);
+extern void *crystalhd_dioq_fetch_wait(crystalhd_dioq_t *ioq, uint32_t to_secs, uint32_t *sig_pend);
+
+#define crystalhd_dioq_count(_ioq)	((_ioq) ? _ioq->count : 0)
+
+extern int crystalhd_create_elem_pool(struct crystalhd_adp *, uint32_t);
+extern void crystalhd_delete_elem_pool(struct crystalhd_adp *);
+
+
+/*================ Debug routines/macros .. ================================*/
+extern void crystalhd_show_buffer(uint32_t off, uint8_t *buff, uint32_t dwcount);
+
+enum _chd_log_levels {
+	BCMLOG_ERROR		= 0x80000000,	/* Don't disable this option */
+	BCMLOG_DATA		= 0x40000000,	/* Data, enable by default */
+	BCMLOG_SPINLOCK		= 0x20000000,	/* Spcial case for Spin locks*/
+
+	/* Following are allowed only in debug mode */
+	BCMLOG_INFO		= 0x00000001,	/* Generic informational */
+	BCMLOG_DBG		= 0x00000002,	/* First level Debug info */
+	BCMLOG_SSTEP		= 0x00000004,	/* Stepping information */
+	BCMLOG_ENTER_LEAVE	= 0x00000008,	/* stack tracking */
+};
+
+#define BCMLOG_ENTER				\
+if (g_linklog_level & BCMLOG_ENTER_LEAVE) {	\
+	printk("Entered %s\n", __func__);	\
+}
+
+#define BCMLOG_LEAVE				\
+if (g_linklog_level & BCMLOG_ENTER_LEAVE) {	\
+	printk("Leaving %s\n", __func__);	\
+}
+
+#define BCMLOG(trace, fmt, args...)		\
+if (g_linklog_level & trace) {			\
+	printk(fmt, ##args);			\
+}
+
+#define BCMLOG_ERR(fmt, args...)					\
+do {									\
+	if (g_linklog_level & BCMLOG_ERROR) {				\
+		printk("*ERR*:%s:%d: "fmt, __FILE__, __LINE__, ##args);	\
+	}								\
+} while (0);
+
+#endif
diff --git a/drivers/staging/cx25821/cx25821-audups11.c b/drivers/staging/cx25821/cx25821-audups11.c
index 89c8fe2997fa..46c7f78bb972 100644
--- a/drivers/staging/cx25821/cx25821-audups11.c
+++ b/drivers/staging/cx25821/cx25821-audups11.c
@@ -343,10 +343,11 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 			 struct v4l2_control *ctl)
 {
 	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
+	struct cx25821_dev *dev;
 	int err;
 
 	if (fh) {
+		dev = fh->dev;
 		err = v4l2_prio_check(&dev->prio, &fh->prio);
 		if (0 != err)
 			return err;
diff --git a/drivers/staging/cx25821/cx25821-medusa-video.c b/drivers/staging/cx25821/cx25821-medusa-video.c
index 1eb079b3d429..d6016200d699 100644
--- a/drivers/staging/cx25821/cx25821-medusa-video.c
+++ b/drivers/staging/cx25821/cx25821-medusa-video.c
@@ -795,10 +795,8 @@ int medusa_video_init(struct cx25821_dev *dev)
 	value &= 0xFFFFFFDF;
 	ret_val = cx25821_i2c_write(&dev->i2c_bus[0], MON_A_CTRL, value);
 
-	if (ret_val < 0) {
-		mutex_unlock(&dev->lock);
+	if (ret_val < 0)
 		return -EINVAL;
-	}
 
 	mutex_unlock(&dev->lock);
 
diff --git a/drivers/staging/cx25821/cx25821-video.c b/drivers/staging/cx25821/cx25821-video.c
index c7c14c7698a7..8cd3986d2e5c 100644
--- a/drivers/staging/cx25821/cx25821-video.c
+++ b/drivers/staging/cx25821/cx25821-video.c
@@ -876,7 +876,7 @@ int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i)
 	dprintk(1, "%s()\n", __func__);
 
 	n = i->index;
-	if (n > 2)
+	if (n >= 2)
 		return -EINVAL;
 
 	if (0 == INPUT(n)->type)
@@ -963,10 +963,11 @@ int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f)
 int vidioc_s_frequency(struct file *file, void *priv, struct v4l2_frequency *f)
 {
 	struct cx25821_fh *fh = priv;
-	struct cx25821_dev *dev = fh->dev;
+	struct cx25821_dev *dev;
 	int err;
 
 	if (fh) {
+		dev = fh->dev;
 		err = v4l2_prio_check(&dev->prio, &fh->prio);
 		if (0 != err)
 			return err;
diff --git a/drivers/staging/dream/camera/Kconfig b/drivers/staging/dream/camera/Kconfig
index 0a3e903b3363..bfb6d241d807 100644
--- a/drivers/staging/dream/camera/Kconfig
+++ b/drivers/staging/dream/camera/Kconfig
@@ -15,7 +15,7 @@ config MSM_CAMERA_DEBUG
 
 config MSM_CAMERA_FLASH
 	bool "Qualcomm MSM camera flash support"
-	depends on MSM_CAMERA
+	depends on MSM_CAMERA && BROKEN
 	---help---
 	  Enable support for LED flash for msm camera
 
diff --git a/drivers/staging/dream/camera/Makefile b/drivers/staging/dream/camera/Makefile
index 4429ae5fcafd..db228d7d1136 100644
--- a/drivers/staging/dream/camera/Makefile
+++ b/drivers/staging/dream/camera/Makefile
@@ -1,3 +1,4 @@
+EXTRA_CFLAGS=-Idrivers/staging/dream/include
 obj-$(CONFIG_MT9T013) += mt9t013.o mt9t013_reg.o
 obj-$(CONFIG_MT9D112) += mt9d112.o mt9d112_reg.o
 obj-$(CONFIG_MT9P012) += mt9p012_fox.o mt9p012_reg.o
diff --git a/drivers/staging/dream/camera/msm_camera.c b/drivers/staging/dream/camera/msm_camera.c
index 7d938772eacc..dc7c603625c7 100644
--- a/drivers/staging/dream/camera/msm_camera.c
+++ b/drivers/staging/dream/camera/msm_camera.c
@@ -2,7 +2,7 @@
  * Copyright (C) 2008-2009 QUALCOMM Incorporated.
  */
 
-//FIXME: most allocations need not be GFP_ATOMIC
+/* FIXME: most allocations need not be GFP_ATOMIC */
 /* FIXME: management of mutexes */
 /* FIXME: msm_pmem_region_lookup return values */
 /* FIXME: way too many copy to/from user */
@@ -76,14 +76,14 @@ static LIST_HEAD(msm_sensors);
 		list_del_init(&qcmd->list);			\
 		kfree(qcmd);					\
 	};							\
-} while(0)
+} while (0)
 
 #define MSM_DRAIN_QUEUE(sync, name) do {			\
 	unsigned long flags;					\
 	spin_lock_irqsave(&(sync)->name##_lock, flags);		\
 	MSM_DRAIN_QUEUE_NOSYNC(sync, name);			\
 	spin_unlock_irqrestore(&(sync)->name##_lock, flags);	\
-} while(0)
+} while (0)
 
 static int check_overlap(struct hlist_head *ptype,
 			unsigned long paddr,
@@ -361,7 +361,7 @@ static int __msm_get_frame(struct msm_sync *sync,
 	if (!frame->buffer) {
 		pr_err("%s: cannot get frame, invalid lookup address "
 			"y=%x cbcr=%x offset=%d\n",
-			__FUNCTION__,
+			__func__,
 			pphy->y_phy,
 			pphy->cbcr_phy,
 			frame->y_off);
@@ -455,7 +455,7 @@ static int msm_disable_vfe(struct msm_sync *sync, void __user *arg)
 	return rc;
 }
 
-static struct msm_queue_cmd* __msm_control(struct msm_sync *sync,
+static struct msm_queue_cmd *__msm_control(struct msm_sync *sync,
 		struct msm_control_device_queue *queue,
 		struct msm_queue_cmd *qcmd,
 		int timeout)
@@ -592,8 +592,7 @@ end:
 	 * a result of a successful completion, we are freeing the qcmd that
 	 * we dequeued from queue->ctrl_status_q.
 	 */
-	if (qcmd)
-		kfree(qcmd);
+	kfree(qcmd);
 
 	CDBG("msm_control: end rc = %d\n", rc);
 	return rc;
@@ -670,7 +669,7 @@ static int msm_get_stats(struct msm_sync *sync, void __user *arg)
 					&(stats.fd));
 			if (!stats.buffer) {
 				pr_err("%s: msm_pmem_stats_ptov_lookup error\n",
-					__FUNCTION__);
+					__func__);
 				rc = -EINVAL;
 				goto failure;
 			}
@@ -718,8 +717,7 @@ static int msm_get_stats(struct msm_sync *sync, void __user *arg)
 					buf.fmain.buffer =
 						(unsigned long)region.vaddr;
 					buf.fmain.fd = region.fd;
-				}
-				else {
+				} else {
 					pr_err("%s: pmem lookup failed\n",
 						__func__);
 					rc = -EINVAL;
@@ -796,8 +794,7 @@ static int msm_get_stats(struct msm_sync *sync, void __user *arg)
 	}
 
 failure:
-	if (qcmd)
-		kfree(qcmd);
+	kfree(qcmd);
 
 	CDBG("msm_get_stats: %d\n", rc);
 	return rc;
@@ -838,8 +835,8 @@ static int msm_ctrl_cmd_done(struct msm_control_device *ctrl_pmsm,
 			kfree(qcmd);
 			goto end;
 		}
-	}
-	else ctrlcmd->value = NULL;
+	} else
+		ctrlcmd->value = NULL;
 
 end:
 	CDBG("msm_ctrl_cmd_done: end rc = %d\n", rc);
@@ -869,14 +866,14 @@ static int msm_config_vfe(struct msm_sync *sync, void __user *arg)
 		return -EFAULT;
 	}
 
-	switch(cfgcmd.cmd_type) {
+	switch (cfgcmd.cmd_type) {
 	case CMD_STATS_ENABLE:
 		axi_data.bufnum1 =
 			msm_pmem_region_lookup(&sync->stats,
 					MSM_PMEM_AEC_AWB, &region[0],
 					NUM_WB_EXP_STAT_OUTPUT_BUFFERS);
 		if (!axi_data.bufnum1) {
-			pr_err("%s: pmem region lookup error\n", __FUNCTION__);
+			pr_err("%s: pmem region lookup error\n", __func__);
 			return -EINVAL;
 		}
 		axi_data.region = &region[0];
@@ -888,7 +885,7 @@ static int msm_config_vfe(struct msm_sync *sync, void __user *arg)
 					MSM_PMEM_AF, &region[0],
 					NUM_AF_STAT_OUTPUT_BUFFERS);
 		if (!axi_data.bufnum1) {
-			pr_err("%s: pmem region lookup error\n", __FUNCTION__);
+			pr_err("%s: pmem region lookup error\n", __func__);
 			return -EINVAL;
 		}
 		axi_data.region = &region[0];
@@ -899,7 +896,7 @@ static int msm_config_vfe(struct msm_sync *sync, void __user *arg)
 		break;
 	default:
 		pr_err("%s: unknown command type %d\n",
-			__FUNCTION__, cfgcmd.cmd_type);
+			__func__, cfgcmd.cmd_type);
 		return -EINVAL;
 	}
 
@@ -928,7 +925,7 @@ static int msm_frame_axi_cfg(struct msm_sync *sync,
 			msm_pmem_region_lookup(&sync->frame, pmem_type,
 				&region[0], 8);
 		if (!axi_data.bufnum1) {
-			pr_err("%s: pmem region lookup error\n", __FUNCTION__);
+			pr_err("%s: pmem region lookup error\n", __func__);
 			return -EINVAL;
 		}
 		break;
@@ -939,7 +936,7 @@ static int msm_frame_axi_cfg(struct msm_sync *sync,
 			msm_pmem_region_lookup(&sync->frame, pmem_type,
 				&region[0], 8);
 		if (!axi_data.bufnum2) {
-			pr_err("%s: pmem region lookup error\n", __FUNCTION__);
+			pr_err("%s: pmem region lookup error\n", __func__);
 			return -EINVAL;
 		}
 		break;
@@ -950,7 +947,7 @@ static int msm_frame_axi_cfg(struct msm_sync *sync,
 			msm_pmem_region_lookup(&sync->frame, pmem_type,
 				&region[0], 8);
 		if (!axi_data.bufnum1) {
-			pr_err("%s: pmem region lookup error\n", __FUNCTION__);
+			pr_err("%s: pmem region lookup error\n", __func__);
 			return -EINVAL;
 		}
 
@@ -959,7 +956,7 @@ static int msm_frame_axi_cfg(struct msm_sync *sync,
 			msm_pmem_region_lookup(&sync->frame, pmem_type,
 				&region[axi_data.bufnum1], 8);
 		if (!axi_data.bufnum2) {
-			pr_err("%s: pmem region lookup error\n", __FUNCTION__);
+			pr_err("%s: pmem region lookup error\n", __func__);
 			return -EINVAL;
 		}
 		break;
@@ -970,7 +967,7 @@ static int msm_frame_axi_cfg(struct msm_sync *sync,
 			msm_pmem_region_lookup(&sync->frame, pmem_type,
 				&region[0], 8);
 		if (!axi_data.bufnum2) {
-			pr_err("%s: pmem region lookup error\n", __FUNCTION__);
+			pr_err("%s: pmem region lookup error\n", __func__);
 			return -EINVAL;
 		}
 		break;
@@ -981,7 +978,7 @@ static int msm_frame_axi_cfg(struct msm_sync *sync,
 
 	default:
 		pr_err("%s: unknown command type %d\n",
-			__FUNCTION__, cfgcmd->cmd_type);
+			__func__, cfgcmd->cmd_type);
 		return -EINVAL;
 	}
 
@@ -1047,7 +1044,7 @@ static int __msm_put_frame_buf(struct msm_sync *sync,
 			rc = sync->vfefn.vfe_config(&cfgcmd, &pphy);
 	} else {
 		pr_err("%s: msm_pmem_frame_vtop_lookup failed\n",
-			__FUNCTION__);
+			__func__);
 		rc = -EINVAL;
 	}
 
@@ -1131,7 +1128,7 @@ static int msm_stats_axi_cfg(struct msm_sync *sync,
 		break;
 	default:
 		pr_err("%s: unknown command type %d\n",
-			__FUNCTION__, cfgcmd->cmd_type);
+			__func__, cfgcmd->cmd_type);
 		return -EINVAL;
 	}
 
@@ -1140,7 +1137,7 @@ static int msm_stats_axi_cfg(struct msm_sync *sync,
 			msm_pmem_region_lookup(&sync->stats, pmem_type,
 				&region[0], NUM_WB_EXP_STAT_OUTPUT_BUFFERS);
 		if (!axi_data.bufnum1) {
-			pr_err("%s: pmem region lookup error\n", __FUNCTION__);
+			pr_err("%s: pmem region lookup error\n", __func__);
 			return -EINVAL;
 		}
 		axi_data.region = &region[0];
@@ -1177,7 +1174,7 @@ static int msm_put_stats_buffer(struct msm_sync *sync, void __user *arg)
 			cfgcmd.cmd_type = CMD_STATS_AF_BUF_RELEASE;
 		else {
 			pr_err("%s: invalid buf type %d\n",
-				__FUNCTION__,
+				__func__,
 				buf.type);
 			rc = -EINVAL;
 			goto put_done;
@@ -1223,7 +1220,7 @@ static int msm_axi_config(struct msm_sync *sync, void __user *arg)
 
 	default:
 		pr_err("%s: unknown command type %d\n",
-			__FUNCTION__,
+			__func__,
 			cfgcmd.cmd_type);
 		return -EINVAL;
 	}
@@ -1622,7 +1619,8 @@ static int msm_release_control(struct inode *node, struct file *filep)
 	int rc;
 	struct msm_control_device *ctrl_pmsm = filep->private_data;
 	struct msm_device *pmsm = ctrl_pmsm->pmsm;
-	printk("msm_camera: RELEASE %s\n", filep->f_path.dentry->d_name.name);
+	printk(KERN_INFO "msm_camera: RELEASE %s\n",
+					filep->f_path.dentry->d_name.name);
 	rc = __msm_release(pmsm->sync);
 	if (!rc) {
 		MSM_DRAIN_QUEUE(&ctrl_pmsm->ctrl_q, ctrl_status_q);
@@ -1636,7 +1634,8 @@ static int msm_release_frame(struct inode *node, struct file *filep)
 {
 	int rc;
 	struct msm_device *pmsm = filep->private_data;
-	printk("msm_camera: RELEASE %s\n", filep->f_path.dentry->d_name.name);
+	printk(KERN_INFO "msm_camera: RELEASE %s\n",
+					filep->f_path.dentry->d_name.name);
 	rc = __msm_release(pmsm->sync);
 	if (!rc) {
 		MSM_DRAIN_QUEUE(pmsm->sync, prev_frame_q);
@@ -1720,7 +1719,7 @@ static void msm_vfe_sync(struct msm_vfe_resp *vdata,
 	qcmd->type = qtype;
 
 	if (qtype == MSM_CAM_Q_VFE_MSG) {
-		switch(vdata->type) {
+		switch (vdata->type) {
 		case VFE_MSG_OUTPUT1:
 		case VFE_MSG_OUTPUT2:
 			qcmd_frame =
@@ -1885,8 +1884,10 @@ static int msm_open_control(struct inode *inode, struct file *filep)
 		return -ENOMEM;
 
 	rc = msm_open_common(inode, filep, 0);
-	if (rc < 0)
+	if (rc < 0) {
+		kfree(ctrl_pmsm);
 		return rc;
+	}
 
 	ctrl_pmsm->pmsm = filep->private_data;
 	filep->private_data = ctrl_pmsm;
@@ -1929,7 +1930,7 @@ static int __msm_v4l2_control(struct msm_sync *sync,
 	memcpy(out->value, ctrl->value, ctrl->length);
 
 end:
-	if (rcmd) kfree(rcmd);
+	kfree(rcmd);
 	CDBG("__msm_v4l2_control: end rc = %d\n", rc);
 	return rc;
 }
diff --git a/drivers/staging/dream/camera/msm_vfe7x.c b/drivers/staging/dream/camera/msm_vfe7x.c
index 33ab3ac6ac57..62fd24d632d5 100644
--- a/drivers/staging/dream/camera/msm_vfe7x.c
+++ b/drivers/staging/dream/camera/msm_vfe7x.c
@@ -255,8 +255,7 @@ static int vfe_7x_init(struct msm_vfe_callback *presp,
 
 	extlen = sizeof(struct vfe_frame_extra);
 
-	extdata =
-		kmalloc(sizeof(extlen), GFP_ATOMIC);
+	extdata = kmalloc(extlen, GFP_ATOMIC);
 	if (!extdata) {
 		rc = -ENOMEM;
 		goto init_fail;
diff --git a/drivers/staging/dream/camera/s5k3e2fx.c b/drivers/staging/dream/camera/s5k3e2fx.c
index edba19889b0f..841792e2624b 100644
--- a/drivers/staging/dream/camera/s5k3e2fx.c
+++ b/drivers/staging/dream/camera/s5k3e2fx.c
@@ -743,12 +743,12 @@ static int s5k3e2fx_sensor_open_init(const struct msm_camera_sensor_info *data)
 	}
 
 	/* initialize AF */
-	if ((rc = s5k3e2fx_i2c_write_b(s5k3e2fx_client->addr,
-			0x3146, 0x3A)) < 0)
+	rc = s5k3e2fx_i2c_write_b(s5k3e2fx_client->addr, 0x3146, 0x3A);
+	if (rc < 0)
 		goto init_fail1;
 
-	if ((rc = s5k3e2fx_i2c_write_b(s5k3e2fx_client->addr,
-			0x3130, 0x03)) < 0)
+	rc = s5k3e2fx_i2c_write_b(s5k3e2fx_client->addr, 0x3130, 0x03);
+	if (rc < 0)
 		goto init_fail1;
 
 	goto init_done;
@@ -814,20 +814,20 @@ static uint16_t s5k3e2fx_get_prev_lines_pf(void)
 
 static uint16_t s5k3e2fx_get_prev_pixels_pl(void)
 {
-	return (s5k3e2fx_reg_pat[S_RES_PREVIEW].size_w +
-		s5k3e2fx_reg_pat[S_RES_PREVIEW].blk_p);
+	return s5k3e2fx_reg_pat[S_RES_PREVIEW].size_w +
+		s5k3e2fx_reg_pat[S_RES_PREVIEW].blk_p;
 }
 
 static uint16_t s5k3e2fx_get_pict_lines_pf(void)
 {
-	return (s5k3e2fx_reg_pat[S_RES_CAPTURE].size_h +
-		s5k3e2fx_reg_pat[S_RES_CAPTURE].blk_l);
+	return s5k3e2fx_reg_pat[S_RES_CAPTURE].size_h +
+		s5k3e2fx_reg_pat[S_RES_CAPTURE].blk_l;
 }
 
 static uint16_t s5k3e2fx_get_pict_pixels_pl(void)
 {
-	return (s5k3e2fx_reg_pat[S_RES_CAPTURE].size_w +
-		s5k3e2fx_reg_pat[S_RES_CAPTURE].blk_p);
+	return s5k3e2fx_reg_pat[S_RES_CAPTURE].size_w +
+		s5k3e2fx_reg_pat[S_RES_CAPTURE].blk_p;
 }
 
 static uint32_t s5k3e2fx_get_pict_max_exp_lc(void)
@@ -1093,14 +1093,10 @@ static int32_t s5k3e2fx_move_focus(int direction, int32_t num_steps)
 
 	actual_step = step_direction * (int16_t)num_steps;
 	pos_offset = init_code + s5k3e2fx_ctrl->curr_lens_pos;
-	gain = actual_step * 0x400 / 5;
+	gain = ((actual_step << 10) / 5) >> 10;
 
-	for (i = 0; i <= 4; i++) {
-		if (actual_step >= 0)
-			s_move[i] = ((((i+1)*gain+0x200) - (i*gain+0x200))/0x400);
-		else
-			s_move[i] = ((((i+1)*gain-0x200) - (i*gain-0x200))/0x400);
-	}
+	for (i = 0; i <= 4; i++)
+		s_move[i] = gain;
 
 	/* Ring Damping Code */
 	for (i = 0; i <= 4; i++) {
diff --git a/drivers/staging/dream/include/linux/android_pmem.h b/drivers/staging/dream/include/linux/android_pmem.h
new file mode 100644
index 000000000000..2fc05d7d335b
--- /dev/null
+++ b/drivers/staging/dream/include/linux/android_pmem.h
@@ -0,0 +1,80 @@
+/* drivers/staging/dream/include/linux/android_pmem.h
+ *
+ * Copyright (C) 2007 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _ANDROID_PMEM_H_
+#define _ANDROID_PMEM_H_
+
+#define PMEM_IOCTL_MAGIC 'p'
+#define PMEM_GET_PHYS		_IOW(PMEM_IOCTL_MAGIC, 1, unsigned int)
+#define PMEM_MAP		_IOW(PMEM_IOCTL_MAGIC, 2, unsigned int)
+#define PMEM_GET_SIZE		_IOW(PMEM_IOCTL_MAGIC, 3, unsigned int)
+#define PMEM_UNMAP		_IOW(PMEM_IOCTL_MAGIC, 4, unsigned int)
+/* This ioctl will allocate pmem space, backing the file, it will fail
+ * if the file already has an allocation, pass it the len as the argument
+ * to the ioctl */
+#define PMEM_ALLOCATE		_IOW(PMEM_IOCTL_MAGIC, 5, unsigned int)
+/* This will connect a one pmem file to another, pass the file that is already
+ * backed in memory as the argument to the ioctl
+ */
+#define PMEM_CONNECT		_IOW(PMEM_IOCTL_MAGIC, 6, unsigned int)
+/* Returns the total size of the pmem region it is sent to as a pmem_region
+ * struct (with offset set to 0).
+ */
+#define PMEM_GET_TOTAL_SIZE	_IOW(PMEM_IOCTL_MAGIC, 7, unsigned int)
+/* Revokes gpu registers and resets the gpu.  Pass a pointer to the
+ * start of the mapped gpu regs (the vaddr returned by mmap) as the argument.
+ */
+#define HW3D_REVOKE_GPU		_IOW(PMEM_IOCTL_MAGIC, 8, unsigned int)
+#define HW3D_GRANT_GPU		_IOW(PMEM_IOCTL_MAGIC, 9, unsigned int)
+#define HW3D_WAIT_FOR_INTERRUPT	_IOW(PMEM_IOCTL_MAGIC, 10, unsigned int)
+
+int get_pmem_file(int fd, unsigned long *start, unsigned long *vstart,
+		  unsigned long *end, struct file **filp);
+int get_pmem_user_addr(struct file *file, unsigned long *start,
+		       unsigned long *end);
+void put_pmem_file(struct file* file);
+void flush_pmem_file(struct file *file, unsigned long start, unsigned long len);
+
+struct android_pmem_platform_data
+{
+	const char* name;
+	/* starting physical address of memory region */
+	unsigned long start;
+	/* size of memory region */
+	unsigned long size;
+	/* set to indicate the region should not be managed with an allocator */
+	unsigned no_allocator;
+	/* set to indicate maps of this region should be cached, if a mix of
+	 * cached and uncached is desired, set this and open the device with
+	 * O_SYNC to get an uncached region */
+	unsigned cached;
+	/* The MSM7k has bits to enable a write buffer in the bus controller*/
+	unsigned buffered;
+};
+
+struct pmem_region {
+	unsigned long offset;
+	unsigned long len;
+};
+
+int pmem_setup(struct android_pmem_platform_data *pdata,
+	       long (*ioctl)(struct file *, unsigned int, unsigned long),
+	       int (*release)(struct inode *, struct file *));
+
+int pmem_remap(struct pmem_region *region, struct file *file,
+	       unsigned operation);
+
+#endif //_ANDROID_PPP_H_
+
diff --git a/drivers/staging/dream/include/linux/gpio_event.h b/drivers/staging/dream/include/linux/gpio_event.h
new file mode 100644
index 000000000000..ffc5da392ad7
--- /dev/null
+++ b/drivers/staging/dream/include/linux/gpio_event.h
@@ -0,0 +1,154 @@
+/* drivers/staging/dream/include/linux/gpio_event.h
+ *
+ * Copyright (C) 2007 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _LINUX_GPIO_EVENT_H
+#define _LINUX_GPIO_EVENT_H
+
+#include <linux/input.h>
+
+enum {
+	GPIO_EVENT_FUNC_UNINIT  = 0x0,
+	GPIO_EVENT_FUNC_INIT    = 0x1,
+	GPIO_EVENT_FUNC_SUSPEND = 0x2,
+	GPIO_EVENT_FUNC_RESUME  = 0x3,
+};
+struct gpio_event_info {
+	int (*func)(struct input_dev *input_dev,
+		    struct gpio_event_info *info,
+		    void **data, int func);
+	int (*event)(struct input_dev *input_dev,
+		     struct gpio_event_info *info,
+		     void **data, unsigned int type,
+		     unsigned int code, int value); /* out events */
+};
+
+struct gpio_event_platform_data {
+	const char *name;
+	struct gpio_event_info **info;
+	size_t info_count;
+	int (*power)(const struct gpio_event_platform_data *pdata, bool on);
+};
+
+#define GPIO_EVENT_DEV_NAME "gpio-event"
+
+/* Key matrix */
+
+enum gpio_event_matrix_flags {
+	/* unset: drive active output low, set: drive active output high */
+	GPIOKPF_ACTIVE_HIGH              = 1U << 0,
+	GPIOKPF_DEBOUNCE                 = 1U << 1,
+	GPIOKPF_REMOVE_SOME_PHANTOM_KEYS = 1U << 2,
+	GPIOKPF_REMOVE_PHANTOM_KEYS      = GPIOKPF_REMOVE_SOME_PHANTOM_KEYS |
+					   GPIOKPF_DEBOUNCE,
+	GPIOKPF_DRIVE_INACTIVE           = 1U << 3,
+	GPIOKPF_LEVEL_TRIGGERED_IRQ      = 1U << 4,
+	GPIOKPF_PRINT_UNMAPPED_KEYS      = 1U << 16,
+	GPIOKPF_PRINT_MAPPED_KEYS        = 1U << 17,
+	GPIOKPF_PRINT_PHANTOM_KEYS       = 1U << 18,
+};
+
+extern int gpio_event_matrix_func(struct input_dev *input_dev,
+			struct gpio_event_info *info, void **data, int func);
+struct gpio_event_matrix_info {
+	/* initialize to gpio_event_matrix_func */
+	struct gpio_event_info info;
+	/* size must be ninputs * noutputs */
+	const unsigned short *keymap;
+	unsigned int *input_gpios;
+	unsigned int *output_gpios;
+	unsigned int ninputs;
+	unsigned int noutputs;
+	/* time to wait before reading inputs after driving each output */
+	ktime_t settle_time;
+	/* time to wait before scanning the keypad a second time */
+	ktime_t debounce_delay;
+	ktime_t poll_time;
+	unsigned flags;
+};
+
+/* Directly connected inputs and outputs */
+
+enum gpio_event_direct_flags {
+	GPIOEDF_ACTIVE_HIGH         = 1U << 0,
+/*	GPIOEDF_USE_DOWN_IRQ        = 1U << 1, */
+/*	GPIOEDF_USE_IRQ             = (1U << 2) | GPIOIDF_USE_DOWN_IRQ, */
+	GPIOEDF_PRINT_KEYS          = 1U << 8,
+	GPIOEDF_PRINT_KEY_DEBOUNCE  = 1U << 9,
+};
+
+struct gpio_event_direct_entry {
+	uint32_t gpio:23;
+	uint32_t code:9;
+};
+
+/* inputs */
+extern int gpio_event_input_func(struct input_dev *input_dev,
+			struct gpio_event_info *info, void **data, int func);
+struct gpio_event_input_info {
+	/* initialize to gpio_event_input_func */
+	struct gpio_event_info info;
+	ktime_t debounce_time;
+	ktime_t poll_time;
+	uint16_t flags;
+	uint16_t type;
+	const struct gpio_event_direct_entry *keymap;
+	size_t keymap_size;
+};
+
+/* outputs */
+extern int gpio_event_output_func(struct input_dev *input_dev,
+			struct gpio_event_info *info, void **data, int func);
+extern int gpio_event_output_event(struct input_dev *input_dev,
+			struct gpio_event_info *info, void **data,
+			unsigned int type, unsigned int code, int value);
+struct gpio_event_output_info {
+	/* initialize to gpio_event_output_func and gpio_event_output_event */
+	struct gpio_event_info info;
+	uint16_t flags;
+	uint16_t type;
+	const struct gpio_event_direct_entry *keymap;
+	size_t keymap_size;
+};
+
+
+/* axes */
+
+enum gpio_event_axis_flags {
+	GPIOEAF_PRINT_UNKNOWN_DIRECTION  = 1U << 16,
+	GPIOEAF_PRINT_RAW                = 1U << 17,
+	GPIOEAF_PRINT_EVENT              = 1U << 18,
+};
+
+extern int gpio_event_axis_func(struct input_dev *input_dev,
+			struct gpio_event_info *info, void **data, int func);
+struct gpio_event_axis_info {
+	/* initialize to gpio_event_axis_func */
+	struct gpio_event_info info;
+	uint8_t  count;
+	uint8_t  type; /* EV_REL or EV_ABS */
+	uint16_t code;
+	uint16_t decoded_size;
+	uint16_t (*map)(struct gpio_event_axis_info *info, uint16_t in);
+	uint32_t *gpio;
+	uint32_t flags;
+};
+#define gpio_axis_2bit_gray_map gpio_axis_4bit_gray_map
+#define gpio_axis_3bit_gray_map gpio_axis_4bit_gray_map
+uint16_t gpio_axis_4bit_gray_map(
+			struct gpio_event_axis_info *info, uint16_t in);
+uint16_t gpio_axis_5bit_singletrack_map(
+			struct gpio_event_axis_info *info, uint16_t in);
+
+#endif
diff --git a/drivers/staging/dream/include/linux/msm_adsp.h b/drivers/staging/dream/include/linux/msm_adsp.h
new file mode 100644
index 000000000000..e775f3e94f1d
--- /dev/null
+++ b/drivers/staging/dream/include/linux/msm_adsp.h
@@ -0,0 +1,84 @@
+/* drivers/staging/dream/include/linux/msm_adsp.h
+ *
+ * Copyright (c) QUALCOMM Incorporated
+ * Copyright (C) 2007 Google, Inc.
+ * Author: Iliyan Malchev <ibm@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+#ifndef __LINUX_MSM_ADSP_H
+#define __LINUX_MSM_ADSP_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+#define ADSP_IOCTL_MAGIC 'q'
+
+/* ADSP_IOCTL_WRITE_COMMAND */
+struct adsp_command_t {
+	uint16_t queue;
+	uint32_t len;		/* bytes */
+	uint8_t *data;
+};
+
+/* ADSP_IOCTL_GET_EVENT */
+struct adsp_event_t {
+	uint16_t type;		/* 1 == event (RPC), 0 == message (adsp) */
+	uint32_t timeout_ms;	/* -1 for infinite, 0 for immediate return */
+	uint16_t msg_id;
+	uint16_t flags;		/* 1 == 16--bit event, 0 == 32-bit event */
+	uint32_t len;		/* size in, number of bytes out */
+	uint8_t *data;
+};
+
+#define ADSP_IOCTL_ENABLE \
+	_IOR(ADSP_IOCTL_MAGIC, 1, unsigned)
+
+#define ADSP_IOCTL_DISABLE \
+	_IOR(ADSP_IOCTL_MAGIC, 2, unsigned)
+
+#define ADSP_IOCTL_DISABLE_ACK \
+	_IOR(ADSP_IOCTL_MAGIC, 3, unsigned)
+
+#define ADSP_IOCTL_WRITE_COMMAND \
+	_IOR(ADSP_IOCTL_MAGIC, 4, struct adsp_command_t *)
+
+#define ADSP_IOCTL_GET_EVENT \
+	_IOWR(ADSP_IOCTL_MAGIC, 5, struct adsp_event_data_t *)
+
+#define ADSP_IOCTL_SET_CLKRATE \
+	_IOR(ADSP_IOCTL_MAGIC, 6, unsigned)
+
+#define ADSP_IOCTL_DISABLE_EVENT_RSP \
+	_IOR(ADSP_IOCTL_MAGIC, 10, unsigned)
+
+struct adsp_pmem_info {
+        int fd;
+        void *vaddr;
+};
+
+#define ADSP_IOCTL_REGISTER_PMEM \
+	_IOW(ADSP_IOCTL_MAGIC, 13, unsigned)
+
+#define ADSP_IOCTL_UNREGISTER_PMEM \
+	_IOW(ADSP_IOCTL_MAGIC, 14, unsigned)
+
+/* Cause any further GET_EVENT ioctls to fail (-ENODEV)
+ * until the device is closed and reopened.  Useful for
+ * terminating event dispatch threads
+ */
+#define ADSP_IOCTL_ABORT_EVENT_READ \
+	_IOW(ADSP_IOCTL_MAGIC, 15, unsigned)
+
+#define ADSP_IOCTL_LINK_TASK \
+	_IOW(ADSP_IOCTL_MAGIC, 16, unsigned)
+
+#endif
diff --git a/drivers/staging/dream/include/linux/msm_audio.h b/drivers/staging/dream/include/linux/msm_audio.h
new file mode 100644
index 000000000000..cfbdaa0d98b2
--- /dev/null
+++ b/drivers/staging/dream/include/linux/msm_audio.h
@@ -0,0 +1,115 @@
+/* drivers/staging/dream/include/linux/msm_audio.h
+ *
+ * Copyright (C) 2008 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __LINUX_MSM_AUDIO_H
+#define __LINUX_MSM_AUDIO_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+#include <asm/sizes.h>
+
+/* PCM Audio */
+
+#define AUDIO_IOCTL_MAGIC 'a'
+
+#define AUDIO_START        _IOW(AUDIO_IOCTL_MAGIC, 0, unsigned)
+#define AUDIO_STOP         _IOW(AUDIO_IOCTL_MAGIC, 1, unsigned)
+#define AUDIO_FLUSH        _IOW(AUDIO_IOCTL_MAGIC, 2, unsigned)
+#define AUDIO_GET_CONFIG   _IOR(AUDIO_IOCTL_MAGIC, 3, unsigned)
+#define AUDIO_SET_CONFIG   _IOW(AUDIO_IOCTL_MAGIC, 4, unsigned)
+#define AUDIO_GET_STATS    _IOR(AUDIO_IOCTL_MAGIC, 5, unsigned)
+#define AUDIO_ENABLE_AUDPP _IOW(AUDIO_IOCTL_MAGIC, 6, unsigned)
+#define AUDIO_SET_ADRC     _IOW(AUDIO_IOCTL_MAGIC, 7, unsigned)
+#define AUDIO_SET_EQ       _IOW(AUDIO_IOCTL_MAGIC, 8, unsigned)
+#define AUDIO_SET_RX_IIR   _IOW(AUDIO_IOCTL_MAGIC, 9, unsigned)
+#define AUDIO_SET_VOLUME   _IOW(AUDIO_IOCTL_MAGIC, 10, unsigned)
+#define AUDIO_ENABLE_AUDPRE  _IOW(AUDIO_IOCTL_MAGIC, 11, unsigned)
+#define AUDIO_SET_AGC        _IOW(AUDIO_IOCTL_MAGIC, 12, unsigned)
+#define AUDIO_SET_NS         _IOW(AUDIO_IOCTL_MAGIC, 13, unsigned)
+#define AUDIO_SET_TX_IIR     _IOW(AUDIO_IOCTL_MAGIC, 14, unsigned)
+#define AUDIO_PAUSE	     _IOW(AUDIO_IOCTL_MAGIC, 15, unsigned)
+#define AUDIO_GET_PCM_CONFIG _IOR(AUDIO_IOCTL_MAGIC, 30, unsigned)
+#define AUDIO_SET_PCM_CONFIG _IOW(AUDIO_IOCTL_MAGIC, 31, unsigned)
+#define AUDIO_SWITCH_DEVICE  _IOW(AUDIO_IOCTL_MAGIC, 32, unsigned)
+
+#define	AUDIO_MAX_COMMON_IOCTL_NUM	100
+
+#define	AUDIO_MAX_COMMON_IOCTL_NUM	100
+
+struct msm_audio_config {
+	uint32_t buffer_size;
+	uint32_t buffer_count;
+	uint32_t channel_count;
+	uint32_t sample_rate;
+	uint32_t type;
+	uint32_t unused[3];
+};
+
+struct msm_audio_stats {
+	uint32_t byte_count;
+	uint32_t sample_count;
+	uint32_t unused[2];
+};
+
+/* Audio routing */
+
+#define SND_IOCTL_MAGIC 's'
+
+#define SND_MUTE_UNMUTED 0
+#define SND_MUTE_MUTED   1
+
+struct msm_snd_device_config {
+	uint32_t device;
+	uint32_t ear_mute;
+	uint32_t mic_mute;
+};
+
+#define SND_SET_DEVICE _IOW(SND_IOCTL_MAGIC, 2, struct msm_device_config *)
+
+#define SND_METHOD_VOICE 0
+
+struct msm_snd_volume_config {
+	uint32_t device;
+	uint32_t method;
+	uint32_t volume;
+};
+
+#define SND_SET_VOLUME _IOW(SND_IOCTL_MAGIC, 3, struct msm_snd_volume_config *)
+
+/* Returns the number of SND endpoints supported. */
+
+#define SND_GET_NUM_ENDPOINTS _IOR(SND_IOCTL_MAGIC, 4, unsigned *)
+
+struct msm_snd_endpoint {
+	int id; /* input and output */
+	char name[64]; /* output only */
+};
+
+/* Takes an index between 0 and one less than the number returned by
+ * SND_GET_NUM_ENDPOINTS, and returns the SND index and name of a
+ * SND endpoint.  On input, the .id field contains the number of the
+ * endpoint, and on exit it contains the SND index, while .name contains
+ * the description of the endpoint.
+ */
+
+#define SND_GET_ENDPOINT _IOWR(SND_IOCTL_MAGIC, 5, struct msm_snd_endpoint *)
+
+struct msm_audio_pcm_config {
+	uint32_t pcm_feedback;	/* 0 - disable > 0 - enable */
+	uint32_t buffer_count;	/* Number of buffers to allocate */
+	uint32_t buffer_size;	/* Size of buffer for capturing of
+				   PCM samples */
+};
+#endif
diff --git a/drivers/staging/dream/include/linux/msm_rpcrouter.h b/drivers/staging/dream/include/linux/msm_rpcrouter.h
new file mode 100644
index 000000000000..64845fb481f1
--- /dev/null
+++ b/drivers/staging/dream/include/linux/msm_rpcrouter.h
@@ -0,0 +1,47 @@
+/* drivers/staging/dream/include/linux/msm_rpcrouter.h
+ *
+ * Copyright (c) QUALCOMM Incorporated
+ * Copyright (C) 2007 Google, Inc.
+ * Author: San Mehat <san@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+#ifndef __LINUX_MSM_RPCROUTER_H
+#define __LINUX_MSM_RPCROUTER_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+#define RPC_ROUTER_VERSION_V1 0x00010000
+
+struct rpcrouter_ioctl_server_args {
+	uint32_t prog;
+	uint32_t vers;
+};
+
+#define RPC_ROUTER_IOCTL_MAGIC (0xC1)
+
+#define RPC_ROUTER_IOCTL_GET_VERSION \
+	_IOR(RPC_ROUTER_IOCTL_MAGIC, 0, unsigned int)
+
+#define RPC_ROUTER_IOCTL_GET_MTU \
+	_IOR(RPC_ROUTER_IOCTL_MAGIC, 1, unsigned int)
+
+#define RPC_ROUTER_IOCTL_REGISTER_SERVER \
+	_IOWR(RPC_ROUTER_IOCTL_MAGIC, 2, unsigned int)
+
+#define RPC_ROUTER_IOCTL_UNREGISTER_SERVER \
+	_IOWR(RPC_ROUTER_IOCTL_MAGIC, 3, unsigned int)
+
+#define RPC_ROUTER_IOCTL_GET_MINOR_VERSION \
+	_IOW(RPC_ROUTER_IOCTL_MAGIC, 4, unsigned int)
+
+#endif
diff --git a/drivers/staging/dream/include/linux/wakelock.h b/drivers/staging/dream/include/linux/wakelock.h
new file mode 100644
index 000000000000..93c31a4d1ca7
--- /dev/null
+++ b/drivers/staging/dream/include/linux/wakelock.h
@@ -0,0 +1,91 @@
+/* drivers/staging/dream/include/linux/wakelock.h
+ *
+ * Copyright (C) 2007-2008 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef _LINUX_WAKELOCK_H
+#define _LINUX_WAKELOCK_H
+
+#include <linux/list.h>
+#include <linux/ktime.h>
+
+/* A wake_lock prevents the system from entering suspend or other low power
+ * states when active. If the type is set to WAKE_LOCK_SUSPEND, the wake_lock
+ * prevents a full system suspend. If the type is WAKE_LOCK_IDLE, low power
+ * states that cause large interrupt latencies or that disable a set of
+ * interrupts will not entered from idle until the wake_locks are released.
+ */
+
+enum {
+	WAKE_LOCK_SUSPEND, /* Prevent suspend */
+	WAKE_LOCK_IDLE,    /* Prevent low power idle */
+	WAKE_LOCK_TYPE_COUNT
+};
+
+struct wake_lock {
+#ifdef CONFIG_HAS_WAKELOCK
+	struct list_head    link;
+	int                 flags;
+	const char         *name;
+	unsigned long       expires;
+#ifdef CONFIG_WAKELOCK_STAT
+	struct {
+		int             count;
+		int             expire_count;
+		int             wakeup_count;
+		ktime_t         total_time;
+		ktime_t         prevent_suspend_time;
+		ktime_t         max_time;
+		ktime_t         last_time;
+	} stat;
+#endif
+#endif
+};
+
+#ifdef CONFIG_HAS_WAKELOCK
+
+void wake_lock_init(struct wake_lock *lock, int type, const char *name);
+void wake_lock_destroy(struct wake_lock *lock);
+void wake_lock(struct wake_lock *lock);
+void wake_lock_timeout(struct wake_lock *lock, long timeout);
+void wake_unlock(struct wake_lock *lock);
+
+/* wake_lock_active returns a non-zero value if the wake_lock is currently
+ * locked. If the wake_lock has a timeout, it does not check the timeout
+ * but if the timeout had aready been checked it will return 0.
+ */
+int wake_lock_active(struct wake_lock *lock);
+
+/* has_wake_lock returns 0 if no wake locks of the specified type are active,
+ * and non-zero if one or more wake locks are held. Specifically it returns
+ * -1 if one or more wake locks with no timeout are active or the
+ * number of jiffies until all active wake locks time out.
+ */
+long has_wake_lock(int type);
+
+#else
+
+static inline void wake_lock_init(struct wake_lock *lock, int type,
+					const char *name) {}
+static inline void wake_lock_destroy(struct wake_lock *lock) {}
+static inline void wake_lock(struct wake_lock *lock) {}
+static inline void wake_lock_timeout(struct wake_lock *lock, long timeout) {}
+static inline void wake_unlock(struct wake_lock *lock) {}
+
+static inline int wake_lock_active(struct wake_lock *lock) { return 0; }
+static inline long has_wake_lock(int type) { return 0; }
+
+#endif
+
+#endif
+
diff --git a/drivers/staging/dream/include/mach/camera.h b/drivers/staging/dream/include/mach/camera.h
new file mode 100644
index 000000000000..c20f0423abd4
--- /dev/null
+++ b/drivers/staging/dream/include/mach/camera.h
@@ -0,0 +1,279 @@
+/*
+ * Copyright (C) 2008-2009 QUALCOMM Incorporated.
+ */
+
+#ifndef __ASM__ARCH_CAMERA_H
+#define __ASM__ARCH_CAMERA_H
+
+#include <linux/list.h>
+#include <linux/poll.h>
+#include <linux/cdev.h>
+#include <linux/platform_device.h>
+#include "linux/types.h"
+
+#include <mach/board.h>
+#include <media/msm_camera.h>
+
+#ifdef CONFIG_MSM_CAMERA_DEBUG
+#define CDBG(fmt, args...) printk(KERN_INFO "msm_camera: " fmt, ##args)
+#else
+#define CDBG(fmt, args...) do { } while (0)
+#endif
+
+#define MSM_CAMERA_MSG 0
+#define MSM_CAMERA_EVT 1
+#define NUM_WB_EXP_NEUTRAL_REGION_LINES 4
+#define NUM_WB_EXP_STAT_OUTPUT_BUFFERS  3
+#define NUM_AUTOFOCUS_MULTI_WINDOW_GRIDS 16
+#define NUM_AF_STAT_OUTPUT_BUFFERS      3
+
+enum msm_queue {
+	MSM_CAM_Q_CTRL,     /* control command or control command status */
+	MSM_CAM_Q_VFE_EVT,  /* adsp event */
+	MSM_CAM_Q_VFE_MSG,  /* adsp message */
+	MSM_CAM_Q_V4L2_REQ, /* v4l2 request */
+};
+
+enum vfe_resp_msg {
+	VFE_EVENT,
+	VFE_MSG_GENERAL,
+	VFE_MSG_SNAPSHOT,
+	VFE_MSG_OUTPUT1,
+	VFE_MSG_OUTPUT2,
+	VFE_MSG_STATS_AF,
+	VFE_MSG_STATS_WE,
+};
+
+struct msm_vfe_phy_info {
+	uint32_t sbuf_phy;
+	uint32_t y_phy;
+	uint32_t cbcr_phy;
+};
+
+struct msm_vfe_resp {
+	enum vfe_resp_msg type;
+	struct msm_vfe_evt_msg evt_msg;
+	struct msm_vfe_phy_info phy;
+	void    *extdata;
+	int32_t extlen;
+};
+
+struct msm_vfe_callback {
+	void (*vfe_resp)(struct msm_vfe_resp *,
+		enum msm_queue, void *syncdata);
+	void* (*vfe_alloc)(int, void *syncdata);
+};
+
+struct msm_camvfe_fn {
+	int (*vfe_init)(struct msm_vfe_callback *, struct platform_device *);
+	int (*vfe_enable)(struct camera_enable_cmd *);
+	int (*vfe_config)(struct msm_vfe_cfg_cmd *, void *);
+	int (*vfe_disable)(struct camera_enable_cmd *,
+		struct platform_device *dev);
+	void (*vfe_release)(struct platform_device *);
+};
+
+struct msm_sensor_ctrl {
+	int (*s_init)(const struct msm_camera_sensor_info *);
+	int (*s_release)(void);
+	int (*s_config)(void __user *);
+};
+
+struct msm_sync {
+	/* These two queues are accessed from a process context only. */
+	struct hlist_head frame; /* most-frequently accessed */
+	struct hlist_head stats;
+
+	/* The message queue is used by the control thread to send commands
+	 * to the config thread, and also by the DSP to send messages to the
+	 * config thread.  Thus it is the only queue that is accessed from
+	 * both interrupt and process context.
+	 */
+	spinlock_t msg_event_q_lock;
+	struct list_head msg_event_q;
+	wait_queue_head_t msg_event_wait;
+
+	/* This queue contains preview frames. It is accessed by the DSP (in
+	 * in interrupt context, and by the frame thread.
+	 */
+	spinlock_t prev_frame_q_lock;
+	struct list_head prev_frame_q;
+	wait_queue_head_t prev_frame_wait;
+	int unblock_poll_frame;
+
+	/* This queue contains snapshot frames.  It is accessed by the DSP (in
+	 * interrupt context, and by the control thread.
+	 */
+	spinlock_t pict_frame_q_lock;
+	struct list_head pict_frame_q;
+	wait_queue_head_t pict_frame_wait;
+
+	struct msm_camera_sensor_info *sdata;
+	struct msm_camvfe_fn vfefn;
+	struct msm_sensor_ctrl sctrl;
+	struct platform_device *pdev;
+	uint8_t opencnt;
+	void *cropinfo;
+	int  croplen;
+	unsigned pict_pp;
+
+	const char *apps_id;
+
+	struct mutex lock;
+	struct list_head list;
+};
+
+#define MSM_APPS_ID_V4L2 "msm_v4l2"
+#define MSM_APPS_ID_PROP "msm_qct"
+
+struct msm_device {
+	struct msm_sync *sync; /* most-frequently accessed */
+	struct device *device;
+	struct cdev cdev;
+	/* opened is meaningful only for the config and frame nodes,
+	 * which may be opened only once.
+	 */
+	atomic_t opened;
+};
+
+struct msm_control_device_queue {
+	spinlock_t ctrl_status_q_lock;
+	struct list_head ctrl_status_q;
+	wait_queue_head_t ctrl_status_wait;
+};
+
+struct msm_control_device {
+	struct msm_device *pmsm;
+
+	/* This queue used by the config thread to send responses back to the
+	 * control thread.  It is accessed only from a process context.
+	 */
+	struct msm_control_device_queue ctrl_q;
+};
+
+/* this structure is used in kernel */
+struct msm_queue_cmd {
+	struct list_head list;
+	enum msm_queue type;
+	void *command;
+};
+
+struct register_address_value_pair {
+	uint16_t register_address;
+	uint16_t register_value;
+};
+
+struct msm_pmem_region {
+	struct hlist_node list;
+	int type;
+	void *vaddr;
+	unsigned long paddr;
+	unsigned long len;
+	struct file *file;
+	uint32_t y_off;
+	uint32_t cbcr_off;
+	int fd;
+	uint8_t  active;
+};
+
+struct axidata {
+	uint32_t bufnum1;
+	uint32_t bufnum2;
+	struct msm_pmem_region *region;
+};
+
+#ifdef CONFIG_MSM_CAMERA_FLASH
+int msm_camera_flash_set_led_state(unsigned led_state);
+#else
+static inline int msm_camera_flash_set_led_state(unsigned led_state)
+{
+	return -ENOTSUPP;
+}
+#endif
+
+/* Below functions are added for V4L2 kernel APIs */
+struct msm_v4l2_driver {
+	struct msm_sync *sync;
+	int (*open)(struct msm_sync *, const char *apps_id);
+	int (*release)(struct msm_sync *);
+	int (*ctrl)(struct msm_sync *, struct msm_ctrl_cmd *);
+	int (*reg_pmem)(struct msm_sync *, struct msm_pmem_info *);
+	int (*get_frame) (struct msm_sync *, struct msm_frame *);
+	int (*put_frame) (struct msm_sync *, struct msm_frame *);
+	int (*get_pict) (struct msm_sync *, struct msm_ctrl_cmd *);
+	unsigned int (*drv_poll) (struct msm_sync *, struct file *,
+				struct poll_table_struct *);
+};
+
+int msm_v4l2_register(struct msm_v4l2_driver *);
+int msm_v4l2_unregister(struct msm_v4l2_driver *);
+
+void msm_camvfe_init(void);
+int msm_camvfe_check(void *);
+void msm_camvfe_fn_init(struct msm_camvfe_fn *, void *);
+int msm_camera_drv_start(struct platform_device *dev,
+		int (*sensor_probe)(const struct msm_camera_sensor_info *,
+					struct msm_sensor_ctrl *));
+
+enum msm_camio_clk_type {
+	CAMIO_VFE_MDC_CLK,
+	CAMIO_MDC_CLK,
+	CAMIO_VFE_CLK,
+	CAMIO_VFE_AXI_CLK,
+
+	CAMIO_MAX_CLK
+};
+
+enum msm_camio_clk_src_type {
+	MSM_CAMIO_CLK_SRC_INTERNAL,
+	MSM_CAMIO_CLK_SRC_EXTERNAL,
+	MSM_CAMIO_CLK_SRC_MAX
+};
+
+enum msm_s_test_mode {
+	S_TEST_OFF,
+	S_TEST_1,
+	S_TEST_2,
+	S_TEST_3
+};
+
+enum msm_s_resolution {
+	S_QTR_SIZE,
+	S_FULL_SIZE,
+	S_INVALID_SIZE
+};
+
+enum msm_s_reg_update {
+	/* Sensor egisters that need to be updated during initialization */
+	S_REG_INIT,
+	/* Sensor egisters that needs periodic I2C writes */
+	S_UPDATE_PERIODIC,
+	/* All the sensor Registers will be updated */
+	S_UPDATE_ALL,
+	/* Not valid update */
+	S_UPDATE_INVALID
+};
+
+enum msm_s_setting {
+	S_RES_PREVIEW,
+	S_RES_CAPTURE
+};
+
+int msm_camio_enable(struct platform_device *dev);
+
+int  msm_camio_clk_enable(enum msm_camio_clk_type clk);
+int  msm_camio_clk_disable(enum msm_camio_clk_type clk);
+int  msm_camio_clk_config(uint32_t freq);
+void msm_camio_clk_rate_set(int rate);
+void msm_camio_clk_axi_rate_set(int rate);
+
+void msm_camio_camif_pad_reg_reset(void);
+void msm_camio_camif_pad_reg_reset_2(void);
+
+void msm_camio_vfe_blk_reset(void);
+
+void msm_camio_clk_sel(enum msm_camio_clk_src_type);
+void msm_camio_disable(struct platform_device *);
+int msm_camio_probe_on(struct platform_device *);
+int msm_camio_probe_off(struct platform_device *);
+#endif
diff --git a/drivers/staging/dream/include/mach/msm_adsp.h b/drivers/staging/dream/include/mach/msm_adsp.h
new file mode 100644
index 000000000000..a081683328a3
--- /dev/null
+++ b/drivers/staging/dream/include/mach/msm_adsp.h
@@ -0,0 +1,112 @@
+/* include/asm-arm/arch-msm/msm_adsp.h
+ *
+ * Copyright (C) 2008 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __ASM__ARCH_MSM_ADSP_H
+#define __ASM__ARCH_MSM_ADSP_H
+
+struct msm_adsp_module;
+
+struct msm_adsp_ops {
+	/* event is called from interrupt context when a message
+	 * arrives from the DSP.  Use the provided function pointer
+	 * to copy the message into a local buffer.  Do NOT call
+	 * it multiple times.
+	 */
+	void (*event)(void *driver_data, unsigned id, size_t len,
+		      void (*getevent)(void *ptr, size_t len));
+};
+
+/* Get, Put, Enable, and Disable are synchronous and must only
+ * be called from thread context.  Enable and Disable will block
+ * up to one second in the event of a fatal DSP error but are
+ * much faster otherwise.
+ */
+int msm_adsp_get(const char *name, struct msm_adsp_module **module,
+		 struct msm_adsp_ops *ops, void *driver_data);
+void msm_adsp_put(struct msm_adsp_module *module);
+int msm_adsp_enable(struct msm_adsp_module *module);
+int msm_adsp_disable(struct msm_adsp_module *module);
+int adsp_set_clkrate(struct msm_adsp_module *module, unsigned long clk_rate);
+
+/* Write is safe to call from interrupt context.
+ */
+int msm_adsp_write(struct msm_adsp_module *module,
+		   unsigned queue_id,
+		   void *data, size_t len);
+
+#if CONFIG_MSM_AMSS_VERSION >= 6350
+/* Command Queue Indexes */
+#define QDSP_lpmCommandQueue              0
+#define QDSP_mpuAfeQueue                  1
+#define QDSP_mpuGraphicsCmdQueue          2
+#define QDSP_mpuModmathCmdQueue           3
+#define QDSP_mpuVDecCmdQueue              4
+#define QDSP_mpuVDecPktQueue              5
+#define QDSP_mpuVEncCmdQueue              6
+#define QDSP_rxMpuDecCmdQueue             7
+#define QDSP_rxMpuDecPktQueue             8
+#define QDSP_txMpuEncQueue                9
+#define QDSP_uPAudPPCmd1Queue             10
+#define QDSP_uPAudPPCmd2Queue             11
+#define QDSP_uPAudPPCmd3Queue             12
+#define QDSP_uPAudPlay0BitStreamCtrlQueue 13
+#define QDSP_uPAudPlay1BitStreamCtrlQueue 14
+#define QDSP_uPAudPlay2BitStreamCtrlQueue 15
+#define QDSP_uPAudPlay3BitStreamCtrlQueue 16
+#define QDSP_uPAudPlay4BitStreamCtrlQueue 17
+#define QDSP_uPAudPreProcCmdQueue         18
+#define QDSP_uPAudRecBitStreamQueue       19
+#define QDSP_uPAudRecCmdQueue             20
+#define QDSP_uPDiagQueue                  21
+#define QDSP_uPJpegActionCmdQueue         22
+#define QDSP_uPJpegCfgCmdQueue            23
+#define QDSP_uPVocProcQueue               24
+#define QDSP_vfeCommandQueue              25
+#define QDSP_vfeCommandScaleQueue         26
+#define QDSP_vfeCommandTableQueue         27
+#define QDSP_MAX_NUM_QUEUES               28
+#else
+/* Command Queue Indexes */
+#define QDSP_lpmCommandQueue              0
+#define QDSP_mpuAfeQueue                  1
+#define QDSP_mpuGraphicsCmdQueue          2
+#define QDSP_mpuModmathCmdQueue           3
+#define QDSP_mpuVDecCmdQueue              4
+#define QDSP_mpuVDecPktQueue              5
+#define QDSP_mpuVEncCmdQueue              6
+#define QDSP_rxMpuDecCmdQueue             7
+#define QDSP_rxMpuDecPktQueue             8
+#define QDSP_txMpuEncQueue                9
+#define QDSP_uPAudPPCmd1Queue             10
+#define QDSP_uPAudPPCmd2Queue             11
+#define QDSP_uPAudPPCmd3Queue             12
+#define QDSP_uPAudPlay0BitStreamCtrlQueue 13
+#define QDSP_uPAudPlay1BitStreamCtrlQueue 14
+#define QDSP_uPAudPlay2BitStreamCtrlQueue 15
+#define QDSP_uPAudPlay3BitStreamCtrlQueue 16
+#define QDSP_uPAudPlay4BitStreamCtrlQueue 17
+#define QDSP_uPAudPreProcCmdQueue         18
+#define QDSP_uPAudRecBitStreamQueue       19
+#define QDSP_uPAudRecCmdQueue             20
+#define QDSP_uPJpegActionCmdQueue         21
+#define QDSP_uPJpegCfgCmdQueue            22
+#define QDSP_uPVocProcQueue               23
+#define QDSP_vfeCommandQueue              24
+#define QDSP_vfeCommandScaleQueue         25
+#define QDSP_vfeCommandTableQueue         26
+#define QDSP_QUEUE_MAX                    26
+#endif
+
+#endif
diff --git a/drivers/staging/dream/include/mach/msm_rpcrouter.h b/drivers/staging/dream/include/mach/msm_rpcrouter.h
new file mode 100644
index 000000000000..9724ece1c97c
--- /dev/null
+++ b/drivers/staging/dream/include/mach/msm_rpcrouter.h
@@ -0,0 +1,179 @@
+/** include/asm-arm/arch-msm/msm_rpcrouter.h
+ *
+ * Copyright (C) 2007 Google, Inc.
+ * Copyright (c) 2007-2009 QUALCOMM Incorporated
+ * Author: San Mehat <san@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __ASM__ARCH_MSM_RPCROUTER_H
+#define __ASM__ARCH_MSM_RPCROUTER_H
+
+#include <linux/types.h>
+#include <linux/list.h>
+#include <linux/platform_device.h>
+
+#if CONFIG_MSM_AMSS_VERSION >= 6350
+/* RPC API version structure
+ * Version bit 31 : 1->hashkey versioning,
+ *                  0->major-minor (backward compatible) versioning
+ * hashkey versioning:
+ *   Version bits 31-0 hashkey
+ * major-minor (backward compatible) versioning
+ *   Version bits 30-28 reserved (no match)
+ *   Version bits 27-16 major (must match)
+ *   Version bits 15-0  minor (greater or equal)
+ */
+#define RPC_VERSION_MODE_MASK  0x80000000
+#define RPC_VERSION_MAJOR_MASK 0x0fff0000
+#define RPC_VERSION_MAJOR_OFFSET 16
+#define RPC_VERSION_MINOR_MASK 0x0000ffff
+
+#define MSM_RPC_VERS(major, minor)					\
+	((uint32_t)((((major) << RPC_VERSION_MAJOR_OFFSET) &		\
+		RPC_VERSION_MAJOR_MASK) |				\
+	((minor) & RPC_VERSION_MINOR_MASK)))
+#define MSM_RPC_GET_MAJOR(vers) (((vers) & RPC_VERSION_MAJOR_MASK) >>	\
+					RPC_VERSION_MAJOR_OFFSET)
+#define MSM_RPC_GET_MINOR(vers) ((vers) & RPC_VERSION_MINOR_MASK)
+#else
+#define MSM_RPC_VERS(major, minor) (major)
+#define MSM_RPC_GET_MAJOR(vers) (vers)
+#define MSM_RPC_GET_MINOR(vers) 0
+#endif
+
+struct msm_rpc_endpoint;
+
+struct rpcsvr_platform_device
+{
+	struct platform_device base;
+	uint32_t prog;
+	uint32_t vers;
+};
+
+#define RPC_DATA_IN	0
+/*
+ * Structures for sending / receiving direct RPC requests
+ * XXX: Any cred/verif lengths > 0 not supported
+ */
+
+struct rpc_request_hdr
+{
+	uint32_t xid;
+	uint32_t type;	/* 0 */
+	uint32_t rpc_vers; /* 2 */
+	uint32_t prog;
+	uint32_t vers;
+	uint32_t procedure;
+	uint32_t cred_flavor;
+	uint32_t cred_length;
+	uint32_t verf_flavor;
+	uint32_t verf_length;
+};
+
+typedef struct
+{
+	uint32_t low;
+	uint32_t high;
+} rpc_reply_progmismatch_data;
+
+typedef struct
+{
+} rpc_denied_reply_hdr;
+
+typedef struct
+{
+	uint32_t verf_flavor;
+	uint32_t verf_length;
+	uint32_t accept_stat;
+#define RPC_ACCEPTSTAT_SUCCESS 0
+#define RPC_ACCEPTSTAT_PROG_UNAVAIL 1
+#define RPC_ACCEPTSTAT_PROG_MISMATCH 2
+#define RPC_ACCEPTSTAT_PROC_UNAVAIL 3
+#define RPC_ACCEPTSTAT_GARBAGE_ARGS 4
+#define RPC_ACCEPTSTAT_SYSTEM_ERR 5
+#define RPC_ACCEPTSTAT_PROG_LOCKED 6
+	/*
+	 * Following data is dependant on accept_stat
+	 * If ACCEPTSTAT == PROG_MISMATCH then there is a
+	 * 'rpc_reply_progmismatch_data' structure following the header.
+	 * Otherwise the data is procedure specific
+	 */
+} rpc_accepted_reply_hdr;
+
+struct rpc_reply_hdr
+{
+	uint32_t xid;
+	uint32_t type;
+	uint32_t reply_stat;
+#define RPCMSG_REPLYSTAT_ACCEPTED 0
+#define RPCMSG_REPLYSTAT_DENIED 1
+	union {
+		rpc_accepted_reply_hdr acc_hdr;
+		rpc_denied_reply_hdr dny_hdr;
+	} data;
+};
+
+/* flags for msm_rpc_connect() */
+#define MSM_RPC_UNINTERRUPTIBLE 0x0001
+
+/* use IS_ERR() to check for failure */
+struct msm_rpc_endpoint *msm_rpc_open(void);
+/* Connect with the specified server version */
+struct msm_rpc_endpoint *msm_rpc_connect(uint32_t prog, uint32_t vers, unsigned flags);
+uint32_t msm_rpc_get_vers(struct msm_rpc_endpoint *ept);
+/* check if server version can handle client requested version */
+int msm_rpc_is_compatible_version(uint32_t server_version,
+				  uint32_t client_version);
+
+int msm_rpc_close(struct msm_rpc_endpoint *ept);
+int msm_rpc_write(struct msm_rpc_endpoint *ept,
+		  void *data, int len);
+int msm_rpc_read(struct msm_rpc_endpoint *ept,
+		 void **data, unsigned len, long timeout);
+void msm_rpc_setup_req(struct rpc_request_hdr *hdr,
+		       uint32_t prog, uint32_t vers, uint32_t proc);
+int msm_rpc_register_server(struct msm_rpc_endpoint *ept,
+			    uint32_t prog, uint32_t vers);
+int msm_rpc_unregister_server(struct msm_rpc_endpoint *ept,
+			      uint32_t prog, uint32_t vers);
+
+/* simple blocking rpc call
+ *
+ * request is mandatory and must have a rpc_request_hdr
+ * at the start.  The header will be filled out for you.
+ *
+ * reply provides a buffer for replies of reply_max_size
+ */
+int msm_rpc_call_reply(struct msm_rpc_endpoint *ept, uint32_t proc,
+		       void *request, int request_size,
+		       void *reply, int reply_max_size,
+		       long timeout);
+int msm_rpc_call(struct msm_rpc_endpoint *ept, uint32_t proc,
+		 void *request, int request_size,
+		 long timeout);
+
+struct msm_rpc_server
+{
+	struct list_head list;
+	uint32_t flags;
+
+	uint32_t prog;
+	uint32_t vers;
+
+	int (*rpc_call)(struct msm_rpc_server *server,
+			struct rpc_request_hdr *req, unsigned len);
+};
+
+int msm_rpc_create_server(struct msm_rpc_server *server);
+
+#endif
diff --git a/drivers/staging/dream/include/mach/msm_smd.h b/drivers/staging/dream/include/mach/msm_smd.h
new file mode 100644
index 000000000000..bdf7731ab680
--- /dev/null
+++ b/drivers/staging/dream/include/mach/msm_smd.h
@@ -0,0 +1,107 @@
+/* linux/include/asm-arm/arch-msm/msm_smd.h
+ *
+ * Copyright (C) 2007 Google, Inc.
+ * Author: Brian Swetland <swetland@google.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __ASM_ARCH_MSM_SMD_H
+#define __ASM_ARCH_MSM_SMD_H
+
+typedef struct smd_channel smd_channel_t;
+
+/* warning: notify() may be called before open returns */
+int smd_open(const char *name, smd_channel_t **ch, void *priv,
+	     void (*notify)(void *priv, unsigned event));
+
+#define SMD_EVENT_DATA 1
+#define SMD_EVENT_OPEN 2
+#define SMD_EVENT_CLOSE 3
+
+int smd_close(smd_channel_t *ch);
+
+/* passing a null pointer for data reads and discards */
+int smd_read(smd_channel_t *ch, void *data, int len);
+
+/* Write to stream channels may do a partial write and return
+** the length actually written.
+** Write to packet channels will never do a partial write --
+** it will return the requested length written or an error.
+*/
+int smd_write(smd_channel_t *ch, const void *data, int len);
+
+int smd_write_avail(smd_channel_t *ch);
+int smd_read_avail(smd_channel_t *ch);
+
+/* Returns the total size of the current packet being read.
+** Returns 0 if no packets available or a stream channel.
+*/
+int smd_cur_packet_size(smd_channel_t *ch);
+
+/* used for tty unthrottling and the like -- causes the notify()
+** callback to be called from the same lock context as is used
+** when it is called from channel updates
+*/
+void smd_kick(smd_channel_t *ch);
+
+
+#if 0
+/* these are interruptable waits which will block you until the specified
+** number of bytes are readable or writable.
+*/
+int smd_wait_until_readable(smd_channel_t *ch, int bytes);
+int smd_wait_until_writable(smd_channel_t *ch, int bytes);
+#endif
+
+typedef enum
+{
+	SMD_PORT_DS = 0,
+	SMD_PORT_DIAG,
+	SMD_PORT_RPC_CALL,
+	SMD_PORT_RPC_REPLY,
+	SMD_PORT_BT,
+	SMD_PORT_CONTROL,
+	SMD_PORT_MEMCPY_SPARE1,
+	SMD_PORT_DATA1,
+	SMD_PORT_DATA2,
+	SMD_PORT_DATA3,
+	SMD_PORT_DATA4,
+	SMD_PORT_DATA5,
+	SMD_PORT_DATA6,
+	SMD_PORT_DATA7,
+	SMD_PORT_DATA8,
+	SMD_PORT_DATA9,
+	SMD_PORT_DATA10,
+	SMD_PORT_DATA11,
+	SMD_PORT_DATA12,
+	SMD_PORT_DATA13,
+	SMD_PORT_DATA14,
+	SMD_PORT_DATA15,
+	SMD_PORT_DATA16,
+	SMD_PORT_DATA17,
+	SMD_PORT_DATA18,
+	SMD_PORT_DATA19,
+	SMD_PORT_DATA20,
+	SMD_PORT_GPS_NMEA,
+	SMD_PORT_BRIDGE_1,
+	SMD_PORT_BRIDGE_2,
+	SMD_PORT_BRIDGE_3,
+	SMD_PORT_BRIDGE_4,
+	SMD_PORT_BRIDGE_5,
+	SMD_PORT_LOOPBACK,
+	SMD_PORT_CS_APPS_MODEM,
+	SMD_PORT_CS_APPS_DSP,
+	SMD_PORT_CS_MODEM_DSP,
+	SMD_NUM_PORTS,
+} smd_port_id_type;
+
+#endif
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5audplaycmdi.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5audplaycmdi.h
new file mode 100644
index 000000000000..0b6a31259bb0
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5audplaycmdi.h
@@ -0,0 +1,94 @@
+#ifndef QDSP5AUDPLAYCMDI_H
+#define QDSP5AUDPLAYCMDI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+       Q D S P 5  A U D I O   P L A Y  T A S K   C O M M A N D S
+
+GENERAL DESCRIPTION
+  Command Interface for AUDPLAYTASK on QDSP5
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+
+  audplay_cmd_dec_data_avail
+    Send buffer to AUDPLAY task
+
+
+Copyright(c) 1992 - 2009 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+$Header: //source/qcom/qct/multimedia2/Audio/drivers/QDSP5Driver/QDSP5Interface/main/latest/qdsp5audplaycmdi.h#2 $
+
+===========================================================================*/
+
+#define AUDPLAY_CMD_BITSTREAM_DATA_AVAIL		0x0000
+#define AUDPLAY_CMD_BITSTREAM_DATA_AVAIL_LEN	\
+	sizeof(audplay_cmd_bitstream_data_avail)
+
+/* Type specification of dec_data_avail message sent to AUDPLAYTASK
+*/
+typedef struct {
+	/*command ID*/
+	unsigned int cmd_id;
+
+	/* Decoder ID for which message is being sent */
+	unsigned int decoder_id;
+
+	/* Start address of data in ARM global memory */
+	unsigned int buf_ptr;
+
+	/* Number of 16-bit words of bit-stream data contiguously available at the
+	 * above-mentioned address. */
+	unsigned int buf_size;
+
+	/* Partition number used by audPlayTask to communicate with DSP's RTOS
+	 * kernel */
+	unsigned int partition_number;
+} __attribute__((packed)) audplay_cmd_bitstream_data_avail;
+
+#define AUDPLAY_CMD_HPCM_BUF_CFG 0x0003
+#define AUDPLAY_CMD_HPCM_BUF_CFG_LEN \
+	sizeof(struct audplay_cmd_hpcm_buf_cfg)
+
+struct audplay_cmd_hpcm_buf_cfg {
+	unsigned int cmd_id;
+	unsigned int hostpcm_config;
+	unsigned int feedback_frequency;
+	unsigned int byte_swap;
+	unsigned int max_buffers;
+	unsigned int partition_number;
+} __attribute__((packed));
+
+#define AUDPLAY_CMD_BUFFER_REFRESH 0x0004
+#define AUDPLAY_CMD_BUFFER_REFRESH_LEN \
+	sizeof(struct audplay_cmd_buffer_update)
+
+struct audplay_cmd_buffer_refresh {
+	unsigned int cmd_id;
+	unsigned int num_buffers;
+	unsigned int buf_read_count;
+	unsigned int buf0_address;
+	unsigned int buf0_length;
+	unsigned int buf1_address;
+	unsigned int buf1_length;
+} __attribute__((packed));
+#endif /* QDSP5AUDPLAYCMD_H */
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5audplaymsg.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5audplaymsg.h
new file mode 100644
index 000000000000..c63034b8bf13
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5audplaymsg.h
@@ -0,0 +1,70 @@
+#ifndef QDSP5AUDPLAYMSG_H
+#define QDSP5AUDPLAYMSG_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+       Q D S P 5  A U D I O   P L A Y  T A S K   M S G
+
+GENERAL DESCRIPTION
+  Message sent by AUDPLAY task
+
+REFERENCES
+  None
+
+
+Copyright(c) 1992 - 2009 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+$Header: //source/qcom/qct/multimedia2/Audio/drivers/QDSP5Driver/QDSP5Interface/main/latest/qdsp5audplaymsg.h#3 $
+
+===========================================================================*/
+#define AUDPLAY_MSG_DEC_NEEDS_DATA		0x0001
+#define AUDPLAY_MSG_DEC_NEEDS_DATA_MSG_LEN	\
+	sizeof(audplay_msg_dec_needs_data)
+
+typedef struct{
+	/* reserved*/
+	unsigned int dec_id;
+
+	/* The read pointer offset of external memory until which the
+	 * bitstream has been DMAed in. */
+	unsigned int adecDataReadPtrOffset;
+
+	/* The buffer size of external memory. */
+	unsigned int adecDataBufSize;
+
+	unsigned int bitstream_free_len;
+	unsigned int bitstream_write_ptr;
+	unsigned int bitstarem_buf_start;
+	unsigned int bitstream_buf_len;
+} __attribute__((packed)) audplay_msg_dec_needs_data;
+
+#define AUDPLAY_MSG_BUFFER_UPDATE 0x0004
+#define AUDPLAY_MSG_BUFFER_UPDATE_LEN \
+	sizeof(struct audplay_msg_buffer_update)
+
+struct audplay_msg_buffer_update {
+	unsigned int buffer_write_count;
+	unsigned int num_of_buffer;
+	unsigned int buf0_address;
+	unsigned int buf0_length;
+	unsigned int buf1_address;
+	unsigned int buf1_length;
+} __attribute__((packed));
+#endif /* QDSP5AUDPLAYMSG_H */
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5audppcmdi.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5audppcmdi.h
new file mode 100644
index 000000000000..8bee9c62980b
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5audppcmdi.h
@@ -0,0 +1,914 @@
+#ifndef QDSP5AUDPPCMDI_H
+#define QDSP5AUDPPCMDI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+    A U D I O   P O S T   P R O C E S S I N G  I N T E R N A L  C O M M A N D S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of commands
+  that are accepted by AUDPP Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2008 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+$Header: //source/qcom/qct/multimedia2/Audio/drivers/QDSP5Driver/QDSP5Interface/main/latest/qdsp5audppcmdi.h#2 $
+
+===========================================================================*/
+
+/*
+ * ARM to AUDPPTASK Commands
+ *
+ * ARM uses three command queues to communicate with AUDPPTASK
+ * 1)uPAudPPCmd1Queue : Used for more frequent and shorter length commands
+ * 	Location : MEMA
+ * 	Buffer Size : 6 words
+ * 	No of buffers in a queue : 20 for gaming audio and 5 for other images
+ * 2)uPAudPPCmd2Queue : Used for commands which are not much lengthier
+ * 	Location : MEMA
+ * 	Buffer Size : 23
+ * 	No of buffers in a queue : 2
+ * 3)uPAudOOCmd3Queue : Used for lengthier and more frequent commands
+ * 	Location : MEMA
+ * 	Buffer Size : 145
+ * 	No of buffers in a queue : 3
+ */
+
+/*
+ * Commands Related to uPAudPPCmd1Queue
+ */
+
+/*
+ * Command Structure to enable or disable the active decoders
+ */
+
+#define AUDPP_CMD_CFG_DEC_TYPE 		0x0001
+#define AUDPP_CMD_CFG_DEC_TYPE_LEN 	sizeof(audpp_cmd_cfg_dec_type)
+
+/* Enable the decoder */
+#define AUDPP_CMD_DEC_TYPE_M           	0x000F
+
+#define AUDPP_CMD_ENA_DEC_V         	0x4000
+#define AUDPP_CMD_DIS_DEC_V        	0x0000
+#define AUDPP_CMD_DEC_STATE_M          	0x4000
+
+#define AUDPP_CMD_UPDATDE_CFG_DEC	0x8000
+#define AUDPP_CMD_DONT_UPDATE_CFG_DEC	0x0000
+
+
+/* Type specification of cmd_cfg_dec */
+
+typedef struct {
+	unsigned short cmd_id;
+	unsigned short dec0_cfg;
+	unsigned short dec1_cfg;
+	unsigned short dec2_cfg;
+	unsigned short dec3_cfg;
+	unsigned short dec4_cfg;
+} __attribute__((packed)) audpp_cmd_cfg_dec_type;
+
+/*
+ * Command Structure to Pause , Resume and flushes the selected audio decoders
+ */
+
+#define AUDPP_CMD_DEC_CTRL		0x0002
+#define AUDPP_CMD_DEC_CTRL_LEN		sizeof(audpp_cmd_dec_ctrl)
+
+/* Decoder control commands for pause, resume and flush */
+#define AUDPP_CMD_FLUSH_V         		0x2000
+
+#define AUDPP_CMD_PAUSE_V		        0x4000
+#define AUDPP_CMD_RESUME_V		        0x0000
+
+#define AUDPP_CMD_UPDATE_V		        0x8000
+#define AUDPP_CMD_IGNORE_V		        0x0000
+
+
+/* Type Spec for decoder control command*/
+
+typedef struct {
+	unsigned short cmd_id;
+	unsigned short dec0_ctrl;
+	unsigned short dec1_ctrl;
+	unsigned short dec2_ctrl;
+	unsigned short dec3_ctrl;
+	unsigned short dec4_ctrl;
+} __attribute__((packed)) audpp_cmd_dec_ctrl;
+
+/*
+ * Command Structure to Configure the AVSync FeedBack Mechanism
+ */
+
+#define AUDPP_CMD_AVSYNC	0x0003
+#define AUDPP_CMD_AVSYNC_LEN	sizeof(audpp_cmd_avsync)
+
+typedef struct {
+	unsigned short cmd_id;
+	unsigned short object_number;
+	unsigned short interrupt_interval_lsw;
+	unsigned short interrupt_interval_msw;
+} __attribute__((packed)) audpp_cmd_avsync;
+
+/*
+ * Command Structure to enable or disable(sleep) the   AUDPPTASK
+ */
+
+#define AUDPP_CMD_CFG	0x0004
+#define AUDPP_CMD_CFG_LEN	sizeof(audpp_cmd_cfg)
+
+#define AUDPP_CMD_CFG_SLEEP   				0x0000
+#define AUDPP_CMD_CFG_ENABLE  				0xFFFF
+
+typedef struct {
+	unsigned short cmd_id;
+	unsigned short cfg;
+} __attribute__((packed)) audpp_cmd_cfg;
+
+/*
+ * Command Structure to Inject or drop the specified no of samples
+ */
+
+#define AUDPP_CMD_ADJUST_SAMP		0x0005
+#define AUDPP_CMD_ADJUST_SAMP_LEN	sizeof(audpp_cmd_adjust_samp)
+
+#define AUDPP_CMD_SAMP_DROP		-1
+#define AUDPP_CMD_SAMP_INSERT		0x0001
+
+#define AUDPP_CMD_NUM_SAMPLES		0x0001
+
+typedef struct {
+	unsigned short cmd_id;
+	unsigned short object_no;
+	signed short sample_insert_or_drop;
+	unsigned short num_samples;
+} __attribute__((packed)) audpp_cmd_adjust_samp;
+
+/*
+ * Command Structure to Configure AVSync Feedback Mechanism
+ */
+
+#define AUDPP_CMD_AVSYNC_CMD_2		0x0006
+#define AUDPP_CMD_AVSYNC_CMD_2_LEN	sizeof(audpp_cmd_avsync_cmd_2)
+
+typedef struct {
+	unsigned short cmd_id;
+	unsigned short object_number;
+	unsigned short interrupt_interval_lsw;
+	unsigned short interrupt_interval_msw;
+	unsigned short sample_counter_dlsw;
+	unsigned short sample_counter_dmsw;
+	unsigned short sample_counter_msw;
+	unsigned short byte_counter_dlsw;
+	unsigned short byte_counter_dmsw;
+	unsigned short byte_counter_msw;
+} __attribute__((packed)) audpp_cmd_avsync_cmd_2;
+
+/*
+ * Command Structure to Configure AVSync Feedback Mechanism
+ */
+
+#define AUDPP_CMD_AVSYNC_CMD_3		0x0007
+#define AUDPP_CMD_AVSYNC_CMD_3_LEN	sizeof(audpp_cmd_avsync_cmd_3)
+
+typedef struct {
+	unsigned short cmd_id;
+	unsigned short object_number;
+	unsigned short interrupt_interval_lsw;
+	unsigned short interrupt_interval_msw;
+	unsigned short sample_counter_dlsw;
+	unsigned short sample_counter_dmsw;
+	unsigned short sample_counter_msw;
+	unsigned short byte_counter_dlsw;
+	unsigned short byte_counter_dmsw;
+	unsigned short byte_counter_msw;
+} __attribute__((packed)) audpp_cmd_avsync_cmd_3;
+
+#define AUDPP_CMD_ROUTING_MODE      0x0008
+#define AUDPP_CMD_ROUTING_MODE_LEN  \
+sizeof(struct audpp_cmd_routing_mode)
+
+struct audpp_cmd_routing_mode {
+	unsigned short cmd_id;
+	unsigned short object_number;
+	unsigned short routing_mode;
+} __attribute__((packed));
+
+/*
+ * Commands Related to uPAudPPCmd2Queue
+ */
+
+/*
+ * Command Structure to configure Per decoder Parameters (Common)
+ */
+
+#define AUDPP_CMD_CFG_ADEC_PARAMS 		0x0000
+#define AUDPP_CMD_CFG_ADEC_PARAMS_COMMON_LEN	\
+	sizeof(audpp_cmd_cfg_adec_params_common)
+
+#define AUDPP_CMD_STATUS_MSG_FLAG_ENA_FCM	0x4000
+#define AUDPP_CMD_STATUS_MSG_FLAG_DIS_FCM	0x0000
+
+#define AUDPP_CMD_STATUS_MSG_FLAG_ENA_DCM	0x8000
+#define AUDPP_CMD_STATUS_MSG_FLAG_DIS_DCM	0x0000
+
+/* Sampling frequency*/
+#define  AUDPP_CMD_SAMP_RATE_96000 	0x0000
+#define  AUDPP_CMD_SAMP_RATE_88200 	0x0001
+#define  AUDPP_CMD_SAMP_RATE_64000 	0x0002
+#define  AUDPP_CMD_SAMP_RATE_48000 	0x0003
+#define  AUDPP_CMD_SAMP_RATE_44100 	0x0004
+#define  AUDPP_CMD_SAMP_RATE_32000 	0x0005
+#define  AUDPP_CMD_SAMP_RATE_24000 	0x0006
+#define  AUDPP_CMD_SAMP_RATE_22050 	0x0007
+#define  AUDPP_CMD_SAMP_RATE_16000 	0x0008
+#define  AUDPP_CMD_SAMP_RATE_12000 	0x0009
+#define  AUDPP_CMD_SAMP_RATE_11025 	0x000A
+#define  AUDPP_CMD_SAMP_RATE_8000  	0x000B
+
+
+/*
+ * Type specification of cmd_adec_cfg sent to all decoder
+ */
+
+typedef struct {
+  unsigned short cmd_id;
+  unsigned short  length;
+  unsigned short  dec_id;
+  unsigned short  status_msg_flag;
+  unsigned short  decoder_frame_counter_msg_period;
+  unsigned short  input_sampling_frequency;
+} __attribute__((packed)) audpp_cmd_cfg_adec_params_common;
+
+/*
+ * Command Structure to configure Per decoder Parameters (Wav)
+ */
+
+#define AUDPP_CMD_CFG_ADEC_PARAMS_WAV_LEN	\
+	sizeof(audpp_cmd_cfg_adec_params_wav)
+
+
+#define AUDPP_CMD_WAV_STEREO_CFG_MONO	0x0001
+#define AUDPP_CMD_WAV_STEREO_CFG_STEREO	0x0002
+
+#define AUDPP_CMD_WAV_PCM_WIDTH_8	0x0000
+#define AUDPP_CMD_WAV_PCM_WIDTH_16	0x0001
+#define AUDPP_CMD_WAV_PCM_WIDTH_32	0x0002
+
+typedef struct {
+	audpp_cmd_cfg_adec_params_common		common;
+	unsigned short					stereo_cfg;
+	unsigned short					pcm_width;
+	unsigned short 					sign;
+} __attribute__((packed)) audpp_cmd_cfg_adec_params_wav;
+
+/*
+ * Command Structure to configure Per decoder Parameters (ADPCM)
+ */
+
+#define AUDPP_CMD_CFG_ADEC_PARAMS_ADPCM_LEN	\
+	sizeof(audpp_cmd_cfg_adec_params_adpcm)
+
+
+#define	AUDPP_CMD_ADPCM_STEREO_CFG_MONO		0x0001
+#define AUDPP_CMD_ADPCM_STEREO_CFG_STEREO	0x0002
+
+typedef struct {
+	audpp_cmd_cfg_adec_params_common		common;
+	unsigned short					stereo_cfg;
+	unsigned short 					block_size;
+} __attribute__((packed)) audpp_cmd_cfg_adec_params_adpcm;
+
+/*
+ * Command Structure to configure Per decoder Parameters (MP3)
+ */
+
+#define AUDPP_CMD_CFG_ADEC_PARAMS_MP3_LEN	\
+	sizeof(audpp_cmd_cfg_adec_params_mp3)
+
+typedef struct {
+   audpp_cmd_cfg_adec_params_common    common;
+} __attribute__((packed)) audpp_cmd_cfg_adec_params_mp3;
+
+
+/*
+ * Command Structure to configure Per decoder Parameters (AAC)
+ */
+
+#define AUDPP_CMD_CFG_ADEC_PARAMS_AAC_LEN	\
+	sizeof(audpp_cmd_cfg_adec_params_aac)
+
+
+#define AUDPP_CMD_AAC_FORMAT_ADTS		-1
+#define	AUDPP_CMD_AAC_FORMAT_RAW		0x0000
+#define	AUDPP_CMD_AAC_FORMAT_PSUEDO_RAW		0x0001
+#define	AUDPP_CMD_AAC_FORMAT_LOAS		0x0002
+
+#define AUDPP_CMD_AAC_AUDIO_OBJECT_LC		0x0002
+#define AUDPP_CMD_AAC_AUDIO_OBJECT_LTP		0x0004
+#define AUDPP_CMD_AAC_AUDIO_OBJECT_ERLC	0x0011
+
+#define AUDPP_CMD_AAC_SBR_ON_FLAG_ON		0x0001
+#define AUDPP_CMD_AAC_SBR_ON_FLAG_OFF		0x0000
+
+#define AUDPP_CMD_AAC_SBR_PS_ON_FLAG_ON		0x0001
+#define AUDPP_CMD_AAC_SBR_PS_ON_FLAG_OFF	0x0000
+
+typedef struct {
+  audpp_cmd_cfg_adec_params_common	common;
+  signed short				format;
+  unsigned short			audio_object;
+  unsigned short			ep_config;
+  unsigned short                        aac_section_data_resilience_flag;
+  unsigned short                        aac_scalefactor_data_resilience_flag;
+  unsigned short                        aac_spectral_data_resilience_flag;
+  unsigned short                        sbr_on_flag;
+  unsigned short                        sbr_ps_on_flag;
+  unsigned short                        dual_mono_mode;
+  unsigned short                        channel_configuration;
+} __attribute__((packed)) audpp_cmd_cfg_adec_params_aac;
+
+/*
+ * Command Structure to configure Per decoder Parameters (V13K)
+ */
+
+#define AUDPP_CMD_CFG_ADEC_PARAMS_V13K_LEN	\
+	sizeof(struct audpp_cmd_cfg_adec_params_v13k)
+
+
+#define AUDPP_CMD_STEREO_CFG_MONO		0x0001
+#define AUDPP_CMD_STEREO_CFG_STEREO		0x0002
+
+struct audpp_cmd_cfg_adec_params_v13k {
+   audpp_cmd_cfg_adec_params_common    	common;
+   unsigned short			stereo_cfg;
+} __attribute__((packed));
+
+#define AUDPP_CMD_CFG_ADEC_PARAMS_EVRC_LEN \
+	sizeof(struct audpp_cmd_cfg_adec_params_evrc)
+
+struct audpp_cmd_cfg_adec_params_evrc {
+	audpp_cmd_cfg_adec_params_common common;
+	unsigned short stereo_cfg;
+} __attribute__ ((packed));
+
+/*
+ * Command Structure to configure the  HOST PCM interface
+ */
+
+#define AUDPP_CMD_PCM_INTF	0x0001
+#define AUDPP_CMD_PCM_INTF_2	0x0002
+#define AUDPP_CMD_PCM_INTF_LEN	sizeof(audpp_cmd_pcm_intf)
+
+#define AUDPP_CMD_PCM_INTF_MONO_V		        0x0001
+#define AUDPP_CMD_PCM_INTF_STEREO_V         	0x0002
+
+/* These two values differentiate the two types of commands that could be issued
+ * Interface configuration command and Buffer update command */
+
+#define AUDPP_CMD_PCM_INTF_CONFIG_CMD_V	       	0x0000
+#define AUDPP_CMD_PCM_INTF_BUFFER_CMD_V	        -1
+
+#define AUDPP_CMD_PCM_INTF_RX_ENA_M              0x000F
+#define AUDPP_CMD_PCM_INTF_RX_ENA_ARMTODSP_V     0x0008
+#define AUDPP_CMD_PCM_INTF_RX_ENA_DSPTOARM_V     0x0004
+
+/* These flags control the enabling and disabling of the interface together
+ *  with host interface bit mask. */
+
+#define AUDPP_CMD_PCM_INTF_ENA_V            -1
+#define AUDPP_CMD_PCM_INTF_DIS_V            0x0000
+
+
+#define  AUDPP_CMD_PCM_INTF_FULL_DUPLEX           0x0
+#define  AUDPP_CMD_PCM_INTF_HALF_DUPLEX_TODSP     0x1
+
+
+#define  AUDPP_CMD_PCM_INTF_OBJECT_NUM           0x5
+#define  AUDPP_CMD_PCM_INTF_COMMON_OBJECT_NUM    0x6
+
+
+typedef struct {
+	unsigned short  cmd_id;
+	unsigned short  object_num;
+	signed short  config;
+	unsigned short  intf_type;
+
+	/* DSP -> ARM Configuration */
+	unsigned short  read_buf1LSW;
+	unsigned short  read_buf1MSW;
+	unsigned short  read_buf1_len;
+
+	unsigned short  read_buf2LSW;
+	unsigned short  read_buf2MSW;
+	unsigned short  read_buf2_len;
+	/*   0:HOST_PCM_INTF disable
+	**  0xFFFF: HOST_PCM_INTF enable
+	*/
+	signed short  dsp_to_arm_flag;
+	unsigned short  partition_number;
+
+	/* ARM -> DSP Configuration */
+	unsigned short  write_buf1LSW;
+	unsigned short  write_buf1MSW;
+	unsigned short  write_buf1_len;
+
+	unsigned short  write_buf2LSW;
+	unsigned short  write_buf2MSW;
+	unsigned short  write_buf2_len;
+
+	/*   0:HOST_PCM_INTF disable
+	**  0xFFFF: HOST_PCM_INTF enable
+	*/
+	signed short  arm_to_rx_flag;
+	unsigned short  weight_decoder_to_rx;
+	unsigned short  weight_arm_to_rx;
+
+	unsigned short  partition_number_arm_to_dsp;
+	unsigned short  sample_rate;
+	unsigned short  channel_mode;
+} __attribute__((packed)) audpp_cmd_pcm_intf;
+
+/*
+ **  BUFFER UPDATE COMMAND
+ */
+#define AUDPP_CMD_PCM_INTF_SEND_BUF_PARAMS_LEN	\
+	sizeof(audpp_cmd_pcm_intf_send_buffer)
+
+typedef struct {
+  unsigned short  cmd_id;
+  unsigned short  host_pcm_object;
+  /* set config = 0xFFFF for configuration*/
+  signed short  config;
+  unsigned short  intf_type;
+  unsigned short  dsp_to_arm_buf_id;
+  unsigned short  arm_to_dsp_buf_id;
+  unsigned short  arm_to_dsp_buf_len;
+} __attribute__((packed)) audpp_cmd_pcm_intf_send_buffer;
+
+
+/*
+ * Commands Related to uPAudPPCmd3Queue
+ */
+
+/*
+ * Command Structure to configure post processing params (Commmon)
+ */
+
+#define AUDPP_CMD_CFG_OBJECT_PARAMS		0x0000
+#define AUDPP_CMD_CFG_OBJECT_PARAMS_COMMON_LEN		\
+	sizeof(audpp_cmd_cfg_object_params_common)
+
+#define AUDPP_CMD_OBJ0_UPDATE		0x8000
+#define AUDPP_CMD_OBJ0_DONT_UPDATE	0x0000
+
+#define AUDPP_CMD_OBJ1_UPDATE		0x8000
+#define AUDPP_CMD_OBJ1_DONT_UPDATE	0x0000
+
+#define AUDPP_CMD_OBJ2_UPDATE		0x8000
+#define AUDPP_CMD_OBJ2_DONT_UPDATE	0x0000
+
+#define AUDPP_CMD_OBJ3_UPDATE		0x8000
+#define AUDPP_CMD_OBJ3_DONT_UPDATE	0x0000
+
+#define AUDPP_CMD_OBJ4_UPDATE		0x8000
+#define AUDPP_CMD_OBJ4_DONT_UPDATE	0x0000
+
+#define AUDPP_CMD_HPCM_UPDATE		0x8000
+#define AUDPP_CMD_HPCM_DONT_UPDATE	0x0000
+
+#define AUDPP_CMD_COMMON_CFG_UPDATE		0x8000
+#define AUDPP_CMD_COMMON_CFG_DONT_UPDATE	0x0000
+
+typedef struct {
+	unsigned short  cmd_id;
+	unsigned short	obj0_cfg;
+	unsigned short	obj1_cfg;
+	unsigned short	obj2_cfg;
+	unsigned short	obj3_cfg;
+	unsigned short	obj4_cfg;
+	unsigned short	host_pcm_obj_cfg;
+	unsigned short	comman_cfg;
+	unsigned short  command_type;
+} __attribute__((packed)) audpp_cmd_cfg_object_params_common;
+
+/*
+ * Command Structure to configure post processing params (Volume)
+ */
+
+#define AUDPP_CMD_CFG_OBJECT_PARAMS_VOLUME_LEN		\
+	sizeof(audpp_cmd_cfg_object_params_volume)
+
+typedef struct {
+	audpp_cmd_cfg_object_params_common 	common;
+	unsigned short					volume;
+	unsigned short					pan;
+} __attribute__((packed)) audpp_cmd_cfg_object_params_volume;
+
+/*
+ * Command Structure to configure post processing params (PCM Filter) --DOUBT
+ */
+
+typedef struct {
+	unsigned short			numerator_b0_filter_lsw;
+	unsigned short			numerator_b0_filter_msw;
+	unsigned short			numerator_b1_filter_lsw;
+	unsigned short			numerator_b1_filter_msw;
+	unsigned short			numerator_b2_filter_lsw;
+	unsigned short			numerator_b2_filter_msw;
+} __attribute__((packed)) numerator;
+
+typedef struct {
+	unsigned short			denominator_a0_filter_lsw;
+	unsigned short			denominator_a0_filter_msw;
+	unsigned short			denominator_a1_filter_lsw;
+	unsigned short			denominator_a1_filter_msw;
+} __attribute__((packed)) denominator;
+
+typedef struct {
+	unsigned short			shift_factor_0;
+} __attribute__((packed)) shift_factor;
+
+typedef struct {
+	unsigned short			pan_filter_0;
+} __attribute__((packed)) pan;
+
+typedef struct {
+		numerator		numerator_filter;
+		denominator		denominator_filter;
+		shift_factor		shift_factor_filter;
+		pan			pan_filter;
+} __attribute__((packed)) filter_1;
+
+typedef struct {
+		numerator		numerator_filter[2];
+		denominator		denominator_filter[2];
+		shift_factor		shift_factor_filter[2];
+		pan			pan_filter[2];
+} __attribute__((packed)) filter_2;
+
+typedef struct {
+		numerator		numerator_filter[3];
+		denominator		denominator_filter[3];
+		shift_factor		shift_factor_filter[3];
+		pan			pan_filter[3];
+} __attribute__((packed)) filter_3;
+
+typedef struct {
+		numerator		numerator_filter[4];
+		denominator		denominator_filter[4];
+		shift_factor		shift_factor_filter[4];
+		pan			pan_filter[4];
+} __attribute__((packed)) filter_4;
+
+#define AUDPP_CMD_CFG_OBJECT_PARAMS_PCM_LEN		\
+	sizeof(audpp_cmd_cfg_object_params_pcm)
+
+
+typedef struct {
+	audpp_cmd_cfg_object_params_common 	common;
+	unsigned short				active_flag;
+	unsigned short 				num_bands;
+	union {
+		filter_1			filter_1_params;
+		filter_2			filter_2_params;
+		filter_3			filter_3_params;
+		filter_4			filter_4_params;
+	} __attribute__((packed)) params_filter;
+} __attribute__((packed)) audpp_cmd_cfg_object_params_pcm;
+
+
+/*
+ * Command Structure to configure post processing parameters (equalizer)
+ */
+
+#define AUDPP_CMD_CFG_OBJECT_PARAMS_EQALIZER_LEN		\
+	sizeof(audpp_cmd_cfg_object_params_eqalizer)
+
+typedef struct {
+	unsigned short			numerator_coeff_0_lsw;
+	unsigned short			numerator_coeff_0_msw;
+	unsigned short			numerator_coeff_1_lsw;
+	unsigned short			numerator_coeff_1_msw;
+	unsigned short			numerator_coeff_2_lsw;
+	unsigned short			numerator_coeff_2_msw;
+} __attribute__((packed)) eq_numerator;
+
+typedef struct {
+	unsigned short			denominator_coeff_0_lsw;
+	unsigned short			denominator_coeff_0_msw;
+	unsigned short			denominator_coeff_1_lsw;
+	unsigned short			denominator_coeff_1_msw;
+} __attribute__((packed)) eq_denominator;
+
+typedef struct {
+	unsigned short			shift_factor;
+} __attribute__((packed)) eq_shiftfactor;
+
+typedef struct {
+	eq_numerator	numerator;
+	eq_denominator	denominator;
+	eq_shiftfactor	shiftfactor;
+} __attribute__((packed)) eq_coeff_1;
+
+typedef struct {
+	eq_numerator	numerator[2];
+	eq_denominator	denominator[2];
+	eq_shiftfactor	shiftfactor[2];
+} __attribute__((packed)) eq_coeff_2;
+
+typedef struct {
+	eq_numerator	numerator[3];
+	eq_denominator	denominator[3];
+	eq_shiftfactor	shiftfactor[3];
+} __attribute__((packed)) eq_coeff_3;
+
+typedef struct {
+	eq_numerator	numerator[4];
+	eq_denominator	denominator[4];
+	eq_shiftfactor	shiftfactor[4];
+} __attribute__((packed)) eq_coeff_4;
+
+typedef struct {
+	eq_numerator	numerator[5];
+	eq_denominator	denominator[5];
+	eq_shiftfactor	shiftfactor[5];
+} __attribute__((packed)) eq_coeff_5;
+
+typedef struct {
+	eq_numerator	numerator[6];
+	eq_denominator	denominator[6];
+	eq_shiftfactor	shiftfactor[6];
+} __attribute__((packed)) eq_coeff_6;
+
+typedef struct {
+	eq_numerator	numerator[7];
+	eq_denominator	denominator[7];
+	eq_shiftfactor	shiftfactor[7];
+} __attribute__((packed)) eq_coeff_7;
+
+typedef struct {
+	eq_numerator	numerator[8];
+	eq_denominator	denominator[8];
+	eq_shiftfactor	shiftfactor[8];
+} __attribute__((packed)) eq_coeff_8;
+
+typedef struct {
+	eq_numerator	numerator[9];
+	eq_denominator	denominator[9];
+	eq_shiftfactor	shiftfactor[9];
+} __attribute__((packed)) eq_coeff_9;
+
+typedef struct {
+	eq_numerator	numerator[10];
+	eq_denominator	denominator[10];
+	eq_shiftfactor	shiftfactor[10];
+} __attribute__((packed)) eq_coeff_10;
+
+typedef struct {
+	eq_numerator	numerator[11];
+	eq_denominator	denominator[11];
+	eq_shiftfactor	shiftfactor[11];
+} __attribute__((packed)) eq_coeff_11;
+
+typedef struct {
+	eq_numerator	numerator[12];
+	eq_denominator	denominator[12];
+	eq_shiftfactor	shiftfactor[12];
+} __attribute__((packed)) eq_coeff_12;
+
+
+typedef struct {
+	audpp_cmd_cfg_object_params_common 	common;
+	unsigned short				eq_flag;
+	unsigned short				num_bands;
+	union {
+		eq_coeff_1	eq_coeffs_1;
+		eq_coeff_2	eq_coeffs_2;
+		eq_coeff_3	eq_coeffs_3;
+		eq_coeff_4	eq_coeffs_4;
+		eq_coeff_5	eq_coeffs_5;
+		eq_coeff_6	eq_coeffs_6;
+		eq_coeff_7	eq_coeffs_7;
+		eq_coeff_8	eq_coeffs_8;
+		eq_coeff_9	eq_coeffs_9;
+		eq_coeff_10	eq_coeffs_10;
+		eq_coeff_11	eq_coeffs_11;
+		eq_coeff_12	eq_coeffs_12;
+	} __attribute__((packed)) eq_coeff;
+} __attribute__((packed)) audpp_cmd_cfg_object_params_eqalizer;
+
+
+/*
+ * Command Structure to configure post processing parameters (ADRC)
+ */
+
+#define AUDPP_CMD_CFG_OBJECT_PARAMS_ADRC_LEN		\
+	sizeof(audpp_cmd_cfg_object_params_adrc)
+
+
+#define AUDPP_CMD_ADRC_FLAG_DIS		0x0000
+#define AUDPP_CMD_ADRC_FLAG_ENA		-1
+
+typedef struct {
+	audpp_cmd_cfg_object_params_common 	common;
+	signed short				adrc_flag;
+	unsigned short				compression_th;
+	unsigned short				compression_slope;
+	unsigned short				rms_time;
+	unsigned short				attack_const_lsw;
+	unsigned short				attack_const_msw;
+	unsigned short				release_const_lsw;
+	unsigned short				release_const_msw;
+	unsigned short				adrc_system_delay;
+} __attribute__((packed)) audpp_cmd_cfg_object_params_adrc;
+
+/*
+ * Command Structure to configure post processing parameters(Spectrum Analizer)
+ */
+
+#define AUDPP_CMD_CFG_OBJECT_PARAMS_SPECTRAM_LEN		\
+	sizeof(audpp_cmd_cfg_object_params_spectram)
+
+
+typedef struct {
+	audpp_cmd_cfg_object_params_common 	common;
+	unsigned short				sample_interval;
+	unsigned short				num_coeff;
+} __attribute__((packed)) audpp_cmd_cfg_object_params_spectram;
+
+/*
+ * Command Structure to configure post processing parameters (QConcert)
+ */
+
+#define AUDPP_CMD_CFG_OBJECT_PARAMS_QCONCERT_LEN		\
+	sizeof(audpp_cmd_cfg_object_params_qconcert)
+
+
+#define AUDPP_CMD_QCON_ENA_FLAG_ENA		-1
+#define AUDPP_CMD_QCON_ENA_FLAG_DIS		0x0000
+
+#define AUDPP_CMD_QCON_OP_MODE_HEADPHONE	-1
+#define AUDPP_CMD_QCON_OP_MODE_SPEAKER_FRONT	0x0000
+#define AUDPP_CMD_QCON_OP_MODE_SPEAKER_SIDE	0x0001
+#define AUDPP_CMD_QCON_OP_MODE_SPEAKER_DESKTOP	0x0002
+
+#define AUDPP_CMD_QCON_GAIN_UNIT			0x7FFF
+#define AUDPP_CMD_QCON_GAIN_SIX_DB			0x4027
+
+
+#define AUDPP_CMD_QCON_EXPANSION_MAX		0x7FFF
+
+
+typedef struct {
+	audpp_cmd_cfg_object_params_common 	common;
+	signed short				enable_flag;
+	signed short				output_mode;
+	signed short				gain;
+	signed short				expansion;
+	signed short				delay;
+	unsigned short				stages_per_mode;
+} __attribute__((packed)) audpp_cmd_cfg_object_params_qconcert;
+
+/*
+ * Command Structure to configure post processing parameters (Side Chain)
+ */
+
+#define AUDPP_CMD_CFG_OBJECT_PARAMS_SIDECHAIN_LEN		\
+	sizeof(audpp_cmd_cfg_object_params_sidechain)
+
+
+#define AUDPP_CMD_SIDECHAIN_ACTIVE_FLAG_DIS	0x0000
+#define AUDPP_CMD_SIDECHAIN_ACTIVE_FLAG_ENA	-1
+
+typedef struct {
+	audpp_cmd_cfg_object_params_common 	common;
+	signed short				active_flag;
+	unsigned short				num_bands;
+	union {
+		filter_1			filter_1_params;
+		filter_2			filter_2_params;
+		filter_3			filter_3_params;
+		filter_4			filter_4_params;
+	} __attribute__((packed)) params_filter;
+} __attribute__((packed)) audpp_cmd_cfg_object_params_sidechain;
+
+
+/*
+ * Command Structure to configure post processing parameters (QAFX)
+ */
+
+#define AUDPP_CMD_CFG_OBJECT_PARAMS_QAFX_LEN		\
+	sizeof(audpp_cmd_cfg_object_params_qafx)
+
+#define AUDPP_CMD_QAFX_ENA_DISA		0x0000
+#define AUDPP_CMD_QAFX_ENA_ENA_CFG	-1
+#define AUDPP_CMD_QAFX_ENA_DIS_CFG	0x0001
+
+#define AUDPP_CMD_QAFX_CMD_TYPE_ENV	0x0100
+#define AUDPP_CMD_QAFX_CMD_TYPE_OBJ	0x0010
+#define AUDPP_CMD_QAFX_CMD_TYPE_QUERY	0x1000
+
+#define AUDPP_CMD_QAFX_CMDS_ENV_OP_MODE	0x0100
+#define AUDPP_CMD_QAFX_CMDS_ENV_LIS_POS	0x0101
+#define AUDPP_CMD_QAFX_CMDS_ENV_LIS_ORI	0x0102
+#define AUDPP_CMD_QAFX_CMDS_ENV_LIS_VEL	0X0103
+#define AUDPP_CMD_QAFX_CMDS_ENV_ENV_RES	0x0107
+
+#define AUDPP_CMD_QAFX_CMDS_OBJ_SAMP_FREQ	0x0010
+#define AUDPP_CMD_QAFX_CMDS_OBJ_VOL		0x0011
+#define AUDPP_CMD_QAFX_CMDS_OBJ_DIST		0x0012
+#define AUDPP_CMD_QAFX_CMDS_OBJ_POS		0x0013
+#define AUDPP_CMD_QAFX_CMDS_OBJ_VEL		0x0014
+
+
+typedef struct {
+	audpp_cmd_cfg_object_params_common 	common;
+	signed short				enable;
+	unsigned short				command_type;
+	unsigned short				num_commands;
+	unsigned short				commands;
+} __attribute__((packed)) audpp_cmd_cfg_object_params_qafx;
+
+/*
+ * Command Structure to enable , disable or configure the reverberation effect
+ * (Common)
+ */
+
+#define AUDPP_CMD_REVERB_CONFIG		0x0001
+#define	AUDPP_CMD_REVERB_CONFIG_COMMON_LEN	\
+	sizeof(audpp_cmd_reverb_config_common)
+
+#define AUDPP_CMD_ENA_ENA	0xFFFF
+#define AUDPP_CMD_ENA_DIS	0x0000
+#define AUDPP_CMD_ENA_CFG	0x0001
+
+#define AUDPP_CMD_CMD_TYPE_ENV		0x0104
+#define AUDPP_CMD_CMD_TYPE_OBJ		0x0015
+#define AUDPP_CMD_CMD_TYPE_QUERY	0x1000
+
+
+typedef struct {
+	unsigned short			cmd_id;
+	unsigned short			enable;
+	unsigned short			cmd_type;
+} __attribute__((packed)) audpp_cmd_reverb_config_common;
+
+/*
+ * Command Structure to enable , disable or configure the reverberation effect
+ * (ENV-0x0104)
+ */
+
+#define	AUDPP_CMD_REVERB_CONFIG_ENV_104_LEN	\
+	sizeof(audpp_cmd_reverb_config_env_104)
+
+typedef struct {
+	audpp_cmd_reverb_config_common	common;
+	unsigned short			env_gain;
+	unsigned short			decay_msw;
+	unsigned short			decay_lsw;
+	unsigned short			decay_timeratio_msw;
+	unsigned short			decay_timeratio_lsw;
+	unsigned short			delay_time;
+	unsigned short			reverb_gain;
+	unsigned short			reverb_delay;
+} __attribute__((packed)) audpp_cmd_reverb_config_env_104;
+
+/*
+ * Command Structure to enable , disable or configure the reverberation effect
+ * (ENV-0x0015)
+ */
+
+#define	AUDPP_CMD_REVERB_CONFIG_ENV_15_LEN	\
+	sizeof(audpp_cmd_reverb_config_env_15)
+
+typedef struct {
+	audpp_cmd_reverb_config_common	common;
+	unsigned short			object_num;
+	unsigned short			absolute_gain;
+} __attribute__((packed)) audpp_cmd_reverb_config_env_15;
+
+
+#endif /* QDSP5AUDPPCMDI_H */
+
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5audppmsg.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5audppmsg.h
new file mode 100644
index 000000000000..44fea224001a
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5audppmsg.h
@@ -0,0 +1,318 @@
+#ifndef QDSP5AUDPPMSG_H
+#define QDSP5AUDPPMSG_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+       Q D S P 5  A U D I O   P O S T   P R O C E S S I N G   M S G
+
+GENERAL DESCRIPTION
+  Messages sent by AUDPPTASK to ARM
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2009 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+ $Header: //source/qcom/qct/multimedia2/Audio/drivers/QDSP5Driver/QDSP5Interface/main/latest/qdsp5audppmsg.h#4 $
+
+===========================================================================*/
+
+/*
+ * AUDPPTASK uses audPPuPRlist to send messages to the ARM
+ * Location : MEMA
+ * Buffer Size : 45
+ * No of Buffers in a queue : 5 for gaming audio and 1 for other images
+ */
+
+/*
+ * MSG to Informs the ARM os Success/Failure of bringing up the decoder
+ */
+
+#define AUDPP_MSG_STATUS_MSG		0x0001
+#define AUDPP_MSG_STATUS_MSG_LEN	\
+	sizeof(audpp_msg_status_msg)
+
+#define AUDPP_MSG_STATUS_SLEEP		0x0000
+#define AUDPP_MSG__STATUS_INIT		0x0001
+#define AUDPP_MSG_MSG_STATUS_CFG	0x0002
+#define AUDPP_MSG_STATUS_PLAY		0x0003
+
+#define AUDPP_MSG_REASON_MIPS	0x0000
+#define AUDPP_MSG_REASON_MEM	0x0001
+
+typedef struct{
+	unsigned short dec_id;
+	unsigned short status;
+	unsigned short reason;
+} __attribute__((packed)) audpp_msg_status_msg;
+
+/*
+ * MSG to communicate the spectrum analyzer output bands to the ARM
+ */
+#define AUDPP_MSG_SPA_BANDS		0x0002
+#define AUDPP_MSG_SPA_BANDS_LEN	\
+	sizeof(audpp_msg_spa_bands)
+
+typedef struct {
+	unsigned short			current_object;
+	unsigned short			spa_band_1;
+	unsigned short			spa_band_2;
+	unsigned short			spa_band_3;
+	unsigned short			spa_band_4;
+	unsigned short			spa_band_5;
+	unsigned short			spa_band_6;
+	unsigned short			spa_band_7;
+	unsigned short			spa_band_8;
+	unsigned short			spa_band_9;
+	unsigned short			spa_band_10;
+	unsigned short			spa_band_11;
+	unsigned short			spa_band_12;
+	unsigned short			spa_band_13;
+	unsigned short			spa_band_14;
+	unsigned short			spa_band_15;
+	unsigned short			spa_band_16;
+	unsigned short			spa_band_17;
+	unsigned short			spa_band_18;
+	unsigned short			spa_band_19;
+	unsigned short			spa_band_20;
+	unsigned short			spa_band_21;
+	unsigned short			spa_band_22;
+	unsigned short			spa_band_23;
+	unsigned short			spa_band_24;
+	unsigned short			spa_band_25;
+	unsigned short			spa_band_26;
+	unsigned short			spa_band_27;
+	unsigned short			spa_band_28;
+	unsigned short			spa_band_29;
+	unsigned short			spa_band_30;
+	unsigned short			spa_band_31;
+	unsigned short			spa_band_32;
+} __attribute__((packed)) audpp_msg_spa_bands;
+
+/*
+ * MSG to communicate the PCM I/O buffer status to ARM
+ */
+#define  AUDPP_MSG_HOST_PCM_INTF_MSG		0x0003
+#define  AUDPP_MSG_HOST_PCM_INTF_MSG_LEN	\
+	sizeof(audpp_msg_host_pcm_intf_msg)
+
+#define AUDPP_MSG_HOSTPCM_ID_TX_ARM	0x0000
+#define AUDPP_MSG_HOSTPCM_ID_ARM_TX	0x0001
+#define AUDPP_MSG_HOSTPCM_ID_RX_ARM	0x0002
+#define AUDPP_MSG_HOSTPCM_ID_ARM_RX	0x0003
+
+#define AUDPP_MSG_SAMP_FREQ_INDX_96000	0x0000
+#define AUDPP_MSG_SAMP_FREQ_INDX_88200	0x0001
+#define AUDPP_MSG_SAMP_FREQ_INDX_64000	0x0002
+#define AUDPP_MSG_SAMP_FREQ_INDX_48000	0x0003
+#define AUDPP_MSG_SAMP_FREQ_INDX_44100	0x0004
+#define AUDPP_MSG_SAMP_FREQ_INDX_32000	0x0005
+#define AUDPP_MSG_SAMP_FREQ_INDX_24000	0x0006
+#define AUDPP_MSG_SAMP_FREQ_INDX_22050	0x0007
+#define AUDPP_MSG_SAMP_FREQ_INDX_16000	0x0008
+#define AUDPP_MSG_SAMP_FREQ_INDX_12000	0x0009
+#define AUDPP_MSG_SAMP_FREQ_INDX_11025	0x000A
+#define AUDPP_MSG_SAMP_FREQ_INDX_8000	0x000B
+
+#define AUDPP_MSG_CHANNEL_MODE_MONO		0x0001
+#define AUDPP_MSG_CHANNEL_MODE_STEREO	0x0002
+
+typedef struct{
+	unsigned short obj_num;
+	unsigned short numbers_of_samples;
+	unsigned short host_pcm_id;
+	unsigned short buf_indx;
+	unsigned short samp_freq_indx;
+	unsigned short channel_mode;
+} __attribute__((packed)) audpp_msg_host_pcm_intf_msg;
+
+
+/*
+ * MSG to communicate 3D position of the source and listener , source volume
+ * source rolloff, source orientation
+ */
+
+#define AUDPP_MSG_QAFX_POS		0x0004
+#define AUDPP_MSG_QAFX_POS_LEN		\
+	sizeof(audpp_msg_qafx_pos)
+
+typedef struct {
+	unsigned short	current_object;
+	unsigned short	x_pos_lis_msw;
+	unsigned short	x_pos_lis_lsw;
+	unsigned short	y_pos_lis_msw;
+	unsigned short	y_pos_lis_lsw;
+	unsigned short	z_pos_lis_msw;
+	unsigned short	z_pos_lis_lsw;
+	unsigned short	x_fwd_msw;
+	unsigned short	x_fwd_lsw;
+	unsigned short	y_fwd_msw;
+	unsigned short	y_fwd_lsw;
+	unsigned short	z_fwd_msw;
+	unsigned short	z_fwd_lsw;
+	unsigned short 	x_up_msw;
+	unsigned short	x_up_lsw;
+	unsigned short 	y_up_msw;
+	unsigned short	y_up_lsw;
+	unsigned short 	z_up_msw;
+	unsigned short	z_up_lsw;
+	unsigned short 	x_vel_lis_msw;
+	unsigned short 	x_vel_lis_lsw;
+	unsigned short 	y_vel_lis_msw;
+	unsigned short 	y_vel_lis_lsw;
+	unsigned short 	z_vel_lis_msw;
+	unsigned short 	z_vel_lis_lsw;
+	unsigned short	threed_enable_flag;
+	unsigned short 	volume;
+	unsigned short	x_pos_source_msw;
+	unsigned short	x_pos_source_lsw;
+	unsigned short	y_pos_source_msw;
+	unsigned short	y_pos_source_lsw;
+	unsigned short	z_pos_source_msw;
+	unsigned short	z_pos_source_lsw;
+	unsigned short	max_dist_0_msw;
+	unsigned short	max_dist_0_lsw;
+	unsigned short	min_dist_0_msw;
+	unsigned short	min_dist_0_lsw;
+	unsigned short	roll_off_factor;
+	unsigned short	mute_after_max_flag;
+	unsigned short	x_vel_source_msw;
+	unsigned short	x_vel_source_lsw;
+	unsigned short	y_vel_source_msw;
+	unsigned short	y_vel_source_lsw;
+	unsigned short	z_vel_source_msw;
+	unsigned short	z_vel_source_lsw;
+} __attribute__((packed)) audpp_msg_qafx_pos;
+
+/*
+ * MSG to provide AVSYNC feedback from DSP to ARM
+ */
+
+#define AUDPP_MSG_AVSYNC_MSG		0x0005
+#define AUDPP_MSG_AVSYNC_MSG_LEN	\
+	sizeof(audpp_msg_avsync_msg)
+
+typedef struct {
+	unsigned short	active_flag;
+	unsigned short	num_samples_counter0_HSW;
+	unsigned short	num_samples_counter0_MSW;
+	unsigned short	num_samples_counter0_LSW;
+	unsigned short	num_bytes_counter0_HSW;
+	unsigned short	num_bytes_counter0_MSW;
+	unsigned short	num_bytes_counter0_LSW;
+	unsigned short	samp_freq_obj_0;
+	unsigned short	samp_freq_obj_1;
+	unsigned short	samp_freq_obj_2;
+	unsigned short	samp_freq_obj_3;
+	unsigned short	samp_freq_obj_4;
+	unsigned short	samp_freq_obj_5;
+	unsigned short	samp_freq_obj_6;
+	unsigned short	samp_freq_obj_7;
+	unsigned short	samp_freq_obj_8;
+	unsigned short	samp_freq_obj_9;
+	unsigned short	samp_freq_obj_10;
+	unsigned short	samp_freq_obj_11;
+	unsigned short	samp_freq_obj_12;
+	unsigned short	samp_freq_obj_13;
+	unsigned short	samp_freq_obj_14;
+	unsigned short	samp_freq_obj_15;
+	unsigned short	num_samples_counter4_HSW;
+	unsigned short	num_samples_counter4_MSW;
+	unsigned short	num_samples_counter4_LSW;
+	unsigned short	num_bytes_counter4_HSW;
+	unsigned short	num_bytes_counter4_MSW;
+	unsigned short	num_bytes_counter4_LSW;
+} __attribute__((packed)) audpp_msg_avsync_msg;
+
+/*
+ * MSG to provide PCM DMA Missed feedback from the DSP to ARM
+ */
+
+#define  AUDPP_MSG_PCMDMAMISSED	0x0006
+#define  AUDPP_MSG_PCMDMAMISSED_LEN	\
+	sizeof(audpp_msg_pcmdmamissed);
+
+typedef struct{
+	/*
+	** Bit 0	0 = PCM DMA not missed for object 0
+	**        1 = PCM DMA missed for object0
+	** Bit 1	0 = PCM DMA not missed for object 1
+	**        1 = PCM DMA missed for object1
+	** Bit 2	0 = PCM DMA not missed for object 2
+	**        1 = PCM DMA missed for object2
+	** Bit 3	0 = PCM DMA not missed for object 3
+	**        1 = PCM DMA missed for object3
+	** Bit 4	0 = PCM DMA not missed for object 4
+	**        1 = PCM DMA missed for object4
+	*/
+	unsigned short pcmdmamissed;
+} __attribute__((packed)) audpp_msg_pcmdmamissed;
+
+/*
+ * MSG to AUDPP enable or disable feedback form DSP to ARM
+ */
+
+#define AUDPP_MSG_CFG_MSG	0x0007
+#define AUDPP_MSG_CFG_MSG_LEN	\
+    sizeof(audpp_msg_cfg_msg)
+
+#define AUDPP_MSG_ENA_ENA	0xFFFF
+#define AUDPP_MSG_ENA_DIS	0x0000
+
+typedef struct{
+	/*   Enabled  - 0xffff
+	**  Disabled - 0
+	*/
+	unsigned short enabled;
+} __attribute__((packed)) audpp_msg_cfg_msg;
+
+/*
+ * MSG to communicate the reverb  per object volume
+ */
+
+#define AUDPP_MSG_QREVERB_VOLUME	0x0008
+#define AUDPP_MSG_QREVERB_VOLUME_LEN	\
+	sizeof(audpp_msg_qreverb_volume)
+
+
+typedef struct {
+	unsigned short	obj_0_gain;
+	unsigned short	obj_1_gain;
+	unsigned short	obj_2_gain;
+	unsigned short	obj_3_gain;
+	unsigned short	obj_4_gain;
+	unsigned short	hpcm_obj_volume;
+} __attribute__((packed)) audpp_msg_qreverb_volume;
+
+#define AUDPP_MSG_ROUTING_ACK 0x0009
+#define AUDPP_MSG_ROUTING_ACK_LEN \
+  sizeof(struct audpp_msg_routing_ack)
+
+struct audpp_msg_routing_ack {
+	unsigned short dec_id;
+	unsigned short routing_mode;
+} __attribute__((packed));
+
+#define AUDPP_MSG_FLUSH_ACK 0x000A
+
+#endif /* QDSP5AUDPPMSG_H */
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5audpreproccmdi.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5audpreproccmdi.h
new file mode 100644
index 000000000000..06d33d571583
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5audpreproccmdi.h
@@ -0,0 +1,256 @@
+#ifndef QDSP5AUDPREPROCCMDI_H
+#define QDSP5AUDPREPROCCMDI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+    A U D I O   P R E   P R O C E S S I N G  I N T E R N A L  C O M M A N D S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of commands
+  that are accepted by AUDPREPROC Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2008 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+$Header: //source/qcom/qct/multimedia2/Audio/drivers/QDSP5Driver/QDSP5Interface/main/latest/qdsp5audpreproccmdi.h#2 $
+
+===========================================================================*/
+
+/*
+ * AUDIOPREPROC COMMANDS:
+ * ARM uses uPAudPreProcCmdQueue to communicate with AUDPREPROCTASK
+ * Location : MEMB
+ * Buffer size : 51
+ * Number of buffers in a queue : 3
+ */
+
+/*
+ * Command to configure the parameters of AGC
+ */
+
+#define	AUDPREPROC_CMD_CFG_AGC_PARAMS	0x0000
+#define	AUDPREPROC_CMD_CFG_AGC_PARAMS_LEN	\
+	sizeof(audpreproc_cmd_cfg_agc_params)
+
+#define	AUDPREPROC_CMD_TX_AGC_PARAM_MASK_COMP_SLOPE	0x0009
+#define	AUDPREPROC_CMD_TX_AGC_PARAM_MASK_COMP_TH	0x000A
+#define	AUDPREPROC_CMD_TX_AGC_PARAM_MASK_EXP_SLOPE	0x000B
+#define	AUDPREPROC_CMD_TX_AGC_PARAM_MASK_EXP_TH		0x000C
+#define	AUDPREPROC_CMD_TX_AGC_PARAM_MASK_COMP_AIG_FLAG		0x000D
+#define	AUDPREPROC_CMD_TX_AGC_PARAM_MASK_COMP_STATIC_GAIN	0x000E
+#define	AUDPREPROC_CMD_TX_AGC_PARAM_MASK_TX_AGC_ENA_FLAG	0x000F
+
+#define	AUDPREPROC_CMD_TX_AGC_ENA_FLAG_ENA	-1
+#define	AUDPREPROC_CMD_TX_AGC_ENA_FLAG_DIS	0x0000
+
+#define	AUDPREPROC_CMD_ADP_GAIN_FLAG_ENA_ADP_GAIN	-1
+#define	AUDPREPROC_CMD_ADP_GAIN_FLAG_ENA_STATIC_GAIN	0x0000
+
+#define	AUDPREPROC_CMD_PARAM_MASK_RMS_TAY	0x0004
+#define	AUDPREPROC_CMD_PARAM_MASK_RELEASEK	0x0005
+#define	AUDPREPROC_CMD_PARAM_MASK_DELAY		0x0006
+#define	AUDPREPROC_CMD_PARAM_MASK_ATTACKK	0x0007
+#define	AUDPREPROC_CMD_PARAM_MASK_LEAKRATE_SLOW	0x0008
+#define	AUDPREPROC_CMD_PARAM_MASK_LEAKRATE_FAST	0x0009
+#define	AUDPREPROC_CMD_PARAM_MASK_AIG_RELEASEK 	0x000A
+#define	AUDPREPROC_CMD_PARAM_MASK_AIG_MIN	0x000B
+#define	AUDPREPROC_CMD_PARAM_MASK_AIG_MAX	0x000C
+#define	AUDPREPROC_CMD_PARAM_MASK_LEAK_UP	0x000D
+#define	AUDPREPROC_CMD_PARAM_MASK_LEAK_DOWN	0x000E
+#define	AUDPREPROC_CMD_PARAM_MASK_AIG_ATTACKK	0x000F
+
+typedef struct {
+	unsigned short	cmd_id;
+	unsigned short	tx_agc_param_mask;
+	unsigned short	tx_agc_enable_flag;
+	unsigned short	static_gain;
+	signed short	adaptive_gain_flag;
+	unsigned short	expander_th;
+	unsigned short	expander_slope;
+	unsigned short	compressor_th;
+	unsigned short	compressor_slope;
+	unsigned short	param_mask;
+	unsigned short	aig_attackk;
+	unsigned short	aig_leak_down;
+	unsigned short	aig_leak_up;
+	unsigned short	aig_max;
+	unsigned short	aig_min;
+	unsigned short	aig_releasek;
+	unsigned short	aig_leakrate_fast;
+	unsigned short	aig_leakrate_slow;
+	unsigned short	attackk_msw;
+	unsigned short	attackk_lsw;
+	unsigned short	delay;
+	unsigned short	releasek_msw;
+	unsigned short	releasek_lsw;
+	unsigned short	rms_tav;
+} __attribute__((packed)) audpreproc_cmd_cfg_agc_params;
+
+
+/*
+ * Command to configure the params of Advanved AGC
+ */
+
+#define	AUDPREPROC_CMD_CFG_AGC_PARAMS_2		0x0001
+#define	AUDPREPROC_CMD_CFG_AGC_PARAMS_2_LEN		\
+	sizeof(audpreproc_cmd_cfg_agc_params_2)
+
+#define	AUDPREPROC_CMD_2_TX_AGC_ENA_FLAG_ENA	-1;
+#define	AUDPREPROC_CMD_2_TX_AGC_ENA_FLAG_DIS	0x0000;
+
+typedef struct {
+	unsigned short	cmd_id;
+	unsigned short	agc_param_mask;
+	signed short	tx_agc_enable_flag;
+	unsigned short	comp_static_gain;
+	unsigned short	exp_th;
+	unsigned short	exp_slope;
+	unsigned short	comp_th;
+	unsigned short	comp_slope;
+	unsigned short	comp_rms_tav;
+	unsigned short	comp_samp_mask;
+	unsigned short	comp_attackk_msw;
+	unsigned short	comp_attackk_lsw;
+	unsigned short	comp_releasek_msw;
+	unsigned short	comp_releasek_lsw;
+	unsigned short	comp_delay;
+	unsigned short	comp_makeup_gain;
+} __attribute__((packed)) audpreproc_cmd_cfg_agc_params_2;
+
+/*
+ * Command to configure params for ns
+ */
+
+#define	AUDPREPROC_CMD_CFG_NS_PARAMS		0x0002
+#define	AUDPREPROC_CMD_CFG_NS_PARAMS_LEN	\
+	sizeof(audpreproc_cmd_cfg_ns_params)
+
+#define	AUDPREPROC_CMD_EC_MODE_NEW_NLMS_ENA	0x0001
+#define	AUDPREPROC_CMD_EC_MODE_NEW_NLMS_DIS 	0x0000
+#define	AUDPREPROC_CMD_EC_MODE_NEW_DES_ENA	0x0002
+#define	AUDPREPROC_CMD_EC_MODE_NEW_DES_DIS	0x0000
+#define	AUDPREPROC_CMD_EC_MODE_NEW_NS_ENA	0x0004
+#define	AUDPREPROC_CMD_EC_MODE_NEW_NS_DIS	0x0000
+#define	AUDPREPROC_CMD_EC_MODE_NEW_CNI_ENA	0x0008
+#define	AUDPREPROC_CMD_EC_MODE_NEW_CNI_DIS	0x0000
+
+#define	AUDPREPROC_CMD_EC_MODE_NEW_NLES_ENA	0x0010
+#define	AUDPREPROC_CMD_EC_MODE_NEW_NLES_DIS	0x0000
+#define	AUDPREPROC_CMD_EC_MODE_NEW_HB_ENA	0x0020
+#define	AUDPREPROC_CMD_EC_MODE_NEW_HB_DIS	0x0000
+#define	AUDPREPROC_CMD_EC_MODE_NEW_VA_ENA	0x0040
+#define	AUDPREPROC_CMD_EC_MODE_NEW_VA_DIS	0x0000
+#define	AUDPREPROC_CMD_EC_MODE_NEW_PCD_ENA	0x0080
+#define	AUDPREPROC_CMD_EC_MODE_NEW_PCD_DIS	0x0000
+#define	AUDPREPROC_CMD_EC_MODE_NEW_FEHI_ENA	0x0100
+#define	AUDPREPROC_CMD_EC_MODE_NEW_FEHI_DIS 	0x0000
+#define	AUDPREPROC_CMD_EC_MODE_NEW_NEHI_ENA	0x0200
+#define	AUDPREPROC_CMD_EC_MODE_NEW_NEHI_DIS 	0x0000
+#define	AUDPREPROC_CMD_EC_MODE_NEW_NLPP_ENA	0x0400
+#define	AUDPREPROC_CMD_EC_MODE_NEW_NLPP_DIS	0x0000
+#define	AUDPREPROC_CMD_EC_MODE_NEW_FNE_ENA	0x0800
+#define	AUDPREPROC_CMD_EC_MODE_NEW_FNE_DIS	0x0000
+#define	AUDPREPROC_CMD_EC_MODE_NEW_PRENLMS_ENA 	0x1000
+#define	AUDPREPROC_CMD_EC_MODE_NEW_PRENLMS_DIS 	0x0000
+
+typedef struct {
+	unsigned short	cmd_id;
+	unsigned short	ec_mode_new;
+	unsigned short	dens_gamma_n;
+	unsigned short	dens_nfe_block_size;
+	unsigned short	dens_limit_ns;
+	unsigned short	dens_limit_ns_d;
+	unsigned short	wb_gamma_e;
+	unsigned short	wb_gamma_n;
+} __attribute__((packed)) audpreproc_cmd_cfg_ns_params;
+
+/*
+ * Command to configure parameters for IIR tuning filter
+ */
+
+#define	AUDPREPROC_CMD_CFG_IIR_TUNING_FILTER_PARAMS		0x0003
+#define	AUDPREPROC_CMD_CFG_IIR_TUNING_FILTER_PARAMS_LEN	\
+	sizeof(audpreproc_cmd_cfg_iir_tuning_filter_params)
+
+#define	AUDPREPROC_CMD_IIR_ACTIVE_FLAG_DIS	0x0000
+#define	AUDPREPROC_CMD_IIR_ACTIVE_FLAG_ENA	0x0001
+
+typedef struct {
+	unsigned short	cmd_id;
+	unsigned short	active_flag;
+	unsigned short	num_bands;
+	unsigned short	numerator_coeff_b0_filter0_lsw;
+	unsigned short	numerator_coeff_b0_filter0_msw;
+	unsigned short	numerator_coeff_b1_filter0_lsw;
+	unsigned short	numerator_coeff_b1_filter0_msw;
+	unsigned short	numerator_coeff_b2_filter0_lsw;
+	unsigned short	numerator_coeff_b2_filter0_msw;
+	unsigned short	numerator_coeff_b0_filter1_lsw;
+	unsigned short	numerator_coeff_b0_filter1_msw;
+	unsigned short	numerator_coeff_b1_filter1_lsw;
+	unsigned short	numerator_coeff_b1_filter1_msw;
+	unsigned short	numerator_coeff_b2_filter1_lsw;
+	unsigned short	numerator_coeff_b2_filter1_msw;
+	unsigned short	numerator_coeff_b0_filter2_lsw;
+	unsigned short	numerator_coeff_b0_filter2_msw;
+	unsigned short	numerator_coeff_b1_filter2_lsw;
+	unsigned short	numerator_coeff_b1_filter2_msw;
+	unsigned short	numerator_coeff_b2_filter2_lsw;
+	unsigned short	numerator_coeff_b2_filter2_msw;
+	unsigned short	numerator_coeff_b0_filter3_lsw;
+	unsigned short	numerator_coeff_b0_filter3_msw;
+	unsigned short	numerator_coeff_b1_filter3_lsw;
+	unsigned short	numerator_coeff_b1_filter3_msw;
+	unsigned short	numerator_coeff_b2_filter3_lsw;
+	unsigned short	numerator_coeff_b2_filter3_msw;
+	unsigned short 	denominator_coeff_a0_filter0_lsw;
+	unsigned short 	denominator_coeff_a0_filter0_msw;
+	unsigned short 	denominator_coeff_a1_filter0_lsw;
+	unsigned short 	denominator_coeff_a1_filter0_msw;
+	unsigned short 	denominator_coeff_a0_filter1_lsw;
+	unsigned short 	denominator_coeff_a0_filter1_msw;
+	unsigned short 	denominator_coeff_a1_filter1_lsw;
+	unsigned short 	denominator_coeff_a1_filter1_msw;
+  unsigned short 	denominator_coeff_a0_filter2_lsw;
+	unsigned short 	denominator_coeff_a0_filter2_msw;
+	unsigned short 	denominator_coeff_a1_filter2_lsw;
+	unsigned short 	denominator_coeff_a1_filter2_msw;
+  unsigned short 	denominator_coeff_a0_filter3_lsw;
+	unsigned short 	denominator_coeff_a0_filter3_msw;
+	unsigned short 	denominator_coeff_a1_filter3_lsw;
+	unsigned short 	denominator_coeff_a1_filter3_msw;
+
+	unsigned short	shift_factor_filter0;
+	unsigned short	shift_factor_filter1;
+	unsigned short	shift_factor_filter2;
+	unsigned short	shift_factor_filter3;
+
+	unsigned short	channel_selected0;
+	unsigned short	channel_selected1;
+	unsigned short	channel_selected2;
+	unsigned short	channel_selected3;
+} __attribute__((packed))audpreproc_cmd_cfg_iir_tuning_filter_params;
+
+#endif
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5audpreprocmsg.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5audpreprocmsg.h
new file mode 100644
index 000000000000..f40e41e76737
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5audpreprocmsg.h
@@ -0,0 +1,85 @@
+#ifndef QDSP5AUDPREPROCMSG_H
+#define QDSP5AUDPREPROCMSG_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+    A U D I O   P R E   P R O C E S S I N G  M E S S A G E S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of messages
+  that are rcvd by AUDPREPROC Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2008 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+ $Header: //source/qcom/qct/multimedia2/Audio/drivers/QDSP5Driver/QDSP5Interface/main/latest/qdsp5audpreprocmsg.h#3 $
+
+===========================================================================*/
+
+/*
+ * ADSPREPROCTASK Messages
+ * AUDPREPROCTASK uses audPreProcUpRlist to communicate with ARM
+ * Location	: MEMA
+ * Message Length  : 2
+ */
+
+/*
+ * Message to indicate particular feature has been enabled or disabled
+ */
+
+
+#define	AUDPREPROC_MSG_CMD_CFG_DONE_MSG	0x0000
+#define	AUDPREPROC_MSG_CMD_CFG_DONE_MSG_LEN	\
+	sizeof(audpreproc_msg_cmd_cfg_done_msg)
+
+#define	AUDPREPROC_MSG_TYPE_AGC			0x0000
+#define	AUDPREPROC_MSG_TYPE_NOISE_REDUCTION	0x0001
+#define	AUDPREPROC_MSG_TYPE_IIR_FILTER		0x0002
+
+
+#define	AUDPREPROC_MSG_STATUS_FLAG_ENA		-1
+#define	AUDPREPROC_MSG_STATUS_FLAG_DIS		0x0000
+
+typedef struct {
+	unsigned short	type;
+	signed short	status_flag;
+} __attribute__((packed)) audpreproc_msg_cmd_cfg_done_msg;
+
+
+/*
+ * Message to indicate particular feature has selected for wrong samp freq
+ */
+
+#define	AUDPREPROC_MSG_ERROR_MSG_ID		0x0001
+#define	AUDPREPROC_MSG_ERROR_MSG_ID_LEN	\
+	sizeof(audpreproc_msg_error_msg_id)
+
+#define	AUDPREPROC_MSG_ERR_INDEX_NS		0x0000
+
+typedef struct {
+	 unsigned short	err_index;
+} __attribute__((packed)) audpreproc_msg_error_msg_id;
+
+#endif
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5audreccmdi.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5audreccmdi.h
new file mode 100644
index 000000000000..d03ee024ae91
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5audreccmdi.h
@@ -0,0 +1,176 @@
+#ifndef QDSP5AUDRECCMDI_H
+#define QDSP5AUDRECCMDI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+    A U D I O   R E C O R D  I N T E R N A L  C O M M A N D S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of commands
+  that are accepted by AUDREC Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2008 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+ $Header: //source/qcom/qct/multimedia2/Audio/drivers/QDSP5Driver/QDSP5Interface/main/latest/qdsp5audreccmdi.h#3 $
+
+============================================================================*/
+
+/*
+ * AUDRECTASK COMMANDS
+ * ARM uses 2 queues to communicate with the AUDRECTASK
+ * 1.uPAudRecCmdQueue
+ * Location :MEMC
+ * Buffer Size : 8
+ * No of Buffers in a queue : 3
+ * 2.audRecUpBitStreamQueue
+ * Location : MEMC
+ * Buffer Size : 4
+ * No of buffers in a queue : 2
+ */
+
+/*
+ * Commands on uPAudRecCmdQueue
+ */
+
+/*
+ * Command to initiate and terminate the audio recording section
+ */
+
+#define AUDREC_CMD_CFG		0x0000
+#define	AUDREC_CMD_CFG_LEN	sizeof(audrec_cmd_cfg)
+
+#define	AUDREC_CMD_TYPE_0_INDEX_WAV	0x0000
+#define	AUDREC_CMD_TYPE_0_INDEX_AAC	0x0001
+
+#define AUDREC_CMD_TYPE_0_ENA		0x4000
+#define AUDREC_CMD_TYPE_0_DIS		0x0000
+
+#define AUDREC_CMD_TYPE_0_NOUPDATE	0x0000
+#define AUDREC_CMD_TYPE_0_UPDATE	0x8000
+
+#define	AUDREC_CMD_TYPE_1_INDEX_SBC	0x0002
+
+#define AUDREC_CMD_TYPE_1_ENA		0x4000
+#define AUDREC_CMD_TYPE_1_DIS		0x0000
+
+#define AUDREC_CMD_TYPE_1_NOUPDATE	0x0000
+#define AUDREC_CMD_TYPE_1_UPDATE	0x8000
+
+typedef struct {
+	unsigned short 	cmd_id;
+	unsigned short	type_0;
+	unsigned short	type_1;
+} __attribute__((packed)) audrec_cmd_cfg;
+
+
+/*
+ * Command to configure the recording parameters for RecType0(AAC/WAV) encoder
+ */
+
+#define	AUDREC_CMD_AREC0PARAM_CFG	0x0001
+#define	AUDREC_CMD_AREC0PARAM_CFG_LEN	\
+	sizeof(audrec_cmd_arec0param_cfg)
+
+#define	AUDREC_CMD_SAMP_RATE_INDX_8000		0x000B
+#define	AUDREC_CMD_SAMP_RATE_INDX_11025		0x000A
+#define	AUDREC_CMD_SAMP_RATE_INDX_12000		0x0009
+#define	AUDREC_CMD_SAMP_RATE_INDX_16000		0x0008
+#define	AUDREC_CMD_SAMP_RATE_INDX_22050		0x0007
+#define	AUDREC_CMD_SAMP_RATE_INDX_24000		0x0006
+#define	AUDREC_CMD_SAMP_RATE_INDX_32000		0x0005
+#define	AUDREC_CMD_SAMP_RATE_INDX_44100		0x0004
+#define	AUDREC_CMD_SAMP_RATE_INDX_48000		0x0003
+
+#define AUDREC_CMD_STEREO_MODE_MONO		0x0000
+#define AUDREC_CMD_STEREO_MODE_STEREO		0x0001
+
+typedef struct {
+	unsigned short 	cmd_id;
+	unsigned short	ptr_to_extpkt_buffer_msw;
+	unsigned short	ptr_to_extpkt_buffer_lsw;
+	unsigned short	buf_len;
+	unsigned short	samp_rate_index;
+	unsigned short	stereo_mode;
+	unsigned short 	rec_quality;
+} __attribute__((packed)) audrec_cmd_arec0param_cfg;
+
+/*
+ * Command to configure the recording parameters for RecType1(SBC) encoder
+ */
+
+#define AUDREC_CMD_AREC1PARAM_CFG	0x0002
+#define AUDREC_CMD_AREC1PARAM_CFG_LEN	\
+	sizeof(audrec_cmd_arec1param_cfg)
+
+#define AUDREC_CMD_PARAM_BUF_BLOCKS_4	0x0000
+#define AUDREC_CMD_PARAM_BUF_BLOCKS_8	0x0001
+#define AUDREC_CMD_PARAM_BUF_BLOCKS_12	0x0002
+#define AUDREC_CMD_PARAM_BUF_BLOCKS_16	0x0003
+
+#define AUDREC_CMD_PARAM_BUF_SUB_BANDS_8	0x0010
+#define AUDREC_CMD_PARAM_BUF_MODE_MONO		0x0000
+#define AUDREC_CMD_PARAM_BUF_MODE_DUAL		0x0040
+#define AUDREC_CMD_PARAM_BUF_MODE_STEREO	0x0050
+#define AUDREC_CMD_PARAM_BUF_MODE_JSTEREO	0x0060
+#define AUDREC_CMD_PARAM_BUF_LOUDNESS		0x0000
+#define AUDREC_CMD_PARAM_BUF_SNR		0x0100
+#define AUDREC_CMD_PARAM_BUF_BASIC_VER		0x0000
+
+typedef struct {
+	unsigned short 	cmd_id;
+	unsigned short	ptr_to_extpkt_buffer_msw;
+	unsigned short	ptr_to_extpkt_buffer_lsw;
+	unsigned short	buf_len;
+	unsigned short	param_buf;
+	unsigned short	bit_rate_0;
+	unsigned short	bit_rate_1;
+} __attribute__((packed)) audrec_cmd_arec1param_cfg;
+
+
+/*
+ * Commands on audRecUpBitStreamQueue
+ */
+
+/*
+ * Command to indicate the current packet read count
+ */
+
+#define AUDREC_CMD_PACKET_EXT_PTR		0x0000
+#define AUDREC_CMD_PACKET_EXT_PTR_LEN	\
+	sizeof(audrec_cmd_packet_ext_ptr)
+
+#define AUDREC_CMD_TYPE_0	0x0000
+#define AUDREC_CMD_TYPE_1	0x0001
+
+typedef struct {
+	unsigned short  cmd_id;
+	unsigned short	type;
+	unsigned short 	curr_rec_count_msw;
+	unsigned short 	curr_rec_count_lsw;
+} __attribute__((packed)) audrec_cmd_packet_ext_ptr;
+
+#endif
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5audrecmsg.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5audrecmsg.h
new file mode 100644
index 000000000000..bb6eb5093cf5
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5audrecmsg.h
@@ -0,0 +1,127 @@
+#ifndef QDSP5AUDRECMSGI_H
+#define QDSP5AUDRECMSGI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+    A U D I O   R E C O R D  M E S S A G E S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of messages
+  that are sent by AUDREC Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2008 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+ $Header: //source/qcom/qct/multimedia2/Audio/drivers/QDSP5Driver/QDSP5Interface/main/latest/qdsp5audrecmsg.h#3 $
+
+============================================================================*/
+
+/*
+ * AUDRECTASK MESSAGES
+ * AUDRECTASK uses audRecUpRlist to communicate with ARM
+ * Location : MEMC
+ * Buffer size : 4
+ * No of buffers in a queue : 2
+ */
+
+/*
+ * Message to notify that config command is done
+ */
+
+#define AUDREC_MSG_CMD_CFG_DONE_MSG	0x0002
+#define AUDREC_MSG_CMD_CFG_DONE_MSG_LEN	\
+	sizeof(audrec_msg_cmd_cfg_done_msg)
+
+
+#define AUDREC_MSG_CFG_DONE_TYPE_0_ENA		0x4000
+#define AUDREC_MSG_CFG_DONE_TYPE_0_DIS		0x0000
+
+#define AUDREC_MSG_CFG_DONE_TYPE_0_NO_UPDATE	0x0000
+#define AUDREC_MSG_CFG_DONE_TYPE_0_UPDATE	0x8000
+
+#define AUDREC_MSG_CFG_DONE_TYPE_1_ENA		0x4000
+#define AUDREC_MSG_CFG_DONE_TYPE_1_DIS		0x0000
+
+#define AUDREC_MSG_CFG_DONE_TYPE_1_NO_UPDATE	0x0000
+#define AUDREC_MSG_CFG_DONE_TYPE_1_UPDATE	0x8000
+
+typedef struct {
+	unsigned short	type_0;
+	unsigned short	type_1;
+} __attribute__((packed))audrec_msg_cmd_cfg_done_msg;
+
+
+/*
+ * Message to notify arec0/1 cfg done and recording params revd by task
+ */
+
+#define	AUDREC_MSG_CMD_AREC_PARAM_CFG_DONE_MSG		0x0003
+#define	AUDREC_MSG_CMD_AREC_PARAM_CFG_DONE_MSG_LEN	\
+	sizeof(audrec_msg_cmd_arec_param_cfg_done_msg)
+
+#define	AUDREC_MSG_AREC_PARAM_TYPE_0	0x0000
+#define	AUDREC_MSG_AREC_PARAM_TYPE_1	0x0001
+
+typedef struct {
+	unsigned short	type;
+} __attribute__((packed))audrec_msg_cmd_arec_param_cfg_done_msg;
+
+
+/*
+ * Message to notify no more buffers are available in ext mem to DME
+ */
+
+#define AUDREC_MSG_FATAL_ERR_MSG		0x0004
+#define AUDREC_MSG_FATAL_ERR_MSG_LEN	\
+	sizeof(audrec_msg_fatal_err_msg)
+
+#define AUDREC_MSG_FATAL_ERR_TYPE_0	0x0000
+#define AUDREC_MSG_FATAL_ERR_TYPE_1	0x0001
+
+typedef struct {
+	unsigned short	type;
+} __attribute__((packed))audrec_msg_fatal_err_msg;
+
+/*
+ * Message to notify DME deliverd the encoded pkt to ext pkt buffer
+ */
+
+#define AUDREC_MSG_PACKET_READY_MSG		0x0005
+#define AUDREC_MSG_PACKET_READY_MSG_LEN	\
+	sizeof(audrec_msg_packet_ready_msg)
+
+#define AUDREC_MSG_PACKET_READY_TYPE_0	0x0000
+#define AUDREC_MSG_PACKET_READY_TYPE_1	0x0001
+
+typedef struct {
+	unsigned short	type;
+	unsigned short	pkt_counter_msw;
+	unsigned short	pkt_counter_lsw;
+	unsigned short	pkt_read_cnt_msw;
+	unsigned short	pkt_read_cnt_lsw;
+} __attribute__((packed))audrec_msg_packet_ready_msg;
+
+#endif
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5jpegcmdi.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5jpegcmdi.h
new file mode 100644
index 000000000000..574ad6bbcade
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5jpegcmdi.h
@@ -0,0 +1,376 @@
+#ifndef QDSP5VIDJPEGCMDI_H
+#define QDSP5VIDJPEGCMDI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+    J P E G  I N T E R N A L  C O M M A N D S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of commands
+  that are accepted by JPEG Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2008 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+$Header: //source/qcom/qct/multimedia2/AdspSvc/7XXX/qdsp5cmd/video/qdsp5jpegcmdi.h#2 $ $DateTime: 2008/07/30 10:50:23 $ $Author: pavanr $
+Revision History:
+when       who     what, where, why
+--------   ---     ----------------------------------------------------------
+06/09/08   sv      initial version
+===========================================================================*/
+
+/*
+ * ARM to JPEG configuration commands are passed through the
+ * uPJpegCfgCmdQueue
+ */
+
+/*
+ * Command to configure JPEG Encoder
+ */
+
+#define	JPEG_CMD_ENC_CFG		0x0000
+#define	JPEG_CMD_ENC_CFG_LEN	sizeof(jpeg_cmd_enc_cfg)
+
+#define	JPEG_CMD_ENC_PROCESS_CFG_OP_ROTATION_0		0x0000
+#define	JPEG_CMD_ENC_PROCESS_CFG_OP_ROTATION_90		0x0100
+#define	JPEG_CMD_ENC_PROCESS_CFG_OP_ROTATION_180	0x0200
+#define	JPEG_CMD_ENC_PROCESS_CFG_OP_ROTATION_270	0x0300
+#define	JPEG_CMD_ENC_PROCESS_CFG_IP_DATA_FORMAT_M	0x0003
+#define	JPEG_CMD_ENC_PROCESS_CFG_IP_DATA_FORMAT_H2V2	0x0000
+#define	JPEG_CMD_ENC_PROCESS_CFG_IP_DATA_FORMAT_H2V1	0x0001
+#define	JPEG_CMD_ENC_PROCESS_CFG_IP_DATA_FORMAT_H1V2	0x0002
+
+#define	JPEG_CMD_IP_SIZE_CFG_LUMA_HEIGHT_M		0x0000FFFF
+#define	JPEG_CMD_IP_SIZE_CFG_LUMA_WIDTH_M		0xFFFF0000
+#define	JPEG_CMD_ENC_UPSAMP_IP_SIZE_CFG_ENA		0x0001
+#define	JPEG_CMD_ENC_UPSAMP_IP_SIZE_CFG_DIS		0x0000
+
+#define	JPEG_CMD_FRAG_SIZE_LUMA_HEIGHT_M		0xFFFF
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	process_cfg;
+	unsigned int	ip_size_cfg;
+	unsigned int	op_size_cfg;
+	unsigned int	frag_cfg;
+	unsigned int	frag_cfg_part[16];
+
+	unsigned int    part_num;
+
+	unsigned int	op_buf_0_cfg_part1;
+	unsigned int	op_buf_0_cfg_part2;
+	unsigned int	op_buf_1_cfg_part1;
+	unsigned int	op_buf_1_cfg_part2;
+
+	unsigned int	luma_qunt_table[32];
+	unsigned int	chroma_qunt_table[32];
+
+	unsigned int	upsamp_ip_size_cfg;
+	unsigned int	upsamp_ip_frame_off;
+	unsigned int	upsamp_pp_filter_coeff[64];
+} __attribute__((packed)) jpeg_cmd_enc_cfg;
+
+/*
+ * Command to configure JPEG Decoder
+ */
+
+#define	JPEG_CMD_DEC_CFG		0x0001
+#define	JPEG_CMD_DEC_CFG_LEN		sizeof(jpeg_cmd_dec_cfg)
+
+#define	JPEG_CMD_DEC_OP_DATA_FORMAT_M		0x0001
+#define JPEG_CMD_DEC_OP_DATA_FORMAT_H2V2	0x0000
+#define JPEG_CMD_DEC_OP_DATA_FORMAT_H2V1	0x0001
+
+#define JPEG_CMD_DEC_OP_DATA_FORMAT_SCALE_FACTOR_8	0x000000
+#define JPEG_CMD_DEC_OP_DATA_FORMAT_SCALE_FACTOR_4	0x010000
+#define JPEG_CMD_DEC_OP_DATA_FORMAT_SCALE_FACTOR_2	0x020000
+#define JPEG_CMD_DEC_OP_DATA_FORMAT_SCALE_FACTOR_1	0x030000
+
+#define	JPEG_CMD_DEC_IP_STREAM_BUF_CFG_PART3_NOT_FINAL	0x0000
+#define	JPEG_CMD_DEC_IP_STREAM_BUF_CFG_PART3_FINAL	0x0001
+
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	img_dimension_cfg;
+	unsigned int	op_data_format;
+	unsigned int	restart_interval;
+	unsigned int	ip_buf_partition_num;
+	unsigned int	ip_stream_buf_cfg_part1;
+	unsigned int	ip_stream_buf_cfg_part2;
+	unsigned int	ip_stream_buf_cfg_part3;
+	unsigned int	op_stream_buf_0_cfg_part1;
+	unsigned int	op_stream_buf_0_cfg_part2;
+	unsigned int	op_stream_buf_0_cfg_part3;
+	unsigned int	op_stream_buf_1_cfg_part1;
+	unsigned int	op_stream_buf_1_cfg_part2;
+	unsigned int	op_stream_buf_1_cfg_part3;
+	unsigned int	luma_qunt_table_0_3;
+	unsigned int	luma_qunt_table_4_7;
+	unsigned int	luma_qunt_table_8_11;
+	unsigned int	luma_qunt_table_12_15;
+	unsigned int	luma_qunt_table_16_19;
+	unsigned int	luma_qunt_table_20_23;
+	unsigned int	luma_qunt_table_24_27;
+	unsigned int	luma_qunt_table_28_31;
+	unsigned int	luma_qunt_table_32_35;
+	unsigned int	luma_qunt_table_36_39;
+	unsigned int	luma_qunt_table_40_43;
+	unsigned int	luma_qunt_table_44_47;
+	unsigned int	luma_qunt_table_48_51;
+	unsigned int	luma_qunt_table_52_55;
+	unsigned int	luma_qunt_table_56_59;
+	unsigned int	luma_qunt_table_60_63;
+	unsigned int	chroma_qunt_table_0_3;
+	unsigned int	chroma_qunt_table_4_7;
+	unsigned int	chroma_qunt_table_8_11;
+	unsigned int	chroma_qunt_table_12_15;
+	unsigned int	chroma_qunt_table_16_19;
+	unsigned int	chroma_qunt_table_20_23;
+	unsigned int	chroma_qunt_table_24_27;
+	unsigned int	chroma_qunt_table_28_31;
+	unsigned int	chroma_qunt_table_32_35;
+	unsigned int	chroma_qunt_table_36_39;
+	unsigned int	chroma_qunt_table_40_43;
+	unsigned int	chroma_qunt_table_44_47;
+	unsigned int	chroma_qunt_table_48_51;
+	unsigned int	chroma_qunt_table_52_55;
+	unsigned int	chroma_qunt_table_56_59;
+	unsigned int	chroma_qunt_table_60_63;
+	unsigned int	luma_dc_hm_code_cnt_table_0_3;
+	unsigned int	luma_dc_hm_code_cnt_table_4_7;
+	unsigned int	luma_dc_hm_code_cnt_table_8_11;
+	unsigned int	luma_dc_hm_code_cnt_table_12_15;
+	unsigned int	luma_dc_hm_code_val_table_0_3;
+	unsigned int	luma_dc_hm_code_val_table_4_7;
+	unsigned int	luma_dc_hm_code_val_table_8_11;
+	unsigned int	chroma_dc_hm_code_cnt_table_0_3;
+	unsigned int	chroma_dc_hm_code_cnt_table_4_7;
+	unsigned int	chroma_dc_hm_code_cnt_table_8_11;
+	unsigned int	chroma_dc_hm_code_cnt_table_12_15;
+	unsigned int	chroma_dc_hm_code_val_table_0_3;
+	unsigned int	chroma_dc_hm_code_val_table_4_7;
+	unsigned int	chroma_dc_hm_code_val_table_8_11;
+	unsigned int	luma_ac_hm_code_cnt_table_0_3;
+	unsigned int	luma_ac_hm_code_cnt_table_4_7;
+	unsigned int	luma_ac_hm_code_cnt_table_8_11;
+	unsigned int	luma_ac_hm_code_cnt_table_12_15;
+	unsigned int	luma_ac_hm_code_val_table_0_3;
+	unsigned int	luma_ac_hm_code_val_table_4_7;
+	unsigned int	luma_ac_hm_code_val_table_8_11;
+	unsigned int	luma_ac_hm_code_val_table_12_15;
+	unsigned int	luma_ac_hm_code_val_table_16_19;
+	unsigned int	luma_ac_hm_code_val_table_20_23;
+	unsigned int	luma_ac_hm_code_val_table_24_27;
+	unsigned int	luma_ac_hm_code_val_table_28_31;
+	unsigned int	luma_ac_hm_code_val_table_32_35;
+	unsigned int	luma_ac_hm_code_val_table_36_39;
+	unsigned int	luma_ac_hm_code_val_table_40_43;
+	unsigned int	luma_ac_hm_code_val_table_44_47;
+	unsigned int	luma_ac_hm_code_val_table_48_51;
+	unsigned int	luma_ac_hm_code_val_table_52_55;
+	unsigned int	luma_ac_hm_code_val_table_56_59;
+	unsigned int	luma_ac_hm_code_val_table_60_63;
+	unsigned int	luma_ac_hm_code_val_table_64_67;
+	unsigned int	luma_ac_hm_code_val_table_68_71;
+	unsigned int	luma_ac_hm_code_val_table_72_75;
+	unsigned int	luma_ac_hm_code_val_table_76_79;
+	unsigned int	luma_ac_hm_code_val_table_80_83;
+	unsigned int	luma_ac_hm_code_val_table_84_87;
+	unsigned int	luma_ac_hm_code_val_table_88_91;
+	unsigned int	luma_ac_hm_code_val_table_92_95;
+	unsigned int	luma_ac_hm_code_val_table_96_99;
+	unsigned int	luma_ac_hm_code_val_table_100_103;
+	unsigned int	luma_ac_hm_code_val_table_104_107;
+	unsigned int	luma_ac_hm_code_val_table_108_111;
+	unsigned int	luma_ac_hm_code_val_table_112_115;
+	unsigned int	luma_ac_hm_code_val_table_116_119;
+	unsigned int	luma_ac_hm_code_val_table_120_123;
+	unsigned int	luma_ac_hm_code_val_table_124_127;
+	unsigned int	luma_ac_hm_code_val_table_128_131;
+	unsigned int	luma_ac_hm_code_val_table_132_135;
+	unsigned int	luma_ac_hm_code_val_table_136_139;
+	unsigned int	luma_ac_hm_code_val_table_140_143;
+	unsigned int	luma_ac_hm_code_val_table_144_147;
+	unsigned int	luma_ac_hm_code_val_table_148_151;
+	unsigned int	luma_ac_hm_code_val_table_152_155;
+	unsigned int	luma_ac_hm_code_val_table_156_159;
+	unsigned int	luma_ac_hm_code_val_table_160_161;
+	unsigned int	chroma_ac_hm_code_cnt_table_0_3;
+	unsigned int	chroma_ac_hm_code_cnt_table_4_7;
+	unsigned int	chroma_ac_hm_code_cnt_table_8_11;
+	unsigned int	chroma_ac_hm_code_cnt_table_12_15;
+	unsigned int	chroma_ac_hm_code_val_table_0_3;
+	unsigned int	chroma_ac_hm_code_val_table_4_7;
+	unsigned int	chroma_ac_hm_code_val_table_8_11;
+	unsigned int	chroma_ac_hm_code_val_table_12_15;
+	unsigned int	chroma_ac_hm_code_val_table_16_19;
+	unsigned int	chroma_ac_hm_code_val_table_20_23;
+	unsigned int	chroma_ac_hm_code_val_table_24_27;
+	unsigned int	chroma_ac_hm_code_val_table_28_31;
+	unsigned int	chroma_ac_hm_code_val_table_32_35;
+	unsigned int	chroma_ac_hm_code_val_table_36_39;
+	unsigned int	chroma_ac_hm_code_val_table_40_43;
+	unsigned int	chroma_ac_hm_code_val_table_44_47;
+	unsigned int	chroma_ac_hm_code_val_table_48_51;
+	unsigned int	chroma_ac_hm_code_val_table_52_55;
+	unsigned int	chroma_ac_hm_code_val_table_56_59;
+	unsigned int	chroma_ac_hm_code_val_table_60_63;
+	unsigned int	chroma_ac_hm_code_val_table_64_67;
+	unsigned int	chroma_ac_hm_code_val_table_68_71;
+	unsigned int	chroma_ac_hm_code_val_table_72_75;
+	unsigned int	chroma_ac_hm_code_val_table_76_79;
+	unsigned int	chroma_ac_hm_code_val_table_80_83;
+	unsigned int	chroma_ac_hm_code_val_table_84_87;
+	unsigned int	chroma_ac_hm_code_val_table_88_91;
+	unsigned int	chroma_ac_hm_code_val_table_92_95;
+	unsigned int	chroma_ac_hm_code_val_table_96_99;
+	unsigned int	chroma_ac_hm_code_val_table_100_103;
+	unsigned int	chroma_ac_hm_code_val_table_104_107;
+	unsigned int	chroma_ac_hm_code_val_table_108_111;
+	unsigned int	chroma_ac_hm_code_val_table_112_115;
+	unsigned int	chroma_ac_hm_code_val_table_116_119;
+	unsigned int	chroma_ac_hm_code_val_table_120_123;
+	unsigned int	chroma_ac_hm_code_val_table_124_127;
+	unsigned int	chroma_ac_hm_code_val_table_128_131;
+	unsigned int	chroma_ac_hm_code_val_table_132_135;
+	unsigned int	chroma_ac_hm_code_val_table_136_139;
+	unsigned int	chroma_ac_hm_code_val_table_140_143;
+	unsigned int	chroma_ac_hm_code_val_table_144_147;
+	unsigned int	chroma_ac_hm_code_val_table_148_151;
+	unsigned int	chroma_ac_hm_code_val_table_152_155;
+	unsigned int	chroma_ac_hm_code_val_table_156_159;
+	unsigned int	chroma_ac_hm_code_val_table_160_161;
+} __attribute__((packed)) jpeg_cmd_dec_cfg;
+
+
+/*
+ * ARM to JPEG configuration commands are passed through the
+ * uPJpegActionCmdQueue
+ */
+
+/*
+ * Command to start the encode process
+ */
+
+#define	JPEG_CMD_ENC_ENCODE		0x0000
+#define	JPEG_CMD_ENC_ENCODE_LEN		sizeof(jpeg_cmd_enc_encode)
+
+
+typedef struct {
+	unsigned short	cmd_id;
+} __attribute__((packed)) jpeg_cmd_enc_encode;
+
+
+/*
+ * Command to transition from current state of encoder to IDLE state
+ */
+
+#define	JPEG_CMD_ENC_IDLE		0x0001
+#define	JPEG_CMD_ENC_IDLE_LEN		sizeof(jpeg_cmd_enc_idle)
+
+
+typedef struct {
+	unsigned short	cmd_id;
+} __attribute__((packed)) jpeg_cmd_enc_idle;
+
+
+/*
+ * Command to inform the encoder that another buffer is ready
+ */
+
+#define	JPEG_CMD_ENC_OP_CONSUMED	0x0002
+#define	JPEG_CMD_ENC_OP_CONSUMED_LEN	sizeof(jpeg_cmd_enc_op_consumed)
+
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	op_buf_addr;
+	unsigned int	op_buf_size;
+} __attribute__((packed)) jpeg_cmd_enc_op_consumed;
+
+
+/*
+ * Command to start the decoding process
+ */
+
+#define	JPEG_CMD_DEC_DECODE		0x0003
+#define	JPEG_CMD_DEC_DECODE_LEN	sizeof(jpeg_cmd_dec_decode)
+
+
+typedef struct {
+	unsigned short	cmd_id;
+} __attribute__((packed)) jpeg_cmd_dec_decode;
+
+
+/*
+ * Command to transition from the current state of decoder to IDLE
+ */
+
+#define	JPEG_CMD_DEC_IDLE	0x0004
+#define	JPEG_CMD_DEC_IDLE_LEN	sizeof(jpeg_cmd_dec_idle)
+
+
+typedef struct {
+	unsigned short	cmd_id;
+} __attribute__((packed)) jpeg_cmd_dec_idle;
+
+
+/*
+ * Command to inform that an op buffer is ready for use
+ */
+
+#define	JPEG_CMD_DEC_OP_CONSUMED	0x0005
+#define	JPEG_CMD_DEC_OP_CONSUMED_LEN	sizeof(jpeg_cmd_dec_op_consumed)
+
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	luma_op_buf_addr;
+	unsigned int	luma_op_buf_size;
+	unsigned int	chroma_op_buf_addr;
+} __attribute__((packed)) jpeg_cmd_dec_op_consumed;
+
+
+/*
+ * Command to pass a new ip buffer to the jpeg decoder
+ */
+
+#define	JPEG_CMD_DEC_IP	0x0006
+#define	JPEG_CMD_DEC_IP_LEN	sizeof(jpeg_cmd_dec_ip_len)
+
+#define	JPEG_CMD_EOI_INDICATOR_NOT_END	0x0000
+#define	JPEG_CMD_EOI_INDICATOR_END	0x0001
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	ip_buf_addr;
+	unsigned int	ip_buf_size;
+	unsigned int	eoi_indicator;
+} __attribute__((packed)) jpeg_cmd_dec_ip;
+
+
+
+#endif
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5jpegmsg.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5jpegmsg.h
new file mode 100644
index 000000000000..d11aa3fbccb6
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5jpegmsg.h
@@ -0,0 +1,177 @@
+#ifndef QDSP5VIDJPEGMSGI_H
+#define QDSP5VIDJPEGMSGI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+   J P E G  I N T E R N A L  M E S S A G E S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of messages
+  that are sent by JPEG Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2008 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+$Header: //source/qcom/qct/multimedia2/AdspSvc/7XXX/qdsp5cmd/video/qdsp5jpegmsg.h#2 $ $DateTime: 2008/07/30 10:50:23 $ $Author: pavanr $
+Revision History:
+
+when       who     what, where, why
+--------   ---     ----------------------------------------------------------
+05/10/08   sv      initial version
+===========================================================================*/
+
+/*
+ * Messages from JPEG task to ARM through jpeguPMsgQueue
+ */
+
+/*
+ * Message is ACK for CMD_JPEGE_ENCODE cmd
+ */
+
+#define	JPEG_MSG_ENC_ENCODE_ACK	0x0000
+#define	JPEG_MSG_ENC_ENCODE_ACK_LEN	\
+	sizeof(jpeg_msg_enc_encode_ack)
+
+typedef struct {
+} __attribute__((packed)) jpeg_msg_enc_encode_ack;
+
+
+/*
+ * Message informs the up when op buffer is ready for consumption and
+ * when encoding is complete or errors
+ */
+
+#define	JPEG_MSG_ENC_OP_PRODUCED	0x0001
+#define	JPEG_MSG_ENC_OP_PRODUCED_LEN	\
+	sizeof(jpeg_msg_enc_op_produced)
+
+#define	JPEG_MSGOP_OP_BUF_STATUS_ENC_DONE_PROGRESS	0x0000
+#define	JPEG_MSGOP_OP_BUF_STATUS_ENC_DONE_COMPLETE	0x0001
+#define	JPEG_MSGOP_OP_BUF_STATUS_ENC_ERR		0x10000
+
+typedef struct {
+	unsigned int	op_buf_addr;
+	unsigned int	op_buf_size;
+	unsigned int	op_buf_status;
+} __attribute__((packed)) jpeg_msg_enc_op_produced;
+
+
+/*
+ * Message to ack CMD_JPEGE_IDLE
+ */
+
+#define	JPEG_MSG_ENC_IDLE_ACK	0x0002
+#define	JPEG_MSG_ENC_IDLE_ACK_LEN	sizeof(jpeg_msg_enc_idle_ack)
+
+
+typedef struct {
+} __attribute__ ((packed)) jpeg_msg_enc_idle_ack;
+
+
+/*
+ * Message to indicate the illegal command
+ */
+
+#define	JPEG_MSG_ENC_ILLEGAL_COMMAND	0x0003
+#define	JPEG_MSG_ENC_ILLEGAL_COMMAND_LEN	\
+	sizeof(jpeg_msg_enc_illegal_command)
+
+typedef struct {
+	unsigned int	status;
+} __attribute__((packed)) jpeg_msg_enc_illegal_command;
+
+
+/*
+ * Message to ACK CMD_JPEGD_DECODE
+ */
+
+#define	JPEG_MSG_DEC_DECODE_ACK		0x0004
+#define	JPEG_MSG_DEC_DECODE_ACK_LEN	\
+	sizeof(jpeg_msg_dec_decode_ack)
+
+
+typedef struct {
+} __attribute__((packed)) jpeg_msg_dec_decode_ack;
+
+
+/*
+ * Message to inform up that an op buffer is ready for consumption and when
+ * decoding is complete or an error occurs
+ */
+
+#define	JPEG_MSG_DEC_OP_PRODUCED		0x0005
+#define	JPEG_MSG_DEC_OP_PRODUCED_LEN	\
+	sizeof(jpeg_msg_dec_op_produced)
+
+#define	JPEG_MSG_DEC_OP_BUF_STATUS_PROGRESS	0x0000
+#define	JPEG_MSG_DEC_OP_BUF_STATUS_DONE		0x0001
+
+typedef struct {
+	unsigned int	luma_op_buf_addr;
+	unsigned int	chroma_op_buf_addr;
+	unsigned int	num_mcus;
+	unsigned int	op_buf_status;
+} __attribute__((packed)) jpeg_msg_dec_op_produced;
+
+/*
+ * Message to ack CMD_JPEGD_IDLE cmd
+ */
+
+#define	JPEG_MSG_DEC_IDLE_ACK	0x0006
+#define	JPEG_MSG_DEC_IDLE_ACK_LEN	sizeof(jpeg_msg_dec_idle_ack)
+
+
+typedef struct {
+} __attribute__((packed)) jpeg_msg_dec_idle_ack;
+
+
+/*
+ * Message to indicate illegal cmd was received
+ */
+
+#define	JPEG_MSG_DEC_ILLEGAL_COMMAND	0x0007
+#define	JPEG_MSG_DEC_ILLEGAL_COMMAND_LEN	\
+	sizeof(jpeg_msg_dec_illegal_command)
+
+
+typedef struct {
+	unsigned int	status;
+} __attribute__((packed)) jpeg_msg_dec_illegal_command;
+
+/*
+ * Message to request up for the next segment of ip bit stream
+ */
+
+#define	JPEG_MSG_DEC_IP_REQUEST		0x0008
+#define	JPEG_MSG_DEC_IP_REQUEST_LEN	\
+	sizeof(jpeg_msg_dec_ip_request)
+
+
+typedef struct {
+} __attribute__((packed)) jpeg_msg_dec_ip_request;
+
+
+
+#endif
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5lpmcmdi.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5lpmcmdi.h
new file mode 100644
index 000000000000..6c76e2c20cf4
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5lpmcmdi.h
@@ -0,0 +1,82 @@
+#ifndef QDSP5LPMCMDI_H
+#define QDSP5LPMCMDI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+    L P M   I N T E R N A L   C O M M A N D S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of commands
+  that are accepted by LPM Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2008 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+
+$Header: //source/qcom/qct/multimedia2/AdspSvc/7XXX/qdsp5cmd/video/qdsp5lpmcmdi.h#2 $ $DateTime: 2008/07/30 10:50:23 $ $Author: pavanr $
+Revision History:
+
+when       who     what, where, why
+--------   ---     ----------------------------------------------------------
+06/12/08   sv      initial version
+===========================================================================*/
+
+
+/*
+ * Command to start LPM processing based on the config params
+ */
+
+#define	LPM_CMD_START		0x0000
+#define	LPM_CMD_START_LEN	sizeof(lpm_cmd_start)
+
+#define	LPM_CMD_SPATIAL_FILTER_PART_OPMODE_0	0x00000000
+#define	LPM_CMD_SPATIAL_FILTER_PART_OPMODE_1	0x00010000
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	ip_data_cfg_part1;
+	unsigned int	ip_data_cfg_part2;
+	unsigned int	ip_data_cfg_part3;
+	unsigned int	ip_data_cfg_part4;
+	unsigned int	op_data_cfg_part1;
+	unsigned int	op_data_cfg_part2;
+	unsigned int	op_data_cfg_part3;
+	unsigned int	spatial_filter_part[32];
+} __attribute__((packed)) lpm_cmd_start;
+
+
+
+/*
+ * Command to stop LPM processing
+ */
+
+#define	LPM_CMD_IDLE		0x0001
+#define	LPM_CMD_IDLE_LEN	sizeof(lpm_cmd_idle)
+
+typedef struct {
+	unsigned int	cmd_id;
+} __attribute__((packed)) lpm_cmd_idle;
+
+
+#endif
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5lpmmsg.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5lpmmsg.h
new file mode 100644
index 000000000000..3d1039d6ba42
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5lpmmsg.h
@@ -0,0 +1,80 @@
+#ifndef QDSP5LPMMSGI_H
+#define QDSP5LPMMSGI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+    L P M   I N T E R N A L   M E S S A G E S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of commands
+  that are accepted by LPM Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2008 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+$Header: //source/qcom/qct/multimedia2/AdspSvc/7XXX/qdsp5cmd/video/qdsp5lpmmsg.h#2 $ $DateTime: 2008/07/30 10:50:23 $ $Author: pavanr $
+Revision History:
+
+when       who     what, where, why
+--------   ---     ----------------------------------------------------------
+06/12/08   sv      initial version
+===========================================================================*/
+
+/*
+ * Message to acknowledge CMD_LPM_IDLE command
+ */
+
+#define	LPM_MSG_IDLE_ACK	0x0000
+#define	LPM_MSG_IDLE_ACK_LEN	sizeof(lpm_msg_idle_ack)
+
+typedef struct {
+} __attribute__((packed)) lpm_msg_idle_ack;
+
+
+/*
+ * Message to acknowledge CMD_LPM_START command
+ */
+
+
+#define	LPM_MSG_START_ACK	0x0001
+#define	LPM_MSG_START_ACK_LEN	sizeof(lpm_msg_start_ack)
+
+
+typedef struct {
+} __attribute__((packed)) lpm_msg_start_ack;
+
+
+/*
+ * Message to notify the ARM that LPM processing is complete
+ */
+
+#define	LPM_MSG_DONE		0x0002
+#define	LPM_MSG_DONE_LEN	sizeof(lpm_msg_done)
+
+typedef struct {
+} __attribute__((packed)) lpm_msg_done;
+
+
+#endif
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5vdeccmdi.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5vdeccmdi.h
new file mode 100644
index 000000000000..3a32ee99c6e4
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5vdeccmdi.h
@@ -0,0 +1,235 @@
+#ifndef QDSP5VIDDECCMDI_H
+#define QDSP5VIDDECCMDI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+    V I D E O  D E C O D E R  I N T E R N A L  C O M M A N D S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of commands
+  that are accepted by VIDDEC Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2008 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+$Header: //source/qcom/qct/multimedia2/AdspSvc/7XXX/qdsp5cmd/video/qdsp5vdeccmdi.h#2 $ $DateTime: 2008/07/30 10:50:23 $ $Author: pavanr $
+Revision History:
+
+when       who     what, where, why
+--------   ---     ----------------------------------------------------------
+05/10/08   ac      initial version
+===========================================================================*/
+
+
+/*
+ * Command to inform VIDDEC that new subframe packet is ready
+ */
+
+#define	VIDDEC_CMD_SUBFRAME_PKT		0x0000
+#define	VIDDEC_CMD_SUBFRAME_PKT_LEN \
+	sizeof(viddec_cmd_subframe_pkt)
+
+#define	VIDDEC_CMD_SF_INFO_1_DM_DMA_STATS_EXCHANGE_FLAG_DM		0x0000
+#define	VIDDEC_CMD_SF_INFO_1_DM_DMA_STATS_EXCHANGE_FLAG_DMA 	0x0001
+
+#define	VIDDEC_CMD_SF_INFO_0_SUBFRAME_CONTI		0x0000
+#define	VIDDEC_CMD_SF_INFO_0_SUBFRAME_FIRST		0x0001
+#define	VIDDEC_CMD_SF_INFO_0_SUBFRAME_LAST		0x0002
+#define	VIDDEC_CMD_SF_INFO_0_SUBFRAME_FIRST_AND_LAST 	0x0003
+
+#define	VIDDEC_CMD_CODEC_SELECTION_WORD_MPEG_4		0x0000
+#define	VIDDEC_CMD_CODEC_SELECTION_WORD_H_263_P0	0x0001
+#define	VIDDEC_CMD_CODEC_SELECTION_WORD_H_264		0x0002
+#define	VIDDEC_CMD_CODEC_SELECTION_WORD_H_263_p3	0x0003
+#define	VIDDEC_CMD_CODEC_SELECTION_WORD_RV9		0x0004
+#define	VIDDEC_CMD_CODEC_SELECTION_WORD_WMV9		0x0005
+#define	VIDDEC_CMD_CODEC_SELECTION_WORD_SMCDB		0x0006
+#define	VIDDEC_CMD_CODEC_SELECTION_WORD_QFRE		0x0007
+#define	VIDDEC_CMD_CODEC_SELECTION_WORD_VLD		0x0008
+
+typedef struct {
+	unsigned short	cmd_id;
+	unsigned short	packet_seq_number;
+	unsigned short	codec_instance_id;
+	unsigned short	subframe_packet_size_high;
+	unsigned short	subframe_packet_size_low;
+	unsigned short	subframe_packet_high;
+	unsigned short	subframe_packet_low;
+	unsigned short	subframe_packet_partition;
+	unsigned short	statistics_packet_size_high;
+	unsigned short	statistics_packet_size_low;
+	unsigned short	statistics_packet_high;
+	unsigned short	statistics_packet_low;
+	unsigned short	statistics_partition;
+	unsigned short	subframe_info_1;
+	unsigned short	subframe_info_0;
+	unsigned short	codec_selection_word;
+	unsigned short	num_mbs;
+} __attribute__((packed)) viddec_cmd_subframe_pkt;
+
+
+/*
+ * Command to inform VIDDEC task that post processing is required for the frame
+ */
+
+#define	VIDDEC_CMD_PP_ENABLE		0x0001
+#define	VIDDEC_CMD_PP_ENABLE_LEN \
+	sizeof(viddec_cmd_pp_enable)
+
+#define	VIDDEC_CMD_PP_INFO_0_DM_DMA_LS_EXCHANGE_FLAG_DM		0x0000
+#define	VIDDEC_CMD_PP_INFO_0_DM_DMA_LS_EXCHANGE_FLAG_DMA	0x0001
+
+typedef struct {
+	unsigned short	cmd_id;
+	unsigned short	packet_seq_num;
+	unsigned short	codec_instance_id;
+	unsigned short	postproc_info_0;
+	unsigned short	codec_selection_word;
+	unsigned short	pp_output_addr_high;
+	unsigned short	pp_output_addr_low;
+	unsigned short	postproc_info_1;
+	unsigned short	load_sharing_packet_size_high;
+	unsigned short	load_sharing_packet_size_low;
+	unsigned short	load_sharing_packet_high;
+	unsigned short	load_sharing_packet_low;
+	unsigned short	load_sharing_partition;
+	unsigned short	pp_param_0;
+	unsigned short	pp_param_1;
+	unsigned short	pp_param_2;
+	unsigned short	pp_param_3;
+} __attribute__((packed)) viddec_cmd_pp_enable;
+
+
+/*
+ * FRAME Header Packet : It is at the start of new frame
+ */
+
+#define	VIDDEC_CMD_FRAME_HEADER_PACKET	0x0002
+#define	VIDDEC_CMD_FRAME_HEADER_PACKET_LEN	\
+	sizeof(viddec_cmd_frame_header_packet)
+
+#define	VIDDEC_CMD_FRAME_INFO_0_ERROR_SKIP	0x0000
+#define	VIDDEC_CMD_FRAME_INFO_0_ERROR_BLACK	0x0800
+
+typedef struct {
+	unsigned short	packet_id;
+	unsigned short	x_dimension;
+	unsigned short	y_dimension;
+	unsigned short	line_width;
+	unsigned short	frame_info_0;
+	unsigned short	frame_buffer_0_high;
+	unsigned short	frame_buffer_0_low;
+	unsigned short	frame_buffer_1_high;
+	unsigned short	frame_buffer_1_low;
+	unsigned short	frame_buffer_2_high;
+	unsigned short	frame_buffer_2_low;
+	unsigned short	frame_buffer_3_high;
+	unsigned short	frame_buffer_3_low;
+	unsigned short	frame_buffer_4_high;
+	unsigned short	frame_buffer_4_low;
+	unsigned short	frame_buffer_5_high;
+	unsigned short	frame_buffer_5_low;
+	unsigned short	frame_buffer_6_high;
+	unsigned short	frame_buffer_6_low;
+	unsigned short	frame_buffer_7_high;
+	unsigned short	frame_buffer_7_low;
+	unsigned short	frame_buffer_8_high;
+	unsigned short	frame_buffer_8_low;
+	unsigned short	frame_buffer_9_high;
+	unsigned short	frame_buffer_9_low;
+	unsigned short	frame_buffer_10_high;
+	unsigned short	frame_buffer_10_low;
+	unsigned short	frame_buffer_11_high;
+	unsigned short	frame_buffer_11_low;
+	unsigned short	frame_buffer_12_high;
+	unsigned short	frame_buffer_12_low;
+	unsigned short	frame_buffer_13_high;
+	unsigned short	frame_buffer_13_low;
+	unsigned short	frame_buffer_14_high;
+	unsigned short	frame_buffer_14_low;
+	unsigned short	frame_buffer_15_high;
+	unsigned short	frame_buffer_15_low;
+	unsigned short	output_frame_buffer_high;
+	unsigned short	output_frame_buffer_low;
+	unsigned short	end_of_packet_marker;
+} __attribute__((packed)) viddec_cmd_frame_header_packet;
+
+
+/*
+ * SLICE HEADER PACKET
+ * I-Slice and P-Slice
+ */
+
+#define	VIDDEC_CMD_SLICE_HEADER_PKT_ISLICE		0x0003
+#define	VIDDEC_CMD_SLICE_HEADER_PKT_ISLICE_LEN	\
+	sizeof(viddec_cmd_slice_header_pkt_islice)
+
+#define	VIDDEC_CMD_ISLICE_INFO_1_MOD_SLICE_TYPE_PSLICE	0x0000
+#define	VIDDEC_CMD_ISLICE_INFO_1_MOD_SLICE_TYPE_BSLICE	0x0100
+#define	VIDDEC_CMD_ISLICE_INFO_1_MOD_SLICE_TYPE_ISLICE	0x0200
+#define	VIDDEC_CMD_ISLICE_INFO_1_MOD_SLICE_TYPE_SPSLICE	0x0300
+#define	VIDDEC_CMD_ISLICE_INFO_1_MOD_SLICE_TYPE_SISLICE	0x0400
+#define	VIDDEC_CMD_ISLICE_INFO_1_NOPADDING	0x0000
+#define	VIDDEC_CMD_ISLICE_INFO_1_PADDING	0x0800
+
+#define	VIDDEC_CMD_ISLICE_EOP_MARKER		0x7FFF
+
+typedef struct {
+	unsigned short	cmd_id;
+	unsigned short	packet_id;
+	unsigned short	slice_info_0;
+	unsigned short	slice_info_1;
+	unsigned short	slice_info_2;
+	unsigned short	num_bytes_in_rbsp_high;
+	unsigned short	num_bytes_in_rbsp_low;
+	unsigned short	num_bytes_in_rbsp_consumed;
+	unsigned short	end_of_packet_marker;
+} __attribute__((packed)) viddec_cmd_slice_header_pkt_islice;
+
+
+#define	VIDDEC_CMD_SLICE_HEADER_PKT_PSLICE		0x0003
+#define	VIDDEC_CMD_SLICE_HEADER_PKT_PSLICE_LEN	\
+	sizeof(viddec_cmd_slice_header_pkt_pslice)
+
+
+typedef struct {
+	unsigned short	cmd_id;
+	unsigned short	packet_id;
+	unsigned short	slice_info_0;
+	unsigned short	slice_info_1;
+	unsigned short	slice_info_2;
+	unsigned short	slice_info_3;
+	unsigned short	refidx_l0_map_tab_info_0;
+	unsigned short	refidx_l0_map_tab_info_1;
+	unsigned short	refidx_l0_map_tab_info_2;
+	unsigned short	refidx_l0_map_tab_info_3;
+	unsigned short	num_bytes_in_rbsp_high;
+	unsigned short	num_bytes_in_rbsp_low;
+	unsigned short	num_bytes_in_rbsp_consumed;
+	unsigned short	end_of_packet_marker;
+} __attribute__((packed)) viddec_cmd_slice_header_pkt_pslice;
+
+
+#endif
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5vdecmsg.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5vdecmsg.h
new file mode 100644
index 000000000000..c1744c1644dd
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5vdecmsg.h
@@ -0,0 +1,107 @@
+#ifndef QDSP5VIDDECMSGI_H
+#define QDSP5VIDDECMSGI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+    V I D E O  D E C O D E R   I N T E R N A L  M E S S A G E S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of messages
+  that are sent by VIDDEC Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2008 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+$Header: //source/qcom/qct/multimedia2/AdspSvc/7XXX/qdsp5cmd/video/qdsp5vdecmsg.h#2 $ $DateTime: 2008/07/30 10:50:23 $ $Author: pavanr $
+Revision History:
+
+when       who     what, where, why
+--------   ---     ----------------------------------------------------------
+05/10/08   ac      initial version
+===========================================================================*/
+
+/*
+ * Message to inform ARM which VDEC_SUBFRAME_PKT_CMD processed by VIDDEC TASK
+ */
+
+#define	VIDDEC_MSG_SUBF_DONE	0x0000
+#define	VIDDEC_MSG_SUBF_DONE_LEN	\
+	sizeof(viddec_msg_subf_done)
+
+typedef struct {
+	unsigned short	packet_seq_number;
+	unsigned short	codec_instance_id;
+} __attribute__((packed)) viddec_msg_subf_done;
+
+
+/*
+ * Message to inform ARM one frame has been decoded
+ */
+
+#define	VIDDEC_MSG_FRAME_DONE	0x0001
+#define	VIDDEC_MSG_FRAME_DONE_LEN	\
+	sizeof(viddec_msg_frame_done)
+
+typedef struct {
+	unsigned short	packet_seq_number;
+	unsigned short	codec_instance_id;
+} __attribute__((packed)) viddec_msg_frame_done;
+
+
+/*
+ * Message to inform ARM that post processing frame has been decoded
+ */
+
+#define	VIDDEC_MSG_PP_ENABLE_CMD_DONE	0x0002
+#define	VIDDEC_MSG_PP_ENABLE_CMD_DONE_LEN	\
+	sizeof(viddec_msg_pp_enable_cmd_done)
+
+typedef struct {
+	unsigned short	packet_seq_number;
+	unsigned short	codec_instance_id;
+} __attribute__((packed)) viddec_msg_pp_enable_cmd_done;
+
+
+/*
+ * Message to inform ARM that one post processing frame has been decoded
+ */
+
+
+#define	VIDDEC_MSG_PP_FRAME_DONE		0x0003
+#define	VIDDEC_MSG_PP_FRAME_DONE_LEN	\
+	sizeof(viddec_msg_pp_frame_done)
+
+#define	VIDDEC_MSG_DISP_WORTHY_DISP		0x0000
+#define	VIDDEC_MSG_DISP_WORTHY_DISP_NONE	0xFFFF
+
+
+typedef struct {
+	unsigned short	packet_seq_number;
+	unsigned short	codec_instance_id;
+	unsigned short	display_worthy;
+} __attribute__((packed)) viddec_msg_pp_frame_done;
+
+
+#endif
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5venccmdi.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5venccmdi.h
new file mode 100644
index 000000000000..819544d186da
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5venccmdi.h
@@ -0,0 +1,212 @@
+#ifndef QDSP5VIDENCCMDI_H
+#define QDSP5VIDENCCMDI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+    V I D E O  E N C O D E R  I N T E R N A L  C O M M A N D S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of commands
+  that are accepted by VIDENC Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 2008 by QUALCOMM, Incorporated.
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+			EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+Revision History:
+
+when       who     what, where, why
+--------   ---     ----------------------------------------------------------
+09/25/08   umeshp      initial version
+===========================================================================*/
+
+  #define VIDENC_CMD_CFG           0x0000
+  #define VIDENC_CMD_ACTIVE        0x0001
+  #define VIDENC_CMD_IDLE          0x0002
+  #define VIDENC_CMD_FRAME_START   0x0003
+  #define VIDENC_CMD_STATUS_QUERY  0x0004
+  #define VIDENC_CMD_RC_CFG        0x0005
+  #define VIDENC_CMD_DIS_CFG       0x0006
+  #define VIDENC_CMD_DIS           0x0007
+  #define VIDENC_CMD_INTRA_REFRESH 0x0008
+  #define VIDENC_CMD_DIGITAL_ZOOM  0x0009
+
+
+/*
+ * Command to pass the frame message information to VIDENC
+ */
+
+
+#define VIDENC_CMD_FRAME_START_LEN \
+	sizeof(videnc_cmd_frame_start)
+
+typedef struct {
+	unsigned short  cmd_id;
+	unsigned short  frame_info;
+	unsigned short  frame_rho_budget_word_high;
+	unsigned short  frame_rho_budget_word_low;
+	unsigned short  input_luma_addr_high;
+	unsigned short  input_luma_addr_low;
+	unsigned short  input_chroma_addr_high;
+	unsigned short  input_chroma_addr_low;
+	unsigned short  ref_vop_buf_ptr_high;
+	unsigned short  ref_vop_buf_ptr_low;
+	unsigned short  enc_pkt_buf_ptr_high;
+	unsigned short  enc_pkt_buf_ptr_low;
+	unsigned short  enc_pkt_buf_size_high;
+	unsigned short  enc_pkt_buf_size_low;
+	unsigned short  unfilt_recon_vop_buf_ptr_high;
+	unsigned short  unfilt_recon_vop_buf_ptr_low;
+	unsigned short  filt_recon_vop_buf_ptr_high;
+	unsigned short  filt_recon_vop_buf_ptr_low;
+} __attribute__((packed)) videnc_cmd_frame_start;
+
+/*
+ * Command to pass the frame-level digital stabilization parameters to VIDENC
+ */
+
+
+#define VIDENC_CMD_DIS_LEN \
+    sizeof(videnc_cmd_dis)
+
+typedef struct {
+	unsigned short  cmd_id;
+	unsigned short  vfe_out_prev_luma_addr_high;
+	unsigned short  vfe_out_prev_luma_addr_low;
+	unsigned short  stabilization_info;
+} __attribute__((packed)) videnc_cmd_dis;
+
+/*
+ * Command to pass the codec related parameters to VIDENC
+ */
+
+
+#define VIDENC_CMD_CFG_LEN \
+    sizeof(videnc_cmd_cfg)
+
+typedef struct {
+	unsigned short  cmd_id;
+	unsigned short  cfg_info_0;
+	unsigned short  cfg_info_1;
+	unsigned short  four_mv_threshold;
+	unsigned short  ise_fse_mv_cost_fac;
+	unsigned short  venc_frame_dim;
+	unsigned short  venc_DM_partition;
+} __attribute__((packed)) videnc_cmd_cfg;
+
+/*
+ * Command to start the video encoding
+ */
+
+
+#define VIDENC_CMD_ACTIVE_LEN \
+    sizeof(videnc_cmd_active)
+
+typedef struct {
+    unsigned short  cmd_id;
+} __attribute__((packed)) videnc_cmd_active;
+
+/*
+ * Command to stop the video encoding
+ */
+
+
+#define VIDENC_CMD_IDLE_LEN \
+    sizeof(videnc_cmd_idle)
+
+typedef struct {
+	unsigned short  cmd_id;
+} __attribute__((packed)) videnc_cmd_idle;
+
+/*
+ * Command to query staus of VIDENC
+ */
+
+
+#define VIDENC_CMD_STATUS_QUERY_LEN \
+    sizeof(videnc_cmd_status_query)
+
+typedef struct {
+	unsigned short  cmd_id;
+} __attribute__((packed)) videnc_cmd_status_query;
+
+/*
+ * Command to set rate control for a frame
+ */
+
+
+#define VIDENC_CMD_RC_CFG_LEN \
+    sizeof(videnc_cmd_rc_cfg)
+
+typedef struct {
+	unsigned short  cmd_id;
+	unsigned short  max_frame_qp_delta;
+	unsigned short  max_min_frame_qp;
+} __attribute__((packed)) videnc_cmd_rc_cfg;
+
+/*
+ * Command to set intra-refreshing
+ */
+
+
+#define VIDENC_CMD_INTRA_REFRESH_LEN \
+    sizeof(videnc_cmd_intra_refresh)
+
+typedef struct {
+	unsigned short  cmd_id;
+	unsigned short  num_mb_refresh;
+	unsigned short  mb_index[15];
+} __attribute__((packed)) videnc_cmd_intra_refresh;
+
+/*
+ * Command to pass digital zoom information to the VIDENC
+ */
+#define VIDENC_CMD_DIGITAL_ZOOM_LEN \
+    sizeof(videnc_cmd_digital_zoom)
+
+typedef struct {
+	unsigned short  cmd_id;
+	unsigned short  digital_zoom_en;
+	unsigned short  luma_frame_shift_X;
+	unsigned short  luma_frame_shift_Y;
+	unsigned short  up_ip_luma_rows;
+	unsigned short  up_ip_luma_cols;
+	unsigned short  up_ip_chroma_rows;
+	unsigned short  up_ip_chroma_cols;
+	unsigned short  luma_ph_incr_V_low;
+	unsigned short  luma_ph_incr_V_high;
+	unsigned short  luma_ph_incr_H_low;
+	unsigned short  luma_ph_incr_H_high;
+	unsigned short  chroma_ph_incr_V_low;
+	unsigned short  chroma_ph_incr_V_high;
+	unsigned short  chroma_ph_incr_H_low;
+	unsigned short  chroma_ph_incr_H_high;
+} __attribute__((packed)) videnc_cmd_digital_zoom;
+
+/*
+ * Command to configure digital stabilization parameters
+ */
+
+#define VIDENC_CMD_DIS_CFG_LEN \
+    sizeof(videnc_cmd_dis_cfg)
+
+typedef struct {
+	unsigned short  cmd_id;
+	unsigned short  image_stab_subf_start_row_col;
+	unsigned short  image_stab_subf_dim;
+	unsigned short  image_stab_info_0;
+} __attribute__((packed)) videnc_cmd_dis_cfg;
+
+
+#endif
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5vfecmdi.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5vfecmdi.h
new file mode 100644
index 000000000000..55e8fc2269f7
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5vfecmdi.h
@@ -0,0 +1,910 @@
+#ifndef QDSP5VFECMDI_H
+#define QDSP5VFECMDI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+    V F E   I N T E R N A L   C O M M A N D S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of commands
+  that are accepted by VFE Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2008 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+$Header: //source/qcom/qct/multimedia2/AdspSvc/7XXX/qdsp5cmd/video/qdsp5vfecmdi.h#2 $ $DateTime: 2008/07/30 10:50:23 $ $Author: pavanr $
+Revision History:
+
+when       who     what, where, why
+--------   ---     ----------------------------------------------------------
+06/12/08   sv      initial version
+===========================================================================*/
+
+/******************************************************************************
+ * Commands through vfeCommandScaleQueue
+ *****************************************************************************/
+
+/*
+ * Command to program scaler for op1 . max op of scaler is VGA
+ */
+
+
+#define	VFE_CMD_SCALE_OP1_CFG		0x0000
+#define	VFE_CMD_SCALE_OP1_CFG_LEN	\
+	sizeof(vfe_cmd_scale_op1_cfg)
+
+#define	VFE_CMD_SCALE_OP1_SEL_IP_SEL_Y_STANDARD	0x0000
+#define	VFE_CMD_SCALE_OP1_SEL_IP_SEL_Y_CASCADED	0x0001
+#define	VFE_CMD_SCALE_OP1_SEL_H_Y_SCALER_DIS	0x0000
+#define	VFE_CMD_SCALE_OP1_SEL_H_Y_SCALER_ENA	0x0002
+#define	VFE_CMD_SCALE_OP1_SEL_H_PP_Y_SCALER_DIS	0x0000
+#define	VFE_CMD_SCALE_OP1_SEL_H_PP_Y_SCALER_ENA	0x0004
+#define	VFE_CMD_SCALE_OP1_SEL_V_Y_SCALER_DIS	0x0000
+#define	VFE_CMD_SCALE_OP1_SEL_V_Y_SCALER_ENA	0x0008
+#define	VFE_CMD_SCALE_OP1_SEL_V_PP_Y_SCALER_DIS	0x0000
+#define	VFE_CMD_SCALE_OP1_SEL_V_PP_Y_SCALER_ENA	0x0010
+#define	VFE_CMD_SCALE_OP1_SEL_IP_SEL_CBCR_STANDARD	0x0000
+#define	VFE_CMD_SCALE_OP1_SEL_IP_SEL_CBCR_CASCADED	0x0020
+#define	VFE_CMD_SCALE_OP1_SEL_H_CBCR_SCALER_DIS		0x0000
+#define	VFE_CMD_SCALE_OP1_SEL_H_CBCR_SCALER_ENA		0x0040
+#define	VFE_CMD_SCALE_OP1_SEL_V_CBCR_SCALER_DIS		0x0000
+#define	VFE_CMD_SCALE_OP1_SEL_V_CBCR_SCALER_ENA		0x0080
+
+#define	VFE_CMD_OP1_PP_Y_SCALER_CFG_PART1_DONT_LOAD_COEFFS	0x80000000
+#define	VFE_CMD_OP1_PP_Y_SCALER_CFG_PART1_LOAD_COEFFS	0x80000000
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	scale_op1_sel;
+	unsigned int	y_scaler_cfg_part1;
+	unsigned int	y_scaler_cfg_part2;
+	unsigned int	cbcr_scaler_cfg_part1;
+	unsigned int	cbcr_scaler_cfg_part2;
+	unsigned int	cbcr_scaler_cfg_part3;
+	unsigned int	pp_y_scaler_cfg_part1;
+	unsigned int	pp_y_scaler_cfg_part2;
+	unsigned int	y_scaler_v_coeff_bank_part1[16];
+	unsigned int	y_scaler_v_coeff_bank_part2[16];
+	unsigned int	y_scaler_h_coeff_bank_part1[16];
+	unsigned int	y_scaler_h_coeff_bank_part2[16];
+} __attribute__((packed)) vfe_cmd_scale_op1_cfg;
+
+
+/*
+ * Command to program scaler for op2
+ */
+
+#define	VFE_CMD_SCALE_OP2_CFG		0x0001
+#define	VFE_CMD_SCALE_OP2_CFG_LEN	\
+	sizeof(vfe_cmd_scale_op2_cfg)
+
+#define	VFE_CMD_SCALE_OP2_SEL_IP_SEL_Y_STANDARD	0x0000
+#define	VFE_CMD_SCALE_OP2_SEL_IP_SEL_Y_CASCADED	0x0001
+#define	VFE_CMD_SCALE_OP2_SEL_H_Y_SCALER_DIS	0x0000
+#define	VFE_CMD_SCALE_OP2_SEL_H_Y_SCALER_ENA	0x0002
+#define	VFE_CMD_SCALE_OP2_SEL_H_PP_Y_SCALER_DIS	0x0000
+#define	VFE_CMD_SCALE_OP2_SEL_H_PP_Y_SCALER_ENA	0x0004
+#define	VFE_CMD_SCALE_OP2_SEL_V_Y_SCALER_DIS	0x0000
+#define	VFE_CMD_SCALE_OP2_SEL_V_Y_SCALER_ENA	0x0008
+#define	VFE_CMD_SCALE_OP2_SEL_V_PP_Y_SCALER_DIS	0x0000
+#define	VFE_CMD_SCALE_OP2_SEL_V_PP_Y_SCALER_ENA	0x0010
+#define	VFE_CMD_SCALE_OP2_SEL_IP_SEL_CBCR_STANDARD	0x0000
+#define	VFE_CMD_SCALE_OP2_SEL_IP_SEL_CBCR_CASCADED	0x0020
+#define	VFE_CMD_SCALE_OP2_SEL_H_CBCR_SCALER_DIS		0x0000
+#define	VFE_CMD_SCALE_OP2_SEL_H_CBCR_SCALER_ENA		0x0040
+#define	VFE_CMD_SCALE_OP2_SEL_V_CBCR_SCALER_DIS		0x0000
+#define	VFE_CMD_SCALE_OP2_SEL_V_CBCR_SCALER_ENA		0x0080
+
+#define	VFE_CMD_OP2_PP_Y_SCALER_CFG_PART1_DONT_LOAD_COEFFS	0x80000000
+#define	VFE_CMD_OP2_PP_Y_SCALER_CFG_PART1_LOAD_COEFFS		0x80000000
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	scale_op2_sel;
+	unsigned int	y_scaler_cfg_part1;
+	unsigned int	y_scaler_cfg_part2;
+	unsigned int	cbcr_scaler_cfg_part1;
+	unsigned int	cbcr_scaler_cfg_part2;
+	unsigned int	cbcr_scaler_cfg_part3;
+	unsigned int	pp_y_scaler_cfg_part1;
+	unsigned int	pp_y_scaler_cfg_part2;
+	unsigned int	y_scaler_v_coeff_bank_part1[16];
+	unsigned int	y_scaler_v_coeff_bank_part2[16];
+	unsigned int	y_scaler_h_coeff_bank_part1[16];
+	unsigned int	y_scaler_h_coeff_bank_part2[16];
+} __attribute__((packed)) vfe_cmd_scale_op2_cfg;
+
+
+/******************************************************************************
+ * Commands through vfeCommandTableQueue
+ *****************************************************************************/
+
+/*
+ * Command to program the AXI ip paths
+ */
+
+#define	VFE_CMD_AXI_IP_CFG		0x0000
+#define	VFE_CMD_AXI_IP_CFG_LEN		sizeof(vfe_cmd_axi_ip_cfg)
+
+#define	VFE_CMD_IP_SEL_IP_FORMAT_8	0x0000
+#define	VFE_CMD_IP_SEL_IP_FORMAT_10	0x0001
+#define	VFE_CMD_IP_SEL_IP_FORMAT_12	0x0002
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	ip_sel;
+	unsigned int	ip_cfg_part1;
+	unsigned int	ip_cfg_part2;
+	unsigned int	ip_unpack_cfg_part[6];
+	unsigned int	ip_buf_addr[8];
+} __attribute__ ((packed)) vfe_cmd_axi_ip_cfg;
+
+
+/*
+ * Command to program axi op paths
+ */
+
+#define	VFE_CMD_AXI_OP_CFG	0x0001
+#define	VFE_CMD_AXI_OP_CFG_LEN	sizeof(vfe_cmd_axi_op_cfg)
+
+#define	VFE_CMD_OP_SEL_OP1		0x0000
+#define	VFE_CMD_OP_SEL_OP2		0x0001
+#define	VFE_CMD_OP_SEL_OP1_OP2		0x0002
+#define	VFE_CMD_OP_SEL_CTOA		0x0003
+#define	VFE_CMD_OP_SEL_CTOA_OP1		0x0004
+#define	VFE_CMD_OP_SEL_CTOA_OP2		0x0005
+#define	VFE_CMD_OP_SEL_OP_FORMAT_8	0x0000
+#define	VFE_CMD_OP_SEL_OP_FORMAT_10	0x0008
+#define	VFE_CMD_OP_SEL_OP_FORMAT_12	0x0010
+
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	op_sel;
+	unsigned int	op1_y_cfg_part1;
+	unsigned int	op1_y_cfg_part2;
+	unsigned int	op1_cbcr_cfg_part1;
+	unsigned int	op1_cbcr_cfg_part2;
+	unsigned int	op2_y_cfg_part1;
+	unsigned int	op2_y_cfg_part2;
+	unsigned int	op2_cbcr_cfg_part1;
+	unsigned int	op2_cbcr_cfg_part2;
+	unsigned int	op1_buf1_addr[16];
+	unsigned int	op2_buf1_addr[16];
+} __attribute__((packed)) vfe_cmd_axi_op_cfg;
+
+
+
+
+/*
+ * Command to program the roll off correction module
+ */
+
+#define	VFE_CMD_ROLLOFF_CFG	0x0002
+#define	VFE_CMD_ROLLOFF_CFG_LEN	\
+	sizeof(vfe_cmd_rolloff_cfg)
+
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	correction_opt_center_pos;
+	unsigned int	radius_square_entry[32];
+	unsigned int	red_table_entry[32];
+	unsigned int	green_table_entry[32];
+	unsigned int	blue_table_entry[32];
+} __attribute__((packed)) vfe_cmd_rolloff_cfg;
+
+/*
+ * Command to program RGB gamma table
+ */
+
+#define	VFE_CMD_RGB_GAMMA_CFG		0x0003
+#define	VFE_CMD_RGB_GAMMA_CFG_LEN	\
+	sizeof(vfe_cmd_rgb_gamma_cfg)
+
+#define	VFE_CMD_RGB_GAMMA_SEL_LINEAR		0x0000
+#define	VFE_CMD_RGB_GAMMA_SEL_PW_LINEAR		0x0001
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	rgb_gamma_sel;
+	unsigned int	rgb_gamma_entry[256];
+} __attribute__((packed)) vfe_cmd_rgb_gamma_cfg;
+
+
+/*
+ * Command to program luma gamma table for the noise reduction path
+ */
+
+#define	VFE_CMD_Y_GAMMA_CFG		0x0004
+#define	VFE_CMD_Y_GAMMA_CFG_LEN		\
+	sizeof(vfe_cmd_y_gamma_cfg)
+
+#define	VFE_CMD_Y_GAMMA_SEL_LINEAR	0x0000
+#define	VFE_CMD_Y_GAMMA_SEL_PW_LINEAR	0x0001
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	y_gamma_sel;
+	unsigned int	y_gamma_entry[256];
+} __attribute__((packed)) vfe_cmd_y_gamma_cfg;
+
+
+
+/******************************************************************************
+ * Commands through vfeCommandQueue
+ *****************************************************************************/
+
+/*
+ * Command to reset the VFE to a known good state.All previously programmed
+ * Params will be lost
+ */
+
+
+#define	VFE_CMD_RESET		0x0000
+#define	VFE_CMD_RESET_LEN	sizeof(vfe_cmd_reset)
+
+
+typedef struct {
+	unsigned short	cmd_id;
+} __attribute__((packed)) vfe_cmd_reset;
+
+
+/*
+ * Command to start VFE processing based on the config params
+ */
+
+
+#define	VFE_CMD_START		0x0001
+#define	VFE_CMD_START_LEN	sizeof(vfe_cmd_start)
+
+#define	VFE_CMD_STARTUP_PARAMS_SRC_CAMIF	0x0000
+#define	VFE_CMD_STARTUP_PARAMS_SRC_AXI		0x0001
+#define	VFE_CMD_STARTUP_PARAMS_MODE_CONTINUOUS	0x0000
+#define	VFE_CMD_STARTUP_PARAMS_MODE_SNAPSHOT	0x0002
+
+#define	VFE_CMD_IMAGE_PL_BLACK_LVL_CORR_DIS	0x0000
+#define	VFE_CMD_IMAGE_PL_BLACK_LVL_CORR_ENA	0x0001
+#define	VFE_CMD_IMAGE_PL_ROLLOFF_CORR_DIS	0x0000
+#define	VFE_CMD_IMAGE_PL_ROLLOFF_CORR_ENA	0x0002
+#define	VFE_CMD_IMAGE_PL_WHITE_BAL_DIS		0x0000
+#define	VFE_CMD_IMAGE_PL_WHITE_BAL_ENA		0x0004
+#define	VFE_CMD_IMAGE_PL_RGB_GAMMA_DIS		0x0000
+#define	VFE_CMD_IMAGE_PL_RGB_GAMMA_ENA		0x0008
+#define	VFE_CMD_IMAGE_PL_LUMA_NOISE_RED_PATH_DIS	0x0000
+#define	VFE_CMD_IMAGE_PL_LUMA_NOISE_RED_PATH_ENA	0x0010
+#define	VFE_CMD_IMAGE_PL_ADP_FILTER_DIS		0x0000
+#define	VFE_CMD_IMAGE_PL_ADP_FILTER_ENA		0x0020
+#define	VFE_CMD_IMAGE_PL_CHROMA_SAMP_DIS	0x0000
+#define	VFE_CMD_IMAGE_PL_CHROMA_SAMP_ENA	0x0040
+
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	startup_params;
+	unsigned int	image_pipeline;
+	unsigned int	frame_dimension;
+} __attribute__((packed)) vfe_cmd_start;
+
+
+/*
+ * Command to halt all processing
+ */
+
+#define	VFE_CMD_STOP		0x0002
+#define	VFE_CMD_STOP_LEN	sizeof(vfe_cmd_stop)
+
+typedef struct {
+	unsigned short	cmd_id;
+} __attribute__((packed)) vfe_cmd_stop;
+
+
+/*
+ * Command to commit the params that have been programmed to take
+ * effect on the next frame
+ */
+
+#define	VFE_CMD_UPDATE		0x0003
+#define	VFE_CMD_UPDATE_LEN	sizeof(vfe_cmd_update)
+
+
+typedef struct {
+	unsigned short	cmd_id;
+} __attribute__((packed)) vfe_cmd_update;
+
+
+/*
+ * Command to program CAMIF module
+ */
+
+#define	VFE_CMD_CAMIF_CFG	0x0004
+#define	VFE_CMD_CAMIF_CFG_LEN	sizeof(vfe_cmd_camif_cfg)
+
+#define	VFE_CMD_CFG_VSYNC_SYNC_EDGE_HIGH	0x0000
+#define	VFE_CMD_CFG_VSYNC_SYNC_EDGE_LOW		0x0002
+#define	VFE_CMD_CFG_HSYNC_SYNC_EDGE_HIGH	0x0000
+#define	VFE_CMD_CFG_HSYNC_SYNC_EDGE_LOW		0x0004
+#define	VFE_CMD_CFG_SYNC_MODE_APS		0x0000
+#define	VFE_CMD_CFG_SYNC_MODE_EFS		0X0008
+#define	VFE_CMD_CFG_SYNC_MODE_ELS		0x0010
+#define	VFE_CMD_CFG_SYNC_MODE_RVD		0x0018
+#define	VFE_CMD_CFG_VFE_SUBSAMP_EN_DIS		0x0000
+#define	VFE_CMD_CFG_VFE_SUBSAMP_EN_ENA		0x0020
+#define	VFE_CMD_CFG_BUS_SUBSAMP_EN_DIS		0x0000
+#define	VFE_CMD_CFG_BUS_SUBSAMP_EN_ENA		0x0080
+#define	VFE_CMD_CFG_IRQ_SUBSAMP_EN_DIS		0x0000
+#define	VFE_CMD_CFG_IRQ_SUBSAMP_EN_ENA		0x0800
+
+#define	VFE_CMD_SUBSAMP2_CFG_PIXEL_SKIP_16	0x0000
+#define	VFE_CMD_SUBSAMP2_CFG_PIXEL_SKIP_12	0x0010
+
+#define	VFE_CMD_EPOCH_IRQ_1_DIS			0x0000
+#define	VFE_CMD_EPOCH_IRQ_1_ENA			0x4000
+#define	VFE_CMD_EPOCH_IRQ_2_DIS			0x0000
+#define	VFE_CMD_EPOCH_IRQ_2_ENA			0x8000
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	cfg;
+	unsigned int	efs_cfg;
+	unsigned int	frame_cfg;
+	unsigned int	window_width_cfg;
+	unsigned int	window_height_cfg;
+	unsigned int	subsamp1_cfg;
+	unsigned int	subsamp2_cfg;
+	unsigned int	epoch_irq;
+} __attribute__((packed)) vfe_cmd_camif_cfg;
+
+
+
+/*
+ * Command to program the black level module
+ */
+
+#define	VFE_CMD_BLACK_LVL_CFG		0x0005
+#define	VFE_CMD_BLACK_LVL_CFG_LEN	sizeof(vfe_cmd_black_lvl_cfg)
+
+#define	VFE_CMD_BL_SEL_MANUAL		0x0000
+#define	VFE_CMD_BL_SEL_AUTO		0x0001
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	black_lvl_sel;
+	unsigned int	cfg_part[3];
+} __attribute__((packed)) vfe_cmd_black_lvl_cfg;
+
+
+/*
+ * Command to program the active region by cropping the region of interest
+ */
+
+#define	VFE_CMD_ACTIVE_REGION_CFG	0x0006
+#define	VFE_CMD_ACTIVE_REGION_CFG_LEN	\
+	sizeof(vfe_cmd_active_region_cfg)
+
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	cfg_part1;
+	unsigned int	cfg_part2;
+} __attribute__((packed)) vfe_cmd_active_region_cfg;
+
+
+
+/*
+ * Command to program the defective pixel correction(DPC) ,
+ * adaptive bayer filter (ABF) and demosaic modules
+ */
+
+#define	VFE_CMD_DEMOSAIC_CFG		0x0007
+#define	VFE_CMD_DEMOSAIC_CFG_LEN	sizeof(vfe_cmd_demosaic_cfg)
+
+#define	VFE_CMD_DEMOSAIC_PART1_ABF_EN_DIS	0x0000
+#define	VFE_CMD_DEMOSAIC_PART1_ABF_EN_ENA	0x0001
+#define	VFE_CMD_DEMOSAIC_PART1_DPC_EN_DIS	0x0000
+#define	VFE_CMD_DEMOSAIC_PART1_DPC_EN_ENA	0x0002
+#define	VFE_CMD_DEMOSAIC_PART1_FORCE_ABF_OFF	0x0000
+#define	VFE_CMD_DEMOSAIC_PART1_FORCE_ABF_ON	0x0004
+#define	VFE_CMD_DEMOSAIC_PART1_SLOPE_SHIFT_1	0x00000000
+#define	VFE_CMD_DEMOSAIC_PART1_SLOPE_SHIFT_2	0x10000000
+#define	VFE_CMD_DEMOSAIC_PART1_SLOPE_SHIFT_4	0x20000000
+#define	VFE_CMD_DEMOSAIC_PART1_SLOPE_SHIFT_8	0x30000000
+#define	VFE_CMD_DEMOSAIC_PART1_SLOPE_SHIFT_1_2	0x50000000
+#define	VFE_CMD_DEMOSAIC_PART1_SLOPE_SHIFT_1_4	0x60000000
+#define	VFE_CMD_DEMOSAIC_PART1_SLOPE_SHIFT_1_8	0x70000000
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	demosaic_part1;
+	unsigned int	demosaic_part2;
+	unsigned int	demosaic_part3;
+	unsigned int	demosaic_part4;
+	unsigned int	demosaic_part5;
+} __attribute__((packed)) vfe_cmd_demosaic_cfg;
+
+
+/*
+ * Command to program the ip format
+ */
+
+#define	VFE_CMD_IP_FORMAT_CFG		0x0008
+#define	VFE_CMD_IP_FORMAT_CFG_LEN	\
+	sizeof(vfe_cmd_ip_format_cfg)
+
+#define	VFE_CMD_IP_FORMAT_SEL_RGRG	0x0000
+#define	VFE_CMD_IP_FORMAT_SEL_GRGR	0x0001
+#define	VFE_CMD_IP_FORMAT_SEL_BGBG	0x0002
+#define	VFE_CMD_IP_FORMAT_SEL_GBGB	0x0003
+#define	VFE_CMD_IP_FORMAT_SEL_YCBYCR	0x0004
+#define	VFE_CMD_IP_FORMAT_SEL_YCRYCB	0x0005
+#define	VFE_CMD_IP_FORMAT_SEL_CBYCRY	0x0006
+#define	VFE_CMD_IP_FORMAT_SEL_CRYCBY	0x0007
+#define	VFE_CMD_IP_FORMAT_SEL_NO_CHROMA	0x0000
+#define	VFE_CMD_IP_FORMAT_SEL_CHROMA	0x0008
+
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	ip_format_sel;
+	unsigned int	balance_gains_part1;
+	unsigned int	balance_gains_part2;
+} __attribute__((packed)) vfe_cmd_ip_format_cfg;
+
+
+
+/*
+ * Command to program max and min allowed op values
+ */
+
+#define	VFE_CMD_OP_CLAMP_CFG		0x0009
+#define	VFE_CMD_OP_CLAMP_CFG_LEN	\
+	sizeof(vfe_cmd_op_clamp_cfg)
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	op_clamp_max;
+	unsigned int	op_clamp_min;
+} __attribute__((packed)) vfe_cmd_op_clamp_cfg;
+
+
+/*
+ * Command to program chroma sub sample module
+ */
+
+#define	VFE_CMD_CHROMA_SUBSAMPLE_CFG		0x000A
+#define	VFE_CMD_CHROMA_SUBSAMPLE_CFG_LEN	\
+	sizeof(vfe_cmd_chroma_subsample_cfg)
+
+#define	VFE_CMD_CHROMA_SUBSAMP_SEL_H_INTERESTIAL_SAMPS	0x0000
+#define	VFE_CMD_CHROMA_SUBSAMP_SEL_H_COSITED_SAMPS	0x0001
+#define	VFE_CMD_CHROMA_SUBSAMP_SEL_V_INTERESTIAL_SAMPS	0x0000
+#define	VFE_CMD_CHROMA_SUBSAMP_SEL_V_COSITED_SAMPS	0x0002
+#define	VFE_CMD_CHROMA_SUBSAMP_SEL_H_SUBSAMP_DIS	0x0000
+#define	VFE_CMD_CHROMA_SUBSAMP_SEL_H_SUBSAMP_ENA	0x0004
+#define	VFE_CMD_CHROMA_SUBSAMP_SEL_V_SUBSAMP_DIS	0x0000
+#define	VFE_CMD_CHROMA_SUBSAMP_SEL_V_SUBSAMP_ENA	0x0008
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	chroma_subsamp_sel;
+} __attribute__((packed)) vfe_cmd_chroma_subsample_cfg;
+
+
+/*
+ * Command to program the white balance module
+ */
+
+#define	VFE_CMD_WHITE_BALANCE_CFG	0x000B
+#define	VFE_CMD_WHITE_BALANCE_CFG_LEN	\
+	sizeof(vfe_cmd_white_balance_cfg)
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	white_balance_gains;
+} __attribute__((packed)) vfe_cmd_white_balance_cfg;
+
+
+/*
+ * Command to program the color processing module
+ */
+
+#define	VFE_CMD_COLOR_PROCESS_CFG	0x000C
+#define	VFE_CMD_COLOR_PROCESS_CFG_LEN	\
+	sizeof(vfe_cmd_color_process_cfg)
+
+#define	VFE_CMD_COLOR_CORRE_PART7_Q7_FACTORS	0x0000
+#define	VFE_CMD_COLOR_CORRE_PART7_Q8_FACTORS	0x0001
+#define	VFE_CMD_COLOR_CORRE_PART7_Q9_FACTORS	0x0002
+#define	VFE_CMD_COLOR_CORRE_PART7_Q10_FACTORS	0x0003
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	color_correction_part1;
+	unsigned int	color_correction_part2;
+	unsigned int	color_correction_part3;
+	unsigned int	color_correction_part4;
+	unsigned int	color_correction_part5;
+	unsigned int	color_correction_part6;
+	unsigned int	color_correction_part7;
+	unsigned int	chroma_enhance_part1;
+	unsigned int	chroma_enhance_part2;
+	unsigned int	chroma_enhance_part3;
+	unsigned int	chroma_enhance_part4;
+	unsigned int	chroma_enhance_part5;
+	unsigned int	luma_calc_part1;
+	unsigned int	luma_calc_part2;
+} __attribute__((packed)) vfe_cmd_color_process_cfg;
+
+
+/*
+ * Command to program adaptive filter module
+ */
+
+#define	VFE_CMD_ADP_FILTER_CFG		0x000D
+#define	VFE_CMD_ADP_FILTER_CFG_LEN	\
+	sizeof(vfe_cmd_adp_filter_cfg)
+
+#define	VFE_CMD_ASF_CFG_PART_SMOOTH_FILTER_DIS		0x0000
+#define	VFE_CMD_ASF_CFG_PART_SMOOTH_FILTER_ENA		0x0001
+#define	VFE_CMD_ASF_CFG_PART_NO_SHARP_MODE		0x0000
+#define	VFE_CMD_ASF_CFG_PART_SINGLE_FILTER		0x0002
+#define	VFE_CMD_ASF_CFG_PART_DUAL_FILTER		0x0004
+#define	VFE_CMD_ASF_CFG_PART_SHARP_MODE			0x0007
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	asf_cfg_part[7];
+} __attribute__((packed)) vfe_cmd_adp_filter_cfg;
+
+
+/*
+ * Command to program for frame skip pattern for op1 and op2
+ */
+
+#define	VFE_CMD_FRAME_SKIP_CFG		0x000E
+#define	VFE_CMD_FRAME_SKIP_CFG_LEN	\
+	sizeof(vfe_cmd_frame_skip_cfg)
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	frame_skip_pattern_op1;
+	unsigned int	frame_skip_pattern_op2;
+} __attribute__((packed)) vfe_cmd_frame_skip_cfg;
+
+
+/*
+ * Command to program field-of-view crop for digital zoom
+ */
+
+#define	VFE_CMD_FOV_CROP	0x000F
+#define	VFE_CMD_FOV_CROP_LEN	sizeof(vfe_cmd_fov_crop)
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	fov_crop_part1;
+	unsigned int	fov_crop_part2;
+} __attribute__((packed)) vfe_cmd_fov_crop;
+
+
+
+/*
+ * Command to program auto focus(AF) statistics module
+ */
+
+#define	VFE_CMD_STATS_AUTOFOCUS_CFG	0x0010
+#define	VFE_CMD_STATS_AUTOFOCUS_CFG_LEN	\
+	sizeof(vfe_cmd_stats_autofocus_cfg)
+
+#define	VFE_CMD_AF_STATS_SEL_STATS_DIS	0x0000
+#define	VFE_CMD_AF_STATS_SEL_STATS_ENA	0x0001
+#define	VFE_CMD_AF_STATS_SEL_PRI_FIXED	0x0000
+#define	VFE_CMD_AF_STATS_SEL_PRI_VAR	0x0002
+#define	VFE_CMD_AF_STATS_CFG_PART_METRIC_SUM	0x00000000
+#define	VFE_CMD_AF_STATS_CFG_PART_METRIC_MAX	0x00200000
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	af_stats_sel;
+	unsigned int	af_stats_cfg_part[8];
+	unsigned int	af_stats_op_buf_hdr;
+	unsigned int	af_stats_op_buf[3];
+} __attribute__((packed)) vfe_cmd_stats_autofocus_cfg;
+
+
+/*
+ * Command to program White balance(wb) and exposure (exp)
+ * statistics module
+ */
+
+#define	VFE_CMD_STATS_WB_EXP_CFG	0x0011
+#define	VFE_CMD_STATS_WB_EXP_CFG_LEN	\
+	sizeof(vfe_cmd_stats_wb_exp_cfg)
+
+#define	VFE_CMD_WB_EXP_STATS_SEL_STATS_DIS	0x0000
+#define	VFE_CMD_WB_EXP_STATS_SEL_STATS_ENA	0x0001
+#define	VFE_CMD_WB_EXP_STATS_SEL_PRI_FIXED	0x0000
+#define	VFE_CMD_WB_EXP_STATS_SEL_PRI_VAR	0x0002
+
+#define	VFE_CMD_WB_EXP_STATS_CFG_PART1_EXP_REG_8_8	0x0000
+#define	VFE_CMD_WB_EXP_STATS_CFG_PART1_EXP_REG_16_16	0x0001
+#define	VFE_CMD_WB_EXP_STATS_CFG_PART1_EXP_SREG_8_8	0x0000
+#define	VFE_CMD_WB_EXP_STATS_CFG_PART1_EXP_SREG_4_4	0x0002
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	wb_exp_stats_sel;
+	unsigned int	wb_exp_stats_cfg_part1;
+	unsigned int	wb_exp_stats_cfg_part2;
+	unsigned int	wb_exp_stats_cfg_part3;
+	unsigned int	wb_exp_stats_cfg_part4;
+	unsigned int	wb_exp_stats_op_buf_hdr;
+	unsigned int	wb_exp_stats_op_buf[3];
+} __attribute__((packed)) vfe_cmd_stats_wb_exp_cfg;
+
+
+/*
+ * Command to program histogram(hg) stats module
+ */
+
+#define	VFE_CMD_STATS_HG_CFG		0x0012
+#define	VFE_CMD_STATS_HG_CFG_LEN	\
+	sizeof(vfe_cmd_stats_hg_cfg)
+
+#define	VFE_CMD_HG_STATS_SEL_PRI_FIXED	0x0000
+#define	VFE_CMD_HG_STATS_SEL_PRI_VAR	0x0002
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	hg_stats_sel;
+	unsigned int	hg_stats_cfg_part1;
+	unsigned int	hg_stats_cfg_part2;
+	unsigned int	hg_stats_op_buf_hdr;
+	unsigned int	hg_stats_op_buf;
+} __attribute__((packed)) vfe_cmd_stats_hg_cfg;
+
+
+/*
+ * Command to acknowledge last MSG_VFE_OP1 message
+ */
+
+#define	VFE_CMD_OP1_ACK		0x0013
+#define	VFE_CMD_OP1_ACK_LEN	sizeof(vfe_cmd_op1_ack)
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	op1_buf_y_addr;
+	unsigned int	op1_buf_cbcr_addr;
+} __attribute__((packed)) vfe_cmd_op1_ack;
+
+
+
+/*
+ * Command to acknowledge last MSG_VFE_OP2 message
+ */
+
+#define	VFE_CMD_OP2_ACK		0x0014
+#define	VFE_CMD_OP2_ACK_LEN	sizeof(vfe_cmd_op2_ack)
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	op2_buf_y_addr;
+	unsigned int	op2_buf_cbcr_addr;
+} __attribute__((packed)) vfe_cmd_op2_ack;
+
+
+
+/*
+ * Command to acknowledge MSG_VFE_STATS_AUTOFOCUS msg
+ */
+
+#define	VFE_CMD_STATS_AF_ACK		0x0015
+#define	VFE_CMD_STATS_AF_ACK_LEN	sizeof(vfe_cmd_stats_af_ack)
+
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	af_stats_op_buf;
+} __attribute__((packed)) vfe_cmd_stats_af_ack;
+
+
+/*
+ * Command to acknowledge MSG_VFE_STATS_WB_EXP msg
+ */
+
+#define	VFE_CMD_STATS_WB_EXP_ACK	0x0016
+#define	VFE_CMD_STATS_WB_EXP_ACK_LEN	sizeof(vfe_cmd_stats_wb_exp_ack)
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	wb_exp_stats_op_buf;
+} __attribute__((packed)) vfe_cmd_stats_wb_exp_ack;
+
+
+/*
+ * Command to acknowledge MSG_VFE_EPOCH1 message
+ */
+
+#define	VFE_CMD_EPOCH1_ACK	0x0017
+#define	VFE_CMD_EPOCH1_ACK_LEN	sizeof(vfe_cmd_epoch1_ack)
+
+typedef struct {
+	unsigned short cmd_id;
+} __attribute__((packed)) vfe_cmd_epoch1_ack;
+
+
+/*
+ * Command to acknowledge MSG_VFE_EPOCH2 message
+ */
+
+#define	VFE_CMD_EPOCH2_ACK	0x0018
+#define	VFE_CMD_EPOCH2_ACK_LEN	sizeof(vfe_cmd_epoch2_ack)
+
+typedef struct {
+	unsigned short cmd_id;
+} __attribute__((packed)) vfe_cmd_epoch2_ack;
+
+
+
+/*
+ * Command to configure, enable or disable synchronous timer1
+ */
+
+#define	VFE_CMD_SYNC_TIMER1_CFG		0x0019
+#define	VFE_CMD_SYNC_TIMER1_CFG_LEN	\
+	sizeof(vfe_cmd_sync_timer1_cfg)
+
+#define	VFE_CMD_SYNC_T1_CFG_PART1_TIMER_DIS	0x0000
+#define	VFE_CMD_SYNC_T1_CFG_PART1_TIMER_ENA	0x0001
+#define	VFE_CMD_SYNC_T1_CFG_PART1_POL_HIGH	0x0000
+#define	VFE_CMD_SYNC_T1_CFG_PART1_POL_LOW	0x0002
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	sync_t1_cfg_part1;
+	unsigned int	sync_t1_h_sync_countdown;
+	unsigned int	sync_t1_pclk_countdown;
+	unsigned int	sync_t1_duration;
+} __attribute__((packed)) vfe_cmd_sync_timer1_cfg;
+
+
+/*
+ * Command to configure, enable or disable synchronous timer1
+ */
+
+#define	VFE_CMD_SYNC_TIMER2_CFG		0x001A
+#define	VFE_CMD_SYNC_TIMER2_CFG_LEN	\
+	sizeof(vfe_cmd_sync_timer2_cfg)
+
+#define	VFE_CMD_SYNC_T2_CFG_PART1_TIMER_DIS	0x0000
+#define	VFE_CMD_SYNC_T2_CFG_PART1_TIMER_ENA	0x0001
+#define	VFE_CMD_SYNC_T2_CFG_PART1_POL_HIGH	0x0000
+#define	VFE_CMD_SYNC_T2_CFG_PART1_POL_LOW	0x0002
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	sync_t2_cfg_part1;
+	unsigned int	sync_t2_h_sync_countdown;
+	unsigned int	sync_t2_pclk_countdown;
+	unsigned int	sync_t2_duration;
+} __attribute__((packed)) vfe_cmd_sync_timer2_cfg;
+
+
+/*
+ * Command to configure and start asynchronous timer1
+ */
+
+#define	VFE_CMD_ASYNC_TIMER1_START	0x001B
+#define	VFE_CMD_ASYNC_TIMER1_START_LEN	\
+	sizeof(vfe_cmd_async_timer1_start)
+
+#define	VFE_CMD_ASYNC_T1_POLARITY_A_HIGH	0x0000
+#define	VFE_CMD_ASYNC_T1_POLARITY_A_LOW		0x0001
+#define	VFE_CMD_ASYNC_T1_POLARITY_B_HIGH	0x0000
+#define	VFE_CMD_ASYNC_T1_POLARITY_B_LOW		0x0002
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	async_t1a_cfg;
+	unsigned int	async_t1b_cfg;
+	unsigned int	async_t1_polarity;
+} __attribute__((packed)) vfe_cmd_async_timer1_start;
+
+
+/*
+ * Command to configure and start asynchronous timer2
+ */
+
+#define	VFE_CMD_ASYNC_TIMER2_START	0x001C
+#define	VFE_CMD_ASYNC_TIMER2_START_LEN	\
+	sizeof(vfe_cmd_async_timer2_start)
+
+#define	VFE_CMD_ASYNC_T2_POLARITY_A_HIGH	0x0000
+#define	VFE_CMD_ASYNC_T2_POLARITY_A_LOW		0x0001
+#define	VFE_CMD_ASYNC_T2_POLARITY_B_HIGH	0x0000
+#define	VFE_CMD_ASYNC_T2_POLARITY_B_LOW		0x0002
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	async_t2a_cfg;
+	unsigned int	async_t2b_cfg;
+	unsigned int	async_t2_polarity;
+} __attribute__((packed)) vfe_cmd_async_timer2_start;
+
+
+/*
+ * Command to program partial configurations of auto focus(af)
+ */
+
+#define	VFE_CMD_STATS_AF_UPDATE		0x001D
+#define	VFE_CMD_STATS_AF_UPDATE_LEN	\
+	sizeof(vfe_cmd_stats_af_update)
+
+#define	VFE_CMD_AF_UPDATE_PART1_WINDOW_ONE	0x00000000
+#define	VFE_CMD_AF_UPDATE_PART1_WINDOW_MULTI	0x80000000
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	af_update_part1;
+	unsigned int	af_update_part2;
+} __attribute__((packed)) vfe_cmd_stats_af_update;
+
+
+/*
+ * Command to program partial cfg of wb and exp
+ */
+
+#define	VFE_CMD_STATS_WB_EXP_UPDATE	0x001E
+#define	VFE_CMD_STATS_WB_EXP_UPDATE_LEN	\
+	sizeof(vfe_cmd_stats_wb_exp_update)
+
+#define	VFE_CMD_WB_EXP_UPDATE_PART1_REGIONS_8_8		0x0000
+#define	VFE_CMD_WB_EXP_UPDATE_PART1_REGIONS_16_16	0x0001
+#define	VFE_CMD_WB_EXP_UPDATE_PART1_SREGIONS_8_8	0x0000
+#define	VFE_CMD_WB_EXP_UPDATE_PART1_SREGIONS_4_4	0x0002
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	wb_exp_update_part1;
+	unsigned int	wb_exp_update_part2;
+	unsigned int	wb_exp_update_part3;
+	unsigned int	wb_exp_update_part4;
+} __attribute__((packed)) vfe_cmd_stats_wb_exp_update;
+
+
+
+/*
+ * Command to re program the CAMIF FRAME CONFIG settings
+ */
+
+#define	VFE_CMD_UPDATE_CAMIF_FRAME_CFG		0x001F
+#define	VFE_CMD_UPDATE_CAMIF_FRAME_CFG_LEN	\
+	sizeof(vfe_cmd_update_camif_frame_cfg)
+
+typedef struct {
+	unsigned int	cmd_id;
+	unsigned int	camif_frame_cfg;
+} __attribute__((packed)) vfe_cmd_update_camif_frame_cfg;
+
+
+#endif
diff --git a/drivers/staging/dream/include/mach/qdsp5/qdsp5vfemsg.h b/drivers/staging/dream/include/mach/qdsp5/qdsp5vfemsg.h
new file mode 100644
index 000000000000..0053cfb65ba1
--- /dev/null
+++ b/drivers/staging/dream/include/mach/qdsp5/qdsp5vfemsg.h
@@ -0,0 +1,290 @@
+#ifndef QDSP5VFEMSGI_H
+#define QDSP5VFEMSGI_H
+
+/*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*
+
+    V F E   I N T E R N A L   M E S S A G E S
+
+GENERAL DESCRIPTION
+  This file contains defintions of format blocks of commands
+  that are sent by VFE Task
+
+REFERENCES
+  None
+
+EXTERNALIZED FUNCTIONS
+  None
+
+Copyright(c) 1992 - 2008 by QUALCOMM, Incorporated.
+
+This software is licensed under the terms of the GNU General Public
+License version 2, as published by the Free Software Foundation, and
+may be copied, distributed, and modified under those terms.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+*====*====*====*====*====*====*====*====*====*====*====*====*====*====*====*/
+/*===========================================================================
+
+                      EDIT HISTORY FOR FILE
+
+This section contains comments describing changes made to this file.
+Notice that changes are listed in reverse chronological order.
+
+$Header: //source/qcom/qct/multimedia2/AdspSvc/7XXX/qdsp5cmd/video/qdsp5vfemsg.h#2 $ $DateTime: 2008/07/30 10:50:23 $ $Author: pavanr $
+Revision History:
+
+when       who     what, where, why
+--------   ---     ----------------------------------------------------------
+06/12/08   sv      initial version
+===========================================================================*/
+
+
+/*
+ * Message to acknowledge CMD_VFE_REST command
+ */
+
+#define	VFE_MSG_RESET_ACK	0x0000
+#define	VFE_MSG_RESET_ACK_LEN	sizeof(vfe_msg_reset_ack)
+
+typedef struct {
+} __attribute__((packed)) vfe_msg_reset_ack;
+
+
+/*
+ * Message to acknowledge CMD_VFE_START command
+ */
+
+#define	VFE_MSG_START_ACK	0x0001
+#define	VFE_MSG_START_ACK_LEN	sizeof(vfe_msg_start_ack)
+
+typedef struct {
+} __attribute__((packed)) vfe_msg_start_ack;
+
+/*
+ * Message to acknowledge CMD_VFE_STOP	command
+ */
+
+#define	VFE_MSG_STOP_ACK	0x0002
+#define	VFE_MSG_STOP_ACK_LEN	sizeof(vfe_msg_stop_ack)
+
+typedef struct {
+} __attribute__((packed)) vfe_msg_stop_ack;
+
+
+/*
+ * Message to acknowledge CMD_VFE_UPDATE command
+ */
+
+#define	VFE_MSG_UPDATE_ACK	0x0003
+#define	VFE_MSG_UPDATE_ACK_LEN	sizeof(vfe_msg_update_ack)
+
+typedef struct {
+} __attribute__((packed)) vfe_msg_update_ack;
+
+
+/*
+ * Message to notify the ARM that snapshot processing is complete
+ * and that the VFE is now STATE_VFE_IDLE
+ */
+
+#define	VFE_MSG_SNAPSHOT_DONE		0x0004
+#define	VFE_MSG_SNAPSHOT_DONE_LEN	\
+	sizeof(vfe_msg_snapshot_done)
+
+typedef struct {
+} __attribute__((packed)) vfe_msg_snapshot_done;
+
+
+
+/*
+ * Message to notify ARM that illegal cmd was received and
+ * system is in the IDLE state
+ */
+
+#define	VFE_MSG_ILLEGAL_CMD	0x0005
+#define	VFE_MSG_ILLEGAL_CMD_LEN	\
+	sizeof(vfe_msg_illegal_cmd)
+
+typedef struct {
+	unsigned int	status;
+} __attribute__((packed)) vfe_msg_illegal_cmd;
+
+
+/*
+ * Message to notify ARM that op1 buf is full and ready
+ */
+
+#define	VFE_MSG_OP1		0x0006
+#define	VFE_MSG_OP1_LEN		sizeof(vfe_msg_op1)
+
+typedef struct {
+	unsigned int	op1_buf_y_addr;
+	unsigned int	op1_buf_cbcr_addr;
+	unsigned int	black_level_even_col;
+	unsigned int	black_level_odd_col;
+	unsigned int	defect_pixels_detected;
+	unsigned int	asf_max_edge;
+} __attribute__((packed)) vfe_msg_op1;
+
+
+/*
+ * Message to notify ARM that op2 buf is full and ready
+ */
+
+#define	VFE_MSG_OP2		0x0007
+#define	VFE_MSG_OP2_LEN		sizeof(vfe_msg_op2)
+
+typedef struct {
+	unsigned int	op2_buf_y_addr;
+	unsigned int	op2_buf_cbcr_addr;
+	unsigned int	black_level_even_col;
+	unsigned int	black_level_odd_col;
+	unsigned int	defect_pixels_detected;
+	unsigned int	asf_max_edge;
+} __attribute__((packed)) vfe_msg_op2;
+
+
+/*
+ * Message to notify ARM that autofocus(af) stats are ready
+ */
+
+#define	VFE_MSG_STATS_AF	0x0008
+#define	VFE_MSG_STATS_AF_LEN	sizeof(vfe_msg_stats_af)
+
+typedef struct {
+	unsigned int	af_stats_op_buffer;
+} __attribute__((packed)) vfe_msg_stats_af;
+
+
+/*
+ * Message to notify ARM that white balance(wb) and exposure (exp)
+ * stats are ready
+ */
+
+#define	VFE_MSG_STATS_WB_EXP		0x0009
+#define	VFE_MSG_STATS_WB_EXP_LEN	\
+	sizeof(vfe_msg_stats_wb_exp)
+
+typedef struct {
+	unsigned int	wb_exp_stats_op_buf;
+} __attribute__((packed)) vfe_msg_stats_wb_exp;
+
+
+/*
+ * Message to notify the ARM that histogram(hg) stats are ready
+ */
+
+#define	VFE_MSG_STATS_HG	0x000A
+#define	VFE_MSG_STATS_HG_LEN	sizeof(vfe_msg_stats_hg)
+
+typedef struct {
+	unsigned int	hg_stats_op_buf;
+} __attribute__((packed)) vfe_msg_stats_hg;
+
+
+/*
+ * Message to notify the ARM that epoch1 event occurred in the CAMIF
+ */
+
+#define	VFE_MSG_EPOCH1		0x000B
+#define	VFE_MSG_EPOCH1_LEN	sizeof(vfe_msg_epoch1)
+
+typedef struct {
+} __attribute__((packed)) vfe_msg_epoch1;
+
+
+/*
+ * Message to notify the ARM that epoch2 event occurred in the CAMIF
+ */
+
+#define	VFE_MSG_EPOCH2		0x000C
+#define	VFE_MSG_EPOCH2_LEN	sizeof(vfe_msg_epoch2)
+
+typedef struct {
+} __attribute__((packed)) vfe_msg_epoch2;
+
+
+/*
+ * Message to notify the ARM that sync timer1 op is completed
+ */
+
+#define	VFE_MSG_SYNC_T1_DONE		0x000D
+#define	VFE_MSG_SYNC_T1_DONE_LEN	sizeof(vfe_msg_sync_t1_done)
+
+typedef struct {
+} __attribute__((packed)) vfe_msg_sync_t1_done;
+
+
+/*
+ * Message to notify the ARM that sync timer2 op is completed
+ */
+
+#define	VFE_MSG_SYNC_T2_DONE		0x000E
+#define	VFE_MSG_SYNC_T2_DONE_LEN	sizeof(vfe_msg_sync_t2_done)
+
+typedef struct {
+} __attribute__((packed)) vfe_msg_sync_t2_done;
+
+
+/*
+ * Message to notify the ARM that async t1 operation completed
+ */
+
+#define	VFE_MSG_ASYNC_T1_DONE		0x000F
+#define	VFE_MSG_ASYNC_T1_DONE_LEN	sizeof(vfe_msg_async_t1_done)
+
+typedef struct {
+} __attribute__((packed)) vfe_msg_async_t1_done;
+
+
+
+/*
+ * Message to notify the ARM that async t2 operation completed
+ */
+
+#define	VFE_MSG_ASYNC_T2_DONE		0x0010
+#define	VFE_MSG_ASYNC_T2_DONE_LEN	sizeof(vfe_msg_async_t2_done)
+
+typedef struct {
+} __attribute__((packed)) vfe_msg_async_t2_done;
+
+
+
+/*
+ * Message to notify the ARM that an error has occurred
+ */
+
+#define	VFE_MSG_ERROR		0x0011
+#define	VFE_MSG_ERROR_LEN	sizeof(vfe_msg_error)
+
+#define	VFE_MSG_ERR_COND_NO_CAMIF_ERR		0x0000
+#define	VFE_MSG_ERR_COND_CAMIF_ERR		0x0001
+#define	VFE_MSG_ERR_COND_OP1_Y_NO_BUS_OF	0x0000
+#define	VFE_MSG_ERR_COND_OP1_Y_BUS_OF		0x0002
+#define	VFE_MSG_ERR_COND_OP1_CBCR_NO_BUS_OF	0x0000
+#define	VFE_MSG_ERR_COND_OP1_CBCR_BUS_OF	0x0004
+#define	VFE_MSG_ERR_COND_OP2_Y_NO_BUS_OF	0x0000
+#define	VFE_MSG_ERR_COND_OP2_Y_BUS_OF		0x0008
+#define	VFE_MSG_ERR_COND_OP2_CBCR_NO_BUS_OF	0x0000
+#define	VFE_MSG_ERR_COND_OP2_CBCR_BUS_OF	0x0010
+#define	VFE_MSG_ERR_COND_AF_NO_BUS_OF		0x0000
+#define	VFE_MSG_ERR_COND_AF_BUS_OF		0x0020
+#define	VFE_MSG_ERR_COND_WB_EXP_NO_BUS_OF	0x0000
+#define	VFE_MSG_ERR_COND_WB_EXP_BUS_OF		0x0040
+#define	VFE_MSG_ERR_COND_NO_AXI_ERR		0x0000
+#define	VFE_MSG_ERR_COND_AXI_ERR		0x0080
+
+#define	VFE_MSG_CAMIF_STS_IDLE			0x0000
+#define	VFE_MSG_CAMIF_STS_CAPTURE_DATA		0x0001
+
+typedef struct {
+	unsigned int	err_cond;
+	unsigned int	camif_sts;
+} __attribute__((packed)) vfe_msg_error;
+
+
+#endif
diff --git a/drivers/staging/dream/include/media/msm_camera.h b/drivers/staging/dream/include/media/msm_camera.h
new file mode 100644
index 000000000000..09812d62cc1e
--- /dev/null
+++ b/drivers/staging/dream/include/media/msm_camera.h
@@ -0,0 +1,388 @@
+/*
+ * Copyright (C) 2008-2009 QUALCOMM Incorporated.
+ */
+#ifndef __LINUX_MSM_CAMERA_H
+#define __LINUX_MSM_CAMERA_H
+
+#include <linux/types.h>
+#include <asm/sizes.h>
+#include <linux/ioctl.h>
+
+#define MSM_CAM_IOCTL_MAGIC 'm'
+
+#define MSM_CAM_IOCTL_GET_SENSOR_INFO \
+	_IOR(MSM_CAM_IOCTL_MAGIC, 1, struct msm_camsensor_info *)
+
+#define MSM_CAM_IOCTL_REGISTER_PMEM \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 2, struct msm_pmem_info *)
+
+#define MSM_CAM_IOCTL_UNREGISTER_PMEM \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 3, unsigned)
+
+#define MSM_CAM_IOCTL_CTRL_COMMAND \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 4, struct msm_ctrl_cmd *)
+
+#define MSM_CAM_IOCTL_CONFIG_VFE  \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 5, struct msm_camera_vfe_cfg_cmd *)
+
+#define MSM_CAM_IOCTL_GET_STATS \
+	_IOR(MSM_CAM_IOCTL_MAGIC, 6, struct msm_camera_stats_event_ctrl *)
+
+#define MSM_CAM_IOCTL_GETFRAME \
+	_IOR(MSM_CAM_IOCTL_MAGIC, 7, struct msm_camera_get_frame *)
+
+#define MSM_CAM_IOCTL_ENABLE_VFE \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 8, struct camera_enable_cmd *)
+
+#define MSM_CAM_IOCTL_CTRL_CMD_DONE \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 9, struct camera_cmd *)
+
+#define MSM_CAM_IOCTL_CONFIG_CMD \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 10, struct camera_cmd *)
+
+#define MSM_CAM_IOCTL_DISABLE_VFE \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 11, struct camera_enable_cmd *)
+
+#define MSM_CAM_IOCTL_PAD_REG_RESET2 \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 12, struct camera_enable_cmd *)
+
+#define MSM_CAM_IOCTL_VFE_APPS_RESET \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 13, struct camera_enable_cmd *)
+
+#define MSM_CAM_IOCTL_RELEASE_FRAME_BUFFER \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 14, struct camera_enable_cmd *)
+
+#define MSM_CAM_IOCTL_RELEASE_STATS_BUFFER \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 15, struct msm_stats_buf *)
+
+#define MSM_CAM_IOCTL_AXI_CONFIG \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 16, struct msm_camera_vfe_cfg_cmd *)
+
+#define MSM_CAM_IOCTL_GET_PICTURE \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 17, struct msm_camera_ctrl_cmd *)
+
+#define MSM_CAM_IOCTL_SET_CROP \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 18, struct crop_info *)
+
+#define MSM_CAM_IOCTL_PICT_PP \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 19, uint8_t *)
+
+#define MSM_CAM_IOCTL_PICT_PP_DONE \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 20, struct msm_snapshot_pp_status *)
+
+#define MSM_CAM_IOCTL_SENSOR_IO_CFG \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 21, struct sensor_cfg_data *)
+
+#define MSM_CAMERA_LED_OFF  0
+#define MSM_CAMERA_LED_LOW  1
+#define MSM_CAMERA_LED_HIGH 2
+
+#define MSM_CAM_IOCTL_FLASH_LED_CFG \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 22, unsigned *)
+
+#define MSM_CAM_IOCTL_UNBLOCK_POLL_FRAME \
+	_IO(MSM_CAM_IOCTL_MAGIC, 23)
+
+#define MSM_CAM_IOCTL_CTRL_COMMAND_2 \
+	_IOW(MSM_CAM_IOCTL_MAGIC, 24, struct msm_ctrl_cmd *)
+
+#define MAX_SENSOR_NUM  3
+#define MAX_SENSOR_NAME 32
+
+#define MSM_CAM_CTRL_CMD_DONE  0
+#define MSM_CAM_SENSOR_VFE_CMD 1
+
+/*****************************************************
+ *  structure
+ *****************************************************/
+
+/* define five type of structures for userspace <==> kernel
+ * space communication:
+ * command 1 - 2 are from userspace ==> kernel
+ * command 3 - 4 are from kernel ==> userspace
+ *
+ * 1. control command: control command(from control thread),
+ *                     control status (from config thread);
+ */
+struct msm_ctrl_cmd {
+	uint16_t type;
+	uint16_t length;
+	void *value;
+	uint16_t status;
+	uint32_t timeout_ms;
+	int resp_fd; /* FIXME: to be used by the kernel, pass-through for now */
+};
+
+struct msm_vfe_evt_msg {
+	unsigned short type; /* 1 == event (RPC), 0 == message (adsp) */
+	unsigned short msg_id;
+	unsigned int len; /* size in, number of bytes out */
+	void *data;
+};
+
+#define MSM_CAM_RESP_CTRL         0
+#define MSM_CAM_RESP_STAT_EVT_MSG 1
+#define MSM_CAM_RESP_V4L2         2
+#define MSM_CAM_RESP_MAX          3
+
+/* this one is used to send ctrl/status up to config thread */
+struct msm_stats_event_ctrl {
+	/* 0 - ctrl_cmd from control thread,
+	 * 1 - stats/event kernel,
+	 * 2 - V4L control or read request */
+	int resptype;
+	int timeout_ms;
+	struct msm_ctrl_cmd ctrl_cmd;
+	/* struct  vfe_event_t  stats_event; */
+	struct msm_vfe_evt_msg stats_event;
+};
+
+/* 2. config command: config command(from config thread); */
+struct msm_camera_cfg_cmd {
+	/* what to config:
+	 * 1 - sensor config, 2 - vfe config */
+	uint16_t cfg_type;
+
+	/* sensor config type */
+	uint16_t cmd_type;
+	uint16_t queue;
+	uint16_t length;
+	void *value;
+};
+
+#define CMD_GENERAL			0
+#define CMD_AXI_CFG_OUT1		1
+#define CMD_AXI_CFG_SNAP_O1_AND_O2	2
+#define CMD_AXI_CFG_OUT2		3
+#define CMD_PICT_T_AXI_CFG		4
+#define CMD_PICT_M_AXI_CFG		5
+#define CMD_RAW_PICT_AXI_CFG		6
+#define CMD_STATS_AXI_CFG		7
+#define CMD_STATS_AF_AXI_CFG		8
+#define CMD_FRAME_BUF_RELEASE		9
+#define CMD_PREV_BUF_CFG		10
+#define CMD_SNAP_BUF_RELEASE		11
+#define CMD_SNAP_BUF_CFG		12
+#define CMD_STATS_DISABLE		13
+#define CMD_STATS_ENABLE		14
+#define CMD_STATS_AF_ENABLE		15
+#define CMD_STATS_BUF_RELEASE		16
+#define CMD_STATS_AF_BUF_RELEASE	17
+#define UPDATE_STATS_INVALID		18
+
+/* vfe config command: config command(from config thread)*/
+struct msm_vfe_cfg_cmd {
+	int cmd_type;
+	uint16_t length;
+	void *value;
+};
+
+#define MAX_CAMERA_ENABLE_NAME_LEN 32
+struct camera_enable_cmd {
+	char name[MAX_CAMERA_ENABLE_NAME_LEN];
+};
+
+#define MSM_PMEM_OUTPUT1		0
+#define MSM_PMEM_OUTPUT2		1
+#define MSM_PMEM_OUTPUT1_OUTPUT2	2
+#define MSM_PMEM_THUMBAIL		3
+#define MSM_PMEM_MAINIMG		4
+#define MSM_PMEM_RAW_MAINIMG		5
+#define MSM_PMEM_AEC_AWB		6
+#define MSM_PMEM_AF			7
+#define MSM_PMEM_MAX			8
+
+#define FRAME_PREVIEW_OUTPUT1		0
+#define FRAME_PREVIEW_OUTPUT2		1
+#define FRAME_SNAPSHOT			2
+#define FRAME_THUMBAIL			3
+#define FRAME_RAW_SNAPSHOT		4
+#define FRAME_MAX			5
+
+struct msm_pmem_info {
+	int type;
+	int fd;
+	void *vaddr;
+	uint32_t y_off;
+	uint32_t cbcr_off;
+	uint8_t active;
+};
+
+struct outputCfg {
+	uint32_t height;
+	uint32_t width;
+
+	uint32_t window_height_firstline;
+	uint32_t window_height_lastline;
+};
+
+#define OUTPUT_1	0
+#define OUTPUT_2	1
+#define OUTPUT_1_AND_2	2
+#define CAMIF_TO_AXI_VIA_OUTPUT_2		3
+#define OUTPUT_1_AND_CAMIF_TO_AXI_VIA_OUTPUT_2	4
+#define OUTPUT_2_AND_CAMIF_TO_AXI_VIA_OUTPUT_1	5
+#define LAST_AXI_OUTPUT_MODE_ENUM = OUTPUT_2_AND_CAMIF_TO_AXI_VIA_OUTPUT_1 6
+
+#define MSM_FRAME_PREV_1	0
+#define MSM_FRAME_PREV_2	1
+#define MSM_FRAME_ENC		2
+
+struct msm_frame {
+	int path;
+	unsigned long buffer;
+	uint32_t y_off;
+	uint32_t cbcr_off;
+	int fd;
+
+	void *cropinfo;
+	int croplen;
+};
+
+#define STAT_AEAW	0
+#define STAT_AF		1
+#define STAT_MAX	2
+
+struct msm_stats_buf {
+	int type;
+	unsigned long buffer;
+	int fd;
+};
+
+#define MSM_V4L2_VID_CAP_TYPE	0
+#define MSM_V4L2_STREAM_ON	1
+#define MSM_V4L2_STREAM_OFF	2
+#define MSM_V4L2_SNAPSHOT	3
+#define MSM_V4L2_QUERY_CTRL	4
+#define MSM_V4L2_GET_CTRL	5
+#define MSM_V4L2_SET_CTRL	6
+#define MSM_V4L2_QUERY		7
+#define MSM_V4L2_MAX		8
+
+struct crop_info {
+	void *info;
+	int len;
+};
+
+struct msm_postproc {
+	int ftnum;
+	struct msm_frame fthumnail;
+	int fmnum;
+	struct msm_frame fmain;
+};
+
+struct msm_snapshot_pp_status {
+	void *status;
+};
+
+#define CFG_SET_MODE			0
+#define CFG_SET_EFFECT			1
+#define CFG_START			2
+#define CFG_PWR_UP			3
+#define CFG_PWR_DOWN			4
+#define CFG_WRITE_EXPOSURE_GAIN		5
+#define CFG_SET_DEFAULT_FOCUS		6
+#define CFG_MOVE_FOCUS			7
+#define CFG_REGISTER_TO_REAL_GAIN	8
+#define CFG_REAL_TO_REGISTER_GAIN	9
+#define CFG_SET_FPS			10
+#define CFG_SET_PICT_FPS		11
+#define CFG_SET_BRIGHTNESS		12
+#define CFG_SET_CONTRAST		13
+#define CFG_SET_ZOOM			14
+#define CFG_SET_EXPOSURE_MODE		15
+#define CFG_SET_WB			16
+#define CFG_SET_ANTIBANDING		17
+#define CFG_SET_EXP_GAIN		18
+#define CFG_SET_PICT_EXP_GAIN		19
+#define CFG_SET_LENS_SHADING		20
+#define CFG_GET_PICT_FPS		21
+#define CFG_GET_PREV_L_PF		22
+#define CFG_GET_PREV_P_PL		23
+#define CFG_GET_PICT_L_PF		24
+#define CFG_GET_PICT_P_PL		25
+#define CFG_GET_AF_MAX_STEPS		26
+#define CFG_GET_PICT_MAX_EXP_LC		27
+#define CFG_MAX				28
+
+#define MOVE_NEAR	0
+#define MOVE_FAR	1
+
+#define SENSOR_PREVIEW_MODE		0
+#define SENSOR_SNAPSHOT_MODE		1
+#define SENSOR_RAW_SNAPSHOT_MODE	2
+
+#define SENSOR_QTR_SIZE			0
+#define SENSOR_FULL_SIZE		1
+#define SENSOR_INVALID_SIZE		2
+
+#define CAMERA_EFFECT_OFF		0
+#define CAMERA_EFFECT_MONO		1
+#define CAMERA_EFFECT_NEGATIVE		2
+#define CAMERA_EFFECT_SOLARIZE		3
+#define CAMERA_EFFECT_PASTEL		4
+#define CAMERA_EFFECT_MOSAIC		5
+#define CAMERA_EFFECT_RESIZE		6
+#define CAMERA_EFFECT_SEPIA		7
+#define CAMERA_EFFECT_POSTERIZE		8
+#define CAMERA_EFFECT_WHITEBOARD	9
+#define CAMERA_EFFECT_BLACKBOARD	10
+#define CAMERA_EFFECT_AQUA		11
+#define CAMERA_EFFECT_MAX		12
+
+struct sensor_pict_fps {
+	uint16_t prevfps;
+	uint16_t pictfps;
+};
+
+struct exp_gain_cfg {
+	uint16_t gain;
+	uint32_t line;
+};
+
+struct focus_cfg {
+	int32_t steps;
+	int dir;
+};
+
+struct fps_cfg {
+	uint16_t f_mult;
+	uint16_t fps_div;
+	uint32_t pict_fps_div;
+};
+
+struct sensor_cfg_data {
+	int cfgtype;
+	int mode;
+	int rs;
+	uint8_t max_steps;
+
+	union {
+		int8_t effect;
+		uint8_t lens_shading;
+		uint16_t prevl_pf;
+		uint16_t prevp_pl;
+		uint16_t pictl_pf;
+		uint16_t pictp_pl;
+		uint32_t pict_max_exp_lc;
+		uint16_t p_fps;
+		struct sensor_pict_fps gfps;
+		struct exp_gain_cfg exp_gain;
+		struct focus_cfg focus;
+		struct fps_cfg fps;
+	} cfg;
+};
+
+#define GET_NAME			0
+#define GET_PREVIEW_LINE_PER_FRAME	1
+#define GET_PREVIEW_PIXELS_PER_LINE	2
+#define GET_SNAPSHOT_LINE_PER_FRAME	3
+#define GET_SNAPSHOT_PIXELS_PER_LINE	4
+#define GET_SNAPSHOT_FPS		5
+#define GET_SNAPSHOT_MAX_EP_LINE_CNT	6
+
+struct msm_camsensor_info {
+	char name[MAX_SENSOR_NAME];
+	uint8_t flash_enabled;
+};
+#endif /* __LINUX_MSM_CAMERA_H */
diff --git a/drivers/staging/dream/pmem.c b/drivers/staging/dream/pmem.c
index def646812348..503ba212dc96 100644
--- a/drivers/staging/dream/pmem.c
+++ b/drivers/staging/dream/pmem.c
@@ -37,17 +37,17 @@
  * the file should not be released until put_pmem_file is called */
 #define PMEM_FLAGS_BUSY 0x1
 /* indicates that this is a suballocation of a larger master range */
-#define PMEM_FLAGS_CONNECTED 0x1 << 1
+#define PMEM_FLAGS_CONNECTED ( 0x1 << 1 )
 /* indicates this is a master and not a sub allocation and that it is mmaped */
-#define PMEM_FLAGS_MASTERMAP 0x1 << 2
+#define PMEM_FLAGS_MASTERMAP ( 0x1 << 2 )
 /* submap and unsubmap flags indicate:
  * 00: subregion has never been mmaped
  * 10: subregion has been mmaped, reference to the mm was taken
  * 11: subretion has ben released, refernece to the mm still held
  * 01: subretion has been released, reference to the mm has been released
  */
-#define PMEM_FLAGS_SUBMAP 0x1 << 3
-#define PMEM_FLAGS_UNSUBMAP 0x1 << 4
+#define PMEM_FLAGS_SUBMAP ( 0x1 << 3 )
+#define PMEM_FLAGS_UNSUBMAP ( 0x1 << 4 )
 
 
 struct pmem_data {
@@ -91,7 +91,7 @@ struct pmem_region_node {
 
 #define PMEM_DEBUG_MSGS 0
 #if PMEM_DEBUG_MSGS
-#define DLOG(fmt,args...) \
+#define DLOG(fmt, args...) \
 	do { printk(KERN_INFO "[%s:%s:%d] "fmt, __FILE__, __func__, __LINE__, \
 		    ##args); } \
 	while (0)
@@ -152,7 +152,7 @@ struct pmem_info {
 static struct pmem_info pmem[PMEM_MAX_DEVICES];
 static int id_count;
 
-#define PMEM_IS_FREE(id, index) !(pmem[id].bitmap[index].allocated)
+#define PMEM_IS_FREE(id, index) ( !(pmem[id].bitmap[index].allocated) )
 #define PMEM_ORDER(id, index) pmem[id].bitmap[index].order
 #define PMEM_BUDDY_INDEX(id, index) (index ^ (1 << PMEM_ORDER(id, index)))
 #define PMEM_NEXT_INDEX(id, index) (index + (1 << PMEM_ORDER(id, index)))
@@ -708,9 +708,8 @@ int get_pmem_addr(struct file *file, unsigned long *start,
 	struct pmem_data *data;
 	int id;
 
-	if (!is_pmem_file(file) || !has_allocation(file)) {
+	if (!is_pmem_file(file) || !has_allocation(file))
 		return -1;
-	}
 
 	data = (struct pmem_data *)file->private_data;
 	if (data->index == -1) {
@@ -789,9 +788,8 @@ void flush_pmem_file(struct file *file, unsigned long offset, unsigned long len)
 	struct list_head *elt;
 	void *flush_start, *flush_end;
 
-	if (!is_pmem_file(file) || !has_allocation(file)) {
+	if (!is_pmem_file(file) || !has_allocation(file))
 		return;
-	}
 
 	id = get_id(file);
 	data = (struct pmem_data *)file->private_data;
@@ -833,7 +831,7 @@ static int pmem_connect(unsigned long connect, struct file *file)
 	src_file = fget_light(connect, &put_needed);
 	DLOG("connect %p to %p\n", file, src_file);
 	if (!src_file) {
-		printk("pmem: src file not found!\n");
+		printk(KERN_INFO "pmem: src file not found!\n");
 		ret = -EINVAL;
 		goto err_no_file;
 	}
@@ -846,7 +844,7 @@ static int pmem_connect(unsigned long connect, struct file *file)
 	src_data = (struct pmem_data *)src_file->private_data;
 
 	if (has_allocation(file) && (data->index != src_data->index)) {
-		printk("pmem: file is already mapped but doesn't match this"
+		printk(KERN_INFO "pmem: file is already mapped but doesn't match this"
 		       " src_file!\n");
 		ret = -EINVAL;
 		goto err_bad_file;
@@ -885,7 +883,7 @@ lock_mm:
 		mm = get_task_mm(data->task);
 		if (!mm) {
 #if PMEM_DEBUG
-			printk("pmem: can't remap task is gone!\n");
+			printk(KERN_DEBUG "pmem: can't remap task is gone!\n");
 #endif
 			up_read(&data->sem);
 			return -1;
@@ -936,7 +934,7 @@ int pmem_remap(struct pmem_region *region, struct file *file,
 	if (unlikely(!PMEM_IS_PAGE_ALIGNED(region->offset) ||
 		 !PMEM_IS_PAGE_ALIGNED(region->len))) {
 #if PMEM_DEBUG
-		printk("pmem: request for unaligned pmem suballocation "
+		printk(KERN_DEBUG "pmem: request for unaligned pmem suballocation "
 		       "%lx %lx\n", region->offset, region->len);
 #endif
 		return -EINVAL;
diff --git a/drivers/staging/dream/qdsp5/Makefile b/drivers/staging/dream/qdsp5/Makefile
index 991d4a7e157f..beedaaff5cc5 100644
--- a/drivers/staging/dream/qdsp5/Makefile
+++ b/drivers/staging/dream/qdsp5/Makefile
@@ -1,3 +1,4 @@
+EXTRA_CFLAGS=-Idrivers/staging/dream/include
 obj-y += adsp.o
 ifeq ($(CONFIG_MSM_AMSS_VERSION_6350),y)
 obj-y += adsp_info.o
diff --git a/drivers/staging/dream/qdsp5/audio_mp3.c b/drivers/staging/dream/qdsp5/audio_mp3.c
index b95574f699ff..7ed6e261d6c9 100644
--- a/drivers/staging/dream/qdsp5/audio_mp3.c
+++ b/drivers/staging/dream/qdsp5/audio_mp3.c
@@ -650,8 +650,7 @@ static long audio_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 						       &audio->read_phys,
 						       GFP_KERNEL);
 				if (!audio->read_data) {
-					pr_err("audio_mp3: malloc pcm \
-					buf failed\n");
+					pr_err("audio_mp3: malloc pcm buf failed\n");
 					rc = -1;
 				} else {
 					uint8_t index;
diff --git a/drivers/staging/dream/smd/Makefile b/drivers/staging/dream/smd/Makefile
index 892c7414bbed..1c87618366a7 100644
--- a/drivers/staging/dream/smd/Makefile
+++ b/drivers/staging/dream/smd/Makefile
@@ -1,3 +1,4 @@
+EXTRA_CFLAGS=-Idrivers/staging/dream/include
 obj-$(CONFIG_MSM_SMD) += smd.o smd_tty.o smd_qmi.o
 obj-$(CONFIG_MSM_ONCRPCROUTER) += smd_rpcrouter.o
 obj-$(CONFIG_MSM_ONCRPCROUTER) += smd_rpcrouter_device.o
diff --git a/drivers/staging/dream/smd/smd_rpcrouter.c b/drivers/staging/dream/smd/smd_rpcrouter.c
index 5ac2cd4a5978..69911a7bc87a 100644
--- a/drivers/staging/dream/smd/smd_rpcrouter.c
+++ b/drivers/staging/dream/smd/smd_rpcrouter.c
@@ -38,8 +38,6 @@
 #include <linux/platform_device.h>
 #include <linux/uaccess.h>
 
-#include <asm/byteorder.h>
-
 #include <mach/msm_smd.h>
 #include "smd_rpcrouter.h"
 
diff --git a/drivers/staging/dt3155/Kconfig b/drivers/staging/dt3155/Kconfig
new file mode 100644
index 000000000000..4a3293c721b1
--- /dev/null
+++ b/drivers/staging/dt3155/Kconfig
@@ -0,0 +1,4 @@
+config DT3155
+	tristate "DT3155 Digitizer support"
+	depends on PCI
+
diff --git a/drivers/staging/dt3155/Makefile b/drivers/staging/dt3155/Makefile
new file mode 100644
index 000000000000..136f21fdbbee
--- /dev/null
+++ b/drivers/staging/dt3155/Makefile
@@ -0,0 +1,6 @@
+obj-$(CONFIG_DT3155)	+= dt3155.o
+dt3155-objs :=	\
+		dt3155_drv.o	\
+		dt3155_isr.o	\
+		dt3155_io.o	\
+		allocator.o
diff --git a/drivers/staging/dt3155/TODO b/drivers/staging/dt3155/TODO
new file mode 100644
index 000000000000..3baa3b6294cc
--- /dev/null
+++ b/drivers/staging/dt3155/TODO
@@ -0,0 +1,10 @@
+TODO:
+	- fix checkpatch.pl issues
+	- remove old kernel support, it is not needed
+	- convert to proper PCI device API
+	- fix sparse warnings
+	- audit for correct subsystem interaction
+	- review review review!
+
+Please send patches to Greg Kroah-Hartman <greg@kroah.com>
+and Scott Smedley <ss@aao.gov.au>
diff --git a/drivers/staging/dt3155/allocator.README b/drivers/staging/dt3155/allocator.README
new file mode 100644
index 000000000000..05700b6c926c
--- /dev/null
+++ b/drivers/staging/dt3155/allocator.README
@@ -0,0 +1,98 @@
+
+The allocator shown here  exploits high memory. This document explains
+how  a user can  deal   with drivers uses   this  allocator and how  a
+programmer can link in the module.
+
+The module is being used by my pxc and pxdrv device drivers (as well as
+other ones), available from ftp.systemy.it/pub/develop and
+ftp.linux.it/pub/People/Rubini
+
+	User's manual
+	=============
+
+
+One of the most compelling problems with any DMA-capable device is the
+allocation  of a suitable  memory buffer. The "allocator" module tries
+to deal with  the problem in  a clean way.  The module is  able to use
+high   memory  (above the  one   used in  normal   operation)  for DMA
+allocation.
+
+To prevent  the  kernel for using   high memory,  so  that it  remains
+available for  DMA, you should  pass a  command  line argument to  the
+kernel.  Command line arguments  can be passed to  Lilo, to Loadlin or
+to whichever loader  you are using  (unless it's very poor in design).
+For Lilo, either use  "append=" in  /etc/lilo.conf or add  commandline
+arguments to the  interactive prompt. For  example, I have a 32MB  box
+and reserve two megs for DMA:
+
+In lilo.conf:
+	image = /zImage
+	label = linux
+	append = "mem=30M"
+
+Or, interactively:
+	LILO: linux mem=30M
+
+Once  the kernel is booted  with the  right command-line argument, any
+driver  linked   with  the  allocator   module  will  be able   to get
+DMA-capable memory without  much  trouble (unless the  various drivers
+need more memory than available).
+
+The module implements an alloc/free  mechanism,  so that it can  serve
+multiple drivers  at the  same time. Note  however that  the allocator
+uses all of  high memory and assumes to  be the only piece of software
+using such memory.
+
+
+	Programmer's manual
+	===================
+
+The allocator,  as  released, is designed  to  be linked  to  a device
+driver.  In this  case, the driver  must call allocator_init()  before
+using   the  allocator   and  must  call   allocator_cleanup()  before
+unloading.  This is  usually  done   from within  init_module()    and
+cleanup_module(). If the allocator is linked to  a driver, it won't be
+possible for several drivers to allocate high DMA memory, as explained
+above.
+
+It is possible, on the other hand, to compile the module as a standalone
+module, so that several modules can rely on the allocator for they DMA
+buffers. To compile the allocator as a standalone module, do the
+following in this directory (or provide a suitable Makefile, or edit
+the source code):
+
+	make allocator.o CC="gcc -Dallocator_init=init_module -Dallocator_cleanup=cleanup_module -include /usr/include/linux/module.h"
+
+The previous commandline  tells   to include <linux/module.h>  in  the
+first place,  and to rename the init  and cleanup function to the ones
+needed for  module loading and  unloading.  Drivers using a standalone
+allocator won't need to call allocator_init() nor allocator_cleanup().
+
+The allocator exports the following functions (declared in allocator.h):
+
+   unsigned long allocator_allocate_dma (unsigned long kilobytes,
+					 int priority);
+
+	This function returns a physical address, over high_memory,
+	which corresponds to an area of at least "kilobytes" kilobytes.
+	The area will be owned by the module calling the function.
+	The returned address can be passed to device boards, to instruct
+	their DMA controllers, via phys_to_bus(). The address can be used
+	by C code after vremap()/ioremap(). The "priority" argument should
+	be GFP_KERNEL or GFP_ATOMIC, according to the context of the
+	caller; it is used to call kmalloc(), as the allocator must keep
+	track of any region it gives away. In case of error the function
+	returns 0, and the caller is expected to issue a -ENOMEM error.
+
+
+   void allocator_free_dma (unsigned long address);
+
+	This function is the reverse of the previous one. If a driver
+	doesn't free the DMA memory it allocated, the allocator will
+	consider such memory as busy. Note, however, that
+	allocator_cleanup() calls kfree() on every region it reclaimed,
+	so that a driver with the allocator linked in can avoid calling
+	allocator_free_dma() at unload time.
+
+
+
diff --git a/drivers/staging/dt3155/allocator.c b/drivers/staging/dt3155/allocator.c
new file mode 100644
index 000000000000..c74234c66895
--- /dev/null
+++ b/drivers/staging/dt3155/allocator.c
@@ -0,0 +1,295 @@
+/*
+ * allocator.c -- allocate after high_memory, if available
+ *
+ * NOTE: this is different from my previous allocator, the one that
+ *       assembles pages, which revealed itself both slow and unreliable.
+ *
+ * Copyright (C) 1998   rubini@linux.it (Alessandro Rubini)
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+
+-- Changes --
+
+  Date	      Programmer  Description of changes made
+  -------------------------------------------------------------------
+  02-Aug-2002 NJC         allocator now steps in 1MB increments, rather
+			  than doubling its size each time.
+			  Also, allocator_init(u32 *) now returns
+			  (in the first arg) the size of the free
+			  space.  This is no longer consistent with
+			  using the allocator as a module, and some changes
+			  may be necessary for that purpose.  This was
+			  designed to work with the DT3155 driver, in
+			  stand alone mode only!!!
+  26-Oct-2009 SS	  Port to 2.6.30 kernel.
+ */
+
+
+#ifndef __KERNEL__
+#  define __KERNEL__
+#endif
+#ifndef MODULE
+#  define MODULE
+#endif
+
+#include <linux/version.h>
+
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/proc_fs.h>
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/mm.h>	/* PAGE_ALIGN() */
+#include <linux/io.h>
+
+#include <asm/page.h>
+
+/*#define ALL_DEBUG*/
+#define ALL_MSG "allocator: "
+
+#undef PDEBUG             /* undef it, just in case */
+#ifdef ALL_DEBUG
+#  define __static
+#  define DUMP_LIST() dump_list()
+#  ifdef __KERNEL__
+     /* This one if debugging is on, and kernel space */
+#    define PDEBUG(fmt, args...) printk(KERN_DEBUG ALL_MSG fmt, ## args)
+#  else
+     /* This one for user space */
+#    define PDEBUG(fmt, args...) fprintf(stderr, fmt, ## args)
+#  endif
+#else
+#  define PDEBUG(fmt, args...) /* not debugging: nothing */
+#  define DUMP_LIST()
+#  define __static static
+#endif
+
+#undef PDEBUGG
+#define PDEBUGG(fmt, args...)
+/*#define PDEBUGG(fmt, args...) printk( KERN_DEBUG ALL_MSG fmt, ## args)*/
+
+
+int allocator_himem = 1; /* 0 = probe, pos. = megs, neg. = disable   */
+int allocator_step = 1;  /* This is the step size in MB              */
+int allocator_probe = 1; /* This is a flag -- 1=probe, 0=don't probe */
+
+static unsigned long allocator_buffer;		/* physical address */
+static unsigned long allocator_buffer_size;	/* kilobytes */
+
+/*
+ * The allocator keeps a list of DMA areas, so multiple devices
+ * can coexist. The list is kept sorted by address
+ */
+
+struct allocator_struct {
+	unsigned long address;
+	unsigned long size;
+	struct allocator_struct *next;
+};
+
+struct allocator_struct *allocator_list;
+
+
+#ifdef ALL_DEBUG
+static int dump_list(void)
+{
+	struct allocator_struct *ptr;
+
+	PDEBUG("Current list:\n");
+	for (ptr = allocator_list; ptr; ptr = ptr->next)
+		PDEBUG("0x%08lx (size %likB)\n", ptr->address, ptr->size>>10);
+	return 0;
+}
+#endif
+
+/* ========================================================================
+ * This function is the actual allocator.
+ *
+ * If space is available in high memory (as detected at load time), that
+ * one is returned. The return value is a physical address (i.e., it can
+ * be used straight ahead for DMA, but needs remapping for program use).
+ */
+
+unsigned long allocator_allocate_dma(unsigned long kilobytes, int prio)
+{
+	struct allocator_struct *ptr = allocator_list, *newptr;
+	unsigned long bytes = kilobytes << 10;
+
+	/* check if high memory is available */
+	if (!allocator_buffer)
+		return 0;
+
+	/* Round it to a multiple of the pagesize */
+	bytes = PAGE_ALIGN(bytes);
+	PDEBUG("request for %li bytes\n", bytes);
+
+	while (ptr && ptr->next) {
+		if (ptr->next->address - (ptr->address + ptr->size) >= bytes)
+			break; /* enough space */
+		ptr = ptr->next;
+	}
+	if (!ptr->next) {
+		DUMP_LIST();
+		PDEBUG("alloc failed\n");
+		return 0; /* end of list */
+	}
+	newptr = kmalloc(sizeof(struct allocator_struct), prio);
+	if (!newptr)
+		return 0;
+
+	/* ok, now stick it after ptr */
+	newptr->address = ptr->address + ptr->size;
+	newptr->size = bytes;
+	newptr->next = ptr->next;
+	ptr->next = newptr;
+
+	DUMP_LIST();
+	PDEBUG("returning 0x%08lx\n", newptr->address);
+	return newptr->address;
+}
+
+int allocator_free_dma(unsigned long address)
+{
+	struct allocator_struct *ptr = allocator_list, *prev;
+
+	while (ptr && ptr->next) {
+		if (ptr->next->address == address)
+			break;
+		ptr = ptr->next;
+	}
+	/* the one being freed is ptr->next */
+	prev = ptr; ptr = ptr->next;
+
+	if (!ptr) {
+		printk(KERN_ERR ALL_MSG
+			"free_dma(0x%08lx) but add. not allocated\n",
+			ptr->address);
+		return -EINVAL;
+	}
+	PDEBUGG("freeing: %08lx (%li) next %08lx\n", ptr->address, ptr->size,
+		ptr->next->address);
+	prev->next = ptr->next;
+	kfree(ptr);
+
+	/* dump_list(); */
+	return 0;
+}
+
+/* ========================================================================
+ * Init and cleanup
+ *
+ * On cleanup everything is released. If the list is not empty, that a
+ * problem of our clients
+ */
+int allocator_init(u32 *allocator_max)
+{
+	/* check how much free memory is there */
+	void *remapped;
+	unsigned long max;
+	unsigned long trial_size = allocator_himem<<20;
+	unsigned long last_trial = 0;
+	unsigned long step = allocator_step<<20;
+	unsigned long i = 0;
+	struct allocator_struct *head, *tail;
+	char test_string[] = "0123456789abcde"; /* 16 bytes */
+
+	PDEBUGG("himem = %i\n", allocator_himem);
+	if (allocator_himem < 0) /* don't even try */
+		return -EINVAL;
+
+	if (!trial_size)
+		trial_size = 1<<20; /* not specified: try one meg */
+
+	while (1) {
+		remapped = ioremap(__pa(high_memory), trial_size);
+		if (!remapped) {
+			PDEBUGG("%li megs failed!\n", trial_size>>20);
+			break;
+		}
+		PDEBUGG("Trying %li megs (at %p, %p)\n", trial_size>>20,
+			(void *)__pa(high_memory), remapped);
+		for (i = last_trial; i < trial_size; i += 16) {
+			strcpy((char *)(remapped)+i, test_string);
+			if (strcmp((char *)(remapped)+i, test_string))
+				break;
+			}
+		iounmap((void *)remapped);
+		schedule();
+		last_trial = trial_size;
+		if (i == trial_size)
+			trial_size += step; /* increment, if all went well */
+		else {
+			PDEBUGG("%li megs copy test failed!\n", trial_size>>20);
+			break;
+		}
+		if (!allocator_probe)
+			break;
+	}
+	PDEBUG("%li megs (%li k, %li b)\n", i>>20, i>>10, i);
+	allocator_buffer_size = i>>10; /* kilobytes */
+	allocator_buffer = __pa(high_memory);
+	if (!allocator_buffer_size) {
+		printk(KERN_WARNING ALL_MSG "no free high memory to use\n");
+		return -ENOMEM;
+	}
+
+	/*
+	* to simplify things, always have two cells in the list:
+	* the first and the last. This avoids some conditionals and
+	* extra code when allocating and deallocating: we only play
+	* in the middle of the list
+	*/
+	head = kmalloc(sizeof(struct allocator_struct), GFP_KERNEL);
+	if (!head)
+		return -ENOMEM;
+	tail = kmalloc(sizeof(struct allocator_struct), GFP_KERNEL);
+	if (!tail) {
+		kfree(head);
+		return -ENOMEM;
+	}
+
+	max = allocator_buffer_size<<10;
+
+	head->size = tail->size = 0;
+	head->address = allocator_buffer;
+	tail->address = allocator_buffer + max;
+	head->next = tail;
+	tail->next = NULL;
+	allocator_list = head;
+
+	/* Back to the user code, in KB */
+	*allocator_max = allocator_buffer_size;
+
+	return 0; /* ok, ready */
+}
+
+void allocator_cleanup(void)
+{
+	struct allocator_struct *ptr, *next;
+
+	for (ptr = allocator_list; ptr; ptr = next) {
+		next = ptr->next;
+		PDEBUG("freeing list: 0x%08lx\n", ptr->address);
+		kfree(ptr);
+	}
+
+	allocator_buffer      = 0;
+	allocator_buffer_size = 0;
+	allocator_list = NULL;
+}
+
+
diff --git a/drivers/staging/dt3155/allocator.h b/drivers/staging/dt3155/allocator.h
new file mode 100644
index 000000000000..bdf3268ca52d
--- /dev/null
+++ b/drivers/staging/dt3155/allocator.h
@@ -0,0 +1,28 @@
+/*
+ * allocator.h -- prototypes for allocating high memory
+ *
+ * NOTE: this is different from my previous allocator, the one that
+ *       assembles pages, which revealed itself both slow and unreliable.
+ *
+ * Copyright (C) 1998   rubini@linux.it (Alessandro Rubini)
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+void allocator_free_dma(unsigned long address);
+unsigned long allocator_allocate_dma(unsigned long kilobytes, int priority);
+int allocator_init(u32 *);
+void allocator_cleanup(void);
diff --git a/drivers/staging/dt3155/dt3155.h b/drivers/staging/dt3155/dt3155.h
new file mode 100644
index 000000000000..1bf786364eec
--- /dev/null
+++ b/drivers/staging/dt3155/dt3155.h
@@ -0,0 +1,171 @@
+/*
+
+Copyright 1996,2002,2005 Gregory D. Hager, Alfred A. Rizzi, Noah J. Cowan,
+			 Jason Lapenta, Scott Smedley
+
+This file is part of the DT3155 Device Driver.
+
+The DT3155 Device Driver is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The DT3155 Device Driver is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the DT3155 Device Driver; if not, write to the Free
+Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+MA 02111-1307 USA
+
+-- Changes --
+
+  Date     Programmer  Description of changes made
+  -------------------------------------------------------------------
+  03-Jul-2000 JML     n/a
+  10-Oct-2001 SS      port to 2.4 kernel.
+  24-Jul-2002 SS      remove unused code & added GPL licence.
+  05-Aug-2005 SS      port to 2.6 kernel; make CCIR mode default.
+
+*/
+
+#ifndef _DT3155_INC
+#define _DT3155_INC
+
+#ifdef __KERNEL__
+#include <linux/types.h>
+#include <linux/time.h>		/* struct timeval */
+#else
+#include <sys/ioctl.h>
+#include <sys/param.h>
+#include <sys/time.h>
+#include <unistd.h>
+#endif
+
+
+#define TRUE  1
+#define FALSE 0
+
+/* Uncomment this for 50Hz CCIR */
+#define CCIR 1
+
+/* Can be 1 or 2 */
+#define MAXBOARDS 1
+
+#define BOARD_MAX_BUFFS	3
+#define MAXBUFFERS	(BOARD_MAX_BUFFS*MAXBOARDS)
+
+#define PCI_PAGE_SIZE	(1 << 12)
+
+#ifdef CCIR
+#define DT3155_MAX_ROWS	576
+#define DT3155_MAX_COLS	768
+#define FORMAT50HZ	TRUE
+#else
+#define DT3155_MAX_ROWS	480
+#define DT3155_MAX_COLS	640
+#define FORMAT50HZ	FALSE
+#endif
+
+/* Configuration structure */
+struct dt3155_config_s {
+	u32 acq_mode;
+	u32 cols, rows;
+	u32 continuous;
+};
+
+
+/* hold data for each frame */
+typedef struct {
+	u32 addr;		/* address of the buffer with the frame */
+	u32 tag;		/* unique number for the frame */
+	struct timeval time;	/* time that capture took place */
+} frame_info_t;
+
+/*
+ * Structure for interrupt and buffer handling.
+ * This is the setup for 1 card
+ */
+struct dt3155_fbuffer_s {
+	int    nbuffers;
+
+	frame_info_t frame_info[BOARD_MAX_BUFFS];
+
+	int empty_buffers[BOARD_MAX_BUFFS];	/* indexes empty frames */
+	int empty_len;				/* Number of empty buffers */
+						/* Zero means empty */
+
+	int active_buf;			/* Where data is currently dma'ing */
+	int locked_buf;			/* Buffers used by user */
+
+	int ready_que[BOARD_MAX_BUFFS];
+	u32 ready_head;	/* The most recent buffer located here */
+	u32 ready_len;	/* The number of ready buffers */
+
+	int even_happened;
+	int even_stopped;
+
+	int stop_acquire;	/* Flag to stop interrupts */
+	u32 frame_count;	/* Counter for frames acquired by this card */
+};
+
+
+
+#define DT3155_MODE_FRAME	1
+#define DT3155_MODE_FIELD	2
+
+#define DT3155_SNAP		1
+#define DT3155_ACQ		2
+
+/* There is one status structure for each card. */
+typedef struct dt3155_status_s {
+	int fixed_mode;		/* if 1, we are in fixed frame mode */
+	u32 reg_addr;	/* Register address for a single card */
+	u32 mem_addr;	/* Buffer start addr for this card */
+	u32 mem_size;	/* This is the amount of mem available  */
+	u32 irq;		/* this card's irq */
+	struct dt3155_config_s config;		/* configuration struct */
+	struct dt3155_fbuffer_s fbuffer;	/* frame buffer state struct */
+	u32 state;		/* this card's state */
+	u32 device_installed;	/* Flag if installed. 1=installed */
+} dt3155_status_t;
+
+/* Reference to global status structure */
+extern struct dt3155_status_s dt3155_status[MAXBOARDS];
+
+#define DT3155_STATE_IDLE	0x00
+#define DT3155_STATE_FRAME	0x01
+#define DT3155_STATE_FLD	0x02
+#define DT3155_STATE_STOP	0x100
+#define DT3155_STATE_ERROR	0x200
+#define DT3155_STATE_MODE	0x0ff
+
+#define DT3155_IOC_MAGIC	'!'
+
+#define DT3155_SET_CONFIG	_IOW(DT3155_IOC_MAGIC, 1, struct dt3155_config_s)
+#define DT3155_GET_CONFIG	_IOR(DT3155_IOC_MAGIC, 2, struct dt3155_status_s)
+#define DT3155_STOP		_IO(DT3155_IOC_MAGIC, 3)
+#define DT3155_START		_IO(DT3155_IOC_MAGIC, 4)
+#define DT3155_FLUSH		_IO(DT3155_IOC_MAGIC, 5)
+#define DT3155_IOC_MAXNR	5
+
+/* Error codes */
+
+#define DT_ERR_NO_BUFFERS	0x10000	/* not used but it might be one day */
+#define DT_ERR_CORRUPT		0x20000
+#define DT_ERR_OVERRUN		0x30000
+#define DT_ERR_I2C_TIMEOUT	0x40000
+#define DT_ERR_MASK		0xff0000/* not used but it might be one day */
+
+/* User code will probably want to declare one of these for each card */
+typedef struct dt3155_read_s {
+	u32 offset;
+	u32 frame_seq;
+	u32 state;
+
+	frame_info_t frame_info;
+} dt3155_read_t;
+
+#endif /* _DT3155_inc */
diff --git a/drivers/staging/dt3155/dt3155.sysvinit b/drivers/staging/dt3155/dt3155.sysvinit
new file mode 100644
index 000000000000..92ec0939cb7a
--- /dev/null
+++ b/drivers/staging/dt3155/dt3155.sysvinit
@@ -0,0 +1,60 @@
+#! /bin/sh
+#
+# Module load/unload script for use with SysV-style /etc/init.d/ systems.
+# On a Debian system, copy this to /etc/init.d/dt3155 and then run
+# 	/usr/sbin/update-rc.d dt3155 defaults 55
+# to create the appropriate /etc/rc?.d/[SK]55dt3155 start/stop links.
+# (The "55" is arbitrary but is what I use to load this rather late.)
+#
+#    Andy Dougherty   Feb 22 2000	doughera@lafayette.edu
+#    Dept. of Physics
+#    Lafayette College, Easton PA 18042
+#
+
+PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
+
+# Edit to point to your local copy.
+FILE=/usr/local/lib/modules/dt3155/dt3155.o
+NAME="dt3155"
+DESC="dt3155 Frame Grabber module"
+DEV="dt3155"
+
+if test ! -f $FILE; then
+    echo "Unable to locate $FILE"
+    exit 0
+fi
+
+set -e
+
+case "$1" in
+  start)
+    echo -n "Loading $DESC "
+    if /sbin/insmod -v -f $FILE; then
+	major=`grep $DEV /proc/devices | awk "{print \\$1}"`
+	rm -f /dev/dt3155?
+	mknod /dev/dt3155a c $major 0
+	mknod /dev/dt3155b c $major 1
+	chmod go+rw /dev/dt3155?
+	echo
+    else
+	echo "$FILE not loaded."
+    fi
+    ;;
+  stop)
+    echo -n "Unloading $DESC: "
+    if /sbin/rmmod $NAME ; then
+	echo
+    else
+	echo "$DEV not removed"
+	exit 0
+    fi
+    rm -f /dev/dt3155?
+    ;;
+  *)
+    echo "Usage: /etc/init.d/$NAME {start|stop}"
+    exit 1
+    ;;
+esac
+
+exit 0
+
diff --git a/drivers/staging/dt3155/dt3155_drv.c b/drivers/staging/dt3155/dt3155_drv.c
new file mode 100644
index 000000000000..a67c622869d2
--- /dev/null
+++ b/drivers/staging/dt3155/dt3155_drv.c
@@ -0,0 +1,1095 @@
+/*
+
+Copyright 1996,2002,2005 Gregory D. Hager, Alfred A. Rizzi, Noah J. Cowan,
+                         Jason Lapenta, Scott Smedley, Greg Sharp
+
+This file is part of the DT3155 Device Driver.
+
+The DT3155 Device Driver is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The DT3155 Device Driver is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the DT3155 Device Driver; if not, write to the Free
+Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+MA 02111-1307 USA
+
+-- Changes --
+
+  Date     Programmer	Description of changes made
+  -------------------------------------------------------------------
+  03-Jul-2000 JML       n/a
+  10-Oct-2001 SS        port to 2.4 kernel
+  02-Apr-2002 SS        Mods to use allocator as a standalone module;
+                        Merged John Roll's changes (john@cfa.harvard.edu)
+                        to make work with multiple boards.
+  02-Jul-2002 SS        Merged James Rose's chages (rosejr@purdue.edu) to:
+                         * fix successive interrupt-driven captures
+                         * add select/poll support.
+  10-Jul-2002 GCS       Add error check when ndevices > MAXBOARDS.
+  02-Aug-2002 GCS       Fix field mode so that odd (lower) field is stored
+                        in lower half of buffer.
+  05-Aug-2005 SS        port to 2.6 kernel.
+  26-Oct-2009 SS	port to 2.6.30 kernel.
+
+-- Notes --
+
+** appended "mem=124" in lilo.conf to allow for 4megs free on my 128meg system.
+ * using allocator.c and allocator.h from o'reilly book (alessandro rubini)
+    ftp://ftp.systemy.it/pub/develop (see README.allocator)
+
+ + might want to get rid of MAXboards for allocating initial buffer.
+    confusing and not necessary
+
+ + in cleanup_module the MOD_IN_USE looks like it is check after it should
+
+ * GFP_DMA should not be set with a PCI system (pg 291)
+
+ - NJC why are only two buffers allowed? (see isr, approx line 358)
+
+*/
+
+extern void printques(int);
+
+#ifdef MODULE
+#include <linux/module.h>
+#include <linux/interrupt.h>
+
+
+MODULE_LICENSE("GPL");
+
+#endif
+
+#ifndef CONFIG_PCI
+#error  "DT3155 :  Kernel PCI support not enabled (DT3155 drive requires PCI)"
+#endif
+
+#include <linux/pci.h>
+#include <linux/types.h>
+#include <linux/poll.h>
+#include <linux/sched.h>
+
+#include <asm/io.h>
+#include <asm/uaccess.h>
+
+#include "dt3155.h"
+#include "dt3155_drv.h"
+#include "dt3155_isr.h"
+#include "dt3155_io.h"
+#include "allocator.h"
+
+/* Error variable.  Zero means no error. */
+int dt3155_errno = 0;
+
+#ifndef PCI_DEVICE_ID_INTEL_7116
+#define PCI_DEVICE_ID_INTEL_7116 0x1223
+#endif
+
+#define DT3155_VENDORID    PCI_VENDOR_ID_INTEL
+#define DT3155_DEVICEID    PCI_DEVICE_ID_INTEL_7116
+#define MAXPCI    16
+
+#ifdef DT_DEBUG
+#define DT_3155_DEBUG_MSG(x,y) printk(x,y)
+#else
+#define DT_3155_DEBUG_MSG(x,y)
+#endif
+
+/* wait queue for interrupts */
+wait_queue_head_t dt3155_read_wait_queue[ MAXBOARDS ];
+
+#define DT_3155_SUCCESS 0
+#define DT_3155_FAILURE -EIO
+
+/* set to dynamicaly allocate, but it is tunable: */
+/* insmod DT_3155 dt3155 dt3155_major=XX */
+int dt3155_major = 0;
+
+/* The minor numbers are 0 and 1 ... they are not tunable.
+ * They are used as the indices for the structure vectors,
+ * and register address vectors
+ */
+
+/* Global structures and variables */
+
+/* Status of each device */
+struct dt3155_status_s dt3155_status[ MAXBOARDS ];
+
+/* kernel logical address of the board */
+u8 *dt3155_lbase[ MAXBOARDS ] = { NULL
+#if MAXBOARDS == 2
+				      , NULL
+#endif
+};
+/* DT3155 registers              */
+u8 *dt3155_bbase = NULL;		  /* kernel logical address of the *
+					   * buffer region                 */
+u32  dt3155_dev_open[ MAXBOARDS ] = {0
+#if MAXBOARDS == 2
+				       , 0
+#endif
+};
+
+u32  ndevices = 0;
+u32 unique_tag = 0;;
+
+
+/*
+ * Stops interrupt generation right away and resets the status
+ * to idle.  I don't know why this works and the other way doesn't.
+ * (James Rose)
+ */
+static void quick_stop (int minor)
+{
+  // TODO: scott was here
+#if 1
+  ReadMReg((dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg);
+  /* disable interrupts */
+  int_csr_r.fld.FLD_END_EVE_EN = 0;
+  int_csr_r.fld.FLD_END_ODD_EN = 0;
+  WriteMReg((dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg );
+
+  dt3155_status[ minor ].state &= ~(DT3155_STATE_STOP|0xff);
+  /* mark the system stopped: */
+  dt3155_status[ minor ].state |= DT3155_STATE_IDLE;
+  dt3155_fbuffer[ minor ]->stop_acquire = 0;
+  dt3155_fbuffer[ minor ]->even_stopped = 0;
+#else
+  dt3155_status[minor].state |= DT3155_STATE_STOP;
+  dt3155_status[minor].fbuffer.stop_acquire = 1;
+#endif
+
+}
+
+
+/*****************************************************
+ *  dt3155_isr() Interrupt service routien
+ *
+ * - looks like this isr supports IRQ sharing (or could) JML
+ * - Assumes irq's are disabled, via SA_INTERRUPT flag
+ * being set in request_irq() call from init_module()
+ *****************************************************/
+static inline void dt3155_isr( int irq, void *dev_id, struct pt_regs *regs )
+{
+  int    minor = -1;
+  int    index;
+  unsigned long flags;
+  u32 buffer_addr;
+
+  /* find out who issued the interrupt */
+  for ( index = 0; index < ndevices; index++ ) {
+    if( dev_id == (void*) &dt3155_status[ index ])
+      {
+	minor = index;
+	break;
+      }
+  }
+
+  /* hopefully we should not get here */
+  if ( minor < 0 || minor >= MAXBOARDS ) {
+    printk(KERN_ERR "dt3155_isr called with invalid dev_id\n");
+    return;
+  }
+
+  /* Check for corruption and set a flag if so */
+  ReadMReg( (dt3155_lbase[ minor ] + CSR1), csr1_r.reg );
+
+  if ( (csr1_r.fld.FLD_CRPT_EVE) || (csr1_r.fld.FLD_CRPT_ODD) )
+    {
+      /* TODO: this should probably stop acquisition */
+      /* and set some flags so that dt3155_read      */
+      /* returns an error next time it is called     */
+      dt3155_errno = DT_ERR_CORRUPT;
+      printk("dt3155:  corrupt field\n");
+      return;
+    }
+
+  ReadMReg((dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg);
+
+  /* Handle the even field ... */
+  if (int_csr_r.fld.FLD_END_EVE)
+    {
+      if ( (dt3155_status[ minor ].state & DT3155_STATE_MODE) ==
+	   DT3155_STATE_FLD )
+	{
+	  dt3155_fbuffer[ minor ]->frame_count++;
+	}
+
+      ReadI2C(dt3155_lbase[ minor ], EVEN_CSR, &i2c_even_csr.reg);
+
+      /* Clear the interrupt? */
+      int_csr_r.fld.FLD_END_EVE = 1;
+
+      /* disable the interrupt if last field */
+      if (dt3155_fbuffer[ minor ]->stop_acquire)
+	{
+	  printk("dt3155:  even stopped.\n");
+	  dt3155_fbuffer[ minor ]->even_stopped = 1;
+	  if (i2c_even_csr.fld.SNGL_EVE)
+	    {
+	      int_csr_r.fld.FLD_END_EVE_EN = 0;
+	    }
+	  else
+	    {
+	      i2c_even_csr.fld.SNGL_EVE  = 1;
+	    }
+	}
+
+      WriteMReg( (dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg );
+
+      /* Set up next DMA if we are doing FIELDS */
+      if ( (dt3155_status[ minor ].state & DT3155_STATE_MODE ) ==
+	   DT3155_STATE_FLD)
+	{
+	  /* GCS (Aug 2, 2002) -- In field mode, dma the odd field
+	     into the lower half of the buffer */
+	  const u32 stride =  dt3155_status[ minor ].config.cols;
+	  buffer_addr = dt3155_fbuffer[ minor ]->
+	    frame_info[ dt3155_fbuffer[ minor ]->active_buf ].addr
+	    + (DT3155_MAX_ROWS / 2) * stride;
+	  local_save_flags(flags);
+	  local_irq_disable();
+	  wake_up_interruptible( &dt3155_read_wait_queue[ minor ] );
+
+	  /* Set up the DMA address for the next field */
+	  local_irq_restore(flags);
+	  WriteMReg((dt3155_lbase[ minor ] + ODD_DMA_START), buffer_addr);
+	}
+
+      /* Check for errors. */
+      i2c_even_csr.fld.DONE_EVE = 1;
+      if ( i2c_even_csr.fld.ERROR_EVE )
+	dt3155_errno = DT_ERR_OVERRUN;
+
+      WriteI2C( dt3155_lbase[ minor ], EVEN_CSR, i2c_even_csr.reg );
+
+      /* Note that we actually saw an even field meaning  */
+      /* that subsequent odd field complete the frame     */
+      dt3155_fbuffer[ minor ]->even_happened = 1;
+
+      /* recording the time that the even field finished, this should be */
+      /* about time in the middle of the frame */
+      do_gettimeofday( &(dt3155_fbuffer[ minor ]->
+			 frame_info[ dt3155_fbuffer[ minor ]->
+				     active_buf ].time) );
+      return;
+    }
+
+  /* ... now handle the odd field */
+  if ( int_csr_r.fld.FLD_END_ODD )
+    {
+      ReadI2C( dt3155_lbase[ minor ], ODD_CSR, &i2c_odd_csr.reg );
+
+      /* Clear the interrupt? */
+      int_csr_r.fld.FLD_END_ODD = 1;
+
+      if (dt3155_fbuffer[ minor ]->even_happened ||
+	  (dt3155_status[ minor ].state & DT3155_STATE_MODE) ==
+	  DT3155_STATE_FLD)
+	{
+	  dt3155_fbuffer[ minor ]->frame_count++;
+	}
+
+      if ( dt3155_fbuffer[ minor ]->stop_acquire &&
+	   dt3155_fbuffer[ minor ]->even_stopped )
+	{
+	  printk(KERN_DEBUG "dt3155:  stopping odd..\n");
+	  if ( i2c_odd_csr.fld.SNGL_ODD )
+	    {
+	      /* disable interrupts */
+	      int_csr_r.fld.FLD_END_ODD_EN = 0;
+	      dt3155_status[ minor ].state &= ~(DT3155_STATE_STOP|0xff);
+
+	      /* mark the system stopped: */
+	      dt3155_status[ minor ].state |= DT3155_STATE_IDLE;
+	      dt3155_fbuffer[ minor ]->stop_acquire = 0;
+	      dt3155_fbuffer[ minor ]->even_stopped = 0;
+
+	      printk(KERN_DEBUG "dt3155:  state is now %x\n",
+		     dt3155_status[minor].state);
+	    }
+	  else
+	    {
+	      i2c_odd_csr.fld.SNGL_ODD  = 1;
+	    }
+	}
+
+      WriteMReg( (dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg );
+
+      /* if the odd field has been acquired, then     */
+      /* change the next dma location for both fields */
+      /* and wake up the process if sleeping          */
+      if ( dt3155_fbuffer[ minor ]->even_happened ||
+	   (dt3155_status[ minor ].state & DT3155_STATE_MODE) ==
+	   DT3155_STATE_FLD )
+	{
+
+	  local_save_flags(flags);
+	  local_irq_disable();
+
+#ifdef DEBUG_QUES_B
+	  printques( minor );
+#endif
+	  if ( dt3155_fbuffer[ minor ]->nbuffers > 2 )
+	    {
+	      if ( !are_empty_buffers( minor ) )
+		{
+		  /* The number of active + locked buffers is
+		   * at most 2, and since there are none empty, there
+		   * must be at least nbuffers-2 ready buffers.
+		   * This is where we 'drop frames', oldest first. */
+		  push_empty( pop_ready( minor ),  minor );
+		}
+
+	      /* The ready_que can't be full, since we know
+	       * there is one active buffer right now, so it's safe
+	       * to push the active buf on the ready_que. */
+	      push_ready( minor, dt3155_fbuffer[ minor ]->active_buf );
+	      /* There's at least 1 empty -- make it active */
+	      dt3155_fbuffer[ minor ]->active_buf = pop_empty( minor );
+	      dt3155_fbuffer[ minor ]->
+		frame_info[ dt3155_fbuffer[ minor ]->
+			    active_buf ].tag = ++unique_tag;
+	    }
+	  else /* nbuffers == 2, special case */
+	    { /* There is 1 active buffer.
+	       * If there is a locked buffer, keep the active buffer
+	       * the same -- that means we drop a frame.
+	       */
+	      if ( dt3155_fbuffer[ minor ]->locked_buf < 0 )
+		{
+		  push_ready( minor,
+			      dt3155_fbuffer[ minor ]->active_buf );
+		  if (are_empty_buffers( minor ) )
+		    {
+		      dt3155_fbuffer[ minor ]->active_buf =
+			pop_empty( minor );
+		    }
+		  else
+		    { /* no empty or locked buffers, so use a readybuf */
+		      dt3155_fbuffer[ minor ]->active_buf =
+			pop_ready( minor );
+		    }
+		}
+	    }
+
+#ifdef DEBUG_QUES_B
+	  printques( minor );
+#endif
+
+	  dt3155_fbuffer[ minor ]->even_happened = 0;
+
+	  wake_up_interruptible( &dt3155_read_wait_queue[ minor ] );
+
+	  local_irq_restore(flags);
+	}
+
+
+      /* Set up the DMA address for the next frame/field */
+      buffer_addr = dt3155_fbuffer[ minor ]->
+	frame_info[ dt3155_fbuffer[ minor ]->active_buf ].addr;
+      if ( (dt3155_status[ minor ].state & DT3155_STATE_MODE) ==
+	   DT3155_STATE_FLD )
+	{
+	  WriteMReg((dt3155_lbase[ minor ] + EVEN_DMA_START), buffer_addr);
+	}
+      else
+	{
+	  WriteMReg((dt3155_lbase[ minor ] + EVEN_DMA_START), buffer_addr);
+
+	  WriteMReg((dt3155_lbase[ minor ] + ODD_DMA_START), buffer_addr
+		    + dt3155_status[ minor ].config.cols);
+	}
+
+      /* Do error checking */
+      i2c_odd_csr.fld.DONE_ODD = 1;
+      if ( i2c_odd_csr.fld.ERROR_ODD )
+	dt3155_errno = DT_ERR_OVERRUN;
+
+      WriteI2C(dt3155_lbase[ minor ], ODD_CSR, i2c_odd_csr.reg );
+
+      return;
+    }
+  /* If we get here, the Odd Field wasn't it either... */
+  printk( "neither even nor odd.  shared perhaps?\n");
+}
+
+/*****************************************************
+ * init_isr(int minor)
+ *   turns on interupt generation for the card
+ *   designated by "minor".
+ *   It is called *only* from inside ioctl().
+ *****************************************************/
+static void dt3155_init_isr(int minor)
+{
+  const u32 stride =  dt3155_status[ minor ].config.cols;
+
+  switch (dt3155_status[ minor ].state & DT3155_STATE_MODE)
+    {
+    case DT3155_STATE_FLD:
+      {
+	even_dma_start_r  = dt3155_status[ minor ].
+	  fbuffer.frame_info[ dt3155_status[ minor ].fbuffer.active_buf ].addr;
+	even_dma_stride_r = 0;
+	odd_dma_stride_r  = 0;
+
+	WriteMReg((dt3155_lbase[ minor ] + EVEN_DMA_START),
+		  even_dma_start_r);
+	WriteMReg((dt3155_lbase[ minor ] + EVEN_DMA_STRIDE),
+		  even_dma_stride_r);
+	WriteMReg((dt3155_lbase[ minor ] + ODD_DMA_STRIDE),
+		  odd_dma_stride_r);
+	break;
+      }
+
+    case DT3155_STATE_FRAME:
+    default:
+      {
+	even_dma_start_r  = dt3155_status[ minor ].
+	  fbuffer.frame_info[ dt3155_status[ minor ].fbuffer.active_buf ].addr;
+	odd_dma_start_r   =  even_dma_start_r + stride;
+	even_dma_stride_r =  stride;
+	odd_dma_stride_r  =  stride;
+
+	WriteMReg((dt3155_lbase[ minor ] + EVEN_DMA_START),
+		  even_dma_start_r);
+	WriteMReg((dt3155_lbase[ minor ] + ODD_DMA_START),
+		  odd_dma_start_r);
+	WriteMReg((dt3155_lbase[ minor ] + EVEN_DMA_STRIDE),
+		  even_dma_stride_r);
+	WriteMReg((dt3155_lbase[ minor ] + ODD_DMA_STRIDE),
+		  odd_dma_stride_r);
+	break;
+      }
+    }
+
+  /* 50/60 Hz should be set before this point but let's make sure it is */
+  /* right anyway */
+
+  ReadI2C(dt3155_lbase[ minor ], CONFIG, &i2c_csr2.reg);
+  i2c_csr2.fld.HZ50 = FORMAT50HZ;
+  WriteI2C(dt3155_lbase[ minor ], CONFIG, i2c_config.reg);
+
+  /* enable busmaster chip, clear flags */
+
+  /*
+   * TODO:
+   * shouldn't we be concered with continuous values of
+   * DT3155_SNAP & DT3155_ACQ here? (SS)
+   */
+
+  csr1_r.reg                = 0;
+  csr1_r.fld.CAP_CONT_EVE   = 1; /* use continuous capture bits to */
+  csr1_r.fld.CAP_CONT_ODD   = 1; /* enable */
+  csr1_r.fld.FLD_DN_EVE     = 1; /* writing a 1 clears flags */
+  csr1_r.fld.FLD_DN_ODD     = 1;
+  csr1_r.fld.SRST           = 1; /* reset        - must be 1 */
+  csr1_r.fld.FIFO_EN        = 1; /* fifo control - must be 1 */
+  csr1_r.fld.FLD_CRPT_EVE   = 1; /* writing a 1 clears flags */
+  csr1_r.fld.FLD_CRPT_ODD   = 1;
+
+  WriteMReg((dt3155_lbase[ minor ] + CSR1),csr1_r.reg);
+
+  /* Enable interrupts at the end of each field */
+
+  int_csr_r.reg = 0;
+  int_csr_r.fld.FLD_END_EVE_EN = 1;
+  int_csr_r.fld.FLD_END_ODD_EN = 1;
+  int_csr_r.fld.FLD_START_EN = 0;
+
+  WriteMReg((dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg);
+
+  /* start internal BUSY bits */
+
+  ReadI2C(dt3155_lbase[ minor ], CSR2, &i2c_csr2.reg);
+  i2c_csr2.fld.BUSY_ODD  = 1;
+  i2c_csr2.fld.BUSY_EVE  = 1;
+  WriteI2C(dt3155_lbase[ minor ], CSR2, i2c_csr2.reg);
+
+  /* Now its up to the interrupt routine!! */
+
+  return;
+}
+
+
+/*****************************************************
+ * ioctl()
+ *
+ *****************************************************/
+static int dt3155_ioctl(struct inode *inode,
+			struct file *file,
+			unsigned int cmd,
+			unsigned long arg)
+{
+  int minor = MINOR(inode->i_rdev); /* What device are we ioctl()'ing? */
+
+  if ( minor >= MAXBOARDS || minor < 0 )
+    return -ENODEV;
+
+  /* make sure it is valid command */
+  if (_IOC_NR(cmd) > DT3155_IOC_MAXNR)
+    {
+      printk("DT3155: invalid IOCTL(0x%x)\n",cmd);
+      printk("DT3155: Valid commands (0x%x), (0x%x), (0x%x), (0x%x), (0x%x)\n",
+	     (unsigned int)DT3155_GET_CONFIG,
+	     (unsigned int)DT3155_SET_CONFIG,
+	     (unsigned int)DT3155_START,
+	     (unsigned int)DT3155_STOP,
+	     (unsigned int)DT3155_FLUSH);
+      return -EINVAL;
+    }
+
+  switch (cmd)
+    {
+    case DT3155_SET_CONFIG:
+      {
+	if (dt3155_status[minor].state != DT3155_STATE_IDLE)
+	  return -EBUSY;
+
+	{
+	  struct dt3155_config_s tmp;
+	  if (copy_from_user((void *)&tmp, (void *) arg, sizeof(tmp)))
+	      return -EFAULT;
+	  /* check for valid settings */
+	  if (tmp.rows > DT3155_MAX_ROWS ||
+	      tmp.cols > DT3155_MAX_COLS ||
+	      (tmp.acq_mode != DT3155_MODE_FRAME &&
+	       tmp.acq_mode != DT3155_MODE_FIELD) ||
+	      (tmp.continuous != DT3155_SNAP &&
+	       tmp.continuous != DT3155_ACQ))
+	    {
+	      return -EINVAL;
+	    }
+	  dt3155_status[minor].config = tmp;
+	}
+	return 0;
+      }
+    case DT3155_GET_CONFIG:
+      {
+	if (copy_to_user((void *) arg, (void *) &dt3155_status[minor],
+		     sizeof(dt3155_status_t) ))
+	    return -EFAULT;
+	return 0;
+      }
+    case DT3155_FLUSH: /* Flushes the buffers -- ensures fresh data */
+      {
+	if (dt3155_status[minor].state != DT3155_STATE_IDLE)
+	  return -EBUSY;
+	return dt3155_flush(minor);
+      }
+    case DT3155_STOP:
+      {
+	if (dt3155_status[minor].state & DT3155_STATE_STOP ||
+	    dt3155_status[minor].fbuffer.stop_acquire)
+	  return -EBUSY;
+
+	if (dt3155_status[minor].state == DT3155_STATE_IDLE)
+	  return 0;
+
+	quick_stop(minor);
+	if (copy_to_user((void *) arg, (void *) &dt3155_status[minor],
+		     sizeof(dt3155_status_t)))
+	    return -EFAULT;
+	return 0;
+      }
+    case DT3155_START:
+      {
+	if (dt3155_status[minor].state != DT3155_STATE_IDLE)
+	  return -EBUSY;
+
+	dt3155_status[minor].fbuffer.stop_acquire = 0;
+	dt3155_status[minor].fbuffer.frame_count = 0;
+
+	/* Set the MODE in the status -- we default to FRAME */
+	if (dt3155_status[minor].config.acq_mode == DT3155_MODE_FIELD)
+	  {
+	    dt3155_status[minor].state = DT3155_STATE_FLD;
+	  }
+	else
+	  {
+	    dt3155_status[minor].state = DT3155_STATE_FRAME;
+	  }
+
+	dt3155_init_isr(minor);
+	if (copy_to_user( (void *) arg, (void *) &dt3155_status[minor],
+		      sizeof(dt3155_status_t)))
+	    return -EFAULT;
+	return 0;
+      }
+    default:
+      {
+	printk("DT3155: invalid IOCTL(0x%x)\n",cmd);
+      printk("DT3155: Valid commands (0x%x), (0x%x), (0x%x), (0x%x), (0x%x)\n",
+	     (unsigned int)DT3155_GET_CONFIG,
+	     (unsigned int)DT3155_SET_CONFIG,
+	     DT3155_START, DT3155_STOP, DT3155_FLUSH);
+	return -ENOSYS;
+      }
+    }
+  return -ENOSYS;
+}
+
+/*****************************************************
+ * mmap()
+ *
+ * only allow the user to mmap the registers and buffer
+ * It is quite possible that this is broken, since the
+ * addition of of the capacity for two cards!!!!!!!!
+ * It *looks* like it should work but since I'm not
+ * sure how to use it, I'm not actually sure. (NJC? ditto by SS)
+ *****************************************************/
+static int dt3155_mmap (struct file * file, struct vm_area_struct * vma)
+{
+  /* which device are we mmapping? */
+  int				minor = MINOR(file->f_dentry->d_inode->i_rdev);
+  unsigned long	offset;
+  offset = vma->vm_pgoff << PAGE_SHIFT;
+
+  if (offset >= __pa(high_memory) || (file->f_flags & O_SYNC))
+    vma->vm_flags |= VM_IO;
+
+  /* Don't try to swap out physical pages.. */
+  vma->vm_flags |= VM_RESERVED;
+
+  /* they are mapping the registers or the buffer */
+  if ((offset == dt3155_status[minor].reg_addr &&
+       vma->vm_end - vma->vm_start == PCI_PAGE_SIZE) ||
+      (offset == dt3155_status[minor].mem_addr &&
+       vma->vm_end - vma->vm_start == dt3155_status[minor].mem_size))
+    {
+      if (remap_pfn_range(vma,
+			vma->vm_start,
+			offset >> PAGE_SHIFT,
+			vma->vm_end - vma->vm_start,
+			vma->vm_page_prot)) {
+	  printk("DT3155: remap_page_range() failed.\n");
+	  return -EAGAIN;
+	}
+    }
+  else
+    {
+      printk("DT3155: dt3155_mmap() bad call.\n");
+      return -ENXIO;
+    }
+
+  return 0;
+}
+
+
+/*****************************************************
+ * open()
+ *
+ * Our special open code.
+ * MOD_INC_USE_COUNT make sure that the driver memory is not freed
+ * while the device is in use.
+ *****************************************************/
+static int dt3155_open( struct inode* inode, struct file* filep)
+{
+  int minor = MINOR(inode->i_rdev); /* what device are we opening? */
+  if (dt3155_dev_open[ minor ]) {
+    printk ("DT3155:  Already opened by another process.\n");
+    return -EBUSY;
+  }
+
+  if (dt3155_status[ minor ].device_installed==0)
+    {
+      printk("DT3155 Open Error: No such device dt3155 minor number %d\n",
+	     minor);
+      return -EIO;
+    }
+
+  if (dt3155_status[ minor ].state != DT3155_STATE_IDLE) {
+    printk ("DT3155:  Not in idle state (state = %x)\n",
+	    dt3155_status[ minor ].state);
+    return -EBUSY;
+  }
+
+  printk("DT3155: Device opened.\n");
+
+  dt3155_dev_open[ minor ] = 1 ;
+
+  dt3155_flush( minor );
+
+  /* Disable ALL interrupts */
+  int_csr_r.reg = 0;
+  WriteMReg( (dt3155_lbase[ minor ] + INT_CSR), int_csr_r.reg );
+
+  init_waitqueue_head(&(dt3155_read_wait_queue[minor]));
+
+  return 0;
+}
+
+
+/*****************************************************
+ * close()
+ *
+ * Now decrement the use count.
+ *
+ *****************************************************/
+static int dt3155_close( struct inode *inode, struct file *filep)
+{
+  int minor;
+
+  minor = MINOR(inode->i_rdev); /* which device are we closing */
+  if (!dt3155_dev_open[ minor ])
+    {
+      printk("DT3155: attempt to CLOSE a not OPEN device\n");
+    }
+  else
+    {
+      dt3155_dev_open[ minor ] = 0;
+
+      if (dt3155_status[ minor ].state != DT3155_STATE_IDLE)
+	{
+	  quick_stop(minor);
+	}
+    }
+  return 0;
+}
+
+/*****************************************************
+ * read()
+ *
+ *****************************************************/
+static ssize_t dt3155_read(struct file *filep, char __user *buf,
+			   size_t count, loff_t *ppos)
+{
+  /* which device are we reading from? */
+  int		minor = MINOR(filep->f_dentry->d_inode->i_rdev);
+  u32		offset;
+  int		frame_index;
+  frame_info_t	*frame_info_p;
+
+  /* TODO: this should check the error flag and */
+  /*   return an error on hardware failures */
+  if (count != sizeof(dt3155_read_t))
+    {
+      printk("DT3155 ERROR (NJC): count is not right\n");
+      return -EINVAL;
+    }
+
+
+  /* Hack here -- I'm going to allow reading even when idle.
+   * this is so that the frames can be read after STOP has
+   * been called.  Leaving it here, commented out, as a reminder
+   * for a short while to make sure there are no problems.
+   * Note that if the driver is not opened in non_blocking mode,
+   * and the device is idle, then it could sit here forever! */
+
+  /*  if (dt3155_status[minor].state == DT3155_STATE_IDLE)*/
+  /*    return -EBUSY;*/
+
+  /* non-blocking reads should return if no data */
+  if (filep->f_flags & O_NDELAY)
+    {
+      if ((frame_index = dt3155_get_ready_buffer(minor)) < 0) {
+	/*printk( "dt3155:  no buffers available (?)\n");*/
+	/* 		printques(minor); */
+	return -EAGAIN;
+      }
+    }
+  else
+    {
+      /*
+       * sleep till data arrives , or we get interrupted.
+       * Note that wait_event_interruptible() does not actually
+       * sleep/wait if it's condition evaluates to true upon entry.
+       */
+      wait_event_interruptible(dt3155_read_wait_queue[minor],
+			       (frame_index = dt3155_get_ready_buffer(minor))
+			       >= 0);
+
+      if (frame_index < 0)
+	{
+	  printk ("DT3155: read: interrupted\n");
+	  quick_stop (minor);
+	  printques(minor);
+	  return -EINTR;
+	}
+    }
+
+  frame_info_p = &dt3155_status[minor].fbuffer.frame_info[frame_index];
+
+  /* make this an offset */
+  offset = frame_info_p->addr - dt3155_status[minor].mem_addr;
+
+  put_user(offset, (unsigned int *) buf);
+  buf += sizeof(u32);
+  put_user( dt3155_status[minor].fbuffer.frame_count, (unsigned int *) buf);
+  buf += sizeof(u32);
+  put_user(dt3155_status[minor].state, (unsigned int *) buf);
+  buf += sizeof(u32);
+  if (copy_to_user(buf, frame_info_p, sizeof(frame_info_t)))
+      return -EFAULT;
+
+  return sizeof(dt3155_read_t);
+}
+
+static unsigned int dt3155_poll (struct file * filp, poll_table *wait)
+{
+  int minor = MINOR(filp->f_dentry->d_inode->i_rdev);
+
+  if (!is_ready_buf_empty(minor))
+    return POLLIN | POLLRDNORM;
+
+  poll_wait (filp, &dt3155_read_wait_queue[minor], wait);
+
+  return 0;
+}
+
+
+/*****************************************************
+ * file operations supported by DT3155 driver
+ *  needed by init_module
+ *  register_chrdev
+ *****************************************************/
+static struct file_operations dt3155_fops = {
+  read:		dt3155_read,
+  ioctl:		dt3155_ioctl,
+  mmap:		dt3155_mmap,
+  poll:           dt3155_poll,
+  open:		dt3155_open,
+  release:	dt3155_close
+};
+
+
+/*****************************************************
+ * find_PCI();
+ *
+ * PCI has been totally reworked in 2.1..
+ *****************************************************/
+static int find_PCI (void)
+{
+  struct pci_dev *pci_dev = NULL;
+  int error, pci_index = 0;
+  unsigned short rev_device;
+  unsigned long base;
+  unsigned char irq;
+
+  while ((pci_dev = pci_get_device
+	  (DT3155_VENDORID, DT3155_DEVICEID, pci_dev)) != NULL)
+    {
+      pci_index ++;
+
+      /* Is it really there? */
+      if ((error =
+	   pci_read_config_word(pci_dev, PCI_CLASS_DEVICE, &rev_device)))
+	continue;
+
+      /* Found a board */
+      DT_3155_DEBUG_MSG("DT3155: Device number %d \n", pci_index);
+
+      /* Make sure the driver was compiled with enough buffers to handle
+	 this many boards */
+      if (pci_index > MAXBOARDS) {
+	printk("DT3155: ERROR - found %d devices, but driver only configured "
+	       "for %d devices\n"
+	       "DT3155: Please change MAXBOARDS in dt3155.h\n",
+	       pci_index, MAXBOARDS);
+	goto err;
+      }
+
+      /* Now, just go out and make sure that this/these device(s) is/are
+	 actually mapped into the kernel address space */
+      if ((error = pci_read_config_dword( pci_dev, PCI_BASE_ADDRESS_0,
+					  (u32 *) &base)))
+	{
+	  printk("DT3155: Was not able to find device \n");
+	  goto err;
+	}
+
+      DT_3155_DEBUG_MSG("DT3155: Base address 0 for device is %lx \n", base);
+      dt3155_status[pci_index-1].reg_addr = base;
+
+      /* Remap the base address to a logical address through which we
+       * can access it. */
+      dt3155_lbase[ pci_index - 1 ] = ioremap(base,PCI_PAGE_SIZE);
+      dt3155_status[ pci_index - 1 ].reg_addr = base;
+      DT_3155_DEBUG_MSG("DT3155: New logical address is %p \n",
+			dt3155_lbase[pci_index-1]);
+      if ( !dt3155_lbase[pci_index-1] )
+	{
+	  printk("DT3155: Unable to remap control registers\n");
+	  goto err;
+	}
+
+      if ( (error = pci_read_config_byte( pci_dev, PCI_INTERRUPT_LINE, &irq)) )
+	{
+	  printk("DT3155: Was not able to find device \n");
+	  goto err;
+	}
+
+      DT_3155_DEBUG_MSG("DT3155: IRQ is %d \n",irq);
+      dt3155_status[ pci_index-1 ].irq = irq;
+      /* Set flag: kth device found! */
+      dt3155_status[ pci_index-1 ].device_installed = 1;
+      printk("DT3155: Installing device %d w/irq %d and address %p\n",
+	     pci_index,
+	     dt3155_status[pci_index-1].irq,
+	     dt3155_lbase[pci_index-1]);
+
+    }
+  ndevices = pci_index;
+
+  return DT_3155_SUCCESS;
+
+err:
+  pci_dev_put(pci_dev);
+  return DT_3155_FAILURE;
+}
+
+u32 allocatorAddr = 0;
+
+/*****************************************************
+ * init_module()
+ *****************************************************/
+int init_module(void)
+{
+  int index;
+  int rcode = 0;
+  char *devname[ MAXBOARDS ];
+
+  devname[ 0 ] = "dt3155a";
+#if MAXBOARDS == 2
+  devname[ 1 ] = "dt3155b";
+#endif
+
+  printk("DT3155: Loading module...\n");
+
+  /* Register the device driver */
+  rcode = register_chrdev( dt3155_major, "dt3155", &dt3155_fops );
+  if( rcode < 0 )
+    {
+      printk( KERN_INFO "DT3155: register_chrdev failed \n");
+      return rcode;
+    }
+
+  if( dt3155_major == 0 )
+    dt3155_major = rcode; /* dynamic */
+
+
+  /* init the status variables.                     */
+  /* DMA memory is taken care of in setup_buffers() */
+  for ( index = 0; index < MAXBOARDS; index++ )
+    {
+      dt3155_status[ index ].config.acq_mode   = DT3155_MODE_FRAME;
+      dt3155_status[ index ].config.continuous = DT3155_ACQ;
+      dt3155_status[ index ].config.cols       = DT3155_MAX_COLS;
+      dt3155_status[ index ].config.rows       = DT3155_MAX_ROWS;
+      dt3155_status[ index ].state = DT3155_STATE_IDLE;
+
+      /* find_PCI() will check if devices are installed; */
+      /* first assume they're not:                       */
+      dt3155_status[ index ].mem_addr          = 0;
+      dt3155_status[ index ].mem_size          = 0;
+      dt3155_status[ index ].state             = DT3155_STATE_IDLE;
+      dt3155_status[ index ].device_installed  = 0;
+    }
+
+  /* Now let's find the hardware.  find_PCI() will set ndevices to the
+   * number of cards found in this machine. */
+    {
+      if ( (rcode = find_PCI()) !=  DT_3155_SUCCESS )
+	{
+	  printk("DT3155 error: find_PCI() failed to find dt3155 board(s)\n");
+	  unregister_chrdev( dt3155_major, "dt3155" );
+	  return rcode;
+	}
+    }
+
+  /* Ok, time to setup the frame buffers */
+  if( (rcode = dt3155_setup_buffers(&allocatorAddr)) < 0 )
+    {
+      printk("DT3155: Error: setting up buffer not large enough.");
+      unregister_chrdev( dt3155_major, "dt3155" );
+      return rcode;
+    }
+
+  /* If we are this far, then there is enough RAM */
+  /* for the buffers: Print the configuration.    */
+  for(  index = 0;  index < ndevices;  index++ )
+    {
+      printk("DT3155: Device = %d; acq_mode = %d; "
+	     "continuous = %d; cols = %d; rows = %d;\n",
+	     index ,
+	     dt3155_status[ index ].config.acq_mode,
+	     dt3155_status[ index ].config.continuous,
+	     dt3155_status[ index ].config.cols,
+	     dt3155_status[ index ].config.rows);
+      printk("DT3155: m_addr = 0x%x; m_size = %ld; "
+	     "state = %d; device_installed = %d\n",
+	     dt3155_status[ index ].mem_addr,
+	     (long int)dt3155_status[ index ].mem_size,
+	     dt3155_status[ index ].state,
+	     dt3155_status[ index ].device_installed);
+    }
+
+  /* Disable ALL interrupts */
+  int_csr_r.reg = 0;
+  for(  index = 0;  index < ndevices;  index++ )
+    {
+      WriteMReg( (dt3155_lbase[ index ] + INT_CSR), int_csr_r.reg );
+      if( dt3155_status[ index ].device_installed )
+	{
+	  /*
+	   * This driver *looks* like it can handle sharing interrupts,
+	   * but I can't actually test myself. I've had reports that it
+	   * DOES work so I'll enable it for now. This comment will remain
+	   * as a reminder in case any problems arise. (SS)
+	   */
+	  /* in older kernels flags are: SA_SHIRQ | SA_INTERRUPT */
+	  rcode = request_irq( dt3155_status[ index ].irq, (void *)dt3155_isr,
+			       IRQF_SHARED | IRQF_DISABLED, devname[ index ],
+			       (void*) &dt3155_status[index]);
+	  if( rcode < 0 )
+	    {
+	      printk("DT3155: minor %d request_irq failed for IRQ %d\n",
+		     index, dt3155_status[index].irq);
+	      unregister_chrdev( dt3155_major, "dt3155" );
+	      return rcode;
+	    }
+	}
+    }
+
+  printk("DT3155: finished loading\n");
+
+  return 0;
+}
+
+/*****************************************************
+ * cleanup_module(void)
+ *
+ *****************************************************/
+void cleanup_module(void)
+{
+  int index;
+
+  printk("DT3155:  cleanup_module called\n");
+
+  /* removed DMA allocated with the allocator */
+#ifdef STANDALONE_ALLOCATOR
+  if (allocatorAddr != 0)
+    allocator_free_dma(allocatorAddr);
+#else
+  allocator_cleanup();
+#endif
+
+  unregister_chrdev( dt3155_major, "dt3155" );
+
+  for( index = 0; index < ndevices; index++ )
+    {
+      if( dt3155_status[ index ].device_installed == 1 )
+	{
+	  printk( "DT3155: Freeing irq %d for device %d\n",
+		  dt3155_status[ index ].irq, index );
+	  free_irq( dt3155_status[ index ].irq, (void*)&dt3155_status[index] );
+	}
+    }
+}
+
diff --git a/drivers/staging/dt3155/dt3155_drv.h b/drivers/staging/dt3155/dt3155_drv.h
new file mode 100644
index 000000000000..95e68c3388a4
--- /dev/null
+++ b/drivers/staging/dt3155/dt3155_drv.h
@@ -0,0 +1,45 @@
+/*
+
+Copyright 1996,2002 Gregory D. Hager, Alfred A. Rizzi, Noah J. Cowan,
+		    Scott Smedley
+
+This file is part of the DT3155 Device Driver.
+
+The DT3155 Device Driver is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The DT3155 Device Driver is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the DT3155 Device Driver; if not, write to the Free
+Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+MA 02111-1307 USA
+*/
+
+#ifndef DT3155_DRV_INC
+#define DT3155_DRV_INC
+
+/* kernel logical address of the frame grabbers */
+extern u8 *dt3155_lbase[MAXBOARDS];
+
+/* kernel logical address of ram buffer */
+extern u8 *dt3155_bbase;
+
+#ifdef __KERNEL__
+#include <linux/wait.h>
+
+/* wait queue for reads */
+extern wait_queue_head_t dt3155_read_wait_queue[MAXBOARDS];
+#endif
+
+/* number of devices */
+extern u32 ndevices;
+
+extern int dt3155_errno;
+
+#endif
diff --git a/drivers/staging/dt3155/dt3155_io.c b/drivers/staging/dt3155/dt3155_io.c
new file mode 100644
index 000000000000..6b9c68501a61
--- /dev/null
+++ b/drivers/staging/dt3155/dt3155_io.c
@@ -0,0 +1,175 @@
+/*
+ * Copyright 1996,2002,2005 Gregory D. Hager, Alfred A. Rizzi, Noah J. Cowan,
+ *			    Jason Lapenta, Scott Smedley
+ *
+ * This file is part of the DT3155 Device Driver.
+ *
+ * The DT3155 Device Driver is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * The DT3155 Device Driver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General
+ * Public License for more details.
+ */
+
+/*
+ * This file provides some basic register io routines.  It is modified from
+ * demo code provided by Data Translations.
+ */
+
+#include <linux/delay.h>
+#include "dt3155.h"
+#include "dt3155_io.h"
+#include "dt3155_drv.h"
+
+
+/****** local copies of board's 32 bit registers ******/
+u32 even_dma_start_r;	/*  bit 0 should always be 0 */
+u32 odd_dma_start_r;	/*               .. */
+u32 even_dma_stride_r;	/*  bits 0&1 should always be 0 */
+u32 odd_dma_stride_r;	/*               .. */
+u32 even_pixel_fmt_r;
+u32 odd_pixel_fmt_r;
+
+FIFO_TRIGGER_R		fifo_trigger_r;
+XFER_MODE_R		xfer_mode_r;
+CSR1_R			csr1_r;
+RETRY_WAIT_CNT_R	retry_wait_cnt_r;
+INT_CSR_R		int_csr_r;
+
+u32 even_fld_mask_r;
+u32 odd_fld_mask_r;
+
+MASK_LENGTH_R		mask_length_r;
+FIFO_FLAG_CNT_R		fifo_flag_cnt_r;
+IIC_CLK_DUR_R		iic_clk_dur_r;
+IIC_CSR1_R		iic_csr1_r;
+IIC_CSR2_R		iic_csr2_r;
+DMA_UPPER_LMT_R		even_dma_upper_lmt_r;
+DMA_UPPER_LMT_R		odd_dma_upper_lmt_r;
+
+
+
+/******** local copies of board's 8 bit I2C registers ******/
+I2C_CSR2 i2c_csr2;
+I2C_EVEN_CSR i2c_even_csr;
+I2C_ODD_CSR i2c_odd_csr;
+I2C_CONFIG i2c_config;
+u8 i2c_dt_id;
+u8 i2c_x_clip_start;
+u8 i2c_y_clip_start;
+u8 i2c_x_clip_end;
+u8 i2c_y_clip_end;
+u8 i2c_ad_addr;
+u8 i2c_ad_lut;
+I2C_AD_CMD i2c_ad_cmd;
+u8 i2c_dig_out;
+u8 i2c_pm_lut_addr;
+u8 i2c_pm_lut_data;
+
+/*
+ * wait_ibsyclr()
+ *
+ * This function handles read/write timing and r/w timeout error
+ *
+ * Returns TRUE  if NEW_CYCLE clears
+ * Returns FALSE if NEW_CYCLE doesn't clear in roughly 3 msecs, otherwise
+ * returns 0
+ */
+static int wait_ibsyclr(u8 *lpReg)
+{
+	/* wait 100 microseconds */
+	udelay(100L);
+	/* __delay(loops_per_sec/10000); */
+	if (iic_csr2_r.fld.NEW_CYCLE) {
+		/* if NEW_CYCLE didn't clear */
+		/* TIMEOUT ERROR */
+		dt3155_errno = DT_ERR_I2C_TIMEOUT;
+		return FALSE;
+	} else
+		return TRUE;	/* no error */
+}
+
+/*
+ * WriteI2C()
+ *
+ * This function handles writing to 8-bit DT3155 registers
+ *
+ * 1st parameter is pointer to 32-bit register base address
+ * 2nd parameter is reg. index;
+ * 3rd is value to be written
+ *
+ * Returns TRUE   -  Successful completion
+ *         FALSE  -  Timeout error - cycle did not complete!
+ */
+int WriteI2C(u8 *lpReg, u_short wIregIndex, u8 byVal)
+{
+	int writestat;	/* status for return */
+
+	/* read 32 bit IIC_CSR2 register data into union */
+
+	ReadMReg((lpReg + IIC_CSR2), iic_csr2_r.reg);
+
+	/* for write operation */
+	iic_csr2_r.fld.DIR_RD      = 0;
+	/* I2C address of I2C register: */
+	iic_csr2_r.fld.DIR_ADDR    = wIregIndex;
+	/* 8 bit data to be written to I2C reg */
+	iic_csr2_r.fld.DIR_WR_DATA = byVal;
+	/* will start a direct I2C cycle: */
+	iic_csr2_r.fld.NEW_CYCLE   = 1;
+
+	/* xfer union data into 32 bit IIC_CSR2 register */
+	WriteMReg((lpReg + IIC_CSR2), iic_csr2_r.reg);
+
+	/* wait for IIC cycle to finish */
+	writestat = wait_ibsyclr(lpReg);
+	return writestat;
+}
+
+/*
+ * ReadI2C()
+ *
+ * This function handles reading from 8-bit DT3155 registers
+ *
+ * 1st parameter is pointer to 32-bit register base address
+ * 2nd parameter is reg. index;
+ * 3rd is adrs of value to be read
+ *
+ * Returns TRUE   -  Successful completion
+ *         FALSE  -  Timeout error - cycle did not complete!
+ */
+int ReadI2C(u8 *lpReg, u_short wIregIndex, u8 *byVal)
+{
+	int writestat;	/* status for return */
+
+	/*  read 32 bit IIC_CSR2 register data into union */
+	ReadMReg((lpReg + IIC_CSR2), iic_csr2_r.reg);
+
+	/*  for read operation */
+	iic_csr2_r.fld.DIR_RD     = 1;
+
+	/*  I2C address of I2C register: */
+	iic_csr2_r.fld.DIR_ADDR   = wIregIndex;
+
+	/*  will start a direct I2C cycle: */
+	iic_csr2_r.fld.NEW_CYCLE  = 1;
+
+	/*  xfer union's data into 32 bit IIC_CSR2 register */
+	WriteMReg((lpReg + IIC_CSR2), iic_csr2_r.reg);
+
+	/* wait for IIC cycle to finish */
+	writestat = wait_ibsyclr(lpReg);
+
+	/* Next 2 commands read 32 bit IIC_CSR1 register's data into union */
+	/* first read data is in IIC_CSR1 */
+	ReadMReg((lpReg + IIC_CSR1), iic_csr1_r.reg);
+
+	/* now get data u8 out of register */
+	*byVal = (u8) iic_csr1_r.fld.RD_DATA;
+
+	return writestat;
+}
diff --git a/drivers/staging/dt3155/dt3155_io.h b/drivers/staging/dt3155/dt3155_io.h
new file mode 100644
index 000000000000..d1a25100169f
--- /dev/null
+++ b/drivers/staging/dt3155/dt3155_io.h
@@ -0,0 +1,358 @@
+/*
+
+Copyright 1996,2002 Gregory D. Hager, Alfred A. Rizzi, Noah J. Cowan,
+		    Jason Lapenta, Scott Smedley
+
+This file is part of the DT3155 Device Driver.
+
+The DT3155 Device Driver is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The DT3155 Device Driver is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the DT3155 Device Driver; if not, write to the Free
+Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+MA 02111-1307 USA
+
+
+-- Changes --
+
+  Date     Programmer  Description of changes made
+  -------------------------------------------------------------------
+  24-Jul-2002 SS       GPL licence.
+
+*/
+
+/* This code is a modified version of examples provided by Data Translations.*/
+
+#ifndef DT3155_IO_INC
+#define DT3155_IO_INC
+
+/* macros to access registers */
+
+#define WriteMReg(Address, Data)	(*((u32 *)(Address)) = Data)
+#define ReadMReg(Address, Data)		(Data = *((u32 *)(Address)))
+
+/***************** 32 bit register globals  **************/
+
+/*  offsets for 32-bit memory mapped registers */
+
+#define EVEN_DMA_START		0x000
+#define ODD_DMA_START		0x00C
+#define EVEN_DMA_STRIDE		0x018
+#define ODD_DMA_STRIDE		0x024
+#define EVEN_PIXEL_FMT		0x030
+#define ODD_PIXEL_FMT		0x034
+#define FIFO_TRIGGER		0x038
+#define XFER_MODE		0x03C
+#define CSR1			0x040
+#define RETRY_WAIT_CNT		0x044
+#define INT_CSR			0x048
+#define EVEN_FLD_MASK		0x04C
+#define ODD_FLD_MASK		0x050
+#define MASK_LENGTH		0x054
+#define FIFO_FLAG_CNT		0x058
+#define IIC_CLK_DUR		0x05C
+#define IIC_CSR1		0x060
+#define IIC_CSR2		0x064
+#define EVEN_DMA_UPPR_LMT	0x08C
+#define ODD_DMA_UPPR_LMT	0x090
+
+#define CLK_DUR_VAL		0x01010101
+
+
+
+/******** Assignments and Typedefs for 32 bit Memory Mapped Registers ********/
+
+typedef union fifo_trigger_tag {
+	u32   reg;
+	struct {
+		u32 PACKED:6;
+		u32       :9;
+		u32 PLANER:7;
+		u32       :9;
+	} fld;
+} FIFO_TRIGGER_R;
+
+typedef union xfer_mode_tag {
+	u32   reg;
+	struct {
+		u32             :2;
+		u32 FIELD_TOGGLE:1;
+		u32             :5;
+		u32             :2;
+		u32             :22;
+	} fld;
+} XFER_MODE_R;
+
+typedef union csr1_tag {
+	u32   reg;
+	struct {
+		u32 CAP_CONT_EVE:1;
+		u32 CAP_CONT_ODD:1;
+		u32 CAP_SNGL_EVE:1;
+		u32 CAP_SNGL_ODD:1;
+		u32 FLD_DN_EVE  :1;
+		u32 FLD_DN_ODD  :1;
+		u32 SRST        :1;
+		u32 FIFO_EN     :1;
+		u32 FLD_CRPT_EVE:1;
+		u32 FLD_CRPT_ODD:1;
+		u32 ADDR_ERR_EVE:1;
+		u32 ADDR_ERR_ODD:1;
+		u32 CRPT_DIS    :1;
+		u32 RANGE_EN    :1;
+		u32             :16;
+	} fld;
+} CSR1_R;
+
+typedef union retry_wait_cnt_tag {
+	u32   reg;
+	struct {
+		u32 RTRY_WAIT_CNT:8;
+		u32              :24;
+	} fld;
+} RETRY_WAIT_CNT_R;
+
+typedef union int_csr_tag {
+	u32   reg;
+	struct {
+		u32 FLD_END_EVE   :1;
+		u32 FLD_END_ODD   :1;
+		u32 FLD_START     :1;
+		u32               :5;
+		u32 FLD_END_EVE_EN:1;
+		u32 FLD_END_ODD_EN:1;
+		u32 FLD_START_EN  :1;
+		u32               :21;
+	} fld;
+} INT_CSR_R;
+
+typedef union mask_length_tag {
+	u32   reg;
+	struct {
+		u32 MASK_LEN_EVE:5;
+		u32             :11;
+		u32 MASK_LEN_ODD:5;
+		u32             :11;
+	} fld;
+} MASK_LENGTH_R;
+
+typedef union fifo_flag_cnt_tag {
+	u32   reg;
+	struct {
+		u32 AF_COUNT:7;
+		u32         :9;
+		u32 AE_COUNT:7;
+		u32         :9;
+	} fld;
+} FIFO_FLAG_CNT_R;
+
+typedef union iic_clk_dur {
+	u32   reg;
+	struct {
+		u32 PHASE_1:8;
+		u32 PHASE_2:8;
+		u32 PHASE_3:8;
+		u32 PHASE_4:8;
+	} fld;
+} IIC_CLK_DUR_R;
+
+typedef union iic_csr1_tag {
+	u32   reg;
+	struct {
+		u32 AUTO_EN     :1;
+		u32 BYPASS      :1;
+		u32 SDA_OUT     :1;
+		u32 SCL_OUT     :1;
+		u32             :4;
+		u32 AUTO_ABORT  :1;
+		u32 DIRECT_ABORT:1;
+		u32 SDA_IN      :1;
+		u32 SCL_IN      :1;
+		u32             :4;
+		u32 AUTO_ADDR   :8;
+		u32 RD_DATA     :8;
+	} fld;
+} IIC_CSR1_R;
+
+/**********************************
+ * iic_csr2_tag
+ */
+typedef union iic_csr2_tag {
+	u32   reg;
+	struct {
+		u32 DIR_WR_DATA :8;
+		u32 DIR_SUB_ADDR:8;
+		u32 DIR_RD      :1;
+		u32 DIR_ADDR    :7;
+		u32 NEW_CYCLE   :1;
+		u32             :7;
+	} fld;
+}  IIC_CSR2_R;
+
+/* use for both EVEN and ODD DMA UPPER LIMITS */
+
+/*
+ * dma_upper_lmt_tag
+ */
+typedef union dma_upper_lmt_tag   {
+	u32 reg;
+	struct {
+		u32 DMA_UPPER_LMT_VAL:24;
+		u32                  :8;
+	} fld;
+} DMA_UPPER_LMT_R;
+
+
+/*
+ * Global declarations of local copies of boards' 32 bit registers
+ */
+extern u32 even_dma_start_r;		/*  bit 0 should always be 0 */
+extern u32 odd_dma_start_r;		/*               ..          */
+extern u32 even_dma_stride_r;	/*  bits 0&1 should always be 0 */
+extern u32 odd_dma_stride_r;		/*               ..             */
+extern u32 even_pixel_fmt_r;
+extern u32 odd_pixel_fmt_r;
+
+extern FIFO_TRIGGER_R		fifo_trigger_r;
+extern XFER_MODE_R		xfer_mode_r;
+extern CSR1_R			csr1_r;
+extern RETRY_WAIT_CNT_R		retry_wait_cnt_r;
+extern INT_CSR_R		int_csr_r;
+
+extern u32 even_fld_mask_r;
+extern u32 odd_fld_mask_r;
+
+extern MASK_LENGTH_R		mask_length_r;
+extern FIFO_FLAG_CNT_R		fifo_flag_cnt_r;
+extern IIC_CLK_DUR_R		iic_clk_dur_r;
+extern IIC_CSR1_R		iic_csr1_r;
+extern IIC_CSR2_R		iic_csr2_r;
+extern DMA_UPPER_LMT_R		even_dma_upper_lmt_r;
+extern DMA_UPPER_LMT_R		odd_dma_upper_lmt_r;
+
+
+
+/***************** 8 bit I2C register globals  ***********/
+#define CSR2		0x010	/* indices of 8-bit I2C mapped reg's*/
+#define EVEN_CSR	0x011
+#define ODD_CSR		0x012
+#define CONFIG		0x013
+#define DT_ID		0x01F
+#define X_CLIP_START	0x020
+#define Y_CLIP_START	0x022
+#define X_CLIP_END	0x024
+#define Y_CLIP_END	0x026
+#define AD_ADDR		0x030
+#define AD_LUT		0x031
+#define AD_CMD		0x032
+#define DIG_OUT		0x040
+#define PM_LUT_ADDR	0x050
+#define PM_LUT_DATA	0x051
+
+
+/******** Assignments and Typedefs for 8 bit I2C Registers********************/
+
+typedef union i2c_csr2_tag {
+	u8 reg;
+	struct {
+		u8 CHROM_FIL:1;
+		u8 SYNC_SNTL:1;
+		u8 HZ50:1;
+		u8 SYNC_PRESENT:1;
+		u8 BUSY_EVE:1;
+		u8 BUSY_ODD:1;
+		u8 DISP_PASS:1;
+	} fld;
+} I2C_CSR2;
+
+typedef union i2c_even_csr_tag {
+	u8    reg;
+	struct {
+		u8 DONE_EVE :1;
+		u8 SNGL_EVE :1;
+		u8 ERROR_EVE:1;
+		u8          :5;
+	} fld;
+} I2C_EVEN_CSR;
+
+typedef union i2c_odd_csr_tag {
+	u8 reg;
+	struct {
+		u8 DONE_ODD:1;
+		u8 SNGL_ODD:1;
+		u8 ERROR_ODD:1;
+		u8 :5;
+	} fld;
+} I2C_ODD_CSR;
+
+typedef union i2c_config_tag {
+	u8 reg;
+	struct {
+		u8 ACQ_MODE:2;
+		u8 EXT_TRIG_EN:1;
+		u8 EXT_TRIG_POL:1;
+		u8 H_SCALE:1;
+		u8 CLIP:1;
+		u8 PM_LUT_SEL:1;
+		u8 PM_LUT_PGM:1;
+	} fld;
+} I2C_CONFIG;
+
+
+typedef union i2c_ad_cmd_tag {
+	/* bits can have 3 different meanings depending on value of AD_ADDR */
+	u8 reg;
+	/* Bt252 Command Register if AD_ADDR = 00h */
+	struct {
+		u8             :2;
+		u8 SYNC_LVL_SEL:2;
+		u8 SYNC_CNL_SEL:2;
+		u8 DIGITIZE_CNL_SEL1:2;
+		} bt252_command;
+
+	/* Bt252 IOUT0 register if AD_ADDR = 01h */
+	struct {
+		u8 IOUT_DATA:8;
+	} bt252_iout0;
+
+	/* BT252 IOUT1 register if AD_ADDR = 02h */
+	struct {
+		u8 IOUT_DATA:8;
+	} bt252_iout1;
+} I2C_AD_CMD;
+
+
+/***** Global declarations of local copies of boards' 8 bit I2C registers ***/
+
+extern I2C_CSR2			i2c_csr2;
+extern I2C_EVEN_CSR		i2c_even_csr;
+extern I2C_ODD_CSR		i2c_odd_csr;
+extern I2C_CONFIG		i2c_config;
+extern u8			i2c_dt_id;
+extern u8			i2c_x_clip_start;
+extern u8			i2c_y_clip_start;
+extern u8			i2c_x_clip_end;
+extern u8			i2c_y_clip_end;
+extern u8			i2c_ad_addr;
+extern u8			i2c_ad_lut;
+extern I2C_AD_CMD		i2c_ad_cmd;
+extern u8			i2c_dig_out;
+extern u8			i2c_pm_lut_addr;
+extern u8			i2c_pm_lut_data;
+
+/* Functions for Global use */
+
+/* access 8-bit IIC registers */
+
+extern int ReadI2C(u8 *lpReg, u_short wIregIndex, u8 *byVal);
+extern int WriteI2C(u8 *lpReg, u_short wIregIndex, u8 byVal);
+
+#endif
diff --git a/drivers/staging/dt3155/dt3155_isr.c b/drivers/staging/dt3155/dt3155_isr.c
new file mode 100644
index 000000000000..fd7f93d6c33d
--- /dev/null
+++ b/drivers/staging/dt3155/dt3155_isr.c
@@ -0,0 +1,516 @@
+/*
+
+Copyright 1996,2002,2005 Gregory D. Hager, Alfred A. Rizzi, Noah J. Cowan,
+                         Jason Lapenta, Scott Smedley, Greg Sharp
+
+This file is part of the DT3155 Device Driver.
+
+The DT3155 Device Driver is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The DT3155 Device Driver is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the DT3155 Device Driver; if not, write to the Free
+Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+MA 02111-1307 USA
+
+   File: dt3155_isr.c
+Purpose: Buffer management routines, and other routines for the ISR
+         (the actual isr is in dt3155_drv.c)
+
+-- Changes --
+
+  Date       Programmer  Description of changes made
+  -------------------------------------------------------------------
+  03-Jul-2000 JML       n/a
+  02-Apr-2002 SS        Mods to make work with separate allocator
+                        module; Merged John Roll's mods to make work with
+                        multiple boards.
+  10-Jul-2002 GCS       Complete rewrite of setup_buffers to disallow
+                        buffers which span a 4MB boundary.
+  24-Jul-2002 SS        GPL licence.
+  30-Jul-2002 NJC       Added support for buffer loop.
+  31-Jul-2002 NJC       Complete rewrite of buffer management
+  02-Aug-2002 NJC       Including slab.h instead of malloc.h (no warning).
+                        Also, allocator_init() now returns allocator_max
+                        so cleaned up allocate_buffers() accordingly.
+  08-Aug-2005 SS        port to 2.6 kernel.
+
+*/
+
+#include <asm/system.h>
+#include <linux/slab.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+
+#include "dt3155.h"
+#include "dt3155_drv.h"
+#include "dt3155_io.h"
+#include "dt3155_isr.h"
+#include "allocator.h"
+
+#define FOUR_MB         (0x0400000)  /* Can't DMA accross a 4MB boundary!*/
+#define UPPER_10_BITS   (0x3FF<<22)  /* Can't DMA accross a 4MB boundary!*/
+
+
+/* Pointer into global structure for handling buffers */
+struct dt3155_fbuffer_s *dt3155_fbuffer[MAXBOARDS] = {NULL
+#if MAXBOARDS == 2
+						      , NULL
+#endif
+};
+
+/******************************************************************************
+ * Simple array based que struct
+ *
+ * Some handy functions using the buffering structure.
+ *****************************************************************************/
+
+
+/***************************
+ * are_empty_buffers
+ * m is minor # of device
+ ***************************/
+inline bool are_empty_buffers( int m )
+{
+  return ( dt3155_fbuffer[ m ]->empty_len );
+}
+
+/**************************
+ * push_empty
+ * m is minor # of device
+ *
+ * This is slightly confusing.  The number empty_len is the literal #
+ * of empty buffers.  After calling, empty_len-1 is the index into the
+ * empty buffer stack.  So, if empty_len == 1, there is one empty buffer,
+ * given by dt3155_fbuffer[m]->empty_buffers[0].
+ * empty_buffers should never fill up, though this is not checked.
+ **************************/
+inline void push_empty( int index, int m )
+{
+  dt3155_fbuffer[m]->empty_buffers[ dt3155_fbuffer[m]->empty_len ] = index;
+  dt3155_fbuffer[m]->empty_len++;
+}
+
+/**************************
+ * pop_empty( m )
+ * m is minor # of device
+ **************************/
+inline int pop_empty( int m )
+{
+  dt3155_fbuffer[m]->empty_len--;
+  return dt3155_fbuffer[m]->empty_buffers[ dt3155_fbuffer[m]->empty_len ];
+}
+
+/*************************
+ * is_ready_buf_empty( m )
+ * m is minor # of device
+ *************************/
+inline bool is_ready_buf_empty( int m )
+{
+  return ((dt3155_fbuffer[ m ]->ready_len) == 0);
+}
+
+/*************************
+ * is_ready_buf_full( m )
+ * m is minor # of device
+ * this should *never* be true if there are any active, locked or empty
+ * buffers, since it corresponds to nbuffers ready buffers!!
+ * 7/31/02: total rewrite. --NJC
+ *************************/
+inline bool is_ready_buf_full( int m )
+{
+  return ( dt3155_fbuffer[ m ]->ready_len == dt3155_fbuffer[ m ]->nbuffers );
+}
+
+/*****************************************************
+ * push_ready( m, buffer )
+ * m is minor # of device
+ *
+ *****************************************************/
+inline void push_ready( int m, int index )
+{
+  int head = dt3155_fbuffer[m]->ready_head;
+
+  dt3155_fbuffer[ m ]->ready_que[ head ] = index;
+  dt3155_fbuffer[ m ]->ready_head = ( (head + 1) %
+				      (dt3155_fbuffer[ m ]->nbuffers) );
+  dt3155_fbuffer[ m ]->ready_len++;
+
+}
+
+/*****************************************************
+ * get_tail()
+ * m is minor # of device
+ *
+ * Simply comptutes the tail given the head and the length.
+ *****************************************************/
+static inline int get_tail( int m )
+{
+  return ((dt3155_fbuffer[ m ]->ready_head -
+	   dt3155_fbuffer[ m ]->ready_len +
+	   dt3155_fbuffer[ m ]->nbuffers)%
+	  (dt3155_fbuffer[ m ]->nbuffers));
+}
+
+
+
+/*****************************************************
+ * pop_ready()
+ * m is minor # of device
+ *
+ * This assumes that there is a ready buffer ready... should
+ * be checked (e.g. with is_ready_buf_empty()  prior to call.
+ *****************************************************/
+inline int pop_ready( int m )
+{
+  int tail;
+  tail = get_tail(m);
+  dt3155_fbuffer[ m ]->ready_len--;
+  return dt3155_fbuffer[ m ]->ready_que[ tail ];
+}
+
+
+/*****************************************************
+ * printques
+ * m is minor # of device
+ *****************************************************/
+inline void printques( int m )
+{
+  int head = dt3155_fbuffer[ m ]->ready_head;
+  int tail;
+  int num = dt3155_fbuffer[ m ]->nbuffers;
+  int frame_index;
+  int index;
+
+  tail = get_tail(m);
+
+  printk("\n R:");
+  for ( index = tail; index != head; index++, index = index % (num) )
+    {
+      frame_index = dt3155_fbuffer[ m ]->ready_que[ index ];
+      printk(" %d ", frame_index );
+    }
+
+  printk("\n E:");
+  for ( index = 0; index < dt3155_fbuffer[ m ]->empty_len; index++ )
+    {
+      frame_index = dt3155_fbuffer[ m ]->empty_buffers[ index ];
+      printk(" %d ", frame_index );
+    }
+
+  frame_index = dt3155_fbuffer[ m ]->active_buf;
+  printk("\n A: %d", frame_index);
+
+  frame_index = dt3155_fbuffer[ m ]->locked_buf;
+  printk("\n L: %d \n", frame_index );
+
+}
+
+/*****************************************************
+ * adjust_4MB
+ *
+ *  If a buffer intersects the 4MB boundary, push
+ *  the start address up to the beginning of the
+ *  next 4MB chunk (assuming bufsize < 4MB).
+ *****************************************************/
+u32 adjust_4MB (u32 buf_addr, u32 bufsize) {
+  if (((buf_addr+bufsize) & UPPER_10_BITS) != (buf_addr & UPPER_10_BITS))
+    return (buf_addr+bufsize) & UPPER_10_BITS;
+  else
+    return buf_addr;
+}
+
+
+/*****************************************************
+ * allocate_buffers
+ *
+ *  Try to allocate enough memory for all requested
+ *  buffers.  If there is not enough free space
+ *  try for less memory.
+ *****************************************************/
+void allocate_buffers (u32 *buf_addr, u32* total_size_kbs,
+		       u32 bufsize)
+{
+  /* Compute the minimum amount of memory guaranteed to hold all
+     MAXBUFFERS such that no buffer crosses the 4MB boundary.
+     Store this value in the variable "full_size" */
+
+  u32 allocator_max;
+  u32 bufs_per_chunk = (FOUR_MB / bufsize);
+  u32 filled_chunks = (MAXBUFFERS-1) / bufs_per_chunk;
+  u32 leftover_bufs = MAXBUFFERS - filled_chunks * bufs_per_chunk;
+
+  u32 full_size = bufsize      /* possibly unusable part of 1st chunk */
+    + filled_chunks * FOUR_MB   /* max # of completely filled 4mb chunks */
+    + leftover_bufs * bufsize;  /* these buffs will be in a partly filled
+				   chunk at beginning or end */
+
+  u32 full_size_kbs = 1 + (full_size-1) / 1024;
+  u32 min_size_kbs = 2*ndevices*bufsize / 1024;
+  u32 size_kbs;
+
+  /* Now, try to allocate full_size.  If this fails, keep trying for
+     less & less memory until it succeeds. */
+#ifndef STANDALONE_ALLOCATOR
+  /* initialize the allocator            */
+  allocator_init(&allocator_max);
+#endif
+  size_kbs = full_size_kbs;
+  *buf_addr = 0;
+  printk("DT3155: We would like to get: %d KB\n", full_size_kbs);
+  printk("DT3155: ...but need at least: %d KB\n", min_size_kbs);
+  printk("DT3155: ...the allocator has: %d KB\n", allocator_max);
+  size_kbs = (full_size_kbs <= allocator_max ? full_size_kbs : allocator_max);
+  if (size_kbs > min_size_kbs) {
+    if ((*buf_addr = allocator_allocate_dma (size_kbs, GFP_KERNEL)) != 0) {
+      printk("DT3155:  Managed to allocate: %d KB\n", size_kbs);
+      *total_size_kbs = size_kbs;
+      return;
+    }
+  }
+  /* If we got here, the allocation failed */
+  printk ("DT3155: Allocator failed!\n");
+  *buf_addr = 0;
+  *total_size_kbs = 0;
+  return;
+
+}
+
+
+/*****************************************************
+ * dt3155_setup_buffers
+ *
+ *  setup_buffers just puts the buffering system into
+ *  a consistent state before the start of interrupts
+ *
+ * JML : it looks like all the buffers need to be
+ * continuous. So I'm going to try and allocate one
+ * continuous buffer.
+ *
+ * GCS : Fix DMA problems when buffer spans
+ * 4MB boundary.  Also, add error checking.  This
+ * function will return -ENOMEM when not enough memory.
+ *****************************************************/
+u32 dt3155_setup_buffers(u32 *allocatorAddr)
+
+{
+  u32 index;
+  u32 rambuff_addr; /* start of allocation */
+  u32 rambuff_size; /* total size allocated to driver */
+  u32 rambuff_acm;  /* accumlator, keep track of how much
+			  is left after being split up*/
+  u32 rambuff_end;  /* end of rambuff */
+  u32 numbufs;      /* number of useful buffers allocated (per device) */
+  u32 bufsize      = DT3155_MAX_ROWS * DT3155_MAX_COLS;
+  int m;               /* minor # of device, looped for all devs */
+
+  /* zero the fbuffer status and address structure */
+  for ( m = 0; m < ndevices; m++)
+    {
+      dt3155_fbuffer[ m ] = &(dt3155_status[ m ].fbuffer);
+
+      /* Make sure the buffering variables are consistent */
+      {
+	u8 *ptr = (u8 *) dt3155_fbuffer[ m ];
+	for( index = 0; index < sizeof(struct dt3155_fbuffer_s); index++)
+	  *(ptr++)=0;
+      }
+    }
+
+  /* allocate a large contiguous chunk of RAM */
+  allocate_buffers (&rambuff_addr, &rambuff_size, bufsize);
+  printk("DT3155: mem info\n");
+  printk("  - rambuf_addr = 0x%x \n", rambuff_addr);
+  printk("  - length (kb) = %u \n", rambuff_size);
+  if( rambuff_addr == 0 )
+    {
+      printk( KERN_INFO
+	      "DT3155: Error setup_buffers() allocator dma failed \n" );
+      return -ENOMEM;
+    }
+  *allocatorAddr = rambuff_addr;
+  rambuff_end = rambuff_addr + 1024 * rambuff_size;
+
+  /* after allocation, we need to count how many useful buffers there
+     are so we can give an equal number to each device */
+  rambuff_acm = rambuff_addr;
+  for ( index = 0; index < MAXBUFFERS; index++) {
+    rambuff_acm = adjust_4MB (rambuff_acm, bufsize);/*avoid spanning 4MB bdry*/
+    if (rambuff_acm + bufsize > rambuff_end)
+      break;
+    rambuff_acm += bufsize;
+  }
+  /* Following line is OK, will waste buffers if index
+   * not evenly divisible by ndevices -NJC*/
+  numbufs = index / ndevices;
+  printk("  - numbufs = %u\n", numbufs);
+  if (numbufs < 2) {
+    printk( KERN_INFO
+	    "DT3155: Error setup_buffers() couldn't allocate 2 bufs/board\n" );
+    return -ENOMEM;
+  }
+
+  /* now that we have board memory we spit it up */
+  /* between the boards and the buffers          */
+  rambuff_acm = rambuff_addr;
+  for ( m = 0; m < ndevices; m ++)
+    {
+      rambuff_acm = adjust_4MB (rambuff_acm, bufsize);
+
+      /* Save the start of this boards buffer space (for mmap).  */
+      dt3155_status[ m ].mem_addr = rambuff_acm;
+
+      for (index = 0; index < numbufs; index++)
+	{
+	  rambuff_acm = adjust_4MB (rambuff_acm, bufsize);
+	  if (rambuff_acm + bufsize > rambuff_end) {
+	    /* Should never happen */
+	    printk ("DT3155 PROGRAM ERROR (GCS)\n"
+		    "Error distributing allocated buffers\n");
+	    return -ENOMEM;
+	  }
+
+	  dt3155_fbuffer[ m ]->frame_info[ index ].addr = rambuff_acm;
+	  push_empty( index, m );
+	  /* printk("  - Buffer : %lx\n",
+	   * dt3155_fbuffer[ m ]->frame_info[ index ].addr );
+	   */
+	  dt3155_fbuffer[ m ]->nbuffers += 1;
+	  rambuff_acm += bufsize;
+	}
+
+      /* Make sure there is an active buffer there. */
+      dt3155_fbuffer[ m ]->active_buf    = pop_empty( m );
+      dt3155_fbuffer[ m ]->even_happened = 0;
+      dt3155_fbuffer[ m ]->even_stopped  = 0;
+
+      /* make sure there is no locked_buf JML 2/28/00 */
+      dt3155_fbuffer[ m ]->locked_buf = -1;
+
+      dt3155_status[ m ].mem_size =
+	rambuff_acm - dt3155_status[ m ].mem_addr;
+
+      /* setup the ready queue */
+      dt3155_fbuffer[ m ]->ready_head = 0;
+      dt3155_fbuffer[ m ]->ready_len = 0;
+      printk("Available buffers for device %d: %d\n",
+	     m, dt3155_fbuffer[ m ]->nbuffers);
+    }
+
+  return 1;
+}
+
+/*****************************************************
+ * internal_release_locked_buffer
+ *
+ * The internal function for releasing a locked buffer.
+ * It assumes interrupts are turned off.
+ *
+ * m is minor number of device
+ *****************************************************/
+static inline void internal_release_locked_buffer( int m )
+{
+  /* Pointer into global structure for handling buffers */
+  if ( dt3155_fbuffer[ m ]->locked_buf >= 0 )
+    {
+      push_empty( dt3155_fbuffer[ m ]->locked_buf, m );
+      dt3155_fbuffer[ m ]->locked_buf = -1;
+    }
+}
+
+
+/*****************************************************
+ * dt3155_release_locked_buffer()
+ * m is minor # of device
+ *
+ * The user function of the above.
+ *
+ *****************************************************/
+inline void dt3155_release_locked_buffer( int m )
+{
+	unsigned long int flags;
+	local_save_flags(flags);
+	local_irq_disable();
+	internal_release_locked_buffer(m);
+	local_irq_restore(flags);
+}
+
+
+/*****************************************************
+ * dt3155_flush()
+ * m is minor # of device
+ *
+ *****************************************************/
+inline int dt3155_flush( int m )
+{
+  int index;
+  unsigned long int flags;
+  local_save_flags(flags);
+  local_irq_disable();
+
+  internal_release_locked_buffer( m );
+  dt3155_fbuffer[ m ]->empty_len = 0;
+
+  for ( index = 0; index < dt3155_fbuffer[ m ]->nbuffers; index++ )
+    push_empty( index,  m );
+
+  /* Make sure there is an active buffer there. */
+  dt3155_fbuffer[ m ]->active_buf = pop_empty( m );
+
+  dt3155_fbuffer[ m ]->even_happened = 0;
+  dt3155_fbuffer[ m ]->even_stopped  = 0;
+
+  /* setup the ready queue  */
+  dt3155_fbuffer[ m ]->ready_head = 0;
+  dt3155_fbuffer[ m ]->ready_len = 0;
+
+  local_irq_restore(flags);
+
+  return 0;
+}
+
+/*****************************************************
+ * dt3155_get_ready_buffer()
+ * m is minor # of device
+ *
+ * get_ready_buffer will grab the next chunk of data
+ * if it is already there, otherwise it returns 0.
+ * If the user has a buffer locked it will unlock
+ * that buffer before returning the new one.
+ *****************************************************/
+inline int dt3155_get_ready_buffer( int m )
+{
+  int frame_index;
+  unsigned long int flags;
+  local_save_flags(flags);
+  local_irq_disable();
+
+#ifdef DEBUG_QUES_A
+  printques( m );
+#endif
+
+  internal_release_locked_buffer( m );
+
+  if (is_ready_buf_empty( m ))
+    frame_index = -1;
+  else
+    {
+      frame_index = pop_ready( m );
+      dt3155_fbuffer[ m ]->locked_buf = frame_index;
+    }
+
+#ifdef DEBUG_QUES_B
+  printques( m );
+#endif
+
+  local_irq_restore(flags);
+
+  return frame_index;
+}
diff --git a/drivers/staging/dt3155/dt3155_isr.h b/drivers/staging/dt3155/dt3155_isr.h
new file mode 100644
index 000000000000..7595cb16c988
--- /dev/null
+++ b/drivers/staging/dt3155/dt3155_isr.h
@@ -0,0 +1,77 @@
+/*
+
+Copyright 1996,2002 Gregory D. Hager, Alfred A. Rizzi, Noah J. Cowan,
+		    Jason Lapenta, Scott Smedley
+
+This file is part of the DT3155 Device Driver.
+
+The DT3155 Device Driver is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The DT3155 Device Driver is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty
+of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the DT3155 Device Driver; if not, write to the Free
+Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+MA 02111-1307 USA
+
+
+-- Changes --
+
+  Date     Programmer   Description of changes made
+  -------------------------------------------------------------------
+  03-Jul-2000 JML       n/a
+  24-Jul-2002 SS        GPL licence.
+  26-Oct-2009 SS	Porting to 2.6.30 kernel.
+
+-- notes --
+
+*/
+
+#ifndef DT3155_ISR_H
+#define DT3155_ISR_H
+
+extern struct dt3155_fbuffer_s *dt3155_fbuffer[MAXBOARDS];
+
+/* User functions for buffering */
+/* Initialize the buffering system.  This should */
+/* be called prior to enabling interrupts */
+
+u32 dt3155_setup_buffers(u32 *allocatorAddr);
+
+/* Get the next frame of data if it is ready.  Returns */
+/* zero if no data is ready.  If there is data but */
+/* the user has a locked buffer, it will unlock that */
+/* buffer and return it to the free list. */
+
+int dt3155_get_ready_buffer(int minor);
+
+/* Return a locked buffer to the free list */
+
+void dt3155_release_locked_buffer(int minor);
+
+/* Flush the buffer system */
+int dt3155_flush(int minor);
+
+/**********************************
+ * Simple array based que struct
+ **********************************/
+
+bool are_empty_buffers(int minor);
+void push_empty(int index, int minor);
+
+int  pop_empty(int minor);
+
+bool is_ready_buf_empty(int minor);
+bool is_ready_buf_full(int minor);
+
+void push_ready(int minor, int index);
+int  pop_ready(int minor);
+
+
+#endif
diff --git a/drivers/staging/et131x/et1310_address_map.h b/drivers/staging/et131x/et1310_address_map.h
index e715e4dcb523..ea746ba41faf 100644
--- a/drivers/staging/et131x/et1310_address_map.h
+++ b/drivers/staging/et131x/et1310_address_map.h
@@ -149,7 +149,7 @@
  * GLOBAL Module of JAGCore Address Mapping
  * Located at address 0x0000
  */
-typedef struct _GLOBAL_t {			/* Location: */
+struct global_regs {			/* Location: */
 	u32 txq_start_addr;			/*  0x0000 */
 	u32 txq_end_addr;			/*  0x0004 */
 	u32 rxq_start_addr;			/*  0x0008 */
@@ -165,9 +165,7 @@ typedef struct _GLOBAL_t {			/* Location: */
 	u32 msi_config;				/*  0x0030 */
 	u32 loopback;			/*  0x0034 */
 	u32 watchdog_timer;			/*  0x0038 */
-} GLOBAL_t, *PGLOBAL_t;
-
-/* END OF GLOBAL REGISTER ADDRESS MAP */
+};
 
 
 /* START OF TXDMA REGISTER ADDRESS MAP */
@@ -255,7 +253,7 @@ extern inline void add_12bit(u32 *v, int n)
  * Tx DMA Module of JAGCore Address Mapping
  * Located at address 0x1000
  */
-typedef struct _TXDMA_t {		/* Location: */
+struct txdma_regs {			/* Location: */
 	u32 csr;			/*  0x1000 */
 	u32 pr_base_hi;			/*  0x1004 */
 	u32 pr_base_lo;			/*  0x1008 */
@@ -282,7 +280,7 @@ typedef struct _TXDMA_t {		/* Location: */
 	u32 DroppedTLPCount;		/*  0x105c */
 	u32 NewServiceComplete;		/*  0x1060 */
 	u32 EthernetPacketCount;	/*  0x1064 */
-} TXDMA_t, *PTXDMA_t;
+};
 
 /* END OF TXDMA REGISTER ADDRESS MAP */
 
@@ -292,45 +290,25 @@ typedef struct _TXDMA_t {		/* Location: */
 /*
  * structure for control status reg in rxdma address map
  * Located at address 0x2000
+ *
+ * CSR
+ * 0: halt
+ * 1-3: tc
+ * 4: fbr_big_endian
+ * 5: psr_big_endian
+ * 6: pkt_big_endian
+ * 7: dma_big_endian
+ * 8-9: fbr0_size
+ * 10: fbr0_enable
+ * 11-12: fbr1_size
+ * 13: fbr1_enable
+ * 14: unused
+ * 15: pkt_drop_disable
+ * 16: pkt_done_flush
+ * 17: halt_status
+ * 18-31: unused
  */
-typedef union _RXDMA_CSR_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 unused2:14;		/* bits 18-31 */
-		u32 halt_status:1;	/* bit 17 */
-		u32 pkt_done_flush:1;	/* bit 16 */
-		u32 pkt_drop_disable:1;	/* bit 15 */
-		u32 unused1:1;		/* bit 14 */
-		u32 fbr1_enable:1;	/* bit 13 */
-		u32 fbr1_size:2;	/* bits 11-12 */
-		u32 fbr0_enable:1;	/* bit 10 */
-		u32 fbr0_size:2;	/* bits 8-9 */
-		u32 dma_big_endian:1;	/* bit 7 */
-		u32 pkt_big_endian:1;	/* bit 6 */
-		u32 psr_big_endian:1;	/* bit 5 */
-		u32 fbr_big_endian:1;	/* bit 4 */
-		u32 tc:3;		/* bits 1-3 */
-		u32 halt:1;		/* bit 0 */
-#else
-		u32 halt:1;		/* bit 0 */
-		u32 tc:3;		/* bits 1-3 */
-		u32 fbr_big_endian:1;	/* bit 4 */
-		u32 psr_big_endian:1;	/* bit 5 */
-		u32 pkt_big_endian:1;	/* bit 6 */
-		u32 dma_big_endian:1;	/* bit 7 */
-		u32 fbr0_size:2;	/* bits 8-9 */
-		u32 fbr0_enable:1;	/* bit 10 */
-		u32 fbr1_size:2;	/* bits 11-12 */
-		u32 fbr1_enable:1;	/* bit 13 */
-		u32 unused1:1;		/* bit 14 */
-		u32 pkt_drop_disable:1;	/* bit 15 */
-		u32 pkt_done_flush:1;	/* bit 16 */
-		u32 halt_status:1;	/* bit 17 */
-		u32 unused2:14;		/* bits 18-31 */
-#endif
-	} bits;
-} RXDMA_CSR_t, *PRXDMA_CSR_t;
+
 
 /*
  * structure for dma writeback lo reg in rxdma address map
@@ -451,18 +429,6 @@ typedef union _RXDMA_CSR_t {
  * 31-10: unused
  * 9-0: fbr ndesc
  */
-typedef union _RXDMA_FBR_NUM_DES_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 unused:22;		/* bits 10-31 */
-		u32 fbr_ndesc:10;	/* bits 0-9 */
-#else
-		u32 fbr_ndesc:10;	/* bits 0-9 */
-		u32 unused:22;		/* bits 10-31 */
-#endif
-	} bits;
-} RXDMA_FBR_NUM_DES_t, *PRXDMA_FBR_NUM_DES_t;
 
 /*
  * structure for free buffer ring 0 available offset reg in rxdma address map
@@ -532,8 +498,8 @@ typedef union _RXDMA_FBR_NUM_DES_t {
  * Rx DMA Module of JAGCore Address Mapping
  * Located at address 0x2000
  */
-typedef struct _RXDMA_t {				/* Location: */
-	RXDMA_CSR_t csr;				/*  0x2000 */
+struct rxdma_regs {					/* Location: */
+	u32 csr;					/*  0x2000 */
 	u32 dma_wb_base_lo;				/*  0x2004 */
 	u32 dma_wb_base_hi;				/*  0x2008 */
 	u32 num_pkt_done;				/*  0x200C */
@@ -562,7 +528,7 @@ typedef struct _RXDMA_t {				/* Location: */
 	u32 fbr1_full_offset;				/*  0x2068 */
 	u32 fbr1_rd_index;				/*  0x206C */
 	u32 fbr1_min_des;				/*  0x2070 */
-} RXDMA_t, *PRXDMA_t;
+};
 
 /* END OF RXDMA REGISTER ADDRESS MAP */
 
@@ -572,33 +538,18 @@ typedef struct _RXDMA_t {				/* Location: */
 /*
  * structure for control reg in txmac address map
  * located at address 0x3000
+ *
+ * bits
+ * 31-8: unused
+ * 7: cklseg_disable
+ * 6: ckbcnt_disable
+ * 5: cksegnum
+ * 4: async_disable
+ * 3: fc_disable
+ * 2: mcif_disable
+ * 1: mif_disable
+ * 0: txmac_en
  */
-typedef union _TXMAC_CTL_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 unused:24;		/* bits 8-31 */
-		u32 cklseg_diable:1;	/* bit 7 */
-		u32 ckbcnt_disable:1;	/* bit 6 */
-		u32 cksegnum:1;		/* bit 5 */
-		u32 async_disable:1;	/* bit 4 */
-		u32 fc_disable:1;	/* bit 3 */
-		u32 mcif_disable:1;	/* bit 2 */
-		u32 mif_disable:1;	/* bit 1 */
-		u32 txmac_en:1;		/* bit 0 */
-#else
-		u32 txmac_en:1;		/* bit 0 */
-		u32 mif_disable:1;	/* bit 1 mac interface */
-		u32 mcif_disable:1;	/* bit 2 mem. contr. interface */
-		u32 fc_disable:1;	/* bit 3 */
-		u32 async_disable:1;	/* bit 4 */
-		u32 cksegnum:1;		/* bit 5 */
-		u32 ckbcnt_disable:1;	/* bit 6 */
-		u32 cklseg_diable:1;	/* bit 7 */
-		u32 unused:24;		/* bits 8-31 */
-#endif
-	} bits;
-} TXMAC_CTL_t, *PTXMAC_CTL_t;
 
 /*
  * structure for shadow pointer reg in txmac address map
@@ -612,23 +563,12 @@ typedef union _TXMAC_CTL_t {
 /*
  * structure for error count reg in txmac address map
  * located at address 0x3008
+ *
+ * 31-12: unused
+ * 11-8: reserved
+ * 7-4: txq_underrun
+ * 3-0: fifo_underrun
  */
-typedef union _TXMAC_ERR_CNT_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 unused:20;		/* bits 12-31 */
-		u32 reserved:4;		/* bits 8-11 */
-		u32 txq_underrun:4;	/* bits 4-7 */
-		u32 fifo_underrun:4;	/* bits 0-3 */
-#else
-		u32 fifo_underrun:4;	/* bits 0-3 */
-		u32 txq_underrun:4;	/* bits 4-7 */
-		u32 reserved:4;		/* bits 8-11 */
-		u32 unused:20;		/* bits 12-31 */
-#endif
-	} bits;
-} TXMAC_ERR_CNT_t, *PTXMAC_ERR_CNT_t;
 
 /*
  * structure for max fill reg in txmac address map
@@ -657,64 +597,32 @@ typedef union _TXMAC_ERR_CNT_t {
 /*
  * structure for error reg in txmac address map
  * located at address 0x3018
+ *
+ * 31-9: unused
+ * 8: fifo_underrun
+ * 7-6: unused
+ * 5: ctrl2_err
+ * 4: txq_underrun
+ * 3: bcnt_err
+ * 2: lseg_err
+ * 1: segnum_err
+ * 0: seg0_err
  */
-typedef union _TXMAC_ERR_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 unused2:23;		/* bits 9-31 */
-		u32 fifo_underrun:1;	/* bit 8 */
-		u32 unused1:2;		/* bits 6-7 */
-		u32 ctrl2_err:1;	/* bit 5 */
-		u32 txq_underrun:1;	/* bit 4 */
-		u32 bcnt_err:1;		/* bit 3 */
-		u32 lseg_err:1;		/* bit 2 */
-		u32 segnum_err:1;	/* bit 1 */
-		u32 seg0_err:1;		/* bit 0 */
-#else
-		u32 seg0_err:1;		/* bit 0 */
-		u32 segnum_err:1;	/* bit 1 */
-		u32 lseg_err:1;		/* bit 2 */
-		u32 bcnt_err:1;		/* bit 3 */
-		u32 txq_underrun:1;	/* bit 4 */
-		u32 ctrl2_err:1;	/* bit 5 */
-		u32 unused1:2;		/* bits 6-7 */
-		u32 fifo_underrun:1;	/* bit 8 */
-		u32 unused2:23;		/* bits 9-31 */
-#endif
-	} bits;
-} TXMAC_ERR_t, *PTXMAC_ERR_t;
 
 /*
  * structure for error interrupt reg in txmac address map
  * located at address 0x301C
+ *
+ * 31-9: unused
+ * 8: fifo_underrun
+ * 7-6: unused
+ * 5: ctrl2_err
+ * 4: txq_underrun
+ * 3: bcnt_err
+ * 2: lseg_err
+ * 1: segnum_err
+ * 0: seg0_err
  */
-typedef union _TXMAC_ERR_INT_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 unused2:23;		/* bits 9-31 */
-		u32 fifo_underrun:1;	/* bit 8 */
-		u32 unused1:2;		/* bits 6-7 */
-		u32 ctrl2_err:1;	/* bit 5 */
-		u32 txq_underrun:1;	/* bit 4 */
-		u32 bcnt_err:1;		/* bit 3 */
-		u32 lseg_err:1;		/* bit 2 */
-		u32 segnum_err:1;	/* bit 1 */
-		u32 seg0_err:1;		/* bit 0 */
-#else
-		u32 seg0_err:1;		/* bit 0 */
-		u32 segnum_err:1;	/* bit 1 */
-		u32 lseg_err:1;		/* bit 2 */
-		u32 bcnt_err:1;		/* bit 3 */
-		u32 txq_underrun:1;	/* bit 4 */
-		u32 ctrl2_err:1;	/* bit 5 */
-		u32 unused1:2;		/* bits 6-7 */
-		u32 fifo_underrun:1;	/* bit 8 */
-		u32 unused2:23;		/* bits 9-31 */
-#endif
-	} bits;
-} TXMAC_ERR_INT_t, *PTXMAC_ERR_INT_t;
 
 /*
  * structure for error interrupt reg in txmac address map
@@ -728,17 +636,17 @@ typedef union _TXMAC_ERR_INT_t {
 /*
  * Tx MAC Module of JAGCore Address Mapping
  */
-typedef struct _TXMAC_t {		/* Location: */
-	TXMAC_CTL_t ctl;		/*  0x3000 */
+struct txmac_regs {			/* Location: */
+	u32 ctl;			/*  0x3000 */
 	u32 shadow_ptr;			/*  0x3004 */
-	TXMAC_ERR_CNT_t err_cnt;	/*  0x3008 */
+	u32 err_cnt;			/*  0x3008 */
 	u32 max_fill;			/*  0x300C */
 	u32 cf_param;			/*  0x3010 */
 	u32 tx_test;			/*  0x3014 */
-	TXMAC_ERR_t err;		/*  0x3018 */
-	TXMAC_ERR_INT_t err_int;	/*  0x301C */
+	u32 err;			/*  0x3018 */
+	u32 err_int;			/*  0x301C */
 	u32 bp_ctrl;			/*  0x3020 */
-} TXMAC_t, *PTXMAC_t;
+};
 
 /* END OF TXMAC REGISTER ADDRESS MAP */
 
@@ -747,106 +655,47 @@ typedef struct _TXMAC_t {		/* Location: */
 /*
  * structure for rxmac control reg in rxmac address map
  * located at address 0x4000
+ *
+ * 31-7: reserved
+ * 6: rxmac_int_disable
+ * 5: async_disable
+ * 4: mif_disable
+ * 3: wol_disable
+ * 2: pkt_filter_disable
+ * 1: mcif_disable
+ * 0: rxmac_en
  */
-typedef union _RXMAC_CTRL_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 reserved:25;		/* bits 7-31 */
-		u32 rxmac_int_disable:1;	/* bit 6 */
-		u32 async_disable:1;		/* bit 5 */
-		u32 mif_disable:1;		/* bit 4 */
-		u32 wol_disable:1;		/* bit 3 */
-		u32 pkt_filter_disable:1;	/* bit 2 */
-		u32 mcif_disable:1;		/* bit 1 */
-		u32 rxmac_en:1;			/* bit 0 */
-#else
-		u32 rxmac_en:1;			/* bit 0 */
-		u32 mcif_disable:1;		/* bit 1 */
-		u32 pkt_filter_disable:1;	/* bit 2 */
-		u32 wol_disable:1;		/* bit 3 */
-		u32 mif_disable:1;		/* bit 4 */
-		u32 async_disable:1;		/* bit 5 */
-		u32 rxmac_int_disable:1;	/* bit 6 */
-		u32 reserved:25;		/* bits 7-31 */
-#endif
-	} bits;
-} RXMAC_CTRL_t, *PRXMAC_CTRL_t;
 
 /*
  * structure for Wake On Lan Control and CRC 0 reg in rxmac address map
  * located at address 0x4004
+ * 31-16: crc
+ * 15-12: reserved
+ * 11: ignore_pp
+ * 10: ignore_mp
+ * 9: clr_intr
+ * 8: ignore_link_chg
+ * 7: ignore_uni
+ * 6: ignore_multi
+ * 5: ignore_broad
+ * 4-0: valid_crc 4-0
  */
-typedef union _RXMAC_WOL_CTL_CRC0_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 crc0:16;		/* bits 16-31 */
-		u32 reserve:4;		/* bits 12-15 */
-		u32 ignore_pp:1;	/* bit 11 */
-		u32 ignore_mp:1;	/* bit 10 */
-		u32 clr_intr:1;		/* bit 9 */
-		u32 ignore_link_chg:1;	/* bit 8 */
-		u32 ignore_uni:1;	/* bit 7 */
-		u32 ignore_multi:1;	/* bit 6 */
-		u32 ignore_broad:1;	/* bit 5 */
-		u32 valid_crc4:1;	/* bit 4 */
-		u32 valid_crc3:1;	/* bit 3 */
-		u32 valid_crc2:1;	/* bit 2 */
-		u32 valid_crc1:1;	/* bit 1 */
-		u32 valid_crc0:1;	/* bit 0 */
-#else
-		u32 valid_crc0:1;	/* bit 0 */
-		u32 valid_crc1:1;	/* bit 1 */
-		u32 valid_crc2:1;	/* bit 2 */
-		u32 valid_crc3:1;	/* bit 3 */
-		u32 valid_crc4:1;	/* bit 4 */
-		u32 ignore_broad:1;	/* bit 5 */
-		u32 ignore_multi:1;	/* bit 6 */
-		u32 ignore_uni:1;	/* bit 7 */
-		u32 ignore_link_chg:1;	/* bit 8 */
-		u32 clr_intr:1;		/* bit 9 */
-		u32 ignore_mp:1;	/* bit 10 */
-		u32 ignore_pp:1;	/* bit 11 */
-		u32 reserve:4;		/* bits 12-15 */
-		u32 crc0:16;		/* bits 16-31 */
-#endif
-	} bits;
-} RXMAC_WOL_CTL_CRC0_t, *PRXMAC_WOL_CTL_CRC0_t;
 
 /*
  * structure for CRC 1 and CRC 2 reg in rxmac address map
  * located at address 0x4008
+ *
+ * 31-16: crc2
+ * 15-0: crc1
  */
-typedef union _RXMAC_WOL_CRC12_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 crc2:16;	/* bits 16-31 */
-		u32 crc1:16;	/* bits 0-15 */
-#else
-		u32 crc1:16;	/* bits 0-15 */
-		u32 crc2:16;	/* bits 16-31 */
-#endif
-	} bits;
-} RXMAC_WOL_CRC12_t, *PRXMAC_WOL_CRC12_t;
 
 /*
  * structure for CRC 3 and CRC 4 reg in rxmac address map
  * located at address 0x400C
+ *
+ * 31-16: crc4
+ * 15-0: crc3
  */
-typedef union _RXMAC_WOL_CRC34_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 crc4:16;	/* bits 16-31 */
-		u32 crc3:16;	/* bits 0-15 */
-#else
-		u32 crc3:16;	/* bits 0-15 */
-		u32 crc4:16;	/* bits 16-31 */
-#endif
-	} bits;
-} RXMAC_WOL_CRC34_t, *PRXMAC_WOL_CRC34_t;
 
 /*
  * structure for Wake On Lan Source Address Lo reg in rxmac address map
@@ -966,164 +815,84 @@ typedef union _RXMAC_UNI_PF_ADDR3_t {
 /*
  * structure for Packet Filter Control reg in rxmac address map
  * located at address 0x4084
+ *
+ * 31-23: unused
+ * 22-16: min_pkt_size
+ * 15-4: unused
+ * 3: filter_frag_en
+ * 2: filter_uni_en
+ * 1: filter_multi_en
+ * 0: filter_broad_en
  */
-typedef union _RXMAC_PF_CTRL_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 unused2:9;		/* bits 23-31 */
-		u32 min_pkt_size:7;	/* bits 16-22 */
-		u32 unused1:12;		/* bits 4-15 */
-		u32 filter_frag_en:1;	/* bit 3 */
-		u32 filter_uni_en:1;	/* bit 2 */
-		u32 filter_multi_en:1;	/* bit 1 */
-		u32 filter_broad_en:1;	/* bit 0 */
-#else
-		u32 filter_broad_en:1;	/* bit 0 */
-		u32 filter_multi_en:1;	/* bit 1 */
-		u32 filter_uni_en:1;	/* bit 2 */
-		u32 filter_frag_en:1;	/* bit 3 */
-		u32 unused1:12;		/* bits 4-15 */
-		u32 min_pkt_size:7;	/* bits 16-22 */
-		u32 unused2:9;		/* bits 23-31 */
-#endif
-	} bits;
-} RXMAC_PF_CTRL_t, *PRXMAC_PF_CTRL_t;
 
 /*
  * structure for Memory Controller Interface Control Max Segment reg in rxmac
  * address map.  Located at address 0x4088
+ *
+ * 31-10: reserved
+ * 9-2: max_size
+ * 1: fc_en
+ * 0: seg_en
  */
-typedef union _RXMAC_MCIF_CTRL_MAX_SEG_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 reserved:22;	/* bits 10-31 */
-		u32 max_size:8;	/* bits 2-9 */
-		u32 fc_en:1;	/* bit 1 */
-		u32 seg_en:1;	/* bit 0 */
-#else
-		u32 seg_en:1;	/* bit 0 */
-		u32 fc_en:1;	/* bit 1 */
-		u32 max_size:8;	/* bits 2-9 */
-		u32 reserved:22;	/* bits 10-31 */
-#endif
-	} bits;
-} RXMAC_MCIF_CTRL_MAX_SEG_t, *PRXMAC_MCIF_CTRL_MAX_SEG_t;
 
 /*
  * structure for Memory Controller Interface Water Mark reg in rxmac address
  * map.  Located at address 0x408C
+ *
+ * 31-26: unused
+ * 25-16: mark_hi
+ * 15-10: unused
+ * 9-0: mark_lo
  */
-typedef union _RXMAC_MCIF_WATER_MARK_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 reserved2:6;	/* bits 26-31 */
-		u32 mark_hi:10;	/* bits 16-25 */
-		u32 reserved1:6;	/* bits 10-15 */
-		u32 mark_lo:10;	/* bits 0-9 */
-#else
-		u32 mark_lo:10;	/* bits 0-9 */
-		u32 reserved1:6;	/* bits 10-15 */
-		u32 mark_hi:10;	/* bits 16-25 */
-		u32 reserved2:6;	/* bits 26-31 */
-#endif
-	} bits;
-} RXMAC_MCIF_WATER_MARK_t, *PRXMAC_MCIF_WATER_MARK_t;
 
 /*
  * structure for Rx Queue Dialog reg in rxmac address map.
  * located at address 0x4090
+ *
+ * 31-26: reserved
+ * 25-16: rd_ptr
+ * 15-10: reserved
+ * 9-0: wr_ptr
  */
-typedef union _RXMAC_RXQ_DIAG_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 reserved2:6;	/* bits 26-31 */
-		u32 rd_ptr:10;	/* bits 16-25 */
-		u32 reserved1:6;	/* bits 10-15 */
-		u32 wr_ptr:10;	/* bits 0-9 */
-#else
-		u32 wr_ptr:10;	/* bits 0-9 */
-		u32 reserved1:6;	/* bits 10-15 */
-		u32 rd_ptr:10;	/* bits 16-25 */
-		u32 reserved2:6;	/* bits 26-31 */
-#endif
-	} bits;
-} RXMAC_RXQ_DIAG_t, *PRXMAC_RXQ_DIAG_t;
 
 /*
  * structure for space availiable reg in rxmac address map.
  * located at address 0x4094
+ *
+ * 31-17: reserved
+ * 16: space_avail_en
+ * 15-10: reserved
+ * 9-0: space_avail
  */
-typedef union _RXMAC_SPACE_AVAIL_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 reserved2:15;		/* bits 17-31 */
-		u32 space_avail_en:1;	/* bit 16 */
-		u32 reserved1:6;		/* bits 10-15 */
-		u32 space_avail:10;	/* bits 0-9 */
-#else
-		u32 space_avail:10;	/* bits 0-9 */
-		u32 reserved1:6;		/* bits 10-15 */
-		u32 space_avail_en:1;	/* bit 16 */
-		u32 reserved2:15;		/* bits 17-31 */
-#endif
-	} bits;
-} RXMAC_SPACE_AVAIL_t, *PRXMAC_SPACE_AVAIL_t;
 
 /*
  * structure for management interface reg in rxmac address map.
  * located at address 0x4098
+ *
+ * 31-18: reserved
+ * 17: drop_pkt_en
+ * 16-0: drop_pkt_mask
  */
-typedef union _RXMAC_MIF_CTL_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 reserve:14;		/* bits 18-31 */
-		u32 drop_pkt_en:1;		/* bit 17 */
-		u32 drop_pkt_mask:17;	/* bits 0-16 */
-#else
-		u32 drop_pkt_mask:17;	/* bits 0-16 */
-		u32 drop_pkt_en:1;		/* bit 17 */
-		u32 reserve:14;		/* bits 18-31 */
-#endif
-	} bits;
-} RXMAC_MIF_CTL_t, *PRXMAC_MIF_CTL_t;
 
 /*
  * structure for Error reg in rxmac address map.
  * located at address 0x409C
+ *
+ * 31-4: unused
+ * 3: mif
+ * 2: async
+ * 1: pkt_filter
+ * 0: mcif
  */
-typedef union _RXMAC_ERROR_REG_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 reserve:28;	/* bits 4-31 */
-		u32 mif:1;		/* bit 3 */
-		u32 async:1;	/* bit 2 */
-		u32 pkt_filter:1;	/* bit 1 */
-		u32 mcif:1;	/* bit 0 */
-#else
-		u32 mcif:1;	/* bit 0 */
-		u32 pkt_filter:1;	/* bit 1 */
-		u32 async:1;	/* bit 2 */
-		u32 mif:1;		/* bit 3 */
-		u32 reserve:28;	/* bits 4-31 */
-#endif
-	} bits;
-} RXMAC_ERROR_REG_t, *PRXMAC_ERROR_REG_t;
 
 /*
  * Rx MAC Module of JAGCore Address Mapping
  */
 typedef struct _RXMAC_t {				/* Location: */
-	RXMAC_CTRL_t ctrl;				/*  0x4000 */
-	RXMAC_WOL_CTL_CRC0_t crc0;			/*  0x4004 */
-	RXMAC_WOL_CRC12_t crc12;			/*  0x4008 */
-	RXMAC_WOL_CRC34_t crc34;			/*  0x400C */
+	u32 ctrl;					/*  0x4000 */
+	u32 crc0;					/*  0x4004 */
+	u32 crc12;					/*  0x4008 */
+	u32 crc34;					/*  0x400C */
 	RXMAC_WOL_SA_LO_t sa_lo;			/*  0x4010 */
 	RXMAC_WOL_SA_HI_t sa_hi;			/*  0x4014 */
 	u32 mask0_word0;				/*  0x4018 */
@@ -1153,17 +922,17 @@ typedef struct _RXMAC_t {				/* Location: */
 	u32 multi_hash2;				/*  0x4078 */
 	u32 multi_hash3;				/*  0x407C */
 	u32 multi_hash4;				/*  0x4080 */
-	RXMAC_PF_CTRL_t pf_ctrl;			/*  0x4084 */
-	RXMAC_MCIF_CTRL_MAX_SEG_t mcif_ctrl_max_seg;	/*  0x4088 */
-	RXMAC_MCIF_WATER_MARK_t mcif_water_mark;	/*  0x408C */
-	RXMAC_RXQ_DIAG_t rxq_diag;			/*  0x4090 */
-	RXMAC_SPACE_AVAIL_t space_avail;		/*  0x4094 */
-
-	RXMAC_MIF_CTL_t mif_ctrl;			/*  0x4098 */
-	RXMAC_ERROR_REG_t err_reg;			/*  0x409C */
+	u32 pf_ctrl;					/*  0x4084 */
+	u32 mcif_ctrl_max_seg;				/*  0x4088 */
+	u32 mcif_water_mark;				/*  0x408C */
+	u32 rxq_diag;					/*  0x4090 */
+	u32 space_avail;				/*  0x4094 */
+
+	u32 mif_ctrl;					/*  0x4098 */
+	u32 err_reg;					/*  0x409C */
 } RXMAC_t, *PRXMAC_t;
 
-/* END OF TXMAC REGISTER ADDRESS MAP */
+/* END OF RXMAC REGISTER ADDRESS MAP */
 
 
 /* START OF MAC REGISTER ADDRESS MAP */
@@ -1337,37 +1106,19 @@ typedef struct _RXMAC_t {				/* Location: */
 /*
  * structure for Interface Status reg in mac address map.
  * located at address 0x503C
+ *
+ * 31-10: reserved
+ * 9: excess_defer
+ * 8: clash
+ * 7: phy_jabber
+ * 6: phy_link_ok
+ * 5: phy_full_duplex
+ * 4: phy_speed
+ * 3: pe100x_link_fail
+ * 2: pe10t_loss_carrier
+ * 1: pe10t_sqe_error
+ * 0: pe10t_jabber
  */
-typedef union _MAC_IF_STAT_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 reserved:22;		/* bits 10-31 */
-		u32 excess_defer:1;	/* bit 9 */
-		u32 clash:1;		/* bit 8 */
-		u32 phy_jabber:1;		/* bit 7 */
-		u32 phy_link_ok:1;		/* bit 6 */
-		u32 phy_full_duplex:1;	/* bit 5 */
-		u32 phy_speed:1;		/* bit 4 */
-		u32 pe100x_link_fail:1;	/* bit 3 */
-		u32 pe10t_loss_carrie:1;	/* bit 2 */
-		u32 pe10t_sqe_error:1;	/* bit 1 */
-		u32 pe10t_jabber:1;	/* bit 0 */
-#else
-		u32 pe10t_jabber:1;	/* bit 0 */
-		u32 pe10t_sqe_error:1;	/* bit 1 */
-		u32 pe10t_loss_carrie:1;	/* bit 2 */
-		u32 pe100x_link_fail:1;	/* bit 3 */
-		u32 phy_speed:1;		/* bit 4 */
-		u32 phy_full_duplex:1;	/* bit 5 */
-		u32 phy_link_ok:1;		/* bit 6 */
-		u32 phy_jabber:1;		/* bit 7 */
-		u32 clash:1;		/* bit 8 */
-		u32 excess_defer:1;	/* bit 9 */
-		u32 reserved:22;		/* bits 10-31 */
-#endif
-	} bits;
-} MAC_IF_STAT_t, *PMAC_IF_STAT_t;
 
 /*
  * structure for Mac Station Address, Part 1 reg in mac address map.
@@ -1428,7 +1179,7 @@ typedef struct _MAC_t {					/* Location: */
 	u32 mii_mgmt_stat;				/*  0x5030 */
 	u32 mii_mgmt_indicator;				/*  0x5034 */
 	u32 if_ctrl;					/*  0x5038 */
-	MAC_IF_STAT_t if_stat;				/*  0x503C */
+	u32 if_stat;					/*  0x503C */
 	MAC_STATION_ADDR1_t station_addr_1;		/*  0x5040 */
 	MAC_STATION_ADDR2_t station_addr_2;		/*  0x5044 */
 } MAC_t, *PMAC_t;
@@ -1498,8 +1249,9 @@ typedef struct _MAC_t {					/* Location: */
 /*
  * MAC STATS Module of JAGCore Address Mapping
  */
-typedef struct _MAC_STAT_t {		/* Location: */
-	u32 pad[32];		/*  0x6000 - 607C */
+struct macstat_regs
+{					/* Location: */
+	u32 pad[32];			/*  0x6000 - 607C */
 
 	/* Tx/Rx 0-64 Byte Frame Counter */
 	u32 TR64;			/*  0x6080 */
@@ -1644,7 +1396,7 @@ typedef struct _MAC_STAT_t {		/* Location: */
 
 	/* Carry Register Two Mask Register */
 	u32 Carry2M;			/*  0x613C */
-} MAC_STAT_t, *PMAC_STAT_t;
+};
 
 /* END OF MAC STAT REGISTER ADDRESS MAP */
 
@@ -1682,70 +1434,49 @@ typedef struct _MAC_STAT_t {		/* Location: */
 /*
  * Memory Control Module of JAGCore Address Mapping
  */
-typedef struct _MMC_t {			/* Location: */
+struct mmc_regs {		/* Location: */
 	u32 mmc_ctrl;		/*  0x7000 */
 	u32 sram_access;	/*  0x7004 */
 	u32 sram_word1;		/*  0x7008 */
 	u32 sram_word2;		/*  0x700C */
 	u32 sram_word3;		/*  0x7010 */
 	u32 sram_word4;		/*  0x7014 */
-} MMC_t, *PMMC_t;
+};
 
 /* END OF MMC REGISTER ADDRESS MAP */
 
 
-/* START OF EXP ROM REGISTER ADDRESS MAP */
-
-/*
- * Expansion ROM Module of JAGCore Address Mapping
- */
-
-/* Take this out until it is not empty */
-#if 0
-typedef struct _EXP_ROM_t {
-
-} EXP_ROM_t, *PEXP_ROM_t;
-#endif
-
-/* END OF EXP ROM REGISTER ADDRESS MAP */
-
-
 /*
  * JAGCore Address Mapping
  */
 typedef struct _ADDRESS_MAP_t {
-	GLOBAL_t global;
+	struct global_regs global;
 	/* unused section of global address map */
-	u8 unused_global[4096 - sizeof(GLOBAL_t)];
-	TXDMA_t txdma;
+	u8 unused_global[4096 - sizeof(struct global_regs)];
+	struct txdma_regs txdma;
 	/* unused section of txdma address map */
-	u8 unused_txdma[4096 - sizeof(TXDMA_t)];
-	RXDMA_t rxdma;
+	u8 unused_txdma[4096 - sizeof(struct txdma_regs)];
+	struct rxdma_regs rxdma;
 	/* unused section of rxdma address map */
-	u8 unused_rxdma[4096 - sizeof(RXDMA_t)];
-	TXMAC_t txmac;
+	u8 unused_rxdma[4096 - sizeof(struct rxdma_regs)];
+	struct txmac_regs txmac;
 	/* unused section of txmac address map */
-	u8 unused_txmac[4096 - sizeof(TXMAC_t)];
+	u8 unused_txmac[4096 - sizeof(struct txmac_regs)];
 	RXMAC_t rxmac;
 	/* unused section of rxmac address map */
 	u8 unused_rxmac[4096 - sizeof(RXMAC_t)];
 	MAC_t mac;
 	/* unused section of mac address map */
 	u8 unused_mac[4096 - sizeof(MAC_t)];
-	MAC_STAT_t macStat;
+	struct macstat_regs macstat;
 	/* unused section of mac stat address map */
-	u8 unused_mac_stat[4096 - sizeof(MAC_STAT_t)];
-	MMC_t mmc;
+	u8 unused_mac_stat[4096 - sizeof(struct macstat_regs)];
+	struct mmc_regs mmc;
 	/* unused section of mmc address map */
-	u8 unused_mmc[4096 - sizeof(MMC_t)];
+	u8 unused_mmc[4096 - sizeof(struct mmc_regs)];
 	/* unused section of address map */
 	u8 unused_[1015808];
 
-/* Take this out until it is not empty */
-#if 0
-	EXP_ROM_t exp_rom;
-#endif
-
 	u8 unused_exp_rom[4096];	/* MGS-size TBD */
 	u8 unused__[524288];	/* unused section of address map */
 } ADDRESS_MAP_t, *PADDRESS_MAP_t;
diff --git a/drivers/staging/et131x/et1310_eeprom.c b/drivers/staging/et131x/et1310_eeprom.c
index bcca1f86f516..3ca253672ba1 100644
--- a/drivers/staging/et131x/et1310_eeprom.c
+++ b/drivers/staging/et131x/et1310_eeprom.c
@@ -84,17 +84,42 @@
 #include <linux/ioport.h>
 
 #include "et1310_phy.h"
-#include "et1310_pm.h"
-#include "et1310_jagcore.h"
-#include "et1310_eeprom.h"
-
 #include "et131x_adapter.h"
-#include "et131x_initpci.h"
-#include "et131x_isr.h"
-
-#include "et1310_tx.h"
+#include "et131x.h"
 
+/*
+ * EEPROM Defines
+ */
 
+/* LBCIF Register Groups (addressed via 32-bit offsets) */
+#define LBCIF_DWORD0_GROUP       0xAC
+#define LBCIF_DWORD1_GROUP       0xB0
+
+/* LBCIF Registers (addressed via 8-bit offsets) */
+#define LBCIF_ADDRESS_REGISTER   0xAC
+#define LBCIF_DATA_REGISTER      0xB0
+#define LBCIF_CONTROL_REGISTER   0xB1
+#define LBCIF_STATUS_REGISTER    0xB2
+
+/* LBCIF Control Register Bits */
+#define LBCIF_CONTROL_SEQUENTIAL_READ   0x01
+#define LBCIF_CONTROL_PAGE_WRITE        0x02
+#define LBCIF_CONTROL_EEPROM_RELOAD     0x08
+#define LBCIF_CONTROL_TWO_BYTE_ADDR     0x20
+#define LBCIF_CONTROL_I2C_WRITE         0x40
+#define LBCIF_CONTROL_LBCIF_ENABLE      0x80
+
+/* LBCIF Status Register Bits */
+#define LBCIF_STATUS_PHY_QUEUE_AVAIL    0x01
+#define LBCIF_STATUS_I2C_IDLE           0x02
+#define LBCIF_STATUS_ACK_ERROR          0x04
+#define LBCIF_STATUS_GENERAL_ERROR      0x08
+#define LBCIF_STATUS_CHECKSUM_ERROR     0x40
+#define LBCIF_STATUS_EEPROM_PRESENT     0x80
+
+/* Miscellaneous Constraints */
+#define MAX_NUM_REGISTER_POLLS          1000
+#define MAX_NUM_WRITE_RETRIES           2
 
 static int eeprom_wait_ready(struct pci_dev *pdev, u32 *status)
 {
diff --git a/drivers/staging/et131x/et1310_eeprom.h b/drivers/staging/et131x/et1310_eeprom.h
deleted file mode 100644
index 6a6c6a632a8f..000000000000
--- a/drivers/staging/et131x/et1310_eeprom.h
+++ /dev/null
@@ -1,103 +0,0 @@
-/*
- * Agere Systems Inc.
- * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *   http://www.agere.com
- *
- *------------------------------------------------------------------------------
- *
- * et1310_eeprom.h - Defines, structs, enums, prototypes, etc. used for EEPROM
- *                   access routines
- *
- *------------------------------------------------------------------------------
- *
- * SOFTWARE LICENSE
- *
- * This software is provided subject to the following terms and conditions,
- * which you should read carefully before using the software.  Using this
- * software indicates your acceptance of these terms and conditions.  If you do
- * not agree with these terms and conditions, do not use the software.
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *
- * Redistribution and use in source or binary forms, with or without
- * modifications, are permitted provided that the following conditions are met:
- *
- * . Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following Disclaimer as comments in the code as
- *    well as in the documentation and/or other materials provided with the
- *    distribution.
- *
- * . Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following Disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * . Neither the name of Agere Systems Inc. nor the names of the contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * Disclaimer
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
- * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
- * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- */
-
-#ifndef __ET1310_EEPROM_H__
-#define __ET1310_EEPROM_H__
-
-#include "et1310_address_map.h"
-
-/*
- * EEPROM Defines
- */
-
-/* LBCIF Register Groups (addressed via 32-bit offsets) */
-#define LBCIF_DWORD0_GROUP       0xAC
-#define LBCIF_DWORD1_GROUP       0xB0
-
-/* LBCIF Registers (addressed via 8-bit offsets) */
-#define LBCIF_ADDRESS_REGISTER   0xAC
-#define LBCIF_DATA_REGISTER      0xB0
-#define LBCIF_CONTROL_REGISTER   0xB1
-#define LBCIF_STATUS_REGISTER    0xB2
-
-/* LBCIF Control Register Bits */
-#define LBCIF_CONTROL_SEQUENTIAL_READ   0x01
-#define LBCIF_CONTROL_PAGE_WRITE        0x02
-#define LBCIF_CONTROL_EEPROM_RELOAD     0x08
-#define LBCIF_CONTROL_TWO_BYTE_ADDR     0x20
-#define LBCIF_CONTROL_I2C_WRITE         0x40
-#define LBCIF_CONTROL_LBCIF_ENABLE      0x80
-
-/* LBCIF Status Register Bits */
-#define LBCIF_STATUS_PHY_QUEUE_AVAIL    0x01
-#define LBCIF_STATUS_I2C_IDLE           0x02
-#define LBCIF_STATUS_ACK_ERROR          0x04
-#define LBCIF_STATUS_GENERAL_ERROR      0x08
-#define LBCIF_STATUS_CHECKSUM_ERROR     0x40
-#define LBCIF_STATUS_EEPROM_PRESENT     0x80
-
-/* Miscellaneous Constraints */
-#define MAX_NUM_REGISTER_POLLS          1000
-#define MAX_NUM_WRITE_RETRIES           2
-
-/* Forward declaration of the private adapter structure */
-struct et131x_adapter;
-
-int et131x_init_eeprom(struct et131x_adapter *etdev);
-
-#endif /* _ET1310_EEPROM_H_ */
diff --git a/drivers/staging/et131x/et1310_jagcore.h b/drivers/staging/et131x/et1310_jagcore.h
deleted file mode 100644
index 0807a01d88ae..000000000000
--- a/drivers/staging/et131x/et1310_jagcore.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Agere Systems Inc.
- * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *   http://www.agere.com
- *
- *------------------------------------------------------------------------------
- *
- * et1310_jagcore.h - Defines, structs, enums, prototypes, etc. pertaining to
- *                    the JAGCore
- *
- *------------------------------------------------------------------------------
- *
- * SOFTWARE LICENSE
- *
- * This software is provided subject to the following terms and conditions,
- * which you should read carefully before using the software.  Using this
- * software indicates your acceptance of these terms and conditions.  If you do
- * not agree with these terms and conditions, do not use the software.
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *
- * Redistribution and use in source or binary forms, with or without
- * modifications, are permitted provided that the following conditions are met:
- *
- * . Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following Disclaimer as comments in the code as
- *    well as in the documentation and/or other materials provided with the
- *    distribution.
- *
- * . Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following Disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * . Neither the name of Agere Systems Inc. nor the names of the contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * Disclaimer
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
- * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
- * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- */
-
-#ifndef __ET1310_JAGCORE_H__
-#define __ET1310_JAGCORE_H__
-
-#include "et1310_address_map.h"
-
-
-#define INTERNAL_MEM_SIZE       0x400	/* 1024 of internal memory */
-#define INTERNAL_MEM_RX_OFFSET  0x1FF	/* 50%   Tx, 50%   Rx */
-
-/*
- * For interrupts, normal running is:
- *       rxdma_xfr_done, phy_interrupt, mac_stat_interrupt,
- *       watchdog_interrupt & txdma_xfer_done
- *
- * In both cases, when flow control is enabled for either Tx or bi-direction,
- * we additional enable rx_fbr0_low and rx_fbr1_low, so we know when the
- * buffer rings are running low.
- */
-#define INT_MASK_DISABLE            0xffffffff
-
-/* NOTE: Masking out MAC_STAT Interrupt for now...
- * #define INT_MASK_ENABLE             0xfff6bf17
- * #define INT_MASK_ENABLE_NO_FLOW     0xfff6bfd7
- */
-#define INT_MASK_ENABLE             0xfffebf17
-#define INT_MASK_ENABLE_NO_FLOW     0xfffebfd7
-
-/* Forward declaration of the private adapter structure */
-struct et131x_adapter;
-
-void ConfigGlobalRegs(struct et131x_adapter *pAdapter);
-void ConfigMMCRegs(struct et131x_adapter *pAdapter);
-void et131x_enable_interrupts(struct et131x_adapter *adapter);
-void et131x_disable_interrupts(struct et131x_adapter *adapter);
-
-#endif /* __ET1310_JAGCORE_H__ */
diff --git a/drivers/staging/et131x/et1310_mac.c b/drivers/staging/et131x/et1310_mac.c
index b8a1f2037314..737a9f5401d1 100644
--- a/drivers/staging/et131x/et1310_mac.c
+++ b/drivers/staging/et131x/et1310_mac.c
@@ -85,12 +85,19 @@
 #include <linux/crc32.h>
 
 #include "et1310_phy.h"
-#include "et1310_pm.h"
-#include "et1310_jagcore.h"
-#include "et1310_mac.h"
-
 #include "et131x_adapter.h"
-#include "et131x_initpci.h"
+#include "et131x.h"
+
+
+#define COUNTER_WRAP_28_BIT 0x10000000
+#define COUNTER_WRAP_22_BIT 0x400000
+#define COUNTER_WRAP_16_BIT 0x10000
+#define COUNTER_WRAP_12_BIT 0x1000
+
+#define COUNTER_MASK_28_BIT (COUNTER_WRAP_28_BIT - 1)
+#define COUNTER_MASK_22_BIT (COUNTER_WRAP_22_BIT - 1)
+#define COUNTER_MASK_16_BIT (COUNTER_WRAP_16_BIT - 1)
+#define COUNTER_MASK_12_BIT (COUNTER_WRAP_12_BIT - 1)
 
 /**
  * ConfigMacRegs1 - Initialize the first part of MAC regs
@@ -163,9 +170,9 @@ void ConfigMACRegs2(struct et131x_adapter *etdev)
 	u32 cfg1;
 	u32 cfg2;
 	u32 ifctrl;
-	TXMAC_CTL_t ctl;
+	u32 ctl;
 
-	ctl.value = readl(&etdev->regs->txmac.ctl.value);
+	ctl = readl(&etdev->regs->txmac.ctl);
 	cfg1 = readl(&pMac->cfg1);
 	cfg2 = readl(&pMac->cfg2);
 	ifctrl = readl(&pMac->if_ctrl);
@@ -219,9 +226,8 @@ void ConfigMACRegs2(struct et131x_adapter *etdev)
 	}
 
 	/* Enable TXMAC */
-	ctl.bits.txmac_en = 0x1;
-	ctl.bits.fc_disable = 0x1;
-	writel(ctl.value, &etdev->regs->txmac.ctl.value);
+	ctl |= 0x09;	/* TX mac enable, FC disable */
+	writel(ctl, &etdev->regs->txmac.ctl);
 
 	/* Ready to start the RXDMA/TXDMA engine */
 	if (etdev->Flags & fMP_ADAPTER_LOWER_POWER) {
@@ -235,15 +241,15 @@ void ConfigRxMacRegs(struct et131x_adapter *etdev)
 	struct _RXMAC_t __iomem *pRxMac = &etdev->regs->rxmac;
 	RXMAC_WOL_SA_LO_t sa_lo;
 	RXMAC_WOL_SA_HI_t sa_hi;
-	RXMAC_PF_CTRL_t pf_ctrl = { 0 };
+	u32 pf_ctrl = 0;
 
 	/* Disable the MAC while it is being configured (also disable WOL) */
-	writel(0x8, &pRxMac->ctrl.value);
+	writel(0x8, &pRxMac->ctrl);
 
 	/* Initialize WOL to disabled. */
-	writel(0, &pRxMac->crc0.value);
-	writel(0, &pRxMac->crc12.value);
-	writel(0, &pRxMac->crc34.value);
+	writel(0, &pRxMac->crc0);
+	writel(0, &pRxMac->crc12);
+	writel(0, &pRxMac->crc34);
 
 	/* We need to set the WOL mask0 - mask4 next.  We initialize it to
 	 * its default Values of 0x00000000 because there are not WOL masks
@@ -286,12 +292,12 @@ void ConfigRxMacRegs(struct et131x_adapter *etdev)
 	writel(sa_hi.value, &pRxMac->sa_hi.value);
 
 	/* Disable all Packet Filtering */
-	writel(0, &pRxMac->pf_ctrl.value);
+	writel(0, &pRxMac->pf_ctrl);
 
 	/* Let's initialize the Unicast Packet filtering address */
 	if (etdev->PacketFilter & ET131X_PACKET_TYPE_DIRECTED) {
 		SetupDeviceForUnicast(etdev);
-		pf_ctrl.bits.filter_uni_en = 1;
+		pf_ctrl |= 4;	/* Unicast filter */
 	} else {
 		writel(0, &pRxMac->uni_pf_addr1.value);
 		writel(0, &pRxMac->uni_pf_addr2.value);
@@ -299,20 +305,16 @@ void ConfigRxMacRegs(struct et131x_adapter *etdev)
 	}
 
 	/* Let's initialize the Multicast hash */
-	if (etdev->PacketFilter & ET131X_PACKET_TYPE_ALL_MULTICAST) {
-		pf_ctrl.bits.filter_multi_en = 0;
-	} else {
-		pf_ctrl.bits.filter_multi_en = 1;
+	if (!(etdev->PacketFilter & ET131X_PACKET_TYPE_ALL_MULTICAST)) {
+		pf_ctrl |= 2;	/* Multicast filter */
 		SetupDeviceForMulticast(etdev);
 	}
 
 	/* Runt packet filtering.  Didn't work in version A silicon. */
-	pf_ctrl.bits.min_pkt_size = NIC_MIN_PACKET_SIZE + 4;
-	pf_ctrl.bits.filter_frag_en = 1;
-
-	if (etdev->RegistryJumboPacket > 8192) {
-		RXMAC_MCIF_CTRL_MAX_SEG_t mcif_ctrl_max_seg;
+	pf_ctrl |= (NIC_MIN_PACKET_SIZE + 4) << 16;
+	pf_ctrl |= 8;	/* Fragment filter */
 
+	if (etdev->RegistryJumboPacket > 8192)
 		/* In order to transmit jumbo packets greater than 8k, the
 		 * FIFO between RxMAC and RxDMA needs to be reduced in size
 		 * to (16k - Jumbo packet size).  In order to implement this,
@@ -320,25 +322,21 @@ void ConfigRxMacRegs(struct et131x_adapter *etdev)
 		 * packets down into segments which are (max_size * 16).  In
 		 * this case we selected 256 bytes, since this is the size of
 		 * the PCI-Express TLP's that the 1310 uses.
+		 *
+		 * seg_en on, fc_en off, size 0x10
 		 */
-		mcif_ctrl_max_seg.bits.seg_en = 0x1;
-		mcif_ctrl_max_seg.bits.fc_en = 0x0;
-		mcif_ctrl_max_seg.bits.max_size = 0x10;
-
-		writel(mcif_ctrl_max_seg.value,
-		       &pRxMac->mcif_ctrl_max_seg.value);
-	} else {
-		writel(0, &pRxMac->mcif_ctrl_max_seg.value);
-	}
+		writel(0x41, &pRxMac->mcif_ctrl_max_seg);
+	else
+		writel(0, &pRxMac->mcif_ctrl_max_seg);
 
 	/* Initialize the MCIF water marks */
-	writel(0, &pRxMac->mcif_water_mark.value);
+	writel(0, &pRxMac->mcif_water_mark);
 
 	/*  Initialize the MIF control */
-	writel(0, &pRxMac->mif_ctrl.value);
+	writel(0, &pRxMac->mif_ctrl);
 
 	/* Initialize the Space Available Register */
-	writel(0, &pRxMac->space_avail.value);
+	writel(0, &pRxMac->space_avail);
 
 	/* Initialize the the mif_ctrl register
 	 * bit 3:  Receive code error. One or more nibbles were signaled as
@@ -354,9 +352,9 @@ void ConfigRxMacRegs(struct et131x_adapter *etdev)
 	 * bit 17: Drop packet enable
 	 */
 	if (etdev->linkspeed == TRUEPHY_SPEED_100MBPS)
-		writel(0x30038, &pRxMac->mif_ctrl.value);
+		writel(0x30038, &pRxMac->mif_ctrl);
 	else
-		writel(0x30030, &pRxMac->mif_ctrl.value);
+		writel(0x30030, &pRxMac->mif_ctrl);
 
 	/* Finally we initialize RxMac to be enabled & WOL disabled.  Packet
 	 * filter is always enabled since it is where the runt packets are
@@ -364,28 +362,28 @@ void ConfigRxMacRegs(struct et131x_adapter *etdev)
 	 * dropping doesn't work, so it is disabled in the pf_ctrl register,
 	 * but we still leave the packet filter on.
 	 */
-	writel(pf_ctrl.value, &pRxMac->pf_ctrl.value);
-	writel(0x9, &pRxMac->ctrl.value);
+	writel(pf_ctrl, &pRxMac->pf_ctrl);
+	writel(0x9, &pRxMac->ctrl);
 }
 
 void ConfigTxMacRegs(struct et131x_adapter *etdev)
 {
-	struct _TXMAC_t __iomem *pTxMac = &etdev->regs->txmac;
+	struct txmac_regs *txmac = &etdev->regs->txmac;
 
 	/* We need to update the Control Frame Parameters
 	 * cfpt - control frame pause timer set to 64 (0x40)
 	 * cfep - control frame extended pause timer set to 0x0
 	 */
 	if (etdev->FlowControl == None)
-		writel(0, &pTxMac->cf_param);
+		writel(0, &txmac->cf_param);
 	else
-		writel(0x40, &pTxMac->cf_param);
+		writel(0x40, &txmac->cf_param);
 }
 
 void ConfigMacStatRegs(struct et131x_adapter *etdev)
 {
-	struct _MAC_STAT_t __iomem *macstat =
-		&etdev->regs->macStat;
+	struct macstat_regs __iomem *macstat =
+		&etdev->regs->macstat;
 
 	/* Next we need to initialize all the MAC_STAT registers to zero on
 	 * the device.
@@ -456,8 +454,8 @@ void ConfigFlowControl(struct et131x_adapter *etdev)
 void UpdateMacStatHostCounters(struct et131x_adapter *etdev)
 {
 	struct _ce_stats_t *stats = &etdev->Stats;
-	struct _MAC_STAT_t __iomem *macstat =
-		&etdev->regs->macStat;
+	struct macstat_regs __iomem *macstat =
+		&etdev->regs->macstat;
 
 	stats->collisions += readl(&macstat->TNcl);
 	stats->first_collision += readl(&macstat->TScl);
@@ -493,11 +491,11 @@ void HandleMacStatInterrupt(struct et131x_adapter *etdev)
 	/* Read the interrupt bits from the register(s).  These are Clear On
 	 * Write.
 	 */
-	Carry1 = readl(&etdev->regs->macStat.Carry1);
-	Carry2 = readl(&etdev->regs->macStat.Carry2);
+	Carry1 = readl(&etdev->regs->macstat.Carry1);
+	Carry2 = readl(&etdev->regs->macstat.Carry2);
 
-	writel(Carry1, &etdev->regs->macStat.Carry1);
-	writel(Carry2, &etdev->regs->macStat.Carry2);
+	writel(Carry1, &etdev->regs->macstat.Carry1);
+	writel(Carry2, &etdev->regs->macstat.Carry2);
 
 	/* We need to do update the host copy of all the MAC_STAT counters.
 	 * For each counter, check it's overflow bit.  If the overflow bit is
diff --git a/drivers/staging/et131x/et1310_mac.h b/drivers/staging/et131x/et1310_mac.h
deleted file mode 100644
index 2c3859594538..000000000000
--- a/drivers/staging/et131x/et1310_mac.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/*
- * Agere Systems Inc.
- * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *   http://www.agere.com
- *
- *------------------------------------------------------------------------------
- *
- * et1310_mac.h -  Defines, structs, enums, prototypes, etc. pertaining to the
- *                 MAC.
- *
- *------------------------------------------------------------------------------
- *
- * SOFTWARE LICENSE
- *
- * This software is provided subject to the following terms and conditions,
- * which you should read carefully before using the software.  Using this
- * software indicates your acceptance of these terms and conditions.  If you do
- * not agree with these terms and conditions, do not use the software.
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *
- * Redistribution and use in source or binary forms, with or without
- * modifications, are permitted provided that the following conditions are met:
- *
- * . Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following Disclaimer as comments in the code as
- *    well as in the documentation and/or other materials provided with the
- *    distribution.
- *
- * . Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following Disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * . Neither the name of Agere Systems Inc. nor the names of the contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * Disclaimer
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
- * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
- * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- */
-
-#ifndef _ET1310_MAC_H_
-#define _ET1310_MAC_H_
-
-
-#include "et1310_address_map.h"
-
-
-#define COUNTER_WRAP_28_BIT 0x10000000
-#define COUNTER_WRAP_22_BIT 0x400000
-#define COUNTER_WRAP_16_BIT 0x10000
-#define COUNTER_WRAP_12_BIT 0x1000
-
-#define COUNTER_MASK_28_BIT (COUNTER_WRAP_28_BIT - 1)
-#define COUNTER_MASK_22_BIT (COUNTER_WRAP_22_BIT - 1)
-#define COUNTER_MASK_16_BIT (COUNTER_WRAP_16_BIT - 1)
-#define COUNTER_MASK_12_BIT (COUNTER_WRAP_12_BIT - 1)
-
-#define UPDATE_COUNTER(HostCnt, DevCnt) \
-    HostCnt = HostCnt + DevCnt;
-
-/* Forward declaration of the private adapter structure */
-struct et131x_adapter;
-
-void ConfigMACRegs1(struct et131x_adapter *adapter);
-void ConfigMACRegs2(struct et131x_adapter *adapter);
-void ConfigRxMacRegs(struct et131x_adapter *adapter);
-void ConfigTxMacRegs(struct et131x_adapter *adapter);
-void ConfigMacStatRegs(struct et131x_adapter *adapter);
-void ConfigFlowControl(struct et131x_adapter *adapter);
-void UpdateMacStatHostCounters(struct et131x_adapter *adapter);
-void HandleMacStatInterrupt(struct et131x_adapter *adapter);
-void SetupDeviceForMulticast(struct et131x_adapter *adapter);
-void SetupDeviceForUnicast(struct et131x_adapter *adapter);
-
-#endif /* _ET1310_MAC_H_ */
diff --git a/drivers/staging/et131x/et1310_phy.c b/drivers/staging/et131x/et1310_phy.c
index 6ecad619f779..4a55fbfbd59d 100644
--- a/drivers/staging/et131x/et1310_phy.c
+++ b/drivers/staging/et131x/et1310_phy.c
@@ -85,17 +85,14 @@
 #include <linux/random.h>
 
 #include "et1310_phy.h"
-#include "et1310_pm.h"
-#include "et1310_jagcore.h"
 
 #include "et131x_adapter.h"
-#include "et131x_netdev.h"
-#include "et131x_initpci.h"
 
 #include "et1310_address_map.h"
 #include "et1310_tx.h"
 #include "et1310_rx.h"
-#include "et1310_mac.h"
+
+#include "et131x.h"
 
 /* Prototypes for functions with local scope */
 static void et131x_xcvr_init(struct et131x_adapter *etdev);
diff --git a/drivers/staging/et131x/et1310_phy.h b/drivers/staging/et131x/et1310_phy.h
index 758b9b251715..47907ba76012 100644
--- a/drivers/staging/et131x/et1310_phy.h
+++ b/drivers/staging/et131x/et1310_phy.h
@@ -736,32 +736,8 @@ typedef union _MI_LCR2_t {
 
 /* MI Register 29 - 31: Reserved Reg(0x1D - 0x1E) */
 
-/* Forward declaration of the private adapter structure */
-struct et131x_adapter;
 
 /* Prototypes for ET1310_phy.c */
-int et131x_xcvr_find(struct et131x_adapter *adapter);
-void et131x_setphy_normal(struct et131x_adapter *adapter);
-
-/* static inline function does not work because et131x_adapter is not always
- * defined
- */
-int PhyMiRead(struct et131x_adapter *adapter, u8 xcvrAddr,
-	      u8 xcvrReg, u16 *value);
-#define MiRead(adapter, xcvrReg, value) \
-	PhyMiRead((adapter), (adapter)->Stats.xcvr_addr, (xcvrReg), (value))
-
-int32_t MiWrite(struct et131x_adapter *adapter,
-		u8 xcvReg, u16 value);
-void et131x_Mii_check(struct et131x_adapter *pAdapter,
-		      MI_BMSR_t bmsr, MI_BMSR_t bmsr_ints);
-
-/* This last is not strictly required (the driver could call the TPAL
- * version instead), but this sets the adapter up correctly, and calls the
- * access routine indirectly.  This protects the driver from changes in TPAL.
- */
-void SetPhy_10BaseTHalfDuplex(struct et131x_adapter *adapter);
-
 /* Defines for PHY access routines */
 
 /* Define bit operation flags */
@@ -843,14 +819,4 @@ void SetPhy_10BaseTHalfDuplex(struct et131x_adapter *adapter);
 					/* #define TRU_VMI_LINK_CONTROL_REGISTER           29 */
 					/* #define TRU_VMI_TIMING_CONTROL_REGISTER */
 
-/* Prototypes for PHY access routines */
-void ET1310_PhyInit(struct et131x_adapter *adapter);
-void ET1310_PhyReset(struct et131x_adapter *adapter);
-void ET1310_PhyPowerDown(struct et131x_adapter *adapter, bool down);
-void ET1310_PhyAdvertise1000BaseT(struct et131x_adapter *adapter,
-				  u16 duplex);
-void ET1310_PhyAccessMiBit(struct et131x_adapter *adapter,
-			   u16 action,
-			   u16 regnum, u16 bitnum, u8 *value);
-
 #endif /* _ET1310_PHY_H_ */
diff --git a/drivers/staging/et131x/et1310_pm.c b/drivers/staging/et131x/et1310_pm.c
index 7d0772359291..41019e390af5 100644
--- a/drivers/staging/et131x/et1310_pm.c
+++ b/drivers/staging/et131x/et1310_pm.c
@@ -83,13 +83,9 @@
 #include <linux/ioport.h>
 
 #include "et1310_phy.h"
-#include "et1310_pm.h"
-#include "et1310_jagcore.h"
-#include "et1310_mac.h"
 #include "et1310_rx.h"
-
 #include "et131x_adapter.h"
-#include "et131x_initpci.h"
+#include "et131x.h"
 
 /**
  * EnablePhyComa - called when network cable is unplugged
diff --git a/drivers/staging/et131x/et1310_pm.h b/drivers/staging/et131x/et1310_pm.h
deleted file mode 100644
index 295f3ab132fb..000000000000
--- a/drivers/staging/et131x/et1310_pm.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Agere Systems Inc.
- * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *   http://www.agere.com
- *
- *------------------------------------------------------------------------------
- *
- * et1310_pm.h - Defines, structs, enums, prototypes, etc. pertaining to power
- *               management.
- *
- *------------------------------------------------------------------------------
- *
- * SOFTWARE LICENSE
- *
- * This software is provided subject to the following terms and conditions,
- * which you should read carefully before using the software.  Using this
- * software indicates your acceptance of these terms and conditions.  If you do
- * not agree with these terms and conditions, do not use the software.
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *
- * Redistribution and use in source or binary forms, with or without
- * modifications, are permitted provided that the following conditions are met:
- *
- * . Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following Disclaimer as comments in the code as
- *    well as in the documentation and/or other materials provided with the
- *    distribution.
- *
- * . Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following Disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * . Neither the name of Agere Systems Inc. nor the names of the contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * Disclaimer
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
- * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
- * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- */
-
-#ifndef _ET1310_PM_H_
-#define _ET1310_PM_H_
-
-#include "et1310_address_map.h"
-
-typedef struct _MP_POWER_MGMT {
-	/* variable putting the phy into coma mode when boot up with no cable
-	 * plugged in after 5 seconds
-	 */
-	u8 TransPhyComaModeOnBoot;
-
-	/* Next two used to save power information at power down. This
-	 * information will be used during power up to set up parts of Power
-	 * Management in JAGCore
-	 */
-	u16 PowerDownSpeed;
-	u8 PowerDownDuplex;
-} MP_POWER_MGMT, *PMP_POWER_MGMT;
-
-/* Forward declaration of the private adapter structure
- */
-struct et131x_adapter;
-
-void EnablePhyComa(struct et131x_adapter *adapter);
-void DisablePhyComa(struct et131x_adapter *adapter);
-
-#endif /* _ET1310_PM_H_ */
diff --git a/drivers/staging/et131x/et1310_rx.c b/drivers/staging/et131x/et1310_rx.c
index 81c1a7478ad6..54686e2ace69 100644
--- a/drivers/staging/et131x/et1310_rx.c
+++ b/drivers/staging/et131x/et1310_rx.c
@@ -84,14 +84,9 @@
 #include <linux/ioport.h>
 
 #include "et1310_phy.h"
-#include "et1310_pm.h"
-#include "et1310_jagcore.h"
-
 #include "et131x_adapter.h"
-#include "et131x_initpci.h"
-
 #include "et1310_rx.h"
-
+#include "et131x.h"
 
 void nic_return_rfd(struct et131x_adapter *etdev, PMP_RFD pMpRfd);
 
@@ -109,17 +104,16 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
 	u32 i, j;
 	u32 bufsize;
 	u32 pktStatRingSize, FBRChunkSize;
-	RX_RING_t *rx_ring;
+	struct rx_ring *rx_ring;
 
 	/* Setup some convenience pointers */
-	rx_ring = (RX_RING_t *) &adapter->RxRing;
+	rx_ring = &adapter->rx_ring;
 
 	/* Alloc memory for the lookup table */
 #ifdef USE_FBR0
-	rx_ring->Fbr[0] = kmalloc(sizeof(FBRLOOKUPTABLE), GFP_KERNEL);
+	rx_ring->fbr[0] = kmalloc(sizeof(struct fbr_lookup), GFP_KERNEL);
 #endif
-
-	rx_ring->Fbr[1] = kmalloc(sizeof(FBRLOOKUPTABLE), GFP_KERNEL);
+	rx_ring->fbr[1] = kmalloc(sizeof(struct fbr_lookup), GFP_KERNEL);
 
 	/* The first thing we will do is configure the sizes of the buffer
 	 * rings. These will change based on jumbo packet support.  Larger
@@ -163,14 +157,14 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
 	}
 
 #ifdef USE_FBR0
-	adapter->RxRing.PsrNumEntries = adapter->RxRing.Fbr0NumEntries +
-	    adapter->RxRing.Fbr1NumEntries;
+	adapter->rx_ring.PsrNumEntries = adapter->rx_ring.Fbr0NumEntries +
+	    adapter->rx_ring.Fbr1NumEntries;
 #else
-	adapter->RxRing.PsrNumEntries = adapter->RxRing.Fbr1NumEntries;
+	adapter->rx_ring.PsrNumEntries = adapter->rx_ring.Fbr1NumEntries;
 #endif
 
 	/* Allocate an area of memory for Free Buffer Ring 1 */
-	bufsize = (sizeof(FBR_DESC_t) * rx_ring->Fbr1NumEntries) + 0xfff;
+	bufsize = (sizeof(struct fbr_desc) * rx_ring->Fbr1NumEntries) + 0xfff;
 	rx_ring->pFbr1RingVa = pci_alloc_consistent(adapter->pdev,
 						    bufsize,
 						    &rx_ring->pFbr1RingPa);
@@ -194,12 +188,12 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
 				      &rx_ring->Fbr1Realpa,
 				      &rx_ring->Fbr1offset, 0x0FFF);
 
-	rx_ring->pFbr1RingVa = (void *)((uint8_t *) rx_ring->pFbr1RingVa +
+	rx_ring->pFbr1RingVa = (void *)((u8 *) rx_ring->pFbr1RingVa +
 					rx_ring->Fbr1offset);
 
 #ifdef USE_FBR0
 	/* Allocate an area of memory for Free Buffer Ring 0 */
-	bufsize = (sizeof(FBR_DESC_t) * rx_ring->Fbr0NumEntries) + 0xfff;
+	bufsize = (sizeof(struct fbr_desc) * rx_ring->Fbr0NumEntries) + 0xfff;
 	rx_ring->pFbr0RingVa = pci_alloc_consistent(adapter->pdev,
 						    bufsize,
 						    &rx_ring->pFbr0RingPa);
@@ -223,7 +217,7 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
 				      &rx_ring->Fbr0Realpa,
 				      &rx_ring->Fbr0offset, 0x0FFF);
 
-	rx_ring->pFbr0RingVa = (void *)((uint8_t *) rx_ring->pFbr0RingVa +
+	rx_ring->pFbr0RingVa = (void *)((u8 *) rx_ring->pFbr0RingVa +
 					rx_ring->Fbr0offset);
 #endif
 
@@ -270,23 +264,23 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
 			/* Save the Virtual address of this index for quick
 			 * access later
 			 */
-			rx_ring->Fbr[1]->Va[index] =
-			    (uint8_t *) rx_ring->Fbr1MemVa[i] +
+			rx_ring->fbr[1]->virt[index] =
+			    (u8 *) rx_ring->Fbr1MemVa[i] +
 			    (j * rx_ring->Fbr1BufferSize) + Fbr1Offset;
 
 			/* now store the physical address in the descriptor
 			 * so the device can access it
 			 */
-			rx_ring->Fbr[1]->PAHigh[index] =
+			rx_ring->fbr[1]->bus_high[index] =
 			    (u32) (Fbr1TempPa >> 32);
-			rx_ring->Fbr[1]->PALow[index] = (u32) Fbr1TempPa;
+			rx_ring->fbr[1]->bus_low[index] = (u32) Fbr1TempPa;
 
 			Fbr1TempPa += rx_ring->Fbr1BufferSize;
 
-			rx_ring->Fbr[1]->Buffer1[index] =
-			    rx_ring->Fbr[1]->Va[index];
-			rx_ring->Fbr[1]->Buffer2[index] =
-			    rx_ring->Fbr[1]->Va[index] - 4;
+			rx_ring->fbr[1]->buffer1[index] =
+			    rx_ring->fbr[1]->virt[index];
+			rx_ring->fbr[1]->buffer2[index] =
+			    rx_ring->fbr[1]->virt[index] - 4;
 		}
 	}
 
@@ -319,27 +313,27 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
 		for (j = 0; j < FBR_CHUNKS; j++) {
 			u32 index = (i * FBR_CHUNKS) + j;
 
-			rx_ring->Fbr[0]->Va[index] =
-			    (uint8_t *) rx_ring->Fbr0MemVa[i] +
+			rx_ring->fbr[0]->virt[index] =
+			    (u8 *) rx_ring->Fbr0MemVa[i] +
 			    (j * rx_ring->Fbr0BufferSize) + Fbr0Offset;
 
-			rx_ring->Fbr[0]->PAHigh[index] =
+			rx_ring->fbr[0]->bus_high[index] =
 			    (u32) (Fbr0TempPa >> 32);
-			rx_ring->Fbr[0]->PALow[index] = (u32) Fbr0TempPa;
+			rx_ring->fbr[0]->bus_low[index] = (u32) Fbr0TempPa;
 
 			Fbr0TempPa += rx_ring->Fbr0BufferSize;
 
-			rx_ring->Fbr[0]->Buffer1[index] =
-			    rx_ring->Fbr[0]->Va[index];
-			rx_ring->Fbr[0]->Buffer2[index] =
-			    rx_ring->Fbr[0]->Va[index] - 4;
+			rx_ring->fbr[0]->buffer1[index] =
+			    rx_ring->fbr[0]->virt[index];
+			rx_ring->fbr[0]->buffer2[index] =
+			    rx_ring->fbr[0]->virt[index] - 4;
 		}
 	}
 #endif
 
 	/* Allocate an area of memory for FIFO of Packet Status ring entries */
 	pktStatRingSize =
-	    sizeof(PKT_STAT_DESC_t) * adapter->RxRing.PsrNumEntries;
+	    sizeof(struct pkt_stat_desc) * adapter->rx_ring.PsrNumEntries;
 
 	rx_ring->pPSRingVa = pci_alloc_consistent(adapter->pdev,
 						  pktStatRingSize,
@@ -360,16 +354,16 @@ int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter)
 	 */
 
 	/* Allocate an area of memory for writeback of status information */
-	rx_ring->pRxStatusVa = pci_alloc_consistent(adapter->pdev,
-						    sizeof(RX_STATUS_BLOCK_t),
-						    &rx_ring->pRxStatusPa);
-	if (!rx_ring->pRxStatusVa) {
+	rx_ring->rx_status_block = pci_alloc_consistent(adapter->pdev,
+					    sizeof(struct rx_status_block),
+					    &rx_ring->rx_status_bus);
+	if (!rx_ring->rx_status_block) {
 		dev_err(&adapter->pdev->dev,
 			  "Cannot alloc memory for Status Block\n");
 		return -ENOMEM;
 	}
 	rx_ring->NumRfd = NIC_DEFAULT_NUM_RFD;
-	printk("PRS %lx\n", (unsigned long)rx_ring->pRxStatusPa);
+	printk("PRS %lx\n", (unsigned long)rx_ring->rx_status_bus);
 
 	/* Recv
 	 * pci_pool_create initializes a lookaside list. After successful
@@ -403,10 +397,10 @@ void et131x_rx_dma_memory_free(struct et131x_adapter *adapter)
 	u32 bufsize;
 	u32 pktStatRingSize;
 	PMP_RFD rfd;
-	RX_RING_t *rx_ring;
+	struct rx_ring *rx_ring;
 
 	/* Setup some convenience pointers */
-	rx_ring = (RX_RING_t *) &adapter->RxRing;
+	rx_ring = &adapter->rx_ring;
 
 	/* Free RFDs and associated packet descriptors */
 	WARN_ON(rx_ring->nReadyRecv != rx_ring->NumRfd);
@@ -417,7 +411,7 @@ void et131x_rx_dma_memory_free(struct et131x_adapter *adapter)
 
 		list_del(&rfd->list_node);
 		rfd->Packet = NULL;
-		kmem_cache_free(adapter->RxRing.RecvLookaside, rfd);
+		kmem_cache_free(adapter->rx_ring.RecvLookaside, rfd);
 	}
 
 	/* Free Free Buffer Ring 1 */
@@ -447,15 +441,14 @@ void et131x_rx_dma_memory_free(struct et131x_adapter *adapter)
 		}
 
 		/* Now the FIFO itself */
-		rx_ring->pFbr1RingVa = (void *)((uint8_t *)
+		rx_ring->pFbr1RingVa = (void *)((u8 *)
 				rx_ring->pFbr1RingVa - rx_ring->Fbr1offset);
 
-		bufsize =
-		    (sizeof(FBR_DESC_t) * rx_ring->Fbr1NumEntries) + 0xfff;
+		bufsize = (sizeof(struct fbr_desc) * rx_ring->Fbr1NumEntries)
+	                                                        + 0xfff;
 
-		pci_free_consistent(adapter->pdev,
-				    bufsize,
-				    rx_ring->pFbr1RingVa, rx_ring->pFbr1RingPa);
+		pci_free_consistent(adapter->pdev, bufsize,
+                                rx_ring->pFbr1RingVa, rx_ring->pFbr1RingPa);
 
 		rx_ring->pFbr1RingVa = NULL;
 	}
@@ -481,11 +474,11 @@ void et131x_rx_dma_memory_free(struct et131x_adapter *adapter)
 		}
 
 		/* Now the FIFO itself */
-		rx_ring->pFbr0RingVa = (void *)((uint8_t *)
+		rx_ring->pFbr0RingVa = (void *)((u8 *)
 				rx_ring->pFbr0RingVa - rx_ring->Fbr0offset);
 
-		bufsize =
-		    (sizeof(FBR_DESC_t) * rx_ring->Fbr0NumEntries) + 0xfff;
+		bufsize = (sizeof(struct fbr_desc) * rx_ring->Fbr0NumEntries)
+                                                                + 0xfff;
 
 		pci_free_consistent(adapter->pdev,
 				    bufsize,
@@ -498,7 +491,7 @@ void et131x_rx_dma_memory_free(struct et131x_adapter *adapter)
 	/* Free Packet Status Ring */
 	if (rx_ring->pPSRingVa) {
 		pktStatRingSize =
-		    sizeof(PKT_STAT_DESC_t) * adapter->RxRing.PsrNumEntries;
+		    sizeof(struct pkt_stat_desc) * adapter->rx_ring.PsrNumEntries;
 
 		pci_free_consistent(adapter->pdev, pktStatRingSize,
 				    rx_ring->pPSRingVa, rx_ring->pPSRingPa);
@@ -507,12 +500,11 @@ void et131x_rx_dma_memory_free(struct et131x_adapter *adapter)
 	}
 
 	/* Free area of memory for the writeback of status information */
-	if (rx_ring->pRxStatusVa) {
+	if (rx_ring->rx_status_block) {
 		pci_free_consistent(adapter->pdev,
-				sizeof(RX_STATUS_BLOCK_t),
-				rx_ring->pRxStatusVa, rx_ring->pRxStatusPa);
-
-		rx_ring->pRxStatusVa = NULL;
+			sizeof(struct rx_status_block),
+			rx_ring->rx_status_block, rx_ring->rx_status_bus);
+        	rx_ring->rx_status_block = NULL;
 	}
 
 	/* Free receive buffer pool */
@@ -527,10 +519,10 @@ void et131x_rx_dma_memory_free(struct et131x_adapter *adapter)
 
 	/* Free the FBR Lookup Table */
 #ifdef USE_FBR0
-	kfree(rx_ring->Fbr[0]);
+	kfree(rx_ring->fbr[0]);
 #endif
 
-	kfree(rx_ring->Fbr[1]);
+	kfree(rx_ring->fbr[1]);
 
 	/* Reset Counters */
 	rx_ring->nReadyRecv = 0;
@@ -548,10 +540,10 @@ int et131x_init_recv(struct et131x_adapter *adapter)
 	PMP_RFD rfd = NULL;
 	u32 rfdct;
 	u32 numrfd = 0;
-	RX_RING_t *rx_ring = NULL;
+	struct rx_ring *rx_ring;
 
 	/* Setup some convenience pointers */
-	rx_ring = (RX_RING_t *) &adapter->RxRing;
+	rx_ring = &adapter->rx_ring;
 
 	/* Setup each RFD */
 	for (rfdct = 0; rfdct < rx_ring->NumRfd; rfdct++) {
@@ -594,9 +586,9 @@ int et131x_init_recv(struct et131x_adapter *adapter)
  */
 void ConfigRxDmaRegs(struct et131x_adapter *etdev)
 {
-	struct _RXDMA_t __iomem *rx_dma = &etdev->regs->rxdma;
-	struct _rx_ring_t *rx_local = &etdev->RxRing;
-	PFBR_DESC_t fbr_entry;
+	struct rxdma_regs __iomem *rx_dma = &etdev->regs->rxdma;
+	struct rx_ring *rx_local = &etdev->rx_ring;
+	struct fbr_desc *fbr_entry;
 	u32 entry;
 	u32 psr_num_des;
 	unsigned long flags;
@@ -611,11 +603,11 @@ void ConfigRxDmaRegs(struct et131x_adapter *etdev)
 	 * are ever returned, make sure the high part is retrieved here
 	 * before storing the adjusted address.
 	 */
-	writel((u32) ((u64)rx_local->pRxStatusPa >> 32),
+	writel((u32) ((u64)rx_local->rx_status_bus >> 32),
 	       &rx_dma->dma_wb_base_hi);
-	writel((u32) rx_local->pRxStatusPa, &rx_dma->dma_wb_base_lo);
+	writel((u32) rx_local->rx_status_bus, &rx_dma->dma_wb_base_lo);
 
-	memset(rx_local->pRxStatusVa, 0, sizeof(RX_STATUS_BLOCK_t));
+	memset(rx_local->rx_status_block, 0, sizeof(struct rx_status_block));
 
 	/* Set the address and parameters of the packet status ring into the
 	 * 1310's registers
@@ -636,11 +628,11 @@ void ConfigRxDmaRegs(struct et131x_adapter *etdev)
 	rx_local->local_psr_full = 0;
 
 	/* Now's the best time to initialize FBR1 contents */
-	fbr_entry = (PFBR_DESC_t) rx_local->pFbr1RingVa;
+	fbr_entry = (struct fbr_desc *) rx_local->pFbr1RingVa;
 	for (entry = 0; entry < rx_local->Fbr1NumEntries; entry++) {
-		fbr_entry->addr_hi = rx_local->Fbr[1]->PAHigh[entry];
-		fbr_entry->addr_lo = rx_local->Fbr[1]->PALow[entry];
-		fbr_entry->word2.bits.bi = entry;
+		fbr_entry->addr_hi = rx_local->fbr[1]->bus_high[entry];
+		fbr_entry->addr_lo = rx_local->fbr[1]->bus_low[entry];
+		fbr_entry->word2 = entry;
 		fbr_entry++;
 	}
 
@@ -661,11 +653,11 @@ void ConfigRxDmaRegs(struct et131x_adapter *etdev)
 
 #ifdef USE_FBR0
 	/* Now's the best time to initialize FBR0 contents */
-	fbr_entry = (PFBR_DESC_t) rx_local->pFbr0RingVa;
+	fbr_entry = (struct fbr_desc *) rx_local->pFbr0RingVa;
 	for (entry = 0; entry < rx_local->Fbr0NumEntries; entry++) {
-		fbr_entry->addr_hi = rx_local->Fbr[0]->PAHigh[entry];
-		fbr_entry->addr_lo = rx_local->Fbr[0]->PALow[entry];
-		fbr_entry->word2.bits.bi = entry;
+		fbr_entry->addr_hi = rx_local->fbr[0]->bus_high[entry];
+		fbr_entry->addr_lo = rx_local->fbr[0]->bus_low[entry];
+		fbr_entry->word2 = entry;
 		fbr_entry++;
 	}
 
@@ -721,18 +713,17 @@ void SetRxDmaTimer(struct et131x_adapter *etdev)
  */
 void et131x_rx_dma_disable(struct et131x_adapter *etdev)
 {
-	RXDMA_CSR_t csr;
-
+        u32 csr;
 	/* Setup the receive dma configuration register */
-	writel(0x00002001, &etdev->regs->rxdma.csr.value);
-	csr.value = readl(&etdev->regs->rxdma.csr.value);
-	if (csr.bits.halt_status != 1) {
+	writel(0x00002001, &etdev->regs->rxdma.csr);
+	csr = readl(&etdev->regs->rxdma.csr);
+	if ((csr & 0x00020000) != 1) {	/* Check halt status (bit 17) */
 		udelay(5);
-		csr.value = readl(&etdev->regs->rxdma.csr.value);
-		if (csr.bits.halt_status != 1)
+		csr = readl(&etdev->regs->rxdma.csr);
+		if ((csr & 0x00020000) != 1)
 			dev_err(&etdev->pdev->dev,
-				"RX Dma failed to enter halt state. CSR 0x%08x\n",
-				csr.value);
+			"RX Dma failed to enter halt state. CSR 0x%08x\n",
+				csr);
 	}
 }
 
@@ -743,34 +734,33 @@ void et131x_rx_dma_disable(struct et131x_adapter *etdev)
 void et131x_rx_dma_enable(struct et131x_adapter *etdev)
 {
 	/* Setup the receive dma configuration register for normal operation */
-	RXDMA_CSR_t csr = { 0 };
-
-	csr.bits.fbr1_enable = 1;
-	if (etdev->RxRing.Fbr1BufferSize == 4096)
-		csr.bits.fbr1_size = 1;
-	else if (etdev->RxRing.Fbr1BufferSize == 8192)
-		csr.bits.fbr1_size = 2;
-	else if (etdev->RxRing.Fbr1BufferSize == 16384)
-		csr.bits.fbr1_size = 3;
+	u32 csr =  0x2000;	/* FBR1 enable */
+
+	if (etdev->rx_ring.Fbr1BufferSize == 4096)
+		csr |= 0x0800;
+	else if (etdev->rx_ring.Fbr1BufferSize == 8192)
+		csr |= 0x1000;
+	else if (etdev->rx_ring.Fbr1BufferSize == 16384)
+		csr |= 0x1800;
 #ifdef USE_FBR0
-	csr.bits.fbr0_enable = 1;
-	if (etdev->RxRing.Fbr0BufferSize == 256)
-		csr.bits.fbr0_size = 1;
-	else if (etdev->RxRing.Fbr0BufferSize == 512)
-		csr.bits.fbr0_size = 2;
-	else if (etdev->RxRing.Fbr0BufferSize == 1024)
-		csr.bits.fbr0_size = 3;
+        csr |= 0x0400;		/* FBR0 enable */
+	if (etdev->rx_ring.Fbr0BufferSize == 256)
+	        csr |= 0x0100;
+	else if (etdev->rx_ring.Fbr0BufferSize == 512)
+		csr |= 0x0200;
+	else if (etdev->rx_ring.Fbr0BufferSize == 1024)
+		csr |= 0x0300;
 #endif
-	writel(csr.value, &etdev->regs->rxdma.csr.value);
+	writel(csr, &etdev->regs->rxdma.csr);
 
-	csr.value = readl(&etdev->regs->rxdma.csr.value);
-	if (csr.bits.halt_status != 0) {
+	csr = readl(&etdev->regs->rxdma.csr);
+	if ((csr & 0x00020000) != 0) {
 		udelay(5);
-		csr.value = readl(&etdev->regs->rxdma.csr.value);
-		if (csr.bits.halt_status != 0) {
+		csr = readl(&etdev->regs->rxdma.csr);
+        	if ((csr & 0x00020000) != 0) {
 			dev_err(&etdev->pdev->dev,
 			    "RX Dma failed to exit halt state.  CSR 0x%08x\n",
-				csr.value);
+				csr);
 		}
 	}
 }
@@ -788,46 +778,44 @@ void et131x_rx_dma_enable(struct et131x_adapter *etdev)
  */
 PMP_RFD nic_rx_pkts(struct et131x_adapter *etdev)
 {
-	struct _rx_ring_t *rx_local = &etdev->RxRing;
-	PRX_STATUS_BLOCK_t status;
-	PPKT_STAT_DESC_t psr;
+	struct rx_ring *rx_local = &etdev->rx_ring;
+	struct rx_status_block *status;
+	struct pkt_stat_desc *psr;
 	PMP_RFD rfd;
 	u32 i;
-	uint8_t *buf;
+	u8 *buf;
 	unsigned long flags;
 	struct list_head *element;
-	uint8_t rindex;
-	uint16_t bindex;
+	u8 rindex;
+	u16 bindex;
 	u32 len;
-	PKT_STAT_DESC_WORD0_t Word0;
+	u32 word0;
+	u32 word1;
 
 	/* RX Status block is written by the DMA engine prior to every
 	 * interrupt. It contains the next to be used entry in the Packet
 	 * Status Ring, and also the two Free Buffer rings.
 	 */
-	status = (PRX_STATUS_BLOCK_t) rx_local->pRxStatusVa;
+	status = rx_local->rx_status_block;
+	word1 = status->Word1 >> 16;	/* Get the useful bits */
 
-	/* FIXME: tidy later when conversions complete */
-	if (status->Word1.bits.PSRoffset ==
-			(rx_local->local_psr_full & 0xFFF) &&
-			status->Word1.bits.PSRwrap ==
-			((rx_local->local_psr_full >> 12) & 1)) {
+	/* Check the PSR and wrap bits do not match */
+	if ((word1 & 0x1FFF) == (rx_local->local_psr_full & 0x1FFF))
 		/* Looks like this ring is not updated yet */
 		return NULL;
-	}
 
 	/* The packet status ring indicates that data is available. */
-	psr = (PPKT_STAT_DESC_t) (rx_local->pPSRingVa) +
+	psr = (struct pkt_stat_desc *) (rx_local->pPSRingVa) +
 			(rx_local->local_psr_full & 0xFFF);
 
 	/* Grab any information that is required once the PSR is
 	 * advanced, since we can no longer rely on the memory being
 	 * accurate
 	 */
-	len = psr->word1.bits.length;
-	rindex = (uint8_t) psr->word1.bits.ri;
-	bindex = (uint16_t) psr->word1.bits.bi;
-	Word0 = psr->word0;
+	len = psr->word1 & 0xFFFF;
+	rindex = (psr->word1 >> 26) & 0x03;
+	bindex = (psr->word1 >> 16) & 0x3FF;
+	word0 = psr->word0;
 
 	/* Indicate that we have used this PSR entry. */
 	/* FIXME wrap 12 */
@@ -842,9 +830,8 @@ PMP_RFD nic_rx_pkts(struct et131x_adapter *etdev)
 	       &etdev->regs->rxdma.psr_full_offset);
 
 #ifndef USE_FBR0
-	if (rindex != 1) {
+	if (rindex != 1)
 		return NULL;
-	}
 #endif
 
 #ifdef USE_FBR0
@@ -899,7 +886,7 @@ PMP_RFD nic_rx_pkts(struct et131x_adapter *etdev)
 
 	if (len) {
 		if (etdev->ReplicaPhyLoopbk == 1) {
-			buf = rx_local->Fbr[rindex]->Va[bindex];
+			buf = rx_local->fbr[rindex]->virt[bindex];
 
 			if (memcmp(&buf[6], &etdev->CurrentAddress[0],
 				   ETH_ALEN) == 0) {
@@ -911,8 +898,8 @@ PMP_RFD nic_rx_pkts(struct et131x_adapter *etdev)
 		}
 
 		/* Determine if this is a multicast packet coming in */
-		if ((Word0.value & ALCATEL_MULTICAST_PKT) &&
-		    !(Word0.value & ALCATEL_BROADCAST_PKT)) {
+		if ((word0 & ALCATEL_MULTICAST_PKT) &&
+		    !(word0 & ALCATEL_BROADCAST_PKT)) {
 			/* Promiscuous mode and Multicast mode are
 			 * not mutually exclusive as was first
 			 * thought.  I guess Promiscuous is just
@@ -923,8 +910,8 @@ PMP_RFD nic_rx_pkts(struct et131x_adapter *etdev)
 			if ((etdev->PacketFilter & ET131X_PACKET_TYPE_MULTICAST)
 			    && !(etdev->PacketFilter & ET131X_PACKET_TYPE_PROMISCUOUS)
 			    && !(etdev->PacketFilter & ET131X_PACKET_TYPE_ALL_MULTICAST)) {
-				buf = rx_local->Fbr[rindex]->
-						Va[bindex];
+				buf = rx_local->fbr[rindex]->
+						virt[bindex];
 
 				/* Loop through our list to see if the
 				 * destination address of this packet
@@ -963,7 +950,7 @@ PMP_RFD nic_rx_pkts(struct et131x_adapter *etdev)
 
 			if (len > 0)
 				etdev->Stats.multircv++;
-		} else if (Word0.value & ALCATEL_BROADCAST_PKT)
+		} else if (word0 & ALCATEL_BROADCAST_PKT)
 			etdev->Stats.brdcstrcv++;
 		else
 			/* Not sure what this counter measures in
@@ -990,7 +977,7 @@ PMP_RFD nic_rx_pkts(struct et131x_adapter *etdev)
 		etdev->net_stats.rx_bytes += rfd->PacketSize;
 
 		memcpy(skb_put(skb, rfd->PacketSize),
-		       rx_local->Fbr[rindex]->Va[bindex],
+		       rx_local->fbr[rindex]->virt[bindex],
 		       rfd->PacketSize);
 
 		skb->dev = etdev->netdev;
@@ -1014,7 +1001,7 @@ PMP_RFD nic_rx_pkts(struct et131x_adapter *etdev)
  */
 void et131x_reset_recv(struct et131x_adapter *etdev)
 {
-	WARN_ON(list_empty(&etdev->RxRing.RecvList));
+	WARN_ON(list_empty(&etdev->rx_ring.RecvList));
 
 }
 
@@ -1032,8 +1019,8 @@ void et131x_handle_recv_interrupt(struct et131x_adapter *etdev)
 
 	/* Process up to available RFD's */
 	while (count < NUM_PACKETS_HANDLED) {
-		if (list_empty(&etdev->RxRing.RecvList)) {
-			WARN_ON(etdev->RxRing.nReadyRecv != 0);
+		if (list_empty(&etdev->rx_ring.RecvList)) {
+			WARN_ON(etdev->rx_ring.nReadyRecv != 0);
 			done = false;
 			break;
 		}
@@ -1058,7 +1045,7 @@ void et131x_handle_recv_interrupt(struct et131x_adapter *etdev)
 		etdev->Stats.ipackets++;
 
 		/* Set the status on the packet, either resources or success */
-		if (etdev->RxRing.nReadyRecv < RFD_LOW_WATER_MARK) {
+		if (etdev->rx_ring.nReadyRecv < RFD_LOW_WATER_MARK) {
 			dev_warn(&etdev->pdev->dev,
 				    "RFD's are running out\n");
 		}
@@ -1066,12 +1053,12 @@ void et131x_handle_recv_interrupt(struct et131x_adapter *etdev)
 	}
 
 	if (count == NUM_PACKETS_HANDLED || !done) {
-		etdev->RxRing.UnfinishedReceives = true;
+		etdev->rx_ring.UnfinishedReceives = true;
 		writel(PARM_TX_TIME_INT_DEF * NANO_IN_A_MICRO,
 		       &etdev->regs->global.watchdog_timer);
 	} else
 		/* Watchdog timer will disable itself if appropriate. */
-		etdev->RxRing.UnfinishedReceives = false;
+		etdev->rx_ring.UnfinishedReceives = false;
 }
 
 static inline u32 bump_fbr(u32 *fbr, u32 limit)
@@ -1099,10 +1086,10 @@ static inline u32 bump_fbr(u32 *fbr, u32 limit)
  */
 void nic_return_rfd(struct et131x_adapter *etdev, PMP_RFD rfd)
 {
-	struct _rx_ring_t *rx_local = &etdev->RxRing;
-	struct _RXDMA_t __iomem *rx_dma = &etdev->regs->rxdma;
-	uint16_t bi = rfd->bufferindex;
-	uint8_t ri = rfd->ringindex;
+	struct rx_ring *rx_local = &etdev->rx_ring;
+	struct rxdma_regs __iomem *rx_dma = &etdev->regs->rxdma;
+	u16 bi = rfd->bufferindex;
+	u8 ri = rfd->ringindex;
 	unsigned long flags;
 
 	/* We don't use any of the OOB data besides status. Otherwise, we
@@ -1116,17 +1103,17 @@ void nic_return_rfd(struct et131x_adapter *etdev, PMP_RFD rfd)
 		spin_lock_irqsave(&etdev->FbrLock, flags);
 
 		if (ri == 1) {
-			PFBR_DESC_t next =
-			    (PFBR_DESC_t) (rx_local->pFbr1RingVa) +
-			    INDEX10(rx_local->local_Fbr1_full);
+			struct fbr_desc *next =
+			    (struct fbr_desc *) (rx_local->pFbr1RingVa) +
+                		            INDEX10(rx_local->local_Fbr1_full);
 
 			/* Handle the Free Buffer Ring advancement here. Write
 			 * the PA / Buffer Index for the returned buffer into
 			 * the oldest (next to be freed)FBR entry
 			 */
-			next->addr_hi = rx_local->Fbr[1]->PAHigh[bi];
-			next->addr_lo = rx_local->Fbr[1]->PALow[bi];
-			next->word2.value = bi;
+			next->addr_hi = rx_local->fbr[1]->bus_high[bi];
+			next->addr_lo = rx_local->fbr[1]->bus_low[bi];
+			next->word2 = bi;
 
 			writel(bump_fbr(&rx_local->local_Fbr1_full,
 				rx_local->Fbr1NumEntries - 1),
@@ -1134,17 +1121,17 @@ void nic_return_rfd(struct et131x_adapter *etdev, PMP_RFD rfd)
 		}
 #ifdef USE_FBR0
 		else {
-			PFBR_DESC_t next =
-			    (PFBR_DESC_t) rx_local->pFbr0RingVa +
-			    INDEX10(rx_local->local_Fbr0_full);
+			struct fbr_desc *next = (struct fbr_desc *)
+				rx_local->pFbr0RingVa +
+					INDEX10(rx_local->local_Fbr0_full);
 
 			/* Handle the Free Buffer Ring advancement here. Write
 			 * the PA / Buffer Index for the returned buffer into
 			 * the oldest (next to be freed) FBR entry
 			 */
-			next->addr_hi = rx_local->Fbr[0]->PAHigh[bi];
-			next->addr_lo = rx_local->Fbr[0]->PALow[bi];
-			next->word2.value = bi;
+			next->addr_hi = rx_local->fbr[0]->bus_high[bi];
+			next->addr_lo = rx_local->fbr[0]->bus_low[bi];
+			next->word2 = bi;
 
 			writel(bump_fbr(&rx_local->local_Fbr0_full,
 					rx_local->Fbr0NumEntries - 1),
diff --git a/drivers/staging/et131x/et1310_rx.h b/drivers/staging/et131x/et1310_rx.h
index 69514593612c..ca84a9146d69 100644
--- a/drivers/staging/et131x/et1310_rx.h
+++ b/drivers/staging/et131x/et1310_rx.h
@@ -91,120 +91,60 @@
 #define ALCATEL_BROADCAST_PKT	0x02000000
 
 /* typedefs for Free Buffer Descriptors */
-typedef union _FBR_WORD2_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 reserved:22;	/* bits 10-31 */
-		u32 bi:10;		/* bits 0-9(Buffer Index) */
-#else
-		u32 bi:10;		/* bits 0-9(Buffer Index) */
-		u32 reserved:22;	/* bit 10-31 */
-#endif
-	} bits;
-} FBR_WORD2_t, *PFBR_WORD2_t;
-
-typedef struct _FBR_DESC_t {
+struct fbr_desc
+{
 	u32 addr_lo;
 	u32 addr_hi;
-	FBR_WORD2_t word2;
-} FBR_DESC_t, *PFBR_DESC_t;
-
-/* Typedefs for Packet Status Ring Descriptors */
-typedef union _PKT_STAT_DESC_WORD0_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		/* top 16 bits are from the Alcatel Status Word as enumerated in */
-		/* PE-MCXMAC Data Sheet IPD DS54 0210-1 (also IPD-DS80 0205-2) */
-#if 0
-		u32 asw_trunc:1;		/* bit 31(Rx frame truncated) */
-#endif
-		u32 asw_long_evt:1;	/* bit 31(Rx long event) */
-		u32 asw_VLAN_tag:1;	/* bit 30(VLAN tag detected) */
-		u32 asw_unsupported_op:1;	/* bit 29(unsupported OP code) */
-		u32 asw_pause_frame:1;	/* bit 28(is a pause frame) */
-		u32 asw_control_frame:1;	/* bit 27(is a control frame) */
-		u32 asw_dribble_nibble:1;	/* bit 26(spurious bits after EOP) */
-		u32 asw_broadcast:1;	/* bit 25(has a broadcast address) */
-		u32 asw_multicast:1;	/* bit 24(has a multicast address) */
-		u32 asw_OK:1;		/* bit 23(valid CRC + no code error) */
-		u32 asw_too_long:1;	/* bit 22(frame length > 1518 bytes) */
-		u32 asw_len_chk_err:1;	/* bit 21(frame length field incorrect) */
-		u32 asw_CRC_err:1;		/* bit 20(CRC error) */
-		u32 asw_code_err:1;	/* bit 19(one or more nibbles signalled as errors) */
-		u32 asw_false_carrier_event:1;	/* bit 18(bad carrier since last good packet) */
-		u32 asw_RX_DV_event:1;	/* bit 17(short receive event detected) */
-		u32 asw_prev_pkt_dropped:1;/* bit 16(e.g. IFG too small on previous) */
-		u32 unused:5;		/* bits 11-15 */
-		u32 vp:1;			/* bit 10(VLAN Packet) */
-		u32 jp:1;			/* bit 9(Jumbo Packet) */
-		u32 ft:1;			/* bit 8(Frame Truncated) */
-		u32 drop:1;		/* bit 7(Drop packet) */
-		u32 rxmac_error:1;		/* bit 6(RXMAC Error Indicator) */
-		u32 wol:1;			/* bit 5(WOL Event) */
-		u32 tcpp:1;		/* bit 4(TCP checksum pass) */
-		u32 tcpa:1;		/* bit 3(TCP checksum assist) */
-		u32 ipp:1;			/* bit 2(IP checksum pass) */
-		u32 ipa:1;			/* bit 1(IP checksum assist) */
-		u32 hp:1;			/* bit 0(hash pass) */
-#else
-		u32 hp:1;			/* bit 0(hash pass) */
-		u32 ipa:1;			/* bit 1(IP checksum assist) */
-		u32 ipp:1;			/* bit 2(IP checksum pass) */
-		u32 tcpa:1;		/* bit 3(TCP checksum assist) */
-		u32 tcpp:1;		/* bit 4(TCP checksum pass) */
-		u32 wol:1;			/* bit 5(WOL Event) */
-		u32 rxmac_error:1;		/* bit 6(RXMAC Error Indicator) */
-		u32 drop:1;		/* bit 7(Drop packet) */
-		u32 ft:1;			/* bit 8(Frame Truncated) */
-		u32 jp:1;			/* bit 9(Jumbo Packet) */
-		u32 vp:1;			/* bit 10(VLAN Packet) */
-		u32 unused:5;		/* bits 11-15 */
-		u32 asw_prev_pkt_dropped:1;/* bit 16(e.g. IFG too small on previous) */
-		u32 asw_RX_DV_event:1;	/* bit 17(short receive event detected) */
-		u32 asw_false_carrier_event:1;	/* bit 18(bad carrier since last good packet) */
-		u32 asw_code_err:1;	/* bit 19(one or more nibbles signalled as errors) */
-		u32 asw_CRC_err:1;		/* bit 20(CRC error) */
-		u32 asw_len_chk_err:1;	/* bit 21(frame length field incorrect) */
-		u32 asw_too_long:1;	/* bit 22(frame length > 1518 bytes) */
-		u32 asw_OK:1;		/* bit 23(valid CRC + no code error) */
-		u32 asw_multicast:1;	/* bit 24(has a multicast address) */
-		u32 asw_broadcast:1;	/* bit 25(has a broadcast address) */
-		u32 asw_dribble_nibble:1;	/* bit 26(spurious bits after EOP) */
-		u32 asw_control_frame:1;	/* bit 27(is a control frame) */
-		u32 asw_pause_frame:1;	/* bit 28(is a pause frame) */
-		u32 asw_unsupported_op:1;	/* bit 29(unsupported OP code) */
-		u32 asw_VLAN_tag:1;	/* bit 30(VLAN tag detected) */
-		u32 asw_long_evt:1;	/* bit 31(Rx long event) */
-#if 0
-		u32 asw_trunc:1;		/* bit 31(Rx frame truncated) */
-#endif
-#endif
-	} bits;
-} PKT_STAT_DESC_WORD0_t, *PPKT_STAT_WORD0_t;
+	u32 word2;		/* Bits 10-31 reserved, 0-9 descriptor */
+};
 
-typedef union _PKT_STAT_DESC_WORD1_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 unused:4;	/* bits 28-31 */
-		u32 ri:2;		/* bits 26-27(Ring Index) */
-		u32 bi:10;		/* bits 16-25(Buffer Index) */
-		u32 length:16;	/* bit 0-15(length in bytes) */
-#else
-		u32 length:16;	/* bit 0-15(length in bytes) */
-		u32 bi:10;		/* bits 16-25(Buffer Index) */
-		u32 ri:2;		/* bits 26-27(Ring Index) */
-		u32 unused:4;	/* bits 28-31 */
-#endif
-	} bits;
-} PKT_STAT_DESC_WORD1_t, *PPKT_STAT_WORD1_t;
+/* Packet Status Ring Descriptors
+ *
+ * Word 0:
+ *
+ * top 16 bits are from the Alcatel Status Word as enumerated in
+ * PE-MCXMAC Data Sheet IPD DS54 0210-1 (also IPD-DS80 0205-2)
+ *
+ * 0: hp			hash pass
+ * 1: ipa			IP checksum assist
+ * 2: ipp			IP checksum pass
+ * 3: tcpa			TCP checksum assist
+ * 4: tcpp			TCP checksum pass
+ * 5: wol			WOL Event
+ * 6: rxmac_error		RXMAC Error Indicator
+ * 7: drop			Drop packet
+ * 8: ft			Frame Truncated
+ * 9: jp			Jumbo Packet
+ * 10: vp			VLAN Packet
+ * 11-15: unused
+ * 16: asw_prev_pkt_dropped 	e.g. IFG too small on previous
+ * 17: asw_RX_DV_event		short receive event detected
+ * 18: asw_false_carrier_event	bad carrier since last good packet
+ * 19: asw_code_err		one or more nibbles signalled as errors
+ * 20: asw_CRC_err		CRC error
+ * 21: asw_len_chk_err		frame length field incorrect
+ * 22: asw_too_long		frame length > 1518 bytes
+ * 23: asw_OK			valid CRC + no code error
+ * 24: asw_multicast		has a multicast address
+ * 25: asw_broadcast		has a broadcast address
+ * 26: asw_dribble_nibble	spurious bits after EOP
+ * 27: asw_control_frame	is a control frame
+ * 28: asw_pause_frame		is a pause frame
+ * 29: asw_unsupported_op	unsupported OP code
+ * 30: asw_VLAN_tag		VLAN tag detected
+ * 31: asw_long_evt		Rx long event
+ *
+ * Word 1:
+ * 0-15: length			length in bytes
+ * 16-25: bi			Buffer Index
+ * 26-27: ri			Ring Index
+ * 28-31: reserved
+ */
 
-typedef struct _PKT_STAT_DESC_t {
-	PKT_STAT_DESC_WORD0_t word0;
-	PKT_STAT_DESC_WORD1_t word1;
-} PKT_STAT_DESC_t, *PPKT_STAT_DESC_t;
+struct pkt_stat_desc {
+	u32 word0;
+	u32 word1;
+};
 
 /* Typedefs for the RX DMA status word */
 
@@ -223,59 +163,38 @@ typedef struct _PKT_STAT_DESC_t {
  * RXSTAT_WORD1_t structure holds part of the status bits of the Rx DMA engine
  * that get copied out to memory by the ET-1310.  Word 3 is a 32 bit word
  * which contains the Packet Status Ring available offset.
+ *
+ * bit 0-15 reserved
+ * bit 16-27 PSRoffset
+ * bit 28 PSRwrap
+ * bit 29-31 unused
  */
 
-#define RXSTAT1_OFFSET	16
-#define RXSTAT1_MASK	0xFFF
-#define RXSTAT1_WRAP	0x10000000
-
-typedef union _rxstat_word1_t {
-	u32 value;
-	struct {
-#ifdef _BIT_FIELDS_HTOL
-		u32 PSRunused:3;	/* bits 29-31 */
-		u32 PSRwrap:1;	/* bit 28 */
-		u32 PSRoffset:12;	/* bits 16-27 */
-		u32 reserved:16;	/* bits 0-15 */
-#else
-		u32 reserved:16;	/* bits 0-15 */
-		u32 PSRoffset:12;	/* bits 16-27 */
-		u32 PSRwrap:1;	/* bit 28 */
-		u32 PSRunused:3;	/* bits 29-31 */
-#endif
-	} bits;
-} RXSTAT_WORD1_t, *PRXSTAT_WORD1_t;
-
 /*
- * RX_STATUS_BLOCK_t is sructure representing the status of the Rx DMA engine
- * it sits in free memory, and is pointed to by 0x101c / 0x1020
+ * struct rx_status_block is a structure representing the status of the Rx
+ * DMA engine it sits in free memory, and is pointed to by 0x101c / 0x1020
  */
-typedef struct _rx_status_block_t {
+struct rx_status_block {
 	u32 Word0;
-	RXSTAT_WORD1_t Word1;
-} RX_STATUS_BLOCK_t, *PRX_STATUS_BLOCK_t;
+	u32 Word1;
+};
 
 /*
  * Structure for look-up table holding free buffer ring pointers
  */
-typedef struct _FbrLookupTable {
-	void *Va[MAX_DESC_PER_RING_RX];
-	void *Buffer1[MAX_DESC_PER_RING_RX];
-	void *Buffer2[MAX_DESC_PER_RING_RX];
-	u32 PAHigh[MAX_DESC_PER_RING_RX];
-	u32 PALow[MAX_DESC_PER_RING_RX];
-} FBRLOOKUPTABLE, *PFBRLOOKUPTABLE;
-
-typedef enum {
-	ONE_PACKET_INTERRUPT,
-	FOUR_PACKET_INTERRUPT
-} eRX_INTERRUPT_STATE_t, *PeRX_INTERRUPT_STATE_t;
+struct fbr_lookup {
+	void *virt[MAX_DESC_PER_RING_RX];
+	void *buffer1[MAX_DESC_PER_RING_RX];
+	void *buffer2[MAX_DESC_PER_RING_RX];
+	u32 bus_high[MAX_DESC_PER_RING_RX];
+	u32 bus_low[MAX_DESC_PER_RING_RX];
+};
 
 /*
- * RX_RING_t is sructure representing the adaptor's local reference(s) to the
- * rings
+ * struct rx_ring is the ssructure representing the adaptor's local
+ * reference(s) to the rings
  */
-typedef struct _rx_ring_t {
+struct rx_ring {
 #ifdef USE_FBR0
 	void *pFbr0RingVa;
 	dma_addr_t pFbr0RingPa;
@@ -293,7 +212,7 @@ typedef struct _rx_ring_t {
 	dma_addr_t Fbr1MemPa[MAX_DESC_PER_RING_RX / FBR_CHUNKS];
 	uint64_t Fbr1Realpa;
 	uint64_t Fbr1offset;
-	FBRLOOKUPTABLE *Fbr[2];
+	struct fbr_lookup *fbr[2];	/* One per ring */
 	u32 local_Fbr1_full;
 	u32 Fbr1NumEntries;
 	u32 Fbr1BufferSize;
@@ -303,8 +222,8 @@ typedef struct _rx_ring_t {
 	u32 local_psr_full;
 	u32 PsrNumEntries;
 
-	void *pRxStatusVa;
-	dma_addr_t pRxStatusPa;
+	struct rx_status_block *rx_status_block;
+	dma_addr_t rx_status_bus;
 
 	struct list_head RecvBufferPool;
 
@@ -320,30 +239,6 @@ typedef struct _rx_ring_t {
 
 	/* lookaside lists */
 	struct kmem_cache *RecvLookaside;
-} RX_RING_t, *PRX_RING_t;
-
-/* Forward reference of RFD */
-struct _MP_RFD;
-
-/* Forward declaration of the private adapter structure */
-struct et131x_adapter;
-
-/* PROTOTYPES for Initialization */
-int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter);
-void et131x_rx_dma_memory_free(struct et131x_adapter *adapter);
-int et131x_rfd_resources_alloc(struct et131x_adapter *adapter,
-			       struct _MP_RFD *pMpRfd);
-void et131x_rfd_resources_free(struct et131x_adapter *adapter,
-			       struct _MP_RFD *pMpRfd);
-int et131x_init_recv(struct et131x_adapter *adapter);
-
-void ConfigRxDmaRegs(struct et131x_adapter *adapter);
-void SetRxDmaTimer(struct et131x_adapter *adapter);
-void et131x_rx_dma_disable(struct et131x_adapter *adapter);
-void et131x_rx_dma_enable(struct et131x_adapter *adapter);
-
-void et131x_reset_recv(struct et131x_adapter *adapter);
-
-void et131x_handle_recv_interrupt(struct et131x_adapter *adapter);
+};
 
 #endif /* __ET1310_RX_H__ */
diff --git a/drivers/staging/et131x/et1310_tx.c b/drivers/staging/et131x/et1310_tx.c
index 977e8b34e7a6..b6ff20f47de4 100644
--- a/drivers/staging/et131x/et1310_tx.c
+++ b/drivers/staging/et131x/et1310_tx.c
@@ -84,15 +84,9 @@
 #include <linux/ioport.h>
 
 #include "et1310_phy.h"
-#include "et1310_pm.h"
-#include "et1310_jagcore.h"
-
 #include "et131x_adapter.h"
-#include "et131x_initpci.h"
-#include "et131x_isr.h"
-
 #include "et1310_tx.h"
-
+#include "et131x.h"
 
 static inline void et131x_free_send_packet(struct et131x_adapter *etdev,
 					   struct tcb *tcb);
@@ -200,7 +194,7 @@ void et131x_tx_dma_memory_free(struct et131x_adapter *adapter)
  */
 void ConfigTxDmaRegs(struct et131x_adapter *etdev)
 {
-	struct _TXDMA_t __iomem *txdma = &etdev->regs->txdma;
+	struct txdma_regs __iomem *txdma = &etdev->regs->txdma;
 
 	/* Load the hardware with the start of the transmit descriptor ring. */
 	writel((u32) ((u64)etdev->tx_ring.tx_desc_ring_pa >> 32),
diff --git a/drivers/staging/et131x/et1310_tx.h b/drivers/staging/et131x/et1310_tx.h
index 4f0ea81978f5..82d06e9870de 100644
--- a/drivers/staging/et131x/et1310_tx.h
+++ b/drivers/staging/et131x/et1310_tx.h
@@ -147,18 +147,4 @@ struct tx_ring {
 	int since_irq;
 };
 
-/* Forward declaration of the private adapter structure */
-struct et131x_adapter;
-
-/* PROTOTYPES for et1310_tx.c */
-int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter);
-void et131x_tx_dma_memory_free(struct et131x_adapter *adapter);
-void ConfigTxDmaRegs(struct et131x_adapter *adapter);
-void et131x_init_send(struct et131x_adapter *adapter);
-void et131x_tx_dma_disable(struct et131x_adapter *adapter);
-void et131x_tx_dma_enable(struct et131x_adapter *adapter);
-void et131x_handle_send_interrupt(struct et131x_adapter *adapter);
-void et131x_free_busy_send_packets(struct et131x_adapter *adapter);
-int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev);
-
 #endif /* __ET1310_TX_H__ */
diff --git a/drivers/staging/et131x/et131x.h b/drivers/staging/et131x/et131x.h
new file mode 100644
index 000000000000..a8abfe6ca81f
--- /dev/null
+++ b/drivers/staging/et131x/et131x.h
@@ -0,0 +1,153 @@
+/*
+ * Merged from files
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *   http://www.agere.com
+ *
+ * SOFTWARE LICENSE
+ *
+ * This software is provided subject to the following terms and conditions,
+ * which you should read carefully before using the software.  Using this
+ * software indicates your acceptance of these terms and conditions.  If you do
+ * not agree with these terms and conditions, do not use the software.
+ *
+ * Copyright © 2005 Agere Systems Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source or binary forms, with or without
+ * modifications, are permitted provided that the following conditions are met:
+ *
+ * . Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following Disclaimer as comments in the code as
+ *    well as in the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * . Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following Disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * . Neither the name of Agere Systems Inc. nor the names of the contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * Disclaimer
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
+ * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
+ * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
+ * DAMAGE.
+ *
+ */
+
+/* et131x_eeprom.c */
+int et131x_init_eeprom(struct et131x_adapter *etdev);
+
+/* et131x_initpci.c */
+void ConfigGlobalRegs(struct et131x_adapter *pAdapter);
+void ConfigMMCRegs(struct et131x_adapter *pAdapter);
+void et131x_enable_interrupts(struct et131x_adapter *adapter);
+void et131x_disable_interrupts(struct et131x_adapter *adapter);
+void et131x_align_allocated_memory(struct et131x_adapter *adapter,
+				   u64 *phys_addr,
+				   u64 *offset, u64 mask);
+
+int et131x_adapter_setup(struct et131x_adapter *adapter);
+int et131x_adapter_memory_alloc(struct et131x_adapter *adapter);
+void et131x_adapter_memory_free(struct et131x_adapter *adapter);
+void et131x_hwaddr_init(struct et131x_adapter *adapter);
+void et131x_soft_reset(struct et131x_adapter *adapter);
+
+/* et131x_isr.c */
+irqreturn_t et131x_isr(int irq, void *dev_id);
+void et131x_isr_handler(struct work_struct *work);
+
+/* et1310_mac.c */
+void ConfigMACRegs1(struct et131x_adapter *adapter);
+void ConfigMACRegs2(struct et131x_adapter *adapter);
+void ConfigRxMacRegs(struct et131x_adapter *adapter);
+void ConfigTxMacRegs(struct et131x_adapter *adapter);
+void ConfigMacStatRegs(struct et131x_adapter *adapter);
+void ConfigFlowControl(struct et131x_adapter *adapter);
+void UpdateMacStatHostCounters(struct et131x_adapter *adapter);
+void HandleMacStatInterrupt(struct et131x_adapter *adapter);
+void SetupDeviceForMulticast(struct et131x_adapter *adapter);
+void SetupDeviceForUnicast(struct et131x_adapter *adapter);
+
+/* et131x_netdev.c */
+struct net_device *et131x_device_alloc(void);
+
+/* et131x_pm.c */
+void EnablePhyComa(struct et131x_adapter *adapter);
+void DisablePhyComa(struct et131x_adapter *adapter);
+
+/* et131x_phy.c */
+void ET1310_PhyInit(struct et131x_adapter *adapter);
+void ET1310_PhyReset(struct et131x_adapter *adapter);
+void ET1310_PhyPowerDown(struct et131x_adapter *adapter, bool down);
+void ET1310_PhyAdvertise1000BaseT(struct et131x_adapter *adapter,
+				  u16 duplex);
+void ET1310_PhyAccessMiBit(struct et131x_adapter *adapter,
+			   u16 action,
+			   u16 regnum, u16 bitnum, u8 *value);
+
+int et131x_xcvr_find(struct et131x_adapter *adapter);
+void et131x_setphy_normal(struct et131x_adapter *adapter);
+
+/* static inline function does not work because et131x_adapter is not always
+ * defined
+ */
+int PhyMiRead(struct et131x_adapter *adapter, u8 xcvrAddr,
+	      u8 xcvrReg, u16 *value);
+#define MiRead(adapter, xcvrReg, value) \
+	PhyMiRead((adapter), (adapter)->Stats.xcvr_addr, (xcvrReg), (value))
+
+int32_t MiWrite(struct et131x_adapter *adapter,
+		u8 xcvReg, u16 value);
+void et131x_Mii_check(struct et131x_adapter *pAdapter,
+		      MI_BMSR_t bmsr, MI_BMSR_t bmsr_ints);
+
+/* This last is not strictly required (the driver could call the TPAL
+ * version instead), but this sets the adapter up correctly, and calls the
+ * access routine indirectly.  This protects the driver from changes in TPAL.
+ */
+void SetPhy_10BaseTHalfDuplex(struct et131x_adapter *adapter);
+
+
+/* et1310_rx.c */
+int et131x_rx_dma_memory_alloc(struct et131x_adapter *adapter);
+void et131x_rx_dma_memory_free(struct et131x_adapter *adapter);
+int et131x_rfd_resources_alloc(struct et131x_adapter *adapter,
+			       struct _MP_RFD *pMpRfd);
+void et131x_rfd_resources_free(struct et131x_adapter *adapter,
+			       struct _MP_RFD *pMpRfd);
+int et131x_init_recv(struct et131x_adapter *adapter);
+
+void ConfigRxDmaRegs(struct et131x_adapter *adapter);
+void SetRxDmaTimer(struct et131x_adapter *adapter);
+void et131x_rx_dma_disable(struct et131x_adapter *adapter);
+void et131x_rx_dma_enable(struct et131x_adapter *adapter);
+
+void et131x_reset_recv(struct et131x_adapter *adapter);
+
+void et131x_handle_recv_interrupt(struct et131x_adapter *adapter);
+
+/* et131x_tx.c */
+int et131x_tx_dma_memory_alloc(struct et131x_adapter *adapter);
+void et131x_tx_dma_memory_free(struct et131x_adapter *adapter);
+void ConfigTxDmaRegs(struct et131x_adapter *adapter);
+void et131x_init_send(struct et131x_adapter *adapter);
+void et131x_tx_dma_disable(struct et131x_adapter *adapter);
+void et131x_tx_dma_enable(struct et131x_adapter *adapter);
+void et131x_handle_send_interrupt(struct et131x_adapter *adapter);
+void et131x_free_busy_send_packets(struct et131x_adapter *adapter);
+int et131x_send_packets(struct sk_buff *skb, struct net_device *netdev);
+
diff --git a/drivers/staging/et131x/et131x_adapter.h b/drivers/staging/et131x/et131x_adapter.h
index 3f7f37a56b6c..64a678fcb60a 100644
--- a/drivers/staging/et131x/et131x_adapter.h
+++ b/drivers/staging/et131x/et131x_adapter.h
@@ -77,38 +77,11 @@
  */
 #define NUM_TRAFFIC_CLASSES          1
 
-/*
- * There are three ways of counting errors - if there are more than X errors
- * in Y packets (represented by the "SAMPLE" macros), if there are more than
- * N errors in a S mSec time period (the "PERIOD" macros), or if there are
- * consecutive packets with errors (CONSEC_ERRORED_THRESH).  This last covers
- * for "Bursty" errors, and the errored packets may well not be contiguous,
- * but several errors where the packet counter has changed by less than a
- * small amount will cause this count to increment.
- */
-#define TX_PACKETS_IN_SAMPLE        10000
-#define TX_MAX_ERRORS_IN_SAMPLE     50
-
 #define TX_ERROR_PERIOD             1000
-#define TX_MAX_ERRORS_IN_PERIOD     10
-
-#define LINK_DETECTION_TIMER        5000
-
-#define TX_CONSEC_RANGE             5
-#define TX_CONSEC_ERRORED_THRESH    10
 
 #define LO_MARK_PERCENT_FOR_PSR     15
 #define LO_MARK_PERCENT_FOR_RX      15
 
-/* Counters for error rate monitoring */
-typedef struct _MP_ERR_COUNTERS {
-	u32 PktCountTxPackets;
-	u32 PktCountTxErrors;
-	u32 TimerBasedTxErrors;
-	u32 PktCountLastError;
-	u32 ErredConsecPackets;
-} MP_ERR_COUNTERS, *PMP_ERR_COUNTERS;
-
 /* RFD (Receive Frame Descriptor) */
 typedef struct _MP_RFD {
 	struct list_head list_node;
@@ -174,6 +147,20 @@ typedef struct _ce_stats_t {
 	u32 InterruptStatus;
 } CE_STATS_t, *PCE_STATS_t;
 
+typedef struct _MP_POWER_MGMT {
+	/* variable putting the phy into coma mode when boot up with no cable
+	 * plugged in after 5 seconds
+	 */
+	u8 TransPhyComaModeOnBoot;
+
+	/* Next two used to save power information at power down. This
+	 * information will be used during power up to set up parts of Power
+	 * Management in JAGCore
+	 */
+	u16 PowerDownSpeed;
+	u8 PowerDownDuplex;
+} MP_POWER_MGMT, *PMP_POWER_MGMT;
+
 /* The private adapter structure */
 struct et131x_adapter {
 	struct net_device *netdev;
@@ -248,7 +235,7 @@ struct et131x_adapter {
 	struct tx_ring tx_ring;
 
 	/* Rx Memory Variables */
-	RX_RING_t RxRing;
+	struct rx_ring rx_ring;
 
 	/* Loopback specifics */
 	u8 ReplicaPhyLoopbk;	/* Replica Enable */
diff --git a/drivers/staging/et131x/et131x_config.h b/drivers/staging/et131x/et131x_config.h
deleted file mode 100644
index 642c0f6dd6f3..000000000000
--- a/drivers/staging/et131x/et131x_config.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * Agere Systems Inc.
- * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *   http://www.agere.com
- *
- *------------------------------------------------------------------------------
- *
- * et131x_config.h - Defines, structs, enums, prototypes, etc. to support
- *                   et131x_config.c
- *
- *------------------------------------------------------------------------------
- *
- * SOFTWARE LICENSE
- *
- * This software is provided subject to the following terms and conditions,
- * which you should read carefully before using the software.  Using this
- * software indicates your acceptance of these terms and conditions.  If you do
- * not agree with these terms and conditions, do not use the software.
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *
- * Redistribution and use in source or binary forms, with or without
- * modifications, are permitted provided that the following conditions are met:
- *
- * . Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following Disclaimer as comments in the code as
- *    well as in the documentation and/or other materials provided with the
- *    distribution.
- *
- * . Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following Disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * . Neither the name of Agere Systems Inc. nor the names of the contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * Disclaimer
- *
- * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
- * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
- * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- */
-
-#ifndef __ET131X_CONFIG_H__
-#define __ET131X_CONFIG_H__
-
-/* Forward declaration of the private adapter structure */
-struct et131x_adapter;
-
-void et131x_config_parse(struct et131x_adapter *adapter);
-
-#endif /* __ET131X_CONFIG_H__ */
diff --git a/drivers/staging/et131x/et131x_initpci.c b/drivers/staging/et131x/et131x_initpci.c
index 0892b6a538db..5ad7e5a6f631 100644
--- a/drivers/staging/et131x/et131x_initpci.c
+++ b/drivers/staging/et131x/et131x_initpci.c
@@ -87,20 +87,16 @@
 #include <linux/random.h>
 
 #include "et1310_phy.h"
-#include "et1310_pm.h"
-#include "et1310_jagcore.h"
 
 #include "et131x_adapter.h"
-#include "et131x_netdev.h"
-#include "et131x_config.h"
-#include "et131x_isr.h"
 
 #include "et1310_address_map.h"
 #include "et1310_tx.h"
 #include "et1310_rx.h"
-#include "et1310_mac.h"
-#include "et1310_eeprom.h"
+#include "et131x.h"
 
+#define INTERNAL_MEM_SIZE       0x400	/* 1024 of internal memory */
+#define INTERNAL_MEM_RX_OFFSET  0x1FF	/* 50%   Tx, 50%   Rx */
 
 /* Defines for Parameter Default/Min/Max vaules */
 #define PARM_SPEED_DUPLEX_MIN   0
@@ -327,7 +323,7 @@ void et131x_link_detection_handler(unsigned long data)
  */
 void ConfigGlobalRegs(struct et131x_adapter *etdev)
 {
-	struct _GLOBAL_t __iomem *regs = &etdev->regs->global;
+	struct global_regs __iomem *regs = &etdev->regs->global;
 
 	writel(0, &regs->rxq_start_addr);
 	writel(INTERNAL_MEM_SIZE - 1, &regs->txq_end_addr);
diff --git a/drivers/staging/et131x/et131x_initpci.h b/drivers/staging/et131x/et131x_initpci.h
deleted file mode 100644
index 7269569a874b..000000000000
--- a/drivers/staging/et131x/et131x_initpci.h
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Agere Systems Inc.
- * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *   http://www.agere.com
- *
- *------------------------------------------------------------------------------
- *
- * et131x_initpci.h - Header which includes common data and function prototypes
- *                    related to the driver's PCI (and PCI Express) information.
- *
- *------------------------------------------------------------------------------
- *
- * SOFTWARE LICENSE
- *
- * This software is provided subject to the following terms and conditions,
- * which you should read carefully before using the software.  Using this
- * software indicates your acceptance of these terms and conditions.  If you do
- * not agree with these terms and conditions, do not use the software.
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *
- * Redistribution and use in source or binary forms, with or without
- * modifications, are permitted provided that the following conditions are met:
- *
- * . Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following Disclaimer as comments in the code as
- *    well as in the documentation and/or other materials provided with the
- *    distribution.
- *
- * . Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following Disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * . Neither the name of Agere Systems Inc. nor the names of the contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * Disclaimer
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
- * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
- * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- */
-
-#ifndef __ET131X_INITPCI_H__
-#define __ET131X_INITPCI_H__
-
-/* Function Prototypes */
-void et131x_align_allocated_memory(struct et131x_adapter *adapter,
-				   u64 *phys_addr,
-				   u64 *offset, u64 mask);
-
-int et131x_adapter_setup(struct et131x_adapter *adapter);
-int et131x_adapter_memory_alloc(struct et131x_adapter *adapter);
-void et131x_adapter_memory_free(struct et131x_adapter *adapter);
-void et131x_hwaddr_init(struct et131x_adapter *adapter);
-void et131x_soft_reset(struct et131x_adapter *adapter);
-
-#endif /* __ET131X_INITPCI_H__ */
diff --git a/drivers/staging/et131x/et131x_isr.c b/drivers/staging/et131x/et131x_isr.c
index f6d452dd14e2..8b6e0b7ec568 100644
--- a/drivers/staging/et131x/et131x_isr.c
+++ b/drivers/staging/et131x/et131x_isr.c
@@ -85,11 +85,27 @@
 #include <linux/ioport.h>
 
 #include "et1310_phy.h"
-#include "et1310_pm.h"
-#include "et1310_jagcore.h"
-#include "et1310_mac.h"
-
 #include "et131x_adapter.h"
+#include "et131x.h"
+
+/*
+ * For interrupts, normal running is:
+ *       rxdma_xfr_done, phy_interrupt, mac_stat_interrupt,
+ *       watchdog_interrupt & txdma_xfer_done
+ *
+ * In both cases, when flow control is enabled for either Tx or bi-direction,
+ * we additional enable rx_fbr0_low and rx_fbr1_low, so we know when the
+ * buffer rings are running low.
+ */
+#define INT_MASK_DISABLE            0xffffffff
+
+/* NOTE: Masking out MAC_STAT Interrupt for now...
+ * #define INT_MASK_ENABLE             0xfff6bf17
+ * #define INT_MASK_ENABLE_NO_FLOW     0xfff6bfd7
+ */
+#define INT_MASK_ENABLE             0xfffebf17
+#define INT_MASK_ENABLE_NO_FLOW     0xfffebfd7
+
 
 /**
  *	et131x_enable_interrupts	-	enable interrupt
@@ -185,7 +201,7 @@ irqreturn_t et131x_isr(int irq, void *dev_id)
 			if (++tcb->stale > 1)
 				status |= ET_INTR_TXDMA_ISR;
 
-		if (adapter->RxRing.UnfinishedReceives)
+		if (adapter->rx_ring.UnfinishedReceives)
 			status |= ET_INTR_RXDMA_XFR_DONE;
 		else if (tcb == NULL)
 			writel(0, &adapter->regs->global.watchdog_timer);
@@ -390,7 +406,7 @@ void et131x_isr_handler(struct work_struct *work)
 
 		/* Let's move on to the TxMac */
 		if (status & ET_INTR_TXMAC) {
-			u32 err = readl(&iomem->txmac.err.value);
+			u32 err = readl(&iomem->txmac.err);
 
 			/*
 			 * When any of the errors occur and TXMAC generates
@@ -425,12 +441,12 @@ void et131x_isr_handler(struct work_struct *work)
 
 			dev_warn(&etdev->pdev->dev,
 			  "RXMAC interrupt, error 0x%08x.  Requesting reset\n",
-				    readl(&iomem->rxmac.err_reg.value));
+				    readl(&iomem->rxmac.err_reg));
 
 			dev_warn(&etdev->pdev->dev,
 				    "Enable 0x%08x, Diag 0x%08x\n",
-				    readl(&iomem->rxmac.ctrl.value),
-				    readl(&iomem->rxmac.rxq_diag.value));
+				    readl(&iomem->rxmac.ctrl),
+				    readl(&iomem->rxmac.rxq_diag));
 
 			/*
 			 * If we are debugging, we want to see this error,
diff --git a/drivers/staging/et131x/et131x_isr.h b/drivers/staging/et131x/et131x_isr.h
deleted file mode 100644
index 906d57727e20..000000000000
--- a/drivers/staging/et131x/et131x_isr.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Agere Systems Inc.
- * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *   http://www.agere.com
- *
- *------------------------------------------------------------------------------
- *
- * et131x_isr.h - Defines, structs, enums, prototypes, etc. pertaining to the
- *                ISR processing code.
- *
- *------------------------------------------------------------------------------
- *
- * SOFTWARE LICENSE
- *
- * This software is provided subject to the following terms and conditions,
- * which you should read carefully before using the software.  Using this
- * software indicates your acceptance of these terms and conditions.  If you do
- * not agree with these terms and conditions, do not use the software.
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *
- * Redistribution and use in source or binary forms, with or without
- * modifications, are permitted provided that the following conditions are met:
- *
- * . Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following Disclaimer as comments in the code as
- *    well as in the documentation and/or other materials provided with the
- *    distribution.
- *
- * . Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following Disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * . Neither the name of Agere Systems Inc. nor the names of the contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * Disclaimer
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
- * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
- * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- */
-
-#ifndef __ET131X_ISR_H__
-#define __ET131X_ISR_H__
-
-irqreturn_t et131x_isr(int irq, void *dev_id);
-void et131x_isr_handler(struct work_struct *work);
-
-#endif /* __ET131X_ISR_H__ */
diff --git a/drivers/staging/et131x/et131x_netdev.c b/drivers/staging/et131x/et131x_netdev.c
index edb78ae9e593..40f8954dde47 100644
--- a/drivers/staging/et131x/et131x_netdev.c
+++ b/drivers/staging/et131x/et131x_netdev.c
@@ -85,14 +85,9 @@
 #include <linux/ioport.h>
 
 #include "et1310_phy.h"
-#include "et1310_pm.h"
-#include "et1310_jagcore.h"
-#include "et1310_mac.h"
 #include "et1310_tx.h"
-
 #include "et131x_adapter.h"
-#include "et131x_isr.h"
-#include "et131x_initpci.h"
+#include "et131x.h"
 
 struct net_device_stats *et131x_stats(struct net_device *netdev);
 int et131x_open(struct net_device *netdev);
@@ -339,66 +334,64 @@ int et131x_ioctl(struct net_device *netdev, struct ifreq *reqbuf, int cmd)
  * et131x_set_packet_filter - Configures the Rx Packet filtering on the device
  * @adapter: pointer to our private adapter structure
  *
+ * FIXME: lot of dups with MAC code
+ *
  * Returns 0 on success, errno on failure
  */
 int et131x_set_packet_filter(struct et131x_adapter *adapter)
 {
 	int status = 0;
 	uint32_t filter = adapter->PacketFilter;
-	RXMAC_CTRL_t ctrl;
-	RXMAC_PF_CTRL_t pf_ctrl;
+	u32 ctrl;
+	u32 pf_ctrl;
 
-	ctrl.value = readl(&adapter->regs->rxmac.ctrl.value);
-	pf_ctrl.value = readl(&adapter->regs->rxmac.pf_ctrl.value);
+	ctrl = readl(&adapter->regs->rxmac.ctrl);
+	pf_ctrl = readl(&adapter->regs->rxmac.pf_ctrl);
 
 	/* Default to disabled packet filtering.  Enable it in the individual
 	 * case statements that require the device to filter something
 	 */
-	ctrl.bits.pkt_filter_disable = 1;
+	ctrl |= 0x04;
 
 	/* Set us to be in promiscuous mode so we receive everything, this
 	 * is also true when we get a packet filter of 0
 	 */
-	if ((filter & ET131X_PACKET_TYPE_PROMISCUOUS) || filter == 0) {
-		pf_ctrl.bits.filter_broad_en = 0;
-		pf_ctrl.bits.filter_multi_en = 0;
-		pf_ctrl.bits.filter_uni_en = 0;
-	} else {
+	if ((filter & ET131X_PACKET_TYPE_PROMISCUOUS) || filter == 0)
+		pf_ctrl &= ~7;	/* Clear filter bits */
+	else {
 		/*
 		 * Set us up with Multicast packet filtering.  Three cases are
 		 * possible - (1) we have a multi-cast list, (2) we receive ALL
 		 * multicast entries or (3) we receive none.
 		 */
-		if (filter & ET131X_PACKET_TYPE_ALL_MULTICAST) {
-			pf_ctrl.bits.filter_multi_en = 0;
-		} else {
+		if (filter & ET131X_PACKET_TYPE_ALL_MULTICAST)
+			pf_ctrl &= ~2;	/* Multicast filter bit */
+		else {
 			SetupDeviceForMulticast(adapter);
-			pf_ctrl.bits.filter_multi_en = 1;
-			ctrl.bits.pkt_filter_disable = 0;
+			pf_ctrl |= 2;
+			ctrl &= ~0x04;
 		}
 
 		/* Set us up with Unicast packet filtering */
 		if (filter & ET131X_PACKET_TYPE_DIRECTED) {
 			SetupDeviceForUnicast(adapter);
-			pf_ctrl.bits.filter_uni_en = 1;
-			ctrl.bits.pkt_filter_disable = 0;
+			pf_ctrl |= 4;
+			ctrl &= ~0x04;
 		}
 
 		/* Set us up with Broadcast packet filtering */
 		if (filter & ET131X_PACKET_TYPE_BROADCAST) {
-			pf_ctrl.bits.filter_broad_en = 1;
-			ctrl.bits.pkt_filter_disable = 0;
-		} else {
-			pf_ctrl.bits.filter_broad_en = 0;
-		}
+			pf_ctrl |= 1;	/* Broadcast filter bit */
+			ctrl &= ~0x04;
+		} else
+			pf_ctrl &= ~1;
 
 		/* Setup the receive mac configuration registers - Packet
 		 * Filter control + the enable / disable for packet filter
 		 * in the control reg.
 		 */
-		writel(pf_ctrl.value,
-		       &adapter->regs->rxmac.pf_ctrl.value);
-		writel(ctrl.value, &adapter->regs->rxmac.ctrl.value);
+		writel(pf_ctrl, &adapter->regs->rxmac.pf_ctrl);
+		writel(ctrl, &adapter->regs->rxmac.ctrl);
 	}
 	return status;
 }
@@ -675,12 +668,8 @@ int et131x_set_mac_addr(struct net_device *netdev, void *new_mac)
 
 	memcpy(netdev->dev_addr, address->sa_data, netdev->addr_len);
 
-	printk(KERN_INFO
-		"%s: Setting MAC address to %02x:%02x:%02x:%02x:%02x:%02x\n",
-			netdev->name,
-			netdev->dev_addr[0], netdev->dev_addr[1],
-			netdev->dev_addr[2], netdev->dev_addr[3],
-			netdev->dev_addr[4], netdev->dev_addr[5]);
+	printk(KERN_INFO "%s: Setting MAC address to %pM\n",
+			netdev->name, netdev->dev_addr);
 
 	/* Free Rx DMA memory */
 	et131x_adapter_memory_free(adapter);
diff --git a/drivers/staging/et131x/et131x_netdev.h b/drivers/staging/et131x/et131x_netdev.h
deleted file mode 100644
index 1eb4a922c01d..000000000000
--- a/drivers/staging/et131x/et131x_netdev.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Agere Systems Inc.
- * 10/100/1000 Base-T Ethernet Driver for the ET1301 and ET131x series MACs
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *   http://www.agere.com
- *
- *------------------------------------------------------------------------------
- *
- * et131x_netdev.h - Defines, structs, enums, prototypes, etc. related to the
- *                   driver's net_device support.
- *
- *------------------------------------------------------------------------------
- *
- * SOFTWARE LICENSE
- *
- * This software is provided subject to the following terms and conditions,
- * which you should read carefully before using the software.  Using this
- * software indicates your acceptance of these terms and conditions.  If you do
- * not agree with these terms and conditions, do not use the software.
- *
- * Copyright © 2005 Agere Systems Inc.
- * All rights reserved.
- *
- * Redistribution and use in source or binary forms, with or without
- * modifications, are permitted provided that the following conditions are met:
- *
- * . Redistributions of source code must retain the above copyright notice, this
- *    list of conditions and the following Disclaimer as comments in the code as
- *    well as in the documentation and/or other materials provided with the
- *    distribution.
- *
- * . Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following Disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- *
- * . Neither the name of Agere Systems Inc. nor the names of the contributors
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * Disclaimer
- *
- * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
- * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  ANY
- * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN
- * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- */
-
-#ifndef __ET131X_NETDEV_H__
-#define __ET131X_NETDEV_H__
-
-struct net_device *et131x_device_alloc(void);
-
-#endif /* __ET131X_NETDEV_H__ */
diff --git a/drivers/staging/et131x/et131x_version.h b/drivers/staging/et131x/et131x_version.h
index 568f6c8c34f5..2aa9bda44ac0 100644
--- a/drivers/staging/et131x/et131x_version.h
+++ b/drivers/staging/et131x/et131x_version.h
@@ -62,20 +62,13 @@
 #define DRIVER_LICENSE		"Dual BSD/GPL"
 #define DRIVER_DEVICE_STRING	"ET1310"
 #define DRIVER_NAME		"et131x"
-#define DRIVER_MAJOR_VERSION	1
-#define DRIVER_MINOR_VERSION	2
-#define DRIVER_PATCH_VERSION	3
-#define DRIVER_VERSION_STRING	"1.2.3"
+#define DRIVER_VERSION_STRING	"1.2.3-lk"
 #define DRIVER_VENDOR		"Agere Systems, http://www.agere.com"
 #define DRIVER_DESC		"10/100/1000 Base-T Ethernet Driver"
 
-#define STRUCT_MODULE		"net"	/* blux: missed by the kernel */
-
 #define DRIVER_INFO		DRIVER_DESC " for the "\
 				DRIVER_DEVICE_STRING ", v" \
 				DRIVER_VERSION_STRING " by " \
 				DRIVER_VENDOR
 
-#define DRIVER_NAME_EXT		"et131x.ko"
-
 #endif /* __ET131X_VERSION_H__ */
diff --git a/drivers/staging/frontier/alphatrack.c b/drivers/staging/frontier/alphatrack.c
index 15aed87fe1bb..a50a21518a8e 100644
--- a/drivers/staging/frontier/alphatrack.c
+++ b/drivers/staging/frontier/alphatrack.c
@@ -58,7 +58,7 @@
 #endif
 
 /* table of devices that work with this driver */
-static struct usb_device_id usb_alphatrack_table[] = {
+static const struct usb_device_id usb_alphatrack_table[] = {
 	{USB_DEVICE(VENDOR_ID, PRODUCT_ID)},
 	{}			/* Terminating entry */
 };
diff --git a/drivers/staging/frontier/tranzport.c b/drivers/staging/frontier/tranzport.c
index ef8fcc8c67bd..2f03f43f3a2e 100644
--- a/drivers/staging/frontier/tranzport.c
+++ b/drivers/staging/frontier/tranzport.c
@@ -55,7 +55,7 @@
 #endif
 
 /* table of devices that work with this driver */
-static struct usb_device_id usb_tranzport_table[] = {
+static const struct usb_device_id usb_tranzport_table[] = {
 	{USB_DEVICE(VENDOR_ID, PRODUCT_ID)},
 	{}			/* Terminating entry */
 };
diff --git a/drivers/staging/go7007/go7007-driver.c b/drivers/staging/go7007/go7007-driver.c
index fb1345ffb858..d42ba1696999 100644
--- a/drivers/staging/go7007/go7007-driver.c
+++ b/drivers/staging/go7007/go7007-driver.c
@@ -128,6 +128,8 @@ static int go7007_load_encoder(struct go7007 *go)
 	return rv;
 }
 
+MODULE_FIRMWARE("go7007fw.bin");
+
 /*
  * Boot the encoder and register the I2C adapter if requested.  Do the
  * minimum initialization necessary, since the board-specific code may
diff --git a/drivers/staging/go7007/go7007-usb.c b/drivers/staging/go7007/go7007-usb.c
index 1e89dc04ec23..ee278f64a16b 100644
--- a/drivers/staging/go7007/go7007-usb.c
+++ b/drivers/staging/go7007/go7007-usb.c
@@ -444,7 +444,9 @@ static struct go7007_usb_board board_sensoray_2250 = {
 	},
 };
 
-static struct usb_device_id go7007_usb_id_table[] = {
+MODULE_FIRMWARE("go7007tv.bin");
+
+static const struct usb_device_id go7007_usb_id_table[] = {
 	{
 		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
 					USB_DEVICE_ID_MATCH_INT_INFO,
diff --git a/drivers/staging/go7007/s2250-board.c b/drivers/staging/go7007/s2250-board.c
index c324f6ea002b..dc89502ea1b7 100644
--- a/drivers/staging/go7007/s2250-board.c
+++ b/drivers/staging/go7007/s2250-board.c
@@ -667,7 +667,7 @@ static int s2250_remove(struct i2c_client *client)
 	return 0;
 }
 
-static struct i2c_device_id s2250_id[] = {
+static const struct i2c_device_id s2250_id[] = {
 	{ "s2250", 0 },
 	{ }
 };
diff --git a/drivers/staging/go7007/s2250-loader.c b/drivers/staging/go7007/s2250-loader.c
index c152ab9be2fb..1de2dfb16d3f 100644
--- a/drivers/staging/go7007/s2250-loader.c
+++ b/drivers/staging/go7007/s2250-loader.c
@@ -139,7 +139,7 @@ failed2:
 
 static void s2250loader_disconnect(struct usb_interface *interface)
 {
-	pdevice_extension_t s = usb_get_intfdata(interface);
+	pdevice_extension_t s;
 	printk(KERN_INFO "s2250: disconnect\n");
 	lock_kernel();
 	s = usb_get_intfdata(interface);
@@ -148,7 +148,7 @@ static void s2250loader_disconnect(struct usb_interface *interface)
 	unlock_kernel();
 }
 
-static struct usb_device_id s2250loader_ids[] = {
+static const struct usb_device_id s2250loader_ids[] = {
 	{USB_DEVICE(0x1943, 0xa250)},
 	{}                          /* Terminating entry */
 };
diff --git a/drivers/staging/go7007/saa7134-go7007.c b/drivers/staging/go7007/saa7134-go7007.c
index 665bbf59d026..b25d7d2090e1 100644
--- a/drivers/staging/go7007/saa7134-go7007.c
+++ b/drivers/staging/go7007/saa7134-go7007.c
@@ -84,6 +84,7 @@ static struct go7007_board_info board_voyager = {
 		},
 	},
 };
+MODULE_FIRMWARE("go7007tv.bin");
 
 /********************* Driver for GPIO HPI interface *********************/
 
diff --git a/drivers/staging/go7007/wis-ov7640.c b/drivers/staging/go7007/wis-ov7640.c
index 04d6d3a498a3..4f0cbdde2765 100644
--- a/drivers/staging/go7007/wis-ov7640.c
+++ b/drivers/staging/go7007/wis-ov7640.c
@@ -77,7 +77,7 @@ static int wis_ov7640_remove(struct i2c_client *client)
 	return 0;
 }
 
-static struct i2c_device_id wis_ov7640_id[] = {
+static const struct i2c_device_id wis_ov7640_id[] = {
 	{ "wis_ov7640", 0 },
 	{ }
 };
diff --git a/drivers/staging/go7007/wis-saa7113.c b/drivers/staging/go7007/wis-saa7113.c
index 9ab893bd204e..d196e16fe72b 100644
--- a/drivers/staging/go7007/wis-saa7113.c
+++ b/drivers/staging/go7007/wis-saa7113.c
@@ -304,7 +304,7 @@ static int wis_saa7113_remove(struct i2c_client *client)
 	return 0;
 }
 
-static struct i2c_device_id wis_saa7113_id[] = {
+static const struct i2c_device_id wis_saa7113_id[] = {
 	{ "wis_saa7113", 0 },
 	{ }
 };
diff --git a/drivers/staging/go7007/wis-saa7115.c b/drivers/staging/go7007/wis-saa7115.c
index 8687ad2de761..0f2b4a0ceccf 100644
--- a/drivers/staging/go7007/wis-saa7115.c
+++ b/drivers/staging/go7007/wis-saa7115.c
@@ -437,7 +437,7 @@ static int wis_saa7115_remove(struct i2c_client *client)
 	return 0;
 }
 
-static struct i2c_device_id wis_saa7115_id[] = {
+static const struct i2c_device_id wis_saa7115_id[] = {
 	{ "wis_saa7115", 0 },
 	{ }
 };
diff --git a/drivers/staging/go7007/wis-sony-tuner.c b/drivers/staging/go7007/wis-sony-tuner.c
index 086896cec49b..c723e4aa7147 100644
--- a/drivers/staging/go7007/wis-sony-tuner.c
+++ b/drivers/staging/go7007/wis-sony-tuner.c
@@ -688,7 +688,7 @@ static int wis_sony_tuner_remove(struct i2c_client *client)
 	return 0;
 }
 
-static struct i2c_device_id wis_sony_tuner_id[] = {
+static const struct i2c_device_id wis_sony_tuner_id[] = {
 	{ "wis_sony_tuner", 0 },
 	{ }
 };
diff --git a/drivers/staging/go7007/wis-tw2804.c b/drivers/staging/go7007/wis-tw2804.c
index e15794a2a0ae..1983839f554d 100644
--- a/drivers/staging/go7007/wis-tw2804.c
+++ b/drivers/staging/go7007/wis-tw2804.c
@@ -327,7 +327,7 @@ static int wis_tw2804_remove(struct i2c_client *client)
 	return 0;
 }
 
-static struct i2c_device_id wis_tw2804_id[] = {
+static const struct i2c_device_id wis_tw2804_id[] = {
 	{ "wis_tw2804", 0 },
 	{ }
 };
diff --git a/drivers/staging/go7007/wis-tw9903.c b/drivers/staging/go7007/wis-tw9903.c
index 506dca6e942e..f97e2be3c0b5 100644
--- a/drivers/staging/go7007/wis-tw9903.c
+++ b/drivers/staging/go7007/wis-tw9903.c
@@ -309,7 +309,7 @@ static int wis_tw9903_remove(struct i2c_client *client)
 	return 0;
 }
 
-static struct i2c_device_id wis_tw9903_id[] = {
+static const struct i2c_device_id wis_tw9903_id[] = {
 	{ "wis_tw9903", 0 },
 	{ }
 };
diff --git a/drivers/staging/go7007/wis-uda1342.c b/drivers/staging/go7007/wis-uda1342.c
index 739c7ae8913f..5c4eb49d7357 100644
--- a/drivers/staging/go7007/wis-uda1342.c
+++ b/drivers/staging/go7007/wis-uda1342.c
@@ -82,7 +82,7 @@ static int wis_uda1342_remove(struct i2c_client *client)
 	return 0;
 }
 
-static struct i2c_device_id wis_uda1342_id[] = {
+static const struct i2c_device_id wis_uda1342_id[] = {
 	{ "wis_uda1342", 0 },
 	{ }
 };
diff --git a/drivers/staging/hv/Channel.c b/drivers/staging/hv/Channel.c
index 746370e82115..d46eb145484f 100644
--- a/drivers/staging/hv/Channel.c
+++ b/drivers/staging/hv/Channel.c
@@ -991,9 +991,8 @@ void VmbusChannelOnTimer(unsigned long data)
 {
 	struct vmbus_channel *channel = (struct vmbus_channel *)data;
 
-	if (channel->OnChannelCallback) {
+	if (channel->OnChannelCallback)
 		channel->OnChannelCallback(channel->ChannelCallbackContext);
-	}
 }
 
 /**
diff --git a/drivers/staging/hv/Hv.c b/drivers/staging/hv/Hv.c
index c2809f2a2ce0..51149e69f3e8 100644
--- a/drivers/staging/hv/Hv.c
+++ b/drivers/staging/hv/Hv.c
@@ -208,50 +208,51 @@ int HvInit(void)
 	/* HvQueryHypervisorFeatures(maxLeaf); */
 
 	/*
-	 * Determine if we are running on xenlinux (ie x2v shim) or native
-	 * linux
+	 * We only support running on top of Hyper-V
 	 */
 	rdmsrl(HV_X64_MSR_GUEST_OS_ID, gHvContext.GuestId);
-	if (gHvContext.GuestId == 0) {
-		/* Write our OS info */
-		wrmsrl(HV_X64_MSR_GUEST_OS_ID, HV_LINUX_GUEST_ID);
-		gHvContext.GuestId = HV_LINUX_GUEST_ID;
+
+	if (gHvContext.GuestId != 0) {
+		DPRINT_ERR(VMBUS, "Unknown guest id (0x%llx)!!",
+				gHvContext.GuestId);
+		goto Cleanup;
 	}
 
+	/* Write our OS info */
+	wrmsrl(HV_X64_MSR_GUEST_OS_ID, HV_LINUX_GUEST_ID);
+	gHvContext.GuestId = HV_LINUX_GUEST_ID;
+
 	/* See if the hypercall page is already set */
 	rdmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
-	if (gHvContext.GuestId == HV_LINUX_GUEST_ID) {
-		/* Allocate the hypercall page memory */
-		/* virtAddr = osd_PageAlloc(1); */
-		virtAddr = osd_VirtualAllocExec(PAGE_SIZE);
-
-		if (!virtAddr) {
-			DPRINT_ERR(VMBUS,
-				   "unable to allocate hypercall page!!");
-			goto Cleanup;
-		}
 
-		hypercallMsr.Enable = 1;
-		/* hypercallMsr.GuestPhysicalAddress =
-		 * 		virt_to_phys(virtAddr) >> PAGE_SHIFT; */
-		hypercallMsr.GuestPhysicalAddress = vmalloc_to_pfn(virtAddr);
-		wrmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
+	/*
+	* Allocate the hypercall page memory
+	* virtAddr = osd_PageAlloc(1);
+	*/
+	virtAddr = osd_VirtualAllocExec(PAGE_SIZE);
 
-		/* Confirm that hypercall page did get setup. */
-		hypercallMsr.AsUINT64 = 0;
-		rdmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
-		if (!hypercallMsr.Enable) {
-			DPRINT_ERR(VMBUS, "unable to set hypercall page!!");
-			goto Cleanup;
-		}
+	if (!virtAddr) {
+		DPRINT_ERR(VMBUS,
+			   "unable to allocate hypercall page!!");
+		goto Cleanup;
+	}
 
-		gHvContext.HypercallPage = virtAddr;
-	} else {
-		DPRINT_ERR(VMBUS, "Unknown guest id (0x%llx)!!",
-				gHvContext.GuestId);
+	hypercallMsr.Enable = 1;
+
+	hypercallMsr.GuestPhysicalAddress = vmalloc_to_pfn(virtAddr);
+	wrmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
+
+	/* Confirm that hypercall page did get setup. */
+	hypercallMsr.AsUINT64 = 0;
+	rdmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
+
+	if (!hypercallMsr.Enable) {
+		DPRINT_ERR(VMBUS, "unable to set hypercall page!!");
 		goto Cleanup;
 	}
 
+	gHvContext.HypercallPage = virtAddr;
+
 	DPRINT_INFO(VMBUS, "Hypercall page VA=%p, PA=0x%0llx",
 		    gHvContext.HypercallPage,
 		    (u64)hypercallMsr.GuestPhysicalAddress << PAGE_SHIFT);
@@ -273,8 +274,6 @@ int HvInit(void)
 	gHvContext.SignalEventParam->FlagNumber = 0;
 	gHvContext.SignalEventParam->RsvdZ = 0;
 
-	/* DPRINT_DBG(VMBUS, "My id %llu", HvGetCurrentPartitionId()); */
-
 	DPRINT_EXIT(VMBUS);
 
 	return ret;
@@ -311,17 +310,14 @@ void HvCleanup(void)
 		kfree(gHvContext.SignalEventBuffer);
 	}
 
-	if (gHvContext.GuestId == HV_LINUX_GUEST_ID) {
-		if (gHvContext.HypercallPage) {
-			hypercallMsr.AsUINT64 = 0;
-			wrmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
-			vfree(gHvContext.HypercallPage);
-			gHvContext.HypercallPage = NULL;
-		}
+	if (gHvContext.HypercallPage) {
+		hypercallMsr.AsUINT64 = 0;
+		wrmsrl(HV_X64_MSR_HYPERCALL, hypercallMsr.AsUINT64);
+		vfree(gHvContext.HypercallPage);
+		gHvContext.HypercallPage = NULL;
 	}
 
 	DPRINT_EXIT(VMBUS);
-
 }
 
 /**
@@ -393,7 +389,7 @@ void HvSynicInit(void *irqarg)
 	union hv_synic_siefp siefp;
 	union hv_synic_sint sharedSint;
 	union hv_synic_scontrol sctrl;
-	u64 guestID;
+
 	u32 irqVector = *((u32 *)(irqarg));
 	int cpu = smp_processor_id();
 
@@ -409,71 +405,41 @@ void HvSynicInit(void *irqarg)
 
 	DPRINT_INFO(VMBUS, "SynIC version: %llx", version);
 
-	/* TODO: Handle SMP */
-	if (gHvContext.GuestId == HV_XENLINUX_GUEST_ID) {
-		DPRINT_INFO(VMBUS, "Skipping SIMP and SIEFP setup since "
-				"it is already set.");
-
-		rdmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
-		rdmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
-
-		DPRINT_DBG(VMBUS, "Simp: %llx, Sifep: %llx",
-			   simp.AsUINT64, siefp.AsUINT64);
-
-		/*
-		 * Determine if we are running on xenlinux (ie x2v shim) or
-		 * native linux
-		 */
-		rdmsrl(HV_X64_MSR_GUEST_OS_ID, guestID);
-		if (guestID == HV_LINUX_GUEST_ID) {
-			gHvContext.synICMessagePage[cpu] =
-				phys_to_virt(simp.BaseSimpGpa << PAGE_SHIFT);
-			gHvContext.synICEventPage[cpu] =
-				phys_to_virt(siefp.BaseSiefpGpa << PAGE_SHIFT);
-		} else {
-			DPRINT_ERR(VMBUS, "unknown guest id!!");
-			goto Cleanup;
-		}
-		DPRINT_DBG(VMBUS, "MAPPED: Simp: %p, Sifep: %p",
-			   gHvContext.synICMessagePage[cpu],
-			   gHvContext.synICEventPage[cpu]);
-	} else {
-		gHvContext.synICMessagePage[cpu] = (void *)get_zeroed_page(GFP_ATOMIC);
-		if (gHvContext.synICMessagePage[cpu] == NULL) {
-			DPRINT_ERR(VMBUS,
-				   "unable to allocate SYNIC message page!!");
-			goto Cleanup;
-		}
+	gHvContext.synICMessagePage[cpu] = (void *)get_zeroed_page(GFP_ATOMIC);
 
-		gHvContext.synICEventPage[cpu] = (void *)get_zeroed_page(GFP_ATOMIC);
-		if (gHvContext.synICEventPage[cpu] == NULL) {
-			DPRINT_ERR(VMBUS,
-				   "unable to allocate SYNIC event page!!");
-			goto Cleanup;
-		}
+	if (gHvContext.synICMessagePage[cpu] == NULL) {
+		DPRINT_ERR(VMBUS,
+			   "unable to allocate SYNIC message page!!");
+		goto Cleanup;
+	}
 
-		/* Setup the Synic's message page */
-		rdmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
-		simp.SimpEnabled = 1;
-		simp.BaseSimpGpa = virt_to_phys(gHvContext.synICMessagePage[cpu])
-					>> PAGE_SHIFT;
+	gHvContext.synICEventPage[cpu] = (void *)get_zeroed_page(GFP_ATOMIC);
 
-		DPRINT_DBG(VMBUS, "HV_X64_MSR_SIMP msr set to: %llx",
-				simp.AsUINT64);
+	if (gHvContext.synICEventPage[cpu] == NULL) {
+		DPRINT_ERR(VMBUS,
+			   "unable to allocate SYNIC event page!!");
+		goto Cleanup;
+	}
 
-		wrmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
+	/* Setup the Synic's message page */
+	rdmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
+	simp.SimpEnabled = 1;
+	simp.BaseSimpGpa = virt_to_phys(gHvContext.synICMessagePage[cpu])
+		>> PAGE_SHIFT;
 
-		/* Setup the Synic's event page */
-		rdmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
-		siefp.SiefpEnabled = 1;
-		siefp.BaseSiefpGpa = virt_to_phys(gHvContext.synICEventPage[cpu])
-					>> PAGE_SHIFT;
+	DPRINT_DBG(VMBUS, "HV_X64_MSR_SIMP msr set to: %llx", simp.AsUINT64);
 
-		DPRINT_DBG(VMBUS, "HV_X64_MSR_SIEFP msr set to: %llx",
-				siefp.AsUINT64);
+	wrmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
 
-		wrmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
-	}
+	/* Setup the Synic's event page */
+	rdmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
+	siefp.SiefpEnabled = 1;
+	siefp.BaseSiefpGpa = virt_to_phys(gHvContext.synICEventPage[cpu])
+		>> PAGE_SHIFT;
+
+	DPRINT_DBG(VMBUS, "HV_X64_MSR_SIEFP msr set to: %llx", siefp.AsUINT64);
+
+	wrmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
 
 	/* Setup the interception SINT. */
 	/* wrmsrl((HV_X64_MSR_SINT0 + HV_SYNIC_INTERCEPTION_SINT_INDEX), */
@@ -505,13 +471,11 @@ void HvSynicInit(void *irqarg)
 	return;
 
 Cleanup:
-	if (gHvContext.GuestId == HV_LINUX_GUEST_ID) {
-		if (gHvContext.synICEventPage[cpu])
-			osd_PageFree(gHvContext.synICEventPage[cpu], 1);
+	if (gHvContext.synICEventPage[cpu])
+		osd_PageFree(gHvContext.synICEventPage[cpu], 1);
 
-		if (gHvContext.synICMessagePage[cpu])
-			osd_PageFree(gHvContext.synICMessagePage[cpu], 1);
-	}
+	if (gHvContext.synICMessagePage[cpu])
+		osd_PageFree(gHvContext.synICMessagePage[cpu], 1);
 
 	DPRINT_EXIT(VMBUS);
 	return;
@@ -542,27 +506,20 @@ void HvSynicCleanup(void *arg)
 	/* Disable the interrupt */
 	wrmsrl(HV_X64_MSR_SINT0 + VMBUS_MESSAGE_SINT, sharedSint.AsUINT64);
 
-	/*
-	 * Disable and free the resources only if we are running as
-	 * native linux since in xenlinux, we are sharing the
-	 * resources with the x2v shim
-	 */
-	if (gHvContext.GuestId == HV_LINUX_GUEST_ID) {
-		rdmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
-		simp.SimpEnabled = 0;
-		simp.BaseSimpGpa = 0;
+	rdmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
+	simp.SimpEnabled = 0;
+	simp.BaseSimpGpa = 0;
 
-		wrmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
+	wrmsrl(HV_X64_MSR_SIMP, simp.AsUINT64);
 
-		rdmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
-		siefp.SiefpEnabled = 0;
-		siefp.BaseSiefpGpa = 0;
+	rdmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
+	siefp.SiefpEnabled = 0;
+	siefp.BaseSiefpGpa = 0;
 
-		wrmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
+	wrmsrl(HV_X64_MSR_SIEFP, siefp.AsUINT64);
 
-		osd_PageFree(gHvContext.synICMessagePage[cpu], 1);
-		osd_PageFree(gHvContext.synICEventPage[cpu], 1);
-	}
+	osd_PageFree(gHvContext.synICMessagePage[cpu], 1);
+	osd_PageFree(gHvContext.synICEventPage[cpu], 1);
 
 	DPRINT_EXIT(VMBUS);
 }
diff --git a/drivers/staging/hv/Hv.h b/drivers/staging/hv/Hv.h
index fce4b5cdac30..41f5ebb86e17 100644
--- a/drivers/staging/hv/Hv.h
+++ b/drivers/staging/hv/Hv.h
@@ -41,11 +41,6 @@ enum {
 
 #define HV_PRESENT_BIT			0x80000000
 
-#define HV_XENLINUX_GUEST_ID_LO		0x00000000
-#define HV_XENLINUX_GUEST_ID_HI		0x0B00B135
-#define HV_XENLINUX_GUEST_ID		(((u64)HV_XENLINUX_GUEST_ID_HI << 32) \
-					  | HV_XENLINUX_GUEST_ID_LO)
-
 #define HV_LINUX_GUEST_ID_LO		0x00000000
 #define HV_LINUX_GUEST_ID_HI		0xB16B00B5
 #define HV_LINUX_GUEST_ID		(((u64)HV_LINUX_GUEST_ID_HI << 32) | \
@@ -102,8 +97,9 @@ struct hv_input_signal_event_buffer {
 };
 
 struct hv_context {
-	/* XenLinux or native Linux. If XenLinux, the hypercall and synic pages
-	 * has already been initialized */
+	/* We only support running on top of Hyper-V
+	* So at this point this really can only contain the Hyper-V ID
+	*/
 	u64 GuestId;
 
 	void *HypercallPage;
diff --git a/drivers/staging/hv/NetVscApi.h b/drivers/staging/hv/NetVscApi.h
index 1ce2b74a34a7..95d7a32b12f2 100644
--- a/drivers/staging/hv/NetVscApi.h
+++ b/drivers/staging/hv/NetVscApi.h
@@ -105,8 +105,6 @@ struct netvsc_driver {
 	void (*OnLinkStatusChanged)(struct hv_device *dev, u32 Status);
 
 	/* Specific to this driver */
-	int (*OnOpen)(struct hv_device *dev);
-	int (*OnClose)(struct hv_device *dev);
 	int (*OnSend)(struct hv_device *dev, struct hv_netvsc_packet *packet);
 
 	void *Context;
@@ -119,5 +117,7 @@ struct netvsc_device_info {
 
 /* Interface */
 int NetVscInitialize(struct hv_driver *drv);
+int RndisFilterOnOpen(struct hv_device *Device);
+int RndisFilterOnClose(struct hv_device *Device);
 
 #endif /* _NETVSC_API_H_ */
diff --git a/drivers/staging/hv/RingBuffer.c b/drivers/staging/hv/RingBuffer.c
index f69ae33a91e3..80b8a2c7784f 100644
--- a/drivers/staging/hv/RingBuffer.c
+++ b/drivers/staging/hv/RingBuffer.c
@@ -48,7 +48,7 @@ Description:
 static inline void
 GetRingBufferAvailBytes(RING_BUFFER_INFO *rbi, u32 *read, u32 *write)
 {
-	u32 read_loc,write_loc;
+	u32 read_loc, write_loc;
 
 	/* Capture the read/write indices before they changed */
 	read_loc = rbi->RingBuffer->ReadIndex;
@@ -68,7 +68,7 @@ Description:
 
 --*/
 static inline u32
-GetNextWriteLocation(RING_BUFFER_INFO* RingInfo)
+GetNextWriteLocation(RING_BUFFER_INFO *RingInfo)
 {
 	u32 next = RingInfo->RingBuffer->WriteIndex;
 
@@ -87,7 +87,7 @@ Description:
 
 --*/
 static inline void
-SetNextWriteLocation(RING_BUFFER_INFO* RingInfo, u32 NextWriteLocation)
+SetNextWriteLocation(RING_BUFFER_INFO *RingInfo, u32 NextWriteLocation)
 {
 	RingInfo->RingBuffer->WriteIndex = NextWriteLocation;
 }
@@ -102,7 +102,7 @@ Description:
 
 --*/
 static inline u32
-GetNextReadLocation(RING_BUFFER_INFO* RingInfo)
+GetNextReadLocation(RING_BUFFER_INFO *RingInfo)
 {
 	u32 next = RingInfo->RingBuffer->ReadIndex;
 
@@ -122,7 +122,7 @@ Description:
 
 --*/
 static inline u32
-GetNextReadLocationWithOffset(RING_BUFFER_INFO* RingInfo, u32 Offset)
+GetNextReadLocationWithOffset(RING_BUFFER_INFO *RingInfo, u32 Offset)
 {
 	u32 next = RingInfo->RingBuffer->ReadIndex;
 
@@ -143,7 +143,7 @@ Description:
 
 --*/
 static inline void
-SetNextReadLocation(RING_BUFFER_INFO* RingInfo, u32 NextReadLocation)
+SetNextReadLocation(RING_BUFFER_INFO *RingInfo, u32 NextReadLocation)
 {
 	RingInfo->RingBuffer->ReadIndex = NextReadLocation;
 }
@@ -159,7 +159,7 @@ Description:
 
 --*/
 static inline void *
-GetRingBuffer(RING_BUFFER_INFO* RingInfo)
+GetRingBuffer(RING_BUFFER_INFO *RingInfo)
 {
 	return (void *)RingInfo->RingBuffer->Buffer;
 }
@@ -175,7 +175,7 @@ Description:
 
 --*/
 static inline u32
-GetRingBufferSize(RING_BUFFER_INFO* RingInfo)
+GetRingBufferSize(RING_BUFFER_INFO *RingInfo)
 {
 	return RingInfo->RingDataSize;
 }
@@ -190,9 +190,10 @@ Description:
 
 --*/
 static inline u64
-GetRingBufferIndices(RING_BUFFER_INFO* RingInfo)
+GetRingBufferIndices(RING_BUFFER_INFO *RingInfo)
 {
-	return ((u64)RingInfo->RingBuffer->WriteIndex << 32) || RingInfo->RingBuffer->ReadIndex;
+	return ((u64)RingInfo->RingBuffer->WriteIndex << 32)
+	|| RingInfo->RingBuffer->ReadIndex;
 }
 
 
@@ -210,9 +211,14 @@ void DumpRingInfo(RING_BUFFER_INFO *RingInfo, char *Prefix)
 	u32 bytesAvailToWrite;
 	u32 bytesAvailToRead;
 
-	GetRingBufferAvailBytes(RingInfo, &bytesAvailToRead, &bytesAvailToWrite);
+	GetRingBufferAvailBytes(RingInfo,
+	&bytesAvailToRead,
+	&bytesAvailToWrite);
 
-	DPRINT(VMBUS, DEBUG_RING_LVL, "%s <<ringinfo %p buffer %p avail write %u avail read %u read idx %u write idx %u>>",
+	DPRINT(VMBUS,
+		DEBUG_RING_LVL,
+		"%s <<ringinfo %p buffer %p avail write %u "
+		"avail read %u read idx %u write idx %u>>",
 		Prefix,
 		RingInfo,
 		RingInfo->RingBuffer->Buffer,
@@ -229,13 +235,13 @@ static u32
 CopyToRingBuffer(
 	RING_BUFFER_INFO	*RingInfo,
 	u32				StartWriteOffset,
-	void *				Src,
+	void				*Src,
 	u32				SrcLen);
 
 static u32
 CopyFromRingBuffer(
 	RING_BUFFER_INFO	*RingInfo,
-	void *				Dest,
+	void				*Dest,
 	u32				DestLen,
 	u32				StartReadOffset);
 
@@ -256,15 +262,15 @@ void RingBufferGetDebugInfo(RING_BUFFER_INFO *RingInfo,
 	u32 bytesAvailToWrite;
 	u32 bytesAvailToRead;
 
-	if (RingInfo->RingBuffer)
-	{
-		GetRingBufferAvailBytes(RingInfo, &bytesAvailToRead, &bytesAvailToWrite);
+	if (RingInfo->RingBuffer) {
+		GetRingBufferAvailBytes(RingInfo,
+					&bytesAvailToRead,
+					&bytesAvailToWrite);
 
 		DebugInfo->BytesAvailToRead = bytesAvailToRead;
 		DebugInfo->BytesAvailToWrite = bytesAvailToWrite;
 		DebugInfo->CurrentReadIndex = RingInfo->RingBuffer->ReadIndex;
 		DebugInfo->CurrentWriteIndex = RingInfo->RingBuffer->WriteIndex;
-
 		DebugInfo->CurrentInterruptMask = RingInfo->RingBuffer->InterruptMask;
 	}
 }
@@ -299,7 +305,7 @@ int RingBufferInit(RING_BUFFER_INFO *RingInfo, void *Buffer, u32 BufferLen)
 
 	memset(RingInfo, 0, sizeof(RING_BUFFER_INFO));
 
-	RingInfo->RingBuffer = (RING_BUFFER*)Buffer;
+	RingInfo->RingBuffer = (RING_BUFFER *)Buffer;
 	RingInfo->RingBuffer->ReadIndex = RingInfo->RingBuffer->WriteIndex = 0;
 
 	RingInfo->RingSize = BufferLen;
@@ -319,7 +325,7 @@ Description:
 	Cleanup the ring buffer
 
 --*/
-void RingBufferCleanup(RING_BUFFER_INFO* RingInfo)
+void RingBufferCleanup(RING_BUFFER_INFO *RingInfo)
 {
 }
 
@@ -335,14 +341,14 @@ Description:
 int RingBufferWrite(RING_BUFFER_INFO *OutRingInfo,
 		    struct scatterlist *sglist, u32 sgcount)
 {
-	int i=0;
+	int i = 0;
 	u32 byteAvailToWrite;
 	u32 byteAvailToRead;
-	u32 totalBytesToWrite=0;
+	u32 totalBytesToWrite = 0;
 
 	struct scatterlist *sg;
 	volatile u32 nextWriteLocation;
-	u64 prevIndices=0;
+	u64 prevIndices = 0;
 	unsigned long flags;
 
 	DPRINT_ENTER(VMBUS);
@@ -356,17 +362,23 @@ int RingBufferWrite(RING_BUFFER_INFO *OutRingInfo,
 
 	spin_lock_irqsave(&OutRingInfo->ring_lock, flags);
 
-	GetRingBufferAvailBytes(OutRingInfo, &byteAvailToRead, &byteAvailToWrite);
+	GetRingBufferAvailBytes(OutRingInfo,
+				&byteAvailToRead,
+				&byteAvailToWrite);
 
 	DPRINT_DBG(VMBUS, "Writing %u bytes...", totalBytesToWrite);
 
 	/* DumpRingInfo(OutRingInfo, "BEFORE "); */
 
-	/* If there is only room for the packet, assume it is full. Otherwise, the next time around, we think the ring buffer */
+	/* If there is only room for the packet, assume it is full. */
+	/* Otherwise, the next time around, we think the ring buffer */
 	/* is empty since the read index == write index */
-	if (byteAvailToWrite <= totalBytesToWrite)
-	{
-		DPRINT_DBG(VMBUS, "No more space left on outbound ring buffer (needed %u, avail %u)", totalBytesToWrite, byteAvailToWrite);
+	if (byteAvailToWrite <= totalBytesToWrite) {
+		DPRINT_DBG(VMBUS,
+			"No more space left on outbound ring buffer "
+			"(needed %u, avail %u)",
+			totalBytesToWrite,
+			byteAvailToWrite);
 
 		spin_unlock_irqrestore(&OutRingInfo->ring_lock, flags);
 
@@ -423,17 +435,22 @@ int RingBufferPeek(RING_BUFFER_INFO *InRingInfo, void *Buffer, u32 BufferLen)
 {
 	u32 bytesAvailToWrite;
 	u32 bytesAvailToRead;
-	u32 nextReadLocation=0;
+	u32 nextReadLocation = 0;
 	unsigned long flags;
 
 	spin_lock_irqsave(&InRingInfo->ring_lock, flags);
 
-	GetRingBufferAvailBytes(InRingInfo, &bytesAvailToRead, &bytesAvailToWrite);
+	GetRingBufferAvailBytes(InRingInfo,
+				&bytesAvailToRead,
+				&bytesAvailToWrite);
 
 	/* Make sure there is something to read */
-	if (bytesAvailToRead < BufferLen )
-	{
-		/* DPRINT_DBG(VMBUS, "got callback but not enough to read <avail to read %d read size %d>!!", bytesAvailToRead, BufferLen); */
+	if (bytesAvailToRead < BufferLen) {
+		/* DPRINT_DBG(VMBUS,
+			"got callback but not enough to read "
+			"<avail to read %d read size %d>!!",
+			bytesAvailToRead,
+			BufferLen); */
 
 		spin_unlock_irqrestore(&InRingInfo->ring_lock, flags);
 
@@ -444,9 +461,9 @@ int RingBufferPeek(RING_BUFFER_INFO *InRingInfo, void *Buffer, u32 BufferLen)
 	nextReadLocation = GetNextReadLocation(InRingInfo);
 
 	nextReadLocation = CopyFromRingBuffer(InRingInfo,
-											Buffer,
-											BufferLen,
-											nextReadLocation);
+						Buffer,
+						BufferLen,
+						nextReadLocation);
 
 	spin_unlock_irqrestore(&InRingInfo->ring_lock, flags);
 
@@ -468,24 +485,29 @@ int RingBufferRead(RING_BUFFER_INFO *InRingInfo, void *Buffer,
 {
 	u32 bytesAvailToWrite;
 	u32 bytesAvailToRead;
-	u32 nextReadLocation=0;
-	u64 prevIndices=0;
+	u32 nextReadLocation = 0;
+	u64 prevIndices = 0;
 	unsigned long flags;
 
 	ASSERT(BufferLen > 0);
 
 	spin_lock_irqsave(&InRingInfo->ring_lock, flags);
 
-	GetRingBufferAvailBytes(InRingInfo, &bytesAvailToRead, &bytesAvailToWrite);
+	GetRingBufferAvailBytes(InRingInfo,
+				&bytesAvailToRead,
+				&bytesAvailToWrite);
 
 	DPRINT_DBG(VMBUS, "Reading %u bytes...", BufferLen);
 
 	/* DumpRingInfo(InRingInfo, "BEFORE "); */
 
 	/* Make sure there is something to read */
-	if (bytesAvailToRead < BufferLen )
-	{
-		DPRINT_DBG(VMBUS, "got callback but not enough to read <avail to read %d read size %d>!!", bytesAvailToRead, BufferLen);
+	if (bytesAvailToRead < BufferLen) {
+		DPRINT_DBG(VMBUS,
+			"got callback but not enough to read "
+			"<avail to read %d read size %d>!!",
+			bytesAvailToRead,
+			BufferLen);
 
 		spin_unlock_irqrestore(&InRingInfo->ring_lock, flags);
 
@@ -495,17 +517,18 @@ int RingBufferRead(RING_BUFFER_INFO *InRingInfo, void *Buffer,
 	nextReadLocation = GetNextReadLocationWithOffset(InRingInfo, Offset);
 
 	nextReadLocation = CopyFromRingBuffer(InRingInfo,
-											Buffer,
-											BufferLen,
-											nextReadLocation);
+						Buffer,
+						BufferLen,
+						nextReadLocation);
 
 	nextReadLocation = CopyFromRingBuffer(InRingInfo,
-											&prevIndices,
-											sizeof(u64),
-											nextReadLocation);
+						&prevIndices,
+						sizeof(u64),
+						nextReadLocation);
 
 	/* Make sure all reads are done before we update the read index since */
-	/* the writer may start writing to the read area once the read index is updated */
+	/* the writer may start writing to the read area once the read index */
+	/*is updated */
 	mb();
 
 	/* Update the read index */
@@ -533,25 +556,22 @@ static u32
 CopyToRingBuffer(
 	RING_BUFFER_INFO	*RingInfo,
 	u32				StartWriteOffset,
-	void *				Src,
+	void				*Src,
 	u32				SrcLen)
 {
-	void * ringBuffer=GetRingBuffer(RingInfo);
-	u32 ringBufferSize=GetRingBufferSize(RingInfo);
+	void *ringBuffer = GetRingBuffer(RingInfo);
+	u32 ringBufferSize = GetRingBufferSize(RingInfo);
 	u32 fragLen;
 
-	if (SrcLen > ringBufferSize - StartWriteOffset) /* wrap-around detected! */
-	{
+	/* wrap-around detected! */
+	if (SrcLen > ringBufferSize - StartWriteOffset) {
 		DPRINT_DBG(VMBUS, "wrap-around detected!");
 
 		fragLen = ringBufferSize - StartWriteOffset;
 		memcpy(ringBuffer + StartWriteOffset, Src, fragLen);
 		memcpy(ringBuffer, Src + fragLen, SrcLen - fragLen);
-	}
-	else
-	{
+	} else
 		memcpy(ringBuffer + StartWriteOffset, Src, SrcLen);
-	}
 
 	StartWriteOffset += SrcLen;
 	StartWriteOffset %= ringBufferSize;
@@ -573,28 +593,27 @@ Description:
 static u32
 CopyFromRingBuffer(
 	RING_BUFFER_INFO	*RingInfo,
-	void *				Dest,
+	void				*Dest,
 	u32				DestLen,
 	u32				StartReadOffset)
 {
-	void * ringBuffer=GetRingBuffer(RingInfo);
-	u32 ringBufferSize=GetRingBufferSize(RingInfo);
+	void *ringBuffer = GetRingBuffer(RingInfo);
+	u32 ringBufferSize = GetRingBufferSize(RingInfo);
 
 	u32 fragLen;
 
-	if (DestLen > ringBufferSize - StartReadOffset) /* wrap-around detected at the src */
-	{
+	/* wrap-around detected at the src */
+	if (DestLen > ringBufferSize - StartReadOffset) {
 		DPRINT_DBG(VMBUS, "src wrap-around detected!");
 
 		fragLen = ringBufferSize - StartReadOffset;
 
 		memcpy(Dest, ringBuffer + StartReadOffset, fragLen);
 		memcpy(Dest + fragLen, ringBuffer, DestLen - fragLen);
-	}
-	else
-	{
+	} else
+
 		memcpy(Dest, ringBuffer + StartReadOffset, DestLen);
-	}
+
 
 	StartReadOffset += DestLen;
 	StartReadOffset %= ringBufferSize;
diff --git a/drivers/staging/hv/RndisFilter.c b/drivers/staging/hv/RndisFilter.c
index 26d79975387c..1ab7fa97d373 100644
--- a/drivers/staging/hv/RndisFilter.c
+++ b/drivers/staging/hv/RndisFilter.c
@@ -85,10 +85,6 @@ static int RndisFilterOnDeviceRemove(struct hv_device *Device);
 
 static void RndisFilterOnCleanup(struct hv_driver *Driver);
 
-static int RndisFilterOnOpen(struct hv_device *Device);
-
-static int RndisFilterOnClose(struct hv_device *Device);
-
 static int RndisFilterOnSend(struct hv_device *Device,
 			     struct hv_netvsc_packet *Packet);
 
@@ -654,8 +650,6 @@ int RndisFilterInit(struct netvsc_driver *Driver)
 	Driver->Base.OnDeviceRemove = RndisFilterOnDeviceRemove;
 	Driver->Base.OnCleanup = RndisFilterOnCleanup;
 	Driver->OnSend = RndisFilterOnSend;
-	Driver->OnOpen = RndisFilterOnOpen;
-	Driver->OnClose = RndisFilterOnClose;
 	/* Driver->QueryLinkStatus = RndisFilterQueryDeviceLinkStatus; */
 	Driver->OnReceiveCallback = RndisFilterOnReceive;
 
@@ -888,7 +882,7 @@ static void RndisFilterOnCleanup(struct hv_driver *Driver)
 	DPRINT_EXIT(NETVSC);
 }
 
-static int RndisFilterOnOpen(struct hv_device *Device)
+int RndisFilterOnOpen(struct hv_device *Device)
 {
 	int ret;
 	struct netvsc_device *netDevice = Device->Extension;
@@ -903,7 +897,7 @@ static int RndisFilterOnOpen(struct hv_device *Device)
 	return ret;
 }
 
-static int RndisFilterOnClose(struct hv_device *Device)
+int RndisFilterOnClose(struct hv_device *Device)
 {
 	int ret;
 	struct netvsc_device *netDevice = Device->Extension;
diff --git a/drivers/staging/hv/StorVsc.c b/drivers/staging/hv/StorVsc.c
index 2f7c425896f7..38ea1407f222 100644
--- a/drivers/staging/hv/StorVsc.c
+++ b/drivers/staging/hv/StorVsc.c
@@ -625,7 +625,7 @@ static int StorVscOnDeviceRemove(struct hv_device *Device)
 	return 0;
 }
 
-static int StorVscOnHostReset(struct hv_device *Device)
+int StorVscOnHostReset(struct hv_device *Device)
 {
 	struct storvsc_device *storDevice;
 	struct storvsc_request_extension *request;
@@ -842,7 +842,6 @@ int StorVscInitialize(struct hv_driver *Driver)
 	storDriver->Base.OnCleanup	= StorVscOnCleanup;
 
 	storDriver->OnIORequest		= StorVscOnIORequest;
-	storDriver->OnHostReset		= StorVscOnHostReset;
 
 	DPRINT_EXIT(STORVSC);
 
diff --git a/drivers/staging/hv/StorVscApi.h b/drivers/staging/hv/StorVscApi.h
index 69c14066c479..126a8588edb1 100644
--- a/drivers/staging/hv/StorVscApi.h
+++ b/drivers/staging/hv/StorVscApi.h
@@ -91,13 +91,9 @@ struct storvsc_driver_object {
 	/* Maximum # of requests in flight per channel/device */
 	u32 MaxOutstandingRequestsPerChannel;
 
-	/* Set by the caller to allow us to re-enumerate the bus on the host */
-	void (*OnHostRescan)(struct hv_device *Device);
-
 	/* Specific to this driver */
 	int (*OnIORequest)(struct hv_device *Device,
 			   struct hv_storvsc_request *Request);
-	int (*OnHostReset)(struct hv_device *Device);
 };
 
 struct storvsc_device_info {
@@ -108,6 +104,7 @@ struct storvsc_device_info {
 
 /* Interface */
 int StorVscInitialize(struct hv_driver *driver);
+int StorVscOnHostReset(struct hv_device *Device);
 int BlkVscInitialize(struct hv_driver *driver);
 
 #endif /* _STORVSC_API_H_ */
diff --git a/drivers/staging/hv/VersionInfo.h b/drivers/staging/hv/VersionInfo.h
index 9c3641d99ed8..10d7b19a485f 100644
--- a/drivers/staging/hv/VersionInfo.h
+++ b/drivers/staging/hv/VersionInfo.h
@@ -24,8 +24,24 @@
 #ifndef __HV_VERSION_INFO
 #define __HV_VERSION_INFO
 
-static const char VersionDate[] = __DATE__;
-static const char VersionTime[] = __TIME__;
-static const char VersionDesc[] = "Version 2.0";
+/*
+ * We use the same version numbering for all Hyper-V modules.
+ *
+ * Definition of versioning is as follows;
+ *
+ * 	Major Number 	Changes for these scenarios;
+ *			1.	When a new version of Windows Hyper-V
+ *				is released.
+ *			2.	A Major change has occurred in the
+ *			       	Linux IC's.
+ *			(For example the merge for the first time
+ *			into the kernel) Every time the Major Number
+ *			changes, the Revision number is reset to 0.
+ *	Minor Number	Changes when new functionality is added
+ *			to the Linux IC's that is not a bug fix.
+ *
+ */
+#define HV_DRV_VERSION           "3.0"
+
 
 #endif
diff --git a/drivers/staging/hv/Vmbus.c b/drivers/staging/hv/Vmbus.c
index 35a023e9f9d1..3d0a240ed664 100644
--- a/drivers/staging/hv/Vmbus.c
+++ b/drivers/staging/hv/Vmbus.c
@@ -273,10 +273,8 @@ int VmbusInitialize(struct hv_driver *drv)
 
 	DPRINT_ENTER(VMBUS);
 
-	DPRINT_INFO(VMBUS, "+++++++ Build Date=%s %s +++++++",
-			VersionDate, VersionTime);
-	DPRINT_INFO(VMBUS, "+++++++ Build Description=%s +++++++",
-			VersionDesc);
+	DPRINT_INFO(VMBUS, "+++++++ HV Driver version = %s +++++++",
+		    HV_DRV_VERSION);
 	DPRINT_INFO(VMBUS, "+++++++ Vmbus supported version = %d +++++++",
 			VMBUS_REVISION_NUMBER);
 	DPRINT_INFO(VMBUS, "+++++++ Vmbus using SINT %d +++++++",
diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 45d908114d11..abeac12c093d 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -31,6 +31,7 @@
 #include <scsi/scsi_dbg.h>
 #include "osd.h"
 #include "logging.h"
+#include "VersionInfo.h"
 #include "vmbus.h"
 #include "StorVscApi.h"
 
@@ -92,7 +93,7 @@ struct blkvsc_request {
 /* Per device structure */
 struct block_device_context {
 	/* point back to our device context */
-	struct device_context *device_ctx;
+	struct vm_device *device_ctx;
 	struct kmem_cache *request_pool;
 	spinlock_t lock;
 	struct gendisk *gd;
@@ -254,7 +255,7 @@ static int blkvsc_probe(struct device *device)
 				(struct blkvsc_driver_context *)driver_ctx;
 	struct storvsc_driver_object *storvsc_drv_obj =
 				&blkvsc_drv_ctx->drv_obj;
-	struct device_context *device_ctx = device_to_device_context(device);
+	struct vm_device *device_ctx = device_to_vm_device(device);
 	struct hv_device *device_obj = &device_ctx->device_obj;
 
 	struct block_device_context *blkdev = NULL;
@@ -742,7 +743,7 @@ static int blkvsc_remove(struct device *device)
 				(struct blkvsc_driver_context *)driver_ctx;
 	struct storvsc_driver_object *storvsc_drv_obj =
 				&blkvsc_drv_ctx->drv_obj;
-	struct device_context *device_ctx = device_to_device_context(device);
+	struct vm_device *device_ctx = device_to_vm_device(device);
 	struct hv_device *device_obj = &device_ctx->device_obj;
 	struct block_device_context *blkdev = dev_get_drvdata(device);
 	unsigned long flags;
@@ -862,7 +863,7 @@ static int blkvsc_submit_request(struct blkvsc_request *blkvsc_req,
 			void (*request_completion)(struct hv_storvsc_request *))
 {
 	struct block_device_context *blkdev = blkvsc_req->dev;
-	struct device_context *device_ctx = blkdev->device_ctx;
+	struct vm_device *device_ctx = blkdev->device_ctx;
 	struct driver_context *driver_ctx =
 			driver_to_driver_context(device_ctx->device.driver);
 	struct blkvsc_driver_context *blkvsc_drv_ctx =
@@ -1504,6 +1505,7 @@ static void __exit blkvsc_exit(void)
 }
 
 MODULE_LICENSE("GPL");
+MODULE_VERSION(HV_DRV_VERSION);
 module_param(blkvsc_ringbuffer_size, int, S_IRUGO);
 module_init(blkvsc_init);
 module_exit(blkvsc_exit);
diff --git a/drivers/staging/hv/netvsc_drv.c b/drivers/staging/hv/netvsc_drv.c
index 0d7459e2d036..1af3dcbafd65 100644
--- a/drivers/staging/hv/netvsc_drv.c
+++ b/drivers/staging/hv/netvsc_drv.c
@@ -35,14 +35,13 @@
 #include <net/pkt_sched.h>
 #include "osd.h"
 #include "logging.h"
+#include "VersionInfo.h"
 #include "vmbus.h"
 #include "NetVscApi.h"
 
-MODULE_LICENSE("GPL");
-
 struct net_device_context {
 	/* point back to our device context */
-	struct device_context *device_ctx;
+	struct vm_device *device_ctx;
 	struct net_device_stats stats;
 };
 
@@ -72,11 +71,6 @@ static void netvsc_set_multicast_list(struct net_device *net)
 static int netvsc_open(struct net_device *net)
 {
 	struct net_device_context *net_device_ctx = netdev_priv(net);
-	struct driver_context *driver_ctx =
-	    driver_to_driver_context(net_device_ctx->device_ctx->device.driver);
-	struct netvsc_driver_context *net_drv_ctx =
-		(struct netvsc_driver_context *)driver_ctx;
-	struct netvsc_driver *net_drv_obj = &net_drv_ctx->drv_obj;
 	struct hv_device *device_obj = &net_device_ctx->device_ctx->device_obj;
 	int ret = 0;
 
@@ -87,7 +81,7 @@ static int netvsc_open(struct net_device *net)
 		       sizeof(struct net_device_stats));
 
 		/* Open up the device */
-		ret = net_drv_obj->OnOpen(device_obj);
+		ret = RndisFilterOnOpen(device_obj);
 		if (ret != 0) {
 			DPRINT_ERR(NETVSC_DRV,
 				   "unable to open device (ret %d).", ret);
@@ -106,11 +100,6 @@ static int netvsc_open(struct net_device *net)
 static int netvsc_close(struct net_device *net)
 {
 	struct net_device_context *net_device_ctx = netdev_priv(net);
-	struct driver_context *driver_ctx =
-	    driver_to_driver_context(net_device_ctx->device_ctx->device.driver);
-	struct netvsc_driver_context *net_drv_ctx =
-		(struct netvsc_driver_context *)driver_ctx;
-	struct netvsc_driver *net_drv_obj = &net_drv_ctx->drv_obj;
 	struct hv_device *device_obj = &net_device_ctx->device_ctx->device_obj;
 	int ret;
 
@@ -118,7 +107,7 @@ static int netvsc_close(struct net_device *net)
 
 	netif_stop_queue(net);
 
-	ret = net_drv_obj->OnClose(device_obj);
+	ret = RndisFilterOnClose(device_obj);
 	if (ret != 0)
 		DPRINT_ERR(NETVSC_DRV, "unable to close device (ret %d).", ret);
 
@@ -282,7 +271,7 @@ retry_send:
 static void netvsc_linkstatus_callback(struct hv_device *device_obj,
 				       unsigned int status)
 {
-	struct device_context *device_ctx = to_device_context(device_obj);
+	struct vm_device *device_ctx = to_vm_device(device_obj);
 	struct net_device *net = dev_get_drvdata(&device_ctx->device);
 
 	DPRINT_ENTER(NETVSC_DRV);
@@ -309,7 +298,7 @@ static void netvsc_linkstatus_callback(struct hv_device *device_obj,
 static int netvsc_recv_callback(struct hv_device *device_obj,
 				struct hv_netvsc_packet *packet)
 {
-	struct device_context *device_ctx = to_device_context(device_obj);
+	struct vm_device *device_ctx = to_vm_device(device_obj);
 	struct net_device *net = dev_get_drvdata(&device_ctx->device);
 	struct net_device_context *net_device_ctx;
 	struct sk_buff *skb;
@@ -401,7 +390,7 @@ static int netvsc_probe(struct device *device)
 	struct netvsc_driver_context *net_drv_ctx =
 		(struct netvsc_driver_context *)driver_ctx;
 	struct netvsc_driver *net_drv_obj = &net_drv_ctx->drv_obj;
-	struct device_context *device_ctx = device_to_device_context(device);
+	struct vm_device *device_ctx = device_to_vm_device(device);
 	struct hv_device *device_obj = &device_ctx->device_obj;
 	struct net_device *net = NULL;
 	struct net_device_context *net_device_ctx;
@@ -473,7 +462,7 @@ static int netvsc_remove(struct device *device)
 	struct netvsc_driver_context *net_drv_ctx =
 		(struct netvsc_driver_context *)driver_ctx;
 	struct netvsc_driver *net_drv_obj = &net_drv_ctx->drv_obj;
-	struct device_context *device_ctx = device_to_device_context(device);
+	struct vm_device *device_ctx = device_to_vm_device(device);
 	struct net_device *net = dev_get_drvdata(&device_ctx->device);
 	struct hv_device *device_obj = &device_ctx->device_obj;
 	int ret;
@@ -613,6 +602,8 @@ static void __exit netvsc_exit(void)
 	DPRINT_EXIT(NETVSC_DRV);
 }
 
+MODULE_LICENSE("GPL");
+MODULE_VERSION(HV_DRV_VERSION);
 module_param(netvsc_ringbuffer_size, int, S_IRUGO);
 
 module_init(netvsc_init);
diff --git a/drivers/staging/hv/storvsc_drv.c b/drivers/staging/hv/storvsc_drv.c
index d49dc21d4cb4..3988f4bec1ce 100644
--- a/drivers/staging/hv/storvsc_drv.c
+++ b/drivers/staging/hv/storvsc_drv.c
@@ -32,6 +32,7 @@
 #include <scsi/scsi_dbg.h>
 #include "osd.h"
 #include "logging.h"
+#include "VersionInfo.h"
 #include "vmbus.h"
 #include "StorVscApi.h"
 
@@ -39,10 +40,8 @@
 struct host_device_context {
 	/* must be 1st field
 	 * FIXME this is a bug */
-	struct work_struct host_rescan_work;
-
 	/* point back to our device context */
-	struct device_context *device_ctx;
+	struct vm_device *device_ctx;
 	struct kmem_cache *request_pool;
 	unsigned int port;
 	unsigned char path;
@@ -77,8 +76,6 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd,
 static int storvsc_device_alloc(struct scsi_device *);
 static int storvsc_device_configure(struct scsi_device *);
 static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd);
-static void storvsc_host_rescan_callback(struct work_struct *work);
-static void storvsc_host_rescan(struct hv_device *device_obj);
 static int storvsc_remove(struct device *dev);
 
 static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl,
@@ -94,8 +91,6 @@ static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl,
 					  struct scatterlist *bounce_sgl,
 					  unsigned int orig_sgl_count);
 
-static int storvsc_report_luns(struct scsi_device *sdev, unsigned int luns[],
-			       unsigned int *lun_count);
 static int storvsc_get_chs(struct scsi_device *sdev, struct block_device *bdev,
 			   sector_t capacity, int *info);
 
@@ -148,7 +143,6 @@ static int storvsc_drv_init(int (*drv_init)(struct hv_driver *drv))
 	vmbus_get_interface(&storvsc_drv_obj->Base.VmbusChannelInterface);
 
 	storvsc_drv_obj->RingBufferSize = storvsc_ringbuffer_size;
-	storvsc_drv_obj->OnHostRescan = storvsc_host_rescan;
 
 	/* Callback to client driver to complete the initialization */
 	drv_init(&storvsc_drv_obj->Base);
@@ -240,7 +234,7 @@ static int storvsc_probe(struct device *device)
 				(struct storvsc_driver_context *)driver_ctx;
 	struct storvsc_driver_object *storvsc_drv_obj =
 				&storvsc_drv_ctx->drv_obj;
-	struct device_context *device_ctx = device_to_device_context(device);
+	struct vm_device *device_ctx = device_to_vm_device(device);
 	struct hv_device *device_obj = &device_ctx->device_obj;
 	struct Scsi_Host *host;
 	struct host_device_context *host_device_ctx;
@@ -266,9 +260,6 @@ static int storvsc_probe(struct device *device)
 	host_device_ctx->port = host->host_no;
 	host_device_ctx->device_ctx = device_ctx;
 
-	INIT_WORK(&host_device_ctx->host_rescan_work,
-		  storvsc_host_rescan_callback);
-
 	host_device_ctx->request_pool =
 				kmem_cache_create(dev_name(&device_ctx->device),
 					sizeof(struct storvsc_cmd_request) +
@@ -339,7 +330,7 @@ static int storvsc_remove(struct device *device)
 			(struct storvsc_driver_context *)driver_ctx;
 	struct storvsc_driver_object *storvsc_drv_obj =
 			&storvsc_drv_ctx->drv_obj;
-	struct device_context *device_ctx = device_to_device_context(device);
+	struct vm_device *device_ctx = device_to_vm_device(device);
 	struct hv_device *device_obj = &device_ctx->device_obj;
 	struct Scsi_Host *host = dev_get_drvdata(device);
 	struct host_device_context *host_device_ctx =
@@ -640,7 +631,7 @@ static int storvsc_queuecommand(struct scsi_cmnd *scmnd,
 	int ret;
 	struct host_device_context *host_device_ctx =
 		(struct host_device_context *)scmnd->device->host->hostdata;
-	struct device_context *device_ctx = host_device_ctx->device_ctx;
+	struct vm_device *device_ctx = host_device_ctx->device_ctx;
 	struct driver_context *driver_ctx =
 		driver_to_driver_context(device_ctx->device.driver);
 	struct storvsc_driver_context *storvsc_drv_ctx =
@@ -879,14 +870,7 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
 	int ret;
 	struct host_device_context *host_device_ctx =
 		(struct host_device_context *)scmnd->device->host->hostdata;
-	struct device_context *device_ctx = host_device_ctx->device_ctx;
-	struct driver_context *driver_ctx =
-			driver_to_driver_context(device_ctx->device.driver);
-	struct storvsc_driver_context *storvsc_drv_ctx =
-			(struct storvsc_driver_context *)driver_ctx;
-
-	struct storvsc_driver_object *storvsc_drv_obj =
-			&storvsc_drv_ctx->drv_obj;
+	struct vm_device *device_ctx = host_device_ctx->device_ctx;
 
 	DPRINT_ENTER(STORVSC_DRV);
 
@@ -894,8 +878,7 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
 		    scmnd->device, &device_ctx->device_obj);
 
 	/* Invokes the vsc to reset the host/bus */
-	ASSERT(storvsc_drv_obj->OnHostReset);
-	ret = storvsc_drv_obj->OnHostReset(&device_ctx->device_obj);
+	ret = StorVscOnHostReset(&device_ctx->device_obj);
 	if (ret != 0) {
 		DPRINT_EXIT(STORVSC_DRV);
 		return ret;
@@ -909,201 +892,6 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
 	return ret;
 }
 
-/**
- * storvsc_host_rescan - Rescan the scsi HBA
- */
-static void storvsc_host_rescan_callback(struct work_struct *work)
-{
-	struct hv_device *device_obj =
-	    &((struct host_device_context *)work)->device_ctx->device_obj;
-	struct device_context *device_ctx = to_device_context(device_obj);
-	struct Scsi_Host *host = dev_get_drvdata(&device_ctx->device);
-	struct scsi_device *sdev;
-	struct host_device_context *host_device_ctx;
-	struct scsi_device **sdevs_remove_list;
-	unsigned int sdevs_count = 0;
-	unsigned int found;
-	unsigned int i;
-	unsigned int lun_count = 0;
-	unsigned int *lun_list;
-
-	DPRINT_ENTER(STORVSC_DRV);
-
-	host_device_ctx = (struct host_device_context *)host->hostdata;
-	lun_list = kcalloc(STORVSC_MAX_LUNS_PER_TARGET, sizeof(unsigned int),
-			   GFP_ATOMIC);
-	if (!lun_list) {
-		DPRINT_ERR(STORVSC_DRV, "unable to allocate lun list");
-		return;
-	}
-
-	sdevs_remove_list = kcalloc(STORVSC_MAX_LUNS_PER_TARGET,
-				    sizeof(void *), GFP_ATOMIC);
-	if (!sdevs_remove_list) {
-		kfree(lun_list);
-		DPRINT_ERR(STORVSC_DRV, "unable to allocate lun remove list");
-		return;
-	}
-
-	DPRINT_INFO(STORVSC_DRV, "rescanning host for new scsi devices...");
-
-	/* Rescan for new device */
-	scsi_scan_target(&host->shost_gendev, host_device_ctx->path,
-			 host_device_ctx->target, SCAN_WILD_CARD, 1);
-
-	DPRINT_INFO(STORVSC_DRV, "rescanning host for removed scsi device...");
-
-	/* Use the 1st device to send the report luns cmd */
-	shost_for_each_device(sdev, host) {
-		lun_count = STORVSC_MAX_LUNS_PER_TARGET;
-		storvsc_report_luns(sdev, lun_list, &lun_count);
-
-		DPRINT_INFO(STORVSC_DRV,
-			    "report luns on scsi device (%p) found %u luns ",
-			    sdev, lun_count);
-		DPRINT_INFO(STORVSC_DRV,
-			    "existing luns on scsi device (%p) host (%d)",
-			    sdev, host->host_no);
-
-		scsi_device_put(sdev);
-		break;
-	}
-
-	for (i = 0; i < lun_count; i++)
-		DPRINT_INFO(STORVSC_DRV, "%d) lun %u", i, lun_list[i]);
-
-	/* Rescan for devices that may have been removed.
-	 * We do not have to worry that new devices may have been added since
-	 * this callback is serialized by the workqueue ie add/remove are done
-	 * here.
-	 */
-	shost_for_each_device(sdev, host) {
-		/* See if this device is still here */
-		found = 0;
-		for (i = 0; i < lun_count; i++) {
-			if (sdev->lun == lun_list[i]) {
-				found = 1;
-				break;
-			}
-		}
-		if (!found) {
-			DPRINT_INFO(STORVSC_DRV, "lun (%u) does not exists",
-				    sdev->lun);
-			sdevs_remove_list[sdevs_count++] = sdev;
-		}
-	}
-
-	/* Now remove the devices */
-	for (i = 0; i < sdevs_count; i++) {
-		DPRINT_INFO(STORVSC_DRV,
-			    "removing scsi device (%p) lun (%u)...",
-			    sdevs_remove_list[i], sdevs_remove_list[i]->lun);
-
-		/* make sure it is not removed from underneath us */
-		if (!scsi_device_get(sdevs_remove_list[i])) {
-			scsi_remove_device(sdevs_remove_list[i]);
-			scsi_device_put(sdevs_remove_list[i]);
-		}
-	}
-
-	DPRINT_INFO(STORVSC_DRV, "rescan completed on dev obj (%p) "
-		    "target (%u) bus (%u)", device_obj,
-		    host_device_ctx->target, host_device_ctx->path);
-
-	kfree(lun_list);
-	kfree(sdevs_remove_list);
-
-	DPRINT_EXIT(STORVSC_DRV);
-}
-
-static int storvsc_report_luns(struct scsi_device *sdev, unsigned int luns[],
-			       unsigned int *lun_count)
-{
-	int i, j;
-	unsigned int lun = 0;
-	unsigned int num_luns;
-	int result;
-	unsigned char *data;
-	struct scsi_sense_hdr sshdr;
-	unsigned char cmd[16] = {0};
-	/* Add 1 to cover the report_lun header */
-	unsigned int report_len = 8 * (STORVSC_MAX_LUNS_PER_TARGET+1);
-	unsigned long long *report_luns;
-	const unsigned int in_lun_count = *lun_count;
-
-	*lun_count = 0;
-
-	report_luns = kzalloc(report_len, GFP_ATOMIC);
-	if (!report_luns)
-		return -ENOMEM;
-
-	cmd[0] = REPORT_LUNS;
-
-	/* cmd length */
-	*(unsigned int *)&cmd[6] = cpu_to_be32(report_len);
-
-	result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE,
-				  (unsigned char *)report_luns, report_len,
-				  &sshdr, 30 * HZ, 3, NULL);
-	if (result != 0) {
-		kfree(report_luns);
-		return -EBUSY;
-	}
-
-	/* get the length from the first four bytes */
-	report_len = be32_to_cpu(*(unsigned int *)&report_luns[0]);
-
-	num_luns = (report_len / sizeof(unsigned long long));
-	if (num_luns > in_lun_count) {
-		kfree(report_luns);
-		return -EINVAL;
-	}
-
-	*lun_count = num_luns;
-
-	DPRINT_DBG(STORVSC_DRV,
-		   "report luns on scsi device (%p) found %u luns ",
-		   sdev, num_luns);
-
-	/* lun id starts at 1 */
-	for (i = 1; i < num_luns + 1; i++) {
-		lun = 0;
-		data = (unsigned char *)&report_luns[i];
-		for (j = 0; j < sizeof(lun); j += 2) {
-			lun = lun | (((data[j] << 8) | data[j + 1]) <<
-				(j * 8));
-		}
-
-		luns[i-1] = lun;
-	}
-
-	kfree(report_luns);
-	return 0;
-}
-
-static void storvsc_host_rescan(struct hv_device *device_obj)
-{
-	struct device_context *device_ctx = to_device_context(device_obj);
-	struct Scsi_Host *host = dev_get_drvdata(&device_ctx->device);
-	struct host_device_context *host_device_ctx;
-
-	DPRINT_ENTER(STORVSC_DRV);
-
-	host_device_ctx = (struct host_device_context *)host->hostdata;
-
-	DPRINT_INFO(STORVSC_DRV, "initiating rescan on dev obj (%p) "
-		    "target (%u) bus (%u)...", device_obj,
-		    host_device_ctx->target, host_device_ctx->path);
-
-	/*
-	 * We need to queue this since the scanning may block and the caller
-	 * may be in an intr context
-	 */
-	/* scsi_queue_work(host, &host_device_ctx->host_rescan_work); */
-	schedule_work(&host_device_ctx->host_rescan_work);
-	DPRINT_EXIT(STORVSC_DRV);
-}
-
 static int storvsc_get_chs(struct scsi_device *sdev, struct block_device * bdev,
 			   sector_t capacity, int *info)
 {
@@ -1203,6 +991,7 @@ static void __exit storvsc_exit(void)
 }
 
 MODULE_LICENSE("GPL");
+MODULE_VERSION(HV_DRV_VERSION);
 module_param(storvsc_ringbuffer_size, int, S_IRUGO);
 module_init(storvsc_init);
 module_exit(storvsc_exit);
diff --git a/drivers/staging/hv/vmbus.h b/drivers/staging/hv/vmbus.h
index ae0a896eb392..6404b8424bef 100644
--- a/drivers/staging/hv/vmbus.h
+++ b/drivers/staging/hv/vmbus.h
@@ -43,23 +43,23 @@ struct driver_context {
 	void (*shutdown)(struct device *);
 };
 
-struct device_context {
+struct vm_device {
 	struct work_struct probe_failed_work_item;
 	struct hv_guid class_id;
 	struct hv_guid device_id;
 	int probe_error;
-	struct device device;
 	struct hv_device device_obj;
+	struct device device;
 };
 
-static inline struct device_context *to_device_context(struct hv_device *d)
+static inline struct vm_device *to_vm_device(struct hv_device *d)
 {
-	return container_of(d, struct device_context, device_obj);
+	return container_of(d, struct vm_device, device_obj);
 }
 
-static inline struct device_context *device_to_device_context(struct device *d)
+static inline struct vm_device *device_to_vm_device(struct device *d)
 {
-	return container_of(d, struct device_context, device);
+	return container_of(d, struct vm_device, device);
 }
 
 static inline struct driver_context *driver_to_driver_context(struct device_driver *d)
diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c
index 894eecfc63ca..2c906195b9c8 100644
--- a/drivers/staging/hv/vmbus_drv.c
+++ b/drivers/staging/hv/vmbus_drv.c
@@ -24,6 +24,9 @@
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 #include <linux/sysctl.h>
+#include <linux/pci.h>
+#include <linux/dmi.h>
+#include "VersionInfo.h"
 #include "osd.h"
 #include "logging.h"
 #include "vmbus.h"
@@ -47,7 +50,7 @@ struct vmbus_driver_context {
 	struct tasklet_struct event_dpc;
 
 	/* The bus root device */
-	struct device_context device_ctx;
+	struct vm_device device_ctx;
 };
 
 static int vmbus_match(struct device *device, struct device_driver *driver);
@@ -135,7 +138,7 @@ static ssize_t vmbus_show_device_attr(struct device *dev,
 				      struct device_attribute *dev_attr,
 				      char *buf)
 {
-	struct device_context *device_ctx = device_to_device_context(dev);
+	struct vm_device *device_ctx = device_to_vm_device(dev);
 	struct hv_device_info device_info;
 
 	memset(&device_info, 0, sizeof(struct hv_device_info));
@@ -245,7 +248,7 @@ static int vmbus_bus_init(int (*drv_init)(struct hv_driver *drv))
 {
 	struct vmbus_driver_context *vmbus_drv_ctx = &g_vmbus_drv;
 	struct vmbus_driver *vmbus_drv_obj = &g_vmbus_drv.drv_obj;
-	struct device_context *dev_ctx = &g_vmbus_drv.device_ctx;
+	struct vm_device *dev_ctx = &g_vmbus_drv.device_ctx;
 	int ret;
 	unsigned int vector;
 
@@ -307,7 +310,7 @@ static int vmbus_bus_init(int (*drv_init)(struct hv_driver *drv))
 	DPRINT_INFO(VMBUS_DRV, "irq 0x%x vector 0x%x", vmbus_irq, vector);
 
 	/* Call to bus driver to add the root device */
-	memset(dev_ctx, 0, sizeof(struct device_context));
+	memset(dev_ctx, 0, sizeof(struct vm_device));
 
 	ret = vmbus_drv_obj->Base.OnDeviceAdd(&dev_ctx->device_obj, &vector);
 	if (ret != 0) {
@@ -368,7 +371,7 @@ static void vmbus_bus_exit(void)
 	struct vmbus_driver *vmbus_drv_obj = &g_vmbus_drv.drv_obj;
 	struct vmbus_driver_context *vmbus_drv_ctx = &g_vmbus_drv;
 
-	struct device_context *dev_ctx = &g_vmbus_drv.device_ctx;
+	struct vm_device *dev_ctx = &g_vmbus_drv.device_ctx;
 
 	DPRINT_ENTER(VMBUS_DRV);
 
@@ -471,13 +474,13 @@ static struct hv_device *vmbus_child_device_create(struct hv_guid *type,
 						   struct hv_guid *instance,
 						   void *context)
 {
-	struct device_context *child_device_ctx;
+	struct vm_device *child_device_ctx;
 	struct hv_device *child_device_obj;
 
 	DPRINT_ENTER(VMBUS_DRV);
 
 	/* Allocate the new child device */
-	child_device_ctx = kzalloc(sizeof(struct device_context), GFP_KERNEL);
+	child_device_ctx = kzalloc(sizeof(struct vm_device), GFP_KERNEL);
 	if (!child_device_ctx) {
 		DPRINT_ERR(VMBUS_DRV,
 			"unable to allocate device_context for child device");
@@ -526,10 +529,10 @@ static int vmbus_child_device_register(struct hv_device *root_device_obj,
 				       struct hv_device *child_device_obj)
 {
 	int ret = 0;
-	struct device_context *root_device_ctx =
-				to_device_context(root_device_obj);
-	struct device_context *child_device_ctx =
-				to_device_context(child_device_obj);
+	struct vm_device *root_device_ctx =
+				to_vm_device(root_device_obj);
+	struct vm_device *child_device_ctx =
+				to_vm_device(child_device_obj);
 	static atomic_t device_num = ATOMIC_INIT(0);
 
 	DPRINT_ENTER(VMBUS_DRV);
@@ -572,7 +575,7 @@ static int vmbus_child_device_register(struct hv_device *root_device_obj,
  */
 static void vmbus_child_device_unregister(struct hv_device *device_obj)
 {
-	struct device_context *device_ctx = to_device_context(device_obj);
+	struct vm_device *device_ctx = to_vm_device(device_obj);
 
 	DPRINT_ENTER(VMBUS_DRV);
 
@@ -610,7 +613,7 @@ static void vmbus_child_device_destroy(struct hv_device *device_obj)
  */
 static int vmbus_uevent(struct device *device, struct kobj_uevent_env *env)
 {
-	struct device_context *device_ctx = device_to_device_context(device);
+	struct vm_device *device_ctx = device_to_vm_device(device);
 	int ret;
 
 	DPRINT_ENTER(VMBUS_DRV);
@@ -687,7 +690,7 @@ static int vmbus_match(struct device *device, struct device_driver *driver)
 {
 	int match = 0;
 	struct driver_context *driver_ctx = driver_to_driver_context(driver);
-	struct device_context *device_ctx = device_to_device_context(device);
+	struct vm_device *device_ctx = device_to_vm_device(device);
 
 	DPRINT_ENTER(VMBUS_DRV);
 
@@ -724,7 +727,7 @@ static int vmbus_match(struct device *device, struct device_driver *driver)
  */
 static void vmbus_probe_failed_cb(struct work_struct *context)
 {
-	struct device_context *device_ctx = (struct device_context *)context;
+	struct vm_device *device_ctx = (struct vm_device *)context;
 
 	DPRINT_ENTER(VMBUS_DRV);
 
@@ -746,8 +749,8 @@ static int vmbus_probe(struct device *child_device)
 	int ret = 0;
 	struct driver_context *driver_ctx =
 			driver_to_driver_context(child_device->driver);
-	struct device_context *device_ctx =
-			device_to_device_context(child_device);
+	struct vm_device *device_ctx =
+			device_to_vm_device(child_device);
 
 	DPRINT_ENTER(VMBUS_DRV);
 
@@ -871,7 +874,7 @@ static void vmbus_bus_release(struct device *device)
  */
 static void vmbus_device_release(struct device *device)
 {
-	struct device_context *device_ctx = device_to_device_context(device);
+	struct vm_device *device_ctx = device_to_vm_device(device);
 
 	DPRINT_ENTER(VMBUS_DRV);
 
@@ -946,6 +949,19 @@ static irqreturn_t vmbus_isr(int irq, void *dev_id)
 	}
 }
 
+static struct dmi_system_id __initdata microsoft_hv_dmi_table[] = {
+	{
+		.ident = "Hyper-V",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
+			DMI_MATCH(DMI_BOARD_NAME, "Virtual Machine"),
+		},
+	},
+	{ },
+};
+MODULE_DEVICE_TABLE(dmi, microsoft_hv_dmi_table);
+
 static int __init vmbus_init(void)
 {
 	int ret = 0;
@@ -957,6 +973,9 @@ static int __init vmbus_init(void)
 		vmbus_loglevel, HIWORD(vmbus_loglevel), LOWORD(vmbus_loglevel));
 	/* Todo: it is used for loglevel, to be ported to new kernel. */
 
+	if (!dmi_check_system(microsoft_hv_dmi_table))
+		return -ENODEV;
+
 	ret = vmbus_bus_init(VmbusInitialize);
 
 	DPRINT_EXIT(VMBUS_DRV);
@@ -973,7 +992,20 @@ static void __exit vmbus_exit(void)
 	return;
 }
 
+/*
+ * We use a PCI table to determine if we should autoload this driver  This is
+ * needed by distro tools to determine if the hyperv drivers should be
+ * installed and/or configured.  We don't do anything else with the table, but
+ * it needs to be present.
+ */
+const static struct pci_device_id microsoft_hv_pci_table[] = {
+	{ PCI_DEVICE(0x1414, 0x5353) },	/* VGA compatible controller */
+	{ 0 }
+};
+MODULE_DEVICE_TABLE(pci, microsoft_hv_pci_table);
+
 MODULE_LICENSE("GPL");
+MODULE_VERSION(HV_DRV_VERSION);
 module_param(vmbus_irq, int, S_IRUGO);
 module_param(vmbus_loglevel, int, S_IRUGO);
 
diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index 768f44894d08..b456dfc8fe27 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -79,11 +79,14 @@ EXPORT_SYMBOL(__iio_change_event);
 	/* Does anyone care? */
 	mutex_lock(&ev_int->event_list_lock);
 	if (test_bit(IIO_BUSY_BIT_POS, &ev_int->handler.flags)) {
-		if (ev_int->current_events == ev_int->max_events)
+		if (ev_int->current_events == ev_int->max_events) {
+			mutex_unlock(&ev_int->event_list_lock);
 			return 0;
+		}
 		ev = kmalloc(sizeof(*ev), GFP_KERNEL);
 		if (ev == NULL) {
 			ret = -ENOMEM;
+			mutex_unlock(&ev_int->event_list_lock);
 			goto error_ret;
 		}
 		ev->ev.id = ev_code;
@@ -115,7 +118,7 @@ int iio_push_event(struct iio_dev *dev_info,
 EXPORT_SYMBOL(iio_push_event);
 
 /* Generic interrupt line interrupt handler */
-irqreturn_t iio_interrupt_handler(int irq, void *_int_info)
+static irqreturn_t iio_interrupt_handler(int irq, void *_int_info)
 {
 	struct iio_interrupt *int_info = _int_info;
 	struct iio_dev *dev_info = int_info->dev_info;
@@ -249,10 +252,10 @@ void iio_remove_event_from_list(struct iio_event_handler_list *el,
 }
 EXPORT_SYMBOL(iio_remove_event_from_list);
 
-ssize_t iio_event_chrdev_read(struct file *filep,
-			      char *buf,
-			      size_t count,
-			      loff_t *f_ps)
+static ssize_t iio_event_chrdev_read(struct file *filep,
+				     char __user *buf,
+				     size_t count,
+				     loff_t *f_ps)
 {
 	struct iio_event_interface *ev_int = filep->private_data;
 	struct iio_detected_event_list *el;
@@ -289,16 +292,16 @@ ssize_t iio_event_chrdev_read(struct file *filep,
 	mutex_unlock(&ev_int->event_list_lock);
 	/*
 	 * Possible concurency issue if an update of this event is on its way
-	 * through. May lead to new even being removed whilst the reported event
-	 * was the unescalated event. In typical use case this is not a problem
-	 * as userspace will say read half the buffer due to a 50% full event
-	 * which would make the correct 100% full incorrect anyway.
+	 * through. May lead to new event being removed whilst the reported
+	 * event was the unescalated event. In typical use case this is not a
+	 * problem as userspace will say read half the buffer due to a 50%
+	 * full event which would make the correct 100% full incorrect anyway.
 	 */
-	spin_lock(&el->shared_pointer->lock);
-	if (el->shared_pointer)
+	if (el->shared_pointer) {
+		spin_lock(&el->shared_pointer->lock);
 		(el->shared_pointer->ev_p) = NULL;
-	spin_unlock(&el->shared_pointer->lock);
-
+		spin_unlock(&el->shared_pointer->lock);
+	}
 	kfree(el);
 
 	return len;
@@ -310,7 +313,7 @@ error_ret:
 	return ret;
 }
 
-int iio_event_chrdev_release(struct inode *inode, struct file *filep)
+static int iio_event_chrdev_release(struct inode *inode, struct file *filep)
 {
 	struct iio_handler *hand = iio_cdev_to_handler(inode->i_cdev);
 	struct iio_event_interface *ev_int = hand->private;
@@ -332,7 +335,7 @@ int iio_event_chrdev_release(struct inode *inode, struct file *filep)
 	return 0;
 }
 
-int iio_event_chrdev_open(struct inode *inode, struct file *filep)
+static int iio_event_chrdev_open(struct inode *inode, struct file *filep)
 {
 	struct iio_handler *hand = iio_cdev_to_handler(inode->i_cdev);
 	struct iio_event_interface *ev_int = hand->private;
diff --git a/drivers/staging/iio/ring_generic.h b/drivers/staging/iio/ring_generic.h
index 93b91b28a02f..09044adf7327 100644
--- a/drivers/staging/iio/ring_generic.h
+++ b/drivers/staging/iio/ring_generic.h
@@ -146,8 +146,7 @@ static inline void __iio_init_ring_buffer(struct iio_ring_buffer *ring,
 	ring->length = length;
 	ring->loopcount = 0;
 	ring->shared_ev_pointer.ev_p = 0;
-	ring->shared_ev_pointer.lock =
-		__SPIN_LOCK_UNLOCKED(ring->shared_ev_pointer->loc);
+	spin_lock_init(&ring->shared_ev_pointer.lock);
 }
 
 /**
diff --git a/drivers/staging/iio/ring_sw.c b/drivers/staging/iio/ring_sw.c
index 359ff9208f36..6f7f4d5a93f3 100644
--- a/drivers/staging/iio/ring_sw.c
+++ b/drivers/staging/iio/ring_sw.c
@@ -8,7 +8,6 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/device.h>
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/workqueue.h>
@@ -21,7 +20,7 @@ static inline int __iio_init_sw_ring_buffer(struct iio_sw_ring_buffer *ring,
 		return -EINVAL;
 
 	__iio_init_ring_buffer(&ring->buf, bytes_per_datum, length);
-	ring->use_lock = __SPIN_LOCK_UNLOCKED((ring)->use_lock);
+	spin_lock_init(&ring->use_lock);
 	ring->data = kmalloc(length*ring->buf.bpd, GFP_KERNEL);
 	ring->read_p = 0;
 	ring->write_p = 0;
diff --git a/drivers/staging/iio/trigger_consumer.h b/drivers/staging/iio/trigger_consumer.h
index a02d70b0d24a..9d52d9637777 100644
--- a/drivers/staging/iio/trigger_consumer.h
+++ b/drivers/staging/iio/trigger_consumer.h
@@ -27,7 +27,7 @@ int iio_device_unregister_trigger_consumer(struct iio_dev *dev_info);
  * iio_device_register_trigger_consumer() - set up an iio_dev to use triggers
  * @dev_info: iio_dev associated with the device that will consume the trigger
  **/
-int iio_device_register_trigger_consumer(struct iio_dev *dev_info)
+static int iio_device_register_trigger_consumer(struct iio_dev *dev_info)
 {
 	return 0;
 };
@@ -36,7 +36,7 @@ int iio_device_register_trigger_consumer(struct iio_dev *dev_info)
  * iio_device_unregister_trigger_consumer() - reverse the registration process
  * @dev_info: iio_dev associated with the device that consumed the trigger
  **/
-int iio_device_unregister_trigger_consumer(struct iio_dev *dev_info)
+static int iio_device_unregister_trigger_consumer(struct iio_dev *dev_info)
 {
 	return 0;
 };
diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c
index e4078a92d399..0392a4bc8cc8 100644
--- a/drivers/staging/line6/driver.c
+++ b/drivers/staging/line6/driver.c
@@ -33,7 +33,7 @@
 
 
 /* table of devices that work with this driver */
-static struct usb_device_id line6_id_table[] = {
+static const struct usb_device_id line6_id_table[] = {
 	{ USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXT) },
 	{ USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTLIVE) },
 	{ USB_DEVICE(LINE6_VENDOR_ID, LINE6_DEVID_BASSPODXTPRO) },
diff --git a/drivers/staging/line6/variax.c b/drivers/staging/line6/variax.c
index 48d834b0fa1b..58fef82c247d 100644
--- a/drivers/staging/line6/variax.c
+++ b/drivers/staging/line6/variax.c
@@ -254,7 +254,7 @@ static ssize_t variax_set_active(struct device *dev,
 	if (ret)
 		return ret;
 
-	variax->buffer_activate[VARIAX_OFFSET_ACTIVATE] = value ? 1: 0;
+	variax->buffer_activate[VARIAX_OFFSET_ACTIVATE] = value ? 1 : 0;
 	line6_send_raw_message_async(&variax->line6, variax->buffer_activate,
 				     sizeof(variax_activate));
 	return count;
diff --git a/drivers/staging/mimio/Kconfig b/drivers/staging/mimio/Kconfig
deleted file mode 100644
index 505dcb275796..000000000000
--- a/drivers/staging/mimio/Kconfig
+++ /dev/null
@@ -1,10 +0,0 @@
-config INPUT_MIMIO
-	tristate "Mimio Xi interactive whiteboard support"
-	depends on USB && INPUT
-	default N
-	help
-	  Say Y here if you want to use a Mimio Xi interactive
-	  whiteboard device.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called mimio.
diff --git a/drivers/staging/mimio/Makefile b/drivers/staging/mimio/Makefile
deleted file mode 100644
index 77807ee0450e..000000000000
--- a/drivers/staging/mimio/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_INPUT_MIMIO)	+= mimio.o
diff --git a/drivers/staging/mimio/mimio.c b/drivers/staging/mimio/mimio.c
deleted file mode 100644
index 1ba8103f5003..000000000000
--- a/drivers/staging/mimio/mimio.c
+++ /dev/null
@@ -1,914 +0,0 @@
-/*
- * Hardware event => input event mapping:
- *
- *
- *
- input.h:#define BTN_TOOL_PEN            0x140 black
- input.h:#define BTN_TOOL_RUBBER         0x141 blue
- input.h:#define BTN_TOOL_BRUSH          0x142 green
- input.h:#define BTN_TOOL_PENCIL         0x143 red
- input.h:#define BTN_TOOL_AIRBRUSH       0x144 eraser
- input.h:#define BTN_TOOL_FINGER         0x145 small eraser
- input.h:#define BTN_TOOL_MOUSE          0x146 mimio interactive
- input.h:#define BTN_TOOL_LENS           0x147 mimio interactive but1
- input.h:#define LOCALBTN_TOOL_EXTRA1    0x14a mimio interactive but2 == BTN_TOUCH
- input.h:#define LOCALBTN_TOOL_EXTRA2    0x14b mimio extra pens (orange, brown, yellow, purple) == BTN_STYLUS
- input.h:#define LOCALBTN_TOOL_EXTRA3    0x14c unused == BTN_STYLUS2
- input.h:#define BTN_TOOL_DOUBLETAP      0x14d unused
- input.h:#define BTN_TOOL_TRIPLETAP      0x14e unused
- *
- * MIMIO_EV_PENDOWN(MIMIO_PEN_K)     => EV_KEY BIT(BTN_TOOL_PEN)
- * MIMIO_EV_PENDOWN(MIMIO_PEN_B)     => EV_KEY BIT(BTN_TOOL_RUBBER)
- * MIMIO_EV_PENDOWN(MIMIO_PEN_G)     => EV_KEY BIT(BTN_TOOL_BRUSH)
- * MIMIO_EV_PENDOWN(MIMIO_PEN_R)     => EV_KEY BIT(BTN_TOOL_PENCIL)
- * MIMIO_EV_PENDOWN(MIMIO_PEN_E)     => EV_KEY BIT(BTN_TOOL_AIRBRUSH)
- * MIMIO_EV_PENDOWN(MIMIO_PEN_ES)    => EV_KEY BIT(BTN_TOOL_FINGER)
- * MIMIO_EV_PENDOWN(MIMIO_PEN_I)     => EV_KEY BIT(BTN_TOOL_MOUSE)
- * MIMIO_EV_PENDOWN(MIMIO_PEN_IL)    => EV_KEY BIT(BTN_TOOL_LENS)
- * MIMIO_EV_PENDOWN(MIMIO_PEN_IR)    => EV_KEY BIT(BTN_TOOL_DOUBLETAP)
- * MIMIO_EV_PENDOWN(MIMIO_PEN_EX)    => EV_KEY BIT(BTN_TOOL_TRIPLETAP)
- * MIMIO_EV_PENDATA                 => EV_ABS BIT(ABS_X), BIT(ABS_Y)
- * MIMIO_EV_MEMRESET              => EV_KEY BIT(BTN_0)
- * MIMIO_EV_ACC(ACC_NEWPAGE)       => EV_KEY BIT(BTN_1)
- * MIMIO_EV_ACC(ACC_TAGPAGE)      => EV_KEY BIT(BTN_2)
- * MIMIO_EV_ACC(ACC_PRINTPAGE)      => EV_KEY BIT(BTN_3)
- * MIMIO_EV_ACC(ACC_MAXIMIZE)      => EV_KEY BIT(BTN_4)
- * MIMIO_EV_ACC(ACC_FINDCTLPNL)      => EV_KEY BIT(BTN_5)
- *
- *
- * open issues:
- *      - cold-load of data captured when mimio in standalone mode not yet
- *         supported; need to snoop Win32 box to see datastream for this.
- *       - mimio mouse not yet supported; need to snoop Win32 box to see the
- *         datastream for this.
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/input.h>
-#include <linux/usb.h>
-
-#define DRIVER_VERSION		"v0.031"
-#define DRIVER_AUTHOR		"mwilder@cs.nmsu.edu"
-#define DRIVER_DESC		"USB mimio-xi driver"
-
-enum {UPVALUE, DOWNVALUE, MOVEVALUE};
-
-#define MIMIO_XRANGE_MAX	9600
-#define MIMIO_YRANGE_MAX	4800
-
-#define LOCALBTN_TOOL_EXTRA1	BTN_TOUCH
-#define LOCALBTN_TOOL_EXTRA2	BTN_STYLUS
-#define LOCALBTN_TOOL_EXTRA3	BTN_STYLUS2
-
-#define MIMIO_VENDOR_ID		0x08d3
-#define MIMIO_PRODUCT_ID	0x0001
-#define MIMIO_MAXPAYLOAD	(8)
-#define MIMIO_MAXNAMELEN	(64)
-#define MIMIO_TXWAIT		(1)
-#define MIMIO_TXDONE		(2)
-
-#define MIMIO_EV_PENDOWN	(0x22)
-#define MIMIO_EV_PENDATA	(0x24)
-#define MIMIO_EV_PENUP		(0x51)
-#define MIMIO_EV_MEMRESET	(0x45)
-#define MIMIO_EV_ACC		(0xb2)
-
-#define MIMIO_PEN_K		(1)	/* black pen */
-#define MIMIO_PEN_B		(2)	/* blue pen */
-#define MIMIO_PEN_G		(3)	/* green pen */
-#define MIMIO_PEN_R		(4)	/* red pen */
-/* 5, 6, 7, 8 are extra pens */
-#define MIMIO_PEN_E		(9)	/* big eraser */
-#define MIMIO_PEN_ES		(10)	/* lil eraser */
-#define MIMIO_PENJUMP_START	(10)
-#define MIMIO_PENJUMP		(6)
-#define MIMIO_PEN_I		(17)	/* mimio interactive */
-#define MIMIO_PEN_IL		(18)	/* mimio interactive button 1 */
-#define MIMIO_PEN_IR		(19)	/* mimio interactive button 2 */
-
-#define MIMIO_PEN_MAX		(MIMIO_PEN_IR)
-
-#define ACC_DONE		(0)
-#define ACC_NEWPAGE		(1)
-#define ACC_TAGPAGE		(2)
-#define ACC_PRINTPAGE		(4)
-#define ACC_MAXIMIZE		(8)
-#define ACC_FINDCTLPNL		(16)
-
-#define isvalidtxsize(n)	((n) > 0 && (n) <= MIMIO_MAXPAYLOAD)
-
-
-struct pktbuf {
-	unsigned char instr;
-	unsigned char buf[16];
-	unsigned char *p;
-	unsigned char *q;
-};
-
-struct usbintendpt {
-	dma_addr_t dma;
-	struct urb *urb;
-	unsigned char *buf;
-	struct usb_endpoint_descriptor *desc;
-};
-
-struct mimio {
-	struct input_dev *idev;
-	struct usb_device *udev;
-	struct usb_interface *uifc;
-	int open;
-	int present;
-	int greeted;
-	int txflags;
-	char phys[MIMIO_MAXNAMELEN];
-	struct usbintendpt in;
-	struct usbintendpt out;
-	struct pktbuf pktbuf;
-	unsigned char minor;
-	wait_queue_head_t waitq;
-	spinlock_t txlock;
-	void (*rxhandler)(struct mimio *, unsigned char *, unsigned int);
-	int last_pen_down;
-};
-
-static void mimio_close(struct input_dev *);
-static void mimio_dealloc(struct mimio *);
-static void mimio_disconnect(struct usb_interface *);
-static int mimio_greet(struct mimio *);
-static void mimio_irq_in(struct urb *);
-static void mimio_irq_out(struct urb *);
-static int mimio_open(struct input_dev *);
-static int mimio_probe(struct usb_interface *, const struct usb_device_id *);
-static void mimio_rx_handler(struct mimio *, unsigned char *, unsigned int);
-static int mimio_tx(struct mimio *, const char *, int);
-
-static char mimio_name[] = "VirtualInk mimio-Xi";
-static struct usb_device_id mimio_table [] = {
-	{ USB_DEVICE(MIMIO_VENDOR_ID, MIMIO_PRODUCT_ID) },
-	{ USB_DEVICE(0x0525, 0xa4a0) }, /* gadget zero firmware */
-	{ }
-};
-
-MODULE_DEVICE_TABLE(usb, mimio_table);
-
-static struct usb_driver mimio_driver = {
-	.name = "mimio",
-	.probe = mimio_probe,
-	.disconnect = mimio_disconnect,
-	.id_table = mimio_table,
-};
-
-static DECLARE_MUTEX(disconnect_sem);
-
-static void mimio_close(struct input_dev *idev)
-{
-	struct mimio *mimio;
-
-	mimio = input_get_drvdata(idev);
-	if (!mimio) {
-		dev_err(&idev->dev, "null mimio attached to input device\n");
-		return;
-	}
-
-	if (mimio->open <= 0)
-		dev_err(&idev->dev, "mimio not open.\n");
-	else
-		mimio->open--;
-
-	if (mimio->present == 0 && mimio->open == 0)
-		mimio_dealloc(mimio);
-}
-
-static void mimio_dealloc(struct mimio *mimio)
-{
-	if (mimio == NULL)
-		return;
-
-	usb_kill_urb(mimio->in.urb);
-
-	usb_kill_urb(mimio->out.urb);
-
-	if (mimio->idev) {
-		input_unregister_device(mimio->idev);
-		if (mimio->idev->grab)
-			input_close_device(mimio->idev->grab);
-		else
-			dev_dbg(&mimio->idev->dev, "mimio->idev->grab == NULL"
-				" -- didn't call input_close_device\n");
-	}
-
-	usb_free_urb(mimio->in.urb);
-
-	usb_free_urb(mimio->out.urb);
-
-	if (mimio->in.buf) {
-		usb_buffer_free(mimio->udev, MIMIO_MAXPAYLOAD, mimio->in.buf,
-				mimio->in.dma);
-	}
-
-	if (mimio->out.buf)
-		usb_buffer_free(mimio->udev, MIMIO_MAXPAYLOAD, mimio->out.buf,
-				mimio->out.dma);
-
-	if (mimio->idev)
-		input_free_device(mimio->idev);
-
-	kfree(mimio);
-}
-
-static void mimio_disconnect(struct usb_interface *ifc)
-{
-	struct mimio *mimio;
-
-	down(&disconnect_sem);
-
-	mimio = usb_get_intfdata(ifc);
-	usb_set_intfdata(ifc, NULL);
-	dev_dbg(&mimio->idev->dev, "disconnect\n");
-
-	if (mimio) {
-		mimio->present = 0;
-
-		if (mimio->open <= 0)
-			mimio_dealloc(mimio);
-	}
-
-	up(&disconnect_sem);
-}
-
-static int mimio_greet(struct mimio *mimio)
-{
-	const struct grtpkt {
-		int nbytes;
-		unsigned delay;
-		char data[8];
-	} grtpkts[] = {
-		{ 3, 0, { 0x11, 0x55, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00 } },
-		{ 5, 0, { 0x53, 0x55, 0x00, 0x00, 0x06, 0x00, 0x00, 0x00 } },
-		{ 5, 0, { 0x43, 0x55, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00 } },
-		{ 5, 0, { 0x33, 0x55, 0x00, 0x00, 0x66, 0x00, 0x00, 0x00 } },
-		{ 5, 0, { 0x13, 0x00, 0x5e, 0x02, 0x4f, 0x00, 0x00, 0x00 } },
-		{ 5, 0, { 0x13, 0x00, 0x04, 0x03, 0x14, 0x00, 0x00, 0x00 } },
-		{ 5, 2, { 0x13, 0x00, 0x00, 0x04, 0x17, 0x00, 0x00, 0x00 } },
-		{ 5, 0, { 0x13, 0x00, 0x0d, 0x08, 0x16, 0x00, 0x00, 0x00 } },
-		{ 5, 0, { 0x13, 0x00, 0x4d, 0x01, 0x5f, 0x00, 0x00, 0x00 } },
-		{ 3, 0, { 0xf1, 0x55, 0xa4, 0x00, 0x00, 0x00, 0x00, 0x00 } },
-		{ 7, 2, { 0x52, 0x55, 0x00, 0x07, 0x31, 0x55, 0x64, 0x00 } },
-		{ 0, 0, { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } },
-	};
-	int rslt;
-	const struct grtpkt *pkt;
-
-	for (pkt = grtpkts; pkt->nbytes; pkt++) {
-		rslt = mimio_tx(mimio, pkt->data, pkt->nbytes);
-		if (rslt)
-			return rslt;
-		if (pkt->delay)
-			msleep(pkt->delay);
-	}
-
-	return 0;
-}
-
-static void mimio_irq_in(struct urb *urb)
-{
-	int rslt;
-	char *data;
-	const char *reason = "going down";
-	struct mimio *mimio;
-
-	mimio = urb->context;
-
-	if (mimio == NULL)
-		/* paranoia */
-		return;
-
-	switch (urb->status) {
-	case 0:
-		/* success */
-		break;
-	case -ETIMEDOUT:
-		reason = "timeout -- unplugged?";
-	case -ECONNRESET:
-	case -ENOENT:
-	case -ESHUTDOWN:
-		dev_dbg(&mimio->idev->dev, "%s.\n", reason);
-		return;
-	default:
-		dev_dbg(&mimio->idev->dev, "unknown urb-status: %d.\n",
-			urb->status);
-		goto exit;
-	}
-	data = mimio->in.buf;
-
-	if (mimio->rxhandler)
-		mimio->rxhandler(mimio, data, urb->actual_length);
-exit:
-	/*
-	 * Keep listening to device on same urb.
-	 */
-	rslt = usb_submit_urb(urb, GFP_ATOMIC);
-	if (rslt)
-		dev_err(&mimio->idev->dev, "usb_submit_urb failure: %d.\n",
-			rslt);
-}
-
-static void mimio_irq_out(struct urb *urb)
-{
-	unsigned long flags;
-	struct mimio *mimio;
-
-	mimio = urb->context;
-
-	if (urb->status)
-		dev_dbg(&mimio->idev->dev, "urb-status: %d.\n", urb->status);
-
-	spin_lock_irqsave(&mimio->txlock, flags);
-	mimio->txflags |= MIMIO_TXDONE;
-	spin_unlock_irqrestore(&mimio->txlock, flags);
-	wmb();
-	wake_up(&mimio->waitq);
-}
-
-static int mimio_open(struct input_dev *idev)
-{
-	int rslt;
-	struct mimio *mimio;
-
-	rslt = 0;
-	down(&disconnect_sem);
-	mimio = input_get_drvdata(idev);
-	dev_dbg(&idev->dev, "mimio_open\n");
-
-	if (mimio == NULL) {
-		dev_err(&idev->dev, "null mimio.\n");
-		rslt = -ENODEV;
-		goto exit;
-	}
-
-	if (mimio->open++)
-		goto exit;
-
-	if (mimio->present && !mimio->greeted) {
-		struct urb *urb = mimio->in.urb;
-		mimio->in.urb->dev = mimio->udev;
-		rslt = usb_submit_urb(mimio->in.urb, GFP_KERNEL);
-		if (rslt) {
-			dev_err(&idev->dev, "usb_submit_urb failure "
-				"(res = %d: %s). Not greeting.\n",
-				rslt,
-				(!urb ? "urb is NULL" :
-				 (urb->hcpriv ? "urb->hcpriv is non-NULL" :
-				  (!urb->complete ? "urb is not complete" :
-				   (urb->number_of_packets <= 0 ? "urb has no packets" :
-				    (urb->interval <= 0 ? "urb interval too small" :
-				     "urb interval too large or some other error"))))));
-			rslt = -EIO;
-			goto exit;
-		}
-		rslt = mimio_greet(mimio);
-		if (rslt == 0) {
-			dev_dbg(&idev->dev, "Mimio greeted OK.\n");
-			mimio->greeted = 1;
-		} else {
-			dev_dbg(&idev->dev, "Mimio greet Failure (%d)\n",
-				rslt);
-		}
-	}
-
-exit:
-	up(&disconnect_sem);
-	return rslt;
-}
-
-static int mimio_probe(struct usb_interface *ifc,
-		       const struct usb_device_id *id)
-{
-	char path[64];
-	int pipe, maxp;
-	struct mimio *mimio;
-	struct usb_device *udev;
-	struct usb_host_interface *hostifc;
-	struct input_dev *input_dev;
-	int res = 0;
-	int i;
-
-	udev = interface_to_usbdev(ifc);
-
-	mimio = kzalloc(sizeof(struct mimio), GFP_KERNEL);
-	if (!mimio)
-		return -ENOMEM;
-
-	input_dev = input_allocate_device();
-	if (!input_dev) {
-		mimio_dealloc(mimio);
-		return -ENOMEM;
-	}
-
-	mimio->uifc = ifc;
-	mimio->udev = udev;
-	mimio->pktbuf.p = mimio->pktbuf.buf;
-	mimio->pktbuf.q = mimio->pktbuf.buf;
-	/* init_input_dev(mimio->idev); */
-	mimio->idev = input_dev;
-	init_waitqueue_head(&mimio->waitq);
-	spin_lock_init(&mimio->txlock);
-	hostifc = ifc->cur_altsetting;
-
-	if (hostifc->desc.bNumEndpoints != 2) {
-		dev_err(&udev->dev, "Unexpected endpoint count: %d.\n",
-			hostifc->desc.bNumEndpoints);
-		mimio_dealloc(mimio);
-		return -ENODEV;
-	}
-
-	mimio->in.desc = &(hostifc->endpoint[0].desc);
-	mimio->out.desc = &(hostifc->endpoint[1].desc);
-
-	mimio->in.buf = usb_buffer_alloc(udev, MIMIO_MAXPAYLOAD, GFP_KERNEL,
-					 &mimio->in.dma);
-	mimio->out.buf = usb_buffer_alloc(udev, MIMIO_MAXPAYLOAD, GFP_KERNEL,
-					  &mimio->out.dma);
-
-	if (mimio->in.buf == NULL || mimio->out.buf == NULL) {
-		dev_err(&udev->dev, "usb_buffer_alloc failure.\n");
-		mimio_dealloc(mimio);
-		return -ENOMEM;
-	}
-
-	mimio->in.urb = usb_alloc_urb(0, GFP_KERNEL);
-	mimio->out.urb = usb_alloc_urb(0, GFP_KERNEL);
-
-	if (mimio->in.urb == NULL || mimio->out.urb == NULL) {
-		dev_err(&udev->dev, "usb_alloc_urb failure.\n");
-		mimio_dealloc(mimio);
-		return -ENOMEM;
-	}
-
-	/*
-	 * Build the input urb.
-	 */
-	pipe = usb_rcvintpipe(udev, mimio->in.desc->bEndpointAddress);
-	maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
-	if (maxp > MIMIO_MAXPAYLOAD)
-		maxp = MIMIO_MAXPAYLOAD;
-	usb_fill_int_urb(mimio->in.urb, udev, pipe, mimio->in.buf, maxp,
-			 mimio_irq_in, mimio, mimio->in.desc->bInterval);
-	mimio->in.urb->transfer_dma = mimio->in.dma;
-	mimio->in.urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
-
-	/*
-	 * Build the output urb.
-	 */
-	pipe = usb_sndintpipe(udev, mimio->out.desc->bEndpointAddress);
-	maxp = usb_maxpacket(udev, pipe, usb_pipeout(pipe));
-	if (maxp > MIMIO_MAXPAYLOAD)
-		maxp = MIMIO_MAXPAYLOAD;
-	usb_fill_int_urb(mimio->out.urb, udev, pipe, mimio->out.buf, maxp,
-			 mimio_irq_out, mimio, mimio->out.desc->bInterval);
-	mimio->out.urb->transfer_dma = mimio->out.dma;
-	mimio->out.urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
-
-	/*
-	 * Build input device info
-	 */
-	usb_make_path(udev, path, 64);
-	snprintf(mimio->phys, MIMIO_MAXNAMELEN, "%s/input0", path);
-	input_set_drvdata(input_dev, mimio);
-	/* input_dev->dev = &ifc->dev; */
-	input_dev->open = mimio_open;
-	input_dev->close = mimio_close;
-	input_dev->name = mimio_name;
-	input_dev->phys = mimio->phys;
-	input_dev->dev.parent = &ifc->dev;
-
-	input_dev->id.bustype = BUS_USB;
-	input_dev->id.vendor = le16_to_cpu(udev->descriptor.idVendor);
-	input_dev->id.product = le16_to_cpu(udev->descriptor.idProduct);
-	input_dev->id.version = le16_to_cpu(udev->descriptor.bcdDevice);
-
-	input_dev->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS);
-	for (i = BTN_TOOL_PEN; i <= LOCALBTN_TOOL_EXTRA2; ++i)
-		set_bit(i, input_dev->keybit);
-
-	input_dev->keybit[BIT_WORD(BTN_MISC)] |= BIT_MASK(BTN_0) |
-						 BIT_MASK(BTN_1) |
-						 BIT_MASK(BTN_2) |
-						 BIT_MASK(BTN_3) |
-						 BIT_MASK(BTN_4) |
-						 BIT_MASK(BTN_5);
-	/*   input_dev->keybit[BTN_MOUSE] |= BIT(BTN_LEFT); */
-	input_dev->absbit[0] |= BIT_MASK(ABS_X) | BIT_MASK(ABS_Y);
-	input_set_abs_params(input_dev, ABS_X, 0, MIMIO_XRANGE_MAX, 0, 0);
-	input_set_abs_params(input_dev, ABS_Y, 0, MIMIO_YRANGE_MAX, 0, 0);
-	input_dev->absbit[BIT_WORD(ABS_MISC)] |= BIT_MASK(ABS_MISC);
-
-#if 0
-	input_dev->absmin[ABS_X] = 0;
-	input_dev->absmin[ABS_Y] = 0;
-	input_dev->absmax[ABS_X] = 9600;
-	input_dev->absmax[ABS_Y] = 4800;
-	input_dev->absfuzz[ABS_X] = 0;
-	input_dev->absfuzz[ABS_Y] = 0;
-	input_dev->absflat[ABS_X] = 0;
-	input_dev->absflat[ABS_Y] = 0;
-#endif
-
-#if 0
-	/* this will just reduce the precision */
-	input_dev->absfuzz[ABS_X] = 8; /* experimental; may need to change */
-	input_dev->absfuzz[ABS_Y] = 8; /* experimental; may need to change */
-#endif
-
-	/*
-	 * Register the input device.
-	 */
-	res = input_register_device(mimio->idev);
-	if (res) {
-		dev_err(&udev->dev, "input_register_device failure (%d)\n",
-			res);
-		mimio_dealloc(mimio);
-		return -EIO;
-	}
-	dev_dbg(&mimio->idev->dev, "input: %s on %s (res = %d).\n",
-		input_dev->name, input_dev->phys, res);
-
-	usb_set_intfdata(ifc, mimio);
-	mimio->present = 1;
-
-	/*
-	 * Submit the input urb to the usb subsystem.
-	 */
-	mimio->in.urb->dev = mimio->udev;
-	res = usb_submit_urb(mimio->in.urb, GFP_KERNEL);
-	if (res) {
-		dev_err(&mimio->idev->dev, "usb_submit_urb failure (%d)\n",
-			res);
-		mimio_dealloc(mimio);
-		return -EIO;
-	}
-
-	/*
-	 * Attempt to greet the mimio after giving
-	 * it some post-init settling time.
-	 *
-	 * note: sometimes this sleep interval isn't
-	 * long enough to permit the device to re-init
-	 * after a hot-swap; maybe need to bump it up.
-	 *
-	 * As it is, this probably breaks module unloading support!
-	 */
-	msleep(1024);
-
-	res = mimio_greet(mimio);
-	if (res == 0) {
-		dev_dbg(&mimio->idev->dev, "Mimio greeted OK.\n");
-		mimio->greeted = 1;
-		mimio->rxhandler = mimio_rx_handler;
-	} else {
-		dev_dbg(&mimio->idev->dev, "Mimio greet Failure (%d)\n", res);
-	}
-
-	return 0;
-}
-
-static int handle_mimio_rx_penupdown(struct mimio *mimio,
-				     int down,
-				     const char *const instr[],
-				     const int instr_ofst[])
-{
-	int penid, x;
-	if (mimio->pktbuf.q - mimio->pktbuf.p < (down ? 4 : 3))
-		return 1; 		/* partial pkt */
-
-	if (down) {
-		x = *mimio->pktbuf.p ^ *(mimio->pktbuf.p + 1) ^
-			*(mimio->pktbuf.p + 2);
-		if (x != *(mimio->pktbuf.p + 3)) {
-			dev_dbg(&mimio->idev->dev, "EV_PEN%s: bad xsum.\n",
-				down ? "DOWN":"UP");
-			/* skip this event data */
-			mimio->pktbuf.p += 4;
-			/* decode any remaining events */
-			return 0;
-		}
-		penid = mimio->pktbuf.instr = *(mimio->pktbuf.p + 2);
-		if (penid > MIMIO_PEN_MAX) {
-			dev_dbg(&mimio->idev->dev,
-				"Unmapped penID (not in [0, %d]): %d\n",
-				MIMIO_PEN_MAX, (int)mimio->pktbuf.instr);
-			penid = mimio->pktbuf.instr = 0;
-		}
-		mimio->last_pen_down = penid;
-	} else {
-		penid = mimio->last_pen_down;
-	}
-	dev_dbg(&mimio->idev->dev, "%s (id %d, code %d) %s.\n", instr[penid],
-		instr_ofst[penid], penid, down ? "down" : "up");
-
-	if (instr_ofst[penid] >= 0) {
-		int code = BTN_TOOL_PEN + instr_ofst[penid];
-		int value = down ? DOWNVALUE : UPVALUE;
-		if (code > KEY_MAX)
-			dev_dbg(&mimio->idev->dev, "input_event will ignore "
-				"-- code (%d) > KEY_MAX\n", code);
-		if (!test_bit(code, mimio->idev->keybit))
-			dev_dbg(&mimio->idev->dev, "input_event will ignore "
-				"-- bit for code (%d) not enabled\n", code);
-		if (!!test_bit(code, mimio->idev->key) == value)
-			dev_dbg(&mimio->idev->dev, "input_event will ignore "
-				"-- bit for code (%d) already set to %d\n",
-				code, value);
-		if (value != DOWNVALUE) {
-			/* input_regs(mimio->idev, regs); */
-			input_report_key(mimio->idev, code, value);
-			input_sync(mimio->idev);
-		} else {
-			/* wait until we get some coordinates */
-		}
-	} else {
-		dev_dbg(&mimio->idev->dev, "penID offset[%d] == %d is < 0 "
-			"- not sending\n", penid, instr_ofst[penid]);
-	}
-	mimio->pktbuf.p += down ? 4 : 3; /* 3 for up, 4 for down */
-	return 0;
-}
-
-/*
- * Stay tuned for partial-packet excitement.
- *
- * This routine buffers data packets received from the mimio device
- * in the mimio's data space.  This buffering is necessary because
- * the mimio's in endpoint can serve us partial packets of data, and
- * we want the driver to support the servicing of multiple mimios.
- * Empirical evidence gathered so far suggests that the method of
- * buffering packet data in the mimio's data space works.  Previous
- * versions of this driver did not buffer packet data in each mimio's
- * data-space, and were therefore not able to service multiple mimios.
- * Note that since the caller of this routine is running in interrupt
- * context, care needs to be taken to ensure that this routine does not
- * become bloated, and it may be that another spinlock is needed in each
- * mimio to guard the buffered packet data properly.
- */
-static void mimio_rx_handler(struct mimio *mimio,
-			     unsigned char *data,
-			     unsigned int nbytes)
-{
-	struct device *dev = &mimio->idev->dev;
-	unsigned int x;
-	unsigned int y;
-	static const char * const instr[] = {
-		"?0",
-		"black pen", "blue pen", "green pen", "red pen",
-		"brown pen", "orange pen", "purple pen", "yellow pen",
-		"big eraser", "lil eraser",
-		"?11", "?12", "?13", "?14", "?15", "?16",
-		"mimio interactive", "interactive button1",
-		"interactive button2"
-	};
-
-	/* Mimio Interactive gives:
-	 * down: [0x22 0x01 0x11 0x32 0x24]
-	 * b1  : [0x22 0x01 0x12 0x31 0x24]
-	 * b2  : [0x22 0x01 0x13 0x30 0x24]
-	 */
-	static const int instr_ofst[] = {
-		-1,
-		0, 1, 2, 3,
-		9, 9, 9, 9,
-		4, 5,
-		-1, -1, -1, -1, -1, -1,
-		6, 7, 8,
-	};
-
-	memcpy(mimio->pktbuf.q, data, nbytes);
-	mimio->pktbuf.q += nbytes;
-
-	while (mimio->pktbuf.p < mimio->pktbuf.q) {
-		int t = *mimio->pktbuf.p;
-		switch (t) {
-		case MIMIO_EV_PENUP:
-		case MIMIO_EV_PENDOWN:
-			if (handle_mimio_rx_penupdown(mimio,
-						      t == MIMIO_EV_PENDOWN,
-						      instr, instr_ofst))
-				return; /* partial packet */
-			break;
-
-		case MIMIO_EV_PENDATA:
-			if (mimio->pktbuf.q - mimio->pktbuf.p < 6)
-				/* partial pkt */
-				return;
-			x = *mimio->pktbuf.p ^ *(mimio->pktbuf.p + 1) ^
-				*(mimio->pktbuf.p + 2) ^
-				*(mimio->pktbuf.p + 3) ^
-				*(mimio->pktbuf.p + 4);
-			if (x != *(mimio->pktbuf.p + 5)) {
-				dev_dbg(dev, "EV_PENDATA: bad xsum.\n");
-				mimio->pktbuf.p += 6; /* skip this event data */
-				break; /* decode any remaining events */
-			}
-			x = *(mimio->pktbuf.p + 1);
-			x <<= 8;
-			x |= *(mimio->pktbuf.p + 2);
-			y = *(mimio->pktbuf.p + 3);
-			y <<= 8;
-			y |= *(mimio->pktbuf.p + 4);
-			dev_dbg(dev, "coord: (%d, %d)\n", x, y);
-			if (instr_ofst[mimio->pktbuf.instr] >= 0) {
-				int code = BTN_TOOL_PEN +
-					   instr_ofst[mimio->last_pen_down];
-#if 0
-				/* Utter hack to ensure we get forwarded _AND_
-				 * so we can identify when a complete signal is
-				 * received */
-				mimio->idev->abs[ABS_Y] = -1;
-				mimio->idev->abs[ABS_X] = -1;
-#endif
-				/* input_regs(mimio->idev, regs); */
-				input_report_abs(mimio->idev, ABS_X, x);
-				input_report_abs(mimio->idev, ABS_Y, y);
-				/* fake a penup */
-				change_bit(code, mimio->idev->key);
-				input_report_key(mimio->idev,
-						 code,
-						 DOWNVALUE);
-				/* always sync here */
-				mimio->idev->sync = 0;
-				input_sync(mimio->idev);
-			}
-			mimio->pktbuf.p += 6;
-			break;
-		case MIMIO_EV_MEMRESET:
-			if (mimio->pktbuf.q - mimio->pktbuf.p < 7)
-				/* partial pkt */
-				return;
-			dev_dbg(dev, "mem-reset.\n");
-			/* input_regs(mimio->idev, regs); */
-			input_event(mimio->idev, EV_KEY, BTN_0, 1);
-			input_event(mimio->idev, EV_KEY, BTN_0, 0);
-			input_sync(mimio->idev);
-			mimio->pktbuf.p += 7;
-			break;
-		case MIMIO_EV_ACC:
-			if (mimio->pktbuf.q - mimio->pktbuf.p < 4)
-				/* partial pkt */
-				return;
-			x = *mimio->pktbuf.p ^ *(mimio->pktbuf.p + 1) ^
-				*(mimio->pktbuf.p + 2);
-			if (x != *(mimio->pktbuf.p + 3)) {
-				dev_dbg(dev, "EV_ACC: bad xsum.\n");
-				mimio->pktbuf.p += 4; /* skip this event data */
-				break; /* decode any remaining events */
-			}
-			switch (*(mimio->pktbuf.p + 2)) {
-			case ACC_NEWPAGE:
-				dev_dbg(&mimio->idev->dev, "new-page.\n");
-				/* input_regs(mimio->idev, regs); */
-				input_event(mimio->idev, EV_KEY, BTN_1, 1);
-				input_event(mimio->idev, EV_KEY, BTN_1, 0);
-				input_sync(mimio->idev);
-				break;
-			case ACC_TAGPAGE:
-				dev_dbg(&mimio->idev->dev, "tag-page.\n");
-				/* input_regs(mimio->idev, regs); */
-				input_event(mimio->idev, EV_KEY, BTN_2, 1);
-				input_event(mimio->idev, EV_KEY, BTN_2, 0);
-				input_sync(mimio->idev);
-				break;
-			case ACC_PRINTPAGE:
-				dev_dbg(&mimio->idev->dev, "print-page.\n");
-				/* input_regs(mimio->idev, regs);*/
-				input_event(mimio->idev, EV_KEY, BTN_3, 1);
-				input_event(mimio->idev, EV_KEY, BTN_3, 0);
-				input_sync(mimio->idev);
-				break;
-			case ACC_MAXIMIZE:
-				dev_dbg(&mimio->idev->dev,
-					"maximize-window.\n");
-				/* input_regs(mimio->idev, regs); */
-				input_event(mimio->idev, EV_KEY, BTN_4, 1);
-				input_event(mimio->idev, EV_KEY, BTN_4, 0);
-				input_sync(mimio->idev);
-				break;
-			case ACC_FINDCTLPNL:
-				dev_dbg(&mimio->idev->dev, "find-ctl-panel.\n");
-				/* input_regs(mimio->idev, regs); */
-				input_event(mimio->idev, EV_KEY, BTN_5, 1);
-				input_event(mimio->idev, EV_KEY, BTN_5, 0);
-				input_sync(mimio->idev);
-				break;
-			case ACC_DONE:
-				dev_dbg(&mimio->idev->dev, "acc-done.\n");
-				/* no event is dispatched to the input
-				 * subsystem for this device event.
-				 */
-				break;
-			default:
-				dev_dbg(dev, "unknown acc event.\n");
-				break;
-			}
-			mimio->pktbuf.p += 4;
-			break;
-		default:
-			mimio->pktbuf.p++;
-			break;
-		}
-	}
-
-	/*
-	 * No partial event was received, so reset mimio's pktbuf ptrs.
-	 */
-	mimio->pktbuf.p = mimio->pktbuf.q = mimio->pktbuf.buf;
-}
-
-static int mimio_tx(struct mimio *mimio, const char *buf, int nbytes)
-{
-	int rslt;
-	int timeout;
-	unsigned long flags;
-	DECLARE_WAITQUEUE(wait, current);
-
-	if (!(isvalidtxsize(nbytes))) {
-		dev_err(&mimio->idev->dev, "invalid arg: nbytes: %d.\n",
-			nbytes);
-		return -EINVAL;
-	}
-
-	/*
-	 * Init the out urb and copy the data to send.
-	 */
-	mimio->out.urb->dev = mimio->udev;
-	mimio->out.urb->transfer_buffer_length = nbytes;
-	memcpy(mimio->out.urb->transfer_buffer, buf, nbytes);
-
-	/*
-	 * Send the data.
-	 */
-	spin_lock_irqsave(&mimio->txlock, flags);
-	mimio->txflags = MIMIO_TXWAIT;
-	rslt = usb_submit_urb(mimio->out.urb, GFP_ATOMIC);
-	spin_unlock_irqrestore(&mimio->txlock, flags);
-	dev_dbg(&mimio->idev->dev, "rslt: %d.\n", rslt);
-
-	if (rslt) {
-		dev_err(&mimio->idev->dev, "usb_submit_urb failure: %d.\n",
-			rslt);
-		return rslt;
-	}
-
-	/*
-	 * Wait for completion to be signalled (the mimio_irq_out
-	 * completion routine will or MIMIO_TXDONE in with txflags).
-	 */
-	timeout = HZ;
-	set_current_state(TASK_INTERRUPTIBLE);
-	add_wait_queue(&mimio->waitq, &wait);
-
-	while (timeout && ((mimio->txflags & MIMIO_TXDONE) == 0)) {
-		timeout = schedule_timeout(timeout);
-		rmb();
-	}
-
-	if ((mimio->txflags & MIMIO_TXDONE) == 0)
-		dev_dbg(&mimio->idev->dev, "tx timed out.\n");
-
-	/*
-	 * Now that completion has been signalled,
-	 * unlink the urb so that it can be recycled.
-	 */
-	set_current_state(TASK_RUNNING);
-	remove_wait_queue(&mimio->waitq, &wait);
-	usb_unlink_urb(mimio->out.urb);
-
-	return rslt;
-}
-
-static int __init mimio_init(void)
-{
-	int rslt;
-
-	rslt = usb_register(&mimio_driver);
-	if (rslt != 0) {
-		err("%s: usb_register failure: %d", __func__, rslt);
-		return rslt;
-	}
-
-	printk(KERN_INFO KBUILD_MODNAME ":"
-	       DRIVER_DESC " " DRIVER_VERSION "\n");
-	return rslt;
-}
-
-static void __exit mimio_exit(void)
-{
-	usb_deregister(&mimio_driver);
-}
-
-module_init(mimio_init);
-module_exit(mimio_exit);
-
-MODULE_AUTHOR(DRIVER_AUTHOR);
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
diff --git a/drivers/staging/otus/80211core/cagg.c b/drivers/staging/otus/80211core/cagg.c
index dbd0a5f0fcdf..f9514c06c14c 100644
--- a/drivers/staging/otus/80211core/cagg.c
+++ b/drivers/staging/otus/80211core/cagg.c
@@ -1832,14 +1832,12 @@ u16_t zfAggRxClear(zdev_t* dev, u32_t time)
 
 struct agg_tid_rx* zfAggRxEnabled(zdev_t* dev, zbuf_t* buf)
 {
-    u16_t   dst0, src[3], ac, aid, fragOff;
-    u8_t    up;
+    u16_t   dst0, src[3], aid;
     u16_t   offset = 0;
     u16_t   seq_no;
     u16_t frameType;
     u16_t frameCtrl;
     u16_t frameSubtype;
-    u32_t tcp_seq;
     //struct aggSta *agg_sta;
 #if ZM_AGG_FPGA_REORDERING
     struct agg_tid_rx *tid_rx;
@@ -1864,13 +1862,17 @@ struct agg_tid_rx* zfAggRxEnabled(zdev_t* dev, zbuf_t* buf)
         return NULL;
     }
 #ifdef ZM_ENABLE_PERFORMANCE_EVALUATION
-    tcp_seq = zmw_rx_buf_readb(dev, buf, 22+36) << 24;
-    tcp_seq += zmw_rx_buf_readb(dev, buf, 22+37) << 16;
-    tcp_seq += zmw_rx_buf_readb(dev, buf, 22+38) << 8;
-    tcp_seq += zmw_rx_buf_readb(dev, buf, 22+39);
+    {
+        u32_t tcp_seq;
+
+        tcp_seq = zmw_rx_buf_readb(dev, buf, 22+36) << 24;
+        tcp_seq += zmw_rx_buf_readb(dev, buf, 22+37) << 16;
+        tcp_seq += zmw_rx_buf_readb(dev, buf, 22+38) << 8;
+        tcp_seq += zmw_rx_buf_readb(dev, buf, 22+39);
+        ZM_SEQ_DEBUG("In                   %5d, %12u\n", seq_no, tcp_seq);
+    }
 #endif
 
-    ZM_SEQ_DEBUG("In                   %5d, %12u\n", seq_no, tcp_seq);
     dst0 = zmw_rx_buf_readh(dev, buf, offset+4);
 
     src[0] = zmw_rx_buf_readh(dev, buf, offset+10);
diff --git a/drivers/staging/otus/80211core/ccmd.c b/drivers/staging/otus/80211core/ccmd.c
index 8da28eee7fb0..3e3d9b500f65 100644
--- a/drivers/staging/otus/80211core/ccmd.c
+++ b/drivers/staging/otus/80211core/ccmd.c
@@ -1659,7 +1659,7 @@ void zfiWlanSetPacketTypePromiscuous(zdev_t *dev, u32_t setValue)
 	if (setValue) {
 		/* write register for sniffer mode */
 		zfHpSetSnifferMode(dev, 1);
-		zm_msg0_mm(ZM_LV_1, "enalbe sniffer mode");
+		zm_msg0_mm(ZM_LV_1, "enable sniffer mode");
 	} else {
 		zfHpSetSnifferMode(dev, 0);
 		zm_msg0_mm(ZM_LV_0, "disalbe sniffer mode");
diff --git a/drivers/staging/otus/80211core/cfunc.c b/drivers/staging/otus/80211core/cfunc.c
index d7c49d7523df..e0a9f383c755 100644
--- a/drivers/staging/otus/80211core/cfunc.c
+++ b/drivers/staging/otus/80211core/cfunc.c
@@ -1194,8 +1194,6 @@ u16_t zfFindMinimumUtilizationChannelIndex(zdev_t* dev, u16_t* array, u16_t coun
     u8_t   i;
     u16_t  tempMinIndex, tempMinValue;
 
-    zmw_get_wlan_dev(dev);
-
     i = 1;
     tempMinIndex = 0;
     tempMinValue = array[tempMinIndex];
diff --git a/drivers/staging/otus/80211core/cmm.c b/drivers/staging/otus/80211core/cmm.c
index a6c1b41ba848..484e753df358 100644
--- a/drivers/staging/otus/80211core/cmm.c
+++ b/drivers/staging/otus/80211core/cmm.c
@@ -346,8 +346,6 @@ u16_t zfFindSuperGElement(zdev_t* dev, zbuf_t* buf, u8_t type)
     u8_t super_feature;
     u8_t ouiSuperG[6] = {0x00,0x03,0x7f,0x01, 0x01, 0x00};
 
-    zmw_get_wlan_dev(dev);
-
     /* Get offset of first element */
     subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4);
     if ((offset = zgElementOffsetTable[subType]) == 0xff)
@@ -411,8 +409,6 @@ u16_t zfFindXRElement(zdev_t* dev, zbuf_t* buf, u8_t type)
     u8_t id;
     u8_t ouixr[6] = {0x00,0x03,0x7f,0x03, 0x01, 0x00};
 
-    zmw_get_wlan_dev(dev);
-
     /* Get offset of first element */
     subType = (zmw_rx_buf_readb(dev, buf, 0) >> 4);
     if ((offset = zgElementOffsetTable[subType]) == 0xff)
diff --git a/drivers/staging/otus/80211core/cmmsta.c b/drivers/staging/otus/80211core/cmmsta.c
index a11d559167b1..c3fd47529c14 100644
--- a/drivers/staging/otus/80211core/cmmsta.c
+++ b/drivers/staging/otus/80211core/cmmsta.c
@@ -2808,7 +2808,7 @@ void zfStaProcessProbeReq(zdev_t* dev, zbuf_t* buf, u16_t* src)
     zmw_get_wlan_dev(dev);
 
     /* check mode : AP/IBSS */
-    if ((wd->wlanMode != ZM_MODE_AP) || (wd->wlanMode != ZM_MODE_IBSS))
+    if ((wd->wlanMode != ZM_MODE_AP) && (wd->wlanMode != ZM_MODE_IBSS))
     {
         zm_msg0_mm(ZM_LV_3, "Ignore probe req");
         return;
@@ -4848,8 +4848,6 @@ u16_t zfStaAddIePowerCap(zdev_t* dev, zbuf_t* buf, u16_t offset)
     u8_t MaxTxPower;
     u8_t MinTxPower;
 
-    zmw_get_wlan_dev(dev);
-
     /* Element ID */
     zmw_tx_buf_writeb(dev, buf, offset++, ZM_WLAN_EID_POWER_CAPABILITY);
 
@@ -5276,7 +5274,6 @@ u16_t zfStaRxValidateFrame(zdev_t* dev, zbuf_t* buf)
     u8_t   da0;
     //u16_t  sa[3];
     u16_t  ret;
-    u16_t  i;
     //u8_t    sa0;
 
     zmw_get_wlan_dev(dev);
@@ -5738,8 +5735,6 @@ u16_t zfComputeBssInfoWeightValue(zdev_t *dev, u8_t isBMode, u8_t isHT, u8_t isH
 	u8_t  weightOfN40BelowThr = 16;
 	u8_t  weightOfN40UpThr    = 32;
 
-    zmw_get_wlan_dev(dev);
-
     if( isBMode == 0 )
         return (signalStrength + weightOfB);    // pure b mode , do not add the weight value for this AP !
     else
diff --git a/drivers/staging/otus/80211core/cpsmgr.c b/drivers/staging/otus/80211core/cpsmgr.c
index cf73caca8e52..98e1f0cc0727 100644
--- a/drivers/staging/otus/80211core/cpsmgr.c
+++ b/drivers/staging/otus/80211core/cpsmgr.c
@@ -381,8 +381,6 @@ static void zfPowerSavingMgrSleepIfIdle(zdev_t *dev)
 
 static void zfPowerSavingMgrDisconnectMain(zdev_t* dev)
 {
-    zmw_get_wlan_dev(dev);
-
 #ifdef ZM_ENABLE_DISCONNECT_PS
     switch(wd->sta.psMgr.state)
     {
diff --git a/drivers/staging/otus/80211core/cscanmgr.c b/drivers/staging/otus/80211core/cscanmgr.c
index b32835c87590..be7d8ebe82ba 100644
--- a/drivers/staging/otus/80211core/cscanmgr.c
+++ b/drivers/staging/otus/80211core/cscanmgr.c
@@ -289,8 +289,6 @@ static void zfScanMgrEventSetFreqCompleteCb(zdev_t* dev)
 
 static void zfScanMgrEventScanCompleteCb(zdev_t* dev)
 {
-    zmw_get_wlan_dev(dev);
-
     if ((zfStaIsConnected(dev)) && (!zfPowerSavingMgrIsSleeping(dev)))
     {
         zfSendNullData(dev, 0);
diff --git a/drivers/staging/otus/80211core/ctkip.c b/drivers/staging/otus/80211core/ctkip.c
index be42f7aaa37d..ca0740227be4 100644
--- a/drivers/staging/otus/80211core/ctkip.c
+++ b/drivers/staging/otus/80211core/ctkip.c
@@ -255,7 +255,8 @@ void zfTkipInit(u8_t* key, u8_t* ta, struct zsTkipSeed* pSeed, u8_t* initIv)
     zfMemoryCopy(pSeed->ta, ta, 6);
     zfMemoryCopy(pSeed->tk, key, 16);
 
-    iv16 = *initIv++;
+    iv16 = *initIv;
+    initIv++;
     iv16 += *initIv<<8;
     initIv++;
 
@@ -264,7 +265,7 @@ void zfTkipInit(u8_t* key, u8_t* ta, struct zsTkipSeed* pSeed, u8_t* initIv)
     for(i=0; i<4; i++)      // initiv is little endian
     {
         iv32 += *initIv<<(i*8);
-        *initIv++;
+        initIv++;
     }
 
     pSeed->iv32 = iv32+1; // Force Recalculating on Tkip Phase1
diff --git a/drivers/staging/otus/80211core/ctxrx.c b/drivers/staging/otus/80211core/ctxrx.c
index ac54d5a636b0..4e7f4bd86f47 100644
--- a/drivers/staging/otus/80211core/ctxrx.c
+++ b/drivers/staging/otus/80211core/ctxrx.c
@@ -536,8 +536,7 @@ void zfProtRspSim(zdev_t* dev, zbuf_t* buf)
         zm_msg2_rx(ZM_LV_2, "ip1=", dip[1]);
 
         //ARP request to 192.168.1.15
-        if ((arpOp == 0x0100) && (dip[0] == 0xa8c0) && (dip[1] == 0x0f01));
-        {
+        if ((arpOp == 0x0100) && (dip[0] == 0xa8c0) && (dip[1] == 0x0f01)) {
             zm_msg0_rx(ZM_LV_2, "ARP");
             /* ARP response */
             zmw_rx_buf_writeh(dev, buf, 20, 0x0200);
@@ -883,7 +882,6 @@ zlError:
 /************************************************************************/
 u16_t zfTxSendEth(zdev_t* dev, zbuf_t* buf, u16_t port, u16_t bufType, u16_t flag)
 {
-    u16_t err;
     //u16_t addrTblSize;
     //struct zsAddrTbl addrTbl;
     u16_t removeLen;
@@ -905,7 +903,6 @@ u16_t zfTxSendEth(zdev_t* dev, zbuf_t* buf, u16_t port, u16_t bufType, u16_t fla
     u8_t qosType, keyIdx = 0;
     u16_t fragOff;
     u16_t newFlag;
-    struct zsMicVar*  pMicKey;
     u8_t tkipFrameOffset = 0;
 
     zmw_get_wlan_dev(dev);
@@ -1693,8 +1690,6 @@ void zfShowTxEAPOL(zdev_t* dev, zbuf_t* buf, u16_t offset)
     u16_t  packetLen, keyInfo, keyLen, keyDataLen, length, Op_Code;
     u32_t  replayCounterH, replayCounterL, vendorId, VendorType;
 
-    zmw_get_wlan_dev(dev);
-
     zm_debug_msg1("EAPOL Packet size = ", zfwBufGetSize(dev, buf));
 
     /* EAPOL packet type */
@@ -2437,7 +2432,6 @@ void zfiRecv80211(zdev_t* dev, zbuf_t* buf, struct zsAdditionInfo* addInfo)
                     u16_t IvOffset;
                     u8_t keyLen = 5;
                     u8_t iv[3];
-                    u8_t *wepKey;
                     u8_t keyIdx;
 
                     IvOffset = offset + ZM_SIZE_OF_WLAN_DATA_HEADER;
diff --git a/drivers/staging/otus/80211core/ledmgr.c b/drivers/staging/otus/80211core/ledmgr.c
index 1e104a928ca4..eafce0b1204f 100644
--- a/drivers/staging/otus/80211core/ledmgr.c
+++ b/drivers/staging/otus/80211core/ledmgr.c
@@ -187,7 +187,6 @@ void zfLedCtrlType2_scan(zdev_t* dev);
 
 void zfLedCtrlType2(zdev_t* dev)
 {
-    u32_t ton, toff, tmp, period;
     u16_t OperateLED;
     zmw_get_wlan_dev(dev);
 
diff --git a/drivers/staging/otus/80211core/pub_zfi.h b/drivers/staging/otus/80211core/pub_zfi.h
index b7b7f455f357..5202e5a645d5 100644
--- a/drivers/staging/otus/80211core/pub_zfi.h
+++ b/drivers/staging/otus/80211core/pub_zfi.h
@@ -814,7 +814,6 @@ extern void zfiRxPerformanceReg(zdev_t* dev, u32_t reg, u32_t rsp);
 #define ZM_PERFORMANCE_RX_AMSDU(dev, buf, len)
 #define ZM_PERFORMANCE_RX_FLUSH(dev)
 #define ZM_PERFORMANCE_RX_CLEAR(dev)
-#define ZM_SEQ_DEBUG
 #define ZM_PERFORMANCE_RX_REORDER(dev)
 #endif
 /***** End of section 3 *****/
diff --git a/drivers/staging/otus/Kconfig b/drivers/staging/otus/Kconfig
index f6cc2625e341..e9181340bef1 100644
--- a/drivers/staging/otus/Kconfig
+++ b/drivers/staging/otus/Kconfig
@@ -1,6 +1,8 @@
 config OTUS
 	tristate "Atheros OTUS 802.11n USB wireless support"
 	depends on USB && WLAN && MAC80211
+	select WIRELESS_EXT
+	select WEXT_PRIV
 	default N
 	---help---
 	  Enable support for Atheros 802.11n USB hardware:
diff --git a/drivers/staging/otus/apdbg.c b/drivers/staging/otus/apdbg.c
index 0eb93f19958a..b59028e7e33c 100644
--- a/drivers/staging/otus/apdbg.c
+++ b/drivers/staging/otus/apdbg.c
@@ -90,8 +90,27 @@ struct zdap_ioctl {
 
 #endif
 
-char hex(char);
-unsigned char asctohex(char *str);
+static char hex(char v)
+{
+	if (isdigit(v))
+		return v - '0';
+	else if (isxdigit(v))
+		return tolower(v) - 'a' + 10;
+	else
+		return 0;
+}
+
+static unsigned char asctohex(char *str)
+{
+	unsigned char value;
+
+	value = hex(*str) & 0x0f;
+	value = value << 4;
+	str++;
+	value |= hex(*str) & 0x0f;
+
+	return value;
+}
 
 char *prgname;
 
@@ -109,10 +128,10 @@ int set_ioctl(int sock, struct ifreq *req)
 
 int read_reg(int sock, struct ifreq *req)
 {
-	struct zdap_ioctl *zdreq = 0;
+	struct zdap_ioctl *zdreq = NULL;
 
 	if (!set_ioctl(sock, req))
-			return -1;
+		return -1;
 
 	/*
 	 * zdreq = (struct zdap_ioctl *)req->ifr_data;
@@ -125,7 +144,7 @@ int read_reg(int sock, struct ifreq *req)
 
 int read_mem(int sock, struct ifreq *req)
 {
-	struct zdap_ioctl *zdreq = 0;
+	struct zdap_ioctl *zdreq = NULL;
 	int i;
 
 	if (!set_ioctl(sock, req))
@@ -368,7 +387,7 @@ int main(int argc, char **argv)
 
 		zdreq.addr = addr;
 		zdreq.cmd = ZM_IOCTL_SET_PIBSS_MODE;
-	} else 	{
+	} else {
 		fprintf(stderr, "error action\n");
 		exit(1);
 	}
@@ -380,25 +399,3 @@ fail:
 	exit(0);
 }
 
-unsigned char asctohex(char *str)
-{
-	unsigned char value;
-
-	value = hex(*str) & 0x0f;
-	value = value << 4;
-	str++;
-	value |= hex(*str) & 0x0f;
-
-	return value;
-}
-
-char hex(char v)
-{
-	if (isdigit(v))
-		return v - '0';
-	else if (isxdigit(v))
-		return tolower(v) - 'a' + 10;
-	else
-		return 0;
-}
-
diff --git a/drivers/staging/otus/hal/hpmain.c b/drivers/staging/otus/hal/hpmain.c
index 94f9cbbbdefc..8dff5b97dfe3 100644
--- a/drivers/staging/otus/hal/hpmain.c
+++ b/drivers/staging/otus/hal/hpmain.c
@@ -1316,7 +1316,6 @@ void zfHpSetFrequencyEx(zdev_t* dev, u32_t frequency, u8_t bw40,
         u8_t extOffset, u8_t initRF)
 {
     u32_t cmd[9];
-    u32_t cmdB[3];
     u16_t ret;
     u8_t old_band;
     u8_t new_band;
@@ -3434,7 +3433,6 @@ void zfSetPowerCalTable(zdev_t* dev, u32_t frequency, u8_t bw40, u8_t extOffset)
     /* Write PHY regs 672-703 */
     for (i=0; i<128; i+=4)
     {
-        u32_t regAddr = 0x9800 + (672 * 4);
         u32_t val;
 
         val = ((u32_t)vpd_chain1[i+3]<<24) |
@@ -3485,7 +3483,6 @@ void zfSetPowerCalTable(zdev_t* dev, u32_t frequency, u8_t bw40, u8_t extOffset)
     /* Write PHY regs 672-703 + 0x1000 */
     for (i=0; i<128; i+=4)
     {
-        u32_t regAddr = 0x9800 + (672 * 4) + 0x1000;
         u32_t val;
 
         val = ((u32_t)vpd_chain3[i+3]<<24) |
@@ -4584,7 +4581,6 @@ void zfHpSetRollCallTable(zdev_t* dev)
 void zfHpSetTTSIFSTime(zdev_t* dev, u8_t sifs_time)
 {
     u32_t reg_value = 0;
-    zmw_get_wlan_dev(dev);
 
     sifs_time &= 0x3f;
     reg_value = 0x14400b | (((u32_t)sifs_time)<<24);
diff --git a/drivers/staging/otus/hal/hpreg.c b/drivers/staging/otus/hal/hpreg.c
index d9894fe5f4ec..178777c09dbd 100644
--- a/drivers/staging/otus/hal/hpreg.c
+++ b/drivers/staging/otus/hal/hpreg.c
@@ -786,45 +786,6 @@ enum {
 	WT1_5760_5800,
 };
 
-static REG_DMN_FREQ_BAND regDmn5GhzTurboFreq[] = {
-	{ 5130, 5210, 5,  6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* T1_5130_5210 */
-	{ 5250, 5330, 5,  6, 40, 40, DFS_FCC3, NO_PSCAN, 0, 0},	/* T1_5250_5330 */
-	{ 5370, 5490, 5,  6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* T1_5370_5490 */
-	{ 5530, 5650, 5,  6, 40, 40, DFS_FCC3, NO_PSCAN, 0, 0},	/* T1_5530_5650 */
-
-	{ 5150, 5190, 5,  6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* T1_5150_5190 */
-	{ 5230, 5310, 5,  6, 40, 40, DFS_FCC3, NO_PSCAN, 0, 0},	/* T1_5230_5310 */
-	{ 5350, 5470, 5,  6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* T1_5350_5470 */
-	{ 5510, 5670, 5,  6, 40, 40, DFS_FCC3, NO_PSCAN, 0, 0},	/* T1_5510_5670 */
-
-	{ 5200, 5240, 17, 6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* T1_5200_5240 */
-	{ 5200, 5240, 23, 6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* T2_5200_5240 */
-	{ 5210, 5210, 17, 6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* T1_5210_5210 */
-	{ 5210, 5210, 23, 0, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* T2_5210_5210 */
-
-	{ 5280, 5280, 23, 6, 40, 40, DFS_FCC3, PSCAN_FCC_T, 0, 0},	/* T1_5280_5280 */
-	{ 5280, 5280, 20, 6, 40, 40, DFS_FCC3, PSCAN_FCC_T, 0, 0},	/* T2_5280_5280 */
-	{ 5250, 5250, 17, 0, 40, 40, DFS_FCC3, PSCAN_FCC_T, 0, 0},	/* T1_5250_5250 */
-	{ 5290, 5290, 20, 0, 40, 40, DFS_FCC3, PSCAN_FCC_T, 0, 0},	/* T1_5290_5290 */
-	{ 5250, 5290, 20, 0, 40, 40, DFS_FCC3, PSCAN_FCC_T, 0, 0},	/* T1_5250_5290 */
-	{ 5250, 5290, 23, 6, 40, 40, DFS_FCC3, PSCAN_FCC_T, 0, 0},	/* T2_5250_5290 */
-
-	{ 5540, 5660, 20, 6, 40, 40, DFS_FCC3, PSCAN_FCC_T, 0, 0},	/* T1_5540_5660 */
-	{ 5760, 5800, 20, 0, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* T1_5760_5800 */
-	{ 5760, 5800, 30, 6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* T2_5760_5800 */
-
-	{ 5765, 5805, 30, 6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* T1_5765_5805 */
-
-	/*
-	 * Below are the WWR frequencies
-	 */
-
-	{ 5210, 5250, 15, 0, 40, 40, DFS_FCC3 | DFS_ETSI, PSCAN_WWR, 0, 0}, /* WT1_5210_5250 */
-	{ 5290, 5290, 18, 0, 40, 40, DFS_FCC3 | DFS_ETSI, PSCAN_WWR, 0, 0}, /* WT1_5290_5290 */
-	{ 5540, 5660, 20, 0, 40, 40, DFS_FCC3 | DFS_ETSI, PSCAN_WWR, 0, 0}, /* WT1_5540_5660 */
-	{ 5760, 5800, 20, 0, 40, 40, NO_DFS, PSCAN_WWR, 0, 0},	/* WT1_5760_5800 */
-};
-
 /*
  * 2GHz 11b channel tags
  */
@@ -864,45 +825,6 @@ enum {
 	W2_2484_2484,
 };
 
-static REG_DMN_FREQ_BAND regDmn2GhzFreq[] = {
-	{ 2312, 2372, 5,  6, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* F1_2312_2372 */
-	{ 2312, 2372, 20, 0, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* F2_2312_2372 */
-
-	{ 2412, 2472, 5,  6, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* F1_2412_2472 */
-	{ 2412, 2472, 20, 0, 20, 5, NO_DFS, PSCAN_MKKA, 0, 0},	/* F2_2412_2472 */
-	{ 2412, 2472, 30, 0, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* F3_2412_2472 */
-
-	{ 2412, 2462, 27, 6, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* F1_2412_2462 */
-	{ 2412, 2462, 20, 0, 20, 5, NO_DFS, PSCAN_MKKA, 0, 0},	/* F2_2412_2462 */
-	{ 2432, 2442, 20, 0, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* F1_2432_2442 */
-
-	{ 2457, 2472, 20, 0, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* F1_2457_2472 */
-
-	{ 2467, 2472, 20, 0, 20, 5, NO_DFS, PSCAN_MKKA2 | PSCAN_MKKA, 0, 0}, /* F1_2467_2472 */
-
-	{ 2484, 2484, 5,  6, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* F1_2484_2484 */
-	{ 2484, 2484, 20, 0, 20, 5, NO_DFS, PSCAN_MKKA | PSCAN_MKKA1 | PSCAN_MKKA2, 0, 0},	/* F2_2484_2484 */
-
-	{ 2512, 2732, 5,  6, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* F1_2512_2732 */
-
-	/*
-	 * WWR have powers opened up to 20dBm.  Limits should often come from CTL/Max powers
-	 */
-
-	{ 2312, 2372, 20, 0, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* W1_2312_2372 */
-	{ 2412, 2412, 20, 0, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* W1_2412_2412 */
-	{ 2417, 2432, 20, 0, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* W1_2417_2432 */
-	{ 2437, 2442, 20, 0, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* W1_2437_2442 */
-	{ 2447, 2457, 20, 0, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* W1_2447_2457 */
-	{ 2462, 2462, 20, 0, 20, 5, NO_DFS, NO_PSCAN, 0, 0},	/* W1_2462_2462 */
-	{ 2467, 2467, 20, 0, 20, 5, NO_DFS, PSCAN_WWR | IS_ECM_CHAN, 0, 0}, /* W1_2467_2467 */
-	{ 2467, 2467, 20, 0, 20, 5, NO_DFS, NO_PSCAN | IS_ECM_CHAN, 0, 0},	/* W2_2467_2467 */
-	{ 2472, 2472, 20, 0, 20, 5, NO_DFS, PSCAN_WWR | IS_ECM_CHAN, 0, 0}, /* W1_2472_2472 */
-	{ 2472, 2472, 20, 0, 20, 5, NO_DFS, NO_PSCAN | IS_ECM_CHAN, 0, 0},	/* W2_2472_2472 */
-	{ 2484, 2484, 20, 0, 20, 5, NO_DFS, PSCAN_WWR | IS_ECM_CHAN, 0, 0}, /* W1_2484_2484 */
-	{ 2484, 2484, 20, 0, 20, 5, NO_DFS, NO_PSCAN | IS_ECM_CHAN, 0, 0},	/* W2_2484_2484 */
-};
-
 
 /*
  * 2GHz 11g channel tags
@@ -984,16 +906,6 @@ enum {
 	T1_2512_2732
 };
 
-static REG_DMN_FREQ_BAND regDmn2Ghz11gTurboFreq[] = {
-	{ 2312, 2372, 5,  6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},  /* T1_2312_2372 */
-	{ 2437, 2437, 5,  6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},  /* T1_2437_2437 */
-	{ 2437, 2437, 20, 6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},  /* T2_2437_2437 */
-	{ 2437, 2437, 18, 6, 40, 40, NO_DFS, PSCAN_WWR, 0, 0}, /* T3_2437_2437 */
-	{ 2512, 2732, 5,  6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},  /* T1_2512_2732 */
-};
-
-
-
 /*
  * 2GHz 11n frequency tags
  */
@@ -1005,15 +917,6 @@ enum {
     NG_DEMO_ALL_CHANNELS,
 };
 
-static REG_DMN_FREQ_BAND regDmn2Ghz11ngFreq[] = {
-    { 2422, 2452, 20, 0, 40, 5, NO_DFS, NO_PSCAN, 0, 0},    /* NG1_2422_2452 */
-    { 2422, 2452, 27, 0, 40, 5, NO_DFS, NO_PSCAN, 0, 0},    /* NG2_2422_2452 */
-    { 2422, 2452, 30, 0, 40, 5, NO_DFS, NO_PSCAN, 0, 0},    /* NG3_2422_2452 */
-
-	{ 2312, 2732, 27, 6, 20, 5, NO_DFS, NO_PSCAN, 0, 0},    /* NG_DEMO_ALL_CHANNELS */
-};
-
-
 /*
  * 5GHz 11n frequency tags
  */
@@ -1050,42 +953,6 @@ enum {
     NA_DEMO_ALL_CHANNELS,
 };
 
-static REG_DMN_FREQ_BAND regDmn5Ghz11naFreq[] = {
-    /*
-     * ToDo: This table needs to be completely populated with 5GHz 11n properties
-     */
-	{ 5190, 5230, 15,  0, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	    /* NA1_5190_5230 */
-	{ 5190, 5230, 17,  6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* NA2_5190_5230 */
-	{ 5190, 5230, 18,  6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	    /* NA3_5190_5230 */
-	{ 5190, 5230, 20,  0, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* NA4_5190_5230 */
-	{ 5190, 5230, 23,  6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	    /* NA5_5190_5230 */
-
-	{ 5270, 5270, 23,  6, 40, 40, DFS_FCC3|DFS_ETSI, NO_PSCAN, 0, 1},  /* NA1_5270_5270 */
-
-	{ 5270, 5310, 18,  6, 40, 40, DFS_FCC3|DFS_ETSI, NO_PSCAN, 0, 1},  /* NA1_5270_5310 */
-	{ 5270, 5310, 20,  0, 40, 40, DFS_FCC3|DFS_ETSI|DFS_MKK4, NO_PSCAN, 0, 1},  /* NA2_5270_5310 */
-	{ 5270, 5310, 23,  6, 40, 40, DFS_FCC3|DFS_ETSI, NO_PSCAN, 0, 1},  /* NA3_5270_5310 */
-	{ 5270, 5310, 30,  6, 40, 40, DFS_FCC3|DFS_ETSI, NO_PSCAN, 0, 1},  /* NA4_5270_5310 */
-
-	{ 5310, 5310, 17,  6, 40, 40, DFS_FCC3|DFS_ETSI, NO_PSCAN, 0, 1},  /* NA1_5310_5310 */
-
-	{ 5510, 5630, 30,  6, 40, 40, DFS_FCC3|DFS_ETSI, NO_PSCAN, 0, 1},  /* NA1_5510_5630 */
-
-	{ 5510, 5670, 20,  6, 40, 40, DFS_FCC3|DFS_ETSI|DFS_MKK4, NO_PSCAN, 0, 1},  /* NA1_5510_5670 */
-	{ 5510, 5670, 27,  0, 40, 40, DFS_FCC3|DFS_ETSI, NO_PSCAN, 0, 1},  /* NA2_5510_5670 */
-	{ 5510, 5670, 30,  6, 40, 40, DFS_FCC3, NO_PSCAN, 0, 1},   /* NA3_5510_5670 */
-
-	{ 5755, 5795, 17,  0, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	    /* NA1_5755_5795 */
-	{ 5755, 5795, 20,  6, 40, 40, DFS_ETSI, NO_PSCAN, 0, 0},	    /* NA2_5755_5795 */
-	{ 5755, 5795, 23,  0, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	    /* NA3_5755_5795 */
-	{ 5755, 5795, 30,  0, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* NA4_5755_5795 */
-	{ 5755, 5795, 30,  6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	    /* NA5_5755_5795 */
-
-	{ 5795, 5795, 30,  6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	    /* NA1_5795_5795 */
-
-    { 4920, 6100, 30,  6, 40, 40, NO_DFS, NO_PSCAN, 0, 0},	/* NA_DEMO_ALL_CHANNELS */
-};
-
 typedef struct regDomain {
 	u16_t regDmnEnum;	/* value from EnumRd table */
 	u8_t conformanceTestLimit;
diff --git a/drivers/staging/otus/hal/hprw.c b/drivers/staging/otus/hal/hprw.c
index d9fad47d5d59..4dbd5fb44b0a 100644
--- a/drivers/staging/otus/hal/hprw.c
+++ b/drivers/staging/otus/hal/hprw.c
@@ -282,7 +282,6 @@ void zfIdlRsp(zdev_t* dev, u32_t* rsp, u16_t rspLen)
     else if (src == ZM_OID_FLASH_READ)
     {
         u32_t  datalen;
-        u16_t i;
 
         datalen = (rsp[0] & 255);
 
diff --git a/drivers/staging/otus/ioctl.c b/drivers/staging/otus/ioctl.c
index 6808e69fb354..8c47b1a68627 100644
--- a/drivers/staging/otus/ioctl.c
+++ b/drivers/staging/otus/ioctl.c
@@ -866,15 +866,15 @@ int usbdrvwext_giwscan(struct net_device *dev,
 	char *current_ev = extra;
 	char *end_buf;
 	int i;
-	/* struct zsBssList BssList; */
-	struct zsBssListV1 *pBssList = kmalloc(sizeof(struct zsBssListV1),
-								GFP_KERNEL);
 	/* BssList = wd->sta.pBssList; */
 	/* zmw_get_wlan_dev(dev); */
 
 	if (macp->DeviceOpened != 1)
 		return 0;
 
+	/* struct zsBssList BssList; */
+	struct zsBssListV1 *pBssList = kmalloc(sizeof(struct zsBssListV1),
+								GFP_KERNEL);
 	if (data->length == 0)
 		end_buf = extra + IW_SCAN_MAX_DATA;
 	else
@@ -930,7 +930,7 @@ int usbdrvwext_siwessid(struct net_device *dev,
 		return -EINVAL;
 
 	if (essid->flags == 1) {
-		if (essid->length > (IW_ESSID_MAX_SIZE + 1))
+		if (essid->length > IW_ESSID_MAX_SIZE)
 			return -E2BIG;
 
 		if (copy_from_user(&EssidBuf, essid->pointer, essid->length))
@@ -2227,7 +2227,8 @@ int usbdrv_wpa_ioctl(struct net_device *dev, struct athr_wlan_param *zdparm)
 	case ZD_CMD_SCAN_REQ:
 		printk(KERN_ERR "usbdrv_wpa_ioctl: ZD_CMD_SCAN_REQ\n");
 		break;
-	case ZD_CMD_SET_GENERIC_ELEMENT:
+	case ZD_CMD_SET_GENERIC_ELEMENT: {
+		u8_t len, *wpaie;
 		printk(KERN_ERR "usbdrv_wpa_ioctl:"
 					" ZD_CMD_SET_GENERIC_ELEMENT\n");
 
@@ -2250,8 +2251,8 @@ int usbdrv_wpa_ioctl(struct net_device *dev, struct athr_wlan_param *zdparm)
 		/* zfiWlanSetWpaIe(dev, zdparm->u.generic_elem.data,
 		* zdparm->u.generic_elem.len);
 		*/
-		u8_t len = zdparm->u.generic_elem.len;
-		u8_t *wpaie = (u8_t *)zdparm->u.generic_elem.data;
+		len = zdparm->u.generic_elem.len;
+		wpaie = zdparm->u.generic_elem.data;
 
 		printk(KERN_ERR "wd->ap.wpaLen : % d\n", len);
 
@@ -2273,6 +2274,7 @@ int usbdrv_wpa_ioctl(struct net_device *dev, struct athr_wlan_param *zdparm)
 		* #endif
 		*/
 		break;
+	}
 
 	/* #ifdef ZM_HOSTAPD_SUPPORT */
 	case ZD_CMD_GET_TSC:
diff --git a/drivers/staging/otus/usbdrv.c b/drivers/staging/otus/usbdrv.c
index b0adbc8b2dc2..5e6a12037b12 100644
--- a/drivers/staging/otus/usbdrv.c
+++ b/drivers/staging/otus/usbdrv.c
@@ -829,7 +829,7 @@ int zfLnxRegisterVapDev(struct net_device* parentDev, u16_t vapId)
 {
     /* Allocate net device structure */
     vap[vapId].dev = alloc_etherdev(0);
-    printk("Register vap dev=%x\n", (u32_t)vap[vapId].dev);
+    printk("Register vap dev=%p\n", vap[vapId].dev);
 
     if(vap[vapId].dev == NULL) {
         printk("alloc_etherdev fail\n");
@@ -883,7 +883,7 @@ int zfLnxUnregisterVapDev(struct net_device* parentDev, u16_t vapId)
     printk("Unregister VAP dev : %s\n", vap[vapId].dev->name);
 
     if(vap[vapId].dev != NULL) {
-        printk("Unregister vap dev=%x\n", (u32_t)vap[vapId].dev);
+        printk("Unregister vap dev=%p\n", vap[vapId].dev);
         //
         //unregister_netdevice(wds[wdsId].dev);
         unregister_netdev(vap[vapId].dev);
diff --git a/drivers/staging/otus/wrap_pkt.c b/drivers/staging/otus/wrap_pkt.c
index 75bb952fd0a5..a2f5cb1f5298 100644
--- a/drivers/staging/otus/wrap_pkt.c
+++ b/drivers/staging/otus/wrap_pkt.c
@@ -58,7 +58,7 @@ void zfLnxRecv80211(zdev_t *dev, zbuf_t *buf, struct zsAdditionInfo *addInfo)
 			skb1 = skb_copy(buf, GFP_ATOMIC);
 			if (skb1 != NULL) {
 				skb1->dev = dev;
-				skb1->mac_header = skb1->data;
+				skb_reset_mac_header(skb1);
 				skb1->ip_summed = CHECKSUM_NONE;
 				skb1->pkt_type = PACKET_OTHERHOST;
 				/* ETH_P_80211_RAW */
@@ -85,13 +85,7 @@ void zfLnxRecvEth(zdev_t *dev, zbuf_t *buf, u16_t port)
 	/* new_buf = dev_alloc_skb(2048);	*/
 	new_buf = dev_alloc_skb(buf->len);
 
-#ifdef NET_SKBUFF_DATA_USES_OFFSET
-	new_buf->tail = 0;
-	new_buf->len = 0;
-#else
-	new_buf->tail = new_buf->data;
-	new_buf->len = 0;
-#endif
+	skb_reset_tail_pointer(new_buf);
 
 	skb_put(new_buf, buf->len);
 	memcpy(new_buf->data, buf->data, buf->len);
diff --git a/drivers/staging/otus/zdusb.c b/drivers/staging/otus/zdusb.c
index 2a6d937ba5e8..4cd9b7f5a887 100644
--- a/drivers/staging/otus/zdusb.c
+++ b/drivers/staging/otus/zdusb.c
@@ -45,7 +45,7 @@ MODULE_LICENSE("Dual BSD/GPL");
 static const char driver_name[] = "Otus";
 
 /* table of devices that work with this driver */
-static struct usb_device_id zd1221_ids [] = {
+static const struct usb_device_id zd1221_ids[] = {
 	{ USB_DEVICE(VENDOR_ATHR, PRODUCT_AR9170) },
         { USB_DEVICE(VENDOR_DLINK, PRODUCT_DWA160A) },
 	{ USB_DEVICE(VENDOR_NETGEAR, PRODUCT_WNDA3100) },
diff --git a/drivers/staging/p9auth/Kconfig b/drivers/staging/p9auth/Kconfig
deleted file mode 100644
index d1c66d262020..000000000000
--- a/drivers/staging/p9auth/Kconfig
+++ /dev/null
@@ -1,9 +0,0 @@
-config PLAN9AUTH
-	tristate "Plan 9 style capability device implementation"
-	default n
-	depends on CRYPTO
-	help
-	  This module implements the Plan 9 style capability device.
-
-	  To compile this driver as a module, choose
-	  M here: the module will be called p9auth.
diff --git a/drivers/staging/p9auth/Makefile b/drivers/staging/p9auth/Makefile
deleted file mode 100644
index 3ebf6ff0eef2..000000000000
--- a/drivers/staging/p9auth/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-$(CONFIG_PLAN9AUTH)	+= p9auth.o
diff --git a/drivers/staging/p9auth/p9auth.c b/drivers/staging/p9auth/p9auth.c
deleted file mode 100644
index db7962621210..000000000000
--- a/drivers/staging/p9auth/p9auth.c
+++ /dev/null
@@ -1,408 +0,0 @@
-/*
- * Plan 9 style capability device implementation for the Linux Kernel
- *
- * Copyright 2008, 2009 Ashwin Ganti <ashwin.ganti@gmail.com>
- *
- * Released under the GPLv2
- *
- */
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/moduleparam.h>
-#include <linux/slab.h>
-#include <linux/fs.h>
-#include <linux/errno.h>
-#include <linux/fcntl.h>
-#include <linux/cdev.h>
-#include <linux/uaccess.h>
-#include <linux/list.h>
-#include <linux/mm.h>
-#include <linux/string.h>
-#include <linux/crypto.h>
-#include <linux/highmem.h>
-#include <linux/scatterlist.h>
-#include <linux/sched.h>
-#include <linux/cred.h>
-
-#ifndef CAP_MAJOR
-#define CAP_MAJOR 0
-#endif
-
-#ifndef CAP_NR_DEVS
-#define CAP_NR_DEVS 2		/* caphash and capuse */
-#endif
-
-#ifndef CAP_NODE_SIZE
-#define CAP_NODE_SIZE 20
-#endif
-
-#define MAX_DIGEST_SIZE  20
-
-struct cap_node {
-	char data[CAP_NODE_SIZE];
-	struct list_head list;
-};
-
-struct cap_dev {
-	struct cap_node *head;
-	int node_size;
-	unsigned long size;
-	struct semaphore sem;
-	struct cdev cdev;
-};
-
-static int cap_major = CAP_MAJOR;
-static int cap_minor;
-static int cap_nr_devs = CAP_NR_DEVS;
-static int cap_node_size = CAP_NODE_SIZE;
-
-module_param(cap_major, int, S_IRUGO);
-module_param(cap_minor, int, S_IRUGO);
-module_param(cap_nr_devs, int, S_IRUGO);
-
-MODULE_AUTHOR("Ashwin Ganti");
-MODULE_LICENSE("GPL");
-
-static struct cap_dev *cap_devices;
-
-static void hexdump(unsigned char *buf, unsigned int len)
-{
-	while (len--)
-		printk("%02x", *buf++);
-	printk("\n");
-}
-
-static char *cap_hash(char *plain_text, unsigned int plain_text_size,
-		      char *key, unsigned int key_size)
-{
-	struct scatterlist sg;
-	char *result;
-	struct crypto_hash *tfm;
-	struct hash_desc desc;
-	int ret;
-
-	tfm = crypto_alloc_hash("hmac(sha1)", 0, CRYPTO_ALG_ASYNC);
-	if (IS_ERR(tfm)) {
-		printk(KERN_ERR
-		       "failed to load transform for hmac(sha1): %ld\n",
-		       PTR_ERR(tfm));
-		return NULL;
-	}
-
-	desc.tfm = tfm;
-	desc.flags = 0;
-
-	result = kzalloc(MAX_DIGEST_SIZE, GFP_KERNEL);
-	if (!result) {
-		printk(KERN_ERR "out of memory!\n");
-		goto out;
-	}
-
-	sg_set_buf(&sg, plain_text, plain_text_size);
-
-	ret = crypto_hash_setkey(tfm, key, key_size);
-	if (ret) {
-		printk(KERN_ERR "setkey() failed ret=%d\n", ret);
-		kfree(result);
-		result = NULL;
-		goto out;
-	}
-
-	ret = crypto_hash_digest(&desc, &sg, plain_text_size, result);
-	if (ret) {
-		printk(KERN_ERR "digest () failed ret=%d\n", ret);
-		kfree(result);
-		result = NULL;
-		goto out;
-	}
-
-	printk(KERN_DEBUG "crypto hash digest size %d\n",
-	       crypto_hash_digestsize(tfm));
-	hexdump(result, MAX_DIGEST_SIZE);
-
-out:
-	crypto_free_hash(tfm);
-	return result;
-}
-
-static int cap_trim(struct cap_dev *dev)
-{
-	struct cap_node *tmp;
-	struct list_head *pos, *q;
-	if (dev->head != NULL) {
-		list_for_each_safe(pos, q, &(dev->head->list)) {
-			tmp = list_entry(pos, struct cap_node, list);
-			list_del(pos);
-			kfree(tmp);
-		}
-	}
-	return 0;
-}
-
-static int cap_open(struct inode *inode, struct file *filp)
-{
-	struct cap_dev *dev;
-	dev = container_of(inode->i_cdev, struct cap_dev, cdev);
-	filp->private_data = dev;
-
-	/* trim to 0 the length of the device if open was write-only */
-	if ((filp->f_flags & O_ACCMODE) == O_WRONLY) {
-		if (down_interruptible(&dev->sem))
-			return -ERESTARTSYS;
-		cap_trim(dev);
-		up(&dev->sem);
-	}
-	/* initialise the head if it is NULL */
-	if (dev->head == NULL) {
-		dev->head = kmalloc(sizeof(struct cap_node), GFP_KERNEL);
-		INIT_LIST_HEAD(&(dev->head->list));
-	}
-	return 0;
-}
-
-static int cap_release(struct inode *inode, struct file *filp)
-{
-	return 0;
-}
-
-static ssize_t cap_write(struct file *filp, const char __user *buf,
-			 size_t count, loff_t *f_pos)
-{
-	struct cap_node *node_ptr, *tmp;
-	struct list_head *pos;
-	struct cap_dev *dev = filp->private_data;
-	ssize_t retval = -ENOMEM;
-	struct cred *new;
-	int len, target_int, source_int, flag = 0;
-	char *user_buf, *user_buf_running, *source_user, *target_user,
-	    *rand_str, *hash_str, *result;
-
-	if (down_interruptible(&dev->sem))
-		return -ERESTARTSYS;
-
-	user_buf_running = NULL;
-	hash_str = NULL;
-	node_ptr = kmalloc(sizeof(struct cap_node), GFP_KERNEL);
-	user_buf = kzalloc(count+1, GFP_KERNEL);
-	if (!node_ptr || !user_buf)
-		goto out;
-
-	if (copy_from_user(user_buf, buf, count)) {
-		retval = -EFAULT;
-		goto out;
-	}
-
-	/*
-	 * If the minor number is 0 ( /dev/caphash ) then simply add the
-	 * hashed capability supplied by the user to the list of hashes
-	 */
-	if (0 == iminor(filp->f_dentry->d_inode)) {
-		if (count > CAP_NODE_SIZE) {
-			retval = -EINVAL;
-			goto out;
-		}
-		printk(KERN_INFO "Capability being written to /dev/caphash : \n");
-		hexdump(user_buf, count);
-		memcpy(node_ptr->data, user_buf, count);
-		list_add(&(node_ptr->list), &(dev->head->list));
-		node_ptr = NULL;
-	} else {
-		char *tmpu;
-		if (!cap_devices[0].head ||
-				list_empty(&(cap_devices[0].head->list))) {
-			retval = -EINVAL;
-			goto out;
-		}
-		/*
-		 * break the supplied string into tokens with @ as the
-		 * delimiter If the string is "user1@user2@randomstring" we
-		 * need to split it and hash 'user1@user2' using 'randomstring'
-		 * as the key.
-		 */
-		tmpu = user_buf_running = kstrdup(user_buf, GFP_KERNEL);
-		source_user = strsep(&tmpu, "@");
-		target_user = strsep(&tmpu, "@");
-		rand_str = tmpu;
-		if (!source_user || !target_user || !rand_str) {
-			retval = -EINVAL;
-			goto out;
-		}
-
-		/* hash the string user1@user2 with rand_str as the key */
-		len = strlen(source_user) + strlen(target_user) + 1;
-		/* src, @, len, \0 */
-		hash_str = kzalloc(len+1, GFP_KERNEL);
-		strcat(hash_str, source_user);
-		strcat(hash_str, "@");
-		strcat(hash_str, target_user);
-
-		printk(KERN_ALERT "the source user is %s \n", source_user);
-		printk(KERN_ALERT "the target user is %s \n", target_user);
-
-		result = cap_hash(hash_str, len, rand_str, strlen(rand_str));
-		if (NULL == result) {
-			retval = -EFAULT;
-			goto out;
-		}
-		memcpy(node_ptr->data, result, CAP_NODE_SIZE);  /* why? */
-		/* Change the process's uid if the hash is present in the
-		 * list of hashes
-		 */
-		list_for_each(pos, &(cap_devices->head->list)) {
-			/*
-			 * Change the user id of the process if the hashes
-			 * match
-			 */
-			if (0 ==
-			    memcmp(result,
-				   list_entry(pos, struct cap_node,
-					      list)->data,
-				   CAP_NODE_SIZE)) {
-				target_int = (unsigned int)
-				    simple_strtol(target_user, NULL, 0);
-				source_int = (unsigned int)
-				    simple_strtol(source_user, NULL, 0);
-				flag = 1;
-
-				/*
-				 * Check whether the process writing to capuse
-				 * is actually owned by the source owner
-				 */
-				if (source_int != current_uid()) {
-					printk(KERN_ALERT
-					       "Process is not owned by the source user of the capability.\n");
-					retval = -EFAULT;
-					goto out;
-				}
-				/*
-				 * What all id's need to be changed here? uid,
-				 * euid, fsid, savedids ??  Currently I am
-				 * changing the effective user id since most of
-				 * the authorisation decisions are based on it
-				 */
-				new = prepare_creds();
-				if (!new) {
-					retval = -ENOMEM;
-					goto out;
-				}
-				new->uid = (uid_t) target_int;
-				new->euid = (uid_t) target_int;
-				retval = commit_creds(new);
-				if (retval)
-					goto out;
-
-				/*
-				 * Remove the capability from the list and
-				 * break
-				 */
-				tmp = list_entry(pos, struct cap_node, list);
-				list_del(pos);
-				kfree(tmp);
-				break;
-			}
-		}
-		if (0 == flag) {
-			/*
-			 * The capability is not present in the list of the
-			 * hashes stored, hence return failure
-			 */
-			printk(KERN_ALERT
-			       "Invalid capabiliy written to /dev/capuse \n");
-			retval = -EFAULT;
-			goto out;
-		}
-	}
-	*f_pos += count;
-	retval = count;
-	/* update the size */
-	if (dev->size < *f_pos)
-		dev->size = *f_pos;
-
-out:
-	kfree(node_ptr);
-	kfree(user_buf);
-	kfree(user_buf_running);
-	kfree(hash_str);
-	up(&dev->sem);
-	return retval;
-}
-
-static const struct file_operations cap_fops = {
-	.owner = THIS_MODULE,
-	.write = cap_write,
-	.open = cap_open,
-	.release = cap_release,
-};
-
-/* no __exit here because it can be called by the init function */
-static void cap_cleanup_module(void)
-{
-	int i;
-	dev_t devno = MKDEV(cap_major, cap_minor);
-	if (cap_devices) {
-		for (i = 0; i < cap_nr_devs; i++) {
-			cap_trim(cap_devices + i);
-			cdev_del(&cap_devices[i].cdev);
-		}
-		kfree(cap_devices);
-	}
-	unregister_chrdev_region(devno, cap_nr_devs);
-
-}
-
-static void cap_setup_cdev(struct cap_dev *dev, int index)
-{
-	int err, devno = MKDEV(cap_major, cap_minor + index);
-	cdev_init(&dev->cdev, &cap_fops);
-	dev->cdev.owner = THIS_MODULE;
-	dev->cdev.ops = &cap_fops;
-	err = cdev_add(&dev->cdev, devno, 1);
-	if (err)
-		printk(KERN_NOTICE "Error %d adding cap%d", err, index);
-}
-
-static int __init cap_init_module(void)
-{
-	int result, i;
-	dev_t dev = 0;
-
-	if (cap_major) {
-		dev = MKDEV(cap_major, cap_minor);
-		result = register_chrdev_region(dev, cap_nr_devs, "cap");
-	} else {
-		result = alloc_chrdev_region(&dev, cap_minor, cap_nr_devs,
-					     "cap");
-		cap_major = MAJOR(dev);
-	}
-
-	if (result < 0) {
-		printk(KERN_WARNING "cap: can't get major %d\n",
-		       cap_major);
-		return result;
-	}
-
-	cap_devices = kzalloc(cap_nr_devs * sizeof(struct cap_dev),
-			      GFP_KERNEL);
-	if (!cap_devices) {
-		result = -ENOMEM;
-		goto fail;
-	}
-
-	/* Initialize each device. */
-	for (i = 0; i < cap_nr_devs; i++) {
-		cap_devices[i].node_size = cap_node_size;
-		init_MUTEX(&cap_devices[i].sem);
-		cap_setup_cdev(&cap_devices[i], i);
-	}
-
-	return 0;
-
-fail:
-	cap_cleanup_module();
-	return result;
-}
-
-module_init(cap_init_module);
-module_exit(cap_cleanup_module);
-
-
diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index 95c93e82ccec..377884f3480d 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -41,7 +41,6 @@
 #include <linux/signal.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
-#include <linux/smp_lock.h>
 #include <linux/interrupt.h>
 #include <linux/miscdevice.h>
 #include <linux/slab.h>
diff --git a/drivers/staging/phison/phison.c b/drivers/staging/phison/phison.c
index fcba78d21636..0c495eacb75b 100644
--- a/drivers/staging/phison/phison.c
+++ b/drivers/staging/phison/phison.c
@@ -69,7 +69,7 @@ static int phison_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	return ret;
 }
 
-static struct pci_device_id phison_pci_tbl[] = {
+static const struct pci_device_id phison_pci_tbl[] = {
 	{ PCI_VENDOR_ID_PHISON, PCI_DEVICE_ID_PS5000, PCI_ANY_ID, PCI_ANY_ID,
 	  PCI_CLASS_STORAGE_IDE << 8, 0xffff00, 0 },
 	{ 0, },
diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c
index f69b7783027f..63275529ff55 100644
--- a/drivers/staging/pohmelfs/inode.c
+++ b/drivers/staging/pohmelfs/inode.c
@@ -36,6 +36,7 @@
 #define POHMELFS_MAGIC_NUM	0x504f482e
 
 static struct kmem_cache *pohmelfs_inode_cache;
+static atomic_t psb_bdi_num = ATOMIC_INIT(0);
 
 /*
  * Removes inode from all trees, drops local name cache and removes all queued
@@ -322,7 +323,7 @@ int pohmelfs_write_create_inode(struct pohmelfs_inode *pi)
 	t = netfs_trans_alloc(psb, err + 1, 0, 0);
 	if (!t) {
 		err = -ENOMEM;
-		goto err_out_put;
+		goto err_out_exit;
 	}
 	t->complete = pohmelfs_write_inode_complete;
 	t->private = igrab(inode);
@@ -395,7 +396,8 @@ int pohmelfs_remove_child(struct pohmelfs_inode *pi, struct pohmelfs_name *n)
 /*
  * Writeback for given inode.
  */
-static int pohmelfs_write_inode(struct inode *inode, int sync)
+static int pohmelfs_write_inode(struct inode *inode,
+				struct writeback_control *wbc)
 {
 	struct pohmelfs_inode *pi = POHMELFS_I(inode);
 
@@ -969,7 +971,7 @@ int pohmelfs_setattr_raw(struct inode *inode, struct iattr *attr)
 
 	if ((attr->ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
 	    (attr->ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
-		err = vfs_dq_transfer(inode, attr) ? -EDQUOT : 0;
+		err = dquot_transfer(inode, attr);
 		if (err)
 			goto err_out_exit;
 	}
@@ -1331,6 +1333,8 @@ static void pohmelfs_put_super(struct super_block *sb)
 	pohmelfs_crypto_exit(psb);
 	pohmelfs_state_exit(psb);
 
+	bdi_destroy(&psb->bdi);
+
 	kfree(psb);
 	sb->s_fs_info = NULL;
 }
@@ -1767,8 +1771,7 @@ static int pohmelfs_show_stats(struct seq_file *m, struct vfsmount *mnt)
 		seq_printf(m, "%u ", ctl->idx);
 		if (ctl->addr.sa_family == AF_INET) {
 			struct sockaddr_in *sin = (struct sockaddr_in *)&st->ctl.addr;
-			/* seq_printf(m, "%pi4:%u", &sin->sin_addr.s_addr, ntohs(sin->sin_port)); */
-			seq_printf(m, "%u.%u.%u.%u:%u", NIPQUAD(sin->sin_addr.s_addr), ntohs(sin->sin_port));
+			seq_printf(m, "%pI4:%u", &sin->sin_addr.s_addr, ntohs(sin->sin_port));
 		} else if (ctl->addr.sa_family == AF_INET6) {
 			struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&st->ctl.addr;
 			seq_printf(m, "%pi6:%u", &sin->sin6_addr, ntohs(sin->sin6_port));
@@ -1815,11 +1818,22 @@ static int pohmelfs_fill_super(struct super_block *sb, void *data, int silent)
 	if (!psb)
 		goto err_out_exit;
 
+	err = bdi_init(&psb->bdi);
+	if (err)
+		goto err_out_free_sb;
+
+	err = bdi_register(&psb->bdi, NULL, "pfs-%d", atomic_inc_return(&psb_bdi_num));
+	if (err) {
+		bdi_destroy(&psb->bdi);
+		goto err_out_free_sb;
+	}
+
 	sb->s_fs_info = psb;
 	sb->s_op = &pohmelfs_sb_ops;
 	sb->s_magic = POHMELFS_MAGIC_NUM;
 	sb->s_maxbytes = MAX_LFS_FILESIZE;
 	sb->s_blocksize = PAGE_SIZE;
+	sb->s_bdi = &psb->bdi;
 
 	psb->sb = sb;
 
@@ -1863,11 +1877,11 @@ static int pohmelfs_fill_super(struct super_block *sb, void *data, int silent)
 
 	err = pohmelfs_parse_options((char *) data, psb, 0);
 	if (err)
-		goto err_out_free_sb;
+		goto err_out_free_bdi;
 
 	err = pohmelfs_copy_crypto(psb);
 	if (err)
-		goto err_out_free_sb;
+		goto err_out_free_bdi;
 
 	err = pohmelfs_state_init(psb);
 	if (err)
@@ -1916,6 +1930,8 @@ err_out_state_exit:
 err_out_free_strings:
 	kfree(psb->cipher_string);
 	kfree(psb->hash_string);
+err_out_free_bdi:
+	bdi_destroy(&psb->bdi);
 err_out_free_sb:
 	kfree(psb);
 err_out_exit:
diff --git a/drivers/staging/pohmelfs/netfs.h b/drivers/staging/pohmelfs/netfs.h
index 623a07d29dea..01cba006e07a 100644
--- a/drivers/staging/pohmelfs/netfs.h
+++ b/drivers/staging/pohmelfs/netfs.h
@@ -18,6 +18,7 @@
 
 #include <linux/types.h>
 #include <linux/connector.h>
+#include <linux/backing-dev.h>
 
 #define POHMELFS_CN_IDX			5
 #define POHMELFS_CN_VAL			0
@@ -624,6 +625,8 @@ struct pohmelfs_sb {
 
 	struct super_block	*sb;
 
+	struct backing_dev_info	bdi;
+
 	/*
 	 * Algorithm strings.
 	 */
diff --git a/drivers/staging/quatech_usb2/quatech_usb2.c b/drivers/staging/quatech_usb2/quatech_usb2.c
index f7726f1d3641..1561f74a413b 100644
--- a/drivers/staging/quatech_usb2/quatech_usb2.c
+++ b/drivers/staging/quatech_usb2/quatech_usb2.c
@@ -116,7 +116,7 @@ static int debug;
 #define FOURTHCHAR	((unsigned char *)(urb->transfer_buffer))[i + 3]
 #define FIFTHCHAR	((unsigned char *)(urb->transfer_buffer))[i + 4]
 
-static struct usb_device_id quausb2_id_table[] = {
+static const struct usb_device_id quausb2_id_table[] = {
 	{USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_SSU2_100)},
 	{USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_DSU2_100)},
 	{USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_DSU2_400)},
diff --git a/drivers/staging/ramzswap/Kconfig b/drivers/staging/ramzswap/Kconfig
index 24e25691fae2..127b3c6c9596 100644
--- a/drivers/staging/ramzswap/Kconfig
+++ b/drivers/staging/ramzswap/Kconfig
@@ -5,7 +5,7 @@ config RAMZSWAP
 	select LZO_DECOMPRESS
 	default n
 	help
-	  Creates virtual block devices which can be used (only) as a swap
+	  Creates virtual block devices which can (only) be used as swap
 	  disks. Pages swapped to these disks are compressed and stored in
 	  memory itself.
 
diff --git a/drivers/staging/ramzswap/ramzswap.txt b/drivers/staging/ramzswap/ramzswap.txt
index e9f1619505a0..9694acfeb43f 100644
--- a/drivers/staging/ramzswap/ramzswap.txt
+++ b/drivers/staging/ramzswap/ramzswap.txt
@@ -5,9 +5,9 @@ Project home: http://compcache.googlecode.com/
 
 * Introduction
 
-It creates RAM based block devices which can be used (only) as swap disks.
-Pages swapped to these devices are compressed and stored in memory itself.
-See project home for use cases, performance numbers and a lot more.
+The ramzswap module creates RAM based block devices which can (only) be used as
+swap disks. Pages swapped to these devices are compressed and stored in memory
+itself. See project home for use cases, performance numbers and a lot more.
 
 Individual ramzswap devices are configured and initialized using rzscontrol
 userspace utility as shown in examples below. See rzscontrol man page for more
diff --git a/drivers/staging/ramzswap/ramzswap_drv.c b/drivers/staging/ramzswap/ramzswap_drv.c
index 989fac5b01b3..5e422e254ee8 100644
--- a/drivers/staging/ramzswap/ramzswap_drv.c
+++ b/drivers/staging/ramzswap/ramzswap_drv.c
@@ -1,7 +1,7 @@
 /*
  * Compressed RAM based swap device
  *
- * Copyright (C) 2008, 2009  Nitin Gupta
+ * Copyright (C) 2008, 2009, 2010  Nitin Gupta
  *
  * This code is released using a dual license strategy: BSD/GPL
  * You can choose the licence that better fits your requirements.
@@ -24,12 +24,10 @@
 #include <linux/genhd.h>
 #include <linux/highmem.h>
 #include <linux/lzo.h>
-#include <linux/mutex.h>
 #include <linux/string.h>
 #include <linux/swap.h>
 #include <linux/swapops.h>
 #include <linux/vmalloc.h>
-#include <linux/version.h>
 
 #include "ramzswap_drv.h"
 
@@ -222,7 +220,7 @@ out:
 	return ret;
 }
 
-void ramzswap_ioctl_get_stats(struct ramzswap *rzs,
+static void ramzswap_ioctl_get_stats(struct ramzswap *rzs,
 			struct ramzswap_ioctl_stats *s)
 {
 	strncpy(s->backing_swap_name, rzs->backing_swap_name,
@@ -240,7 +238,8 @@ void ramzswap_ioctl_get_stats(struct ramzswap *rzs,
 
 	mem_used = xv_get_total_size_bytes(rzs->mem_pool)
 			+ (rs->pages_expand << PAGE_SHIFT);
-	succ_writes = rs->num_writes - rs->failed_writes;
+	succ_writes = rzs_stat64_read(rzs, &rs->num_writes) -
+			rzs_stat64_read(rzs, &rs->failed_writes);
 
 	if (succ_writes && rs->pages_stored) {
 		good_compress_perc = rs->good_compress * 100
@@ -249,11 +248,12 @@ void ramzswap_ioctl_get_stats(struct ramzswap *rzs,
 					/ rs->pages_stored;
 	}
 
-	s->num_reads = rs->num_reads;
-	s->num_writes = rs->num_writes;
-	s->failed_reads = rs->failed_reads;
-	s->failed_writes = rs->failed_writes;
-	s->invalid_io = rs->invalid_io;
+	s->num_reads = rzs_stat64_read(rzs, &rs->num_reads);
+	s->num_writes = rzs_stat64_read(rzs, &rs->num_writes);
+	s->failed_reads = rzs_stat64_read(rzs, &rs->failed_reads);
+	s->failed_writes = rzs_stat64_read(rzs, &rs->failed_writes);
+	s->invalid_io = rzs_stat64_read(rzs, &rs->invalid_io);
+	s->notify_free = rzs_stat64_read(rzs, &rs->notify_free);
 	s->pages_zero = rs->pages_zero;
 
 	s->good_compress_pct = good_compress_perc;
@@ -265,8 +265,8 @@ void ramzswap_ioctl_get_stats(struct ramzswap *rzs,
 	s->compr_data_size = rs->compr_size;
 	s->mem_used_total = mem_used;
 
-	s->bdev_num_reads = rs->bdev_num_reads;
-	s->bdev_num_writes = rs->bdev_num_writes;
+	s->bdev_num_reads = rzs_stat64_read(rzs, &rs->bdev_num_reads);
+	s->bdev_num_writes = rzs_stat64_read(rzs, &rs->bdev_num_writes);
 	}
 #endif /* CONFIG_RAMZSWAP_STATS */
 }
@@ -502,6 +502,14 @@ static int setup_backing_swap(struct ramzswap *rzs)
 			goto bad_param;
 		}
 		disksize = i_size_read(inode);
+		/*
+		 * Can happen if user gives an extended partition as
+		 * backing swap or simply a bad disk.
+		 */
+		if (!disksize) {
+			pr_err("Error reading backing swap size.\n");
+			goto bad_param;
+		}
 	} else if (S_ISREG(inode->i_mode)) {
 		bdev = inode->i_sb->s_bdev;
 		if (IS_SWAPFILE(inode)) {
@@ -519,7 +527,6 @@ static int setup_backing_swap(struct ramzswap *rzs)
 	rzs->swap_file = swap_file;
 	rzs->backing_swap = bdev;
 	rzs->disksize = disksize;
-	BUG_ON(!rzs->disksize);
 
 	return 0;
 
@@ -537,7 +544,7 @@ out:
  * Map logical page number 'pagenum' to physical page number
  * on backing swap device. For block device, this is a nop.
  */
-u32 map_backing_swap_page(struct ramzswap *rzs, u32 pagenum)
+static u32 map_backing_swap_page(struct ramzswap *rzs, u32 pagenum)
 {
 	u32 skip_pages, entries_per_page;
 	size_t delta, se_offset, skipped;
@@ -593,9 +600,13 @@ static void ramzswap_free_page(struct ramzswap *rzs, size_t index)
 	u32 offset = rzs->table[index].offset;
 
 	if (unlikely(!page)) {
+		/*
+		 * No memory is allocated for zero filled pages.
+		 * Simply clear zero page flag.
+		 */
 		if (rzs_test_flag(rzs, index, RZS_ZERO)) {
 			rzs_clear_flag(rzs, index, RZS_ZERO);
-			stat_dec(rzs->stats.pages_zero);
+			rzs_stat_dec(&rzs->stats.pages_zero);
 		}
 		return;
 	}
@@ -604,7 +615,7 @@ static void ramzswap_free_page(struct ramzswap *rzs, size_t index)
 		clen = PAGE_SIZE;
 		__free_page(page);
 		rzs_clear_flag(rzs, index, RZS_UNCOMPRESSED);
-		stat_dec(rzs->stats.pages_expand);
+		rzs_stat_dec(&rzs->stats.pages_expand);
 		goto out;
 	}
 
@@ -614,11 +625,11 @@ static void ramzswap_free_page(struct ramzswap *rzs, size_t index)
 
 	xv_free(rzs->mem_pool, page, offset);
 	if (clen <= PAGE_SIZE / 2)
-		stat_dec(rzs->stats.good_compress);
+		rzs_stat_dec(&rzs->stats.good_compress);
 
 out:
 	rzs->stats.compr_size -= clen;
-	stat_dec(rzs->stats.pages_stored);
+	rzs_stat_dec(&rzs->stats.pages_stored);
 
 	rzs->table[index].page = NULL;
 	rzs->table[index].offset = 0;
@@ -664,7 +675,6 @@ static int handle_uncompressed_page(struct ramzswap *rzs, struct bio *bio)
 	return 0;
 }
 
-
 /*
  * Called when request page is not present in ramzswap.
  * Its either in backing swap device (if present) or
@@ -680,8 +690,8 @@ static int handle_ramzswap_fault(struct ramzswap *rzs, struct bio *bio)
 	 */
 	if (rzs->backing_swap) {
 		u32 pagenum;
-		stat_dec(rzs->stats.num_reads);
-		stat_inc(rzs->stats.bdev_num_reads);
+		rzs_stat64_dec(rzs, &rzs->stats.num_reads);
+		rzs_stat64_inc(rzs, &rzs->stats.bdev_num_reads);
 		bio->bi_bdev = rzs->backing_swap;
 
 		/*
@@ -719,7 +729,7 @@ static int ramzswap_read(struct ramzswap *rzs, struct bio *bio)
 	struct zobj_header *zheader;
 	unsigned char *user_mem, *cmem;
 
-	stat_inc(rzs->stats.num_reads);
+	rzs_stat64_inc(rzs, &rzs->stats.num_reads);
 
 	page = bio->bi_io_vec[0].bv_page;
 	index = bio->bi_sector >> SECTORS_PER_PAGE_SHIFT;
@@ -731,7 +741,7 @@ static int ramzswap_read(struct ramzswap *rzs, struct bio *bio)
 	if (!rzs->table[index].page)
 		return handle_ramzswap_fault(rzs, bio);
 
-	/* Page is stored uncompressed since its incompressible */
+	/* Page is stored uncompressed since it's incompressible */
 	if (unlikely(rzs_test_flag(rzs, index, RZS_UNCOMPRESSED)))
 		return handle_uncompressed_page(rzs, bio);
 
@@ -753,7 +763,7 @@ static int ramzswap_read(struct ramzswap *rzs, struct bio *bio)
 	if (unlikely(ret != LZO_E_OK)) {
 		pr_err("Decompression failed! err=%d, page=%u\n",
 			ret, index);
-		stat_inc(rzs->stats.failed_reads);
+		rzs_stat64_inc(rzs, &rzs->stats.failed_reads);
 		goto out;
 	}
 
@@ -777,7 +787,7 @@ static int ramzswap_write(struct ramzswap *rzs, struct bio *bio)
 	struct page *page, *page_store;
 	unsigned char *user_mem, *cmem, *src;
 
-	stat_inc(rzs->stats.num_writes);
+	rzs_stat64_inc(rzs, &rzs->stats.num_writes);
 
 	page = bio->bi_io_vec[0].bv_page;
 	index = bio->bi_sector >> SECTORS_PER_PAGE_SHIFT;
@@ -789,25 +799,16 @@ static int ramzswap_write(struct ramzswap *rzs, struct bio *bio)
 	 * is no longer referenced by any process. So, its now safe
 	 * to free the memory that was allocated for this page.
 	 */
-	if (rzs->table[index].page)
+	if (rzs->table[index].page || rzs_test_flag(rzs, index, RZS_ZERO))
 		ramzswap_free_page(rzs, index);
 
-	/*
-	 * No memory ia allocated for zero filled pages.
-	 * Simply clear zero page flag.
-	 */
-	if (rzs_test_flag(rzs, index, RZS_ZERO)) {
-		stat_dec(rzs->stats.pages_zero);
-		rzs_clear_flag(rzs, index, RZS_ZERO);
-	}
-
 	mutex_lock(&rzs->lock);
 
 	user_mem = kmap_atomic(page, KM_USER0);
 	if (page_zero_filled(user_mem)) {
 		kunmap_atomic(user_mem, KM_USER0);
 		mutex_unlock(&rzs->lock);
-		stat_inc(rzs->stats.pages_zero);
+		rzs_stat_inc(&rzs->stats.pages_zero);
 		rzs_set_flag(rzs, index, RZS_ZERO);
 
 		set_bit(BIO_UPTODATE, &bio->bi_flags);
@@ -831,7 +832,7 @@ static int ramzswap_write(struct ramzswap *rzs, struct bio *bio)
 	if (unlikely(ret != LZO_E_OK)) {
 		mutex_unlock(&rzs->lock);
 		pr_err("Compression failed! err=%d\n", ret);
-		stat_inc(rzs->stats.failed_writes);
+		rzs_stat64_inc(rzs, &rzs->stats.failed_writes);
 		goto out;
 	}
 
@@ -854,13 +855,13 @@ static int ramzswap_write(struct ramzswap *rzs, struct bio *bio)
 			mutex_unlock(&rzs->lock);
 			pr_info("Error allocating memory for incompressible "
 				"page: %u\n", index);
-			stat_inc(rzs->stats.failed_writes);
+			rzs_stat64_inc(rzs, &rzs->stats.failed_writes);
 			goto out;
 		}
 
 		offset = 0;
 		rzs_set_flag(rzs, index, RZS_UNCOMPRESSED);
-		stat_inc(rzs->stats.pages_expand);
+		rzs_stat_inc(&rzs->stats.pages_expand);
 		rzs->table[index].page = page_store;
 		src = kmap_atomic(page, KM_USER0);
 		goto memstore;
@@ -872,7 +873,7 @@ static int ramzswap_write(struct ramzswap *rzs, struct bio *bio)
 		mutex_unlock(&rzs->lock);
 		pr_info("Error allocating memory for compressed "
 			"page: %u, size=%zu\n", index, clen);
-		stat_inc(rzs->stats.failed_writes);
+		rzs_stat64_inc(rzs, &rzs->stats.failed_writes);
 		if (rzs->backing_swap)
 			fwd_write_request = 1;
 		goto out;
@@ -901,9 +902,9 @@ memstore:
 
 	/* Update stats */
 	rzs->stats.compr_size += clen;
-	stat_inc(rzs->stats.pages_stored);
+	rzs_stat_inc(&rzs->stats.pages_stored);
 	if (clen <= PAGE_SIZE / 2)
-		stat_inc(rzs->stats.good_compress);
+		rzs_stat_inc(&rzs->stats.good_compress);
 
 	mutex_unlock(&rzs->lock);
 
@@ -913,7 +914,7 @@ memstore:
 
 out:
 	if (fwd_write_request) {
-		stat_inc(rzs->stats.bdev_num_writes);
+		rzs_stat64_inc(rzs, &rzs->stats.bdev_num_writes);
 		bio->bi_bdev = rzs->backing_swap;
 #if 0
 		/*
@@ -941,7 +942,6 @@ out:
 	return 0;
 }
 
-
 /*
  * Check if request is within bounds and page aligned.
  */
@@ -975,7 +975,7 @@ static int ramzswap_make_request(struct request_queue *queue, struct bio *bio)
 	}
 
 	if (!valid_swap_request(rzs, bio)) {
-		stat_inc(rzs->stats.invalid_io);
+		rzs_stat64_inc(rzs, &rzs->stats.invalid_io);
 		bio_io_error(bio);
 		return 0;
 	}
@@ -1000,6 +1000,9 @@ static void reset_device(struct ramzswap *rzs)
 	unsigned entries_per_page;
 	unsigned long num_table_pages, entry = 0;
 
+	/* Do not accept any new I/O request */
+	rzs->init_done = 0;
+
 	if (rzs->backing_swap && !rzs->num_extents)
 		is_backing_blkdev = 1;
 
@@ -1066,6 +1069,7 @@ static void reset_device(struct ramzswap *rzs)
 			bd_release(rzs->backing_swap);
 		filp_close(rzs->swap_file, NULL);
 		rzs->backing_swap = NULL;
+		memset(rzs->backing_swap_name, 0, MAX_SWAP_NAME_LEN);
 	}
 
 	/* Reset stats */
@@ -1073,9 +1077,6 @@ static void reset_device(struct ramzswap *rzs)
 
 	rzs->disksize = 0;
 	rzs->memlimit = 0;
-
-	/* Back to uninitialized state */
-	rzs->init_done = 0;
 }
 
 static int ramzswap_ioctl_init_device(struct ramzswap *rzs)
@@ -1276,6 +1277,11 @@ static int ramzswap_ioctl(struct block_device *bdev, fmode_t mode,
 			ret = -EBUSY;
 			goto out;
 		}
+
+		/* Make sure all pending I/O is finished */
+		if (bdev)
+			fsync_bdev(bdev);
+
 		ret = ramzswap_ioctl_reset_device(rzs);
 		break;
 
@@ -1293,16 +1299,20 @@ static struct block_device_operations ramzswap_devops = {
 	.owner = THIS_MODULE,
 };
 
-static void create_device(struct ramzswap *rzs, int device_id)
+static int create_device(struct ramzswap *rzs, int device_id)
 {
+	int ret = 0;
+
 	mutex_init(&rzs->lock);
+	spin_lock_init(&rzs->stat64_lock);
 	INIT_LIST_HEAD(&rzs->backing_swap_extent_list);
 
 	rzs->queue = blk_alloc_queue(GFP_KERNEL);
 	if (!rzs->queue) {
 		pr_err("Error allocating disk queue for device %d\n",
 			device_id);
-		return;
+		ret = -ENOMEM;
+		goto out;
 	}
 
 	blk_queue_make_request(rzs->queue, ramzswap_make_request);
@@ -1314,7 +1324,8 @@ static void create_device(struct ramzswap *rzs, int device_id)
 		blk_cleanup_queue(rzs->queue);
 		pr_warning("Error allocating disk structure for device %d\n",
 			device_id);
-		return;
+		ret = -ENOMEM;
+		goto out;
 	}
 
 	rzs->disk->major = ramzswap_major;
@@ -1329,9 +1340,16 @@ static void create_device(struct ramzswap *rzs, int device_id)
 	 * or set equal to backing swap device (if provided)
 	 */
 	set_capacity(rzs->disk, 0);
+
+	blk_queue_physical_block_size(rzs->disk->queue, PAGE_SIZE);
+	blk_queue_logical_block_size(rzs->disk->queue, PAGE_SIZE);
+
 	add_disk(rzs->disk);
 
 	rzs->init_done = 0;
+
+out:
+	return ret;
 }
 
 static void destroy_device(struct ramzswap *rzs)
@@ -1347,18 +1365,20 @@ static void destroy_device(struct ramzswap *rzs)
 
 static int __init ramzswap_init(void)
 {
-	int i, ret;
+	int ret, dev_id;
 
 	if (num_devices > max_num_devices) {
 		pr_warning("Invalid value for num_devices: %u\n",
 				num_devices);
-		return -EINVAL;
+		ret = -EINVAL;
+		goto out;
 	}
 
 	ramzswap_major = register_blkdev(0, "ramzswap");
 	if (ramzswap_major <= 0) {
 		pr_warning("Unable to get major number\n");
-		return -EBUSY;
+		ret = -EBUSY;
+		goto out;
 	}
 
 	if (!num_devices) {
@@ -1371,15 +1391,23 @@ static int __init ramzswap_init(void)
 	devices = kzalloc(num_devices * sizeof(struct ramzswap), GFP_KERNEL);
 	if (!devices) {
 		ret = -ENOMEM;
-		goto out;
+		goto unregister;
 	}
 
-	for (i = 0; i < num_devices; i++)
-		create_device(&devices[i], i);
+	for (dev_id = 0; dev_id < num_devices; dev_id++) {
+		ret = create_device(&devices[dev_id], dev_id);
+		if (ret)
+			goto free_devices;
+	}
 
 	return 0;
-out:
+
+free_devices:
+	while (dev_id)
+		destroy_device(&devices[--dev_id]);
+unregister:
 	unregister_blkdev(ramzswap_major, "ramzswap");
+out:
 	return ret;
 }
 
diff --git a/drivers/staging/ramzswap/ramzswap_drv.h b/drivers/staging/ramzswap/ramzswap_drv.h
index a6ea240935b6..c7e0e767c223 100644
--- a/drivers/staging/ramzswap/ramzswap_drv.h
+++ b/drivers/staging/ramzswap/ramzswap_drv.h
@@ -1,7 +1,7 @@
 /*
  * Compressed RAM based swap device
  *
- * Copyright (C) 2008, 2009  Nitin Gupta
+ * Copyright (C) 2008, 2009, 2010  Nitin Gupta
  *
  * This code is released using a dual license strategy: BSD/GPL
  * You can choose the licence that better fits your requirements.
@@ -15,6 +15,9 @@
 #ifndef _RAMZSWAP_DRV_H_
 #define _RAMZSWAP_DRV_H_
 
+#include <linux/spinlock.h>
+#include <linux/mutex.h>
+
 #include "ramzswap_ioctl.h"
 #include "xvmalloc.h"
 
@@ -71,15 +74,6 @@ static const unsigned max_zpage_size_nobdev = PAGE_SIZE / 4 * 3;
 #define SECTORS_PER_PAGE_SHIFT	(PAGE_SHIFT - SECTOR_SHIFT)
 #define SECTORS_PER_PAGE	(1 << SECTORS_PER_PAGE_SHIFT)
 
-/* Debugging and Stats */
-#if defined(CONFIG_RAMZSWAP_STATS)
-#define stat_inc(stat)	((stat)++)
-#define stat_dec(stat)	((stat)--)
-#else
-#define stat_inc(x)
-#define stat_dec(x)
-#endif
-
 /* Flags for ramzswap pages (table[page_no].flags) */
 enum rzs_pageflags {
 	/* Page is stored uncompressed */
@@ -102,7 +96,7 @@ struct table {
 	u16 offset;
 	u8 count;	/* object ref count (not yet used) */
 	u8 flags;
-} __attribute__((aligned(4)));;
+} __attribute__((aligned(4)));
 
 /*
  * Swap extent information in case backing swap is a regular
@@ -121,9 +115,10 @@ struct ramzswap_stats {
 #if defined(CONFIG_RAMZSWAP_STATS)
 	u64 num_reads;		/* failed + successful */
 	u64 num_writes;		/* --do-- */
-	u64 failed_reads;	/* can happen when memory is too low */
-	u64 failed_writes;	/* should NEVER! happen */
+	u64 failed_reads;	/* should NEVER! happen */
+	u64 failed_writes;	/* can happen when memory is too low */
 	u64 invalid_io;		/* non-swap I/O requests */
+	u64 notify_free;	/* no. of swap slot free notifications */
 	u32 pages_zero;		/* no. of zero filled pages */
 	u32 pages_stored;	/* no. of pages currently stored */
 	u32 good_compress;	/* % of pages with compression ratio<=50% */
@@ -138,6 +133,7 @@ struct ramzswap {
 	void *compress_workmem;
 	void *compress_buffer;
 	struct table *table;
+	spinlock_t stat64_lock;	/* protect 64-bit stats */
 	struct mutex lock;
 	struct request_queue *queue;
 	struct gendisk *disk;
@@ -167,5 +163,48 @@ struct ramzswap {
 
 /*-- */
 
-#endif
+/* Debugging and Stats */
+#if defined(CONFIG_RAMZSWAP_STATS)
+static void rzs_stat_inc(u32 *v)
+{
+	*v = *v + 1;
+}
+
+static void rzs_stat_dec(u32 *v)
+{
+	*v = *v - 1;
+}
+
+static void rzs_stat64_inc(struct ramzswap *rzs, u64 *v)
+{
+	spin_lock(&rzs->stat64_lock);
+	*v = *v + 1;
+	spin_unlock(&rzs->stat64_lock);
+}
+
+static void rzs_stat64_dec(struct ramzswap *rzs, u64 *v)
+{
+	spin_lock(&rzs->stat64_lock);
+	*v = *v - 1;
+	spin_unlock(&rzs->stat64_lock);
+}
+
+static u64 rzs_stat64_read(struct ramzswap *rzs, u64 *v)
+{
+	u64 val;
+
+	spin_lock(&rzs->stat64_lock);
+	val = *v;
+	spin_unlock(&rzs->stat64_lock);
+
+	return val;
+}
+#else
+#define rzs_stat_inc(v)
+#define rzs_stat_dec(v)
+#define rzs_stat64_inc(r, v)
+#define rzs_stat64_dec(r, v)
+#define rzs_stat64_read(r, v)
+#endif /* CONFIG_RAMZSWAP_STATS */
 
+#endif
diff --git a/drivers/staging/ramzswap/ramzswap_ioctl.h b/drivers/staging/ramzswap/ramzswap_ioctl.h
index c713a09af580..d26076d41bde 100644
--- a/drivers/staging/ramzswap/ramzswap_ioctl.h
+++ b/drivers/staging/ramzswap/ramzswap_ioctl.h
@@ -1,7 +1,7 @@
 /*
  * Compressed RAM based swap device
  *
- * Copyright (C) 2008, 2009  Nitin Gupta
+ * Copyright (C) 2008, 2009, 2010  Nitin Gupta
  *
  * This code is released using a dual license strategy: BSD/GPL
  * You can choose the licence that better fits your requirements.
@@ -24,9 +24,10 @@ struct ramzswap_ioctl_stats {
 				 * size (if present) */
 	u64 num_reads;		/* failed + successful */
 	u64 num_writes;		/* --do-- */
-	u64 failed_reads;	/* can happen when memory is too low */
-	u64 failed_writes;	/* should NEVER! happen */
+	u64 failed_reads;	/* should NEVER! happen */
+	u64 failed_writes;	/* can happen when memory is too low */
 	u64 invalid_io;		/* non-swap I/O requests */
+	u64 notify_free;	/* no. of swap slot free notifications */
 	u32 pages_zero;		/* no. of zero filled pages */
 	u32 good_compress_pct;	/* no. of pages with compression ratio<=50% */
 	u32 pages_expand_pct;	/* no. of incompressible pages */
diff --git a/drivers/staging/ramzswap/xvmalloc.c b/drivers/staging/ramzswap/xvmalloc.c
index b3e986c33141..3fdbb8ada827 100644
--- a/drivers/staging/ramzswap/xvmalloc.c
+++ b/drivers/staging/ramzswap/xvmalloc.c
@@ -1,7 +1,7 @@
 /*
  * xvmalloc memory allocator
  *
- * Copyright (C) 2008, 2009  Nitin Gupta
+ * Copyright (C) 2008, 2009, 2010  Nitin Gupta
  *
  * This code is released using a dual license strategy: BSD/GPL
  * You can choose the licence that better fits your requirements.
@@ -273,7 +273,7 @@ static void remove_block(struct xv_pool *pool, struct page *page, u32 offset,
 }
 
 /*
- * Allocate a page and add it freelist of given pool.
+ * Allocate a page and add it to freelist of given pool.
  */
 static int grow_pool(struct xv_pool *pool, gfp_t flags)
 {
diff --git a/drivers/staging/ramzswap/xvmalloc.h b/drivers/staging/ramzswap/xvmalloc.h
index 010c6fe5e173..5b1a81aa5faf 100644
--- a/drivers/staging/ramzswap/xvmalloc.h
+++ b/drivers/staging/ramzswap/xvmalloc.h
@@ -1,7 +1,7 @@
 /*
  * xvmalloc memory allocator
  *
- * Copyright (C) 2008, 2009  Nitin Gupta
+ * Copyright (C) 2008, 2009, 2010  Nitin Gupta
  *
  * This code is released using a dual license strategy: BSD/GPL
  * You can choose the licence that better fits your requirements.
diff --git a/drivers/staging/ramzswap/xvmalloc_int.h b/drivers/staging/ramzswap/xvmalloc_int.h
index 03c1a652a3aa..e23ed5c8b8e4 100644
--- a/drivers/staging/ramzswap/xvmalloc_int.h
+++ b/drivers/staging/ramzswap/xvmalloc_int.h
@@ -1,7 +1,7 @@
 /*
  * xvmalloc memory allocator
  *
- * Copyright (C) 2008, 2009  Nitin Gupta
+ * Copyright (C) 2008, 2009, 2010  Nitin Gupta
  *
  * This code is released using a dual license strategy: BSD/GPL
  * You can choose the licence that better fits your requirements.
@@ -62,7 +62,7 @@ struct link_free {
 
 struct block_header {
 	union {
-		/* This common header must be ALIGN bytes */
+		/* This common header must be XV_ALIGN bytes */
 		u8 common[XV_ALIGN];
 		struct {
 			u16 size;
diff --git a/drivers/staging/rar/Kconfig b/drivers/staging/rar/Kconfig
deleted file mode 100644
index 17f8bf3bb41a..000000000000
--- a/drivers/staging/rar/Kconfig
+++ /dev/null
@@ -1,17 +0,0 @@
-#
-# RAR device configuration
-#
-
-menu "RAR Register Driver"
-#
-#	Restricted Access Register Manager
-#
-config RAR_REGISTER
-	tristate "Restricted Access Region Register Driver"
-	default n
-	---help---
-		This driver allows other kernel drivers access to the
-		contents of the restricted access region control
-		registers.
-
-endmenu
diff --git a/drivers/staging/rar/Makefile b/drivers/staging/rar/Makefile
deleted file mode 100644
index 5422ed04ccf1..000000000000
--- a/drivers/staging/rar/Makefile
+++ /dev/null
@@ -1,2 +0,0 @@
-EXTRA_CFLAGS += -DLITTLE__ENDIAN
-obj-$(CONFIG_RAR_REGISTER) += rar_driver.o
diff --git a/drivers/staging/rar/rar_driver.c b/drivers/staging/rar/rar_driver.c
deleted file mode 100644
index d85d1890e81e..000000000000
--- a/drivers/staging/rar/rar_driver.c
+++ /dev/null
@@ -1,444 +0,0 @@
-#include <linux/init.h>
-#include <linux/module.h>
-#include <linux/fs.h>
-#include <linux/cdev.h>
-#include <linux/kdev_t.h>
-#include <linux/semaphore.h>
-#include <linux/mm.h>
-#include <linux/poll.h>
-#include <linux/wait.h>
-#include <linux/ioctl.h>
-#include <linux/ioport.h>
-#include <linux/io.h>
-#include <linux/interrupt.h>
-#include <linux/pagemap.h>
-#include <linux/pci.h>
-#include <linux/firmware.h>
-#include <linux/sched.h>
-#include "rar_driver.h"
-
-/* The following defines are for the IPC process to retrieve RAR in */
-
-/* === Lincroft Message Bus Interface === */
-/* Message Control Register */
-#define LNC_MCR_OFFSET 0xD0
-
-/* Message Data Register */
-#define LNC_MDR_OFFSET 0xD4
-
-/* Message Opcodes */
-#define LNC_MESSAGE_READ_OPCODE  0xD0
-#define LNC_MESSAGE_WRITE_OPCODE 0xE0
-
-/* Message Write Byte Enables */
-#define LNC_MESSAGE_BYTE_WRITE_ENABLES 0xF
-
-/* B-unit Port */
-#define LNC_BUNIT_PORT 0x3
-
-/* === Lincroft B-Unit Registers - Programmed by IA32 firmware === */
-#define LNC_BRAR0L  0x10
-#define LNC_BRAR0H  0x11
-#define LNC_BRAR1L  0x12
-#define LNC_BRAR1H  0x13
-
-/* Reserved for SeP */
-#define LNC_BRAR2L  0x14
-#define LNC_BRAR2H  0x15
-
-
-/* This structure is only used during module initialization. */
-struct RAR_offsets {
-	int low; /* Register offset for low RAR physical address. */
-	int high; /* Register offset for high RAR physical address. */
-};
-
-struct pci_dev *rar_dev;
-static uint32_t registered;
-
-/* Moorestown supports three restricted access regions. */
-#define MRST_NUM_RAR 3
-
-struct RAR_address_struct rar_addr[MRST_NUM_RAR];
-
-/* prototype for init */
-static int __init rar_init_handler(void);
-static void __exit rar_exit_handler(void);
-
-/*
-  function that is activated on the successfull probe of the RAR device
-*/
-static int __devinit rar_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
-
-static struct pci_device_id rar_pci_id_tbl[] = {
-	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4110) },
-	{ 0 }
-};
-
-MODULE_DEVICE_TABLE(pci, rar_pci_id_tbl);
-
-/* field for registering driver to PCI device */
-static struct pci_driver rar_pci_driver = {
-	.name = "rar_driver",
-	.id_table = rar_pci_id_tbl,
-	.probe = rar_probe
-};
-
-/* This function is used to retrieved RAR info using the IPC message
-   bus interface */
-static int memrar_get_rar_addr(struct pci_dev* pdev,
-	                      int offset,
-	                      u32 *addr)
-{
-	/*
-	 * ======== The Lincroft Message Bus Interface ========
-	 * Lincroft registers may be obtained from the PCI
-	 * (the Host Bridge) using the Lincroft Message Bus
-	 * Interface.  That message bus interface is generally
-	 * comprised of two registers: a control register (MCR, 0xDO)
-	 * and a data register (MDR, 0xD4).
-	 *
-	 * The MCR (message control register) format is the following:
-	 *   1.  [31:24]: Opcode
-	 *   2.  [23:16]: Port
-	 *   3.  [15:8]: Register Offset
-	 *   4.  [7:4]: Byte Enables (use 0xF to set all of these bits
-	 *              to 1)
-	 *   5.  [3:0]: reserved
-	 *
-	 *  Read (0xD0) and write (0xE0) opcodes are written to the
-	 *  control register when reading and writing to Lincroft
-	 *  registers, respectively.
-	 *
-	 *  We're interested in registers found in the Lincroft
-	 *  B-unit.  The B-unit port is 0x3.
-	 *
-	 *  The six B-unit RAR register offsets we use are listed
-	 *  earlier in this file.
-	 *
-	 *  Lastly writing to the MCR register requires the "Byte
-	 *  enables" bits to be set to 1.  This may be achieved by
-	 *  writing 0xF at bit 4.
-	 *
-	 * The MDR (message data register) format is the following:
-	 *   1. [31:0]: Read/Write Data
-	 *
-	 *  Data being read from this register is only available after
-	 *  writing the appropriate control message to the MCR
-	 *  register.
-	 *
-	 *  Data being written to this register must be written before
-	 *  writing the appropriate control message to the MCR
-	 *  register.
-	 */
-
-	int result = 0; /* result */
-	/* Construct control message */
-	u32 const message =
-	       (LNC_MESSAGE_READ_OPCODE << 24)
-	       | (LNC_BUNIT_PORT << 16)
-	       | (offset << 8)
-	       | (LNC_MESSAGE_BYTE_WRITE_ENABLES << 4);
-
-	printk(KERN_WARNING "rar- offset to LNC MSG is %x\n",offset);
-
-	if (addr == 0)
-		return -EINVAL;
-
-	/* Send the control message */
-	result = pci_write_config_dword(pdev,
-	                          LNC_MCR_OFFSET,
-	                          message);
-
-	printk(KERN_WARNING "rar- result from send ctl register is %x\n"
-	  ,result);
-
-	if (!result)
-		result = pci_read_config_dword(pdev,
-		                              LNC_MDR_OFFSET,
-				              addr);
-
-	printk(KERN_WARNING "rar- result from read data register is %x\n",
-	  result);
-
-	printk(KERN_WARNING "rar- value read from data register is %x\n",
-	  *addr);
-
-	if (result)
-		return -1;
-	else
-		return 0;
-}
-
-static int memrar_set_rar_addr(struct pci_dev* pdev,
-	                      int offset,
-	                      u32 addr)
-{
-	/*
-	 * ======== The Lincroft Message Bus Interface ========
-	 * Lincroft registers may be obtained from the PCI
-	 * (the Host Bridge) using the Lincroft Message Bus
-	 * Interface.  That message bus interface is generally
-	 * comprised of two registers: a control register (MCR, 0xDO)
-	 * and a data register (MDR, 0xD4).
-	 *
-	 * The MCR (message control register) format is the following:
-	 *   1.  [31:24]: Opcode
-	 *   2.  [23:16]: Port
-	 *   3.  [15:8]: Register Offset
-	 *   4.  [7:4]: Byte Enables (use 0xF to set all of these bits
-	 *              to 1)
-	 *   5.  [3:0]: reserved
-	 *
-	 *  Read (0xD0) and write (0xE0) opcodes are written to the
-	 *  control register when reading and writing to Lincroft
-	 *  registers, respectively.
-	 *
-	 *  We're interested in registers found in the Lincroft
-	 *  B-unit.  The B-unit port is 0x3.
-	 *
-	 *  The six B-unit RAR register offsets we use are listed
-	 *  earlier in this file.
-	 *
-	 *  Lastly writing to the MCR register requires the "Byte
-	 *  enables" bits to be set to 1.  This may be achieved by
-	 *  writing 0xF at bit 4.
-	 *
-	 * The MDR (message data register) format is the following:
-	 *   1. [31:0]: Read/Write Data
-	 *
-	 *  Data being read from this register is only available after
-	 *  writing the appropriate control message to the MCR
-	 *  register.
-	 *
-	 *  Data being written to this register must be written before
-	 *  writing the appropriate control message to the MCR
-	 *  register.
-	 */
-
-	int result = 0; /* result */
-
-	/* Construct control message */
-	u32 const message =
-	       (LNC_MESSAGE_WRITE_OPCODE << 24)
-	       | (LNC_BUNIT_PORT << 16)
-	       | (offset << 8)
-	       | (LNC_MESSAGE_BYTE_WRITE_ENABLES << 4);
-
-	printk(KERN_WARNING "rar- offset to LNC MSG is %x\n",offset);
-
-	if (addr == 0)
-		return -EINVAL;
-
-	/* Send the control message */
-	result = pci_write_config_dword(pdev,
-	                          LNC_MDR_OFFSET,
-	                          addr);
-
-	printk(KERN_WARNING "rar- result from send ctl register is %x\n"
-	  ,result);
-
-	if (!result)
-		result = pci_write_config_dword(pdev,
-		                              LNC_MCR_OFFSET,
-				              message);
-
-	printk(KERN_WARNING "rar- result from write data register is %x\n",
-	  result);
-
-	printk(KERN_WARNING "rar- value read to data register is %x\n",
-	  addr);
-
-	if (result)
-		return -1;
-	else
-		return 0;
-}
-
-/*
-
- * Initialize RAR parameters, such as physical addresses, etc.
-
- */
-static int memrar_init_rar_params(struct pci_dev *pdev)
-{
-	struct RAR_offsets const offsets[] = {
-	       { LNC_BRAR0L, LNC_BRAR0H },
-	       { LNC_BRAR1L, LNC_BRAR1H },
-	       { LNC_BRAR2L, LNC_BRAR2H }
-	};
-
-	size_t const num_offsets = sizeof(offsets) / sizeof(offsets[0]);
-	struct RAR_offsets const *end = offsets + num_offsets;
-	struct RAR_offsets const *i;
-	unsigned int n = 0;
-	int result = 0;
-
-	/* Retrieve RAR start and end physical addresses. */
-
-	/*
-	 * Access the RAR registers through the Lincroft Message Bus
-	 * Interface on PCI device: 00:00.0 Host bridge.
-	 */
-
-	/* struct pci_dev *pdev = pci_get_bus_and_slot(0, PCI_DEVFN(0,0)); */
-
-	if (pdev == NULL)
-	       return -ENODEV;
-
-	for (i = offsets; i != end; ++i, ++n) {
-	       if (memrar_get_rar_addr (pdev,
-		                       (*i).low,
-		                       &(rar_addr[n].low)) != 0
-		   || memrar_get_rar_addr (pdev,
-		                          (*i).high,
-		                          &(rar_addr[n].high)) != 0) {
-		       result = -1;
-		       break;
-	       }
-	}
-
-	/* Done accessing the device. */
-	/* pci_dev_put(pdev); */
-
-	if (result == 0) {
-	if(1) {
-	       size_t z;
-	       for (z = 0; z != MRST_NUM_RAR; ++z) {
-			printk(KERN_WARNING "rar - BRAR[%Zd] physical address low\n"
-			     "\tlow:  0x%08x\n"
-			     "\thigh: 0x%08x\n",
-			     z,
-			     rar_addr[z].low,
-			     rar_addr[z].high);
-			}
-	       }
-	}
-
-	return result;
-}
-
-/*
-  function that is activated on the successfull probe of the RAR device
-*/
-static int __devinit rar_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
-	/* error */
-	int error;
-
-	/*------------------------
-	CODE
-	---------------------------*/
-
-	DEBUG_PRINT_0(RAR_DEBUG_LEVEL_EXTENDED,
-	  "Rar pci probe starting\n");
-	error = 0;
-
-	/* enable the device */
-	error = pci_enable_device(pdev);
-	if (error) {
-		DEBUG_PRINT_0(RAR_DEBUG_LEVEL_EXTENDED,
-		  "error enabling pci device\n");
-		goto end_function;
-	}
-
-	rar_dev = pdev;
-	registered = 1;
-
-	/* Initialize the RAR parameters, which have to be retrieved */
-	/* via the message bus service */
-	error=memrar_init_rar_params(rar_dev);
-
-	if (error) {
-		DEBUG_PRINT_0(RAR_DEBUG_LEVEL_EXTENDED,
-		  "error getting RAR addresses device\n");
-		registered = 0;
-		goto end_function;
-		}
-
-end_function:
-
-	return error;
-}
-
-/*
-  this function registers th driver to
-  the device subsystem( either PCI, USB, etc)
-*/
-static int __init rar_init_handler(void)
-{
-	return pci_register_driver(&rar_pci_driver);
-}
-
-static void __exit rar_exit_handler(void)
-{
-	pci_unregister_driver(&rar_pci_driver);
-}
-
-module_init(rar_init_handler);
-module_exit(rar_exit_handler);
-
-MODULE_LICENSE("GPL");
-
-
-/* The get_rar_address function is used by other device drivers
- * to obtain RAR address information on a RAR. It takes two
- * parameter:
- *
- * int rar_index
- * The rar_index is an index to the rar for which you wish to retrieve
- * the address information.
- * Values can be 0,1, or 2.
- *
- * struct RAR_address_struct is a pointer to a place to which the function
- * can return the address structure for the RAR.
- *
- * The function returns a 0 upon success or a -1 if there is no RAR
- * facility on this system.
- */
-int get_rar_address(int rar_index,struct RAR_address_struct *addresses)
-{
-	if (registered && (rar_index < 3) && (rar_index >= 0)) {
-		*addresses=rar_addr[rar_index];
-		/* strip off lock bit information  */
-		addresses->low = addresses->low & 0xfffffff0;
-		addresses->high = addresses->high & 0xfffffff0;
-		return 0;
-		}
-
-	else {
-		return -ENODEV;
-		}
-}
-
-
-EXPORT_SYMBOL(get_rar_address);
-
-/* The lock_rar function is ued by other device drivers to lock an RAR.
- * once an RAR is locked, it stays locked until the next system reboot.
- * The function takes one parameter:
- *
- * int rar_index
- * The rar_index is an index to the rar that you want to lock.
- * Values can be 0,1, or 2.
- *
- * The function returns a 0 upon success or a -1 if there is no RAR
- * facility on this system.
- */
-int lock_rar(int rar_index)
-{
-	u32 working_addr;
-	int result;
-if (registered && (rar_index < 3) && (rar_index >= 0)) {
-	/* first make sure that lock bits are clear (this does lock) */
-	working_addr=rar_addr[rar_index].low & 0xfffffff0;
-
-	/* now send that value to the register using the IPC */
-        result=memrar_set_rar_addr(rar_dev,rar_index,working_addr);
-	return result;
-	}
-
-else {
-	return -ENODEV;
-	}
-}
diff --git a/drivers/staging/rar/rar_driver.h b/drivers/staging/rar/rar_driver.h
deleted file mode 100644
index 3690f984ff55..000000000000
--- a/drivers/staging/rar/rar_driver.h
+++ /dev/null
@@ -1,99 +0,0 @@
-/* === RAR Physical Addresses === */
-struct RAR_address_struct {
-        u32 low;
-        u32 high;
-};
-
-/* The get_rar_address function is used by other device drivers
- * to obtain RAR address information on a RAR. It takes two
- * parameter:
- *
- * int rar_index
- * The rar_index is an index to the rar for which you wish to retrieve
- * the address information.
- * Values can be 0,1, or 2.
- *
- * struct RAR_address_struct is a pointer to a place to which the function
- * can return the address structure for the RAR.
- *
- * The function returns a 0 upon success or a -1 if there is no RAR
- * facility on this system.
- */
-int get_rar_address(int rar_index,struct RAR_address_struct *addresses);
-
-
-/* The lock_rar function is ued by other device drivers to lock an RAR.
- * once an RAR is locked, it stays locked until the next system reboot.
- * The function takes one parameter:
- *
- * int rar_index
- * The rar_index is an index to the rar that you want to lock.
- * Values can be 0,1, or 2.
- *
- * The function returns a 0 upon success or a -1 if there is no RAR
- * facility on this system.
- */
-int lock_rar(int rar_index);
-
-
-/* DEBUG LEVEL MASKS */
-#define RAR_DEBUG_LEVEL_BASIC       0x1
-
-#define RAR_DEBUG_LEVEL_REGISTERS   0x2
-
-#define RAR_DEBUG_LEVEL_EXTENDED    0x4
-
-#define DEBUG_LEVEL	0x7
-
-/* FUNCTIONAL MACROS */
-
-/* debug macro without paramaters */
-#define DEBUG_PRINT_0(DEBUG_LEVEL , info) \
-do \
-{ \
-  if(DEBUG_LEVEL) \
-  { \
-    printk(KERN_WARNING info); \
-  } \
-}while(0)
-
-/* debug macro with 1 paramater */
-#define DEBUG_PRINT_1(DEBUG_LEVEL , info , param1) \
-do \
-{ \
-  if(DEBUG_LEVEL) \
-  { \
-    printk(KERN_WARNING info , param1); \
-  } \
-}while(0)
-
-/* debug macro with 2 paramaters */
-#define DEBUG_PRINT_2(DEBUG_LEVEL , info , param1, param2) \
-do \
-{ \
-  if(DEBUG_LEVEL) \
-  { \
-    printk(KERN_WARNING info , param1, param2); \
-  } \
-}while(0)
-
-/* debug macro with 3 paramaters */
-#define DEBUG_PRINT_3(DEBUG_LEVEL , info , param1, param2 , param3) \
-do \
-{ \
-  if(DEBUG_LEVEL) \
-  { \
-    printk(KERN_WARNING info , param1, param2 , param3); \
-  } \
-}while(0)
-
-/* debug macro with 4 paramaters */
-#define DEBUG_PRINT_4(DEBUG_LEVEL , info , param1, param2 , param3 , param4) \
-do \
-{ \
-  if(DEBUG_LEVEL) \
-  { \
-    printk(KERN_WARNING info , param1, param2 , param3 , param4); \
-  } \
-}while(0)
-
diff --git a/drivers/staging/rar_register/Kconfig b/drivers/staging/rar_register/Kconfig
new file mode 100644
index 000000000000..3f73839643e9
--- /dev/null
+++ b/drivers/staging/rar_register/Kconfig
@@ -0,0 +1,30 @@
+#
+# RAR device configuration
+#
+
+menu "RAR Register Driver"
+#
+#	Restricted Access Register Manager
+#
+config RAR_REGISTER
+	tristate "Restricted Access Region Register Driver"
+	default n
+	---help---
+		This driver allows other kernel drivers access to the
+		contents of the restricted access region control
+		registers.
+
+		The restricted access region control registers
+		(rar_registers) are used to pass address and
+		locking information on restricted access regions
+		to other drivers that use restricted access regions
+
+		The restricted access regions are regions of memory
+		on the Intel MID Platform that are not accessible to
+		the x86 processor, but are accessible to dedicated
+		processors on board peripheral devices.
+
+		The purpose of the restricted access regions is to
+		protect sensitive data from compromise by unauthorized
+		programs running on the x86 processor.
+endmenu
diff --git a/drivers/staging/rar_register/Makefile b/drivers/staging/rar_register/Makefile
new file mode 100644
index 000000000000..d5954ccc16c9
--- /dev/null
+++ b/drivers/staging/rar_register/Makefile
@@ -0,0 +1,2 @@
+EXTRA_CFLAGS += -DLITTLE__ENDIAN
+obj-$(CONFIG_RAR_REGISTER) += rar_register.o
diff --git a/drivers/staging/rar_register/rar_register.c b/drivers/staging/rar_register/rar_register.c
new file mode 100644
index 000000000000..bfc0e31f1a6f
--- /dev/null
+++ b/drivers/staging/rar_register/rar_register.c
@@ -0,0 +1,615 @@
+/*
+ *  rar_register.c - An Intel Restricted Access Region register driver
+ *
+ *  Copyright(c) 2009 Intel Corporation. All rights reserved.
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License as
+ *  published by the Free Software Foundation; either version 2 of the
+ *  License, or (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ *  02111-1307, USA.
+ *
+ * -------------------------------------------------------------------
+ *  20091204 Mark Allyn <mark.a.allyn@intel.com>
+ *	     Ossama Othman <ossama.othman@intel.com>
+ *	Cleanup per feedback from Alan Cox and Arjan Van De Ven
+ *
+ *  20090806 Ossama Othman <ossama.othman@intel.com>
+ *      Return zero high address if upper 22 bits is zero.
+ *      Cleaned up checkpatch errors.
+ *      Clarified that driver is dealing with bus addresses.
+ *
+ *  20090702 Ossama Othman <ossama.othman@intel.com>
+ *      Removed unnecessary include directives
+ *      Cleaned up spinlocks.
+ *      Cleaned up logging.
+ *      Improved invalid parameter checks.
+ *      Fixed and simplified RAR address retrieval and RAR locking
+ *      code.
+ *
+ *  20090626 Mark Allyn <mark.a.allyn@intel.com>
+ *      Initial publish
+ */
+
+#define DEBUG 1
+
+#include "rar_register.h"
+
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/spinlock.h>
+#include <linux/device.h>
+#include <linux/kernel.h>
+
+/* === Lincroft Message Bus Interface === */
+/* Message Control Register */
+#define LNC_MCR_OFFSET 0xD0
+
+/* Maximum number of clients (other drivers using this driver) */
+#define MAX_RAR_CLIENTS 10
+
+/* Message Data Register */
+#define LNC_MDR_OFFSET 0xD4
+
+/* Message Opcodes */
+#define LNC_MESSAGE_READ_OPCODE 0xD0
+#define LNC_MESSAGE_WRITE_OPCODE 0xE0
+
+/* Message Write Byte Enables */
+#define LNC_MESSAGE_BYTE_WRITE_ENABLES 0xF
+
+/* B-unit Port */
+#define LNC_BUNIT_PORT 0x3
+
+/* === Lincroft B-Unit Registers - Programmed by IA32 firmware === */
+#define LNC_BRAR0L 0x10
+#define LNC_BRAR0H 0x11
+#define LNC_BRAR1L 0x12
+#define LNC_BRAR1H 0x13
+
+/* Reserved for SeP */
+#define LNC_BRAR2L 0x14
+#define LNC_BRAR2H 0x15
+
+/* Moorestown supports three restricted access regions. */
+#define MRST_NUM_RAR 3
+
+
+/* RAR Bus Address Range */
+struct RAR_address_range {
+	dma_addr_t low;
+	dma_addr_t high;
+};
+
+/* Structure containing low and high RAR register offsets. */
+struct RAR_offsets {
+	u32 low;  /* Register offset for low  RAR bus address. */
+	u32 high; /* Register offset for high RAR bus address. */
+};
+
+struct client {
+	int (*client_callback)(void *client_data);
+	void *customer_data;
+	int client_called;
+	};
+
+static DEFINE_MUTEX(rar_mutex);
+static DEFINE_MUTEX(lnc_reg_mutex);
+
+struct RAR_device {
+	struct RAR_offsets const rar_offsets[MRST_NUM_RAR];
+	struct RAR_address_range rar_addr[MRST_NUM_RAR];
+	struct pci_dev *rar_dev;
+	bool registered;
+	};
+
+/* this platform has only one rar_device for 3 rar regions */
+static struct RAR_device my_rar_device = {
+	.rar_offsets = {
+		[0].low = LNC_BRAR0L,
+		[0].high = LNC_BRAR0H,
+		[1].low = LNC_BRAR1L,
+		[1].high = LNC_BRAR1H,
+		[2].low = LNC_BRAR2L,
+		[2].high = LNC_BRAR2H
+	}
+};
+
+/* this data is for handling requests from other drivers which arrive
+ * prior to this driver initializing
+ */
+
+static struct client clients[MAX_RAR_CLIENTS];
+static int num_clients;
+
+/*
+ * This function is used to retrieved RAR info using the Lincroft
+ * message bus interface.
+ */
+static int retrieve_rar_addr(struct pci_dev *pdev,
+	int offset,
+	dma_addr_t *addr)
+{
+	/*
+	 * ======== The Lincroft Message Bus Interface ========
+	 * Lincroft registers may be obtained from the PCI
+	 * (the Host Bridge) using the Lincroft Message Bus
+	 * Interface.  That message bus interface is generally
+	 * comprised of two registers: a control register (MCR, 0xDO)
+	 * and a data register (MDR, 0xD4).
+	 *
+	 * The MCR (message control register) format is the following:
+	 *   1.  [31:24]: Opcode
+	 *   2.  [23:16]: Port
+	 *   3.  [15:8]: Register Offset
+	 *   4.  [7:4]: Byte Enables (use 0xF to set all of these bits
+	 *              to 1)
+	 *   5.  [3:0]: reserved
+	 *
+	 *  Read (0xD0) and write (0xE0) opcodes are written to the
+	 *  control register when reading and writing to Lincroft
+	 *  registers, respectively.
+	 *
+	 *  We're interested in registers found in the Lincroft
+	 *  B-unit.  The B-unit port is 0x3.
+	 *
+	 *  The six B-unit RAR register offsets we use are listed
+	 *  earlier in this file.
+	 *
+	 *  Lastly writing to the MCR register requires the "Byte
+	 *  enables" bits to be set to 1.  This may be achieved by
+	 *  writing 0xF at bit 4.
+	 *
+	 * The MDR (message data register) format is the following:
+	 *   1. [31:0]: Read/Write Data
+	 *
+	 *  Data being read from this register is only available after
+	 *  writing the appropriate control message to the MCR
+	 *  register.
+	 *
+	 *  Data being written to this register must be written before
+	 *  writing the appropriate control message to the MCR
+	 *  register.
+	*/
+
+	int result;
+
+	/* Construct control message */
+	u32 const message =
+		 (LNC_MESSAGE_READ_OPCODE << 24)
+		 | (LNC_BUNIT_PORT << 16)
+		 | (offset << 8)
+		 | (LNC_MESSAGE_BYTE_WRITE_ENABLES << 4);
+
+	dev_dbg(&pdev->dev, "Offset for 'get' LNC MSG is %x\n", offset);
+
+	if (addr == 0) {
+		WARN_ON(1);
+		return -EINVAL;
+	}
+
+	/*
+	* We synchronize access to the Lincroft MCR and MDR registers
+	* until BOTH the command is issued through the MCR register
+	* and the corresponding data is read from the MDR register.
+	* Otherwise a race condition would exist between accesses to
+	* both registers.
+	*/
+
+	mutex_lock(&lnc_reg_mutex);
+
+	/* Send the control message */
+	result = pci_write_config_dword(pdev, LNC_MCR_OFFSET, message);
+
+	dev_dbg(&pdev->dev, "Result from send ctl register is %x\n", result);
+
+	if (!result) {
+		result = pci_read_config_dword(pdev, LNC_MDR_OFFSET,
+			(u32 *)addr);
+		dev_dbg(&pdev->dev,
+			"Result from read data register is %x\n", result);
+
+		dev_dbg(&pdev->dev,
+			"Value read from data register is %lx\n",
+			 (unsigned long)*addr);
+	}
+
+	mutex_unlock(&lnc_reg_mutex);
+
+	return result;
+}
+
+static int set_rar_address(struct pci_dev *pdev,
+	int offset,
+	dma_addr_t addr)
+{
+	/*
+	* Data being written to this register must be written before
+	* writing the appropriate control message to the MCR
+	* register.
+	* @note See rar_get_address() for a description of the
+	* message bus interface being used here.
+	*/
+
+	int result = 0;
+
+	/* Construct control message */
+	u32 const message = (LNC_MESSAGE_WRITE_OPCODE << 24)
+		| (LNC_BUNIT_PORT << 16)
+		| (offset << 8)
+		| (LNC_MESSAGE_BYTE_WRITE_ENABLES << 4);
+
+	if (addr == 0) {
+		WARN_ON(1);
+		return -EINVAL;
+	}
+
+	dev_dbg(&pdev->dev, "Offset for 'set' LNC MSG is %x\n", offset);
+
+	/*
+	* We synchronize access to the Lincroft MCR and MDR registers
+	* until BOTH the command is issued through the MCR register
+	* and the corresponding data is read from the MDR register.
+	* Otherwise a race condition would exist between accesses to
+	* both registers.
+	*/
+
+	mutex_lock(&lnc_reg_mutex);
+
+	/* Send the control message */
+	result = pci_write_config_dword(pdev, LNC_MDR_OFFSET, addr);
+
+	dev_dbg(&pdev->dev, "Result from write data register is %x\n", result);
+
+	if (!result) {
+		dev_dbg(&pdev->dev,
+			"Value written to data register is %lx\n",
+			 (unsigned long)addr);
+
+		result = pci_write_config_dword(pdev, LNC_MCR_OFFSET, message);
+
+		dev_dbg(&pdev->dev, "Result from send ctl register is %x\n",
+			result);
+	}
+
+	mutex_unlock(&lnc_reg_mutex);
+
+	return result;
+}
+
+/*
+* Initialize RAR parameters, such as bus addresses, etc.
+*/
+static int init_rar_params(struct pci_dev *pdev)
+{
+	unsigned int i;
+	int result = 0;
+
+	/* Retrieve RAR start and end bus addresses.
+	* Access the RAR registers through the Lincroft Message Bus
+	* Interface on PCI device: 00:00.0 Host bridge.
+	*/
+
+	for (i = 0; i < MRST_NUM_RAR; ++i) {
+		struct RAR_offsets const *offset =
+			&my_rar_device.rar_offsets[i];
+		struct RAR_address_range *addr = &my_rar_device.rar_addr[i];
+
+	if ((retrieve_rar_addr(pdev, offset->low, &addr->low) != 0)
+		|| (retrieve_rar_addr(pdev, offset->high, &addr->high) != 0)) {
+		result = -1;
+		break;
+		}
+
+		/*
+		* Only the upper 22 bits of the RAR addresses are
+		* stored in their corresponding RAR registers so we
+		* must set the lower 10 bits accordingly.
+
+		* The low address has its lower 10 bits cleared, and
+		* the high address has all its lower 10 bits set,
+		* e.g.:
+		* low = 0x2ffffc00
+		*/
+
+		addr->low &= (dma_addr_t)0xfffffc00u;
+
+		/*
+		* Set bits 9:0 on uppser address if bits 31:10 are non
+		* zero; otherwize clear all bits
+		*/
+
+		if ((addr->high & 0xfffffc00u) == 0)
+			addr->high = 0;
+		else
+			addr->high |= 0x3ffu;
+	}
+	/* Done accessing the device. */
+
+	if (result == 0) {
+		int z;
+		for (z = 0; z != MRST_NUM_RAR; ++z) {
+			/*
+			* "BRAR" refers to the RAR registers in the
+			* Lincroft B-unit.
+			*/
+			dev_info(&pdev->dev, "BRAR[%u] bus address range = "
+			  "[%lx, %lx]\n", z,
+			  (unsigned long)my_rar_device.rar_addr[z].low,
+			  (unsigned long)my_rar_device.rar_addr[z].high);
+		}
+	}
+
+	return result;
+}
+
+/*
+ * The rar_get_address function is used by other device drivers
+ * to obtain RAR address information on a RAR. It takes three
+ * parameters:
+ *
+ * int rar_index
+ * The rar_index is an index to the rar for which you wish to retrieve
+ * the address information.
+ * Values can be 0,1, or 2.
+ *
+ * The function returns a 0 upon success or a -1 if there is no RAR
+ * facility on this system.
+ */
+int rar_get_address(int rar_index,
+	dma_addr_t *start_address,
+	dma_addr_t *end_address)
+{
+	int result = -ENODEV;
+
+	if (my_rar_device.registered) {
+		if (start_address == 0 || end_address == 0
+			|| rar_index >= MRST_NUM_RAR || rar_index < 0) {
+			result = -EINVAL;
+		} else {
+			*start_address =
+				my_rar_device.rar_addr[rar_index].low;
+			*end_address =
+				my_rar_device.rar_addr[rar_index].high;
+
+			result = 0;
+		}
+	}
+
+	return result;
+}
+EXPORT_SYMBOL(rar_get_address);
+
+/*
+ * The rar_lock function is ued by other device drivers to lock an RAR.
+ * once an RAR is locked, it stays locked until the next system reboot.
+ * The function takes one parameter:
+ *
+ * int rar_index
+ * The rar_index is an index to the rar that you want to lock.
+ * Values can be 0,1, or 2.
+ *
+ * The function returns a 0 upon success or a -1 if there is no RAR
+ * facility on this system.
+ */
+int rar_lock(int rar_index)
+{
+	int result = -ENODEV;
+
+	if (rar_index >= MRST_NUM_RAR || rar_index < 0) {
+		result = -EINVAL;
+		return result;
+	}
+
+	dev_dbg(&my_rar_device.rar_dev->dev, "rar_lock mutex locking\n");
+	mutex_lock(&rar_mutex);
+
+	if (my_rar_device.registered) {
+
+		dma_addr_t low = my_rar_device.rar_addr[rar_index].low &
+			0xfffffc00u;
+
+		dma_addr_t high = my_rar_device.rar_addr[rar_index].high &
+			0xfffffc00u;
+
+		/*
+		* Only allow I/O from the graphics and Langwell;
+		* Not from the x96 processor
+		*/
+		if (rar_index == (int)RAR_TYPE_VIDEO) {
+			low |= 0x00000009;
+			high |= 0x00000015;
+		}
+
+		else if (rar_index == (int)RAR_TYPE_AUDIO) {
+			/* Only allow I/O from Langwell; nothing from x86 */
+			low |= 0x00000008;
+			high |= 0x00000018;
+		}
+
+		else
+			/* Read-only from all agents */
+			high |= 0x00000018;
+
+		/*
+		* Now program the register using the Lincroft message
+		* bus interface.
+		*/
+		result = set_rar_address(my_rar_device.rar_dev,
+			my_rar_device.rar_offsets[rar_index].low,
+			low);
+
+		if (result == 0)
+			result = set_rar_address(
+			my_rar_device.rar_dev,
+			my_rar_device.rar_offsets[rar_index].high,
+			high);
+	}
+
+	dev_dbg(&my_rar_device.rar_dev->dev, "rar_lock mutex unlocking\n");
+	mutex_unlock(&rar_mutex);
+	return result;
+}
+EXPORT_SYMBOL(rar_lock);
+
+/* The register_rar function is to used by other device drivers
+ * to ensure that this driver is ready. As we cannot be sure of
+ * the compile/execute order of dirvers in ther kernel, it is
+ * best to give this driver a callback function to call when
+ * it is ready to give out addresses. The callback function
+ * would have those steps that continue the initialization of
+ * a driver that do require a valid RAR address. One of those
+ * steps would be to call rar_get_address()
+ * This function return 0 on success an -1 on failure.
+*/
+int register_rar(int (*callback)(void *yourparameter), void *yourparameter)
+{
+
+	int result = -ENODEV;
+
+	if (callback == NULL)
+		return -EINVAL;
+
+	mutex_lock(&rar_mutex);
+
+	if (my_rar_device.registered) {
+
+		mutex_unlock(&rar_mutex);
+		/*
+		* if the driver already registered, then we can simply
+		* call the callback right now
+		*/
+
+		return (*callback)(yourparameter);
+	}
+
+	if (num_clients < MRST_NUM_RAR) {
+
+		clients[num_clients].client_callback = callback;
+		clients[num_clients].customer_data = yourparameter;
+		num_clients += 1;
+		result = 0;
+	}
+
+	mutex_unlock(&rar_mutex);
+	return result;
+
+}
+EXPORT_SYMBOL(register_rar);
+
+/* Suspend - returns -ENOSYS */
+static int rar_suspend(struct pci_dev *dev, pm_message_t state)
+{
+	return -ENOSYS;
+}
+
+static int rar_resume(struct pci_dev *dev)
+{
+	return -ENOSYS;
+}
+
+/*
+ * This function registers the driver with the device subsystem (
+ * either PCI, USB, etc).
+ * Function that is activaed on the succesful probe of the RAR device
+ * (Moorestown host controller).
+ */
+static int rar_probe(struct pci_dev *dev, const struct pci_device_id *id)
+{
+	int error;
+	int counter;
+
+	dev_dbg(&dev->dev, "PCI probe starting\n");
+
+	/* enable the device */
+	error = pci_enable_device(dev);
+	if (error) {
+		dev_err(&dev->dev,
+			"Error enabling RAR register PCI device\n");
+		goto end_function;
+	}
+
+	/* we have only one device; fill in the rar_device structure */
+	my_rar_device.rar_dev = dev;
+
+	/*
+	* Initialize the RAR parameters, which have to be retrieved
+	* via the message bus interface.
+	*/
+	error = init_rar_params(dev);
+	if (error) {
+		pci_disable_device(dev);
+
+		dev_err(&dev->dev,
+			"Error retrieving RAR addresses\n");
+
+		goto end_function;
+	}
+
+	dev_dbg(&dev->dev, "PCI probe locking\n");
+	mutex_lock(&rar_mutex);
+	my_rar_device.registered = 1;
+
+	/* now call anyone who has registered (using callbacks) */
+	for (counter = 0; counter < num_clients; counter += 1) {
+		if (clients[counter].client_callback) {
+			error = (*clients[counter].client_callback)(
+				clients[counter].customer_data);
+			/* set callback to NULL to indicate it has been done */
+			clients[counter].client_callback = NULL;
+				dev_dbg(&my_rar_device.rar_dev->dev,
+				"Callback called for %d\n",
+			counter);
+		}
+	}
+
+	dev_dbg(&dev->dev, "PCI probe unlocking\n");
+	mutex_unlock(&rar_mutex);
+
+end_function:
+
+	return error;
+}
+
+const struct pci_device_id rar_pci_id_tbl[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_RAR_DEVICE_ID) },
+	{ 0 }
+};
+
+MODULE_DEVICE_TABLE(pci, rar_pci_id_tbl);
+
+const struct pci_device_id *my_id_table = rar_pci_id_tbl;
+
+/* field for registering driver to PCI device */
+static struct pci_driver rar_pci_driver = {
+	.name = "rar_register_driver",
+	.id_table = rar_pci_id_tbl,
+	.probe = rar_probe,
+	.suspend = rar_suspend,
+	.resume = rar_resume
+};
+
+static int __init rar_init_handler(void)
+{
+	return pci_register_driver(&rar_pci_driver);
+}
+
+static void __exit rar_exit_handler(void)
+{
+	pci_unregister_driver(&rar_pci_driver);
+}
+
+module_init(rar_init_handler);
+module_exit(rar_exit_handler);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Intel Restricted Access Region Register Driver");
diff --git a/drivers/staging/rar_register/rar_register.h b/drivers/staging/rar_register/rar_register.h
new file mode 100644
index 000000000000..29ade0f361d2
--- /dev/null
+++ b/drivers/staging/rar_register/rar_register.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2010 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General
+ * Public License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be
+ * useful, but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA  02111-1307, USA.
+ * The full GNU General Public License is included in this
+ * distribution in the file called COPYING.
+ */
+
+
+#ifndef _RAR_REGISTER_H
+#define _RAR_REGISTER_H
+
+# include <linux/types.h>
+
+/* following are used both in drivers as well as user space apps */
+enum RAR_type {
+	RAR_TYPE_VIDEO = 0,
+	RAR_TYPE_AUDIO,
+	RAR_TYPE_IMAGE,
+	RAR_TYPE_DATA
+};
+
+#ifdef __KERNEL__
+
+/* PCI device id for controller */
+#define PCI_RAR_DEVICE_ID 0x4110
+
+/* The register_rar function is to used by other device drivers
+ * to ensure that this driver is ready. As we cannot be sure of
+ * the compile/execute order of dirvers in ther kernel, it is
+ * best to give this driver a callback function to call when
+ * it is ready to give out addresses. The callback function
+ * would have those steps that continue the initialization of
+ * a driver that do require a valid RAR address. One of those
+ * steps would be to call get_rar_address()
+ * This function return 0 on success an -1 on failure.
+ */
+int register_rar(int (*callback)(void *yourparameter), void *yourparameter);
+
+/* The get_rar_address function is used by other device drivers
+ * to obtain RAR address information on a RAR. It takes two
+ * parameter:
+ *
+ * int rar_index
+ * The rar_index is an index to the rar for which you wish to retrieve
+ * the address information.
+ * Values can be 0,1, or 2.
+ *
+ * struct RAR_address_struct is a pointer to a place to which the function
+ * can return the address structure for the RAR.
+ *
+ * The function returns a 0 upon success or a -1 if there is no RAR
+ * facility on this system.
+ */
+int rar_get_address(int rar_index,
+		dma_addr_t *start_address,
+		dma_addr_t *end_address);
+
+/* The lock_rar function is ued by other device drivers to lock an RAR.
+ * once an RAR is locked, it stays locked until the next system reboot.
+ * The function takes one parameter:
+ *
+ * int rar_index
+ * The rar_index is an index to the rar that you want to lock.
+ * Values can be 0,1, or 2.
+ *
+ * The function returns a 0 upon success or a -1 if there is no RAR
+ * facility on this system.
+ */
+int rar_lock(int rar_index);
+
+#endif  /* __KERNEL__ */
+#endif  /* _RAR_REGISTER_H */
diff --git a/drivers/staging/rt2860/Kconfig b/drivers/staging/rt2860/Kconfig
index f9962b693128..f3a7e47df5e9 100644
--- a/drivers/staging/rt2860/Kconfig
+++ b/drivers/staging/rt2860/Kconfig
@@ -3,6 +3,8 @@ config RT2860
 	depends on PCI && X86 && WLAN
 	select WIRELESS_EXT
 	select WEXT_PRIV
+	select CRC_CCITT
+	select FW_LOADER
 	---help---
 	  This is an experimental driver for the Ralink 2860 and 3090
 	  wireless chips.
diff --git a/drivers/staging/rt2860/common/firmware.h b/drivers/staging/rt2860/common/firmware.h
deleted file mode 100644
index 2fecd32f7600..000000000000
--- a/drivers/staging/rt2860/common/firmware.h
+++ /dev/null
@@ -1,558 +0,0 @@
-/*
- Copyright (c) 2007, Ralink Technology Corporation
- All rights reserved.
-
- Redistribution.  Redistribution and use in binary form, without
- modification, are permitted provided that the following conditions are
- met:
-
- 	* Redistributions must reproduce the above copyright notice and the
- 	following disclaimer in the documentation and/or other materials
- 	provided with the distribution.
- 	* Neither the name of Ralink Technology Corporation nor the names of its
- 	suppliers may be used to endorse or promote products derived from this
- 	software without specific prior written permission.
- 	* No reverse engineering, decompilation, or disassembly of this software
- 	is permitted.
-
- Limited patent license. Ralink Technology Corporation grants a world-wide,
- royalty-free, non-exclusive license under patents it now or hereafter
- owns or controls to make, have made, use, import, offer to sell and
- sell ("Utilize") this software, but solely to the extent that any
- such patent is necessary to Utilize the software alone, or in
- combination with an operating system licensed under an approved Open
- Source license as listed by the Open Source Initiative at
- http://opensource.org/licenses.  The patent license shall not apply to
- any other combinations which include this software.  No hardware per
- se is licensed hereunder.
-
- DISCLAIMER.  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- DAMAGE.
-*/
-/* AUTO GEN PLEASE DO NOT MODIFY IT */
-/* AUTO GEN PLEASE DO NOT MODIFY IT */
-
-
-u8 FirmwareImage_2860 [] = {
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diff --git a/drivers/staging/rt2860/common/firmware_3070.h b/drivers/staging/rt2860/common/firmware_3070.h
deleted file mode 100644
index b710d40bc046..000000000000
--- a/drivers/staging/rt2860/common/firmware_3070.h
+++ /dev/null
@@ -1,517 +0,0 @@
-/* AUTO GEN PLEASE DO NOT MODIFY IT */
-/* AUTO GEN PLEASE DO NOT MODIFY IT */
-
-
-u8 FirmwareImage_3070 [] = {
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-0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
-0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x65, 0xd3, } ;
diff --git a/drivers/staging/rt2860/common/rtmp_mcu.c b/drivers/staging/rt2860/common/rtmp_mcu.c
index 9f03901433bb..844d4b987b78 100644
--- a/drivers/staging/rt2860/common/rtmp_mcu.c
+++ b/drivers/staging/rt2860/common/rtmp_mcu.c
@@ -37,35 +37,38 @@
 
 #include	"../rt_config.h"
 
-#if defined(RT2860) || defined(RT3090)
-#include "firmware.h"
-#include "../../rt3090/firmware.h"
-#endif
-#ifdef RT2870
-#include "../../rt3070/firmware.h"
-#include "firmware_3070.h"
-#endif
-
-#include <linux/bitrev.h>
+#include <linux/crc-ccitt.h>
+#include <linux/firmware.h>
 
 #ifdef RTMP_MAC_USB
-/* */
-/* RT2870 Firmware Spec only used 1 oct for version expression */
-/* */
-#define FIRMWARE_MINOR_VERSION	7
-#endif /* RTMP_MAC_USB // */
 
-/* New 8k byte firmware size for RT3071/RT3072 */
-#define FIRMWAREIMAGE_MAX_LENGTH	0x2000
-#define FIRMWAREIMAGE_LENGTH			(sizeof (FirmwareImage) / sizeof(u8))
-#define FIRMWARE_MAJOR_VERSION		0
+#define FIRMWAREIMAGE_LENGTH		0x1000
 
-#define FIRMWAREIMAGEV1_LENGTH		0x1000
-#define FIRMWAREIMAGEV2_LENGTH		0x1000
+#define FIRMWARE_2870_MIN_VERSION	12
+#define FIRMWARE_2870_FILENAME		"rt2870.bin"
+MODULE_FIRMWARE(FIRMWARE_2870_FILENAME);
 
-#ifdef RTMP_MAC_PCI
-#define FIRMWARE_MINOR_VERSION		2
-#endif /* RTMP_MAC_PCI // */
+#define FIRMWARE_3070_MIN_VERSION	17
+#define FIRMWARE_3070_FILENAME		"rt3070.bin"
+MODULE_FIRMWARE(FIRMWARE_3070_FILENAME);
+
+#define FIRMWARE_3071_MIN_VERSION	17
+#define FIRMWARE_3071_FILENAME		"rt3071.bin"	/* for RT3071/RT3072 */
+MODULE_FIRMWARE(FIRMWARE_3071_FILENAME);
+
+#else /* RTMP_MAC_PCI */
+
+#define FIRMWAREIMAGE_LENGTH		0x2000
+
+#define FIRMWARE_2860_MIN_VERSION	11
+#define FIRMWARE_2860_FILENAME		"rt2860.bin"
+MODULE_FIRMWARE(FIRMWARE_2860_FILENAME);
+
+#define FIRMWARE_3090_MIN_VERSION	19
+#define FIRMWARE_3090_FILENAME		"rt3090.bin"	/* for RT3090/RT3390 */
+MODULE_FIRMWARE(FIRMWARE_3090_FILENAME);
+
+#endif
 
 /*
 	========================================================================
@@ -90,6 +93,78 @@ int RtmpAsicEraseFirmware(struct rt_rtmp_adapter *pAd)
 	return 0;
 }
 
+static const struct firmware *rtmp_get_firmware(struct rt_rtmp_adapter *adapter)
+{
+	const char *name;
+	const struct firmware *fw = NULL;
+	u8 min_version;
+	struct device *dev;
+	int err;
+
+	if (adapter->firmware)
+		return adapter->firmware;
+
+#ifdef RTMP_MAC_USB
+	if (IS_RT3071(adapter)) {
+		name = FIRMWARE_3071_FILENAME;
+		min_version = FIRMWARE_3071_MIN_VERSION;
+	} else if (IS_RT3070(adapter)) {
+		name = FIRMWARE_3070_FILENAME;
+		min_version = FIRMWARE_3070_MIN_VERSION;
+	} else {
+		name = FIRMWARE_2870_FILENAME;
+		min_version = FIRMWARE_2870_MIN_VERSION;
+	}
+	dev = &((struct os_cookie *)adapter->OS_Cookie)->pUsb_Dev->dev;
+#else /* RTMP_MAC_PCI */
+	if (IS_RT3090(adapter) || IS_RT3390(adapter)) {
+		name = FIRMWARE_3090_FILENAME;
+		min_version = FIRMWARE_3090_MIN_VERSION;
+	} else {
+		name = FIRMWARE_2860_FILENAME;
+		min_version = FIRMWARE_2860_MIN_VERSION;
+	}
+	dev = &((struct os_cookie *)adapter->OS_Cookie)->pci_dev->dev;
+#endif
+
+	err = request_firmware(&fw, name, dev);
+	if (err) {
+		dev_err(dev, "firmware file %s request failed (%d)\n",
+			name, err);
+		return NULL;
+	}
+
+	if (fw->size < FIRMWAREIMAGE_LENGTH) {
+		dev_err(dev, "firmware file %s size is invalid\n", name);
+		goto invalid;
+	}
+
+	/* is it new enough? */
+	adapter->FirmwareVersion = fw->data[FIRMWAREIMAGE_LENGTH - 3];
+	if (adapter->FirmwareVersion < min_version) {
+		dev_err(dev,
+			"firmware file %s is too old;"
+			" driver requires v%d or later\n",
+			name, min_version);
+		goto invalid;
+	}
+
+	/* is the internal CRC correct? */
+	if (crc_ccitt(0xffff, fw->data, FIRMWAREIMAGE_LENGTH - 2) !=
+	    (fw->data[FIRMWAREIMAGE_LENGTH - 2] |
+	     (fw->data[FIRMWAREIMAGE_LENGTH - 1] << 8))) {
+		dev_err(dev, "firmware file %s failed internal CRC\n", name);
+		goto invalid;
+	}
+
+	adapter->firmware = fw;
+	return fw;
+
+invalid:
+	release_firmware(fw);
+	return NULL;
+}
+
 /*
 	========================================================================
 
@@ -109,46 +184,16 @@ int RtmpAsicEraseFirmware(struct rt_rtmp_adapter *pAd)
 */
 int RtmpAsicLoadFirmware(struct rt_rtmp_adapter *pAd)
 {
-
+	const struct firmware *fw;
 	int Status = NDIS_STATUS_SUCCESS;
-	u8 *pFirmwareImage = NULL;
-	unsigned long FileLength, Index;
+	unsigned long Index;
 	u32 MacReg = 0;
-#ifdef RTMP_MAC_USB
-	u32 Version = (pAd->MACVersion >> 16);
-#endif
 
-	/* New 8k byte firmware size for RT3071/RT3072 */
-	{
-#ifdef RTMP_MAC_PCI
-		if (IS_RT3090(pAd) || IS_RT3390(pAd)) {
-			pFirmwareImage = FirmwareImage_3090;
-			FileLength = FIRMWAREIMAGE_MAX_LENGTH;
-		} else {
-			pFirmwareImage = FirmwareImage_2860;
-			FileLength = FIRMWAREIMAGE_MAX_LENGTH;
-		}
-#endif /* RTMP_MAC_PCI // */
-#ifdef RTMP_MAC_USB
-		/* the firmware image consists of two parts */
-		if ((Version != 0x2860) && (Version != 0x2872) && (Version != 0x3070)) {	/* use the second part */
-			/*printk("KH:Use New Version,part2\n"); */
-			pFirmwareImage =
-			    (u8 *)&
-			    FirmwareImage_3070[FIRMWAREIMAGEV1_LENGTH];
-			FileLength = FIRMWAREIMAGEV2_LENGTH;
-		} else {
-			/*printk("KH:Use New Version,part1\n"); */
-			if (Version == 0x3070)
-				pFirmwareImage = FirmwareImage_3070;
-			else
-				pFirmwareImage = FirmwareImage_2870;
-			FileLength = FIRMWAREIMAGEV1_LENGTH;
-		}
-#endif /* RTMP_MAC_USB // */
-	}
+	fw = rtmp_get_firmware(pAd);
+	if (!fw)
+		return NDIS_STATUS_FAILURE;
 
-	RTMP_WRITE_FIRMWARE(pAd, pFirmwareImage, FileLength);
+	RTMP_WRITE_FIRMWARE(pAd, fw->data, FIRMWAREIMAGE_LENGTH);
 
 	/* check if MCU is ready */
 	Index = 0;
@@ -221,7 +266,7 @@ int RtmpAsicSendCommandToMcu(struct rt_rtmp_adapter *pAd,
 				 ("AsicSendCommanToMcu::Mail box is busy\n"));
 		} while (i++ < 100);
 
-		if (i >= 100) {
+		if (i > 100) {
 			DBGPRINT_ERR(("H2M_MAILBOX still hold by MCU. command fail\n"));
 			return FALSE;
 		}
diff --git a/drivers/staging/rt2860/rt_linux.c b/drivers/staging/rt2860/rt_linux.c
index 9357fb26cc2a..b5c78aecf5e3 100644
--- a/drivers/staging/rt2860/rt_linux.c
+++ b/drivers/staging/rt2860/rt_linux.c
@@ -25,6 +25,7 @@
  *************************************************************************
  */
 
+#include <linux/firmware.h>
 #include <linux/sched.h>
 #include "rt_config.h"
 
@@ -260,6 +261,8 @@ void RTMPFreeAdapter(struct rt_rtmp_adapter *pAd)
 
 	NdisFreeSpinLock(&pAd->irq_lock);
 
+	release_firmware(pAd->firmware);
+
 	vfree(pAd);		/* pci_free_consistent(os_cookie->pci_dev,sizeof(struct rt_rtmp_adapter),pAd,os_cookie->pAd_pa); */
 	if (os_cookie)
 		kfree(os_cookie);
@@ -462,9 +465,9 @@ void *duplicate_pkt(struct rt_rtmp_adapter *pAd,
 	if ((skb =
 	     __dev_alloc_skb(HdrLen + DataSize + 2, MEM_ALLOC_FLAG)) != NULL) {
 		skb_reserve(skb, 2);
-		NdisMoveMemory(skb->tail, pHeader802_3, HdrLen);
+		NdisMoveMemory(skb_tail_pointer(skb), pHeader802_3, HdrLen);
 		skb_put(skb, HdrLen);
-		NdisMoveMemory(skb->tail, pData, DataSize);
+		NdisMoveMemory(skb_tail_pointer(skb), pData, DataSize);
 		skb_put(skb, DataSize);
 		skb->dev = get_netdev_from_bssid(pAd, FromWhichBSSID);
 		pPacket = OSPKT_TO_RTPKT(skb);
@@ -515,7 +518,7 @@ void *ClonePacket(struct rt_rtmp_adapter *pAd,
 		pClonedPkt->dev = pRxPkt->dev;
 		pClonedPkt->data = pData;
 		pClonedPkt->len = DataSize;
-		pClonedPkt->tail = pClonedPkt->data + pClonedPkt->len;
+		skb_set_tail_pointer(pClonedPkt, DataSize)
 		ASSERT(DataSize < 1530);
 	}
 	return pClonedPkt;
@@ -535,7 +538,7 @@ void update_os_packet_info(struct rt_rtmp_adapter *pAd,
 	pOSPkt->dev = get_netdev_from_bssid(pAd, FromWhichBSSID);
 	pOSPkt->data = pRxBlk->pData;
 	pOSPkt->len = pRxBlk->DataSize;
-	pOSPkt->tail = pOSPkt->data + pOSPkt->len;
+	skb_set_tail_pointer(pOSPkt, pOSPkt->len);
 }
 
 void wlan_802_11_to_802_3_packet(struct rt_rtmp_adapter *pAd,
@@ -553,7 +556,7 @@ void wlan_802_11_to_802_3_packet(struct rt_rtmp_adapter *pAd,
 	pOSPkt->dev = get_netdev_from_bssid(pAd, FromWhichBSSID);
 	pOSPkt->data = pRxBlk->pData;
 	pOSPkt->len = pRxBlk->DataSize;
-	pOSPkt->tail = pOSPkt->data + pOSPkt->len;
+	skb_set_tail_pointer(pOSPkt, pOSPkt->len);
 
 	/* */
 	/* copy 802.3 header */
diff --git a/drivers/staging/rt2860/rt_linux.h b/drivers/staging/rt2860/rt_linux.h
index f85508d9d5a9..a7c540f8e3e3 100644
--- a/drivers/staging/rt2860/rt_linux.h
+++ b/drivers/staging/rt2860/rt_linux.h
@@ -658,9 +658,9 @@ void linux_pci_unmap_single(void *handle, dma_addr_t dma_addr, size_t size,
 		(RTPKT_TO_OSPKT(_pkt)->len) = (_len)
 
 #define GET_OS_PKT_DATATAIL(_pkt) \
-		(RTPKT_TO_OSPKT(_pkt)->tail)
+		(skb_tail_pointer(RTPKT_TO_OSPKT(_pkt))
 #define SET_OS_PKT_DATATAIL(_pkt, _start, _len)	\
-		((RTPKT_TO_OSPKT(_pkt))->tail) = (u8 *)((_start) + (_len))
+		(skb_set_tail_pointer(RTPKT_TO_OSPKT(_pkt), _len))
 
 #define GET_OS_PKT_HEAD(_pkt) \
 		(RTPKT_TO_OSPKT(_pkt)->head)
diff --git a/drivers/staging/rt2860/rt_main_dev.c b/drivers/staging/rt2860/rt_main_dev.c
index c3d92802d0c9..fbddb00cfedd 100644
--- a/drivers/staging/rt2860/rt_main_dev.c
+++ b/drivers/staging/rt2860/rt_main_dev.c
@@ -216,7 +216,7 @@ int rt28xx_close(struct net_device *dev)
 	u32 i = 0;
 
 #ifdef RTMP_MAC_USB
-	DECLARE_WAIT_QUEUE_HEAD(unlink_wakeup);
+	DECLARE_WAIT_QUEUE_HEAD_ONSTACK(unlink_wakeup);
 	DECLARE_WAITQUEUE(wait, current);
 #endif /* RTMP_MAC_USB // */
 
diff --git a/drivers/staging/rt2860/rtmp.h b/drivers/staging/rt2860/rtmp.h
index c50abf4b8068..4401a55bda67 100644
--- a/drivers/staging/rt2860/rtmp.h
+++ b/drivers/staging/rt2860/rtmp.h
@@ -1719,6 +1719,7 @@ struct rt_rtmp_adapter {
 	void *OS_Cookie;	/* save specific structure relative to OS */
 	struct net_device *net_dev;
 	unsigned long VirtualIfCnt;
+	const struct firmware *firmware;
 
 	struct rt_rtmp_chip_op chipOps;
 	u16 ThisTbttNumToNextWakeUp;
@@ -4043,10 +4044,10 @@ int RTUSBMultiRead(struct rt_rtmp_adapter *pAd,
 			u16 Offset, u8 *pData, u16 length);
 
 int RTUSBMultiWrite(struct rt_rtmp_adapter *pAd,
-			 u16 Offset, u8 *pData, u16 length);
+		    u16 Offset, const u8 *pData, u16 length);
 
 int RTUSBMultiWrite_OneByte(struct rt_rtmp_adapter *pAd,
-				 u16 Offset, u8 *pData);
+			    u16 Offset, const u8 *pData);
 
 int RTUSBReadBBPRegister(struct rt_rtmp_adapter *pAd,
 			      u8 Id, u8 *pValue);
@@ -4112,7 +4113,7 @@ int RTUSBSingleWrite(struct rt_rtmp_adapter *pAd,
 			  u16 Offset, u16 Value);
 
 int RTUSBFirmwareWrite(struct rt_rtmp_adapter *pAd,
-			    u8 *pFwImage, unsigned long FwLen);
+		       const u8 *pFwImage, unsigned long FwLen);
 
 int RTUSBVenderReset(struct rt_rtmp_adapter *pAd);
 
diff --git a/drivers/staging/rt2860/sta/connect.c b/drivers/staging/rt2860/sta/connect.c
index 17e59ba3d807..55732b10062d 100644
--- a/drivers/staging/rt2860/sta/connect.c
+++ b/drivers/staging/rt2860/sta/connect.c
@@ -62,8 +62,8 @@ u8 CipherSuiteWpaNoneAes[] = {
 u8 CipherSuiteWpaNoneAesLen =
     (sizeof(CipherSuiteWpaNoneAes) / sizeof(u8));
 
-/* The following MACRO is called after 1. starting an new IBSS, 2. succesfully JOIN an IBSS, */
-/* or 3. succesfully ASSOCIATE to a BSS, 4. successfully RE_ASSOCIATE to a BSS */
+/* The following MACRO is called after 1. starting an new IBSS, 2. successfully JOIN an IBSS, */
+/* or 3. successfully ASSOCIATE to a BSS, 4. successfully RE_ASSOCIATE to a BSS */
 /* All settings successfuly negotiated furing MLME state machines become final settings */
 /* and are copied to pAd->StaActive */
 #define COPY_SETTINGS_FROM_MLME_AUX_TO_ACTIVE_CFG(_pAd)                                 \
diff --git a/drivers/staging/rt2860/sta_ioctl.c b/drivers/staging/rt2860/sta_ioctl.c
index d8fbe6cc6941..de4b6277baee 100644
--- a/drivers/staging/rt2860/sta_ioctl.c
+++ b/drivers/staging/rt2860/sta_ioctl.c
@@ -975,10 +975,7 @@ int rt_ioctl_giwscan(struct net_device *dev,
 		/*================================ */
 		memset(&iwe, 0, sizeof(iwe));
 		iwe.cmd = SIOCGIWFREQ;
-		if (INFRA_ON(pAdapter) || ADHOC_ON(pAdapter))
-			iwe.u.freq.m = pAdapter->ScanTab.BssEntry[i].Channel;
-		else
-			iwe.u.freq.m = pAdapter->ScanTab.BssEntry[i].Channel;
+		iwe.u.freq.m = pAdapter->ScanTab.BssEntry[i].Channel;
 		iwe.u.freq.e = 0;
 		iwe.u.freq.i = 0;
 
diff --git a/drivers/staging/rt2860/usb_main_dev.c b/drivers/staging/rt2860/usb_main_dev.c
index 925a236e1044..1873a79bb033 100644
--- a/drivers/staging/rt2860/usb_main_dev.c
+++ b/drivers/staging/rt2860/usb_main_dev.c
@@ -216,10 +216,6 @@ static int rt2870_suspend(struct usb_interface *intf, pm_message_t state);
 static int rt2870_resume(struct usb_interface *intf);
 #endif /* CONFIG_PM // */
 
-static int rtusb_probe(struct usb_interface *intf,
-		       const struct usb_device_id *id);
-static void rtusb_disconnect(struct usb_interface *intf);
-
 static BOOLEAN USBDevConfigInit(IN struct usb_device *dev,
 				IN struct usb_interface *intf,
 				struct rt_rtmp_adapter *pAd)
@@ -296,7 +292,7 @@ static BOOLEAN USBDevConfigInit(IN struct usb_device *dev,
 
 }
 
-static int rtusb_probe(struct usb_interface *intf,
+static int __devinit rtusb_probe(struct usb_interface *intf,
 		       const struct usb_device_id *id)
 {
 	struct rt_rtmp_adapter *pAd;
diff --git a/drivers/staging/rt2870/Kconfig b/drivers/staging/rt2870/Kconfig
index fd3ba3a3b127..6ea172b433e9 100644
--- a/drivers/staging/rt2870/Kconfig
+++ b/drivers/staging/rt2870/Kconfig
@@ -3,5 +3,7 @@ config RT2870
 	depends on USB && X86 && WLAN
 	select WIRELESS_EXT
 	select WEXT_PRIV
+	select CRC_CCITT
+	select FW_LOADER
 	---help---
 	  This is an experimental driver for the Ralink xx70 wireless chips.
diff --git a/drivers/staging/rt2870/common/rtusb_io.c b/drivers/staging/rt2870/common/rtusb_io.c
index 34443f2243f1..cf0d2f5dbc6c 100644
--- a/drivers/staging/rt2870/common/rtusb_io.c
+++ b/drivers/staging/rt2870/common/rtusb_io.c
@@ -84,7 +84,7 @@ static int RTUSBFirmwareRun(struct rt_rtmp_adapter *pAd)
 	========================================================================
 */
 int RTUSBFirmwareWrite(struct rt_rtmp_adapter *pAd,
-			    u8 *pFwImage, unsigned long FwLen)
+		       const u8 *pFwImage, unsigned long FwLen)
 {
 	u32 MacReg;
 	int Status;
@@ -167,7 +167,7 @@ int RTUSBMultiRead(struct rt_rtmp_adapter *pAd,
 	========================================================================
 */
 int RTUSBMultiWrite_OneByte(struct rt_rtmp_adapter *pAd,
-				 u16 Offset, u8 *pData)
+			    u16 Offset, const u8 *pData)
 {
 	int Status;
 
@@ -175,18 +175,18 @@ int RTUSBMultiWrite_OneByte(struct rt_rtmp_adapter *pAd,
 	Status = RTUSB_VendorRequest(pAd,
 				     USBD_TRANSFER_DIRECTION_OUT,
 				     DEVICE_VENDOR_REQUEST_OUT,
-				     0x6, 0, Offset, pData, 1);
+				     0x6, 0, Offset, (u8 *)pData, 1);
 
 	return Status;
 }
 
 int RTUSBMultiWrite(struct rt_rtmp_adapter *pAd,
-			 u16 Offset, u8 *pData, u16 length)
+		    u16 Offset, const u8 *pData, u16 length)
 {
 	int Status;
 
 	u16 index = 0, Value;
-	u8 *pSrc = pData;
+	const u8 *pSrc = pData;
 	u16 resude = 0;
 
 	resude = length % 2;
diff --git a/drivers/staging/rt3070/firmware.h b/drivers/staging/rt3070/firmware.h
deleted file mode 100644
index 5cf9cbcf4ab6..000000000000
--- a/drivers/staging/rt3070/firmware.h
+++ /dev/null
@@ -1,558 +0,0 @@
-/*
- Copyright (c) 2007, Ralink Technology Corporation
- All rights reserved.
-
- Redistribution.  Redistribution and use in binary form, without
- modification, are permitted provided that the following conditions are
- met:
-
- 	* Redistributions must reproduce the above copyright notice and the
- 	following disclaimer in the documentation and/or other materials
- 	provided with the distribution.
- 	* Neither the name of Ralink Technology Corporation nor the names of its
- 	suppliers may be used to endorse or promote products derived from this
- 	software without specific prior written permission.
- 	* No reverse engineering, decompilation, or disassembly of this software
- 	is permitted.
-
- Limited patent license. Ralink Technology Corporation grants a world-wide,
- royalty-free, non-exclusive license under patents it now or hereafter
- owns or controls to make, have made, use, import, offer to sell and
- sell ("Utilize") this software, but solely to the extent that any
- such patent is necessary to Utilize the software alone, or in
- combination with an operating system licensed under an approved Open
- Source license as listed by the Open Source Initiative at
- http://opensource.org/licenses.  The patent license shall not apply to
- any other combinations which include this software.  No hardware per
- se is licensed hereunder.
-
- DISCLAIMER.  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
- CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
- BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
- TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
- USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
- DAMAGE.
-*/
-/* AUTO GEN PLEASE DO NOT MODIFY IT */
-/* AUTO GEN PLEASE DO NOT MODIFY IT */
-
-
-u8 FirmwareImage_2870 [] = {
-0xff, 0xff, 0xff, 0x02, 0x10, 0x28, 0x02, 0x10, 0x32, 0x02, 0x10, 0x78, 0x02, 0x12, 0x67, 0x02,
-0x12, 0x68, 0x02, 0x12, 0x87, 0x02, 0x12, 0x8c, 0x12, 0x12, 0x88, 0x22, 0x02, 0x16, 0x49, 0x02,
-0x17, 0x1f, 0x02, 0x13, 0x77, 0x02, 0x12, 0x8d, 0x30, 0x05, 0x06, 0x20, 0x0d, 0x03, 0x12, 0x17,
-0xc1, 0x22, 0x90, 0x01, 0x8c, 0xe0, 0x30, 0xe3, 0x1b, 0xe5, 0x4c, 0x30, 0xe0, 0x04, 0x7f, 0x40,
-0x80, 0x02, 0x7f, 0x00, 0x90, 0x10, 0x2f, 0xef, 0xf0, 0x90, 0x01, 0x8c, 0x74, 0x08, 0xf0, 0xe4,
-0x90, 0x01, 0xa7, 0xf0, 0x90, 0x01, 0x8c, 0xe0, 0x30, 0xe0, 0x1c, 0x90, 0x01, 0x80, 0xe0, 0xb4,
-0x02, 0x15, 0xa3, 0xe0, 0xb4, 0x01, 0x10, 0x90, 0x01, 0x84, 0xe0, 0xb4, 0x81, 0x09, 0x90, 0x01,
-0x8c, 0x74, 0x01, 0xf0, 0x12, 0x0d, 0xc8, 0x22, 0x90, 0x04, 0x14, 0xe0, 0x20, 0xe7, 0x03, 0x02,
-0x12, 0x66, 0x90, 0x70, 0x12, 0xe0, 0xf5, 0x56, 0x90, 0x04, 0x04, 0xe0, 0x12, 0x0a, 0x9d, 0x10,
-0xb7, 0x31, 0x10, 0xe0, 0x50, 0x11, 0x04, 0x51, 0x11, 0x0d, 0x52, 0x11, 0x0d, 0x53, 0x11, 0x0d,
-0x54, 0x11, 0x4e, 0x55, 0x11, 0x7e, 0x70, 0x11, 0xa9, 0x71, 0x11, 0xd7, 0x72, 0x12, 0x1d, 0x73,
-0x12, 0x3e, 0x80, 0x00, 0x00, 0x12, 0x66, 0x20, 0x02, 0x03, 0x30, 0x03, 0x1d, 0x7d, 0x02, 0xaf,
-0x56, 0x12, 0x0b, 0x91, 0x90, 0x04, 0x14, 0x74, 0x80, 0xf0, 0xe4, 0x90, 0x70, 0x13, 0xf0, 0xe5,
-0x56, 0xf4, 0x70, 0x03, 0x02, 0x12, 0x66, 0x02, 0x12, 0x5f, 0x85, 0x56, 0x41, 0xd2, 0x02, 0x22,
-0x90, 0x70, 0x10, 0xe0, 0x54, 0x7f, 0x64, 0x02, 0x60, 0x03, 0x02, 0x12, 0x66, 0x90, 0x70, 0x11,
-0xe0, 0x64, 0x08, 0x60, 0x08, 0xe0, 0x64, 0x20, 0x60, 0x03, 0x02, 0x12, 0x66, 0x75, 0x4e, 0x03,
-0x75, 0x4f, 0x20, 0x22, 0x90, 0x70, 0x11, 0xe0, 0x24, 0xff, 0x92, 0x47, 0x22, 0x90, 0x04, 0x04,
-0xe0, 0x25, 0xe0, 0x24, 0x5d, 0xf5, 0x57, 0x90, 0x70, 0x10, 0xe0, 0xff, 0x74, 0x47, 0x25, 0x57,
-0xf8, 0xc6, 0xef, 0xc6, 0x90, 0x70, 0x11, 0xe0, 0xff, 0x74, 0x48, 0x25, 0x57, 0xf8, 0xc6, 0xef,
-0xc6, 0xe4, 0xfd, 0xaf, 0x56, 0x12, 0x0b, 0x91, 0x90, 0x04, 0x14, 0x74, 0x80, 0xf0, 0xe4, 0x90,
-0x70, 0x13, 0xf0, 0xe5, 0x56, 0xf4, 0x70, 0x03, 0x02, 0x12, 0x66, 0x02, 0x12, 0x5f, 0xe5, 0x47,
-0x64, 0x07, 0x60, 0x0b, 0xe5, 0x47, 0x64, 0x08, 0x60, 0x05, 0xe5, 0x47, 0xb4, 0x09, 0x08, 0x90,
-0x70, 0x11, 0xe0, 0x54, 0x0f, 0xf5, 0x3a, 0xe5, 0x47, 0xb4, 0x09, 0x08, 0xe5, 0x3a, 0xb4, 0x03,
-0x03, 0xe4, 0xf5, 0x46, 0xe4, 0xfd, 0xaf, 0x56, 0x12, 0x0b, 0x91, 0xd2, 0x04, 0x22, 0x90, 0x70,
-0x10, 0xe0, 0xfe, 0x90, 0x70, 0x11, 0xe0, 0xfd, 0xed, 0xf8, 0xe6, 0xf5, 0x57, 0xfd, 0xaf, 0x56,
-0x12, 0x0b, 0x91, 0x90, 0x04, 0x14, 0x74, 0x80, 0xf0, 0xe4, 0x90, 0x70, 0x13, 0xf0, 0xe5, 0x56,
-0xf4, 0x70, 0x03, 0x02, 0x12, 0x66, 0x02, 0x12, 0x5f, 0x90, 0x70, 0x10, 0xe0, 0xfe, 0x90, 0x70,
-0x11, 0xe0, 0xfd, 0xed, 0xf5, 0x82, 0x8e, 0x83, 0xe0, 0xf5, 0x57, 0xfd, 0xaf, 0x56, 0x12, 0x0b,
-0x91, 0x90, 0x04, 0x14, 0x74, 0x80, 0xf0, 0xe4, 0x90, 0x70, 0x13, 0xf0, 0xe5, 0x56, 0xf4, 0x70,
-0x03, 0x02, 0x12, 0x66, 0x02, 0x12, 0x5f, 0x90, 0x10, 0x02, 0xe0, 0xb4, 0x70, 0x1e, 0xa3, 0xe0,
-0xb4, 0x30, 0x19, 0x90, 0x05, 0x08, 0xe0, 0x44, 0x01, 0xf0, 0xfd, 0x90, 0x05, 0x05, 0xe0, 0x54,
-0xfb, 0xf0, 0x44, 0x04, 0xf0, 0xed, 0x54, 0xfe, 0x90, 0x05, 0x08, 0xf0, 0xe4, 0xf5, 0x4e, 0xf5,
-0x4f, 0x75, 0x3a, 0xff, 0xad, 0x57, 0xaf, 0x56, 0x12, 0x0b, 0x91, 0x90, 0x04, 0x14, 0x74, 0x80,
-0xf0, 0xe4, 0x90, 0x70, 0x13, 0xf0, 0xe5, 0x56, 0xf4, 0x60, 0x4b, 0x80, 0x42, 0x90, 0x70, 0x10,
-0xe0, 0x24, 0xff, 0x92, 0x93, 0xe4, 0xfd, 0xaf, 0x56, 0x12, 0x0b, 0x91, 0x90, 0x04, 0x14, 0x74,
-0x80, 0xf0, 0xe4, 0x90, 0x70, 0x13, 0xf0, 0xe5, 0x56, 0xf4, 0x60, 0x2a, 0x80, 0x21, 0x90, 0x70,
-0x10, 0xe0, 0x24, 0xff, 0x92, 0x4a, 0xd2, 0x05, 0xad, 0x57, 0xaf, 0x56, 0x12, 0x0b, 0x91, 0x90,
-0x04, 0x14, 0x74, 0x80, 0xf0, 0xe4, 0x90, 0x70, 0x13, 0xf0, 0xe5, 0x56, 0xf4, 0x60, 0x07, 0x90,
-0x70, 0x25, 0xe0, 0x44, 0x01, 0xf0, 0x22, 0x22, 0xe5, 0x53, 0x70, 0x1a, 0x30, 0x60, 0x09, 0xb2,
-0x4d, 0x30, 0x4d, 0x04, 0x05, 0x46, 0xc2, 0x04, 0xe5, 0x4f, 0x45, 0x4e, 0x60, 0x08, 0xe5, 0x4f,
-0x15, 0x4f, 0x70, 0x02, 0x15, 0x4e, 0x22, 0x22, 0xc2, 0x42, 0xd3, 0x22, 0x22, 0xc2, 0x4b, 0xc2,
-0x4c, 0xe5, 0x44, 0x12, 0x0a, 0x9d, 0x12, 0xaf, 0x00, 0x13, 0x42, 0x04, 0x13, 0x3e, 0x08, 0x13,
-0x19, 0x10, 0x12, 0xc3, 0x20, 0x12, 0xe3, 0x60, 0x12, 0xf4, 0xa0, 0x00, 0x00, 0x13, 0x44, 0x85,
-0x48, 0x43, 0x85, 0x4a, 0x42, 0x85, 0x4c, 0x5e, 0xe5, 0x47, 0x64, 0x06, 0x60, 0x03, 0x02, 0x13,
-0x44, 0x80, 0x1b, 0xe5, 0x48, 0xc4, 0x54, 0x0f, 0xf5, 0x43, 0xe5, 0x4a, 0xc4, 0x54, 0x0f, 0xf5,
-0x42, 0xe5, 0x4c, 0xc4, 0x54, 0x0f, 0xf5, 0x5e, 0xe5, 0x47, 0x64, 0x06, 0x70, 0x66, 0x53, 0x43,
-0x0f, 0x80, 0x61, 0x85, 0x49, 0x43, 0x85, 0x4b, 0x42, 0x85, 0x4d, 0x5e, 0xe5, 0x47, 0x64, 0x06,
-0x70, 0x52, 0x80, 0x1b, 0xe5, 0x49, 0xc4, 0x54, 0x0f, 0xf5, 0x43, 0xe5, 0x4b, 0xc4, 0x54, 0x0f,
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-0x43, 0x54, 0x0f, 0x44, 0x10, 0xf5, 0x43, 0x80, 0x2b, 0xe5, 0x47, 0xb4, 0x04, 0x06, 0x53, 0x5e,
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-0x80, 0x02, 0xd2, 0x4c, 0xe4, 0xf5, 0x25, 0xe5, 0x42, 0xc4, 0x54, 0xf0, 0xff, 0xe5, 0x43, 0x54,
-0x0f, 0x4f, 0xf5, 0x5f, 0x90, 0x70, 0x44, 0xf0, 0xa3, 0xe5, 0x5e, 0xf0, 0xa3, 0xe5, 0x4a, 0xf0,
-0xa3, 0xe5, 0x48, 0xf0, 0xa3, 0xe5, 0x4c, 0xf0, 0xa3, 0xe5, 0x44, 0xf0, 0xa3, 0xe5, 0x42, 0xf0,
-0xa3, 0xe5, 0x43, 0xf0, 0xd2, 0x60, 0x22, 0xe5, 0x47, 0x60, 0x10, 0x24, 0xc0, 0x70, 0x03, 0x12,
-0x16, 0x29, 0x12, 0x13, 0x8c, 0xc2, 0xaf, 0xc2, 0x04, 0xd2, 0xaf, 0x22, 0xc2, 0xaf, 0x90, 0x04,
-0x14, 0xe0, 0x54, 0x0e, 0x60, 0x04, 0xd2, 0x18, 0x80, 0x08, 0xe5, 0x4e, 0x45, 0x4f, 0x24, 0xff,
-0x92, 0x18, 0xd2, 0xaf, 0x90, 0x04, 0x14, 0xe0, 0xa2, 0xe4, 0x92, 0x19, 0x74, 0x1e, 0xf0, 0xe5,
-0x5f, 0x54, 0x0f, 0xf5, 0x2d, 0xe5, 0x25, 0x70, 0x13, 0x30, 0x18, 0x05, 0xe5, 0x5f, 0x20, 0xe5,
-0x0b, 0x30, 0x19, 0x19, 0xe5, 0x5f, 0x54, 0x30, 0xff, 0xbf, 0x30, 0x11, 0xe5, 0x25, 0x70, 0x05,
-0x75, 0x25, 0x0c, 0x80, 0x02, 0x15, 0x25, 0xd2, 0x6c, 0xd2, 0x6d, 0x80, 0x0f, 0xe5, 0x5f, 0x30,
-0xe6, 0x06, 0xc2, 0x6c, 0xd2, 0x6d, 0x80, 0x04, 0xd2, 0x6c, 0xc2, 0x6d, 0xe5, 0x47, 0x64, 0x03,
-0x70, 0x21, 0x30, 0x4b, 0x06, 0xc2, 0x6c, 0xd2, 0x6d, 0x80, 0x18, 0xe5, 0x25, 0x70, 0x03, 0x30,
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diff --git a/drivers/staging/rt3070/md4.h b/drivers/staging/rt3070/md4.h
index a9cc7b0f3ee3..b3fb63726182 100644
--- a/drivers/staging/rt3070/md4.h
+++ b/drivers/staging/rt3070/md4.h
@@ -35,8 +35,8 @@ typedef	struct	_MD4_CTX_	{
 	u8	buffer[64];      /* input buffer */
 }	MD4_CTX;
 
-void MD4Init (MD4_CTX *);
-void MD4Update (MD4_CTX *, u8 *, UINT);
-void MD4Final (u8 [16], MD4_CTX *);
+void MD4Init(MD4_CTX *);
+void MD4Update(MD4_CTX *, u8 *, UINT);
+void MD4Final(u8 [16], MD4_CTX *);
 
-#endif //__MD4_H__
\ No newline at end of file
+#endif /*__MD4_H__*/
diff --git a/drivers/staging/rt3090/firmware.h b/drivers/staging/rt3090/firmware.h
deleted file mode 100644
index 17056e26795b..000000000000
--- a/drivers/staging/rt3090/firmware.h
+++ /dev/null
@@ -1,517 +0,0 @@
-/* AUTO GEN PLEASE DO NOT MODIFY IT */
-/* AUTO GEN PLEASE DO NOT MODIFY IT */
-
-
-u8 FirmwareImage_3090 [] = {
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-0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x13, 0xe3, 0x34, } ;
diff --git a/drivers/staging/rtl8187se/Kconfig b/drivers/staging/rtl8187se/Kconfig
index e24a6f7a0d85..155a78e07405 100644
--- a/drivers/staging/rtl8187se/Kconfig
+++ b/drivers/staging/rtl8187se/Kconfig
@@ -3,6 +3,7 @@ config R8187SE
 	depends on PCI && WLAN
 	select WIRELESS_EXT
 	select WEXT_PRIV
+	select EEPROM_93CX6
 	default N
 	---help---
 	  If built as a module, it will be called r8187se.ko.
diff --git a/drivers/staging/rtl8187se/Makefile b/drivers/staging/rtl8187se/Makefile
index b395acf5a38e..e6adf91cdd2c 100644
--- a/drivers/staging/rtl8187se/Makefile
+++ b/drivers/staging/rtl8187se/Makefile
@@ -18,7 +18,6 @@ EXTRA_CFLAGS += -DENABLE_LPS
 
 r8187se-objs :=			\
 		r8180_core.o		\
-		r8180_93cx6.o		\
 		r8180_wx.o		\
 		r8180_rtl8225z2.o	\
 		r8185b_init.o		\
diff --git a/drivers/staging/rtl8187se/TODO b/drivers/staging/rtl8187se/TODO
index a762e79873e9..704949a9da0d 100644
--- a/drivers/staging/rtl8187se/TODO
+++ b/drivers/staging/rtl8187se/TODO
@@ -5,7 +5,6 @@ TODO:
 - switch to use shared "librtl" instead of private ieee80211 stack
 - switch to use LIB80211
 - switch to use MAC80211
-- switch to use EEPROM_93CX6
 - use kernel coding style
 - checkpatch.pl fixes
 - sparse fixes
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211.h b/drivers/staging/rtl8187se/ieee80211/ieee80211.h
index 9086047c32d4..4cd95c3dc947 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211.h
@@ -29,6 +29,7 @@
 #include <linux/jiffies.h>
 #include <linux/timer.h>
 #include <linux/sched.h>
+#include <linux/semaphore.h>
 #include <linux/wireless.h>
 #include <linux/ieee80211.h>
 
@@ -161,10 +162,6 @@ do { if (ieee80211_debug_level & (level)) \
 #define IEEE80211_DEBUG(level, fmt, args...) do {} while (0)
 #endif	/* CONFIG_IEEE80211_DEBUG */
 
-#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
-#define MAC_ARG(x) ((u8 *)(x))[0], ((u8 *)(x))[1], ((u8 *)(x))[2], \
-		   ((u8 *)(x))[3], ((u8 *)(x))[4], ((u8 *)(x))[5]
-
 /*
  * To use the debug system;
  *
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c
index 172e8f3ae6c1..40f1b99faad2 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_ccmp.c
@@ -285,7 +285,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	if (!(keyidx & (1 << 5))) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "CCMP: received packet without ExtIV"
-			       " flag from " MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       " flag from %pM\n", hdr->addr2);
 		}
 		key->dot11RSNAStatsCCMPFormatErrors++;
 		return -2;
@@ -298,9 +298,9 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	}
 	if (!key->key_set) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "CCMP: received packet from " MAC_FMT
+			printk(KERN_DEBUG "CCMP: received packet from %pM"
 			       " with keyid=%d that does not have a configured"
-			       " key\n", MAC_ARG(hdr->addr2), keyidx);
+			       " key\n", hdr->addr2, keyidx);
 		}
 		return -3;
 	}
@@ -315,11 +315,9 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 
 	if (memcmp(pn, key->rx_pn, CCMP_PN_LEN) <= 0) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "CCMP: replay detected: STA=" MAC_FMT
-			       " previous PN %02x%02x%02x%02x%02x%02x "
-			       "received PN %02x%02x%02x%02x%02x%02x\n",
-			       MAC_ARG(hdr->addr2), MAC_ARG(key->rx_pn),
-			       MAC_ARG(pn));
+			printk(KERN_DEBUG "CCMP: replay detected: STA=%pM"
+			       " previous PN %pm received PN %pm\n",
+			       hdr->addr2, key->rx_pn, pn);
 		}
 		key->dot11RSNAStatsCCMPReplays++;
 		return -4;
@@ -347,7 +345,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	if (memcmp(mic, a, CCMP_MIC_LEN) != 0) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "CCMP: decrypt failed: STA="
-			       MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       "%pM\n", hdr->addr2);
 		}
 		key->dot11RSNAStatsCCMPDecryptErrors++;
 		return -5;
@@ -423,11 +421,10 @@ static char * ieee80211_ccmp_print_stats(char *p, void *priv)
 {
 	struct ieee80211_ccmp_data *ccmp = priv;
 	p += sprintf(p, "key[%d] alg=CCMP key_set=%d "
-		     "tx_pn=%02x%02x%02x%02x%02x%02x "
-		     "rx_pn=%02x%02x%02x%02x%02x%02x "
+		     "tx_pn=%pm rx_pn=%pm "
 		     "format_errors=%d replays=%d decrypt_errors=%d\n",
 		     ccmp->key_idx, ccmp->key_set,
-		     MAC_ARG(ccmp->tx_pn), MAC_ARG(ccmp->rx_pn),
+		     ccmp->tx_pn, ccmp->rx_pn,
 		     ccmp->dot11RSNAStatsCCMPFormatErrors,
 		     ccmp->dot11RSNAStatsCCMPReplays,
 		     ccmp->dot11RSNAStatsCCMPDecryptErrors);
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c
index e6d8385e1d88..a5254111d9a1 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_crypt_tkip.c
@@ -385,7 +385,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	if (!(keyidx & (1 << 5))) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "TKIP: received packet without ExtIV"
-			       " flag from " MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       " flag from %pM\n", hdr->addr2);
 		}
 		return -2;
 	}
@@ -397,9 +397,9 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	}
 	if (!tkey->key_set) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "TKIP: received packet from " MAC_FMT
+			printk(KERN_DEBUG "TKIP: received packet from %pM"
 			       " with keyid=%d that does not have a configured"
-			       " key\n", MAC_ARG(hdr->addr2), keyidx);
+			       " key\n", hdr->addr2, keyidx);
 		}
 		return -3;
 	}
@@ -410,9 +410,9 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	if (iv32 < tkey->rx_iv32 ||
 	    (iv32 == tkey->rx_iv32 && iv16 <= tkey->rx_iv16)) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "TKIP: replay detected: STA=" MAC_FMT
+			printk(KERN_DEBUG "TKIP: replay detected: STA=%pM"
 			       " previous TSC %08x%04x received TSC "
-			       "%08x%04x\n", MAC_ARG(hdr->addr2),
+			       "%08x%04x\n", hdr->addr2,
 			       tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
 		}
 		tkey->dot11RSNAStatsTKIPReplays++;
@@ -431,8 +431,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG ": TKIP: failed to decrypt "
-			       "received packet from " MAC_FMT "\n",
-			       MAC_ARG(hdr->addr2));
+			       "received packet from %pM\n",
+			       hdr->addr2);
 		}
 		return -7;
 	}
@@ -450,7 +450,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 		}
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "TKIP: ICV error detected: STA="
-			       MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       "%pM\n", hdr->addr2);
 		}
 		tkey->dot11RSNAStatsTKIPICVErrors++;
 		return -5;
@@ -604,8 +604,8 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
 		struct ieee80211_hdr_4addr *hdr;
 		hdr = (struct ieee80211_hdr_4addr *)skb->data;
 		printk(KERN_DEBUG "%s: Michael MIC verification failed for "
-		       "MSDU from " MAC_FMT " keyidx=%d\n",
-		       skb->dev ? skb->dev->name : "N/A", MAC_ARG(hdr->addr2),
+		       "MSDU from %pM keyidx=%d\n",
+		       skb->dev ? skb->dev->name : "N/A", hdr->addr2,
 		       keyidx);
 		if (skb->dev)
 			ieee80211_michael_mic_failure(skb->dev, hdr, keyidx);
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
index 9128c181bc7d..2b7080cc2c05 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_rx.c
@@ -311,8 +311,8 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
 	    strcmp(crypt->ops->name, "TKIP") == 0) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
-			       "received packet from " MAC_FMT "\n",
-			       ieee->dev->name, MAC_ARG(hdr->addr2));
+			       "received packet from %pM\n",
+			       ieee->dev->name, hdr->addr2);
 		}
 		return -1;
 	}
@@ -323,8 +323,8 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
 	atomic_dec(&crypt->refcnt);
 	if (res < 0) {
 		IEEE80211_DEBUG_DROP(
-			"decryption failed (SA=" MAC_FMT
-			") res=%d\n", MAC_ARG(hdr->addr2), res);
+			"decryption failed (SA=%pM"
+			") res=%d\n", hdr->addr2, res);
 		if (res == -2)
 			IEEE80211_DEBUG_DROP("Decryption failed ICV "
 					     "mismatch (key %d)\n",
@@ -356,8 +356,8 @@ ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *s
 	atomic_dec(&crypt->refcnt);
 	if (res < 0) {
 		printk(KERN_DEBUG "%s: MSDU decryption/MIC verification failed"
-		       " (SA=" MAC_FMT " keyidx=%d)\n",
-		       ieee->dev->name, MAC_ARG(hdr->addr2), keyidx);
+		       " (SA=%pM keyidx=%d)\n",
+		       ieee->dev->name, hdr->addr2, keyidx);
 		return -1;
 	}
 
@@ -550,8 +550,8 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 			 * frames silently instead of filling system log with
 			 * these reports. */
 			IEEE80211_DEBUG_DROP("Decryption failed (not set)"
-					     " (SA=" MAC_FMT ")\n",
-					     MAC_ARG(hdr->addr2));
+					     " (SA=%pM)\n",
+					     hdr->addr2);
 			ieee->ieee_stats.rx_discards_undecryptable++;
 			goto rx_dropped;
 		}
@@ -709,8 +709,8 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 		} else {
 			IEEE80211_DEBUG_DROP(
 				"encryption configured, but RX "
-				"frame not encrypted (SA=" MAC_FMT ")\n",
-				MAC_ARG(hdr->addr2));
+				"frame not encrypted (SA=%pM)\n",
+				hdr->addr2);
 			goto rx_dropped;
 		}
 	}
@@ -729,9 +729,9 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	    !ieee80211_is_eapol_frame(ieee, skb, hdrlen)) {
 		IEEE80211_DEBUG_DROP(
 			"dropped unencrypted RX data "
-			"frame from " MAC_FMT
+			"frame from %pM"
 			" (drop_unencrypted=1)\n",
-			MAC_ARG(hdr->addr2));
+			hdr->addr2);
 		goto rx_dropped;
 	}
 /*
@@ -1196,11 +1196,11 @@ inline int ieee80211_network_init(
 	}
 
 	if (network->mode == 0) {
-		IEEE80211_DEBUG_SCAN("Filtered out '%s (" MAC_FMT ")' "
+		IEEE80211_DEBUG_SCAN("Filtered out '%s (%pM)' "
 				     "network.\n",
 				     escape_essid(network->ssid,
 						  network->ssid_len),
-				     MAC_ARG(network->bssid));
+				     network->bssid);
 		return 1;
 	}
 
@@ -1341,9 +1341,9 @@ inline void ieee80211_process_probe_response(
 	memset(&network, 0, sizeof(struct ieee80211_network));
 
 	IEEE80211_DEBUG_SCAN(
-		"'%s' (" MAC_FMT "): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
+		"'%s' (%pM): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
 		escape_essid(info_element->data, info_element->len),
-		MAC_ARG(beacon->header.addr3),
+		beacon->header.addr3,
 		(beacon->capability & (1<<0xf)) ? '1' : '0',
 		(beacon->capability & (1<<0xe)) ? '1' : '0',
 		(beacon->capability & (1<<0xd)) ? '1' : '0',
@@ -1362,10 +1362,10 @@ inline void ieee80211_process_probe_response(
 		(beacon->capability & (1<<0x0)) ? '1' : '0');
 
 	if (ieee80211_network_init(ieee, beacon, &network, stats)) {
-		IEEE80211_DEBUG_SCAN("Dropped '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Dropped '%s' (%pM) via %s.\n",
 				     escape_essid(info_element->data,
 						  info_element->len),
-				     MAC_ARG(beacon->header.addr3),
+				     beacon->header.addr3,
 				     WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
 				     IEEE80211_STYPE_PROBE_RESP ?
 				     "PROBE RESPONSE" : "BEACON");
@@ -1464,11 +1464,11 @@ inline void ieee80211_process_probe_response(
 			/* If there are no more slots, expire the oldest */
 			list_del(&oldest->list);
 			target = oldest;
-			IEEE80211_DEBUG_SCAN("Expired '%s' (" MAC_FMT ") from "
+			IEEE80211_DEBUG_SCAN("Expired '%s' (%pM) from "
 					     "network list.\n",
 					     escape_essid(target->ssid,
 							  target->ssid_len),
-					     MAC_ARG(target->bssid));
+					     target->bssid);
 		} else {
 			/* Otherwise just pull from the free list */
 			target = list_entry(ieee->network_free_list.next,
@@ -1478,10 +1478,10 @@ inline void ieee80211_process_probe_response(
 
 
 #ifdef CONFIG_IEEE80211_DEBUG
-		IEEE80211_DEBUG_SCAN("Adding '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Adding '%s' (%pM) via %s.\n",
 				     escape_essid(network.ssid,
 						  network.ssid_len),
-				     MAC_ARG(network.bssid),
+				     network.bssid,
 				     WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
 				     IEEE80211_STYPE_PROBE_RESP ?
 				     "PROBE RESPONSE" : "BEACON");
@@ -1492,10 +1492,10 @@ inline void ieee80211_process_probe_response(
 		if(ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE)
 			ieee80211_softmac_new_net(ieee,&network);
 	} else {
-		IEEE80211_DEBUG_SCAN("Updating '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Updating '%s' (%pM) via %s.\n",
 				     escape_essid(target->ssid,
 						  target->ssid_len),
-				     MAC_ARG(target->bssid),
+				     target->bssid,
 				     WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
 				     IEEE80211_STYPE_PROBE_RESP ?
 				     "PROBE RESPONSE" : "BEACON");
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
index a2150670ef56..c2f472ee6eb6 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
@@ -1573,7 +1573,7 @@ ieee80211_rx_assoc_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
 		ieee80211_resp_to_assoc_rq(ieee, dest);
 	}
 
-	printk(KERN_INFO"New client associated: "MAC_FMT"\n", MAC_ARG(dest));
+	printk(KERN_INFO"New client associated: %pM\n", dest);
 }
 
 
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c
index f1d6cb452563..ad42bcdc9374 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac_wx.c
@@ -482,8 +482,7 @@ int ieee80211_wx_set_power(struct ieee80211_device *ieee,
 		(!ieee->enter_sleep_state) ||
 		(!ieee->ps_is_queue_empty)){
 
-		printk("ERROR. PS mode is tryied to be use but\
-driver missed a callback\n\n");
+		printk("ERROR. PS mode tried to be use but driver missed a callback\n\n");
 
 		return -1;
 	}
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c
index 69bd02164b0c..6cb31e1760ac 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_tx.c
@@ -198,8 +198,8 @@ int ieee80211_encrypt_fragment(
 		header = (struct ieee80211_hdr_4addr *)frag->data;
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
-			       "TX packet to " MAC_FMT "\n",
-			       ieee->dev->name, MAC_ARG(header->addr1));
+			       "TX packet to %pM\n",
+			       ieee->dev->name, header->addr1);
 		}
 		return -1;
 	}
@@ -407,7 +407,7 @@ int ieee80211_rtl_xmit(struct sk_buff *skb,
 			memcpy(&header.addr2, src, ETH_ALEN);
 			memcpy(&header.addr3, ieee->current_network.bssid, ETH_ALEN);
 		}
-	//	printk(KERN_WARNING "essid MAC address is "MAC_FMT, MAC_ARG(&header.addr1));
+	//	printk(KERN_WARNING "essid MAC address is %pM", &header.addr1);
 		header.frame_ctl = cpu_to_le16(fc);
 		//hdr_len = IEEE80211_3ADDR_LEN;
 
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c
index 6aad48fe2e18..bd5e77bf7162 100644
--- a/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8187se/ieee80211/ieee80211_wx.c
@@ -234,10 +234,10 @@ int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
 			else
 				IEEE80211_DEBUG_SCAN(
 					"Not showing network '%s ("
-					MAC_FMT ")' due to age (%lums).\n",
+					"%pM)' due to age (%lums).\n",
 					escape_essid(network->ssid,
 						     network->ssid_len),
-					MAC_ARG(network->bssid),
+					network->bssid,
 					(jiffies - network->last_scanned) / (HZ / 100));
 		}
 	}
@@ -694,7 +694,7 @@ int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
 #if 1
 	case IW_AUTH_WPA_ENABLED:
 		ieee->wpa_enabled = (data->value)?1:0;
-		//printk("enalbe wpa:%d\n", ieee->wpa_enabled);
+		//printk("enable wpa:%d\n", ieee->wpa_enabled);
 		break;
 
 #endif
diff --git a/drivers/staging/rtl8187se/r8180.h b/drivers/staging/rtl8187se/r8180.h
index ce828885b64f..d15bdf64efd0 100644
--- a/drivers/staging/rtl8187se/r8180.h
+++ b/drivers/staging/rtl8187se/r8180.h
@@ -366,7 +366,6 @@ typedef struct r8180_priv
 	short diversity;
 	u8 cs_treshold;
 	short rcr_csense;
-	short rf_chip;
 	u32 key0[4];
 	short (*rf_set_sens)(struct net_device *dev,short sens);
 	void (*rf_set_chan)(struct net_device *dev,short ch);
@@ -479,9 +478,6 @@ typedef struct r8180_priv
 	u8 retry_rts;
 	u16 rts;
 
-//add for RF power on power off by lizhaoming 080512
-	u8	 RegThreeWireMode; // See "Three wire mode" defined above, 2006.05.31, by rcnjko.
-
 //by amy for led
 	LED_STRATEGY_8185 LedStrategy;
 //by amy for led
diff --git a/drivers/staging/rtl8187se/r8180_93cx6.c b/drivers/staging/rtl8187se/r8180_93cx6.c
deleted file mode 100644
index 7e4711fb930c..000000000000
--- a/drivers/staging/rtl8187se/r8180_93cx6.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
-   This files contains card eeprom (93c46 or 93c56) programming routines,
-   memory is addressed by 16 bits words.
-
-   This is part of rtl8180 OpenSource driver.
-   Copyright (C) Andrea Merello 2004  <andreamrl@tiscali.it>
-   Released under the terms of GPL (General Public Licence)
-
-   Parts of this driver are based on the GPL part of the
-   official realtek driver.
-
-   Parts of this driver are based on the rtl8180 driver skeleton
-   from Patric Schenke & Andres Salomon.
-
-   Parts of this driver are based on the Intel Pro Wireless 2100 GPL driver.
-
-   We want to tanks the Authors of those projects and the Ndiswrapper
-   project Authors.
-*/
-
-#include "r8180_93cx6.h"
-
-void eprom_cs(struct net_device *dev, short bit)
-{
-	if(bit)
-		write_nic_byte(dev, EPROM_CMD,
-			       (1<<EPROM_CS_SHIFT) | \
-			       read_nic_byte(dev, EPROM_CMD)); //enable EPROM
-	else
-		write_nic_byte(dev, EPROM_CMD, read_nic_byte(dev, EPROM_CMD)\
-			       &~(1<<EPROM_CS_SHIFT)); //disable EPROM
-
-	force_pci_posting(dev);
-	udelay(EPROM_DELAY);
-}
-
-
-void eprom_ck_cycle(struct net_device *dev)
-{
-	write_nic_byte(dev, EPROM_CMD,
-		       (1<<EPROM_CK_SHIFT) | read_nic_byte(dev,EPROM_CMD));
-	force_pci_posting(dev);
-	udelay(EPROM_DELAY);
-	write_nic_byte(dev, EPROM_CMD,
-		       read_nic_byte(dev, EPROM_CMD) &~ (1<<EPROM_CK_SHIFT));
-	force_pci_posting(dev);
-	udelay(EPROM_DELAY);
-}
-
-
-void eprom_w(struct net_device *dev,short bit)
-{
-	if(bit)
-		write_nic_byte(dev, EPROM_CMD, (1<<EPROM_W_SHIFT) | \
-			       read_nic_byte(dev,EPROM_CMD));
-	else
-		write_nic_byte(dev, EPROM_CMD, read_nic_byte(dev,EPROM_CMD)\
-			       &~(1<<EPROM_W_SHIFT));
-
-	force_pci_posting(dev);
-	udelay(EPROM_DELAY);
-}
-
-
-short eprom_r(struct net_device *dev)
-{
-	short bit;
-
-	bit=(read_nic_byte(dev, EPROM_CMD) & (1<<EPROM_R_SHIFT) );
-	udelay(EPROM_DELAY);
-
-	if(bit) return 1;
-	return 0;
-}
-
-
-void eprom_send_bits_string(struct net_device *dev, short b[], int len)
-{
-	int i;
-
-	for(i=0; i<len; i++){
-		eprom_w(dev, b[i]);
-		eprom_ck_cycle(dev);
-	}
-}
-
-
-u32 eprom_read(struct net_device *dev, u32 addr)
-{
-	struct r8180_priv *priv = ieee80211_priv(dev);
-	short read_cmd[]={1,1,0};
-	short addr_str[8];
-	int i;
-	int addr_len;
-	u32 ret;
-
-	ret=0;
-        //enable EPROM programming
-	write_nic_byte(dev, EPROM_CMD,
-		       (EPROM_CMD_PROGRAM<<EPROM_CMD_OPERATING_MODE_SHIFT));
-	force_pci_posting(dev);
-	udelay(EPROM_DELAY);
-
-	if (priv->epromtype==EPROM_93c56){
-		addr_str[7]=addr & 1;
-		addr_str[6]=addr & (1<<1);
-		addr_str[5]=addr & (1<<2);
-		addr_str[4]=addr & (1<<3);
-		addr_str[3]=addr & (1<<4);
-		addr_str[2]=addr & (1<<5);
-		addr_str[1]=addr & (1<<6);
-		addr_str[0]=addr & (1<<7);
-		addr_len=8;
-	}else{
-		addr_str[5]=addr & 1;
-		addr_str[4]=addr & (1<<1);
-		addr_str[3]=addr & (1<<2);
-		addr_str[2]=addr & (1<<3);
-		addr_str[1]=addr & (1<<4);
-		addr_str[0]=addr & (1<<5);
-		addr_len=6;
-	}
-	eprom_cs(dev, 1);
-	eprom_ck_cycle(dev);
-	eprom_send_bits_string(dev, read_cmd, 3);
-	eprom_send_bits_string(dev, addr_str, addr_len);
-
-	//keep chip pin D to low state while reading.
-	//I'm unsure if it is necessary, but anyway shouldn't hurt
-	eprom_w(dev, 0);
-
-	for(i=0;i<16;i++){
-		//eeprom needs a clk cycle between writing opcode&adr
-		//and reading data. (eeprom outs a dummy 0)
-		eprom_ck_cycle(dev);
-		ret |= (eprom_r(dev)<<(15-i));
-	}
-
-	eprom_cs(dev, 0);
-	eprom_ck_cycle(dev);
-
-	//disable EPROM programming
-	write_nic_byte(dev, EPROM_CMD,
-		       (EPROM_CMD_NORMAL<<EPROM_CMD_OPERATING_MODE_SHIFT));
-	return ret;
-}
diff --git a/drivers/staging/rtl8187se/r8180_93cx6.h b/drivers/staging/rtl8187se/r8180_93cx6.h
index 36ae100f3f16..79e7391ac881 100644
--- a/drivers/staging/rtl8187se/r8180_93cx6.h
+++ b/drivers/staging/rtl8187se/r8180_93cx6.h
@@ -45,13 +45,10 @@
 
 #define	EPROM_TXPW_OFDM_CH1_2 0x20
 
-//#define	EPROM_TXPW_CH1_2 0x10
-#define  EPROM_TXPW_CH1_2 0x30
-#define	EPROM_TXPW_CH3_4 0x11
-#define	EPROM_TXPW_CH5_6 0x12
-#define	EPROM_TXPW_CH7_8 0x13
-#define	EPROM_TXPW_CH9_10 0x14
-#define	EPROM_TXPW_CH11_12 0x15
-#define	EPROM_TXPW_CH13_14 0x16
-
-u32 eprom_read(struct net_device *dev,u32 addr); //reads a 16 bits word
+#define	EPROM_TXPW_CH1_2 0x30
+
+#define RTL818X_EEPROM_CMD_READ		(1 << 0)
+#define RTL818X_EEPROM_CMD_WRITE	(1 << 1)
+#define RTL818X_EEPROM_CMD_CK		(1 << 2)
+#define RTL818X_EEPROM_CMD_CS		(1 << 3)
+
diff --git a/drivers/staging/rtl8187se/r8180_core.c b/drivers/staging/rtl8187se/r8180_core.c
index 1847f38b9f22..b1757acabedc 100644
--- a/drivers/staging/rtl8187se/r8180_core.c
+++ b/drivers/staging/rtl8187se/r8180_core.c
@@ -31,6 +31,7 @@
 #undef DUMMY_RX
 
 #include <linux/syscalls.h>
+#include <linux/eeprom_93cx6.h>
 
 #include "r8180_hw.h"
 #include "r8180.h"
@@ -41,13 +42,6 @@
 
 #include "ieee80211/dot11d.h"
 
-#ifndef PCI_VENDOR_ID_BELKIN
-	#define PCI_VENDOR_ID_BELKIN 0x1799
-#endif
-#ifndef PCI_VENDOR_ID_DLINK
-	#define PCI_VENDOR_ID_DLINK 0x1186
-#endif
-
 static struct pci_device_id rtl8180_pci_id_tbl[] __devinitdata = {
         {
                 .vendor = PCI_VENDOR_ID_REALTEK,
@@ -669,11 +663,8 @@ unsigned char STRENGTH_MAP[] = {
 
 void rtl8180_RSSI_calc(struct net_device *dev, u8 *rssi, u8 *qual)
 {
-	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 	u32 temp;
 	u32 temp2;
-	u32 temp3;
-	u32 lsb;
 	u32 q;
 	u32 orig_qual;
 	u8  _rssi;
@@ -695,88 +686,6 @@ void rtl8180_RSSI_calc(struct net_device *dev, u8 *rssi, u8 *qual)
 	*qual = temp;
 	temp2 = *rssi;
 
-	switch(priv->rf_chip){
-	case RFCHIPID_RFMD:
-		lsb = temp2 & 1;
-		temp2 &= 0x7e;
-		if ( !lsb || !(temp2 <= 0x3c) ) {
-			temp2 = 0x64;
-		} else {
-			temp2 = 100 * temp2 / 0x3c;
-		}
-		*rssi = temp2 & 0xff;
-		_rssi = temp2 & 0xff;
-		break;
-	case RFCHIPID_INTERSIL:
-		lsb = temp2;
-		temp2 &= 0xfffffffe;
-		temp2 *= 251;
-		temp3 = temp2;
-		temp2 <<= 6;
-		temp3 += temp2;
-		temp3 <<= 1;
-		temp2 = 0x4950df;
-		temp2 -= temp3;
-		lsb &= 1;
-		if ( temp2 <= 0x3e0000 ) {
-			if ( temp2 < 0xffef0000 )
-				temp2 = 0xffef0000;
-		} else {
-			temp2 = 0x3e0000;
-		}
-		if ( !lsb ) {
-			temp2 -= 0xf0000;
-		} else {
-			temp2 += 0xf0000;
-		}
-
-		temp3 = 0x4d0000;
-		temp3 -= temp2;
-		temp3 *= 100;
-		temp3 = temp3 / 0x6d;
-		temp3 >>= 0x10;
-		_rssi = temp3 & 0xff;
-		*rssi = temp3 & 0xff;
-		break;
-	case RFCHIPID_GCT:
-	        lsb = temp2 & 1;
-		temp2 &= 0x7e;
-		if ( ! lsb || !(temp2 <= 0x3c) ){
-			temp2 = 0x64;
-		} else {
-			temp2 = (100 * temp2) / 0x3c;
-		}
-		*rssi = temp2 & 0xff;
-		_rssi = temp2 & 0xff;
-		break;
-	case RFCHIPID_PHILIPS:
-		if( orig_qual <= 0x4e ){
-			_rssi = STRENGTH_MAP[orig_qual];
-			*rssi = _rssi;
-		} else {
-			orig_qual -= 0x80;
-			if ( !orig_qual ){
-				_rssi = 1;
-				*rssi = 1;
-			} else {
-				_rssi = 0x32;
-				*rssi = 0x32;
-			}
-		}
-		break;
-	case RFCHIPID_MAXIM:
-		lsb = temp2 & 1;
-		temp2 &= 0x7e;
-		temp2 >>= 1;
-		temp2 += 0x42;
-		if( lsb != 0 ){
-			temp2 += 0xa;
-		}
-		*rssi = temp2 & 0xff;
-		_rssi = temp2 & 0xff;
-		break;
-	}
-
 	if ( _rssi < 0x64 ){
 		if ( _rssi == 0 ) {
 			*rssi = 1;
@@ -1421,11 +1330,9 @@ u16 N_DBPSOfRate(u16 DataRate)
 	return N_DBPS;
 }
 
-//{by amy 080312
 //
 //	Description:
 // 	For Netgear case, they want good-looking singal strength.
-//		2004.12.05, by rcnjko.
 //
 long NetgearSignalStrengthTranslate(long LastSS, long CurrSS)
 {
@@ -1481,7 +1388,6 @@ long TranslateToDbm8185(u8 SignalStrengthIndex)
 //		This is different with PerformSignalSmoothing8185 in smoothing fomula.
 //		No dramatic adjustion is apply because dynamic mechanism need some degree
 //		of correctness. Ported from 8187B.
-//	2007-02-26, by Bruce.
 //
 void PerformUndecoratedSignalSmoothing8185(struct r8180_priv *priv,
 					   bool bCckRate)
@@ -1502,7 +1408,6 @@ void PerformUndecoratedSignalSmoothing8185(struct r8180_priv *priv,
 		priv->CurCCKRSSI = 0;
 }
 
-//by amy 080312}
 
 /* This is rough RX isr handling routine*/
 void rtl8180_rx(struct net_device *dev)
@@ -1638,7 +1543,7 @@ void rtl8180_rx(struct net_device *dev)
 		}
 
 		signal=(unsigned char)(((*(priv->rxringtail+3))& (0x00ff0000))>>16);
-		signal=(signal&0xfe)>>1;	// Modify by hikaru 6.6
+		signal = (signal & 0xfe) >> 1;
 
 		quality=(unsigned char)((*(priv->rxringtail+3)) & (0xff));
 
@@ -1652,7 +1557,6 @@ void rtl8180_rx(struct net_device *dev)
 
 		stats.rate = rtl8180_rate2rate(rate);
 		Antenna = (((*(priv->rxringtail +3))& (0x00008000)) == 0 )? 0:1 ;
-//by amy for antenna
 		if(!rtl8180_IsWirelessBMode(stats.rate))
 		{ // OFDM rate.
 
@@ -1691,11 +1595,10 @@ void rtl8180_rx(struct net_device *dev)
 			RXAGC=(95-RXAGC)*100/65;
 		}
 		priv->SignalStrength = (u8)RXAGC;
-		priv->RecvSignalPower = RxAGC_dBm ;  // It can use directly by SD3 CMLin
+		priv->RecvSignalPower = RxAGC_dBm;
 		priv->RxPower = rxpower;
 		priv->RSSI = RSSI;
-//{by amy 080312
-		// SQ translation formular is provided by SD3 DZ. 2006.06.27, by rcnjko.
+		/* SQ translation formula is provided by SD3 DZ. 2006.06.27 */
 		if(quality >= 127)
 			quality = 1;//0; //0 will cause epc to show signal zero , walk aroud now;
 		else if(quality < 27)
@@ -1712,7 +1615,6 @@ void rtl8180_rx(struct net_device *dev)
 	//	printk("==========================>rx : RXAGC is %d,signalstrength is %d\n",RXAGC,stats.signalstrength);
 		stats.rssi = priv->wstats.qual.qual = priv->SignalQuality;
 		stats.noise = priv->wstats.qual.noise = 100 - priv ->wstats.qual.qual;
-//by amy 080312}
 		bHwError = (((*(priv->rxringtail))& (0x00000fff)) == 4080)| (((*(priv->rxringtail))& (0x04000000)) != 0 )
 			| (((*(priv->rxringtail))& (0x08000000)) != 0 )| (((~(*(priv->rxringtail)))& (0x10000000)) != 0 )| (((~(*(priv->rxringtail)))& (0x20000000)) != 0 );
 		bCRC = ((*(priv->rxringtail)) & (0x00002000)) >> 13;
@@ -1725,11 +1627,12 @@ void rtl8180_rx(struct net_device *dev)
 				(eqMacAddr(priv->ieee80211->current_network.bssid, (fc & IEEE80211_FCTL_TODS)? hdr->addr1 : (fc & IEEE80211_FCTL_FROMDS )? hdr->addr2 : hdr->addr3))
 				 && (!bHwError) && (!bCRC)&& (!bICV))
 			{
-//by amy 080312
-				// Perform signal smoothing for dynamic mechanism on demand.
-				// This is different with PerformSignalSmoothing8185 in smoothing fomula.
-				// No dramatic adjustion is apply because dynamic mechanism need some degree
-				// of correctness. 2007.01.23, by shien chang.
+				/* Perform signal smoothing for dynamic
+				 * mechanism on demand. This is different
+				 * with PerformSignalSmoothing8185 in smoothing
+				 * fomula. No dramatic adjustion is apply
+				 * because dynamic mechanism need some degree
+				 * of correctness. */
 				PerformUndecoratedSignalSmoothing8185(priv,bCckRate);
 				//
 				// For good-looking singal strength.
@@ -1749,12 +1652,9 @@ void rtl8180_rx(struct net_device *dev)
 
 		// Figure out which antenna that received the lasted packet.
 				priv->LastRxPktAntenna = Antenna ? 1 : 0; // 0: aux, 1: main.
-//by amy 080312
 			    SwAntennaDiversityRxOk8185(dev, priv->SignalStrength);
 			}
 
-//by amy for antenna
-#ifndef DUMMY_RX
 		if(first){
 			if(!priv->rx_skb_complete){
 				/* seems that HW sometimes fails to reiceve and
@@ -1810,19 +1710,12 @@ void rtl8180_rx(struct net_device *dev)
 		if(last && !priv->rx_skb_complete){
 			if(priv->rx_skb->len > 4)
 				skb_trim(priv->rx_skb,priv->rx_skb->len-4);
-#ifndef RX_DONT_PASS_UL
 			if(!ieee80211_rtl_rx(priv->ieee80211,
-					 priv->rx_skb, &stats)){
-#endif // RX_DONT_PASS_UL
-
+					 priv->rx_skb, &stats))
 				dev_kfree_skb_any(priv->rx_skb);
-#ifndef RX_DONT_PASS_UL
-			}
-#endif
 			priv->rx_skb_complete=1;
 		}
 
-#endif //DUMMY_RX
 		pci_dma_sync_single_for_device(priv->pdev,
 				    priv->rxbuffer->dma,
 				    priv->rxbuffersize * \
@@ -2056,7 +1949,7 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 	u16			RtsDur = 0;
 	u16			ThisFrameTime = 0;
 	u16			TxDescDuration = 0;
-	u8 			ownbit_flag = false; //added by david woo for sync Tx, 2007.12.14
+	u8 			ownbit_flag = false;
 
 	switch(priority) {
 	case MANAGE_PRIORITY:
@@ -2123,7 +2016,8 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 			//YJ,add,080828,for Keep alive
 			priv->NumTxUnicast++;
 
-			// Figure out ACK rate according to BSS basic rate and Tx rate, 2006.03.08 by rcnjko.
+			/* Figure out ACK rate according to BSS basic rate
+			 * and Tx rate. */
 			AckTime = ComputeTxTime(14, 10,0, 0);	// AckCTSLng = 14 use 1M bps send
 
 			if ( ((len + sCrcLng) > priv->rts) && priv->rts )
@@ -2206,7 +2100,7 @@ short rtl8180_tx(struct net_device *dev, u8* txbuf, int len, int priority,
 		*tail |= (1<<15); /* no encrypt */
 
 		if(remain==len && !descfrag) {
-			ownbit_flag = false;	//added by david woo,2007.12.14
+			ownbit_flag = false;
 			*tail = *tail| (1<<29) ; //fist segment of the packet
 			*tail = *tail |(len);
 		} else {
@@ -2556,27 +2450,16 @@ void watch_dog_adaptive(unsigned long data)
 	}
 
 	// Tx High Power Mechanism.
-#ifdef HIGH_POWER
 	if(CheckHighPower((struct net_device *)data))
-	{
 		queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->tx_pw_wq);
-	}
-#endif
 
 	// Tx Power Tracking on 87SE.
-#ifdef TX_TRACK
-	//if( priv->bTxPowerTrack )	//lzm mod 080826
-	if( CheckTxPwrTracking((struct net_device *)data));
+	if (CheckTxPwrTracking((struct net_device *)data))
 		TxPwrTracking87SE((struct net_device *)data);
-#endif
 
 	// Perform DIG immediately.
-#ifdef SW_DIG
 	if(CheckDig((struct net_device *)data) == true)
-	{
 		queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->hw_dig_wq);
-	}
-#endif
    	rtl8180_watch_dog((struct net_device *)data);
 
 	queue_work(priv->ieee80211->wq, (void *)&priv->ieee80211->GPIOChangeRFWorkItem);
@@ -2675,6 +2558,36 @@ static void rtl8180_link_detect_init(plink_detect_t plink_detect)
 }
 //YJ,add,080828,end
 
+static void rtl8187se_eeprom_register_read(struct eeprom_93cx6 *eeprom)
+{
+	struct net_device *dev = eeprom->data;
+	u8 reg = read_nic_byte(dev, EPROM_CMD);
+
+	eeprom->reg_data_in = reg & RTL818X_EEPROM_CMD_WRITE;
+	eeprom->reg_data_out = reg & RTL818X_EEPROM_CMD_READ;
+	eeprom->reg_data_clock = reg & RTL818X_EEPROM_CMD_CK;
+	eeprom->reg_chip_select = reg & RTL818X_EEPROM_CMD_CS;
+}
+
+static void rtl8187se_eeprom_register_write(struct eeprom_93cx6 *eeprom)
+{
+	struct net_device *dev = eeprom->data;
+	u8 reg = 2 << 6;
+
+	if (eeprom->reg_data_in)
+		reg |= RTL818X_EEPROM_CMD_WRITE;
+	if (eeprom->reg_data_out)
+		reg |= RTL818X_EEPROM_CMD_READ;
+	if (eeprom->reg_data_clock)
+		reg |= RTL818X_EEPROM_CMD_CK;
+	if (eeprom->reg_chip_select)
+		reg |= RTL818X_EEPROM_CMD_CS;
+
+	write_nic_byte(dev, EPROM_CMD, reg);
+	read_nic_byte(dev, EPROM_CMD);
+	udelay(10);
+}
+
 short rtl8180_init(struct net_device *dev)
 {
 	struct r8180_priv *priv = ieee80211_priv(dev);
@@ -2683,8 +2596,16 @@ short rtl8180_init(struct net_device *dev)
 	u32 usValue;
 	u16 tmpu16;
 	int i, j;
+	struct eeprom_93cx6 eeprom;
+	u16 eeprom_val;
+
+	eeprom.data = dev;
+	eeprom.register_read = rtl8187se_eeprom_register_read;
+	eeprom.register_write = rtl8187se_eeprom_register_write;
+	eeprom.width = PCI_EEPROM_WIDTH_93C46;
 
-	priv->channel_plan = eprom_read(dev, EEPROM_COUNTRY_CODE>>1) & 0xFF;
+	eeprom_93cx6_read(&eeprom, EEPROM_COUNTRY_CODE>>1, &eeprom_val);
+	priv->channel_plan = eeprom_val & 0xFF;
 	if(priv->channel_plan > COUNTRY_CODE_GLOBAL_DOMAIN){
 		printk("rtl8180_init:Error channel plan! Set to default.\n");
 		priv->channel_plan = 0;
@@ -2701,8 +2622,6 @@ short rtl8180_init(struct net_device *dev)
 	priv->txbeaconcount = 2;
 	priv->rx_skb_complete = 1;
 
-	priv->RegThreeWireMode = HW_THREE_WIRE_SI;
-
 	priv->RFChangeInProgress = false;
 	priv->SetRFPowerStateInProgress = false;
 	priv->RFProgType = 0;
@@ -2747,10 +2666,8 @@ short rtl8180_init(struct net_device *dev)
 	priv->TxPollingTimes = 0;//lzm add 080826
 	priv->bLeisurePs = true;
 	priv->dot11PowerSaveMode = eActive;
-//by amy for antenna
 	priv->AdMinCheckPeriod = 5;
 	priv->AdMaxCheckPeriod = 10;
-// Lower signal strength threshold to fit the HW participation in antenna diversity. +by amy 080312
 	priv->AdMaxRxSsThreshold = 30;//60->30
 	priv->AdRxSsThreshold = 20;//50->20
 	priv->AdCheckPeriod = priv->AdMinCheckPeriod;
@@ -2765,8 +2682,6 @@ short rtl8180_init(struct net_device *dev)
 	init_timer(&priv->SwAntennaDiversityTimer);
 	priv->SwAntennaDiversityTimer.data = (unsigned long)dev;
 	priv->SwAntennaDiversityTimer.function = (void *)SwAntennaDiversityTimerCallback;
-//by amy for antenna
-//{by amy 080312
 	priv->bDigMechanism = 1;
 	priv->InitialGain = 6;
 	priv->bXtalCalibration = false;
@@ -2803,58 +2718,63 @@ short rtl8180_init(struct net_device *dev)
 	priv->NumTxUnicast = 0;
 	priv->keepAliveLevel = DEFAULT_KEEP_ALIVE_LEVEL;
 	priv->PowerProfile = POWER_PROFILE_AC;
-    priv->CurrRetryCnt=0;
-    priv->LastRetryCnt=0;
-    priv->LastTxokCnt=0;
-    priv->LastRxokCnt=0;
-    priv->LastRetryRate=0;
-    priv->bTryuping=0;
-    priv->CurrTxRate=0;
-    priv->CurrRetryRate=0;
-    priv->TryupingCount=0;
-    priv->TryupingCountNoData=0;
-    priv->TryDownCountLowData=0;
-    priv->LastTxOKBytes=0;
-    priv->LastFailTxRate=0;
-    priv->LastFailTxRateSS=0;
-    priv->FailTxRateCount=0;
-    priv->LastTxThroughput=0;
-    priv->NumTxOkBytesTotal=0;
+	priv->CurrRetryCnt = 0;
+	priv->LastRetryCnt = 0;
+	priv->LastTxokCnt = 0;
+	priv->LastRxokCnt = 0;
+	priv->LastRetryRate = 0;
+	priv->bTryuping = 0;
+	priv->CurrTxRate = 0;
+	priv->CurrRetryRate = 0;
+	priv->TryupingCount = 0;
+	priv->TryupingCountNoData = 0;
+	priv->TryDownCountLowData = 0;
+	priv->LastTxOKBytes = 0;
+	priv->LastFailTxRate = 0;
+	priv->LastFailTxRateSS = 0;
+	priv->FailTxRateCount = 0;
+	priv->LastTxThroughput = 0;
+	priv->NumTxOkBytesTotal = 0;
 	priv->ForcedDataRate = 0;
 	priv->RegBModeGainStage = 1;
 
-	priv->promisc = (dev->flags & IFF_PROMISC) ? 1:0;
+	priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
 	spin_lock_init(&priv->irq_lock);
 	spin_lock_init(&priv->irq_th_lock);
 	spin_lock_init(&priv->tx_lock);
 	spin_lock_init(&priv->ps_lock);
 	spin_lock_init(&priv->rf_ps_lock);
-	sema_init(&priv->wx_sem,1);
-	sema_init(&priv->rf_state,1);
-	INIT_WORK(&priv->reset_wq,(void*) rtl8180_restart_wq);
-	INIT_WORK(&priv->tx_irq_wq,(void*) rtl8180_tx_irq_wq);
-	INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq,(void*) rtl8180_hw_wakeup_wq);
-	INIT_DELAYED_WORK(&priv->ieee80211->hw_sleep_wq,(void*) rtl8180_hw_sleep_wq);
-	INIT_WORK(&priv->ieee80211->wmm_param_update_wq,(void*) rtl8180_wmm_param_update);
-	INIT_DELAYED_WORK(&priv->ieee80211->rate_adapter_wq,(void*)rtl8180_rate_adapter);//+by amy 080312
-	INIT_DELAYED_WORK(&priv->ieee80211->hw_dig_wq,(void*)rtl8180_hw_dig_wq);//+by amy 080312
-	INIT_DELAYED_WORK(&priv->ieee80211->tx_pw_wq,(void*)rtl8180_tx_pw_wq);//+by amy 080312
-
-	INIT_DELAYED_WORK(&priv->ieee80211->GPIOChangeRFWorkItem,(void*) GPIOChangeRFWorkItemCallBack);
-
+	sema_init(&priv->wx_sem, 1);
+	sema_init(&priv->rf_state, 1);
+	INIT_WORK(&priv->reset_wq, (void *)rtl8180_restart_wq);
+	INIT_WORK(&priv->tx_irq_wq, (void *)rtl8180_tx_irq_wq);
+	INIT_DELAYED_WORK(&priv->ieee80211->hw_wakeup_wq,
+			  (void *)rtl8180_hw_wakeup_wq);
+	INIT_DELAYED_WORK(&priv->ieee80211->hw_sleep_wq,
+			  (void *)rtl8180_hw_sleep_wq);
+	INIT_WORK(&priv->ieee80211->wmm_param_update_wq,
+		  (void *)rtl8180_wmm_param_update);
+	INIT_DELAYED_WORK(&priv->ieee80211->rate_adapter_wq,
+			  (void *)rtl8180_rate_adapter);
+	INIT_DELAYED_WORK(&priv->ieee80211->hw_dig_wq,
+			 (void *)rtl8180_hw_dig_wq);
+	INIT_DELAYED_WORK(&priv->ieee80211->tx_pw_wq,
+			 (void *)rtl8180_tx_pw_wq);
+	INIT_DELAYED_WORK(&priv->ieee80211->GPIOChangeRFWorkItem,
+			 (void *) GPIOChangeRFWorkItemCallBack);
 	tasklet_init(&priv->irq_rx_tasklet,
 		     (void(*)(unsigned long)) rtl8180_irq_rx_tasklet,
 		     (unsigned long)priv);
 
-    init_timer(&priv->watch_dog_timer);
+	init_timer(&priv->watch_dog_timer);
 	priv->watch_dog_timer.data = (unsigned long)dev;
 	priv->watch_dog_timer.function = watch_dog_adaptive;
 
-    init_timer(&priv->rateadapter_timer);
-        priv->rateadapter_timer.data = (unsigned long)dev;
-        priv->rateadapter_timer.function = timer_rate_adaptive;
-		priv->RateAdaptivePeriod= RATE_ADAPTIVE_TIMER_PERIOD;
-		priv->bEnhanceTxPwr=false;
+	init_timer(&priv->rateadapter_timer);
+	priv->rateadapter_timer.data = (unsigned long)dev;
+	priv->rateadapter_timer.function = timer_rate_adaptive;
+	priv->RateAdaptivePeriod = RATE_ADAPTIVE_TIMER_PERIOD;
+	priv->bEnhanceTxPwr = false;
 
 	priv->ieee80211->softmac_hard_start_xmit = rtl8180_hard_start_xmit;
 	priv->ieee80211->set_chan = rtl8180_set_chan;
@@ -2877,30 +2797,28 @@ short rtl8180_init(struct net_device *dev)
 
 	priv->CSMethod = (0x01 << 29);
 
-	priv->TransmitConfig	=
-									1<<TCR_DurProcMode_OFFSET |		//for RTL8185B, duration setting by HW
-									(7<<TCR_MXDMA_OFFSET) |	// Max DMA Burst Size per Tx DMA Burst, 7: reservied.
-									(priv->ShortRetryLimit<<TCR_SRL_OFFSET) |	// Short retry limit
-									(priv->LongRetryLimit<<TCR_LRL_OFFSET) |	// Long retry limit
-									(0 ? TCR_SAT : 0);	// FALSE: HW provies PLCP length and LENGEXT, TURE: SW proiveds them
-
-	priv->ReceiveConfig	=
-								RCR_AMF | RCR_ADF |				//accept management/data
-								RCR_ACF |						//accept control frame for SW AP needs PS-poll, 2005.07.07, by rcnjko.
-								RCR_AB | RCR_AM | RCR_APM |		//accept BC/MC/UC
-								(7<<RCR_MXDMA_OFFSET) | // Max DMA Burst Size per Rx DMA Burst, 7: unlimited.
-								(priv->EarlyRxThreshold<<RCR_FIFO_OFFSET) | // Rx FIFO Threshold, 7: No Rx threshold.
-								(priv->EarlyRxThreshold == 7 ? RCR_ONLYERLPKT:0);
+	priv->TransmitConfig =	TCR_DurProcMode_OFFSET |
+				(7<<TCR_MXDMA_OFFSET) |
+				(priv->ShortRetryLimit<<TCR_SRL_OFFSET) |
+				(priv->LongRetryLimit<<TCR_LRL_OFFSET) |
+				(0 ? TCR_SAT : 0);
+
+	priv->ReceiveConfig =	RCR_AMF | RCR_ADF | RCR_ACF |
+				RCR_AB | RCR_AM | RCR_APM |
+				(7<<RCR_MXDMA_OFFSET) |
+				(priv->EarlyRxThreshold<<RCR_FIFO_OFFSET) |
+				(priv->EarlyRxThreshold == 7 ?
+					 RCR_ONLYERLPKT : 0);
 
 	priv->IntrMask		= IMR_TMGDOK | IMR_TBDER | IMR_THPDER |
-								IMR_THPDER | IMR_THPDOK |
-								IMR_TVODER | IMR_TVODOK |
-								IMR_TVIDER | IMR_TVIDOK |
-								IMR_TBEDER | IMR_TBEDOK |
-								IMR_TBKDER | IMR_TBKDOK |
-								IMR_RDU |						// To handle the defragmentation not enough Rx descriptors case. Annie, 2006-03-27.
-								IMR_RER | IMR_ROK |
-								IMR_RQoSOK; // <NOTE> ROK and RQoSOK are mutually exclusive, so, we must handle RQoSOK interrupt to receive QoS frames, 2005.12.09, by rcnjko.
+				  IMR_THPDER | IMR_THPDOK |
+				  IMR_TVODER | IMR_TVODOK |
+				  IMR_TVIDER | IMR_TVIDOK |
+				  IMR_TBEDER | IMR_TBEDOK |
+				  IMR_TBKDER | IMR_TBKDOK |
+				  IMR_RDU |
+				  IMR_RER | IMR_ROK |
+				  IMR_RQoSOK;
 
 	priv->InitialGain = 6;
 
@@ -2913,7 +2831,8 @@ short rtl8180_init(struct net_device *dev)
 	// just for sync 85
 	priv->enable_gpio0 = 0;
 
-	usValue = eprom_read(dev, EEPROM_SW_REVD_OFFSET);
+	eeprom_93cx6_read(&eeprom, EEPROM_SW_REVD_OFFSET, &eeprom_val);
+	usValue = eeprom_val;
 	DMESG("usValue is 0x%x\n",usValue);
 	//3Read AntennaDiversity
 
@@ -2953,54 +2872,46 @@ short rtl8180_init(struct net_device *dev)
 	else
 		priv->epromtype=EPROM_93c46;
 
-	dev->dev_addr[0]=eprom_read(dev,MAC_ADR) & 0xff;
-	dev->dev_addr[1]=(eprom_read(dev,MAC_ADR) & 0xff00)>>8;
-	dev->dev_addr[2]=eprom_read(dev,MAC_ADR+1) & 0xff;
-	dev->dev_addr[3]=(eprom_read(dev,MAC_ADR+1) & 0xff00)>>8;
-	dev->dev_addr[4]=eprom_read(dev,MAC_ADR+2) & 0xff;
-	dev->dev_addr[5]=(eprom_read(dev,MAC_ADR+2) & 0xff00)>>8;
+	eeprom_93cx6_multiread(&eeprom, 0x7, (__le16 *)
+			       dev->dev_addr, 3);
 
 	for(i=1,j=0; i<14; i+=2,j++){
-		word = eprom_read(dev,EPROM_TXPW_CH1_2 + j);
+		eeprom_93cx6_read(&eeprom, EPROM_TXPW_CH1_2 + j, &word);
 		priv->chtxpwr[i]=word & 0xff;
 		priv->chtxpwr[i+1]=(word & 0xff00)>>8;
 	}
 	for (i = 1, j = 0; i < 14; i += 2, j++) {
-		word = eprom_read(dev, EPROM_TXPW_OFDM_CH1_2 + j);
+		eeprom_93cx6_read(&eeprom, EPROM_TXPW_OFDM_CH1_2 + j, &word);
 		priv->chtxpwr_ofdm[i] = word & 0xff;
-		priv->chtxpwr_ofdm[i+1] = (word & 0xff00)>>8;
+		priv->chtxpwr_ofdm[i+1] = (word & 0xff00) >> 8;
 	}
 
-	//3Read crystal calibtration and thermal meter indication on 87SE.
-
-	// By SD3 SY's request. Added by Roger, 2007.12.11.
+	/* 3Read crystal calibtration and thermal meter indication on 87SE. */
+	eeprom_93cx6_read(&eeprom, EEPROM_RSV>>1, &tmpu16);
 
-	tmpu16 = eprom_read(dev, EEPROM_RSV>>1);
+	/* Crystal calibration for Xin and Xout resp. */
+	priv->XtalCal_Xout = tmpu16 & EEPROM_XTAL_CAL_XOUT_MASK;
+	priv->XtalCal_Xin = (tmpu16 & EEPROM_XTAL_CAL_XIN_MASK) >> 4;
+	if ((tmpu16 & EEPROM_XTAL_CAL_ENABLE) >> 12)
+		priv->bXtalCalibration = true;
 
-		// Crystal calibration for Xin and Xout resp.
-		priv->XtalCal_Xout = tmpu16 & EEPROM_XTAL_CAL_XOUT_MASK; // 0~7.5pF
-		priv->XtalCal_Xin = (tmpu16 & EEPROM_XTAL_CAL_XIN_MASK)>>4; // 0~7.5pF
-		if((tmpu16 & EEPROM_XTAL_CAL_ENABLE)>>12)
-			priv->bXtalCalibration = true;
+	/* Thermal meter reference indication. */
+	priv->ThermalMeter =  (u8)((tmpu16 & EEPROM_THERMAL_METER_MASK) >> 8);
+	if ((tmpu16 & EEPROM_THERMAL_METER_ENABLE) >> 13)
+		priv->bTxPowerTrack = true;
 
-		// Thermal meter reference indication.
-		priv->ThermalMeter =  (u8)((tmpu16 & EEPROM_THERMAL_METER_MASK)>>8);
-		if((tmpu16 & EEPROM_THERMAL_METER_ENABLE)>>13)
-			priv->bTxPowerTrack = true;
-
-	word = eprom_read(dev,EPROM_TXPW_BASE);
+	eeprom_93cx6_read(&eeprom, EPROM_TXPW_BASE, &word);
 	priv->cck_txpwr_base = word & 0xf;
 	priv->ofdm_txpwr_base = (word>>4) & 0xf;
 
-	version = eprom_read(dev,EPROM_VERSION);
+	eeprom_93cx6_read(&eeprom, EPROM_VERSION, &version);
 	DMESG("EEPROM version %x",version);
 	priv->rcr_csense = 3;
 
-	priv->cs_treshold = (eprom_read(dev, ENERGY_TRESHOLD) & 0xff00) >> 8;
-
-	priv->rf_chip = 0xff & eprom_read(dev, RFCHIPID);
+	eeprom_93cx6_read(&eeprom, ENERGY_TRESHOLD, &eeprom_val);
+	priv->cs_treshold = (eeprom_val & 0xff00) >> 8;
 
-	priv->rf_chip = RF_ZEBRA4;
+	eeprom_93cx6_read(&eeprom, RFCHIPID, &eeprom_val);
 	priv->rf_sleep = rtl8225z4_rf_sleep;
 	priv->rf_wakeup = rtl8225z4_rf_wakeup;
 	DMESGW("**PLEASE** REPORT SUCCESSFUL/UNSUCCESSFUL TO Realtek!");
@@ -3010,7 +2921,6 @@ short rtl8180_init(struct net_device *dev)
 	priv->rf_set_chan = rtl8225z2_rf_set_chan;
 	priv->rf_set_sens = NULL;
 
-
 	if (0!=alloc_rx_desc_ring(dev, priv->rxbuffersize, priv->rxringcount))
 		return -ENOMEM;
 
@@ -3042,11 +2952,7 @@ short rtl8180_init(struct net_device *dev)
 				  TX_BEACON_RING_ADDR))
 		return -ENOMEM;
 
-#if !defined(SA_SHIRQ)
         if(request_irq(dev->irq, (void *)rtl8180_interrupt, IRQF_SHARED, dev->name, dev)){
-#else
-        if(request_irq(dev->irq, (void *)rtl8180_interrupt, SA_SHIRQ, dev->name, dev)){
-#endif
                 DMESGE("Error allocating IRQ %d",dev->irq);
                 return -1;
 	}else{
@@ -3169,43 +3075,6 @@ void write_phy_cck (struct net_device *dev, u8 adr, u32 data)
 	rtl8185_write_phy(dev, adr, data | 0x10000);
 }
 
-/* 70*3 = 210 ms
- * I hope this is enougth
- */
-#define MAX_PHY 70
-void write_phy(struct net_device *dev, u8 adr, u8 data)
-{
-	u32 phy;
-	int i;
-
-	phy = 0xff0000;
-	phy |= adr;
-	phy |= 0x80; /* this should enable writing */
-	phy |= (data<<8);
-
-	//PHY_ADR, PHY_R and PHY_W  are contig and treated as one dword
-	write_nic_dword(dev,PHY_ADR, phy);
-
-	phy= 0xffff00;
-	phy |= adr;
-
-	write_nic_dword(dev,PHY_ADR, phy);
-	for(i=0;i<MAX_PHY;i++){
-		phy=read_nic_dword(dev,PHY_ADR);
-		phy= phy & 0xff0000;
-		phy= phy >> 16;
-		if(phy == data){ //SUCCESS!
-			force_pci_posting(dev);
-			mdelay(3); //random value
-			return;
-		}else{
-			force_pci_posting(dev);
-			mdelay(3); //random value
-		}
-	}
-	DMESGW ("Phy writing %x %x failed!", adr,data);
-}
-
 void rtl8185_set_rate(struct net_device *dev)
 {
 	int i;
@@ -3335,7 +3204,6 @@ static struct net_device_stats *rtl8180_stats(struct net_device *dev)
 }
 //
 // Change current and default preamble mode.
-// 2005.01.06, by rcnjko.
 //
 bool
 MgntActSet_802_11_PowerSaveMode(
@@ -3454,7 +3322,6 @@ void rtl8180_watch_dog(struct net_device *dev)
 	MgntLinkKeepAlive(priv);
 
 	//YJ,add,080828,for LPS
-#ifdef ENABLE_LPS
 	if (priv->PowerProfile == POWER_PROFILE_BATTERY)
 		priv->bLeisurePs = true;
 	else if (priv->PowerProfile == POWER_PROFILE_AC) {
@@ -3464,7 +3331,6 @@ void rtl8180_watch_dog(struct net_device *dev)
 
 	if(priv->ieee80211->state == IEEE80211_LINKED){
 		priv->link_detect.NumRxOkInPeriod = priv->ieee80211->NumRxDataInPeriod;
-		//printk("TxOk=%d RxOk=%d\n", priv->link_detect.NumTxOkInPeriod, priv->link_detect.NumRxOkInPeriod);
 		if(	priv->link_detect.NumRxOkInPeriod> 666 ||
 			priv->link_detect.NumTxOkInPeriod> 666 ) {
 			bBusyTraffic = true;
@@ -3481,7 +3347,6 @@ void rtl8180_watch_dog(struct net_device *dev)
 			LeisurePSLeave(priv);
 	} else
 		LeisurePSLeave(priv);
-#endif
 	priv->link_detect.bBusyTraffic = bBusyTraffic;
 	priv->link_detect.NumRxOkInPeriod = 0;
 	priv->link_detect.NumTxOkInPeriod = 0;
@@ -3503,16 +3368,11 @@ int _rtl8180_up(struct net_device *dev)
 		if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
 			IPSLeave(dev);
 	}
-#ifdef RATE_ADAPT
        timer_rate_adaptive((unsigned long)dev);
-#endif
 	watch_dog_adaptive((unsigned long)dev);
-#ifdef SW_ANTE
         if(priv->bSwAntennaDiverity)
 			SwAntennaDiversityTimerCallback(dev);
-#endif
 	ieee80211_softmac_start_protocol(priv->ieee80211);
-
 	return 0;
 }
 
@@ -3748,7 +3608,7 @@ static int __devinit rtl8180_pci_probe(struct pci_dev *pdev,
 	dev->wireless_handlers = &r8180_wx_handlers_def;
 
 	dev->type=ARPHRD_ETHER;
-	dev->watchdog_timeo = HZ*3; //added by david woo, 2007.12.13
+	dev->watchdog_timeo = HZ*3;
 
 	if (dev_alloc_name(dev, ifname) < 0){
                 DMESG("Oops: devname already taken! Trying wlan%%d...\n");
@@ -3864,8 +3724,7 @@ static int __init rtl8180_pci_module_init(void)
 		return ret;
 	}
 
-	printk(KERN_INFO "\nLinux kernel driver for RTL8180 \
-/ RTL8185 based WLAN cards\n");
+	printk(KERN_INFO "\nLinux kernel driver for RTL8180 / RTL8185 based WLAN cards\n");
 	printk(KERN_INFO "Copyright (c) 2004-2005, Andrea Merello\n");
 	DMESG("Initializing module");
 	DMESG("Wireless extensions version %d", WIRELESS_EXT);
@@ -4236,60 +4095,51 @@ void GPIOChangeRFWorkItemCallBack(struct work_struct *work)
         static char *envp[] = {"HOME=/", "TERM=linux", "PATH=/usr/bin:/bin", NULL};
 	static int readf_count = 0;
 
-#ifdef ENABLE_LPS
 	if(readf_count % 10 == 0)
 		priv->PowerProfile = read_acadapter_file("/proc/acpi/ac_adapter/AC0/state");
 
 	readf_count = (readf_count+1)%0xffff;
-#endif
-		{
-			// We should turn off LED before polling FF51[4].
+	/* We should turn off LED before polling FF51[4]. */
 
-			//Turn off LED.
-			btPSR = read_nic_byte(dev, PSR);
-			write_nic_byte(dev, PSR, (btPSR & ~BIT3));
+	/* Turn off LED. */
+	btPSR = read_nic_byte(dev, PSR);
+	write_nic_byte(dev, PSR, (btPSR & ~BIT3));
 
-			//It need to delay 4us suggested by Jong, 2008-01-16
-			udelay(4);
+	/* It need to delay 4us suggested by Jong, 2008-01-16 */
+	udelay(4);
 
-			//HW radio On/Off according to the value of FF51[4](config0)
-			btConfig0 = btPSR = read_nic_byte(dev, CONFIG0);
+	/* HW radio On/Off according to the value of FF51[4](config0) */
+	btConfig0 = btPSR = read_nic_byte(dev, CONFIG0);
 
-			//Turn on LED.
-			write_nic_byte(dev, PSR, btPSR| BIT3);
+	eRfPowerStateToSet = (btConfig0 & BIT4) ?  eRfOn : eRfOff;
 
-			eRfPowerStateToSet = (btConfig0 & BIT4) ?  eRfOn : eRfOff;
+	/* Turn LED back on when radio enabled */
+	if (eRfPowerStateToSet == eRfOn)
+		write_nic_byte(dev, PSR, btPSR | BIT3);
 
-			if((priv->ieee80211->bHwRadioOff == true) && (eRfPowerStateToSet == eRfOn))
-			{
-				priv->ieee80211->bHwRadioOff = false;
-				bActuallySet = true;
-			}
-			else if((priv->ieee80211->bHwRadioOff == false) && (eRfPowerStateToSet == eRfOff))
-			{
-				priv->ieee80211->bHwRadioOff = true;
-				bActuallySet = true;
-			}
+	if ((priv->ieee80211->bHwRadioOff == true) &&
+	   (eRfPowerStateToSet == eRfOn)) {
+		priv->ieee80211->bHwRadioOff = false;
+		bActuallySet = true;
+	} else if ((priv->ieee80211->bHwRadioOff == false) &&
+		  (eRfPowerStateToSet == eRfOff)) {
+		priv->ieee80211->bHwRadioOff = true;
+		bActuallySet = true;
+	}
 
-			if(bActuallySet)
-			{
-				MgntActSet_RF_State(dev, eRfPowerStateToSet, RF_CHANGE_BY_HW);
-
-				/* To update the UI status for Power status changed */
-                                if(priv->ieee80211->bHwRadioOff == true)
-                                        argv[1] = "RFOFF";
-                                else{
-                                        //if(!priv->RfOffReason)
-                                                argv[1] = "RFON";
-                                        //else
-                                        //      argv[1] = "RFOFF";
-                                }
-                                argv[0] = RadioPowerPath;
-                                argv[2] = NULL;
-
-                                call_usermodehelper(RadioPowerPath,argv,envp,1);
-			}
-		}
+	if (bActuallySet) {
+		MgntActSet_RF_State(dev, eRfPowerStateToSet, RF_CHANGE_BY_HW);
+
+		/* To update the UI status for Power status changed */
+		if (priv->ieee80211->bHwRadioOff == true)
+			argv[1] = "RFOFF";
+		else
+			argv[1] = "RFON";
+		argv[0] = RadioPowerPath;
+		argv[2] = NULL;
+
+		call_usermodehelper(RadioPowerPath, argv, envp, 1);
+	}
 }
 
 static u8 read_acadapter_file(char *filename)
diff --git a/drivers/staging/rtl8187se/r8180_dm.c b/drivers/staging/rtl8187se/r8180_dm.c
index cbca58db85e1..fc4907839c58 100644
--- a/drivers/staging/rtl8187se/r8180_dm.c
+++ b/drivers/staging/rtl8187se/r8180_dm.c
@@ -282,30 +282,13 @@ DIG_Zebra(
 //		Dispatch DIG implementation according to RF.
 //
 void
-DynamicInitGain(
-	struct net_device *dev
-	)
+DynamicInitGain(struct net_device *dev)
 {
-	struct r8180_priv *priv = ieee80211_priv(dev);
-
-	switch(priv->rf_chip)
-	{
-		case RF_ZEBRA2:  // [AnnieWorkaround] For Zebra2, 2005-08-01.
-		case RF_ZEBRA4:
-			DIG_Zebra( dev );
-			break;
-
-		default:
-			printk("DynamicInitGain(): unknown RFChipID(%d) !!!\n", priv->rf_chip);
-			break;
-	}
+	DIG_Zebra(dev);
 }
 
 void rtl8180_hw_dig_wq (struct work_struct *work)
 {
-//      struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq);
-//      struct ieee80211_device * ieee = (struct ieee80211_device*)
-//                                             container_of(work, struct ieee80211_device, watch_dog_wq);
 	struct delayed_work *dwork = to_delayed_work(work);
         struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_dig_wq);
         struct net_device *dev = ieee->dev;
@@ -1310,44 +1293,24 @@ SetAntenna8185(
 	switch(u1bAntennaIndex)
 	{
 	case 0:
-		switch(priv->rf_chip)
-		{
-		case RF_ZEBRA2:
-		case RF_ZEBRA4:
-			// Mac register, main antenna
-			write_nic_byte(dev, ANTSEL, 0x03);
-			//base band
-			write_phy_cck(dev,0x11, 0x9b); // Config CCK RX antenna.
-			write_phy_ofdm(dev, 0x0d, 0x5c); // Config OFDM RX antenna.
-
-
-			bAntennaSwitched = true;
-			break;
+		/* Mac register, main antenna */
+		write_nic_byte(dev, ANTSEL, 0x03);
+		/* base band */
+		write_phy_cck(dev, 0x11, 0x9b); /* Config CCK RX antenna. */
+		write_phy_ofdm(dev, 0x0d, 0x5c); /* Config OFDM RX antenna. */
 
-		default:
-			printk("SetAntenna8185: unknown RFChipID(%d)\n", priv->rf_chip);
-			break;
-		}
+		bAntennaSwitched = true;
 		break;
 
 	case 1:
-		switch(priv->rf_chip)
-		{
-		case RF_ZEBRA2:
-		case RF_ZEBRA4:
-			// Mac register, aux antenna
-			write_nic_byte(dev, ANTSEL, 0x00);
-			//base band
-			write_phy_cck(dev, 0x11, 0xbb); // Config CCK RX antenna.
-			write_phy_ofdm(dev, 0x0d, 0x54); // Config OFDM RX antenna.
-
-			bAntennaSwitched = true;
-			break;
+		/* Mac register, aux antenna */
+		write_nic_byte(dev, ANTSEL, 0x00);
+		/* base band */
+		write_phy_cck(dev, 0x11, 0xbb); /* Config CCK RX antenna. */
+		write_phy_ofdm(dev, 0x0d, 0x54); /* Config OFDM RX antenna. */
+
+		bAntennaSwitched = true;
 
-		default:
-			printk("SetAntenna8185: unknown RFChipID(%d)\n", priv->rf_chip);
-			break;
-		}
 		break;
 
 	default:
diff --git a/drivers/staging/rtl8187se/r8180_rtl8225z2.c b/drivers/staging/rtl8187se/r8180_rtl8225z2.c
index afe10f0b75a8..6edf5a46fa40 100644
--- a/drivers/staging/rtl8187se/r8180_rtl8225z2.c
+++ b/drivers/staging/rtl8187se/r8180_rtl8225z2.c
@@ -854,134 +854,48 @@ bool SetZebraRFPowerState8185(struct net_device *dev,
 	btConfig3 = read_nic_byte(dev, CONFIG3);
 	write_nic_byte(dev, CONFIG3, (btConfig3 | CONFIG3_PARM_En));
 
-	switch (priv->rf_chip) {
-	case RF_ZEBRA2:
-		switch (eRFPowerState) {
-		case eRfOn:
-			RF_WriteReg(dev,0x4,0x9FF);
+	switch (eRFPowerState) {
+	case eRfOn:
+		write_nic_word(dev, 0x37C, 0x00EC);
 
-			write_nic_dword(dev, ANAPARAM, ANAPARM_ON);
-			write_nic_dword(dev, ANAPARAM2, ANAPARM2_ON);
+		/* turn on AFE */
+		write_nic_byte(dev, 0x54, 0x00);
+		write_nic_byte(dev, 0x62, 0x00);
 
-			write_nic_byte(dev, CONFIG4, priv->RFProgType);
+		/* turn on RF */
+		RF_WriteReg(dev, 0x0, 0x009f); udelay(500);
+		RF_WriteReg(dev, 0x4, 0x0972); udelay(500);
 
-			/* turn on CCK and OFDM */
-			u1bTmp = read_nic_byte(dev, 0x24E);
-			write_nic_byte(dev, 0x24E, (u1bTmp & (~(BIT5 | BIT6))));
-			break;
-		case eRfSleep:
-			break;
-		case eRfOff:
-			break;
-		default:
-			bResult = false;
-			break;
-		}
-		break;
-	case RF_ZEBRA4:
-		switch (eRFPowerState) {
-		case eRfOn:
-			write_nic_word(dev, 0x37C, 0x00EC);
-
-			/* turn on AFE */
-			write_nic_byte(dev, 0x54, 0x00);
-			write_nic_byte(dev, 0x62, 0x00);
-
-			/* turn on RF */
-			RF_WriteReg(dev, 0x0, 0x009f); udelay(500);
-			RF_WriteReg(dev, 0x4, 0x0972); udelay(500);
-
-			/* turn on RF again */
-			RF_WriteReg(dev, 0x0, 0x009f); udelay(500);
-			RF_WriteReg(dev, 0x4, 0x0972); udelay(500);
+		/* turn on RF again */
+		RF_WriteReg(dev, 0x0, 0x009f); udelay(500);
+		RF_WriteReg(dev, 0x4, 0x0972); udelay(500);
 
-			/* turn on BB */
-			write_phy_ofdm(dev,0x10,0x40);
-			write_phy_ofdm(dev,0x12,0x40);
-
-			/* Avoid power down at init time. */
-			write_nic_byte(dev, CONFIG4, priv->RFProgType);
-
-			u1bTmp = read_nic_byte(dev, 0x24E);
-			write_nic_byte(dev, 0x24E, (u1bTmp & (~(BIT5 | BIT6))));
-			break;
-		case eRfSleep:
-			for (QueueID = 0, i = 0; QueueID < 6;) {
-				if (get_curr_tx_free_desc(dev, QueueID) == priv->txringcount) {
-					QueueID++;
-					continue;
-				} else {
-					priv->TxPollingTimes ++;
-					if (priv->TxPollingTimes >= LPS_MAX_SLEEP_WAITING_TIMES_87SE) {
-						bActionAllowed = false;
-						break;
-					} else
-						udelay(10);
-				}
-			}
+		/* turn on BB */
+		write_phy_ofdm(dev, 0x10, 0x40);
+		write_phy_ofdm(dev, 0x12, 0x40);
 
-			if (bActionAllowed) {
-				/* turn off BB RXIQ matrix to cut off rx signal */
-				write_phy_ofdm(dev, 0x10, 0x00);
-				write_phy_ofdm(dev, 0x12, 0x00);
-
-				/* turn off RF */
-				RF_WriteReg(dev, 0x4, 0x0000);
-				RF_WriteReg(dev, 0x0, 0x0000);
-
-				/* turn off AFE except PLL */
-				write_nic_byte(dev, 0x62, 0xff);
-				write_nic_byte(dev, 0x54, 0xec);
-
-				mdelay(1);
-
-				{
-					int i = 0;
-					while (true) {
-						u8 tmp24F = read_nic_byte(dev, 0x24f);
-
-						if ((tmp24F == 0x01) || (tmp24F == 0x09)) {
-							bTurnOffBB = true;
-							break;
-						} else {
-							udelay(10);
-							i++;
-							priv->TxPollingTimes++;
-
-							if (priv->TxPollingTimes >= LPS_MAX_SLEEP_WAITING_TIMES_87SE) {
-								bTurnOffBB = false;
-								break;
-							} else
-								udelay(10);
-						}
-					}
-				}
-
-				if (bTurnOffBB) {
-					/* turn off BB */
-					u1bTmp = read_nic_byte(dev, 0x24E);
-					write_nic_byte(dev, 0x24E, (u1bTmp | BIT5 | BIT6));
-
-					/* turn off AFE PLL */
-					write_nic_byte(dev, 0x54, 0xFC);
-					write_nic_word(dev, 0x37C, 0x00FC);
-				}
-			}
-			break;
-		case eRfOff:
-			for (QueueID = 0, i = 0; QueueID < 6;) {
-				if (get_curr_tx_free_desc(dev, QueueID) == priv->txringcount) {
-					QueueID++;
-					continue;
-				} else {
-					udelay(10);
-					i++;
-				}
+		/* Avoid power down at init time. */
+		write_nic_byte(dev, CONFIG4, priv->RFProgType);
 
-				if (i >= MAX_DOZE_WAITING_TIMES_85B)
+		u1bTmp = read_nic_byte(dev, 0x24E);
+		write_nic_byte(dev, 0x24E, (u1bTmp & (~(BIT5 | BIT6))));
+		break;
+	case eRfSleep:
+		for (QueueID = 0, i = 0; QueueID < 6;) {
+			if (get_curr_tx_free_desc(dev, QueueID) == priv->txringcount) {
+				QueueID++;
+				continue;
+			} else {
+				priv->TxPollingTimes++;
+				if (priv->TxPollingTimes >= LPS_MAX_SLEEP_WAITING_TIMES_87SE) {
+					bActionAllowed = false;
 					break;
+				} else
+					udelay(10);
 			}
+		}
 
+		if (bActionAllowed) {
 			/* turn off BB RXIQ matrix to cut off rx signal */
 			write_phy_ofdm(dev, 0x10, 0x00);
 			write_phy_ofdm(dev, 0x12, 0x00);
@@ -998,22 +912,23 @@ bool SetZebraRFPowerState8185(struct net_device *dev,
 
 			{
 				int i = 0;
-
-				while (true)
-				{
+				while (true) {
 					u8 tmp24F = read_nic_byte(dev, 0x24f);
 
 					if ((tmp24F == 0x01) || (tmp24F == 0x09)) {
 						bTurnOffBB = true;
 						break;
 					} else {
-						bTurnOffBB = false;
 						udelay(10);
 						i++;
-					}
+						priv->TxPollingTimes++;
 
-					if (i > MAX_POLLING_24F_TIMES_87SE)
-						break;
+						if (priv->TxPollingTimes >= LPS_MAX_SLEEP_WAITING_TIMES_87SE) {
+							bTurnOffBB = false;
+							break;
+						} else
+							udelay(10);
+					}
 				}
 			}
 
@@ -1022,15 +937,68 @@ bool SetZebraRFPowerState8185(struct net_device *dev,
 				u1bTmp = read_nic_byte(dev, 0x24E);
 				write_nic_byte(dev, 0x24E, (u1bTmp | BIT5 | BIT6));
 
-				/* turn off AFE PLL (80M) */
+				/* turn off AFE PLL */
 				write_nic_byte(dev, 0x54, 0xFC);
 				write_nic_word(dev, 0x37C, 0x00FC);
 			}
-			break;
-		default:
-			bResult = false;
-			printk("SetZebraRFPowerState8185(): unknown state to set: 0x%X!!!\n", eRFPowerState);
-			break;
+		}
+		break;
+	case eRfOff:
+		for (QueueID = 0, i = 0; QueueID < 6;) {
+			if (get_curr_tx_free_desc(dev, QueueID) == priv->txringcount) {
+				QueueID++;
+				continue;
+			} else {
+				udelay(10);
+				i++;
+			}
+
+			if (i >= MAX_DOZE_WAITING_TIMES_85B)
+				break;
+		}
+
+		/* turn off BB RXIQ matrix to cut off rx signal */
+		write_phy_ofdm(dev, 0x10, 0x00);
+		write_phy_ofdm(dev, 0x12, 0x00);
+
+		/* turn off RF */
+		RF_WriteReg(dev, 0x4, 0x0000);
+		RF_WriteReg(dev, 0x0, 0x0000);
+
+		/* turn off AFE except PLL */
+		write_nic_byte(dev, 0x62, 0xff);
+		write_nic_byte(dev, 0x54, 0xec);
+
+		mdelay(1);
+
+		{
+			int i = 0;
+
+			while (true) {
+				u8 tmp24F = read_nic_byte(dev, 0x24f);
+
+				if ((tmp24F == 0x01) || (tmp24F == 0x09)) {
+					bTurnOffBB = true;
+					break;
+				} else {
+					bTurnOffBB = false;
+					udelay(10);
+					i++;
+				}
+
+				if (i > MAX_POLLING_24F_TIMES_87SE)
+					break;
+			}
+		}
+
+		if (bTurnOffBB) {
+			/* turn off BB */
+			u1bTmp = read_nic_byte(dev, 0x24E);
+			write_nic_byte(dev, 0x24E, (u1bTmp | BIT5 | BIT6));
+
+			/* turn off AFE PLL (80M) */
+			write_nic_byte(dev, 0x54, 0xFC);
+			write_nic_word(dev, 0x37C, 0x00FC);
 		}
 		break;
 	}
diff --git a/drivers/staging/rtl8187se/r8185b_init.c b/drivers/staging/rtl8187se/r8185b_init.c
index 50309f2da9c1..a0ece1fd64a5 100644
--- a/drivers/staging/rtl8187se/r8185b_init.c
+++ b/drivers/staging/rtl8187se/r8185b_init.c
@@ -238,100 +238,12 @@ PlatformIORead4Byte(
 	return data;
 }
 
-void
-SetOutputEnableOfRfPins(
-	struct net_device *dev
-	)
+void SetOutputEnableOfRfPins(struct net_device *dev)
 {
-	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
-
-	switch(priv->rf_chip)
-	{
-	case RFCHIPID_RTL8225:
-	case RF_ZEBRA2:
-	case RF_ZEBRA4:
-		write_nic_word(dev, RFPinsEnable, 0x1bff);
-		//write_nic_word(dev, RFPinsEnable, 0x1fff);
-		break;
-	}
+	write_nic_word(dev, RFPinsEnable, 0x1bff);
 }
 
-void
-ZEBRA_RFSerialWrite(
-	struct net_device *dev,
-	u32			data2Write,
-	u8			totalLength,
-	u8			low2high
-	)
-{
-	ThreeWireReg		twreg;
-	int 				i;
-	u16				oval,oval2,oval3;
-	u32				mask;
-	u16				UshortBuffer;
-
-	u8			u1bTmp;
-	// RTL8187S HSSI Read/Write Function
-	u1bTmp = read_nic_byte(dev, RF_SW_CONFIG);
-	u1bTmp |=   RF_SW_CFG_SI;   //reg08[1]=1 Serial Interface(SI)
-	write_nic_byte(dev, RF_SW_CONFIG, u1bTmp);
-	UshortBuffer = read_nic_word(dev, RFPinsOutput);
-	oval = UshortBuffer & 0xfff8; // We shall clear bit0, 1, 2 first, 2005.10.28, by rcnjko.
-
-	oval2 = read_nic_word(dev, RFPinsEnable);
-	oval3 = read_nic_word(dev, RFPinsSelect);
-
-	// <RJ_NOTE> 3-wire should be controled by HW when we finish SW 3-wire programming. 2005.08.10, by rcnjko.
-	oval3 &= 0xfff8;
-
-	write_nic_word(dev, RFPinsEnable, (oval2|0x0007)); // Set To Output Enable
-	write_nic_word(dev, RFPinsSelect, (oval3|0x0007)); // Set To SW Switch
-	udelay(10);
-
-	// Add this to avoid hardware and software 3-wire conflict.
-	// 2005.03.01, by rcnjko.
-	twreg.longData = 0;
-	twreg.struc.enableB = 1;
-	write_nic_word(dev, RFPinsOutput, (twreg.longData|oval)); // Set SI_EN (RFLE)
-	udelay(2);
-	twreg.struc.enableB = 0;
-	write_nic_word(dev, RFPinsOutput, (twreg.longData|oval)); // Clear SI_EN (RFLE)
-	udelay(10);
-
-	mask = (low2high)?0x01:((u32)0x01<<(totalLength-1));
-
-	for(i=0; i<totalLength/2; i++)
-	{
-		twreg.struc.data = ((data2Write&mask)!=0) ? 1 : 0;
-		write_nic_word(dev, RFPinsOutput, (twreg.longData|oval));
-		twreg.struc.clk = 1;
-		write_nic_word(dev, RFPinsOutput, (twreg.longData|oval));
-		write_nic_word(dev, RFPinsOutput, (twreg.longData|oval));
-
-		mask = (low2high)?(mask<<1):(mask>>1);
-		twreg.struc.data = ((data2Write&mask)!=0) ? 1 : 0;
-		write_nic_word(dev, RFPinsOutput, (twreg.longData|oval));
-		write_nic_word(dev, RFPinsOutput, (twreg.longData|oval));
-		twreg.struc.clk = 0;
-		write_nic_word(dev, RFPinsOutput, (twreg.longData|oval));
-		mask = (low2high)?(mask<<1):(mask>>1);
-	}
-
-	twreg.struc.enableB = 1;
-	twreg.struc.clk = 0;
-	twreg.struc.data = 0;
-	write_nic_word(dev, RFPinsOutput, twreg.longData|oval);
-	udelay(10);
-
-	write_nic_word(dev, RFPinsOutput, oval|0x0004);
-	write_nic_word(dev, RFPinsSelect, oval3|0x0000);
-
-	SetOutputEnableOfRfPins(dev);
-}
-//by amy
-
-
-int
+static int
 HwHSSIThreeWire(
 	struct net_device *dev,
 	u8			*pDataBuf,
@@ -469,420 +381,30 @@ HwHSSIThreeWire(
 
 	return bResult;
 }
-//by amy
-
-int
-HwThreeWire(
-	struct net_device *dev,
-	u8			*pDataBuf,
-	u8			nDataBufBitCnt,
-	int			bHold,
-	int			bWrite
-	)
-{
-	int	bResult = 1;
-	u8	TryCnt;
-	u8	u1bTmp;
-
-	do
-	{
-		// Check if WE and RE are cleared.
-		for(TryCnt = 0; TryCnt < TC_3W_POLL_MAX_TRY_CNT; TryCnt++)
-		{
-			u1bTmp = read_nic_byte(dev, SW_3W_CMD1);
-			if( (u1bTmp & (SW_3W_CMD1_RE|SW_3W_CMD1_WE)) == 0 )
-			{
-				break;
-			}
-			udelay(10);
-		}
-		if (TryCnt == TC_3W_POLL_MAX_TRY_CNT)
-			panic("HwThreeWire(): CmdReg: %#X RE|WE bits are not clear!!\n", u1bTmp);
-
-		// Fill up data buffer for write operation.
-		if(nDataBufBitCnt == 16)
-		{
-			write_nic_word(dev, SW_3W_DB0, *((u16 *)pDataBuf));
-		}
-		else if(nDataBufBitCnt == 64)
-		{
-			write_nic_dword(dev, SW_3W_DB0, *((u32 *)pDataBuf));
-			write_nic_dword(dev, SW_3W_DB1, *((u32 *)(pDataBuf + 4)));
-		}
-		else
-		{
-			int idx;
-			int ByteCnt = nDataBufBitCnt / 8;
-
-			if ((nDataBufBitCnt % 8) != 0)
-				panic("HwThreeWire(): nDataBufBitCnt(%d) should be multiple of 8!!!\n",
-				nDataBufBitCnt);
-
-			if (nDataBufBitCnt > 64)
-				panic("HwThreeWire(): nDataBufBitCnt(%d) should <= 64!!!\n",
-				nDataBufBitCnt);
-
-			for(idx = 0; idx < ByteCnt; idx++)
-			{
-				write_nic_byte(dev, (SW_3W_DB0+idx), *(pDataBuf+idx));
-			}
-		}
-
-		// Fill up length field.
-		u1bTmp = (u8)(nDataBufBitCnt - 1); // Number of bits - 1.
-		if(bHold)
-			u1bTmp |= SW_3W_CMD0_HOLD;
-		write_nic_byte(dev, SW_3W_CMD0, u1bTmp);
-
-		// Set up command: WE or RE.
-		if(bWrite)
-		{
-			write_nic_byte(dev, SW_3W_CMD1, SW_3W_CMD1_WE);
-		}
-		else
-		{
-			write_nic_byte(dev, SW_3W_CMD1, SW_3W_CMD1_RE);
-		}
-
-		// Check if WE and RE are cleared and DONE is set.
-		for(TryCnt = 0; TryCnt < TC_3W_POLL_MAX_TRY_CNT; TryCnt++)
-		{
-			u1bTmp = read_nic_byte(dev, SW_3W_CMD1);
-			if( (u1bTmp & (SW_3W_CMD1_RE|SW_3W_CMD1_WE)) == 0 &&
-				(u1bTmp & SW_3W_CMD1_DONE) != 0 )
-			{
-				break;
-			}
-			udelay(10);
-		}
-		if(TryCnt == TC_3W_POLL_MAX_TRY_CNT)
-		{
-			//RT_ASSERT(TryCnt != TC_3W_POLL_MAX_TRY_CNT,
-			//	("HwThreeWire(): CmdReg: %#X RE|WE bits are not clear or DONE is not set!!\n", u1bTmp));
-			// Workaround suggested by wcchu: clear WE here. 2006.07.07, by rcnjko.
-			write_nic_byte(dev, SW_3W_CMD1, 0);
-		}
-
-		// Read back data for read operation.
-		// <RJ_TODO> I am not sure if this is correct output format of a read operation.
-		if(bWrite == 0)
-		{
-			if(nDataBufBitCnt == 16)
-			{
-				*((u16 *)pDataBuf) = read_nic_word(dev, SW_3W_DB0);
-			}
-			else if(nDataBufBitCnt == 64)
-			{
-				*((u32 *)pDataBuf) = read_nic_dword(dev, SW_3W_DB0);
-				*((u32 *)(pDataBuf + 4)) = read_nic_dword(dev, SW_3W_DB1);
-			}
-			else
-			{
-				int idx;
-				int ByteCnt = nDataBufBitCnt / 8;
-
-				if ((nDataBufBitCnt % 8) != 0)
-					panic("HwThreeWire(): nDataBufBitCnt(%d) should be multiple of 8!!!\n",
-					nDataBufBitCnt);
-
-				if (nDataBufBitCnt > 64)
-					panic("HwThreeWire(): nDataBufBitCnt(%d) should <= 64!!!\n",
-					nDataBufBitCnt);
-
-				for(idx = 0; idx < ByteCnt; idx++)
-				{
-					*(pDataBuf+idx) = read_nic_byte(dev, (SW_3W_DB0+idx));
-				}
-			}
-		}
-
-	}while(0);
-
-	return bResult;
-}
-
 
 void
-RF_WriteReg(
-	struct net_device *dev,
-	u8		offset,
-	u32		data
-	)
+RF_WriteReg(struct net_device *dev, u8 offset, u32 data)
 {
-	//RFReg			reg;
-	u32			data2Write;
-	u8			len;
-	u8			low2high;
-	//u32			RF_Read = 0;
-	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
-
-
-	switch(priv->rf_chip)
-	{
-	case RFCHIPID_RTL8225:
-	case RF_ZEBRA2:		// Annie 2006-05-12.
-	case RF_ZEBRA4:        //by amy
-		switch(priv->RegThreeWireMode)
-		{
-		case SW_THREE_WIRE:
-			{ // Perform SW 3-wire programming by driver.
-				data2Write = (data << 4) | (u32)(offset & 0x0f);
-				len = 16;
-				low2high = 0;
-				ZEBRA_RFSerialWrite(dev, data2Write, len, low2high);
-       			}
-			break;
+	u32 data2Write;
+	u8 len;
 
- 		case HW_THREE_WIRE:
-			{ // Pure HW 3-wire.
-				data2Write = (data << 4) | (u32)(offset & 0x0f);
-				len = 16;
-				HwThreeWire(
-					dev,
-					(u8 *)(&data2Write),	// pDataBuf,
-					len,				// nDataBufBitCnt,
-					0,					// bHold,
-					1);					// bWrite
-         		}
-			break;
-			case HW_THREE_WIRE_PI: //Parallel Interface
-			{ // Pure HW 3-wire.
-				data2Write = (data << 4) | (u32)(offset & 0x0f);
-				len = 16;
-					HwHSSIThreeWire(
-						dev,
-						(u8*)(&data2Write),	// pDataBuf,
-						len,						// nDataBufBitCnt,
-						0, 					// bSI
-						1); 					// bWrite
-
-                                //printk("33333\n");
-			}
-			break;
-
-			case HW_THREE_WIRE_SI: //Serial Interface
-			{ // Pure HW 3-wire.
-				data2Write = (data << 4) | (u32)(offset & 0x0f);
-				len = 16;
-//                                printk(" enter  ZEBRA_RFSerialWrite\n ");
-//                                low2high = 0;
-//                                ZEBRA_RFSerialWrite(dev, data2Write, len, low2high);
-
-				HwHSSIThreeWire(
-					dev,
-					(u8*)(&data2Write),	// pDataBuf,
-					len,						// nDataBufBitCnt,
-					1, 					// bSI
-					1); 					// bWrite
-
-//                                 printk(" exit ZEBRA_RFSerialWrite\n ");
-			}
-			break;
-
-
-		default:
-			DMESGE("RF_WriteReg(): invalid RegThreeWireMode(%d) !!!", priv->RegThreeWireMode);
-			break;
-		}
-		break;
-
-	default:
-		DMESGE("RF_WriteReg(): unknown RFChipID: %#X", priv->rf_chip);
-		break;
-	}
-}
-
-
-void
-ZEBRA_RFSerialRead(
-	struct net_device *dev,
-	u32		data2Write,
-	u8		wLength,
-	u32		*data2Read,
-	u8		rLength,
-	u8		low2high
-	)
-{
-	ThreeWireReg	twreg;
-	int				i;
-	u16			oval,oval2,oval3,tmp, wReg80;
-	u32			mask;
-	u8			u1bTmp;
-	ThreeWireReg	tdata;
-	//PHAL_DATA_8187	pHalData = GetHalData8187(pAdapter);
-	{ // RTL8187S HSSI Read/Write Function
-		u1bTmp = read_nic_byte(dev, RF_SW_CONFIG);
-		u1bTmp |=   RF_SW_CFG_SI;   //reg08[1]=1 Serial Interface(SI)
-		write_nic_byte(dev, RF_SW_CONFIG, u1bTmp);
-	}
-
-	wReg80 = oval = read_nic_word(dev, RFPinsOutput);
-	oval2 = read_nic_word(dev, RFPinsEnable);
-	oval3 = read_nic_word(dev, RFPinsSelect);
-
-	write_nic_word(dev, RFPinsEnable, oval2|0xf);
-	write_nic_word(dev, RFPinsSelect, oval3|0xf);
-
-	*data2Read = 0;
-
-	// We must clear BIT0-3 here, otherwise,
-	// SW_Enalbe will be true when we first call ZEBRA_RFSerialRead() after 8187MPVC open,
-	// which will cause the value read become 0. 2005.04.11, by rcnjko.
-	oval &= ~0xf;
-
-	// Avoid collision with hardware three-wire.
-	twreg.longData = 0;
-	twreg.struc.enableB = 1;
-	write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(4);
-
-	twreg.longData = 0;
-	twreg.struc.enableB = 0;
-	twreg.struc.clk = 0;
-	twreg.struc.read_write = 0;
-	write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(5);
-
-	mask = (low2high) ? 0x01 : ((u32)0x01<<(32-1));
-	for(i = 0; i < wLength/2; i++)
-	{
-		twreg.struc.data = ((data2Write&mask) != 0) ? 1 : 0;
-		write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(1);
-		twreg.struc.clk = 1;
-		write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(2);
-		write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(2);
-
-		mask = (low2high) ? (mask<<1): (mask>>1);
-
-		if(i == 2)
-		{
-			// Commented out by Jackie, 2004.08.26. <RJ_NOTE> We must comment out the following two lines for we cannot pull down VCOPDN during RF Serail Read.
-			//PlatformEFIOWrite2Byte(pAdapter, RFPinsEnable, 0xe);     // turn off data enable
-			//PlatformEFIOWrite2Byte(pAdapter, RFPinsSelect, 0xe);
-
-			twreg.struc.read_write=1;
-			write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(2);
-			twreg.struc.clk = 0;
-			write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(2);
-			break;
-		}
-		twreg.struc.data = ((data2Write&mask) != 0) ? 1: 0;
-		write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(2);
-		write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(2);
-
-		twreg.struc.clk = 0;
-		write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(1);
-
-		mask = (low2high) ? (mask<<1) : (mask>>1);
-	}
-
-	twreg.struc.clk = 0;
-	twreg.struc.data = 0;
-	write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(2);
-	mask = (low2high) ? 0x01 : ((u32)0x01 << (12-1));
-
-	//
-	// 061016, by rcnjko:
-	// We must set data pin to HW controled, otherwise RF can't driver it and
-	// value RF register won't be able to read back properly.
-	//
-	write_nic_word(dev, RFPinsEnable, ( ((oval2|0x0E) & (~0x01))) );
+	/* Pure HW 3-wire. */
+	data2Write = (data << 4) | (u32)(offset & 0x0f);
+	len = 16;
 
-	for(i = 0; i < rLength; i++)
-	{
-		write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(1);
-		twreg.struc.clk = 1;
-		write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(2);
-		write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(2);
-		write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(2);
-		tmp = read_nic_word(dev, RFPinsInput);
-		tdata.longData = tmp;
-		*data2Read |= tdata.struc.clk ? mask : 0;
-
-		twreg.struc.clk = 0;
-		write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(2);
-
-		mask = (low2high) ? (mask<<1) : (mask>>1);
-	}
-	twreg.struc.enableB = 1;
-	twreg.struc.clk = 0;
-	twreg.struc.data = 0;
-	twreg.struc.read_write = 1;
-	write_nic_word(dev, RFPinsOutput, twreg.longData|oval); udelay(2);
-
-	//PlatformEFIOWrite2Byte(pAdapter, RFPinsEnable, oval2|0x8);   // Set To Output Enable
-	write_nic_word(dev, RFPinsEnable, oval2);   // Set To Output Enable, <RJ_NOTE> We cannot enable BIT3 here, otherwise, we will failed to switch channel. 2005.04.12.
-	//PlatformEFIOWrite2Byte(pAdapter, RFPinsEnable, 0x1bff);
-	write_nic_word(dev, RFPinsSelect, oval3);   // Set To SW Switch
-	//PlatformEFIOWrite2Byte(pAdapter, RFPinsSelect, 0x0488);
-	write_nic_word(dev, RFPinsOutput, 0x3a0);
-	//PlatformEFIOWrite2Byte(pAdapter, RFPinsOutput, 0x0480);
+	HwHSSIThreeWire(dev, (u8 *)(&data2Write), len, 1, 1);
 }
 
-
-u32
-RF_ReadReg(
-	struct net_device *dev,
-	u8		offset
-	)
+u32 RF_ReadReg(struct net_device *dev, u8 offset)
 {
-	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
-	u32			data2Write;
-	u8			wlen;
-	u8			rlen;
-	u8			low2high;
-	u32			dataRead;
+	u32 data2Write;
+	u8 wlen;
+	u32 dataRead;
 
-	switch(priv->rf_chip)
-	{
-	case RFCHIPID_RTL8225:
-	case RF_ZEBRA2:
-	case RF_ZEBRA4:
-		switch(priv->RegThreeWireMode)
-		{
-			case HW_THREE_WIRE_PI: // For 87S  Parallel Interface.
-			{
-				data2Write = ((u32)(offset&0x0f));
-				wlen=16;
-				HwHSSIThreeWire(
-					dev,
-					(u8*)(&data2Write),	// pDataBuf,
-					wlen,					// nDataBufBitCnt,
-					0, 					// bSI
-					0); 					// bWrite
-				dataRead= data2Write;
-			}
-			break;
-
-			case HW_THREE_WIRE_SI: // For 87S Serial Interface.
-			{
-				data2Write = ((u32)(offset&0x0f)) ;
-				wlen=16;
-				HwHSSIThreeWire(
-					dev,
-					(u8*)(&data2Write),	// pDataBuf,
-					wlen,					// nDataBufBitCnt,
-					1, 					// bSI
-					0					// bWrite
-					);
-				dataRead= data2Write;
-			}
-			break;
-
-			// Perform SW 3-wire programming by driver.
-			default:
-			{
-				data2Write = ((u32)(offset&0x1f)) << 27; // For Zebra E-cut. 2005.04.11, by rcnjko.
-				wlen = 6;
-				rlen = 12;
-				low2high = 0;
-				ZEBRA_RFSerialRead(dev, data2Write, wlen,&dataRead,rlen, low2high);
-			}
-			break;
-		}
-		break;
-	default:
-		dataRead = 0;
-		break;
-	}
+	data2Write = ((u32)(offset & 0x0f));
+	wlen = 16;
+	HwHSSIThreeWire(dev, (u8 *)(&data2Write), wlen, 1, 0);
+	dataRead = data2Write;
 
 	return dataRead;
 }
@@ -1043,15 +565,12 @@ ZEBRA_Config_85BASIC_HardCode(
 
 	// Page0 : reg0-reg15
 
-//	RF_WriteReg(dev, 0x00, 0x003f);			mdelay(1);//1
 	RF_WriteReg(dev, 0x00, 0x009f);      	mdelay(1);// 1
 
 	RF_WriteReg(dev, 0x01, 0x06e0);			mdelay(1);
 
-//	RF_WriteReg(dev, 0x02, 0x004c);			mdelay(1);//2
 	RF_WriteReg(dev, 0x02, 0x004d);			mdelay(1);// 2
 
-//	RF_WriteReg(dev, 0x03, 0x0000);			mdelay(1);//3
 	RF_WriteReg(dev, 0x03, 0x07f1);			mdelay(1);// 3
 
 	RF_WriteReg(dev, 0x04, 0x0975);			mdelay(1);
@@ -1080,8 +599,6 @@ ZEBRA_Config_85BASIC_HardCode(
 
 	RF_WriteReg(dev, 0x07, 0x01A0);			mdelay(1);
 // Don't write RF23/RF24 to make a difference between 87S C cut and D cut. asked by SD3 stevenl.
-//	RF_WriteReg(dev, 0x08, 0x0597);			mdelay(1);
-//	RF_WriteReg(dev, 0x09, 0x050a);			mdelay(1);
 	RF_WriteReg(dev, 0x0a, 0x0001);			mdelay(1);
 	RF_WriteReg(dev, 0x0b, 0x0418);			mdelay(1);
 
@@ -1097,7 +614,6 @@ ZEBRA_Config_85BASIC_HardCode(
 
 	RF_WriteReg(dev, 0x0f, 0x0acc);			mdelay(1);
 
-//	RF_WriteReg(dev, 0x00, 0x017f);			mdelay(1);//6
 	RF_WriteReg(dev, 0x00, 0x01d7);			mdelay(1);// 6
 
 	RF_WriteReg(dev, 0x03, 0x0e00);			mdelay(1);
@@ -1106,20 +622,14 @@ ZEBRA_Config_85BASIC_HardCode(
 	{
 		RF_WriteReg(dev, 0x01, i);                     mdelay(1);
 		RF_WriteReg(dev, 0x02, ZEBRA_RF_RX_GAIN_TABLE[i]); mdelay(1);
-		//DbgPrint("RF - 0x%x = 0x%x", i, ZEBRA_RF_RX_GAIN_TABLE[i]);
 	}
 
 	RF_WriteReg(dev, 0x05, 0x0203);			mdelay(1); 	/// 203, 343
-	//RF_WriteReg(dev, 0x06, 0x0300);			mdelay(1);	// 400
 	RF_WriteReg(dev, 0x06, 0x0200);			mdelay(1);	// 400
 
 	RF_WriteReg(dev, 0x00, 0x0137);			mdelay(1);	// switch to reg16-reg30, and HSSI disable 137
 	mdelay(10); 	// Deay 10 ms. //0xfd
 
-//	RF_WriteReg(dev, 0x0c, 0x09be);			mdelay(1);	// 7
-	//RF_WriteReg(dev, 0x0c, 0x07be);			mdelay(1);
-	//mdelay(10); 	// Deay 10 ms. //0xfd
-
 	RF_WriteReg(dev, 0x0d, 0x0008);			mdelay(1);	// Z4 synthesizer loop filter setting, 392
 	mdelay(10); 	// Deay 10 ms. //0xfd
 
@@ -1165,10 +675,8 @@ ZEBRA_Config_85BASIC_HardCode(
 		RF_WriteReg(dev, 0x0f, 0x0acc);			mdelay(1);
 	}
 //by amy 080312
-//	RF_WriteReg(dev, 0x0f, 0x0acc);			mdelay(1);  //-by amy 080312
 
 	RF_WriteReg(dev, 0x00, 0x00bf);			mdelay(1); // switch to reg0-reg15, and HSSI enable
-//	RF_WriteReg(dev, 0x0d, 0x009f);			mdelay(1); // Rx BB start calibration, 00c//-edward
 	RF_WriteReg(dev, 0x0d, 0x08df);			mdelay(1); // Rx BB start calibration, 00c//+edward
 	RF_WriteReg(dev, 0x02, 0x004d);			mdelay(1); // temperature meter off
 	RF_WriteReg(dev, 0x04, 0x0975);			mdelay(1); // Rx mode
@@ -1217,13 +725,10 @@ ZEBRA_Config_85BASIC_HardCode(
 	// AGC.txt
 	//=============================================================================
 
-//	PlatformIOWrite4Byte( dev, PhyAddr, 0x00001280);	// Annie, 2006-05-05
 	write_phy_ofdm(dev, 0x00, 0x12);
-	//WriteBBPortUchar(dev, 0x00001280);
 
 	for (i=0; i<128; i++)
 	{
-		//DbgPrint("AGC - [%x+1] = 0x%x\n", i, ZEBRA_AGC[i+1]);
 
 		data = ZEBRA_AGC[i+1];
 		data = data << 8;
@@ -1239,7 +744,6 @@ ZEBRA_Config_85BASIC_HardCode(
 	}
 
 	PlatformIOWrite4Byte( dev, PhyAddr, 0x00001080);	// Annie, 2006-05-05
-	//WriteBBPortUchar(dev, 0x00001080);
 
 	//=============================================================================
 
@@ -1252,8 +756,6 @@ ZEBRA_Config_85BASIC_HardCode(
 		u4bRegOffset=i;
 		u4bRegValue=OFDM_CONFIG[i];
 
-		//DbgPrint("OFDM - 0x%x = 0x%x\n", u4bRegOffset, u4bRegValue);
-
 		WriteBBPortUchar(dev,
 						(0x00000080 |
 						(u4bRegOffset & 0x7f) |
@@ -1277,9 +779,6 @@ UpdateInitialGain(
 	)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
-	//unsigned char* IGTable;
-	//u8			DIG_CurrentInitialGain = 4;
-	//unsigned char u1Tmp;
 
 	//lzm add 080826
 	if(priv->eRFPowerState != eRfOn)
@@ -1291,81 +790,59 @@ UpdateInitialGain(
 		return;
 	}
 
-	switch(priv->rf_chip)
-	{
-	case RF_ZEBRA4:
-		// Dynamic set initial gain, follow 87B
-		switch(priv->InitialGain)
-		{
-			case 1: //m861dBm
-				//DMESG("RTL8187 + 8225 Initial Gain State 1: -82 dBm \n");
-				write_phy_ofdm(dev, 0x17, 0x26);	mdelay(1);
-				write_phy_ofdm(dev, 0x24, 0x86);	mdelay(1);
-				write_phy_ofdm(dev, 0x05, 0xfa);	mdelay(1);
-				break;
-
-			case 2: //m862dBm
-				//DMESG("RTL8187 + 8225 Initial Gain State 2: -82 dBm \n");
-				write_phy_ofdm(dev, 0x17, 0x36);	mdelay(1);
-				write_phy_ofdm(dev, 0x24, 0x86);	mdelay(1);
-				write_phy_ofdm(dev, 0x05, 0xfa);	mdelay(1);
-				break;
-
-			case 3: //m863dBm
-				//DMESG("RTL8187 + 8225 Initial Gain State 3: -82 dBm \n");
-				write_phy_ofdm(dev, 0x17, 0x36);	mdelay(1);
-				write_phy_ofdm(dev, 0x24, 0x86);	mdelay(1);
-				write_phy_ofdm(dev, 0x05, 0xfb);	mdelay(1);
-				break;
-
-			case 4: //m864dBm
-				//DMESG("RTL8187 + 8225 Initial Gain State 4: -78 dBm \n");
-				write_phy_ofdm(dev, 0x17, 0x46);	mdelay(1);
-				write_phy_ofdm(dev, 0x24, 0x86);	mdelay(1);
-				write_phy_ofdm(dev, 0x05, 0xfb);	mdelay(1);
-				break;
+	switch (priv->InitialGain) {
+	case 1: /* m861dBm */
+		write_phy_ofdm(dev, 0x17, 0x26);	mdelay(1);
+		write_phy_ofdm(dev, 0x24, 0x86);	mdelay(1);
+		write_phy_ofdm(dev, 0x05, 0xfa);	mdelay(1);
+		break;
 
-			case 5: //m82dBm
-				//DMESG("RTL8187 + 8225 Initial Gain State 5: -74 dBm \n");
-				write_phy_ofdm(dev, 0x17, 0x46);	mdelay(1);
-				write_phy_ofdm(dev, 0x24, 0x96);	mdelay(1);
-				write_phy_ofdm(dev, 0x05, 0xfb);	mdelay(1);
-				break;
+	case 2: /* m862dBm */
+		write_phy_ofdm(dev, 0x17, 0x36);	mdelay(1);
+		write_phy_ofdm(dev, 0x24, 0x86);	mdelay(1);
+		write_phy_ofdm(dev, 0x05, 0xfa);	mdelay(1);
+		break;
 
-			case 6: //m78dBm
-				//DMESG ("RTL8187 + 8225 Initial Gain State 6: -70 dBm \n");
-				write_phy_ofdm(dev, 0x17, 0x56);	mdelay(1);
-				write_phy_ofdm(dev, 0x24, 0x96);	mdelay(1);
-				write_phy_ofdm(dev, 0x05, 0xfc);	mdelay(1);
-				break;
+	case 3: /* m863dBm */
+		write_phy_ofdm(dev, 0x17, 0x36);	mdelay(1);
+		write_phy_ofdm(dev, 0x24, 0x86);	mdelay(1);
+		write_phy_ofdm(dev, 0x05, 0xfb);	mdelay(1);
+		break;
 
-			case 7: //m74dBm
-				//DMESG("RTL8187 + 8225 Initial Gain State 7: -66 dBm \n");
-				write_phy_ofdm(dev, 0x17, 0x56);	mdelay(1);
-				write_phy_ofdm(dev, 0x24, 0xa6);	mdelay(1);
-				write_phy_ofdm(dev, 0x05, 0xfc);	mdelay(1);
-				break;
+	case 4: /* m864dBm */
+		write_phy_ofdm(dev, 0x17, 0x46);	mdelay(1);
+		write_phy_ofdm(dev, 0x24, 0x86);	mdelay(1);
+		write_phy_ofdm(dev, 0x05, 0xfb);	mdelay(1);
+		break;
 
-			case 8:
-				//DMESG("RTL8187 + 8225 Initial Gain State 8:\n");
-				write_phy_ofdm(dev, 0x17, 0x66);	mdelay(1);
-				write_phy_ofdm(dev, 0x24, 0xb6);	mdelay(1);
-				write_phy_ofdm(dev, 0x05, 0xfc);	mdelay(1);
-				break;
+	case 5: /* m82dBm */
+		write_phy_ofdm(dev, 0x17, 0x46);	mdelay(1);
+		write_phy_ofdm(dev, 0x24, 0x96);	mdelay(1);
+		write_phy_ofdm(dev, 0x05, 0xfb);	mdelay(1);
+		break;
 
+	case 6: /* m78dBm */
+		write_phy_ofdm(dev, 0x17, 0x56);	mdelay(1);
+		write_phy_ofdm(dev, 0x24, 0x96);	mdelay(1);
+		write_phy_ofdm(dev, 0x05, 0xfc);	mdelay(1);
+		break;
 
-			default:	//MP
-				//DMESG("RTL8187 + 8225 Initial Gain State 1: -82 dBm (default)\n");
-				write_phy_ofdm(dev, 0x17, 0x26);	mdelay(1);
-				write_phy_ofdm(dev, 0x24, 0x86);	mdelay(1);
-				write_phy_ofdm(dev, 0x05, 0xfa);	mdelay(1);
-				break;
-		}
+	case 7: /* m74dBm */
+		write_phy_ofdm(dev, 0x17, 0x56);	mdelay(1);
+		write_phy_ofdm(dev, 0x24, 0xa6);	mdelay(1);
+		write_phy_ofdm(dev, 0x05, 0xfc);	mdelay(1);
 		break;
 
+	case 8:
+		write_phy_ofdm(dev, 0x17, 0x66);	mdelay(1);
+		write_phy_ofdm(dev, 0x24, 0xb6);	mdelay(1);
+		write_phy_ofdm(dev, 0x05, 0xfc);	mdelay(1);
+		break;
 
-	default:
-		DMESG("UpdateInitialGain(): unknown RFChipID: %#X\n", priv->rf_chip);
+	default:	/* MP */
+		write_phy_ofdm(dev, 0x17, 0x26);	mdelay(1);
+		write_phy_ofdm(dev, 0x24, 0x86);	mdelay(1);
+		write_phy_ofdm(dev, 0x05, 0xfa);	mdelay(1);
 		break;
 	}
 }
@@ -1379,13 +856,11 @@ InitTxPwrTracking87SE(
 	struct net_device *dev
 )
 {
-	//struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 	u32	u4bRfReg;
 
 	u4bRfReg = RF_ReadReg(dev, 0x02);
 
 	// Enable Thermal meter indication.
-	//printk("InitTxPwrTracking87SE(): Enable thermal meter indication, Write RF[0x02] = %#x", u4bRfReg|PWR_METER_EN);
 	RF_WriteReg(dev, 0x02, u4bRfReg|PWR_METER_EN);			mdelay(1);
 }
 
@@ -1397,21 +872,14 @@ PhyConfig8185(
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
        write_nic_dword(dev, RCR, priv->ReceiveConfig);
 	   priv->RFProgType = read_nic_byte(dev, CONFIG4) & 0x03;
-     	// RF config
-	switch(priv->rf_chip)
-	{
-	case RF_ZEBRA2:
-	case RF_ZEBRA4:
-		ZEBRA_Config_85BASIC_HardCode( dev);
-		break;
-	}
+	/*  RF config */
+	ZEBRA_Config_85BASIC_HardCode(dev);
 //{by amy 080312
 	// Set default initial gain state to 4, approved by SD3 DZ, by Bruce, 2007-06-06.
 	if(priv->bDigMechanism)
 	{
 		if(priv->InitialGain == 0)
 			priv->InitialGain = 4;
-		//printk("PhyConfig8185(): DIG is enabled, set default initial gain index to %d\n", priv->InitialGain);
 	}
 
 	//
@@ -1429,34 +897,17 @@ PhyConfig8185(
 	return;
 }
 
-
-
-
 void
 HwConfigureRTL8185(
 		struct net_device *dev
 		)
 {
 	//RTL8185_TODO: Determine Retrylimit, TxAGC, AutoRateFallback control.
-//	u8		bUNIVERSAL_CONTROL_RL = 1;
         u8              bUNIVERSAL_CONTROL_RL = 0;
-
 	u8		bUNIVERSAL_CONTROL_AGC = 1;
 	u8		bUNIVERSAL_CONTROL_ANT = 1;
 	u8		bAUTO_RATE_FALLBACK_CTL = 1;
 	u8		val8;
-	//struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
-	//struct ieee80211_device *ieee = priv->ieee80211;
-      	//if(IS_WIRELESS_MODE_A(dev) || IS_WIRELESS_MODE_G(dev))
-//{by amy 080312	if((ieee->mode == IEEE_G)||(ieee->mode == IEEE_A))
-//	{
-//		write_nic_word(dev, BRSR, 0xffff);
-//	}
-//	else
-//	{
-//		write_nic_word(dev, BRSR, 0x000f);
-//	}
-//by amy 080312}
         write_nic_word(dev, BRSR, 0x0fff);
 	// Retry limit
 	val8 = read_nic_byte(dev, CW_CONF);
@@ -1507,20 +958,11 @@ HwConfigureRTL8185(
 		val8 |= RATE_FALLBACK_CTL_ENABLE | RATE_FALLBACK_CTL_AUTO_STEP1;
 
 		// <RJ_TODO_8185B> We shall set up the ARFR according to user's setting.
-		//write_nic_word(dev, ARFR, 0x0fff); // set 1M ~ 54M
-//by amy
-	        // Aadded by Roger, 2007.11.15.
 	        PlatformIOWrite2Byte(dev, ARFR, 0x0fff); //set 1M ~ 54Mbps.
-//by amy
-	}
-	else
-	{
 	}
 	write_nic_byte(dev, RATE_FALLBACK, val8);
 }
 
-
-
 static void
 MacConfig_85BASIC_HardCode(
 	struct net_device *dev)
@@ -1548,14 +990,11 @@ MacConfig_85BASIC_HardCode(
                 {
                     u4bRegOffset |= (u4bPageIndex << 8);
                 }
-                //DbgPrint("MAC - 0x%x = 0x%x\n", u4bRegOffset, u4bRegValue);
 		write_nic_byte(dev, u4bRegOffset, (u8)u4bRegValue);
 	}
 	//============================================================================
 }
 
-
-
 static void
 MacConfig_85BASIC(
 	struct net_device *dev)
@@ -1578,8 +1017,6 @@ MacConfig_85BASIC(
 	PlatformIOWrite1Byte(dev, 0x1F8, 0x00);
 
 	// Asked for by SD3 CM Lin, 2006.06.27, by rcnjko.
-	//PlatformIOWrite4Byte(dev, RFTiming, 0x00004001);
-//by amy
 	// power save parameter based on "87SE power save parameters 20071127.doc", as follow.
 
 	//Enable DA10 TX power saving
@@ -1598,35 +1035,18 @@ MacConfig_85BASIC(
 	write_nic_word(dev, 0x378, 0x0560);
 	write_nic_word(dev, 0x37A, 0x0560);
 	write_nic_word(dev, 0x37C, 0x00EC);
-//	write_nic_word(dev, 0x37E, 0x00FE);//-edward
 	write_nic_word(dev, 0x37E, 0x00EC);//+edward
        write_nic_byte(dev, 0x24E,0x01);
-//by amy
-
 }
 
-
-
-
 u8
 GetSupportedWirelessMode8185(
 	struct net_device *dev
 )
 {
 	u8			btSupportedWirelessMode = 0;
-	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
-
-	switch(priv->rf_chip)
-	{
-	case RF_ZEBRA2:
-	case RF_ZEBRA4:
-		btSupportedWirelessMode = (WIRELESS_MODE_B | WIRELESS_MODE_G);
-		break;
-	default:
-		btSupportedWirelessMode = WIRELESS_MODE_B;
-		break;
-	}
 
+	btSupportedWirelessMode = (WIRELESS_MODE_B | WIRELESS_MODE_G);
 	return btSupportedWirelessMode;
 }
 
@@ -1641,7 +1061,6 @@ ActUpdateChannelAccessSetting(
 	struct ieee80211_device *ieee = priv->ieee80211;
 	AC_CODING	eACI;
 	AC_PARAM	AcParam;
-	//PSTA_QOS	pStaQos = Adapter->MgntInfo.pStaQos;
 	u8	bFollowLegacySetting = 0;
 	u8   u1bAIFS;
 
@@ -1663,40 +1082,14 @@ ActUpdateChannelAccessSetting(
 	ChnlAccessSetting->CWmaxIndex = 7; // 2006.06.02, by rcnjko.
 
 	write_nic_byte(dev, SIFS, ChnlAccessSetting->SIFS_Timer);
-	//Adapter->HalFunc.SetHwRegHandler( Adapter, HW_VAR_SLOT_TIME, &ChnlAccessSetting->SlotTimeTimer );	// Rewrited from directly use PlatformEFIOWrite1Byte(), by Annie, 2006-03-29.
 	write_nic_byte(dev, SLOT, ChnlAccessSetting->SlotTimeTimer);	// Rewrited from directly use PlatformEFIOWrite1Byte(), by Annie, 2006-03-29.
 
 	u1bAIFS = aSifsTime + (2 * ChnlAccessSetting->SlotTimeTimer );
 
-	//write_nic_byte(dev, AC_VO_PARAM, u1bAIFS);
-	//write_nic_byte(dev, AC_VI_PARAM, u1bAIFS);
-	//write_nic_byte(dev, AC_BE_PARAM, u1bAIFS);
-	//write_nic_byte(dev, AC_BK_PARAM, u1bAIFS);
-
 	write_nic_byte(dev, EIFS, ChnlAccessSetting->EIFS_Timer);
 
 	write_nic_byte(dev, AckTimeOutReg, 0x5B); // <RJ_EXPR_QOS> Suggested by wcchu, it is the default value of EIFS register, 2005.12.08.
 
-#ifdef TODO
-	// <RJ_TODO_NOW_8185B> Update ECWmin/ECWmax, AIFS, TXOP Limit of each AC to the value defined by SPEC.
-	if( pStaQos->CurrentQosMode > QOS_DISABLE )
-	{ // QoS mode.
-		if(pStaQos->QBssWirelessMode == WirelessMode)
-		{
-			// Follow AC Parameters of the QBSS.
-			for(eACI = 0; eACI < AC_MAX; eACI++)
-			{
-				Adapter->HalFunc.SetHwRegHandler(Adapter, HW_VAR_AC_PARAM, (pu1Byte)(&(pStaQos->WMMParamEle.AcParam[eACI])) );
-			}
-		}
-		else
-		{
-			// Follow Default WMM AC Parameters.
-			bFollowLegacySetting = 1;
-		}
-	}
-	else
-#endif
 	{ // Legacy 802.11.
 		bFollowLegacySetting = 1;
 
@@ -1719,14 +1112,12 @@ ActUpdateChannelAccessSetting(
 		AcParam.f.TXOPLimit = 0;
 
 		//lzm reserved 080826
-#if 1
 		// For turbo mode setting. port from 87B by Isaiah 2008-08-01
 		if( ieee->current_network.Turbo_Enable == 1 )
 			AcParam.f.TXOPLimit = 0x01FF;
 		// For 87SE with Intel 4965  Ad-Hoc mode have poor throughput (19MB)
 		if (ieee->iw_mode == IW_MODE_ADHOC)
 			AcParam.f.TXOPLimit = 0x0020;
-#endif
 
 		for(eACI = 0; eACI < AC_MAX; eACI++)
 		{
@@ -1770,18 +1161,13 @@ ActUpdateChannelAccessSetting(
 
 				// Cehck ACM bit.
 				// If it is set, immediately set ACM control bit to downgrading AC for passing WMM testplan. Annie, 2005-12-13.
-				//write_nic_byte(dev, ACM_CONTROL, pAcParam->f.AciAifsn);
 				{
 					PACI_AIFSN	pAciAifsn = (PACI_AIFSN)(&pAcParam->f.AciAifsn);
 					AC_CODING	eACI = pAciAifsn->f.ACI;
 
 					//modified Joseph
 					//for 8187B AsynIORead issue
-#ifdef TODO
-					u8	AcmCtrl = pHalData->AcmControl;
-#else
 					u8	AcmCtrl = 0;
-#endif
 					if( pAciAifsn->f.ACM )
 					{ // ACM bit is 1.
 						switch(eACI)
@@ -1823,19 +1209,10 @@ ActUpdateChannelAccessSetting(
 								break;
 						}
 					}
-
-					//printk(KERN_WARNING "SetHwReg8185(): [HW_VAR_ACM_CTRL] Write 0x%X\n", AcmCtrl);
-
-#ifdef TO_DO
-					pHalData->AcmControl = AcmCtrl;
-#endif
-					//write_nic_byte(dev, ACM_CONTROL, AcmCtrl);
 					write_nic_byte(dev, ACM_CONTROL, 0);
 				}
 			}
 		}
-
-
 	}
 }
 
@@ -1847,7 +1224,6 @@ ActSetWirelessMode8185(
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 	struct ieee80211_device *ieee = priv->ieee80211;
-	//PMGNT_INFO		pMgntInfo = &(Adapter->MgntInfo);
 	u8	btSupportedWirelessMode = GetSupportedWirelessMode8185(dev);
 
 	if( (btWirelessMode & btSupportedWirelessMode) == 0 )
@@ -1880,24 +1256,11 @@ ActSetWirelessMode8185(
 		}
 	}
 
-
-	// 2. Swtich band: RF or BB specific actions,
-	// for example, refresh tables in omc8255, or change initial gain if necessary.
-	switch(priv->rf_chip)
-	{
-	case RF_ZEBRA2:
-	case RF_ZEBRA4:
-		{
-			// Nothing to do for Zebra to switch band.
-			// Update current wireless mode if we swtich to specified band successfully.
-			ieee->mode = (WIRELESS_MODE)btWirelessMode;
-		}
-		break;
-
-	default:
-		DMESGW("ActSetWirelessMode8185(): unsupported RF: 0x%X !!!\n", priv->rf_chip);
-		break;
-	}
+	/* 2. Swtich band: RF or BB specific actions,
+	 * for example, refresh tables in omc8255, or change initial gain if necessary.
+	 * Nothing to do for Zebra to switch band.
+	 * Update current wireless mode if we swtich to specified band successfully. */
+	ieee->mode = (WIRELESS_MODE)btWirelessMode;
 
 	// 3. Change related setting.
 	if( ieee->mode == WIRELESS_MODE_A ){
@@ -1909,7 +1272,6 @@ ActSetWirelessMode8185(
 	else if( ieee->mode == WIRELESS_MODE_G ){
 		DMESG("WIRELESS_MODE_G\n");
 	}
-
 	ActUpdateChannelAccessSetting( dev, ieee->mode, &priv->ChannelAccessSetting);
 }
 
@@ -1927,11 +1289,7 @@ DrvIFIndicateDisassociation(
 	u16			reason
 	)
 {
-	//printk("==> DrvIFIndicateDisassociation()\n");
-
 	// nothing is needed after disassociation request.
-
-	//printk("<== DrvIFIndicateDisassociation()\n");
 }
 void
 MgntDisconnectIBSS(
@@ -1941,11 +1299,7 @@ MgntDisconnectIBSS(
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 	u8			i;
 
-	//printk("XXXXXXXXXX MgntDisconnect IBSS\n");
-
 	DrvIFIndicateDisassociation(dev, unspec_reason);
-
-//	PlatformZeroMemory( pMgntInfo->Bssid, 6 );
 	for(i=0;i<6;i++)  priv->ieee80211->current_network.bssid[i] = 0x55;
 
 	priv->ieee80211->state = IEEE80211_NOLINK;
@@ -1957,16 +1311,10 @@ MgntDisconnectIBSS(
 	// Because Bcn DMA isn't complete, mgnt queue would stuck until Bcn packet send.
 
 	// Disable Beacon Queue Own bit, suggested by jong
-//	Adapter->HalFunc.SetTxDescOWNHandler(Adapter, BEACON_QUEUE, 0, 0);
 	ieee80211_stop_send_beacons(priv->ieee80211);
 
 	priv->ieee80211->link_change(dev);
 	notify_wx_assoc_event(priv->ieee80211);
-
-	// Stop SW Beacon.Use hw beacon so do not need to do so.by amy
-
-//		MgntIndicateMediaStatus( Adapter, RT_MEDIA_DISCONNECT, GENERAL_INDICATE );
-
 }
 void
 MlmeDisassociateRequest(
@@ -1986,14 +1334,8 @@ MlmeDisassociateRequest(
 		DrvIFIndicateDisassociation(dev, unspec_reason);
 
 
-	//	pMgntInfo->AsocTimestamp = 0;
 		for(i=0;i<6;i++)  priv->ieee80211->current_network.bssid[i] = 0x22;
-//		pMgntInfo->mBrates.Length = 0;
-//		Adapter->HalFunc.SetHwRegHandler( Adapter, HW_VAR_BASIC_RATE, (pu1Byte)(&pMgntInfo->mBrates) );
-
 		ieee80211_disassociate(priv->ieee80211);
-
-
 	}
 
 }
@@ -2011,23 +1353,12 @@ MgntDisconnectAP(
 // I move SecClearAllKeys() to MgntActSet_802_11_DISASSOCIATE().
 //
 //	//2004/09/15, kcwu, the key should be cleared, or the new handshaking will not success
-//	SecClearAllKeys(Adapter);
 
 	// In WPA WPA2 need to Clear all key ... because new key will set after new handshaking.
-#ifdef TODO
-	if(   pMgntInfo->SecurityInfo.AuthMode > RT_802_11AuthModeAutoSwitch ||
-		(pMgntInfo->bAPSuportCCKM && pMgntInfo->bCCX8021xenable) )  // In CCKM mode will Clear key
-	{
-		SecClearAllKeys(Adapter);
-		RT_TRACE(COMP_SEC, DBG_LOUD,("======>CCKM clear key..."))
-	}
-#endif
 	// 2004.10.11, by rcnjko.
-	//MlmeDisassociateRequest( Adapter, pMgntInfo->Bssid, disas_lv_ss );
 	MlmeDisassociateRequest( dev, priv->ieee80211->current_network.bssid, asRsn );
 
 	priv->ieee80211->state = IEEE80211_NOLINK;
-//	pMgntInfo->AsocTimestamp = 0;
 }
 bool
 MgntDisconnect(
@@ -2039,20 +1370,7 @@ MgntDisconnect(
 	//
 	// Schedule an workitem to wake up for ps mode, 070109, by rcnjko.
 	//
-#ifdef TODO
-	if(pMgntInfo->mPss != eAwake)
-	{
-		//
-		// Using AwkaeTimer to prevent mismatch ps state.
-		// In the timer the state will be changed according to the RF is being awoke or not. By Bruce, 2007-10-31.
-		//
-		// PlatformScheduleWorkItem( &(pMgntInfo->AwakeWorkItem) );
-		PlatformSetTimer( Adapter, &(pMgntInfo->AwakeTimer), 0 );
-	}
-#endif
 
-	// Indication of disassociation event.
-	//DrvIFIndicateDisassociation(Adapter, asRsn);
 	if(IS_DOT11D_ENABLE(priv->ieee80211))
 		Dot11d_Reset(priv->ieee80211);
 	// In adhoc mode, update beacon frame.
@@ -2060,8 +1378,6 @@ MgntDisconnect(
 	{
 		if( priv->ieee80211->iw_mode == IW_MODE_ADHOC )
 		{
-//			RT_TRACE(COMP_MLME, DBG_LOUD, ("MgntDisconnect() ===> MgntDisconnectIBSS\n"));
-			//printk("MgntDisconnect() ===> MgntDisconnectIBSS\n");
 			MgntDisconnectIBSS(dev);
 		}
 		if( priv->ieee80211->iw_mode == IW_MODE_INFRA )
@@ -2071,17 +1387,10 @@ MgntDisconnect(
 			// e.g. OID_802_11_DISASSOCIATE in Windows while as MgntDisconnectAP() is
 			// used to handle disassociation related things to AP, e.g. send Disassoc
 			// frame to AP.  2005.01.27, by rcnjko.
-//			SecClearAllKeys(Adapter);
-
-//			RT_TRACE(COMP_MLME, DBG_LOUD, ("MgntDisconnect() ===> MgntDisconnectAP\n"));
-			//printk("MgntDisconnect() ===> MgntDisconnectAP\n");
 			MgntDisconnectAP(dev, asRsn);
 		}
-
 		// Inidicate Disconnect, 2005.02.23, by rcnjko.
-//		MgntIndicateMediaStatus( Adapter, RT_MEDIA_DISCONNECT, GENERAL_INDICATE);
 	}
-
 	return true;
 }
 //
@@ -2101,25 +1410,12 @@ SetRFPowerState(
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 	bool			bResult = false;
 
-//	printk("---------> SetRFPowerState(): eRFPowerState(%d)\n", eRFPowerState);
 	if(eRFPowerState == priv->eRFPowerState)
 	{
-//		printk("<--------- SetRFPowerState(): discard the request for eRFPowerState(%d) is the same.\n", eRFPowerState);
 		return bResult;
 	}
 
-	switch(priv->rf_chip)
-	{
-		case RF_ZEBRA2:
-		case RF_ZEBRA4:
-			 bResult = SetZebraRFPowerState8185(dev, eRFPowerState);
-			break;
-
-		default:
-			printk("SetRFPowerState8185(): unknown RFChipID: 0x%X!!!\n", priv->rf_chip);
-			break;;
-}
-//	printk("<--------- SetRFPowerState(): bResult(%d)\n", bResult);
+	 bResult = SetZebraRFPowerState8185(dev, eRFPowerState);
 
 	return bResult;
 }
@@ -2149,33 +1445,25 @@ MgntActSet_RF_State(
 	RT_RF_POWER_STATE 	rtState;
 	u16				RFWaitCounter = 0;
 	unsigned long flag;
-//	 printk("===>MgntActSet_RF_State(): StateToSet(%d), ChangeSource(0x%x)\n",StateToSet, ChangeSource);
 	//
 	// Prevent the race condition of RF state change. By Bruce, 2007-11-28.
 	// Only one thread can change the RF state at one time, and others should wait to be executed.
 	//
-#if 1
 	while(true)
 	{
-//		down(&priv->rf_state);
 		spin_lock_irqsave(&priv->rf_ps_lock,flag);
 		if(priv->RFChangeInProgress)
 		{
-//			printk("====================>haha111111111\n");
-//			up(&priv->rf_state);
-//			RT_TRACE(COMP_RF, DBG_LOUD, ("MgntActSet_RF_State(): RF Change in progress! Wait to set..StateToSet(%d).\n", StateToSet));
 			spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
 			// Set RF after the previous action is done.
 			while(priv->RFChangeInProgress)
 			{
 				RFWaitCounter ++;
-//				RT_TRACE(COMP_RF, DBG_LOUD, ("MgntActSet_RF_State(): Wait 1 ms (%d times)...\n", RFWaitCounter));
 				udelay(1000); // 1 ms
 
 				// Wait too long, return FALSE to avoid to be stuck here.
 				if(RFWaitCounter > 1000) // 1sec
 				{
-//					RT_ASSERT(FALSE, ("MgntActSet_RF_State(): Wait too logn to set RF\n"));
 					printk("MgntActSet_RF_State(): Wait too long to set RF\n");
 					// TODO: Reset RF state?
 					return false;
@@ -2184,17 +1472,13 @@ MgntActSet_RF_State(
 		}
 		else
 		{
-//			printk("========================>haha2\n");
 			priv->RFChangeInProgress = true;
-//			up(&priv->rf_state);
 			spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
 			break;
 		}
 	}
-#endif
 	rtState = priv->eRFPowerState;
 
-
 	switch(StateToSet)
 	{
 	case eRfOn:
@@ -2215,7 +1499,6 @@ MgntActSet_RF_State(
 			}
 		}
 		else
-//			RT_TRACE(COMP_RF, DBG_LOUD, ("MgntActSet_RF_State - eRfon reject pMgntInfo->RfOffReason= 0x%x, ChangeSource=0x%X\n", pMgntInfo->RfOffReason, ChangeSource));
 			;
 		break;
 
@@ -2232,38 +1515,26 @@ MgntActSet_RF_State(
 				//
 				// Calling MgntDisconnect() instead of MgntActSet_802_11_DISASSOCIATE(),
 				// because we do NOT need to set ssid to dummy ones.
-				// Revised by Roger, 2007.12.04.
 				//
 				MgntDisconnect( dev, disas_lv_ss );
 
 				// Clear content of bssDesc[] and bssDesc4Query[] to avoid reporting old bss to UI.
-				// 2007.05.28, by shien chang.
-//				PlatformZeroMemory( pMgntInfo->bssDesc, sizeof(RT_WLAN_BSS)*MAX_BSS_DESC );
-//				pMgntInfo->NumBssDesc = 0;
-//				PlatformZeroMemory( pMgntInfo->bssDesc4Query, sizeof(RT_WLAN_BSS)*MAX_BSS_DESC );
-//				pMgntInfo->NumBssDesc4Query = 0;
 			}
 
-
-
 		priv->RfOffReason |= ChangeSource;
 		bActionAllowed = true;
 		break;
-
 	case eRfSleep:
 		priv->RfOffReason |= ChangeSource;
 		bActionAllowed = true;
 		break;
-
 	default:
 		break;
 	}
 
 	if(bActionAllowed)
 	{
-//		RT_TRACE(COMP_RF, DBG_LOUD, ("MgntActSet_RF_State(): Action is allowed.... StateToSet(%d), RfOffReason(%#X)\n", StateToSet, pMgntInfo->RfOffReason));
                 // Config HW to the specified mode.
-//		printk("MgntActSet_RF_State(): Action is allowed.... StateToSet(%d), RfOffReason(%#X)\n", StateToSet, priv->RfOffReason);
 		SetRFPowerState(dev, StateToSet);
 
 		// Turn on RF.
@@ -2273,7 +1544,6 @@ MgntActSet_RF_State(
 			if(bConnectBySSID)
 			{
 			// by amy not supported
-//				MgntActSet_802_11_SSID(Adapter, Adapter->MgntInfo.Ssid.Octet, Adapter->MgntInfo.Ssid.Length, TRUE );
 			}
 		}
 		// Turn off RF.
@@ -2282,18 +1552,11 @@ MgntActSet_RF_State(
 			HalDisableRx8185Dummy(dev);
 		}
 	}
-	else
-	{
-	//	printk("MgntActSet_RF_State(): Action is rejected.... StateToSet(%d), ChangeSource(%#X), RfOffReason(%#X)\n", StateToSet, ChangeSource, priv->RfOffReason);
-	}
 
 	// Release RF spinlock
-//	down(&priv->rf_state);
 	spin_lock_irqsave(&priv->rf_ps_lock,flag);
 	priv->RFChangeInProgress = false;
-//	up(&priv->rf_state);
 	spin_unlock_irqrestore(&priv->rf_ps_lock,flag);
-//	printk("<===MgntActSet_RF_State()\n");
 	return bActionAllowed;
 }
 void
@@ -2302,15 +1565,12 @@ InactivePowerSave(
 	)
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
-	//u8 index = 0;
-
 	//
 	// This flag "bSwRfProcessing", indicates the status of IPS procedure, should be set if the IPS workitem
 	// is really scheduled.
 	// The old code, sets this flag before scheduling the IPS workitem and however, at the same time the
 	// previous IPS workitem did not end yet, fails to schedule the current workitem. Thus, bSwRfProcessing
 	// blocks the IPS procedure of switching RF.
-	// By Bruce, 2007-12-25.
 	//
 	priv->bSwRfProcessing = true;
 
@@ -2326,7 +1586,6 @@ InactivePowerSave(
 //
 //	Description:
 //		Enter the inactive power save mode. RF will be off
-//	2007.08.17, by shien chang.
 //
 void
 IPSEnter(
@@ -2335,13 +1594,11 @@ IPSEnter(
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 	RT_RF_POWER_STATE rtState;
-	//printk("==============================>enter IPS\n");
 	if (priv->bInactivePs)
 	{
 		rtState = priv->eRFPowerState;
 
 		//
-		// Added by Bruce, 2007-12-25.
 		// Do not enter IPS in the following conditions:
 		// (1) RF is already OFF or Sleep
 		// (2) bSwRfProcessing (indicates the IPS is still under going)
@@ -2352,12 +1609,10 @@ IPSEnter(
 		if (rtState == eRfOn && !priv->bSwRfProcessing
 			&& (priv->ieee80211->state != IEEE80211_LINKED ))
 		{
-	//		printk("IPSEnter(): Turn off RF.\n");
 			priv->eInactivePowerState = eRfOff;
 			InactivePowerSave(dev);
 		}
 	}
-//	printk("priv->eRFPowerState is %d\n",priv->eRFPowerState);
 }
 void
 IPSLeave(
@@ -2366,20 +1621,17 @@ IPSLeave(
 {
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 	RT_RF_POWER_STATE rtState;
-	//printk("===================================>leave IPS\n");
 	if (priv->bInactivePs)
 	{
 		rtState = priv->eRFPowerState;
 		if ((rtState == eRfOff || rtState == eRfSleep) && (!priv->bSwRfProcessing) && priv->RfOffReason <= RF_CHANGE_BY_IPS)
 		{
-//			printk("IPSLeave(): Turn on RF.\n");
 			priv->eInactivePowerState = eRfOn;
 			InactivePowerSave(dev);
 		}
 	}
-//	printk("priv->eRFPowerState is %d\n",priv->eRFPowerState);
 }
-//by amy for power save
+
 void rtl8185b_adapter_start(struct net_device *dev)
 {
       struct r8180_priv *priv = ieee80211_priv(dev);
@@ -2388,75 +1640,45 @@ void rtl8185b_adapter_start(struct net_device *dev)
 	u8 SupportedWirelessMode;
 	u8			InitWirelessMode;
 	u8			bInvalidWirelessMode = 0;
-	//int i;
 	u8 tmpu8;
-    	//u8 u1tmp,u2tmp;
 	u8 btCR9346;
 	u8 TmpU1b;
 	u8 btPSR;
 
-	//rtl8180_rtx_disable(dev);
-//{by amy 080312
 	write_nic_byte(dev,0x24e, (BIT5|BIT6|BIT0));
-//by amy 080312}
 	rtl8180_reset(dev);
 
 	priv->dma_poll_mask = 0;
 	priv->dma_poll_stop_mask = 0;
 
-	//rtl8180_beacon_tx_disable(dev);
-
 	HwConfigureRTL8185(dev);
-
 	write_nic_dword(dev, MAC0, ((u32*)dev->dev_addr)[0]);
 	write_nic_word(dev, MAC4, ((u32*)dev->dev_addr)[1] & 0xffff );
-
 	write_nic_byte(dev, MSR, read_nic_byte(dev, MSR) & 0xf3);	// default network type to 'No	Link'
-
-	//write_nic_byte(dev, BRSR, 0x0);		// Set BRSR= 1M
-
 	write_nic_word(dev, BcnItv, 100);
 	write_nic_word(dev, AtimWnd, 2);
-
-	//PlatformEFIOWrite2Byte(dev, FEMR, 0xFFFF);
 	PlatformIOWrite2Byte(dev, FEMR, 0xFFFF);
-
 	write_nic_byte(dev, WPA_CONFIG, 0);
-
 	MacConfig_85BASIC(dev);
-
 	// Override the RFSW_CTRL (MAC offset 0x272-0x273), 2006.06.07, by rcnjko.
 	// BT_DEMO_BOARD type
 	PlatformIOWrite2Byte(dev, RFSW_CTRL, 0x569a);
-//by amy
-//#ifdef CONFIG_RTL818X_S
-		// for jong required
-//	PlatformIOWrite2Byte(dev, RFSW_CTRL, 0x9a56);
-//#endif
-//by amy
-	//BT_QA_BOARD
-	//PlatformIOWrite2Byte(dev, RFSW_CTRL, 0x9a56);
 
 	//-----------------------------------------------------------------------------
 	// Set up PHY related.
 	//-----------------------------------------------------------------------------
 	// Enable Config3.PARAM_En to revise AnaaParm.
 	write_nic_byte(dev, CR9346, 0xc0);	// enable config register write
-//by amy
 	tmpu8 = read_nic_byte(dev, CONFIG3);
 	write_nic_byte(dev, CONFIG3, (tmpu8 |CONFIG3_PARM_En) );
-//by amy
 	// Turn on Analog power.
 	// Asked for by William, otherwise, MAC 3-wire can't work, 2006.06.27, by rcnjko.
 	write_nic_dword(dev, ANAPARAM2, ANAPARM2_ASIC_ON);
 	write_nic_dword(dev, ANAPARAM, ANAPARM_ASIC_ON);
-//by amy
 	write_nic_word(dev, ANAPARAM3, 0x0010);
-//by amy
 
 	write_nic_byte(dev, CONFIG3, tmpu8);
 	write_nic_byte(dev, CR9346, 0x00);
-//{by amy 080312 for led
 	// enable EEM0 and EEM1 in 9346CR
 	btCR9346 = read_nic_byte(dev, CR9346);
 	write_nic_byte(dev, CR9346, (btCR9346|0xC0) );
@@ -2474,7 +1696,6 @@ void rtl8185b_adapter_start(struct net_device *dev)
 	// B-cut RF Radio on/off  5e[3]=0
 	btPSR = read_nic_byte(dev, PSR);
 	write_nic_byte(dev, PSR, (btPSR | BIT3));
-//by amy 080312 for led}
 	// setup initial timing for RFE.
 	write_nic_word(dev, RFPinsOutput, 0x0480);
 	SetOutputEnableOfRfPins(dev);
@@ -2537,55 +1758,19 @@ void rtl8185b_adapter_start(struct net_device *dev)
 		InitWirelessMode = ieee->mode;
 	}
 //by amy for power save
-//	printk("initialize ENABLE_IPS\n");
 	priv->eRFPowerState = eRfOff;
 	priv->RfOffReason = 0;
 	{
-	//	u32 tmp2;
-	//	u32 tmp = jiffies;
 		MgntActSet_RF_State(dev, eRfOn, 0);
-	//	tmp2 = jiffies;
-	//	printk("rf on cost jiffies:%lx\n", (tmp2-tmp)*1000/HZ);
 	}
-//	DrvIFIndicateCurrentPhyStatus(priv);
 		//
 		// If inactive power mode is enabled, disable rf while in disconnected state.
-		// 2007.07.16, by shien chang.
 		//
 	if (priv->bInactivePs)
 	{
-	//	u32 tmp2;
-	//	u32 tmp = jiffies;
 		MgntActSet_RF_State(dev,eRfOff, RF_CHANGE_BY_IPS);
-	//	tmp2 = jiffies;
-	//	printk("rf off cost jiffies:%lx\n", (tmp2-tmp)*1000/HZ);
-
 	}
-//	IPSEnter(dev);
 //by amy for power save
-#ifdef TODO
-	// Turn off RF if necessary. 2005.08.23, by rcnjko.
-	// We shall turn off RF after setting CMDR, otherwise,
-	// RF will be turnned on after we enable MAC Tx/Rx.
-	if(Adapter->MgntInfo.RegRfOff == TRUE)
-	{
-		SetRFPowerState8185(Adapter, RF_OFF);
-	}
-	else
-	{
-		SetRFPowerState8185(Adapter, RF_ON);
-	}
-#endif
-
-/*   //these is equal with above TODO.
-	write_nic_byte(dev, CR9346, 0xc0);	// enable config register write
-	write_nic_byte(dev, CONFIG3, read_nic_byte(dev, CONFIG3) | CONFIG3_PARM_En);
-	RF_WriteReg(dev, 0x4, 0x9FF);
-	write_nic_dword(dev, ANAPARAM2, ANAPARM2_ASIC_ON);
-	write_nic_dword(dev, ANAPARAM, ANAPARM_ASIC_ON);
-	write_nic_byte(dev, CONFIG3, (read_nic_byte(dev, CONFIG3)&(~CONFIG3_PARM_En)));
-	write_nic_byte(dev, CR9346, 0x00);
-*/
 
 	ActSetWirelessMode8185(dev, (u8)(InitWirelessMode));
 
@@ -2594,14 +1779,11 @@ void rtl8185b_adapter_start(struct net_device *dev)
 	rtl8185b_irq_enable(dev);
 
 	netif_start_queue(dev);
-
  }
 
-
 void rtl8185b_rx_enable(struct net_device *dev)
 {
 	u8 cmd;
-	//u32 rxconf;
 	/* for now we accept data, management & ctl frame*/
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 
@@ -2613,11 +1795,6 @@ void rtl8185b_rx_enable(struct net_device *dev)
 		priv->ReceiveConfig = priv->ReceiveConfig | RCR_AAP;
 	}
 
-	/*if(priv->ieee80211->iw_mode == IW_MODE_MASTER){
-		rxconf = rxconf | (1<<ACCEPT_ALLMAC_FRAME_SHIFT);
-		rxconf = rxconf | (1<<RX_CHECK_BSSID_SHIFT);
-	}*/
-
 	if(priv->ieee80211->iw_mode == IW_MODE_MONITOR){
 		priv->ReceiveConfig = priv->ReceiveConfig | RCR_ACF | RCR_APWRMGT | RCR_AICV;
 	}
@@ -2629,9 +1806,6 @@ void rtl8185b_rx_enable(struct net_device *dev)
 
 	fix_rx_fifo(dev);
 
-#ifdef DEBUG_RX
-	DMESG("rxconf: %x %x",priv->ReceiveConfig ,read_nic_dword(dev,RCR));
-#endif
 	cmd=read_nic_byte(dev,CMD);
 	write_nic_byte(dev,CMD,cmd | (1<<CMD_RX_ENABLE_SHIFT));
 
@@ -2640,9 +1814,7 @@ void rtl8185b_rx_enable(struct net_device *dev)
 void rtl8185b_tx_enable(struct net_device *dev)
 {
 	u8 cmd;
-	//u8 tx_agc_ctl;
 	u8 byte;
-	//u32 txconf;
 	struct r8180_priv *priv = (struct r8180_priv *)ieee80211_priv(dev);
 
 	write_nic_dword(dev, TCR, priv->TransmitConfig);
@@ -2652,21 +1824,7 @@ void rtl8185b_tx_enable(struct net_device *dev)
 
 	fix_tx_fifo(dev);
 
-#ifdef DEBUG_TX
-	DMESG("txconf: %x %x",priv->TransmitConfig,read_nic_dword(dev,TCR));
-#endif
-
 	cmd=read_nic_byte(dev,CMD);
 	write_nic_byte(dev,CMD,cmd | (1<<CMD_TX_ENABLE_SHIFT));
-
-	//write_nic_dword(dev,TX_CONF,txconf);
-
-
-/*
-	rtl8180_set_mode(dev,EPROM_CMD_CONFIG);
-	write_nic_byte(dev, TX_DMA_POLLING, priv->dma_poll_mask);
-	rtl8180_set_mode(dev,EPROM_CMD_NORMAL);
-	*/
 }
 
-
diff --git a/drivers/staging/rtl8192e/Makefile b/drivers/staging/rtl8192e/Makefile
index 5e4aa9546b51..e032c3e1e864 100644
--- a/drivers/staging/rtl8192e/Makefile
+++ b/drivers/staging/rtl8192e/Makefile
@@ -1,13 +1,15 @@
 NIC_SELECT = RTL8192E
 
-
 EXTRA_CFLAGS += -DRTL8192E
 EXTRA_CFLAGS += -std=gnu89
 EXTRA_CFLAGS += -O2
 EXTRA_CFLAGS += -DTHOMAS_TURBO
 EXTRA_CFLAGS += -DENABLE_DOT11D
 
-r8192_pci-objs :=		\
+EXTRA_CFLAGS += -DENABLE_IPS
+EXTRA_CFLAGS += -DENABLE_LPS
+
+r8192e_pci-objs :=		\
 	r8192E_core.o		\
 	r8180_93cx6.o		\
 	r8192E_wx.o		\
@@ -31,4 +33,5 @@ r8192_pci-objs :=		\
 	ieee80211/ieee80211_crypt_ccmp.o	\
 	ieee80211/ieee80211_crypt_wep.o
 
-obj-$(CONFIG_RTL8192E) += r8192_pci.o
+obj-$(CONFIG_RTL8192E) += r8192e_pci.o
+
diff --git a/drivers/staging/rtl8192e/dot11d.h b/drivers/staging/rtl8192e/dot11d.h
index 15b7a4ba37b6..5b0e2dbc2bb8 100644
--- a/drivers/staging/rtl8192e/dot11d.h
+++ b/drivers/staging/rtl8192e/dot11d.h
@@ -1,102 +1,96 @@
-#ifndef __INC_DOT11D_H
-#define __INC_DOT11D_H
+#ifndef INC_DOT11D_H
+#define INC_DOT11D_H
 
 #ifdef ENABLE_DOT11D
 #include "ieee80211.h"
 
-//#define ENABLE_DOT11D
-
-//#define DOT11D_MAX_CHNL_NUM 83
-
 typedef struct _CHNL_TXPOWER_TRIPLE {
 	u8 FirstChnl;
 	u8  NumChnls;
 	u8  MaxTxPowerInDbm;
-}CHNL_TXPOWER_TRIPLE, *PCHNL_TXPOWER_TRIPLE;
+} CHNL_TXPOWER_TRIPLE, *PCHNL_TXPOWER_TRIPLE;
 
 typedef enum _DOT11D_STATE {
 	DOT11D_STATE_NONE = 0,
 	DOT11D_STATE_LEARNED,
 	DOT11D_STATE_DONE,
-}DOT11D_STATE;
+} DOT11D_STATE;
+
+/**
+ * struct _RT_DOT11D_INFO
+ * @CountryIeLen: value greater than 0 if @CountryIeBuf contains
+ * 	          valid country information element.
+ * @chanell_map: holds channel values
+ *		0 - invalid,
+ *		1 - valid (active scan),
+ *	 	2 - valid (passive scan)
+ * @CountryIeSrcAddr - Source AP of the country IE
+ */
 
 typedef struct _RT_DOT11D_INFO {
-	//DECLARE_RT_OBJECT(RT_DOT11D_INFO);
+	bool bEnabled;
 
-	bool bEnabled; // dot11MultiDomainCapabilityEnabled
+	u16 CountryIeLen;
+	u8 CountryIeBuf[MAX_IE_LEN];
+	u8 CountryIeSrcAddr[6];
+	u8 CountryIeWatchdog;
 
-	u16 CountryIeLen; // > 0 if CountryIeBuf[] contains valid country information element.
-	u8  CountryIeBuf[MAX_IE_LEN];
-	u8  CountryIeSrcAddr[6]; // Source AP of the country IE.
-	u8  CountryIeWatchdog;
-
-	u8  channel_map[MAX_CHANNEL_NUMBER+1];  //!!!Value 0: Invalid, 1: Valid (active scan), 2: Valid (passive scan)
-	//u8  ChnlListLen; // #Bytes valid in ChnlList[].
-	//u8  ChnlList[DOT11D_MAX_CHNL_NUM];
-	u8  MaxTxPwrDbmList[MAX_CHANNEL_NUMBER+1];
+	u8 channel_map[MAX_CHANNEL_NUMBER+1];
+	u8 MaxTxPwrDbmList[MAX_CHANNEL_NUMBER+1];
 
 	DOT11D_STATE State;
-}RT_DOT11D_INFO, *PRT_DOT11D_INFO;
-#define eqMacAddr(a,b)		( ((a)[0]==(b)[0] && (a)[1]==(b)[1] && (a)[2]==(b)[2] && (a)[3]==(b)[3] && (a)[4]==(b)[4] && (a)[5]==(b)[5]) ? 1:0 )
-#define cpMacAddr(des,src)	      ((des)[0]=(src)[0],(des)[1]=(src)[1],(des)[2]=(src)[2],(des)[3]=(src)[3],(des)[4]=(src)[4],(des)[5]=(src)[5])
-#define GET_DOT11D_INFO(__pIeeeDev) ((PRT_DOT11D_INFO)((__pIeeeDev)->pDot11dInfo))
+} RT_DOT11D_INFO, *PRT_DOT11D_INFO;
+
+#define eqMacAddr(a, b) (((a)[0] == (b)[0] && (a)[1] == (b)[1] && (a)[2] == \
+			(b)[2] && (a)[3] == (b)[3] && (a)[4] == (b)[4] && \
+			(a)[5] == (b)[5]) ? 1 : 0)
+
+#define cpMacAddr(des, src) ((des)[0] = (src)[0], (des)[1] = (src)[1], \
+			(des)[2] = (src)[2], (des)[3] = (src)[3], \
+			(des)[4] = (src)[4], (des)[5] = (src)[5])
+
+#define GET_DOT11D_INFO(__pIeeeDev) ((PRT_DOT11D_INFO) \
+			((__pIeeeDev)->pDot11dInfo))
 
 #define IS_DOT11D_ENABLE(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->bEnabled
-#define IS_COUNTRY_IE_VALID(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen > 0)
+#define IS_COUNTRY_IE_VALID(__pIeeeDev) \
+			(GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen > 0)
 
-#define IS_EQUAL_CIE_SRC(__pIeeeDev, __pTa) eqMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
-#define UPDATE_CIE_SRC(__pIeeeDev, __pTa) cpMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
+#define IS_EQUAL_CIE_SRC(__pIeeeDev, __pTa) \
+		eqMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
+
+#define UPDATE_CIE_SRC(__pIeeeDev, __pTa) \
+		cpMacAddr(GET_DOT11D_INFO(__pIeeeDev)->CountryIeSrcAddr, __pTa)
 
 #define IS_COUNTRY_IE_CHANGED(__pIeeeDev, __Ie) \
-	(((__Ie).Length == 0 || (__Ie).Length != GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen) ? \
-	FALSE : \
-	(!memcmp(GET_DOT11D_INFO(__pIeeeDev)->CountryIeBuf, (__Ie).Octet, (__Ie).Length)))
+	(((__Ie).Length == 0 || (__Ie).Length != \
+	GET_DOT11D_INFO(__pIeeeDev)->CountryIeLen) ? FALSE : \
+	(!memcmp(GET_DOT11D_INFO(__pIeeeDev)->CountryIeBuf, \
+	(__Ie).Octet, (__Ie).Length)))
 
 #define CIE_WATCHDOG_TH 1
 #define GET_CIE_WATCHDOG(__pIeeeDev) GET_DOT11D_INFO(__pIeeeDev)->CountryIeWatchdog
 #define RESET_CIE_WATCHDOG(__pIeeeDev) GET_CIE_WATCHDOG(__pIeeeDev) = 0
 #define UPDATE_CIE_WATCHDOG(__pIeeeDev) ++GET_CIE_WATCHDOG(__pIeeeDev)
 
-#define IS_DOT11D_STATE_DONE(__pIeeeDev) (GET_DOT11D_INFO(__pIeeeDev)->State == DOT11D_STATE_DONE)
-
-
-void
-Dot11d_Init(
-	struct ieee80211_device *dev
-	);
-
-void
-Dot11d_Reset(
-	struct ieee80211_device *dev
-	);
-
-void
-Dot11d_UpdateCountryIe(
-	struct ieee80211_device *dev,
-	u8 *		pTaddr,
-	u16	CoutryIeLen,
-	u8 * pCoutryIe
-	);
-
-u8
-DOT11D_GetMaxTxPwrInDbm(
-	struct ieee80211_device *dev,
-	u8 Channel
-	);
-
-void
-DOT11D_ScanComplete(
-	struct ieee80211_device * dev
-	);
-
-int IsLegalChannel(
-	struct ieee80211_device * dev,
-	u8 channel
-);
-
-int ToLegalChannel(
-	struct ieee80211_device * dev,
-	u8 channel
-);
-#endif //ENABLE_DOT11D
-#endif // #ifndef __INC_DOT11D_H
+#define IS_DOT11D_STATE_DONE(__pIeeeDev) \
+		(GET_DOT11D_INFO(__pIeeeDev)->State == DOT11D_STATE_DONE)
+
+
+void Dot11d_Init(struct ieee80211_device *dev);
+
+void Dot11d_Reset(struct ieee80211_device *dev);
+
+void Dot11d_UpdateCountryIe(struct ieee80211_device *dev, u8 *pTaddr,
+		u16 CoutryIeLen, u8 *pCoutryIe);
+
+u8 DOT11D_GetMaxTxPwrInDbm(struct ieee80211_device *dev, u8 channel);
+
+void DOT11D_ScanComplete(struct ieee80211_device *dev);
+
+int IsLegalChannel(struct ieee80211_device *dev, u8 channel);
+
+int ToLegalChannel(struct ieee80211_device *dev, u8 channel);
+
+#endif /* ENABLE_DOT11D */
+#endif /* INC_DOT11D_H */
diff --git a/drivers/staging/rtl8192e/ieee80211.h b/drivers/staging/rtl8192e/ieee80211.h
index 3ba9e9e90bda..c39249eb54b5 100644
--- a/drivers/staging/rtl8192e/ieee80211.h
+++ b/drivers/staging/rtl8192e/ieee80211.h
@@ -547,9 +547,6 @@ do { if (ieee80211_debug_level & (level)) \
 
 /* debug macros not dependent on CONFIG_IEEE80211_DEBUG */
 
-#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
-#define MAC_ARG(x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5]
-
 /*
  * To use the debug system;
  *
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211.h b/drivers/staging/rtl8192e/ieee80211/ieee80211.h
index aa76390487bb..1f613a28152f 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211.h
@@ -35,6 +35,7 @@
 #endif
 #include <linux/timer.h>
 #include <linux/sched.h>
+#include <linux/semaphore.h>
 
 #include <linux/delay.h>
 #include <linux/wireless.h>
@@ -180,6 +181,8 @@ typedef struct cb_desc {
         u8 DrvAggrNum;
 	u16 pkt_size;
         u8 reserved12;
+
+	u8 bdhcp;
 }cb_desc, *pcb_desc;
 
 /*--------------------------Define -------------------------------------------*/
@@ -615,9 +618,6 @@ do { if (ieee80211_debug_level & (level)) \
 
 /* debug macros not dependent on CONFIG_IEEE80211_DEBUG */
 
-#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
-#define MAC_ARG(x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5]
-
 /*
  * To use the debug system;
  *
@@ -743,6 +743,8 @@ struct ieee80211_snap_hdr {
 #define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS)
 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
+#define WLAN_FC_MORE_DATA(fc) ((fc) & IEEE80211_FCTL_MOREDATA)
+
 
 #define WLAN_FC_GET_FRAMETYPE(fc) ((fc) & IEEE80211_FCTL_FRAMETYPE)
 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
@@ -1055,7 +1057,7 @@ struct ieee80211_device;
 #define SEC_ALG_NONE            0
 #define SEC_ALG_WEP             1
 #define SEC_ALG_TKIP            2
-#define SEC_ALG_CCMP            3
+#define SEC_ALG_CCMP            4
 
 #define WEP_KEYS 		4
 #define WEP_KEY_LEN		13
@@ -1124,6 +1126,14 @@ enum ieee80211_mfie {
 /* Minimal header; can be used for passing 802.11 frames with sufficient
  * information to determine what type of underlying data type is actually
  * stored in the data. */
+ struct ieee80211_pspoll_hdr {
+        __le16 frame_ctl;
+        __le16 aid;
+	u8 bssid[ETH_ALEN];
+        u8 ta[ETH_ALEN];
+        //u8 payload[0];
+} __attribute__ ((packed));
+
 struct ieee80211_hdr {
         __le16 frame_ctl;
         __le16 duration_id;
@@ -1660,6 +1670,7 @@ struct ieee80211_network {
 	bool ralink_cap_exist;
 	bool atheros_cap_exist;
 	bool cisco_cap_exist;
+	bool marvell_cap_exist;
 	bool unknown_cap_exist;
 //	u8	berp_info;
 	bool	berp_info_valid;
@@ -1865,6 +1876,19 @@ typedef struct _RT_POWER_SAVE_CONTROL
 	// Leisre Poswer Save : Disable RF if connected but traffic is not busy
 	//
 	bool				bLeisurePs;
+	u32				PowerProfile;
+	u8				LpsIdleCount;
+	u8				RegMaxLPSAwakeIntvl;
+	u8				LPSAwakeIntvl;
+
+	u32				CurPsLevel;
+	u32				RegRfPsLevel;
+
+	bool				bFwCtrlLPS;
+	u8				FWCtrlPSMode;
+
+	bool				LinkReqInIPSRFOffPgs;
+	bool				BufConnectinfoBefore;
 
 }RT_POWER_SAVE_CONTROL,*PRT_POWER_SAVE_CONTROL;
 
@@ -1905,14 +1929,121 @@ typedef struct _RT_LINK_DETECT_T{
 
 	u32				NumTxOkInPeriod;
 	u32				NumRxOkInPeriod;
+	u32				NumRxUnicastOkInPeriod;
 	bool				bBusyTraffic;
 }RT_LINK_DETECT_T, *PRT_LINK_DETECT_T;
 
+//added by amy 090330
+typedef enum _HW_VARIABLES{
+	HW_VAR_ETHER_ADDR,
+	HW_VAR_MULTICAST_REG,
+	HW_VAR_BASIC_RATE,
+	HW_VAR_BSSID,
+	HW_VAR_MEDIA_STATUS,
+	HW_VAR_SECURITY_CONF,
+	HW_VAR_BEACON_INTERVAL,
+	HW_VAR_ATIM_WINDOW,
+	HW_VAR_LISTEN_INTERVAL,
+	HW_VAR_CS_COUNTER,
+	HW_VAR_DEFAULTKEY0,
+	HW_VAR_DEFAULTKEY1,
+	HW_VAR_DEFAULTKEY2,
+	HW_VAR_DEFAULTKEY3,
+	HW_VAR_SIFS,
+	HW_VAR_DIFS,
+	HW_VAR_EIFS,
+	HW_VAR_SLOT_TIME,
+	HW_VAR_ACK_PREAMBLE,
+	HW_VAR_CW_CONFIG,
+	HW_VAR_CW_VALUES,
+	HW_VAR_RATE_FALLBACK_CONTROL,
+	HW_VAR_CONTENTION_WINDOW,
+	HW_VAR_RETRY_COUNT,
+	HW_VAR_TR_SWITCH,
+	HW_VAR_COMMAND,			// For Command Register, Annie, 2006-04-07.
+	HW_VAR_WPA_CONFIG,		//2004/08/23, kcwu, for 8187 Security config
+	HW_VAR_AMPDU_MIN_SPACE,	// The spacing between sub-frame. Roger, 2008.07.04.
+	HW_VAR_SHORTGI_DENSITY,	// The density for shortGI. Roger, 2008.07.04.
+	HW_VAR_AMPDU_FACTOR,
+	HW_VAR_MCS_RATE_AVAILABLE,
+	HW_VAR_AC_PARAM,			// For AC Parameters, 2005.12.01, by rcnjko.
+	HW_VAR_ACM_CTRL,			// For ACM Control, Annie, 2005-12-13.
+	HW_VAR_DIS_Req_Qsize,		// For DIS_Reg_Qsize, Joseph
+	HW_VAR_CCX_CHNL_LOAD,		// For CCX 2 channel load request, 2006.05.04.
+	HW_VAR_CCX_NOISE_HISTOGRAM,	// For CCX 2 noise histogram request, 2006.05.04.
+	HW_VAR_CCX_CLM_NHM,			// For CCX 2 parallel channel load request and noise histogram request, 2006.05.12.
+	HW_VAR_TxOPLimit,				// For turbo mode related settings, added by Roger, 2006.12.07
+	HW_VAR_TURBO_MODE,			// For turbo mode related settings, added by Roger, 2006.12.15.
+	HW_VAR_RF_STATE, 			// For change or query RF power state, 061214, rcnjko.
+	HW_VAR_RF_OFF_BY_HW,		// For UI to query if external HW signal disable RF, 061229, rcnjko.
+	HW_VAR_BUS_SPEED, 		// In unit of bps. 2006.07.03, by rcnjko.
+        HW_VAR_SET_DEV_POWER,	// Set to low power, added by LanHsin, 2007.
+
+	//1!!!!!!!!!!!!!!!!!!!!!!!!!!!
+	//1Attention Please!!!<11n or 8190 specific code should be put below this line>
+	//1!!!!!!!!!!!!!!!!!!!!!!!!!!!
+	HW_VAR_RCR,				//for RCR, David 2006,05,11
+	HW_VAR_RATR_0,
+	HW_VAR_RRSR,
+	HW_VAR_CPU_RST,
+	HW_VAR_CECHK_BSSID,
+        HW_VAR_LBK_MODE,			// Set lookback mode, 2008.06.11. added by Roger.
+	// Set HW related setting for 11N AES bug.
+	HW_VAR_AES_11N_FIX,
+	// Set Usb Rx Aggregation
+	HW_VAR_USB_RX_AGGR,
+	HW_VAR_USER_CONTROL_TURBO_MODE,
+	HW_VAR_RETRY_LIMIT,
+#ifndef _RTL8192_EXT_PATCH_
+	HW_VAR_INIT_TX_RATE,  //Get Current Tx rate register. 2008.12.10. Added by tynli
+#endif
+	HW_VAR_TX_RATE_REG,  //Get Current Tx rate register. 2008.12.10. Added by tynli
+	HW_VAR_EFUSE_USAGE, //Get current EFUSE utilization. 2008.12.19. Added by Roger.
+	HW_VAR_EFUSE_BYTES,
+	HW_VAR_AUTOLOAD_STATUS, //Get current autoload status, 0: autoload success, 1: autoload fail. 2008.12.19. Added by Roger.
+	HW_VAR_RF_2R_DISABLE, // 2R disable
+	HW_VAR_SET_RPWM,
+	HW_VAR_H2C_FW_PWRMODE, // For setting FW related H2C cmd structure. by tynli. 2009.2.18
+	HW_VAR_H2C_FW_JOINBSSRPT, // For setting FW related H2C cmd structure. by tynli. 2009.2.18
+	HW_VAR_1X1_RECV_COMBINE,	// For 1T2R but only 1SS, Add by hpfan 2009.04.16 hpfan
+	HW_VAR_STOP_SEND_BEACON,
+	HW_VAR_TSF_TIMER,			// Read from TSF register to get the current TSF timer, by Bruce, 2009-07-22.
+	HW_VAR_IO_CMD,
+	HW_VAR_HANDLE_FW_C2H,		//Added by tynli. For handling FW C2H command. 2009.10.07.
+	HW_VAR_DL_FW_RSVD_PAGE, 		//Added by tynli. Download the packets that FW will use to RSVD page. 2009.10.14.
+	HW_VAR_AID,				//Added by tynli.
+	HW_VAR_HW_SEQ_ENABLE,		//Added by tynli. 2009.10.20.
+	HW_VAR_UPDATE_TSF,			//Added by tynli. 2009.10.22. For Hw count TBTT time.
+	HW_VAR_BCN_VALID,				//Added by tynli.
+	HW_VAR_FWLPS_RF_ON			//Added by tynli. 2009.11.09. For checking if Fw finishs RF on sequence.
+}HW_VARIABLES;
+
+#define RT_CHECK_FOR_HANG_PERIOD 2
 
 struct ieee80211_device {
 	struct net_device *dev;
         struct ieee80211_security sec;
 
+	bool	need_sw_enc;
+#ifdef ENABLE_LPS
+	bool bAwakePktSent;
+	u8  LPSDelayCnt;
+	bool bIsAggregateFrame;
+	bool polling;
+	void (*LeisurePSLeave)(struct net_device *dev);
+#endif
+
+#ifdef ENABLE_IPS
+	bool proto_stoppping;
+	bool wx_set_enc;
+	struct semaphore ips_sem;
+	struct work_struct ips_leave_wq;
+        void (*ieee80211_ips_leave_wq) (struct net_device *dev);
+        void (*ieee80211_ips_leave)(struct net_device *dev);
+#endif
+	void (*SetHwRegHandler)(struct net_device *dev,u8 variable,u8* val);
+	u8   (*rtllib_ap_sec_type)(struct ieee80211_device *ieee);
+
 	//hw security related
 //	u8 hwsec_support; //support?
 	u8 hwsec_active;  //hw security active.
@@ -2319,7 +2450,7 @@ struct ieee80211_device {
 	 * stop_send_bacons is NOT guaranteed to be called only
 	 * after start_send_beacons.
 	 */
-	void (*start_send_beacons) (struct net_device *dev,u16 tx_rate);
+	void (*start_send_beacons) (struct net_device *dev);
 	void (*stop_send_beacons) (struct net_device *dev);
 
 	/* power save mode related */
@@ -2373,6 +2504,19 @@ struct ieee80211_device {
 	u8 priv[0];
 };
 
+#define	RT_RF_OFF_LEVL_ASPM			BIT0	// PCI ASPM
+#define	RT_RF_OFF_LEVL_CLK_REQ		BIT1	// PCI clock request
+#define	RT_RF_OFF_LEVL_PCI_D3			BIT2	// PCI D3 mode
+#define	RT_RF_OFF_LEVL_HALT_NIC		BIT3	// NIC halt, re-initialize hw parameters
+#define	RT_RF_OFF_LEVL_FREE_FW		BIT4	// FW free, re-download the FW
+#define	RT_RF_OFF_LEVL_FW_32K		BIT5	// FW in 32k
+#define	RT_RF_PS_LEVEL_ALWAYS_ASPM	BIT6	// Always enable ASPM and Clock Req in initialization.
+#define	RT_RF_LPS_DISALBE_2R			BIT30	// When LPS is on, disable 2R if no packet is received or transmittd.
+#define	RT_RF_LPS_LEVEL_ASPM			BIT31	// LPS with ASPM
+#define	RT_IN_PS_LEVEL(pPSC, _PS_FLAG)	((pPSC->CurPsLevel & _PS_FLAG) ? true : false)
+#define	RT_CLEAR_PS_LEVEL(pPSC, _PS_FLAG)	(pPSC->CurPsLevel &= (~(_PS_FLAG)))
+#define	RT_SET_PS_LEVEL(pPSC, _PS_FLAG)	(pPSC->CurPsLevel |= _PS_FLAG)
+
 #define IEEE_A            (1<<0)
 #define IEEE_B            (1<<1)
 #define IEEE_G            (1<<2)
@@ -2609,9 +2753,9 @@ extern void ieee80211_stop_scan(struct ieee80211_device *ieee);
 extern void ieee80211_start_scan_syncro(struct ieee80211_device *ieee);
 extern void ieee80211_check_all_nets(struct ieee80211_device *ieee);
 extern void ieee80211_start_protocol(struct ieee80211_device *ieee);
-extern void ieee80211_stop_protocol(struct ieee80211_device *ieee);
+extern void ieee80211_stop_protocol(struct ieee80211_device *ieee,u8 shutdown);
 extern void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee);
-extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee);
+extern void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee,u8 shutdown);
 extern void ieee80211_reset_queue(struct ieee80211_device *ieee);
 extern void ieee80211_rtl_wake_queue(struct ieee80211_device *ieee);
 extern void ieee80211_rtl_stop_queue(struct ieee80211_device *ieee);
@@ -2798,5 +2942,7 @@ extern int ieee80211_parse_info_param(struct ieee80211_device *ieee,
 		struct ieee80211_rx_stats *stats);
 
 void ieee80211_indicate_packets(struct ieee80211_device *ieee, struct ieee80211_rxb** prxbIndicateArray,u8  index);
+void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr);
+void ieee80211_sta_ps_send_pspoll_frame(struct ieee80211_device *ieee);
 #define RT_ASOC_RETRY_LIMIT	5
 #endif /* IEEE80211_H */
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c
index b1c54932da3e..b3c9bf4b4ea6 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt.c
@@ -225,7 +225,7 @@ out:
 }
 
 
-void __exit ieee80211_crypto_deinit(void)
+void ieee80211_crypto_deinit(void)
 {
 	struct list_head *ptr, *n;
 
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_ccmp.c
index ab871b360b5d..1776f7e69bfe 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_ccmp.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_ccmp.c
@@ -331,7 +331,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	if (!(keyidx & (1 << 5))) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "CCMP: received packet without ExtIV"
-			       " flag from " MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       " flag from %pM\n", hdr->addr2);
 		}
 		key->dot11RSNAStatsCCMPFormatErrors++;
 		return -2;
@@ -344,9 +344,9 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	}
 	if (!key->key_set) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "CCMP: received packet from " MAC_FMT
+			printk(KERN_DEBUG "CCMP: received packet from %pM"
 			       " with keyid=%d that does not have a configured"
-			       " key\n", MAC_ARG(hdr->addr2), keyidx);
+			       " key\n", hdr->addr2, keyidx);
 		}
 		return -3;
 	}
@@ -361,11 +361,9 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 
 	if (memcmp(pn, key->rx_pn, CCMP_PN_LEN) <= 0) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "CCMP: replay detected: STA=" MAC_FMT
-			       " previous PN %02x%02x%02x%02x%02x%02x "
-			       "received PN %02x%02x%02x%02x%02x%02x\n",
-			       MAC_ARG(hdr->addr2), MAC_ARG(key->rx_pn),
-			       MAC_ARG(pn));
+			//printk(KERN_DEBUG "CCMP: replay detected: STA=%pM"
+			//       " previous PN %pm received PN %pm\n",
+			//       hdr->addr2, key->rx_pn, pn);
 		}
 		key->dot11RSNAStatsCCMPReplays++;
 		return -4;
@@ -402,7 +400,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 		if (memcmp(mic, a, CCMP_MIC_LEN) != 0) {
 			if (net_ratelimit()) {
 				printk(KERN_DEBUG "CCMP: decrypt failed: STA="
-				MAC_FMT "\n", MAC_ARG(hdr->addr2));
+				"%pM\n", hdr->addr2);
 			}
 			key->dot11RSNAStatsCCMPDecryptErrors++;
 			return -5;
@@ -477,12 +475,19 @@ static int ieee80211_ccmp_get_key(void *key, int len, u8 *seq, void *priv)
 static char * ieee80211_ccmp_print_stats(char *p, void *priv)
 {
 	struct ieee80211_ccmp_data *ccmp = priv;
-	p += sprintf(p, "key[%d] alg=CCMP key_set=%d "
-		     "tx_pn=%02x%02x%02x%02x%02x%02x "
-		     "rx_pn=%02x%02x%02x%02x%02x%02x "
-		     "format_errors=%d replays=%d decrypt_errors=%d\n",
-		     ccmp->key_idx, ccmp->key_set,
-		     MAC_ARG(ccmp->tx_pn), MAC_ARG(ccmp->rx_pn),
+	int i;
+
+	p += sprintf(p, "key[%d] alg=CCMP key_set=%d tx_pn=",
+		     ccmp->key_idx, ccmp->key_set);
+
+	for (i = 0; i < ARRAY_SIZE(ccmp->tx_pn); i++)
+		p += sprintf(p, "%02x", ccmp->tx_pn[i]);
+
+	sprintf(p, " rx_pn=");
+	for (i = 0; i < ARRAY_SIZE(ccmp->rx_pn); i++)
+		p += sprintf(p, "%02x", ccmp->tx_pn[i]);
+
+	p += sprintf(p, " format_errors=%d replays=%d decrypt_errors=%d\n",
 		     ccmp->dot11RSNAStatsCCMPFormatErrors,
 		     ccmp->dot11RSNAStatsCCMPReplays,
 		     ccmp->dot11RSNAStatsCCMPDecryptErrors);
@@ -519,7 +524,7 @@ int __init ieee80211_crypto_ccmp_init(void)
 }
 
 
-void __exit ieee80211_crypto_ccmp_exit(void)
+void ieee80211_crypto_ccmp_exit(void)
 {
 	ieee80211_unregister_crypto_ops(&ieee80211_crypt_ccmp);
 }
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c
index 7a1797e6cbec..03cb21eb0658 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_crypt_tkip.c
@@ -520,7 +520,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	if (!(keyidx & (1 << 5))) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "TKIP: received packet without ExtIV"
-			       " flag from " MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       " flag from %pM\n", hdr->addr2);
 		}
 		return -2;
 	}
@@ -532,9 +532,9 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	}
 	if (!tkey->key_set) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "TKIP: received packet from " MAC_FMT
+			printk(KERN_DEBUG "TKIP: received packet from %pM"
 			       " with keyid=%d that does not have a configured"
-			       " key\n", MAC_ARG(hdr->addr2), keyidx);
+			       " key\n", hdr->addr2, keyidx);
 		}
 		return -3;
 	}
@@ -547,9 +547,9 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 		if (iv32 < tkey->rx_iv32 ||
 		(iv32 == tkey->rx_iv32 && iv16 <= tkey->rx_iv16)) {
 			if (net_ratelimit()) {
-				printk(KERN_DEBUG "TKIP: replay detected: STA=" MAC_FMT
+				printk(KERN_DEBUG "TKIP: replay detected: STA=%pM"
 				" previous TSC %08x%04x received TSC "
-				"%08x%04x\n", MAC_ARG(hdr->addr2),
+				"%08x%04x\n", hdr->addr2,
 				tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
 			}
 			tkey->dot11RSNAStatsTKIPReplays++;
@@ -582,8 +582,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 		if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
 			if (net_ratelimit()) {
 				printk(KERN_DEBUG ": TKIP: failed to decrypt "
-						"received packet from " MAC_FMT "\n",
-						MAC_ARG(hdr->addr2));
+						"received packet from %pM\n",
+						hdr->addr2);
 			}
 			return -7;
 		}
@@ -606,8 +606,9 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 				tkey->rx_phase1_done = 0;
 			}
 			if (net_ratelimit()) {
-				printk(KERN_DEBUG "TKIP: ICV error detected: STA="
-				MAC_FMT "\n", MAC_ARG(hdr->addr2));
+				printk(KERN_DEBUG
+				       "TKIP: ICV error detected: STA=%pM\n",
+				       hdr->addr2);
 			}
 			tkey->dot11RSNAStatsTKIPICVErrors++;
 			return -5;
@@ -816,8 +817,8 @@ static void ieee80211_michael_mic_failure(struct net_device *dev,
 
 	/* TODO: needed parameters: count, keyid, key type, TSC */
 	sprintf(buf, "MLME-MICHAELMICFAILURE.indication(keyid=%d %scast addr="
-		MAC_FMT ")", keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni",
-		MAC_ARG(hdr->addr2));
+		"%pM)", keyidx, hdr->addr1[0] & 0x01 ? "broad" : "uni",
+		hdr->addr2);
 	memset(&wrqu, 0, sizeof(wrqu));
 	wrqu.data.length = strlen(buf);
 	wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
@@ -862,8 +863,8 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
 		struct ieee80211_hdr_4addr *hdr;
 		hdr = (struct ieee80211_hdr_4addr *) skb->data;
 		printk(KERN_DEBUG "%s: Michael MIC verification failed for "
-		       "MSDU from " MAC_FMT " keyidx=%d\n",
-		       skb->dev ? skb->dev->name : "N/A", MAC_ARG(hdr->addr2),
+		       "MSDU from %pM keyidx=%d\n",
+		       skb->dev ? skb->dev->name : "N/A", hdr->addr2,
 		       keyidx);
 		if (skb->dev)
 			ieee80211_michael_mic_failure(skb->dev, hdr, keyidx);
@@ -1011,7 +1012,7 @@ int __init ieee80211_crypto_tkip_init(void)
 }
 
 
-void __exit ieee80211_crypto_tkip_exit(void)
+void ieee80211_crypto_tkip_exit(void)
 {
 	ieee80211_unregister_crypto_ops(&ieee80211_crypt_tkip);
 }
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c
index 06d91715143c..ce265ae5fe18 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_rx.c
@@ -312,6 +312,17 @@ static int ieee80211_is_eapol_frame(struct ieee80211_device *ieee,
 	if (skb->len < 24)
 		return 0;
 
+#if 1
+        if (ieee->hwsec_active)
+        {
+                cb_desc *tcb_desc = (cb_desc *)(skb->cb+ MAX_DEV_ADDR_SIZE);
+                tcb_desc->bHwSec = 1;
+
+                if(ieee->need_sw_enc)
+                        tcb_desc->bHwSec = 0;
+        }
+#endif
+
 	hdr = (struct ieee80211_hdr_4addr *) skb->data;
 	fc = le16_to_cpu(hdr->frame_ctl);
 
@@ -366,8 +377,8 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
 	    strcmp(crypt->ops->name, "TKIP") == 0) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
-			       "received packet from " MAC_FMT "\n",
-			       ieee->dev->name, MAC_ARG(hdr->addr2));
+			       "received packet from %pM\n",
+			       ieee->dev->name, hdr->addr2);
 		}
 		return -1;
 	}
@@ -378,8 +389,8 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
 	atomic_dec(&crypt->refcnt);
 	if (res < 0) {
 		IEEE80211_DEBUG_DROP(
-			"decryption failed (SA=" MAC_FMT
-			") res=%d\n", MAC_ARG(hdr->addr2), res);
+			"decryption failed (SA=%pM"
+			") res=%d\n", hdr->addr2, res);
 		if (res == -2)
 			IEEE80211_DEBUG_DROP("Decryption failed ICV "
 					     "mismatch (key %d)\n",
@@ -406,6 +417,10 @@ ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *s
 	{
 		cb_desc *tcb_desc = (cb_desc *)(skb->cb+ MAX_DEV_ADDR_SIZE);
 		tcb_desc->bHwSec = 1;
+
+                if(ieee->need_sw_enc)
+                        tcb_desc->bHwSec = 0;
+
 	}
 
 	hdr = (struct ieee80211_hdr_4addr *) skb->data;
@@ -416,8 +431,8 @@ ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *s
 	atomic_dec(&crypt->refcnt);
 	if (res < 0) {
 		printk(KERN_DEBUG "%s: MSDU decryption/MIC verification failed"
-		       " (SA=" MAC_FMT " keyidx=%d)\n",
-		       ieee->dev->name, MAC_ARG(hdr->addr2), keyidx);
+		       " (SA=%pM keyidx=%d)\n",
+		       ieee->dev->name, hdr->addr2, keyidx);
 		return -1;
 	}
 
@@ -799,7 +814,7 @@ void RxReorderIndicatePacket( struct ieee80211_device *ieee,
 #endif
 }
 
-u8 parse_subframe(struct sk_buff *skb,
+u8 parse_subframe(struct ieee80211_device* ieee,struct sk_buff *skb,
                   struct ieee80211_rx_stats *rx_stats,
 		  struct ieee80211_rxb *rxb,u8* src,u8* dst)
 {
@@ -839,6 +854,7 @@ u8 parse_subframe(struct sk_buff *skb,
 	}
 
 	skb_pull(skb, LLCOffset);
+	ieee->bIsAggregateFrame = bIsAggregateFrame;//added by amy for Leisure PS
 
 	if(!bIsAggregateFrame) {
 		rxb->nr_subframes = 1;
@@ -940,6 +956,7 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	u8	TID = 0;
 	u16	SeqNum = 0;
 	PRX_TS_RECORD pTS = NULL;
+	bool unicast_packet = false;
 	//bool bIsAggregateFrame = false;
 	//added by amy for reorder
 #ifdef NOT_YET
@@ -1045,8 +1062,8 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 			 * frames silently instead of filling system log with
 			 * these reports. */
 			IEEE80211_DEBUG_DROP("Decryption failed (not set)"
-					     " (SA=" MAC_FMT ")\n",
-					     MAC_ARG(hdr->addr2));
+					     " (SA=%pM)\n",
+					     hdr->addr2);
 			ieee->ieee_stats.rx_discards_undecryptable++;
 			goto rx_dropped;
 		}
@@ -1114,8 +1131,8 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 		    (keyidx = hostap_rx_frame_decrypt(ieee, skb, crypt)) < 0)
 		{
 			printk(KERN_DEBUG "%s: failed to decrypt mgmt::auth "
-			       "from " MAC_FMT "\n", dev->name,
-			       MAC_ARG(hdr->addr2));
+			       "from %pM\n", dev->name,
+			       hdr->addr2);
 			/* TODO: could inform hostapd about this so that it
 			 * could send auth failure report */
 			goto rx_dropped;
@@ -1215,6 +1232,24 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
         if (memcmp(bssid, ieee->current_network.bssid, ETH_ALEN))
                 goto rx_dropped;
 
+#ifdef ENABLE_LPS
+	if ((ieee->iw_mode == IW_MODE_INFRA)  && (ieee->sta_sleep == 1)
+		&& (ieee->polling)) {
+		if (WLAN_FC_MORE_DATA(fc)) {
+			/* more data bit is set, let's request a new frame from the AP */
+			ieee80211_sta_ps_send_pspoll_frame(ieee);
+		} else {
+			ieee->polling =  false;
+		}
+	}
+#endif
+
+	ieee->need_sw_enc = 0;
+
+        if((!rx_stats->Decrypted)){
+                ieee->need_sw_enc = 1;
+        }
+
 	/* skb: hdr + (possibly fragmented, possibly encrypted) payload */
 
 	if (ieee->host_decrypt && (fc & IEEE80211_FCTL_WEP) &&
@@ -1296,6 +1331,9 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	ieee->LinkDetectInfo.NumRxOkInPeriod++;
 
 	hdr = (struct ieee80211_hdr_4addr *) skb->data;
+	if((!is_multicast_ether_addr(hdr->addr1)) && (!is_broadcast_ether_addr(hdr->addr1)))
+		unicast_packet = true;
+
 	if (crypt && !(fc & IEEE80211_FCTL_WEP) && !ieee->open_wep) {
 		if (/*ieee->ieee802_1x &&*/
 		    ieee80211_is_eapol_frame(ieee, skb, hdrlen)) {
@@ -1311,8 +1349,8 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 		} else {
 			IEEE80211_DEBUG_DROP(
 				"encryption configured, but RX "
-				"frame not encrypted (SA=" MAC_FMT ")\n",
-				MAC_ARG(hdr->addr2));
+				"frame not encrypted (SA=%pM)\n",
+				hdr->addr2);
 			goto rx_dropped;
 		}
 	}
@@ -1331,9 +1369,9 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	    !ieee80211_is_eapol_frame(ieee, skb, hdrlen)) {
 		IEEE80211_DEBUG_DROP(
 			"dropped unencrypted RX data "
-			"frame from " MAC_FMT
+			"frame from %pM"
 			" (drop_unencrypted=1)\n",
-			MAC_ARG(hdr->addr2));
+			hdr->addr2);
 		goto rx_dropped;
 	}
 /*
@@ -1367,7 +1405,7 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	}
 	/* to parse amsdu packets */
 	/* qos data packets & reserved bit is 1 */
-	if(parse_subframe(skb,rx_stats,rxb,src,dst) == 0) {
+	if(parse_subframe(ieee, skb,rx_stats,rxb,src,dst) == 0) {
 		/* only to free rxb, and not submit the packets to upper layer */
 		for(i =0; i < rxb->nr_subframes; i++) {
 			dev_kfree_skb(rxb->subframes[i]);
@@ -1377,6 +1415,32 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 		goto rx_dropped;
 	}
 
+#ifdef ENABLE_LPS
+		if(unicast_packet)
+		{
+			if (type == IEEE80211_FTYPE_DATA)
+			{
+
+				if(ieee->bIsAggregateFrame)
+					ieee->LinkDetectInfo.NumRxUnicastOkInPeriod+=rxb->nr_subframes;
+				else
+					ieee->LinkDetectInfo.NumRxUnicastOkInPeriod++;
+
+				// 2009.03.03 Leave DC mode immediately when detect high traffic
+				// DbgPrint("ending Seq %d\n", Frame_SeqNum(pduOS));
+				if((ieee->state == IEEE80211_LINKED) /*&& !MgntInitAdapterInProgress(pMgntInfo)*/)
+				{
+					if(	((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod +ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
+						(ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
+					{
+						if(ieee->LeisurePSLeave)
+							ieee->LeisurePSLeave(dev);
+					}
+				}
+			}
+		}
+#endif
+
 	ieee->last_rx_ps_time = jiffies;
 //added by amy for reorder
 	if(ieee->pHTInfo->bCurRxReorderEnable == false ||pTS == NULL){
@@ -2013,12 +2077,22 @@ int ieee80211_parse_info_param(struct ieee80211_device *ieee,
 				info_element->data[1] == 0x13 &&
 				info_element->data[2] == 0x74))
 			{
-				printk("========>%s(): athros AP is exist\n",__FUNCTION__);
+				//printk("========>%s(): athros AP is exist\n",__FUNCTION__);
 				network->atheros_cap_exist = true;
 			}
 			else
 				network->atheros_cap_exist = false;
 
+			if ((info_element->len >= 3 &&
+						info_element->data[0] == 0x00 &&
+						info_element->data[1] == 0x50 &&
+						info_element->data[2] == 0x43) )
+			{
+				network->marvell_cap_exist = true;
+				//printk("========>%s(): marvel AP is exist\n",__FUNCTION__);
+			}
+
+
 			if(info_element->len >= 3 &&
 				info_element->data[0] == 0x00 &&
 				info_element->data[1] == 0x40 &&
@@ -2219,7 +2293,8 @@ int ieee80211_parse_info_param(struct ieee80211_device *ieee,
 	}
 
 	if(!network->atheros_cap_exist && !network->broadcom_cap_exist &&
-		!network->cisco_cap_exist && !network->ralink_cap_exist && !network->bssht.bdRT2RTAggregation)
+		!network->cisco_cap_exist && !network->ralink_cap_exist && !network->bssht.bdRT2RTAggregation &&
+		!network->marvell_cap_exist)
 	{
 		network->unknown_cap_exist = true;
 	}
@@ -2333,6 +2408,7 @@ static inline int ieee80211_network_init(
         network->broadcom_cap_exist = false;
 	network->ralink_cap_exist = false;
 	network->atheros_cap_exist = false;
+	network->marvell_cap_exist = false;
 	network->cisco_cap_exist = false;
 	network->unknown_cap_exist = false;
 #ifdef THOMAS_TURBO
@@ -2369,11 +2445,11 @@ static inline int ieee80211_network_init(
 	}
 
 	if (network->mode == 0) {
-		IEEE80211_DEBUG_SCAN("Filtered out '%s (" MAC_FMT ")' "
+		IEEE80211_DEBUG_SCAN("Filtered out '%s (%pM)' "
 				     "network.\n",
 				     escape_essid(network->ssid,
 						  network->ssid_len),
-				     MAC_ARG(network->bssid));
+				     network->bssid);
 		return 1;
 	}
 
@@ -2463,6 +2539,7 @@ static inline void update_network(struct ieee80211_network *dst,
 	dst->broadcom_cap_exist = src->broadcom_cap_exist;
 	dst->ralink_cap_exist = src->ralink_cap_exist;
 	dst->atheros_cap_exist = src->atheros_cap_exist;
+	dst->marvell_cap_exist = src->marvell_cap_exist;
 	dst->cisco_cap_exist = src->cisco_cap_exist;
 	dst->unknown_cap_exist = src->unknown_cap_exist;
 	memcpy(dst->wpa_ie, src->wpa_ie, src->wpa_ie_len);
@@ -2557,9 +2634,9 @@ static inline void ieee80211_process_probe_response(
 
 	memset(&network, 0, sizeof(struct ieee80211_network));
 	IEEE80211_DEBUG_SCAN(
-		"'%s' (" MAC_FMT "): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
+		"'%s' (%pM): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
 		escape_essid(info_element->data, info_element->len),
-		MAC_ARG(beacon->header.addr3),
+		beacon->header.addr3,
 		(beacon->capability & (1<<0xf)) ? '1' : '0',
 		(beacon->capability & (1<<0xe)) ? '1' : '0',
 		(beacon->capability & (1<<0xd)) ? '1' : '0',
@@ -2578,10 +2655,10 @@ static inline void ieee80211_process_probe_response(
 		(beacon->capability & (1<<0x0)) ? '1' : '0');
 
 	if (ieee80211_network_init(ieee, beacon, &network, stats)) {
-		IEEE80211_DEBUG_SCAN("Dropped '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Dropped '%s' (%pM) via %s.\n",
 				     escape_essid(info_element->data,
 						  info_element->len),
-				     MAC_ARG(beacon->header.addr3),
+				     beacon->header.addr3,
 				     WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
 				     IEEE80211_STYPE_PROBE_RESP ?
 				     "PROBE RESPONSE" : "BEACON");
@@ -2692,11 +2769,11 @@ static inline void ieee80211_process_probe_response(
 			/* If there are no more slots, expire the oldest */
 			list_del(&oldest->list);
 			target = oldest;
-			IEEE80211_DEBUG_SCAN("Expired '%s' (" MAC_FMT ") from "
+			IEEE80211_DEBUG_SCAN("Expired '%s' (%pM) from "
 					     "network list.\n",
 					     escape_essid(target->ssid,
 							  target->ssid_len),
-					     MAC_ARG(target->bssid));
+					     target->bssid);
 		} else {
 			/* Otherwise just pull from the free list */
 			target = list_entry(ieee->network_free_list.next,
@@ -2706,10 +2783,10 @@ static inline void ieee80211_process_probe_response(
 
 
 #ifdef CONFIG_IEEE80211_DEBUG
-		IEEE80211_DEBUG_SCAN("Adding '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Adding '%s' (%pM) via %s.\n",
 				     escape_essid(network.ssid,
 						  network.ssid_len),
-				     MAC_ARG(network.bssid),
+				     network.bssid,
 				     WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
 				     IEEE80211_STYPE_PROBE_RESP ?
 				     "PROBE RESPONSE" : "BEACON");
@@ -2719,10 +2796,10 @@ static inline void ieee80211_process_probe_response(
 		if(ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE)
 			ieee80211_softmac_new_net(ieee,&network);
 	} else {
-		IEEE80211_DEBUG_SCAN("Updating '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Updating '%s' (%pM) via %s.\n",
 				     escape_essid(target->ssid,
 						  target->ssid_len),
-				     MAC_ARG(target->bssid),
+				     target->bssid,
 				     WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
 				     IEEE80211_STYPE_PROBE_RESP ?
 				     "PROBE RESPONSE" : "BEACON");
@@ -2761,12 +2838,14 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
 		      struct ieee80211_hdr_4addr *header,
 		      struct ieee80211_rx_stats *stats)
 {
+#if 0
 	if(ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED &&
 				ieee->iw_mode == IW_MODE_INFRA &&
 				ieee->state == IEEE80211_LINKED))
 	{
 		tasklet_schedule(&ieee->ps_task);
 	}
+#endif
 
 	if(WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_PROBE_RESP &&
 		WLAN_FC_GET_STYPE(header->frame_ctl) != IEEE80211_STYPE_BEACON)
@@ -2780,6 +2859,15 @@ void ieee80211_rx_mgt(struct ieee80211_device *ieee,
 		IEEE80211_DEBUG_SCAN("Beacon\n");
 		ieee80211_process_probe_response(
 			ieee, (struct ieee80211_probe_response *)header, stats);
+
+		//printk("----------->%s()\n", __func__);
+		if(ieee->sta_sleep || (ieee->ps != IEEE80211_PS_DISABLED &&
+					ieee->iw_mode == IW_MODE_INFRA &&
+					ieee->state == IEEE80211_LINKED))
+		{
+			tasklet_schedule(&ieee->ps_task);
+		}
+
 		break;
 
 	case IEEE80211_STYPE_PROBE_RESP:
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
index 6d1ddec39f0e..ea96c4956930 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c
@@ -646,7 +646,7 @@ void ieee80211_stop_send_beacons(struct ieee80211_device *ieee)
 void ieee80211_start_send_beacons(struct ieee80211_device *ieee)
 {
 	if(ieee->start_send_beacons)
-		ieee->start_send_beacons(ieee->dev,ieee->basic_rate);
+		ieee->start_send_beacons(ieee->dev);
 	if(ieee->softmac_features & IEEE_SOFTMAC_BEACONS)
 		ieee80211_beacons_start(ieee);
 }
@@ -686,6 +686,11 @@ void ieee80211_stop_scan(struct ieee80211_device *ieee)
 /* called with ieee->lock held */
 void ieee80211_rtl_start_scan(struct ieee80211_device *ieee)
 {
+#ifdef ENABLE_IPS
+	if(ieee->ieee80211_ips_leave_wq != NULL)
+		ieee->ieee80211_ips_leave_wq(ieee->dev);
+#endif
+
 #ifdef ENABLE_DOT11D
 	if(IS_DOT11D_ENABLE(ieee) )
 	{
@@ -1093,6 +1098,40 @@ struct sk_buff* ieee80211_null_func(struct ieee80211_device *ieee,short pwr)
 
 }
 
+struct sk_buff* ieee80211_pspoll_func(struct ieee80211_device *ieee)
+{
+	struct sk_buff *skb;
+	struct ieee80211_pspoll_hdr* hdr;
+
+#ifdef USB_USE_ALIGNMENT
+        u32 Tmpaddr=0;
+        int alignment=0;
+        skb = dev_alloc_skb(sizeof(struct ieee80211_pspoll_hdr) + ieee->tx_headroom + USB_512B_ALIGNMENT_SIZE);
+#else
+	skb = dev_alloc_skb(sizeof(struct ieee80211_pspoll_hdr)+ieee->tx_headroom);
+#endif
+	if (!skb)
+		return NULL;
+
+#ifdef USB_USE_ALIGNMENT
+        Tmpaddr = (u32)skb->data;
+        alignment = Tmpaddr & 0x1ff;
+        skb_reserve(skb,(USB_512B_ALIGNMENT_SIZE - alignment));
+#endif
+	skb_reserve(skb, ieee->tx_headroom);
+
+	hdr = (struct ieee80211_pspoll_hdr*)skb_put(skb,sizeof(struct ieee80211_pspoll_hdr));
+
+	memcpy(hdr->bssid, ieee->current_network.bssid, ETH_ALEN);
+	memcpy(hdr->ta, ieee->dev->dev_addr, ETH_ALEN);
+
+	hdr->aid = cpu_to_le16(ieee->assoc_id | 0xc000);
+	hdr->frame_ctl = cpu_to_le16(IEEE80211_FTYPE_CTL |IEEE80211_STYPE_PSPOLL | IEEE80211_FCTL_PM);
+
+	return skb;
+
+}
+
 
 void ieee80211_resp_to_assoc_rq(struct ieee80211_device *ieee, u8* dest)
 {
@@ -1582,6 +1621,11 @@ void ieee80211_associate_procedure_wq(struct ieee80211_device *ieee)
 {
 #endif
 	ieee->sync_scan_hurryup = 1;
+#ifdef ENABLE_IPS
+	if(ieee->ieee80211_ips_leave != NULL)
+        	ieee->ieee80211_ips_leave(ieee->dev);
+#endif
+
 	down(&ieee->wx_sem);
 
 	if (ieee->data_hard_stop)
@@ -1592,6 +1636,17 @@ void ieee80211_associate_procedure_wq(struct ieee80211_device *ieee)
 	//ieee->set_chan(ieee->dev, ieee->current_network.channel);
 	HTSetConnectBwMode(ieee, HT_CHANNEL_WIDTH_20, HT_EXTCHNL_OFFSET_NO_EXT);
 
+#ifdef ENABLE_IPS
+	if(ieee->eRFPowerState == eRfOff)
+	{
+		if(ieee->ieee80211_ips_leave_wq != NULL)
+			ieee->ieee80211_ips_leave_wq(ieee->dev);
+
+		up(&ieee->wx_sem);
+		return;
+	}
+#endif
+
 	ieee->associate_seq = 1;
 	ieee80211_associate_step1(ieee);
 
@@ -1897,7 +1952,7 @@ ieee80211_rx_assoc_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
 		ieee80211_resp_to_assoc_rq(ieee, dest);
 	}
 
-	printk(KERN_INFO"New client associated: "MAC_FMT"\n", MAC_ARG(dest));
+	printk(KERN_INFO"New client associated: %pM\n", dest);
 	//FIXME
 	#if 0
 	spin_lock_irqsave(&ieee->lock,flags);
@@ -1918,43 +1973,92 @@ void ieee80211_sta_ps_send_null_frame(struct ieee80211_device *ieee, short pwr)
 
 }
 
+void ieee80211_sta_ps_send_pspoll_frame(struct ieee80211_device *ieee)
+{
+
+	struct sk_buff *buf = ieee80211_pspoll_func(ieee);
+
+	if (buf)
+		softmac_ps_mgmt_xmit(buf, ieee);
+
+}
 
 short ieee80211_sta_ps_sleep(struct ieee80211_device *ieee, u32 *time_h, u32 *time_l)
 {
 	int timeout = ieee->ps_timeout;
 	u8 dtim;
-	/*if(ieee->ps == IEEE80211_PS_DISABLED ||
-		ieee->iw_mode != IW_MODE_INFRA ||
-		ieee->state != IEEE80211_LINKED)
+	PRT_POWER_SAVE_CONTROL	pPSC = (PRT_POWER_SAVE_CONTROL)(&(ieee->PowerSaveControl));
 
+	if(ieee->LPSDelayCnt)
+	{
+		//printk("===============>Delay enter LPS for DHCP and ARP packets...\n");
+		ieee->LPSDelayCnt --;
 		return 0;
-	*/
+	}
+
 	dtim = ieee->current_network.dtim_data;
-	//printk("DTIM\n");
+//	printk("%s():DTIM:%d\n",__FUNCTION__,dtim);
 	if(!(dtim & IEEE80211_DTIM_VALID))
 		return 0;
 	timeout = ieee->current_network.beacon_interval; //should we use ps_timeout value or beacon_interval
 	//printk("VALID\n");
 	ieee->current_network.dtim_data = IEEE80211_DTIM_INVALID;
-
-	if(dtim & ((IEEE80211_DTIM_UCAST | IEEE80211_DTIM_MBCAST)& ieee->ps))
+	/* there's no need to nofity AP that I find you buffered with broadcast packet */
+	if(dtim & (IEEE80211_DTIM_UCAST & ieee->ps))
 		return 2;
 
-	if(!time_after(jiffies, ieee->dev->trans_start + MSECS(timeout)))
+	if(!time_after(jiffies, ieee->dev->trans_start + MSECS(timeout))){
+//		printk("%s():111Oh Oh ,it is not time out return 0\n",__FUNCTION__);
 		return 0;
-
-	if(!time_after(jiffies, ieee->last_rx_ps_time + MSECS(timeout)))
+	}
+	if(!time_after(jiffies, ieee->last_rx_ps_time + MSECS(timeout))){
+//		printk("%s():222Oh Oh ,it is not time out return 0\n",__FUNCTION__);
 		return 0;
-
+	}
 	if((ieee->softmac_features & IEEE_SOFTMAC_SINGLE_QUEUE ) &&
 		(ieee->mgmt_queue_tail != ieee->mgmt_queue_head))
 		return 0;
 
 	if(time_l){
+		if(ieee->bAwakePktSent == true) {
+			pPSC->LPSAwakeIntvl = 1;//tx wake one beacon
+		} else {
+			u8		MaxPeriod = 1;
+
+			if(pPSC->LPSAwakeIntvl == 0)
+				pPSC->LPSAwakeIntvl = 1;
+			//pNdisCommon->RegLPSMaxIntvl /// 0x0 - eFastPs, 0xFF -DTIM, 0xNN - 0xNN * BeaconIntvl
+			if(pPSC->RegMaxLPSAwakeIntvl == 0) // Default (0x0 - eFastPs, 0xFF -DTIM, 0xNN - 0xNN * BeaconIntvl)
+				MaxPeriod = 1; // 1 Beacon interval
+			else if(pPSC->RegMaxLPSAwakeIntvl == 0xFF) // DTIM
+				MaxPeriod = ieee->current_network.dtim_period;
+			else
+				MaxPeriod = pPSC->RegMaxLPSAwakeIntvl;
+			pPSC->LPSAwakeIntvl = (pPSC->LPSAwakeIntvl >= MaxPeriod) ? MaxPeriod : (pPSC->LPSAwakeIntvl + 1);
+		}
+		{
+			u8 LPSAwakeIntvl_tmp = 0;
+			u8 period = ieee->current_network.dtim_period;
+			u8 count = ieee->current_network.tim.tim_count;
+			if(count == 0 ) {
+				if(pPSC->LPSAwakeIntvl > period)
+					LPSAwakeIntvl_tmp = period + (pPSC->LPSAwakeIntvl - period) -((pPSC->LPSAwakeIntvl-period)%period);
+				else
+					LPSAwakeIntvl_tmp = pPSC->LPSAwakeIntvl;
+
+			} else {
+				if(pPSC->LPSAwakeIntvl > ieee->current_network.tim.tim_count)
+					LPSAwakeIntvl_tmp = count + (pPSC->LPSAwakeIntvl - count) -((pPSC->LPSAwakeIntvl-count)%period);
+				else
+					LPSAwakeIntvl_tmp = pPSC->LPSAwakeIntvl;//ieee->current_network.tim.tim_count;//pPSC->LPSAwakeIntvl;
+			}
+			//printk("=========>%s()assoc_id:%d(%#x),bAwakePktSent:%d,DTIM:%d, sleep interval:%d, LPSAwakeIntvl_tmp:%d, count:%d\n",__func__,ieee->assoc_id,cpu_to_le16(ieee->assoc_id),ieee->bAwakePktSent,ieee->current_network.dtim_period,pPSC->LPSAwakeIntvl,LPSAwakeIntvl_tmp,count);
+
 		*time_l = ieee->current_network.last_dtim_sta_time[0]
-			+ (ieee->current_network.beacon_interval);
+			+ MSECS(ieee->current_network.beacon_interval * LPSAwakeIntvl_tmp);
 		//	* ieee->current_network.dtim_period) * 1000;
 	}
+	}
 
 	if(time_h){
 		*time_h = ieee->current_network.last_dtim_sta_time[1];
@@ -1982,6 +2086,8 @@ inline void ieee80211_sta_ps(struct ieee80211_device *ieee)
 		ieee->state != IEEE80211_LINKED)){
 
 	//	#warning CHECK_LOCK_HERE
+		printk("=====>%s(): no need to ps,wake up!! ieee->ps is %d,ieee->iw_mode is %d,ieee->state is %d\n",
+			__FUNCTION__,ieee->ps,ieee->iw_mode,ieee->state);
 		spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
 
 		ieee80211_sta_wakeup(ieee, 1);
@@ -1991,27 +2097,27 @@ inline void ieee80211_sta_ps(struct ieee80211_device *ieee)
 
 	sleep = ieee80211_sta_ps_sleep(ieee,&th, &tl);
 	/* 2 wake, 1 sleep, 0 do nothing */
-	if(sleep == 0)
+	if(sleep == 0)//it is not time out or dtim is not valid
+	{
+		//printk("===========>sleep is 0,do nothing\n");
 		goto out;
-
+	}
 	if(sleep == 1){
-
-		if(ieee->sta_sleep == 1)
+		//printk("===========>sleep is 1,to sleep\n");
+		if(ieee->sta_sleep == 1){
+			//printk("%s(1): sta_sleep = 1, sleep again ++++++++++ \n", __func__);
 			ieee->enter_sleep_state(ieee->dev,th,tl);
+		}
 
 		else if(ieee->sta_sleep == 0){
 		//	printk("send null 1\n");
 			spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
 
 			if(ieee->ps_is_queue_empty(ieee->dev)){
-
-
 				ieee->sta_sleep = 2;
-
 				ieee->ack_tx_to_ieee = 1;
-
+				//printk("%s(2): sta_sleep = 0, notify AP we will sleeped ++++++++++ SendNullFunctionData\n", __func__);
 				ieee80211_sta_ps_send_null_frame(ieee,1);
-
 				ieee->ps_th = th;
 				ieee->ps_tl = tl;
 			}
@@ -2019,11 +2125,13 @@ inline void ieee80211_sta_ps(struct ieee80211_device *ieee)
 
 		}
 
+		ieee->bAwakePktSent = false;//after null to power save we set it to false. not listen every beacon.
 
 	}else if(sleep == 2){
-//#warning CHECK_LOCK_HERE
+		//printk("==========>sleep is 2,to wakeup\n");
 		spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
 
+		//printk("%s(3): pkt buffered in ap will awake ++++++++++ ieee80211_sta_wakeup\n", __func__);
 		ieee80211_sta_wakeup(ieee,1);
 
 		spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
@@ -2038,9 +2146,19 @@ void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl)
 {
 	if(ieee->sta_sleep == 0){
 		if(nl){
-			printk("Warning: driver is probably failing to report TX ps error\n");
-			ieee->ack_tx_to_ieee = 1;
-			ieee80211_sta_ps_send_null_frame(ieee, 0);
+			if(ieee->pHTInfo->IOTAction & HT_IOT_ACT_NULL_DATA_POWER_SAVING)
+			{
+				//printk("%s(1): notify AP we are awaked ++++++++++ SendNullFunctionData\n", __func__);
+				//printk("Warning: driver is probably failing to report TX ps error\n");
+				ieee->ack_tx_to_ieee = 1;
+				ieee80211_sta_ps_send_null_frame(ieee, 0);
+			}
+			else
+			{
+				ieee->ack_tx_to_ieee = 1;
+				//printk("%s(2): notify AP we are awaked ++++++++++ Send PS-Poll\n", __func__);
+				ieee80211_sta_ps_send_pspoll_frame(ieee);
+			}
 		}
 		return;
 
@@ -2048,12 +2166,27 @@ void ieee80211_sta_wakeup(struct ieee80211_device *ieee, short nl)
 
 	if(ieee->sta_sleep == 1)
 		ieee->sta_wake_up(ieee->dev);
+	if(nl){
 
-	ieee->sta_sleep = 0;
+			if(ieee->pHTInfo->IOTAction & HT_IOT_ACT_NULL_DATA_POWER_SAVING)
+			{
+				//printk("%s(3): notify AP we are awaked ++++++++++ SendNullFunctionData\n", __func__);
+				//printk("Warning: driver is probably failing to report TX ps error\n");
+				ieee->ack_tx_to_ieee = 1;
+				ieee80211_sta_ps_send_null_frame(ieee, 0);
+			}
+			else
+			{
+				ieee->ack_tx_to_ieee = 1;
+			ieee->polling = true;
+				//printk("%s(4): notify AP we are awaked ++++++++++ Send PS-Poll\n", __func__);
+				//ieee80211_sta_ps_send_null_frame(ieee, 0);
+				ieee80211_sta_ps_send_pspoll_frame(ieee);
+			}
 
-	if(nl){
-		ieee->ack_tx_to_ieee = 1;
-		ieee80211_sta_ps_send_null_frame(ieee, 0);
+	} else {
+		ieee->sta_sleep = 0;
+		ieee->polling = false;
 	}
 }
 
@@ -2067,23 +2200,30 @@ void ieee80211_ps_tx_ack(struct ieee80211_device *ieee, short success)
 		/* Null frame with PS bit set */
 		if(success){
 			ieee->sta_sleep = 1;
+			//printk("notify AP we will sleep and send null ok, so sleep now++++++++++ enter_sleep_state\n");
 			ieee->enter_sleep_state(ieee->dev,ieee->ps_th,ieee->ps_tl);
 		}
-		/* if the card report not success we can't be sure the AP
-		 * has not RXed so we can't assume the AP believe us awake
-		 */
-	}
-	/* 21112005 - tx again null without PS bit if lost */
-	else {
+	} else {/* 21112005 - tx again null without PS bit if lost */
 
 		if((ieee->sta_sleep == 0) && !success){
 			spin_lock_irqsave(&ieee->mgmt_tx_lock, flags2);
-			ieee80211_sta_ps_send_null_frame(ieee, 0);
+			//ieee80211_sta_ps_send_null_frame(ieee, 0);
+			if(ieee->pHTInfo->IOTAction & HT_IOT_ACT_NULL_DATA_POWER_SAVING)
+			{
+				//printk("notify AP we will sleep but send bull failed, so resend++++++++++ SendNullFunctionData\n");
+				ieee80211_sta_ps_send_null_frame(ieee, 0);
+			}
+			else
+			{
+				//printk("notify AP we are awaked but send pspoll failed, so resend++++++++++ Send PS-Poll\n");
+				ieee80211_sta_ps_send_pspoll_frame(ieee);
+			}
 			spin_unlock_irqrestore(&ieee->mgmt_tx_lock, flags2);
 		}
 	}
 	spin_unlock_irqrestore(&ieee->lock, flags);
 }
+
 void ieee80211_process_action(struct ieee80211_device* ieee, struct sk_buff* skb)
 {
 	struct ieee80211_hdr* header = (struct ieee80211_hdr*)skb->data;
@@ -2227,7 +2367,7 @@ ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
 								{
 									if (!ieee->GetNmodeSupportBySecCfg(ieee->dev))
 									{
-												// WEP or TKIP encryption
+										// WEP or TKIP encryption
 										if(IsHTHalfNmodeAPs(ieee))
 										{
 											bSupportNmode = true;
@@ -2238,7 +2378,7 @@ ieee80211_rx_frame_softmac(struct ieee80211_device *ieee, struct sk_buff *skb,
 											bSupportNmode = false;
 											bHalfSupportNmode = false;
 										}
-									printk("==========>to link with AP using SEC(%d, %d)", bSupportNmode, bHalfSupportNmode);
+									printk("==========>to link with AP using SEC(%d, %d)\n", bSupportNmode, bHalfSupportNmode);
 									}
 								}
 								/* Dummy wirless mode setting to avoid encryption issue */
@@ -2574,6 +2714,7 @@ void ieee80211_start_ibss_wq(struct ieee80211_device *ieee)
 		ieee->ssid_set = 1;
 	}
 
+	ieee->state = IEEE80211_NOLINK;
 	/* check if we have this cell in our network list */
 	ieee80211_softmac_check_all_nets(ieee);
 
@@ -2705,6 +2846,10 @@ void ieee80211_start_bss(struct ieee80211_device *ieee)
 	spin_lock_irqsave(&ieee->lock, flags);
 
 	if (ieee->state == IEEE80211_NOLINK){
+#ifdef ENABLE_IPS
+		if(ieee->ieee80211_ips_leave_wq != NULL)
+			ieee->ieee80211_ips_leave_wq(ieee->dev);
+#endif
 		ieee->actscanning = true;
 		ieee80211_rtl_start_scan(ieee);
 	}
@@ -2823,21 +2968,23 @@ struct sk_buff *ieee80211_get_beacon(struct ieee80211_device *ieee)
 	return skb;
 }
 
-void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee)
+void ieee80211_softmac_stop_protocol(struct ieee80211_device *ieee, u8 shutdown)
 {
 	ieee->sync_scan_hurryup = 1;
 	down(&ieee->wx_sem);
-	ieee80211_stop_protocol(ieee);
+	ieee80211_stop_protocol(ieee, shutdown);
 	up(&ieee->wx_sem);
 }
 
 
-void ieee80211_stop_protocol(struct ieee80211_device *ieee)
+void ieee80211_stop_protocol(struct ieee80211_device *ieee, u8 shutdown)
 {
 	if (!ieee->proto_started)
 		return;
 
-	ieee->proto_started = 0;
+	if(shutdown)
+		ieee->proto_started = 0;
+	ieee->proto_stoppping = 1;
 
 	ieee80211_stop_send_beacons(ieee);
 	del_timer_sync(&ieee->associate_timer);
@@ -2849,6 +2996,8 @@ void ieee80211_stop_protocol(struct ieee80211_device *ieee)
 
 	ieee80211_disassociate(ieee);
 	RemoveAllTS(ieee); //added as we disconnect from the previous BSS, Remove all TS
+
+	ieee->proto_stoppping = 0;
 }
 
 void ieee80211_softmac_start_protocol(struct ieee80211_device *ieee)
@@ -2894,6 +3043,8 @@ void ieee80211_start_protocol(struct ieee80211_device *ieee)
 
 	ieee->init_wmmparam_flag = 0;//reinitialize AC_xx_PARAM registers.
 
+	ieee->state = IEEE80211_NOLINK;
+
 
 	/* if the user set the MAC of the ad-hoc cell and then
 	 * switch to managed mode, shall we  make sure that association
@@ -3013,7 +3164,9 @@ void ieee80211_softmac_init(struct ieee80211_device *ieee)
 #endif
 	sema_init(&ieee->wx_sem, 1);
 	sema_init(&ieee->scan_sem, 1);
-
+#ifdef ENABLE_IPS
+	sema_init(&ieee->ips_sem,1);
+#endif
 	spin_lock_init(&ieee->mgmt_tx_lock);
 	spin_lock_init(&ieee->beacon_lock);
 
@@ -3537,5 +3690,6 @@ EXPORT_SYMBOL_NOVERS(ieee80211_stop_scan);
 EXPORT_SYMBOL_NOVERS(ieee80211_send_probe_requests);
 EXPORT_SYMBOL_NOVERS(ieee80211_softmac_scan_syncro);
 EXPORT_SYMBOL_NOVERS(ieee80211_start_scan_syncro);
+EXPORT_SYMBOL_NOVERS(ieee80211_sta_ps_send_null_frame);
+EXPORT_SYMBOL_NOVERS(ieee80211_sta_ps_send_pspoll_frame);
 #endif
-//EXPORT_SYMBOL(ieee80211_sta_ps_send_null_frame);
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac_wx.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac_wx.c
index 7c21aaab9063..1bbd49f1d6f6 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac_wx.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_softmac_wx.c
@@ -160,7 +160,7 @@ int ieee80211_wx_set_wap(struct ieee80211_device *ieee,
 	}
 
 	if (ifup)
-		ieee80211_stop_protocol(ieee);
+		ieee80211_stop_protocol(ieee,true);
 
 	/* just to avoid to give inconsistent infos in the
 	 * get wx method. not really needed otherwise
@@ -302,7 +302,7 @@ int ieee80211_wx_set_mode(struct ieee80211_device *ieee, struct iw_request_info
 	if (!ieee->proto_started){
 		ieee->iw_mode = wrqu->mode;
 	}else{
-		ieee80211_stop_protocol(ieee);
+		ieee80211_stop_protocol(ieee,true);
 		ieee->iw_mode = wrqu->mode;
 		ieee80211_start_protocol(ieee);
 	}
@@ -326,6 +326,17 @@ void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee)
 	int b40M = 0;
 	static int count = 0;
 	chan = ieee->current_network.channel;
+
+#ifdef ENABLE_LPS
+	if (ieee->LeisurePSLeave) {
+		ieee->LeisurePSLeave(ieee->dev);
+	}
+
+	/* notify AP to be in PS mode */
+	ieee80211_sta_ps_send_null_frame(ieee, 1);
+	ieee80211_sta_ps_send_null_frame(ieee, 1);
+#endif
+
 	netif_carrier_off(ieee->dev);
 
 	if (ieee->data_hard_stop)
@@ -360,6 +371,12 @@ void ieee80211_wx_sync_scan_wq(struct ieee80211_device *ieee)
 	ieee->InitialGainHandler(ieee->dev,IG_Restore);
 	ieee->state = IEEE80211_LINKED;
 	ieee->link_change(ieee->dev);
+
+#ifdef ENABLE_LPS
+	/* Notify AP that I wake up again */
+	ieee80211_sta_ps_send_null_frame(ieee, 0);
+#endif
+
 	// To prevent the immediately calling watch_dog after scan.
 	if(ieee->LinkDetectInfo.NumRecvBcnInPeriod==0||ieee->LinkDetectInfo.NumRecvDataInPeriod==0 )
 	{
@@ -429,8 +446,9 @@ int ieee80211_wx_set_essid(struct ieee80211_device *ieee,
 		goto out;
 	}
 
-	if(proto_started)
-		ieee80211_stop_protocol(ieee);
+	if(proto_started){
+		ieee80211_stop_protocol(ieee,true);
+	}
 
 
 	/* this is just to be sure that the GET wx callback
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_tx.c
index 798fb4154c25..a75f3668a40a 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_tx.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_tx.c
@@ -200,8 +200,8 @@ int ieee80211_encrypt_fragment(
 		header = (struct ieee80211_hdr *) frag->data;
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
-			       "TX packet to " MAC_FMT "\n",
-			       ieee->dev->name, MAC_ARG(header->addr1));
+			       "TX packet to %pM\n",
+			       ieee->dev->name, header->addr1);
 		}
 		return -1;
 	}
@@ -334,6 +334,13 @@ void ieee80211_tx_query_agg_cap(struct ieee80211_device* ieee, struct sk_buff* s
 	if(!Adapter->HalFunc.GetNmodeSupportBySecCfgHandler(Adapter))
 		return;
 #endif
+
+        if(tcb_desc->bdhcp)// || ieee->CntAfterLink<2)
+        {
+                return;
+        }
+
+
 #if 1
 	if(!ieee->GetNmodeSupportBySecCfg(ieee->dev))
 	{
@@ -628,6 +635,7 @@ int ieee80211_rtl_xmit(struct sk_buff *skb, struct net_device *dev)
 	int qos_actived = ieee->current_network.qos_data.active;
 
 	struct ieee80211_crypt_data* crypt;
+	bool    bdhcp =false;
 
 	cb_desc *tcb_desc;
 
@@ -672,6 +680,55 @@ int ieee80211_rtl_xmit(struct sk_buff *skb, struct net_device *dev)
 		}
 	#endif
 
+		// The following is for DHCP and ARP packet, we use cck1M to tx these packets and let LPS awake some time
+		// to prevent DHCP protocol fail
+		if (skb->len > 282){//MINIMUM_DHCP_PACKET_SIZE) {
+			if (ETH_P_IP == ether_type) {// IP header
+				const struct iphdr *ip = (struct iphdr *)((u8 *)skb->data+14);
+				if (IPPROTO_UDP == ip->protocol) {//FIXME windows is 11 but here UDP in linux kernel is 17.
+					struct udphdr *udp = (struct udphdr *)((u8 *)ip + (ip->ihl << 2));
+					//if(((ntohs(udp->source) == 68) && (ntohs(udp->dest) == 67)) ||
+					///   ((ntohs(udp->source) == 67) && (ntohs(udp->dest) == 68))) {
+					if(((((u8 *)udp)[1] == 68) && (((u8 *)udp)[3] == 67)) ||
+							((((u8 *)udp)[1] == 67) && (((u8 *)udp)[3] == 68))) {
+						// 68 : UDP BOOTP client
+						// 67 : UDP BOOTP server
+						printk("DHCP pkt src port:%d, dest port:%d!!\n", ((u8 *)udp)[1],((u8 *)udp)[3]);
+						// Use low rate to send DHCP packet.
+						//if(pMgntInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom)
+						//{
+						//      tcb_desc->DataRate = MgntQuery_TxRateExcludeCCKRates(ieee);//0xc;//ofdm 6m
+						//      tcb_desc->bTxDisableRateFallBack = false;
+						//}
+						//else
+						//pTcb->DataRate = Adapter->MgntInfo.LowestBasicRate;
+						//RTPRINT(FDM, WA_IOT, ("DHCP TranslateHeader(), pTcb->DataRate = 0x%x\n", pTcb->DataRate));
+
+						bdhcp = true;
+#ifdef _RTL8192_EXT_PATCH_
+						ieee->LPSDelayCnt = 100;//pPSC->LPSAwakeIntvl*2; //AMY,090701
+#else
+						ieee->LPSDelayCnt = 100;//pPSC->LPSAwakeIntvl*2;
+#endif
+					}
+				}
+				}else if(ETH_P_ARP == ether_type){// IP ARP packet
+					printk("=================>DHCP Protocol start tx ARP pkt!!\n");
+					bdhcp = true;
+					ieee->LPSDelayCnt = ieee->current_network.tim.tim_count;
+
+					//if(pMgntInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom)
+					//{
+					//      tcb_desc->DataRate = MgntQuery_TxRateExcludeCCKRates(Adapter->MgntInfo.mBrates);//0xc;//ofdm 6m
+					//      tcb_desc->bTxDisableRateFallBack = FALSE;
+					//}
+					//else
+					//      tcb_desc->DataRate = Adapter->MgntInfo.LowestBasicRate;
+					//RTPRINT(FDM, WA_IOT, ("ARP TranslateHeader(), pTcb->DataRate = 0x%x\n", pTcb->DataRate));
+
+				}
+			}
+
 		/* Save source and destination addresses */
 		memcpy(&dest, skb->data, ETH_ALEN);
 		memcpy(&src, skb->data+ETH_ALEN, ETH_ALEN);
@@ -895,6 +952,25 @@ int ieee80211_rtl_xmit(struct sk_buff *skb, struct net_device *dev)
 		else
 			//tcb_desc->data_rate = CURRENT_RATE(ieee->current_network.mode, ieee->rate, ieee->HTCurrentOperaRate);
 			tcb_desc->data_rate = CURRENT_RATE(ieee->mode, ieee->rate, ieee->HTCurrentOperaRate);
+
+		if(bdhcp == true){
+			// Use low rate to send DHCP packet.
+			//if(ieee->pHTInfo->IOTAction & HT_IOT_ACT_WA_IOT_Broadcom) {
+			//	tcb_desc->data_rate = MGN_1M;//MgntQuery_TxRateExcludeCCKRates(ieee);//0xc;//ofdm 6m
+			//	tcb_desc->bTxDisableRateFallBack = false;
+			//}
+			//else
+			{
+				tcb_desc->data_rate = MGN_1M;
+				tcb_desc->bTxDisableRateFallBack = 1;
+			}
+
+			tcb_desc->RATRIndex = 7;
+			tcb_desc->bTxUseDriverAssingedRate = 1;
+			tcb_desc->bdhcp = 1;
+		}
+
+
 		ieee80211_qurey_ShortPreambleMode(ieee, tcb_desc);
 		ieee80211_tx_query_agg_cap(ieee, txb->fragments[0], tcb_desc);
 		ieee80211_query_HTCapShortGI(ieee, tcb_desc);
diff --git a/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c
index 3441b72dd8fa..a3302d5e01ab 100644
--- a/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8192e/ieee80211/ieee80211_wx.c
@@ -386,10 +386,10 @@ int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
 		else
 			IEEE80211_DEBUG_SCAN(
 				"Not showing network '%s ("
-				MAC_FMT ")' due to age (%lums).\n",
+				"%pM)' due to age (%lums).\n",
 				escape_essid(network->ssid,
 					     network->ssid_len),
-				MAC_ARG(network->bssid),
+				network->bssid,
 				(jiffies - network->last_scanned) / (HZ / 100));
 	}
 
@@ -933,7 +933,7 @@ int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
 #if 1
 	case IW_AUTH_WPA_ENABLED:
 		ieee->wpa_enabled = (data->value)?1:0;
-		//printk("enalbe wpa:%d\n", ieee->wpa_enabled);
+		//printk("enable wpa:%d\n", ieee->wpa_enabled);
 		break;
 
 #endif
diff --git a/drivers/staging/rtl8192e/ieee80211/rtl819x_BAProc.c b/drivers/staging/rtl8192e/ieee80211/rtl819x_BAProc.c
index e41e8a0c739c..ae0e5b9e2183 100644
--- a/drivers/staging/rtl8192e/ieee80211/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192e/ieee80211/rtl819x_BAProc.c
@@ -113,7 +113,7 @@ static struct sk_buff* ieee80211_ADDBA(struct ieee80211_device* ieee, u8* Dst, P
 	u16 tmp = 0;
 	u16 len = ieee->tx_headroom + 9;
 	//category(1) + action field(1) + Dialog Token(1) + BA Parameter Set(2) +  BA Timeout Value(2) +  BA Start SeqCtrl(2)(or StatusCode(2))
-	IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), frame(%d) sentd to:"MAC_FMT", ieee->dev:%p\n", __FUNCTION__, type, MAC_ARG(Dst), ieee->dev);
+	IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), frame(%d) sentd to:%pM, ieee->dev:%p\n", __FUNCTION__, type, Dst, ieee->dev);
 	if (pBA == NULL||ieee == NULL)
 	{
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "pBA(%p) is NULL or ieee(%p) is NULL\n", pBA, ieee);
@@ -243,7 +243,7 @@ static struct sk_buff* ieee80211_DELBA(
 	u16 len = 6 + ieee->tx_headroom;
 
 	if (net_ratelimit())
-	IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), ReasonCode(%d) sentd to:"MAC_FMT"\n", __FUNCTION__, ReasonCode, MAC_ARG(dst));
+	IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), ReasonCode(%d) sentd to:%pM\n", __FUNCTION__, ReasonCode, dst);
 
 	memset(&DelbaParamSet, 0, 2);
 
@@ -397,7 +397,7 @@ int ieee80211_rx_ADDBAReq( struct ieee80211_device* ieee, struct sk_buff *skb)
 	pBaTimeoutVal = (u16*)(tag + 5);
 	pBaStartSeqCtrl = (PSEQUENCE_CONTROL)(req + 7);
 
-	printk("====================>rx ADDBAREQ from :"MAC_FMT"\n", MAC_ARG(dst));
+	printk("====================>rx ADDBAREQ from :%pM\n", dst);
 //some other capability is not ready now.
 	if(	(ieee->current_network.qos_data.active == 0) ||
 		(ieee->pHTInfo->bCurrentHTSupport == false)) //||
diff --git a/drivers/staging/rtl8192e/ieee80211/rtl819x_HT.h b/drivers/staging/rtl8192e/ieee80211/rtl819x_HT.h
index 992b71825a8b..f968817d073c 100644
--- a/drivers/staging/rtl8192e/ieee80211/rtl819x_HT.h
+++ b/drivers/staging/rtl8192e/ieee80211/rtl819x_HT.h
@@ -458,7 +458,8 @@ typedef enum _HT_IOT_PEER
 	HT_IOT_PEER_RALINK = 3,
 	HT_IOT_PEER_ATHEROS = 4,
 	HT_IOT_PEER_CISCO= 5,
-	HT_IOT_PEER_MAX = 6
+        HT_IOT_PEER_MARVELL=6,
+	HT_IOT_PEER_MAX = 7
 }HT_IOT_PEER_E, *PHTIOT_PEER_E;
 
 //
@@ -475,6 +476,7 @@ typedef enum _HT_IOT_ACTION{
 	HT_IOT_ACT_CDD_FSYNC = 0x00000080,
 	HT_IOT_ACT_PURE_N_MODE = 0x00000100,
 	HT_IOT_ACT_FORCED_CTS2SELF = 0x00000200,
+	HT_IOT_ACT_NULL_DATA_POWER_SAVING = 0x00800000,
 }HT_IOT_ACTION_E, *PHT_IOT_ACTION_E;
 
 #endif //_RTL819XU_HTTYPE_H_
diff --git a/drivers/staging/rtl8192e/ieee80211/rtl819x_HTProc.c b/drivers/staging/rtl8192e/ieee80211/rtl819x_HTProc.c
index 1e392141779a..4c4b1df350ac 100644
--- a/drivers/staging/rtl8192e/ieee80211/rtl819x_HTProc.c
+++ b/drivers/staging/rtl8192e/ieee80211/rtl819x_HTProc.c
@@ -32,7 +32,7 @@ u16 MCS_DATA_RATE[2][2][77] =
 static u8 UNKNOWN_BORADCOM[3] = {0x00, 0x14, 0xbf};
 static u8 LINKSYSWRT330_LINKSYSWRT300_BROADCOM[3] = {0x00, 0x1a, 0x70};
 static u8 LINKSYSWRT350_LINKSYSWRT150_BROADCOM[3] = {0x00, 0x1d, 0x7e};
-static u8 NETGEAR834Bv2_BROADCOM[3] = {0x00, 0x1b, 0x2f};
+//static u8 NETGEAR834Bv2_BROADCOM[3] = {0x00, 0x1b, 0x2f};
 static u8 BELKINF5D8233V1_RALINK[3] = {0x00, 0x17, 0x3f};	//cosa 03202008
 static u8 BELKINF5D82334V3_RALINK[3] = {0x00, 0x1c, 0xdf};
 static u8 PCI_RALINK[3] = {0x00, 0x90, 0xcc};
@@ -40,8 +40,9 @@ static u8 EDIMAX_RALINK[3] = {0x00, 0x0e, 0x2e};
 static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
 static u8 DLINK_ATHEROS[3] = {0x00, 0x1c, 0xf0};
 static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
+static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
 
-// 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Shoud we put the
+// 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Should we put the
 // code in other place??
 //static u8 WIFI_CISCO_G_AP[3] = {0x00, 0x40, 0x96};
 /********************************************************************************************************************
@@ -349,12 +350,12 @@ bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee)
 	bool			retValue = false;
 	struct ieee80211_network* net = &ieee->current_network;
 #if 0
-	if(pMgntInfo->bHalfNMode == false)
+	if(ieee->bHalfNMode == false)
 		retValue = false;
 	else
 #endif
 	if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
-		     (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
+	   	     (memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
 		     (memcmp(net->bssid, PCI_RALINK, 3)==0) ||
 		     (memcmp(net->bssid, EDIMAX_RALINK, 3)==0) ||
 		     (memcmp(net->bssid, AIRLINK_RALINK, 3)==0) ||
@@ -363,7 +364,7 @@ bool IsHTHalfNmodeAPs(struct ieee80211_device* ieee)
 	else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
     		    (memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
     		    (memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
-    		    (memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ||
+    		    //(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ||
     		    (net->broadcom_cap_exist))
     		  retValue = true;
 	else if(net->bssht.bdRT2RTAggregation)
@@ -387,13 +388,15 @@ void HTIOTPeerDetermine(struct ieee80211_device* ieee)
 	struct ieee80211_network* net = &ieee->current_network;
 	if(net->bssht.bdRT2RTAggregation)
 		pHTInfo->IOTPeer = HT_IOT_PEER_REALTEK;
-	else if(net->broadcom_cap_exist)
+	else if(net->broadcom_cap_exist){
 		pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
+	}
 	else if((memcmp(net->bssid, UNKNOWN_BORADCOM, 3)==0) ||
 			(memcmp(net->bssid, LINKSYSWRT330_LINKSYSWRT300_BROADCOM, 3)==0)||
-			(memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)||
-			(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) )
+			(memcmp(net->bssid, LINKSYSWRT350_LINKSYSWRT150_BROADCOM, 3)==0)){//||
+			//(memcmp(net->bssid, NETGEAR834Bv2_BROADCOM, 3)==0) ){
 		pHTInfo->IOTPeer = HT_IOT_PEER_BROADCOM;
+	}
 	else if((memcmp(net->bssid, BELKINF5D8233V1_RALINK, 3)==0) ||
 			(memcmp(net->bssid, BELKINF5D82334V3_RALINK, 3)==0) ||
 			(memcmp(net->bssid, PCI_RALINK, 3)==0) ||
@@ -405,6 +408,10 @@ void HTIOTPeerDetermine(struct ieee80211_device* ieee)
 		pHTInfo->IOTPeer = HT_IOT_PEER_ATHEROS;
 	else if(memcmp(net->bssid, CISCO_BROADCOM, 3)==0)
 		pHTInfo->IOTPeer = HT_IOT_PEER_CISCO;
+        else if ((memcmp(net->bssid, LINKSYS_MARVELL_4400N, 3) == 0) ||
+			net->marvell_cap_exist){
+		pHTInfo->IOTPeer = HT_IOT_PEER_MARVELL;
+	}
 	else
 		pHTInfo->IOTPeer = HT_IOT_PEER_UNKNOWN;
 
@@ -442,6 +449,18 @@ u8 HTIOTActIsDisableMCS14(struct ieee80211_device* ieee, u8* PeerMacAddr)
 	return ret;
  }
 
+u8 HTIOTActIsForcedCTS2Self(struct ieee80211_device *ieee, struct ieee80211_network *network)
+{
+        u8      retValue = 0;
+        //if(network->marvell_cap_exist)
+        if(ieee->pHTInfo->IOTPeer == HT_IOT_PEER_MARVELL)
+        {
+                retValue = 1;
+        }
+
+        return retValue;
+}
+
 
 /**
 * Function:	HTIOTActIsDisableMCS15
@@ -578,6 +597,23 @@ u8 HTIOTActIsCCDFsync(u8* PeerMacAddr)
 	return retValue;
 }
 
+//
+//  Send null data for to tell AP that we are awake.
+//
+bool
+HTIOTActIsNullDataPowerSaving(struct ieee80211_device* ieee,struct ieee80211_network *network)
+{
+	bool	retValue = false;
+
+	PRT_HIGH_THROUGHPUT	pHTInfo = ieee->pHTInfo;
+	{
+		if(pHTInfo->IOTPeer == HT_IOT_PEER_BROADCOM) // ||(pBssDesc->Vender == HT_IOT_PEER_ATHEROS && pBssDesc->SubTypeOfVender == HT_IOT_PEER_ATHEROS_DIR635))
+			return true;
+
+	}
+	return retValue;
+}
+
 void HTResetIOTSetting(
 	PRT_HIGH_THROUGHPUT		pHTInfo
 )
@@ -1071,6 +1107,13 @@ void HTOnAssocRsp(struct ieee80211_device *ieee)
 	// Config and configure A-MSDU setting
 	//
 	pHTInfo->bCurrent_AMSDU_Support = pHTInfo->bAMSDU_Support;
+        if (ieee->rtllib_ap_sec_type &&
+           (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))){
+                if( (pHTInfo->IOTPeer== HT_IOT_PEER_ATHEROS) ||
+                                (pHTInfo->IOTPeer == HT_IOT_PEER_UNKNOWN) )
+                        pHTInfo->bCurrentAMPDUEnable = false;
+        }
+
 
 	nMaxAMSDUSize = (pPeerHTCap->MaxAMSDUSize==0)?3839:7935;
 
@@ -1515,6 +1558,9 @@ void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee, 	struct ieee80
 		bIOTAction = HTIOTActIsDisableMCS14(ieee, pNetwork->bssid);
 		if(bIOTAction)
 			pHTInfo->IOTAction |= HT_IOT_ACT_DISABLE_MCS14;
+		bIOTAction = HTIOTActIsForcedCTS2Self(ieee, pNetwork);
+		if(bIOTAction)
+			pHTInfo->IOTAction |= HT_IOT_ACT_FORCED_CTS2SELF;
 
 		bIOTAction = HTIOTActIsDisableMCS15(ieee);
 		if(bIOTAction)
@@ -1537,6 +1583,9 @@ void HTResetSelfAndSavePeerSetting(struct ieee80211_device* ieee, 	struct ieee80
 		if(bIOTAction)
 			pHTInfo->IOTAction |= HT_IOT_ACT_CDD_FSYNC;
 
+		bIOTAction = HTIOTActIsNullDataPowerSaving(ieee, pNetwork);
+		if(bIOTAction)
+			pHTInfo->IOTAction |= HT_IOT_ACT_NULL_DATA_POWER_SAVING;
 
 	}
 	else
diff --git a/drivers/staging/rtl8192e/ieee80211/rtl819x_TSProc.c b/drivers/staging/rtl8192e/ieee80211/rtl819x_TSProc.c
index 2816b60a08a9..e2cbfd3aa00f 100644
--- a/drivers/staging/rtl8192e/ieee80211/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192e/ieee80211/rtl819x_TSProc.c
@@ -304,7 +304,7 @@ PTS_COMMON_INFO SearchAdmitTRStream(struct ieee80211_device *ieee, u8*	Addr, u8
 		if(search_dir[dir] ==false )
 			continue;
 		list_for_each_entry(pRet, psearch_list, List){
-	//		IEEE80211_DEBUG(IEEE80211_DL_TS, "ADD:"MAC_FMT", TID:%d, dir:%d\n", MAC_ARG(pRet->Addr), pRet->TSpec.f.TSInfo.field.ucTSID, pRet->TSpec.f.TSInfo.field.ucDirection);
+	//		IEEE80211_DEBUG(IEEE80211_DL_TS, "ADD:%pM, TID:%d, dir:%d\n", pRet->Addr, pRet->TSpec.f.TSInfo.field.ucTSID, pRet->TSpec.f.TSInfo.field.ucDirection);
 			if (memcmp(pRet->Addr, Addr, 6) == 0)
 				if (pRet->TSpec.f.TSInfo.field.ucTSID == TID)
 					if(pRet->TSpec.f.TSInfo.field.ucDirection == dir)
@@ -466,7 +466,7 @@ bool GetTs(
 					ResetRxTsEntry(tmp);
 				}
 
-				IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:"MAC_FMT"\n", UP, Dir, MAC_ARG(Addr));
+				IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:%pM\n", UP, Dir, Addr);
 				// Prepare TS Info releated field
 				pTSInfo->field.ucTrafficType = 0;			// Traffic type: WMM is reserved in this field
 				pTSInfo->field.ucTSID = UP;			// TSID
@@ -552,7 +552,7 @@ void RemoveTsEntry(
 void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr)
 {
 	PTS_COMMON_INFO	pTS, pTmpTS;
-	printk("===========>RemovePeerTS,"MAC_FMT"\n", MAC_ARG(Addr));
+	printk("===========>RemovePeerTS,%pM\n", Addr);
 #if 1
 	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
 	{
diff --git a/drivers/staging/rtl8192e/r8180_93cx6.c b/drivers/staging/rtl8192e/r8180_93cx6.c
index 79f7a0f39623..262ed5fd086a 100644
--- a/drivers/staging/rtl8192e/r8180_93cx6.c
+++ b/drivers/staging/rtl8192e/r8180_93cx6.c
@@ -22,7 +22,7 @@
 
 static void eprom_cs(struct net_device *dev, short bit)
 {
-	if(bit)
+	if (bit)
 		write_nic_byte(dev, EPROM_CMD,
 			       (1<<EPROM_CS_SHIFT) | \
 			       read_nic_byte(dev, EPROM_CMD)); //enable EPROM
@@ -38,23 +38,23 @@ static void eprom_cs(struct net_device *dev, short bit)
 static void eprom_ck_cycle(struct net_device *dev)
 {
 	write_nic_byte(dev, EPROM_CMD,
-		       (1<<EPROM_CK_SHIFT) | read_nic_byte(dev,EPROM_CMD));
+		       (1<<EPROM_CK_SHIFT) | read_nic_byte(dev, EPROM_CMD));
 	force_pci_posting(dev);
 	udelay(EPROM_DELAY);
 	write_nic_byte(dev, EPROM_CMD,
-		       read_nic_byte(dev, EPROM_CMD) &~ (1<<EPROM_CK_SHIFT));
+		       read_nic_byte(dev, EPROM_CMD) & ~(1<<EPROM_CK_SHIFT));
 	force_pci_posting(dev);
 	udelay(EPROM_DELAY);
 }
 
 
-static void eprom_w(struct net_device *dev,short bit)
+static void eprom_w(struct net_device *dev, short bit)
 {
-	if(bit)
+	if (bit)
 		write_nic_byte(dev, EPROM_CMD, (1<<EPROM_W_SHIFT) | \
-			       read_nic_byte(dev,EPROM_CMD));
+			       read_nic_byte(dev, EPROM_CMD));
 	else
-		write_nic_byte(dev, EPROM_CMD, read_nic_byte(dev,EPROM_CMD)\
+		write_nic_byte(dev, EPROM_CMD, read_nic_byte(dev, EPROM_CMD)\
 			       &~(1<<EPROM_W_SHIFT));
 
 	force_pci_posting(dev);
@@ -66,10 +66,11 @@ static short eprom_r(struct net_device *dev)
 {
 	short bit;
 
-	bit=(read_nic_byte(dev, EPROM_CMD) & (1<<EPROM_R_SHIFT) );
+	bit = (read_nic_byte(dev, EPROM_CMD) & (1<<EPROM_R_SHIFT));
 	udelay(EPROM_DELAY);
 
-	if(bit) return 1;
+	if (bit)
+		return 1;
 	return 0;
 }
 
@@ -78,7 +79,7 @@ static void eprom_send_bits_string(struct net_device *dev, short b[], int len)
 {
 	int i;
 
-	for(i=0; i<len; i++){
+	for (i = 0; i < len; i++) {
 		eprom_w(dev, b[i]);
 		eprom_ck_cycle(dev);
 	}
@@ -88,37 +89,37 @@ static void eprom_send_bits_string(struct net_device *dev, short b[], int len)
 u32 eprom_read(struct net_device *dev, u32 addr)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
-	short read_cmd[]={1,1,0};
+	short read_cmd[] = {1, 1, 0};
 	short addr_str[8];
 	int i;
 	int addr_len;
 	u32 ret;
 
-	ret=0;
+	ret = 0;
         //enable EPROM programming
 	write_nic_byte(dev, EPROM_CMD,
 		       (EPROM_CMD_PROGRAM<<EPROM_CMD_OPERATING_MODE_SHIFT));
 	force_pci_posting(dev);
 	udelay(EPROM_DELAY);
 
-	if (priv->epromtype==EPROM_93c56){
-		addr_str[7]=addr & 1;
-		addr_str[6]=addr & (1<<1);
-		addr_str[5]=addr & (1<<2);
-		addr_str[4]=addr & (1<<3);
-		addr_str[3]=addr & (1<<4);
-		addr_str[2]=addr & (1<<5);
-		addr_str[1]=addr & (1<<6);
-		addr_str[0]=addr & (1<<7);
-		addr_len=8;
-	}else{
-		addr_str[5]=addr & 1;
-		addr_str[4]=addr & (1<<1);
-		addr_str[3]=addr & (1<<2);
-		addr_str[2]=addr & (1<<3);
-		addr_str[1]=addr & (1<<4);
-		addr_str[0]=addr & (1<<5);
-		addr_len=6;
+	if (priv->epromtype == EPROM_93c56) {
+		addr_str[7] = addr & 1;
+		addr_str[6] = addr & (1<<1);
+		addr_str[5] = addr & (1<<2);
+		addr_str[4] = addr & (1<<3);
+		addr_str[3] = addr & (1<<4);
+		addr_str[2] = addr & (1<<5);
+		addr_str[1] = addr & (1<<6);
+		addr_str[0] = addr & (1<<7);
+		addr_len = 8;
+	} else {
+		addr_str[5] = addr & 1;
+		addr_str[4] = addr & (1<<1);
+		addr_str[3] = addr & (1<<2);
+		addr_str[2] = addr & (1<<3);
+		addr_str[1] = addr & (1<<4);
+		addr_str[0] = addr & (1<<5);
+		addr_len = 6;
 	}
 	eprom_cs(dev, 1);
 	eprom_ck_cycle(dev);
@@ -129,7 +130,7 @@ u32 eprom_read(struct net_device *dev, u32 addr)
 	//I'm unsure if it is necessary, but anyway shouldn't hurt
 	eprom_w(dev, 0);
 
-	for(i=0;i<16;i++){
+	for (i = 0; i < 16; i++) {
 		//eeprom needs a clk cycle between writing opcode&adr
 		//and reading data. (eeprom outs a dummy 0)
 		eprom_ck_cycle(dev);
diff --git a/drivers/staging/rtl8192e/r8180_93cx6.h b/drivers/staging/rtl8192e/r8180_93cx6.h
index 62e14c78e960..4c3f675c6a66 100644
--- a/drivers/staging/rtl8192e/r8180_93cx6.h
+++ b/drivers/staging/rtl8192e/r8180_93cx6.h
@@ -1,17 +1,18 @@
-/*
-	This is part of rtl8187 OpenSource driver
-	Copyright (C) Andrea Merello 2004-2005  <andreamrl@tiscali.it>
-	Released under the terms of GPL (General Public Licence)
-
-	Parts of this driver are based on the GPL part of the official realtek driver
-	Parts of this driver are based on the rtl8180 driver skeleton from Patric Schenke & Andres Salomon
-	Parts of this driver are based on the Intel Pro Wireless 2100 GPL driver
-
-	We want to tanks the Authors of such projects and the Ndiswrapper project Authors.
-*/
-
-/*This files contains card eeprom (93c46 or 93c56) programming routines*/
-/*memory is addressed by WORDS*/
+/* r8180_93cx6.h - 93c46 or 93c56 eeprom card programming routines
+ *
+ * This is part of rtl8187 OpenSource driver
+ * Copyright (C) Andrea Merello 2004-2005  <andreamrl@tiscali.it>
+ * Released under the terms of GPL (General Public Licence)
+ * Parts of this driver are based on the GPL part of the official realtek driver
+ *
+ * Parts of this driver are based on the rtl8180 driver skeleton from
+ * Patric Schenke & Andres Salomon.
+ *
+ * Parts of this driver are based on the Intel Pro Wireless 2100 GPL driver
+ *
+ * We want to thank the authors of the above mentioned projects and to
+ * the authors of the Ndiswrapper project.
+ */
 
 #include "r8192E.h"
 #include "r8192E_hw.h"
@@ -36,5 +37,5 @@
 #define EPROM_TXPW2 0x1b
 #define EPROM_TXPW1 0x3d
 
-
-u32 eprom_read(struct net_device *dev,u32 addr); //reads a 16 bits word
+/* Reads a 16 bits word. */
+u32 eprom_read(struct net_device *dev, u32 addr);
diff --git a/drivers/staging/rtl8192e/r8190_rtl8256.c b/drivers/staging/rtl8192e/r8190_rtl8256.c
index 3d67fbb65b96..1bd054d42f24 100644
--- a/drivers/staging/rtl8192e/r8190_rtl8256.c
+++ b/drivers/staging/rtl8192e/r8190_rtl8256.c
@@ -429,11 +429,12 @@ SetRFPowerState8190(
 	bool bResult = true;
 	//u8 eRFPath;
 	u8	i = 0, QueueID = 0;
-	ptx_ring	head=NULL,tail=NULL;
+	//ptx_ring	head=NULL,tail=NULL;
+	struct rtl8192_tx_ring  *ring = NULL;
 
 	if(priv->SetRFPowerStateInProgress == true)
 		return false;
-	RT_TRACE(COMP_POWER, "===========> SetRFPowerState8190()!\n");
+	//RT_TRACE(COMP_PS, "===========> SetRFPowerState8190()!\n");
 	priv->SetRFPowerStateInProgress = true;
 
 	switch(priv->rf_chip)
@@ -442,11 +443,11 @@ SetRFPowerState8190(
 		switch( eRFPowerState )
 		{
 			case eRfOn:
-				RT_TRACE(COMP_POWER, "SetRFPowerState8190() eRfOn !\n");
+				//RT_TRACE(COMP_PS, "SetRFPowerState8190() eRfOn !\n");
 						//RXTX enable control: On
 					//for(eRFPath = 0; eRFPath <pHalData->NumTotalRFPath; eRFPath++)
-					//	PHY_SetRFReg(Adapter, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x2);
-				#ifdef RTL8190P
+					//	PHY_SetRFReg(dev, (RF90_RADIO_PATH_E)eRFPath, 0x4, 0xC00, 0x2);
+#ifdef RTL8190P
 				if(priv->rf_type == RF_2T4R)
 				{
 					//enable RF-Chip A/B
@@ -479,36 +480,92 @@ SetRFPowerState8190(
 					//analog to digital part2 on
 					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x1800, 0x3); // 0x880[12:11]
 				}
-				#else
-				write_nic_byte(dev, ANAPAR, 0x37);//160MHz
-				write_nic_byte(dev, MacBlkCtrl, 0x17); // 0x403
-				mdelay(1);
-				//enable clock 80/88 MHz
-
-				priv->bHwRfOffAction = 0;
-				//}
-
-				// Baseband reset 2008.09.30 add
-				write_nic_byte(dev, BB_RESET, (read_nic_byte(dev, BB_RESET)|BIT0));
-
-				//2 AFE
-				// 2008.09.30 add
-				rtl8192_setBBreg(dev, rFPGA0_AnalogParameter2, 0x20000000, 0x1); // 0x884
-				//analog to digital part2 on
-					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x3);		// 0x880[6:5]
-				//digital to analog on
-				rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x98, 0x13); // 0x880[4:3]
-				//analog to digital on
-				rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0xf03, 0xf03);// 0x88c[9:8]
-				//rx antenna on
-				//PHY_SetBBReg(Adapter, rOFDM0_TRxPathEnable, 0x3, 0x3);// 0xc04[1:0]
-				//rx antenna on 2008.09.30 mark
-				//PHY_SetBBReg(Adapter, rOFDM1_TRxPathEnable, 0x3, 0x3);// 0xd04[1:0]
-
-				//2 RF
-				//enable RF-Chip A/B
+				else if(priv->rf_type == RF_1T1R)	//RF-C
+				{
+					//enable RF-Chip C/D
+					rtl8192_setBBreg(dev, rFPGA0_XC_RFInterfaceOE, BIT4, 0x1); // 0x868[4]
+					//analog to digital on
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x400, 0x1);// 0x88c[10]
+					//digital to analog on
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x80, 0x1); // 0x880[7]
+					//rx antenna on
+					rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0x4, 0x1);// 0xc04[2]
+					//rx antenna on
+					rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0x4, 0x1);// 0xd04[2]
+					//analog to digital part2 on
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x800, 0x1); // 0x880[11]
+				}
+
+#elif defined RTL8192E
+				// turn on RF
+				if((priv->ieee80211->eRFPowerState == eRfOff) && RT_IN_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC))
+				{ // The current RF state is OFF and the RF OFF level is halting the NIC, re-initialize the NIC.
+					bool rtstatus = true;
+					u32 InitilizeCount = 3;
+					do
+					{
+						InitilizeCount--;
+						priv->RegRfOff = false;
+						rtstatus = NicIFEnableNIC(dev);
+					}while( (rtstatus != true) &&(InitilizeCount >0) );
+
+					if(rtstatus != true)
+					{
+						RT_TRACE(COMP_ERR,"%s():Initialize Adapter fail,return\n",__FUNCTION__);
+						priv->SetRFPowerStateInProgress = false;
+						return false;
+					}
+
+					RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
+				} else {
+					write_nic_byte(dev, ANAPAR, 0x37);//160MHz
+					//write_nic_byte(dev, MacBlkCtrl, 0x17); // 0x403
+					mdelay(1);
+					//enable clock 80/88 MHz
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x4, 0x1); // 0x880[2]
+					priv->bHwRfOffAction = 0;
+					//}
+
+					//RF-A, RF-B
+					//enable RF-Chip A/B
 					rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x1);		// 0x860[4]
-				rtl8192_setBBreg(dev, rFPGA0_XB_RFInterfaceOE, BIT4, 0x1);		// 0x864[4]
+					//analog to digital on
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x300, 0x3);// 0x88c[9:8]
+					//digital to analog on
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x18, 0x3); // 0x880[4:3]
+					//rx antenna on
+					rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0x3, 0x3);// 0xc04[1:0]
+					//rx antenna on
+					rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0x3, 0x3);// 0xd04[1:0]
+					//analog to digital part2 on
+					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x3); 	// 0x880[6:5]
+
+					// Baseband reset 2008.09.30 add
+					//write_nic_byte(dev, BB_RESET, (read_nic_byte(dev, BB_RESET)|BIT0));
+
+				//2 	AFE
+					// 2008.09.30 add
+					//rtl8192_setBBreg(dev, rFPGA0_AnalogParameter2, 0x20000000, 0x1); // 0x884
+					//analog to digital part2 on
+					//rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x3);		// 0x880[6:5]
+
+
+					//digital to analog on
+					//rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x98, 0x13); // 0x880[4:3]
+					//analog to digital on
+					//rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0xf03, 0xf03);// 0x88c[9:8]
+					//rx antenna on
+					//PHY_SetBBReg(dev, rOFDM0_TRxPathEnable, 0x3, 0x3);// 0xc04[1:0]
+					//rx antenna on 2008.09.30 mark
+					//PHY_SetBBReg(dev, rOFDM1_TRxPathEnable, 0x3, 0x3);// 0xd04[1:0]
+
+				//2 	RF
+					//enable RF-Chip A/B
+					//rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x1);		// 0x860[4]
+					//rtl8192_setBBreg(dev, rFPGA0_XB_RFInterfaceOE, BIT4, 0x1);		// 0x864[4]
+
+				}
+
 				#endif
 						break;
 
@@ -517,119 +574,137 @@ SetRFPowerState8190(
 				// By Bruce, 2008-01-16.
 				//
 			case eRfSleep:
-			case eRfOff:
-				RT_TRACE(COMP_POWER, "SetRFPowerState8190() eRfOff/Sleep !\n");
-				if (pPSC->bLeisurePs)
+			{
+				// HW setting had been configured with deeper mode.
+				if(priv->ieee80211->eRFPowerState == eRfOff)
+					break;
+
+				// Update current RF state variable.
+				//priv->ieee80211->eRFPowerState = eRFPowerState;
+
+				//if (pPSC->bLeisurePs)
 				{
 					for(QueueID = 0, i = 0; QueueID < MAX_TX_QUEUE; )
 					{
-						switch(QueueID) {
-							case MGNT_QUEUE:
-								tail=priv->txmapringtail;
-								head=priv->txmapringhead;
+							ring = &priv->tx_ring[QueueID];
+
+							if(skb_queue_len(&ring->queue) == 0)
+							{
+								QueueID++;
+								continue;
+							}
+							else
+							{
+								RT_TRACE((COMP_POWER|COMP_RF), "eRf Off/Sleep: %d times TcbBusyQueue[%d] !=0 before doze!\n", (i+1), QueueID);
+								udelay(10);
+								i++;
+							}
+
+							if(i >= MAX_DOZE_WAITING_TIMES_9x)
+							{
+								RT_TRACE(COMP_POWER, "\n\n\n TimeOut!! SetRFPowerState8190(): eRfOff: %d times TcbBusyQueue[%d] != 0 !!!\n\n\n", MAX_DOZE_WAITING_TIMES_9x, QueueID);
 								break;
+							}
+						}
+				}
 
-							case BK_QUEUE:
-								tail=priv->txbkpringtail;
-								head=priv->txbkpringhead;
+				//if(Adapter->HardwareType == HARDWARE_TYPE_RTL8190P)
+#ifdef RTL8190P
+				{
+					PHY_SetRtl8190pRfOff(dev);
+				}
+				//else if(Adapter->HardwareType == HARDWARE_TYPE_RTL8192E)
+#elif defined RTL8192E
+				{
+					PHY_SetRtl8192eRfOff(dev);
+				}
+#endif
+			}
 								break;
 
-							case BE_QUEUE:
-								tail=priv->txbepringtail;
-								head=priv->txbepringhead;
-								break;
+			case eRfOff:
+				//RT_TRACE(COMP_PS, "SetRFPowerState8190() eRfOff/Sleep !\n");
 
-							case VI_QUEUE:
-								tail=priv->txvipringtail;
-								head=priv->txvipringhead;
-								break;
+				// Update current RF state variable.
+				//priv->ieee80211->eRFPowerState = eRFPowerState;
 
-							case VO_QUEUE:
-								tail=priv->txvopringtail;
-								head=priv->txvopringhead;
-								break;
+				//
+				// Disconnect with Any AP or STA.
+				//
+				for(QueueID = 0, i = 0; QueueID < MAX_TX_QUEUE; )
+				{
+					ring = &priv->tx_ring[QueueID];
 
-							default:
-								tail=head=NULL;
-								break;
-						}
-						if(tail == head)
+					if(skb_queue_len(&ring->queue) == 0)
 						{
-							//DbgPrint("QueueID = %d", QueueID);
 							QueueID++;
 							continue;
 						}
 						else
 						{
-							RT_TRACE(COMP_POWER, "eRf Off/Sleep: %d times BusyQueue[%d] !=0 before doze!\n", (i+1), QueueID);
+							RT_TRACE(COMP_POWER,
+							"eRf Off/Sleep: %d times TcbBusyQueue[%d] !=0 before doze!\n", (i+1), QueueID);
 							udelay(10);
 							i++;
 						}
 
 						if(i >= MAX_DOZE_WAITING_TIMES_9x)
 						{
-							RT_TRACE(COMP_POWER, "\n\n\n TimeOut!! SetRFPowerState8190(): eRfOff: %d times BusyQueue[%d] != 0 !!!\n\n\n", MAX_DOZE_WAITING_TIMES_9x, QueueID);
+							RT_TRACE(COMP_POWER, "\n\n\n SetZebraRFPowerState8185B(): eRfOff: %d times TcbBusyQueue[%d] != 0 !!!\n\n\n", MAX_DOZE_WAITING_TIMES_9x, QueueID);
 							break;
 						}
 					}
+
+				//if(Adapter->HardwareType == HARDWARE_TYPE_RTL8190P)
+#if defined RTL8190P
+				{
+					PHY_SetRtl8190pRfOff(dev);
 				}
-				#ifdef RTL8190P
-				if(priv->rf_type == RF_2T4R)
+				//else if(Adapter->HardwareType == HARDWARE_TYPE_RTL8192E)
+#elif defined RTL8192E
 				{
-					//disable RF-Chip A/B
-					rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);		// 0x860[4]
+					//if(pPSC->RegRfPsLevel & RT_RF_OFF_LEVL_HALT_NIC && !RT_IN_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC) && priv->ieee80211->RfOffReason > RF_CHANGE_BY_PS)
+					if (pPSC->RegRfPsLevel & RT_RF_OFF_LEVL_HALT_NIC && !RT_IN_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC))
+					{ // Disable all components.
+						//
+						// Note:
+						//	NicIFSetLinkStatus is a big problem when we indicate the status to OS,
+						//	the OS(XP) will reset. But now, we cnnot find why the NIC is hard to receive
+						//	packets after RF ON. Just keep this function here and still work to find out the root couse.
+						//	By Bruce, 2009-05-01.
+						//
+						//NicIFSetLinkStatus( Adapter, RT_MEDIA_DISCONNECT );
+						//if HW radio of , need to indicate scan complete first for not be reset.
+						//if(MgntScanInProgress(pMgntInfo))
+						//	MgntResetScanProcess( Adapter );
+
+						// <1> Disable Interrupt
+						//rtl8192_irq_disable(dev);
+						// <2> Stop all timer
+						//MgntCancelAllTimer(Adapter);
+						// <3> Disable Adapter
+						//NicIFHaltAdapter(Adapter, false);
+						NicIFDisableNIC(dev);
+						RT_SET_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
+					}
+					else if (!(pPSC->RegRfPsLevel & RT_RF_OFF_LEVL_HALT_NIC))
+					{ // Normal case.
+				  		// IPS should go to this.
+						PHY_SetRtl8192eRfOff(dev);
+					}
+				}
+#else
+				else
+				{
+					RT_TRACE(COMP_DBG,DBG_TRACE,("It is not 8190Pci and 8192PciE \n"));
 				}
-				//disable RF-Chip C/D
-				rtl8192_setBBreg(dev, rFPGA0_XC_RFInterfaceOE, BIT4, 0x0); // 0x868[4]
-				//analog to digital off, for power save
-				rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0xf00, 0x0);// 0x88c[11:8]
-				//digital to analog off, for power save
-				rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x1e0, 0x0); // 0x880[8:5]
-				//rx antenna off
-				rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0xf, 0x0);// 0xc04[3:0]
-				//rx antenna off
-				rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0xf, 0x0);// 0xd04[3:0]
-				//analog to digital part2 off, for power save
-				rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x1e00, 0x0); // 0x880[12:9]
-#else //8192E
-					//2 RF
-				//disable RF-Chip A/B
-				rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);		// 0x860[4]
-					rtl8192_setBBreg(dev, rFPGA0_XB_RFInterfaceOE, BIT4, 0x0);		// 0x864[4]
-					//2 AFE
-				//analog to digital off, for power save
-					//PHY_SetBBReg(Adapter, rFPGA0_AnalogParameter4, 0xf00, 0x0);// 0x88c[11:8]
-					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0xf03, 0x0); //  2008.09.30 Modify
-				//digital to analog off, for power save
-					//PHY_SetBBReg(Adapter, rFPGA0_AnalogParameter1, 0x18, 0x0); // 0x880[4:3]
-					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x98, 0x0); // 0x880 2008.09.30 Modify
-					//rx antenna off  2008.09.30 mark
-					//PHY_SetBBReg(Adapter, rOFDM0_TRxPathEnable, 0xf, 0x0);// 0xc04[3:0]
-					//rx antenna off  2008.09.30 mark
-					//PHY_SetBBReg(Adapter, rOFDM1_TRxPathEnable, 0xf, 0x0);// 0xd04[3:0]
-				//analog to digital part2 off, for power save
-					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x0);		// 0x880[6:5]
-					// 2008.09.30 add
-					rtl8192_setBBreg(dev, rFPGA0_AnalogParameter2, 0x20000000, 0x0); // 0x884
-
-
-					//disable clock 80/88 MHz 2008.09.30 mark
-					//PHY_SetBBReg(Adapter, rFPGA0_AnalogParameter1, 0x4, 0x0); // 0x880[2]
-					//2 BB
-					// Baseband reset 2008.09.30 add
-					write_nic_byte(dev, BB_RESET, (read_nic_byte(dev, BB_RESET)|BIT0)); // 0x101
-					//MAC: off
-					write_nic_byte(dev, MacBlkCtrl, 0x0); // 0x403
-					//slow down cpu/lbus clock from 160MHz to Lower
-					write_nic_byte(dev, ANAPAR, 0x07); // 0x 17 40MHz
-				priv->bHwRfOffAction = 0;
-				//}
 				#endif
+
 					break;
 
 			default:
 					bResult = false;
-					RT_TRACE(COMP_ERR, "SetRFPowerState8190(): unknown state to set: 0x%X!!!\n", eRFPowerState);
+					RT_TRACE(COMP_ERR, "SetRFPowerState8190(): unknow state to set: 0x%X!!!\n", eRFPowerState);
 					break;
 		}
 
@@ -644,64 +719,11 @@ SetRFPowerState8190(
 	{
 		// Update current RF state variable.
 		priv->ieee80211->eRFPowerState = eRFPowerState;
-
-		switch(priv->rf_chip )
-		{
-			case RF_8256:
-			switch(priv->ieee80211->eRFPowerState)
-			{
-				case eRfOff:
-				//
-				//If Rf off reason is from IPS, Led should blink with no link, by Maddest 071015
-				//
-					if(priv->ieee80211->RfOffReason==RF_CHANGE_BY_IPS )
-					{
-						#ifdef TO_DO
-						Adapter->HalFunc.LedControlHandler(Adapter,LED_CTL_NO_LINK);
-						#endif
-					}
-					else
-					{
-					// Turn off LED if RF is not ON.
-						#ifdef TO_DO
-						Adapter->HalFunc.LedControlHandler(Adapter, LED_CTL_POWER_OFF);
-						#endif
-					}
-					break;
-
-				case eRfOn:
-				// Turn on RF we are still linked, which might happen when
-				// we quickly turn off and on HW RF. 2006.05.12, by rcnjko.
-					if( priv->ieee80211->state == IEEE80211_LINKED)
-					{
-						#ifdef TO_DO
-						Adapter->HalFunc.LedControlHandler(Adapter, LED_CTL_LINK);
-						#endif
-					}
-					else
-					{
-					// Turn off LED if RF is not ON.
-						#ifdef TO_DO
-						Adapter->HalFunc.LedControlHandler(Adapter, LED_CTL_NO_LINK);
-						#endif
-					}
-					break;
-
-				default:
-			// do nothing.
-					break;
-			}// Switch RF state
-
-			break;
-
-			default:
-				RT_TRACE(COMP_ERR, "SetRFPowerState8190(): Unknown RF type\n");
-				break;
-		}// Switch RFChipID
 	}
 
+	//printk("%s()priv->ieee80211->eRFPowerState:%s\n" ,__func__,priv->ieee80211->eRFPowerState == eRfOn ? "On" : "Off");
 	priv->SetRFPowerStateInProgress = false;
-	RT_TRACE(COMP_POWER, "<=========== SetRFPowerState8190() bResult = %d!\n", bResult);
+	//RT_TRACE(COMP_PS, "<=========== SetRFPowerState8190() bResult = %d!\n", bResult);
 	return bResult;
 }
 
diff --git a/drivers/staging/rtl8192e/r8190_rtl8256.h b/drivers/staging/rtl8192e/r8190_rtl8256.h
index 7d9095a70aec..ce49c606521a 100644
--- a/drivers/staging/rtl8192e/r8190_rtl8256.h
+++ b/drivers/staging/rtl8192e/r8190_rtl8256.h
@@ -1,28 +1,33 @@
-/*
-  This is part of the rtl8180-sa2400 driver
-  released under the GPL (See file COPYING for details).
-  Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it>
+/* r8190_rtl8256.h - rtl8256 radio frontend
+ *
+ * This is part of the rtl8180-sa2400 driver
+ * released under the GPL (See file COPYING for details).
+ * Copyright (c) 2005 Andrea Merello <andreamrl@tiscali.it>
+ *
+ * Many thanks to Realtek Corp. for their great support!
+ */
 
-  This files contains programming code for the rtl8256
-  radio frontend.
-
-  *Many* thanks to Realtek Corp. for their great support!
-
-*/
-
-#ifndef RTL8225H
-#define RTL8225H
+#ifndef RTL8225_H
+#define RTL8225_H
 
 #ifdef RTL8190P
-#define RTL819X_TOTAL_RF_PATH	4
+#define RTL819X_TOTAL_RF_PATH 4
 #else
-#define RTL819X_TOTAL_RF_PATH 2 //for 8192E
+#define RTL819X_TOTAL_RF_PATH 2 /* for 8192E */
 #endif
-extern void PHY_SetRF8256Bandwidth(struct net_device* dev , HT_CHANNEL_WIDTH Bandwidth);
-extern RT_STATUS PHY_RF8256_Config(struct net_device* dev);
-extern RT_STATUS phy_RF8256_Config_ParaFile(struct net_device* dev);
-extern void PHY_SetRF8256CCKTxPower(struct net_device*	dev, u8	powerlevel);
-extern void PHY_SetRF8256OFDMTxPower(struct net_device* dev, u8 powerlevel);
-extern bool MgntActSet_RF_State(struct net_device* dev, RT_RF_POWER_STATE StateToSet, RT_RF_CHANGE_SOURCE ChangeSource);
 
-#endif
+extern void PHY_SetRF8256Bandwidth(struct net_device *dev,
+				   HT_CHANNEL_WIDTH Bandwidth);
+
+extern RT_STATUS PHY_RF8256_Config(struct net_device *dev);
+
+extern RT_STATUS phy_RF8256_Config_ParaFile(struct net_device *dev);
+
+extern void PHY_SetRF8256CCKTxPower(struct net_device *dev, u8 powerlevel);
+extern void PHY_SetRF8256OFDMTxPower(struct net_device *dev, u8 powerlevel);
+
+extern bool MgntActSet_RF_State(struct net_device *dev,
+				RT_RF_POWER_STATE StateToSet,
+				RT_RF_CHANGE_SOURCE ChangeSource);
+
+#endif /* RTL8225_H */
diff --git a/drivers/staging/rtl8192e/r8192E.h b/drivers/staging/rtl8192e/r8192E.h
index 61b6f250b917..f4be9cc11005 100644
--- a/drivers/staging/rtl8192e/r8192E.h
+++ b/drivers/staging/rtl8192e/r8192E.h
@@ -39,7 +39,7 @@
 #include <linux/random.h>
 #include <linux/version.h>
 #include <asm/io.h>
-#include "ieee80211.h"
+#include "ieee80211/ieee80211.h"
 
 
 
@@ -1003,6 +1003,11 @@ typedef struct r8192_priv
 	int irq;
 	short irq_enabled;
 	struct ieee80211_device *ieee80211;
+#ifdef ENABLE_LPS
+	bool ps_force;
+	bool force_lps;
+	bool bdisable_nic;
+#endif
 	bool being_init_adapter;
 	u8 Rf_Mode;
 	short card_8192; /* O: rtl8192, 1:rtl8185 V B/C, 2:rtl8185 V D */
@@ -1477,7 +1482,7 @@ void write_nic_word(struct net_device *dev, int x,u16 y);
 void write_nic_dword(struct net_device *dev, int x,u32 y);
 void force_pci_posting(struct net_device *dev);
 
-void rtl8192_rtx_disable(struct net_device *);
+void rtl8192_halt_adapter(struct net_device *dev, bool reset);
 void rtl8192_rx_enable(struct net_device *);
 void rtl8192_tx_enable(struct net_device *);
 
@@ -1512,5 +1517,19 @@ short rtl8192_is_tx_queue_empty(struct net_device *dev);
 #ifdef ENABLE_IPS
 void IPSEnter(struct net_device *dev);
 void IPSLeave(struct net_device *dev);
+void InactivePsWorkItemCallback(struct net_device *dev);
+void IPSLeave_wq(void *data);
+void ieee80211_ips_leave_wq(struct net_device *dev);
+void ieee80211_ips_leave(struct net_device *dev);
+#endif
+#ifdef ENABLE_LPS
+void LeisurePSEnter(struct net_device *dev);
+void LeisurePSLeave(struct net_device *dev);
 #endif
+
+bool NicIFEnableNIC(struct net_device* dev);
+bool NicIFDisableNIC(struct net_device* dev);
+
+void rtl8192_irq_disable(struct net_device *dev);
+void PHY_SetRtl8192eRfOff(struct net_device* dev);
 #endif
diff --git a/drivers/staging/rtl8192e/r8192E_core.c b/drivers/staging/rtl8192e/r8192E_core.c
index 0ca5d8b4f746..886105db8b7c 100644
--- a/drivers/staging/rtl8192e/r8192E_core.c
+++ b/drivers/staging/rtl8192e/r8192E_core.c
@@ -66,7 +66,7 @@
 #endif
 
 #ifdef ENABLE_DOT11D
-#include "dot11d.h"
+#include "ieee80211/dot11d.h"
 #endif
 
 //set here to open your trace code. //WB
@@ -75,7 +75,7 @@ u32 rt_global_debug_component = \
 			//	COMP_EPROM   	|
 		//		COMP_PHY	|
 		//		COMP_RF		|
-				COMP_FIRMWARE	|
+//				COMP_FIRMWARE	|
 			//	COMP_TRACE	|
 		//		COMP_DOWN	|
 		//		COMP_SWBW	|
@@ -343,6 +343,141 @@ void write_nic_word(struct net_device *dev, int x,u16 y)
 
 #endif /* RTL_IO_MAP */
 
+u8 rtl8192e_ap_sec_type(struct ieee80211_device *ieee)
+{
+	//struct r8192_priv* priv = ieee80211_priv(dev);
+	//struct ieee80211_device *ieee = priv->ieee80211;
+
+	static u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
+	static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
+	int wpa_ie_len= ieee->wpa_ie_len;
+	struct ieee80211_crypt_data* crypt;
+	int encrypt;
+
+	crypt = ieee->crypt[ieee->tx_keyidx];
+
+	encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) ||\
+		  (ieee->host_encrypt && crypt && crypt->ops && \
+		   (0 == strcmp(crypt->ops->name,"WEP")));
+
+	/* simply judge  */
+	if(encrypt && (wpa_ie_len == 0)) {
+		// wep encryption, no N mode setting */
+		return SEC_ALG_WEP;
+	} else if((wpa_ie_len != 0)) {
+		// parse pairwise key type */
+		if (((ieee->wpa_ie[0] == 0xdd) && (!memcmp(&(ieee->wpa_ie[14]),ccmp_ie,4))) ||
+				((ieee->wpa_ie[0] == 0x30) && (!memcmp(&ieee->wpa_ie[10],ccmp_rsn_ie, 4))))
+			return SEC_ALG_CCMP;
+		else
+			return SEC_ALG_TKIP;
+	} else {
+		return SEC_ALG_NONE;
+	}
+}
+
+void
+rtl8192e_SetHwReg(struct net_device *dev,u8 variable,u8* val)
+{
+	struct r8192_priv* priv = ieee80211_priv(dev);
+
+	switch(variable)
+	{
+
+		case HW_VAR_BSSID:
+			write_nic_dword(dev, BSSIDR, ((u32*)(val))[0]);
+			write_nic_word(dev, BSSIDR+2, ((u16*)(val+2))[0]);
+		break;
+
+		case HW_VAR_MEDIA_STATUS:
+		{
+			RT_OP_MODE	OpMode = *((RT_OP_MODE *)(val));
+			//LED_CTL_MODE	LedAction = LED_CTL_NO_LINK;
+			u8		btMsr = read_nic_byte(dev, MSR);
+
+			btMsr &= 0xfc;
+
+			switch(OpMode)
+			{
+			case RT_OP_MODE_INFRASTRUCTURE:
+				btMsr |= MSR_INFRA;
+				//LedAction = LED_CTL_LINK;
+				break;
+
+			case RT_OP_MODE_IBSS:
+				btMsr |= MSR_ADHOC;
+				// led link set seperate
+				break;
+
+			case RT_OP_MODE_AP:
+				btMsr |= MSR_AP;
+				//LedAction = LED_CTL_LINK;
+				break;
+
+			default:
+				btMsr |= MSR_NOLINK;
+				break;
+			}
+
+			write_nic_byte(dev, MSR, btMsr);
+
+			//priv->ieee80211->LedControlHandler(dev, LedAction);
+		}
+		break;
+
+		case HW_VAR_CECHK_BSSID:
+		{
+			u32	RegRCR, Type;
+
+			Type = ((u8*)(val))[0];
+			//priv->ieee80211->GetHwRegHandler(dev, HW_VAR_RCR, (u8*)(&RegRCR));
+			RegRCR = read_nic_dword(dev,RCR);
+			priv->ReceiveConfig = RegRCR;
+
+			if (Type == true)
+				RegRCR |= (RCR_CBSSID);
+			else if (Type == false)
+				RegRCR &= (~RCR_CBSSID);
+
+			//priv->ieee80211->SetHwRegHandler( dev, HW_VAR_RCR, (u8*)(&RegRCR) );
+			write_nic_dword(dev, RCR,RegRCR);
+			priv->ReceiveConfig = RegRCR;
+
+		}
+		break;
+
+		case HW_VAR_SLOT_TIME:
+		{
+			//PSTA_QOS	pStaQos = Adapter->MgntInfo.pStaQos;
+			//AC_CODING	eACI;
+
+			priv->slot_time = val[0];
+			write_nic_byte(dev, SLOT_TIME, val[0]);
+
+		}
+		break;
+
+		case HW_VAR_ACK_PREAMBLE:
+		{
+			u32 regTmp = 0;
+			priv->short_preamble = (bool)(*(u8*)val );
+			regTmp = priv->basic_rate;
+			if (priv->short_preamble)
+				regTmp |= BRSR_AckShortPmb;
+			write_nic_dword(dev, RRSR, regTmp);
+		}
+		break;
+
+		case HW_VAR_CPU_RST:
+			write_nic_dword(dev, CPU_GEN, ((u32*)(val))[0]);
+		break;
+
+		default:
+		break;
+	}
+
+}
+
 
 ///////////////////////////////////////////////////////////
 
@@ -365,11 +500,6 @@ void rtl8192_restart(struct work_struct *work);
 //void rtl8192_rq_tx_ack(struct work_struct *work);
 
 void watch_dog_timer_callback(unsigned long data);
-#ifdef ENABLE_IPS
-void IPSEnter(struct net_device *dev);
-void IPSLeave(struct net_device *dev);
-void InactivePsWorkItemCallback(struct net_device *dev);
-#endif
 /****************************************************************************
    -----------------------------PROCFS STUFF-------------------------
 *****************************************************************************/
@@ -707,7 +837,7 @@ static void rtl8192_irq_enable(struct net_device *dev)
 }
 
 
-static void rtl8192_irq_disable(struct net_device *dev)
+void rtl8192_irq_disable(struct net_device *dev)
 {
 	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
 
@@ -717,6 +847,7 @@ static void rtl8192_irq_disable(struct net_device *dev)
 }
 
 
+#if 0
 static void rtl8192_set_mode(struct net_device *dev,int mode)
 {
 	u8 ecmd;
@@ -727,7 +858,7 @@ static void rtl8192_set_mode(struct net_device *dev,int mode)
 	ecmd=ecmd &~ (1<<EPROM_CK_SHIFT);
 	write_nic_byte(dev, EPROM_CMD, ecmd);
 }
-
+#endif
 
 void rtl8192_update_msr(struct net_device *dev)
 {
@@ -861,7 +992,7 @@ static void rtl8192_free_tx_ring(struct net_device *dev, unsigned int prio)
     ring->desc = NULL;
 }
 
-
+#if 0
 static void rtl8192_beacon_disable(struct net_device *dev)
 {
 	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
@@ -873,38 +1004,116 @@ static void rtl8192_beacon_disable(struct net_device *dev)
 	reg &= ~(IMR_BcnInt | IMR_BcnInt | IMR_TBDOK | IMR_TBDER);
 	write_nic_dword(priv->ieee80211->dev, INTA_MASK, reg);
 }
+#endif
+
+void PHY_SetRtl8192eRfOff(struct net_device* dev	)
+{
+	//struct r8192_priv *priv = ieee80211_priv(dev);
+
+	//disable RF-Chip A/B
+	rtl8192_setBBreg(dev, rFPGA0_XA_RFInterfaceOE, BIT4, 0x0);
+	//analog to digital off, for power save
+	rtl8192_setBBreg(dev, rFPGA0_AnalogParameter4, 0x300, 0x0);
+	//digital to analog off, for power save
+	rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x18, 0x0);
+	//rx antenna off
+	rtl8192_setBBreg(dev, rOFDM0_TRxPathEnable, 0xf, 0x0);
+	//rx antenna off
+	rtl8192_setBBreg(dev, rOFDM1_TRxPathEnable, 0xf, 0x0);
+	//analog to digital part2 off, for power save
+	rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x60, 0x0);
+	rtl8192_setBBreg(dev, rFPGA0_AnalogParameter1, 0x4, 0x0);
+	// Analog parameter!!Change bias and Lbus control.
+	write_nic_byte(dev, ANAPAR_FOR_8192PciE, 0x07);
+
+}
 
-void rtl8192_rtx_disable(struct net_device *dev)
+void rtl8192_halt_adapter(struct net_device *dev, bool reset)
 {
-	u8 cmd;
+	//u8 	cmd;
 	struct r8192_priv *priv = ieee80211_priv(dev);
-        int i;
+	int i;
+	u8	OpMode;
+	u8	u1bTmp;
+	u32	ulRegRead;
+
+	OpMode = RT_OP_MODE_NO_LINK;
+	priv->ieee80211->SetHwRegHandler(dev, HW_VAR_MEDIA_STATUS, &OpMode);
 
+#if 1
+	if(!priv->ieee80211->bSupportRemoteWakeUp)
+	{
+		u1bTmp = 0x0;	// disable tx/rx. In 8185 we write 0x10 (Reset bit), but here we make reference to WMAC and wirte 0x0. 2006.11.21 Emily
+		//priv->ieee80211->SetHwRegHandler(dev, HW_VAR_COMMAND, &u1bTmp );	// Using HW_VAR_COMMAND instead of writing CMDR directly. Rewrited by Annie, 2006-04-07.
+		write_nic_byte(dev, CMDR, u1bTmp);
+	}
+#else
 	cmd=read_nic_byte(dev,CMDR);
-//	if(!priv->ieee80211->bSupportRemoteWakeUp) {
-		write_nic_byte(dev, CMDR, cmd &~ \
-				(CR_TE|CR_RE));
-//	}
-	force_pci_posting(dev);
-	mdelay(30);
+	write_nic_byte(dev, CMDR, cmd &~ (CR_TE|CR_RE));
+#endif
 
-        for(i = 0; i < MAX_QUEUE_SIZE; i++) {
-                skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
-        }
-        for(i = 0; i < MAX_QUEUE_SIZE; i++) {
-                skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
-        }
+	mdelay(20);
 
+	if(!reset)
+	{
+		//PlatformStallExecution(150000);
+		mdelay(150);
+
+#ifdef RTL8192E
+			priv->bHwRfOffAction = 2;
+#endif
+
+		//
+		// Call MgntActSet_RF_State instead to prevent RF config race condition.
+		// By Bruce, 2008-01-17.
+		//
+		if(!priv->ieee80211->bSupportRemoteWakeUp)
+		{
+			//MgntActSet_RF_State(Adapter, eRfOff, RF_CHANGE_BY_INIT);
+			//MgntActSet_RF_State(Adapter, eRfOff, Adapter->MgntInfo.RfOffReason);
+			//if(Adapter->HardwareType == HARDWARE_TYPE_RTL8190P)
+
+			PHY_SetRtl8192eRfOff(dev);
+
+			// 2006.11.30. System reset bit
+			//priv->ieee80211->GetHwRegHandler(dev, HW_VAR_CPU_RST, (u32*)(&ulRegRead) );
+			ulRegRead = read_nic_dword(dev,CPU_GEN);
+			ulRegRead|=CPU_GEN_SYSTEM_RESET;
+			//priv->ieee80211->SetHwRegHandler(dev, HW_VAR_CPU_RST, &ulRegRead);
+			write_nic_dword(dev,CPU_GEN, ulRegRead);
+		}
+	 	else
+		{
+			//2008.06.03 for WOL
+			write_nic_dword(dev, WFCRC0, 0xffffffff);
+			write_nic_dword(dev, WFCRC1, 0xffffffff);
+			write_nic_dword(dev, WFCRC2, 0xffffffff);
+
+			//Write PMR register
+			write_nic_byte(dev, PMR, 0x5);
+			//Disable tx, enanble rx
+			write_nic_byte(dev, MacBlkCtrl, 0xa);
+		}
+	}
+
+	for(i = 0; i < MAX_QUEUE_SIZE; i++) {
+		skb_queue_purge(&priv->ieee80211->skb_waitQ [i]);
+	}
+	for(i = 0; i < MAX_QUEUE_SIZE; i++) {
+		skb_queue_purge(&priv->ieee80211->skb_aggQ [i]);
+	}
 
 	skb_queue_purge(&priv->skb_queue);
 	return;
 }
 
+#if 0
 static void rtl8192_reset(struct net_device *dev)
 {
     rtl8192_irq_disable(dev);
     printk("This is RTL819xP Reset procedure\n");
 }
+#endif
 
 static u16 rtl_rate[] = {10,20,55,110,60,90,120,180,240,360,480,540};
 inline u16 rtl8192_rate2rate(short rate)
@@ -954,6 +1163,12 @@ static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
 	/* shall not be referred by command packet */
 	assert(queue_index != TXCMD_QUEUE);
 
+	if((priv->bHwRadioOff == true)||(!priv->up))
+	{
+		kfree_skb(skb);
+		return;
+	}
+
 	//spin_lock_irqsave(&priv->tx_lock,flags);
 
         memcpy((unsigned char *)(skb->cb),&dev,sizeof(dev));
@@ -996,6 +1211,13 @@ static int rtl8192_hard_start_xmit(struct sk_buff *skb,struct net_device *dev)
         cb_desc *tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
         u8 queue_index = tcb_desc->queue_index;
 
+        if(queue_index != TXCMD_QUEUE){
+		if((priv->bHwRadioOff == true)||(!priv->up))
+		{
+               	 	kfree_skb(skb);
+                	return 0;
+            	}
+        }
 
 	//spin_lock_irqsave(&priv->tx_lock,flags);
 
@@ -1379,6 +1601,15 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
     u8*   pda_addr = NULL;
     int   idx;
 
+    if(priv->bdisable_nic){
+       	RT_TRACE(COMP_ERR,"%s: ERR!! Nic is disabled! Can't tx packet len=%d qidx=%d!!!\n", __FUNCTION__, skb->len, tcb_desc->queue_index);
+		return skb->len;
+    }
+
+#ifdef ENABLE_LPS
+	priv->ieee80211->bAwakePktSent = true;
+#endif
+
     mapping = pci_map_single(priv->pdev, skb->data, skb->len, PCI_DMA_TODEVICE);
     /* collect the tx packets statitcs */
     pda_addr = ((u8*)skb->data) + sizeof(TX_FWINFO_8190PCI);
@@ -1481,6 +1712,7 @@ short rtl8192_tx(struct net_device *dev, struct sk_buff* skb)
     if((pdesc->OWN == 1) && (tcb_desc->queue_index != BEACON_QUEUE)) {
 	    RT_TRACE(COMP_ERR,"No more TX desc@%d, ring->idx = %d,idx = %d,%x", \
 			    tcb_desc->queue_index,ring->idx, idx,skb->len);
+	    spin_unlock_irqrestore(&priv->irq_th_lock,flags);
 	    return skb->len;
     }
 
@@ -1575,7 +1807,7 @@ static short rtl8192_alloc_rx_desc_ring(struct net_device *dev)
             return 0;
         priv->rx_buf[i] = skb;
         mapping = (dma_addr_t *)skb->cb;
-        *mapping = pci_map_single(priv->pdev, skb->tail,//skb_tail_pointer(skb),
+        *mapping = pci_map_single(priv->pdev, skb_tail_pointer(skb),
                 priv->rxbuffersize, PCI_DMA_FROMDEVICE);
 
         entry->BufferAddress = cpu_to_le32(*mapping);
@@ -1779,7 +2011,7 @@ static void rtl8192_qos_activate(struct work_struct * work)
 				(((u32)(qos_parameters->cw_max[i]))<< AC_PARAM_ECW_MAX_OFFSET)|
 				(((u32)(qos_parameters->cw_min[i]))<< AC_PARAM_ECW_MIN_OFFSET)|
 				((u32)u1bAIFS << AC_PARAM_AIFS_OFFSET));
-		printk("===>u4bAcParam:%x, ", u4bAcParam);
+		//printk("===>u4bAcParam:%x, ", u4bAcParam);
 		write_nic_dword(dev, WDCAPARA_ADD[i], u4bAcParam);
 		//write_nic_dword(dev, WDCAPARA_ADD[i], 0x005e4332);
 	}
@@ -1964,11 +2196,24 @@ void rtl8192_update_ratr_table(struct net_device* dev)
 	write_nic_byte(dev, UFWP, 1);
 }
 
+#if 0
 static u8 ccmp_ie[4] = {0x00,0x50,0xf2,0x04};
 static u8 ccmp_rsn_ie[4] = {0x00, 0x0f, 0xac, 0x04};
+#endif
+
 static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
 {
 #if 1
+
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	struct ieee80211_device *ieee = priv->ieee80211;
+	if (ieee->rtllib_ap_sec_type &&
+	   (ieee->rtllib_ap_sec_type(ieee)&(SEC_ALG_WEP|SEC_ALG_TKIP))) {
+		return false;
+	} else {
+		return true;
+	}
+#else
 	struct r8192_priv* priv = ieee80211_priv(dev);
 	struct ieee80211_device* ieee = priv->ieee80211;
         int wpa_ie_len= ieee->wpa_ie_len;
@@ -1995,18 +2240,6 @@ static bool GetNmodeSupportBySecCfg8190Pci(struct net_device*dev)
 		return true;
 	}
 
-#if 0
-        //In here we discuss with SD4 David. He think we still can send TKIP in broadcast group key in MCS rate.
-        //We can't force in G mode if Pairwie key is AES and group key is TKIP
-        if((pSecInfo->GroupEncAlgorithm == WEP104_Encryption) || (pSecInfo->GroupEncAlgorithm == WEP40_Encryption)  ||
-           (pSecInfo->PairwiseEncAlgorithm == WEP104_Encryption) ||
-           (pSecInfo->PairwiseEncAlgorithm == WEP40_Encryption) || (pSecInfo->PairwiseEncAlgorithm == TKIP_Encryption))
-        {
-                return  false;
-        }
-        else
-                return true;
-#endif
 	return true;
 #endif
 }
@@ -2080,7 +2313,7 @@ static void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
 			wireless_mode = WIRELESS_MODE_B;
 		}
 	}
-#ifdef TO_DO_LIST //// TODO: this function doesn't work well at this time, we shoud wait for FPGA
+#ifdef TO_DO_LIST //// TODO: this function doesn't work well at this time, we should wait for FPGA
 	ActUpdateChannelAccessSetting( pAdapter, pHalData->CurrentWirelessMode, &pAdapter->MgntInfo.Info8185.ChannelAccessSetting );
 #endif
 	priv->ieee80211->mode = wireless_mode;
@@ -2127,7 +2360,19 @@ short rtl8192_is_tx_queue_empty(struct net_device *dev)
 }
 static void rtl8192_hw_sleep_down(struct net_device *dev)
 {
-	RT_TRACE(COMP_POWER, "%s()============>come to sleep down\n", __FUNCTION__);
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	unsigned long flags = 0;
+
+	spin_lock_irqsave(&priv->rf_ps_lock,flags);
+	if (priv->RFChangeInProgress) {
+		spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
+		RT_TRACE(COMP_RF, "rtl8192_hw_sleep_down(): RF Change in progress! \n");
+		printk("rtl8192_hw_sleep_down(): RF Change in progress!\n");
+		return;
+	}
+	spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
+	//RT_TRACE(COMP_PS, "%s()============>come to sleep down\n", __FUNCTION__);
+
 	MgntActSet_RF_State(dev, eRfSleep, RF_CHANGE_BY_PS);
 }
 static void rtl8192_hw_sleep_wq (struct work_struct *work)
@@ -2138,21 +2383,29 @@ static void rtl8192_hw_sleep_wq (struct work_struct *work)
         struct delayed_work *dwork = container_of(work,struct delayed_work,work);
         struct ieee80211_device *ieee = container_of(dwork,struct ieee80211_device,hw_sleep_wq);
         struct net_device *dev = ieee->dev;
-	//printk("=========>%s()\n", __FUNCTION__);
+
         rtl8192_hw_sleep_down(dev);
 }
-//	printk("dev is %d\n",dev);
-//	printk("&*&(^*(&(&=========>%s()\n", __FUNCTION__);
+
 static void rtl8192_hw_wakeup(struct net_device* dev)
 {
-//	u32 flags = 0;
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	unsigned long flags = 0;
+
+	spin_lock_irqsave(&priv->rf_ps_lock,flags);
+	if (priv->RFChangeInProgress) {
+		spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
+		RT_TRACE(COMP_RF, "rtl8192_hw_wakeup(): RF Change in progress! \n");
+		printk("rtl8192_hw_wakeup(): RF Change in progress! schedule wake up task again\n");
+		queue_delayed_work(priv->ieee80211->wq,&priv->ieee80211->hw_wakeup_wq,MSECS(10));//PowerSave is not supported if kernel version is below 2.6.20
+		return;
+	}
+	spin_unlock_irqrestore(&priv->rf_ps_lock,flags);
 
-//	spin_lock_irqsave(&priv->ps_lock,flags);
-	RT_TRACE(COMP_POWER, "%s()============>come to wake up\n", __FUNCTION__);
+	//RT_TRACE(COMP_PS, "%s()============>come to wake up\n", __FUNCTION__);
 	MgntActSet_RF_State(dev, eRfOn, RF_CHANGE_BY_PS);
-	//FIXME: will we send package stored while nic is sleep?
-//	spin_unlock_irqrestore(&priv->ps_lock,flags);
 }
+
 void rtl8192_hw_wakeup_wq (struct work_struct *work)
 {
 //	struct r8180_priv *priv = container_of(work, struct r8180_priv, watch_dog_wq);
@@ -2169,7 +2422,6 @@ void rtl8192_hw_wakeup_wq (struct work_struct *work)
 #define MAX_SLEEP_TIME 10000
 static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
 {
-
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
 	u32 rb = jiffies;
@@ -2177,58 +2429,55 @@ static void rtl8192_hw_to_sleep(struct net_device *dev, u32 th, u32 tl)
 
 	spin_lock_irqsave(&priv->ps_lock,flags);
 
-	/* Writing HW register with 0 equals to disable
-	 * the timer, that is not really what we want
-	 */
-	tl -= MSECS(4+16+7);
-
-	//if(tl == 0) tl = 1;
-
-	/* FIXME HACK FIXME HACK */
-//	force_pci_posting(dev);
-	//mdelay(1);
-
-//	rb = read_nic_dword(dev, TSFTR);
+	// Writing HW register with 0 equals to disable
+	// the timer, that is not really what we want
+	//
+	tl -= MSECS(8+16+7);
 
-	/* If the interval in witch we are requested to sleep is too
-	 * short then give up and remain awake
-	 */
+	// If the interval in witch we are requested to sleep is too
+	// short then give up and remain awake
+	// when we sleep after send null frame, the timer will be too short to sleep.
+	//
 	if(((tl>=rb)&& (tl-rb) <= MSECS(MIN_SLEEP_TIME))
-		||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
+			||((rb>tl)&& (rb-tl) < MSECS(MIN_SLEEP_TIME))) {
 		spin_unlock_irqrestore(&priv->ps_lock,flags);
-		printk("too short to sleep\n");
+		printk("too short to sleep::%x, %x, %lx\n",tl, rb,  MSECS(MIN_SLEEP_TIME));
 		return;
 	}
 
-//	write_nic_dword(dev, TimerInt, tl);
-//	rb = read_nic_dword(dev, TSFTR);
-	{
-		u32 tmp = (tl>rb)?(tl-rb):(rb-tl);
-	//	if (tl<rb)
-		queue_delayed_work(priv->ieee80211->wq, &priv->ieee80211->hw_wakeup_wq, tmp); //as tl may be less than rb
-	}
-	/* if we suspect the TimerInt is gone beyond tl
-	 * while setting it, then give up
-	 */
-#if 1
 	if(((tl > rb) && ((tl-rb) > MSECS(MAX_SLEEP_TIME)))||
-		((tl < rb) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))) {
+			((tl < rb) && (tl>MSECS(69)) && ((rb-tl) > MSECS(MAX_SLEEP_TIME)))||
+			((tl<rb)&&(tl<MSECS(69))&&((tl+0xffffffff-rb)>MSECS(MAX_SLEEP_TIME)))) {
 		printk("========>too long to sleep:%x, %x, %lx\n", tl, rb,  MSECS(MAX_SLEEP_TIME));
 		spin_unlock_irqrestore(&priv->ps_lock,flags);
 		return;
 	}
-#endif
-//	if(priv->rf_sleep)
-//		priv->rf_sleep(dev);
-
-	//printk("<=========%s()\n", __FUNCTION__);
-	queue_delayed_work(priv->ieee80211->wq, (void *)&priv->ieee80211->hw_sleep_wq,0);
+	{
+		u32 tmp = (tl>rb)?(tl-rb):(rb-tl);
+		queue_delayed_work(priv->ieee80211->wq,
+				&priv->ieee80211->hw_wakeup_wq,tmp);
+		//PowerSave not supported when kernel version less 2.6.20
+	}
+	queue_delayed_work(priv->ieee80211->wq,
+			(void *)&priv->ieee80211->hw_sleep_wq,0);
 	spin_unlock_irqrestore(&priv->ps_lock,flags);
+
 }
 static void rtl8192_init_priv_variable(struct net_device* dev)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	u8 i;
+	PRT_POWER_SAVE_CONTROL	pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
+
+	// Default Halt the NIC if RF is OFF.
+	pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_HALT_NIC;
+	pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_CLK_REQ;
+	pPSC->RegRfPsLevel |= RT_RF_OFF_LEVL_ASPM;
+	pPSC->RegRfPsLevel |= RT_RF_LPS_LEVEL_ASPM;
+	pPSC->bLeisurePs = true;
+	pPSC->RegMaxLPSAwakeIntvl = 5;
+	priv->bHwRadioOff = false;
+
 	priv->being_init_adapter = false;
 	priv->txbuffsize = 1600;//1024;
 	priv->txfwbuffersize = 4096;
@@ -2328,6 +2577,17 @@ static void rtl8192_init_priv_variable(struct net_device* dev)
 	//added by amy
 	priv->ieee80211->InitialGainHandler = InitialGain819xPci;
 
+#ifdef ENABLE_IPS
+	priv->ieee80211->ieee80211_ips_leave_wq = ieee80211_ips_leave_wq;
+	priv->ieee80211->ieee80211_ips_leave = ieee80211_ips_leave;
+#endif
+#ifdef ENABLE_LPS
+        priv->ieee80211->LeisurePSLeave            = LeisurePSLeave;
+#endif//ENABL
+
+	priv->ieee80211->SetHwRegHandler = rtl8192e_SetHwReg;
+	priv->ieee80211->rtllib_ap_sec_type = rtl8192e_ap_sec_type;
+
 	priv->card_type = USB;
 	{
 		priv->ShortRetryLimit = 0x30;
@@ -2400,6 +2660,10 @@ static void rtl8192_init_priv_task(struct net_device* dev)
 	priv->priv_wq = create_workqueue(DRV_NAME);
 #endif
 
+#ifdef ENABLE_IPS
+	INIT_WORK(&priv->ieee80211->ips_leave_wq, (void*)IPSLeave_wq);
+#endif
+
 //	INIT_WORK(&priv->reset_wq, (void(*)(void*)) rtl8192_restart);
 	INIT_WORK(&priv->reset_wq,  rtl8192_restart);
 //	INIT_DELAYED_WORK(&priv->watch_dog_wq, hal_dm_watchdog);
@@ -2550,10 +2814,7 @@ static void rtl8192_read_eeprom_info(struct net_device* dev)
 		memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
 	}
 
-	RT_TRACE(COMP_INIT, "Permanent Address = %02x-%02x-%02x-%02x-%02x-%02x\n",
-			dev->dev_addr[0], dev->dev_addr[1],
-			dev->dev_addr[2], dev->dev_addr[3],
-			dev->dev_addr[4], dev->dev_addr[5]);
+	RT_TRACE(COMP_INIT, "Permanent Address = %pM\n", dev->dev_addr);
 
 		//2 TX Power Check EEPROM Fail or not
 	if(priv->card_8192_version > VERSION_8190_BD) {
@@ -2926,13 +3187,14 @@ static void rtl8192_read_eeprom_info(struct net_device* dev)
 		#endif
 			break;
 	}
-/*
-	//2008.06.03, for WOL
+
+
 	if( priv->eeprom_vid == 0x1186 &&  priv->eeprom_did == 0x3304)
-		priv->ieee80211->bSupportRemoteWakeUp = TRUE;
+		priv->ieee80211->bSupportRemoteWakeUp = true;
 	else
-		priv->ieee80211->bSupportRemoteWakeUp = FALSE;
-*/
+		priv->ieee80211->bSupportRemoteWakeUp = false;
+
+
 	RT_TRACE(COMP_INIT, "RegChannelPlan(%d)\n", priv->RegChannelPlan);
 	RT_TRACE(COMP_INIT, "ChannelPlan = %d \n", priv->ChannelPlan);
 	RT_TRACE(COMP_INIT, "LedStrategy = %d \n", priv->LedStrategy);
@@ -4006,12 +4268,19 @@ static void rtl819x_ifsilentreset(struct net_device *dev)
 	struct ieee80211_device *ieee = priv->ieee80211;
 
 
+	return;
+
 	// 2007.07.20. If we need to check CCK stop, please uncomment this line.
 	//bStuck = Adapter->HalFunc.CheckHWStopHandler(Adapter);
 
 	if(priv->ResetProgress==RESET_TYPE_NORESET)
 	{
 RESET_START:
+#ifdef ENABLE_LPS
+                //LZM for PS-Poll AID issue. 090429
+                if(priv->ieee80211->state == IEEE80211_LINKED)
+                    LeisurePSLeave(dev);
+#endif
 
 		RT_TRACE(COMP_RESET,"=========>Reset progress!! \n");
 
@@ -4051,9 +4320,9 @@ RESET_START:
 		}
 		else{
 			printk("ieee->state is NOT LINKED\n");
-			ieee80211_softmac_stop_protocol(priv->ieee80211);
+			ieee80211_softmac_stop_protocol(priv->ieee80211,true);
 		}
-		rtl8192_rtx_disable(dev);
+		rtl8192_halt_adapter(dev, true);
 		up(&priv->wx_sem);
 		RT_TRACE(COMP_RESET,"%s():<==========down process is finished\n",__FUNCTION__);
 		RT_TRACE(COMP_RESET,"%s():===========>start to up the driver\n",__FUNCTION__);
@@ -4150,6 +4419,128 @@ void InactivePsWorkItemCallback(struct net_device *dev)
 	RT_TRACE(COMP_POWER, "InactivePsWorkItemCallback() <--------- \n");
 }
 
+#ifdef ENABLE_LPS
+//
+// Change current and default preamble mode.
+// 2005.01.06, by rcnjko.
+//
+bool MgntActSet_802_11_PowerSaveMode(struct net_device *dev,	u8 rtPsMode)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	//PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
+	//u8 RpwmVal, FwPwrMode;
+
+	// Currently, we do not change power save mode on IBSS mode.
+	if(priv->ieee80211->iw_mode == IW_MODE_ADHOC)
+	{
+		return false;
+	}
+
+	//
+	// <RJ_NOTE> If we make HW to fill up the PwrMgt bit for us,
+	// some AP will not response to our mgnt frames with PwrMgt bit set,
+	// e.g. cannot associate the AP.
+	// So I commented out it. 2005.02.16, by rcnjko.
+	//
+//	// Change device's power save mode.
+//	Adapter->HalFunc.SetPSModeHandler( Adapter, rtPsMode );
+
+	// Update power save mode configured.
+	//RT_TRACE(COMP_LPS,"%s(): set ieee->ps = %x\n",__FUNCTION__,rtPsMode);
+	if(!priv->ps_force) {
+		priv->ieee80211->ps = rtPsMode;
+	}
+
+	// Awake immediately
+	if(priv->ieee80211->sta_sleep != 0 && rtPsMode == IEEE80211_PS_DISABLED)
+	{
+                unsigned long flags;
+
+		//PlatformSetTimer(Adapter, &(pMgntInfo->AwakeTimer), 0);
+		// Notify the AP we awke.
+		rtl8192_hw_wakeup(dev);
+		priv->ieee80211->sta_sleep = 0;
+
+                spin_lock_irqsave(&(priv->ieee80211->mgmt_tx_lock), flags);
+		printk("LPS leave: notify AP we are awaked ++++++++++ SendNullFunctionData\n");
+		ieee80211_sta_ps_send_null_frame(priv->ieee80211, 0);
+                spin_unlock_irqrestore(&(priv->ieee80211->mgmt_tx_lock), flags);
+	}
+
+	return true;
+}
+
+//================================================================================
+// Leisure Power Save in linked state.
+//================================================================================
+
+//
+//	Description:
+//		Enter the leisure power save mode.
+//
+void LeisurePSEnter(struct net_device *dev)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
+
+	//RT_TRACE(COMP_PS, "LeisurePSEnter()...\n");
+	//RT_TRACE(COMP_PS, "pPSC->bLeisurePs = %d, ieee->ps = %d,pPSC->LpsIdleCount is %d,RT_CHECK_FOR_HANG_PERIOD is %d\n",
+	//	pPSC->bLeisurePs, priv->ieee80211->ps,pPSC->LpsIdleCount,RT_CHECK_FOR_HANG_PERIOD);
+
+	if(!((priv->ieee80211->iw_mode == IW_MODE_INFRA) &&
+		(priv->ieee80211->state == IEEE80211_LINKED)) ||
+		(priv->ieee80211->iw_mode == IW_MODE_ADHOC) ||
+		(priv->ieee80211->iw_mode == IW_MODE_MASTER))
+		return;
+
+	if (pPSC->bLeisurePs)
+	{
+		// Idle for a while if we connect to AP a while ago.
+		if(pPSC->LpsIdleCount >= RT_CHECK_FOR_HANG_PERIOD) //  4 Sec
+		{
+
+			if(priv->ieee80211->ps == IEEE80211_PS_DISABLED)
+			{
+
+				//RT_TRACE(COMP_LPS, "LeisurePSEnter(): Enter 802.11 power save mode...\n");
+				MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_MBCAST|IEEE80211_PS_UNICAST);
+
+			}
+		}
+		else
+			pPSC->LpsIdleCount++;
+	}
+}
+
+
+//
+//	Description:
+//		Leave the leisure power save mode.
+//
+void LeisurePSLeave(struct net_device *dev)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
+
+
+	//RT_TRACE(COMP_PS, "LeisurePSLeave()...\n");
+	//RT_TRACE(COMP_PS, "pPSC->bLeisurePs = %d, ieee->ps = %d\n",
+	//	pPSC->bLeisurePs, priv->ieee80211->ps);
+
+	if (pPSC->bLeisurePs)
+	{
+		if(priv->ieee80211->ps != IEEE80211_PS_DISABLED)
+		{
+			// move to lps_wakecomplete()
+			//RT_TRACE(COMP_LPS, "LeisurePSLeave(): Busy Traffic , Leave 802.11 power save..\n");
+			MgntActSet_802_11_PowerSaveMode(dev, IEEE80211_PS_DISABLED);
+
+		}
+	}
+}
+#endif
+
+
 //
 //	Description:
 //		Enter the inactive power save mode. RF will be off
@@ -4178,6 +4569,7 @@ IPSEnter(struct net_device *dev)
 			&& (priv->ieee80211->state != IEEE80211_LINKED) )
 		{
 			RT_TRACE(COMP_RF,"IPSEnter(): Turn off RF.\n");
+			//printk("IPSEnter(): Turn off RF.\n");
 			pPSC->eInactivePowerState = eRfOff;
 //			queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
 			InactivePsWorkItemCallback(dev);
@@ -4203,12 +4595,53 @@ IPSLeave(struct net_device *dev)
 		if (rtState != eRfOn  && !pPSC->bSwRfProcessing && priv->ieee80211->RfOffReason <= RF_CHANGE_BY_IPS)
 		{
 			RT_TRACE(COMP_POWER, "IPSLeave(): Turn on RF.\n");
+			//printk("IPSLeave(): Turn on RF.\n");
 			pPSC->eInactivePowerState = eRfOn;
 //			queue_work(priv->priv_wq,&(pPSC->InactivePsWorkItem));
 			InactivePsWorkItemCallback(dev);
 		}
 	}
 }
+
+void IPSLeave_wq(void *data)
+{
+	struct ieee80211_device *ieee = container_of(data,struct ieee80211_device,ips_leave_wq);
+	struct net_device *dev = ieee->dev;
+
+	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+	down(&priv->ieee80211->ips_sem);
+	IPSLeave(dev);
+	up(&priv->ieee80211->ips_sem);
+}
+
+void ieee80211_ips_leave_wq(struct net_device *dev)
+{
+	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+	RT_RF_POWER_STATE	rtState;
+	rtState = priv->ieee80211->eRFPowerState;
+
+	if(priv->ieee80211->PowerSaveControl.bInactivePs){
+		if(rtState == eRfOff){
+			if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
+			{
+				RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
+				return;
+			}
+			else{
+				printk("=========>%s(): IPSLeave\n",__FUNCTION__);
+				queue_work(priv->ieee80211->wq,&priv->ieee80211->ips_leave_wq);
+			}
+		}
+	}
+}
+//added by amy 090331 end
+void ieee80211_ips_leave(struct net_device *dev)
+{
+	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
+	down(&priv->ieee80211->ips_sem);
+	IPSLeave(dev);
+	up(&priv->ieee80211->ips_sem);
+}
 #endif
 
 static void rtl819x_update_rxcounts(
@@ -4244,15 +4677,23 @@ void rtl819x_watchdog_wqcallback(struct work_struct *work)
 	unsigned long flags;
 	bool bBusyTraffic = false;
 	static u8 last_time = 0;
+	bool bEnterPS = false;
+
+	if((!priv->up) || (priv->bHwRadioOff == true))
+		return;
+
 	if(!priv->up)
 		return;
 	hal_dm_watchdog(dev);
 #ifdef ENABLE_IPS
 //	printk("watch_dog ENABLE_IPS\n");
 	if(ieee->actscanning == false){
-		if((ieee->iw_mode != IW_MODE_ADHOC) && (ieee->state == IEEE80211_NOLINK) && (ieee->beinretry == false) && (ieee->eRFPowerState == eRfOn) && !ieee->is_set_key){
+		//printk("%d,%d,%d,%d\n", ieee->eRFPowerState, ieee->is_set_key, ieee->proto_stoppping, ieee->wx_set_enc);
+		if((ieee->iw_mode == IW_MODE_INFRA) && (ieee->state == IEEE80211_NOLINK) &&\
+		    (ieee->eRFPowerState == eRfOn)&&!ieee->is_set_key &&\
+		    (!ieee->proto_stoppping) && !ieee->wx_set_enc){
 			if(ieee->PowerSaveControl.ReturnPoint == IPS_CALLBACK_NONE){
-				printk("====================>haha:IPSEnter()\n");
+				//printk("====================>haha:IPSEnter()\n");
 				IPSEnter(dev);
 				//ieee80211_stop_scan(priv->ieee80211);
 			}
@@ -4262,14 +4703,49 @@ void rtl819x_watchdog_wqcallback(struct work_struct *work)
 	{//to get busy traffic condition
 		if(ieee->state == IEEE80211_LINKED)
 		{
-			if(	ieee->LinkDetectInfo.NumRxOkInPeriod> 666 ||
-				ieee->LinkDetectInfo.NumTxOkInPeriod> 666 ) {
+			if(	ieee->LinkDetectInfo.NumRxOkInPeriod> 100 ||
+				ieee->LinkDetectInfo.NumTxOkInPeriod> 100 ) {
 				bBusyTraffic = true;
 			}
 
+#ifdef ENABLE_LPS
+			//added by amy for Leisure PS
+			if(	((ieee->LinkDetectInfo.NumRxUnicastOkInPeriod + ieee->LinkDetectInfo.NumTxOkInPeriod) > 8 ) ||
+				(ieee->LinkDetectInfo.NumRxUnicastOkInPeriod > 2) )
+			{
+				//printk("ieee->LinkDetectInfo.NumRxUnicastOkInPeriod is %d,ieee->LinkDetectInfo.NumTxOkInPeriod is %d\n",
+				//	ieee->LinkDetectInfo.NumRxUnicastOkInPeriod,ieee->LinkDetectInfo.NumTxOkInPeriod);
+				bEnterPS= false;
+			}
+			else
+			{
+				bEnterPS= true;
+			}
+
+			//printk("***bEnterPS = %d\n", bEnterPS);
+			// LeisurePS only work in infra mode.
+			if(bEnterPS)
+			{
+				LeisurePSEnter(dev);
+			}
+			else
+			{
+				LeisurePSLeave(dev);
+			}
+#endif
+
+		}
+		else
+		{
+#ifdef ENABLE_LPS
+			//RT_TRACE(COMP_LPS,"====>no link LPS leave\n");
+			LeisurePSLeave(dev);
+#endif
 		}
+
 	        ieee->LinkDetectInfo.NumRxOkInPeriod = 0;
 	        ieee->LinkDetectInfo.NumTxOkInPeriod = 0;
+		ieee->LinkDetectInfo.NumRxUnicastOkInPeriod = 0;
 		ieee->LinkDetectInfo.bBusyTraffic = bBusyTraffic;
 	}
 
@@ -4288,14 +4764,14 @@ void rtl819x_watchdog_wqcallback(struct work_struct *work)
 				if( ieee->eRFPowerState == eRfOff)
 					RT_TRACE(COMP_ERR,"========>%s()\n",__FUNCTION__);
 				printk("===>%s(): AP is power off,connect another one\n",__FUNCTION__);
-		//		Dot11d_Reset(dev);
+				//		Dot11d_Reset(dev);
 				ieee->state = IEEE80211_ASSOCIATING;
 				notify_wx_assoc_event(priv->ieee80211);
-                                RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
+				RemovePeerTS(priv->ieee80211,priv->ieee80211->current_network.bssid);
 				ieee->is_roaming = true;
 				ieee->is_set_key = false;
-                             ieee->link_change(dev);
-                                queue_work(ieee->wq, &ieee->associate_procedure_wq);
+				ieee->link_change(dev);
+				queue_work(ieee->wq, &ieee->associate_procedure_wq);
 			}
 		}
 	      ieee->LinkDetectInfo.NumRecvBcnInPeriod=0;
@@ -4348,6 +4824,7 @@ int _rtl8192_up(struct net_device *dev)
 	RT_STATUS init_status = RT_STATUS_SUCCESS;
 	priv->up=1;
 	priv->ieee80211->ieee_up=1;
+	priv->bdisable_nic = false;  //YJ,add,091111
 	RT_TRACE(COMP_INIT, "Bringing up iface");
 
 	init_status = rtl8192_adapter_start(dev);
@@ -4422,6 +4899,12 @@ int rtl8192_down(struct net_device *dev)
 #endif
 	if (priv->up == 0) return -1;
 
+#ifdef ENABLE_LPS
+	//LZM for PS-Poll AID issue. 090429
+	if(priv->ieee80211->state == IEEE80211_LINKED)
+		LeisurePSLeave(dev);
+#endif
+
 	priv->up=0;
 	priv->ieee80211->ieee_up = 0;
 	RT_TRACE(COMP_DOWN, "==========>%s()\n", __FUNCTION__);
@@ -4459,11 +4942,9 @@ int rtl8192_down(struct net_device *dev)
 	deinit_hal_dm(dev);
 	del_timer_sync(&priv->watch_dog_timer);
 
-	ieee80211_softmac_stop_protocol(priv->ieee80211);
-#ifdef ENABLE_IPS
-	MgntActSet_RF_State(dev, eRfOff, RF_CHANGE_BY_INIT);
-#endif
-	rtl8192_rtx_disable(dev);
+	ieee80211_softmac_stop_protocol(priv->ieee80211,true);
+
+	rtl8192_halt_adapter(dev,false);
 	memset(&priv->ieee80211->current_network, 0 , offsetof(struct ieee80211_network, list));
 
 	RT_TRACE(COMP_DOWN, "<==========%s()\n", __FUNCTION__);
@@ -4479,10 +4960,10 @@ void rtl8192_commit(struct net_device *dev)
 	if (priv->up == 0) return ;
 
 
-	ieee80211_softmac_stop_protocol(priv->ieee80211);
+	ieee80211_softmac_stop_protocol(priv->ieee80211,true);
 
 	rtl8192_irq_disable(dev);
-	rtl8192_rtx_disable(dev);
+	rtl8192_halt_adapter(dev,true);
 	_rtl8192_up(dev);
 }
 
@@ -5806,8 +6287,7 @@ static void rtl8192_rx(struct net_device *dev)
 
                 skb = new_skb;
                 priv->rx_buf[priv->rx_idx] = skb;
-                *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb->tail, priv->rxbuffersize, PCI_DMA_FROMDEVICE);
-//                *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
+                *((dma_addr_t *) skb->cb) = pci_map_single(priv->pdev, skb_tail_pointer(skb), priv->rxbuffersize, PCI_DMA_FROMDEVICE);
             }
 
         }
@@ -6036,7 +6516,7 @@ void rtl8192_cancel_deferred_work(struct r8192_priv* priv)
 	/* call cancel_work_sync instead of cancel_delayed_work if and only if Linux_version_code
          * is  or is newer than 2.6.20 and work structure is defined to be struct work_struct.
          * Otherwise call cancel_delayed_work is enough.
-         * FIXME (2.6.20 shoud 2.6.22, work_struct shoud not cancel)
+         * FIXME (2.6.20 should 2.6.22, work_struct should not cancel)
          * */
 	cancel_delayed_work(&priv->watch_dog_wq);
 	cancel_delayed_work(&priv->update_beacon_wq);
@@ -6381,11 +6861,13 @@ void setKey(	struct net_device *dev,
 			if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
 			{
 				RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
-				up(&priv->wx_sem);
+				//up(&priv->wx_sem);
 				return ;
 			}
 			else{
+				down(&priv->ieee80211->ips_sem);
 				IPSLeave(dev);
+				up(&priv->ieee80211->ips_sem);
 			}
 		}
 	}
@@ -6394,7 +6876,7 @@ void setKey(	struct net_device *dev,
 	if (EntryNo >= TOTAL_CAM_ENTRY)
 		RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
 
-	RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr"MAC_FMT"\n", dev,EntryNo, KeyIndex, KeyType, MAC_ARG(MacAddr));
+	RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev,EntryNo, KeyIndex, KeyType, MacAddr);
 
 	if (DefaultKey)
 		usConfig |= BIT15 | (KeyType<<2);
@@ -6455,6 +6937,65 @@ void CamPrintDbgReg(struct net_device* dev)
 	RT_TRACE(COMP_SEC, "WPA_Config=%x \n",ucValue);
 }
 
+bool NicIFEnableNIC(struct net_device* dev)
+{
+	RT_STATUS init_status = RT_STATUS_SUCCESS;
+	struct r8192_priv* priv = ieee80211_priv(dev);
+	PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
+
+	//YJ,add,091109
+	if (priv->up == 0){
+		RT_TRACE(COMP_ERR, "ERR!!! %s(): Driver is already down!\n",__FUNCTION__);
+		priv->bdisable_nic = false;  //YJ,add,091111
+		return false;
+	}
+	// <1> Reset memory: descriptor, buffer,..
+	//NicIFResetMemory(Adapter);
+
+	// <2> Enable Adapter
+	//printk("===========>%s()\n",__FUNCTION__);
+	//priv->bfirst_init = true;
+	init_status = rtl8192_adapter_start(dev);
+	if (init_status != RT_STATUS_SUCCESS) {
+		RT_TRACE(COMP_ERR,"ERR!!! %s(): initialization is failed!\n",__FUNCTION__);
+		priv->bdisable_nic = false;  //YJ,add,091111
+		return -1;
+	}
+	//printk("start adapter finished\n");
+	RT_CLEAR_PS_LEVEL(pPSC, RT_RF_OFF_LEVL_HALT_NIC);
+	//priv->bfirst_init = false;
+
+	// <3> Enable Interrupt
+	rtl8192_irq_enable(dev);
+	priv->bdisable_nic = false;
+	//RT_TRACE(COMP_PS,"<===========%s()\n",__FUNCTION__);
+	return (init_status == RT_STATUS_SUCCESS) ? true:false;
+}
+bool NicIFDisableNIC(struct net_device* dev)
+{
+	bool	status = true;
+	struct r8192_priv* priv = ieee80211_priv(dev);
+	u8 tmp_state = 0;
+	// <1> Disable Interrupt
+	//RT_TRACE(COMP_PS, "=========>%s()\n",__FUNCTION__);
+	priv->bdisable_nic = true;	//YJ,move,091109
+	tmp_state = priv->ieee80211->state;
+
+	ieee80211_softmac_stop_protocol(priv->ieee80211, false);
+
+	priv->ieee80211->state = tmp_state;
+	rtl8192_cancel_deferred_work(priv);
+	rtl8192_irq_disable(dev);
+	// <2> Stop all timer
+
+	// <3> Disable Adapter
+	rtl8192_halt_adapter(dev, false);
+//	priv->bdisable_nic = true;
+	//RT_TRACE(COMP_PS, "<=========%s()\n",__FUNCTION__);
+
+	return status;
+}
+
 
 /***************************************************************************
      ------------------- module init / exit stubs ----------------
diff --git a/drivers/staging/rtl8192e/r8192E_dm.c b/drivers/staging/rtl8192e/r8192E_dm.c
index 5ffb4f74055b..a249f00da60d 100644
--- a/drivers/staging/rtl8192e/r8192E_dm.c
+++ b/drivers/staging/rtl8192e/r8192E_dm.c
@@ -19,26 +19,28 @@ Major Change History:
 #include "r819xE_phy.h"
 #include "r819xE_phyreg.h"
 #include "r8190_rtl8256.h"
+
+#define DRV_NAME "rtl819xE"
 /*---------------------------Define Local Constant---------------------------*/
 //
 // Indicate different AP vendor for IOT issue.
 //
 #ifdef  RTL8190P
 static u32 edca_setting_DL[HT_IOT_PEER_MAX] =
-{ 0x5e4322, 	0x5e4322, 	0x5e4322,  	0x604322, 	0xa44f, 	0x5e4322};
+{ 0x5e4322, 	0x5e4322, 	0x5e4322,  	0x604322, 	0xa44f, 	0x5e4322,	0x5e4322};
 static u32 edca_setting_UL[HT_IOT_PEER_MAX] =
-{ 0x5e4322, 	0xa44f, 	0x5e4322,  	0x604322, 	0x5e4322, 	0x5e4322};
+{ 0x5e4322, 	0xa44f, 	0x5e4322,  	0x604322, 	0x5e4322, 	0x5e4322,	0x5e4322};
 #else
 #ifdef RTL8192E
 static u32 edca_setting_DL[HT_IOT_PEER_MAX] =
-{ 0x5e4322, 	0x5e4322, 	0x5e4322, 	0x604322, 	0xa44f, 	0x5e4322};
+{ 0x5e4322, 	0x5e4322, 	0x5e4322, 	0x604322, 	0xa44f, 	0x5e4322,	0x5e4322};
 static u32 edca_setting_UL[HT_IOT_PEER_MAX] =
-{ 0x5e4322, 	0xa44f,		0x5e4322,  	0x604322, 	0x5e4322, 	0x5e4322};
+{ 0x5e4322, 	0xa44f,		0x5e4322,  	0x604322, 	0x5e4322, 	0x5e4322, 	0x5e4322};
 #else
 static u32 edca_setting_DL[HT_IOT_PEER_MAX] =
-{ 0x5e4322, 	0x5e4322, 	0x5e4322, 	0x604322, 	0xa44f, 	0x5ea44f};
+{ 0x5e4322, 	0x5e4322, 	0x5e4322, 	0x604322, 	0xa44f, 	0x5ea44f, 	0x5e4322};
 static u32 edca_setting_UL[HT_IOT_PEER_MAX] =
-{ 0x5e4322, 	0xa44f, 	0x5e4322, 	0x604322, 	0x5ea44f, 	0x5ea44f};
+{ 0x5e4322, 	0xa44f, 	0x5e4322, 	0x604322, 	0x5ea44f, 	0x5ea44f, 	0x5e4322};
 #endif
 #endif
 
@@ -275,6 +277,30 @@ void dm_CheckRxAggregation(struct net_device *dev) {
 #endif
 
 
+// call the script file to enable
+void dm_check_ac_dc_power(struct net_device *dev)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	static char *ac_dc_check_script_path = "/etc/acpi/wireless-rtl-ac-dc-power.sh";
+	char *argv[] = {ac_dc_check_script_path,DRV_NAME,NULL};
+	static char *envp[] = {"HOME=/",
+			"TERM=linux",
+			"PATH=/usr/bin:/bin",
+			 NULL};
+
+	if(priv->ResetProgress == RESET_TYPE_SILENT)
+	{
+		RT_TRACE((COMP_INIT | COMP_POWER | COMP_RF), "GPIOChangeRFWorkItemCallBack(): Silent Reseting!!!!!!!\n");
+		return;
+	}
+
+	if(priv->ieee80211->state != IEEE80211_LINKED) {
+		return;
+	}
+	call_usermodehelper(ac_dc_check_script_path,argv,envp,1);
+
+	return;
+};
 
 void hal_dm_watchdog(struct net_device *dev)
 {
@@ -282,6 +308,8 @@ void hal_dm_watchdog(struct net_device *dev)
 
 	//static u8 	previous_bssid[6] ={0};
 
+	dm_check_ac_dc_power(dev);
+
 	/*Add by amy 2008/05/15 ,porting from windows code.*/
 	dm_check_rate_adaptive(dev);
 	dm_dynamic_txpower(dev);
diff --git a/drivers/staging/rtl8192e/r8192E_hw.h b/drivers/staging/rtl8192e/r8192E_hw.h
index 388908fc8d20..346bfb18e2b0 100644
--- a/drivers/staging/rtl8192e/r8192E_hw.h
+++ b/drivers/staging/rtl8192e/r8192E_hw.h
@@ -808,4 +808,12 @@ enum _RTL8192Pci_HW {
 #define GPI 0x108
 #define GPO 0x109
 #define GPE 0x10a
+
+#define	ANAPAR_FOR_8192PciE							0x17		// Analog parameter register
+
+#define	MSR_NOLINK					0x00
+#define	MSR_ADHOC					0x01
+#define	MSR_INFRA					0x02
+#define	MSR_AP						0x03
+
 #endif
diff --git a/drivers/staging/rtl8192e/r8192E_wx.c b/drivers/staging/rtl8192e/r8192E_wx.c
index d1eb89229cdf..0b0f39ce3ced 100644
--- a/drivers/staging/rtl8192e/r8192E_wx.c
+++ b/drivers/staging/rtl8192e/r8192E_wx.c
@@ -22,7 +22,7 @@
 #include "r8192E_hw.h"
 #include "r8192E_wx.h"
 #ifdef ENABLE_DOT11D
-#include "dot11d.h"
+#include "ieee80211/dot11d.h"
 #endif
 
 #define RATE_COUNT 12
@@ -70,6 +70,9 @@ static int r8192_wx_set_rate(struct net_device *dev,
 	int ret;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	ret = ieee80211_wx_set_rate(priv->ieee80211,info,wrqu,extra);
@@ -87,6 +90,9 @@ static int r8192_wx_set_rts(struct net_device *dev,
 	int ret;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	ret = ieee80211_wx_set_rts(priv->ieee80211,info,wrqu,extra);
@@ -111,6 +117,9 @@ static int r8192_wx_set_power(struct net_device *dev,
 	int ret;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	ret = ieee80211_wx_set_power(priv->ieee80211,info,wrqu,extra);
@@ -290,6 +299,9 @@ static int r8192_wx_set_rawtx(struct net_device *dev,
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	int ret;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	ret = ieee80211_wx_set_rawtx(priv->ieee80211, info, wrqu, extra);
@@ -325,6 +337,9 @@ static int r8192_wx_set_crcmon(struct net_device *dev,
 	int enable = (parms[0] > 0);
 	short prev = priv->crcmon;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	if(enable)
@@ -352,6 +367,9 @@ static int r8192_wx_set_mode(struct net_device *dev, struct iw_request_info *a,
 	RT_RF_POWER_STATE	rtState;
 	int ret;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	rtState = priv->ieee80211->eRFPowerState;
 	down(&priv->wx_sem);
 #ifdef ENABLE_IPS
@@ -366,8 +384,10 @@ static int r8192_wx_set_mode(struct net_device *dev, struct iw_request_info *a,
 					return -1;
 				}
 				else{
-				printk("=========>%s(): IPSLeave\n",__FUNCTION__);
+					RT_TRACE(COMP_ERR, "%s(): IPSLeave\n",__FUNCTION__);
+					down(&priv->ieee80211->ips_sem);
 					IPSLeave(dev);
+					up(&priv->ieee80211->ips_sem);
 				}
 			}
 		}
@@ -425,7 +445,7 @@ static int rtl8180_wx_get_range(struct net_device *dev,
 	 */
 
 	/* ~5 Mb/s real (802.11b) */
-	range->throughput = 5 * 1000 * 1000;
+	range->throughput = 130 * 1000 * 1000;
 
 	// TODO: Not used in 802.11b?
 //	range->min_nwid;	/* Minimal NWID we are able to set */
@@ -468,7 +488,7 @@ static int rtl8180_wx_get_range(struct net_device *dev,
 	range->pmt_flags = IW_POWER_TIMEOUT;
 	range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_ALL_R;
 	range->we_version_compiled = WIRELESS_EXT;
-	range->we_version_source = 16;
+	range->we_version_source = 18;
 
 //	range->retry_capa;	/* What retry options are supported */
 //	range->retry_flags;	/* How to decode max/min retry limit */
@@ -517,7 +537,12 @@ static int r8192_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
 	struct ieee80211_device* ieee = priv->ieee80211;
 	RT_RF_POWER_STATE	rtState;
 	int ret;
+
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	rtState = priv->ieee80211->eRFPowerState;
+
 	if(!priv->up) return -ENETDOWN;
 	if (priv->ieee80211->LinkDetectInfo.bBusyTraffic == true)
 		return -EAGAIN;
@@ -547,8 +572,10 @@ static int r8192_wx_set_scan(struct net_device *dev, struct iw_request_info *a,
 					return -1;
 				}
 				else{
-					printk("=========>%s(): IPSLeave\n",__FUNCTION__);
+					//RT_TRACE(COMP_PS, "%s(): IPSLeave\n",__FUNCTION__);
+					down(&priv->ieee80211->ips_sem);
 					IPSLeave(dev);
+					up(&priv->ieee80211->ips_sem);
 				}
 			}
 		}
@@ -580,6 +607,9 @@ static int r8192_wx_get_scan(struct net_device *dev, struct iw_request_info *a,
 	int ret;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	if(!priv->up) return -ENETDOWN;
 
 	down(&priv->wx_sem);
@@ -599,23 +629,16 @@ static int r8192_wx_set_essid(struct net_device *dev,
 	RT_RF_POWER_STATE	rtState;
 	int ret;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	rtState = priv->ieee80211->eRFPowerState;
 	down(&priv->wx_sem);
+
 #ifdef ENABLE_IPS
-	if(priv->ieee80211->PowerSaveControl.bInactivePs){
-		if(rtState == eRfOff){
-			if(priv->ieee80211->RfOffReason > RF_CHANGE_BY_IPS)
-			{
-				RT_TRACE(COMP_ERR, "%s(): RF is OFF.\n",__FUNCTION__);
-				up(&priv->wx_sem);
-				return -1;
-			}
-			else{
-				printk("=========>%s(): IPSLeave\n",__FUNCTION__);
-				IPSLeave(dev);
-			}
-		}
-	}
+        down(&priv->ieee80211->ips_sem);
+        IPSLeave(dev);
+        up(&priv->ieee80211->ips_sem);
 #endif
 	ret = ieee80211_wx_set_essid(priv->ieee80211,a,wrqu,b);
 
@@ -650,6 +673,9 @@ static int r8192_wx_set_freq(struct net_device *dev, struct iw_request_info *a,
 	int ret;
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	ret = ieee80211_wx_set_freq(priv->ieee80211, a, wrqu, b);
@@ -673,6 +699,9 @@ static int r8192_wx_set_frag(struct net_device *dev,
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	if (wrqu->frag.disabled)
 		priv->ieee80211->fts = DEFAULT_FRAG_THRESHOLD;
 	else {
@@ -711,8 +740,16 @@ static int r8192_wx_set_wap(struct net_device *dev,
 	struct r8192_priv *priv = ieee80211_priv(dev);
 //        struct sockaddr *temp = (struct sockaddr *)awrq;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
+#ifdef ENABLE_IPS
+        down(&priv->ieee80211->ips_sem);
+        IPSLeave(dev);
+        up(&priv->ieee80211->ips_sem);
+#endif
 	ret = ieee80211_wx_set_wap(priv->ieee80211,info,awrq,extra);
 
 	up(&priv->wx_sem);
@@ -753,14 +790,24 @@ static int r8192_wx_set_enc(struct net_device *dev,
 	u32 hwkey[4]={0,0,0,0};
 	u8 mask=0xff;
 	u32 key_idx=0;
-	u8 zero_addr[4][6] ={	{0x00,0x00,0x00,0x00,0x00,0x00},
+	u8 zero_addr[4][6] ={{0x00,0x00,0x00,0x00,0x00,0x00},
 				{0x00,0x00,0x00,0x00,0x00,0x01},
 				{0x00,0x00,0x00,0x00,0x00,0x02},
 				{0x00,0x00,0x00,0x00,0x00,0x03} };
 	int i;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
        if(!priv->up) return -ENETDOWN;
 
+        priv->ieee80211->wx_set_enc = 1;
+#ifdef ENABLE_IPS
+        down(&priv->ieee80211->ips_sem);
+        IPSLeave(dev);
+        up(&priv->ieee80211->ips_sem);
+#endif
+
 	down(&priv->wx_sem);
 
 	RT_TRACE(COMP_SEC, "Setting SW wep key");
@@ -768,7 +815,6 @@ static int r8192_wx_set_enc(struct net_device *dev,
 
 	up(&priv->wx_sem);
 
-
 	//sometimes, the length is zero while we do not type key value
 	if(wrqu->encoding.length!=0){
 
@@ -868,6 +914,8 @@ static int r8192_wx_set_enc(struct net_device *dev,
 	}
 #endif
 
+	priv->ieee80211->wx_set_enc = 0;
+
 	return ret;
 }
 
@@ -893,6 +941,9 @@ static int r8192_wx_set_retry(struct net_device *dev,
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	int err = 0;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 
 	if (wrqu->retry.flags & IW_RETRY_LIFETIME ||
@@ -985,6 +1036,10 @@ static int r8192_wx_set_sens(struct net_device *dev,
 	struct r8192_priv *priv = ieee80211_priv(dev);
 
 	short err = 0;
+
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 	//DMESG("attempt to set sensivity to %ddb",wrqu->sens.value);
 	if(priv->rf_set_sens == NULL) {
@@ -1011,7 +1066,19 @@ static int r8192_wx_set_enc_ext(struct net_device *dev,
 	struct r8192_priv *priv = ieee80211_priv(dev);
 	struct ieee80211_device* ieee = priv->ieee80211;
 
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
+
+	priv->ieee80211->wx_set_enc = 1;
+
+#ifdef ENABLE_IPS
+        down(&priv->ieee80211->ips_sem);
+        IPSLeave(dev);
+        up(&priv->ieee80211->ips_sem);
+#endif
+
 	ret = ieee80211_wx_set_encode_ext(ieee, info, wrqu, extra);
 
 	{
@@ -1091,6 +1158,7 @@ static int r8192_wx_set_enc_ext(struct net_device *dev,
 	}
 
 end_hw_sec:
+	priv->ieee80211->wx_set_enc = 0;
 	up(&priv->wx_sem);
 	return ret;
 
@@ -1102,6 +1170,10 @@ static int r8192_wx_set_auth(struct net_device *dev,
 	int ret=0;
 	//printk("====>%s()\n", __FUNCTION__);
 	struct r8192_priv *priv = ieee80211_priv(dev);
+
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 	ret = ieee80211_wx_set_auth(priv->ieee80211, info, &(data->param), extra);
 	up(&priv->wx_sem);
@@ -1116,6 +1188,10 @@ static int r8192_wx_set_mlme(struct net_device *dev,
 
 	int ret=0;
 	struct r8192_priv *priv = ieee80211_priv(dev);
+
+	if(priv->bHwRadioOff == true)
+		return 0;
+
 	down(&priv->wx_sem);
 	ret = ieee80211_wx_set_mlme(priv->ieee80211, info, wrqu, extra);
 	up(&priv->wx_sem);
@@ -1129,6 +1205,10 @@ static int r8192_wx_set_gen_ie(struct net_device *dev,
 	   //printk("====>%s(), len:%d\n", __FUNCTION__, data->length);
 	int ret=0;
         struct r8192_priv *priv = ieee80211_priv(dev);
+
+	if(priv->bHwRadioOff == true)
+		return 0;
+
         down(&priv->wx_sem);
         ret = ieee80211_wx_set_gen_ie(priv->ieee80211, extra, data->data.length);
         up(&priv->wx_sem);
@@ -1142,6 +1222,42 @@ static int dummy(struct net_device *dev, struct iw_request_info *a,
 	return -1;
 }
 
+// check ac/dc status with the help of user space application */
+static int r8192_wx_adapter_power_status(struct net_device *dev,
+		struct iw_request_info *info,
+		union iwreq_data *wrqu, char *extra)
+{
+	struct r8192_priv *priv = ieee80211_priv(dev);
+#ifdef ENABLE_LPS
+	PRT_POWER_SAVE_CONTROL pPSC = (PRT_POWER_SAVE_CONTROL)(&(priv->ieee80211->PowerSaveControl));
+	struct ieee80211_device* ieee = priv->ieee80211;
+#endif
+	down(&priv->wx_sem);
+
+#ifdef ENABLE_LPS
+	RT_TRACE(COMP_POWER, "%s(): %s\n",__FUNCTION__, (*extra ==  6)?"DC power":"AC power");
+	// ieee->ps shall not be set under DC mode, otherwise it conflict
+	// with Leisure power save mode setting.
+	//
+	if(*extra || priv->force_lps) {
+		priv->ps_force = false;
+		pPSC->bLeisurePs = true;
+	} else {
+		//LZM for PS-Poll AID issue. 090429
+		if(priv->ieee80211->state == IEEE80211_LINKED)
+			LeisurePSLeave(dev);
+
+		priv->ps_force = true;
+		pPSC->bLeisurePs = false;
+		ieee->ps = *extra;
+	}
+
+#endif
+	up(&priv->wx_sem);
+	return 0;
+
+}
+
 
 static iw_handler r8192_wx_handlers[] =
 {
@@ -1231,72 +1347,28 @@ static const struct iw_priv_args r8192_private_args[] = {
 		SIOCIWFIRSTPRIV + 0x2,
 		IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "rawtx"
 	}
-#ifdef JOHN_IOCTL
 	,
 	{
 		SIOCIWFIRSTPRIV + 0x3,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "readRF"
+		IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "forcereset"
+
 	}
 	,
 	{
 		SIOCIWFIRSTPRIV + 0x4,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "writeRF"
-	}
-	,
-	{
-		SIOCIWFIRSTPRIV + 0x5,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "readBB"
-	}
-	,
-	{
-		SIOCIWFIRSTPRIV + 0x6,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "writeBB"
-	}
-        ,
-        {
-                SIOCIWFIRSTPRIV + 0x7,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "readnicb"
-        }
-        ,
-        {
-                SIOCIWFIRSTPRIV + 0x8,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "writenicb"
-        }
-        ,
-        {
-                SIOCIWFIRSTPRIV + 0x9,
-                IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "apinfo"
-        }
-
-#endif
-	,
-	{
-		SIOCIWFIRSTPRIV + 0x3,
-		IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "forcereset"
-
+		IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED|1, IW_PRIV_TYPE_NONE,
+		"set_power"
 	}
 
 };
 
 
 static iw_handler r8192_private_handler[] = {
-//	r8192_wx_set_monitor,  /* SIOCIWFIRSTPRIV */
 	r8192_wx_set_crcmon,   /*SIOCIWSECONDPRIV*/
-//	r8192_wx_set_forceassociate,
-//	r8192_wx_set_beaconinterval,
-//	r8192_wx_set_monitor_type,
 	r8192_wx_set_scan_type,
 	r8192_wx_set_rawtx,
-#ifdef JOHN_IOCTL
-	r8192_wx_read_regs,
-	r8192_wx_write_regs,
-	r8192_wx_read_bb,
-	r8192_wx_write_bb,
-        r8192_wx_read_nicb,
-        r8192_wx_write_nicb,
-	r8192_wx_get_ap_status
-#endif
 	r8192_wx_force_reset,
+	r8192_wx_adapter_power_status,
 };
 
 //#if WIRELESS_EXT >= 17
diff --git a/drivers/staging/rtl8192e/r8192E_wx.h b/drivers/staging/rtl8192e/r8192E_wx.h
index 79ebdb698a41..047030bc051a 100644
--- a/drivers/staging/rtl8192e/r8192E_wx.h
+++ b/drivers/staging/rtl8192e/r8192E_wx.h
@@ -15,7 +15,6 @@
 #ifndef R8180_WX_H
 #define R8180_WX_H
 //#include <linux/wireless.h>
-//#include "ieee80211.h"
 extern struct iw_handler_def r8192_wx_handlers_def;
 /* Enable  the rtl819x_core.c to share this function, david 2008.9.22 */
 extern struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev);
diff --git a/drivers/staging/rtl8192e/r819xE_cmdpkt.c b/drivers/staging/rtl8192e/r819xE_cmdpkt.c
index 2aaa4e1bb375..87c334fb7333 100644
--- a/drivers/staging/rtl8192e/r819xE_cmdpkt.c
+++ b/drivers/staging/rtl8192e/r819xE_cmdpkt.c
@@ -135,7 +135,7 @@ RT_STATUS cmpk_message_handle_tx(
              * Transform from little endian to big endian
              * and pending  zero
              */
-            seg_ptr = skb->tail;
+            seg_ptr = skb_tail_pointer(skb);
             for(i=0 ; i < frag_length; i+=4) {
                 *seg_ptr++ = ((i+0)<frag_length)?code_virtual_address[i+3]:0;
                 *seg_ptr++ = ((i+1)<frag_length)?code_virtual_address[i+2]:0;
diff --git a/drivers/staging/rtl8192e/r819xE_firmware.c b/drivers/staging/rtl8192e/r819xE_firmware.c
index 1f9e413bcd49..793a17545554 100644
--- a/drivers/staging/rtl8192e/r819xE_firmware.c
+++ b/drivers/staging/rtl8192e/r819xE_firmware.c
@@ -1,5 +1,5 @@
 /*
- * Procedure:    Init boot code/firmware code/data session
+ * Procedure: Init boot code/firmware code/data session
  *
  * Description: This routine will intialize firmware. If any error occurs
  *		during the initialization process, the routine shall terminate
@@ -7,19 +7,21 @@
  *		NdisOpenFile only from MiniportInitialize.
  *
  * Arguments:   The pointer of the adapter
-
+ *
  * Returns:
  *		NDIS_STATUS_FAILURE - the following initialization process
  *				      should be terminated
  *		NDIS_STATUS_SUCCESS - if firmware initialization process
  *				      success
  */
+
 #include "r8192E.h"
 #include "r8192E_hw.h"
+
 #include <linux/firmware.h>
 
 /* It should be double word alignment */
-#define GET_COMMAND_PACKET_FRAG_THRESHOLD(v)	(4 * (v / 4) - 8)
+#define GET_COMMAND_PACKET_FRAG_THRESHOLD(v) (4 * (v / 4) - 8)
 
 enum firmware_init_step {
 	FW_INIT_STEP0_BOOT = 0,
@@ -47,17 +49,17 @@ void firmware_init_param(struct net_device *dev)
 static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
 			     u32 buffer_len)
 {
-	struct r8192_priv   *priv = ieee80211_priv(dev);
-	bool 		    rt_status = true;
-	u16		    frag_threshold;
-	u16		    frag_length, frag_offset = 0;
-	int		    i;
-
-	rt_firmware	    *pfirmware = priv->pFirmware;
-	struct sk_buff	    *skb;
-	unsigned char	    *seg_ptr;
-	cb_desc		    *tcb_desc;
-	u8                  bLastIniPkt;
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	bool rt_status = true;
+	u16 frag_threshold;
+	u16 frag_length, frag_offset = 0;
+	int i;
+
+	rt_firmware *pfirmware = priv->pFirmware;
+	struct sk_buff *skb;
+	unsigned char *seg_ptr;
+	cb_desc *tcb_desc;
+	u8 bLastIniPkt;
 
 	firmware_init_param(dev);
 
@@ -89,10 +91,17 @@ static bool fw_download_code(struct net_device *dev, u8 *code_virtual_address,
 		 * Transform from little endian to big endian and pending zero
 		 */
 		for (i = 0; i < frag_length; i += 4) {
-			*seg_ptr++ = ((i+0) < frag_length) ? code_virtual_address[i+3] : 0;
-			*seg_ptr++ = ((i+1) < frag_length) ? code_virtual_address[i+2] : 0;
-			*seg_ptr++ = ((i+2) < frag_length) ? code_virtual_address[i+1] : 0;
-			*seg_ptr++ = ((i+3) < frag_length) ? code_virtual_address[i+0] : 0;
+			*seg_ptr++ = ((i+0) < frag_length) ? \
+					code_virtual_address[i+3] : 0;
+
+			*seg_ptr++ = ((i+1) < frag_length) ? \
+					code_virtual_address[i+2] : 0;
+
+			*seg_ptr++ = ((i+2) < frag_length) ? \
+					code_virtual_address[i+1] : 0;
+
+			*seg_ptr++ = ((i+3) < frag_length) ? \
+					code_virtual_address[i+0] : 0;
 		}
 		tcb_desc->txbuf_size = (u16)i;
 		skb_put(skb, i);
@@ -204,16 +213,16 @@ CPUCheckFirmwareReady_Fail:
 
 bool init_firmware(struct net_device *dev)
 {
-	struct r8192_priv 	*priv = ieee80211_priv(dev);
-	bool			rt_status = TRUE;
-	u32			file_length = 0;
-	u8			*mapped_file = NULL;
-	u32			init_step = 0;
-	enum opt_rst_type	rst_opt = OPT_SYSTEM_RESET;
+	struct r8192_priv *priv = ieee80211_priv(dev);
+	bool rt_status = true;
+	u32 file_length = 0;
+	u8 *mapped_file = NULL;
+	u32 init_step = 0;
+	enum opt_rst_type rst_opt = OPT_SYSTEM_RESET;
 	enum firmware_init_step	starting_state = FW_INIT_STEP0_BOOT;
 
-	rt_firmware		*pfirmware = priv->pFirmware;
-	const struct firmware 	*fw_entry;
+	rt_firmware *pfirmware = priv->pFirmware;
+	const struct firmware *fw_entry;
 	const char *fw_name[3] = { "RTL8192E/boot.img",
 				   "RTL8192E/main.img",
 				   "RTL8192E/data.img"};
@@ -240,31 +249,37 @@ bool init_firmware(struct net_device *dev)
 	 * Download boot, main, and data image for System reset.
 	 * Download data image for firmware reseta
 	 */
-	for (init_step = starting_state; init_step <= FW_INIT_STEP2_DATA; init_step++) {
+	for (init_step = starting_state; init_step <= FW_INIT_STEP2_DATA; \
+			init_step++) {
 		/*
 		 * Open Image file, and map file to contineous memory if open file success.
 		 * or read image file from array. Default load from IMG file
 		 */
 		if (rst_opt == OPT_SYSTEM_RESET) {
 			if (pfirmware->firmware_buf_size[init_step] == 0) {
-				rc = request_firmware(&fw_entry, fw_name[init_step], &priv->pdev->dev);
+				rc = request_firmware(&fw_entry,
+					fw_name[init_step], &priv->pdev->dev);
+
 				if (rc < 0) {
 					RT_TRACE(COMP_FIRMWARE, "request firmware fail!\n");
 					goto download_firmware_fail;
 				}
 
 				if (fw_entry->size > sizeof(pfirmware->firmware_buf[init_step])) {
-					RT_TRACE(COMP_FIRMWARE, "img file size exceed the container buffer fail!\n");
+					RT_TRACE(COMP_FIRMWARE, \
+						"img file size exceed the container buffer fail!\n");
 					goto download_firmware_fail;
 				}
 
 				if (init_step != FW_INIT_STEP1_MAIN) {
-					memcpy(pfirmware->firmware_buf[init_step], fw_entry->data, fw_entry->size);
+					memcpy(pfirmware->firmware_buf[init_step],
+							fw_entry->data, fw_entry->size);
 					pfirmware->firmware_buf_size[init_step] = fw_entry->size;
 
 				} else {
 					memset(pfirmware->firmware_buf[init_step], 0, 128);
-					memcpy(&pfirmware->firmware_buf[init_step][128], fw_entry->data, fw_entry->size);
+					memcpy(&pfirmware->firmware_buf[init_step][128], fw_entry->data,
+									fw_entry->size);
 					pfirmware->firmware_buf_size[init_step] = fw_entry->size+128;
 				}
 
@@ -273,6 +288,7 @@ bool init_firmware(struct net_device *dev)
 			}
 			mapped_file = pfirmware->firmware_buf[init_step];
 			file_length = pfirmware->firmware_buf_size[init_step];
+
 		} else if (rst_opt == OPT_FIRMWARE_RESET) {
 			/* we only need to download data.img here */
 			mapped_file = pfirmware->firmware_buf[init_step];
@@ -346,7 +362,10 @@ bool init_firmware(struct net_device *dev)
 
 download_firmware_fail:
 	RT_TRACE(COMP_ERR, "ERR in %s()\n", __func__);
-	rt_status = FALSE;
+	rt_status = false;
 	return rt_status;
-
 }
+
+MODULE_FIRMWARE("RTL8192E/boot.img");
+MODULE_FIRMWARE("RTL8192E/main.img");
+MODULE_FIRMWARE("RTL8192E/data.img");
diff --git a/drivers/staging/rtl8192e/r819xE_phy.c b/drivers/staging/rtl8192e/r819xE_phy.c
index c44059aeacb6..7bd4fae0667e 100644
--- a/drivers/staging/rtl8192e/r819xE_phy.c
+++ b/drivers/staging/rtl8192e/r819xE_phy.c
@@ -5,7 +5,7 @@
 #include "r819xE_phy.h"
 #include "r8192E_dm.h"
 #ifdef ENABLE_DOT11D
-#include "dot11d.h"
+#include "ieee80211/dot11d.h"
 #endif
 static u32 RF_CHANNEL_TABLE_ZEBRA[] = {
 	0,
diff --git a/drivers/staging/rtl8192e/r819xE_phy.h b/drivers/staging/rtl8192e/r819xE_phy.h
index fa77abe88827..41e0d777eabd 100644
--- a/drivers/staging/rtl8192e/r819xE_phy.h
+++ b/drivers/staging/rtl8192e/r819xE_phy.h
@@ -1,43 +1,46 @@
 #ifndef _R819XU_PHY_H
 #define _R819XU_PHY_H
-/* Channel switch:The size of command tables for switch channel*/
+
+/* Channel switch: the size of command tables for switch channel */
 #define MAX_PRECMD_CNT 16
 #define MAX_RFDEPENDCMD_CNT 16
 #define MAX_POSTCMD_CNT 16
 
 #ifdef RTL8190P
 #define MACPHY_Array_PGLength 21
-#define Rtl819XMACPHY_Array_PG			Rtl8190PciMACPHY_Array_PG
-#define Rtl819XMACPHY_Array				Rtl8190PciMACPHY_Array
+#define Rtl819XMACPHY_Array_PG Rtl8190PciMACPHY_Array_PG
+#define Rtl819XMACPHY_Array Rtl8190PciMACPHY_Array
 #define RadioC_ArrayLength 246
 #define RadioD_ArrayLength 78
-#define Rtl819XRadioA_Array					Rtl8190PciRadioA_Array
-#define Rtl819XRadioB_Array					Rtl8190PciRadioB_Array
-#define Rtl819XRadioC_Array					Rtl8190PciRadioC_Array
-#define Rtl819XRadioD_Array					Rtl8190PciRadioD_Array
-#define Rtl819XAGCTAB_Array				Rtl8190PciAGCTAB_Array
-#define PHY_REGArrayLength 				280
-#define Rtl819XPHY_REGArray				Rtl8190PciPHY_REGArray
-#define PHY_REG_1T2RArrayLength 		280
-#define Rtl819XPHY_REG_1T2RArray		Rtl8190PciPHY_REG_1T2RArray
+#define Rtl819XRadioA_Array Rtl8190PciRadioA_Array
+#define Rtl819XRadioB_Array Rtl8190PciRadioB_Array
+#define Rtl819XRadioC_Array Rtl8190PciRadioC_Array
+#define Rtl819XRadioD_Array Rtl8190PciRadioD_Array
+#define Rtl819XAGCTAB_Array Rtl8190PciAGCTAB_Array
+#define PHY_REGArrayLength 280
+#define Rtl819XPHY_REGArray Rtl8190PciPHY_REGArray
+#define PHY_REG_1T2RArrayLength 280
+#define Rtl819XPHY_REG_1T2RArray Rtl8190PciPHY_REG_1T2RArray
+#endif
+
+
+#ifdef RTL8192E
+#define MACPHY_Array_PGLength 30
+#define Rtl819XMACPHY_Array_PG Rtl8192PciEMACPHY_Array_PG
+#define Rtl819XMACPHY_Array Rtl8192PciEMACPHY_Array
+#define RadioC_ArrayLength 1
+#define RadioD_ArrayLength 1
+#define Rtl819XRadioA_Array Rtl8192PciERadioA_Array
+#define Rtl819XRadioB_Array Rtl8192PciERadioB_Array
+#define Rtl819XRadioC_Array Rtl8192PciERadioC_Array
+#define Rtl819XRadioD_Array Rtl8192PciERadioD_Array
+#define Rtl819XAGCTAB_Array Rtl8192PciEAGCTAB_Array
+#define PHY_REGArrayLength 1
+#define Rtl819XPHY_REGArray Rtl8192PciEPHY_REGArray
+#define PHY_REG_1T2RArrayLength 296
+#define Rtl819XPHY_REG_1T2RArray Rtl8192PciEPHY_REG_1T2RArray
 #endif
 
-	#ifdef RTL8192E
-	#define MACPHY_Array_PGLength 30
-	#define Rtl819XMACPHY_Array_PG			Rtl8192PciEMACPHY_Array_PG
-	#define Rtl819XMACPHY_Array				Rtl8192PciEMACPHY_Array
-	#define RadioC_ArrayLength 1
-	#define RadioD_ArrayLength 1
-	#define Rtl819XRadioA_Array					Rtl8192PciERadioA_Array
-	#define Rtl819XRadioB_Array					Rtl8192PciERadioB_Array
-	#define Rtl819XRadioC_Array					Rtl8192PciERadioC_Array
-	#define Rtl819XRadioD_Array					Rtl8192PciERadioD_Array
-	#define Rtl819XAGCTAB_Array				Rtl8192PciEAGCTAB_Array
-	#define PHY_REGArrayLength 				1
-	#define Rtl819XPHY_REGArray				Rtl8192PciEPHY_REGArray
-	#define PHY_REG_1T2RArrayLength 		296
-	#define Rtl819XPHY_REG_1T2RArray		Rtl8192PciEPHY_REG_1T2RArray
-	#endif
 #define AGCTAB_ArrayLength 384
 #define MACPHY_ArrayLength 18
 
@@ -45,7 +48,7 @@
 #define RadioB_ArrayLength 78
 
 
-typedef enum _SwChnlCmdID{
+typedef enum _SwChnlCmdID {
 	CmdID_End,
 	CmdID_SetTxPowerLevel,
 	CmdID_BBRegWrite10,
@@ -53,16 +56,15 @@ typedef enum _SwChnlCmdID{
 	CmdID_WritePortUshort,
 	CmdID_WritePortUchar,
 	CmdID_RF_WriteReg,
-}SwChnlCmdID;
+} SwChnlCmdID;
 
-/*--------------------------------Define structure--------------------------------*/
-/* 1. Switch channel related */
-typedef struct _SwChnlCmd{
-	SwChnlCmdID	CmdID;
-	u32			Para1;
-	u32			Para2;
-	u32			msDelay;
-}__attribute__ ((packed)) SwChnlCmd;
+/* switch channel data structure */
+typedef struct _SwChnlCmd {
+	SwChnlCmdID CmdID;
+	u32 Para1;
+	u32 Para2;
+	u32 msDelay;
+} __attribute__ ((packed)) SwChnlCmd;
 
 extern u32 rtl819XMACPHY_Array_PG[];
 extern u32 rtl819XPHY_REG_1T2RArray[];
@@ -72,54 +74,90 @@ extern u32 rtl819XRadioB_Array[];
 extern u32 rtl819XRadioC_Array[];
 extern u32 rtl819XRadioD_Array[];
 
-typedef enum _HW90_BLOCK{
+typedef enum _HW90_BLOCK {
 	HW90_BLOCK_MAC = 0,
 	HW90_BLOCK_PHY0 = 1,
 	HW90_BLOCK_PHY1 = 2,
 	HW90_BLOCK_RF = 3,
-	HW90_BLOCK_MAXIMUM = 4, // Never use this
-}HW90_BLOCK_E, *PHW90_BLOCK_E;
-
-typedef enum _RF90_RADIO_PATH{
-	RF90_PATH_A = 0,			//Radio Path A
-	RF90_PATH_B = 1,			//Radio Path B
-	RF90_PATH_C = 2,			//Radio Path C
-	RF90_PATH_D = 3,			//Radio Path D
-	RF90_PATH_MAX				//Max RF number 92 support
-}RF90_RADIO_PATH_E, *PRF90_RADIO_PATH_E;
-
-#define bMaskByte0                0xff
-#define bMaskByte1                0xff00
-#define bMaskByte2                0xff0000
-#define bMaskByte3                0xff000000
-#define bMaskHWord                0xffff0000
-#define bMaskLWord                0x0000ffff
-#define bMaskDWord                0xffffffff
-
-//extern u32 rtl8192_CalculateBitShift(u32 dwBitMask);
-extern u8 rtl8192_phy_CheckIsLegalRFPath(struct net_device* dev, u32 eRFPath);
-extern void rtl8192_setBBreg(struct net_device* dev, u32 dwRegAddr, u32 dwBitMask, u32 dwData);
-extern u32 rtl8192_QueryBBReg(struct net_device* dev, u32 dwRegAddr, u32 dwBitMask);
-//extern u32 rtl8192_phy_RFSerialRead(struct net_device* dev, RF90_RADIO_PATH_E eRFPath, u32 Offset);
-//extern void rtl8192_phy_RFSerialWrite(struct net_device* dev, RF90_RADIO_PATH_E eRFPath, u32 Offset, u32 Data);
-extern void rtl8192_phy_SetRFReg(struct net_device* dev, RF90_RADIO_PATH_E eRFPath, u32 RegAddr, u32 BitMask, u32 Data);
-extern u32 rtl8192_phy_QueryRFReg(struct net_device* dev, RF90_RADIO_PATH_E eRFPath, u32 RegAddr, u32 BitMask);
-extern void rtl8192_phy_configmac(struct net_device* dev);
-extern void rtl8192_phyConfigBB(struct net_device* dev, u8 ConfigType);
-//extern void rtl8192_InitBBRFRegDef(struct net_device* dev);
-extern RT_STATUS rtl8192_phy_checkBBAndRF(struct net_device* dev, HW90_BLOCK_E CheckBlock, RF90_RADIO_PATH_E eRFPath);
-//extern RT_STATUS rtl8192_BB_Config_ParaFile(struct net_device* dev);
-extern RT_STATUS rtl8192_BBConfig(struct net_device* dev);
-extern void rtl8192_phy_getTxPower(struct net_device* dev);
-extern void rtl8192_phy_setTxPower(struct net_device* dev, u8 channel);
+	/* Don't ever use this. */
+	HW90_BLOCK_MAXIMUM = 4,
+} HW90_BLOCK_E, *PHW90_BLOCK_E;
+
+typedef enum _RF90_RADIO_PATH {
+	/* Radio paths */
+	RF90_PATH_A = 0,
+	RF90_PATH_B = 1,
+	RF90_PATH_C = 2,
+	RF90_PATH_D = 3,
+
+	/* Max RF number 92 support */
+	RF90_PATH_MAX
+} RF90_RADIO_PATH_E, *PRF90_RADIO_PATH_E;
+
+#define bMaskByte0 0xff
+#define bMaskByte1 0xff00
+#define bMaskByte2 0xff0000
+#define bMaskByte3 0xff000000
+#define bMaskHWord 0xffff0000
+#define bMaskLWord 0x0000ffff
+#define bMaskDWord 0xffffffff
+
+/*extern u32 rtl8192_CalculateBitShift(u32 dwBitMask);
+
+extern u32 rtl8192_phy_RFSerialRead(struct net_device *dev,
+			RF90_RADIO_PATH_E eRFPath, u32 Offset);
+
+extern void rtl8192_phy_RFSerialWrite(struct net_device *dev,
+		RF90_RADIO_PATH_E eRFPath, u32 Offset, u32 Data);
+
+extern void rtl8192_InitBBRFRegDef(struct net_device *dev);
+
+extern RT_STATUS rtl8192_BB_Config_ParaFile(struct net_device *dev); */
+
+extern u8 rtl8192_phy_CheckIsLegalRFPath(struct net_device *dev, u32 eRFPath);
+
+extern void rtl8192_setBBreg(struct net_device *dev, u32 dwRegAddr,
+			     u32 dwBitMask, u32 dwData);
+
+extern u32 rtl8192_QueryBBReg(struct net_device *dev, u32 dwRegAddr,
+			     u32 dwBitMask);
+
+extern void rtl8192_phy_SetRFReg(struct net_device *dev,
+		RF90_RADIO_PATH_E eRFPath, u32 RegAddr,
+		u32 BitMask, u32 Data);
+
+extern u32 rtl8192_phy_QueryRFReg(struct net_device *dev,
+		RF90_RADIO_PATH_E eRFPath, u32 RegAddr, u32 BitMask);
+
+extern void rtl8192_phy_configmac(struct net_device *dev);
+
+extern void rtl8192_phyConfigBB(struct net_device *dev, u8 ConfigType);
+
+extern RT_STATUS rtl8192_phy_checkBBAndRF(struct net_device *dev,
+		HW90_BLOCK_E CheckBlock, RF90_RADIO_PATH_E eRFPath);
+
+extern RT_STATUS rtl8192_BBConfig(struct net_device *dev);
+
+extern void rtl8192_phy_getTxPower(struct net_device *dev);
+
+extern void rtl8192_phy_setTxPower(struct net_device *dev, u8 channel);
+
 extern RT_STATUS rtl8192_phy_RFConfig(struct net_device* dev);
+
 extern void rtl8192_phy_updateInitGain(struct net_device* dev);
-extern u8 rtl8192_phy_ConfigRFWithHeaderFile(struct net_device* dev, RF90_RADIO_PATH_E	eRFPath);
 
-extern u8 rtl8192_phy_SwChnl(struct net_device* dev, u8 channel);
-extern void rtl8192_SetBWMode(struct net_device *dev, HT_CHANNEL_WIDTH	Bandwidth, HT_EXTCHNL_OFFSET Offset);
+extern u8 rtl8192_phy_ConfigRFWithHeaderFile(struct net_device *dev,
+					RF90_RADIO_PATH_E eRFPath);
+
+extern u8 rtl8192_phy_SwChnl(struct net_device *dev, u8 channel);
+
+extern void rtl8192_SetBWMode(struct net_device *dev,
+		HT_CHANNEL_WIDTH Bandwidth, HT_EXTCHNL_OFFSET Offset);
+
 extern void rtl8192_SwChnl_WorkItem(struct net_device *dev);
+
 extern void rtl8192_SetBWModeWorkItem(struct net_device *dev);
+
 extern void InitialGain819xPci(struct net_device *dev, u8 Operation);
 
-#endif
+#endif /* _R819XU_PHY_H */
diff --git a/drivers/staging/rtl8192e/r819xE_phyreg.h b/drivers/staging/rtl8192e/r819xE_phyreg.h
index 37f0feefaf2c..d5de279f6644 100644
--- a/drivers/staging/rtl8192e/r819xE_phyreg.h
+++ b/drivers/staging/rtl8192e/r819xE_phyreg.h
@@ -38,6 +38,8 @@
 #define	MCS_TXAGC				0x340	// MCS AGC
 #define	CCK_TXAGC				0x348	// CCK AGC
 
+#define	MacBlkCtrl				0x403					// Mac block on/off control register
+
 //page8
 #define rFPGA0_RFMOD              		0x800  //RF mode & CCK TxSC
 #define rFPGA0_TxInfo             		0x804
@@ -79,55 +81,70 @@
 #define rFPGA0_XB_LSSIReadBack    	0x8a4
 #define rFPGA0_XC_LSSIReadBack    	0x8a8
 #define rFPGA0_XD_LSSIReadBack    	0x8ac
-#define rFPGA0_PSDReport          		0x8b4
+#define rFPGA0_PSDReport		0x8b4
 #define rFPGA0_XAB_RFInterfaceRB  	0x8e0
 #define rFPGA0_XCD_RFInterfaceRB  	0x8e4
 
-//page 9
-#define rFPGA1_RFMOD              		0x900  //RF mode & OFDM TxSC
-#define rFPGA1_TxBlock            		0x904
-#define rFPGA1_DebugSelect        		0x908
-#define rFPGA1_TxInfo             		0x90c
-
-//page a
-#define rCCK0_System              		0xa00
-#define rCCK0_AFESetting          		0xa04
-#define rCCK0_CCA                 			0xa08
-#define rCCK0_RxAGC1              		0xa0c  //AGC default value, saturation level
-#define rCCK0_RxAGC2              		0xa10  //AGC & DAGC
-#define rCCK0_RxHP                		0xa14
-#define rCCK0_DSPParameter1       	0xa18  //Timing recovery & Channel estimation threshold
-#define rCCK0_DSPParameter2       	0xa1c  //SQ threshold
-#define rCCK0_TxFilter1           		0xa20
-#define rCCK0_TxFilter2           		0xa24
-#define rCCK0_DebugPort           		0xa28  //debug port and Tx filter3
-#define rCCK0_FalseAlarmReport    	0xa2c  //0xa2d
-#define rCCK0_TRSSIReport         		0xa50
-#define rCCK0_RxReport            		0xa54  //0xa57
-#define rCCK0_FACounterLower      	0xa5c  //0xa5b
-#define rCCK0_FACounterUpper      	0xa58  //0xa5c
-
-//page c
-#define rOFDM0_LSTF               		0xc00
+/* Page 9 - RF mode & OFDM TxSC */
+#define rFPGA1_RFMOD      		0x900
+#define rFPGA1_TxBlock            	0x904
+#define rFPGA1_DebugSelect        	0x908
+#define rFPGA1_TxInfo             	0x90c
+
+/* Page a */
+#define rCCK0_System              	0xa00
+#define rCCK0_AFESetting          	0xa04
+#define rCCK0_CCA                 	0xa08
+/* AGC default value, saturation level */
+#define rCCK0_RxAGC1              	0xa0c
+/* AGC & DAGC */
+#define rCCK0_RxAGC2              	0xa10
+#define rCCK0_RxHP                	0xa14
+/* Timing recovery & channel estimation threshold */
+#define rCCK0_DSPParameter1       	0xa18
+/* SQ threshold */
+#define rCCK0_DSPParameter2       	0xa1c
+#define rCCK0_TxFilter1           	0xa20
+#define rCCK0_TxFilter2           	0xa24
+/* Debug port and TX filter 3 */
+#define rCCK0_DebugPort           	0xa28
+#define rCCK0_FalseAlarmReport    	0xa2c
+#define rCCK0_TRSSIReport         	0xa50
+#define rCCK0_RxReport            	0xa54
+#define rCCK0_FACounterLower      	0xa5c
+#define rCCK0_FACounterUpper      	0xa58
+
+/* Page c */
+#define rOFDM0_LSTF              	0xc00
 #define rOFDM0_TRxPathEnable      	0xc04
-#define rOFDM0_TRMuxPar           		0xc08
-#define rOFDM0_TRSWIsolation      		0xc0c
-#define rOFDM0_XARxAFE            		0xc10  //RxIQ DC offset, Rx digital filter, DC notch filter
-#define rOFDM0_XARxIQImbalance    	0xc14  //RxIQ imblance matrix
-#define rOFDM0_XBRxAFE            		0xc18
+#define rOFDM0_TRMuxPar           	0xc08
+#define rOFDM0_TRSWIsolation      	0xc0c
+/* RxIQ DC offset, Rx digital filter, DC notch filter */
+#define rOFDM0_XARxAFE            	0xc10
+/* RxIQ imblance matrix */
+#define rOFDM0_XARxIQImbalance    	0xc14
+#define rOFDM0_XBRxAFE            	0xc18
 #define rOFDM0_XBRxIQImbalance    	0xc1c
-#define rOFDM0_XCRxAFE            		0xc20
+#define rOFDM0_XCRxAFE           	0xc20
 #define rOFDM0_XCRxIQImbalance    	0xc24
-#define rOFDM0_XDRxAFE            		0xc28
+#define rOFDM0_XDRxAFE            	0xc28
 #define rOFDM0_XDRxIQImbalance    	0xc2c
-#define rOFDM0_RxDetector1        		0xc30  //PD,BW & SBD
-#define rOFDM0_RxDetector2        		0xc34  //SBD & Fame Sync.
-#define rOFDM0_RxDetector3        		0xc38  //Frame Sync.
-#define rOFDM0_RxDetector4        		0xc3c  //PD, SBD, Frame Sync & Short-GI
-#define rOFDM0_RxDSP              		0xc40  //Rx Sync Path
-#define rOFDM0_CFOandDAGC         	0xc44  //CFO & DAGC
-#define rOFDM0_CCADropThreshold   	0xc48 //CCA Drop threshold
-#define rOFDM0_ECCAThreshold      	0xc4c // energy CCA
+/* PD, BW & SBD */
+#define rOFDM0_RxDetector1        	0xc30
+/* SBD */
+#define rOFDM0_RxDetector2		0xc34
+/* Frame Sync */
+#define rOFDM0_RxDetector3         	0xc38
+/* PD, SBD, Frame Sync & Short-GI */
+#define rOFDM0_RxDetector4        	0xc3c
+/* Rx Sync Path */
+#define rOFDM0_RxDSP			0xc40
+/* CFO & DAGC */
+#define rOFDM0_CFOandDAGC         	0xc44
+/* CCA Drop threshold */
+#define rOFDM0_CCADropThreshold   	0xc48
+/* Energy CCA */
+#define rOFDM0_ECCAThreshold      	0xc4c
 #define rOFDM0_XAAGCCore1         	0xc50
 #define rOFDM0_XAAGCCore2         	0xc54
 #define rOFDM0_XBAGCCore1         	0xc58
@@ -139,501 +156,517 @@
 #define rOFDM0_AGCParameter1      	0xc70
 #define rOFDM0_AGCParameter2      	0xc74
 #define rOFDM0_AGCRSSITable       	0xc78
-#define rOFDM0_HTSTFAGC           		0xc7c
+#define rOFDM0_HTSTFAGC           	0xc7c
 #define rOFDM0_XATxIQImbalance   	0xc80
-#define rOFDM0_XATxAFE            		0xc84
+#define rOFDM0_XATxAFE            	0xc84
 #define rOFDM0_XBTxIQImbalance    	0xc88
-#define rOFDM0_XBTxAFE            		0xc8c
+#define rOFDM0_XBTxAFE            	0xc8c
 #define rOFDM0_XCTxIQImbalance    	0xc90
-#define rOFDM0_XCTxAFE            		0xc94
+#define rOFDM0_XCTxAFE            	0xc94
 #define rOFDM0_XDTxIQImbalance    	0xc98
-#define rOFDM0_XDTxAFE            		0xc9c
+#define rOFDM0_XDTxAFE            	0xc9c
 #define rOFDM0_RxHPParameter      	0xce0
 #define rOFDM0_TxPseudoNoiseWgt   	0xce4
-#define rOFDM0_FrameSync          		0xcf0
-#define rOFDM0_DFSReport          		0xcf4
-#define rOFDM0_TxCoeff1           		0xca4
-#define rOFDM0_TxCoeff2           		0xca8
-#define rOFDM0_TxCoeff3           		0xcac
-#define rOFDM0_TxCoeff4           		0xcb0
-#define rOFDM0_TxCoeff5           		0xcb4
-#define rOFDM0_TxCoeff6           		0xcb8
-
-
-//page d
-#define rOFDM1_LSTF               		0xd00
+#define rOFDM0_FrameSync          	0xcf0
+#define rOFDM0_DFSReport          	0xcf4
+#define rOFDM0_TxCoeff1           	0xca4
+#define rOFDM0_TxCoeff2           	0xca8
+#define rOFDM0_TxCoeff3           	0xcac
+#define rOFDM0_TxCoeff4           	0xcb0
+#define rOFDM0_TxCoeff5           	0xcb4
+#define rOFDM0_TxCoeff6           	0xcb8
+
+
+/* Page d */
+#define rOFDM1_LSTF               	0xd00
 #define rOFDM1_TRxPathEnable      	0xd04
-#define rOFDM1_CFO                		0xd08
-#define rOFDM1_CSI1               		0xd10
-#define rOFDM1_SBD                		0xd14
-#define rOFDM1_CSI2               		0xd18
-#define rOFDM1_CFOTracking        		0xd2c
+#define rOFDM1_CFO                	0xd08
+#define rOFDM1_CSI1               	0xd10
+#define rOFDM1_SBD                	0xd14
+#define rOFDM1_CSI2               	0xd18
+#define rOFDM1_CFOTracking        	0xd2c
 #define rOFDM1_TRxMesaure1        	0xd34
-#define rOFDM1_IntfDet            		0xd3c
-#define rOFDM1_PseudoNoiseStateAB 0xd50
-#define rOFDM1_PseudoNoiseStateCD 0xd54
-#define rOFDM1_RxPseudoNoiseWgt   0xd58
-#define rOFDM_PHYCounter1         		0xda0  //cca, parity fail
-#define rOFDM_PHYCounter2         		0xda4  //rate illegal, crc8 fail
-#define rOFDM_PHYCounter3         		0xda8  //MCS not support
-#define rOFDM_ShortCFOAB          		0xdac
-#define rOFDM_ShortCFOCD          		0xdb0
-#define rOFDM_LongCFOAB           		0xdb4
-#define rOFDM_LongCFOCD           		0xdb8
-#define rOFDM_TailCFOAB           		0xdbc
-#define rOFDM_TailCFOCD           		0xdc0
+#define rOFDM1_IntfDet            	0xd3c
+#define rOFDM1_PseudoNoiseStateAB 	0xd50
+#define rOFDM1_PseudoNoiseStateCD 	0xd54
+#define rOFDM1_RxPseudoNoiseWgt   	0xd58
+/* cca, parity fail */
+#define rOFDM_PHYCounter1         	0xda0
+/* rate illegal, crc8 fail */
+#define rOFDM_PHYCounter2   		0xda4
+/* MCS not supported */
+#define rOFDM_PHYCounter3         	0xda8
+#define rOFDM_ShortCFOAB          	0xdac
+#define rOFDM_ShortCFOCD          	0xdb0
+#define rOFDM_LongCFOAB           	0xdb4
+#define rOFDM_LongCFOCD           	0xdb8
+#define rOFDM_TailCFOAB           	0xdbc
+#define rOFDM_TailCFOCD           	0xdc0
 #define rOFDM_PWMeasure1          	0xdc4
 #define rOFDM_PWMeasure2          	0xdc8
-#define rOFDM_BWReport            		0xdcc
-#define rOFDM_AGCReport           		0xdd0
-#define rOFDM_RxSNR               		0xdd4
-#define rOFDM_RxEVMCSI            		0xdd8
-#define rOFDM_SIGReport           		0xddc
-
-//page e
-#define rTxAGC_Rate18_06			0xe00
-#define rTxAGC_Rate54_24			0xe04
-#define rTxAGC_CCK_Mcs32			0xe08
-#define rTxAGC_Mcs03_Mcs00			0xe10
-#define rTxAGC_Mcs07_Mcs04			0xe14
-#define rTxAGC_Mcs11_Mcs08			0xe18
-#define rTxAGC_Mcs15_Mcs12			0xe1c
-
-
-//RF
-//Zebra1
+#define rOFDM_BWReport            	0xdcc
+#define rOFDM_AGCReport           	0xdd0
+#define rOFDM_RxSNR               	0xdd4
+#define rOFDM_RxEVMCSI            	0xdd8
+#define rOFDM_SIGReport           	0xddc
+
+/* Page e */
+#define rTxAGC_Rate18_06		0xe00
+#define rTxAGC_Rate54_24		0xe04
+#define rTxAGC_CCK_Mcs32		0xe08
+#define rTxAGC_Mcs03_Mcs00		0xe10
+#define rTxAGC_Mcs07_Mcs04		0xe14
+#define rTxAGC_Mcs11_Mcs08		0xe18
+#define rTxAGC_Mcs15_Mcs12		0xe1c
+
+
+/* RF Zebra 1 */
 #define rZebra1_HSSIEnable            	0x0
 #define rZebra1_TRxEnable1            	0x1
 #define rZebra1_TRxEnable2           	0x2
-#define rZebra1_AGC                   		0x4
+#define rZebra1_AGC                   	0x4
 #define rZebra1_ChargePump            	0x5
-#define rZebra1_Channel               		0x7
-#define rZebra1_TxGain               	 	0x8
-#define rZebra1_TxLPF                 		0x9
-#define rZebra1_RxLPF                 		0xb
+#define rZebra1_Channel               	0x7
+#define rZebra1_TxGain               	0x8
+#define rZebra1_TxLPF                 	0x9
+#define rZebra1_RxLPF                 	0xb
 #define rZebra1_RxHPFCorner           	0xc
 
-//Zebra4
-#define rGlobalCtrl                   		0
-#define rRTL8256_TxLPF                		19
-#define rRTL8256_RxLPF                		11
+/* Zebra 4 */
+#define rGlobalCtrl                   	0
+#define rRTL8256_TxLPF                	19
+#define rRTL8256_RxLPF                	11
 
-//RTL8258
-#define rRTL8258_TxLPF                		0x11
-#define rRTL8258_RxLPF                		0x13
+/* RTL8258 */
+#define rRTL8258_TxLPF                	0x11
+#define rRTL8258_RxLPF                  0x13
 #define rRTL8258_RSSILPF              	0xa
 
-//Bit Mask
-//page-1
-#define bBBResetB                 			0x100
-#define bGlobalResetB             		0x200
-#define bOFDMTxStart              		0x4
-#define bCCKTxStart               			0x8
-#define bCRC32Debug               		0x100
-#define bPMACLoopback             		0x10
-#define bTxLSIG                   			0xffffff
-#define bOFDMTxRate               		0xf
-#define bOFDMTxReserved           		0x10
-#define bOFDMTxLength             		0x1ffe0
-#define bOFDMTxParity             		0x20000
-#define bTxHTSIG1                 			0xffffff
-#define bTxHTMCSRate              		0x7f
-#define bTxHTBW                   			0x80
-#define bTxHTLength               		0xffff00
-#define bTxHTSIG2                 			0xffffff
-#define bTxHTSmoothing            		0x1
-#define bTxHTSounding             		0x2
-#define bTxHTReserved             		0x4
-#define bTxHTAggreation           		0x8
-#define bTxHTSTBC                 			0x30
-#define bTxHTAdvanceCoding        		0x40
-#define bTxHTShortGI              		0x80
-#define bTxHTNumberHT_LTF         		0x300
-#define bTxHTCRC8                 			0x3fc00
-#define bCounterReset             		0x10000
-#define bNumOfOFDMTx              		0xffff
-#define bNumOfCCKTx               		0xffff0000
-#define bTxIdleInterval           			0xffff
-#define bOFDMService              		0xffff0000
-#define bTxMACHeader              		0xffffffff
-#define bTxDataInit               			0xff
-#define bTxHTMode                 		0x100
-#define bTxDataType               		0x30000
-#define bTxRandomSeed             		0xffffffff
-#define bCCKTxPreamble           		0x1
-#define bCCKTxSFD                 			0xffff0000
-#define bCCKTxSIG                 			0xff
-#define bCCKTxService             		0xff00
-#define bCCKLengthExt             		0x8000
-#define bCCKTxLength              		0xffff0000
-#define bCCKTxCRC16               		0xffff
-#define bCCKTxStatus              		0x1
-#define bOFDMTxStatus             		0x2
-
-//page-8
-#define bRFMOD                    			0x1
-#define bJapanMode                		0x2
-#define bCCKTxSC                  			0x30
-#define bCCKEn                    			0x1000000
-#define bOFDMEn                   			0x2000000
-#define bOFDMRxADCPhase           		0x10000
-#define bOFDMTxDACPhase           		0x40000
-#define bXATxAGC                  			0x3f
-#define bXBTxAGC                  			0xf00
-#define bXCTxAGC                  			0xf000
-#define bXDTxAGC                  			0xf0000
-#define bPAStart                  			0xf0000000
-#define bTRStart                  			0x00f00000
-#define bRFStart                  			0x0000f000
-#define bBBStart                  			0x000000f0
-#define bBBCCKStart               		0x0000000f
-#define bPAEnd                    			0xf          //Reg0x814
-#define bTREnd                    			0x0f000000
-#define bRFEnd                    			0x000f0000
-#define bCCAMask                  			0x000000f0   //T2R
-#define bR2RCCAMask               		0x00000f00
-#define bHSSI_R2TDelay            		0xf8000000
-#define bHSSI_T2RDelay            		0xf80000
-#define bContTxHSSI               		0x400     //channel gain at continue Tx
-#define bIGFromCCK                		0x200
-#define bAGCAddress               		0x3f
-#define bRxHPTx                   			0x7000
-#define bRxHPT2R                  			0x38000
-#define bRxHPCCKIni               		0xc0000
-#define bAGCTxCode                		0xc00000
-#define bAGCRxCode                		0x300000
-#define b3WireDataLength          		0x800
-#define b3WireAddressLength       		0x400
-#define b3WireRFPowerDown         		0x1
-//#define bHWSISelect               		0x8
-#define b5GPAPEPolarity           		0x40000000
-#define b2GPAPEPolarity           		0x80000000
-#define bRFSW_TxDefaultAnt        		0x3
-#define bRFSW_TxOptionAnt         		0x30
-#define bRFSW_RxDefaultAnt        		0x300
-#define bRFSW_RxOptionAnt         		0x3000
-#define bRFSI_3WireData           		0x1
-#define bRFSI_3WireClock          		0x2
-#define bRFSI_3WireLoad           		0x4
-#define bRFSI_3WireRW             		0x8
-#define bRFSI_3Wire               			0xf  //3-wire total control
-#define bRFSI_RFENV               		0x10
-#define bRFSI_TRSW                		0x20
-#define bRFSI_TRSWB               		0x40
-#define bRFSI_ANTSW               		0x100
-#define bRFSI_ANTSWB              		0x200
-#define bRFSI_PAPE                			0x400
-#define bRFSI_PAPE5G              		0x800
-#define bBandSelect               			0x1
-#define bHTSIG2_GI                			0x80
-#define bHTSIG2_Smoothing         		0x01
-#define bHTSIG2_Sounding          		0x02
-#define bHTSIG2_Aggreaton         		0x08
-#define bHTSIG2_STBC              		0x30
-#define bHTSIG2_AdvCoding         		0x40
+/* Bit Mask */
+/* Page 1 */
+#define bBBResetB                 	0x100
+#define bGlobalResetB             	0x200
+#define bOFDMTxStart              	0x4
+#define bCCKTxStart               	0x8
+#define bCRC32Debug               	0x100
+#define bPMACLoopback             	0x10
+#define bTxLSIG                   	0xffffff
+#define bOFDMTxRate               	0xf
+#define bOFDMTxReserved           	0x10
+#define bOFDMTxLength             	0x1ffe0
+#define bOFDMTxParity             	0x20000
+#define bTxHTSIG1                 	0xffffff
+#define bTxHTMCSRate              	0x7f
+#define bTxHTBW                   	0x80
+#define bTxHTLength               	0xffff00
+#define bTxHTSIG2                 	0xffffff
+#define bTxHTSmoothing            	0x1
+#define bTxHTSounding             	0x2
+#define bTxHTReserved             	0x4
+#define bTxHTAggreation           	0x8
+#define bTxHTSTBC                 	0x30
+#define bTxHTAdvanceCoding        	0x40
+#define bTxHTShortGI              	0x80
+#define bTxHTNumberHT_LTF         	0x300
+#define bTxHTCRC8                 	0x3fc00
+#define bCounterReset             	0x10000
+#define bNumOfOFDMTx              	0xffff
+#define bNumOfCCKTx               	0xffff0000
+#define bTxIdleInterval           	0xffff
+#define bOFDMService              	0xffff0000
+#define bTxMACHeader              	0xffffffff
+#define bTxDataInit               	0xff
+#define bTxHTMode                 	0x100
+#define bTxDataType               	0x30000
+#define bTxRandomSeed             	0xffffffff
+#define bCCKTxPreamble           	0x1
+#define bCCKTxSFD                 	0xffff0000
+#define bCCKTxSIG                 	0xff
+#define bCCKTxService             	0xff00
+#define bCCKLengthExt             	0x8000
+#define bCCKTxLength              	0xffff0000
+#define bCCKTxCRC16               	0xffff
+#define bCCKTxStatus              	0x1
+#define bOFDMTxStatus             	0x2
+
+/* Page 8 */
+#define bRFMOD                    	0x1
+#define bJapanMode                	0x2
+#define bCCKTxSC                  	0x30
+#define bCCKEn                    	0x1000000
+#define bOFDMEn                   	0x2000000
+#define bOFDMRxADCPhase           	0x10000
+#define bOFDMTxDACPhase           	0x40000
+#define bXATxAGC                  	0x3f
+#define bXBTxAGC                  	0xf00
+#define bXCTxAGC                  	0xf000
+#define bXDTxAGC                  	0xf0000
+#define bPAStart                  	0xf0000000
+#define bTRStart                  	0x00f00000
+#define bRFStart                  	0x0000f000
+#define bBBStart                  	0x000000f0
+#define bBBCCKStart               	0x0000000f
+/* Reg)x814 */
+#define bPAEnd                    	0xf
+#define bTREnd                    	0x0f000000
+#define bRFEnd                    	0x000f0000
+/* T2R */
+#define bCCAMask                  	0x000000f0
+#define bR2RCCAMask               	0x00000f00
+#define bHSSI_R2TDelay            	0xf8000000
+#define bHSSI_T2RDelay            	0xf80000
+/* Channel gain at continue TX. */
+#define bContTxHSSI               	0x400
+#define bIGFromCCK                	0x200
+#define bAGCAddress               	0x3f
+#define bRxHPTx                   	0x7000
+#define bRxHPT2R                  	0x38000
+#define bRxHPCCKIni               	0xc0000
+#define bAGCTxCode                	0xc00000
+#define bAGCRxCode                	0x300000
+#define b3WireDataLength          	0x800
+#define b3WireAddressLength       	0x400
+#define b3WireRFPowerDown         	0x1
+/*#define bHWSISelect               	0x8 */
+#define b5GPAPEPolarity           	0x40000000
+#define b2GPAPEPolarity           	0x80000000
+#define bRFSW_TxDefaultAnt        	0x3
+#define bRFSW_TxOptionAnt         	0x30
+#define bRFSW_RxDefaultAnt        	0x300
+#define bRFSW_RxOptionAnt         	0x3000
+#define bRFSI_3WireData           	0x1
+#define bRFSI_3WireClock          	0x2
+#define bRFSI_3WireLoad           	0x4
+#define bRFSI_3WireRW             	0x8
+/* 3-wire total control */
+#define bRFSI_3Wire               	0xf
+#define bRFSI_RFENV               	0x10
+#define bRFSI_TRSW                	0x20
+#define bRFSI_TRSWB               	0x40
+#define bRFSI_ANTSW               	0x100
+#define bRFSI_ANTSWB              	0x200
+#define bRFSI_PAPE                	0x400
+#define bRFSI_PAPE5G              	0x800
+#define bBandSelect               	0x1
+#define bHTSIG2_GI                	0x80
+#define bHTSIG2_Smoothing         	0x01
+#define bHTSIG2_Sounding          	0x02
+#define bHTSIG2_Aggreaton         	0x08
+#define bHTSIG2_STBC              	0x30
+#define bHTSIG2_AdvCoding         	0x40
 #define bHTSIG2_NumOfHTLTF        	0x300
-#define bHTSIG2_CRC8              		0x3fc
-#define bHTSIG1_MCS               		0x7f
-#define bHTSIG1_BandWidth         		0x80
-#define bHTSIG1_HTLength          		0xffff
-#define bLSIG_Rate                			0xf
-#define bLSIG_Reserved            		0x10
-#define bLSIG_Length              		0x1fffe
-#define bLSIG_Parity              			0x20
-#define bCCKRxPhase               		0x4
-#define bLSSIReadAddress          		0x3f000000   //LSSI "Read" Address
-#define bLSSIReadEdge             		0x80000000   //LSSI "Read" edge signal
-#define bLSSIReadBackData         		0xfff
-#define bLSSIReadOKFlag           		0x1000
-#define bCCKSampleRate            		0x8       //0: 44MHz, 1:88MHz
-
-#define bRegulator0Standby        		0x1
-#define bRegulatorPLLStandby      		0x2
-#define bRegulator1Standby        		0x4
-#define bPLLPowerUp               		0x8
-#define bDPLLPowerUp              		0x10
-#define bDA10PowerUp              		0x20
-#define bAD7PowerUp               		0x200
-#define bDA6PowerUp               		0x2000
-#define bXtalPowerUp              		0x4000
-#define b40MDClkPowerUP           		0x8000
-#define bDA6DebugMode             		0x20000
-#define bDA6Swing                 			0x380000
-#define bADClkPhase               		0x4000000
-#define b80MClkDelay              		0x18000000
-#define bAFEWatchDogEnable        		0x20000000
-#define bXtalCap                			0x0f000000
-#define bXtalCap01                			0xc0000000
-#define bXtalCap23                			0x3
-#define bXtalCap92x					0x0f000000
-#define bIntDifClkEnable          		0x400
-#define bExtSigClkEnable         	 	0x800
+#define bHTSIG2_CRC8              	0x3fc
+#define bHTSIG1_MCS               	0x7f
+#define bHTSIG1_BandWidth         	0x80
+#define bHTSIG1_HTLength          	0xffff
+#define bLSIG_Rate                	0xf
+#define bLSIG_Reserved            	0x10
+#define bLSIG_Length              	0x1fffe
+#define bLSIG_Parity              	0x20
+#define bCCKRxPhase               	0x4
+/* LSSI "read" address */
+#define bLSSIReadAddress          	0x3f000000
+/* LSSI "read" edge signal */
+#define bLSSIReadEdge             	0x80000000
+#define bLSSIReadBackData         	0xfff
+#define bLSSIReadOKFlag           	0x1000
+/* 0: 44 MHz, 1: 88MHz */
+#define bCCKSampleRate            	0x8
+
+#define bRegulator0Standby        	0x1
+#define bRegulatorPLLStandby      	0x2
+#define bRegulator1Standby        	0x4
+#define bPLLPowerUp               	0x8
+#define bDPLLPowerUp              	0x10
+#define bDA10PowerUp              	0x20
+#define bAD7PowerUp               	0x200
+#define bDA6PowerUp               	0x2000
+#define bXtalPowerUp              	0x4000
+#define b40MDClkPowerUP           	0x8000
+#define bDA6DebugMode             	0x20000
+#define bDA6Swing                 	0x380000
+#define bADClkPhase               	0x4000000
+#define b80MClkDelay              	0x18000000
+#define bAFEWatchDogEnable        	0x20000000
+#define bXtalCap                	0x0f000000
+#define bXtalCap01                	0xc0000000
+#define bXtalCap23                	0x3
+#define bXtalCap92x			0x0f000000
+#define bIntDifClkEnable          	0x400
+#define bExtSigClkEnable         	0x800
 #define bBandgapMbiasPowerUp      	0x10000
-#define bAD11SHGain               		0xc0000
-#define bAD11InputRange           		0x700000
-#define bAD11OPCurrent            		0x3800000
-#define bIPathLoopback            		0x4000000
-#define bQPathLoopback            		0x8000000
-#define bAFELoopback              		0x10000000
-#define bDA10Swing                		0x7e0
-#define bDA10Reverse              		0x800
-#define bDAClkSource              		0x1000
-#define bAD7InputRange            		0x6000
-#define bAD7Gain                  			0x38000
-#define bAD7OutputCMMode          		0x40000
-#define bAD7InputCMMode           		0x380000
-#define bAD7Current               			0xc00000
-#define bRegulatorAdjust          		0x7000000
-#define bAD11PowerUpAtTx          		0x1
-#define bDA10PSAtTx               		0x10
-#define bAD11PowerUpAtRx          		0x100
-#define bDA10PSAtRx               		0x1000
-
-#define bCCKRxAGCFormat           		0x200
-
-#define bPSDFFTSamplepPoint       		0xc000
-#define bPSDAverageNum            		0x3000
-#define bIQPathControl            		0xc00
-#define bPSDFreq                  			0x3ff
-#define bPSDAntennaPath           		0x30
-#define bPSDIQSwitch              		0x40
-#define bPSDRxTrigger             		0x400000
-#define bPSDTxTrigger             		0x80000000
-#define bPSDSineToneScale        		0x7f000000
-#define bPSDReport                			0xffff
-
-//page-9
-#define bOFDMTxSC                 		0x30000000
-#define bCCKTxOn                  			0x1
-#define bOFDMTxOn                 		0x2
-#define bDebugPage                		0xfff  //reset debug page and also HWord, LWord
-#define bDebugItem                		0xff   //reset debug page and LWord
-#define bAntL              	       		0x10
-#define bAntNonHT           	      			0x100
-#define bAntHT1               			0x1000
-#define bAntHT2                   			0x10000
-#define bAntHT1S1                 			0x100000
-#define bAntNonHTS1               		0x1000000
-
-//page-a
-#define bCCKBBMode                		0x3
-#define bCCKTxPowerSaving         		0x80
-#define bCCKRxPowerSaving         		0x40
-#define bCCKSideBand              		0x10
-#define bCCKScramble              		0x8
-#define bCCKAntDiversity    		      	0x8000
+#define bAD11SHGain               	0xc0000
+#define bAD11InputRange           	0x700000
+#define bAD11OPCurrent            	0x3800000
+#define bIPathLoopback            	0x4000000
+#define bQPathLoopback            	0x8000000
+#define bAFELoopback              	0x10000000
+#define bDA10Swing                	0x7e0
+#define bDA10Reverse              	0x800
+#define bDAClkSource              	0x1000
+#define bAD7InputRange            	0x6000
+#define bAD7Gain                  	0x38000
+#define bAD7OutputCMMode          	0x40000
+#define bAD7InputCMMode           	0x380000
+#define bAD7Current               	0xc00000
+#define bRegulatorAdjust          	0x7000000
+#define bAD11PowerUpAtTx          	0x1
+#define bDA10PSAtTx               	0x10
+#define bAD11PowerUpAtRx          	0x100
+#define bDA10PSAtRx               	0x1000
+
+#define bCCKRxAGCFormat           	0x200
+
+#define bPSDFFTSamplepPoint       	0xc000
+#define bPSDAverageNum            	0x3000
+#define bIQPathControl            	0xc00
+#define bPSDFreq                  	0x3ff
+#define bPSDAntennaPath           	0x30
+#define bPSDIQSwitch              	0x40
+#define bPSDRxTrigger             	0x400000
+#define bPSDTxTrigger             	0x80000000
+#define bPSDSineToneScale        	0x7f000000
+#define bPSDReport                	0xffff
+
+/* Page 8 */
+#define bOFDMTxSC                 	0x30000000
+#define bCCKTxOn                  	0x1
+#define bOFDMTxOn                 	0x2
+/* Reset debug page and also HWord, LWord */
+#define bDebugPage                	0xfff
+/* Reset debug page and LWord */
+#define bDebugItem                	0xff
+#define bAntL              	       	0x10
+#define bAntNonHT           	      	0x100
+#define bAntHT1               		0x1000
+#define bAntHT2                   	0x10000
+#define bAntHT1S1                 	0x100000
+#define bAntNonHTS1               	0x1000000
+
+/* Page a */
+#define bCCKBBMode                	0x3
+#define bCCKTxPowerSaving         	0x80
+#define bCCKRxPowerSaving         	0x40
+#define bCCKSideBand              	0x10
+#define bCCKScramble              	0x8
+#define bCCKAntDiversity    		0x8000
 #define bCCKCarrierRecovery   	    	0x4000
-#define bCCKTxRate           		     	0x3000
-#define bCCKDCCancel             	 	0x0800
-#define bCCKISICancel             		0x0400
-#define bCCKMatchFilter           		0x0200
-#define bCCKEqualizer             		0x0100
-#define bCCKPreambleDetect       	 	0x800000
-#define bCCKFastFalseCCA          		0x400000
-#define bCCKChEstStart            		0x300000
-#define bCCKCCACount              		0x080000
-#define bCCKcs_lim                			0x070000
-#define bCCKBistMode              		0x80000000
-#define bCCKCCAMask             	  	0x40000000
+#define bCCKTxRate           		0x3000
+#define bCCKDCCancel             	0x0800
+#define bCCKISICancel             	0x0400
+#define bCCKMatchFilter           	0x0200
+#define bCCKEqualizer             	0x0100
+#define bCCKPreambleDetect       	0x800000
+#define bCCKFastFalseCCA          	0x400000
+#define bCCKChEstStart            	0x300000
+#define bCCKCCACount              	0x080000
+#define bCCKcs_lim                	0x070000
+#define bCCKBistMode              	0x80000000
+#define bCCKCCAMask             	0x40000000
 #define bCCKTxDACPhase         	   	0x4
-#define bCCKRxADCPhase         	   	0x20000000   //r_rx_clk
+/* r_rx_clk */
+#define bCCKRxADCPhase         	 	0x20000000
 #define bCCKr_cp_mode0         	   	0x0100
-#define bCCKTxDCOffset           	 	0xf0
-#define bCCKRxDCOffset           	 	0xf
-#define bCCKCCAMode              	 	0xc000
-#define bCCKFalseCS_lim           		0x3f00
-#define bCCKCS_ratio              		0xc00000
-#define bCCKCorgBit_sel           		0x300000
-#define bCCKPD_lim                			0x0f0000
-#define bCCKNewCCA                		0x80000000
-#define bCCKRxHPofIG              		0x8000
-#define bCCKRxIG                  			0x7f00
-#define bCCKLNAPolarity           		0x800000
-#define bCCKRx1stGain             		0x7f0000
-#define bCCKRFExtend              		0x20000000 //CCK Rx Iinital gain polarity
-#define bCCKRxAGCSatLevel        	 	0x1f000000
-#define bCCKRxAGCSatCount       	  	0xe0
-#define bCCKRxRFSettle            		0x1f       //AGCsamp_dly
-#define bCCKFixedRxAGC           	 	0x8000
-//#define bCCKRxAGCFormat         	 	0x4000   //remove to HSSI register 0x824
-#define bCCKAntennaPolarity      	 	0x2000
-#define bCCKTxFilterType          		0x0c00
+#define bCCKTxDCOffset           	0xf0
+#define bCCKRxDCOffset         		0xf
+#define bCCKCCAMode              	0xc000
+#define bCCKFalseCS_lim           	0x3f00
+#define bCCKCS_ratio              	0xc00000
+#define bCCKCorgBit_sel           	0x300000
+#define bCCKPD_lim                	0x0f0000
+#define bCCKNewCCA                	0x80000000
+#define bCCKRxHPofIG              	0x8000
+#define bCCKRxIG                  	0x7f00
+#define bCCKLNAPolarity           	0x800000
+#define bCCKRx1stGain             	0x7f0000
+/* CCK Rx Initial gain polarity */
+#define bCCKRFExtend              	0x20000000
+#define bCCKRxAGCSatLevel        	0x1f000000
+#define bCCKRxAGCSatCount       	0xe0
+/* AGCSAmp_dly */
+#define bCCKRxRFSettle            	0x1f
+#define bCCKFixedRxAGC           	0x8000
+/*#define bCCKRxAGCFormat         	0x4000  remove to HSSI register 0x824 */
+#define bCCKAntennaPolarity      	0x2000
+#define bCCKTxFilterType          	0x0c00
 #define bCCKRxAGCReportType   	   	0x0300
-#define bCCKRxDAGCEn              		0x80000000
-#define bCCKRxDAGCPeriod        	  	0x20000000
+#define bCCKRxDAGCEn              	0x80000000
+#define bCCKRxDAGCPeriod        	0x20000000
 #define bCCKRxDAGCSatLevel     	   	0x1f000000
-#define bCCKTimingRecovery       	 	0x800000
-#define bCCKTxC0                  			0x3f0000
-#define bCCKTxC1                  			0x3f000000
-#define bCCKTxC2                  			0x3f
-#define bCCKTxC3                  			0x3f00
-#define bCCKTxC4                  			0x3f0000
-#define bCCKTxC5                  			0x3f000000
-#define bCCKTxC6                  			0x3f
-#define bCCKTxC7                  			0x3f00
-#define bCCKDebugPort             		0xff0000
-#define bCCKDACDebug              		0x0f000000
-#define bCCKFalseAlarmEnable      		0x8000
-#define bCCKFalseAlarmRead        		0x4000
-#define bCCKTRSSI                 			0x7f
-#define bCCKRxAGCReport           		0xfe
-#define bCCKRxReport_AntSel       		0x80000000
-#define bCCKRxReport_MFOff        		0x40000000
+#define bCCKTimingRecovery       	0x800000
+#define bCCKTxC0                  	0x3f0000
+#define bCCKTxC1                  	0x3f000000
+#define bCCKTxC2                  	0x3f
+#define bCCKTxC3                  	0x3f00
+#define bCCKTxC4                  	0x3f0000
+#define bCCKTxC5                  	0x3f000000
+#define bCCKTxC6                  	0x3f
+#define bCCKTxC7                  	0x3f00
+#define bCCKDebugPort             	0xff0000
+#define bCCKDACDebug              	0x0f000000
+#define bCCKFalseAlarmEnable      	0x8000
+#define bCCKFalseAlarmRead        	0x4000
+#define bCCKTRSSI                 	0x7f
+#define bCCKRxAGCReport           	0xfe
+#define bCCKRxReport_AntSel       	0x80000000
+#define bCCKRxReport_MFOff        	0x40000000
 #define bCCKRxRxReport_SQLoss     	0x20000000
-#define bCCKRxReport_Pktloss      		0x10000000
+#define bCCKRxReport_Pktloss      	0x10000000
 #define bCCKRxReport_Lockedbit    	0x08000000
 #define bCCKRxReport_RateError    	0x04000000
-#define bCCKRxReport_RxRate       		0x03000000
+#define bCCKRxReport_RxRate       	0x03000000
 #define bCCKRxFACounterLower      	0xff
 #define bCCKRxFACounterUpper      	0xff000000
-#define bCCKRxHPAGCStart          		0xe000
-#define bCCKRxHPAGCFinal          		0x1c00
+#define bCCKRxHPAGCStart          	0xe000
+#define bCCKRxHPAGCFinal          	0x1c00
 
 #define bCCKRxFalseAlarmEnable    	0x8000
-#define bCCKFACounterFreeze       		0x4000
-
-#define bCCKTxPathSel             		0x10000000
-#define bCCKDefaultRxPath         		0xc000000
-#define bCCKOptionRxPath          		0x3000000
-
-//page c
-#define bNumOfSTF                			0x3
-#define bShift_L                 			0xc0
-#define bGI_TH                   			0xc
-#define bRxPathA                 			0x1
-#define bRxPathB                 			0x2
-#define bRxPathC                 			0x4
-#define bRxPathD                 			0x8
-#define bTxPathA                 			0x1
-#define bTxPathB                 			0x2
-#define bTxPathC                 			0x4
-#define bTxPathD                 			0x8
-#define bTRSSIFreq               			0x200
-#define bADCBackoff              			0x3000
-#define bDFIRBackoff             			0xc000
-#define bTRSSILatchPhase         		0x10000
-#define bRxIDCOffset             			0xff
-#define bRxQDCOffset             			0xff00
-#define bRxDFIRMode              		0x1800000
-#define bRxDCNFType              		0xe000000
-#define bRXIQImb_A               			0x3ff
-#define bRXIQImb_B               			0xfc00
-#define bRXIQImb_C               			0x3f0000
-#define bRXIQImb_D               			0xffc00000
-#define bDC_dc_Notch             		0x60000
-#define bRxNBINotch              			0x1f000000
-#define bPD_TH                   			0xf
-#define bPD_TH_Opt2              		0xc000
-#define bPWED_TH                 			0x700
-#define bIfMF_Win_L              			0x800
-#define bPD_Option               			0x1000
-#define bMF_Win_L                			0xe000
-#define bBW_Search_L             		0x30000
-#define bwin_enh_L               			0xc0000
-#define bBW_TH                   			0x700000
-#define bED_TH2                  			0x3800000
-#define bBW_option               			0x4000000
-#define bRatio_TH                			0x18000000
-#define bWindow_L                			0xe0000000
-#define bSBD_Option              			0x1
-#define bFrame_TH                			0x1c
-#define bFS_Option               			0x60
-#define bDC_Slope_check          		0x80
-#define bFGuard_Counter_DC_L     		0xe00
-#define bFrame_Weight_Short      		0x7000
-#define bSub_Tune                			0xe00000
-#define bFrame_DC_Length         		0xe000000
-#define bSBD_start_offset        		0x30000000
-#define bFrame_TH_2              		0x7
-#define bFrame_GI2_TH            		0x38
-#define bGI2_Sync_en             		0x40
-#define bSarch_Short_Early       		0x300
-#define bSarch_Short_Late        		0xc00
-#define bSarch_GI2_Late          		0x70000
-#define bCFOAntSum               		0x1
-#define bCFOAcc                  			0x2
-#define bCFOStartOffset          		0xc
-#define bCFOLookBack             		0x70
-#define bCFOSumWeight            		0x80
-#define bDAGCEnable              			0x10000
-#define bTXIQImb_A               			0x3ff
-#define bTXIQImb_B               			0xfc00
-#define bTXIQImb_C               			0x3f0000
-#define bTXIQImb_D               			0xffc00000
-#define bTxIDCOffset             			0xff
-#define bTxQDCOffset             			0xff00
-#define bTxDFIRMode              		0x10000
-#define bTxPesudoNoiseOn         		0x4000000
-#define bTxPesudoNoise_A         		0xff
-#define bTxPesudoNoise_B         		0xff00
-#define bTxPesudoNoise_C         		0xff0000
-#define bTxPesudoNoise_D         		0xff000000
-#define bCCADropOption           		0x20000
-#define bCCADropThres            		0xfff00000
-#define bEDCCA_H                 			0xf
-#define bEDCCA_L                 			0xf0
-#define bLambda_ED               0x300
-#define bRxInitialGain           0x7f
-#define bRxAntDivEn              0x80
-#define bRxAGCAddressForLNA      0x7f00
-#define bRxHighPowerFlow         0x8000
-#define bRxAGCFreezeThres        0xc0000
-#define bRxFreezeStep_AGC1       0x300000
-#define bRxFreezeStep_AGC2       0xc00000
-#define bRxFreezeStep_AGC3       0x3000000
-#define bRxFreezeStep_AGC0       0xc000000
-#define bRxRssi_Cmp_En           0x10000000
-#define bRxQuickAGCEn            0x20000000
-#define bRxAGCFreezeThresMode    0x40000000
-#define bRxOverFlowCheckType     0x80000000
-#define bRxAGCShift              0x7f
-#define bTRSW_Tri_Only           0x80
-#define bPowerThres              0x300
-#define bRxAGCEn                 0x1
-#define bRxAGCTogetherEn         0x2
-#define bRxAGCMin                0x4
-#define bRxHP_Ini                0x7
-#define bRxHP_TRLNA              0x70
-#define bRxHP_RSSI               0x700
-#define bRxHP_BBP1               0x7000
-#define bRxHP_BBP2               0x70000
-#define bRxHP_BBP3               0x700000
-#define bRSSI_H                  0x7f0000     //the threshold for high power
-#define bRSSI_Gen                0x7f000000   //the threshold for ant diversity
-#define bRxSettle_TRSW           0x7
-#define bRxSettle_LNA            0x38
-#define bRxSettle_RSSI           0x1c0
-#define bRxSettle_BBP            0xe00
-#define bRxSettle_RxHP           0x7000
-#define bRxSettle_AntSW_RSSI     0x38000
-#define bRxSettle_AntSW          0xc0000
-#define bRxProcessTime_DAGC      0x300000
-#define bRxSettle_HSSI           0x400000
-#define bRxProcessTime_BBPPW     0x800000
-#define bRxAntennaPowerShift     0x3000000
-#define bRSSITableSelect         0xc000000
-#define bRxHP_Final              0x7000000
-#define bRxHTSettle_BBP          0x7
-#define bRxHTSettle_HSSI         0x8
-#define bRxHTSettle_RxHP         0x70
-#define bRxHTSettle_BBPPW        0x80
-#define bRxHTSettle_Idle         0x300
-#define bRxHTSettle_Reserved     0x1c00
-#define bRxHTRxHPEn              0x8000
-#define bRxHTAGCFreezeThres      0x30000
-#define bRxHTAGCTogetherEn       0x40000
-#define bRxHTAGCMin              0x80000
-#define bRxHTAGCEn               0x100000
-#define bRxHTDAGCEn              0x200000
-#define bRxHTRxHP_BBP            0x1c00000
-#define bRxHTRxHP_Final          0xe0000000
-#define bRxPWRatioTH             0x3
-#define bRxPWRatioEn             0x4
-#define bRxMFHold                0x3800
-#define bRxPD_Delay_TH1          0x38
-#define bRxPD_Delay_TH2          0x1c0
-#define bRxPD_DC_COUNT_MAX       0x600
-//#define bRxMF_Hold               0x3800
+#define bCCKFACounterFreeze       	0x4000
+
+#define bCCKTxPathSel             	0x10000000
+#define bCCKDefaultRxPath         	0xc000000
+#define bCCKOptionRxPath          	0x3000000
+
+/* Page c */
+#define bNumOfSTF                	0x3
+#define bShift_L                 	0xc0
+#define bGI_TH                   	0xc
+#define bRxPathA                 	0x1
+#define bRxPathB                 	0x2
+#define bRxPathC                 	0x4
+#define bRxPathD                 	0x8
+#define bTxPathA                 	0x1
+#define bTxPathB                 	0x2
+#define bTxPathC                 	0x4
+#define bTxPathD                 	0x8
+#define bTRSSIFreq               	0x200
+#define bADCBackoff              	0x3000
+#define bDFIRBackoff             	0xc000
+#define bTRSSILatchPhase         	0x10000
+#define bRxIDCOffset             	0xff
+#define bRxQDCOffset             	0xff00
+#define bRxDFIRMode              	0x1800000
+#define bRxDCNFType              	0xe000000
+#define bRXIQImb_A               	0x3ff
+#define bRXIQImb_B               	0xfc00
+#define bRXIQImb_C               	0x3f0000
+#define bRXIQImb_D               	0xffc00000
+#define bDC_dc_Notch             	0x60000
+#define bRxNBINotch              	0x1f000000
+#define bPD_TH                   	0xf
+#define bPD_TH_Opt2              	0xc000
+#define bPWED_TH                 	0x700
+#define bIfMF_Win_L              	0x800
+#define bPD_Option               	0x1000
+#define bMF_Win_L                	0xe000
+#define bBW_Search_L             	0x30000
+#define bwin_enh_L               	0xc0000
+#define bBW_TH                   	0x700000
+#define bED_TH2                  	0x3800000
+#define bBW_option               	0x4000000
+#define bRatio_TH                	0x18000000
+#define bWindow_L                	0xe0000000
+#define bSBD_Option              	0x1
+#define bFrame_TH                	0x1c
+#define bFS_Option               	0x60
+#define bDC_Slope_check          	0x80
+#define bFGuard_Counter_DC_L     	0xe00
+#define bFrame_Weight_Short      	0x7000
+#define bSub_Tune                	0xe00000
+#define bFrame_DC_Length         	0xe000000
+#define bSBD_start_offset        	0x30000000
+#define bFrame_TH_2              	0x7
+#define bFrame_GI2_TH            	0x38
+#define bGI2_Sync_en             	0x40
+#define bSarch_Short_Early       	0x300
+#define bSarch_Short_Late        	0xc00
+#define bSarch_GI2_Late          	0x70000
+#define bCFOAntSum               	0x1
+#define bCFOAcc                  	0x2
+#define bCFOStartOffset          	0xc
+#define bCFOLookBack             	0x70
+#define bCFOSumWeight            	0x80
+#define bDAGCEnable              	0x10000
+#define bTXIQImb_A               	0x3ff
+#define bTXIQImb_B               	0xfc00
+#define bTXIQImb_C               	0x3f0000
+#define bTXIQImb_D               	0xffc00000
+#define bTxIDCOffset             	0xff
+#define bTxQDCOffset             	0xff00
+#define bTxDFIRMode              	0x10000
+#define bTxPesudoNoiseOn         	0x4000000
+#define bTxPesudoNoise_A         	0xff
+#define bTxPesudoNoise_B         	0xff00
+#define bTxPesudoNoise_C         	0xff0000
+#define bTxPesudoNoise_D         	0xff000000
+#define bCCADropOption           	0x20000
+#define bCCADropThres            	0xfff00000
+#define bEDCCA_H                 	0xf
+#define bEDCCA_L                 	0xf0
+#define bLambda_ED               	0x300
+#define bRxInitialGain           	0x7f
+#define bRxAntDivEn              	0x80
+#define bRxAGCAddressForLNA      	0x7f00
+#define bRxHighPowerFlow         	0x8000
+#define bRxAGCFreezeThres        	0xc0000
+#define bRxFreezeStep_AGC1       	0x300000
+#define bRxFreezeStep_AGC2       	0xc00000
+#define bRxFreezeStep_AGC3       	0x3000000
+#define bRxFreezeStep_AGC0       	0xc000000
+#define bRxRssi_Cmp_En           	0x10000000
+#define bRxQuickAGCEn            	0x20000000
+#define bRxAGCFreezeThresMode    	0x40000000
+#define bRxOverFlowCheckType     	0x80000000
+#define bRxAGCShift              	0x7f
+#define bTRSW_Tri_Only           	0x80
+#define bPowerThres              	0x300
+#define bRxAGCEn                	0x1
+#define bRxAGCTogetherEn         	0x2
+#define bRxAGCMin                	0x4
+#define bRxHP_Ini                	0x7
+#define bRxHP_TRLNA              	0x70
+#define bRxHP_RSSI               	0x700
+#define bRxHP_BBP1               	0x7000
+#define bRxHP_BBP2               	0x70000
+#define bRxHP_BBP3               	0x700000
+/* The threshold for high power */
+#define bRSSI_H                  	0x7f0000
+/* The threshold for ant diversity */
+#define bRSSI_Gen                	0x7f000000
+#define bRxSettle_TRSW           	0x7
+#define bRxSettle_LNA            	0x38
+#define bRxSettle_RSSI           	0x1c0
+#define bRxSettle_BBP            	0xe00
+#define bRxSettle_RxHP           	0x7000
+#define bRxSettle_AntSW_RSSI     	0x38000
+#define bRxSettle_AntSW          	0xc0000
+#define bRxProcessTime_DAGC      	0x300000
+#define bRxSettle_HSSI           	0x400000
+#define bRxProcessTime_BBPPW     	0x800000
+#define bRxAntennaPowerShift     	0x3000000
+#define bRSSITableSelect         	0xc000000
+#define bRxHP_Final              	0x7000000
+#define bRxHTSettle_BBP          	0x7
+#define bRxHTSettle_HSSI         	0x8
+#define bRxHTSettle_RxHP         	0x70
+#define bRxHTSettle_BBPPW        	0x80
+#define bRxHTSettle_Idle         	0x300
+#define bRxHTSettle_Reserved     	0x1c00
+#define bRxHTRxHPEn              	0x8000
+#define bRxHTAGCFreezeThres      	0x30000
+#define bRxHTAGCTogetherEn       	0x40000
+#define bRxHTAGCMin              	0x80000
+#define bRxHTAGCEn               	0x100000
+#define bRxHTDAGCEn              	0x200000
+#define bRxHTRxHP_BBP            	0x1c00000
+#define bRxHTRxHP_Final          	0xe0000000
+#define bRxPWRatioTH             	0x3
+#define bRxPWRatioEn             	0x4
+#define bRxMFHold                	0x3800
+#define bRxPD_Delay_TH1          	0x38
+#define bRxPD_Delay_TH2          	0x1c0
+#define bRxPD_DC_COUNT_MAX       	0x600
+/*#define bRxMF_Hold               	0x3800*/
 #define bRxPD_Delay_TH           0x8000
 #define bRxProcess_Delay         0xf0000
 #define bRxSearchrange_GI2_Early 0x700000
@@ -659,7 +692,7 @@
 
 #define bExtLNAGain              0x7c00
 
-//page d
+/* Page d */
 #define bSTBCEn                  0x4
 #define bAntennaMapping          0x10
 #define bNss                     0x20
@@ -669,12 +702,12 @@
 #define bOFDMContinueTx          0x10000000
 #define bOFDMSingleCarrier       0x20000000
 #define bOFDMSingleTone          0x40000000
-//#define bRxPath1                 0x01
-//#define bRxPath2                 0x02
-//#define bRxPath3                 0x04
-//#define bRxPath4                 0x08
-//#define bTxPath1                 0x10
-//#define bTxPath2                 0x20
+/*#define bRxPath1                 0x01
+#define bRxPath2                 0x02
+#define bRxPath3                 0x04
+#define bRxPath4                 0x08
+#define bTxPath1                 0x10
+#define bTxPath2                 0x20*/
 #define bHTDetect                0x100
 #define bCFOEn                   0x10000
 #define bCFOValue                0xfff00000
@@ -687,8 +720,10 @@
 #define bCounter_MCSNoSupport    0xffff
 #define bCounter_FastSync        0xffff
 #define bShortCFO                0xfff
-#define bShortCFOTLength         12   //total
-#define bShortCFOFLength         11   //fraction
+/* total */
+#define bShortCFOTLength         12
+/* fraction */
+#define bShortCFOFLength         11
 #define bLongCFO                 0x7ff
 #define bLongCFOTLength          11
 #define bLongCFOFLength          11
@@ -765,18 +800,18 @@
 #define bUChCfg                  0x7000000
 #define bUpdEqz                  0x8000000
 
-//page e
-#define bTxAGCRate18_06			0x7f7f7f7f
-#define bTxAGCRate54_24			0x7f7f7f7f
+/* Page e */
+#define bTxAGCRate18_06		0x7f7f7f7f
+#define bTxAGCRate54_24		0x7f7f7f7f
 #define bTxAGCRateMCS32		0x7f
-#define bTxAGCRateCCK			0x7f00
+#define bTxAGCRateCCK		0x7f00
 #define bTxAGCRateMCS3_MCS0	0x7f7f7f7f
 #define bTxAGCRateMCS7_MCS4	0x7f7f7f7f
 #define bTxAGCRateMCS11_MCS8	0x7f7f7f7f
 #define bTxAGCRateMCS15_MCS12	0x7f7f7f7f
 
 
-//Rx Pseduo noise
+/* Rx Pseduo noise */
 #define bRxPesudoNoiseOn         0x20000000
 #define bRxPesudoNoise_A         0xff
 #define bRxPesudoNoise_B         0xff00
@@ -787,8 +822,7 @@
 #define bPesudoNoiseState_C      0xffff
 #define bPesudoNoiseState_D      0xffff0000
 
-//RF
-//Zebra1
+/* RF Zebra 1 */
 #define bZebra1_HSSIEnable        0x8
 #define bZebra1_TRxControl        0xc00
 #define bZebra1_TRxGainSetting    0x07f
@@ -799,7 +833,7 @@
 #define bZebra1_TxLPFBW           0x400
 #define bZebra1_RxLPFBW           0x600
 
-//Zebra4
+/* Zebra4 */
 #define bRTL8256RegModeCtrl1      0x100
 #define bRTL8256RegModeCtrl0      0x40
 #define bRTL8256_TxLPFBW          0x18
@@ -810,7 +844,7 @@
 #define bRTL8258_RxLPFBW          0xc00
 #define bRTL8258_RSSILPFBW        0xc0
 
-//byte endable for sb_write
+/* byte endable for sb_write */
 #define bByte0                    0x1
 #define bByte1                    0x2
 #define bByte2                    0x4
@@ -819,7 +853,7 @@
 #define bWord1                    0xc
 #define bDWord                    0xf
 
-//for PutRegsetting & GetRegSetting BitMask
+/* for PutRegsetting & GetRegSetting BitMask */
 #define bMaskByte0                0xff
 #define bMaskByte1                0xff00
 #define bMaskByte2                0xff0000
@@ -828,7 +862,7 @@
 #define bMaskLWord                0x0000ffff
 #define bMaskDWord                0xffffffff
 
-//for PutRFRegsetting & GetRFRegSetting BitMask
+/* for PutRFRegsetting & GetRFRegSetting BitMask */
 #define bMask12Bits               0xfff
 
 #define bEnable                   0x1
@@ -837,14 +871,16 @@
 #define LeftAntenna               0x0
 #define RightAntenna              0x1
 
-#define tCheckTxStatus            500   //500ms
-#define tUpdateRxCounter          100   //100ms
+/* 500 ms */
+#define tCheckTxStatus            500
+/* 100 ms */
+#define tUpdateRxCounter          100
 
 #define rateCCK     0
 #define rateOFDM    1
 #define rateHT      2
 
-//define Register-End
+/* define Register-End */
 #define bPMAC_End                 0x1ff
 #define bFPGAPHY0_End             0x8ff
 #define bFPGAPHY1_End             0x9ff
@@ -852,12 +888,12 @@
 #define bOFDMPHY0_End             0xcff
 #define bOFDMPHY1_End             0xdff
 
-//define max debug item in each debug page
-//#define bMaxItem_FPGA_PHY0        0x9
-//#define bMaxItem_FPGA_PHY1        0x3
-//#define bMaxItem_PHY_11B          0x16
-//#define bMaxItem_OFDM_PHY0        0x29
-//#define bMaxItem_OFDM_PHY1        0x0
+/*#define max debug item in each debug page
+#define bMaxItem_FPGA_PHY0        0x9
+#define bMaxItem_FPGA_PHY1        0x3
+#define bMaxItem_PHY_11B          0x16
+#define bMaxItem_OFDM_PHY0        0x29
+#define bMaxItem_OFDM_PHY1        0x0 */
 
 #define bPMACControl              0x0
 #define bWMACControl              0x1
@@ -868,11 +904,12 @@
 #define PathC                     0x2
 #define PathD                     0x3
 
-#define	rRTL8256RxMixerPole		0xb
-#define 	bZebraRxMixerPole		0x6
-#define 	rRTL8256TxBBOPBias        0x9
-#define 	bRTL8256TxBBOPBias       0x400
-#define 	rRTL8256TxBBBW             19
-#define 	bRTL8256TxBBBW            	0x18
+#define rRTL8256RxMixerPole	0xb
+#define bZebraRxMixerPole	0x6
+#define rRTL8256TxBBOPBias	0x9
+#define bRTL8256TxBBOPBias	0x400
+#define rRTL8256TxBBBW		19
+#define bRTL8256TxBBBW		0x18
+
 
-#endif	//__INC_HAL8190PCIPHYREG_H
+#endif	/* __INC_HAL8190PCIPHYREG_H */
diff --git a/drivers/staging/rtl8192su/Kconfig b/drivers/staging/rtl8192su/Kconfig
index 123fa6d6a93b..b72a96206f58 100644
--- a/drivers/staging/rtl8192su/Kconfig
+++ b/drivers/staging/rtl8192su/Kconfig
@@ -1,6 +1,7 @@
 config RTL8192SU
 	tristate "RealTek RTL8192SU Wireless LAN NIC driver"
 	depends on PCI && WLAN && USB
-	depends on WIRELESS_EXT
+	select WIRELESS_EXT
+	select WEXT_PRIV
 	default N
 	---help---
diff --git a/drivers/staging/rtl8192su/TODO b/drivers/staging/rtl8192su/TODO
index f11eec700030..3c8da157a93c 100644
--- a/drivers/staging/rtl8192su/TODO
+++ b/drivers/staging/rtl8192su/TODO
@@ -4,7 +4,6 @@ TODO:
   - cleanup ieee80211.h
   - move rtl8192su's specific code out from ieee80211.h
   - abstract rtl819su's specific code
-  - use list_for_each_safe() in ieee80211_crypto_deinit
 - switch to use shared "librtl" instead of private ieee80211 stack
 - switch to use LIB80211
 - switch to use MAC80211
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211.h b/drivers/staging/rtl8192su/ieee80211/ieee80211.h
index 2b8c85556dcb..32b261d15594 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211.h
@@ -30,6 +30,7 @@
 #include <linux/jiffies.h>
 #include <linux/timer.h>
 #include <linux/sched.h>
+#include <linux/semaphore.h>
 
 #include <linux/delay.h>
 #include <linux/wireless.h>
@@ -195,10 +196,6 @@ extern u32 ieee80211_debug_level;
 #define IEEE80211_DEBUG_DATA(level, data, datalen) do {} while(0)
 #endif	/* CONFIG_IEEE80211_DEBUG */
 
-#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
-#define MAC_ARG(x) ((u8 *)(x))[0], ((u8 *)(x))[1], ((u8 *)(x))[2], \
-		   ((u8 *)(x))[3], ((u8 *)(x))[4], ((u8 *)(x))[5]
-
 /*
  * To use the debug system;
  *
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c
index 521e7b989934..c4640e63196b 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt.c
@@ -226,19 +226,20 @@ out:
 void __exit ieee80211_crypto_deinit(void)
 {
 	struct list_head *ptr, *n;
+	struct ieee80211_crypto_alg *alg = NULL;
 
 	if (hcrypt == NULL)
 		return;
 
-	for (ptr = hcrypt->algs.next, n = ptr->next; ptr != &hcrypt->algs;
-	     ptr = n, n = ptr->next) {
-		struct ieee80211_crypto_alg *alg =
-			(struct ieee80211_crypto_alg *) ptr;
-		list_del(ptr);
-		printk(KERN_DEBUG "ieee80211_crypt: unregistered algorithm "
-		       "'%s' (deinit)\n", alg->ops->name);
-		kfree(alg);
+	list_for_each_safe(ptr, n, &hcrypt->algs) {
+		alg = list_entry(ptr, struct ieee80211_crypto_alg, list);
+		if (alg) {
+			list_del(ptr);
+			printk(KERN_DEBUG
+			       "ieee80211_crypt: unregistered algorithm '%s' (deinit)\n",
+			       alg->ops->name);
+			kfree(alg);
+		}
 	}
-
 	kfree(hcrypt);
 }
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_ccmp.c
index 7bc956e1f458..8a93f7d3eb38 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_ccmp.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_ccmp.c
@@ -288,7 +288,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	if (!(keyidx & (1 << 5))) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "CCMP: received packet without ExtIV"
-			       " flag from " MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       " flag from %pM\n", hdr->addr2);
 		}
 		key->dot11RSNAStatsCCMPFormatErrors++;
 		return -2;
@@ -301,9 +301,9 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	}
 	if (!key->key_set) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "CCMP: received packet from " MAC_FMT
+			printk(KERN_DEBUG "CCMP: received packet from %pM"
 			       " with keyid=%d that does not have a configured"
-			       " key\n", MAC_ARG(hdr->addr2), keyidx);
+			       " key\n", hdr->addr2, keyidx);
 		}
 		return -3;
 	}
@@ -318,11 +318,9 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 
 	if (memcmp(pn, key->rx_pn, CCMP_PN_LEN) <= 0) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "CCMP: replay detected: STA=" MAC_FMT
-			       " previous PN %02x%02x%02x%02x%02x%02x "
-			       "received PN %02x%02x%02x%02x%02x%02x\n",
-			       MAC_ARG(hdr->addr2), MAC_ARG(key->rx_pn),
-			       MAC_ARG(pn));
+			printk(KERN_DEBUG "CCMP: replay detected: STA=%pM"
+			       " previous PN %pm received PN %pm\n",
+			       hdr->addr2, key->rx_pn, pn);
 		}
 		key->dot11RSNAStatsCCMPReplays++;
 		return -4;
@@ -359,7 +357,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 		if (memcmp(mic, a, CCMP_MIC_LEN) != 0) {
 			if (net_ratelimit()) {
 				printk(KERN_DEBUG "CCMP: decrypt failed: STA="
-				MAC_FMT "\n", MAC_ARG(hdr->addr2));
+				"%pM\n", hdr->addr2);
 			}
 			key->dot11RSNAStatsCCMPDecryptErrors++;
 			return -5;
@@ -435,11 +433,10 @@ static char * ieee80211_ccmp_print_stats(char *p, void *priv)
 {
 	struct ieee80211_ccmp_data *ccmp = priv;
 	p += sprintf(p, "key[%d] alg=CCMP key_set=%d "
-		     "tx_pn=%02x%02x%02x%02x%02x%02x "
-		     "rx_pn=%02x%02x%02x%02x%02x%02x "
+		     "tx_pn=%pm rx_pn=%pm "
 		     "format_errors=%d replays=%d decrypt_errors=%d\n",
 		     ccmp->key_idx, ccmp->key_set,
-		     MAC_ARG(ccmp->tx_pn), MAC_ARG(ccmp->rx_pn),
+		     ccmp->tx_pn, ccmp->rx_pn,
 		     ccmp->dot11RSNAStatsCCMPFormatErrors,
 		     ccmp->dot11RSNAStatsCCMPReplays,
 		     ccmp->dot11RSNAStatsCCMPDecryptErrors);
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c
index 9b9438fb5f60..7e48748da102 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_crypt_tkip.c
@@ -410,7 +410,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	if (!(keyidx & (1 << 5))) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "TKIP: received packet without ExtIV"
-			       " flag from " MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       " flag from %pM\n", hdr->addr2);
 		}
 		return -2;
 	}
@@ -422,9 +422,9 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	}
 	if (!tkey->key_set) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "TKIP: received packet from " MAC_FMT
+			printk(KERN_DEBUG "TKIP: received packet from %pM"
 			       " with keyid=%d that does not have a configured"
-			       " key\n", MAC_ARG(hdr->addr2), keyidx);
+			       " key\n", hdr->addr2, keyidx);
 		}
 		return -3;
 	}
@@ -437,9 +437,9 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 		if (iv32 < tkey->rx_iv32 ||
 		(iv32 == tkey->rx_iv32 && iv16 <= tkey->rx_iv16)) {
 			if (net_ratelimit()) {
-				printk(KERN_DEBUG "TKIP: replay detected: STA=" MAC_FMT
+				printk(KERN_DEBUG "TKIP: replay detected: STA=%pM"
 				" previous TSC %08x%04x received TSC "
-				"%08x%04x\n", MAC_ARG(hdr->addr2),
+				"%08x%04x\n", hdr->addr2,
 				tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
 			}
 			tkey->dot11RSNAStatsTKIPReplays++;
@@ -460,8 +460,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 		if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
 			if (net_ratelimit()) {
 				printk(KERN_DEBUG ": TKIP: failed to decrypt "
-						"received packet from " MAC_FMT "\n",
-						MAC_ARG(hdr->addr2));
+						"received packet from %pM\n",
+						hdr->addr2);
 			}
 			return -7;
 		}
@@ -480,7 +480,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 			}
 			if (net_ratelimit()) {
 				printk(KERN_DEBUG "TKIP: ICV error detected: STA="
-				MAC_FMT "\n", MAC_ARG(hdr->addr2));
+				"%pM\n", hdr->addr2);
 			}
 			tkey->dot11RSNAStatsTKIPICVErrors++;
 			return -5;
@@ -635,8 +635,8 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
 		struct ieee80211_hdr_4addr *hdr;
 		hdr = (struct ieee80211_hdr_4addr *) skb->data;
 		printk(KERN_DEBUG "%s: Michael MIC verification failed for "
-		       "MSDU from " MAC_FMT " keyidx=%d\n",
-		       skb->dev ? skb->dev->name : "N/A", MAC_ARG(hdr->addr2),
+		       "MSDU from %pM keyidx=%d\n",
+		       skb->dev ? skb->dev->name : "N/A", hdr->addr2,
 		       keyidx);
 		if (skb->dev)
 			ieee80211_michael_mic_failure(skb->dev, hdr, keyidx);
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
index e8c67d5dfb76..c024fa600729 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_module.c
@@ -262,7 +262,7 @@ static int store_debug_level(struct file *file, const char *buffer,
 			     unsigned long count, void *data)
 {
 	char buf[] = "0x00000000";
-	unsigned long len = min(sizeof(buf) - 1, count);
+	unsigned long len = min_t(unsigned long, sizeof(buf) - 1, count);
 	char *p = (char *)buf;
 	unsigned long val;
 
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c
index 095b8c643146..cc80faf6598b 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_rx.c
@@ -314,8 +314,8 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
 	    strcmp(crypt->ops->name, "TKIP") == 0) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
-			       "received packet from " MAC_FMT "\n",
-			       ieee->dev->name, MAC_ARG(hdr->addr2));
+			       "received packet from %pM\n",
+			       ieee->dev->name, hdr->addr2);
 		}
 		return -1;
 	}
@@ -326,8 +326,8 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
 	atomic_dec(&crypt->refcnt);
 	if (res < 0) {
 		IEEE80211_DEBUG_DROP(
-			"decryption failed (SA=" MAC_FMT
-			") res=%d\n", MAC_ARG(hdr->addr2), res);
+			"decryption failed (SA=%pM"
+			") res=%d\n", hdr->addr2, res);
 		if (res == -2)
 			IEEE80211_DEBUG_DROP("Decryption failed ICV "
 					     "mismatch (key %d)\n",
@@ -364,8 +364,8 @@ ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *s
 	atomic_dec(&crypt->refcnt);
 	if (res < 0) {
 		printk(KERN_DEBUG "%s: MSDU decryption/MIC verification failed"
-		       " (SA=" MAC_FMT " keyidx=%d)\n",
-		       ieee->dev->name, MAC_ARG(hdr->addr2), keyidx);
+		       " (SA=%pM keyidx=%d)\n",
+		       ieee->dev->name, hdr->addr2, keyidx);
 		return -1;
 	}
 
@@ -939,8 +939,8 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 			 * frames silently instead of filling system log with
 			 * these reports. */
 			IEEE80211_DEBUG_DROP("Decryption failed (not set)"
-					     " (SA=" MAC_FMT ")\n",
-					     MAC_ARG(hdr->addr2));
+					     " (SA=%pM)\n",
+					     hdr->addr2);
 			ieee->ieee_stats.rx_discards_undecryptable++;
 			goto rx_dropped;
 		}
@@ -1143,8 +1143,8 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 		} else {
 			IEEE80211_DEBUG_DROP(
 				"encryption configured, but RX "
-				"frame not encrypted (SA=" MAC_FMT ")\n",
-				MAC_ARG(hdr->addr2));
+				"frame not encrypted (SA=%pM)\n",
+				hdr->addr2);
 			goto rx_dropped;
 		}
 	}
@@ -1163,9 +1163,9 @@ int ieee80211_rtl_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	    !ieee80211_is_eapol_frame(ieee, skb, hdrlen)) {
 		IEEE80211_DEBUG_DROP(
 			"dropped unencrypted RX data "
-			"frame from " MAC_FMT
+			"frame from %pM"
 			" (drop_unencrypted=1)\n",
-			MAC_ARG(hdr->addr2));
+			hdr->addr2);
 		goto rx_dropped;
 	}
 /*
@@ -2159,11 +2159,11 @@ static inline int ieee80211_network_init(
 	}
 
 	if (network->mode == 0) {
-		IEEE80211_DEBUG_SCAN("Filtered out '%s (" MAC_FMT ")' "
+		IEEE80211_DEBUG_SCAN("Filtered out '%s (%pM)' "
 				     "network.\n",
 				     escape_essid(network->ssid,
 						  network->ssid_len),
-				     MAC_ARG(network->bssid));
+				     network->bssid);
 		return 1;
 	}
 
@@ -2345,9 +2345,9 @@ static inline void ieee80211_process_probe_response(
 
 	memset(&network, 0, sizeof(struct ieee80211_network));
 	IEEE80211_DEBUG_SCAN(
-		"'%s' (" MAC_FMT "): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
+		"'%s' (%pM): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
 		escape_essid(info_element->data, info_element->len),
-		MAC_ARG(beacon->header.addr3),
+		beacon->header.addr3,
 		(beacon->capability & (1<<0xf)) ? '1' : '0',
 		(beacon->capability & (1<<0xe)) ? '1' : '0',
 		(beacon->capability & (1<<0xd)) ? '1' : '0',
@@ -2366,10 +2366,10 @@ static inline void ieee80211_process_probe_response(
 		(beacon->capability & (1<<0x0)) ? '1' : '0');
 
 	if (ieee80211_network_init(ieee, beacon, &network, stats)) {
-		IEEE80211_DEBUG_SCAN("Dropped '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Dropped '%s' (%pM) via %s.\n",
 				     escape_essid(info_element->data,
 						  info_element->len),
-				     MAC_ARG(beacon->header.addr3),
+				     beacon->header.addr3,
 				     WLAN_FC_GET_STYPE(beacon->header.frame_control) ==
 				     IEEE80211_STYPE_PROBE_RESP ?
 				     "PROBE RESPONSE" : "BEACON");
@@ -2478,11 +2478,11 @@ static inline void ieee80211_process_probe_response(
 			/* If there are no more slots, expire the oldest */
 			list_del(&oldest->list);
 			target = oldest;
-			IEEE80211_DEBUG_SCAN("Expired '%s' (" MAC_FMT ") from "
+			IEEE80211_DEBUG_SCAN("Expired '%s' (%pM) from "
 					     "network list.\n",
 					     escape_essid(target->ssid,
 							  target->ssid_len),
-					     MAC_ARG(target->bssid));
+					     target->bssid);
 		} else {
 			/* Otherwise just pull from the free list */
 			target = list_entry(ieee->network_free_list.next,
@@ -2492,10 +2492,10 @@ static inline void ieee80211_process_probe_response(
 
 
 #ifdef CONFIG_IEEE80211_DEBUG
-		IEEE80211_DEBUG_SCAN("Adding '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Adding '%s' (%pM) via %s.\n",
 				     escape_essid(network.ssid,
 						  network.ssid_len),
-				     MAC_ARG(network.bssid),
+				     network.bssid,
 				     WLAN_FC_GET_STYPE(beacon->header.frame_control) ==
 				     IEEE80211_STYPE_PROBE_RESP ?
 				     "PROBE RESPONSE" : "BEACON");
@@ -2505,10 +2505,10 @@ static inline void ieee80211_process_probe_response(
 		if(ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE)
 			ieee80211_softmac_new_net(ieee,&network);
 	} else {
-		IEEE80211_DEBUG_SCAN("Updating '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Updating '%s' (%pM) via %s.\n",
 				     escape_essid(target->ssid,
 						  target->ssid_len),
-				     MAC_ARG(target->bssid),
+				     target->bssid,
 				     WLAN_FC_GET_STYPE(beacon->header.frame_control) ==
 				     IEEE80211_STYPE_PROBE_RESP ?
 				     "PROBE RESPONSE" : "BEACON");
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
index 0ba2a01a06a1..9d8cb0e575d3 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_softmac.c
@@ -1709,7 +1709,7 @@ ieee80211_rx_assoc_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
 		ieee80211_resp_to_assoc_rq(ieee, dest);
 	}
 
-	printk(KERN_INFO"New client associated: "MAC_FMT"\n", MAC_ARG(dest));
+	printk(KERN_INFO"New client associated: %pM\n", dest);
 	//FIXME
 }
 
@@ -2145,8 +2145,8 @@ void ieee80211_softmac_xmit(struct ieee80211_txb *txb, struct ieee80211_device *
 	ieee80211_sta_wakeup(ieee,0);
 
 	/* update the tx status */
-//	ieee->stats.tx_bytes += txb->payload_size;
-//	ieee->stats.tx_packets++;
+	ieee->stats.tx_bytes += txb->payload_size;
+	ieee->stats.tx_packets++;
 	tcb_desc = (cb_desc *)(txb->fragments[0]->cb + MAX_DEV_ADDR_SIZE);
 	if(tcb_desc->bMulticast) {
 		ieee->stats.multicast++;
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_tx.c
index 4d54e1e62d22..484c3aba5cb3 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_tx.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_tx.c
@@ -199,8 +199,8 @@ int ieee80211_encrypt_fragment(
 		header = (struct rtl_ieee80211_hdr *)frag->data;
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
-			       "TX packet to " MAC_FMT "\n",
-			       ieee->dev->name, MAC_ARG(header->addr1));
+			       "TX packet to %pM\n",
+			       ieee->dev->name, header->addr1);
 		}
 		return -1;
 	}
diff --git a/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c
index 85c7e96b622d..122f8004904b 100644
--- a/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8192su/ieee80211/ieee80211_wx.c
@@ -261,10 +261,10 @@ int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
 		else
 			IEEE80211_DEBUG_SCAN(
 				"Not showing network '%s ("
-				MAC_FMT ")' due to age (%lums).\n",
+				"%pM)' due to age (%lums).\n",
 				escape_essid(network->ssid,
 					     network->ssid_len),
-				MAC_ARG(network->bssid),
+				network->bssid,
 				(jiffies - network->last_scanned) / (HZ / 100));
 	}
 
@@ -731,7 +731,7 @@ int ieee80211_wx_set_auth(struct ieee80211_device *ieee,
 #if 1
 	case IW_AUTH_WPA_ENABLED:
 		ieee->wpa_enabled = (data->value)?1:0;
-		//printk("enalbe wpa:%d\n", ieee->wpa_enabled);
+		//printk("enable wpa:%d\n", ieee->wpa_enabled);
 		break;
 
 #endif
diff --git a/drivers/staging/rtl8192su/ieee80211/rtl819x_BAProc.c b/drivers/staging/rtl8192su/ieee80211/rtl819x_BAProc.c
index c6962450e06f..8c37dd124fc9 100644
--- a/drivers/staging/rtl8192su/ieee80211/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192su/ieee80211/rtl819x_BAProc.c
@@ -113,7 +113,7 @@ static struct sk_buff* ieee80211_ADDBA(struct ieee80211_device* ieee, u8* Dst, P
 	u16 tmp = 0;
 	u16 len = ieee->tx_headroom + 9;
 	//category(1) + action field(1) + Dialog Token(1) + BA Parameter Set(2) +  BA Timeout Value(2) +  BA Start SeqCtrl(2)(or StatusCode(2))
-	IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), frame(%d) sentd to:"MAC_FMT", ieee->dev:%p\n", __FUNCTION__, type, MAC_ARG(Dst), ieee->dev);
+	IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), frame(%d) sentd to:%pM, ieee->dev:%p\n", __FUNCTION__, type, Dst, ieee->dev);
 	if (pBA == NULL||ieee == NULL)
 	{
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "pBA(%p) is NULL or ieee(%p) is NULL\n", pBA, ieee);
@@ -200,7 +200,7 @@ static struct sk_buff* ieee80211_DELBA(
 	u16 len = 6 + ieee->tx_headroom;
 
 	if (net_ratelimit())
-	IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), ReasonCode(%d) sentd to:"MAC_FMT"\n", __FUNCTION__, ReasonCode, MAC_ARG(dst));
+	IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), ReasonCode(%d) sentd to:%pM\n", __FUNCTION__, ReasonCode, dst);
 
 	memset(&DelbaParamSet, 0, 2);
 
@@ -339,7 +339,10 @@ int ieee80211_rx_ADDBAReq( struct ieee80211_device* ieee, struct sk_buff *skb)
 
 	if (skb->len < sizeof( struct ieee80211_hdr_3addr) + 9)
 	{
-		IEEE80211_DEBUG(IEEE80211_DL_ERR, " Invalid skb len in BAREQ(%d / %ld)\n", skb->len, 	(sizeof( struct ieee80211_hdr_3addr) + 9));
+		IEEE80211_DEBUG(IEEE80211_DL_ERR,
+				" Invalid skb len in BAREQ(%d / %zd)\n",
+				skb->len,
+				sizeof(struct ieee80211_hdr_3addr) + 9);
 		return -1;
 	}
 
@@ -354,7 +357,7 @@ int ieee80211_rx_ADDBAReq( struct ieee80211_device* ieee, struct sk_buff *skb)
 	pBaTimeoutVal = (u16*)(tag + 5);
 	pBaStartSeqCtrl = (PSEQUENCE_CONTROL)(req + 7);
 
-	printk("====================>rx ADDBAREQ from :"MAC_FMT"\n", MAC_ARG(dst));
+	printk("====================>rx ADDBAREQ from :%pM\n", dst);
 //some other capability is not ready now.
 	if(	(ieee->current_network.qos_data.active == 0) ||
 		(ieee->pHTInfo->bCurrentHTSupport == false) ||
@@ -440,7 +443,10 @@ int ieee80211_rx_ADDBARsp( struct ieee80211_device* ieee, struct sk_buff *skb)
 
 	if (skb->len < sizeof( struct ieee80211_hdr_3addr) + 9)
 	{
-		IEEE80211_DEBUG(IEEE80211_DL_ERR, " Invalid skb len in BARSP(%d / %ld)\n", skb->len, 	(sizeof( struct ieee80211_hdr_3addr) + 9));
+		IEEE80211_DEBUG(IEEE80211_DL_ERR,
+				" Invalid skb len in BARSP(%d / %zd)\n",
+				skb->len,
+				sizeof(struct ieee80211_hdr_3addr) + 9);
 		return -1;
 	}
 	rsp = ( struct ieee80211_hdr_3addr*)skb->data;
@@ -570,7 +576,10 @@ int ieee80211_rx_DELBA(struct ieee80211_device* ieee,struct sk_buff *skb)
 
 	if (skb->len < sizeof( struct ieee80211_hdr_3addr) + 6)
 	{
-		IEEE80211_DEBUG(IEEE80211_DL_ERR, " Invalid skb len in DELBA(%d / %ld)\n", skb->len, 	(sizeof( struct ieee80211_hdr_3addr) + 6));
+		IEEE80211_DEBUG(IEEE80211_DL_ERR,
+				" Invalid skb len in DELBA(%d / %zd)\n",
+				skb->len,
+				sizeof(struct ieee80211_hdr_3addr) + 6);
 		return -1;
 	}
 
diff --git a/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c b/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c
index 33c7fa7edc8b..01114c5181bb 100644
--- a/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c
+++ b/drivers/staging/rtl8192su/ieee80211/rtl819x_HTProc.c
@@ -42,7 +42,7 @@ static u8 DLINK_ATHEROS_1[3] = {0x00, 0x1c, 0xf0};
 static u8 DLINK_ATHEROS_2[3] = {0x00, 0x21, 0x91};
 static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
 static u8 LINKSYS_MARVELL_4400N[3] = {0x00, 0x14, 0xa4};
-// 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Shoud we put the
+// 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Should we put the
 // code in other place??
 //static u8 WIFI_CISCO_G_AP[3] = {0x00, 0x40, 0x96};
 /********************************************************************************************************************
diff --git a/drivers/staging/rtl8192su/ieee80211/rtl819x_TSProc.c b/drivers/staging/rtl8192su/ieee80211/rtl819x_TSProc.c
index ad3bf35d80e6..60cf1f8781ce 100644
--- a/drivers/staging/rtl8192su/ieee80211/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192su/ieee80211/rtl819x_TSProc.c
@@ -291,7 +291,7 @@ PTS_COMMON_INFO SearchAdmitTRStream(struct ieee80211_device *ieee, u8*	Addr, u8
 		if(search_dir[dir] ==false )
 			continue;
 		list_for_each_entry(pRet, psearch_list, List){
-	//		IEEE80211_DEBUG(IEEE80211_DL_TS, "ADD:"MAC_FMT", TID:%d, dir:%d\n", MAC_ARG(pRet->Addr), pRet->TSpec.f.TSInfo.field.ucTSID, pRet->TSpec.f.TSInfo.field.ucDirection);
+	//		IEEE80211_DEBUG(IEEE80211_DL_TS, "ADD:%pM, TID:%d, dir:%d\n", pRet->Addr, pRet->TSpec.f.TSInfo.field.ucTSID, pRet->TSpec.f.TSInfo.field.ucDirection);
 			if (memcmp(pRet->Addr, Addr, 6) == 0)
 				if (pRet->TSpec.f.TSInfo.field.ucTSID == TID)
 					if(pRet->TSpec.f.TSInfo.field.ucDirection == dir)
@@ -447,7 +447,7 @@ bool GetTs(
 					ResetRxTsEntry(tmp);
 				}
 
-				IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:"MAC_FMT"\n", UP, Dir, MAC_ARG(Addr));
+				IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:%pM\n", UP, Dir, Addr);
 				// Prepare TS Info releated field
 				pTSInfo->field.ucTrafficType = 0;			// Traffic type: WMM is reserved in this field
 				pTSInfo->field.ucTSID = UP;			// TSID
@@ -533,7 +533,7 @@ void RemoveTsEntry(
 void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr)
 {
 	PTS_COMMON_INFO	pTS, pTmpTS;
-	printk("===========>RemovePeerTS,"MAC_FMT"\n", MAC_ARG(Addr));
+	printk("===========>RemovePeerTS,%pM\n", Addr);
 #if 1
 	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
 	{
diff --git a/drivers/staging/rtl8192su/r8192SU_HWImg.c b/drivers/staging/rtl8192su/r8192SU_HWImg.c
index cbb65795a302..ba8e12c209ca 100644
--- a/drivers/staging/rtl8192su/r8192SU_HWImg.c
+++ b/drivers/staging/rtl8192su/r8192SU_HWImg.c
@@ -2,4282 +2,6 @@
 
 #include "r8192SU_HWImg.h"
 
-u8 Rtl8192SUFwImgArray[ImgArrayLength] = {
-0x92,0x81,0x2b,0x90,0x30,0x00,0x00,0x00,0x08,0x74,0x00,0x00,0x88,0x96,0x00,0x00,
-0x30,0x00,0x00,0x00,0x00,0x95,0x00,0x00,0x00,0x00,0x2b,0x00,0x03,0x03,0x23,0x00,
-0x92,0x81,0x02,0x01,0x00,0x00,0x12,0x04,0x00,0x00,0x00,0x00,0x00,0x07,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x01,0x00,0x01,0x01,0x01,0x00,0x00,
-0x00,0x01,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x7f,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x1f,0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x25,0xb0,0x1a,0x3c,0x80,0x03,0x5a,0x37,0x00,0x80,0x1b,0x3c,0x80,0x00,0x7b,0x37,
-0x00,0x00,0x5b,0xaf,0x25,0xb0,0x1a,0x3c,0x18,0x03,0x5a,0x37,0x00,0x80,0x1b,0x3c,
-0x80,0x00,0x7b,0x37,0x00,0x00,0x5b,0xaf,0x00,0x80,0x1a,0x3c,0x10,0x6d,0x5a,0x27,
-0x08,0x00,0x40,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x04,0x00,0xa1,0xaf,0x08,0x00,0xa2,0xaf,0x0c,0x00,0xa3,0xaf,0x10,0x00,0xa4,0xaf,
-0x14,0x00,0xa5,0xaf,0x18,0x00,0xa6,0xaf,0x1c,0x00,0xa7,0xaf,0x20,0x00,0xa8,0xaf,
-0x24,0x00,0xa9,0xaf,0x28,0x00,0xaa,0xaf,0x2c,0x00,0xab,0xaf,0x30,0x00,0xac,0xaf,
-0x34,0x00,0xad,0xaf,0x38,0x00,0xae,0xaf,0x3c,0x00,0xaf,0xaf,0x12,0x40,0x00,0x00,
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-0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,
-0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x10,
-0x02,0x02,0x02,0x02,0x02,0x02,0x02,0x00,0x19,0x77,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x26,0x72,0xb0,0x00,0x26,0x72,0xb0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
-0x00,0x00,0x00,0x00,0x00,0x26,0x65,0x60,0xff,0xff,0xff,0xff,0x00,0x00,0x00,0x02,
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x08,0xf2,0x30,0xb8,0xff,0xff,0xff,0xff,
-};
-
 u8 Rtl8192SUFwMainArray[MainArrayLength] = {
 0x0, };
 
diff --git a/drivers/staging/rtl8192su/r8192SU_HWImg.h b/drivers/staging/rtl8192su/r8192SU_HWImg.h
index 96b15252ea86..36e84aff6ed6 100644
--- a/drivers/staging/rtl8192su/r8192SU_HWImg.h
+++ b/drivers/staging/rtl8192su/r8192SU_HWImg.h
@@ -5,8 +5,6 @@
 
 /*Created on  2009/ 3/ 6,  5:29*/
 
-#define ImgArrayLength 68368
-extern u8 Rtl8192SUFwImgArray[ImgArrayLength];
 #define MainArrayLength 1
 extern u8 Rtl8192SUFwMainArray[MainArrayLength];
 #define DataArrayLength 1
diff --git a/drivers/staging/rtl8192su/r8192S_firmware.c b/drivers/staging/rtl8192su/r8192S_firmware.c
index 3561adf0468a..752a3f1fb3f5 100644
--- a/drivers/staging/rtl8192su/r8192S_firmware.c
+++ b/drivers/staging/rtl8192su/r8192S_firmware.c
@@ -360,117 +360,58 @@ bool FirmwareDownload92S(struct net_device *dev)
 
 	RT_TRACE(COMP_FIRMWARE, " --->FirmwareDownload92S()\n");
 
-	//3//
-	//3 //<1> Open Image file, and map file to contineous memory if open file success.
-	//3  //        or read image file from array. Default load from BIN file
-	//3//
-	priv->firmware_source = FW_SOURCE_IMG_FILE;// We should decided by Reg.
-
-	switch( priv->firmware_source )
+/*
+* Load the firmware from RTL8192SU/rtl8192sfw.bin
+*/
+	if(pFirmware->szFwTmpBufferLen == 0)
 	{
-		case FW_SOURCE_IMG_FILE:
-			if(pFirmware->szFwTmpBufferLen == 0)
-			{
-
-				rc = request_firmware(&fw_entry, pFwImageFileName[ulInitStep],&priv->udev->dev);//===>1
-				if(rc < 0 ) {
-					RT_TRACE(COMP_ERR, "request firmware fail!\n");
-					goto DownloadFirmware_Fail;
-				}
-
-				if(fw_entry->size > sizeof(pFirmware->szFwTmpBuffer))
-				{
-					RT_TRACE(COMP_ERR, "img file size exceed the container buffer fail!\n");
-					release_firmware(fw_entry);
-					goto DownloadFirmware_Fail;
-				}
+		rc = request_firmware(&fw_entry, pFwImageFileName[ulInitStep],&priv->udev->dev);
+			if(rc < 0 ) {
+				RT_TRACE(COMP_ERR, "request firmware fail!\n");
+				goto DownloadFirmware_Fail;
+			}
 
-				memcpy(pFirmware->szFwTmpBuffer,fw_entry->data,fw_entry->size);
-				pFirmware->szFwTmpBufferLen = fw_entry->size;
+			if(fw_entry->size > sizeof(pFirmware->szFwTmpBuffer)) {
+				RT_TRACE(COMP_ERR, "img file size exceed the container buffer fail!\n");
 				release_firmware(fw_entry);
-
-				pucMappedFile = pFirmware->szFwTmpBuffer;
-				file_length = pFirmware->szFwTmpBufferLen;
-
-				//Retrieve FW header.
-				pFirmware->pFwHeader = (PRT_8192S_FIRMWARE_HDR) pucMappedFile;
-				pFwHdr = pFirmware->pFwHeader;
-				RT_TRACE(COMP_FIRMWARE,"signature:%x, version:%x, size:%x, imemsize:%x, sram size:%x\n", \
-						pFwHdr->Signature, pFwHdr->Version, pFwHdr->DMEMSize, \
-						pFwHdr->IMG_IMEM_SIZE, pFwHdr->IMG_SRAM_SIZE);
-				pFirmware->FirmwareVersion =  byte(pFwHdr->Version ,0);
-				if ((pFwHdr->IMG_IMEM_SIZE==0) || (pFwHdr->IMG_IMEM_SIZE > sizeof(pFirmware->FwIMEM)))
-				{
-					RT_TRACE(COMP_ERR, "%s: memory for data image is less than IMEM required\n",\
-							__FUNCTION__);
-					goto DownloadFirmware_Fail;
-				} else {
-					pucMappedFile+=FwHdrSize;
-
-					//Retrieve IMEM image.
-					memcpy(pFirmware->FwIMEM, pucMappedFile, pFwHdr->IMG_IMEM_SIZE);
-					pFirmware->FwIMEMLen = pFwHdr->IMG_IMEM_SIZE;
-				}
-
-				if (pFwHdr->IMG_SRAM_SIZE > sizeof(pFirmware->FwEMEM))
-				{
-					RT_TRACE(COMP_ERR, "%s: memory for data image is less than EMEM required\n",\
-							__FUNCTION__);
-					goto DownloadFirmware_Fail;
-				} else {
-					pucMappedFile += pFirmware->FwIMEMLen;
-
-					/* Retriecve EMEM image */
-					memcpy(pFirmware->FwEMEM, pucMappedFile, pFwHdr->IMG_SRAM_SIZE);//===>6
-					pFirmware->FwEMEMLen = pFwHdr->IMG_SRAM_SIZE;
-				}
-
-
+				goto DownloadFirmware_Fail;
 			}
-			break;
 
-		case FW_SOURCE_HEADER_FILE:
-#if 1
-#define Rtl819XFwImageArray Rtl8192SUFwImgArray
-			//2008.11.10 Add by tynli.
-			pucMappedFile = Rtl819XFwImageArray;
-			ulFileLength = ImgArrayLength;
+			memcpy(pFirmware->szFwTmpBuffer,fw_entry->data,fw_entry->size);
+			pFirmware->szFwTmpBufferLen = fw_entry->size;
+			release_firmware(fw_entry);
+
+			pucMappedFile = pFirmware->szFwTmpBuffer;
+			file_length = pFirmware->szFwTmpBufferLen;
 
-			RT_TRACE(COMP_INIT,"Fw download from header.\n");
-			/* Retrieve FW header*/
+			/* Retrieve FW header. */
 			pFirmware->pFwHeader = (PRT_8192S_FIRMWARE_HDR) pucMappedFile;
 			pFwHdr = pFirmware->pFwHeader;
 			RT_TRACE(COMP_FIRMWARE,"signature:%x, version:%x, size:%x, imemsize:%x, sram size:%x\n", \
 					pFwHdr->Signature, pFwHdr->Version, pFwHdr->DMEMSize, \
 					pFwHdr->IMG_IMEM_SIZE, pFwHdr->IMG_SRAM_SIZE);
 			pFirmware->FirmwareVersion =  byte(pFwHdr->Version ,0);
-
-			if ((pFwHdr->IMG_IMEM_SIZE==0) || (pFwHdr->IMG_IMEM_SIZE > sizeof(pFirmware->FwIMEM)))
-			{
-				printk("FirmwareDownload92S(): memory for data image is less than IMEM required\n");
+			if ((pFwHdr->IMG_IMEM_SIZE==0) || (pFwHdr->IMG_IMEM_SIZE > sizeof(pFirmware->FwIMEM))) {
+				RT_TRACE(COMP_ERR, "%s: memory for data image is less than IMEM required\n",\
+					__FUNCTION__);
 				goto DownloadFirmware_Fail;
 			} else {
 				pucMappedFile+=FwHdrSize;
-				//Retrieve IMEM image.
+				/* Retrieve IMEM image. */
 				memcpy(pFirmware->FwIMEM, pucMappedFile, pFwHdr->IMG_IMEM_SIZE);
 				pFirmware->FwIMEMLen = pFwHdr->IMG_IMEM_SIZE;
 			}
 
-			if (pFwHdr->IMG_SRAM_SIZE > sizeof(pFirmware->FwEMEM))
-			{
-				printk(" FirmwareDownload92S(): memory for data image is less than EMEM required\n");
-				goto DownloadFirmware_Fail;
-			} else {
-				pucMappedFile+= pFirmware->FwIMEMLen;
-
-				//Retriecve EMEM image.
-				memcpy(pFirmware->FwEMEM, pucMappedFile, pFwHdr->IMG_SRAM_SIZE);
-				pFirmware->FwEMEMLen = pFwHdr->IMG_SRAM_SIZE;
-			}
-#endif
-			break;
-		default:
-			break;
+			if (pFwHdr->IMG_SRAM_SIZE > sizeof(pFirmware->FwEMEM)) {
+				RT_TRACE(COMP_ERR, "%s: memory for data image is less than EMEM required\n",\
+					__FUNCTION__);
+					goto DownloadFirmware_Fail;
+				} else {
+					pucMappedFile += pFirmware->FwIMEMLen;
+					/* Retriecve EMEM image */
+					memcpy(pFirmware->FwEMEM, pucMappedFile, pFwHdr->IMG_SRAM_SIZE);//===>6
+					pFirmware->FwEMEMLen = pFwHdr->IMG_SRAM_SIZE;
+				}
 	}
 
 	FwStatus = FirmwareGetNextStatus(pFirmware->FWStatus);
@@ -538,3 +479,4 @@ bool FirmwareDownload92S(struct net_device *dev)
 	return rtStatus;
 }
 
+MODULE_FIRMWARE("RTL8192SU/rtl8192sfw.bin");
diff --git a/drivers/staging/rtl8192su/r8192S_firmware.h b/drivers/staging/rtl8192su/r8192S_firmware.h
index c525380e6473..2c2cf8032ded 100644
--- a/drivers/staging/rtl8192su/r8192S_firmware.h
+++ b/drivers/staging/rtl8192su/r8192S_firmware.h
@@ -59,12 +59,6 @@ typedef enum _desc_packet_type_e{
 	DESC_PACKET_TYPE_NORMAL = 1,
 }desc_packet_type_e;
 
-typedef enum _firmware_source{
-	FW_SOURCE_IMG_FILE = 0,
-	FW_SOURCE_HEADER_FILE = 1,
-}firmware_source_e, *pfirmware_source_e;
-
-
 typedef enum _opt_rst_type{
 	OPT_SYSTEM_RESET = 0,
 	OPT_FIRMWARE_RESET = 1,
@@ -185,7 +179,6 @@ typedef enum _FIRMWARE_8192S_STATUS{
 #define RTL8190_MAX_FIRMWARE_CODE_SIZE  64000   //64k
 
 typedef struct _rt_firmware{
-	firmware_source_e	eFWSource;
 	PRT_8192S_FIRMWARE_HDR	pFwHeader;
 	FIRMWARE_8192S_STATUS	FWStatus;
 	u16             FirmwareVersion;
diff --git a/drivers/staging/rtl8192su/r8192S_phy.c b/drivers/staging/rtl8192su/r8192S_phy.c
index 77ab026288d3..63d4e5fd7b18 100644
--- a/drivers/staging/rtl8192su/r8192S_phy.c
+++ b/drivers/staging/rtl8192su/r8192S_phy.c
@@ -2407,8 +2407,8 @@ void PHY_SetBWModeCallback8192S(struct net_device *dev)
 			break;
 
 		default:
-			RT_TRACE(COMP_DBG, "SetBWModeCallback8190Pci():\
-						unknown Bandwidth: %#X\n",priv->CurrentChannelBW);
+			RT_TRACE(COMP_DBG, "SetBWModeCallback8190Pci(): unknown Bandwidth: %#X\n",
+				 priv->CurrentChannelBW);
 			break;
 	}
 
@@ -3398,8 +3398,8 @@ void SwChnlCallback8192SUsb(struct net_device *dev)
 	u32			delay;
 //	bool			ret;
 
-	RT_TRACE(COMP_SCAN, "==>SwChnlCallback8190Pci(), switch to channel\
-				%d\n", priv->chan);
+	RT_TRACE(COMP_SCAN, "==>SwChnlCallback8190Pci(), switch to channel %d\n",
+		 priv->chan);
 
 
 	if(!priv->up)
@@ -3525,8 +3525,8 @@ void SetBWModeCallback8192SUsb(struct net_device *dev)
 			break;
 
 		default:
-			RT_TRACE(COMP_DBG, "SetChannelBandwidth8190Pci():\
-						unknown Bandwidth: %#X\n",priv->CurrentChannelBW);
+			RT_TRACE(COMP_DBG, "SetChannelBandwidth8190Pci(): unknown Bandwidth: %#X\n",
+				 priv->CurrentChannelBW);
 			break;
 	}
 
@@ -3660,8 +3660,8 @@ void SetBWModeCallback8192SUsbWorkItem(struct net_device *dev)
 			break;
 
 		default:
-			RT_TRACE(COMP_DBG, "SetBWModeCallback8192SUsbWorkItem():\
-						unknown Bandwidth: %#X\n",priv->CurrentChannelBW);
+			RT_TRACE(COMP_DBG, "SetBWModeCallback8192SUsbWorkItem(): unknown Bandwidth: %#X\n",
+				 priv->CurrentChannelBW);
 			break;
 	}
 
diff --git a/drivers/staging/rtl8192su/r8192U.h b/drivers/staging/rtl8192su/r8192U.h
index 2a11e0113d3a..ba87623f32ee 100644
--- a/drivers/staging/rtl8192su/r8192U.h
+++ b/drivers/staging/rtl8192su/r8192U.h
@@ -1258,7 +1258,6 @@ typedef struct r8192_priv
 	u8 Rf_Mode; //add for Firmware RF -R/W switch
 	prt_firmware		pFirmware;
 	rtl819xUsb_loopback_e	LoopbackMode;
-	firmware_source_e	firmware_source;
 	bool usb_error;
 
 	u16 EEPROMTxPowerDiff;
diff --git a/drivers/staging/rtl8192su/r8192U_core.c b/drivers/staging/rtl8192su/r8192U_core.c
index 6f424fe8a237..7d0305cc2106 100644
--- a/drivers/staging/rtl8192su/r8192U_core.c
+++ b/drivers/staging/rtl8192su/r8192U_core.c
@@ -110,7 +110,7 @@ u32 rt_global_debug_component = \
 #define TOTAL_CAM_ENTRY 32
 #define CAM_CONTENT_COUNT 8
 
-static struct usb_device_id rtl8192_usb_id_tbl[] = {
+static const struct usb_device_id rtl8192_usb_id_tbl[] = {
 	/* Realtek */
 	{USB_DEVICE(0x0bda, 0x8192)},
 	{USB_DEVICE(0x0bda, 0x8709)},
@@ -2340,25 +2340,24 @@ short rtl8192SU_tx(struct net_device *dev, struct sk_buff* skb)
 				    skb->len, rtl8192_tx_isr, skb);
 
 	status = usb_submit_urb(tx_urb, GFP_ATOMIC);
-	if (!status){
-//we need to send 0 byte packet whenever 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has been transmitted. Otherwise, it will be halt to wait for another packet. WB. 2008.08.27
+	if (!status) {
+		/*
+		 * we need to send 0 byte packet whenever 512N bytes/64N(HIGN SPEED/NORMAL SPEED) bytes packet has been transmitted.
+		 * Otherwise, it will be halt to wait for another packet. WB. 2008.08.27
+		 */
 		bool bSend0Byte = false;
 		u8 zero = 0;
-		if(udev->speed == USB_SPEED_HIGH)
-		{
+		if(udev->speed == USB_SPEED_HIGH) {
 			if (skb->len > 0 && skb->len % 512 == 0)
 				bSend0Byte = true;
 		}
-		else
-		{
+		else {
 			if (skb->len > 0 && skb->len % 64 == 0)
 				bSend0Byte = true;
 		}
-		if (bSend0Byte)
-		{
-#if 1
+		if (bSend0Byte) {
 			tx_urb_zero = usb_alloc_urb(0,GFP_ATOMIC);
-			if(!tx_urb_zero){
+			if(!tx_urb_zero) {
 				RT_TRACE(COMP_ERR, "can't alloc urb for zero byte\n");
 				return -ENOMEM;
 			}
@@ -2366,16 +2365,23 @@ short rtl8192SU_tx(struct net_device *dev, struct sk_buff* skb)
 					usb_sndbulkpipe(udev,idx_pipe), &zero,
 					0, tx_zero_isr, dev);
 			status = usb_submit_urb(tx_urb_zero, GFP_ATOMIC);
-			if (status){
-			RT_TRACE(COMP_ERR, "Error TX URB for zero byte %d, error %d", atomic_read(&priv->tx_pending[tcb_desc->queue_index]), status);
-			return -1;
+			switch (status) {
+				case 0:
+					break;
+				case -ECONNRESET:
+				case -ENOENT:
+				case -ESHUTDOWN:
+					break;
+				default:
+					RT_TRACE(COMP_ERR, "Error TX URB for zero byte %d, error %d",
+						atomic_read(&priv->tx_pending[tcb_desc->queue_index]), status);
+					return -1;
 			}
-#endif
 		}
 		dev->trans_start = jiffies;
 		atomic_inc(&priv->tx_pending[tcb_desc->queue_index]);
 		return 0;
-	}else{
+	} else {
 		RT_TRACE(COMP_ERR, "Error TX URB %d, error %d", atomic_read(&priv->tx_pending[tcb_desc->queue_index]),
 				status);
 		return -1;
@@ -2952,7 +2958,7 @@ void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
 			wireless_mode = WIRELESS_MODE_B;
 		}
 	}
-#ifdef TO_DO_LIST //// TODO: this function doesn't work well at this time, we shoud wait for FPGA
+#ifdef TO_DO_LIST //// TODO: this function doesn't work well at this time, we should wait for FPGA
 	ActUpdateChannelAccessSetting( pAdapter, pHalData->CurrentWirelessMode, &pAdapter->MgntInfo.Info8185.ChannelAccessSetting );
 #endif
 	//LZM 090306 usb crash here, mark it temp
@@ -3359,6 +3365,46 @@ u8 rtl8192SU_BoardTypeToRFtype(struct net_device* dev,  u8 Boardtype)
 	return RFtype;
 }
 
+void update_hal_variables(struct r8192_priv *priv)
+{
+	int rf_path;
+	int i;
+	u8 index;
+
+	for (rf_path = 0; rf_path < 2; rf_path++) {
+		for (i = 0; i < 3; i++)	{
+			RT_TRACE((COMP_INIT), "CCK RF-%d CHan_Area-%d = 0x%x\n", rf_path, i, priv->RfCckChnlAreaTxPwr[rf_path][i]);
+			RT_TRACE((COMP_INIT), "OFDM-1T RF-%d CHan_Area-%d = 0x%x\n", rf_path, i, priv->RfOfdmChnlAreaTxPwr1T[rf_path][i]);
+			RT_TRACE((COMP_INIT), "OFDM-2T RF-%d CHan_Area-%d = 0x%x\n", rf_path, i, priv->RfOfdmChnlAreaTxPwr2T[rf_path][i]);
+		}
+		/* Assign dedicated channel tx power */
+		for(i = 0; i < 14; i++) {
+			/* channel 1-3 use the same Tx Power Level. */
+			if (i < 3)			/* Channel 1-3 */
+				index = 0;
+			else if (i < 9)			/* Channel 4-9 */
+				index = 1;
+			else				/* Channel 10-14 */
+				index = 2;
+			/* Record A & B CCK /OFDM - 1T/2T Channel area tx power */
+			priv->RfTxPwrLevelCck[rf_path][i] = priv->RfCckChnlAreaTxPwr[rf_path][index];
+			priv->RfTxPwrLevelOfdm1T[rf_path][i]  = priv->RfOfdmChnlAreaTxPwr1T[rf_path][index];
+			priv->RfTxPwrLevelOfdm2T[rf_path][i]  = priv->RfOfdmChnlAreaTxPwr2T[rf_path][index];
+			if (rf_path == 0) {
+				priv->TxPowerLevelOFDM24G[i] = priv->RfTxPwrLevelOfdm1T[rf_path][i] ;
+				priv->TxPowerLevelCCK[i] = priv->RfTxPwrLevelCck[rf_path][i];
+			}
+		}
+		for(i = 0; i < 14; i++) {
+			RT_TRACE((COMP_INIT),
+			"Rf-%d TxPwr CH-%d CCK OFDM_1T OFDM_2T= 0x%x/0x%x/0x%x\n",
+				rf_path, i, priv->RfTxPwrLevelCck[rf_path][i],
+				priv->RfTxPwrLevelOfdm1T[rf_path][i] ,
+				priv->RfTxPwrLevelOfdm2T[rf_path][i] );
+		}
+	}
+}
+
 //
 //	Description:
 //		Config HW adapter information into initial value.
@@ -3374,7 +3420,7 @@ rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail(struct net_device* dev)
 	struct r8192_priv 	*priv = ieee80211_priv(dev);
 	//u16			i,usValue;
 	//u8 sMacAddr[6] = {0x00, 0xE0, 0x4C, 0x81, 0x92, 0x00};
-	u8		rf_path, index;	// For EEPROM/EFUSE After V0.6_1117
+	u8		rf_path;	// For EEPROM/EFUSE After V0.6_1117
 	int	i;
 
 	RT_TRACE(COMP_INIT, "====> ConfigAdapterInfo8192SForAutoLoadFail\n");
@@ -3426,10 +3472,9 @@ rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail(struct net_device* dev)
 	write_nic_dword(dev, IDR0, ((u32*)dev->dev_addr)[0]);
 	write_nic_word(dev, IDR4, ((u16*)(dev->dev_addr + 4))[0]);
 
-	RT_TRACE(COMP_INIT, "ReadAdapterInfo8192SEFuse(), Permanent Address = %02x-%02x-%02x-%02x-%02x-%02x\n",
-			dev->dev_addr[0], dev->dev_addr[1],
-			dev->dev_addr[2], dev->dev_addr[3],
-			dev->dev_addr[4], dev->dev_addr[5]);
+	RT_TRACE(COMP_INIT,
+		"ReadAdapterInfo8192SEFuse(), Permanent Address = %pM\n",
+		dev->dev_addr);
 
 	priv->EEPROMBoardType = EEPROM_Default_BoardType;
 	priv->rf_type = RF_1T2R; //RF_2T2R
@@ -3455,42 +3500,7 @@ rtl8192SU_ConfigAdapterInfo8192SForAutoLoadFail(struct net_device* dev)
 		}
 	}
 
-	for (i = 0; i < 3; i++)
-	{
-		//RT_TRACE((COMP_EFUSE), "CCK RF-%d CHan_Area-%d = 0x%x\n",  rf_path, i,
-		//priv->RfCckChnlAreaTxPwr[rf_path][i]);
-		//RT_TRACE((COMP_EFUSE), "OFDM-1T RF-%d CHan_Area-%d = 0x%x\n",  rf_path, i,
-		//priv->RfOfdmChnlAreaTxPwr1T[rf_path][i]);
-		//RT_TRACE((COMP_EFUSE), "OFDM-2T RF-%d CHan_Area-%d = 0x%x\n",  rf_path, i,
-		//priv->RfOfdmChnlAreaTxPwr2T[rf_path][i]);
-	}
-
-	// Assign dedicated channel tx power
-	for(i=0; i<14; i++)	// channel 1~3 use the same Tx Power Level.
-		{
-		if (i < 3)			// Cjanel 1-3
-			index = 0;
-		else if (i < 9)		// Channel 4-9
-			index = 1;
-		else				// Channel 10-14
-			index = 2;
-
-		// Record A & B CCK /OFDM - 1T/2T Channel area tx power
-		priv->RfTxPwrLevelCck[rf_path][i]  =
-		priv->RfCckChnlAreaTxPwr[rf_path][index];
-		priv->RfTxPwrLevelOfdm1T[rf_path][i]  =
-		priv->RfOfdmChnlAreaTxPwr1T[rf_path][index];
-		priv->RfTxPwrLevelOfdm2T[rf_path][i]  =
-		priv->RfOfdmChnlAreaTxPwr2T[rf_path][index];
-		}
-
-		for(i=0; i<14; i++)
-		{
-		//RT_TRACE((COMP_EFUSE), "Rf-%d TxPwr CH-%d CCK OFDM_1T OFDM_2T= 0x%x/0x%x/0x%x\n",
-		//rf_path, i, priv->RfTxPwrLevelCck[0][i],
-		//priv->RfTxPwrLevelOfdm1T[0][i] ,
-		//priv->RfTxPwrLevelOfdm2T[0][i] );
-		}
+	update_hal_variables(priv);
 
 	//
 	// Update remained HAL variables.
@@ -3767,10 +3777,9 @@ rtl8192SU_ReadAdapterInfo8192SUsb(struct net_device* dev)
 	write_nic_dword(dev, IDR0, ((u32*)dev->dev_addr)[0]);
 	write_nic_word(dev, IDR4, ((u16*)(dev->dev_addr + 4))[0]);
 
-	RT_TRACE(COMP_INIT, "ReadAdapterInfo8192SEFuse(), Permanent Address = %02x-%02x-%02x-%02x-%02x-%02x\n",
-			dev->dev_addr[0], dev->dev_addr[1],
-			dev->dev_addr[2], dev->dev_addr[3],
-			dev->dev_addr[4], dev->dev_addr[5]);
+	RT_TRACE(COMP_INIT,
+		"ReadAdapterInfo8192SEFuse(), Permanent Address = %pM\n",
+		dev->dev_addr);
 
 	//
 	// Get CustomerID(Boad Type)
@@ -3901,53 +3910,7 @@ rtl8192SU_ReadAdapterInfo8192SUsb(struct net_device* dev)
 			}
 
 		}
-//
-		// Update Tx Power HAL variables.
-//
-		for (rf_path = 0; rf_path < 2; rf_path++)
-		{
-			for (i = 0; i < 3; i++)
-			{
-				RT_TRACE((COMP_INIT),  "CCK RF-%d CHan_Area-%d = 0x%x\n",  rf_path, i,
-				priv->RfCckChnlAreaTxPwr[rf_path][i]);
-				RT_TRACE((COMP_INIT), "OFDM-1T RF-%d CHan_Area-%d = 0x%x\n",  rf_path, i,
-				priv->RfOfdmChnlAreaTxPwr1T[rf_path][i]);
-				RT_TRACE((COMP_INIT), "OFDM-2T RF-%d CHan_Area-%d = 0x%x\n",  rf_path, i, priv->RfOfdmChnlAreaTxPwr2T[rf_path][i]);
-			}
-
-			// Assign dedicated channel tx power
-			for(i=0; i<14; i++)	// channel 1~3 use the same Tx Power Level.
-			{
-				if (i < 3)			// Cjanel 1-3
-					index = 0;
-				else if (i < 9)		// Channel 4-9
-					index = 1;
-				else				// Channel 10-14
-					index = 2;
-
-				// Record A & B CCK /OFDM - 1T/2T Channel area tx power
-				priv->RfTxPwrLevelCck[rf_path][i]  =
-				priv->RfCckChnlAreaTxPwr[rf_path][index];
-				priv->RfTxPwrLevelOfdm1T[rf_path][i]  =
-				priv->RfOfdmChnlAreaTxPwr1T[rf_path][index];
-				priv->RfTxPwrLevelOfdm2T[rf_path][i]  =
-				priv->RfOfdmChnlAreaTxPwr2T[rf_path][index];
-				if (rf_path == 0)
-				{
-					priv->TxPowerLevelOFDM24G[i] = priv->RfTxPwrLevelOfdm1T[rf_path][i] ;
-					priv->TxPowerLevelCCK[i] = priv->RfTxPwrLevelCck[rf_path][i];
-				}
-			}
-
-			for(i=0; i<14; i++)
-			{
-				RT_TRACE((COMP_INIT),
-				"Rf-%d TxPwr CH-%d CCK OFDM_1T OFDM_2T= 0x%x/0x%x/0x%x\n",
-				rf_path, i, priv->RfTxPwrLevelCck[rf_path][i],
-				priv->RfTxPwrLevelOfdm1T[rf_path][i] ,
-				priv->RfTxPwrLevelOfdm2T[rf_path][i] );
-			}
-		}
+		update_hal_variables(priv);
 	}
 
 	//
@@ -7677,7 +7640,7 @@ void setKey(	struct net_device *dev,
 	if (EntryNo >= TOTAL_CAM_ENTRY)
 		RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
 
-	RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr"MAC_FMT"\n", dev,EntryNo, KeyIndex, KeyType, MAC_ARG(MacAddr));
+	RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev,EntryNo, KeyIndex, KeyType, MacAddr);
 
 	if (DefaultKey)
 		usConfig |= BIT15 | (KeyType<<2);
diff --git a/drivers/staging/rtl8192su/r8192U_dm.c b/drivers/staging/rtl8192su/r8192U_dm.c
index 7891e9640272..fa5e24416dde 100644
--- a/drivers/staging/rtl8192su/r8192U_dm.c
+++ b/drivers/staging/rtl8192su/r8192U_dm.c
@@ -2697,7 +2697,7 @@ static void dm_check_edca_turbo(
 		u8* peername[11] = {"unknown", "realtek", "realtek_92se", "broadcom", "ralink", "atheros", "cisco", "marvell", "92u_softap", "self_softap"};
 		static int wb_tmp = 0;
 		if (wb_tmp == 0){
-			printk("%s():iot peer is %#x:%s, bssid:"MAC_FMT"\n",__FUNCTION__,pHTInfo->IOTPeer,peername[pHTInfo->IOTPeer], MAC_ARG(priv->ieee80211->current_network.bssid));
+			printk("%s():iot peer is %#x:%s, bssid:%pM\n",__FUNCTION__,pHTInfo->IOTPeer,peername[pHTInfo->IOTPeer], priv->ieee80211->current_network.bssid);
 			wb_tmp = 1;
 		}
 	}
diff --git a/drivers/staging/rtl8192u/Kconfig b/drivers/staging/rtl8192u/Kconfig
index 9913ab8fb359..0439c90b4163 100644
--- a/drivers/staging/rtl8192u/Kconfig
+++ b/drivers/staging/rtl8192u/Kconfig
@@ -1,6 +1,7 @@
 config RTL8192U
 	tristate "RealTek RTL8192U Wireless LAN NIC driver"
 	depends on PCI && WLAN && USB
-	depends on WIRELESS_EXT
+	select WIRELESS_EXT
+	select WEXT_PRIV
 	default N
 	---help---
diff --git a/drivers/staging/rtl8192u/Makefile b/drivers/staging/rtl8192u/Makefile
index 2d59c4ef6c5b..738f4a80ec67 100644
--- a/drivers/staging/rtl8192u/Makefile
+++ b/drivers/staging/rtl8192u/Makefile
@@ -3,7 +3,7 @@ NIC_SELECT = RTL8192U
 EXTRA_CFLAGS += -std=gnu89
 EXTRA_CFLAGS += -O2
 
-EXTRA_CFLAGS += -mhard-float -DCONFIG_FORCE_HARD_FLOAT=y
+EXTRA_CFLAGS += -DCONFIG_FORCE_HARD_FLOAT=y
 EXTRA_CFLAGS += -DJACKSON_NEW_8187 -DJACKSON_NEW_RX
 EXTRA_CFLAGS += -DTHOMAS_BEACON -DTHOMAS_TASKLET -DTHOMAS_SKB -DTHOMAS_TURBO
 #EXTRA_CFLAGS += -DUSB_TX_DRIVER_AGGREGATION_ENABLE
diff --git a/drivers/staging/rtl8192u/ieee80211.h b/drivers/staging/rtl8192u/ieee80211.h
index 3a47f1213e85..9d05ed6791ee 100644
--- a/drivers/staging/rtl8192u/ieee80211.h
+++ b/drivers/staging/rtl8192u/ieee80211.h
@@ -551,9 +551,6 @@ do { if (ieee80211_debug_level & (level)) \
 
 /* debug macros not dependent on CONFIG_IEEE80211_DEBUG */
 
-#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
-#define MAC_ARG(x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5]
-
 /*
  * To use the debug system;
  *
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211.h b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
index 10908e123b86..39847c81e29c 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211.h
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211.h
@@ -30,6 +30,7 @@
 #include <linux/jiffies.h>
 #include <linux/timer.h>
 #include <linux/sched.h>
+#include <linux/semaphore.h>
 
 #include <linux/delay.h>
 #include <linux/wireless.h>
@@ -551,9 +552,6 @@ do { if (ieee80211_debug_level & (level)) \
 
 /* debug macros not dependent on CONFIG_IEEE80211_DEBUG */
 
-#define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
-#define MAC_ARG(x) ((u8*)(x))[0],((u8*)(x))[1],((u8*)(x))[2],((u8*)(x))[3],((u8*)(x))[4],((u8*)(x))[5]
-
 /*
  * To use the debug system;
  *
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c
index 0b33bf463320..0b57632bcff9 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_ccmp.c
@@ -288,7 +288,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	if (!(keyidx & (1 << 5))) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "CCMP: received packet without ExtIV"
-			       " flag from " MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       " flag from %pM\n", hdr->addr2);
 		}
 		key->dot11RSNAStatsCCMPFormatErrors++;
 		return -2;
@@ -301,9 +301,9 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	}
 	if (!key->key_set) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "CCMP: received packet from " MAC_FMT
+			printk(KERN_DEBUG "CCMP: received packet from %pM"
 			       " with keyid=%d that does not have a configured"
-			       " key\n", MAC_ARG(hdr->addr2), keyidx);
+			       " key\n", hdr->addr2, keyidx);
 		}
 		return -3;
 	}
@@ -318,11 +318,9 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 
 	if (memcmp(pn, key->rx_pn, CCMP_PN_LEN) <= 0) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "CCMP: replay detected: STA=" MAC_FMT
-			       " previous PN %02x%02x%02x%02x%02x%02x "
-			       "received PN %02x%02x%02x%02x%02x%02x\n",
-			       MAC_ARG(hdr->addr2), MAC_ARG(key->rx_pn),
-			       MAC_ARG(pn));
+			printk(KERN_DEBUG "CCMP: replay detected: STA=%pM"
+			       " previous PN %pm received PN %pm\n",
+			       hdr->addr2, key->rx_pn, pn);
 		}
 		key->dot11RSNAStatsCCMPReplays++;
 		return -4;
@@ -359,7 +357,7 @@ static int ieee80211_ccmp_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 		if (memcmp(mic, a, CCMP_MIC_LEN) != 0) {
 			if (net_ratelimit()) {
 				printk(KERN_DEBUG "CCMP: decrypt failed: STA="
-				MAC_FMT "\n", MAC_ARG(hdr->addr2));
+				"%pM\n", hdr->addr2);
 			}
 			key->dot11RSNAStatsCCMPDecryptErrors++;
 			return -5;
@@ -435,11 +433,10 @@ static char * ieee80211_ccmp_print_stats(char *p, void *priv)
 {
 	struct ieee80211_ccmp_data *ccmp = priv;
 	p += sprintf(p, "key[%d] alg=CCMP key_set=%d "
-		     "tx_pn=%02x%02x%02x%02x%02x%02x "
-		     "rx_pn=%02x%02x%02x%02x%02x%02x "
+		     "tx_pn=%pm rx_pn=%pm "
 		     "format_errors=%d replays=%d decrypt_errors=%d\n",
 		     ccmp->key_idx, ccmp->key_set,
-		     MAC_ARG(ccmp->tx_pn), MAC_ARG(ccmp->rx_pn),
+		     ccmp->tx_pn, ccmp->rx_pn,
 		     ccmp->dot11RSNAStatsCCMPFormatErrors,
 		     ccmp->dot11RSNAStatsCCMPReplays,
 		     ccmp->dot11RSNAStatsCCMPDecryptErrors);
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
index 841b99955b79..9510507d8d05 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_crypt_tkip.c
@@ -410,7 +410,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	if (!(keyidx & (1 << 5))) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "TKIP: received packet without ExtIV"
-			       " flag from " MAC_FMT "\n", MAC_ARG(hdr->addr2));
+			       " flag from %pM\n", hdr->addr2);
 		}
 		return -2;
 	}
@@ -422,9 +422,9 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 	}
 	if (!tkey->key_set) {
 		if (net_ratelimit()) {
-			printk(KERN_DEBUG "TKIP: received packet from " MAC_FMT
+			printk(KERN_DEBUG "TKIP: received packet from %pM"
 			       " with keyid=%d that does not have a configured"
-			       " key\n", MAC_ARG(hdr->addr2), keyidx);
+			       " key\n", hdr->addr2, keyidx);
 		}
 		return -3;
 	}
@@ -437,9 +437,9 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 		if (iv32 < tkey->rx_iv32 ||
 		(iv32 == tkey->rx_iv32 && iv16 <= tkey->rx_iv16)) {
 			if (net_ratelimit()) {
-				printk(KERN_DEBUG "TKIP: replay detected: STA=" MAC_FMT
+				printk(KERN_DEBUG "TKIP: replay detected: STA=%pM"
 				" previous TSC %08x%04x received TSC "
-				"%08x%04x\n", MAC_ARG(hdr->addr2),
+				"%08x%04x\n", hdr->addr2,
 				tkey->rx_iv32, tkey->rx_iv16, iv32, iv16);
 			}
 			tkey->dot11RSNAStatsTKIPReplays++;
@@ -460,8 +460,8 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 		if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
 			if (net_ratelimit()) {
 				printk(KERN_DEBUG ": TKIP: failed to decrypt "
-						"received packet from " MAC_FMT "\n",
-						MAC_ARG(hdr->addr2));
+						"received packet from %pM\n",
+						hdr->addr2);
 			}
 			return -7;
 		}
@@ -480,7 +480,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
 			}
 			if (net_ratelimit()) {
 				printk(KERN_DEBUG "TKIP: ICV error detected: STA="
-				MAC_FMT "\n", MAC_ARG(hdr->addr2));
+				"%pM\n", hdr->addr2);
 			}
 			tkey->dot11RSNAStatsTKIPICVErrors++;
 			return -5;
@@ -635,8 +635,8 @@ static int ieee80211_michael_mic_verify(struct sk_buff *skb, int keyidx,
 		struct ieee80211_hdr_4addr *hdr;
 		hdr = (struct ieee80211_hdr_4addr *) skb->data;
 		printk(KERN_DEBUG "%s: Michael MIC verification failed for "
-		       "MSDU from " MAC_FMT " keyidx=%d\n",
-		       skb->dev ? skb->dev->name : "N/A", MAC_ARG(hdr->addr2),
+		       "MSDU from %pM keyidx=%d\n",
+		       skb->dev ? skb->dev->name : "N/A", hdr->addr2,
 		       keyidx);
 		if (skb->dev)
 			ieee80211_michael_mic_failure(skb->dev, hdr, keyidx);
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
index 7a8690f449b4..b752017a4d18 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_module.c
@@ -260,7 +260,7 @@ static int store_debug_level(struct file *file, const char *buffer,
 			     unsigned long count, void *data)
 {
 	char buf[] = "0x00000000";
-	unsigned long len = min(sizeof(buf) - 1, count);
+	unsigned long len = min_t(unsigned long, sizeof(buf) - 1, count);
 	char *p = (char *)buf;
 	unsigned long val;
 
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
index 0e003c5bb000..7e9b367594a0 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c
@@ -360,8 +360,8 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
 	    strcmp(crypt->ops->name, "TKIP") == 0) {
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
-			       "received packet from " MAC_FMT "\n",
-			       ieee->dev->name, MAC_ARG(hdr->addr2));
+			       "received packet from %pM\n",
+			       ieee->dev->name, hdr->addr2);
 		}
 		return -1;
 	}
@@ -372,8 +372,8 @@ ieee80211_rx_frame_decrypt(struct ieee80211_device* ieee, struct sk_buff *skb,
 	atomic_dec(&crypt->refcnt);
 	if (res < 0) {
 		IEEE80211_DEBUG_DROP(
-			"decryption failed (SA=" MAC_FMT
-			") res=%d\n", MAC_ARG(hdr->addr2), res);
+			"decryption failed (SA=%pM"
+			") res=%d\n", hdr->addr2, res);
 		if (res == -2)
 			IEEE80211_DEBUG_DROP("Decryption failed ICV "
 					     "mismatch (key %d)\n",
@@ -410,8 +410,8 @@ ieee80211_rx_frame_decrypt_msdu(struct ieee80211_device* ieee, struct sk_buff *s
 	atomic_dec(&crypt->refcnt);
 	if (res < 0) {
 		printk(KERN_DEBUG "%s: MSDU decryption/MIC verification failed"
-		       " (SA=" MAC_FMT " keyidx=%d)\n",
-		       ieee->dev->name, MAC_ARG(hdr->addr2), keyidx);
+		       " (SA=%pM keyidx=%d)\n",
+		       ieee->dev->name, hdr->addr2, keyidx);
 		return -1;
 	}
 
@@ -1016,8 +1016,8 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 			 * frames silently instead of filling system log with
 			 * these reports. */
 			IEEE80211_DEBUG_DROP("Decryption failed (not set)"
-					     " (SA=" MAC_FMT ")\n",
-					     MAC_ARG(hdr->addr2));
+					     " (SA=%pM)\n",
+					     hdr->addr2);
 			ieee->ieee_stats.rx_discards_undecryptable++;
 			goto rx_dropped;
 		}
@@ -1256,8 +1256,8 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 		} else {
 			IEEE80211_DEBUG_DROP(
 				"encryption configured, but RX "
-				"frame not encrypted (SA=" MAC_FMT ")\n",
-				MAC_ARG(hdr->addr2));
+				"frame not encrypted (SA=%pM)\n",
+				hdr->addr2);
 			goto rx_dropped;
 		}
 	}
@@ -1276,9 +1276,9 @@ int ieee80211_rx(struct ieee80211_device *ieee, struct sk_buff *skb,
 	    !ieee80211_is_eapol_frame(ieee, skb, hdrlen)) {
 		IEEE80211_DEBUG_DROP(
 			"dropped unencrypted RX data "
-			"frame from " MAC_FMT
+			"frame from %pM"
 			" (drop_unencrypted=1)\n",
-			MAC_ARG(hdr->addr2));
+			hdr->addr2);
 		goto rx_dropped;
 	}
 /*
@@ -2260,11 +2260,11 @@ static inline int ieee80211_network_init(
 	}
 
 	if (network->mode == 0) {
-		IEEE80211_DEBUG_SCAN("Filtered out '%s (" MAC_FMT ")' "
+		IEEE80211_DEBUG_SCAN("Filtered out '%s (%pM)' "
 				     "network.\n",
 				     escape_essid(network->ssid,
 						  network->ssid_len),
-				     MAC_ARG(network->bssid));
+				     network->bssid);
 		return 1;
 	}
 
@@ -2439,9 +2439,9 @@ static inline void ieee80211_process_probe_response(
 
 	memset(&network, 0, sizeof(struct ieee80211_network));
 	IEEE80211_DEBUG_SCAN(
-		"'%s' (" MAC_FMT "): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
+		"'%s' (%pM): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n",
 		escape_essid(info_element->data, info_element->len),
-		MAC_ARG(beacon->header.addr3),
+		beacon->header.addr3,
 		(beacon->capability & (1<<0xf)) ? '1' : '0',
 		(beacon->capability & (1<<0xe)) ? '1' : '0',
 		(beacon->capability & (1<<0xd)) ? '1' : '0',
@@ -2460,10 +2460,10 @@ static inline void ieee80211_process_probe_response(
 		(beacon->capability & (1<<0x0)) ? '1' : '0');
 
 	if (ieee80211_network_init(ieee, beacon, &network, stats)) {
-		IEEE80211_DEBUG_SCAN("Dropped '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Dropped '%s' (%pM) via %s.\n",
 				     escape_essid(info_element->data,
 						  info_element->len),
-				     MAC_ARG(beacon->header.addr3),
+				     beacon->header.addr3,
 				     WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
 				     IEEE80211_STYPE_PROBE_RESP ?
 				     "PROBE RESPONSE" : "BEACON");
@@ -2574,11 +2574,11 @@ static inline void ieee80211_process_probe_response(
 			/* If there are no more slots, expire the oldest */
 			list_del(&oldest->list);
 			target = oldest;
-			IEEE80211_DEBUG_SCAN("Expired '%s' (" MAC_FMT ") from "
+			IEEE80211_DEBUG_SCAN("Expired '%s' (%pM) from "
 					     "network list.\n",
 					     escape_essid(target->ssid,
 							  target->ssid_len),
-					     MAC_ARG(target->bssid));
+					     target->bssid);
 		} else {
 			/* Otherwise just pull from the free list */
 			target = list_entry(ieee->network_free_list.next,
@@ -2588,10 +2588,10 @@ static inline void ieee80211_process_probe_response(
 
 
 #ifdef CONFIG_IEEE80211_DEBUG
-		IEEE80211_DEBUG_SCAN("Adding '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Adding '%s' (%pM) via %s.\n",
 				     escape_essid(network.ssid,
 						  network.ssid_len),
-				     MAC_ARG(network.bssid),
+				     network.bssid,
 				     WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
 				     IEEE80211_STYPE_PROBE_RESP ?
 				     "PROBE RESPONSE" : "BEACON");
@@ -2601,10 +2601,10 @@ static inline void ieee80211_process_probe_response(
 		if(ieee->softmac_features & IEEE_SOFTMAC_ASSOCIATE)
 			ieee80211_softmac_new_net(ieee,&network);
 	} else {
-		IEEE80211_DEBUG_SCAN("Updating '%s' (" MAC_FMT ") via %s.\n",
+		IEEE80211_DEBUG_SCAN("Updating '%s' (%pM) via %s.\n",
 				     escape_essid(target->ssid,
 						  target->ssid_len),
-				     MAC_ARG(target->bssid),
+				     target->bssid,
 				     WLAN_FC_GET_STYPE(beacon->header.frame_ctl) ==
 				     IEEE80211_STYPE_PROBE_RESP ?
 				     "PROBE RESPONSE" : "BEACON");
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
index 8a86e93465c8..27d925712cdd 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
@@ -1731,7 +1731,7 @@ ieee80211_rx_assoc_rq(struct ieee80211_device *ieee, struct sk_buff *skb)
 		ieee80211_resp_to_assoc_rq(ieee, dest);
 	}
 
-	printk(KERN_INFO"New client associated: "MAC_FMT"\n", MAC_ARG(dest));
+	printk(KERN_INFO"New client associated: %pM\n", dest);
 	//FIXME
 }
 
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
index b29c36bac377..48537d948945 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_tx.c
@@ -200,8 +200,8 @@ int ieee80211_encrypt_fragment(
 		header = (struct ieee80211_hdr *) frag->data;
 		if (net_ratelimit()) {
 			printk(KERN_DEBUG "%s: TKIP countermeasures: dropped "
-			       "TX packet to " MAC_FMT "\n",
-			       ieee->dev->name, MAC_ARG(header->addr1));
+			       "TX packet to %pM\n",
+			       ieee->dev->name, header->addr1);
 		}
 		return -1;
 	}
diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
index 5f12d62658c9..c0b2c02b0ac4 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_wx.c
@@ -289,10 +289,10 @@ int ieee80211_wx_get_scan(struct ieee80211_device *ieee,
 		else
 			IEEE80211_DEBUG_SCAN(
 				"Not showing network '%s ("
-				MAC_FMT ")' due to age (%lums).\n",
+				"%pM)' due to age (%lums).\n",
 				escape_essid(network->ssid,
 					     network->ssid_len),
-				MAC_ARG(network->bssid),
+				network->bssid,
 				(jiffies - network->last_scanned) / (HZ / 100));
 	}
 
@@ -718,7 +718,7 @@ int ieee80211_wx_get_encode_ext(struct ieee80211_device *ieee,
 	} else
 		idx = ieee->tx_keyidx;
 
-	if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY &&
+	if (!(ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) &&
 	    ext->alg != IW_ENCODE_ALG_WEP)
 		if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA)
 			return -EINVAL;
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c
index 512a57aebde3..27d083a70eb2 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_BAProc.c
@@ -113,7 +113,7 @@ static struct sk_buff* ieee80211_ADDBA(struct ieee80211_device* ieee, u8* Dst, P
 	u16 tmp = 0;
 	u16 len = ieee->tx_headroom + 9;
 	//category(1) + action field(1) + Dialog Token(1) + BA Parameter Set(2) +  BA Timeout Value(2) +  BA Start SeqCtrl(2)(or StatusCode(2))
-	IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), frame(%d) sentd to:"MAC_FMT", ieee->dev:%p\n", __FUNCTION__, type, MAC_ARG(Dst), ieee->dev);
+	IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), frame(%d) sentd to:%pM, ieee->dev:%p\n", __FUNCTION__, type, Dst, ieee->dev);
 	if (pBA == NULL||ieee == NULL)
 	{
 		IEEE80211_DEBUG(IEEE80211_DL_ERR, "pBA(%p) is NULL or ieee(%p) is NULL\n", pBA, ieee);
@@ -201,7 +201,7 @@ static struct sk_buff* ieee80211_DELBA(
 	u16 len = 6 + ieee->tx_headroom;
 
 	if (net_ratelimit())
-	IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), ReasonCode(%d) sentd to:"MAC_FMT"\n", __FUNCTION__, ReasonCode, MAC_ARG(dst));
+	IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), ReasonCode(%d) sentd to:%pM\n", __FUNCTION__, ReasonCode, dst);
 
 	memset(&DelbaParamSet, 0, 2);
 
@@ -355,7 +355,7 @@ int ieee80211_rx_ADDBAReq( struct ieee80211_device* ieee, struct sk_buff *skb)
 	pBaTimeoutVal = (u16*)(tag + 5);
 	pBaStartSeqCtrl = (PSEQUENCE_CONTROL)(req + 7);
 
-	printk("====================>rx ADDBAREQ from :"MAC_FMT"\n", MAC_ARG(dst));
+	printk("====================>rx ADDBAREQ from :%pM\n", dst);
 //some other capability is not ready now.
 	if(	(ieee->current_network.qos_data.active == 0) ||
 		(ieee->pHTInfo->bCurrentHTSupport == false)) //||
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c
index 2c4eb38c89a8..50f4f5943e75 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_HTProc.c
@@ -41,7 +41,7 @@ static u8 AIRLINK_RALINK[3] = {0x00, 0x18, 0x02};
 //static u8 DLINK_ATHEROS[3] = {0x00, 0x1c, 0xf0};
 static u8 CISCO_BROADCOM[3] = {0x00, 0x17, 0x94};
 
-// 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Shoud we put the
+// 2008/04/01 MH For Cisco G mode RX TP We need to change FW duration. Should we put the
 // code in other place??
 //static u8 WIFI_CISCO_G_AP[3] = {0x00, 0x40, 0x96};
 /********************************************************************************************************************
@@ -1342,7 +1342,7 @@ void HTUseDefaultSetting(struct ieee80211_device* ieee)
 
 		pHTInfo->CurrentAMPDUFactor = pHTInfo->AMPDU_Factor;
 
-		pHTInfo->CurrentMPDUDensity = pHTInfo->CurrentMPDUDensity;
+		pHTInfo->CurrentMPDUDensity = pHTInfo->MPDU_Density;
 
 		// Set BWOpMode register
 
diff --git a/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c b/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
index 5373d565af24..d1275e887f0c 100644
--- a/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
+++ b/drivers/staging/rtl8192u/ieee80211/rtl819x_TSProc.c
@@ -290,7 +290,7 @@ PTS_COMMON_INFO SearchAdmitTRStream(struct ieee80211_device *ieee, u8*	Addr, u8
 		if(search_dir[dir] ==false )
 			continue;
 		list_for_each_entry(pRet, psearch_list, List){
-	//		IEEE80211_DEBUG(IEEE80211_DL_TS, "ADD:"MAC_FMT", TID:%d, dir:%d\n", MAC_ARG(pRet->Addr), pRet->TSpec.f.TSInfo.field.ucTSID, pRet->TSpec.f.TSInfo.field.ucDirection);
+	//		IEEE80211_DEBUG(IEEE80211_DL_TS, "ADD:%pM, TID:%d, dir:%d\n", pRet->Addr, pRet->TSpec.f.TSInfo.field.ucTSID, pRet->TSpec.f.TSInfo.field.ucDirection);
 			if (memcmp(pRet->Addr, Addr, 6) == 0)
 				if (pRet->TSpec.f.TSInfo.field.ucTSID == TID)
 					if(pRet->TSpec.f.TSInfo.field.ucDirection == dir)
@@ -445,7 +445,7 @@ bool GetTs(
 					ResetRxTsEntry(tmp);
 				}
 
-				IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:"MAC_FMT"\n", UP, Dir, MAC_ARG(Addr));
+				IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:%pM\n", UP, Dir, Addr);
 				// Prepare TS Info releated field
 				pTSInfo->field.ucTrafficType = 0;			// Traffic type: WMM is reserved in this field
 				pTSInfo->field.ucTSID = UP;			// TSID
@@ -531,7 +531,7 @@ void RemoveTsEntry(
 void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr)
 {
 	PTS_COMMON_INFO	pTS, pTmpTS;
-	printk("===========>RemovePeerTS,"MAC_FMT"\n", MAC_ARG(Addr));
+	printk("===========>RemovePeerTS,%pM\n", Addr);
 	list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
 	{
 		if (memcmp(pTS->Addr, Addr, 6) == 0)
diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index adade13e1e19..f1e085ba1cf1 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -104,7 +104,7 @@ u32 rt_global_debug_component = \
 #define TOTAL_CAM_ENTRY 32
 #define CAM_CONTENT_COUNT 8
 
-static struct usb_device_id rtl8192_usb_id_tbl[] = {
+static const struct usb_device_id rtl8192_usb_id_tbl[] = {
 	/* Realtek */
 	{USB_DEVICE(0x0bda, 0x8192)},
 	{USB_DEVICE(0x0bda, 0x8709)},
@@ -2719,7 +2719,7 @@ void rtl8192_SetWirelessMode(struct net_device* dev, u8 wireless_mode)
 			wireless_mode = WIRELESS_MODE_B;
 		}
 	}
-#ifdef TO_DO_LIST //// TODO: this function doesn't work well at this time, we shoud wait for FPGA
+#ifdef TO_DO_LIST //// TODO: this function doesn't work well at this time, we should wait for FPGA
 	ActUpdateChannelAccessSetting( pAdapter, pHalData->CurrentWirelessMode, &pAdapter->MgntInfo.Info8185.ChannelAccessSetting );
 #endif
 	priv->ieee80211->mode = wireless_mode;
@@ -2976,7 +2976,7 @@ static void rtl8192_read_eeprom_info(struct net_device* dev)
 		memcpy(dev->dev_addr, bMac_Tmp_Addr, 6);
 		//should I set IDR0 here?
 	}
-	RT_TRACE(COMP_EPROM, "MAC addr:"MAC_FMT"\n", MAC_ARG(dev->dev_addr));
+	RT_TRACE(COMP_EPROM, "MAC addr:%pM\n", dev->dev_addr);
 	priv->rf_type = RTL819X_DEFAULT_RF_TYPE; //default 1T2R
 	priv->rf_chip = RF_8256;
 
@@ -6037,7 +6037,7 @@ void setKey(	struct net_device *dev,
 	if (EntryNo >= TOTAL_CAM_ENTRY)
 		RT_TRACE(COMP_ERR, "cam entry exceeds in setKey()\n");
 
-	RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr"MAC_FMT"\n", dev,EntryNo, KeyIndex, KeyType, MAC_ARG(MacAddr));
+	RT_TRACE(COMP_SEC, "====>to setKey(), dev:%p, EntryNo:%d, KeyIndex:%d, KeyType:%d, MacAddr%pM\n", dev,EntryNo, KeyIndex, KeyType, MacAddr);
 
 	if (DefaultKey)
 		usConfig |= BIT15 | (KeyType<<2);
diff --git a/drivers/staging/samsung-laptop/samsung-laptop.c b/drivers/staging/samsung-laptop/samsung-laptop.c
index 4877138a9f96..eb44b60e1eb5 100644
--- a/drivers/staging/samsung-laptop/samsung-laptop.c
+++ b/drivers/staging/samsung-laptop/samsung-laptop.c
@@ -99,7 +99,8 @@ static struct rfkill *rfk;
 
 static int force;
 module_param(force, bool, 0);
-MODULE_PARM_DESC(force, "Disable the DMI check and forces the driver to be loaded");
+MODULE_PARM_DESC(force,
+		"Disable the DMI check and forces the driver to be loaded");
 
 static int debug;
 module_param(debug, bool, S_IRUGO | S_IWUSR);
@@ -370,7 +371,8 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
 	{
 		.ident = "N128",
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+			DMI_MATCH(DMI_SYS_VENDOR,
+					"SAMSUNG ELECTRONICS CO., LTD."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "N128"),
 			DMI_MATCH(DMI_BOARD_NAME, "N128"),
 		},
@@ -379,7 +381,8 @@ static struct dmi_system_id __initdata samsung_dmi_table[] = {
 	{
 		.ident = "N130",
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+			DMI_MATCH(DMI_SYS_VENDOR,
+					"SAMSUNG ELECTRONICS CO., LTD."),
 			DMI_MATCH(DMI_PRODUCT_NAME, "N130"),
 			DMI_MATCH(DMI_BOARD_NAME, "N130"),
 		},
@@ -391,6 +394,7 @@ MODULE_DEVICE_TABLE(dmi, samsung_dmi_table);
 
 static int __init samsung_init(void)
 {
+	struct backlight_properties props;
 	struct sabi_retval sretval;
 	const char *testStr = "SECLINUX";
 	void __iomem *memcheck;
@@ -483,12 +487,14 @@ static int __init samsung_init(void)
 		goto error_no_platform;
 
 	/* create a backlight device to talk to this one */
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = MAX_BRIGHT;
 	backlight_device = backlight_device_register("samsung", &sdev->dev,
-						     NULL, &backlight_ops);
+						     NULL, &backlight_ops,
+						     &props);
 	if (IS_ERR(backlight_device))
 		goto error_no_backlight;
 
-	backlight_device->props.max_brightness = MAX_BRIGHT;
 	backlight_device->props.brightness = read_brightness();
 	backlight_device->props.power = FB_BLANK_UNBLANK;
 	backlight_update_status(backlight_device);
diff --git a/drivers/staging/sep/sep_driver.c b/drivers/staging/sep/sep_driver.c
index e7bc9ec63a8c..265de7949a78 100644
--- a/drivers/staging/sep/sep_driver.c
+++ b/drivers/staging/sep/sep_driver.c
@@ -35,6 +35,7 @@
 #include <linux/cdev.h>
 #include <linux/kdev_t.h>
 #include <linux/mutex.h>
+#include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/poll.h>
 #include <linux/wait.h>
@@ -182,8 +183,8 @@ static DECLARE_WAIT_QUEUE_HEAD(sep_event);
 static int sep_load_firmware(struct sep_device *sep)
 {
 	const struct firmware *fw;
-	char *cache_name = "cache.image.bin";
-	char *res_name = "resident.image.bin";
+	char *cache_name = "sep/cache.image.bin";
+	char *res_name = "sep/resident.image.bin";
 	int error;
 
 	edbg("SEP Driver:rar_virtual is %p\n", sep->rar_addr);
@@ -222,6 +223,9 @@ static int sep_load_firmware(struct sep_device *sep)
 	return 0;
 }
 
+MODULE_FIRMWARE("sep/cache.image.bin");
+MODULE_FIRMWARE("sep/resident.image.bin");
+
 /**
  *	sep_map_and_alloc_shared_area	-	allocate shared block
  *	@sep: security processor
@@ -273,8 +277,8 @@ static dma_addr_t sep_shared_virt_to_bus(struct sep_device *sep,
 						void *virt_address)
 {
 	dma_addr_t pa = sep->shared_bus + (virt_address - sep->shared_addr);
-	edbg("sep: virt to bus b %08llx v %p\n",
-		(unsigned long long)pa, virt_address);
+	edbg("sep: virt to bus b %08llx v %p\n", (unsigned long long) pa,
+								virt_address);
 	return pa;
 }
 
@@ -380,8 +384,7 @@ static int sep_mmap(struct file *filp, struct vm_area_struct *vma)
 	   shared area */
 	if ((vma->vm_end - vma->vm_start) > SEP_DRIVER_MMMAP_AREA_SIZE) {
 		edbg("SEP Driver mmap requested size is more than allowed\n");
-		printk(KERN_WARNING "SEP Driver mmap requested size is more \
-			than allowed\n");
+		printk(KERN_WARNING "SEP Driver mmap requested size is more than allowed\n");
 		printk(KERN_WARNING "SEP Driver vma->vm_end is %08lx\n", vma->vm_end);
 		printk(KERN_WARNING "SEP Driver vma->vm_end is %08lx\n", vma->vm_start);
 		return -EAGAIN;
@@ -941,8 +944,9 @@ static int sep_lock_user_pages(struct sep_device *sep,
 			dbg("data_size is %lu\n", data_size);
 			while (1);
 		}
-		edbg("lli_array[%lu].physical_address is %08lx, \
-		lli_array[%lu].block_size is %lu\n", count, lli_array[count].physical_address, count, lli_array[count].block_size);
+		edbg("lli_array[%lu].physical_address is %08lx, lli_array[%lu].block_size is %lu\n",
+		     count, lli_array[count].physical_address,
+		     count, lli_array[count].block_size);
 	}
 
 	/* set output params */
@@ -1771,7 +1775,7 @@ static struct sep_flow_context_t *sep_find_flow_context(struct sep_device *sep,
 static int sep_create_flow_dma_tables_handler(struct sep_device *sep,
 							unsigned long arg)
 {
-	int error;
+	int error = -ENOENT;
 	struct sep_driver_build_flow_table_t command_args;
 	/* first table - output */
 	struct sep_lli_entry_t first_table_data;
@@ -2232,7 +2236,7 @@ static int sep_set_flow_id_handler(struct sep_device *sep,
 	return error;
 }
 
-static int sep_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg)
+static long sep_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
 	int error = 0;
 	struct sep_device *sep = filp->private_data;
@@ -2586,7 +2590,7 @@ end_function:
 	return error;
 }
 
-static struct pci_device_id sep_pci_id_tbl[] = {
+static const struct pci_device_id sep_pci_id_tbl[] = {
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080c)},
 	{0}
 };
@@ -2607,7 +2611,7 @@ static dev_t sep_devno;
 /* the files operations structure of the driver */
 static struct file_operations sep_file_operations = {
 	.owner = THIS_MODULE,
-	.ioctl = sep_ioctl,
+	.unlocked_ioctl = sep_ioctl,
 	.poll = sep_poll,
 	.open = sep_open,
 	.release = sep_release,
diff --git a/drivers/staging/serqt_usb2/serqt_usb2.c b/drivers/staging/serqt_usb2/serqt_usb2.c
index 060e9de3b065..44f2d4eaf84b 100644
--- a/drivers/staging/serqt_usb2/serqt_usb2.c
+++ b/drivers/staging/serqt_usb2/serqt_usb2.c
@@ -126,7 +126,7 @@ static int debug;
 #define MODEM_CTRL          0x40
 #define RS232_MODE          0x00
 
-static struct usb_device_id serqt_id_table[] = {
+static const struct usb_device_id serqt_id_table[] = {
 	{USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_SSU100)},
 	{USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_SSU200)},
 	{USB_DEVICE(USB_VENDOR_ID_QUATECH, QUATECH_DSU100)},
@@ -1277,7 +1277,7 @@ static void qt_set_termios(struct tty_struct *tty,
 	if (cflag & CSTOPB)
 		new_LCR |= SERIAL_TWO_STOPB;
 	else
-		new_LCR |= SERIAL_TWO_STOPB;
+		new_LCR |= SERIAL_ONE_STOPB;
 
 	dbg("%s - 4\n", __func__);
 
diff --git a/drivers/staging/slicoss/slic.h b/drivers/staging/slicoss/slic.h
index ccf7625b8bb3..eb3a619c6a94 100644
--- a/drivers/staging/slicoss/slic.h
+++ b/drivers/staging/slicoss/slic.h
@@ -527,15 +527,6 @@ struct adapter {
     (largestat) += ((newstat) - (oldstat));                              \
 }
 
-#define ETHER_EQ_ADDR(_AddrA, _AddrB, _Result)                           \
-{                                                                        \
-    _Result = true;                                                      \
-    if (*(u32 *)(_AddrA) != *(u32 *)(_AddrB))                          \
-	_Result = false;                                                 \
-    if (*(u16 *)(&((_AddrA)[4])) != *(u16 *)(&((_AddrB)[4])))        \
-	_Result = false;                                                 \
-}
-
 #if defined(CONFIG_X86_64) || defined(CONFIG_IA64)
 #define   SLIC_GET_ADDR_LOW(_addr)  (u32)((u64)(_addr) & \
 	0x00000000FFFFFFFF)
diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index f5cc01ba4145..7daeced317c4 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -101,7 +101,7 @@ static struct net_device_stats *slic_get_stats(struct net_device *dev);
 static int slic_entry_open(struct net_device *dev);
 static int slic_entry_halt(struct net_device *dev);
 static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
-static int slic_xmit_start(struct sk_buff *skb, struct net_device *dev);
+static netdev_tx_t slic_xmit_start(struct sk_buff *skb, struct net_device *dev);
 static void slic_xmit_fail(struct adapter *adapter, struct sk_buff *skb,
 			   void *cmd, u32 skbtype, u32 status);
 static void slic_config_pci(struct pci_dev *pcidev);
@@ -194,14 +194,10 @@ MODULE_PARM_DESC(dynamic_intagg, "Dynamic Interrupt Aggregation Setting");
 module_param(intagg_delay, int, 0);
 MODULE_PARM_DESC(intagg_delay, "uSec Interrupt Aggregation Delay");
 
-static struct pci_device_id slic_pci_tbl[] __devinitdata = {
-	{PCI_VENDOR_ID_ALACRITECH,
-	 SLIC_1GB_DEVICE_ID,
-	 PCI_ANY_ID, PCI_ANY_ID,},
-	{PCI_VENDOR_ID_ALACRITECH,
-	 SLIC_2GB_DEVICE_ID,
-	 PCI_ANY_ID, PCI_ANY_ID,},
-	{0,}
+static DEFINE_PCI_DEVICE_TABLE(slic_pci_tbl) = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_1GB_DEVICE_ID) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_ALACRITECH, SLIC_2GB_DEVICE_ID) },
+	{ 0 }
 };
 
 MODULE_DEVICE_TABLE(pci, slic_pci_tbl);
@@ -292,7 +288,7 @@ static void slic_init_adapter(struct net_device *netdev,
 {
 	ushort index;
 	struct slic_handle *pslic_handle;
-	struct adapter *adapter = (struct adapter *)netdev_priv(netdev);
+	struct adapter *adapter = netdev_priv(netdev);
 
 /*	adapter->pcidev = pcidev;*/
 	adapter->vendid = pci_tbl_entry->vendor;
@@ -370,6 +366,7 @@ static int __devinit slic_entry_probe(struct pci_dev *pcidev,
 	ulong mmio_start = 0;
 	ulong mmio_len = 0;
 	struct sliccard *card = NULL;
+	int pci_using_dac = 0;
 
 	slic_global.dynamic_intagg = dynamic_intagg;
 
@@ -383,16 +380,26 @@ static int __devinit slic_entry_probe(struct pci_dev *pcidev,
 		printk(KERN_DEBUG "%s\n", slic_proc_version);
 	}
 
-	err = pci_set_dma_mask(pcidev, DMA_BIT_MASK(64));
-	if (err) {
-		err = pci_set_dma_mask(pcidev, DMA_BIT_MASK(32));
-		if (err)
+	if (!pci_set_dma_mask(pcidev, DMA_BIT_MASK(64))) {
+		pci_using_dac = 1;
+		if (pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(64))) {
+			dev_err(&pcidev->dev, "unable to obtain 64-bit DMA for "
+					"consistent allocations\n");
 			goto err_out_disable_pci;
+		}
+	} else if (pci_set_dma_mask(pcidev, DMA_BIT_MASK(32))) {
+		pci_using_dac = 0;
+		pci_set_consistent_dma_mask(pcidev, DMA_BIT_MASK(32));
+	} else {
+		dev_err(&pcidev->dev, "no usable DMA configuration\n");
+		goto err_out_disable_pci;
 	}
 
 	err = pci_request_regions(pcidev, DRV_NAME);
-	if (err)
+	if (err) {
+		dev_err(&pcidev->dev, "can't obtain PCI resources\n");
 		goto err_out_disable_pci;
+	}
 
 	pci_set_master(pcidev);
 
@@ -408,6 +415,8 @@ static int __devinit slic_entry_probe(struct pci_dev *pcidev,
 	adapter = netdev_priv(netdev);
 	adapter->netdev = netdev;
 	adapter->pcidev = pcidev;
+	if (pci_using_dac)
+		netdev->features |= NETIF_F_HIGHDMA;
 
 	mmio_start = pci_resource_start(pcidev, 0);
 	mmio_len = pci_resource_len(pcidev, 0);
@@ -484,7 +493,7 @@ err_out_disable_pci:
 
 static int slic_entry_open(struct net_device *dev)
 {
-	struct adapter *adapter = (struct adapter *) netdev_priv(dev);
+	struct adapter *adapter = netdev_priv(dev);
 	struct sliccard *card = adapter->card;
 	u32 locked = 0;
 	int status;
@@ -534,7 +543,7 @@ static void __devexit slic_entry_remove(struct pci_dev *pcidev)
 	struct net_device *dev = pci_get_drvdata(pcidev);
 	u32 mmio_start = 0;
 	uint mmio_len = 0;
-	struct adapter *adapter = (struct adapter *) netdev_priv(dev);
+	struct adapter *adapter = netdev_priv(dev);
 	struct sliccard *card;
 	struct mcast_address *mcaddr, *mlist;
 
@@ -581,7 +590,7 @@ static void __devexit slic_entry_remove(struct pci_dev *pcidev)
 
 static int slic_entry_halt(struct net_device *dev)
 {
-	struct adapter *adapter = (struct adapter *)netdev_priv(dev);
+	struct adapter *adapter = netdev_priv(dev);
 	struct sliccard *card = adapter->card;
 	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
 
@@ -624,7 +633,7 @@ static int slic_entry_halt(struct net_device *dev)
 
 static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 {
-	struct adapter *adapter = (struct adapter *)netdev_priv(dev);
+	struct adapter *adapter = netdev_priv(dev);
 	struct ethtool_cmd edata;
 	struct ethtool_cmd ecmd;
 	u32 data[7];
@@ -649,8 +658,7 @@ static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 
 			if (copy_from_user(data, rq->ifr_data, 28)) {
 				PRINT_ERROR
-				    ("slic: copy_from_user FAILED getting \
-				     initial simba param\n");
+				    ("slic: copy_from_user FAILED getting initial simba param\n");
 				return -EFAULT;
 			}
 
@@ -665,8 +673,7 @@ static int slic_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 				   (tracemon_request ==
 				    SLIC_DUMP_IN_PROGRESS)) {
 				PRINT_ERROR
-				    ("ATK Diagnostic Trace Dump Requested but \
-				     already in progress... ignore\n");
+				    ("ATK Diagnostic Trace Dump Requested but already in progress... ignore\n");
 			} else {
 				PRINT_ERROR
 				    ("ATK Diagnostic Trace Dump Requested\n");
@@ -784,10 +791,10 @@ static void slic_xmit_build_request(struct adapter *adapter,
 
 #define NORMAL_ETHFRAME     0
 
-static int slic_xmit_start(struct sk_buff *skb, struct net_device *dev)
+static netdev_tx_t slic_xmit_start(struct sk_buff *skb, struct net_device *dev)
 {
 	struct sliccard *card;
-	struct adapter *adapter = (struct adapter *)netdev_priv(dev);
+	struct adapter *adapter = netdev_priv(dev);
 	struct slic_hostcmd *hcmd = NULL;
 	u32 status = 0;
 	u32 skbtype = NORMAL_ETHFRAME;
@@ -1071,7 +1078,7 @@ static void slic_xmit_complete(struct adapter *adapter)
 static irqreturn_t slic_interrupt(int irq, void *dev_id)
 {
 	struct net_device *dev = (struct net_device *)dev_id;
-	struct adapter *adapter = (struct adapter *)netdev_priv(dev);
+	struct adapter *adapter = netdev_priv(dev);
 	u32 isr;
 
 	if ((adapter->pshmem) && (adapter->pshmem->isr)) {
@@ -1229,22 +1236,21 @@ static void slic_init_cleanup(struct adapter *adapter)
 
 static struct net_device_stats *slic_get_stats(struct net_device *dev)
 {
-	struct adapter *adapter = (struct adapter *)netdev_priv(dev);
-	struct net_device_stats *stats;
+	struct adapter *adapter = netdev_priv(dev);
 
 	ASSERT(adapter);
-	stats = &adapter->stats;
-	stats->collisions = adapter->slic_stats.iface.xmit_collisions;
-	stats->rx_errors = adapter->slic_stats.iface.rcv_errors;
-	stats->tx_errors = adapter->slic_stats.iface.xmt_errors;
-	stats->rx_missed_errors = adapter->slic_stats.iface.rcv_discards;
-	stats->tx_heartbeat_errors = 0;
-	stats->tx_aborted_errors = 0;
-	stats->tx_window_errors = 0;
-	stats->tx_fifo_errors = 0;
-	stats->rx_frame_errors = 0;
-	stats->rx_length_errors = 0;
-	return &adapter->stats;
+	dev->stats.collisions = adapter->slic_stats.iface.xmit_collisions;
+	dev->stats.rx_errors = adapter->slic_stats.iface.rcv_errors;
+	dev->stats.tx_errors = adapter->slic_stats.iface.xmt_errors;
+	dev->stats.rx_missed_errors = adapter->slic_stats.iface.rcv_discards;
+	dev->stats.tx_heartbeat_errors = 0;
+	dev->stats.tx_aborted_errors = 0;
+	dev->stats.tx_window_errors = 0;
+	dev->stats.tx_fifo_errors = 0;
+	dev->stats.rx_frame_errors = 0;
+	dev->stats.rx_length_errors = 0;
+
+	return &dev->stats;
 }
 
 /*
@@ -1254,13 +1260,11 @@ static struct net_device_stats *slic_get_stats(struct net_device *dev)
 static int slic_mcast_add_list(struct adapter *adapter, char *address)
 {
 	struct mcast_address *mcaddr, *mlist;
-	bool equaladdr;
 
 	/* Check to see if it already exists */
 	mlist = adapter->mcastaddrs;
 	while (mlist) {
-		ETHER_EQ_ADDR(mlist->address, address, equaladdr);
-		if (equaladdr)
+		if (!compare_ether_addr(mlist->address, address))
 			return STATUS_SUCCESS;
 		mlist = mlist->next;
 	}
@@ -1360,7 +1364,7 @@ static void slic_mcast_set_bit(struct adapter *adapter, char *address)
 
 static void slic_mcast_set_list(struct net_device *dev)
 {
-	struct adapter *adapter = (struct adapter *)netdev_priv(dev);
+	struct adapter *adapter = netdev_priv(dev);
 	int status = STATUS_SUCCESS;
 	char *addresses;
 	struct dev_mc_list *mc_list;
@@ -1852,6 +1856,9 @@ static int slic_card_download_gbrcv(struct adapter *adapter)
 	return 0;
 }
 
+MODULE_FIRMWARE("slicoss/oasisrcvucode.sys");
+MODULE_FIRMWARE("slicoss/gbrcvucode.sys");
+
 static int slic_card_download(struct adapter *adapter)
 {
 	const struct firmware *fw;
@@ -1963,6 +1970,9 @@ static int slic_card_download(struct adapter *adapter)
 	return STATUS_SUCCESS;
 }
 
+MODULE_FIRMWARE("slicoss/oasisdownload.sys");
+MODULE_FIRMWARE("slicoss/gbdownload.sys");
+
 static void slic_adapter_set_hwaddr(struct adapter *adapter)
 {
 	struct sliccard *card = adapter->card;
@@ -2466,7 +2476,6 @@ static bool slic_mac_filter(struct adapter *adapter,
 	u32 opts = adapter->macopts;
 	u32 *dhost4 = (u32 *)&ether_frame->ether_dhost[0];
 	u16 *dhost2 = (u16 *)&ether_frame->ether_dhost[4];
-	bool equaladdr;
 
 	if (opts & MAC_PROMISC)
 		return true;
@@ -2490,10 +2499,8 @@ static bool slic_mac_filter(struct adapter *adapter,
 			struct mcast_address *mcaddr = adapter->mcastaddrs;
 
 			while (mcaddr) {
-				ETHER_EQ_ADDR(mcaddr->address,
-					      ether_frame->ether_dhost,
-					      equaladdr);
-				if (equaladdr) {
+				if (!compare_ether_addr(mcaddr->address,
+							ether_frame->ether_dhost)) {
 					adapter->rcv_multicasts++;
 					adapter->stats.multicast++;
 					return true;
@@ -2515,7 +2522,7 @@ static bool slic_mac_filter(struct adapter *adapter,
 
 static int slic_mac_set_address(struct net_device *dev, void *ptr)
 {
-	struct adapter *adapter = (struct adapter *)netdev_priv(dev);
+	struct adapter *adapter = netdev_priv(dev);
 	struct sockaddr *addr = ptr;
 
 	if (netif_running(dev))
@@ -2523,6 +2530,9 @@ static int slic_mac_set_address(struct net_device *dev, void *ptr)
 	if (!adapter)
 		return -EBUSY;
 
+	if (!is_valid_ether_addr(addr->sa_data))
+		return -EINVAL;
+
 	memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
 	memcpy(adapter->currmacaddr, addr->sa_data, dev->addr_len);
 
@@ -3960,10 +3970,8 @@ static void slic_debug_adapter_create(struct adapter *adapter)
 
 static void slic_debug_adapter_destroy(struct adapter *adapter)
 {
-	if (adapter->debugfs_entry) {
-		debugfs_remove(adapter->debugfs_entry);
-		adapter->debugfs_entry = NULL;
-	}
+	debugfs_remove(adapter->debugfs_entry);
+	adapter->debugfs_entry = NULL;
 }
 
 static void slic_debug_card_create(struct sliccard *card)
diff --git a/drivers/staging/sm7xx/Kconfig b/drivers/staging/sm7xx/Kconfig
index 204dbfc3c38b..315102c7fed1 100644
--- a/drivers/staging/sm7xx/Kconfig
+++ b/drivers/staging/sm7xx/Kconfig
@@ -6,10 +6,3 @@ config FB_SM7XX
 	select FB_CFB_IMAGEBLIT
 	help
 	  Frame Buffer driver for the Silicon Motion SM7XX serial graphic card.
-
-config FB_SM7XX_ACCEL
-	bool "Siliconmotion Acceleration functions (EXPERIMENTAL)"
-	depends on FB_SM7XX && EXPERIMENTAL
-	help
-	  This will compile the Trident frame buffer device with
-	  acceleration functions.
diff --git a/drivers/staging/sm7xx/TODO b/drivers/staging/sm7xx/TODO
index 1f61f5e11cf5..a66d9e406497 100644
--- a/drivers/staging/sm7xx/TODO
+++ b/drivers/staging/sm7xx/TODO
@@ -1,5 +1,6 @@
 TODO:
 - Dual head support
+- 2D acceleration support
 - use kernel coding style
 - checkpatch.pl clean
 - refine the code and remove unused code
diff --git a/drivers/staging/sm7xx/smtc2d.c b/drivers/staging/sm7xx/smtc2d.c
deleted file mode 100644
index 2fff0a0052d1..000000000000
--- a/drivers/staging/sm7xx/smtc2d.c
+++ /dev/null
@@ -1,979 +0,0 @@
-/*
- * Silicon Motion SM7XX 2D drawing engine functions.
- *
- * Copyright (C) 2006 Silicon Motion Technology Corp.
- * Author: Boyod boyod.yang@siliconmotion.com.cn
- *
- * Copyright (C) 2009 Lemote, Inc.
- * Author: Wu Zhangjin, wuzhangjin@gmail.com
- *
- *  This file is subject to the terms and conditions of the GNU General Public
- *  License. See the file COPYING in the main directory of this archive for
- *  more details.
- *
- * Version 0.10.26192.21.01
- * 	- Add PowerPC support
- * 	- Add 2D support for Lynx -
- * Verified on 2.6.19.2
- * 	Boyod.yang  <boyod.yang@siliconmotion.com.cn>
- */
-
-unsigned char smtc_de_busy;
-
-void SMTC_write2Dreg(unsigned long nOffset, unsigned long nData)
-{
-	writel(nData, smtc_2DBaseAddress + nOffset);
-}
-
-unsigned long SMTC_read2Dreg(unsigned long nOffset)
-{
-	return readl(smtc_2DBaseAddress + nOffset);
-}
-
-void SMTC_write2Ddataport(unsigned long nOffset, unsigned long nData)
-{
-	writel(nData, smtc_2Ddataport + nOffset);
-}
-
-/**********************************************************************
- *
- * deInit
- *
- * Purpose
- *    Drawing engine initialization.
- *
- **********************************************************************/
-
-void deInit(unsigned int nModeWidth, unsigned int nModeHeight,
-		unsigned int bpp)
-{
-	/* Get current power configuration. */
-	unsigned char clock;
-	clock = smtc_seqr(0x21);
-
-	/* initialize global 'mutex lock' variable */
-	smtc_de_busy = 0;
-
-	/* Enable 2D Drawing Engine */
-	smtc_seqw(0x21, clock & 0xF8);
-
-	SMTC_write2Dreg(DE_CLIP_TL,
-			FIELD_VALUE(0, DE_CLIP_TL, TOP, 0) |
-			FIELD_SET(0, DE_CLIP_TL, STATUS, DISABLE) |
-			FIELD_SET(0, DE_CLIP_TL, INHIBIT, OUTSIDE) |
-			FIELD_VALUE(0, DE_CLIP_TL, LEFT, 0));
-
-	if (bpp >= 24) {
-		SMTC_write2Dreg(DE_PITCH,
-				FIELD_VALUE(0, DE_PITCH, DESTINATION,
-					    nModeWidth * 3) | FIELD_VALUE(0,
-								  DE_PITCH,
-								  SOURCE,
-								  nModeWidth
-								  * 3));
-	} else {
-		SMTC_write2Dreg(DE_PITCH,
-				FIELD_VALUE(0, DE_PITCH, DESTINATION,
-					    nModeWidth) | FIELD_VALUE(0,
-							      DE_PITCH,
-							      SOURCE,
-							      nModeWidth));
-	}
-
-	SMTC_write2Dreg(DE_WINDOW_WIDTH,
-			FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION,
-				    nModeWidth) | FIELD_VALUE(0,
-							      DE_WINDOW_WIDTH,
-							      SOURCE,
-							      nModeWidth));
-
-	switch (bpp) {
-	case 8:
-		SMTC_write2Dreg(DE_STRETCH_FORMAT,
-				FIELD_SET(0, DE_STRETCH_FORMAT, PATTERN_XY,
-					  NORMAL) | FIELD_VALUE(0,
-							DE_STRETCH_FORMAT,
-							PATTERN_Y,
-							0) |
-				FIELD_VALUE(0, DE_STRETCH_FORMAT, PATTERN_X,
-				    0) | FIELD_SET(0, DE_STRETCH_FORMAT,
-						   PIXEL_FORMAT,
-						   8) | FIELD_SET(0,
-							  DE_STRETCH_FORMAT,
-							  ADDRESSING,
-							  XY) |
-				FIELD_VALUE(0, DE_STRETCH_FORMAT,
-					SOURCE_HEIGHT, 3));
-		break;
-	case 24:
-		SMTC_write2Dreg(DE_STRETCH_FORMAT,
-				FIELD_SET(0, DE_STRETCH_FORMAT, PATTERN_XY,
-					  NORMAL) | FIELD_VALUE(0,
-							DE_STRETCH_FORMAT,
-							PATTERN_Y,
-							0) |
-				FIELD_VALUE(0, DE_STRETCH_FORMAT, PATTERN_X,
-				    0) | FIELD_SET(0, DE_STRETCH_FORMAT,
-							   PIXEL_FORMAT,
-							   24) | FIELD_SET(0,
-							   DE_STRETCH_FORMAT,
-							   ADDRESSING,
-							   XY) |
-				FIELD_VALUE(0, DE_STRETCH_FORMAT,
-					SOURCE_HEIGHT, 3));
-		break;
-	case 16:
-	default:
-		SMTC_write2Dreg(DE_STRETCH_FORMAT,
-				FIELD_SET(0, DE_STRETCH_FORMAT, PATTERN_XY,
-					  NORMAL) | FIELD_VALUE(0,
-							DE_STRETCH_FORMAT,
-							PATTERN_Y,
-							0) |
-				FIELD_VALUE(0, DE_STRETCH_FORMAT, PATTERN_X,
-				    0) | FIELD_SET(0, DE_STRETCH_FORMAT,
-							   PIXEL_FORMAT,
-							   16) | FIELD_SET(0,
-							   DE_STRETCH_FORMAT,
-							   ADDRESSING,
-							   XY) |
-				FIELD_VALUE(0, DE_STRETCH_FORMAT,
-					SOURCE_HEIGHT, 3));
-		break;
-	}
-
-	SMTC_write2Dreg(DE_MASKS,
-			FIELD_VALUE(0, DE_MASKS, BYTE_MASK, 0xFFFF) |
-			FIELD_VALUE(0, DE_MASKS, BIT_MASK, 0xFFFF));
-	SMTC_write2Dreg(DE_COLOR_COMPARE_MASK,
-			FIELD_VALUE(0, DE_COLOR_COMPARE_MASK, MASKS, \
-				0xFFFFFF));
-	SMTC_write2Dreg(DE_COLOR_COMPARE,
-			FIELD_VALUE(0, DE_COLOR_COMPARE, COLOR, 0xFFFFFF));
-}
-
-void deVerticalLine(unsigned long dst_base,
-		    unsigned long dst_pitch,
-		    unsigned long nX,
-		    unsigned long nY,
-		    unsigned long dst_height, unsigned long nColor)
-{
-	deWaitForNotBusy();
-
-	SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE,
-			FIELD_VALUE(0, DE_WINDOW_DESTINATION_BASE, ADDRESS,
-				    dst_base));
-
-	SMTC_write2Dreg(DE_PITCH,
-			FIELD_VALUE(0, DE_PITCH, DESTINATION, dst_pitch) |
-			FIELD_VALUE(0, DE_PITCH, SOURCE, dst_pitch));
-
-	SMTC_write2Dreg(DE_WINDOW_WIDTH,
-			FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION,
-			    dst_pitch) | FIELD_VALUE(0, DE_WINDOW_WIDTH,
-						     SOURCE,
-						     dst_pitch));
-
-	SMTC_write2Dreg(DE_FOREGROUND,
-			FIELD_VALUE(0, DE_FOREGROUND, COLOR, nColor));
-
-	SMTC_write2Dreg(DE_DESTINATION,
-			FIELD_SET(0, DE_DESTINATION, WRAP, DISABLE) |
-			FIELD_VALUE(0, DE_DESTINATION, X, nX) |
-			FIELD_VALUE(0, DE_DESTINATION, Y, nY));
-
-	SMTC_write2Dreg(DE_DIMENSION,
-			FIELD_VALUE(0, DE_DIMENSION, X, 1) |
-			FIELD_VALUE(0, DE_DIMENSION, Y_ET, dst_height));
-
-	SMTC_write2Dreg(DE_CONTROL,
-			FIELD_SET(0, DE_CONTROL, STATUS, START) |
-			FIELD_SET(0, DE_CONTROL, DIRECTION, LEFT_TO_RIGHT) |
-			FIELD_SET(0, DE_CONTROL, MAJOR, Y) |
-			FIELD_SET(0, DE_CONTROL, STEP_X, NEGATIVE) |
-			FIELD_SET(0, DE_CONTROL, STEP_Y, POSITIVE) |
-			FIELD_SET(0, DE_CONTROL, LAST_PIXEL, OFF) |
-			FIELD_SET(0, DE_CONTROL, COMMAND, SHORT_STROKE) |
-			FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) |
-			FIELD_VALUE(0, DE_CONTROL, ROP, 0x0C));
-
-	smtc_de_busy = 1;
-}
-
-void deHorizontalLine(unsigned long dst_base,
-		      unsigned long dst_pitch,
-		      unsigned long nX,
-		      unsigned long nY,
-		      unsigned long dst_width, unsigned long nColor)
-{
-	deWaitForNotBusy();
-
-	SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE,
-			FIELD_VALUE(0, DE_WINDOW_DESTINATION_BASE, ADDRESS,
-				    dst_base));
-
-	SMTC_write2Dreg(DE_PITCH,
-			FIELD_VALUE(0, DE_PITCH, DESTINATION, dst_pitch) |
-			FIELD_VALUE(0, DE_PITCH, SOURCE, dst_pitch));
-
-	SMTC_write2Dreg(DE_WINDOW_WIDTH,
-			FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION,
-			    dst_pitch) | FIELD_VALUE(0, DE_WINDOW_WIDTH,
-						     SOURCE,
-						     dst_pitch));
-	SMTC_write2Dreg(DE_FOREGROUND,
-			FIELD_VALUE(0, DE_FOREGROUND, COLOR, nColor));
-	SMTC_write2Dreg(DE_DESTINATION,
-			FIELD_SET(0, DE_DESTINATION, WRAP,
-			  DISABLE) | FIELD_VALUE(0, DE_DESTINATION, X,
-						 nX) | FIELD_VALUE(0,
-							   DE_DESTINATION,
-							   Y,
-							   nY));
-	SMTC_write2Dreg(DE_DIMENSION,
-			FIELD_VALUE(0, DE_DIMENSION, X,
-			    dst_width) | FIELD_VALUE(0, DE_DIMENSION,
-						     Y_ET, 1));
-	SMTC_write2Dreg(DE_CONTROL,
-		FIELD_SET(0, DE_CONTROL, STATUS, START) | FIELD_SET(0,
-							    DE_CONTROL,
-							    DIRECTION,
-							    RIGHT_TO_LEFT)
-		| FIELD_SET(0, DE_CONTROL, MAJOR, X) | FIELD_SET(0,
-							 DE_CONTROL,
-							 STEP_X,
-							 POSITIVE)
-		| FIELD_SET(0, DE_CONTROL, STEP_Y,
-			    NEGATIVE) | FIELD_SET(0, DE_CONTROL,
-						  LAST_PIXEL,
-						  OFF) | FIELD_SET(0,
-							   DE_CONTROL,
-							   COMMAND,
-							   SHORT_STROKE)
-		| FIELD_SET(0, DE_CONTROL, ROP_SELECT,
-			    ROP2) | FIELD_VALUE(0, DE_CONTROL, ROP,
-						0x0C));
-
-	smtc_de_busy = 1;
-}
-
-void deLine(unsigned long dst_base,
-	    unsigned long dst_pitch,
-	    unsigned long nX1,
-	    unsigned long nY1,
-	    unsigned long nX2, unsigned long nY2, unsigned long nColor)
-{
-	unsigned long nCommand =
-	    FIELD_SET(0, DE_CONTROL, STATUS, START) |
-	    FIELD_SET(0, DE_CONTROL, DIRECTION, LEFT_TO_RIGHT) |
-	    FIELD_SET(0, DE_CONTROL, MAJOR, X) |
-	    FIELD_SET(0, DE_CONTROL, STEP_X, POSITIVE) |
-	    FIELD_SET(0, DE_CONTROL, STEP_Y, POSITIVE) |
-	    FIELD_SET(0, DE_CONTROL, LAST_PIXEL, OFF) |
-	    FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) |
-	    FIELD_VALUE(0, DE_CONTROL, ROP, 0x0C);
-	unsigned long DeltaX;
-	unsigned long DeltaY;
-
-	/* Calculate delta X */
-	if (nX1 <= nX2)
-		DeltaX = nX2 - nX1;
-	else {
-		DeltaX = nX1 - nX2;
-		nCommand = FIELD_SET(nCommand, DE_CONTROL, STEP_X, NEGATIVE);
-	}
-
-	/* Calculate delta Y */
-	if (nY1 <= nY2)
-		DeltaY = nY2 - nY1;
-	else {
-		DeltaY = nY1 - nY2;
-		nCommand = FIELD_SET(nCommand, DE_CONTROL, STEP_Y, NEGATIVE);
-	}
-
-	/* Determine the major axis */
-	if (DeltaX < DeltaY)
-		nCommand = FIELD_SET(nCommand, DE_CONTROL, MAJOR, Y);
-
-	/* Vertical line? */
-	if (nX1 == nX2)
-		deVerticalLine(dst_base, dst_pitch, nX1, nY1, DeltaY, nColor);
-
-	/* Horizontal line? */
-	else if (nY1 == nY2)
-		deHorizontalLine(dst_base, dst_pitch, nX1, nY1, \
-				DeltaX, nColor);
-
-	/* Diagonal line? */
-	else if (DeltaX == DeltaY) {
-		deWaitForNotBusy();
-
-		SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE,
-				FIELD_VALUE(0, DE_WINDOW_DESTINATION_BASE,
-					    ADDRESS, dst_base));
-
-		SMTC_write2Dreg(DE_PITCH,
-				FIELD_VALUE(0, DE_PITCH, DESTINATION,
-					    dst_pitch) | FIELD_VALUE(0,
-							     DE_PITCH,
-							     SOURCE,
-							     dst_pitch));
-
-		SMTC_write2Dreg(DE_WINDOW_WIDTH,
-				FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION,
-					    dst_pitch) | FIELD_VALUE(0,
-							     DE_WINDOW_WIDTH,
-							     SOURCE,
-							     dst_pitch));
-
-		SMTC_write2Dreg(DE_FOREGROUND,
-				FIELD_VALUE(0, DE_FOREGROUND, COLOR, nColor));
-
-		SMTC_write2Dreg(DE_DESTINATION,
-				FIELD_SET(0, DE_DESTINATION, WRAP, DISABLE) |
-				FIELD_VALUE(0, DE_DESTINATION, X, 1) |
-				FIELD_VALUE(0, DE_DESTINATION, Y, nY1));
-
-		SMTC_write2Dreg(DE_DIMENSION,
-				FIELD_VALUE(0, DE_DIMENSION, X, 1) |
-				FIELD_VALUE(0, DE_DIMENSION, Y_ET, DeltaX));
-
-		SMTC_write2Dreg(DE_CONTROL,
-				FIELD_SET(nCommand, DE_CONTROL, COMMAND,
-					  SHORT_STROKE));
-	}
-
-	/* Generic line */
-	else {
-		unsigned int k1, k2, et, w;
-		if (DeltaX < DeltaY) {
-			k1 = 2 * DeltaX;
-			et = k1 - DeltaY;
-			k2 = et - DeltaY;
-			w = DeltaY + 1;
-		} else {
-			k1 = 2 * DeltaY;
-			et = k1 - DeltaX;
-			k2 = et - DeltaX;
-			w = DeltaX + 1;
-		}
-
-		deWaitForNotBusy();
-
-		SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE,
-				FIELD_VALUE(0, DE_WINDOW_DESTINATION_BASE,
-					    ADDRESS, dst_base));
-
-		SMTC_write2Dreg(DE_PITCH,
-				FIELD_VALUE(0, DE_PITCH, DESTINATION,
-					    dst_pitch) | FIELD_VALUE(0,
-							     DE_PITCH,
-							     SOURCE,
-							     dst_pitch));
-
-		SMTC_write2Dreg(DE_WINDOW_WIDTH,
-				FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION,
-					    dst_pitch) | FIELD_VALUE(0,
-							     DE_WINDOW_WIDTH,
-							     SOURCE,
-							     dst_pitch));
-
-		SMTC_write2Dreg(DE_FOREGROUND,
-				FIELD_VALUE(0, DE_FOREGROUND, COLOR, nColor));
-
-		SMTC_write2Dreg(DE_SOURCE,
-				FIELD_SET(0, DE_SOURCE, WRAP, DISABLE) |
-				FIELD_VALUE(0, DE_SOURCE, X_K1, k1) |
-				FIELD_VALUE(0, DE_SOURCE, Y_K2, k2));
-
-		SMTC_write2Dreg(DE_DESTINATION,
-				FIELD_SET(0, DE_DESTINATION, WRAP, DISABLE) |
-				FIELD_VALUE(0, DE_DESTINATION, X, nX1) |
-				FIELD_VALUE(0, DE_DESTINATION, Y, nY1));
-
-		SMTC_write2Dreg(DE_DIMENSION,
-				FIELD_VALUE(0, DE_DIMENSION, X, w) |
-				FIELD_VALUE(0, DE_DIMENSION, Y_ET, et));
-
-		SMTC_write2Dreg(DE_CONTROL,
-				FIELD_SET(nCommand, DE_CONTROL, COMMAND,
-					  LINE_DRAW));
-	}
-
-	smtc_de_busy = 1;
-}
-
-void deFillRect(unsigned long dst_base,
-		unsigned long dst_pitch,
-		unsigned long dst_X,
-		unsigned long dst_Y,
-		unsigned long dst_width,
-		unsigned long dst_height, unsigned long nColor)
-{
-	deWaitForNotBusy();
-
-	SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE,
-			FIELD_VALUE(0, DE_WINDOW_DESTINATION_BASE, ADDRESS,
-				    dst_base));
-
-	if (dst_pitch) {
-		SMTC_write2Dreg(DE_PITCH,
-				FIELD_VALUE(0, DE_PITCH, DESTINATION,
-					    dst_pitch) | FIELD_VALUE(0,
-							     DE_PITCH,
-							     SOURCE,
-							     dst_pitch));
-
-		SMTC_write2Dreg(DE_WINDOW_WIDTH,
-				FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION,
-					    dst_pitch) | FIELD_VALUE(0,
-							     DE_WINDOW_WIDTH,
-							     SOURCE,
-							     dst_pitch));
-	}
-
-	SMTC_write2Dreg(DE_FOREGROUND,
-			FIELD_VALUE(0, DE_FOREGROUND, COLOR, nColor));
-
-	SMTC_write2Dreg(DE_DESTINATION,
-			FIELD_SET(0, DE_DESTINATION, WRAP, DISABLE) |
-			FIELD_VALUE(0, DE_DESTINATION, X, dst_X) |
-			FIELD_VALUE(0, DE_DESTINATION, Y, dst_Y));
-
-	SMTC_write2Dreg(DE_DIMENSION,
-			FIELD_VALUE(0, DE_DIMENSION, X, dst_width) |
-			FIELD_VALUE(0, DE_DIMENSION, Y_ET, dst_height));
-
-	SMTC_write2Dreg(DE_CONTROL,
-			FIELD_SET(0, DE_CONTROL, STATUS, START) |
-			FIELD_SET(0, DE_CONTROL, DIRECTION, LEFT_TO_RIGHT) |
-			FIELD_SET(0, DE_CONTROL, LAST_PIXEL, OFF) |
-			FIELD_SET(0, DE_CONTROL, COMMAND, RECTANGLE_FILL) |
-			FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) |
-			FIELD_VALUE(0, DE_CONTROL, ROP, 0x0C));
-
-	smtc_de_busy = 1;
-}
-
-/**********************************************************************
- *
- * deRotatePattern
- *
- * Purpose
- *    Rotate the given pattern if necessary
- *
- * Parameters
- *    [in]
- *	   pPattern  - Pointer to DE_SURFACE structure containing
- *		       pattern attributes
- *	   patternX  - X position (0-7) of pattern origin
- *	   patternY  - Y position (0-7) of pattern origin
- *
- *    [out]
- *	   pattern_dstaddr - Pointer to pre-allocated buffer containing
- *	   rotated pattern
- *
- **********************************************************************/
-void deRotatePattern(unsigned char *pattern_dstaddr,
-		     unsigned long pattern_src_addr,
-		     unsigned long pattern_BPP,
-		     unsigned long pattern_stride, int patternX, int patternY)
-{
-	unsigned int i;
-	unsigned long pattern[PATTERN_WIDTH * PATTERN_HEIGHT];
-	unsigned int x, y;
-	unsigned char *pjPatByte;
-
-	if (pattern_dstaddr != NULL) {
-		deWaitForNotBusy();
-
-		if (patternX || patternY) {
-			/* Rotate pattern */
-			pjPatByte = (unsigned char *)pattern;
-
-			switch (pattern_BPP) {
-			case 8:
-				{
-					for (y = 0; y < 8; y++) {
-						unsigned char *pjBuffer =
-						    pattern_dstaddr +
-						    ((patternY + y) & 7) * 8;
-						for (x = 0; x < 8; x++) {
-							pjBuffer[(patternX +
-								  x) & 7] =
-							    pjPatByte[x];
-						}
-						pjPatByte += pattern_stride;
-					}
-					break;
-				}
-
-			case 16:
-				{
-					for (y = 0; y < 8; y++) {
-						unsigned short *pjBuffer =
-						    (unsigned short *)
-						    pattern_dstaddr +
-						    ((patternY + y) & 7) * 8;
-						for (x = 0; x < 8; x++) {
-							pjBuffer[(patternX +
-								  x) & 7] =
-							    ((unsigned short *)
-							     pjPatByte)[x];
-						}
-						pjPatByte += pattern_stride;
-					}
-					break;
-				}
-
-			case 32:
-				{
-					for (y = 0; y < 8; y++) {
-						unsigned long *pjBuffer =
-						    (unsigned long *)
-						    pattern_dstaddr +
-						    ((patternY + y) & 7) * 8;
-						for (x = 0; x < 8; x++) {
-							pjBuffer[(patternX +
-								  x) & 7] =
-							    ((unsigned long *)
-							     pjPatByte)[x];
-						}
-						pjPatByte += pattern_stride;
-					}
-					break;
-				}
-			}
-		} else {
-			/*Don't rotate,just copy pattern into pattern_dstaddr*/
-			for (i = 0; i < (pattern_BPP * 2); i++) {
-				((unsigned long *)pattern_dstaddr)[i] =
-				    pattern[i];
-			}
-		}
-
-	}
-}
-
-/**********************************************************************
- *
- * deCopy
- *
- * Purpose
- *    Copy a rectangular area of the source surface to a destination surface
- *
- * Remarks
- *    Source bitmap must have the same color depth (BPP) as the destination
- *    bitmap.
- *
-**********************************************************************/
-void deCopy(unsigned long dst_base,
-	    unsigned long dst_pitch,
-	    unsigned long dst_BPP,
-	    unsigned long dst_X,
-	    unsigned long dst_Y,
-	    unsigned long dst_width,
-	    unsigned long dst_height,
-	    unsigned long src_base,
-	    unsigned long src_pitch,
-	    unsigned long src_X,
-	    unsigned long src_Y, pTransparent pTransp, unsigned char nROP2)
-{
-	unsigned long nDirection = 0;
-	unsigned long nTransparent = 0;
-	/* Direction of ROP2 operation:
-	 * 1 = Left to Right,
-	 * (-1) = Right to Left
-	 */
-	unsigned long opSign = 1;
-	/* xWidth is in pixels */
-	unsigned long xWidth = 192 / (dst_BPP / 8);
-	unsigned long de_ctrl = 0;
-
-	deWaitForNotBusy();
-
-	SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE,
-			FIELD_VALUE(0, DE_WINDOW_DESTINATION_BASE, ADDRESS,
-				    dst_base));
-
-	SMTC_write2Dreg(DE_WINDOW_SOURCE_BASE,
-			FIELD_VALUE(0, DE_WINDOW_SOURCE_BASE, ADDRESS,
-				    src_base));
-
-	if (dst_pitch && src_pitch) {
-		SMTC_write2Dreg(DE_PITCH,
-			FIELD_VALUE(0, DE_PITCH, DESTINATION,
-				    dst_pitch) | FIELD_VALUE(0,
-						     DE_PITCH,
-						     SOURCE,
-						     src_pitch));
-
-		SMTC_write2Dreg(DE_WINDOW_WIDTH,
-			FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION,
-				    dst_pitch) | FIELD_VALUE(0,
-						     DE_WINDOW_WIDTH,
-						     SOURCE,
-						     src_pitch));
-	}
-
-	/* Set transparent bits if necessary */
-	if (pTransp != NULL) {
-		nTransparent =
-		    pTransp->match | pTransp->select | pTransp->control;
-
-		/* Set color compare register */
-		SMTC_write2Dreg(DE_COLOR_COMPARE,
-				FIELD_VALUE(0, DE_COLOR_COMPARE, COLOR,
-					    pTransp->color));
-	}
-
-	/* Determine direction of operation */
-	if (src_Y < dst_Y) {
-		/* +----------+
-		   |S         |
-		   |          +----------+
-		   |          |      |   |
-		   |          |      |   |
-		   +---|------+      |
-		   |               D |
-		   +----------+ */
-
-		nDirection = BOTTOM_TO_TOP;
-	} else if (src_Y > dst_Y) {
-		/* +----------+
-		   |D         |
-		   |          +----------+
-		   |          |      |   |
-		   |          |      |   |
-		   +---|------+      |
-		   |               S |
-		   +----------+ */
-
-		nDirection = TOP_TO_BOTTOM;
-	} else {
-		/* src_Y == dst_Y */
-
-		if (src_X <= dst_X) {
-			/* +------+---+------+
-			   |S     |   |     D|
-			   |      |   |      |
-			   |      |   |      |
-			   |      |   |      |
-			   +------+---+------+ */
-
-			nDirection = RIGHT_TO_LEFT;
-		} else {
-			/* src_X > dst_X */
-
-			/* +------+---+------+
-			   |D     |   |     S|
-			   |      |   |      |
-			   |      |   |      |
-			   |      |   |      |
-			   +------+---+------+ */
-
-			nDirection = LEFT_TO_RIGHT;
-		}
-	}
-
-	if ((nDirection == BOTTOM_TO_TOP) || (nDirection == RIGHT_TO_LEFT)) {
-		src_X += dst_width - 1;
-		src_Y += dst_height - 1;
-		dst_X += dst_width - 1;
-		dst_Y += dst_height - 1;
-		opSign = (-1);
-	}
-
-	if (dst_BPP >= 24) {
-		src_X *= 3;
-		src_Y *= 3;
-		dst_X *= 3;
-		dst_Y *= 3;
-		dst_width *= 3;
-		if ((nDirection == BOTTOM_TO_TOP)
-		    || (nDirection == RIGHT_TO_LEFT)) {
-			src_X += 2;
-			dst_X += 2;
-		}
-	}
-
-	/* Workaround for 192 byte hw bug */
-	if ((nROP2 != 0x0C) && ((dst_width * (dst_BPP / 8)) >= 192)) {
-		/*
-		 * Perform the ROP2 operation in chunks of (xWidth *
-		 * dst_height)
-		 */
-		while (1) {
-			deWaitForNotBusy();
-
-			SMTC_write2Dreg(DE_SOURCE,
-				FIELD_SET(0, DE_SOURCE, WRAP, DISABLE) |
-				FIELD_VALUE(0, DE_SOURCE, X_K1, src_X) |
-				FIELD_VALUE(0, DE_SOURCE, Y_K2, src_Y));
-
-			SMTC_write2Dreg(DE_DESTINATION,
-				FIELD_SET(0, DE_DESTINATION, WRAP,
-				  DISABLE) | FIELD_VALUE(0,
-							 DE_DESTINATION,
-							 X,
-							 dst_X)
-			| FIELD_VALUE(0, DE_DESTINATION, Y,
-						      dst_Y));
-
-			SMTC_write2Dreg(DE_DIMENSION,
-				FIELD_VALUE(0, DE_DIMENSION, X,
-				    xWidth) | FIELD_VALUE(0,
-							  DE_DIMENSION,
-							  Y_ET,
-							  dst_height));
-
-			de_ctrl =
-			    FIELD_VALUE(0, DE_CONTROL, ROP,
-				nROP2) | nTransparent | FIELD_SET(0,
-							  DE_CONTROL,
-							  ROP_SELECT,
-							  ROP2)
-			    | FIELD_SET(0, DE_CONTROL, COMMAND,
-				BITBLT) | ((nDirection ==
-					    1) ? FIELD_SET(0,
-						   DE_CONTROL,
-						   DIRECTION,
-						   RIGHT_TO_LEFT)
-					   : FIELD_SET(0, DE_CONTROL,
-					       DIRECTION,
-					       LEFT_TO_RIGHT)) |
-			    FIELD_SET(0, DE_CONTROL, STATUS, START);
-
-			SMTC_write2Dreg(DE_CONTROL, de_ctrl);
-
-			src_X += (opSign * xWidth);
-			dst_X += (opSign * xWidth);
-			dst_width -= xWidth;
-
-			if (dst_width <= 0) {
-				/* ROP2 operation is complete */
-				break;
-			}
-
-			if (xWidth > dst_width)
-				xWidth = dst_width;
-		}
-	} else {
-		deWaitForNotBusy();
-		SMTC_write2Dreg(DE_SOURCE,
-			FIELD_SET(0, DE_SOURCE, WRAP, DISABLE) |
-			FIELD_VALUE(0, DE_SOURCE, X_K1, src_X) |
-			FIELD_VALUE(0, DE_SOURCE, Y_K2, src_Y));
-
-		SMTC_write2Dreg(DE_DESTINATION,
-			FIELD_SET(0, DE_DESTINATION, WRAP, DISABLE) |
-			FIELD_VALUE(0, DE_DESTINATION, X, dst_X) |
-			FIELD_VALUE(0, DE_DESTINATION, Y, dst_Y));
-
-		SMTC_write2Dreg(DE_DIMENSION,
-			FIELD_VALUE(0, DE_DIMENSION, X, dst_width) |
-			FIELD_VALUE(0, DE_DIMENSION, Y_ET, dst_height));
-
-		de_ctrl = FIELD_VALUE(0, DE_CONTROL, ROP, nROP2) |
-		    nTransparent |
-		    FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) |
-		    FIELD_SET(0, DE_CONTROL, COMMAND, BITBLT) |
-		    ((nDirection == 1) ? FIELD_SET(0, DE_CONTROL, DIRECTION,
-						   RIGHT_TO_LEFT)
-		     : FIELD_SET(0, DE_CONTROL, DIRECTION,
-				 LEFT_TO_RIGHT)) | FIELD_SET(0, DE_CONTROL,
-							     STATUS, START);
-		SMTC_write2Dreg(DE_CONTROL, de_ctrl);
-	}
-
-	smtc_de_busy = 1;
-}
-
-/*
- * This function sets the pixel format that will apply to the 2D Engine.
- */
-void deSetPixelFormat(unsigned long bpp)
-{
-	unsigned long de_format;
-
-	de_format = SMTC_read2Dreg(DE_STRETCH_FORMAT);
-
-	switch (bpp) {
-	case 8:
-		de_format =
-		    FIELD_SET(de_format, DE_STRETCH_FORMAT, PIXEL_FORMAT, 8);
-		break;
-	default:
-	case 16:
-		de_format =
-		    FIELD_SET(de_format, DE_STRETCH_FORMAT, PIXEL_FORMAT, 16);
-		break;
-	case 32:
-		de_format =
-		    FIELD_SET(de_format, DE_STRETCH_FORMAT, PIXEL_FORMAT, 32);
-		break;
-	}
-
-	SMTC_write2Dreg(DE_STRETCH_FORMAT, de_format);
-}
-
-/*
- * System memory to Video memory monochrome expansion.
- *
- * Source is monochrome image in system memory.  This function expands the
- * monochrome data to color image in video memory.
- */
-
-long deSystemMem2VideoMemMonoBlt(const char *pSrcbuf,
-				 long srcDelta,
-				 unsigned long startBit,
-				 unsigned long dBase,
-				 unsigned long dPitch,
-				 unsigned long bpp,
-				 unsigned long dx, unsigned long dy,
-				 unsigned long width, unsigned long height,
-				 unsigned long fColor,
-				 unsigned long bColor,
-				 unsigned long rop2) {
-	unsigned long bytePerPixel;
-	unsigned long ulBytesPerScan;
-	unsigned long ul4BytesPerScan;
-	unsigned long ulBytesRemain;
-	unsigned long de_ctrl = 0;
-	unsigned char ajRemain[4];
-	long i, j;
-
-	bytePerPixel = bpp / 8;
-
-	/* Just make sure the start bit is within legal range */
-	startBit &= 7;
-
-	ulBytesPerScan = (width + startBit + 7) / 8;
-	ul4BytesPerScan = ulBytesPerScan & ~3;
-	ulBytesRemain = ulBytesPerScan & 3;
-
-	if (smtc_de_busy)
-		deWaitForNotBusy();
-
-	/*
-	 * 2D Source Base.  Use 0 for HOST Blt.
-	 */
-
-	SMTC_write2Dreg(DE_WINDOW_SOURCE_BASE, 0);
-
-	/*
-	 * 2D Destination Base.
-	 *
-	 * It is an address offset (128 bit aligned) from the beginning of
-	 * frame buffer.
-	 */
-
-	SMTC_write2Dreg(DE_WINDOW_DESTINATION_BASE, dBase);
-
-	if (dPitch) {
-
-		/*
-		 * Program pitch (distance between the 1st points of two
-		 * adjacent lines).
-		 *
-		 * Note that input pitch is BYTE value, but the 2D Pitch
-		 * register uses pixel values. Need Byte to pixel convertion.
-		 */
-
-		SMTC_write2Dreg(DE_PITCH,
-			FIELD_VALUE(0, DE_PITCH, DESTINATION,
-			    dPitch /
-			    bytePerPixel) | FIELD_VALUE(0,
-							DE_PITCH,
-							SOURCE,
-							dPitch /
-							bytePerPixel));
-
-		/* Screen Window width in Pixels.
-		 *
-		 * 2D engine uses this value to calculate the linear address in
-		 * frame buffer for a given point.
-		 */
-
-		SMTC_write2Dreg(DE_WINDOW_WIDTH,
-			FIELD_VALUE(0, DE_WINDOW_WIDTH, DESTINATION,
-			    (dPitch /
-			     bytePerPixel)) | FIELD_VALUE(0,
-							  DE_WINDOW_WIDTH,
-							  SOURCE,
-							  (dPitch
-							   /
-							   bytePerPixel)));
-	}
-	/* Note: For 2D Source in Host Write, only X_K1 field is needed, and
-	 * Y_K2 field is not used. For mono bitmap, use startBit for X_K1.
-	 */
-
-	SMTC_write2Dreg(DE_SOURCE,
-			FIELD_SET(0, DE_SOURCE, WRAP, DISABLE) |
-			FIELD_VALUE(0, DE_SOURCE, X_K1, startBit) |
-			FIELD_VALUE(0, DE_SOURCE, Y_K2, 0));
-
-	SMTC_write2Dreg(DE_DESTINATION,
-			FIELD_SET(0, DE_DESTINATION, WRAP, DISABLE) |
-			FIELD_VALUE(0, DE_DESTINATION, X, dx) |
-			FIELD_VALUE(0, DE_DESTINATION, Y, dy));
-
-	SMTC_write2Dreg(DE_DIMENSION,
-			FIELD_VALUE(0, DE_DIMENSION, X, width) |
-			FIELD_VALUE(0, DE_DIMENSION, Y_ET, height));
-
-	SMTC_write2Dreg(DE_FOREGROUND, fColor);
-	SMTC_write2Dreg(DE_BACKGROUND, bColor);
-
-	if (bpp)
-		deSetPixelFormat(bpp);
-	/* Set the pixel format of the destination */
-
-	de_ctrl = FIELD_VALUE(0, DE_CONTROL, ROP, rop2) |
-	    FIELD_SET(0, DE_CONTROL, ROP_SELECT, ROP2) |
-	    FIELD_SET(0, DE_CONTROL, COMMAND, HOST_WRITE) |
-	    FIELD_SET(0, DE_CONTROL, HOST, MONO) |
-	    FIELD_SET(0, DE_CONTROL, STATUS, START);
-
-	SMTC_write2Dreg(DE_CONTROL, de_ctrl | deGetTransparency());
-
-	/* Write MONO data (line by line) to 2D Engine data port */
-	for (i = 0; i < height; i++) {
-		/* For each line, send the data in chunks of 4 bytes */
-		for (j = 0; j < (ul4BytesPerScan / 4); j++)
-			SMTC_write2Ddataport(0,
-					     *(unsigned long *)(pSrcbuf +
-								(j * 4)));
-
-		if (ulBytesRemain) {
-			memcpy(ajRemain, pSrcbuf + ul4BytesPerScan,
-			       ulBytesRemain);
-			SMTC_write2Ddataport(0, *(unsigned long *)ajRemain);
-		}
-
-		pSrcbuf += srcDelta;
-	}
-	smtc_de_busy = 1;
-
-	return 0;
-}
-
-/*
- * This function gets the transparency status from DE_CONTROL register.
- * It returns a double word with the transparent fields properly set,
- * while other fields are 0.
- */
-unsigned long deGetTransparency(void)
-{
-	unsigned long de_ctrl;
-
-	de_ctrl = SMTC_read2Dreg(DE_CONTROL);
-
-	de_ctrl &=
-	    FIELD_MASK(DE_CONTROL_TRANSPARENCY_MATCH) |
-	    FIELD_MASK(DE_CONTROL_TRANSPARENCY_SELECT) |
-	    FIELD_MASK(DE_CONTROL_TRANSPARENCY);
-
-	return de_ctrl;
-}
diff --git a/drivers/staging/sm7xx/smtc2d.h b/drivers/staging/sm7xx/smtc2d.h
deleted file mode 100644
index 02b4fa29136c..000000000000
--- a/drivers/staging/sm7xx/smtc2d.h
+++ /dev/null
@@ -1,530 +0,0 @@
-/*
- * Silicon Motion SM712 2D drawing engine functions.
- *
- * Copyright (C) 2006 Silicon Motion Technology Corp.
- * Author: Ge Wang, gewang@siliconmotion.com
- *
- * Copyright (C) 2009 Lemote, Inc.
- * Author: Wu Zhangjin, wuzhangjin@gmail.com
- *
- *  This file is subject to the terms and conditions of the GNU General Public
- *  License. See the file COPYING in the main directory of this archive for
- *  more details.
- */
-
-#ifndef NULL
-#define NULL	 0
-#endif
-
-/* Internal macros */
-
-#define _F_START(f)		(0 ? f)
-#define _F_END(f)		(1 ? f)
-#define _F_SIZE(f)		(1 + _F_END(f) - _F_START(f))
-#define _F_MASK(f)		(((1ULL << _F_SIZE(f)) - 1) << _F_START(f))
-#define _F_NORMALIZE(v, f)	(((v) & _F_MASK(f)) >> _F_START(f))
-#define _F_DENORMALIZE(v, f)	(((v) << _F_START(f)) & _F_MASK(f))
-
-/* Global macros */
-
-#define FIELD_GET(x, reg, field) \
-( \
-    _F_NORMALIZE((x), reg ## _ ## field) \
-)
-
-#define FIELD_SET(x, reg, field, value) \
-( \
-    (x & ~_F_MASK(reg ## _ ## field)) \
-    | _F_DENORMALIZE(reg ## _ ## field ## _ ## value, reg ## _ ## field) \
-)
-
-#define FIELD_VALUE(x, reg, field, value) \
-( \
-    (x & ~_F_MASK(reg ## _ ## field)) \
-    | _F_DENORMALIZE(value, reg ## _ ## field) \
-)
-
-#define FIELD_CLEAR(reg, field) \
-( \
-    ~_F_MASK(reg ## _ ## field) \
-)
-
-/* Field Macros                        */
-
-#define FIELD_START(field)	(0 ? field)
-#define FIELD_END(field)	(1 ? field)
-#define FIELD_SIZE(field) \
-	(1 + FIELD_END(field) - FIELD_START(field))
-
-#define FIELD_MASK(field) \
-	(((1 << (FIELD_SIZE(field)-1)) \
-	| ((1 << (FIELD_SIZE(field)-1)) - 1)) \
-	<< FIELD_START(field))
-
-#define FIELD_NORMALIZE(reg, field) \
-	(((reg) & FIELD_MASK(field)) >> FIELD_START(field))
-
-#define FIELD_DENORMALIZE(field, value) \
-	(((value) << FIELD_START(field)) & FIELD_MASK(field))
-
-#define FIELD_INIT(reg, field, value) \
-	FIELD_DENORMALIZE(reg ## _ ## field, \
-		reg ## _ ## field ## _ ## value)
-
-#define FIELD_INIT_VAL(reg, field, value) \
-	(FIELD_DENORMALIZE(reg ## _ ## field, value))
-
-#define FIELD_VAL_SET(x, r, f, v) ({ \
-	x = (x & ~FIELD_MASK(r ## _ ## f)) \
-	| FIELD_DENORMALIZE(r ## _ ## f, r ## _ ## f ## _ ## v) \
-})
-
-#define RGB(r, g, b)	((unsigned long)(((r) << 16) | ((g) << 8) | (b)))
-
-/* Transparent info definition */
-typedef struct {
-	unsigned long match;	/* Matching pixel is OPAQUE/TRANSPARENT */
-	unsigned long select;	/* Transparency controlled by SRC/DST */
-	unsigned long control;	/* ENABLE/DISABLE transparency */
-	unsigned long color;	/* Transparent color */
-} Transparent, *pTransparent;
-
-#define PIXEL_DEPTH_1_BP	0	/* 1 bit per pixel */
-#define PIXEL_DEPTH_8_BPP	1	/* 8 bits per pixel */
-#define PIXEL_DEPTH_16_BPP	2	/* 16 bits per pixel */
-#define PIXEL_DEPTH_32_BPP	3	/* 32 bits per pixel */
-#define PIXEL_DEPTH_YUV422	8	/* 16 bits per pixel YUV422 */
-#define PIXEL_DEPTH_YUV420	9	/* 16 bits per pixel YUV420 */
-
-#define PATTERN_WIDTH		8
-#define PATTERN_HEIGHT		8
-
-#define	TOP_TO_BOTTOM		0
-#define	BOTTOM_TO_TOP		1
-#define RIGHT_TO_LEFT		BOTTOM_TO_TOP
-#define LEFT_TO_RIGHT		TOP_TO_BOTTOM
-
-/* Constants used in Transparent structure */
-#define MATCH_OPAQUE		0x00000000
-#define MATCH_TRANSPARENT	0x00000400
-#define SOURCE			0x00000000
-#define DESTINATION		0x00000200
-
-/* 2D registers. */
-
-#define	DE_SOURCE			0x000000
-#define	DE_SOURCE_WRAP			31 : 31
-#define	DE_SOURCE_WRAP_DISABLE		0
-#define	DE_SOURCE_WRAP_ENABLE		1
-#define	DE_SOURCE_X_K1			29 : 16
-#define	DE_SOURCE_Y_K2			15 : 0
-
-#define	DE_DESTINATION			0x000004
-#define	DE_DESTINATION_WRAP		31 : 31
-#define	DE_DESTINATION_WRAP_DISABLE	0
-#define	DE_DESTINATION_WRAP_ENABLE	1
-#define	DE_DESTINATION_X		28 : 16
-#define	DE_DESTINATION_Y		15 : 0
-
-#define	DE_DIMENSION			0x000008
-#define	DE_DIMENSION_X			28 : 16
-#define	DE_DIMENSION_Y_ET		15 : 0
-
-#define	DE_CONTROL			0x00000C
-#define	DE_CONTROL_STATUS		31 : 31
-#define	DE_CONTROL_STATUS_STOP		0
-#define	DE_CONTROL_STATUS_START		1
-#define	DE_CONTROL_PATTERN		30 : 30
-#define	DE_CONTROL_PATTERN_MONO		0
-#define	DE_CONTROL_PATTERN_COLOR	1
-#define	DE_CONTROL_UPDATE_DESTINATION_X		29 : 29
-#define	DE_CONTROL_UPDATE_DESTINATION_X_DISABLE	0
-#define	DE_CONTROL_UPDATE_DESTINATION_X_ENABLE	1
-#define	DE_CONTROL_QUICK_START			28 : 28
-#define	DE_CONTROL_QUICK_START_DISABLE		0
-#define	DE_CONTROL_QUICK_START_ENABLE		1
-#define	DE_CONTROL_DIRECTION			27 : 27
-#define	DE_CONTROL_DIRECTION_LEFT_TO_RIGHT	0
-#define	DE_CONTROL_DIRECTION_RIGHT_TO_LEFT	1
-#define	DE_CONTROL_MAJOR			26 : 26
-#define	DE_CONTROL_MAJOR_X			0
-#define	DE_CONTROL_MAJOR_Y			1
-#define	DE_CONTROL_STEP_X			25 : 25
-#define	DE_CONTROL_STEP_X_POSITIVE		1
-#define	DE_CONTROL_STEP_X_NEGATIVE		0
-#define	DE_CONTROL_STEP_Y			24 : 24
-#define	DE_CONTROL_STEP_Y_POSITIVE		1
-#define	DE_CONTROL_STEP_Y_NEGATIVE		0
-#define	DE_CONTROL_STRETCH			23 : 23
-#define	DE_CONTROL_STRETCH_DISABLE		0
-#define	DE_CONTROL_STRETCH_ENABLE		1
-#define	DE_CONTROL_HOST				22 : 22
-#define	DE_CONTROL_HOST_COLOR			0
-#define	DE_CONTROL_HOST_MONO			1
-#define	DE_CONTROL_LAST_PIXEL			21 : 21
-#define	DE_CONTROL_LAST_PIXEL_OFF		0
-#define	DE_CONTROL_LAST_PIXEL_ON		1
-#define	DE_CONTROL_COMMAND			20 : 16
-#define	DE_CONTROL_COMMAND_BITBLT		0
-#define	DE_CONTROL_COMMAND_RECTANGLE_FILL	1
-#define	DE_CONTROL_COMMAND_DE_TILE		2
-#define	DE_CONTROL_COMMAND_TRAPEZOID_FILL	3
-#define	DE_CONTROL_COMMAND_ALPHA_BLEND		4
-#define	DE_CONTROL_COMMAND_RLE_STRIP		5
-#define	DE_CONTROL_COMMAND_SHORT_STROKE		6
-#define	DE_CONTROL_COMMAND_LINE_DRAW		7
-#define	DE_CONTROL_COMMAND_HOST_WRITE		8
-#define	DE_CONTROL_COMMAND_HOST_READ		9
-#define	DE_CONTROL_COMMAND_HOST_WRITE_BOTTOM_UP	10
-#define	DE_CONTROL_COMMAND_ROTATE		11
-#define	DE_CONTROL_COMMAND_FONT			12
-#define	DE_CONTROL_COMMAND_TEXTURE_LOAD		15
-#define	DE_CONTROL_ROP_SELECT			15 : 15
-#define	DE_CONTROL_ROP_SELECT_ROP3		0
-#define	DE_CONTROL_ROP_SELECT_ROP2		1
-#define	DE_CONTROL_ROP2_SOURCE			14 : 14
-#define	DE_CONTROL_ROP2_SOURCE_BITMAP		0
-#define	DE_CONTROL_ROP2_SOURCE_PATTERN		1
-#define	DE_CONTROL_MONO_DATA			13 : 12
-#define	DE_CONTROL_MONO_DATA_NOT_PACKED		0
-#define	DE_CONTROL_MONO_DATA_8_PACKED		1
-#define	DE_CONTROL_MONO_DATA_16_PACKED		2
-#define	DE_CONTROL_MONO_DATA_32_PACKED		3
-#define	DE_CONTROL_REPEAT_ROTATE		11 : 11
-#define	DE_CONTROL_REPEAT_ROTATE_DISABLE	0
-#define	DE_CONTROL_REPEAT_ROTATE_ENABLE		1
-#define	DE_CONTROL_TRANSPARENCY_MATCH		10 : 10
-#define	DE_CONTROL_TRANSPARENCY_MATCH_OPAQUE		0
-#define	DE_CONTROL_TRANSPARENCY_MATCH_TRANSPARENT	1
-#define	DE_CONTROL_TRANSPARENCY_SELECT			9 : 9
-#define	DE_CONTROL_TRANSPARENCY_SELECT_SOURCE		0
-#define	DE_CONTROL_TRANSPARENCY_SELECT_DESTINATION	1
-#define	DE_CONTROL_TRANSPARENCY				8 : 8
-#define	DE_CONTROL_TRANSPARENCY_DISABLE			0
-#define	DE_CONTROL_TRANSPARENCY_ENABLE			1
-#define	DE_CONTROL_ROP					7 : 0
-
-/* Pseudo fields. */
-
-#define	DE_CONTROL_SHORT_STROKE_DIR			27 : 24
-#define	DE_CONTROL_SHORT_STROKE_DIR_225			0
-#define	DE_CONTROL_SHORT_STROKE_DIR_135			1
-#define	DE_CONTROL_SHORT_STROKE_DIR_315			2
-#define	DE_CONTROL_SHORT_STROKE_DIR_45			3
-#define	DE_CONTROL_SHORT_STROKE_DIR_270			4
-#define	DE_CONTROL_SHORT_STROKE_DIR_90			5
-#define	DE_CONTROL_SHORT_STROKE_DIR_180			8
-#define	DE_CONTROL_SHORT_STROKE_DIR_0			10
-#define	DE_CONTROL_ROTATION				25 : 24
-#define	DE_CONTROL_ROTATION_0				0
-#define	DE_CONTROL_ROTATION_270				1
-#define	DE_CONTROL_ROTATION_90				2
-#define	DE_CONTROL_ROTATION_180				3
-
-#define	DE_PITCH					0x000010
-#define	DE_PITCH_DESTINATION				28 : 16
-#define	DE_PITCH_SOURCE					12 : 0
-
-#define	DE_FOREGROUND					0x000014
-#define	DE_FOREGROUND_COLOR				31 : 0
-
-#define	DE_BACKGROUND					0x000018
-#define	DE_BACKGROUND_COLOR				31 : 0
-
-#define	DE_STRETCH_FORMAT				0x00001C
-#define	DE_STRETCH_FORMAT_PATTERN_XY			30 : 30
-#define	DE_STRETCH_FORMAT_PATTERN_XY_NORMAL		0
-#define	DE_STRETCH_FORMAT_PATTERN_XY_OVERWRITE		1
-#define	DE_STRETCH_FORMAT_PATTERN_Y			29 : 27
-#define	DE_STRETCH_FORMAT_PATTERN_X			25 : 23
-#define	DE_STRETCH_FORMAT_PIXEL_FORMAT			21 : 20
-#define	DE_STRETCH_FORMAT_PIXEL_FORMAT_8		0
-#define	DE_STRETCH_FORMAT_PIXEL_FORMAT_16		1
-#define	DE_STRETCH_FORMAT_PIXEL_FORMAT_24		3
-#define	DE_STRETCH_FORMAT_PIXEL_FORMAT_32		2
-#define	DE_STRETCH_FORMAT_ADDRESSING			19 : 16
-#define	DE_STRETCH_FORMAT_ADDRESSING_XY			0
-#define	DE_STRETCH_FORMAT_ADDRESSING_LINEAR		15
-#define	DE_STRETCH_FORMAT_SOURCE_HEIGHT			11 : 0
-
-#define	DE_COLOR_COMPARE				0x000020
-#define	DE_COLOR_COMPARE_COLOR				23 : 0
-
-#define	DE_COLOR_COMPARE_MASK				0x000024
-#define	DE_COLOR_COMPARE_MASK_MASKS			23 : 0
-
-#define	DE_MASKS					0x000028
-#define	DE_MASKS_BYTE_MASK				31 : 16
-#define	DE_MASKS_BIT_MASK				15 : 0
-
-#define	DE_CLIP_TL					0x00002C
-#define	DE_CLIP_TL_TOP					31 : 16
-#define	DE_CLIP_TL_STATUS				13 : 13
-#define	DE_CLIP_TL_STATUS_DISABLE			0
-#define	DE_CLIP_TL_STATUS_ENABLE			1
-#define	DE_CLIP_TL_INHIBIT				12 : 12
-#define	DE_CLIP_TL_INHIBIT_OUTSIDE			0
-#define	DE_CLIP_TL_INHIBIT_INSIDE			1
-#define	DE_CLIP_TL_LEFT					11 : 0
-
-#define	DE_CLIP_BR					0x000030
-#define	DE_CLIP_BR_BOTTOM				31 : 16
-#define	DE_CLIP_BR_RIGHT				12 : 0
-
-#define	DE_MONO_PATTERN_LOW				0x000034
-#define	DE_MONO_PATTERN_LOW_PATTERN			31 : 0
-
-#define	DE_MONO_PATTERN_HIGH				0x000038
-#define	DE_MONO_PATTERN_HIGH_PATTERN			31 : 0
-
-#define	DE_WINDOW_WIDTH					0x00003C
-#define	DE_WINDOW_WIDTH_DESTINATION			28 : 16
-#define	DE_WINDOW_WIDTH_SOURCE				12 : 0
-
-#define	DE_WINDOW_SOURCE_BASE				0x000040
-#define	DE_WINDOW_SOURCE_BASE_EXT			27 : 27
-#define	DE_WINDOW_SOURCE_BASE_EXT_LOCAL			0
-#define	DE_WINDOW_SOURCE_BASE_EXT_EXTERNAL		1
-#define	DE_WINDOW_SOURCE_BASE_CS			26 : 26
-#define	DE_WINDOW_SOURCE_BASE_CS_0			0
-#define	DE_WINDOW_SOURCE_BASE_CS_1			1
-#define	DE_WINDOW_SOURCE_BASE_ADDRESS			25 : 0
-
-#define	DE_WINDOW_DESTINATION_BASE			0x000044
-#define	DE_WINDOW_DESTINATION_BASE_EXT			27 : 27
-#define	DE_WINDOW_DESTINATION_BASE_EXT_LOCAL		0
-#define	DE_WINDOW_DESTINATION_BASE_EXT_EXTERNAL		1
-#define	DE_WINDOW_DESTINATION_BASE_CS			26 : 26
-#define	DE_WINDOW_DESTINATION_BASE_CS_0			0
-#define	DE_WINDOW_DESTINATION_BASE_CS_1			1
-#define	DE_WINDOW_DESTINATION_BASE_ADDRESS		25 : 0
-
-#define	DE_ALPHA					0x000048
-#define	DE_ALPHA_VALUE					7 : 0
-
-#define	DE_WRAP						0x00004C
-#define	DE_WRAP_X					31 : 16
-#define	DE_WRAP_Y					15 : 0
-
-#define	DE_STATUS					0x000050
-#define	DE_STATUS_CSC					1 : 1
-#define	DE_STATUS_CSC_CLEAR				0
-#define	DE_STATUS_CSC_NOT_ACTIVE			0
-#define	DE_STATUS_CSC_ACTIVE				1
-#define	DE_STATUS_2D					0 : 0
-#define	DE_STATUS_2D_CLEAR				0
-#define	DE_STATUS_2D_NOT_ACTIVE				0
-#define	DE_STATUS_2D_ACTIVE				1
-
-/* Color Space Conversion registers. */
-
-#define	CSC_Y_SOURCE_BASE				0x0000C8
-#define	CSC_Y_SOURCE_BASE_EXT				27 : 27
-#define	CSC_Y_SOURCE_BASE_EXT_LOCAL			0
-#define	CSC_Y_SOURCE_BASE_EXT_EXTERNAL			1
-#define	CSC_Y_SOURCE_BASE_CS				26 : 26
-#define	CSC_Y_SOURCE_BASE_CS_0				0
-#define	CSC_Y_SOURCE_BASE_CS_1				1
-#define	CSC_Y_SOURCE_BASE_ADDRESS			25 : 0
-
-#define	CSC_CONSTANTS					0x0000CC
-#define	CSC_CONSTANTS_Y					31 : 24
-#define	CSC_CONSTANTS_R					23 : 16
-#define	CSC_CONSTANTS_G					15 : 8
-#define	CSC_CONSTANTS_B					7 : 0
-
-#define	CSC_Y_SOURCE_X					0x0000D0
-#define	CSC_Y_SOURCE_X_INTEGER				26 : 16
-#define	CSC_Y_SOURCE_X_FRACTION				15 : 3
-
-#define	CSC_Y_SOURCE_Y					0x0000D4
-#define	CSC_Y_SOURCE_Y_INTEGER				27 : 16
-#define	CSC_Y_SOURCE_Y_FRACTION				15 : 3
-
-#define	CSC_U_SOURCE_BASE				0x0000D8
-#define	CSC_U_SOURCE_BASE_EXT				27 : 27
-#define	CSC_U_SOURCE_BASE_EXT_LOCAL			0
-#define	CSC_U_SOURCE_BASE_EXT_EXTERNAL			1
-#define	CSC_U_SOURCE_BASE_CS				26 : 26
-#define	CSC_U_SOURCE_BASE_CS_0				0
-#define	CSC_U_SOURCE_BASE_CS_1				1
-#define	CSC_U_SOURCE_BASE_ADDRESS			25 : 0
-
-#define	CSC_V_SOURCE_BASE				0x0000DC
-#define	CSC_V_SOURCE_BASE_EXT				27 : 27
-#define	CSC_V_SOURCE_BASE_EXT_LOCAL			0
-#define	CSC_V_SOURCE_BASE_EXT_EXTERNAL			1
-#define	CSC_V_SOURCE_BASE_CS				26 : 26
-#define	CSC_V_SOURCE_BASE_CS_0				0
-#define	CSC_V_SOURCE_BASE_CS_1				1
-#define	CSC_V_SOURCE_BASE_ADDRESS			25 : 0
-
-#define	CSC_SOURCE_DIMENSION				0x0000E0
-#define	CSC_SOURCE_DIMENSION_X				31 : 16
-#define	CSC_SOURCE_DIMENSION_Y				15 : 0
-
-#define	CSC_SOURCE_PITCH				0x0000E4
-#define	CSC_SOURCE_PITCH_Y				31 : 16
-#define	CSC_SOURCE_PITCH_UV				15 : 0
-
-#define	CSC_DESTINATION					0x0000E8
-#define	CSC_DESTINATION_WRAP				31 : 31
-#define	CSC_DESTINATION_WRAP_DISABLE			0
-#define	CSC_DESTINATION_WRAP_ENABLE			1
-#define	CSC_DESTINATION_X				27 : 16
-#define	CSC_DESTINATION_Y				11 : 0
-
-#define	CSC_DESTINATION_DIMENSION			0x0000EC
-#define	CSC_DESTINATION_DIMENSION_X			31 : 16
-#define	CSC_DESTINATION_DIMENSION_Y			15 : 0
-
-#define	CSC_DESTINATION_PITCH				0x0000F0
-#define	CSC_DESTINATION_PITCH_X				31 : 16
-#define	CSC_DESTINATION_PITCH_Y				15 : 0
-
-#define	CSC_SCALE_FACTOR				0x0000F4
-#define	CSC_SCALE_FACTOR_HORIZONTAL			31 : 16
-#define	CSC_SCALE_FACTOR_VERTICAL			15 : 0
-
-#define	CSC_DESTINATION_BASE				0x0000F8
-#define	CSC_DESTINATION_BASE_EXT			27 : 27
-#define	CSC_DESTINATION_BASE_EXT_LOCAL			0
-#define	CSC_DESTINATION_BASE_EXT_EXTERNAL		1
-#define	CSC_DESTINATION_BASE_CS				26 : 26
-#define	CSC_DESTINATION_BASE_CS_0			0
-#define	CSC_DESTINATION_BASE_CS_1			1
-#define	CSC_DESTINATION_BASE_ADDRESS			25 : 0
-
-#define	CSC_CONTROL					0x0000FC
-#define	CSC_CONTROL_STATUS				31 : 31
-#define	CSC_CONTROL_STATUS_STOP				0
-#define	CSC_CONTROL_STATUS_START			1
-#define	CSC_CONTROL_SOURCE_FORMAT			30 : 28
-#define	CSC_CONTROL_SOURCE_FORMAT_YUV422		0
-#define	CSC_CONTROL_SOURCE_FORMAT_YUV420I		1
-#define	CSC_CONTROL_SOURCE_FORMAT_YUV420		2
-#define	CSC_CONTROL_SOURCE_FORMAT_YVU9			3
-#define	CSC_CONTROL_SOURCE_FORMAT_IYU1			4
-#define	CSC_CONTROL_SOURCE_FORMAT_IYU2			5
-#define	CSC_CONTROL_SOURCE_FORMAT_RGB565		6
-#define	CSC_CONTROL_SOURCE_FORMAT_RGB8888		7
-#define	CSC_CONTROL_DESTINATION_FORMAT			27 : 26
-#define	CSC_CONTROL_DESTINATION_FORMAT_RGB565		0
-#define	CSC_CONTROL_DESTINATION_FORMAT_RGB8888		1
-#define	CSC_CONTROL_HORIZONTAL_FILTER			25 : 25
-#define	CSC_CONTROL_HORIZONTAL_FILTER_DISABLE		0
-#define	CSC_CONTROL_HORIZONTAL_FILTER_ENABLE		1
-#define	CSC_CONTROL_VERTICAL_FILTER			24 : 24
-#define	CSC_CONTROL_VERTICAL_FILTER_DISABLE		0
-#define	CSC_CONTROL_VERTICAL_FILTER_ENABLE		1
-#define	CSC_CONTROL_BYTE_ORDER				23 : 23
-#define	CSC_CONTROL_BYTE_ORDER_YUYV			0
-#define	CSC_CONTROL_BYTE_ORDER_UYVY			1
-
-#define	DE_DATA_PORT_501				0x110000
-#define	DE_DATA_PORT_712				0x400000
-#define	DE_DATA_PORT_722				0x6000
-
-/* point to virtual Memory Map IO starting address */
-extern char *smtc_RegBaseAddress;
-/* point to virtual video memory starting address */
-extern char *smtc_VRAMBaseAddress;
-extern unsigned char smtc_de_busy;
-
-extern unsigned long memRead32(unsigned long nOffset);
-extern void memWrite32(unsigned long nOffset, unsigned long nData);
-extern unsigned long SMTC_read2Dreg(unsigned long nOffset);
-
-/* 2D functions */
-extern void deInit(unsigned int nModeWidth, unsigned int nModeHeight,
-		   unsigned int bpp);
-
-extern void deWaitForNotBusy(void);
-
-extern void deVerticalLine(unsigned long dst_base,
-	unsigned long dst_pitch,
-	unsigned long nX,
-	unsigned long nY,
-	unsigned long dst_height,
-	unsigned long nColor);
-
-extern void deHorizontalLine(unsigned long dst_base,
-	unsigned long dst_pitch,
-	unsigned long nX,
-	unsigned long nY,
-	unsigned long dst_width,
-	unsigned long nColor);
-
-extern void deLine(unsigned long dst_base,
-	unsigned long dst_pitch,
-	unsigned long nX1,
-	unsigned long nY1,
-	unsigned long nX2,
-	unsigned long nY2,
-	unsigned long nColor);
-
-extern void deFillRect(unsigned long dst_base,
-	unsigned long dst_pitch,
-	unsigned long dst_X,
-	unsigned long dst_Y,
-	unsigned long dst_width,
-	unsigned long dst_height,
-	unsigned long nColor);
-
-extern void deRotatePattern(unsigned char *pattern_dstaddr,
-	unsigned long pattern_src_addr,
-	unsigned long pattern_BPP,
-	unsigned long pattern_stride,
-	int	patternX,
-	int	patternY);
-
-extern void deCopy(unsigned long dst_base,
-	unsigned long dst_pitch,
-	unsigned long dst_BPP,
-	unsigned long dst_X,
-	unsigned long dst_Y,
-	unsigned long dst_width,
-	unsigned long dst_height,
-	unsigned long src_base,
-	unsigned long src_pitch,
-	unsigned long src_X,
-	unsigned long src_Y,
-	pTransparent	pTransp,
-	unsigned char nROP2);
-
-/*
- * System memory to Video memory monochrome expansion.
- *
- * Source is monochrome image in system memory.  This function expands the
- * monochrome data to color image in video memory.
- *
- * @pSrcbuf: pointer to start of source buffer in system memory
- * @srcDelta: Pitch value (in bytes) of the source buffer, +ive means top
- * 		down and -ive mean button up
- * @startBit: Mono data can start at any bit in a byte, this value should
- * 		be 0 to 7
- * @dBase: Address of destination :  offset in frame buffer
- * @dPitch: Pitch value of destination surface in BYTE
- * @bpp: Color depth of destination surface
- * @dx, dy: Starting coordinate of destination surface
- * @width, height: width and height of rectange in pixel value
- * @fColor,bColor: Foreground, Background color (corresponding to a 1, 0 in
- * 	the monochrome data)
- * @rop2: ROP value
- */
-
-extern long deSystemMem2VideoMemMonoBlt(
-	const char *pSrcbuf,
-	long srcDelta,
-	unsigned long startBit,
-	unsigned long dBase,
-	unsigned long dPitch,
-	unsigned long bpp,
-	unsigned long dx, unsigned long dy,
-	unsigned long width, unsigned long height,
-	unsigned long fColor,
-	unsigned long bColor,
-	unsigned long rop2);
-
-extern unsigned long deGetTransparency(void);
-extern void deSetPixelFormat(unsigned long bpp);
diff --git a/drivers/staging/sm7xx/smtcfb.c b/drivers/staging/sm7xx/smtcfb.c
index a4f6f49aef48..9c82a1a81ccc 100644
--- a/drivers/staging/sm7xx/smtcfb.c
+++ b/drivers/staging/sm7xx/smtcfb.c
@@ -45,7 +45,6 @@
 struct screen_info smtc_screen_info;
 
 #include "smtcfb.h"
-#include "smtc2d.h"
 
 #ifdef DEBUG
 #define smdbg(format, arg...)	printk(KERN_DEBUG format , ## arg)
@@ -120,10 +119,6 @@ static struct vesa_mode_table vesa_mode[] = {
 char __iomem *smtc_RegBaseAddress;	/* Memory Map IO starting address */
 char __iomem *smtc_VRAMBaseAddress;	/* video memory starting address */
 
-char *smtc_2DBaseAddress;	/* 2D engine starting address */
-char *smtc_2Ddataport;		/* 2D data port offset */
-short smtc_2Dacceleration;
-
 static u32 colreg[17];
 static struct par_info hw;	/* hardware information */
 
@@ -135,16 +130,6 @@ u16 smtc_ChipIDs[] = {
 
 #define numSMTCchipIDs (sizeof(smtc_ChipIDs) / sizeof(u16))
 
-void deWaitForNotBusy(void)
-{
-	unsigned long i = 0x1000000;
-	while (i--) {
-		if ((smtc_seqr(0x16) & 0x18) == 0x10)
-			break;
-	}
-	smtc_de_busy = 0;
-}
-
 static void sm712_set_timing(struct smtcfb_info *sfb,
 			     struct par_info *ppar_info)
 {
@@ -324,7 +309,7 @@ static inline unsigned int chan_to_field(unsigned int chan,
 	return chan << bf->offset;
 }
 
-static int smtcfb_blank(int blank_mode, struct fb_info *info)
+static int cfb_blank(int blank_mode, struct fb_info *info)
 {
 	/* clear DPMS setting */
 	switch (blank_mode) {
@@ -622,93 +607,13 @@ smtcfb_write(struct fb_info *info, const char __user *buf, size_t count,
 }
 #endif	/* ! __BIG_ENDIAN */
 
-#include "smtc2d.c"
-
-void smtcfb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
-{
-	struct par_info *p = (struct par_info *)info->par;
-
-	if (smtc_2Dacceleration) {
-		if (!area->width || !area->height)
-			return;
-
-		deCopy(p->BaseAddressInVRAM, 0, info->var.bits_per_pixel,
-		       area->dx, area->dy, area->width, area->height,
-		       p->BaseAddressInVRAM, 0, area->sx, area->sy, 0, 0xC);
-
-	} else
-		cfb_copyarea(info, area);
-}
-
-void smtcfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
-{
-	struct par_info *p = (struct par_info *)info->par;
-
-	if (smtc_2Dacceleration) {
-		if (!rect->width || !rect->height)
-			return;
-		if (info->var.bits_per_pixel >= 24)
-			deFillRect(p->BaseAddressInVRAM, 0, rect->dx * 3,
-				   rect->dy * 3, rect->width * 3, rect->height,
-				   rect->color);
-		else
-			deFillRect(p->BaseAddressInVRAM, 0, rect->dx, rect->dy,
-				   rect->width, rect->height, rect->color);
-	} else
-		cfb_fillrect(info, rect);
-}
-
-void smtcfb_imageblit(struct fb_info *info, const struct fb_image *image)
-{
-	struct par_info *p = (struct par_info *)info->par;
-	u32 bg_col = 0, fg_col = 0;
-
-	if ((smtc_2Dacceleration) && (image->depth == 1)) {
-		if (smtc_de_busy)
-			deWaitForNotBusy();
-
-		switch (info->var.bits_per_pixel) {
-		case 8:
-			bg_col = image->bg_color;
-			fg_col = image->fg_color;
-			break;
-		case 16:
-			bg_col =
-			    ((u32 *) (info->pseudo_palette))[image->bg_color];
-			fg_col =
-			    ((u32 *) (info->pseudo_palette))[image->fg_color];
-			break;
-		case 32:
-			bg_col =
-			    ((u32 *) (info->pseudo_palette))[image->bg_color];
-			fg_col =
-			    ((u32 *) (info->pseudo_palette))[image->fg_color];
-			break;
-		}
-
-		deSystemMem2VideoMemMonoBlt(
-			image->data,
-			image->width / 8,
-			0,
-			p->BaseAddressInVRAM,
-			0,
-			0,
-			image->dx, image->dy,
-			image->width, image->height,
-			fg_col, bg_col,
-			0x0C);
-
-	} else
-		cfb_imageblit(info, image);
-}
-
 static struct fb_ops smtcfb_ops = {
 	.owner = THIS_MODULE,
 	.fb_setcolreg = smtc_setcolreg,
-	.fb_blank = smtcfb_blank,
-	.fb_fillrect = smtcfb_fillrect,
-	.fb_imageblit = smtcfb_imageblit,
-	.fb_copyarea = smtcfb_copyarea,
+	.fb_blank = cfb_blank,
+	.fb_fillrect = cfb_fillrect,
+	.fb_imageblit = cfb_imageblit,
+	.fb_copyarea = cfb_copyarea,
 #ifdef __BIG_ENDIAN
 	.fb_read = smtcfb_read,
 	.fb_write = smtcfb_write,
@@ -772,12 +677,6 @@ void smtcfb_setmode(struct smtcfb_info *sfb)
 	hw.height = sfb->fb.var.yres;
 	hw.hz = 60;
 	smtc_set_timing(sfb, &hw);
-	if (smtc_2Dacceleration) {
-		printk("2D acceleration enabled!\n");
-		/* Init smtc drawing engine */
-		deInit(sfb->fb.var.xres, sfb->fb.var.yres,
-				sfb->fb.var.bits_per_pixel);
-	}
 }
 
 /*
@@ -1004,9 +903,7 @@ static int __init smtcfb_pci_probe(struct pci_dev *pdev,
 #endif
 		hw.m_pMMIO = (smtc_RegBaseAddress =
 		    smtc_VRAMBaseAddress + 0x00700000);
-		smtc_2DBaseAddress = (hw.m_pDPR =
-		    smtc_VRAMBaseAddress + 0x00408000);
-		smtc_2Ddataport = smtc_VRAMBaseAddress + DE_DATA_PORT_712;
+		hw.m_pDPR = smtc_VRAMBaseAddress + 0x00408000;
 		hw.m_pVPR = hw.m_pLFB + 0x0040c000;
 #ifdef __BIG_ENDIAN
 		if (sfb->fb.var.bits_per_pixel == 32) {
@@ -1035,27 +932,21 @@ static int __init smtcfb_pci_probe(struct pci_dev *pdev,
 		if (sfb->fb.var.bits_per_pixel == 32)
 			smtc_seqw(0x17, 0x30);
 #endif
-#ifdef CONFIG_FB_SM7XX_ACCEL
-		smtc_2Dacceleration = 1;
-#endif
 		break;
 	case 0x720:
 		sfb->fb.fix.mmio_start = pFramebufferPhysical;
 		sfb->fb.fix.mmio_len = 0x00200000;
 		smem_size = SM722_VIDEOMEMORYSIZE;
-		smtc_2DBaseAddress = (hw.m_pDPR =
-		    ioremap(pFramebufferPhysical, 0x00a00000));
+		hw.m_pDPR = ioremap(pFramebufferPhysical, 0x00a00000);
 		hw.m_pLFB = (smtc_VRAMBaseAddress =
-		    smtc_2DBaseAddress + 0x00200000);
+		    hw.m_pDPR + 0x00200000);
 		hw.m_pMMIO = (smtc_RegBaseAddress =
-		    smtc_2DBaseAddress + 0x000c0000);
-		smtc_2Ddataport = smtc_2DBaseAddress + DE_DATA_PORT_722;
-		hw.m_pVPR = smtc_2DBaseAddress + 0x800;
+		    hw.m_pDPR + 0x000c0000);
+		hw.m_pVPR = hw.m_pDPR + 0x800;
 
 		smtc_seqw(0x62, 0xff);
 		smtc_seqw(0x6a, 0x0d);
 		smtc_seqw(0x6b, 0x02);
-		smtc_2Dacceleration = 0;
 		break;
 	default:
 		printk(KERN_INFO
@@ -1103,7 +994,7 @@ static int __init smtcfb_pci_probe(struct pci_dev *pdev,
 
 
 /* Jason (08/11/2009) PCI_DRV wrapper essential structs */
-static struct pci_device_id smtcfb_pci_table[] = {
+static const struct pci_device_id smtcfb_pci_table[] = {
 	{0x126f, 0x710, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{0x126f, 0x712, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{0x126f, 0x720, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
diff --git a/drivers/staging/udlfb/Kconfig b/drivers/staging/udlfb/Kconfig
index 641692da0e4f..65bd5db4ca56 100644
--- a/drivers/staging/udlfb/Kconfig
+++ b/drivers/staging/udlfb/Kconfig
@@ -1,8 +1,14 @@
 config FB_UDL
 	tristate "Displaylink USB Framebuffer support"
 	depends on FB && USB
+	select FB_MODE_HELPERS
+	select FB_SYS_FILLRECT
+	select FB_SYS_COPYAREA
+	select FB_SYS_IMAGEBLIT
+	select FB_SYS_FOPS
+	select FB_DEFERRED_IO
 	---help---
-	  This is an experimental driver for DisplayLink USB devices
-	  that provides a framebuffer device.  A normal framebuffer can
-	  be used with this driver, or xorg can be run on the device
-	  using it.
+	  This is a kernel framebuffer driver for DisplayLink USB devices.
+	  Supports fbdev clients like xf86-video-fbdev, kdrive, fbi, and
+	  mplayer -vo fbdev. Supports all USB 2.0 era DisplayLink devices.
+	  To compile as a module, choose M here: the module name is udlfb.
diff --git a/drivers/staging/udlfb/udlfb.c b/drivers/staging/udlfb/udlfb.c
index f5416af1e902..8f6223c8303a 100644
--- a/drivers/staging/udlfb/udlfb.c
+++ b/drivers/staging/udlfb/udlfb.c
@@ -1,17 +1,20 @@
-/*****************************************************************************
- *                          DLFB Kernel Driver                               *
- *                            Version 0.2 (udlfb)                            *
- *             (C) 2009 Roberto De Ioris <roberto@unbit.it>                  *
- *                                                                           *
- *     This file is licensed under the GPLv2. See COPYING in the package.    *
- * Based on the amazing work of Florian Echtler and libdlo 0.1               *
- *                                                                           *
- *                                                                           *
- * 10.06.09 release 0.2.3 (edid ioctl, fallback for unsupported modes)       *
- * 05.06.09 release 0.2.2 (real screen blanking, rle compression, double buffer) *
- * 31.05.09 release 0.2                                                      *
- * 22.05.09 First public (ugly) release                                      *
- *****************************************************************************/
+/*
+ * udlfb.c -- Framebuffer driver for DisplayLink USB controller
+ *
+ * Copyright (C) 2009 Roberto De Ioris <roberto@unbit.it>
+ * Copyright (C) 2009 Jaya Kumar <jayakumar.lkml@gmail.com>
+ * Copyright (C) 2009 Bernie Thompson <bernie@plugable.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License v2. See the file COPYING in the main directory of this archive for
+ * more details.
+ *
+ * Layout is based on skeletonfb by James Simmons and Geert Uytterhoeven,
+ * usb-skeleton by GregKH.
+ *
+ * Device-specific portions based on information from Displaylink, with work
+ * from Florian Echtler, Henrik Bjerregaard Pedersen, and others.
+ */
 
 #include <linux/module.h>
 #include <linux/kernel.h>
@@ -20,606 +23,672 @@
 #include <linux/uaccess.h>
 #include <linux/mm.h>
 #include <linux/fb.h>
-#include <linux/mutex.h>
 #include <linux/vmalloc.h>
 
 #include "udlfb.h"
 
-#define DRIVER_VERSION "DLFB 0.2"
+static struct fb_fix_screeninfo dlfb_fix = {
+	.id =           "udlfb",
+	.type =         FB_TYPE_PACKED_PIXELS,
+	.visual =       FB_VISUAL_TRUECOLOR,
+	.xpanstep =     0,
+	.ypanstep =     0,
+	.ywrapstep =    0,
+	.accel =        FB_ACCEL_NONE,
+};
 
-/* memory functions taken from vfb */
+static const u32 udlfb_info_flags = FBINFO_DEFAULT | FBINFO_READS_FAST |
+#ifdef FBINFO_VIRTFB
+		FBINFO_VIRTFB |
+#endif
+		FBINFO_HWACCEL_IMAGEBLIT | FBINFO_HWACCEL_FILLRECT |
+		FBINFO_HWACCEL_COPYAREA | FBINFO_MISC_ALWAYS_SETPAR;
 
-static void *rvmalloc(unsigned long size)
-{
-	void *mem;
-	unsigned long adr;
+/*
+ * There are many DisplayLink-based products, all with unique PIDs. We are able
+ * to support all volume ones (circa 2009) with a single driver, so we match
+ * globally on VID. TODO: Probe() needs to detect when we might be running
+ * "future" chips, and bail on those, so a compatible driver can match.
+ */
+static struct usb_device_id id_table[] = {
+	{.idVendor = 0x17e9, .match_flags = USB_DEVICE_ID_MATCH_VENDOR,},
+	{},
+};
+MODULE_DEVICE_TABLE(usb, id_table);
 
-	size = PAGE_ALIGN(size);
-	mem = vmalloc_32(size);
-	if (!mem)
-		return NULL;
+#ifndef CONFIG_FB_DEFERRED_IO
+#warning message "kernel FB_DEFFERRED_IO option to support generic fbdev apps"
+#endif
 
-	memset(mem, 0, size);	/* Clear the ram out, no junk to the user */
-	adr = (unsigned long)mem;
-	while (size > 0) {
-		SetPageReserved(vmalloc_to_page((void *)adr));
-		adr += PAGE_SIZE;
-		size -= PAGE_SIZE;
-	}
+#ifndef CONFIG_FB_SYS_IMAGEBLIT
+#ifndef CONFIG_FB_SYS_IMAGEBLIT_MODULE
+#warning message "FB_SYS_* in kernel or module option to support fb console"
+#endif
+#endif
 
-	return mem;
-}
+#ifndef CONFIG_FB_MODE_HELPERS
+#warning message "kernel FB_MODE_HELPERS required. Expect build break"
+#endif
 
-static void rvfree(void *mem, unsigned long size)
-{
-	unsigned long adr;
+/* dlfb keeps a list of urbs for efficient bulk transfers */
+static void dlfb_urb_completion(struct urb *urb);
+static struct urb *dlfb_get_urb(struct dlfb_data *dev);
+static int dlfb_submit_urb(struct dlfb_data *dev, struct urb * urb, size_t len);
+static int dlfb_alloc_urb_list(struct dlfb_data *dev, int count, size_t size);
+static void dlfb_free_urb_list(struct dlfb_data *dev);
 
-	if (!mem)
-		return;
+/* other symbols with dependents */
+#ifdef CONFIG_FB_DEFERRED_IO
+static struct fb_deferred_io dlfb_defio;
+#endif
 
-	adr = (unsigned long)mem;
-	while ((long)size > 0) {
-		ClearPageReserved(vmalloc_to_page((void *)adr));
-		adr += PAGE_SIZE;
-		size -= PAGE_SIZE;
-	}
-	vfree(mem);
+/*
+ * All DisplayLink bulk operations start with 0xAF, followed by specific code
+ * All operations are written to buffers which then later get sent to device
+ */
+static char *dlfb_set_register(char *buf, u8 reg, u8 val)
+{
+	*buf++ = 0xAF;
+	*buf++ = 0x20;
+	*buf++ = reg;
+	*buf++ = val;
+	return buf;
 }
 
-static int dlfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
+static char *dlfb_vidreg_lock(char *buf)
 {
-	unsigned long start = vma->vm_start;
-	unsigned long size = vma->vm_end - vma->vm_start;
-	unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
-	unsigned long page, pos;
-
-	printk("MMAP: %lu %u\n", offset + size, info->fix.smem_len);
-
-	if (offset + size > info->fix.smem_len)
-		return -EINVAL;
-
-	pos = (unsigned long)info->fix.smem_start + offset;
-
-	while (size > 0) {
-		page = vmalloc_to_pfn((void *)pos);
-		if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED))
-			return -EAGAIN;
-
-		start += PAGE_SIZE;
-		pos += PAGE_SIZE;
-		if (size > PAGE_SIZE)
-			size -= PAGE_SIZE;
-		else
-			size = 0;
-	}
-
-	vma->vm_flags |= VM_RESERVED;	/* avoid to swap out this VMA */
-	return 0;
-
+	return dlfb_set_register(buf, 0xFF, 0x00);
 }
 
-/* ioctl structure */
-struct dloarea {
-	int x, y;
-	int w, h;
-	int x2, y2;
-};
+static char *dlfb_vidreg_unlock(char *buf)
+{
+	return dlfb_set_register(buf, 0xFF, 0xFF);
+}
 
 /*
-static struct usb_device_id id_table [] = {
-	{ USB_DEVICE(0x17e9, 0x023d) },
-	{ }
-};
-*/
+ * On/Off for driving the DisplayLink framebuffer to the display
+ */
+static char *dlfb_enable_hvsync(char *buf, bool enable)
+{
+	if (enable)
+		return dlfb_set_register(buf, 0x1F, 0x00);
+	else
+		return dlfb_set_register(buf, 0x1F, 0x01);
+}
 
-static struct usb_device_id id_table[] = {
-	{.idVendor = 0x17e9, .match_flags = USB_DEVICE_ID_MATCH_VENDOR,},
-	{},
-};
-MODULE_DEVICE_TABLE(usb, id_table);
+static char *dlfb_set_color_depth(char *buf, u8 selection)
+{
+	return dlfb_set_register(buf, 0x00, selection);
+}
 
-static struct usb_driver dlfb_driver;
+static char *dlfb_set_base16bpp(char *wrptr, u32 base)
+{
+	/* the base pointer is 16 bits wide, 0x20 is hi byte. */
+	wrptr = dlfb_set_register(wrptr, 0x20, base >> 16);
+	wrptr = dlfb_set_register(wrptr, 0x21, base >> 8);
+	return dlfb_set_register(wrptr, 0x22, base);
+}
 
-// thanks to Henrik Bjerregaard Pedersen for this function
-static char *rle_compress16(uint16_t * src, char *dst, int rem)
+/*
+ * DisplayLink HW has separate 16bpp and 8bpp framebuffers.
+ * In 24bpp modes, the low 323 RGB bits go in the 8bpp framebuffer
+ */
+static char *dlfb_set_base8bpp(char *wrptr, u32 base)
 {
+	wrptr = dlfb_set_register(wrptr, 0x26, base >> 16);
+	wrptr = dlfb_set_register(wrptr, 0x27, base >> 8);
+	return dlfb_set_register(wrptr, 0x28, base);
+}
 
-	int rl;
-	uint16_t pix0;
-	char *end_if_raw = dst + 6 + 2 * rem;
+static char *dlfb_set_register_16(char *wrptr, u8 reg, u16 value)
+{
+	wrptr = dlfb_set_register(wrptr, reg, value >> 8);
+	return dlfb_set_register(wrptr, reg+1, value);
+}
 
-	dst += 6;		// header will be filled in if RLE is worth it
+/*
+ * This is kind of weird because the controller takes some
+ * register values in a different byte order than other registers.
+ */
+static char *dlfb_set_register_16be(char *wrptr, u8 reg, u16 value)
+{
+	wrptr = dlfb_set_register(wrptr, reg, value);
+	return dlfb_set_register(wrptr, reg+1, value >> 8);
+}
 
-	while (rem && dst < end_if_raw) {
-		char *start = (char *)src;
+/*
+ * LFSR is linear feedback shift register. The reason we have this is
+ * because the display controller needs to minimize the clock depth of
+ * various counters used in the display path. So this code reverses the
+ * provided value into the lfsr16 value by counting backwards to get
+ * the value that needs to be set in the hardware comparator to get the
+ * same actual count. This makes sense once you read above a couple of
+ * times and think about it from a hardware perspective.
+ */
+static u16 dlfb_lfsr16(u16 actual_count)
+{
+	u32 lv = 0xFFFF; /* This is the lfsr value that the hw starts with */
 
-		pix0 = *src++;
-		rl = 1;
-		rem--;
-		while (rem && *src == pix0)
-			rem--, rl++, src++;
-		*dst++ = rl;
-		*dst++ = start[1];
-		*dst++ = start[0];
+	while (actual_count--) {
+		lv =	 ((lv << 1) |
+			(((lv >> 15) ^ (lv >> 4) ^ (lv >> 2) ^ (lv >> 1)) & 1))
+			& 0xFFFF;
 	}
 
-	return dst;
+	return (u16) lv;
 }
 
 /*
-Thanks to Henrik Bjerregaard Pedersen for rle implementation and code refactoring.
-Next step is huffman compression.
-*/
-
-static int
-image_blit(struct dlfb_data *dev_info, int x, int y, int width, int height,
-	   char *data)
+ * This does LFSR conversion on the value that is to be written.
+ * See LFSR explanation above for more detail.
+ */
+static char *dlfb_set_register_lfsr16(char *wrptr, u8 reg, u16 value)
 {
+	return dlfb_set_register_16(wrptr, reg, dlfb_lfsr16(value));
+}
 
-	int i, j, base;
-	int rem = width;
-	int ret;
-
-	int firstdiff, thistime;
-
-	char *bufptr;
-
-	if (x + width > dev_info->info->var.xres)
-		return -EINVAL;
-
-	if (y + height > dev_info->info->var.yres)
-		return -EINVAL;
+/*
+ * This takes a standard fbdev screeninfo struct and all of its monitor mode
+ * details and converts them into the DisplayLink equivalent register commands.
+ */
+static char *dlfb_set_vid_cmds(char *wrptr, struct fb_var_screeninfo *var)
+{
+	u16 xds, yds;
+	u16 xde, yde;
+	u16 yec;
 
-	mutex_lock(&dev_info->bulk_mutex);
+	/* x display start */
+	xds = var->left_margin + var->hsync_len;
+	wrptr = dlfb_set_register_lfsr16(wrptr, 0x01, xds);
+	/* x display end */
+	xde = xds + var->xres;
+	wrptr = dlfb_set_register_lfsr16(wrptr, 0x03, xde);
 
-	base =
-	    dev_info->base16 + ((dev_info->info->var.xres * 2 * y) + (x * 2));
+	/* y display start */
+	yds = var->upper_margin + var->vsync_len;
+	wrptr = dlfb_set_register_lfsr16(wrptr, 0x05, yds);
+	/* y display end */
+	yde = yds + var->yres;
+	wrptr = dlfb_set_register_lfsr16(wrptr, 0x07, yde);
 
-	data += (dev_info->info->var.xres * 2 * y) + (x * 2);
+	/* x end count is active + blanking - 1 */
+	wrptr = dlfb_set_register_lfsr16(wrptr, 0x09,
+			xde + var->right_margin - 1);
 
-	/* printk("IMAGE_BLIT\n"); */
+	/* libdlo hardcodes hsync start to 1 */
+	wrptr = dlfb_set_register_lfsr16(wrptr, 0x0B, 1);
 
-	bufptr = dev_info->buf;
+	/* hsync end is width of sync pulse + 1 */
+	wrptr = dlfb_set_register_lfsr16(wrptr, 0x0D, var->hsync_len + 1);
 
-	for (i = y; i < y + height; i++) {
+	/* hpixels is active pixels */
+	wrptr = dlfb_set_register_16(wrptr, 0x0F, var->xres);
 
-		if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
-			ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
-			bufptr = dev_info->buf;
-		}
+	/* yendcount is vertical active + vertical blanking */
+	yec = var->yres + var->upper_margin + var->lower_margin +
+			var->vsync_len;
+	wrptr = dlfb_set_register_lfsr16(wrptr, 0x11, yec);
 
-		rem = width;
+	/* libdlo hardcodes vsync start to 0 */
+	wrptr = dlfb_set_register_lfsr16(wrptr, 0x13, 0);
 
-		/* printk("WRITING LINE %d\n", i); */
+	/* vsync end is width of vsync pulse */
+	wrptr = dlfb_set_register_lfsr16(wrptr, 0x15, var->vsync_len);
 
-		while (rem) {
+	/* vpixels is active pixels */
+	wrptr = dlfb_set_register_16(wrptr, 0x17, var->yres);
 
-			if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
-				ret =
-				    dlfb_bulk_msg(dev_info,
-						  bufptr - dev_info->buf);
-				bufptr = dev_info->buf;
-			}
-			// number of pixels to consider this time
-			thistime = rem;
-			if (thistime > 255)
-				thistime = 255;
-
-			// find position of first pixel that has changed
-			firstdiff = -1;
-			for (j = 0; j < thistime * 2; j++) {
-				if (dev_info->backing_buffer
-				    [base - dev_info->base16 + j] != data[j]) {
-					firstdiff = j / 2;
-					break;
-				}
-			}
+	/* convert picoseconds to 5kHz multiple for pclk5k = x * 1E12/5k */
+	wrptr = dlfb_set_register_16be(wrptr, 0x1B,
+			200*1000*1000/var->pixclock);
 
-			if (firstdiff >= 0) {
-				char *end_of_rle;
-
-				end_of_rle =
-				    rle_compress16((uint16_t *) (data +
-								 firstdiff * 2),
-						   bufptr,
-						   thistime - firstdiff);
-
-				if (end_of_rle <
-				    bufptr + 6 + 2 * (thistime - firstdiff)) {
-					bufptr[0] = 0xAF;
-					bufptr[1] = 0x69;
-
-					bufptr[2] =
-					    (char)((base +
-						    firstdiff * 2) >> 16);
-					bufptr[3] =
-					    (char)((base + firstdiff * 2) >> 8);
-					bufptr[4] =
-					    (char)(base + firstdiff * 2);
-					bufptr[5] = thistime - firstdiff;
-
-					bufptr = end_of_rle;
-
-				} else {
-					// fallback to raw (or some other encoding?)
-					*bufptr++ = 0xAF;
-					*bufptr++ = 0x68;
-
-					*bufptr++ =
-					    (char)((base +
-						    firstdiff * 2) >> 16);
-					*bufptr++ =
-					    (char)((base + firstdiff * 2) >> 8);
-					*bufptr++ =
-					    (char)(base + firstdiff * 2);
-					*bufptr++ = thistime - firstdiff;
-					// PUT COMPRESSION HERE
-					for (j = firstdiff * 2;
-					     j < thistime * 2; j += 2) {
-						*bufptr++ = data[j + 1];
-						*bufptr++ = data[j];
-					}
-				}
-			}
+	return wrptr;
+}
 
-			base += thistime * 2;
-			data += thistime * 2;
-			rem -= thistime;
-		}
+/*
+ * This takes a standard fbdev screeninfo struct that was fetched or prepared
+ * and then generates the appropriate command sequence that then drives the
+ * display controller.
+ */
+static int dlfb_set_video_mode(struct dlfb_data *dev,
+				struct fb_var_screeninfo *var)
+{
+	char *buf;
+	char *wrptr;
+	int retval = 0;
+	int writesize;
+	struct urb *urb;
 
-		memcpy(dev_info->backing_buffer + (base - dev_info->base16) -
-		       (width * 2), data - (width * 2), width * 2);
+	if (!atomic_read(&dev->usb_active))
+		return -EPERM;
 
-		base += (dev_info->info->var.xres * 2) - (width * 2);
-		data += (dev_info->info->var.xres * 2) - (width * 2);
+	urb = dlfb_get_urb(dev);
+	if (!urb)
+		return -ENOMEM;
+	buf = (char *) urb->transfer_buffer;
 
-	}
+	/*
+	* This first section has to do with setting the base address on the
+	* controller * associated with the display. There are 2 base
+	* pointers, currently, we only * use the 16 bpp segment.
+	*/
+	wrptr = dlfb_vidreg_lock(buf);
+	wrptr = dlfb_set_color_depth(wrptr, 0x00);
+	/* set base for 16bpp segment to 0 */
+	wrptr = dlfb_set_base16bpp(wrptr, 0);
+	/* set base for 8bpp segment to end of fb */
+	wrptr = dlfb_set_base8bpp(wrptr, dev->info->fix.smem_len);
 
-	if (bufptr > dev_info->buf) {
-		ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
-	}
+	wrptr = dlfb_set_vid_cmds(wrptr, var);
+	wrptr = dlfb_enable_hvsync(wrptr, true);
+	wrptr = dlfb_vidreg_unlock(wrptr);
 
-	mutex_unlock(&dev_info->bulk_mutex);
+	writesize = wrptr - buf;
 
-	return base;
+	retval = dlfb_submit_urb(dev, urb, writesize);
 
+	return retval;
 }
 
-static int
-draw_rect(struct dlfb_data *dev_info, int x, int y, int width, int height,
-	  unsigned char red, unsigned char green, unsigned char blue)
+static int dlfb_ops_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
+	unsigned long start = vma->vm_start;
+	unsigned long size = vma->vm_end - vma->vm_start;
+	unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
+	unsigned long page, pos;
+	struct dlfb_data *dev = info->par;
 
-	int i, j, base;
-	int ret;
-	unsigned short col =
-	    (((((red) & 0xF8) | ((green) >> 5)) & 0xFF) << 8) +
-	    (((((green) & 0x1C) << 3) | ((blue) >> 3)) & 0xFF);
-	int rem = width;
-
-	char *bufptr;
+	dl_notice("MMAP: %lu %u\n", offset + size, info->fix.smem_len);
 
-	if (x + width > dev_info->info->var.xres)
+	if (offset + size > info->fix.smem_len)
 		return -EINVAL;
 
-	if (y + height > dev_info->info->var.yres)
-		return -EINVAL;
+	pos = (unsigned long)info->fix.smem_start + offset;
 
-	mutex_lock(&dev_info->bulk_mutex);
+	while (size > 0) {
+		page = vmalloc_to_pfn((void *)pos);
+		if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED))
+			return -EAGAIN;
 
-	base = dev_info->base16 + (dev_info->info->var.xres * 2 * y) + (x * 2);
+		start += PAGE_SIZE;
+		pos += PAGE_SIZE;
+		if (size > PAGE_SIZE)
+			size -= PAGE_SIZE;
+		else
+			size = 0;
+	}
 
-	bufptr = dev_info->buf;
+	vma->vm_flags |= VM_RESERVED;	/* avoid to swap out this VMA */
+	return 0;
 
-	for (i = y; i < y + height; i++) {
+}
 
-		for (j = 0; j < width * 2; j += 2) {
-			dev_info->backing_buffer[base - dev_info->base16 + j] =
-			    (char)(col >> 8);
-			dev_info->backing_buffer[base - dev_info->base16 + j +
-						 1] = (char)(col);
-		}
-		if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
-			ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
-			bufptr = dev_info->buf;
+/*
+ * Trims identical data from front and back of line
+ * Sets new front buffer address and width
+ * And returns byte count of identical pixels
+ * Assumes CPU natural alignment (unsigned long)
+ * for back and front buffer ptrs and width
+ */
+static int dlfb_trim_hline(const u8 *bback, const u8 **bfront, int *width_bytes)
+{
+	int j, k;
+	const unsigned long *back = (const unsigned long *) bback;
+	const unsigned long *front = (const unsigned long *) *bfront;
+	const int width = *width_bytes / sizeof(unsigned long);
+	int identical = width;
+	int start = width;
+	int end = width;
+
+	prefetch((void *) front);
+	prefetch((void *) back);
+
+	for (j = 0; j < width; j++) {
+		if (back[j] != front[j]) {
+			start = j;
+			break;
 		}
+	}
 
-		rem = width;
-
-		while (rem) {
-
-			if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
-				ret =
-				    dlfb_bulk_msg(dev_info,
-						  bufptr - dev_info->buf);
-				bufptr = dev_info->buf;
-			}
-
-			*bufptr++ = 0xAF;
-			*bufptr++ = 0x69;
-
-			*bufptr++ = (char)(base >> 16);
-			*bufptr++ = (char)(base >> 8);
-			*bufptr++ = (char)(base);
-
-			if (rem > 255) {
-				*bufptr++ = 255;
-				*bufptr++ = 255;
-				rem -= 255;
-				base += 255 * 2;
-			} else {
-				*bufptr++ = rem;
-				*bufptr++ = rem;
-				base += rem * 2;
-				rem = 0;
-			}
-
-			*bufptr++ = (char)(col >> 8);
-			*bufptr++ = (char)(col);
-
+	for (k = width - 1; k > j; k--) {
+		if (back[k] != front[k]) {
+			end = k+1;
+			break;
 		}
-
-		base += (dev_info->info->var.xres * 2) - (width * 2);
-
 	}
 
-	if (bufptr > dev_info->buf)
-		ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
+	identical = start + (width - end);
+	*bfront = (u8 *) &front[start];
+	*width_bytes = (end - start) * sizeof(unsigned long);
 
-	mutex_unlock(&dev_info->bulk_mutex);
-
-	return 1;
+	return identical * sizeof(unsigned long);
 }
 
-static void swapfb(struct dlfb_data *dev_info)
+/*
+Render a command stream for an encoded horizontal line segment of pixels.
+
+A command buffer holds several commands.
+It always begins with a fresh command header
+(the protocol doesn't require this, but we enforce it to allow
+multiple buffers to be potentially encoded and sent in parallel).
+A single command encodes one contiguous horizontal line of pixels
+
+The function relies on the client to do all allocation, so that
+rendering can be done directly to output buffers (e.g. USB URBs).
+The function fills the supplied command buffer, providing information
+on where it left off, so the client may call in again with additional
+buffers if the line will take several buffers to complete.
+
+A single command can transmit a maximum of 256 pixels,
+regardless of the compression ratio (protocol design limit).
+To the hardware, 0 for a size byte means 256
+
+Rather than 256 pixel commands which are either rl or raw encoded,
+the rlx command simply assumes alternating raw and rl spans within one cmd.
+This has a slightly larger header overhead, but produces more even results.
+It also processes all data (read and write) in a single pass.
+Performance benchmarks of common cases show it having just slightly better
+compression than 256 pixel raw -or- rle commands, with similar CPU consumpion.
+But for very rl friendly data, will compress not quite as well.
+*/
+static void dlfb_compress_hline(
+	const uint16_t **pixel_start_ptr,
+	const uint16_t *const pixel_end,
+	uint32_t *device_address_ptr,
+	uint8_t **command_buffer_ptr,
+	const uint8_t *const cmd_buffer_end)
 {
+	const uint16_t *pixel = *pixel_start_ptr;
+	uint32_t dev_addr  = *device_address_ptr;
+	uint8_t *cmd = *command_buffer_ptr;
+	const int bpp = 2;
+
+	while ((pixel_end > pixel) &&
+	       (cmd_buffer_end - MIN_RLX_CMD_BYTES > cmd)) {
+		uint8_t *raw_pixels_count_byte = 0;
+		uint8_t *cmd_pixels_count_byte = 0;
+		const uint16_t *raw_pixel_start = 0;
+		const uint16_t *cmd_pixel_start, *cmd_pixel_end = 0;
+		const uint32_t be_dev_addr = cpu_to_be32(dev_addr);
+
+		prefetchw((void *) cmd); /* pull in one cache line at least */
+
+		*cmd++ = 0xAF;
+		*cmd++ = 0x6B;
+		*cmd++ = (uint8_t) ((be_dev_addr >> 8) & 0xFF);
+		*cmd++ = (uint8_t) ((be_dev_addr >> 16) & 0xFF);
+		*cmd++ = (uint8_t) ((be_dev_addr >> 24) & 0xFF);
+
+		cmd_pixels_count_byte = cmd++; /*  we'll know this later */
+		cmd_pixel_start = pixel;
+
+		raw_pixels_count_byte = cmd++; /*  we'll know this later */
+		raw_pixel_start = pixel;
+
+		cmd_pixel_end = pixel + min(MAX_CMD_PIXELS + 1,
+			min((int)(pixel_end - pixel),
+			    (int)(cmd_buffer_end - cmd) / bpp));
+
+		prefetch_range((void *) pixel, (cmd_pixel_end - pixel) * bpp);
+
+		while (pixel < cmd_pixel_end) {
+			const uint16_t * const repeating_pixel = pixel;
+
+			*(uint16_t *)cmd = cpu_to_be16p(pixel);
+			cmd += 2;
+			pixel++;
+
+			if (unlikely((pixel < cmd_pixel_end) &&
+				     (*pixel == *repeating_pixel))) {
+				/* go back and fill in raw pixel count */
+				*raw_pixels_count_byte = ((repeating_pixel -
+						raw_pixel_start) + 1) & 0xFF;
+
+				while ((pixel < cmd_pixel_end)
+				       && (*pixel == *repeating_pixel)) {
+					pixel++;
+				}
 
-	int tmpbase;
-	char *bufptr;
-
-	mutex_lock(&dev_info->bulk_mutex);
-
-	tmpbase = dev_info->base16;
-
-	dev_info->base16 = dev_info->base16d;
-	dev_info->base16d = tmpbase;
+				/* immediately after raw data is repeat byte */
+				*cmd++ = ((pixel - repeating_pixel) - 1) & 0xFF;
 
-	bufptr = dev_info->buf;
+				/* Then start another raw pixel span */
+				raw_pixel_start = pixel;
+				raw_pixels_count_byte = cmd++;
+			}
+		}
 
-	bufptr = dlfb_set_register(bufptr, 0xFF, 0x00);
+		if (pixel > raw_pixel_start) {
+			/* finalize last RAW span */
+			*raw_pixels_count_byte = (pixel-raw_pixel_start) & 0xFF;
+		}
 
-	// set addresses
-	bufptr =
-	    dlfb_set_register(bufptr, 0x20, (char)(dev_info->base16 >> 16));
-	bufptr = dlfb_set_register(bufptr, 0x21, (char)(dev_info->base16 >> 8));
-	bufptr = dlfb_set_register(bufptr, 0x22, (char)(dev_info->base16));
+		*cmd_pixels_count_byte = (pixel - cmd_pixel_start) & 0xFF;
+		dev_addr += (pixel - cmd_pixel_start) * bpp;
+	}
 
-	bufptr = dlfb_set_register(bufptr, 0xFF, 0x00);
+	if (cmd_buffer_end <= MIN_RLX_CMD_BYTES + cmd) {
+		/* Fill leftover bytes with no-ops */
+		if (cmd_buffer_end > cmd)
+			memset(cmd, 0xAF, cmd_buffer_end - cmd);
+		cmd = (uint8_t *) cmd_buffer_end;
+	}
 
-	dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
+	*command_buffer_ptr = cmd;
+	*pixel_start_ptr = pixel;
+	*device_address_ptr = dev_addr;
 
-	mutex_unlock(&dev_info->bulk_mutex);
+	return;
 }
 
-static int copyfb(struct dlfb_data *dev_info)
+/*
+ * There are 3 copies of every pixel: The front buffer that the fbdev
+ * client renders to, the actual framebuffer across the USB bus in hardware
+ * (that we can only write to, slowly, and can never read), and (optionally)
+ * our shadow copy that tracks what's been sent to that hardware buffer.
+ */
+static void dlfb_render_hline(struct dlfb_data *dev, struct urb **urb_ptr,
+			      const char *front, char **urb_buf_ptr,
+			      u32 byte_offset, u32 byte_width,
+			      int *ident_ptr, int *sent_ptr)
 {
-	int base;
-	int source;
-	int rem;
-	int i, ret;
-
-	char *bufptr;
-
-	base = dev_info->base16d;
-
-	mutex_lock(&dev_info->bulk_mutex);
-
-	source = dev_info->base16;
-
-	bufptr = dev_info->buf;
-
-	for (i = 0; i < dev_info->info->var.yres; i++) {
-
-		if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
-			ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
-			bufptr = dev_info->buf;
-		}
-
-		rem = dev_info->info->var.xres;
-
-		while (rem) {
-
-			if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
-				ret =
-				    dlfb_bulk_msg(dev_info,
-						  bufptr - dev_info->buf);
-				bufptr = dev_info->buf;
-
-			}
-
-			*bufptr++ = 0xAF;
-			*bufptr++ = 0x6A;
-
-			*bufptr++ = (char)(base >> 16);
-			*bufptr++ = (char)(base >> 8);
-			*bufptr++ = (char)(base);
-
-			if (rem > 255) {
-				*bufptr++ = 255;
-				*bufptr++ = (char)(source >> 16);
-				*bufptr++ = (char)(source >> 8);
-				*bufptr++ = (char)(source);
-
-				rem -= 255;
-				base += 255 * 2;
-				source += 255 * 2;
-
-			} else {
-				*bufptr++ = rem;
-				*bufptr++ = (char)(source >> 16);
-				*bufptr++ = (char)(source >> 8);
-				*bufptr++ = (char)(source);
+	const u8 *line_start, *line_end, *next_pixel;
+	u32 dev_addr = dev->base16 + byte_offset;
+	struct urb *urb = *urb_ptr;
+	u8 *cmd = *urb_buf_ptr;
+	u8 *cmd_end = (u8 *) urb->transfer_buffer + urb->transfer_buffer_length;
+
+	line_start = (u8 *) (front + byte_offset);
+	next_pixel = line_start;
+	line_end = next_pixel + byte_width;
+
+	if (dev->backing_buffer) {
+		int offset;
+		const u8 *back_start = (u8 *) (dev->backing_buffer
+						+ byte_offset);
+
+		*ident_ptr += dlfb_trim_hline(back_start, &next_pixel,
+			&byte_width);
+
+		offset = next_pixel - line_start;
+		line_end = next_pixel + byte_width;
+		dev_addr += offset;
+		back_start += offset;
+		line_start += offset;
+
+		memcpy((char *)back_start, (char *) line_start,
+		       byte_width);
+	}
 
-				base += rem * 2;
-				source += rem * 2;
-				rem = 0;
-			}
+	while (next_pixel < line_end) {
+
+		dlfb_compress_hline((const uint16_t **) &next_pixel,
+			     (const uint16_t *) line_end, &dev_addr,
+			(u8 **) &cmd, (u8 *) cmd_end);
+
+		if (cmd >= cmd_end) {
+			int len = cmd - (u8 *) urb->transfer_buffer;
+			if (dlfb_submit_urb(dev, urb, len))
+				return; /* lost pixels is set */
+			*sent_ptr += len;
+			urb = dlfb_get_urb(dev);
+			if (!urb)
+				return; /* lost_pixels is set */
+			*urb_ptr = urb;
+			cmd = urb->transfer_buffer;
+			cmd_end = &cmd[urb->transfer_buffer_length];
 		}
 	}
 
-	if (bufptr > dev_info->buf)
-		ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
-
-	mutex_unlock(&dev_info->bulk_mutex);
-
-	return 1;
-
+	*urb_buf_ptr = cmd;
 }
 
-static int
-copyarea(struct dlfb_data *dev_info, int dx, int dy, int sx, int sy,
-	 int width, int height)
+int dlfb_handle_damage(struct dlfb_data *dev, int x, int y,
+	       int width, int height, char *data)
 {
-	int base;
-	int source;
-	int rem;
 	int i, ret;
-
-	char *bufptr;
-
-	if (dx + width > dev_info->info->var.xres)
+	char *cmd;
+	cycles_t start_cycles, end_cycles;
+	int bytes_sent = 0;
+	int bytes_identical = 0;
+	struct urb *urb;
+	int aligned_x;
+
+	start_cycles = get_cycles();
+
+	aligned_x = DL_ALIGN_DOWN(x, sizeof(unsigned long));
+	width = DL_ALIGN_UP(width + (x-aligned_x), sizeof(unsigned long));
+	x = aligned_x;
+
+	if ((width <= 0) ||
+	    (x + width > dev->info->var.xres) ||
+	    (y + height > dev->info->var.yres))
 		return -EINVAL;
 
-	if (dy + height > dev_info->info->var.yres)
-		return -EINVAL;
-
-	mutex_lock(&dev_info->bulk_mutex);
+	if (!atomic_read(&dev->usb_active))
+		return 0;
 
-	base =
-	    dev_info->base16 + (dev_info->info->var.xres * 2 * dy) + (dx * 2);
-	source = (dev_info->info->var.xres * 2 * sy) + (sx * 2);
+	urb = dlfb_get_urb(dev);
+	if (!urb)
+		return 0;
+	cmd = urb->transfer_buffer;
 
-	bufptr = dev_info->buf;
+	for (i = y; i < y + height ; i++) {
+		const int line_offset = dev->info->fix.line_length * i;
+		const int byte_offset = line_offset + (x * BPP);
 
-	for (i = sy; i < sy + height; i++) {
+		dlfb_render_hline(dev, &urb, (char *) dev->info->fix.smem_start,
+				  &cmd, byte_offset, width * BPP,
+				  &bytes_identical, &bytes_sent);
+	}
 
-		memcpy(dev_info->backing_buffer + base - dev_info->base16,
-		       dev_info->backing_buffer + source, width * 2);
+	if (cmd > (char *) urb->transfer_buffer) {
+		/* Send partial buffer remaining before exiting */
+		int len = cmd - (char *) urb->transfer_buffer;
+		ret = dlfb_submit_urb(dev, urb, len);
+		bytes_sent += len;
+	} else
+		dlfb_urb_completion(urb);
+
+	atomic_add(bytes_sent, &dev->bytes_sent);
+	atomic_add(bytes_identical, &dev->bytes_identical);
+	atomic_add(width*height*2, &dev->bytes_rendered);
+	end_cycles = get_cycles();
+	atomic_add(((unsigned int) ((end_cycles - start_cycles)
+		    >> 10)), /* Kcycles */
+		   &dev->cpu_kcycles_used);
 
-		if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
-			ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
-			bufptr = dev_info->buf;
-		}
-
-		rem = width;
+	return 0;
+}
 
-		while (rem) {
+/* hardware has native COPY command (see libdlo), but not worth it for fbcon */
+static void dlfb_ops_copyarea(struct fb_info *info,
+				const struct fb_copyarea *area)
+{
 
-			if (dev_info->bufend - bufptr < BUF_HIGH_WATER_MARK) {
-				ret =
-				    dlfb_bulk_msg(dev_info,
-						  bufptr - dev_info->buf);
-				bufptr = dev_info->buf;
-			}
+	struct dlfb_data *dev = info->par;
 
-			*bufptr++ = 0xAF;
-			*bufptr++ = 0x6A;
+#if defined CONFIG_FB_SYS_COPYAREA || defined CONFIG_FB_SYS_COPYAREA_MODULE
 
-			*bufptr++ = (char)(base >> 16);
-			*bufptr++ = (char)(base >> 8);
-			*bufptr++ = (char)(base);
+	sys_copyarea(info, area);
 
-			if (rem > 255) {
-				*bufptr++ = 255;
-				*bufptr++ = (char)(source >> 16);
-				*bufptr++ = (char)(source >> 8);
-				*bufptr++ = (char)(source);
+	dlfb_handle_damage(dev, area->dx, area->dy,
+			area->width, area->height, info->screen_base);
+#endif
+	atomic_inc(&dev->copy_count);
 
-				rem -= 255;
-				base += 255 * 2;
-				source += 255 * 2;
+}
 
-			} else {
-				*bufptr++ = rem;
-				*bufptr++ = (char)(source >> 16);
-				*bufptr++ = (char)(source >> 8);
-				*bufptr++ = (char)(source);
+static void dlfb_ops_imageblit(struct fb_info *info,
+				const struct fb_image *image)
+{
+	struct dlfb_data *dev = info->par;
 
-				base += rem * 2;
-				source += rem * 2;
-				rem = 0;
-			}
-		}
+#if defined CONFIG_FB_SYS_IMAGEBLIT || defined CONFIG_FB_SYS_IMAGEBLIT_MODULE
 
-		base += (dev_info->info->var.xres * 2) - (width * 2);
-		source += (dev_info->info->var.xres * 2) - (width * 2);
-	}
+	sys_imageblit(info, image);
 
-	if (bufptr > dev_info->buf)
-		ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
+	dlfb_handle_damage(dev, image->dx, image->dy,
+			image->width, image->height, info->screen_base);
 
-	mutex_unlock(&dev_info->bulk_mutex);
+#endif
 
-	return 1;
+	atomic_inc(&dev->blit_count);
 }
 
-static void dlfb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
+static void dlfb_ops_fillrect(struct fb_info *info,
+			  const struct fb_fillrect *rect)
 {
-
 	struct dlfb_data *dev = info->par;
 
-	copyarea(dev, area->dx, area->dy, area->sx, area->sy, area->width,
-		 area->height);
+#if defined CONFIG_FB_SYS_FILLRECT || defined CONFIG_FB_SYS_FILLRECT_MODULE
 
-	/* printk("COPY AREA %d %d %d %d %d %d !!!\n", area->dx, area->dy, area->sx, area->sy, area->width, area->height); */
+	sys_fillrect(info, rect);
 
-}
+	dlfb_handle_damage(dev, rect->dx, rect->dy, rect->width,
+			      rect->height, info->screen_base);
+#endif
 
-static void dlfb_imageblit(struct fb_info *info, const struct fb_image *image)
-{
+	atomic_inc(&dev->fill_count);
 
-	int ret;
-	struct dlfb_data *dev = info->par;
-	/* printk("IMAGE BLIT (1) %d %d %d %d DEPTH %d {%p}!!!\n", image->dx, image->dy, image->width, image->height, image->depth, dev->udev); */
-	cfb_imageblit(info, image);
-	ret =
-	    image_blit(dev, image->dx, image->dy, image->width, image->height,
-		       info->screen_base);
-	/* printk("IMAGE BLIT (2) %d %d %d %d DEPTH %d {%p} %d!!!\n", image->dx, image->dy, image->width, image->height, image->depth, dev->udev, ret); */
 }
 
-static void dlfb_fillrect(struct fb_info *info,
-			  const struct fb_fillrect *region)
+static void dlfb_get_edid(struct dlfb_data *dev)
 {
-
-	unsigned char red, green, blue;
-	struct dlfb_data *dev = info->par;
-
-	memcpy(&red, &region->color, 1);
-	memcpy(&green, &region->color + 1, 1);
-	memcpy(&blue, &region->color + 2, 1);
-	draw_rect(dev, region->dx, region->dy, region->width, region->height,
-		  red, green, blue);
-	/* printk("FILL RECT %d %d !!!\n", region->dx, region->dy); */
-
+	int i;
+	int ret;
+	char rbuf[2];
+
+	for (i = 0; i < sizeof(dev->edid); i++) {
+		ret = usb_control_msg(dev->udev,
+				    usb_rcvctrlpipe(dev->udev, 0), (0x02),
+				    (0x80 | (0x02 << 5)), i << 8, 0xA1, rbuf, 2,
+				    0);
+		dev->edid[i] = rbuf[1];
+	}
 }
 
-static int dlfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
+static int dlfb_ops_ioctl(struct fb_info *info, unsigned int cmd,
+				unsigned long arg)
 {
 
-	struct dlfb_data *dev_info = info->par;
+	struct dlfb_data *dev = info->par;
 	struct dloarea *area = NULL;
 
-	if (cmd == 0xAD) {
+	if (!atomic_read(&dev->usb_active))
+		return 0;
+
+	/* TODO: Update X server to get this from sysfs instead */
+	if (cmd == DLFB_IOCTL_RETURN_EDID) {
 		char *edid = (char *)arg;
-		dlfb_edid(dev_info);
-		if (copy_to_user(edid, dev_info->edid, 128)) {
+		dlfb_get_edid(dev);
+		if (copy_to_user(edid, dev->edid, sizeof(dev->edid)))
 			return -EFAULT;
-		}
 		return 0;
 	}
 
-	if (cmd == 0xAA || cmd == 0xAB || cmd == 0xAC) {
+	/* TODO: Help propose a standard fb.h ioctl to report mmap damage */
+	if (cmd == DLFB_IOCTL_REPORT_DAMAGE) {
 
 		area = (struct dloarea *)arg;
 
@@ -634,36 +703,20 @@ static int dlfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
 
 		if (area->y > info->var.yres)
 			area->y = info->var.yres;
-	}
 
-	if (cmd == 0xAA) {
-		image_blit(dev_info, area->x, area->y, area->w, area->h,
+		atomic_set(&dev->use_defio, 0);
+
+		dlfb_handle_damage(dev, area->x, area->y, area->w, area->h,
 			   info->screen_base);
+		atomic_inc(&dev->damage_count);
 	}
-	if (cmd == 0xAC) {
-		copyfb(dev_info);
-		image_blit(dev_info, area->x, area->y, area->w, area->h,
-			   info->screen_base);
-		swapfb(dev_info);
-	} else if (cmd == 0xAB) {
-
-		if (area->x2 < 0)
-			area->x2 = 0;
-
-		if (area->y2 < 0)
-			area->y2 = 0;
 
-		copyarea(dev_info,
-			 area->x2, area->y2, area->x, area->y, area->w,
-			 area->h);
-	}
 	return 0;
 }
 
 /* taken from vesafb */
-
 static int
-dlfb_setcolreg(unsigned regno, unsigned red, unsigned green,
+dlfb_ops_setcolreg(unsigned regno, unsigned red, unsigned green,
 	       unsigned blue, unsigned transp, struct fb_info *info)
 {
 	int err = 0;
@@ -688,234 +741,698 @@ dlfb_setcolreg(unsigned regno, unsigned red, unsigned green,
 	return err;
 }
 
-static int dlfb_release(struct fb_info *info, int user)
+/*
+ * It's common for several clients to have framebuffer open simultaneously.
+ * e.g. both fbcon and X. Makes things interesting.
+ */
+static int dlfb_ops_open(struct fb_info *info, int user)
+{
+	struct dlfb_data *dev = info->par;
+
+/*	if (user == 0)
+ *		We could special case kernel mode clients (fbcon) here
+ */
+
+	mutex_lock(&dev->fb_open_lock);
+
+	dev->fb_count++;
+
+#ifdef CONFIG_FB_DEFERRED_IO
+	if ((atomic_read(&dev->use_defio)) && (info->fbdefio == NULL)) {
+		/* enable defio */
+		info->fbdefio = &dlfb_defio;
+		fb_deferred_io_init(info);
+	}
+#endif
+
+	dl_notice("open /dev/fb%d user=%d fb_info=%p count=%d\n",
+	    info->node, user, info, dev->fb_count);
+
+	mutex_unlock(&dev->fb_open_lock);
+
+	return 0;
+}
+
+static int dlfb_ops_release(struct fb_info *info, int user)
+{
+	struct dlfb_data *dev = info->par;
+
+	mutex_lock(&dev->fb_open_lock);
+
+	dev->fb_count--;
+
+#ifdef CONFIG_FB_DEFERRED_IO
+	if ((dev->fb_count == 0) && (info->fbdefio)) {
+		fb_deferred_io_cleanup(info);
+		info->fbdefio = NULL;
+		info->fbops->fb_mmap = dlfb_ops_mmap;
+	}
+#endif
+
+	dl_notice("release /dev/fb%d user=%d count=%d\n",
+		  info->node, user, dev->fb_count);
+
+	mutex_unlock(&dev->fb_open_lock);
+
+	return 0;
+}
+
+/*
+ * Called when all client interfaces to start transactions have been disabled,
+ * and all references to our device instance (dlfb_data) are released.
+ * Every transaction must have a reference, so we know are fully spun down
+ */
+static void dlfb_delete(struct kref *kref)
+{
+	struct dlfb_data *dev = container_of(kref, struct dlfb_data, kref);
+
+	if (dev->backing_buffer)
+		vfree(dev->backing_buffer);
+
+	mutex_destroy(&dev->fb_open_lock);
+
+	kfree(dev);
+}
+
+/*
+ * Called by fbdev as last part of unregister_framebuffer() process
+ * No new clients can open connections. Deallocate everything fb_info.
+ */
+static void dlfb_ops_destroy(struct fb_info *info)
+{
+	struct dlfb_data *dev = info->par;
+
+	if (info->cmap.len != 0)
+		fb_dealloc_cmap(&info->cmap);
+	if (info->monspecs.modedb)
+		fb_destroy_modedb(info->monspecs.modedb);
+	if (info->screen_base)
+		vfree(info->screen_base);
+
+	fb_destroy_modelist(&info->modelist);
+
+	framebuffer_release(info);
+
+	/* ref taken before register_framebuffer() for dlfb_data clients */
+	kref_put(&dev->kref, dlfb_delete);
+}
+
+/*
+ * Check whether a video mode is supported by the DisplayLink chip
+ * We start from monitor's modes, so don't need to filter that here
+ */
+static int dlfb_is_valid_mode(struct fb_videomode *mode,
+		struct fb_info *info)
+{
+	struct dlfb_data *dev = info->par;
+
+	if (mode->xres * mode->yres > dev->sku_pixel_limit)
+		return 0;
+
+	return 1;
+}
+
+static void dlfb_var_color_format(struct fb_var_screeninfo *var)
+{
+	const struct fb_bitfield red = { 11, 5, 0 };
+	const struct fb_bitfield green = { 5, 6, 0 };
+	const struct fb_bitfield blue = { 0, 5, 0 };
+
+	var->bits_per_pixel = 16;
+	var->red = red;
+	var->green = green;
+	var->blue = blue;
+}
+
+static int dlfb_ops_check_var(struct fb_var_screeninfo *var,
+				struct fb_info *info)
 {
-	struct dlfb_data *dev_info = info->par;
-	image_blit(dev_info, 0, 0, info->var.xres, info->var.yres,
-		   info->screen_base);
+	struct fb_videomode mode;
+
+	/* TODO: support dynamically changing framebuffer size */
+	if ((var->xres * var->yres * 2) > info->fix.smem_len)
+		return -EINVAL;
+
+	/* set device-specific elements of var unrelated to mode */
+	dlfb_var_color_format(var);
+
+	fb_var_to_videomode(&mode, var);
+
+	if (!dlfb_is_valid_mode(&mode, info))
+		return -EINVAL;
+
 	return 0;
 }
 
-static int dlfb_blank(int blank_mode, struct fb_info *info)
+static int dlfb_ops_set_par(struct fb_info *info)
 {
-	struct dlfb_data *dev_info = info->par;
-	char *bufptr = dev_info->buf;
+	struct dlfb_data *dev = info->par;
+
+	dl_notice("set_par mode %dx%d\n", info->var.xres, info->var.yres);
 
-	bufptr = dlfb_set_register(bufptr, 0xFF, 0x00);
+	return dlfb_set_video_mode(dev, &info->var);
+}
+
+static int dlfb_ops_blank(int blank_mode, struct fb_info *info)
+{
+	struct dlfb_data *dev = info->par;
+	char *bufptr;
+	struct urb *urb;
+
+	urb = dlfb_get_urb(dev);
+	if (!urb)
+		return 0;
+	bufptr = (char *) urb->transfer_buffer;
+
+	/* overloading usb_active.  UNBLANK can conflict with teardown */
+
+	bufptr = dlfb_vidreg_lock(bufptr);
 	if (blank_mode != FB_BLANK_UNBLANK) {
-		bufptr = dlfb_set_register(bufptr, 0x1F, 0x01);
+		atomic_set(&dev->usb_active, 0);
+		bufptr = dlfb_enable_hvsync(bufptr, false);
 	} else {
-		bufptr = dlfb_set_register(bufptr, 0x1F, 0x00);
+		atomic_set(&dev->usb_active, 1);
+		bufptr = dlfb_enable_hvsync(bufptr, true);
 	}
-	bufptr = dlfb_set_register(bufptr, 0xFF, 0xFF);
+	bufptr = dlfb_vidreg_unlock(bufptr);
 
-	dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
+	dlfb_submit_urb(dev, urb, bufptr - (char *) urb->transfer_buffer);
 
 	return 0;
 }
 
 static struct fb_ops dlfb_ops = {
-	.fb_setcolreg = dlfb_setcolreg,
-	.fb_fillrect = dlfb_fillrect,
-	.fb_copyarea = dlfb_copyarea,
-	.fb_imageblit = dlfb_imageblit,
-	.fb_mmap = dlfb_mmap,
-	.fb_ioctl = dlfb_ioctl,
-	.fb_release = dlfb_release,
-	.fb_blank = dlfb_blank,
+	.owner = THIS_MODULE,
+	.fb_setcolreg = dlfb_ops_setcolreg,
+	.fb_fillrect = dlfb_ops_fillrect,
+	.fb_copyarea = dlfb_ops_copyarea,
+	.fb_imageblit = dlfb_ops_imageblit,
+	.fb_mmap = dlfb_ops_mmap,
+	.fb_ioctl = dlfb_ops_ioctl,
+	.fb_open = dlfb_ops_open,
+	.fb_release = dlfb_ops_release,
+	.fb_blank = dlfb_ops_blank,
+	.fb_check_var = dlfb_ops_check_var,
+	.fb_set_par = dlfb_ops_set_par,
 };
 
-static int
-dlfb_probe(struct usb_interface *interface, const struct usb_device_id *id)
+/*
+ * Calls dlfb_get_edid() to query the EDID of attached monitor via usb cmds
+ * Then parses EDID into three places used by various parts of fbdev:
+ * fb_var_screeninfo contains the timing of the monitor's preferred mode
+ * fb_info.monspecs is full parsed EDID info, including monspecs.modedb
+ * fb_info.modelist is a linked list of all monitor & VESA modes which work
+ *
+ * If EDID is not readable/valid, then modelist is all VESA modes,
+ * monspecs is NULL, and fb_var_screeninfo is set to safe VESA mode
+ * Returns 0 if EDID parses successfully
+ */
+static int dlfb_parse_edid(struct dlfb_data *dev,
+			    struct fb_var_screeninfo *var,
+			    struct fb_info *info)
 {
-	struct dlfb_data *dev_info;
-	struct fb_info *info;
+	int i;
+	const struct fb_videomode *default_vmode = NULL;
+	int result = 0;
 
-	int ret;
-	char rbuf[4];
+	fb_destroy_modelist(&info->modelist);
+	memset(&info->monspecs, 0, sizeof(info->monspecs));
 
-	dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
-	if (dev_info == NULL) {
-		printk("cannot allocate dev_info structure.\n");
-		return -ENOMEM;
+	dlfb_get_edid(dev);
+	fb_edid_to_monspecs(dev->edid, &info->monspecs);
+
+	if (info->monspecs.modedb_len > 0) {
+
+		for (i = 0; i < info->monspecs.modedb_len; i++) {
+			if (dlfb_is_valid_mode(&info->monspecs.modedb[i], info))
+				fb_add_videomode(&info->monspecs.modedb[i],
+					&info->modelist);
+		}
+
+		default_vmode = fb_find_best_display(&info->monspecs,
+						     &info->modelist);
+	} else {
+		struct fb_videomode fb_vmode = {0};
+
+		dl_err("Unable to get valid EDID from device/display\n");
+		result = 1;
+
+		/*
+		 * Add the standard VESA modes to our modelist
+		 * Since we don't have EDID, there may be modes that
+		 * overspec monitor and/or are incorrect aspect ratio, etc.
+		 * But at least the user has a chance to choose
+		 */
+		for (i = 0; i < VESA_MODEDB_SIZE; i++) {
+			if (dlfb_is_valid_mode((struct fb_videomode *)
+						&vesa_modes[i], info))
+				fb_add_videomode(&vesa_modes[i],
+						 &info->modelist);
+		}
+
+		/*
+		 * default to resolution safe for projectors
+		 * (since they are most common case without EDID)
+		 */
+		fb_vmode.xres = 800;
+		fb_vmode.yres = 600;
+		fb_vmode.refresh = 60;
+		default_vmode = fb_find_nearest_mode(&fb_vmode,
+						     &info->modelist);
 	}
 
-	mutex_init(&dev_info->bulk_mutex);
+	fb_videomode_to_var(var, default_vmode);
+	dlfb_var_color_format(var);
 
-	dev_info->udev = usb_get_dev(interface_to_usbdev(interface));
-	dev_info->interface = interface;
+	return result;
+}
 
-	printk("DisplayLink device attached\n");
+static ssize_t metrics_bytes_rendered_show(struct device *fbdev,
+				   struct device_attribute *a, char *buf) {
+	struct fb_info *fb_info = dev_get_drvdata(fbdev);
+	struct dlfb_data *dev = fb_info->par;
+	return snprintf(buf, PAGE_SIZE, "%u\n",
+			atomic_read(&dev->bytes_rendered));
+}
 
-	/* add framebuffer info to usb interface */
-	usb_set_intfdata(interface, dev_info);
+static ssize_t metrics_bytes_identical_show(struct device *fbdev,
+				   struct device_attribute *a, char *buf) {
+	struct fb_info *fb_info = dev_get_drvdata(fbdev);
+	struct dlfb_data *dev = fb_info->par;
+	return snprintf(buf, PAGE_SIZE, "%u\n",
+			atomic_read(&dev->bytes_identical));
+}
 
-	dev_info->buf = kmalloc(BUF_SIZE, GFP_KERNEL);
-	/* usb_buffer_alloc(dev_info->udev, BUF_SIZE , GFP_KERNEL, &dev_info->tx_urb->transfer_dma); */
+static ssize_t metrics_bytes_sent_show(struct device *fbdev,
+				   struct device_attribute *a, char *buf) {
+	struct fb_info *fb_info = dev_get_drvdata(fbdev);
+	struct dlfb_data *dev = fb_info->par;
+	return snprintf(buf, PAGE_SIZE, "%u\n",
+			atomic_read(&dev->bytes_sent));
+}
 
-	if (dev_info->buf == NULL) {
-		printk("unable to allocate memory for dlfb commands\n");
-		goto out;
-	}
-	dev_info->bufend = dev_info->buf + BUF_SIZE;
+static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev,
+				   struct device_attribute *a, char *buf) {
+	struct fb_info *fb_info = dev_get_drvdata(fbdev);
+	struct dlfb_data *dev = fb_info->par;
+	return snprintf(buf, PAGE_SIZE, "%u\n",
+			atomic_read(&dev->cpu_kcycles_used));
+}
 
-	dev_info->tx_urb = usb_alloc_urb(0, GFP_KERNEL);
-	usb_fill_bulk_urb(dev_info->tx_urb, dev_info->udev,
-			  usb_sndbulkpipe(dev_info->udev, 1), dev_info->buf, 0,
-			  dlfb_bulk_callback, dev_info);
+static ssize_t metrics_misc_show(struct device *fbdev,
+				   struct device_attribute *a, char *buf) {
+	struct fb_info *fb_info = dev_get_drvdata(fbdev);
+	struct dlfb_data *dev = fb_info->par;
+	return snprintf(buf, PAGE_SIZE,
+			"Calls to\ndamage: %u\nblit: %u\n"
+			"defio faults: %u\ncopy: %u\n"
+			"fill: %u\n\n"
+			"active framebuffer clients: %d\n"
+			"urbs available %d(%d)\n"
+			"Shadow framebuffer in use? %s\n"
+			"Any lost pixels? %s\n",
+			atomic_read(&dev->damage_count),
+			atomic_read(&dev->blit_count),
+			atomic_read(&dev->defio_fault_count),
+			atomic_read(&dev->copy_count),
+			atomic_read(&dev->fill_count),
+			dev->fb_count,
+			dev->urbs.available, dev->urbs.limit_sem.count,
+			(dev->backing_buffer) ? "yes" : "no",
+			atomic_read(&dev->lost_pixels) ? "yes" : "no");
+}
 
-	ret =
-	    usb_control_msg(dev_info->udev, usb_rcvctrlpipe(dev_info->udev, 0),
-			    (0x06), (0x80 | (0x02 << 5)), 0, 0, rbuf, 4, 0);
-	printk("ret control msg 0: %d %x%x%x%x\n", ret, rbuf[0], rbuf[1],
-	       rbuf[2], rbuf[3]);
+static ssize_t edid_show(struct kobject *kobj, struct bin_attribute *a,
+			 char *buf, loff_t off, size_t count) {
+	struct device *fbdev = container_of(kobj, struct device, kobj);
+	struct fb_info *fb_info = dev_get_drvdata(fbdev);
+	struct dlfb_data *dev = fb_info->par;
+	char *edid = &dev->edid[0];
+	const size_t size = sizeof(dev->edid);
 
-	dlfb_edid(dev_info);
+	if (dlfb_parse_edid(dev, &fb_info->var, fb_info))
+		return 0;
 
-	info = framebuffer_alloc(sizeof(u32) * 256, &dev_info->udev->dev);
+	if (off >= size)
+		return 0;
 
-	if (!info) {
-		printk("non posso allocare il framebuffer displaylink");
-		goto out;
-	}
+	if (off + count > size)
+		count = size - off;
+	memcpy(buf, edid + off, count);
 
-	fb_parse_edid(dev_info->edid, &info->var);
+	return count;
+}
 
-	printk("EDID XRES %d YRES %d\n", info->var.xres, info->var.yres);
 
-	if (dlfb_set_video_mode(dev_info, info->var.xres, info->var.yres) != 0) {
-		info->var.xres = 1280;
-		info->var.yres = 1024;
-		if (dlfb_set_video_mode
-		    (dev_info, info->var.xres, info->var.yres) != 0) {
-			goto out;
-		}
+static ssize_t metrics_reset_store(struct device *fbdev,
+			   struct device_attribute *attr,
+			   const char *buf, size_t count)
+{
+	struct fb_info *fb_info = dev_get_drvdata(fbdev);
+	struct dlfb_data *dev = fb_info->par;
+
+	atomic_set(&dev->bytes_rendered, 0);
+	atomic_set(&dev->bytes_identical, 0);
+	atomic_set(&dev->bytes_sent, 0);
+	atomic_set(&dev->cpu_kcycles_used, 0);
+	atomic_set(&dev->blit_count, 0);
+	atomic_set(&dev->copy_count, 0);
+	atomic_set(&dev->fill_count, 0);
+	atomic_set(&dev->defio_fault_count, 0);
+	atomic_set(&dev->damage_count, 0);
+
+	return count;
+}
+
+static ssize_t use_defio_show(struct device *fbdev,
+				   struct device_attribute *a, char *buf) {
+	struct fb_info *fb_info = dev_get_drvdata(fbdev);
+	struct dlfb_data *dev = fb_info->par;
+	return snprintf(buf, PAGE_SIZE, "%d\n",
+			atomic_read(&dev->use_defio));
+}
+
+static ssize_t use_defio_store(struct device *fbdev,
+			   struct device_attribute *attr,
+			   const char *buf, size_t count)
+{
+	struct fb_info *fb_info = dev_get_drvdata(fbdev);
+	struct dlfb_data *dev = fb_info->par;
+
+	if (count > 0) {
+		if (buf[0] == '0')
+			atomic_set(&dev->use_defio, 0);
+		if (buf[0] == '1')
+			atomic_set(&dev->use_defio, 1);
 	}
+	return count;
+}
 
-	printk("found valid mode...%d\n", info->var.pixclock);
+static struct bin_attribute edid_attr = {
+	.attr.name = "edid",
+	.attr.mode = 0444,
+	.size = 128,
+	.read = edid_show,
+};
 
-	info->pseudo_palette = info->par;
-	info->par = dev_info;
+static struct device_attribute fb_device_attrs[] = {
+	__ATTR_RO(metrics_bytes_rendered),
+	__ATTR_RO(metrics_bytes_identical),
+	__ATTR_RO(metrics_bytes_sent),
+	__ATTR_RO(metrics_cpu_kcycles_used),
+	__ATTR_RO(metrics_misc),
+	__ATTR(metrics_reset, S_IWUGO, NULL, metrics_reset_store),
+	__ATTR_RW(use_defio),
+};
 
-	dev_info->info = info;
+#ifdef CONFIG_FB_DEFERRED_IO
+static void dlfb_dpy_deferred_io(struct fb_info *info,
+				struct list_head *pagelist)
+{
+	struct page *cur;
+	struct fb_deferred_io *fbdefio = info->fbdefio;
+	struct dlfb_data *dev = info->par;
+	struct urb *urb;
+	char *cmd;
+	cycles_t start_cycles, end_cycles;
+	int bytes_sent = 0;
+	int bytes_identical = 0;
+	int bytes_rendered = 0;
+	int fault_count = 0;
+
+	if (!atomic_read(&dev->use_defio))
+		return;
 
-	info->flags =
-	    FBINFO_DEFAULT | FBINFO_READS_FAST | FBINFO_HWACCEL_IMAGEBLIT |
-	    FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT;
-	info->fbops = &dlfb_ops;
-	info->screen_base = rvmalloc(dev_info->screen_size);
+	if (!atomic_read(&dev->usb_active))
+		return;
+
+	start_cycles = get_cycles();
 
-	if (info->screen_base == NULL) {
-		printk
-		    ("cannot allocate framebuffer virtual memory of %d bytes\n",
-		     dev_info->screen_size);
-		goto out0;
+	urb = dlfb_get_urb(dev);
+	if (!urb)
+		return;
+	cmd = urb->transfer_buffer;
+
+	/* walk the written page list and render each to device */
+	list_for_each_entry(cur, &fbdefio->pagelist, lru) {
+		dlfb_render_hline(dev, &urb, (char *) info->fix.smem_start,
+				  &cmd, cur->index << PAGE_SHIFT,
+				  PAGE_SIZE, &bytes_identical, &bytes_sent);
+		bytes_rendered += PAGE_SIZE;
+		fault_count++;
 	}
 
-	printk("screen base allocated !!!\n");
+	if (cmd > (char *) urb->transfer_buffer) {
+		/* Send partial buffer remaining before exiting */
+		int len = cmd - (char *) urb->transfer_buffer;
+		dlfb_submit_urb(dev, urb, len);
+		bytes_sent += len;
+	} else
+		dlfb_urb_completion(urb);
+
+	atomic_add(fault_count, &dev->defio_fault_count);
+	atomic_add(bytes_sent, &dev->bytes_sent);
+	atomic_add(bytes_identical, &dev->bytes_identical);
+	atomic_add(bytes_rendered, &dev->bytes_rendered);
+	end_cycles = get_cycles();
+	atomic_add(((unsigned int) ((end_cycles - start_cycles)
+		    >> 10)), /* Kcycles */
+		   &dev->cpu_kcycles_used);
+}
 
-	dev_info->backing_buffer = kzalloc(dev_info->screen_size, GFP_KERNEL);
+static struct fb_deferred_io dlfb_defio = {
+	.delay          = 5,
+	.deferred_io    = dlfb_dpy_deferred_io,
+};
 
-	if (!dev_info->backing_buffer)
-		printk("non posso allocare il backing buffer\n");
+#endif
 
-	/* info->var = dev_info->si; */
+/*
+ * This is necessary before we can communicate with the display controller.
+ */
+static int dlfb_select_std_channel(struct dlfb_data *dev)
+{
+	int ret;
+	u8 set_def_chn[] = {	   0x57, 0xCD, 0xDC, 0xA7,
+				0x1C, 0x88, 0x5E, 0x15,
+				0x60, 0xFE, 0xC6, 0x97,
+				0x16, 0x3D, 0x47, 0xF2  };
+
+	ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),
+			NR_USB_REQUEST_CHANNEL,
+			(USB_DIR_OUT | USB_TYPE_VENDOR), 0, 0,
+			set_def_chn, sizeof(set_def_chn), USB_CTRL_SET_TIMEOUT);
+	return ret;
+}
 
-	info->var.bits_per_pixel = 16;
-	info->var.activate = FB_ACTIVATE_TEST;
-	info->var.vmode = FB_VMODE_NONINTERLACED;
 
-	info->var.red.offset = 11;
-	info->var.red.length = 5;
-	info->var.red.msb_right = 0;
+static int dlfb_usb_probe(struct usb_interface *interface,
+			const struct usb_device_id *id)
+{
+	struct usb_device *usbdev;
+	struct dlfb_data *dev;
+	struct fb_info *info;
+	int videomemorysize;
+	int i;
+	unsigned char *videomemory;
+	int retval = -ENOMEM;
+	struct fb_var_screeninfo *var;
+	int registered = 0;
+	u16 *pix_framebuffer;
+
+	/* usb initialization */
+
+	usbdev = interface_to_usbdev(interface);
+
+	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
+	if (dev == NULL) {
+		err("dlfb_usb_probe: failed alloc of dev struct\n");
+		goto error;
+	}
 
-	info->var.green.offset = 5;
-	info->var.green.length = 6;
-	info->var.green.msb_right = 0;
+	/* we need to wait for both usb and fbdev to spin down on disconnect */
+	kref_init(&dev->kref); /* matching kref_put in usb .disconnect fn */
+	kref_get(&dev->kref); /* matching kref_put in .fb_destroy function*/
 
-	info->var.blue.offset = 0;
-	info->var.blue.length = 5;
-	info->var.blue.msb_right = 0;
+	dev->udev = usbdev;
+	dev->gdev = &usbdev->dev; /* our generic struct device * */
+	usb_set_intfdata(interface, dev);
 
-	/* info->var.pixclock =  (10000000 / FB_W * 1000 / FB_H)/2 ; */
+	if (!dlfb_alloc_urb_list(dev, WRITES_IN_FLIGHT, MAX_TRANSFER)) {
+		retval = -ENOMEM;
+		dl_err("dlfb_alloc_urb_list failed\n");
+		goto error;
+	}
 
-	info->fix.smem_start = (unsigned long)info->screen_base;
-	info->fix.smem_len = PAGE_ALIGN(dev_info->screen_size);
-	if (strlen(dev_info->udev->product) > 15) {
-		memcpy(info->fix.id, dev_info->udev->product, 15);
-	} else {
-		memcpy(info->fix.id, dev_info->udev->product,
-		       strlen(dev_info->udev->product));
+	mutex_init(&dev->fb_open_lock);
+
+	/* We don't register a new USB class. Our client interface is fbdev */
+
+	/* allocates framebuffer driver structure, not framebuffer memory */
+	info = framebuffer_alloc(0, &usbdev->dev);
+	if (!info) {
+		retval = -ENOMEM;
+		dl_err("framebuffer_alloc failed\n");
+		goto error;
+	}
+	dev->info = info;
+	info->par = dev;
+	info->pseudo_palette = dev->pseudo_palette;
+	info->fbops = &dlfb_ops;
+
+	var = &info->var;
+
+	/* TODO set limit based on actual SKU detection */
+	dev->sku_pixel_limit = 2048 * 1152;
+
+	INIT_LIST_HEAD(&info->modelist);
+	dlfb_parse_edid(dev, var, info);
+
+	/*
+	 * ok, now that we've got the size info, we can alloc our framebuffer.
+	 */
+	info->fix = dlfb_fix;
+	info->fix.line_length = var->xres * (var->bits_per_pixel / 8);
+	videomemorysize = info->fix.line_length * var->yres;
+
+	/*
+	 * The big chunk of system memory we use as a virtual framebuffer.
+	 * TODO: Handle fbcon cursor code calling blit in interrupt context
+	 */
+	videomemory = vmalloc(videomemorysize);
+	if (!videomemory) {
+		retval = -ENOMEM;
+		dl_err("Virtual framebuffer alloc failed\n");
+		goto error;
 	}
-	info->fix.type = FB_TYPE_PACKED_PIXELS;
-	info->fix.visual = FB_VISUAL_TRUECOLOR;
-	info->fix.accel = info->flags;
-	info->fix.line_length = dev_info->line_length;
 
-	if (fb_alloc_cmap(&info->cmap, 256, 0) < 0)
-		goto out1;
+	info->screen_base = videomemory;
+	info->fix.smem_len = PAGE_ALIGN(videomemorysize);
+	info->fix.smem_start = (unsigned long) videomemory;
+	info->flags = udlfb_info_flags;
+
+
+	/*
+	 * Second framebuffer copy, mirroring the state of the framebuffer
+	 * on the physical USB device. We can function without this.
+	 * But with imperfect damage info we may end up sending pixels over USB
+	 * that were, in fact, unchanged -- wasting limited USB bandwidth
+	 */
+	dev->backing_buffer = vmalloc(videomemorysize);
+	if (!dev->backing_buffer)
+		dl_warn("No shadow/backing buffer allcoated\n");
+	else
+		memset(dev->backing_buffer, 0, videomemorysize);
+
+	retval = fb_alloc_cmap(&info->cmap, 256, 0);
+	if (retval < 0) {
+		dl_err("fb_alloc_cmap failed %x\n", retval);
+		goto error;
+	}
+
+	/* ready to begin using device */
+
+#ifdef CONFIG_FB_DEFERRED_IO
+	atomic_set(&dev->use_defio, 1);
+#endif
+	atomic_set(&dev->usb_active, 1);
+	dlfb_select_std_channel(dev);
+
+	dlfb_ops_check_var(var, info);
+	dlfb_ops_set_par(info);
+
+	/* paint greenscreen */
+	pix_framebuffer = (u16 *) videomemory;
+	for (i = 0; i < videomemorysize / 2; i++)
+		pix_framebuffer[i] = 0x37e6;
+
+	dlfb_handle_damage(dev, 0, 0, info->var.xres, info->var.yres,
+				videomemory);
 
-	printk("colormap allocated\n");
-	if (register_framebuffer(info) < 0)
-		goto out2;
+	retval = register_framebuffer(info);
+	if (retval < 0) {
+		dl_err("register_framebuffer failed %d\n", retval);
+		goto error;
+	}
+	registered = 1;
+
+	for (i = 0; i < ARRAY_SIZE(fb_device_attrs); i++)
+		device_create_file(info->dev, &fb_device_attrs[i]);
 
-	draw_rect(dev_info, 0, 0, dev_info->info->var.xres,
-		  dev_info->info->var.yres, 0x30, 0xff, 0x30);
+	device_create_bin_file(info->dev, &edid_attr);
 
+	dl_err("DisplayLink USB device /dev/fb%d attached. %dx%d resolution."
+			" Using %dK framebuffer memory\n", info->node,
+			var->xres, var->yres,
+			((dev->backing_buffer) ?
+			videomemorysize * 2 : videomemorysize) >> 10);
 	return 0;
 
-out2:
-	fb_dealloc_cmap(&info->cmap);
-out1:
-	rvfree(info->screen_base, dev_info->screen_size);
-out0:
-	framebuffer_release(info);
-out:
-	usb_set_intfdata(interface, NULL);
-	usb_put_dev(dev_info->udev);
-	kfree(dev_info);
-	return -ENOMEM;
+error:
+	if (dev) {
+		if (registered) {
+			unregister_framebuffer(info);
+			dlfb_ops_destroy(info);
+		} else
+			kref_put(&dev->kref, dlfb_delete);
+
+		if (dev->urbs.count > 0)
+			dlfb_free_urb_list(dev);
+		kref_put(&dev->kref, dlfb_delete); /* last ref from kref_init */
+
+		/* dev has been deallocated. Do not dereference */
+	}
 
+	return retval;
 }
 
-static void dlfb_disconnect(struct usb_interface *interface)
+static void dlfb_usb_disconnect(struct usb_interface *interface)
 {
-	struct dlfb_data *dev_info = usb_get_intfdata(interface);
+	struct dlfb_data *dev;
+	struct fb_info *info;
+	int i;
+
+	dev = usb_get_intfdata(interface);
+	info = dev->info;
 
-	mutex_unlock(&dev_info->bulk_mutex);
+	/* when non-active we'll update virtual framebuffer, but no new urbs */
+	atomic_set(&dev->usb_active, 0);
 
-	usb_kill_urb(dev_info->tx_urb);
-	usb_free_urb(dev_info->tx_urb);
 	usb_set_intfdata(interface, NULL);
-	usb_put_dev(dev_info->udev);
 
-	if (dev_info->info) {
-		unregister_framebuffer(dev_info->info);
-		fb_dealloc_cmap(&dev_info->info->cmap);
-		rvfree(dev_info->info->screen_base, dev_info->screen_size);
-		kfree(dev_info->backing_buffer);
-		framebuffer_release(dev_info->info);
+	for (i = 0; i < ARRAY_SIZE(fb_device_attrs); i++)
+		device_remove_file(info->dev, &fb_device_attrs[i]);
+
+	device_remove_bin_file(info->dev, &edid_attr);
 
+	/* this function will wait for all in-flight urbs to complete */
+	dlfb_free_urb_list(dev);
+
+	if (info) {
+		dl_notice("Detaching /dev/fb%d\n", info->node);
+		unregister_framebuffer(info);
+		dlfb_ops_destroy(info);
 	}
 
-	kfree(dev_info);
+	/* release reference taken by kref_init in probe() */
+	kref_put(&dev->kref, dlfb_delete);
+
+	/* consider dlfb_data freed */
 
-	printk("DisplayLink device disconnected\n");
+	return;
 }
 
 static struct usb_driver dlfb_driver = {
 	.name = "udlfb",
-	.probe = dlfb_probe,
-	.disconnect = dlfb_disconnect,
+	.probe = dlfb_usb_probe,
+	.disconnect = dlfb_usb_disconnect,
 	.id_table = id_table,
 };
 
-static int __init dlfb_init(void)
+static int __init dlfb_module_init(void)
 {
 	int res;
 
-	dlfb_init_modes();
-
 	res = usb_register(&dlfb_driver);
 	if (res)
 		err("usb_register failed. Error number %d", res);
@@ -925,14 +1442,186 @@ static int __init dlfb_init(void)
 	return res;
 }
 
-static void __exit dlfb_exit(void)
+static void __exit dlfb_module_exit(void)
 {
 	usb_deregister(&dlfb_driver);
 }
 
-module_init(dlfb_init);
-module_exit(dlfb_exit);
+module_init(dlfb_module_init);
+module_exit(dlfb_module_exit);
 
-MODULE_AUTHOR("Roberto De Ioris <roberto@unbit.it>");
-MODULE_DESCRIPTION(DRIVER_VERSION);
+static void dlfb_urb_completion(struct urb *urb)
+{
+	struct urb_node *unode = urb->context;
+	struct dlfb_data *dev = unode->dev;
+	unsigned long flags;
+
+	/* sync/async unlink faults aren't errors */
+	if (urb->status) {
+		if (!(urb->status == -ENOENT ||
+		    urb->status == -ECONNRESET ||
+		    urb->status == -ESHUTDOWN)) {
+			dl_err("%s - nonzero write bulk status received: %d\n",
+				__func__, urb->status);
+			atomic_set(&dev->lost_pixels, 1);
+		}
+	}
+
+	urb->transfer_buffer_length = dev->urbs.size; /* reset to actual */
+
+	spin_lock_irqsave(&dev->urbs.lock, flags);
+	list_add_tail(&unode->entry, &dev->urbs.list);
+	dev->urbs.available++;
+	spin_unlock_irqrestore(&dev->urbs.lock, flags);
+
+	up(&dev->urbs.limit_sem);
+}
+
+static void dlfb_free_urb_list(struct dlfb_data *dev)
+{
+	int count = dev->urbs.count;
+	struct list_head *node;
+	struct urb_node *unode;
+	struct urb *urb;
+	int ret;
+	unsigned long flags;
+
+	dl_notice("Waiting for completes and freeing all render urbs\n");
+
+	/* keep waiting and freeing, until we've got 'em all */
+	while (count--) {
+		/* Timeout means a memory leak and/or fault */
+		ret = down_timeout(&dev->urbs.limit_sem, FREE_URB_TIMEOUT);
+		if (ret) {
+			BUG_ON(ret);
+			break;
+		}
+		spin_lock_irqsave(&dev->urbs.lock, flags);
+
+		node = dev->urbs.list.next; /* have reserved one with sem */
+		list_del_init(node);
+
+		spin_unlock_irqrestore(&dev->urbs.lock, flags);
+
+		unode = list_entry(node, struct urb_node, entry);
+		urb = unode->urb;
+
+		/* Free each separately allocated piece */
+		usb_buffer_free(urb->dev, dev->urbs.size,
+			urb->transfer_buffer, urb->transfer_dma);
+		usb_free_urb(urb);
+		kfree(node);
+	}
+
+	kref_put(&dev->kref, dlfb_delete);
+
+}
+
+static int dlfb_alloc_urb_list(struct dlfb_data *dev, int count, size_t size)
+{
+	int i = 0;
+	struct urb *urb;
+	struct urb_node *unode;
+	char *buf;
+
+	spin_lock_init(&dev->urbs.lock);
+
+	dev->urbs.size = size;
+	INIT_LIST_HEAD(&dev->urbs.list);
+
+	while (i < count) {
+		unode = kzalloc(sizeof(struct urb_node), GFP_KERNEL);
+		if (!unode)
+			break;
+		unode->dev = dev;
+
+		urb = usb_alloc_urb(0, GFP_KERNEL);
+		if (!urb) {
+			kfree(unode);
+			break;
+		}
+		unode->urb = urb;
+
+		buf = usb_buffer_alloc(dev->udev, MAX_TRANSFER, GFP_KERNEL,
+					&urb->transfer_dma);
+		if (!buf) {
+			kfree(unode);
+			usb_free_urb(urb);
+			break;
+		}
+
+		/* urb->transfer_buffer_length set to actual before submit */
+		usb_fill_bulk_urb(urb, dev->udev, usb_sndbulkpipe(dev->udev, 1),
+			buf, size, dlfb_urb_completion, unode);
+		urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+		list_add_tail(&unode->entry, &dev->urbs.list);
+
+		i++;
+	}
+
+	sema_init(&dev->urbs.limit_sem, i);
+	dev->urbs.count = i;
+	dev->urbs.available = i;
+
+	kref_get(&dev->kref); /* released in free_render_urbs() */
+
+	dl_notice("allocated %d %d byte urbs \n", i, (int) size);
+
+	return i;
+}
+
+static struct urb *dlfb_get_urb(struct dlfb_data *dev)
+{
+	int ret = 0;
+	struct list_head *entry;
+	struct urb_node *unode;
+	struct urb *urb = NULL;
+	unsigned long flags;
+
+	/* Wait for an in-flight buffer to complete and get re-queued */
+	ret = down_timeout(&dev->urbs.limit_sem, GET_URB_TIMEOUT);
+	if (ret) {
+		atomic_set(&dev->lost_pixels, 1);
+		dl_err("wait for urb interrupted: %x\n", ret);
+		goto error;
+	}
+
+	spin_lock_irqsave(&dev->urbs.lock, flags);
+
+	BUG_ON(list_empty(&dev->urbs.list)); /* reserved one with limit_sem */
+	entry = dev->urbs.list.next;
+	list_del_init(entry);
+	dev->urbs.available--;
+
+	spin_unlock_irqrestore(&dev->urbs.lock, flags);
+
+	unode = list_entry(entry, struct urb_node, entry);
+	urb = unode->urb;
+
+error:
+	return urb;
+}
+
+static int dlfb_submit_urb(struct dlfb_data *dev, struct urb *urb, size_t len)
+{
+	int ret;
+
+	BUG_ON(len > dev->urbs.size);
+
+	urb->transfer_buffer_length = len; /* set to actual payload len */
+	ret = usb_submit_urb(urb, GFP_KERNEL);
+	if (ret) {
+		dlfb_urb_completion(urb); /* because no one else will */
+		atomic_set(&dev->lost_pixels, 1);
+		dl_err("usb_submit_urb error %x\n", ret);
+	}
+	return ret;
+}
+
+MODULE_AUTHOR("Roberto De Ioris <roberto@unbit.it>, "
+	      "Jaya Kumar <jayakumar.lkml@gmail.com>, "
+	      "Bernie Thompson <bernie@plugable.com>");
+MODULE_DESCRIPTION("DisplayLink kernel framebuffer driver");
 MODULE_LICENSE("GPL");
+
diff --git a/drivers/staging/udlfb/udlfb.h b/drivers/staging/udlfb/udlfb.h
index 40ad85ea8e67..b07a69371f1f 100644
--- a/drivers/staging/udlfb/udlfb.h
+++ b/drivers/staging/udlfb/udlfb.h
@@ -1,225 +1,106 @@
 #ifndef UDLFB_H
 #define UDLFB_H
 
-#define MAX_VMODES	4
-#define FB_BPP		16
+/*
+ * TODO: Propose standard fb.h ioctl for reporting damage,
+ * using _IOWR() and one of the existing area structs from fb.h
+ * Consider these ioctls deprecated, but they're still used by the
+ * DisplayLink X server as yet - need both to be modified in tandem
+ * when new ioctl(s) are ready.
+ */
+#define DLFB_IOCTL_RETURN_EDID	 0xAD
+#define DLFB_IOCTL_REPORT_DAMAGE 0xAA
+struct dloarea {
+	int x, y;
+	int w, h;
+	int x2, y2;
+};
 
-#define STD_CHANNEL	"\x57\xCD\xDC\xA7\x1C\x88\x5E\x15"	\
-			"\x60\xFE\xC6\x97\x16\x3D\x47\xF2"
+struct urb_node {
+	struct list_head entry;
+	struct dlfb_data *dev;
+	struct urb *urb;
+};
 
-/* as libdlo */
-#define BUF_HIGH_WATER_MARK	1024
-#define BUF_SIZE		(64*1024)
+struct urb_list {
+	struct list_head list;
+	spinlock_t lock;
+	struct semaphore limit_sem;
+	int available;
+	int count;
+	size_t size;
+};
 
 struct dlfb_data {
 	struct usb_device *udev;
-	struct usb_interface *interface;
-	struct urb *tx_urb, *ctrl_urb;
-	struct usb_ctrlrequest dr;
+	struct device *gdev; /* &udev->dev */
 	struct fb_info *info;
-	char *buf;
-	char *bufend;
+	struct urb_list urbs;
+	struct kref kref;
 	char *backing_buffer;
-	struct mutex bulk_mutex;
+	struct delayed_work deferred_work;
+	struct mutex fb_open_lock;
+	int fb_count;
+	atomic_t usb_active; /* 0 = update virtual buffer, but no usb traffic */
+	atomic_t lost_pixels; /* 1 = a render op failed. Need screen refresh */
+	atomic_t use_defio; /* 0 = rely on ioctls and blit/copy/fill rects */
 	char edid[128];
-	int screen_size;
-	int line_length;
-	struct completion done;
+	int sku_pixel_limit;
 	int base16;
-	int base16d;
 	int base8;
-	int base8d;
+	u32 pseudo_palette[256];
+	/* blit-only rendering path metrics, exposed through sysfs */
+	atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */
+	atomic_t bytes_identical; /* saved effort with backbuffer comparison */
+	atomic_t bytes_sent; /* to usb, after compression including overhead */
+	atomic_t cpu_kcycles_used; /* transpired during pixel processing */
+	/* interface usage metrics. Clients can call driver via several */
+	atomic_t blit_count;
+	atomic_t copy_count;
+	atomic_t fill_count;
+	atomic_t damage_count;
+	atomic_t defio_fault_count;
 };
 
-struct dlfb_video_mode {
-	uint8_t col;
-	uint32_t hclock;
-	uint32_t vclock;
-	uint8_t unknown1[6];
-	uint16_t xres;
-	uint8_t unknown2[6];
-	uint16_t yres;
-	uint8_t unknown3[4];
-} __attribute__ ((__packed__));
-
-static struct dlfb_video_mode dlfb_video_modes[MAX_VMODES];
-
-static void dlfb_bulk_callback(struct urb *urb)
-{
-	struct dlfb_data *dev_info = urb->context;
-	complete(&dev_info->done);
-}
-
-static void dlfb_edid(struct dlfb_data *dev_info)
-{
-	int i;
-	int ret;
-	char rbuf[2];
-
-	for (i = 0; i < 128; i++) {
-		ret =
-		    usb_control_msg(dev_info->udev,
-				    usb_rcvctrlpipe(dev_info->udev, 0), (0x02),
-				    (0x80 | (0x02 << 5)), i << 8, 0xA1, rbuf, 2,
-				    0);
-		/*printk("ret control msg edid %d: %d [%d]\n",i, ret, rbuf[1]); */
-		dev_info->edid[i] = rbuf[1];
-	}
-
-}
-
-static int dlfb_bulk_msg(struct dlfb_data *dev_info, int len)
-{
-	int ret;
-
-	init_completion(&dev_info->done);
-
-	dev_info->tx_urb->actual_length = 0;
-	dev_info->tx_urb->transfer_buffer_length = len;
-
-	ret = usb_submit_urb(dev_info->tx_urb, GFP_KERNEL);
-	if (!wait_for_completion_timeout(&dev_info->done, 1000)) {
-		usb_kill_urb(dev_info->tx_urb);
-		printk("usb timeout !!!\n");
-	}
-
-	return dev_info->tx_urb->actual_length;
-}
-
-static void dlfb_init_modes(void)
-{
-	dlfb_video_modes[0].col = 0;
-	memcpy(&dlfb_video_modes[0].hclock, "\x20\x3C\x7A\xC9", 4);
-	memcpy(&dlfb_video_modes[0].vclock, "\xF2\x6C\x48\xF9", 4);
-	memcpy(&dlfb_video_modes[0].unknown1, "\x70\x53\xFF\xFF\x21\x27", 6);
-	dlfb_video_modes[0].xres = 800;
-	memcpy(&dlfb_video_modes[0].unknown2, "\x91\xF3\xFF\xFF\xFF\xF9", 6);
-	dlfb_video_modes[0].yres = 480;
-	memcpy(&dlfb_video_modes[0].unknown3, "\x01\x02\xC8\x19", 4);
-
-	dlfb_video_modes[1].col = 0;
-	memcpy(&dlfb_video_modes[1].hclock, "\x36\x18\xD5\x10", 4);
-	memcpy(&dlfb_video_modes[1].vclock, "\x60\xA9\x7B\x33", 4);
-	memcpy(&dlfb_video_modes[1].unknown1, "\xA1\x2B\x27\x32\xFF\xFF", 6);
-	dlfb_video_modes[1].xres = 1024;
-	memcpy(&dlfb_video_modes[1].unknown2, "\xD9\x9A\xFF\xCA\xFF\xFF", 6);
-	dlfb_video_modes[1].yres = 768;
-	memcpy(&dlfb_video_modes[1].unknown3, "\x04\x03\xC8\x32", 4);
-
-	dlfb_video_modes[2].col = 0;
-	memcpy(&dlfb_video_modes[2].hclock, "\x98\xF8\x0D\x57", 4);
-	memcpy(&dlfb_video_modes[2].vclock, "\x2A\x55\x4D\x54", 4);
-	memcpy(&dlfb_video_modes[2].unknown1, "\xCA\x0D\xFF\xFF\x94\x43", 6);
-	dlfb_video_modes[2].xres = 1280;
-	memcpy(&dlfb_video_modes[2].unknown2, "\x9A\xA8\xFF\xFF\xFF\xF9", 6);
-	dlfb_video_modes[2].yres = 1024;
-	memcpy(&dlfb_video_modes[2].unknown3, "\x04\x02\x60\x54", 4);
-
-	dlfb_video_modes[3].col = 0;
-	memcpy(&dlfb_video_modes[3].hclock, "\x42\x24\x38\x36", 4);
-	memcpy(&dlfb_video_modes[3].vclock, "\xC1\x52\xD9\x29", 4);
-	memcpy(&dlfb_video_modes[3].unknown1, "\xEA\xB8\x32\x60\xFF\xFF", 6);
-	dlfb_video_modes[3].xres = 1400;
-	memcpy(&dlfb_video_modes[3].unknown2, "\xC9\x4E\xFF\xFF\xFF\xF2", 6);
-	dlfb_video_modes[3].yres = 1050;
-	memcpy(&dlfb_video_modes[3].unknown3, "\x04\x02\x1E\x5F", 4);
-}
-
-static char *dlfb_set_register(char *bufptr, uint8_t reg, uint8_t val)
-{
-	*bufptr++ = 0xAF;
-	*bufptr++ = 0x20;
-	*bufptr++ = reg;
-	*bufptr++ = val;
-
-	return bufptr;
-}
-
-static int dlfb_set_video_mode(struct dlfb_data *dev_info, int width, int height)
-{
-	int i, ret;
-	unsigned char j;
-	char *bufptr = dev_info->buf;
-	uint8_t *vdata;
-
-	for (i = 0; i < MAX_VMODES; i++) {
-		printk("INIT VIDEO %d %d %d\n", i, dlfb_video_modes[i].xres,
-		       dlfb_video_modes[i].yres);
-		if (dlfb_video_modes[i].xres == width
-		    && dlfb_video_modes[i].yres == height) {
-
-			dev_info->base16 = 0;
-			dev_info->base16d = width * height * (FB_BPP / 8);
-
-			//dev_info->base8 = width * height * (FB_BPP / 8);
-
-			dev_info->base8 = dev_info->base16;
-			dev_info->base8d = dev_info->base16d;
-
-			/* set encryption key (null) */
-			memcpy(dev_info->buf, STD_CHANNEL, 16);
-			ret =
-			    usb_control_msg(dev_info->udev,
-					    usb_sndctrlpipe(dev_info->udev, 0),
-					    0x12, (0x02 << 5), 0, 0,
-					    dev_info->buf, 16, 0);
-			printk("ret control msg 1 (STD_CHANNEL): %d\n", ret);
-
-			/* set registers */
-			bufptr = dlfb_set_register(bufptr, 0xFF, 0x00);
-
-			/* set color depth */
-			bufptr = dlfb_set_register(bufptr, 0x00, 0x00);
-
-			/* set addresses */
-			bufptr =
-			    dlfb_set_register(bufptr, 0x20,
-					      (char)(dev_info->base16 >> 16));
-			bufptr =
-			    dlfb_set_register(bufptr, 0x21,
-					      (char)(dev_info->base16 >> 8));
-			bufptr =
-			    dlfb_set_register(bufptr, 0x22,
-					      (char)(dev_info->base16));
-
-			bufptr =
-			    dlfb_set_register(bufptr, 0x26,
-					      (char)(dev_info->base8 >> 16));
-			bufptr =
-			    dlfb_set_register(bufptr, 0x27,
-					      (char)(dev_info->base8 >> 8));
-			bufptr =
-			    dlfb_set_register(bufptr, 0x28,
-					      (char)(dev_info->base8));
+#define NR_USB_REQUEST_I2C_SUB_IO 0x02
+#define NR_USB_REQUEST_CHANNEL 0x12
 
-			/* set video mode */
-			vdata = (uint8_t *)&dlfb_video_modes[i];
-			for (j = 0; j < 29; j++)
-				bufptr = dlfb_set_register(bufptr, j, vdata[j]);
+/* -BULK_SIZE as per usb-skeleton. Can we get full page and avoid overhead? */
+#define BULK_SIZE 512
+#define MAX_TRANSFER (PAGE_SIZE*16 - BULK_SIZE)
+#define WRITES_IN_FLIGHT (4)
 
-			/* blank */
-			bufptr = dlfb_set_register(bufptr, 0x1F, 0x00);
+#define GET_URB_TIMEOUT	HZ
+#define FREE_URB_TIMEOUT (HZ*2)
 
-			/* end registers */
-			bufptr = dlfb_set_register(bufptr, 0xFF, 0xFF);
+#define BPP                     2
+#define MAX_CMD_PIXELS		255
 
-			/* send */
-			ret = dlfb_bulk_msg(dev_info, bufptr - dev_info->buf);
-			printk("ret bulk 2: %d %td\n", ret,
-			       bufptr - dev_info->buf);
+#define RLX_HEADER_BYTES	7
+#define MIN_RLX_PIX_BYTES       4
+#define MIN_RLX_CMD_BYTES	(RLX_HEADER_BYTES + MIN_RLX_PIX_BYTES)
 
-			/* flush */
-			ret = dlfb_bulk_msg(dev_info, 0);
-			printk("ret bulk 3: %d\n", ret);
+#define RLE_HEADER_BYTES	6
+#define MIN_RLE_PIX_BYTES	3
+#define MIN_RLE_CMD_BYTES	(RLE_HEADER_BYTES + MIN_RLE_PIX_BYTES)
 
-			dev_info->screen_size = width * height * (FB_BPP / 8);
-			dev_info->line_length = width * (FB_BPP / 8);
+#define RAW_HEADER_BYTES	6
+#define MIN_RAW_PIX_BYTES	2
+#define MIN_RAW_CMD_BYTES	(RAW_HEADER_BYTES + MIN_RAW_PIX_BYTES)
 
-			return 0;
-		}
-	}
+/* remove these once align.h patch is taken into kernel */
+#define DL_ALIGN_UP(x, a) ALIGN(x, a)
+#define DL_ALIGN_DOWN(x, a) ALIGN(x-(a-1), a)
 
-	return -1;
-}
+/* remove once this gets added to sysfs.h */
+#define __ATTR_RW(attr) __ATTR(attr, 0644, attr##_show, attr##_store)
 
+#define dl_err(format, arg...) \
+	dev_err(dev->gdev, "dlfb: " format, ## arg)
+#define dl_warn(format, arg...) \
+	dev_warn(dev->gdev, "dlfb: " format, ## arg)
+#define dl_notice(format, arg...) \
+	dev_notice(dev->gdev, "dlfb: " format, ## arg)
+#define dl_info(format, arg...) \
+	dev_info(dev->gdev, "dlfb: " format, ## arg)
 #endif
diff --git a/drivers/staging/usbip/Kconfig b/drivers/staging/usbip/Kconfig
index 350d5d65ccf3..2c1d10acb8b5 100644
--- a/drivers/staging/usbip/Kconfig
+++ b/drivers/staging/usbip/Kconfig
@@ -34,3 +34,10 @@ config USB_IP_HOST
 
 	 To compile this driver as a module, choose M here: the
 	 module will be called usbip.
+
+config USB_IP_DEBUG_ENABLE
+	bool "USB-IP Debug Enable"
+	depends on USB_IP_COMMON
+	default N
+	---help---
+	  This enables the debug messages from the USB-IP drivers.
diff --git a/drivers/staging/usbip/Makefile b/drivers/staging/usbip/Makefile
index 179f4211f96b..6f2916b1807a 100644
--- a/drivers/staging/usbip/Makefile
+++ b/drivers/staging/usbip/Makefile
@@ -7,6 +7,6 @@ vhci-hcd-objs := vhci_sysfs.o vhci_tx.o vhci_rx.o vhci_hcd.o
 obj-$(CONFIG_USB_IP_HOST) += usbip.o
 usbip-objs := stub_dev.o stub_main.o stub_rx.o stub_tx.o
 
-ifeq ($(CONFIG_USB_DEBUG),y)
+ifeq ($(CONFIG_USB_IP_DEBUG_ENABLE),y)
 	EXTRA_CFLAGS += -DDEBUG
 endif
diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c
index ddb6f5fd04d5..7a45da8f9565 100644
--- a/drivers/staging/usbip/usbip_common.c
+++ b/drivers/staging/usbip/usbip_common.c
@@ -33,7 +33,7 @@
 /*-------------------------------------------------------------------------*/
 /* debug routines */
 
-#ifdef CONFIG_USB_DEBUG
+#ifdef CONFIG_USB_IP_DEBUG_ENABLE
 unsigned long usbip_debug_flag = 0xffffffff;
 #else
 unsigned long usbip_debug_flag;
@@ -55,10 +55,7 @@ static ssize_t show_flag(struct device *dev, struct device_attribute *attr,
 static ssize_t store_flag(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
-	unsigned long flag;
-
-	sscanf(buf, "%lx", &flag);
-	usbip_debug_flag = flag;
+	sscanf(buf, "%lx", &usbip_debug_flag);
 
 	return count;
 }
@@ -66,33 +63,8 @@ DEVICE_ATTR(usbip_debug, (S_IRUGO | S_IWUSR), show_flag, store_flag);
 
 static void usbip_dump_buffer(char *buff, int bufflen)
 {
-	int i;
-
-	if (bufflen > 128) {
-		for (i = 0; i < 128; i++) {
-			if (i%24 == 0)
-				printk(KERN_DEBUG "   ");
-			printk(KERN_DEBUG "%02x ", (unsigned char) buff[i]);
-			if (i%4 == 3)
-				printk(KERN_DEBUG "| ");
-			if (i%24 == 23)
-				printk(KERN_DEBUG "\n");
-		}
-		printk(KERN_DEBUG "... (%d byte)\n", bufflen);
-		return;
-	}
-
-	for (i = 0; i < bufflen; i++) {
-		if (i%24 == 0)
-			printk(KERN_DEBUG "   ");
-		printk(KERN_DEBUG "%02x ", (unsigned char) buff[i]);
-		if (i%4 == 3)
-			printk(KERN_DEBUG "| ");
-		if (i%24 == 23)
-			printk(KERN_DEBUG "\n");
-	}
-	printk(KERN_DEBUG "\n");
-
+	print_hex_dump(KERN_DEBUG, "usb-ip", DUMP_PREFIX_OFFSET, 16, 4,
+		       buff, bufflen, false);
 }
 
 static void usbip_dump_pipe(unsigned int p)
@@ -558,60 +530,6 @@ err:
 }
 EXPORT_SYMBOL_GPL(usbip_xmit);
 
-
-/* now a usrland utility should set options. */
-#if 0
-int setquickack(struct socket *socket)
-{
-	mm_segment_t oldfs;
-	int val = 1;
-	int ret;
-
-	oldfs = get_fs();
-	set_fs(get_ds());
-	ret = socket->ops->setsockopt(socket, SOL_TCP, TCP_QUICKACK,
-			(char __user *) &val, sizeof(ret));
-	set_fs(oldfs);
-
-	return ret;
-}
-
-int setnodelay(struct socket *socket)
-{
-	mm_segment_t oldfs;
-	int val = 1;
-	int ret;
-
-	oldfs = get_fs();
-	set_fs(get_ds());
-	ret = socket->ops->setsockopt(socket, SOL_TCP, TCP_NODELAY,
-			(char __user *) &val, sizeof(ret));
-	set_fs(oldfs);
-
-	return ret;
-}
-
-int setkeepalive(struct socket *socket)
-{
-	mm_segment_t oldfs;
-	int val = 1;
-	int ret;
-
-	oldfs = get_fs();
-	set_fs(get_ds());
-	ret = socket->ops->setsockopt(socket, SOL_SOCKET, SO_KEEPALIVE,
-			(char __user *) &val, sizeof(ret));
-	set_fs(oldfs);
-
-	return ret;
-}
-
-void setreuse(struct socket *socket)
-{
-	socket->sk->sk_reuse = 1;
-}
-#endif
-
 struct socket *sockfd_to_socket(unsigned int sockfd)
 {
 	struct socket *socket;
diff --git a/drivers/staging/usbip/usbip_common.h b/drivers/staging/usbip/usbip_common.h
index 1ca3eab8af18..6f1dcb197d13 100644
--- a/drivers/staging/usbip/usbip_common.h
+++ b/drivers/staging/usbip/usbip_common.h
@@ -33,12 +33,12 @@
  */
 
 /**
- * usbip_udbg - print debug messages if CONFIG_USB_DEBUG is defined
+ * usbip_udbg - print debug messages if CONFIG_USB_IP_DEBUG_ENABLE is defined
  * @fmt:
  * @args:
  */
 
-#ifdef CONFIG_USB_DEBUG
+#ifdef CONFIG_USB_IP_DEBUG_ENABLE
 
 #define usbip_udbg(fmt, args...)					\
 	do {								\
@@ -47,11 +47,11 @@
 			__FILE__, __LINE__, __func__, ##args);		\
 	} while (0)
 
-#else  /* CONFIG_USB_DEBUG */
+#else  /* CONFIG_USB_IP_DEBUG_ENABLE */
 
 #define usbip_udbg(fmt, args...)		do { } while (0)
 
-#endif /* CONFIG_USB_DEBUG */
+#endif /* CONFIG_USB_IP_DEBUG_ENABLE */
 
 
 enum {
diff --git a/drivers/staging/usbip/vhci_sysfs.c b/drivers/staging/usbip/vhci_sysfs.c
index d8992d10d555..f6e34e03c8e4 100644
--- a/drivers/staging/usbip/vhci_sysfs.c
+++ b/drivers/staging/usbip/vhci_sysfs.c
@@ -144,7 +144,7 @@ static int valid_args(__u32 rhport, enum usb_device_speed speed)
 	case USB_SPEED_LOW:
 	case USB_SPEED_FULL:
 	case USB_SPEED_HIGH:
-	case USB_SPEED_VARIABLE:
+	case USB_SPEED_WIRELESS:
 		break;
 	default:
 		usbip_uerr("speed %d\n", speed);
diff --git a/drivers/staging/vme/Kconfig b/drivers/staging/vme/Kconfig
index ae628a58b0c6..6411ae51ed3f 100644
--- a/drivers/staging/vme/Kconfig
+++ b/drivers/staging/vme/Kconfig
@@ -14,4 +14,6 @@ source "drivers/staging/vme/bridges/Kconfig"
 
 source "drivers/staging/vme/devices/Kconfig"
 
+source "drivers/staging/vme/boards/Kconfig"
+
 endif # VME
diff --git a/drivers/staging/vme/Makefile b/drivers/staging/vme/Makefile
index 8c3b90ee5853..b4ea3f8d0a50 100644
--- a/drivers/staging/vme/Makefile
+++ b/drivers/staging/vme/Makefile
@@ -5,3 +5,4 @@ obj-$(CONFIG_VME_BUS)		+= vme.o
 
 obj-y				+= bridges/
 obj-y				+= devices/
+obj-y				+= boards/
diff --git a/drivers/staging/vme/TODO b/drivers/staging/vme/TODO
index 2201ff6f74d1..82c222b4a146 100644
--- a/drivers/staging/vme/TODO
+++ b/drivers/staging/vme/TODO
@@ -4,28 +4,6 @@
 API
 ===
 
-DMA Resource Allocation incomplete
-----------------------------------
-
-The current DMA resource Allocation provides no means of selecting the
-suitability of a DMA controller based on it's supported modes of operation, as
-opposed to the resource allocation mechanisms for master and slave windows:
-
-	struct vme_resource *vme_dma_request(struct device *dev);
-
-As opposed to:
-
-	struct vme_resource * vme_master_request(struct device *dev,
-		vme_address_t aspace, vme_cycle_t cycle, vme_width_t width);
-
-The TSI148 can perform, VME-to-PCI, PCI-to-VME, PATTERN-to-VME, PATTERN-to-PCI,
-VME-to-VME and PCI-to-PCI transfers. The CA91C142 can only provide VME-to-PCI
-and PCI-to-VME.
-
-Add a mechanism to select a VME controller based on source/target type,
-required aspace, cycle and width requirements.
-
-
 Master window broadcast select mask
 -----------------------------------
 
@@ -59,7 +37,6 @@ chips. They are currently not supported at all by the API.
 Core
 ====
 
-- Rename vme_master_resource's "pci_resource" to be bus agnostic.
 - Improve generic sanity checks (Such as does an offset and size fit within a
   window and parameter checking).
 
@@ -69,7 +46,6 @@ Bridge Support
 Tempe (tsi148)
 --------------
 
-- Driver can currently only support a single bridge.
 - 2eSST Broadcast mode.
 - Mailboxes unsupported.
 - Improve error detection.
@@ -80,10 +56,6 @@ Tempe (tsi148)
 Universe II (ca91c142)
 ----------------------
 
-- Driver can currently only support a single bridge.
-- DMA unsupported.
-- RMW transactions unsupported.
-- Location Monitors unsupported.
 - Mailboxes unsupported.
 - Error Detection.
 - Control of prefetch size, threshold.
diff --git a/drivers/staging/vme/boards/Kconfig b/drivers/staging/vme/boards/Kconfig
new file mode 100644
index 000000000000..761631353527
--- /dev/null
+++ b/drivers/staging/vme/boards/Kconfig
@@ -0,0 +1,9 @@
+comment "VME Board Drivers"
+
+config VMIVME_7805
+	tristate "VMIVME-7805"
+	help
+	  If you say Y here you get support for the VMIVME-7805 board.
+	  This board has an additional control interface to the Universe II
+	  chip. This driver has to be included if you want to access VME bus
+	  with VMIVME-7805 board.
diff --git a/drivers/staging/vme/boards/Makefile b/drivers/staging/vme/boards/Makefile
new file mode 100644
index 000000000000..43658340885d
--- /dev/null
+++ b/drivers/staging/vme/boards/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for the VME board drivers.
+#
+
+obj-$(CONFIG_VMIVME_7805)	+= vme_vmivme7805.o
diff --git a/drivers/staging/vme/boards/vme_vmivme7805.c b/drivers/staging/vme/boards/vme_vmivme7805.c
new file mode 100644
index 000000000000..843c9edde555
--- /dev/null
+++ b/drivers/staging/vme/boards/vme_vmivme7805.c
@@ -0,0 +1,124 @@
+/*
+ * Support for the VMIVME-7805 board access to the Universe II bridge.
+ *
+ * Author: Arthur Benilov <arthur.benilov@iba-group.com>
+ * Copyright 2010 Ion Beam Application, Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/pci.h>
+#include <linux/poll.h>
+#include <linux/io.h>
+
+#include "vme_vmivme7805.h"
+
+static int __init vmic_init(void);
+static int vmic_probe(struct pci_dev *, const struct pci_device_id *);
+static void vmic_remove(struct pci_dev *);
+static void __exit vmic_exit(void);
+
+/** Base address to access FPGA register */
+static void *vmic_base;
+
+static char driver_name[] = "vmivme_7805";
+
+static struct pci_device_id vmic_ids[] = {
+	{ PCI_DEVICE(PCI_VENDOR_ID_VMIC, PCI_DEVICE_ID_VTIMR) },
+	{ },
+};
+
+static struct pci_driver vmic_driver = {
+	.name = driver_name,
+	.id_table = vmic_ids,
+	.probe = vmic_probe,
+	.remove = vmic_remove,
+};
+
+static int __init vmic_init(void)
+{
+	return pci_register_driver(&vmic_driver);
+}
+
+static int vmic_probe(struct pci_dev *pdev, const struct pci_device_id *id)
+{
+	int retval;
+	u32 data;
+
+	/* Enable the device */
+	retval = pci_enable_device(pdev);
+	if (retval) {
+		dev_err(&pdev->dev, "Unable to enable device\n");
+		goto err;
+	}
+
+	/* Map Registers */
+	retval = pci_request_regions(pdev, driver_name);
+	if (retval) {
+		dev_err(&pdev->dev, "Unable to reserve resources\n");
+		goto err_resource;
+	}
+
+	/* Map registers in BAR 0 */
+	vmic_base = ioremap_nocache(pci_resource_start(pdev, 0), 16);
+	if (!vmic_base) {
+		dev_err(&pdev->dev, "Unable to remap CRG region\n");
+		retval = -EIO;
+		goto err_remap;
+	}
+
+	/* Clear the FPGA VME IF contents */
+	iowrite32(0, vmic_base + VME_CONTROL);
+
+	/* Clear any initial BERR  */
+	data = ioread32(vmic_base + VME_CONTROL) & 0x00000FFF;
+	data |= BM_VME_CONTROL_BERRST;
+	iowrite32(data, vmic_base + VME_CONTROL);
+
+	/* Enable the vme interface and byte swapping */
+	data = ioread32(vmic_base + VME_CONTROL) & 0x00000FFF;
+	data = data | BM_VME_CONTROL_MASTER_ENDIAN |
+			BM_VME_CONTROL_SLAVE_ENDIAN |
+			BM_VME_CONTROL_ABLE |
+			BM_VME_CONTROL_BERRI |
+			BM_VME_CONTROL_BPENA |
+			BM_VME_CONTROL_VBENA;
+	iowrite32(data, vmic_base + VME_CONTROL);
+
+	return 0;
+
+err_remap:
+	pci_release_regions(pdev);
+err_resource:
+	pci_disable_device(pdev);
+err:
+	return retval;
+}
+
+static void vmic_remove(struct pci_dev *pdev)
+{
+	iounmap(vmic_base);
+	pci_release_regions(pdev);
+	pci_disable_device(pdev);
+
+}
+
+static void __exit vmic_exit(void)
+{
+	pci_unregister_driver(&vmic_driver);
+}
+
+MODULE_DESCRIPTION("VMIVME-7805 board support driver");
+MODULE_AUTHOR("Arthur Benilov <arthur.benilov@iba-group.com>");
+MODULE_LICENSE("GPL");
+
+module_init(vmic_init);
+module_exit(vmic_exit);
+
diff --git a/drivers/staging/vme/boards/vme_vmivme7805.h b/drivers/staging/vme/boards/vme_vmivme7805.h
new file mode 100644
index 000000000000..44c2c449808c
--- /dev/null
+++ b/drivers/staging/vme/boards/vme_vmivme7805.h
@@ -0,0 +1,37 @@
+/*
+ * vmivme_7805.h
+ *
+ * Support for the VMIVME-7805 board access to the Universe II bridge.
+ *
+ * Author: Arthur Benilov <arthur.benilov@iba-group.com>
+ * Copyright 2010 Ion Beam Application, Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+
+#ifndef _VMIVME_7805_H
+#define _VMIVME_7805_H
+
+#ifndef PCI_VENDOR_ID_VMIC
+#define PCI_VENDOR_ID_VMIC		0x114A
+#endif
+
+#ifndef PCI_DEVICE_ID_VTIMR
+#define PCI_DEVICE_ID_VTIMR		0x0004
+#endif
+
+#define VME_CONTROL			0x0000
+#define BM_VME_CONTROL_MASTER_ENDIAN	0x0001
+#define BM_VME_CONTROL_SLAVE_ENDIAN	0x0002
+#define BM_VME_CONTROL_ABLE		0x0004
+#define BM_VME_CONTROL_BERRI		0x0040
+#define BM_VME_CONTROL_BERRST		0x0080
+#define BM_VME_CONTROL_BPENA		0x0400
+#define BM_VME_CONTROL_VBENA		0x0800
+
+#endif /* _VMIVME_7805_H */
+
diff --git a/drivers/staging/vme/bridges/Kconfig b/drivers/staging/vme/bridges/Kconfig
index 023cceba0c59..9331064e0476 100644
--- a/drivers/staging/vme/bridges/Kconfig
+++ b/drivers/staging/vme/bridges/Kconfig
@@ -2,12 +2,14 @@ comment "VME Bridge Drivers"
 
 config VME_CA91CX42
 	tristate "Universe II"
+	depends on VIRT_TO_BUS
 	help
 	 If you say Y here you get support for the Tundra CA91C142
 	 (Universe II) VME bridge chip.
 
 config VME_TSI148
 	tristate "Tempe"
+	depends on VIRT_TO_BUS
 	help
 	 If you say Y here you get support for the Tundra TSI148 VME bridge
 	 chip.
diff --git a/drivers/staging/vme/bridges/vme_ca91cx42.c b/drivers/staging/vme/bridges/vme_ca91cx42.c
index 1cf3e91db59d..2795ff2411e0 100644
--- a/drivers/staging/vme/bridges/vme_ca91cx42.c
+++ b/drivers/staging/vme/bridges/vme_ca91cx42.c
@@ -1,8 +1,8 @@
 /*
  * Support for the Tundra Universe I/II VME-PCI Bridge Chips
  *
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Author: Martyn Welch <martyn.welch@ge.com>
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
  * Based on work by Tom Armistead and Ajit Prem
  * Copyright 2004 Motorola Inc.
@@ -38,25 +38,12 @@ static int ca91cx42_probe(struct pci_dev *, const struct pci_device_id *);
 static void ca91cx42_remove(struct pci_dev *);
 static void __exit ca91cx42_exit(void);
 
-struct vme_bridge *ca91cx42_bridge;
-wait_queue_head_t dma_queue;
-wait_queue_head_t iack_queue;
-wait_queue_head_t lm_queue;
-wait_queue_head_t mbox_queue;
-
-void (*lm_callback[4])(int);    /* Called in interrupt handler, be careful! */
-void *crcsr_kernel;
-dma_addr_t crcsr_bus;
-
-struct mutex vme_rmw;   /* Only one RMW cycle at a time */
-struct mutex vme_int;   /*
-			 * Only one VME interrupt can be
-			 * generated at a time, provide locking
-			 */
+/* Module parameters */
+static int geoid;
 
 static char driver_name[] = "vme_ca91cx42";
 
-static struct pci_device_id ca91cx42_ids[] = {
+static const struct pci_device_id ca91cx42_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_TUNDRA, PCI_DEVICE_ID_TUNDRA_CA91C142) },
 	{ },
 };
@@ -68,14 +55,14 @@ static struct pci_driver ca91cx42_driver = {
 	.remove = ca91cx42_remove,
 };
 
-static u32 ca91cx42_DMA_irqhandler(void)
+static u32 ca91cx42_DMA_irqhandler(struct ca91cx42_driver *bridge)
 {
-	wake_up(&dma_queue);
+	wake_up(&(bridge->dma_queue));
 
 	return CA91CX42_LINT_DMA;
 }
 
-static u32 ca91cx42_LM_irqhandler(u32 stat)
+static u32 ca91cx42_LM_irqhandler(struct ca91cx42_driver *bridge, u32 stat)
 {
 	int i;
 	u32 serviced = 0;
@@ -83,7 +70,7 @@ static u32 ca91cx42_LM_irqhandler(u32 stat)
 	for (i = 0; i < 4; i++) {
 		if (stat & CA91CX42_LINT_LM[i]) {
 			/* We only enable interrupts if the callback is set */
-			lm_callback[i](i);
+			bridge->lm_callback[i](i);
 			serviced |= CA91CX42_LINT_LM[i];
 		}
 	}
@@ -92,40 +79,25 @@ static u32 ca91cx42_LM_irqhandler(u32 stat)
 }
 
 /* XXX This needs to be split into 4 queues */
-static u32 ca91cx42_MB_irqhandler(int mbox_mask)
+static u32 ca91cx42_MB_irqhandler(struct ca91cx42_driver *bridge, int mbox_mask)
 {
-	wake_up(&mbox_queue);
+	wake_up(&(bridge->mbox_queue));
 
 	return CA91CX42_LINT_MBOX;
 }
 
-static u32 ca91cx42_IACK_irqhandler(void)
+static u32 ca91cx42_IACK_irqhandler(struct ca91cx42_driver *bridge)
 {
-	wake_up(&iack_queue);
+	wake_up(&(bridge->iack_queue));
 
 	return CA91CX42_LINT_SW_IACK;
 }
 
-#if 0
-int ca91cx42_bus_error_chk(int clrflag)
-{
-	int tmp;
-	tmp = ioread32(ca91cx42_bridge->base + PCI_COMMAND);
-	if (tmp & 0x08000000) {	/* S_TA is Set */
-		if (clrflag)
-			iowrite32(tmp | 0x08000000,
-			       ca91cx42_bridge->base + PCI_COMMAND);
-		return 1;
-	}
-	return 0;
-}
-#endif
-
-static u32 ca91cx42_VERR_irqhandler(void)
+static u32 ca91cx42_VERR_irqhandler(struct ca91cx42_driver *bridge)
 {
 	int val;
 
-	val = ioread32(ca91cx42_bridge->base + DGCS);
+	val = ioread32(bridge->base + DGCS);
 
 	if (!(val & 0x00000800)) {
 		printk(KERN_ERR "ca91c042: ca91cx42_VERR_irqhandler DMA Read "
@@ -135,11 +107,11 @@ static u32 ca91cx42_VERR_irqhandler(void)
 	return CA91CX42_LINT_VERR;
 }
 
-static u32 ca91cx42_LERR_irqhandler(void)
+static u32 ca91cx42_LERR_irqhandler(struct ca91cx42_driver *bridge)
 {
 	int val;
 
-	val = ioread32(ca91cx42_bridge->base + DGCS);
+	val = ioread32(bridge->base + DGCS);
 
 	if (!(val & 0x00000800)) {
 		printk(KERN_ERR "ca91c042: ca91cx42_LERR_irqhandler DMA Read "
@@ -151,13 +123,18 @@ static u32 ca91cx42_LERR_irqhandler(void)
 }
 
 
-static u32 ca91cx42_VIRQ_irqhandler(int stat)
+static u32 ca91cx42_VIRQ_irqhandler(struct vme_bridge *ca91cx42_bridge,
+	int stat)
 {
 	int vec, i, serviced = 0;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
+
 
 	for (i = 7; i > 0; i--) {
 		if (stat & (1 << i)) {
-			vec = ioread32(ca91cx42_bridge->base +
+			vec = ioread32(bridge->base +
 				CA91CX42_V_STATID[i]) & 0xff;
 
 			vme_irq_handler(ca91cx42_bridge, i, vec);
@@ -169,15 +146,18 @@ static u32 ca91cx42_VIRQ_irqhandler(int stat)
 	return serviced;
 }
 
-static irqreturn_t ca91cx42_irqhandler(int irq, void *dev_id)
+static irqreturn_t ca91cx42_irqhandler(int irq, void *ptr)
 {
 	u32 stat, enable, serviced = 0;
+	struct vme_bridge *ca91cx42_bridge;
+	struct ca91cx42_driver *bridge;
 
-	if (dev_id != ca91cx42_bridge->base)
-		return IRQ_NONE;
+	ca91cx42_bridge = ptr;
 
-	enable = ioread32(ca91cx42_bridge->base + LINT_EN);
-	stat = ioread32(ca91cx42_bridge->base + LINT_STAT);
+	bridge = ca91cx42_bridge->driver_priv;
+
+	enable = ioread32(bridge->base + LINT_EN);
+	stat = ioread32(bridge->base + LINT_STAT);
 
 	/* Only look at unmasked interrupts */
 	stat &= enable;
@@ -186,42 +166,45 @@ static irqreturn_t ca91cx42_irqhandler(int irq, void *dev_id)
 		return IRQ_NONE;
 
 	if (stat & CA91CX42_LINT_DMA)
-		serviced |= ca91cx42_DMA_irqhandler();
+		serviced |= ca91cx42_DMA_irqhandler(bridge);
 	if (stat & (CA91CX42_LINT_LM0 | CA91CX42_LINT_LM1 | CA91CX42_LINT_LM2 |
 			CA91CX42_LINT_LM3))
-		serviced |= ca91cx42_LM_irqhandler(stat);
+		serviced |= ca91cx42_LM_irqhandler(bridge, stat);
 	if (stat & CA91CX42_LINT_MBOX)
-		serviced |= ca91cx42_MB_irqhandler(stat);
+		serviced |= ca91cx42_MB_irqhandler(bridge, stat);
 	if (stat & CA91CX42_LINT_SW_IACK)
-		serviced |= ca91cx42_IACK_irqhandler();
+		serviced |= ca91cx42_IACK_irqhandler(bridge);
 	if (stat & CA91CX42_LINT_VERR)
-		serviced |= ca91cx42_VERR_irqhandler();
+		serviced |= ca91cx42_VERR_irqhandler(bridge);
 	if (stat & CA91CX42_LINT_LERR)
-		serviced |= ca91cx42_LERR_irqhandler();
+		serviced |= ca91cx42_LERR_irqhandler(bridge);
 	if (stat & (CA91CX42_LINT_VIRQ1 | CA91CX42_LINT_VIRQ2 |
 			CA91CX42_LINT_VIRQ3 | CA91CX42_LINT_VIRQ4 |
 			CA91CX42_LINT_VIRQ5 | CA91CX42_LINT_VIRQ6 |
 			CA91CX42_LINT_VIRQ7))
-		serviced |= ca91cx42_VIRQ_irqhandler(stat);
+		serviced |= ca91cx42_VIRQ_irqhandler(ca91cx42_bridge, stat);
 
 	/* Clear serviced interrupts */
-	iowrite32(stat, ca91cx42_bridge->base + LINT_STAT);
+	iowrite32(stat, bridge->base + LINT_STAT);
 
 	return IRQ_HANDLED;
 }
 
-static int ca91cx42_irq_init(struct vme_bridge *bridge)
+static int ca91cx42_irq_init(struct vme_bridge *ca91cx42_bridge)
 {
 	int result, tmp;
 	struct pci_dev *pdev;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 	/* Need pdev */
-	pdev = container_of(bridge->parent, struct pci_dev, dev);
+	pdev = container_of(ca91cx42_bridge->parent, struct pci_dev, dev);
 
 	/* Initialise list for VME bus errors */
-	INIT_LIST_HEAD(&(bridge->vme_errors));
+	INIT_LIST_HEAD(&(ca91cx42_bridge->vme_errors));
 
-	mutex_init(&(bridge->irq_mtx));
+	mutex_init(&(ca91cx42_bridge->irq_mtx));
 
 	/* Disable interrupts from PCI to VME */
 	iowrite32(0, bridge->base + VINT_EN);
@@ -232,7 +215,7 @@ static int ca91cx42_irq_init(struct vme_bridge *bridge)
 	iowrite32(0x00FFFFFF, bridge->base + LINT_STAT);
 
 	result = request_irq(pdev->irq, ca91cx42_irqhandler, IRQF_SHARED,
-			driver_name, pdev);
+			driver_name, ca91cx42_bridge);
 	if (result) {
 		dev_err(&pdev->dev, "Can't get assigned pci irq vector %02X\n",
 		       pdev->irq);
@@ -254,15 +237,16 @@ static int ca91cx42_irq_init(struct vme_bridge *bridge)
 	return 0;
 }
 
-static void ca91cx42_irq_exit(struct pci_dev *pdev)
+static void ca91cx42_irq_exit(struct ca91cx42_driver *bridge,
+	struct pci_dev *pdev)
 {
 	/* Disable interrupts from PCI to VME */
-	iowrite32(0, ca91cx42_bridge->base + VINT_EN);
+	iowrite32(0, bridge->base + VINT_EN);
 
 	/* Disable PCI interrupts */
-	iowrite32(0, ca91cx42_bridge->base + LINT_EN);
+	iowrite32(0, bridge->base + LINT_EN);
 	/* Clear Any Pending PCI Interrupts */
-	iowrite32(0x00FFFFFF, ca91cx42_bridge->base + LINT_STAT);
+	iowrite32(0x00FFFFFF, bridge->base + LINT_STAT);
 
 	free_irq(pdev->irq, pdev);
 }
@@ -270,21 +254,25 @@ static void ca91cx42_irq_exit(struct pci_dev *pdev)
 /*
  * Set up an VME interrupt
  */
-void ca91cx42_irq_set(int level, int state, int sync)
+void ca91cx42_irq_set(struct vme_bridge *ca91cx42_bridge, int level, int state,
+	int sync)
 
 {
 	struct pci_dev *pdev;
 	u32 tmp;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 	/* Enable IRQ level */
-	tmp = ioread32(ca91cx42_bridge->base + LINT_EN);
+	tmp = ioread32(bridge->base + LINT_EN);
 
 	if (state == 0)
 		tmp &= ~CA91CX42_LINT_VIRQ[level];
 	else
 		tmp |= CA91CX42_LINT_VIRQ[level];
 
-	iowrite32(tmp, ca91cx42_bridge->base + LINT_EN);
+	iowrite32(tmp, bridge->base + LINT_EN);
 
 	if ((state == 0) && (sync != 0)) {
 		pdev = container_of(ca91cx42_bridge->parent, struct pci_dev,
@@ -294,34 +282,38 @@ void ca91cx42_irq_set(int level, int state, int sync)
 	}
 }
 
-int ca91cx42_irq_generate(int level, int statid)
+int ca91cx42_irq_generate(struct vme_bridge *ca91cx42_bridge, int level,
+	int statid)
 {
 	u32 tmp;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 	/* Universe can only generate even vectors */
 	if (statid & 1)
 		return -EINVAL;
 
-	mutex_lock(&(vme_int));
+	mutex_lock(&(bridge->vme_int));
 
-	tmp = ioread32(ca91cx42_bridge->base + VINT_EN);
+	tmp = ioread32(bridge->base + VINT_EN);
 
 	/* Set Status/ID */
-	iowrite32(statid << 24, ca91cx42_bridge->base + STATID);
+	iowrite32(statid << 24, bridge->base + STATID);
 
 	/* Assert VMEbus IRQ */
 	tmp = tmp | (1 << (level + 24));
-	iowrite32(tmp, ca91cx42_bridge->base + VINT_EN);
+	iowrite32(tmp, bridge->base + VINT_EN);
 
 	/* Wait for IACK */
-	wait_event_interruptible(iack_queue, 0);
+	wait_event_interruptible(bridge->iack_queue, 0);
 
 	/* Return interrupt to low state */
-	tmp = ioread32(ca91cx42_bridge->base + VINT_EN);
+	tmp = ioread32(bridge->base + VINT_EN);
 	tmp = tmp & ~(1 << (level + 24));
-	iowrite32(tmp, ca91cx42_bridge->base + VINT_EN);
+	iowrite32(tmp, bridge->base + VINT_EN);
 
-	mutex_unlock(&(vme_int));
+	mutex_unlock(&(bridge->vme_int));
 
 	return 0;
 }
@@ -330,9 +322,12 @@ int ca91cx42_slave_set(struct vme_slave_resource *image, int enabled,
 	unsigned long long vme_base, unsigned long long size,
 	dma_addr_t pci_base, vme_address_t aspace, vme_cycle_t cycle)
 {
-	unsigned int i, addr = 0, granularity = 0;
+	unsigned int i, addr = 0, granularity;
 	unsigned int temp_ctl = 0;
 	unsigned int vme_bound, pci_offset;
+	struct ca91cx42_driver *bridge;
+
+	bridge = image->parent->driver_priv;
 
 	i = image->number;
 
@@ -366,13 +361,9 @@ int ca91cx42_slave_set(struct vme_slave_resource *image, int enabled,
 	 * Bound address is a valid address for the window, adjust
 	 * accordingly
 	 */
-	vme_bound = vme_base + size - granularity;
+	vme_bound = vme_base + size;
 	pci_offset = pci_base - vme_base;
 
-	/* XXX Need to check that vme_base, vme_bound and pci_offset aren't
-	 * too big for registers
-	 */
-
 	if ((i == 0) || (i == 4))
 		granularity = 0x1000;
 	else
@@ -392,26 +383,14 @@ int ca91cx42_slave_set(struct vme_slave_resource *image, int enabled,
 	}
 
 	/* Disable while we are mucking around */
-	temp_ctl = ioread32(ca91cx42_bridge->base + CA91CX42_VSI_CTL[i]);
+	temp_ctl = ioread32(bridge->base + CA91CX42_VSI_CTL[i]);
 	temp_ctl &= ~CA91CX42_VSI_CTL_EN;
-	iowrite32(temp_ctl, ca91cx42_bridge->base + CA91CX42_VSI_CTL[i]);
+	iowrite32(temp_ctl, bridge->base + CA91CX42_VSI_CTL[i]);
 
 	/* Setup mapping */
-	iowrite32(vme_base, ca91cx42_bridge->base + CA91CX42_VSI_BS[i]);
-	iowrite32(vme_bound, ca91cx42_bridge->base + CA91CX42_VSI_BD[i]);
-	iowrite32(pci_offset, ca91cx42_bridge->base + CA91CX42_VSI_TO[i]);
-
-/* XXX Prefetch stuff currently unsupported */
-#if 0
-	if (vmeIn->wrPostEnable)
-		temp_ctl |= CA91CX42_VSI_CTL_PWEN;
-	if (vmeIn->prefetchEnable)
-		temp_ctl |= CA91CX42_VSI_CTL_PREN;
-	if (vmeIn->rmwLock)
-		temp_ctl |= CA91CX42_VSI_CTL_LLRMW;
-	if (vmeIn->data64BitCapable)
-		temp_ctl |= CA91CX42_VSI_CTL_LD64EN;
-#endif
+	iowrite32(vme_base, bridge->base + CA91CX42_VSI_BS[i]);
+	iowrite32(vme_bound, bridge->base + CA91CX42_VSI_BD[i]);
+	iowrite32(pci_offset, bridge->base + CA91CX42_VSI_TO[i]);
 
 	/* Setup address space */
 	temp_ctl &= ~CA91CX42_VSI_CTL_VAS_M;
@@ -429,12 +408,12 @@ int ca91cx42_slave_set(struct vme_slave_resource *image, int enabled,
 		temp_ctl |= CA91CX42_VSI_CTL_PGM_DATA;
 
 	/* Write ctl reg without enable */
-	iowrite32(temp_ctl, ca91cx42_bridge->base + CA91CX42_VSI_CTL[i]);
+	iowrite32(temp_ctl, bridge->base + CA91CX42_VSI_CTL[i]);
 
 	if (enabled)
 		temp_ctl |= CA91CX42_VSI_CTL_EN;
 
-	iowrite32(temp_ctl, ca91cx42_bridge->base + CA91CX42_VSI_CTL[i]);
+	iowrite32(temp_ctl, bridge->base + CA91CX42_VSI_CTL[i]);
 
 	return 0;
 }
@@ -445,6 +424,9 @@ int ca91cx42_slave_get(struct vme_slave_resource *image, int *enabled,
 {
 	unsigned int i, granularity = 0, ctl = 0;
 	unsigned long long vme_bound, pci_offset;
+	struct ca91cx42_driver *bridge;
+
+	bridge = image->parent->driver_priv;
 
 	i = image->number;
 
@@ -454,11 +436,11 @@ int ca91cx42_slave_get(struct vme_slave_resource *image, int *enabled,
 		granularity = 0x10000;
 
 	/* Read Registers */
-	ctl = ioread32(ca91cx42_bridge->base + CA91CX42_VSI_CTL[i]);
+	ctl = ioread32(bridge->base + CA91CX42_VSI_CTL[i]);
 
-	*vme_base = ioread32(ca91cx42_bridge->base + CA91CX42_VSI_BS[i]);
-	vme_bound = ioread32(ca91cx42_bridge->base + CA91CX42_VSI_BD[i]);
-	pci_offset = ioread32(ca91cx42_bridge->base + CA91CX42_VSI_TO[i]);
+	*vme_base = ioread32(bridge->base + CA91CX42_VSI_BS[i]);
+	vme_bound = ioread32(bridge->base + CA91CX42_VSI_BD[i]);
+	pci_offset = ioread32(bridge->base + CA91CX42_VSI_TO[i]);
 
 	*pci_base = (dma_addr_t)vme_base + pci_offset;
 	*size = (unsigned long long)((vme_bound - *vme_base) + granularity);
@@ -502,6 +484,9 @@ static int ca91cx42_alloc_resource(struct vme_master_resource *image,
 	unsigned long long existing_size;
 	int retval = 0;
 	struct pci_dev *pdev;
+	struct vme_bridge *ca91cx42_bridge;
+
+	ca91cx42_bridge = image->parent;
 
 	/* Find pci_dev container of dev */
 	if (ca91cx42_bridge->parent == NULL) {
@@ -510,8 +495,8 @@ static int ca91cx42_alloc_resource(struct vme_master_resource *image,
 	}
 	pdev = container_of(ca91cx42_bridge->parent, struct pci_dev, dev);
 
-	existing_size = (unsigned long long)(image->pci_resource.end -
-		image->pci_resource.start);
+	existing_size = (unsigned long long)(image->bus_resource.end -
+		image->bus_resource.start);
 
 	/* If the existing size is OK, return */
 	if (existing_size == (size - 1))
@@ -520,15 +505,15 @@ static int ca91cx42_alloc_resource(struct vme_master_resource *image,
 	if (existing_size != 0) {
 		iounmap(image->kern_base);
 		image->kern_base = NULL;
-		if (image->pci_resource.name != NULL)
-			kfree(image->pci_resource.name);
-		release_resource(&(image->pci_resource));
-		memset(&(image->pci_resource), 0, sizeof(struct resource));
+		if (image->bus_resource.name != NULL)
+			kfree(image->bus_resource.name);
+		release_resource(&(image->bus_resource));
+		memset(&(image->bus_resource), 0, sizeof(struct resource));
 	}
 
-	if (image->pci_resource.name == NULL) {
-		image->pci_resource.name = kmalloc(VMENAMSIZ+3, GFP_KERNEL);
-		if (image->pci_resource.name == NULL) {
+	if (image->bus_resource.name == NULL) {
+		image->bus_resource.name = kmalloc(VMENAMSIZ+3, GFP_KERNEL);
+		if (image->bus_resource.name == NULL) {
 			printk(KERN_ERR "Unable to allocate memory for resource"
 				" name\n");
 			retval = -ENOMEM;
@@ -536,26 +521,26 @@ static int ca91cx42_alloc_resource(struct vme_master_resource *image,
 		}
 	}
 
-	sprintf((char *)image->pci_resource.name, "%s.%d",
+	sprintf((char *)image->bus_resource.name, "%s.%d",
 		ca91cx42_bridge->name, image->number);
 
-	image->pci_resource.start = 0;
-	image->pci_resource.end = (unsigned long)size;
-	image->pci_resource.flags = IORESOURCE_MEM;
+	image->bus_resource.start = 0;
+	image->bus_resource.end = (unsigned long)size;
+	image->bus_resource.flags = IORESOURCE_MEM;
 
 	retval = pci_bus_alloc_resource(pdev->bus,
-		&(image->pci_resource), size, size, PCIBIOS_MIN_MEM,
+		&(image->bus_resource), size, size, PCIBIOS_MIN_MEM,
 		0, NULL, NULL);
 	if (retval) {
 		printk(KERN_ERR "Failed to allocate mem resource for "
 			"window %d size 0x%lx start 0x%lx\n",
 			image->number, (unsigned long)size,
-			(unsigned long)image->pci_resource.start);
+			(unsigned long)image->bus_resource.start);
 		goto err_resource;
 	}
 
 	image->kern_base = ioremap_nocache(
-		image->pci_resource.start, size);
+		image->bus_resource.start, size);
 	if (image->kern_base == NULL) {
 		printk(KERN_ERR "Failed to remap resource\n");
 		retval = -ENOMEM;
@@ -567,24 +552,24 @@ static int ca91cx42_alloc_resource(struct vme_master_resource *image,
 	iounmap(image->kern_base);
 	image->kern_base = NULL;
 err_remap:
-	release_resource(&(image->pci_resource));
+	release_resource(&(image->bus_resource));
 err_resource:
-	kfree(image->pci_resource.name);
-	memset(&(image->pci_resource), 0, sizeof(struct resource));
+	kfree(image->bus_resource.name);
+	memset(&(image->bus_resource), 0, sizeof(struct resource));
 err_name:
 	return retval;
 }
 
 /*
- *  * Free and unmap PCI Resource
- *   */
+ * Free and unmap PCI Resource
+ */
 static void ca91cx42_free_resource(struct vme_master_resource *image)
 {
 	iounmap(image->kern_base);
 	image->kern_base = NULL;
-	release_resource(&(image->pci_resource));
-	kfree(image->pci_resource.name);
-	memset(&(image->pci_resource), 0, sizeof(struct resource));
+	release_resource(&(image->bus_resource));
+	kfree(image->bus_resource.name);
+	memset(&(image->bus_resource), 0, sizeof(struct resource));
 }
 
 
@@ -593,17 +578,27 @@ int ca91cx42_master_set(struct vme_master_resource *image, int enabled,
 	vme_address_t aspace, vme_cycle_t cycle, vme_width_t dwidth)
 {
 	int retval = 0;
-	unsigned int i;
+	unsigned int i, granularity = 0;
 	unsigned int temp_ctl = 0;
 	unsigned long long pci_bound, vme_offset, pci_base;
+	struct ca91cx42_driver *bridge;
+
+	bridge = image->parent->driver_priv;
+
+	i = image->number;
+
+	if ((i == 0) || (i == 4))
+		granularity = 0x1000;
+	else
+		granularity = 0x10000;
 
 	/* Verify input data */
-	if (vme_base & 0xFFF) {
+	if (vme_base & (granularity - 1)) {
 		printk(KERN_ERR "Invalid VME Window alignment\n");
 		retval = -EINVAL;
 		goto err_window;
 	}
-	if (size & 0xFFF) {
+	if (size & (granularity - 1)) {
 		printk(KERN_ERR "Invalid VME Window alignment\n");
 		retval = -EINVAL;
 		goto err_window;
@@ -611,9 +606,6 @@ int ca91cx42_master_set(struct vme_master_resource *image, int enabled,
 
 	spin_lock(&(image->lock));
 
-	/* XXX We should do this much later, so that we can exit without
-	 *     needing to redo the mapping...
-	 */
 	/*
 	 * Let's allocate the resource here rather than further up the stack as
 	 * it avoids pushing loads of bus dependant stuff up the stack
@@ -627,27 +619,19 @@ int ca91cx42_master_set(struct vme_master_resource *image, int enabled,
 		goto err_res;
 	}
 
-	pci_base = (unsigned long long)image->pci_resource.start;
+	pci_base = (unsigned long long)image->bus_resource.start;
 
 	/*
 	 * Bound address is a valid address for the window, adjust
 	 * according to window granularity.
 	 */
-	pci_bound = pci_base + (size - 0x1000);
+	pci_bound = pci_base + size;
 	vme_offset = vme_base - pci_base;
 
-	i = image->number;
-
 	/* Disable while we are mucking around */
-	temp_ctl = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_CTL[i]);
+	temp_ctl = ioread32(bridge->base + CA91CX42_LSI_CTL[i]);
 	temp_ctl &= ~CA91CX42_LSI_CTL_EN;
-	iowrite32(temp_ctl, ca91cx42_bridge->base + CA91CX42_LSI_CTL[i]);
-
-/* XXX Prefetch stuff currently unsupported */
-#if 0
-	if (vmeOut->wrPostEnable)
-		temp_ctl |= 0x40000000;
-#endif
+	iowrite32(temp_ctl, bridge->base + CA91CX42_LSI_CTL[i]);
 
 	/* Setup cycle types */
 	temp_ctl &= ~CA91CX42_LSI_CTL_VCT_M;
@@ -718,17 +702,17 @@ int ca91cx42_master_set(struct vme_master_resource *image, int enabled,
 		temp_ctl |= CA91CX42_LSI_CTL_PGM_PGM;
 
 	/* Setup mapping */
-	iowrite32(pci_base, ca91cx42_bridge->base + CA91CX42_LSI_BS[i]);
-	iowrite32(pci_bound, ca91cx42_bridge->base + CA91CX42_LSI_BD[i]);
-	iowrite32(vme_offset, ca91cx42_bridge->base + CA91CX42_LSI_TO[i]);
+	iowrite32(pci_base, bridge->base + CA91CX42_LSI_BS[i]);
+	iowrite32(pci_bound, bridge->base + CA91CX42_LSI_BD[i]);
+	iowrite32(vme_offset, bridge->base + CA91CX42_LSI_TO[i]);
 
 	/* Write ctl reg without enable */
-	iowrite32(temp_ctl, ca91cx42_bridge->base + CA91CX42_LSI_CTL[i]);
+	iowrite32(temp_ctl, bridge->base + CA91CX42_LSI_CTL[i]);
 
 	if (enabled)
 		temp_ctl |= CA91CX42_LSI_CTL_EN;
 
-	iowrite32(temp_ctl, ca91cx42_bridge->base + CA91CX42_LSI_CTL[i]);
+	iowrite32(temp_ctl, bridge->base + CA91CX42_LSI_CTL[i]);
 
 	spin_unlock(&(image->lock));
 	return 0;
@@ -747,17 +731,20 @@ int __ca91cx42_master_get(struct vme_master_resource *image, int *enabled,
 {
 	unsigned int i, ctl;
 	unsigned long long pci_base, pci_bound, vme_offset;
+	struct ca91cx42_driver *bridge;
+
+	bridge = image->parent->driver_priv;
 
 	i = image->number;
 
-	ctl = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_CTL[i]);
+	ctl = ioread32(bridge->base + CA91CX42_LSI_CTL[i]);
 
-	pci_base = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_BS[i]);
-	vme_offset = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_TO[i]);
-	pci_bound = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_BD[i]);
+	pci_base = ioread32(bridge->base + CA91CX42_LSI_BS[i]);
+	vme_offset = ioread32(bridge->base + CA91CX42_LSI_TO[i]);
+	pci_bound = ioread32(bridge->base + CA91CX42_LSI_BD[i]);
 
 	*vme_base = pci_base + vme_offset;
-	*size = (pci_bound - pci_base) + 0x1000;
+	*size = (unsigned long long)(pci_bound - pci_base);
 
 	*enabled = 0;
 	*aspace = 0;
@@ -822,12 +809,6 @@ int __ca91cx42_master_get(struct vme_master_resource *image, int *enabled,
 		break;
 	}
 
-/* XXX Prefetch stuff currently unsupported */
-#if 0
-	if (ctl & 0x40000000)
-		vmeOut->wrPostEnable = 1;
-#endif
-
 	return 0;
 }
 
@@ -850,7 +831,7 @@ int ca91cx42_master_get(struct vme_master_resource *image, int *enabled,
 ssize_t ca91cx42_master_read(struct vme_master_resource *image, void *buf,
 	size_t count, loff_t offset)
 {
-	int retval;
+	ssize_t retval;
 
 	spin_lock(&(image->lock));
 
@@ -877,12 +858,528 @@ ssize_t ca91cx42_master_write(struct vme_master_resource *image, void *buf,
 	return retval;
 }
 
-int ca91cx42_slot_get(void)
+unsigned int ca91cx42_master_rmw(struct vme_master_resource *image,
+	unsigned int mask, unsigned int compare, unsigned int swap,
+	loff_t offset)
+{
+	u32 pci_addr, result;
+	int i;
+	struct ca91cx42_driver *bridge;
+	struct device *dev;
+
+	bridge = image->parent->driver_priv;
+	dev = image->parent->parent;
+
+	/* Find the PCI address that maps to the desired VME address */
+	i = image->number;
+
+	/* Locking as we can only do one of these at a time */
+	mutex_lock(&(bridge->vme_rmw));
+
+	/* Lock image */
+	spin_lock(&(image->lock));
+
+	pci_addr = (u32)image->kern_base + offset;
+
+	/* Address must be 4-byte aligned */
+	if (pci_addr & 0x3) {
+		dev_err(dev, "RMW Address not 4-byte aligned\n");
+		return -EINVAL;
+	}
+
+	/* Ensure RMW Disabled whilst configuring */
+	iowrite32(0, bridge->base + SCYC_CTL);
+
+	/* Configure registers */
+	iowrite32(mask, bridge->base + SCYC_EN);
+	iowrite32(compare, bridge->base + SCYC_CMP);
+	iowrite32(swap, bridge->base + SCYC_SWP);
+	iowrite32(pci_addr, bridge->base + SCYC_ADDR);
+
+	/* Enable RMW */
+	iowrite32(CA91CX42_SCYC_CTL_CYC_RMW, bridge->base + SCYC_CTL);
+
+	/* Kick process off with a read to the required address. */
+	result = ioread32(image->kern_base + offset);
+
+	/* Disable RMW */
+	iowrite32(0, bridge->base + SCYC_CTL);
+
+	spin_unlock(&(image->lock));
+
+	mutex_unlock(&(bridge->vme_rmw));
+
+	return result;
+}
+
+int ca91cx42_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src,
+	struct vme_dma_attr *dest, size_t count)
+{
+	struct ca91cx42_dma_entry *entry, *prev;
+	struct vme_dma_pci *pci_attr;
+	struct vme_dma_vme *vme_attr;
+	dma_addr_t desc_ptr;
+	int retval = 0;
+
+	/* XXX descriptor must be aligned on 64-bit boundaries */
+	entry = (struct ca91cx42_dma_entry *)
+		kmalloc(sizeof(struct ca91cx42_dma_entry), GFP_KERNEL);
+	if (entry == NULL) {
+		printk(KERN_ERR "Failed to allocate memory for dma resource "
+			"structure\n");
+		retval = -ENOMEM;
+		goto err_mem;
+	}
+
+	/* Test descriptor alignment */
+	if ((unsigned long)&(entry->descriptor) & CA91CX42_DCPP_M) {
+		printk("Descriptor not aligned to 16 byte boundary as "
+			"required: %p\n", &(entry->descriptor));
+		retval = -EINVAL;
+		goto err_align;
+	}
+
+	memset(&(entry->descriptor), 0, sizeof(struct ca91cx42_dma_descriptor));
+
+	if (dest->type == VME_DMA_VME) {
+		entry->descriptor.dctl |= CA91CX42_DCTL_L2V;
+		vme_attr = (struct vme_dma_vme *)dest->private;
+		pci_attr = (struct vme_dma_pci *)src->private;
+	} else {
+		vme_attr = (struct vme_dma_vme *)src->private;
+		pci_attr = (struct vme_dma_pci *)dest->private;
+	}
+
+	/* Check we can do fullfill required attributes */
+	if ((vme_attr->aspace & ~(VME_A16 | VME_A24 | VME_A32 | VME_USER1 |
+		VME_USER2)) != 0) {
+
+		printk(KERN_ERR "Unsupported cycle type\n");
+		retval = -EINVAL;
+		goto err_aspace;
+	}
+
+	if ((vme_attr->cycle & ~(VME_SCT | VME_BLT | VME_SUPER | VME_USER |
+		VME_PROG | VME_DATA)) != 0) {
+
+		printk(KERN_ERR "Unsupported cycle type\n");
+		retval = -EINVAL;
+		goto err_cycle;
+	}
+
+	/* Check to see if we can fullfill source and destination */
+	if (!(((src->type == VME_DMA_PCI) && (dest->type == VME_DMA_VME)) ||
+		((src->type == VME_DMA_VME) && (dest->type == VME_DMA_PCI)))) {
+
+		printk(KERN_ERR "Cannot perform transfer with this "
+			"source-destination combination\n");
+		retval = -EINVAL;
+		goto err_direct;
+	}
+
+	/* Setup cycle types */
+	if (vme_attr->cycle & VME_BLT)
+		entry->descriptor.dctl |= CA91CX42_DCTL_VCT_BLT;
+
+	/* Setup data width */
+	switch (vme_attr->dwidth) {
+	case VME_D8:
+		entry->descriptor.dctl |= CA91CX42_DCTL_VDW_D8;
+		break;
+	case VME_D16:
+		entry->descriptor.dctl |= CA91CX42_DCTL_VDW_D16;
+		break;
+	case VME_D32:
+		entry->descriptor.dctl |= CA91CX42_DCTL_VDW_D32;
+		break;
+	case VME_D64:
+		entry->descriptor.dctl |= CA91CX42_DCTL_VDW_D64;
+		break;
+	default:
+		printk(KERN_ERR "Invalid data width\n");
+		return -EINVAL;
+	}
+
+	/* Setup address space */
+	switch (vme_attr->aspace) {
+	case VME_A16:
+		entry->descriptor.dctl |= CA91CX42_DCTL_VAS_A16;
+		break;
+	case VME_A24:
+		entry->descriptor.dctl |= CA91CX42_DCTL_VAS_A24;
+		break;
+	case VME_A32:
+		entry->descriptor.dctl |= CA91CX42_DCTL_VAS_A32;
+		break;
+	case VME_USER1:
+		entry->descriptor.dctl |= CA91CX42_DCTL_VAS_USER1;
+		break;
+	case VME_USER2:
+		entry->descriptor.dctl |= CA91CX42_DCTL_VAS_USER2;
+		break;
+	default:
+		printk(KERN_ERR "Invalid address space\n");
+		return -EINVAL;
+		break;
+	}
+
+	if (vme_attr->cycle & VME_SUPER)
+		entry->descriptor.dctl |= CA91CX42_DCTL_SUPER_SUPR;
+	if (vme_attr->cycle & VME_PROG)
+		entry->descriptor.dctl |= CA91CX42_DCTL_PGM_PGM;
+
+	entry->descriptor.dtbc = count;
+	entry->descriptor.dla = pci_attr->address;
+	entry->descriptor.dva = vme_attr->address;
+	entry->descriptor.dcpp = CA91CX42_DCPP_NULL;
+
+	/* Add to list */
+	list_add_tail(&(entry->list), &(list->entries));
+
+	/* Fill out previous descriptors "Next Address" */
+	if (entry->list.prev != &(list->entries)) {
+		prev = list_entry(entry->list.prev, struct ca91cx42_dma_entry,
+			list);
+		/* We need the bus address for the pointer */
+		desc_ptr = virt_to_bus(&(entry->descriptor));
+		prev->descriptor.dcpp = desc_ptr & ~CA91CX42_DCPP_M;
+	}
+
+	return 0;
+
+err_cycle:
+err_aspace:
+err_direct:
+err_align:
+	kfree(entry);
+err_mem:
+	return retval;
+}
+
+static int ca91cx42_dma_busy(struct vme_bridge *ca91cx42_bridge)
+{
+	u32 tmp;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
+
+	tmp = ioread32(bridge->base + DGCS);
+
+	if (tmp & CA91CX42_DGCS_ACT)
+		return 0;
+	else
+		return 1;
+}
+
+int ca91cx42_dma_list_exec(struct vme_dma_list *list)
+{
+	struct vme_dma_resource *ctrlr;
+	struct ca91cx42_dma_entry *entry;
+	int retval = 0;
+	dma_addr_t bus_addr;
+	u32 val;
+
+	struct ca91cx42_driver *bridge;
+
+	ctrlr = list->parent;
+
+	bridge = ctrlr->parent->driver_priv;
+
+	mutex_lock(&(ctrlr->mtx));
+
+	if (!(list_empty(&(ctrlr->running)))) {
+		/*
+		 * XXX We have an active DMA transfer and currently haven't
+		 *     sorted out the mechanism for "pending" DMA transfers.
+		 *     Return busy.
+		 */
+		/* Need to add to pending here */
+		mutex_unlock(&(ctrlr->mtx));
+		return -EBUSY;
+	} else {
+		list_add(&(list->list), &(ctrlr->running));
+	}
+
+	/* Get first bus address and write into registers */
+	entry = list_first_entry(&(list->entries), struct ca91cx42_dma_entry,
+		list);
+
+	bus_addr = virt_to_bus(&(entry->descriptor));
+
+	mutex_unlock(&(ctrlr->mtx));
+
+	iowrite32(0, bridge->base + DTBC);
+	iowrite32(bus_addr & ~CA91CX42_DCPP_M, bridge->base + DCPP);
+
+	/* Start the operation */
+	val = ioread32(bridge->base + DGCS);
+
+	/* XXX Could set VMEbus On and Off Counters here */
+	val &= (CA91CX42_DGCS_VON_M | CA91CX42_DGCS_VOFF_M);
+
+	val |= (CA91CX42_DGCS_CHAIN | CA91CX42_DGCS_STOP | CA91CX42_DGCS_HALT |
+		CA91CX42_DGCS_DONE | CA91CX42_DGCS_LERR | CA91CX42_DGCS_VERR |
+		CA91CX42_DGCS_PERR);
+
+	iowrite32(val, bridge->base + DGCS);
+
+	val |= CA91CX42_DGCS_GO;
+
+	iowrite32(val, bridge->base + DGCS);
+
+	wait_event_interruptible(bridge->dma_queue,
+		ca91cx42_dma_busy(ctrlr->parent));
+
+	/*
+	 * Read status register, this register is valid until we kick off a
+	 * new transfer.
+	 */
+	val = ioread32(bridge->base + DGCS);
+
+	if (val & (CA91CX42_DGCS_LERR | CA91CX42_DGCS_VERR |
+		CA91CX42_DGCS_PERR)) {
+
+		printk(KERN_ERR "ca91c042: DMA Error. DGCS=%08X\n", val);
+		val = ioread32(bridge->base + DCTL);
+	}
+
+	/* Remove list from running list */
+	mutex_lock(&(ctrlr->mtx));
+	list_del(&(list->list));
+	mutex_unlock(&(ctrlr->mtx));
+
+	return retval;
+
+}
+
+int ca91cx42_dma_list_empty(struct vme_dma_list *list)
+{
+	struct list_head *pos, *temp;
+	struct ca91cx42_dma_entry *entry;
+
+	/* detach and free each entry */
+	list_for_each_safe(pos, temp, &(list->entries)) {
+		list_del(pos);
+		entry = list_entry(pos, struct ca91cx42_dma_entry, list);
+		kfree(entry);
+	}
+
+	return 0;
+}
+
+/*
+ * All 4 location monitors reside at the same base - this is therefore a
+ * system wide configuration.
+ *
+ * This does not enable the LM monitor - that should be done when the first
+ * callback is attached and disabled when the last callback is removed.
+ */
+int ca91cx42_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base,
+	vme_address_t aspace, vme_cycle_t cycle)
+{
+	u32 temp_base, lm_ctl = 0;
+	int i;
+	struct ca91cx42_driver *bridge;
+	struct device *dev;
+
+	bridge = lm->parent->driver_priv;
+	dev = lm->parent->parent;
+
+	/* Check the alignment of the location monitor */
+	temp_base = (u32)lm_base;
+	if (temp_base & 0xffff) {
+		dev_err(dev, "Location monitor must be aligned to 64KB "
+			"boundary");
+		return -EINVAL;
+	}
+
+	mutex_lock(&(lm->mtx));
+
+	/* If we already have a callback attached, we can't move it! */
+	for (i = 0; i < lm->monitors; i++) {
+		if (bridge->lm_callback[i] != NULL) {
+			mutex_unlock(&(lm->mtx));
+			dev_err(dev, "Location monitor callback attached, "
+				"can't reset\n");
+			return -EBUSY;
+		}
+	}
+
+	switch (aspace) {
+	case VME_A16:
+		lm_ctl |= CA91CX42_LM_CTL_AS_A16;
+		break;
+	case VME_A24:
+		lm_ctl |= CA91CX42_LM_CTL_AS_A24;
+		break;
+	case VME_A32:
+		lm_ctl |= CA91CX42_LM_CTL_AS_A32;
+		break;
+	default:
+		mutex_unlock(&(lm->mtx));
+		dev_err(dev, "Invalid address space\n");
+		return -EINVAL;
+		break;
+	}
+
+	if (cycle & VME_SUPER)
+		lm_ctl |= CA91CX42_LM_CTL_SUPR;
+	if (cycle & VME_USER)
+		lm_ctl |= CA91CX42_LM_CTL_NPRIV;
+	if (cycle & VME_PROG)
+		lm_ctl |= CA91CX42_LM_CTL_PGM;
+	if (cycle & VME_DATA)
+		lm_ctl |= CA91CX42_LM_CTL_DATA;
+
+	iowrite32(lm_base, bridge->base + LM_BS);
+	iowrite32(lm_ctl, bridge->base + LM_CTL);
+
+	mutex_unlock(&(lm->mtx));
+
+	return 0;
+}
+
+/* Get configuration of the callback monitor and return whether it is enabled
+ * or disabled.
+ */
+int ca91cx42_lm_get(struct vme_lm_resource *lm, unsigned long long *lm_base,
+	vme_address_t *aspace, vme_cycle_t *cycle)
+{
+	u32 lm_ctl, enabled = 0;
+	struct ca91cx42_driver *bridge;
+
+	bridge = lm->parent->driver_priv;
+
+	mutex_lock(&(lm->mtx));
+
+	*lm_base = (unsigned long long)ioread32(bridge->base + LM_BS);
+	lm_ctl = ioread32(bridge->base + LM_CTL);
+
+	if (lm_ctl & CA91CX42_LM_CTL_EN)
+		enabled = 1;
+
+	if ((lm_ctl & CA91CX42_LM_CTL_AS_M) == CA91CX42_LM_CTL_AS_A16)
+		*aspace = VME_A16;
+	if ((lm_ctl & CA91CX42_LM_CTL_AS_M) == CA91CX42_LM_CTL_AS_A24)
+		*aspace = VME_A24;
+	if ((lm_ctl & CA91CX42_LM_CTL_AS_M) == CA91CX42_LM_CTL_AS_A32)
+		*aspace = VME_A32;
+
+	*cycle = 0;
+	if (lm_ctl & CA91CX42_LM_CTL_SUPR)
+		*cycle |= VME_SUPER;
+	if (lm_ctl & CA91CX42_LM_CTL_NPRIV)
+		*cycle |= VME_USER;
+	if (lm_ctl & CA91CX42_LM_CTL_PGM)
+		*cycle |= VME_PROG;
+	if (lm_ctl & CA91CX42_LM_CTL_DATA)
+		*cycle |= VME_DATA;
+
+	mutex_unlock(&(lm->mtx));
+
+	return enabled;
+}
+
+/*
+ * Attach a callback to a specific location monitor.
+ *
+ * Callback will be passed the monitor triggered.
+ */
+int ca91cx42_lm_attach(struct vme_lm_resource *lm, int monitor,
+	void (*callback)(int))
+{
+	u32 lm_ctl, tmp;
+	struct ca91cx42_driver *bridge;
+	struct device *dev;
+
+	bridge = lm->parent->driver_priv;
+	dev = lm->parent->parent;
+
+	mutex_lock(&(lm->mtx));
+
+	/* Ensure that the location monitor is configured - need PGM or DATA */
+	lm_ctl = ioread32(bridge->base + LM_CTL);
+	if ((lm_ctl & (CA91CX42_LM_CTL_PGM | CA91CX42_LM_CTL_DATA)) == 0) {
+		mutex_unlock(&(lm->mtx));
+		dev_err(dev, "Location monitor not properly configured\n");
+		return -EINVAL;
+	}
+
+	/* Check that a callback isn't already attached */
+	if (bridge->lm_callback[monitor] != NULL) {
+		mutex_unlock(&(lm->mtx));
+		dev_err(dev, "Existing callback attached\n");
+		return -EBUSY;
+	}
+
+	/* Attach callback */
+	bridge->lm_callback[monitor] = callback;
+
+	/* Enable Location Monitor interrupt */
+	tmp = ioread32(bridge->base + LINT_EN);
+	tmp |= CA91CX42_LINT_LM[monitor];
+	iowrite32(tmp, bridge->base + LINT_EN);
+
+	/* Ensure that global Location Monitor Enable set */
+	if ((lm_ctl & CA91CX42_LM_CTL_EN) == 0) {
+		lm_ctl |= CA91CX42_LM_CTL_EN;
+		iowrite32(lm_ctl, bridge->base + LM_CTL);
+	}
+
+	mutex_unlock(&(lm->mtx));
+
+	return 0;
+}
+
+/*
+ * Detach a callback function forn a specific location monitor.
+ */
+int ca91cx42_lm_detach(struct vme_lm_resource *lm, int monitor)
+{
+	u32 tmp;
+	struct ca91cx42_driver *bridge;
+
+	bridge = lm->parent->driver_priv;
+
+	mutex_lock(&(lm->mtx));
+
+	/* Disable Location Monitor and ensure previous interrupts are clear */
+	tmp = ioread32(bridge->base + LINT_EN);
+	tmp &= ~CA91CX42_LINT_LM[monitor];
+	iowrite32(tmp, bridge->base + LINT_EN);
+
+	iowrite32(CA91CX42_LINT_LM[monitor],
+		 bridge->base + LINT_STAT);
+
+	/* Detach callback */
+	bridge->lm_callback[monitor] = NULL;
+
+	/* If all location monitors disabled, disable global Location Monitor */
+	if ((tmp & (CA91CX42_LINT_LM0 | CA91CX42_LINT_LM1 | CA91CX42_LINT_LM2 |
+			CA91CX42_LINT_LM3)) == 0) {
+		tmp = ioread32(bridge->base + LM_CTL);
+		tmp &= ~CA91CX42_LM_CTL_EN;
+		iowrite32(tmp, bridge->base + LM_CTL);
+	}
+
+	mutex_unlock(&(lm->mtx));
+
+	return 0;
+}
+
+int ca91cx42_slot_get(struct vme_bridge *ca91cx42_bridge)
 {
 	u32 slot = 0;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
+
+	if (!geoid) {
+		slot = ioread32(bridge->base + VCSR_BS);
+		slot = ((slot & CA91CX42_VCSR_BS_SLOT_M) >> 27);
+	} else
+		slot = geoid;
 
-	slot = ioread32(ca91cx42_bridge->base + VCSR_BS);
-	slot = ((slot & CA91CX42_VCSR_BS_SLOT_M) >> 27);
 	return (int)slot;
 
 }
@@ -900,19 +1397,21 @@ static int __init ca91cx42_init(void)
  * Auto-ID or Geographic address. This function ensures that the window is
  * enabled at an offset consistent with the boards geopgraphic address.
  */
-static int ca91cx42_crcsr_init(struct pci_dev *pdev)
+static int ca91cx42_crcsr_init(struct vme_bridge *ca91cx42_bridge,
+	struct pci_dev *pdev)
 {
 	unsigned int crcsr_addr;
 	int tmp, slot;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
+
+	slot = ca91cx42_slot_get(ca91cx42_bridge);
+
+	/* Write CSR Base Address if slot ID is supplied as a module param */
+	if (geoid)
+		iowrite32(geoid << 27, bridge->base + VCSR_BS);
 
-/* XXX We may need to set this somehow as the Universe II does not support
- *     geographical addressing.
- */
-#if 0
-	if (vme_slotnum != -1)
-		iowrite32(vme_slotnum << 27, ca91cx42_bridge->base + VCSR_BS);
-#endif
-	slot = ca91cx42_slot_get();
 	dev_info(&pdev->dev, "CR/CSR Offset: %d\n", slot);
 	if (slot == 0) {
 		dev_err(&pdev->dev, "Slot number is unset, not configuring "
@@ -921,39 +1420,44 @@ static int ca91cx42_crcsr_init(struct pci_dev *pdev)
 	}
 
 	/* Allocate mem for CR/CSR image */
-	crcsr_kernel = pci_alloc_consistent(pdev, VME_CRCSR_BUF_SIZE,
-		&crcsr_bus);
-	if (crcsr_kernel == NULL) {
+	bridge->crcsr_kernel = pci_alloc_consistent(pdev, VME_CRCSR_BUF_SIZE,
+		&(bridge->crcsr_bus));
+	if (bridge->crcsr_kernel == NULL) {
 		dev_err(&pdev->dev, "Failed to allocate memory for CR/CSR "
 			"image\n");
 		return -ENOMEM;
 	}
 
-	memset(crcsr_kernel, 0, VME_CRCSR_BUF_SIZE);
+	memset(bridge->crcsr_kernel, 0, VME_CRCSR_BUF_SIZE);
 
 	crcsr_addr = slot * (512 * 1024);
-	iowrite32(crcsr_bus - crcsr_addr, ca91cx42_bridge->base + VCSR_TO);
+	iowrite32(bridge->crcsr_bus - crcsr_addr, bridge->base + VCSR_TO);
 
-	tmp = ioread32(ca91cx42_bridge->base + VCSR_CTL);
+	tmp = ioread32(bridge->base + VCSR_CTL);
 	tmp |= CA91CX42_VCSR_CTL_EN;
-	iowrite32(tmp, ca91cx42_bridge->base + VCSR_CTL);
+	iowrite32(tmp, bridge->base + VCSR_CTL);
 
 	return 0;
 }
 
-static void ca91cx42_crcsr_exit(struct pci_dev *pdev)
+static void ca91cx42_crcsr_exit(struct vme_bridge *ca91cx42_bridge,
+	struct pci_dev *pdev)
 {
 	u32 tmp;
+	struct ca91cx42_driver *bridge;
+
+	bridge = ca91cx42_bridge->driver_priv;
 
 	/* Turn off CR/CSR space */
-	tmp = ioread32(ca91cx42_bridge->base + VCSR_CTL);
+	tmp = ioread32(bridge->base + VCSR_CTL);
 	tmp &= ~CA91CX42_VCSR_CTL_EN;
-	iowrite32(tmp, ca91cx42_bridge->base + VCSR_CTL);
+	iowrite32(tmp, bridge->base + VCSR_CTL);
 
 	/* Free image */
-	iowrite32(0, ca91cx42_bridge->base + VCSR_TO);
+	iowrite32(0, bridge->base + VCSR_TO);
 
-	pci_free_consistent(pdev, VME_CRCSR_BUF_SIZE, crcsr_kernel, crcsr_bus);
+	pci_free_consistent(pdev, VME_CRCSR_BUF_SIZE, bridge->crcsr_kernel,
+		bridge->crcsr_bus);
 }
 
 static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
@@ -961,11 +1465,11 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	int retval, i;
 	u32 data;
 	struct list_head *pos = NULL;
+	struct vme_bridge *ca91cx42_bridge;
+	struct ca91cx42_driver *ca91cx42_device;
 	struct vme_master_resource *master_image;
 	struct vme_slave_resource *slave_image;
-#if 0
 	struct vme_dma_resource *dma_ctrlr;
-#endif
 	struct vme_lm_resource *lm;
 
 	/* We want to support more than one of each bridge so we need to
@@ -982,6 +1486,19 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	memset(ca91cx42_bridge, 0, sizeof(struct vme_bridge));
 
+	ca91cx42_device = kmalloc(sizeof(struct ca91cx42_driver), GFP_KERNEL);
+
+	if (ca91cx42_device == NULL) {
+		dev_err(&pdev->dev, "Failed to allocate memory for device "
+			"structure\n");
+		retval = -ENOMEM;
+		goto err_driver;
+	}
+
+	memset(ca91cx42_device, 0, sizeof(struct ca91cx42_driver));
+
+	ca91cx42_bridge->driver_priv = ca91cx42_device;
+
 	/* Enable the device */
 	retval = pci_enable_device(pdev);
 	if (retval) {
@@ -997,16 +1514,16 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	/* map registers in BAR 0 */
-	ca91cx42_bridge->base = ioremap_nocache(pci_resource_start(pdev, 0),
+	ca91cx42_device->base = ioremap_nocache(pci_resource_start(pdev, 0),
 		4096);
-	if (!ca91cx42_bridge->base) {
+	if (!ca91cx42_device->base) {
 		dev_err(&pdev->dev, "Unable to remap CRG region\n");
 		retval = -EIO;
 		goto err_remap;
 	}
 
 	/* Check to see if the mapping worked out */
-	data = ioread32(ca91cx42_bridge->base + CA91CX42_PCI_ID) & 0x0000FFFF;
+	data = ioread32(ca91cx42_device->base + CA91CX42_PCI_ID) & 0x0000FFFF;
 	if (data != PCI_VENDOR_ID_TUNDRA) {
 		dev_err(&pdev->dev, "PCI_ID check failed\n");
 		retval = -EIO;
@@ -1014,11 +1531,10 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	/* Initialize wait queues & mutual exclusion flags */
-	/* XXX These need to be moved to the vme_bridge structure */
-	init_waitqueue_head(&dma_queue);
-	init_waitqueue_head(&iack_queue);
-	mutex_init(&(vme_int));
-	mutex_init(&(vme_rmw));
+	init_waitqueue_head(&(ca91cx42_device->dma_queue));
+	init_waitqueue_head(&(ca91cx42_device->iack_queue));
+	mutex_init(&(ca91cx42_device->vme_int));
+	mutex_init(&(ca91cx42_device->vme_rmw));
 
 	ca91cx42_bridge->parent = &(pdev->dev);
 	strcpy(ca91cx42_bridge->name, driver_name);
@@ -1050,7 +1566,7 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		master_image->cycle_attr = VME_SCT | VME_BLT | VME_MBLT |
 			VME_SUPER | VME_USER | VME_PROG | VME_DATA;
 		master_image->width_attr = VME_D8 | VME_D16 | VME_D32 | VME_D64;
-		memset(&(master_image->pci_resource), 0,
+		memset(&(master_image->bus_resource), 0,
 			sizeof(struct resource));
 		master_image->kern_base  = NULL;
 		list_add_tail(&(master_image->list),
@@ -1084,7 +1600,7 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		list_add_tail(&(slave_image->list),
 			&(ca91cx42_bridge->slave_resources));
 	}
-#if 0
+
 	/* Add dma engines to list */
 	INIT_LIST_HEAD(&(ca91cx42_bridge->dma_resources));
 	for (i = 0; i < CA91C142_MAX_DMA; i++) {
@@ -1100,12 +1616,14 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		mutex_init(&(dma_ctrlr->mtx));
 		dma_ctrlr->locked = 0;
 		dma_ctrlr->number = i;
+		dma_ctrlr->route_attr = VME_DMA_VME_TO_MEM |
+			VME_DMA_MEM_TO_VME;
 		INIT_LIST_HEAD(&(dma_ctrlr->pending));
 		INIT_LIST_HEAD(&(dma_ctrlr->running));
 		list_add_tail(&(dma_ctrlr->list),
 			&(ca91cx42_bridge->dma_resources));
 	}
-#endif
+
 	/* Add location monitor to list */
 	INIT_LIST_HEAD(&(ca91cx42_bridge->lm_resources));
 	lm = kmalloc(sizeof(struct vme_lm_resource), GFP_KERNEL);
@@ -1128,33 +1646,26 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	ca91cx42_bridge->master_set = ca91cx42_master_set;
 	ca91cx42_bridge->master_read = ca91cx42_master_read;
 	ca91cx42_bridge->master_write = ca91cx42_master_write;
-#if 0
 	ca91cx42_bridge->master_rmw = ca91cx42_master_rmw;
 	ca91cx42_bridge->dma_list_add = ca91cx42_dma_list_add;
 	ca91cx42_bridge->dma_list_exec = ca91cx42_dma_list_exec;
 	ca91cx42_bridge->dma_list_empty = ca91cx42_dma_list_empty;
-#endif
 	ca91cx42_bridge->irq_set = ca91cx42_irq_set;
 	ca91cx42_bridge->irq_generate = ca91cx42_irq_generate;
-#if 0
 	ca91cx42_bridge->lm_set = ca91cx42_lm_set;
 	ca91cx42_bridge->lm_get = ca91cx42_lm_get;
 	ca91cx42_bridge->lm_attach = ca91cx42_lm_attach;
 	ca91cx42_bridge->lm_detach = ca91cx42_lm_detach;
-#endif
 	ca91cx42_bridge->slot_get = ca91cx42_slot_get;
 
-	data = ioread32(ca91cx42_bridge->base + MISC_CTL);
+	data = ioread32(ca91cx42_device->base + MISC_CTL);
 	dev_info(&pdev->dev, "Board is%s the VME system controller\n",
 		(data & CA91CX42_MISC_CTL_SYSCON) ? "" : " not");
-	dev_info(&pdev->dev, "Slot ID is %d\n", ca91cx42_slot_get());
+	dev_info(&pdev->dev, "Slot ID is %d\n",
+		ca91cx42_slot_get(ca91cx42_bridge));
 
-	if (ca91cx42_crcsr_init(pdev)) {
+	if (ca91cx42_crcsr_init(ca91cx42_bridge, pdev)) {
 		dev_err(&pdev->dev, "CR/CSR configuration failed.\n");
-		retval = -EINVAL;
-#if 0
-		goto err_crcsr;
-#endif
 	}
 
 	/* Need to save ca91cx42_bridge pointer locally in link list for use in
@@ -1166,14 +1677,13 @@ static int ca91cx42_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto err_reg;
 	}
 
+	pci_set_drvdata(pdev, ca91cx42_bridge);
+
 	return 0;
 
 	vme_unregister_bridge(ca91cx42_bridge);
 err_reg:
-	ca91cx42_crcsr_exit(pdev);
-#if 0
-err_crcsr:
-#endif
+	ca91cx42_crcsr_exit(ca91cx42_bridge, pdev);
 err_lm:
 	/* resources are stored in link list */
 	list_for_each(pos, &(ca91cx42_bridge->lm_resources)) {
@@ -1181,7 +1691,6 @@ err_lm:
 		list_del(pos);
 		kfree(lm);
 	}
-#if 0
 err_dma:
 	/* resources are stored in link list */
 	list_for_each(pos, &(ca91cx42_bridge->dma_resources)) {
@@ -1189,7 +1698,6 @@ err_dma:
 		list_del(pos);
 		kfree(dma_ctrlr);
 	}
-#endif
 err_slave:
 	/* resources are stored in link list */
 	list_for_each(pos, &(ca91cx42_bridge->slave_resources)) {
@@ -1206,15 +1714,17 @@ err_master:
 		kfree(master_image);
 	}
 
-	ca91cx42_irq_exit(pdev);
+	ca91cx42_irq_exit(ca91cx42_device, pdev);
 err_irq:
 err_test:
-	iounmap(ca91cx42_bridge->base);
+	iounmap(ca91cx42_device->base);
 err_remap:
 	pci_release_regions(pdev);
 err_resource:
 	pci_disable_device(pdev);
 err_enable:
+	kfree(ca91cx42_device);
+err_driver:
 	kfree(ca91cx42_bridge);
 err_struct:
 	return retval;
@@ -1228,32 +1738,37 @@ void ca91cx42_remove(struct pci_dev *pdev)
 	struct vme_slave_resource *slave_image;
 	struct vme_dma_resource *dma_ctrlr;
 	struct vme_lm_resource *lm;
+	struct ca91cx42_driver *bridge;
+	struct vme_bridge *ca91cx42_bridge = pci_get_drvdata(pdev);
+
+	bridge = ca91cx42_bridge->driver_priv;
+
 
 	/* Turn off Ints */
-	iowrite32(0, ca91cx42_bridge->base + LINT_EN);
+	iowrite32(0, bridge->base + LINT_EN);
 
 	/* Turn off the windows */
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI0_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI1_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI2_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI3_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI4_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI5_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI6_CTL);
-	iowrite32(0x00800000, ca91cx42_bridge->base + LSI7_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI0_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI1_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI2_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI3_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI4_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI5_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI6_CTL);
-	iowrite32(0x00F00000, ca91cx42_bridge->base + VSI7_CTL);
+	iowrite32(0x00800000, bridge->base + LSI0_CTL);
+	iowrite32(0x00800000, bridge->base + LSI1_CTL);
+	iowrite32(0x00800000, bridge->base + LSI2_CTL);
+	iowrite32(0x00800000, bridge->base + LSI3_CTL);
+	iowrite32(0x00800000, bridge->base + LSI4_CTL);
+	iowrite32(0x00800000, bridge->base + LSI5_CTL);
+	iowrite32(0x00800000, bridge->base + LSI6_CTL);
+	iowrite32(0x00800000, bridge->base + LSI7_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI0_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI1_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI2_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI3_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI4_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI5_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI6_CTL);
+	iowrite32(0x00F00000, bridge->base + VSI7_CTL);
 
 	vme_unregister_bridge(ca91cx42_bridge);
-#if 0
-	ca91cx42_crcsr_exit(pdev);
-#endif
+
+	ca91cx42_crcsr_exit(ca91cx42_bridge, pdev);
+
 	/* resources are stored in link list */
 	list_for_each(pos, &(ca91cx42_bridge->lm_resources)) {
 		lm = list_entry(pos, struct vme_lm_resource, list);
@@ -1283,9 +1798,9 @@ void ca91cx42_remove(struct pci_dev *pdev)
 		kfree(master_image);
 	}
 
-	ca91cx42_irq_exit(pdev);
+	ca91cx42_irq_exit(bridge, pdev);
 
-	iounmap(ca91cx42_bridge->base);
+	iounmap(bridge->base);
 
 	pci_release_regions(pdev);
 
@@ -1299,588 +1814,11 @@ static void __exit ca91cx42_exit(void)
 	pci_unregister_driver(&ca91cx42_driver);
 }
 
+MODULE_PARM_DESC(geoid, "Override geographical addressing");
+module_param(geoid, int, 0);
+
 MODULE_DESCRIPTION("VME driver for the Tundra Universe II VME bridge");
 MODULE_LICENSE("GPL");
 
 module_init(ca91cx42_init);
 module_exit(ca91cx42_exit);
-
-/*----------------------------------------------------------------------------
- * STAGING
- *--------------------------------------------------------------------------*/
-
-#if 0
-#define	SWIZZLE(X) ( ((X & 0xFF000000) >> 24) | ((X & 0x00FF0000) >>  8) | ((X & 0x0000FF00) <<  8) | ((X & 0x000000FF) << 24))
-
-int ca91cx42_master_rmw(vmeRmwCfg_t *vmeRmw)
-{
-	int temp_ctl = 0;
-	int tempBS = 0;
-	int tempBD = 0;
-	int tempTO = 0;
-	int vmeBS = 0;
-	int vmeBD = 0;
-	int *rmw_pci_data_ptr = NULL;
-	int *vaDataPtr = NULL;
-	int i;
-	vmeOutWindowCfg_t vmeOut;
-	if (vmeRmw->maxAttempts < 1) {
-		return -EINVAL;
-	}
-	if (vmeRmw->targetAddrU) {
-		return -EINVAL;
-	}
-	/* Find the PCI address that maps to the desired VME address */
-	for (i = 0; i < 8; i++) {
-		temp_ctl = ioread32(ca91cx42_bridge->base +
-			CA91CX42_LSI_CTL[i]);
-		if ((temp_ctl & 0x80000000) == 0) {
-			continue;
-		}
-		memset(&vmeOut, 0, sizeof(vmeOut));
-		vmeOut.windowNbr = i;
-		ca91cx42_get_out_bound(&vmeOut);
-		if (vmeOut.addrSpace != vmeRmw->addrSpace) {
-			continue;
-		}
-		tempBS = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_BS[i]);
-		tempBD = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_BD[i]);
-		tempTO = ioread32(ca91cx42_bridge->base + CA91CX42_LSI_TO[i]);
-		vmeBS = tempBS + tempTO;
-		vmeBD = tempBD + tempTO;
-		if ((vmeRmw->targetAddr >= vmeBS) &&
-		    (vmeRmw->targetAddr < vmeBD)) {
-			rmw_pci_data_ptr =
-			    (int *)(tempBS + (vmeRmw->targetAddr - vmeBS));
-			vaDataPtr =
-			    (int *)(out_image_va[i] +
-				    (vmeRmw->targetAddr - vmeBS));
-			break;
-		}
-	}
-
-	/* If no window - fail. */
-	if (rmw_pci_data_ptr == NULL) {
-		return -EINVAL;
-	}
-	/* Setup the RMW registers. */
-	iowrite32(0, ca91cx42_bridge->base + SCYC_CTL);
-	iowrite32(SWIZZLE(vmeRmw->enableMask), ca91cx42_bridge->base + SCYC_EN);
-	iowrite32(SWIZZLE(vmeRmw->compareData), ca91cx42_bridge->base +
-		SCYC_CMP);
-	iowrite32(SWIZZLE(vmeRmw->swapData), ca91cx42_bridge->base + SCYC_SWP);
-	iowrite32((int)rmw_pci_data_ptr, ca91cx42_bridge->base + SCYC_ADDR);
-	iowrite32(1, ca91cx42_bridge->base + SCYC_CTL);
-
-	/* Run the RMW cycle until either success or max attempts. */
-	vmeRmw->numAttempts = 1;
-	while (vmeRmw->numAttempts <= vmeRmw->maxAttempts) {
-
-		if ((ioread32(vaDataPtr) & vmeRmw->enableMask) ==
-		    (vmeRmw->swapData & vmeRmw->enableMask)) {
-
-			iowrite32(0, ca91cx42_bridge->base + SCYC_CTL);
-			break;
-
-		}
-		vmeRmw->numAttempts++;
-	}
-
-	/* If no success, set num Attempts to be greater than max attempts */
-	if (vmeRmw->numAttempts > vmeRmw->maxAttempts) {
-		vmeRmw->numAttempts = vmeRmw->maxAttempts + 1;
-	}
-
-	return 0;
-}
-
-int uniSetupDctlReg(vmeDmaPacket_t * vmeDma, int *dctlregreturn)
-{
-	unsigned int dctlreg = 0x80;
-	struct vmeAttr *vmeAttr;
-
-	if (vmeDma->srcBus == VME_DMA_VME) {
-		dctlreg = 0;
-		vmeAttr = &vmeDma->srcVmeAttr;
-	} else {
-		dctlreg = 0x80000000;
-		vmeAttr = &vmeDma->dstVmeAttr;
-	}
-
-	switch (vmeAttr->maxDataWidth) {
-	case VME_D8:
-		break;
-	case VME_D16:
-		dctlreg |= 0x00400000;
-		break;
-	case VME_D32:
-		dctlreg |= 0x00800000;
-		break;
-	case VME_D64:
-		dctlreg |= 0x00C00000;
-		break;
-	}
-
-	switch (vmeAttr->addrSpace) {
-	case VME_A16:
-		break;
-	case VME_A24:
-		dctlreg |= 0x00010000;
-		break;
-	case VME_A32:
-		dctlreg |= 0x00020000;
-		break;
-	case VME_USER1:
-		dctlreg |= 0x00060000;
-		break;
-	case VME_USER2:
-		dctlreg |= 0x00070000;
-		break;
-
-	case VME_A64:		/* not supported in Universe DMA */
-	case VME_CRCSR:
-	case VME_USER3:
-	case VME_USER4:
-		return -EINVAL;
-		break;
-	}
-	if (vmeAttr->userAccessType == VME_PROG) {
-		dctlreg |= 0x00004000;
-	}
-	if (vmeAttr->dataAccessType == VME_SUPER) {
-		dctlreg |= 0x00001000;
-	}
-	if (vmeAttr->xferProtocol != VME_SCT) {
-		dctlreg |= 0x00000100;
-	}
-	*dctlregreturn = dctlreg;
-	return 0;
-}
-
-unsigned int
-ca91cx42_start_dma(int channel, unsigned int dgcsreg, TDMA_Cmd_Packet *vmeLL)
-{
-	unsigned int val;
-
-	/* Setup registers as needed for direct or chained. */
-	if (dgcsreg & 0x8000000) {
-		iowrite32(0, ca91cx42_bridge->base + DTBC);
-		iowrite32((unsigned int)vmeLL, ca91cx42_bridge->base + DCPP);
-	} else {
-#if	0
-		printk(KERN_ERR "Starting: DGCS = %08x\n", dgcsreg);
-		printk(KERN_ERR "Starting: DVA  = %08x\n",
-			ioread32(&vmeLL->dva));
-		printk(KERN_ERR "Starting: DLV  = %08x\n",
-			ioread32(&vmeLL->dlv));
-		printk(KERN_ERR "Starting: DTBC = %08x\n",
-			ioread32(&vmeLL->dtbc));
-		printk(KERN_ERR "Starting: DCTL = %08x\n",
-			ioread32(&vmeLL->dctl));
-#endif
-		/* Write registers */
-		iowrite32(ioread32(&vmeLL->dva), ca91cx42_bridge->base + DVA);
-		iowrite32(ioread32(&vmeLL->dlv), ca91cx42_bridge->base + DLA);
-		iowrite32(ioread32(&vmeLL->dtbc), ca91cx42_bridge->base + DTBC);
-		iowrite32(ioread32(&vmeLL->dctl), ca91cx42_bridge->base + DCTL);
-		iowrite32(0, ca91cx42_bridge->base + DCPP);
-	}
-
-	/* Start the operation */
-	iowrite32(dgcsreg, ca91cx42_bridge->base + DGCS);
-	val = get_tbl();
-	iowrite32(dgcsreg | 0x8000000F, ca91cx42_bridge->base + DGCS);
-	return val;
-}
-
-TDMA_Cmd_Packet *ca91cx42_setup_dma(vmeDmaPacket_t * vmeDma)
-{
-	vmeDmaPacket_t *vmeCur;
-	int maxPerPage;
-	int currentLLcount;
-	TDMA_Cmd_Packet *startLL;
-	TDMA_Cmd_Packet *currentLL;
-	TDMA_Cmd_Packet *nextLL;
-	unsigned int dctlreg = 0;
-
-	maxPerPage = PAGESIZE / sizeof(TDMA_Cmd_Packet) - 1;
-	startLL = (TDMA_Cmd_Packet *) __get_free_pages(GFP_KERNEL, 0);
-	if (startLL == 0) {
-		return startLL;
-	}
-	/* First allocate pages for descriptors and create linked list */
-	vmeCur = vmeDma;
-	currentLL = startLL;
-	currentLLcount = 0;
-	while (vmeCur != 0) {
-		if (vmeCur->pNextPacket != 0) {
-			currentLL->dcpp = (unsigned int)(currentLL + 1);
-			currentLLcount++;
-			if (currentLLcount >= maxPerPage) {
-				currentLL->dcpp =
-				    __get_free_pages(GFP_KERNEL, 0);
-				currentLLcount = 0;
-			}
-			currentLL = (TDMA_Cmd_Packet *) currentLL->dcpp;
-		} else {
-			currentLL->dcpp = (unsigned int)0;
-		}
-		vmeCur = vmeCur->pNextPacket;
-	}
-
-	/* Next fill in information for each descriptor */
-	vmeCur = vmeDma;
-	currentLL = startLL;
-	while (vmeCur != 0) {
-		if (vmeCur->srcBus == VME_DMA_VME) {
-			iowrite32(vmeCur->srcAddr, &currentLL->dva);
-			iowrite32(vmeCur->dstAddr, &currentLL->dlv);
-		} else {
-			iowrite32(vmeCur->srcAddr, &currentLL->dlv);
-			iowrite32(vmeCur->dstAddr, &currentLL->dva);
-		}
-		uniSetupDctlReg(vmeCur, &dctlreg);
-		iowrite32(dctlreg, &currentLL->dctl);
-		iowrite32(vmeCur->byteCount, &currentLL->dtbc);
-
-		currentLL = (TDMA_Cmd_Packet *) currentLL->dcpp;
-		vmeCur = vmeCur->pNextPacket;
-	}
-
-	/* Convert Links to PCI addresses. */
-	currentLL = startLL;
-	while (currentLL != 0) {
-		nextLL = (TDMA_Cmd_Packet *) currentLL->dcpp;
-		if (nextLL == 0) {
-			iowrite32(1, &currentLL->dcpp);
-		} else {
-			iowrite32((unsigned int)virt_to_bus(nextLL),
-			       &currentLL->dcpp);
-		}
-		currentLL = nextLL;
-	}
-
-	/* Return pointer to descriptors list */
-	return startLL;
-}
-
-int ca91cx42_free_dma(TDMA_Cmd_Packet *startLL)
-{
-	TDMA_Cmd_Packet *currentLL;
-	TDMA_Cmd_Packet *prevLL;
-	TDMA_Cmd_Packet *nextLL;
-	unsigned int dcppreg;
-
-	/* Convert Links to virtual addresses. */
-	currentLL = startLL;
-	while (currentLL != 0) {
-		dcppreg = ioread32(&currentLL->dcpp);
-		dcppreg &= ~6;
-		if (dcppreg & 1) {
-			currentLL->dcpp = 0;
-		} else {
-			currentLL->dcpp = (unsigned int)bus_to_virt(dcppreg);
-		}
-		currentLL = (TDMA_Cmd_Packet *) currentLL->dcpp;
-	}
-
-	/* Free all pages associated with the descriptors. */
-	currentLL = startLL;
-	prevLL = currentLL;
-	while (currentLL != 0) {
-		nextLL = (TDMA_Cmd_Packet *) currentLL->dcpp;
-		if (currentLL + 1 != nextLL) {
-			free_pages((int)prevLL, 0);
-			prevLL = nextLL;
-		}
-		currentLL = nextLL;
-	}
-
-	/* Return pointer to descriptors list */
-	return 0;
-}
-
-int ca91cx42_do_dma(vmeDmaPacket_t *vmeDma)
-{
-	unsigned int dgcsreg = 0;
-	unsigned int dctlreg = 0;
-	int val;
-	int channel, x;
-	vmeDmaPacket_t *curDma;
-	TDMA_Cmd_Packet *dmaLL;
-
-	/* Sanity check the VME chain. */
-	channel = vmeDma->channel_number;
-	if (channel > 0) {
-		return -EINVAL;
-	}
-	curDma = vmeDma;
-	while (curDma != 0) {
-		if (curDma->byteCount == 0) {
-			return -EINVAL;
-		}
-		if (curDma->byteCount >= 0x1000000) {
-			return -EINVAL;
-		}
-		if ((curDma->srcAddr & 7) != (curDma->dstAddr & 7)) {
-			return -EINVAL;
-		}
-		switch (curDma->srcBus) {
-		case VME_DMA_PCI:
-			if (curDma->dstBus != VME_DMA_VME) {
-				return -EINVAL;
-			}
-			break;
-		case VME_DMA_VME:
-			if (curDma->dstBus != VME_DMA_PCI) {
-				return -EINVAL;
-			}
-			break;
-		default:
-			return -EINVAL;
-			break;
-		}
-		if (uniSetupDctlReg(curDma, &dctlreg) < 0) {
-			return -EINVAL;
-		}
-
-		curDma = curDma->pNextPacket;
-		if (curDma == vmeDma) {	/* Endless Loop! */
-			return -EINVAL;
-		}
-	}
-
-	/* calculate control register */
-	if (vmeDma->pNextPacket != 0) {
-		dgcsreg = 0x8000000;
-	} else {
-		dgcsreg = 0;
-	}
-
-	for (x = 0; x < 8; x++) {	/* vme block size */
-		if ((256 << x) >= vmeDma->maxVmeBlockSize) {
-			break;
-		}
-	}
-	if (x == 8)
-		x = 7;
-	dgcsreg |= (x << 20);
-
-	if (vmeDma->vmeBackOffTimer) {
-		for (x = 1; x < 8; x++) {	/* vme timer */
-			if ((16 << (x - 1)) >= vmeDma->vmeBackOffTimer) {
-				break;
-			}
-		}
-		if (x == 8)
-			x = 7;
-		dgcsreg |= (x << 16);
-	}
-	/*` Setup the dma chain */
-	dmaLL = ca91cx42_setup_dma(vmeDma);
-
-	/* Start the DMA */
-	if (dgcsreg & 0x8000000) {
-		vmeDma->vmeDmaStartTick =
-		    ca91cx42_start_dma(channel, dgcsreg,
-				  (TDMA_Cmd_Packet *) virt_to_phys(dmaLL));
-	} else {
-		vmeDma->vmeDmaStartTick =
-		    ca91cx42_start_dma(channel, dgcsreg, dmaLL);
-	}
-
-	wait_event_interruptible(dma_queue,
-		ioread32(ca91cx42_bridge->base + DGCS) & 0x800);
-
-	val = ioread32(ca91cx42_bridge->base + DGCS);
-	iowrite32(val | 0xF00, ca91cx42_bridge->base + DGCS);
-
-	vmeDma->vmeDmaStatus = 0;
-
-	if (!(val & 0x00000800)) {
-		vmeDma->vmeDmaStatus = val & 0x700;
-		printk(KERN_ERR "ca91c042: DMA Error in ca91cx42_DMA_irqhandler"
-			" DGCS=%08X\n", val);
-		val = ioread32(ca91cx42_bridge->base + DCPP);
-		printk(KERN_ERR "ca91c042: DCPP=%08X\n", val);
-		val = ioread32(ca91cx42_bridge->base + DCTL);
-		printk(KERN_ERR "ca91c042: DCTL=%08X\n", val);
-		val = ioread32(ca91cx42_bridge->base + DTBC);
-		printk(KERN_ERR "ca91c042: DTBC=%08X\n", val);
-		val = ioread32(ca91cx42_bridge->base + DLA);
-		printk(KERN_ERR "ca91c042: DLA=%08X\n", val);
-		val = ioread32(ca91cx42_bridge->base + DVA);
-		printk(KERN_ERR "ca91c042: DVA=%08X\n", val);
-
-	}
-	/* Free the dma chain */
-	ca91cx42_free_dma(dmaLL);
-
-	return 0;
-}
-
-int ca91cx42_lm_set(vmeLmCfg_t *vmeLm)
-{
-	int temp_ctl = 0;
-
-	if (vmeLm->addrU)
-		return -EINVAL;
-
-	switch (vmeLm->addrSpace) {
-	case VME_A64:
-	case VME_USER3:
-	case VME_USER4:
-		return -EINVAL;
-	case VME_A16:
-		temp_ctl |= 0x00000;
-		break;
-	case VME_A24:
-		temp_ctl |= 0x10000;
-		break;
-	case VME_A32:
-		temp_ctl |= 0x20000;
-		break;
-	case VME_CRCSR:
-		temp_ctl |= 0x50000;
-		break;
-	case VME_USER1:
-		temp_ctl |= 0x60000;
-		break;
-	case VME_USER2:
-		temp_ctl |= 0x70000;
-		break;
-	}
-
-	/* Disable while we are mucking around */
-	iowrite32(0x00000000, ca91cx42_bridge->base + LM_CTL);
-
-	iowrite32(vmeLm->addr, ca91cx42_bridge->base + LM_BS);
-
-	/* Setup CTL register. */
-	if (vmeLm->userAccessType & VME_SUPER)
-		temp_ctl |= 0x00200000;
-	if (vmeLm->userAccessType & VME_USER)
-		temp_ctl |= 0x00100000;
-	if (vmeLm->dataAccessType & VME_PROG)
-		temp_ctl |= 0x00800000;
-	if (vmeLm->dataAccessType & VME_DATA)
-		temp_ctl |= 0x00400000;
-
-
-	/* Write ctl reg and enable */
-	iowrite32(0x80000000 | temp_ctl, ca91cx42_bridge->base + LM_CTL);
-	temp_ctl = ioread32(ca91cx42_bridge->base + LM_CTL);
-
-	return 0;
-}
-
-int ca91cx42_wait_lm(vmeLmCfg_t *vmeLm)
-{
-	unsigned long flags;
-	unsigned int tmp;
-
-	spin_lock_irqsave(&lm_lock, flags);
-	spin_unlock_irqrestore(&lm_lock, flags);
-	if (tmp == 0) {
-		if (vmeLm->lmWait < 10)
-			vmeLm->lmWait = 10;
-		interruptible_sleep_on_timeout(&lm_queue, vmeLm->lmWait);
-	}
-	iowrite32(0x00000000, ca91cx42_bridge->base + LM_CTL);
-
-	return 0;
-}
-
-
-
-int ca91cx42_set_arbiter(vmeArbiterCfg_t *vmeArb)
-{
-	int temp_ctl = 0;
-	int vbto = 0;
-
-	temp_ctl = ioread32(ca91cx42_bridge->base + MISC_CTL);
-	temp_ctl &= 0x00FFFFFF;
-
-	if (vmeArb->globalTimeoutTimer == 0xFFFFFFFF) {
-		vbto = 7;
-	} else if (vmeArb->globalTimeoutTimer > 1024) {
-		return -EINVAL;
-	} else if (vmeArb->globalTimeoutTimer == 0) {
-		vbto = 0;
-	} else {
-		vbto = 1;
-		while ((16 * (1 << (vbto - 1))) < vmeArb->globalTimeoutTimer)
-			vbto += 1;
-	}
-	temp_ctl |= (vbto << 28);
-
-	if (vmeArb->arbiterMode == VME_PRIORITY_MODE)
-		temp_ctl |= 1 << 26;
-
-	if (vmeArb->arbiterTimeoutFlag)
-		temp_ctl |= 2 << 24;
-
-	iowrite32(temp_ctl, ca91cx42_bridge->base + MISC_CTL);
-	return 0;
-}
-
-int ca91cx42_get_arbiter(vmeArbiterCfg_t *vmeArb)
-{
-	int temp_ctl = 0;
-	int vbto = 0;
-
-	temp_ctl = ioread32(ca91cx42_bridge->base + MISC_CTL);
-
-	vbto = (temp_ctl >> 28) & 0xF;
-	if (vbto != 0)
-		vmeArb->globalTimeoutTimer = (16 * (1 << (vbto - 1)));
-
-	if (temp_ctl & (1 << 26))
-		vmeArb->arbiterMode = VME_PRIORITY_MODE;
-	else
-		vmeArb->arbiterMode = VME_R_ROBIN_MODE;
-
-	if (temp_ctl & (3 << 24))
-		vmeArb->arbiterTimeoutFlag = 1;
-
-	return 0;
-}
-
-int ca91cx42_set_requestor(vmeRequesterCfg_t *vmeReq)
-{
-	int temp_ctl = 0;
-
-	temp_ctl = ioread32(ca91cx42_bridge->base + MAST_CTL);
-	temp_ctl &= 0xFF0FFFFF;
-
-	if (vmeReq->releaseMode == 1)
-		temp_ctl |= (1 << 20);
-
-	if (vmeReq->fairMode == 1)
-		temp_ctl |= (1 << 21);
-
-	temp_ctl |= (vmeReq->requestLevel << 22);
-
-	iowrite32(temp_ctl, ca91cx42_bridge->base + MAST_CTL);
-	return 0;
-}
-
-int ca91cx42_get_requestor(vmeRequesterCfg_t *vmeReq)
-{
-	int temp_ctl = 0;
-
-	temp_ctl = ioread32(ca91cx42_bridge->base + MAST_CTL);
-
-	if (temp_ctl & (1 << 20))
-		vmeReq->releaseMode = 1;
-
-	if (temp_ctl & (1 << 21))
-		vmeReq->fairMode = 1;
-
-	vmeReq->requestLevel = (temp_ctl & 0xC00000) >> 22;
-
-	return 0;
-}
-
-
-#endif
diff --git a/drivers/staging/vme/bridges/vme_ca91cx42.h b/drivers/staging/vme/bridges/vme_ca91cx42.h
index 95a42c240a20..e72c65b193ec 100644
--- a/drivers/staging/vme/bridges/vme_ca91cx42.h
+++ b/drivers/staging/vme/bridges/vme_ca91cx42.h
@@ -7,8 +7,8 @@
  * Updated by Ajit Prem
  * Copyright 2004 Motorola Inc.
  *
- * Further updated by Martyn Welch <martyn.welch@gefanuc.com>
- * Copyright 2009 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Further updated by Martyn Welch <martyn.welch@ge.com>
+ * Copyright 2009 GE Intelligent Platforms Embedded Systems, Inc.
  *
  * Derived from ca91c042.h by Michael Wyrick
  *
@@ -37,11 +37,27 @@
 #define CA91C142_MAX_DMA		1	/* Max DMA Controllers */
 #define CA91C142_MAX_MAILBOX		4	/* Max Mail Box registers */
 
+/* Structure used to hold driver specific information */
+struct ca91cx42_driver {
+	void *base;	/* Base Address of device registers */
+	wait_queue_head_t dma_queue;
+	wait_queue_head_t iack_queue;
+	wait_queue_head_t mbox_queue;
+	void (*lm_callback[4])(int);	/* Called in interrupt handler */
+	void *crcsr_kernel;
+	dma_addr_t crcsr_bus;
+	struct mutex vme_rmw;		/* Only one RMW cycle at a time */
+	struct mutex vme_int;		/*
+					 * Only one VME interrupt can be
+					 * generated at a time, provide locking
+					 */
+};
+
 /* See Page 2-77 in the Universe User Manual */
 struct ca91cx42_dma_descriptor {
 	unsigned int dctl;      /* DMA Control */
 	unsigned int dtbc;      /* Transfer Byte Count */
-	unsigned int dlv;       /* PCI Address */
+	unsigned int dla;       /* PCI Address */
 	unsigned int res1;      /* Reserved */
 	unsigned int dva;       /* Vme Address */
 	unsigned int res2;      /* Reserved */
@@ -237,32 +253,6 @@ static const int CA91CX42_VSI_TO[] = { VSI0_TO, VSI1_TO, VSI2_TO, VSI3_TO,
 #define VCSR_SET		0x0FF8
 #define VCSR_BS			0x0FFC
 
-// DMA General Control/Status Register DGCS (0x220)
-// 32-24 ||  GO   | STOPR | HALTR |   0   || CHAIN |   0   |   0   |   0   ||
-// 23-16 ||              VON              ||             VOFF              ||
-// 15-08 ||  ACT  | STOP  | HALT  |   0   || DONE  | LERR  | VERR  | P_ERR ||
-// 07-00 ||   0   | INT_S | INT_H |   0   || I_DNE | I_LER | I_VER | I_PER ||
-
-// VON - Length Per DMA VMEBus Transfer
-//  0000 = None
-//  0001 = 256 Bytes
-//  0010 = 512
-//  0011 = 1024
-//  0100 = 2048
-//  0101 = 4096
-//  0110 = 8192
-//  0111 = 16384
-
-// VOFF - wait between DMA tenures
-//  0000 = 0    us
-//  0001 = 16
-//  0010 = 32
-//  0011 = 64
-//  0100 = 128
-//  0101 = 256
-//  0110 = 512
-//  0111 = 1024
-
 /*
  * PCI Class Register
  * offset 008
@@ -326,6 +316,16 @@ static const int CA91CX42_VSI_TO[] = { VSI0_TO, VSI1_TO, VSI2_TO, VSI3_TO,
 #define CA91CX42_LSI_CTL_VCT_MBLT	(1<<8)
 #define CA91CX42_LSI_CTL_LAS		(1<<0)
 
+/*
+ * SCYC_CTL Register
+ * offset 178
+ */
+#define CA91CX42_SCYC_CTL_LAS_PCIMEM	0
+#define CA91CX42_SCYC_CTL_LAS_PCIIO	(1<<2)
+
+#define CA91CX42_SCYC_CTL_CYC_M		(3<<0)
+#define CA91CX42_SCYC_CTL_CYC_RMW	(1<<0)
+#define CA91CX42_SCYC_CTL_CYC_ADOH	(1<<1)
 
 /*
  * LMISC Register
@@ -355,6 +355,71 @@ static const int CA91CX42_VSI_TO[] = { VSI0_TO, VSI1_TO, VSI2_TO, VSI3_TO,
 #define CA91CX42_BM_SLSI_RESERVED           0x3F0F0000
 
 /*
+ * DCTL Register
+ * offset 200
+ */
+#define CA91CX42_DCTL_L2V		(1<<31)
+#define CA91CX42_DCTL_VDW_M		(3<<22)
+#define CA91CX42_DCTL_VDW_M		(3<<22)
+#define CA91CX42_DCTL_VDW_D8		0
+#define CA91CX42_DCTL_VDW_D16		(1<<22)
+#define CA91CX42_DCTL_VDW_D32		(1<<23)
+#define CA91CX42_DCTL_VDW_D64		(3<<22)
+
+#define CA91CX42_DCTL_VAS_M		(7<<16)
+#define CA91CX42_DCTL_VAS_A16		0
+#define CA91CX42_DCTL_VAS_A24		(1<<16)
+#define CA91CX42_DCTL_VAS_A32		(1<<17)
+#define CA91CX42_DCTL_VAS_USER1		(3<<17)
+#define CA91CX42_DCTL_VAS_USER2		(7<<16)
+
+#define CA91CX42_DCTL_PGM_M		(1<<14)
+#define CA91CX42_DCTL_PGM_DATA		0
+#define CA91CX42_DCTL_PGM_PGM		(1<<14)
+
+#define CA91CX42_DCTL_SUPER_M		(1<<12)
+#define CA91CX42_DCTL_SUPER_NPRIV	0
+#define CA91CX42_DCTL_SUPER_SUPR	(1<<12)
+
+#define CA91CX42_DCTL_VCT_M		(1<<8)
+#define CA91CX42_DCTL_VCT_BLT		(1<<8)
+#define CA91CX42_DCTL_LD64EN		(1<<7)
+
+/*
+ * DCPP Register
+ * offset 218
+ */
+#define CA91CX42_DCPP_M			0xf
+#define CA91CX42_DCPP_NULL		(1<<0)
+
+/*
+ * DMA General Control/Status Register (DGCS)
+ * offset 220
+ */
+#define CA91CX42_DGCS_GO		(1<<31)
+#define CA91CX42_DGCS_STOP_REQ		(1<<30)
+#define CA91CX42_DGCS_HALT_REQ		(1<<29)
+#define CA91CX42_DGCS_CHAIN		(1<<27)
+
+#define CA91CX42_DGCS_VON_M		(7<<20)
+
+#define CA91CX42_DGCS_VOFF_M		(0xf<<16)
+
+#define CA91CX42_DGCS_ACT		(1<<15)
+#define CA91CX42_DGCS_STOP		(1<<14)
+#define CA91CX42_DGCS_HALT		(1<<13)
+#define CA91CX42_DGCS_DONE		(1<<11)
+#define CA91CX42_DGCS_LERR		(1<<10)
+#define CA91CX42_DGCS_VERR		(1<<9)
+#define CA91CX42_DGCS_PERR		(1<<8)
+#define CA91CX42_DGCS_INT_STOP		(1<<6)
+#define CA91CX42_DGCS_INT_HALT		(1<<5)
+#define CA91CX42_DGCS_INT_DONE		(1<<3)
+#define CA91CX42_DGCS_INT_LERR		(1<<2)
+#define CA91CX42_DGCS_INT_VERR		(1<<1)
+#define CA91CX42_DGCS_INT_PERR		(1<<0)
+
+/*
  * PCI Interrupt Enable Register
  * offset  300
  */
@@ -475,6 +540,19 @@ static const int CA91CX42_LINT_LM[] = { CA91CX42_LINT_LM0, CA91CX42_LINT_LM1,
 #define CA91CX42_VSI_CTL_LAS_PCI_IO	(1<<0)
 #define CA91CX42_VSI_CTL_LAS_PCI_CONF	(1<<1)
 
+/* LM_CTL Register
+ * offset  F64
+ */
+#define CA91CX42_LM_CTL_EN		(1<<31)
+#define CA91CX42_LM_CTL_PGM		(1<<23)
+#define CA91CX42_LM_CTL_DATA		(1<<22)
+#define CA91CX42_LM_CTL_SUPR		(1<<21)
+#define CA91CX42_LM_CTL_NPRIV		(1<<20)
+#define CA91CX42_LM_CTL_AS_M		(5<<16)
+#define CA91CX42_LM_CTL_AS_A16		0
+#define CA91CX42_LM_CTL_AS_A24		(1<<16)
+#define CA91CX42_LM_CTL_AS_A32		(1<<17)
+
 /*
  * VRAI_CTL Register
  * offset  F70
diff --git a/drivers/staging/vme/bridges/vme_tsi148.c b/drivers/staging/vme/bridges/vme_tsi148.c
index 89a7dccb934f..faf652edb70f 100644
--- a/drivers/staging/vme/bridges/vme_tsi148.c
+++ b/drivers/staging/vme/bridges/vme_tsi148.c
@@ -1,8 +1,8 @@
 /*
  * Support for the Tundra TSI148 VME-PCI Bridge Chip
  *
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Author: Martyn Welch <martyn.welch@ge.com>
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
  * Based on work by Tom Armistead and Ajit Prem
  * Copyright 2004 Motorola Inc.
@@ -59,28 +59,14 @@ int tsi148_dma_list_add (struct vme_dma_list *, struct vme_dma_attr *,
 int tsi148_dma_list_exec(struct vme_dma_list *);
 int tsi148_dma_list_empty(struct vme_dma_list *);
 int tsi148_generate_irq(int, int);
-int tsi148_slot_get(void);
-
-/* Modue parameter */
-int err_chk = 0;
-
-/* XXX These should all be in a per device structure */
-struct vme_bridge *tsi148_bridge;
-wait_queue_head_t dma_queue[2];
-wait_queue_head_t iack_queue;
-void (*lm_callback[4])(int);	/* Called in interrupt handler, be careful! */
-void *crcsr_kernel;
-dma_addr_t crcsr_bus;
-struct vme_master_resource *flush_image;
-struct mutex vme_rmw;	/* Only one RMW cycle at a time */
-struct mutex vme_int;	/*
-				 * Only one VME interrupt can be
-				 * generated at a time, provide locking
-				 */
+
+/* Module parameter */
+static int err_chk;
+static int geoid;
 
 static char driver_name[] = "vme_tsi148";
 
-static struct pci_device_id tsi148_ids[] = {
+static const struct pci_device_id tsi148_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_TUNDRA, PCI_DEVICE_ID_TUNDRA_TSI148) },
 	{ },
 };
@@ -109,16 +95,17 @@ static void reg_split(unsigned long long variable, unsigned int *high,
 /*
  * Wakes up DMA queue.
  */
-static u32 tsi148_DMA_irqhandler(int channel_mask)
+static u32 tsi148_DMA_irqhandler(struct tsi148_driver *bridge,
+	int channel_mask)
 {
 	u32 serviced = 0;
 
 	if (channel_mask & TSI148_LCSR_INTS_DMA0S) {
-		wake_up(&dma_queue[0]);
+		wake_up(&(bridge->dma_queue[0]));
 		serviced |= TSI148_LCSR_INTC_DMA0C;
 	}
 	if (channel_mask & TSI148_LCSR_INTS_DMA1S) {
-		wake_up(&dma_queue[1]);
+		wake_up(&(bridge->dma_queue[1]));
 		serviced |= TSI148_LCSR_INTC_DMA1C;
 	}
 
@@ -128,7 +115,7 @@ static u32 tsi148_DMA_irqhandler(int channel_mask)
 /*
  * Wake up location monitor queue
  */
-static u32 tsi148_LM_irqhandler(u32 stat)
+static u32 tsi148_LM_irqhandler(struct tsi148_driver *bridge, u32 stat)
 {
 	int i;
 	u32 serviced = 0;
@@ -136,7 +123,7 @@ static u32 tsi148_LM_irqhandler(u32 stat)
 	for (i = 0; i < 4; i++) {
 		if(stat & TSI148_LCSR_INTS_LMS[i]) {
 			/* We only enable interrupts if the callback is set */
-			lm_callback[i](i);
+			bridge->lm_callback[i](i);
 			serviced |= TSI148_LCSR_INTC_LMC[i];
 		}
 	}
@@ -149,7 +136,7 @@ static u32 tsi148_LM_irqhandler(u32 stat)
  *
  * XXX This functionality is not exposed up though API.
  */
-static u32 tsi148_MB_irqhandler(u32 stat)
+static u32 tsi148_MB_irqhandler(struct tsi148_driver *bridge, u32 stat)
 {
 	int i;
 	u32 val;
@@ -157,8 +144,7 @@ static u32 tsi148_MB_irqhandler(u32 stat)
 
 	for (i = 0; i < 4; i++) {
 		if(stat & TSI148_LCSR_INTS_MBS[i]) {
-			val = ioread32be(tsi148_bridge->base +
-				TSI148_GCSR_MBOX[i]);
+			val = ioread32be(bridge->base +	TSI148_GCSR_MBOX[i]);
 			printk("VME Mailbox %d received: 0x%x\n", i, val);
 			serviced |= TSI148_LCSR_INTC_MBC[i];
 		}
@@ -170,22 +156,21 @@ static u32 tsi148_MB_irqhandler(u32 stat)
 /*
  * Display error & status message when PERR (PCI) exception interrupt occurs.
  */
-static u32 tsi148_PERR_irqhandler(void)
+static u32 tsi148_PERR_irqhandler(struct tsi148_driver *bridge)
 {
 	printk(KERN_ERR
 		"PCI Exception at address: 0x%08x:%08x, attributes: %08x\n",
-		ioread32be(tsi148_bridge->base + TSI148_LCSR_EDPAU),
-		ioread32be(tsi148_bridge->base + TSI148_LCSR_EDPAL),
-		ioread32be(tsi148_bridge->base + TSI148_LCSR_EDPAT)
+		ioread32be(bridge->base + TSI148_LCSR_EDPAU),
+		ioread32be(bridge->base + TSI148_LCSR_EDPAL),
+		ioread32be(bridge->base + TSI148_LCSR_EDPAT)
 		);
 	printk(KERN_ERR
 		"PCI-X attribute reg: %08x, PCI-X split completion reg: %08x\n",
-		ioread32be(tsi148_bridge->base + TSI148_LCSR_EDPXA),
-		ioread32be(tsi148_bridge->base + TSI148_LCSR_EDPXS)
+		ioread32be(bridge->base + TSI148_LCSR_EDPXA),
+		ioread32be(bridge->base + TSI148_LCSR_EDPXS)
 		);
 
-	iowrite32be(TSI148_LCSR_EDPAT_EDPCL,
-		tsi148_bridge->base + TSI148_LCSR_EDPAT);
+	iowrite32be(TSI148_LCSR_EDPAT_EDPCL, bridge->base + TSI148_LCSR_EDPAT);
 
 	return TSI148_LCSR_INTC_PERRC;
 }
@@ -193,16 +178,19 @@ static u32 tsi148_PERR_irqhandler(void)
 /*
  * Save address and status when VME error interrupt occurs.
  */
-static u32 tsi148_VERR_irqhandler(void)
+static u32 tsi148_VERR_irqhandler(struct vme_bridge *tsi148_bridge)
 {
 	unsigned int error_addr_high, error_addr_low;
 	unsigned long long error_addr;
 	u32 error_attrib;
 	struct vme_bus_error *error;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
-	error_addr_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_VEAU);
-	error_addr_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_VEAL);
-	error_attrib = ioread32be(tsi148_bridge->base + TSI148_LCSR_VEAT);
+	error_addr_high = ioread32be(bridge->base + TSI148_LCSR_VEAU);
+	error_addr_low = ioread32be(bridge->base + TSI148_LCSR_VEAL);
+	error_attrib = ioread32be(bridge->base + TSI148_LCSR_VEAT);
 
 	reg_join(error_addr_high, error_addr_low, &error_addr);
 
@@ -226,8 +214,7 @@ static u32 tsi148_VERR_irqhandler(void)
 	}
 
 	/* Clear Status */
-	iowrite32be(TSI148_LCSR_VEAT_VESCL,
-		tsi148_bridge->base + TSI148_LCSR_VEAT);
+	iowrite32be(TSI148_LCSR_VEAT_VESCL, bridge->base + TSI148_LCSR_VEAT);
 
 	return TSI148_LCSR_INTC_VERRC;
 }
@@ -235,9 +222,9 @@ static u32 tsi148_VERR_irqhandler(void)
 /*
  * Wake up IACK queue.
  */
-static u32 tsi148_IACK_irqhandler(void)
+static u32 tsi148_IACK_irqhandler(struct tsi148_driver *bridge)
 {
-	wake_up(&iack_queue);
+	wake_up(&(bridge->iack_queue));
 
 	return TSI148_LCSR_INTC_IACKC;
 }
@@ -245,9 +232,13 @@ static u32 tsi148_IACK_irqhandler(void)
 /*
  * Calling VME bus interrupt callback if provided.
  */
-static u32 tsi148_VIRQ_irqhandler(u32 stat)
+static u32 tsi148_VIRQ_irqhandler(struct vme_bridge *tsi148_bridge,
+	u32 stat)
 {
 	int vec, i, serviced = 0;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	for (i = 7; i > 0; i--) {
 		if (stat & (1 << i)) {
@@ -257,8 +248,7 @@ static u32 tsi148_VIRQ_irqhandler(u32 stat)
 			 * 	8-bit IACK cycles on the bus, read from offset
 			 * 	3.
 			 */
-			vec = ioread8(tsi148_bridge->base +
-				TSI148_LCSR_VIACK[i] + 3);
+			vec = ioread8(bridge->base + TSI148_LCSR_VIACK[i] + 3);
 
 			vme_irq_handler(tsi148_bridge, i, vec);
 
@@ -273,13 +263,19 @@ static u32 tsi148_VIRQ_irqhandler(u32 stat)
  * Top level interrupt handler.  Clears appropriate interrupt status bits and
  * then calls appropriate sub handler(s).
  */
-static irqreturn_t tsi148_irqhandler(int irq, void *dev_id)
+static irqreturn_t tsi148_irqhandler(int irq, void *ptr)
 {
 	u32 stat, enable, serviced = 0;
+	struct vme_bridge *tsi148_bridge;
+	struct tsi148_driver *bridge;
+
+	tsi148_bridge = ptr;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	/* Determine which interrupts are unmasked and set */
-	enable = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEO);
-	stat = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTS);
+	enable = ioread32be(bridge->base + TSI148_LCSR_INTEO);
+	stat = ioread32be(bridge->base + TSI148_LCSR_INTS);
 
 	/* Only look at unmasked interrupts */
 	stat &= enable;
@@ -291,61 +287,63 @@ static irqreturn_t tsi148_irqhandler(int irq, void *dev_id)
 	/* Call subhandlers as appropriate */
 	/* DMA irqs */
 	if (stat & (TSI148_LCSR_INTS_DMA1S | TSI148_LCSR_INTS_DMA0S))
-		serviced |= tsi148_DMA_irqhandler(stat);
+		serviced |= tsi148_DMA_irqhandler(bridge, stat);
 
 	/* Location monitor irqs */
 	if (stat & (TSI148_LCSR_INTS_LM3S | TSI148_LCSR_INTS_LM2S |
 			TSI148_LCSR_INTS_LM1S | TSI148_LCSR_INTS_LM0S))
-		serviced |= tsi148_LM_irqhandler(stat);
+		serviced |= tsi148_LM_irqhandler(bridge, stat);
 
 	/* Mail box irqs */
 	if (stat & (TSI148_LCSR_INTS_MB3S | TSI148_LCSR_INTS_MB2S |
 			TSI148_LCSR_INTS_MB1S | TSI148_LCSR_INTS_MB0S))
-		serviced |= tsi148_MB_irqhandler(stat);
+		serviced |= tsi148_MB_irqhandler(bridge, stat);
 
 	/* PCI bus error */
 	if (stat & TSI148_LCSR_INTS_PERRS)
-		serviced |= tsi148_PERR_irqhandler();
+		serviced |= tsi148_PERR_irqhandler(bridge);
 
 	/* VME bus error */
 	if (stat & TSI148_LCSR_INTS_VERRS)
-		serviced |= tsi148_VERR_irqhandler();
+		serviced |= tsi148_VERR_irqhandler(tsi148_bridge);
 
 	/* IACK irq */
 	if (stat & TSI148_LCSR_INTS_IACKS)
-		serviced |= tsi148_IACK_irqhandler();
+		serviced |= tsi148_IACK_irqhandler(bridge);
 
 	/* VME bus irqs */
 	if (stat & (TSI148_LCSR_INTS_IRQ7S | TSI148_LCSR_INTS_IRQ6S |
 			TSI148_LCSR_INTS_IRQ5S | TSI148_LCSR_INTS_IRQ4S |
 			TSI148_LCSR_INTS_IRQ3S | TSI148_LCSR_INTS_IRQ2S |
 			TSI148_LCSR_INTS_IRQ1S))
-		serviced |= tsi148_VIRQ_irqhandler(stat);
+		serviced |= tsi148_VIRQ_irqhandler(tsi148_bridge, stat);
 
 	/* Clear serviced interrupts */
-	iowrite32be(serviced, tsi148_bridge->base + TSI148_LCSR_INTC);
+	iowrite32be(serviced, bridge->base + TSI148_LCSR_INTC);
 
 	return IRQ_HANDLED;
 }
 
-static int tsi148_irq_init(struct vme_bridge *bridge)
+static int tsi148_irq_init(struct vme_bridge *tsi148_bridge)
 {
 	int result;
 	unsigned int tmp;
 	struct pci_dev *pdev;
+	struct tsi148_driver *bridge;
+
+	pdev = container_of(tsi148_bridge->parent, struct pci_dev, dev);
 
-	/* Need pdev */
-        pdev = container_of(bridge->parent, struct pci_dev, dev);
+	bridge = tsi148_bridge->driver_priv;
 
 	/* Initialise list for VME bus errors */
-	INIT_LIST_HEAD(&(bridge->vme_errors));
+	INIT_LIST_HEAD(&(tsi148_bridge->vme_errors));
 
-	mutex_init(&(bridge->irq_mtx));
+	mutex_init(&(tsi148_bridge->irq_mtx));
 
 	result = request_irq(pdev->irq,
 			     tsi148_irqhandler,
 			     IRQF_SHARED,
-			     driver_name, pdev);
+			     driver_name, tsi148_bridge);
 	if (result) {
 		dev_err(&pdev->dev, "Can't get assigned pci irq vector %02X\n",
 			pdev->irq);
@@ -359,7 +357,7 @@ static int tsi148_irq_init(struct vme_bridge *bridge)
 		TSI148_LCSR_INTEO_PERREO | TSI148_LCSR_INTEO_VERREO |
 		TSI148_LCSR_INTEO_IACKEO;
 
-	/* XXX This leaves the following interrupts masked.
+	/* This leaves the following interrupts masked.
 	 * TSI148_LCSR_INTEO_VIEEO
 	 * TSI148_LCSR_INTEO_SYSFLEO
 	 * TSI148_LCSR_INTEO_ACFLEO
@@ -392,14 +390,14 @@ static int tsi148_irq_init(struct vme_bridge *bridge)
 	return 0;
 }
 
-static void tsi148_irq_exit(struct pci_dev *pdev)
+static void tsi148_irq_exit(struct tsi148_driver *bridge, struct pci_dev *pdev)
 {
 	/* Turn off interrupts */
-	iowrite32be(0x0, tsi148_bridge->base + TSI148_LCSR_INTEO);
-	iowrite32be(0x0, tsi148_bridge->base + TSI148_LCSR_INTEN);
+	iowrite32be(0x0, bridge->base + TSI148_LCSR_INTEO);
+	iowrite32be(0x0, bridge->base + TSI148_LCSR_INTEN);
 
 	/* Clear all interrupts */
-	iowrite32be(0xFFFFFFFF, tsi148_bridge->base + TSI148_LCSR_INTC);
+	iowrite32be(0xFFFFFFFF, bridge->base + TSI148_LCSR_INTC);
 
 	/* Detach interrupt handler */
 	free_irq(pdev->irq, pdev);
@@ -408,11 +406,11 @@ static void tsi148_irq_exit(struct pci_dev *pdev)
 /*
  * Check to see if an IACk has been received, return true (1) or false (0).
  */
-int tsi148_iack_received(void)
+int tsi148_iack_received(struct tsi148_driver *bridge)
 {
 	u32 tmp;
 
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_VICR);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_VICR);
 
 	if (tmp & TSI148_LCSR_VICR_IRQS)
 		return 0;
@@ -423,20 +421,24 @@ int tsi148_iack_received(void)
 /*
  * Configure VME interrupt
  */
-void tsi148_irq_set(int level, int state, int sync)
+void tsi148_irq_set(struct vme_bridge *tsi148_bridge, int level,
+	int state, int sync)
 {
 	struct pci_dev *pdev;
 	u32 tmp;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	/* We need to do the ordering differently for enabling and disabling */
 	if (state == 0) {
-		tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEN);
+		tmp = ioread32be(bridge->base + TSI148_LCSR_INTEN);
 		tmp &= ~TSI148_LCSR_INTEN_IRQEN[level - 1];
-		iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEN);
+		iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEN);
 
-		tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEO);
+		tmp = ioread32be(bridge->base + TSI148_LCSR_INTEO);
 		tmp &= ~TSI148_LCSR_INTEO_IRQEO[level - 1];
-		iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEO);
+		iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEO);
 
 		if (sync != 0) {
 			pdev = container_of(tsi148_bridge->parent,
@@ -445,13 +447,13 @@ void tsi148_irq_set(int level, int state, int sync)
 			synchronize_irq(pdev->irq);
 		}
 	} else {
-		tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEO);
+		tmp = ioread32be(bridge->base + TSI148_LCSR_INTEO);
 		tmp |= TSI148_LCSR_INTEO_IRQEO[level - 1];
-		iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEO);
+		iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEO);
 
-		tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEN);
+		tmp = ioread32be(bridge->base + TSI148_LCSR_INTEN);
 		tmp |= TSI148_LCSR_INTEN_IRQEN[level - 1];
-		iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEN);
+		iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEN);
 	}
 }
 
@@ -459,28 +461,32 @@ void tsi148_irq_set(int level, int state, int sync)
  * Generate a VME bus interrupt at the requested level & vector. Wait for
  * interrupt to be acked.
  */
-int tsi148_irq_generate(int level, int statid)
+int tsi148_irq_generate(struct vme_bridge *tsi148_bridge, int level, int statid)
 {
 	u32 tmp;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
-	mutex_lock(&(vme_int));
+	mutex_lock(&(bridge->vme_int));
 
 	/* Read VICR register */
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_VICR);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_VICR);
 
 	/* Set Status/ID */
 	tmp = (tmp & ~TSI148_LCSR_VICR_STID_M) |
 		(statid & TSI148_LCSR_VICR_STID_M);
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_VICR);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_VICR);
 
 	/* Assert VMEbus IRQ */
 	tmp = tmp | TSI148_LCSR_VICR_IRQL[level];
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_VICR);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_VICR);
 
 	/* XXX Consider implementing a timeout? */
-	wait_event_interruptible(iack_queue, tsi148_iack_received());
+	wait_event_interruptible(bridge->iack_queue,
+		tsi148_iack_received(bridge));
 
-	mutex_unlock(&(vme_int));
+	mutex_unlock(&(bridge->vme_int));
 
 	return 0;
 }
@@ -488,8 +494,8 @@ int tsi148_irq_generate(int level, int statid)
 /*
  * Find the first error in this address range
  */
-static struct vme_bus_error *tsi148_find_error(vme_address_t aspace,
-	unsigned long long address, size_t count)
+static struct vme_bus_error *tsi148_find_error(struct vme_bridge *tsi148_bridge,
+	vme_address_t aspace, unsigned long long address, size_t count)
 {
 	struct list_head *err_pos;
 	struct vme_bus_error *vme_err, *valid = NULL;
@@ -520,8 +526,8 @@ static struct vme_bus_error *tsi148_find_error(vme_address_t aspace,
 /*
  * Clear errors in the provided address range.
  */
-static void tsi148_clear_errors(vme_address_t aspace,
-	unsigned long long address, size_t count)
+static void tsi148_clear_errors(struct vme_bridge *tsi148_bridge,
+	vme_address_t aspace, unsigned long long address, size_t count)
 {
 	struct list_head *err_pos, *temp;
 	struct vme_bus_error *vme_err;
@@ -561,16 +567,9 @@ int tsi148_slave_set(struct vme_slave_resource *image, int enabled,
 	unsigned int vme_bound_low, vme_bound_high;
 	unsigned int pci_offset_low, pci_offset_high;
 	unsigned long long vme_bound, pci_offset;
+	struct tsi148_driver *bridge;
 
-#if 0
-        printk("Set slave image %d to:\n", image->number);
- 	printk("\tEnabled: %s\n", (enabled == 1)? "yes" : "no");
-	printk("\tVME Base:0x%llx\n", vme_base);
-	printk("\tWindow Size:0x%llx\n", size);
-	printk("\tPCI Base:0x%lx\n", (unsigned long)pci_base);
-	printk("\tAddress Space:0x%x\n", aspace);
-	printk("\tTransfer Cycle Properties:0x%x\n", cycle);
-#endif
+	bridge = image->parent->driver_priv;
 
 	i = image->number;
 
@@ -627,49 +626,27 @@ int tsi148_slave_set(struct vme_slave_resource *image, int enabled,
 		return -EINVAL;
 	}
 
-#if 0
-	printk("\tVME Bound:0x%llx\n", vme_bound);
-	printk("\tPCI Offset:0x%llx\n", pci_offset);
-#endif
-
 	/*  Disable while we are mucking around */
-	temp_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	temp_ctl = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITAT);
 	temp_ctl &= ~TSI148_LCSR_ITAT_EN;
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(temp_ctl, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITAT);
 
 	/* Setup mapping */
-	iowrite32be(vme_base_high, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(vme_base_high, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITSAU);
-	iowrite32be(vme_base_low, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(vme_base_low, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITSAL);
-	iowrite32be(vme_bound_high, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(vme_bound_high, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITEAU);
-	iowrite32be(vme_bound_low, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(vme_bound_low, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITEAL);
-	iowrite32be(pci_offset_high, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(pci_offset_high, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITOFU);
-	iowrite32be(pci_offset_low, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(pci_offset_low, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITOFL);
 
-/* XXX Prefetch stuff currently unsupported */
-#if 0
-
-	for (x = 0; x < 4; x++) {
-		if ((64 << x) >= vmeIn->prefetchSize) {
-			break;
-		}
-	}
-	if (x == 4)
-		x--;
-	temp_ctl |= (x << 16);
-
-	if (vmeIn->prefetchThreshold)
-		if (vmeIn->prefetchThreshold)
-			temp_ctl |= 0x40000;
-#endif
-
 	/* Setup 2eSST speeds */
 	temp_ctl &= ~TSI148_LCSR_ITAT_2eSSTM_M;
 	switch (cycle & (VME_2eSST160 | VME_2eSST267 | VME_2eSST320)) {
@@ -712,13 +689,13 @@ int tsi148_slave_set(struct vme_slave_resource *image, int enabled,
 		temp_ctl |= TSI148_LCSR_ITAT_DATA;
 
 	/* Write ctl reg without enable */
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(temp_ctl, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITAT);
 
 	if (enabled)
 		temp_ctl |= TSI148_LCSR_ITAT_EN;
 
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	iowrite32be(temp_ctl, bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITAT);
 
 	return 0;
@@ -726,8 +703,6 @@ int tsi148_slave_set(struct vme_slave_resource *image, int enabled,
 
 /*
  * Get slave window configuration.
- *
- * XXX Prefetch currently unsupported.
  */
 int tsi148_slave_get(struct vme_slave_resource *image, int *enabled,
 	unsigned long long *vme_base, unsigned long long *size,
@@ -738,25 +713,27 @@ int tsi148_slave_get(struct vme_slave_resource *image, int *enabled,
 	unsigned int vme_bound_low, vme_bound_high;
 	unsigned int pci_offset_low, pci_offset_high;
 	unsigned long long vme_bound, pci_offset;
+	struct tsi148_driver *bridge;
 
+	bridge = image->parent->driver_priv;
 
 	i = image->number;
 
 	/* Read registers */
-	ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	ctl = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITAT);
 
-	vme_base_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	vme_base_high = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITSAU);
-	vme_base_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	vme_base_low = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITSAL);
-	vme_bound_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	vme_bound_high = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITEAU);
-	vme_bound_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	vme_bound_low = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITEAL);
-	pci_offset_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	pci_offset_high = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITOFU);
-	pci_offset_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_IT[i] +
+	pci_offset_low = ioread32be(bridge->base + TSI148_LCSR_IT[i] +
 		TSI148_LCSR_OFFSET_ITOFL);
 
 	/* Convert 64-bit variables to 2x 32-bit variables */
@@ -833,6 +810,9 @@ static int tsi148_alloc_resource(struct vme_master_resource *image,
 	unsigned long long existing_size;
 	int retval = 0;
 	struct pci_dev *pdev;
+	struct vme_bridge *tsi148_bridge;
+
+	tsi148_bridge = image->parent;
 
 	/* Find pci_dev container of dev */
         if (tsi148_bridge->parent == NULL) {
@@ -841,8 +821,8 @@ static int tsi148_alloc_resource(struct vme_master_resource *image,
         }
         pdev = container_of(tsi148_bridge->parent, struct pci_dev, dev);
 
-	existing_size = (unsigned long long)(image->pci_resource.end -
-		image->pci_resource.start);
+	existing_size = (unsigned long long)(image->bus_resource.end -
+		image->bus_resource.start);
 
 	/* If the existing size is OK, return */
 	if ((size != 0) && (existing_size == (size - 1)))
@@ -851,10 +831,10 @@ static int tsi148_alloc_resource(struct vme_master_resource *image,
 	if (existing_size != 0) {
 		iounmap(image->kern_base);
 		image->kern_base = NULL;
-		if (image->pci_resource.name != NULL)
-			kfree(image->pci_resource.name);
-		release_resource(&(image->pci_resource));
-		memset(&(image->pci_resource), 0, sizeof(struct resource));
+		if (image->bus_resource.name != NULL)
+			kfree(image->bus_resource.name);
+		release_resource(&(image->bus_resource));
+		memset(&(image->bus_resource), 0, sizeof(struct resource));
 	}
 
 	/* Exit here if size is zero */
@@ -862,9 +842,9 @@ static int tsi148_alloc_resource(struct vme_master_resource *image,
 		return 0;
 	}
 
-	if (image->pci_resource.name == NULL) {
-		image->pci_resource.name = kmalloc(VMENAMSIZ+3, GFP_KERNEL);
-		if (image->pci_resource.name == NULL) {
+	if (image->bus_resource.name == NULL) {
+		image->bus_resource.name = kmalloc(VMENAMSIZ+3, GFP_KERNEL);
+		if (image->bus_resource.name == NULL) {
 			printk(KERN_ERR "Unable to allocate memory for resource"
 				" name\n");
 			retval = -ENOMEM;
@@ -872,26 +852,26 @@ static int tsi148_alloc_resource(struct vme_master_resource *image,
 		}
 	}
 
-	sprintf((char *)image->pci_resource.name, "%s.%d", tsi148_bridge->name,
+	sprintf((char *)image->bus_resource.name, "%s.%d", tsi148_bridge->name,
 		image->number);
 
-	image->pci_resource.start = 0;
-	image->pci_resource.end = (unsigned long)size;
-	image->pci_resource.flags = IORESOURCE_MEM;
+	image->bus_resource.start = 0;
+	image->bus_resource.end = (unsigned long)size;
+	image->bus_resource.flags = IORESOURCE_MEM;
 
 	retval = pci_bus_alloc_resource(pdev->bus,
-		&(image->pci_resource), size, size, PCIBIOS_MIN_MEM,
+		&(image->bus_resource), size, size, PCIBIOS_MIN_MEM,
 		0, NULL, NULL);
 	if (retval) {
 		printk(KERN_ERR "Failed to allocate mem resource for "
 			"window %d size 0x%lx start 0x%lx\n",
 			image->number, (unsigned long)size,
-			(unsigned long)image->pci_resource.start);
+			(unsigned long)image->bus_resource.start);
 		goto err_resource;
 	}
 
 	image->kern_base = ioremap_nocache(
-		image->pci_resource.start, size);
+		image->bus_resource.start, size);
 	if (image->kern_base == NULL) {
 		printk(KERN_ERR "Failed to remap resource\n");
 		retval = -ENOMEM;
@@ -903,10 +883,10 @@ static int tsi148_alloc_resource(struct vme_master_resource *image,
 	iounmap(image->kern_base);
 	image->kern_base = NULL;
 err_remap:
-	release_resource(&(image->pci_resource));
+	release_resource(&(image->bus_resource));
 err_resource:
-	kfree(image->pci_resource.name);
-	memset(&(image->pci_resource), 0, sizeof(struct resource));
+	kfree(image->bus_resource.name);
+	memset(&(image->bus_resource), 0, sizeof(struct resource));
 err_name:
 	return retval;
 }
@@ -918,9 +898,9 @@ static void tsi148_free_resource(struct vme_master_resource *image)
 {
 	iounmap(image->kern_base);
 	image->kern_base = NULL;
-	release_resource(&(image->pci_resource));
-	kfree(image->pci_resource.name);
-	memset(&(image->pci_resource), 0, sizeof(struct resource));
+	release_resource(&(image->bus_resource));
+	kfree(image->bus_resource.name);
+	memset(&(image->bus_resource), 0, sizeof(struct resource));
 }
 
 /*
@@ -937,6 +917,9 @@ int tsi148_master_set( struct vme_master_resource *image, int enabled,
 	unsigned int pci_bound_low, pci_bound_high;
 	unsigned int vme_offset_low, vme_offset_high;
 	unsigned long long pci_bound, vme_offset, pci_base;
+	struct tsi148_driver *bridge;
+
+	bridge = image->parent->driver_priv;
 
 	/* Verify input data */
 	if (vme_base & 0xFFFF) {
@@ -970,7 +953,7 @@ int tsi148_master_set( struct vme_master_resource *image, int enabled,
 		pci_bound = 0;
 		vme_offset = 0;
 	} else {
-		pci_base = (unsigned long long)image->pci_resource.start;
+		pci_base = (unsigned long long)image->bus_resource.start;
 
 		/*
 		 * Bound address is a valid address for the window, adjust
@@ -1007,26 +990,12 @@ int tsi148_master_set( struct vme_master_resource *image, int enabled,
 	i = image->number;
 
 	/* Disable while we are mucking around */
-	temp_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	temp_ctl = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTAT);
 	temp_ctl &= ~TSI148_LCSR_OTAT_EN;
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(temp_ctl, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTAT);
 
-/* XXX Prefetch stuff currently unsupported */
-#if 0
-	if (vmeOut->prefetchEnable) {
-		temp_ctl |= 0x40000;
-		for (x = 0; x < 4; x++) {
-			if ((2 << x) >= vmeOut->prefetchSize)
-				break;
-		}
-		if (x == 4)
-			x = 3;
-		temp_ctl |= (x << 16);
-	}
-#endif
-
 	/* Setup 2eSST speeds */
 	temp_ctl &= ~TSI148_LCSR_OTAT_2eSSTM_M;
 	switch (cycle & (VME_2eSST160 | VME_2eSST267 | VME_2eSST320)) {
@@ -1126,33 +1095,27 @@ int tsi148_master_set( struct vme_master_resource *image, int enabled,
 		temp_ctl |= TSI148_LCSR_OTAT_PGM;
 
 	/* Setup mapping */
-	iowrite32be(pci_base_high, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(pci_base_high, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTSAU);
-	iowrite32be(pci_base_low, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(pci_base_low, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTSAL);
-	iowrite32be(pci_bound_high, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(pci_bound_high, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTEAU);
-	iowrite32be(pci_bound_low, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(pci_bound_low, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTEAL);
-	iowrite32be(vme_offset_high, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(vme_offset_high, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTOFU);
-	iowrite32be(vme_offset_low, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(vme_offset_low, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTOFL);
 
-/* XXX We need to deal with OTBS */
-#if 0
-	iowrite32be(vmeOut->bcastSelect2esst, tsi148_bridge->base +
-		TSI148_LCSR_OT[i] + TSI148_LCSR_OFFSET_OTBS);
-#endif
-
 	/* Write ctl reg without enable */
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(temp_ctl, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTAT);
 
 	if (enabled)
 		temp_ctl |= TSI148_LCSR_OTAT_EN;
 
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	iowrite32be(temp_ctl, bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTAT);
 
 	spin_unlock(&(image->lock));
@@ -1183,23 +1146,26 @@ int __tsi148_master_get( struct vme_master_resource *image, int *enabled,
 	unsigned int vme_offset_low, vme_offset_high;
 
 	unsigned long long pci_base, pci_bound, vme_offset;
+	struct tsi148_driver *bridge;
+
+	bridge = image->parent->driver_priv;
 
 	i = image->number;
 
-	ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	ctl = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTAT);
 
-	pci_base_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	pci_base_high = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTSAU);
-	pci_base_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	pci_base_low = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTSAL);
-	pci_bound_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	pci_bound_high = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTEAU);
-	pci_bound_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	pci_bound_low = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTEAL);
-	vme_offset_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	vme_offset_high = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTOFU);
-	vme_offset_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	vme_offset_low = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTOFL);
 
 	/* Convert 64-bit variables to 2x 32-bit variables */
@@ -1305,6 +1271,9 @@ ssize_t tsi148_master_read(struct vme_master_resource *image, void *buf,
 	vme_cycle_t cycle;
 	vme_width_t dwidth;
 	struct vme_bus_error *vme_err = NULL;
+	struct vme_bridge *tsi148_bridge;
+
+	tsi148_bridge = image->parent;
 
 	spin_lock(&(image->lock));
 
@@ -1317,13 +1286,15 @@ ssize_t tsi148_master_read(struct vme_master_resource *image, void *buf,
 	__tsi148_master_get(image, &enabled, &vme_base, &size, &aspace, &cycle,
 		&dwidth);
 
-	vme_err = tsi148_find_error(aspace, vme_base + offset, count);
+	vme_err = tsi148_find_error(tsi148_bridge, aspace, vme_base + offset,
+		count);
 	if(vme_err != NULL) {
 		dev_err(image->parent->parent, "First VME read error detected "
 			"an at address 0x%llx\n", vme_err->address);
 		retval = vme_err->address - (vme_base + offset);
 		/* Clear down save errors in this address range */
-		tsi148_clear_errors(aspace, vme_base + offset, count);
+		tsi148_clear_errors(tsi148_bridge, aspace, vme_base + offset,
+			count);
 	}
 
 skip_chk:
@@ -1333,9 +1304,6 @@ skip_chk:
 }
 
 
-/* XXX We need to change vme_master_resource->mtx to a spinlock so that read
- *     and write functions can be used in an interrupt context
- */
 ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf,
 	size_t count, loff_t offset)
 {
@@ -1346,6 +1314,12 @@ ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf,
 	vme_width_t dwidth;
 
 	struct vme_bus_error *vme_err = NULL;
+	struct vme_bridge *tsi148_bridge;
+	struct tsi148_driver *bridge;
+
+	tsi148_bridge = image->parent;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	spin_lock(&(image->lock));
 
@@ -1373,15 +1347,17 @@ ssize_t tsi148_master_write(struct vme_master_resource *image, void *buf,
 	__tsi148_master_get(image, &enabled, &vme_base, &size, &aspace, &cycle,
 		&dwidth);
 
-	ioread16(flush_image->kern_base + 0x7F000);
+	ioread16(bridge->flush_image->kern_base + 0x7F000);
 
-	vme_err = tsi148_find_error(aspace, vme_base + offset, count);
+	vme_err = tsi148_find_error(tsi148_bridge, aspace, vme_base + offset,
+		count);
 	if(vme_err != NULL) {
 		printk("First VME write error detected an at address 0x%llx\n",
 			vme_err->address);
 		retval = vme_err->address - (vme_base + offset);
 		/* Clear down save errors in this address range */
-		tsi148_clear_errors(aspace, vme_base + offset, count);
+		tsi148_clear_errors(tsi148_bridge, aspace, vme_base + offset,
+			count);
 	}
 
 skip_chk:
@@ -1403,48 +1379,50 @@ unsigned int tsi148_master_rmw(struct vme_master_resource *image,
 	unsigned int pci_addr_high, pci_addr_low;
 	u32 tmp, result;
 	int i;
+	struct tsi148_driver *bridge;
 
+	bridge = image->parent->driver_priv;
 
 	/* Find the PCI address that maps to the desired VME address */
 	i = image->number;
 
 	/* Locking as we can only do one of these at a time */
-	mutex_lock(&(vme_rmw));
+	mutex_lock(&(bridge->vme_rmw));
 
 	/* Lock image */
 	spin_lock(&(image->lock));
 
-	pci_addr_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	pci_addr_high = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTSAU);
-	pci_addr_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_OT[i] +
+	pci_addr_low = ioread32be(bridge->base + TSI148_LCSR_OT[i] +
 		TSI148_LCSR_OFFSET_OTSAL);
 
 	reg_join(pci_addr_high, pci_addr_low, &pci_addr);
 	reg_split(pci_addr + offset, &pci_addr_high, &pci_addr_low);
 
 	/* Configure registers */
-	iowrite32be(mask, tsi148_bridge->base + TSI148_LCSR_RMWEN);
-	iowrite32be(compare, tsi148_bridge->base + TSI148_LCSR_RMWC);
-	iowrite32be(swap, tsi148_bridge->base + TSI148_LCSR_RMWS);
-	iowrite32be(pci_addr_high, tsi148_bridge->base + TSI148_LCSR_RMWAU);
-	iowrite32be(pci_addr_low, tsi148_bridge->base + TSI148_LCSR_RMWAL);
+	iowrite32be(mask, bridge->base + TSI148_LCSR_RMWEN);
+	iowrite32be(compare, bridge->base + TSI148_LCSR_RMWC);
+	iowrite32be(swap, bridge->base + TSI148_LCSR_RMWS);
+	iowrite32be(pci_addr_high, bridge->base + TSI148_LCSR_RMWAU);
+	iowrite32be(pci_addr_low, bridge->base + TSI148_LCSR_RMWAL);
 
 	/* Enable RMW */
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_VMCTRL);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_VMCTRL);
 	tmp |= TSI148_LCSR_VMCTRL_RMWEN;
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_VMCTRL);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_VMCTRL);
 
 	/* Kick process off with a read to the required address. */
 	result = ioread32be(image->kern_base + offset);
 
 	/* Disable RMW */
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_VMCTRL);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_VMCTRL);
 	tmp &= ~TSI148_LCSR_VMCTRL_RMWEN;
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_VMCTRL);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_VMCTRL);
 
 	spin_unlock(&(image->lock));
 
-	mutex_unlock(&(vme_rmw));
+	mutex_unlock(&(bridge->vme_rmw));
 
 	return result;
 }
@@ -1637,8 +1615,6 @@ static int tsi148_dma_set_vme_dest_attributes(u32 *attr, vme_address_t aspace,
 
 /*
  * Add a link list descriptor to the list
- *
- * XXX Need to handle 2eSST Broadcast select bits
  */
 int tsi148_dma_list_add (struct vme_dma_list *list, struct vme_dma_attr *src,
 	struct vme_dma_attr *dest, size_t count)
@@ -1651,7 +1627,7 @@ int tsi148_dma_list_add (struct vme_dma_list *list, struct vme_dma_attr *src,
 	dma_addr_t desc_ptr;
 	int retval = 0;
 
-	/* XXX descriptor must be aligned on 64-bit boundaries */
+	/* Descriptor must be aligned on 64-bit boundaries */
 	entry = (struct tsi148_dma_entry *)kmalloc(
 		sizeof(struct tsi148_dma_entry), GFP_KERNEL);
 	if (entry == NULL) {
@@ -1788,11 +1764,14 @@ err_mem:
 /*
  * Check to see if the provided DMA channel is busy.
  */
-static int tsi148_dma_busy(int channel)
+static int tsi148_dma_busy(struct vme_bridge *tsi148_bridge, int channel)
 {
 	u32 tmp;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_DMA[channel] +
+	tmp = ioread32be(bridge->base + TSI148_LCSR_DMA[channel] +
 		TSI148_LCSR_OFFSET_DSTA);
 
 	if (tmp & TSI148_LCSR_DSTA_BSY)
@@ -1815,12 +1794,12 @@ int tsi148_dma_list_exec(struct vme_dma_list *list)
 	dma_addr_t bus_addr;
 	u32 bus_addr_high, bus_addr_low;
 	u32 val, dctlreg = 0;
-#if 0
-	int x;
-#endif
+	struct tsi148_driver *bridge;
 
 	ctrlr = list->parent;
 
+	bridge = ctrlr->parent->driver_priv;
+
 	mutex_lock(&(ctrlr->mtx));
 
 	channel = ctrlr->number;
@@ -1837,48 +1816,6 @@ int tsi148_dma_list_exec(struct vme_dma_list *list)
 	} else {
 		list_add(&(list->list), &(ctrlr->running));
 	}
-#if 0
-	/* XXX Still todo */
-	for (x = 0; x < 8; x++) {	/* vme block size */
-		if ((32 << x) >= vmeDma->maxVmeBlockSize) {
-			break;
-		}
-	}
-	if (x == 8)
-		x = 7;
-	dctlreg |= (x << 12);
-
-	for (x = 0; x < 8; x++) {	/* pci block size */
-		if ((32 << x) >= vmeDma->maxPciBlockSize) {
-			break;
-		}
-	}
-	if (x == 8)
-		x = 7;
-	dctlreg |= (x << 4);
-
-	if (vmeDma->vmeBackOffTimer) {
-		for (x = 1; x < 8; x++) {	/* vme timer */
-			if ((1 << (x - 1)) >= vmeDma->vmeBackOffTimer) {
-				break;
-			}
-		}
-		if (x == 8)
-			x = 7;
-		dctlreg |= (x << 8);
-	}
-
-	if (vmeDma->pciBackOffTimer) {
-		for (x = 1; x < 8; x++) {	/* pci timer */
-			if ((1 << (x - 1)) >= vmeDma->pciBackOffTimer) {
-				break;
-			}
-		}
-		if (x == 8)
-			x = 7;
-		dctlreg |= (x << 0);
-	}
-#endif
 
 	/* Get first bus address and write into registers */
 	entry = list_first_entry(&(list->entries), struct tsi148_dma_entry,
@@ -1890,21 +1827,22 @@ int tsi148_dma_list_exec(struct vme_dma_list *list)
 
 	reg_split(bus_addr, &bus_addr_high, &bus_addr_low);
 
-	iowrite32be(bus_addr_high, tsi148_bridge->base +
+	iowrite32be(bus_addr_high, bridge->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DNLAU);
-	iowrite32be(bus_addr_low, tsi148_bridge->base +
+	iowrite32be(bus_addr_low, bridge->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DNLAL);
 
 	/* Start the operation */
-	iowrite32be(dctlreg | TSI148_LCSR_DCTL_DGO, tsi148_bridge->base +
+	iowrite32be(dctlreg | TSI148_LCSR_DCTL_DGO, bridge->base +
 		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DCTL);
 
-	wait_event_interruptible(dma_queue[channel], tsi148_dma_busy(channel));
+	wait_event_interruptible(bridge->dma_queue[channel],
+		tsi148_dma_busy(ctrlr->parent, channel));
 	/*
 	 * Read status register, this register is valid until we kick off a
 	 * new transfer.
 	 */
-	val = ioread32be(tsi148_bridge->base + TSI148_LCSR_DMA[channel] +
+	val = ioread32be(bridge->base + TSI148_LCSR_DMA[channel] +
 		TSI148_LCSR_OFFSET_DSTA);
 
 	if (val & TSI148_LCSR_DSTA_VBE) {
@@ -1952,12 +1890,15 @@ int tsi148_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base,
 {
 	u32 lm_base_high, lm_base_low, lm_ctl = 0;
 	int i;
+	struct tsi148_driver *bridge;
+
+	bridge = lm->parent->driver_priv;
 
 	mutex_lock(&(lm->mtx));
 
 	/* If we already have a callback attached, we can't move it! */
 	for (i = 0; i < lm->monitors; i++) {
-		if(lm_callback[i] != NULL) {
+		if (bridge->lm_callback[i] != NULL) {
 			mutex_unlock(&(lm->mtx));
 			printk("Location monitor callback attached, can't "
 				"reset\n");
@@ -1996,9 +1937,9 @@ int tsi148_lm_set(struct vme_lm_resource *lm, unsigned long long lm_base,
 
 	reg_split(lm_base, &lm_base_high, &lm_base_low);
 
-	iowrite32be(lm_base_high, tsi148_bridge->base + TSI148_LCSR_LMBAU);
-	iowrite32be(lm_base_low, tsi148_bridge->base + TSI148_LCSR_LMBAL);
-	iowrite32be(lm_ctl, tsi148_bridge->base + TSI148_LCSR_LMAT);
+	iowrite32be(lm_base_high, bridge->base + TSI148_LCSR_LMBAU);
+	iowrite32be(lm_base_low, bridge->base + TSI148_LCSR_LMBAL);
+	iowrite32be(lm_ctl, bridge->base + TSI148_LCSR_LMAT);
 
 	mutex_unlock(&(lm->mtx));
 
@@ -2012,12 +1953,15 @@ int tsi148_lm_get(struct vme_lm_resource *lm, unsigned long long *lm_base,
 	vme_address_t *aspace, vme_cycle_t *cycle)
 {
 	u32 lm_base_high, lm_base_low, lm_ctl, enabled = 0;
+	struct tsi148_driver *bridge;
+
+	bridge = lm->parent->driver_priv;
 
 	mutex_lock(&(lm->mtx));
 
-	lm_base_high = ioread32be(tsi148_bridge->base + TSI148_LCSR_LMBAU);
-	lm_base_low = ioread32be(tsi148_bridge->base + TSI148_LCSR_LMBAL);
-	lm_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_LMAT);
+	lm_base_high = ioread32be(bridge->base + TSI148_LCSR_LMBAU);
+	lm_base_low = ioread32be(bridge->base + TSI148_LCSR_LMBAL);
+	lm_ctl = ioread32be(bridge->base + TSI148_LCSR_LMAT);
 
 	reg_join(lm_base_high, lm_base_low, lm_base);
 
@@ -2060,11 +2004,14 @@ int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor,
 	void (*callback)(int))
 {
 	u32 lm_ctl, tmp;
+	struct tsi148_driver *bridge;
+
+	bridge = lm->parent->driver_priv;
 
 	mutex_lock(&(lm->mtx));
 
 	/* Ensure that the location monitor is configured - need PGM or DATA */
-	lm_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_LMAT);
+	lm_ctl = ioread32be(bridge->base + TSI148_LCSR_LMAT);
 	if ((lm_ctl & (TSI148_LCSR_LMAT_PGM | TSI148_LCSR_LMAT_DATA)) == 0) {
 		mutex_unlock(&(lm->mtx));
 		printk("Location monitor not properly configured\n");
@@ -2072,28 +2019,28 @@ int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor,
 	}
 
 	/* Check that a callback isn't already attached */
-	if (lm_callback[monitor] != NULL) {
+	if (bridge->lm_callback[monitor] != NULL) {
 		mutex_unlock(&(lm->mtx));
 		printk("Existing callback attached\n");
 		return -EBUSY;
 	}
 
 	/* Attach callback */
-	lm_callback[monitor] = callback;
+	bridge->lm_callback[monitor] = callback;
 
 	/* Enable Location Monitor interrupt */
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEN);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_INTEN);
 	tmp |= TSI148_LCSR_INTEN_LMEN[monitor];
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEN);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEN);
 
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEO);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_INTEO);
 	tmp |= TSI148_LCSR_INTEO_LMEO[monitor];
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEO);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEO);
 
 	/* Ensure that global Location Monitor Enable set */
 	if ((lm_ctl & TSI148_LCSR_LMAT_EN) == 0) {
 		lm_ctl |= TSI148_LCSR_LMAT_EN;
-		iowrite32be(lm_ctl, tsi148_bridge->base + TSI148_LCSR_LMAT);
+		iowrite32be(lm_ctl, bridge->base + TSI148_LCSR_LMAT);
 	}
 
 	mutex_unlock(&(lm->mtx));
@@ -2107,30 +2054,33 @@ int tsi148_lm_attach(struct vme_lm_resource *lm, int monitor,
 int tsi148_lm_detach(struct vme_lm_resource *lm, int monitor)
 {
 	u32 lm_en, tmp;
+	struct tsi148_driver *bridge;
+
+	bridge = lm->parent->driver_priv;
 
 	mutex_lock(&(lm->mtx));
 
 	/* Disable Location Monitor and ensure previous interrupts are clear */
-	lm_en = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEN);
+	lm_en = ioread32be(bridge->base + TSI148_LCSR_INTEN);
 	lm_en &= ~TSI148_LCSR_INTEN_LMEN[monitor];
-	iowrite32be(lm_en, tsi148_bridge->base + TSI148_LCSR_INTEN);
+	iowrite32be(lm_en, bridge->base + TSI148_LCSR_INTEN);
 
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_INTEO);
+	tmp = ioread32be(bridge->base + TSI148_LCSR_INTEO);
 	tmp &= ~TSI148_LCSR_INTEO_LMEO[monitor];
-	iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_INTEO);
+	iowrite32be(tmp, bridge->base + TSI148_LCSR_INTEO);
 
 	iowrite32be(TSI148_LCSR_INTC_LMC[monitor],
-		 tsi148_bridge->base + TSI148_LCSR_INTC);
+		 bridge->base + TSI148_LCSR_INTC);
 
 	/* Detach callback */
-	lm_callback[monitor] = NULL;
+	bridge->lm_callback[monitor] = NULL;
 
 	/* If all location monitors disabled, disable global Location Monitor */
 	if ((lm_en & (TSI148_LCSR_INTS_LM0S | TSI148_LCSR_INTS_LM1S |
 			TSI148_LCSR_INTS_LM2S | TSI148_LCSR_INTS_LM3S)) == 0) {
-		tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_LMAT);
+		tmp = ioread32be(bridge->base + TSI148_LCSR_LMAT);
 		tmp &= ~TSI148_LCSR_LMAT_EN;
-		iowrite32be(tmp, tsi148_bridge->base + TSI148_LCSR_LMAT);
+		iowrite32be(tmp, bridge->base + TSI148_LCSR_LMAT);
 	}
 
 	mutex_unlock(&(lm->mtx));
@@ -2141,12 +2091,19 @@ int tsi148_lm_detach(struct vme_lm_resource *lm, int monitor)
 /*
  * Determine Geographical Addressing
  */
-int tsi148_slot_get(void)
+int tsi148_slot_get(struct vme_bridge *tsi148_bridge)
 {
         u32 slot = 0;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
+
+	if (!geoid) {
+		slot = ioread32be(bridge->base + TSI148_LCSR_VSTAT);
+		slot = slot & TSI148_LCSR_VSTAT_GA_M;
+	} else
+		slot = geoid;
 
-	slot = ioread32be(tsi148_bridge->base + TSI148_LCSR_VSTAT);
-	slot = slot & TSI148_LCSR_VSTAT_GA_M;
 	return (int)slot;
 }
 
@@ -2167,45 +2124,50 @@ static int __init tsi148_init(void)
  * boards registers, this means there is a fix length 508kB window which must
  * be mapped onto PCI memory.
  */
-static int tsi148_crcsr_init(struct pci_dev *pdev)
+static int tsi148_crcsr_init(struct vme_bridge *tsi148_bridge,
+	struct pci_dev *pdev)
 {
 	u32 cbar, crat, vstat;
 	u32 crcsr_bus_high, crcsr_bus_low;
 	int retval;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	/* Allocate mem for CR/CSR image */
-	crcsr_kernel = pci_alloc_consistent(pdev, VME_CRCSR_BUF_SIZE,
-		&crcsr_bus);
-	if (crcsr_kernel == NULL) {
+	bridge->crcsr_kernel = pci_alloc_consistent(pdev, VME_CRCSR_BUF_SIZE,
+		&(bridge->crcsr_bus));
+	if (bridge->crcsr_kernel == NULL) {
 		dev_err(&pdev->dev, "Failed to allocate memory for CR/CSR "
 			"image\n");
 		return -ENOMEM;
 	}
 
-	memset(crcsr_kernel, 0, VME_CRCSR_BUF_SIZE);
+	memset(bridge->crcsr_kernel, 0, VME_CRCSR_BUF_SIZE);
 
-	reg_split(crcsr_bus, &crcsr_bus_high, &crcsr_bus_low);
+	reg_split(bridge->crcsr_bus, &crcsr_bus_high, &crcsr_bus_low);
 
-	iowrite32be(crcsr_bus_high, tsi148_bridge->base + TSI148_LCSR_CROU);
-	iowrite32be(crcsr_bus_low, tsi148_bridge->base + TSI148_LCSR_CROL);
+	iowrite32be(crcsr_bus_high, bridge->base + TSI148_LCSR_CROU);
+	iowrite32be(crcsr_bus_low, bridge->base + TSI148_LCSR_CROL);
 
 	/* Ensure that the CR/CSR is configured at the correct offset */
-	cbar = ioread32be(tsi148_bridge->base + TSI148_CBAR);
+	cbar = ioread32be(bridge->base + TSI148_CBAR);
 	cbar = (cbar & TSI148_CRCSR_CBAR_M)>>3;
 
-	vstat = tsi148_slot_get();
+	vstat = tsi148_slot_get(tsi148_bridge);
 
 	if (cbar != vstat) {
+		cbar = vstat;
 		dev_info(&pdev->dev, "Setting CR/CSR offset\n");
-		iowrite32be(cbar<<3, tsi148_bridge->base + TSI148_CBAR);
+		iowrite32be(cbar<<3, bridge->base + TSI148_CBAR);
 	}
 	dev_info(&pdev->dev, "CR/CSR Offset: %d\n", cbar);
 
-	crat = ioread32be(tsi148_bridge->base + TSI148_LCSR_CRAT);
+	crat = ioread32be(bridge->base + TSI148_LCSR_CRAT);
 	if (crat & TSI148_LCSR_CRAT_EN) {
 		dev_info(&pdev->dev, "Enabling CR/CSR space\n");
 		iowrite32be(crat | TSI148_LCSR_CRAT_EN,
-			tsi148_bridge->base + TSI148_LCSR_CRAT);
+			bridge->base + TSI148_LCSR_CRAT);
 	} else
 		dev_info(&pdev->dev, "CR/CSR already enabled\n");
 
@@ -2214,8 +2176,9 @@ static int tsi148_crcsr_init(struct pci_dev *pdev)
 	 * through VME writes.
 	 */
 	if(err_chk) {
-		retval = tsi148_master_set(flush_image, 1, (vstat * 0x80000),
-			0x80000, VME_CRCSR, VME_SCT, VME_D16);
+		retval = tsi148_master_set(bridge->flush_image, 1,
+			(vstat * 0x80000), 0x80000, VME_CRCSR, VME_SCT,
+			VME_D16);
 		if (retval)
 			dev_err(&pdev->dev, "Configuring flush image failed\n");
 	}
@@ -2224,20 +2187,25 @@ static int tsi148_crcsr_init(struct pci_dev *pdev)
 
 }
 
-static void tsi148_crcsr_exit(struct pci_dev *pdev)
+static void tsi148_crcsr_exit(struct vme_bridge *tsi148_bridge,
+	struct pci_dev *pdev)
 {
 	u32 crat;
+	struct tsi148_driver *bridge;
+
+	bridge = tsi148_bridge->driver_priv;
 
 	/* Turn off CR/CSR space */
-	crat = ioread32be(tsi148_bridge->base + TSI148_LCSR_CRAT);
+	crat = ioread32be(bridge->base + TSI148_LCSR_CRAT);
 	iowrite32be(crat & ~TSI148_LCSR_CRAT_EN,
-		tsi148_bridge->base + TSI148_LCSR_CRAT);
+		bridge->base + TSI148_LCSR_CRAT);
 
 	/* Free image */
-	iowrite32be(0, tsi148_bridge->base + TSI148_LCSR_CROU);
-	iowrite32be(0, tsi148_bridge->base + TSI148_LCSR_CROL);
+	iowrite32be(0, bridge->base + TSI148_LCSR_CROU);
+	iowrite32be(0, bridge->base + TSI148_LCSR_CROL);
 
-	pci_free_consistent(pdev, VME_CRCSR_BUF_SIZE, crcsr_kernel, crcsr_bus);
+	pci_free_consistent(pdev, VME_CRCSR_BUF_SIZE, bridge->crcsr_kernel,
+		bridge->crcsr_bus);
 }
 
 static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
@@ -2245,6 +2213,8 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	int retval, i, master_num;
 	u32 data;
 	struct list_head *pos = NULL;
+	struct vme_bridge *tsi148_bridge;
+	struct tsi148_driver *tsi148_device;
 	struct vme_master_resource *master_image;
 	struct vme_slave_resource *slave_image;
 	struct vme_dma_resource *dma_ctrlr;
@@ -2264,6 +2234,18 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	memset(tsi148_bridge, 0, sizeof(struct vme_bridge));
 
+	tsi148_device = kmalloc(sizeof(struct tsi148_driver), GFP_KERNEL);
+	if (tsi148_device == NULL) {
+		dev_err(&pdev->dev, "Failed to allocate memory for device "
+			"structure\n");
+		retval = -ENOMEM;
+		goto err_driver;
+	}
+
+	memset(tsi148_device, 0, sizeof(struct tsi148_driver));
+
+	tsi148_bridge->driver_priv = tsi148_device;
+
 	/* Enable the device */
 	retval = pci_enable_device(pdev);
 	if (retval) {
@@ -2279,15 +2261,16 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	/* map registers in BAR 0 */
-	tsi148_bridge->base = ioremap_nocache(pci_resource_start(pdev, 0), 4096);
-	if (!tsi148_bridge->base) {
+	tsi148_device->base = ioremap_nocache(pci_resource_start(pdev, 0),
+		4096);
+	if (!tsi148_device->base) {
 		dev_err(&pdev->dev, "Unable to remap CRG region\n");
 		retval = -EIO;
 		goto err_remap;
 	}
 
 	/* Check to see if the mapping worked out */
-	data = ioread32(tsi148_bridge->base + TSI148_PCFS_ID) & 0x0000FFFF;
+	data = ioread32(tsi148_device->base + TSI148_PCFS_ID) & 0x0000FFFF;
 	if (data != PCI_VENDOR_ID_TUNDRA) {
 		dev_err(&pdev->dev, "CRG region check failed\n");
 		retval = -EIO;
@@ -2295,12 +2278,11 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	}
 
 	/* Initialize wait queues & mutual exclusion flags */
-	/* XXX These need to be moved to the vme_bridge structure */
-	init_waitqueue_head(&dma_queue[0]);
-	init_waitqueue_head(&dma_queue[1]);
-	init_waitqueue_head(&iack_queue);
-	mutex_init(&(vme_int));
-	mutex_init(&(vme_rmw));
+	init_waitqueue_head(&(tsi148_device->dma_queue[0]));
+	init_waitqueue_head(&(tsi148_device->dma_queue[1]));
+	init_waitqueue_head(&(tsi148_device->iack_queue));
+	mutex_init(&(tsi148_device->vme_int));
+	mutex_init(&(tsi148_device->vme_rmw));
 
 	tsi148_bridge->parent = &(pdev->dev);
 	strcpy(tsi148_bridge->name, driver_name);
@@ -2320,29 +2302,29 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	master_num = TSI148_MAX_MASTER;
 	if(err_chk){
 		master_num--;
-		/* XXX */
-		flush_image = (struct vme_master_resource *)kmalloc(
-			sizeof(struct vme_master_resource), GFP_KERNEL);
-		if (flush_image == NULL) {
+
+		tsi148_device->flush_image = (struct vme_master_resource *)
+			kmalloc(sizeof(struct vme_master_resource), GFP_KERNEL);
+		if (tsi148_device->flush_image == NULL) {
 			dev_err(&pdev->dev, "Failed to allocate memory for "
 			"flush resource structure\n");
 			retval = -ENOMEM;
 			goto err_master;
 		}
-		flush_image->parent = tsi148_bridge;
-		spin_lock_init(&(flush_image->lock));
-		flush_image->locked = 1;
-		flush_image->number = master_num;
-		flush_image->address_attr = VME_A16 | VME_A24 | VME_A32 |
-			VME_A64;
-		flush_image->cycle_attr = VME_SCT | VME_BLT | VME_MBLT |
-			VME_2eVME | VME_2eSST | VME_2eSSTB | VME_2eSST160 |
-			VME_2eSST267 | VME_2eSST320 | VME_SUPER | VME_USER |
-			VME_PROG | VME_DATA;
-		flush_image->width_attr = VME_D16 | VME_D32;
-		memset(&(flush_image->pci_resource), 0,
+		tsi148_device->flush_image->parent = tsi148_bridge;
+		spin_lock_init(&(tsi148_device->flush_image->lock));
+		tsi148_device->flush_image->locked = 1;
+		tsi148_device->flush_image->number = master_num;
+		tsi148_device->flush_image->address_attr = VME_A16 | VME_A24 |
+			VME_A32 | VME_A64;
+		tsi148_device->flush_image->cycle_attr = VME_SCT | VME_BLT |
+			VME_MBLT | VME_2eVME | VME_2eSST | VME_2eSSTB |
+			VME_2eSST160 | VME_2eSST267 | VME_2eSST320 | VME_SUPER |
+			VME_USER | VME_PROG | VME_DATA;
+		tsi148_device->flush_image->width_attr = VME_D16 | VME_D32;
+		memset(&(tsi148_device->flush_image->bus_resource), 0,
 			sizeof(struct resource));
-		flush_image->kern_base  = NULL;
+		tsi148_device->flush_image->kern_base  = NULL;
 	}
 
 	/* Add master windows to list */
@@ -2367,7 +2349,7 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 			VME_2eSST267 | VME_2eSST320 | VME_SUPER | VME_USER |
 			VME_PROG | VME_DATA;
 		master_image->width_attr = VME_D16 | VME_D32;
-		memset(&(master_image->pci_resource), 0,
+		memset(&(master_image->bus_resource), 0,
 			sizeof(struct resource));
 		master_image->kern_base  = NULL;
 		list_add_tail(&(master_image->list),
@@ -2415,6 +2397,10 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		mutex_init(&(dma_ctrlr->mtx));
 		dma_ctrlr->locked = 0;
 		dma_ctrlr->number = i;
+		dma_ctrlr->route_attr = VME_DMA_VME_TO_MEM |
+			VME_DMA_MEM_TO_VME | VME_DMA_VME_TO_VME |
+			VME_DMA_MEM_TO_MEM | VME_DMA_PATTERN_TO_VME |
+			VME_DMA_PATTERN_TO_MEM;
 		INIT_LIST_HEAD(&(dma_ctrlr->pending));
 		INIT_LIST_HEAD(&(dma_ctrlr->running));
 		list_add_tail(&(dma_ctrlr->list),
@@ -2455,40 +2441,42 @@ static int tsi148_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	tsi148_bridge->lm_detach = tsi148_lm_detach;
 	tsi148_bridge->slot_get = tsi148_slot_get;
 
-	data = ioread32be(tsi148_bridge->base + TSI148_LCSR_VSTAT);
+	data = ioread32be(tsi148_device->base + TSI148_LCSR_VSTAT);
 	dev_info(&pdev->dev, "Board is%s the VME system controller\n",
 		(data & TSI148_LCSR_VSTAT_SCONS)? "" : " not");
-	dev_info(&pdev->dev, "VME geographical address is %d\n",
-		data & TSI148_LCSR_VSTAT_GA_M);
+	if (!geoid)
+		dev_info(&pdev->dev, "VME geographical address is %d\n",
+			data & TSI148_LCSR_VSTAT_GA_M);
+	else
+		dev_info(&pdev->dev, "VME geographical address is set to %d\n",
+			geoid);
+
 	dev_info(&pdev->dev, "VME Write and flush and error check is %s\n",
 		err_chk ? "enabled" : "disabled");
 
-	if(tsi148_crcsr_init(pdev)) {
+	if (tsi148_crcsr_init(tsi148_bridge, pdev))
 		dev_err(&pdev->dev, "CR/CSR configuration failed.\n");
 		goto err_crcsr;
 
-	}
-
-	/* Need to save tsi148_bridge pointer locally in link list for use in
-	 * tsi148_remove()
-	 */
 	retval = vme_register_bridge(tsi148_bridge);
 	if (retval != 0) {
 		dev_err(&pdev->dev, "Chip Registration failed.\n");
 		goto err_reg;
 	}
 
+	pci_set_drvdata(pdev, tsi148_bridge);
+
 	/* Clear VME bus "board fail", and "power-up reset" lines */
-	data = ioread32be(tsi148_bridge->base + TSI148_LCSR_VSTAT);
+	data = ioread32be(tsi148_device->base + TSI148_LCSR_VSTAT);
 	data &= ~TSI148_LCSR_VSTAT_BRDFL;
 	data |= TSI148_LCSR_VSTAT_CPURST;
-	iowrite32be(data, tsi148_bridge->base + TSI148_LCSR_VSTAT);
+	iowrite32be(data, tsi148_device->base + TSI148_LCSR_VSTAT);
 
 	return 0;
 
 	vme_unregister_bridge(tsi148_bridge);
 err_reg:
-	tsi148_crcsr_exit(pdev);
+	tsi148_crcsr_exit(tsi148_bridge, pdev);
 err_crcsr:
 err_lm:
 	/* resources are stored in link list */
@@ -2519,15 +2507,17 @@ err_master:
 		kfree(master_image);
 	}
 
-	tsi148_irq_exit(pdev);
+	tsi148_irq_exit(tsi148_device, pdev);
 err_irq:
 err_test:
-	iounmap(tsi148_bridge->base);
+	iounmap(tsi148_device->base);
 err_remap:
 	pci_release_regions(pdev);
 err_resource:
 	pci_disable_device(pdev);
 err_enable:
+	kfree(tsi148_device);
+err_driver:
 	kfree(tsi148_bridge);
 err_struct:
 	return retval;
@@ -2541,56 +2531,58 @@ static void tsi148_remove(struct pci_dev *pdev)
 	struct vme_slave_resource *slave_image;
 	struct vme_dma_resource *dma_ctrlr;
 	int i;
+	struct tsi148_driver *bridge;
+	struct vme_bridge *tsi148_bridge = pci_get_drvdata(pdev);
 
-	dev_dbg(&pdev->dev, "Driver is being unloaded.\n");
+	bridge = tsi148_bridge->driver_priv;
 
-	/* XXX We need to find the pdev->dev in the list of vme_bridge->dev's */
+
+	dev_dbg(&pdev->dev, "Driver is being unloaded.\n");
 
 	/*
 	 *  Shutdown all inbound and outbound windows.
 	 */
 	for (i = 0; i < 8; i++) {
-		iowrite32be(0, tsi148_bridge->base + TSI148_LCSR_IT[i] +
+		iowrite32be(0, bridge->base + TSI148_LCSR_IT[i] +
 			TSI148_LCSR_OFFSET_ITAT);
-		iowrite32be(0, tsi148_bridge->base + TSI148_LCSR_OT[i] +
+		iowrite32be(0, bridge->base + TSI148_LCSR_OT[i] +
 			TSI148_LCSR_OFFSET_OTAT);
 	}
 
 	/*
 	 *  Shutdown Location monitor.
 	 */
-	iowrite32be(0, tsi148_bridge->base + TSI148_LCSR_LMAT);
+	iowrite32be(0, bridge->base + TSI148_LCSR_LMAT);
 
 	/*
 	 *  Shutdown CRG map.
 	 */
-	iowrite32be(0, tsi148_bridge->base + TSI148_LCSR_CSRAT);
+	iowrite32be(0, bridge->base + TSI148_LCSR_CSRAT);
 
 	/*
 	 *  Clear error status.
 	 */
-	iowrite32be(0xFFFFFFFF, tsi148_bridge->base + TSI148_LCSR_EDPAT);
-	iowrite32be(0xFFFFFFFF, tsi148_bridge->base + TSI148_LCSR_VEAT);
-	iowrite32be(0x07000700, tsi148_bridge->base + TSI148_LCSR_PSTAT);
+	iowrite32be(0xFFFFFFFF, bridge->base + TSI148_LCSR_EDPAT);
+	iowrite32be(0xFFFFFFFF, bridge->base + TSI148_LCSR_VEAT);
+	iowrite32be(0x07000700, bridge->base + TSI148_LCSR_PSTAT);
 
 	/*
 	 *  Remove VIRQ interrupt (if any)
 	 */
-	if (ioread32be(tsi148_bridge->base + TSI148_LCSR_VICR) & 0x800) {
-		iowrite32be(0x8000, tsi148_bridge->base + TSI148_LCSR_VICR);
-	}
+	if (ioread32be(bridge->base + TSI148_LCSR_VICR) & 0x800)
+		iowrite32be(0x8000, bridge->base + TSI148_LCSR_VICR);
 
 	/*
 	 *  Map all Interrupts to PCI INTA
 	 */
-	iowrite32be(0x0, tsi148_bridge->base + TSI148_LCSR_INTM1);
-	iowrite32be(0x0, tsi148_bridge->base + TSI148_LCSR_INTM2);
+	iowrite32be(0x0, bridge->base + TSI148_LCSR_INTM1);
+	iowrite32be(0x0, bridge->base + TSI148_LCSR_INTM2);
 
-	tsi148_irq_exit(pdev);
+	tsi148_irq_exit(bridge, pdev);
 
 	vme_unregister_bridge(tsi148_bridge);
 
-	tsi148_crcsr_exit(pdev);
+	tsi148_crcsr_exit(tsi148_bridge, pdev);
 
 	/* resources are stored in link list */
 	list_for_each(pos, &(tsi148_bridge->dma_resources)) {
@@ -2608,19 +2600,22 @@ static void tsi148_remove(struct pci_dev *pdev)
 
 	/* resources are stored in link list */
 	list_for_each(pos, &(tsi148_bridge->master_resources)) {
-		master_image = list_entry(pos, struct vme_master_resource,				list);
+		master_image = list_entry(pos, struct vme_master_resource,
+			list);
 		list_del(pos);
 		kfree(master_image);
 	}
 
-	tsi148_irq_exit(pdev);
+	tsi148_irq_exit(bridge, pdev);
 
-	iounmap(tsi148_bridge->base);
+	iounmap(bridge->base);
 
 	pci_release_regions(pdev);
 
 	pci_disable_device(pdev);
 
+	kfree(tsi148_bridge->driver_priv);
+
 	kfree(tsi148_bridge);
 }
 
@@ -2634,250 +2629,11 @@ static void __exit tsi148_exit(void)
 MODULE_PARM_DESC(err_chk, "Check for VME errors on reads and writes");
 module_param(err_chk, bool, 0);
 
+MODULE_PARM_DESC(geoid, "Override geographical addressing");
+module_param(geoid, int, 0);
+
 MODULE_DESCRIPTION("VME driver for the Tundra Tempe VME bridge");
 MODULE_LICENSE("GPL");
 
 module_init(tsi148_init);
 module_exit(tsi148_exit);
-
-/*----------------------------------------------------------------------------
- * STAGING
- *--------------------------------------------------------------------------*/
-
-#if 0
-/*
- * Direct Mode DMA transfer
- *
- * XXX Not looking at direct mode for now, we can always use link list mode
- *     with a single entry.
- */
-int tsi148_dma_run(struct vme_dma_resource *resource, struct vme_dma_attr src,
-	struct vme_dma_attr dest, size_t count)
-{
-	u32 dctlreg = 0;
-	unsigned int tmp;
-	int val;
-	int channel, x;
-	struct vmeDmaPacket *cur_dma;
-	struct tsi148_dma_descriptor *dmaLL;
-
-	/* direct mode */
-	dctlreg = 0x800000;
-
-	for (x = 0; x < 8; x++) {	/* vme block size */
-		if ((32 << x) >= vmeDma->maxVmeBlockSize) {
-			break;
-		}
-	}
-	if (x == 8)
-		x = 7;
-	dctlreg |= (x << 12);
-
-	for (x = 0; x < 8; x++) {	/* pci block size */
-		if ((32 << x) >= vmeDma->maxPciBlockSize) {
-			break;
-		}
-	}
-	if (x == 8)
-		x = 7;
-	dctlreg |= (x << 4);
-
-	if (vmeDma->vmeBackOffTimer) {
-		for (x = 1; x < 8; x++) {	/* vme timer */
-			if ((1 << (x - 1)) >= vmeDma->vmeBackOffTimer) {
-				break;
-			}
-		}
-		if (x == 8)
-			x = 7;
-		dctlreg |= (x << 8);
-	}
-
-	if (vmeDma->pciBackOffTimer) {
-		for (x = 1; x < 8; x++) {	/* pci timer */
-			if ((1 << (x - 1)) >= vmeDma->pciBackOffTimer) {
-				break;
-			}
-		}
-		if (x == 8)
-			x = 7;
-		dctlreg |= (x << 0);
-	}
-
-	/* Program registers for DMA transfer */
-	iowrite32be(dmaLL->dsau, tsi148_bridge->base +
-		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DSAU);
-	iowrite32be(dmaLL->dsal, tsi148_bridge->base +
-		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DSAL);
-	iowrite32be(dmaLL->ddau, tsi148_bridge->base +
-		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DDAU);
-	iowrite32be(dmaLL->ddal, tsi148_bridge->base +
-		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DDAL);
-	iowrite32be(dmaLL->dsat, tsi148_bridge->base +
-		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DSAT);
-	iowrite32be(dmaLL->ddat, tsi148_bridge->base +
-		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DDAT);
-	iowrite32be(dmaLL->dcnt, tsi148_bridge->base +
-		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DCNT);
-	iowrite32be(dmaLL->ddbs, tsi148_bridge->base +
-		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DDBS);
-
-	/* Start the operation */
-	iowrite32be(dctlreg | 0x2000000, tsi148_bridge->base +
-		TSI148_LCSR_DMA[channel] + TSI148_LCSR_OFFSET_DCTL);
-
-	tmp = ioread32be(tsi148_bridge->base + TSI148_LCSR_DMA[channel] +
-		TSI148_LCSR_OFFSET_DSTA);
-	wait_event_interruptible(dma_queue[channel], (tmp & 0x1000000) == 0);
-
-	/*
-	 * Read status register, we should probably do this in some error
-	 * handler rather than here so that we can be sure we haven't kicked off
-	 * another DMA transfer.
-	 */
-	val = ioread32be(tsi148_bridge->base + TSI148_LCSR_DMA[channel] +
-		TSI148_LCSR_OFFSET_DSTA);
-
-	vmeDma->vmeDmaStatus = 0;
-	if (val & 0x10000000) {
-		printk(KERN_ERR
-			"DMA Error in DMA_tempe_irqhandler DSTA=%08X\n",
-			val);
-		vmeDma->vmeDmaStatus = val;
-
-	}
-	return (0);
-}
-#endif
-
-#if 0
-
-/* Global VME controller information */
-struct pci_dev *vme_pci_dev;
-
-/*
- * Set the VME bus arbiter with the requested attributes
- */
-int tempe_set_arbiter(vmeArbiterCfg_t * vmeArb)
-{
-	int temp_ctl = 0;
-	int gto = 0;
-
-	temp_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_VCTRL);
-	temp_ctl &= 0xFFEFFF00;
-
-	if (vmeArb->globalTimeoutTimer == 0xFFFFFFFF) {
-		gto = 8;
-	} else if (vmeArb->globalTimeoutTimer > 2048) {
-		return (-EINVAL);
-	} else if (vmeArb->globalTimeoutTimer == 0) {
-		gto = 0;
-	} else {
-		gto = 1;
-		while ((16 * (1 << (gto - 1))) < vmeArb->globalTimeoutTimer) {
-			gto += 1;
-		}
-	}
-	temp_ctl |= gto;
-
-	if (vmeArb->arbiterMode != VME_PRIORITY_MODE) {
-		temp_ctl |= 1 << 6;
-	}
-
-	if (vmeArb->arbiterTimeoutFlag) {
-		temp_ctl |= 1 << 7;
-	}
-
-	if (vmeArb->noEarlyReleaseFlag) {
-		temp_ctl |= 1 << 20;
-	}
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_VCTRL);
-
-	return (0);
-}
-
-/*
- * Return the attributes of the VME bus arbiter.
- */
-int tempe_get_arbiter(vmeArbiterCfg_t * vmeArb)
-{
-	int temp_ctl = 0;
-	int gto = 0;
-
-
-	temp_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_VCTRL);
-
-	gto = temp_ctl & 0xF;
-	if (gto != 0) {
-		vmeArb->globalTimeoutTimer = (16 * (1 << (gto - 1)));
-	}
-
-	if (temp_ctl & (1 << 6)) {
-		vmeArb->arbiterMode = VME_R_ROBIN_MODE;
-	} else {
-		vmeArb->arbiterMode = VME_PRIORITY_MODE;
-	}
-
-	if (temp_ctl & (1 << 7)) {
-		vmeArb->arbiterTimeoutFlag = 1;
-	}
-
-	if (temp_ctl & (1 << 20)) {
-		vmeArb->noEarlyReleaseFlag = 1;
-	}
-
-	return (0);
-}
-
-/*
- * Set the VME bus requestor with the requested attributes
- */
-int tempe_set_requestor(vmeRequesterCfg_t * vmeReq)
-{
-	int temp_ctl = 0;
-
-	temp_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_VMCTRL);
-	temp_ctl &= 0xFFFF0000;
-
-	if (vmeReq->releaseMode == 1) {
-		temp_ctl |= (1 << 3);
-	}
-
-	if (vmeReq->fairMode == 1) {
-		temp_ctl |= (1 << 2);
-	}
-
-	temp_ctl |= (vmeReq->timeonTimeoutTimer & 7) << 8;
-	temp_ctl |= (vmeReq->timeoffTimeoutTimer & 7) << 12;
-	temp_ctl |= vmeReq->requestLevel;
-
-	iowrite32be(temp_ctl, tsi148_bridge->base + TSI148_LCSR_VMCTRL);
-	return (0);
-}
-
-/*
- * Return the attributes of the VME bus requestor
- */
-int tempe_get_requestor(vmeRequesterCfg_t * vmeReq)
-{
-	int temp_ctl = 0;
-
-	temp_ctl = ioread32be(tsi148_bridge->base + TSI148_LCSR_VMCTRL);
-
-	if (temp_ctl & 0x18) {
-		vmeReq->releaseMode = 1;
-	}
-
-	if (temp_ctl & (1 << 2)) {
-		vmeReq->fairMode = 1;
-	}
-
-	vmeReq->requestLevel = temp_ctl & 3;
-	vmeReq->timeonTimeoutTimer = (temp_ctl >> 8) & 7;
-	vmeReq->timeoffTimeoutTimer = (temp_ctl >> 12) & 7;
-
-	return (0);
-}
-
-
-#endif
diff --git a/drivers/staging/vme/bridges/vme_tsi148.h b/drivers/staging/vme/bridges/vme_tsi148.h
index 6f0f705ce6be..9e5f7fa1d744 100644
--- a/drivers/staging/vme/bridges/vme_tsi148.h
+++ b/drivers/staging/vme/bridges/vme_tsi148.h
@@ -33,6 +33,22 @@
 #define TSI148_MAX_MAILBOX		4	/* Max Mail Box registers */
 #define TSI148_MAX_SEMAPHORE		8	/* Max Semaphores */
 
+/* Structure used to hold driver specific information */
+struct tsi148_driver {
+	void *base;	/* Base Address of device registers */
+	wait_queue_head_t dma_queue[2];
+	wait_queue_head_t iack_queue;
+	void (*lm_callback[4])(int);	/* Called in interrupt handler */
+	void *crcsr_kernel;
+	dma_addr_t crcsr_bus;
+	struct vme_master_resource *flush_image;
+	struct mutex vme_rmw;		/* Only one RMW cycle at a time */
+	struct mutex vme_int;		/*
+					 * Only one VME interrupt can be
+					 * generated at a time, provide locking
+					 */
+};
+
 /*
  * Layout of a DMAC Linked-List Descriptor
  *
diff --git a/drivers/staging/vme/devices/vme_user.c b/drivers/staging/vme/devices/vme_user.c
index e228942ee081..c60c80fb241d 100644
--- a/drivers/staging/vme/devices/vme_user.c
+++ b/drivers/staging/vme/devices/vme_user.c
@@ -1,8 +1,8 @@
 /*
  * VMEbus User access driver
  *
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Author: Martyn Welch <martyn.welch@ge.com>
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
  * Based on work by:
  *   Tom Armistead and Ajit Prem
@@ -400,8 +400,39 @@ static ssize_t vme_user_write(struct file *file, const char *buf, size_t count,
 
 static loff_t vme_user_llseek(struct file *file, loff_t off, int whence)
 {
-	printk(KERN_ERR "Llseek currently incomplete\n");
-	return -EINVAL;
+	loff_t absolute = -1;
+	unsigned int minor = MINOR(file->f_dentry->d_inode->i_rdev);
+	size_t image_size;
+
+	down(&image[minor].sem);
+	image_size = vme_get_size(image[minor].resource);
+
+	switch (whence) {
+	case SEEK_SET:
+		absolute = off;
+		break;
+	case SEEK_CUR:
+		absolute = file->f_pos + off;
+		break;
+	case SEEK_END:
+		absolute = image_size + off;
+		break;
+	default:
+		up(&image[minor].sem);
+		return -EINVAL;
+		break;
+	}
+
+	if ((absolute < 0) || (absolute >= image_size)) {
+		up(&image[minor].sem);
+		return -EINVAL;
+	}
+
+	file->f_pos = absolute;
+
+	up(&image[minor].sem);
+
+	return absolute;
 }
 
 /*
@@ -574,8 +605,8 @@ static int __init vme_user_init(void)
 	 * in future revisions if that ever becomes necessary.
 	 */
 	if (bus_num > USER_BUS_MAX) {
-		printk(KERN_ERR "%s: Driver only able to handle %d PIO2 "
-			"Cards\n", driver_name, USER_BUS_MAX);
+		printk(KERN_ERR "%s: Driver only able to handle %d buses\n",
+			driver_name, USER_BUS_MAX);
 		bus_num = USER_BUS_MAX;
 	}
 
@@ -670,8 +701,12 @@ static int __init vme_user_probe(struct device *dev, int cur_bus, int cur_slot)
 	/* Request slave resources and allocate buffers (128kB wide) */
 	for (i = SLAVE_MINOR; i < (SLAVE_MAX + 1); i++) {
 		/* XXX Need to properly request attributes */
+		/* For ca91cx42 bridge there are only two slave windows
+		 * supporting A16 addressing, so we request A24 supported
+		 * by all windows.
+		 */
 		image[i].resource = vme_slave_request(vme_user_bridge,
-			VME_A16, VME_SCT);
+			VME_A24, VME_SCT);
 		if (image[i].resource == NULL) {
 			printk(KERN_WARNING "Unable to allocate slave "
 				"resource\n");
@@ -703,6 +738,14 @@ static int __init vme_user_probe(struct device *dev, int cur_bus, int cur_slot)
 				"resource\n");
 			goto err_master;
 		}
+		image[i].size_buf = PCI_BUF_SIZE;
+		image[i].kern_buf = kmalloc(image[i].size_buf, GFP_KERNEL);
+		if (image[i].kern_buf == NULL) {
+			printk(KERN_WARNING "Unable to allocate memory for "
+				"master window buffers\n");
+			err = -ENOMEM;
+			goto err_master_buf;
+		}
 	}
 
 	/* Create sysfs entries - on udev systems this creates the dev files */
@@ -756,6 +799,9 @@ err_sysfs:
 
 	/* Ensure counter set correcty to unalloc all master windows */
 	i = MASTER_MAX + 1;
+err_master_buf:
+	for (i = MASTER_MINOR; i < (MASTER_MAX + 1); i++)
+		kfree(image[i].kern_buf);
 err_master:
 	while (i > MASTER_MINOR) {
 		i--;
@@ -791,6 +837,9 @@ static int __exit vme_user_remove(struct device *dev, int cur_bus, int cur_slot)
 	}
 	class_destroy(vme_user_sysfs_class);
 
+	for (i = MASTER_MINOR; i < (MASTER_MAX + 1); i++)
+		kfree(image[i].kern_buf);
+
 	for (i = SLAVE_MINOR; i < (SLAVE_MAX + 1); i++) {
 		vme_slave_set(image[i].resource, 0, 0, 0, 0, VME_A32, 0);
 		vme_slave_free(image[i].resource);
@@ -818,7 +867,7 @@ MODULE_PARM_DESC(bus, "Enumeration of VMEbus to which the driver is connected");
 module_param_array(bus, int, &bus_num, 0);
 
 MODULE_DESCRIPTION("VME User Space Access Driver");
-MODULE_AUTHOR("Martyn Welch <martyn.welch@gefanuc.com");
+MODULE_AUTHOR("Martyn Welch <martyn.welch@ge.com");
 MODULE_LICENSE("GPL");
 
 module_init(vme_user_init);
diff --git a/drivers/staging/vme/vme.c b/drivers/staging/vme/vme.c
index 994fdb9b2127..d6d84ebeeec0 100644
--- a/drivers/staging/vme/vme.c
+++ b/drivers/staging/vme/vme.c
@@ -1,8 +1,8 @@
 /*
  * VME Bridge Framework
  *
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Author: Martyn Welch <martyn.welch@ge.com>
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
  * Based on work by Tom Armistead and Ajit Prem
  * Copyright 2004 Motorola Inc.
@@ -37,8 +37,8 @@
 static unsigned int vme_bus_numbers;
 DEFINE_MUTEX(vme_bus_num_mtx);
 
-static void __exit vme_exit (void);
-static int __init vme_init (void);
+static void __exit vme_exit(void);
+static int __init vme_init(void);
 
 
 /*
@@ -86,26 +86,26 @@ static struct vme_bridge *find_bridge(struct vme_resource *resource)
  * XXX VME bridges could be available on buses other than PCI. At the momment
  *     this framework only supports PCI devices.
  */
-void * vme_alloc_consistent(struct vme_resource *resource, size_t size,
+void *vme_alloc_consistent(struct vme_resource *resource, size_t size,
 	dma_addr_t *dma)
 {
 	struct vme_bridge *bridge;
 	struct pci_dev *pdev;
 
-	if(resource == NULL) {
-		printk("No resource\n");
+	if (resource == NULL) {
+		printk(KERN_ERR "No resource\n");
 		return NULL;
 	}
 
 	bridge = find_bridge(resource);
-	if(bridge == NULL) {
-		printk("Can't find bridge\n");
+	if (bridge == NULL) {
+		printk(KERN_ERR "Can't find bridge\n");
 		return NULL;
 	}
 
 	/* Find pci_dev container of dev */
 	if (bridge->parent == NULL) {
-		printk("Dev entry NULL\n");
+		printk(KERN_ERR "Dev entry NULL\n");
 		return NULL;
 	}
 	pdev = container_of(bridge->parent, struct pci_dev, dev);
@@ -126,14 +126,14 @@ void vme_free_consistent(struct vme_resource *resource, size_t size,
 	struct vme_bridge *bridge;
 	struct pci_dev *pdev;
 
-	if(resource == NULL) {
-		printk("No resource\n");
+	if (resource == NULL) {
+		printk(KERN_ERR "No resource\n");
 		return;
 	}
 
 	bridge = find_bridge(resource);
-	if(bridge == NULL) {
-		printk("Can't find bridge\n");
+	if (bridge == NULL) {
+		printk(KERN_ERR "Can't find bridge\n");
 		return;
 	}
 
@@ -216,7 +216,7 @@ static int vme_check_window(vme_address_t aspace, unsigned long long vme_base,
 		/* User Defined */
 		break;
 	default:
-		printk("Invalid address space\n");
+		printk(KERN_ERR "Invalid address space\n");
 		retval = -EINVAL;
 		break;
 	}
@@ -228,7 +228,7 @@ static int vme_check_window(vme_address_t aspace, unsigned long long vme_base,
  * Request a slave image with specific attributes, return some unique
  * identifier.
  */
-struct vme_resource * vme_slave_request(struct device *dev,
+struct vme_resource *vme_slave_request(struct device *dev,
 	vme_address_t address, vme_cycle_t cycle)
 {
 	struct vme_bridge *bridge;
@@ -249,13 +249,13 @@ struct vme_resource * vme_slave_request(struct device *dev,
 			struct vme_slave_resource, list);
 
 		if (slave_image == NULL) {
-			printk("Registered NULL Slave resource\n");
+			printk(KERN_ERR "Registered NULL Slave resource\n");
 			continue;
 		}
 
 		/* Find an unlocked and compatible image */
 		mutex_lock(&(slave_image->mtx));
-		if(((slave_image->address_attr & address) == address) &&
+		if (((slave_image->address_attr & address) == address) &&
 			((slave_image->cycle_attr & cycle) == cycle) &&
 			(slave_image->locked == 0)) {
 
@@ -292,7 +292,7 @@ err_bus:
 }
 EXPORT_SYMBOL(vme_slave_request);
 
-int vme_slave_set (struct vme_resource *resource, int enabled,
+int vme_slave_set(struct vme_resource *resource, int enabled,
 	unsigned long long vme_base, unsigned long long size,
 	dma_addr_t buf_base, vme_address_t aspace, vme_cycle_t cycle)
 {
@@ -301,25 +301,25 @@ int vme_slave_set (struct vme_resource *resource, int enabled,
 	int retval;
 
 	if (resource->type != VME_SLAVE) {
-		printk("Not a slave resource\n");
+		printk(KERN_ERR "Not a slave resource\n");
 		return -EINVAL;
 	}
 
 	image = list_entry(resource->entry, struct vme_slave_resource, list);
 
 	if (bridge->slave_set == NULL) {
-		printk("Function not supported\n");
+		printk(KERN_ERR "Function not supported\n");
 		return -ENOSYS;
 	}
 
-	if(!(((image->address_attr & aspace) == aspace) &&
+	if (!(((image->address_attr & aspace) == aspace) &&
 		((image->cycle_attr & cycle) == cycle))) {
-		printk("Invalid attributes\n");
+		printk(KERN_ERR "Invalid attributes\n");
 		return -EINVAL;
 	}
 
 	retval = vme_check_window(aspace, vme_base, size);
-	if(retval)
+	if (retval)
 		return retval;
 
 	return bridge->slave_set(image, enabled, vme_base, size, buf_base,
@@ -327,7 +327,7 @@ int vme_slave_set (struct vme_resource *resource, int enabled,
 }
 EXPORT_SYMBOL(vme_slave_set);
 
-int vme_slave_get (struct vme_resource *resource, int *enabled,
+int vme_slave_get(struct vme_resource *resource, int *enabled,
 	unsigned long long *vme_base, unsigned long long *size,
 	dma_addr_t *buf_base, vme_address_t *aspace, vme_cycle_t *cycle)
 {
@@ -335,14 +335,14 @@ int vme_slave_get (struct vme_resource *resource, int *enabled,
 	struct vme_slave_resource *image;
 
 	if (resource->type != VME_SLAVE) {
-		printk("Not a slave resource\n");
+		printk(KERN_ERR "Not a slave resource\n");
 		return -EINVAL;
 	}
 
 	image = list_entry(resource->entry, struct vme_slave_resource, list);
 
 	if (bridge->slave_get == NULL) {
-		printk("vme_slave_get not supported\n");
+		printk(KERN_ERR "vme_slave_get not supported\n");
 		return -EINVAL;
 	}
 
@@ -356,14 +356,14 @@ void vme_slave_free(struct vme_resource *resource)
 	struct vme_slave_resource *slave_image;
 
 	if (resource->type != VME_SLAVE) {
-		printk("Not a slave resource\n");
+		printk(KERN_ERR "Not a slave resource\n");
 		return;
 	}
 
 	slave_image = list_entry(resource->entry, struct vme_slave_resource,
 		list);
 	if (slave_image == NULL) {
-		printk("Can't find slave resource\n");
+		printk(KERN_ERR "Can't find slave resource\n");
 		return;
 	}
 
@@ -384,7 +384,7 @@ EXPORT_SYMBOL(vme_slave_free);
  * Request a master image with specific attributes, return some unique
  * identifier.
  */
-struct vme_resource * vme_master_request(struct device *dev,
+struct vme_resource *vme_master_request(struct device *dev,
 	vme_address_t address, vme_cycle_t cycle, vme_width_t dwidth)
 {
 	struct vme_bridge *bridge;
@@ -411,7 +411,7 @@ struct vme_resource * vme_master_request(struct device *dev,
 
 		/* Find an unlocked and compatible image */
 		spin_lock(&(master_image->lock));
-		if(((master_image->address_attr & address) == address) &&
+		if (((master_image->address_attr & address) == address) &&
 			((master_image->cycle_attr & cycle) == cycle) &&
 			((master_image->width_attr & dwidth) == dwidth) &&
 			(master_image->locked == 0)) {
@@ -452,7 +452,7 @@ err_bus:
 }
 EXPORT_SYMBOL(vme_master_request);
 
-int vme_master_set (struct vme_resource *resource, int enabled,
+int vme_master_set(struct vme_resource *resource, int enabled,
 	unsigned long long vme_base, unsigned long long size,
 	vme_address_t aspace, vme_cycle_t cycle, vme_width_t dwidth)
 {
@@ -461,26 +461,26 @@ int vme_master_set (struct vme_resource *resource, int enabled,
 	int retval;
 
 	if (resource->type != VME_MASTER) {
-		printk("Not a master resource\n");
+		printk(KERN_ERR "Not a master resource\n");
 		return -EINVAL;
 	}
 
 	image = list_entry(resource->entry, struct vme_master_resource, list);
 
 	if (bridge->master_set == NULL) {
-		printk("vme_master_set not supported\n");
+		printk(KERN_WARNING "vme_master_set not supported\n");
 		return -EINVAL;
 	}
 
-	if(!(((image->address_attr & aspace) == aspace) &&
+	if (!(((image->address_attr & aspace) == aspace) &&
 		((image->cycle_attr & cycle) == cycle) &&
 		((image->width_attr & dwidth) == dwidth))) {
-		printk("Invalid attributes\n");
+		printk(KERN_WARNING "Invalid attributes\n");
 		return -EINVAL;
 	}
 
 	retval = vme_check_window(aspace, vme_base, size);
-	if(retval)
+	if (retval)
 		return retval;
 
 	return bridge->master_set(image, enabled, vme_base, size, aspace,
@@ -488,7 +488,7 @@ int vme_master_set (struct vme_resource *resource, int enabled,
 }
 EXPORT_SYMBOL(vme_master_set);
 
-int vme_master_get (struct vme_resource *resource, int *enabled,
+int vme_master_get(struct vme_resource *resource, int *enabled,
 	unsigned long long *vme_base, unsigned long long *size,
 	vme_address_t *aspace, vme_cycle_t *cycle, vme_width_t *dwidth)
 {
@@ -496,14 +496,14 @@ int vme_master_get (struct vme_resource *resource, int *enabled,
 	struct vme_master_resource *image;
 
 	if (resource->type != VME_MASTER) {
-		printk("Not a master resource\n");
+		printk(KERN_ERR "Not a master resource\n");
 		return -EINVAL;
 	}
 
 	image = list_entry(resource->entry, struct vme_master_resource, list);
 
 	if (bridge->master_get == NULL) {
-		printk("vme_master_set not supported\n");
+		printk(KERN_WARNING "vme_master_set not supported\n");
 		return -EINVAL;
 	}
 
@@ -515,7 +515,7 @@ EXPORT_SYMBOL(vme_master_get);
 /*
  * Read data out of VME space into a buffer.
  */
-ssize_t vme_master_read (struct vme_resource *resource, void *buf, size_t count,
+ssize_t vme_master_read(struct vme_resource *resource, void *buf, size_t count,
 	loff_t offset)
 {
 	struct vme_bridge *bridge = find_bridge(resource);
@@ -523,12 +523,12 @@ ssize_t vme_master_read (struct vme_resource *resource, void *buf, size_t count,
 	size_t length;
 
 	if (bridge->master_read == NULL) {
-		printk("Reading from resource not supported\n");
+		printk(KERN_WARNING "Reading from resource not supported\n");
 		return -EINVAL;
 	}
 
 	if (resource->type != VME_MASTER) {
-		printk("Not a master resource\n");
+		printk(KERN_ERR "Not a master resource\n");
 		return -EINVAL;
 	}
 
@@ -537,7 +537,7 @@ ssize_t vme_master_read (struct vme_resource *resource, void *buf, size_t count,
 	length = vme_get_size(resource);
 
 	if (offset > length) {
-		printk("Invalid Offset\n");
+		printk(KERN_WARNING "Invalid Offset\n");
 		return -EFAULT;
 	}
 
@@ -552,7 +552,7 @@ EXPORT_SYMBOL(vme_master_read);
 /*
  * Write data out to VME space from a buffer.
  */
-ssize_t vme_master_write (struct vme_resource *resource, void *buf,
+ssize_t vme_master_write(struct vme_resource *resource, void *buf,
 	size_t count, loff_t offset)
 {
 	struct vme_bridge *bridge = find_bridge(resource);
@@ -560,12 +560,12 @@ ssize_t vme_master_write (struct vme_resource *resource, void *buf,
 	size_t length;
 
 	if (bridge->master_write == NULL) {
-		printk("Writing to resource not supported\n");
+		printk(KERN_WARNING "Writing to resource not supported\n");
 		return -EINVAL;
 	}
 
 	if (resource->type != VME_MASTER) {
-		printk("Not a master resource\n");
+		printk(KERN_ERR "Not a master resource\n");
 		return -EINVAL;
 	}
 
@@ -574,7 +574,7 @@ ssize_t vme_master_write (struct vme_resource *resource, void *buf,
 	length = vme_get_size(resource);
 
 	if (offset > length) {
-		printk("Invalid Offset\n");
+		printk(KERN_WARNING "Invalid Offset\n");
 		return -EFAULT;
 	}
 
@@ -588,19 +588,19 @@ EXPORT_SYMBOL(vme_master_write);
 /*
  * Perform RMW cycle to provided location.
  */
-unsigned int vme_master_rmw (struct vme_resource *resource, unsigned int mask,
+unsigned int vme_master_rmw(struct vme_resource *resource, unsigned int mask,
 	unsigned int compare, unsigned int swap, loff_t offset)
 {
 	struct vme_bridge *bridge = find_bridge(resource);
 	struct vme_master_resource *image;
 
 	if (bridge->master_rmw == NULL) {
-		printk("Writing to resource not supported\n");
+		printk(KERN_WARNING "Writing to resource not supported\n");
 		return -EINVAL;
 	}
 
 	if (resource->type != VME_MASTER) {
-		printk("Not a master resource\n");
+		printk(KERN_ERR "Not a master resource\n");
 		return -EINVAL;
 	}
 
@@ -615,14 +615,14 @@ void vme_master_free(struct vme_resource *resource)
 	struct vme_master_resource *master_image;
 
 	if (resource->type != VME_MASTER) {
-		printk("Not a master resource\n");
+		printk(KERN_ERR "Not a master resource\n");
 		return;
 	}
 
 	master_image = list_entry(resource->entry, struct vme_master_resource,
 		list);
 	if (master_image == NULL) {
-		printk("Can't find master resource\n");
+		printk(KERN_ERR "Can't find master resource\n");
 		return;
 	}
 
@@ -643,7 +643,7 @@ EXPORT_SYMBOL(vme_master_free);
  * Request a DMA controller with specific attributes, return some unique
  * identifier.
  */
-struct vme_resource *vme_dma_request(struct device *dev)
+struct vme_resource *vme_dma_request(struct device *dev, vme_dma_route_t route)
 {
 	struct vme_bridge *bridge;
 	struct list_head *dma_pos = NULL;
@@ -666,13 +666,15 @@ struct vme_resource *vme_dma_request(struct device *dev)
 			struct vme_dma_resource, list);
 
 		if (dma_ctrlr == NULL) {
-			printk("Registered NULL DMA resource\n");
+			printk(KERN_ERR "Registered NULL DMA resource\n");
 			continue;
 		}
 
-		/* Find an unlocked controller */
+		/* Find an unlocked and compatible controller */
 		mutex_lock(&(dma_ctrlr->mtx));
-		if(dma_ctrlr->locked == 0) {
+		if (((dma_ctrlr->route_attr & route) == route) &&
+			(dma_ctrlr->locked == 0)) {
+
 			dma_ctrlr->locked = 1;
 			mutex_unlock(&(dma_ctrlr->mtx));
 			allocated_ctrlr = dma_ctrlr;
@@ -715,16 +717,15 @@ struct vme_dma_list *vme_new_dma_list(struct vme_resource *resource)
 	struct vme_dma_list *dma_list;
 
 	if (resource->type != VME_DMA) {
-		printk("Not a DMA resource\n");
+		printk(KERN_ERR "Not a DMA resource\n");
 		return NULL;
 	}
 
 	ctrlr = list_entry(resource->entry, struct vme_dma_resource, list);
 
-	dma_list = (struct vme_dma_list *)kmalloc(
-		sizeof(struct vme_dma_list), GFP_KERNEL);
-	if(dma_list == NULL) {
-		printk("Unable to allocate memory for new dma list\n");
+	dma_list = kmalloc(sizeof(struct vme_dma_list), GFP_KERNEL);
+	if (dma_list == NULL) {
+		printk(KERN_ERR "Unable to allocate memory for new dma list\n");
 		return NULL;
 	}
 	INIT_LIST_HEAD(&(dma_list->entries));
@@ -744,17 +745,17 @@ struct vme_dma_attr *vme_dma_pattern_attribute(u32 pattern,
 	struct vme_dma_attr *attributes;
 	struct vme_dma_pattern *pattern_attr;
 
-	attributes = (struct vme_dma_attr *)kmalloc(
-		sizeof(struct vme_dma_attr), GFP_KERNEL);
-	if(attributes == NULL) {
-		printk("Unable to allocate memory for attributes structure\n");
+	attributes = kmalloc(sizeof(struct vme_dma_attr), GFP_KERNEL);
+	if (attributes == NULL) {
+		printk(KERN_ERR "Unable to allocate memory for attributes "
+			"structure\n");
 		goto err_attr;
 	}
 
-	pattern_attr = (struct vme_dma_pattern *)kmalloc(
-		sizeof(struct vme_dma_pattern), GFP_KERNEL);
-	if(pattern_attr == NULL) {
-		printk("Unable to allocate memory for pattern attributes\n");
+	pattern_attr = kmalloc(sizeof(struct vme_dma_pattern), GFP_KERNEL);
+	if (pattern_attr == NULL) {
+		printk(KERN_ERR "Unable to allocate memory for pattern "
+			"attributes\n");
 		goto err_pat;
 	}
 
@@ -784,17 +785,17 @@ struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t address)
 
 	/* XXX Run some sanity checks here */
 
-	attributes = (struct vme_dma_attr *)kmalloc(
-		sizeof(struct vme_dma_attr), GFP_KERNEL);
-	if(attributes == NULL) {
-		printk("Unable to allocate memory for attributes structure\n");
+	attributes = kmalloc(sizeof(struct vme_dma_attr), GFP_KERNEL);
+	if (attributes == NULL) {
+		printk(KERN_ERR "Unable to allocate memory for attributes "
+			"structure\n");
 		goto err_attr;
 	}
 
-	pci_attr = (struct vme_dma_pci *)kmalloc(sizeof(struct vme_dma_pci),
-		GFP_KERNEL);
-	if(pci_attr == NULL) {
-		printk("Unable to allocate memory for pci attributes\n");
+	pci_attr = kmalloc(sizeof(struct vme_dma_pci), GFP_KERNEL);
+	if (pci_attr == NULL) {
+		printk(KERN_ERR "Unable to allocate memory for pci "
+			"attributes\n");
 		goto err_pci;
 	}
 
@@ -824,19 +825,18 @@ struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long address,
 	struct vme_dma_attr *attributes;
 	struct vme_dma_vme *vme_attr;
 
-	/* XXX Run some sanity checks here */
-
-	attributes = (struct vme_dma_attr *)kmalloc(
+	attributes = kmalloc(
 		sizeof(struct vme_dma_attr), GFP_KERNEL);
-	if(attributes == NULL) {
-		printk("Unable to allocate memory for attributes structure\n");
+	if (attributes == NULL) {
+		printk(KERN_ERR "Unable to allocate memory for attributes "
+			"structure\n");
 		goto err_attr;
 	}
 
-	vme_attr = (struct vme_dma_vme *)kmalloc(sizeof(struct vme_dma_vme),
-		GFP_KERNEL);
-	if(vme_attr == NULL) {
-		printk("Unable to allocate memory for vme attributes\n");
+	vme_attr = kmalloc(sizeof(struct vme_dma_vme), GFP_KERNEL);
+	if (vme_attr == NULL) {
+		printk(KERN_ERR "Unable to allocate memory for vme "
+			"attributes\n");
 		goto err_vme;
 	}
 
@@ -875,12 +875,12 @@ int vme_dma_list_add(struct vme_dma_list *list, struct vme_dma_attr *src,
 	int retval;
 
 	if (bridge->dma_list_add == NULL) {
-		printk("Link List DMA generation not supported\n");
+		printk(KERN_WARNING "Link List DMA generation not supported\n");
 		return -EINVAL;
 	}
 
 	if (!mutex_trylock(&(list->mtx))) {
-		printk("Link List already submitted\n");
+		printk(KERN_ERR "Link List already submitted\n");
 		return -EINVAL;
 	}
 
@@ -898,7 +898,7 @@ int vme_dma_list_exec(struct vme_dma_list *list)
 	int retval;
 
 	if (bridge->dma_list_exec == NULL) {
-		printk("Link List DMA execution not supported\n");
+		printk(KERN_ERR "Link List DMA execution not supported\n");
 		return -EINVAL;
 	}
 
@@ -918,12 +918,12 @@ int vme_dma_list_free(struct vme_dma_list *list)
 	int retval;
 
 	if (bridge->dma_list_empty == NULL) {
-		printk("Emptying of Link Lists not supported\n");
+		printk(KERN_WARNING "Emptying of Link Lists not supported\n");
 		return -EINVAL;
 	}
 
 	if (!mutex_trylock(&(list->mtx))) {
-		printk("Link List in use\n");
+		printk(KERN_ERR "Link List in use\n");
 		return -EINVAL;
 	}
 
@@ -933,7 +933,7 @@ int vme_dma_list_free(struct vme_dma_list *list)
 	 */
 	retval = bridge->dma_list_empty(list);
 	if (retval) {
-		printk("Unable to empty link-list entries\n");
+		printk(KERN_ERR "Unable to empty link-list entries\n");
 		mutex_unlock(&(list->mtx));
 		return retval;
 	}
@@ -949,19 +949,19 @@ int vme_dma_free(struct vme_resource *resource)
 	struct vme_dma_resource *ctrlr;
 
 	if (resource->type != VME_DMA) {
-		printk("Not a DMA resource\n");
+		printk(KERN_ERR "Not a DMA resource\n");
 		return -EINVAL;
 	}
 
 	ctrlr = list_entry(resource->entry, struct vme_dma_resource, list);
 
 	if (!mutex_trylock(&(ctrlr->mtx))) {
-		printk("Resource busy, can't free\n");
+		printk(KERN_ERR "Resource busy, can't free\n");
 		return -EBUSY;
 	}
 
 	if (!(list_empty(&(ctrlr->pending)) && list_empty(&(ctrlr->running)))) {
-		printk("Resource still processing transfers\n");
+		printk(KERN_WARNING "Resource still processing transfers\n");
 		mutex_unlock(&(ctrlr->mtx));
 		return -EBUSY;
 	}
@@ -991,7 +991,7 @@ void vme_irq_handler(struct vme_bridge *bridge, int level, int statid)
 EXPORT_SYMBOL(vme_irq_handler);
 
 int vme_irq_request(struct device *dev, int level, int statid,
-	void (*callback)(int level, int vector, void *priv_data),
+	void (*callback)(int, int, void *),
 	void *priv_data)
 {
 	struct vme_bridge *bridge;
@@ -1002,7 +1002,7 @@ int vme_irq_request(struct device *dev, int level, int statid,
 		return -EINVAL;
 	}
 
-	if((level < 1) || (level > 7)) {
+	if ((level < 1) || (level > 7)) {
 		printk(KERN_ERR "Invalid interrupt level\n");
 		return -EINVAL;
 	}
@@ -1025,7 +1025,7 @@ int vme_irq_request(struct device *dev, int level, int statid,
 	bridge->irq[level - 1].callback[statid].func = callback;
 
 	/* Enable IRQ level */
-	bridge->irq_set(level, 1, 1);
+	bridge->irq_set(bridge, level, 1, 1);
 
 	mutex_unlock(&(bridge->irq_mtx));
 
@@ -1043,7 +1043,7 @@ void vme_irq_free(struct device *dev, int level, int statid)
 		return;
 	}
 
-	if((level < 1) || (level > 7)) {
+	if ((level < 1) || (level > 7)) {
 		printk(KERN_ERR "Invalid interrupt level\n");
 		return;
 	}
@@ -1059,7 +1059,7 @@ void vme_irq_free(struct device *dev, int level, int statid)
 
 	/* Disable IRQ level if no more interrupts attached at this level*/
 	if (bridge->irq[level - 1].count == 0)
-		bridge->irq_set(level, 0, 1);
+		bridge->irq_set(bridge, level, 0, 1);
 
 	bridge->irq[level - 1].callback[statid].func = NULL;
 	bridge->irq[level - 1].callback[statid].priv_data = NULL;
@@ -1078,17 +1078,17 @@ int vme_irq_generate(struct device *dev, int level, int statid)
 		return -EINVAL;
 	}
 
-	if((level < 1) || (level > 7)) {
+	if ((level < 1) || (level > 7)) {
 		printk(KERN_WARNING "Invalid interrupt level\n");
 		return -EINVAL;
 	}
 
 	if (bridge->irq_generate == NULL) {
-		printk("Interrupt generation not supported\n");
+		printk(KERN_WARNING "Interrupt generation not supported\n");
 		return -EINVAL;
 	}
 
-	return bridge->irq_generate(level, statid);
+	return bridge->irq_generate(bridge, level, statid);
 }
 EXPORT_SYMBOL(vme_irq_generate);
 
@@ -1189,8 +1189,6 @@ int vme_lm_set(struct vme_resource *resource, unsigned long long lm_base,
 		return -EINVAL;
 	}
 
-	/* XXX Check parameters */
-
 	return bridge->lm_set(lm, lm_base, aspace, cycle);
 }
 EXPORT_SYMBOL(vme_lm_set);
@@ -1297,11 +1295,11 @@ int vme_slot_get(struct device *bus)
 	}
 
 	if (bridge->slot_get == NULL) {
-		printk("vme_slot_get not supported\n");
+		printk(KERN_WARNING "vme_slot_get not supported\n");
 		return -EINVAL;
 	}
 
-	return bridge->slot_get();
+	return bridge->slot_get(bridge);
 }
 EXPORT_SYMBOL(vme_slot_get);
 
@@ -1331,7 +1329,7 @@ static void vme_free_bus_num(int bus)
 	mutex_unlock(&vme_bus_num_mtx);
 }
 
-int vme_register_bridge (struct vme_bridge *bridge)
+int vme_register_bridge(struct vme_bridge *bridge)
 {
 	struct device *dev;
 	int retval;
@@ -1358,7 +1356,7 @@ int vme_register_bridge (struct vme_bridge *bridge)
 		dev_set_name(dev, "vme-%x.%x", bridge->num, i + 1);
 
 		retval = device_register(dev);
-		if(retval)
+		if (retval)
 			goto err_reg;
 	}
 
@@ -1375,7 +1373,7 @@ err_reg:
 }
 EXPORT_SYMBOL(vme_register_bridge);
 
-void vme_unregister_bridge (struct vme_bridge *bridge)
+void vme_unregister_bridge(struct vme_bridge *bridge)
 {
 	int i;
 	struct device *dev;
@@ -1392,7 +1390,7 @@ EXPORT_SYMBOL(vme_unregister_bridge);
 
 /* - Driver Registration --------------------------------------------------- */
 
-int vme_register_driver (struct vme_driver *drv)
+int vme_register_driver(struct vme_driver *drv)
 {
 	drv->driver.name = drv->name;
 	drv->driver.bus = &vme_bus_type;
@@ -1401,7 +1399,7 @@ int vme_register_driver (struct vme_driver *drv)
 }
 EXPORT_SYMBOL(vme_register_driver);
 
-void vme_unregister_driver (struct vme_driver *drv)
+void vme_unregister_driver(struct vme_driver *drv)
 {
 	driver_unregister(&drv->driver);
 }
@@ -1418,10 +1416,10 @@ int vme_calc_slot(struct device *dev)
 
 	/* Determine slot number */
 	num = 0;
-	while(num < VME_SLOTS_MAX) {
-		if(&(bridge->dev[num]) == dev) {
+	while (num < VME_SLOTS_MAX) {
+		if (&(bridge->dev[num]) == dev)
 			break;
-		}
+
 		num++;
 	}
 	if (num == VME_SLOTS_MAX) {
@@ -1437,8 +1435,8 @@ err_dev:
 
 static struct vme_driver *dev_to_vme_driver(struct device *dev)
 {
-	if(dev->driver == NULL)
-		printk("Bugger dev->driver is NULL\n");
+	if (dev->driver == NULL)
+		printk(KERN_ERR "Bugger dev->driver is NULL\n");
 
 	return container_of(dev->driver, struct vme_driver, driver);
 }
@@ -1462,7 +1460,7 @@ static int vme_bus_match(struct device *dev, struct device_driver *drv)
 	}
 
 	i = 0;
-	while((driver->bind_table[i].bus != 0) ||
+	while ((driver->bind_table[i].bus != 0) ||
 		(driver->bind_table[i].slot != 0)) {
 
 		if (bridge->num == driver->bind_table[i].bus) {
@@ -1493,9 +1491,8 @@ static int vme_bus_probe(struct device *dev)
 	driver = dev_to_vme_driver(dev);
 	bridge = dev_to_bridge(dev);
 
-	if(driver->probe != NULL) {
+	if (driver->probe != NULL)
 		retval = driver->probe(dev, bridge->num, vme_calc_slot(dev));
-	}
 
 	return retval;
 }
@@ -1509,9 +1506,8 @@ static int vme_bus_remove(struct device *dev)
 	driver = dev_to_vme_driver(dev);
 	bridge = dev_to_bridge(dev);
 
-	if(driver->remove != NULL) {
+	if (driver->remove != NULL)
 		retval = driver->remove(dev, bridge->num, vme_calc_slot(dev));
-	}
 
 	return retval;
 }
@@ -1524,18 +1520,18 @@ struct bus_type vme_bus_type = {
 };
 EXPORT_SYMBOL(vme_bus_type);
 
-static int __init vme_init (void)
+static int __init vme_init(void)
 {
 	return bus_register(&vme_bus_type);
 }
 
-static void __exit vme_exit (void)
+static void __exit vme_exit(void)
 {
 	bus_unregister(&vme_bus_type);
 }
 
 MODULE_DESCRIPTION("VME bridge driver framework");
-MODULE_AUTHOR("Martyn Welch <martyn.welch@gefanuc.com");
+MODULE_AUTHOR("Martyn Welch <martyn.welch@ge.com");
 MODULE_LICENSE("GPL");
 
 module_init(vme_init);
diff --git a/drivers/staging/vme/vme.h b/drivers/staging/vme/vme.h
index 97dc22e34caf..48768ca97e16 100644
--- a/drivers/staging/vme/vme.h
+++ b/drivers/staging/vme/vme.h
@@ -68,6 +68,14 @@ typedef u32 vme_pattern_t;
 #define VME_DMA_PATTERN_WORD		(1<<1)
 #define VME_DMA_PATTERN_INCREMENT	(1<<2)
 
+typedef u32 vme_dma_route_t;
+#define VME_DMA_VME_TO_MEM		(1<<0)
+#define VME_DMA_MEM_TO_VME		(1<<1)
+#define VME_DMA_VME_TO_VME		(1<<2)
+#define VME_DMA_MEM_TO_MEM		(1<<3)
+#define VME_DMA_PATTERN_TO_VME		(1<<4)
+#define VME_DMA_PATTERN_TO_MEM		(1<<5)
+
 struct vme_dma_attr {
 	vme_dma_t type;
 	void *private;
@@ -98,32 +106,33 @@ struct vme_driver {
 	struct device_driver    driver;
 };
 
-void * vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *);
+void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *);
 void vme_free_consistent(struct vme_resource *, size_t,  void *,
 	dma_addr_t);
 
 size_t vme_get_size(struct vme_resource *);
 
-struct vme_resource * vme_slave_request(struct device *, vme_address_t, vme_cycle_t);
-int vme_slave_set (struct vme_resource *, int, unsigned long long,
+struct vme_resource *vme_slave_request(struct device *, vme_address_t,
+	vme_cycle_t);
+int vme_slave_set(struct vme_resource *, int, unsigned long long,
 	unsigned long long, dma_addr_t, vme_address_t, vme_cycle_t);
-int vme_slave_get (struct vme_resource *, int *, unsigned long long *,
+int vme_slave_get(struct vme_resource *, int *, unsigned long long *,
 	unsigned long long *, dma_addr_t *, vme_address_t *, vme_cycle_t *);
 void vme_slave_free(struct vme_resource *);
 
-struct vme_resource * vme_master_request(struct device *, vme_address_t, vme_cycle_t,
-	vme_width_t);
-int vme_master_set (struct vme_resource *, int, unsigned long long,
+struct vme_resource *vme_master_request(struct device *, vme_address_t,
+	vme_cycle_t, vme_width_t);
+int vme_master_set(struct vme_resource *, int, unsigned long long,
 	unsigned long long, vme_address_t, vme_cycle_t, vme_width_t);
-int vme_master_get (struct vme_resource *, int *, unsigned long long *,
+int vme_master_get(struct vme_resource *, int *, unsigned long long *,
 	unsigned long long *, vme_address_t *, vme_cycle_t *, vme_width_t *);
 ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t);
 ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t);
-unsigned int vme_master_rmw (struct vme_resource *, unsigned int, unsigned int,
+unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int,
 	unsigned int, loff_t);
 void vme_master_free(struct vme_resource *);
 
-struct vme_resource *vme_dma_request(struct device *);
+struct vme_resource *vme_dma_request(struct device *, vme_dma_route_t);
 struct vme_dma_list *vme_new_dma_list(struct vme_resource *);
 struct vme_dma_attr *vme_dma_pattern_attribute(u32, vme_pattern_t);
 struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t);
@@ -153,8 +162,8 @@ void vme_lm_free(struct vme_resource *);
 
 int vme_slot_get(struct device *);
 
-int vme_register_driver (struct vme_driver *);
-void vme_unregister_driver (struct vme_driver *);
+int vme_register_driver(struct vme_driver *);
+void vme_unregister_driver(struct vme_driver *);
 
 
 #endif /* _VME_H_ */
diff --git a/drivers/staging/vme/vme_api.txt b/drivers/staging/vme/vme_api.txt
index a5c1b1cd5fcc..a910a0c4388b 100644
--- a/drivers/staging/vme/vme_api.txt
+++ b/drivers/staging/vme/vme_api.txt
@@ -77,16 +77,21 @@ driver in question:
 	struct vme_resource * vme_slave_request(struct device *dev,
 		vme_address_t aspace, vme_cycle_t cycle);
 
-	struct vme_resource *vme_dma_request(struct device *dev);
+	struct vme_resource *vme_dma_request(struct device *dev,
+		vme_dma_route_t route);
 
 For slave windows these attributes are split into those of type 'vme_address_t'
-and 'vme_cycle_t'. Master windows add a further set of attributes 'vme_cycle_t'.
-These attributes are defined as bitmasks and as such any combination of the
-attributes can be requested for a single window, the core will assign a window
-that meets the requirements, returning a pointer of type vme_resource that
-should be used to identify the allocated resource when it is used. If an
-unallocated window fitting the requirements can not be found a NULL pointer will
-be returned.
+and 'vme_cycle_t'. Master windows add a further set of attributes
+'vme_cycle_t'.  These attributes are defined as bitmasks and as such any
+combination of the attributes can be requested for a single window, the core
+will assign a window that meets the requirements, returning a pointer of type
+vme_resource that should be used to identify the allocated resource when it is
+used. For DMA controllers, the request function requires the potential
+direction of any transfers to be provided in the route attributes. This is
+typically VME-to-MEM and/or MEM-to-VME, though some hardware can support
+VME-to-VME and MEM-to-MEM transfers as well as test pattern generation. If an
+unallocated window fitting the requirements can not be found a NULL pointer
+will be returned.
 
 Functions are also provided to free window allocations once they are no longer
 required. These functions should be passed the pointer to the resource provided
@@ -237,6 +242,12 @@ covered under "Transfer Attributes"):
 		struct vme_dma_attr *src, struct vme_dma_attr *dest,
 		size_t count);
 
+NOTE:	The detailed attributes of the transfers source and destination
+	are not checked until an entry is added to a DMA list, the request
+	for a DMA channel purely checks the directions in which the
+	controller is expected to transfer data. As a result it is
+	possible for this call to return an error, for example if the
+	source or destination is in an unsupported VME address space.
 
 Transfer Attributes
 -------------------
diff --git a/drivers/staging/vme/vme_bridge.h b/drivers/staging/vme/vme_bridge.h
index 851fa92559f6..b653ec02e1fc 100644
--- a/drivers/staging/vme/vme_bridge.h
+++ b/drivers/staging/vme/vme_bridge.h
@@ -19,7 +19,7 @@ struct vme_master_resource {
 	vme_address_t address_attr;
 	vme_cycle_t cycle_attr;
 	vme_width_t width_attr;
-	struct resource pci_resource;	/* XXX Rename to be bus agnostic */
+	struct resource bus_resource;
 	void *kern_base;
 };
 
@@ -64,6 +64,7 @@ struct vme_dma_resource {
 	int number;
 	struct list_head pending;
 	struct list_head running;
+	vme_dma_route_t route_attr;
 };
 
 struct vme_lm_resource {
@@ -101,7 +102,7 @@ struct vme_irq {
  * Currently we assume that all chips are PCI-based
  */
 struct vme_bridge {
-        char name[VMENAMSIZ];
+	char name[VMENAMSIZ];
 	int num;
 	struct list_head master_resources;
 	struct list_head slave_resources;
@@ -112,7 +113,7 @@ struct vme_bridge {
 
 	/* Bridge Info - XXX Move to private structure? */
 	struct device *parent;	/* Generic device struct (pdev->dev for PCI) */
-	void * base;		/* Base Address of device registers */
+	void *driver_priv;	/* Private pointer for the bridge driver */
 
 	struct device dev[VME_SLOTS_MAX];	/* Device registered with
 						 * device model on VME bus
@@ -151,8 +152,8 @@ struct vme_bridge {
 	int (*dma_list_empty) (struct vme_dma_list *);
 
 	/* Interrupt Functions */
-	void (*irq_set) (int, int, int);
-	int (*irq_generate) (int, int);
+	void (*irq_set) (struct vme_bridge *, int, int, int);
+	int (*irq_generate) (struct vme_bridge *, int, int);
 
 	/* Location monitor functions */
 	int (*lm_set) (struct vme_lm_resource *, unsigned long long,
@@ -163,102 +164,12 @@ struct vme_bridge {
 	int (*lm_detach) (struct vme_lm_resource *, int);
 
 	/* CR/CSR space functions */
-	int (*slot_get) (void);
-	/* Use standard master read and write functions to access CR/CSR */
-
-#if 0
-	int (*set_prefetch) (void);
-	int (*get_prefetch) (void);
-	int (*set_arbiter) (void);
-	int (*get_arbiter) (void);
-	int (*set_requestor) (void);
-	int (*get_requestor) (void);
-#endif
+	int (*slot_get) (struct vme_bridge *);
 };
 
 void vme_irq_handler(struct vme_bridge *, int, int);
 
-int vme_register_bridge (struct vme_bridge *);
-void vme_unregister_bridge (struct vme_bridge *);
+int vme_register_bridge(struct vme_bridge *);
+void vme_unregister_bridge(struct vme_bridge *);
 
 #endif /* _VME_BRIDGE_H_ */
-
-#if 0
-/*
- *  VMEbus GET INFO Arg Structure
- */
-struct vmeInfoCfg {
-	int vmeSlotNum;		/*  VME slot number of interest */
-	int boardResponded;	/* Board responded */
-	char sysConFlag;	/*  System controller flag */
-	int vmeControllerID;	/*  Vendor/device ID of VME bridge */
-	int vmeControllerRev;	/*  Revision of VME bridge */
-	char osName[8];		/*  Name of OS e.g. "Linux" */
-	int vmeSharedDataValid;	/*  Validity of data struct */
-	int vmeDriverRev;	/*  Revision of VME driver */
-	unsigned int vmeAddrHi[8];	/* Address on VME bus */
-	unsigned int vmeAddrLo[8];	/* Address on VME bus */
-	unsigned int vmeSize[8];	/* Size on VME bus */
-	unsigned int vmeAm[8];	/* Address modifier on VME bus */
-	int reserved;		/* For future use */
-};
-typedef struct vmeInfoCfg vmeInfoCfg_t;
-
-/*
- *  VMEbus Requester Arg Structure
- */
-struct vmeRequesterCfg {
-	int requestLevel;	/*  Requester Bus Request Level */
-	char fairMode;		/*  Requester Fairness Mode Indicator */
-	int releaseMode;	/*  Requester Bus Release Mode */
-	int timeonTimeoutTimer;	/*  Master Time-on Time-out Timer */
-	int timeoffTimeoutTimer;	/*  Master Time-off Time-out Timer */
-	int reserved;		/* For future use */
-};
-typedef struct vmeRequesterCfg vmeRequesterCfg_t;
-
-/*
- *  VMEbus Arbiter Arg Structure
- */
-struct vmeArbiterCfg {
-	vme_arbitration_t arbiterMode;	/*  Arbitration Scheduling Algorithm */
-	char arbiterTimeoutFlag;	/*  Arbiter Time-out Timer Indicator */
-	int globalTimeoutTimer;	/*  VMEbus Global Time-out Timer */
-	char noEarlyReleaseFlag;	/*  No Early Release on BBUSY */
-	int reserved;		/* For future use */
-};
-typedef struct vmeArbiterCfg vmeArbiterCfg_t;
-
-
-/*
- *  VMEbus RMW Configuration Data
- */
-struct vmeRmwCfg {
-	unsigned int targetAddrU;	/*  VME Address (Upper) to trigger RMW cycle */
-	unsigned int targetAddr;	/*  VME Address (Lower) to trigger RMW cycle */
-	vme_address_t addrSpace;	/*  VME Address Space */
-	int enableMask;		/*  Bit mask defining the bits of interest */
-	int compareData;	/*  Data to be compared with the data read */
-	int swapData;		/*  Data written to the VMEbus on success */
-	int maxAttempts;	/*  Maximum times to try */
-	int numAttempts;	/*  Number of attempts before success */
-	int reserved;		/* For future use */
-
-};
-typedef struct vmeRmwCfg vmeRmwCfg_t;
-
-/*
- *  VMEbus Location Monitor Arg Structure
- */
-struct vmeLmCfg {
-	unsigned int addrU;	/*  Location Monitor Address upper */
-	unsigned int addr;	/*  Location Monitor Address lower */
-	vme_address_t addrSpace;	/*  Address Space */
-	int userAccessType;	/*  User/Supervisor Access Type */
-	int dataAccessType;	/*  Data/Program Access Type */
-	int lmWait;		/* Time to wait for access */
-	int lmEvents;		/* Lm event mask */
-	int reserved;		/* For future use */
-};
-typedef struct vmeLmCfg vmeLmCfg_t;
-#endif
diff --git a/drivers/staging/vt6655/card.c b/drivers/staging/vt6655/card.c
index db786142717f..bf4fd49709df 100644
--- a/drivers/staging/vt6655/card.c
+++ b/drivers/staging/vt6655/card.c
@@ -2788,16 +2788,18 @@ void CARDvUpdateBasicTopRate (PVOID pDeviceHandler)
 
      //Determines the highest basic rate.
      for (ii = RATE_54M; ii >= RATE_6M; ii --) {
-         if ( (pDevice->wBasicRate) & ((WORD)(1<<ii)) )
+         if ( (pDevice->wBasicRate) & ((WORD)(1<<ii)) ) {
              byTopOFDM = ii;
              break;
+         }
      }
      pDevice->byTopOFDMBasicRate = byTopOFDM;
 
      for (ii = RATE_11M;; ii --) {
-         if ( (pDevice->wBasicRate) & ((WORD)(1<<ii)) )
+         if ( (pDevice->wBasicRate) & ((WORD)(1<<ii)) ) {
              byTopCCK = ii;
              break;
+         }
          if (ii == RATE_1M)
             break;
      }
diff --git a/drivers/staging/vt6655/device_main.c b/drivers/staging/vt6655/device_main.c
index 0dadb765fece..1d643653a7ed 100644
--- a/drivers/staging/vt6655/device_main.c
+++ b/drivers/staging/vt6655/device_main.c
@@ -1105,10 +1105,7 @@ static void device_print_info(PSDevice pDevice)
     struct net_device* dev=pDevice->dev;
 
     DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "%s: %s\n",dev->name, get_chip_name(pDevice->chip_id));
-    DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "%s: MAC=%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X",
-        dev->name,
-        dev->dev_addr[0],dev->dev_addr[1],dev->dev_addr[2],
-        dev->dev_addr[3],dev->dev_addr[4],dev->dev_addr[5]);
+    DBG_PRT(MSG_LEVEL_INFO, KERN_INFO "%s: MAC=%pM", dev->name, dev->dev_addr);
 #ifdef IO_MAP
     DBG_PRT(MSG_LEVEL_INFO, KERN_INFO" IO=0x%lx  ",(ULONG) pDevice->ioaddr);
     DBG_PRT(MSG_LEVEL_INFO, KERN_INFO" IRQ=%d \n", pDevice->dev->irq);
diff --git a/drivers/staging/vt6655/iwctl.c b/drivers/staging/vt6655/iwctl.c
index 108830ff3b32..78b49830a255 100644
--- a/drivers/staging/vt6655/iwctl.c
+++ b/drivers/staging/vt6655/iwctl.c
@@ -1472,7 +1472,7 @@ if((wrq->flags & IW_ENCODE_DISABLED)==0){
 		if ( index < 4 ) {
 		    pDevice->byKeyIndex = index;
 		}
-		else if(!wrq->flags & IW_ENCODE_MODE) {
+		else if(!(wrq->flags & IW_ENCODE_MODE)) {
 				rc = -EINVAL;
 				return rc;
 	    }
diff --git a/drivers/staging/winbond/core.h b/drivers/staging/winbond/core.h
index 7d4bd5e8f69b..0a2060bf4f94 100644
--- a/drivers/staging/winbond/core.h
+++ b/drivers/staging/winbond/core.h
@@ -14,7 +14,7 @@
 struct wbsoft_priv {
 	u32 adapterIndex;	// 20060703.4 Add for using padapterContext global adapter point
 
-	WB_LOCALDESCRIPT sLocalPara;	// Myself connected parameters
+	struct wb_local_para sLocalPara;	// Myself connected parameters
 
 	MLME_FRAME sMlmeFrame;	// connect to peerSTA parameters
 
diff --git a/drivers/staging/winbond/localpara.h b/drivers/staging/winbond/localpara.h
index 5626a76d69a4..fcf6a0442dc2 100644
--- a/drivers/staging/winbond/localpara.h
+++ b/drivers/staging/winbond/localpara.h
@@ -110,33 +110,20 @@
 // 20061108 WPS IE buffer
 #define MAX_IE_APPEND_SIZE					256 + 4 // Due to [E id][Length][OUI][Data] may 257 bytes
 
-typedef struct _EVENTLOG
-{
-	u16		Count;			//Total count from start
-	u16		index;			//Buffer index, 0 ~ 63
-	u32		EventValue[64];	//BYTE 3~2 : count, BYTE 1 : Event, BYTE 0 : reason
-} Event_Log, *pEvent_Log;
-
-typedef struct _ChanInfo
+struct chan_info
 {
 	u8		band;
 	u8		ChanNo;
-} ChanInfo, *pChanInfo;
+};
 
-typedef struct _CHAN_LIST
-{
-	u16				Count;
-	ChanInfo		Channel[50]; // 100B
-} CHAN_LIST, *psCHAN_LIST;
-
-typedef struct _RadioOff
+struct radio_off
 {
 	u8			boHwRadioOff;
 	u8			boSwRadioOff;
-} RadioOff, *psRadioOff;
+};
 
 //===========================================================================
-typedef struct LOCAL_PARA
+struct wb_local_para
 {
 	u8			PermanentAddress[ MAC_ADDR_LENGTH + 2 ]; 	// read from EPROM, manufacture set for each NetCard
     u8    		ThisMacAddress[ MAC_ADDR_LENGTH + 2 ];			// the driver will use actually.
@@ -186,7 +173,7 @@ typedef struct LOCAL_PARA
     u16			ListenInterval;     	// The listen interval when SME invoking MLME_
             	                    	// (Re)Associate_Request().
 
-	RadioOff		RadioOffStatus;
+	struct radio_off		RadioOffStatus;
 	u8			Reserved0[2];
 
 	u8			boMsRadioOff;			// Ndis demands to be true when set Disassoc. OID and be false when set SSID OID.
@@ -196,7 +183,7 @@ typedef struct LOCAL_PARA
 	u8			RoamStatus;
 	u8			reserved7[3];
 
-	ChanInfo	CurrentChan;			//Current channel no. and channel band. It may be changed by scanning.
+	struct chan_info	CurrentChan;			//Current channel no. and channel band. It may be changed by scanning.
 	u8			boHandover;				// Roaming, Hnadover to other AP.
 	u8			boCCAbusy;
 
@@ -253,19 +240,16 @@ typedef struct LOCAL_PARA
     u32	   		_dot11WEPUndecryptableCount;
     u32	   		_dot11FrameDuplicateCount;
 
-	ChanInfo	IbssChanSetting;	// 2B. Start IBSS Channel setting by registry or WWU.
+	struct chan_info	IbssChanSetting;	// 2B. Start IBSS Channel setting by registry or WWU.
 	u8		reserved_5[2];		//It may not be used after considering RF type,
 									//region and modulation type.
 
-	CHAN_LIST	sSupportChanList;	// 86B. It will be obtained according to RF type and region
 	u8		reserved_6[2];		//two variables are for wep key error detection added by ws 02/02/04
 
     u32	      bWepKeyError;
     u32         bToSelfPacketReceived;
     u32         WepKeyDetectTimerCount;
 
-	Event_Log	EventLog;
-
 	u16		SignalLostTh;
 	u16		SignalRoamTh;
 
@@ -274,6 +258,6 @@ typedef struct LOCAL_PARA
 	u16		IE_Append_size;
 	u16		reserved_7;
 
-} WB_LOCALDESCRIPT, *PWB_LOCALDESCRIPT;
+};
 
 #endif
diff --git a/drivers/staging/winbond/mds_f.h b/drivers/staging/winbond/mds_f.h
index ab1ea535f7db..e09dd4b879d4 100644
--- a/drivers/staging/winbond/mds_f.h
+++ b/drivers/staging/winbond/mds_f.h
@@ -11,9 +11,6 @@ void Mds_SendComplete(  struct wbsoft_priv *adapter,  PT02_DESCRIPTOR pT02 );
 void Mds_MpduProcess(  struct wbsoft_priv *adapter,  struct wb35_descriptor *pRxDes );
 extern void DataDmp(u8 *pdata, u32 len, u32 offset);
 
-// For Asynchronous indicating. The routine collocates with USB.
-void Mds_MsduProcess(  struct wbsoft_priv *adapter,  PRXLAYER1 pRxLayer1,  u8 SlotIndex);
-
 // For data frame sending 20060802
 u16 MDS_GetPacketSize(  struct wbsoft_priv *adapter );
 void MDS_GetNextPacket(  struct wbsoft_priv *adapter,  struct wb35_descriptor *pDes );
diff --git a/drivers/staging/winbond/mds_s.h b/drivers/staging/winbond/mds_s.h
index e8e13bde4744..217ff0819a93 100644
--- a/drivers/staging/winbond/mds_s.h
+++ b/drivers/staging/winbond/mds_s.h
@@ -133,32 +133,4 @@ struct wb35_mds {
 
 };
 
-//
-// Reveive Layer 1 Format.
-//----------------------------
-typedef struct _RXLAYER1
-{
-    u16  SequenceNumber;     // The sequence number of the last received packet.
-	u16	BufferTotalSize;
-
-	u32	InUsed;
-    u32   DecryptionMethod;   // The desired defragment number of the next incoming packet.
-
-	u8	DeFragmentNumber;
-	u8	FrameType;
-    u8	TypeEncapsulated;
-	u8	BufferNumber;
-
-	u32	FirstFrameArrivedTime;
-
-	u8		LastFrameType; // 20061004 for fix intel 3945 's bug
-	u8		RESERVED[3];  //@@ anson
-
-	/////////////////////////////////////////////////////////////////////////////////////////////
-	// For brand-new Rx system
-	u8	ReservedBuffer[ 2400 ];//If Buffer ID is reserved one, it must copy the data into this area
-	u8	*ReservedBufferPoint;// Point to the next availabe address of reserved buffer
-
-}RXLAYER1, * PRXLAYER1;
-
 #endif
diff --git a/drivers/staging/winbond/mlme_s.h b/drivers/staging/winbond/mlme_s.h
index ea12684a2b1d..1217a1c025e5 100644
--- a/drivers/staging/winbond/mlme_s.h
+++ b/drivers/staging/winbond/mlme_s.h
@@ -165,14 +165,6 @@ typedef struct _AUTHREQ {
 
 } MLME_AUTHREQ_PARA, *psMLME_AUTHREQ_PARA;
 
-struct _Reason_Code {
-
-	u8	peerMACaddr[MAC_ADDR_LENGTH];
-	u16	wReasonCode;
-};
-typedef struct _Reason_Code MLME_DEAUTHREQ_PARA, *psMLME_DEAUTHREQ_PARA;
-typedef struct _Reason_Code MLME_DISASSOCREQ_PARA, *psMLME_DISASSOCREQ_PARA;
-
 typedef struct _ASSOCREQ {
   u8       PeerSTAAddr[MAC_ADDR_LENGTH];
   u16       CapabilityInfo;
diff --git a/drivers/staging/winbond/mto.h b/drivers/staging/winbond/mto.h
index 4fe24b0f2791..fb4781d5781b 100644
--- a/drivers/staging/winbond/mto.h
+++ b/drivers/staging/winbond/mto.h
@@ -141,11 +141,6 @@ extern u16  MTO_Frag_Th_Tbl[];
 #define MTO_DATA_RATE()          MTO_Data_Rate_Tbl[MTO_RATE_LEVEL()]
 #define MTO_FRAG_TH()            MTO_Frag_Th_Tbl[MTO_FRAG_TH_LEVEL()]
 
-typedef struct {
-	u8 tx_rate;
-	u8 tx_retry_rate;
-} TXRETRY_REC;
-
 extern void MTO_Init(struct wbsoft_priv *);
 extern void MTO_PeriodicTimerExpired(struct wbsoft_priv *);
 extern void MTO_SetDTORateRange(struct wbsoft_priv *, u8 *, u8);
diff --git a/drivers/staging/winbond/reg.c b/drivers/staging/winbond/reg.c
index d915cbdd38ed..5f5048af26a5 100644
--- a/drivers/staging/winbond/reg.c
+++ b/drivers/staging/winbond/reg.c
@@ -1823,12 +1823,12 @@ BBProcessor_initial(  struct hw_data * pHwData )
 		reg->SQ3_filter[i] = 0x2f; // half of Bit 0 ~ 6
 }
 
-void set_tx_power_per_channel_max2829(  struct hw_data * pHwData,  ChanInfo Channel)
+void set_tx_power_per_channel_max2829(  struct hw_data * pHwData,  struct chan_info Channel)
 {
 	RFSynthesizer_SetPowerIndex( pHwData, 100 ); // 20060620.1 Modify
 }
 
-void set_tx_power_per_channel_al2230(  struct hw_data * pHwData,  ChanInfo Channel )
+void set_tx_power_per_channel_al2230(  struct hw_data * pHwData,  struct chan_info Channel )
 {
 	u8	index = 100;
 
@@ -1838,7 +1838,7 @@ void set_tx_power_per_channel_al2230(  struct hw_data * pHwData,  ChanInfo Chann
 	RFSynthesizer_SetPowerIndex( pHwData, index );
 }
 
-void set_tx_power_per_channel_al7230(  struct hw_data * pHwData,  ChanInfo Channel)
+void set_tx_power_per_channel_al7230(  struct hw_data * pHwData,  struct chan_info Channel)
 {
 	u8	i, index = 100;
 
@@ -1868,7 +1868,7 @@ void set_tx_power_per_channel_al7230(  struct hw_data * pHwData,  ChanInfo Chann
 	RFSynthesizer_SetPowerIndex( pHwData, index );
 }
 
-void set_tx_power_per_channel_wb242(  struct hw_data * pHwData,  ChanInfo Channel)
+void set_tx_power_per_channel_wb242(  struct hw_data * pHwData,  struct chan_info Channel)
 {
 	u8	index = 100;
 
@@ -1901,7 +1901,7 @@ void set_tx_power_per_channel_wb242(  struct hw_data * pHwData,  ChanInfo Channe
 //   None.
 //=============================================================================================================
 void
-RFSynthesizer_SwitchingChannel(  struct hw_data * pHwData,  ChanInfo Channel )
+RFSynthesizer_SwitchingChannel(  struct hw_data * pHwData,  struct chan_info Channel )
 {
 	struct wb35_reg *reg = &pHwData->reg;
 	u32	pltmp[16]; // The 16 is the maximum capability of hardware
diff --git a/drivers/staging/winbond/scan_s.h b/drivers/staging/winbond/scan_s.h
index 775bb81f23cc..209717f5d47d 100644
--- a/drivers/staging/winbond/scan_s.h
+++ b/drivers/staging/winbond/scan_s.h
@@ -35,7 +35,6 @@ typedef struct _SCAN_REQ_PARA	//mandatory parameters for SCAN request
 {
 	u32				ScanType;			//passive/active scan
 
-	CHAN_LIST		sChannelList;	// 86B
 	u8			reserved_1[2];
 
 	struct SSID_Element	sSSID; // 34B. scan only for this SSID
diff --git a/drivers/staging/winbond/sme_api.h b/drivers/staging/winbond/sme_api.h
index 549878302288..b5898294eb8a 100644
--- a/drivers/staging/winbond/sme_api.h
+++ b/drivers/staging/winbond/sme_api.h
@@ -193,8 +193,6 @@ s8 sme_get_cwmin_value(void *pcore_data, u8 *cwmin);
 s8 sme_get_cwmax_value(void *pcore_data, u16 *cwmax);
 s8 sme_get_ms_radio_mode(void *pcore_data, u8 * pMsRadioOff);
 s8 sme_set_ms_radio_mode(void *pcore_data, u8 boMsRadioOff);
-s8 sme_get_radio_mode(void *pcore_data, psRadioOff pRadioOffData);
-s8 sme_set_radio_mode(void *pcore_data, RadioOff RadioOffData);
 
 void sme_get_tx_power_level(void *pcore_data, u32 *TxPower);
 u8 sme_set_tx_power_level(void *pcore_data, u32 TxPower);
@@ -203,7 +201,7 @@ void sme_get_rx_antenna(void *pcore_data, u32 *RxAntenna);
 u8 sme_set_rx_antenna(void *pcore_data, u32 RxAntenna);
 void sme_get_tx_antenna(void *pcore_data, u32 *TxAntenna);
 s8 sme_set_tx_antenna(void *pcore_data, u32 TxAntenna);
-s8 sme_set_IBSS_chan(void *pcore_data, ChanInfo chan);
+s8 sme_set_IBSS_chan(void *pcore_data, struct chan_info chan);
 
 //20061108 WPS
 s8 sme_set_IE_append(void *pcore_data, u8 *buffer, u16 buf_len);
diff --git a/drivers/staging/winbond/wb35reg_f.h b/drivers/staging/winbond/wb35reg_f.h
index 30f5b5ad63ad..d352bce5c171 100644
--- a/drivers/staging/winbond/wb35reg_f.h
+++ b/drivers/staging/winbond/wb35reg_f.h
@@ -14,7 +14,7 @@ void Dxx_initial(  struct hw_data * pHwData );
 void Mxx_initial(  struct hw_data * pHwData );
 void RFSynthesizer_initial(  struct hw_data * pHwData );
 //void RFSynthesizer_SwitchingChannel(  struct hw_data * pHwData,  s8 Channel );
-void RFSynthesizer_SwitchingChannel(  struct hw_data * pHwData,  ChanInfo Channel );
+void RFSynthesizer_SwitchingChannel(  struct hw_data * pHwData,  struct chan_info Channel );
 void BBProcessor_initial(  struct hw_data * pHwData );
 void BBProcessor_RateChanging(  struct hw_data * pHwData,  u8 rate ); // 20060613.1
 //void RF_RateChanging(  struct hw_data * pHwData,  u8 rate ); // 20060626.5.c Add
diff --git a/drivers/staging/winbond/wbusb.c b/drivers/staging/winbond/wbusb.c
index 067082a7d759..3482eec18651 100644
--- a/drivers/staging/winbond/wbusb.c
+++ b/drivers/staging/winbond/wbusb.c
@@ -23,7 +23,7 @@ MODULE_DESCRIPTION("IS89C35 802.11bg WLAN USB Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION("0.1");
 
-static struct usb_device_id wb35_table[] __devinitdata = {
+static const struct usb_device_id wb35_table[] __devinitconst = {
 	{ USB_DEVICE(0x0416, 0x0035) },
 	{ USB_DEVICE(0x18E8, 0x6201) },
 	{ USB_DEVICE(0x18E8, 0x6206) },
@@ -65,17 +65,17 @@ static void hal_set_beacon_period(struct hw_data *pHwData, u16 beacon_period)
 }
 
 static int wbsoft_add_interface(struct ieee80211_hw *dev,
-				struct ieee80211_if_init_conf *conf)
+				struct ieee80211_vif *vif)
 {
 	struct wbsoft_priv *priv = dev->priv;
 
-	hal_set_beacon_period(&priv->sHwData, conf->vif->bss_conf.beacon_int);
+	hal_set_beacon_period(&priv->sHwData, vif->bss_conf.beacon_int);
 
 	return 0;
 }
 
 static void wbsoft_remove_interface(struct ieee80211_hw *dev,
-				    struct ieee80211_if_init_conf *conf)
+				    struct ieee80211_vif *vif)
 {
 	printk("wbsoft_remove interface called\n");
 }
@@ -92,13 +92,6 @@ static int wbsoft_get_stats(struct ieee80211_hw *hw,
 	return 0;
 }
 
-static int wbsoft_get_tx_stats(struct ieee80211_hw *hw,
-			       struct ieee80211_tx_queue_stats *stats)
-{
-	printk(KERN_INFO "%s called\n", __func__);
-	return 0;
-}
-
 static u64 wbsoft_prepare_multicast(struct ieee80211_hw *hw, int mc_count,
 				    struct dev_addr_list *mc_list)
 {
@@ -161,7 +154,7 @@ static void hal_set_radio_mode(struct hw_data *pHwData, unsigned char radio_off)
 }
 
 static void
-hal_set_current_channel_ex(struct hw_data *pHwData, ChanInfo channel)
+hal_set_current_channel_ex(struct hw_data *pHwData, struct chan_info channel)
 {
 	struct wb35_reg *reg = &pHwData->reg;
 
@@ -180,10 +173,10 @@ hal_set_current_channel_ex(struct hw_data *pHwData, ChanInfo channel)
 	reg->M28_MacControl &= ~0xff;	// Clean channel information field
 	reg->M28_MacControl |= channel.ChanNo;
 	Wb35Reg_WriteWithCallbackValue(pHwData, 0x0828, reg->M28_MacControl,
-				       (s8 *) & channel, sizeof(ChanInfo));
+				       (s8 *) & channel, sizeof(struct chan_info));
 }
 
-static void hal_set_current_channel(struct hw_data *pHwData, ChanInfo channel)
+static void hal_set_current_channel(struct hw_data *pHwData, struct chan_info channel)
 {
 	hal_set_current_channel_ex(pHwData, channel);
 }
@@ -253,7 +246,7 @@ static void hal_set_accept_beacon(struct hw_data *pHwData, u8 enable)
 static int wbsoft_config(struct ieee80211_hw *dev, u32 changed)
 {
 	struct wbsoft_priv *priv = dev->priv;
-	ChanInfo ch;
+	struct chan_info ch;
 
 	printk("wbsoft_config called\n");
 
@@ -287,7 +280,6 @@ static const struct ieee80211_ops wbsoft_ops = {
 	.prepare_multicast	= wbsoft_prepare_multicast,
 	.configure_filter	= wbsoft_configure_filter,
 	.get_stats		= wbsoft_get_stats,
-	.get_tx_stats		= wbsoft_get_tx_stats,
 	.get_tsf		= wbsoft_get_tsf,
 };
 
diff --git a/drivers/staging/wlags49_h2/wl_main.c b/drivers/staging/wlags49_h2/wl_main.c
index 16764a000942..cf0c38468b20 100644
--- a/drivers/staging/wlags49_h2/wl_main.c
+++ b/drivers/staging/wlags49_h2/wl_main.c
@@ -3792,7 +3792,7 @@ static int write_int(struct file *file, const char *buffer, unsigned long count,
 	}
 	if  (count > 0 ) {
 		proc_number[count] = 0;
-		nr = wl_atoi( proc_number );
+		nr = simple_strtoul(proc_number , NULL, 0);
  		*(unsigned int *)data = nr;
 		if ( nr & 0x8000 ) {	//;?kludgy but it is unclear to me were else to place this
 #if DBG
diff --git a/drivers/staging/wlags49_h2/wl_netdev.c b/drivers/staging/wlags49_h2/wl_netdev.c
index c33e225bc0e6..fa082d90fcad 100644
--- a/drivers/staging/wlags49_h2/wl_netdev.c
+++ b/drivers/staging/wlags49_h2/wl_netdev.c
@@ -360,7 +360,7 @@ int wl_open(struct net_device *dev)
     wl_lock( lp, &flags );
 
     if( status != HCF_SUCCESS ) {
-	// Unsuccesfull, try reset of the card to recover
+	// Unsuccessful, try reset of the card to recover
 	status = wl_reset( dev );
     }
 
diff --git a/drivers/staging/wlags49_h2/wl_pci.c b/drivers/staging/wlags49_h2/wl_pci.c
index a3db111d4a95..01e4bec9fd5b 100644
--- a/drivers/staging/wlags49_h2/wl_pci.c
+++ b/drivers/staging/wlags49_h2/wl_pci.c
@@ -81,7 +81,6 @@
 #include <asm/system.h>
 #include <asm/io.h>
 #include <asm/irq.h>
-#include <asm/system.h>
 #include <asm/bitops.h>
 #include <asm/uaccess.h>
 
diff --git a/drivers/staging/wlags49_h2/wl_profile.c b/drivers/staging/wlags49_h2/wl_profile.c
index 715f027a923f..1e0c75f28557 100644
--- a/drivers/staging/wlags49_h2/wl_profile.c
+++ b/drivers/staging/wlags49_h2/wl_profile.c
@@ -383,15 +383,15 @@ void translate_option( char *buffer, struct wl_private *lp )
 				DbgInfo->DebugFlag |= DBG_DEFAULTS;
 			}
 		} else {
-			DbgInfo->DebugFlag = wl_atoi( value ); //;?DebugFlag;
+			DbgInfo->DebugFlag = simple_strtoul(value, NULL, 0); //;?DebugFlag;
 		}
-		DbgInfo->DebugFlag = wl_atoi( value ); //;?Delete ASAP
+		DbgInfo->DebugFlag = simple_strtoul(value, NULL, 0); //;?Delete ASAP
 	}
 #endif /* DBG */
 	if ( strcmp( key, PARM_NAME_AUTH_KEY_MGMT_SUITE ) == 0 ) {
 		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_AUTH_KEY_MGMT_SUITE, value );
 
-		value_convert = wl_atoi( value );
+		value_convert = simple_strtoul(value, NULL, 0);
 		if (( value_convert >= PARM_MIN_AUTH_KEY_MGMT_SUITE ) || ( value_convert <= PARM_MAX_AUTH_KEY_MGMT_SUITE )) {
 			lp->AuthKeyMgmtSuite = value_convert;
 		} else {
@@ -401,7 +401,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 	else if ( strcmp( key, PARM_NAME_BRSC_2GHZ ) == 0 ) {
 		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_BRSC_2GHZ, value );
 
-		value_convert = wl_atoi( value );
+		value_convert = simple_strtoul(value, NULL, 0);
 		if (( value_convert >= PARM_MIN_BRSC ) || ( value_convert <= PARM_MAX_BRSC )) {
 			lp->brsc[0] = value_convert;
 		} else {
@@ -411,7 +411,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 	else if ( strcmp( key, PARM_NAME_BRSC_5GHZ ) == 0 ) {
 		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_BRSC_5GHZ, value );
 
-		value_convert = wl_atoi( value );
+		value_convert = simple_strtoul(value, NULL, 0);
 		if (( value_convert >= PARM_MIN_BRSC ) || ( value_convert <= PARM_MAX_BRSC )) {
 			lp->brsc[1] = value_convert;
 		} else {
@@ -448,7 +448,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 	else if ( strcmp( key, PARM_NAME_ENABLE_ENCRYPTION ) == 0 ) {
 		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_ENABLE_ENCRYPTION, value );
 
-		value_convert = wl_atoi( value );
+		value_convert = simple_strtoul(value, NULL, 0);
 		if (( value_convert >= PARM_MIN_ENABLE_ENCRYPTION ) && ( value_convert <= PARM_MAX_ENABLE_ENCRYPTION )) {
 			lp->EnableEncryption = value_convert;
 		} else {
@@ -529,7 +529,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 	else if ( strcmp( key, PARM_NAME_MULTICAST_RATE ) == 0 ) {
 		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_MULTICAST_RATE, value );
 
-		value_convert = wl_atoi( value );
+		value_convert = simple_strtoul(value, NULL, 0);
 
 		if (( value_convert >= PARM_MIN_MULTICAST_RATE ) && ( value_convert <= PARM_MAX_MULTICAST_RATE )) {
 			lp->MulticastRate[0] = value_convert;
@@ -540,7 +540,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 	else if ( strcmp( key, PARM_NAME_OWN_CHANNEL ) == 0 ) {
 		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_CHANNEL, value );
 
-		value_convert = wl_atoi( value );
+		value_convert = simple_strtoul(value, NULL, 0);
 		if ( wl_is_a_valid_chan( value_convert )) {
 			if ( value_convert > 14 ) {
 				value_convert = value_convert | 0x100;
@@ -567,7 +567,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 	else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD ) == 0 ) {
 		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD, value );
 
-		value_convert = wl_atoi( value );
+		value_convert = simple_strtoul(value, NULL, 0);
 		if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
 			lp->RTSThreshold = value_convert;
 		} else {
@@ -577,7 +577,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 	else if ( strcmp( key, PARM_NAME_SRSC_2GHZ ) == 0 ) {
 		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_SRSC_2GHZ, value );
 
-		value_convert = wl_atoi( value );
+		value_convert = simple_strtoul(value, NULL, 0);
 		if (( value_convert >= PARM_MIN_SRSC ) || ( value_convert <= PARM_MAX_SRSC )) {
 			lp->srsc[0] = value_convert;
 		} else {
@@ -587,7 +587,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 	else if ( strcmp( key, PARM_NAME_SRSC_5GHZ ) == 0 ) {
 		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_SRSC_5GHZ, value );
 
-		value_convert = wl_atoi( value );
+		value_convert = simple_strtoul(value, NULL, 0);
 		if (( value_convert >= PARM_MIN_SRSC ) || ( value_convert <= PARM_MAX_SRSC )) {
 			lp->srsc[1] = value_convert;
 		} else {
@@ -597,7 +597,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 	else if ( strcmp( key, PARM_NAME_SYSTEM_SCALE ) == 0 ) {
 		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_SYSTEM_SCALE, value );
 
-		value_convert = wl_atoi( value );
+		value_convert = simple_strtoul(value, NULL, 0);
 		if (( value_convert >= PARM_MIN_SYSTEM_SCALE ) && ( value_convert <= PARM_MAX_SYSTEM_SCALE )) {
 			lp->DistanceBetweenAPs = value_convert;
 		} else {
@@ -607,9 +607,9 @@ void translate_option( char *buffer, struct wl_private *lp )
 	else if ( strcmp( key, PARM_NAME_TX_KEY ) == 0 ) {
 		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_KEY, value );
 
-		value_convert = wl_atoi( value );
+		value_convert = simple_strtoul(value, NULL, 0);
 		if (( value_convert >= PARM_MIN_TX_KEY ) && ( value_convert <= PARM_MAX_TX_KEY )) {
-			lp->TransmitKeyID = wl_atoi( value );
+			lp->TransmitKeyID = simple_strtoul(value, NULL, 0);
 		} else {
 			DBG_WARNING( DbgInfo, "%s invalid; will be ignored\n", PARM_NAME_TX_KEY );
 		}
@@ -617,7 +617,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 	else if ( strcmp( key, PARM_NAME_TX_RATE ) == 0 ) {
 		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE, value );
 
-		value_convert = wl_atoi( value );
+		value_convert = simple_strtoul(value, NULL, 0);
 		if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
 			lp->TxRateControl[0] = value_convert;
 		} else {
@@ -627,7 +627,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 	else if ( strcmp( key, PARM_NAME_TX_POW_LEVEL ) == 0 ) {
 		DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_POW_LEVEL, value );
 
-		value_convert = wl_atoi( value );
+		value_convert = simple_strtoul(value, NULL, 0);
 		if (( value_convert >= PARM_MIN_TX_POW_LEVEL ) || ( value_convert <= PARM_MAX_TX_POW_LEVEL )) {
 			lp->txPowLevel = value_convert;
 		} else {
@@ -645,7 +645,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		if ( strcmp( key, PARM_NAME_PORT_TYPE ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_PORT_TYPE, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert == PARM_MIN_PORT_TYPE ) || ( value_convert == PARM_MAX_PORT_TYPE )) {
 				lp->PortType = value_convert;
 			} else {
@@ -654,7 +654,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		}
 		else if ( strcmp( key, PARM_NAME_PM_ENABLED ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_PM_ENABLED, value );
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 	/* ;? how about wl_main.c containing
 	 * VALID_PARAM( PARM_PM_ENABLED <= WVLAN_PM_STATE_STANDARD ||
 	 *					 ( PARM_PM_ENABLED & 0x7FFF ) <= WVLAN_PM_STATE_STANDARD );
@@ -677,7 +677,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_MAX_SLEEP ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_MAX_SLEEP, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= 0 ) && ( value_convert <= 65535 )) {
 				lp->MaxSleepDuration = value_convert;
 			} else {
@@ -696,7 +696,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_AUTHENTICATION ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_AUTHENTICATION, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_AUTHENTICATION ) && ( value_convert <= PARM_MAX_AUTHENTICATION )) {
 				lp->authentication = value_convert;
 			} else {
@@ -706,7 +706,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_OWN_ATIM_WINDOW ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_ATIM_WINDOW, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_OWN_ATIM_WINDOW ) && ( value_convert <= PARM_MAX_OWN_ATIM_WINDOW )) {
 				lp->atimWindow = value_convert;
 			} else {
@@ -716,7 +716,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_PM_HOLDOVER_DURATION ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_PM_HOLDOVER_DURATION, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_PM_HOLDOVER_DURATION ) && ( value_convert <= PARM_MAX_PM_HOLDOVER_DURATION )) {
 				lp->holdoverDuration = value_convert;
 			} else {
@@ -730,7 +730,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_CONNECTION_CONTROL ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_CONNECTION_CONTROL, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_CONNECTION_CONTROL ) && ( value_convert <= PARM_MAX_CONNECTION_CONTROL )) {
 				lp->connectionControl = value_convert;
 			} else {
@@ -749,7 +749,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		if ( strcmp( key, PARM_NAME_OWN_DTIM_PERIOD ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_DTIM_PERIOD, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if ( value_convert >= PARM_MIN_OWN_DTIM_PERIOD ) {
 				lp->DTIMPeriod = value_convert;
 			} else {
@@ -775,7 +775,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_OWN_BEACON_INTERVAL ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_OWN_BEACON_INTERVAL, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if ( value_convert >= PARM_MIN_OWN_BEACON_INTERVAL ) {
 				lp->ownBeaconInterval = value_convert;
 			} else {
@@ -785,7 +785,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_COEXISTENCE ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_COEXISTENCE, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if ( value_convert >= PARM_MIN_COEXISTENCE ) {
 				lp->coexistence = value_convert;
 			} else {
@@ -797,7 +797,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD1 ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD1, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
 				lp->wds_port[0].rtsThreshold = value_convert;
 			} else {
@@ -807,7 +807,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD2 ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD2, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
 				lp->wds_port[1].rtsThreshold = value_convert;
 			} else {
@@ -817,7 +817,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD3 ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD3, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
 				lp->wds_port[2].rtsThreshold = value_convert;
 			} else {
@@ -827,7 +827,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD4 ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD4, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
 				lp->wds_port[3].rtsThreshold = value_convert;
 			} else {
@@ -837,7 +837,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD5 ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD5, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
 				lp->wds_port[4].rtsThreshold = value_convert;
 			} else {
@@ -847,7 +847,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_RTS_THRESHOLD6 ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_RTS_THRESHOLD6, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_RTS_THRESHOLD ) && ( value_convert <= PARM_MAX_RTS_THRESHOLD )) {
 				lp->wds_port[5].rtsThreshold = value_convert;
 			} else {
@@ -857,7 +857,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_TX_RATE1 ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE1, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
 				lp->wds_port[0].txRateCntl = value_convert;
 			} else {
@@ -867,7 +867,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_TX_RATE2 ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE2, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
 				lp->wds_port[1].txRateCntl = value_convert;
 			} else {
@@ -877,7 +877,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_TX_RATE3 ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE3, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
 				lp->wds_port[2].txRateCntl = value_convert;
 			} else {
@@ -887,7 +887,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_TX_RATE4 ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE4, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
 				lp->wds_port[3].txRateCntl = value_convert;
 			} else {
@@ -897,7 +897,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_TX_RATE5 ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE5, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
 				lp->wds_port[4].txRateCntl = value_convert;
 			} else {
@@ -907,7 +907,7 @@ void translate_option( char *buffer, struct wl_private *lp )
 		else if ( strcmp( key, PARM_NAME_TX_RATE6 ) == 0 ) {
 			DBG_TRACE( DbgInfo, "%s, value: %s\n", PARM_NAME_TX_RATE6, value );
 
-			value_convert = wl_atoi( value );
+			value_convert = simple_strtoul(value, NULL, 0);
 			if (( value_convert >= PARM_MIN_TX_RATE ) && ( value_convert <= PARM_MAX_TX_RATE )) {
 				lp->wds_port[5].txRateCntl = value_convert;
 			} else {
diff --git a/drivers/staging/wlags49_h2/wl_util.c b/drivers/staging/wlags49_h2/wl_util.c
index ac1e7f38f982..bbdb9973d1e5 100644
--- a/drivers/staging/wlags49_h2/wl_util.c
+++ b/drivers/staging/wlags49_h2/wl_util.c
@@ -1536,52 +1536,3 @@ int wl_get_tallies(struct wl_private *lp,
     return ret;
 }
 
-/*******************************************************************************
- *	wl_atoi()
- *******************************************************************************
- *
- *  DESCRIPTION:
- *
- *      Believe it or not, we need our own implementation of atoi in the kernel.
- *
- *  PARAMETERS:
- *
- *      string  - the ASCII string to convert to an integer
- *
- *  RETURNS:
- *
- *      unsigned integer
- *
- ******************************************************************************/
-unsigned int wl_atoi( char *string )
-{
-unsigned int base = 10;				//default to decimal
-unsigned int value = 0;
-unsigned int c;
-int i = strlen( string );
-
-	if ( i > 2 && string[0] == '0' && ( string[1] | ('X'^'x') ) == 'x' ) {
-		base = 16;
-		string +=2;
-	}
-	while ( ( c = *string++ ) != '\0' ) {
-		if ( value > UINT_MAX / base ) {	//test for overrun
-			DBG_FUNC( "wl_atoi" );	//don't overload the log file with good messages
-			DBG_ENTER( DbgInfo );
-			DBG_ERROR( DbgInfo, "string \"%s\", lenght exceeds expectations\n", string );
-			printk( "<1>string \"%s\", lenght exceeds expectations\n", string );
-			DBG_LEAVE( DbgInfo );
-			break;
-		}
-		c -= '0';
-		if ( 0 <= c && c <= 9 ) value = base * value + c;
-		else if ( base == 16 ) {
-			c += '0';
-			c |= 'A'^'a';
-			c = c - 'a'+ 10;
-			if ( 10 <= c && c <= 15 ) value = base * value + c;
-		}
-	}
-	return value;
-} // wl_atoi
-
diff --git a/drivers/staging/wlags49_h2/wl_util.h b/drivers/staging/wlags49_h2/wl_util.h
index 16cd6c578adb..561e85b5c9b2 100644
--- a/drivers/staging/wlags49_h2/wl_util.h
+++ b/drivers/staging/wlags49_h2/wl_util.h
@@ -100,6 +100,4 @@ void wl_process_updated_record( struct wl_private *lp );
 void wl_process_assoc_status( struct wl_private *lp );
 void wl_process_security_status( struct wl_private *lp );
 
-unsigned int wl_atoi( char *string );
-
 #endif  // __WL_UTIL_H__
diff --git a/drivers/staging/wlan-ng/Kconfig b/drivers/staging/wlan-ng/Kconfig
index f44294b0d8dc..82fcc1665e92 100644
--- a/drivers/staging/wlan-ng/Kconfig
+++ b/drivers/staging/wlan-ng/Kconfig
@@ -1,6 +1,8 @@
 config PRISM2_USB
 	tristate "Prism2.5/3 USB driver"
-	depends on WLAN && USB && WIRELESS_EXT
+	depends on WLAN && USB
+	select WIRELESS_EXT
+	select WEXT_PRIV
 	default n
 	---help---
 	  This is the wlan-ng prism 2.5/3 USB driver for a wide range of
diff --git a/drivers/staging/wlan-ng/hfa384x.h b/drivers/staging/wlan-ng/hfa384x.h
index 46cce8159e59..1fa42e01e8cb 100644
--- a/drivers/staging/wlan-ng/hfa384x.h
+++ b/drivers/staging/wlan-ng/hfa384x.h
@@ -61,17 +61,17 @@
 #include <linux/if_ether.h>
 
 /*--- Mins & Maxs -----------------------------------*/
-#define		HFA384x_PORTID_MAX		((u16)7)
-#define		HFA384x_NUMPORTS_MAX		((u16)(HFA384x_PORTID_MAX+1))
-#define		HFA384x_PDR_LEN_MAX		((u16)512)	/* in bytes, from EK */
-#define		HFA384x_PDA_RECS_MAX		((u16)200)	/* a guess */
-#define		HFA384x_PDA_LEN_MAX		((u16)1024)	/* in bytes, from EK */
-#define		HFA384x_SCANRESULT_MAX		((u16)31)
-#define		HFA384x_HSCANRESULT_MAX		((u16)31)
-#define		HFA384x_CHINFORESULT_MAX	((u16)16)
-#define		HFA384x_RID_GUESSING_MAXLEN	2048	/* I'm not really sure */
-#define		HFA384x_RIDDATA_MAXLEN		HFA384x_RID_GUESSING_MAXLEN
-#define		HFA384x_USB_RWMEM_MAXLEN	2048
+#define	HFA384x_PORTID_MAX		((u16)7)
+#define	HFA384x_NUMPORTS_MAX		((u16)(HFA384x_PORTID_MAX+1))
+#define	HFA384x_PDR_LEN_MAX		((u16)512) /* in bytes, from EK */
+#define	HFA384x_PDA_RECS_MAX		((u16)200) /* a guess */
+#define	HFA384x_PDA_LEN_MAX		((u16)1024) /* in bytes, from EK*/
+#define	HFA384x_SCANRESULT_MAX		((u16)31)
+#define	HFA384x_HSCANRESULT_MAX		((u16)31)
+#define	HFA384x_CHINFORESULT_MAX	((u16)16)
+#define	HFA384x_RID_GUESSING_MAXLEN	2048	/* I'm not really sure */
+#define	HFA384x_RIDDATA_MAXLEN		HFA384x_RID_GUESSING_MAXLEN
+#define	HFA384x_USB_RWMEM_MAXLEN	2048
 
 /*--- Support Constants -----------------------------*/
 #define		HFA384x_PORTTYPE_IBSS			((u16)0)
@@ -115,8 +115,8 @@
 
 /* Make a 32-bit flat address from AUX format 16-bit page and offset */
 #define		HFA384x_ADDR_AUX_MKFLAT(p, o)	\
-		(((u32)(((u16)(p))&HFA384x_ADDR_AUX_PAGE_MASK)) << 7) | \
-		((u32)(((u16)(o))&HFA384x_ADDR_AUX_OFF_MASK))
+		((((u32)(((u16)(p))&HFA384x_ADDR_AUX_PAGE_MASK)) << 7) | \
+		((u32)(((u16)(o))&HFA384x_ADDR_AUX_OFF_MASK)))
 
 /* Make CMD format offset and page from a 32-bit flat address */
 #define		HFA384x_ADDR_CMD_MKPAGE(f) \
@@ -135,12 +135,21 @@
 #define		HFA384x_DLSTATE_FLASHENABLED		2
 
 /*--- Register Field Masks --------------------------*/
-#define		HFA384x_CMD_AINFO		((u16)(BIT(14) | BIT(13) | BIT(12) | BIT(11) | BIT(10) | BIT(9) | BIT(8)))
-#define		HFA384x_CMD_MACPORT		((u16)(BIT(10) | BIT(9) | BIT(8)))
+#define		HFA384x_CMD_AINFO		((u16)(BIT(14) | BIT(13) \
+							| BIT(12) | BIT(11) \
+							| BIT(10) | BIT(9) \
+							| BIT(8)))
+#define		HFA384x_CMD_MACPORT		((u16)(BIT(10) | BIT(9) | \
+							BIT(8)))
 #define		HFA384x_CMD_PROGMODE		((u16)(BIT(9) | BIT(8)))
-#define		HFA384x_CMD_CMDCODE		((u16)(BIT(5) | BIT(4) | BIT(3) | BIT(2) | BIT(1) | BIT(0)))
+#define		HFA384x_CMD_CMDCODE		((u16)(BIT(5) | BIT(4) | \
+							BIT(3) | BIT(2) | \
+							BIT(1) | BIT(0)))
 
-#define		HFA384x_STATUS_RESULT		((u16)(BIT(14) | BIT(13) | BIT(12) | BIT(11) | BIT(10) | BIT(9) | BIT(8)))
+#define		HFA384x_STATUS_RESULT		((u16)(BIT(14) | BIT(13) \
+							| BIT(12) | BIT(11) \
+							| BIT(10) | BIT(9) \
+							| BIT(8)))
 
 /*--- Command Code Constants --------------------------*/
 /*--- Controller Commands --------------------------*/
@@ -244,8 +253,10 @@ Information RID Lengths:  MAC Information
   This is the length of JUST the DATA part of the RID (does not
   include the len or code fields)
 --------------------------------------------------------------------*/
-#define		HFA384x_RID_DBMCOMMSQUALITY_LEN		((u16)sizeof(hfa384x_dbmcommsquality_t))
-#define		HFA384x_RID_JOINREQUEST_LEN		((u16)sizeof(hfa384x_JoinRequest_data_t))
+#define		HFA384x_RID_DBMCOMMSQUALITY_LEN	 \
+	((u16) sizeof(hfa384x_dbmcommsquality_t))
+#define		HFA384x_RID_JOINREQUEST_LEN \
+	((u16)sizeof(hfa384x_JoinRequest_data_t))
 
 /*--------------------------------------------------------------------
 Information RIDs:  Modem Information
@@ -322,9 +333,11 @@ PD Record codes
 
 /*--- Register Test/Get/Set Field macros ------------------------*/
 
-#define		HFA384x_CMD_AINFO_SET(value)		((u16)((u16)(value) << 8))
-#define		HFA384x_CMD_MACPORT_SET(value)		((u16)HFA384x_CMD_AINFO_SET(value))
-#define		HFA384x_CMD_PROGMODE_SET(value)		((u16)HFA384x_CMD_AINFO_SET((u16)value))
+#define		HFA384x_CMD_AINFO_SET(value)	((u16)((u16)(value) << 8))
+#define		HFA384x_CMD_MACPORT_SET(value)	\
+			((u16)HFA384x_CMD_AINFO_SET(value))
+#define		HFA384x_CMD_PROGMODE_SET(value)	\
+			((u16)HFA384x_CMD_AINFO_SET((u16)value))
 #define		HFA384x_CMD_CMDCODE_SET(value)		((u16)(value))
 
 #define		HFA384x_STATUS_RESULT_SET(value)	(((u16)(value)) << 8)
@@ -402,7 +415,7 @@ typedef struct hfa384x_authenticateStation_data {
 /*-- Configuration Record: WPAData       (data portion only) --*/
 typedef struct hfa384x_WPAData {
 	u16 datalen;
-	u8 data[0];		// max 80
+	u8 data[0];		/* max 80 */
 } __attribute__ ((packed)) hfa384x_WPAData_t;
 
 /*--------------------------------------------------------------------
@@ -479,7 +492,8 @@ Communication Frames: Field Masks for Transmit Frames
 #define		HFA384x_TXSTATUS_AGEDERR		((u16)BIT(1))
 #define		HFA384x_TXSTATUS_RETRYERR		((u16)BIT(0))
 /*-- Transmit Control Field --*/
-#define		HFA384x_TX_MACPORT			((u16)(BIT(10) | BIT(9) | BIT(8)))
+#define		HFA384x_TX_MACPORT			((u16)(BIT(10) | \
+							  BIT(9) | BIT(8)))
 #define		HFA384x_TX_STRUCTYPE			((u16)(BIT(4) | BIT(3)))
 #define		HFA384x_TX_TXEX				((u16)BIT(2))
 #define		HFA384x_TX_TXOK				((u16)BIT(1))
@@ -496,7 +510,8 @@ Communication Frames: Test/Get/Set Field Values for Transmit Frames
 #define	HFA384x_TX_SET(v, m, s)		((((u16)(v))<<((u16)(s)))&((u16)(m)))
 
 #define	HFA384x_TX_MACPORT_SET(v)	HFA384x_TX_SET(v, HFA384x_TX_MACPORT, 8)
-#define	HFA384x_TX_STRUCTYPE_SET(v)	HFA384x_TX_SET(v, HFA384x_TX_STRUCTYPE, 3)
+#define	HFA384x_TX_STRUCTYPE_SET(v)	HFA384x_TX_SET(v, \
+						HFA384x_TX_STRUCTYPE, 3)
 #define	HFA384x_TX_TXEX_SET(v)		HFA384x_TX_SET(v, HFA384x_TX_TXEX, 2)
 #define	HFA384x_TX_TXOK_SET(v)		HFA384x_TX_SET(v, HFA384x_TX_TXOK, 1)
 /*--------------------------------------------------------------------
@@ -534,13 +549,17 @@ Communication Frames: Field Masks for Receive Frames
 --------------------------------------------------------------------*/
 
 /*-- Status Fields --*/
-#define		HFA384x_RXSTATUS_MACPORT		((u16)(BIT(10) | BIT(9) | BIT(8)))
+#define		HFA384x_RXSTATUS_MACPORT		((u16)(BIT(10) | \
+								BIT(9) | \
+								BIT(8)))
 #define		HFA384x_RXSTATUS_FCSERR			((u16)BIT(0))
 /*--------------------------------------------------------------------
 Communication Frames: Test/Get/Set Field Values for Receive Frames
 --------------------------------------------------------------------*/
-#define		HFA384x_RXSTATUS_MACPORT_GET(value)	((u16)((((u16)(value)) & HFA384x_RXSTATUS_MACPORT) >> 8))
-#define		HFA384x_RXSTATUS_ISFCSERR(value)	((u16)(((u16)(value)) & HFA384x_RXSTATUS_FCSERR))
+#define		HFA384x_RXSTATUS_MACPORT_GET(value)	((u16)((((u16)(value)) \
+					    & HFA384x_RXSTATUS_MACPORT) >> 8))
+#define		HFA384x_RXSTATUS_ISFCSERR(value)	((u16)(((u16)(value)) \
+						  & HFA384x_RXSTATUS_FCSERR))
 /*--------------------------------------------------------------------
  FRAME STRUCTURES: Information Types and Information Frame Structures
 ----------------------------------------------------------------------
@@ -1133,7 +1152,7 @@ struct hfa384x;
 
 typedef void (*ctlx_cmdcb_t) (struct hfa384x *, const struct hfa384x_usbctlx *);
 
-typedef void (*ctlx_usercb_t) (struct hfa384x * hw,
+typedef void (*ctlx_usercb_t) (struct hfa384x *hw,
 			       void *ctlxresult, void *usercb_data);
 
 typedef struct hfa384x_usbctlx {
@@ -1174,14 +1193,14 @@ typedef struct hfa484x_metacmd {
 } hfa384x_metacmd_t;
 
 #define	MAX_GRP_ADDR		32
-#define WLAN_COMMENT_MAX	80	/* Max. length of user comment string. */
+#define WLAN_COMMENT_MAX	80  /* Max. length of user comment string. */
 
-#define WLAN_AUTH_MAX           60	/* Max. # of authenticated stations. */
-#define WLAN_ACCESS_MAX		60	/* Max. # of stations in an access list. */
-#define WLAN_ACCESS_NONE	0	/* No stations may be authenticated. */
-#define WLAN_ACCESS_ALL		1	/* All stations may be authenticated. */
-#define WLAN_ACCESS_ALLOW	2	/* Authenticate only "allowed" stations. */
-#define WLAN_ACCESS_DENY	3	/* Do not authenticate "denied" stations. */
+#define WLAN_AUTH_MAX           60  /* Max. # of authenticated stations. */
+#define WLAN_ACCESS_MAX		60  /* Max. # of stations in an access list. */
+#define WLAN_ACCESS_NONE	0   /* No stations may be authenticated. */
+#define WLAN_ACCESS_ALL		1   /* All stations may be authenticated. */
+#define WLAN_ACCESS_ALLOW	2   /* Authenticate only "allowed" stations. */
+#define WLAN_ACCESS_DENY	3   /* Do not authenticate "denied" stations. */
 
 /* XXX These are going away ASAP */
 typedef struct prism2sta_authlist {
@@ -1294,10 +1313,23 @@ typedef struct hfa384x {
 	hfa384x_caplevel_t cap_sup_ap;
 
 	/* Actor compatibility ranges */
-	hfa384x_caplevel_t cap_act_pri_cfi;	/* pri f/w to controller interface */
-	hfa384x_caplevel_t cap_act_sta_cfi;	/* sta f/w to controller interface */
+	hfa384x_caplevel_t cap_act_pri_cfi;	/*
+						 * pri f/w to controller
+						 * interface
+						 */
+
+	hfa384x_caplevel_t cap_act_sta_cfi;	/*
+						 * sta f/w to controller
+						 * interface
+						 */
+
 	hfa384x_caplevel_t cap_act_sta_mfi;	/* sta f/w to modem interface */
-	hfa384x_caplevel_t cap_act_ap_cfi;	/* ap f/w to controller interface */
+
+	hfa384x_caplevel_t cap_act_ap_cfi;	/*
+						 * ap f/w to controller
+						 * interface
+						 */
+
 	hfa384x_caplevel_t cap_act_ap_mfi;	/* ap f/w to modem interface */
 
 	u32 psusercount;	/* Power save user count. */
@@ -1320,25 +1352,25 @@ typedef struct hfa384x {
 
 } hfa384x_t;
 
-void hfa384x_create(hfa384x_t * hw, struct usb_device *usb);
-void hfa384x_destroy(hfa384x_t * hw);
+void hfa384x_create(hfa384x_t *hw, struct usb_device *usb);
+void hfa384x_destroy(hfa384x_t *hw);
 
 int
-hfa384x_corereset(hfa384x_t * hw, int holdtime, int settletime, int genesis);
-int hfa384x_drvr_commtallies(hfa384x_t * hw);
-int hfa384x_drvr_disable(hfa384x_t * hw, u16 macport);
-int hfa384x_drvr_enable(hfa384x_t * hw, u16 macport);
-int hfa384x_drvr_flashdl_enable(hfa384x_t * hw);
-int hfa384x_drvr_flashdl_disable(hfa384x_t * hw);
-int hfa384x_drvr_flashdl_write(hfa384x_t * hw, u32 daddr, void *buf, u32 len);
-int hfa384x_drvr_getconfig(hfa384x_t * hw, u16 rid, void *buf, u16 len);
-int hfa384x_drvr_ramdl_enable(hfa384x_t * hw, u32 exeaddr);
-int hfa384x_drvr_ramdl_disable(hfa384x_t * hw);
-int hfa384x_drvr_ramdl_write(hfa384x_t * hw, u32 daddr, void *buf, u32 len);
-int hfa384x_drvr_readpda(hfa384x_t * hw, void *buf, unsigned int len);
-int hfa384x_drvr_setconfig(hfa384x_t * hw, u16 rid, void *buf, u16 len);
-
-static inline int hfa384x_drvr_getconfig16(hfa384x_t * hw, u16 rid, void *val)
+hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis);
+int hfa384x_drvr_commtallies(hfa384x_t *hw);
+int hfa384x_drvr_disable(hfa384x_t *hw, u16 macport);
+int hfa384x_drvr_enable(hfa384x_t *hw, u16 macport);
+int hfa384x_drvr_flashdl_enable(hfa384x_t *hw);
+int hfa384x_drvr_flashdl_disable(hfa384x_t *hw);
+int hfa384x_drvr_flashdl_write(hfa384x_t *hw, u32 daddr, void *buf, u32 len);
+int hfa384x_drvr_getconfig(hfa384x_t *hw, u16 rid, void *buf, u16 len);
+int hfa384x_drvr_ramdl_enable(hfa384x_t *hw, u32 exeaddr);
+int hfa384x_drvr_ramdl_disable(hfa384x_t *hw);
+int hfa384x_drvr_ramdl_write(hfa384x_t *hw, u32 daddr, void *buf, u32 len);
+int hfa384x_drvr_readpda(hfa384x_t *hw, void *buf, unsigned int len);
+int hfa384x_drvr_setconfig(hfa384x_t *hw, u16 rid, void *buf, u16 len);
+
+static inline int hfa384x_drvr_getconfig16(hfa384x_t *hw, u16 rid, void *val)
 {
 	int result = 0;
 	result = hfa384x_drvr_getconfig(hw, rid, val, sizeof(u16));
@@ -1347,46 +1379,46 @@ static inline int hfa384x_drvr_getconfig16(hfa384x_t * hw, u16 rid, void *val)
 	return result;
 }
 
-static inline int hfa384x_drvr_setconfig16(hfa384x_t * hw, u16 rid, u16 val)
+static inline int hfa384x_drvr_setconfig16(hfa384x_t *hw, u16 rid, u16 val)
 {
 	u16 value = cpu_to_le16(val);
 	return hfa384x_drvr_setconfig(hw, rid, &value, sizeof(value));
 }
 
 int
-hfa384x_drvr_getconfig_async(hfa384x_t * hw,
+hfa384x_drvr_getconfig_async(hfa384x_t *hw,
 			     u16 rid, ctlx_usercb_t usercb, void *usercb_data);
 
 int
-hfa384x_drvr_setconfig_async(hfa384x_t * hw,
+hfa384x_drvr_setconfig_async(hfa384x_t *hw,
 			     u16 rid,
 			     void *buf,
 			     u16 len, ctlx_usercb_t usercb, void *usercb_data);
 
 static inline int
-hfa384x_drvr_setconfig16_async(hfa384x_t * hw, u16 rid, u16 val)
+hfa384x_drvr_setconfig16_async(hfa384x_t *hw, u16 rid, u16 val)
 {
 	u16 value = cpu_to_le16(val);
 	return hfa384x_drvr_setconfig_async(hw, rid, &value, sizeof(value),
 					    NULL, NULL);
 }
 
-int hfa384x_drvr_start(hfa384x_t * hw);
-int hfa384x_drvr_stop(hfa384x_t * hw);
+int hfa384x_drvr_start(hfa384x_t *hw);
+int hfa384x_drvr_stop(hfa384x_t *hw);
 int
-hfa384x_drvr_txframe(hfa384x_t * hw, struct sk_buff *skb,
-		     p80211_hdr_t * p80211_hdr, p80211_metawep_t * p80211_wep);
-void hfa384x_tx_timeout(wlandevice_t * wlandev);
-
-int hfa384x_cmd_initialize(hfa384x_t * hw);
-int hfa384x_cmd_enable(hfa384x_t * hw, u16 macport);
-int hfa384x_cmd_disable(hfa384x_t * hw, u16 macport);
-int hfa384x_cmd_allocate(hfa384x_t * hw, u16 len);
-int hfa384x_cmd_monitor(hfa384x_t * hw, u16 enable);
+hfa384x_drvr_txframe(hfa384x_t *hw, struct sk_buff *skb,
+		     p80211_hdr_t *p80211_hdr, p80211_metawep_t *p80211_wep);
+void hfa384x_tx_timeout(wlandevice_t *wlandev);
+
+int hfa384x_cmd_initialize(hfa384x_t *hw);
+int hfa384x_cmd_enable(hfa384x_t *hw, u16 macport);
+int hfa384x_cmd_disable(hfa384x_t *hw, u16 macport);
+int hfa384x_cmd_allocate(hfa384x_t *hw, u16 len);
+int hfa384x_cmd_monitor(hfa384x_t *hw, u16 enable);
 int
-hfa384x_cmd_download(hfa384x_t * hw,
+hfa384x_cmd_download(hfa384x_t *hw,
 		     u16 mode, u16 lowaddr, u16 highaddr, u16 codelen);
 
-#endif /* __KERNEL__ */
+#endif /*__KERNEL__ */
 
-#endif /* _HFA384x_H */
+#endif /*_HFA384x_H */
diff --git a/drivers/staging/wlan-ng/hfa384x_usb.c b/drivers/staging/wlan-ng/hfa384x_usb.c
index 925678babd9e..5df56f0238d6 100644
--- a/drivers/staging/wlan-ng/hfa384x_usb.c
+++ b/drivers/staging/wlan-ng/hfa384x_usb.c
@@ -52,7 +52,7 @@
 * around the register accesses.  The next higher level represents C-callable
 * prism2 API functions that match the Intersil documentation as closely
 * as is reasonable.  The next higher layer implements common sequences
-* of invokations of the API layer (e.g. write to bap, followed by cmd).
+* of invocations of the API layer (e.g. write to bap, followed by cmd).
 *
 * Common sequences:
 * hfa384x_drvr_xxx	Highest level abstractions provided by the
@@ -118,15 +118,15 @@
 #include <linux/wireless.h>
 #include <linux/netdevice.h>
 #include <linux/timer.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <linux/delay.h>
 #include <asm/byteorder.h>
-#include <asm/bitops.h>
+#include <linux/bitops.h>
 #include <linux/list.h>
 #include <linux/usb.h>
 #include <linux/byteorder/generic.h>
 
-#define SUBMIT_URB(u,f)  usb_submit_urb(u,f)
+#define SUBMIT_URB(u, f)  usb_submit_urb(u, f)
 
 #include "p80211types.h"
 #include "p80211hdr.h"
@@ -627,7 +627,7 @@ static hfa384x_usbctlx_t *usbctlx_alloc(void)
 {
 	hfa384x_usbctlx_t *ctlx;
 
-	ctlx = kmalloc(sizeof(*ctlx), in_interrupt()? GFP_ATOMIC : GFP_KERNEL);
+	ctlx = kmalloc(sizeof(*ctlx), in_interrupt() ? GFP_ATOMIC : GFP_KERNEL);
 	if (ctlx != NULL) {
 		memset(ctlx, 0, sizeof(*ctlx));
 		init_completion(&ctlx->done);
@@ -675,7 +675,7 @@ struct usbctlx_cmd_completor {
 };
 typedef struct usbctlx_cmd_completor usbctlx_cmd_completor_t;
 
-static int usbctlx_cmd_completor_fn(usbctlx_completor_t * head)
+static int usbctlx_cmd_completor_fn(usbctlx_completor_t *head)
 {
 	usbctlx_cmd_completor_t *complete = (usbctlx_cmd_completor_t *) head;
 	return usbctlx_get_status(complete->cmdresp, complete->result);
@@ -1909,18 +1909,19 @@ int hfa384x_drvr_flashdl_enable(hfa384x_t *hw)
 		return -EINVAL;
 
 	/* Retrieve the buffer loc&size and timeout */
-	if ((result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DOWNLOADBUFFER,
-					     &(hw->bufinfo),
-					     sizeof(hw->bufinfo)))) {
+	result = hfa384x_drvr_getconfig(hw, HFA384x_RID_DOWNLOADBUFFER,
+					&(hw->bufinfo), sizeof(hw->bufinfo));
+	if (result)
 		return result;
-	}
+
 	hw->bufinfo.page = le16_to_cpu(hw->bufinfo.page);
 	hw->bufinfo.offset = le16_to_cpu(hw->bufinfo.offset);
 	hw->bufinfo.len = le16_to_cpu(hw->bufinfo.len);
-	if ((result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_MAXLOADTIME,
-					       &(hw->dltimeout)))) {
+	result = hfa384x_drvr_getconfig16(hw, HFA384x_RID_MAXLOADTIME,
+					  &(hw->dltimeout));
+	if (result)
 		return result;
-	}
+
 	hw->dltimeout = le16_to_cpu(hw->dltimeout);
 
 	pr_debug("flashdl_enable\n");
@@ -3071,9 +3072,9 @@ static void hfa384x_usbctlxq_run(hfa384x_t *hw)
 				  hfa384x_ctlxout_callback, hw);
 		hw->ctlx_urb.transfer_flags |= USB_QUEUE_BULK;
 
-		/* Now submit the URB and update the CTLX's state
-		 */
-		if ((result = SUBMIT_URB(&hw->ctlx_urb, GFP_ATOMIC)) == 0) {
+		/* Now submit the URB and update the CTLX's state */
+		result = SUBMIT_URB(&hw->ctlx_urb, GFP_ATOMIC);
+		if (result == 0) {
 			/* This CTLX is now running on the active queue */
 			head->state = CTLX_REQ_SUBMITTED;
 
@@ -3599,7 +3600,8 @@ static void hfa384x_int_rxmonitor(wlandevice_t *wlandev,
 			 skblen - sizeof(p80211_caphdr_t));
 	}
 
-	if ((skb = dev_alloc_skb(skblen)) == NULL) {
+	skb = dev_alloc_skb(skblen);
+	if (skb == NULL) {
 		printk(KERN_ERR
 		       "alloc_skb failed trying to allocate %d bytes\n",
 		       skblen);
@@ -3642,7 +3644,7 @@ static void hfa384x_int_rxmonitor(wlandevice_t *wlandev,
 		/* check for unencrypted stuff if WEP bit set. */
 		if (*(datap - hdrlen + 1) & 0x40)	/* wep set */
 			if ((*(datap) == 0xaa) && (*(datap + 1) == 0xaa))
-				*(datap - hdrlen + 1) &= 0xbf;	// clear wep; it's the 802.2 header!
+				*(datap - hdrlen + 1) &= 0xbf;	/* clear wep; it's the 802.2 header! */
 	}
 
 	if (hw->sniff_fcs) {
@@ -3870,9 +3872,9 @@ retry:
 
 delresp:
 	if (delete_resptimer) {
-		if ((timer_ok = del_timer(&hw->resptimer)) != 0) {
+		timer_ok = del_timer(&hw->resptimer);
+		if (timer_ok != 0)
 			hw->resp_timer_done = 1;
-		}
 	}
 
 	spin_unlock_irqrestore(&hw->ctlxq.lock, flags);
diff --git a/drivers/staging/wlan-ng/p80211conv.c b/drivers/staging/wlan-ng/p80211conv.c
index 5952c671073f..a1605fbc8092 100644
--- a/drivers/staging/wlan-ng/p80211conv.c
+++ b/drivers/staging/wlan-ng/p80211conv.c
@@ -206,12 +206,11 @@ int skb_ether_to_p80211(wlandevice_t *wlandev, u32 ethconv,
 		/* XXXX need to pick keynum other than default? */
 
 		p80211_wep->data = kmalloc(skb->len, GFP_ATOMIC);
-
-		if ((foo = wep_encrypt(wlandev, skb->data, p80211_wep->data,
-				       skb->len,
-				       (wlandev->hostwep &
-					HOSTWEP_DEFAULTKEY_MASK),
-				       p80211_wep->iv, p80211_wep->icv))) {
+		foo = wep_encrypt(wlandev, skb->data, p80211_wep->data,
+				  skb->len,
+				  (wlandev->hostwep &HOSTWEP_DEFAULTKEY_MASK),
+				  p80211_wep->iv, p80211_wep->icv);
+		if (foo) {
 			printk(KERN_WARNING
 			       "Host en-WEP failed, dropping frame (%d).\n",
 			       foo);
@@ -323,11 +322,12 @@ int skb_p80211_to_ether(wlandevice_t *wlandev, u32 ethconv,
 			       skb->len);
 			return 1;
 		}
-		if ((foo = wep_decrypt(wlandev, skb->data + payload_offset + 4,
+		foo = wep_decrypt(wlandev, skb->data + payload_offset + 4,
 				       payload_length - 8, -1,
 				       skb->data + payload_offset,
 				       skb->data + payload_offset +
-				       payload_length - 4))) {
+				       payload_length - 4);
+		if (foo) {
 			/* de-wep failed, drop skb. */
 			pr_debug("Host de-WEP failed, dropping frame (%d).\n",
 				 foo);
diff --git a/drivers/staging/wlan-ng/p80211conv.h b/drivers/staging/wlan-ng/p80211conv.h
index 0c62df19fa7f..6fe163be24f6 100644
--- a/drivers/staging/wlan-ng/p80211conv.h
+++ b/drivers/staging/wlan-ng/p80211conv.h
@@ -153,8 +153,8 @@ struct wlandevice;
 int skb_p80211_to_ether(struct wlandevice *wlandev, u32 ethconv,
 			struct sk_buff *skb);
 int skb_ether_to_p80211(struct wlandevice *wlandev, u32 ethconv,
-			struct sk_buff *skb, p80211_hdr_t * p80211_hdr,
-			p80211_metawep_t * p80211_wep);
+			struct sk_buff *skb, p80211_hdr_t *p80211_hdr,
+			p80211_metawep_t *p80211_wep);
 
 int p80211_stt_findproto(u16 proto);
 
diff --git a/drivers/staging/wlan-ng/p80211metadef.h b/drivers/staging/wlan-ng/p80211metadef.h
index da8b6f53c74f..0ccfba1294de 100644
--- a/drivers/staging/wlan-ng/p80211metadef.h
+++ b/drivers/staging/wlan-ng/p80211metadef.h
@@ -190,9 +190,9 @@
 			(P80211DID_MKSECTION(2) | \
 			P80211DID_MKGROUP(1))
 #define DIDmib_dot11mac_dot11OperationTable_dot11MACAddress \
-                        (P80211DID_MKSECTION(2) | \
-                        P80211DID_MKGROUP(1) | \
-                        P80211DID_MKITEM(1) | 0x18000000)
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(1) | 0x18000000)
 #define DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold \
 			(P80211DID_MKSECTION(2) | \
 			P80211DID_MKGROUP(1) | \
@@ -210,18 +210,18 @@
 			P80211DID_MKGROUP(1) | \
 			P80211DID_MKITEM(5) | 0x18000000)
 #define DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime \
-                       (P80211DID_MKSECTION(2) | \
-                       P80211DID_MKGROUP(1) | \
-                       P80211DID_MKITEM(6) | 0x10000000)
+			(P80211DID_MKSECTION(2) | \
+			P80211DID_MKGROUP(1) | \
+			P80211DID_MKITEM(6) | 0x10000000)
 #define DIDmib_cat_dot11phy \
 			P80211DID_MKSECTION(3)
 #define DIDmib_dot11phy_dot11PhyOperationTable \
 			(P80211DID_MKSECTION(3) | \
 			P80211DID_MKGROUP(1))
 #define DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel \
-                       (P80211DID_MKSECTION(3) | \
-                       P80211DID_MKGROUP(3) | \
-                       P80211DID_MKITEM(10) | 0x18000000)
+			(P80211DID_MKSECTION(3) | \
+			P80211DID_MKGROUP(3) | \
+			P80211DID_MKITEM(10) | 0x18000000)
 #define DIDmib_dot11phy_dot11PhyDSSSTable \
 			(P80211DID_MKSECTION(3) | \
 			P80211DID_MKGROUP(5))
diff --git a/drivers/staging/wlan-ng/p80211mgmt.h b/drivers/staging/wlan-ng/p80211mgmt.h
index 14cdc86d1676..deb52f5fd780 100644
--- a/drivers/staging/wlan-ng/p80211mgmt.h
+++ b/drivers/staging/wlan-ng/p80211mgmt.h
@@ -100,7 +100,7 @@
 #ifndef _P80211MGMT_H
 #define _P80211MGMT_H
 
-#ifndef  _P80211HDR_H
+#ifndef _P80211HDR_H
 #include "p80211hdr.h"
 #endif
 
@@ -496,25 +496,25 @@ typedef struct wlan_fr_deauthen {
 
 } wlan_fr_deauthen_t;
 
-void wlan_mgmt_encode_beacon(wlan_fr_beacon_t * f);
-void wlan_mgmt_decode_beacon(wlan_fr_beacon_t * f);
-void wlan_mgmt_encode_disassoc(wlan_fr_disassoc_t * f);
-void wlan_mgmt_decode_disassoc(wlan_fr_disassoc_t * f);
-void wlan_mgmt_encode_assocreq(wlan_fr_assocreq_t * f);
-void wlan_mgmt_decode_assocreq(wlan_fr_assocreq_t * f);
-void wlan_mgmt_encode_assocresp(wlan_fr_assocresp_t * f);
-void wlan_mgmt_decode_assocresp(wlan_fr_assocresp_t * f);
-void wlan_mgmt_encode_reassocreq(wlan_fr_reassocreq_t * f);
-void wlan_mgmt_decode_reassocreq(wlan_fr_reassocreq_t * f);
-void wlan_mgmt_encode_reassocresp(wlan_fr_reassocresp_t * f);
-void wlan_mgmt_decode_reassocresp(wlan_fr_reassocresp_t * f);
-void wlan_mgmt_encode_probereq(wlan_fr_probereq_t * f);
-void wlan_mgmt_decode_probereq(wlan_fr_probereq_t * f);
-void wlan_mgmt_encode_proberesp(wlan_fr_proberesp_t * f);
-void wlan_mgmt_decode_proberesp(wlan_fr_proberesp_t * f);
-void wlan_mgmt_encode_authen(wlan_fr_authen_t * f);
-void wlan_mgmt_decode_authen(wlan_fr_authen_t * f);
-void wlan_mgmt_encode_deauthen(wlan_fr_deauthen_t * f);
-void wlan_mgmt_decode_deauthen(wlan_fr_deauthen_t * f);
+void wlan_mgmt_encode_beacon(wlan_fr_beacon_t *f);
+void wlan_mgmt_decode_beacon(wlan_fr_beacon_t *f);
+void wlan_mgmt_encode_disassoc(wlan_fr_disassoc_t *f);
+void wlan_mgmt_decode_disassoc(wlan_fr_disassoc_t *f);
+void wlan_mgmt_encode_assocreq(wlan_fr_assocreq_t *f);
+void wlan_mgmt_decode_assocreq(wlan_fr_assocreq_t *f);
+void wlan_mgmt_encode_assocresp(wlan_fr_assocresp_t *f);
+void wlan_mgmt_decode_assocresp(wlan_fr_assocresp_t *f);
+void wlan_mgmt_encode_reassocreq(wlan_fr_reassocreq_t *f);
+void wlan_mgmt_decode_reassocreq(wlan_fr_reassocreq_t *f);
+void wlan_mgmt_encode_reassocresp(wlan_fr_reassocresp_t *f);
+void wlan_mgmt_decode_reassocresp(wlan_fr_reassocresp_t *f);
+void wlan_mgmt_encode_probereq(wlan_fr_probereq_t *f);
+void wlan_mgmt_decode_probereq(wlan_fr_probereq_t *f);
+void wlan_mgmt_encode_proberesp(wlan_fr_proberesp_t *f);
+void wlan_mgmt_decode_proberesp(wlan_fr_proberesp_t *f);
+void wlan_mgmt_encode_authen(wlan_fr_authen_t *f);
+void wlan_mgmt_decode_authen(wlan_fr_authen_t *f);
+void wlan_mgmt_encode_deauthen(wlan_fr_deauthen_t *f);
+void wlan_mgmt_decode_deauthen(wlan_fr_deauthen_t *f);
 
 #endif /* _P80211MGMT_H */
diff --git a/drivers/staging/wlan-ng/p80211netdev.c b/drivers/staging/wlan-ng/p80211netdev.c
index 22424c8903ee..763ab1187a1c 100644
--- a/drivers/staging/wlan-ng/p80211netdev.c
+++ b/drivers/staging/wlan-ng/p80211netdev.c
@@ -586,7 +586,8 @@ static int p80211knetdev_do_ioctl(netdevice_t *dev, struct ifreq *ifr, int cmd)
 	}
 
 	/* Allocate a buf of size req->len */
-	if ((msgbuf = kmalloc(req->len, GFP_KERNEL))) {
+	msgbuf = kmalloc(req->len, GFP_KERNEL);
+	if (msgbuf) {
 		if (copy_from_user(msgbuf, (void __user *)req->data, req->len))
 			result = -EFAULT;
 		else
@@ -646,7 +647,7 @@ static int p80211knetdev_set_mac_address(netdevice_t *dev, void *addr)
 
 	/* Set up some convenience pointers. */
 	mibattr = &dot11req.mibattribute;
-	macaddr = (p80211item_pstr6_t *) & mibattr->data;
+	macaddr = (p80211item_pstr6_t *) &mibattr->data;
 	resultcode = &dot11req.resultcode;
 
 	/* Set up a dot11req_mibset */
@@ -674,7 +675,7 @@ static int p80211knetdev_set_mac_address(netdevice_t *dev, void *addr)
 	resultcode->data = 0;
 
 	/* now fire the request */
-	result = p80211req_dorequest(dev->ml_priv, (u8 *) & dot11req);
+	result = p80211req_dorequest(dev->ml_priv, (u8 *) &dot11req);
 
 	/* If the request wasn't successful, report an error and don't
 	 * change the netdev address
diff --git a/drivers/staging/wlan-ng/p80211netdev.h b/drivers/staging/wlan-ng/p80211netdev.h
index 8bd9dfb3b9b4..3c8c64800567 100644
--- a/drivers/staging/wlan-ng/p80211netdev.h
+++ b/drivers/staging/wlan-ng/p80211netdev.h
@@ -179,16 +179,16 @@ typedef struct wlandevice {
 	unsigned int ethconv;
 
 	/* device methods (init by MSD, used by p80211 */
-	int (*open) (struct wlandevice * wlandev);
-	int (*close) (struct wlandevice * wlandev);
-	void (*reset) (struct wlandevice * wlandev);
-	int (*txframe) (struct wlandevice * wlandev, struct sk_buff * skb,
-			p80211_hdr_t * p80211_hdr,
-			p80211_metawep_t * p80211_wep);
-	int (*mlmerequest) (struct wlandevice * wlandev, p80211msg_t * msg);
-	int (*set_multicast_list) (struct wlandevice * wlandev,
-				   netdevice_t * dev);
-	void (*tx_timeout) (struct wlandevice * wlandev);
+	int (*open) (struct wlandevice *wlandev);
+	int (*close) (struct wlandevice *wlandev);
+	void (*reset) (struct wlandevice *wlandev);
+	int (*txframe) (struct wlandevice *wlandev, struct sk_buff *skb,
+			p80211_hdr_t *p80211_hdr,
+			p80211_metawep_t *p80211_wep);
+	int (*mlmerequest) (struct wlandevice *wlandev, p80211msg_t *msg);
+	int (*set_multicast_list) (struct wlandevice *wlandev,
+				   netdevice_t *dev);
+	void (*tx_timeout) (struct wlandevice *wlandev);
 
 	/* 802.11 State */
 	u8 bssid[WLAN_BSSID_LEN];
@@ -227,16 +227,16 @@ typedef struct wlandevice {
 } wlandevice_t;
 
 /* WEP stuff */
-int wep_change_key(wlandevice_t * wlandev, int keynum, u8 * key, int keylen);
-int wep_decrypt(wlandevice_t * wlandev, u8 * buf, u32 len, int key_override,
-		u8 * iv, u8 * icv);
-int wep_encrypt(wlandevice_t * wlandev, u8 * buf, u8 * dst, u32 len, int keynum,
-		u8 * iv, u8 * icv);
-
-int wlan_setup(wlandevice_t * wlandev);
-int wlan_unsetup(wlandevice_t * wlandev);
-int register_wlandev(wlandevice_t * wlandev);
-int unregister_wlandev(wlandevice_t * wlandev);
-void p80211netdev_rx(wlandevice_t * wlandev, struct sk_buff *skb);
-void p80211netdev_hwremoved(wlandevice_t * wlandev);
+int wep_change_key(wlandevice_t *wlandev, int keynum, u8 *key, int keylen);
+int wep_decrypt(wlandevice_t *wlandev, u8 *buf, u32 len, int key_override,
+		u8 *iv, u8 *icv);
+int wep_encrypt(wlandevice_t *wlandev, u8 *buf, u8 *dst, u32 len, int keynum,
+		u8 *iv, u8 *icv);
+
+int wlan_setup(wlandevice_t *wlandev);
+int wlan_unsetup(wlandevice_t *wlandev);
+int register_wlandev(wlandevice_t *wlandev);
+int unregister_wlandev(wlandevice_t *wlandev);
+void p80211netdev_rx(wlandevice_t *wlandev, struct sk_buff *skb);
+void p80211netdev_hwremoved(wlandevice_t *wlandev);
 #endif
diff --git a/drivers/staging/wlan-ng/p80211req.c b/drivers/staging/wlan-ng/p80211req.c
index c88156cdf681..c2e95f166828 100644
--- a/drivers/staging/wlan-ng/p80211req.c
+++ b/drivers/staging/wlan-ng/p80211req.c
@@ -94,7 +94,7 @@ static int p80211req_mibset_mibget(wlandevice_t *wlandev,
 *	Potentially blocks the caller, so it's a good idea to
 *	not call this function from an interrupt context.
 ----------------------------------------------------------------*/
-int p80211req_dorequest(wlandevice_t * wlandev, u8 * msgbuf)
+int p80211req_dorequest(wlandevice_t *wlandev, u8 *msgbuf)
 {
 	int result = 0;
 	p80211msg_t *msg = (p80211msg_t *) msgbuf;
diff --git a/drivers/staging/wlan-ng/p80211req.h b/drivers/staging/wlan-ng/p80211req.h
index 5d9176762ba7..a95a45a6814d 100644
--- a/drivers/staging/wlan-ng/p80211req.h
+++ b/drivers/staging/wlan-ng/p80211req.h
@@ -48,6 +48,6 @@
 #ifndef _LINUX_P80211REQ_H
 #define _LINUX_P80211REQ_H
 
-int p80211req_dorequest(wlandevice_t * wlandev, u8 * msgbuf);
+int p80211req_dorequest(wlandevice_t *wlandev, u8 *msgbuf);
 
 #endif
diff --git a/drivers/staging/wlan-ng/p80211types.h b/drivers/staging/wlan-ng/p80211types.h
index 2b83ab0c711b..41a99c59c6c5 100644
--- a/drivers/staging/wlan-ng/p80211types.h
+++ b/drivers/staging/wlan-ng/p80211types.h
@@ -168,12 +168,12 @@
 					P80211DID_MASK_ISTABLE, \
 					P80211DID_LSB_ISTABLE)
 
-#define P80211DID_MKID(s,g,i,n,t,a)	(P80211DID_MKSECTION(s) | \
-						P80211DID_MKGROUP(g) | \
-				 		P80211DID_MKITEM(i) | \
-				 		P80211DID_MKINDEX(n) | \
-						P80211DID_MKISTABLE(t) | \
-						(a))
+#define P80211DID_MKID(s, g, i, n, t, a)	(P80211DID_MKSECTION(s) | \
+					P80211DID_MKGROUP(g) | \
+					P80211DID_MKITEM(i) | \
+					P80211DID_MKINDEX(n) | \
+					P80211DID_MKISTABLE(t) | \
+					(a))
 
 #define P80211DID_GET(a, m, l)	((((u32)(a)) >> (l)) & (m))
 
@@ -340,11 +340,11 @@ struct catlistitem;
 /*  metadata items.  Some components may choose to use more, */
 /*  less or different metadata items. */
 
-typedef void (*p80211_totext_t) (struct catlistitem *, u32 did, u8 * itembuf,
+typedef void (*p80211_totext_t) (struct catlistitem *, u32 did, u8 *itembuf,
 				 char *textbuf);
-typedef void (*p80211_fromtext_t) (struct catlistitem *, u32 did, u8 * itembuf,
+typedef void (*p80211_fromtext_t) (struct catlistitem *, u32 did, u8 *itembuf,
 				   char *textbuf);
-typedef u32(*p80211_valid_t) (struct catlistitem *, u32 did, u8 * itembuf);
+typedef u32(*p80211_valid_t) (struct catlistitem *, u32 did, u8 *itembuf);
 
 /*----------------------------------------------------------------*/
 /* Enumeration Lists */
diff --git a/drivers/staging/wlan-ng/p80211wext.c b/drivers/staging/wlan-ng/p80211wext.c
index 74d8022adb24..2fa1dfa23783 100644
--- a/drivers/staging/wlan-ng/p80211wext.c
+++ b/drivers/staging/wlan-ng/p80211wext.c
@@ -46,8 +46,8 @@
 #include <linux/wireless.h>
 #include <net/iw_handler.h>
 #include <linux/if_arp.h>
-#include <asm/bitops.h>
-#include <asm/uaccess.h>
+#include <linux/bitops.h>
+#include <linux/uaccess.h>
 #include <asm/byteorder.h>
 #include <linux/if_ether.h>
 #include <linux/bitops.h>
@@ -134,10 +134,11 @@ static int p80211wext_dorequest(wlandevice_t *wlandev, u32 did, u32 data)
 	int result;
 
 	msg.msgcode = DIDmsg_dot11req_mibset;
+	memset(&mibitem, 0, sizeof(mibitem));
 	mibitem.did = did;
 	mibitem.data = data;
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	return result;
 }
@@ -174,7 +175,7 @@ static int p80211wext_autojoin(wlandevice_t *wlandev)
 	memcpy(msg.ssid.data.data, ssid, data.length);
 	msg.ssid.data.len = data.length;
 
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result) {
 		err = -EFAULT;
@@ -211,7 +212,7 @@ struct iw_statistics *p80211wext_get_wireless_stats(netdevice_t *dev)
 	if (wlandev->mlmerequest == NULL)
 		return NULL;
 
-	retval = wlandev->mlmerequest(wlandev, (p80211msg_t *) & quality);
+	retval = wlandev->mlmerequest(wlandev, (p80211msg_t *) &quality);
 
 	wstats->qual.qual = qual_as_percent(quality.link.data);	/* overall link quality */
 	wstats->qual.level = quality.level.data;	/* instant signal level */
@@ -269,9 +270,10 @@ static int p80211wext_giwfreq(netdevice_t *dev,
 	int err = 0;
 
 	msg.msgcode = DIDmsg_dot11req_mibget;
+	memset(&mibitem, 0, sizeof(mibitem));
 	mibitem.did = DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel;
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result) {
 		err = -EFAULT;
@@ -309,6 +311,7 @@ static int p80211wext_siwfreq(netdevice_t *dev,
 	}
 
 	msg.msgcode = DIDmsg_dot11req_mibset;
+	memset(&mibitem, 0, sizeof(mibitem));
 	mibitem.did = DIDmib_dot11phy_dot11PhyDSSSTable_dot11CurrentChannel;
 	mibitem.status = P80211ENUM_msgitem_status_data_ok;
 
@@ -318,7 +321,7 @@ static int p80211wext_siwfreq(netdevice_t *dev,
 		mibitem.data = p80211_mhz_to_channel(freq->m);
 
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result) {
 		err = -EFAULT;
@@ -396,10 +399,11 @@ static int p80211wext_siwmode(netdevice_t *dev,
 
 	/* Set Operation mode to the PORT TYPE RID */
 	msg.msgcode = DIDmsg_dot11req_mibset;
+	memset(&mibitem, 0, sizeof(mibitem));
 	mibitem.did = DIDmib_p2_p2Static_p2CnfPortType;
 	mibitem.data = (*mode == IW_MODE_ADHOC) ? 0 : 1;
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result)
 		err = -EFAULT;
@@ -549,14 +553,14 @@ static int p80211wext_siwencode(netdevice_t *dev,
 	}
 
 	/* Check the Key index first. */
-	if ((i = (erq->flags & IW_ENCODE_INDEX))) {
-
+	i = (erq->flags & IW_ENCODE_INDEX);
+	if (i) {
 		if ((i < 1) || (i > NUM_WEPKEYS)) {
 			err = -EINVAL;
 			goto exit;
-		} else
+		} else {
 			i--;
-
+		}
 		/* Set current key number only if no keys are given */
 		if (erq->flags & IW_ENCODE_NOKEY) {
 			result =
@@ -621,7 +625,7 @@ static int p80211wext_siwencode(netdevice_t *dev,
 
 			msg.msgcode = DIDmsg_dot11req_mibset;
 			memcpy(&msg.mibattribute.data, &pstr, sizeof(pstr));
-			result = p80211req_dorequest(wlandev, (u8 *) & msg);
+			result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 			if (result) {
 				err = -EFAULT;
@@ -729,7 +733,7 @@ static int p80211wext_siwessid(netdevice_t *dev,
 	msg.ssid.data.len = length;
 
 	pr_debug("autojoin_ssid for %s \n", essid);
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 	pr_debug("autojoin_ssid %d\n", result);
 
 	if (result) {
@@ -771,9 +775,10 @@ static int p80211wext_giwrate(netdevice_t *dev,
 	int err = 0;
 
 	msg.msgcode = DIDmsg_dot11req_mibget;
+	memset(&mibitem, 0, sizeof(mibitem));
 	mibitem.did = DIDmib_p2_p2MAC_p2CurrentTxRate;
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result) {
 		err = -EFAULT;
@@ -822,9 +827,10 @@ static int p80211wext_giwrts(netdevice_t *dev,
 	int err = 0;
 
 	msg.msgcode = DIDmsg_dot11req_mibget;
+	memset(&mibitem, 0, sizeof(mibitem));
 	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold;
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result) {
 		err = -EFAULT;
@@ -857,6 +863,7 @@ static int p80211wext_siwrts(netdevice_t *dev,
 	}
 
 	msg.msgcode = DIDmsg_dot11req_mibget;
+	memset(&mibitem, 0, sizeof(mibitem));
 	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11RTSThreshold;
 	if (rts->disabled)
 		mibitem.data = 2347;
@@ -864,7 +871,7 @@ static int p80211wext_siwrts(netdevice_t *dev,
 		mibitem.data = rts->value;
 
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result) {
 		err = -EFAULT;
@@ -886,10 +893,11 @@ static int p80211wext_giwfrag(netdevice_t *dev,
 	int err = 0;
 
 	msg.msgcode = DIDmsg_dot11req_mibget;
+	memset(&mibitem, 0, sizeof(mibitem));
 	mibitem.did =
 	    DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold;
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result) {
 		err = -EFAULT;
@@ -922,6 +930,7 @@ static int p80211wext_siwfrag(netdevice_t *dev,
 	}
 
 	msg.msgcode = DIDmsg_dot11req_mibset;
+	memset(&mibitem, 0, sizeof(mibitem));
 	mibitem.did =
 	    DIDmib_dot11mac_dot11OperationTable_dot11FragmentationThreshold;
 
@@ -931,7 +940,7 @@ static int p80211wext_siwfrag(netdevice_t *dev,
 		mibitem.data = frag->value;
 
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result) {
 		err = -EFAULT;
@@ -962,10 +971,11 @@ static int p80211wext_giwretry(netdevice_t *dev,
 	u16 shortretry, longretry, lifetime;
 
 	msg.msgcode = DIDmsg_dot11req_mibget;
+	memset(&mibitem, 0, sizeof(mibitem));
 	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11ShortRetryLimit;
 
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result) {
 		err = -EFAULT;
@@ -979,7 +989,7 @@ static int p80211wext_giwretry(netdevice_t *dev,
 	mibitem.did = DIDmib_dot11mac_dot11OperationTable_dot11LongRetryLimit;
 
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result) {
 		err = -EFAULT;
@@ -994,7 +1004,7 @@ static int p80211wext_giwretry(netdevice_t *dev,
 	    DIDmib_dot11mac_dot11OperationTable_dot11MaxTransmitMSDULifetime;
 
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result) {
 		err = -EFAULT;
@@ -1037,6 +1047,8 @@ static int p80211wext_siwretry(netdevice_t *dev,
 	int result;
 	int err = 0;
 
+	memset(&mibitem, 0, sizeof(mibitem));
+
 	if (!wlan_wext_write) {
 		err = (-EOPNOTSUPP);
 		goto exit;
@@ -1055,7 +1067,7 @@ static int p80211wext_siwretry(netdevice_t *dev,
 		mibitem.data = rrq->value /= 1024;
 
 		memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-		result = p80211req_dorequest(wlandev, (u8 *) & msg);
+		result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 		if (result) {
 			err = -EFAULT;
@@ -1069,7 +1081,7 @@ static int p80211wext_siwretry(netdevice_t *dev,
 
 			memcpy(&msg.mibattribute.data, &mibitem,
 			       sizeof(mibitem));
-			result = p80211req_dorequest(wlandev, (u8 *) & msg);
+			result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 			if (result) {
 				err = -EFAULT;
@@ -1084,7 +1096,7 @@ static int p80211wext_siwretry(netdevice_t *dev,
 
 			memcpy(&msg.mibattribute.data, &mibitem,
 			       sizeof(mibitem));
-			result = p80211req_dorequest(wlandev, (u8 *) & msg);
+			result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 			if (result) {
 				err = -EFAULT;
@@ -1114,6 +1126,7 @@ static int p80211wext_siwtxpow(netdevice_t *dev,
 	}
 
 	msg.msgcode = DIDmsg_dot11req_mibset;
+	memset(&mibitem, 0, sizeof(mibitem));
 	mibitem.did =
 	    DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel;
 	if (rrq->fixed == 0)
@@ -1121,7 +1134,7 @@ static int p80211wext_siwtxpow(netdevice_t *dev,
 	else
 		mibitem.data = rrq->value;
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result) {
 		err = -EFAULT;
@@ -1143,11 +1156,13 @@ static int p80211wext_giwtxpow(netdevice_t *dev,
 	int err = 0;
 
 	msg.msgcode = DIDmsg_dot11req_mibget;
+
+	memset(&mibitem, 0, sizeof(mibitem));
 	mibitem.did =
 	    DIDmib_dot11phy_dot11PhyTxPowerTable_dot11CurrentTxPowerLevel;
 
 	memcpy(&msg.mibattribute.data, &mibitem, sizeof(mibitem));
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 
 	if (result) {
 		err = -EFAULT;
@@ -1295,7 +1310,7 @@ static int p80211wext_siwscan(netdevice_t *dev,
 	msg.maxchanneltime.data = 250;
 	msg.minchanneltime.data = 200;
 
-	result = p80211req_dorequest(wlandev, (u8 *) & msg);
+	result = p80211req_dorequest(wlandev, (u8 *) &msg);
 	if (result)
 		err = prism2_result2err(msg.resultcode.data);
 
@@ -1414,7 +1429,7 @@ static int p80211wext_giwscan(netdevice_t *dev,
 		msg.msgcode = DIDmsg_dot11req_scan_results;
 		msg.bssindex.data = i;
 
-		result = p80211req_dorequest(wlandev, (u8 *) & msg);
+		result = p80211req_dorequest(wlandev, (u8 *) &msg);
 		if ((result != 0) ||
 		    (msg.resultcode.data != P80211ENUM_resultcode_success)) {
 			break;
@@ -1489,7 +1504,7 @@ static int p80211wext_set_encodeext(struct net_device *dev,
 		memcpy(wlandev->wep_keys[idx], ext->key, ext->key_len);
 
 		memset(&msg, 0, sizeof(msg));
-		pstr = (p80211item_pstr32_t *) & msg.mibattribute.data;
+		pstr = (p80211item_pstr32_t *) &msg.mibattribute.data;
 		memcpy(pstr->data.data, ext->key, ext->key_len);
 		pstr->data.len = ext->key_len;
 		switch (idx) {
@@ -1513,7 +1528,7 @@ static int p80211wext_set_encodeext(struct net_device *dev,
 			break;
 		}
 		msg.msgcode = DIDmsg_dot11req_mibset;
-		result = p80211req_dorequest(wlandev, (u8 *) & msg);
+		result = p80211req_dorequest(wlandev, (u8 *) &msg);
 		pr_debug("result (%d)\n", result);
 	}
 	return result;
@@ -1729,15 +1744,11 @@ static iw_handler p80211wext_handlers[] = {
 
 struct iw_handler_def p80211wext_handler_def = {
 	.num_standard = ARRAY_SIZE(p80211wext_handlers),
-	.num_private = 0,
-	.num_private_args = 0,
 	.standard = p80211wext_handlers,
-	.private = NULL,
-	.private_args = NULL,
 	.get_wireless_stats = p80211wext_get_wireless_stats
 };
 
-int p80211wext_event_associated(wlandevice_t * wlandev, int assoc)
+int p80211wext_event_associated(wlandevice_t *wlandev, int assoc)
 {
 	union iwreq_data data;
 
diff --git a/drivers/staging/wlan-ng/prism2fw.c b/drivers/staging/wlan-ng/prism2fw.c
index aaa70ed57710..4be54cea6ad7 100644
--- a/drivers/staging/wlan-ng/prism2fw.c
+++ b/drivers/staging/wlan-ng/prism2fw.c
@@ -53,6 +53,7 @@
 /* Local Constants */
 
 #define PRISM2_USB_FWFILE	"prism2_ru.fw"
+MODULE_FIRMWARE(PRISM2_USB_FWFILE);
 
 #define S3DATA_MAX		5000
 #define S3PLUG_MAX		200
@@ -108,9 +109,9 @@ typedef struct pda {
 } pda_t;
 
 typedef struct imgchunk {
-	u32 addr;		/* start address */
-	u32 len;		/* in bytes */
-	u16 crc;		/* CRC value (if it falls at a chunk boundary) */
+	u32 addr;	/* start address */
+	u32 len;	/* in bytes */
+	u16 crc;	/* CRC value (if it falls at a chunk boundary) */
 	u8 *data;
 } imgchunk_t;
 
@@ -204,7 +205,7 @@ int prism2_fwtry(struct usb_device *udev, wlandevice_t *wlandev)
 		return 1;
 	}
 
-	printk(KERN_INFO "prism2_usb: %s will be processed, size %d\n",
+	printk(KERN_INFO "prism2_usb: %s will be processed, size %zu\n",
 	       PRISM2_USB_FWFILE, fw_entry->size);
 	prism2_fwapply((const struct ihex_binrec *)fw_entry->data, wlandev);
 
@@ -264,7 +265,7 @@ int prism2_fwapply(const struct ihex_binrec *rfptr, wlandevice_t *wlandev)
 	/* Build the PDA we're going to use. */
 	if (read_cardpda(&pda, wlandev)) {
 		printk(KERN_ERR "load_cardpda failed, exiting.\n");
-		return (1);
+		return 1;
 	}
 
 	/* read the card's PRI-SUP */
@@ -286,9 +287,8 @@ int prism2_fwapply(const struct ihex_binrec *rfptr, wlandevice_t *wlandev)
 
 	/* DIDmsg_dot11req_mibget */
 	prism2mgmt_mibset_mibget(wlandev, &getmsg);
-	if (getmsg.resultcode.data != P80211ENUM_resultcode_success) {
+	if (getmsg.resultcode.data != P80211ENUM_resultcode_success)
 		printk(KERN_ERR "Couldn't fetch PRI-SUP info\n");
-	}
 
 	/* Already in host order */
 	priid.role = *data++;
@@ -301,19 +301,19 @@ int prism2_fwapply(const struct ihex_binrec *rfptr, wlandevice_t *wlandev)
 	result = read_fwfile(rfptr);
 	if (result) {
 		printk(KERN_ERR "Failed to read the data exiting.\n");
-		return (1);
+		return 1;
 	}
 
 	result = validate_identity();
 
 	if (result) {
 		printk(KERN_ERR "Incompatible firmware image.\n");
-		return (1);
+		return 1;
 	}
 
 	if (startaddr == 0x00000000) {
 		printk(KERN_ERR "Can't RAM download a Flash image!\n");
-		return (1);
+		return 1;
 	}
 
 	/* Make the image chunks */
@@ -323,20 +323,20 @@ int prism2_fwapply(const struct ihex_binrec *rfptr, wlandevice_t *wlandev)
 	result = plugimage(fchunk, nfchunks, s3plug, ns3plug, &pda);
 	if (result) {
 		printk(KERN_ERR "Failed to plug data.\n");
-		return (1);
+		return 1;
 	}
 
 	/* Insert any CRCs */
 	if (crcimage(fchunk, nfchunks, s3crc, ns3crc)) {
 		printk(KERN_ERR "Failed to insert all CRCs\n");
-		return (1);
+		return 1;
 	}
 
 	/* Write the image */
 	result = writeimage(wlandev, fchunk, nfchunks);
 	if (result) {
 		printk(KERN_ERR "Failed to ramwrite image data.\n");
-		return (1);
+		return 1;
 	}
 
 	/* clear any allocated memory */
@@ -434,9 +434,8 @@ void free_chunks(imgchunk_t *fchunk, unsigned int *nfchunks)
 {
 	int i;
 	for (i = 0; i < *nfchunks; i++) {
-		if (fchunk[i].data != NULL) {
+		if (fchunk[i].data != NULL)
 			kfree(fchunk[i].data);
-		}
 	}
 	*nfchunks = 0;
 	memset(fchunk, 0, sizeof(*fchunk));
@@ -531,7 +530,7 @@ int mkimage(imgchunk_t *clist, unsigned int *ccnt)
 		if (clist[i].data == NULL) {
 			printk(KERN_ERR
 			       "failed to allocate image space, exitting.\n");
-			return (1);
+			return 1;
 		}
 		memset(clist[i].data, 0, clist[i].len);
 		pr_debug("chunk[%d]: addr=0x%06x len=%d\n",
@@ -545,15 +544,14 @@ int mkimage(imgchunk_t *clist, unsigned int *ccnt)
 		for (j = 0; j < *ccnt; j++) {
 			cstart = clist[j].addr;
 			cend = cstart + clist[j].len - 1;
-			if (s3start >= cstart && s3end <= cend) {
+			if (s3start >= cstart && s3end <= cend)
 				break;
-			}
 		}
 		if (((unsigned int)j) >= (*ccnt)) {
 			printk(KERN_ERR
 			       "s3rec(a=0x%06x,l=%d), no chunk match, exiting.\n",
 			       s3start, s3data[i].len);
-			return (1);
+			return 1;
 		}
 		coffset = s3start - cstart;
 		memcpy(clist[j].data + coffset, s3data[i].data, s3data[i].len);
@@ -586,7 +584,7 @@ int mkpdrlist(pda_t *pda)
 	curroff = 0;
 	while (curroff < (HFA384x_PDA_LEN_MAX / 2) &&
 	       le16_to_cpu(pda16[curroff + 1]) != HFA384x_PDR_END_OF_PDA) {
-		pda->rec[pda->nrec] = (hfa384x_pdrec_t *) & (pda16[curroff]);
+		pda->rec[pda->nrec] = (hfa384x_pdrec_t *) &(pda16[curroff]);
 
 		if (le16_to_cpu(pda->rec[pda->nrec]->code) == HFA384x_PDR_NICID) {
 			memcpy(&nicid, &pda->rec[pda->nrec]->data.nicid,
@@ -623,10 +621,10 @@ int mkpdrlist(pda_t *pda)
 		printk(KERN_ERR
 		       "no end record found or invalid lengths in "
 		       "PDR data, exiting. %x %d\n", curroff, pda->nrec);
-		return (1);
+		return 1;
 	}
 	if (le16_to_cpu(pda16[curroff + 1]) == HFA384x_PDR_END_OF_PDA) {
-		pda->rec[pda->nrec] = (hfa384x_pdrec_t *) & (pda16[curroff]);
+		pda->rec[pda->nrec] = (hfa384x_pdrec_t *) &(pda16[curroff]);
 		(pda->nrec)++;
 	}
 	return result;
@@ -869,7 +867,7 @@ int read_fwfile(const struct ihex_binrec *record)
 		ptr16 = (u16 *) record->data;
 
 		/* parse what was an S3 srec and put it in the right array */
-		switch(addr) {
+		switch (addr) {
 		case S3ADDR_START:
 			startaddr = *ptr32;
 			pr_debug("  S7 start addr, record=%d "
@@ -890,7 +888,7 @@ int read_fwfile(const struct ihex_binrec *record)
 				      s3plug[ns3plug].len);
 
 			ns3plug++;
-			if ( ns3plug == S3PLUG_MAX ) {
+			if (ns3plug == S3PLUG_MAX) {
 				printk(KERN_ERR "S3 plugrec limit reached - aborting\n");
 				return 1;
 			}
@@ -907,7 +905,7 @@ int read_fwfile(const struct ihex_binrec *record)
 				      s3crc[ns3crc].len,
 				      s3crc[ns3crc].dowrite);
 			ns3crc++;
-			if ( ns3crc == S3CRC_MAX ) {
+			if (ns3crc == S3CRC_MAX) {
 				printk(KERN_ERR "S3 crcrec limit reached - aborting\n");
 				return 1;
 			}
@@ -921,12 +919,12 @@ int read_fwfile(const struct ihex_binrec *record)
 				      rcnt,
 				      s3info[ns3info].len,
 				      s3info[ns3info].type);
-			if ( ((s3info[ns3info].len - 1) * sizeof(u16)) > sizeof(s3info[ns3info].info) ) {
+			if (((s3info[ns3info].len - 1) * sizeof(u16)) > sizeof(s3info[ns3info].info)) {
 				printk(KERN_ERR " S3 inforec length too long - aborting\n");
 				return 1;
 			}
 
-			tmpinfo = (u16*)&(s3info[ns3info].info.version);
+			tmpinfo = (u16 *)&(s3info[ns3info].info.version);
 			pr_debug("            info=");
 			for (i = 0; i < s3info[ns3info].len - 1; i++) {
 				tmpinfo[i] = *(ptr16 + 2 + i);
@@ -935,7 +933,7 @@ int read_fwfile(const struct ihex_binrec *record)
 			pr_debug("\n");
 
 			ns3info++;
-			if ( ns3info == S3INFO_MAX ) {
+			if (ns3info == S3INFO_MAX) {
 				printk(KERN_ERR "S3 inforec limit reached - aborting\n");
 				return 1;
 			}
@@ -945,7 +943,7 @@ int read_fwfile(const struct ihex_binrec *record)
 			s3data[ns3data].len = len;
 			s3data[ns3data].data = (uint8_t *) record->data;
 			ns3data++;
-			if ( ns3data == S3DATA_MAX ) {
+			if (ns3data == S3DATA_MAX) {
 				printk(KERN_ERR "S3 datarec limit reached - aborting\n");
 				return 1;
 			}
@@ -1023,7 +1021,7 @@ int writeimage(wlandevice_t *wlandev, imgchunk_t *fchunk,
 	rstatemsg.enable.data = P80211ENUM_truth_true;
 	rstatemsg.exeaddr.data = startaddr;
 
-	msgp = (p80211msg_t *) & rstatemsg;
+	msgp = (p80211msg_t *) &rstatemsg;
 	result = prism2mgmt_ramdl_state(wlandev, msgp);
 	if (result) {
 		printk(KERN_ERR
@@ -1063,7 +1061,7 @@ int writeimage(wlandevice_t *wlandev, imgchunk_t *fchunk,
 			    ("Sending xxxdl_write message addr=%06x len=%d.\n",
 			     currdaddr, currlen);
 
-			msgp = (p80211msg_t *) & rwritemsg;
+			msgp = (p80211msg_t *) &rwritemsg;
 			result = prism2mgmt_ramdl_write(wlandev, msgp);
 
 			/* Check the results */
@@ -1090,7 +1088,7 @@ int writeimage(wlandevice_t *wlandev, imgchunk_t *fchunk,
 	rstatemsg.enable.data = P80211ENUM_truth_false;
 	rstatemsg.exeaddr.data = 0;
 
-	msgp = (p80211msg_t *) & rstatemsg;
+	msgp = (p80211msg_t *) &rstatemsg;
 	result = prism2mgmt_ramdl_state(wlandev, msgp);
 	if (result) {
 		printk(KERN_ERR
@@ -1161,7 +1159,7 @@ int validate_identity(void)
 			/* SEC compat range */
 			if ((s3info[i].info.compat.role == 1) &&
 			    (s3info[i].info.compat.id == 4)) {
-
+				/* FIXME: isn't something missing here? */
 			}
 
 			break;
@@ -1196,8 +1194,9 @@ int validate_identity(void)
 			pr_debug("Unknown inforec type %d\n", s3info[i].type);
 		}
 	}
-	// walk through
+	/* walk through */
 
-	if (trump && (result != 2)) result = 0;
+	if (trump && (result != 2))
+		result = 0;
 	return result;
 }
diff --git a/drivers/staging/wlan-ng/prism2mgmt.c b/drivers/staging/wlan-ng/prism2mgmt.c
index 9f7d96cae8e3..ad163da72ae4 100644
--- a/drivers/staging/wlan-ng/prism2mgmt.c
+++ b/drivers/staging/wlan-ng/prism2mgmt.c
@@ -67,7 +67,7 @@
 #include <linux/wireless.h>
 #include <linux/netdevice.h>
 #include <linux/delay.h>
-#include <asm/io.h>
+#include <linux/io.h>
 #include <asm/byteorder.h>
 #include <linux/random.h>
 #include <linux/usb.h>
@@ -541,7 +541,7 @@ int prism2mgmt_start(wlandevice_t *wlandev, void *msgp)
 	/*** STATION ***/
 	/* Set the REQUIRED config items */
 	/* SSID */
-	pstr = (p80211pstrd_t *) & (msg->ssid.data);
+	pstr = (p80211pstrd_t *) &(msg->ssid.data);
 	prism2mgmt_pstr2bytestr(p2bytestr, pstr);
 	result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFOWNSSID,
 					bytebuf, HFA384x_RID_CNFOWNSSID_LEN);
@@ -1034,7 +1034,7 @@ int prism2mgmt_autojoin(wlandevice_t *wlandev, void *msgp)
 
 	/* Set the ssid */
 	memset(bytebuf, 0, 256);
-	pstr = (p80211pstrd_t *) & (msg->ssid.data);
+	pstr = (p80211pstrd_t *) &(msg->ssid.data);
 	prism2mgmt_pstr2bytestr(p2bytestr, pstr);
 	result = hfa384x_drvr_setconfig(hw, HFA384x_RID_CNFDESIREDSSID,
 					bytebuf,
@@ -1123,8 +1123,8 @@ int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp)
 		if (hw->presniff_port_type != 0) {
 			word = hw->presniff_port_type;
 			result = hfa384x_drvr_setconfig16(hw,
-							  HFA384x_RID_CNFPORTTYPE,
-							  word);
+						  HFA384x_RID_CNFPORTTYPE,
+						  word);
 			if (result) {
 				pr_debug
 				    ("failed to restore porttype, result=%d\n",
@@ -1156,10 +1156,8 @@ int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp)
 			if (wlandev->netdev->type == ARPHRD_ETHER) {
 				/* Save macport 0 state */
 				result = hfa384x_drvr_getconfig16(hw,
-								  HFA384x_RID_CNFPORTTYPE,
-								  &
-								  (hw->
-								   presniff_port_type));
+						  HFA384x_RID_CNFPORTTYPE,
+						  &(hw->presniff_port_type));
 				if (result) {
 					pr_debug
 					    ("failed to read porttype, result=%d\n",
@@ -1168,10 +1166,8 @@ int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp)
 				}
 				/* Save the wepflags state */
 				result = hfa384x_drvr_getconfig16(hw,
-								  HFA384x_RID_CNFWEPFLAGS,
-								  &
-								  (hw->
-								   presniff_wepflags));
+						  HFA384x_RID_CNFWEPFLAGS,
+						  &(hw->presniff_wepflags));
 				if (result) {
 					pr_debug
 					    ("failed to read wepflags, result=%d\n",
@@ -1218,8 +1214,8 @@ int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp)
 			/* Set the port type to pIbss */
 			word = HFA384x_PORTTYPE_PSUEDOIBSS;
 			result = hfa384x_drvr_setconfig16(hw,
-							  HFA384x_RID_CNFPORTTYPE,
-							  word);
+						  HFA384x_RID_CNFPORTTYPE,
+						  word);
 			if (result) {
 				pr_debug
 				    ("failed to set porttype %d, result=%d\n",
@@ -1235,8 +1231,8 @@ int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp)
 				    HFA384x_WEPFLAGS_DISABLE_RXCRYPT;
 				result =
 				    hfa384x_drvr_setconfig16(hw,
-							     HFA384x_RID_CNFWEPFLAGS,
-							     word);
+						     HFA384x_RID_CNFWEPFLAGS,
+						     word);
 			}
 
 			if (result) {
diff --git a/drivers/staging/wlan-ng/prism2mgmt.h b/drivers/staging/wlan-ng/prism2mgmt.h
index bdf2b3e03253..07eecebeb6cc 100644
--- a/drivers/staging/wlan-ng/prism2mgmt.h
+++ b/drivers/staging/wlan-ng/prism2mgmt.h
@@ -63,43 +63,43 @@
 extern int prism2_reset_holdtime;
 extern int prism2_reset_settletime;
 
-u32 prism2sta_ifstate(wlandevice_t * wlandev, u32 ifstate);
+u32 prism2sta_ifstate(wlandevice_t *wlandev, u32 ifstate);
 
-void prism2sta_ev_info(wlandevice_t * wlandev, hfa384x_InfFrame_t * inf);
-void prism2sta_ev_txexc(wlandevice_t * wlandev, u16 status);
-void prism2sta_ev_tx(wlandevice_t * wlandev, u16 status);
-void prism2sta_ev_rx(wlandevice_t * wlandev, struct sk_buff *skb);
-void prism2sta_ev_alloc(wlandevice_t * wlandev);
+void prism2sta_ev_info(wlandevice_t *wlandev, hfa384x_InfFrame_t *inf);
+void prism2sta_ev_txexc(wlandevice_t *wlandev, u16 status);
+void prism2sta_ev_tx(wlandevice_t *wlandev, u16 status);
+void prism2sta_ev_rx(wlandevice_t *wlandev, struct sk_buff *skb);
+void prism2sta_ev_alloc(wlandevice_t *wlandev);
 
-int prism2mgmt_mibset_mibget(wlandevice_t * wlandev, void *msgp);
-int prism2mgmt_scan(wlandevice_t * wlandev, void *msgp);
-int prism2mgmt_scan_results(wlandevice_t * wlandev, void *msgp);
-int prism2mgmt_start(wlandevice_t * wlandev, void *msgp);
-int prism2mgmt_wlansniff(wlandevice_t * wlandev, void *msgp);
-int prism2mgmt_readpda(wlandevice_t * wlandev, void *msgp);
-int prism2mgmt_ramdl_state(wlandevice_t * wlandev, void *msgp);
-int prism2mgmt_ramdl_write(wlandevice_t * wlandev, void *msgp);
-int prism2mgmt_flashdl_state(wlandevice_t * wlandev, void *msgp);
-int prism2mgmt_flashdl_write(wlandevice_t * wlandev, void *msgp);
-int prism2mgmt_autojoin(wlandevice_t * wlandev, void *msgp);
+int prism2mgmt_mibset_mibget(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_scan(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_start(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_wlansniff(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_readpda(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_ramdl_state(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_ramdl_write(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_flashdl_state(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_flashdl_write(wlandevice_t *wlandev, void *msgp);
+int prism2mgmt_autojoin(wlandevice_t *wlandev, void *msgp);
 
 /*---------------------------------------------------------------
 * conversion functions going between wlan message data types and
 * Prism2 data types
 ---------------------------------------------------------------*/
 /* byte area conversion functions*/
-void prism2mgmt_pstr2bytearea(u8 * bytearea, p80211pstrd_t * pstr);
-void prism2mgmt_bytearea2pstr(u8 * bytearea, p80211pstrd_t * pstr, int len);
+void prism2mgmt_pstr2bytearea(u8 *bytearea, p80211pstrd_t *pstr);
+void prism2mgmt_bytearea2pstr(u8 *bytearea, p80211pstrd_t *pstr, int len);
 
 /* byte string conversion functions*/
-void prism2mgmt_pstr2bytestr(hfa384x_bytestr_t * bytestr, p80211pstrd_t * pstr);
-void prism2mgmt_bytestr2pstr(hfa384x_bytestr_t * bytestr, p80211pstrd_t * pstr);
+void prism2mgmt_pstr2bytestr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr);
+void prism2mgmt_bytestr2pstr(hfa384x_bytestr_t *bytestr, p80211pstrd_t *pstr);
 
 /* functions to convert Group Addresses */
-void prism2mgmt_get_grpaddr(u32 did, p80211pstrd_t * pstr, hfa384x_t * priv);
+void prism2mgmt_get_grpaddr(u32 did, p80211pstrd_t *pstr, hfa384x_t *priv);
 int prism2mgmt_set_grpaddr(u32 did,
-			   u8 * prism2buf, p80211pstrd_t * pstr,
-			   hfa384x_t * priv);
+			   u8 *prism2buf, p80211pstrd_t *pstr,
+			   hfa384x_t *priv);
 int prism2mgmt_get_grpaddr_index(u32 did);
 
 void prism2sta_processing_defer(struct work_struct *data);
diff --git a/drivers/staging/wlan-ng/prism2mib.c b/drivers/staging/wlan-ng/prism2mib.c
index 2fff0a110bcb..98a5d58c3f55 100644
--- a/drivers/staging/wlan-ng/prism2mib.c
+++ b/drivers/staging/wlan-ng/prism2mib.c
@@ -114,7 +114,7 @@ static int prism2mib_flag(mibrec_t *mib,
 
 static int prism2mib_wepdefaultkey(mibrec_t *mib,
 				   int isget,
-				   wlandevice_t * wlandev,
+				   wlandevice_t *wlandev,
 				   hfa384x_t *hw,
 				   p80211msg_dot11req_mibset_t *msg,
 				   void *data);
@@ -726,7 +726,7 @@ static int prism2mib_priv(mibrec_t *mib,
 			if (isget) {
 				hfa384x_drvr_getconfig(hw,
 						       HFA384x_RID_CNFWPADATA,
-						       (u8 *) & wpa,
+						       (u8 *) &wpa,
 						       sizeof(wpa));
 				pstr->len = le16_to_cpu(wpa.datalen);
 				memcpy(pstr->data, wpa.data, pstr->len);
@@ -736,9 +736,9 @@ static int prism2mib_priv(mibrec_t *mib,
 
 				result =
 				    hfa384x_drvr_setconfig(hw,
-							   HFA384x_RID_CNFWPADATA,
-							   (u8 *) & wpa,
-							   sizeof(wpa));
+						   HFA384x_RID_CNFWPADATA,
+						   (u8 *) &wpa,
+						   sizeof(wpa));
 			}
 			break;
 		}
diff --git a/drivers/staging/wlan-ng/prism2sta.c b/drivers/staging/wlan-ng/prism2sta.c
index 50f301d65212..31ac8da39c81 100644
--- a/drivers/staging/wlan-ng/prism2sta.c
+++ b/drivers/staging/wlan-ng/prism2sta.c
@@ -64,7 +64,7 @@
 #include <linux/byteorder/generic.h>
 #include <linux/ctype.h>
 
-#include <asm/io.h>
+#include <linux/io.h>
 #include <linux/delay.h>
 #include <asm/byteorder.h>
 #include <linux/if_arp.h>
@@ -1023,13 +1023,13 @@ static void prism2sta_inf_tallies(wlandevice_t *wlandev,
 
 	cnt = sizeof(hfa384x_CommTallies32_t) / sizeof(u32);
 	if (inf->framelen > 22) {
-		dst = (u32 *) & hw->tallies;
-		src32 = (u32 *) & inf->info.commtallies32;
+		dst = (u32 *) &hw->tallies;
+		src32 = (u32 *) &inf->info.commtallies32;
 		for (i = 0; i < cnt; i++, dst++, src32++)
 			*dst += le32_to_cpu(*src32);
 	} else {
-		dst = (u32 *) & hw->tallies;
-		src16 = (u16 *) & inf->info.commtallies16;
+		dst = (u32 *) &hw->tallies;
+		src16 = (u16 *) &inf->info.commtallies16;
 		for (i = 0; i < cnt; i++, dst++, src16++)
 			*dst += le16_to_cpu(*src16);
 	}
@@ -1280,7 +1280,7 @@ void prism2sta_processing_defer(struct work_struct *data)
 				     HFA384x_RID_CURRENTSSID, result);
 				goto failed;
 			}
-			prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) & ssid,
+			prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) &ssid,
 						(p80211pstrd_t *) &
 						wlandev->ssid);
 
@@ -1368,8 +1368,8 @@ void prism2sta_processing_defer(struct work_struct *data)
 				 HFA384x_RID_CURRENTSSID, result);
 			goto failed;
 		}
-		prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) & ssid,
-					(p80211pstrd_t *) & wlandev->ssid);
+		prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) &ssid,
+					(p80211pstrd_t *) &wlandev->ssid);
 
 		hw->link_status = HFA384x_LINK_CONNECTED;
 		netif_carrier_on(wlandev->netdev);
@@ -2028,8 +2028,8 @@ void prism2sta_commsqual_defer(struct work_struct *data)
 			 HFA384x_RID_CURRENTSSID, result);
 		goto done;
 	}
-	prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) & ssid,
-				(p80211pstrd_t *) & wlandev->ssid);
+	prism2mgmt_bytestr2pstr((hfa384x_bytestr_t *) &ssid,
+				(p80211pstrd_t *) &wlandev->ssid);
 
 	/* Reschedule timer */
 	mod_timer(&hw->commsqual_timer, jiffies + HZ);
diff --git a/drivers/staging/wlan-ng/prism2usb.c b/drivers/staging/wlan-ng/prism2usb.c
index 9dde68be8d74..501d27f74c7d 100644
--- a/drivers/staging/wlan-ng/prism2usb.c
+++ b/drivers/staging/wlan-ng/prism2usb.c
@@ -24,8 +24,9 @@ static struct usb_device_id usb_prism_tbl[] = {
 	 (0x066b, 0x2213, "Linksys WUSB12v1.1 11Mbps WLAN USB Adapter")},
 	{PRISM_USB_DEVICE
 	 (0x067c, 0x1022, "Siemens SpeedStream 1022 11Mbps WLAN USB Adapter")},
-	{PRISM_USB_DEVICE(0x049f, 0x0033,
-			  "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter")},
+	{PRISM_USB_DEVICE
+	 (0x049f, 0x0033,
+	 "Compaq/Intel W100 PRO/Wireless 11Mbps multiport WLAN Adapter")},
 	{PRISM_USB_DEVICE
 	 (0x0411, 0x0016, "Melco WLI-USB-S11 11Mbps WLAN Adapter")},
 	{PRISM_USB_DEVICE
@@ -55,7 +56,6 @@ static struct usb_device_id usb_prism_tbl[] = {
 	 (0x04f1, 0x3009, "JVC MP-XP7250 Builtin USB WLAN Adapter")},
 	{PRISM_USB_DEVICE(0x0846, 0x4110, "NetGear MA111")},
 	{PRISM_USB_DEVICE(0x03f3, 0x0020, "Adaptec AWN-8020 USB WLAN Adapter")},
-/*      {PRISM_USB_DEVICE(0x0ace, 0x1201, "ZyDAS ZD1201 Wireless USB Adapter")}, */
 	{PRISM_USB_DEVICE(0x2821, 0x3300, "ASUS-WL140 Wireless USB Adapter")},
 	{PRISM_USB_DEVICE(0x2001, 0x3700, "DWL-122 Wireless USB Adapter")},
 	{PRISM_USB_DEVICE
diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig
index 8aa1955f35ed..1da73ecd9799 100644
--- a/drivers/uio/Kconfig
+++ b/drivers/uio/Kconfig
@@ -44,17 +44,6 @@ config UIO_PDRV_GENIRQ
 
 	  If you don't know what to do here, say N.
 
-config UIO_SMX
-	tristate "SMX cryptengine UIO interface"
-	help
-	  Userspace IO interface to the Cryptography engine found on the
-	  Nias Digital SMX boards.  These will be available from Q4 2008
-	  from http://www.niasdigital.com.  The userspace part of this
-	  driver will be released under the GPL at the same time as the
-	  hardware and will be able to be downloaded from the same site.
-
-	  If you compile this as a module, it will be called uio_smx.
-
 config UIO_AEC
 	tristate "AEC video timestamp device"
 	depends on PCI
@@ -74,6 +63,7 @@ config UIO_AEC
 
 config UIO_SERCOS3
 	tristate "Automata Sercos III PCI card driver"
+	depends on PCI
 	help
 	  Userspace I/O interface for the Sercos III PCI card from
 	  Automata GmbH. The userspace part of this driver will be
@@ -87,11 +77,21 @@ config UIO_SERCOS3
 config UIO_PCI_GENERIC
 	tristate "Generic driver for PCI 2.3 and PCI Express cards"
 	depends on PCI
-	default n
 	help
 	  Generic driver that you can bind, dynamically, to any
 	  PCI 2.3 compliant and PCI Express card. It is useful,
 	  primarily, for virtualization scenarios.
 	  If you compile this as a module, it will be called uio_pci_generic.
 
+config UIO_NETX
+	tristate "Hilscher NetX Card driver"
+	depends on PCI
+	help
+	  Driver for Hilscher NetX based fieldbus cards (cifX, comX).
+	  This driver requires a userspace component that comes with the card
+	  or is available from Hilscher (http://www.hilscher.com).
+
+	  To compile this driver as a module, choose M here; the module
+	  will be called uio_netx.
+
 endif
diff --git a/drivers/uio/Makefile b/drivers/uio/Makefile
index 73b2e7516729..18fd818c5b97 100644
--- a/drivers/uio/Makefile
+++ b/drivers/uio/Makefile
@@ -2,7 +2,7 @@ obj-$(CONFIG_UIO)	+= uio.o
 obj-$(CONFIG_UIO_CIF)	+= uio_cif.o
 obj-$(CONFIG_UIO_PDRV)	+= uio_pdrv.o
 obj-$(CONFIG_UIO_PDRV_GENIRQ)	+= uio_pdrv_genirq.o
-obj-$(CONFIG_UIO_SMX)	+= uio_smx.o
 obj-$(CONFIG_UIO_AEC)	+= uio_aec.o
 obj-$(CONFIG_UIO_SERCOS3)	+= uio_sercos3.o
 obj-$(CONFIG_UIO_PCI_GENERIC)	+= uio_pci_generic.o
+obj-$(CONFIG_UIO_NETX)	+= uio_netx.o
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index e941367dd28f..4de382acd8f2 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -129,7 +129,7 @@ static ssize_t map_type_show(struct kobject *kobj, struct attribute *attr,
 	return entry->show(mem, buf);
 }
 
-static struct sysfs_ops map_sysfs_ops = {
+static const struct sysfs_ops map_sysfs_ops = {
 	.show = map_type_show,
 };
 
@@ -217,7 +217,7 @@ static ssize_t portio_type_show(struct kobject *kobj, struct attribute *attr,
 	return entry->show(port, buf);
 }
 
-static struct sysfs_ops portio_sysfs_ops = {
+static const struct sysfs_ops portio_sysfs_ops = {
 	.show = portio_type_show,
 };
 
diff --git a/drivers/uio/uio_netx.c b/drivers/uio/uio_netx.c
new file mode 100644
index 000000000000..afbf0bd55cc9
--- /dev/null
+++ b/drivers/uio/uio_netx.c
@@ -0,0 +1,172 @@
+/*
+ * UIO driver for Hilscher NetX based fieldbus cards (cifX, comX).
+ * See http://www.hilscher.com for details.
+ *
+ * (C) 2007 Hans J. Koch <hjk@linutronix.de>
+ * (C) 2008 Manuel Traut <manut@linutronix.de>
+ *
+ * Licensed under GPL version 2 only.
+ *
+ */
+
+#include <linux/device.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/uio_driver.h>
+
+#define PCI_VENDOR_ID_HILSCHER		0x15CF
+#define PCI_DEVICE_ID_HILSCHER_NETX	0x0000
+#define PCI_SUBDEVICE_ID_NXSB_PCA	0x3235
+#define PCI_SUBDEVICE_ID_NXPCA		0x3335
+
+#define DPM_HOST_INT_EN0	0xfff0
+#define DPM_HOST_INT_STAT0	0xffe0
+
+#define DPM_HOST_INT_MASK	0xe600ffff
+#define DPM_HOST_INT_GLOBAL_EN	0x80000000
+
+static irqreturn_t netx_handler(int irq, struct uio_info *dev_info)
+{
+	void __iomem *int_enable_reg = dev_info->mem[0].internal_addr
+					+ DPM_HOST_INT_EN0;
+	void __iomem *int_status_reg = dev_info->mem[0].internal_addr
+					+ DPM_HOST_INT_STAT0;
+
+	/* Is one of our interrupts enabled and active ? */
+	if (!(ioread32(int_enable_reg) & ioread32(int_status_reg)
+		& DPM_HOST_INT_MASK))
+		return IRQ_NONE;
+
+	/* Disable interrupt */
+	iowrite32(ioread32(int_enable_reg) & ~DPM_HOST_INT_GLOBAL_EN,
+		int_enable_reg);
+	return IRQ_HANDLED;
+}
+
+static int __devinit netx_pci_probe(struct pci_dev *dev,
+					const struct pci_device_id *id)
+{
+	struct uio_info *info;
+	int bar;
+
+	info = kzalloc(sizeof(struct uio_info), GFP_KERNEL);
+	if (!info)
+		return -ENOMEM;
+
+	if (pci_enable_device(dev))
+		goto out_free;
+
+	if (pci_request_regions(dev, "netx"))
+		goto out_disable;
+
+	switch (id->device) {
+	case PCI_DEVICE_ID_HILSCHER_NETX:
+		bar = 0;
+		info->name = "netx";
+		break;
+	default:
+		bar = 2;
+		info->name = "netx_plx";
+	}
+
+	/* BAR0 or 2 points to the card's dual port memory */
+	info->mem[0].addr = pci_resource_start(dev, bar);
+	if (!info->mem[0].addr)
+		goto out_release;
+	info->mem[0].internal_addr = ioremap(pci_resource_start(dev, bar),
+						pci_resource_len(dev, bar));
+
+	if (!info->mem[0].internal_addr)
+			goto out_release;
+
+	info->mem[0].size = pci_resource_len(dev, bar);
+	info->mem[0].memtype = UIO_MEM_PHYS;
+	info->irq = dev->irq;
+	info->irq_flags = IRQF_SHARED;
+	info->handler = netx_handler;
+	info->version = "0.0.1";
+
+	/* Make sure all interrupts are disabled */
+	iowrite32(0, info->mem[0].internal_addr + DPM_HOST_INT_EN0);
+
+	if (uio_register_device(&dev->dev, info))
+		goto out_unmap;
+
+	pci_set_drvdata(dev, info);
+	dev_info(&dev->dev, "Found %s card, registered UIO device.\n",
+				info->name);
+
+	return 0;
+
+out_unmap:
+	iounmap(info->mem[0].internal_addr);
+out_release:
+	pci_release_regions(dev);
+out_disable:
+	pci_disable_device(dev);
+out_free:
+	kfree(info);
+	return -ENODEV;
+}
+
+static void netx_pci_remove(struct pci_dev *dev)
+{
+	struct uio_info *info = pci_get_drvdata(dev);
+
+	/* Disable all interrupts */
+	iowrite32(0, info->mem[0].internal_addr + DPM_HOST_INT_EN0);
+	uio_unregister_device(info);
+	pci_release_regions(dev);
+	pci_disable_device(dev);
+	pci_set_drvdata(dev, NULL);
+	iounmap(info->mem[0].internal_addr);
+
+	kfree(info);
+}
+
+static struct pci_device_id netx_pci_ids[] = {
+	{
+		.vendor =	PCI_VENDOR_ID_HILSCHER,
+		.device =	PCI_DEVICE_ID_HILSCHER_NETX,
+		.subvendor =	0,
+		.subdevice =	0,
+	},
+	{
+		.vendor =	PCI_VENDOR_ID_PLX,
+		.device =	PCI_DEVICE_ID_PLX_9030,
+		.subvendor =	PCI_VENDOR_ID_PLX,
+		.subdevice =	PCI_SUBDEVICE_ID_NXSB_PCA,
+	},
+	{
+		.vendor =	PCI_VENDOR_ID_PLX,
+		.device =	PCI_DEVICE_ID_PLX_9030,
+		.subvendor =	PCI_VENDOR_ID_PLX,
+		.subdevice =	PCI_SUBDEVICE_ID_NXPCA,
+	},
+	{ 0, }
+};
+
+static struct pci_driver netx_pci_driver = {
+	.name = "netx",
+	.id_table = netx_pci_ids,
+	.probe = netx_pci_probe,
+	.remove = netx_pci_remove,
+};
+
+static int __init netx_init_module(void)
+{
+	return pci_register_driver(&netx_pci_driver);
+}
+
+static void __exit netx_exit_module(void)
+{
+	pci_unregister_driver(&netx_pci_driver);
+}
+
+module_init(netx_init_module);
+module_exit(netx_exit_module);
+
+MODULE_DEVICE_TABLE(pci, netx_pci_ids);
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Hans J. Koch, Manuel Traut");
diff --git a/drivers/uio/uio_smx.c b/drivers/uio/uio_smx.c
deleted file mode 100644
index 44054a650a8a..000000000000
--- a/drivers/uio/uio_smx.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * UIO SMX Cryptengine driver.
- *
- * (C) 2008 Nias Digital P/L <bn@niasdigital.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- */
-
-#include <linux/device.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/uio_driver.h>
-#include <linux/io.h>
-
-#define DRV_NAME "smx-ce"
-#define DRV_VERSION "0.03"
-
-#define SMX_CSR  0x00000000
-#define SMX_EnD  0x00000001
-#define SMX_RUN  0x00000002
-#define SMX_DRDY 0x00000004
-#define SMX_ERR  0x00000008
-
-static irqreturn_t smx_handler(int irq, struct uio_info *dev_info)
-{
-	void __iomem *csr = dev_info->mem[0].internal_addr + SMX_CSR;
-
-	u32 status = ioread32(csr);
-
-	if (!(status & SMX_DRDY))
-		return IRQ_NONE;
-
-	/* Disable interrupt */
-	iowrite32(status & ~SMX_DRDY, csr);
-	return IRQ_HANDLED;
-}
-
-static int __devinit smx_ce_probe(struct platform_device *dev)
-{
-
-	int ret = -ENODEV;
-	struct uio_info *info;
-	struct resource *regs;
-
-	info = kzalloc(sizeof(struct uio_info), GFP_KERNEL);
-	if (!info)
-		return -ENOMEM;
-
-	regs = platform_get_resource(dev, IORESOURCE_MEM, 0);
-	if (!regs) {
-		dev_err(&dev->dev, "No memory resource specified\n");
-		goto out_free;
-	}
-
-	info->mem[0].addr = regs->start;
-	if (!info->mem[0].addr) {
-		dev_err(&dev->dev, "Invalid memory resource\n");
-		goto out_free;
-	}
-
-	info->mem[0].size = regs->end - regs->start + 1;
-	info->mem[0].internal_addr = ioremap(regs->start, info->mem[0].size);
-
-	if (!info->mem[0].internal_addr) {
-		dev_err(&dev->dev, "Can't remap memory address range\n");
-		goto out_free;
-	}
-
-	info->mem[0].memtype = UIO_MEM_PHYS;
-
-	info->name = "smx-ce";
-	info->version = "0.03";
-
-	info->irq = platform_get_irq(dev, 0);
-	if (info->irq < 0) {
-		ret = info->irq;
-		dev_err(&dev->dev, "No (or invalid) IRQ resource specified\n");
-		goto out_unmap;
-	}
-
-	info->irq_flags = IRQF_SHARED;
-	info->handler = smx_handler;
-
-	platform_set_drvdata(dev, info);
-
-	ret = uio_register_device(&dev->dev, info);
-
-	if (ret)
-		goto out_unmap;
-
-	return 0;
-
-out_unmap:
-	iounmap(info->mem[0].internal_addr);
-out_free:
-	kfree(info);
-
-	return ret;
-}
-
-static int __devexit smx_ce_remove(struct platform_device *dev)
-{
-	struct uio_info *info = platform_get_drvdata(dev);
-
-	uio_unregister_device(info);
-	platform_set_drvdata(dev, NULL);
-	iounmap(info->mem[0].internal_addr);
-
-	kfree(info);
-
-	return 0;
-}
-
-static struct platform_driver smx_ce_driver = {
-	.probe		= smx_ce_probe,
-	.remove		= __devexit_p(smx_ce_remove),
-	.driver		= {
-		.name	= DRV_NAME,
-		.owner	= THIS_MODULE,
-	},
-};
-
-static int __init smx_ce_init_module(void)
-{
-	return platform_driver_register(&smx_ce_driver);
-}
-module_init(smx_ce_init_module);
-
-static void __exit smx_ce_exit_module(void)
-{
-	platform_driver_unregister(&smx_ce_driver);
-}
-module_exit(smx_ce_exit_module);
-
-MODULE_LICENSE("GPL v2");
-MODULE_VERSION(DRV_VERSION);
-MODULE_AUTHOR("Ben Nizette <bn@niasdigital.com>");
diff --git a/drivers/usb/Kconfig b/drivers/usb/Kconfig
index 4f5bb5698f5d..6a58cb1330c1 100644
--- a/drivers/usb/Kconfig
+++ b/drivers/usb/Kconfig
@@ -21,6 +21,7 @@ config USB_ARCH_HAS_HCD
 	default y if USB_ARCH_HAS_EHCI
 	default y if PCMCIA && !M32R			# sl811_cs
 	default y if ARM				# SL-811
+	default y if BLACKFIN				# SL-811
 	default y if SUPERH				# r8a66597-hcd
 	default PCI
 
@@ -39,6 +40,7 @@ config USB_ARCH_HAS_OHCI
 	default y if ARCH_PNX4008 && I2C
 	default y if MFD_TC6393XB
 	default y if ARCH_W90X900
+	default y if ARCH_DAVINCI_DA8XX
 	# PPC:
 	default y if STB03xxx
 	default y if PPC_MPC52xx
diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile
index be3c9b80bc9f..80b4008c89ba 100644
--- a/drivers/usb/Makefile
+++ b/drivers/usb/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_USB_U132_HCD)	+= host/
 obj-$(CONFIG_USB_R8A66597_HCD)	+= host/
 obj-$(CONFIG_USB_HWA_HCD)	+= host/
 obj-$(CONFIG_USB_ISP1760_HCD)	+= host/
+obj-$(CONFIG_USB_IMX21_HCD)	+= host/
 
 obj-$(CONFIG_USB_C67X00_HCD)	+= c67x00/
 
diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
index 56802d2e994b..c89990f5e018 100644
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -5,6 +5,7 @@
  *  Copyright (C) 2004 David Woodhouse, Duncan Sands, Roman Kagan
  *  Copyright (C) 2005 Duncan Sands, Roman Kagan (rkagan % mail ! ru)
  *  Copyright (C) 2007 Simon Arlott
+ *  Copyright (C) 2009 Simon Arlott
  *
  *  This program is free software; you can redistribute it and/or modify it
  *  under the terms of the GNU General Public License as published by the Free
@@ -43,7 +44,7 @@
 #include "usbatm.h"
 
 #define DRIVER_AUTHOR	"Roman Kagan, David Woodhouse, Duncan Sands, Simon Arlott"
-#define DRIVER_VERSION	"0.3"
+#define DRIVER_VERSION	"0.4"
 #define DRIVER_DESC	"Conexant AccessRunner ADSL USB modem driver"
 
 static const char cxacru_driver_name[] = "cxacru";
@@ -52,6 +53,7 @@ static const char cxacru_driver_name[] = "cxacru";
 #define CXACRU_EP_DATA		0x02	/* Bulk in/out */
 
 #define CMD_PACKET_SIZE		64	/* Should be maxpacket(ep)? */
+#define CMD_MAX_CONFIG		((CMD_PACKET_SIZE / 4 - 1) / 2)
 
 /* Addresses */
 #define PLLFCLK_ADDR	0x00350068
@@ -105,6 +107,26 @@ enum cxacru_cm_request {
 	CM_REQUEST_MAX,
 };
 
+/* commands for interaction with the flash memory
+ *
+ * read:  response is the contents of the first 60 bytes of flash memory
+ * write: request contains the 60 bytes of data to write to flash memory
+ *        response is the contents of the first 60 bytes of flash memory
+ *
+ * layout: PP PP VV VV  MM MM MM MM  MM MM ?? ??  SS SS SS SS  SS SS SS SS
+ *         SS SS SS SS  SS SS SS SS  00 00 00 00  00 00 00 00  00 00 00 00
+ *         00 00 00 00  00 00 00 00  00 00 00 00  00 00 00 00  00 00 00 00
+ *
+ *   P: le16  USB Product ID
+ *   V: le16  USB Vendor ID
+ *   M: be48  MAC Address
+ *   S: le16  ASCII Serial Number
+ */
+enum cxacru_cm_flash {
+	CM_FLASH_READ = 0xa1,
+	CM_FLASH_WRITE = 0xa2
+};
+
 /* reply codes to the commands above */
 enum cxacru_cm_status {
 	CM_STATUS_UNDEFINED,
@@ -196,23 +218,32 @@ static DEVICE_ATTR(_name, S_IRUGO, cxacru_sysfs_show_##_name, NULL)
 static DEVICE_ATTR(_name, S_IWUSR | S_IRUGO, \
 	cxacru_sysfs_show_##_name, cxacru_sysfs_store_##_name)
 
+#define CXACRU_SET_INIT(_name) \
+static DEVICE_ATTR(_name, S_IWUSR, \
+	NULL, cxacru_sysfs_store_##_name)
+
 #define CXACRU_ATTR_INIT(_value, _type, _name) \
 static ssize_t cxacru_sysfs_show_##_name(struct device *dev, \
 	struct device_attribute *attr, char *buf) \
 { \
-	struct usb_interface *intf = to_usb_interface(dev); \
-	struct usbatm_data *usbatm_instance = usb_get_intfdata(intf); \
-	struct cxacru_data *instance = usbatm_instance->driver_data; \
+	struct cxacru_data *instance = to_usbatm_driver_data(\
+		to_usb_interface(dev)); \
+\
+	if (instance == NULL) \
+		return -ENODEV; \
+\
 	return cxacru_sysfs_showattr_##_type(instance->card_info[_value], buf); \
 } \
 CXACRU__ATTR_INIT(_name)
 
 #define CXACRU_ATTR_CREATE(_v, _t, _name) CXACRU_DEVICE_CREATE_FILE(_name)
 #define CXACRU_CMD_CREATE(_name)          CXACRU_DEVICE_CREATE_FILE(_name)
+#define CXACRU_SET_CREATE(_name)          CXACRU_DEVICE_CREATE_FILE(_name)
 #define CXACRU__ATTR_CREATE(_name)        CXACRU_DEVICE_CREATE_FILE(_name)
 
 #define CXACRU_ATTR_REMOVE(_v, _t, _name) CXACRU_DEVICE_REMOVE_FILE(_name)
 #define CXACRU_CMD_REMOVE(_name)          CXACRU_DEVICE_REMOVE_FILE(_name)
+#define CXACRU_SET_REMOVE(_name)          CXACRU_DEVICE_REMOVE_FILE(_name)
 #define CXACRU__ATTR_REMOVE(_name)        CXACRU_DEVICE_REMOVE_FILE(_name)
 
 static ssize_t cxacru_sysfs_showattr_u32(u32 value, char *buf)
@@ -267,12 +298,12 @@ static ssize_t cxacru_sysfs_showattr_LINE(u32 value, char *buf)
 static ssize_t cxacru_sysfs_showattr_MODU(u32 value, char *buf)
 {
 	static char *str[] = {
-			NULL,
+			"",
 			"ANSI T1.413",
 			"ITU-T G.992.1 (G.DMT)",
 			"ITU-T G.992.2 (G.LITE)"
 	};
-	if (unlikely(value >= ARRAY_SIZE(str) || str[value] == NULL))
+	if (unlikely(value >= ARRAY_SIZE(str)))
 		return snprintf(buf, PAGE_SIZE, "%u\n", value);
 	return snprintf(buf, PAGE_SIZE, "%s\n", str[value]);
 }
@@ -288,22 +319,28 @@ static ssize_t cxacru_sysfs_showattr_MODU(u32 value, char *buf)
 static ssize_t cxacru_sysfs_show_mac_address(struct device *dev,
 	struct device_attribute *attr, char *buf)
 {
-	struct usb_interface *intf = to_usb_interface(dev);
-	struct usbatm_data *usbatm_instance = usb_get_intfdata(intf);
-	struct atm_dev *atm_dev = usbatm_instance->atm_dev;
+	struct cxacru_data *instance = to_usbatm_driver_data(
+			to_usb_interface(dev));
 
-	return snprintf(buf, PAGE_SIZE, "%pM\n", atm_dev->esi);
+	if (instance == NULL || instance->usbatm->atm_dev == NULL)
+		return -ENODEV;
+
+	return snprintf(buf, PAGE_SIZE, "%pM\n",
+		instance->usbatm->atm_dev->esi);
 }
 
 static ssize_t cxacru_sysfs_show_adsl_state(struct device *dev,
 	struct device_attribute *attr, char *buf)
 {
-	struct usb_interface *intf = to_usb_interface(dev);
-	struct usbatm_data *usbatm_instance = usb_get_intfdata(intf);
-	struct cxacru_data *instance = usbatm_instance->driver_data;
-	u32 value = instance->card_info[CXINF_LINE_STARTABLE];
-
 	static char *str[] = { "running", "stopped" };
+	struct cxacru_data *instance = to_usbatm_driver_data(
+			to_usb_interface(dev));
+	u32 value;
+
+	if (instance == NULL)
+		return -ENODEV;
+
+	value = instance->card_info[CXINF_LINE_STARTABLE];
 	if (unlikely(value >= ARRAY_SIZE(str)))
 		return snprintf(buf, PAGE_SIZE, "%u\n", value);
 	return snprintf(buf, PAGE_SIZE, "%s\n", str[value]);
@@ -312,9 +349,8 @@ static ssize_t cxacru_sysfs_show_adsl_state(struct device *dev,
 static ssize_t cxacru_sysfs_store_adsl_state(struct device *dev,
 	struct device_attribute *attr, const char *buf, size_t count)
 {
-	struct usb_interface *intf = to_usb_interface(dev);
-	struct usbatm_data *usbatm_instance = usb_get_intfdata(intf);
-	struct cxacru_data *instance = usbatm_instance->driver_data;
+	struct cxacru_data *instance = to_usbatm_driver_data(
+			to_usb_interface(dev));
 	int ret;
 	int poll = -1;
 	char str_cmd[8];
@@ -328,13 +364,16 @@ static ssize_t cxacru_sysfs_store_adsl_state(struct device *dev,
 		return -EINVAL;
 	ret = 0;
 
+	if (instance == NULL)
+		return -ENODEV;
+
 	if (mutex_lock_interruptible(&instance->adsl_state_serialize))
 		return -ERESTARTSYS;
 
 	if (!strcmp(str_cmd, "stop") || !strcmp(str_cmd, "restart")) {
 		ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_STOP, NULL, 0, NULL, 0);
 		if (ret < 0) {
-			atm_err(usbatm_instance, "change adsl state:"
+			atm_err(instance->usbatm, "change adsl state:"
 				" CHIP_ADSL_LINE_STOP returned %d\n", ret);
 
 			ret = -EIO;
@@ -354,7 +393,7 @@ static ssize_t cxacru_sysfs_store_adsl_state(struct device *dev,
 	if (!strcmp(str_cmd, "start") || !strcmp(str_cmd, "restart")) {
 		ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_START, NULL, 0, NULL, 0);
 		if (ret < 0) {
-			atm_err(usbatm_instance, "change adsl state:"
+			atm_err(instance->usbatm, "change adsl state:"
 				" CHIP_ADSL_LINE_START returned %d\n", ret);
 
 			ret = -EIO;
@@ -407,6 +446,72 @@ static ssize_t cxacru_sysfs_store_adsl_state(struct device *dev,
 	return ret;
 }
 
+/* CM_REQUEST_CARD_DATA_GET times out, so no show attribute */
+
+static ssize_t cxacru_sysfs_store_adsl_config(struct device *dev,
+	struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct cxacru_data *instance = to_usbatm_driver_data(
+			to_usb_interface(dev));
+	int len = strlen(buf);
+	int ret, pos, num;
+	__le32 data[CMD_PACKET_SIZE / 4];
+
+	if (!capable(CAP_NET_ADMIN))
+		return -EACCES;
+
+	if (instance == NULL)
+		return -ENODEV;
+
+	pos = 0;
+	num = 0;
+	while (pos < len) {
+		int tmp;
+		u32 index;
+		u32 value;
+
+		ret = sscanf(buf + pos, "%x=%x%n", &index, &value, &tmp);
+		if (ret < 2)
+			return -EINVAL;
+		if (index < 0 || index > 0x7f)
+			return -EINVAL;
+		pos += tmp;
+
+		/* skip trailing newline */
+		if (buf[pos] == '\n' && pos == len-1)
+			pos++;
+
+		data[num * 2 + 1] = cpu_to_le32(index);
+		data[num * 2 + 2] = cpu_to_le32(value);
+		num++;
+
+		/* send config values when data buffer is full
+		 * or no more data
+		 */
+		if (pos >= len || num >= CMD_MAX_CONFIG) {
+			char log[CMD_MAX_CONFIG * 12 + 1]; /* %02x=%08x */
+
+			data[0] = cpu_to_le32(num);
+			ret = cxacru_cm(instance, CM_REQUEST_CARD_DATA_SET,
+				(u8 *) data, 4 + num * 8, NULL, 0);
+			if (ret < 0) {
+				atm_err(instance->usbatm,
+					"set card data returned %d\n", ret);
+				return -EIO;
+			}
+
+			for (tmp = 0; tmp < num; tmp++)
+				snprintf(log + tmp*12, 13, " %02x=%08x",
+					le32_to_cpu(data[tmp * 2 + 1]),
+					le32_to_cpu(data[tmp * 2 + 2]));
+			atm_info(instance->usbatm, "config%s\n", log);
+			num = 0;
+		}
+	}
+
+	return len;
+}
+
 /*
  * All device attributes are included in CXACRU_ALL_FILES
  * so that the same list can be used multiple times:
@@ -442,7 +547,8 @@ CXACRU_ATTR_##_action(CXINF_MODULATION,                MODU, modulation); \
 CXACRU_ATTR_##_action(CXINF_ADSL_HEADEND,              u32,  adsl_headend); \
 CXACRU_ATTR_##_action(CXINF_ADSL_HEADEND_ENVIRONMENT,  u32,  adsl_headend_environment); \
 CXACRU_ATTR_##_action(CXINF_CONTROLLER_VERSION,        u32,  adsl_controller_version); \
-CXACRU_CMD_##_action(                                        adsl_state);
+CXACRU_CMD_##_action(                                        adsl_state); \
+CXACRU_SET_##_action(                                        adsl_config);
 
 CXACRU_ALL_FILES(INIT);
 
@@ -596,7 +702,7 @@ static int cxacru_cm_get_array(struct cxacru_data *instance, enum cxacru_cm_requ
 	len = ret / 4;
 	for (offb = 0; offb < len; ) {
 		int l = le32_to_cpu(buf[offb++]);
-		if (l > stride || l > (len - offb) / 2) {
+		if (l < 0 || l > stride || l > (len - offb) / 2) {
 			if (printk_ratelimit())
 				usb_err(instance->usbatm, "invalid data length from cm %#x: %d\n",
 					cm, l);
@@ -649,9 +755,6 @@ static int cxacru_atm_start(struct usbatm_data *usbatm_instance,
 {
 	struct cxacru_data *instance = usbatm_instance->driver_data;
 	struct usb_interface *intf = usbatm_instance->usb_intf;
-	/*
-	struct atm_dev *atm_dev = usbatm_instance->atm_dev;
-	*/
 	int ret;
 	int start_polling = 1;
 
@@ -697,6 +800,9 @@ static int cxacru_atm_start(struct usbatm_data *usbatm_instance,
 	mutex_unlock(&instance->poll_state_serialize);
 	mutex_unlock(&instance->adsl_state_serialize);
 
+	printk(KERN_INFO "%s%d: %s %pM\n", atm_dev->type, atm_dev->number,
+			usbatm_instance->description, atm_dev->esi);
+
 	if (start_polling)
 		cxacru_poll_status(&instance->poll_work.work);
 	return 0;
@@ -873,11 +979,9 @@ cleanup:
 
 static void cxacru_upload_firmware(struct cxacru_data *instance,
 				   const struct firmware *fw,
-				   const struct firmware *bp,
-				   const struct firmware *cf)
+				   const struct firmware *bp)
 {
 	int ret;
-	int off;
 	struct usbatm_data *usbatm = instance->usbatm;
 	struct usb_device *usb_dev = usbatm->usb_dev;
 	__le16 signature[] = { usb_dev->descriptor.idVendor,
@@ -911,6 +1015,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
 	}
 
 	/* Firmware */
+	usb_info(usbatm, "loading firmware\n");
 	ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, FW_ADDR, fw->data, fw->size);
 	if (ret) {
 		usb_err(usbatm, "Firmware upload failed: %d\n", ret);
@@ -919,6 +1024,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
 
 	/* Boot ROM patch */
 	if (instance->modem_type->boot_rom_patch) {
+		usb_info(usbatm, "loading boot ROM patch\n");
 		ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_ADDR, bp->data, bp->size);
 		if (ret) {
 			usb_err(usbatm, "Boot ROM patching failed: %d\n", ret);
@@ -933,6 +1039,7 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
 		return;
 	}
 
+	usb_info(usbatm, "starting device\n");
 	if (instance->modem_type->boot_rom_patch) {
 		val = cpu_to_le32(BR_ADDR);
 		ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_STACK_ADDR, (u8 *) &val, 4);
@@ -958,26 +1065,6 @@ static void cxacru_upload_firmware(struct cxacru_data *instance,
 		usb_err(usbatm, "modem failed to initialize: %d\n", ret);
 		return;
 	}
-
-	/* Load config data (le32), doing one packet at a time */
-	if (cf)
-		for (off = 0; off < cf->size / 4; ) {
-			__le32 buf[CMD_PACKET_SIZE / 4 - 1];
-			int i, len = min_t(int, cf->size / 4 - off, CMD_PACKET_SIZE / 4 / 2 - 1);
-			buf[0] = cpu_to_le32(len);
-			for (i = 0; i < len; i++, off++) {
-				buf[i * 2 + 1] = cpu_to_le32(off);
-				memcpy(buf + i * 2 + 2, cf->data + off * 4, 4);
-			}
-			ret = cxacru_cm(instance, CM_REQUEST_CARD_DATA_SET,
-					(u8 *) buf, len, NULL, 0);
-			if (ret < 0) {
-				usb_err(usbatm, "load config data failed: %d\n", ret);
-				return;
-			}
-		}
-
-	msleep_interruptible(4000);
 }
 
 static int cxacru_find_firmware(struct cxacru_data *instance,
@@ -1003,7 +1090,7 @@ static int cxacru_find_firmware(struct cxacru_data *instance,
 static int cxacru_heavy_init(struct usbatm_data *usbatm_instance,
 			     struct usb_interface *usb_intf)
 {
-	const struct firmware *fw, *bp, *cf;
+	const struct firmware *fw, *bp;
 	struct cxacru_data *instance = usbatm_instance->driver_data;
 
 	int ret = cxacru_find_firmware(instance, "fw", &fw);
@@ -1021,13 +1108,8 @@ static int cxacru_heavy_init(struct usbatm_data *usbatm_instance,
 		}
 	}
 
-	if (cxacru_find_firmware(instance, "cf", &cf))		/* optional */
-		cf = NULL;
-
-	cxacru_upload_firmware(instance, fw, bp, cf);
+	cxacru_upload_firmware(instance, fw, bp);
 
-	if (cf)
-		release_firmware(cf);
 	if (instance->modem_type->boot_rom_patch)
 		release_firmware(bp);
 	release_firmware(fw);
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index fbea8563df1e..9b53e8df4648 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -1333,6 +1333,7 @@ void usbatm_usb_disconnect(struct usb_interface *intf)
 	if (instance->atm_dev) {
 		sysfs_remove_link(&instance->atm_dev->class_dev.kobj, "device");
 		atm_dev_deregister(instance->atm_dev);
+		instance->atm_dev = NULL;
 	}
 
 	usbatm_put_instance(instance);	/* taken in usbatm_usb_probe */
@@ -1348,7 +1349,7 @@ static int __init usbatm_usb_init(void)
 {
 	dbg("%s: driver version %s", __func__, DRIVER_VERSION);
 
-	if (sizeof(struct usbatm_control) > sizeof(((struct sk_buff *) 0)->cb)) {
+	if (sizeof(struct usbatm_control) > FIELD_SIZEOF(struct sk_buff, cb)) {
 		printk(KERN_ERR "%s unusable with this kernel!\n", usbatm_driver_name);
 		return -EIO;
 	}
diff --git a/drivers/usb/atm/usbatm.h b/drivers/usb/atm/usbatm.h
index f6f4508a9d42..0863f85fcc26 100644
--- a/drivers/usb/atm/usbatm.h
+++ b/drivers/usb/atm/usbatm.h
@@ -204,4 +204,19 @@ struct usbatm_data {
 	struct urb *urbs[0];
 };
 
+static inline void *to_usbatm_driver_data(struct usb_interface *intf)
+{
+	struct usbatm_data *usbatm_instance;
+
+	if (intf == NULL)
+		return NULL;
+
+	usbatm_instance = usb_get_intfdata(intf);
+
+	if (usbatm_instance == NULL) /* set NULL before unbind() */
+		return NULL;
+
+	return usbatm_instance->driver_data; /* set NULL after unbind() */
+}
+
 #endif	/* _USBATM_H_ */
diff --git a/drivers/usb/c67x00/c67x00-drv.c b/drivers/usb/c67x00/c67x00-drv.c
index 5633bc5c8bf2..029ee4a8a1f3 100644
--- a/drivers/usb/c67x00/c67x00-drv.c
+++ b/drivers/usb/c67x00/c67x00-drv.c
@@ -137,13 +137,13 @@ static int __devinit c67x00_drv_probe(struct platform_device *pdev)
 	if (!c67x00)
 		return -ENOMEM;
 
-	if (!request_mem_region(res->start, res->end - res->start + 1,
+	if (!request_mem_region(res->start, resource_size(res),
 				pdev->name)) {
 		dev_err(&pdev->dev, "Memory region busy\n");
 		ret = -EBUSY;
 		goto request_mem_failed;
 	}
-	c67x00->hpi.base = ioremap(res->start, res->end - res->start + 1);
+	c67x00->hpi.base = ioremap(res->start, resource_size(res));
 	if (!c67x00->hpi.base) {
 		dev_err(&pdev->dev, "Unable to map HPI registers\n");
 		ret = -EIO;
@@ -182,7 +182,7 @@ static int __devinit c67x00_drv_probe(struct platform_device *pdev)
  request_irq_failed:
 	iounmap(c67x00->hpi.base);
  map_failed:
-	release_mem_region(res->start, res->end - res->start + 1);
+	release_mem_region(res->start, resource_size(res));
  request_mem_failed:
 	kfree(c67x00);
 
@@ -208,7 +208,7 @@ static int __devexit c67x00_drv_remove(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (res)
-		release_mem_region(res->start, res->end - res->start + 1);
+		release_mem_region(res->start, resource_size(res));
 
 	kfree(c67x00);
 
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 34d4eb98829e..be6331e2c276 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -170,6 +170,7 @@ static void acm_write_done(struct acm *acm, struct acm_wb *wb)
 {
 	wb->use = 0;
 	acm->transmitting--;
+	usb_autopm_put_interface_async(acm->control);
 }
 
 /*
@@ -211,9 +212,12 @@ static int acm_write_start(struct acm *acm, int wbn)
 	}
 
 	dbg("%s susp_count: %d", __func__, acm->susp_count);
+	usb_autopm_get_interface_async(acm->control);
 	if (acm->susp_count) {
-		acm->delayed_wb = wb;
-		schedule_work(&acm->waker);
+		if (!acm->delayed_wb)
+			acm->delayed_wb = wb;
+		else
+			usb_autopm_put_interface_async(acm->control);
 		spin_unlock_irqrestore(&acm->write_lock, flags);
 		return 0;	/* A white lie */
 	}
@@ -424,7 +428,6 @@ next_buffer:
 		throttled = acm->throttle;
 		spin_unlock_irqrestore(&acm->throttle_lock, flags);
 		if (!throttled) {
-			tty_buffer_request_room(tty, buf->size);
 			tty_insert_flip_string(tty, buf->base, buf->size);
 			tty_flip_buffer_push(tty);
 		} else {
@@ -534,23 +537,6 @@ static void acm_softint(struct work_struct *work)
 	tty_kref_put(tty);
 }
 
-static void acm_waker(struct work_struct *waker)
-{
-	struct acm *acm = container_of(waker, struct acm, waker);
-	int rv;
-
-	rv = usb_autopm_get_interface(acm->control);
-	if (rv < 0) {
-		dev_err(&acm->dev->dev, "Autopm failure in %s\n", __func__);
-		return;
-	}
-	if (acm->delayed_wb) {
-		acm_start_wb(acm, acm->delayed_wb);
-		acm->delayed_wb = NULL;
-	}
-	usb_autopm_put_interface(acm->control);
-}
-
 /*
  * TTY handlers
  */
@@ -566,7 +552,7 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp)
 
 	acm = acm_table[tty->index];
 	if (!acm || !acm->dev)
-		goto err_out;
+		goto out;
 	else
 		rv = 0;
 
@@ -582,8 +568,9 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp)
 
 	mutex_lock(&acm->mutex);
 	if (acm->port.count++) {
+		mutex_unlock(&acm->mutex);
 		usb_autopm_put_interface(acm->control);
-		goto done;
+		goto out;
 	}
 
 	acm->ctrlurb->dev = acm->dev;
@@ -612,18 +599,18 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp)
 	set_bit(ASYNCB_INITIALIZED, &acm->port.flags);
 	rv = tty_port_block_til_ready(&acm->port, tty, filp);
 	tasklet_schedule(&acm->urb_task);
-done:
+
 	mutex_unlock(&acm->mutex);
-err_out:
+out:
 	mutex_unlock(&open_mutex);
 	return rv;
 
 full_bailout:
 	usb_kill_urb(acm->ctrlurb);
 bail_out:
-	usb_autopm_put_interface(acm->control);
 	acm->port.count--;
 	mutex_unlock(&acm->mutex);
+	usb_autopm_put_interface(acm->control);
 early_bail:
 	mutex_unlock(&open_mutex);
 	tty_port_tty_set(&acm->port, NULL);
@@ -1023,7 +1010,7 @@ static int acm_probe(struct usb_interface *intf,
 		case USB_CDC_CALL_MANAGEMENT_TYPE:
 			call_management_function = buffer[3];
 			call_interface_num = buffer[4];
-			if ((call_management_function & 3) != 3)
+			if ( (quirks & NOT_A_MODEM) == 0 && (call_management_function & 3) != 3)
 				dev_err(&intf->dev, "This device cannot do calls on its own. It is not a modem.\n");
 			break;
 		default:
@@ -1178,7 +1165,6 @@ made_compressed_probe:
 	acm->urb_task.func = acm_rx_tasklet;
 	acm->urb_task.data = (unsigned long) acm;
 	INIT_WORK(&acm->work, acm_softint);
-	INIT_WORK(&acm->waker, acm_waker);
 	init_waitqueue_head(&acm->drain_wait);
 	spin_lock_init(&acm->throttle_lock);
 	spin_lock_init(&acm->write_lock);
@@ -1343,7 +1329,6 @@ static void stop_data_traffic(struct acm *acm)
 	tasklet_enable(&acm->urb_task);
 
 	cancel_work_sync(&acm->work);
-	cancel_work_sync(&acm->waker);
 }
 
 static void acm_disconnect(struct usb_interface *intf)
@@ -1435,6 +1420,7 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message)
 static int acm_resume(struct usb_interface *intf)
 {
 	struct acm *acm = usb_get_intfdata(intf);
+	struct acm_wb *wb;
 	int rv = 0;
 	int cnt;
 
@@ -1449,6 +1435,21 @@ static int acm_resume(struct usb_interface *intf)
 	mutex_lock(&acm->mutex);
 	if (acm->port.count) {
 		rv = usb_submit_urb(acm->ctrlurb, GFP_NOIO);
+
+		spin_lock_irq(&acm->write_lock);
+		if (acm->delayed_wb) {
+			wb = acm->delayed_wb;
+			acm->delayed_wb = NULL;
+			spin_unlock_irq(&acm->write_lock);
+			acm_start_wb(acm, wb);
+		} else {
+			spin_unlock_irq(&acm->write_lock);
+		}
+
+		/*
+		 * delayed error checking because we must
+		 * do the write path at all cost
+		 */
 		if (rv < 0)
 			goto err_out;
 
@@ -1460,6 +1461,23 @@ err_out:
 	return rv;
 }
 
+static int acm_reset_resume(struct usb_interface *intf)
+{
+	struct acm *acm = usb_get_intfdata(intf);
+	struct tty_struct *tty;
+
+	mutex_lock(&acm->mutex);
+	if (acm->port.count) {
+		tty = tty_port_tty_get(&acm->port);
+		if (tty) {
+			tty_hangup(tty);
+			tty_kref_put(tty);
+		}
+	}
+	mutex_unlock(&acm->mutex);
+	return acm_resume(intf);
+}
+
 #endif /* CONFIG_PM */
 
 #define NOKIA_PCSUITE_ACM_INFO(x) \
@@ -1471,7 +1489,7 @@ err_out:
  * USB driver structure.
  */
 
-static struct usb_device_id acm_ids[] = {
+static const struct usb_device_id acm_ids[] = {
 	/* quirky and broken devices */
 	{ USB_DEVICE(0x0870, 0x0001), /* Metricom GS Modem */
 	.driver_info = NO_UNION_NORMAL, /* has no union descriptor */
@@ -1576,6 +1594,11 @@ static struct usb_device_id acm_ids[] = {
 
 	/* NOTE: non-Nokia COMM/ACM/0xff is likely MSFT RNDIS... NOT a modem! */
 
+	/* Support Lego NXT using pbLua firmware */
+	{ USB_DEVICE(0x0694, 0xff00),
+	.driver_info = NOT_A_MODEM,
+       	},
+
 	/* control interfaces with various AT-command sets */
 	{ USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM,
 		USB_CDC_ACM_PROTO_AT_V25TER) },
@@ -1602,6 +1625,7 @@ static struct usb_driver acm_driver = {
 #ifdef CONFIG_PM
 	.suspend =	acm_suspend,
 	.resume =	acm_resume,
+	.reset_resume =	acm_reset_resume,
 #endif
 	.id_table =	acm_ids,
 #ifdef CONFIG_PM
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index c4a0ee8ffccf..4a8e87ec6ce9 100644
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -112,7 +112,6 @@ struct acm {
 	struct mutex mutex;
 	struct usb_cdc_line_coding line;		/* bits, stop, parity */
 	struct work_struct work;			/* work queue entry for line discipline waking up */
-	struct work_struct waker;
 	wait_queue_head_t drain_wait;			/* close processing */
 	struct tasklet_struct urb_task;                 /* rx processing */
 	spinlock_t throttle_lock;			/* synchronize throtteling and read callback */
@@ -137,3 +136,4 @@ struct acm {
 #define NO_UNION_NORMAL			1
 #define SINGLE_RX_URB			2
 #define NO_CAP_LINE			4
+#define NOT_A_MODEM			8
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 3e564bfe17d1..189141ca4e05 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -31,7 +31,7 @@
 #define DRIVER_AUTHOR "Oliver Neukum"
 #define DRIVER_DESC "USB Abstract Control Model driver for USB WCM Device Management"
 
-static struct usb_device_id wdm_ids[] = {
+static const struct usb_device_id wdm_ids[] = {
 	{
 		.match_flags = USB_DEVICE_ID_MATCH_INT_CLASS |
 				 USB_DEVICE_ID_MATCH_INT_SUBCLASS,
@@ -52,7 +52,8 @@ MODULE_DEVICE_TABLE (usb, wdm_ids);
 #define WDM_READ		4
 #define WDM_INT_STALL		5
 #define WDM_POLL_RUNNING	6
-
+#define WDM_RESPONDING		7
+#define WDM_SUSPENDING		8
 
 #define WDM_MAX			16
 
@@ -87,9 +88,7 @@ struct wdm_device {
 	int			count;
 	dma_addr_t		shandle;
 	dma_addr_t		ihandle;
-	struct mutex		wlock;
-	struct mutex		rlock;
-	struct mutex		plock;
+	struct mutex		lock;
 	wait_queue_head_t	wait;
 	struct work_struct	rxwork;
 	int			werr;
@@ -117,21 +116,22 @@ static void wdm_in_callback(struct urb *urb)
 	int status = urb->status;
 
 	spin_lock(&desc->iuspin);
+	clear_bit(WDM_RESPONDING, &desc->flags);
 
 	if (status) {
 		switch (status) {
 		case -ENOENT:
 			dev_dbg(&desc->intf->dev,
 				"nonzero urb status received: -ENOENT");
-			break;
+			goto skip_error;
 		case -ECONNRESET:
 			dev_dbg(&desc->intf->dev,
 				"nonzero urb status received: -ECONNRESET");
-			break;
+			goto skip_error;
 		case -ESHUTDOWN:
 			dev_dbg(&desc->intf->dev,
 				"nonzero urb status received: -ESHUTDOWN");
-			break;
+			goto skip_error;
 		case -EPIPE:
 			dev_err(&desc->intf->dev,
 				"nonzero urb status received: -EPIPE\n");
@@ -147,6 +147,7 @@ static void wdm_in_callback(struct urb *urb)
 	desc->reslength = urb->actual_length;
 	memmove(desc->ubuf + desc->length, desc->inbuf, desc->reslength);
 	desc->length += desc->reslength;
+skip_error:
 	wake_up(&desc->wait);
 
 	set_bit(WDM_READ, &desc->flags);
@@ -229,13 +230,16 @@ static void wdm_int_callback(struct urb *urb)
 	desc->response->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 	spin_lock(&desc->iuspin);
 	clear_bit(WDM_READ, &desc->flags);
-	if (!test_bit(WDM_DISCONNECTING, &desc->flags)) {
+	set_bit(WDM_RESPONDING, &desc->flags);
+	if (!test_bit(WDM_DISCONNECTING, &desc->flags)
+		&& !test_bit(WDM_SUSPENDING, &desc->flags)) {
 		rv = usb_submit_urb(desc->response, GFP_ATOMIC);
 		dev_dbg(&desc->intf->dev, "%s: usb_submit_urb %d",
 			__func__, rv);
 	}
 	spin_unlock(&desc->iuspin);
 	if (rv < 0) {
+		clear_bit(WDM_RESPONDING, &desc->flags);
 		if (rv == -EPERM)
 			return;
 		if (rv == -ENOMEM) {
@@ -305,14 +309,38 @@ static ssize_t wdm_write
 	if (we < 0)
 		return -EIO;
 
-	r = mutex_lock_interruptible(&desc->wlock); /* concurrent writes */
+	desc->outbuf = buf = kmalloc(count, GFP_KERNEL);
+	if (!buf) {
+		rv = -ENOMEM;
+		goto outnl;
+	}
+
+	r = copy_from_user(buf, buffer, count);
+	if (r > 0) {
+		kfree(buf);
+		rv = -EFAULT;
+		goto outnl;
+	}
+
+	/* concurrent writes and disconnect */
+	r = mutex_lock_interruptible(&desc->lock);
 	rv = -ERESTARTSYS;
-	if (r)
+	if (r) {
+		kfree(buf);
 		goto outnl;
+	}
+
+	if (test_bit(WDM_DISCONNECTING, &desc->flags)) {
+		kfree(buf);
+		rv = -ENODEV;
+		goto outnp;
+	}
 
 	r = usb_autopm_get_interface(desc->intf);
-	if (r < 0)
+	if (r < 0) {
+		kfree(buf);
 		goto outnp;
+	}
 
 	if (!file->f_flags && O_NONBLOCK)
 		r = wait_event_interruptible(desc->wait, !test_bit(WDM_IN_USE,
@@ -320,24 +348,8 @@ static ssize_t wdm_write
 	else
 		if (test_bit(WDM_IN_USE, &desc->flags))
 			r = -EAGAIN;
-	if (r < 0)
-		goto out;
-
-	if (test_bit(WDM_DISCONNECTING, &desc->flags)) {
-		rv = -ENODEV;
-		goto out;
-	}
-
-	desc->outbuf = buf = kmalloc(count, GFP_KERNEL);
-	if (!buf) {
-		rv = -ENOMEM;
-		goto out;
-	}
-
-	r = copy_from_user(buf, buffer, count);
-	if (r > 0) {
+	if (r < 0) {
 		kfree(buf);
-		rv = -EFAULT;
 		goto out;
 	}
 
@@ -374,7 +386,7 @@ static ssize_t wdm_write
 out:
 	usb_autopm_put_interface(desc->intf);
 outnp:
-	mutex_unlock(&desc->wlock);
+	mutex_unlock(&desc->lock);
 outnl:
 	return rv < 0 ? rv : count;
 }
@@ -387,7 +399,7 @@ static ssize_t wdm_read
 	struct wdm_device *desc = file->private_data;
 
 
-	rv = mutex_lock_interruptible(&desc->rlock); /*concurrent reads */
+	rv = mutex_lock_interruptible(&desc->lock); /*concurrent reads */
 	if (rv < 0)
 		return -ERESTARTSYS;
 
@@ -424,11 +436,8 @@ retry:
 		spin_lock_irq(&desc->iuspin);
 
 		if (desc->rerr) { /* read completed, error happened */
-			int t = desc->rerr;
 			desc->rerr = 0;
 			spin_unlock_irq(&desc->iuspin);
-			dev_err(&desc->intf->dev,
-				"reading had resulted in %d\n", t);
 			rv = -EIO;
 			goto err;
 		}
@@ -465,9 +474,7 @@ retry:
 	rv = cntr;
 
 err:
-	mutex_unlock(&desc->rlock);
-	if (rv < 0 && rv != -EAGAIN)
-		dev_err(&desc->intf->dev, "wdm_read: exit error\n");
+	mutex_unlock(&desc->lock);
 	return rv;
 }
 
@@ -533,7 +540,7 @@ static int wdm_open(struct inode *inode, struct file *file)
 	}
 	intf->needs_remote_wakeup = 1;
 
-	mutex_lock(&desc->plock);
+	mutex_lock(&desc->lock);
 	if (!desc->count++) {
 		rv = usb_submit_urb(desc->validity, GFP_KERNEL);
 		if (rv < 0) {
@@ -544,7 +551,7 @@ static int wdm_open(struct inode *inode, struct file *file)
 	} else {
 		rv = 0;
 	}
-	mutex_unlock(&desc->plock);
+	mutex_unlock(&desc->lock);
 	usb_autopm_put_interface(desc->intf);
 out:
 	mutex_unlock(&wdm_mutex);
@@ -556,9 +563,9 @@ static int wdm_release(struct inode *inode, struct file *file)
 	struct wdm_device *desc = file->private_data;
 
 	mutex_lock(&wdm_mutex);
-	mutex_lock(&desc->plock);
+	mutex_lock(&desc->lock);
 	desc->count--;
-	mutex_unlock(&desc->plock);
+	mutex_unlock(&desc->lock);
 
 	if (!desc->count) {
 		dev_dbg(&desc->intf->dev, "wdm_release: cleanup");
@@ -655,9 +662,7 @@ next_desc:
 	desc = kzalloc(sizeof(struct wdm_device), GFP_KERNEL);
 	if (!desc)
 		goto out;
-	mutex_init(&desc->wlock);
-	mutex_init(&desc->rlock);
-	mutex_init(&desc->plock);
+	mutex_init(&desc->lock);
 	spin_lock_init(&desc->iuspin);
 	init_waitqueue_head(&desc->wait);
 	desc->wMaxCommand = maxcom;
@@ -771,14 +776,17 @@ static void wdm_disconnect(struct usb_interface *intf)
 	/* to terminate pending flushes */
 	clear_bit(WDM_IN_USE, &desc->flags);
 	spin_unlock_irqrestore(&desc->iuspin, flags);
-	cancel_work_sync(&desc->rxwork);
+	mutex_lock(&desc->lock);
 	kill_urbs(desc);
+	cancel_work_sync(&desc->rxwork);
+	mutex_unlock(&desc->lock);
 	wake_up_all(&desc->wait);
 	if (!desc->count)
 		cleanup(desc);
 	mutex_unlock(&wdm_mutex);
 }
 
+#ifdef CONFIG_PM
 static int wdm_suspend(struct usb_interface *intf, pm_message_t message)
 {
 	struct wdm_device *desc = usb_get_intfdata(intf);
@@ -786,22 +794,30 @@ static int wdm_suspend(struct usb_interface *intf, pm_message_t message)
 
 	dev_dbg(&desc->intf->dev, "wdm%d_suspend\n", intf->minor);
 
-	mutex_lock(&desc->plock);
-#ifdef CONFIG_PM
+	/* if this is an autosuspend the caller does the locking */
+	if (!(message.event & PM_EVENT_AUTO))
+		mutex_lock(&desc->lock);
+	spin_lock_irq(&desc->iuspin);
+
 	if ((message.event & PM_EVENT_AUTO) &&
-			test_bit(WDM_IN_USE, &desc->flags)) {
+			(test_bit(WDM_IN_USE, &desc->flags)
+			|| test_bit(WDM_RESPONDING, &desc->flags))) {
+		spin_unlock_irq(&desc->iuspin);
 		rv = -EBUSY;
 	} else {
-#endif
-		cancel_work_sync(&desc->rxwork);
+
+		set_bit(WDM_SUSPENDING, &desc->flags);
+		spin_unlock_irq(&desc->iuspin);
+		/* callback submits work - order is essential */
 		kill_urbs(desc);
-#ifdef CONFIG_PM
+		cancel_work_sync(&desc->rxwork);
 	}
-#endif
-	mutex_unlock(&desc->plock);
+	if (!(message.event & PM_EVENT_AUTO))
+		mutex_unlock(&desc->lock);
 
 	return rv;
 }
+#endif
 
 static int recover_from_urb_loss(struct wdm_device *desc)
 {
@@ -815,23 +831,27 @@ static int recover_from_urb_loss(struct wdm_device *desc)
 	}
 	return rv;
 }
+
+#ifdef CONFIG_PM
 static int wdm_resume(struct usb_interface *intf)
 {
 	struct wdm_device *desc = usb_get_intfdata(intf);
 	int rv;
 
 	dev_dbg(&desc->intf->dev, "wdm%d_resume\n", intf->minor);
-	mutex_lock(&desc->plock);
+
+	clear_bit(WDM_SUSPENDING, &desc->flags);
 	rv = recover_from_urb_loss(desc);
-	mutex_unlock(&desc->plock);
+
 	return rv;
 }
+#endif
 
 static int wdm_pre_reset(struct usb_interface *intf)
 {
 	struct wdm_device *desc = usb_get_intfdata(intf);
 
-	mutex_lock(&desc->plock);
+	mutex_lock(&desc->lock);
 	return 0;
 }
 
@@ -841,7 +861,7 @@ static int wdm_post_reset(struct usb_interface *intf)
 	int rv;
 
 	rv = recover_from_urb_loss(desc);
-	mutex_unlock(&desc->plock);
+	mutex_unlock(&desc->lock);
 	return 0;
 }
 
@@ -849,9 +869,11 @@ static struct usb_driver wdm_driver = {
 	.name =		"cdc_wdm",
 	.probe =	wdm_probe,
 	.disconnect =	wdm_disconnect,
+#ifdef CONFIG_PM
 	.suspend =	wdm_suspend,
 	.resume =	wdm_resume,
 	.reset_resume =	wdm_resume,
+#endif
 	.pre_reset =	wdm_pre_reset,
 	.post_reset =	wdm_post_reset,
 	.id_table =	wdm_ids,
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 9bc112ee7803..93b5f85d7ceb 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -163,7 +163,6 @@ struct usblp {
 	unsigned char		used;			/* True if open */
 	unsigned char		present;		/* True if not disconnected */
 	unsigned char		bidir;			/* interface is bidirectional */
-	unsigned char		sleeping;		/* interface is suspended */
 	unsigned char		no_paper;		/* Paper Out happened */
 	unsigned char		*device_id_string;	/* IEEE 1284 DEVICE ID string (ptr) */
 							/* first 2 bytes are (big-endian) length */
@@ -191,7 +190,6 @@ static void usblp_dump(struct usblp *usblp) {
 	dbg("quirks=%d", usblp->quirks);
 	dbg("used=%d", usblp->used);
 	dbg("bidir=%d", usblp->bidir);
-	dbg("sleeping=%d", usblp->sleeping);
 	dbg("device_id_string=\"%s\"",
 		usblp->device_id_string ?
 			usblp->device_id_string + 2 :
@@ -376,7 +374,7 @@ static int usblp_check_status(struct usblp *usblp, int err)
 
 static int handle_bidir (struct usblp *usblp)
 {
-	if (usblp->bidir && usblp->used && !usblp->sleeping) {
+	if (usblp->bidir && usblp->used) {
 		if (usblp_submit_read(usblp) < 0)
 			return -EIO;
 	}
@@ -503,11 +501,6 @@ static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		goto done;
 	}
 
-	if (usblp->sleeping) {
-		retval = -ENODEV;
-		goto done;
-	}
-
 	dbg("usblp_ioctl: cmd=0x%x (%c nr=%d len=%d dir=%d)", cmd, _IOC_TYPE(cmd),
 		_IOC_NR(cmd), _IOC_SIZE(cmd), _IOC_DIR(cmd) );
 
@@ -914,8 +907,6 @@ static int usblp_wtest(struct usblp *usblp, int nonblock)
 		return 0;
 	}
 	spin_unlock_irqrestore(&usblp->lock, flags);
-	if (usblp->sleeping)
-		return -ENODEV;
 	if (nonblock)
 		return -EAGAIN;
 	return 1;
@@ -968,8 +959,6 @@ static int usblp_rtest(struct usblp *usblp, int nonblock)
 		return 0;
 	}
 	spin_unlock_irqrestore(&usblp->lock, flags);
-	if (usblp->sleeping)
-		return -ENODEV;
 	if (nonblock)
 		return -EAGAIN;
 	return 1;
@@ -1377,12 +1366,10 @@ static void usblp_disconnect(struct usb_interface *intf)
 	mutex_unlock (&usblp_mutex);
 }
 
-static int usblp_suspend (struct usb_interface *intf, pm_message_t message)
+static int usblp_suspend(struct usb_interface *intf, pm_message_t message)
 {
 	struct usblp *usblp = usb_get_intfdata (intf);
 
-	/* we take no more IO */
-	usblp->sleeping = 1;
 	usblp_unlink_urbs(usblp);
 #if 0 /* XXX Do we want this? What if someone is reading, should we fail? */
 	/* not strictly necessary, but just in case */
@@ -1393,18 +1380,17 @@ static int usblp_suspend (struct usb_interface *intf, pm_message_t message)
 	return 0;
 }
 
-static int usblp_resume (struct usb_interface *intf)
+static int usblp_resume(struct usb_interface *intf)
 {
 	struct usblp *usblp = usb_get_intfdata (intf);
 	int r;
 
-	usblp->sleeping = 0;
 	r = handle_bidir (usblp);
 
 	return r;
 }
 
-static struct usb_device_id usblp_ids [] = {
+static const struct usb_device_id usblp_ids[] = {
 	{ USB_DEVICE_INFO(7, 1, 1) },
 	{ USB_DEVICE_INFO(7, 1, 2) },
 	{ USB_DEVICE_INFO(7, 1, 3) },
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 7c5f4e32c920..8588c0937a89 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -48,7 +48,7 @@
  */
 #define USBTMC_MAX_READS_TO_CLEAR_BULK_IN	100
 
-static struct usb_device_id usbtmc_devices[] = {
+static const struct usb_device_id usbtmc_devices[] = {
 	{ USB_INTERFACE_INFO(USB_CLASS_APP_SPEC, 3, 0), },
 	{ USB_INTERFACE_INFO(USB_CLASS_APP_SPEC, 3, 1), },
 	{ 0, } /* terminating entry */
diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index ad925946f869..97a819c23ef3 100644
--- a/drivers/usb/core/Kconfig
+++ b/drivers/usb/core/Kconfig
@@ -91,8 +91,8 @@ config USB_DYNAMIC_MINORS
 	  If you are unsure about this, say N here.
 
 config USB_SUSPEND
-	bool "USB selective suspend/resume and wakeup"
-	depends on USB && PM
+	bool "USB runtime power management (suspend/resume and wakeup)"
+	depends on USB && PM_RUNTIME
 	help
 	  If you say Y here, you can use driver calls or the sysfs
 	  "power/level" file to suspend or resume individual USB
diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index 355dffcc23b0..d41811bfef2a 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -117,12 +117,20 @@ static const char *format_endpt =
  * However, these will come from functions that return ptrs to each of them.
  */
 
-static DECLARE_WAIT_QUEUE_HEAD(deviceconndiscwq);
-static unsigned int conndiscevcnt;
-
-/* this struct stores the poll state for <mountpoint>/devices pollers */
-struct usb_device_status {
-	unsigned int lastev;
+/*
+ * Wait for an connect/disconnect event to happen. We initialize
+ * the event counter with an odd number, and each event will increment
+ * the event counter by two, so it will always _stay_ odd. That means
+ * that it will never be zero, so "event 0" will never match a current
+ * event, and thus 'poll' will always trigger as readable for the first
+ * time it gets called.
+ */
+static struct device_connect_event {
+	atomic_t count;
+	wait_queue_head_t wait;
+} device_event = {
+	.count = ATOMIC_INIT(1),
+	.wait = __WAIT_QUEUE_HEAD_INITIALIZER(device_event.wait)
 };
 
 struct class_info {
@@ -156,8 +164,8 @@ static const struct class_info clas_info[] =
 
 void usbfs_conn_disc_event(void)
 {
-	conndiscevcnt++;
-	wake_up(&deviceconndiscwq);
+	atomic_add(2, &device_event.count);
+	wake_up(&device_event.wait);
 }
 
 static const char *class_decode(const int class)
@@ -629,55 +637,16 @@ static ssize_t usb_device_read(struct file *file, char __user *buf,
 static unsigned int usb_device_poll(struct file *file,
 				    struct poll_table_struct *wait)
 {
-	struct usb_device_status *st = file->private_data;
-	unsigned int mask = 0;
-
-	lock_kernel();
-	if (!st) {
-		st = kmalloc(sizeof(struct usb_device_status), GFP_KERNEL);
-
-		/* we may have dropped BKL -
-		 * need to check for having lost the race */
-		if (file->private_data) {
-			kfree(st);
-			st = file->private_data;
-			goto lost_race;
-		}
-		/* we haven't lost - check for allocation failure now */
-		if (!st) {
-			unlock_kernel();
-			return POLLIN;
-		}
+	unsigned int event_count;
 
-		/*
-		 * need to prevent the module from being unloaded, since
-		 * proc_unregister does not call the release method and
-		 * we would have a memory leak
-		 */
-		st->lastev = conndiscevcnt;
-		file->private_data = st;
-		mask = POLLIN;
-	}
-lost_race:
-	if (file->f_mode & FMODE_READ)
-		poll_wait(file, &deviceconndiscwq, wait);
-	if (st->lastev != conndiscevcnt)
-		mask |= POLLIN;
-	st->lastev = conndiscevcnt;
-	unlock_kernel();
-	return mask;
-}
+	poll_wait(file, &device_event.wait, wait);
 
-static int usb_device_open(struct inode *inode, struct file *file)
-{
-	file->private_data = NULL;
-	return 0;
-}
+	event_count = atomic_read(&device_event.count);
+	if (file->f_version != event_count) {
+		file->f_version = event_count;
+		return POLLIN | POLLRDNORM;
+	}
 
-static int usb_device_release(struct inode *inode, struct file *file)
-{
-	kfree(file->private_data);
-	file->private_data = NULL;
 	return 0;
 }
 
@@ -685,7 +654,7 @@ static loff_t usb_device_lseek(struct file *file, loff_t offset, int orig)
 {
 	loff_t ret;
 
-	lock_kernel();
+	mutex_lock(&file->f_dentry->d_inode->i_mutex);
 
 	switch (orig) {
 	case 0:
@@ -701,7 +670,7 @@ static loff_t usb_device_lseek(struct file *file, loff_t offset, int orig)
 		ret = -EINVAL;
 	}
 
-	unlock_kernel();
+	mutex_unlock(&file->f_dentry->d_inode->i_mutex);
 	return ret;
 }
 
@@ -709,6 +678,4 @@ const struct file_operations usbfs_devices_fops = {
 	.llseek =	usb_device_lseek,
 	.read =		usb_device_read,
 	.poll =		usb_device_poll,
-	.open =		usb_device_open,
-	.release =	usb_device_release,
 };
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index a678186f218f..3466fdc5bb11 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -122,7 +122,7 @@ static loff_t usbdev_lseek(struct file *file, loff_t offset, int orig)
 {
 	loff_t ret;
 
-	lock_kernel();
+	mutex_lock(&file->f_dentry->d_inode->i_mutex);
 
 	switch (orig) {
 	case 0:
@@ -138,7 +138,7 @@ static loff_t usbdev_lseek(struct file *file, loff_t offset, int orig)
 		ret = -EINVAL;
 	}
 
-	unlock_kernel();
+	mutex_unlock(&file->f_dentry->d_inode->i_mutex);
 	return ret;
 }
 
@@ -310,7 +310,8 @@ static struct async *async_getpending(struct dev_state *ps,
 
 static void snoop_urb(struct usb_device *udev,
 		void __user *userurb, int pipe, unsigned length,
-		int timeout_or_status, enum snoop_when when)
+		int timeout_or_status, enum snoop_when when,
+		unsigned char *data, unsigned data_len)
 {
 	static const char *types[] = {"isoc", "int", "ctrl", "bulk"};
 	static const char *dirs[] = {"out", "in"};
@@ -344,6 +345,11 @@ static void snoop_urb(struct usb_device *udev,
 					"status %d\n",
 					ep, t, d, length, timeout_or_status);
 	}
+
+	if (data && data_len > 0) {
+		print_hex_dump(KERN_DEBUG, "data: ", DUMP_PREFIX_NONE, 32, 1,
+			data, data_len, 1);
+	}
 }
 
 #define AS_CONTINUATION	1
@@ -410,7 +416,9 @@ static void async_completed(struct urb *urb)
 	}
 	snoop(&urb->dev->dev, "urb complete\n");
 	snoop_urb(urb->dev, as->userurb, urb->pipe, urb->actual_length,
-			as->status, COMPLETE);
+			as->status, COMPLETE,
+			((urb->transfer_flags & URB_DIR_MASK) == USB_DIR_OUT) ?
+				NULL : urb->transfer_buffer, urb->actual_length);
 	if (as->status < 0 && as->bulk_addr && as->status != -ECONNRESET &&
 			as->status != -ENOENT)
 		cancel_bulk_urbs(ps, as->bulk_addr);
@@ -653,20 +661,20 @@ static int usbdev_open(struct inode *inode, struct file *file)
 	const struct cred *cred = current_cred();
 	int ret;
 
-	lock_kernel();
-	/* Protect against simultaneous removal or release */
-	mutex_lock(&usbfs_mutex);
-
 	ret = -ENOMEM;
 	ps = kmalloc(sizeof(struct dev_state), GFP_KERNEL);
 	if (!ps)
-		goto out;
+		goto out_free_ps;
 
 	ret = -ENODEV;
 
+	/* Protect against simultaneous removal or release */
+	mutex_lock(&usbfs_mutex);
+
 	/* usbdev device-node */
 	if (imajor(inode) == USB_DEVICE_MAJOR)
 		dev = usbdev_lookup_by_devt(inode->i_rdev);
+
 #ifdef CONFIG_USB_DEVICEFS
 	/* procfs file */
 	if (!dev) {
@@ -678,13 +686,19 @@ static int usbdev_open(struct inode *inode, struct file *file)
 			dev = NULL;
 	}
 #endif
-	if (!dev || dev->state == USB_STATE_NOTATTACHED)
-		goto out;
+	mutex_unlock(&usbfs_mutex);
+
+	if (!dev)
+		goto out_free_ps;
+
+	usb_lock_device(dev);
+	if (dev->state == USB_STATE_NOTATTACHED)
+		goto out_unlock_device;
+
 	ret = usb_autoresume_device(dev);
 	if (ret)
-		goto out;
+		goto out_unlock_device;
 
-	ret = 0;
 	ps->dev = dev;
 	ps->file = file;
 	spin_lock_init(&ps->lock);
@@ -702,15 +716,16 @@ static int usbdev_open(struct inode *inode, struct file *file)
 	smp_wmb();
 	list_add_tail(&ps->list, &dev->filelist);
 	file->private_data = ps;
+	usb_unlock_device(dev);
 	snoop(&dev->dev, "opened by process %d: %s\n", task_pid_nr(current),
 			current->comm);
- out:
-	if (ret) {
-		kfree(ps);
-		usb_put_dev(dev);
-	}
-	mutex_unlock(&usbfs_mutex);
-	unlock_kernel();
+	return ret;
+
+ out_unlock_device:
+	usb_unlock_device(dev);
+	usb_put_dev(dev);
+ out_free_ps:
+	kfree(ps);
 	return ret;
 }
 
@@ -724,10 +739,7 @@ static int usbdev_release(struct inode *inode, struct file *file)
 	usb_lock_device(dev);
 	usb_hub_release_all_ports(dev, ps);
 
-	/* Protect against simultaneous open */
-	mutex_lock(&usbfs_mutex);
 	list_del_init(&ps->list);
-	mutex_unlock(&usbfs_mutex);
 
 	for (ifnum = 0; ps->ifclaimed && ifnum < 8*sizeof(ps->ifclaimed);
 			ifnum++) {
@@ -770,6 +782,13 @@ static int proc_control(struct dev_state *ps, void __user *arg)
 	if (!tbuf)
 		return -ENOMEM;
 	tmo = ctrl.timeout;
+	snoop(&dev->dev, "control urb: bRequestType=%02x "
+		"bRequest=%02x wValue=%04x "
+		"wIndex=%04x wLength=%04x\n",
+		ctrl.bRequestType, ctrl.bRequest,
+		__le16_to_cpup(&ctrl.wValue),
+		__le16_to_cpup(&ctrl.wIndex),
+		__le16_to_cpup(&ctrl.wLength));
 	if (ctrl.bRequestType & 0x80) {
 		if (ctrl.wLength && !access_ok(VERIFY_WRITE, ctrl.data,
 					       ctrl.wLength)) {
@@ -777,15 +796,15 @@ static int proc_control(struct dev_state *ps, void __user *arg)
 			return -EINVAL;
 		}
 		pipe = usb_rcvctrlpipe(dev, 0);
-		snoop_urb(dev, NULL, pipe, ctrl.wLength, tmo, SUBMIT);
+		snoop_urb(dev, NULL, pipe, ctrl.wLength, tmo, SUBMIT, NULL, 0);
 
 		usb_unlock_device(dev);
 		i = usb_control_msg(dev, pipe, ctrl.bRequest,
 				    ctrl.bRequestType, ctrl.wValue, ctrl.wIndex,
 				    tbuf, ctrl.wLength, tmo);
 		usb_lock_device(dev);
-		snoop_urb(dev, NULL, pipe, max(i, 0), min(i, 0), COMPLETE);
-
+		snoop_urb(dev, NULL, pipe, max(i, 0), min(i, 0), COMPLETE,
+			tbuf, i);
 		if ((i > 0) && ctrl.wLength) {
 			if (copy_to_user(ctrl.data, tbuf, i)) {
 				free_page((unsigned long)tbuf);
@@ -800,14 +819,15 @@ static int proc_control(struct dev_state *ps, void __user *arg)
 			}
 		}
 		pipe = usb_sndctrlpipe(dev, 0);
-		snoop_urb(dev, NULL, pipe, ctrl.wLength, tmo, SUBMIT);
+		snoop_urb(dev, NULL, pipe, ctrl.wLength, tmo, SUBMIT,
+			tbuf, ctrl.wLength);
 
 		usb_unlock_device(dev);
 		i = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), ctrl.bRequest,
 				    ctrl.bRequestType, ctrl.wValue, ctrl.wIndex,
 				    tbuf, ctrl.wLength, tmo);
 		usb_lock_device(dev);
-		snoop_urb(dev, NULL, pipe, max(i, 0), min(i, 0), COMPLETE);
+		snoop_urb(dev, NULL, pipe, max(i, 0), min(i, 0), COMPLETE, NULL, 0);
 	}
 	free_page((unsigned long)tbuf);
 	if (i < 0 && i != -EPIPE) {
@@ -853,12 +873,12 @@ static int proc_bulk(struct dev_state *ps, void __user *arg)
 			kfree(tbuf);
 			return -EINVAL;
 		}
-		snoop_urb(dev, NULL, pipe, len1, tmo, SUBMIT);
+		snoop_urb(dev, NULL, pipe, len1, tmo, SUBMIT, NULL, 0);
 
 		usb_unlock_device(dev);
 		i = usb_bulk_msg(dev, pipe, tbuf, len1, &len2, tmo);
 		usb_lock_device(dev);
-		snoop_urb(dev, NULL, pipe, len2, i, COMPLETE);
+		snoop_urb(dev, NULL, pipe, len2, i, COMPLETE, tbuf, len2);
 
 		if (!i && len2) {
 			if (copy_to_user(bulk.data, tbuf, len2)) {
@@ -873,12 +893,12 @@ static int proc_bulk(struct dev_state *ps, void __user *arg)
 				return -EFAULT;
 			}
 		}
-		snoop_urb(dev, NULL, pipe, len1, tmo, SUBMIT);
+		snoop_urb(dev, NULL, pipe, len1, tmo, SUBMIT, tbuf, len1);
 
 		usb_unlock_device(dev);
 		i = usb_bulk_msg(dev, pipe, tbuf, len1, &len2, tmo);
 		usb_lock_device(dev);
-		snoop_urb(dev, NULL, pipe, len2, i, COMPLETE);
+		snoop_urb(dev, NULL, pipe, len2, i, COMPLETE, NULL, 0);
 	}
 	kfree(tbuf);
 	if (i < 0)
@@ -1097,6 +1117,13 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 			is_in = 0;
 			uurb->endpoint &= ~USB_DIR_IN;
 		}
+		snoop(&ps->dev->dev, "control urb: bRequestType=%02x "
+			"bRequest=%02x wValue=%04x "
+			"wIndex=%04x wLength=%04x\n",
+			dr->bRequestType, dr->bRequest,
+			__le16_to_cpup(&dr->wValue),
+			__le16_to_cpup(&dr->wIndex),
+			__le16_to_cpup(&dr->wLength));
 		break;
 
 	case USBDEVFS_URB_TYPE_BULK:
@@ -1104,13 +1131,25 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 		case USB_ENDPOINT_XFER_CONTROL:
 		case USB_ENDPOINT_XFER_ISOC:
 			return -EINVAL;
-		/* allow single-shot interrupt transfers, at bogus rates */
+		case USB_ENDPOINT_XFER_INT:
+			/* allow single-shot interrupt transfers */
+			uurb->type = USBDEVFS_URB_TYPE_INTERRUPT;
+			goto interrupt_urb;
 		}
 		uurb->number_of_packets = 0;
 		if (uurb->buffer_length > MAX_USBFS_BUFFER_SIZE)
 			return -EINVAL;
 		break;
 
+	case USBDEVFS_URB_TYPE_INTERRUPT:
+		if (!usb_endpoint_xfer_int(&ep->desc))
+			return -EINVAL;
+ interrupt_urb:
+		uurb->number_of_packets = 0;
+		if (uurb->buffer_length > MAX_USBFS_BUFFER_SIZE)
+			return -EINVAL;
+		break;
+
 	case USBDEVFS_URB_TYPE_ISO:
 		/* arbitrary limit */
 		if (uurb->number_of_packets < 1 ||
@@ -1143,14 +1182,6 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 		uurb->buffer_length = totlen;
 		break;
 
-	case USBDEVFS_URB_TYPE_INTERRUPT:
-		uurb->number_of_packets = 0;
-		if (!usb_endpoint_xfer_int(&ep->desc))
-			return -EINVAL;
-		if (uurb->buffer_length > MAX_USBFS_BUFFER_SIZE)
-			return -EINVAL;
-		break;
-
 	default:
 		return -EINVAL;
 	}
@@ -1176,6 +1207,13 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 			free_async(as);
 			return -ENOMEM;
 		}
+		/* Isochronous input data may end up being discontiguous
+		 * if some of the packets are short.  Clear the buffer so
+		 * that the gaps don't leak kernel data to userspace.
+		 */
+		if (is_in && uurb->type == USBDEVFS_URB_TYPE_ISO)
+			memset(as->urb->transfer_buffer, 0,
+					uurb->buffer_length);
 	}
 	as->urb->dev = ps->dev;
 	as->urb->pipe = (uurb->type << 30) |
@@ -1236,7 +1274,9 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 		}
 	}
 	snoop_urb(ps->dev, as->userurb, as->urb->pipe,
-			as->urb->transfer_buffer_length, 0, SUBMIT);
+			as->urb->transfer_buffer_length, 0, SUBMIT,
+			is_in ? NULL : as->urb->transfer_buffer,
+				uurb->buffer_length);
 	async_newpending(as);
 
 	if (usb_endpoint_xfer_bulk(&ep->desc)) {
@@ -1274,7 +1314,7 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb,
 		dev_printk(KERN_DEBUG, &ps->dev->dev,
 			   "usbfs: usb_submit_urb returned %d\n", ret);
 		snoop_urb(ps->dev, as->userurb, as->urb->pipe,
-				0, ret, COMPLETE);
+				0, ret, COMPLETE, NULL, 0);
 		async_removepending(as);
 		free_async(as);
 		return ret;
@@ -1312,10 +1352,14 @@ static int processcompl(struct async *as, void __user * __user *arg)
 	void __user *addr = as->userurb;
 	unsigned int i;
 
-	if (as->userbuffer && urb->actual_length)
-		if (copy_to_user(as->userbuffer, urb->transfer_buffer,
-				 urb->actual_length))
+	if (as->userbuffer && urb->actual_length) {
+		if (urb->number_of_packets > 0)		/* Isochronous */
+			i = urb->transfer_buffer_length;
+		else					/* Non-Isoc */
+			i = urb->actual_length;
+		if (copy_to_user(as->userbuffer, urb->transfer_buffer, i))
 			goto err_out;
+	}
 	if (put_user(as->status, &userurb->status))
 		goto err_out;
 	if (put_user(urb->actual_length, &userurb->actual_length))
@@ -1628,7 +1672,10 @@ static int proc_ioctl(struct dev_state *ps, struct usbdevfs_ioctl *ctl)
 		if (driver == NULL || driver->ioctl == NULL) {
 			retval = -ENOTTY;
 		} else {
+			/* keep API that guarantees BKL */
+			lock_kernel();
 			retval = driver->ioctl(intf, ctl->ioctl_code, buf);
+			unlock_kernel();
 			if (retval == -ENOIOCTLCMD)
 				retval = -ENOTTY;
 		}
@@ -1711,6 +1758,7 @@ static long usbdev_do_ioctl(struct file *file, unsigned int cmd,
 
 	if (!(file->f_mode & FMODE_WRITE))
 		return -EPERM;
+
 	usb_lock_device(dev);
 	if (!connected(ps)) {
 		usb_unlock_device(dev);
@@ -1877,9 +1925,7 @@ static long usbdev_ioctl(struct file *file, unsigned int cmd,
 {
 	int ret;
 
-	lock_kernel();
 	ret = usbdev_do_ioctl(file, cmd, (void __user *)arg);
-	unlock_kernel();
 
 	return ret;
 }
@@ -1890,9 +1936,7 @@ static long usbdev_compat_ioctl(struct file *file, unsigned int cmd,
 {
 	int ret;
 
-	lock_kernel();
 	ret = usbdev_do_ioctl(file, cmd, compat_ptr(arg));
-	unlock_kernel();
 
 	return ret;
 }
diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index f2f055eb6831..f3c233806fa3 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -25,7 +25,7 @@
 #include <linux/device.h>
 #include <linux/usb.h>
 #include <linux/usb/quirks.h>
-#include <linux/workqueue.h>
+#include <linux/pm_runtime.h>
 #include "hcd.h"
 #include "usb.h"
 
@@ -221,7 +221,7 @@ static int usb_probe_device(struct device *dev)
 {
 	struct usb_device_driver *udriver = to_usb_device_driver(dev->driver);
 	struct usb_device *udev = to_usb_device(dev);
-	int error = -ENODEV;
+	int error = 0;
 
 	dev_dbg(dev, "%s\n", __func__);
 
@@ -230,18 +230,23 @@ static int usb_probe_device(struct device *dev)
 	/* The device should always appear to be in use
 	 * unless the driver suports autosuspend.
 	 */
-	udev->pm_usage_cnt = !(udriver->supports_autosuspend);
+	if (!udriver->supports_autosuspend)
+		error = usb_autoresume_device(udev);
 
-	error = udriver->probe(udev);
+	if (!error)
+		error = udriver->probe(udev);
 	return error;
 }
 
 /* called from driver core with dev locked */
 static int usb_unbind_device(struct device *dev)
 {
+	struct usb_device *udev = to_usb_device(dev);
 	struct usb_device_driver *udriver = to_usb_device_driver(dev->driver);
 
-	udriver->disconnect(to_usb_device(dev));
+	udriver->disconnect(udev);
+	if (!udriver->supports_autosuspend)
+		usb_autosuspend_device(udev);
 	return 0;
 }
 
@@ -274,60 +279,62 @@ static int usb_probe_interface(struct device *dev)
 	intf->needs_binding = 0;
 
 	if (usb_device_is_owned(udev))
-		return -ENODEV;
+		return error;
 
 	if (udev->authorized == 0) {
 		dev_err(&intf->dev, "Device is not authorized for usage\n");
-		return -ENODEV;
+		return error;
 	}
 
 	id = usb_match_id(intf, driver->id_table);
 	if (!id)
 		id = usb_match_dynamic_id(intf, driver);
-	if (id) {
-		dev_dbg(dev, "%s - got id\n", __func__);
-
-		error = usb_autoresume_device(udev);
-		if (error)
-			return error;
+	if (!id)
+		return error;
 
-		/* Interface "power state" doesn't correspond to any hardware
-		 * state whatsoever.  We use it to record when it's bound to
-		 * a driver that may start I/0:  it's not frozen/quiesced.
-		 */
-		mark_active(intf);
-		intf->condition = USB_INTERFACE_BINDING;
+	dev_dbg(dev, "%s - got id\n", __func__);
 
-		/* The interface should always appear to be in use
-		 * unless the driver suports autosuspend.
-		 */
-		atomic_set(&intf->pm_usage_cnt, !driver->supports_autosuspend);
-
-		/* Carry out a deferred switch to altsetting 0 */
-		if (intf->needs_altsetting0) {
-			error = usb_set_interface(udev, intf->altsetting[0].
-					desc.bInterfaceNumber, 0);
-			if (error < 0)
-				goto err;
+	error = usb_autoresume_device(udev);
+	if (error)
+		return error;
 
-			intf->needs_altsetting0 = 0;
-		}
+	intf->condition = USB_INTERFACE_BINDING;
 
-		error = driver->probe(intf, id);
-		if (error)
+	/* Bound interfaces are initially active.  They are
+	 * runtime-PM-enabled only if the driver has autosuspend support.
+	 * They are sensitive to their children's power states.
+	 */
+	pm_runtime_set_active(dev);
+	pm_suspend_ignore_children(dev, false);
+	if (driver->supports_autosuspend)
+		pm_runtime_enable(dev);
+
+	/* Carry out a deferred switch to altsetting 0 */
+	if (intf->needs_altsetting0) {
+		error = usb_set_interface(udev, intf->altsetting[0].
+				desc.bInterfaceNumber, 0);
+		if (error < 0)
 			goto err;
-
-		intf->condition = USB_INTERFACE_BOUND;
-		usb_autosuspend_device(udev);
+		intf->needs_altsetting0 = 0;
 	}
 
+	error = driver->probe(intf, id);
+	if (error)
+		goto err;
+
+	intf->condition = USB_INTERFACE_BOUND;
+	usb_autosuspend_device(udev);
 	return error;
 
-err:
-	mark_quiesced(intf);
+ err:
 	intf->needs_remote_wakeup = 0;
 	intf->condition = USB_INTERFACE_UNBOUND;
 	usb_cancel_queued_reset(intf);
+
+	/* Unbound interfaces are always runtime-PM-disabled and -suspended */
+	pm_runtime_disable(dev);
+	pm_runtime_set_suspended(dev);
+
 	usb_autosuspend_device(udev);
 	return error;
 }
@@ -377,9 +384,17 @@ static int usb_unbind_interface(struct device *dev)
 	usb_set_intfdata(intf, NULL);
 
 	intf->condition = USB_INTERFACE_UNBOUND;
-	mark_quiesced(intf);
 	intf->needs_remote_wakeup = 0;
 
+	/* Unbound interfaces are always runtime-PM-disabled and -suspended */
+	pm_runtime_disable(dev);
+	pm_runtime_set_suspended(dev);
+
+	/* Undo any residual pm_autopm_get_interface_* calls */
+	for (r = atomic_read(&intf->pm_usage_cnt); r > 0; --r)
+		usb_autopm_put_interface_no_suspend(intf);
+	atomic_set(&intf->pm_usage_cnt, 0);
+
 	if (!error)
 		usb_autosuspend_device(udev);
 
@@ -410,7 +425,6 @@ int usb_driver_claim_interface(struct usb_driver *driver,
 				struct usb_interface *iface, void *priv)
 {
 	struct device *dev = &iface->dev;
-	struct usb_device *udev = interface_to_usbdev(iface);
 	int retval = 0;
 
 	if (dev->driver)
@@ -420,11 +434,16 @@ int usb_driver_claim_interface(struct usb_driver *driver,
 	usb_set_intfdata(iface, priv);
 	iface->needs_binding = 0;
 
-	usb_pm_lock(udev);
 	iface->condition = USB_INTERFACE_BOUND;
-	mark_active(iface);
-	atomic_set(&iface->pm_usage_cnt, !driver->supports_autosuspend);
-	usb_pm_unlock(udev);
+
+	/* Bound interfaces are initially active.  They are
+	 * runtime-PM-enabled only if the driver has autosuspend support.
+	 * They are sensitive to their children's power states.
+	 */
+	pm_runtime_set_active(dev);
+	pm_suspend_ignore_children(dev, false);
+	if (driver->supports_autosuspend)
+		pm_runtime_enable(dev);
 
 	/* if interface was already added, bind now; else let
 	 * the future device_add() bind it, bypassing probe()
@@ -470,10 +489,10 @@ void usb_driver_release_interface(struct usb_driver *driver,
 	if (device_is_registered(dev)) {
 		device_release_driver(dev);
 	} else {
-		down(&dev->sem);
+		device_lock(dev);
 		usb_unbind_interface(dev);
 		dev->driver = NULL;
-		up(&dev->sem);
+		device_unlock(dev);
 	}
 }
 EXPORT_SYMBOL_GPL(usb_driver_release_interface);
@@ -691,9 +710,6 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
 	struct usb_device *usb_dev;
 
-	/* driver is often null here; dev_dbg() would oops */
-	pr_debug("usb %s: uevent\n", dev_name(dev));
-
 	if (is_usb_device(dev)) {
 		usb_dev = to_usb_device(dev);
 	} else if (is_usb_interface(dev)) {
@@ -705,6 +721,7 @@ static int usb_uevent(struct device *dev, struct kobj_uevent_env *env)
 	}
 
 	if (usb_dev->devnum < 0) {
+		/* driver is often null here; dev_dbg() would oops */
 		pr_debug("usb %s: already deleted?\n", dev_name(dev));
 		return -ENODEV;
 	}
@@ -983,7 +1000,6 @@ static void do_unbind_rebind(struct usb_device *udev, int action)
 	}
 }
 
-/* Caller has locked udev's pm_mutex */
 static int usb_suspend_device(struct usb_device *udev, pm_message_t msg)
 {
 	struct usb_device_driver	*udriver;
@@ -1007,7 +1023,6 @@ static int usb_suspend_device(struct usb_device *udev, pm_message_t msg)
 	return status;
 }
 
-/* Caller has locked udev's pm_mutex */
 static int usb_resume_device(struct usb_device *udev, pm_message_t msg)
 {
 	struct usb_device_driver	*udriver;
@@ -1041,27 +1056,20 @@ static int usb_resume_device(struct usb_device *udev, pm_message_t msg)
 	return status;
 }
 
-/* Caller has locked intf's usb_device's pm mutex */
 static int usb_suspend_interface(struct usb_device *udev,
 		struct usb_interface *intf, pm_message_t msg)
 {
 	struct usb_driver	*driver;
 	int			status = 0;
 
-	/* with no hardware, USB interfaces only use FREEZE and ON states */
-	if (udev->state == USB_STATE_NOTATTACHED || !is_active(intf))
-		goto done;
-
-	/* This can happen; see usb_driver_release_interface() */
-	if (intf->condition == USB_INTERFACE_UNBOUND)
+	if (udev->state == USB_STATE_NOTATTACHED ||
+			intf->condition == USB_INTERFACE_UNBOUND)
 		goto done;
 	driver = to_usb_driver(intf->dev.driver);
 
 	if (driver->suspend) {
 		status = driver->suspend(intf, msg);
-		if (status == 0)
-			mark_quiesced(intf);
-		else if (!(msg.event & PM_EVENT_AUTO))
+		if (status && !(msg.event & PM_EVENT_AUTO))
 			dev_err(&intf->dev, "%s error %d\n",
 					"suspend", status);
 	} else {
@@ -1069,7 +1077,6 @@ static int usb_suspend_interface(struct usb_device *udev,
 		intf->needs_binding = 1;
 		dev_warn(&intf->dev, "no %s for driver %s?\n",
 				"suspend", driver->name);
-		mark_quiesced(intf);
 	}
 
  done:
@@ -1077,14 +1084,13 @@ static int usb_suspend_interface(struct usb_device *udev,
 	return status;
 }
 
-/* Caller has locked intf's usb_device's pm_mutex */
 static int usb_resume_interface(struct usb_device *udev,
 		struct usb_interface *intf, pm_message_t msg, int reset_resume)
 {
 	struct usb_driver	*driver;
 	int			status = 0;
 
-	if (udev->state == USB_STATE_NOTATTACHED || is_active(intf))
+	if (udev->state == USB_STATE_NOTATTACHED)
 		goto done;
 
 	/* Don't let autoresume interfere with unbinding */
@@ -1135,90 +1141,11 @@ static int usb_resume_interface(struct usb_device *udev,
 
 done:
 	dev_vdbg(&intf->dev, "%s: status %d\n", __func__, status);
-	if (status == 0 && intf->condition == USB_INTERFACE_BOUND)
-		mark_active(intf);
 
 	/* Later we will unbind the driver and/or reprobe, if necessary */
 	return status;
 }
 
-#ifdef	CONFIG_USB_SUSPEND
-
-/* Internal routine to check whether we may autosuspend a device. */
-static int autosuspend_check(struct usb_device *udev, int reschedule)
-{
-	int			i;
-	struct usb_interface	*intf;
-	unsigned long		suspend_time, j;
-
-	/* For autosuspend, fail fast if anything is in use or autosuspend
-	 * is disabled.  Also fail if any interfaces require remote wakeup
-	 * but it isn't available.
-	 */
-	if (udev->pm_usage_cnt > 0)
-		return -EBUSY;
-	if (udev->autosuspend_delay < 0 || udev->autosuspend_disabled)
-		return -EPERM;
-
-	suspend_time = udev->last_busy + udev->autosuspend_delay;
-	if (udev->actconfig) {
-		for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) {
-			intf = udev->actconfig->interface[i];
-			if (!is_active(intf))
-				continue;
-			if (atomic_read(&intf->pm_usage_cnt) > 0)
-				return -EBUSY;
-			if (intf->needs_remote_wakeup &&
-					!udev->do_remote_wakeup) {
-				dev_dbg(&udev->dev, "remote wakeup needed "
-						"for autosuspend\n");
-				return -EOPNOTSUPP;
-			}
-
-			/* Don't allow autosuspend if the device will need
-			 * a reset-resume and any of its interface drivers
-			 * doesn't include support.
-			 */
-			if (udev->quirks & USB_QUIRK_RESET_RESUME) {
-				struct usb_driver *driver;
-
-				driver = to_usb_driver(intf->dev.driver);
-				if (!driver->reset_resume ||
-				    intf->needs_remote_wakeup)
-					return -EOPNOTSUPP;
-			}
-		}
-	}
-
-	/* If everything is okay but the device hasn't been idle for long
-	 * enough, queue a delayed autosuspend request.  If the device
-	 * _has_ been idle for long enough and the reschedule flag is set,
-	 * likewise queue a delayed (1 second) autosuspend request.
-	 */
-	j = jiffies;
-	if (time_before(j, suspend_time))
-		reschedule = 1;
-	else
-		suspend_time = j + HZ;
-	if (reschedule) {
-		if (!timer_pending(&udev->autosuspend.timer)) {
-			queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend,
-				round_jiffies_up_relative(suspend_time - j));
-		}
-		return -EAGAIN;
-	}
-	return 0;
-}
-
-#else
-
-static inline int autosuspend_check(struct usb_device *udev, int reschedule)
-{
-	return 0;
-}
-
-#endif	/* CONFIG_USB_SUSPEND */
-
 /**
  * usb_suspend_both - suspend a USB device and its interfaces
  * @udev: the usb_device to suspend
@@ -1230,27 +1157,12 @@ static inline int autosuspend_check(struct usb_device *udev, int reschedule)
  * all the interfaces which were suspended are resumed so that they remain
  * in the same state as the device.
  *
- * If an autosuspend is in progress the routine checks first to make sure
- * that neither the device itself or any of its active interfaces is in use
- * (pm_usage_cnt is greater than 0).  If they are, the autosuspend fails.
- *
- * If the suspend succeeds, the routine recursively queues an autosuspend
- * request for @udev's parent device, thereby propagating the change up
- * the device tree.  If all of the parent's children are now suspended,
- * the parent will autosuspend in turn.
- *
- * The suspend method calls are subject to mutual exclusion under control
- * of @udev's pm_mutex.  Many of these calls are also under the protection
- * of @udev's device lock (including all requests originating outside the
- * USB subsystem), but autosuspend requests generated by a child device or
- * interface driver may not be.  Usbcore will insure that the method calls
- * do not arrive during bind, unbind, or reset operations.  However, drivers
- * must be prepared to handle suspend calls arriving at unpredictable times.
- * The only way to block such calls is to do an autoresume (preventing
- * autosuspends) while holding @udev's device lock (preventing outside
- * suspends).
- *
- * The caller must hold @udev->pm_mutex.
+ * Autosuspend requests originating from a child device or an interface
+ * driver may be made without the protection of @udev's device lock, but
+ * all other suspend calls will hold the lock.  Usbcore will insure that
+ * method calls do not arrive during bind, unbind, or reset operations.
+ * However drivers must be prepared to handle suspend calls arriving at
+ * unpredictable times.
  *
  * This routine can run only in process context.
  */
@@ -1259,20 +1171,11 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
 	int			status = 0;
 	int			i = 0;
 	struct usb_interface	*intf;
-	struct usb_device	*parent = udev->parent;
 
 	if (udev->state == USB_STATE_NOTATTACHED ||
 			udev->state == USB_STATE_SUSPENDED)
 		goto done;
 
-	udev->do_remote_wakeup = device_may_wakeup(&udev->dev);
-
-	if (msg.event & PM_EVENT_AUTO) {
-		status = autosuspend_check(udev, 0);
-		if (status < 0)
-			goto done;
-	}
-
 	/* Suspend all the interfaces and then udev itself */
 	if (udev->actconfig) {
 		for (; i < udev->actconfig->desc.bNumInterfaces; i++) {
@@ -1287,35 +1190,21 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
 
 	/* If the suspend failed, resume interfaces that did get suspended */
 	if (status != 0) {
-		pm_message_t msg2;
-
-		msg2.event = msg.event ^ (PM_EVENT_SUSPEND | PM_EVENT_RESUME);
+		msg.event ^= (PM_EVENT_SUSPEND | PM_EVENT_RESUME);
 		while (--i >= 0) {
 			intf = udev->actconfig->interface[i];
-			usb_resume_interface(udev, intf, msg2, 0);
+			usb_resume_interface(udev, intf, msg, 0);
 		}
 
-		/* Try another autosuspend when the interfaces aren't busy */
-		if (msg.event & PM_EVENT_AUTO)
-			autosuspend_check(udev, status == -EBUSY);
-
-	/* If the suspend succeeded then prevent any more URB submissions,
-	 * flush any outstanding URBs, and propagate the suspend up the tree.
+	/* If the suspend succeeded then prevent any more URB submissions
+	 * and flush any outstanding URBs.
 	 */
 	} else {
-		cancel_delayed_work(&udev->autosuspend);
 		udev->can_submit = 0;
 		for (i = 0; i < 16; ++i) {
 			usb_hcd_flush_endpoint(udev, udev->ep_out[i]);
 			usb_hcd_flush_endpoint(udev, udev->ep_in[i]);
 		}
-
-		/* If this is just a FREEZE or a PRETHAW, udev might
-		 * not really be suspended.  Only true suspends get
-		 * propagated up the device tree.
-		 */
-		if (parent && udev->state == USB_STATE_SUSPENDED)
-			usb_autosuspend_device(parent);
 	}
 
  done:
@@ -1332,23 +1221,12 @@ static int usb_suspend_both(struct usb_device *udev, pm_message_t msg)
  * the resume method for @udev and then calls the resume methods for all
  * the interface drivers in @udev.
  *
- * Before starting the resume, the routine calls itself recursively for
- * the parent device of @udev, thereby propagating the change up the device
- * tree and assuring that @udev will be able to resume.  If the parent is
- * unable to resume successfully, the routine fails.
- *
- * The resume method calls are subject to mutual exclusion under control
- * of @udev's pm_mutex.  Many of these calls are also under the protection
- * of @udev's device lock (including all requests originating outside the
- * USB subsystem), but autoresume requests generated by a child device or
- * interface driver may not be.  Usbcore will insure that the method calls
- * do not arrive during bind, unbind, or reset operations.  However, drivers
- * must be prepared to handle resume calls arriving at unpredictable times.
- * The only way to block such calls is to do an autoresume (preventing
- * other autoresumes) while holding @udev's device lock (preventing outside
- * resumes).
- *
- * The caller must hold @udev->pm_mutex.
+ * Autoresume requests originating from a child device or an interface
+ * driver may be made without the protection of @udev's device lock, but
+ * all other resume calls will hold the lock.  Usbcore will insure that
+ * method calls do not arrive during bind, unbind, or reset operations.
+ * However drivers must be prepared to handle resume calls arriving at
+ * unpredictable times.
  *
  * This routine can run only in process context.
  */
@@ -1357,48 +1235,18 @@ static int usb_resume_both(struct usb_device *udev, pm_message_t msg)
 	int			status = 0;
 	int			i;
 	struct usb_interface	*intf;
-	struct usb_device	*parent = udev->parent;
 
-	cancel_delayed_work(&udev->autosuspend);
 	if (udev->state == USB_STATE_NOTATTACHED) {
 		status = -ENODEV;
 		goto done;
 	}
 	udev->can_submit = 1;
 
-	/* Propagate the resume up the tree, if necessary */
-	if (udev->state == USB_STATE_SUSPENDED) {
-		if (parent) {
-			status = usb_autoresume_device(parent);
-			if (status == 0) {
-				status = usb_resume_device(udev, msg);
-				if (status || udev->state ==
-						USB_STATE_NOTATTACHED) {
-					usb_autosuspend_device(parent);
-
-					/* It's possible usb_resume_device()
-					 * failed after the port was
-					 * unsuspended, causing udev to be
-					 * logically disconnected.  We don't
-					 * want usb_disconnect() to autosuspend
-					 * the parent again, so tell it that
-					 * udev disconnected while still
-					 * suspended. */
-					if (udev->state ==
-							USB_STATE_NOTATTACHED)
-						udev->discon_suspended = 1;
-				}
-			}
-		} else {
-
-			/* We can't progagate beyond the USB subsystem,
-			 * so if a root hub's controller is suspended
-			 * then we're stuck. */
-			status = usb_resume_device(udev, msg);
-		}
-	} else if (udev->reset_resume)
+	/* Resume the device */
+	if (udev->state == USB_STATE_SUSPENDED || udev->reset_resume)
 		status = usb_resume_device(udev, msg);
 
+	/* Resume the interfaces */
 	if (status == 0 && udev->actconfig) {
 		for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) {
 			intf = udev->actconfig->interface[i];
@@ -1414,55 +1262,94 @@ static int usb_resume_both(struct usb_device *udev, pm_message_t msg)
 	return status;
 }
 
-#ifdef CONFIG_USB_SUSPEND
+/* The device lock is held by the PM core */
+int usb_suspend(struct device *dev, pm_message_t msg)
+{
+	struct usb_device	*udev = to_usb_device(dev);
 
-/* Internal routine to adjust a device's usage counter and change
- * its autosuspend state.
- */
-static int usb_autopm_do_device(struct usb_device *udev, int inc_usage_cnt)
+	do_unbind_rebind(udev, DO_UNBIND);
+	udev->do_remote_wakeup = device_may_wakeup(&udev->dev);
+	return usb_suspend_both(udev, msg);
+}
+
+/* The device lock is held by the PM core */
+int usb_resume(struct device *dev, pm_message_t msg)
 {
-	int	status = 0;
+	struct usb_device	*udev = to_usb_device(dev);
+	int			status;
 
-	usb_pm_lock(udev);
-	udev->pm_usage_cnt += inc_usage_cnt;
-	WARN_ON(udev->pm_usage_cnt < 0);
-	if (inc_usage_cnt)
-		udev->last_busy = jiffies;
-	if (inc_usage_cnt >= 0 && udev->pm_usage_cnt > 0) {
-		if (udev->state == USB_STATE_SUSPENDED)
-			status = usb_resume_both(udev, PMSG_AUTO_RESUME);
-		if (status != 0)
-			udev->pm_usage_cnt -= inc_usage_cnt;
-		else if (inc_usage_cnt)
+	/* For PM complete calls, all we do is rebind interfaces */
+	if (msg.event == PM_EVENT_ON) {
+		if (udev->state != USB_STATE_NOTATTACHED)
+			do_unbind_rebind(udev, DO_REBIND);
+		status = 0;
+
+	/* For all other calls, take the device back to full power and
+	 * tell the PM core in case it was autosuspended previously.
+	 */
+	} else {
+		status = usb_resume_both(udev, msg);
+		if (status == 0) {
+			pm_runtime_disable(dev);
+			pm_runtime_set_active(dev);
+			pm_runtime_enable(dev);
 			udev->last_busy = jiffies;
-	} else if (inc_usage_cnt <= 0 && udev->pm_usage_cnt <= 0) {
-		status = usb_suspend_both(udev, PMSG_AUTO_SUSPEND);
+		}
 	}
-	usb_pm_unlock(udev);
+
+	/* Avoid PM error messages for devices disconnected while suspended
+	 * as we'll display regular disconnect messages just a bit later.
+	 */
+	if (status == -ENODEV)
+		status = 0;
 	return status;
 }
 
-/* usb_autosuspend_work - callback routine to autosuspend a USB device */
-void usb_autosuspend_work(struct work_struct *work)
-{
-	struct usb_device *udev =
-		container_of(work, struct usb_device, autosuspend.work);
+#endif /* CONFIG_PM */
+
+#ifdef CONFIG_USB_SUSPEND
 
-	usb_autopm_do_device(udev, 0);
+/**
+ * usb_enable_autosuspend - allow a USB device to be autosuspended
+ * @udev: the USB device which may be autosuspended
+ *
+ * This routine allows @udev to be autosuspended.  An autosuspend won't
+ * take place until the autosuspend_delay has elapsed and all the other
+ * necessary conditions are satisfied.
+ *
+ * The caller must hold @udev's device lock.
+ */
+int usb_enable_autosuspend(struct usb_device *udev)
+{
+	if (udev->autosuspend_disabled) {
+		udev->autosuspend_disabled = 0;
+		usb_autosuspend_device(udev);
+	}
+	return 0;
 }
+EXPORT_SYMBOL_GPL(usb_enable_autosuspend);
 
-/* usb_autoresume_work - callback routine to autoresume a USB device */
-void usb_autoresume_work(struct work_struct *work)
+/**
+ * usb_disable_autosuspend - prevent a USB device from being autosuspended
+ * @udev: the USB device which may not be autosuspended
+ *
+ * This routine prevents @udev from being autosuspended and wakes it up
+ * if it is already autosuspended.
+ *
+ * The caller must hold @udev's device lock.
+ */
+int usb_disable_autosuspend(struct usb_device *udev)
 {
-	struct usb_device *udev =
-		container_of(work, struct usb_device, autoresume);
+	int rc = 0;
 
-	/* Wake it up, let the drivers do their thing, and then put it
-	 * back to sleep.
-	 */
-	if (usb_autopm_do_device(udev, 1) == 0)
-		usb_autopm_do_device(udev, -1);
+	if (!udev->autosuspend_disabled) {
+		rc = usb_autoresume_device(udev);
+		if (rc == 0)
+			udev->autosuspend_disabled = 1;
+	}
+	return rc;
 }
+EXPORT_SYMBOL_GPL(usb_disable_autosuspend);
 
 /**
  * usb_autosuspend_device - delayed autosuspend of a USB device and its interfaces
@@ -1472,15 +1359,11 @@ void usb_autoresume_work(struct work_struct *work)
  * @udev and wants to allow it to autosuspend.  Examples would be when
  * @udev's device file in usbfs is closed or after a configuration change.
  *
- * @udev's usage counter is decremented.  If it or any of the usage counters
- * for an active interface is greater than 0, no autosuspend request will be
- * queued.  (If an interface driver does not support autosuspend then its
- * usage counter is permanently positive.)  Furthermore, if an interface
- * driver requires remote-wakeup capability during autosuspend but remote
- * wakeup is disabled, the autosuspend will fail.
+ * @udev's usage counter is decremented; if it drops to 0 and all the
+ * interfaces are inactive then a delayed autosuspend will be attempted.
+ * The attempt may fail (see autosuspend_check()).
  *
- * Often the caller will hold @udev's device lock, but this is not
- * necessary.
+ * The caller must hold @udev's device lock.
  *
  * This routine can run only in process context.
  */
@@ -1488,9 +1371,11 @@ void usb_autosuspend_device(struct usb_device *udev)
 {
 	int	status;
 
-	status = usb_autopm_do_device(udev, -1);
-	dev_vdbg(&udev->dev, "%s: cnt %d\n",
-			__func__, udev->pm_usage_cnt);
+	udev->last_busy = jiffies;
+	status = pm_runtime_put_sync(&udev->dev);
+	dev_vdbg(&udev->dev, "%s: cnt %d -> %d\n",
+			__func__, atomic_read(&udev->dev.power.usage_count),
+			status);
 }
 
 /**
@@ -1500,17 +1385,22 @@ void usb_autosuspend_device(struct usb_device *udev)
  * This routine should be called when a core subsystem thinks @udev may
  * be ready to autosuspend.
  *
- * @udev's usage counter left unchanged.  If it or any of the usage counters
- * for an active interface is greater than 0, or autosuspend is not allowed
- * for any other reason, no autosuspend request will be queued.
+ * @udev's usage counter left unchanged.  If it is 0 and all the interfaces
+ * are inactive then an autosuspend will be attempted.  The attempt may
+ * fail or be delayed.
+ *
+ * The caller must hold @udev's device lock.
  *
  * This routine can run only in process context.
  */
 void usb_try_autosuspend_device(struct usb_device *udev)
 {
-	usb_autopm_do_device(udev, 0);
-	dev_vdbg(&udev->dev, "%s: cnt %d\n",
-			__func__, udev->pm_usage_cnt);
+	int	status;
+
+	status = pm_runtime_idle(&udev->dev);
+	dev_vdbg(&udev->dev, "%s: cnt %d -> %d\n",
+			__func__, atomic_read(&udev->dev.power.usage_count),
+			status);
 }
 
 /**
@@ -1519,16 +1409,15 @@ void usb_try_autosuspend_device(struct usb_device *udev)
  *
  * This routine should be called when a core subsystem wants to use @udev
  * and needs to guarantee that it is not suspended.  No autosuspend will
- * occur until usb_autosuspend_device is called.  (Note that this will not
- * prevent suspend events originating in the PM core.)  Examples would be
- * when @udev's device file in usbfs is opened or when a remote-wakeup
+ * occur until usb_autosuspend_device() is called.  (Note that this will
+ * not prevent suspend events originating in the PM core.)  Examples would
+ * be when @udev's device file in usbfs is opened or when a remote-wakeup
  * request is received.
  *
  * @udev's usage counter is incremented to prevent subsequent autosuspends.
  * However if the autoresume fails then the usage counter is re-decremented.
  *
- * Often the caller will hold @udev's device lock, but this is not
- * necessary (and attempting it might cause deadlock).
+ * The caller must hold @udev's device lock.
  *
  * This routine can run only in process context.
  */
@@ -1536,42 +1425,14 @@ int usb_autoresume_device(struct usb_device *udev)
 {
 	int	status;
 
-	status = usb_autopm_do_device(udev, 1);
-	dev_vdbg(&udev->dev, "%s: status %d cnt %d\n",
-			__func__, status, udev->pm_usage_cnt);
-	return status;
-}
-
-/* Internal routine to adjust an interface's usage counter and change
- * its device's autosuspend state.
- */
-static int usb_autopm_do_interface(struct usb_interface *intf,
-		int inc_usage_cnt)
-{
-	struct usb_device	*udev = interface_to_usbdev(intf);
-	int			status = 0;
-
-	usb_pm_lock(udev);
-	if (intf->condition == USB_INTERFACE_UNBOUND)
-		status = -ENODEV;
-	else {
-		atomic_add(inc_usage_cnt, &intf->pm_usage_cnt);
-		udev->last_busy = jiffies;
-		if (inc_usage_cnt >= 0 &&
-				atomic_read(&intf->pm_usage_cnt) > 0) {
-			if (udev->state == USB_STATE_SUSPENDED)
-				status = usb_resume_both(udev,
-						PMSG_AUTO_RESUME);
-			if (status != 0)
-				atomic_sub(inc_usage_cnt, &intf->pm_usage_cnt);
-			else
-				udev->last_busy = jiffies;
-		} else if (inc_usage_cnt <= 0 &&
-				atomic_read(&intf->pm_usage_cnt) <= 0) {
-			status = usb_suspend_both(udev, PMSG_AUTO_SUSPEND);
-		}
-	}
-	usb_pm_unlock(udev);
+	status = pm_runtime_get_sync(&udev->dev);
+	if (status < 0)
+		pm_runtime_put_sync(&udev->dev);
+	dev_vdbg(&udev->dev, "%s: cnt %d -> %d\n",
+			__func__, atomic_read(&udev->dev.power.usage_count),
+			status);
+	if (status > 0)
+		status = 0;
 	return status;
 }
 
@@ -1585,34 +1446,25 @@ static int usb_autopm_do_interface(struct usb_interface *intf,
  * closed.
  *
  * The routine decrements @intf's usage counter.  When the counter reaches
- * 0, a delayed autosuspend request for @intf's device is queued.  When
- * the delay expires, if @intf->pm_usage_cnt is still <= 0 along with all
- * the other usage counters for the sibling interfaces and @intf's
- * usb_device, the device and all its interfaces will be autosuspended.
- *
- * Note that @intf->pm_usage_cnt is owned by the interface driver.  The
- * core will not change its value other than the increment and decrement
- * in usb_autopm_get_interface and usb_autopm_put_interface.  The driver
- * may use this simple counter-oriented discipline or may set the value
- * any way it likes.
+ * 0, a delayed autosuspend request for @intf's device is attempted.  The
+ * attempt may fail (see autosuspend_check()).
  *
  * If the driver has set @intf->needs_remote_wakeup then autosuspend will
  * take place only if the device's remote-wakeup facility is enabled.
  *
- * Suspend method calls queued by this routine can arrive at any time
- * while @intf is resumed and its usage counter is equal to 0.  They are
- * not protected by the usb_device's lock but only by its pm_mutex.
- * Drivers must provide their own synchronization.
- *
  * This routine can run only in process context.
  */
 void usb_autopm_put_interface(struct usb_interface *intf)
 {
-	int	status;
+	struct usb_device	*udev = interface_to_usbdev(intf);
+	int			status;
 
-	status = usb_autopm_do_interface(intf, -1);
-	dev_vdbg(&intf->dev, "%s: status %d cnt %d\n",
-			__func__, status, atomic_read(&intf->pm_usage_cnt));
+	udev->last_busy = jiffies;
+	atomic_dec(&intf->pm_usage_cnt);
+	status = pm_runtime_put_sync(&intf->dev);
+	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",
+			__func__, atomic_read(&intf->dev.power.usage_count),
+			status);
 }
 EXPORT_SYMBOL_GPL(usb_autopm_put_interface);
 
@@ -1620,11 +1472,11 @@ EXPORT_SYMBOL_GPL(usb_autopm_put_interface);
  * usb_autopm_put_interface_async - decrement a USB interface's PM-usage counter
  * @intf: the usb_interface whose counter should be decremented
  *
- * This routine does essentially the same thing as
- * usb_autopm_put_interface(): it decrements @intf's usage counter and
- * queues a delayed autosuspend request if the counter is <= 0.  The
- * difference is that it does not acquire the device's pm_mutex;
- * callers must handle all synchronization issues themselves.
+ * This routine does much the same thing as usb_autopm_put_interface():
+ * It decrements @intf's usage counter and schedules a delayed
+ * autosuspend request if the counter is <= 0.  The difference is that it
+ * does not perform any synchronization; callers should hold a private
+ * lock and handle all synchronization issues themselves.
  *
  * Typically a driver would call this routine during an URB's completion
  * handler, if no more URBs were pending.
@@ -1634,28 +1486,58 @@ EXPORT_SYMBOL_GPL(usb_autopm_put_interface);
 void usb_autopm_put_interface_async(struct usb_interface *intf)
 {
 	struct usb_device	*udev = interface_to_usbdev(intf);
+	unsigned long		last_busy;
 	int			status = 0;
 
-	if (intf->condition == USB_INTERFACE_UNBOUND) {
-		status = -ENODEV;
-	} else {
-		udev->last_busy = jiffies;
-		atomic_dec(&intf->pm_usage_cnt);
-		if (udev->autosuspend_disabled || udev->autosuspend_delay < 0)
-			status = -EPERM;
-		else if (atomic_read(&intf->pm_usage_cnt) <= 0 &&
-				!timer_pending(&udev->autosuspend.timer)) {
-			queue_delayed_work(ksuspend_usb_wq, &udev->autosuspend,
+	last_busy = udev->last_busy;
+	udev->last_busy = jiffies;
+	atomic_dec(&intf->pm_usage_cnt);
+	pm_runtime_put_noidle(&intf->dev);
+
+	if (!udev->autosuspend_disabled) {
+		/* Optimization: Don't schedule a delayed autosuspend if
+		 * the timer is already running and the expiration time
+		 * wouldn't change.
+		 *
+		 * We have to use the interface's timer.  Attempts to
+		 * schedule a suspend for the device would fail because
+		 * the interface is still active.
+		 */
+		if (intf->dev.power.timer_expires == 0 ||
+				round_jiffies_up(last_busy) !=
+				round_jiffies_up(jiffies)) {
+			status = pm_schedule_suspend(&intf->dev,
+					jiffies_to_msecs(
 					round_jiffies_up_relative(
-						udev->autosuspend_delay));
+						udev->autosuspend_delay)));
 		}
 	}
-	dev_vdbg(&intf->dev, "%s: status %d cnt %d\n",
-			__func__, status, atomic_read(&intf->pm_usage_cnt));
+	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",
+			__func__, atomic_read(&intf->dev.power.usage_count),
+			status);
 }
 EXPORT_SYMBOL_GPL(usb_autopm_put_interface_async);
 
 /**
+ * usb_autopm_put_interface_no_suspend - decrement a USB interface's PM-usage counter
+ * @intf: the usb_interface whose counter should be decremented
+ *
+ * This routine decrements @intf's usage counter but does not carry out an
+ * autosuspend.
+ *
+ * This routine can run in atomic context.
+ */
+void usb_autopm_put_interface_no_suspend(struct usb_interface *intf)
+{
+	struct usb_device	*udev = interface_to_usbdev(intf);
+
+	udev->last_busy = jiffies;
+	atomic_dec(&intf->pm_usage_cnt);
+	pm_runtime_put_noidle(&intf->dev);
+}
+EXPORT_SYMBOL_GPL(usb_autopm_put_interface_no_suspend);
+
+/**
  * usb_autopm_get_interface - increment a USB interface's PM-usage counter
  * @intf: the usb_interface whose counter should be incremented
  *
@@ -1667,25 +1549,8 @@ EXPORT_SYMBOL_GPL(usb_autopm_put_interface_async);
  * or @intf is unbound.  A typical example would be a character-device
  * driver when its device file is opened.
  *
- *
- * The routine increments @intf's usage counter.  (However if the
- * autoresume fails then the counter is re-decremented.)  So long as the
- * counter is greater than 0, autosuspend will not be allowed for @intf
- * or its usb_device.  When the driver is finished using @intf it should
- * call usb_autopm_put_interface() to decrement the usage counter and
- * queue a delayed autosuspend request (if the counter is <= 0).
- *
- *
- * Note that @intf->pm_usage_cnt is owned by the interface driver.  The
- * core will not change its value other than the increment and decrement
- * in usb_autopm_get_interface and usb_autopm_put_interface.  The driver
- * may use this simple counter-oriented discipline or may set the value
- * any way it likes.
- *
- * Resume method calls generated by this routine can arrive at any time
- * while @intf is suspended.  They are not protected by the usb_device's
- * lock but only by its pm_mutex.  Drivers must provide their own
- * synchronization.
+ * @intf's usage counter is incremented to prevent subsequent autosuspends.
+ * However if the autoresume fails then the counter is re-decremented.
  *
  * This routine can run only in process context.
  */
@@ -1693,9 +1558,16 @@ int usb_autopm_get_interface(struct usb_interface *intf)
 {
 	int	status;
 
-	status = usb_autopm_do_interface(intf, 1);
-	dev_vdbg(&intf->dev, "%s: status %d cnt %d\n",
-			__func__, status, atomic_read(&intf->pm_usage_cnt));
+	status = pm_runtime_get_sync(&intf->dev);
+	if (status < 0)
+		pm_runtime_put_sync(&intf->dev);
+	else
+		atomic_inc(&intf->pm_usage_cnt);
+	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",
+			__func__, atomic_read(&intf->dev.power.usage_count),
+			status);
+	if (status > 0)
+		status = 0;
 	return status;
 }
 EXPORT_SYMBOL_GPL(usb_autopm_get_interface);
@@ -1705,149 +1577,207 @@ EXPORT_SYMBOL_GPL(usb_autopm_get_interface);
  * @intf: the usb_interface whose counter should be incremented
  *
  * This routine does much the same thing as
- * usb_autopm_get_interface(): it increments @intf's usage counter and
- * queues an autoresume request if the result is > 0.  The differences
- * are that it does not acquire the device's pm_mutex (callers must
- * handle all synchronization issues themselves), and it does not
- * autoresume the device directly (it only queues a request).  After a
- * successful call, the device will generally not yet be resumed.
+ * usb_autopm_get_interface(): It increments @intf's usage counter and
+ * queues an autoresume request if the device is suspended.  The
+ * differences are that it does not perform any synchronization (callers
+ * should hold a private lock and handle all synchronization issues
+ * themselves), and it does not autoresume the device directly (it only
+ * queues a request).  After a successful call, the device may not yet be
+ * resumed.
  *
  * This routine can run in atomic context.
  */
 int usb_autopm_get_interface_async(struct usb_interface *intf)
 {
-	struct usb_device	*udev = interface_to_usbdev(intf);
-	int			status = 0;
+	int		status = 0;
+	enum rpm_status	s;
 
-	if (intf->condition == USB_INTERFACE_UNBOUND)
-		status = -ENODEV;
-	else {
+	/* Don't request a resume unless the interface is already suspending
+	 * or suspended.  Doing so would force a running suspend timer to be
+	 * cancelled.
+	 */
+	pm_runtime_get_noresume(&intf->dev);
+	s = ACCESS_ONCE(intf->dev.power.runtime_status);
+	if (s == RPM_SUSPENDING || s == RPM_SUSPENDED)
+		status = pm_request_resume(&intf->dev);
+
+	if (status < 0 && status != -EINPROGRESS)
+		pm_runtime_put_noidle(&intf->dev);
+	else
 		atomic_inc(&intf->pm_usage_cnt);
-		if (atomic_read(&intf->pm_usage_cnt) > 0 &&
-				udev->state == USB_STATE_SUSPENDED)
-			queue_work(ksuspend_usb_wq, &udev->autoresume);
-	}
-	dev_vdbg(&intf->dev, "%s: status %d cnt %d\n",
-			__func__, status, atomic_read(&intf->pm_usage_cnt));
+	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",
+			__func__, atomic_read(&intf->dev.power.usage_count),
+			status);
+	if (status > 0)
+		status = 0;
 	return status;
 }
 EXPORT_SYMBOL_GPL(usb_autopm_get_interface_async);
 
-#else
-
-void usb_autosuspend_work(struct work_struct *work)
-{}
-
-void usb_autoresume_work(struct work_struct *work)
-{}
-
-#endif /* CONFIG_USB_SUSPEND */
-
 /**
- * usb_external_suspend_device - external suspend of a USB device and its interfaces
- * @udev: the usb_device to suspend
- * @msg: Power Management message describing this state transition
+ * usb_autopm_get_interface_no_resume - increment a USB interface's PM-usage counter
+ * @intf: the usb_interface whose counter should be incremented
  *
- * This routine handles external suspend requests: ones not generated
- * internally by a USB driver (autosuspend) but rather coming from the user
- * (via sysfs) or the PM core (system sleep).  The suspend will be carried
- * out regardless of @udev's usage counter or those of its interfaces,
- * and regardless of whether or not remote wakeup is enabled.  Of course,
- * interface drivers still have the option of failing the suspend (if
- * there are unsuspended children, for example).
+ * This routine increments @intf's usage counter but does not carry out an
+ * autoresume.
  *
- * The caller must hold @udev's device lock.
+ * This routine can run in atomic context.
  */
-int usb_external_suspend_device(struct usb_device *udev, pm_message_t msg)
+void usb_autopm_get_interface_no_resume(struct usb_interface *intf)
 {
-	int	status;
+	struct usb_device	*udev = interface_to_usbdev(intf);
 
-	do_unbind_rebind(udev, DO_UNBIND);
-	usb_pm_lock(udev);
-	status = usb_suspend_both(udev, msg);
-	usb_pm_unlock(udev);
-	return status;
+	udev->last_busy = jiffies;
+	atomic_inc(&intf->pm_usage_cnt);
+	pm_runtime_get_noresume(&intf->dev);
 }
+EXPORT_SYMBOL_GPL(usb_autopm_get_interface_no_resume);
 
-/**
- * usb_external_resume_device - external resume of a USB device and its interfaces
- * @udev: the usb_device to resume
- * @msg: Power Management message describing this state transition
- *
- * This routine handles external resume requests: ones not generated
- * internally by a USB driver (autoresume) but rather coming from the user
- * (via sysfs), the PM core (system resume), or the device itself (remote
- * wakeup).  @udev's usage counter is unaffected.
- *
- * The caller must hold @udev's device lock.
- */
-int usb_external_resume_device(struct usb_device *udev, pm_message_t msg)
+/* Internal routine to check whether we may autosuspend a device. */
+static int autosuspend_check(struct usb_device *udev)
 {
-	int	status;
+	int			i;
+	struct usb_interface	*intf;
+	unsigned long		suspend_time, j;
 
-	usb_pm_lock(udev);
-	status = usb_resume_both(udev, msg);
-	udev->last_busy = jiffies;
-	usb_pm_unlock(udev);
-	if (status == 0)
-		do_unbind_rebind(udev, DO_REBIND);
+	/* Fail if autosuspend is disabled, or any interfaces are in use, or
+	 * any interface drivers require remote wakeup but it isn't available.
+	 */
+	udev->do_remote_wakeup = device_may_wakeup(&udev->dev);
+	if (udev->actconfig) {
+		for (i = 0; i < udev->actconfig->desc.bNumInterfaces; i++) {
+			intf = udev->actconfig->interface[i];
 
-	/* Now that the device is awake, we can start trying to autosuspend
-	 * it again. */
-	if (status == 0)
-		usb_try_autosuspend_device(udev);
-	return status;
+			/* We don't need to check interfaces that are
+			 * disabled for runtime PM.  Either they are unbound
+			 * or else their drivers don't support autosuspend
+			 * and so they are permanently active.
+			 */
+			if (intf->dev.power.disable_depth)
+				continue;
+			if (atomic_read(&intf->dev.power.usage_count) > 0)
+				return -EBUSY;
+			if (intf->needs_remote_wakeup &&
+					!udev->do_remote_wakeup) {
+				dev_dbg(&udev->dev, "remote wakeup needed "
+						"for autosuspend\n");
+				return -EOPNOTSUPP;
+			}
+
+			/* Don't allow autosuspend if the device will need
+			 * a reset-resume and any of its interface drivers
+			 * doesn't include support or needs remote wakeup.
+			 */
+			if (udev->quirks & USB_QUIRK_RESET_RESUME) {
+				struct usb_driver *driver;
+
+				driver = to_usb_driver(intf->dev.driver);
+				if (!driver->reset_resume ||
+						intf->needs_remote_wakeup)
+					return -EOPNOTSUPP;
+			}
+		}
+	}
+
+	/* If everything is okay but the device hasn't been idle for long
+	 * enough, queue a delayed autosuspend request.
+	 */
+	j = ACCESS_ONCE(jiffies);
+	suspend_time = udev->last_busy + udev->autosuspend_delay;
+	if (time_before(j, suspend_time)) {
+		pm_schedule_suspend(&udev->dev, jiffies_to_msecs(
+				round_jiffies_up_relative(suspend_time - j)));
+		return -EAGAIN;
+	}
+	return 0;
 }
 
-int usb_suspend(struct device *dev, pm_message_t msg)
+static int usb_runtime_suspend(struct device *dev)
 {
-	struct usb_device	*udev;
-
-	udev = to_usb_device(dev);
+	int	status = 0;
 
-	/* If udev is already suspended, we can skip this suspend and
-	 * we should also skip the upcoming system resume.  High-speed
-	 * root hubs are an exception; they need to resume whenever the
-	 * system wakes up in order for USB-PERSIST port handover to work
-	 * properly.
+	/* A USB device can be suspended if it passes the various autosuspend
+	 * checks.  Runtime suspend for a USB device means suspending all the
+	 * interfaces and then the device itself.
 	 */
-	if (udev->state == USB_STATE_SUSPENDED) {
-		if (udev->parent || udev->speed != USB_SPEED_HIGH)
-			udev->skip_sys_resume = 1;
-		return 0;
+	if (is_usb_device(dev)) {
+		struct usb_device	*udev = to_usb_device(dev);
+
+		if (autosuspend_check(udev) != 0)
+			return -EAGAIN;
+
+		status = usb_suspend_both(udev, PMSG_AUTO_SUSPEND);
+
+		/* If an interface fails the suspend, adjust the last_busy
+		 * time so that we don't get another suspend attempt right
+		 * away.
+		 */
+		if (status) {
+			udev->last_busy = jiffies +
+					(udev->autosuspend_delay == 0 ?
+						HZ/2 : 0);
+		}
+
+		/* Prevent the parent from suspending immediately after */
+		else if (udev->parent) {
+			udev->parent->last_busy = jiffies;
+		}
 	}
 
-	udev->skip_sys_resume = 0;
-	return usb_external_suspend_device(udev, msg);
+	/* Runtime suspend for a USB interface doesn't mean anything. */
+	return status;
 }
 
-int usb_resume(struct device *dev, pm_message_t msg)
+static int usb_runtime_resume(struct device *dev)
 {
-	struct usb_device	*udev;
-	int			status;
+	/* Runtime resume for a USB device means resuming both the device
+	 * and all its interfaces.
+	 */
+	if (is_usb_device(dev)) {
+		struct usb_device	*udev = to_usb_device(dev);
+		int			status;
 
-	udev = to_usb_device(dev);
+		status = usb_resume_both(udev, PMSG_AUTO_RESUME);
+		udev->last_busy = jiffies;
+		return status;
+	}
 
-	/* If udev->skip_sys_resume is set then udev was already suspended
-	 * when the system sleep started, so we don't want to resume it
-	 * during this system wakeup.
-	 */
-	if (udev->skip_sys_resume)
-		return 0;
-	status = usb_external_resume_device(udev, msg);
+	/* Runtime resume for a USB interface doesn't mean anything. */
+	return 0;
+}
 
-	/* Avoid PM error messages for devices disconnected while suspended
-	 * as we'll display regular disconnect messages just a bit later.
+static int usb_runtime_idle(struct device *dev)
+{
+	/* An idle USB device can be suspended if it passes the various
+	 * autosuspend checks.  An idle interface can be suspended at
+	 * any time.
 	 */
-	if (status == -ENODEV)
-		return 0;
-	return status;
+	if (is_usb_device(dev)) {
+		struct usb_device	*udev = to_usb_device(dev);
+
+		if (autosuspend_check(udev) != 0)
+			return 0;
+	}
+
+	pm_runtime_suspend(dev);
+	return 0;
 }
 
-#endif /* CONFIG_PM */
+static struct dev_pm_ops usb_bus_pm_ops = {
+	.runtime_suspend =	usb_runtime_suspend,
+	.runtime_resume =	usb_runtime_resume,
+	.runtime_idle =		usb_runtime_idle,
+};
+
+#else
+
+#define usb_bus_pm_ops	(*(struct dev_pm_ops *) NULL)
+
+#endif /* CONFIG_USB_SUSPEND */
 
 struct bus_type usb_bus_type = {
 	.name =		"usb",
 	.match =	usb_device_match,
 	.uevent =	usb_uevent,
+	.pm =		&usb_bus_pm_ops,
 };
diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index bfc6c2eea647..c3536f151f02 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -34,7 +34,6 @@ static int usb_open(struct inode * inode, struct file * file)
 	int err = -ENODEV;
 	const struct file_operations *old_fops, *new_fops = NULL;
 
-	lock_kernel();
 	down_read(&minor_rwsem);
 	c = usb_minors[minor];
 
@@ -53,7 +52,6 @@ static int usb_open(struct inode * inode, struct file * file)
 	fops_put(old_fops);
  done:
 	up_read(&minor_rwsem);
-	unlock_kernel();
 	return err;
 }
 
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 80995ef0868c..2f8cedda8007 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -39,6 +39,7 @@
 #include <linux/platform_device.h>
 #include <linux/workqueue.h>
 #include <linux/mutex.h>
+#include <linux/pm_runtime.h>
 
 #include <linux/usb.h>
 
@@ -141,7 +142,7 @@ static const u8 usb3_rh_dev_descriptor[18] = {
 	0x09,       /*  __u8  bMaxPacketSize0; 2^9 = 512 Bytes */
 
 	0x6b, 0x1d, /*  __le16 idVendor; Linux Foundation */
-	0x02, 0x00, /*  __le16 idProduct; device 0x0002 */
+	0x03, 0x00, /*  __le16 idProduct; device 0x0003 */
 	KERNEL_VER, KERNEL_REL, /*  __le16 bcdDevice */
 
 	0x03,       /*  __u8  iManufacturer; */
@@ -1670,11 +1671,16 @@ int usb_hcd_alloc_bandwidth(struct usb_device *udev,
 			}
 		}
 		for (i = 0; i < num_intfs; ++i) {
+			struct usb_host_interface *first_alt;
+			int iface_num;
+
+			first_alt = &new_config->intf_cache[i]->altsetting[0];
+			iface_num = first_alt->desc.bInterfaceNumber;
 			/* Set up endpoints for alternate interface setting 0 */
-			alt = usb_find_alt_setting(new_config, i, 0);
+			alt = usb_find_alt_setting(new_config, iface_num, 0);
 			if (!alt)
 				/* No alt setting 0? Pick the first setting. */
-				alt = &new_config->intf_cache[i]->altsetting[0];
+				alt = first_alt;
 
 			for (j = 0; j < alt->desc.bNumEndpoints; j++) {
 				ret = hcd->driver->add_endpoint(hcd, udev, &alt->endpoint[j]);
@@ -1853,6 +1859,10 @@ int hcd_bus_resume(struct usb_device *rhdev, pm_message_t msg)
 	return status;
 }
 
+#endif	/* CONFIG_PM */
+
+#ifdef	CONFIG_USB_SUSPEND
+
 /* Workqueue routine for root-hub remote wakeup */
 static void hcd_resume_work(struct work_struct *work)
 {
@@ -1860,8 +1870,7 @@ static void hcd_resume_work(struct work_struct *work)
 	struct usb_device *udev = hcd->self.root_hub;
 
 	usb_lock_device(udev);
-	usb_mark_last_busy(udev);
-	usb_external_resume_device(udev, PMSG_REMOTE_RESUME);
+	usb_remote_wakeup(udev);
 	usb_unlock_device(udev);
 }
 
@@ -1880,12 +1889,12 @@ void usb_hcd_resume_root_hub (struct usb_hcd *hcd)
 
 	spin_lock_irqsave (&hcd_root_hub_lock, flags);
 	if (hcd->rh_registered)
-		queue_work(ksuspend_usb_wq, &hcd->wakeup_work);
+		queue_work(pm_wq, &hcd->wakeup_work);
 	spin_unlock_irqrestore (&hcd_root_hub_lock, flags);
 }
 EXPORT_SYMBOL_GPL(usb_hcd_resume_root_hub);
 
-#endif
+#endif	/* CONFIG_USB_SUSPEND */
 
 /*-------------------------------------------------------------------------*/
 
@@ -2030,7 +2039,7 @@ struct usb_hcd *usb_create_hcd (const struct hc_driver *driver,
 	init_timer(&hcd->rh_timer);
 	hcd->rh_timer.function = rh_timer_func;
 	hcd->rh_timer.data = (unsigned long) hcd;
-#ifdef CONFIG_PM
+#ifdef CONFIG_USB_SUSPEND
 	INIT_WORK(&hcd->wakeup_work, hcd_resume_work);
 #endif
 	mutex_init(&hcd->bandwidth_mutex);
@@ -2230,7 +2239,7 @@ void usb_remove_hcd(struct usb_hcd *hcd)
 	hcd->rh_registered = 0;
 	spin_unlock_irq (&hcd_root_hub_lock);
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_USB_SUSPEND
 	cancel_work_sync(&hcd->wakeup_work);
 #endif
 
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index bbe2b924aae8..a3cdb09734ab 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -80,7 +80,7 @@ struct usb_hcd {
 
 	struct timer_list	rh_timer;	/* drives root-hub polling */
 	struct urb		*status_urb;	/* the current status urb */
-#ifdef CONFIG_PM
+#ifdef CONFIG_USB_SUSPEND
 	struct work_struct	wakeup_work;	/* for remote wakeup */
 #endif
 
@@ -248,7 +248,7 @@ struct hc_driver {
 	/* xHCI specific functions */
 		/* Called by usb_alloc_dev to alloc HC device structures */
 	int	(*alloc_dev)(struct usb_hcd *, struct usb_device *);
-		/* Called by usb_release_dev to free HC device structures */
+		/* Called by usb_disconnect to free HC device structures */
 	void	(*free_dev)(struct usb_hcd *, struct usb_device *);
 
 	/* Bandwidth computation functions */
@@ -286,6 +286,7 @@ struct hc_driver {
 		 */
 	int	(*update_hub_device)(struct usb_hcd *, struct usb_device *hdev,
 			struct usb_tt *tt, gfp_t mem_flags);
+	int	(*reset_device)(struct usb_hcd *, struct usb_device *);
 };
 
 extern int usb_hcd_link_urb_to_ep(struct usb_hcd *hcd, struct urb *urb);
@@ -463,16 +464,20 @@ extern int usb_find_interface_driver(struct usb_device *dev,
 #define usb_endpoint_out(ep_dir)	(!((ep_dir) & USB_DIR_IN))
 
 #ifdef CONFIG_PM
-extern void usb_hcd_resume_root_hub(struct usb_hcd *hcd);
 extern void usb_root_hub_lost_power(struct usb_device *rhdev);
 extern int hcd_bus_suspend(struct usb_device *rhdev, pm_message_t msg);
 extern int hcd_bus_resume(struct usb_device *rhdev, pm_message_t msg);
+#endif /* CONFIG_PM */
+
+#ifdef CONFIG_USB_SUSPEND
+extern void usb_hcd_resume_root_hub(struct usb_hcd *hcd);
 #else
 static inline void usb_hcd_resume_root_hub(struct usb_hcd *hcd)
 {
 	return;
 }
-#endif /* CONFIG_PM */
+#endif /* CONFIG_USB_SUSPEND */
+
 
 /*
  * USB device fs stuff
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 20ecb4cec8de..0940ccd6f4f4 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -22,6 +22,7 @@
 #include <linux/kthread.h>
 #include <linux/mutex.h>
 #include <linux/freezer.h>
+#include <linux/pm_runtime.h>
 
 #include <asm/uaccess.h>
 #include <asm/byteorder.h>
@@ -71,7 +72,6 @@ struct usb_hub {
 
 	unsigned		mA_per_port;	/* current for each child */
 
-	unsigned		init_done:1;
 	unsigned		limited_power:1;
 	unsigned		quiescing:1;
 	unsigned		disconnected:1;
@@ -820,7 +820,6 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 	}
  init3:
 	hub->quiescing = 0;
-	hub->init_done = 1;
 
 	status = usb_submit_urb(hub->urb, GFP_NOIO);
 	if (status < 0)
@@ -861,11 +860,6 @@ static void hub_quiesce(struct usb_hub *hub, enum hub_quiescing_type type)
 	int i;
 
 	cancel_delayed_work_sync(&hub->init_work);
-	if (!hub->init_done) {
-		hub->init_done = 1;
-		usb_autopm_put_interface_no_suspend(
-				to_usb_interface(hub->intfdev));
-	}
 
 	/* khubd and related activity won't re-trigger */
 	hub->quiescing = 1;
@@ -1224,6 +1218,9 @@ static int hub_probe(struct usb_interface *intf, const struct usb_device_id *id)
 	desc = intf->cur_altsetting;
 	hdev = interface_to_usbdev(intf);
 
+	/* Hubs have proper suspend/resume support */
+	usb_enable_autosuspend(hdev);
+
 	if (hdev->level == MAX_TOPO_LEVEL) {
 		dev_err(&intf->dev,
 			"Unsupported bus topology: hub nested too deep\n");
@@ -1402,10 +1399,8 @@ static void recursively_mark_NOTATTACHED(struct usb_device *udev)
 		if (udev->children[i])
 			recursively_mark_NOTATTACHED(udev->children[i]);
 	}
-	if (udev->state == USB_STATE_SUSPENDED) {
-		udev->discon_suspended = 1;
+	if (udev->state == USB_STATE_SUSPENDED)
 		udev->active_duration -= jiffies;
-	}
 	udev->state = USB_STATE_NOTATTACHED;
 }
 
@@ -1448,11 +1443,11 @@ void usb_set_device_state(struct usb_device *udev,
 					|| new_state == USB_STATE_SUSPENDED)
 				;	/* No change to wakeup settings */
 			else if (new_state == USB_STATE_CONFIGURED)
-				device_init_wakeup(&udev->dev,
+				device_set_wakeup_capable(&udev->dev,
 					(udev->actconfig->desc.bmAttributes
 					 & USB_CONFIG_ATT_WAKEUP));
 			else
-				device_init_wakeup(&udev->dev, 0);
+				device_set_wakeup_capable(&udev->dev, 0);
 		}
 		if (udev->state == USB_STATE_SUSPENDED &&
 			new_state != USB_STATE_SUSPENDED)
@@ -1529,31 +1524,15 @@ static void update_address(struct usb_device *udev, int devnum)
 		udev->devnum = devnum;
 }
 
-#ifdef	CONFIG_USB_SUSPEND
-
-static void usb_stop_pm(struct usb_device *udev)
+static void hub_free_dev(struct usb_device *udev)
 {
-	/* Synchronize with the ksuspend thread to prevent any more
-	 * autosuspend requests from being submitted, and decrement
-	 * the parent's count of unsuspended children.
-	 */
-	usb_pm_lock(udev);
-	if (udev->parent && !udev->discon_suspended)
-		usb_autosuspend_device(udev->parent);
-	usb_pm_unlock(udev);
+	struct usb_hcd *hcd = bus_to_hcd(udev->bus);
 
-	/* Stop any autosuspend or autoresume requests already submitted */
-	cancel_delayed_work_sync(&udev->autosuspend);
-	cancel_work_sync(&udev->autoresume);
+	/* Root hubs aren't real devices, so don't free HCD resources */
+	if (hcd->driver->free_dev && udev->parent)
+		hcd->driver->free_dev(hcd, udev);
 }
 
-#else
-
-static inline void usb_stop_pm(struct usb_device *udev)
-{ }
-
-#endif
-
 /**
  * usb_disconnect - disconnect a device (usbcore-internal)
  * @pdev: pointer to device being disconnected
@@ -1622,7 +1601,7 @@ void usb_disconnect(struct usb_device **pdev)
 	*pdev = NULL;
 	spin_unlock_irq(&device_state_lock);
 
-	usb_stop_pm(udev);
+	hub_free_dev(udev);
 
 	put_device(&udev->dev);
 }
@@ -1799,9 +1778,18 @@ int usb_new_device(struct usb_device *udev)
 {
 	int err;
 
-	/* Increment the parent's count of unsuspended children */
-	if (udev->parent)
-		usb_autoresume_device(udev->parent);
+	if (udev->parent) {
+		/* Initialize non-root-hub device wakeup to disabled;
+		 * device (un)configuration controls wakeup capable
+		 * sysfs power/wakeup controls wakeup enabled/disabled
+		 */
+		device_init_wakeup(&udev->dev, 0);
+		device_set_wakeup_enable(&udev->dev, 1);
+	}
+
+	/* Tell the runtime-PM framework the device is active */
+	pm_runtime_set_active(&udev->dev);
+	pm_runtime_enable(&udev->dev);
 
 	usb_detect_quirks(udev);
 	err = usb_enumerate_device(udev);	/* Read descriptors */
@@ -1833,7 +1821,8 @@ int usb_new_device(struct usb_device *udev)
 
 fail:
 	usb_set_device_state(udev, USB_STATE_NOTATTACHED);
-	usb_stop_pm(udev);
+	pm_runtime_disable(&udev->dev);
+	pm_runtime_set_suspended(&udev->dev);
 	return err;
 }
 
@@ -1982,7 +1971,7 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,
 		if (!(portstatus & USB_PORT_STAT_RESET) &&
 		    (portstatus & USB_PORT_STAT_ENABLE)) {
 			if (hub_is_wusb(hub))
-				udev->speed = USB_SPEED_VARIABLE;
+				udev->speed = USB_SPEED_WIRELESS;
 			else if (portstatus & USB_PORT_STAT_HIGH_SPEED)
 				udev->speed = USB_SPEED_HIGH;
 			else if (portstatus & USB_PORT_STAT_LOW_SPEED)
@@ -2008,7 +1997,9 @@ static int hub_port_reset(struct usb_hub *hub, int port1,
 				struct usb_device *udev, unsigned int delay)
 {
 	int i, status;
+	struct usb_hcd *hcd;
 
+	hcd = bus_to_hcd(udev->bus);
 	/* Block EHCI CF initialization during the port reset.
 	 * Some companion controllers don't like it when they mix.
 	 */
@@ -2036,6 +2027,14 @@ static int hub_port_reset(struct usb_hub *hub, int port1,
 			/* TRSTRCY = 10 ms; plus some extra */
 			msleep(10 + 40);
 			update_address(udev, 0);
+			if (hcd->driver->reset_device) {
+				status = hcd->driver->reset_device(hcd, udev);
+				if (status < 0) {
+					dev_err(&udev->dev, "Cannot reset "
+							"HCD device state\n");
+					break;
+				}
+			}
 			/* FALL THROUGH */
 		case -ENOTCONN:
 		case -ENODEV:
@@ -2381,14 +2380,17 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg)
 }
 
 /* caller has locked udev */
-static int remote_wakeup(struct usb_device *udev)
+int usb_remote_wakeup(struct usb_device *udev)
 {
 	int	status = 0;
 
 	if (udev->state == USB_STATE_SUSPENDED) {
 		dev_dbg(&udev->dev, "usb %sresume\n", "wakeup-");
-		usb_mark_last_busy(udev);
-		status = usb_external_resume_device(udev, PMSG_REMOTE_RESUME);
+		status = usb_autoresume_device(udev);
+		if (status == 0) {
+			/* Let the drivers do their thing, then... */
+			usb_autosuspend_device(udev);
+		}
 	}
 	return status;
 }
@@ -2425,11 +2427,6 @@ int usb_port_resume(struct usb_device *udev, pm_message_t msg)
 	return status;
 }
 
-static inline int remote_wakeup(struct usb_device *udev)
-{
-	return 0;
-}
-
 #endif
 
 static int hub_suspend(struct usb_interface *intf, pm_message_t msg)
@@ -2496,11 +2493,6 @@ EXPORT_SYMBOL_GPL(usb_root_hub_lost_power);
 
 #else	/* CONFIG_PM */
 
-static inline int remote_wakeup(struct usb_device *udev)
-{
-	return 0;
-}
-
 #define hub_suspend		NULL
 #define hub_resume		NULL
 #define hub_reset_resume	NULL
@@ -2645,14 +2637,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
 
 	mutex_lock(&usb_address0_mutex);
 
-	if ((hcd->driver->flags & HCD_USB3) && udev->config) {
-		/* FIXME this will need special handling by the xHCI driver. */
-		dev_dbg(&udev->dev,
-				"xHCI reset of configured device "
-				"not supported yet.\n");
-		retval = -EINVAL;
-		goto fail;
-	} else if (!udev->config && oldspeed == USB_SPEED_SUPER) {
+	if (!udev->config && oldspeed == USB_SPEED_SUPER) {
 		/* Don't reset USB 3.0 devices during an initial setup */
 		usb_set_device_state(udev, USB_STATE_DEFAULT);
 	} else {
@@ -2678,7 +2663,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
 	 */
 	switch (udev->speed) {
 	case USB_SPEED_SUPER:
-	case USB_SPEED_VARIABLE:	/* fixed at 512 */
+	case USB_SPEED_WIRELESS:	/* fixed at 512 */
 		udev->ep0.desc.wMaxPacketSize = cpu_to_le16(512);
 		break;
 	case USB_SPEED_HIGH:		/* fixed at 64 */
@@ -2706,7 +2691,7 @@ hub_port_init (struct usb_hub *hub, struct usb_device *udev, int port1,
 	case USB_SPEED_SUPER:
 				speed = "super";
 				break;
-	case USB_SPEED_VARIABLE:
+	case USB_SPEED_WIRELESS:
 				speed = "variable";
 				type = "Wireless ";
 				break;
@@ -3006,7 +2991,7 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1,
 			/* For a suspended device, treat this as a
 			 * remote wakeup event.
 			 */
-			status = remote_wakeup(udev);
+			status = usb_remote_wakeup(udev);
 #endif
 
 		} else {
@@ -3192,6 +3177,7 @@ loop_disable:
 loop:
 		usb_ep0_reinit(udev);
 		release_address(udev);
+		hub_free_dev(udev);
 		usb_put_dev(udev);
 		if ((status == -ENOTCONN) || (status == -ENOTSUPP))
 			break;
@@ -3259,7 +3245,7 @@ static void hub_events(void)
 		 * disconnected while waiting for the lock to succeed. */
 		usb_lock_device(hdev);
 		if (unlikely(hub->disconnected))
-			goto loop2;
+			goto loop_disconnected;
 
 		/* If the hub has died, clean up after it */
 		if (hdev->state == USB_STATE_NOTATTACHED) {
@@ -3352,7 +3338,7 @@ static void hub_events(void)
 					msleep(10);
 
 					usb_lock_device(udev);
-					ret = remote_wakeup(hdev->
+					ret = usb_remote_wakeup(hdev->
 							children[i-1]);
 					usb_unlock_device(udev);
 					if (ret < 0)
@@ -3419,7 +3405,7 @@ static void hub_events(void)
 		 * kick_khubd() and allow autosuspend.
 		 */
 		usb_autopm_put_interface(intf);
- loop2:
+ loop_disconnected:
 		usb_unlock_device(hdev);
 		kref_put(&hub->kref, hub_release);
 
@@ -3446,7 +3432,7 @@ static int hub_thread(void *__unused)
 	return 0;
 }
 
-static struct usb_device_id hub_id_table [] = {
+static const struct usb_device_id hub_id_table[] = {
     { .match_flags = USB_DEVICE_ID_MATCH_DEV_CLASS,
       .bDeviceClass = USB_CLASS_HUB},
     { .match_flags = USB_DEVICE_ID_MATCH_INT_CLASS,
diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c
index df73574a9cc9..cd220277c6c3 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1316,7 +1316,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate)
 
 	alt = usb_altnum_to_altsetting(iface, alternate);
 	if (!alt) {
-		dev_warn(&dev->dev, "selecting invalid altsetting %d",
+		dev_warn(&dev->dev, "selecting invalid altsetting %d\n",
 			 alternate);
 		return -EINVAL;
 	}
@@ -1471,7 +1471,7 @@ int usb_reset_configuration(struct usb_device *dev)
 	/* If not, reinstate the old alternate settings */
 	if (retval < 0) {
 reset_old_alts:
-		for (; i >= 0; i--) {
+		for (i--; i >= 0; i--) {
 			struct usb_interface *intf = config->interface[i];
 			struct usb_host_interface *alt;
 
@@ -1843,7 +1843,6 @@ free_interfaces:
 		intf->dev.dma_mask = dev->dev.dma_mask;
 		INIT_WORK(&intf->reset_ws, __usb_queue_reset_device);
 		device_initialize(&intf->dev);
-		mark_quiesced(intf);
 		dev_set_name(&intf->dev, "%d-%s:%d.%d",
 			dev->bus->busnum, dev->devpath,
 			configuration, alt->desc.bInterfaceNumber);
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index ab93918d9207..f073c5cb4e7b 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -103,10 +103,19 @@ void usb_detect_quirks(struct usb_device *udev)
 		dev_dbg(&udev->dev, "USB quirks for this device: %x\n",
 				udev->quirks);
 
-	/* By default, disable autosuspend for all non-hubs */
 #ifdef	CONFIG_USB_SUSPEND
-	if (udev->descriptor.bDeviceClass != USB_CLASS_HUB)
-		udev->autosuspend_disabled = 1;
+
+	/* By default, disable autosuspend for all devices.  The hub driver
+	 * will enable it for hubs.
+	 */
+	usb_disable_autosuspend(udev);
+
+	/* Autosuspend can also be disabled if the initial autosuspend_delay
+	 * is negative.
+	 */
+	if (udev->autosuspend_delay < 0)
+		usb_autoresume_device(udev);
+
 #endif
 
 	/* For the present, all devices default to USB-PERSIST enabled */
@@ -120,6 +129,7 @@ void usb_detect_quirks(struct usb_device *udev)
 	 * for all devices.  It will affect things like hub resets
 	 * and EMF-related port disables.
 	 */
-	udev->persist_enabled = 1;
+	if (!(udev->quirks & USB_QUIRK_RESET_MORPHS))
+		udev->persist_enabled = 1;
 #endif	/* CONFIG_PM */
 }
diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c
index 5f3908f6e2dc..43c002e3a9aa 100644
--- a/drivers/usb/core/sysfs.c
+++ b/drivers/usb/core/sysfs.c
@@ -115,7 +115,7 @@ show_speed(struct device *dev, struct device_attribute *attr, char *buf)
 	case USB_SPEED_HIGH:
 		speed = "480";
 		break;
-	case USB_SPEED_VARIABLE:
+	case USB_SPEED_WIRELESS:
 		speed = "480";
 		break;
 	case USB_SPEED_SUPER:
@@ -191,6 +191,36 @@ show_quirks(struct device *dev, struct device_attribute *attr, char *buf)
 static DEVICE_ATTR(quirks, S_IRUGO, show_quirks, NULL);
 
 static ssize_t
+show_avoid_reset_quirk(struct device *dev, struct device_attribute *attr, char *buf)
+{
+	struct usb_device *udev;
+
+	udev = to_usb_device(dev);
+	return sprintf(buf, "%d\n", !!(udev->quirks & USB_QUIRK_RESET_MORPHS));
+}
+
+static ssize_t
+set_avoid_reset_quirk(struct device *dev, struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct usb_device	*udev = to_usb_device(dev);
+	int			config;
+
+	if (sscanf(buf, "%d", &config) != 1 || config < 0 || config > 1)
+		return -EINVAL;
+	usb_lock_device(udev);
+	if (config)
+		udev->quirks |= USB_QUIRK_RESET_MORPHS;
+	else
+		udev->quirks &= ~USB_QUIRK_RESET_MORPHS;
+	usb_unlock_device(udev);
+	return count;
+}
+
+static DEVICE_ATTR(avoid_reset_quirk, S_IRUGO | S_IWUSR,
+		show_avoid_reset_quirk, set_avoid_reset_quirk);
+
+static ssize_t
 show_urbnum(struct device *dev, struct device_attribute *attr, char *buf)
 {
 	struct usb_device *udev;
@@ -226,9 +256,10 @@ set_persist(struct device *dev, struct device_attribute *attr,
 
 	if (sscanf(buf, "%d", &value) != 1)
 		return -EINVAL;
-	usb_pm_lock(udev);
+
+	usb_lock_device(udev);
 	udev->persist_enabled = !!value;
-	usb_pm_unlock(udev);
+	usb_unlock_device(udev);
 	return count;
 }
 
@@ -315,20 +346,34 @@ set_autosuspend(struct device *dev, struct device_attribute *attr,
 		const char *buf, size_t count)
 {
 	struct usb_device *udev = to_usb_device(dev);
-	int value;
+	int value, old_delay;
+	int rc;
 
 	if (sscanf(buf, "%d", &value) != 1 || value >= INT_MAX/HZ ||
 			value <= - INT_MAX/HZ)
 		return -EINVAL;
 	value *= HZ;
 
+	usb_lock_device(udev);
+	old_delay = udev->autosuspend_delay;
 	udev->autosuspend_delay = value;
-	if (value >= 0)
-		usb_try_autosuspend_device(udev);
-	else {
-		if (usb_autoresume_device(udev) == 0)
+
+	if (old_delay < 0) {	/* Autosuspend wasn't allowed */
+		if (value >= 0)
 			usb_autosuspend_device(udev);
+	} else {		/* Autosuspend was allowed */
+		if (value < 0) {
+			rc = usb_autoresume_device(udev);
+			if (rc < 0) {
+				count = rc;
+				udev->autosuspend_delay = old_delay;
+			}
+		} else {
+			usb_try_autosuspend_device(udev);
+		}
 	}
+
+	usb_unlock_device(udev);
 	return count;
 }
 
@@ -356,34 +401,25 @@ set_level(struct device *dev, struct device_attribute *attr,
 	struct usb_device *udev = to_usb_device(dev);
 	int len = count;
 	char *cp;
-	int rc = 0;
-	int old_autosuspend_disabled;
+	int rc;
 
 	cp = memchr(buf, '\n', count);
 	if (cp)
 		len = cp - buf;
 
 	usb_lock_device(udev);
-	old_autosuspend_disabled = udev->autosuspend_disabled;
 
-	/* Setting the flags without calling usb_pm_lock is a subject to
-	 * races, but who cares...
-	 */
 	if (len == sizeof on_string - 1 &&
-			strncmp(buf, on_string, len) == 0) {
-		udev->autosuspend_disabled = 1;
-		rc = usb_external_resume_device(udev, PMSG_USER_RESUME);
+			strncmp(buf, on_string, len) == 0)
+		rc = usb_disable_autosuspend(udev);
 
-	} else if (len == sizeof auto_string - 1 &&
-			strncmp(buf, auto_string, len) == 0) {
-		udev->autosuspend_disabled = 0;
-		rc = usb_external_resume_device(udev, PMSG_USER_RESUME);
+	else if (len == sizeof auto_string - 1 &&
+			strncmp(buf, auto_string, len) == 0)
+		rc = usb_enable_autosuspend(udev);
 
-	} else
+	else
 		rc = -EINVAL;
 
-	if (rc)
-		udev->autosuspend_disabled = old_autosuspend_disabled;
 	usb_unlock_device(udev);
 	return (rc < 0 ? rc : count);
 }
@@ -558,6 +594,7 @@ static struct attribute *dev_attrs[] = {
 	&dev_attr_version.attr,
 	&dev_attr_maxchild.attr,
 	&dev_attr_quirks.attr,
+	&dev_attr_avoid_reset_quirk.attr,
 	&dev_attr_authorized.attr,
 	&dev_attr_remove.attr,
 	NULL,
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index e7cae1334693..45a32dadb406 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -387,6 +387,13 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 	{
 	unsigned int	orig_flags = urb->transfer_flags;
 	unsigned int	allowed;
+	static int pipetypes[4] = {
+		PIPE_CONTROL, PIPE_ISOCHRONOUS, PIPE_BULK, PIPE_INTERRUPT
+	};
+
+	/* Check that the pipe's type matches the endpoint's type */
+	if (usb_pipetype(urb->pipe) != pipetypes[xfertype])
+		return -EPIPE;		/* The most suitable error code :-) */
 
 	/* enforce simple/standard policy */
 	allowed = (URB_NO_TRANSFER_DMA_MAP | URB_NO_SETUP_DMA_MAP |
@@ -430,7 +437,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 	case USB_ENDPOINT_XFER_INT:
 		/* too small? */
 		switch (dev->speed) {
-		case USB_SPEED_VARIABLE:
+		case USB_SPEED_WIRELESS:
 			if (urb->interval < 6)
 				return -EINVAL;
 			break;
@@ -446,7 +453,8 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 			if (urb->interval > (1 << 15))
 				return -EINVAL;
 			max = 1 << 15;
-		case USB_SPEED_VARIABLE:
+			break;
+		case USB_SPEED_WIRELESS:
 			if (urb->interval > 16)
 				return -EINVAL;
 			break;
@@ -473,7 +481,7 @@ int usb_submit_urb(struct urb *urb, gfp_t mem_flags)
 		default:
 			return -EINVAL;
 		}
-		if (dev->speed != USB_SPEED_VARIABLE) {
+		if (dev->speed != USB_SPEED_WIRELESS) {
 			/* Round down to a power of 2, no more than max */
 			urb->interval = min(max, 1 << ilog2(urb->interval));
 		}
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c
index 0daff0d968ba..1297e9b16a51 100644
--- a/drivers/usb/core/usb.c
+++ b/drivers/usb/core/usb.c
@@ -49,9 +49,6 @@ const char *usbcore_name = "usbcore";
 
 static int nousb;	/* Disable USB when built into kernel image */
 
-/* Workqueue for autosuspend and for remote wakeup of root hubs */
-struct workqueue_struct *ksuspend_usb_wq;
-
 #ifdef	CONFIG_USB_SUSPEND
 static int usb_autosuspend_delay = 2;		/* Default delay value,
 						 * in seconds */
@@ -228,9 +225,6 @@ static void usb_release_dev(struct device *dev)
 	hcd = bus_to_hcd(udev->bus);
 
 	usb_destroy_configuration(udev);
-	/* Root hubs aren't real devices, so don't free HCD resources */
-	if (hcd->driver->free_dev && udev->parent)
-		hcd->driver->free_dev(hcd, udev);
 	usb_put_hcd(hcd);
 	kfree(udev->product);
 	kfree(udev->manufacturer);
@@ -264,23 +258,6 @@ static int usb_dev_uevent(struct device *dev, struct kobj_uevent_env *env)
 
 #ifdef	CONFIG_PM
 
-static int ksuspend_usb_init(void)
-{
-	/* This workqueue is supposed to be both freezable and
-	 * singlethreaded.  Its job doesn't justify running on more
-	 * than one CPU.
-	 */
-	ksuspend_usb_wq = create_freezeable_workqueue("ksuspend_usbd");
-	if (!ksuspend_usb_wq)
-		return -ENOMEM;
-	return 0;
-}
-
-static void ksuspend_usb_cleanup(void)
-{
-	destroy_workqueue(ksuspend_usb_wq);
-}
-
 /* USB device Power-Management thunks.
  * There's no need to distinguish here between quiescing a USB device
  * and powering it down; the generic_suspend() routine takes care of
@@ -296,7 +273,7 @@ static int usb_dev_prepare(struct device *dev)
 static void usb_dev_complete(struct device *dev)
 {
 	/* Currently used only for rebinding interfaces */
-	usb_resume(dev, PMSG_RESUME);	/* Message event is meaningless */
+	usb_resume(dev, PMSG_ON);	/* FIXME: change to PMSG_COMPLETE */
 }
 
 static int usb_dev_suspend(struct device *dev)
@@ -342,9 +319,7 @@ static const struct dev_pm_ops usb_device_pm_ops = {
 
 #else
 
-#define ksuspend_usb_init()	0
-#define ksuspend_usb_cleanup()	do {} while (0)
-#define usb_device_pm_ops	(*(struct dev_pm_ops *)0)
+#define usb_device_pm_ops	(*(struct dev_pm_ops *) NULL)
 
 #endif	/* CONFIG_PM */
 
@@ -472,9 +447,6 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent,
 	INIT_LIST_HEAD(&dev->filelist);
 
 #ifdef	CONFIG_PM
-	mutex_init(&dev->pm_mutex);
-	INIT_DELAYED_WORK(&dev->autosuspend, usb_autosuspend_work);
-	INIT_WORK(&dev->autoresume, usb_autoresume_work);
 	dev->autosuspend_delay = usb_autosuspend_delay * HZ;
 	dev->connect_time = jiffies;
 	dev->active_duration = -jiffies;
@@ -1117,9 +1089,6 @@ static int __init usb_init(void)
 	if (retval)
 		goto out;
 
-	retval = ksuspend_usb_init();
-	if (retval)
-		goto out;
 	retval = bus_register(&usb_bus_type);
 	if (retval)
 		goto bus_register_failed;
@@ -1159,7 +1128,7 @@ major_init_failed:
 bus_notifier_failed:
 	bus_unregister(&usb_bus_type);
 bus_register_failed:
-	ksuspend_usb_cleanup();
+	usb_debugfs_cleanup();
 out:
 	return retval;
 }
@@ -1181,7 +1150,6 @@ static void __exit usb_exit(void)
 	usb_hub_cleanup();
 	bus_unregister_notifier(&usb_bus_type, &usb_bus_nb);
 	bus_unregister(&usb_bus_type);
-	ksuspend_usb_cleanup();
 	usb_debugfs_cleanup();
 }
 
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h
index 4c36c7f512a0..cd882203ad34 100644
--- a/drivers/usb/core/usb.h
+++ b/drivers/usb/core/usb.h
@@ -55,24 +55,8 @@ extern void usb_major_cleanup(void);
 extern int usb_suspend(struct device *dev, pm_message_t msg);
 extern int usb_resume(struct device *dev, pm_message_t msg);
 
-extern void usb_autosuspend_work(struct work_struct *work);
-extern void usb_autoresume_work(struct work_struct *work);
 extern int usb_port_suspend(struct usb_device *dev, pm_message_t msg);
 extern int usb_port_resume(struct usb_device *dev, pm_message_t msg);
-extern int usb_external_suspend_device(struct usb_device *udev,
-		pm_message_t msg);
-extern int usb_external_resume_device(struct usb_device *udev,
-		pm_message_t msg);
-
-static inline void usb_pm_lock(struct usb_device *udev)
-{
-	mutex_lock_nested(&udev->pm_mutex, udev->level);
-}
-
-static inline void usb_pm_unlock(struct usb_device *udev)
-{
-	mutex_unlock(&udev->pm_mutex);
-}
 
 #else
 
@@ -86,9 +70,6 @@ static inline int usb_port_resume(struct usb_device *udev, pm_message_t msg)
 	return 0;
 }
 
-static inline void usb_pm_lock(struct usb_device *udev) {}
-static inline void usb_pm_unlock(struct usb_device *udev) {}
-
 #endif
 
 #ifdef CONFIG_USB_SUSPEND
@@ -96,6 +77,7 @@ static inline void usb_pm_unlock(struct usb_device *udev) {}
 extern void usb_autosuspend_device(struct usb_device *udev);
 extern void usb_try_autosuspend_device(struct usb_device *udev);
 extern int usb_autoresume_device(struct usb_device *udev);
+extern int usb_remote_wakeup(struct usb_device *dev);
 
 #else
 
@@ -106,9 +88,13 @@ static inline int usb_autoresume_device(struct usb_device *udev)
 	return 0;
 }
 
+static inline int usb_remote_wakeup(struct usb_device *udev)
+{
+	return 0;
+}
+
 #endif
 
-extern struct workqueue_struct *ksuspend_usb_wq;
 extern struct bus_type usb_bus_type;
 extern struct device_type usb_device_type;
 extern struct device_type usb_if_device_type;
@@ -138,23 +124,6 @@ static inline int is_usb_device_driver(struct device_driver *drv)
 			for_devices;
 }
 
-/* Interfaces and their "power state" are owned by usbcore */
-
-static inline void mark_active(struct usb_interface *f)
-{
-	f->is_active = 1;
-}
-
-static inline void mark_quiesced(struct usb_interface *f)
-{
-	f->is_active = 0;
-}
-
-static inline int is_active(const struct usb_interface *f)
-{
-	return f->is_active;
-}
-
 
 /* for labeling diagnostics */
 extern const char *usbcore_name;
diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c
index 2958a1271b20..6e98a3697844 100644
--- a/drivers/usb/early/ehci-dbgp.c
+++ b/drivers/usb/early/ehci-dbgp.c
@@ -66,8 +66,6 @@ static struct ehci_dev ehci_dev;
 
 #define USB_DEBUG_DEVNUM 127
 
-#define DBGP_DATA_TOGGLE	0x8800
-
 #ifdef DBGP_DEBUG
 #define dbgp_printk printk
 static void dbgp_ehci_status(char *str)
@@ -88,11 +86,6 @@ static inline void dbgp_ehci_status(char *str) { }
 static inline void dbgp_printk(const char *fmt, ...) { }
 #endif
 
-static inline u32 dbgp_pid_update(u32 x, u32 tok)
-{
-	return ((x ^ DBGP_DATA_TOGGLE) & 0xffff00) | (tok & 0xff);
-}
-
 static inline u32 dbgp_len_update(u32 x, u32 len)
 {
 	return (x & ~0x0f) | (len & 0x0f);
@@ -136,6 +129,19 @@ static inline u32 dbgp_len_update(u32 x, u32 len)
 
 #define DBGP_MAX_PACKET		8
 #define DBGP_TIMEOUT		(250 * 1000)
+#define DBGP_LOOPS		1000
+
+static inline u32 dbgp_pid_write_update(u32 x, u32 tok)
+{
+	static int data0 = USB_PID_DATA1;
+	data0 ^= USB_PID_DATA_TOGGLE;
+	return (x & 0xffff0000) | (data0 << 8) | (tok & 0xff);
+}
+
+static inline u32 dbgp_pid_read_update(u32 x, u32 tok)
+{
+	return (x & 0xffff0000) | (USB_PID_DATA0 << 8) | (tok & 0xff);
+}
 
 static int dbgp_wait_until_complete(void)
 {
@@ -180,7 +186,7 @@ static int dbgp_wait_until_done(unsigned ctrl)
 {
 	u32 pids, lpid;
 	int ret;
-	int loop = 3;
+	int loop = DBGP_LOOPS;
 
 retry:
 	writel(ctrl | DBGP_GO, &ehci_debug->control);
@@ -197,6 +203,8 @@ retry:
 		 */
 		if (ret == -DBGP_TIMEOUT && !dbgp_not_safe)
 			dbgp_not_safe = 1;
+		if (ret == -DBGP_ERR_BAD && --loop > 0)
+			goto retry;
 		return ret;
 	}
 
@@ -245,12 +253,20 @@ static inline void dbgp_get_data(void *buf, int size)
 		bytes[i] = (hi >> (8*(i - 4))) & 0xff;
 }
 
-static int dbgp_out(u32 addr, const char *bytes, int size)
+static int dbgp_bulk_write(unsigned devnum, unsigned endpoint,
+			 const char *bytes, int size)
 {
+	int ret;
+	u32 addr;
 	u32 pids, ctrl;
 
+	if (size > DBGP_MAX_PACKET)
+		return -1;
+
+	addr = DBGP_EPADDR(devnum, endpoint);
+
 	pids = readl(&ehci_debug->pids);
-	pids = dbgp_pid_update(pids, USB_PID_OUT);
+	pids = dbgp_pid_write_update(pids, USB_PID_OUT);
 
 	ctrl = readl(&ehci_debug->control);
 	ctrl = dbgp_len_update(ctrl, size);
@@ -260,34 +276,7 @@ static int dbgp_out(u32 addr, const char *bytes, int size)
 	dbgp_set_data(bytes, size);
 	writel(addr, &ehci_debug->address);
 	writel(pids, &ehci_debug->pids);
-	return dbgp_wait_until_done(ctrl);
-}
-
-static int dbgp_bulk_write(unsigned devnum, unsigned endpoint,
-			 const char *bytes, int size)
-{
-	int ret;
-	int loops = 5;
-	u32 addr;
-	if (size > DBGP_MAX_PACKET)
-		return -1;
-
-	addr = DBGP_EPADDR(devnum, endpoint);
-try_again:
-	if (loops--) {
-		ret = dbgp_out(addr, bytes, size);
-		if (ret == -DBGP_ERR_BAD) {
-			int try_loops = 3;
-			do {
-				/* Emit a dummy packet to re-sync communication
-				 * with the debug device */
-				if (dbgp_out(addr, "12345678", 8) >= 0) {
-					udelay(2);
-					goto try_again;
-				}
-			} while (try_loops--);
-		}
-	}
+	ret = dbgp_wait_until_done(ctrl);
 
 	return ret;
 }
@@ -304,7 +293,7 @@ static int dbgp_bulk_read(unsigned devnum, unsigned endpoint, void *data,
 	addr = DBGP_EPADDR(devnum, endpoint);
 
 	pids = readl(&ehci_debug->pids);
-	pids = dbgp_pid_update(pids, USB_PID_IN);
+	pids = dbgp_pid_read_update(pids, USB_PID_IN);
 
 	ctrl = readl(&ehci_debug->control);
 	ctrl = dbgp_len_update(ctrl, size);
@@ -362,7 +351,6 @@ static int dbgp_control_msg(unsigned devnum, int requesttype,
 	return dbgp_bulk_read(devnum, 0, data, size);
 }
 
-
 /* Find a PCI capability */
 static u32 __init find_cap(u32 num, u32 slot, u32 func, int cap)
 {
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index ee411206c699..11a3e0fa4331 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -747,7 +747,7 @@ config USB_MASS_STORAGE
 	  which may be used with composite framework.
 
 	  Say "y" to link the driver statically, or "m" to build
-	  a dynamically linked module called "g_file_storage".  If unsure,
+	  a dynamically linked module called "g_mass_storage".  If unsure,
 	  consider File-backed Storage Gadget.
 
 config USB_G_SERIAL
@@ -812,6 +812,16 @@ config USB_CDC_COMPOSITE
 	  Say "y" to link the driver statically, or "m" to build a
 	  dynamically linked module.
 
+config USB_G_NOKIA
+	tristate "Nokia composite gadget"
+	depends on PHONET
+	help
+	  The Nokia composite gadget provides support for acm, obex
+	  and phonet in only one composite gadget driver.
+
+	  It's only really useful for N900 hardware. If you're building
+	  a kernel for N900, say Y or M here. If unsure, say N.
+
 config USB_G_MULTI
 	tristate "Multifunction Composite Gadget (EXPERIMENTAL)"
 	depends on BLOCK && NET
diff --git a/drivers/usb/gadget/Makefile b/drivers/usb/gadget/Makefile
index 2e2c047262b7..43b51da8d727 100644
--- a/drivers/usb/gadget/Makefile
+++ b/drivers/usb/gadget/Makefile
@@ -43,6 +43,7 @@ g_mass_storage-objs		:= mass_storage.o
 g_printer-objs			:= printer.o
 g_cdc-objs			:= cdc2.o
 g_multi-objs			:= multi.o
+g_nokia-objs			:= nokia.o
 
 obj-$(CONFIG_USB_ZERO)		+= g_zero.o
 obj-$(CONFIG_USB_AUDIO)		+= g_audio.o
@@ -55,4 +56,5 @@ obj-$(CONFIG_USB_G_PRINTER)	+= g_printer.o
 obj-$(CONFIG_USB_MIDI_GADGET)	+= g_midi.o
 obj-$(CONFIG_USB_CDC_COMPOSITE) += g_cdc.o
 obj-$(CONFIG_USB_G_MULTI)	+= g_multi.o
+obj-$(CONFIG_USB_G_NOKIA)	+= g_nokia.o
 
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index 043e04db2a05..df1bae9b048e 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1370,6 +1370,12 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc)
 {
 	struct at91_udc		*udc = _udc;
 	u32			rescans = 5;
+	int			disable_clock = 0;
+
+	if (!udc->clocked) {
+		clk_on(udc);
+		disable_clock = 1;
+	}
 
 	while (rescans--) {
 		u32 status;
@@ -1458,6 +1464,9 @@ static irqreturn_t at91_udc_irq (int irq, void *_udc)
 		}
 	}
 
+	if (disable_clock)
+		clk_off(udc);
+
 	return IRQ_HANDLED;
 }
 
@@ -1656,9 +1665,7 @@ static int __init at91udc_probe(struct platform_device *pdev)
 	if (!res)
 		return -ENXIO;
 
-	if (!request_mem_region(res->start,
-			res->end - res->start + 1,
-			driver_name)) {
+	if (!request_mem_region(res->start, resource_size(res), driver_name)) {
 		DBG("someone's using UDC memory\n");
 		return -EBUSY;
 	}
@@ -1699,7 +1706,7 @@ static int __init at91udc_probe(struct platform_device *pdev)
 		udc->ep[3].maxpacket = 64;
 	}
 
-	udc->udp_baseaddr = ioremap(res->start, res->end - res->start + 1);
+	udc->udp_baseaddr = ioremap(res->start, resource_size(res));
 	if (!udc->udp_baseaddr) {
 		retval = -ENOMEM;
 		goto fail0a;
@@ -1781,7 +1788,7 @@ fail0a:
 	if (cpu_is_at91rm9200())
 		gpio_free(udc->board.pullup_pin);
 fail0:
-	release_mem_region(res->start, res->end - res->start + 1);
+	release_mem_region(res->start, resource_size(res));
 	DBG("%s probe failed, %d\n", driver_name, retval);
 	return retval;
 }
@@ -1813,7 +1820,7 @@ static int __exit at91udc_remove(struct platform_device *pdev)
 		gpio_free(udc->board.pullup_pin);
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	release_mem_region(res->start, res->end - res->start + 1);
+	release_mem_region(res->start, resource_size(res));
 
 	clk_put(udc->iclk);
 	clk_put(udc->fclk);
diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 4e970cf0e29a..f79bdfe4bed9 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -320,7 +320,7 @@ static inline void usba_cleanup_debugfs(struct usba_udc *udc)
 static int vbus_is_present(struct usba_udc *udc)
 {
 	if (gpio_is_valid(udc->vbus_pin))
-		return gpio_get_value(udc->vbus_pin);
+		return gpio_get_value(udc->vbus_pin) ^ udc->vbus_pin_inverted;
 
 	/* No Vbus detection: Assume always present */
 	return 1;
@@ -1763,7 +1763,7 @@ static irqreturn_t usba_vbus_irq(int irq, void *devid)
 	if (!udc->driver)
 		goto out;
 
-	vbus = gpio_get_value(udc->vbus_pin);
+	vbus = vbus_is_present(udc);
 	if (vbus != udc->vbus_prev) {
 		if (vbus) {
 			toggle_bias(1);
@@ -1914,14 +1914,14 @@ static int __init usba_udc_probe(struct platform_device *pdev)
 	udc->vbus_pin = -ENODEV;
 
 	ret = -ENOMEM;
-	udc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	udc->regs = ioremap(regs->start, resource_size(regs));
 	if (!udc->regs) {
 		dev_err(&pdev->dev, "Unable to map I/O memory, aborting.\n");
 		goto err_map_regs;
 	}
 	dev_info(&pdev->dev, "MMIO registers at 0x%08lx mapped at %p\n",
 		 (unsigned long)regs->start, udc->regs);
-	udc->fifo = ioremap(fifo->start, fifo->end - fifo->start + 1);
+	udc->fifo = ioremap(fifo->start, resource_size(fifo));
 	if (!udc->fifo) {
 		dev_err(&pdev->dev, "Unable to map FIFO, aborting.\n");
 		goto err_map_fifo;
@@ -2000,6 +2000,7 @@ static int __init usba_udc_probe(struct platform_device *pdev)
 	if (gpio_is_valid(pdata->vbus_pin)) {
 		if (!gpio_request(pdata->vbus_pin, "atmel_usba_udc")) {
 			udc->vbus_pin = pdata->vbus_pin;
+			udc->vbus_pin_inverted = pdata->vbus_pin_inverted;
 
 			ret = request_irq(gpio_to_irq(udc->vbus_pin),
 					usba_vbus_irq, 0,
diff --git a/drivers/usb/gadget/atmel_usba_udc.h b/drivers/usb/gadget/atmel_usba_udc.h
index f7baea307f0d..88a2e07a11a8 100644
--- a/drivers/usb/gadget/atmel_usba_udc.h
+++ b/drivers/usb/gadget/atmel_usba_udc.h
@@ -323,6 +323,7 @@ struct usba_udc {
 	struct platform_device *pdev;
 	int irq;
 	int vbus_pin;
+	int vbus_pin_inverted;
 	struct clk *pclk;
 	struct clk *hclk;
 
diff --git a/drivers/usb/gadget/epautoconf.c b/drivers/usb/gadget/epautoconf.c
index cd0914ec898e..3568de210f79 100644
--- a/drivers/usb/gadget/epautoconf.c
+++ b/drivers/usb/gadget/epautoconf.c
@@ -265,16 +265,24 @@ struct usb_ep * __init usb_ep_autoconfig (
 				return ep;
 		}
 
-	} else if (gadget_is_sh (gadget) && USB_ENDPOINT_XFER_INT == type) {
-		/* single buffering is enough; maybe 8 byte fifo is too */
-		ep = find_ep (gadget, "ep3in-bulk");
-		if (ep && ep_matches (gadget, ep, desc))
-			return ep;
-
-	} else if (gadget_is_mq11xx (gadget) && USB_ENDPOINT_XFER_INT == type) {
-		ep = find_ep (gadget, "ep1-bulk");
+#ifdef CONFIG_BLACKFIN
+	} else if (gadget_is_musbhdrc(gadget)) {
+		if ((USB_ENDPOINT_XFER_BULK == type) ||
+		    (USB_ENDPOINT_XFER_ISOC == type)) {
+			if (USB_DIR_IN & desc->bEndpointAddress)
+				ep = find_ep (gadget, "ep5in");
+			else
+				ep = find_ep (gadget, "ep6out");
+		} else if (USB_ENDPOINT_XFER_INT == type) {
+			if (USB_DIR_IN & desc->bEndpointAddress)
+				ep = find_ep(gadget, "ep1in");
+			else
+				ep = find_ep(gadget, "ep2out");
+		} else
+			ep = NULL;
 		if (ep && ep_matches (gadget, ep, desc))
 			return ep;
+#endif
 	}
 
 	/* Second, look at endpoints until an unclaimed one looks usable */
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 141372b6e7a1..400f80372d93 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -259,7 +259,7 @@ static struct usb_configuration rndis_config_driver = {
 
 /*-------------------------------------------------------------------------*/
 
-#ifdef USB_ETH_EEM
+#ifdef CONFIG_USB_ETH_EEM
 static int use_eem = 1;
 #else
 static int use_eem;
diff --git a/drivers/usb/gadget/f_acm.c b/drivers/usb/gadget/f_acm.c
index d10353d46b86..e49c7325dce2 100644
--- a/drivers/usb/gadget/f_acm.c
+++ b/drivers/usb/gadget/f_acm.c
@@ -702,14 +702,6 @@ acm_unbind(struct usb_configuration *c, struct usb_function *f)
 /* Some controllers can't support CDC ACM ... */
 static inline bool can_support_cdc(struct usb_configuration *c)
 {
-	/* SH3 doesn't support multiple interfaces */
-	if (gadget_is_sh(c->cdev->gadget))
-		return false;
-
-	/* sa1100 doesn't have a third interrupt endpoint */
-	if (gadget_is_sa1100(c->cdev->gadget))
-		return false;
-
 	/* everything else is *probably* fine ... */
 	return true;
 }
diff --git a/drivers/usb/gadget/f_ecm.c b/drivers/usb/gadget/f_ecm.c
index ecf5bdd0ae06..2fff530efc19 100644
--- a/drivers/usb/gadget/f_ecm.c
+++ b/drivers/usb/gadget/f_ecm.c
@@ -497,12 +497,9 @@ static int ecm_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
 			struct net_device	*net;
 
 			/* Enable zlps by default for ECM conformance;
-			 * override for musb_hdrc (avoids txdma ovhead)
-			 * and sa1100 (can't).
+			 * override for musb_hdrc (avoids txdma ovhead).
 			 */
-			ecm->port.is_zlp_ok = !(
-				   gadget_is_sa1100(cdev->gadget)
-				|| gadget_is_musbhdrc(cdev->gadget)
+			ecm->port.is_zlp_ok = !(gadget_is_musbhdrc(cdev->gadget)
 				);
 			ecm->port.cdc_filter = DEFAULT_FILTER;
 			DBG(cdev, "activate ecm\n");
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index a37640eba434..f4911c09022e 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -368,7 +368,7 @@ struct fsg_common {
 	struct task_struct	*thread_task;
 
 	/* Callback function to call when thread exits. */
-	void			(*thread_exits)(struct fsg_common *common);
+	int			(*thread_exits)(struct fsg_common *common);
 	/* Gadget's private data. */
 	void			*private_data;
 
@@ -392,8 +392,12 @@ struct fsg_config {
 	const char		*lun_name_format;
 	const char		*thread_name;
 
-	/* Callback function to call when thread exits. */
-	void			(*thread_exits)(struct fsg_common *common);
+	/* Callback function to call when thread exits.  If no
+	 * callback is set or it returns value lower then zero MSF
+	 * will force eject all LUNs it operates on (including those
+	 * marked as non-removable or with prevent_medium_removal flag
+	 * set). */
+	int			(*thread_exits)(struct fsg_common *common);
 	/* Gadget's private data. */
 	void			*private_data;
 
@@ -614,7 +618,12 @@ static int fsg_setup(struct usb_function *f,
 			return -EDOM;
 		VDBG(fsg, "get max LUN\n");
 		*(u8 *) req->buf = fsg->common->nluns - 1;
-		return 1;
+
+		/* Respond with data/status */
+		req->length = min((u16)1, w_length);
+		fsg->common->ep0req_name =
+			ctrl->bRequestType & USB_DIR_IN ? "ep0-in" : "ep0-out";
+		return ep0_queue(fsg->common);
 	}
 
 	VDBG(fsg,
@@ -1041,7 +1050,7 @@ static void invalidate_sub(struct fsg_lun *curlun)
 	unsigned long	rc;
 
 	rc = invalidate_mapping_pages(inode->i_mapping, 0, -1);
-	VLDBG(curlun, "invalidate_inode_pages -> %ld\n", rc);
+	VLDBG(curlun, "invalidate_mapping_pages -> %ld\n", rc);
 }
 
 static int do_verify(struct fsg_common *common)
@@ -2524,14 +2533,6 @@ static void handle_exception(struct fsg_common *common)
 
 	case FSG_STATE_CONFIG_CHANGE:
 		rc = do_set_config(common, new_config);
-		if (common->ep0_req_tag != exception_req_tag)
-			break;
-		if (rc != 0) {			/* STALL on errors */
-			DBG(common, "ep0 set halt\n");
-			usb_ep_set_halt(common->ep0);
-		} else {			/* Complete the status stage */
-			ep0_queue(common);
-		}
 		break;
 
 	case FSG_STATE_EXIT:
@@ -2615,8 +2616,20 @@ static int fsg_main_thread(void *common_)
 	common->thread_task = NULL;
 	spin_unlock_irq(&common->lock);
 
-	if (common->thread_exits)
-		common->thread_exits(common);
+	if (!common->thread_exits || common->thread_exits(common) < 0) {
+		struct fsg_lun *curlun = common->luns;
+		unsigned i = common->nluns;
+
+		down_write(&common->filesem);
+		for (; i--; ++curlun) {
+			if (!fsg_lun_is_open(curlun))
+				continue;
+
+			fsg_lun_close(curlun);
+			curlun->unit_attention_data = SS_MEDIUM_NOT_PRESENT;
+		}
+		up_write(&common->filesem);
+	}
 
 	/* Let the unbind and cleanup routines know the thread has exited */
 	complete_and_exit(&common->thread_notifier, 0);
@@ -2763,10 +2776,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
 	if (cfg->release != 0xffff) {
 		i = cfg->release;
 	} else {
-		/* The sa1100 controller is not supported */
-		i = gadget_is_sa1100(gadget)
-			? -1
-			: usb_gadget_controller_number(gadget);
+		i = usb_gadget_controller_number(gadget);
 		if (i >= 0) {
 			i = 0x0300 + i;
 		} else {
@@ -2791,8 +2801,7 @@ static struct fsg_common *fsg_common_init(struct fsg_common *common,
 	 * disable stalls.
 	 */
 	common->can_stall = cfg->can_stall &&
-		!(gadget_is_sh(common->gadget) ||
-		  gadget_is_at91(common->gadget));
+		!(gadget_is_at91(common->gadget));
 
 
 	spin_lock_init(&common->lock);
@@ -2852,7 +2861,6 @@ error_release:
 	/* Call fsg_common_release() directly, ref might be not
 	 * initialised */
 	fsg_common_release(&common->ref);
-	complete(&common->thread_notifier);
 	return ERR_PTR(rc);
 }
 
@@ -2902,7 +2910,7 @@ static void fsg_unbind(struct usb_configuration *c, struct usb_function *f)
 }
 
 
-static int fsg_bind(struct usb_configuration *c, struct usb_function *f)
+static int __init fsg_bind(struct usb_configuration *c, struct usb_function *f)
 {
 	struct fsg_dev		*fsg = fsg_from_func(f);
 	struct usb_gadget	*gadget = c->cdev->gadget;
@@ -2946,7 +2954,6 @@ static int fsg_bind(struct usb_configuration *c, struct usb_function *f)
 autoconf_fail:
 	ERROR(fsg, "unable to autoconfigure all endpoints\n");
 	rc = -ENOTSUPP;
-	fsg_unbind(c, f);
 	return rc;
 }
 
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index 95dae4c1ea40..a30e60c7f129 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -769,10 +769,6 @@ rndis_unbind(struct usb_configuration *c, struct usb_function *f)
 /* Some controllers can't support RNDIS ... */
 static inline bool can_support_rndis(struct usb_configuration *c)
 {
-	/* only two endpoints on sa1100 */
-	if (gadget_is_sa1100(c->cdev->gadget))
-		return false;
-
 	/* everything else is *presumably* fine */
 	return true;
 }
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index 29dfb0277ffb..b49d86e3e45b 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -1448,7 +1448,7 @@ static void invalidate_sub(struct fsg_lun *curlun)
 	unsigned long	rc;
 
 	rc = invalidate_mapping_pages(inode->i_mapping, 0, -1);
-	VLDBG(curlun, "invalidate_inode_pages -> %ld\n", rc);
+	VLDBG(curlun, "invalidate_mapping_pages -> %ld\n", rc);
 }
 
 static int do_verify(struct fsg_dev *fsg)
@@ -3208,15 +3208,11 @@ static int __init check_parameters(struct fsg_dev *fsg)
 	 * halt bulk endpoints correctly.  If one of them is present,
 	 * disable stalls.
 	 */
-	if (gadget_is_sh(fsg->gadget) || gadget_is_at91(fsg->gadget))
+	if (gadget_is_at91(fsg->gadget))
 		mod_data.can_stall = 0;
 
 	if (mod_data.release == 0xffff) {	// Parameter wasn't set
-		/* The sa1100 controller is not supported */
-		if (gadget_is_sa1100(fsg->gadget))
-			gcnum = -1;
-		else
-			gcnum = usb_gadget_controller_number(fsg->gadget);
+		gcnum = usb_gadget_controller_number(fsg->gadget);
 		if (gcnum >= 0)
 			mod_data.release = 0x0300 + gcnum;
 		else {
diff --git a/drivers/usb/gadget/fsl_mx3_udc.c b/drivers/usb/gadget/fsl_mx3_udc.c
index 4bc2bf3d602e..20a802ecaa15 100644
--- a/drivers/usb/gadget/fsl_mx3_udc.c
+++ b/drivers/usb/gadget/fsl_mx3_udc.c
@@ -17,6 +17,8 @@
 #include <linux/fsl_devices.h>
 #include <linux/platform_device.h>
 
+#include <mach/hardware.h>
+
 static struct clk *mxc_ahb_clk;
 static struct clk *mxc_usb_clk;
 
@@ -28,14 +30,16 @@ int fsl_udc_clk_init(struct platform_device *pdev)
 
 	pdata = pdev->dev.platform_data;
 
-	mxc_ahb_clk = clk_get(&pdev->dev, "usb_ahb");
-	if (IS_ERR(mxc_ahb_clk))
-		return PTR_ERR(mxc_ahb_clk);
+	if (!cpu_is_mx35()) {
+		mxc_ahb_clk = clk_get(&pdev->dev, "usb_ahb");
+		if (IS_ERR(mxc_ahb_clk))
+			return PTR_ERR(mxc_ahb_clk);
 
-	ret = clk_enable(mxc_ahb_clk);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "clk_enable(\"usb_ahb\") failed\n");
-		goto eenahb;
+		ret = clk_enable(mxc_ahb_clk);
+		if (ret < 0) {
+			dev_err(&pdev->dev, "clk_enable(\"usb_ahb\") failed\n");
+			goto eenahb;
+		}
 	}
 
 	/* make sure USB_CLK is running at 60 MHz +/- 1000 Hz */
@@ -50,6 +54,7 @@ int fsl_udc_clk_init(struct platform_device *pdev)
 	if (pdata->phy_mode != FSL_USB2_PHY_ULPI &&
 	    (freq < 59999000 || freq > 60001000)) {
 		dev_err(&pdev->dev, "USB_CLK=%lu, should be 60MHz\n", freq);
+		ret = -EINVAL;
 		goto eclkrate;
 	}
 
@@ -66,9 +71,11 @@ eclkrate:
 	clk_put(mxc_usb_clk);
 	mxc_usb_clk = NULL;
 egusb:
-	clk_disable(mxc_ahb_clk);
+	if (!cpu_is_mx35())
+		clk_disable(mxc_ahb_clk);
 eenahb:
-	clk_put(mxc_ahb_clk);
+	if (!cpu_is_mx35())
+		clk_put(mxc_ahb_clk);
 	return ret;
 }
 
@@ -90,6 +97,8 @@ void fsl_udc_clk_release(void)
 		clk_disable(mxc_usb_clk);
 		clk_put(mxc_usb_clk);
 	}
-	clk_disable(mxc_ahb_clk);
-	clk_put(mxc_ahb_clk);
+	if (!cpu_is_mx35()) {
+		clk_disable(mxc_ahb_clk);
+		clk_put(mxc_ahb_clk);
+	}
 }
diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c
index 7881f12413c4..3537d51073b2 100644
--- a/drivers/usb/gadget/fsl_qe_udc.c
+++ b/drivers/usb/gadget/fsl_qe_udc.c
@@ -2749,7 +2749,7 @@ static int __devexit qe_udc_remove(struct of_device *ofdev)
 }
 
 /*-------------------------------------------------------------------------*/
-static struct of_device_id __devinitdata qe_udc_match[] = {
+static const struct of_device_id qe_udc_match[] __devinitconst = {
 	{
 		.compatible = "fsl,mpc8323-qe-usb",
 		.data = (void *)PORT_QE,
diff --git a/drivers/usb/gadget/gadget_chips.h b/drivers/usb/gadget/gadget_chips.h
index f2d270b202f2..e511fec9f26d 100644
--- a/drivers/usb/gadget/gadget_chips.h
+++ b/drivers/usb/gadget/gadget_chips.h
@@ -45,46 +45,18 @@
 #define	gadget_is_goku(g)	0
 #endif
 
-/* SH3 UDC -- not yet ported 2.4 --> 2.6 */
-#ifdef CONFIG_USB_GADGET_SUPERH
-#define	gadget_is_sh(g)		!strcmp("sh_udc", (g)->name)
-#else
-#define	gadget_is_sh(g)		0
-#endif
-
-/* not yet stable on 2.6 (would help "original Zaurus") */
-#ifdef CONFIG_USB_GADGET_SA1100
-#define	gadget_is_sa1100(g)	!strcmp("sa1100_udc", (g)->name)
-#else
-#define	gadget_is_sa1100(g)	0
-#endif
-
 #ifdef CONFIG_USB_GADGET_LH7A40X
 #define	gadget_is_lh7a40x(g)	!strcmp("lh7a40x_udc", (g)->name)
 #else
 #define	gadget_is_lh7a40x(g)	0
 #endif
 
-/* handhelds.org tree (?) */
-#ifdef CONFIG_USB_GADGET_MQ11XX
-#define	gadget_is_mq11xx(g)	!strcmp("mq11xx_udc", (g)->name)
-#else
-#define	gadget_is_mq11xx(g)	0
-#endif
-
 #ifdef CONFIG_USB_GADGET_OMAP
 #define	gadget_is_omap(g)	!strcmp("omap_udc", (g)->name)
 #else
 #define	gadget_is_omap(g)	0
 #endif
 
-/* not yet ported 2.4 --> 2.6 */
-#ifdef CONFIG_USB_GADGET_N9604
-#define	gadget_is_n9604(g)	!strcmp("n9604_udc", (g)->name)
-#else
-#define	gadget_is_n9604(g)	0
-#endif
-
 /* various unstable versions available */
 #ifdef CONFIG_USB_GADGET_PXA27X
 #define	gadget_is_pxa27x(g)	!strcmp("pxa27x_udc", (g)->name)
@@ -122,14 +94,6 @@
 #define gadget_is_fsl_usb2(g)	0
 #endif
 
-/* Mentor high speed function controller */
-/* from Montavista kernel (?) */
-#ifdef CONFIG_USB_GADGET_MUSBHSFC
-#define gadget_is_musbhsfc(g)	!strcmp("musbhsfc_udc", (g)->name)
-#else
-#define gadget_is_musbhsfc(g)	0
-#endif
-
 /* Mentor high speed "dual role" controller, in peripheral role */
 #ifdef CONFIG_USB_GADGET_MUSB_HDRC
 #define gadget_is_musbhdrc(g)	!strcmp("musb_hdrc", (g)->name)
@@ -143,13 +107,6 @@
 #define gadget_is_langwell(g)	0
 #endif
 
-/* from Montavista kernel (?) */
-#ifdef CONFIG_USB_GADGET_MPC8272
-#define gadget_is_mpc8272(g)	!strcmp("mpc8272_udc", (g)->name)
-#else
-#define gadget_is_mpc8272(g)	0
-#endif
-
 #ifdef CONFIG_USB_GADGET_M66592
 #define	gadget_is_m66592(g)	!strcmp("m66592_udc", (g)->name)
 #else
@@ -179,6 +136,12 @@
 #define	gadget_is_r8a66597(g)	0
 #endif
 
+#ifdef CONFIG_USB_S3C_HSOTG
+#define gadget_is_s3c_hsotg(g)    (!strcmp("s3c-hsotg", (g)->name))
+#else
+#define gadget_is_s3c_hsotg(g)    0
+#endif
+
 
 /**
  * usb_gadget_controller_number - support bcdDevice id convention
@@ -203,20 +166,12 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
 		return 0x02;
 	else if (gadget_is_pxa(gadget))
 		return 0x03;
-	else if (gadget_is_sh(gadget))
-		return 0x04;
-	else if (gadget_is_sa1100(gadget))
-		return 0x05;
 	else if (gadget_is_goku(gadget))
 		return 0x06;
-	else if (gadget_is_mq11xx(gadget))
-		return 0x07;
 	else if (gadget_is_omap(gadget))
 		return 0x08;
 	else if (gadget_is_lh7a40x(gadget))
 		return 0x09;
-	else if (gadget_is_n9604(gadget))
-		return 0x10;
 	else if (gadget_is_pxa27x(gadget))
 		return 0x11;
 	else if (gadget_is_s3c2410(gadget))
@@ -225,12 +180,8 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
 		return 0x13;
 	else if (gadget_is_imx(gadget))
 		return 0x14;
-	else if (gadget_is_musbhsfc(gadget))
-		return 0x15;
 	else if (gadget_is_musbhdrc(gadget))
 		return 0x16;
-	else if (gadget_is_mpc8272(gadget))
-		return 0x17;
 	else if (gadget_is_atmel_usba(gadget))
 		return 0x18;
 	else if (gadget_is_fsl_usb2(gadget))
@@ -247,6 +198,8 @@ static inline int usb_gadget_controller_number(struct usb_gadget *gadget)
 		return 0x24;
 	else if (gadget_is_r8a66597(gadget))
 		return 0x25;
+	else if (gadget_is_s3c_hsotg(gadget))
+		return 0x26;
 	return -ENOENT;
 }
 
@@ -265,10 +218,6 @@ static inline bool gadget_supports_altsettings(struct usb_gadget *gadget)
 	if (gadget_is_pxa27x(gadget))
 		return false;
 
-	/* SH3 hardware just doesn't do altsettings */
-	if (gadget_is_sh(gadget))
-		return false;
-
 	/* Everything else is *presumably* fine ... */
 	return true;
 }
diff --git a/drivers/usb/gadget/gmidi.c b/drivers/usb/gadget/gmidi.c
index 5f6a2e0a9357..04f6224b7e06 100644
--- a/drivers/usb/gadget/gmidi.c
+++ b/drivers/usb/gadget/gmidi.c
@@ -618,11 +618,6 @@ gmidi_set_config(struct gmidi_device *dev, unsigned number, gfp_t gfp_flags)
 	}
 #endif
 
-	if (gadget_is_sa1100(gadget) && dev->config) {
-		/* tx fifo is full, but we can't clear it...*/
-		ERROR(dev, "can't change configurations\n");
-		return -ESPIPE;
-	}
 	gmidi_reset_config(dev);
 
 	switch (number) {
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index 112bb40a427c..1088d08c7ed8 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -1768,7 +1768,7 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	 * usb_gadget_driver_{register,unregister}() must change.
 	 */
 	if (the_controller) {
-		WARNING(dev, "ignoring %s\n", pci_name(pdev));
+		pr_warning("ignoring %s\n", pci_name(pdev));
 		return -EBUSY;
 	}
 	if (!pdev->irq) {
@@ -1859,7 +1859,7 @@ done:
 
 /*-------------------------------------------------------------------------*/
 
-static struct pci_device_id pci_ids [] = { {
+static const struct pci_device_id pci_ids[] = { {
 	.class =	((PCI_CLASS_SERIAL_USB << 8) | 0xfe),
 	.class_mask =	~0,
 	.vendor =	0x102f,		/* Toshiba */
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index bf0f6520c6df..de8a83803505 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -194,7 +194,7 @@ enum ep_state {
 };
 
 struct ep_data {
-	struct semaphore		lock;
+	struct mutex			lock;
 	enum ep_state			state;
 	atomic_t			count;
 	struct dev_data			*dev;
@@ -298,10 +298,10 @@ get_ready_ep (unsigned f_flags, struct ep_data *epdata)
 	int	val;
 
 	if (f_flags & O_NONBLOCK) {
-		if (down_trylock (&epdata->lock) != 0)
+		if (!mutex_trylock(&epdata->lock))
 			goto nonblock;
 		if (epdata->state != STATE_EP_ENABLED) {
-			up (&epdata->lock);
+			mutex_unlock(&epdata->lock);
 nonblock:
 			val = -EAGAIN;
 		} else
@@ -309,7 +309,8 @@ nonblock:
 		return val;
 	}
 
-	if ((val = down_interruptible (&epdata->lock)) < 0)
+	val = mutex_lock_interruptible(&epdata->lock);
+	if (val < 0)
 		return val;
 
 	switch (epdata->state) {
@@ -323,7 +324,7 @@ nonblock:
 		// FALLTHROUGH
 	case STATE_EP_UNBOUND:			/* clean disconnect */
 		val = -ENODEV;
-		up (&epdata->lock);
+		mutex_unlock(&epdata->lock);
 	}
 	return val;
 }
@@ -393,7 +394,7 @@ ep_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
 		if (likely (data->ep != NULL))
 			usb_ep_set_halt (data->ep);
 		spin_unlock_irq (&data->dev->lock);
-		up (&data->lock);
+		mutex_unlock(&data->lock);
 		return -EBADMSG;
 	}
 
@@ -411,7 +412,7 @@ ep_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
 		value = -EFAULT;
 
 free1:
-	up (&data->lock);
+	mutex_unlock(&data->lock);
 	kfree (kbuf);
 	return value;
 }
@@ -436,7 +437,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 		if (likely (data->ep != NULL))
 			usb_ep_set_halt (data->ep);
 		spin_unlock_irq (&data->dev->lock);
-		up (&data->lock);
+		mutex_unlock(&data->lock);
 		return -EBADMSG;
 	}
 
@@ -455,7 +456,7 @@ ep_write (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 	VDEBUG (data->dev, "%s write %zu IN, status %d\n",
 		data->name, len, (int) value);
 free1:
-	up (&data->lock);
+	mutex_unlock(&data->lock);
 	kfree (kbuf);
 	return value;
 }
@@ -466,7 +467,8 @@ ep_release (struct inode *inode, struct file *fd)
 	struct ep_data		*data = fd->private_data;
 	int value;
 
-	if ((value = down_interruptible(&data->lock)) < 0)
+	value = mutex_lock_interruptible(&data->lock);
+	if (value < 0)
 		return value;
 
 	/* clean up if this can be reopened */
@@ -476,7 +478,7 @@ ep_release (struct inode *inode, struct file *fd)
 		data->hs_desc.bDescriptorType = 0;
 		usb_ep_disable(data->ep);
 	}
-	up (&data->lock);
+	mutex_unlock(&data->lock);
 	put_ep (data);
 	return 0;
 }
@@ -507,7 +509,7 @@ static long ep_ioctl(struct file *fd, unsigned code, unsigned long value)
 	} else
 		status = -ENODEV;
 	spin_unlock_irq (&data->dev->lock);
-	up (&data->lock);
+	mutex_unlock(&data->lock);
 	return status;
 }
 
@@ -673,7 +675,7 @@ fail:
 		value = -ENODEV;
 	spin_unlock_irq(&epdata->dev->lock);
 
-	up(&epdata->lock);
+	mutex_unlock(&epdata->lock);
 
 	if (unlikely(value)) {
 		kfree(priv);
@@ -765,7 +767,8 @@ ep_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr)
 	u32			tag;
 	int			value, length = len;
 
-	if ((value = down_interruptible (&data->lock)) < 0)
+	value = mutex_lock_interruptible(&data->lock);
+	if (value < 0)
 		return value;
 
 	if (data->state != STATE_EP_READY) {
@@ -854,7 +857,7 @@ fail:
 		data->desc.bDescriptorType = 0;
 		data->hs_desc.bDescriptorType = 0;
 	}
-	up (&data->lock);
+	mutex_unlock(&data->lock);
 	return value;
 fail0:
 	value = -EINVAL;
@@ -870,7 +873,7 @@ ep_open (struct inode *inode, struct file *fd)
 	struct ep_data		*data = inode->i_private;
 	int			value = -EBUSY;
 
-	if (down_interruptible (&data->lock) != 0)
+	if (mutex_lock_interruptible(&data->lock) != 0)
 		return -EINTR;
 	spin_lock_irq (&data->dev->lock);
 	if (data->dev->state == STATE_DEV_UNBOUND)
@@ -885,7 +888,7 @@ ep_open (struct inode *inode, struct file *fd)
 		DBG (data->dev, "%s state %d\n",
 			data->name, data->state);
 	spin_unlock_irq (&data->dev->lock);
-	up (&data->lock);
+	mutex_unlock(&data->lock);
 	return value;
 }
 
@@ -1631,7 +1634,7 @@ static int activate_ep_files (struct dev_data *dev)
 		if (!data)
 			goto enomem0;
 		data->state = STATE_EP_DISABLED;
-		init_MUTEX (&data->lock);
+		mutex_init(&data->lock);
 		init_waitqueue_head (&data->wait);
 
 		strncpy (data->name, ep->name, sizeof (data->name) - 1);
diff --git a/drivers/usb/gadget/mass_storage.c b/drivers/usb/gadget/mass_storage.c
index 19619fbf20ac..705cc1f76327 100644
--- a/drivers/usb/gadget/mass_storage.c
+++ b/drivers/usb/gadget/mass_storage.c
@@ -135,6 +135,12 @@ FSG_MODULE_PARAMETERS(/* no prefix */, mod_data);
 static unsigned long msg_registered = 0;
 static void msg_cleanup(void);
 
+static int msg_thread_exits(struct fsg_common *common)
+{
+	msg_cleanup();
+	return 0;
+}
+
 static int __init msg_do_config(struct usb_configuration *c)
 {
 	struct fsg_common *common;
@@ -147,7 +153,7 @@ static int __init msg_do_config(struct usb_configuration *c)
 	}
 
 	fsg_config_from_params(&config, &mod_data);
-	config.thread_exits = (void(*)(struct fsg_common*))&msg_cleanup;
+	config.thread_exits = msg_thread_exits;
 	common = fsg_common_init(0, c->cdev, &config);
 	if (IS_ERR(common))
 		return PTR_ERR(common);
diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
index 76496f5d272c..a930d7fd7e7a 100644
--- a/drivers/usb/gadget/multi.c
+++ b/drivers/usb/gadget/multi.c
@@ -211,8 +211,6 @@ static int __init cdc_do_config(struct usb_configuration *c)
 	ret = fsg_add(c->cdev, c, fsg_common);
 	if (ret < 0)
 		return ret;
-	if (ret < 0)
-		return ret;
 
 	return 0;
 }
diff --git a/drivers/usb/gadget/nokia.c b/drivers/usb/gadget/nokia.c
new file mode 100644
index 000000000000..7d6b66a85724
--- /dev/null
+++ b/drivers/usb/gadget/nokia.c
@@ -0,0 +1,259 @@
+/*
+ * nokia.c -- Nokia Composite Gadget Driver
+ *
+ * Copyright (C) 2008-2010 Nokia Corporation
+ * Contact: Felipe Balbi <felipe.balbi@nokia.com>
+ *
+ * This gadget driver borrows from serial.c which is:
+ *
+ * Copyright (C) 2003 Al Borchers (alborchers@steinerpoint.com)
+ * Copyright (C) 2008 by David Brownell
+ * Copyright (C) 2008 by Nokia Corporation
+ *
+ * This software is distributed under the terms of the GNU General
+ * Public License ("GPL") as published by the Free Software Foundation,
+ * version 2 of that License.
+ */
+
+#include <linux/kernel.h>
+#include <linux/utsname.h>
+#include <linux/device.h>
+
+#include "u_serial.h"
+#include "u_ether.h"
+#include "u_phonet.h"
+#include "gadget_chips.h"
+
+/* Defines */
+
+#define NOKIA_VERSION_NUM		0x0211
+#define NOKIA_LONG_NAME			"N900 (PC-Suite Mode)"
+
+/*-------------------------------------------------------------------------*/
+
+/*
+ * Kbuild is not very cooperative with respect to linking separately
+ * compiled library objects into one module.  So for now we won't use
+ * separate compilation ... ensuring init/exit sections work to shrink
+ * the runtime footprint, and giving us at least some parts of what
+ * a "gcc --combine ... part1.c part2.c part3.c ... " build would.
+ */
+#include "composite.c"
+#include "usbstring.c"
+#include "config.c"
+#include "epautoconf.c"
+
+#include "u_serial.c"
+#include "f_acm.c"
+#include "f_ecm.c"
+#include "f_obex.c"
+#include "f_serial.c"
+#include "f_phonet.c"
+#include "u_ether.c"
+
+/*-------------------------------------------------------------------------*/
+
+#define NOKIA_VENDOR_ID			0x0421	/* Nokia */
+#define NOKIA_PRODUCT_ID		0x01c8	/* Nokia Gadget */
+
+/* string IDs are assigned dynamically */
+
+#define STRING_MANUFACTURER_IDX		0
+#define STRING_PRODUCT_IDX		1
+#define STRING_DESCRIPTION_IDX		2
+
+static char manufacturer_nokia[] = "Nokia";
+static const char product_nokia[] = NOKIA_LONG_NAME;
+static const char description_nokia[] = "PC-Suite Configuration";
+
+static struct usb_string strings_dev[] = {
+	[STRING_MANUFACTURER_IDX].s = manufacturer_nokia,
+	[STRING_PRODUCT_IDX].s = NOKIA_LONG_NAME,
+	[STRING_DESCRIPTION_IDX].s = description_nokia,
+	{  } /* end of list */
+};
+
+static struct usb_gadget_strings stringtab_dev = {
+	.language	= 0x0409,	/* en-us */
+	.strings	= strings_dev,
+};
+
+static struct usb_gadget_strings *dev_strings[] = {
+	&stringtab_dev,
+	NULL,
+};
+
+static struct usb_device_descriptor device_desc = {
+	.bLength		= USB_DT_DEVICE_SIZE,
+	.bDescriptorType	= USB_DT_DEVICE,
+	.bcdUSB			= __constant_cpu_to_le16(0x0200),
+	.bDeviceClass		= USB_CLASS_COMM,
+	.idVendor		= __constant_cpu_to_le16(NOKIA_VENDOR_ID),
+	.idProduct		= __constant_cpu_to_le16(NOKIA_PRODUCT_ID),
+	/* .iManufacturer = DYNAMIC */
+	/* .iProduct = DYNAMIC */
+	.bNumConfigurations =	1,
+};
+
+/*-------------------------------------------------------------------------*/
+
+/* Module */
+MODULE_DESCRIPTION("Nokia composite gadget driver for N900");
+MODULE_AUTHOR("Felipe Balbi");
+MODULE_LICENSE("GPL");
+
+/*-------------------------------------------------------------------------*/
+
+static u8 hostaddr[ETH_ALEN];
+
+static int __init nokia_bind_config(struct usb_configuration *c)
+{
+	int status = 0;
+
+	status = phonet_bind_config(c);
+	if (status)
+		printk(KERN_DEBUG "could not bind phonet config\n");
+
+	status = obex_bind_config(c, 0);
+	if (status)
+		printk(KERN_DEBUG "could not bind obex config %d\n", 0);
+
+	status = obex_bind_config(c, 1);
+	if (status)
+		printk(KERN_DEBUG "could not bind obex config %d\n", 0);
+
+	status = acm_bind_config(c, 2);
+	if (status)
+		printk(KERN_DEBUG "could not bind acm config\n");
+
+	status = ecm_bind_config(c, hostaddr);
+	if (status)
+		printk(KERN_DEBUG "could not bind ecm config\n");
+
+	return status;
+}
+
+static struct usb_configuration nokia_config_500ma_driver = {
+	.label		= "Bus Powered",
+	.bind		= nokia_bind_config,
+	.bConfigurationValue = 1,
+	/* .iConfiguration = DYNAMIC */
+	.bmAttributes	= USB_CONFIG_ATT_ONE,
+	.bMaxPower	= 250, /* 500mA */
+};
+
+static struct usb_configuration nokia_config_100ma_driver = {
+	.label		= "Self Powered",
+	.bind		= nokia_bind_config,
+	.bConfigurationValue = 2,
+	/* .iConfiguration = DYNAMIC */
+	.bmAttributes	= USB_CONFIG_ATT_ONE | USB_CONFIG_ATT_SELFPOWER,
+	.bMaxPower	= 50, /* 100 mA */
+};
+
+static int __init nokia_bind(struct usb_composite_dev *cdev)
+{
+	int			gcnum;
+	struct usb_gadget	*gadget = cdev->gadget;
+	int			status;
+
+	status = gphonet_setup(cdev->gadget);
+	if (status < 0)
+		goto err_phonet;
+
+	status = gserial_setup(cdev->gadget, 3);
+	if (status < 0)
+		goto err_serial;
+
+	status = gether_setup(cdev->gadget, hostaddr);
+	if (status < 0)
+		goto err_ether;
+
+	status = usb_string_id(cdev);
+	if (status < 0)
+		goto err_usb;
+	strings_dev[STRING_MANUFACTURER_IDX].id = status;
+
+	device_desc.iManufacturer = status;
+
+	status = usb_string_id(cdev);
+	if (status < 0)
+		goto err_usb;
+	strings_dev[STRING_PRODUCT_IDX].id = status;
+
+	device_desc.iProduct = status;
+
+	/* config description */
+	status = usb_string_id(cdev);
+	if (status < 0)
+		goto err_usb;
+	strings_dev[STRING_DESCRIPTION_IDX].id = status;
+
+	nokia_config_500ma_driver.iConfiguration = status;
+	nokia_config_100ma_driver.iConfiguration = status;
+
+	/* set up other descriptors */
+	gcnum = usb_gadget_controller_number(gadget);
+	if (gcnum >= 0)
+		device_desc.bcdDevice = cpu_to_le16(NOKIA_VERSION_NUM);
+	else {
+		/* this should only work with hw that supports altsettings
+		 * and several endpoints, anything else, panic.
+		 */
+		pr_err("nokia_bind: controller '%s' not recognized\n",
+			gadget->name);
+		goto err_usb;
+	}
+
+	/* finaly register the configuration */
+	status = usb_add_config(cdev, &nokia_config_500ma_driver);
+	if (status < 0)
+		goto err_usb;
+
+	status = usb_add_config(cdev, &nokia_config_100ma_driver);
+	if (status < 0)
+		goto err_usb;
+
+	dev_info(&gadget->dev, "%s\n", NOKIA_LONG_NAME);
+
+	return 0;
+
+err_usb:
+	gether_cleanup();
+err_ether:
+	gserial_cleanup();
+err_serial:
+	gphonet_cleanup();
+err_phonet:
+	return status;
+}
+
+static int __exit nokia_unbind(struct usb_composite_dev *cdev)
+{
+	gphonet_cleanup();
+	gserial_cleanup();
+	gether_cleanup();
+
+	return 0;
+}
+
+static struct usb_composite_driver nokia_driver = {
+	.name		= "g_nokia",
+	.dev		= &device_desc,
+	.strings	= dev_strings,
+	.bind		= nokia_bind,
+	.unbind		= __exit_p(nokia_unbind),
+};
+
+static int __init nokia_init(void)
+{
+	return usb_composite_register(&nokia_driver);
+}
+module_init(nokia_init);
+
+static void __exit nokia_cleanup(void)
+{
+	usb_composite_unregister(&nokia_driver);
+}
+module_exit(nokia_cleanup);
+
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c
index 2d867fd22413..6b8bf8c781c4 100644
--- a/drivers/usb/gadget/printer.c
+++ b/drivers/usb/gadget/printer.c
@@ -949,12 +949,6 @@ printer_set_config(struct printer_dev *dev, unsigned number)
 	int			result = 0;
 	struct usb_gadget	*gadget = dev->gadget;
 
-	if (gadget_is_sa1100(gadget) && dev->config) {
-		/* tx fifo is full, but we can't clear it...*/
-		INFO(dev, "can't change configurations\n");
-		return -ESPIPE;
-	}
-
 	switch (number) {
 	case DEV_CONFIG_VALUE:
 		result = 0;
@@ -1033,12 +1027,6 @@ set_interface(struct printer_dev *dev, unsigned number)
 {
 	int			result = 0;
 
-	if (gadget_is_sa1100(dev->gadget) && dev->interface < 0) {
-		/* tx fifo is full, but we can't clear it...*/
-		INFO(dev, "can't change interfaces\n");
-		return -ESPIPE;
-	}
-
 	/* Free the current interface */
 	switch (dev->interface) {
 	case PRINTER_INTERFACE:
@@ -1392,12 +1380,6 @@ printer_bind(struct usb_gadget *gadget)
 		goto fail;
 	}
 
-	if (gadget_is_sa1100(gadget)) {
-		/* hardware can't write zero length packets. */
-		ERROR(dev, "SA1100 controller is unsupport by this driver\n");
-		goto fail;
-	}
-
 	gcnum = usb_gadget_controller_number(gadget);
 	if (gcnum >= 0) {
 		device_desc.bcdDevice = cpu_to_le16(0x0200 + gcnum);
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c
index e6fedbd5a654..be5fb34d9602 100644
--- a/drivers/usb/gadget/pxa25x_udc.c
+++ b/drivers/usb/gadget/pxa25x_udc.c
@@ -65,6 +65,10 @@
 #include <mach/pxa25x-udc.h>
 #endif
 
+#ifdef CONFIG_ARCH_LUBBOCK
+#include <mach/lubbock.h>
+#endif
+
 #include <asm/mach/udc_pxa2xx.h>
 
 
diff --git a/drivers/usb/gadget/pxa27x_udc.c b/drivers/usb/gadget/pxa27x_udc.c
index adda1208a1ec..05b892c3d686 100644
--- a/drivers/usb/gadget/pxa27x_udc.c
+++ b/drivers/usb/gadget/pxa27x_udc.c
@@ -742,13 +742,17 @@ static void ep_del_request(struct pxa_ep *ep, struct pxa27x_request *req)
  * @ep: pxa physical endpoint
  * @req: pxa request
  * @status: usb request status sent to gadget API
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
  *
- * Context: ep->lock held
+ * Context: ep->lock held if flags not NULL, else ep->lock released
  *
  * Retire a pxa27x usb request. Endpoint must be locked.
  */
-static void req_done(struct pxa_ep *ep, struct pxa27x_request *req, int status)
+static void req_done(struct pxa_ep *ep, struct pxa27x_request *req, int status,
+	unsigned long *pflags)
 {
+	unsigned long	flags;
+
 	ep_del_request(ep, req);
 	if (likely(req->req.status == -EINPROGRESS))
 		req->req.status = status;
@@ -760,38 +764,48 @@ static void req_done(struct pxa_ep *ep, struct pxa27x_request *req, int status)
 			&req->req, status,
 			req->req.actual, req->req.length);
 
+	if (pflags)
+		spin_unlock_irqrestore(&ep->lock, *pflags);
+	local_irq_save(flags);
 	req->req.complete(&req->udc_usb_ep->usb_ep, &req->req);
+	local_irq_restore(flags);
+	if (pflags)
+		spin_lock_irqsave(&ep->lock, *pflags);
 }
 
 /**
  * ep_end_out_req - Ends endpoint OUT request
  * @ep: physical endpoint
  * @req: pxa request
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
  *
- * Context: ep->lock held
+ * Context: ep->lock held or released (see req_done())
  *
  * Ends endpoint OUT request (completes usb request).
  */
-static void ep_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req)
+static void ep_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req,
+	unsigned long *pflags)
 {
 	inc_ep_stats_reqs(ep, !USB_DIR_IN);
-	req_done(ep, req, 0);
+	req_done(ep, req, 0, pflags);
 }
 
 /**
  * ep0_end_out_req - Ends control endpoint OUT request (ends data stage)
  * @ep: physical endpoint
  * @req: pxa request
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
  *
- * Context: ep->lock held
+ * Context: ep->lock held or released (see req_done())
  *
  * Ends control endpoint OUT request (completes usb request), and puts
  * control endpoint into idle state
  */
-static void ep0_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req)
+static void ep0_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req,
+	unsigned long *pflags)
 {
 	set_ep0state(ep->dev, OUT_STATUS_STAGE);
-	ep_end_out_req(ep, req);
+	ep_end_out_req(ep, req, pflags);
 	ep0_idle(ep->dev);
 }
 
@@ -799,31 +813,35 @@ static void ep0_end_out_req(struct pxa_ep *ep, struct pxa27x_request *req)
  * ep_end_in_req - Ends endpoint IN request
  * @ep: physical endpoint
  * @req: pxa request
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
  *
- * Context: ep->lock held
+ * Context: ep->lock held or released (see req_done())
  *
  * Ends endpoint IN request (completes usb request).
  */
-static void ep_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req)
+static void ep_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req,
+	unsigned long *pflags)
 {
 	inc_ep_stats_reqs(ep, USB_DIR_IN);
-	req_done(ep, req, 0);
+	req_done(ep, req, 0, pflags);
 }
 
 /**
  * ep0_end_in_req - Ends control endpoint IN request (ends data stage)
  * @ep: physical endpoint
  * @req: pxa request
+ * @pflags: flags of previous spinlock_irq_save() or NULL if no lock held
  *
- * Context: ep->lock held
+ * Context: ep->lock held or released (see req_done())
  *
  * Ends control endpoint IN request (completes usb request), and puts
  * control endpoint into status state
  */
-static void ep0_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req)
+static void ep0_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req,
+	unsigned long *pflags)
 {
 	set_ep0state(ep->dev, IN_STATUS_STAGE);
-	ep_end_in_req(ep, req);
+	ep_end_in_req(ep, req, pflags);
 }
 
 /**
@@ -831,19 +849,22 @@ static void ep0_end_in_req(struct pxa_ep *ep, struct pxa27x_request *req)
  * @ep: pxa endpoint
  * @status: usb request status
  *
- * Context: ep->lock held
+ * Context: ep->lock released
  *
  * Dequeues all requests on an endpoint. As a side effect, interrupts will be
  * disabled on that endpoint (because no more requests).
  */
 static void nuke(struct pxa_ep *ep, int status)
 {
-	struct pxa27x_request *req;
+	struct pxa27x_request	*req;
+	unsigned long		flags;
 
+	spin_lock_irqsave(&ep->lock, flags);
 	while (!list_empty(&ep->queue)) {
 		req = list_entry(ep->queue.next, struct pxa27x_request, queue);
-		req_done(ep, req, status);
+		req_done(ep, req, status, &flags);
 	}
+	spin_unlock_irqrestore(&ep->lock, flags);
 }
 
 /**
@@ -1123,6 +1144,7 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
 	int			rc = 0;
 	int			is_first_req;
 	unsigned		length;
+	int			recursion_detected;
 
 	req = container_of(_req, struct pxa27x_request, req);
 	udc_usb_ep = container_of(_ep, struct udc_usb_ep, usb_ep);
@@ -1152,6 +1174,7 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
 		return -EMSGSIZE;
 
 	spin_lock_irqsave(&ep->lock, flags);
+	recursion_detected = ep->in_handle_ep;
 
 	is_first_req = list_empty(&ep->queue);
 	ep_dbg(ep, "queue req %p(first=%s), len %d buf %p\n",
@@ -1161,12 +1184,12 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
 	if (!ep->enabled) {
 		_req->status = -ESHUTDOWN;
 		rc = -ESHUTDOWN;
-		goto out;
+		goto out_locked;
 	}
 
 	if (req->in_use) {
 		ep_err(ep, "refusing to queue req %p (already queued)\n", req);
-		goto out;
+		goto out_locked;
 	}
 
 	length = _req->length;
@@ -1174,12 +1197,13 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
 	_req->actual = 0;
 
 	ep_add_request(ep, req);
+	spin_unlock_irqrestore(&ep->lock, flags);
 
 	if (is_ep0(ep)) {
 		switch (dev->ep0state) {
 		case WAIT_ACK_SET_CONF_INTERF:
 			if (length == 0) {
-				ep_end_in_req(ep, req);
+				ep_end_in_req(ep, req, NULL);
 			} else {
 				ep_err(ep, "got a request of %d bytes while"
 					"in state WAIT_ACK_SET_CONF_INTERF\n",
@@ -1192,12 +1216,12 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
 		case IN_DATA_STAGE:
 			if (!ep_is_full(ep))
 				if (write_ep0_fifo(ep, req))
-					ep0_end_in_req(ep, req);
+					ep0_end_in_req(ep, req, NULL);
 			break;
 		case OUT_DATA_STAGE:
 			if ((length == 0) || !epout_has_pkt(ep))
 				if (read_ep0_fifo(ep, req))
-					ep0_end_out_req(ep, req);
+					ep0_end_out_req(ep, req, NULL);
 			break;
 		default:
 			ep_err(ep, "odd state %s to send me a request\n",
@@ -1207,12 +1231,15 @@ static int pxa_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
 			break;
 		}
 	} else {
-		handle_ep(ep);
+		if (!recursion_detected)
+			handle_ep(ep);
 	}
 
 out:
-	spin_unlock_irqrestore(&ep->lock, flags);
 	return rc;
+out_locked:
+	spin_unlock_irqrestore(&ep->lock, flags);
+	goto out;
 }
 
 /**
@@ -1242,13 +1269,14 @@ static int pxa_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
 	/* make sure it's actually queued on this endpoint */
 	list_for_each_entry(req, &ep->queue, queue) {
 		if (&req->req == _req) {
-			req_done(ep, req, -ECONNRESET);
 			rc = 0;
 			break;
 		}
 	}
 
 	spin_unlock_irqrestore(&ep->lock, flags);
+	if (!rc)
+		req_done(ep, req, -ECONNRESET, NULL);
 	return rc;
 }
 
@@ -1445,7 +1473,6 @@ static int pxa_ep_disable(struct usb_ep *_ep)
 {
 	struct pxa_ep		*ep;
 	struct udc_usb_ep	*udc_usb_ep;
-	unsigned long		flags;
 
 	if (!_ep)
 		return -EINVAL;
@@ -1455,10 +1482,8 @@ static int pxa_ep_disable(struct usb_ep *_ep)
 	if (!ep || is_ep0(ep) || !list_empty(&ep->queue))
 		return -EINVAL;
 
-	spin_lock_irqsave(&ep->lock, flags);
 	ep->enabled = 0;
 	nuke(ep, -ESHUTDOWN);
-	spin_unlock_irqrestore(&ep->lock, flags);
 
 	pxa_ep_fifo_flush(_ep);
 	udc_usb_ep->pxa_ep = NULL;
@@ -1907,8 +1932,10 @@ static void handle_ep0_ctrl_req(struct pxa_udc *udc,
 	} u;
 	int i;
 	int have_extrabytes = 0;
+	unsigned long flags;
 
 	nuke(ep, -EPROTO);
+	spin_lock_irqsave(&ep->lock, flags);
 
 	/*
 	 * In the PXA320 manual, in the section about Back-to-Back setup
@@ -1947,10 +1974,13 @@ static void handle_ep0_ctrl_req(struct pxa_udc *udc,
 	/* Tell UDC to enter Data Stage */
 	ep_write_UDCCSR(ep, UDCCSR0_SA | UDCCSR0_OPC);
 
+	spin_unlock_irqrestore(&ep->lock, flags);
 	i = udc->driver->setup(&udc->gadget, &u.r);
+	spin_lock_irqsave(&ep->lock, flags);
 	if (i < 0)
 		goto stall;
 out:
+	spin_unlock_irqrestore(&ep->lock, flags);
 	return;
 stall:
 	ep_dbg(ep, "protocol STALL, udccsr0=%03x err %d\n",
@@ -2055,13 +2085,13 @@ static void handle_ep0(struct pxa_udc *udc, int fifo_irq, int opc_irq)
 		if (req && !ep_is_full(ep))
 			completed = write_ep0_fifo(ep, req);
 		if (completed)
-			ep0_end_in_req(ep, req);
+			ep0_end_in_req(ep, req, NULL);
 		break;
 	case OUT_DATA_STAGE:			/* SET_DESCRIPTOR */
 		if (epout_has_pkt(ep) && req)
 			completed = read_ep0_fifo(ep, req);
 		if (completed)
-			ep0_end_out_req(ep, req);
+			ep0_end_out_req(ep, req, NULL);
 		break;
 	case STALL:
 		ep_write_UDCCSR(ep, UDCCSR0_FST);
@@ -2091,7 +2121,7 @@ static void handle_ep0(struct pxa_udc *udc, int fifo_irq, int opc_irq)
  * Tries to transfer all pending request data into the endpoint and/or
  * transfer all pending data in the endpoint into usb requests.
  *
- * Is always called when in_interrupt() or with ep->lock held.
+ * Is always called when in_interrupt() and with ep->lock released.
  */
 static void handle_ep(struct pxa_ep *ep)
 {
@@ -2100,10 +2130,17 @@ static void handle_ep(struct pxa_ep *ep)
 	u32 udccsr;
 	int is_in = ep->dir_in;
 	int loop = 0;
+	unsigned long		flags;
+
+	spin_lock_irqsave(&ep->lock, flags);
+	if (ep->in_handle_ep)
+		goto recursion_detected;
+	ep->in_handle_ep = 1;
 
 	do {
 		completed = 0;
 		udccsr = udc_ep_readl(ep, UDCCSR);
+
 		if (likely(!list_empty(&ep->queue)))
 			req = list_entry(ep->queue.next,
 					struct pxa27x_request, queue);
@@ -2122,15 +2159,22 @@ static void handle_ep(struct pxa_ep *ep)
 		if (unlikely(is_in)) {
 			if (likely(!ep_is_full(ep)))
 				completed = write_fifo(ep, req);
-			if (completed)
-				ep_end_in_req(ep, req);
 		} else {
 			if (likely(epout_has_pkt(ep)))
 				completed = read_fifo(ep, req);
-			if (completed)
-				ep_end_out_req(ep, req);
+		}
+
+		if (completed) {
+			if (is_in)
+				ep_end_in_req(ep, req, &flags);
+			else
+				ep_end_out_req(ep, req, &flags);
 		}
 	} while (completed);
+
+	ep->in_handle_ep = 0;
+recursion_detected:
+	spin_unlock_irqrestore(&ep->lock, flags);
 }
 
 /**
@@ -2218,9 +2262,13 @@ static void irq_handle_data(int irq, struct pxa_udc *udc)
 			continue;
 
 		udc_writel(udc, UDCISR0, UDCISR_INT(i, UDCISR_INT_MASK));
-		ep = &udc->pxa_ep[i];
-		ep->stats.irqs++;
-		handle_ep(ep);
+
+		WARN_ON(i >= ARRAY_SIZE(udc->pxa_ep));
+		if (i < ARRAY_SIZE(udc->pxa_ep)) {
+			ep = &udc->pxa_ep[i];
+			ep->stats.irqs++;
+			handle_ep(ep);
+		}
 	}
 
 	for (i = 16; udcisr1 != 0 && i < 24; udcisr1 >>= 2, i++) {
@@ -2228,9 +2276,12 @@ static void irq_handle_data(int irq, struct pxa_udc *udc)
 		if (!(udcisr1 & UDCISR_INT_MASK))
 			continue;
 
-		ep = &udc->pxa_ep[i];
-		ep->stats.irqs++;
-		handle_ep(ep);
+		WARN_ON(i >= ARRAY_SIZE(udc->pxa_ep));
+		if (i < ARRAY_SIZE(udc->pxa_ep)) {
+			ep = &udc->pxa_ep[i];
+			ep->stats.irqs++;
+			handle_ep(ep);
+		}
 	}
 
 }
@@ -2439,7 +2490,7 @@ static int __init pxa_udc_probe(struct platform_device *pdev)
 	}
 
 	retval = -ENOMEM;
-	udc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	udc->regs = ioremap(regs->start, resource_size(regs));
 	if (!udc->regs) {
 		dev_err(&pdev->dev, "Unable to map UDC I/O memory\n");
 		goto err_map;
diff --git a/drivers/usb/gadget/pxa27x_udc.h b/drivers/usb/gadget/pxa27x_udc.h
index e25225e26586..ff61e4866e8a 100644
--- a/drivers/usb/gadget/pxa27x_udc.h
+++ b/drivers/usb/gadget/pxa27x_udc.h
@@ -318,6 +318,11 @@ struct udc_usb_ep {
  * @queue: requests queue
  * @lock: lock to pxa_ep data (queues and stats)
  * @enabled: true when endpoint enabled (not stopped by gadget layer)
+ * @in_handle_ep: number of recursions of handle_ep() function
+ * 	Prevents deadlocks or infinite recursions of types :
+ *	  irq->handle_ep()->req_done()->req.complete()->pxa_ep_queue()->handle_ep()
+ *      or
+ *        pxa_ep_queue()->handle_ep()->req_done()->req.complete()->pxa_ep_queue()
  * @idx: endpoint index (1 => epA, 2 => epB, ..., 24 => epX)
  * @name: endpoint name (for trace/debug purpose)
  * @dir_in: 1 if IN endpoint, 0 if OUT endpoint
@@ -346,6 +351,7 @@ struct pxa_ep {
 	spinlock_t		lock;		/* Protects this structure */
 						/* (queues, stats) */
 	unsigned		enabled:1;
+	unsigned		in_handle_ep:1;
 
 	unsigned		idx:5;
 	char			*name;
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 5fc80a104150..f742c8e7397c 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -30,7 +30,7 @@
 
 #include <plat/regs-usb-hsotg-phy.h>
 #include <plat/regs-usb-hsotg.h>
-#include <plat/regs-sys.h>
+#include <mach/regs-sys.h>
 #include <plat/udc-hs.h>
 
 #define DMA_ADDR_INVALID (~((dma_addr_t)0))
@@ -317,7 +317,8 @@ static void s3c_hsotg_init_fifo(struct s3c_hsotg *hsotg)
  *
  * Allocate a new USB request structure appropriate for the specified endpoint
  */
-struct usb_request *s3c_hsotg_ep_alloc_request(struct usb_ep *ep, gfp_t flags)
+static struct usb_request *s3c_hsotg_ep_alloc_request(struct usb_ep *ep,
+						      gfp_t flags)
 {
 	struct s3c_hsotg_req *req;
 
@@ -373,7 +374,7 @@ static void s3c_hsotg_unmap_dma(struct s3c_hsotg *hsotg,
 		req->dma = DMA_ADDR_INVALID;
 		hs_req->mapped = 0;
 	} else {
-		dma_sync_single(hsotg->dev, req->dma, req->length, dir);
+		dma_sync_single_for_cpu(hsotg->dev, req->dma, req->length, dir);
 	}
 }
 
@@ -755,7 +756,7 @@ static int s3c_hsotg_map_dma(struct s3c_hsotg *hsotg,
 		hs_req->mapped = 1;
 		req->dma = dma;
 	} else {
-		dma_sync_single(hsotg->dev, req->dma, req->length, dir);
+		dma_sync_single_for_cpu(hsotg->dev, req->dma, req->length, dir);
 		hs_req->mapped = 0;
 	}
 
@@ -1460,7 +1461,7 @@ static u32 s3c_hsotg_read_frameno(struct s3c_hsotg *hsotg)
  * as the actual data should be sent to the memory directly and we turn
  * on the completion interrupts to get notifications of transfer completion.
  */
-void s3c_hsotg_handle_rx(struct s3c_hsotg *hsotg)
+static void s3c_hsotg_handle_rx(struct s3c_hsotg *hsotg)
 {
 	u32 grxstsr = readl(hsotg->regs + S3C_GRXSTSP);
 	u32 epnum, status, size;
@@ -3094,7 +3095,7 @@ static void s3c_hsotg_gate(struct platform_device *pdev, bool on)
 	local_irq_restore(flags);
 }
 
-struct s3c_hsotg_plat s3c_hsotg_default_pdata;
+static struct s3c_hsotg_plat s3c_hsotg_default_pdata;
 
 static int __devinit s3c_hsotg_probe(struct platform_device *pdev)
 {
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 2fc02bd95848..84ca195c2d10 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -746,6 +746,10 @@ static const struct net_device_ops eth_netdev_ops = {
 	.ndo_validate_addr	= eth_validate_addr,
 };
 
+static struct device_type gadget_type = {
+	.name	= "gadget",
+};
+
 /**
  * gether_setup - initialize one ethernet-over-usb link
  * @g: gadget to associated with these links
@@ -808,6 +812,7 @@ int __init gether_setup(struct usb_gadget *g, u8 ethaddr[ETH_ALEN])
 
 	dev->gadget = g;
 	SET_NETDEV_DEV(net, &g->dev);
+	SET_NETDEV_DEVTYPE(net, &gadget_type);
 
 	status = register_netdev(net);
 	if (status < 0) {
diff --git a/drivers/usb/gadget/u_ether.h b/drivers/usb/gadget/u_ether.h
index fd55f450bc0e..3c8c0c9f9d72 100644
--- a/drivers/usb/gadget/u_ether.h
+++ b/drivers/usb/gadget/u_ether.h
@@ -93,13 +93,6 @@ static inline bool can_support_ecm(struct usb_gadget *gadget)
 	if (!gadget_supports_altsettings(gadget))
 		return false;
 
-	/* SA1100 can do ECM, *without* status endpoint ... but we'll
-	 * only use it in non-ECM mode for backwards compatibility
-	 * (and since we currently require a status endpoint)
-	 */
-	if (gadget_is_sa1100(gadget))
-		return false;
-
 	/* Everything else is *presumably* fine ... but this is a bit
 	 * chancy, so be **CERTAIN** there are no hardware issues with
 	 * your controller.  Add it above if it can't handle CDC.
diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 2d772401b7ad..fac81ee193dd 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -297,12 +297,10 @@ static int __init zero_bind(struct usb_composite_dev *cdev)
 	 */
 	if (loopdefault) {
 		loopback_add(cdev, autoresume != 0);
-		if (!gadget_is_sh(gadget))
-			sourcesink_add(cdev, autoresume != 0);
+		sourcesink_add(cdev, autoresume != 0);
 	} else {
 		sourcesink_add(cdev, autoresume != 0);
-		if (!gadget_is_sh(gadget))
-			loopback_add(cdev, autoresume != 0);
+		loopback_add(cdev, autoresume != 0);
 	}
 
 	gcnum = usb_gadget_controller_number(gadget);
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 2678a1624fcc..8d3df0397de3 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -399,3 +399,14 @@ config USB_HWA_HCD
 
 	  To compile this driver a module, choose M here: the module
 	  will be called "hwa-hc".
+
+config USB_IMX21_HCD
+       tristate "iMX21 HCD support"
+       depends on USB && ARM && MACH_MX21
+       help
+         This driver enables support for the on-chip USB host in the
+         iMX21 processor.
+
+         To compile this driver as a module, choose M here: the
+         module will be called "imx21-hcd".
+
diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile
index f58b2494c44a..b6315aa47f7a 100644
--- a/drivers/usb/host/Makefile
+++ b/drivers/usb/host/Makefile
@@ -12,7 +12,7 @@ fhci-objs := fhci-hcd.o fhci-hub.o fhci-q.o fhci-mem.o \
 ifeq ($(CONFIG_FHCI_DEBUG),y)
 fhci-objs += fhci-dbg.o
 endif
-xhci-objs := xhci-hcd.o xhci-mem.o xhci-pci.o xhci-ring.o xhci-hub.o xhci-dbg.o
+xhci-hcd-objs := xhci.o xhci-mem.o xhci-pci.o xhci-ring.o xhci-hub.o xhci-dbg.o
 
 obj-$(CONFIG_USB_WHCI_HCD)	+= whci/
 
@@ -25,10 +25,12 @@ obj-$(CONFIG_USB_ISP1362_HCD)	+= isp1362-hcd.o
 obj-$(CONFIG_USB_OHCI_HCD)	+= ohci-hcd.o
 obj-$(CONFIG_USB_UHCI_HCD)	+= uhci-hcd.o
 obj-$(CONFIG_USB_FHCI_HCD)	+= fhci.o
-obj-$(CONFIG_USB_XHCI_HCD)	+= xhci.o
+obj-$(CONFIG_USB_XHCI_HCD)	+= xhci-hcd.o
 obj-$(CONFIG_USB_SL811_HCD)	+= sl811-hcd.o
 obj-$(CONFIG_USB_SL811_CS)	+= sl811_cs.o
 obj-$(CONFIG_USB_U132_HCD)	+= u132-hcd.o
 obj-$(CONFIG_USB_R8A66597_HCD)	+= r8a66597-hcd.o
 obj-$(CONFIG_USB_ISP1760_HCD)	+= isp1760.o
 obj-$(CONFIG_USB_HWA_HCD)	+= hwa-hc.o
+obj-$(CONFIG_USB_IMX21_HCD)	+= imx21-hcd.o
+
diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c
index 87c1b7c34c0e..51bd0edf544f 100644
--- a/drivers/usb/host/ehci-atmel.c
+++ b/drivers/usb/host/ehci-atmel.c
@@ -149,7 +149,7 @@ static int __init ehci_atmel_drv_probe(struct platform_device *pdev)
 		goto fail_request_resource;
 	}
 	hcd->rsrc_start = res->start;
-	hcd->rsrc_len = res->end - res->start + 1;
+	hcd->rsrc_len = resource_size(res);
 
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
 				driver->description)) {
diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c
index dbfb482a94e3..e3a74e75e822 100644
--- a/drivers/usb/host/ehci-au1xxx.c
+++ b/drivers/usb/host/ehci-au1xxx.c
@@ -121,6 +121,7 @@ static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev)
 {
 	struct usb_hcd *hcd;
 	struct ehci_hcd *ehci;
+	struct resource *res;
 	int ret;
 
 	if (usb_disabled())
@@ -144,8 +145,9 @@ static int ehci_hcd_au1xxx_drv_probe(struct platform_device *pdev)
 	if (!hcd)
 		return -ENOMEM;
 
-	hcd->rsrc_start = pdev->resource[0].start;
-	hcd->rsrc_len = pdev->resource[0].end - pdev->resource[0].start + 1;
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	hcd->rsrc_start = res->start;
+	hcd->rsrc_len = resource_size(res);
 
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
 		pr_debug("request_mem_region failed");
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 991174937db3..0e26aa13f158 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -1,5 +1,6 @@
 /*
- * Copyright (c) 2005 MontaVista Software
+ * Copyright 2005-2009 MontaVista Software, Inc.
+ * Copyright 2008      Freescale Semiconductor, Inc.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -17,17 +18,20 @@
  *
  * Ported to 834x by Randy Vinson <rvinson@mvista.com> using code provided
  * by Hunter Wu.
+ * Power Management support by Dave Liu <daveliu@freescale.com>,
+ * Jerry Huang <Chang-Ming.Huang@freescale.com> and
+ * Anton Vorontsov <avorontsov@ru.mvista.com>.
  */
 
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/pm.h>
 #include <linux/platform_device.h>
 #include <linux/fsl_devices.h>
 
 #include "ehci-fsl.h"
 
-/* FIXME: Power Management is un-ported so temporarily disable it */
-#undef CONFIG_PM
-
-
 /* configure so an HC device and id are always provided */
 /* always called with process context; sleeping is OK */
 
@@ -40,8 +44,8 @@
  * Allocates basic resources for this USB host controller.
  *
  */
-int usb_hcd_fsl_probe(const struct hc_driver *driver,
-		      struct platform_device *pdev)
+static int usb_hcd_fsl_probe(const struct hc_driver *driver,
+			     struct platform_device *pdev)
 {
 	struct fsl_usb2_platform_data *pdata;
 	struct usb_hcd *hcd;
@@ -147,7 +151,8 @@ int usb_hcd_fsl_probe(const struct hc_driver *driver,
  * Reverses the effect of usb_hcd_fsl_probe().
  *
  */
-void usb_hcd_fsl_remove(struct usb_hcd *hcd, struct platform_device *pdev)
+static void usb_hcd_fsl_remove(struct usb_hcd *hcd,
+			       struct platform_device *pdev)
 {
 	usb_remove_hcd(hcd);
 	iounmap(hcd->regs);
@@ -284,10 +289,81 @@ static int ehci_fsl_setup(struct usb_hcd *hcd)
 	return retval;
 }
 
+struct ehci_fsl {
+	struct ehci_hcd	ehci;
+
+#ifdef CONFIG_PM
+	/* Saved USB PHY settings, need to restore after deep sleep. */
+	u32 usb_ctrl;
+#endif
+};
+
+#ifdef CONFIG_PM
+
+static struct ehci_fsl *hcd_to_ehci_fsl(struct usb_hcd *hcd)
+{
+	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+
+	return container_of(ehci, struct ehci_fsl, ehci);
+}
+
+static int ehci_fsl_drv_suspend(struct device *dev)
+{
+	struct usb_hcd *hcd = dev_get_drvdata(dev);
+	struct ehci_fsl *ehci_fsl = hcd_to_ehci_fsl(hcd);
+	void __iomem *non_ehci = hcd->regs;
+
+	if (!fsl_deep_sleep())
+		return 0;
+
+	ehci_fsl->usb_ctrl = in_be32(non_ehci + FSL_SOC_USB_CTRL);
+	return 0;
+}
+
+static int ehci_fsl_drv_resume(struct device *dev)
+{
+	struct usb_hcd *hcd = dev_get_drvdata(dev);
+	struct ehci_fsl *ehci_fsl = hcd_to_ehci_fsl(hcd);
+	struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+	void __iomem *non_ehci = hcd->regs;
+
+	if (!fsl_deep_sleep())
+		return 0;
+
+	usb_root_hub_lost_power(hcd->self.root_hub);
+
+	/* Restore USB PHY settings and enable the controller. */
+	out_be32(non_ehci + FSL_SOC_USB_CTRL, ehci_fsl->usb_ctrl);
+
+	ehci_reset(ehci);
+	ehci_fsl_reinit(ehci);
+
+	return 0;
+}
+
+static int ehci_fsl_drv_restore(struct device *dev)
+{
+	struct usb_hcd *hcd = dev_get_drvdata(dev);
+
+	usb_root_hub_lost_power(hcd->self.root_hub);
+	return 0;
+}
+
+static struct dev_pm_ops ehci_fsl_pm_ops = {
+	.suspend = ehci_fsl_drv_suspend,
+	.resume = ehci_fsl_drv_resume,
+	.restore = ehci_fsl_drv_restore,
+};
+
+#define EHCI_FSL_PM_OPS		(&ehci_fsl_pm_ops)
+#else
+#define EHCI_FSL_PM_OPS		NULL
+#endif /* CONFIG_PM */
+
 static const struct hc_driver ehci_fsl_hc_driver = {
 	.description = hcd_name,
 	.product_desc = "Freescale On-Chip EHCI Host Controller",
-	.hcd_priv_size = sizeof(struct ehci_hcd),
+	.hcd_priv_size = sizeof(struct ehci_fsl),
 
 	/*
 	 * generic hardware linkage
@@ -354,6 +430,7 @@ static struct platform_driver ehci_fsl_driver = {
 	.remove = ehci_fsl_drv_remove,
 	.shutdown = usb_hcd_platform_shutdown,
 	.driver = {
-		   .name = "fsl-ehci",
+		.name = "fsl-ehci",
+		.pm = EHCI_FSL_PM_OPS,
 	},
 };
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index d8d6d3461d32..dc55a62859c6 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -995,7 +995,7 @@ rescan:
 	/* endpoints can be iso streams.  for now, we don't
 	 * accelerate iso completions ... so spin a while.
 	 */
-	if (qh->hw->hw_info1 == 0) {
+	if (qh->hw == NULL) {
 		ehci_vdbg (ehci, "iso delay\n");
 		goto idle_timeout;
 	}
diff --git a/drivers/usb/host/ehci-mxc.c b/drivers/usb/host/ehci-mxc.c
index 35c56f40bdbb..23cd917088b4 100644
--- a/drivers/usb/host/ehci-mxc.c
+++ b/drivers/usb/host/ehci-mxc.c
@@ -162,6 +162,17 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
 		goto err_ioremap;
 	}
 
+	/* call platform specific init function */
+	if (pdata->init) {
+		ret = pdata->init(pdev);
+		if (ret) {
+			dev_err(dev, "platform init failed\n");
+			goto err_init;
+		}
+		/* platforms need some time to settle changed IO settings */
+		mdelay(10);
+	}
+
 	/* enable clocks */
 	priv->usbclk = clk_get(dev, "usb");
 	if (IS_ERR(priv->usbclk)) {
@@ -192,18 +203,6 @@ static int ehci_mxc_drv_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err_init;
 
-	/* call platform specific init function */
-	if (pdata->init) {
-		ret = pdata->init(pdev);
-		if (ret) {
-			dev_err(dev, "platform init failed\n");
-			goto err_init;
-		}
-	}
-
-	/* most platforms need some time to settle changed IO settings */
-	mdelay(10);
-
 	/* Initialize the transceiver */
 	if (pdata->otg) {
 		pdata->otg->io_priv = hcd->regs + ULPI_VIEWPORT_OFFSET;
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c
index 74d07f4e8b7d..f0282d6bb7aa 100644
--- a/drivers/usb/host/ehci-omap.c
+++ b/drivers/usb/host/ehci-omap.c
@@ -26,10 +26,9 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  *
- * TODO (last updated Feb 23rd, 2009):
+ * TODO (last updated Feb 12, 2010):
  *	- add kernel-doc
  *	- enable AUTOIDLE
- *	- move DPLL5 programming to clock fw
  *	- add suspend/resume
  *	- move workarounds to board-files
  */
@@ -37,6 +36,7 @@
 #include <linux/platform_device.h>
 #include <linux/clk.h>
 #include <linux/gpio.h>
+#include <linux/regulator/consumer.h>
 #include <plat/usb.h>
 
 /*
@@ -178,6 +178,11 @@ struct ehci_hcd_omap {
 	void __iomem		*uhh_base;
 	void __iomem		*tll_base;
 	void __iomem		*ehci_base;
+
+	/* Regulators for USB PHYs.
+	 * Each PHY can have a seperate regulator.
+	 */
+	struct regulator        *regulator[OMAP3_HS_USB_PORTS];
 };
 
 /*-------------------------------------------------------------------------*/
@@ -546,6 +551,8 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
 
 	int irq = platform_get_irq(pdev, 0);
 	int ret = -ENODEV;
+	int i;
+	char supply[7];
 
 	if (!pdata) {
 		dev_dbg(&pdev->dev, "missing platform_data\n");
@@ -613,6 +620,21 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
 		goto err_tll_ioremap;
 	}
 
+	/* get ehci regulator and enable */
+	for (i = 0 ; i < OMAP3_HS_USB_PORTS ; i++) {
+		if (omap->port_mode[i] != EHCI_HCD_OMAP_MODE_PHY) {
+			omap->regulator[i] = NULL;
+			continue;
+		}
+		snprintf(supply, sizeof(supply), "hsusb%d", i);
+		omap->regulator[i] = regulator_get(omap->dev, supply);
+		if (IS_ERR(omap->regulator[i]))
+			dev_dbg(&pdev->dev,
+			"failed to get ehci port%d regulator\n", i);
+		else
+			regulator_enable(omap->regulator[i]);
+	}
+
 	ret = omap_start_ehc(omap, hcd);
 	if (ret) {
 		dev_dbg(&pdev->dev, "failed to start ehci\n");
@@ -622,13 +644,12 @@ static int ehci_hcd_omap_probe(struct platform_device *pdev)
 	omap->ehci->regs = hcd->regs
 		+ HC_LENGTH(readl(&omap->ehci->caps->hc_capbase));
 
+	dbg_hcs_params(omap->ehci, "reset");
+	dbg_hcc_params(omap->ehci, "reset");
+
 	/* cache this readonly data; minimize chip reads */
 	omap->ehci->hcs_params = readl(&omap->ehci->caps->hcs_params);
 
-	/* SET 1 micro-frame Interrupt interval */
-	writel(readl(&omap->ehci->regs->command) | (1 << 16),
-			&omap->ehci->regs->command);
-
 	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
 	if (ret) {
 		dev_dbg(&pdev->dev, "failed to add hcd with err %d\n", ret);
@@ -641,6 +662,12 @@ err_add_hcd:
 	omap_stop_ehc(omap, hcd);
 
 err_start:
+	for (i = 0 ; i < OMAP3_HS_USB_PORTS ; i++) {
+		if (omap->regulator[i]) {
+			regulator_disable(omap->regulator[i]);
+			regulator_put(omap->regulator[i]);
+		}
+	}
 	iounmap(omap->tll_base);
 
 err_tll_ioremap:
@@ -674,13 +701,21 @@ static int ehci_hcd_omap_remove(struct platform_device *pdev)
 {
 	struct ehci_hcd_omap *omap = platform_get_drvdata(pdev);
 	struct usb_hcd *hcd = ehci_to_hcd(omap->ehci);
+	int i;
 
 	usb_remove_hcd(hcd);
 	omap_stop_ehc(omap, hcd);
 	iounmap(hcd->regs);
+	for (i = 0 ; i < OMAP3_HS_USB_PORTS ; i++) {
+		if (omap->regulator[i]) {
+			regulator_disable(omap->regulator[i]);
+			regulator_put(omap->regulator[i]);
+		}
+	}
 	iounmap(omap->tll_base);
 	iounmap(omap->uhh_base);
 	usb_put_hcd(hcd);
+	kfree(omap);
 
 	return 0;
 }
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index 1d283e1b2b8d..0f87dc72820a 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -222,14 +222,14 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev)
 		goto err1;
 	}
 
-	if (!request_mem_region(res->start, res->end - res->start + 1,
+	if (!request_mem_region(res->start, resource_size(res),
 				ehci_orion_hc_driver.description)) {
 		dev_dbg(&pdev->dev, "controller already in use\n");
 		err = -EBUSY;
 		goto err1;
 	}
 
-	regs = ioremap(res->start, res->end - res->start + 1);
+	regs = ioremap(res->start, resource_size(res));
 	if (regs == NULL) {
 		dev_dbg(&pdev->dev, "error mapping memory\n");
 		err = -EFAULT;
@@ -244,7 +244,7 @@ static int __devinit ehci_orion_drv_probe(struct platform_device *pdev)
 	}
 
 	hcd->rsrc_start = res->start;
-	hcd->rsrc_len = res->end - res->start + 1;
+	hcd->rsrc_len = resource_size(res);
 	hcd->regs = regs;
 
 	ehci = hcd_to_ehci(hcd);
@@ -287,7 +287,7 @@ err4:
 err3:
 	iounmap(regs);
 err2:
-	release_mem_region(res->start, res->end - res->start + 1);
+	release_mem_region(res->start, resource_size(res));
 err1:
 	dev_err(&pdev->dev, "init %s fail, %d\n",
 		dev_name(&pdev->dev), err);
diff --git a/drivers/usb/host/ehci-ppc-of.c b/drivers/usb/host/ehci-ppc-of.c
index 36f96da129f5..8df33b8a634c 100644
--- a/drivers/usb/host/ehci-ppc-of.c
+++ b/drivers/usb/host/ehci-ppc-of.c
@@ -134,21 +134,21 @@ ehci_hcd_ppc_of_probe(struct of_device *op, const struct of_device_id *match)
 	hcd->rsrc_len = res.end - res.start + 1;
 
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
-		printk(KERN_ERR __FILE__ ": request_mem_region failed\n");
+		printk(KERN_ERR "%s: request_mem_region failed\n", __FILE__);
 		rv = -EBUSY;
 		goto err_rmr;
 	}
 
 	irq = irq_of_parse_and_map(dn, 0);
 	if (irq == NO_IRQ) {
-		printk(KERN_ERR __FILE__ ": irq_of_parse_and_map failed\n");
+		printk(KERN_ERR "%s: irq_of_parse_and_map failed\n", __FILE__);
 		rv = -EBUSY;
 		goto err_irq;
 	}
 
 	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
 	if (!hcd->regs) {
-		printk(KERN_ERR __FILE__ ": ioremap failed\n");
+		printk(KERN_ERR "%s: ioremap failed\n", __FILE__);
 		rv = -ENOMEM;
 		goto err_ioremap;
 	}
@@ -161,9 +161,9 @@ ehci_hcd_ppc_of_probe(struct of_device *op, const struct of_device_id *match)
 			ehci->ohci_hcctrl_reg = ioremap(res.start +
 					OHCI_HCCTRL_OFFSET, OHCI_HCCTRL_LEN);
 		else
-			pr_debug(__FILE__ ": no ohci offset in fdt\n");
+			pr_debug("%s: no ohci offset in fdt\n", __FILE__);
 		if (!ehci->ohci_hcctrl_reg) {
-			pr_debug(__FILE__ ": ioremap for ohci hcctrl failed\n");
+			pr_debug("%s: ioremap for ohci hcctrl failed\n", __FILE__);
 		} else {
 			ehci->has_amcc_usb23 = 1;
 		}
@@ -241,7 +241,7 @@ static int ehci_hcd_ppc_of_remove(struct of_device *op)
 				else
 					release_mem_region(res.start, 0x4);
 			else
-				pr_debug(__FILE__ ": no ohci offset in fdt\n");
+				pr_debug("%s: no ohci offset in fdt\n", __FILE__);
 			of_node_put(np);
 		}
 
@@ -264,7 +264,7 @@ static int ehci_hcd_ppc_of_shutdown(struct of_device *op)
 }
 
 
-static struct of_device_id ehci_hcd_ppc_of_match[] = {
+static const struct of_device_id ehci_hcd_ppc_of_match[] = {
 	{
 		.compatible = "usb-ehci",
 	},
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c
index 1e391e624c8a..a0aaaaff2560 100644
--- a/drivers/usb/host/ehci-sched.c
+++ b/drivers/usb/host/ehci-sched.c
@@ -510,6 +510,8 @@ static int disable_periodic (struct ehci_hcd *ehci)
 	ehci_writel(ehci, cmd, &ehci->regs->command);
 	/* posted write ... */
 
+	free_cached_itd_list(ehci);
+
 	ehci->next_uframe = -1;
 	return 0;
 }
@@ -1121,8 +1123,8 @@ iso_stream_find (struct ehci_hcd *ehci, struct urb *urb)
 					urb->interval);
 		}
 
-	/* if dev->ep [epnum] is a QH, info1.maxpacket is nonzero */
-	} else if (unlikely (stream->hw_info1 != 0)) {
+	/* if dev->ep [epnum] is a QH, hw is set */
+	} else if (unlikely (stream->hw != NULL)) {
 		ehci_dbg (ehci, "dev %s ep%d%s, not iso??\n",
 			urb->dev->devpath, epnum,
 			usb_pipein(urb->pipe) ? "in" : "out");
@@ -1563,13 +1565,27 @@ itd_patch(
 static inline void
 itd_link (struct ehci_hcd *ehci, unsigned frame, struct ehci_itd *itd)
 {
-	/* always prepend ITD/SITD ... only QH tree is order-sensitive */
-	itd->itd_next = ehci->pshadow [frame];
-	itd->hw_next = ehci->periodic [frame];
-	ehci->pshadow [frame].itd = itd;
+	union ehci_shadow	*prev = &ehci->pshadow[frame];
+	__hc32			*hw_p = &ehci->periodic[frame];
+	union ehci_shadow	here = *prev;
+	__hc32			type = 0;
+
+	/* skip any iso nodes which might belong to previous microframes */
+	while (here.ptr) {
+		type = Q_NEXT_TYPE(ehci, *hw_p);
+		if (type == cpu_to_hc32(ehci, Q_TYPE_QH))
+			break;
+		prev = periodic_next_shadow(ehci, prev, type);
+		hw_p = shadow_next_periodic(ehci, &here, type);
+		here = *prev;
+	}
+
+	itd->itd_next = here;
+	itd->hw_next = *hw_p;
+	prev->itd = itd;
 	itd->frame = frame;
 	wmb ();
-	ehci->periodic[frame] = cpu_to_hc32(ehci, itd->itd_dma | Q_TYPE_ITD);
+	*hw_p = cpu_to_hc32(ehci, itd->itd_dma | Q_TYPE_ITD);
 }
 
 /* fit urb's itds into the selected schedule slot; activate as needed */
@@ -2322,9 +2338,13 @@ restart:
 				 * No need to check for activity unless the
 				 * frame is current.
 				 */
-				if (frame == clock_frame && live &&
-						(q.sitd->hw_results &
-							SITD_ACTIVE(ehci))) {
+				if (((frame == clock_frame) ||
+				     (((frame + 1) % ehci->periodic_size)
+				      == clock_frame))
+				    && live
+				    && (q.sitd->hw_results &
+					SITD_ACTIVE(ehci))) {
+
 					incomplete = true;
 					q_p = &q.sitd->sitd_next;
 					hw_p = &q.sitd->hw_next;
diff --git a/drivers/usb/host/ehci-xilinx-of.c b/drivers/usb/host/ehci-xilinx-of.c
index a5861531ad3e..f603bb2c0a8e 100644
--- a/drivers/usb/host/ehci-xilinx-of.c
+++ b/drivers/usb/host/ehci-xilinx-of.c
@@ -177,21 +177,21 @@ ehci_hcd_xilinx_of_probe(struct of_device *op, const struct of_device_id *match)
 	hcd->rsrc_len = res.end - res.start + 1;
 
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
-		printk(KERN_ERR __FILE__ ": request_mem_region failed\n");
+		printk(KERN_ERR "%s: request_mem_region failed\n", __FILE__);
 		rv = -EBUSY;
 		goto err_rmr;
 	}
 
 	irq = irq_of_parse_and_map(dn, 0);
 	if (irq == NO_IRQ) {
-		printk(KERN_ERR __FILE__ ": irq_of_parse_and_map failed\n");
+		printk(KERN_ERR "%s: irq_of_parse_and_map failed\n", __FILE__);
 		rv = -EBUSY;
 		goto err_irq;
 	}
 
 	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
 	if (!hcd->regs) {
-		printk(KERN_ERR __FILE__ ": ioremap failed\n");
+		printk(KERN_ERR "%s: ioremap failed\n", __FILE__);
 		rv = -ENOMEM;
 		goto err_ioremap;
 	}
@@ -281,7 +281,7 @@ static int ehci_hcd_xilinx_of_shutdown(struct of_device *op)
 }
 
 
-static struct of_device_id ehci_hcd_xilinx_of_match[] = {
+static const struct of_device_id ehci_hcd_xilinx_of_match[] = {
 		{.compatible = "xlnx,xps-usb-host-1.00.a",},
 	{},
 };
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h
index 2d85e21ff282..b1dce96dd621 100644
--- a/drivers/usb/host/ehci.h
+++ b/drivers/usb/host/ehci.h
@@ -394,9 +394,8 @@ struct ehci_iso_sched {
  * acts like a qh would, if EHCI had them for ISO.
  */
 struct ehci_iso_stream {
-	/* first two fields match QH, but info1 == 0 */
-	__hc32			hw_next;
-	__hc32			hw_info1;
+	/* first field matches ehci_hq, but is NULL */
+	struct ehci_qh_hw	*hw;
 
 	u32			refcount;
 	u8			bEndpointAddress;
diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c
index 78e7c3cfcb72..5dcfb3de9945 100644
--- a/drivers/usb/host/fhci-hcd.c
+++ b/drivers/usb/host/fhci-hcd.c
@@ -433,7 +433,7 @@ static int fhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
 		return -ENOMEM;
 
 	/* allocate the private part of the URB */
-	urb_priv->tds = kzalloc(size * sizeof(struct td), mem_flags);
+	urb_priv->tds = kcalloc(size, sizeof(*urb_priv->tds), mem_flags);
 	if (!urb_priv->tds) {
 		kfree(urb_priv);
 		return -ENOMEM;
@@ -805,7 +805,7 @@ static int __devexit of_fhci_remove(struct of_device *ofdev)
 	return fhci_remove(&ofdev->dev);
 }
 
-static struct of_device_id of_fhci_match[] = {
+static const struct of_device_id of_fhci_match[] = {
 	{ .compatible = "fsl,mpc8323-qe-usb", },
 	{},
 };
diff --git a/drivers/usb/host/imx21-dbg.c b/drivers/usb/host/imx21-dbg.c
new file mode 100644
index 000000000000..512f647448ca
--- /dev/null
+++ b/drivers/usb/host/imx21-dbg.c
@@ -0,0 +1,527 @@
+/*
+ * Copyright (c) 2009 by Martin Fuzzey
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* this file is part of imx21-hcd.c */
+
+#ifndef DEBUG
+
+static inline void create_debug_files(struct imx21 *imx21) { }
+static inline void remove_debug_files(struct imx21 *imx21) { }
+static inline void debug_urb_submitted(struct imx21 *imx21, struct urb *urb) {}
+static inline void debug_urb_completed(struct imx21 *imx21, struct urb *urb,
+	int status) {}
+static inline void debug_urb_unlinked(struct imx21 *imx21, struct urb *urb) {}
+static inline void debug_urb_queued_for_etd(struct imx21 *imx21,
+	struct urb *urb) {}
+static inline void debug_urb_queued_for_dmem(struct imx21 *imx21,
+	struct urb *urb) {}
+static inline void debug_etd_allocated(struct imx21 *imx21) {}
+static inline void debug_etd_freed(struct imx21 *imx21) {}
+static inline void debug_dmem_allocated(struct imx21 *imx21, int size) {}
+static inline void debug_dmem_freed(struct imx21 *imx21, int size) {}
+static inline void debug_isoc_submitted(struct imx21 *imx21,
+	int frame, struct td *td) {}
+static inline void debug_isoc_completed(struct imx21 *imx21,
+	int frame, struct td *td, int cc, int len) {}
+
+#else
+
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+
+static const char *dir_labels[] = {
+	"TD 0",
+	"OUT",
+	"IN",
+	"TD 1"
+};
+
+static const char *speed_labels[] = {
+	"Full",
+	"Low"
+};
+
+static const char *format_labels[] = {
+	"Control",
+	"ISO",
+	"Bulk",
+	"Interrupt"
+};
+
+static inline struct debug_stats *stats_for_urb(struct imx21 *imx21,
+	struct urb *urb)
+{
+	return usb_pipeisoc(urb->pipe) ?
+		&imx21->isoc_stats : &imx21->nonisoc_stats;
+}
+
+static void debug_urb_submitted(struct imx21 *imx21, struct urb *urb)
+{
+	stats_for_urb(imx21, urb)->submitted++;
+}
+
+static void debug_urb_completed(struct imx21 *imx21, struct urb *urb, int st)
+{
+	if (st)
+		stats_for_urb(imx21, urb)->completed_failed++;
+	else
+		stats_for_urb(imx21, urb)->completed_ok++;
+}
+
+static void debug_urb_unlinked(struct imx21 *imx21, struct urb *urb)
+{
+	stats_for_urb(imx21, urb)->unlinked++;
+}
+
+static void debug_urb_queued_for_etd(struct imx21 *imx21, struct urb *urb)
+{
+	stats_for_urb(imx21, urb)->queue_etd++;
+}
+
+static void debug_urb_queued_for_dmem(struct imx21 *imx21, struct urb *urb)
+{
+	stats_for_urb(imx21, urb)->queue_dmem++;
+}
+
+static inline void debug_etd_allocated(struct imx21 *imx21)
+{
+	imx21->etd_usage.maximum = max(
+			++(imx21->etd_usage.value),
+			imx21->etd_usage.maximum);
+}
+
+static inline void debug_etd_freed(struct imx21 *imx21)
+{
+	imx21->etd_usage.value--;
+}
+
+static inline void debug_dmem_allocated(struct imx21 *imx21, int size)
+{
+	imx21->dmem_usage.value += size;
+	imx21->dmem_usage.maximum = max(
+			imx21->dmem_usage.value,
+			imx21->dmem_usage.maximum);
+}
+
+static inline void debug_dmem_freed(struct imx21 *imx21, int size)
+{
+	imx21->dmem_usage.value -= size;
+}
+
+
+static void debug_isoc_submitted(struct imx21 *imx21,
+	int frame, struct td *td)
+{
+	struct debug_isoc_trace *trace = &imx21->isoc_trace[
+		imx21->isoc_trace_index++];
+
+	imx21->isoc_trace_index %= ARRAY_SIZE(imx21->isoc_trace);
+	trace->schedule_frame = td->frame;
+	trace->submit_frame = frame;
+	trace->request_len = td->len;
+	trace->td = td;
+}
+
+static inline void debug_isoc_completed(struct imx21 *imx21,
+	int frame, struct td *td, int cc, int len)
+{
+	struct debug_isoc_trace *trace, *trace_failed;
+	int i;
+	int found = 0;
+
+	trace = imx21->isoc_trace;
+	for (i = 0; i < ARRAY_SIZE(imx21->isoc_trace); i++, trace++) {
+		if (trace->td == td) {
+			trace->done_frame = frame;
+			trace->done_len = len;
+			trace->cc = cc;
+			trace->td = NULL;
+			found = 1;
+			break;
+		}
+	}
+
+	if (found && cc) {
+		trace_failed = &imx21->isoc_trace_failed[
+					imx21->isoc_trace_index_failed++];
+
+		imx21->isoc_trace_index_failed %= ARRAY_SIZE(
+						imx21->isoc_trace_failed);
+		*trace_failed = *trace;
+	}
+}
+
+
+static char *format_ep(struct usb_host_endpoint *ep, char *buf, int bufsize)
+{
+	if (ep)
+		snprintf(buf, bufsize, "ep_%02x (type:%02X kaddr:%p)",
+			ep->desc.bEndpointAddress,
+			usb_endpoint_type(&ep->desc),
+			ep);
+	else
+		snprintf(buf, bufsize, "none");
+	return buf;
+}
+
+static char *format_etd_dword0(u32 value, char *buf, int bufsize)
+{
+	snprintf(buf, bufsize,
+		"addr=%d ep=%d dir=%s speed=%s format=%s halted=%d",
+		value & 0x7F,
+		(value >> DW0_ENDPNT) & 0x0F,
+		dir_labels[(value >> DW0_DIRECT) & 0x03],
+		speed_labels[(value >> DW0_SPEED) & 0x01],
+		format_labels[(value >> DW0_FORMAT) & 0x03],
+		(value >> DW0_HALTED) & 0x01);
+	return buf;
+}
+
+static int debug_status_show(struct seq_file *s, void *v)
+{
+	struct imx21 *imx21 = s->private;
+	int etds_allocated = 0;
+	int etds_sw_busy = 0;
+	int etds_hw_busy = 0;
+	int dmem_blocks = 0;
+	int queued_for_etd = 0;
+	int queued_for_dmem = 0;
+	unsigned int dmem_bytes = 0;
+	int i;
+	struct etd_priv *etd;
+	u32 etd_enable_mask;
+	unsigned long flags;
+	struct imx21_dmem_area *dmem;
+	struct ep_priv *ep_priv;
+
+	spin_lock_irqsave(&imx21->lock, flags);
+
+	etd_enable_mask = readl(imx21->regs + USBH_ETDENSET);
+	for (i = 0, etd = imx21->etd; i < USB_NUM_ETD; i++, etd++) {
+		if (etd->alloc)
+			etds_allocated++;
+		if (etd->urb)
+			etds_sw_busy++;
+		if (etd_enable_mask & (1<<i))
+			etds_hw_busy++;
+	}
+
+	list_for_each_entry(dmem, &imx21->dmem_list, list) {
+		dmem_bytes += dmem->size;
+		dmem_blocks++;
+	}
+
+	list_for_each_entry(ep_priv, &imx21->queue_for_etd, queue)
+		queued_for_etd++;
+
+	list_for_each_entry(etd, &imx21->queue_for_dmem, queue)
+		queued_for_dmem++;
+
+	spin_unlock_irqrestore(&imx21->lock, flags);
+
+	seq_printf(s,
+		"Frame: %d\n"
+		"ETDs allocated: %d/%d (max=%d)\n"
+		"ETDs in use sw: %d\n"
+		"ETDs in use hw: %d\n"
+		"DMEM alocated: %d/%d (max=%d)\n"
+		"DMEM blocks: %d\n"
+		"Queued waiting for ETD: %d\n"
+		"Queued waiting for DMEM: %d\n",
+		readl(imx21->regs + USBH_FRMNUB) & 0xFFFF,
+		etds_allocated, USB_NUM_ETD, imx21->etd_usage.maximum,
+		etds_sw_busy,
+		etds_hw_busy,
+		dmem_bytes, DMEM_SIZE, imx21->dmem_usage.maximum,
+		dmem_blocks,
+		queued_for_etd,
+		queued_for_dmem);
+
+	return 0;
+}
+
+static int debug_dmem_show(struct seq_file *s, void *v)
+{
+	struct imx21 *imx21 = s->private;
+	struct imx21_dmem_area *dmem;
+	unsigned long flags;
+	char ep_text[40];
+
+	spin_lock_irqsave(&imx21->lock, flags);
+
+	list_for_each_entry(dmem, &imx21->dmem_list, list)
+		seq_printf(s,
+			"%04X: size=0x%X "
+			"ep=%s\n",
+			dmem->offset, dmem->size,
+			format_ep(dmem->ep, ep_text, sizeof(ep_text)));
+
+	spin_unlock_irqrestore(&imx21->lock, flags);
+
+	return 0;
+}
+
+static int debug_etd_show(struct seq_file *s, void *v)
+{
+	struct imx21 *imx21 = s->private;
+	struct etd_priv *etd;
+	char buf[60];
+	u32 dword;
+	int i, j;
+	unsigned long flags;
+
+	spin_lock_irqsave(&imx21->lock, flags);
+
+	for (i = 0, etd = imx21->etd; i < USB_NUM_ETD; i++, etd++) {
+		int state = -1;
+		struct urb_priv *urb_priv;
+		if (etd->urb) {
+			urb_priv = etd->urb->hcpriv;
+			if (urb_priv)
+				state = urb_priv->state;
+		}
+
+		seq_printf(s,
+			"etd_num: %d\n"
+			"ep: %s\n"
+			"alloc: %d\n"
+			"len: %d\n"
+			"busy sw: %d\n"
+			"busy hw: %d\n"
+			"urb state: %d\n"
+			"current urb: %p\n",
+
+			i,
+			format_ep(etd->ep, buf, sizeof(buf)),
+			etd->alloc,
+			etd->len,
+			etd->urb != NULL,
+			(readl(imx21->regs + USBH_ETDENSET) & (1 << i)) > 0,
+			state,
+			etd->urb);
+
+		for (j = 0; j < 4; j++) {
+			dword = etd_readl(imx21, i, j);
+			switch (j) {
+			case 0:
+				format_etd_dword0(dword, buf, sizeof(buf));
+				break;
+			case 2:
+				snprintf(buf, sizeof(buf),
+					"cc=0X%02X", dword >> DW2_COMPCODE);
+				break;
+			default:
+				*buf = 0;
+				break;
+			}
+			seq_printf(s,
+				"dword %d: submitted=%08X cur=%08X [%s]\n",
+				j,
+				etd->submitted_dwords[j],
+				dword,
+				buf);
+		}
+		seq_printf(s, "\n");
+	}
+
+	spin_unlock_irqrestore(&imx21->lock, flags);
+
+	return 0;
+}
+
+static void debug_statistics_show_one(struct seq_file *s,
+	const char *name, struct debug_stats *stats)
+{
+	seq_printf(s, "%s:\n"
+		"submitted URBs: %lu\n"
+		"completed OK: %lu\n"
+		"completed failed: %lu\n"
+		"unlinked: %lu\n"
+		"queued for ETD: %lu\n"
+		"queued for DMEM: %lu\n\n",
+		name,
+		stats->submitted,
+		stats->completed_ok,
+		stats->completed_failed,
+		stats->unlinked,
+		stats->queue_etd,
+		stats->queue_dmem);
+}
+
+static int debug_statistics_show(struct seq_file *s, void *v)
+{
+	struct imx21 *imx21 = s->private;
+	unsigned long flags;
+
+	spin_lock_irqsave(&imx21->lock, flags);
+
+	debug_statistics_show_one(s, "nonisoc", &imx21->nonisoc_stats);
+	debug_statistics_show_one(s, "isoc", &imx21->isoc_stats);
+	seq_printf(s, "unblock kludge triggers: %lu\n", imx21->debug_unblocks);
+	spin_unlock_irqrestore(&imx21->lock, flags);
+
+	return 0;
+}
+
+static void debug_isoc_show_one(struct seq_file *s,
+	const char *name, int index, 	struct debug_isoc_trace *trace)
+{
+	seq_printf(s, "%s %d:\n"
+		"cc=0X%02X\n"
+		"scheduled frame %d (%d)\n"
+		"submittted frame %d (%d)\n"
+		"completed frame %d (%d)\n"
+		"requested length=%d\n"
+		"completed length=%d\n\n",
+		name, index,
+		trace->cc,
+		trace->schedule_frame, trace->schedule_frame & 0xFFFF,
+		trace->submit_frame, trace->submit_frame & 0xFFFF,
+		trace->done_frame, trace->done_frame & 0xFFFF,
+		trace->request_len,
+		trace->done_len);
+}
+
+static int debug_isoc_show(struct seq_file *s, void *v)
+{
+	struct imx21 *imx21 = s->private;
+	struct debug_isoc_trace *trace;
+	unsigned long flags;
+	int i;
+
+	spin_lock_irqsave(&imx21->lock, flags);
+
+	trace = imx21->isoc_trace_failed;
+	for (i = 0; i < ARRAY_SIZE(imx21->isoc_trace_failed); i++, trace++)
+		debug_isoc_show_one(s, "isoc failed", i, trace);
+
+	trace = imx21->isoc_trace;
+	for (i = 0; i < ARRAY_SIZE(imx21->isoc_trace); i++, trace++)
+		debug_isoc_show_one(s, "isoc", i, trace);
+
+	spin_unlock_irqrestore(&imx21->lock, flags);
+
+	return 0;
+}
+
+static int debug_status_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, debug_status_show, inode->i_private);
+}
+
+static int debug_dmem_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, debug_dmem_show, inode->i_private);
+}
+
+static int debug_etd_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, debug_etd_show, inode->i_private);
+}
+
+static int debug_statistics_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, debug_statistics_show, inode->i_private);
+}
+
+static int debug_isoc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, debug_isoc_show, inode->i_private);
+}
+
+static const struct file_operations debug_status_fops = {
+	.open = debug_status_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+static const struct file_operations debug_dmem_fops = {
+	.open = debug_dmem_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+static const struct file_operations debug_etd_fops = {
+	.open = debug_etd_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+static const struct file_operations debug_statistics_fops = {
+	.open = debug_statistics_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+static const struct file_operations debug_isoc_fops = {
+	.open = debug_isoc_open,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+static void create_debug_files(struct imx21 *imx21)
+{
+	imx21->debug_root = debugfs_create_dir(dev_name(imx21->dev), NULL);
+	if (!imx21->debug_root)
+		goto failed_create_rootdir;
+
+	if (!debugfs_create_file("status", S_IRUGO,
+			imx21->debug_root, imx21, &debug_status_fops))
+		goto failed_create;
+
+	if (!debugfs_create_file("dmem", S_IRUGO,
+			imx21->debug_root, imx21, &debug_dmem_fops))
+		goto failed_create;
+
+	if (!debugfs_create_file("etd", S_IRUGO,
+			imx21->debug_root, imx21, &debug_etd_fops))
+		goto failed_create;
+
+	if (!debugfs_create_file("statistics", S_IRUGO,
+			imx21->debug_root, imx21, &debug_statistics_fops))
+		goto failed_create;
+
+	if (!debugfs_create_file("isoc", S_IRUGO,
+			imx21->debug_root, imx21, &debug_isoc_fops))
+		goto failed_create;
+
+	return;
+
+failed_create:
+	debugfs_remove_recursive(imx21->debug_root);
+
+failed_create_rootdir:
+	imx21->debug_root = NULL;
+}
+
+
+static void remove_debug_files(struct imx21 *imx21)
+{
+	if (imx21->debug_root) {
+		debugfs_remove_recursive(imx21->debug_root);
+		imx21->debug_root = NULL;
+	}
+}
+
+#endif
+
diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c
new file mode 100644
index 000000000000..213e270e1c29
--- /dev/null
+++ b/drivers/usb/host/imx21-hcd.c
@@ -0,0 +1,1789 @@
+/*
+ * USB Host Controller Driver for IMX21
+ *
+ * Copyright (C) 2006 Loping Dog Embedded Systems
+ * Copyright (C) 2009 Martin Fuzzey
+ * Originally written by Jay Monkman <jtm@lopingdog.com>
+ * Ported to 2.6.30, debugged and enhanced by Martin Fuzzey
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+
+ /*
+  * The i.MX21 USB hardware contains
+  *    * 32 transfer descriptors (called ETDs)
+  *    * 4Kb of Data memory
+  *
+  * The data memory is shared between the host and fuction controlers
+  * (but this driver only supports the host controler)
+  *
+  * So setting up a transfer involves:
+  *    * Allocating a ETD
+  *    * Fill in ETD with appropriate information
+  *    * Allocating data memory (and putting the offset in the ETD)
+  *    * Activate the ETD
+  *    * Get interrupt when done.
+  *
+  * An ETD is assigned to each active endpoint.
+  *
+  * Low resource (ETD and Data memory) situations are handled differently for
+  * isochronous and non insosynchronous transactions :
+  *
+  * Non ISOC transfers are queued if either ETDs or Data memory are unavailable
+  *
+  * ISOC transfers use 2 ETDs per endpoint to achieve double buffering.
+  * They allocate both ETDs and Data memory during URB submission
+  * (and fail if unavailable).
+  */
+
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/platform_device.h>
+#include <linux/usb.h>
+
+#include "../core/hcd.h"
+#include "imx21-hcd.h"
+
+#ifdef DEBUG
+#define DEBUG_LOG_FRAME(imx21, etd, event) \
+	(etd)->event##_frame = readl((imx21)->regs + USBH_FRMNUB)
+#else
+#define DEBUG_LOG_FRAME(imx21, etd, event) do { } while (0)
+#endif
+
+static const char hcd_name[] = "imx21-hcd";
+
+static inline struct imx21 *hcd_to_imx21(struct usb_hcd *hcd)
+{
+	return (struct imx21 *)hcd->hcd_priv;
+}
+
+
+/* =========================================== */
+/* Hardware access helpers			*/
+/* =========================================== */
+
+static inline void set_register_bits(struct imx21 *imx21, u32 offset, u32 mask)
+{
+	void __iomem *reg = imx21->regs + offset;
+	writel(readl(reg) | mask, reg);
+}
+
+static inline void clear_register_bits(struct imx21 *imx21,
+	u32 offset, u32 mask)
+{
+	void __iomem *reg = imx21->regs + offset;
+	writel(readl(reg) & ~mask, reg);
+}
+
+static inline void clear_toggle_bit(struct imx21 *imx21, u32 offset, u32 mask)
+{
+	void __iomem *reg = imx21->regs + offset;
+
+	if (readl(reg) & mask)
+		writel(mask, reg);
+}
+
+static inline void set_toggle_bit(struct imx21 *imx21, u32 offset, u32 mask)
+{
+	void __iomem *reg = imx21->regs + offset;
+
+	if (!(readl(reg) & mask))
+		writel(mask, reg);
+}
+
+static void etd_writel(struct imx21 *imx21, int etd_num, int dword, u32 value)
+{
+	writel(value, imx21->regs + USB_ETD_DWORD(etd_num, dword));
+}
+
+static u32 etd_readl(struct imx21 *imx21, int etd_num, int dword)
+{
+	return readl(imx21->regs + USB_ETD_DWORD(etd_num, dword));
+}
+
+static inline int wrap_frame(int counter)
+{
+	return counter & 0xFFFF;
+}
+
+static inline int frame_after(int frame, int after)
+{
+	/* handle wrapping like jiffies time_afer */
+	return (s16)((s16)after - (s16)frame) < 0;
+}
+
+static int imx21_hc_get_frame(struct usb_hcd *hcd)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+
+	return wrap_frame(readl(imx21->regs + USBH_FRMNUB));
+}
+
+
+#include "imx21-dbg.c"
+
+/* =========================================== */
+/* ETD management				*/
+/* ===========================================	*/
+
+static int alloc_etd(struct imx21 *imx21)
+{
+	int i;
+	struct etd_priv *etd = imx21->etd;
+
+	for (i = 0; i < USB_NUM_ETD; i++, etd++) {
+		if (etd->alloc == 0) {
+			memset(etd, 0, sizeof(imx21->etd[0]));
+			etd->alloc = 1;
+			debug_etd_allocated(imx21);
+			return i;
+		}
+	}
+	return -1;
+}
+
+static void disactivate_etd(struct imx21 *imx21, int num)
+{
+	int etd_mask = (1 << num);
+	struct etd_priv *etd = &imx21->etd[num];
+
+	writel(etd_mask, imx21->regs + USBH_ETDENCLR);
+	clear_register_bits(imx21, USBH_ETDDONEEN, etd_mask);
+	writel(etd_mask, imx21->regs + USB_ETDDMACHANLCLR);
+	clear_toggle_bit(imx21, USBH_ETDDONESTAT, etd_mask);
+
+	etd->active_count = 0;
+
+	DEBUG_LOG_FRAME(imx21, etd, disactivated);
+}
+
+static void reset_etd(struct imx21 *imx21, int num)
+{
+	struct etd_priv *etd = imx21->etd + num;
+	int i;
+
+	disactivate_etd(imx21, num);
+
+	for (i = 0; i < 4; i++)
+		etd_writel(imx21, num, i, 0);
+	etd->urb = NULL;
+	etd->ep = NULL;
+	etd->td = NULL;;
+}
+
+static void free_etd(struct imx21 *imx21, int num)
+{
+	if (num < 0)
+		return;
+
+	if (num >= USB_NUM_ETD) {
+		dev_err(imx21->dev, "BAD etd=%d!\n", num);
+		return;
+	}
+	if (imx21->etd[num].alloc == 0) {
+		dev_err(imx21->dev, "ETD %d already free!\n", num);
+		return;
+	}
+
+	debug_etd_freed(imx21);
+	reset_etd(imx21, num);
+	memset(&imx21->etd[num], 0, sizeof(imx21->etd[0]));
+}
+
+
+static void setup_etd_dword0(struct imx21 *imx21,
+	int etd_num, struct urb *urb,  u8 dir, u16 maxpacket)
+{
+	etd_writel(imx21, etd_num, 0,
+		((u32) usb_pipedevice(urb->pipe)) <<  DW0_ADDRESS |
+		((u32) usb_pipeendpoint(urb->pipe) << DW0_ENDPNT) |
+		((u32) dir << DW0_DIRECT) |
+		((u32) ((urb->dev->speed == USB_SPEED_LOW) ?
+			1 : 0) << DW0_SPEED) |
+		((u32) fmt_urb_to_etd[usb_pipetype(urb->pipe)] << DW0_FORMAT) |
+		((u32) maxpacket << DW0_MAXPKTSIZ));
+}
+
+static void activate_etd(struct imx21 *imx21,
+	int etd_num, dma_addr_t dma, u8 dir)
+{
+	u32 etd_mask = 1 << etd_num;
+	struct etd_priv *etd = &imx21->etd[etd_num];
+
+	clear_toggle_bit(imx21, USBH_ETDDONESTAT, etd_mask);
+	set_register_bits(imx21, USBH_ETDDONEEN, etd_mask);
+	clear_toggle_bit(imx21, USBH_XFILLSTAT, etd_mask);
+	clear_toggle_bit(imx21, USBH_YFILLSTAT, etd_mask);
+
+	if (dma) {
+		set_register_bits(imx21, USB_ETDDMACHANLCLR, etd_mask);
+		clear_toggle_bit(imx21, USBH_XBUFSTAT, etd_mask);
+		clear_toggle_bit(imx21, USBH_YBUFSTAT, etd_mask);
+		writel(dma, imx21->regs + USB_ETDSMSA(etd_num));
+		set_register_bits(imx21, USB_ETDDMAEN, etd_mask);
+	} else {
+		if (dir != TD_DIR_IN) {
+			/* need to set for ZLP */
+			set_toggle_bit(imx21, USBH_XFILLSTAT, etd_mask);
+			set_toggle_bit(imx21, USBH_YFILLSTAT, etd_mask);
+		}
+	}
+
+	DEBUG_LOG_FRAME(imx21, etd, activated);
+
+#ifdef DEBUG
+	if (!etd->active_count) {
+		int i;
+		etd->activated_frame = readl(imx21->regs + USBH_FRMNUB);
+		etd->disactivated_frame = -1;
+		etd->last_int_frame = -1;
+		etd->last_req_frame = -1;
+
+		for (i = 0; i < 4; i++)
+			etd->submitted_dwords[i] = etd_readl(imx21, etd_num, i);
+	}
+#endif
+
+	etd->active_count = 1;
+	writel(etd_mask, imx21->regs + USBH_ETDENSET);
+}
+
+/* ===========================================	*/
+/* Data memory management			*/
+/* ===========================================	*/
+
+static int alloc_dmem(struct imx21 *imx21, unsigned int size,
+		      struct usb_host_endpoint *ep)
+{
+	unsigned int offset = 0;
+	struct imx21_dmem_area *area;
+	struct imx21_dmem_area *tmp;
+
+	size += (~size + 1) & 0x3; /* Round to 4 byte multiple */
+
+	if (size > DMEM_SIZE) {
+		dev_err(imx21->dev, "size=%d > DMEM_SIZE(%d)\n",
+			size, DMEM_SIZE);
+		return -EINVAL;
+	}
+
+	list_for_each_entry(tmp, &imx21->dmem_list, list) {
+		if ((size + offset) < offset)
+			goto fail;
+		if ((size + offset) <= tmp->offset)
+			break;
+		offset = tmp->size + tmp->offset;
+		if ((offset + size) > DMEM_SIZE)
+			goto fail;
+	}
+
+	area = kmalloc(sizeof(struct imx21_dmem_area), GFP_ATOMIC);
+	if (area == NULL)
+		return -ENOMEM;
+
+	area->ep = ep;
+	area->offset = offset;
+	area->size = size;
+	list_add_tail(&area->list, &tmp->list);
+	debug_dmem_allocated(imx21, size);
+	return offset;
+
+fail:
+	return -ENOMEM;
+}
+
+/* Memory now available for a queued ETD - activate it */
+static void activate_queued_etd(struct imx21 *imx21,
+	struct etd_priv *etd, u32 dmem_offset)
+{
+	struct urb_priv *urb_priv = etd->urb->hcpriv;
+	int etd_num = etd - &imx21->etd[0];
+	u32 maxpacket = etd_readl(imx21, etd_num, 1) >> DW1_YBUFSRTAD;
+	u8 dir = (etd_readl(imx21, etd_num, 2) >> DW2_DIRPID) & 0x03;
+
+	dev_dbg(imx21->dev, "activating queued ETD %d now DMEM available\n",
+		etd_num);
+	etd_writel(imx21, etd_num, 1,
+	    ((dmem_offset + maxpacket) << DW1_YBUFSRTAD) | dmem_offset);
+
+	urb_priv->active = 1;
+	activate_etd(imx21, etd_num, etd->dma_handle, dir);
+}
+
+static void free_dmem(struct imx21 *imx21, int offset)
+{
+	struct imx21_dmem_area *area;
+	struct etd_priv *etd, *tmp;
+	int found = 0;
+
+	list_for_each_entry(area, &imx21->dmem_list, list) {
+		if (area->offset == offset) {
+			debug_dmem_freed(imx21, area->size);
+			list_del(&area->list);
+			kfree(area);
+			found = 1;
+			break;
+		}
+	}
+
+	if (!found)  {
+		dev_err(imx21->dev,
+			"Trying to free unallocated DMEM %d\n", offset);
+		return;
+	}
+
+	/* Try again to allocate memory for anything we've queued */
+	list_for_each_entry_safe(etd, tmp, &imx21->queue_for_dmem, queue) {
+		offset = alloc_dmem(imx21, etd->dmem_size, etd->ep);
+		if (offset >= 0) {
+			list_del(&etd->queue);
+			activate_queued_etd(imx21, etd, (u32)offset);
+		}
+	}
+}
+
+static void free_epdmem(struct imx21 *imx21, struct usb_host_endpoint *ep)
+{
+	struct imx21_dmem_area *area, *tmp;
+
+	list_for_each_entry_safe(area, tmp, &imx21->dmem_list, list) {
+		if (area->ep == ep) {
+			dev_err(imx21->dev,
+				"Active DMEM %d for disabled ep=%p\n",
+				area->offset, ep);
+			list_del(&area->list);
+			kfree(area);
+		}
+	}
+}
+
+
+/* ===========================================	*/
+/* End handling 				*/
+/* ===========================================	*/
+static void schedule_nonisoc_etd(struct imx21 *imx21, struct urb *urb);
+
+/* Endpoint now idle - release it's ETD(s) or asssign to queued request */
+static void ep_idle(struct imx21 *imx21, struct ep_priv *ep_priv)
+{
+	int etd_num;
+	int i;
+
+	for (i = 0; i < NUM_ISO_ETDS; i++) {
+		etd_num = ep_priv->etd[i];
+		if (etd_num < 0)
+			continue;
+
+		ep_priv->etd[i] = -1;
+		if (list_empty(&imx21->queue_for_etd)) {
+			free_etd(imx21, etd_num);
+			continue;
+		}
+
+		dev_dbg(imx21->dev,
+			"assigning idle etd %d for queued request\n", etd_num);
+		ep_priv = list_first_entry(&imx21->queue_for_etd,
+			struct ep_priv, queue);
+		list_del(&ep_priv->queue);
+		reset_etd(imx21, etd_num);
+		ep_priv->waiting_etd = 0;
+		ep_priv->etd[i] = etd_num;
+
+		if (list_empty(&ep_priv->ep->urb_list)) {
+			dev_err(imx21->dev, "No urb for queued ep!\n");
+			continue;
+		}
+		schedule_nonisoc_etd(imx21, list_first_entry(
+			&ep_priv->ep->urb_list, struct urb, urb_list));
+	}
+}
+
+static void urb_done(struct usb_hcd *hcd, struct urb *urb, int status)
+__releases(imx21->lock)
+__acquires(imx21->lock)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	struct ep_priv *ep_priv = urb->ep->hcpriv;
+	struct urb_priv *urb_priv = urb->hcpriv;
+
+	debug_urb_completed(imx21, urb, status);
+	dev_vdbg(imx21->dev, "urb %p done %d\n", urb, status);
+
+	kfree(urb_priv->isoc_td);
+	kfree(urb->hcpriv);
+	urb->hcpriv = NULL;
+	usb_hcd_unlink_urb_from_ep(hcd, urb);
+	spin_unlock(&imx21->lock);
+	usb_hcd_giveback_urb(hcd, urb, status);
+	spin_lock(&imx21->lock);
+	if (list_empty(&ep_priv->ep->urb_list))
+		ep_idle(imx21, ep_priv);
+}
+
+/* ===========================================	*/
+/* ISOC Handling ... 				*/
+/* ===========================================	*/
+
+static void schedule_isoc_etds(struct usb_hcd *hcd,
+	struct usb_host_endpoint *ep)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	struct ep_priv *ep_priv = ep->hcpriv;
+	struct etd_priv *etd;
+	struct urb_priv *urb_priv;
+	struct td *td;
+	int etd_num;
+	int i;
+	int cur_frame;
+	u8 dir;
+
+	for (i = 0; i < NUM_ISO_ETDS; i++) {
+too_late:
+		if (list_empty(&ep_priv->td_list))
+			break;
+
+		etd_num = ep_priv->etd[i];
+		if (etd_num < 0)
+			break;
+
+		etd = &imx21->etd[etd_num];
+		if (etd->urb)
+			continue;
+
+		td = list_entry(ep_priv->td_list.next, struct td, list);
+		list_del(&td->list);
+		urb_priv = td->urb->hcpriv;
+
+		cur_frame = imx21_hc_get_frame(hcd);
+		if (frame_after(cur_frame, td->frame)) {
+			dev_dbg(imx21->dev, "isoc too late frame %d > %d\n",
+				cur_frame, td->frame);
+			urb_priv->isoc_status = -EXDEV;
+			td->urb->iso_frame_desc[
+				td->isoc_index].actual_length = 0;
+			td->urb->iso_frame_desc[td->isoc_index].status = -EXDEV;
+			if (--urb_priv->isoc_remaining == 0)
+				urb_done(hcd, td->urb, urb_priv->isoc_status);
+			goto too_late;
+		}
+
+		urb_priv->active = 1;
+		etd->td = td;
+		etd->ep = td->ep;
+		etd->urb = td->urb;
+		etd->len = td->len;
+
+		debug_isoc_submitted(imx21, cur_frame, td);
+
+		dir = usb_pipeout(td->urb->pipe) ? TD_DIR_OUT : TD_DIR_IN;
+		setup_etd_dword0(imx21, etd_num, td->urb, dir, etd->dmem_size);
+		etd_writel(imx21, etd_num, 1, etd->dmem_offset);
+		etd_writel(imx21, etd_num, 2,
+			(TD_NOTACCESSED << DW2_COMPCODE) |
+			((td->frame & 0xFFFF) << DW2_STARTFRM));
+		etd_writel(imx21, etd_num, 3,
+			(TD_NOTACCESSED << DW3_COMPCODE0) |
+			(td->len << DW3_PKTLEN0));
+
+		activate_etd(imx21, etd_num, td->data, dir);
+	}
+}
+
+static void isoc_etd_done(struct usb_hcd *hcd, struct urb *urb, int etd_num)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	int etd_mask = 1 << etd_num;
+	struct urb_priv *urb_priv = urb->hcpriv;
+	struct etd_priv *etd = imx21->etd + etd_num;
+	struct td *td = etd->td;
+	struct usb_host_endpoint *ep = etd->ep;
+	int isoc_index = td->isoc_index;
+	unsigned int pipe = urb->pipe;
+	int dir_in = usb_pipein(pipe);
+	int cc;
+	int bytes_xfrd;
+
+	disactivate_etd(imx21, etd_num);
+
+	cc = (etd_readl(imx21, etd_num, 3) >> DW3_COMPCODE0) & 0xf;
+	bytes_xfrd = etd_readl(imx21, etd_num, 3) & 0x3ff;
+
+	/* Input doesn't always fill the buffer, don't generate an error
+	 * when this happens.
+	 */
+	if (dir_in && (cc == TD_DATAUNDERRUN))
+		cc = TD_CC_NOERROR;
+
+	if (cc == TD_NOTACCESSED)
+		bytes_xfrd = 0;
+
+	debug_isoc_completed(imx21,
+		imx21_hc_get_frame(hcd), td, cc, bytes_xfrd);
+	if (cc) {
+		urb_priv->isoc_status = -EXDEV;
+		dev_dbg(imx21->dev,
+			"bad iso cc=0x%X frame=%d sched frame=%d "
+			"cnt=%d len=%d urb=%p etd=%d index=%d\n",
+			cc,  imx21_hc_get_frame(hcd), td->frame,
+			bytes_xfrd, td->len, urb, etd_num, isoc_index);
+	}
+
+	if (dir_in)
+		clear_toggle_bit(imx21, USBH_XFILLSTAT, etd_mask);
+
+	urb->actual_length += bytes_xfrd;
+	urb->iso_frame_desc[isoc_index].actual_length = bytes_xfrd;
+	urb->iso_frame_desc[isoc_index].status = cc_to_error[cc];
+
+	etd->td = NULL;
+	etd->urb = NULL;
+	etd->ep = NULL;
+
+	if (--urb_priv->isoc_remaining == 0)
+		urb_done(hcd, urb, urb_priv->isoc_status);
+
+	schedule_isoc_etds(hcd, ep);
+}
+
+static struct ep_priv *alloc_isoc_ep(
+	struct imx21 *imx21, struct usb_host_endpoint *ep)
+{
+	struct ep_priv *ep_priv;
+	int i;
+
+	ep_priv = kzalloc(sizeof(struct ep_priv), GFP_ATOMIC);
+	if (ep_priv == NULL)
+		return NULL;
+
+	/* Allocate the ETDs */
+	for (i = 0; i < NUM_ISO_ETDS; i++) {
+		ep_priv->etd[i] = alloc_etd(imx21);
+		if (ep_priv->etd[i] < 0) {
+			int j;
+			dev_err(imx21->dev, "isoc: Couldn't allocate etd\n");
+			for (j = 0; j < i; j++)
+				free_etd(imx21, ep_priv->etd[j]);
+			goto alloc_etd_failed;
+		}
+		imx21->etd[ep_priv->etd[i]].ep = ep;
+	}
+
+	INIT_LIST_HEAD(&ep_priv->td_list);
+	ep_priv->ep = ep;
+	ep->hcpriv = ep_priv;
+	return ep_priv;
+
+alloc_etd_failed:
+	kfree(ep_priv);
+	return NULL;
+}
+
+static int imx21_hc_urb_enqueue_isoc(struct usb_hcd *hcd,
+				     struct usb_host_endpoint *ep,
+				     struct urb *urb, gfp_t mem_flags)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	struct urb_priv *urb_priv;
+	unsigned long flags;
+	struct ep_priv *ep_priv;
+	struct td *td = NULL;
+	int i;
+	int ret;
+	int cur_frame;
+	u16 maxpacket;
+
+	urb_priv = kzalloc(sizeof(struct urb_priv), mem_flags);
+	if (urb_priv == NULL)
+		return -ENOMEM;
+
+	urb_priv->isoc_td = kzalloc(
+		sizeof(struct td) * urb->number_of_packets, mem_flags);
+	if (urb_priv->isoc_td == NULL) {
+		ret = -ENOMEM;
+		goto alloc_td_failed;
+	}
+
+	spin_lock_irqsave(&imx21->lock, flags);
+
+	if (ep->hcpriv == NULL) {
+		ep_priv = alloc_isoc_ep(imx21, ep);
+		if (ep_priv == NULL) {
+			ret = -ENOMEM;
+			goto alloc_ep_failed;
+		}
+	} else {
+		ep_priv = ep->hcpriv;
+	}
+
+	ret = usb_hcd_link_urb_to_ep(hcd, urb);
+	if (ret)
+		goto link_failed;
+
+	urb->status = -EINPROGRESS;
+	urb->actual_length = 0;
+	urb->error_count = 0;
+	urb->hcpriv = urb_priv;
+	urb_priv->ep = ep;
+
+	/* allocate data memory for largest packets if not already done */
+	maxpacket = usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe));
+	for (i = 0; i < NUM_ISO_ETDS; i++) {
+		struct etd_priv *etd = &imx21->etd[ep_priv->etd[i]];
+
+		if (etd->dmem_size > 0 && etd->dmem_size < maxpacket) {
+			/* not sure if this can really occur.... */
+			dev_err(imx21->dev, "increasing isoc buffer %d->%d\n",
+				etd->dmem_size, maxpacket);
+			ret = -EMSGSIZE;
+			goto alloc_dmem_failed;
+		}
+
+		if (etd->dmem_size == 0) {
+			etd->dmem_offset = alloc_dmem(imx21, maxpacket, ep);
+			if (etd->dmem_offset < 0) {
+				dev_dbg(imx21->dev, "failed alloc isoc dmem\n");
+				ret = -EAGAIN;
+				goto alloc_dmem_failed;
+			}
+			etd->dmem_size = maxpacket;
+		}
+	}
+
+	/* calculate frame */
+	cur_frame = imx21_hc_get_frame(hcd);
+	if (urb->transfer_flags & URB_ISO_ASAP) {
+		if (list_empty(&ep_priv->td_list))
+			urb->start_frame = cur_frame + 5;
+		else
+			urb->start_frame = list_entry(
+				ep_priv->td_list.prev,
+				struct td, list)->frame + urb->interval;
+	}
+	urb->start_frame = wrap_frame(urb->start_frame);
+	if (frame_after(cur_frame, urb->start_frame)) {
+		dev_dbg(imx21->dev,
+			"enqueue: adjusting iso start %d (cur=%d) asap=%d\n",
+			urb->start_frame, cur_frame,
+			(urb->transfer_flags & URB_ISO_ASAP) != 0);
+		urb->start_frame = wrap_frame(cur_frame + 1);
+	}
+
+	/* set up transfers */
+	td = urb_priv->isoc_td;
+	for (i = 0; i < urb->number_of_packets; i++, td++) {
+		td->ep = ep;
+		td->urb = urb;
+		td->len = urb->iso_frame_desc[i].length;
+		td->isoc_index = i;
+		td->frame = wrap_frame(urb->start_frame + urb->interval * i);
+		td->data = urb->transfer_dma + urb->iso_frame_desc[i].offset;
+		list_add_tail(&td->list, &ep_priv->td_list);
+	}
+
+	urb_priv->isoc_remaining = urb->number_of_packets;
+	dev_vdbg(imx21->dev, "setup %d packets for iso frame %d->%d\n",
+		urb->number_of_packets, urb->start_frame, td->frame);
+
+	debug_urb_submitted(imx21, urb);
+	schedule_isoc_etds(hcd, ep);
+
+	spin_unlock_irqrestore(&imx21->lock, flags);
+	return 0;
+
+alloc_dmem_failed:
+	usb_hcd_unlink_urb_from_ep(hcd, urb);
+
+link_failed:
+alloc_ep_failed:
+	spin_unlock_irqrestore(&imx21->lock, flags);
+	kfree(urb_priv->isoc_td);
+
+alloc_td_failed:
+	kfree(urb_priv);
+	return ret;
+}
+
+static void dequeue_isoc_urb(struct imx21 *imx21,
+	struct urb *urb, struct ep_priv *ep_priv)
+{
+	struct urb_priv *urb_priv = urb->hcpriv;
+	struct td *td, *tmp;
+	int i;
+
+	if (urb_priv->active) {
+		for (i = 0; i < NUM_ISO_ETDS; i++) {
+			int etd_num = ep_priv->etd[i];
+			if (etd_num != -1 && imx21->etd[etd_num].urb == urb) {
+				struct etd_priv *etd = imx21->etd + etd_num;
+
+				reset_etd(imx21, etd_num);
+				if (etd->dmem_size)
+					free_dmem(imx21, etd->dmem_offset);
+				etd->dmem_size = 0;
+			}
+		}
+	}
+
+	list_for_each_entry_safe(td, tmp, &ep_priv->td_list, list) {
+		if (td->urb == urb) {
+			dev_vdbg(imx21->dev, "removing td %p\n", td);
+			list_del(&td->list);
+		}
+	}
+}
+
+/* =========================================== */
+/* NON ISOC Handling ... 			*/
+/* =========================================== */
+
+static void schedule_nonisoc_etd(struct imx21 *imx21, struct urb *urb)
+{
+	unsigned int pipe = urb->pipe;
+	struct urb_priv *urb_priv = urb->hcpriv;
+	struct ep_priv *ep_priv = urb_priv->ep->hcpriv;
+	int state = urb_priv->state;
+	int etd_num = ep_priv->etd[0];
+	struct etd_priv *etd;
+	int dmem_offset;
+	u32 count;
+	u16 etd_buf_size;
+	u16 maxpacket;
+	u8 dir;
+	u8 bufround;
+	u8 datatoggle;
+	u8 interval = 0;
+	u8 relpolpos = 0;
+
+	if (etd_num < 0) {
+		dev_err(imx21->dev, "No valid ETD\n");
+		return;
+	}
+	if (readl(imx21->regs + USBH_ETDENSET) & (1 << etd_num))
+		dev_err(imx21->dev, "submitting to active ETD %d\n", etd_num);
+
+	etd = &imx21->etd[etd_num];
+	maxpacket = usb_maxpacket(urb->dev, pipe, usb_pipeout(pipe));
+	if (!maxpacket)
+		maxpacket = 8;
+
+	if (usb_pipecontrol(pipe) && (state != US_CTRL_DATA)) {
+		if (state == US_CTRL_SETUP) {
+			dir = TD_DIR_SETUP;
+			etd->dma_handle = urb->setup_dma;
+			bufround = 0;
+			count = 8;
+			datatoggle = TD_TOGGLE_DATA0;
+		} else {	/* US_CTRL_ACK */
+			dir = usb_pipeout(pipe) ? TD_DIR_IN : TD_DIR_OUT;
+			etd->dma_handle = urb->transfer_dma;
+			bufround = 0;
+			count = 0;
+			datatoggle = TD_TOGGLE_DATA1;
+		}
+	} else {
+		dir = usb_pipeout(pipe) ? TD_DIR_OUT : TD_DIR_IN;
+		bufround = (dir == TD_DIR_IN) ? 1 : 0;
+		etd->dma_handle = urb->transfer_dma;
+		if (usb_pipebulk(pipe) && (state == US_BULK0))
+			count = 0;
+		else
+			count = urb->transfer_buffer_length;
+
+		if (usb_pipecontrol(pipe)) {
+			datatoggle = TD_TOGGLE_DATA1;
+		} else {
+			if (usb_gettoggle(
+					urb->dev,
+					usb_pipeendpoint(urb->pipe),
+					usb_pipeout(urb->pipe)))
+				datatoggle = TD_TOGGLE_DATA1;
+			else
+				datatoggle = TD_TOGGLE_DATA0;
+		}
+	}
+
+	etd->urb = urb;
+	etd->ep = urb_priv->ep;
+	etd->len = count;
+
+	if (usb_pipeint(pipe)) {
+		interval = urb->interval;
+		relpolpos = (readl(imx21->regs + USBH_FRMNUB) + 1) & 0xff;
+	}
+
+	/* Write ETD to device memory */
+	setup_etd_dword0(imx21, etd_num, urb, dir, maxpacket);
+
+	etd_writel(imx21, etd_num, 2,
+		(u32) interval << DW2_POLINTERV |
+		((u32) relpolpos << DW2_RELPOLPOS) |
+		((u32) dir << DW2_DIRPID) |
+		((u32) bufround << DW2_BUFROUND) |
+		((u32) datatoggle << DW2_DATATOG) |
+		((u32) TD_NOTACCESSED << DW2_COMPCODE));
+
+	/* DMA will always transfer buffer size even if TOBYCNT in DWORD3
+	   is smaller. Make sure we don't overrun the buffer!
+	 */
+	if (count && count < maxpacket)
+		etd_buf_size = count;
+	else
+		etd_buf_size = maxpacket;
+
+	etd_writel(imx21, etd_num, 3,
+		((u32) (etd_buf_size - 1) << DW3_BUFSIZE) | (u32) count);
+
+	if (!count)
+		etd->dma_handle = 0;
+
+	/* allocate x and y buffer space at once */
+	etd->dmem_size = (count > maxpacket) ? maxpacket * 2 : maxpacket;
+	dmem_offset = alloc_dmem(imx21, etd->dmem_size, urb_priv->ep);
+	if (dmem_offset < 0) {
+		/* Setup everything we can in HW and update when we get DMEM */
+		etd_writel(imx21, etd_num, 1, (u32)maxpacket << 16);
+
+		dev_dbg(imx21->dev, "Queuing etd %d for DMEM\n", etd_num);
+		debug_urb_queued_for_dmem(imx21, urb);
+		list_add_tail(&etd->queue, &imx21->queue_for_dmem);
+		return;
+	}
+
+	etd_writel(imx21, etd_num, 1,
+		(((u32) dmem_offset + (u32) maxpacket) << DW1_YBUFSRTAD) |
+		(u32) dmem_offset);
+
+	urb_priv->active = 1;
+
+	/* enable the ETD to kick off transfer */
+	dev_vdbg(imx21->dev, "Activating etd %d for %d bytes %s\n",
+		etd_num, count, dir != TD_DIR_IN ? "out" : "in");
+	activate_etd(imx21, etd_num, etd->dma_handle, dir);
+
+}
+
+static void nonisoc_etd_done(struct usb_hcd *hcd, struct urb *urb, int etd_num)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	struct etd_priv *etd = &imx21->etd[etd_num];
+	u32 etd_mask = 1 << etd_num;
+	struct urb_priv *urb_priv = urb->hcpriv;
+	int dir;
+	u16 xbufaddr;
+	int cc;
+	u32 bytes_xfrd;
+	int etd_done;
+
+	disactivate_etd(imx21, etd_num);
+
+	dir = (etd_readl(imx21, etd_num, 0) >> DW0_DIRECT) & 0x3;
+	xbufaddr = etd_readl(imx21, etd_num, 1) & 0xffff;
+	cc = (etd_readl(imx21, etd_num, 2) >> DW2_COMPCODE) & 0xf;
+	bytes_xfrd = etd->len - (etd_readl(imx21, etd_num, 3) & 0x1fffff);
+
+	/* save toggle carry */
+	usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe),
+		      usb_pipeout(urb->pipe),
+		      (etd_readl(imx21, etd_num, 0) >> DW0_TOGCRY) & 0x1);
+
+	if (dir == TD_DIR_IN) {
+		clear_toggle_bit(imx21, USBH_XFILLSTAT, etd_mask);
+		clear_toggle_bit(imx21, USBH_YFILLSTAT, etd_mask);
+	}
+	free_dmem(imx21, xbufaddr);
+
+	urb->error_count = 0;
+	if (!(urb->transfer_flags & URB_SHORT_NOT_OK)
+			&& (cc == TD_DATAUNDERRUN))
+		cc = TD_CC_NOERROR;
+
+	if (cc != 0)
+		dev_vdbg(imx21->dev, "cc is 0x%x\n", cc);
+
+	etd_done = (cc_to_error[cc] != 0);	/* stop if error */
+
+	switch (usb_pipetype(urb->pipe)) {
+	case PIPE_CONTROL:
+		switch (urb_priv->state) {
+		case US_CTRL_SETUP:
+			if (urb->transfer_buffer_length > 0)
+				urb_priv->state = US_CTRL_DATA;
+			else
+				urb_priv->state = US_CTRL_ACK;
+			break;
+		case US_CTRL_DATA:
+			urb->actual_length += bytes_xfrd;
+			urb_priv->state = US_CTRL_ACK;
+			break;
+		case US_CTRL_ACK:
+			etd_done = 1;
+			break;
+		default:
+			dev_err(imx21->dev,
+				"Invalid pipe state %d\n", urb_priv->state);
+			etd_done = 1;
+			break;
+		}
+		break;
+
+	case PIPE_BULK:
+		urb->actual_length += bytes_xfrd;
+		if ((urb_priv->state == US_BULK)
+		    && (urb->transfer_flags & URB_ZERO_PACKET)
+		    && urb->transfer_buffer_length > 0
+		    && ((urb->transfer_buffer_length %
+			 usb_maxpacket(urb->dev, urb->pipe,
+				       usb_pipeout(urb->pipe))) == 0)) {
+			/* need a 0-packet */
+			urb_priv->state = US_BULK0;
+		} else {
+			etd_done = 1;
+		}
+		break;
+
+	case PIPE_INTERRUPT:
+		urb->actual_length += bytes_xfrd;
+		etd_done = 1;
+		break;
+	}
+
+	if (!etd_done) {
+		dev_vdbg(imx21->dev, "next state=%d\n", urb_priv->state);
+		schedule_nonisoc_etd(imx21, urb);
+	} else {
+		struct usb_host_endpoint *ep = urb->ep;
+
+		urb_done(hcd, urb, cc_to_error[cc]);
+		etd->urb = NULL;
+
+		if (!list_empty(&ep->urb_list)) {
+			urb = list_first_entry(&ep->urb_list,
+				struct urb, urb_list);
+			dev_vdbg(imx21->dev, "next URB %p\n", urb);
+			schedule_nonisoc_etd(imx21, urb);
+		}
+	}
+}
+
+static struct ep_priv *alloc_ep(void)
+{
+	int i;
+	struct ep_priv *ep_priv;
+
+	ep_priv = kzalloc(sizeof(struct ep_priv), GFP_ATOMIC);
+	if (!ep_priv)
+		return NULL;
+
+	for (i = 0; i < NUM_ISO_ETDS; ++i)
+		ep_priv->etd[i] = -1;
+
+	return ep_priv;
+}
+
+static int imx21_hc_urb_enqueue(struct usb_hcd *hcd,
+				struct urb *urb, gfp_t mem_flags)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	struct usb_host_endpoint *ep = urb->ep;
+	struct urb_priv *urb_priv;
+	struct ep_priv *ep_priv;
+	struct etd_priv *etd;
+	int ret;
+	unsigned long flags;
+	int new_ep = 0;
+
+	dev_vdbg(imx21->dev,
+		"enqueue urb=%p ep=%p len=%d "
+		"buffer=%p dma=%08X setupBuf=%p setupDma=%08X\n",
+		urb, ep,
+		urb->transfer_buffer_length,
+		urb->transfer_buffer, urb->transfer_dma,
+		urb->setup_packet, urb->setup_dma);
+
+	if (usb_pipeisoc(urb->pipe))
+		return imx21_hc_urb_enqueue_isoc(hcd, ep, urb, mem_flags);
+
+	urb_priv = kzalloc(sizeof(struct urb_priv), mem_flags);
+	if (!urb_priv)
+		return -ENOMEM;
+
+	spin_lock_irqsave(&imx21->lock, flags);
+
+	ep_priv = ep->hcpriv;
+	if (ep_priv == NULL) {
+		ep_priv = alloc_ep();
+		if (!ep_priv) {
+			ret = -ENOMEM;
+			goto failed_alloc_ep;
+		}
+		ep->hcpriv = ep_priv;
+		ep_priv->ep = ep;
+		new_ep = 1;
+	}
+
+	ret = usb_hcd_link_urb_to_ep(hcd, urb);
+	if (ret)
+		goto failed_link;
+
+	urb->status = -EINPROGRESS;
+	urb->actual_length = 0;
+	urb->error_count = 0;
+	urb->hcpriv = urb_priv;
+	urb_priv->ep = ep;
+
+	switch (usb_pipetype(urb->pipe)) {
+	case PIPE_CONTROL:
+		urb_priv->state = US_CTRL_SETUP;
+		break;
+	case PIPE_BULK:
+		urb_priv->state = US_BULK;
+		break;
+	}
+
+	debug_urb_submitted(imx21, urb);
+	if (ep_priv->etd[0] < 0) {
+		if (ep_priv->waiting_etd) {
+			dev_dbg(imx21->dev,
+				"no ETD available already queued %p\n",
+				ep_priv);
+			debug_urb_queued_for_etd(imx21, urb);
+			goto out;
+		}
+		ep_priv->etd[0] = alloc_etd(imx21);
+		if (ep_priv->etd[0] < 0) {
+			dev_dbg(imx21->dev,
+				"no ETD available queueing %p\n", ep_priv);
+			debug_urb_queued_for_etd(imx21, urb);
+			list_add_tail(&ep_priv->queue, &imx21->queue_for_etd);
+			ep_priv->waiting_etd = 1;
+			goto out;
+		}
+	}
+
+	/* Schedule if no URB already active for this endpoint */
+	etd = &imx21->etd[ep_priv->etd[0]];
+	if (etd->urb == NULL) {
+		DEBUG_LOG_FRAME(imx21, etd, last_req);
+		schedule_nonisoc_etd(imx21, urb);
+	}
+
+out:
+	spin_unlock_irqrestore(&imx21->lock, flags);
+	return 0;
+
+failed_link:
+failed_alloc_ep:
+	spin_unlock_irqrestore(&imx21->lock, flags);
+	kfree(urb_priv);
+	return ret;
+}
+
+static int imx21_hc_urb_dequeue(struct usb_hcd *hcd, struct urb *urb,
+				int status)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	unsigned long flags;
+	struct usb_host_endpoint *ep;
+	struct ep_priv *ep_priv;
+	struct urb_priv *urb_priv = urb->hcpriv;
+	int ret = -EINVAL;
+
+	dev_vdbg(imx21->dev, "dequeue urb=%p iso=%d status=%d\n",
+		urb, usb_pipeisoc(urb->pipe), status);
+
+	spin_lock_irqsave(&imx21->lock, flags);
+
+	ret = usb_hcd_check_unlink_urb(hcd, urb, status);
+	if (ret)
+		goto fail;
+	ep = urb_priv->ep;
+	ep_priv = ep->hcpriv;
+
+	debug_urb_unlinked(imx21, urb);
+
+	if (usb_pipeisoc(urb->pipe)) {
+		dequeue_isoc_urb(imx21, urb, ep_priv);
+		schedule_isoc_etds(hcd, ep);
+	} else if (urb_priv->active) {
+		int etd_num = ep_priv->etd[0];
+		if (etd_num != -1) {
+			disactivate_etd(imx21, etd_num);
+			free_dmem(imx21, etd_readl(imx21, etd_num, 1) & 0xffff);
+			imx21->etd[etd_num].urb = NULL;
+		}
+	}
+
+	urb_done(hcd, urb, status);
+
+	spin_unlock_irqrestore(&imx21->lock, flags);
+	return 0;
+
+fail:
+	spin_unlock_irqrestore(&imx21->lock, flags);
+	return ret;
+}
+
+/* =========================================== */
+/* Interrupt dispatch	 			*/
+/* =========================================== */
+
+static void process_etds(struct usb_hcd *hcd, struct imx21 *imx21, int sof)
+{
+	int etd_num;
+	int enable_sof_int = 0;
+	unsigned long flags;
+
+	spin_lock_irqsave(&imx21->lock, flags);
+
+	for (etd_num = 0; etd_num < USB_NUM_ETD; etd_num++) {
+		u32 etd_mask = 1 << etd_num;
+		u32 enabled = readl(imx21->regs + USBH_ETDENSET) & etd_mask;
+		u32 done = readl(imx21->regs + USBH_ETDDONESTAT) & etd_mask;
+		struct etd_priv *etd = &imx21->etd[etd_num];
+
+
+		if (done) {
+			DEBUG_LOG_FRAME(imx21, etd, last_int);
+		} else {
+/*
+ * Kludge warning!
+ *
+ * When multiple transfers are using the bus we sometimes get into a state
+ * where the transfer has completed (the CC field of the ETD is != 0x0F),
+ * the ETD has self disabled but the ETDDONESTAT flag is not set
+ * (and hence no interrupt occurs).
+ * This causes the transfer in question to hang.
+ * The kludge below checks for this condition at each SOF and processes any
+ * blocked ETDs (after an arbitary 10 frame wait)
+ *
+ * With a single active transfer the usbtest test suite will run for days
+ * without the kludge.
+ * With other bus activity (eg mass storage) even just test1 will hang without
+ * the kludge.
+ */
+			u32 dword0;
+			int cc;
+
+			if (etd->active_count && !enabled) /* suspicious... */
+				enable_sof_int = 1;
+
+			if (!sof || enabled || !etd->active_count)
+				continue;
+
+			cc = etd_readl(imx21, etd_num, 2) >> DW2_COMPCODE;
+			if (cc == TD_NOTACCESSED)
+				continue;
+
+			if (++etd->active_count < 10)
+				continue;
+
+			dword0 = etd_readl(imx21, etd_num, 0);
+			dev_dbg(imx21->dev,
+				"unblock ETD %d dev=0x%X ep=0x%X cc=0x%02X!\n",
+				etd_num, dword0 & 0x7F,
+				(dword0 >> DW0_ENDPNT) & 0x0F,
+				cc);
+
+#ifdef DEBUG
+			dev_dbg(imx21->dev,
+				"frame: act=%d disact=%d"
+				" int=%d req=%d cur=%d\n",
+				etd->activated_frame,
+				etd->disactivated_frame,
+				etd->last_int_frame,
+				etd->last_req_frame,
+				readl(imx21->regs + USBH_FRMNUB));
+			imx21->debug_unblocks++;
+#endif
+			etd->active_count = 0;
+/* End of kludge */
+		}
+
+		if (etd->ep == NULL || etd->urb == NULL) {
+			dev_dbg(imx21->dev,
+				"Interrupt for unexpected etd %d"
+				" ep=%p urb=%p\n",
+				etd_num, etd->ep, etd->urb);
+			disactivate_etd(imx21, etd_num);
+			continue;
+		}
+
+		if (usb_pipeisoc(etd->urb->pipe))
+			isoc_etd_done(hcd, etd->urb, etd_num);
+		else
+			nonisoc_etd_done(hcd, etd->urb, etd_num);
+	}
+
+	/* only enable SOF interrupt if it may be needed for the kludge */
+	if (enable_sof_int)
+		set_register_bits(imx21, USBH_SYSIEN, USBH_SYSIEN_SOFINT);
+	else
+		clear_register_bits(imx21, USBH_SYSIEN, USBH_SYSIEN_SOFINT);
+
+
+	spin_unlock_irqrestore(&imx21->lock, flags);
+}
+
+static irqreturn_t imx21_irq(struct usb_hcd *hcd)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	u32 ints = readl(imx21->regs + USBH_SYSISR);
+
+	if (ints & USBH_SYSIEN_HERRINT)
+		dev_dbg(imx21->dev, "Scheduling error\n");
+
+	if (ints & USBH_SYSIEN_SORINT)
+		dev_dbg(imx21->dev, "Scheduling overrun\n");
+
+	if (ints & (USBH_SYSISR_DONEINT | USBH_SYSISR_SOFINT))
+		process_etds(hcd, imx21, ints & USBH_SYSISR_SOFINT);
+
+	writel(ints, imx21->regs + USBH_SYSISR);
+	return IRQ_HANDLED;
+}
+
+static void imx21_hc_endpoint_disable(struct usb_hcd *hcd,
+				      struct usb_host_endpoint *ep)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	unsigned long flags;
+	struct ep_priv *ep_priv;
+	int i;
+
+	if (ep == NULL)
+		return;
+
+	spin_lock_irqsave(&imx21->lock, flags);
+	ep_priv = ep->hcpriv;
+	dev_vdbg(imx21->dev, "disable ep=%p, ep->hcpriv=%p\n", ep, ep_priv);
+
+	if (!list_empty(&ep->urb_list))
+		dev_dbg(imx21->dev, "ep's URB list is not empty\n");
+
+	if (ep_priv != NULL) {
+		for (i = 0; i < NUM_ISO_ETDS; i++) {
+			if (ep_priv->etd[i] > -1)
+				dev_dbg(imx21->dev, "free etd %d for disable\n",
+					ep_priv->etd[i]);
+
+			free_etd(imx21, ep_priv->etd[i]);
+		}
+		kfree(ep_priv);
+		ep->hcpriv = NULL;
+	}
+
+	for (i = 0; i < USB_NUM_ETD; i++) {
+		if (imx21->etd[i].alloc && imx21->etd[i].ep == ep) {
+			dev_err(imx21->dev,
+				"Active etd %d for disabled ep=%p!\n", i, ep);
+			free_etd(imx21, i);
+		}
+	}
+	free_epdmem(imx21, ep);
+	spin_unlock_irqrestore(&imx21->lock, flags);
+}
+
+/* =========================================== */
+/* Hub handling		 			*/
+/* =========================================== */
+
+static int get_hub_descriptor(struct usb_hcd *hcd,
+			      struct usb_hub_descriptor *desc)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	desc->bDescriptorType = 0x29;	/* HUB descriptor */
+	desc->bHubContrCurrent = 0;
+
+	desc->bNbrPorts = readl(imx21->regs + USBH_ROOTHUBA)
+		& USBH_ROOTHUBA_NDNSTMPRT_MASK;
+	desc->bDescLength = 9;
+	desc->bPwrOn2PwrGood = 0;
+	desc->wHubCharacteristics = (__force __u16) cpu_to_le16(
+		0x0002 |	/* No power switching */
+		0x0010 |	/* No over current protection */
+		0);
+
+	desc->bitmap[0] = 1 << 1;
+	desc->bitmap[1] = ~0;
+	return 0;
+}
+
+static int imx21_hc_hub_status_data(struct usb_hcd *hcd, char *buf)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	int ports;
+	int changed = 0;
+	int i;
+	unsigned long flags;
+
+	spin_lock_irqsave(&imx21->lock, flags);
+	ports = readl(imx21->regs + USBH_ROOTHUBA)
+		& USBH_ROOTHUBA_NDNSTMPRT_MASK;
+	if (ports > 7) {
+		ports = 7;
+		dev_err(imx21->dev, "ports %d > 7\n", ports);
+	}
+	for (i = 0; i < ports; i++) {
+		if (readl(imx21->regs + USBH_PORTSTAT(i)) &
+			(USBH_PORTSTAT_CONNECTSC |
+			USBH_PORTSTAT_PRTENBLSC |
+			USBH_PORTSTAT_PRTSTATSC |
+			USBH_PORTSTAT_OVRCURIC |
+			USBH_PORTSTAT_PRTRSTSC)) {
+
+			changed = 1;
+			buf[0] |= 1 << (i + 1);
+		}
+	}
+	spin_unlock_irqrestore(&imx21->lock, flags);
+
+	if (changed)
+		dev_info(imx21->dev, "Hub status changed\n");
+	return changed;
+}
+
+static int imx21_hc_hub_control(struct usb_hcd *hcd,
+				u16 typeReq,
+				u16 wValue, u16 wIndex, char *buf, u16 wLength)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	int rc = 0;
+	u32 status_write = 0;
+
+	switch (typeReq) {
+	case ClearHubFeature:
+		dev_dbg(imx21->dev, "ClearHubFeature\n");
+		switch (wValue) {
+		case C_HUB_OVER_CURRENT:
+			dev_dbg(imx21->dev, "    OVER_CURRENT\n");
+			break;
+		case C_HUB_LOCAL_POWER:
+			dev_dbg(imx21->dev, "    LOCAL_POWER\n");
+			break;
+		default:
+			dev_dbg(imx21->dev, "    unknown\n");
+			rc = -EINVAL;
+			break;
+		}
+		break;
+
+	case ClearPortFeature:
+		dev_dbg(imx21->dev, "ClearPortFeature\n");
+		switch (wValue) {
+		case USB_PORT_FEAT_ENABLE:
+			dev_dbg(imx21->dev, "    ENABLE\n");
+			status_write = USBH_PORTSTAT_CURCONST;
+			break;
+		case USB_PORT_FEAT_SUSPEND:
+			dev_dbg(imx21->dev, "    SUSPEND\n");
+			status_write = USBH_PORTSTAT_PRTOVRCURI;
+			break;
+		case USB_PORT_FEAT_POWER:
+			dev_dbg(imx21->dev, "    POWER\n");
+			status_write = USBH_PORTSTAT_LSDEVCON;
+			break;
+		case USB_PORT_FEAT_C_ENABLE:
+			dev_dbg(imx21->dev, "    C_ENABLE\n");
+			status_write = USBH_PORTSTAT_PRTENBLSC;
+			break;
+		case USB_PORT_FEAT_C_SUSPEND:
+			dev_dbg(imx21->dev, "    C_SUSPEND\n");
+			status_write = USBH_PORTSTAT_PRTSTATSC;
+			break;
+		case USB_PORT_FEAT_C_CONNECTION:
+			dev_dbg(imx21->dev, "    C_CONNECTION\n");
+			status_write = USBH_PORTSTAT_CONNECTSC;
+			break;
+		case USB_PORT_FEAT_C_OVER_CURRENT:
+			dev_dbg(imx21->dev, "    C_OVER_CURRENT\n");
+			status_write = USBH_PORTSTAT_OVRCURIC;
+			break;
+		case USB_PORT_FEAT_C_RESET:
+			dev_dbg(imx21->dev, "    C_RESET\n");
+			status_write = USBH_PORTSTAT_PRTRSTSC;
+			break;
+		default:
+			dev_dbg(imx21->dev, "    unknown\n");
+			rc = -EINVAL;
+			break;
+		}
+
+		break;
+
+	case GetHubDescriptor:
+		dev_dbg(imx21->dev, "GetHubDescriptor\n");
+		rc = get_hub_descriptor(hcd, (void *)buf);
+		break;
+
+	case GetHubStatus:
+		dev_dbg(imx21->dev, "  GetHubStatus\n");
+		*(__le32 *) buf = 0;
+		break;
+
+	case GetPortStatus:
+		dev_dbg(imx21->dev, "GetPortStatus: port: %d, 0x%x\n",
+		    wIndex, USBH_PORTSTAT(wIndex - 1));
+		*(__le32 *) buf = readl(imx21->regs +
+			USBH_PORTSTAT(wIndex - 1));
+		break;
+
+	case SetHubFeature:
+		dev_dbg(imx21->dev, "SetHubFeature\n");
+		switch (wValue) {
+		case C_HUB_OVER_CURRENT:
+			dev_dbg(imx21->dev, "    OVER_CURRENT\n");
+			break;
+
+		case C_HUB_LOCAL_POWER:
+			dev_dbg(imx21->dev, "    LOCAL_POWER\n");
+			break;
+		default:
+			dev_dbg(imx21->dev, "    unknown\n");
+			rc = -EINVAL;
+			break;
+		}
+
+		break;
+
+	case SetPortFeature:
+		dev_dbg(imx21->dev, "SetPortFeature\n");
+		switch (wValue) {
+		case USB_PORT_FEAT_SUSPEND:
+			dev_dbg(imx21->dev, "    SUSPEND\n");
+			status_write = USBH_PORTSTAT_PRTSUSPST;
+			break;
+		case USB_PORT_FEAT_POWER:
+			dev_dbg(imx21->dev, "    POWER\n");
+			status_write = USBH_PORTSTAT_PRTPWRST;
+			break;
+		case USB_PORT_FEAT_RESET:
+			dev_dbg(imx21->dev, "    RESET\n");
+			status_write = USBH_PORTSTAT_PRTRSTST;
+			break;
+		default:
+			dev_dbg(imx21->dev, "    unknown\n");
+			rc = -EINVAL;
+			break;
+		}
+		break;
+
+	default:
+		dev_dbg(imx21->dev, "  unknown\n");
+		rc = -EINVAL;
+		break;
+	}
+
+	if (status_write)
+		writel(status_write, imx21->regs + USBH_PORTSTAT(wIndex - 1));
+	return rc;
+}
+
+/* =========================================== */
+/* Host controller management 			*/
+/* =========================================== */
+
+static int imx21_hc_reset(struct usb_hcd *hcd)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	unsigned long timeout;
+	unsigned long flags;
+
+	spin_lock_irqsave(&imx21->lock, flags);
+
+	/* Reset the Host controler modules */
+	writel(USBOTG_RST_RSTCTRL | USBOTG_RST_RSTRH |
+		USBOTG_RST_RSTHSIE | USBOTG_RST_RSTHC,
+		imx21->regs + USBOTG_RST_CTRL);
+
+	/* Wait for reset to finish */
+	timeout = jiffies + HZ;
+	while (readl(imx21->regs + USBOTG_RST_CTRL) != 0) {
+		if (time_after(jiffies, timeout)) {
+			spin_unlock_irqrestore(&imx21->lock, flags);
+			dev_err(imx21->dev, "timeout waiting for reset\n");
+			return -ETIMEDOUT;
+		}
+		spin_unlock_irq(&imx21->lock);
+		schedule_timeout(1);
+		spin_lock_irq(&imx21->lock);
+	}
+	spin_unlock_irqrestore(&imx21->lock, flags);
+	return 0;
+}
+
+static int __devinit imx21_hc_start(struct usb_hcd *hcd)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	unsigned long flags;
+	int i, j;
+	u32 hw_mode = USBOTG_HWMODE_CRECFG_HOST;
+	u32 usb_control = 0;
+
+	hw_mode |= ((imx21->pdata->host_xcvr << USBOTG_HWMODE_HOSTXCVR_SHIFT) &
+			USBOTG_HWMODE_HOSTXCVR_MASK);
+	hw_mode |= ((imx21->pdata->otg_xcvr << USBOTG_HWMODE_OTGXCVR_SHIFT) &
+			USBOTG_HWMODE_OTGXCVR_MASK);
+
+	if (imx21->pdata->host1_txenoe)
+		usb_control |= USBCTRL_HOST1_TXEN_OE;
+
+	if (!imx21->pdata->host1_xcverless)
+		usb_control |= USBCTRL_HOST1_BYP_TLL;
+
+	if (imx21->pdata->otg_ext_xcvr)
+		usb_control |= USBCTRL_OTC_RCV_RXDP;
+
+
+	spin_lock_irqsave(&imx21->lock, flags);
+
+	writel((USBOTG_CLK_CTRL_HST | USBOTG_CLK_CTRL_MAIN),
+		imx21->regs + USBOTG_CLK_CTRL);
+	writel(hw_mode, imx21->regs + USBOTG_HWMODE);
+	writel(usb_control, imx21->regs + USBCTRL);
+	writel(USB_MISCCONTROL_SKPRTRY  | USB_MISCCONTROL_ARBMODE,
+		imx21->regs + USB_MISCCONTROL);
+
+	/* Clear the ETDs */
+	for (i = 0; i < USB_NUM_ETD; i++)
+		for (j = 0; j < 4; j++)
+			etd_writel(imx21, i, j, 0);
+
+	/* Take the HC out of reset */
+	writel(USBH_HOST_CTRL_HCUSBSTE_OPERATIONAL | USBH_HOST_CTRL_CTLBLKSR_1,
+		imx21->regs + USBH_HOST_CTRL);
+
+	/* Enable ports */
+	if (imx21->pdata->enable_otg_host)
+		writel(USBH_PORTSTAT_PRTPWRST | USBH_PORTSTAT_PRTENABST,
+			imx21->regs + USBH_PORTSTAT(0));
+
+	if (imx21->pdata->enable_host1)
+		writel(USBH_PORTSTAT_PRTPWRST | USBH_PORTSTAT_PRTENABST,
+			imx21->regs + USBH_PORTSTAT(1));
+
+	if (imx21->pdata->enable_host2)
+		writel(USBH_PORTSTAT_PRTPWRST | USBH_PORTSTAT_PRTENABST,
+			imx21->regs + USBH_PORTSTAT(2));
+
+
+	hcd->state = HC_STATE_RUNNING;
+
+	/* Enable host controller interrupts */
+	set_register_bits(imx21, USBH_SYSIEN,
+		USBH_SYSIEN_HERRINT |
+		USBH_SYSIEN_DONEINT | USBH_SYSIEN_SORINT);
+	set_register_bits(imx21, USBOTG_CINT_STEN, USBOTG_HCINT);
+
+	spin_unlock_irqrestore(&imx21->lock, flags);
+
+	return 0;
+}
+
+static void imx21_hc_stop(struct usb_hcd *hcd)
+{
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	unsigned long flags;
+
+	spin_lock_irqsave(&imx21->lock, flags);
+
+	writel(0, imx21->regs + USBH_SYSIEN);
+	clear_register_bits(imx21, USBOTG_CINT_STEN, USBOTG_HCINT);
+	clear_register_bits(imx21, USBOTG_CLK_CTRL_HST | USBOTG_CLK_CTRL_MAIN,
+					USBOTG_CLK_CTRL);
+	spin_unlock_irqrestore(&imx21->lock, flags);
+}
+
+/* =========================================== */
+/* Driver glue		 			*/
+/* =========================================== */
+
+static struct hc_driver imx21_hc_driver = {
+	.description = hcd_name,
+	.product_desc = "IMX21 USB Host Controller",
+	.hcd_priv_size = sizeof(struct imx21),
+
+	.flags = HCD_USB11,
+	.irq = imx21_irq,
+
+	.reset = imx21_hc_reset,
+	.start = imx21_hc_start,
+	.stop = imx21_hc_stop,
+
+	/* I/O requests */
+	.urb_enqueue = imx21_hc_urb_enqueue,
+	.urb_dequeue = imx21_hc_urb_dequeue,
+	.endpoint_disable = imx21_hc_endpoint_disable,
+
+	/* scheduling support */
+	.get_frame_number = imx21_hc_get_frame,
+
+	/* Root hub support */
+	.hub_status_data = imx21_hc_hub_status_data,
+	.hub_control = imx21_hc_hub_control,
+
+};
+
+static struct mx21_usbh_platform_data default_pdata = {
+	.host_xcvr = MX21_USBXCVR_TXDIF_RXDIF,
+	.otg_xcvr = MX21_USBXCVR_TXDIF_RXDIF,
+	.enable_host1 = 1,
+	.enable_host2 = 1,
+	.enable_otg_host = 1,
+
+};
+
+static int imx21_remove(struct platform_device *pdev)
+{
+	struct usb_hcd *hcd = platform_get_drvdata(pdev);
+	struct imx21 *imx21 = hcd_to_imx21(hcd);
+	struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+	remove_debug_files(imx21);
+	usb_remove_hcd(hcd);
+
+	if (res != NULL) {
+		clk_disable(imx21->clk);
+		clk_put(imx21->clk);
+		iounmap(imx21->regs);
+		release_mem_region(res->start, resource_size(res));
+	}
+
+	kfree(hcd);
+	return 0;
+}
+
+
+static int imx21_probe(struct platform_device *pdev)
+{
+	struct usb_hcd *hcd;
+	struct imx21 *imx21;
+	struct resource *res;
+	int ret;
+	int irq;
+
+	printk(KERN_INFO "%s\n", imx21_hc_driver.product_desc);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -ENODEV;
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return -ENXIO;
+
+	hcd = usb_create_hcd(&imx21_hc_driver,
+		&pdev->dev, dev_name(&pdev->dev));
+	if (hcd == NULL) {
+		dev_err(&pdev->dev, "Cannot create hcd (%s)\n",
+		    dev_name(&pdev->dev));
+		return -ENOMEM;
+	}
+
+	imx21 = hcd_to_imx21(hcd);
+	imx21->dev = &pdev->dev;
+	imx21->pdata = pdev->dev.platform_data;
+	if (!imx21->pdata)
+		imx21->pdata = &default_pdata;
+
+	spin_lock_init(&imx21->lock);
+	INIT_LIST_HEAD(&imx21->dmem_list);
+	INIT_LIST_HEAD(&imx21->queue_for_etd);
+	INIT_LIST_HEAD(&imx21->queue_for_dmem);
+	create_debug_files(imx21);
+
+	res = request_mem_region(res->start, resource_size(res), hcd_name);
+	if (!res) {
+		ret = -EBUSY;
+		goto failed_request_mem;
+	}
+
+	imx21->regs = ioremap(res->start, resource_size(res));
+	if (imx21->regs == NULL) {
+		dev_err(imx21->dev, "Cannot map registers\n");
+		ret = -ENOMEM;
+		goto failed_ioremap;
+	}
+
+	/* Enable clocks source */
+	imx21->clk = clk_get(imx21->dev, NULL);
+	if (IS_ERR(imx21->clk)) {
+		dev_err(imx21->dev, "no clock found\n");
+		ret = PTR_ERR(imx21->clk);
+		goto failed_clock_get;
+	}
+
+	ret = clk_set_rate(imx21->clk, clk_round_rate(imx21->clk, 48000000));
+	if (ret)
+		goto failed_clock_set;
+	ret = clk_enable(imx21->clk);
+	if (ret)
+		goto failed_clock_enable;
+
+	dev_info(imx21->dev, "Hardware HC revision: 0x%02X\n",
+		(readl(imx21->regs + USBOTG_HWMODE) >> 16) & 0xFF);
+
+	ret = usb_add_hcd(hcd, irq, IRQF_DISABLED);
+	if (ret != 0) {
+		dev_err(imx21->dev, "usb_add_hcd() returned %d\n", ret);
+		goto failed_add_hcd;
+	}
+
+	return 0;
+
+failed_add_hcd:
+	clk_disable(imx21->clk);
+failed_clock_enable:
+failed_clock_set:
+	clk_put(imx21->clk);
+failed_clock_get:
+	iounmap(imx21->regs);
+failed_ioremap:
+	release_mem_region(res->start, res->end - res->start);
+failed_request_mem:
+	remove_debug_files(imx21);
+	usb_put_hcd(hcd);
+	return ret;
+}
+
+static struct platform_driver imx21_hcd_driver = {
+	.driver = {
+		   .name = (char *)hcd_name,
+		   },
+	.probe = imx21_probe,
+	.remove = imx21_remove,
+	.suspend = NULL,
+	.resume = NULL,
+};
+
+static int __init imx21_hcd_init(void)
+{
+	return platform_driver_register(&imx21_hcd_driver);
+}
+
+static void __exit imx21_hcd_cleanup(void)
+{
+	platform_driver_unregister(&imx21_hcd_driver);
+}
+
+module_init(imx21_hcd_init);
+module_exit(imx21_hcd_cleanup);
+
+MODULE_DESCRIPTION("i.MX21 USB Host controller");
+MODULE_AUTHOR("Martin Fuzzey");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:imx21-hcd");
diff --git a/drivers/usb/host/imx21-hcd.h b/drivers/usb/host/imx21-hcd.h
new file mode 100644
index 000000000000..1b0d913780a5
--- /dev/null
+++ b/drivers/usb/host/imx21-hcd.h
@@ -0,0 +1,436 @@
+/*
+ * Macros and prototypes for i.MX21
+ *
+ * Copyright (C) 2006 Loping Dog Embedded Systems
+ * Copyright (C) 2009 Martin Fuzzey
+ * Originally written by Jay Monkman <jtm@lopingdog.com>
+ * Ported to 2.6.30, debugged and enhanced by Martin Fuzzey
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __LINUX_IMX21_HCD_H__
+#define __LINUX_IMX21_HCD_H__
+
+#include <mach/mx21-usbhost.h>
+
+#define NUM_ISO_ETDS 	2
+#define USB_NUM_ETD	32
+#define DMEM_SIZE   	4096
+
+/* Register definitions */
+#define USBOTG_HWMODE		0x00
+#define USBOTG_HWMODE_ANASDBEN		(1 << 14)
+#define USBOTG_HWMODE_OTGXCVR_SHIFT	6
+#define USBOTG_HWMODE_OTGXCVR_MASK	(3 << 6)
+#define USBOTG_HWMODE_OTGXCVR_TD_RD	(0 << 6)
+#define USBOTG_HWMODE_OTGXCVR_TS_RD	(2 << 6)
+#define USBOTG_HWMODE_OTGXCVR_TD_RS	(1 << 6)
+#define USBOTG_HWMODE_OTGXCVR_TS_RS	(3 << 6)
+#define USBOTG_HWMODE_HOSTXCVR_SHIFT	4
+#define USBOTG_HWMODE_HOSTXCVR_MASK	(3 << 4)
+#define USBOTG_HWMODE_HOSTXCVR_TD_RD	(0 << 4)
+#define USBOTG_HWMODE_HOSTXCVR_TS_RD	(2 << 4)
+#define USBOTG_HWMODE_HOSTXCVR_TD_RS	(1 << 4)
+#define USBOTG_HWMODE_HOSTXCVR_TS_RS	(3 << 4)
+#define USBOTG_HWMODE_CRECFG_MASK	(3 << 0)
+#define USBOTG_HWMODE_CRECFG_HOST	(1 << 0)
+#define USBOTG_HWMODE_CRECFG_FUNC	(2 << 0)
+#define USBOTG_HWMODE_CRECFG_HNP	(3 << 0)
+
+#define USBOTG_CINT_STAT	0x04
+#define USBOTG_CINT_STEN	0x08
+#define USBOTG_ASHNPINT			(1 << 5)
+#define USBOTG_ASFCINT			(1 << 4)
+#define USBOTG_ASHCINT			(1 << 3)
+#define USBOTG_SHNPINT			(1 << 2)
+#define USBOTG_FCINT			(1 << 1)
+#define USBOTG_HCINT			(1 << 0)
+
+#define USBOTG_CLK_CTRL		0x0c
+#define USBOTG_CLK_CTRL_FUNC		(1 << 2)
+#define USBOTG_CLK_CTRL_HST		(1 << 1)
+#define USBOTG_CLK_CTRL_MAIN		(1 << 0)
+
+#define USBOTG_RST_CTRL		0x10
+#define USBOTG_RST_RSTI2C		(1 << 15)
+#define USBOTG_RST_RSTCTRL		(1 << 5)
+#define USBOTG_RST_RSTFC		(1 << 4)
+#define USBOTG_RST_RSTFSKE		(1 << 3)
+#define USBOTG_RST_RSTRH		(1 << 2)
+#define USBOTG_RST_RSTHSIE		(1 << 1)
+#define USBOTG_RST_RSTHC		(1 << 0)
+
+#define USBOTG_FRM_INTVL    	0x14
+#define USBOTG_FRM_REMAIN   	0x18
+#define USBOTG_HNP_CSR	    	0x1c
+#define USBOTG_HNP_ISR	    	0x2c
+#define USBOTG_HNP_IEN	    	0x30
+
+#define USBOTG_I2C_TXCVR_REG(x)	(0x100 + (x))
+#define USBOTG_I2C_XCVR_DEVAD		0x118
+#define USBOTG_I2C_SEQ_OP_REG		0x119
+#define USBOTG_I2C_SEQ_RD_STARTAD	0x11a
+#define USBOTG_I2C_OP_CTRL_REG	     	0x11b
+#define USBOTG_I2C_SCLK_TO_SCK_HPER  	0x11e
+#define USBOTG_I2C_MASTER_INT_REG    	0x11f
+
+#define USBH_HOST_CTRL		0x80
+#define USBH_HOST_CTRL_HCRESET			(1 << 31)
+#define USBH_HOST_CTRL_SCHDOVR(x)		((x) << 16)
+#define USBH_HOST_CTRL_RMTWUEN			(1 << 4)
+#define USBH_HOST_CTRL_HCUSBSTE_RESET		(0 << 2)
+#define USBH_HOST_CTRL_HCUSBSTE_RESUME		(1 << 2)
+#define USBH_HOST_CTRL_HCUSBSTE_OPERATIONAL	(2 << 2)
+#define USBH_HOST_CTRL_HCUSBSTE_SUSPEND	(3 << 2)
+#define USBH_HOST_CTRL_CTLBLKSR_1		(0 << 0)
+#define USBH_HOST_CTRL_CTLBLKSR_2		(1 << 0)
+#define USBH_HOST_CTRL_CTLBLKSR_3		(2 << 0)
+#define USBH_HOST_CTRL_CTLBLKSR_4		(3 << 0)
+
+#define USBH_SYSISR		0x88
+#define USBH_SYSISR_PSCINT		(1 << 6)
+#define USBH_SYSISR_FMOFINT		(1 << 5)
+#define USBH_SYSISR_HERRINT		(1 << 4)
+#define USBH_SYSISR_RESDETINT		(1 << 3)
+#define USBH_SYSISR_SOFINT		(1 << 2)
+#define USBH_SYSISR_DONEINT		(1 << 1)
+#define USBH_SYSISR_SORINT		(1 << 0)
+
+#define USBH_SYSIEN	    	0x8c
+#define USBH_SYSIEN_PSCINT		(1 << 6)
+#define USBH_SYSIEN_FMOFINT		(1 << 5)
+#define USBH_SYSIEN_HERRINT		(1 << 4)
+#define USBH_SYSIEN_RESDETINT		(1 << 3)
+#define USBH_SYSIEN_SOFINT		(1 << 2)
+#define USBH_SYSIEN_DONEINT		(1 << 1)
+#define USBH_SYSIEN_SORINT		(1 << 0)
+
+#define USBH_XBUFSTAT	    	0x98
+#define USBH_YBUFSTAT	    	0x9c
+#define USBH_XYINTEN	    	0xa0
+#define USBH_XFILLSTAT	    	0xa8
+#define USBH_YFILLSTAT	    	0xac
+#define USBH_ETDENSET	    	0xc0
+#define USBH_ETDENCLR	    	0xc4
+#define USBH_IMMEDINT	    	0xcc
+#define USBH_ETDDONESTAT    	0xd0
+#define USBH_ETDDONEEN	    	0xd4
+#define USBH_FRMNUB	    	0xe0
+#define USBH_LSTHRESH	    	0xe4
+
+#define USBH_ROOTHUBA	    	0xe8
+#define USBH_ROOTHUBA_PWRTOGOOD_MASK	(0xff)
+#define USBH_ROOTHUBA_PWRTOGOOD_SHIFT	(24)
+#define USBH_ROOTHUBA_NOOVRCURP	(1 << 12)
+#define USBH_ROOTHUBA_OVRCURPM		(1 << 11)
+#define USBH_ROOTHUBA_DEVTYPE		(1 << 10)
+#define USBH_ROOTHUBA_PWRSWTMD		(1 << 9)
+#define USBH_ROOTHUBA_NOPWRSWT		(1 << 8)
+#define USBH_ROOTHUBA_NDNSTMPRT_MASK	(0xff)
+
+#define USBH_ROOTHUBB		0xec
+#define USBH_ROOTHUBB_PRTPWRCM(x)	(1 << ((x) + 16))
+#define USBH_ROOTHUBB_DEVREMOVE(x)	(1 << (x))
+
+#define USBH_ROOTSTAT		0xf0
+#define USBH_ROOTSTAT_CLRRMTWUE	(1 << 31)
+#define USBH_ROOTSTAT_OVRCURCHG	(1 << 17)
+#define USBH_ROOTSTAT_DEVCONWUE	(1 << 15)
+#define USBH_ROOTSTAT_OVRCURI		(1 << 1)
+#define USBH_ROOTSTAT_LOCPWRS		(1 << 0)
+
+#define USBH_PORTSTAT(x)	(0xf4 + ((x) * 4))
+#define USBH_PORTSTAT_PRTRSTSC		(1 << 20)
+#define USBH_PORTSTAT_OVRCURIC		(1 << 19)
+#define USBH_PORTSTAT_PRTSTATSC	(1 << 18)
+#define USBH_PORTSTAT_PRTENBLSC	(1 << 17)
+#define USBH_PORTSTAT_CONNECTSC	(1 << 16)
+#define USBH_PORTSTAT_LSDEVCON		(1 << 9)
+#define USBH_PORTSTAT_PRTPWRST		(1 << 8)
+#define USBH_PORTSTAT_PRTRSTST		(1 << 4)
+#define USBH_PORTSTAT_PRTOVRCURI	(1 << 3)
+#define USBH_PORTSTAT_PRTSUSPST	(1 << 2)
+#define USBH_PORTSTAT_PRTENABST	(1 << 1)
+#define USBH_PORTSTAT_CURCONST		(1 << 0)
+
+#define USB_DMAREV		0x800
+#define USB_DMAINTSTAT	    	0x804
+#define USB_DMAINTSTAT_EPERR		(1 << 1)
+#define USB_DMAINTSTAT_ETDERR		(1 << 0)
+
+#define USB_DMAINTEN	    	0x808
+#define USB_DMAINTEN_EPERRINTEN	(1 << 1)
+#define USB_DMAINTEN_ETDERRINTEN	(1 << 0)
+
+#define USB_ETDDMAERSTAT    	0x80c
+#define USB_EPDMAERSTAT	    	0x810
+#define USB_ETDDMAEN	    	0x820
+#define USB_EPDMAEN	    	0x824
+#define USB_ETDDMAXTEN	    	0x828
+#define USB_EPDMAXTEN	    	0x82c
+#define USB_ETDDMAENXYT	    	0x830
+#define USB_EPDMAENXYT	    	0x834
+#define USB_ETDDMABST4EN    	0x838
+#define USB_EPDMABST4EN	    	0x83c
+
+#define USB_MISCCONTROL	    	0x840
+#define USB_MISCCONTROL_ISOPREVFRM	(1 << 3)
+#define USB_MISCCONTROL_SKPRTRY	(1 << 2)
+#define USB_MISCCONTROL_ARBMODE	(1 << 1)
+#define USB_MISCCONTROL_FILTCC		(1 << 0)
+
+#define USB_ETDDMACHANLCLR  	0x848
+#define USB_EPDMACHANLCLR   	0x84c
+#define USB_ETDSMSA(x)	    	(0x900 + ((x) * 4))
+#define USB_EPSMSA(x)	    	(0x980 + ((x) * 4))
+#define USB_ETDDMABUFPTR(x) 	(0xa00 + ((x) * 4))
+#define USB_EPDMABUFPTR(x)  	(0xa80 + ((x) * 4))
+
+#define USB_ETD_DWORD(x, w)	(0x200 + ((x) * 16) + ((w) * 4))
+#define DW0_ADDRESS	0
+#define	DW0_ENDPNT	7
+#define	DW0_DIRECT	11
+#define	DW0_SPEED	13
+#define DW0_FORMAT	14
+#define DW0_MAXPKTSIZ	16
+#define DW0_HALTED	27
+#define	DW0_TOGCRY	28
+#define	DW0_SNDNAK	30
+
+#define DW1_XBUFSRTAD	0
+#define DW1_YBUFSRTAD	16
+
+#define DW2_RTRYDELAY	0
+#define DW2_POLINTERV	0
+#define DW2_STARTFRM	0
+#define DW2_RELPOLPOS	8
+#define DW2_DIRPID	16
+#define	DW2_BUFROUND	18
+#define DW2_DELAYINT	19
+#define DW2_DATATOG	22
+#define DW2_ERRORCNT	24
+#define	DW2_COMPCODE	28
+
+#define DW3_TOTBYECNT	0
+#define DW3_PKTLEN0	0
+#define DW3_COMPCODE0	12
+#define DW3_PKTLEN1	16
+#define DW3_BUFSIZE	21
+#define DW3_COMPCODE1	28
+
+#define USBCTRL		    	0x600
+#define USBCTRL_I2C_WU_INT_STAT	(1 << 27)
+#define USBCTRL_OTG_WU_INT_STAT	(1 << 26)
+#define USBCTRL_HOST_WU_INT_STAT	(1 << 25)
+#define USBCTRL_FNT_WU_INT_STAT	(1 << 24)
+#define USBCTRL_I2C_WU_INT_EN		(1 << 19)
+#define USBCTRL_OTG_WU_INT_EN		(1 << 18)
+#define USBCTRL_HOST_WU_INT_EN		(1 << 17)
+#define USBCTRL_FNT_WU_INT_EN		(1 << 16)
+#define USBCTRL_OTC_RCV_RXDP		(1 << 13)
+#define USBCTRL_HOST1_BYP_TLL		(1 << 12)
+#define USBCTRL_OTG_BYP_VAL(x)		((x) << 10)
+#define USBCTRL_HOST1_BYP_VAL(x)	((x) << 8)
+#define USBCTRL_OTG_PWR_MASK		(1 << 6)
+#define USBCTRL_HOST1_PWR_MASK		(1 << 5)
+#define USBCTRL_HOST2_PWR_MASK		(1 << 4)
+#define USBCTRL_USB_BYP			(1 << 2)
+#define USBCTRL_HOST1_TXEN_OE		(1 << 1)
+
+
+/* Values in TD blocks */
+#define TD_DIR_SETUP	    0
+#define TD_DIR_OUT	    1
+#define TD_DIR_IN	    2
+#define TD_FORMAT_CONTROL   0
+#define TD_FORMAT_ISO	    1
+#define TD_FORMAT_BULK	    2
+#define TD_FORMAT_INT	    3
+#define TD_TOGGLE_CARRY	    0
+#define TD_TOGGLE_DATA0	    2
+#define TD_TOGGLE_DATA1	    3
+
+/* control transfer states */
+#define US_CTRL_SETUP	2
+#define US_CTRL_DATA	1
+#define US_CTRL_ACK	0
+
+/* bulk transfer main state and 0-length packet */
+#define US_BULK		1
+#define US_BULK0	0
+
+/*ETD format description*/
+#define IMX_FMT_CTRL   0x0
+#define IMX_FMT_ISO    0x1
+#define IMX_FMT_BULK   0x2
+#define IMX_FMT_INT    0x3
+
+static char fmt_urb_to_etd[4] = {
+/*PIPE_ISOCHRONOUS*/ IMX_FMT_ISO,
+/*PIPE_INTERRUPT*/ IMX_FMT_INT,
+/*PIPE_CONTROL*/ IMX_FMT_CTRL,
+/*PIPE_BULK*/ IMX_FMT_BULK
+};
+
+/* condition (error) CC codes and mapping (OHCI like) */
+
+#define TD_CC_NOERROR		0x00
+#define TD_CC_CRC		0x01
+#define TD_CC_BITSTUFFING	0x02
+#define TD_CC_DATATOGGLEM	0x03
+#define TD_CC_STALL		0x04
+#define TD_DEVNOTRESP		0x05
+#define TD_PIDCHECKFAIL		0x06
+/*#define TD_UNEXPECTEDPID	0x07 - reserved, not active on MX2*/
+#define TD_DATAOVERRUN		0x08
+#define TD_DATAUNDERRUN		0x09
+#define TD_BUFFEROVERRUN	0x0C
+#define TD_BUFFERUNDERRUN	0x0D
+#define	TD_SCHEDULEOVERRUN	0x0E
+#define TD_NOTACCESSED		0x0F
+
+static const int cc_to_error[16] = {
+	/* No  Error  */ 0,
+	/* CRC Error  */ -EILSEQ,
+	/* Bit Stuff  */ -EPROTO,
+	/* Data Togg  */ -EILSEQ,
+	/* Stall      */ -EPIPE,
+	/* DevNotResp */ -ETIMEDOUT,
+	/* PIDCheck   */ -EPROTO,
+	/* UnExpPID   */ -EPROTO,
+	/* DataOver   */ -EOVERFLOW,
+	/* DataUnder  */ -EREMOTEIO,
+	/* (for hw)   */ -EIO,
+	/* (for hw)   */ -EIO,
+	/* BufferOver */ -ECOMM,
+	/* BuffUnder  */ -ENOSR,
+	/* (for HCD)  */ -ENOSPC,
+	/* (for HCD)  */ -EALREADY
+};
+
+/* HCD data associated with a usb core URB */
+struct urb_priv {
+	struct urb *urb;
+	struct usb_host_endpoint *ep;
+	int active;
+	int state;
+	struct td *isoc_td;
+	int isoc_remaining;
+	int isoc_status;
+};
+
+/* HCD data associated with a usb core endpoint */
+struct ep_priv {
+	struct usb_host_endpoint *ep;
+	struct list_head td_list;
+	struct list_head queue;
+	int etd[NUM_ISO_ETDS];
+	int waiting_etd;
+};
+
+/* isoc packet */
+struct td {
+	struct list_head list;
+	struct urb *urb;
+	struct usb_host_endpoint *ep;
+	dma_addr_t data;
+	unsigned long buf_addr;
+	int len;
+	int frame;
+	int isoc_index;
+};
+
+/* HCD data associated with a hardware ETD */
+struct etd_priv {
+	struct usb_host_endpoint *ep;
+	struct urb *urb;
+	struct td *td;
+	struct list_head queue;
+	dma_addr_t dma_handle;
+	int alloc;
+	int len;
+	int dmem_size;
+	int dmem_offset;
+	int active_count;
+#ifdef DEBUG
+	int activated_frame;
+	int disactivated_frame;
+	int last_int_frame;
+	int last_req_frame;
+	u32 submitted_dwords[4];
+#endif
+};
+
+/* Hardware data memory info */
+struct imx21_dmem_area {
+	struct usb_host_endpoint *ep;
+	unsigned int offset;
+	unsigned int size;
+	struct list_head list;
+};
+
+#ifdef DEBUG
+struct debug_usage_stats {
+	unsigned int value;
+	unsigned int maximum;
+};
+
+struct debug_stats {
+	unsigned long submitted;
+	unsigned long completed_ok;
+	unsigned long completed_failed;
+	unsigned long unlinked;
+	unsigned long queue_etd;
+	unsigned long queue_dmem;
+};
+
+struct debug_isoc_trace {
+	int schedule_frame;
+	int submit_frame;
+	int request_len;
+	int done_frame;
+	int done_len;
+	int cc;
+	struct td *td;
+};
+#endif
+
+/* HCD data structure */
+struct imx21 {
+	spinlock_t lock;
+	struct device *dev;
+	struct mx21_usbh_platform_data *pdata;
+	struct list_head dmem_list;
+	struct list_head queue_for_etd; /* eps queued due to etd shortage */
+	struct list_head queue_for_dmem; /* etds queued due to dmem shortage */
+	struct etd_priv etd[USB_NUM_ETD];
+	struct clk *clk;
+	void __iomem *regs;
+#ifdef DEBUG
+	struct dentry *debug_root;
+	struct debug_stats nonisoc_stats;
+	struct debug_stats isoc_stats;
+	struct debug_usage_stats etd_usage;
+	struct debug_usage_stats dmem_usage;
+	struct debug_isoc_trace isoc_trace[20];
+	struct debug_isoc_trace isoc_trace_failed[20];
+	unsigned long debug_unblocks;
+	int isoc_trace_index;
+	int isoc_trace_index_failed;
+#endif
+};
+
+#endif
diff --git a/drivers/usb/host/isp1362-hcd.c b/drivers/usb/host/isp1362-hcd.c
index 42971657fde2..217fb5170200 100644
--- a/drivers/usb/host/isp1362-hcd.c
+++ b/drivers/usb/host/isp1362-hcd.c
@@ -1257,7 +1257,7 @@ static int isp1362_urb_enqueue(struct usb_hcd *hcd,
 
 	/* avoid all allocations within spinlocks: request or endpoint */
 	if (!hep->hcpriv) {
-		ep = kcalloc(1, sizeof *ep, mem_flags);
+		ep = kzalloc(sizeof *ep, mem_flags);
 		if (!ep)
 			return -ENOMEM;
 	}
@@ -2719,24 +2719,11 @@ static int __init isp1362_probe(struct platform_device *pdev)
 	}
 	irq = irq_res->start;
 
-#ifdef CONFIG_USB_HCD_DMA
-	if (pdev->dev.dma_mask) {
-		struct resource *dma_res = platform_get_resource(pdev, IORESOURCE_MEM, 2);
-
-		if (!dma_res) {
-			retval = -ENODEV;
-			goto err1;
-		}
-		isp1362_hcd->data_dma = dma_res->start;
-		isp1362_hcd->max_dma_size = resource_len(dma_res);
-	}
-#else
 	if (pdev->dev.dma_mask) {
 		DBG(1, "won't do DMA");
 		retval = -ENODEV;
 		goto err1;
 	}
-#endif
 
 	if (!request_mem_region(addr->start, resource_len(addr), hcd_name)) {
 		retval = -EBUSY;
diff --git a/drivers/usb/host/isp1760-hcd.c b/drivers/usb/host/isp1760-hcd.c
index 27b8f7cb4471..9f01293600b0 100644
--- a/drivers/usb/host/isp1760-hcd.c
+++ b/drivers/usb/host/isp1760-hcd.c
@@ -17,7 +17,9 @@
 #include <linux/debugfs.h>
 #include <linux/uaccess.h>
 #include <linux/io.h>
+#include <linux/mm.h>
 #include <asm/unaligned.h>
+#include <asm/cacheflush.h>
 
 #include "../core/hcd.h"
 #include "isp1760-hcd.h"
@@ -904,6 +906,14 @@ __acquires(priv->lock)
 			status = 0;
 	}
 
+	if (usb_pipein(urb->pipe) && usb_pipetype(urb->pipe) != PIPE_CONTROL) {
+		void *ptr;
+		for (ptr = urb->transfer_buffer;
+		     ptr < urb->transfer_buffer + urb->transfer_buffer_length;
+		     ptr += PAGE_SIZE)
+			flush_dcache_page(virt_to_page(ptr));
+	}
+
 	/* complete() can reenter this HCD */
 	usb_hcd_unlink_urb_from_ep(priv_to_hcd(priv), urb);
 	spin_unlock(&priv->lock);
diff --git a/drivers/usb/host/isp1760-if.c b/drivers/usb/host/isp1760-if.c
index 1c9f977a5c9c..4293cfd28d61 100644
--- a/drivers/usb/host/isp1760-if.c
+++ b/drivers/usb/host/isp1760-if.c
@@ -109,7 +109,7 @@ static int of_isp1760_remove(struct of_device *dev)
 	return 0;
 }
 
-static struct of_device_id of_isp1760_match[] = {
+static const struct of_device_id of_isp1760_match[] = {
 	{
 		.compatible = "nxp,usb-isp1760",
 	},
diff --git a/drivers/usb/host/ohci-da8xx.c b/drivers/usb/host/ohci-da8xx.c
new file mode 100644
index 000000000000..4aa08d36d077
--- /dev/null
+++ b/drivers/usb/host/ohci-da8xx.c
@@ -0,0 +1,456 @@
+/*
+ * OHCI HCD (Host Controller Driver) for USB.
+ *
+ * TI DA8xx (OMAP-L1x) Bus Glue
+ *
+ * Derived from: ohci-omap.c and ohci-s3c2410.c
+ * Copyright (C) 2008-2009 MontaVista Software, Inc. <source@mvista.com>
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2. This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+
+#include <linux/interrupt.h>
+#include <linux/jiffies.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+
+#include <mach/da8xx.h>
+#include <mach/usb.h>
+
+#ifndef CONFIG_ARCH_DAVINCI_DA8XX
+#error "This file is DA8xx bus glue.  Define CONFIG_ARCH_DAVINCI_DA8XX."
+#endif
+
+#define CFGCHIP2	DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP2_REG)
+
+static struct clk *usb11_clk;
+static struct clk *usb20_clk;
+
+/* Over-current indicator change bitmask */
+static volatile u16 ocic_mask;
+
+static void ohci_da8xx_clock(int on)
+{
+	u32 cfgchip2;
+
+	cfgchip2 = __raw_readl(CFGCHIP2);
+	if (on) {
+		clk_enable(usb11_clk);
+
+		/*
+		 * If USB 1.1 reference clock is sourced from USB 2.0 PHY, we
+		 * need to enable the USB 2.0 module clocking, start its PHY,
+		 * and not allow it to stop the clock during USB 2.0 suspend.
+		 */
+		if (!(cfgchip2 & CFGCHIP2_USB1PHYCLKMUX)) {
+			clk_enable(usb20_clk);
+
+			cfgchip2 &= ~(CFGCHIP2_RESET | CFGCHIP2_PHYPWRDN);
+			cfgchip2 |= CFGCHIP2_PHY_PLLON;
+			__raw_writel(cfgchip2, CFGCHIP2);
+
+			pr_info("Waiting for USB PHY clock good...\n");
+			while (!(__raw_readl(CFGCHIP2) & CFGCHIP2_PHYCLKGD))
+				cpu_relax();
+		}
+
+		/* Enable USB 1.1 PHY */
+		cfgchip2 |= CFGCHIP2_USB1SUSPENDM;
+	} else {
+		clk_disable(usb11_clk);
+		if (!(cfgchip2 & CFGCHIP2_USB1PHYCLKMUX))
+			clk_disable(usb20_clk);
+
+		/* Disable USB 1.1 PHY */
+		cfgchip2 &= ~CFGCHIP2_USB1SUSPENDM;
+	}
+	__raw_writel(cfgchip2, CFGCHIP2);
+}
+
+/*
+ * Handle the port over-current indicator change.
+ */
+static void ohci_da8xx_ocic_handler(struct da8xx_ohci_root_hub *hub,
+				    unsigned port)
+{
+	ocic_mask |= 1 << port;
+
+	/* Once over-current is detected, the port needs to be powered down */
+	if (hub->get_oci(port) > 0)
+		hub->set_power(port, 0);
+}
+
+static int ohci_da8xx_init(struct usb_hcd *hcd)
+{
+	struct device *dev		= hcd->self.controller;
+	struct da8xx_ohci_root_hub *hub	= dev->platform_data;
+	struct ohci_hcd	*ohci		= hcd_to_ohci(hcd);
+	int result;
+	u32 rh_a;
+
+	dev_dbg(dev, "starting USB controller\n");
+
+	ohci_da8xx_clock(1);
+
+	/*
+	 * DA8xx only have 1 port connected to the pins but the HC root hub
+	 * register A reports 2 ports, thus we'll have to override it...
+	 */
+	ohci->num_ports = 1;
+
+	result = ohci_init(ohci);
+	if (result < 0)
+		return result;
+
+	/*
+	 * Since we're providing a board-specific root hub port power control
+	 * and over-current reporting, we have to override the HC root hub A
+	 * register's default value, so that ohci_hub_control() could return
+	 * the correct hub descriptor...
+	 */
+	rh_a = ohci_readl(ohci, &ohci->regs->roothub.a);
+	if (hub->set_power) {
+		rh_a &= ~RH_A_NPS;
+		rh_a |=  RH_A_PSM;
+	}
+	if (hub->get_oci) {
+		rh_a &= ~RH_A_NOCP;
+		rh_a |=  RH_A_OCPM;
+	}
+	rh_a &= ~RH_A_POTPGT;
+	rh_a |= hub->potpgt << 24;
+	ohci_writel(ohci, rh_a, &ohci->regs->roothub.a);
+
+	return result;
+}
+
+static void ohci_da8xx_stop(struct usb_hcd *hcd)
+{
+	ohci_stop(hcd);
+	ohci_da8xx_clock(0);
+}
+
+static int ohci_da8xx_start(struct usb_hcd *hcd)
+{
+	struct ohci_hcd	*ohci		= hcd_to_ohci(hcd);
+	int result;
+
+	result = ohci_run(ohci);
+	if (result < 0)
+		ohci_da8xx_stop(hcd);
+
+	return result;
+}
+
+/*
+ * Update the status data from the hub with the over-current indicator change.
+ */
+static int ohci_da8xx_hub_status_data(struct usb_hcd *hcd, char *buf)
+{
+	int length		= ohci_hub_status_data(hcd, buf);
+
+	/* See if we have OCIC bit set on port 1 */
+	if (ocic_mask & (1 << 1)) {
+		dev_dbg(hcd->self.controller, "over-current indicator change "
+			"on port 1\n");
+
+		if (!length)
+			length = 1;
+
+		buf[0] |= 1 << 1;
+	}
+	return length;
+}
+
+/*
+ * Look at the control requests to the root hub and see if we need to override.
+ */
+static int ohci_da8xx_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
+				  u16 wIndex, char *buf, u16 wLength)
+{
+	struct device *dev		= hcd->self.controller;
+	struct da8xx_ohci_root_hub *hub	= dev->platform_data;
+	int temp;
+
+	switch (typeReq) {
+	case GetPortStatus:
+		/* Check the port number */
+		if (wIndex != 1)
+			break;
+
+		dev_dbg(dev, "GetPortStatus(%u)\n", wIndex);
+
+		temp = roothub_portstatus(hcd_to_ohci(hcd), wIndex - 1);
+
+		/* The port power status (PPS) bit defaults to 1 */
+		if (hub->get_power && hub->get_power(wIndex) == 0)
+			temp &= ~RH_PS_PPS;
+
+		/* The port over-current indicator (POCI) bit is always 0 */
+		if (hub->get_oci && hub->get_oci(wIndex) > 0)
+			temp |=  RH_PS_POCI;
+
+		/* The over-current indicator change (OCIC) bit is 0 too */
+		if (ocic_mask & (1 << wIndex))
+			temp |=  RH_PS_OCIC;
+
+		put_unaligned(cpu_to_le32(temp), (__le32 *)buf);
+		return 0;
+	case SetPortFeature:
+		temp = 1;
+		goto check_port;
+	case ClearPortFeature:
+		temp = 0;
+
+check_port:
+		/* Check the port number */
+		if (wIndex != 1)
+			break;
+
+		switch (wValue) {
+		case USB_PORT_FEAT_POWER:
+			dev_dbg(dev, "%sPortFeature(%u): %s\n",
+				temp ? "Set" : "Clear", wIndex, "POWER");
+
+			if (!hub->set_power)
+				return -EPIPE;
+
+			return hub->set_power(wIndex, temp) ? -EPIPE : 0;
+		case USB_PORT_FEAT_C_OVER_CURRENT:
+			dev_dbg(dev, "%sPortFeature(%u): %s\n",
+				temp ? "Set" : "Clear", wIndex,
+				"C_OVER_CURRENT");
+
+			if (temp)
+				ocic_mask |= 1 << wIndex;
+			else
+				ocic_mask &= ~(1 << wIndex);
+			return 0;
+		}
+	}
+
+	return ohci_hub_control(hcd, typeReq, wValue, wIndex, buf, wLength);
+}
+
+static const struct hc_driver ohci_da8xx_hc_driver = {
+	.description		= hcd_name,
+	.product_desc		= "DA8xx OHCI",
+	.hcd_priv_size		= sizeof(struct ohci_hcd),
+
+	/*
+	 * generic hardware linkage
+	 */
+	.irq			= ohci_irq,
+	.flags			= HCD_USB11 | HCD_MEMORY,
+
+	/*
+	 * basic lifecycle operations
+	 */
+	.reset			= ohci_da8xx_init,
+	.start			= ohci_da8xx_start,
+	.stop			= ohci_da8xx_stop,
+	.shutdown		= ohci_shutdown,
+
+	/*
+	 * managing i/o requests and associated device resources
+	 */
+	.urb_enqueue		= ohci_urb_enqueue,
+	.urb_dequeue		= ohci_urb_dequeue,
+	.endpoint_disable	= ohci_endpoint_disable,
+
+	/*
+	 * scheduling support
+	 */
+	.get_frame_number	= ohci_get_frame,
+
+	/*
+	 * root hub support
+	 */
+	.hub_status_data	= ohci_da8xx_hub_status_data,
+	.hub_control		= ohci_da8xx_hub_control,
+
+#ifdef	CONFIG_PM
+	.bus_suspend		= ohci_bus_suspend,
+	.bus_resume		= ohci_bus_resume,
+#endif
+	.start_port_reset	= ohci_start_port_reset,
+};
+
+/*-------------------------------------------------------------------------*/
+
+
+/**
+ * usb_hcd_da8xx_probe - initialize DA8xx-based HCDs
+ * Context: !in_interrupt()
+ *
+ * Allocates basic resources for this USB host controller, and
+ * then invokes the start() method for the HCD associated with it
+ * through the hotplug entry's driver_data.
+ */
+static int usb_hcd_da8xx_probe(const struct hc_driver *driver,
+			       struct platform_device *pdev)
+{
+	struct da8xx_ohci_root_hub *hub	= pdev->dev.platform_data;
+	struct usb_hcd	*hcd;
+	struct resource *mem;
+	int error, irq;
+
+	if (hub == NULL)
+		return -ENODEV;
+
+	usb11_clk = clk_get(&pdev->dev, "usb11");
+	if (IS_ERR(usb11_clk))
+		return PTR_ERR(usb11_clk);
+
+	usb20_clk = clk_get(&pdev->dev, "usb20");
+	if (IS_ERR(usb20_clk)) {
+		error = PTR_ERR(usb20_clk);
+		goto err0;
+	}
+
+	hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
+	if (!hcd) {
+		error = -ENOMEM;
+		goto err1;
+	}
+
+	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!mem) {
+		error = -ENODEV;
+		goto err2;
+	}
+	hcd->rsrc_start = mem->start;
+	hcd->rsrc_len = mem->end - mem->start + 1;
+
+	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
+		dev_dbg(&pdev->dev, "request_mem_region failed\n");
+		error = -EBUSY;
+		goto err2;
+	}
+
+	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
+	if (!hcd->regs) {
+		dev_err(&pdev->dev, "ioremap failed\n");
+		error = -ENOMEM;
+		goto err3;
+	}
+
+	ohci_hcd_init(hcd_to_ohci(hcd));
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		error = -ENODEV;
+		goto err4;
+	}
+	error = usb_add_hcd(hcd, irq, IRQF_DISABLED);
+	if (error)
+		goto err4;
+
+	if (hub->ocic_notify) {
+		error = hub->ocic_notify(ohci_da8xx_ocic_handler);
+		if (!error)
+			return 0;
+	}
+
+	usb_remove_hcd(hcd);
+err4:
+	iounmap(hcd->regs);
+err3:
+	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+err2:
+	usb_put_hcd(hcd);
+err1:
+	clk_put(usb20_clk);
+err0:
+	clk_put(usb11_clk);
+	return error;
+}
+
+/**
+ * usb_hcd_da8xx_remove - shutdown processing for DA8xx-based HCDs
+ * @dev: USB Host Controller being removed
+ * Context: !in_interrupt()
+ *
+ * Reverses the effect of usb_hcd_da8xx_probe(), first invoking
+ * the HCD's stop() method.  It is always called from a thread
+ * context, normally "rmmod", "apmd", or something similar.
+ */
+static inline void
+usb_hcd_da8xx_remove(struct usb_hcd *hcd, struct platform_device *pdev)
+{
+	struct da8xx_ohci_root_hub *hub	= pdev->dev.platform_data;
+
+	hub->ocic_notify(NULL);
+	usb_remove_hcd(hcd);
+	iounmap(hcd->regs);
+	release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+	usb_put_hcd(hcd);
+	clk_put(usb20_clk);
+	clk_put(usb11_clk);
+}
+
+static int ohci_hcd_da8xx_drv_probe(struct platform_device *dev)
+{
+	return usb_hcd_da8xx_probe(&ohci_da8xx_hc_driver, dev);
+}
+
+static int ohci_hcd_da8xx_drv_remove(struct platform_device *dev)
+{
+	struct usb_hcd	*hcd = platform_get_drvdata(dev);
+
+	usb_hcd_da8xx_remove(hcd, dev);
+	platform_set_drvdata(dev, NULL);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int ohci_da8xx_suspend(struct platform_device *dev, pm_message_t message)
+{
+	struct usb_hcd	*hcd	= platform_get_drvdata(dev);
+	struct ohci_hcd	*ohci	= hcd_to_ohci(hcd);
+
+	if (time_before(jiffies, ohci->next_statechange))
+		msleep(5);
+	ohci->next_statechange = jiffies;
+
+	ohci_da8xx_clock(0);
+	hcd->state = HC_STATE_SUSPENDED;
+	dev->dev.power.power_state = PMSG_SUSPEND;
+	return 0;
+}
+
+static int ohci_da8xx_resume(struct platform_device *dev)
+{
+	struct usb_hcd	*hcd	= platform_get_drvdata(dev);
+	struct ohci_hcd	*ohci	= hcd_to_ohci(hcd);
+
+	if (time_before(jiffies, ohci->next_statechange))
+		msleep(5);
+	ohci->next_statechange = jiffies;
+
+	ohci_da8xx_clock(1);
+	dev->dev.power.power_state = PMSG_ON;
+	usb_hcd_resume_root_hub(hcd);
+	return 0;
+}
+#endif
+
+/*
+ * Driver definition to register with platform structure.
+ */
+static struct platform_driver ohci_hcd_da8xx_driver = {
+	.probe		= ohci_hcd_da8xx_drv_probe,
+	.remove		= ohci_hcd_da8xx_drv_remove,
+	.shutdown 	= usb_hcd_platform_shutdown,
+#ifdef	CONFIG_PM
+	.suspend	= ohci_da8xx_suspend,
+	.resume		= ohci_da8xx_resume,
+#endif
+	.driver		= {
+		.owner	= THIS_MODULE,
+		.name	= "ohci",
+	},
+};
diff --git a/drivers/usb/host/ohci-dbg.c b/drivers/usb/host/ohci-dbg.c
index 811f5dfdc582..8ad2441b0284 100644
--- a/drivers/usb/host/ohci-dbg.c
+++ b/drivers/usb/host/ohci-dbg.c
@@ -53,13 +53,13 @@ urb_print(struct urb * urb, char * str, int small, int status)
 		int i, len;
 
 		if (usb_pipecontrol (pipe)) {
-			printk (KERN_DEBUG __FILE__ ": setup(8):");
+			printk (KERN_DEBUG "%s: setup(8):", __FILE__);
 			for (i = 0; i < 8 ; i++)
 				printk (" %02x", ((__u8 *) urb->setup_packet) [i]);
 			printk ("\n");
 		}
 		if (urb->transfer_buffer_length > 0 && urb->transfer_buffer) {
-			printk (KERN_DEBUG __FILE__ ": data(%d/%d):",
+			printk (KERN_DEBUG "%s: data(%d/%d):", __FILE__,
 				urb->actual_length,
 				urb->transfer_buffer_length);
 			len = usb_pipeout (pipe)?
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 24eb74781919..afe59be23645 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -1051,6 +1051,11 @@ MODULE_LICENSE ("GPL");
 #define PLATFORM_DRIVER		usb_hcd_pnx4008_driver
 #endif
 
+#ifdef CONFIG_ARCH_DAVINCI_DA8XX
+#include "ohci-da8xx.c"
+#define PLATFORM_DRIVER		ohci_hcd_da8xx_driver
+#endif
+
 #if defined(CONFIG_CPU_SUBTYPE_SH7720) || \
     defined(CONFIG_CPU_SUBTYPE_SH7721) || \
     defined(CONFIG_CPU_SUBTYPE_SH7763) || \
diff --git a/drivers/usb/host/ohci-lh7a404.c b/drivers/usb/host/ohci-lh7a404.c
index de42283149c7..18d39f0463ee 100644
--- a/drivers/usb/host/ohci-lh7a404.c
+++ b/drivers/usb/host/ohci-lh7a404.c
@@ -28,8 +28,8 @@ extern int usb_disabled(void);
 
 static void lh7a404_start_hc(struct platform_device *dev)
 {
-	printk(KERN_DEBUG __FILE__
-	       ": starting LH7A404 OHCI USB Controller\n");
+	printk(KERN_DEBUG "%s: starting LH7A404 OHCI USB Controller\n",
+	       __FILE__);
 
 	/*
 	 * Now, carefully enable the USB clock, and take
@@ -39,14 +39,13 @@ static void lh7a404_start_hc(struct platform_device *dev)
 	udelay(1000);
 	USBH_CMDSTATUS = OHCI_HCR;
 
-	printk(KERN_DEBUG __FILE__
-		   ": Clock to USB host has been enabled \n");
+	printk(KERN_DEBUG "%s: Clock to USB host has been enabled \n", __FILE__);
 }
 
 static void lh7a404_stop_hc(struct platform_device *dev)
 {
-	printk(KERN_DEBUG __FILE__
-	       ": stopping LH7A404 OHCI USB Controller\n");
+	printk(KERN_DEBUG "%s: stopping LH7A404 OHCI USB Controller\n",
+	       __FILE__);
 
 	CSC_PWRCNT &= ~CSC_PWRCNT_USBH_EN; /* Disable clock */
 }
diff --git a/drivers/usb/host/ohci-pnx4008.c b/drivers/usb/host/ohci-pnx4008.c
index 2769326da42e..cd74bbdd007c 100644
--- a/drivers/usb/host/ohci-pnx4008.c
+++ b/drivers/usb/host/ohci-pnx4008.c
@@ -327,7 +327,7 @@ static int __devinit usb_hcd_pnx4008_probe(struct platform_device *pdev)
 	}
 	i2c_adap = i2c_get_adapter(2);
 	memset(&i2c_info, 0, sizeof(struct i2c_board_info));
-	strlcpy(i2c_info.name, "isp1301_pnx", I2C_NAME_SIZE);
+	strlcpy(i2c_info.type, "isp1301_pnx", I2C_NAME_SIZE);
 	isp1301_i2c_client = i2c_new_probed_device(i2c_adap, &i2c_info,
 						   normal_i2c);
 	i2c_put_adapter(i2c_adap);
@@ -411,7 +411,7 @@ out3:
 out2:
 	clk_put(usb_clk);
 out1:
-	i2c_unregister_client(isp1301_i2c_client);
+	i2c_unregister_device(isp1301_i2c_client);
 	isp1301_i2c_client = NULL;
 out_i2c_driver:
 	i2c_del_driver(&isp1301_driver);
@@ -430,7 +430,7 @@ static int usb_hcd_pnx4008_remove(struct platform_device *pdev)
 	pnx4008_unset_usb_bits();
 	clk_disable(usb_clk);
 	clk_put(usb_clk);
-	i2c_unregister_client(isp1301_i2c_client);
+	i2c_unregister_device(isp1301_i2c_client);
 	isp1301_i2c_client = NULL;
 	i2c_del_driver(&isp1301_driver);
 
diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c
index 68a301710297..103263c230cf 100644
--- a/drivers/usb/host/ohci-ppc-of.c
+++ b/drivers/usb/host/ohci-ppc-of.c
@@ -114,21 +114,21 @@ ohci_hcd_ppc_of_probe(struct of_device *op, const struct of_device_id *match)
 	hcd->rsrc_len = res.end - res.start + 1;
 
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
-		printk(KERN_ERR __FILE__ ": request_mem_region failed\n");
+		printk(KERN_ERR "%s: request_mem_region failed\n", __FILE__);
 		rv = -EBUSY;
 		goto err_rmr;
 	}
 
 	irq = irq_of_parse_and_map(dn, 0);
 	if (irq == NO_IRQ) {
-		printk(KERN_ERR __FILE__ ": irq_of_parse_and_map failed\n");
+		printk(KERN_ERR "%s: irq_of_parse_and_map failed\n", __FILE__);
 		rv = -EBUSY;
 		goto err_irq;
 	}
 
 	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
 	if (!hcd->regs) {
-		printk(KERN_ERR __FILE__ ": ioremap failed\n");
+		printk(KERN_ERR "%s: ioremap failed\n", __FILE__);
 		rv = -ENOMEM;
 		goto err_ioremap;
 	}
@@ -169,7 +169,7 @@ ohci_hcd_ppc_of_probe(struct of_device *op, const struct of_device_id *match)
 			} else
 				release_mem_region(res.start, 0x4);
 		} else
-		    pr_debug(__FILE__ ": cannot get ehci offset from fdt\n");
+			pr_debug("%s: cannot get ehci offset from fdt\n", __FILE__);
 	}
 
 	iounmap(hcd->regs);
@@ -212,7 +212,7 @@ static int ohci_hcd_ppc_of_shutdown(struct of_device *op)
 }
 
 
-static struct of_device_id ohci_hcd_ppc_of_match[] = {
+static const struct of_device_id ohci_hcd_ppc_of_match[] = {
 #ifdef CONFIG_USB_OHCI_HCD_PPC_OF_BE
 	{
 		.name = "usb",
diff --git a/drivers/usb/host/ohci-ppc-soc.c b/drivers/usb/host/ohci-ppc-soc.c
index cd3398b675b2..89e670e38c10 100644
--- a/drivers/usb/host/ohci-ppc-soc.c
+++ b/drivers/usb/host/ohci-ppc-soc.c
@@ -41,14 +41,14 @@ static int usb_hcd_ppc_soc_probe(const struct hc_driver *driver,
 
 	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	if (!res) {
-		pr_debug(__FILE__ ": no irq\n");
+		pr_debug("%s: no irq\n", __FILE__);
 		return -ENODEV;
 	}
 	irq = res->start;
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	if (!res) {
-		pr_debug(__FILE__ ": no reg addr\n");
+		pr_debug("%s: no reg addr\n", __FILE__);
 		return -ENODEV;
 	}
 
@@ -59,14 +59,14 @@ static int usb_hcd_ppc_soc_probe(const struct hc_driver *driver,
 	hcd->rsrc_len = res->end - res->start + 1;
 
 	if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
-		pr_debug(__FILE__ ": request_mem_region failed\n");
+		pr_debug("%s: request_mem_region failed\n", __FILE__);
 		retval = -EBUSY;
 		goto err1;
 	}
 
 	hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len);
 	if (!hcd->regs) {
-		pr_debug(__FILE__ ": ioremap failed\n");
+		pr_debug("%s: ioremap failed\n", __FILE__);
 		retval = -ENOMEM;
 		goto err2;
 	}
diff --git a/drivers/usb/host/ohci-sa1111.c b/drivers/usb/host/ohci-sa1111.c
index e4bbe8e188e4..d8eb3bdafabb 100644
--- a/drivers/usb/host/ohci-sa1111.c
+++ b/drivers/usb/host/ohci-sa1111.c
@@ -31,8 +31,8 @@ static void sa1111_start_hc(struct sa1111_dev *dev)
 {
 	unsigned int usb_rst = 0;
 
-	printk(KERN_DEBUG __FILE__
-	       ": starting SA-1111 OHCI USB Controller\n");
+	printk(KERN_DEBUG "%s: starting SA-1111 OHCI USB Controller\n",
+	       __FILE__);
 
 #ifdef CONFIG_SA1100_BADGE4
 	if (machine_is_badge4()) {
@@ -65,8 +65,8 @@ static void sa1111_start_hc(struct sa1111_dev *dev)
 static void sa1111_stop_hc(struct sa1111_dev *dev)
 {
 	unsigned int usb_rst;
-	printk(KERN_DEBUG __FILE__
-	       ": stopping SA-1111 OHCI USB Controller\n");
+	printk(KERN_DEBUG "%s: stopping SA-1111 OHCI USB Controller\n",
+	       __FILE__);
 
 	/*
 	 * Put the USB host controller into reset.
diff --git a/drivers/usb/host/r8a66597-hcd.c b/drivers/usb/host/r8a66597-hcd.c
index bee558aed427..f71a73a93d0c 100644
--- a/drivers/usb/host/r8a66597-hcd.c
+++ b/drivers/usb/host/r8a66597-hcd.c
@@ -418,7 +418,7 @@ static u8 alloc_usb_address(struct r8a66597 *r8a66597, struct urb *urb)
 
 /* this function must be called with interrupt disabled */
 static void free_usb_address(struct r8a66597 *r8a66597,
-			     struct r8a66597_device *dev)
+			     struct r8a66597_device *dev, int reset)
 {
 	int port;
 
@@ -430,7 +430,13 @@ static void free_usb_address(struct r8a66597 *r8a66597,
 	dev->state = USB_STATE_DEFAULT;
 	r8a66597->address_map &= ~(1 << dev->address);
 	dev->address = 0;
-	dev_set_drvdata(&dev->udev->dev, NULL);
+	/*
+	 * Only when resetting USB, it is necessary to erase drvdata. When
+	 * a usb device with usb hub is disconnect, "dev->udev" is already
+	 * freed on usb_desconnect(). So we cannot access the data.
+	 */
+	if (reset)
+		dev_set_drvdata(&dev->udev->dev, NULL);
 	list_del(&dev->device_list);
 	kfree(dev);
 
@@ -1069,7 +1075,7 @@ static void r8a66597_usb_disconnect(struct r8a66597 *r8a66597, int port)
 	struct r8a66597_device *dev = r8a66597->root_hub[port].dev;
 
 	disable_r8a66597_pipe_all(r8a66597, dev);
-	free_usb_address(r8a66597, dev);
+	free_usb_address(r8a66597, dev, 0);
 
 	start_root_hub_sampling(r8a66597, port, 0);
 }
@@ -2085,7 +2091,7 @@ static void update_usb_address_map(struct r8a66597 *r8a66597,
 				spin_lock_irqsave(&r8a66597->lock, flags);
 				dev = get_r8a66597_device(r8a66597, addr);
 				disable_r8a66597_pipe_all(r8a66597, dev);
-				free_usb_address(r8a66597, dev);
+				free_usb_address(r8a66597, dev, 0);
 				put_child_connect_map(r8a66597, addr);
 				spin_unlock_irqrestore(&r8a66597->lock, flags);
 			}
@@ -2228,7 +2234,7 @@ static int r8a66597_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 			rh->port |= (1 << USB_PORT_FEAT_RESET);
 
 			disable_r8a66597_pipe_all(r8a66597, dev);
-			free_usb_address(r8a66597, dev);
+			free_usb_address(r8a66597, dev, 1);
 
 			r8a66597_mdfy(r8a66597, USBRST, USBRST | UACT,
 				      get_dvstctr_reg(port));
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index 5b22a4d1c9e4..e11cc3aa4b82 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -51,6 +51,7 @@
 #include <asm/irq.h>
 #include <asm/system.h>
 #include <asm/byteorder.h>
+#include <asm/unaligned.h>
 
 #include "../core/hcd.h"
 #include "sl811.h"
@@ -1272,12 +1273,12 @@ sl811h_hub_control(
 		sl811h_hub_descriptor(sl811, (struct usb_hub_descriptor *) buf);
 		break;
 	case GetHubStatus:
-		*(__le32 *) buf = cpu_to_le32(0);
+		put_unaligned_le32(0, buf);
 		break;
 	case GetPortStatus:
 		if (wIndex != 1)
 			goto error;
-		*(__le32 *) buf = cpu_to_le32(sl811->port1);
+		put_unaligned_le32(sl811->port1, buf);
 
 #ifndef	VERBOSE
 	if (*(u16*)(buf+2))	/* only if wPortChange is interesting */
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 99cd00fd3514..09197067fe6b 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -735,6 +735,7 @@ static void uhci_stop(struct usb_hcd *hcd)
 		uhci_hc_died(uhci);
 	uhci_scan_schedule(uhci);
 	spin_unlock_irq(&uhci->lock);
+	synchronize_irq(hcd->irq);
 
 	del_timer_sync(&uhci->fsbr_timer);
 	release_uhci(uhci);
diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c
index 33128d52f212..105fa8b025bb 100644
--- a/drivers/usb/host/xhci-dbg.c
+++ b/drivers/usb/host/xhci-dbg.c
@@ -406,6 +406,25 @@ static void dbg_rsvd64(struct xhci_hcd *xhci, u64 *ctx, dma_addr_t dma)
 	}
 }
 
+char *xhci_get_slot_state(struct xhci_hcd *xhci,
+		struct xhci_container_ctx *ctx)
+{
+	struct xhci_slot_ctx *slot_ctx = xhci_get_slot_ctx(xhci, ctx);
+
+	switch (GET_SLOT_STATE(slot_ctx->dev_state)) {
+	case 0:
+		return "enabled/disabled";
+	case 1:
+		return "default";
+	case 2:
+		return "addressed";
+	case 3:
+		return "configured";
+	default:
+		return "reserved";
+	}
+}
+
 void xhci_dbg_slot_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx)
 {
 	/* Fields are 32 bits wide, DMA addresses are in bytes */
diff --git a/drivers/usb/host/xhci-ext-caps.h b/drivers/usb/host/xhci-ext-caps.h
index ecc131c3fe33..78c4edac1db1 100644
--- a/drivers/usb/host/xhci-ext-caps.h
+++ b/drivers/usb/host/xhci-ext-caps.h
@@ -101,12 +101,15 @@ static inline int xhci_find_next_cap_offset(void __iomem *base, int ext_offset)
 
 	next = readl(base + ext_offset);
 
-	if (ext_offset == XHCI_HCC_PARAMS_OFFSET)
+	if (ext_offset == XHCI_HCC_PARAMS_OFFSET) {
 		/* Find the first extended capability */
 		next = XHCI_HCC_EXT_CAPS(next);
-	else
+		ext_offset = 0;
+	} else {
 		/* Find the next extended capability */
 		next = XHCI_EXT_CAPS_NEXT(next);
+	}
+
 	if (!next)
 		return 0;
 	/*
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index eac5b53aa9e7..208b805b80eb 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -129,6 +129,50 @@ static u32 xhci_port_state_to_neutral(u32 state)
 	return (state & XHCI_PORT_RO) | (state & XHCI_PORT_RWS);
 }
 
+static void xhci_disable_port(struct xhci_hcd *xhci, u16 wIndex,
+		u32 __iomem *addr, u32 port_status)
+{
+	/* Write 1 to disable the port */
+	xhci_writel(xhci, port_status | PORT_PE, addr);
+	port_status = xhci_readl(xhci, addr);
+	xhci_dbg(xhci, "disable port, actual port %d status  = 0x%x\n",
+			wIndex, port_status);
+}
+
+static void xhci_clear_port_change_bit(struct xhci_hcd *xhci, u16 wValue,
+		u16 wIndex, u32 __iomem *addr, u32 port_status)
+{
+	char *port_change_bit;
+	u32 status;
+
+	switch (wValue) {
+	case USB_PORT_FEAT_C_RESET:
+		status = PORT_RC;
+		port_change_bit = "reset";
+		break;
+	case USB_PORT_FEAT_C_CONNECTION:
+		status = PORT_CSC;
+		port_change_bit = "connect";
+		break;
+	case USB_PORT_FEAT_C_OVER_CURRENT:
+		status = PORT_OCC;
+		port_change_bit = "over-current";
+		break;
+	case USB_PORT_FEAT_C_ENABLE:
+		status = PORT_PEC;
+		port_change_bit = "enable/disable";
+		break;
+	default:
+		/* Should never happen */
+		return;
+	}
+	/* Change bits are all write 1 to clear */
+	xhci_writel(xhci, port_status | status, addr);
+	port_status = xhci_readl(xhci, addr);
+	xhci_dbg(xhci, "clear port %s change, actual port %d status  = 0x%x\n",
+			port_change_bit, wIndex, port_status);
+}
+
 int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 		u16 wIndex, char *buf, u16 wLength)
 {
@@ -138,7 +182,6 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 	u32 temp, status;
 	int retval = 0;
 	u32 __iomem *addr;
-	char *port_change_bit;
 
 	ports = HCS_MAX_PORTS(xhci->hcs_params1);
 
@@ -229,26 +272,18 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 		temp = xhci_port_state_to_neutral(temp);
 		switch (wValue) {
 		case USB_PORT_FEAT_C_RESET:
-			status = PORT_RC;
-			port_change_bit = "reset";
-			break;
 		case USB_PORT_FEAT_C_CONNECTION:
-			status = PORT_CSC;
-			port_change_bit = "connect";
-			break;
 		case USB_PORT_FEAT_C_OVER_CURRENT:
-			status = PORT_OCC;
-			port_change_bit = "over-current";
+		case USB_PORT_FEAT_C_ENABLE:
+			xhci_clear_port_change_bit(xhci, wValue, wIndex,
+					addr, temp);
+			break;
+		case USB_PORT_FEAT_ENABLE:
+			xhci_disable_port(xhci, wIndex, addr, temp);
 			break;
 		default:
 			goto error;
 		}
-		/* Change bits are all write 1 to clear */
-		xhci_writel(xhci, temp | status, addr);
-		temp = xhci_readl(xhci, addr);
-		xhci_dbg(xhci, "clear port %s change, actual port %d status  = 0x%x\n",
-				port_change_bit, wIndex, temp);
-		temp = xhci_readl(xhci, addr); /* unblock any posted writes */
 		break;
 	default:
 error:
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index bffcef7a5545..bba9b19ed1b9 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -198,6 +198,31 @@ fail:
 	return 0;
 }
 
+void xhci_free_or_cache_endpoint_ring(struct xhci_hcd *xhci,
+		struct xhci_virt_device *virt_dev,
+		unsigned int ep_index)
+{
+	int rings_cached;
+
+	rings_cached = virt_dev->num_rings_cached;
+	if (rings_cached < XHCI_MAX_RINGS_CACHED) {
+		virt_dev->num_rings_cached++;
+		rings_cached = virt_dev->num_rings_cached;
+		virt_dev->ring_cache[rings_cached] =
+			virt_dev->eps[ep_index].ring;
+		xhci_dbg(xhci, "Cached old ring, "
+				"%d ring%s cached\n",
+				rings_cached,
+				(rings_cached > 1) ? "s" : "");
+	} else {
+		xhci_ring_free(xhci, virt_dev->eps[ep_index].ring);
+		xhci_dbg(xhci, "Ring cache full (%d rings), "
+				"freeing ring\n",
+				virt_dev->num_rings_cached);
+	}
+	virt_dev->eps[ep_index].ring = NULL;
+}
+
 /* Zero an endpoint ring (except for link TRBs) and move the enqueue and dequeue
  * pointers to the beginning of the ring.
  */
@@ -242,6 +267,8 @@ struct xhci_container_ctx *xhci_alloc_container_ctx(struct xhci_hcd *xhci,
 void xhci_free_container_ctx(struct xhci_hcd *xhci,
 			     struct xhci_container_ctx *ctx)
 {
+	if (!ctx)
+		return;
 	dma_pool_free(xhci->device_pool, ctx->bytes, ctx->dma);
 	kfree(ctx);
 }
@@ -427,7 +454,7 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
 	case USB_SPEED_LOW:
 		slot_ctx->dev_info |= (u32) SLOT_SPEED_LS;
 		break;
-	case USB_SPEED_VARIABLE:
+	case USB_SPEED_WIRELESS:
 		xhci_dbg(xhci, "FIXME xHCI doesn't support wireless speeds\n");
 		return -EINVAL;
 		break;
@@ -471,7 +498,7 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
 	case USB_SPEED_LOW:
 		ep0_ctx->ep_info2 |= MAX_PACKET(8);
 		break;
-	case USB_SPEED_VARIABLE:
+	case USB_SPEED_WIRELESS:
 		xhci_dbg(xhci, "FIXME xHCI doesn't support wireless speeds\n");
 		return -EINVAL;
 		break;
@@ -539,8 +566,13 @@ static inline unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
 			if (interval < 3)
 				interval = 3;
 			if ((1 << interval) != 8*ep->desc.bInterval)
-				dev_warn(&udev->dev, "ep %#x - rounding interval to %d microframes\n",
-						ep->desc.bEndpointAddress, 1 << interval);
+				dev_warn(&udev->dev,
+						"ep %#x - rounding interval"
+						" to %d microframes, "
+						"ep desc says %d microframes\n",
+						ep->desc.bEndpointAddress,
+						1 << interval,
+						8*ep->desc.bInterval);
 		}
 		break;
 	default:
@@ -819,7 +851,8 @@ static void scratchpad_free(struct xhci_hcd *xhci)
 }
 
 struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci,
-		bool allocate_completion, gfp_t mem_flags)
+		bool allocate_in_ctx, bool allocate_completion,
+		gfp_t mem_flags)
 {
 	struct xhci_command *command;
 
@@ -827,11 +860,14 @@ struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci,
 	if (!command)
 		return NULL;
 
-	command->in_ctx =
-		xhci_alloc_container_ctx(xhci, XHCI_CTX_TYPE_INPUT, mem_flags);
-	if (!command->in_ctx) {
-		kfree(command);
-		return NULL;
+	if (allocate_in_ctx) {
+		command->in_ctx =
+			xhci_alloc_container_ctx(xhci, XHCI_CTX_TYPE_INPUT,
+					mem_flags);
+		if (!command->in_ctx) {
+			kfree(command);
+			return NULL;
+		}
 	}
 
 	if (allocate_completion) {
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index e097008d6fb1..417d37aff8d7 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -139,6 +139,7 @@ static const struct hc_driver xhci_pci_hc_driver = {
 	.reset_bandwidth =	xhci_reset_bandwidth,
 	.address_device =	xhci_address_device,
 	.update_hub_device =	xhci_update_hub_device,
+	.reset_device =		xhci_reset_device,
 
 	/*
 	 * scheduling support
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index ee7bc7ecbc59..6ba841bca4a2 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -953,6 +953,17 @@ bandwidth_change:
 	case TRB_TYPE(TRB_RESET_EP):
 		handle_reset_ep_completion(xhci, event, xhci->cmd_ring->dequeue);
 		break;
+	case TRB_TYPE(TRB_RESET_DEV):
+		xhci_dbg(xhci, "Completed reset device command.\n");
+		slot_id = TRB_TO_SLOT_ID(
+				xhci->cmd_ring->dequeue->generic.field[3]);
+		virt_dev = xhci->devs[slot_id];
+		if (virt_dev)
+			handle_cmd_in_cmd_wait_list(xhci, virt_dev, event);
+		else
+			xhci_warn(xhci, "Reset device command completion "
+					"for disabled slot %u\n", slot_id);
+		break;
 	default:
 		/* Skip over unknown commands on the event ring */
 		xhci->error_bitmask |= 1 << 6;
@@ -1080,6 +1091,20 @@ static int xhci_requires_manual_halt_cleanup(struct xhci_hcd *xhci,
 	return 0;
 }
 
+int xhci_is_vendor_info_code(struct xhci_hcd *xhci, unsigned int trb_comp_code)
+{
+	if (trb_comp_code >= 224 && trb_comp_code <= 255) {
+		/* Vendor defined "informational" completion code,
+		 * treat as not-an-error.
+		 */
+		xhci_dbg(xhci, "Vendor defined info completion code %u\n",
+				trb_comp_code);
+		xhci_dbg(xhci, "Treating code as success.\n");
+		return 1;
+	}
+	return 0;
+}
+
 /*
  * If this function returns an error condition, it means it got a Transfer
  * event with a corrupted Slot ID, Endpoint ID, or TRB DMA address.
@@ -1196,13 +1221,7 @@ static int handle_tx_event(struct xhci_hcd *xhci,
 		status = -ENOSR;
 		break;
 	default:
-		if (trb_comp_code >= 224 && trb_comp_code <= 255) {
-			/* Vendor defined "informational" completion code,
-			 * treat as not-an-error.
-			 */
-			xhci_dbg(xhci, "Vendor defined info completion code %u\n",
-					trb_comp_code);
-			xhci_dbg(xhci, "Treating code as success.\n");
+		if (xhci_is_vendor_info_code(xhci, trb_comp_code)) {
 			status = 0;
 			break;
 		}
@@ -2181,6 +2200,14 @@ int xhci_queue_address_device(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr,
 			false);
 }
 
+/* Queue a reset device command TRB */
+int xhci_queue_reset_device(struct xhci_hcd *xhci, u32 slot_id)
+{
+	return queue_command(xhci, 0, 0, 0,
+			TRB_TYPE(TRB_RESET_DEV) | SLOT_ID_FOR_TRB(slot_id),
+			false);
+}
+
 /* Queue a configure endpoint command TRB */
 int xhci_queue_configure_endpoint(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr,
 		u32 slot_id, bool command_must_succeed)
diff --git a/drivers/usb/host/xhci-hcd.c b/drivers/usb/host/xhci.c
index 5e92c72df642..492a61c2c79d 100644
--- a/drivers/usb/host/xhci-hcd.c
+++ b/drivers/usb/host/xhci.c
@@ -1007,7 +1007,7 @@ int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev,
 	 * for usb_set_interface() and usb_set_configuration() claim).
 	 */
 	if (xhci_endpoint_init(xhci, xhci->devs[udev->slot_id],
-				udev, ep, GFP_KERNEL) < 0) {
+				udev, ep, GFP_NOIO) < 0) {
 		dev_dbg(&udev->dev, "%s - could not initialize ep %#x\n",
 				__func__, ep->desc.bEndpointAddress);
 		return -ENOMEM;
@@ -1173,6 +1173,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
 		cmd_completion = &virt_dev->cmd_completion;
 		cmd_status = &virt_dev->cmd_status;
 	}
+	init_completion(cmd_completion);
 
 	if (!ctx_change)
 		ret = xhci_queue_configure_endpoint(xhci, in_ctx->dma,
@@ -1181,6 +1182,8 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
 		ret = xhci_queue_evaluate_context(xhci, in_ctx->dma,
 				udev->slot_id);
 	if (ret < 0) {
+		if (command)
+			list_del(&command->cmd_list);
 		spin_unlock_irqrestore(&xhci->lock, flags);
 		xhci_dbg(xhci, "FIXME allocate a new ring segment\n");
 		return -ENOMEM;
@@ -1264,30 +1267,13 @@ int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev)
 	xhci_zero_in_ctx(xhci, virt_dev);
 	/* Install new rings and free or cache any old rings */
 	for (i = 1; i < 31; ++i) {
-		int rings_cached;
-
 		if (!virt_dev->eps[i].new_ring)
 			continue;
 		/* Only cache or free the old ring if it exists.
 		 * It may not if this is the first add of an endpoint.
 		 */
 		if (virt_dev->eps[i].ring) {
-			rings_cached = virt_dev->num_rings_cached;
-			if (rings_cached < XHCI_MAX_RINGS_CACHED) {
-				virt_dev->num_rings_cached++;
-				rings_cached = virt_dev->num_rings_cached;
-				virt_dev->ring_cache[rings_cached] =
-					virt_dev->eps[i].ring;
-				xhci_dbg(xhci, "Cached old ring, "
-						"%d ring%s cached\n",
-						rings_cached,
-						(rings_cached > 1) ? "s" : "");
-			} else {
-				xhci_ring_free(xhci, virt_dev->eps[i].ring);
-				xhci_dbg(xhci, "Ring cache full (%d rings), "
-						"freeing ring\n",
-						virt_dev->num_rings_cached);
-			}
+			xhci_free_or_cache_endpoint_ring(xhci, virt_dev, i);
 		}
 		virt_dev->eps[i].ring = virt_dev->eps[i].new_ring;
 		virt_dev->eps[i].new_ring = NULL;
@@ -1458,6 +1444,131 @@ void xhci_endpoint_reset(struct usb_hcd *hcd,
 }
 
 /*
+ * This submits a Reset Device Command, which will set the device state to 0,
+ * set the device address to 0, and disable all the endpoints except the default
+ * control endpoint.  The USB core should come back and call
+ * xhci_address_device(), and then re-set up the configuration.  If this is
+ * called because of a usb_reset_and_verify_device(), then the old alternate
+ * settings will be re-installed through the normal bandwidth allocation
+ * functions.
+ *
+ * Wait for the Reset Device command to finish.  Remove all structures
+ * associated with the endpoints that were disabled.  Clear the input device
+ * structure?  Cache the rings?  Reset the control endpoint 0 max packet size?
+ */
+int xhci_reset_device(struct usb_hcd *hcd, struct usb_device *udev)
+{
+	int ret, i;
+	unsigned long flags;
+	struct xhci_hcd *xhci;
+	unsigned int slot_id;
+	struct xhci_virt_device *virt_dev;
+	struct xhci_command *reset_device_cmd;
+	int timeleft;
+	int last_freed_endpoint;
+
+	ret = xhci_check_args(hcd, udev, NULL, 0, __func__);
+	if (ret <= 0)
+		return ret;
+	xhci = hcd_to_xhci(hcd);
+	slot_id = udev->slot_id;
+	virt_dev = xhci->devs[slot_id];
+	if (!virt_dev) {
+		xhci_dbg(xhci, "%s called with invalid slot ID %u\n",
+				__func__, slot_id);
+		return -EINVAL;
+	}
+
+	xhci_dbg(xhci, "Resetting device with slot ID %u\n", slot_id);
+	/* Allocate the command structure that holds the struct completion.
+	 * Assume we're in process context, since the normal device reset
+	 * process has to wait for the device anyway.  Storage devices are
+	 * reset as part of error handling, so use GFP_NOIO instead of
+	 * GFP_KERNEL.
+	 */
+	reset_device_cmd = xhci_alloc_command(xhci, false, true, GFP_NOIO);
+	if (!reset_device_cmd) {
+		xhci_dbg(xhci, "Couldn't allocate command structure.\n");
+		return -ENOMEM;
+	}
+
+	/* Attempt to submit the Reset Device command to the command ring */
+	spin_lock_irqsave(&xhci->lock, flags);
+	reset_device_cmd->command_trb = xhci->cmd_ring->enqueue;
+	list_add_tail(&reset_device_cmd->cmd_list, &virt_dev->cmd_list);
+	ret = xhci_queue_reset_device(xhci, slot_id);
+	if (ret) {
+		xhci_dbg(xhci, "FIXME: allocate a command ring segment\n");
+		list_del(&reset_device_cmd->cmd_list);
+		spin_unlock_irqrestore(&xhci->lock, flags);
+		goto command_cleanup;
+	}
+	xhci_ring_cmd_db(xhci);
+	spin_unlock_irqrestore(&xhci->lock, flags);
+
+	/* Wait for the Reset Device command to finish */
+	timeleft = wait_for_completion_interruptible_timeout(
+			reset_device_cmd->completion,
+			USB_CTRL_SET_TIMEOUT);
+	if (timeleft <= 0) {
+		xhci_warn(xhci, "%s while waiting for reset device command\n",
+				timeleft == 0 ? "Timeout" : "Signal");
+		spin_lock_irqsave(&xhci->lock, flags);
+		/* The timeout might have raced with the event ring handler, so
+		 * only delete from the list if the item isn't poisoned.
+		 */
+		if (reset_device_cmd->cmd_list.next != LIST_POISON1)
+			list_del(&reset_device_cmd->cmd_list);
+		spin_unlock_irqrestore(&xhci->lock, flags);
+		ret = -ETIME;
+		goto command_cleanup;
+	}
+
+	/* The Reset Device command can't fail, according to the 0.95/0.96 spec,
+	 * unless we tried to reset a slot ID that wasn't enabled,
+	 * or the device wasn't in the addressed or configured state.
+	 */
+	ret = reset_device_cmd->status;
+	switch (ret) {
+	case COMP_EBADSLT: /* 0.95 completion code for bad slot ID */
+	case COMP_CTX_STATE: /* 0.96 completion code for same thing */
+		xhci_info(xhci, "Can't reset device (slot ID %u) in %s state\n",
+				slot_id,
+				xhci_get_slot_state(xhci, virt_dev->out_ctx));
+		xhci_info(xhci, "Not freeing device rings.\n");
+		/* Don't treat this as an error.  May change my mind later. */
+		ret = 0;
+		goto command_cleanup;
+	case COMP_SUCCESS:
+		xhci_dbg(xhci, "Successful reset device command.\n");
+		break;
+	default:
+		if (xhci_is_vendor_info_code(xhci, ret))
+			break;
+		xhci_warn(xhci, "Unknown completion code %u for "
+				"reset device command.\n", ret);
+		ret = -EINVAL;
+		goto command_cleanup;
+	}
+
+	/* Everything but endpoint 0 is disabled, so free or cache the rings. */
+	last_freed_endpoint = 1;
+	for (i = 1; i < 31; ++i) {
+		if (!virt_dev->eps[i].ring)
+			continue;
+		xhci_free_or_cache_endpoint_ring(xhci, virt_dev, i);
+		last_freed_endpoint = i;
+	}
+	xhci_dbg(xhci, "Output context after successful reset device cmd:\n");
+	xhci_dbg_ctx(xhci, virt_dev->out_ctx, last_freed_endpoint);
+	ret = 0;
+
+command_cleanup:
+	xhci_free_command(xhci, reset_device_cmd);
+	return ret;
+}
+
+/*
  * At this point, the struct usb_device is about to go away, the device has
  * disconnected, and all traffic has been stopped and the endpoints have been
  * disabled.  Free any HC data structures associated with that device.
@@ -1694,7 +1805,7 @@ int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev,
 		xhci_warn(xhci, "Cannot update hub desc for unknown device.\n");
 		return -EINVAL;
 	}
-	config_cmd = xhci_alloc_command(xhci, true, mem_flags);
+	config_cmd = xhci_alloc_command(xhci, true, true, mem_flags);
 	if (!config_cmd) {
 		xhci_dbg(xhci, "Could not allocate xHCI command structure.\n");
 		return -ENOMEM;
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 877813505ef2..e5eb09b2f38e 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1210,6 +1210,8 @@ void xhci_dbg_erst(struct xhci_hcd *xhci, struct xhci_erst *erst);
 void xhci_dbg_cmd_ptrs(struct xhci_hcd *xhci);
 void xhci_dbg_ring_ptrs(struct xhci_hcd *xhci, struct xhci_ring *ring);
 void xhci_dbg_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx, unsigned int last_ep);
+char *xhci_get_slot_state(struct xhci_hcd *xhci,
+		struct xhci_container_ctx *ctx);
 
 /* xHCI memory management */
 void xhci_mem_cleanup(struct xhci_hcd *xhci);
@@ -1233,8 +1235,12 @@ int xhci_endpoint_init(struct xhci_hcd *xhci, struct xhci_virt_device *virt_dev,
 		struct usb_device *udev, struct usb_host_endpoint *ep,
 		gfp_t mem_flags);
 void xhci_ring_free(struct xhci_hcd *xhci, struct xhci_ring *ring);
+void xhci_free_or_cache_endpoint_ring(struct xhci_hcd *xhci,
+		struct xhci_virt_device *virt_dev,
+		unsigned int ep_index);
 struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci,
-		bool allocate_completion, gfp_t mem_flags);
+		bool allocate_in_ctx, bool allocate_completion,
+		gfp_t mem_flags);
 void xhci_free_command(struct xhci_hcd *xhci,
 		struct xhci_command *command);
 
@@ -1264,6 +1270,7 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status);
 int xhci_add_endpoint(struct usb_hcd *hcd, struct usb_device *udev, struct usb_host_endpoint *ep);
 int xhci_drop_endpoint(struct usb_hcd *hcd, struct usb_device *udev, struct usb_host_endpoint *ep);
 void xhci_endpoint_reset(struct usb_hcd *hcd, struct usb_host_endpoint *ep);
+int xhci_reset_device(struct usb_hcd *hcd, struct usb_device *udev);
 int xhci_check_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
 void xhci_reset_bandwidth(struct usb_hcd *hcd, struct usb_device *udev);
 
@@ -1272,6 +1279,7 @@ dma_addr_t xhci_trb_virt_to_dma(struct xhci_segment *seg, union xhci_trb *trb);
 struct xhci_segment *trb_in_td(struct xhci_segment *start_seg,
 		union xhci_trb *start_trb, union xhci_trb *end_trb,
 		dma_addr_t suspect_dma);
+int xhci_is_vendor_info_code(struct xhci_hcd *xhci, unsigned int trb_comp_code);
 void xhci_ring_cmd_db(struct xhci_hcd *xhci);
 void *xhci_setup_one_noop(struct xhci_hcd *xhci);
 void xhci_handle_event(struct xhci_hcd *xhci);
@@ -1293,6 +1301,7 @@ int xhci_queue_evaluate_context(struct xhci_hcd *xhci, dma_addr_t in_ctx_ptr,
 		u32 slot_id);
 int xhci_queue_reset_ep(struct xhci_hcd *xhci, int slot_id,
 		unsigned int ep_index);
+int xhci_queue_reset_device(struct xhci_hcd *xhci, u32 slot_id);
 void xhci_find_new_dequeue_state(struct xhci_hcd *xhci,
 		unsigned int slot_id, unsigned int ep_index,
 		struct xhci_td *cur_td, struct xhci_dequeue_state *state);
diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c
index eca355dccf65..e192e8f7c560 100644
--- a/drivers/usb/image/mdc800.c
+++ b/drivers/usb/image/mdc800.c
@@ -967,7 +967,7 @@ static const struct file_operations mdc800_device_ops =
 
 
 
-static struct usb_device_id mdc800_table [] = {
+static const struct usb_device_id mdc800_table[] = {
 	{ USB_DEVICE(MDC800_VENDOR_ID, MDC800_PRODUCT_ID) },
 	{ }						/* Terminating entry */
 };
diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c
index 459a7287fe01..3a6bcd5fee09 100644
--- a/drivers/usb/image/microtek.c
+++ b/drivers/usb/image/microtek.c
@@ -155,7 +155,7 @@ static int mts_usb_probe(struct usb_interface *intf,
 			 const struct usb_device_id *id);
 static void mts_usb_disconnect(struct usb_interface *intf);
 
-static struct usb_device_id mts_usb_ids [];
+static const struct usb_device_id mts_usb_ids[];
 
 static struct usb_driver mts_usb_driver = {
 	.name =		"microtekX6",
@@ -656,7 +656,7 @@ static struct scsi_host_template mts_scsi_host_template = {
 /* The entries of microtek_table must correspond, line-by-line to
    the entries of mts_supported_products[]. */
 
-static struct usb_device_id mts_usb_ids [] =
+static const struct usb_device_id mts_usb_ids[] =
 {
 	{ USB_DEVICE(0x4ce, 0x0300) },
 	{ USB_DEVICE(0x5da, 0x0094) },
diff --git a/drivers/usb/misc/Kconfig b/drivers/usb/misc/Kconfig
index abe3aa67ed00..55660eaf947c 100644
--- a/drivers/usb/misc/Kconfig
+++ b/drivers/usb/misc/Kconfig
@@ -87,17 +87,6 @@ config USB_LCD
 	  To compile this driver as a module, choose M here: the
 	  module will be called usblcd.
 
-config USB_BERRY_CHARGE
-	tristate "USB BlackBerry recharge support"
-	depends on USB
-	help
-	  Say Y here if you want to connect a BlackBerry device to your
-	  computer's USB port and have it automatically switch to "recharge"
-	  mode.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called berry_charge.
-
 config USB_LED
 	tristate "USB LED driver support"
 	depends on USB
@@ -242,17 +231,3 @@ config USB_ISIGHTFW
 	  driver beforehand. Tools for doing so are available at
 	  http://bersace03.free.fr
 
-config USB_VST
-	tristate "USB VST driver"
-	depends on USB
-	help
-	  This driver is intended for Vernier Software Technologies
-	  bulk usb devices such as their Ocean-Optics spectrometers or
-	  Labquest.
-	  It is a bulk channel driver with configurable read and write
-	  timeouts.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called vstusb.
-
-
diff --git a/drivers/usb/misc/Makefile b/drivers/usb/misc/Makefile
index 0826aab8303f..717703e81425 100644
--- a/drivers/usb/misc/Makefile
+++ b/drivers/usb/misc/Makefile
@@ -5,7 +5,6 @@
 
 obj-$(CONFIG_USB_ADUTUX)	+= adutux.o
 obj-$(CONFIG_USB_APPLEDISPLAY)	+= appledisplay.o
-obj-$(CONFIG_USB_BERRY_CHARGE)	+= berry_charge.o
 obj-$(CONFIG_USB_CYPRESS_CY7C63)+= cypress_cy7c63.o
 obj-$(CONFIG_USB_CYTHERM)	+= cytherm.o
 obj-$(CONFIG_USB_EMI26)		+= emi26.o
@@ -23,7 +22,6 @@ obj-$(CONFIG_USB_TEST)		+= usbtest.o
 obj-$(CONFIG_USB_TRANCEVIBRATOR)	+= trancevibrator.o
 obj-$(CONFIG_USB_USS720)	+= uss720.o
 obj-$(CONFIG_USB_SEVSEG)	+= usbsevseg.o
-obj-$(CONFIG_USB_VST)		+= vstusb.o
 
 obj-$(CONFIG_USB_SISUSBVGA)	+= sisusbvga/
 
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index 203526542013..d240de097c62 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -38,7 +38,7 @@ static int debug = 1;
 #define dbg(lvl, format, arg...) 					\
 do { 									\
 	if (debug >= lvl)						\
-		printk(KERN_DEBUG __FILE__ " : " format " \n", ## arg);	\
+		printk(KERN_DEBUG "%s: " format "\n", __FILE__, ##arg);	\
 } while (0)
 
 
@@ -56,7 +56,7 @@ MODULE_PARM_DESC(debug, "Debug enabled or not");
 #define ADU_PRODUCT_ID 0x0064
 
 /* table of devices that work with this driver */
-static struct usb_device_id device_table [] = {
+static const struct usb_device_id device_table[] = {
 	{ USB_DEVICE(ADU_VENDOR_ID, ADU_PRODUCT_ID) },		/* ADU100 */
 	{ USB_DEVICE(ADU_VENDOR_ID, ADU_PRODUCT_ID+20) }, 	/* ADU120 */
 	{ USB_DEVICE(ADU_VENDOR_ID, ADU_PRODUCT_ID+30) }, 	/* ADU130 */
@@ -132,8 +132,8 @@ static void adu_debug_data(int level, const char *function, int size,
 	if (debug < level)
 		return;
 
-	printk(KERN_DEBUG __FILE__": %s - length = %d, data = ",
-	       function, size);
+	printk(KERN_DEBUG "%s: %s - length = %d, data = ",
+	       __FILE__, function, size);
 	for (i = 0; i < size; ++i)
 		printk("%.2x ", data[i]);
 	printk("\n");
diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c
index 1eb9e4162cc6..3adab041355a 100644
--- a/drivers/usb/misc/appledisplay.c
+++ b/drivers/usb/misc/appledisplay.c
@@ -57,7 +57,7 @@
 	.bInterfaceProtocol = 0x00
 
 /* table of devices that work with this driver */
-static struct usb_device_id appledisplay_table [] = {
+static const struct usb_device_id appledisplay_table[] = {
 	{ APPLEDISPLAY_DEVICE(0x9218) },
 	{ APPLEDISPLAY_DEVICE(0x9219) },
 	{ APPLEDISPLAY_DEVICE(0x921c) },
@@ -179,7 +179,7 @@ static int appledisplay_bl_get_brightness(struct backlight_device *bd)
 		return pdata->msgdata[1];
 }
 
-static struct backlight_ops appledisplay_bl_data = {
+static const struct backlight_ops appledisplay_bl_data = {
 	.get_brightness	= appledisplay_bl_get_brightness,
 	.update_status	= appledisplay_bl_update_status,
 };
@@ -202,6 +202,7 @@ static void appledisplay_work(struct work_struct *work)
 static int appledisplay_probe(struct usb_interface *iface,
 	const struct usb_device_id *id)
 {
+	struct backlight_properties props;
 	struct appledisplay *pdata;
 	struct usb_device *udev = interface_to_usbdev(iface);
 	struct usb_host_interface *iface_desc;
@@ -279,15 +280,16 @@ static int appledisplay_probe(struct usb_interface *iface,
 	/* Register backlight device */
 	snprintf(bl_name, sizeof(bl_name), "appledisplay%d",
 		atomic_inc_return(&count_displays) - 1);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 0xff;
 	pdata->bd = backlight_device_register(bl_name, NULL, pdata,
-						&appledisplay_bl_data);
+					      &appledisplay_bl_data, &props);
 	if (IS_ERR(pdata->bd)) {
 		dev_err(&iface->dev, "Backlight registration failed\n");
+		retval = PTR_ERR(pdata->bd);
 		goto error;
 	}
 
-	pdata->bd->props.max_brightness = 0xff;
-
 	/* Try to get brightness */
 	brightness = appledisplay_bl_get_brightness(pdata->bd);
 
diff --git a/drivers/usb/misc/berry_charge.c b/drivers/usb/misc/berry_charge.c
deleted file mode 100644
index c05a85bc5925..000000000000
--- a/drivers/usb/misc/berry_charge.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * USB BlackBerry charging module
- *
- * Copyright (C) 2007 Greg Kroah-Hartman <gregkh@suse.de>
- *
- *	This program is free software; you can redistribute it and/or
- *	modify it under the terms of the GNU General Public License as
- *	published by the Free Software Foundation, version 2.
- *
- * Information on how to switch configs was taken by the bcharge.cc file
- * created by the barry.sf.net project.
- *
- * bcharge.cc has the following copyright:
- * 	Copyright (C) 2006, Net Direct Inc. (http://www.netdirect.ca/)
- * and is released under the GPLv2.
- *
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/usb.h>
-
-#define RIM_VENDOR		0x0fca
-#define BLACKBERRY		0x0001
-#define BLACKBERRY_PEARL_DUAL   0x0004
-#define BLACKBERRY_PEARL        0x0006
-
-static int debug;
-static int pearl_dual_mode = 1;
-
-#ifdef dbg
-#undef dbg
-#endif
-#define dbg(dev, format, arg...)				\
-	if (debug)						\
-		dev_printk(KERN_DEBUG , dev , format , ## arg)
-
-static struct usb_device_id id_table [] = {
-	{ USB_DEVICE(RIM_VENDOR, BLACKBERRY) },
-	{ USB_DEVICE(RIM_VENDOR, BLACKBERRY_PEARL) },
-	{ USB_DEVICE(RIM_VENDOR, BLACKBERRY_PEARL_DUAL) },
-	{ },					/* Terminating entry */
-};
-MODULE_DEVICE_TABLE(usb, id_table);
-
-static int magic_charge(struct usb_device *udev)
-{
-	char *dummy_buffer = kzalloc(2, GFP_KERNEL);
-	int retval;
-
-	if (!dummy_buffer)
-		return -ENOMEM;
-
-	/* send two magic commands and then set the configuration.  The device
-	 * will then reset itself with the new power usage and should start
-	 * charging. */
-
-	/* Note, with testing, it only seems that the first message is really
-	 * needed (at least for the 8700c), but to be safe, we emulate what
-	 * other operating systems seem to be sending to their device.  We
-	 * really need to get some specs for this device to be sure about what
-	 * is going on here.
-	 */
-	dbg(&udev->dev, "Sending first magic command\n");
-	retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
-				 0xa5, 0xc0, 0, 1, dummy_buffer, 2, 100);
-	if (retval != 2) {
-		dev_err(&udev->dev, "First magic command failed: %d.\n",
-			retval);
-		goto exit;
-	}
-
-	dbg(&udev->dev, "Sending second magic command\n");
-	retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
-				 0xa2, 0x40, 0, 1, dummy_buffer, 0, 100);
-	if (retval != 0) {
-		dev_err(&udev->dev, "Second magic command failed: %d.\n",
-			retval);
-		goto exit;
-	}
-
-	dbg(&udev->dev, "Calling set_configuration\n");
-	retval = usb_driver_set_configuration(udev, 1);
-	if (retval)
-		dev_err(&udev->dev, "Set Configuration failed :%d.\n", retval);
-
-exit:
-	kfree(dummy_buffer);
-	return retval;
-}
-
-static int magic_dual_mode(struct usb_device *udev)
-{
-	char *dummy_buffer = kzalloc(2, GFP_KERNEL);
-	int retval;
-
-	if (!dummy_buffer)
-		return -ENOMEM;
-
-	/* send magic command so that the Blackberry Pearl device exposes
-	 * two interfaces: both the USB mass-storage one and one which can
-	 * be used for database access. */
-	dbg(&udev->dev, "Sending magic pearl command\n");
-	retval = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
-				 0xa9, 0xc0, 1, 1, dummy_buffer, 2, 100);
-	dbg(&udev->dev, "Magic pearl command returned %d\n", retval);
-
-	dbg(&udev->dev, "Calling set_configuration\n");
-	retval = usb_driver_set_configuration(udev, 1);
-	if (retval)
-		dev_err(&udev->dev, "Set Configuration failed :%d.\n", retval);
-
-	kfree(dummy_buffer);
-	return retval;
-}
-
-static int berry_probe(struct usb_interface *intf,
-		       const struct usb_device_id *id)
-{
-	struct usb_device *udev = interface_to_usbdev(intf);
-
-	if (udev->bus_mA < 500) {
-		dbg(&udev->dev, "Not enough power to charge available\n");
-		return -ENODEV;
-	}
-
-	dbg(&udev->dev, "Power is set to %dmA\n",
-	    udev->actconfig->desc.bMaxPower * 2);
-
-	/* check the power usage so we don't try to enable something that is
-	 * already enabled */
-	if ((udev->actconfig->desc.bMaxPower * 2) == 500) {
-		dbg(&udev->dev, "device is already charging, power is "
-		    "set to %dmA\n", udev->actconfig->desc.bMaxPower * 2);
-		return -ENODEV;
-	}
-
-	/* turn the power on */
-	magic_charge(udev);
-
-	if ((le16_to_cpu(udev->descriptor.idProduct) == BLACKBERRY_PEARL) &&
-	    (pearl_dual_mode))
-		magic_dual_mode(udev);
-
-	/* we don't really want to bind to the device, userspace programs can
-	 * handle the syncing just fine, so get outta here. */
-	return -ENODEV;
-}
-
-static void berry_disconnect(struct usb_interface *intf)
-{
-}
-
-static struct usb_driver berry_driver = {
-	.name =		"berry_charge",
-	.probe =	berry_probe,
-	.disconnect =	berry_disconnect,
-	.id_table =	id_table,
-};
-
-static int __init berry_init(void)
-{
-	return usb_register(&berry_driver);
-}
-
-static void __exit berry_exit(void)
-{
-	usb_deregister(&berry_driver);
-}
-
-module_init(berry_init);
-module_exit(berry_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Greg Kroah-Hartman <gregkh@suse.de>");
-module_param(debug, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(debug, "Debug enabled or not");
-module_param(pearl_dual_mode, bool, S_IRUGO | S_IWUSR);
-MODULE_PARM_DESC(pearl_dual_mode, "Change Blackberry Pearl to run in dual mode");
diff --git a/drivers/usb/misc/cypress_cy7c63.c b/drivers/usb/misc/cypress_cy7c63.c
index 5720bfef6a38..1547d8cac5fb 100644
--- a/drivers/usb/misc/cypress_cy7c63.c
+++ b/drivers/usb/misc/cypress_cy7c63.c
@@ -56,7 +56,7 @@
 
 
 /* table of devices that work with this driver */
-static struct usb_device_id cypress_table [] = {
+static const struct usb_device_id cypress_table[] = {
 	{ USB_DEVICE(CYPRESS_VENDOR_ID, CYPRESS_PRODUCT_ID) },
 	{ }
 };
diff --git a/drivers/usb/misc/cytherm.c b/drivers/usb/misc/cytherm.c
index 4fb3c38b924b..b9cbbbda8245 100644
--- a/drivers/usb/misc/cytherm.c
+++ b/drivers/usb/misc/cytherm.c
@@ -27,7 +27,7 @@
 #define USB_SKEL_VENDOR_ID	0x04b4
 #define USB_SKEL_PRODUCT_ID	0x0002
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(USB_SKEL_VENDOR_ID, USB_SKEL_PRODUCT_ID) },
 	{ }
 };
diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c
index 879a980ca8c4..a6521c95f683 100644
--- a/drivers/usb/misc/emi26.c
+++ b/drivers/usb/misc/emi26.c
@@ -245,7 +245,7 @@ wraperr:
 	return err;
 }
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(EMI26_VENDOR_ID, EMI26_PRODUCT_ID) },
 	{ USB_DEVICE(EMI26_VENDOR_ID, EMI26B_PRODUCT_ID) },
 	{ }                                             /* Terminating entry */
diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c
index 59860b328534..fc15ad4c3139 100644
--- a/drivers/usb/misc/emi62.c
+++ b/drivers/usb/misc/emi62.c
@@ -259,7 +259,7 @@ wraperr:
 	return err;
 }
 
-static __devinitdata struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] __devinitconst = {
 	{ USB_DEVICE(EMI62_VENDOR_ID, EMI62_PRODUCT_ID) },
 	{ }                                             /* Terminating entry */
 };
diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c
index 9d0675ed0d4c..1edb6d361896 100644
--- a/drivers/usb/misc/ftdi-elan.c
+++ b/drivers/usb/misc/ftdi-elan.c
@@ -86,7 +86,7 @@ static struct list_head ftdi_static_list;
 #define USB_FTDI_ELAN_VENDOR_ID 0x0403
 #define USB_FTDI_ELAN_PRODUCT_ID 0xd6ea
 /* table of devices that work with this driver*/
-static struct usb_device_id ftdi_elan_table[] = {
+static const struct usb_device_id ftdi_elan_table[] = {
         {USB_DEVICE(USB_FTDI_ELAN_VENDOR_ID, USB_FTDI_ELAN_PRODUCT_ID)},
         { /* Terminating entry */ }
 };
@@ -623,9 +623,12 @@ static void ftdi_elan_status_work(struct work_struct *work)
 */
 static int ftdi_elan_open(struct inode *inode, struct file *file)
 {
-        int subminor = iminor(inode);
-        struct usb_interface *interface = usb_find_interface(&ftdi_elan_driver,
-                subminor);
+	int subminor;
+	struct usb_interface *interface;
+
+        subminor = iminor(inode);
+        interface = usb_find_interface(&ftdi_elan_driver, subminor);
+
         if (!interface) {
                 printk(KERN_ERR "can't find device for minor %d\n", subminor);
                 return -ENODEV;
diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c
index 1337a9ce80b9..a54c3cb804ce 100644
--- a/drivers/usb/misc/idmouse.c
+++ b/drivers/usb/misc/idmouse.c
@@ -48,7 +48,7 @@
 #define ID_CHERRY  0x0010
 
 /* device ID table */
-static struct usb_device_id idmouse_table[] = {
+static const struct usb_device_id idmouse_table[] = {
 	{USB_DEVICE(ID_SIEMENS, ID_IDMOUSE)}, /* Siemens ID Mouse (Professional) */
 	{USB_DEVICE(ID_SIEMENS, ID_CHERRY )}, /* Cherry FingerTIP ID Board       */
 	{}                                    /* terminating null entry          */
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index e75bb87ee92b..d3c852363883 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -139,7 +139,7 @@ static int usb_set_report(struct usb_interface *intf, unsigned char type,
 /* driver registration */
 /*---------------------*/
 /* table of devices that work with this driver */
-static struct usb_device_id iowarrior_ids[] = {
+static const struct usb_device_id iowarrior_ids[] = {
 	{USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW40)},
 	{USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOW24)},
 	{USB_DEVICE(USB_VENDOR_ID_CODEMERCS, USB_DEVICE_ID_CODEMERCS_IOWPV1)},
@@ -602,10 +602,12 @@ static int iowarrior_open(struct inode *inode, struct file *file)
 
 	dbg("%s", __func__);
 
+	lock_kernel();
 	subminor = iminor(inode);
 
 	interface = usb_find_interface(&iowarrior_driver, subminor);
 	if (!interface) {
+		unlock_kernel();
 		err("%s - error, can't find device for minor %d", __func__,
 		    subminor);
 		return -ENODEV;
@@ -615,6 +617,7 @@ static int iowarrior_open(struct inode *inode, struct file *file)
 	dev = usb_get_intfdata(interface);
 	if (!dev) {
 		mutex_unlock(&iowarrior_open_disc_lock);
+		unlock_kernel();
 		return -ENODEV;
 	}
 
@@ -641,6 +644,7 @@ static int iowarrior_open(struct inode *inode, struct file *file)
 
 out:
 	mutex_unlock(&dev->mutex);
+	unlock_kernel();
 	return retval;
 }
 
diff --git a/drivers/usb/misc/isight_firmware.c b/drivers/usb/misc/isight_firmware.c
index b897f6554ecd..06e990adc6cd 100644
--- a/drivers/usb/misc/isight_firmware.c
+++ b/drivers/usb/misc/isight_firmware.c
@@ -26,7 +26,7 @@
 #include <linux/errno.h>
 #include <linux/module.h>
 
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
 	{USB_DEVICE(0x05ac, 0x8300)},
 	{},
 };
@@ -112,6 +112,8 @@ out:
 	return ret;
 }
 
+MODULE_FIRMWARE("isight.fw");
+
 static void isight_firmware_disconnect(struct usb_interface *intf)
 {
 }
diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c
index 90f130126c10..dd41d8710043 100644
--- a/drivers/usb/misc/ldusb.c
+++ b/drivers/usb/misc/ldusb.c
@@ -69,7 +69,7 @@
 #endif
 
 /* table of devices that work with this driver */
-static struct usb_device_id ld_usb_table [] = {
+static const struct usb_device_id ld_usb_table[] = {
 	{ USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
 	{ USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
 	{ USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
@@ -798,7 +798,7 @@ static int __init ld_usb_init(void)
 	/* register this driver with the USB subsystem */
 	retval = usb_register(&ld_usb_driver);
 	if (retval)
-		err("usb_register failed for the "__FILE__" driver. Error number %d\n", retval);
+		err("usb_register failed for the %s driver. Error number %d\n", __FILE__, retval);
 
 	return retval;
 }
diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c
index faa6d623de78..8547bf9e3175 100644
--- a/drivers/usb/misc/legousbtower.c
+++ b/drivers/usb/misc/legousbtower.c
@@ -95,8 +95,11 @@
 
 /* Use our own dbg macro */
 #undef dbg
-#define dbg(lvl, format, arg...) do { if (debug >= lvl) printk(KERN_DEBUG  __FILE__ ": " format "\n", ## arg); } while (0)
-
+#define dbg(lvl, format, arg...)					\
+do {									\
+	if (debug >= lvl)						\
+		printk(KERN_DEBUG "%s: " format "\n", __FILE__, ##arg);	\
+} while (0)
 
 /* Version Information */
 #define DRIVER_VERSION "v0.96"
@@ -192,7 +195,7 @@ struct tower_get_version_reply {
 
 
 /* table of devices that work with this driver */
-static struct usb_device_id tower_table [] = {
+static const struct usb_device_id tower_table[] = {
 	{ USB_DEVICE(LEGO_USB_TOWER_VENDOR_ID, LEGO_USB_TOWER_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
@@ -302,7 +305,7 @@ static inline void lego_usb_tower_debug_data (int level, const char *function, i
 	if (debug < level)
 		return;
 
-	printk (KERN_DEBUG __FILE__": %s - length = %d, data = ", function, size);
+	printk (KERN_DEBUG "%s: %s - length = %d, data = ", __FILE__, function, size);
 	for (i = 0; i < size; ++i) {
 		printk ("%.2x ", data[i]);
 	}
@@ -1055,7 +1058,7 @@ static int __init lego_usb_tower_init(void)
 	/* register this driver with the USB subsystem */
 	result = usb_register(&tower_driver);
 	if (result < 0) {
-		err("usb_register failed for the "__FILE__" driver. Error number %d", result);
+		err("usb_register failed for the %s driver. Error number %d", __FILE__, result);
 		retval = -1;
 		goto exit;
 	}
diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c
index 32d0199d0c32..a85771b1563d 100644
--- a/drivers/usb/misc/rio500.c
+++ b/drivers/usb/misc/rio500.c
@@ -78,10 +78,13 @@ static int open_rio(struct inode *inode, struct file *file)
 {
 	struct rio_usb_data *rio = &rio_instance;
 
+	/* against disconnect() */
+	lock_kernel();
 	mutex_lock(&(rio->lock));
 
 	if (rio->isopen || !rio->present) {
 		mutex_unlock(&(rio->lock));
+		unlock_kernel();
 		return -EBUSY;
 	}
 	rio->isopen = 1;
@@ -91,6 +94,7 @@ static int open_rio(struct inode *inode, struct file *file)
 	mutex_unlock(&(rio->lock));
 
 	dev_info(&rio->rio_dev->dev, "Rio opened.\n");
+	unlock_kernel();
 
 	return 0;
 }
@@ -115,7 +119,6 @@ static long ioctl_rio(struct file *file, unsigned int cmd, unsigned long arg)
 	int retries;
 	int retval=0;
 
-	lock_kernel();
 	mutex_lock(&(rio->lock));
         /* Sanity check to make sure rio is connected, powered, etc */
         if (rio->present == 0 || rio->rio_dev == NULL) {
@@ -254,7 +257,6 @@ static long ioctl_rio(struct file *file, unsigned int cmd, unsigned long arg)
 
 err_out:
 	mutex_unlock(&(rio->lock));
-	unlock_kernel();
 	return retval;
 }
 
@@ -489,6 +491,7 @@ static void disconnect_rio(struct usb_interface *intf)
 	struct rio_usb_data *rio = usb_get_intfdata (intf);
 
 	usb_set_intfdata (intf, NULL);
+	lock_kernel();
 	if (rio) {
 		usb_deregister_dev(intf, &usb_rio_class);
 
@@ -498,6 +501,7 @@ static void disconnect_rio(struct usb_interface *intf)
 			/* better let it finish - the release will do whats needed */
 			rio->rio_dev = NULL;
 			mutex_unlock(&(rio->lock));
+			unlock_kernel();
 			return;
 		}
 		kfree(rio->ibuf);
@@ -508,9 +512,10 @@ static void disconnect_rio(struct usb_interface *intf)
 		rio->present = 0;
 		mutex_unlock(&(rio->lock));
 	}
+	unlock_kernel();
 }
 
-static struct usb_device_id rio_table [] = {
+static const struct usb_device_id rio_table[] = {
 	{ USB_DEVICE(0x0841, 1) }, 		/* Rio 500 */
 	{ }					/* Terminating entry */
 };
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 8b37a4b9839e..aae95a009bd5 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -250,7 +250,7 @@ sisusb_bulkout_msg(struct sisusb_usb_data *sisusb, int index, unsigned int pipe,
 	sisusb->urbstatus[index] |= SU_URB_BUSY;
 
 	/* Submit URB */
-	retval = usb_submit_urb(urb, GFP_ATOMIC);
+	retval = usb_submit_urb(urb, GFP_KERNEL);
 
 	/* If OK, and if timeout > 0, wait for completion */
 	if ((retval == 0) && timeout) {
@@ -306,7 +306,7 @@ sisusb_bulkin_msg(struct sisusb_usb_data *sisusb, unsigned int pipe, void *data,
 	urb->actual_length = 0;
 
 	sisusb->completein = 0;
-	retval = usb_submit_urb(urb, GFP_ATOMIC);
+	retval = usb_submit_urb(urb, GFP_KERNEL);
 	if (retval == 0) {
 		wait_event_timeout(sisusb->wait_q, sisusb->completein, timeout);
 		if (!sisusb->completein) {
@@ -2416,21 +2416,28 @@ sisusb_open(struct inode *inode, struct file *file)
 	struct usb_interface *interface;
 	int subminor = iminor(inode);
 
-	if (!(interface = usb_find_interface(&sisusb_driver, subminor)))
+	lock_kernel();
+	if (!(interface = usb_find_interface(&sisusb_driver, subminor))) {
+		unlock_kernel();
 		return -ENODEV;
+	}
 
-	if (!(sisusb = usb_get_intfdata(interface)))
+	if (!(sisusb = usb_get_intfdata(interface))) {
+		unlock_kernel();
 		return -ENODEV;
+	}
 
 	mutex_lock(&sisusb->lock);
 
 	if (!sisusb->present || !sisusb->ready) {
 		mutex_unlock(&sisusb->lock);
+		unlock_kernel();
 		return -ENODEV;
 	}
 
 	if (sisusb->isopen) {
 		mutex_unlock(&sisusb->lock);
+		unlock_kernel();
 		return -EBUSY;
 	}
 
@@ -2439,11 +2446,13 @@ sisusb_open(struct inode *inode, struct file *file)
 			if (sisusb_init_gfxdevice(sisusb, 0)) {
 				mutex_unlock(&sisusb->lock);
 				dev_err(&sisusb->sisusb_dev->dev, "Failed to initialize device\n");
+				unlock_kernel();
 				return -EIO;
 			}
 		} else {
 			mutex_unlock(&sisusb->lock);
 			dev_err(&sisusb->sisusb_dev->dev, "Device not attached to USB 2.0 hub\n");
+			unlock_kernel();
 			return -EIO;
 		}
 	}
@@ -2456,6 +2465,7 @@ sisusb_open(struct inode *inode, struct file *file)
 	file->private_data = sisusb;
 
 	mutex_unlock(&sisusb->lock);
+	unlock_kernel();
 
 	return 0;
 }
@@ -3238,7 +3248,7 @@ static void sisusb_disconnect(struct usb_interface *intf)
 	kref_put(&sisusb->kref, sisusb_delete);
 }
 
-static struct usb_device_id sisusb_table [] = {
+static const struct usb_device_id sisusb_table[] = {
 	{ USB_DEVICE(0x0711, 0x0550) },
 	{ USB_DEVICE(0x0711, 0x0900) },
 	{ USB_DEVICE(0x0711, 0x0901) },
diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c
index 2e14102955c5..5da28eaee314 100644
--- a/drivers/usb/misc/trancevibrator.c
+++ b/drivers/usb/misc/trancevibrator.c
@@ -33,7 +33,7 @@
 #define TRANCEVIBRATOR_VENDOR_ID	0x0b49	/* ASCII Corporation */
 #define TRANCEVIBRATOR_PRODUCT_ID	0x064f	/* Trance Vibrator */
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(TRANCEVIBRATOR_VENDOR_ID, TRANCEVIBRATOR_PRODUCT_ID) },
 	{ },
 };
diff --git a/drivers/usb/misc/usblcd.c b/drivers/usb/misc/usblcd.c
index 4fb120357c55..90aede90553e 100644
--- a/drivers/usb/misc/usblcd.c
+++ b/drivers/usb/misc/usblcd.c
@@ -30,7 +30,7 @@
 #define IOCTL_GET_DRV_VERSION	2
 
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ .idVendor = 0x10D2, .match_flags = USB_DEVICE_ID_MATCH_VENDOR, },
 	{ },
 };
@@ -74,10 +74,12 @@ static int lcd_open(struct inode *inode, struct file *file)
 	struct usb_interface *interface;
 	int subminor, r;
 
+	lock_kernel();
 	subminor = iminor(inode);
 
 	interface = usb_find_interface(&lcd_driver, subminor);
 	if (!interface) {
+		unlock_kernel();
 		err ("USBLCD: %s - error, can't find device for minor %d",
 		     __func__, subminor);
 		return -ENODEV;
@@ -87,6 +89,7 @@ static int lcd_open(struct inode *inode, struct file *file)
 	dev = usb_get_intfdata(interface);
 	if (!dev) {
 		mutex_unlock(&open_disc_mutex);
+		unlock_kernel();
 		return -ENODEV;
 	}
 
@@ -98,11 +101,13 @@ static int lcd_open(struct inode *inode, struct file *file)
 	r = usb_autopm_get_interface(interface);
 	if (r < 0) {
 		kref_put(&dev->kref, lcd_delete);
+		unlock_kernel();
 		return r;
 	}
 
 	/* save our object in the file's private structure */
 	file->private_data = dev;
+	unlock_kernel();
 
 	return 0;
 }
diff --git a/drivers/usb/misc/usbled.c b/drivers/usb/misc/usbled.c
index 06cb71942dc7..63da2c3c838f 100644
--- a/drivers/usb/misc/usbled.c
+++ b/drivers/usb/misc/usbled.c
@@ -24,7 +24,7 @@
 #define PRODUCT_ID	0x1223
 
 /* table of devices that work with this driver */
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(VENDOR_ID, PRODUCT_ID) },
 	{ },
 };
diff --git a/drivers/usb/misc/usbsevseg.c b/drivers/usb/misc/usbsevseg.c
index 3db255537e79..a9555cb901a1 100644
--- a/drivers/usb/misc/usbsevseg.c
+++ b/drivers/usb/misc/usbsevseg.c
@@ -27,7 +27,7 @@
 #define MAXLEN		6
 
 /* table of devices that work with this driver */
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(VENDOR_ID, PRODUCT_ID) },
 	{ },
 };
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 3dab0c0b196f..a21cce6f7403 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -1580,10 +1580,6 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf)
 		return -ERESTARTSYS;
 
 	/* FIXME: What if a system sleep starts while a test is running? */
-	if (!intf->is_active) {
-		mutex_unlock(&dev->lock);
-		return -EHOSTUNREACH;
-	}
 
 	/* some devices, like ez-usb default devices, need a non-default
 	 * altsetting to have any active endpoints.  some tests change
@@ -2101,7 +2097,7 @@ static struct usbtest_info generic_info = {
 #endif
 
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 
 	/*-------------------------------------------------------------*/
 
diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c
index 9a6c27a01793..f56fed53f2dd 100644
--- a/drivers/usb/misc/uss720.c
+++ b/drivers/usb/misc/uss720.c
@@ -770,7 +770,7 @@ static void uss720_disconnect(struct usb_interface *intf)
 }
 
 /* table of cables that work through this driver */
-static struct usb_device_id uss720_table [] = {
+static const struct usb_device_id uss720_table[] = {
 	{ USB_DEVICE(0x047e, 0x1001) },
 	{ USB_DEVICE(0x0557, 0x2001) },
 	{ USB_DEVICE(0x0729, 0x1284) },
diff --git a/drivers/usb/misc/vstusb.c b/drivers/usb/misc/vstusb.c
deleted file mode 100644
index f26ea8dc1577..000000000000
--- a/drivers/usb/misc/vstusb.c
+++ /dev/null
@@ -1,783 +0,0 @@
-/*****************************************************************************
- *  File: drivers/usb/misc/vstusb.c
- *
- *  Purpose: Support for the bulk USB Vernier Spectrophotometers
- *
- *  Author:     Johnnie Peters
- *              Axian Consulting
- *              Beaverton, OR, USA 97005
- *
- *  Modified by:     EQware Engineering, Inc.
- *                   Oregon City, OR, USA 97045
- *
- *  Copyright:  2007, 2008
- *              Vernier Software & Technology
- *              Beaverton, OR, USA 97005
- *
- *  Web:        www.vernier.com
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  published by the Free Software Foundation.
- *
- *****************************************************************************/
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/mutex.h>
-#include <linux/uaccess.h>
-#include <linux/usb.h>
-
-#include <linux/usb/vstusb.h>
-
-#define DRIVER_VERSION "VST USB Driver Version 1.5"
-#define DRIVER_DESC "Vernier Software Technology Bulk USB Driver"
-
-#ifdef CONFIG_USB_DYNAMIC_MINORS
-	#define VSTUSB_MINOR_BASE	0
-#else
-	#define VSTUSB_MINOR_BASE	199
-#endif
-
-#define USB_VENDOR_OCEANOPTICS	0x2457
-#define USB_VENDOR_VERNIER	0x08F7	/* Vernier Software & Technology */
-
-#define USB_PRODUCT_USB2000	0x1002
-#define USB_PRODUCT_ADC1000_FW	0x1003	/* firmware download (renumerates) */
-#define USB_PRODUCT_ADC1000	0x1004
-#define USB_PRODUCT_HR2000_FW	0x1009	/* firmware download (renumerates) */
-#define USB_PRODUCT_HR2000	0x100A
-#define USB_PRODUCT_HR4000_FW	0x1011	/* firmware download (renumerates) */
-#define USB_PRODUCT_HR4000	0x1012
-#define USB_PRODUCT_USB650	0x1014	/* "Red Tide" */
-#define USB_PRODUCT_QE65000	0x1018
-#define USB_PRODUCT_USB4000	0x1022
-#define USB_PRODUCT_USB325	0x1024	/* "Vernier Spectrometer" */
-
-#define USB_PRODUCT_LABPRO	0x0001
-#define USB_PRODUCT_LABQUEST	0x0005
-
-#define VST_MAXBUFFER		(64*1024)
-
-static struct usb_device_id id_table[] = {
-	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_USB2000)},
-	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_HR4000)},
-	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_USB650)},
-	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_USB4000)},
-	{ USB_DEVICE(USB_VENDOR_OCEANOPTICS, USB_PRODUCT_USB325)},
-	{ USB_DEVICE(USB_VENDOR_VERNIER, USB_PRODUCT_LABQUEST)},
-	{ USB_DEVICE(USB_VENDOR_VERNIER, USB_PRODUCT_LABPRO)},
-	{},
-};
-
-MODULE_DEVICE_TABLE(usb, id_table);
-
-struct vstusb_device {
-	struct kref				kref;
-	struct mutex            lock;
-	struct usb_device       *usb_dev;
-	char                    present;
-	char                    isopen;
-	struct usb_anchor       submitted;
-	int                     rd_pipe;
-	int                     rd_timeout_ms;
-	int                     wr_pipe;
-	int                     wr_timeout_ms;
-};
-#define to_vst_dev(d) container_of(d, struct vstusb_device, kref)
-
-static struct usb_driver vstusb_driver;
-
-static void vstusb_delete(struct kref *kref)
-{
-	struct vstusb_device *vstdev = to_vst_dev(kref);
-
-	usb_put_dev(vstdev->usb_dev);
-	kfree(vstdev);
-}
-
-static int vstusb_open(struct inode *inode, struct file *file)
-{
-	struct vstusb_device *vstdev;
-	struct usb_interface *interface;
-
-	interface = usb_find_interface(&vstusb_driver, iminor(inode));
-
-	if (!interface) {
-		printk(KERN_ERR KBUILD_MODNAME
-		       ": %s - error, can't find device for minor %d\n",
-		       __func__, iminor(inode));
-		return -ENODEV;
-	}
-
-	vstdev = usb_get_intfdata(interface);
-
-	if (!vstdev)
-		return -ENODEV;
-
-	/* lock this device */
-	mutex_lock(&vstdev->lock);
-
-	/* can only open one time */
-	if ((!vstdev->present) || (vstdev->isopen)) {
-		mutex_unlock(&vstdev->lock);
-		return -EBUSY;
-	}
-
-	/* increment our usage count */
-	kref_get(&vstdev->kref);
-
-	vstdev->isopen = 1;
-
-	/* save device in the file's private structure */
-	file->private_data = vstdev;
-
-	dev_dbg(&vstdev->usb_dev->dev, "%s: opened\n", __func__);
-
-	mutex_unlock(&vstdev->lock);
-
-	return 0;
-}
-
-static int vstusb_release(struct inode *inode, struct file *file)
-{
-	struct vstusb_device *vstdev;
-
-	vstdev = file->private_data;
-
-	if (vstdev == NULL)
-		return -ENODEV;
-
-	mutex_lock(&vstdev->lock);
-
-	vstdev->isopen = 0;
-
-	dev_dbg(&vstdev->usb_dev->dev, "%s: released\n", __func__);
-
-	mutex_unlock(&vstdev->lock);
-
-	kref_put(&vstdev->kref, vstusb_delete);
-
-	return 0;
-}
-
-static void usb_api_blocking_completion(struct urb *urb)
-{
-	struct completion *completeit = urb->context;
-
-	complete(completeit);
-}
-
-static int vstusb_fill_and_send_urb(struct urb *urb,
-				    struct usb_device *usb_dev,
-				    unsigned int pipe, void *data,
-				    unsigned int len, struct completion *done)
-{
-	struct usb_host_endpoint *ep;
-	struct usb_host_endpoint **hostep;
-	unsigned int pipend;
-
-	int status;
-
-	hostep = usb_pipein(pipe) ? usb_dev->ep_in : usb_dev->ep_out;
-	pipend = usb_pipeendpoint(pipe);
-	ep = hostep[pipend];
-
-	if (!ep || (len == 0))
-		return -EINVAL;
-
-	if ((ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
-	    == USB_ENDPOINT_XFER_INT) {
-		pipe = (pipe & ~(3 << 30)) | (PIPE_INTERRUPT << 30);
-		usb_fill_int_urb(urb, usb_dev, pipe, data, len,
-				 (usb_complete_t)usb_api_blocking_completion,
-				 NULL, ep->desc.bInterval);
-	} else
-		usb_fill_bulk_urb(urb, usb_dev, pipe, data, len,
-				  (usb_complete_t)usb_api_blocking_completion,
-				  NULL);
-
-	init_completion(done);
-	urb->context = done;
-	urb->actual_length = 0;
-	status = usb_submit_urb(urb, GFP_KERNEL);
-
-	return status;
-}
-
-static int vstusb_complete_urb(struct urb *urb, struct completion *done,
-			       int timeout, int *actual_length)
-{
-	unsigned long expire;
-	int status;
-
-	expire = timeout ? msecs_to_jiffies(timeout) : MAX_SCHEDULE_TIMEOUT;
-	if (!wait_for_completion_interruptible_timeout(done, expire)) {
-		usb_kill_urb(urb);
-		status = urb->status == -ENOENT ? -ETIMEDOUT : urb->status;
-
-		dev_dbg(&urb->dev->dev,
-			"%s timed out on ep%d%s len=%d/%d, urb status = %d\n",
-			current->comm,
-			usb_pipeendpoint(urb->pipe),
-			usb_pipein(urb->pipe) ? "in" : "out",
-			urb->actual_length,
-			urb->transfer_buffer_length,
-			urb->status);
-
-	} else {
-		if (signal_pending(current)) {
-			/* if really an error */
-			if (urb->status && !((urb->status == -ENOENT)     ||
-					     (urb->status == -ECONNRESET) ||
-					     (urb->status == -ESHUTDOWN))) {
-				status = -EINTR;
-				usb_kill_urb(urb);
-			} else {
-				status = 0;
-			}
-
-			dev_dbg(&urb->dev->dev,
-				"%s: signal pending on ep%d%s len=%d/%d,"
-				"urb status = %d\n",
-				current->comm,
-				usb_pipeendpoint(urb->pipe),
-				usb_pipein(urb->pipe) ? "in" : "out",
-				urb->actual_length,
-				urb->transfer_buffer_length,
-				urb->status);
-
-		} else {
-			status = urb->status;
-		}
-	}
-
-	if (actual_length)
-		*actual_length = urb->actual_length;
-
-	return status;
-}
-
-static ssize_t vstusb_read(struct file *file, char __user *buffer,
-			   size_t count, loff_t *ppos)
-{
-	struct vstusb_device *vstdev;
-	int cnt = -1;
-	void *buf;
-	int retval = 0;
-
-	struct urb              *urb;
-	struct usb_device       *dev;
-	unsigned int            pipe;
-	int                     timeout;
-
-	DECLARE_COMPLETION_ONSTACK(done);
-
-	vstdev = file->private_data;
-
-	if (vstdev == NULL)
-		return -ENODEV;
-
-	/* verify that we actually want to read some data */
-	if ((count == 0) || (count > VST_MAXBUFFER))
-		return -EINVAL;
-
-	/* lock this object */
-	if (mutex_lock_interruptible(&vstdev->lock))
-		return -ERESTARTSYS;
-
-	/* anyone home */
-	if (!vstdev->present) {
-		mutex_unlock(&vstdev->lock);
-		printk(KERN_ERR KBUILD_MODNAME
-		       ": %s: device not present\n", __func__);
-		return -ENODEV;
-	}
-
-	/* pull out the necessary data */
-	dev =     vstdev->usb_dev;
-	pipe =    usb_rcvbulkpipe(dev, vstdev->rd_pipe);
-	timeout = vstdev->rd_timeout_ms;
-
-	buf = kmalloc(count, GFP_KERNEL);
-	if (buf == NULL) {
-		mutex_unlock(&vstdev->lock);
-		return -ENOMEM;
-	}
-
-	urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!urb) {
-		kfree(buf);
-		mutex_unlock(&vstdev->lock);
-		return -ENOMEM;
-	}
-
-	usb_anchor_urb(urb, &vstdev->submitted);
-	retval = vstusb_fill_and_send_urb(urb, dev, pipe, buf, count, &done);
-	mutex_unlock(&vstdev->lock);
-	if (retval) {
-		usb_unanchor_urb(urb);
-		dev_err(&dev->dev, "%s: error %d filling and sending urb %d\n",
-			__func__, retval, pipe);
-		goto exit;
-	}
-
-	retval = vstusb_complete_urb(urb, &done, timeout, &cnt);
-	if (retval) {
-		dev_err(&dev->dev, "%s: error %d completing urb %d\n",
-			__func__, retval, pipe);
-		goto exit;
-	}
-
-	if (copy_to_user(buffer, buf, cnt)) {
-		dev_err(&dev->dev, "%s: can't copy_to_user\n", __func__);
-		retval = -EFAULT;
-	} else {
-		retval = cnt;
-		dev_dbg(&dev->dev, "%s: read %d bytes from pipe %d\n",
-			__func__, cnt, pipe);
-	}
-
-exit:
-	usb_free_urb(urb);
-	kfree(buf);
-	return retval;
-}
-
-static ssize_t vstusb_write(struct file *file, const char __user *buffer,
-			    size_t count, loff_t *ppos)
-{
-	struct vstusb_device *vstdev;
-	int cnt = -1;
-	void *buf;
-	int retval = 0;
-
-	struct urb              *urb;
-	struct usb_device       *dev;
-	unsigned int            pipe;
-	int                     timeout;
-
-	DECLARE_COMPLETION_ONSTACK(done);
-
-	vstdev = file->private_data;
-
-	if (vstdev == NULL)
-		return -ENODEV;
-
-	/* verify that we actually have some data to write */
-	if ((count == 0) || (count > VST_MAXBUFFER))
-		return retval;
-
-	/* lock this object */
-	if (mutex_lock_interruptible(&vstdev->lock))
-		return -ERESTARTSYS;
-
-	/* anyone home */
-	if (!vstdev->present) {
-		mutex_unlock(&vstdev->lock);
-		printk(KERN_ERR KBUILD_MODNAME
-		       ": %s: device not present\n", __func__);
-		return -ENODEV;
-	}
-
-	/* pull out the necessary data */
-	dev =     vstdev->usb_dev;
-	pipe =    usb_sndbulkpipe(dev, vstdev->wr_pipe);
-	timeout = vstdev->wr_timeout_ms;
-
-	buf = kmalloc(count, GFP_KERNEL);
-	if (buf == NULL) {
-		mutex_unlock(&vstdev->lock);
-		return -ENOMEM;
-	}
-
-	urb = usb_alloc_urb(0, GFP_KERNEL);
-	if (!urb) {
-		kfree(buf);
-		mutex_unlock(&vstdev->lock);
-		return -ENOMEM;
-	}
-
-	if (copy_from_user(buf, buffer, count)) {
-		mutex_unlock(&vstdev->lock);
-		dev_err(&dev->dev, "%s: can't copy_from_user\n", __func__);
-		retval = -EFAULT;
-		goto exit;
-	}
-
-	usb_anchor_urb(urb, &vstdev->submitted);
-	retval = vstusb_fill_and_send_urb(urb, dev, pipe, buf, count, &done);
-	mutex_unlock(&vstdev->lock);
-	if (retval) {
-		usb_unanchor_urb(urb);
-		dev_err(&dev->dev, "%s: error %d filling and sending urb %d\n",
-			__func__, retval, pipe);
-		goto exit;
-	}
-
-	retval = vstusb_complete_urb(urb, &done, timeout, &cnt);
-	if (retval) {
-		dev_err(&dev->dev, "%s: error %d completing urb %d\n",
-			__func__, retval, pipe);
-		goto exit;
-	} else {
-		retval = cnt;
-		dev_dbg(&dev->dev, "%s: sent %d bytes to pipe %d\n",
-			__func__, cnt, pipe);
-	}
-
-exit:
-	usb_free_urb(urb);
-	kfree(buf);
-	return retval;
-}
-
-static long vstusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
-	int retval = 0;
-	int cnt = -1;
-	void __user *data = (void __user *)arg;
-	struct vstusb_args usb_data;
-
-	struct vstusb_device *vstdev;
-	void *buffer = NULL; /* must be initialized. buffer is
-			      *	referenced on exit but not all
-			      * ioctls allocate it */
-
-	struct urb              *urb = NULL; /* must be initialized. urb is
-					      *	referenced on exit but not all
-					      * ioctls allocate it */
-	struct usb_device       *dev;
-	unsigned int            pipe;
-	int                     timeout;
-
-	DECLARE_COMPLETION_ONSTACK(done);
-
-	vstdev = file->private_data;
-
-	if (_IOC_TYPE(cmd) != VST_IOC_MAGIC) {
-		dev_warn(&vstdev->usb_dev->dev,
-			 "%s: ioctl command %x, bad ioctl magic %x, "
-			 "expected %x\n", __func__, cmd,
-			 _IOC_TYPE(cmd), VST_IOC_MAGIC);
-		return -EINVAL;
-	}
-
-	if (vstdev == NULL)
-		return -ENODEV;
-
-	if (copy_from_user(&usb_data, data, sizeof(struct vstusb_args))) {
-		dev_err(&vstdev->usb_dev->dev, "%s: can't copy_from_user\n",
-			__func__);
-		return -EFAULT;
-	}
-
-	/* lock this object */
-	if (mutex_lock_interruptible(&vstdev->lock)) {
-		retval = -ERESTARTSYS;
-		goto exit;
-	}
-
-	/* anyone home */
-	if (!vstdev->present) {
-		mutex_unlock(&vstdev->lock);
-		dev_err(&vstdev->usb_dev->dev, "%s: device not present\n",
-			__func__);
-		retval = -ENODEV;
-		goto exit;
-	}
-
-	/* pull out the necessary data */
-	dev = vstdev->usb_dev;
-
-	switch (cmd) {
-
-	case IOCTL_VSTUSB_CONFIG_RW:
-
-		vstdev->rd_pipe = usb_data.rd_pipe;
-		vstdev->rd_timeout_ms = usb_data.rd_timeout_ms;
-		vstdev->wr_pipe = usb_data.wr_pipe;
-		vstdev->wr_timeout_ms = usb_data.wr_timeout_ms;
-
-		mutex_unlock(&vstdev->lock);
-
-		dev_dbg(&dev->dev, "%s: setting pipes/timeouts, "
-			"rdpipe = %d, rdtimeout = %d, "
-			"wrpipe = %d, wrtimeout = %d\n", __func__,
-			vstdev->rd_pipe, vstdev->rd_timeout_ms,
-			vstdev->wr_pipe, vstdev->wr_timeout_ms);
-		break;
-
-	case IOCTL_VSTUSB_SEND_PIPE:
-
-		if ((usb_data.count == 0) || (usb_data.count > VST_MAXBUFFER)) {
-			mutex_unlock(&vstdev->lock);
-			retval = -EINVAL;
-			goto exit;
-		}
-
-		buffer = kmalloc(usb_data.count, GFP_KERNEL);
-		if (buffer == NULL) {
-			mutex_unlock(&vstdev->lock);
-			retval = -ENOMEM;
-			goto exit;
-		}
-
-		urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (!urb) {
-			mutex_unlock(&vstdev->lock);
-			retval = -ENOMEM;
-			goto exit;
-		}
-
-		timeout = usb_data.timeout_ms;
-
-		pipe = usb_sndbulkpipe(dev, usb_data.pipe);
-
-		if (copy_from_user(buffer, usb_data.buffer, usb_data.count)) {
-			dev_err(&dev->dev, "%s: can't copy_from_user\n",
-				__func__);
-			mutex_unlock(&vstdev->lock);
-			retval = -EFAULT;
-			goto exit;
-		}
-
-		usb_anchor_urb(urb, &vstdev->submitted);
-		retval = vstusb_fill_and_send_urb(urb, dev, pipe, buffer,
-						  usb_data.count, &done);
-		mutex_unlock(&vstdev->lock);
-		if (retval) {
-			usb_unanchor_urb(urb);
-			dev_err(&dev->dev,
-				"%s: error %d filling and sending urb %d\n",
-				__func__, retval, pipe);
-			goto exit;
-		}
-
-		retval = vstusb_complete_urb(urb, &done, timeout, &cnt);
-		if (retval) {
-			dev_err(&dev->dev, "%s: error %d completing urb %d\n",
-				__func__, retval, pipe);
-		}
-
-		break;
-	case IOCTL_VSTUSB_RECV_PIPE:
-
-		if ((usb_data.count == 0) || (usb_data.count > VST_MAXBUFFER)) {
-			mutex_unlock(&vstdev->lock);
-			retval = -EINVAL;
-			goto exit;
-		}
-
-		buffer = kmalloc(usb_data.count, GFP_KERNEL);
-		if (buffer == NULL) {
-			mutex_unlock(&vstdev->lock);
-			retval = -ENOMEM;
-			goto exit;
-		}
-
-		urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (!urb) {
-			mutex_unlock(&vstdev->lock);
-			retval = -ENOMEM;
-			goto exit;
-		}
-
-		timeout = usb_data.timeout_ms;
-
-		pipe = usb_rcvbulkpipe(dev, usb_data.pipe);
-
-		usb_anchor_urb(urb, &vstdev->submitted);
-		retval = vstusb_fill_and_send_urb(urb, dev, pipe, buffer,
-						  usb_data.count, &done);
-		mutex_unlock(&vstdev->lock);
-		if (retval) {
-			usb_unanchor_urb(urb);
-			dev_err(&dev->dev,
-				"%s: error %d filling and sending urb %d\n",
-				__func__, retval, pipe);
-			goto exit;
-		}
-
-		retval = vstusb_complete_urb(urb, &done, timeout, &cnt);
-		if (retval) {
-			dev_err(&dev->dev, "%s: error %d completing urb %d\n",
-				__func__, retval, pipe);
-			goto exit;
-		}
-
-		if (copy_to_user(usb_data.buffer, buffer, cnt)) {
-			dev_err(&dev->dev, "%s: can't copy_to_user\n",
-				__func__);
-			retval = -EFAULT;
-			goto exit;
-		}
-
-		usb_data.count = cnt;
-		if (copy_to_user(data, &usb_data, sizeof(struct vstusb_args))) {
-			dev_err(&dev->dev, "%s: can't copy_to_user\n",
-				__func__);
-			retval = -EFAULT;
-		} else {
-			dev_dbg(&dev->dev, "%s: recv %zd bytes from pipe %d\n",
-				__func__, usb_data.count, usb_data.pipe);
-		}
-
-		break;
-
-	default:
-		mutex_unlock(&vstdev->lock);
-		dev_warn(&dev->dev, "ioctl_vstusb: invalid ioctl cmd %x\n",
-			 cmd);
-		return -EINVAL;
-		break;
-	}
-exit:
-	usb_free_urb(urb);
-	kfree(buffer);
-	return retval;
-}
-
-static const struct file_operations vstusb_fops = {
-	.owner =                THIS_MODULE,
-	.read =                 vstusb_read,
-	.write =                vstusb_write,
-	.unlocked_ioctl =       vstusb_ioctl,
-	.compat_ioctl =         vstusb_ioctl,
-	.open =                 vstusb_open,
-	.release =              vstusb_release,
-};
-
-static struct usb_class_driver usb_vstusb_class = {
-	.name =         "usb/vstusb%d",
-	.fops =         &vstusb_fops,
-	.minor_base =   VSTUSB_MINOR_BASE,
-};
-
-static int vstusb_probe(struct usb_interface *intf,
-			const struct usb_device_id *id)
-{
-	struct usb_device *dev = interface_to_usbdev(intf);
-	struct vstusb_device *vstdev;
-	int i;
-	int retval = 0;
-
-	/* allocate memory for our device state and intialize it */
-
-	vstdev = kzalloc(sizeof(*vstdev), GFP_KERNEL);
-	if (vstdev == NULL)
-		return -ENOMEM;
-
-	/* must do usb_get_dev() prior to kref_init() since the kref_put()
-	 * release function will do a usb_put_dev() */
-	usb_get_dev(dev);
-	kref_init(&vstdev->kref);
-	mutex_init(&vstdev->lock);
-
-	i = dev->descriptor.bcdDevice;
-
-	dev_dbg(&intf->dev, "Version %1d%1d.%1d%1d found at address %d\n",
-		(i & 0xF000) >> 12, (i & 0xF00) >> 8,
-		(i & 0xF0) >> 4, (i & 0xF), dev->devnum);
-
-	vstdev->present = 1;
-	vstdev->isopen = 0;
-	vstdev->usb_dev = dev;
-	init_usb_anchor(&vstdev->submitted);
-
-	usb_set_intfdata(intf, vstdev);
-	retval = usb_register_dev(intf, &usb_vstusb_class);
-	if (retval) {
-		dev_err(&intf->dev,
-			"%s: Not able to get a minor for this device.\n",
-			__func__);
-		usb_set_intfdata(intf, NULL);
-		kref_put(&vstdev->kref, vstusb_delete);
-		return retval;
-	}
-
-	/* let the user know what node this device is now attached to */
-	dev_info(&intf->dev,
-		 "VST USB Device #%d now attached to major %d minor %d\n",
-		 (intf->minor - VSTUSB_MINOR_BASE), USB_MAJOR, intf->minor);
-
-	dev_info(&intf->dev, "%s, %s\n", DRIVER_DESC, DRIVER_VERSION);
-
-	return retval;
-}
-
-static void vstusb_disconnect(struct usb_interface *intf)
-{
-	struct vstusb_device *vstdev = usb_get_intfdata(intf);
-
-	usb_deregister_dev(intf, &usb_vstusb_class);
-	usb_set_intfdata(intf, NULL);
-
-	if (vstdev) {
-
-		mutex_lock(&vstdev->lock);
-		vstdev->present = 0;
-
-		usb_kill_anchored_urbs(&vstdev->submitted);
-
-		mutex_unlock(&vstdev->lock);
-
-		kref_put(&vstdev->kref, vstusb_delete);
-	}
-
-}
-
-static int vstusb_suspend(struct usb_interface *intf, pm_message_t message)
-{
-	struct vstusb_device *vstdev = usb_get_intfdata(intf);
-	int time;
-	if (!vstdev)
-		return 0;
-
-	mutex_lock(&vstdev->lock);
-	time = usb_wait_anchor_empty_timeout(&vstdev->submitted, 1000);
-	if (!time)
-		usb_kill_anchored_urbs(&vstdev->submitted);
-	mutex_unlock(&vstdev->lock);
-
-	return 0;
-}
-
-static int vstusb_resume(struct usb_interface *intf)
-{
-	return 0;
-}
-
-static struct usb_driver vstusb_driver = {
-	.name =         "vstusb",
-	.probe =        vstusb_probe,
-	.disconnect =   vstusb_disconnect,
-	.suspend =      vstusb_suspend,
-	.resume =       vstusb_resume,
-	.id_table = id_table,
-};
-
-static int __init vstusb_init(void)
-{
-	int rc;
-
-	rc = usb_register(&vstusb_driver);
-	if (rc)
-		printk(KERN_ERR "%s: failed to register (%d)", __func__, rc);
-
-	return rc;
-}
-
-static void __exit vstusb_exit(void)
-{
-	usb_deregister(&vstusb_driver);
-}
-
-module_init(vstusb_init);
-module_exit(vstusb_exit);
-
-MODULE_AUTHOR("Dennis O'Brien/Stephen Ware");
-MODULE_DESCRIPTION(DRIVER_VERSION);
-MODULE_LICENSE("GPL");
diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
index 385ec0520167..6dd44bc1f5ff 100644
--- a/drivers/usb/mon/mon_bin.c
+++ b/drivers/usb/mon/mon_bin.c
@@ -460,8 +460,8 @@ static void mon_bin_event(struct mon_reader_bin *rp, struct urb *urb,
     char ev_type, int status)
 {
 	const struct usb_endpoint_descriptor *epd = &urb->ep->desc;
-	unsigned long flags;
 	struct timeval ts;
+	unsigned long flags;
 	unsigned int urb_length;
 	unsigned int offset;
 	unsigned int length;
@@ -600,10 +600,13 @@ static void mon_bin_complete(void *data, struct urb *urb, int status)
 static void mon_bin_error(void *data, struct urb *urb, int error)
 {
 	struct mon_reader_bin *rp = data;
+	struct timeval ts;
 	unsigned long flags;
 	unsigned int offset;
 	struct mon_bin_hdr *ep;
 
+	do_gettimeofday(&ts);
+
 	spin_lock_irqsave(&rp->b_lock, flags);
 
 	offset = mon_buff_area_alloc(rp, PKT_SIZE);
@@ -623,6 +626,8 @@ static void mon_bin_error(void *data, struct urb *urb, int error)
 	ep->devnum = urb->dev->devnum;
 	ep->busnum = urb->dev->bus->busnum;
 	ep->id = (unsigned long) urb;
+	ep->ts_sec = ts.tv_sec;
+	ep->ts_usec = ts.tv_usec;
 	ep->status = error;
 
 	ep->flag_setup = '-';
diff --git a/drivers/usb/mon/mon_text.c b/drivers/usb/mon/mon_text.c
index 047568ff223d..31c11888ec6a 100644
--- a/drivers/usb/mon/mon_text.c
+++ b/drivers/usb/mon/mon_text.c
@@ -180,7 +180,7 @@ static inline unsigned int mon_get_timestamp(void)
 	unsigned int stamp;
 
 	do_gettimeofday(&tval);
-	stamp = tval.tv_sec & 0xFFFF;	/* 2^32 = 4294967296. Limit to 4096s. */
+	stamp = tval.tv_sec & 0xFFF;	/* 2^32 = 4294967296. Limit to 4096s. */
 	stamp = stamp * 1000000 + tval.tv_usec;
 	return stamp;
 }
@@ -273,12 +273,12 @@ static void mon_text_error(void *data, struct urb *urb, int error)
 
 	ep->type = 'E';
 	ep->id = (unsigned long) urb;
-	ep->busnum = 0;
+	ep->busnum = urb->dev->bus->busnum;
 	ep->devnum = urb->dev->devnum;
 	ep->epnum = usb_endpoint_num(&urb->ep->desc);
 	ep->xfertype = usb_endpoint_type(&urb->ep->desc);
 	ep->is_in = usb_urb_dir_in(urb);
-	ep->tstamp = 0;
+	ep->tstamp = mon_get_timestamp();
 	ep->length = 0;
 	ep->status = error;
 
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index ad26e6569665..bcee1339d4fd 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -30,7 +30,6 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src)
 	void __iomem *fifo = hw_ep->fifo;
 	void __iomem *epio = hw_ep->regs;
 	u8 epnum = hw_ep->epnum;
-	u16 dma_reg = 0;
 
 	prefetch((u8 *)src);
 
@@ -42,15 +41,17 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src)
 	dump_fifo_data(src, len);
 
 	if (!ANOMALY_05000380 && epnum != 0) {
-		flush_dcache_range((unsigned int)src,
-			(unsigned int)(src + len));
+		u16 dma_reg;
+
+		flush_dcache_range((unsigned long)src,
+			(unsigned long)(src + len));
 
 		/* Setup DMA address register */
-		dma_reg = (u16) ((u32) src & 0xFFFF);
+		dma_reg = (u32)src;
 		bfin_write16(USB_DMA_REG(epnum, USB_DMAx_ADDR_LOW), dma_reg);
 		SSYNC();
 
-		dma_reg = (u16) (((u32) src >> 16) & 0xFFFF);
+		dma_reg = (u32)src >> 16;
 		bfin_write16(USB_DMA_REG(epnum, USB_DMAx_ADDR_HIGH), dma_reg);
 		SSYNC();
 
@@ -79,12 +80,9 @@ void musb_write_fifo(struct musb_hw_ep *hw_ep, u16 len, const u8 *src)
 		SSYNC();
 
 		if (unlikely((unsigned long)src & 0x01))
-			outsw_8((unsigned long)fifo, src,
-				len & 0x01 ? (len >> 1) + 1 : len >> 1);
+			outsw_8((unsigned long)fifo, src, (len + 1) >> 1);
 		else
-			outsw((unsigned long)fifo, src,
-				len & 0x01 ? (len >> 1) + 1 : len >> 1);
-
+			outsw((unsigned long)fifo, src, (len + 1) >> 1);
 	}
 }
 /*
@@ -94,19 +92,19 @@ void musb_read_fifo(struct musb_hw_ep *hw_ep, u16 len, u8 *dst)
 {
 	void __iomem *fifo = hw_ep->fifo;
 	u8 epnum = hw_ep->epnum;
-	u16 dma_reg = 0;
 
 	if (ANOMALY_05000467 && epnum != 0) {
+		u16 dma_reg;
 
-		invalidate_dcache_range((unsigned int)dst,
-			(unsigned int)(dst + len));
+		invalidate_dcache_range((unsigned long)dst,
+			(unsigned long)(dst + len));
 
 		/* Setup DMA address register */
-		dma_reg = (u16) ((u32) dst & 0xFFFF);
+		dma_reg = (u32)dst;
 		bfin_write16(USB_DMA_REG(epnum, USB_DMAx_ADDR_LOW), dma_reg);
 		SSYNC();
 
-		dma_reg = (u16) (((u32) dst >> 16) & 0xFFFF);
+		dma_reg = (u32)dst >> 16;
 		bfin_write16(USB_DMA_REG(epnum, USB_DMAx_ADDR_HIGH), dma_reg);
 		SSYNC();
 
diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c
index a44a450c860d..3c69a76ec392 100644
--- a/drivers/usb/musb/cppi_dma.c
+++ b/drivers/usb/musb/cppi_dma.c
@@ -1191,8 +1191,13 @@ irqreturn_t cppi_interrupt(int irq, void *dev_id)
 
 		bd = tx_ch->head;
 
+		/*
+		 * If Head is null then this could mean that a abort interrupt
+		 * that needs to be acknowledged.
+		 */
 		if (NULL == bd) {
 			DBG(1, "null BD\n");
+			tx_ram->tx_complete = 0;
 			continue;
 		}
 
@@ -1412,15 +1417,6 @@ static int cppi_channel_abort(struct dma_channel *channel)
 
 	if (cppi_ch->transmit) {
 		struct cppi_tx_stateram __iomem *tx_ram;
-		int			enabled;
-
-		/* mask interrupts raised to signal teardown complete.  */
-		enabled = musb_readl(tibase, DAVINCI_TXCPPI_INTENAB_REG)
-				& (1 << cppi_ch->index);
-		if (enabled)
-			musb_writel(tibase, DAVINCI_TXCPPI_INTCLR_REG,
-					(1 << cppi_ch->index));
-
 		/* REVISIT put timeouts on these controller handshakes */
 
 		cppi_dump_tx(6, cppi_ch, " (teardown)");
@@ -1435,7 +1431,6 @@ static int cppi_channel_abort(struct dma_channel *channel)
 		do {
 			value = musb_readl(&tx_ram->tx_complete, 0);
 		} while (0xFFFFFFFC != value);
-		musb_writel(&tx_ram->tx_complete, 0, 0xFFFFFFFC);
 
 		/* FIXME clean up the transfer state ... here?
 		 * the completion routine should get called with
@@ -1448,23 +1443,15 @@ static int cppi_channel_abort(struct dma_channel *channel)
 		musb_writew(regs, MUSB_TXCSR, value);
 		musb_writew(regs, MUSB_TXCSR, value);
 
-		/* While we scrub the TX state RAM, ensure that we clean
-		 * up any interrupt that's currently asserted:
+		/*
 		 * 1. Write to completion Ptr value 0x1(bit 0 set)
 		 *    (write back mode)
-		 * 2. Write to completion Ptr value 0x0(bit 0 cleared)
-		 *    (compare mode)
-		 * Value written is compared(for bits 31:2) and when
-		 * equal, interrupt is deasserted.
+		 * 2. Wait for abort interrupt and then put the channel in
+		 *    compare mode by writing 1 to the tx_complete register.
 		 */
 		cppi_reset_tx(tx_ram, 1);
-		musb_writel(&tx_ram->tx_complete, 0, 0);
-
-		/* re-enable interrupt */
-		if (enabled)
-			musb_writel(tibase, DAVINCI_TXCPPI_INTENAB_REG,
-					(1 << cppi_ch->index));
-
+		cppi_ch->head = 0;
+		musb_writel(&tx_ram->tx_complete, 0, 1);
 		cppi_dump_tx(5, cppi_ch, " (done teardown)");
 
 		/* REVISIT tx side _should_ clean up the same way
diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c
index 66913811af5e..a883f9dd3f8a 100644
--- a/drivers/usb/musb/davinci.c
+++ b/drivers/usb/musb/davinci.c
@@ -274,7 +274,7 @@ static irqreturn_t davinci_interrupt(int irq, void *__hci)
 	/* NOTE: DaVinci shadows the Mentor IRQs.  Don't manage them through
 	 * the Mentor registers (except for setup), use the TI ones and EOI.
 	 *
-	 * Docs describe irq "vector" registers asociated with the CPPI and
+	 * Docs describe irq "vector" registers associated with the CPPI and
 	 * USB EOI registers.  These hold a bitmask corresponding to the
 	 * current IRQ, not an irq handler address.  Would using those bits
 	 * resolve some of the races observed in this dispatch code??
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 738efd8063b5..0e8b8ab1d168 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -379,7 +379,6 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 				u8 devctl, u8 power)
 {
 	irqreturn_t handled = IRQ_NONE;
-	void __iomem *mbase = musb->mregs;
 
 	DBG(3, "<== Power=%02x, DevCtl=%02x, int_usb=0x%x\n", power, devctl,
 		int_usb);
@@ -394,6 +393,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 
 		if (devctl & MUSB_DEVCTL_HM) {
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
+			void __iomem *mbase = musb->mregs;
+
 			switch (musb->xceiv->state) {
 			case OTG_STATE_A_SUSPEND:
 				/* remote wakeup?  later, GetPortStatus
@@ -471,6 +472,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 #ifdef CONFIG_USB_MUSB_HDRC_HCD
 	/* see manual for the order of the tests */
 	if (int_usb & MUSB_INTR_SESSREQ) {
+		void __iomem *mbase = musb->mregs;
+
 		DBG(1, "SESSION_REQUEST (%s)\n", otg_state_string(musb));
 
 		/* IRQ arrives from ID pin sense or (later, if VBUS power
@@ -519,6 +522,8 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 		case OTG_STATE_A_WAIT_BCON:
 		case OTG_STATE_A_WAIT_VRISE:
 			if (musb->vbuserr_retry) {
+				void __iomem *mbase = musb->mregs;
+
 				musb->vbuserr_retry--;
 				ignore = 1;
 				devctl |= MUSB_DEVCTL_SESSION;
@@ -557,8 +562,72 @@ static irqreturn_t musb_stage0_irq(struct musb *musb, u8 int_usb,
 		handled = IRQ_HANDLED;
 	}
 
+
+	if (int_usb & MUSB_INTR_SUSPEND) {
+		DBG(1, "SUSPEND (%s) devctl %02x power %02x\n",
+				otg_state_string(musb), devctl, power);
+		handled = IRQ_HANDLED;
+
+		switch (musb->xceiv->state) {
+#ifdef	CONFIG_USB_MUSB_OTG
+		case OTG_STATE_A_PERIPHERAL:
+			/* We also come here if the cable is removed, since
+			 * this silicon doesn't report ID-no-longer-grounded.
+			 *
+			 * We depend on T(a_wait_bcon) to shut us down, and
+			 * hope users don't do anything dicey during this
+			 * undesired detour through A_WAIT_BCON.
+			 */
+			musb_hnp_stop(musb);
+			usb_hcd_resume_root_hub(musb_to_hcd(musb));
+			musb_root_disconnect(musb);
+			musb_platform_try_idle(musb, jiffies
+					+ msecs_to_jiffies(musb->a_wait_bcon
+						? : OTG_TIME_A_WAIT_BCON));
+
+			break;
+#endif
+		case OTG_STATE_B_IDLE:
+			if (!musb->is_active)
+				break;
+		case OTG_STATE_B_PERIPHERAL:
+			musb_g_suspend(musb);
+			musb->is_active = is_otg_enabled(musb)
+					&& musb->xceiv->gadget->b_hnp_enable;
+			if (musb->is_active) {
+#ifdef	CONFIG_USB_MUSB_OTG
+				musb->xceiv->state = OTG_STATE_B_WAIT_ACON;
+				DBG(1, "HNP: Setting timer for b_ase0_brst\n");
+				mod_timer(&musb->otg_timer, jiffies
+					+ msecs_to_jiffies(
+							OTG_TIME_B_ASE0_BRST));
+#endif
+			}
+			break;
+		case OTG_STATE_A_WAIT_BCON:
+			if (musb->a_wait_bcon != 0)
+				musb_platform_try_idle(musb, jiffies
+					+ msecs_to_jiffies(musb->a_wait_bcon));
+			break;
+		case OTG_STATE_A_HOST:
+			musb->xceiv->state = OTG_STATE_A_SUSPEND;
+			musb->is_active = is_otg_enabled(musb)
+					&& musb->xceiv->host->b_hnp_enable;
+			break;
+		case OTG_STATE_B_HOST:
+			/* Transition to B_PERIPHERAL, see 6.8.2.6 p 44 */
+			DBG(1, "REVISIT: SUSPEND as B_HOST\n");
+			break;
+		default:
+			/* "should not happen" */
+			musb->is_active = 0;
+			break;
+		}
+	}
+
 	if (int_usb & MUSB_INTR_CONNECT) {
 		struct usb_hcd *hcd = musb_to_hcd(musb);
+		void __iomem *mbase = musb->mregs;
 
 		handled = IRQ_HANDLED;
 		musb->is_active = 1;
@@ -625,10 +694,61 @@ b_host:
 	}
 #endif	/* CONFIG_USB_MUSB_HDRC_HCD */
 
+	if ((int_usb & MUSB_INTR_DISCONNECT) && !musb->ignore_disconnect) {
+		DBG(1, "DISCONNECT (%s) as %s, devctl %02x\n",
+				otg_state_string(musb),
+				MUSB_MODE(musb), devctl);
+		handled = IRQ_HANDLED;
+
+		switch (musb->xceiv->state) {
+#ifdef CONFIG_USB_MUSB_HDRC_HCD
+		case OTG_STATE_A_HOST:
+		case OTG_STATE_A_SUSPEND:
+			usb_hcd_resume_root_hub(musb_to_hcd(musb));
+			musb_root_disconnect(musb);
+			if (musb->a_wait_bcon != 0 && is_otg_enabled(musb))
+				musb_platform_try_idle(musb, jiffies
+					+ msecs_to_jiffies(musb->a_wait_bcon));
+			break;
+#endif	/* HOST */
+#ifdef CONFIG_USB_MUSB_OTG
+		case OTG_STATE_B_HOST:
+			/* REVISIT this behaves for "real disconnect"
+			 * cases; make sure the other transitions from
+			 * from B_HOST act right too.  The B_HOST code
+			 * in hnp_stop() is currently not used...
+			 */
+			musb_root_disconnect(musb);
+			musb_to_hcd(musb)->self.is_b_host = 0;
+			musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
+			MUSB_DEV_MODE(musb);
+			musb_g_disconnect(musb);
+			break;
+		case OTG_STATE_A_PERIPHERAL:
+			musb_hnp_stop(musb);
+			musb_root_disconnect(musb);
+			/* FALLTHROUGH */
+		case OTG_STATE_B_WAIT_ACON:
+			/* FALLTHROUGH */
+#endif	/* OTG */
+#ifdef CONFIG_USB_GADGET_MUSB_HDRC
+		case OTG_STATE_B_PERIPHERAL:
+		case OTG_STATE_B_IDLE:
+			musb_g_disconnect(musb);
+			break;
+#endif	/* GADGET */
+		default:
+			WARNING("unhandled DISCONNECT transition (%s)\n",
+				otg_state_string(musb));
+			break;
+		}
+	}
+
 	/* mentor saves a bit: bus reset and babble share the same irq.
 	 * only host sees babble; only peripheral sees bus reset.
 	 */
 	if (int_usb & MUSB_INTR_RESET) {
+		handled = IRQ_HANDLED;
 		if (is_host_capable() && (devctl & MUSB_DEVCTL_HM) != 0) {
 			/*
 			 * Looks like non-HS BABBLE can be ignored, but
@@ -641,7 +761,7 @@ b_host:
 				DBG(1, "BABBLE devctl: %02x\n", devctl);
 			else {
 				ERR("Stopping host session -- babble\n");
-				musb_writeb(mbase, MUSB_DEVCTL, 0);
+				musb_writeb(musb->mregs, MUSB_DEVCTL, 0);
 			}
 		} else if (is_peripheral_capable()) {
 			DBG(1, "BUS RESET as %s\n", otg_state_string(musb));
@@ -686,29 +806,7 @@ b_host:
 					otg_state_string(musb));
 			}
 		}
-
-		handled = IRQ_HANDLED;
 	}
-	schedule_work(&musb->irq_work);
-
-	return handled;
-}
-
-/*
- * Interrupt Service Routine to record USB "global" interrupts.
- * Since these do not happen often and signify things of
- * paramount importance, it seems OK to check them individually;
- * the order of the tests is specified in the manual
- *
- * @param musb instance pointer
- * @param int_usb register contents
- * @param devctl
- * @param power
- */
-static irqreturn_t musb_stage2_irq(struct musb *musb, u8 int_usb,
-				u8 devctl, u8 power)
-{
-	irqreturn_t handled = IRQ_NONE;
 
 #if 0
 /* REVISIT ... this would be for multiplexing periodic endpoints, or
@@ -755,117 +853,7 @@ static irqreturn_t musb_stage2_irq(struct musb *musb, u8 int_usb,
 	}
 #endif
 
-	if ((int_usb & MUSB_INTR_DISCONNECT) && !musb->ignore_disconnect) {
-		DBG(1, "DISCONNECT (%s) as %s, devctl %02x\n",
-				otg_state_string(musb),
-				MUSB_MODE(musb), devctl);
-		handled = IRQ_HANDLED;
-
-		switch (musb->xceiv->state) {
-#ifdef CONFIG_USB_MUSB_HDRC_HCD
-		case OTG_STATE_A_HOST:
-		case OTG_STATE_A_SUSPEND:
-			usb_hcd_resume_root_hub(musb_to_hcd(musb));
-			musb_root_disconnect(musb);
-			if (musb->a_wait_bcon != 0 && is_otg_enabled(musb))
-				musb_platform_try_idle(musb, jiffies
-					+ msecs_to_jiffies(musb->a_wait_bcon));
-			break;
-#endif	/* HOST */
-#ifdef CONFIG_USB_MUSB_OTG
-		case OTG_STATE_B_HOST:
-			/* REVISIT this behaves for "real disconnect"
-			 * cases; make sure the other transitions from
-			 * from B_HOST act right too.  The B_HOST code
-			 * in hnp_stop() is currently not used...
-			 */
-			musb_root_disconnect(musb);
-			musb_to_hcd(musb)->self.is_b_host = 0;
-			musb->xceiv->state = OTG_STATE_B_PERIPHERAL;
-			MUSB_DEV_MODE(musb);
-			musb_g_disconnect(musb);
-			break;
-		case OTG_STATE_A_PERIPHERAL:
-			musb_hnp_stop(musb);
-			musb_root_disconnect(musb);
-			/* FALLTHROUGH */
-		case OTG_STATE_B_WAIT_ACON:
-			/* FALLTHROUGH */
-#endif	/* OTG */
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
-		case OTG_STATE_B_PERIPHERAL:
-		case OTG_STATE_B_IDLE:
-			musb_g_disconnect(musb);
-			break;
-#endif	/* GADGET */
-		default:
-			WARNING("unhandled DISCONNECT transition (%s)\n",
-				otg_state_string(musb));
-			break;
-		}
-
-		schedule_work(&musb->irq_work);
-	}
-
-	if (int_usb & MUSB_INTR_SUSPEND) {
-		DBG(1, "SUSPEND (%s) devctl %02x power %02x\n",
-				otg_state_string(musb), devctl, power);
-		handled = IRQ_HANDLED;
-
-		switch (musb->xceiv->state) {
-#ifdef	CONFIG_USB_MUSB_OTG
-		case OTG_STATE_A_PERIPHERAL:
-			/* We also come here if the cable is removed, since
-			 * this silicon doesn't report ID-no-longer-grounded.
-			 *
-			 * We depend on T(a_wait_bcon) to shut us down, and
-			 * hope users don't do anything dicey during this
-			 * undesired detour through A_WAIT_BCON.
-			 */
-			musb_hnp_stop(musb);
-			usb_hcd_resume_root_hub(musb_to_hcd(musb));
-			musb_root_disconnect(musb);
-			musb_platform_try_idle(musb, jiffies
-					+ msecs_to_jiffies(musb->a_wait_bcon
-						? : OTG_TIME_A_WAIT_BCON));
-			break;
-#endif
-		case OTG_STATE_B_PERIPHERAL:
-			musb_g_suspend(musb);
-			musb->is_active = is_otg_enabled(musb)
-					&& musb->xceiv->gadget->b_hnp_enable;
-			if (musb->is_active) {
-#ifdef	CONFIG_USB_MUSB_OTG
-				musb->xceiv->state = OTG_STATE_B_WAIT_ACON;
-				DBG(1, "HNP: Setting timer for b_ase0_brst\n");
-				mod_timer(&musb->otg_timer, jiffies
-					+ msecs_to_jiffies(
-							OTG_TIME_B_ASE0_BRST));
-#endif
-			}
-			break;
-		case OTG_STATE_A_WAIT_BCON:
-			if (musb->a_wait_bcon != 0)
-				musb_platform_try_idle(musb, jiffies
-					+ msecs_to_jiffies(musb->a_wait_bcon));
-			break;
-		case OTG_STATE_A_HOST:
-			musb->xceiv->state = OTG_STATE_A_SUSPEND;
-			musb->is_active = is_otg_enabled(musb)
-					&& musb->xceiv->host->b_hnp_enable;
-			break;
-		case OTG_STATE_B_HOST:
-			/* Transition to B_PERIPHERAL, see 6.8.2.6 p 44 */
-			DBG(1, "REVISIT: SUSPEND as B_HOST\n");
-			break;
-		default:
-			/* "should not happen" */
-			musb->is_active = 0;
-			break;
-		}
-		schedule_work(&musb->irq_work);
-	}
-
+	schedule_work(&musb->irq_work);
 
 	return handled;
 }
@@ -1095,6 +1083,36 @@ static struct fifo_cfg __initdata mode_4_cfg[] = {
 { .hw_ep_num = 15, .style = FIFO_RXTX, .maxpacket = 1024, },
 };
 
+/* mode 5 - fits in 8KB */
+static struct fifo_cfg __initdata mode_5_cfg[] = {
+{ .hw_ep_num =  1, .style = FIFO_TX,   .maxpacket = 512, },
+{ .hw_ep_num =  1, .style = FIFO_RX,   .maxpacket = 512, },
+{ .hw_ep_num =  2, .style = FIFO_TX,   .maxpacket = 512, },
+{ .hw_ep_num =  2, .style = FIFO_RX,   .maxpacket = 512, },
+{ .hw_ep_num =  3, .style = FIFO_TX,   .maxpacket = 512, },
+{ .hw_ep_num =  3, .style = FIFO_RX,   .maxpacket = 512, },
+{ .hw_ep_num =  4, .style = FIFO_TX,   .maxpacket = 512, },
+{ .hw_ep_num =  4, .style = FIFO_RX,   .maxpacket = 512, },
+{ .hw_ep_num =  5, .style = FIFO_TX,   .maxpacket = 512, },
+{ .hw_ep_num =  5, .style = FIFO_RX,   .maxpacket = 512, },
+{ .hw_ep_num =  6, .style = FIFO_TX,   .maxpacket = 32, },
+{ .hw_ep_num =  6, .style = FIFO_RX,   .maxpacket = 32, },
+{ .hw_ep_num =  7, .style = FIFO_TX,   .maxpacket = 32, },
+{ .hw_ep_num =  7, .style = FIFO_RX,   .maxpacket = 32, },
+{ .hw_ep_num =  8, .style = FIFO_TX,   .maxpacket = 32, },
+{ .hw_ep_num =  8, .style = FIFO_RX,   .maxpacket = 32, },
+{ .hw_ep_num =  9, .style = FIFO_TX,   .maxpacket = 32, },
+{ .hw_ep_num =  9, .style = FIFO_RX,   .maxpacket = 32, },
+{ .hw_ep_num = 10, .style = FIFO_TX,   .maxpacket = 32, },
+{ .hw_ep_num = 10, .style = FIFO_RX,   .maxpacket = 32, },
+{ .hw_ep_num = 11, .style = FIFO_TX,   .maxpacket = 32, },
+{ .hw_ep_num = 11, .style = FIFO_RX,   .maxpacket = 32, },
+{ .hw_ep_num = 12, .style = FIFO_TX,   .maxpacket = 32, },
+{ .hw_ep_num = 12, .style = FIFO_RX,   .maxpacket = 32, },
+{ .hw_ep_num = 13, .style = FIFO_RXTX, .maxpacket = 512, },
+{ .hw_ep_num = 14, .style = FIFO_RXTX, .maxpacket = 1024, },
+{ .hw_ep_num = 15, .style = FIFO_RXTX, .maxpacket = 1024, },
+};
 
 /*
  * configure a fifo; for non-shared endpoints, this may be called
@@ -1210,6 +1228,10 @@ static int __init ep_config_from_table(struct musb *musb)
 		cfg = mode_4_cfg;
 		n = ARRAY_SIZE(mode_4_cfg);
 		break;
+	case 5:
+		cfg = mode_5_cfg;
+		n = ARRAY_SIZE(mode_5_cfg);
+		break;
 	}
 
 	printk(KERN_DEBUG "%s: setup fifo_mode %d\n",
@@ -1314,9 +1336,6 @@ enum { MUSB_CONTROLLER_MHDRC, MUSB_CONTROLLER_HDRC, };
  */
 static int __init musb_core_init(u16 musb_type, struct musb *musb)
 {
-#ifdef MUSB_AHB_ID
-	u32 data;
-#endif
 	u8 reg;
 	char *type;
 	char aInfo[90], aRevision[32], aDate[12];
@@ -1328,23 +1347,17 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
 	reg = musb_read_configdata(mbase);
 
 	strcpy(aInfo, (reg & MUSB_CONFIGDATA_UTMIDW) ? "UTMI-16" : "UTMI-8");
-	if (reg & MUSB_CONFIGDATA_DYNFIFO)
+	if (reg & MUSB_CONFIGDATA_DYNFIFO) {
 		strcat(aInfo, ", dyn FIFOs");
+		musb->dyn_fifo = true;
+	}
 	if (reg & MUSB_CONFIGDATA_MPRXE) {
 		strcat(aInfo, ", bulk combine");
-#ifdef C_MP_RX
 		musb->bulk_combine = true;
-#else
-		strcat(aInfo, " (X)");		/* no driver support */
-#endif
 	}
 	if (reg & MUSB_CONFIGDATA_MPTXE) {
 		strcat(aInfo, ", bulk split");
-#ifdef C_MP_TX
 		musb->bulk_split = true;
-#else
-		strcat(aInfo, " (X)");		/* no driver support */
-#endif
 	}
 	if (reg & MUSB_CONFIGDATA_HBRXE) {
 		strcat(aInfo, ", HB-ISO Rx");
@@ -1360,20 +1373,7 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
 	printk(KERN_DEBUG "%s: ConfigData=0x%02x (%s)\n",
 			musb_driver_name, reg, aInfo);
 
-#ifdef MUSB_AHB_ID
-	data = musb_readl(mbase, 0x404);
-	sprintf(aDate, "%04d-%02x-%02x", (data & 0xffff),
-		(data >> 16) & 0xff, (data >> 24) & 0xff);
-	/* FIXME ID2 and ID3 are unused */
-	data = musb_readl(mbase, 0x408);
-	printk(KERN_DEBUG "ID2=%lx\n", (long unsigned)data);
-	data = musb_readl(mbase, 0x40c);
-	printk(KERN_DEBUG "ID3=%lx\n", (long unsigned)data);
-	reg = musb_readb(mbase, 0x400);
-	musb_type = ('M' == reg) ? MUSB_CONTROLLER_MHDRC : MUSB_CONTROLLER_HDRC;
-#else
 	aDate[0] = 0;
-#endif
 	if (MUSB_CONTROLLER_MHDRC == musb_type) {
 		musb->is_multipoint = 1;
 		type = "M";
@@ -1404,21 +1404,10 @@ static int __init musb_core_init(u16 musb_type, struct musb *musb)
 	musb->nr_endpoints = 1;
 	musb->epmask = 1;
 
-	if (reg & MUSB_CONFIGDATA_DYNFIFO) {
-		if (musb->config->dyn_fifo)
-			status = ep_config_from_table(musb);
-		else {
-			ERR("reconfigure software for Dynamic FIFOs\n");
-			status = -ENODEV;
-		}
-	} else {
-		if (!musb->config->dyn_fifo)
-			status = ep_config_from_hw(musb);
-		else {
-			ERR("reconfigure software for static FIFOs\n");
-			return -ENODEV;
-		}
-	}
+	if (musb->dyn_fifo)
+		status = ep_config_from_table(musb);
+	else
+		status = ep_config_from_hw(musb);
 
 	if (status < 0)
 		return status;
@@ -1587,11 +1576,6 @@ irqreturn_t musb_interrupt(struct musb *musb)
 		ep_num++;
 	}
 
-	/* finish handling "global" interrupts after handling fifos */
-	if (musb->int_usb)
-		retval |= musb_stage2_irq(musb,
-				musb->int_usb, devctl, power);
-
 	return retval;
 }
 
@@ -1696,7 +1680,7 @@ musb_vbus_store(struct device *dev, struct device_attribute *attr,
 	unsigned long	val;
 
 	if (sscanf(buf, "%lu", &val) < 1) {
-		printk(KERN_ERR "Invalid VBUS timeout ms value\n");
+		dev_err(dev, "Invalid VBUS timeout ms value\n");
 		return -EINVAL;
 	}
 
@@ -1746,7 +1730,7 @@ musb_srp_store(struct device *dev, struct device_attribute *attr,
 
 	if (sscanf(buf, "%hu", &srp) != 1
 			|| (srp != 1)) {
-		printk(KERN_ERR "SRP: Value must be 1\n");
+		dev_err(dev, "SRP: Value must be 1\n");
 		return -EINVAL;
 	}
 
@@ -1759,6 +1743,19 @@ static DEVICE_ATTR(srp, 0644, NULL, musb_srp_store);
 
 #endif /* CONFIG_USB_GADGET_MUSB_HDRC */
 
+static struct attribute *musb_attributes[] = {
+	&dev_attr_mode.attr,
+	&dev_attr_vbus.attr,
+#ifdef CONFIG_USB_GADGET_MUSB_HDRC
+	&dev_attr_srp.attr,
+#endif
+	NULL
+};
+
+static const struct attribute_group musb_attr_group = {
+	.attrs = musb_attributes,
+};
+
 #endif	/* sysfs */
 
 /* Only used to provide driver mode change events */
@@ -1833,11 +1830,7 @@ static void musb_free(struct musb *musb)
 	 */
 
 #ifdef CONFIG_SYSFS
-	device_remove_file(musb->controller, &dev_attr_mode);
-	device_remove_file(musb->controller, &dev_attr_vbus);
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
-	device_remove_file(musb->controller, &dev_attr_srp);
-#endif
+	sysfs_remove_group(&musb->controller->kobj, &musb_attr_group);
 #endif
 
 #ifdef CONFIG_USB_GADGET_MUSB_HDRC
@@ -2017,19 +2010,6 @@ bad_config:
 		musb->irq_wake = 0;
 	}
 
-	pr_info("%s: USB %s mode controller at %p using %s, IRQ %d\n",
-			musb_driver_name,
-			({char *s;
-			switch (musb->board_mode) {
-			case MUSB_HOST:		s = "Host"; break;
-			case MUSB_PERIPHERAL:	s = "Peripheral"; break;
-			default:		s = "OTG"; break;
-			}; s; }),
-			ctrl,
-			(is_dma_capable() && musb->dma_controller)
-				? "DMA" : "PIO",
-			musb->nIrq);
-
 	/* host side needs more setup */
 	if (is_host_enabled(musb)) {
 		struct usb_hcd	*hcd = musb_to_hcd(musb);
@@ -2040,6 +2020,13 @@ bad_config:
 			hcd->self.otg_port = 1;
 		musb->xceiv->host = &hcd->self;
 		hcd->power_budget = 2 * (plat->power ? : 250);
+
+		/* program PHY to use external vBus if required */
+		if (plat->extvbus) {
+			u8 busctl = musb_read_ulpi_buscontrol(musb->mregs);
+			busctl |= MUSB_ULPI_USE_EXTVBUS;
+			musb_write_ulpi_buscontrol(musb->mregs, busctl);
+		}
 	}
 
 	/* For the host-only role, we can activate right away.
@@ -2079,26 +2066,26 @@ bad_config:
 	}
 
 #ifdef CONFIG_SYSFS
-	status = device_create_file(dev, &dev_attr_mode);
-	status = device_create_file(dev, &dev_attr_vbus);
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
-	status = device_create_file(dev, &dev_attr_srp);
-#endif /* CONFIG_USB_GADGET_MUSB_HDRC */
-	status = 0;
+	status = sysfs_create_group(&musb->controller->kobj, &musb_attr_group);
 #endif
 	if (status)
 		goto fail2;
 
+	dev_info(dev, "USB %s mode controller at %p using %s, IRQ %d\n",
+			({char *s;
+			 switch (musb->board_mode) {
+			 case MUSB_HOST:		s = "Host"; break;
+			 case MUSB_PERIPHERAL:	s = "Peripheral"; break;
+			 default:		s = "OTG"; break;
+			 }; s; }),
+			ctrl,
+			(is_dma_capable() && musb->dma_controller)
+			? "DMA" : "PIO",
+			musb->nIrq);
+
 	return 0;
 
 fail2:
-#ifdef CONFIG_SYSFS
-	device_remove_file(musb->controller, &dev_attr_mode);
-	device_remove_file(musb->controller, &dev_attr_vbus);
-#ifdef CONFIG_USB_GADGET_MUSB_HDRC
-	device_remove_file(musb->controller, &dev_attr_srp);
-#endif
-#endif
 	musb_platform_exit(musb);
 fail:
 	dev_err(musb->controller,
@@ -2127,6 +2114,7 @@ static int __init musb_probe(struct platform_device *pdev)
 {
 	struct device	*dev = &pdev->dev;
 	int		irq = platform_get_irq(pdev, 0);
+	int		status;
 	struct resource	*iomem;
 	void __iomem	*base;
 
@@ -2134,7 +2122,7 @@ static int __init musb_probe(struct platform_device *pdev)
 	if (!iomem || irq == 0)
 		return -ENODEV;
 
-	base = ioremap(iomem->start, iomem->end - iomem->start + 1);
+	base = ioremap(iomem->start, resource_size(iomem));
 	if (!base) {
 		dev_err(dev, "ioremap failed\n");
 		return -ENOMEM;
@@ -2144,7 +2132,12 @@ static int __init musb_probe(struct platform_device *pdev)
 	/* clobbered by use_dma=n */
 	orig_dma_mask = dev->dma_mask;
 #endif
-	return musb_init_controller(dev, irq, base);
+
+	status = musb_init_controller(dev, irq, base);
+	if (status < 0)
+		iounmap(base);
+
+	return status;
 }
 
 static int __exit musb_remove(struct platform_device *pdev)
@@ -2173,6 +2166,148 @@ static int __exit musb_remove(struct platform_device *pdev)
 
 #ifdef	CONFIG_PM
 
+static struct musb_context_registers musb_context;
+
+void musb_save_context(struct musb *musb)
+{
+	int i;
+	void __iomem *musb_base = musb->mregs;
+
+	if (is_host_enabled(musb)) {
+		musb_context.frame = musb_readw(musb_base, MUSB_FRAME);
+		musb_context.testmode = musb_readb(musb_base, MUSB_TESTMODE);
+	}
+	musb_context.power = musb_readb(musb_base, MUSB_POWER);
+	musb_context.intrtxe = musb_readw(musb_base, MUSB_INTRTXE);
+	musb_context.intrrxe = musb_readw(musb_base, MUSB_INTRRXE);
+	musb_context.intrusbe = musb_readb(musb_base, MUSB_INTRUSBE);
+	musb_context.index = musb_readb(musb_base, MUSB_INDEX);
+	musb_context.devctl = musb_readb(musb_base, MUSB_DEVCTL);
+
+	for (i = 0; i < MUSB_C_NUM_EPS; ++i) {
+		musb_writeb(musb_base, MUSB_INDEX, i);
+		musb_context.index_regs[i].txmaxp =
+			musb_readw(musb_base, 0x10 + MUSB_TXMAXP);
+		musb_context.index_regs[i].txcsr =
+			musb_readw(musb_base, 0x10 + MUSB_TXCSR);
+		musb_context.index_regs[i].rxmaxp =
+			musb_readw(musb_base, 0x10 + MUSB_RXMAXP);
+		musb_context.index_regs[i].rxcsr =
+			musb_readw(musb_base, 0x10 + MUSB_RXCSR);
+
+		if (musb->dyn_fifo) {
+			musb_context.index_regs[i].txfifoadd =
+					musb_read_txfifoadd(musb_base);
+			musb_context.index_regs[i].rxfifoadd =
+					musb_read_rxfifoadd(musb_base);
+			musb_context.index_regs[i].txfifosz =
+					musb_read_txfifosz(musb_base);
+			musb_context.index_regs[i].rxfifosz =
+					musb_read_rxfifosz(musb_base);
+		}
+		if (is_host_enabled(musb)) {
+			musb_context.index_regs[i].txtype =
+				musb_readb(musb_base, 0x10 + MUSB_TXTYPE);
+			musb_context.index_regs[i].txinterval =
+				musb_readb(musb_base, 0x10 + MUSB_TXINTERVAL);
+			musb_context.index_regs[i].rxtype =
+				musb_readb(musb_base, 0x10 + MUSB_RXTYPE);
+			musb_context.index_regs[i].rxinterval =
+				musb_readb(musb_base, 0x10 + MUSB_RXINTERVAL);
+
+			musb_context.index_regs[i].txfunaddr =
+				musb_read_txfunaddr(musb_base, i);
+			musb_context.index_regs[i].txhubaddr =
+				musb_read_txhubaddr(musb_base, i);
+			musb_context.index_regs[i].txhubport =
+				musb_read_txhubport(musb_base, i);
+
+			musb_context.index_regs[i].rxfunaddr =
+				musb_read_rxfunaddr(musb_base, i);
+			musb_context.index_regs[i].rxhubaddr =
+				musb_read_rxhubaddr(musb_base, i);
+			musb_context.index_regs[i].rxhubport =
+				musb_read_rxhubport(musb_base, i);
+		}
+	}
+
+	musb_writeb(musb_base, MUSB_INDEX, musb_context.index);
+
+	musb_platform_save_context(musb, &musb_context);
+}
+
+void musb_restore_context(struct musb *musb)
+{
+	int i;
+	void __iomem *musb_base = musb->mregs;
+	void __iomem *ep_target_regs;
+
+	musb_platform_restore_context(musb, &musb_context);
+
+	if (is_host_enabled(musb)) {
+		musb_writew(musb_base, MUSB_FRAME, musb_context.frame);
+		musb_writeb(musb_base, MUSB_TESTMODE, musb_context.testmode);
+	}
+	musb_writeb(musb_base, MUSB_POWER, musb_context.power);
+	musb_writew(musb_base, MUSB_INTRTXE, musb_context.intrtxe);
+	musb_writew(musb_base, MUSB_INTRRXE, musb_context.intrrxe);
+	musb_writeb(musb_base, MUSB_INTRUSBE, musb_context.intrusbe);
+	musb_writeb(musb_base, MUSB_DEVCTL, musb_context.devctl);
+
+	for (i = 0; i < MUSB_C_NUM_EPS; ++i) {
+		musb_writeb(musb_base, MUSB_INDEX, i);
+		musb_writew(musb_base, 0x10 + MUSB_TXMAXP,
+			musb_context.index_regs[i].txmaxp);
+		musb_writew(musb_base, 0x10 + MUSB_TXCSR,
+			musb_context.index_regs[i].txcsr);
+		musb_writew(musb_base, 0x10 + MUSB_RXMAXP,
+			musb_context.index_regs[i].rxmaxp);
+		musb_writew(musb_base, 0x10 + MUSB_RXCSR,
+			musb_context.index_regs[i].rxcsr);
+
+		if (musb->dyn_fifo) {
+			musb_write_txfifosz(musb_base,
+				musb_context.index_regs[i].txfifosz);
+			musb_write_rxfifosz(musb_base,
+				musb_context.index_regs[i].rxfifosz);
+			musb_write_txfifoadd(musb_base,
+				musb_context.index_regs[i].txfifoadd);
+			musb_write_rxfifoadd(musb_base,
+				musb_context.index_regs[i].rxfifoadd);
+		}
+
+		if (is_host_enabled(musb)) {
+			musb_writeb(musb_base, 0x10 + MUSB_TXTYPE,
+				musb_context.index_regs[i].txtype);
+			musb_writeb(musb_base, 0x10 + MUSB_TXINTERVAL,
+				musb_context.index_regs[i].txinterval);
+			musb_writeb(musb_base, 0x10 + MUSB_RXTYPE,
+				musb_context.index_regs[i].rxtype);
+			musb_writeb(musb_base, 0x10 + MUSB_RXINTERVAL,
+
+			musb_context.index_regs[i].rxinterval);
+			musb_write_txfunaddr(musb_base, i,
+				musb_context.index_regs[i].txfunaddr);
+			musb_write_txhubaddr(musb_base, i,
+				musb_context.index_regs[i].txhubaddr);
+			musb_write_txhubport(musb_base, i,
+				musb_context.index_regs[i].txhubport);
+
+			ep_target_regs =
+				musb_read_target_reg_base(i, musb_base);
+
+			musb_write_rxfunaddr(ep_target_regs,
+				musb_context.index_regs[i].rxfunaddr);
+			musb_write_rxhubaddr(ep_target_regs,
+				musb_context.index_regs[i].rxhubaddr);
+			musb_write_rxhubport(ep_target_regs,
+				musb_context.index_regs[i].rxhubport);
+		}
+	}
+
+	musb_writeb(musb_base, MUSB_INDEX, musb_context.index);
+}
+
 static int musb_suspend(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
@@ -2194,6 +2329,8 @@ static int musb_suspend(struct device *dev)
 		 */
 	}
 
+	musb_save_context(musb);
+
 	if (musb->set_clock)
 		musb->set_clock(musb->clock, 0);
 	else
@@ -2215,6 +2352,8 @@ static int musb_resume_noirq(struct device *dev)
 	else
 		clk_enable(musb->clock);
 
+	musb_restore_context(musb);
+
 	/* for static cmos like DaVinci, register values were preserved
 	 * unless for some reason the whole soc powered down or the USB
 	 * module got reset through the PSC (vs just being disabled).
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 5514c7ee85bd..cd9f4a9a06c6 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -52,6 +52,15 @@ struct musb;
 struct musb_hw_ep;
 struct musb_ep;
 
+/* Helper defines for struct musb->hwvers */
+#define MUSB_HWVERS_MAJOR(x)	((x >> 10) & 0x1f)
+#define MUSB_HWVERS_MINOR(x)	(x & 0x3ff)
+#define MUSB_HWVERS_RC		0x8000
+#define MUSB_HWVERS_1300	0x52C
+#define MUSB_HWVERS_1400	0x590
+#define MUSB_HWVERS_1800	0x720
+#define MUSB_HWVERS_1900	0x784
+#define MUSB_HWVERS_2000	0x800
 
 #include "musb_debug.h"
 #include "musb_dma.h"
@@ -322,13 +331,6 @@ struct musb {
 	struct clk		*clock;
 	irqreturn_t		(*isr)(int, void *);
 	struct work_struct	irq_work;
-#define MUSB_HWVERS_MAJOR(x)	((x >> 10) & 0x1f)
-#define MUSB_HWVERS_MINOR(x)	(x & 0x3ff)
-#define MUSB_HWVERS_RC		0x8000
-#define MUSB_HWVERS_1300	0x52C
-#define MUSB_HWVERS_1400	0x590
-#define MUSB_HWVERS_1800	0x720
-#define MUSB_HWVERS_2000	0x800
 	u16			hwvers;
 
 /* this hub status bit is reserved by USB 2.0 and not seen by usbcore */
@@ -411,22 +413,15 @@ struct musb {
 
 	unsigned		hb_iso_rx:1;	/* high bandwidth iso rx? */
 	unsigned		hb_iso_tx:1;	/* high bandwidth iso tx? */
+	unsigned		dyn_fifo:1;	/* dynamic FIFO supported? */
 
-#ifdef C_MP_TX
-	unsigned bulk_split:1;
+	unsigned		bulk_split:1;
 #define	can_bulk_split(musb,type) \
-		(((type) == USB_ENDPOINT_XFER_BULK) && (musb)->bulk_split)
-#else
-#define	can_bulk_split(musb, type)	0
-#endif
+	(((type) == USB_ENDPOINT_XFER_BULK) && (musb)->bulk_split)
 
-#ifdef C_MP_RX
-	unsigned bulk_combine:1;
+	unsigned		bulk_combine:1;
 #define	can_bulk_combine(musb,type) \
-		(((type) == USB_ENDPOINT_XFER_BULK) && (musb)->bulk_combine)
-#else
-#define	can_bulk_combine(musb, type)	0
-#endif
+	(((type) == USB_ENDPOINT_XFER_BULK) && (musb)->bulk_combine)
 
 #ifdef CONFIG_USB_GADGET_MUSB_HDRC
 	/* is_suspended means USB B_PERIPHERAL suspend */
@@ -461,6 +456,45 @@ struct musb {
 #endif
 };
 
+#ifdef CONFIG_PM
+struct musb_csr_regs {
+	/* FIFO registers */
+	u16 txmaxp, txcsr, rxmaxp, rxcsr;
+	u16 rxfifoadd, txfifoadd;
+	u8 txtype, txinterval, rxtype, rxinterval;
+	u8 rxfifosz, txfifosz;
+	u8 txfunaddr, txhubaddr, txhubport;
+	u8 rxfunaddr, rxhubaddr, rxhubport;
+};
+
+struct musb_context_registers {
+
+#ifdef CONFIG_PM
+	u32 otg_sysconfig, otg_forcestandby;
+#endif
+	u8 power;
+	u16 intrtxe, intrrxe;
+	u8 intrusbe;
+	u16 frame;
+	u8 index, testmode;
+
+	u8 devctl, misc;
+
+	struct musb_csr_regs index_regs[MUSB_C_NUM_EPS];
+};
+
+#ifdef CONFIG_PM
+extern void musb_platform_save_context(struct musb *musb,
+		struct musb_context_registers *musb_context);
+extern void musb_platform_restore_context(struct musb *musb,
+		struct musb_context_registers *musb_context);
+#else
+#define musb_platform_save_context(m, x)	do {} while (0)
+#define musb_platform_restore_context(m, x)	do {} while (0)
+#endif
+
+#endif
+
 static inline void musb_set_vbus(struct musb *musb, int is_on)
 {
 	musb->board_set_vbus(musb, is_on);
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index cbcf14a236e6..a9f288cd70ed 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -895,7 +895,14 @@ static int musb_gadget_enable(struct usb_ep *ep,
 		/* REVISIT if can_bulk_split(), use by updating "tmp";
 		 * likewise high bandwidth periodic tx
 		 */
-		musb_writew(regs, MUSB_TXMAXP, tmp);
+		/* Set TXMAXP with the FIFO size of the endpoint
+		 * to disable double buffering mode. Currently, It seems that double
+		 * buffering has problem if musb RTL revision number < 2.0.
+		 */
+		if (musb->hwvers < MUSB_HWVERS_2000)
+			musb_writew(regs, MUSB_TXMAXP, hw_ep->max_packet_sz_tx);
+		else
+			musb_writew(regs, MUSB_TXMAXP, tmp);
 
 		csr = MUSB_TXCSR_MODE | MUSB_TXCSR_CLRDATATOG;
 		if (musb_readw(regs, MUSB_TXCSR)
@@ -925,7 +932,13 @@ static int musb_gadget_enable(struct usb_ep *ep,
 		/* REVISIT if can_bulk_combine() use by updating "tmp"
 		 * likewise high bandwidth periodic rx
 		 */
-		musb_writew(regs, MUSB_RXMAXP, tmp);
+		/* Set RXMAXP with the FIFO size of the endpoint
+		 * to disable double buffering mode.
+		 */
+		if (musb->hwvers < MUSB_HWVERS_2000)
+			musb_writew(regs, MUSB_RXMAXP, hw_ep->max_packet_sz_rx);
+		else
+			musb_writew(regs, MUSB_RXMAXP, tmp);
 
 		/* force shared fifo to OUT-only mode */
 		if (hw_ep->is_shared_fifo) {
@@ -1697,8 +1710,7 @@ int usb_gadget_register_driver(struct usb_gadget_driver *driver)
 		return -EINVAL;
 
 	/* driver must be initialized to support peripheral mode */
-	if (!musb || !(musb->board_mode == MUSB_OTG
-				|| musb->board_mode != MUSB_OTG)) {
+	if (!musb) {
 		DBG(1, "%s, no dev??\n", __func__);
 		return -ENODEV;
 	}
diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c
index 74c4c3698f1e..dec896e888db 100644
--- a/drivers/usb/musb/musb_host.c
+++ b/drivers/usb/musb/musb_host.c
@@ -605,8 +605,14 @@ musb_rx_reinit(struct musb *musb, struct musb_qh *qh, struct musb_hw_ep *ep)
 	musb_writeb(ep->regs, MUSB_RXTYPE, qh->type_reg);
 	musb_writeb(ep->regs, MUSB_RXINTERVAL, qh->intv_reg);
 	/* NOTE: bulk combining rewrites high bits of maxpacket */
-	musb_writew(ep->regs, MUSB_RXMAXP,
-			qh->maxpacket | ((qh->hb_mult - 1) << 11));
+	/* Set RXMAXP with the FIFO size of the endpoint
+	 * to disable double buffer mode.
+	 */
+	if (musb->hwvers < MUSB_HWVERS_2000)
+		musb_writew(ep->regs, MUSB_RXMAXP, ep->max_packet_sz_rx);
+	else
+		musb_writew(ep->regs, MUSB_RXMAXP,
+				qh->maxpacket | ((qh->hb_mult - 1) << 11));
 
 	ep->rx_reinit = 0;
 }
@@ -1683,7 +1689,7 @@ void musb_host_rx(struct musb *musb, u8 epnum)
 				dma->desired_mode = 1;
 			if (rx_count < hw_ep->max_packet_sz_rx) {
 				length = rx_count;
-				dma->bDesiredMode = 0;
+				dma->desired_mode = 0;
 			} else {
 				length = urb->transfer_buffer_length;
 			}
@@ -1771,6 +1777,9 @@ static int musb_schedule(
 	int			best_end, epnum;
 	struct musb_hw_ep	*hw_ep = NULL;
 	struct list_head	*head = NULL;
+	u8			toggle;
+	u8			txtype;
+	struct urb		*urb = next_urb(qh);
 
 	/* use fixed hardware for control and bulk */
 	if (qh->type == USB_ENDPOINT_XFER_CONTROL) {
@@ -1809,6 +1818,27 @@ static int musb_schedule(
 		diff -= (qh->maxpacket * qh->hb_mult);
 
 		if (diff >= 0 && best_diff > diff) {
+
+			/*
+			 * Mentor controller has a bug in that if we schedule
+			 * a BULK Tx transfer on an endpoint that had earlier
+			 * handled ISOC then the BULK transfer has to start on
+			 * a zero toggle.  If the BULK transfer starts on a 1
+			 * toggle then this transfer will fail as the mentor
+			 * controller starts the Bulk transfer on a 0 toggle
+			 * irrespective of the programming of the toggle bits
+			 * in the TXCSR register.  Check for this condition
+			 * while allocating the EP for a Tx Bulk transfer.  If
+			 * so skip this EP.
+			 */
+			hw_ep = musb->endpoints + epnum;
+			toggle = usb_gettoggle(urb->dev, qh->epnum, !is_in);
+			txtype = (musb_readb(hw_ep->regs, MUSB_TXTYPE)
+					>> 4) & 0x3;
+			if (!is_in && (qh->type == USB_ENDPOINT_XFER_BULK) &&
+				toggle && (txtype == USB_ENDPOINT_XFER_ISOC))
+				continue;
+
 			best_diff = diff;
 			best_end = epnum;
 		}
diff --git a/drivers/usb/musb/musb_regs.h b/drivers/usb/musb/musb_regs.h
index 473a94ef905f..fa55aacc385d 100644
--- a/drivers/usb/musb/musb_regs.h
+++ b/drivers/usb/musb/musb_regs.h
@@ -72,6 +72,10 @@
 #define MUSB_DEVCTL_HR		0x02
 #define MUSB_DEVCTL_SESSION	0x01
 
+/* MUSB ULPI VBUSCONTROL */
+#define MUSB_ULPI_USE_EXTVBUS	0x01
+#define MUSB_ULPI_USE_EXTVBUSIND 0x02
+
 /* TESTMODE */
 #define MUSB_TEST_FORCE_HOST	0x80
 #define MUSB_TEST_FIFO_ACCESS	0x40
@@ -246,6 +250,7 @@
 
 /* REVISIT: vctrl/vstatus: optional vendor utmi+phy register at 0x68 */
 #define MUSB_HWVERS		0x6C	/* 8 bit */
+#define MUSB_ULPI_BUSCONTROL	0x70	/* 8 bit */
 
 #define MUSB_EPINFO		0x78	/* 8 bit */
 #define MUSB_RAMINFO		0x79	/* 8 bit */
@@ -321,6 +326,36 @@ static inline void  musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
 	musb_writew(mbase, MUSB_RXFIFOADD, c_off);
 }
 
+static inline void musb_write_ulpi_buscontrol(void __iomem *mbase, u8 val)
+{
+	musb_writeb(mbase, MUSB_ULPI_BUSCONTROL, val);
+}
+
+static inline u8 musb_read_txfifosz(void __iomem *mbase)
+{
+	return musb_readb(mbase, MUSB_TXFIFOSZ);
+}
+
+static inline u16 musb_read_txfifoadd(void __iomem *mbase)
+{
+	return musb_readw(mbase, MUSB_TXFIFOADD);
+}
+
+static inline u8 musb_read_rxfifosz(void __iomem *mbase)
+{
+	return musb_readb(mbase, MUSB_RXFIFOSZ);
+}
+
+static inline u16  musb_read_rxfifoadd(void __iomem *mbase)
+{
+	return musb_readw(mbase, MUSB_RXFIFOADD);
+}
+
+static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase)
+{
+	return musb_readb(mbase, MUSB_ULPI_BUSCONTROL);
+}
+
 static inline u8 musb_read_configdata(void __iomem *mbase)
 {
 	musb_writeb(mbase, MUSB_INDEX, 0);
@@ -376,6 +411,36 @@ static inline void  musb_write_txhubport(void __iomem *mbase, u8 epnum,
 			qh_h_port_reg);
 }
 
+static inline u8 musb_read_rxfunaddr(void __iomem *mbase, u8 epnum)
+{
+	return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_RXFUNCADDR));
+}
+
+static inline u8 musb_read_rxhubaddr(void __iomem *mbase, u8 epnum)
+{
+	return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_RXHUBADDR));
+}
+
+static inline u8 musb_read_rxhubport(void __iomem *mbase, u8 epnum)
+{
+	return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_RXHUBPORT));
+}
+
+static inline u8  musb_read_txfunaddr(void __iomem *mbase, u8 epnum)
+{
+	return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXFUNCADDR));
+}
+
+static inline u8  musb_read_txhubaddr(void __iomem *mbase, u8 epnum)
+{
+	return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBADDR));
+}
+
+static inline u8  musb_read_txhubport(void __iomem *mbase, u8 epnum)
+{
+	return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBPORT));
+}
+
 #else /* CONFIG_BLACKFIN */
 
 #define USB_BASE		USB_FADDR
@@ -436,7 +501,7 @@ static inline void  musb_write_txhubport(void __iomem *mbase, u8 epnum,
 #define MUSB_FLAT_OFFSET(_epnum, _offset)	\
 	(USB_OFFSET(USB_EP_NI0_TXMAXP) + (0x40 * (_epnum)) + (_offset))
 
-/* Not implemented - HW has seperate Tx/Rx FIFO */
+/* Not implemented - HW has separate Tx/Rx FIFO */
 #define MUSB_TXCSR_MODE			0x0000
 
 static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size)
@@ -455,6 +520,35 @@ static inline void  musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
 {
 }
 
+static inline void musb_write_ulpi_buscontrol(void __iomem *mbase, u8 val)
+{
+}
+
+static inline u8 musb_read_txfifosz(void __iomem *mbase)
+{
+	return 0;
+}
+
+static inline u16 musb_read_txfifoadd(void __iomem *mbase)
+{
+	return 0;
+}
+
+static inline u8 musb_read_rxfifosz(void __iomem *mbase)
+{
+	return 0;
+}
+
+static inline u16  musb_read_rxfifoadd(void __iomem *mbase)
+{
+	return 0;
+}
+
+static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase)
+{
+	return 0;
+}
+
 static inline u8 musb_read_configdata(void __iomem *mbase)
 {
 	return 0;
@@ -462,7 +556,11 @@ static inline u8 musb_read_configdata(void __iomem *mbase)
 
 static inline u16 musb_read_hwvers(void __iomem *mbase)
 {
-	return 0;
+	/*
+	 * This register is invisible on Blackfin, actually the MUSB
+	 * RTL version of Blackfin is 1.9, so just harcode its value.
+	 */
+	return MUSB_HWVERS_1900;
 }
 
 static inline void __iomem *musb_read_target_reg_base(u8 i, void __iomem *mbase)
@@ -500,6 +598,35 @@ static inline void  musb_write_txhubport(void __iomem *mbase, u8 epnum,
 {
 }
 
+static inline u8 musb_read_rxfunaddr(void __iomem *mbase, u8 epnum)
+{
+	return 0;
+}
+
+static inline u8 musb_read_rxhubaddr(void __iomem *mbase, u8 epnum)
+{
+	return 0;
+}
+
+static inline u8 musb_read_rxhubport(void __iomem *mbase, u8 epnum)
+{
+	return 0;
+}
+
+static inline u8  musb_read_txfunaddr(void __iomem *mbase, u8 epnum)
+{
+	return 0;
+}
+
+static inline u8  musb_read_txhubaddr(void __iomem *mbase, u8 epnum)
+{
+	return 0;
+}
+
+static inline void  musb_read_txhubport(void __iomem *mbase, u8 epnum)
+{
+}
+
 #endif /* CONFIG_BLACKFIN */
 
 #endif	/* __MUSB_REGS_H__ */
diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c
index a237550f91bf..2fa7d5c00f31 100644
--- a/drivers/usb/musb/musbhsdma.c
+++ b/drivers/usb/musb/musbhsdma.c
@@ -250,20 +250,39 @@ static irqreturn_t dma_controller_irq(int irq, void *private_data)
 	u8 bchannel;
 	u8 int_hsdma;
 
-	u32 addr;
+	u32 addr, count;
 	u16 csr;
 
 	spin_lock_irqsave(&musb->lock, flags);
 
 	int_hsdma = musb_readb(mbase, MUSB_HSDMA_INTR);
-	if (!int_hsdma)
-		goto done;
 
 #ifdef CONFIG_BLACKFIN
 	/* Clear DMA interrupt flags */
 	musb_writeb(mbase, MUSB_HSDMA_INTR, int_hsdma);
 #endif
 
+	if (!int_hsdma) {
+		DBG(2, "spurious DMA irq\n");
+
+		for (bchannel = 0; bchannel < MUSB_HSDMA_CHANNELS; bchannel++) {
+			musb_channel = (struct musb_dma_channel *)
+					&(controller->channel[bchannel]);
+			channel = &musb_channel->channel;
+			if (channel->status == MUSB_DMA_STATUS_BUSY) {
+				count = musb_read_hsdma_count(mbase, bchannel);
+
+				if (count == 0)
+					int_hsdma |= (1 << bchannel);
+			}
+		}
+
+		DBG(2, "int_hsdma = 0x%x\n", int_hsdma);
+
+		if (!int_hsdma)
+			goto done;
+	}
+
 	for (bchannel = 0; bchannel < MUSB_HSDMA_CHANNELS; bchannel++) {
 		if (int_hsdma & (1 << bchannel)) {
 			musb_channel = (struct musb_dma_channel *)
diff --git a/drivers/usb/musb/musbhsdma.h b/drivers/usb/musb/musbhsdma.h
index 1299d92dc83f..613f95a058f7 100644
--- a/drivers/usb/musb/musbhsdma.h
+++ b/drivers/usb/musb/musbhsdma.h
@@ -55,6 +55,10 @@
 		    MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_ADDRESS), \
 		    addr)
 
+#define musb_read_hsdma_count(mbase, bchannel)	\
+	musb_readl(mbase,	\
+		   MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT))
+
 #define musb_write_hsdma_count(mbase, bchannel, len) \
 	musb_writel(mbase, \
 		    MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT), \
@@ -96,6 +100,19 @@ static inline void musb_write_hsdma_addr(void __iomem *mbase,
 		((u16)(((u32) dma_addr >> 16) & 0xFFFF)));
 }
 
+static inline u32 musb_read_hsdma_count(void __iomem *mbase, u8 bchannel)
+{
+	u32 count = musb_readw(mbase,
+		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_HIGH));
+
+	count = count << 16;
+
+	count |= musb_readw(mbase,
+		MUSB_HSDMA_CHANNEL_OFFSET(bchannel, MUSB_HSDMA_COUNT_LOW));
+
+	return count;
+}
+
 static inline void musb_write_hsdma_count(void __iomem *mbase,
 				u8 bchannel, u32 len)
 {
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 83beeac5e7bf..3fe16867b5a8 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -220,7 +220,7 @@ int __init musb_platform_init(struct musb *musb)
 
 	musb_platform_resume(musb);
 
-	l = omap_readl(OTG_SYSCONFIG);
+	l = musb_readl(musb->mregs, OTG_SYSCONFIG);
 	l &= ~ENABLEWAKEUP;	/* disable wakeup */
 	l &= ~NOSTDBY;		/* remove possible nostdby */
 	l |= SMARTSTDBY;	/* enable smart standby */
@@ -233,17 +233,19 @@ int __init musb_platform_init(struct musb *musb)
 	 */
 	if (!cpu_is_omap3430())
 		l |= AUTOIDLE;		/* enable auto idle */
-	omap_writel(l, OTG_SYSCONFIG);
+	musb_writel(musb->mregs, OTG_SYSCONFIG, l);
 
-	l = omap_readl(OTG_INTERFSEL);
+	l = musb_readl(musb->mregs, OTG_INTERFSEL);
 	l |= ULPI_12PIN;
-	omap_writel(l, OTG_INTERFSEL);
+	musb_writel(musb->mregs, OTG_INTERFSEL, l);
 
 	pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
 			"sysstatus 0x%x, intrfsel 0x%x, simenable  0x%x\n",
-			omap_readl(OTG_REVISION), omap_readl(OTG_SYSCONFIG),
-			omap_readl(OTG_SYSSTATUS), omap_readl(OTG_INTERFSEL),
-			omap_readl(OTG_SIMENABLE));
+			musb_readl(musb->mregs, OTG_REVISION),
+			musb_readl(musb->mregs, OTG_SYSCONFIG),
+			musb_readl(musb->mregs, OTG_SYSSTATUS),
+			musb_readl(musb->mregs, OTG_INTERFSEL),
+			musb_readl(musb->mregs, OTG_SIMENABLE));
 
 	omap_vbus_power(musb, musb->board_mode == MUSB_HOST, 1);
 
@@ -255,6 +257,22 @@ int __init musb_platform_init(struct musb *musb)
 	return 0;
 }
 
+#ifdef CONFIG_PM
+void musb_platform_save_context(struct musb *musb,
+		struct musb_context_registers *musb_context)
+{
+	musb_context->otg_sysconfig = musb_readl(musb->mregs, OTG_SYSCONFIG);
+	musb_context->otg_forcestandby = musb_readl(musb->mregs, OTG_FORCESTDBY);
+}
+
+void musb_platform_restore_context(struct musb *musb,
+		struct musb_context_registers *musb_context)
+{
+	musb_writel(musb->mregs, OTG_SYSCONFIG, musb_context->otg_sysconfig);
+	musb_writel(musb->mregs, OTG_FORCESTDBY, musb_context->otg_forcestandby);
+}
+#endif
+
 int musb_platform_suspend(struct musb *musb)
 {
 	u32 l;
@@ -263,13 +281,13 @@ int musb_platform_suspend(struct musb *musb)
 		return 0;
 
 	/* in any role */
-	l = omap_readl(OTG_FORCESTDBY);
+	l = musb_readl(musb->mregs, OTG_FORCESTDBY);
 	l |= ENABLEFORCE;	/* enable MSTANDBY */
-	omap_writel(l, OTG_FORCESTDBY);
+	musb_writel(musb->mregs, OTG_FORCESTDBY, l);
 
-	l = omap_readl(OTG_SYSCONFIG);
+	l = musb_readl(musb->mregs, OTG_SYSCONFIG);
 	l |= ENABLEWAKEUP;	/* enable wakeup */
-	omap_writel(l, OTG_SYSCONFIG);
+	musb_writel(musb->mregs, OTG_SYSCONFIG, l);
 
 	otg_set_suspend(musb->xceiv, 1);
 
@@ -295,13 +313,13 @@ static int musb_platform_resume(struct musb *musb)
 	else
 		clk_enable(musb->clock);
 
-	l = omap_readl(OTG_SYSCONFIG);
+	l = musb_readl(musb->mregs, OTG_SYSCONFIG);
 	l &= ~ENABLEWAKEUP;	/* disable wakeup */
-	omap_writel(l, OTG_SYSCONFIG);
+	musb_writel(musb->mregs, OTG_SYSCONFIG, l);
 
-	l = omap_readl(OTG_FORCESTDBY);
+	l = musb_readl(musb->mregs, OTG_FORCESTDBY);
 	l &= ~ENABLEFORCE;	/* disable MSTANDBY */
-	omap_writel(l, OTG_FORCESTDBY);
+	musb_writel(musb->mregs, OTG_FORCESTDBY, l);
 
 	return 0;
 }
diff --git a/drivers/usb/musb/omap2430.h b/drivers/usb/musb/omap2430.h
index fbede7798aed..40b3c02ae9f0 100644
--- a/drivers/usb/musb/omap2430.h
+++ b/drivers/usb/musb/omap2430.h
@@ -10,47 +10,43 @@
 #ifndef __MUSB_OMAP243X_H__
 #define __MUSB_OMAP243X_H__
 
-#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3430)
-#include <mach/hardware.h>
 #include <plat/usb.h>
 
 /*
  * OMAP2430-specific definitions
  */
 
-#define MENTOR_BASE_OFFSET	0
-#if	defined(CONFIG_ARCH_OMAP2430)
-#define	OMAP_HSOTG_BASE		(OMAP243X_HS_BASE)
-#elif	defined(CONFIG_ARCH_OMAP3430)
-#define	OMAP_HSOTG_BASE		(OMAP34XX_HSUSB_OTG_BASE)
-#endif
-#define OMAP_HSOTG(offset)	(OMAP_HSOTG_BASE + 0x400 + (offset))
-#define OTG_REVISION		OMAP_HSOTG(0x0)
-#define OTG_SYSCONFIG		OMAP_HSOTG(0x4)
+#define OTG_REVISION		0x400
+
+#define OTG_SYSCONFIG		0x404
 #	define	MIDLEMODE	12	/* bit position */
 #	define	FORCESTDBY		(0 << MIDLEMODE)
 #	define	NOSTDBY			(1 << MIDLEMODE)
 #	define	SMARTSTDBY		(2 << MIDLEMODE)
+
 #	define	SIDLEMODE		3	/* bit position */
 #	define	FORCEIDLE		(0 << SIDLEMODE)
 #	define	NOIDLE			(1 << SIDLEMODE)
 #	define	SMARTIDLE		(2 << SIDLEMODE)
+
 #	define	ENABLEWAKEUP		(1 << 2)
 #	define	SOFTRST			(1 << 1)
 #	define	AUTOIDLE		(1 << 0)
-#define OTG_SYSSTATUS		OMAP_HSOTG(0x8)
+
+#define OTG_SYSSTATUS		0x408
 #	define	RESETDONE		(1 << 0)
-#define OTG_INTERFSEL		OMAP_HSOTG(0xc)
+
+#define OTG_INTERFSEL		0x40c
 #	define	EXTCP			(1 << 2)
-#	define	PHYSEL		0	/* bit position */
+#	define	PHYSEL			0	/* bit position */
 #	define	UTMI_8BIT		(0 << PHYSEL)
 #	define	ULPI_12PIN		(1 << PHYSEL)
 #	define	ULPI_8PIN		(2 << PHYSEL)
-#define OTG_SIMENABLE		OMAP_HSOTG(0x10)
+
+#define OTG_SIMENABLE		0x410
 #	define	TM1			(1 << 0)
-#define OTG_FORCESTDBY		OMAP_HSOTG(0x14)
-#	define	ENABLEFORCE		(1 << 0)
 
-#endif	/* CONFIG_ARCH_OMAP2430 */
+#define OTG_FORCESTDBY		0x414
+#	define	ENABLEFORCE		(1 << 0)
 
 #endif	/* __MUSB_OMAP243X_H__ */
diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c
index 88b587c703e9..ab776a8d98ca 100644
--- a/drivers/usb/musb/tusb6010.c
+++ b/drivers/usb/musb/tusb6010.c
@@ -1118,7 +1118,7 @@ int __init musb_platform_init(struct musb *musb)
 	}
 	musb->sync = mem->start;
 
-	sync = ioremap(mem->start, mem->end - mem->start + 1);
+	sync = ioremap(mem->start, resource_size(mem));
 	if (!sync) {
 		pr_debug("ioremap for sync failed\n");
 		ret = -ENOMEM;
diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c
index e13c77052e5e..1c868096bd6f 100644
--- a/drivers/usb/musb/tusb6010_omap.c
+++ b/drivers/usb/musb/tusb6010_omap.c
@@ -648,7 +648,7 @@ void dma_controller_destroy(struct dma_controller *c)
 		}
 	}
 
-	if (!tusb_dma->multichannel && tusb_dma && tusb_dma->ch >= 0)
+	if (tusb_dma && !tusb_dma->multichannel && tusb_dma->ch >= 0)
 		omap_free_dma(tusb_dma->ch);
 
 	kfree(tusb_dma);
diff --git a/drivers/usb/otg/twl4030-usb.c b/drivers/usb/otg/twl4030-usb.c
index 2be9f2fa41f9..3e4e9f434d78 100644
--- a/drivers/usb/otg/twl4030-usb.c
+++ b/drivers/usb/otg/twl4030-usb.c
@@ -36,7 +36,7 @@
 #include <linux/i2c/twl.h>
 #include <linux/regulator/consumer.h>
 #include <linux/err.h>
-
+#include <linux/notifier.h>
 
 /* Register defines */
 
@@ -236,15 +236,6 @@
 #define PMBR1				0x0D
 #define GPIO_USB_4PIN_ULPI_2430C	(3 << 0)
 
-
-
-enum linkstat {
-	USB_LINK_UNKNOWN = 0,
-	USB_LINK_NONE,
-	USB_LINK_VBUS,
-	USB_LINK_ID,
-};
-
 struct twl4030_usb {
 	struct otg_transceiver	otg;
 	struct device		*dev;
@@ -347,10 +338,10 @@ twl4030_usb_clear_bits(struct twl4030_usb *twl, u8 reg, u8 bits)
 
 /*-------------------------------------------------------------------------*/
 
-static enum linkstat twl4030_usb_linkstat(struct twl4030_usb *twl)
+static enum usb_xceiv_events twl4030_usb_linkstat(struct twl4030_usb *twl)
 {
 	int	status;
-	int	linkstat = USB_LINK_UNKNOWN;
+	int	linkstat = USB_EVENT_NONE;
 
 	/*
 	 * For ID/VBUS sensing, see manual section 15.4.8 ...
@@ -368,11 +359,11 @@ static enum linkstat twl4030_usb_linkstat(struct twl4030_usb *twl)
 		dev_err(twl->dev, "USB link status err %d\n", status);
 	else if (status & (BIT(7) | BIT(2))) {
 		if (status & BIT(2))
-			linkstat = USB_LINK_ID;
+			linkstat = USB_EVENT_ID;
 		else
-			linkstat = USB_LINK_VBUS;
+			linkstat = USB_EVENT_VBUS;
 	} else
-		linkstat = USB_LINK_NONE;
+		linkstat = USB_EVENT_NONE;
 
 	dev_dbg(twl->dev, "HW_CONDITIONS 0x%02x/%d; link %d\n",
 			status, status, linkstat);
@@ -383,7 +374,7 @@ static enum linkstat twl4030_usb_linkstat(struct twl4030_usb *twl)
 
 	spin_lock_irq(&twl->lock);
 	twl->linkstat = linkstat;
-	if (linkstat == USB_LINK_ID) {
+	if (linkstat == USB_EVENT_ID) {
 		twl->otg.default_a = true;
 		twl->otg.state = OTG_STATE_A_IDLE;
 	} else {
@@ -564,7 +555,7 @@ static ssize_t twl4030_usb_vbus_show(struct device *dev,
 
 	spin_lock_irqsave(&twl->lock, flags);
 	ret = sprintf(buf, "%s\n",
-			(twl->linkstat == USB_LINK_VBUS) ? "on" : "off");
+			(twl->linkstat == USB_EVENT_VBUS) ? "on" : "off");
 	spin_unlock_irqrestore(&twl->lock, flags);
 
 	return ret;
@@ -576,17 +567,8 @@ static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
 	struct twl4030_usb *twl = _twl;
 	int status;
 
-#ifdef CONFIG_LOCKDEP
-	/* WORKAROUND for lockdep forcing IRQF_DISABLED on us, which
-	 * we don't want and can't tolerate.  Although it might be
-	 * friendlier not to borrow this thread context...
-	 */
-	local_irq_enable();
-#endif
-
 	status = twl4030_usb_linkstat(twl);
-	if (status != USB_LINK_UNKNOWN) {
-
+	if (status >= 0) {
 		/* FIXME add a set_power() method so that B-devices can
 		 * configure the charger appropriately.  It's not always
 		 * correct to consume VBUS power, and how much current to
@@ -598,12 +580,13 @@ static irqreturn_t twl4030_usb_irq(int irq, void *_twl)
 		 * USB_LINK_VBUS state.  musb_hdrc won't care until it
 		 * starts to handle softconnect right.
 		 */
-		if (status == USB_LINK_NONE)
+		if (status == USB_EVENT_NONE)
 			twl4030_phy_suspend(twl, 0);
 		else
 			twl4030_phy_resume(twl);
 
-		twl4030charger_usb_en(status == USB_LINK_VBUS);
+		blocking_notifier_call_chain(&twl->otg.notifier, status,
+				twl->otg.gadget);
 	}
 	sysfs_notify(&twl->dev->kobj, NULL, "vbus");
 
@@ -693,6 +676,8 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev)
 	if (device_create_file(&pdev->dev, &dev_attr_vbus))
 		dev_warn(&pdev->dev, "could not create sysfs file\n");
 
+	BLOCKING_INIT_NOTIFIER_HEAD(&twl->otg.notifier);
+
 	/* Our job is to use irqs and status from the power module
 	 * to keep the transceiver disabled when nothing's connected.
 	 *
@@ -702,7 +687,7 @@ static int __devinit twl4030_usb_probe(struct platform_device *pdev)
 	 * need both handles, otherwise just one suffices.
 	 */
 	twl->irq_enabled = true;
-	status = request_irq(twl->irq, twl4030_usb_irq,
+	status = request_threaded_irq(twl->irq, NULL, twl4030_usb_irq,
 			IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
 			"twl4030_usb", twl);
 	if (status < 0) {
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index c480ea4c19f2..a0ecb42cb33a 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -472,6 +472,17 @@ config USB_SERIAL_OTI6858
 	  To compile this driver as a module, choose M here: the
 	  module will be called oti6858.
 
+config USB_SERIAL_QCAUX
+	tristate "USB Qualcomm Auxiliary Serial Port Driver"
+	help
+	  Say Y here if you want to use the auxiliary serial ports provided
+	  by many modems based on Qualcomm chipsets.  These ports often use
+	  a proprietary protocol called DM and cannot be used for AT- or
+	  PPP-based communication.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called qcaux.  If unsure, choose N.
+
 config USB_SERIAL_QUALCOMM
 	tristate "USB Qualcomm Serial modem"
 	help
@@ -600,6 +611,14 @@ config USB_SERIAL_OPTICON
 	  To compile this driver as a module, choose M here: the
 	  module will be called opticon.
 
+config USB_SERIAL_VIVOPAY_SERIAL
+        tristate "USB ViVOpay serial interface driver"
+        help
+          Say Y here if you want to use a ViVOtech ViVOpay USB device.
+
+          To compile this driver as a module, choose M here: the
+          module will be called vivopay-serial.
+
 config USB_SERIAL_DEBUG
 	tristate "USB Debugging Device"
 	help
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index 66619beb6cc0..83c9e431a568 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -45,6 +45,7 @@ obj-$(CONFIG_USB_SERIAL_OPTICON)		+= opticon.o
 obj-$(CONFIG_USB_SERIAL_OPTION)			+= option.o
 obj-$(CONFIG_USB_SERIAL_OTI6858)		+= oti6858.o
 obj-$(CONFIG_USB_SERIAL_PL2303)			+= pl2303.o
+obj-$(CONFIG_USB_SERIAL_QCAUX)			+= qcaux.o
 obj-$(CONFIG_USB_SERIAL_QUALCOMM)		+= qcserial.o
 obj-$(CONFIG_USB_SERIAL_SAFE)			+= safe_serial.o
 obj-$(CONFIG_USB_SERIAL_SIEMENS_MPI)		+= siemens_mpi.o
@@ -55,4 +56,5 @@ obj-$(CONFIG_USB_SERIAL_TI)			+= ti_usb_3410_5052.o
 obj-$(CONFIG_USB_SERIAL_VISOR)			+= visor.o
 obj-$(CONFIG_USB_SERIAL_WHITEHEAT)		+= whiteheat.o
 obj-$(CONFIG_USB_SERIAL_XIRCOM)			+= keyspan_pda.o
+obj-$(CONFIG_USB_SERIAL_VIVOPAY_SERIAL)	+= vivopay-serial.o
 
diff --git a/drivers/usb/serial/aircable.c b/drivers/usb/serial/aircable.c
index b10ac8409411..365db1097bfd 100644
--- a/drivers/usb/serial/aircable.c
+++ b/drivers/usb/serial/aircable.c
@@ -78,7 +78,7 @@ static int debug;
 #define DRIVER_DESC "AIRcable USB Driver"
 
 /* ID table that will be registered with USB core */
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(AIRCABLE_VID, AIRCABLE_USB_PID) },
 	{ },
 };
@@ -468,10 +468,6 @@ static void aircable_read_bulk_callback(struct urb *urb)
 
 	if (status) {
 		dbg("%s - urb status = %d", __func__, status);
-		if (!port->port.count) {
-			dbg("%s - port is closed, exiting.", __func__);
-			return;
-		}
 		if (status == -EPROTO) {
 			dbg("%s - caught -EPROTO, resubmitting the urb",
 			    __func__);
@@ -530,23 +526,19 @@ static void aircable_read_bulk_callback(struct urb *urb)
 	}
 	tty_kref_put(tty);
 
-	/* Schedule the next read _if_ we are still open */
-	if (port->port.count) {
-		usb_fill_bulk_urb(port->read_urb, port->serial->dev,
-				  usb_rcvbulkpipe(port->serial->dev,
-					  port->bulk_in_endpointAddress),
-				  port->read_urb->transfer_buffer,
-				  port->read_urb->transfer_buffer_length,
-				  aircable_read_bulk_callback, port);
-
-		result = usb_submit_urb(urb, GFP_ATOMIC);
-		if (result)
-			dev_err(&urb->dev->dev,
-				"%s - failed resubmitting read urb, error %d\n",
-				__func__, result);
-	}
-
-	return;
+	/* Schedule the next read */
+	usb_fill_bulk_urb(port->read_urb, port->serial->dev,
+			  usb_rcvbulkpipe(port->serial->dev,
+				  port->bulk_in_endpointAddress),
+			  port->read_urb->transfer_buffer,
+			  port->read_urb->transfer_buffer_length,
+			  aircable_read_bulk_callback, port);
+
+	result = usb_submit_urb(urb, GFP_ATOMIC);
+	if (result && result != -EPERM)
+		dev_err(&urb->dev->dev,
+			"%s - failed resubmitting read urb, error %d\n",
+			__func__, result);
 }
 
 /* Based on ftdi_sio.c throttle */
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index a9c2dec8e3fb..547c9448c28c 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -50,7 +50,7 @@ static int debug;
 /* usb timeout of 1 second */
 #define ARK_TIMEOUT (1*HZ)
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x6547, 0x0232) },
 	{ USB_DEVICE(0x18ec, 0x3118) },		/* USB to IrDA adapter */
 	{ },
@@ -733,7 +733,6 @@ static void ark3116_read_bulk_callback(struct urb *urb)
 
 		tty = tty_port_tty_get(&port->port);
 		if (tty) {
-			tty_buffer_request_room(tty, urb->actual_length + 1);
 			/* overrun is special, not associated with a char */
 			if (unlikely(lsr & UART_LSR_OE))
 				tty_insert_flip_char(tty, 0, TTY_OVERRUN);
diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index a0467bc61627..1295e44e3f1c 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -103,7 +103,7 @@ static int  belkin_sa_tiocmset(struct tty_struct *tty, struct file *file,
 					unsigned int set, unsigned int clear);
 
 
-static struct usb_device_id id_table_combined [] = {
+static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(BELKIN_SA_VID, BELKIN_SA_PID) },
 	{ USB_DEVICE(BELKIN_OLD_VID, BELKIN_OLD_PID) },
 	{ USB_DEVICE(PERACOM_VID, PERACOM_PID) },
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index 59eff721fcc5..9f4fed1968b5 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -22,6 +22,7 @@
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
 #include <linux/serial.h>
+#include <asm/unaligned.h>
 
 #define DEFAULT_BAUD_RATE 9600
 #define DEFAULT_TIMEOUT   1000
@@ -70,7 +71,7 @@
 
 static int debug;
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x4348, 0x5523) },
 	{ USB_DEVICE(0x1a86, 0x7523) },
 	{ },
@@ -392,16 +393,22 @@ static void ch341_break_ctl(struct tty_struct *tty, int break_state)
 	struct usb_serial_port *port = tty->driver_data;
 	int r;
 	uint16_t reg_contents;
-	uint8_t break_reg[2];
+	uint8_t *break_reg;
 
 	dbg("%s()", __func__);
 
+	break_reg = kmalloc(2, GFP_KERNEL);
+	if (!break_reg) {
+		dev_err(&port->dev, "%s - kmalloc failed\n", __func__);
+		return;
+	}
+
 	r = ch341_control_in(port->serial->dev, CH341_REQ_READ_REG,
-			ch341_break_reg, 0, break_reg, sizeof(break_reg));
+			ch341_break_reg, 0, break_reg, 2);
 	if (r < 0) {
-		printk(KERN_WARNING "%s: USB control read error whilst getting"
-				" break register contents.\n", __FILE__);
-		return;
+		dev_err(&port->dev, "%s - USB control read error (%d)\n",
+				__func__, r);
+		goto out;
 	}
 	dbg("%s - initial ch341 break register contents - reg1: %x, reg2: %x",
 			__func__, break_reg[0], break_reg[1]);
@@ -416,12 +423,14 @@ static void ch341_break_ctl(struct tty_struct *tty, int break_state)
 	}
 	dbg("%s - New ch341 break register contents - reg1: %x, reg2: %x",
 			__func__, break_reg[0], break_reg[1]);
-	reg_contents = (uint16_t)break_reg[0] | ((uint16_t)break_reg[1] << 8);
+	reg_contents = get_unaligned_le16(break_reg);
 	r = ch341_control_out(port->serial->dev, CH341_REQ_WRITE_REG,
 			ch341_break_reg, reg_contents);
 	if (r < 0)
-		printk(KERN_WARNING "%s: USB control write error whilst setting"
-				" break register contents.\n", __FILE__);
+		dev_err(&port->dev, "%s - USB control write error (%d)\n",
+				__func__, r);
+out:
+	kfree(break_reg);
 }
 
 static int ch341_tiocmset(struct tty_struct *tty, struct file *file,
diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c
index b22ac3258523..f347da2ef00a 100644
--- a/drivers/usb/serial/console.c
+++ b/drivers/usb/serial/console.c
@@ -181,6 +181,7 @@ static int usb_console_setup(struct console *co, char *options)
 	/* The console is special in terms of closing the device so
 	 * indicate this port is now acting as a system console. */
 	port->console = 1;
+	port->port.console = 1;
 
 	mutex_unlock(&serial->disc_mutex);
 	return retval;
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index bd254ec97d14..ec9b0449ccf6 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -55,7 +55,7 @@ static int cp210x_carrier_raised(struct usb_serial_port *p);
 
 static int debug;
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x0471, 0x066A) }, /* AKTAKOM ACE-1001 cable */
 	{ USB_DEVICE(0x0489, 0xE000) }, /* Pirelli Broadband S.p.A, DP-L10 SIP/GSM Mobile */
 	{ USB_DEVICE(0x0745, 0x1000) }, /* CipherLab USB CCD Barcode Scanner 1000 */
@@ -91,11 +91,12 @@ static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0x10C4, 0x81C8) }, /* Lipowsky Industrie Elektronik GmbH, Baby-JTAG */
 	{ USB_DEVICE(0x10C4, 0x81E2) }, /* Lipowsky Industrie Elektronik GmbH, Baby-LIN */
 	{ USB_DEVICE(0x10C4, 0x81E7) }, /* Aerocomm Radio */
+	{ USB_DEVICE(0x10C4, 0x81E8) }, /* Zephyr Bioharness */
 	{ USB_DEVICE(0x10C4, 0x81F2) }, /* C1007 HF band RFID controller */
 	{ USB_DEVICE(0x10C4, 0x8218) }, /* Lipowsky Industrie Elektronik GmbH, HARP-1 */
 	{ USB_DEVICE(0x10C4, 0x822B) }, /* Modem EDGE(GSM) Comander 2 */
 	{ USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demostration module */
-	{ USB_DEVICE(0x10c4, 0x8293) }, /* Telegesys ETRX2USB */
+	{ USB_DEVICE(0x10C4, 0x8293) }, /* Telegesys ETRX2USB */
 	{ USB_DEVICE(0x10C4, 0x82F9) }, /* Procyon AVS */
 	{ USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */
 	{ USB_DEVICE(0x10C4, 0x8382) }, /* Cygnal Integrated Products, Inc. */
@@ -312,11 +313,6 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request,
 		return -EPROTO;
 	}
 
-	/* Single data value */
-	result = usb_control_msg(serial->dev,
-			usb_sndctrlpipe(serial->dev, 0),
-			request, REQTYPE_HOST_TO_DEVICE, data[0],
-			0, NULL, 0, 300);
 	return 0;
 }
 
@@ -612,7 +608,7 @@ static void cp210x_set_termios(struct tty_struct *tty,
 				baud);
 		if (cp210x_set_config_single(port, CP210X_SET_BAUDDIV,
 					((BAUD_RATE_GEN_FREQ + baud/2) / baud))) {
-			dbg("Baud rate requested not supported by device\n");
+			dbg("Baud rate requested not supported by device");
 			baud = tty_termios_baud_rate(old_termios);
 		}
 	}
diff --git a/drivers/usb/serial/cyberjack.c b/drivers/usb/serial/cyberjack.c
index b0f6402a91ca..f744ab7a3b19 100644
--- a/drivers/usb/serial/cyberjack.c
+++ b/drivers/usb/serial/cyberjack.c
@@ -70,7 +70,7 @@ static void cyberjack_read_int_callback(struct urb *urb);
 static void cyberjack_read_bulk_callback(struct urb *urb);
 static void cyberjack_write_bulk_callback(struct urb *urb);
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(CYBERJACK_VENDOR_ID, CYBERJACK_PRODUCT_ID) },
 	{ }			/* Terminating entry */
 };
@@ -391,11 +391,10 @@ static void cyberjack_read_bulk_callback(struct urb *urb)
 
 	tty = tty_port_tty_get(&port->port);
 	if (!tty) {
-		dbg("%s - ignoring since device not open\n", __func__);
+		dbg("%s - ignoring since device not open", __func__);
 		return;
 	}
 	if (urb->actual_length) {
-		tty_buffer_request_room(tty, urb->actual_length);
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 	}
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index a591ebec0f89..e23c77925e7a 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -66,17 +66,15 @@
 #include <linux/serial.h>
 #include <linux/delay.h>
 #include <linux/uaccess.h>
+#include <asm/unaligned.h>
 
 #include "cypress_m8.h"
 
 
-#ifdef CONFIG_USB_SERIAL_DEBUG
-	static int debug = 1;
-#else
-	static int debug;
-#endif
+static int debug;
 static int stats;
 static int interval;
+static int unstable_bauds;
 
 /*
  * Version Information
@@ -89,24 +87,24 @@ static int interval;
 #define CYPRESS_BUF_SIZE	1024
 #define CYPRESS_CLOSING_WAIT	(30*HZ)
 
-static struct usb_device_id id_table_earthmate [] = {
+static const struct usb_device_id id_table_earthmate[] = {
 	{ USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB) },
 	{ USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB_LT20) },
 	{ }						/* Terminating entry */
 };
 
-static struct usb_device_id id_table_cyphidcomrs232 [] = {
+static const struct usb_device_id id_table_cyphidcomrs232[] = {
 	{ USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
 	{ USB_DEVICE(VENDOR_ID_POWERCOM, PRODUCT_ID_UPS) },
 	{ }						/* Terminating entry */
 };
 
-static struct usb_device_id id_table_nokiaca42v2 [] = {
+static const struct usb_device_id id_table_nokiaca42v2[] = {
 	{ USB_DEVICE(VENDOR_ID_DAZZLE, PRODUCT_ID_CA42) },
 	{ }						/* Terminating entry */
 };
 
-static struct usb_device_id id_table_combined [] = {
+static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB) },
 	{ USB_DEVICE(VENDOR_ID_DELORME, PRODUCT_ID_EARTHMATEUSB_LT20) },
 	{ USB_DEVICE(VENDOR_ID_CYPRESS, PRODUCT_ID_CYPHIDCOM) },
@@ -154,7 +152,7 @@ struct cypress_private {
 	int isthrottled;		   /* if throttled, discard reads */
 	wait_queue_head_t delta_msr_wait;  /* used for TIOCMIWAIT */
 	char prev_status, diff_status;	   /* used for TIOCMIWAIT */
-	/* we pass a pointer to this as the arguement sent to
+	/* we pass a pointer to this as the argument sent to
 	   cypress_set_termios old_termios */
 	struct ktermios tmp_termios; 	   /* stores the old termios settings */
 };
@@ -295,6 +293,9 @@ static int analyze_baud_rate(struct usb_serial_port *port, speed_t new_rate)
 	struct cypress_private *priv;
 	priv = usb_get_serial_port_data(port);
 
+	if (unstable_bauds)
+		return new_rate;
+
 	/*
 	 * The general purpose firmware for the Cypress M8 allows for
 	 * a maximum speed of 57600bps (I have no idea whether DeLorme
@@ -344,7 +345,8 @@ static int cypress_serial_control(struct tty_struct *tty,
 {
 	int new_baudrate = 0, retval = 0, tries = 0;
 	struct cypress_private *priv;
-	__u8 feature_buffer[5];
+	u8 *feature_buffer;
+	const unsigned int feature_len = 5;
 	unsigned long flags;
 
 	dbg("%s", __func__);
@@ -354,17 +356,18 @@ static int cypress_serial_control(struct tty_struct *tty,
 	if (!priv->comm_is_ok)
 		return -ENODEV;
 
+	feature_buffer = kcalloc(feature_len, sizeof(u8), GFP_KERNEL);
+	if (!feature_buffer)
+		return -ENOMEM;
+
 	switch (cypress_request_type) {
 	case CYPRESS_SET_CONFIG:
-		new_baudrate = priv->baud_rate;
 		/* 0 means 'Hang up' so doesn't change the true bit rate */
-		if (baud_rate == 0)
-			new_baudrate = priv->baud_rate;
-		/* Change of speed ? */
-		else if (baud_rate != priv->baud_rate) {
+		new_baudrate = priv->baud_rate;
+		if (baud_rate && baud_rate != priv->baud_rate) {
 			dbg("%s - baud rate is changing", __func__);
 			retval = analyze_baud_rate(port, baud_rate);
-			if (retval >=  0) {
+			if (retval >= 0) {
 				new_baudrate = retval;
 				dbg("%s - New baud rate set to %d",
 				    __func__, new_baudrate);
@@ -373,9 +376,8 @@ static int cypress_serial_control(struct tty_struct *tty,
 		dbg("%s - baud rate is being sent as %d",
 					__func__, new_baudrate);
 
-		memset(feature_buffer, 0, sizeof(feature_buffer));
 		/* fill the feature_buffer with new configuration */
-		*((u_int32_t *)feature_buffer) = new_baudrate;
+		put_unaligned_le32(new_baudrate, feature_buffer);
 		feature_buffer[4] |= data_bits;   /* assign data bits in 2 bit space ( max 3 ) */
 		/* 1 bit gap */
 		feature_buffer[4] |= (stop_bits << 3);   /* assign stop bits in 1 bit space */
@@ -397,15 +399,15 @@ static int cypress_serial_control(struct tty_struct *tty,
 					HID_REQ_SET_REPORT,
 					USB_DIR_OUT | USB_RECIP_INTERFACE | USB_TYPE_CLASS,
 					0x0300, 0, feature_buffer,
-					sizeof(feature_buffer), 500);
+					feature_len, 500);
 
 			if (tries++ >= 3)
 				break;
 
-		} while (retval != sizeof(feature_buffer) &&
+		} while (retval != feature_len &&
 			 retval != -ENODEV);
 
-		if (retval != sizeof(feature_buffer)) {
+		if (retval != feature_len) {
 			dev_err(&port->dev, "%s - failed sending serial "
 				"line settings - %d\n", __func__, retval);
 			cypress_set_dead(port);
@@ -425,43 +427,42 @@ static int cypress_serial_control(struct tty_struct *tty,
 			/* Not implemented for this device,
 			   and if we try to do it we're likely
 			   to crash the hardware. */
-			return -ENOTTY;
+			retval = -ENOTTY;
+			goto out;
 		}
 		dbg("%s - retreiving serial line settings", __func__);
-		/* set initial values in feature buffer */
-		memset(feature_buffer, 0, sizeof(feature_buffer));
-
 		do {
 			retval = usb_control_msg(port->serial->dev,
 					usb_rcvctrlpipe(port->serial->dev, 0),
 					HID_REQ_GET_REPORT,
 					USB_DIR_IN | USB_RECIP_INTERFACE | USB_TYPE_CLASS,
 					0x0300, 0, feature_buffer,
-					sizeof(feature_buffer), 500);
+					feature_len, 500);
 
 			if (tries++ >= 3)
 				break;
-		} while (retval != sizeof(feature_buffer)
+		} while (retval != feature_len
 						&& retval != -ENODEV);
 
-		if (retval != sizeof(feature_buffer)) {
+		if (retval != feature_len) {
 			dev_err(&port->dev, "%s - failed to retrieve serial "
 				"line settings - %d\n", __func__, retval);
 			cypress_set_dead(port);
-			return retval;
+			goto out;
 		} else {
 			spin_lock_irqsave(&priv->lock, flags);
 			/* store the config in one byte, and later
 			   use bit masks to check values */
 			priv->current_config = feature_buffer[4];
-			priv->baud_rate = *((u_int32_t *)feature_buffer);
+			priv->baud_rate = get_unaligned_le32(feature_buffer);
 			spin_unlock_irqrestore(&priv->lock, flags);
 		}
 	}
 	spin_lock_irqsave(&priv->lock, flags);
 	++priv->cmd_count;
 	spin_unlock_irqrestore(&priv->lock, flags);
-
+out:
+	kfree(feature_buffer);
 	return retval;
 } /* cypress_serial_control */
 
@@ -690,7 +691,6 @@ static void cypress_dtr_rts(struct usb_serial_port *port, int on)
 {
 	struct cypress_private *priv = usb_get_serial_port_data(port);
 	/* drop dtr and rts */
-	priv = usb_get_serial_port_data(port);
 	spin_lock_irq(&priv->lock);
 	if (on == 0)
 		priv->line_control = 0;
@@ -1307,13 +1307,9 @@ static void cypress_read_int_callback(struct urb *urb)
 		spin_unlock_irqrestore(&priv->lock, flags);
 
 	/* process read if there is data other than line status */
-	if (tty && (bytes > i)) {
-		bytes = tty_buffer_request_room(tty, bytes);
-		for (; i < bytes ; ++i) {
-			dbg("pushing byte number %d - %d - %c", i, data[i],
-					data[i]);
-			tty_insert_flip_char(tty, data[i], tty_flag);
-		}
+	if (tty && bytes > i) {
+		tty_insert_flip_string_fixed_flag(tty, data + i,
+				bytes - i, tty_flag);
 		tty_flip_buffer_push(tty);
 	}
 
@@ -1325,9 +1321,9 @@ static void cypress_read_int_callback(struct urb *urb)
 continue_read:
 	tty_kref_put(tty);
 
-	/* Continue trying to always read... unless the port has closed. */
+	/* Continue trying to always read */
 
-	if (port->port.count > 0 && priv->comm_is_ok) {
+	if (priv->comm_is_ok) {
 		usb_fill_int_urb(port->interrupt_in_urb, port->serial->dev,
 				usb_rcvintpipe(port->serial->dev,
 					port->interrupt_in_endpointAddress),
@@ -1336,7 +1332,7 @@ continue_read:
 				cypress_read_int_callback, port,
 				priv->read_urb_interval);
 		result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
-		if (result) {
+		if (result && result != -EPERM) {
 			dev_err(&urb->dev->dev, "%s - failed resubmitting "
 					"read urb, error %d\n", __func__,
 					result);
@@ -1650,3 +1646,5 @@ module_param(stats, bool, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(stats, "Enable statistics or not");
 module_param(interval, int, S_IRUGO | S_IWUSR);
 MODULE_PARM_DESC(interval, "Overrides interrupt interval");
+module_param(unstable_bauds, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(unstable_bauds, "Allow unstable baud rates");
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 68e80be6b9e1..68b0aa5e516c 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -470,18 +470,18 @@ static int digi_read_oob_callback(struct urb *urb);
 
 static int debug;
 
-static struct usb_device_id id_table_combined [] = {
+static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(DIGI_VENDOR_ID, DIGI_2_ID) },
 	{ USB_DEVICE(DIGI_VENDOR_ID, DIGI_4_ID) },
 	{ }						/* Terminating entry */
 };
 
-static struct usb_device_id id_table_2 [] = {
+static const struct usb_device_id id_table_2[] = {
 	{ USB_DEVICE(DIGI_VENDOR_ID, DIGI_2_ID) },
 	{ }						/* Terminating entry */
 };
 
-static struct usb_device_id id_table_4 [] = {
+static const struct usb_device_id id_table_4[] = {
 	{ USB_DEVICE(DIGI_VENDOR_ID, DIGI_4_ID) },
 	{ }						/* Terminating entry */
 };
@@ -1262,10 +1262,10 @@ static void digi_write_bulk_callback(struct urb *urb)
 		return;
 	}
 
-	/* try to send any buffered data on this port, if it is open */
+	/* try to send any buffered data on this port */
 	spin_lock(&priv->dp_port_lock);
 	priv->dp_write_urb_in_use = 0;
-	if (port->port.count && priv->dp_out_buf_len > 0) {
+	if (priv->dp_out_buf_len > 0) {
 		*((unsigned char *)(port->write_urb->transfer_buffer))
 			= (unsigned char)DIGI_CMD_SEND_DATA;
 		*((unsigned char *)(port->write_urb->transfer_buffer) + 1)
@@ -1288,7 +1288,7 @@ static void digi_write_bulk_callback(struct urb *urb)
 	schedule_work(&priv->dp_wakeup_work);
 
 	spin_unlock(&priv->dp_port_lock);
-	if (ret)
+	if (ret && ret != -EPERM)
 		dev_err(&port->dev,
 			"%s: usb_submit_urb failed, ret=%d, port=%d\n",
 			__func__, ret, priv->dp_port_num);
@@ -1353,8 +1353,7 @@ static int digi_open(struct tty_struct *tty, struct usb_serial_port *port)
 	struct digi_port *priv = usb_get_serial_port_data(port);
 	struct ktermios not_termios;
 
-	dbg("digi_open: TOP: port=%d, open_count=%d",
-		priv->dp_port_num, port->port.count);
+	dbg("digi_open: TOP: port=%d", priv->dp_port_num);
 
 	/* be sure the device is started up */
 	if (digi_startup_device(port->serial) != 0)
@@ -1393,8 +1392,7 @@ static void digi_close(struct usb_serial_port *port)
 	unsigned char buf[32];
 	struct digi_port *priv = usb_get_serial_port_data(port);
 
-	dbg("digi_close: TOP: port=%d, open_count=%d",
-		priv->dp_port_num, port->port.count);
+	dbg("digi_close: TOP: port=%d", priv->dp_port_num);
 
 	mutex_lock(&port->serial->disc_mutex);
 	/* if disconnected, just clear flags */
@@ -1629,7 +1627,7 @@ static void digi_read_bulk_callback(struct urb *urb)
 	/* continue read */
 	urb->dev = port->serial->dev;
 	ret = usb_submit_urb(urb, GFP_ATOMIC);
-	if (ret != 0) {
+	if (ret != 0 && ret != -EPERM) {
 		dev_err(&port->dev,
 			"%s: failed resubmitting urb, ret=%d, port=%d\n",
 			__func__, ret, priv->dp_port_num);
@@ -1658,12 +1656,11 @@ static int digi_read_inb_callback(struct urb *urb)
 	int port_status = ((unsigned char *)urb->transfer_buffer)[2];
 	unsigned char *data = ((unsigned char *)urb->transfer_buffer) + 3;
 	int flag, throttled;
-	int i;
 	int status = urb->status;
 
 	/* do not process callbacks on closed ports */
 	/* but do continue the read chain */
-	if (port->port.count == 0)
+	if (urb->status == -ENOENT)
 		return 0;
 
 	/* short/multiple packet check */
@@ -1705,17 +1702,9 @@ static int digi_read_inb_callback(struct urb *urb)
 
 		/* data length is len-1 (one byte of len is port_status) */
 		--len;
-
-		len = tty_buffer_request_room(tty, len);
 		if (len > 0) {
-			/* Hot path */
-			if (flag == TTY_NORMAL)
-				tty_insert_flip_string(tty, data, len);
-			else {
-				for (i = 0; i < len; i++)
-					tty_insert_flip_char(tty,
-								data[i], flag);
-			}
+			tty_insert_flip_string_fixed_flag(tty, data, len,
+									flag);
 			tty_flip_buffer_push(tty);
 		}
 	}
@@ -1776,8 +1765,7 @@ static int digi_read_oob_callback(struct urb *urb)
 
 		tty = tty_port_tty_get(&port->port);
 		rts = 0;
-		if (port->port.count)
-			rts = tty->termios->c_cflag & CRTSCTS;
+		rts = tty->termios->c_cflag & CRTSCTS;
 		
 		if (opcode == DIGI_CMD_READ_INPUT_SIGNALS) {
 			spin_lock(&priv->dp_port_lock);
diff --git a/drivers/usb/serial/empeg.c b/drivers/usb/serial/empeg.c
index 7dd0e3eadbe6..5f740a1eacab 100644
--- a/drivers/usb/serial/empeg.c
+++ b/drivers/usb/serial/empeg.c
@@ -93,7 +93,7 @@ static void empeg_init_termios(struct tty_struct *tty);
 static void empeg_write_bulk_callback(struct urb *urb);
 static void empeg_read_bulk_callback(struct urb *urb);
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(EMPEG_VENDOR_ID, EMPEG_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
@@ -346,7 +346,6 @@ static void empeg_read_bulk_callback(struct urb *urb)
 	tty = tty_port_tty_get(&port->port);
 
 	if (urb->actual_length) {
-		tty_buffer_request_room(tty, urb->actual_length);
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 		bytes_in += urb->actual_length;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 7638828e7317..1d7c4fac02e8 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -33,12 +33,12 @@
 #include <linux/errno.h>
 #include <linux/init.h>
 #include <linux/slab.h>
-#include <linux/smp_lock.h>
 #include <linux/tty.h>
 #include <linux/tty_driver.h>
 #include <linux/tty_flip.h>
 #include <linux/module.h>
 #include <linux/spinlock.h>
+#include <linux/mutex.h>
 #include <linux/uaccess.h>
 #include <linux/usb.h>
 #include <linux/serial.h>
@@ -88,10 +88,10 @@ struct ftdi_private {
 
 	unsigned int latency;		/* latency setting in use */
 	spinlock_t tx_lock;	/* spinlock for transmit state */
-	unsigned long tx_bytes;
 	unsigned long tx_outstanding_bytes;
 	unsigned long tx_outstanding_urbs;
 	unsigned short max_packet_size;
+	struct mutex cfg_lock; /* Avoid mess by parallel calls of config ioctl() and change_speed() */
 };
 
 /* struct ftdi_sio_quirk is used by devices requiring special attention. */
@@ -614,6 +614,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_OCEANIC_PID) },
 	{ USB_DEVICE(TTI_VID, TTI_QL355P_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_RM_CANVIEW_PID) },
+	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
 	{ USB_DEVICE(BANDB_VID, BANDB_USOTL4_PID) },
 	{ USB_DEVICE(BANDB_VID, BANDB_USTL4_PID) },
 	{ USB_DEVICE(BANDB_VID, BANDB_USO9ML2_PID) },
@@ -657,6 +658,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(EVOLUTION_VID, EVOLUTION_ER1_PID) },
 	{ USB_DEVICE(EVOLUTION_VID, EVO_HYBRID_PID) },
 	{ USB_DEVICE(EVOLUTION_VID, EVO_RCM4_PID) },
+	{ USB_DEVICE(CONTEC_VID, CONTEC_COM1USBH_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ARTEMIS_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ATIK_ATK16C_PID) },
@@ -737,6 +739,10 @@ static struct usb_device_id id_table_combined [] = {
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(FTDI_VID, HAMEG_HO820_PID) },
 	{ USB_DEVICE(FTDI_VID, HAMEG_HO870_PID) },
+	{ USB_DEVICE(FTDI_VID, MJSG_GENERIC_PID) },
+	{ USB_DEVICE(FTDI_VID, MJSG_SR_RADIO_PID) },
+	{ USB_DEVICE(FTDI_VID, MJSG_HD_RADIO_PID) },
+	{ USB_DEVICE(FTDI_VID, MJSG_XM_RADIO_PID) },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };
@@ -812,7 +818,7 @@ static struct usb_serial_driver ftdi_sio_device = {
 		.name =		"ftdi_sio",
 	},
 	.description =		"FTDI USB Serial Device",
-	.usb_driver = 		&ftdi_driver ,
+	.usb_driver = 		&ftdi_driver,
 	.id_table =		id_table_combined,
 	.num_ports =		1,
 	.probe =		ftdi_sio_probe,
@@ -828,8 +834,8 @@ static struct usb_serial_driver ftdi_sio_device = {
 	.chars_in_buffer =	ftdi_chars_in_buffer,
 	.read_bulk_callback =	ftdi_read_bulk_callback,
 	.write_bulk_callback =	ftdi_write_bulk_callback,
-	.tiocmget =             ftdi_tiocmget,
-	.tiocmset =             ftdi_tiocmset,
+	.tiocmget =		ftdi_tiocmget,
+	.tiocmset =		ftdi_tiocmset,
 	.ioctl =		ftdi_ioctl,
 	.set_termios =		ftdi_set_termios,
 	.break_ctl =		ftdi_break_ctl,
@@ -935,7 +941,6 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set,
 							unsigned int clear)
 {
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
-	char *buf;
 	unsigned urb_value;
 	int rv;
 
@@ -944,10 +949,6 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set,
 		return 0;	/* no change */
 	}
 
-	buf = kmalloc(1, GFP_NOIO);
-	if (!buf)
-		return -ENOMEM;
-
 	clear &= ~set;	/* 'set' takes precedence over 'clear' */
 	urb_value = 0;
 	if (clear & TIOCM_DTR)
@@ -963,9 +964,7 @@ static int update_mctrl(struct usb_serial_port *port, unsigned int set,
 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST,
 			       FTDI_SIO_SET_MODEM_CTRL_REQUEST_TYPE,
 			       urb_value, priv->interface,
-			       buf, 0, WDR_TIMEOUT);
-
-	kfree(buf);
+			       NULL, 0, WDR_TIMEOUT);
 	if (rv < 0) {
 		dbg("%s Error from MODEM_CTRL urb: DTR %s, RTS %s",
 				__func__,
@@ -1124,16 +1123,11 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty,
 static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
 {
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
-	char *buf;
 	__u16 urb_value;
 	__u16 urb_index;
 	__u32 urb_index_value;
 	int rv;
 
-	buf = kmalloc(1, GFP_NOIO);
-	if (!buf)
-		return -ENOMEM;
-
 	urb_index_value = get_ftdi_divisor(tty, port);
 	urb_value = (__u16)urb_index_value;
 	urb_index = (__u16)(urb_index_value >> 16);
@@ -1146,9 +1140,7 @@ static int change_speed(struct tty_struct *tty, struct usb_serial_port *port)
 			    FTDI_SIO_SET_BAUDRATE_REQUEST,
 			    FTDI_SIO_SET_BAUDRATE_REQUEST_TYPE,
 			    urb_value, urb_index,
-			    buf, 0, WDR_SHORT_TIMEOUT);
-
-	kfree(buf);
+			    NULL, 0, WDR_SHORT_TIMEOUT);
 	return rv;
 }
 
@@ -1156,8 +1148,7 @@ static int write_latency_timer(struct usb_serial_port *port)
 {
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
 	struct usb_device *udev = port->serial->dev;
-	char buf[1];
-	int rv = 0;
+	int rv;
 	int l = priv->latency;
 
 	if (priv->flags & ASYNC_LOW_LATENCY)
@@ -1170,8 +1161,7 @@ static int write_latency_timer(struct usb_serial_port *port)
 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
 			     FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
 			     l, priv->interface,
-			     buf, 0, WDR_TIMEOUT);
-
+			     NULL, 0, WDR_TIMEOUT);
 	if (rv < 0)
 		dev_err(&port->dev, "Unable to write latency timer: %i\n", rv);
 	return rv;
@@ -1181,24 +1171,29 @@ static int read_latency_timer(struct usb_serial_port *port)
 {
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
 	struct usb_device *udev = port->serial->dev;
-	unsigned short latency = 0;
-	int rv = 0;
-
+	unsigned char *buf;
+	int rv;
 
 	dbg("%s", __func__);
 
+	buf = kmalloc(1, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+
 	rv = usb_control_msg(udev,
 			     usb_rcvctrlpipe(udev, 0),
 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST,
 			     FTDI_SIO_GET_LATENCY_TIMER_REQUEST_TYPE,
 			     0, priv->interface,
-			     (char *) &latency, 1, WDR_TIMEOUT);
-
-	if (rv < 0) {
+			     buf, 1, WDR_TIMEOUT);
+	if (rv < 0)
 		dev_err(&port->dev, "Unable to read latency timer: %i\n", rv);
-		return -EIO;
-	}
-	return latency;
+	else
+		priv->latency = buf[0];
+
+	kfree(buf);
+
+	return rv;
 }
 
 static int get_serial_info(struct usb_serial_port *port,
@@ -1229,7 +1224,7 @@ static int set_serial_info(struct tty_struct *tty,
 	if (copy_from_user(&new_serial, newinfo, sizeof(new_serial)))
 		return -EFAULT;
 
-	lock_kernel();
+	mutex_lock(&priv->cfg_lock);
 	old_priv = *priv;
 
 	/* Do error checking and permission checking */
@@ -1237,7 +1232,7 @@ static int set_serial_info(struct tty_struct *tty,
 	if (!capable(CAP_SYS_ADMIN)) {
 		if (((new_serial.flags & ~ASYNC_USR_MASK) !=
 		     (priv->flags & ~ASYNC_USR_MASK))) {
-			unlock_kernel();
+			mutex_unlock(&priv->cfg_lock);
 			return -EPERM;
 		}
 		priv->flags = ((priv->flags & ~ASYNC_USR_MASK) |
@@ -1248,7 +1243,7 @@ static int set_serial_info(struct tty_struct *tty,
 
 	if ((new_serial.baud_base != priv->baud_base) &&
 	    (new_serial.baud_base < 9600)) {
-	    	unlock_kernel();
+		mutex_unlock(&priv->cfg_lock);
 		return -EINVAL;
 	}
 
@@ -1278,11 +1273,11 @@ check_and_exit:
 	     (priv->flags & ASYNC_SPD_MASK)) ||
 	    (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) &&
 	     (old_priv.custom_divisor != priv->custom_divisor))) {
-		unlock_kernel();
 		change_speed(tty, port);
+		mutex_unlock(&priv->cfg_lock);
 	}
 	else
-		unlock_kernel();
+		mutex_unlock(&priv->cfg_lock);
 	return 0;
 
 } /* set_serial_info */
@@ -1338,20 +1333,20 @@ static void ftdi_determine_type(struct usb_serial_port *port)
 					__func__);
 		}
 	} else if (version < 0x200) {
-		/* Old device.  Assume its the original SIO. */
+		/* Old device.  Assume it's the original SIO. */
 		priv->chip_type = SIO;
 		priv->baud_base = 12000000 / 16;
 		priv->write_offset = 1;
 	} else if (version < 0x400) {
-		/* Assume its an FT8U232AM (or FT8U245AM) */
+		/* Assume it's an FT8U232AM (or FT8U245AM) */
 		/* (It might be a BM because of the iSerialNumber bug,
 		 * but it will still work as an AM device.) */
 		priv->chip_type = FT8U232AM;
 	} else if (version < 0x600) {
-		/* Assume its an FT232BM (or FT245BM) */
+		/* Assume it's an FT232BM (or FT245BM) */
 		priv->chip_type = FT232BM;
 	} else {
-		/* Assume its an FT232R  */
+		/* Assume it's an FT232R */
 		priv->chip_type = FT232RL;
 	}
 	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
@@ -1371,7 +1366,7 @@ static void ftdi_set_max_packet_size(struct usb_serial_port *port)
 	struct usb_endpoint_descriptor *ep_desc = &interface->cur_altsetting->endpoint[1].desc;
 
 	unsigned num_endpoints;
-	int i = 0;
+	int i;
 
 	num_endpoints = interface->cur_altsetting->desc.bNumEndpoints;
 	dev_info(&udev->dev, "Number of endpoints %d\n", num_endpoints);
@@ -1423,7 +1418,7 @@ static ssize_t store_latency_timer(struct device *dev,
 	struct usb_serial_port *port = to_usb_serial_port(dev);
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
 	int v = simple_strtoul(valbuf, NULL, 10);
-	int rv = 0;
+	int rv;
 
 	priv->latency = v;
 	rv = write_latency_timer(port);
@@ -1440,9 +1435,8 @@ static ssize_t store_event_char(struct device *dev,
 	struct usb_serial_port *port = to_usb_serial_port(dev);
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
 	struct usb_device *udev = port->serial->dev;
-	char buf[1];
 	int v = simple_strtoul(valbuf, NULL, 10);
-	int rv = 0;
+	int rv;
 
 	dbg("%s: setting event char = %i", __func__, v);
 
@@ -1451,8 +1445,7 @@ static ssize_t store_event_char(struct device *dev,
 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST,
 			     FTDI_SIO_SET_EVENT_CHAR_REQUEST_TYPE,
 			     v, priv->interface,
-			     buf, 0, WDR_TIMEOUT);
-
+			     NULL, 0, WDR_TIMEOUT);
 	if (rv < 0) {
 		dbg("Unable to write event character: %i", rv);
 		return -EIO;
@@ -1551,9 +1544,9 @@ static int ftdi_sio_port_probe(struct usb_serial_port *port)
 
 	kref_init(&priv->kref);
 	spin_lock_init(&priv->tx_lock);
+	mutex_init(&priv->cfg_lock);
 	init_waitqueue_head(&priv->delta_msr_wait);
-	/* This will push the characters through immediately rather
-	   than queue a task to deliver them */
+
 	priv->flags = ASYNC_LOW_LATENCY;
 
 	if (quirk && quirk->port_probe)
@@ -1585,7 +1578,8 @@ static int ftdi_sio_port_probe(struct usb_serial_port *port)
 
 	ftdi_determine_type(port);
 	ftdi_set_max_packet_size(port);
-	read_latency_timer(port);
+	if (read_latency_timer(port) < 0)
+		priv->latency = 16;
 	create_sysfs_attrs(port);
 	return 0;
 }
@@ -1630,8 +1624,6 @@ static int ftdi_NDI_device_setup(struct usb_serial *serial)
 {
 	struct usb_device *udev = serial->dev;
 	int latency = ndi_latency_timer;
-	int rv = 0;
-	char buf[1];
 
 	if (latency == 0)
 		latency = 1;
@@ -1641,10 +1633,11 @@ static int ftdi_NDI_device_setup(struct usb_serial *serial)
 	dbg("%s setting NDI device latency to %d", __func__, latency);
 	dev_info(&udev->dev, "NDI device with a latency value of %d", latency);
 
-	rv = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
+	/* FIXME: errors are not returned */
+	usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST,
 				FTDI_SIO_SET_LATENCY_TIMER_REQUEST_TYPE,
-				latency, 0, buf, 0, WDR_TIMEOUT);
+				latency, 0, NULL, 0, WDR_TIMEOUT);
 	return 0;
 }
 
@@ -1720,7 +1713,7 @@ static int ftdi_submit_read_urb(struct usb_serial_port *port, gfp_t mem_flags)
 			   urb->transfer_buffer_length,
 			   ftdi_read_bulk_callback, port);
 	result = usb_submit_urb(urb, mem_flags);
-	if (result)
+	if (result && result != -EPERM)
 		dev_err(&port->dev,
 			"%s - failed submitting read urb, error %d\n",
 							__func__, result);
@@ -1732,16 +1725,10 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
 	struct usb_device *dev = port->serial->dev;
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
 	unsigned long flags;
-
-	int result = 0;
-	char buf[1]; /* Needed for the usb_control_msg I think */
+	int result;
 
 	dbg("%s", __func__);
 
-	spin_lock_irqsave(&priv->tx_lock, flags);
-	priv->tx_bytes = 0;
-	spin_unlock_irqrestore(&priv->tx_lock, flags);
-
 	write_latency_timer(port);
 
 	/* No error checking for this (will get errors later anyway) */
@@ -1749,7 +1736,7 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
 	usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
 			FTDI_SIO_RESET_REQUEST, FTDI_SIO_RESET_REQUEST_TYPE,
 			FTDI_SIO_RESET_SIO,
-			priv->interface, buf, 0, WDR_TIMEOUT);
+			priv->interface, NULL, 0, WDR_TIMEOUT);
 
 	/* Termios defaults are set by usb_serial_init. We don't change
 	   port->tty->termios - this would lose speed settings, etc.
@@ -1777,7 +1764,6 @@ static int ftdi_open(struct tty_struct *tty, struct usb_serial_port *port)
 static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
 {
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
-	char buf[1];
 
 	mutex_lock(&port->serial->disc_mutex);
 	if (!port->serial->disconnected) {
@@ -1786,7 +1772,7 @@ static void ftdi_dtr_rts(struct usb_serial_port *port, int on)
 			    usb_sndctrlpipe(port->serial->dev, 0),
 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
 			    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
-			    0, priv->interface, buf, 0,
+			    0, priv->interface, NULL, 0,
 			    WDR_TIMEOUT) < 0) {
 			    dev_err(&port->dev, "error from flowcontrol urb\n");
 		}
@@ -1847,7 +1833,7 @@ static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
 	spin_lock_irqsave(&priv->tx_lock, flags);
 	if (priv->tx_outstanding_urbs > URB_UPPER_LIMIT) {
 		spin_unlock_irqrestore(&priv->tx_lock, flags);
-		dbg("%s - write limit hit\n", __func__);
+		dbg("%s - write limit hit", __func__);
 		return 0;
 	}
 	priv->tx_outstanding_urbs++;
@@ -1927,7 +1913,6 @@ static int ftdi_write(struct tty_struct *tty, struct usb_serial_port *port,
 	} else {
 		spin_lock_irqsave(&priv->tx_lock, flags);
 		priv->tx_outstanding_bytes += count;
-		priv->tx_bytes += count;
 		spin_unlock_irqrestore(&priv->tx_lock, flags);
 	}
 
@@ -2154,8 +2139,7 @@ static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
 {
 	struct usb_serial_port *port = tty->driver_data;
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
-	__u16 urb_value = 0;
-	char buf[1];
+	__u16 urb_value;
 
 	/* break_state = -1 to turn on break, and 0 to turn off break */
 	/* see drivers/char/tty_io.c to see it used */
@@ -2171,7 +2155,7 @@ static void ftdi_break_ctl(struct tty_struct *tty, int break_state)
 			FTDI_SIO_SET_DATA_REQUEST,
 			FTDI_SIO_SET_DATA_REQUEST_TYPE,
 			urb_value , priv->interface,
-			buf, 0, WDR_TIMEOUT) < 0) {
+			NULL, 0, WDR_TIMEOUT) < 0) {
 		dev_err(&port->dev, "%s FAILED to enable/disable break state "
 			"(state was %d)\n", __func__, break_state);
 	}
@@ -2195,7 +2179,6 @@ static void ftdi_set_termios(struct tty_struct *tty,
 	struct ktermios *termios = tty->termios;
 	unsigned int cflag = termios->c_cflag;
 	__u16 urb_value; /* will hold the new flags */
-	char buf[1]; /* Perhaps I should dynamically alloc this? */
 
 	/* Added for xon/xoff support */
 	unsigned int iflag = termios->c_iflag;
@@ -2246,12 +2229,10 @@ static void ftdi_set_termios(struct tty_struct *tty,
 	}
 	if (cflag & CSIZE) {
 		switch (cflag & CSIZE) {
-		case CS5: urb_value |= 5; dbg("Setting CS5"); break;
-		case CS6: urb_value |= 6; dbg("Setting CS6"); break;
 		case CS7: urb_value |= 7; dbg("Setting CS7"); break;
 		case CS8: urb_value |= 8; dbg("Setting CS8"); break;
 		default:
-			dev_err(&port->dev, "CSIZE was set but not CS5-CS8\n");
+			dev_err(&port->dev, "CSIZE was set but not CS7-CS8\n");
 		}
 	}
 
@@ -2263,7 +2244,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
 			    FTDI_SIO_SET_DATA_REQUEST,
 			    FTDI_SIO_SET_DATA_REQUEST_TYPE,
 			    urb_value , priv->interface,
-			    buf, 0, WDR_SHORT_TIMEOUT) < 0) {
+			    NULL, 0, WDR_SHORT_TIMEOUT) < 0) {
 		dev_err(&port->dev, "%s FAILED to set "
 			"databits/stopbits/parity\n", __func__);
 	}
@@ -2275,7 +2256,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 				    0, priv->interface,
-				    buf, 0, WDR_TIMEOUT) < 0) {
+				    NULL, 0, WDR_TIMEOUT) < 0) {
 			dev_err(&port->dev,
 				"%s error from disable flowcontrol urb\n",
 				__func__);
@@ -2284,9 +2265,11 @@ static void ftdi_set_termios(struct tty_struct *tty,
 		clear_mctrl(port, TIOCM_DTR | TIOCM_RTS);
 	} else {
 		/* set the baudrate determined before */
+		mutex_lock(&priv->cfg_lock);
 		if (change_speed(tty, port))
 			dev_err(&port->dev, "%s urb failed to set baudrate\n",
 				__func__);
+		mutex_unlock(&priv->cfg_lock);
 		/* Ensure RTS and DTR are raised when baudrate changed from 0 */
 		if (!old_termios || (old_termios->c_cflag & CBAUD) == B0)
 			set_mctrl(port, TIOCM_DTR | TIOCM_RTS);
@@ -2301,7 +2284,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
 				    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 				    0 , (FTDI_SIO_RTS_CTS_HS | priv->interface),
-				    buf, 0, WDR_TIMEOUT) < 0) {
+				    NULL, 0, WDR_TIMEOUT) < 0) {
 			dev_err(&port->dev,
 				"urb failed to set to rts/cts flow control\n");
 		}
@@ -2333,7 +2316,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 					    urb_value , (FTDI_SIO_XON_XOFF_HS
 							 | priv->interface),
-					    buf, 0, WDR_TIMEOUT) < 0) {
+					    NULL, 0, WDR_TIMEOUT) < 0) {
 				dev_err(&port->dev, "urb failed to set to "
 					"xon/xoff flow control\n");
 			}
@@ -2347,7 +2330,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST,
 					    FTDI_SIO_SET_FLOW_CTRL_REQUEST_TYPE,
 					    0, priv->interface,
-					    buf, 0, WDR_TIMEOUT) < 0) {
+					    NULL, 0, WDR_TIMEOUT) < 0) {
 				dev_err(&port->dev,
 					"urb failed to clear flow control\n");
 			}
@@ -2361,21 +2344,22 @@ static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
 {
 	struct usb_serial_port *port = tty->driver_data;
 	struct ftdi_private *priv = usb_get_serial_port_data(port);
-	unsigned char buf[2];
+	unsigned char *buf;
+	int len;
 	int ret;
 
 	dbg("%s TIOCMGET", __func__);
+
+	buf = kmalloc(2, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
+	/*
+	 * The 8U232AM returns a two byte value (the SIO a 1 byte value) in
+	 * the same format as the data returned from the in point.
+	 */
 	switch (priv->chip_type) {
 	case SIO:
-		/* Request the status from the device */
-		ret = usb_control_msg(port->serial->dev,
-			   usb_rcvctrlpipe(port->serial->dev, 0),
-			   FTDI_SIO_GET_MODEM_STATUS_REQUEST,
-			   FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
-			   0, 0,
-			   buf, 1, WDR_TIMEOUT);
-		if (ret < 0)
-			return ret;
+		len = 1;
 		break;
 	case FT8U232AM:
 	case FT232BM:
@@ -2383,27 +2367,30 @@ static int ftdi_tiocmget(struct tty_struct *tty, struct file *file)
 	case FT232RL:
 	case FT2232H:
 	case FT4232H:
-		/* the 8U232AM returns a two byte value (the sio is a 1 byte
-		   value) - in the same format as the data returned from the in
-		   point */
-		ret = usb_control_msg(port->serial->dev,
-				   usb_rcvctrlpipe(port->serial->dev, 0),
-				   FTDI_SIO_GET_MODEM_STATUS_REQUEST,
-				   FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
-				   0, priv->interface,
-				   buf, 2, WDR_TIMEOUT);
-		if (ret < 0)
-			return ret;
+		len = 2;
 		break;
 	default:
-		return -EFAULT;
+		ret = -EFAULT;
+		goto out;
 	}
 
-	return  (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
+	ret = usb_control_msg(port->serial->dev,
+			usb_rcvctrlpipe(port->serial->dev, 0),
+			FTDI_SIO_GET_MODEM_STATUS_REQUEST,
+			FTDI_SIO_GET_MODEM_STATUS_REQUEST_TYPE,
+			0, priv->interface,
+			buf, len, WDR_TIMEOUT);
+	if (ret < 0)
+		goto out;
+
+	ret = (buf[0] & FTDI_SIO_DSR_MASK ? TIOCM_DSR : 0) |
 		(buf[0] & FTDI_SIO_CTS_MASK ? TIOCM_CTS : 0) |
 		(buf[0]  & FTDI_SIO_RI_MASK  ? TIOCM_RI  : 0) |
 		(buf[0]  & FTDI_SIO_RLSD_MASK ? TIOCM_CD  : 0) |
 		priv->last_dtr_rts;
+out:
+	kfree(buf);
+	return ret;
 }
 
 static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
@@ -2508,8 +2495,7 @@ void ftdi_unthrottle(struct tty_struct *tty)
 	port->throttled = port->throttle_req = 0;
 	spin_unlock_irqrestore(&port->lock, flags);
 
-	/* Resubmit urb if throttled and open. */
-	if (was_throttled && test_bit(ASYNCB_INITIALIZED, &port->port.flags))
+	if (was_throttled)
 		ftdi_submit_read_urb(port, GFP_KERNEL);
 }
 
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index b0e0d64f822e..ff9bf80327a3 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -28,13 +28,13 @@
 #define FTDI_SIO_SET_FLOW_CTRL	2 /* Set flow control register */
 #define FTDI_SIO_SET_BAUD_RATE	3 /* Set baud rate */
 #define FTDI_SIO_SET_DATA	4 /* Set the data characteristics of the port */
-#define FTDI_SIO_GET_MODEM_STATUS	5 /* Retrieve current value of modern status register */
+#define FTDI_SIO_GET_MODEM_STATUS	5 /* Retrieve current value of modem status register */
 #define FTDI_SIO_SET_EVENT_CHAR	6 /* Set the event character */
 #define FTDI_SIO_SET_ERROR_CHAR	7 /* Set the error character */
 #define FTDI_SIO_SET_LATENCY_TIMER	9 /* Set the latency timer */
 #define FTDI_SIO_GET_LATENCY_TIMER	10 /* Get the latency timer */
 
-/* Interface indicies for FT2232, FT2232H and FT4232H devices*/
+/* Interface indices for FT2232, FT2232H and FT4232H devices */
 #define INTERFACE_A		1
 #define INTERFACE_B		2
 #define INTERFACE_C		3
@@ -270,7 +270,7 @@ typedef enum {
  *   BmRequestType:  0100 0000b
  *   bRequest:       FTDI_SIO_SET_FLOW_CTRL
  *   wValue:         Xoff/Xon
- *   wIndex:         Protocol/Port - hIndex is protocl / lIndex is port
+ *   wIndex:         Protocol/Port - hIndex is protocol / lIndex is port
  *   wLength:        0
  *   Data:           None
  *
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index c8951aeed983..75482cbc3998 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -22,7 +22,7 @@
 #define FTDI_8U232AM_ALT_PID 0x6006 /* FTDI's alternate PID for above */
 #define FTDI_8U2232C_PID 0x6010 /* Dual channel device */
 #define FTDI_4232H_PID 0x6011 /* Quad channel hi-speed device */
-#define FTDI_SIO_PID	0x8372	/* Product Id SIO application of 8U100AX  */
+#define FTDI_SIO_PID	0x8372	/* Product Id SIO application of 8U100AX */
 #define FTDI_232RL_PID  0xFBFA  /* Product ID for FT232RL */
 
 
@@ -49,7 +49,7 @@
 #define LMI_LM3S_DEVEL_BOARD_PID	0xbcd8
 #define LMI_LM3S_EVAL_BOARD_PID		0xbcd9
 
-#define FTDI_TURTELIZER_PID	0xBDC8 /* JTAG/RS-232 adapter by egnite GmBH */
+#define FTDI_TURTELIZER_PID	0xBDC8 /* JTAG/RS-232 adapter by egnite GmbH */
 
 /* OpenDCC (www.opendcc.de) product id */
 #define FTDI_OPENDCC_PID	0xBFD8
@@ -185,7 +185,7 @@
 #define FTDI_ELV_TFD128_PID	0xE0EC	/* ELV Temperatur-Feuchte-Datenlogger TFD 128 */
 #define FTDI_ELV_FM3RX_PID	0xE0ED	/* ELV Messwertuebertragung FM3 RX */
 #define FTDI_ELV_WS777_PID	0xE0EE	/* Conrad WS 777 */
-#define FTDI_ELV_EM1010PC_PID	0xE0EF	/* Engery monitor EM 1010 PC */
+#define FTDI_ELV_EM1010PC_PID	0xE0EF	/* Energy monitor EM 1010 PC */
 #define FTDI_ELV_CSI8_PID	0xE0F0	/* Computer-Schalt-Interface (CSI 8) */
 #define FTDI_ELV_EM1000DL_PID	0xE0F1	/* PC-Datenlogger fuer Energiemonitor (EM 1000 DL) */
 #define FTDI_ELV_PCK100_PID	0xE0F2	/* PC-Kabeltester (PCK 100) */
@@ -212,8 +212,8 @@
  * drivers, or possibly the Comedi drivers in some cases. */
 #define FTDI_ELV_CLI7000_PID	0xFB59	/* Computer-Light-Interface (CLI 7000) */
 #define FTDI_ELV_PPS7330_PID	0xFB5C	/* Processor-Power-Supply (PPS 7330) */
-#define FTDI_ELV_TFM100_PID	0xFB5D	/* Temperartur-Feuchte Messgeraet (TFM 100) */
-#define FTDI_ELV_UDF77_PID	0xFB5E	/* USB DCF Funkurh (UDF 77) */
+#define FTDI_ELV_TFM100_PID	0xFB5D	/* Temperatur-Feuchte-Messgeraet (TFM 100) */
+#define FTDI_ELV_UDF77_PID	0xFB5E	/* USB DCF Funkuhr (UDF 77) */
 #define FTDI_ELV_UIO88_PID	0xFB5F	/* USB-I/O Interface (UIO 88) */
 
 /*
@@ -320,7 +320,7 @@
 
 /*
  * 4N-GALAXY.DE PIDs for CAN-USB, USB-RS232, USB-RS422, USB-RS485,
- * USB-TTY activ, USB-TTY passiv.  Some PIDs are used by several devices
+ * USB-TTY aktiv, USB-TTY passiv.  Some PIDs are used by several devices
  * and I'm not entirely sure which are used by which.
  */
 #define FTDI_4N_GALAXY_DE_1_PID	0xF3C0
@@ -330,10 +330,10 @@
  * Linx Technologies product ids
  */
 #define LINX_SDMUSBQSS_PID	0xF448	/* Linx SDM-USB-QS-S */
-#define LINX_MASTERDEVEL2_PID   0xF449   /* Linx Master Development 2.0 */
-#define LINX_FUTURE_0_PID   0xF44A   /* Linx future device */
-#define LINX_FUTURE_1_PID   0xF44B   /* Linx future device */
-#define LINX_FUTURE_2_PID   0xF44C   /* Linx future device */
+#define LINX_MASTERDEVEL2_PID   0xF449	/* Linx Master Development 2.0 */
+#define LINX_FUTURE_0_PID   0xF44A	/* Linx future device */
+#define LINX_FUTURE_1_PID   0xF44B	/* Linx future device */
+#define LINX_FUTURE_2_PID   0xF44C	/* Linx future device */
 
 /*
  * Oceanic product ids
@@ -494,6 +494,20 @@
 #define RATOC_PRODUCT_ID_USB60F	0xb020
 
 /*
+ * Contec products (http://www.contec.com)
+ * Submitted by Daniel Sangorrin
+ */
+#define CONTEC_VID		0x06CE	/* Vendor ID */
+#define CONTEC_COM1USBH_PID	0x8311	/* COM-1(USB)H */
+
+/*
+ * Contec products (http://www.contec.com)
+ * Submitted by Daniel Sangorrin
+ */
+#define CONTEC_VID		0x06CE	/* Vendor ID */
+#define CONTEC_COM1USBH_PID	0x8311	/* COM-1(USB)H */
+
+/*
  * Definitions for B&B Electronics products.
  */
 #define BANDB_VID		0x0856	/* B&B Electronics Vendor ID */
@@ -642,7 +656,7 @@
 #define FALCOM_TWIST_PID	0x0001	/* Falcom Twist USB GPRS modem */
 #define FALCOM_SAMBA_PID	0x0005	/* Falcom Samba USB GPRS modem */
 
-/* Larsen and Brusgaard AltiTrack/USBtrack  */
+/* Larsen and Brusgaard AltiTrack/USBtrack */
 #define LARSENBRUSGAARD_VID		0x0FD8
 #define LB_ALTITRACK_PID		0x0001
 
@@ -971,7 +985,7 @@
 #define ALTI2_N3_PID	0x6001	/* Neptune 3 */
 
 /*
- * Dresden Elektronic Sensor Terminal Board
+ * Dresden Elektronik Sensor Terminal Board
  */
 #define DE_VID			0x1cf1 /* Vendor ID */
 #define STB_PID			0x0001 /* Sensor Terminal Board */
@@ -1002,3 +1016,11 @@
 #define EVO_8U232AM_PID	0x02FF	/* Evolution robotics RCM2 (FT232AM)*/
 #define EVO_HYBRID_PID		0x0302	/* Evolution robotics RCM4 PID (FT232BM)*/
 #define EVO_RCM4_PID		0x0303	/* Evolution robotics RCM4 PID */
+
+/*
+ * MJS Gadgets HD Radio / XM Radio / Sirius Radio interfaces (using VID 0x0403)
+ */
+#define MJSG_GENERIC_PID	0x9378
+#define MJSG_SR_RADIO_PID	0x9379
+#define MJSG_XM_RADIO_PID	0x937A
+#define MJSG_HD_RADIO_PID	0x937C
diff --git a/drivers/usb/serial/funsoft.c b/drivers/usb/serial/funsoft.c
index d30f736d2cc5..e21ce9ddfc63 100644
--- a/drivers/usb/serial/funsoft.c
+++ b/drivers/usb/serial/funsoft.c
@@ -18,7 +18,7 @@
 
 static int debug;
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x1404, 0xcddc) },
 	{ },
 };
diff --git a/drivers/usb/serial/garmin_gps.c b/drivers/usb/serial/garmin_gps.c
index 5ac900e5a50e..a42b29a695b2 100644
--- a/drivers/usb/serial/garmin_gps.c
+++ b/drivers/usb/serial/garmin_gps.c
@@ -210,7 +210,7 @@ static unsigned char const PRIVATE_REQ[]
 
 
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	/* the same device id seems to be used by all
 	   usb enabled GPS devices */
 	{ USB_DEVICE(GARMIN_VENDOR_ID, 3) },
@@ -271,7 +271,6 @@ static void send_to_tty(struct usb_serial_port *port,
 		usb_serial_debug_data(debug, &port->dev,
 					__func__, actual_length, data);
 
-		tty_buffer_request_room(tty, actual_length);
 		tty_insert_flip_string(tty, data, actual_length);
 		tty_flip_buffer_push(tty);
 	}
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 83443d6306d6..f804acb138ec 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -20,6 +20,7 @@
 #include <linux/usb/serial.h>
 #include <linux/uaccess.h>
 #include <linux/kfifo.h>
+#include <linux/serial.h>
 
 static int debug;
 
@@ -41,7 +42,7 @@ static struct usb_device_id generic_device_ids[2]; /* Initially all zeroes. */
 
 /* we want to look at all devices, as the vendor/product id can change
  * depending on the command line argument */
-static struct usb_device_id generic_serial_ids[] = {
+static const struct usb_device_id generic_serial_ids[] = {
 	{.driver_info = 42},
 	{}
 };
@@ -129,7 +130,7 @@ int usb_serial_generic_open(struct tty_struct *tty, struct usb_serial_port *port
 	spin_unlock_irqrestore(&port->lock, flags);
 
 	/* if we have a bulk endpoint, start reading from it */
-	if (serial->num_bulk_in) {
+	if (port->bulk_in_size) {
 		/* Start reading from the device */
 		usb_fill_bulk_urb(port->read_urb, serial->dev,
 				   usb_rcvbulkpipe(serial->dev,
@@ -158,10 +159,10 @@ static void generic_cleanup(struct usb_serial_port *port)
 	dbg("%s - port %d", __func__, port->number);
 
 	if (serial->dev) {
-		/* shutdown any bulk reads that might be going on */
-		if (serial->num_bulk_out)
+		/* shutdown any bulk transfers that might be going on */
+		if (port->bulk_out_size)
 			usb_kill_urb(port->write_urb);
-		if (serial->num_bulk_in)
+		if (port->bulk_in_size)
 			usb_kill_urb(port->read_urb);
 	}
 }
@@ -194,7 +195,7 @@ static int usb_serial_multi_urb_write(struct tty_struct *tty,
 		if (port->urbs_in_flight >
 		    port->serial->type->max_in_flight_urbs) {
 			spin_unlock_irqrestore(&port->lock, flags);
-			dbg("%s - write limit hit\n", __func__);
+			dbg("%s - write limit hit", __func__);
 			return bwrite;
 		}
 		port->tx_bytes_flight += towrite;
@@ -332,15 +333,15 @@ int usb_serial_generic_write(struct tty_struct *tty,
 
 	dbg("%s - port %d", __func__, port->number);
 
+	/* only do something if we have a bulk out endpoint */
+	if (!port->bulk_out_size)
+		return -ENODEV;
+
 	if (count == 0) {
 		dbg("%s - write request of 0 bytes", __func__);
 		return 0;
 	}
 
-	/* only do something if we have a bulk out endpoint */
-	if (!serial->num_bulk_out)
-		return 0;
-
 	if (serial->type->max_in_flight_urbs)
 		return usb_serial_multi_urb_write(tty, port,
 						  buf, count);
@@ -363,14 +364,19 @@ int usb_serial_generic_write_room(struct tty_struct *tty)
 	int room = 0;
 
 	dbg("%s - port %d", __func__, port->number);
+
+	if (!port->bulk_out_size)
+		return 0;
+
 	spin_lock_irqsave(&port->lock, flags);
 	if (serial->type->max_in_flight_urbs) {
 		if (port->urbs_in_flight < serial->type->max_in_flight_urbs)
 			room = port->bulk_out_size *
 				(serial->type->max_in_flight_urbs -
 				 port->urbs_in_flight);
-	} else if (serial->num_bulk_out)
+	} else {
 		room = kfifo_avail(&port->write_fifo);
+	}
 	spin_unlock_irqrestore(&port->lock, flags);
 
 	dbg("%s - returns %d", __func__, room);
@@ -381,15 +387,18 @@ int usb_serial_generic_chars_in_buffer(struct tty_struct *tty)
 {
 	struct usb_serial_port *port = tty->driver_data;
 	struct usb_serial *serial = port->serial;
-	int chars = 0;
 	unsigned long flags;
+	int chars;
 
 	dbg("%s - port %d", __func__, port->number);
 
+	if (!port->bulk_out_size)
+		return 0;
+
 	spin_lock_irqsave(&port->lock, flags);
 	if (serial->type->max_in_flight_urbs)
 		chars = port->tx_bytes_flight;
-	else if (serial->num_bulk_out)
+	else
 		chars = kfifo_len(&port->write_fifo);
 	spin_unlock_irqrestore(&port->lock, flags);
 
@@ -414,11 +423,13 @@ void usb_serial_generic_resubmit_read_urb(struct usb_serial_port *port,
 			   ((serial->type->read_bulk_callback) ?
 			     serial->type->read_bulk_callback :
 			     usb_serial_generic_read_bulk_callback), port);
+
 	result = usb_submit_urb(urb, mem_flags);
-	if (result)
+	if (result && result != -EPERM) {
 		dev_err(&port->dev,
 			"%s - failed resubmitting read urb, error %d\n",
 							__func__, result);
+	}
 }
 EXPORT_SYMBOL_GPL(usb_serial_generic_resubmit_read_urb);
 
@@ -497,23 +508,18 @@ void usb_serial_generic_write_bulk_callback(struct urb *urb)
 		if (port->urbs_in_flight < 0)
 			port->urbs_in_flight = 0;
 		spin_unlock_irqrestore(&port->lock, flags);
-
-		if (status) {
-			dbg("%s - nonzero multi-urb write bulk status "
-				"received: %d", __func__, status);
-			return;
-		}
 	} else {
 		port->write_urb_busy = 0;
 
-		if (status) {
-			dbg("%s - nonzero multi-urb write bulk status "
-				"received: %d", __func__, status);
+		if (status)
 			kfifo_reset_out(&port->write_fifo);
-		} else
+		else
 			usb_serial_generic_write_start(port);
 	}
 
+	if (status)
+		dbg("%s - non-zero urb status: %d", __func__, status);
+
 	usb_serial_port_softint(port);
 }
 EXPORT_SYMBOL_GPL(usb_serial_generic_write_bulk_callback);
@@ -585,7 +591,7 @@ int usb_serial_generic_resume(struct usb_serial *serial)
 
 	for (i = 0; i < serial->num_ports; i++) {
 		port = serial->port[i];
-		if (!port->port.count)
+		if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags))
 			continue;
 
 		if (port->read_urb) {
diff --git a/drivers/usb/serial/hp4x.c b/drivers/usb/serial/hp4x.c
index 431329275133..809379159b0e 100644
--- a/drivers/usb/serial/hp4x.c
+++ b/drivers/usb/serial/hp4x.c
@@ -29,7 +29,7 @@
 #define HP_VENDOR_ID 0x03f0
 #define HP49GP_PRODUCT_ID 0x0121
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(HP_VENDOR_ID, HP49GP_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index b97960ac92f2..3ef8df0ef888 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -364,42 +364,6 @@ static void update_edgeport_E2PROM(struct edgeport_serial *edge_serial)
 	release_firmware(fw);
 }
 
-
-/************************************************************************
- *									*
- *  Get string descriptor from device					*
- *									*
- ************************************************************************/
-static int get_string(struct usb_device *dev, int Id, char *string, int buflen)
-{
-	struct usb_string_descriptor StringDesc;
-	struct usb_string_descriptor *pStringDesc;
-
-	dbg("%s - USB String ID = %d", __func__, Id);
-
-	if (!usb_get_descriptor(dev, USB_DT_STRING, Id,
-					&StringDesc, sizeof(StringDesc)))
-		return 0;
-
-	pStringDesc = kmalloc(StringDesc.bLength, GFP_KERNEL);
-	if (!pStringDesc)
-		return 0;
-
-	if (!usb_get_descriptor(dev, USB_DT_STRING, Id,
-					pStringDesc, StringDesc.bLength)) {
-		kfree(pStringDesc);
-		return 0;
-	}
-
-	unicode_to_ascii(string, buflen,
-				pStringDesc->wData, pStringDesc->bLength/2);
-
-	kfree(pStringDesc);
-	dbg("%s - USB String %s", __func__, string);
-	return strlen(string);
-}
-
-
 #if 0
 /************************************************************************
  *
@@ -2007,7 +1971,7 @@ static void process_rcvd_status(struct edgeport_serial *edge_serial,
 			return;
 
 		case IOSP_EXT_STATUS_RX_CHECK_RSP:
-			dbg("%s ========== Port %u CHECK_RSP Sequence = %02x =============\n", __func__, edge_serial->rxPort, byte3);
+			dbg("%s ========== Port %u CHECK_RSP Sequence = %02x =============", __func__, edge_serial->rxPort, byte3);
 			/* Port->RxCheckRsp = true; */
 			return;
 		}
@@ -2075,7 +2039,7 @@ static void process_rcvd_status(struct edgeport_serial *edge_serial,
 		break;
 
 	default:
-		dbg("%s - Unrecognized IOSP status code %u\n", __func__, code);
+		dbg("%s - Unrecognized IOSP status code %u", __func__, code);
 		break;
 	}
 	return;
@@ -2091,18 +2055,13 @@ static void edge_tty_recv(struct device *dev, struct tty_struct *tty,
 {
 	int cnt;
 
-	do {
-		cnt = tty_buffer_request_room(tty, length);
-		if (cnt < length) {
-			dev_err(dev, "%s - dropping data, %d bytes lost\n",
-					__func__, length - cnt);
-			if (cnt == 0)
-				break;
-		}
-		tty_insert_flip_string(tty, data, cnt);
-		data += cnt;
-		length -= cnt;
-	} while (length > 0);
+	cnt = tty_insert_flip_string(tty, data, length);
+	if (cnt < length) {
+		dev_err(dev, "%s - dropping data, %d bytes lost\n",
+				__func__, length - cnt);
+	}
+	data += cnt;
+	length -= cnt;
 
 	tty_flip_buffer_push(tty);
 }
@@ -2530,7 +2489,7 @@ static int calc_baud_rate_divisor(int baudrate, int *divisor)
 
 		*divisor = custom;
 
-		dbg("%s - Baud %d = %d\n", __func__, baudrate, custom);
+		dbg("%s - Baud %d = %d", __func__, baudrate, custom);
 		return 0;
 	}
 
@@ -2915,7 +2874,7 @@ static void load_application_firmware(struct edgeport_serial *edge_serial)
 			break;
 
 		case EDGE_DOWNLOAD_FILE_NONE:
-			dbg     ("No download file specified, skipping download\n");
+			dbg("No download file specified, skipping download");
 			return;
 
 		default:
@@ -2997,10 +2956,12 @@ static int edge_startup(struct usb_serial *serial)
 	usb_set_serial_data(serial, edge_serial);
 
 	/* get the name for the device from the device */
-	i = get_string(dev, dev->descriptor.iManufacturer,
+	i = usb_string(dev, dev->descriptor.iManufacturer,
 	    &edge_serial->name[0], MAX_NAME_LEN+1);
+	if (i < 0)
+		i = 0;
 	edge_serial->name[i++] = ' ';
-	get_string(dev, dev->descriptor.iProduct,
+	usb_string(dev, dev->descriptor.iProduct,
 	    &edge_serial->name[i], MAX_NAME_LEN+2 - i);
 
 	dev_info(&serial->dev->dev, "%s detected\n", edge_serial->name);
diff --git a/drivers/usb/serial/io_tables.h b/drivers/usb/serial/io_tables.h
index 9241d3147513..feb56a4ca799 100644
--- a/drivers/usb/serial/io_tables.h
+++ b/drivers/usb/serial/io_tables.h
@@ -14,7 +14,7 @@
 #ifndef IO_TABLES_H
 #define IO_TABLES_H
 
-static struct usb_device_id edgeport_2port_id_table [] = {
+static const struct usb_device_id edgeport_2port_id_table[] = {
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_2) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_2I) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_421) },
@@ -23,7 +23,7 @@ static struct usb_device_id edgeport_2port_id_table [] = {
 	{ }
 };
 
-static struct usb_device_id edgeport_4port_id_table [] = {
+static const struct usb_device_id edgeport_4port_id_table[] = {
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_4) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_RAPIDPORT_4) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_4T) },
@@ -37,7 +37,7 @@ static struct usb_device_id edgeport_4port_id_table [] = {
 	{ }
 };
 
-static struct usb_device_id edgeport_8port_id_table [] = {
+static const struct usb_device_id edgeport_8port_id_table[] = {
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_8) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_16_DUAL_CPU) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_EDGEPORT_8I) },
@@ -47,7 +47,7 @@ static struct usb_device_id edgeport_8port_id_table [] = {
 	{ }
 };
 
-static struct usb_device_id Epic_port_id_table [] = {
+static const struct usb_device_id Epic_port_id_table[] = {
 	{ USB_DEVICE(USB_VENDOR_ID_NCR, NCR_DEVICE_ID_EPIC_0202) },
 	{ USB_DEVICE(USB_VENDOR_ID_NCR, NCR_DEVICE_ID_EPIC_0203) },
 	{ USB_DEVICE(USB_VENDOR_ID_NCR, NCR_DEVICE_ID_EPIC_0310) },
@@ -60,7 +60,7 @@ static struct usb_device_id Epic_port_id_table [] = {
 };
 
 /* Devices that this driver supports */
-static struct usb_device_id id_table_combined [] = {
+static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(USB_VENDOR_ID_ION,	ION_DEVICE_ID_EDGEPORT_4) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION,	ION_DEVICE_ID_RAPIDPORT_4) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION,	ION_DEVICE_ID_EDGEPORT_4T) },
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index d4cc0f7af400..aa876f71f228 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -134,7 +134,7 @@ struct edgeport_serial {
 
 
 /* Devices that this driver supports */
-static struct usb_device_id edgeport_1port_id_table [] = {
+static const struct usb_device_id edgeport_1port_id_table[] = {
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_1) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1I) },
@@ -154,7 +154,7 @@ static struct usb_device_id edgeport_1port_id_table [] = {
 	{ }
 };
 
-static struct usb_device_id edgeport_2port_id_table [] = {
+static const struct usb_device_id edgeport_2port_id_table[] = {
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2C) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_2I) },
@@ -177,7 +177,7 @@ static struct usb_device_id edgeport_2port_id_table [] = {
 };
 
 /* Devices that this driver supports */
-static struct usb_device_id id_table_combined [] = {
+static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_EDGEPORT_1) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1) },
 	{ USB_DEVICE(USB_VENDOR_ID_ION, ION_DEVICE_ID_TI_TI3410_EDGEPORT_1I) },
@@ -413,11 +413,18 @@ static int write_boot_mem(struct edgeport_serial *serial,
 {
 	int status = 0;
 	int i;
-	__u8 temp;
+	u8 *temp;
 
 	/* Must do a read before write */
 	if (!serial->TiReadI2C) {
-		status = read_boot_mem(serial, 0, 1, &temp);
+		temp = kmalloc(1, GFP_KERNEL);
+		if (!temp) {
+			dev_err(&serial->serial->dev->dev,
+					"%s - out of memory\n", __func__);
+			return -ENOMEM;
+		}
+		status = read_boot_mem(serial, 0, 1, temp);
+		kfree(temp);
 		if (status)
 			return status;
 	}
@@ -935,37 +942,47 @@ static int build_i2c_fw_hdr(__u8 *header, struct device *dev)
 static int i2c_type_bootmode(struct edgeport_serial *serial)
 {
 	int status;
-	__u8 data;
+	u8 *data;
+
+	data = kmalloc(1, GFP_KERNEL);
+	if (!data) {
+		dev_err(&serial->serial->dev->dev,
+				"%s - out of memory\n", __func__);
+		return -ENOMEM;
+	}
 
 	/* Try to read type 2 */
 	status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ,
-				DTK_ADDR_SPACE_I2C_TYPE_II, 0, &data, 0x01);
+				DTK_ADDR_SPACE_I2C_TYPE_II, 0, data, 0x01);
 	if (status)
 		dbg("%s - read 2 status error = %d", __func__, status);
 	else
-		dbg("%s - read 2 data = 0x%x", __func__, data);
-	if ((!status) && (data == UMP5152 || data == UMP3410)) {
+		dbg("%s - read 2 data = 0x%x", __func__, *data);
+	if ((!status) && (*data == UMP5152 || *data == UMP3410)) {
 		dbg("%s - ROM_TYPE_II", __func__);
 		serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II;
-		return 0;
+		goto out;
 	}
 
 	/* Try to read type 3 */
 	status = ti_vread_sync(serial->serial->dev, UMPC_MEMORY_READ,
-				DTK_ADDR_SPACE_I2C_TYPE_III, 0,	&data, 0x01);
+				DTK_ADDR_SPACE_I2C_TYPE_III, 0,	data, 0x01);
 	if (status)
 		dbg("%s - read 3 status error = %d", __func__, status);
 	else
-		dbg("%s - read 2 data = 0x%x", __func__, data);
-	if ((!status) && (data == UMP5152 || data == UMP3410)) {
+		dbg("%s - read 2 data = 0x%x", __func__, *data);
+	if ((!status) && (*data == UMP5152 || *data == UMP3410)) {
 		dbg("%s - ROM_TYPE_III", __func__);
 		serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_III;
-		return 0;
+		goto out;
 	}
 
 	dbg("%s - Unknown", __func__);
 	serial->TI_I2C_Type = DTK_ADDR_SPACE_I2C_TYPE_II;
-	return -ENODEV;
+	status = -ENODEV;
+out:
+	kfree(data);
+	return status;
 }
 
 static int bulk_xfer(struct usb_serial *serial, void *buffer,
@@ -1113,7 +1130,7 @@ static int download_fw(struct edgeport_serial *serial)
 				I2C_DESC_TYPE_FIRMWARE_BASIC, rom_desc);
 		if (start_address != 0) {
 			struct ti_i2c_firmware_rec *firmware_version;
-			__u8 record;
+			u8 *record;
 
 			dbg("%s - Found Type FIRMWARE (Type 2) record",
 								__func__);
@@ -1165,6 +1182,15 @@ static int download_fw(struct edgeport_serial *serial)
 				    OperationalMajorVersion,
 				    OperationalMinorVersion);
 
+				record = kmalloc(1, GFP_KERNEL);
+				if (!record) {
+					dev_err(dev, "%s - out of memory.\n",
+							__func__);
+					kfree(firmware_version);
+					kfree(rom_desc);
+					kfree(ti_manuf_desc);
+					return -ENOMEM;
+				}
 				/* In order to update the I2C firmware we must
 				 * change the type 2 record to type 0xF2. This
 				 * will force the UMP to come up in Boot Mode.
@@ -1177,13 +1203,14 @@ static int download_fw(struct edgeport_serial *serial)
 				 * firmware will update the record type from
 				 * 0xf2 to 0x02.
 				 */
-				record = I2C_DESC_TYPE_FIRMWARE_BLANK;
+				*record = I2C_DESC_TYPE_FIRMWARE_BLANK;
 
 				/* Change the I2C Firmware record type to
 				   0xf2 to trigger an update */
 				status = write_rom(serial, start_address,
-						sizeof(record),	&record);
+						sizeof(*record), record);
 				if (status) {
+					kfree(record);
 					kfree(firmware_version);
 					kfree(rom_desc);
 					kfree(ti_manuf_desc);
@@ -1196,19 +1223,21 @@ static int download_fw(struct edgeport_serial *serial)
 				 */
 				status = read_rom(serial,
 							start_address,
-							sizeof(record),
-							&record);
+							sizeof(*record),
+							record);
 				if (status) {
+					kfree(record);
 					kfree(firmware_version);
 					kfree(rom_desc);
 					kfree(ti_manuf_desc);
 					return status;
 				}
 
-				if (record != I2C_DESC_TYPE_FIRMWARE_BLANK) {
+				if (*record != I2C_DESC_TYPE_FIRMWARE_BLANK) {
 					dev_err(dev,
 						"%s - error resetting device\n",
 						__func__);
+					kfree(record);
 					kfree(firmware_version);
 					kfree(rom_desc);
 					kfree(ti_manuf_desc);
@@ -1226,6 +1255,7 @@ static int download_fw(struct edgeport_serial *serial)
 						__func__, status);
 
 				/* return an error on purpose. */
+				kfree(record);
 				kfree(firmware_version);
 				kfree(rom_desc);
 				kfree(ti_manuf_desc);
@@ -1686,7 +1716,7 @@ static void edge_interrupt_callback(struct urb *urb)
 	case TIUMP_INTERRUPT_CODE_MSR:	/* MSR */
 		/* Copy MSR from UMP */
 		msr = data[1];
-		dbg("%s - ===== Port %u MSR Status = %02x ======\n",
+		dbg("%s - ===== Port %u MSR Status = %02x ======",
 		     __func__, port_number, msr);
 		handle_new_msr(edge_port, msr);
 		break;
@@ -1790,7 +1820,6 @@ static void edge_tty_recv(struct device *dev, struct tty_struct *tty,
 {
 	int queued;
 
-	tty_buffer_request_room(tty, length);
 	queued = tty_insert_flip_string(tty, data, length);
 	if (queued < length)
 		dev_err(dev, "%s - dropping data, %d bytes lost\n",
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index d6231c38813e..3fea9298eb15 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -747,7 +747,6 @@ static void ipaq_read_bulk_callback(struct urb *urb)
 
 	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
-		tty_buffer_request_room(tty, urb->actual_length);
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 		bytes_in += urb->actual_length;
diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index 727d323f092a..e1d07840cee6 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -134,7 +134,7 @@ enum {
 
 #define IPW_WANTS_TO_SEND	0x30
 
-static struct usb_device_id usb_ipw_ids[] = {
+static const struct usb_device_id usb_ipw_ids[] = {
 	{ USB_DEVICE(IPW_VID, IPW_PID) },
 	{ },
 };
@@ -172,7 +172,6 @@ static void ipw_read_bulk_callback(struct urb *urb)
 
 	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
-		tty_buffer_request_room(tty, urb->actual_length);
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 	}
diff --git a/drivers/usb/serial/ir-usb.c b/drivers/usb/serial/ir-usb.c
index 95d8d26b9a44..4a0f51974232 100644
--- a/drivers/usb/serial/ir-usb.c
+++ b/drivers/usb/serial/ir-usb.c
@@ -100,7 +100,7 @@ static u8 ir_baud;
 static u8 ir_xbof;
 static u8 ir_add_bof;
 
-static struct usb_device_id ir_id_table[] = {
+static const struct usb_device_id ir_id_table[] = {
 	{ USB_DEVICE(0x050f, 0x0180) },		/* KC Technology, KC-180 */
 	{ USB_DEVICE(0x08e9, 0x0100) },		/* XTNDAccess */
 	{ USB_DEVICE(0x09c4, 0x0011) },		/* ACTiSys ACT-IR2000U */
@@ -445,11 +445,6 @@ static void ir_read_bulk_callback(struct urb *urb)
 
 	dbg("%s - port %d", __func__, port->number);
 
-	if (!port->port.count) {
-		dbg("%s - port closed.", __func__);
-		return;
-	}
-
 	switch (status) {
 	case 0: /* Successful */
 		/*
@@ -462,10 +457,8 @@ static void ir_read_bulk_callback(struct urb *urb)
 		usb_serial_debug_data(debug, &port->dev, __func__,
 						urb->actual_length, data);
 		tty = tty_port_tty_get(&port->port);
-		if (tty_buffer_request_room(tty, urb->actual_length - 1)) {
-			tty_insert_flip_string(tty, data+1, urb->actual_length - 1);
-			tty_flip_buffer_push(tty);
-		}
+		tty_insert_flip_string(tty, data+1, urb->actual_length - 1);
+		tty_flip_buffer_push(tty);
 		tty_kref_put(tty);
 
 		/*
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index e6e02b178d2b..43f13cf2f016 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -43,7 +43,7 @@ static int debug;
 #define DRIVER_VERSION "v0.11"
 #define DRIVER_DESC "Infinity USB Unlimited Phoenix driver"
 
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
 	{USB_DEVICE(IUU_USB_VENDOR_ID, IUU_USB_PRODUCT_ID)},
 	{}			/* Terminating entry */
 };
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index f8c4b07033ff..297163c3c610 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -464,13 +464,9 @@ static void	usa26_indat_callback(struct urb *urb)
 
 	/* Resubmit urb so we continue receiving */
 	urb->dev = port->serial->dev;
-	if (port->port.count) {
-		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err != 0)
-			dbg("%s - resubmit read urb failed. (%d)",
-					__func__, err);
-	}
-	return;
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err != 0)
+		dbg("%s - resubmit read urb failed. (%d)", __func__, err);
 }
 
 /* Outdat handling is common for all devices */
@@ -483,8 +479,7 @@ static void	usa2x_outdat_callback(struct urb *urb)
 	p_priv = usb_get_serial_port_data(port);
 	dbg("%s - urb %d", __func__, urb == p_priv->out_urbs[1]);
 
-	if (port->port.count)
-		usb_serial_port_softint(port);
+	usb_serial_port_softint(port);
 }
 
 static void	usa26_inack_callback(struct urb *urb)
@@ -615,12 +610,10 @@ static void usa28_indat_callback(struct urb *urb)
 
 		/* Resubmit urb so we continue receiving */
 		urb->dev = port->serial->dev;
-		if (port->port.count) {
-			err = usb_submit_urb(urb, GFP_ATOMIC);
-			if (err != 0)
-				dbg("%s - resubmit read urb failed. (%d)",
-								__func__, err);
-		}
+		err = usb_submit_urb(urb, GFP_ATOMIC);
+		if (err != 0)
+			dbg("%s - resubmit read urb failed. (%d)",
+							__func__, err);
 		p_priv->in_flip ^= 1;
 
 		urb = p_priv->in_urbs[p_priv->in_flip];
@@ -856,12 +849,9 @@ static void	usa49_indat_callback(struct urb *urb)
 
 	/* Resubmit urb so we continue receiving */
 	urb->dev = port->serial->dev;
-	if (port->port.count) {
-		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err != 0)
-			dbg("%s - resubmit read urb failed. (%d)",
-							__func__, err);
-	}
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err != 0)
+		dbg("%s - resubmit read urb failed. (%d)", __func__, err);
 }
 
 static void usa49wg_indat_callback(struct urb *urb)
@@ -904,11 +894,7 @@ static void usa49wg_indat_callback(struct urb *urb)
 				/* no error on any byte */
 				i++;
 				for (x = 1; x < len ; ++x)
-					if (port->port.count)
-						tty_insert_flip_char(tty,
-								data[i++], 0);
-					else
-						i++;
+					tty_insert_flip_char(tty, data[i++], 0);
 			} else {
 				/*
 				 * some bytes had errors, every byte has status
@@ -922,14 +908,12 @@ static void usa49wg_indat_callback(struct urb *urb)
 					if (stat & RXERROR_PARITY)
 						flag |= TTY_PARITY;
 					/* XXX should handle break (0x10) */
-					if (port->port.count)
-						tty_insert_flip_char(tty,
+					tty_insert_flip_char(tty,
 							data[i+1], flag);
 					i += 2;
 				}
 			}
-			if (port->port.count)
-				tty_flip_buffer_push(tty);
+			tty_flip_buffer_push(tty);
 			tty_kref_put(tty);
 		}
 	}
@@ -1013,13 +997,9 @@ static void usa90_indat_callback(struct urb *urb)
 
 	/* Resubmit urb so we continue receiving */
 	urb->dev = port->serial->dev;
-	if (port->port.count) {
-		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err != 0)
-			dbg("%s - resubmit read urb failed. (%d)",
-							__func__, err);
-	}
-	return;
+	err = usb_submit_urb(urb, GFP_ATOMIC);
+	if (err != 0)
+		dbg("%s - resubmit read urb failed. (%d)", __func__, err);
 }
 
 
@@ -2418,8 +2398,7 @@ static int keyspan_usa90_send_setup(struct usb_serial *serial,
 		msg.portEnabled = 0;
 	/* Sending intermediate configs */
 	else {
-		if (port->port.count)
-			msg.portEnabled = 1;
+		msg.portEnabled = 1;
 		msg.txBreak = (p_priv->break_on);
 	}
 
diff --git a/drivers/usb/serial/keyspan.h b/drivers/usb/serial/keyspan.h
index 30771e5b3973..bf3297ddd186 100644
--- a/drivers/usb/serial/keyspan.h
+++ b/drivers/usb/serial/keyspan.h
@@ -456,7 +456,7 @@ static const struct keyspan_device_details *keyspan_devices[] = {
 	NULL,
 };
 
-static struct usb_device_id keyspan_ids_combined[] = {
+static const struct usb_device_id keyspan_ids_combined[] = {
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa18x_pre_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19_pre_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19w_pre_product_id) },
@@ -497,7 +497,7 @@ static struct usb_driver keyspan_driver = {
 };
 
 /* usb_device_id table for the pre-firmware download keyspan devices */
-static struct usb_device_id keyspan_pre_ids[] = {
+static const struct usb_device_id keyspan_pre_ids[] = {
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa18x_pre_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19_pre_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qi_pre_product_id) },
@@ -513,7 +513,7 @@ static struct usb_device_id keyspan_pre_ids[] = {
 	{ } /* Terminating entry */
 };
 
-static struct usb_device_id keyspan_1port_ids[] = {
+static const struct usb_device_id keyspan_1port_ids[] = {
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa18x_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa19qi_product_id) },
@@ -524,7 +524,7 @@ static struct usb_device_id keyspan_1port_ids[] = {
 	{ } /* Terminating entry */
 };
 
-static struct usb_device_id keyspan_2port_ids[] = {
+static const struct usb_device_id keyspan_2port_ids[] = {
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28x_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa28xa_product_id) },
@@ -532,7 +532,7 @@ static struct usb_device_id keyspan_2port_ids[] = {
 	{ } /* Terminating entry */
 };
 
-static struct usb_device_id keyspan_4port_ids[] = {
+static const struct usb_device_id keyspan_4port_ids[] = {
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49w_product_id) },
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wlc_product_id)},
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, keyspan_usa49wg_product_id)},
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 1296a097f5c3..185fe9a7d4e0 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -125,7 +125,7 @@ struct keyspan_pda_private {
 #define ENTREGRA_VENDOR_ID		0x1645
 #define ENTREGRA_FAKE_ID		0x8093
 
-static struct usb_device_id id_table_combined [] = {
+static const struct usb_device_id id_table_combined[] = {
 #ifdef KEYSPAN
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, KEYSPAN_PDA_FAKE_ID) },
 #endif
@@ -147,20 +147,20 @@ static struct usb_driver keyspan_pda_driver = {
 	.no_dynamic_id = 	1,
 };
 
-static struct usb_device_id id_table_std [] = {
+static const struct usb_device_id id_table_std[] = {
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, KEYSPAN_PDA_ID) },
 	{ }						/* Terminating entry */
 };
 
 #ifdef KEYSPAN
-static struct usb_device_id id_table_fake [] = {
+static const struct usb_device_id id_table_fake[] = {
 	{ USB_DEVICE(KEYSPAN_VENDOR_ID, KEYSPAN_PDA_FAKE_ID) },
 	{ }						/* Terminating entry */
 };
 #endif
 
 #ifdef XIRCOM
-static struct usb_device_id id_table_fake_xircom [] = {
+static const struct usb_device_id id_table_fake_xircom[] = {
 	{ USB_DEVICE(XIRCOM_VENDOR_ID, XIRCOM_FAKE_ID) },
 	{ USB_DEVICE(ENTREGRA_VENDOR_ID, ENTREGRA_FAKE_ID) },
 	{ }
@@ -429,13 +429,20 @@ static int keyspan_pda_get_modem_info(struct usb_serial *serial,
 				      unsigned char *value)
 {
 	int rc;
-	unsigned char data;
+	u8 *data;
+
+	data = kmalloc(1, GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
 	rc = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
 			     3, /* get pins */
 			     USB_TYPE_VENDOR|USB_RECIP_INTERFACE|USB_DIR_IN,
-			     0, 0, &data, 1, 2000);
+			     0, 0, data, 1, 2000);
 	if (rc >= 0)
-		*value = data;
+		*value = *data;
+
+	kfree(data);
 	return rc;
 }
 
@@ -543,7 +550,14 @@ static int keyspan_pda_write(struct tty_struct *tty,
 	   device how much room it really has.  This is done only on
 	   scheduler time, since usb_control_msg() sleeps. */
 	if (count > priv->tx_room && !in_interrupt()) {
-		unsigned char room;
+		u8 *room;
+
+		room = kmalloc(1, GFP_KERNEL);
+		if (!room) {
+			rc = -ENOMEM;
+			goto exit;
+		}
+
 		rc = usb_control_msg(serial->dev,
 				     usb_rcvctrlpipe(serial->dev, 0),
 				     6, /* write_room */
@@ -551,9 +565,14 @@ static int keyspan_pda_write(struct tty_struct *tty,
 				     | USB_DIR_IN,
 				     0, /* value: 0 means "remaining room" */
 				     0, /* index */
-				     &room,
+				     room,
 				     1,
 				     2000);
+		if (rc > 0) {
+			dbg(" roomquery says %d", *room);
+			priv->tx_room = *room;
+		}
+		kfree(room);
 		if (rc < 0) {
 			dbg(" roomquery failed");
 			goto exit;
@@ -563,8 +582,6 @@ static int keyspan_pda_write(struct tty_struct *tty,
 			rc = -EIO; /* device didn't return any data */
 			goto exit;
 		}
-		dbg(" roomquery says %d", room);
-		priv->tx_room = room;
 	}
 	if (count > priv->tx_room) {
 		/* we're about to completely fill the Tx buffer, so
@@ -684,18 +701,22 @@ static int keyspan_pda_open(struct tty_struct *tty,
 					struct usb_serial_port *port)
 {
 	struct usb_serial *serial = port->serial;
-	unsigned char room;
+	u8 *room;
 	int rc = 0;
 	struct keyspan_pda_private *priv;
 
 	/* find out how much room is in the Tx ring */
+	room = kmalloc(1, GFP_KERNEL);
+	if (!room)
+		return -ENOMEM;
+
 	rc = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
 			     6, /* write_room */
 			     USB_TYPE_VENDOR | USB_RECIP_INTERFACE
 			     | USB_DIR_IN,
 			     0, /* value */
 			     0, /* index */
-			     &room,
+			     room,
 			     1,
 			     2000);
 	if (rc < 0) {
@@ -708,8 +729,8 @@ static int keyspan_pda_open(struct tty_struct *tty,
 		goto error;
 	}
 	priv = usb_get_serial_port_data(port);
-	priv->tx_room = room;
-	priv->tx_throttled = room ? 0 : 1;
+	priv->tx_room = *room;
+	priv->tx_throttled = *room ? 0 : 1;
 
 	/*Start reading from the device*/
 	port->interrupt_in_urb->dev = serial->dev;
@@ -718,8 +739,8 @@ static int keyspan_pda_open(struct tty_struct *tty,
 		dbg("%s - usb_submit_urb(read int) failed", __func__);
 		goto error;
 	}
-
 error:
+	kfree(room);
 	return rc;
 }
 static void keyspan_pda_close(struct usb_serial_port *port)
@@ -789,6 +810,13 @@ static int keyspan_pda_fake_startup(struct usb_serial *serial)
 	return 1;
 }
 
+#ifdef KEYSPAN
+MODULE_FIRMWARE("keyspan_pda/keyspan_pda.fw");
+#endif
+#ifdef XIRCOM
+MODULE_FIRMWARE("keyspan_pda/xircom_pgs.fw");
+#endif
+
 static int keyspan_pda_startup(struct usb_serial *serial)
 {
 
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index 3a7873806f46..8eef91ba4b1c 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -94,7 +94,7 @@ static int  klsi_105_tiocmset(struct tty_struct *tty, struct file *file,
 /*
  * All of the device info needed for the KLSI converters.
  */
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(PALMCONNECT_VID, PALMCONNECT_PID) },
 	{ USB_DEVICE(KLSI_VID, KLSI_KL5KUSB105D_PID) },
 	{ }		/* Terminating entry */
@@ -212,10 +212,19 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
 				   unsigned long *line_state_p)
 {
 	int rc;
-	__u8 status_buf[KLSI_STATUSBUF_LEN] = { -1, -1};
+	u8 *status_buf;
 	__u16 status;
 
 	dev_info(&port->serial->dev->dev, "sending SIO Poll request\n");
+
+	status_buf = kmalloc(KLSI_STATUSBUF_LEN, GFP_KERNEL);
+	if (!status_buf) {
+		dev_err(&port->dev, "%s - out of memory for status buffer.\n",
+				__func__);
+		return -ENOMEM;
+	}
+	status_buf[0] = 0xff;
+	status_buf[1] = 0xff;
 	rc = usb_control_msg(port->serial->dev,
 			     usb_rcvctrlpipe(port->serial->dev, 0),
 			     KL5KUSB105A_SIO_POLL,
@@ -236,6 +245,8 @@ static int klsi_105_get_line_state(struct usb_serial_port *port,
 
 		*line_state_p = klsi_105_status2linestate(status);
 	}
+
+	kfree(status_buf);
 	return rc;
 }
 
@@ -364,7 +375,7 @@ static int  klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)
 	int rc;
 	int i;
 	unsigned long line_state;
-	struct klsi_105_port_settings cfg;
+	struct klsi_105_port_settings *cfg;
 	unsigned long flags;
 
 	dbg("%s port %d", __func__, port->number);
@@ -376,12 +387,18 @@ static int  klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)
 	 * Then read the modem line control and store values in
 	 * priv->line_state.
 	 */
-	cfg.pktlen   = 5;
-	cfg.baudrate = kl5kusb105a_sio_b9600;
-	cfg.databits = kl5kusb105a_dtb_8;
-	cfg.unknown1 = 0;
-	cfg.unknown2 = 1;
-	klsi_105_chg_port_settings(port, &cfg);
+	cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
+	if (!cfg) {
+		dev_err(&port->dev, "%s - out of memory for config buffer.\n",
+				__func__);
+		return -ENOMEM;
+	}
+	cfg->pktlen   = 5;
+	cfg->baudrate = kl5kusb105a_sio_b9600;
+	cfg->databits = kl5kusb105a_dtb_8;
+	cfg->unknown1 = 0;
+	cfg->unknown2 = 1;
+	klsi_105_chg_port_settings(port, cfg);
 
 	/* set up termios structure */
 	spin_lock_irqsave(&priv->lock, flags);
@@ -391,11 +408,11 @@ static int  klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)
 	priv->termios.c_lflag = tty->termios->c_lflag;
 	for (i = 0; i < NCCS; i++)
 		priv->termios.c_cc[i] = tty->termios->c_cc[i];
-	priv->cfg.pktlen   = cfg.pktlen;
-	priv->cfg.baudrate = cfg.baudrate;
-	priv->cfg.databits = cfg.databits;
-	priv->cfg.unknown1 = cfg.unknown1;
-	priv->cfg.unknown2 = cfg.unknown2;
+	priv->cfg.pktlen   = cfg->pktlen;
+	priv->cfg.baudrate = cfg->baudrate;
+	priv->cfg.databits = cfg->databits;
+	priv->cfg.unknown1 = cfg->unknown1;
+	priv->cfg.unknown2 = cfg->unknown2;
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	/* READ_ON and urb submission */
@@ -441,6 +458,7 @@ static int  klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)
 		retval = rc;
 
 exit:
+	kfree(cfg);
 	return retval;
 } /* klsi_105_open */
 
@@ -681,7 +699,6 @@ static void klsi_105_read_bulk_callback(struct urb *urb)
 			bytes_sent = urb->actual_length - 2;
 		}
 
-		tty_buffer_request_room(tty, bytes_sent);
 		tty_insert_flip_string(tty, data + 2, bytes_sent);
 		tty_flip_buffer_push(tty);
 		tty_kref_put(tty);
@@ -714,10 +731,17 @@ static void klsi_105_set_termios(struct tty_struct *tty,
 	unsigned int old_iflag = old_termios->c_iflag;
 	unsigned int cflag = tty->termios->c_cflag;
 	unsigned int old_cflag = old_termios->c_cflag;
-	struct klsi_105_port_settings cfg;
+	struct klsi_105_port_settings *cfg;
 	unsigned long flags;
 	speed_t baud;
 
+	cfg = kmalloc(sizeof(*cfg), GFP_KERNEL);
+	if (!cfg) {
+		dev_err(&port->dev, "%s - out of memory for config buffer.\n",
+				__func__);
+		return;
+	}
+
 	/* lock while we are modifying the settings */
 	spin_lock_irqsave(&priv->lock, flags);
 
@@ -793,11 +817,11 @@ static void klsi_105_set_termios(struct tty_struct *tty,
 		case CS5:
 			dbg("%s - 5 bits/byte not supported", __func__);
 			spin_unlock_irqrestore(&priv->lock, flags);
-			return ;
+			goto err;
 		case CS6:
 			dbg("%s - 6 bits/byte not supported", __func__);
 			spin_unlock_irqrestore(&priv->lock, flags);
-			return ;
+			goto err;
 		case CS7:
 			priv->cfg.databits = kl5kusb105a_dtb_7;
 			break;
@@ -856,11 +880,13 @@ static void klsi_105_set_termios(struct tty_struct *tty,
 #endif
 		;
 	}
-	memcpy(&cfg, &priv->cfg, sizeof(cfg));
+	memcpy(cfg, &priv->cfg, sizeof(*cfg));
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	/* now commit changes to device */
-	klsi_105_chg_port_settings(port, &cfg);
+	klsi_105_chg_port_settings(port, cfg);
+err:
+	kfree(cfg);
 } /* klsi_105_set_termios */
 
 
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 45ea694b3ae6..c113a2a0e10c 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -86,7 +86,7 @@ static void kobil_set_termios(struct tty_struct *tty,
 			struct usb_serial_port *port, struct ktermios *old);
 static void kobil_init_termios(struct tty_struct *tty);
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_B_PRODUCT_ID) },
 	{ USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_ADAPTER_K_PRODUCT_ID) },
 	{ USB_DEVICE(KOBIL_VENDOR_ID, KOBIL_USBTWIN_PRODUCT_ID) },
@@ -388,7 +388,6 @@ static void kobil_read_int_callback(struct urb *urb)
 		*/
 		/* END DEBUG */
 
-		tty_buffer_request_room(tty, urb->actual_length);
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 	}
@@ -624,7 +623,6 @@ static void kobil_set_termios(struct tty_struct *tty,
 	unsigned short urb_val = 0;
 	int c_cflag = tty->termios->c_cflag;
 	speed_t speed;
-	void *settings;
 
 	priv = usb_get_serial_port_data(port);
 	if (priv->device_type == KOBIL_USBTWIN_PRODUCT_ID ||
@@ -647,25 +645,13 @@ static void kobil_set_termios(struct tty_struct *tty,
 	}
 	urb_val |= (c_cflag & CSTOPB) ? SUSBCR_SPASB_2StopBits :
 							SUSBCR_SPASB_1StopBit;
-
-	settings = kzalloc(50, GFP_KERNEL);
-	if (!settings)
-		return;
-
-	sprintf(settings, "%d ", speed);
-
 	if (c_cflag & PARENB) {
-		if  (c_cflag & PARODD) {
+		if  (c_cflag & PARODD)
 			urb_val |= SUSBCR_SPASB_OddParity;
-			strcat(settings, "Odd Parity");
-		} else {
+		else
 			urb_val |= SUSBCR_SPASB_EvenParity;
-			strcat(settings, "Even Parity");
-		}
-	} else {
+	} else
 		urb_val |= SUSBCR_SPASB_NoParity;
-		strcat(settings, "No Parity");
-	}
 	tty->termios->c_cflag &= ~CMSPAR;
 	tty_encode_baud_rate(tty, speed, speed);
 
@@ -675,11 +661,10 @@ static void kobil_set_termios(struct tty_struct *tty,
 		  USB_TYPE_VENDOR | USB_RECIP_ENDPOINT | USB_DIR_OUT,
 		  urb_val,
 		  0,
-		  settings,
+		  NULL,
 		  0,
 		  KOBIL_TIMEOUT
 		);
-	kfree(settings);
 }
 
 static int kobil_ioctl(struct tty_struct *tty, struct file *file,
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index cd009cb280a5..2849f8c32015 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -75,6 +75,7 @@
 #include <linux/module.h>
 #include <linux/spinlock.h>
 #include <linux/uaccess.h>
+#include <asm/unaligned.h>
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
 #include "mct_u232.h"
@@ -110,7 +111,7 @@ static void mct_u232_unthrottle(struct tty_struct *tty);
 /*
  * All of the device info needed for the MCT USB-RS232 converter.
  */
-static struct usb_device_id id_table_combined [] = {
+static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(MCT_U232_VID, MCT_U232_PID) },
 	{ USB_DEVICE(MCT_U232_VID, MCT_U232_SITECOM_PID) },
 	{ USB_DEVICE(MCT_U232_VID, MCT_U232_DU_H3SP_PID) },
@@ -231,19 +232,22 @@ static int mct_u232_calculate_baud_rate(struct usb_serial *serial,
 static int mct_u232_set_baud_rate(struct tty_struct *tty,
 	struct usb_serial *serial, struct usb_serial_port *port, speed_t value)
 {
-	__le32 divisor;
+	unsigned int divisor;
 	int rc;
-	unsigned char zero_byte = 0;
+	unsigned char *buf;
 	unsigned char cts_enable_byte = 0;
 	speed_t speed;
 
-	divisor = cpu_to_le32(mct_u232_calculate_baud_rate(serial, value,
-								&speed));
+	buf = kmalloc(MCT_U232_MAX_SIZE, GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
 
+	divisor = mct_u232_calculate_baud_rate(serial, value, &speed);
+	put_unaligned_le32(cpu_to_le32(divisor), buf);
 	rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
 				MCT_U232_SET_BAUD_RATE_REQUEST,
 				MCT_U232_SET_REQUEST_TYPE,
-				0, 0, &divisor, MCT_U232_SET_BAUD_RATE_SIZE,
+				0, 0, buf, MCT_U232_SET_BAUD_RATE_SIZE,
 				WDR_TIMEOUT);
 	if (rc < 0)	/*FIXME: What value speed results */
 		dev_err(&port->dev, "Set BAUD RATE %d failed (error = %d)\n",
@@ -269,10 +273,11 @@ static int mct_u232_set_baud_rate(struct tty_struct *tty,
 	   a device which is not asserting 'CTS'.
 	*/
 
+	buf[0] = 0;
 	rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
 				MCT_U232_SET_UNKNOWN1_REQUEST,
 				MCT_U232_SET_REQUEST_TYPE,
-				0, 0, &zero_byte, MCT_U232_SET_UNKNOWN1_SIZE,
+				0, 0, buf, MCT_U232_SET_UNKNOWN1_SIZE,
 				WDR_TIMEOUT);
 	if (rc < 0)
 		dev_err(&port->dev, "Sending USB device request code %d "
@@ -284,30 +289,40 @@ static int mct_u232_set_baud_rate(struct tty_struct *tty,
 
 	dbg("set_baud_rate: send second control message, data = %02X",
 							cts_enable_byte);
+	buf[0] = cts_enable_byte;
 	rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
 			MCT_U232_SET_CTS_REQUEST,
 			MCT_U232_SET_REQUEST_TYPE,
-			0, 0, &cts_enable_byte, MCT_U232_SET_CTS_SIZE,
+			0, 0, buf, MCT_U232_SET_CTS_SIZE,
 			WDR_TIMEOUT);
 	if (rc < 0)
 		dev_err(&port->dev, "Sending USB device request code %d "
 			"failed (error = %d)\n", MCT_U232_SET_CTS_REQUEST, rc);
 
+	kfree(buf);
 	return rc;
 } /* mct_u232_set_baud_rate */
 
 static int mct_u232_set_line_ctrl(struct usb_serial *serial, unsigned char lcr)
 {
 	int rc;
+	unsigned char *buf;
+
+	buf = kmalloc(MCT_U232_MAX_SIZE, GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
+
+	buf[0] = lcr;
 	rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
 			MCT_U232_SET_LINE_CTRL_REQUEST,
 			MCT_U232_SET_REQUEST_TYPE,
-			0, 0, &lcr, MCT_U232_SET_LINE_CTRL_SIZE,
+			0, 0, buf, MCT_U232_SET_LINE_CTRL_SIZE,
 			WDR_TIMEOUT);
 	if (rc < 0)
 		dev_err(&serial->dev->dev,
 			"Set LINE CTRL 0x%x failed (error = %d)\n", lcr, rc);
 	dbg("set_line_ctrl: 0x%x", lcr);
+	kfree(buf);
 	return rc;
 } /* mct_u232_set_line_ctrl */
 
@@ -315,23 +330,31 @@ static int mct_u232_set_modem_ctrl(struct usb_serial *serial,
 				   unsigned int control_state)
 {
 	int rc;
-	unsigned char mcr = MCT_U232_MCR_NONE;
+	unsigned char mcr;
+	unsigned char *buf;
+
+	buf = kmalloc(MCT_U232_MAX_SIZE, GFP_KERNEL);
+	if (buf == NULL)
+		return -ENOMEM;
 
+	mcr = MCT_U232_MCR_NONE;
 	if (control_state & TIOCM_DTR)
 		mcr |= MCT_U232_MCR_DTR;
 	if (control_state & TIOCM_RTS)
 		mcr |= MCT_U232_MCR_RTS;
 
+	buf[0] = mcr;
 	rc = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0),
 			MCT_U232_SET_MODEM_CTRL_REQUEST,
 			MCT_U232_SET_REQUEST_TYPE,
-			0, 0, &mcr, MCT_U232_SET_MODEM_CTRL_SIZE,
+			0, 0, buf, MCT_U232_SET_MODEM_CTRL_SIZE,
 			WDR_TIMEOUT);
 	if (rc < 0)
 		dev_err(&serial->dev->dev,
 			"Set MODEM CTRL 0x%x failed (error = %d)\n", mcr, rc);
 	dbg("set_modem_ctrl: state=0x%x ==> mcr=0x%x", control_state, mcr);
 
+	kfree(buf);
 	return rc;
 } /* mct_u232_set_modem_ctrl */
 
@@ -339,17 +362,27 @@ static int mct_u232_get_modem_stat(struct usb_serial *serial,
 						unsigned char *msr)
 {
 	int rc;
+	unsigned char *buf;
+
+	buf = kmalloc(MCT_U232_MAX_SIZE, GFP_KERNEL);
+	if (buf == NULL) {
+		*msr = 0;
+		return -ENOMEM;
+	}
 	rc = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
 			MCT_U232_GET_MODEM_STAT_REQUEST,
 			MCT_U232_GET_REQUEST_TYPE,
-			0, 0, msr, MCT_U232_GET_MODEM_STAT_SIZE,
+			0, 0, buf, MCT_U232_GET_MODEM_STAT_SIZE,
 			WDR_TIMEOUT);
 	if (rc < 0) {
 		dev_err(&serial->dev->dev,
 			"Get MODEM STATus failed (error = %d)\n", rc);
 		*msr = 0;
+	} else {
+		*msr = buf[0];
 	}
 	dbg("get_modem_stat: 0x%x", *msr);
+	kfree(buf);
 	return rc;
 } /* mct_u232_get_modem_stat */
 
diff --git a/drivers/usb/serial/mct_u232.h b/drivers/usb/serial/mct_u232.h
index 07b6bec31dc8..7417d5ce1e23 100644
--- a/drivers/usb/serial/mct_u232.h
+++ b/drivers/usb/serial/mct_u232.h
@@ -73,6 +73,8 @@
 #define MCT_U232_SET_CTS_REQUEST   12
 #define MCT_U232_SET_CTS_SIZE       1
 
+#define MCT_U232_MAX_SIZE		4	/* of MCT_XXX_SIZE */
+
 /*
  * Baud rate (divisor)
  * Actually, there are two of them, MCT website calls them "Philips solution"
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 763e32a44be0..0d47f2c4d59f 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -81,12 +81,15 @@ struct moschip_serial {
 
 static int debug;
 
+static struct usb_serial_driver moschip7720_2port_driver;
+
 #define USB_VENDOR_ID_MOSCHIP		0x9710
 #define MOSCHIP_DEVICE_ID_7720		0x7720
 #define MOSCHIP_DEVICE_ID_7715		0x7715
 
-static struct usb_device_id moschip_port_id_table[] = {
+static const struct usb_device_id moschip_port_id_table[] = {
 	{ USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7720) },
+	{ USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7715) },
 	{ } /* terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, moschip_port_id_table);
@@ -106,7 +109,7 @@ static void mos7720_interrupt_callback(struct urb *urb)
 	__u8 sp1;
 	__u8 sp2;
 
-	dbg("%s", " : Entering\n");
+	dbg(" : Entering");
 
 	switch (status) {
 	case 0:
@@ -186,6 +189,75 @@ exit:
 }
 
 /*
+ * mos7715_interrupt_callback
+ *	this is the 7715's callback function for when we have received data on
+ *	the interrupt endpoint.
+ */
+static void mos7715_interrupt_callback(struct urb *urb)
+{
+	int result;
+	int length;
+	int status = urb->status;
+	__u8 *data;
+	__u8 iir;
+
+	switch (status) {
+	case 0:
+		/* success */
+		break;
+	case -ECONNRESET:
+	case -ENOENT:
+	case -ESHUTDOWN:
+		/* this urb is terminated, clean up */
+		dbg("%s - urb shutting down with status: %d", __func__,
+		    status);
+		return;
+	default:
+		dbg("%s - nonzero urb status received: %d", __func__,
+		    status);
+		goto exit;
+	}
+
+	length = urb->actual_length;
+	data = urb->transfer_buffer;
+
+	/* Structure of data from 7715 device:
+	 * Byte 1: IIR serial Port
+	 * Byte 2: unused
+	 * Byte 2: DSR parallel port
+	 * Byte 4: FIFO status for both */
+
+	if (unlikely(length != 4)) {
+		dbg("Wrong data !!!");
+		return;
+	}
+
+	iir = data[0];
+	if (!(iir & 0x01)) {	/* serial port interrupt pending */
+		switch (iir & 0x0f) {
+		case SERIAL_IIR_RLS:
+			dbg("Serial Port: Receiver status error or address "
+			    "bit detected in 9-bit mode\n");
+			break;
+		case SERIAL_IIR_CTI:
+			dbg("Serial Port: Receiver time out");
+			break;
+		case SERIAL_IIR_MS:
+			dbg("Serial Port: Modem status change");
+			break;
+		}
+	}
+
+exit:
+	result = usb_submit_urb(urb, GFP_ATOMIC);
+	if (result)
+		dev_err(&urb->dev->dev,
+			"%s - Error %d submitting control urb\n",
+			__func__, result);
+	return;
+}
+
+/*
  * mos7720_bulk_in_callback
  *	this is the callback function for when we have received data on the
  *	bulk in endpoint.
@@ -206,7 +278,7 @@ static void mos7720_bulk_in_callback(struct urb *urb)
 
 	mos7720_port = urb->context;
 	if (!mos7720_port) {
-		dbg("%s", "NULL mos7720_port pointer \n");
+		dbg("NULL mos7720_port pointer");
 		return ;
 	}
 
@@ -218,7 +290,6 @@ static void mos7720_bulk_in_callback(struct urb *urb)
 
 	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
-		tty_buffer_request_room(tty, urb->actual_length);
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 	}
@@ -275,17 +346,15 @@ static void mos7720_bulk_out_data_callback(struct urb *urb)
  *	this function will be used for sending command to device
  */
 static int send_mos_cmd(struct usb_serial *serial, __u8 request, __u16 value,
-			__u16 index, void *data)
+			__u16 index, u8 *data)
 {
 	int status;
-	unsigned int pipe;
+	u8 *buf;
 	u16 product = le16_to_cpu(serial->dev->descriptor.idProduct);
-	__u8 requesttype;
-	__u16 size = 0x0000;
 
 	if (value < MOS_MAX_PORT) {
 		if (product == MOSCHIP_DEVICE_ID_7715)
-			value = value*0x100+0x100;
+			value = 0x0200; /* identifies the 7715's serial port */
 		else
 			value = value*0x100+0x200;
 	} else {
@@ -298,27 +367,58 @@ static int send_mos_cmd(struct usb_serial *serial, __u8 request, __u16 value,
 	}
 
 	if (request == MOS_WRITE) {
-		request = (__u8)MOS_WRITE;
-		requesttype = (__u8)0x40;
-		value  = value + (__u16)*((unsigned char *)data);
-		data = NULL;
-		pipe = usb_sndctrlpipe(serial->dev, 0);
+		value = value + *data;
+		status = usb_control_msg(serial->dev,
+				usb_sndctrlpipe(serial->dev, 0), MOS_WRITE,
+				0x40, value, index, NULL, 0, MOS_WDR_TIMEOUT);
 	} else {
-		request = (__u8)MOS_READ;
-		requesttype = (__u8)0xC0;
-		size = 0x01;
-		pipe = usb_rcvctrlpipe(serial->dev, 0);
+		buf = kmalloc(1, GFP_KERNEL);
+		if (!buf) {
+			status = -ENOMEM;
+			goto out;
+		}
+		status = usb_control_msg(serial->dev,
+				usb_rcvctrlpipe(serial->dev, 0), MOS_READ,
+				0xc0, value, index, buf, 1, MOS_WDR_TIMEOUT);
+		*data = *buf;
+		kfree(buf);
 	}
-
-	status = usb_control_msg(serial->dev, pipe, request, requesttype,
-				 value, index, data, size, MOS_WDR_TIMEOUT);
-
+out:
 	if (status < 0)
-		dbg("Command Write failed Value %x index %x\n", value, index);
+		dbg("Command Write failed Value %x index %x", value, index);
 
 	return status;
 }
 
+
+/*
+ * mos77xx_probe
+ *	this function installs the appropriate read interrupt endpoint callback
+ *	depending on whether the device is a 7720 or 7715, thus avoiding costly
+ *	run-time checks in the high-frequency callback routine itself.
+ */
+static int mos77xx_probe(struct usb_serial *serial,
+			 const struct usb_device_id *id)
+{
+	if (id->idProduct == MOSCHIP_DEVICE_ID_7715)
+		moschip7720_2port_driver.read_int_callback =
+			mos7715_interrupt_callback;
+	else
+		moschip7720_2port_driver.read_int_callback =
+			mos7720_interrupt_callback;
+
+	return 0;
+}
+
+static int mos77xx_calc_num_ports(struct usb_serial *serial)
+{
+	u16 product = le16_to_cpu(serial->dev->descriptor.idProduct);
+	if (product == MOSCHIP_DEVICE_ID_7715)
+		return 1;
+
+	return 2;
+}
+
 static int mos7720_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
 	struct usb_serial *serial;
@@ -390,7 +490,7 @@ static int mos7720_open(struct tty_struct *tty, struct usb_serial_port *port)
 	  */
 	port_number = port->number - port->serial->minor;
 	send_mos_cmd(port->serial, MOS_READ, port_number, UART_LSR, &data);
-	dbg("SS::%p LSR:%x\n", mos7720_port, data);
+	dbg("SS::%p LSR:%x", mos7720_port, data);
 
 	dbg("Check:Sending Command ..........");
 
@@ -729,7 +829,7 @@ static void mos7720_throttle(struct tty_struct *tty)
 	struct moschip_port *mos7720_port;
 	int status;
 
-	dbg("%s- port %d\n", __func__, port->number);
+	dbg("%s- port %d", __func__, port->number);
 
 	mos7720_port = usb_get_serial_port_data(port);
 
@@ -1208,7 +1308,7 @@ static void mos7720_set_termios(struct tty_struct *tty,
 		return;
 	}
 
-	dbg("%s\n", "setting termios - ASPIRE");
+	dbg("setting termios - ASPIRE");
 
 	cflag = tty->termios->c_cflag;
 
@@ -1226,7 +1326,7 @@ static void mos7720_set_termios(struct tty_struct *tty,
 	change_port_settings(tty, mos7720_port, old_termios);
 
 	if (!port->read_urb) {
-		dbg("%s", "URB KILLED !!!!!\n");
+		dbg("URB KILLED !!!!!");
 		return;
 	}
 
@@ -1495,6 +1595,7 @@ static int mos7720_startup(struct usb_serial *serial)
 	struct usb_device *dev;
 	int i;
 	char data;
+	u16 product = le16_to_cpu(serial->dev->descriptor.idProduct);
 
 	dbg("%s: Entering ..........", __func__);
 
@@ -1514,6 +1615,29 @@ static int mos7720_startup(struct usb_serial *serial)
 
 	usb_set_serial_data(serial, mos7720_serial);
 
+	/*
+	 * The 7715 uses the first bulk in/out endpoint pair for the parallel
+	 * port, and the second for the serial port.  Because the usbserial core
+	 * assumes both pairs are serial ports, we must engage in a bit of
+	 * subterfuge and swap the pointers for ports 0 and 1 in order to make
+	 * port 0 point to the serial port.  However, both moschip devices use a
+	 * single interrupt-in endpoint for both ports (as mentioned a little
+	 * further down), and this endpoint was assigned to port 0.  So after
+	 * the swap, we must copy the interrupt endpoint elements from port 1
+	 * (as newly assigned) to port 0, and null out port 1 pointers.
+	 */
+	if (product == MOSCHIP_DEVICE_ID_7715) {
+		struct usb_serial_port *tmp = serial->port[0];
+		serial->port[0] = serial->port[1];
+		serial->port[1] = tmp;
+		serial->port[0]->interrupt_in_urb = tmp->interrupt_in_urb;
+		serial->port[0]->interrupt_in_buffer = tmp->interrupt_in_buffer;
+		serial->port[0]->interrupt_in_endpointAddress =
+			tmp->interrupt_in_endpointAddress;
+		serial->port[1]->interrupt_in_urb = NULL;
+		serial->port[1]->interrupt_in_buffer = NULL;
+	}
+
 	/* we set up the pointers to the endpoints in the mos7720_open *
 	 * function, as the structures aren't created yet.             */
 
@@ -1529,7 +1653,7 @@ static int mos7720_startup(struct usb_serial *serial)
 
 		/* Initialize all port interrupt end point to port 0 int
 		 * endpoint.  Our device has only one interrupt endpoint
-		 * comman to all ports */
+		 * common to all ports */
 		serial->port[i]->interrupt_in_endpointAddress =
 				serial->port[0]->interrupt_in_endpointAddress;
 
@@ -1584,11 +1708,12 @@ static struct usb_serial_driver moschip7720_2port_driver = {
 	.description		= "Moschip 2 port adapter",
 	.usb_driver		= &usb_driver,
 	.id_table		= moschip_port_id_table,
-	.num_ports		= 2,
+	.calc_num_ports		= mos77xx_calc_num_ports,
 	.open			= mos7720_open,
 	.close			= mos7720_close,
 	.throttle		= mos7720_throttle,
 	.unthrottle		= mos7720_unthrottle,
+	.probe			= mos77xx_probe,
 	.attach			= mos7720_startup,
 	.release		= mos7720_release,
 	.ioctl			= mos7720_ioctl,
@@ -1600,7 +1725,7 @@ static struct usb_serial_driver moschip7720_2port_driver = {
 	.chars_in_buffer	= mos7720_chars_in_buffer,
 	.break_ctl		= mos7720_break,
 	.read_bulk_callback	= mos7720_bulk_in_callback,
-	.read_int_callback	= mos7720_interrupt_callback,
+	.read_int_callback	= NULL  /* dynamically assigned in probe() */
 };
 
 static int __init moschip7720_init(void)
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index 2cfe2451ed97..2fda1c0182b7 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -181,7 +181,7 @@
 #define URB_TRANSFER_BUFFER_SIZE        32	/* URB Size  */
 
 
-static struct usb_device_id moschip_port_id_table[] = {
+static const struct usb_device_id moschip_port_id_table[] = {
 	{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7840)},
 	{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7820)},
 	{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USO9ML2_2)},
@@ -198,7 +198,7 @@ static struct usb_device_id moschip_port_id_table[] = {
 	{}			/* terminating entry */
 };
 
-static __devinitdata struct usb_device_id moschip_id_table_combined[] = {
+static const struct usb_device_id moschip_id_table_combined[] __devinitconst = {
 	{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7840)},
 	{USB_DEVICE(USB_VENDOR_ID_MOSCHIP, MOSCHIP_DEVICE_ID_7820)},
 	{USB_DEVICE(USB_VENDOR_ID_BANDB, BANDB_DEVICE_ID_USO9ML2_2)},
@@ -283,12 +283,19 @@ static int mos7840_get_reg_sync(struct usb_serial_port *port, __u16 reg,
 {
 	struct usb_device *dev = port->serial->dev;
 	int ret = 0;
+	u8 *buf;
+
+	buf = kmalloc(VENDOR_READ_LENGTH, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
 
 	ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), MCS_RDREQ,
-			      MCS_RD_RTYPE, 0, reg, val, VENDOR_READ_LENGTH,
+			      MCS_RD_RTYPE, 0, reg, buf, VENDOR_READ_LENGTH,
 			      MOS_WDR_TIMEOUT);
+	*val = buf[0];
 	dbg("mos7840_get_reg_sync offset is %x, return val %x", reg, *val);
-	*val = (*val) & 0x00ff;
+
+	kfree(buf);
 	return ret;
 }
 
@@ -341,6 +348,11 @@ static int mos7840_get_uart_reg(struct usb_serial_port *port, __u16 reg,
 	struct usb_device *dev = port->serial->dev;
 	int ret = 0;
 	__u16 Wval;
+	u8 *buf;
+
+	buf = kmalloc(VENDOR_READ_LENGTH, GFP_KERNEL);
+	if (!buf)
+		return -ENOMEM;
 
 	/* dbg("application number is %4x",
 	    (((__u16)port->number - (__u16)(port->serial->minor))+1)<<8); */
@@ -364,9 +376,11 @@ static int mos7840_get_uart_reg(struct usb_serial_port *port, __u16 reg,
 		}
 	}
 	ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), MCS_RDREQ,
-			      MCS_RD_RTYPE, Wval, reg, val, VENDOR_READ_LENGTH,
+			      MCS_RD_RTYPE, Wval, reg, buf, VENDOR_READ_LENGTH,
 			      MOS_WDR_TIMEOUT);
-	*val = (*val) & 0x00ff;
+	*val = buf[0];
+
+	kfree(buf);
 	return ret;
 }
 
@@ -750,7 +764,6 @@ static void mos7840_bulk_in_callback(struct urb *urb)
 	if (urb->actual_length) {
 		tty = tty_port_tty_get(&mos7840_port->port->port);
 		if (tty) {
-			tty_buffer_request_room(tty, urb->actual_length);
 			tty_insert_flip_string(tty, data, urb->actual_length);
 			dbg(" %s ", data);
 			tty_flip_buffer_push(tty);
diff --git a/drivers/usb/serial/moto_modem.c b/drivers/usb/serial/moto_modem.c
index 99bd00f5188a..cf1718394e18 100644
--- a/drivers/usb/serial/moto_modem.c
+++ b/drivers/usb/serial/moto_modem.c
@@ -21,7 +21,7 @@
 #include <linux/usb.h>
 #include <linux/usb/serial.h>
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x05c6, 0x3197) },	/* unknown Motorola phone */
 	{ USB_DEVICE(0x0c44, 0x0022) },	/* unknown Mororola phone */
 	{ USB_DEVICE(0x22b8, 0x2a64) },	/* Motorola KRZR K1m */
diff --git a/drivers/usb/serial/navman.c b/drivers/usb/serial/navman.c
index 5ceaa4c6be09..04a6cbbed2c0 100644
--- a/drivers/usb/serial/navman.c
+++ b/drivers/usb/serial/navman.c
@@ -22,7 +22,7 @@
 
 static int debug;
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x0a99, 0x0001) },	/* Talon Technology device */
 	{ },
 };
@@ -66,7 +66,6 @@ static void navman_read_int_callback(struct urb *urb)
 
 	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
-		tty_buffer_request_room(tty, urb->actual_length);
 		tty_insert_flip_string(tty, data, urb->actual_length);
 		tty_flip_buffer_push(tty);
 	}
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index 062265038bf0..89c724c0ac0a 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -75,7 +75,7 @@ static void omninet_disconnect(struct usb_serial *serial);
 static void omninet_release(struct usb_serial *serial);
 static int omninet_attach(struct usb_serial *serial);
 
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(ZYXEL_VENDOR_ID, ZYXEL_OMNINET_ID) },
 	{ USB_DEVICE(ZYXEL_VENDOR_ID, BT_IGNITIONPRO_ID) },
 	{ }						/* Terminating entry */
@@ -218,8 +218,8 @@ static void omninet_read_bulk_callback(struct urb *urb)
 
 	if (debug && header->oh_xxx != 0x30) {
 		if (urb->actual_length) {
-			printk(KERN_DEBUG __FILE__
-					": omninet_read %d: ", header->oh_len);
+			printk(KERN_DEBUG "%s: omninet_read %d: ",
+			       __FILE__, header->oh_len);
 			for (i = 0; i < (header->oh_len +
 						OMNINET_HEADERLEN); i++)
 				printk("%.2x ", data[i]);
@@ -332,7 +332,7 @@ static void omninet_write_bulk_callback(struct urb *urb)
 	struct usb_serial_port 	*port   =  urb->context;
 	int status = urb->status;
 
-	dbg("%s - port %0x\n", __func__, port->number);
+	dbg("%s - port %0x", __func__, port->number);
 
 	port->write_urb_busy = 0;
 	if (status) {
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c
index 4cdb975caa89..701452ae9197 100644
--- a/drivers/usb/serial/opticon.c
+++ b/drivers/usb/serial/opticon.c
@@ -22,7 +22,7 @@
 
 static int debug;
 
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x065a, 0x0009) },
 	{ },
 };
@@ -55,7 +55,6 @@ static void opticon_bulk_callback(struct urb *urb)
 	int status = urb->status;
 	struct tty_struct *tty;
 	int result;
-	int available_room = 0;
 	int data_length;
 
 	dbg("%s - port %d", __func__, port->number);
@@ -96,13 +95,9 @@ static void opticon_bulk_callback(struct urb *urb)
 			/* real data, send it to the tty layer */
 			tty = tty_port_tty_get(&port->port);
 			if (tty) {
-				available_room = tty_buffer_request_room(tty,
-								data_length);
-				if (available_room) {
-					tty_insert_flip_string(tty, data,
-							       available_room);
-					tty_flip_buffer_push(tty);
-				}
+				tty_insert_flip_string(tty, data,
+							       data_length);
+				tty_flip_buffer_push(tty);
 				tty_kref_put(tty);
 			}
 		} else {
@@ -120,7 +115,7 @@ static void opticon_bulk_callback(struct urb *urb)
 		}
 	} else {
 		dev_dbg(&priv->udev->dev,
-			"Improper ammount of data received from the device, "
+			"Improper amount of data received from the device, "
 			"%d bytes", urb->actual_length);
 	}
 
@@ -217,7 +212,7 @@ static int opticon_write(struct tty_struct *tty, struct usb_serial_port *port,
 	spin_lock_irqsave(&priv->lock, flags);
 	if (priv->outstanding_urbs > URB_UPPER_LIMIT) {
 		spin_unlock_irqrestore(&priv->lock, flags);
-		dbg("%s - write limit hit\n", __func__);
+		dbg("%s - write limit hit", __func__);
 		return 0;
 	}
 	priv->outstanding_urbs++;
@@ -288,7 +283,7 @@ static int opticon_write_room(struct tty_struct *tty)
 	spin_lock_irqsave(&priv->lock, flags);
 	if (priv->outstanding_urbs > URB_UPPER_LIMIT * 2 / 3) {
 		spin_unlock_irqrestore(&priv->lock, flags);
-		dbg("%s - write limit hit\n", __func__);
+		dbg("%s - write limit hit", __func__);
 		return 0;
 	}
 	spin_unlock_irqrestore(&priv->lock, flags);
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 6e94a6711f08..950cb311ca94 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -288,7 +288,9 @@ static int  option_resume(struct usb_serial *serial);
 
 #define QUALCOMM_VENDOR_ID			0x05C6
 
-#define MAXON_VENDOR_ID				0x16d8
+#define CMOTECH_VENDOR_ID			0x16d8
+#define CMOTECH_PRODUCT_6008			0x6008
+#define CMOTECH_PRODUCT_6280			0x6280
 
 #define TELIT_VENDOR_ID				0x1bc7
 #define TELIT_PRODUCT_UC864E			0x1003
@@ -309,6 +311,7 @@ static int  option_resume(struct usb_serial *serial);
 #define DLINK_VENDOR_ID				0x1186
 #define DLINK_PRODUCT_DWM_652			0x3e04
 #define DLINK_PRODUCT_DWM_652_U5		0xce16
+#define DLINK_PRODUCT_DWM_652_U5A		0xce1e
 
 #define QISDA_VENDOR_ID				0x1da5
 #define QISDA_PRODUCT_H21_4512			0x4512
@@ -332,19 +335,64 @@ static int  option_resume(struct usb_serial *serial);
 #define ALCATEL_VENDOR_ID			0x1bbb
 #define ALCATEL_PRODUCT_X060S			0x0000
 
+#define PIRELLI_VENDOR_ID			0x1266
+#define PIRELLI_PRODUCT_C100_1			0x1002
+#define PIRELLI_PRODUCT_C100_2			0x1003
+#define PIRELLI_PRODUCT_1004			0x1004
+#define PIRELLI_PRODUCT_1005			0x1005
+#define PIRELLI_PRODUCT_1006			0x1006
+#define PIRELLI_PRODUCT_1007			0x1007
+#define PIRELLI_PRODUCT_1008			0x1008
+#define PIRELLI_PRODUCT_1009			0x1009
+#define PIRELLI_PRODUCT_100A			0x100a
+#define PIRELLI_PRODUCT_100B			0x100b
+#define PIRELLI_PRODUCT_100C			0x100c
+#define PIRELLI_PRODUCT_100D			0x100d
+#define PIRELLI_PRODUCT_100E			0x100e
+#define PIRELLI_PRODUCT_100F			0x100f
+#define PIRELLI_PRODUCT_1011			0x1011
+#define PIRELLI_PRODUCT_1012			0x1012
+
 /* Airplus products */
 #define AIRPLUS_VENDOR_ID			0x1011
 #define AIRPLUS_PRODUCT_MCD650			0x3198
 
+/* Longcheer/Longsung vendor ID; makes whitelabel devices that
+ * many other vendors like 4G Systems, Alcatel, ChinaBird,
+ * Mobidata, etc sell under their own brand names.
+ */
+#define LONGCHEER_VENDOR_ID			0x1c9e
+
 /* 4G Systems products */
-#define FOUR_G_SYSTEMS_VENDOR_ID		0x1c9e
+/* This is the 4G XS Stick W14 a.k.a. Mobilcom Debitel Surf-Stick *
+ * It seems to contain a Qualcomm QSC6240/6290 chipset            */
 #define FOUR_G_SYSTEMS_PRODUCT_W14		0x9603
 
 /* Haier products */
 #define HAIER_VENDOR_ID				0x201e
 #define HAIER_PRODUCT_CE100			0x2009
 
-static struct usb_device_id option_ids[] = {
+/* some devices interfaces need special handling due to a number of reasons */
+enum option_blacklist_reason {
+		OPTION_BLACKLIST_NONE = 0,
+		OPTION_BLACKLIST_SENDSETUP = 1,
+		OPTION_BLACKLIST_RESERVED_IF = 2
+};
+
+struct option_blacklist_info {
+	const u32 infolen;	/* number of interface numbers on blacklist */
+	const u8  *ifaceinfo;	/* pointer to the array holding the numbers */
+	enum option_blacklist_reason reason;
+};
+
+static const u8 four_g_w14_no_sendsetup[] = { 0, 1 };
+static const struct option_blacklist_info four_g_w14_blacklist = {
+	.infolen = ARRAY_SIZE(four_g_w14_no_sendsetup),
+	.ifaceinfo = four_g_w14_no_sendsetup,
+	.reason = OPTION_BLACKLIST_SENDSETUP
+};
+
+static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) },
@@ -520,7 +568,8 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(KYOCERA_VENDOR_ID, KYOCERA_PRODUCT_KPC680) },
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6000)}, /* ZTE AC8700 */
 	{ USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */
-	{ USB_DEVICE(MAXON_VENDOR_ID, 0x6280) }, /* BP3-USB & BP3-EXT HSDPA */
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6280) }, /* BP3-USB & BP3-EXT HSDPA */
+	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864G) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
@@ -632,6 +681,7 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) },
 	{ USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) },
 	{ USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5) }, /* Yes, ALINK_VENDOR_ID */
+	{ USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5A) },
 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4512) },
 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H21_4523) },
 	{ USB_DEVICE(QISDA_VENDOR_ID, QISDA_PRODUCT_H20_4515) },
@@ -639,13 +689,32 @@ static struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_G450) },
 	{ USB_DEVICE(TOSHIBA_VENDOR_ID, TOSHIBA_PRODUCT_HSDPA_MINICARD ) }, /* Toshiba 3G HSDPA == Novatel Expedite EU870D MiniCard */
 	{ USB_DEVICE(ALINK_VENDOR_ID, 0x9000) },
-	{ USB_DEVICE(ALINK_VENDOR_ID, 0xce16) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ALINK_VENDOR_ID, ALINK_PRODUCT_3GU, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S) },
 	{ USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) },
 	{ USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) },
-	{ USB_DEVICE(FOUR_G_SYSTEMS_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14) },
+	{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
+  	  .driver_info = (kernel_ulong_t)&four_g_w14_blacklist
+  	},
 	{ USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) },
+	/* Pirelli  */
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_C100_1)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_C100_2)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1004)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1005)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1006)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1007)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1008)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1009)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100A)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100B) },
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100C) },
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100D) },
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100E) },
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_100F) },
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1011)},
+	{ USB_DEVICE(PIRELLI_VENDOR_ID, PIRELLI_PRODUCT_1012)},
+
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
@@ -709,6 +778,7 @@ struct option_intf_private {
 	spinlock_t susp_lock;
 	unsigned int suspended:1;
 	int in_flight;
+	struct option_blacklist_info *blacklist_info;
 };
 
 struct option_port_private {
@@ -768,19 +838,44 @@ static int option_probe(struct usb_serial *serial,
 			const struct usb_device_id *id)
 {
 	struct option_intf_private *data;
+
 	/* D-Link DWM 652 still exposes CD-Rom emulation interface in modem mode */
 	if (serial->dev->descriptor.idVendor == DLINK_VENDOR_ID &&
 		serial->dev->descriptor.idProduct == DLINK_PRODUCT_DWM_652 &&
 		serial->interface->cur_altsetting->desc.bInterfaceClass == 0x8)
 		return -ENODEV;
 
+	/* Bandrich modem and AT command interface is 0xff */
+	if ((serial->dev->descriptor.idVendor == BANDRICH_VENDOR_ID ||
+		serial->dev->descriptor.idVendor == PIRELLI_VENDOR_ID) &&
+		serial->interface->cur_altsetting->desc.bInterfaceClass != 0xff)
+		return -ENODEV;
+
 	data = serial->private = kzalloc(sizeof(struct option_intf_private), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
 	spin_lock_init(&data->susp_lock);
+	data->blacklist_info = (struct option_blacklist_info*) id->driver_info;
 	return 0;
 }
 
+static enum option_blacklist_reason is_blacklisted(const u8 ifnum,
+				const struct option_blacklist_info *blacklist)
+{
+	const u8  *info;
+	int i;
+
+	if (blacklist) {
+		info = blacklist->ifaceinfo;
+
+		for (i = 0; i < blacklist->infolen; i++) {
+			if (info[i] == ifnum)
+				return blacklist->reason;
+		}
+	}
+	return OPTION_BLACKLIST_NONE;
+}
+
 static void option_set_termios(struct tty_struct *tty,
 		struct usb_serial_port *port, struct ktermios *old_termios)
 {
@@ -921,7 +1016,6 @@ static void option_indat_callback(struct urb *urb)
 	} else {
 		tty = tty_port_tty_get(&port->port);
 		if (urb->actual_length) {
-			tty_buffer_request_room(tty, urb->actual_length);
 			tty_insert_flip_string(tty, data, urb->actual_length);
 			tty_flip_buffer_push(tty);
 		} else 
@@ -929,9 +1023,9 @@ static void option_indat_callback(struct urb *urb)
 		tty_kref_put(tty);
 
 		/* Resubmit urb so we continue receiving */
-		if (port->port.count && status != -ESHUTDOWN) {
+		if (status != -ESHUTDOWN) {
 			err = usb_submit_urb(urb, GFP_ATOMIC);
-			if (err)
+			if (err && err != -EPERM)
 				printk(KERN_ERR "%s: resubmit read urb failed. "
 					"(%d)", __func__, err);
 			else
@@ -985,7 +1079,7 @@ static void option_instat_callback(struct urb *urb)
 				(struct usb_ctrlrequest *)urb->transfer_buffer;
 
 		if (!req_pkt) {
-			dbg("%s: NULL req_pkt\n", __func__);
+			dbg("%s: NULL req_pkt", __func__);
 			return;
 		}
 		if ((req_pkt->bRequestType == 0xA1) &&
@@ -1211,11 +1305,19 @@ static void option_setup_urbs(struct usb_serial *serial)
 static int option_send_setup(struct usb_serial_port *port)
 {
 	struct usb_serial *serial = port->serial;
+	struct option_intf_private *intfdata =
+		(struct option_intf_private *) serial->private;
 	struct option_port_private *portdata;
 	int ifNum = serial->interface->cur_altsetting->desc.bInterfaceNumber;
 	int val = 0;
 	dbg("%s", __func__);
 
+	if (is_blacklisted(ifNum, intfdata->blacklist_info) ==
+						OPTION_BLACKLIST_SENDSETUP) {
+		dbg("No send_setup on blacklisted interface #%d\n", ifNum);
+		return -EIO;
+	}
+
 	portdata = usb_get_serial_port_data(port);
 
 	if (portdata->dtr_state)
@@ -1401,7 +1503,7 @@ static int option_resume(struct usb_serial *serial)
 	for (i = 0; i < serial->num_ports; i++) {
 		port = serial->port[i];
 		if (!port->interrupt_in_urb) {
-			dbg("%s: No interrupt URB for port %d\n", __func__, i);
+			dbg("%s: No interrupt URB for port %d", __func__, i);
 			continue;
 		}
 		err = usb_submit_urb(port->interrupt_in_urb, GFP_NOIO);
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index c644e26394b4..deeacdea05db 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -58,7 +58,7 @@
 #define OTI6858_AUTHOR "Tomasz Michal Lukaszewski <FIXME@FIXME>"
 #define OTI6858_VERSION "0.1"
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(OTI6858_VENDOR_ID, OTI6858_PRODUCT_ID) },
 	{ }
 };
@@ -302,7 +302,7 @@ void send_data(struct work_struct *work)
 	struct usb_serial_port *port = priv->port;
 	int count = 0, result;
 	unsigned long flags;
-	unsigned char allow;
+	u8 *allow;
 
 	dbg("%s(port = %d)", __func__, port->number);
 
@@ -321,13 +321,20 @@ void send_data(struct work_struct *work)
 		count = port->bulk_out_size;
 
 	if (count != 0) {
+		allow = kmalloc(1, GFP_KERNEL);
+		if (!allow) {
+			dev_err(&port->dev, "%s(): kmalloc failed\n",
+					__func__);
+			return;
+		}
 		result = usb_control_msg(port->serial->dev,
 				usb_rcvctrlpipe(port->serial->dev, 0),
 				OTI6858_REQ_T_CHECK_TXBUFF,
 				OTI6858_REQ_CHECK_TXBUFF,
-				count, 0, &allow, 1, 100);
-		if (result != 1 || allow != 0)
+				count, 0, allow, 1, 100);
+		if (result != 1 || *allow != 0)
 			count = 0;
+		kfree(allow);
 	}
 
 	if (count == 0) {
@@ -578,9 +585,6 @@ static int oti6858_open(struct tty_struct *tty, struct usb_serial_port *port)
 	usb_clear_halt(serial->dev, port->write_urb->pipe);
 	usb_clear_halt(serial->dev, port->read_urb->pipe);
 
-	if (port->port.count != 1)
-		return 0;
-
 	buf = kmalloc(OTI6858_CTRL_PKT_SIZE, GFP_KERNEL);
 	if (buf == NULL) {
 		dev_err(&port->dev, "%s(): out of memory!\n", __func__);
@@ -927,10 +931,6 @@ static void oti6858_read_bulk_callback(struct urb *urb)
 	spin_unlock_irqrestore(&priv->lock, flags);
 
 	if (status != 0) {
-		if (!port->port.count) {
-			dbg("%s(): port is closed, exiting", __func__);
-			return;
-		}
 		/*
 		if (status == -EPROTO) {
 			* PL2303 mysteriously fails with -EPROTO reschedule
@@ -954,14 +954,12 @@ static void oti6858_read_bulk_callback(struct urb *urb)
 	}
 	tty_kref_put(tty);
 
-	/* schedule the interrupt urb if we are still open */
-	if (port->port.count != 0) {
-		port->interrupt_in_urb->dev = port->serial->dev;
-		result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
-		if (result != 0) {
-			dev_err(&port->dev, "%s(): usb_submit_urb() failed,"
-					" error %d\n", __func__, result);
-		}
+	/* schedule the interrupt urb */
+	port->interrupt_in_urb->dev = port->serial->dev;
+	result = usb_submit_urb(port->interrupt_in_urb, GFP_ATOMIC);
+	if (result != 0 && result != -EPERM) {
+		dev_err(&port->dev, "%s(): usb_submit_urb() failed,"
+				" error %d\n", __func__, result);
 	}
 }
 
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 9ec1a49e2362..73d5f346d3e0 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -50,7 +50,7 @@ struct pl2303_buf {
 	char		*buf_put;
 };
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID) },
 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_RSAQ2) },
 	{ USB_DEVICE(PL2303_VENDOR_ID, PL2303_PRODUCT_ID_DCU11) },
@@ -451,7 +451,6 @@ static void pl2303_send(struct usb_serial_port *port)
 			      port->write_urb->transfer_buffer);
 
 	port->write_urb->transfer_buffer_length = count;
-	port->write_urb->dev = port->serial->dev;
 	result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 	if (result) {
 		dev_err(&port->dev, "%s - failed submitting write urb,"
@@ -769,7 +768,6 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
 		pl2303_set_termios(tty, port, &tmp_termios);
 
 	dbg("%s - submitting read urb", __func__);
-	port->read_urb->dev = serial->dev;
 	result = usb_submit_urb(port->read_urb, GFP_KERNEL);
 	if (result) {
 		dev_err(&port->dev, "%s - failed submitting read urb,"
@@ -779,7 +777,6 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
 	}
 
 	dbg("%s - submitting interrupt urb", __func__);
-	port->interrupt_in_urb->dev = serial->dev;
 	result = usb_submit_urb(port->interrupt_in_urb, GFP_KERNEL);
 	if (result) {
 		dev_err(&port->dev, "%s - failed submitting interrupt urb,"
@@ -895,10 +892,23 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg)
 static int pl2303_ioctl(struct tty_struct *tty, struct file *file,
 			unsigned int cmd, unsigned long arg)
 {
+	struct serial_struct ser;
 	struct usb_serial_port *port = tty->driver_data;
 	dbg("%s (%d) cmd = 0x%04x", __func__, port->number, cmd);
 
 	switch (cmd) {
+	case TIOCGSERIAL:
+		memset(&ser, 0, sizeof ser);
+		ser.type = PORT_16654;
+		ser.line = port->serial->minor;
+		ser.port = port->number;
+		ser.baud_base = 460800;
+
+		if (copy_to_user((void __user *)arg, &ser, sizeof ser))
+			return -EFAULT;
+
+		return 0;
+
 	case TIOCMIWAIT:
 		dbg("%s (%d) TIOCMIWAIT", __func__,  port->number);
 		return wait_modem_info(port, arg);
@@ -1042,7 +1052,6 @@ static void pl2303_push_data(struct tty_struct *tty,
 		tty_flag = TTY_FRAME;
 	dbg("%s - tty_flag = %d", __func__, tty_flag);
 
-	tty_buffer_request_room(tty, urb->actual_length + 1);
 	/* overrun is special, not associated with a char */
 	if (line_status & UART_OVERRUN_ERROR)
 		tty_insert_flip_char(tty, 0, TTY_OVERRUN);
@@ -1072,16 +1081,11 @@ static void pl2303_read_bulk_callback(struct urb *urb)
 
 	if (status) {
 		dbg("%s - urb status = %d", __func__, status);
-		if (!port->port.count) {
-			dbg("%s - port is closed, exiting.", __func__);
-			return;
-		}
 		if (status == -EPROTO) {
 			/* PL2303 mysteriously fails with -EPROTO reschedule
 			 * the read */
 			dbg("%s - caught -EPROTO, resubmitting the urb",
 			    __func__);
-			urb->dev = port->serial->dev;
 			result = usb_submit_urb(urb, GFP_ATOMIC);
 			if (result)
 				dev_err(&urb->dev->dev, "%s - failed"
@@ -1108,15 +1112,10 @@ static void pl2303_read_bulk_callback(struct urb *urb)
 	}
 	tty_kref_put(tty);
 	/* Schedule the next read _if_ we are still open */
-	if (port->port.count) {
-		urb->dev = port->serial->dev;
-		result = usb_submit_urb(urb, GFP_ATOMIC);
-		if (result)
-			dev_err(&urb->dev->dev, "%s - failed resubmitting"
-				" read urb, error %d\n", __func__, result);
-	}
-
-	return;
+	result = usb_submit_urb(urb, GFP_ATOMIC);
+	if (result && result != -EPERM)
+		dev_err(&urb->dev->dev, "%s - failed resubmitting"
+			" read urb, error %d\n", __func__, result);
 }
 
 static void pl2303_write_bulk_callback(struct urb *urb)
@@ -1146,7 +1145,6 @@ static void pl2303_write_bulk_callback(struct urb *urb)
 		dbg("%s - nonzero write bulk status received: %d", __func__,
 		    status);
 		port->write_urb->transfer_buffer_length = 1;
-		port->write_urb->dev = port->serial->dev;
 		result = usb_submit_urb(port->write_urb, GFP_ATOMIC);
 		if (result)
 			dev_err(&urb->dev->dev, "%s - failed resubmitting write"
diff --git a/drivers/usb/serial/qcaux.c b/drivers/usb/serial/qcaux.c
new file mode 100644
index 000000000000..0b9362061713
--- /dev/null
+++ b/drivers/usb/serial/qcaux.c
@@ -0,0 +1,96 @@
+/*
+ * Qualcomm USB Auxiliary Serial Port driver
+ *
+ * Copyright (C) 2008 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2010 Dan Williams <dcbw@redhat.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2 as
+ *  published by the Free Software Foundation.
+ *
+ * Devices listed here usually provide a CDC ACM port on which normal modem
+ * AT commands and PPP can be used.  But when that port is in-use by PPP it
+ * cannot be used simultaneously for status or signal strength.  Instead, the
+ * ports here can be queried for that information using the Qualcomm DM
+ * protocol.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+
+/* NOTE: for now, only use this driver for devices that provide a CDC-ACM port
+ * for normal AT commands, but also provide secondary USB interfaces for the
+ * QCDM-capable ports.  Devices that do not provide a CDC-ACM port should
+ * probably be driven by option.ko.
+ */
+
+/* UTStarcom/Pantech/Curitel devices */
+#define UTSTARCOM_VENDOR_ID			0x106c
+#define UTSTARCOM_PRODUCT_PC5740		0x3701
+#define UTSTARCOM_PRODUCT_PC5750		0x3702 /* aka Pantech PX-500 */
+#define UTSTARCOM_PRODUCT_UM150			0x3711
+#define UTSTARCOM_PRODUCT_UM175_V1		0x3712
+#define UTSTARCOM_PRODUCT_UM175_V2		0x3714
+#define UTSTARCOM_PRODUCT_UM175_ALLTEL		0x3715
+
+/* CMOTECH devices */
+#define CMOTECH_VENDOR_ID			0x16d8
+#define CMOTECH_PRODUCT_CDU550			0x5553
+#define CMOTECH_PRODUCT_CDX650			0x6512
+
+static struct usb_device_id id_table[] = {
+	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5740, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_PC5750, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM150, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V1, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_V2, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(UTSTARCOM_VENDOR_ID, UTSTARCOM_PRODUCT_UM175_ALLTEL, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDU550, 0xff, 0xff, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CDX650, 0xff, 0xff, 0x00) },
+	{ },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+static struct usb_driver qcaux_driver = {
+	.name =		"qcaux",
+	.probe =	usb_serial_probe,
+	.disconnect =	usb_serial_disconnect,
+	.id_table =	id_table,
+	.no_dynamic_id = 	1,
+};
+
+static struct usb_serial_driver qcaux_device = {
+	.driver = {
+		.owner =	THIS_MODULE,
+		.name =		"qcaux",
+	},
+	.id_table =		id_table,
+	.num_ports =		1,
+};
+
+static int __init qcaux_init(void)
+{
+	int retval;
+
+	retval = usb_serial_register(&qcaux_device);
+	if (retval)
+		return retval;
+	retval = usb_register(&qcaux_driver);
+	if (retval)
+		usb_serial_deregister(&qcaux_device);
+	return retval;
+}
+
+static void __exit qcaux_exit(void)
+{
+	usb_deregister(&qcaux_driver);
+	usb_serial_deregister(&qcaux_device);
+}
+
+module_init(qcaux_init);
+module_exit(qcaux_exit);
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 7528b8d57f1c..53a2d5a935a2 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -21,7 +21,7 @@
 
 static int debug;
 
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
 	{USB_DEVICE(0x05c6, 0x9211)},	/* Acer Gobi QDL device */
 	{USB_DEVICE(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
 	{USB_DEVICE(0x03f0, 0x1f1d)},	/* HP un2400 Gobi Modem Device */
@@ -47,6 +47,35 @@ static struct usb_device_id id_table[] = {
 	{USB_DEVICE(0x05c6, 0x9221)},	/* Generic Gobi QDL device */
 	{USB_DEVICE(0x05c6, 0x9231)},	/* Generic Gobi QDL device */
 	{USB_DEVICE(0x1f45, 0x0001)},	/* Unknown Gobi QDL device */
+	{USB_DEVICE(0x413c, 0x8185)},	/* Dell Gobi 2000 QDL device (N0218, VU936) */
+	{USB_DEVICE(0x413c, 0x8186)},	/* Dell Gobi 2000 Modem device (N0218, VU936) */
+	{USB_DEVICE(0x05c6, 0x9224)},	/* Sony Gobi 2000 QDL device (N0279, VU730) */
+	{USB_DEVICE(0x05c6, 0x9225)},	/* Sony Gobi 2000 Modem device (N0279, VU730) */
+	{USB_DEVICE(0x05c6, 0x9244)},	/* Samsung Gobi 2000 QDL device (VL176) */
+	{USB_DEVICE(0x05c6, 0x9245)},	/* Samsung Gobi 2000 Modem device (VL176) */
+	{USB_DEVICE(0x03f0, 0x241d)},	/* HP Gobi 2000 QDL device (VP412) */
+	{USB_DEVICE(0x03f0, 0x251d)},	/* HP Gobi 2000 Modem device (VP412) */
+	{USB_DEVICE(0x05c6, 0x9214)},	/* Acer Gobi 2000 QDL device (VP413) */
+	{USB_DEVICE(0x05c6, 0x9215)},	/* Acer Gobi 2000 Modem device (VP413) */
+	{USB_DEVICE(0x05c6, 0x9264)},	/* Asus Gobi 2000 QDL device (VR305) */
+	{USB_DEVICE(0x05c6, 0x9265)},	/* Asus Gobi 2000 Modem device (VR305) */
+	{USB_DEVICE(0x05c6, 0x9234)},	/* Top Global Gobi 2000 QDL device (VR306) */
+	{USB_DEVICE(0x05c6, 0x9235)},	/* Top Global Gobi 2000 Modem device (VR306) */
+	{USB_DEVICE(0x05c6, 0x9274)},	/* iRex Technologies Gobi 2000 QDL device (VR307) */
+	{USB_DEVICE(0x05c6, 0x9275)},	/* iRex Technologies Gobi 2000 Modem device (VR307) */
+	{USB_DEVICE(0x1199, 0x9000)},	/* Sierra Wireless Gobi 2000 QDL device (VT773) */
+	{USB_DEVICE(0x1199, 0x9001)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9002)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9003)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9004)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9005)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9006)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9007)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9008)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x9009)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x1199, 0x900a)},	/* Sierra Wireless Gobi 2000 Modem device (VT773) */
+	{USB_DEVICE(0x16d8, 0x8001)},	/* CMDTech Gobi 2000 QDL device (VU922) */
+	{USB_DEVICE(0x16d8, 0x8002)},	/* CMDTech Gobi 2000 Modem device (VU922) */
 	{ }				/* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/drivers/usb/serial/siemens_mpi.c b/drivers/usb/serial/siemens_mpi.c
index 951ea0c6ba77..cb8195cabfde 100644
--- a/drivers/usb/serial/siemens_mpi.c
+++ b/drivers/usb/serial/siemens_mpi.c
@@ -22,7 +22,7 @@
 #define DRIVER_DESC "Driver for Siemens USB/MPI adapter"
 
 
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
 	/* Vendor and product id for 6ES7-972-0CB20-0XA0 */
 	{ USB_DEVICE(0x908, 0x0004) },
 	{ },
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 3eb6143bb646..34e6f894cba9 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -226,7 +226,7 @@ static const struct sierra_iface_info direct_ip_interface_blacklist = {
 	.ifaceinfo = direct_ip_non_serial_ifaces,
 };
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x0F3D, 0x0112) }, /* Airprime/Sierra PC 5220 */
 	{ USB_DEVICE(0x03F0, 0x1B1D) },	/* HP ev2200 a.k.a MC5720 */
 	{ USB_DEVICE(0x03F0, 0x1E1D) },	/* HP hs2300 a.k.a MC8775 */
@@ -304,16 +304,6 @@ static struct usb_device_id id_table [] = {
 };
 MODULE_DEVICE_TABLE(usb, id_table);
 
-static struct usb_driver sierra_driver = {
-	.name       = "sierra",
-	.probe      = usb_serial_probe,
-	.disconnect = usb_serial_disconnect,
-	.suspend    = usb_serial_suspend,
-	.resume     = usb_serial_resume,
-	.id_table   = id_table,
-	.no_dynamic_id = 	1,
-	.supports_autosuspend =	1,
-};
 
 struct sierra_port_private {
 	spinlock_t lock;	/* lock the structure */
@@ -477,7 +467,7 @@ static void sierra_outdat_callback(struct urb *urb)
 static int sierra_write(struct tty_struct *tty, struct usb_serial_port *port,
 					const unsigned char *buf, int count)
 {
-	struct sierra_port_private *portdata = usb_get_serial_port_data(port);
+	struct sierra_port_private *portdata;
 	struct sierra_intf_private *intfdata;
 	struct usb_serial *serial = port->serial;
 	unsigned long flags;
@@ -604,14 +594,15 @@ static void sierra_indat_callback(struct urb *urb)
 	} else {
 		if (urb->actual_length) {
 			tty = tty_port_tty_get(&port->port);
-
-			tty_buffer_request_room(tty, urb->actual_length);
-			tty_insert_flip_string(tty, data, urb->actual_length);
-			tty_flip_buffer_push(tty);
-
-			tty_kref_put(tty);
-			usb_serial_debug_data(debug, &port->dev, __func__,
-				urb->actual_length, data);
+			if (tty) {
+				tty_insert_flip_string(tty, data,
+					urb->actual_length);
+				tty_flip_buffer_push(tty);
+
+				tty_kref_put(tty);
+				usb_serial_debug_data(debug, &port->dev,
+					__func__, urb->actual_length, data);
+			}
 		} else {
 			dev_dbg(&port->dev, "%s: empty read urb"
 				" received\n", __func__);
@@ -619,10 +610,10 @@ static void sierra_indat_callback(struct urb *urb)
 	}
 
 	/* Resubmit urb so we continue receiving */
-	if (port->port.count && status != -ESHUTDOWN && status != -EPERM) {
+	if (status != -ESHUTDOWN && status != -EPERM) {
 		usb_mark_last_busy(port->serial->dev);
 		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err)
+		if (err && err != -EPERM)
 			dev_err(&port->dev, "resubmit read urb failed."
 				"(%d)\n", err);
 	}
@@ -681,11 +672,11 @@ static void sierra_instat_callback(struct urb *urb)
 		dev_dbg(&port->dev, "%s: error %d\n", __func__, status);
 
 	/* Resubmit urb so we continue receiving IRQ data */
-	if (port->port.count && status != -ESHUTDOWN && status != -ENOENT) {
+	if (status != -ESHUTDOWN && status != -ENOENT) {
 		usb_mark_last_busy(serial->dev);
 		urb->dev = serial->dev;
 		err = usb_submit_urb(urb, GFP_ATOMIC);
-		if (err)
+		if (err && err != -EPERM)
 			dev_err(&port->dev, "%s: resubmit intr urb "
 				"failed. (%d)\n", __func__, err);
 	}
@@ -1061,11 +1052,31 @@ static int sierra_resume(struct usb_serial *serial)
 
 	return ec ? -EIO : 0;
 }
+
+static int sierra_reset_resume(struct usb_interface *intf)
+{
+	struct usb_serial *serial = usb_get_intfdata(intf);
+	dev_err(&serial->dev->dev, "%s\n", __func__);
+	return usb_serial_resume(intf);
+}
 #else
 #define sierra_suspend NULL
 #define sierra_resume NULL
+#define sierra_reset_resume NULL
 #endif
 
+static struct usb_driver sierra_driver = {
+	.name       = "sierra",
+	.probe      = usb_serial_probe,
+	.disconnect = usb_serial_disconnect,
+	.suspend    = usb_serial_suspend,
+	.resume     = usb_serial_resume,
+	.reset_resume = sierra_reset_resume,
+	.id_table   = id_table,
+	.no_dynamic_id = 	1,
+	.supports_autosuspend =	1,
+};
+
 static struct usb_serial_driver sierra_device = {
 	.driver = {
 		.owner =	THIS_MODULE,
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index 1e58220403d1..5d39191e7244 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -45,7 +45,7 @@ static int debug;
 #define SPCP8x5_835_VID		0x04fc
 #define SPCP8x5_835_PID		0x0231
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(SPCP8x5_PHILIPS_VID , SPCP8x5_PHILIPS_PID)},
 	{ USB_DEVICE(SPCP8x5_INTERMATIC_VID, SPCP8x5_INTERMATIC_PID)},
 	{ USB_DEVICE(SPCP8x5_835_VID, SPCP8x5_835_PID)},
@@ -609,7 +609,7 @@ static void spcp8x5_set_termios(struct tty_struct *tty,
 	if (i < 0)
 		dev_err(&port->dev, "Set UART format %#x failed (error = %d)\n",
 			uartdata, i);
-	dbg("0x21:0x40:0:0  %d\n", i);
+	dbg("0x21:0x40:0:0  %d", i);
 
 	if (cflag & CRTSCTS) {
 		/* enable hardware flow control */
@@ -677,7 +677,6 @@ static void spcp8x5_read_bulk_callback(struct urb *urb)
 	struct tty_struct *tty;
 	unsigned char *data = urb->transfer_buffer;
 	unsigned long flags;
-	int i;
 	int result = urb->status;
 	u8 status;
 	char tty_flag;
@@ -687,8 +686,6 @@ static void spcp8x5_read_bulk_callback(struct urb *urb)
 
 	/* check the urb status */
 	if (result) {
-		if (!port->port.count)
-			return;
 		if (result == -EPROTO) {
 			/* spcp8x5 mysteriously fails with -EPROTO */
 			/* reschedule the read */
@@ -726,26 +723,20 @@ static void spcp8x5_read_bulk_callback(struct urb *urb)
 
 	tty = tty_port_tty_get(&port->port);
 	if (tty && urb->actual_length) {
-		tty_buffer_request_room(tty, urb->actual_length + 1);
 		/* overrun is special, not associated with a char */
 		if (status & UART_OVERRUN_ERROR)
 			tty_insert_flip_char(tty, 0, TTY_OVERRUN);
-		for (i = 0; i < urb->actual_length; ++i)
-			tty_insert_flip_char(tty, data[i], tty_flag);
+		tty_insert_flip_string_fixed_flag(tty, data,
+						urb->actual_length, tty_flag);
 		tty_flip_buffer_push(tty);
 	}
 	tty_kref_put(tty);
 
-	/* Schedule the next read _if_ we are still open */
-	if (port->port.count) {
-		urb->dev = port->serial->dev;
-		result = usb_submit_urb(urb , GFP_ATOMIC);
-		if (result)
-			dev_dbg(&port->dev, "failed submitting read urb %d\n",
-				result);
-	}
-
-	return;
+	/* Schedule the next read */
+	urb->dev = port->serial->dev;
+	result = usb_submit_urb(urb , GFP_ATOMIC);
+	if (result)
+		dev_dbg(&port->dev, "failed submitting read urb %d\n", result);
 }
 
 /* get data from ring buffer and then write to usb bus */
diff --git a/drivers/usb/serial/symbolserial.c b/drivers/usb/serial/symbolserial.c
index b282c0f2d8e5..ee190cc1757c 100644
--- a/drivers/usb/serial/symbolserial.c
+++ b/drivers/usb/serial/symbolserial.c
@@ -21,7 +21,7 @@
 
 static int debug;
 
-static struct usb_device_id id_table[] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x05e0, 0x0600) },
 	{ },
 };
@@ -51,7 +51,6 @@ static void symbol_int_callback(struct urb *urb)
 	int status = urb->status;
 	struct tty_struct *tty;
 	int result;
-	int available_room = 0;
 	int data_length;
 
 	dbg("%s - port %d", __func__, port->number);
@@ -89,18 +88,13 @@ static void symbol_int_callback(struct urb *urb)
 		 */
 		tty = tty_port_tty_get(&port->port);
 		if (tty) {
-			available_room = tty_buffer_request_room(tty,
-							data_length);
-			if (available_room) {
-				tty_insert_flip_string(tty, &data[1],
-						       available_room);
-				tty_flip_buffer_push(tty);
-			}
+			tty_insert_flip_string(tty, &data[1], data_length);
+			tty_flip_buffer_push(tty);
 			tty_kref_put(tty);
 		}
 	} else {
 		dev_dbg(&priv->udev->dev,
-			"Improper ammount of data received from the device, "
+			"Improper amount of data received from the device, "
 			"%d bytes", urb->actual_length);
 	}
 
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 1e9dc8821698..0afe5c71c17e 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -1271,14 +1271,13 @@ static void ti_recv(struct device *dev, struct tty_struct *tty,
 	int cnt;
 
 	do {
-		cnt = tty_buffer_request_room(tty, length);
+		cnt = tty_insert_flip_string(tty, data, length);
 		if (cnt < length) {
 			dev_err(dev, "%s - dropping data, %d bytes lost\n",
 						__func__, length - cnt);
 			if (cnt == 0)
 				break;
 		}
-		tty_insert_flip_string(tty, data, cnt);
 		tty_flip_buffer_push(tty);
 		data += cnt;
 		length -= cnt;
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 33c85f7084f8..3873660d8217 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -358,10 +358,6 @@ static int serial_write(struct tty_struct *tty, const unsigned char *buf,
 
 	dbg("%s - port %d, %d byte(s)", __func__, port->number, count);
 
-	/* count is managed under the mutex lock for the tty so cannot
-	   drop to zero until after the last close completes */
-	WARN_ON(!port->port.count);
-
 	/* pass on to the driver specific version of this function */
 	retval = port->serial->type->write(tty, port, buf, count);
 
@@ -373,7 +369,6 @@ static int serial_write_room(struct tty_struct *tty)
 {
 	struct usb_serial_port *port = tty->driver_data;
 	dbg("%s - port %d", __func__, port->number);
-	WARN_ON(!port->port.count);
 	/* pass on to the driver specific version of this function */
 	return port->serial->type->write_room(tty);
 }
@@ -381,7 +376,7 @@ static int serial_write_room(struct tty_struct *tty)
 static int serial_chars_in_buffer(struct tty_struct *tty)
 {
 	struct usb_serial_port *port = tty->driver_data;
-	dbg("%s = port %d", __func__, port->number);
+	dbg("%s - port %d", __func__, port->number);
 
 	/* if the device was unplugged then any remaining characters
 	   fell out of the connector ;) */
@@ -396,7 +391,6 @@ static void serial_throttle(struct tty_struct *tty)
 	struct usb_serial_port *port = tty->driver_data;
 	dbg("%s - port %d", __func__, port->number);
 
-	WARN_ON(!port->port.count);
 	/* pass on to the driver specific version of this function */
 	if (port->serial->type->throttle)
 		port->serial->type->throttle(tty);
@@ -407,7 +401,6 @@ static void serial_unthrottle(struct tty_struct *tty)
 	struct usb_serial_port *port = tty->driver_data;
 	dbg("%s - port %d", __func__, port->number);
 
-	WARN_ON(!port->port.count);
 	/* pass on to the driver specific version of this function */
 	if (port->serial->type->unthrottle)
 		port->serial->type->unthrottle(tty);
@@ -421,8 +414,6 @@ static int serial_ioctl(struct tty_struct *tty, struct file *file,
 
 	dbg("%s - port %d, cmd 0x%.4x", __func__, port->number, cmd);
 
-	WARN_ON(!port->port.count);
-
 	/* pass on to the driver specific version of this function
 	   if it is available */
 	if (port->serial->type->ioctl) {
@@ -437,7 +428,6 @@ static void serial_set_termios(struct tty_struct *tty, struct ktermios *old)
 	struct usb_serial_port *port = tty->driver_data;
 	dbg("%s - port %d", __func__, port->number);
 
-	WARN_ON(!port->port.count);
 	/* pass on to the driver specific version of this function
 	   if it is available */
 	if (port->serial->type->set_termios)
@@ -452,7 +442,6 @@ static int serial_break(struct tty_struct *tty, int break_state)
 
 	dbg("%s - port %d", __func__, port->number);
 
-	WARN_ON(!port->port.count);
 	/* pass on to the driver specific version of this function
 	   if it is available */
 	if (port->serial->type->break_ctl)
@@ -513,7 +502,6 @@ static int serial_tiocmget(struct tty_struct *tty, struct file *file)
 
 	dbg("%s - port %d", __func__, port->number);
 
-	WARN_ON(!port->port.count);
 	if (port->serial->type->tiocmget)
 		return port->serial->type->tiocmget(tty, file);
 	return -EINVAL;
@@ -526,7 +514,6 @@ static int serial_tiocmset(struct tty_struct *tty, struct file *file,
 
 	dbg("%s - port %d", __func__, port->number);
 
-	WARN_ON(!port->port.count);
 	if (port->serial->type->tiocmset)
 		return port->serial->type->tiocmset(tty, file, set, clear);
 	return -EINVAL;
diff --git a/drivers/usb/serial/usb_debug.c b/drivers/usb/serial/usb_debug.c
index 7b5bfc4edd3d..252cc2d993b2 100644
--- a/drivers/usb/serial/usb_debug.c
+++ b/drivers/usb/serial/usb_debug.c
@@ -29,7 +29,7 @@ static char USB_DEBUG_BRK[USB_DEBUG_BRK_SIZE] = {
 	0xff,
 };
 
-static struct usb_device_id id_table [] = {
+static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x0525, 0x127a) },
 	{ },
 };
diff --git a/drivers/usb/serial/visor.c b/drivers/usb/serial/visor.c
index ad1f9232292d..094942707c7d 100644
--- a/drivers/usb/serial/visor.c
+++ b/drivers/usb/serial/visor.c
@@ -368,7 +368,7 @@ static int visor_write(struct tty_struct *tty, struct usb_serial_port *port,
 	spin_lock_irqsave(&priv->lock, flags);
 	if (priv->outstanding_urbs > URB_UPPER_LIMIT) {
 		spin_unlock_irqrestore(&priv->lock, flags);
-		dbg("%s - write limit hit\n", __func__);
+		dbg("%s - write limit hit", __func__);
 		return 0;
 	}
 	priv->outstanding_urbs++;
@@ -446,7 +446,7 @@ static int visor_write_room(struct tty_struct *tty)
 	spin_lock_irqsave(&priv->lock, flags);
 	if (priv->outstanding_urbs > URB_UPPER_LIMIT * 2 / 3) {
 		spin_unlock_irqrestore(&priv->lock, flags);
-		dbg("%s - write limit hit\n", __func__);
+		dbg("%s - write limit hit", __func__);
 		return 0;
 	}
 	spin_unlock_irqrestore(&priv->lock, flags);
@@ -503,13 +503,9 @@ static void visor_read_bulk_callback(struct urb *urb)
 	if (urb->actual_length) {
 		tty = tty_port_tty_get(&port->port);
 		if (tty) {
-			available_room = tty_buffer_request_room(tty,
-							urb->actual_length);
-			if (available_room) {
-				tty_insert_flip_string(tty, data,
-							available_room);
-				tty_flip_buffer_push(tty);
-			}
+			tty_insert_flip_string(tty, data,
+						urb->actual_length);
+			tty_flip_buffer_push(tty);
 			tty_kref_put(tty);
 		}
 		spin_lock(&priv->lock);
@@ -807,10 +803,14 @@ static int clie_3_5_startup(struct usb_serial *serial)
 {
 	struct device *dev = &serial->dev->dev;
 	int result;
-	u8 data;
+	u8 *data;
 
 	dbg("%s", __func__);
 
+	data = kmalloc(1, GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
+
 	/*
 	 * Note that PEG-300 series devices expect the following two calls.
 	 */
@@ -818,36 +818,42 @@ static int clie_3_5_startup(struct usb_serial *serial)
 	/* get the config number */
 	result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
 				  USB_REQ_GET_CONFIGURATION, USB_DIR_IN,
-				  0, 0, &data, 1, 3000);
+				  0, 0, data, 1, 3000);
 	if (result < 0) {
 		dev_err(dev, "%s: get config number failed: %d\n",
 							__func__, result);
-		return result;
+		goto out;
 	}
 	if (result != 1) {
 		dev_err(dev, "%s: get config number bad return length: %d\n",
 							__func__, result);
-		return -EIO;
+		result = -EIO;
+		goto out;
 	}
 
 	/* get the interface number */
 	result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
 				  USB_REQ_GET_INTERFACE,
 				  USB_DIR_IN | USB_RECIP_INTERFACE,
-				  0, 0, &data, 1, 3000);
+				  0, 0, data, 1, 3000);
 	if (result < 0) {
 		dev_err(dev, "%s: get interface number failed: %d\n",
 							__func__, result);
-		return result;
+		goto out;
 	}
 	if (result != 1) {
 		dev_err(dev,
 			"%s: get interface number bad return length: %d\n",
 							__func__, result);
-		return -EIO;
+		result = -EIO;
+		goto out;
 	}
 
-	return generic_startup(serial);
+	result = generic_startup(serial);
+out:
+	kfree(data);
+
+	return result;
 }
 
 static int treo_attach(struct usb_serial *serial)
diff --git a/drivers/usb/serial/vivopay-serial.c b/drivers/usb/serial/vivopay-serial.c
new file mode 100644
index 000000000000..f719d00972fc
--- /dev/null
+++ b/drivers/usb/serial/vivopay-serial.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2001-2005 Greg Kroah-Hartman (greg@kroah.com)
+ * Copyright (C) 2009 Outpost Embedded, LLC
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/usb/serial.h>
+
+
+#define DRIVER_VERSION "v1.0"
+#define DRIVER_DESC "ViVOpay USB Serial Driver"
+
+#define VIVOPAY_VENDOR_ID 0x1d5f
+
+
+static struct usb_device_id id_table [] = {
+	/* ViVOpay 8800 */
+	{ USB_DEVICE(VIVOPAY_VENDOR_ID, 0x1004) },
+	{ },
+};
+
+MODULE_DEVICE_TABLE(usb, id_table);
+
+static struct usb_driver vivopay_serial_driver = {
+	.name =			"vivopay-serial",
+	.probe =		usb_serial_probe,
+	.disconnect =		usb_serial_disconnect,
+	.id_table =		id_table,
+	.no_dynamic_id =	1,
+};
+
+static struct usb_serial_driver vivopay_serial_device = {
+	.driver = {
+		.owner =	THIS_MODULE,
+		.name =		"vivopay-serial",
+	},
+	.id_table =		id_table,
+	.usb_driver =		&vivopay_serial_driver,
+	.num_ports =		1,
+};
+
+static int __init vivopay_serial_init(void)
+{
+	int retval;
+	retval = usb_serial_register(&vivopay_serial_device);
+	if (retval)
+		goto failed_usb_serial_register;
+	retval = usb_register(&vivopay_serial_driver);
+	if (retval)
+		goto failed_usb_register;
+	printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_VERSION ":"
+	    DRIVER_DESC "\n");
+	return 0;
+failed_usb_register:
+	usb_serial_deregister(&vivopay_serial_device);
+failed_usb_serial_register:
+	return retval;
+}
+
+static void __exit vivopay_serial_exit(void)
+{
+	usb_deregister(&vivopay_serial_driver);
+	usb_serial_deregister(&vivopay_serial_device);
+}
+
+module_init(vivopay_serial_init);
+module_exit(vivopay_serial_exit);
+
+MODULE_AUTHOR("Forest Bond <forest.bond@outpostembedded.com>");
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_LICENSE("GPL");
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index 1093d2eb046a..12ed8209ca72 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -111,17 +111,17 @@ static int debug;
    separate ID tables, and then a third table that combines them
    just for the purpose of exporting the autoloading information.
 */
-static struct usb_device_id id_table_std [] = {
+static const struct usb_device_id id_table_std[] = {
 	{ USB_DEVICE(CONNECT_TECH_VENDOR_ID, CONNECT_TECH_WHITE_HEAT_ID) },
 	{ }						/* Terminating entry */
 };
 
-static struct usb_device_id id_table_prerenumeration [] = {
+static const struct usb_device_id id_table_prerenumeration[] = {
 	{ USB_DEVICE(CONNECT_TECH_VENDOR_ID, CONNECT_TECH_FAKE_WHITE_HEAT_ID) },
 	{ }						/* Terminating entry */
 };
 
-static struct usb_device_id id_table_combined [] = {
+static const struct usb_device_id id_table_combined[] = {
 	{ USB_DEVICE(CONNECT_TECH_VENDOR_ID, CONNECT_TECH_WHITE_HEAT_ID) },
 	{ USB_DEVICE(CONNECT_TECH_VENDOR_ID, CONNECT_TECH_FAKE_WHITE_HEAT_ID) },
 	{ }						/* Terminating entry */
@@ -1492,21 +1492,9 @@ static void rx_data_softint(struct work_struct *work)
 		wrap = list_entry(tmp, struct whiteheat_urb_wrap, list);
 		urb = wrap->urb;
 
-		if (tty && urb->actual_length) {
-			int len = tty_buffer_request_room(tty,
-							urb->actual_length);
-			/* This stuff can go away now I suspect */
-			if (unlikely(len < urb->actual_length)) {
-				spin_lock_irqsave(&info->lock, flags);
-				list_add(tmp, &info->rx_urb_q);
-				spin_unlock_irqrestore(&info->lock, flags);
-				tty_flip_buffer_push(tty);
-				schedule_work(&info->rx_work);
-				goto out;
-			}
-			tty_insert_flip_string(tty, urb->transfer_buffer, len);
-			sent += len;
-		}
+		if (tty && urb->actual_length)
+			sent += tty_insert_flip_string(tty,
+				urb->transfer_buffer, urb->actual_length);
 
 		urb->dev = port->serial->dev;
 		result = usb_submit_urb(urb, GFP_ATOMIC);
diff --git a/drivers/usb/storage/onetouch.c b/drivers/usb/storage/onetouch.c
index 80e65f29921c..198bb3ed95b2 100644
--- a/drivers/usb/storage/onetouch.c
+++ b/drivers/usb/storage/onetouch.c
@@ -202,7 +202,7 @@ static int onetouch_connect_input(struct us_data *ss)
 		goto fail1;
 
 	onetouch->data = usb_buffer_alloc(udev, ONETOUCH_PKT_LEN,
-					  GFP_ATOMIC, &onetouch->data_dma);
+					  GFP_KERNEL, &onetouch->data_dma);
 	if (!onetouch->data)
 		goto fail1;
 
diff --git a/drivers/usb/storage/scsiglue.c b/drivers/usb/storage/scsiglue.c
index aadc16b5eed7..4cc035562cc2 100644
--- a/drivers/usb/storage/scsiglue.c
+++ b/drivers/usb/storage/scsiglue.c
@@ -133,7 +133,7 @@ static int slave_configure(struct scsi_device *sdev)
 
 		if (us->fflags & US_FL_MAX_SECTORS_MIN)
 			max_sectors = PAGE_CACHE_SIZE >> 9;
-		if (queue_max_sectors(sdev->request_queue) > max_sectors)
+		if (queue_max_hw_sectors(sdev->request_queue) > max_sectors)
 			blk_queue_max_hw_sectors(sdev->request_queue,
 					      max_sectors);
 	} else if (sdev->type == TYPE_TAPE) {
@@ -484,7 +484,7 @@ static ssize_t show_max_sectors(struct device *dev, struct device_attribute *att
 {
 	struct scsi_device *sdev = to_scsi_device(dev);
 
-	return sprintf(buf, "%u\n", queue_max_sectors(sdev->request_queue));
+	return sprintf(buf, "%u\n", queue_max_hw_sectors(sdev->request_queue));
 }
 
 /* Input routine for the sysfs max_sectors file */
@@ -494,9 +494,9 @@ static ssize_t store_max_sectors(struct device *dev, struct device_attribute *at
 	struct scsi_device *sdev = to_scsi_device(dev);
 	unsigned short ms;
 
-	if (sscanf(buf, "%hu", &ms) > 0 && ms <= SCSI_DEFAULT_MAX_SECTORS) {
+	if (sscanf(buf, "%hu", &ms) > 0) {
 		blk_queue_max_hw_sectors(sdev->request_queue, ms);
-		return strlen(buf);
+		return count;
 	}
 	return -EINVAL;	
 }
@@ -539,7 +539,7 @@ struct scsi_host_template usb_stor_host_template = {
 	.slave_configure =		slave_configure,
 
 	/* lots of sg segments can be handled */
-	.sg_tablesize =			SG_ALL,
+	.sg_tablesize =			SCSI_MAX_SG_CHAIN_SEGMENTS,
 
 	/* limit the total size of a transfer to 120 KB */
 	.max_sectors =                  240,
diff --git a/drivers/usb/storage/shuttle_usbat.c b/drivers/usb/storage/shuttle_usbat.c
index b62a28814ebe..bd3f415893d8 100644
--- a/drivers/usb/storage/shuttle_usbat.c
+++ b/drivers/usb/storage/shuttle_usbat.c
@@ -1628,10 +1628,10 @@ static int usbat_hp8200e_transport(struct scsi_cmnd *srb, struct us_data *us)
 		return USB_STOR_TRANSPORT_ERROR;
 	}
 
-	if ( (result = usbat_multiple_write(us, 
-			registers, data, 7)) != USB_STOR_TRANSPORT_GOOD) {
+	result = usbat_multiple_write(us, registers, data, 7);
+
+	if (result != USB_STOR_TRANSPORT_GOOD)
 		return result;
-	}
 
 	/*
 	 * Write the 12-byte command header.
@@ -1643,12 +1643,11 @@ static int usbat_hp8200e_transport(struct scsi_cmnd *srb, struct us_data *us)
 	 * AT SPEED 4 IS UNRELIABLE!!!
 	 */
 
-	if ((result = usbat_write_block(us,
-			USBAT_ATA, srb->cmnd, 12,
-				(srb->cmnd[0]==GPCMD_BLANK ? 75 : 10), 0) !=
-			     USB_STOR_TRANSPORT_GOOD)) {
+	result = usbat_write_block(us, USBAT_ATA, srb->cmnd, 12,
+				   srb->cmnd[0] == GPCMD_BLANK ? 75 : 10, 0);
+
+	if (result != USB_STOR_TRANSPORT_GOOD)
 		return result;
-	}
 
 	/* If there is response data to be read in then do it here. */
 
diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
index cc313d16d727..468038126e5e 100644
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -47,6 +47,8 @@
 #include <linux/errno.h>
 #include <linux/slab.h>
 
+#include <linux/usb/quirks.h>
+
 #include <scsi/scsi.h>
 #include <scsi/scsi_eh.h>
 #include <scsi/scsi_device.h>
@@ -1297,6 +1299,10 @@ int usb_stor_port_reset(struct us_data *us)
 {
 	int result;
 
+	/*for these devices we must use the class specific method */
+	if (us->pusb_dev->quirks & USB_QUIRK_RESET_MORPHS)
+		return -EPERM;
+
 	result = usb_lock_device_for_reset(us->pusb_dev, us->pusb_intf);
 	if (result < 0)
 		US_DEBUGP("unable to lock device for reset: %d\n", result);
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 49575fba3756..ccf1dbbb87ef 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -374,6 +374,15 @@ UNUSUAL_DEV(  0x04ce, 0x0002, 0x0074, 0x0074,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_FIX_INQUIRY),
 
+/* Reported by Ondrej Zary <linux@rainbow-software.org>
+ * The device reports one sector more and breaks when that sector is accessed
+ */
+UNUSUAL_DEV(  0x04ce, 0x0002, 0x026c, 0x026c,
+		"ScanLogic",
+		"SL11R-IDE",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		US_FL_FIX_CAPACITY),
+
 /* Reported by Kriston Fincher <kriston@airmail.net>
  * Patch submitted by Sean Millichamp <sean@bruenor.org>
  * This is to support the Panasonic PalmCam PV-SD4090
@@ -1147,8 +1156,8 @@ UNUSUAL_DEV( 0x0af0, 0x7401, 0x0000, 0x0000,
 		0 ),
 
 /* Reported by Jan Dumon <j.dumon@option.com>
- * This device (wrongly) has a vendor-specific device descriptor.
- * The entry is needed so usb-storage can bind to it's mass-storage
+ * These devices (wrongly) have a vendor-specific device descriptor.
+ * These entries are needed so usb-storage can bind to their mass-storage
  * interface as an interface driver */
 UNUSUAL_DEV( 0x0af0, 0x7501, 0x0000, 0x0000,
 		"Option",
@@ -1156,6 +1165,90 @@ UNUSUAL_DEV( 0x0af0, 0x7501, 0x0000, 0x0000,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		0 ),
 
+UNUSUAL_DEV( 0x0af0, 0x7701, 0x0000, 0x0000,
+		"Option",
+		"GI 0451 SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
+UNUSUAL_DEV( 0x0af0, 0x7706, 0x0000, 0x0000,
+		"Option",
+		"GI 0451 SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
+UNUSUAL_DEV( 0x0af0, 0x7901, 0x0000, 0x0000,
+		"Option",
+		"GI 0452 SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
+UNUSUAL_DEV( 0x0af0, 0x7A01, 0x0000, 0x0000,
+		"Option",
+		"GI 0461 SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
+UNUSUAL_DEV( 0x0af0, 0x7A05, 0x0000, 0x0000,
+		"Option",
+		"GI 0461 SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
+UNUSUAL_DEV( 0x0af0, 0x8300, 0x0000, 0x0000,
+		"Option",
+		"GI 033x SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
+UNUSUAL_DEV( 0x0af0, 0x8302, 0x0000, 0x0000,
+		"Option",
+		"GI 033x SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
+UNUSUAL_DEV( 0x0af0, 0x8304, 0x0000, 0x0000,
+		"Option",
+		"GI 033x SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
+UNUSUAL_DEV( 0x0af0, 0xc100, 0x0000, 0x0000,
+		"Option",
+		"GI 070x SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
+UNUSUAL_DEV( 0x0af0, 0xd057, 0x0000, 0x0000,
+		"Option",
+		"GI 1505 SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
+UNUSUAL_DEV( 0x0af0, 0xd058, 0x0000, 0x0000,
+		"Option",
+		"GI 1509 SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
+UNUSUAL_DEV( 0x0af0, 0xd157, 0x0000, 0x0000,
+		"Option",
+		"GI 1515 SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
+UNUSUAL_DEV( 0x0af0, 0xd257, 0x0000, 0x0000,
+		"Option",
+		"GI 1215 SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
+UNUSUAL_DEV( 0x0af0, 0xd357, 0x0000, 0x0000,
+		"Option",
+		"GI 1505 SD-Card",
+		US_SC_DEVICE, US_PR_DEVICE, NULL,
+		0 ),
+
 /* Reported by Ben Efros <ben@pc-doctor.com> */
 UNUSUAL_DEV( 0x0bc2, 0x3010, 0x0000, 0x0000,
 		"Seagate",
@@ -1296,20 +1389,6 @@ UNUSUAL_DEV(  0x0f19, 0x0105, 0x0100, 0x0100,
 		US_SC_DEVICE, US_PR_DEVICE, NULL,
 		US_FL_IGNORE_RESIDUE ),
 
-/* Jeremy Katz <katzj@redhat.com>:
- * The Blackberry Pearl can run in two modes; a usb-storage only mode
- * and a mode that allows access via mass storage and to its database.
- * The berry_charge module will set the device to dual mode and thus we
- * should ignore its native mode if that module is built
- */
-#ifdef CONFIG_USB_BERRY_CHARGE
-UNUSUAL_DEV(  0x0fca, 0x0006, 0x0001, 0x0001,
-		"RIM",
-		"Blackberry Pearl",
-		US_SC_DEVICE, US_PR_DEVICE, NULL,
-		US_FL_IGNORE_DEVICE ),
-#endif
-
 /* Reported by Michael Stattmann <michael@stattmann.com> */
 UNUSUAL_DEV(  0x0fce, 0xd008, 0x0000, 0x0000,
 		"Sony Ericsson",
diff --git a/drivers/usb/usb-skeleton.c b/drivers/usb/usb-skeleton.c
index b1e579c5c97c..61522787f39c 100644
--- a/drivers/usb/usb-skeleton.c
+++ b/drivers/usb/usb-skeleton.c
@@ -28,7 +28,7 @@
 #define USB_SKEL_PRODUCT_ID	0xfff0
 
 /* table of devices that work with this driver */
-static struct usb_device_id skel_table[] = {
+static const struct usb_device_id skel_table[] = {
 	{ USB_DEVICE(USB_SKEL_VENDOR_ID, USB_SKEL_PRODUCT_ID) },
 	{ }					/* Terminating entry */
 };
diff --git a/drivers/usb/wusbcore/cbaf.c b/drivers/usb/wusbcore/cbaf.c
index 25eae405f622..51a8e0d5789d 100644
--- a/drivers/usb/wusbcore/cbaf.c
+++ b/drivers/usb/wusbcore/cbaf.c
@@ -641,7 +641,7 @@ static void cbaf_disconnect(struct usb_interface *iface)
 	kzfree(cbaf);
 }
 
-static struct usb_device_id cbaf_id_table[] = {
+static const struct usb_device_id cbaf_id_table[] = {
 	{ USB_INTERFACE_INFO(0xef, 0x03, 0x01), },
 	{ },
 };
diff --git a/drivers/usb/wusbcore/devconnect.c b/drivers/usb/wusbcore/devconnect.c
index dced419f7aba..1c918286159c 100644
--- a/drivers/usb/wusbcore/devconnect.c
+++ b/drivers/usb/wusbcore/devconnect.c
@@ -868,7 +868,7 @@ static struct usb_wireless_cap_descriptor wusb_cap_descr_default = {
  * reference that we'll drop.
  *
  * First we need to determine if the device is a WUSB device (else we
- * ignore it). For that we use the speed setting (USB_SPEED_VARIABLE)
+ * ignore it). For that we use the speed setting (USB_SPEED_WIRELESS)
  * [FIXME: maybe we'd need something more definitive]. If so, we track
  * it's usb_busd and from there, the WUSB HC.
  *
diff --git a/drivers/usb/wusbcore/mmc.c b/drivers/usb/wusbcore/mmc.c
index 3b52161e6e9c..2d827397e30b 100644
--- a/drivers/usb/wusbcore/mmc.c
+++ b/drivers/usb/wusbcore/mmc.c
@@ -263,7 +263,7 @@ int wusbhc_chid_set(struct wusbhc *wusbhc, const struct wusb_ckhdid *chid)
 {
 	int result = 0;
 
-	if (memcmp(chid, &wusb_ckhdid_zero, sizeof(chid)) == 0)
+	if (memcmp(chid, &wusb_ckhdid_zero, sizeof(*chid)) == 0)
 		chid = NULL;
 
 	mutex_lock(&wusbhc->mutex);
diff --git a/drivers/usb/wusbcore/wusbhc.h b/drivers/usb/wusbcore/wusbhc.h
index fd2fd4e277e1..759cda55f7c3 100644
--- a/drivers/usb/wusbcore/wusbhc.h
+++ b/drivers/usb/wusbcore/wusbhc.h
@@ -198,7 +198,7 @@ struct wusb_port {
  *                 ports) this HC will take. Read-only.
  *
  * @port      	   Array of port status for each fake root port. Guaranteed to
- *                 always be the same lenght during device existence
+ *                 always be the same length during device existence
  *                 [this allows for some unlocked but referenced reading].
  *
  * @mmcies_max	   Max number of Information Elements this HC can send
diff --git a/drivers/uwb/driver.c b/drivers/uwb/driver.c
index da77e41de990..08bd6dbfd4a6 100644
--- a/drivers/uwb/driver.c
+++ b/drivers/uwb/driver.c
@@ -74,13 +74,16 @@
 unsigned long beacon_timeout_ms = 500;
 
 static
-ssize_t beacon_timeout_ms_show(struct class *class, char *buf)
+ssize_t beacon_timeout_ms_show(struct class *class,
+				struct class_attribute *attr,
+				char *buf)
 {
 	return scnprintf(buf, PAGE_SIZE, "%lu\n", beacon_timeout_ms);
 }
 
 static
 ssize_t beacon_timeout_ms_store(struct class *class,
+				struct class_attribute *attr,
 				const char *buf, size_t size)
 {
 	unsigned long bt;
diff --git a/drivers/uwb/hwa-rc.c b/drivers/uwb/hwa-rc.c
index e7eeb63fab23..b409c228f254 100644
--- a/drivers/uwb/hwa-rc.c
+++ b/drivers/uwb/hwa-rc.c
@@ -891,7 +891,7 @@ static int hwarc_post_reset(struct usb_interface *iface)
 }
 
 /** USB device ID's that we handle */
-static struct usb_device_id hwarc_id_table[] = {
+static const struct usb_device_id hwarc_id_table[] = {
 	/* D-Link DUB-1210 */
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3d02, 0xe0, 0x01, 0x02),
 	  .driver_info = WUSB_QUIRK_WHCI_CMD_EVT },
diff --git a/drivers/uwb/i1480/dfu/usb.c b/drivers/uwb/i1480/dfu/usb.c
index 0bb665a0c024..a99e211a1b87 100644
--- a/drivers/uwb/i1480/dfu/usb.c
+++ b/drivers/uwb/i1480/dfu/usb.c
@@ -120,8 +120,7 @@ int i1480_usb_write(struct i1480 *i1480, u32 memory_address,
 		result = usb_control_msg(
 			i1480_usb->usb_dev, usb_sndctrlpipe(i1480_usb->usb_dev, 0),
 			0xf0, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			cpu_to_le16(memory_address & 0xffff),
-			cpu_to_le16((memory_address >> 16) & 0xffff),
+			memory_address,	(memory_address >> 16),
 			i1480->cmd_buf, buffer_size, 100 /* FIXME: arbitrary */);
 		if (result < 0)
 			break;
@@ -166,8 +165,7 @@ int i1480_usb_read(struct i1480 *i1480, u32 addr, size_t size)
 		result = usb_control_msg(
 			i1480_usb->usb_dev, usb_rcvctrlpipe(i1480_usb->usb_dev, 0),
 			0xf0, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
-			cpu_to_le16(itr_addr & 0xffff),
-			cpu_to_le16((itr_addr >> 16) & 0xffff),
+			itr_addr, (itr_addr >> 16),
 			i1480->cmd_buf + itr, itr_size,
 			100 /* FIXME: arbitrary */);
 		if (result < 0) {
@@ -413,6 +411,10 @@ error:
 	return result;
 }
 
+MODULE_FIRMWARE("i1480-pre-phy-0.0.bin");
+MODULE_FIRMWARE("i1480-usb-0.0.bin");
+MODULE_FIRMWARE("i1480-phy-0.0.bin");
+
 #define i1480_USB_DEV(v, p)				\
 {							\
 	.match_flags = USB_DEVICE_ID_MATCH_DEVICE	\
@@ -430,7 +432,7 @@ error:
 
 
 /** USB device ID's that we handle */
-static struct usb_device_id i1480_usb_id_table[] = {
+static const struct usb_device_id i1480_usb_id_table[] = {
 	i1480_USB_DEV(0x8086, 0xdf3b),
 	i1480_USB_DEV(0x15a9, 0x0005),
 	i1480_USB_DEV(0x07d1, 0x3802),
diff --git a/drivers/uwb/i1480/i1480-est.c b/drivers/uwb/i1480/i1480-est.c
index 7bf8c6febae7..f2eb4d8b76c9 100644
--- a/drivers/uwb/i1480/i1480-est.c
+++ b/drivers/uwb/i1480/i1480-est.c
@@ -54,7 +54,7 @@ static struct uwb_est_entry i1480_est_fd01[] = {
 		.size = sizeof(struct i1480_rceb) + 2 },
 };
 
-static int i1480_est_init(void)
+static int __init i1480_est_init(void)
 {
 	int result = uwb_est_register(i1480_CET_VS1, 0x00, 0x8086, 0x0c3b,
 				      i1480_est_fd00,
@@ -73,7 +73,7 @@ static int i1480_est_init(void)
 }
 module_init(i1480_est_init);
 
-static void i1480_est_exit(void)
+static void __exit i1480_est_exit(void)
 {
 	uwb_est_unregister(i1480_CET_VS1, 0x00, 0x8086, 0x0c3b,
 			   i1480_est_fd00, ARRAY_SIZE(i1480_est_fd00));
diff --git a/drivers/uwb/umc-bus.c b/drivers/uwb/umc-bus.c
index cdd6c8efc9f8..5fad4e791b3e 100644
--- a/drivers/uwb/umc-bus.c
+++ b/drivers/uwb/umc-bus.c
@@ -62,12 +62,12 @@ int umc_controller_reset(struct umc_dev *umc)
 	struct device *parent = umc->dev.parent;
 	int ret = 0;
 
-	if(down_trylock(&parent->sem))
+	if (device_trylock(parent))
 		return -EAGAIN;
 	ret = device_for_each_child(parent, parent, umc_bus_pre_reset_helper);
 	if (ret >= 0)
 		ret = device_for_each_child(parent, parent, umc_bus_post_reset_helper);
-	up(&parent->sem);
+	device_unlock(parent);
 
 	return ret;
 }
diff --git a/drivers/uwb/uwb-internal.h b/drivers/uwb/uwb-internal.h
index d5bcfc1c227a..157485c862c0 100644
--- a/drivers/uwb/uwb-internal.h
+++ b/drivers/uwb/uwb-internal.h
@@ -366,12 +366,12 @@ struct dentry *uwb_dbg_create_pal_dir(struct uwb_pal *pal);
 
 static inline void uwb_dev_lock(struct uwb_dev *uwb_dev)
 {
-	down(&uwb_dev->dev.sem);
+	device_lock(&uwb_dev->dev);
 }
 
 static inline void uwb_dev_unlock(struct uwb_dev *uwb_dev)
 {
-	up(&uwb_dev->dev.sem);
+	device_unlock(&uwb_dev->dev);
 }
 
 #endif /* #ifndef __UWB_INTERNAL_H__ */
diff --git a/drivers/uwb/uwbd.c b/drivers/uwb/uwbd.c
index 5a777d8624da..6210fe1fd1bb 100644
--- a/drivers/uwb/uwbd.c
+++ b/drivers/uwb/uwbd.c
@@ -43,7 +43,7 @@
  *
  * EVENTS
  *
- * Events have a type, a subtype, a lenght, some other stuff and the
+ * Events have a type, a subtype, a length, some other stuff and the
  * data blob, which depends on the event. The header is 'struct
  * uwb_event'; for payloads, see 'struct uwbd_evt_*'.
  *
diff --git a/drivers/uwb/wlp/messages.c b/drivers/uwb/wlp/messages.c
index aa42fcee4c4f..75164866c2d8 100644
--- a/drivers/uwb/wlp/messages.c
+++ b/drivers/uwb/wlp/messages.c
@@ -259,6 +259,63 @@ out:
 }
 
 
+static ssize_t wlp_get_attribute(struct wlp *wlp, u16 type_code,
+	struct wlp_attr_hdr *attr_hdr, void *value, ssize_t value_len,
+	ssize_t buflen)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	ssize_t attr_len = sizeof(*attr_hdr) + value_len;
+	if (buflen < 0)
+		return -EINVAL;
+	if (buflen < attr_len) {
+		dev_err(dev, "WLP: Not enough space in buffer to parse"
+			" attribute field. Need %d, received %zu\n",
+			(int)attr_len, buflen);
+		return -EIO;
+	}
+	if (wlp_check_attr_hdr(wlp, attr_hdr, type_code, value_len) < 0) {
+		dev_err(dev, "WLP: Header verification failed. \n");
+		return -EINVAL;
+	}
+	memcpy(value, (void *)attr_hdr + sizeof(*attr_hdr), value_len);
+	return attr_len;
+}
+
+static ssize_t wlp_vget_attribute(struct wlp *wlp, u16 type_code,
+	struct wlp_attr_hdr *attr_hdr, void *value, ssize_t max_value_len,
+	ssize_t buflen)
+{
+	struct device *dev = &wlp->rc->uwb_dev.dev;
+	size_t len;
+	if (buflen < 0)
+		return -EINVAL;
+	if (buflen < sizeof(*attr_hdr)) {
+		dev_err(dev, "WLP: Not enough space in buffer to parse"
+			" header.\n");
+		return -EIO;
+	}
+	if (le16_to_cpu(attr_hdr->type) != type_code) {
+		dev_err(dev, "WLP: Unexpected attribute type. Got %u, "
+			"expected %u.\n", le16_to_cpu(attr_hdr->type),
+			type_code);
+		return -EINVAL;
+	}
+	len = le16_to_cpu(attr_hdr->length);
+	if (len > max_value_len) {
+		dev_err(dev, "WLP: Attribute larger than maximum "
+			"allowed. Received %zu, max is %d.\n", len,
+			(int)max_value_len);
+		return -EFBIG;
+	}
+	if (buflen < sizeof(*attr_hdr) + len) {
+		dev_err(dev, "WLP: Not enough space in buffer to parse "
+			"variable data.\n");
+		return -EIO;
+	}
+	memcpy(value, (void *)attr_hdr + sizeof(*attr_hdr), len);
+	return sizeof(*attr_hdr) + len;
+}
+
 /**
  * Get value of attribute from fixed size attribute field.
  *
@@ -274,22 +331,8 @@ out:
 ssize_t wlp_get_##name(struct wlp *wlp, struct wlp_attr_##name *attr,	\
 		      type *value, ssize_t buflen)			\
 {									\
-	struct device *dev = &wlp->rc->uwb_dev.dev;			\
-	if (buflen < 0)							\
-		return -EINVAL;						\
-	if (buflen < sizeof(*attr)) {					\
-		dev_err(dev, "WLP: Not enough space in buffer to parse"	\
-			" attribute field. Need %d, received %zu\n",	\
-			(int)sizeof(*attr), buflen);			\
-		return -EIO;						\
-	}								\
-	if (wlp_check_attr_hdr(wlp, &attr->hdr, type_code,		\
-			       sizeof(attr->name)) < 0) {		\
-		dev_err(dev, "WLP: Header verification failed. \n");	\
-		return -EINVAL;						\
-	}								\
-	*value = attr->name;						\
-	return sizeof(*attr);						\
+	return wlp_get_attribute(wlp, (type_code), &attr->hdr,		\
+				 value, sizeof(*value), buflen);	\
 }
 
 #define wlp_get_sparse(type, type_code, name) \
@@ -313,35 +356,8 @@ static ssize_t wlp_get_##name(struct wlp *wlp,				\
 			      struct wlp_attr_##name *attr,		\
 			      type_val *value, ssize_t buflen)		\
 {									\
-	struct device *dev = &wlp->rc->uwb_dev.dev;			\
-	size_t len;							\
-	if (buflen < 0)							\
-		return -EINVAL;						\
-	if (buflen < sizeof(*attr)) {					\
-		dev_err(dev, "WLP: Not enough space in buffer to parse"	\
-			" header.\n");					\
-		return -EIO;						\
-	}								\
-	if (le16_to_cpu(attr->hdr.type) != type_code) {			\
-		dev_err(dev, "WLP: Unexpected attribute type. Got %u, "	\
-			"expected %u.\n", le16_to_cpu(attr->hdr.type),	\
-			type_code);					\
-		return -EINVAL;						\
-	}								\
-	len = le16_to_cpu(attr->hdr.length);				\
-	if (len > max) {						\
-		dev_err(dev, "WLP: Attribute larger than maximum "	\
-			"allowed. Received %zu, max is %d.\n", len,	\
-			(int)max);					\
-		return -EFBIG;						\
-	}								\
-	if (buflen < sizeof(*attr) + len) {				\
-		dev_err(dev, "WLP: Not enough space in buffer to parse "\
-			"variable data.\n");				\
-		return -EIO;						\
-	}								\
-	memcpy(value, (void *) attr + sizeof(*attr), len);		\
-	return sizeof(*attr) + len;					\
+	return wlp_vget_attribute(wlp, (type_code), &attr->hdr, 	\
+			      value, (max), buflen);			\
 }
 
 wlp_get(u8, WLP_ATTR_WLP_VER, version)
diff --git a/drivers/uwb/wlp/sysfs.c b/drivers/uwb/wlp/sysfs.c
index 0370399ff4bb..6627c94cc854 100644
--- a/drivers/uwb/wlp/sysfs.c
+++ b/drivers/uwb/wlp/sysfs.c
@@ -615,8 +615,7 @@ ssize_t wlp_wss_attr_store(struct kobject *kobj, struct attribute *attr,
 	return ret;
 }
 
-static
-struct sysfs_ops wss_sysfs_ops = {
+static const struct sysfs_ops wss_sysfs_ops = {
 	.show	= wlp_wss_attr_show,
 	.store	= wlp_wss_attr_store,
 };
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index ad37da2b6cb5..a6a88dfd5029 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -125,7 +125,7 @@ static void handle_tx(struct vhost_net *net)
 	mutex_lock(&vq->mutex);
 	vhost_disable_notify(vq);
 
-	if (wmem < sock->sk->sk_sndbuf * 2)
+	if (wmem < sock->sk->sk_sndbuf / 2)
 		tx_poll_stop(net);
 	hdr_size = vq->hdr_size;
 
@@ -508,12 +508,12 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd)
 	/* Verify that ring has been setup correctly. */
 	if (!vhost_vq_access_ok(vq)) {
 		r = -EFAULT;
-		goto err;
+		goto err_vq;
 	}
 	sock = get_socket(fd);
 	if (IS_ERR(sock)) {
 		r = PTR_ERR(sock);
-		goto err;
+		goto err_vq;
 	}
 
 	/* start polling new socket */
@@ -524,12 +524,14 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd)
 	vhost_net_disable_vq(n, vq);
 	rcu_assign_pointer(vq->private_data, sock);
 	vhost_net_enable_vq(n, vq);
-	mutex_unlock(&vq->mutex);
 done:
 	if (oldsock) {
 		vhost_net_flush_vq(n, index);
 		fput(oldsock->file);
 	}
+
+err_vq:
+	mutex_unlock(&vq->mutex);
 err:
 	mutex_unlock(&n->dev.mutex);
 	return r;
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 7cd55e078794..7bd7a1e4409d 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -476,8 +476,10 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp)
 		if (r < 0)
 			break;
 		eventfp = f.fd == -1 ? NULL : eventfd_fget(f.fd);
-		if (IS_ERR(eventfp))
-			return PTR_ERR(eventfp);
+		if (IS_ERR(eventfp)) {
+			r = PTR_ERR(eventfp);
+			break;
+		}
 		if (eventfp != vq->kick) {
 			pollstop = filep = vq->kick;
 			pollstart = vq->kick = eventfp;
@@ -489,8 +491,10 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp)
 		if (r < 0)
 			break;
 		eventfp = f.fd == -1 ? NULL : eventfd_fget(f.fd);
-		if (IS_ERR(eventfp))
-			return PTR_ERR(eventfp);
+		if (IS_ERR(eventfp)) {
+			r = PTR_ERR(eventfp);
+			break;
+		}
 		if (eventfp != vq->call) {
 			filep = vq->call;
 			ctx = vq->call_ctx;
@@ -505,8 +509,10 @@ static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp)
 		if (r < 0)
 			break;
 		eventfp = f.fd == -1 ? NULL : eventfd_fget(f.fd);
-		if (IS_ERR(eventfp))
-			return PTR_ERR(eventfp);
+		if (IS_ERR(eventfp)) {
+			r = PTR_ERR(eventfp);
+			break;
+		}
 		if (eventfp != vq->error) {
 			filep = vq->error;
 			vq->error = eventfp;
diff --git a/drivers/video/68328fb.c b/drivers/video/68328fb.c
index 0b17824b0eb5..2110556f76b3 100644
--- a/drivers/video/68328fb.c
+++ b/drivers/video/68328fb.c
@@ -308,7 +308,7 @@ static int mc68x328fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
 	 * Pseudocolor:
 	 *    uses offset = 0 && length = RAMDAC register width.
 	 *    var->{color}.offset is 0
-	 *    var->{color}.length contains widht of DAC
+	 *    var->{color}.length contains width of DAC
 	 *    cmap is not used
 	 *    RAMDAC[X] is programmed to (red, green, blue)
 	 * Truecolor:
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index f15fb024e806..6e16244f3ed1 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -400,9 +400,12 @@ config FB_SA1100
 	  If you plan to use the LCD display with your SA-1100 system, say
 	  Y here.
 
+config HAVE_FB_IMX
+	bool
+
 config FB_IMX
 	tristate "Motorola i.MX LCD support"
-	depends on FB && (ARCH_MX1 || ARCH_MX2)
+	depends on FB && (HAVE_FB_IMX || ARCH_MX1 || ARCH_MX2)
 	select FB_CFB_FILLRECT
 	select FB_CFB_COPYAREA
 	select FB_CFB_IMAGEBLIT
@@ -1506,7 +1509,6 @@ config FB_VIA
        select FB_CFB_FILLRECT
        select FB_CFB_COPYAREA
        select FB_CFB_IMAGEBLIT
-       select FB_SOFT_CURSOR
        select I2C_ALGOBIT
        select I2C
        help
@@ -1879,7 +1881,7 @@ config FB_W100
 
 config FB_SH_MOBILE_LCDC
 	tristate "SuperH Mobile LCDC framebuffer support"
-	depends on FB && SUPERH && HAVE_CLK
+	depends on FB && (SUPERH || ARCH_SHMOBILE) && HAVE_CLK
 	select FB_SYS_FILLRECT
 	select FB_SYS_COPYAREA
 	select FB_SYS_IMAGEBLIT
@@ -1957,6 +1959,27 @@ config FB_S3C2410_DEBUG
 	  Turn on debugging messages. Note that you can set/unset at run time
 	  through sysfs
 
+config FB_NUC900
+        bool "NUC900 LCD framebuffer support"
+        depends on FB && ARCH_W90X900
+        select FB_CFB_FILLRECT
+        select FB_CFB_COPYAREA
+        select FB_CFB_IMAGEBLIT
+        ---help---
+          Frame buffer driver for the built-in LCD controller in the Nuvoton
+          NUC900 processor
+
+config GPM1040A0_320X240
+        bool "Giantplus Technology GPM1040A0 320x240 Color TFT LCD"
+        depends on FB_NUC900
+
+config FB_NUC900_DEBUG
+        bool "NUC900 lcd debug messages"
+        depends on FB_NUC900
+        help
+          Turn on debugging messages. Note that you can set/unset at run time
+          through sysfs
+
 config FB_SM501
 	tristate "Silicon Motion SM501 framebuffer support"
 	depends on FB && MFD_SM501
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 8c9a35778c93..ddc2af2ba45b 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -130,6 +130,7 @@ obj-$(CONFIG_XEN_FBDEV_FRONTEND)  += xen-fbfront.o
 obj-$(CONFIG_FB_CARMINE)          += carminefb.o
 obj-$(CONFIG_FB_MB862XX)	  += mb862xx/
 obj-$(CONFIG_FB_MSM)              += msm/
+obj-$(CONFIG_FB_NUC900)           += nuc900fb.o
 
 # Platform or fallback drivers go here
 obj-$(CONFIG_FB_UVESA)            += uvesafb.o
diff --git a/drivers/video/acornfb.c b/drivers/video/acornfb.c
index 0bcc59eb37fa..43d7d5067361 100644
--- a/drivers/video/acornfb.c
+++ b/drivers/video/acornfb.c
@@ -1221,7 +1221,7 @@ free_unused_pages(unsigned int virtual_start, unsigned int virtual_end)
 	printk("acornfb: freed %dK memory\n", mb_freed);
 }
 
-static int __init acornfb_probe(struct platform_device *dev)
+static int __devinit acornfb_probe(struct platform_device *dev)
 {
 	unsigned long size;
 	u_int h_sync, v_sync;
diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c
index a21efcd10b78..afe21e6eb544 100644
--- a/drivers/video/amba-clcd.c
+++ b/drivers/video/amba-clcd.c
@@ -65,16 +65,16 @@ static void clcdfb_disable(struct clcd_fb *fb)
 	if (fb->board->disable)
 		fb->board->disable(fb);
 
-	val = readl(fb->regs + CLCD_CNTL);
+	val = readl(fb->regs + fb->off_cntl);
 	if (val & CNTL_LCDPWR) {
 		val &= ~CNTL_LCDPWR;
-		writel(val, fb->regs + CLCD_CNTL);
+		writel(val, fb->regs + fb->off_cntl);
 
 		clcdfb_sleep(20);
 	}
 	if (val & CNTL_LCDEN) {
 		val &= ~CNTL_LCDEN;
-		writel(val, fb->regs + CLCD_CNTL);
+		writel(val, fb->regs + fb->off_cntl);
 	}
 
 	/*
@@ -94,7 +94,7 @@ static void clcdfb_enable(struct clcd_fb *fb, u32 cntl)
 	 * Bring up by first enabling..
 	 */
 	cntl |= CNTL_LCDEN;
-	writel(cntl, fb->regs + CLCD_CNTL);
+	writel(cntl, fb->regs + fb->off_cntl);
 
 	clcdfb_sleep(20);
 
@@ -102,7 +102,7 @@ static void clcdfb_enable(struct clcd_fb *fb, u32 cntl)
 	 * and now apply power.
 	 */
 	cntl |= CNTL_LCDPWR;
-	writel(cntl, fb->regs + CLCD_CNTL);
+	writel(cntl, fb->regs + fb->off_cntl);
 
 	/*
 	 * finally, enable the interface.
@@ -233,7 +233,7 @@ static int clcdfb_set_par(struct fb_info *info)
 		readl(fb->regs + CLCD_TIM0), readl(fb->regs + CLCD_TIM1),
 		readl(fb->regs + CLCD_TIM2), readl(fb->regs + CLCD_TIM3),
 		readl(fb->regs + CLCD_UBAS), readl(fb->regs + CLCD_LBAS),
-		readl(fb->regs + CLCD_IENB), readl(fb->regs + CLCD_CNTL));
+		readl(fb->regs + fb->off_ienb), readl(fb->regs + fb->off_cntl));
 #endif
 
 	return 0;
@@ -345,6 +345,23 @@ static int clcdfb_register(struct clcd_fb *fb)
 {
 	int ret;
 
+	/*
+	 * ARM PL111 always has IENB at 0x1c; it's only PL110
+	 * which is reversed on some platforms.
+	 */
+	if (amba_manf(fb->dev) == 0x41 && amba_part(fb->dev) == 0x111) {
+		fb->off_ienb = CLCD_PL111_IENB;
+		fb->off_cntl = CLCD_PL111_CNTL;
+	} else {
+#ifdef CONFIG_ARCH_VERSATILE
+		fb->off_ienb = CLCD_PL111_IENB;
+		fb->off_cntl = CLCD_PL111_CNTL;
+#else
+		fb->off_ienb = CLCD_PL110_IENB;
+		fb->off_cntl = CLCD_PL110_CNTL;
+#endif
+	}
+
 	fb->clk = clk_get(&fb->dev->dev, NULL);
 	if (IS_ERR(fb->clk)) {
 		ret = PTR_ERR(fb->clk);
@@ -416,7 +433,7 @@ static int clcdfb_register(struct clcd_fb *fb)
 	/*
 	 * Ensure interrupts are disabled.
 	 */
-	writel(0, fb->regs + CLCD_IENB);
+	writel(0, fb->regs + fb->off_ienb);
 
 	fb_set_var(&fb->fb, &fb->fb.var);
 
diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
index c3431691c9f2..01554d696528 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -504,7 +504,7 @@ static struct fb_ops arcfb_ops = {
 	.fb_ioctl 	= arcfb_ioctl,
 };
 
-static int __init arcfb_probe(struct platform_device *dev)
+static int __devinit arcfb_probe(struct platform_device *dev)
 {
 	struct fb_info *info;
 	int retval = -ENOMEM;
diff --git a/drivers/video/asiliantfb.c b/drivers/video/asiliantfb.c
index 9fe90ce928fb..e70bc225fe31 100644
--- a/drivers/video/asiliantfb.c
+++ b/drivers/video/asiliantfb.c
@@ -140,7 +140,7 @@ static void asiliant_calc_dclk2(u32 *ppixclock, u8 *dclk2_m, u8 *dclk2_n, u8 *dc
 
 		/* 3 <= m <= 257 */
 		if (m >= 3 && m <= 257) {
-			unsigned new_error = ((Ftarget * n) - (Fref * m)) >= 0 ?
+			unsigned new_error = Ftarget * n >= Fref * m ?
 					       ((Ftarget * n) - (Fref * m)) : ((Fref * m) - (Ftarget * n));
 			if (new_error < best_error) {
 				best_n = n;
@@ -152,7 +152,7 @@ static void asiliant_calc_dclk2(u32 *ppixclock, u8 *dclk2_m, u8 *dclk2_n, u8 *dc
 		else if (m <= 1028) {
 			/* remember there are still only 8-bits of precision in m, so
 			 * avoid over-optimistic error calculations */
-			unsigned new_error = ((Ftarget * n) - (Fref * (m & ~3))) >= 0 ?
+			unsigned new_error = Ftarget * n >= Fref * (m & ~3) ?
 					       ((Ftarget * n) - (Fref * (m & ~3))) : ((Fref * (m & ~3)) - (Ftarget * n));
 			if (new_error < best_error) {
 				best_n = n;
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
index 3d886c6902f9..11de3bfd4e54 100644
--- a/drivers/video/atmel_lcdfb.c
+++ b/drivers/video/atmel_lcdfb.c
@@ -117,6 +117,7 @@ static struct backlight_ops atmel_lcdc_bl_ops = {
 
 static void init_backlight(struct atmel_lcdfb_info *sinfo)
 {
+	struct backlight_properties props;
 	struct backlight_device	*bl;
 
 	sinfo->bl_power = FB_BLANK_UNBLANK;
@@ -124,8 +125,10 @@ static void init_backlight(struct atmel_lcdfb_info *sinfo)
 	if (sinfo->backlight)
 		return;
 
-	bl = backlight_device_register("backlight", &sinfo->pdev->dev,
-			sinfo, &atmel_lcdc_bl_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 0xff;
+	bl = backlight_device_register("backlight", &sinfo->pdev->dev, sinfo,
+				       &atmel_lcdc_bl_ops, &props);
 	if (IS_ERR(bl)) {
 		dev_err(&sinfo->pdev->dev, "error %ld on backlight register\n",
 				PTR_ERR(bl));
@@ -135,7 +138,6 @@ static void init_backlight(struct atmel_lcdfb_info *sinfo)
 
 	bl->props.power = FB_BLANK_UNBLANK;
 	bl->props.fb_blank = FB_BLANK_UNBLANK;
-	bl->props.max_brightness = 0xff;
 	bl->props.brightness = atmel_bl_get_brightness(bl);
 }
 
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index 9ee67d6da710..a489be0c4614 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -1802,6 +1802,7 @@ static void aty128_bl_set_power(struct fb_info *info, int power)
 
 static void aty128_bl_init(struct aty128fb_par *par)
 {
+	struct backlight_properties props;
 	struct fb_info *info = pci_get_drvdata(par->pdev);
 	struct backlight_device *bd;
 	char name[12];
@@ -1817,7 +1818,10 @@ static void aty128_bl_init(struct aty128fb_par *par)
 
 	snprintf(name, sizeof(name), "aty128bl%d", info->node);
 
-	bd = backlight_device_register(name, info->dev, par, &aty128_bl_data);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
+	bd = backlight_device_register(name, info->dev, par, &aty128_bl_data,
+				       &props);
 	if (IS_ERR(bd)) {
 		info->bl_dev = NULL;
 		printk(KERN_WARNING "aty128: Backlight registration failed\n");
@@ -1829,7 +1833,6 @@ static void aty128_bl_init(struct aty128fb_par *par)
 		 63 * FB_BACKLIGHT_MAX / MAX_LEVEL,
 		219 * FB_BACKLIGHT_MAX / MAX_LEVEL);
 
-	bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
 	bd->props.brightness = bd->props.max_brightness;
 	bd->props.power = FB_BLANK_UNBLANK;
 	backlight_update_status(bd);
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index e45ab8db2ddc..29d72851f85b 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2232,6 +2232,7 @@ static struct backlight_ops aty_bl_data = {
 
 static void aty_bl_init(struct atyfb_par *par)
 {
+	struct backlight_properties props;
 	struct fb_info *info = pci_get_drvdata(par->pdev);
 	struct backlight_device *bd;
 	char name[12];
@@ -2243,7 +2244,10 @@ static void aty_bl_init(struct atyfb_par *par)
 
 	snprintf(name, sizeof(name), "atybl%d", info->node);
 
-	bd = backlight_device_register(name, info->dev, par, &aty_bl_data);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
+	bd = backlight_device_register(name, info->dev, par, &aty_bl_data,
+				       &props);
 	if (IS_ERR(bd)) {
 		info->bl_dev = NULL;
 		printk(KERN_WARNING "aty: Backlight registration failed\n");
@@ -2255,7 +2259,6 @@ static void aty_bl_init(struct atyfb_par *par)
 			    0x3F * FB_BACKLIGHT_MAX / MAX_LEVEL,
 			    0xFF * FB_BACKLIGHT_MAX / MAX_LEVEL);
 
-	bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
 	bd->props.brightness = bd->props.max_brightness;
 	bd->props.power = FB_BLANK_UNBLANK;
 	backlight_update_status(bd);
diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c
index fa1198c4ccc5..9fc8c66be3ce 100644
--- a/drivers/video/aty/radeon_backlight.c
+++ b/drivers/video/aty/radeon_backlight.c
@@ -134,6 +134,7 @@ static struct backlight_ops radeon_bl_data = {
 
 void radeonfb_bl_init(struct radeonfb_info *rinfo)
 {
+	struct backlight_properties props;
 	struct backlight_device *bd;
 	struct radeon_bl_privdata *pdata;
 	char name[12];
@@ -155,7 +156,10 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo)
 
 	snprintf(name, sizeof(name), "radeonbl%d", rinfo->info->node);
 
-	bd = backlight_device_register(name, rinfo->info->dev, pdata, &radeon_bl_data);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
+	bd = backlight_device_register(name, rinfo->info->dev, pdata,
+				       &radeon_bl_data, &props);
 	if (IS_ERR(bd)) {
 		rinfo->info->bl_dev = NULL;
 		printk("radeonfb: Backlight registration failed\n");
@@ -185,7 +189,6 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo)
 		 63 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL,
 		217 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL);
 
-	bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
 	bd->props.brightness = bd->props.max_brightness;
 	bd->props.power = FB_BLANK_UNBLANK;
 	backlight_update_status(bd);
diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c
new file mode 100644
index 000000000000..93e25c77aeb2
--- /dev/null
+++ b/drivers/video/backlight/88pm860x_bl.c
@@ -0,0 +1,306 @@
+/*
+ * Backlight driver for Marvell Semiconductor 88PM8606
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ *	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+#include <linux/i2c.h>
+#include <linux/backlight.h>
+#include <linux/mfd/88pm860x.h>
+
+#define MAX_BRIGHTNESS		(0xFF)
+#define MIN_BRIGHTNESS		(0)
+
+#define CURRENT_MASK		(0x1F << 1)
+
+struct pm860x_backlight_data {
+	struct pm860x_chip *chip;
+	struct i2c_client *i2c;
+	int	current_brightness;
+	int	port;
+	int	pwm;
+	int	iset;
+};
+
+static inline int wled_a(int port)
+{
+	int ret;
+
+	ret = ((port - PM8606_BACKLIGHT1) << 1) + 2;
+	return ret;
+}
+
+static inline int wled_b(int port)
+{
+	int ret;
+
+	ret = ((port - PM8606_BACKLIGHT1) << 1) + 3;
+	return ret;
+}
+
+/* WLED2 & WLED3 share the same IDC */
+static inline int wled_idc(int port)
+{
+	int ret;
+
+	switch (port) {
+	case PM8606_BACKLIGHT1:
+	case PM8606_BACKLIGHT2:
+		ret = ((port - PM8606_BACKLIGHT1) << 1) + 3;
+		break;
+	case PM8606_BACKLIGHT3:
+	default:
+		ret = ((port - PM8606_BACKLIGHT2) << 1) + 3;
+		break;
+	}
+	return ret;
+}
+
+static int pm860x_backlight_set(struct backlight_device *bl, int brightness)
+{
+	struct pm860x_backlight_data *data = bl_get_data(bl);
+	struct pm860x_chip *chip = data->chip;
+	unsigned char value;
+	int ret;
+
+	if (brightness > MAX_BRIGHTNESS)
+		value = MAX_BRIGHTNESS;
+	else
+		value = brightness;
+
+	ret = pm860x_reg_write(data->i2c, wled_a(data->port), value);
+	if (ret < 0)
+		goto out;
+
+	if ((data->current_brightness == 0) && brightness) {
+		if (data->iset) {
+			ret = pm860x_set_bits(data->i2c, wled_idc(data->port),
+					      CURRENT_MASK, data->iset);
+			if (ret < 0)
+				goto out;
+		}
+		if (data->pwm) {
+			ret = pm860x_set_bits(data->i2c, PM8606_PWM,
+					      PM8606_PWM_FREQ_MASK, data->pwm);
+			if (ret < 0)
+				goto out;
+		}
+		if (brightness == MAX_BRIGHTNESS) {
+			/* set WLED_ON bit as 100% */
+			ret = pm860x_set_bits(data->i2c, wled_b(data->port),
+					      PM8606_WLED_ON, PM8606_WLED_ON);
+		}
+	} else {
+		if (brightness == MAX_BRIGHTNESS) {
+			/* set WLED_ON bit as 100% */
+			ret = pm860x_set_bits(data->i2c, wled_b(data->port),
+					      PM8606_WLED_ON, PM8606_WLED_ON);
+		} else {
+			/* clear WLED_ON bit since it's not 100% */
+			ret = pm860x_set_bits(data->i2c, wled_b(data->port),
+					      PM8606_WLED_ON, 0);
+		}
+	}
+	if (ret < 0)
+		goto out;
+
+	dev_dbg(chip->dev, "set brightness %d\n", value);
+	data->current_brightness = value;
+	return 0;
+out:
+	dev_dbg(chip->dev, "set brightness %d failure with return "
+		"value:%d\n", value, ret);
+	return ret;
+}
+
+static int pm860x_backlight_update_status(struct backlight_device *bl)
+{
+	int brightness = bl->props.brightness;
+
+	if (bl->props.power != FB_BLANK_UNBLANK)
+		brightness = 0;
+
+	if (bl->props.fb_blank != FB_BLANK_UNBLANK)
+		brightness = 0;
+
+	if (bl->props.state & BL_CORE_SUSPENDED)
+		brightness = 0;
+
+	return pm860x_backlight_set(bl, brightness);
+}
+
+static int pm860x_backlight_get_brightness(struct backlight_device *bl)
+{
+	struct pm860x_backlight_data *data = bl_get_data(bl);
+	struct pm860x_chip *chip = data->chip;
+	int ret;
+
+	ret = pm860x_reg_read(data->i2c, wled_a(data->port));
+	if (ret < 0)
+		goto out;
+	data->current_brightness = ret;
+	dev_dbg(chip->dev, "get brightness %d\n", data->current_brightness);
+	return data->current_brightness;
+out:
+	return -EINVAL;
+}
+
+static struct backlight_ops pm860x_backlight_ops = {
+	.options	= BL_CORE_SUSPENDRESUME,
+	.update_status	= pm860x_backlight_update_status,
+	.get_brightness	= pm860x_backlight_get_brightness,
+};
+
+static int __check_device(struct pm860x_backlight_pdata *pdata, char *name)
+{
+	struct pm860x_backlight_pdata *p = pdata;
+	int ret = -EINVAL;
+
+	while (p && p->id) {
+		if ((p->id != PM8606_ID_BACKLIGHT) || (p->flags < 0))
+			break;
+
+		if (!strncmp(name, pm860x_backlight_name[p->flags],
+			MFD_NAME_SIZE)) {
+			ret = (int)p->flags;
+			break;
+		}
+		p++;
+	}
+	return ret;
+}
+
+static int pm860x_backlight_probe(struct platform_device *pdev)
+{
+	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
+	struct pm860x_platform_data *pm860x_pdata;
+	struct pm860x_backlight_pdata *pdata = NULL;
+	struct pm860x_backlight_data *data;
+	struct backlight_device *bl;
+	struct resource *res;
+	struct backlight_properties props;
+	unsigned char value;
+	char name[MFD_NAME_SIZE];
+	int ret;
+
+	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+	if (res == NULL) {
+		dev_err(&pdev->dev, "No I/O resource!\n");
+		return -EINVAL;
+	}
+
+	if (pdev->dev.parent->platform_data) {
+		pm860x_pdata = pdev->dev.parent->platform_data;
+		pdata = pm860x_pdata->backlight;
+	}
+	if (pdata == NULL) {
+		dev_err(&pdev->dev, "platform data isn't assigned to "
+			"backlight\n");
+		return -EINVAL;
+	}
+
+	data = kzalloc(sizeof(struct pm860x_backlight_data), GFP_KERNEL);
+	if (data == NULL)
+		return -ENOMEM;
+	strncpy(name, res->name, MFD_NAME_SIZE);
+	data->chip = chip;
+	data->i2c = (chip->id == CHIP_PM8606) ? chip->client	\
+			: chip->companion;
+	data->current_brightness = MAX_BRIGHTNESS;
+	data->pwm = pdata->pwm;
+	data->iset = pdata->iset;
+	data->port = __check_device(pdata, name);
+	if (data->port < 0) {
+		dev_err(&pdev->dev, "wrong platform data is assigned");
+		return -EINVAL;
+	}
+
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = MAX_BRIGHTNESS;
+	bl = backlight_device_register(name, &pdev->dev, data,
+					&pm860x_backlight_ops, &props);
+	if (IS_ERR(bl)) {
+		dev_err(&pdev->dev, "failed to register backlight\n");
+		kfree(data);
+		return PTR_ERR(bl);
+	}
+	bl->props.brightness = MAX_BRIGHTNESS;
+
+	platform_set_drvdata(pdev, bl);
+
+	/* Enable reference VSYS */
+	ret = pm860x_reg_read(data->i2c, PM8606_VSYS);
+	if (ret < 0)
+		goto out;
+	if ((ret & PM8606_VSYS_EN) == 0) {
+		value = ret | PM8606_VSYS_EN;
+		ret = pm860x_reg_write(data->i2c, PM8606_VSYS, value);
+		if (ret < 0)
+			goto out;
+	}
+	/* Enable reference OSC */
+	ret = pm860x_reg_read(data->i2c, PM8606_MISC);
+	if (ret < 0)
+		goto out;
+	if ((ret & PM8606_MISC_OSC_EN) == 0) {
+		value = ret | PM8606_MISC_OSC_EN;
+		ret = pm860x_reg_write(data->i2c, PM8606_MISC, value);
+		if (ret < 0)
+			goto out;
+	}
+	/* read current backlight */
+	ret = pm860x_backlight_get_brightness(bl);
+	if (ret < 0)
+		goto out;
+
+	backlight_update_status(bl);
+	return 0;
+out:
+	kfree(data);
+	return ret;
+}
+
+static int pm860x_backlight_remove(struct platform_device *pdev)
+{
+	struct backlight_device *bl = platform_get_drvdata(pdev);
+	struct pm860x_backlight_data *data = bl_get_data(bl);
+
+	backlight_device_unregister(bl);
+	kfree(data);
+	return 0;
+}
+
+static struct platform_driver pm860x_backlight_driver = {
+	.driver		= {
+		.name	= "88pm860x-backlight",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= pm860x_backlight_probe,
+	.remove		= pm860x_backlight_remove,
+};
+
+static int __init pm860x_backlight_init(void)
+{
+	return platform_driver_register(&pm860x_backlight_driver);
+}
+module_init(pm860x_backlight_init);
+
+static void __exit pm860x_backlight_exit(void)
+{
+	platform_driver_unregister(&pm860x_backlight_driver);
+}
+module_exit(pm860x_backlight_exit);
+
+MODULE_DESCRIPTION("Backlight Driver for Marvell Semiconductor 88PM8606");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:88pm860x-backlight");
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 09bfa9662e4d..c025c84601b0 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -31,6 +31,13 @@ config LCD_CORGI
 	  Say y here to support the LCD panels usually found on SHARP
 	  corgi (C7x0) and spitz (Cxx00) models.
 
+config LCD_L4F00242T03
+	tristate "Epson L4F00242T03 LCD"
+	depends on LCD_CLASS_DEVICE && SPI_MASTER && GENERIC_GPIO
+	help
+	  SPI driver for Epson L4F00242T03. This provides basic support
+	  for init and powering the LCD up/down through a sysfs interface.
+
 config LCD_LMS283GF05
 	tristate "Samsung LMS283GF05 LCD"
 	depends on LCD_CLASS_DEVICE && SPI_MASTER && GENERIC_GPIO
@@ -212,6 +219,13 @@ config BACKLIGHT_DA903X
 	  If you have a LCD backlight connected to the WLED output of DA9030
 	  or DA9034 WLED output, say Y here to enable this driver.
 
+config BACKLIGHT_MAX8925
+	tristate "Backlight driver for MAX8925"
+	depends on BACKLIGHT_CLASS_DEVICE && MFD_MAX8925
+	help
+	  If you have a LCD backlight connected to the WLED output of MAX8925
+	  WLED output, say Y here to enable this driver.
+
 config BACKLIGHT_MBP_NVIDIA
        tristate "MacBook Pro Nvidia Backlight Driver"
        depends on BACKLIGHT_CLASS_DEVICE && X86
@@ -262,3 +276,9 @@ config BACKLIGHT_ADP5520
 	  To compile this driver as a module, choose M here: the module will
 	  be called adp5520_bl.
 
+config BACKLIGHT_88PM860X
+	tristate "Backlight Driver for 88PM8606 using WLED"
+	depends on BACKLIGHT_CLASS_DEVICE && MFD_88PM860X
+	help
+	  Say Y to enable the backlight driver for Marvell 88PM8606.
+
diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile
index 9a405548874c..09d1f14d6257 100644
--- a/drivers/video/backlight/Makefile
+++ b/drivers/video/backlight/Makefile
@@ -3,6 +3,7 @@
 obj-$(CONFIG_LCD_CLASS_DEVICE)     += lcd.o
 obj-$(CONFIG_LCD_CORGI)		   += corgi_lcd.o
 obj-$(CONFIG_LCD_HP700)		   += jornada720_lcd.o
+obj-$(CONFIG_LCD_L4F00242T03)	   += l4f00242t03.o
 obj-$(CONFIG_LCD_LMS283GF05)	   += lms283gf05.o
 obj-$(CONFIG_LCD_LTV350QV)	   += ltv350qv.o
 obj-$(CONFIG_LCD_ILI9320)	   += ili9320.o
@@ -22,10 +23,12 @@ obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o
 obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o
 obj-$(CONFIG_BACKLIGHT_PWM)	+= pwm_bl.o
 obj-$(CONFIG_BACKLIGHT_DA903X)	+= da903x_bl.o
+obj-$(CONFIG_BACKLIGHT_MAX8925)	+= max8925_bl.o
 obj-$(CONFIG_BACKLIGHT_MBP_NVIDIA) += mbp_nvidia_bl.o
 obj-$(CONFIG_BACKLIGHT_TOSA)	+= tosa_bl.o
 obj-$(CONFIG_BACKLIGHT_SAHARA)	+= kb3886_bl.o
 obj-$(CONFIG_BACKLIGHT_WM831X)	+= wm831x_bl.o
 obj-$(CONFIG_BACKLIGHT_ADX)    += adx_bl.o
 obj-$(CONFIG_BACKLIGHT_ADP5520)	+= adp5520_bl.o
+obj-$(CONFIG_BACKLIGHT_88PM860X) += 88pm860x_bl.o
 
diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c
index 86d95c228adb..5183f0e4d314 100644
--- a/drivers/video/backlight/adp5520_bl.c
+++ b/drivers/video/backlight/adp5520_bl.c
@@ -278,6 +278,7 @@ static const struct attribute_group adp5520_bl_attr_group = {
 
 static int __devinit adp5520_bl_probe(struct platform_device *pdev)
 {
+	struct backlight_properties props;
 	struct backlight_device *bl;
 	struct adp5520_bl *data;
 	int ret = 0;
@@ -300,17 +301,17 @@ static int __devinit adp5520_bl_probe(struct platform_device *pdev)
 
 	mutex_init(&data->lock);
 
-	bl = backlight_device_register(pdev->name, data->master,
-			data, &adp5520_bl_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = ADP5020_MAX_BRIGHTNESS;
+	bl = backlight_device_register(pdev->name, data->master, data,
+				       &adp5520_bl_ops, &props);
 	if (IS_ERR(bl)) {
 		dev_err(&pdev->dev, "failed to register backlight\n");
 		kfree(data);
 		return PTR_ERR(bl);
 	}
 
-	bl->props.max_brightness =
-		bl->props.brightness = ADP5020_MAX_BRIGHTNESS;
-
+	bl->props.brightness = ADP5020_MAX_BRIGHTNESS;
 	if (data->pdata->en_ambl_sens)
 		ret = sysfs_create_group(&bl->dev.kobj,
 			&adp5520_bl_attr_group);
diff --git a/drivers/video/backlight/adx_bl.c b/drivers/video/backlight/adx_bl.c
index d769b0bab21a..b0624b983889 100644
--- a/drivers/video/backlight/adx_bl.c
+++ b/drivers/video/backlight/adx_bl.c
@@ -56,7 +56,7 @@ static int adx_backlight_get_brightness(struct backlight_device *bldev)
 	return brightness & 0xff;
 }
 
-static int adx_backlight_check_fb(struct fb_info *fb)
+static int adx_backlight_check_fb(struct backlight_device *bldev, struct fb_info *fb)
 {
 	return 1;
 }
@@ -70,6 +70,7 @@ static const struct backlight_ops adx_backlight_ops = {
 
 static int __devinit adx_backlight_probe(struct platform_device *pdev)
 {
+	struct backlight_properties props;
 	struct backlight_device *bldev;
 	struct resource *res;
 	struct adxbl *bl;
@@ -101,14 +102,15 @@ static int __devinit adx_backlight_probe(struct platform_device *pdev)
 		goto out;
 	}
 
-	bldev = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, bl,
-			&adx_backlight_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 0xff;
+	bldev = backlight_device_register(dev_name(&pdev->dev), &pdev->dev,
+					  bl, &adx_backlight_ops, &props);
 	if (!bldev) {
 		ret = -ENOMEM;
 		goto out;
 	}
 
-	bldev->props.max_brightness = 0xff;
 	bldev->props.brightness = 0xff;
 	bldev->props.power = FB_BLANK_UNBLANK;
 
diff --git a/drivers/video/backlight/atmel-pwm-bl.c b/drivers/video/backlight/atmel-pwm-bl.c
index f625ffc69ad3..2d9760551a4b 100644
--- a/drivers/video/backlight/atmel-pwm-bl.c
+++ b/drivers/video/backlight/atmel-pwm-bl.c
@@ -120,6 +120,7 @@ static const struct backlight_ops atmel_pwm_bl_ops = {
 
 static int atmel_pwm_bl_probe(struct platform_device *pdev)
 {
+	struct backlight_properties props;
 	const struct atmel_pwm_bl_platform_data *pdata;
 	struct backlight_device *bldev;
 	struct atmel_pwm_bl *pwmbl;
@@ -165,8 +166,10 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev)
 			goto err_free_gpio;
 	}
 
-	bldev = backlight_device_register("atmel-pwm-bl",
-			&pdev->dev, pwmbl, &atmel_pwm_bl_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = pdata->pwm_duty_max - pdata->pwm_duty_min;
+	bldev = backlight_device_register("atmel-pwm-bl", &pdev->dev, pwmbl,
+					  &atmel_pwm_bl_ops, &props);
 	if (IS_ERR(bldev)) {
 		retval = PTR_ERR(bldev);
 		goto err_free_gpio;
@@ -178,7 +181,6 @@ static int atmel_pwm_bl_probe(struct platform_device *pdev)
 
 	/* Power up the backlight by default at middle intesity. */
 	bldev->props.power = FB_BLANK_UNBLANK;
-	bldev->props.max_brightness = pdata->pwm_duty_max - pdata->pwm_duty_min;
 	bldev->props.brightness = bldev->props.max_brightness / 2;
 
 	retval = atmel_pwm_bl_init_pwm(pwmbl);
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c
index 18829cf68b1b..68bb838b9f11 100644
--- a/drivers/video/backlight/backlight.c
+++ b/drivers/video/backlight/backlight.c
@@ -38,7 +38,7 @@ static int fb_notifier_callback(struct notifier_block *self,
 	mutex_lock(&bd->ops_lock);
 	if (bd->ops)
 		if (!bd->ops->check_fb ||
-		    bd->ops->check_fb(evdata->info)) {
+		    bd->ops->check_fb(bd, evdata->info)) {
 			bd->props.fb_blank = *(int *)evdata->data;
 			if (bd->props.fb_blank == FB_BLANK_UNBLANK)
 				bd->props.state &= ~BL_CORE_FBBLANK;
@@ -269,7 +269,8 @@ EXPORT_SYMBOL(backlight_force_update);
  * ERR_PTR() or a pointer to the newly allocated device.
  */
 struct backlight_device *backlight_device_register(const char *name,
-		struct device *parent, void *devdata, const struct backlight_ops *ops)
+	struct device *parent, void *devdata, const struct backlight_ops *ops,
+	const struct backlight_properties *props)
 {
 	struct backlight_device *new_bd;
 	int rc;
@@ -289,6 +290,11 @@ struct backlight_device *backlight_device_register(const char *name,
 	dev_set_name(&new_bd->dev, name);
 	dev_set_drvdata(&new_bd->dev, devdata);
 
+	/* Set default properties */
+	if (props)
+		memcpy(&new_bd->props, props,
+		       sizeof(struct backlight_properties));
+
 	rc = device_register(&new_bd->dev);
 	if (rc) {
 		kfree(new_bd);
diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c
index b4bcf8043797..73bdd8454c94 100644
--- a/drivers/video/backlight/corgi_lcd.c
+++ b/drivers/video/backlight/corgi_lcd.c
@@ -533,6 +533,7 @@ err_free_backlight_on:
 
 static int __devinit corgi_lcd_probe(struct spi_device *spi)
 {
+	struct backlight_properties props;
 	struct corgi_lcd_platform_data *pdata = spi->dev.platform_data;
 	struct corgi_lcd *lcd;
 	int ret = 0;
@@ -559,13 +560,14 @@ static int __devinit corgi_lcd_probe(struct spi_device *spi)
 	lcd->power = FB_BLANK_POWERDOWN;
 	lcd->mode = (pdata) ? pdata->init_mode : CORGI_LCD_MODE_VGA;
 
-	lcd->bl_dev = backlight_device_register("corgi_bl", &spi->dev,
-					lcd, &corgi_bl_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = pdata->max_intensity;
+	lcd->bl_dev = backlight_device_register("corgi_bl", &spi->dev, lcd,
+						&corgi_bl_ops, &props);
 	if (IS_ERR(lcd->bl_dev)) {
 		ret = PTR_ERR(lcd->bl_dev);
 		goto err_unregister_lcd;
 	}
-	lcd->bl_dev->props.max_brightness = pdata->max_intensity;
 	lcd->bl_dev->props.brightness = pdata->default_intensity;
 	lcd->bl_dev->props.power = FB_BLANK_UNBLANK;
 
diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c
index da86db4374a0..1cce6031bff2 100644
--- a/drivers/video/backlight/cr_bllcd.c
+++ b/drivers/video/backlight/cr_bllcd.c
@@ -170,6 +170,7 @@ static struct lcd_ops cr_lcd_ops = {
 
 static int cr_backlight_probe(struct platform_device *pdev)
 {
+	struct backlight_properties props;
 	struct backlight_device *bdp;
 	struct lcd_device *ldp;
 	struct cr_panel *crp;
@@ -190,8 +191,9 @@ static int cr_backlight_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	bdp = backlight_device_register("cr-backlight",
-					&pdev->dev, NULL, &cr_backlight_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	bdp = backlight_device_register("cr-backlight", &pdev->dev, NULL,
+					&cr_backlight_ops, &props);
 	if (IS_ERR(bdp)) {
 		pci_dev_put(lpc_dev);
 		return PTR_ERR(bdp);
@@ -220,9 +222,7 @@ static int cr_backlight_probe(struct platform_device *pdev)
 	crp->cr_lcd_device = ldp;
 	crp->cr_backlight_device->props.power = FB_BLANK_UNBLANK;
 	crp->cr_backlight_device->props.brightness = 0;
-	crp->cr_backlight_device->props.max_brightness = 0;
 	cr_backlight_set_intensity(crp->cr_backlight_device);
-
 	cr_lcd_set_power(crp->cr_lcd_device, FB_BLANK_UNBLANK);
 
 	platform_set_drvdata(pdev, crp);
diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c
index 74cdc640173d..686e4a789238 100644
--- a/drivers/video/backlight/da903x_bl.c
+++ b/drivers/video/backlight/da903x_bl.c
@@ -105,6 +105,7 @@ static int da903x_backlight_probe(struct platform_device *pdev)
 	struct da9034_backlight_pdata *pdata = pdev->dev.platform_data;
 	struct da903x_backlight_data *data;
 	struct backlight_device *bl;
+	struct backlight_properties props;
 	int max_brightness;
 
 	data = kzalloc(sizeof(*data), GFP_KERNEL);
@@ -134,15 +135,15 @@ static int da903x_backlight_probe(struct platform_device *pdev)
 		da903x_write(data->da903x_dev, DA9034_WLED_CONTROL2,
 				DA9034_WLED_ISET(pdata->output_current));
 
-	bl = backlight_device_register(pdev->name, data->da903x_dev,
-			data, &da903x_backlight_ops);
+	props.max_brightness = max_brightness;
+	bl = backlight_device_register(pdev->name, data->da903x_dev, data,
+				       &da903x_backlight_ops, &props);
 	if (IS_ERR(bl)) {
 		dev_err(&pdev->dev, "failed to register backlight\n");
 		kfree(data);
 		return PTR_ERR(bl);
 	}
 
-	bl->props.max_brightness = max_brightness;
 	bl->props.brightness = max_brightness;
 
 	platform_set_drvdata(pdev, bl);
diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c
index e6d348e63596..312ca619735d 100644
--- a/drivers/video/backlight/generic_bl.c
+++ b/drivers/video/backlight/generic_bl.c
@@ -78,6 +78,7 @@ static const struct backlight_ops genericbl_ops = {
 
 static int genericbl_probe(struct platform_device *pdev)
 {
+	struct backlight_properties props;
 	struct generic_bl_info *machinfo = pdev->dev.platform_data;
 	const char *name = "generic-bl";
 	struct backlight_device *bd;
@@ -89,14 +90,15 @@ static int genericbl_probe(struct platform_device *pdev)
 	if (machinfo->name)
 		name = machinfo->name;
 
-	bd = backlight_device_register (name,
-		&pdev->dev, NULL, &genericbl_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = machinfo->max_intensity;
+	bd = backlight_device_register(name, &pdev->dev, NULL, &genericbl_ops,
+				       &props);
 	if (IS_ERR (bd))
 		return PTR_ERR (bd);
 
 	platform_set_drvdata(pdev, bd);
 
-	bd->props.max_brightness = machinfo->max_intensity;
 	bd->props.power = FB_BLANK_UNBLANK;
 	bd->props.brightness = machinfo->default_intensity;
 	backlight_update_status(bd);
diff --git a/drivers/video/backlight/hp680_bl.c b/drivers/video/backlight/hp680_bl.c
index f7cc528d5be7..267d23f8d645 100644
--- a/drivers/video/backlight/hp680_bl.c
+++ b/drivers/video/backlight/hp680_bl.c
@@ -105,16 +105,18 @@ static const struct backlight_ops hp680bl_ops = {
 
 static int __devinit hp680bl_probe(struct platform_device *pdev)
 {
+	struct backlight_properties props;
 	struct backlight_device *bd;
 
-	bd = backlight_device_register ("hp680-bl", &pdev->dev, NULL,
-		    &hp680bl_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = HP680_MAX_INTENSITY;
+	bd = backlight_device_register("hp680-bl", &pdev->dev, NULL,
+				       &hp680bl_ops, &props);
 	if (IS_ERR(bd))
 		return PTR_ERR(bd);
 
 	platform_set_drvdata(pdev, bd);
 
-	bd->props.max_brightness = HP680_MAX_INTENSITY;
 	bd->props.brightness = HP680_DEFAULT_INTENSITY;
 	hp680bl_send_intensity(bd);
 
diff --git a/drivers/video/backlight/jornada720_bl.c b/drivers/video/backlight/jornada720_bl.c
index db9071fc5665..2f177b3a4885 100644
--- a/drivers/video/backlight/jornada720_bl.c
+++ b/drivers/video/backlight/jornada720_bl.c
@@ -101,10 +101,14 @@ static const struct backlight_ops jornada_bl_ops = {
 
 static int jornada_bl_probe(struct platform_device *pdev)
 {
+	struct backlight_properties props;
 	int ret;
 	struct backlight_device *bd;
 
-	bd = backlight_device_register(S1D_DEVICENAME, &pdev->dev, NULL, &jornada_bl_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = BL_MAX_BRIGHT;
+	bd = backlight_device_register(S1D_DEVICENAME, &pdev->dev, NULL,
+				       &jornada_bl_ops, &props);
 
 	if (IS_ERR(bd)) {
 		ret = PTR_ERR(bd);
@@ -117,7 +121,6 @@ static int jornada_bl_probe(struct platform_device *pdev)
 	/* note. make sure max brightness is set otherwise
 	   you will get seemingly non-related errors when
 	   trying to change brightness */
-	bd->props.max_brightness = BL_MAX_BRIGHT;
 	jornada_bl_update_status(bd);
 
 	platform_set_drvdata(pdev, bd);
diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c
index 939e7b830cf3..f439a8632287 100644
--- a/drivers/video/backlight/kb3886_bl.c
+++ b/drivers/video/backlight/kb3886_bl.c
@@ -141,20 +141,24 @@ static const struct backlight_ops kb3886bl_ops = {
 
 static int kb3886bl_probe(struct platform_device *pdev)
 {
+	struct backlight_properties props;
 	struct kb3886bl_machinfo *machinfo = pdev->dev.platform_data;
 
 	bl_machinfo = machinfo;
 	if (!machinfo->limit_mask)
 		machinfo->limit_mask = -1;
 
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = machinfo->max_intensity;
 	kb3886_backlight_device = backlight_device_register("kb3886-bl",
-		&pdev->dev, NULL, &kb3886bl_ops);
+							    &pdev->dev, NULL,
+							    &kb3886bl_ops,
+							    &props);
 	if (IS_ERR(kb3886_backlight_device))
 		return PTR_ERR(kb3886_backlight_device);
 
 	platform_set_drvdata(pdev, kb3886_backlight_device);
 
-	kb3886_backlight_device->props.max_brightness = machinfo->max_intensity;
 	kb3886_backlight_device->props.power = FB_BLANK_UNBLANK;
 	kb3886_backlight_device->props.brightness = machinfo->default_intensity;
 	backlight_update_status(kb3886_backlight_device);
diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c
new file mode 100644
index 000000000000..74abd6994b09
--- /dev/null
+++ b/drivers/video/backlight/l4f00242t03.c
@@ -0,0 +1,257 @@
+/*
+ * l4f00242t03.c -- support for Epson L4F00242T03 LCD
+ *
+ * Copyright 2007-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
+ * 	Inspired by Marek Vasut work in l4f00242t03.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/device.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/lcd.h>
+#include <linux/regulator/consumer.h>
+
+#include <linux/spi/spi.h>
+#include <linux/spi/l4f00242t03.h>
+
+struct l4f00242t03_priv {
+	struct spi_device	*spi;
+	struct lcd_device	*ld;
+	int lcd_on:1;
+	struct regulator *io_reg;
+	struct regulator *core_reg;
+};
+
+
+static void l4f00242t03_reset(unsigned int gpio)
+{
+	pr_debug("l4f00242t03_reset.\n");
+	gpio_set_value(gpio, 1);
+	mdelay(100);
+	gpio_set_value(gpio, 0);
+	mdelay(10);	/* tRES >= 100us */
+	gpio_set_value(gpio, 1);
+	mdelay(20);
+}
+
+#define param(x) ((x) | 0x100)
+
+static void l4f00242t03_lcd_init(struct spi_device *spi)
+{
+	struct l4f00242t03_pdata *pdata = spi->dev.platform_data;
+	struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev);
+	const u16 cmd[] = { 0x36, param(0), 0x3A, param(0x60) };
+
+	dev_dbg(&spi->dev, "initializing LCD\n");
+
+	if (priv->io_reg) {
+		regulator_set_voltage(priv->io_reg, 1800000, 1800000);
+		regulator_enable(priv->io_reg);
+	}
+
+	if (priv->core_reg) {
+		regulator_set_voltage(priv->core_reg, 2800000, 2800000);
+		regulator_enable(priv->core_reg);
+	}
+
+	gpio_set_value(pdata->data_enable_gpio, 1);
+	msleep(60);
+	spi_write(spi, (const u8 *)cmd, ARRAY_SIZE(cmd) * sizeof(u16));
+}
+
+static int l4f00242t03_lcd_power_set(struct lcd_device *ld, int power)
+{
+	struct l4f00242t03_priv *priv = lcd_get_data(ld);
+	struct spi_device *spi = priv->spi;
+
+	const u16 slpout = 0x11;
+	const u16 dison = 0x29;
+
+	const u16 slpin = 0x10;
+	const u16 disoff = 0x28;
+
+	if (power) {
+		if (priv->lcd_on)
+			return 0;
+
+		dev_dbg(&spi->dev, "turning on LCD\n");
+
+		spi_write(spi, (const u8 *)&slpout, sizeof(u16));
+		msleep(60);
+		spi_write(spi, (const u8 *)&dison, sizeof(u16));
+
+		priv->lcd_on = 1;
+	} else {
+		if (!priv->lcd_on)
+			return 0;
+
+		dev_dbg(&spi->dev, "turning off LCD\n");
+
+		spi_write(spi, (const u8 *)&disoff, sizeof(u16));
+		msleep(60);
+		spi_write(spi, (const u8 *)&slpin, sizeof(u16));
+
+		priv->lcd_on = 0;
+	}
+
+	return 0;
+}
+
+static struct lcd_ops l4f_ops = {
+	.set_power	= l4f00242t03_lcd_power_set,
+	.get_power	= NULL,
+};
+
+static int __devinit l4f00242t03_probe(struct spi_device *spi)
+{
+	struct l4f00242t03_priv *priv;
+	struct l4f00242t03_pdata *pdata = spi->dev.platform_data;
+	int ret;
+
+	if (pdata == NULL) {
+		dev_err(&spi->dev, "Uninitialized platform data.\n");
+		return -EINVAL;
+	}
+
+	priv = kzalloc(sizeof(struct l4f00242t03_priv), GFP_KERNEL);
+
+	if (priv == NULL) {
+		dev_err(&spi->dev, "No memory for this device.\n");
+		ret = -ENOMEM;
+		goto err;
+	}
+
+	dev_set_drvdata(&spi->dev, priv);
+	spi->bits_per_word = 9;
+	spi_setup(spi);
+
+	priv->spi = spi;
+
+	ret = gpio_request(pdata->reset_gpio, "lcd l4f00242t03 reset");
+	if (ret) {
+		dev_err(&spi->dev,
+			"Unable to get the lcd l4f00242t03 reset gpio.\n");
+		return ret;
+	}
+
+	ret = gpio_direction_output(pdata->reset_gpio, 1);
+	if (ret)
+		goto err2;
+
+	ret = gpio_request(pdata->data_enable_gpio,
+				"lcd l4f00242t03 data enable");
+	if (ret) {
+		dev_err(&spi->dev,
+			"Unable to get the lcd l4f00242t03 data en gpio.\n");
+		return ret;
+	}
+
+	ret = gpio_direction_output(pdata->data_enable_gpio, 0);
+	if (ret)
+		goto err3;
+
+	if (pdata->io_supply) {
+		priv->io_reg = regulator_get(NULL, pdata->io_supply);
+
+		if (IS_ERR(priv->io_reg)) {
+			pr_err("%s: Unable to get the IO regulator\n",
+								__func__);
+			goto err3;
+		}
+	}
+
+	if (pdata->core_supply) {
+		priv->core_reg = regulator_get(NULL, pdata->core_supply);
+
+		if (IS_ERR(priv->core_reg)) {
+			pr_err("%s: Unable to get the core regulator\n",
+								__func__);
+			goto err4;
+		}
+	}
+
+	priv->ld = lcd_device_register("l4f00242t03",
+					&spi->dev, priv, &l4f_ops);
+	if (IS_ERR(priv->ld)) {
+		ret = PTR_ERR(priv->ld);
+		goto err5;
+	}
+
+	/* Init the LCD */
+	l4f00242t03_reset(pdata->reset_gpio);
+	l4f00242t03_lcd_init(spi);
+	l4f00242t03_lcd_power_set(priv->ld, 1);
+
+	dev_info(&spi->dev, "Epson l4f00242t03 lcd probed.\n");
+
+	return 0;
+
+err5:
+	if (priv->core_reg)
+		regulator_put(priv->core_reg);
+err4:
+	if (priv->io_reg)
+		regulator_put(priv->io_reg);
+err3:
+	gpio_free(pdata->data_enable_gpio);
+err2:
+	gpio_free(pdata->reset_gpio);
+err:
+	kfree(priv);
+
+	return ret;
+}
+
+static int __devexit l4f00242t03_remove(struct spi_device *spi)
+{
+	struct l4f00242t03_priv *priv = dev_get_drvdata(&spi->dev);
+	struct l4f00242t03_pdata *pdata = priv->spi->dev.platform_data;
+
+	l4f00242t03_lcd_power_set(priv->ld, 0);
+	lcd_device_unregister(priv->ld);
+
+	gpio_free(pdata->data_enable_gpio);
+	gpio_free(pdata->reset_gpio);
+
+	if (priv->io_reg)
+		regulator_put(priv->core_reg);
+	if (priv->core_reg)
+		regulator_put(priv->io_reg);
+
+	kfree(priv);
+
+	return 0;
+}
+
+static struct spi_driver l4f00242t03_driver = {
+	.driver = {
+		.name	= "l4f00242t03",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= l4f00242t03_probe,
+	.remove		= __devexit_p(l4f00242t03_remove),
+};
+
+static __init int l4f00242t03_init(void)
+{
+	return spi_register_driver(&l4f00242t03_driver);
+}
+
+static __exit void l4f00242t03_exit(void)
+{
+	spi_unregister_driver(&l4f00242t03_driver);
+}
+
+module_init(l4f00242t03_init);
+module_exit(l4f00242t03_exit);
+
+MODULE_AUTHOR("Alberto Panizzo <maramaopercheseimorto@gmail.com>");
+MODULE_DESCRIPTION("EPSON L4F00242T03 LCD");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c
index 00a9591b0003..7571bc26071e 100644
--- a/drivers/video/backlight/locomolcd.c
+++ b/drivers/video/backlight/locomolcd.c
@@ -167,6 +167,7 @@ static int locomolcd_resume(struct locomo_dev *dev)
 
 static int locomolcd_probe(struct locomo_dev *ldev)
 {
+	struct backlight_properties props;
 	unsigned long flags;
 
 	local_irq_save(flags);
@@ -182,13 +183,16 @@ static int locomolcd_probe(struct locomo_dev *ldev)
 
 	local_irq_restore(flags);
 
-	locomolcd_bl_device = backlight_device_register("locomo-bl", &ldev->dev, NULL, &locomobl_data);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 4;
+	locomolcd_bl_device = backlight_device_register("locomo-bl",
+							&ldev->dev, NULL,
+							&locomobl_data, &props);
 
 	if (IS_ERR (locomolcd_bl_device))
 		return PTR_ERR (locomolcd_bl_device);
 
 	/* Set up frontlight so that screen is readable */
-	locomolcd_bl_device->props.max_brightness = 4,
 	locomolcd_bl_device->props.brightness = 2;
 	locomolcd_set_intensity(locomolcd_bl_device);
 
diff --git a/drivers/video/backlight/max8925_bl.c b/drivers/video/backlight/max8925_bl.c
new file mode 100644
index 000000000000..c91adaf492cf
--- /dev/null
+++ b/drivers/video/backlight/max8925_bl.c
@@ -0,0 +1,202 @@
+/*
+ * Backlight driver for Maxim MAX8925
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ *      Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+#include <linux/i2c.h>
+#include <linux/backlight.h>
+#include <linux/mfd/max8925.h>
+
+#define MAX_BRIGHTNESS		(0xff)
+#define MIN_BRIGHTNESS		(0)
+
+#define LWX_FREQ(x)		(((x - 601) / 100) & 0x7)
+
+struct max8925_backlight_data {
+	struct max8925_chip	*chip;
+
+	int		current_brightness;
+};
+
+static int max8925_backlight_set(struct backlight_device *bl, int brightness)
+{
+	struct max8925_backlight_data *data = bl_get_data(bl);
+	struct max8925_chip *chip = data->chip;
+	unsigned char value;
+	int ret;
+
+	if (brightness > MAX_BRIGHTNESS)
+		value = MAX_BRIGHTNESS;
+	else
+		value = brightness;
+
+	ret = max8925_reg_write(chip->i2c, MAX8925_WLED_CNTL, value);
+	if (ret < 0)
+		goto out;
+
+	if (!data->current_brightness && brightness)
+		/* enable WLED output */
+		ret = max8925_set_bits(chip->i2c, MAX8925_WLED_MODE_CNTL, 1, 1);
+	else if (!brightness)
+		/* disable WLED output */
+		ret = max8925_set_bits(chip->i2c, MAX8925_WLED_MODE_CNTL, 1, 0);
+	if (ret < 0)
+		goto out;
+	dev_dbg(chip->dev, "set brightness %d\n", value);
+	data->current_brightness = value;
+	return 0;
+out:
+	dev_dbg(chip->dev, "set brightness %d failure with return value:%d\n",
+		value, ret);
+	return ret;
+}
+
+static int max8925_backlight_update_status(struct backlight_device *bl)
+{
+	int brightness = bl->props.brightness;
+
+	if (bl->props.power != FB_BLANK_UNBLANK)
+		brightness = 0;
+
+	if (bl->props.fb_blank != FB_BLANK_UNBLANK)
+		brightness = 0;
+
+	if (bl->props.state & BL_CORE_SUSPENDED)
+		brightness = 0;
+
+	return max8925_backlight_set(bl, brightness);
+}
+
+static int max8925_backlight_get_brightness(struct backlight_device *bl)
+{
+	struct max8925_backlight_data *data = bl_get_data(bl);
+	struct max8925_chip *chip = data->chip;
+	int ret;
+
+	ret = max8925_reg_read(chip->i2c, MAX8925_WLED_CNTL);
+	if (ret < 0)
+		return -EINVAL;
+	data->current_brightness = ret;
+	dev_dbg(chip->dev, "get brightness %d\n", data->current_brightness);
+	return ret;
+}
+
+static struct backlight_ops max8925_backlight_ops = {
+	.options	= BL_CORE_SUSPENDRESUME,
+	.update_status	= max8925_backlight_update_status,
+	.get_brightness	= max8925_backlight_get_brightness,
+};
+
+static int __devinit max8925_backlight_probe(struct platform_device *pdev)
+{
+	struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent);
+	struct max8925_platform_data *max8925_pdata;
+	struct max8925_backlight_pdata *pdata = NULL;
+	struct max8925_backlight_data *data;
+	struct backlight_device *bl;
+	struct backlight_properties props;
+	struct resource *res;
+	char name[MAX8925_NAME_SIZE];
+	unsigned char value;
+	int ret;
+
+	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
+	if (res == NULL) {
+		dev_err(&pdev->dev, "No I/O resource!\n");
+		return -EINVAL;
+	}
+
+	if (pdev->dev.parent->platform_data) {
+		max8925_pdata = pdev->dev.parent->platform_data;
+		pdata = max8925_pdata->backlight;
+	}
+
+	if (!pdata) {
+		dev_err(&pdev->dev, "platform data isn't assigned to "
+			"backlight\n");
+		return -EINVAL;
+	}
+
+	data = kzalloc(sizeof(struct max8925_backlight_data), GFP_KERNEL);
+	if (data == NULL)
+		return -ENOMEM;
+	strncpy(name, res->name, MAX8925_NAME_SIZE);
+	data->chip = chip;
+	data->current_brightness = 0;
+
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = MAX_BRIGHTNESS;
+	bl = backlight_device_register(name, &pdev->dev, data,
+					&max8925_backlight_ops, &props);
+	if (IS_ERR(bl)) {
+		dev_err(&pdev->dev, "failed to register backlight\n");
+		kfree(data);
+		return PTR_ERR(bl);
+	}
+	bl->props.brightness = MAX_BRIGHTNESS;
+
+	platform_set_drvdata(pdev, bl);
+
+	value = 0;
+	if (pdata->lxw_scl)
+		value |= (1 << 7);
+	if (pdata->lxw_freq)
+		value |= (LWX_FREQ(pdata->lxw_freq) << 4);
+	if (pdata->dual_string)
+		value |= (1 << 1);
+	ret = max8925_set_bits(chip->i2c, MAX8925_WLED_MODE_CNTL, 0xfe, value);
+	if (ret < 0)
+		goto out;
+
+	backlight_update_status(bl);
+	return 0;
+out:
+	kfree(data);
+	return ret;
+}
+
+static int __devexit max8925_backlight_remove(struct platform_device *pdev)
+{
+	struct backlight_device *bl = platform_get_drvdata(pdev);
+	struct max8925_backlight_data *data = bl_get_data(bl);
+
+	backlight_device_unregister(bl);
+	kfree(data);
+	return 0;
+}
+
+static struct platform_driver max8925_backlight_driver = {
+	.driver		= {
+		.name	= "max8925-backlight",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= max8925_backlight_probe,
+	.remove		= __devexit_p(max8925_backlight_remove),
+};
+
+static int __init max8925_backlight_init(void)
+{
+	return platform_driver_register(&max8925_backlight_driver);
+}
+module_init(max8925_backlight_init);
+
+static void __exit max8925_backlight_exit(void)
+{
+	platform_driver_unregister(&max8925_backlight_driver);
+};
+module_exit(max8925_backlight_exit);
+
+MODULE_DESCRIPTION("Backlight Driver for Maxim MAX8925");
+MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:max8925-backlight");
diff --git a/drivers/video/backlight/mbp_nvidia_bl.c b/drivers/video/backlight/mbp_nvidia_bl.c
index 2e78b0784bdc..1b5d3fe6bbbc 100644
--- a/drivers/video/backlight/mbp_nvidia_bl.c
+++ b/drivers/video/backlight/mbp_nvidia_bl.c
@@ -139,6 +139,51 @@ static int mbp_dmi_match(const struct dmi_system_id *id)
 static const struct dmi_system_id __initdata mbp_device_table[] = {
 	{
 		.callback	= mbp_dmi_match,
+		.ident		= "MacBook 1,1",
+		.matches	= {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MacBook1,1"),
+		},
+		.driver_data	= (void *)&intel_chipset_data,
+	},
+	{
+		.callback	= mbp_dmi_match,
+		.ident		= "MacBook 2,1",
+		.matches	= {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MacBook2,1"),
+		},
+		.driver_data	= (void *)&intel_chipset_data,
+	},
+	{
+		.callback	= mbp_dmi_match,
+		.ident		= "MacBook 3,1",
+		.matches	= {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MacBook3,1"),
+		},
+		.driver_data	= (void *)&intel_chipset_data,
+	},
+	{
+		.callback	= mbp_dmi_match,
+		.ident		= "MacBook 4,1",
+		.matches	= {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MacBook4,1"),
+		},
+		.driver_data	= (void *)&intel_chipset_data,
+	},
+	{
+		.callback	= mbp_dmi_match,
+		.ident		= "MacBook 4,2",
+		.matches	= {
+			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MacBook4,2"),
+		},
+		.driver_data	= (void *)&intel_chipset_data,
+	},
+	{
+		.callback	= mbp_dmi_match,
 		.ident		= "MacBookPro 3,1",
 		.matches	= {
 			DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."),
@@ -250,6 +295,7 @@ static const struct dmi_system_id __initdata mbp_device_table[] = {
 
 static int __init mbp_init(void)
 {
+	struct backlight_properties props;
 	if (!dmi_check_system(mbp_device_table))
 		return -ENODEV;
 
@@ -257,14 +303,17 @@ static int __init mbp_init(void)
 						"Macbook Pro backlight"))
 		return -ENXIO;
 
-	mbp_backlight_device = backlight_device_register("mbp_backlight",
-					NULL, NULL, &driver_data->backlight_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 15;
+	mbp_backlight_device = backlight_device_register("mbp_backlight", NULL,
+							 NULL,
+							 &driver_data->backlight_ops,
+							 &props);
 	if (IS_ERR(mbp_backlight_device)) {
 		release_region(driver_data->iostart, driver_data->iolen);
 		return PTR_ERR(mbp_backlight_device);
 	}
 
-	mbp_backlight_device->props.max_brightness = 15;
 	mbp_backlight_device->props.brightness =
 		driver_data->backlight_ops.get_brightness(mbp_backlight_device);
 	backlight_update_status(mbp_backlight_device);
diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c
index a3a7f8938175..333d28e6b062 100644
--- a/drivers/video/backlight/omap1_bl.c
+++ b/drivers/video/backlight/omap1_bl.c
@@ -132,6 +132,7 @@ static const struct backlight_ops omapbl_ops = {
 
 static int omapbl_probe(struct platform_device *pdev)
 {
+	struct backlight_properties props;
 	struct backlight_device *dev;
 	struct omap_backlight *bl;
 	struct omap_backlight_config *pdata = pdev->dev.platform_data;
@@ -143,7 +144,10 @@ static int omapbl_probe(struct platform_device *pdev)
 	if (unlikely(!bl))
 		return -ENOMEM;
 
-	dev = backlight_device_register("omap-bl", &pdev->dev, bl, &omapbl_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = OMAPBL_MAX_INTENSITY;
+	dev = backlight_device_register("omap-bl", &pdev->dev, bl, &omapbl_ops,
+					&props);
 	if (IS_ERR(dev)) {
 		kfree(bl);
 		return PTR_ERR(dev);
@@ -160,7 +164,6 @@ static int omapbl_probe(struct platform_device *pdev)
 	omap_cfg_reg(PWL);	/* Conflicts with UART3 */
 
 	dev->props.fb_blank = FB_BLANK_UNBLANK;
-	dev->props.max_brightness = OMAPBL_MAX_INTENSITY;
 	dev->props.brightness = pdata->default_intensity;
 	omapbl_update_status(dev);
 
diff --git a/drivers/video/backlight/progear_bl.c b/drivers/video/backlight/progear_bl.c
index 075786e05034..809278c90738 100644
--- a/drivers/video/backlight/progear_bl.c
+++ b/drivers/video/backlight/progear_bl.c
@@ -61,8 +61,10 @@ static const struct backlight_ops progearbl_ops = {
 
 static int progearbl_probe(struct platform_device *pdev)
 {
+	struct backlight_properties props;
 	u8 temp;
 	struct backlight_device *progear_backlight_device;
+	int ret;
 
 	pmu_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101, NULL);
 	if (!pmu_dev) {
@@ -73,28 +75,37 @@ static int progearbl_probe(struct platform_device *pdev)
 	sb_dev = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);
 	if (!sb_dev) {
 		printk("ALI 1533 SB not found.\n");
-		pci_dev_put(pmu_dev);
-		return -ENODEV;
+		ret = -ENODEV;
+		goto put_pmu;
 	}
 
 	/*     Set SB_MPS1 to enable brightness control. */
 	pci_read_config_byte(sb_dev, SB_MPS1, &temp);
 	pci_write_config_byte(sb_dev, SB_MPS1, temp | 0x20);
 
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN;
 	progear_backlight_device = backlight_device_register("progear-bl",
 							     &pdev->dev, NULL,
-							     &progearbl_ops);
-	if (IS_ERR(progear_backlight_device))
-		return PTR_ERR(progear_backlight_device);
+							     &progearbl_ops,
+							     &props);
+	if (IS_ERR(progear_backlight_device)) {
+		ret = PTR_ERR(progear_backlight_device);
+		goto put_sb;
+	}
 
 	platform_set_drvdata(pdev, progear_backlight_device);
 
 	progear_backlight_device->props.power = FB_BLANK_UNBLANK;
 	progear_backlight_device->props.brightness = HW_LEVEL_MAX - HW_LEVEL_MIN;
-	progear_backlight_device->props.max_brightness = HW_LEVEL_MAX - HW_LEVEL_MIN;
 	progearbl_set_intensity(progear_backlight_device);
 
 	return 0;
+put_sb:
+	pci_dev_put(sb_dev);
+put_pmu:
+	pci_dev_put(pmu_dev);
+	return ret;
 }
 
 static int progearbl_remove(struct platform_device *pdev)
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index 9d2ec2a1cce8..b89eebc3f77d 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -65,6 +65,7 @@ static const struct backlight_ops pwm_backlight_ops = {
 
 static int pwm_backlight_probe(struct platform_device *pdev)
 {
+	struct backlight_properties props;
 	struct platform_pwm_backlight_data *data = pdev->dev.platform_data;
 	struct backlight_device *bl;
 	struct pwm_bl_data *pb;
@@ -100,15 +101,16 @@ static int pwm_backlight_probe(struct platform_device *pdev)
 	} else
 		dev_dbg(&pdev->dev, "got pwm for backlight\n");
 
-	bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev,
-			pb, &pwm_backlight_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = data->max_brightness;
+	bl = backlight_device_register(dev_name(&pdev->dev), &pdev->dev, pb,
+				       &pwm_backlight_ops, &props);
 	if (IS_ERR(bl)) {
 		dev_err(&pdev->dev, "failed to register backlight\n");
 		ret = PTR_ERR(bl);
 		goto err_bl;
 	}
 
-	bl->props.max_brightness = data->max_brightness;
 	bl->props.brightness = data->dft_brightness;
 	backlight_update_status(bl);
 
diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c
index e14ce4d469f5..f57bbf170049 100644
--- a/drivers/video/backlight/tosa_bl.c
+++ b/drivers/video/backlight/tosa_bl.c
@@ -80,6 +80,7 @@ static const struct backlight_ops bl_ops = {
 static int __devinit tosa_bl_probe(struct i2c_client *client,
 		const struct i2c_device_id *id)
 {
+	struct backlight_properties props;
 	struct tosa_bl_data *data = kzalloc(sizeof(struct tosa_bl_data), GFP_KERNEL);
 	int ret = 0;
 	if (!data)
@@ -99,15 +100,16 @@ static int __devinit tosa_bl_probe(struct i2c_client *client,
 	i2c_set_clientdata(client, data);
 	data->i2c = client;
 
-	data->bl = backlight_device_register("tosa-bl", &client->dev,
-			data, &bl_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 512 - 1;
+	data->bl = backlight_device_register("tosa-bl", &client->dev, data,
+					     &bl_ops, &props);
 	if (IS_ERR(data->bl)) {
 		ret = PTR_ERR(data->bl);
 		goto err_reg;
 	}
 
 	data->bl->props.brightness = 69;
-	data->bl->props.max_brightness = 512 - 1;
 	data->bl->props.power = FB_BLANK_UNBLANK;
 
 	backlight_update_status(data->bl);
diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c
index e32add37a203..a4312709fb1b 100644
--- a/drivers/video/backlight/wm831x_bl.c
+++ b/drivers/video/backlight/wm831x_bl.c
@@ -125,6 +125,7 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
 	struct wm831x_backlight_pdata *pdata;
 	struct wm831x_backlight_data *data;
 	struct backlight_device *bl;
+	struct backlight_properties props;
 	int ret, i, max_isel, isink_reg, dcdc_cfg;
 
 	/* We need platform data */
@@ -191,15 +192,15 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
 	data->current_brightness = 0;
 	data->isink_reg = isink_reg;
 
-	bl = backlight_device_register("wm831x", &pdev->dev,
-			data, &wm831x_backlight_ops);
+	props.max_brightness = max_isel;
+	bl = backlight_device_register("wm831x", &pdev->dev, data,
+				       &wm831x_backlight_ops, &props);
 	if (IS_ERR(bl)) {
 		dev_err(&pdev->dev, "failed to register backlight\n");
 		kfree(data);
 		return PTR_ERR(bl);
 	}
 
-	bl->props.max_brightness = max_isel;
 	bl->props.brightness = max_isel;
 
 	platform_set_drvdata(pdev, bl);
diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c
index e49ae5edcc00..23b2a8c0dbfc 100644
--- a/drivers/video/bf54x-lq043fb.c
+++ b/drivers/video/bf54x-lq043fb.c
@@ -82,7 +82,6 @@ struct bfin_bf54xfb_info {
 	unsigned char *fb_buffer;	/* RGB Buffer */
 
 	dma_addr_t dma_handle;
-	int lq043_mmap;
 	int lq043_open_cnt;
 	int irq;
 	spinlock_t lock;	/* lock */
@@ -316,7 +315,6 @@ static int bfin_bf54x_fb_release(struct fb_info *info, int user)
 	spin_lock(&fbi->lock);
 
 	fbi->lq043_open_cnt--;
-	fbi->lq043_mmap = 0;
 
 	if (fbi->lq043_open_cnt <= 0) {
 
@@ -374,33 +372,6 @@ static int bfin_bf54x_fb_check_var(struct fb_var_screeninfo *var,
 	return 0;
 }
 
-static int bfin_bf54x_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
-{
-
-	struct bfin_bf54xfb_info *fbi = info->par;
-
-	if (fbi->lq043_mmap)
-		return -1;
-
-	spin_lock(&fbi->lock);
-	fbi->lq043_mmap = 1;
-	spin_unlock(&fbi->lock);
-
-	vma->vm_start = (unsigned long)(fbi->fb_buffer);
-
-	vma->vm_end = vma->vm_start + info->fix.smem_len;
-	/* For those who don't understand how mmap works, go read
-	 *   Documentation/nommu-mmap.txt.
-	 * For those that do, you will know that the VM_MAYSHARE flag
-	 * must be set in the vma->vm_flags structure on noMMU
-	 *   Other flags can be set, and are documented in
-	 *   include/linux/mm.h
-	 */
-	vma->vm_flags |=  VM_MAYSHARE | VM_SHARED;
-
-	return 0;
-}
-
 int bfin_bf54x_fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 {
 	if (nocursor)
@@ -452,7 +423,6 @@ static struct fb_ops bfin_bf54x_fb_ops = {
 	.fb_fillrect = cfb_fillrect,
 	.fb_copyarea = cfb_copyarea,
 	.fb_imageblit = cfb_imageblit,
-	.fb_mmap = bfin_bf54x_fb_mmap,
 	.fb_cursor = bfin_bf54x_fb_cursor,
 	.fb_setcolreg = bfin_bf54x_fb_setcolreg,
 };
@@ -463,7 +433,7 @@ static int bl_get_brightness(struct backlight_device *bd)
 	return 0;
 }
 
-static struct backlight_ops bfin_lq043fb_bl_ops = {
+static const struct backlight_ops bfin_lq043fb_bl_ops = {
 	.get_brightness = bl_get_brightness,
 };
 
@@ -531,6 +501,7 @@ static irqreturn_t bfin_bf54x_irq_error(int irq, void *dev_id)
 
 static int __devinit bfin_bf54x_probe(struct platform_device *pdev)
 {
+	struct backlight_properties props;
 	struct bfin_bf54xfb_info *info;
 	struct fb_info *fbinfo;
 	int ret;
@@ -675,10 +646,16 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev)
 		goto out8;
 	}
 #ifndef NO_BL_SUPPORT
-	bl_dev =
-	    backlight_device_register("bf54x-bl", NULL, NULL,
-				      &bfin_lq043fb_bl_ops);
-	bl_dev->props.max_brightness = 255;
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 255;
+	bl_dev = backlight_device_register("bf54x-bl", NULL, NULL,
+					   &bfin_lq043fb_bl_ops, &props);
+	if (IS_ERR(bl_dev)) {
+		printk(KERN_ERR DRIVER_NAME
+			": unable to register backlight.\n");
+		ret = -EINVAL;
+		goto out9;
+	}
 
 	lcd_dev = lcd_device_register(DRIVER_NAME, &pdev->dev, NULL, &bfin_lcd_ops);
 	lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n");
@@ -686,6 +663,8 @@ static int __devinit bfin_bf54x_probe(struct platform_device *pdev)
 
 	return 0;
 
+out9:
+	unregister_framebuffer(fbinfo);
 out8:
 	free_irq(info->irq, info);
 out7:
diff --git a/drivers/video/bfin-lq035q1-fb.c b/drivers/video/bfin-lq035q1-fb.c
index b690c269784a..03872365a36d 100644
--- a/drivers/video/bfin-lq035q1-fb.c
+++ b/drivers/video/bfin-lq035q1-fb.c
@@ -22,7 +22,6 @@
 #include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
 #include <linux/spi/spi.h>
-#include <linux/dma-mapping.h>
 
 #include <asm/blackfin.h>
 #include <asm/irq.h>
diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c
index 2549c53b26a0..31a2dec927bb 100644
--- a/drivers/video/bfin-t350mcqb-fb.c
+++ b/drivers/video/bfin-t350mcqb-fb.c
@@ -87,7 +87,6 @@ struct bfin_t350mcqbfb_info {
 	struct device *dev;
 	unsigned char *fb_buffer;	/* RGB Buffer */
 	dma_addr_t dma_handle;
-	int lq043_mmap;
 	int lq043_open_cnt;
 	int irq;
 	spinlock_t lock;	/* lock */
@@ -235,7 +234,6 @@ static int bfin_t350mcqb_fb_release(struct fb_info *info, int user)
 	spin_lock(&fbi->lock);
 
 	fbi->lq043_open_cnt--;
-	fbi->lq043_mmap = 0;
 
 	if (fbi->lq043_open_cnt <= 0) {
 		bfin_t350mcqb_disable_ppi();
@@ -293,32 +291,6 @@ static int bfin_t350mcqb_fb_check_var(struct fb_var_screeninfo *var,
 	return 0;
 }
 
-static int bfin_t350mcqb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
-{
-	struct bfin_t350mcqbfb_info *fbi = info->par;
-
-	if (fbi->lq043_mmap)
-		return -1;
-
-	spin_lock(&fbi->lock);
-	fbi->lq043_mmap = 1;
-	spin_unlock(&fbi->lock);
-
-	vma->vm_start = (unsigned long)(fbi->fb_buffer + ACTIVE_VIDEO_MEM_OFFSET);
-
-	vma->vm_end = vma->vm_start + info->fix.smem_len;
-	/* For those who don't understand how mmap works, go read
-	 *   Documentation/nommu-mmap.txt.
-	 * For those that do, you will know that the VM_MAYSHARE flag
-	 * must be set in the vma->vm_flags structure on noMMU
-	 *   Other flags can be set, and are documented in
-	 *   include/linux/mm.h
-	 */
-	vma->vm_flags |= VM_MAYSHARE | VM_SHARED;
-
-	return 0;
-}
-
 int bfin_t350mcqb_fb_cursor(struct fb_info *info, struct fb_cursor *cursor)
 {
 	if (nocursor)
@@ -370,7 +342,6 @@ static struct fb_ops bfin_t350mcqb_fb_ops = {
 	.fb_fillrect = cfb_fillrect,
 	.fb_copyarea = cfb_copyarea,
 	.fb_imageblit = cfb_imageblit,
-	.fb_mmap = bfin_t350mcqb_fb_mmap,
 	.fb_cursor = bfin_t350mcqb_fb_cursor,
 	.fb_setcolreg = bfin_t350mcqb_fb_setcolreg,
 };
@@ -381,7 +352,7 @@ static int bl_get_brightness(struct backlight_device *bd)
 	return 0;
 }
 
-static struct backlight_ops bfin_lq043fb_bl_ops = {
+static const struct backlight_ops bfin_lq043fb_bl_ops = {
 	.get_brightness = bl_get_brightness,
 };
 
@@ -448,6 +419,7 @@ static irqreturn_t bfin_t350mcqb_irq_error(int irq, void *dev_id)
 
 static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
 {
+	struct backlight_properties props;
 	struct bfin_t350mcqbfb_info *info;
 	struct fb_info *fbinfo;
 	int ret;
@@ -569,10 +541,16 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
 		goto out8;
 	}
 #ifndef NO_BL_SUPPORT
-	bl_dev =
-	    backlight_device_register("bf52x-bl", NULL, NULL,
-				      &bfin_lq043fb_bl_ops);
-	bl_dev->props.max_brightness = 255;
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = 255;
+	bl_dev = backlight_device_register("bf52x-bl", NULL, NULL,
+					   &bfin_lq043fb_bl_ops, &props);
+	if (IS_ERR(bl_dev)) {
+		printk(KERN_ERR DRIVER_NAME
+			": unable to register backlight.\n");
+		ret = -EINVAL;
+		goto out9;
+	}
 
 	lcd_dev = lcd_device_register(DRIVER_NAME, NULL, &bfin_lcd_ops);
 	lcd_dev->props.max_contrast = 255, printk(KERN_INFO "Done.\n");
@@ -580,6 +558,8 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
 
 	return 0;
 
+out9:
+	unregister_framebuffer(fbinfo);
 out8:
 	free_irq(info->irq, info);
 out7:
diff --git a/drivers/video/broadsheetfb.c b/drivers/video/broadsheetfb.c
index df9ccb901d86..ebda6876d3a9 100644
--- a/drivers/video/broadsheetfb.c
+++ b/drivers/video/broadsheetfb.c
@@ -29,11 +29,65 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/list.h>
+#include <linux/firmware.h>
 #include <linux/uaccess.h>
 
 #include <video/broadsheetfb.h>
 
-/* Display specific information */
+/* track panel specific parameters */
+struct panel_info {
+	int w;
+	int h;
+	u16 sdcfg;
+	u16 gdcfg;
+	u16 lutfmt;
+	u16 fsynclen;
+	u16 fendfbegin;
+	u16 lsynclen;
+	u16 lendlbegin;
+	u16 pixclk;
+};
+
+/* table of panel specific parameters to be indexed into by the board drivers */
+static struct panel_info panel_table[] = {
+	{	/* standard 6" on TFT backplane */
+		.w = 800,
+		.h = 600,
+		.sdcfg = (100 | (1 << 8) | (1 << 9)),
+		.gdcfg = 2,
+		.lutfmt = (4 | (1 << 7)),
+		.fsynclen = 4,
+		.fendfbegin = (10 << 8) | 4,
+		.lsynclen = 10,
+		.lendlbegin = (100 << 8) | 4,
+		.pixclk = 6,
+	},
+	{	/* custom 3.7" flexible on PET or steel */
+		.w = 320,
+		.h = 240,
+		.sdcfg = (67 | (0 << 8) | (0 << 9) | (0 << 10) | (0 << 12)),
+		.gdcfg = 3,
+		.lutfmt = (4 | (1 << 7)),
+		.fsynclen = 0,
+		.fendfbegin = (80 << 8) | 4,
+		.lsynclen = 10,
+		.lendlbegin = (80 << 8) | 20,
+		.pixclk = 14,
+	},
+	{	/* standard 9.7" on TFT backplane */
+		.w = 1200,
+		.h = 825,
+		.sdcfg = (100 | (1 << 8) | (1 << 9) | (0 << 10) | (0 << 12)),
+		.gdcfg = 2,
+		.lutfmt = (4 | (1 << 7)),
+		.fsynclen = 0,
+		.fendfbegin = (4 << 8) | 4,
+		.lsynclen = 4,
+		.lendlbegin = (60 << 8) | 10,
+		.pixclk = 3,
+	},
+};
+
 #define DPY_W 800
 #define DPY_H 600
 
@@ -62,30 +116,30 @@ static struct fb_var_screeninfo broadsheetfb_var __devinitdata = {
 };
 
 /* main broadsheetfb functions */
-static void broadsheet_issue_data(struct broadsheetfb_par *par, u16 data)
+static void broadsheet_gpio_issue_data(struct broadsheetfb_par *par, u16 data)
 {
 	par->board->set_ctl(par, BS_WR, 0);
 	par->board->set_hdb(par, data);
 	par->board->set_ctl(par, BS_WR, 1);
 }
 
-static void broadsheet_issue_cmd(struct broadsheetfb_par *par, u16 data)
+static void broadsheet_gpio_issue_cmd(struct broadsheetfb_par *par, u16 data)
 {
 	par->board->set_ctl(par, BS_DC, 0);
-	broadsheet_issue_data(par, data);
+	broadsheet_gpio_issue_data(par, data);
 }
 
-static void broadsheet_send_command(struct broadsheetfb_par *par, u16 data)
+static void broadsheet_gpio_send_command(struct broadsheetfb_par *par, u16 data)
 {
 	par->board->wait_for_rdy(par);
 
 	par->board->set_ctl(par, BS_CS, 0);
-	broadsheet_issue_cmd(par, data);
+	broadsheet_gpio_issue_cmd(par, data);
 	par->board->set_ctl(par, BS_DC, 1);
 	par->board->set_ctl(par, BS_CS, 1);
 }
 
-static void broadsheet_send_cmdargs(struct broadsheetfb_par *par, u16 cmd,
+static void broadsheet_gpio_send_cmdargs(struct broadsheetfb_par *par, u16 cmd,
 					int argc, u16 *argv)
 {
 	int i;
@@ -93,15 +147,43 @@ static void broadsheet_send_cmdargs(struct broadsheetfb_par *par, u16 cmd,
 	par->board->wait_for_rdy(par);
 
 	par->board->set_ctl(par, BS_CS, 0);
-	broadsheet_issue_cmd(par, cmd);
+	broadsheet_gpio_issue_cmd(par, cmd);
 	par->board->set_ctl(par, BS_DC, 1);
 
 	for (i = 0; i < argc; i++)
-		broadsheet_issue_data(par, argv[i]);
+		broadsheet_gpio_issue_data(par, argv[i]);
 	par->board->set_ctl(par, BS_CS, 1);
 }
 
-static void broadsheet_burst_write(struct broadsheetfb_par *par, int size,
+static void broadsheet_mmio_send_cmdargs(struct broadsheetfb_par *par, u16 cmd,
+				    int argc, u16 *argv)
+{
+	int i;
+
+	par->board->mmio_write(par, BS_MMIO_CMD, cmd);
+
+	for (i = 0; i < argc; i++)
+		par->board->mmio_write(par, BS_MMIO_DATA, argv[i]);
+}
+
+static void broadsheet_send_command(struct broadsheetfb_par *par, u16 data)
+{
+	if (par->board->mmio_write)
+		par->board->mmio_write(par, BS_MMIO_CMD, data);
+	else
+		broadsheet_gpio_send_command(par, data);
+}
+
+static void broadsheet_send_cmdargs(struct broadsheetfb_par *par, u16 cmd,
+				    int argc, u16 *argv)
+{
+	if (par->board->mmio_write)
+		broadsheet_mmio_send_cmdargs(par, cmd, argc, argv);
+	else
+		broadsheet_gpio_send_cmdargs(par, cmd, argc, argv);
+}
+
+static void broadsheet_gpio_burst_write(struct broadsheetfb_par *par, int size,
 					u16 *data)
 {
 	int i;
@@ -121,7 +203,30 @@ static void broadsheet_burst_write(struct broadsheetfb_par *par, int size,
 	par->board->set_ctl(par, BS_CS, 1);
 }
 
-static u16 broadsheet_get_data(struct broadsheetfb_par *par)
+static void broadsheet_mmio_burst_write(struct broadsheetfb_par *par, int size,
+				   u16 *data)
+{
+	int i;
+	u16 tmp;
+
+	for (i = 0; i < size; i++) {
+		tmp = (data[i] & 0x0F) << 4;
+		tmp |= (data[i] & 0x0F00) << 4;
+		par->board->mmio_write(par, BS_MMIO_DATA, tmp);
+	}
+
+}
+
+static void broadsheet_burst_write(struct broadsheetfb_par *par, int size,
+				   u16 *data)
+{
+	if (par->board->mmio_write)
+		broadsheet_mmio_burst_write(par, size, data);
+	else
+		broadsheet_gpio_burst_write(par, size, data);
+}
+
+static u16 broadsheet_gpio_get_data(struct broadsheetfb_par *par)
 {
 	u16 res;
 	/* wait for ready to go hi. (lo is busy) */
@@ -141,7 +246,16 @@ static u16 broadsheet_get_data(struct broadsheetfb_par *par)
 	return res;
 }
 
-static void broadsheet_write_reg(struct broadsheetfb_par *par, u16 reg,
+
+static u16 broadsheet_get_data(struct broadsheetfb_par *par)
+{
+	if (par->board->mmio_read)
+		return par->board->mmio_read(par);
+	else
+		return broadsheet_gpio_get_data(par);
+}
+
+static void broadsheet_gpio_write_reg(struct broadsheetfb_par *par, u16 reg,
 					u16 data)
 {
 	/* wait for ready to go hi. (lo is busy) */
@@ -150,44 +264,541 @@ static void broadsheet_write_reg(struct broadsheetfb_par *par, u16 reg,
 	/* cs lo, dc lo for cmd, we lo for each data, db as usual */
 	par->board->set_ctl(par, BS_CS, 0);
 
-	broadsheet_issue_cmd(par, BS_CMD_WR_REG);
+	broadsheet_gpio_issue_cmd(par, BS_CMD_WR_REG);
 
 	par->board->set_ctl(par, BS_DC, 1);
 
-	broadsheet_issue_data(par, reg);
-	broadsheet_issue_data(par, data);
+	broadsheet_gpio_issue_data(par, reg);
+	broadsheet_gpio_issue_data(par, data);
 
 	par->board->set_ctl(par, BS_CS, 1);
 }
 
+static void broadsheet_mmio_write_reg(struct broadsheetfb_par *par, u16 reg,
+				 u16 data)
+{
+	par->board->mmio_write(par, BS_MMIO_CMD, BS_CMD_WR_REG);
+	par->board->mmio_write(par, BS_MMIO_DATA, reg);
+	par->board->mmio_write(par, BS_MMIO_DATA, data);
+
+}
+
+static void broadsheet_write_reg(struct broadsheetfb_par *par, u16 reg,
+					u16 data)
+{
+	if (par->board->mmio_write)
+		broadsheet_mmio_write_reg(par, reg, data);
+	else
+		broadsheet_gpio_write_reg(par, reg, data);
+}
+
+static void broadsheet_write_reg32(struct broadsheetfb_par *par, u16 reg,
+					u32 data)
+{
+	broadsheet_write_reg(par, reg, cpu_to_le32(data) & 0xFFFF);
+	broadsheet_write_reg(par, reg + 2, (cpu_to_le32(data) >> 16) & 0xFFFF);
+}
+
+
 static u16 broadsheet_read_reg(struct broadsheetfb_par *par, u16 reg)
 {
-	broadsheet_send_command(par, reg);
-	msleep(100);
+	broadsheet_send_cmdargs(par, BS_CMD_RD_REG, 1, &reg);
+	par->board->wait_for_rdy(par);
 	return broadsheet_get_data(par);
 }
 
+/* functions for waveform manipulation */
+static int is_broadsheet_pll_locked(struct broadsheetfb_par *par)
+{
+	return broadsheet_read_reg(par, 0x000A) & 0x0001;
+}
+
+static int broadsheet_setup_plls(struct broadsheetfb_par *par)
+{
+	int retry_count = 0;
+	u16 tmp;
+
+	/* disable arral saemipu mode */
+	broadsheet_write_reg(par, 0x0006, 0x0000);
+
+	broadsheet_write_reg(par, 0x0010, 0x0004);
+	broadsheet_write_reg(par, 0x0012, 0x5949);
+	broadsheet_write_reg(par, 0x0014, 0x0040);
+	broadsheet_write_reg(par, 0x0016, 0x0000);
+
+	do {
+		if (retry_count++ > 100)
+			return -ETIMEDOUT;
+		mdelay(1);
+	} while (!is_broadsheet_pll_locked(par));
+
+	tmp = broadsheet_read_reg(par, 0x0006);
+	tmp &= ~0x1;
+	broadsheet_write_reg(par, 0x0006, tmp);
+
+	return 0;
+}
+
+static int broadsheet_setup_spi(struct broadsheetfb_par *par)
+{
+
+	broadsheet_write_reg(par, 0x0204, ((3 << 3) | 1));
+	broadsheet_write_reg(par, 0x0208, 0x0001);
+
+	return 0;
+}
+
+static int broadsheet_setup_spiflash(struct broadsheetfb_par *par,
+						u16 *orig_sfmcd)
+{
+
+	*orig_sfmcd = broadsheet_read_reg(par, 0x0204);
+	broadsheet_write_reg(par, 0x0208, 0);
+	broadsheet_write_reg(par, 0x0204, 0);
+	broadsheet_write_reg(par, 0x0204, ((3 << 3) | 1));
+
+	return 0;
+}
+
+static int broadsheet_spiflash_wait_for_bit(struct broadsheetfb_par *par,
+						u16 reg, int bitnum, int val,
+						int timeout)
+{
+	u16 tmp;
+
+	do {
+		tmp = broadsheet_read_reg(par, reg);
+		if (((tmp >> bitnum) & 1) == val)
+			return 0;
+		mdelay(1);
+	} while (timeout--);
+
+	return -ETIMEDOUT;
+}
+
+static int broadsheet_spiflash_write_byte(struct broadsheetfb_par *par, u8 data)
+{
+	broadsheet_write_reg(par, 0x0202, (data | 0x100));
+
+	return broadsheet_spiflash_wait_for_bit(par, 0x0206, 3, 0, 100);
+}
+
+static int broadsheet_spiflash_read_byte(struct broadsheetfb_par *par, u8 *data)
+{
+	int err;
+	u16 tmp;
+
+	broadsheet_write_reg(par, 0x0202, 0);
+
+	err = broadsheet_spiflash_wait_for_bit(par, 0x0206, 3, 0, 100);
+	if (err)
+		return err;
+
+	tmp = broadsheet_read_reg(par, 0x200);
+
+	*data = tmp & 0xFF;
+
+	return 0;
+}
+
+static int broadsheet_spiflash_wait_for_status(struct broadsheetfb_par *par,
+								int timeout)
+{
+	u8 tmp;
+	int err;
+
+	do {
+		broadsheet_write_reg(par, 0x0208, 1);
+
+		err = broadsheet_spiflash_write_byte(par, 0x05);
+		if (err)
+			goto failout;
+
+		err = broadsheet_spiflash_read_byte(par, &tmp);
+		if (err)
+			goto failout;
+
+		broadsheet_write_reg(par, 0x0208, 0);
+
+		if (!(tmp & 0x1))
+			return 0;
+
+		mdelay(5);
+	} while (timeout--);
+
+	dev_err(par->info->device, "Timed out waiting for spiflash status\n");
+	return -ETIMEDOUT;
+
+failout:
+	broadsheet_write_reg(par, 0x0208, 0);
+	return err;
+}
+
+static int broadsheet_spiflash_op_on_address(struct broadsheetfb_par *par,
+							u8 op, u32 addr)
+{
+	int i;
+	u8 tmp;
+	int err;
+
+	broadsheet_write_reg(par, 0x0208, 1);
+
+	err = broadsheet_spiflash_write_byte(par, op);
+	if (err)
+		return err;
+
+	for (i = 2; i >= 0; i--) {
+		tmp = ((addr >> (i * 8)) & 0xFF);
+		err = broadsheet_spiflash_write_byte(par, tmp);
+		if (err)
+			return err;
+	}
+
+	return err;
+}
+
+static int broadsheet_verify_spiflash(struct broadsheetfb_par *par,
+						int *flash_type)
+{
+	int err = 0;
+	u8 sig;
+
+	err = broadsheet_spiflash_op_on_address(par, 0xAB, 0x00000000);
+	if (err)
+		goto failout;
+
+	err = broadsheet_spiflash_read_byte(par, &sig);
+	if (err)
+		goto failout;
+
+	if ((sig != 0x10) && (sig != 0x11)) {
+		dev_err(par->info->device, "Unexpected flash type\n");
+		err = -EINVAL;
+		goto failout;
+	}
+
+	*flash_type = sig;
+
+failout:
+	broadsheet_write_reg(par, 0x0208, 0);
+	return err;
+}
+
+static int broadsheet_setup_for_wfm_write(struct broadsheetfb_par *par,
+					u16 *initial_sfmcd, int *flash_type)
+
+{
+	int err;
+
+	err = broadsheet_setup_plls(par);
+	if (err)
+		return err;
+
+	broadsheet_write_reg(par, 0x0106, 0x0203);
+
+	err = broadsheet_setup_spi(par);
+	if (err)
+		return err;
+
+	err = broadsheet_setup_spiflash(par, initial_sfmcd);
+	if (err)
+		return err;
+
+	return broadsheet_verify_spiflash(par, flash_type);
+}
+
+static int broadsheet_spiflash_write_control(struct broadsheetfb_par *par,
+						int mode)
+{
+	int err;
+
+	broadsheet_write_reg(par, 0x0208, 1);
+	if (mode)
+		err = broadsheet_spiflash_write_byte(par, 0x06);
+	else
+		err = broadsheet_spiflash_write_byte(par, 0x04);
+
+	broadsheet_write_reg(par, 0x0208, 0);
+	return err;
+}
+
+static int broadsheet_spiflash_erase_sector(struct broadsheetfb_par *par,
+						int addr)
+{
+	int err;
+
+	broadsheet_spiflash_write_control(par, 1);
+
+	err = broadsheet_spiflash_op_on_address(par, 0xD8, addr);
+
+	broadsheet_write_reg(par, 0x0208, 0);
+
+	if (err)
+		return err;
+
+	err = broadsheet_spiflash_wait_for_status(par, 1000);
+
+	return err;
+}
+
+static int broadsheet_spiflash_read_range(struct broadsheetfb_par *par,
+						int addr, int size, char *data)
+{
+	int err;
+	int i;
+
+	err = broadsheet_spiflash_op_on_address(par, 0x03, addr);
+	if (err)
+		goto failout;
+
+	for (i = 0; i < size; i++) {
+		err = broadsheet_spiflash_read_byte(par, &data[i]);
+		if (err)
+			goto failout;
+	}
+
+failout:
+	broadsheet_write_reg(par, 0x0208, 0);
+	return err;
+}
+
+#define BS_SPIFLASH_PAGE_SIZE 256
+static int broadsheet_spiflash_write_page(struct broadsheetfb_par *par,
+						int addr, const char *data)
+{
+	int err;
+	int i;
+
+	broadsheet_spiflash_write_control(par, 1);
+
+	err = broadsheet_spiflash_op_on_address(par, 0x02, addr);
+	if (err)
+		goto failout;
+
+	for (i = 0; i < BS_SPIFLASH_PAGE_SIZE; i++) {
+		err = broadsheet_spiflash_write_byte(par, data[i]);
+		if (err)
+			goto failout;
+	}
+
+	broadsheet_write_reg(par, 0x0208, 0);
+
+	err = broadsheet_spiflash_wait_for_status(par, 100);
+
+failout:
+	return err;
+}
+
+static int broadsheet_spiflash_write_sector(struct broadsheetfb_par *par,
+				int addr, const char *data, int sector_size)
+{
+	int i;
+	int err;
+
+	for (i = 0; i < sector_size; i += BS_SPIFLASH_PAGE_SIZE) {
+		err = broadsheet_spiflash_write_page(par, addr + i, &data[i]);
+		if (err)
+			return err;
+	}
+	return 0;
+}
+
+/*
+ * The caller must guarantee that the data to be rewritten is entirely
+ * contained within this sector. That is, data_start_addr + data_len
+ * must be less than sector_start_addr + sector_size.
+ */
+static int broadsheet_spiflash_rewrite_sector(struct broadsheetfb_par *par,
+					int sector_size, int data_start_addr,
+					int data_len, const char *data)
+{
+	int err;
+	char *sector_buffer;
+	int tail_start_addr;
+	int start_sector_addr;
+
+	sector_buffer = kzalloc(sizeof(char)*sector_size, GFP_KERNEL);
+	if (!sector_buffer)
+		return -ENOMEM;
+
+	/* the start address of the sector is the 0th byte of that sector */
+	start_sector_addr = (data_start_addr / sector_size) * sector_size;
+
+	/*
+	 * check if there is head data that we need to readback into our sector
+	 * buffer first
+	 */
+	if (data_start_addr != start_sector_addr) {
+		/*
+		 * we need to read every byte up till the start address of our
+		 * data and we put it into our sector buffer.
+		 */
+		err = broadsheet_spiflash_read_range(par, start_sector_addr,
+						data_start_addr, sector_buffer);
+		if (err)
+			return err;
+	}
+
+	/* now we copy our data into the right place in the sector buffer */
+	memcpy(sector_buffer + data_start_addr, data, data_len);
+
+	/*
+	 * now we check if there is a tail section of the sector that we need to
+	 * readback.
+	 */
+	tail_start_addr = (data_start_addr + data_len) % sector_size;
+
+	if (tail_start_addr) {
+		int tail_len;
+
+		tail_len = sector_size - tail_start_addr;
+
+		/* now we read this tail into our sector buffer */
+		err = broadsheet_spiflash_read_range(par, tail_start_addr,
+			tail_len, sector_buffer + tail_start_addr);
+		if (err)
+			return err;
+	}
+
+	/* if we got here we have the full sector that we want to rewrite. */
+
+	/* first erase the sector */
+	err = broadsheet_spiflash_erase_sector(par, start_sector_addr);
+	if (err)
+		return err;
+
+	/* now write it */
+	err = broadsheet_spiflash_write_sector(par, start_sector_addr,
+					sector_buffer, sector_size);
+	return err;
+}
+
+static int broadsheet_write_spiflash(struct broadsheetfb_par *par, u32 wfm_addr,
+				const u8 *wfm, int bytecount, int flash_type)
+{
+	int sector_size;
+	int err;
+	int cur_addr;
+	int writecount;
+	int maxlen;
+	int offset = 0;
+
+	switch (flash_type) {
+	case 0x10:
+		sector_size = 32*1024;
+		break;
+	case 0x11:
+	default:
+		sector_size = 64*1024;
+		break;
+	}
+
+	while (bytecount) {
+		cur_addr = wfm_addr + offset;
+		maxlen = roundup(cur_addr, sector_size) - cur_addr;
+		writecount = min(bytecount, maxlen);
+
+		err = broadsheet_spiflash_rewrite_sector(par, sector_size,
+				cur_addr, writecount, wfm + offset);
+		if (err)
+			return err;
+
+		offset += writecount;
+		bytecount -= writecount;
+	}
+
+	return 0;
+}
+
+static int broadsheet_store_waveform_to_spiflash(struct broadsheetfb_par *par,
+						const u8 *wfm, size_t wfm_size)
+{
+	int err = 0;
+	u16 initial_sfmcd = 0;
+	int flash_type = 0;
+
+	err = broadsheet_setup_for_wfm_write(par, &initial_sfmcd, &flash_type);
+	if (err)
+		goto failout;
+
+	err = broadsheet_write_spiflash(par, 0x886, wfm, wfm_size, flash_type);
+
+failout:
+	broadsheet_write_reg(par, 0x0204, initial_sfmcd);
+	return err;
+}
+
+static ssize_t broadsheet_loadstore_waveform(struct device *dev,
+						struct device_attribute *attr,
+						const char *buf, size_t len)
+{
+	int err;
+	struct fb_info *info = dev_get_drvdata(dev);
+	struct broadsheetfb_par *par = info->par;
+	const struct firmware *fw_entry;
+
+	if (len < 1)
+		return -EINVAL;
+
+	err = request_firmware(&fw_entry, "broadsheet.wbf", dev);
+	if (err < 0) {
+		dev_err(dev, "Failed to get broadsheet waveform\n");
+		goto err_failed;
+	}
+
+	/* try to enforce reasonable min max on waveform */
+	if ((fw_entry->size < 8*1024) || (fw_entry->size > 64*1024)) {
+		dev_err(dev, "Invalid waveform\n");
+		err = -EINVAL;
+		goto err_failed;
+	}
+
+	mutex_lock(&(par->io_lock));
+	err = broadsheet_store_waveform_to_spiflash(par, fw_entry->data,
+							fw_entry->size);
+
+	mutex_unlock(&(par->io_lock));
+	if (err < 0) {
+		dev_err(dev, "Failed to store broadsheet waveform\n");
+		goto err_failed;
+	}
+
+	dev_info(dev, "Stored broadsheet waveform, size %zd\n", fw_entry->size);
+
+	return len;
+
+err_failed:
+	return err;
+}
+static DEVICE_ATTR(loadstore_waveform, S_IWUSR, NULL,
+			broadsheet_loadstore_waveform);
+
+/* upper level functions that manipulate the display and other stuff */
 static void __devinit broadsheet_init_display(struct broadsheetfb_par *par)
 {
 	u16 args[5];
-
-	args[0] = DPY_W;
-	args[1] = DPY_H;
-	args[2] = (100 | (1 << 8) | (1 << 9)); /* sdcfg */
-	args[3] = 2; /* gdrv cfg */
-	args[4] = (4 | (1 << 7)); /* lut index format */
+	int xres = par->info->var.xres;
+	int yres = par->info->var.yres;
+
+	args[0] = panel_table[par->panel_index].w;
+	args[1] = panel_table[par->panel_index].h;
+	args[2] = panel_table[par->panel_index].sdcfg;
+	args[3] = panel_table[par->panel_index].gdcfg;
+	args[4] = panel_table[par->panel_index].lutfmt;
 	broadsheet_send_cmdargs(par, BS_CMD_INIT_DSPE_CFG, 5, args);
 
 	/* did the controller really set it? */
 	broadsheet_send_cmdargs(par, BS_CMD_INIT_DSPE_CFG, 5, args);
 
-	args[0] = 4; /* fsync len */
-	args[1] = (10 << 8) | 4; /* fend/fbegin len */
-	args[2] = 10; /* line sync len */
-	args[3] = (100 << 8) | 4; /* line end/begin len */
-	args[4] = 6; /* pixel clock cfg */
+	args[0] = panel_table[par->panel_index].fsynclen;
+	args[1] = panel_table[par->panel_index].fendfbegin;
+	args[2] = panel_table[par->panel_index].lsynclen;
+	args[3] = panel_table[par->panel_index].lendlbegin;
+	args[4] = panel_table[par->panel_index].pixclk;
 	broadsheet_send_cmdargs(par, BS_CMD_INIT_DSPE_TMG, 5, args);
 
+	broadsheet_write_reg32(par, 0x310, xres*yres*2);
+
 	/* setup waveform */
 	args[0] = 0x886;
 	args[1] = 0;
@@ -207,8 +818,9 @@ static void __devinit broadsheet_init_display(struct broadsheetfb_par *par)
 	args[0] = 0x154;
 	broadsheet_send_cmdargs(par, BS_CMD_WR_REG, 1, args);
 
-	broadsheet_burst_write(par, DPY_W*DPY_H/2,
-				(u16 *) par->info->screen_base);
+	broadsheet_burst_write(par, (panel_table[par->panel_index].w *
+					panel_table[par->panel_index].h)/2,
+					(u16 *) par->info->screen_base);
 
 	broadsheet_send_command(par, BS_CMD_LD_IMG_END);
 
@@ -222,6 +834,21 @@ static void __devinit broadsheet_init_display(struct broadsheetfb_par *par)
 	par->board->wait_for_rdy(par);
 }
 
+static void __devinit broadsheet_identify(struct broadsheetfb_par *par)
+{
+	u16 rev, prc;
+	struct device *dev = par->info->device;
+
+	rev = broadsheet_read_reg(par, BS_REG_REV);
+	prc = broadsheet_read_reg(par, BS_REG_PRC);
+	dev_info(dev, "Broadsheet Rev 0x%x, Product Code 0x%x\n", rev, prc);
+
+	if (prc != 0x0047)
+		dev_warn(dev, "Unrecognized Broadsheet Product Code\n");
+	if (rev != 0x0100)
+		dev_warn(dev, "Unrecognized Broadsheet Revision\n");
+}
+
 static void __devinit broadsheet_init(struct broadsheetfb_par *par)
 {
 	broadsheet_send_command(par, BS_CMD_INIT_SYS_RUN);
@@ -236,6 +863,7 @@ static void broadsheetfb_dpy_update_pages(struct broadsheetfb_par *par,
 	u16 args[5];
 	unsigned char *buf = (unsigned char *)par->info->screen_base;
 
+	mutex_lock(&(par->io_lock));
 	/* y1 must be a multiple of 4 so drop the lower bits */
 	y1 &= 0xFFFC;
 	/* y2 must be a multiple of 4 , but - 1 so up the lower bits */
@@ -265,6 +893,7 @@ static void broadsheetfb_dpy_update_pages(struct broadsheetfb_par *par,
 	broadsheet_send_command(par, BS_CMD_WAIT_DSPE_FREND);
 
 	par->board->wait_for_rdy(par);
+	mutex_unlock(&(par->io_lock));
 
 }
 
@@ -272,13 +901,15 @@ static void broadsheetfb_dpy_update(struct broadsheetfb_par *par)
 {
 	u16 args[5];
 
+	mutex_lock(&(par->io_lock));
 	args[0] = 0x3 << 4;
 	broadsheet_send_cmdargs(par, BS_CMD_LD_IMG, 1, args);
 
 	args[0] = 0x154;
 	broadsheet_send_cmdargs(par, BS_CMD_WR_REG, 1, args);
-	broadsheet_burst_write(par, DPY_W*DPY_H/2,
-				(u16 *) par->info->screen_base);
+	broadsheet_burst_write(par, (panel_table[par->panel_index].w *
+					panel_table[par->panel_index].h)/2,
+					(u16 *) par->info->screen_base);
 
 	broadsheet_send_command(par, BS_CMD_LD_IMG_END);
 
@@ -290,7 +921,7 @@ static void broadsheetfb_dpy_update(struct broadsheetfb_par *par)
 	broadsheet_send_command(par, BS_CMD_WAIT_DSPE_FREND);
 
 	par->board->wait_for_rdy(par);
-
+	mutex_unlock(&(par->io_lock));
 }
 
 /* this is called back from the deferred io workqueue */
@@ -436,6 +1067,8 @@ static int __devinit broadsheetfb_probe(struct platform_device *dev)
 	unsigned char *videomemory;
 	struct broadsheetfb_par *par;
 	int i;
+	int dpyw, dpyh;
+	int panel_index;
 
 	/* pick up board specific routines */
 	board = dev->dev.platform_data;
@@ -450,7 +1083,24 @@ static int __devinit broadsheetfb_probe(struct platform_device *dev)
 	if (!info)
 		goto err;
 
-	videomemorysize = (DPY_W*DPY_H);
+	switch (board->get_panel_type()) {
+	case 37:
+		panel_index = 1;
+		break;
+	case 97:
+		panel_index = 2;
+		break;
+	case 6:
+	default:
+		panel_index = 0;
+		break;
+	}
+
+	dpyw = panel_table[panel_index].w;
+	dpyh = panel_table[panel_index].h;
+
+	videomemorysize = roundup((dpyw*dpyh), PAGE_SIZE);
+
 	videomemory = vmalloc(videomemorysize);
 	if (!videomemory)
 		goto err_fb_rel;
@@ -460,16 +1110,25 @@ static int __devinit broadsheetfb_probe(struct platform_device *dev)
 	info->screen_base = (char *)videomemory;
 	info->fbops = &broadsheetfb_ops;
 
+	broadsheetfb_var.xres = dpyw;
+	broadsheetfb_var.yres = dpyh;
+	broadsheetfb_var.xres_virtual = dpyw;
+	broadsheetfb_var.yres_virtual = dpyh;
 	info->var = broadsheetfb_var;
+
+	broadsheetfb_fix.line_length = dpyw;
 	info->fix = broadsheetfb_fix;
 	info->fix.smem_len = videomemorysize;
 	par = info->par;
+	par->panel_index = panel_index;
 	par->info = info;
 	par->board = board;
 	par->write_reg = broadsheet_write_reg;
 	par->read_reg = broadsheet_read_reg;
 	init_waitqueue_head(&par->waitq);
 
+	mutex_init(&par->io_lock);
+
 	info->flags = FBINFO_FLAG_DEFAULT | FBINFO_VIRTFB;
 
 	info->fbdefio = &broadsheetfb_defio;
@@ -496,13 +1155,20 @@ static int __devinit broadsheetfb_probe(struct platform_device *dev)
 	if (retval < 0)
 		goto err_free_irq;
 
+	broadsheet_identify(par);
+
 	broadsheet_init(par);
 
 	retval = register_framebuffer(info);
 	if (retval < 0)
 		goto err_free_irq;
+
 	platform_set_drvdata(dev, info);
 
+	retval = device_create_file(&dev->dev, &dev_attr_loadstore_waveform);
+	if (retval < 0)
+		goto err_unreg_fb;
+
 	printk(KERN_INFO
 	       "fb%d: Broadsheet frame buffer, using %dK of video memory\n",
 	       info->node, videomemorysize >> 10);
@@ -510,6 +1176,8 @@ static int __devinit broadsheetfb_probe(struct platform_device *dev)
 
 	return 0;
 
+err_unreg_fb:
+	unregister_framebuffer(info);
 err_free_irq:
 	board->cleanup(par);
 err_cmap:
@@ -530,6 +1198,8 @@ static int __devexit broadsheetfb_remove(struct platform_device *dev)
 
 	if (info) {
 		struct broadsheetfb_par *par = info->par;
+
+		device_remove_file(info->dev, &dev_attr_loadstore_waveform);
 		unregister_framebuffer(info);
 		fb_deferred_io_cleanup(info);
 		par->board->cleanup(par);
diff --git a/drivers/video/cobalt_lcdfb.c b/drivers/video/cobalt_lcdfb.c
index 108b89e09a80..5eb61b5adfe8 100644
--- a/drivers/video/cobalt_lcdfb.c
+++ b/drivers/video/cobalt_lcdfb.c
@@ -287,7 +287,7 @@ static struct fb_ops cobalt_lcd_fbops = {
 	.fb_cursor	= cobalt_lcdfb_cursor,
 };
 
-static int __init cobalt_lcdfb_probe(struct platform_device *dev)
+static int __devinit cobalt_lcdfb_probe(struct platform_device *dev)
 {
 	struct fb_info *info;
 	struct resource *res;
diff --git a/drivers/video/console/Kconfig b/drivers/video/console/Kconfig
index fc7d9bbb548c..8e8f18d29d7a 100644
--- a/drivers/video/console/Kconfig
+++ b/drivers/video/console/Kconfig
@@ -37,6 +37,7 @@ config VGACON_SOFT_SCROLLBACK
 config VGACON_SOFT_SCROLLBACK_SIZE
        int "Scrollback Buffer Size (in KB)"
        depends on VGACON_SOFT_SCROLLBACK
+       range 1 1024
        default "64"
        help
          Enter the amount of System RAM to allocate for the scrollback
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index 3681c6a88212..b0a3fa00706d 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -3025,6 +3025,20 @@ static int fbcon_fb_unregistered(struct fb_info *info)
 	return 0;
 }
 
+static void fbcon_remap_all(int idx)
+{
+	int i;
+	for (i = first_fb_vc; i <= last_fb_vc; i++)
+		set_con2fb_map(i, idx, 0);
+
+	if (con_is_bound(&fb_con)) {
+		printk(KERN_INFO "fbcon: Remapping primary device, "
+		       "fb%i, to tty %i-%i\n", idx,
+		       first_fb_vc + 1, last_fb_vc + 1);
+		info_idx = idx;
+	}
+}
+
 #ifdef CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY
 static void fbcon_select_primary(struct fb_info *info)
 {
@@ -3225,6 +3239,10 @@ static int fbcon_event_notify(struct notifier_block *self,
 		caps = event->data;
 		fbcon_get_requirement(info, caps);
 		break;
+	case FB_EVENT_REMAP_ALL_CONSOLE:
+		idx = info->node;
+		fbcon_remap_all(idx);
+		break;
 	}
 done:
 	return ret;
diff --git a/drivers/video/console/vgacon.c b/drivers/video/console/vgacon.c
index cc4bbbe44aca..182dd6f8aadd 100644
--- a/drivers/video/console/vgacon.c
+++ b/drivers/video/console/vgacon.c
@@ -112,7 +112,7 @@ static int 		vga_video_font_height;
 static int 		vga_scan_lines		__read_mostly;
 static unsigned int 	vga_rolled_over;
 
-int vgacon_text_mode_force = 0;
+static int vgacon_text_mode_force;
 
 bool vgacon_text_force(void)
 {
diff --git a/drivers/video/efifb.c b/drivers/video/efifb.c
index d25df51bb0d2..581d2dbf675a 100644
--- a/drivers/video/efifb.c
+++ b/drivers/video/efifb.c
@@ -210,7 +210,7 @@ static int __init efifb_setup(char *options)
 	return 0;
 }
 
-static int __init efifb_probe(struct platform_device *dev)
+static int __devinit efifb_probe(struct platform_device *dev)
 {
 	struct fb_info *info;
 	int err;
diff --git a/drivers/video/epson1355fb.c b/drivers/video/epson1355fb.c
index 2735b79e52a1..6d755bb3a2bc 100644
--- a/drivers/video/epson1355fb.c
+++ b/drivers/video/epson1355fb.c
@@ -602,7 +602,7 @@ static int epson1355fb_remove(struct platform_device *dev)
 	return 0;
 }
 
-int __init epson1355fb_probe(struct platform_device *dev)
+int __devinit epson1355fb_probe(struct platform_device *dev)
 {
 	struct epson1355_par *default_par;
 	struct fb_info *info;
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 99bbd282ce63..a15b44e9c003 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1513,7 +1513,6 @@ register_framebuffer(struct fb_info *fb_info)
 				       fb_info->fix.id,
 				       registered_fb[i]->fix.id);
 				unregister_framebuffer(registered_fb[i]);
-				break;
 			}
 		}
 	}
diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c
index 695fa013fe7e..5643a35c1746 100644
--- a/drivers/video/gbefb.c
+++ b/drivers/video/gbefb.c
@@ -1128,7 +1128,7 @@ static int __init gbefb_setup(char *options)
 	return 0;
 }
 
-static int __init gbefb_probe(struct platform_device *p_dev)
+static int __devinit gbefb_probe(struct platform_device *p_dev)
 {
 	int i, ret = 0;
 	struct fb_info *info;
diff --git a/drivers/video/geode/lxfb.h b/drivers/video/geode/lxfb.h
index cc781c00f75d..e4c4d89b7860 100644
--- a/drivers/video/geode/lxfb.h
+++ b/drivers/video/geode/lxfb.h
@@ -365,6 +365,8 @@ enum fp_registers {
 	FP_CRC, /* 0x458 */
 };
 
+#define FP_PT2_HSP			(1 << 22)
+#define FP_PT2_VSP			(1 << 23)
 #define FP_PT2_SCRC			(1 << 27)	/* shfclk free */
 
 #define FP_PM_P				(1 << 24)	/* panel power ctl */
diff --git a/drivers/video/geode/lxfb_ops.c b/drivers/video/geode/lxfb_ops.c
index 0e5d8c7c3eba..bc35a95e59d4 100644
--- a/drivers/video/geode/lxfb_ops.c
+++ b/drivers/video/geode/lxfb_ops.c
@@ -274,7 +274,15 @@ static void lx_graphics_enable(struct fb_info *info)
 		u32 msrlo, msrhi;
 
 		write_fp(par, FP_PT1, 0);
-		write_fp(par, FP_PT2, FP_PT2_SCRC);
+		temp = FP_PT2_SCRC;
+
+		if (info->var.sync & FB_SYNC_HOR_HIGH_ACT)
+			temp |= FP_PT2_HSP;
+
+		if (info->var.sync & FB_SYNC_VERT_HIGH_ACT)
+			temp |= FP_PT2_VSP;
+
+		write_fp(par, FP_PT2, temp);
 		write_fp(par, FP_DFC, FP_DFC_BC);
 
 		msrlo = MSR_LX_MSR_PADSEL_TFT_SEL_LOW;
diff --git a/drivers/video/hgafb.c b/drivers/video/hgafb.c
index 0129c044f6d6..db9b785b56eb 100644
--- a/drivers/video/hgafb.c
+++ b/drivers/video/hgafb.c
@@ -551,7 +551,7 @@ static struct fb_ops hgafb_ops = {
 	 *  Initialization
 	 */
 
-static int __init hgafb_probe(struct platform_device *pdev)
+static int __devinit hgafb_probe(struct platform_device *pdev)
 {
 	struct fb_info *info;
 
diff --git a/drivers/video/hitfb.c b/drivers/video/hitfb.c
index 73c83a8de2d3..bf78779199c6 100644
--- a/drivers/video/hitfb.c
+++ b/drivers/video/hitfb.c
@@ -325,7 +325,7 @@ static struct fb_ops hitfb_ops = {
 	.fb_imageblit	= cfb_imageblit,
 };
 
-static int __init hitfb_probe(struct platform_device *dev)
+static int __devinit hitfb_probe(struct platform_device *dev)
 {
 	unsigned short lcdclor, ldr3, ldvndr;
 	struct fb_info *info;
diff --git a/drivers/video/mb862xx/mb862xxfb.c b/drivers/video/mb862xx/mb862xxfb.c
index fabb0c59a211..8280a58a0e55 100644
--- a/drivers/video/mb862xx/mb862xxfb.c
+++ b/drivers/video/mb862xx/mb862xxfb.c
@@ -31,15 +31,6 @@
 #define CARMINE_MEM_SIZE	0x8000000
 #define DRV_NAME		"mb862xxfb"
 
-#if defined(CONFIG_LWMON5)
-static struct mb862xx_gc_mode lwmon5_gc_mode = {
-	/* Mode for Sharp LQ104V1DG61 TFT LCD Panel */
-	{ "640x480", 60, 640, 480, 40000, 48, 16, 32, 11, 96, 2, 0, 0, 0 },
-	/* 16 bits/pixel, 32MB, 100MHz, SDRAM memory mode value */
-	16, 0x2000000, GC_CCF_COT_100, 0x414fb7f2
-};
-#endif
-
 #if defined(CONFIG_SOCRATES)
 static struct mb862xx_gc_mode socrates_gc_mode = {
 	/* Mode for Prime View PM070WL4 TFT LCD Panel */
@@ -600,10 +591,6 @@ static int __devinit of_platform_mb862xx_probe(struct of_device *ofdev,
 		goto irqdisp;
 	}
 
-#if defined(CONFIG_LWMON5)
-	par->gc_mode = &lwmon5_gc_mode;
-#endif
-
 #if defined(CONFIG_SOCRATES)
 	par->gc_mode = &socrates_gc_mode;
 #endif
diff --git a/drivers/video/mbx/mbxfb.c b/drivers/video/mbx/mbxfb.c
index 01f77bcc68f9..afea9abbd678 100644
--- a/drivers/video/mbx/mbxfb.c
+++ b/drivers/video/mbx/mbxfb.c
@@ -693,7 +693,7 @@ static void __devinit setup_memc(struct fb_info *fbi)
 	unsigned long tmp;
 	int i;
 
-	/* FIXME: use platfrom specific parameters */
+	/* FIXME: use platform specific parameters */
 	/* setup SDRAM controller */
 	write_reg_dly((LMCFG_LMC_DS | LMCFG_LMC_TS | LMCFG_LMD_TS |
 		LMCFG_LMA_TS),
diff --git a/drivers/video/modedb.c b/drivers/video/modedb.c
index 0129f1bc3522..b895aae41630 100644
--- a/drivers/video/modedb.c
+++ b/drivers/video/modedb.c
@@ -893,7 +893,7 @@ const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
 }
 
 /**
- * fb_add_videomode: adds videomode entry to modelist
+ * fb_add_videomode - adds videomode entry to modelist
  * @mode: videomode to add
  * @head: struct list_head of modelist
  *
@@ -928,7 +928,7 @@ int fb_add_videomode(const struct fb_videomode *mode, struct list_head *head)
 }
 
 /**
- * fb_delete_videomode: removed videomode entry from modelist
+ * fb_delete_videomode - removed videomode entry from modelist
  * @mode: videomode to remove
  * @head: struct list_head of modelist
  *
@@ -953,7 +953,7 @@ void fb_delete_videomode(const struct fb_videomode *mode,
 }
 
 /**
- * fb_destroy_modelist: destroy modelist
+ * fb_destroy_modelist - destroy modelist
  * @head: struct list_head of modelist
  */
 void fb_destroy_modelist(struct list_head *head)
@@ -968,7 +968,7 @@ void fb_destroy_modelist(struct list_head *head)
 EXPORT_SYMBOL_GPL(fb_destroy_modelist);
 
 /**
- * fb_videomode_to_modelist: convert mode array to mode list
+ * fb_videomode_to_modelist - convert mode array to mode list
  * @modedb: array of struct fb_videomode
  * @num: number of entries in array
  * @head: struct list_head of modelist
diff --git a/drivers/video/nuc900fb.c b/drivers/video/nuc900fb.c
new file mode 100644
index 000000000000..6bf0d460a738
--- /dev/null
+++ b/drivers/video/nuc900fb.c
@@ -0,0 +1,779 @@
+/*
+ *
+ * Copyright (c) 2009 Nuvoton technology corporation
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ *  Description:
+ *    Nuvoton LCD Controller Driver
+ *  Author:
+ *    Wang Qiang (rurality.linux@gmail.com) 2009/12/11
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/mm.h>
+#include <linux/tty.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/dma-mapping.h>
+#include <linux/interrupt.h>
+#include <linux/workqueue.h>
+#include <linux/wait.h>
+#include <linux/platform_device.h>
+#include <linux/clk.h>
+#include <linux/cpufreq.h>
+#include <linux/io.h>
+#include <linux/pm.h>
+#include <linux/device.h>
+
+#include <mach/map.h>
+#include <mach/regs-clock.h>
+#include <mach/regs-ldm.h>
+#include <mach/fb.h>
+#include <mach/clkdev.h>
+
+#include "nuc900fb.h"
+
+
+/*
+ *  Initialize the nuc900 video (dual) buffer address
+ */
+static void nuc900fb_set_lcdaddr(struct fb_info *info)
+{
+	struct nuc900fb_info *fbi = info->par;
+	void __iomem *regs = fbi->io;
+	unsigned long vbaddr1, vbaddr2;
+
+	vbaddr1  = info->fix.smem_start;
+	vbaddr2  = info->fix.smem_start;
+	vbaddr2 += info->fix.line_length * info->var.yres;
+
+	/* set frambuffer start phy addr*/
+	writel(vbaddr1, regs + REG_LCM_VA_BADDR0);
+	writel(vbaddr2, regs + REG_LCM_VA_BADDR1);
+
+	writel(fbi->regs.lcd_va_fbctrl, regs + REG_LCM_VA_FBCTRL);
+	writel(fbi->regs.lcd_va_scale, regs + REG_LCM_VA_SCALE);
+}
+
+/*
+ *	calculate divider for lcd div
+ */
+static unsigned int nuc900fb_calc_pixclk(struct nuc900fb_info *fbi,
+					 unsigned long pixclk)
+{
+	unsigned long clk = fbi->clk_rate;
+	unsigned long long div;
+
+	/* pixclk is in picseconds. our clock is in Hz*/
+	/* div = (clk * pixclk)/10^12 */
+	div = (unsigned long long)clk * pixclk;
+	div >>= 12;
+	do_div(div, 625 * 625UL * 625);
+
+	dev_dbg(fbi->dev, "pixclk %ld, divisor is %lld\n", pixclk, div);
+
+	return div;
+}
+
+/*
+ *	Check the video params of 'var'.
+ */
+static int nuc900fb_check_var(struct fb_var_screeninfo *var,
+			       struct fb_info *info)
+{
+	struct nuc900fb_info *fbi = info->par;
+	struct nuc900fb_mach_info *mach_info = fbi->dev->platform_data;
+	struct nuc900fb_display *display = NULL;
+	struct nuc900fb_display *default_display = mach_info->displays +
+						   mach_info->default_display;
+	int i;
+
+	dev_dbg(fbi->dev, "check_var(var=%p, info=%p)\n", var, info);
+
+	/* validate x/y resolution */
+	/* choose default mode if possible */
+	if (var->xres == default_display->xres &&
+	    var->yres == default_display->yres &&
+	    var->bits_per_pixel == default_display->bpp)
+		display = default_display;
+	else
+		for (i = 0; i < mach_info->num_displays; i++)
+			if (var->xres == mach_info->displays[i].xres &&
+			    var->yres == mach_info->displays[i].yres &&
+			    var->bits_per_pixel == mach_info->displays[i].bpp) {
+				display = mach_info->displays + i;
+				break;
+			}
+
+	if (display == NULL) {
+		printk(KERN_ERR "wrong resolution or depth %dx%d at %d bit per pixel\n",
+			var->xres, var->yres, var->bits_per_pixel);
+		return -EINVAL;
+	}
+
+	/* it should be the same size as the display */
+	var->xres_virtual	= display->xres;
+	var->yres_virtual	= display->yres;
+	var->height		= display->height;
+	var->width		= display->width;
+
+	/* copy lcd settings */
+	var->pixclock		= display->pixclock;
+	var->left_margin	= display->left_margin;
+	var->right_margin	= display->right_margin;
+	var->upper_margin	= display->upper_margin;
+	var->lower_margin	= display->lower_margin;
+	var->vsync_len		= display->vsync_len;
+	var->hsync_len		= display->hsync_len;
+
+	var->transp.offset	= 0;
+	var->transp.length	= 0;
+
+	fbi->regs.lcd_dccs = display->dccs;
+	fbi->regs.lcd_device_ctrl = display->devctl;
+	fbi->regs.lcd_va_fbctrl = display->fbctrl;
+	fbi->regs.lcd_va_scale = display->scale;
+
+	/* set R/G/B possions */
+	switch (var->bits_per_pixel) {
+	case 1:
+	case 2:
+	case 4:
+	case 8:
+	default:
+		var->red.offset 	= 0;
+		var->red.length 	= var->bits_per_pixel;
+		var->green 		= var->red;
+		var->blue		= var->red;
+		break;
+	case 12:
+		var->red.length		= 4;
+		var->green.length	= 4;
+		var->blue.length	= 4;
+		var->red.offset		= 8;
+		var->green.offset	= 4;
+		var->blue.offset	= 0;
+		break;
+	case 16:
+		var->red.length		= 5;
+		var->green.length	= 6;
+		var->blue.length	= 5;
+		var->red.offset		= 11;
+		var->green.offset	= 5;
+		var->blue.offset	= 0;
+		break;
+	case 18:
+		var->red.length		= 6;
+		var->green.length	= 6;
+		var->blue.length	= 6;
+		var->red.offset		= 12;
+		var->green.offset	= 6;
+		var->blue.offset	= 0;
+		break;
+	case 32:
+		var->red.length		= 8;
+		var->green.length	= 8;
+		var->blue.length	= 8;
+		var->red.offset		= 16;
+		var->green.offset	= 8;
+		var->blue.offset	= 0;
+		break;
+	}
+
+	return 0;
+}
+
+/*
+ *	Calculate lcd register values from var setting & save into hw
+ */
+static void nuc900fb_calculate_lcd_regs(const struct fb_info *info,
+					struct nuc900fb_hw *regs)
+{
+	const struct fb_var_screeninfo *var = &info->var;
+	int vtt = var->height + var->upper_margin + var->lower_margin;
+	int htt = var->width + var->left_margin + var->right_margin;
+	int hsync = var->width + var->right_margin;
+	int vsync = var->height + var->lower_margin;
+
+	regs->lcd_crtc_size = LCM_CRTC_SIZE_VTTVAL(vtt) |
+			      LCM_CRTC_SIZE_HTTVAL(htt);
+	regs->lcd_crtc_dend = LCM_CRTC_DEND_VDENDVAL(var->height) |
+			      LCM_CRTC_DEND_HDENDVAL(var->width);
+	regs->lcd_crtc_hr = LCM_CRTC_HR_EVAL(var->width + 5) |
+			    LCM_CRTC_HR_SVAL(var->width + 1);
+	regs->lcd_crtc_hsync = LCM_CRTC_HSYNC_EVAL(hsync + var->hsync_len) |
+			       LCM_CRTC_HSYNC_SVAL(hsync);
+	regs->lcd_crtc_vr = LCM_CRTC_VR_EVAL(vsync + var->vsync_len) |
+			    LCM_CRTC_VR_SVAL(vsync);
+
+}
+
+/*
+ *	Activate (set) the controller from the given framebuffer
+ *	information
+ */
+static void nuc900fb_activate_var(struct fb_info *info)
+{
+	struct nuc900fb_info *fbi = info->par;
+	void __iomem *regs = fbi->io;
+	struct fb_var_screeninfo *var = &info->var;
+	int clkdiv;
+
+	clkdiv = nuc900fb_calc_pixclk(fbi, var->pixclock) - 1;
+	if (clkdiv < 0)
+		clkdiv = 0;
+
+	nuc900fb_calculate_lcd_regs(info, &fbi->regs);
+
+	/* set the new lcd registers*/
+
+	dev_dbg(fbi->dev, "new lcd register set:\n");
+	dev_dbg(fbi->dev, "dccs       = 0x%08x\n", fbi->regs.lcd_dccs);
+	dev_dbg(fbi->dev, "dev_ctl    = 0x%08x\n", fbi->regs.lcd_device_ctrl);
+	dev_dbg(fbi->dev, "crtc_size  = 0x%08x\n", fbi->regs.lcd_crtc_size);
+	dev_dbg(fbi->dev, "crtc_dend  = 0x%08x\n", fbi->regs.lcd_crtc_dend);
+	dev_dbg(fbi->dev, "crtc_hr    = 0x%08x\n", fbi->regs.lcd_crtc_hr);
+	dev_dbg(fbi->dev, "crtc_hsync = 0x%08x\n", fbi->regs.lcd_crtc_hsync);
+	dev_dbg(fbi->dev, "crtc_vr    = 0x%08x\n", fbi->regs.lcd_crtc_vr);
+
+	writel(fbi->regs.lcd_device_ctrl, regs + REG_LCM_DEV_CTRL);
+	writel(fbi->regs.lcd_crtc_size, regs + REG_LCM_CRTC_SIZE);
+	writel(fbi->regs.lcd_crtc_dend, regs + REG_LCM_CRTC_DEND);
+	writel(fbi->regs.lcd_crtc_hr, regs + REG_LCM_CRTC_HR);
+	writel(fbi->regs.lcd_crtc_hsync, regs + REG_LCM_CRTC_HSYNC);
+	writel(fbi->regs.lcd_crtc_vr, regs + REG_LCM_CRTC_VR);
+
+	/* set lcd address pointers */
+	nuc900fb_set_lcdaddr(info);
+
+	writel(fbi->regs.lcd_dccs, regs + REG_LCM_DCCS);
+}
+
+/*
+ *      Alters the hardware state.
+ *
+ */
+static int nuc900fb_set_par(struct fb_info *info)
+{
+	struct fb_var_screeninfo *var = &info->var;
+
+	switch (var->bits_per_pixel) {
+	case 32:
+	case 24:
+	case 18:
+	case 16:
+	case 12:
+		info->fix.visual = FB_VISUAL_TRUECOLOR;
+		break;
+	case 1:
+		info->fix.visual = FB_VISUAL_MONO01;
+		break;
+	default:
+		info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
+		break;
+	}
+
+	info->fix.line_length = (var->xres_virtual * var->bits_per_pixel) / 8;
+
+	/* activate this new configuration */
+	nuc900fb_activate_var(info);
+	return 0;
+}
+
+static inline unsigned int chan_to_field(unsigned int chan,
+					 struct fb_bitfield *bf)
+{
+	chan &= 0xffff;
+	chan >>= 16 - bf->length;
+	return chan << bf->offset;
+}
+
+static int nuc900fb_setcolreg(unsigned regno,
+			       unsigned red, unsigned green, unsigned blue,
+			       unsigned transp, struct fb_info *info)
+{
+	unsigned int val;
+
+	switch (info->fix.visual) {
+	case FB_VISUAL_TRUECOLOR:
+		/* true-colour, use pseuo-palette */
+		if (regno < 16) {
+			u32 *pal = info->pseudo_palette;
+
+			val  = chan_to_field(red, &info->var.red);
+			val |= chan_to_field(green, &info->var.green);
+			val |= chan_to_field(blue, &info->var.blue);
+			pal[regno] = val;
+		}
+		break;
+
+	default:
+		return 1;   /* unknown type */
+	}
+	return 0;
+}
+
+/**
+ *      nuc900fb_blank
+ *
+ */
+static int nuc900fb_blank(int blank_mode, struct fb_info *info)
+{
+
+	return 0;
+}
+
+static struct fb_ops nuc900fb_ops = {
+	.owner			= THIS_MODULE,
+	.fb_check_var		= nuc900fb_check_var,
+	.fb_set_par		= nuc900fb_set_par,
+	.fb_blank		= nuc900fb_blank,
+	.fb_setcolreg		= nuc900fb_setcolreg,
+	.fb_fillrect		= cfb_fillrect,
+	.fb_copyarea		= cfb_copyarea,
+	.fb_imageblit		= cfb_imageblit,
+};
+
+
+static inline void modify_gpio(void __iomem *reg,
+			       unsigned long set, unsigned long mask)
+{
+	unsigned long tmp;
+	tmp = readl(reg) & ~mask;
+	writel(tmp | set, reg);
+}
+
+/*
+ * Initialise LCD-related registers
+ */
+static int nuc900fb_init_registers(struct fb_info *info)
+{
+	struct nuc900fb_info *fbi = info->par;
+	struct nuc900fb_mach_info *mach_info = fbi->dev->platform_data;
+	void __iomem *regs = fbi->io;
+
+	/*reset the display engine*/
+	writel(0, regs + REG_LCM_DCCS);
+	writel(readl(regs + REG_LCM_DCCS) | LCM_DCCS_ENG_RST,
+	       regs + REG_LCM_DCCS);
+	ndelay(100);
+	writel(readl(regs + REG_LCM_DCCS) & (~LCM_DCCS_ENG_RST),
+	       regs + REG_LCM_DCCS);
+	ndelay(100);
+
+	writel(0, regs + REG_LCM_DEV_CTRL);
+
+	/* config gpio output */
+	modify_gpio(W90X900_VA_GPIO + 0x54, mach_info->gpio_dir,
+		    mach_info->gpio_dir_mask);
+	modify_gpio(W90X900_VA_GPIO + 0x58, mach_info->gpio_data,
+		    mach_info->gpio_data_mask);
+
+	return 0;
+}
+
+
+/*
+ *    Alloc the SDRAM region of NUC900 for the frame buffer.
+ *    The buffer should be a non-cached, non-buffered, memory region
+ *    to allow palette and pixel writes without flushing the cache.
+ */
+static int __init nuc900fb_map_video_memory(struct fb_info *info)
+{
+	struct nuc900fb_info *fbi = info->par;
+	dma_addr_t map_dma;
+	unsigned long map_size = PAGE_ALIGN(info->fix.smem_len);
+
+	dev_dbg(fbi->dev, "nuc900fb_map_video_memory(fbi=%p) map_size %lu\n",
+		fbi, map_size);
+
+	info->screen_base = dma_alloc_writecombine(fbi->dev, map_size,
+							&map_dma, GFP_KERNEL);
+
+	if (!info->screen_base)
+		return -ENOMEM;
+
+	memset(info->screen_base, 0x00, map_size);
+	info->fix.smem_start = map_dma;
+
+	return 0;
+}
+
+static inline void nuc900fb_unmap_video_memory(struct fb_info *info)
+{
+	struct nuc900fb_info *fbi = info->par;
+	dma_free_writecombine(fbi->dev, PAGE_ALIGN(info->fix.smem_len),
+			      info->screen_base, info->fix.smem_start);
+}
+
+static irqreturn_t nuc900fb_irqhandler(int irq, void *dev_id)
+{
+	struct nuc900fb_info *fbi = dev_id;
+	void __iomem *regs = fbi->io;
+	void __iomem *irq_base = fbi->irq_base;
+	unsigned long lcdirq = readl(regs + REG_LCM_INT_CS);
+
+	if (lcdirq & LCM_INT_CS_DISP_F_STATUS) {
+		writel(readl(irq_base) | 1<<30, irq_base);
+
+		/* wait VA_EN low */
+		if ((readl(regs + REG_LCM_DCCS) &
+		    LCM_DCCS_SINGLE) == LCM_DCCS_SINGLE)
+			while ((readl(regs + REG_LCM_DCCS) &
+			       LCM_DCCS_VA_EN) == LCM_DCCS_VA_EN)
+				;
+		/* display_out-enable */
+		writel(readl(regs + REG_LCM_DCCS) | LCM_DCCS_DISP_OUT_EN,
+			regs + REG_LCM_DCCS);
+		/* va-enable*/
+		writel(readl(regs + REG_LCM_DCCS) | LCM_DCCS_VA_EN,
+			regs + REG_LCM_DCCS);
+	} else if (lcdirq & LCM_INT_CS_UNDERRUN_INT) {
+		writel(readl(irq_base) | LCM_INT_CS_UNDERRUN_INT, irq_base);
+	} else if (lcdirq & LCM_INT_CS_BUS_ERROR_INT) {
+		writel(readl(irq_base) | LCM_INT_CS_BUS_ERROR_INT, irq_base);
+	}
+
+	return IRQ_HANDLED;
+}
+
+#ifdef CONFIG_CPU_FREQ
+
+static int nuc900fb_cpufreq_transition(struct notifier_block *nb,
+				       unsigned long val, void *data)
+{
+	struct nuc900fb_info *info;
+	struct fb_info *fbinfo;
+	long delta_f;
+	info = container_of(nb, struct nuc900fb_info, freq_transition);
+	fbinfo = platform_get_drvdata(to_platform_device(info->dev));
+
+	delta_f = info->clk_rate - clk_get_rate(info->clk);
+
+	if ((val == CPUFREQ_POSTCHANGE && delta_f > 0) ||
+	   (val == CPUFREQ_PRECHANGE && delta_f < 0)) {
+		info->clk_rate = clk_get_rate(info->clk);
+		nuc900fb_activate_var(fbinfo);
+	}
+
+	return 0;
+}
+
+static inline int nuc900fb_cpufreq_register(struct nuc900fb_info *fbi)
+{
+	fbi->freq_transition.notifier_call = nuc900fb_cpufreq_transition;
+	return cpufreq_register_notifier(&fbi->freq_transition,
+				  CPUFREQ_TRANSITION_NOTIFIER);
+}
+
+static inline void nuc900fb_cpufreq_deregister(struct nuc900fb_info *fbi)
+{
+	cpufreq_unregister_notifier(&fbi->freq_transition,
+				    CPUFREQ_TRANSITION_NOTIFIER);
+}
+#else
+static inline int nuc900fb_cpufreq_transition(struct notifier_block *nb,
+				       unsigned long val, void *data)
+{
+	return 0;
+}
+
+static inline int nuc900fb_cpufreq_register(struct nuc900fb_info *fbi)
+{
+	return 0;
+}
+
+static inline void nuc900fb_cpufreq_deregister(struct nuc900fb_info *info)
+{
+}
+#endif
+
+static char driver_name[] = "nuc900fb";
+
+static int __devinit nuc900fb_probe(struct platform_device *pdev)
+{
+	struct nuc900fb_info *fbi;
+	struct nuc900fb_display *display;
+	struct fb_info	   *fbinfo;
+	struct nuc900fb_mach_info *mach_info;
+	struct resource *res;
+	int ret;
+	int irq;
+	int i;
+	int size;
+
+	dev_dbg(&pdev->dev, "devinit\n");
+	mach_info = pdev->dev.platform_data;
+	if (mach_info == NULL) {
+		dev_err(&pdev->dev,
+			"no platform data for lcd, cannot attach\n");
+		return -EINVAL;
+	}
+
+	if (mach_info->default_display > mach_info->num_displays) {
+		dev_err(&pdev->dev,
+			"default display No. is %d but only %d displays \n",
+			mach_info->default_display, mach_info->num_displays);
+		return -EINVAL;
+	}
+
+
+	display = mach_info->displays + mach_info->default_display;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_err(&pdev->dev, "no irq for device\n");
+		return -ENOENT;
+	}
+
+	fbinfo = framebuffer_alloc(sizeof(struct nuc900fb_info), &pdev->dev);
+	if (!fbinfo)
+		return -ENOMEM;
+
+	platform_set_drvdata(pdev, fbinfo);
+
+	fbi = fbinfo->par;
+	fbi->dev = &pdev->dev;
+
+#ifdef CONFIG_CPU_NUC950
+	fbi->drv_type = LCDDRV_NUC950;
+#endif
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+
+	size = (res->end - res->start) + 1;
+	fbi->mem = request_mem_region(res->start, size, pdev->name);
+	if (fbi->mem == NULL) {
+		dev_err(&pdev->dev, "failed to alloc memory region\n");
+		ret = -ENOENT;
+		goto free_fb;
+	}
+
+	fbi->io = ioremap(res->start, size);
+	if (fbi->io == NULL) {
+		dev_err(&pdev->dev, "ioremap() of lcd registers failed\n");
+		ret = -ENXIO;
+		goto release_mem_region;
+	}
+
+	fbi->irq_base = fbi->io + REG_LCM_INT_CS;
+
+
+	/* Stop the LCD */
+	writel(0, fbi->io + REG_LCM_DCCS);
+
+	/* fill the fbinfo*/
+	strcpy(fbinfo->fix.id, driver_name);
+	fbinfo->fix.type		= FB_TYPE_PACKED_PIXELS;
+	fbinfo->fix.type_aux		= 0;
+	fbinfo->fix.xpanstep		= 0;
+	fbinfo->fix.ypanstep		= 0;
+	fbinfo->fix.ywrapstep		= 0;
+	fbinfo->fix.accel		= FB_ACCEL_NONE;
+	fbinfo->var.nonstd		= 0;
+	fbinfo->var.activate		= FB_ACTIVATE_NOW;
+	fbinfo->var.accel_flags		= 0;
+	fbinfo->var.vmode		= FB_VMODE_NONINTERLACED;
+	fbinfo->fbops			= &nuc900fb_ops;
+	fbinfo->flags			= FBINFO_FLAG_DEFAULT;
+	fbinfo->pseudo_palette		= &fbi->pseudo_pal;
+
+	ret = request_irq(irq, nuc900fb_irqhandler, IRQF_DISABLED,
+			  pdev->name, fbinfo);
+	if (ret) {
+		dev_err(&pdev->dev, "cannot register irq handler %d -err %d\n",
+			irq, ret);
+		ret = -EBUSY;
+		goto release_regs;
+	}
+
+	nuc900_driver_clksrc_div(&pdev->dev, "ext", 0x2);
+
+	fbi->clk = clk_get(&pdev->dev, NULL);
+	if (!fbi->clk || IS_ERR(fbi->clk)) {
+		printk(KERN_ERR "nuc900-lcd:failed to get lcd clock source\n");
+		ret = -ENOENT;
+		goto release_irq;
+	}
+
+	clk_enable(fbi->clk);
+	dev_dbg(&pdev->dev, "got and enabled clock\n");
+
+	fbi->clk_rate = clk_get_rate(fbi->clk);
+
+	/* calutate the video buffer size */
+	for (i = 0; i < mach_info->num_displays; i++) {
+		unsigned long smem_len = mach_info->displays[i].xres;
+		smem_len *= mach_info->displays[i].yres;
+		smem_len *= mach_info->displays[i].bpp;
+		smem_len >>= 3;
+		if (fbinfo->fix.smem_len < smem_len)
+			fbinfo->fix.smem_len = smem_len;
+	}
+
+	/* Initialize Video Memory */
+	ret = nuc900fb_map_video_memory(fbinfo);
+	if (ret) {
+		printk(KERN_ERR "Failed to allocate video RAM: %x\n", ret);
+		goto release_clock;
+	}
+
+	dev_dbg(&pdev->dev, "got video memory\n");
+
+	fbinfo->var.xres = display->xres;
+	fbinfo->var.yres = display->yres;
+	fbinfo->var.bits_per_pixel = display->bpp;
+
+	nuc900fb_init_registers(fbinfo);
+
+	nuc900fb_check_var(&fbinfo->var, fbinfo);
+
+	ret = nuc900fb_cpufreq_register(fbi);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "Failed to register cpufreq\n");
+		goto free_video_memory;
+	}
+
+	ret = register_framebuffer(fbinfo);
+	if (ret) {
+		printk(KERN_ERR "failed to register framebuffer device: %d\n",
+			ret);
+		goto free_cpufreq;
+	}
+
+	printk(KERN_INFO "fb%d: %s frame buffer device\n",
+		fbinfo->node, fbinfo->fix.id);
+
+	return 0;
+
+free_cpufreq:
+	nuc900fb_cpufreq_deregister(fbi);
+free_video_memory:
+	nuc900fb_unmap_video_memory(fbinfo);
+release_clock:
+	clk_disable(fbi->clk);
+	clk_put(fbi->clk);
+release_irq:
+	free_irq(irq, fbi);
+release_regs:
+	iounmap(fbi->io);
+release_mem_region:
+	release_mem_region((unsigned long)fbi->mem, size);
+free_fb:
+	framebuffer_release(fbinfo);
+	return ret;
+}
+
+/*
+ * shutdown the lcd controller
+ */
+static void nuc900fb_stop_lcd(struct fb_info *info)
+{
+	struct nuc900fb_info *fbi = info->par;
+	void __iomem *regs = fbi->io;
+
+	writel((~LCM_DCCS_DISP_INT_EN) | (~LCM_DCCS_VA_EN) | (~LCM_DCCS_OSD_EN),
+		regs + REG_LCM_DCCS);
+}
+
+/*
+ *  Cleanup
+ */
+static int nuc900fb_remove(struct platform_device *pdev)
+{
+	struct fb_info *fbinfo = platform_get_drvdata(pdev);
+	struct nuc900fb_info *fbi = fbinfo->par;
+	int irq;
+
+	nuc900fb_stop_lcd(fbinfo);
+	msleep(1);
+
+	nuc900fb_unmap_video_memory(fbinfo);
+
+	iounmap(fbi->io);
+
+	irq = platform_get_irq(pdev, 0);
+	free_irq(irq, fbi);
+
+	release_resource(fbi->mem);
+	kfree(fbi->mem);
+
+	platform_set_drvdata(pdev, NULL);
+	framebuffer_release(fbinfo);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+
+/*
+ *	suspend and resume support for the lcd controller
+ */
+
+static int nuc900fb_suspend(struct platform_device *dev, pm_message_t state)
+{
+	struct fb_info	   *fbinfo = platform_get_drvdata(dev);
+	struct nuc900fb_info *info = fbinfo->par;
+
+	nuc900fb_stop_lcd();
+	msleep(1);
+	clk_disable(info->clk);
+	return 0;
+}
+
+static int nuc900fb_resume(struct platform_device *dev)
+{
+	struct fb_info	   *fbinfo = platform_get_drvdata(dev);
+	struct nuc900fb_info *fbi = fbinfo->par;
+
+	printk(KERN_INFO "nuc900fb resume\n");
+
+	clk_enable(fbi->clk);
+	msleep(1);
+
+	nuc900fb_init_registers(fbinfo);
+	nuc900fb_activate_var(bfinfo);
+
+	return 0;
+}
+
+#else
+#define nuc900fb_suspend NULL
+#define nuc900fb_resume  NULL
+#endif
+
+static struct platform_driver nuc900fb_driver = {
+	.probe		= nuc900fb_probe,
+	.remove		= nuc900fb_remove,
+	.suspend	= nuc900fb_suspend,
+	.resume		= nuc900fb_resume,
+	.driver		= {
+		.name	= "nuc900-lcd",
+		.owner	= THIS_MODULE,
+	},
+};
+
+int __devinit nuc900fb_init(void)
+{
+	return platform_driver_register(&nuc900fb_driver);
+}
+
+static void __exit nuc900fb_cleanup(void)
+{
+	platform_driver_unregister(&nuc900fb_driver);
+}
+
+module_init(nuc900fb_init);
+module_exit(nuc900fb_cleanup);
+
+MODULE_DESCRIPTION("Framebuffer driver for the NUC900");
+MODULE_LICENSE("GPL");
diff --git a/drivers/video/nuc900fb.h b/drivers/video/nuc900fb.h
new file mode 100644
index 000000000000..6c23aa3d3b89
--- /dev/null
+++ b/drivers/video/nuc900fb.h
@@ -0,0 +1,55 @@
+/*
+ *
+ * Copyright (c) 2009 Nuvoton technology corporation
+ * All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ *   Auther:
+ *        Wang Qiang(rurality.linux@gmail.com)  2009/12/16
+ */
+
+#ifndef __NUC900FB_H
+#define __NUC900FB_H
+
+#include <mach/map.h>
+#include <mach/fb.h>
+
+enum nuc900_lcddrv_type {
+	LCDDRV_NUC910,
+	LCDDRV_NUC930,
+	LCDDRV_NUC932,
+	LCDDRV_NUC950,
+	LCDDRV_NUC960,
+};
+
+
+#define PALETTE_BUFFER_SIZE	256
+#define PALETTE_BUFF_CLEAR 	(0x80000000) /* entry is clear/invalid */
+
+struct nuc900fb_info {
+	struct device		*dev;
+	struct clk		*clk;
+
+	struct resource		*mem;
+	void __iomem		*io;
+	void __iomem		*irq_base;
+	int 			drv_type;
+	struct nuc900fb_hw	regs;
+	unsigned long		clk_rate;
+
+#ifdef CONFIG_CPU_FREQ
+	struct notifier_block	freq_transition;
+#endif
+
+	/* keep these registers in case we need to re-write palette */
+	u32			palette_buffer[PALETTE_BUFFER_SIZE];
+	u32			pseudo_pal[16];
+};
+
+int nuc900fb_init(void);
+
+#endif /* __NUC900FB_H */
diff --git a/drivers/video/nvidia/nv_backlight.c b/drivers/video/nvidia/nv_backlight.c
index 443e3c85a9a0..2fb552a6f32c 100644
--- a/drivers/video/nvidia/nv_backlight.c
+++ b/drivers/video/nvidia/nv_backlight.c
@@ -94,6 +94,7 @@ static struct backlight_ops nvidia_bl_ops = {
 
 void nvidia_bl_init(struct nvidia_par *par)
 {
+	struct backlight_properties props;
 	struct fb_info *info = pci_get_drvdata(par->pci_dev);
 	struct backlight_device *bd;
 	char name[12];
@@ -109,7 +110,10 @@ void nvidia_bl_init(struct nvidia_par *par)
 
 	snprintf(name, sizeof(name), "nvidiabl%d", info->node);
 
-	bd = backlight_device_register(name, info->dev, par, &nvidia_bl_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
+	bd = backlight_device_register(name, info->dev, par, &nvidia_bl_ops,
+				       &props);
 	if (IS_ERR(bd)) {
 		info->bl_dev = NULL;
 		printk(KERN_WARNING "nvidia: Backlight registration failed\n");
@@ -121,7 +125,6 @@ void nvidia_bl_init(struct nvidia_par *par)
 		0x158 * FB_BACKLIGHT_MAX / MAX_LEVEL,
 		0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL);
 
-	bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
 	bd->props.brightness = bd->props.max_brightness;
 	bd->props.power = FB_BLANK_UNBLANK;
 	backlight_update_status(bd);
diff --git a/drivers/video/omap/lcdc.c b/drivers/video/omap/lcdc.c
index a33483910dc8..9557f963662e 100644
--- a/drivers/video/omap/lcdc.c
+++ b/drivers/video/omap/lcdc.c
@@ -389,7 +389,7 @@ static int omap_lcdc_enable_plane(int plane, int enable)
 /*
  * Configure the LCD DMA for a palette load operation and do the palette
  * downloading synchronously. We don't use the frame+palette load mode of
- * the controller, since the palette can always be downloaded seperately.
+ * the controller, since the palette can always be downloaded separately.
  */
 static void load_palette(void)
 {
diff --git a/drivers/video/omap2/displays/panel-generic.c b/drivers/video/omap2/displays/panel-generic.c
index c59e4baed8b2..300eff5de1b4 100644
--- a/drivers/video/omap2/displays/panel-generic.c
+++ b/drivers/video/omap2/displays/panel-generic.c
@@ -116,6 +116,24 @@ static int generic_panel_resume(struct omap_dss_device *dssdev)
 	return 0;
 }
 
+static void generic_panel_set_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	dpi_set_timings(dssdev, timings);
+}
+
+static void generic_panel_get_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	*timings = dssdev->panel.timings;
+}
+
+static int generic_panel_check_timings(struct omap_dss_device *dssdev,
+		struct omap_video_timings *timings)
+{
+	return dpi_check_timings(dssdev, timings);
+}
+
 static struct omap_dss_driver generic_driver = {
 	.probe		= generic_panel_probe,
 	.remove		= generic_panel_remove,
@@ -125,6 +143,10 @@ static struct omap_dss_driver generic_driver = {
 	.suspend	= generic_panel_suspend,
 	.resume		= generic_panel_resume,
 
+	.set_timings	= generic_panel_set_timings,
+	.get_timings	= generic_panel_get_timings,
+	.check_timings	= generic_panel_check_timings,
+
 	.driver         = {
 		.name   = "generic_panel",
 		.owner  = THIS_MODULE,
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index fcd6a61a91eb..59769e85d41c 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -486,6 +486,7 @@ static struct attribute_group taal_attr_group = {
 
 static int taal_probe(struct omap_dss_device *dssdev)
 {
+	struct backlight_properties props;
 	struct taal_data *td;
 	struct backlight_device *bldev;
 	int r;
@@ -520,11 +521,16 @@ static int taal_probe(struct omap_dss_device *dssdev)
 
 	/* if no platform set_backlight() defined, presume DSI backlight
 	 * control */
+	memset(&props, 0, sizeof(struct backlight_properties));
 	if (!dssdev->set_backlight)
 		td->use_dsi_bl = true;
 
+	if (td->use_dsi_bl)
+		props.max_brightness = 255;
+	else
+		props.max_brightness = 127;
 	bldev = backlight_device_register("taal", &dssdev->dev, dssdev,
-			&taal_bl_ops);
+					  &taal_bl_ops, &props);
 	if (IS_ERR(bldev)) {
 		r = PTR_ERR(bldev);
 		goto err2;
@@ -534,13 +540,10 @@ static int taal_probe(struct omap_dss_device *dssdev)
 
 	bldev->props.fb_blank = FB_BLANK_UNBLANK;
 	bldev->props.power = FB_BLANK_UNBLANK;
-	if (td->use_dsi_bl) {
-		bldev->props.max_brightness = 255;
+	if (td->use_dsi_bl)
 		bldev->props.brightness = 255;
-	} else {
-		bldev->props.max_brightness = 127;
+	else
 		bldev->props.brightness = 127;
-	}
 
 	taal_bl_update_status(bldev);
 
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c
index 8254a4232a53..54344184dd73 100644
--- a/drivers/video/omap2/dss/dss.c
+++ b/drivers/video/omap2/dss/dss.c
@@ -590,6 +590,9 @@ int dss_init(bool skip_init)
 		}
 	}
 
+	dss.dsi_clk_source = DSS_SRC_DSS1_ALWON_FCLK;
+	dss.dispc_clk_source = DSS_SRC_DSS1_ALWON_FCLK;
+
 	dss_save_context();
 
 	rev = dss_read_reg(DSS_REVISION);
diff --git a/drivers/video/omap2/dss/manager.c b/drivers/video/omap2/dss/manager.c
index 913142d4cab1..9acef00c47ea 100644
--- a/drivers/video/omap2/dss/manager.c
+++ b/drivers/video/omap2/dss/manager.c
@@ -341,7 +341,7 @@ static ssize_t manager_attr_store(struct kobject *kobj, struct attribute *attr,
 	return manager_attr->store(manager, buf, size);
 }
 
-static struct sysfs_ops manager_sysfs_ops = {
+static const struct sysfs_ops manager_sysfs_ops = {
 	.show = manager_attr_show,
 	.store = manager_attr_store,
 };
diff --git a/drivers/video/omap2/dss/overlay.c b/drivers/video/omap2/dss/overlay.c
index 0c5bea263ac6..aed3f3194347 100644
--- a/drivers/video/omap2/dss/overlay.c
+++ b/drivers/video/omap2/dss/overlay.c
@@ -320,7 +320,7 @@ static ssize_t overlay_attr_store(struct kobject *kobj, struct attribute *attr,
 	return overlay_attr->store(overlay, buf, size);
 }
 
-static struct sysfs_ops overlay_sysfs_ops = {
+static const struct sysfs_ops overlay_sysfs_ops = {
 	.show = overlay_attr_show,
 	.store = overlay_attr_store,
 };
diff --git a/drivers/video/omap2/vram.c b/drivers/video/omap2/vram.c
index 55a4de5e5d10..b266ffae0bde 100644
--- a/drivers/video/omap2/vram.c
+++ b/drivers/video/omap2/vram.c
@@ -511,13 +511,14 @@ static u32 omap_vram_sdram_size __initdata;
 static u32 omap_vram_def_sdram_size __initdata;
 static u32 omap_vram_def_sdram_start __initdata;
 
-static void __init omap_vram_early_vram(char **p)
+static int __init omap_vram_early_vram(char *p)
 {
-	omap_vram_def_sdram_size = memparse(*p, p);
-	if (**p == ',')
-		omap_vram_def_sdram_start = simple_strtoul((*p) + 1, p, 16);
+	omap_vram_def_sdram_size = memparse(p, &p);
+	if (*p == ',')
+		omap_vram_def_sdram_start = simple_strtoul(p + 1, &p, 16);
+	return 0;
 }
-__early_param("vram=", omap_vram_early_vram);
+early_param("vram", omap_vram_early_vram);
 
 /*
  * Called from map_io. We need to call to this early enough so that we
diff --git a/drivers/video/pm2fb.c b/drivers/video/pm2fb.c
index 36436ee6c1a4..27f93aab6ddc 100644
--- a/drivers/video/pm2fb.c
+++ b/drivers/video/pm2fb.c
@@ -896,7 +896,7 @@ static int pm2fb_setcolreg(unsigned regno, unsigned red, unsigned green,
 	 * Pseudocolor:
 	 *    uses offset = 0 && length = DAC register width.
 	 *    var->{color}.offset is 0
-	 *    var->{color}.length contains widht of DAC
+	 *    var->{color}.length contains width of DAC
 	 *    cmap is not used
 	 *    DAC[X] is programmed to (red, green, blue)
 	 * Truecolor:
diff --git a/drivers/video/pxa168fb.c b/drivers/video/pxa168fb.c
index 75285d3f393c..c91a7f70f7b0 100644
--- a/drivers/video/pxa168fb.c
+++ b/drivers/video/pxa168fb.c
@@ -668,7 +668,7 @@ static int __init pxa168fb_probe(struct platform_device *pdev)
 	/*
 	 * Map LCD controller registers.
 	 */
-	fbi->reg_base = ioremap_nocache(res->start, res->end - res->start);
+	fbi->reg_base = ioremap_nocache(res->start, resource_size(res));
 	if (fbi->reg_base == NULL) {
 		ret = -ENOMEM;
 		goto failed;
diff --git a/drivers/video/q40fb.c b/drivers/video/q40fb.c
index 4beac1df617b..de40a626dc76 100644
--- a/drivers/video/q40fb.c
+++ b/drivers/video/q40fb.c
@@ -85,7 +85,7 @@ static struct fb_ops q40fb_ops = {
 	.fb_imageblit	= cfb_imageblit,
 };
 
-static int __init q40fb_probe(struct platform_device *dev)
+static int __devinit q40fb_probe(struct platform_device *dev)
 {
 	struct fb_info *info;
 
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index d94c57ffbdb1..618f36bec10d 100644
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -338,6 +338,7 @@ static struct backlight_ops riva_bl_ops = {
 
 static void riva_bl_init(struct riva_par *par)
 {
+	struct backlight_properties props;
 	struct fb_info *info = pci_get_drvdata(par->pdev);
 	struct backlight_device *bd;
 	char name[12];
@@ -353,7 +354,10 @@ static void riva_bl_init(struct riva_par *par)
 
 	snprintf(name, sizeof(name), "rivabl%d", info->node);
 
-	bd = backlight_device_register(name, info->dev, par, &riva_bl_ops);
+	memset(&props, 0, sizeof(struct backlight_properties));
+	props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
+	bd = backlight_device_register(name, info->dev, par, &riva_bl_ops,
+				       &props);
 	if (IS_ERR(bd)) {
 		info->bl_dev = NULL;
 		printk(KERN_WARNING "riva: Backlight registration failed\n");
@@ -365,7 +369,6 @@ static void riva_bl_init(struct riva_par *par)
 		MIN_LEVEL * FB_BACKLIGHT_MAX / MAX_LEVEL,
 		FB_BACKLIGHT_MAX);
 
-	bd->props.max_brightness = FB_BACKLIGHT_LEVELS - 1;
 	bd->props.brightness = bd->props.max_brightness;
 	bd->props.power = FB_BLANK_UNBLANK;
 	backlight_update_status(bd);
diff --git a/drivers/video/s1d13xxxfb.c b/drivers/video/s1d13xxxfb.c
index 0deb0a8867b7..7b63429f1a7c 100644
--- a/drivers/video/s1d13xxxfb.c
+++ b/drivers/video/s1d13xxxfb.c
@@ -517,12 +517,12 @@ s1d13xxxfb_bitblt_copyarea(struct fb_info *info, const struct fb_copyarea *area)
 		src = (sy * stride) + (bpp * sx);
 	}
 
-	/* set source adress */
+	/* set source address */
 	s1d13xxxfb_writereg(info->par, S1DREG_BBLT_SRC_START0, (src & 0xff));
 	s1d13xxxfb_writereg(info->par, S1DREG_BBLT_SRC_START1, (src >> 8) & 0x00ff);
 	s1d13xxxfb_writereg(info->par, S1DREG_BBLT_SRC_START2, (src >> 16) & 0x00ff);
 
-	/* set destination adress */
+	/* set destination address */
 	s1d13xxxfb_writereg(info->par, S1DREG_BBLT_DST_START0, (dst & 0xff));
 	s1d13xxxfb_writereg(info->par, S1DREG_BBLT_DST_START1, (dst >> 8) & 0x00ff);
 	s1d13xxxfb_writereg(info->par, S1DREG_BBLT_DST_START2, (dst >> 16) & 0x00ff);
diff --git a/drivers/video/s3c2410fb.c b/drivers/video/s3c2410fb.c
index aac661225c78..2b094dec4a56 100644
--- a/drivers/video/s3c2410fb.c
+++ b/drivers/video/s3c2410fb.c
@@ -1004,12 +1004,12 @@ dealloc_fb:
 	return ret;
 }
 
-static int __init s3c2410fb_probe(struct platform_device *pdev)
+static int __devinit s3c2410fb_probe(struct platform_device *pdev)
 {
 	return s3c24xxfb_probe(pdev, DRV_S3C2410);
 }
 
-static int __init s3c2412fb_probe(struct platform_device *pdev)
+static int __devinit s3c2412fb_probe(struct platform_device *pdev)
 {
 	return s3c24xxfb_probe(pdev, DRV_S3C2412);
 }
diff --git a/drivers/video/sa1100fb.c b/drivers/video/sa1100fb.c
index cdaa873a6054..e8b76d65a070 100644
--- a/drivers/video/sa1100fb.c
+++ b/drivers/video/sa1100fb.c
@@ -1435,7 +1435,7 @@ static struct sa1100fb_info * __init sa1100fb_init_fbinfo(struct device *dev)
 	return fbi;
 }
 
-static int __init sa1100fb_probe(struct platform_device *pdev)
+static int __devinit sa1100fb_probe(struct platform_device *pdev)
 {
 	struct sa1100fb_info *fbi;
 	int ret, irq;
diff --git a/drivers/video/sgivwfb.c b/drivers/video/sgivwfb.c
index f86012239bff..7a3a5e28eca1 100644
--- a/drivers/video/sgivwfb.c
+++ b/drivers/video/sgivwfb.c
@@ -745,7 +745,7 @@ int __init sgivwfb_setup(char *options)
 /*
  *  Initialisation
  */
-static int __init sgivwfb_probe(struct platform_device *dev)
+static int __devinit sgivwfb_probe(struct platform_device *dev)
 {
 	struct sgivw_par *par;
 	struct fb_info *info;
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 8d7653e56df5..bbd1dbf4026a 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -943,7 +943,7 @@ static const struct dev_pm_ops sh_mobile_lcdc_dev_pm_ops = {
 
 static int sh_mobile_lcdc_remove(struct platform_device *pdev);
 
-static int __init sh_mobile_lcdc_probe(struct platform_device *pdev)
+static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
 {
 	struct fb_info *info;
 	struct sh_mobile_lcdc_priv *priv;
diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c
index 9d2b6bc49036..a531a0f7cdf2 100644
--- a/drivers/video/sis/sis_main.c
+++ b/drivers/video/sis/sis_main.c
@@ -1891,9 +1891,6 @@ static struct fb_ops sisfb_ops = {
 	.fb_fillrect	= fbcon_sis_fillrect,
 	.fb_copyarea	= fbcon_sis_copyarea,
 	.fb_imageblit	= cfb_imageblit,
-#ifdef CONFIG_FB_SOFT_CURSOR
-	.fb_cursor	= soft_cursor,
-#endif
 	.fb_sync	= fbcon_sis_sync,
 #ifdef SIS_NEW_CONFIG_COMPAT
 	.fb_compat_ioctl= sisfb_ioctl,
diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c
index 35370d0ecf03..b7dc1800efa9 100644
--- a/drivers/video/sm501fb.c
+++ b/drivers/video/sm501fb.c
@@ -411,7 +411,7 @@ static int sm501fb_set_par_common(struct fb_info *info,
 	struct sm501fb_par  *par = info->par;
 	struct sm501fb_info *fbi = par->info;
 	unsigned long pixclock;      /* pixelclock in Hz */
-	unsigned long sm501pixclock; /* pixelclock the 501 can achive in Hz */
+	unsigned long sm501pixclock; /* pixelclock the 501 can achieve in Hz */
 	unsigned int mem_type;
 	unsigned int clock_type;
 	unsigned int head_addr;
diff --git a/drivers/video/sstfb.c b/drivers/video/sstfb.c
index 609d0a521ca2..79840f11fecb 100644
--- a/drivers/video/sstfb.c
+++ b/drivers/video/sstfb.c
@@ -1102,7 +1102,7 @@ static void sst_set_vidmod_ics(struct fb_info *info, const int bpp)
  * detect dac type
  * prerequisite : write to FbiInitx enabled, video and fbi and pci fifo reset,
  * dram refresh disabled, FbiInit remaped.
- * TODO: mmh.. maybe i shoud put the "prerequisite" in the func ...
+ * TODO: mmh.. maybe i should put the "prerequisite" in the func ...
  */
 
 
diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c
index bd37ee1f6a25..ef4128c8e57a 100644
--- a/drivers/video/vesafb.c
+++ b/drivers/video/vesafb.c
@@ -226,7 +226,7 @@ static int __init vesafb_setup(char *options)
 	return 0;
 }
 
-static int __init vesafb_probe(struct platform_device *dev)
+static int __devinit vesafb_probe(struct platform_device *dev)
 {
 	struct fb_info *info;
 	int i, err;
diff --git a/drivers/video/vfb.c b/drivers/video/vfb.c
index 050d432c7d95..b8ab995fbda7 100644
--- a/drivers/video/vfb.c
+++ b/drivers/video/vfb.c
@@ -479,7 +479,7 @@ static int __init vfb_setup(char *options)
      *  Initialisation
      */
 
-static int __init vfb_probe(struct platform_device *dev)
+static int __devinit vfb_probe(struct platform_device *dev)
 {
 	struct fb_info *info;
 	int retval = -ENOMEM;
diff --git a/drivers/video/vga16fb.c b/drivers/video/vga16fb.c
index 5b2938903ac2..76d8dae5b1bb 100644
--- a/drivers/video/vga16fb.c
+++ b/drivers/video/vga16fb.c
@@ -1293,7 +1293,7 @@ static int vga16fb_setup(char *options)
 }
 #endif
 
-static int __init vga16fb_probe(struct platform_device *dev)
+static int __devinit vga16fb_probe(struct platform_device *dev)
 {
 	struct fb_info *info;
 	struct vga16fb_par *par;
diff --git a/drivers/video/via/Makefile b/drivers/video/via/Makefile
index e533b4b6aba4..eeed238ad6a2 100644
--- a/drivers/video/via/Makefile
+++ b/drivers/video/via/Makefile
@@ -4,4 +4,4 @@
 
 obj-$(CONFIG_FB_VIA) += viafb.o
 
-viafb-y	:=viafbdev.o hw.o iface.o  via_i2c.o dvi.o lcd.o ioctl.o accel.o via_utility.o vt1636.o global.o tblDPASetting.o viamode.o tbl1636.o
+viafb-y	:=viafbdev.o hw.o via_i2c.o dvi.o lcd.o ioctl.o accel.o via_utility.o vt1636.o global.o tblDPASetting.o viamode.o tbl1636.o
diff --git a/drivers/video/via/chip.h b/drivers/video/via/chip.h
index 474f428aea92..8c06bd3c0b4d 100644
--- a/drivers/video/via/chip.h
+++ b/drivers/video/via/chip.h
@@ -107,7 +107,6 @@
 struct tmds_chip_information {
 	int tmds_chip_name;
 	int tmds_chip_slave_addr;
-	int dvi_panel_id;
 	int data_mode;
 	int output_interface;
 	int i2c_port;
@@ -142,14 +141,9 @@ struct tmds_setting_information {
 	int iga_path;
 	int h_active;
 	int v_active;
-	int bpp;
-	int refresh_rate;
-	int get_dvi_size_method;
 	int max_pixel_clock;
-	int dvi_panel_size;
-	int dvi_panel_hres;
-	int dvi_panel_vres;
-	int native_size;
+	int max_hres;
+	int max_vres;
 };
 
 struct lvds_setting_information {
@@ -160,7 +154,6 @@ struct lvds_setting_information {
 	int refresh_rate;
 	int get_lcd_size_method;
 	int lcd_panel_id;
-	int lcd_panel_size;
 	int lcd_panel_hres;
 	int lcd_panel_vres;
 	int display_method;
diff --git a/drivers/video/via/dvi.c b/drivers/video/via/dvi.c
index 67b36932212b..abe59b8c7a05 100644
--- a/drivers/video/via/dvi.c
+++ b/drivers/video/via/dvi.c
@@ -23,11 +23,10 @@
 static void tmds_register_write(int index, u8 data);
 static int tmds_register_read(int index);
 static int tmds_register_read_bytes(int index, u8 *buff, int buff_len);
-static int check_reduce_blanking_mode(int mode_index,
-	int refresh_rate);
-static int dvi_get_panel_size_from_DDCv1(void);
-static int dvi_get_panel_size_from_DDCv2(void);
-static unsigned char dvi_get_panel_info(void);
+static void dvi_get_panel_size_from_DDCv1(struct tmds_chip_information
+	*tmds_chip, struct tmds_setting_information *tmds_setting);
+static void dvi_get_panel_size_from_DDCv2(struct tmds_chip_information
+	*tmds_chip, struct tmds_setting_information *tmds_setting);
 static int viafb_dvi_query_EDID(void);
 
 static int check_tmds_chip(int device_id_subaddr, int device_id)
@@ -38,23 +37,24 @@ static int check_tmds_chip(int device_id_subaddr, int device_id)
 		return FAIL;
 }
 
-void viafb_init_dvi_size(void)
+void viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,
+	struct tmds_setting_information *tmds_setting)
 {
 	DEBUG_MSG(KERN_INFO "viafb_init_dvi_size()\n");
-	DEBUG_MSG(KERN_INFO
-		"viaparinfo->tmds_setting_info->get_dvi_size_method %d\n",
-		  viaparinfo->tmds_setting_info->get_dvi_size_method);
 
-	switch (viaparinfo->tmds_setting_info->get_dvi_size_method) {
-	case GET_DVI_SIZE_BY_SYSTEM_BIOS:
+	viafb_dvi_sense();
+	switch (viafb_dvi_query_EDID()) {
+	case 1:
+		dvi_get_panel_size_from_DDCv1(tmds_chip, tmds_setting);
 		break;
-	case GET_DVI_SZIE_BY_HW_STRAPPING:
+	case 2:
+		dvi_get_panel_size_from_DDCv2(tmds_chip, tmds_setting);
 		break;
-	case GET_DVI_SIZE_BY_VGA_BIOS:
 	default:
-		dvi_get_panel_info();
+		printk(KERN_WARNING "viafb_init_dvi_size: DVI panel size undetected!\n");
 		break;
 	}
+
 	return;
 }
 
@@ -189,42 +189,14 @@ static int tmds_register_read_bytes(int index, u8 *buff, int buff_len)
 	return 0;
 }
 
-static int check_reduce_blanking_mode(int mode_index,
-	int refresh_rate)
-{
-	if (refresh_rate != 60)
-		return false;
-
-	switch (mode_index) {
-		/* Following modes have reduce blanking mode. */
-	case VIA_RES_1360X768:
-	case VIA_RES_1400X1050:
-	case VIA_RES_1440X900:
-	case VIA_RES_1600X900:
-	case VIA_RES_1680X1050:
-	case VIA_RES_1920X1080:
-	case VIA_RES_1920X1200:
-		break;
-
-	default:
-		DEBUG_MSG(KERN_INFO
-			  "This dvi mode %d have no reduce blanking mode!\n",
-			  mode_index);
-		return false;
-	}
-
-	return true;
-}
-
 /* DVI Set Mode */
-void viafb_dvi_set_mode(int video_index, int mode_bpp, int set_iga)
+void viafb_dvi_set_mode(struct VideoModeTable *mode, int mode_bpp,
+	int set_iga)
 {
-	struct VideoModeTable *videoMode = NULL;
+	struct VideoModeTable *rb_mode;
 	struct crt_mode_table *pDviTiming;
 	unsigned long desirePixelClock, maxPixelClock;
-	int status = 0;
-	videoMode = viafb_get_modetbl_pointer(video_index);
-	pDviTiming = videoMode->crtc;
+	pDviTiming = mode->crtc;
 	desirePixelClock = pDviTiming->clk / 1000000;
 	maxPixelClock = (unsigned long)viaparinfo->
 		tmds_setting_info->max_pixel_clock;
@@ -232,20 +204,14 @@ void viafb_dvi_set_mode(int video_index, int mode_bpp, int set_iga)
 	DEBUG_MSG(KERN_INFO "\nDVI_set_mode!!\n");
 
 	if ((maxPixelClock != 0) && (desirePixelClock > maxPixelClock)) {
-		/*Check if reduce-blanking mode is exist */
-		status =
-		    check_reduce_blanking_mode(video_index,
-					       pDviTiming->refresh_rate);
-		if (status) {
-			video_index += 100;	/*Use reduce-blanking mode */
-			videoMode = viafb_get_modetbl_pointer(video_index);
-			pDviTiming = videoMode->crtc;
-			DEBUG_MSG(KERN_INFO
-				  "DVI use reduce blanking mode %d!!\n",
-				  video_index);
+		rb_mode = viafb_get_rb_mode(mode->crtc[0].crtc.hor_addr,
+			mode->crtc[0].crtc.ver_addr);
+		if (rb_mode) {
+			mode = rb_mode;
+			pDviTiming = rb_mode->crtc;
 		}
 	}
-	viafb_fill_crtc_timing(pDviTiming, video_index, mode_bpp / 8, set_iga);
+	viafb_fill_crtc_timing(pDviTiming, mode, mode_bpp / 8, set_iga);
 	viafb_set_output_path(DEVICE_DVI, set_iga,
 			viaparinfo->chip_info->tmds_chip_info.output_interface);
 }
@@ -350,25 +316,18 @@ static int viafb_dvi_query_EDID(void)
 		return false;
 }
 
-/*
- *
- * int dvi_get_panel_size_from_DDCv1(void)
- *
- *     - Get Panel Size Using EDID1 Table
- *
- * Return Type:    int
- *
- */
-static int dvi_get_panel_size_from_DDCv1(void)
+/* Get Panel Size Using EDID1 Table */
+static void dvi_get_panel_size_from_DDCv1(struct tmds_chip_information
+	*tmds_chip, struct tmds_setting_information *tmds_setting)
 {
-	int i, max_h = 0, max_v = 0, tmp, restore;
+	int i, max_h = 0, tmp, restore;
 	unsigned char rData;
 	unsigned char EDID_DATA[18];
 
 	DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv1 \n");
 
-	restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr;
-	viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA0;
+	restore = tmds_chip->tmds_chip_slave_addr;
+	tmds_chip->tmds_chip_slave_addr = 0xA0;
 
 	rData = tmds_register_read(0x23);
 	if (rData & 0x3C)
@@ -414,8 +373,8 @@ static int dvi_get_panel_size_from_DDCv1(void)
 				/* The first two byte must be zero. */
 				if (EDID_DATA[3] == 0xFD) {
 					/* To get max pixel clock. */
-					viaparinfo->tmds_setting_info->
-					max_pixel_clock = EDID_DATA[9] * 10;
+					tmds_setting->max_pixel_clock =
+						EDID_DATA[9] * 10;
 				}
 			}
 			break;
@@ -425,154 +384,88 @@ static int dvi_get_panel_size_from_DDCv1(void)
 		}
 	}
 
+	tmds_setting->max_hres = max_h;
 	switch (max_h) {
 	case 640:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_640X480;
+		tmds_setting->max_vres = 480;
 		break;
 	case 800:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_800X600;
+		tmds_setting->max_vres = 600;
 		break;
 	case 1024:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_1024X768;
+		tmds_setting->max_vres = 768;
 		break;
 	case 1280:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_1280X1024;
+		tmds_setting->max_vres = 1024;
 		break;
 	case 1400:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_1400X1050;
+		tmds_setting->max_vres = 1050;
 		break;
 	case 1440:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_1440X1050;
+		tmds_setting->max_vres = 1050;
 		break;
 	case 1600:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_1600X1200;
+		tmds_setting->max_vres = 1200;
 		break;
 	case 1920:
-		if (max_v == 1200) {
-			viaparinfo->tmds_setting_info->dvi_panel_size =
-				VIA_RES_1920X1200;
-		} else {
-			viaparinfo->tmds_setting_info->dvi_panel_size =
-				VIA_RES_1920X1080;
-		}
-
+		tmds_setting->max_vres = 1080;
 		break;
 	default:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_1024X768;
-		DEBUG_MSG(KERN_INFO "Unknown panel size max resolution = %d !\
-					 set default panel size.\n", max_h);
+		DEBUG_MSG(KERN_INFO "Unknown panel size max resolution = %d ! "
+					 "set default panel size.\n", max_h);
 		break;
 	}
 
 	DEBUG_MSG(KERN_INFO "DVI max pixelclock = %d\n",
-		  viaparinfo->tmds_setting_info->max_pixel_clock);
-	viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore;
-	return viaparinfo->tmds_setting_info->dvi_panel_size;
+		tmds_setting->max_pixel_clock);
+	tmds_chip->tmds_chip_slave_addr = restore;
 }
 
-/*
- *
- * int dvi_get_panel_size_from_DDCv2(void)
- *
- *     - Get Panel Size Using EDID2 Table
- *
- * Return Type:    int
- *
- */
-static int dvi_get_panel_size_from_DDCv2(void)
+/* Get Panel Size Using EDID2 Table */
+static void dvi_get_panel_size_from_DDCv2(struct tmds_chip_information
+	*tmds_chip, struct tmds_setting_information *tmds_setting)
 {
-	int HSize = 0, restore;
+	int restore;
 	unsigned char R_Buffer[2];
 
 	DEBUG_MSG(KERN_INFO "\n dvi_get_panel_size_from_DDCv2 \n");
 
-	restore = viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr;
-	viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = 0xA2;
+	restore = tmds_chip->tmds_chip_slave_addr;
+	tmds_chip->tmds_chip_slave_addr = 0xA2;
 
 	/* Horizontal: 0x76, 0x77 */
 	tmds_register_read_bytes(0x76, R_Buffer, 2);
-	HSize = R_Buffer[0];
-	HSize += R_Buffer[1] << 8;
+	tmds_setting->max_hres = R_Buffer[0] + (R_Buffer[1] << 8);
 
-	switch (HSize) {
+	switch (tmds_setting->max_hres) {
 	case 640:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_640X480;
+		tmds_setting->max_vres = 480;
 		break;
 	case 800:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_800X600;
+		tmds_setting->max_vres = 600;
 		break;
 	case 1024:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_1024X768;
+		tmds_setting->max_vres = 768;
 		break;
 	case 1280:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_1280X1024;
+		tmds_setting->max_vres = 1024;
 		break;
 	case 1400:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_1400X1050;
+		tmds_setting->max_vres = 1050;
 		break;
 	case 1440:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_1440X1050;
+		tmds_setting->max_vres = 1050;
 		break;
 	case 1600:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_1600X1200;
-		break;
-	default:
-		viaparinfo->tmds_setting_info->dvi_panel_size =
-			VIA_RES_1024X768;
-		DEBUG_MSG(KERN_INFO "Unknown panel size max resolution = %d!\
-					set default panel size.\n", HSize);
-		break;
-	}
-
-	viaparinfo->chip_info->tmds_chip_info.tmds_chip_slave_addr = restore;
-	return viaparinfo->tmds_setting_info->dvi_panel_size;
-}
-
-/*
- *
- * unsigned char dvi_get_panel_info(void)
- *
- *     - Get Panel Size
- *
- * Return Type:    unsigned char
- */
-static unsigned char dvi_get_panel_info(void)
-{
-	unsigned char dvipanelsize;
-	DEBUG_MSG(KERN_INFO "dvi_get_panel_info! \n");
-
-	viafb_dvi_sense();
-	switch (viafb_dvi_query_EDID()) {
-	case 1:
-		dvi_get_panel_size_from_DDCv1();
-		break;
-	case 2:
-		dvi_get_panel_size_from_DDCv2();
+		tmds_setting->max_vres = 1200;
 		break;
 	default:
+		DEBUG_MSG(KERN_INFO "Unknown panel size max resolution = %d! "
+			"set default panel size.\n", tmds_setting->max_hres);
 		break;
 	}
 
-	DEBUG_MSG(KERN_INFO "dvi panel size is %2d \n",
-		  viaparinfo->tmds_setting_info->dvi_panel_size);
-	dvipanelsize = (unsigned char)(viaparinfo->
-		tmds_setting_info->dvi_panel_size);
-	return dvipanelsize;
+	tmds_chip->tmds_chip_slave_addr = restore;
 }
 
 /* If Disable DVI, turn off pad */
diff --git a/drivers/video/via/dvi.h b/drivers/video/via/dvi.h
index e1ec37fb0dc3..0dffcfd395f3 100644
--- a/drivers/video/via/dvi.h
+++ b/drivers/video/via/dvi.h
@@ -53,12 +53,13 @@
 #define     DEV_CONNECT_DVI     0x01
 #define     DEV_CONNECT_HDMI    0x02
 
-struct VideoModeTable *viafb_get_cea_mode_tbl_pointer(int Index);
 int viafb_dvi_sense(void);
 void viafb_dvi_disable(void);
 void viafb_dvi_enable(void);
 int viafb_tmds_trasmitter_identify(void);
-void viafb_init_dvi_size(void);
-void viafb_dvi_set_mode(int video_index, int mode_bpp, int set_iga);
+void viafb_init_dvi_size(struct tmds_chip_information *tmds_chip,
+	struct tmds_setting_information *tmds_setting);
+void viafb_dvi_set_mode(struct VideoModeTable *videoMode, int mode_bpp,
+	int set_iga);
 
 #endif /* __DVI_H__ */
diff --git a/drivers/video/via/global.c b/drivers/video/via/global.c
index b675cdbb03ad..1ee511b73307 100644
--- a/drivers/video/via/global.c
+++ b/drivers/video/via/global.c
@@ -23,15 +23,12 @@ int viafb_platform_epia_dvi = STATE_OFF;
 int viafb_device_lcd_dualedge = STATE_OFF;
 int viafb_bus_width = 12;
 int viafb_display_hardware_layout = HW_LAYOUT_LCD_DVI;
-int viafb_memsize;
 int viafb_DeviceStatus = CRT_Device;
 int viafb_hotplug;
 int viafb_refresh = 60;
 int viafb_refresh1 = 60;
 int viafb_lcd_dsp_method = LCD_EXPANDSION;
 int viafb_lcd_mode = LCD_OPENLDI;
-int viafb_bpp = 32;
-int viafb_bpp1 = 32;
 int viafb_CRT_ON = 1;
 int viafb_DVI_ON;
 int viafb_LCD_ON ;
@@ -42,8 +39,6 @@ int viafb_hotplug_Xres = 640;
 int viafb_hotplug_Yres = 480;
 int viafb_hotplug_bpp = 32;
 int viafb_hotplug_refresh = 60;
-unsigned int viafb_second_offset;
-int viafb_second_size;
 int viafb_primary_dev = None_Device;
 unsigned int viafb_second_xres = 640;
 unsigned int viafb_second_yres = 480;
diff --git a/drivers/video/via/global.h b/drivers/video/via/global.h
index d69d0ca99c2f..8d95d5fd1388 100644
--- a/drivers/video/via/global.h
+++ b/drivers/video/via/global.h
@@ -35,7 +35,6 @@
 
 #include "debug.h"
 
-#include "iface.h"
 #include "viafbdev.h"
 #include "chip.h"
 #include "accel.h"
@@ -68,8 +67,6 @@ extern int viafb_refresh;
 extern int viafb_refresh1;
 extern int viafb_lcd_dsp_method;
 extern int viafb_lcd_mode;
-extern int viafb_bpp;
-extern int viafb_bpp1;
 
 extern int viafb_CRT_ON;
 extern int viafb_hotplug_Xres;
diff --git a/drivers/video/via/hw.c b/drivers/video/via/hw.c
index 3e083ff67ae2..f2583b1b527f 100644
--- a/drivers/video/via/hw.c
+++ b/drivers/video/via/hw.c
@@ -524,7 +524,6 @@ static void dvi_patch_skew_dvp1(void);
 static void dvi_patch_skew_dvp_low(void);
 static void set_dvi_output_path(int set_iga, int output_interface);
 static void set_lcd_output_path(int set_iga, int output_interface);
-static int search_mode_setting(int ModeInfoIndex);
 static void load_fix_bit_crtc_reg(void);
 static void init_gfx_chip_info(struct pci_dev *pdev,
 				const struct pci_device_id *pdi);
@@ -686,6 +685,84 @@ void viafb_set_secondary_pitch(u32 pitch)
 	viafb_write_reg_mask(0x71, VIACR, (pitch >> (10 - 7)) & 0x80, 0x80);
 }
 
+void viafb_set_primary_color_depth(u8 depth)
+{
+	u8 value;
+
+	DEBUG_MSG(KERN_DEBUG "viafb_set_primary_color_depth(%d)\n", depth);
+	switch (depth) {
+	case 8:
+		value = 0x00;
+		break;
+	case 15:
+		value = 0x04;
+		break;
+	case 16:
+		value = 0x14;
+		break;
+	case 24:
+		value = 0x0C;
+		break;
+	case 30:
+		value = 0x08;
+		break;
+	default:
+		printk(KERN_WARNING "viafb_set_primary_color_depth: "
+			"Unsupported depth: %d\n", depth);
+		return;
+	}
+
+	viafb_write_reg_mask(0x15, VIASR, value, 0x1C);
+}
+
+void viafb_set_secondary_color_depth(u8 depth)
+{
+	u8 value;
+
+	DEBUG_MSG(KERN_DEBUG "viafb_set_secondary_color_depth(%d)\n", depth);
+	switch (depth) {
+	case 8:
+		value = 0x00;
+		break;
+	case 16:
+		value = 0x40;
+		break;
+	case 24:
+		value = 0xC0;
+		break;
+	case 30:
+		value = 0x80;
+		break;
+	default:
+		printk(KERN_WARNING "viafb_set_secondary_color_depth: "
+			"Unsupported depth: %d\n", depth);
+		return;
+	}
+
+	viafb_write_reg_mask(0x67, VIACR, value, 0xC0);
+}
+
+static void set_color_register(u8 index, u8 red, u8 green, u8 blue)
+{
+	outb(0xFF, 0x3C6); /* bit mask of palette */
+	outb(index, 0x3C8);
+	outb(red, 0x3C9);
+	outb(green, 0x3C9);
+	outb(blue, 0x3C9);
+}
+
+void viafb_set_primary_color_register(u8 index, u8 red, u8 green, u8 blue)
+{
+	viafb_write_reg_mask(0x1A, VIASR, 0x00, 0x01);
+	set_color_register(index, red, green, blue);
+}
+
+void viafb_set_secondary_color_register(u8 index, u8 red, u8 green, u8 blue)
+{
+	viafb_write_reg_mask(0x1A, VIASR, 0x01, 0x01);
+	set_color_register(index, red, green, blue);
+}
+
 void viafb_set_output_path(int device, int set_iga, int output_interface)
 {
 	switch (device) {
@@ -710,11 +787,8 @@ static void set_crt_output_path(int set_iga)
 		viafb_write_reg_mask(SR16, VIASR, 0x00, BIT6);
 		break;
 	case IGA2:
-	case IGA1_IGA2:
 		viafb_write_reg_mask(CR6A, VIACR, 0xC0, BIT6 + BIT7);
 		viafb_write_reg_mask(SR16, VIASR, 0x40, BIT6);
-		if (set_iga == IGA1_IGA2)
-			viafb_write_reg_mask(CR6B, VIACR, 0x08, BIT3);
 		break;
 	}
 }
@@ -904,13 +978,6 @@ static void set_lcd_output_path(int set_iga, int output_interface)
 
 		enable_second_display_channel();
 		break;
-
-	case IGA1_IGA2:
-		viafb_write_reg_mask(CR6B, VIACR, 0x08, BIT3);
-		viafb_write_reg_mask(CR6A, VIACR, 0x08, BIT3);
-
-		disable_second_display_channel();
-		break;
 	}
 
 	switch (output_interface) {
@@ -987,49 +1054,6 @@ static void set_lcd_output_path(int set_iga, int output_interface)
 	}
 }
 
-/* Search Mode Index */
-static int search_mode_setting(int ModeInfoIndex)
-{
-	int i = 0;
-
-	while ((i < NUM_TOTAL_MODETABLE) &&
-			(ModeInfoIndex != CLE266Modes[i].ModeIndex))
-		i++;
-	if (i >= NUM_TOTAL_MODETABLE)
-		i = 0;
-	return i;
-
-}
-
-struct VideoModeTable *viafb_get_modetbl_pointer(int Index)
-{
-	struct VideoModeTable *TmpTbl = NULL;
-	TmpTbl = &CLE266Modes[search_mode_setting(Index)];
-	return TmpTbl;
-}
-
-struct VideoModeTable *viafb_get_cea_mode_tbl_pointer(int Index)
-{
-	struct VideoModeTable *TmpTbl = NULL;
-	int i = 0;
-	while ((i < NUM_TOTAL_CEA_MODES) &&
-			(Index != CEA_HDMI_Modes[i].ModeIndex))
-		i++;
-	if ((i < NUM_TOTAL_CEA_MODES))
-		TmpTbl = &CEA_HDMI_Modes[i];
-	 else {
-		/*Still use general timing if don't find CEA timing */
-		i = 0;
-		while ((i < NUM_TOTAL_MODETABLE) &&
-				(Index != CLE266Modes[i].ModeIndex))
-		       i++;
-		if (i >= NUM_TOTAL_MODETABLE)
-			i = 0;
-		TmpTbl = &CLE266Modes[i];
-	}
-	return TmpTbl;
-}
-
 static void load_fix_bit_crtc_reg(void)
 {
 	/* always set to 1 */
@@ -1121,15 +1145,13 @@ void viafb_load_fetch_count_reg(int h_addr, int bpp_byte, int set_iga)
 	struct io_register *reg = NULL;
 
 	switch (set_iga) {
-	case IGA1_IGA2:
 	case IGA1:
 		reg_value = IGA1_FETCH_COUNT_FORMULA(h_addr, bpp_byte);
 		viafb_load_reg_num = fetch_count_reg.
 			iga1_fetch_count_reg.reg_num;
 		reg = fetch_count_reg.iga1_fetch_count_reg.reg;
 		viafb_load_reg(reg_value, viafb_load_reg_num, reg, VIASR);
-		if (set_iga == IGA1)
-			break;
+		break;
 	case IGA2:
 		reg_value = IGA2_FETCH_COUNT_FORMULA(h_addr, bpp_byte);
 		viafb_load_reg_num = fetch_count_reg.
@@ -1499,7 +1521,7 @@ void viafb_set_vclock(u32 CLK, int set_iga)
 	/* H.W. Reset : ON */
 	viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
 
-	if ((set_iga == IGA1) || (set_iga == IGA1_IGA2)) {
+	if (set_iga == IGA1) {
 		/* Change D,N FOR VCLK */
 		switch (viaparinfo->chip_info->gfx_chip_name) {
 		case UNICHROME_CLE266:
@@ -1528,7 +1550,7 @@ void viafb_set_vclock(u32 CLK, int set_iga)
 		}
 	}
 
-	if ((set_iga == IGA2) || (set_iga == IGA1_IGA2)) {
+	if (set_iga == IGA2) {
 		/* Change D,N FOR LCK */
 		switch (viaparinfo->chip_info->gfx_chip_name) {
 		case UNICHROME_CLE266:
@@ -1557,12 +1579,12 @@ void viafb_set_vclock(u32 CLK, int set_iga)
 	viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
 
 	/* Reset PLL */
-	if ((set_iga == IGA1) || (set_iga == IGA1_IGA2)) {
+	if (set_iga == IGA1) {
 		viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1);
 		viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1);
 	}
 
-	if ((set_iga == IGA2) || (set_iga == IGA1_IGA2)) {
+	if (set_iga == IGA2) {
 		viafb_write_reg_mask(SR40, VIASR, 0x01, BIT0);
 		viafb_write_reg_mask(SR40, VIASR, 0x00, BIT0);
 	}
@@ -1805,47 +1827,15 @@ void viafb_load_crtc_timing(struct display_timing device_timing,
 	viafb_lock_crt();
 }
 
-void viafb_set_color_depth(int bpp_byte, int set_iga)
-{
-	if (set_iga == IGA1) {
-		switch (bpp_byte) {
-		case MODE_8BPP:
-			viafb_write_reg_mask(SR15, VIASR, 0x22, 0x7E);
-			break;
-		case MODE_16BPP:
-			viafb_write_reg_mask(SR15, VIASR, 0xB6, 0xFE);
-			break;
-		case MODE_32BPP:
-			viafb_write_reg_mask(SR15, VIASR, 0xAE, 0xFE);
-			break;
-		}
-	} else {
-		switch (bpp_byte) {
-		case MODE_8BPP:
-			viafb_write_reg_mask(CR67, VIACR, 0x00, BIT6 + BIT7);
-			break;
-		case MODE_16BPP:
-			viafb_write_reg_mask(CR67, VIACR, 0x40, BIT6 + BIT7);
-			break;
-		case MODE_32BPP:
-			viafb_write_reg_mask(CR67, VIACR, 0xC0, BIT6 + BIT7);
-			break;
-		}
-	}
-}
-
 void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
-	int mode_index, int bpp_byte, int set_iga)
+	struct VideoModeTable *video_mode, int bpp_byte, int set_iga)
 {
-	struct VideoModeTable *video_mode;
 	struct display_timing crt_reg;
 	int i;
 	int index = 0;
 	int h_addr, v_addr;
 	u32 pll_D_N;
 
-	video_mode = &CLE266Modes[search_mode_setting(mode_index)];
-
 	for (i = 0; i < video_mode->mode_array; i++) {
 		index = i;
 
@@ -1858,8 +1848,10 @@ void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
 
 	/* Mode 640x480 has border, but LCD/DFP didn't have border. */
 	/* So we would delete border. */
-	if ((viafb_LCD_ON | viafb_DVI_ON) && (mode_index == VIA_RES_640X480)
-	    && (viaparinfo->crt_setting_info->refresh_rate == 60)) {
+	if ((viafb_LCD_ON | viafb_DVI_ON)
+	    && video_mode->crtc[0].crtc.hor_addr == 640
+	    && video_mode->crtc[0].crtc.ver_addr == 480
+	    && viaparinfo->crt_setting_info->refresh_rate == 60) {
 		/* The border is 8 pixels. */
 		crt_reg.hor_blank_start = crt_reg.hor_blank_start - 8;
 
@@ -1912,9 +1904,6 @@ void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
 	    && (viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400))
 		viafb_load_FIFO_reg(set_iga, h_addr, v_addr);
 
-	/* load SR Register About Memory and Color part */
-	viafb_set_color_depth(bpp_byte, set_iga);
-
 	pll_D_N = viafb_get_clk_value(crt_table[index].clk);
 	DEBUG_MSG(KERN_INFO "PLL=%x", pll_D_N);
 	viafb_set_vclock(pll_D_N, set_iga);
@@ -1956,9 +1945,6 @@ void viafb_update_device_setting(int hres, int vres,
 
 		viaparinfo->tmds_setting_info->h_active = hres;
 		viaparinfo->tmds_setting_info->v_active = vres;
-		viaparinfo->tmds_setting_info->bpp = bpp;
-		viaparinfo->tmds_setting_info->refresh_rate =
-			vmode_refresh;
 
 		viaparinfo->lvds_setting_info->h_active = hres;
 		viaparinfo->lvds_setting_info->v_active = vres;
@@ -1975,9 +1961,6 @@ void viafb_update_device_setting(int hres, int vres,
 		if (viaparinfo->tmds_setting_info->iga_path == IGA2) {
 			viaparinfo->tmds_setting_info->h_active = hres;
 			viaparinfo->tmds_setting_info->v_active = vres;
-			viaparinfo->tmds_setting_info->bpp = bpp;
-			viaparinfo->tmds_setting_info->refresh_rate =
-				vmode_refresh;
 		}
 
 		if (viaparinfo->lvds_setting_info->iga_path == IGA2) {
@@ -2076,9 +2059,8 @@ static void init_tmds_chip_info(void)
 
 	DEBUG_MSG(KERN_INFO "TMDS Chip = %d\n",
 		  viaparinfo->chip_info->tmds_chip_info.tmds_chip_name);
-	viaparinfo->tmds_setting_info->get_dvi_size_method =
-		GET_DVI_SIZE_BY_VGA_BIOS;
-	viafb_init_dvi_size();
+	viafb_init_dvi_size(&viaparinfo->shared->chip_info.tmds_chip_info,
+		&viaparinfo->shared->tmds_setting_info);
 }
 
 static void init_lvds_chip_info(void)
@@ -2195,28 +2177,19 @@ static void set_display_channel(void)
 	}
 }
 
-int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp,
-	int vmode_index1, int hor_res1, int ver_res1, int video_bpp1)
+int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
+	struct VideoModeTable *vmode_tbl1, int video_bpp1)
 {
 	int i, j;
 	int port;
 	u8 value, index, mask;
-	struct VideoModeTable *vmode_tbl;
 	struct crt_mode_table *crt_timing;
-	struct VideoModeTable *vmode_tbl1 = NULL;
 	struct crt_mode_table *crt_timing1 = NULL;
 
-	DEBUG_MSG(KERN_INFO "Set Mode!!\n");
-	DEBUG_MSG(KERN_INFO
-		  "vmode_index=%d hor_res=%d ver_res=%d video_bpp=%d\n",
-		  vmode_index, hor_res, ver_res, video_bpp);
-
 	device_screen_off();
-	vmode_tbl = &CLE266Modes[search_mode_setting(vmode_index)];
 	crt_timing = vmode_tbl->crtc;
 
 	if (viafb_SAMM_ON == 1) {
-		vmode_tbl1 = &CLE266Modes[search_mode_setting(vmode_index1)];
 		crt_timing1 = vmode_tbl1->crtc;
 	}
 
@@ -2267,12 +2240,11 @@ int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp,
 		outb(VPIT.SR[i - 1], VIASR + 1);
 	}
 
-	viafb_set_primary_address(0);
-	viafb_set_secondary_address(viafb_SAMM_ON ? viafb_second_offset : 0);
+	viafb_write_reg_mask(0x15, VIASR, 0xA2, 0xA2);
 	viafb_set_iga_path();
 
 	/* Write CRTC */
-	viafb_fill_crtc_timing(crt_timing, vmode_index, video_bpp / 8, IGA1);
+	viafb_fill_crtc_timing(crt_timing, vmode_tbl, video_bpp / 8, IGA1);
 
 	/* Write Graphic Controller */
 	for (i = 0; i < StdGR; i++) {
@@ -2292,65 +2264,25 @@ int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp,
 
 	/* Update Patch Register */
 
-	if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
-	    || (viaparinfo->chip_info->gfx_chip_name == UNICHROME_K400)) {
-		for (i = 0; i < NUM_TOTAL_PATCH_MODE; i++) {
-			if (res_patch_table[i].mode_index == vmode_index) {
-				for (j = 0;
-				     j < res_patch_table[i].table_length; j++) {
-					index =
-					    res_patch_table[i].
-					    io_reg_table[j].index;
-					port =
-					    res_patch_table[i].
-					    io_reg_table[j].port;
-					value =
-					    res_patch_table[i].
-					    io_reg_table[j].value;
-					mask =
-					    res_patch_table[i].
-					    io_reg_table[j].mask;
-					viafb_write_reg_mask(index, port, value,
-						       mask);
-				}
-			}
-		}
-	}
-
-	if (viafb_SAMM_ON == 1) {
-		if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266)
-		    || (viaparinfo->chip_info->gfx_chip_name ==
-		    UNICHROME_K400)) {
-			for (i = 0; i < NUM_TOTAL_PATCH_MODE; i++) {
-				if (res_patch_table[i].mode_index ==
-				    vmode_index1) {
-					for (j = 0;
-					     j <
-					     res_patch_table[i].
-					     table_length; j++) {
-						index =
-						    res_patch_table[i].
-						    io_reg_table[j].index;
-						port =
-						    res_patch_table[i].
-						    io_reg_table[j].port;
-						value =
-						    res_patch_table[i].
-						    io_reg_table[j].value;
-						mask =
-						    res_patch_table[i].
-						    io_reg_table[j].mask;
-						viafb_write_reg_mask(index,
-							port, value, mask);
-					}
-				}
-			}
+	if ((viaparinfo->chip_info->gfx_chip_name == UNICHROME_CLE266
+	    || viaparinfo->chip_info->gfx_chip_name == UNICHROME_K400)
+	    && vmode_tbl->crtc[0].crtc.hor_addr == 1024
+	    && vmode_tbl->crtc[0].crtc.ver_addr == 768) {
+		for (j = 0; j < res_patch_table[0].table_length; j++) {
+			index = res_patch_table[0].io_reg_table[j].index;
+			port = res_patch_table[0].io_reg_table[j].port;
+			value = res_patch_table[0].io_reg_table[j].value;
+			mask = res_patch_table[0].io_reg_table[j].mask;
+			viafb_write_reg_mask(index, port, value, mask);
 		}
 	}
 
 	viafb_set_primary_pitch(viafbinfo->fix.line_length);
 	viafb_set_secondary_pitch(viafb_dual_fb ? viafbinfo1->fix.line_length
 		: viafbinfo->fix.line_length);
+	viafb_set_primary_color_depth(viaparinfo->depth);
+	viafb_set_secondary_color_depth(viafb_dual_fb ? viaparinfo1->depth
+		: viaparinfo->depth);
 	/* Update Refresh Rate Setting */
 
 	/* Clear On Screen */
@@ -2359,11 +2291,11 @@ int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp,
 	if (viafb_CRT_ON) {
 		if (viafb_SAMM_ON && (viaparinfo->crt_setting_info->iga_path ==
 			IGA2)) {
-			viafb_fill_crtc_timing(crt_timing1, vmode_index1,
+			viafb_fill_crtc_timing(crt_timing1, vmode_tbl1,
 				video_bpp1 / 8,
 				viaparinfo->crt_setting_info->iga_path);
 		} else {
-			viafb_fill_crtc_timing(crt_timing, vmode_index,
+			viafb_fill_crtc_timing(crt_timing, vmode_tbl,
 				video_bpp / 8,
 				viaparinfo->crt_setting_info->iga_path);
 		}
@@ -2373,7 +2305,7 @@ int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp,
 		/* Patch if set_hres is not 8 alignment (1366) to viafb_setmode
 		to 8 alignment (1368),there is several pixels (2 pixels)
 		on right side of screen. */
-		if (hor_res % 8) {
+		if (vmode_tbl->crtc[0].crtc.hor_addr % 8) {
 			viafb_unlock_crt();
 			viafb_write_reg(CR02, VIACR,
 				viafb_read_reg(VIACR, CR02) - 1);
@@ -2384,14 +2316,14 @@ int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp,
 	if (viafb_DVI_ON) {
 		if (viafb_SAMM_ON &&
 			(viaparinfo->tmds_setting_info->iga_path == IGA2)) {
-			viafb_dvi_set_mode(viafb_get_mode_index
+			viafb_dvi_set_mode(viafb_get_mode
 				     (viaparinfo->tmds_setting_info->h_active,
 				      viaparinfo->tmds_setting_info->
 				      v_active),
 				     video_bpp1, viaparinfo->
 				     tmds_setting_info->iga_path);
 		} else {
-			viafb_dvi_set_mode(viafb_get_mode_index
+			viafb_dvi_set_mode(viafb_get_mode
 				     (viaparinfo->tmds_setting_info->h_active,
 				      viaparinfo->
 				      tmds_setting_info->v_active),
@@ -2445,8 +2377,8 @@ int viafb_setmode(int vmode_index, int hor_res, int ver_res, int video_bpp,
 
 	/* If set mode normally, save resolution information for hot-plug . */
 	if (!viafb_hotplug) {
-		viafb_hotplug_Xres = hor_res;
-		viafb_hotplug_Yres = ver_res;
+		viafb_hotplug_Xres = vmode_tbl->crtc[0].crtc.hor_addr;
+		viafb_hotplug_Yres = vmode_tbl->crtc[0].crtc.ver_addr;
 		viafb_hotplug_bpp = video_bpp;
 		viafb_hotplug_refresh = viafb_refresh;
 
@@ -2706,13 +2638,11 @@ void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\
 
 /*According var's xres, yres fill var's other timing information*/
 void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
-			  int mode_index)
+	struct VideoModeTable *vmode_tbl)
 {
-	struct VideoModeTable *vmode_tbl = NULL;
 	struct crt_mode_table *crt_timing = NULL;
 	struct display_timing crt_reg;
 	int i = 0, index = 0;
-	vmode_tbl = &CLE266Modes[search_mode_setting(mode_index)];
 	crt_timing = vmode_tbl->crtc;
 	for (i = 0; i < vmode_tbl->mode_array; i++) {
 		index = i;
@@ -2721,36 +2651,6 @@ void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
 	}
 
 	crt_reg = crt_timing[index].crtc;
-	switch (var->bits_per_pixel) {
-	case 8:
-		var->red.offset = 0;
-		var->green.offset = 0;
-		var->blue.offset = 0;
-		var->red.length = 6;
-		var->green.length = 6;
-		var->blue.length = 6;
-		break;
-	case 16:
-		var->red.offset = 11;
-		var->green.offset = 5;
-		var->blue.offset = 0;
-		var->red.length = 5;
-		var->green.length = 6;
-		var->blue.length = 5;
-		break;
-	case 32:
-		var->red.offset = 16;
-		var->green.offset = 8;
-		var->blue.offset = 0;
-		var->red.length = 8;
-		var->green.length = 8;
-		var->blue.length = 8;
-		break;
-	default:
-		/* never happed, put here to keep consistent */
-		break;
-	}
-
 	var->pixclock = viafb_get_pixclock(var->xres, var->yres, refresh);
 	var->left_margin =
 	    crt_reg.hor_total - (crt_reg.hor_sync_start + crt_reg.hor_sync_end);
diff --git a/drivers/video/via/hw.h b/drivers/video/via/hw.h
index b874d952b446..12ef32d334cb 100644
--- a/drivers/video/via/hw.h
+++ b/drivers/video/via/hw.h
@@ -22,6 +22,7 @@
 #ifndef __HW_H__
 #define __HW_H__
 
+#include "viamode.h"
 #include "global.h"
 
 /***************************************************
@@ -862,8 +863,6 @@ struct pci_device_id_info {
 };
 
 extern unsigned int viafb_second_virtual_xres;
-extern unsigned int viafb_second_offset;
-extern int viafb_second_size;
 extern int viafb_SAMM_ON;
 extern int viafb_dual_fb;
 extern int viafb_LCD2_ON;
@@ -874,8 +873,9 @@ extern int viafb_hotplug;
 void viafb_write_reg_mask(u8 index, int io_port, u8 data, u8 mask);
 void viafb_set_output_path(int device, int set_iga,
 	int output_interface);
+
 void viafb_fill_crtc_timing(struct crt_mode_table *crt_table,
-		      int mode_index, int bpp_byte, int set_iga);
+	struct VideoModeTable *video_mode, int bpp_byte, int set_iga);
 
 void viafb_set_vclock(u32 CLK, int set_iga);
 void viafb_load_reg(int timing_value, int viafb_load_reg_num,
@@ -891,16 +891,15 @@ void viafb_lock_crt(void);
 void viafb_unlock_crt(void);
 void viafb_load_fetch_count_reg(int h_addr, int bpp_byte, int set_iga);
 void viafb_write_regx(struct io_reg RegTable[], int ItemNum);
-struct VideoModeTable *viafb_get_modetbl_pointer(int Index);
 u32 viafb_get_clk_value(int clk);
 void viafb_load_FIFO_reg(int set_iga, int hor_active, int ver_active);
-void viafb_set_color_depth(int bpp_byte, int set_iga);
 void viafb_set_dpa_gfx(int output_interface, struct GFX_DPA_SETTING\
 					*p_gfx_dpa_setting);
 
-int viafb_setmode(int vmode_index, int hor_res, int ver_res,
-	    int video_bpp, int vmode_index1, int hor_res1,
-	    int ver_res1, int video_bpp1);
+int viafb_setmode(struct VideoModeTable *vmode_tbl, int video_bpp,
+	struct VideoModeTable *vmode_tbl1, int video_bpp1);
+void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
+	struct VideoModeTable *vmode_tbl);
 void viafb_init_chip_info(struct pci_dev *pdev,
 			  const struct pci_device_id *pdi);
 void viafb_init_dac(int set_iga);
@@ -915,6 +914,8 @@ void viafb_set_primary_address(u32 addr);
 void viafb_set_secondary_address(u32 addr);
 void viafb_set_primary_pitch(u32 pitch);
 void viafb_set_secondary_pitch(u32 pitch);
+void viafb_set_primary_color_register(u8 index, u8 red, u8 green, u8 blue);
+void viafb_set_secondary_color_register(u8 index, u8 red, u8 green, u8 blue);
 void viafb_get_fb_info(unsigned int *fb_base, unsigned int *fb_len);
 
 #endif /* __HW_H__ */
diff --git a/drivers/video/via/iface.c b/drivers/video/via/iface.c
deleted file mode 100644
index 1570636c8d51..000000000000
--- a/drivers/video/via/iface.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
- * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
-
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation;
- * either version 2, or (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
- * the implied warranty of MERCHANTABILITY or FITNESS FOR
- * A PARTICULAR PURPOSE.See the GNU General Public License
- * for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#include "global.h"
-
-/* Get frame buffer size from VGA BIOS */
-
-unsigned int viafb_get_memsize(void)
-{
-	unsigned int m;
-
-	/* If memory size provided by user */
-	if (viafb_memsize)
-		m = viafb_memsize * Mb;
-	else {
-		m = (unsigned int)viafb_read_reg(VIASR, SR39);
-		m = m * (4 * Mb);
-
-		if ((m < (16 * Mb)) || (m > (64 * Mb)))
-			m = 16 * Mb;
-	}
-	DEBUG_MSG(KERN_INFO "framebuffer size = %d Mb\n", m / Mb);
-	return m;
-}
-
-/* Get Video Buffer Starting Physical Address(back door)*/
-
-unsigned long viafb_get_videobuf_addr(void)
-{
-	struct pci_dev *pdev = NULL;
-	unsigned char sys_mem;
-	unsigned char video_mem;
-	unsigned long sys_mem_size;
-	unsigned long video_mem_size;
-	/*system memory = 256 MB, video memory 64 MB */
-	unsigned long vmem_starting_adr = 0x0C000000;
-
-	pdev =
-	    (struct pci_dev *)pci_get_device(VIA_K800_BRIDGE_VID,
-					     VIA_K800_BRIDGE_DID, NULL);
-	if (pdev != NULL) {
-		pci_read_config_byte(pdev, VIA_K800_SYSTEM_MEMORY_REG,
-				     &sys_mem);
-		pci_read_config_byte(pdev, VIA_K800_VIDEO_MEMORY_REG,
-				     &video_mem);
-		video_mem = (video_mem & 0x70) >> 4;
-		sys_mem_size = ((unsigned long)sys_mem) << 24;
-		if (video_mem != 0)
-			video_mem_size = (1 << (video_mem)) * 1024 * 1024;
-		else
-			video_mem_size = 0;
-
-		vmem_starting_adr = sys_mem_size - video_mem_size;
-		pci_dev_put(pdev);
-	}
-
-	DEBUG_MSG(KERN_INFO "Video Memory Starting Address = %lx \n",
-		  vmem_starting_adr);
-	return vmem_starting_adr;
-}
diff --git a/drivers/video/via/iface.h b/drivers/video/via/iface.h
deleted file mode 100644
index 790ec3e3aea2..000000000000
--- a/drivers/video/via/iface.h
+++ /dev/null
@@ -1,38 +0,0 @@
-/*
- * Copyright 1998-2008 VIA Technologies, Inc. All Rights Reserved.
- * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved.
-
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation;
- * either version 2, or (at your option) any later version.
-
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
- * the implied warranty of MERCHANTABILITY or FITNESS FOR
- * A PARTICULAR PURPOSE.See the GNU General Public License
- * for more details.
-
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
-#ifndef __IFACE_H__
-#define __IFACE_H__
-
-#define Kb  (1024)
-#define Mb  (Kb*Kb)
-
-#define VIA_K800_BRIDGE_VID         0x1106
-#define VIA_K800_BRIDGE_DID         0x3204
-
-#define VIA_K800_SYSTEM_MEMORY_REG  0x47
-#define VIA_K800_VIDEO_MEMORY_REG   0xA1
-
-extern int viafb_memsize;
-unsigned int viafb_get_memsize(void);
-unsigned long viafb_get_videobuf_addr(void);
-
-#endif /* __IFACE_H__ */
diff --git a/drivers/video/via/lcd.c b/drivers/video/via/lcd.c
index 09353e2b92f6..1b1ccdc2d83d 100644
--- a/drivers/video/via/lcd.c
+++ b/drivers/video/via/lcd.c
@@ -22,25 +22,7 @@
 #include "global.h"
 #include "lcdtbl.h"
 
-static struct iga2_shadow_crtc_timing iga2_shadow_crtc_reg = {
-	/* IGA2 Shadow Horizontal Total */
-	{IGA2_SHADOW_HOR_TOTAL_REG_NUM, {{CR6D, 0, 7}, {CR71, 3, 3} } },
-	/* IGA2 Shadow Horizontal Blank End */
-	{IGA2_SHADOW_HOR_BLANK_END_REG_NUM, {{CR6E, 0, 7} } },
-	/* IGA2 Shadow Vertical Total */
-	{IGA2_SHADOW_VER_TOTAL_REG_NUM, {{CR6F, 0, 7}, {CR71, 0, 2} } },
-	/* IGA2 Shadow Vertical Addressable Video */
-	{IGA2_SHADOW_VER_ADDR_REG_NUM, {{CR70, 0, 7}, {CR71, 4, 6} } },
-	/* IGA2 Shadow Vertical Blank Start */
-	{IGA2_SHADOW_VER_BLANK_START_REG_NUM,
-	 {{CR72, 0, 7}, {CR74, 4, 6} } },
-	/* IGA2 Shadow Vertical Blank End */
-	{IGA2_SHADOW_VER_BLANK_END_REG_NUM, {{CR73, 0, 7}, {CR74, 0, 2} } },
-	/* IGA2 Shadow Vertical Sync Start */
-	{IGA2_SHADOW_VER_SYNC_START_REG_NUM, {{CR75, 0, 7}, {CR76, 4, 6} } },
-	/* IGA2 Shadow Vertical Sync End */
-	{IGA2_SHADOW_VER_SYNC_END_REG_NUM, {{CR76, 0, 3} } }
-};
+#define viafb_compact_res(x, y) (((x)<<16)|(y))
 
 static struct _lcd_scaling_factor lcd_scaling_factor = {
 	/* LCD Horizontal Scaling Factor Register */
@@ -59,16 +41,10 @@ static struct _lcd_scaling_factor lcd_scaling_factor_CLE = {
 
 static int check_lvds_chip(int device_id_subaddr, int device_id);
 static bool lvds_identify_integratedlvds(void);
-static int fp_id_to_vindex(int panel_id);
+static void fp_id_to_vindex(int panel_id);
 static int lvds_register_read(int index);
 static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres,
 		      int panel_vres);
-static void load_lcd_k400_patch_tbl(int set_hres, int set_vres,
-	int panel_id);
-static void load_lcd_p880_patch_tbl(int set_hres, int set_vres,
-	int panel_id);
-static void load_lcd_patch_regs(int set_hres, int set_vres,
-	int panel_id, int set_iga);
 static void via_pitch_alignment_patch_lcd(
 	struct lvds_setting_information *plvds_setting_info,
 				   struct lvds_chip_information
@@ -98,8 +74,6 @@ static void check_diport_of_integrated_lvds(
 static struct display_timing lcd_centering_timging(struct display_timing
 					    mode_crt_reg,
 					   struct display_timing panel_crt_reg);
-static void load_crtc_shadow_timing(struct display_timing mode_timing,
-			     struct display_timing panel_timing);
 static void viafb_load_scaling_factor_for_p4m900(int set_hres,
 	int set_vres, int panel_hres, int panel_vres);
 
@@ -125,33 +99,24 @@ void viafb_init_lcd_size(void)
 		break;
 	case GET_LCD_SIZE_BY_VGA_BIOS:
 		DEBUG_MSG(KERN_INFO "Get LCD Size method by VGA BIOS !!\n");
-		viaparinfo->lvds_setting_info->lcd_panel_size =
-		    fp_id_to_vindex(viafb_lcd_panel_id);
+		fp_id_to_vindex(viafb_lcd_panel_id);
 		DEBUG_MSG(KERN_INFO "LCD Panel_ID = %d\n",
 			  viaparinfo->lvds_setting_info->lcd_panel_id);
-		DEBUG_MSG(KERN_INFO "LCD Panel Size = %d\n",
-			  viaparinfo->lvds_setting_info->lcd_panel_size);
 		break;
 	case GET_LCD_SIZE_BY_USER_SETTING:
 		DEBUG_MSG(KERN_INFO "Get LCD Size method by user setting !!\n");
-		viaparinfo->lvds_setting_info->lcd_panel_size =
-		    fp_id_to_vindex(viafb_lcd_panel_id);
+		fp_id_to_vindex(viafb_lcd_panel_id);
 		DEBUG_MSG(KERN_INFO "LCD Panel_ID = %d\n",
 			  viaparinfo->lvds_setting_info->lcd_panel_id);
-		DEBUG_MSG(KERN_INFO "LCD Panel Size = %d\n",
-			  viaparinfo->lvds_setting_info->lcd_panel_size);
 		break;
 	default:
 		DEBUG_MSG(KERN_INFO "viafb_init_lcd_size fail\n");
 		viaparinfo->lvds_setting_info->lcd_panel_id =
 			LCD_PANEL_ID1_800X600;
-		viaparinfo->lvds_setting_info->lcd_panel_size =
-		    fp_id_to_vindex(LCD_PANEL_ID1_800X600);
+		fp_id_to_vindex(LCD_PANEL_ID1_800X600);
 	}
 	viaparinfo->lvds_setting_info2->lcd_panel_id =
 		viaparinfo->lvds_setting_info->lcd_panel_id;
-	viaparinfo->lvds_setting_info2->lcd_panel_size =
-		viaparinfo->lvds_setting_info->lcd_panel_size;
 	viaparinfo->lvds_setting_info2->lcd_panel_hres =
 		viaparinfo->lvds_setting_info->lcd_panel_hres;
 	viaparinfo->lvds_setting_info2->lcd_panel_vres =
@@ -171,13 +136,13 @@ static bool lvds_identify_integratedlvds(void)
 		if (viaparinfo->chip_info->lvds_chip_info.lvds_chip_name) {
 			viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name =
 			    INTEGRATED_LVDS;
-			DEBUG_MSG(KERN_INFO "Support two dual channel LVDS!\
-				  (Internal LVDS + External LVDS)\n");
+			DEBUG_MSG(KERN_INFO "Support two dual channel LVDS! "
+				  "(Internal LVDS + External LVDS)\n");
 		} else {
 			viaparinfo->chip_info->lvds_chip_info.lvds_chip_name =
 			    INTEGRATED_LVDS;
-			DEBUG_MSG(KERN_INFO "Not found external LVDS,\
-				  so can't support two dual channel LVDS!\n");
+			DEBUG_MSG(KERN_INFO "Not found external LVDS, "
+				  "so can't support two dual channel LVDS!\n");
 		}
 	} else if (viafb_display_hardware_layout == HW_LAYOUT_LCD1_LCD2) {
 		/* Two single channel LCD (Internal LVDS + Internal LVDS): */
@@ -185,8 +150,8 @@ static bool lvds_identify_integratedlvds(void)
 		INTEGRATED_LVDS;
 		viaparinfo->chip_info->lvds_chip_info2.lvds_chip_name =
 			INTEGRATED_LVDS;
-		DEBUG_MSG(KERN_INFO "Support two single channel LVDS!\
-			  (Internal LVDS + Internal LVDS)\n");
+		DEBUG_MSG(KERN_INFO "Support two single channel LVDS! "
+			  "(Internal LVDS + Internal LVDS)\n");
 	} else if (viafb_display_hardware_layout != HW_LAYOUT_DVI_ONLY) {
 		/* If we have found external LVDS, just use it,
 		   otherwise, we will use internal LVDS as default. */
@@ -248,7 +213,7 @@ int viafb_lvds_trasmitter_identify(void)
 	return FAIL;
 }
 
-static int fp_id_to_vindex(int panel_id)
+static void fp_id_to_vindex(int panel_id)
 {
 	DEBUG_MSG(KERN_INFO "fp_get_panel_id()\n");
 
@@ -264,7 +229,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID0_640X480;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 0;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_640X480;
 		break;
 	case 0x1:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 800;
@@ -273,7 +237,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID1_800X600;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 0;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_800X600;
 		break;
 	case 0x2:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1024;
@@ -282,7 +245,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID2_1024X768;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 0;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_1024X768;
 		break;
 	case 0x3:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1280;
@@ -291,7 +253,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID3_1280X768;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 0;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_1280X768;
 		break;
 	case 0x4:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1280;
@@ -300,7 +261,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID4_1280X1024;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 1;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_1280X1024;
 		break;
 	case 0x5:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1400;
@@ -309,7 +269,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID5_1400X1050;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 1;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_1400X1050;
 		break;
 	case 0x6:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1600;
@@ -318,7 +277,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID6_1600X1200;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 1;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_1600X1200;
 		break;
 	case 0x8:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 800;
@@ -327,7 +285,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_IDA_800X480;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 0;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_800X480;
 		break;
 	case 0x9:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1024;
@@ -336,7 +293,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID2_1024X768;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 1;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_1024X768;
 		break;
 	case 0xA:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1024;
@@ -345,7 +301,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID2_1024X768;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 0;
 		viaparinfo->lvds_setting_info->LCDDithering = 0;
-		return VIA_RES_1024X768;
 		break;
 	case 0xB:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1024;
@@ -354,7 +309,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID2_1024X768;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 1;
 		viaparinfo->lvds_setting_info->LCDDithering = 0;
-		return VIA_RES_1024X768;
 		break;
 	case 0xC:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1280;
@@ -363,7 +317,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID3_1280X768;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 0;
 		viaparinfo->lvds_setting_info->LCDDithering = 0;
-		return VIA_RES_1280X768;
 		break;
 	case 0xD:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1280;
@@ -372,7 +325,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID4_1280X1024;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 1;
 		viaparinfo->lvds_setting_info->LCDDithering = 0;
-		return VIA_RES_1280X1024;
 		break;
 	case 0xE:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1400;
@@ -381,7 +333,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID5_1400X1050;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 1;
 		viaparinfo->lvds_setting_info->LCDDithering = 0;
-		return VIA_RES_1400X1050;
 		break;
 	case 0xF:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1600;
@@ -390,7 +341,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID6_1600X1200;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 1;
 		viaparinfo->lvds_setting_info->LCDDithering = 0;
-		return VIA_RES_1600X1200;
 		break;
 	case 0x10:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1366;
@@ -399,7 +349,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID7_1366X768;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 0;
 		viaparinfo->lvds_setting_info->LCDDithering = 0;
-		return VIA_RES_1368X768;
 		break;
 	case 0x11:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1024;
@@ -408,7 +357,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID8_1024X600;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 0;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_1024X600;
 		break;
 	case 0x12:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1280;
@@ -417,7 +365,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID3_1280X768;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 1;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_1280X768;
 		break;
 	case 0x13:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1280;
@@ -426,7 +373,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID9_1280X800;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 0;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_1280X800;
 		break;
 	case 0x14:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1360;
@@ -435,7 +381,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_IDB_1360X768;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 0;
 		viaparinfo->lvds_setting_info->LCDDithering = 0;
-		return VIA_RES_1360X768;
 		break;
 	case 0x15:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 1280;
@@ -444,7 +389,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID3_1280X768;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 1;
 		viaparinfo->lvds_setting_info->LCDDithering = 0;
-		return VIA_RES_1280X768;
 		break;
 	case 0x16:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 480;
@@ -453,7 +397,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_IDC_480X640;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 0;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_480X640;
 		break;
 	default:
 		viaparinfo->lvds_setting_info->lcd_panel_hres = 800;
@@ -462,7 +405,6 @@ static int fp_id_to_vindex(int panel_id)
 			LCD_PANEL_ID1_800X600;
 		viaparinfo->lvds_setting_info->device_lcd_dualedge = 0;
 		viaparinfo->lvds_setting_info->LCDDithering = 1;
-		return VIA_RES_800X600;
 	}
 }
 
@@ -573,284 +515,6 @@ static void load_lcd_scaling(int set_hres, int set_vres, int panel_hres,
 	}
 }
 
-static void load_lcd_k400_patch_tbl(int set_hres, int set_vres,
-	int panel_id)
-{
-	int vmode_index;
-	int reg_num = 0;
-	struct io_reg *lcd_patch_reg = NULL;
-
-	vmode_index = viafb_get_mode_index(set_hres, set_vres);
-	switch (panel_id) {
-		/* LCD 800x600 */
-	case LCD_PANEL_ID1_800X600:
-		switch (vmode_index) {
-		case VIA_RES_640X400:
-		case VIA_RES_640X480:
-			reg_num = NUM_TOTAL_K400_LCD_RES_6X4_8X6;
-			lcd_patch_reg = K400_LCD_RES_6X4_8X6;
-			break;
-		case VIA_RES_720X480:
-		case VIA_RES_720X576:
-			reg_num = NUM_TOTAL_K400_LCD_RES_7X4_8X6;
-			lcd_patch_reg = K400_LCD_RES_7X4_8X6;
-			break;
-		}
-		break;
-
-		/* LCD 1024x768 */
-	case LCD_PANEL_ID2_1024X768:
-		switch (vmode_index) {
-		case VIA_RES_640X400:
-		case VIA_RES_640X480:
-			reg_num = NUM_TOTAL_K400_LCD_RES_6X4_10X7;
-			lcd_patch_reg = K400_LCD_RES_6X4_10X7;
-			break;
-		case VIA_RES_720X480:
-		case VIA_RES_720X576:
-			reg_num = NUM_TOTAL_K400_LCD_RES_7X4_10X7;
-			lcd_patch_reg = K400_LCD_RES_7X4_10X7;
-			break;
-		case VIA_RES_800X600:
-			reg_num = NUM_TOTAL_K400_LCD_RES_8X6_10X7;
-			lcd_patch_reg = K400_LCD_RES_8X6_10X7;
-			break;
-		}
-		break;
-
-		/* LCD 1280x1024 */
-	case LCD_PANEL_ID4_1280X1024:
-		switch (vmode_index) {
-		case VIA_RES_640X400:
-		case VIA_RES_640X480:
-			reg_num = NUM_TOTAL_K400_LCD_RES_6X4_12X10;
-			lcd_patch_reg = K400_LCD_RES_6X4_12X10;
-			break;
-		case VIA_RES_720X480:
-		case VIA_RES_720X576:
-			reg_num = NUM_TOTAL_K400_LCD_RES_7X4_12X10;
-			lcd_patch_reg = K400_LCD_RES_7X4_12X10;
-			break;
-		case VIA_RES_800X600:
-			reg_num = NUM_TOTAL_K400_LCD_RES_8X6_12X10;
-			lcd_patch_reg = K400_LCD_RES_8X6_12X10;
-			break;
-		case VIA_RES_1024X768:
-			reg_num = NUM_TOTAL_K400_LCD_RES_10X7_12X10;
-			lcd_patch_reg = K400_LCD_RES_10X7_12X10;
-			break;
-
-		}
-		break;
-
-		/* LCD 1400x1050 */
-	case LCD_PANEL_ID5_1400X1050:
-		switch (vmode_index) {
-		case VIA_RES_640X480:
-			reg_num = NUM_TOTAL_K400_LCD_RES_6X4_14X10;
-			lcd_patch_reg = K400_LCD_RES_6X4_14X10;
-			break;
-		case VIA_RES_800X600:
-			reg_num = NUM_TOTAL_K400_LCD_RES_8X6_14X10;
-			lcd_patch_reg = K400_LCD_RES_8X6_14X10;
-			break;
-		case VIA_RES_1024X768:
-			reg_num = NUM_TOTAL_K400_LCD_RES_10X7_14X10;
-			lcd_patch_reg = K400_LCD_RES_10X7_14X10;
-			break;
-		case VIA_RES_1280X768:
-		case VIA_RES_1280X800:
-		case VIA_RES_1280X960:
-		case VIA_RES_1280X1024:
-			reg_num = NUM_TOTAL_K400_LCD_RES_12X10_14X10;
-			lcd_patch_reg = K400_LCD_RES_12X10_14X10;
-			break;
-		}
-		break;
-
-		/* LCD 1600x1200 */
-	case LCD_PANEL_ID6_1600X1200:
-		switch (vmode_index) {
-		case VIA_RES_640X400:
-		case VIA_RES_640X480:
-			reg_num = NUM_TOTAL_K400_LCD_RES_6X4_16X12;
-			lcd_patch_reg = K400_LCD_RES_6X4_16X12;
-			break;
-		case VIA_RES_720X480:
-		case VIA_RES_720X576:
-			reg_num = NUM_TOTAL_K400_LCD_RES_7X4_16X12;
-			lcd_patch_reg = K400_LCD_RES_7X4_16X12;
-			break;
-		case VIA_RES_800X600:
-			reg_num = NUM_TOTAL_K400_LCD_RES_8X6_16X12;
-			lcd_patch_reg = K400_LCD_RES_8X6_16X12;
-			break;
-		case VIA_RES_1024X768:
-			reg_num = NUM_TOTAL_K400_LCD_RES_10X7_16X12;
-			lcd_patch_reg = K400_LCD_RES_10X7_16X12;
-			break;
-		case VIA_RES_1280X768:
-		case VIA_RES_1280X800:
-		case VIA_RES_1280X960:
-		case VIA_RES_1280X1024:
-			reg_num = NUM_TOTAL_K400_LCD_RES_12X10_16X12;
-			lcd_patch_reg = K400_LCD_RES_12X10_16X12;
-			break;
-		}
-		break;
-
-		/* LCD 1366x768 */
-	case LCD_PANEL_ID7_1366X768:
-		switch (vmode_index) {
-		case VIA_RES_640X480:
-			reg_num = NUM_TOTAL_K400_LCD_RES_6X4_1366X7;
-			lcd_patch_reg = K400_LCD_RES_6X4_1366X7;
-			break;
-		case VIA_RES_720X480:
-		case VIA_RES_720X576:
-			reg_num = NUM_TOTAL_K400_LCD_RES_7X4_1366X7;
-			lcd_patch_reg = K400_LCD_RES_7X4_1366X7;
-			break;
-		case VIA_RES_800X600:
-			reg_num = NUM_TOTAL_K400_LCD_RES_8X6_1366X7;
-			lcd_patch_reg = K400_LCD_RES_8X6_1366X7;
-			break;
-		case VIA_RES_1024X768:
-			reg_num = NUM_TOTAL_K400_LCD_RES_10X7_1366X7;
-			lcd_patch_reg = K400_LCD_RES_10X7_1366X7;
-			break;
-		case VIA_RES_1280X768:
-		case VIA_RES_1280X800:
-		case VIA_RES_1280X960:
-		case VIA_RES_1280X1024:
-			reg_num = NUM_TOTAL_K400_LCD_RES_12X10_1366X7;
-			lcd_patch_reg = K400_LCD_RES_12X10_1366X7;
-			break;
-		}
-		break;
-
-		/* LCD 1360x768 */
-	case LCD_PANEL_IDB_1360X768:
-		break;
-	}
-	if (reg_num != 0) {
-		/* H.W. Reset : ON */
-		viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
-
-		viafb_write_regx(lcd_patch_reg, reg_num);
-
-		/* H.W. Reset : OFF */
-		viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
-
-		/* Reset PLL */
-		viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1);
-		viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1);
-
-		/* Fire! */
-		outb(inb(VIARMisc) | (BIT2 + BIT3), VIAWMisc);
-	}
-}
-
-static void load_lcd_p880_patch_tbl(int set_hres, int set_vres,
-	int panel_id)
-{
-	int vmode_index;
-	int reg_num = 0;
-	struct io_reg *lcd_patch_reg = NULL;
-
-	vmode_index = viafb_get_mode_index(set_hres, set_vres);
-
-	switch (panel_id) {
-	case LCD_PANEL_ID5_1400X1050:
-		switch (vmode_index) {
-		case VIA_RES_640X480:
-			reg_num = NUM_TOTAL_P880_LCD_RES_6X4_14X10;
-			lcd_patch_reg = P880_LCD_RES_6X4_14X10;
-			break;
-		case VIA_RES_800X600:
-			reg_num = NUM_TOTAL_P880_LCD_RES_8X6_14X10;
-			lcd_patch_reg = P880_LCD_RES_8X6_14X10;
-			break;
-		}
-		break;
-	case LCD_PANEL_ID6_1600X1200:
-		switch (vmode_index) {
-		case VIA_RES_640X400:
-		case VIA_RES_640X480:
-			reg_num = NUM_TOTAL_P880_LCD_RES_6X4_16X12;
-			lcd_patch_reg = P880_LCD_RES_6X4_16X12;
-			break;
-		case VIA_RES_720X480:
-		case VIA_RES_720X576:
-			reg_num = NUM_TOTAL_P880_LCD_RES_7X4_16X12;
-			lcd_patch_reg = P880_LCD_RES_7X4_16X12;
-			break;
-		case VIA_RES_800X600:
-			reg_num = NUM_TOTAL_P880_LCD_RES_8X6_16X12;
-			lcd_patch_reg = P880_LCD_RES_8X6_16X12;
-			break;
-		case VIA_RES_1024X768:
-			reg_num = NUM_TOTAL_P880_LCD_RES_10X7_16X12;
-			lcd_patch_reg = P880_LCD_RES_10X7_16X12;
-			break;
-		case VIA_RES_1280X768:
-		case VIA_RES_1280X960:
-		case VIA_RES_1280X1024:
-			reg_num = NUM_TOTAL_P880_LCD_RES_12X10_16X12;
-			lcd_patch_reg = P880_LCD_RES_12X10_16X12;
-			break;
-		}
-		break;
-
-	}
-	if (reg_num != 0) {
-		/* H.W. Reset : ON */
-		viafb_write_reg_mask(CR17, VIACR, 0x00, BIT7);
-
-		viafb_write_regx(lcd_patch_reg, reg_num);
-
-		/* H.W. Reset : OFF */
-		viafb_write_reg_mask(CR17, VIACR, 0x80, BIT7);
-
-		/* Reset PLL */
-		viafb_write_reg_mask(SR40, VIASR, 0x02, BIT1);
-		viafb_write_reg_mask(SR40, VIASR, 0x00, BIT1);
-
-		/* Fire! */
-		outb(inb(VIARMisc) | (BIT2 + BIT3), VIAWMisc);
-	}
-}
-
-static void load_lcd_patch_regs(int set_hres, int set_vres,
-	int panel_id, int set_iga)
-{
-	int vmode_index;
-
-	vmode_index = viafb_get_mode_index(set_hres, set_vres);
-
-	viafb_unlock_crt();
-
-	/* Patch for simultaneous & Expansion */
-	if ((set_iga == IGA1_IGA2) &&
-		(viaparinfo->lvds_setting_info->display_method ==
-	    LCD_EXPANDSION)) {
-		switch (viaparinfo->chip_info->gfx_chip_name) {
-		case UNICHROME_CLE266:
-		case UNICHROME_K400:
-			load_lcd_k400_patch_tbl(set_hres, set_vres, panel_id);
-			break;
-		case UNICHROME_K800:
-			break;
-		case UNICHROME_PM800:
-		case UNICHROME_CN700:
-		case UNICHROME_CX700:
-			load_lcd_p880_patch_tbl(set_hres, set_vres, panel_id);
-		}
-	}
-
-	viafb_lock_crt();
-}
-
 static void via_pitch_alignment_patch_lcd(
 	struct lvds_setting_information *plvds_setting_info,
 				   struct lvds_chip_information
@@ -949,29 +613,25 @@ void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table,
 		  struct lvds_setting_information *plvds_setting_info,
 		  struct lvds_chip_information *plvds_chip_info)
 {
-	int video_index = plvds_setting_info->lcd_panel_size;
 	int set_iga = plvds_setting_info->iga_path;
 	int mode_bpp = plvds_setting_info->bpp;
-	int set_hres, set_vres;
-	int panel_hres, panel_vres;
+	int set_hres = plvds_setting_info->h_active;
+	int set_vres = plvds_setting_info->v_active;
+	int panel_hres = plvds_setting_info->lcd_panel_hres;
+	int panel_vres = plvds_setting_info->lcd_panel_vres;
 	u32 pll_D_N;
-	int offset;
 	struct display_timing mode_crt_reg, panel_crt_reg;
 	struct crt_mode_table *panel_crt_table = NULL;
-	struct VideoModeTable *vmode_tbl = NULL;
+	struct VideoModeTable *vmode_tbl = viafb_get_mode(panel_hres,
+		panel_vres);
 
 	DEBUG_MSG(KERN_INFO "viafb_lcd_set_mode!!\n");
 	/* Get mode table */
 	mode_crt_reg = mode_crt_table->crtc;
 	/* Get panel table Pointer */
-	vmode_tbl = viafb_get_modetbl_pointer(video_index);
 	panel_crt_table = vmode_tbl->crtc;
 	panel_crt_reg = panel_crt_table->crtc;
 	DEBUG_MSG(KERN_INFO "bellow viafb_lcd_set_mode!!\n");
-	set_hres = plvds_setting_info->h_active;
-	set_vres = plvds_setting_info->v_active;
-	panel_hres = plvds_setting_info->lcd_panel_hres;
-	panel_vres = plvds_setting_info->lcd_panel_vres;
 	if (VT1636_LVDS == plvds_chip_info->lvds_chip_name)
 		viafb_init_lvds_vt1636(plvds_setting_info, plvds_chip_info);
 	plvds_setting_info->vclk = panel_crt_table->clk;
@@ -1001,54 +661,12 @@ void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table,
 		}
 	}
 
-	if (set_iga == IGA1_IGA2) {
-		load_crtc_shadow_timing(mode_crt_reg, panel_crt_reg);
-		/* Fill shadow registers */
-
-		switch (plvds_setting_info->lcd_panel_id) {
-		case LCD_PANEL_ID0_640X480:
-			offset = 80;
-			break;
-		case LCD_PANEL_ID1_800X600:
-		case LCD_PANEL_IDA_800X480:
-			offset = 110;
-			break;
-		case LCD_PANEL_ID2_1024X768:
-			offset = 150;
-			break;
-		case LCD_PANEL_ID3_1280X768:
-		case LCD_PANEL_ID4_1280X1024:
-		case LCD_PANEL_ID5_1400X1050:
-		case LCD_PANEL_ID9_1280X800:
-			offset = 190;
-			break;
-		case LCD_PANEL_ID6_1600X1200:
-			offset = 250;
-			break;
-		case LCD_PANEL_ID7_1366X768:
-		case LCD_PANEL_IDB_1360X768:
-			offset = 212;
-			break;
-		default:
-			offset = 140;
-			break;
-		}
-
-		/* Offset for simultaneous */
-		viafb_set_secondary_pitch(offset << 3);
-		DEBUG_MSG(KERN_INFO "viafb_load_reg!!\n");
-		viafb_load_fetch_count_reg(set_hres, 4, IGA2);
-		/* Fetch count for simultaneous */
-	} else {		/* SAMM */
-		/* Fetch count for IGA2 only */
-		viafb_load_fetch_count_reg(set_hres, mode_bpp / 8, set_iga);
-
-		if ((viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266)
-		    && (viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400))
-			viafb_load_FIFO_reg(set_iga, set_hres, set_vres);
+	/* Fetch count for IGA2 only */
+	viafb_load_fetch_count_reg(set_hres, mode_bpp / 8, set_iga);
 
-		viafb_set_color_depth(mode_bpp / 8, set_iga);
-	}
+	if ((viaparinfo->chip_info->gfx_chip_name != UNICHROME_CLE266)
+		&& (viaparinfo->chip_info->gfx_chip_name != UNICHROME_K400))
+		viafb_load_FIFO_reg(set_iga, set_hres, set_vres);
 
 	fill_lcd_format();
 
@@ -1065,11 +683,6 @@ void viafb_lcd_set_mode(struct crt_mode_table *mode_crt_table,
 	    || (UNICHROME_K8M890 == viaparinfo->chip_info->gfx_chip_name))
 		viafb_write_reg_mask(CR6A, VIACR, 0x01, BIT0);
 
-	load_lcd_patch_regs(set_hres, set_vres,
-			    plvds_setting_info->lcd_panel_id, set_iga);
-
-	DEBUG_MSG(KERN_INFO "load_lcd_patch_regs!!\n");
-
 	/* Patch for non 32bit alignment mode */
 	via_pitch_alignment_patch_lcd(plvds_setting_info, plvds_chip_info);
 }
@@ -1283,8 +896,7 @@ void viafb_lcd_enable(void)
 		viafb_write_reg_mask(CR6A, VIACR, 0x48, 0x48);
 	}
 
-	if ((viaparinfo->lvds_setting_info->iga_path == IGA1)
-	    || (viaparinfo->lvds_setting_info->iga_path == IGA1_IGA2)) {
+	if (viaparinfo->lvds_setting_info->iga_path == IGA1) {
 		/* CRT path set to IGA2    */
 		viafb_write_reg_mask(SR16, VIASR, 0x40, 0x40);
 		/* IGA2 path disabled      */
@@ -1476,210 +1088,6 @@ static struct display_timing lcd_centering_timging(struct display_timing
 	return crt_reg;
 }
 
-static void load_crtc_shadow_timing(struct display_timing mode_timing,
-			     struct display_timing panel_timing)
-{
-	struct io_register *reg = NULL;
-	int i;
-	int viafb_load_reg_Num = 0;
-	int reg_value = 0;
-
-	if (viaparinfo->lvds_setting_info->display_method == LCD_EXPANDSION) {
-		/* Expansion */
-		for (i = 12; i < 20; i++) {
-			switch (i) {
-			case H_TOTAL_SHADOW_INDEX:
-				reg_value =
-				    IGA2_HOR_TOTAL_SHADOW_FORMULA
-				    (panel_timing.hor_total);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.hor_total_shadow.
-				    reg_num;
-				reg = iga2_shadow_crtc_reg.hor_total_shadow.reg;
-				break;
-			case H_BLANK_END_SHADOW_INDEX:
-				reg_value =
-				    IGA2_HOR_BLANK_END_SHADOW_FORMULA
-				    (panel_timing.hor_blank_start,
-				     panel_timing.hor_blank_end);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.
-				    hor_blank_end_shadow.reg_num;
-				reg =
-				    iga2_shadow_crtc_reg.
-				    hor_blank_end_shadow.reg;
-				break;
-			case V_TOTAL_SHADOW_INDEX:
-				reg_value =
-				    IGA2_VER_TOTAL_SHADOW_FORMULA
-				    (panel_timing.ver_total);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.ver_total_shadow.
-				    reg_num;
-				reg = iga2_shadow_crtc_reg.ver_total_shadow.reg;
-				break;
-			case V_ADDR_SHADOW_INDEX:
-				reg_value =
-				    IGA2_VER_ADDR_SHADOW_FORMULA
-				    (panel_timing.ver_addr);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.ver_addr_shadow.
-				    reg_num;
-				reg = iga2_shadow_crtc_reg.ver_addr_shadow.reg;
-				break;
-			case V_BLANK_SATRT_SHADOW_INDEX:
-				reg_value =
-				    IGA2_VER_BLANK_START_SHADOW_FORMULA
-				    (panel_timing.ver_blank_start);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.
-				    ver_blank_start_shadow.reg_num;
-				reg =
-				    iga2_shadow_crtc_reg.
-				    ver_blank_start_shadow.reg;
-				break;
-			case V_BLANK_END_SHADOW_INDEX:
-				reg_value =
-				    IGA2_VER_BLANK_END_SHADOW_FORMULA
-				    (panel_timing.ver_blank_start,
-				     panel_timing.ver_blank_end);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.
-				    ver_blank_end_shadow.reg_num;
-				reg =
-				    iga2_shadow_crtc_reg.
-				    ver_blank_end_shadow.reg;
-				break;
-			case V_SYNC_SATRT_SHADOW_INDEX:
-				reg_value =
-				    IGA2_VER_SYNC_START_SHADOW_FORMULA
-				    (panel_timing.ver_sync_start);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.
-				    ver_sync_start_shadow.reg_num;
-				reg =
-				    iga2_shadow_crtc_reg.
-				    ver_sync_start_shadow.reg;
-				break;
-			case V_SYNC_END_SHADOW_INDEX:
-				reg_value =
-				    IGA2_VER_SYNC_END_SHADOW_FORMULA
-				    (panel_timing.ver_sync_start,
-				     panel_timing.ver_sync_end);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.
-				    ver_sync_end_shadow.reg_num;
-				reg =
-				    iga2_shadow_crtc_reg.
-				    ver_sync_end_shadow.reg;
-				break;
-			}
-			viafb_load_reg(reg_value,
-				viafb_load_reg_Num, reg, VIACR);
-		}
-	} else {		/* Centering */
-		for (i = 12; i < 20; i++) {
-			switch (i) {
-			case H_TOTAL_SHADOW_INDEX:
-				reg_value =
-				    IGA2_HOR_TOTAL_SHADOW_FORMULA
-				    (panel_timing.hor_total);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.hor_total_shadow.
-				    reg_num;
-				reg = iga2_shadow_crtc_reg.hor_total_shadow.reg;
-				break;
-			case H_BLANK_END_SHADOW_INDEX:
-				reg_value =
-				    IGA2_HOR_BLANK_END_SHADOW_FORMULA
-				    (panel_timing.hor_blank_start,
-				     panel_timing.hor_blank_end);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.
-				    hor_blank_end_shadow.reg_num;
-				reg =
-				    iga2_shadow_crtc_reg.
-				    hor_blank_end_shadow.reg;
-				break;
-			case V_TOTAL_SHADOW_INDEX:
-				reg_value =
-				    IGA2_VER_TOTAL_SHADOW_FORMULA
-				    (panel_timing.ver_total);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.ver_total_shadow.
-				    reg_num;
-				reg = iga2_shadow_crtc_reg.ver_total_shadow.reg;
-				break;
-			case V_ADDR_SHADOW_INDEX:
-				reg_value =
-				    IGA2_VER_ADDR_SHADOW_FORMULA
-				    (mode_timing.ver_addr);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.ver_addr_shadow.
-				    reg_num;
-				reg = iga2_shadow_crtc_reg.ver_addr_shadow.reg;
-				break;
-			case V_BLANK_SATRT_SHADOW_INDEX:
-				reg_value =
-				    IGA2_VER_BLANK_START_SHADOW_FORMULA
-				    (mode_timing.ver_blank_start);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.
-				    ver_blank_start_shadow.reg_num;
-				reg =
-				    iga2_shadow_crtc_reg.
-				    ver_blank_start_shadow.reg;
-				break;
-			case V_BLANK_END_SHADOW_INDEX:
-				reg_value =
-				    IGA2_VER_BLANK_END_SHADOW_FORMULA
-				    (panel_timing.ver_blank_start,
-				     panel_timing.ver_blank_end);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.
-				    ver_blank_end_shadow.reg_num;
-				reg =
-				    iga2_shadow_crtc_reg.
-				    ver_blank_end_shadow.reg;
-				break;
-			case V_SYNC_SATRT_SHADOW_INDEX:
-				reg_value =
-				    IGA2_VER_SYNC_START_SHADOW_FORMULA(
-				    (panel_timing.ver_sync_start -
-				    panel_timing.ver_blank_start) +
-				    (panel_timing.ver_addr -
-				    mode_timing.ver_addr) / 2 +
-				    mode_timing.ver_addr);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.ver_sync_start_shadow.
-				    reg_num;
-				reg =
-				    iga2_shadow_crtc_reg.ver_sync_start_shadow.
-				    reg;
-				break;
-			case V_SYNC_END_SHADOW_INDEX:
-				reg_value =
-				    IGA2_VER_SYNC_END_SHADOW_FORMULA(
-				    (panel_timing.ver_sync_start -
-				    panel_timing.ver_blank_start) +
-				    (panel_timing.ver_addr -
-				    mode_timing.ver_addr) / 2 +
-				    mode_timing.ver_addr,
-				    panel_timing.ver_sync_end);
-				viafb_load_reg_Num =
-				    iga2_shadow_crtc_reg.ver_sync_end_shadow.
-				    reg_num;
-				reg =
-				    iga2_shadow_crtc_reg.ver_sync_end_shadow.
-				    reg;
-				break;
-			}
-			viafb_load_reg(reg_value,
-				viafb_load_reg_Num, reg, VIACR);
-		}
-	}
-}
-
 bool viafb_lcd_get_mobile_state(bool *mobile)
 {
 	unsigned char *romptr, *tableptr;
diff --git a/drivers/video/via/share.h b/drivers/video/via/share.h
index 7cd03e2a1275..d55aaa7b912c 100644
--- a/drivers/video/via/share.h
+++ b/drivers/video/via/share.h
@@ -43,61 +43,6 @@
 /* Video Memory Size */
 #define VIDEO_MEMORY_SIZE_16M    0x1000000
 
-/* Definition Mode Index
-*/
-#define     VIA_RES_640X480                 	0
-#define     VIA_RES_800X600                 	1
-#define     VIA_RES_1024X768                	2
-#define     VIA_RES_1152X864                	3
-#define     VIA_RES_1280X1024               	4
-#define     VIA_RES_1600X1200               	5
-#define     VIA_RES_1440X1050               	6
-#define     VIA_RES_1280X768                	7
-#define     VIA_RES_1280X960                	8
-#define     VIA_RES_1920X1440               	9
-#define     VIA_RES_848X480                 	10
-#define     VIA_RES_1400X1050               	11
-#define     VIA_RES_720X480                 	12
-#define     VIA_RES_720X576                 	13
-#define     VIA_RES_1024X512                	14
-#define     VIA_RES_856X480                 	15
-#define     VIA_RES_1024X576                	16
-#define     VIA_RES_640X400                 	17
-#define     VIA_RES_1280X720                	18
-#define     VIA_RES_1920X1080               	19
-#define     VIA_RES_800X480                 	20
-#define     VIA_RES_1368X768                	21
-#define     VIA_RES_1024X600                	22
-#define     VIA_RES_1280X800                	23
-#define     VIA_RES_1680X1050               	24
-#define     VIA_RES_960X600			25
-#define     VIA_RES_1000X600               	26
-#define     VIA_RES_1088X612               	27
-#define     VIA_RES_1152X720               	28
-#define     VIA_RES_1200X720               	29
-#define     VIA_RES_1280X600               	30
-#define     VIA_RES_1360X768               	31
-#define     VIA_RES_1366X768               	32
-#define     VIA_RES_1440X900               	33
-#define     VIA_RES_1600X900               	34
-#define     VIA_RES_1600X1024              	35
-#define     VIA_RES_1792X1344              	36
-#define     VIA_RES_1856X1392              	37
-#define     VIA_RES_1920X1200              	38
-#define     VIA_RES_2048X1536              	39
-#define     VIA_RES_480X640                  	40
-
-/*Reduce Blanking*/
-#define     VIA_RES_1360X768_RB          	131
-#define     VIA_RES_1440X900_RB          	133
-#define     VIA_RES_1400X1050_RB        	111
-#define     VIA_RES_1600X900_RB          	134
-#define     VIA_RES_1680X1050_RB        	124
-#define     VIA_RES_1920X1080_RB        	119
-#define     VIA_RES_1920X1200_RB        	138
-
-#define     VIA_RES_INVALID                 	255
-
 /* standard VGA IO port
 */
 #define VIARMisc    0x3CC
@@ -118,7 +63,6 @@
 /* Display path */
 #define IGA1        1
 #define IGA2        2
-#define IGA1_IGA2   3
 
 /* Define Color Depth  */
 #define MODE_8BPP       1
diff --git a/drivers/video/via/via_utility.c b/drivers/video/via/via_utility.c
index d53c3d54ed8e..aefdeeec89b1 100644
--- a/drivers/video/via/via_utility.c
+++ b/drivers/video/via/via_utility.c
@@ -239,15 +239,3 @@ void viafb_get_gamma_support_state(int bpp, unsigned int *support_state)
 	else
 		*support_state = CRT_Device | DVI_Device | LCD_Device;
 }
-
-int viafb_input_parameter_converter(int parameter_value)
-{
-	int result;
-
-	if (parameter_value >= 1 && parameter_value <= 9)
-		result = 1 << (parameter_value - 1);
-	else
-		result = 1;
-
-	return result;
-}
diff --git a/drivers/video/via/via_utility.h b/drivers/video/via/via_utility.h
index 2fd455202ebd..1670ba82143f 100644
--- a/drivers/video/via/via_utility.h
+++ b/drivers/video/via/via_utility.h
@@ -30,6 +30,5 @@ bool viafb_lcd_get_support_expand_state(u32 xres, u32 yres);
 void viafb_set_gamma_table(int bpp, unsigned int *gamma_table);
 void viafb_get_gamma_table(unsigned int *gamma_table);
 void viafb_get_gamma_support_state(int bpp, unsigned int *support_state);
-int viafb_input_parameter_converter(int parameter_value);
 
 #endif /* __VIAUTILITY_H__ */
diff --git a/drivers/video/via/viafbdev.c b/drivers/video/via/viafbdev.c
index 3028e7ddc3b5..ce7783b63f6a 100644
--- a/drivers/video/via/viafbdev.c
+++ b/drivers/video/via/viafbdev.c
@@ -26,18 +26,22 @@
 
 #include "global.h"
 
-static struct fb_var_screeninfo default_var;
 static char *viafb_name = "Via";
 static u32 pseudo_pal[17];
 
 /* video mode */
-static char *viafb_mode = "640x480";
-static char *viafb_mode1 = "640x480";
+static char *viafb_mode;
+static char *viafb_mode1;
+static int viafb_bpp = 32;
+static int viafb_bpp1 = 32;
+
+static unsigned int viafb_second_offset;
+static int viafb_second_size;
 
 static int viafb_accel = 1;
 
 /* Added for specifying active devices.*/
-char *viafb_active_dev = "";
+char *viafb_active_dev;
 
 /*Added for specify lcd output port*/
 char *viafb_lcd_port = "";
@@ -50,18 +54,78 @@ static void apply_second_mode_setting(struct fb_var_screeninfo
 	*sec_var);
 static void retrieve_device_setting(struct viafb_ioctl_setting
 	*setting_info);
+static int viafb_pan_display(struct fb_var_screeninfo *var,
+	struct fb_info *info);
 
 static struct fb_ops viafb_ops;
 
 
+static void viafb_fill_var_color_info(struct fb_var_screeninfo *var, u8 depth)
+{
+	var->grayscale = 0;
+	var->red.msb_right = 0;
+	var->green.msb_right = 0;
+	var->blue.msb_right = 0;
+	var->transp.offset = 0;
+	var->transp.length = 0;
+	var->transp.msb_right = 0;
+	var->nonstd = 0;
+	switch (depth) {
+	case 8:
+		var->bits_per_pixel = 8;
+		var->red.offset = 0;
+		var->green.offset = 0;
+		var->blue.offset = 0;
+		var->red.length = 8;
+		var->green.length = 8;
+		var->blue.length = 8;
+		break;
+	case 15:
+		var->bits_per_pixel = 16;
+		var->red.offset = 10;
+		var->green.offset = 5;
+		var->blue.offset = 0;
+		var->red.length = 5;
+		var->green.length = 5;
+		var->blue.length = 5;
+		break;
+	case 16:
+		var->bits_per_pixel = 16;
+		var->red.offset = 11;
+		var->green.offset = 5;
+		var->blue.offset = 0;
+		var->red.length = 5;
+		var->green.length = 6;
+		var->blue.length = 5;
+		break;
+	case 24:
+		var->bits_per_pixel = 32;
+		var->red.offset = 16;
+		var->green.offset = 8;
+		var->blue.offset = 0;
+		var->red.length = 8;
+		var->green.length = 8;
+		var->blue.length = 8;
+		break;
+	case 30:
+		var->bits_per_pixel = 32;
+		var->red.offset = 20;
+		var->green.offset = 10;
+		var->blue.offset = 0;
+		var->red.length = 10;
+		var->green.length = 10;
+		var->blue.length = 10;
+		break;
+	}
+}
+
 static void viafb_update_fix(struct fb_info *info)
 {
 	u32 bpp = info->var.bits_per_pixel;
 
 	info->fix.visual =
 		bpp == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_TRUECOLOR;
-	info->fix.line_length =
-		((info->var.xres_virtual + 7) & ~7) * bpp / 8;
+	info->fix.line_length = (info->var.xres_virtual * bpp / 8 + 7) & ~7;
 }
 
 static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
@@ -75,6 +139,7 @@ static void viafb_setup_fixinfo(struct fb_fix_screeninfo *fix,
 
 	fix->type = FB_TYPE_PACKED_PIXELS;
 	fix->type_aux = 0;
+	fix->visual = FB_VISUAL_TRUECOLOR;
 
 	fix->xpanstep = fix->ywrapstep = 0;
 	fix->ypanstep = 1;
@@ -97,9 +162,10 @@ static int viafb_release(struct fb_info *info, int user)
 static int viafb_check_var(struct fb_var_screeninfo *var,
 	struct fb_info *info)
 {
-	int vmode_index, htotal, vtotal;
+	int htotal, vtotal, depth;
+	struct VideoModeTable *vmode_entry;
 	struct viafb_par *ppar = info->par;
-	u32 long_refresh;
+	u32 long_refresh, line;
 
 	DEBUG_MSG(KERN_INFO "viafb_check_var!\n");
 	/* Sanity check */
@@ -107,26 +173,36 @@ static int viafb_check_var(struct fb_var_screeninfo *var,
 	if (var->vmode & FB_VMODE_INTERLACED || var->vmode & FB_VMODE_DOUBLE)
 		return -EINVAL;
 
-	vmode_index = viafb_get_mode_index(var->xres, var->yres);
-	if (vmode_index == VIA_RES_INVALID) {
+	vmode_entry = viafb_get_mode(var->xres, var->yres);
+	if (!vmode_entry) {
 		DEBUG_MSG(KERN_INFO
 			  "viafb: Mode %dx%dx%d not supported!!\n",
 			  var->xres, var->yres, var->bits_per_pixel);
 		return -EINVAL;
 	}
 
-	if (24 == var->bits_per_pixel)
-		var->bits_per_pixel = 32;
+	depth = fb_get_color_depth(var, &info->fix);
+	if (!depth)
+		depth = var->bits_per_pixel;
 
-	if (var->bits_per_pixel != 8 && var->bits_per_pixel != 16 &&
-		var->bits_per_pixel != 32)
+	if (depth < 0 || depth > 32)
 		return -EINVAL;
+	else if (!depth)
+		depth = 24;
+	else if (depth == 15 && viafb_dual_fb && ppar->iga_path == IGA1)
+		depth = 15;
+	else if (depth == 30)
+		depth = 30;
+	else if (depth <= 8)
+		depth = 8;
+	else if (depth <= 16)
+		depth = 16;
+	else
+		depth = 24;
 
-	if ((var->xres_virtual * (var->bits_per_pixel >> 3)) & 0x1F)
-		/*32 pixel alignment */
-		var->xres_virtual = (var->xres_virtual + 31) & ~31;
-	if (var->xres_virtual * var->yres_virtual * var->bits_per_pixel / 8 >
-		ppar->memsize)
+	viafb_fill_var_color_info(var, depth);
+	line = (var->xres_virtual * var->bits_per_pixel / 8 + 7) & ~7;
+	if (line * var->yres_virtual > ppar->memsize)
 		return -EINVAL;
 
 	/* Based on var passed in to calculate the refresh,
@@ -142,7 +218,7 @@ static int viafb_check_var(struct fb_var_screeninfo *var,
 	viafb_refresh = viafb_get_refresh(var->xres, var->yres, long_refresh);
 
 	/* Adjust var according to our driver's own table */
-	viafb_fill_var_timing_info(var, viafb_refresh, vmode_index);
+	viafb_fill_var_timing_info(var, viafb_refresh, vmode_entry);
 	if (info->var.accel_flags & FB_ACCELF_TEXT &&
 		!ppar->shared->engine_mmio)
 		info->var.accel_flags = 0;
@@ -153,39 +229,45 @@ static int viafb_check_var(struct fb_var_screeninfo *var,
 static int viafb_set_par(struct fb_info *info)
 {
 	struct viafb_par *viapar = info->par;
-	int vmode_index;
-	int vmode_index1 = 0;
+	struct VideoModeTable *vmode_entry, *vmode_entry1 = NULL;
 	DEBUG_MSG(KERN_INFO "viafb_set_par!\n");
 
 	viapar->depth = fb_get_color_depth(&info->var, &info->fix);
-	viafb_update_device_setting(info->var.xres, info->var.yres,
-			      info->var.bits_per_pixel, viafb_refresh, 0);
+	viafb_update_device_setting(viafbinfo->var.xres, viafbinfo->var.yres,
+		viafbinfo->var.bits_per_pixel, viafb_refresh, 0);
 
-	vmode_index = viafb_get_mode_index(info->var.xres, info->var.yres);
-
-	if (viafb_SAMM_ON == 1) {
+	vmode_entry = viafb_get_mode(viafbinfo->var.xres, viafbinfo->var.yres);
+	if (viafb_dual_fb) {
+		vmode_entry1 = viafb_get_mode(viafbinfo1->var.xres,
+			viafbinfo1->var.yres);
+		viafb_update_device_setting(viafbinfo1->var.xres,
+			viafbinfo1->var.yres, viafbinfo1->var.bits_per_pixel,
+			viafb_refresh1, 1);
+	} else if (viafb_SAMM_ON == 1) {
 		DEBUG_MSG(KERN_INFO
 		"viafb_second_xres = %d, viafb_second_yres = %d, bpp = %d\n",
 			  viafb_second_xres, viafb_second_yres, viafb_bpp1);
-		vmode_index1 = viafb_get_mode_index(viafb_second_xres,
+		vmode_entry1 = viafb_get_mode(viafb_second_xres,
 			viafb_second_yres);
-		DEBUG_MSG(KERN_INFO "->viafb_SAMM_ON: index=%d\n",
-			vmode_index1);
 
 		viafb_update_device_setting(viafb_second_xres,
 			viafb_second_yres, viafb_bpp1, viafb_refresh1, 1);
 	}
 
-	if (vmode_index != VIA_RES_INVALID) {
+	if (vmode_entry) {
 		viafb_update_fix(info);
-		viafb_bpp = info->var.bits_per_pixel;
+		if (viafb_dual_fb && viapar->iga_path == IGA2)
+			viafb_bpp1 = info->var.bits_per_pixel;
+		else
+			viafb_bpp = info->var.bits_per_pixel;
+
 		if (info->var.accel_flags & FB_ACCELF_TEXT)
 			info->flags &= ~FBINFO_HWACCEL_DISABLED;
 		else
 			info->flags |= FBINFO_HWACCEL_DISABLED;
-		viafb_setmode(vmode_index, info->var.xres, info->var.yres,
-			info->var.bits_per_pixel, vmode_index1,
-			viafb_second_xres, viafb_second_yres, viafb_bpp1);
+		viafb_setmode(vmode_entry, info->var.bits_per_pixel,
+			vmode_entry1, viafb_bpp1);
+		viafb_pan_display(&info->var, info);
 	}
 
 	return 0;
@@ -195,234 +277,52 @@ static int viafb_set_par(struct fb_info *info)
 static int viafb_setcolreg(unsigned regno, unsigned red, unsigned green,
 unsigned blue, unsigned transp, struct fb_info *info)
 {
-	u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
-	unsigned cmap_entries = (info->var.bits_per_pixel == 8) ? 256 : 16;
-	DEBUG_MSG(KERN_INFO "viafb_setcolreg!\n");
-	if (regno >= cmap_entries)
-		return 1;
-	if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
-		/*
-		 * Read PCI bus 0,dev 0,function 0,index 0xF6 to get chip rev.
-		 */
-		outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
-		rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
-	}
-	switch (info->var.bits_per_pixel) {
-	case 8:
-		outb(0x1A, 0x3C4);
-		sr1a = inb(0x3C5);
-		outb(0x1B, 0x3C4);
-		sr1b = inb(0x3C5);
-		outb(0x67, 0x3D4);
-		cr67 = inb(0x3D5);
-		outb(0x6A, 0x3D4);
-		cr6a = inb(0x3D5);
-
-		/* Map the 3C6/7/8/9 to the IGA2 */
-		outb(0x1A, 0x3C4);
-		outb(sr1a | 0x01, 0x3C5);
-		/* Second Display Engine colck always on */
-		outb(0x1B, 0x3C4);
-		outb(sr1b | 0x80, 0x3C5);
-		/* Second Display Color Depth 8 */
-		outb(0x67, 0x3D4);
-		outb(cr67 & 0x3F, 0x3D5);
-		outb(0x6A, 0x3D4);
-		/* Second Display Channel Reset CR6A[6]) */
-		outb(cr6a & 0xBF, 0x3D5);
-		/* Second Display Channel Enable CR6A[7] */
-		outb(cr6a | 0x80, 0x3D5);
-		/* Second Display Channel stop reset) */
-		outb(cr6a | 0x40, 0x3D5);
-
-		/* Bit mask of palette */
-		outb(0xFF, 0x3c6);
-		/* Write one register of IGA2 */
-		outb(regno, 0x3C8);
-		if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
-			rev >= 15) {
-			shift = 8;
-			viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
-			viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
-		} else {
-			shift = 10;
-			viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
-			viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
-		}
-		outb(red >> shift, 0x3C9);
-		outb(green >> shift, 0x3C9);
-		outb(blue >> shift, 0x3C9);
-
-		/* Map the 3C6/7/8/9 to the IGA1 */
-		outb(0x1A, 0x3C4);
-		outb(sr1a & 0xFE, 0x3C5);
-		/* Bit mask of palette */
-		outb(0xFF, 0x3c6);
-		/* Write one register of IGA1 */
-		outb(regno, 0x3C8);
-		outb(red >> shift, 0x3C9);
-		outb(green >> shift, 0x3C9);
-		outb(blue >> shift, 0x3C9);
-
-		outb(0x1A, 0x3C4);
-		outb(sr1a, 0x3C5);
-		outb(0x1B, 0x3C4);
-		outb(sr1b, 0x3C5);
-		outb(0x67, 0x3D4);
-		outb(cr67, 0x3D5);
-		outb(0x6A, 0x3D4);
-		outb(cr6a, 0x3D5);
-		break;
-	case 16:
-		((u32 *) info->pseudo_palette)[regno] = (red & 0xF800) |
-		    ((green & 0xFC00) >> 5) | ((blue & 0xF800) >> 11);
-		break;
-	case 32:
-		((u32 *) info->pseudo_palette)[regno] =
-		    ((transp & 0xFF00) << 16) |
-		    ((red & 0xFF00) << 8) |
-		    ((green & 0xFF00)) | ((blue & 0xFF00) >> 8);
-		break;
-	}
-
-	return 0;
+	struct viafb_par *viapar = info->par;
+	u32 r, g, b;
 
-}
+	if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR) {
+		if (regno > 255)
+			return -EINVAL;
 
-/*CALLED BY: fb_set_cmap */
-/*           fb_set_var, pass 256 colors */
-/*CALLED BY: fb_set_cmap */
-/*           fbcon_set_palette, pass 16 colors */
-static int viafb_setcmap(struct fb_cmap *cmap, struct fb_info *info)
-{
-	u32 len = cmap->len;
-	u32 i;
-	u16 *pred = cmap->red;
-	u16 *pgreen = cmap->green;
-	u16 *pblue = cmap->blue;
-	u16 *ptransp = cmap->transp;
-	u8 sr1a, sr1b, cr67, cr6a, rev = 0, shift = 10;
-	if (len > 256)
-		return 1;
-	if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name) {
-		/*
-		 * Read PCI bus 0, dev 0, function 0, index 0xF6 to get chip
-		 * rev.
-		 */
-		outl(0x80000000 | (0xf6 & ~3), (unsigned long)0xCF8);
-		rev = (inl((unsigned long)0xCFC) >> ((0xf6 & 3) * 8)) & 0xff;
-	}
-	switch (info->var.bits_per_pixel) {
-	case 8:
-		outb(0x1A, 0x3C4);
-		sr1a = inb(0x3C5);
-		outb(0x1B, 0x3C4);
-		sr1b = inb(0x3C5);
-		outb(0x67, 0x3D4);
-		cr67 = inb(0x3D5);
-		outb(0x6A, 0x3D4);
-		cr6a = inb(0x3D5);
-		/* Map the 3C6/7/8/9 to the IGA2 */
-		outb(0x1A, 0x3C4);
-		outb(sr1a | 0x01, 0x3C5);
-		outb(0x1B, 0x3C4);
-		/* Second Display Engine colck always on */
-		outb(sr1b | 0x80, 0x3C5);
-		outb(0x67, 0x3D4);
-		/* Second Display Color Depth 8 */
-		outb(cr67 & 0x3F, 0x3D5);
-		outb(0x6A, 0x3D4);
-		/* Second Display Channel Reset CR6A[6]) */
-		outb(cr6a & 0xBF, 0x3D5);
-		/* Second Display Channel Enable CR6A[7] */
-		outb(cr6a | 0x80, 0x3D5);
-		/* Second Display Channel stop reset) */
-		outb(cr6a | 0xC0, 0x3D5);
-
-		/* Bit mask of palette */
-		outb(0xFF, 0x3c6);
-		outb(0x00, 0x3C8);
-		if (UNICHROME_CLE266 == viaparinfo->chip_info->gfx_chip_name &&
-			rev >= 15) {
-			shift = 8;
-			viafb_write_reg_mask(CR6A, VIACR, BIT5, BIT5);
-			viafb_write_reg_mask(SR15, VIASR, BIT7, BIT7);
-		} else {
-			shift = 10;
-			viafb_write_reg_mask(CR6A, VIACR, 0, BIT5);
-			viafb_write_reg_mask(SR15, VIASR, 0, BIT7);
-		}
-		for (i = 0; i < len; i++) {
-			outb((*(pred + i)) >> shift, 0x3C9);
-			outb((*(pgreen + i)) >> shift, 0x3C9);
-			outb((*(pblue + i)) >> shift, 0x3C9);
-		}
+		if (!viafb_dual_fb || viapar->iga_path == IGA1)
+			viafb_set_primary_color_register(regno, red >> 8,
+				green >> 8, blue >> 8);
 
-		outb(0x1A, 0x3C4);
-		/* Map the 3C6/7/8/9 to the IGA1 */
-		outb(sr1a & 0xFE, 0x3C5);
-		/* Bit mask of palette */
-		outb(0xFF, 0x3c6);
-		outb(0x00, 0x3C8);
-		for (i = 0; i < len; i++) {
-			outb((*(pred + i)) >> shift, 0x3C9);
-			outb((*(pgreen + i)) >> shift, 0x3C9);
-			outb((*(pblue + i)) >> shift, 0x3C9);
-		}
+		if (!viafb_dual_fb || viapar->iga_path == IGA2)
+			viafb_set_secondary_color_register(regno, red >> 8,
+				green >> 8, blue >> 8);
+	} else {
+		if (regno > 15)
+			return -EINVAL;
 
-		outb(0x1A, 0x3C4);
-		outb(sr1a, 0x3C5);
-		outb(0x1B, 0x3C4);
-		outb(sr1b, 0x3C5);
-		outb(0x67, 0x3D4);
-		outb(cr67, 0x3D5);
-		outb(0x6A, 0x3D4);
-		outb(cr6a, 0x3D5);
-		break;
-	case 16:
-		if (len > 17)
-			return 0;	/* Because static u32 pseudo_pal[17]; */
-		for (i = 0; i < len; i++)
-			((u32 *) info->pseudo_palette)[i] =
-			    (*(pred + i) & 0xF800) |
-			    ((*(pgreen + i) & 0xFC00) >> 5) |
-			    ((*(pblue + i) & 0xF800) >> 11);
-		break;
-	case 32:
-		if (len > 17)
-			return 0;
-		if (ptransp) {
-			for (i = 0; i < len; i++)
-				((u32 *) info->pseudo_palette)[i] =
-				    ((*(ptransp + i) & 0xFF00) << 16) |
-				    ((*(pred + i) & 0xFF00) << 8) |
-				    ((*(pgreen + i) & 0xFF00)) |
-				    ((*(pblue + i) & 0xFF00) >> 8);
-		} else {
-			for (i = 0; i < len; i++)
-				((u32 *) info->pseudo_palette)[i] =
-				    0x00000000 |
-				    ((*(pred + i) & 0xFF00) << 8) |
-				    ((*(pgreen + i) & 0xFF00)) |
-				    ((*(pblue + i) & 0xFF00) >> 8);
-		}
-		break;
+		r = (red >> (16 - info->var.red.length))
+			<< info->var.red.offset;
+		b = (blue >> (16 - info->var.blue.length))
+			<< info->var.blue.offset;
+		g = (green >> (16 - info->var.green.length))
+			<< info->var.green.offset;
+		((u32 *) info->pseudo_palette)[regno] = r | g | b;
 	}
+
 	return 0;
 }
 
 static int viafb_pan_display(struct fb_var_screeninfo *var,
 	struct fb_info *info)
 {
-	unsigned int offset;
-
-	DEBUG_MSG(KERN_INFO "viafb_pan_display!\n");
-
-	offset = (var->xoffset + (var->yoffset * var->xres_virtual)) *
-	    var->bits_per_pixel / 16;
+	struct viafb_par *viapar = info->par;
+	u32 vram_addr = (var->yoffset * var->xres_virtual + var->xoffset)
+		* (var->bits_per_pixel / 8) + viapar->vram_addr;
+
+	DEBUG_MSG(KERN_DEBUG "viafb_pan_display, address = %d\n", vram_addr);
+	if (!viafb_dual_fb) {
+		viafb_set_primary_address(vram_addr);
+		viafb_set_secondary_address(vram_addr);
+	} else if (viapar->iga_path == IGA1)
+		viafb_set_primary_address(vram_addr);
+	else
+		viafb_set_secondary_address(vram_addr);
 
-	DEBUG_MSG(KERN_INFO "\nviafb_pan_display,offset =%d ", offset);
-	viafb_set_primary_address(offset);
 	return 0;
 }
 
@@ -476,6 +376,7 @@ static int viafb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 	u32 gpu32;
 
 	DEBUG_MSG(KERN_INFO "viafb_ioctl: 0x%X !!\n", cmd);
+	printk(KERN_WARNING "viafb_ioctl: Please avoid this interface as it is unstable and might change or vanish at any time!\n");
 	memset(&u, 0, sizeof(u));
 
 	switch (cmd) {
@@ -1015,23 +916,6 @@ static int viafb_sync(struct fb_info *info)
 	return 0;
 }
 
-int viafb_get_mode_index(int hres, int vres)
-{
-	u32 i;
-	DEBUG_MSG(KERN_INFO "viafb_get_mode_index!\n");
-
-	for (i = 0; i < NUM_TOTAL_MODETABLE; i++)
-		if (CLE266Modes[i].mode_array &&
-			CLE266Modes[i].crtc[0].crtc.hor_addr == hres &&
-			CLE266Modes[i].crtc[0].crtc.ver_addr == vres)
-			break;
-
-	if (i == NUM_TOTAL_MODETABLE)
-		return VIA_RES_INVALID;
-
-	return CLE266Modes[i].ModeIndex;
-}
-
 static void check_available_device_to_enable(int device_id)
 {
 	int device_num = 0;
@@ -1330,7 +1214,7 @@ static void retrieve_device_setting(struct viafb_ioctl_setting
 	setting_info->lcd_attributes.lcd_mode = viafb_lcd_mode;
 }
 
-static void parse_active_dev(void)
+static int parse_active_dev(void)
 {
 	viafb_CRT_ON = STATE_OFF;
 	viafb_DVI_ON = STATE_OFF;
@@ -1341,60 +1225,63 @@ static void parse_active_dev(void)
 	   IGA path to devices in SAMM case. */
 	/*    Note: The previous of active_dev is primary device,
 	   and the following is secondary device. */
-	if (!strncmp(viafb_active_dev, "CRT+DVI", 7)) {
+	if (!viafb_active_dev) {
+		viafb_CRT_ON = STATE_ON;
+		viafb_SAMM_ON = STATE_OFF;
+	} else if (!strcmp(viafb_active_dev, "CRT+DVI")) {
 		/* CRT+DVI */
 		viafb_CRT_ON = STATE_ON;
 		viafb_DVI_ON = STATE_ON;
 		viafb_primary_dev = CRT_Device;
-	} else if (!strncmp(viafb_active_dev, "DVI+CRT", 7)) {
+	} else if (!strcmp(viafb_active_dev, "DVI+CRT")) {
 		/* DVI+CRT */
 		viafb_CRT_ON = STATE_ON;
 		viafb_DVI_ON = STATE_ON;
 		viafb_primary_dev = DVI_Device;
-	} else if (!strncmp(viafb_active_dev, "CRT+LCD", 7)) {
+	} else if (!strcmp(viafb_active_dev, "CRT+LCD")) {
 		/* CRT+LCD */
 		viafb_CRT_ON = STATE_ON;
 		viafb_LCD_ON = STATE_ON;
 		viafb_primary_dev = CRT_Device;
-	} else if (!strncmp(viafb_active_dev, "LCD+CRT", 7)) {
+	} else if (!strcmp(viafb_active_dev, "LCD+CRT")) {
 		/* LCD+CRT */
 		viafb_CRT_ON = STATE_ON;
 		viafb_LCD_ON = STATE_ON;
 		viafb_primary_dev = LCD_Device;
-	} else if (!strncmp(viafb_active_dev, "DVI+LCD", 7)) {
+	} else if (!strcmp(viafb_active_dev, "DVI+LCD")) {
 		/* DVI+LCD */
 		viafb_DVI_ON = STATE_ON;
 		viafb_LCD_ON = STATE_ON;
 		viafb_primary_dev = DVI_Device;
-	} else if (!strncmp(viafb_active_dev, "LCD+DVI", 7)) {
+	} else if (!strcmp(viafb_active_dev, "LCD+DVI")) {
 		/* LCD+DVI */
 		viafb_DVI_ON = STATE_ON;
 		viafb_LCD_ON = STATE_ON;
 		viafb_primary_dev = LCD_Device;
-	} else if (!strncmp(viafb_active_dev, "LCD+LCD2", 8)) {
+	} else if (!strcmp(viafb_active_dev, "LCD+LCD2")) {
 		viafb_LCD_ON = STATE_ON;
 		viafb_LCD2_ON = STATE_ON;
 		viafb_primary_dev = LCD_Device;
-	} else if (!strncmp(viafb_active_dev, "LCD2+LCD", 8)) {
+	} else if (!strcmp(viafb_active_dev, "LCD2+LCD")) {
 		viafb_LCD_ON = STATE_ON;
 		viafb_LCD2_ON = STATE_ON;
 		viafb_primary_dev = LCD2_Device;
-	} else if (!strncmp(viafb_active_dev, "CRT", 3)) {
+	} else if (!strcmp(viafb_active_dev, "CRT")) {
 		/* CRT only */
 		viafb_CRT_ON = STATE_ON;
 		viafb_SAMM_ON = STATE_OFF;
-	} else if (!strncmp(viafb_active_dev, "DVI", 3)) {
+	} else if (!strcmp(viafb_active_dev, "DVI")) {
 		/* DVI only */
 		viafb_DVI_ON = STATE_ON;
 		viafb_SAMM_ON = STATE_OFF;
-	} else if (!strncmp(viafb_active_dev, "LCD", 3)) {
+	} else if (!strcmp(viafb_active_dev, "LCD")) {
 		/* LCD only */
 		viafb_LCD_ON = STATE_ON;
 		viafb_SAMM_ON = STATE_OFF;
-	} else {
-		viafb_CRT_ON = STATE_ON;
-		viafb_SAMM_ON = STATE_OFF;
-	}
+	} else
+		return -EINVAL;
+
+	return 0;
 }
 
 static int parse_port(char *opt_str, int *output_interface)
@@ -1823,35 +1710,37 @@ static void viafb_remove_proc(struct proc_dir_entry *viafb_entry)
 	remove_proc_entry("viafb", NULL);
 }
 
-static void parse_mode(const char *str, u32 *xres, u32 *yres)
+static int parse_mode(const char *str, u32 *xres, u32 *yres)
 {
 	char *ptr;
 
+	if (!str) {
+		*xres = 640;
+		*yres = 480;
+		return 0;
+	}
+
 	*xres = simple_strtoul(str, &ptr, 10);
 	if (ptr[0] != 'x')
-		goto out_default;
+		return -EINVAL;
 
 	*yres = simple_strtoul(&ptr[1], &ptr, 10);
 	if (ptr[0])
-		goto out_default;
-
-	return;
+		return -EINVAL;
 
-out_default:
-	printk(KERN_WARNING "viafb received invalid mode string: %s\n", str);
-	*xres = 640;
-	*yres = 480;
+	return 0;
 }
 
 static int __devinit via_pci_probe(struct pci_dev *pdev,
 				   const struct pci_device_id *ent)
 {
 	u32 default_xres, default_yres;
-	int vmode_index;
+	struct VideoModeTable *vmode_entry;
+	struct fb_var_screeninfo default_var;
 	u32 viafb_par_length;
 
 	DEBUG_MSG(KERN_INFO "VIAFB PCI Probe!!\n");
-
+	memset(&default_var, 0, sizeof(default_var));
 	viafb_par_length = ALIGN(sizeof(struct viafb_par), BITS_PER_LONG/8);
 
 	/* Allocate fb_info and ***_par here, also including some other needed
@@ -1877,7 +1766,6 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
 
 	if (viafb_dual_fb)
 		viafb_SAMM_ON = 1;
-	parse_active_dev();
 	parse_lcd_port();
 	parse_dvi_port();
 
@@ -1926,9 +1814,7 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
 	}
 
 	parse_mode(viafb_mode, &default_xres, &default_yres);
-	vmode_index = viafb_get_mode_index(default_xres, default_yres);
-	DEBUG_MSG(KERN_INFO "0->index=%d\n", vmode_index);
-
+	vmode_entry = viafb_get_mode(default_xres, default_yres);
 	if (viafb_SAMM_ON == 1) {
 		parse_mode(viafb_mode1, &viafb_second_xres,
 			&viafb_second_yres);
@@ -1947,19 +1833,6 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
 			viafb_second_virtual_yres = viafb_second_yres;
 	}
 
-	switch (viafb_bpp) {
-	case 0 ... 8:
-		viafb_bpp = 8;
-		break;
-	case 9 ... 16:
-		viafb_bpp = 16;
-		break;
-	case 17 ... 32:
-		viafb_bpp = 32;
-		break;
-	default:
-		viafb_bpp = 8;
-	}
 	default_var.xres = default_xres;
 	default_var.yres = default_yres;
 	switch (default_xres) {
@@ -1972,8 +1845,6 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
 	}
 	default_var.yres_virtual = default_yres;
 	default_var.bits_per_pixel = viafb_bpp;
-	if (default_var.bits_per_pixel == 15)
-		default_var.bits_per_pixel = 16;
 	default_var.pixclock =
 	    viafb_get_pixclock(default_xres, default_yres, viafb_refresh);
 	default_var.left_margin = (default_xres >> 3) & 0xf8;
@@ -1982,6 +1853,8 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
 	default_var.lower_margin = 4;
 	default_var.hsync_len = default_var.left_margin;
 	default_var.vsync_len = 4;
+	viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
+	viafbinfo->var = default_var;
 
 	if (viafb_dual_fb) {
 		viafbinfo1 = framebuffer_alloc(viafb_par_length, &pdev->dev);
@@ -2016,8 +1889,6 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
 		default_var.yres = viafb_second_yres;
 		default_var.xres_virtual = viafb_second_virtual_xres;
 		default_var.yres_virtual = viafb_second_virtual_yres;
-		if (viafb_bpp1 != viafb_bpp)
-			viafb_bpp1 = viafb_bpp;
 		default_var.bits_per_pixel = viafb_bpp1;
 		default_var.pixclock =
 		    viafb_get_pixclock(viafb_second_xres, viafb_second_yres,
@@ -2037,9 +1908,7 @@ static int __devinit via_pci_probe(struct pci_dev *pdev,
 			&viafbinfo1->fix);
 	}
 
-	viafb_setup_fixinfo(&viafbinfo->fix, viaparinfo);
-	viafb_check_var(&default_var, viafbinfo);
-	viafbinfo->var = default_var;
+	viafb_check_var(&viafbinfo->var, viafbinfo);
 	viafb_update_fix(viafbinfo);
 	viaparinfo->depth = fb_get_color_depth(&viafbinfo->var,
 		&viafbinfo->fix);
@@ -2197,12 +2066,20 @@ static struct pci_driver viafb_driver = {
 
 static int __init viafb_init(void)
 {
+	u32 dummy;
 #ifndef MODULE
 	char *option = NULL;
 	if (fb_get_options("viafb", &option))
 		return -ENODEV;
 	viafb_setup(option);
 #endif
+	if (parse_mode(viafb_mode, &dummy, &dummy)
+		|| parse_mode(viafb_mode1, &dummy, &dummy)
+		|| viafb_bpp < 0 || viafb_bpp > 32
+		|| viafb_bpp1 < 0 || viafb_bpp1 > 32
+		|| parse_active_dev())
+		return -EINVAL;
+
 	printk(KERN_INFO
        "VIA Graphics Intergration Chipset framebuffer %d.%d initializing\n",
 	       VERSION_MAJOR, VERSION_MINOR);
@@ -2230,15 +2107,12 @@ static struct fb_ops viafb_ops = {
 	.fb_cursor = viafb_cursor,
 	.fb_ioctl = viafb_ioctl,
 	.fb_sync = viafb_sync,
-	.fb_setcmap = viafb_setcmap,
 };
 
 module_init(viafb_init);
 module_exit(viafb_exit);
 
 #ifdef MODULE
-module_param(viafb_memsize, int, S_IRUSR);
-
 module_param(viafb_mode, charp, S_IRUSR);
 MODULE_PARM_DESC(viafb_mode, "Set resolution (default=640x480)");
 
diff --git a/drivers/video/via/viafbdev.h b/drivers/video/via/viafbdev.h
index 0c94d2441922..61b5953cd159 100644
--- a/drivers/video/via/viafbdev.h
+++ b/drivers/video/via/viafbdev.h
@@ -83,22 +83,16 @@ struct viafb_par {
 
 extern unsigned int viafb_second_virtual_yres;
 extern unsigned int viafb_second_virtual_xres;
-extern unsigned int viafb_second_offset;
-extern int viafb_second_size;
 extern int viafb_SAMM_ON;
 extern int viafb_dual_fb;
 extern int viafb_LCD2_ON;
 extern int viafb_LCD_ON;
 extern int viafb_DVI_ON;
 extern int viafb_hotplug;
-extern int viafb_memsize;
 
 extern int strict_strtoul(const char *cp, unsigned int base,
 	unsigned long *res);
 
-void viafb_fill_var_timing_info(struct fb_var_screeninfo *var, int refresh,
-			  int mode_index);
-int viafb_get_mode_index(int hres, int vres);
 u8 viafb_gpio_i2c_read_lvds(struct lvds_setting_information
 	*plvds_setting_info, struct lvds_chip_information
 	*plvds_chip_info, u8 index);
diff --git a/drivers/video/via/viamode.c b/drivers/video/via/viamode.c
index b74f8a67923c..af50e244016c 100644
--- a/drivers/video/via/viamode.c
+++ b/drivers/video/via/viamode.c
@@ -412,7 +412,7 @@ struct io_reg PM1024x768[] = { {VIASR, 0x16, 0xBF, 0x0C},
 };
 
 struct patch_table res_patch_table[] = {
-	{VIA_RES_1024X768, ARRAY_SIZE(PM1024x768), PM1024x768}
+	{ARRAY_SIZE(PM1024x768), PM1024x768}
 };
 
 /* struct VPITTable {
@@ -879,169 +879,151 @@ struct crt_mode_table CRTM2048x1536[] = {
 	 {2800, 2048, 2048, 752, 2200, 224, 1592, 1536, 1536, 56, 1539, 4} }
 };
 
-/* Video Mode Table */
-/* struct VideoModeTable {*/
-/*  int                               ModeIndex;*/
-/*  struct crt_mode_table             *crtc;*/
-/*  int                               mode_array;*/
-/* };*/
-struct VideoModeTable CLE266Modes[] = {
+struct VideoModeTable viafb_modes[] = {
 	/* Display : 480x640 (GTF) */
-	{VIA_RES_480X640, CRTM480x640, ARRAY_SIZE(CRTM480x640)},
+	{CRTM480x640, ARRAY_SIZE(CRTM480x640)},
 
 	/* Display : 640x480 */
-	{VIA_RES_640X480, CRTM640x480, ARRAY_SIZE(CRTM640x480)},
+	{CRTM640x480, ARRAY_SIZE(CRTM640x480)},
 
 	/* Display : 720x480 (GTF) */
-	{VIA_RES_720X480, CRTM720x480, ARRAY_SIZE(CRTM720x480)},
+	{CRTM720x480, ARRAY_SIZE(CRTM720x480)},
 
 	/* Display : 720x576 (GTF) */
-	{VIA_RES_720X576, CRTM720x576, ARRAY_SIZE(CRTM720x576)},
+	{CRTM720x576, ARRAY_SIZE(CRTM720x576)},
 
 	/* Display : 800x600 */
-	{VIA_RES_800X600, CRTM800x600, ARRAY_SIZE(CRTM800x600)},
+	{CRTM800x600, ARRAY_SIZE(CRTM800x600)},
 
 	/* Display : 800x480 (CVT) */
-	{VIA_RES_800X480, CRTM800x480, ARRAY_SIZE(CRTM800x480)},
+	{CRTM800x480, ARRAY_SIZE(CRTM800x480)},
 
 	/* Display : 848x480 (CVT) */
-	{VIA_RES_848X480, CRTM848x480, ARRAY_SIZE(CRTM848x480)},
+	{CRTM848x480, ARRAY_SIZE(CRTM848x480)},
 
 	/* Display : 852x480 (GTF) */
-	{VIA_RES_856X480, CRTM852x480, ARRAY_SIZE(CRTM852x480)},
+	{CRTM852x480, ARRAY_SIZE(CRTM852x480)},
 
 	/* Display : 1024x512 (GTF) */
-	{VIA_RES_1024X512, CRTM1024x512, ARRAY_SIZE(CRTM1024x512)},
+	{CRTM1024x512, ARRAY_SIZE(CRTM1024x512)},
 
 	/* Display : 1024x600 */
-	{VIA_RES_1024X600, CRTM1024x600, ARRAY_SIZE(CRTM1024x600)},
-
-	/* Display : 1024x576 (GTF) */
-	/*{ VIA_RES_1024X576, CRTM1024x576, ARRAY_SIZE(CRTM1024x576)}, */
+	{CRTM1024x600, ARRAY_SIZE(CRTM1024x600)},
 
 	/* Display : 1024x768 */
-	{VIA_RES_1024X768, CRTM1024x768, ARRAY_SIZE(CRTM1024x768)},
+	{CRTM1024x768, ARRAY_SIZE(CRTM1024x768)},
 
 	/* Display : 1152x864 */
-	{VIA_RES_1152X864, CRTM1152x864, ARRAY_SIZE(CRTM1152x864)},
+	{CRTM1152x864, ARRAY_SIZE(CRTM1152x864)},
 
 	/* Display : 1280x768 (GTF) */
-	{VIA_RES_1280X768, CRTM1280x768, ARRAY_SIZE(CRTM1280x768)},
+	{CRTM1280x768, ARRAY_SIZE(CRTM1280x768)},
 
 	/* Display : 960x600 (CVT) */
-	{VIA_RES_960X600, CRTM960x600, ARRAY_SIZE(CRTM960x600)},
+	{CRTM960x600, ARRAY_SIZE(CRTM960x600)},
 
 	/* Display : 1000x600 (GTF) */
-	{VIA_RES_1000X600, CRTM1000x600, ARRAY_SIZE(CRTM1000x600)},
+	{CRTM1000x600, ARRAY_SIZE(CRTM1000x600)},
 
 	/* Display : 1024x576 (GTF) */
-	{VIA_RES_1024X576, CRTM1024x576, ARRAY_SIZE(CRTM1024x576)},
+	{CRTM1024x576, ARRAY_SIZE(CRTM1024x576)},
 
 	/* Display : 1088x612 (GTF) */
-	{VIA_RES_1088X612, CRTM1088x612, ARRAY_SIZE(CRTM1088x612)},
+	{CRTM1088x612, ARRAY_SIZE(CRTM1088x612)},
 
 	/* Display : 1152x720 (CVT) */
-	{VIA_RES_1152X720, CRTM1152x720, ARRAY_SIZE(CRTM1152x720)},
+	{CRTM1152x720, ARRAY_SIZE(CRTM1152x720)},
 
 	/* Display : 1200x720 (GTF) */
-	{VIA_RES_1200X720, CRTM1200x720, ARRAY_SIZE(CRTM1200x720)},
+	{CRTM1200x720, ARRAY_SIZE(CRTM1200x720)},
 
 	/* Display : 1280x600 (GTF) */
-	{VIA_RES_1280X600, CRTM1280x600, ARRAY_SIZE(CRTM1280x600)},
+	{CRTM1280x600, ARRAY_SIZE(CRTM1280x600)},
 
 	/* Display : 1280x800 (CVT) */
-	{VIA_RES_1280X800, CRTM1280x800, ARRAY_SIZE(CRTM1280x800)},
-
-	/* Display : 1280x800 (GTF) */
-	/*{ M1280x800, CRTM1280x800, ARRAY_SIZE(CRTM1280x800)}, */
+	{CRTM1280x800, ARRAY_SIZE(CRTM1280x800)},
 
 	/* Display : 1280x960 */
-	{VIA_RES_1280X960, CRTM1280x960, ARRAY_SIZE(CRTM1280x960)},
+	{CRTM1280x960, ARRAY_SIZE(CRTM1280x960)},
 
 	/* Display : 1280x1024 */
-	{VIA_RES_1280X1024, CRTM1280x1024, ARRAY_SIZE(CRTM1280x1024)},
+	{CRTM1280x1024, ARRAY_SIZE(CRTM1280x1024)},
 
 	/* Display : 1360x768 (CVT) */
-	{VIA_RES_1360X768, CRTM1360x768, ARRAY_SIZE(CRTM1360x768)},
-
-	/* Display : 1360x768 (CVT Reduce Blanking) */
-	{VIA_RES_1360X768_RB, CRTM1360x768_RB,
-	 ARRAY_SIZE(CRTM1360x768_RB)},
+	{CRTM1360x768, ARRAY_SIZE(CRTM1360x768)},
 
 	/* Display : 1366x768 */
-	{VIA_RES_1366X768, CRTM1366x768, ARRAY_SIZE(CRTM1366x768)},
+	{CRTM1366x768, ARRAY_SIZE(CRTM1366x768)},
 
 	/* Display : 1368x768 (GTF) */
-	/*{ M1368x768,CRTM1368x768,ARRAY_SIZE(CRTM1368x768)}, */
-	/* Display : 1368x768 (GTF) */
-	{VIA_RES_1368X768, CRTM1368x768, ARRAY_SIZE(CRTM1368x768)},
+	{CRTM1368x768, ARRAY_SIZE(CRTM1368x768)},
 
 	/* Display : 1440x900 (CVT) */
-	{VIA_RES_1440X900, CRTM1440x900, ARRAY_SIZE(CRTM1440x900)},
-
-	/* Display : 1440x900 (CVT Reduce Blanking) */
-	{VIA_RES_1440X900_RB, CRTM1440x900_RB,
-	 ARRAY_SIZE(CRTM1440x900_RB)},
+	{CRTM1440x900, ARRAY_SIZE(CRTM1440x900)},
 
 	/* Display : 1440x1050 (GTF) */
-	{VIA_RES_1440X1050, CRTM1440x1050, ARRAY_SIZE(CRTM1440x1050)},
-
-	/* Display : 1400x1050 (CVT Reduce Blanking) */
-	{VIA_RES_1400X1050_RB, CRTM1400x1050_RB,
-	 ARRAY_SIZE(CRTM1400x1050_RB)},
+	{CRTM1440x1050, ARRAY_SIZE(CRTM1440x1050)},
 
 	/* Display : 1600x900 (CVT) */
-	{VIA_RES_1600X900, CRTM1600x900, ARRAY_SIZE(CRTM1600x900)},
-
-	/* Display : 1600x900 (CVT Reduce Blanking) */
-	{VIA_RES_1600X900_RB, CRTM1600x900_RB,
-	 ARRAY_SIZE(CRTM1600x900_RB)},
+	{CRTM1600x900, ARRAY_SIZE(CRTM1600x900)},
 
 	/* Display : 1600x1024 (GTF) */
-	{VIA_RES_1600X1024, CRTM1600x1024, ARRAY_SIZE(CRTM1600x1024)},
+	{CRTM1600x1024, ARRAY_SIZE(CRTM1600x1024)},
 
 	/* Display : 1600x1200 */
-	{VIA_RES_1600X1200, CRTM1600x1200, ARRAY_SIZE(CRTM1600x1200)},
+	{CRTM1600x1200, ARRAY_SIZE(CRTM1600x1200)},
 
 	/* Display : 1680x1050 (CVT) */
-	{VIA_RES_1680X1050, CRTM1680x1050, ARRAY_SIZE(CRTM1680x1050)},
-
-	/* Display : 1680x1050 (CVT Reduce Blanking) */
-	{VIA_RES_1680X1050_RB, CRTM1680x1050_RB,
-	 ARRAY_SIZE(CRTM1680x1050_RB)},
+	{CRTM1680x1050, ARRAY_SIZE(CRTM1680x1050)},
 
 	/* Display : 1792x1344 (DMT) */
-	{VIA_RES_1792X1344, CRTM1792x1344, ARRAY_SIZE(CRTM1792x1344)},
+	{CRTM1792x1344, ARRAY_SIZE(CRTM1792x1344)},
 
 	/* Display : 1856x1392 (DMT) */
-	{VIA_RES_1856X1392, CRTM1856x1392, ARRAY_SIZE(CRTM1856x1392)},
+	{CRTM1856x1392, ARRAY_SIZE(CRTM1856x1392)},
 
 	/* Display : 1920x1440 */
-	{VIA_RES_1920X1440, CRTM1920x1440, ARRAY_SIZE(CRTM1920x1440)},
+	{CRTM1920x1440, ARRAY_SIZE(CRTM1920x1440)},
 
 	/* Display : 2048x1536 */
-	{VIA_RES_2048X1536, CRTM2048x1536, ARRAY_SIZE(CRTM2048x1536)},
+	{CRTM2048x1536, ARRAY_SIZE(CRTM2048x1536)},
 
 	/* Display : 1280x720 */
-	{VIA_RES_1280X720, CRTM1280x720, ARRAY_SIZE(CRTM1280x720)},
+	{CRTM1280x720, ARRAY_SIZE(CRTM1280x720)},
 
 	/* Display : 1920x1080 (CVT) */
-	{VIA_RES_1920X1080, CRTM1920x1080, ARRAY_SIZE(CRTM1920x1080)},
-
-	/* Display : 1920x1080 (CVT Reduce Blanking) */
-	{VIA_RES_1920X1080_RB, CRTM1920x1080_RB,
-	 ARRAY_SIZE(CRTM1920x1080_RB)},
+	{CRTM1920x1080, ARRAY_SIZE(CRTM1920x1080)},
 
 	/* Display : 1920x1200 (CVT) */
-	{VIA_RES_1920X1200, CRTM1920x1200, ARRAY_SIZE(CRTM1920x1200)},
-
-	/* Display : 1920x1200 (CVT Reduce Blanking) */
-	{VIA_RES_1920X1200_RB, CRTM1920x1200_RB,
-	 ARRAY_SIZE(CRTM1920x1200_RB)},
+	{CRTM1920x1200, ARRAY_SIZE(CRTM1920x1200)},
 
 	/* Display : 1400x1050 (CVT) */
-	{VIA_RES_1400X1050, CRTM1400x1050, ARRAY_SIZE(CRTM1400x1050)}
+	{CRTM1400x1050, ARRAY_SIZE(CRTM1400x1050)}
 };
+
+struct VideoModeTable viafb_rb_modes[] = {
+	/* Display : 1360x768 (CVT Reduce Blanking) */
+	{CRTM1360x768_RB, ARRAY_SIZE(CRTM1360x768_RB)},
+
+	/* Display : 1440x900 (CVT Reduce Blanking) */
+	{CRTM1440x900_RB, ARRAY_SIZE(CRTM1440x900_RB)},
+
+	/* Display : 1400x1050 (CVT Reduce Blanking) */
+	{CRTM1400x1050_RB, ARRAY_SIZE(CRTM1400x1050_RB)},
+
+	/* Display : 1600x900 (CVT Reduce Blanking) */
+	{CRTM1600x900_RB, ARRAY_SIZE(CRTM1600x900_RB)},
+
+	/* Display : 1680x1050 (CVT Reduce Blanking) */
+	{CRTM1680x1050_RB, ARRAY_SIZE(CRTM1680x1050_RB)},
+
+	/* Display : 1920x1080 (CVT Reduce Blanking) */
+	{CRTM1920x1080_RB, ARRAY_SIZE(CRTM1920x1080_RB)},
+
+	/* Display : 1920x1200 (CVT Reduce Blanking) */
+	{CRTM1920x1200_RB, ARRAY_SIZE(CRTM1920x1200_RB)}
+};
+
 struct crt_mode_table CEAM1280x720[] = {
 	{REFRESH_60, CLK_74_270M, M1280X720_CEA_R60_HSP,
 	 M1280X720_CEA_R60_VSP,
@@ -1056,8 +1038,8 @@ struct crt_mode_table CEAM1920x1080[] = {
 };
 struct VideoModeTable CEA_HDMI_Modes[] = {
 	/* Display : 1280x720 */
-	{VIA_RES_1280X720, CEAM1280x720, ARRAY_SIZE(CEAM1280x720)},
-	{VIA_RES_1920X1080, CEAM1920x1080, ARRAY_SIZE(CEAM1920x1080)}
+	{CEAM1280x720, ARRAY_SIZE(CEAM1280x720)},
+	{CEAM1920x1080, ARRAY_SIZE(CEAM1920x1080)}
 };
 
 int NUM_TOTAL_RES_MAP_REFRESH = ARRAY_SIZE(res_map_refresh_tbl);
@@ -1069,4 +1051,28 @@ int NUM_TOTAL_CX700_ModeXregs = ARRAY_SIZE(CX700_ModeXregs);
 int NUM_TOTAL_VX855_ModeXregs = ARRAY_SIZE(VX855_ModeXregs);
 int NUM_TOTAL_CLE266_ModeXregs = ARRAY_SIZE(CLE266_ModeXregs);
 int NUM_TOTAL_PATCH_MODE = ARRAY_SIZE(res_patch_table);
-int NUM_TOTAL_MODETABLE = ARRAY_SIZE(CLE266Modes);
+
+
+struct VideoModeTable *viafb_get_mode(int hres, int vres)
+{
+	u32 i;
+	for (i = 0; i < ARRAY_SIZE(viafb_modes); i++)
+		if (viafb_modes[i].mode_array &&
+			viafb_modes[i].crtc[0].crtc.hor_addr == hres &&
+			viafb_modes[i].crtc[0].crtc.ver_addr == vres)
+			return &viafb_modes[i];
+
+	return NULL;
+}
+
+struct VideoModeTable *viafb_get_rb_mode(int hres, int vres)
+{
+	u32 i;
+	for (i = 0; i < ARRAY_SIZE(viafb_rb_modes); i++)
+		if (viafb_rb_modes[i].mode_array &&
+			viafb_rb_modes[i].crtc[0].crtc.hor_addr == hres &&
+			viafb_rb_modes[i].crtc[0].crtc.ver_addr == vres)
+			return &viafb_rb_modes[i];
+
+	return NULL;
+}
diff --git a/drivers/video/via/viamode.h b/drivers/video/via/viamode.h
index a9d6554fabdf..5b1ced86514b 100644
--- a/drivers/video/via/viamode.h
+++ b/drivers/video/via/viamode.h
@@ -32,13 +32,11 @@ struct VPITTable {
 };
 
 struct VideoModeTable {
-	int ModeIndex;
 	struct crt_mode_table *crtc;
 	int mode_array;
 };
 
 struct patch_table {
-	int mode_index;
 	int table_length;
 	struct io_reg *io_reg_table;
 };
@@ -59,13 +57,11 @@ extern int NUM_TOTAL_CX700_ModeXregs;
 extern int NUM_TOTAL_VX855_ModeXregs;
 extern int NUM_TOTAL_CLE266_ModeXregs;
 extern int NUM_TOTAL_PATCH_MODE;
-extern int NUM_TOTAL_MODETABLE;
 
 /********************/
 /* Mode Table       */
 /********************/
 
-extern struct VideoModeTable CLE266Modes[];
 extern struct crt_mode_table CEAM1280x720[];
 extern struct crt_mode_table CEAM1920x1080[];
 extern struct VideoModeTable CEA_HDMI_Modes[];
@@ -81,4 +77,8 @@ extern struct io_reg CLE266_ModeXregs[];
 extern struct io_reg PM1024x768[];
 extern struct patch_table res_patch_table[];
 extern struct VPITTable VPIT;
+
+struct VideoModeTable *viafb_get_mode(int hres, int vres);
+struct VideoModeTable *viafb_get_rb_mode(int hres, int vres);
+
 #endif /* __VIAMODE_H__ */
diff --git a/drivers/video/w100fb.c b/drivers/video/w100fb.c
index 2376f688ec8b..5d223959778a 100644
--- a/drivers/video/w100fb.c
+++ b/drivers/video/w100fb.c
@@ -628,7 +628,7 @@ static int w100fb_resume(struct platform_device *dev)
 #endif
 
 
-int __init w100fb_probe(struct platform_device *pdev)
+int __devinit w100fb_probe(struct platform_device *pdev)
 {
 	int err = -EIO;
 	struct w100fb_mach_info *inf;
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 1b6573216998..625447f645d9 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -649,6 +649,7 @@ static int __devinit virtio_pci_probe(struct pci_dev *pci_dev,
 		goto out_req_regions;
 
 	pci_set_drvdata(pci_dev, vp_dev);
+	pci_set_master(pci_dev);
 
 	/* we use the subsystem vendor/device id as the virtio vendor/device
 	 * id.  this allows us to use the same PCI vendor/device id for all
diff --git a/drivers/w1/masters/ds2482.c b/drivers/w1/masters/ds2482.c
index 406caa6a71cb..e5f74416d4b7 100644
--- a/drivers/w1/masters/ds2482.c
+++ b/drivers/w1/masters/ds2482.c
@@ -214,7 +214,7 @@ static int ds2482_wait_1wire_idle(struct ds2482_data *pdev)
 			 (++retries < DS2482_WAIT_IDLE_TIMEOUT));
 	}
 
-	if (retries > DS2482_WAIT_IDLE_TIMEOUT)
+	if (retries >= DS2482_WAIT_IDLE_TIMEOUT)
 		printk(KERN_ERR "%s: timeout on channel %d\n",
 		       __func__, pdev->channel);
 
diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c
index 65244c02551b..492670358cbf 100644
--- a/drivers/w1/masters/mxc_w1.c
+++ b/drivers/w1/masters/mxc_w1.c
@@ -102,7 +102,7 @@ static u8 mxc_w1_ds2_touch_bit(void *data, u8 bit)
 	return ((__raw_readb(ctrl_addr)) >> 3) & 0x1;
 }
 
-static int __init mxc_w1_probe(struct platform_device *pdev)
+static int __devinit mxc_w1_probe(struct platform_device *pdev)
 {
 	struct mxc_w1_device *mdev;
 	struct resource *res;
@@ -166,7 +166,7 @@ failed_clk:
 /*
  * disassociate the w1 device from the driver
  */
-static int mxc_w1_remove(struct platform_device *pdev)
+static int __devexit mxc_w1_remove(struct platform_device *pdev)
 {
 	struct mxc_w1_device *mdev = platform_get_drvdata(pdev);
 	struct resource *res;
diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c
index 0d92969404c3..22977d30f89e 100644
--- a/drivers/w1/masters/omap_hdq.c
+++ b/drivers/w1/masters/omap_hdq.c
@@ -72,7 +72,7 @@ struct hdq_data {
 	int			init_trans;
 };
 
-static int __init omap_hdq_probe(struct platform_device *pdev);
+static int __devinit omap_hdq_probe(struct platform_device *pdev);
 static int omap_hdq_remove(struct platform_device *pdev);
 
 static struct platform_driver omap_hdq_driver = {
@@ -558,7 +558,7 @@ static void omap_w1_write_byte(void *_hdq, u8 byte)
 	return;
 }
 
-static int __init omap_hdq_probe(struct platform_device *pdev)
+static int __devinit omap_hdq_probe(struct platform_device *pdev)
 {
 	struct hdq_data *hdq_data;
 	struct resource *res;
diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index acc7e3b7fe17..ad5897dc4495 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -986,7 +986,7 @@ int w1_process(void *data)
 	return 0;
 }
 
-static int w1_init(void)
+static int __init w1_init(void)
 {
 	int retval;
 
@@ -1034,7 +1034,7 @@ err_out_exit_init:
 	return retval;
 }
 
-static void w1_fini(void)
+static void __exit w1_fini(void)
 {
 	struct w1_master *dev;
 
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 3da3f48720a7..bdcdbd53da89 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -55,6 +55,11 @@ config SOFT_WATCHDOG
 	  To compile this driver as a module, choose M here: the
 	  module will be called softdog.
 
+config MAX63XX_WATCHDOG
+       tristate "Max63xx watchdog"
+       help
+         Support for memory mapped max63{69,70,71,72,73,74} watchdog timer.
+
 config WM831X_WATCHDOG
 	tristate "WM831x watchdog"
 	depends on MFD_WM831X
@@ -289,6 +294,17 @@ config ADX_WATCHDOG
 	  Say Y here if you want support for the watchdog timer on Avionic
 	  Design Xanthos boards.
 
+config TS72XX_WATCHDOG
+	tristate "TS-72XX SBC Watchdog"
+	depends on MACH_TS72XX
+	help
+	  Technologic Systems TS-7200, TS-7250 and TS-7260 boards have
+	  watchdog timer implemented in a external CPLD chip. Say Y here
+	  if you want to support for the watchdog timer on TS-72XX boards.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ts72xx_wdt.
+
 # AVR32 Architecture
 
 config AT32AP700X_WDT
@@ -845,10 +861,10 @@ config TXX9_WDT
 # POWERPC Architecture
 
 config GEF_WDT
-	tristate "GE Fanuc Watchdog Timer"
+	tristate "GE Watchdog Timer"
 	depends on GEF_SBC610 || GEF_SBC310 || GEF_PPC9A
 	---help---
-	  Watchdog timer found in a number of GE Fanuc single board computers.
+	  Watchdog timer found in a number of GE single board computers.
 
 config MPC5200_WDT
 	bool "MPC52xx Watchdog Timer"
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index 475c61100069..5e3cb95bb0e9 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -46,6 +46,7 @@ obj-$(CONFIG_COH901327_WATCHDOG) += coh901327_wdt.o
 obj-$(CONFIG_STMP3XXX_WATCHDOG) += stmp3xxx_wdt.o
 obj-$(CONFIG_NUC900_WATCHDOG) += nuc900_wdt.o
 obj-$(CONFIG_ADX_WATCHDOG) += adx_wdt.o
+obj-$(CONFIG_TS72XX_WATCHDOG) += ts72xx_wdt.o
 
 # AVR32 Architecture
 obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o
@@ -142,4 +143,5 @@ obj-$(CONFIG_WATCHDOG_CP1XXX)		+= cpwd.o
 # Architecture Independant
 obj-$(CONFIG_WM831X_WATCHDOG) += wm831x_wdt.o
 obj-$(CONFIG_WM8350_WATCHDOG) += wm8350_wdt.o
+obj-$(CONFIG_MAX63XX_WATCHDOG) += max63xx_wdt.o
 obj-$(CONFIG_SOFT_WATCHDOG) += softdog.o
diff --git a/drivers/watchdog/acquirewdt.c b/drivers/watchdog/acquirewdt.c
index 4d18c874d963..2ffce4d75443 100644
--- a/drivers/watchdog/acquirewdt.c
+++ b/drivers/watchdog/acquirewdt.c
@@ -150,7 +150,7 @@ static long acq_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	int options, retval = -EINVAL;
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options = WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
 		.firmware_version = 1,
 		.identity = WATCHDOG_NAME,
diff --git a/drivers/watchdog/advantechwdt.c b/drivers/watchdog/advantechwdt.c
index 824d076a5cd6..4d40965d2c9f 100644
--- a/drivers/watchdog/advantechwdt.c
+++ b/drivers/watchdog/advantechwdt.c
@@ -137,7 +137,7 @@ static long advwdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	int new_timeout;
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options = WDIOF_KEEPALIVEPING |
 			   WDIOF_SETTIMEOUT |
 			   WDIOF_MAGICCLOSE,
diff --git a/drivers/watchdog/adx_wdt.c b/drivers/watchdog/adx_wdt.c
index 9d7d155364f8..a5ca7a6ee133 100644
--- a/drivers/watchdog/adx_wdt.c
+++ b/drivers/watchdog/adx_wdt.c
@@ -37,7 +37,7 @@ struct adx_wdt {
 	spinlock_t lock;
 };
 
-static struct watchdog_info adx_wdt_info = {
+static const struct watchdog_info adx_wdt_info = {
 	.identity = "Avionic Design Xanthos Watchdog",
 	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
 };
diff --git a/drivers/watchdog/alim1535_wdt.c b/drivers/watchdog/alim1535_wdt.c
index 937a80fb61e1..1e9caea8ff8a 100644
--- a/drivers/watchdog/alim1535_wdt.c
+++ b/drivers/watchdog/alim1535_wdt.c
@@ -180,7 +180,7 @@ static long ali_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options =		WDIOF_KEEPALIVEPING |
 					WDIOF_SETTIMEOUT |
 					WDIOF_MAGICCLOSE,
diff --git a/drivers/watchdog/alim7101_wdt.c b/drivers/watchdog/alim7101_wdt.c
index f90afdb1b255..d8d4da9a483d 100644
--- a/drivers/watchdog/alim7101_wdt.c
+++ b/drivers/watchdog/alim7101_wdt.c
@@ -238,7 +238,7 @@ static long fop_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT
 							| WDIOF_MAGICCLOSE,
 		.firmware_version = 1,
diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c
index 2bb95cd308c1..c764c52412e4 100644
--- a/drivers/watchdog/ar7_wdt.c
+++ b/drivers/watchdog/ar7_wdt.c
@@ -219,7 +219,7 @@ static ssize_t ar7_wdt_write(struct file *file, const char *data,
 static long ar7_wdt_ioctl(struct file *file,
 					unsigned int cmd, unsigned long arg)
 {
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.identity = LONGNAME,
 		.firmware_version = 1,
 		.options = (WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING |
diff --git a/drivers/watchdog/at32ap700x_wdt.c b/drivers/watchdog/at32ap700x_wdt.c
index 037847923dcb..6873376f986c 100644
--- a/drivers/watchdog/at32ap700x_wdt.c
+++ b/drivers/watchdog/at32ap700x_wdt.c
@@ -202,7 +202,7 @@ static int at32_wdt_get_status(void)
 	return status;
 }
 
-static struct watchdog_info at32_wdt_info = {
+static const struct watchdog_info at32_wdt_info = {
 	.identity	= "at32ap700x watchdog",
 	.options	= WDIOF_SETTIMEOUT |
 			  WDIOF_KEEPALIVEPING |
diff --git a/drivers/watchdog/at91rm9200_wdt.c b/drivers/watchdog/at91rm9200_wdt.c
index b185dafe1494..b3046dc4b56c 100644
--- a/drivers/watchdog/at91rm9200_wdt.c
+++ b/drivers/watchdog/at91rm9200_wdt.c
@@ -121,7 +121,7 @@ static int at91_wdt_settimeout(int new_time)
 	return 0;
 }
 
-static struct watchdog_info at91_wdt_info = {
+static const struct watchdog_info at91_wdt_info = {
 	.identity	= "at91 watchdog",
 	.options	= WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
 };
diff --git a/drivers/watchdog/bcm47xx_wdt.c b/drivers/watchdog/bcm47xx_wdt.c
index 751c003864ad..5f245522397b 100644
--- a/drivers/watchdog/bcm47xx_wdt.c
+++ b/drivers/watchdog/bcm47xx_wdt.c
@@ -149,7 +149,7 @@ static ssize_t bcm47xx_wdt_write(struct file *file, const char __user *data,
 	return len;
 }
 
-static struct watchdog_info bcm47xx_wdt_info = {
+static const struct watchdog_info bcm47xx_wdt_info = {
 	.identity 	= DRV_NAME,
 	.options 	= WDIOF_SETTIMEOUT |
 				WDIOF_KEEPALIVEPING |
diff --git a/drivers/watchdog/bfin_wdt.c b/drivers/watchdog/bfin_wdt.c
index 2159e668751c..9c7ccd1e9088 100644
--- a/drivers/watchdog/bfin_wdt.c
+++ b/drivers/watchdog/bfin_wdt.c
@@ -19,8 +19,6 @@
 #include <linux/miscdevice.h>
 #include <linux/watchdog.h>
 #include <linux/fs.h>
-#include <linux/notifier.h>
-#include <linux/reboot.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/uaccess.h>
@@ -74,7 +72,7 @@
 
 static unsigned int timeout = WATCHDOG_TIMEOUT;
 static int nowayout = WATCHDOG_NOWAYOUT;
-static struct watchdog_info bfin_wdt_info;
+static const struct watchdog_info bfin_wdt_info;
 static unsigned long open_check;
 static char expect_close;
 static DEFINE_SPINLOCK(bfin_wdt_spinlock);
@@ -309,26 +307,6 @@ static long bfin_wdt_ioctl(struct file *file,
 	}
 }
 
-/**
- *	bfin_wdt_notify_sys - Notifier Handler
- *	@this: notifier block
- *	@code: notifier event
- *	@unused: unused
- *
- *	Handles specific events, such as turning off the watchdog during a
- *	shutdown event.
- */
-static int bfin_wdt_notify_sys(struct notifier_block *this,
-					unsigned long code, void *unused)
-{
-	stampit();
-
-	if (code == SYS_DOWN || code == SYS_HALT)
-		bfin_wdt_stop();
-
-	return NOTIFY_DONE;
-}
-
 #ifdef CONFIG_PM
 static int state_before_suspend;
 
@@ -388,40 +366,28 @@ static struct miscdevice bfin_wdt_miscdev = {
 	.fops     = &bfin_wdt_fops,
 };
 
-static struct watchdog_info bfin_wdt_info = {
+static const struct watchdog_info bfin_wdt_info = {
 	.identity = "Blackfin Watchdog",
 	.options  = WDIOF_SETTIMEOUT |
 		    WDIOF_KEEPALIVEPING |
 		    WDIOF_MAGICCLOSE,
 };
 
-static struct notifier_block bfin_wdt_notifier = {
-	.notifier_call = bfin_wdt_notify_sys,
-};
-
 /**
  *	bfin_wdt_probe - Initialize module
  *
- *	Registers the misc device and notifier handler.  Actual device
+ *	Registers the misc device.  Actual device
  *	initialization is handled by bfin_wdt_open().
  */
 static int __devinit bfin_wdt_probe(struct platform_device *pdev)
 {
 	int ret;
 
-	ret = register_reboot_notifier(&bfin_wdt_notifier);
-	if (ret) {
-		pr_devinit(KERN_ERR PFX
-			"cannot register reboot notifier (err=%d)\n", ret);
-		return ret;
-	}
-
 	ret = misc_register(&bfin_wdt_miscdev);
 	if (ret) {
 		pr_devinit(KERN_ERR PFX
 			"cannot register miscdev on minor=%d (err=%d)\n",
 				WATCHDOG_MINOR, ret);
-		unregister_reboot_notifier(&bfin_wdt_notifier);
 		return ret;
 	}
 
@@ -434,21 +400,33 @@ static int __devinit bfin_wdt_probe(struct platform_device *pdev)
 /**
  *	bfin_wdt_remove - Initialize module
  *
- *	Unregisters the misc device and notifier handler.  Actual device
+ *	Unregisters the misc device.  Actual device
  *	deinitialization is handled by bfin_wdt_close().
  */
 static int __devexit bfin_wdt_remove(struct platform_device *pdev)
 {
 	misc_deregister(&bfin_wdt_miscdev);
-	unregister_reboot_notifier(&bfin_wdt_notifier);
 	return 0;
 }
 
+/**
+ *	bfin_wdt_shutdown - Soft Shutdown Handler
+ *
+ *	Handles the soft shutdown event.
+ */
+static void bfin_wdt_shutdown(struct platform_device *pdev)
+{
+	stampit();
+
+	bfin_wdt_stop();
+}
+
 static struct platform_device *bfin_wdt_device;
 
 static struct platform_driver bfin_wdt_driver = {
 	.probe     = bfin_wdt_probe,
 	.remove    = __devexit_p(bfin_wdt_remove),
+	.shutdown  = bfin_wdt_shutdown,
 	.suspend   = bfin_wdt_suspend,
 	.resume    = bfin_wdt_resume,
 	.driver    = {
diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c
index e8380ef65c1c..8b724aad6825 100644
--- a/drivers/watchdog/booke_wdt.c
+++ b/drivers/watchdog/booke_wdt.c
@@ -121,7 +121,7 @@ static ssize_t booke_wdt_write(struct file *file, const char __user *buf,
 	return count;
 }
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
 	.identity = "PowerPC Book-E Watchdog",
 };
diff --git a/drivers/watchdog/coh901327_wdt.c b/drivers/watchdog/coh901327_wdt.c
index 923cc68dba26..9291506b8b23 100644
--- a/drivers/watchdog/coh901327_wdt.c
+++ b/drivers/watchdog/coh901327_wdt.c
@@ -257,7 +257,7 @@ static long coh901327_ioctl(struct file *file, unsigned int cmd,
 		struct watchdog_info __user *ident;
 		int __user *i;
 	} uarg;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options		= WDIOF_CARDRESET |
 					  WDIOF_SETTIMEOUT |
 					  WDIOF_KEEPALIVEPING,
diff --git a/drivers/watchdog/cpu5wdt.c b/drivers/watchdog/cpu5wdt.c
index 71f6d7eec9a8..edd3475f41db 100644
--- a/drivers/watchdog/cpu5wdt.c
+++ b/drivers/watchdog/cpu5wdt.c
@@ -154,7 +154,7 @@ static long cpu5wdt_ioctl(struct file *file, unsigned int cmd,
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
 	unsigned int value;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options = WDIOF_CARDRESET,
 		.identity = "CPU5 WDT",
 	};
diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c
index 081f2955419e..37ea052d4dee 100644
--- a/drivers/watchdog/cpwd.c
+++ b/drivers/watchdog/cpwd.c
@@ -403,7 +403,7 @@ static int cpwd_release(struct inode *inode, struct file *file)
 
 static long cpwd_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
-	static struct watchdog_info info = {
+	static const struct watchdog_info info = {
 		.options		= WDIOF_SETTIMEOUT,
 		.firmware_version	= 1,
 		.identity		= DRIVER_NAME,
diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index 887136de1857..56162c87f5d8 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c
@@ -142,7 +142,7 @@ davinci_wdt_write(struct file *file, const char *data, size_t len,
 	return len;
 }
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options = WDIOF_KEEPALIVEPING,
 	.identity = "DaVinci Watchdog",
 };
diff --git a/drivers/watchdog/ep93xx_wdt.c b/drivers/watchdog/ep93xx_wdt.c
index cdd55e0d09f8..88ed54e50f74 100644
--- a/drivers/watchdog/ep93xx_wdt.c
+++ b/drivers/watchdog/ep93xx_wdt.c
@@ -131,7 +131,7 @@ ep93xx_wdt_write(struct file *file, const char __user *data, size_t len,
 	return len;
 }
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options = WDIOF_CARDRESET | WDIOF_MAGICCLOSE,
 	.identity = "EP93xx Watchdog",
 };
diff --git a/drivers/watchdog/eurotechwdt.c b/drivers/watchdog/eurotechwdt.c
index 9add3541fb42..d1c4e55b1db0 100644
--- a/drivers/watchdog/eurotechwdt.c
+++ b/drivers/watchdog/eurotechwdt.c
@@ -238,7 +238,7 @@ static long eurwdt_ioctl(struct file *file,
 {
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options	  = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT
 							| WDIOF_MAGICCLOSE,
 		.firmware_version = 1,
diff --git a/drivers/watchdog/gef_wdt.c b/drivers/watchdog/gef_wdt.c
index 734d9806a872..abdbad034a6c 100644
--- a/drivers/watchdog/gef_wdt.c
+++ b/drivers/watchdog/gef_wdt.c
@@ -1,9 +1,9 @@
 /*
- * GE Fanuc watchdog userspace interface
+ * GE watchdog userspace interface
  *
- * Author:  Martyn Welch <martyn.welch@gefanuc.com>
+ * Author:  Martyn Welch <martyn.welch@ge.com>
  *
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
  *
  * This program is free software; you can redistribute  it and/or modify it
  * under  the terms of  the GNU General  Public License as published by the
@@ -161,11 +161,11 @@ static long gef_wdt_ioctl(struct file *file, unsigned int cmd,
 	int timeout;
 	int options;
 	void __user *argp = (void __user *)arg;
-	static struct watchdog_info info = {
+	static const struct watchdog_info info = {
 		.options =	WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE |
 				WDIOF_KEEPALIVEPING,
 		.firmware_version = 0,
-		.identity = "GE Fanuc watchdog",
+		.identity = "GE watchdog",
 	};
 
 	switch (cmd) {
@@ -311,7 +311,7 @@ static struct of_platform_driver gef_wdt_driver = {
 
 static int __init gef_wdt_init(void)
 {
-	printk(KERN_INFO "GE Fanuc watchdog driver\n");
+	printk(KERN_INFO "GE watchdog driver\n");
 	return of_register_platform_driver(&gef_wdt_driver);
 }
 
@@ -323,8 +323,8 @@ static void __exit gef_wdt_exit(void)
 module_init(gef_wdt_init);
 module_exit(gef_wdt_exit);
 
-MODULE_AUTHOR("Martyn Welch <martyn.welch@gefanuc.com>");
-MODULE_DESCRIPTION("GE Fanuc watchdog driver");
+MODULE_AUTHOR("Martyn Welch <martyn.welch@ge.com>");
+MODULE_DESCRIPTION("GE watchdog driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform: gef_wdt");
diff --git a/drivers/watchdog/geodewdt.c b/drivers/watchdog/geodewdt.c
index 38252ff828ca..9b49b125ad5a 100644
--- a/drivers/watchdog/geodewdt.c
+++ b/drivers/watchdog/geodewdt.c
@@ -142,7 +142,7 @@ static long geodewdt_ioctl(struct file *file, unsigned int cmd,
 	int __user *p = argp;
 	int interval;
 
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING
 		| WDIOF_MAGICCLOSE,
 		.firmware_version =     1,
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index a6c5674c78e6..70c2c24660d0 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -554,7 +554,7 @@ static ssize_t hpwdt_write(struct file *file, const char __user *data,
 	return len;
 }
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options = WDIOF_SETTIMEOUT |
 		   WDIOF_KEEPALIVEPING |
 		   WDIOF_MAGICCLOSE,
diff --git a/drivers/watchdog/i6300esb.c b/drivers/watchdog/i6300esb.c
index 7ba0b11ec525..bb9750a03942 100644
--- a/drivers/watchdog/i6300esb.c
+++ b/drivers/watchdog/i6300esb.c
@@ -34,7 +34,6 @@
 #include <linux/mm.h>
 #include <linux/miscdevice.h>
 #include <linux/watchdog.h>
-#include <linux/platform_device.h>
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/ioport.h>
@@ -42,7 +41,7 @@
 #include <linux/io.h>
 
 /* Module and version information */
-#define ESB_VERSION "0.04"
+#define ESB_VERSION "0.05"
 #define ESB_MODULE_NAME "i6300ESB timer"
 #define ESB_DRIVER_NAME ESB_MODULE_NAME ", v" ESB_VERSION
 #define PFX ESB_MODULE_NAME ": "
@@ -65,7 +64,7 @@
 /* Config register bits */
 #define ESB_WDT_REBOOT  (0x01 << 5)   /* Enable reboot on timeout          */
 #define ESB_WDT_FREQ    (0x01 << 2)   /* Decrement frequency               */
-#define ESB_WDT_INTTYPE (0x11 << 0)   /* Interrupt type on timer1 timeout  */
+#define ESB_WDT_INTTYPE (0x03 << 0)   /* Interrupt type on timer1 timeout  */
 
 /* Reload register bits */
 #define ESB_WDT_TIMEOUT (0x01 << 9)    /* Watchdog timed out                */
@@ -82,7 +81,9 @@ static unsigned long timer_alive;
 static struct pci_dev *esb_pci;
 static unsigned short triggered; /* The status of the watchdog upon boot */
 static char esb_expect_close;
-static struct platform_device *esb_platform_device;
+
+/* We can only use 1 card due to the /dev/watchdog restriction */
+static int cards_found;
 
 /* module parameters */
 /* 30 sec default heartbeat (1 < heartbeat < 2*1023) */
@@ -111,8 +112,8 @@ MODULE_PARM_DESC(nowayout,
  */
 static inline void esb_unlock_registers(void)
 {
-	writeb(ESB_UNLOCK1, ESB_RELOAD_REG);
-	writeb(ESB_UNLOCK2, ESB_RELOAD_REG);
+	writew(ESB_UNLOCK1, ESB_RELOAD_REG);
+	writew(ESB_UNLOCK2, ESB_RELOAD_REG);
 }
 
 static int esb_timer_start(void)
@@ -256,7 +257,7 @@ static long esb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	int new_heartbeat;
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options =		WDIOF_SETTIMEOUT |
 					WDIOF_KEEPALIVEPING |
 					WDIOF_MAGICCLOSE,
@@ -332,11 +333,6 @@ static struct miscdevice esb_miscdev = {
 
 /*
  * Data for PCI driver interface
- *
- * This data only exists for exporting the supported
- * PCI ids via MODULE_DEVICE_TABLE.  We do not actually
- * register a pci_driver, because someone else might one day
- * want to register another driver on the same PCI id.
  */
 static struct pci_device_id esb_pci_tbl[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_9), },
@@ -348,29 +344,19 @@ MODULE_DEVICE_TABLE(pci, esb_pci_tbl);
  *      Init & exit routines
  */
 
-static unsigned char __devinit esb_getdevice(void)
+static unsigned char __devinit esb_getdevice(struct pci_dev *pdev)
 {
-	/*
-	 *      Find the PCI device
-	 */
-
-	esb_pci = pci_get_device(PCI_VENDOR_ID_INTEL,
-					PCI_DEVICE_ID_INTEL_ESB_9, NULL);
-
-	if (!esb_pci)
-		return 0;
-
-	if (pci_enable_device(esb_pci)) {
+	if (pci_enable_device(pdev)) {
 		printk(KERN_ERR PFX "failed to enable device\n");
 		goto err_devput;
 	}
 
-	if (pci_request_region(esb_pci, 0, ESB_MODULE_NAME)) {
+	if (pci_request_region(pdev, 0, ESB_MODULE_NAME)) {
 		printk(KERN_ERR PFX "failed to request region\n");
 		goto err_disable;
 	}
 
-	BASEADDR = pci_ioremap_bar(esb_pci, 0);
+	BASEADDR = pci_ioremap_bar(pdev, 0);
 	if (BASEADDR == NULL) {
 		/* Something's wrong here, BASEADDR has to be set */
 		printk(KERN_ERR PFX "failed to get BASEADDR\n");
@@ -378,14 +364,14 @@ static unsigned char __devinit esb_getdevice(void)
 	}
 
 	/* Done */
+	esb_pci = pdev;
 	return 1;
 
 err_release:
-	pci_release_region(esb_pci, 0);
+	pci_release_region(pdev, 0);
 err_disable:
-	pci_disable_device(esb_pci);
+	pci_disable_device(pdev);
 err_devput:
-	pci_dev_put(esb_pci);
 	return 0;
 }
 
@@ -430,12 +416,23 @@ static void __devinit esb_initdevice(void)
 	esb_timer_set_heartbeat(heartbeat);
 }
 
-static int __devinit esb_probe(struct platform_device *dev)
+static int __devinit esb_probe(struct pci_dev *pdev,
+		const struct pci_device_id *ent)
 {
 	int ret;
 
+	cards_found++;
+	if (cards_found == 1)
+		printk(KERN_INFO PFX "Intel 6300ESB WatchDog Timer Driver v%s\n",
+			ESB_VERSION);
+
+	if (cards_found > 1) {
+		printk(KERN_ERR PFX "This driver only supports 1 device\n");
+		return -ENODEV;
+	}
+
 	/* Check whether or not the hardware watchdog is there */
-	if (!esb_getdevice() || esb_pci == NULL)
+	if (!esb_getdevice(pdev) || esb_pci == NULL)
 		return -ENODEV;
 
 	/* Check that the heartbeat value is within it's range;
@@ -467,11 +464,11 @@ err_unmap:
 	iounmap(BASEADDR);
 	pci_release_region(esb_pci, 0);
 	pci_disable_device(esb_pci);
-	pci_dev_put(esb_pci);
+	esb_pci = NULL;
 	return ret;
 }
 
-static int __devexit esb_remove(struct platform_device *dev)
+static void __devexit esb_remove(struct pci_dev *pdev)
 {
 	/* Stop the timer before we leave */
 	if (!nowayout)
@@ -482,54 +479,30 @@ static int __devexit esb_remove(struct platform_device *dev)
 	iounmap(BASEADDR);
 	pci_release_region(esb_pci, 0);
 	pci_disable_device(esb_pci);
-	pci_dev_put(esb_pci);
-	return 0;
+	esb_pci = NULL;
 }
 
-static void esb_shutdown(struct platform_device *dev)
+static void esb_shutdown(struct pci_dev *pdev)
 {
 	esb_timer_stop();
 }
 
-static struct platform_driver esb_platform_driver = {
+static struct pci_driver esb_driver = {
+	.name		= ESB_MODULE_NAME,
+	.id_table	= esb_pci_tbl,
 	.probe          = esb_probe,
 	.remove         = __devexit_p(esb_remove),
 	.shutdown       = esb_shutdown,
-	.driver         = {
-		.owner  = THIS_MODULE,
-		.name   = ESB_MODULE_NAME,
-	},
 };
 
 static int __init watchdog_init(void)
 {
-	int err;
-
-	printk(KERN_INFO PFX "Intel 6300ESB WatchDog Timer Driver v%s\n",
-		ESB_VERSION);
-
-	err = platform_driver_register(&esb_platform_driver);
-	if (err)
-		return err;
-
-	esb_platform_device = platform_device_register_simple(ESB_MODULE_NAME,
-								-1, NULL, 0);
-	if (IS_ERR(esb_platform_device)) {
-		err = PTR_ERR(esb_platform_device);
-		goto unreg_platform_driver;
-	}
-
-	return 0;
-
-unreg_platform_driver:
-	platform_driver_unregister(&esb_platform_driver);
-	return err;
+	return pci_register_driver(&esb_driver);
 }
 
 static void __exit watchdog_cleanup(void)
 {
-	platform_device_unregister(esb_platform_device);
-	platform_driver_unregister(&esb_platform_driver);
+	pci_unregister_driver(&esb_driver);
 	printk(KERN_INFO PFX "Watchdog Module Unloaded.\n");
 }
 
diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index 4bdb7f1a9077..44bc6aa46edf 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -584,7 +584,7 @@ static long iTCO_wdt_ioctl(struct file *file, unsigned int cmd,
 	int new_heartbeat;
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options =		WDIOF_SETTIMEOUT |
 					WDIOF_KEEPALIVEPING |
 					WDIOF_MAGICCLOSE,
@@ -698,7 +698,7 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev,
 	if (iTCO_wdt_private.iTCO_version == 2) {
 		pci_read_config_dword(pdev, 0xf0, &base_address);
 		if ((base_address & 1) == 0) {
-			printk(KERN_ERR PFX "RCBA is disabled by harddware\n");
+			printk(KERN_ERR PFX "RCBA is disabled by hardware\n");
 			ret = -ENODEV;
 			goto out;
 		}
@@ -708,8 +708,8 @@ static int __devinit iTCO_wdt_init(struct pci_dev *pdev,
 
 	/* Check chipset's NO_REBOOT bit */
 	if (iTCO_wdt_unset_NO_REBOOT_bit() && iTCO_vendor_check_noreboot_on()) {
-		printk(KERN_ERR PFX "failed to reset NO_REBOOT flag, "
-					"reboot disabled by hardware\n");
+		printk(KERN_INFO PFX "unable to reset NO_REBOOT flag, "
+					"platform may have disabled it\n");
 		ret = -ENODEV;	/* Cannot reset NO_REBOOT bit */
 		goto out_unmap;
 	}
@@ -805,6 +805,7 @@ static void __devexit iTCO_wdt_cleanup(void)
 
 static int __devinit iTCO_wdt_probe(struct platform_device *dev)
 {
+	int ret = -ENODEV;
 	int found = 0;
 	struct pci_dev *pdev = NULL;
 	const struct pci_device_id *ent;
@@ -814,19 +815,17 @@ static int __devinit iTCO_wdt_probe(struct platform_device *dev)
 	for_each_pci_dev(pdev) {
 		ent = pci_match_id(iTCO_wdt_pci_tbl, pdev);
 		if (ent) {
-			if (!(iTCO_wdt_init(pdev, ent, dev))) {
-				found++;
+			found++;
+			ret = iTCO_wdt_init(pdev, ent, dev);
+			if (!ret)
 				break;
-			}
 		}
 	}
 
-	if (!found) {
+	if (!found)
 		printk(KERN_INFO PFX "No card detected\n");
-		return -ENODEV;
-	}
 
-	return 0;
+	return ret;
 }
 
 static int __devexit iTCO_wdt_remove(struct platform_device *dev)
diff --git a/drivers/watchdog/ib700wdt.c b/drivers/watchdog/ib700wdt.c
index 4bef3ddff4a5..0149d8dfc81d 100644
--- a/drivers/watchdog/ib700wdt.c
+++ b/drivers/watchdog/ib700wdt.c
@@ -174,7 +174,7 @@ static long ibwdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
 
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT
 							| WDIOF_MAGICCLOSE,
 		.firmware_version = 1,
diff --git a/drivers/watchdog/indydog.c b/drivers/watchdog/indydog.c
index bea8a124a559..1cc5609666d1 100644
--- a/drivers/watchdog/indydog.c
+++ b/drivers/watchdog/indydog.c
@@ -111,7 +111,7 @@ static long indydog_ioctl(struct file *file, unsigned int cmd,
 							unsigned long arg)
 {
 	int options, retval = -EINVAL;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options		= WDIOF_KEEPALIVEPING,
 		.firmware_version	= 0,
 		.identity		= "Hardware Watchdog for SGI IP22",
diff --git a/drivers/watchdog/it8712f_wdt.c b/drivers/watchdog/it8712f_wdt.c
index daed48ded7fe..f52c162b1bea 100644
--- a/drivers/watchdog/it8712f_wdt.c
+++ b/drivers/watchdog/it8712f_wdt.c
@@ -236,7 +236,7 @@ static long it8712f_wdt_ioctl(struct file *file, unsigned int cmd,
 {
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.identity = "IT8712F Watchdog",
 		.firmware_version = 1,
 		.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING |
diff --git a/drivers/watchdog/it87_wdt.c b/drivers/watchdog/it87_wdt.c
index cc133c531d08..b709b3b2d1ef 100644
--- a/drivers/watchdog/it87_wdt.c
+++ b/drivers/watchdog/it87_wdt.c
@@ -421,7 +421,7 @@ static ssize_t wdt_write(struct file *file, const char __user *buf,
 	return count;
 }
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options = WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING,
 	.firmware_version =	1,
 	.identity = WATCHDOG_NAME,
diff --git a/drivers/watchdog/ixp2000_wdt.c b/drivers/watchdog/ixp2000_wdt.c
index 3c79dc587958..e86952a7168c 100644
--- a/drivers/watchdog/ixp2000_wdt.c
+++ b/drivers/watchdog/ixp2000_wdt.c
@@ -100,7 +100,7 @@ static ssize_t ixp2000_wdt_write(struct file *file, const char *data,
 }
 
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options	= WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT |
 				WDIOF_KEEPALIVEPING,
 	.identity	= "IXP2000 Watchdog",
diff --git a/drivers/watchdog/ixp4xx_wdt.c b/drivers/watchdog/ixp4xx_wdt.c
index 147b4d5c63b3..e02c0ecda26b 100644
--- a/drivers/watchdog/ixp4xx_wdt.c
+++ b/drivers/watchdog/ixp4xx_wdt.c
@@ -89,7 +89,7 @@ ixp4xx_wdt_write(struct file *file, const char *data, size_t len, loff_t *ppos)
 	return len;
 }
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options	= WDIOF_CARDRESET | WDIOF_MAGICCLOSE |
 			  WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
 	.identity	= "IXP4xx Watchdog",
diff --git a/drivers/watchdog/ks8695_wdt.c b/drivers/watchdog/ks8695_wdt.c
index e1c82769b08e..2852bb2e3fd9 100644
--- a/drivers/watchdog/ks8695_wdt.c
+++ b/drivers/watchdog/ks8695_wdt.c
@@ -145,7 +145,7 @@ static int ks8695_wdt_close(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static struct watchdog_info ks8695_wdt_info = {
+static const struct watchdog_info ks8695_wdt_info = {
 	.identity	= "ks8695 watchdog",
 	.options	= WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
 };
diff --git a/drivers/watchdog/machzwd.c b/drivers/watchdog/machzwd.c
index 47d719717a3b..2d118cf022fc 100644
--- a/drivers/watchdog/machzwd.c
+++ b/drivers/watchdog/machzwd.c
@@ -101,7 +101,7 @@ MODULE_PARM_DESC(nowayout,
 
 #define PFX "machzwd"
 
-static struct watchdog_info zf_info = {
+static const struct watchdog_info zf_info = {
 	.options		= WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
 	.firmware_version	= 1,
 	.identity		= "ZF-Logic watchdog",
diff --git a/drivers/watchdog/max63xx_wdt.c b/drivers/watchdog/max63xx_wdt.c
new file mode 100644
index 000000000000..6eb91d757604
--- /dev/null
+++ b/drivers/watchdog/max63xx_wdt.c
@@ -0,0 +1,397 @@
+/*
+ * drivers/char/watchdog/max63xx_wdt.c
+ *
+ * Driver for max63{69,70,71,72,73,74} watchdog timers
+ *
+ * Copyright (C) 2009 Marc Zyngier <maz@misterjones.org>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ *
+ * This driver assumes the watchdog pins are memory mapped (as it is
+ * the case for the Arcom Zeus). Should it be connected over GPIOs or
+ * another interface, some abstraction will have to be introduced.
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/fs.h>
+#include <linux/miscdevice.h>
+#include <linux/watchdog.h>
+#include <linux/init.h>
+#include <linux/bitops.h>
+#include <linux/platform_device.h>
+#include <linux/spinlock.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
+#include <linux/device.h>
+
+#define DEFAULT_HEARTBEAT 60
+#define MAX_HEARTBEAT     60
+
+static int heartbeat = DEFAULT_HEARTBEAT;
+static int nowayout  = WATCHDOG_NOWAYOUT;
+
+/*
+ * Memory mapping: a single byte, 3 first lower bits to select bit 3
+ * to ping the watchdog.
+ */
+#define MAX6369_WDSET	(7 << 0)
+#define MAX6369_WDI   	(1 << 3)
+
+static DEFINE_SPINLOCK(io_lock);
+
+static unsigned long wdt_status;
+#define WDT_IN_USE	0
+#define WDT_RUNNING	1
+#define WDT_OK_TO_CLOSE 2
+
+static int nodelay;
+static struct resource	*wdt_mem;
+static void __iomem	*wdt_base;
+static struct platform_device *max63xx_pdev;
+
+/*
+ * The timeout values used are actually the absolute minimum the chip
+ * offers. Typical values on my board are slightly over twice as long
+ * (10s setting ends up with a 25s timeout), and can be up to 3 times
+ * the nominal setting (according to the datasheet). So please take
+ * these values with a grain of salt. Same goes for the initial delay
+ * "feature". Only max6373/74 have a few settings without this initial
+ * delay (selected with the "nodelay" parameter).
+ *
+ * I also decided to remove from the tables any timeout smaller than a
+ * second, as it looked completly overkill...
+ */
+
+/* Timeouts in second */
+struct max63xx_timeout {
+	u8 wdset;
+	u8 tdelay;
+	u8 twd;
+};
+
+static struct max63xx_timeout max6369_table[] = {
+	{ 5,  1,  1 },
+	{ 6, 10, 10 },
+	{ 7, 60, 60 },
+	{ },
+};
+
+static struct max63xx_timeout max6371_table[] = {
+	{ 6, 60,  3 },
+	{ 7, 60, 60 },
+	{ },
+};
+
+static struct max63xx_timeout max6373_table[] = {
+	{ 2, 60,  1 },
+	{ 5,  0,  1 },
+	{ 1,  3,  3 },
+	{ 7, 60, 10 },
+	{ 6,  0, 10 },
+	{ },
+};
+
+static struct max63xx_timeout *current_timeout;
+
+static struct max63xx_timeout *
+max63xx_select_timeout(struct max63xx_timeout *table, int value)
+{
+	while (table->twd) {
+		if (value <= table->twd) {
+			if (nodelay && table->tdelay == 0)
+				return table;
+
+			if (!nodelay)
+				return table;
+		}
+
+		table++;
+	}
+
+	return NULL;
+}
+
+static void max63xx_wdt_ping(void)
+{
+	u8 val;
+
+	spin_lock(&io_lock);
+
+	val = __raw_readb(wdt_base);
+
+	__raw_writeb(val | MAX6369_WDI, wdt_base);
+	__raw_writeb(val & ~MAX6369_WDI, wdt_base);
+
+	spin_unlock(&io_lock);
+}
+
+static void max63xx_wdt_enable(struct max63xx_timeout *entry)
+{
+	u8 val;
+
+	if (test_and_set_bit(WDT_RUNNING, &wdt_status))
+		return;
+
+	spin_lock(&io_lock);
+
+	val = __raw_readb(wdt_base);
+	val &= ~MAX6369_WDSET;
+	val |= entry->wdset;
+	__raw_writeb(val, wdt_base);
+
+	spin_unlock(&io_lock);
+
+	/* check for a edge triggered startup */
+	if (entry->tdelay == 0)
+		max63xx_wdt_ping();
+}
+
+static void max63xx_wdt_disable(void)
+{
+	spin_lock(&io_lock);
+
+	__raw_writeb(3, wdt_base);
+
+	spin_unlock(&io_lock);
+
+	clear_bit(WDT_RUNNING, &wdt_status);
+}
+
+static int max63xx_wdt_open(struct inode *inode, struct file *file)
+{
+	if (test_and_set_bit(WDT_IN_USE, &wdt_status))
+		return -EBUSY;
+
+	max63xx_wdt_enable(current_timeout);
+	clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
+
+	return nonseekable_open(inode, file);
+}
+
+static ssize_t max63xx_wdt_write(struct file *file, const char *data,
+				 size_t len, loff_t *ppos)
+{
+	if (len) {
+		if (!nowayout) {
+			size_t i;
+
+			clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
+			for (i = 0; i != len; i++) {
+				char c;
+
+				if (get_user(c, data + i))
+					return -EFAULT;
+
+				if (c == 'V')
+					set_bit(WDT_OK_TO_CLOSE, &wdt_status);
+			}
+		}
+
+		max63xx_wdt_ping();
+	}
+
+	return len;
+}
+
+static const struct watchdog_info ident = {
+	.options = WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING,
+	.identity = "max63xx Watchdog",
+};
+
+static long max63xx_wdt_ioctl(struct file *file, unsigned int cmd,
+			      unsigned long arg)
+{
+	int ret = -ENOTTY;
+
+	switch (cmd) {
+	case WDIOC_GETSUPPORT:
+		ret = copy_to_user((struct watchdog_info *)arg, &ident,
+				   sizeof(ident)) ? -EFAULT : 0;
+		break;
+
+	case WDIOC_GETSTATUS:
+	case WDIOC_GETBOOTSTATUS:
+		ret = put_user(0, (int *)arg);
+		break;
+
+	case WDIOC_KEEPALIVE:
+		max63xx_wdt_ping();
+		ret = 0;
+		break;
+
+	case WDIOC_GETTIMEOUT:
+		ret = put_user(heartbeat, (int *)arg);
+		break;
+	}
+	return ret;
+}
+
+static int max63xx_wdt_release(struct inode *inode, struct file *file)
+{
+	if (test_bit(WDT_OK_TO_CLOSE, &wdt_status))
+		max63xx_wdt_disable();
+	else
+		dev_crit(&max63xx_pdev->dev,
+			 "device closed unexpectedly - timer will not stop\n");
+
+	clear_bit(WDT_IN_USE, &wdt_status);
+	clear_bit(WDT_OK_TO_CLOSE, &wdt_status);
+
+	return 0;
+}
+
+static const struct file_operations max63xx_wdt_fops = {
+	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
+	.write		= max63xx_wdt_write,
+	.unlocked_ioctl	= max63xx_wdt_ioctl,
+	.open		= max63xx_wdt_open,
+	.release	= max63xx_wdt_release,
+};
+
+static struct miscdevice max63xx_wdt_miscdev = {
+	.minor	= WATCHDOG_MINOR,
+	.name	= "watchdog",
+	.fops	= &max63xx_wdt_fops,
+};
+
+static int __devinit max63xx_wdt_probe(struct platform_device *pdev)
+{
+	int ret = 0;
+	int size;
+	struct resource *res;
+	struct device *dev = &pdev->dev;
+	struct max63xx_timeout *table;
+
+	table = (struct max63xx_timeout *)pdev->id_entry->driver_data;
+
+	if (heartbeat < 1 || heartbeat > MAX_HEARTBEAT)
+		heartbeat = DEFAULT_HEARTBEAT;
+
+	dev_info(dev, "requesting %ds heartbeat\n", heartbeat);
+	current_timeout = max63xx_select_timeout(table, heartbeat);
+
+	if (!current_timeout) {
+		dev_err(dev, "unable to satisfy heartbeat request\n");
+		return -EINVAL;
+	}
+
+	dev_info(dev, "using %ds heartbeat with %ds initial delay\n",
+		 current_timeout->twd, current_timeout->tdelay);
+
+	heartbeat = current_timeout->twd;
+
+	max63xx_pdev = pdev;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (res == NULL) {
+		dev_err(dev, "failed to get memory region resource\n");
+		return -ENOENT;
+	}
+
+	size = resource_size(res);
+	wdt_mem = request_mem_region(res->start, size, pdev->name);
+
+	if (wdt_mem == NULL) {
+		dev_err(dev, "failed to get memory region\n");
+		return -ENOENT;
+	}
+
+	wdt_base = ioremap(res->start, size);
+	if (!wdt_base) {
+		dev_err(dev, "failed to map memory region\n");
+		ret = -ENOMEM;
+		goto out_request;
+	}
+
+	ret = misc_register(&max63xx_wdt_miscdev);
+	if (ret < 0) {
+		dev_err(dev, "cannot register misc device\n");
+		goto out_unmap;
+	}
+
+	return 0;
+
+out_unmap:
+	iounmap(wdt_base);
+out_request:
+	release_resource(wdt_mem);
+	kfree(wdt_mem);
+
+	return ret;
+}
+
+static int __devexit max63xx_wdt_remove(struct platform_device *pdev)
+{
+	misc_deregister(&max63xx_wdt_miscdev);
+	if (wdt_mem) {
+		release_resource(wdt_mem);
+		kfree(wdt_mem);
+		wdt_mem = NULL;
+	}
+
+	if (wdt_base)
+		iounmap(wdt_base);
+
+	return 0;
+}
+
+static struct platform_device_id max63xx_id_table[] = {
+	{ "max6369_wdt", (kernel_ulong_t)max6369_table, },
+	{ "max6370_wdt", (kernel_ulong_t)max6369_table, },
+	{ "max6371_wdt", (kernel_ulong_t)max6371_table, },
+	{ "max6372_wdt", (kernel_ulong_t)max6371_table, },
+	{ "max6373_wdt", (kernel_ulong_t)max6373_table, },
+	{ "max6374_wdt", (kernel_ulong_t)max6373_table, },
+	{ },
+};
+MODULE_DEVICE_TABLE(platform, max63xx_id_table);
+
+static struct platform_driver max63xx_wdt_driver = {
+	.probe		= max63xx_wdt_probe,
+	.remove		= __devexit_p(max63xx_wdt_remove),
+	.id_table	= max63xx_id_table,
+	.driver		= {
+		.name	= "max63xx_wdt",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init max63xx_wdt_init(void)
+{
+	return platform_driver_register(&max63xx_wdt_driver);
+}
+
+static void __exit max63xx_wdt_exit(void)
+{
+	platform_driver_unregister(&max63xx_wdt_driver);
+}
+
+module_init(max63xx_wdt_init);
+module_exit(max63xx_wdt_exit);
+
+MODULE_AUTHOR("Marc Zyngier <maz@misterjones.org>");
+MODULE_DESCRIPTION("max63xx Watchdog Driver");
+
+module_param(heartbeat, int, 0);
+MODULE_PARM_DESC(heartbeat,
+		 "Watchdog heartbeat period in seconds from 1 to "
+		 __MODULE_STRING(MAX_HEARTBEAT) ", default "
+		 __MODULE_STRING(DEFAULT_HEARTBEAT));
+
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
+		 __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+module_param(nodelay, int, 0);
+MODULE_PARM_DESC(nodelay,
+		 "Force selection of a timeout setting without initial delay "
+		 "(max6373/74 only, default=0)");
+
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/mixcomwd.c b/drivers/watchdog/mixcomwd.c
index 407b025cb104..bc820d16699a 100644
--- a/drivers/watchdog/mixcomwd.c
+++ b/drivers/watchdog/mixcomwd.c
@@ -201,7 +201,7 @@ static long mixcomwd_ioctl(struct file *file,
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
 	int status;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options = WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
 		.firmware_version = 1,
 		.identity = "MixCOM watchdog",
diff --git a/drivers/watchdog/mpc8xxx_wdt.c b/drivers/watchdog/mpc8xxx_wdt.c
index 38c588ee694f..4e3941c5e293 100644
--- a/drivers/watchdog/mpc8xxx_wdt.c
+++ b/drivers/watchdog/mpc8xxx_wdt.c
@@ -148,7 +148,7 @@ static long mpc8xxx_wdt_ioctl(struct file *file, unsigned int cmd,
 {
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options = WDIOF_KEEPALIVEPING,
 		.firmware_version = 1,
 		.identity = "MPC8xxx",
diff --git a/drivers/watchdog/mpcore_wdt.c b/drivers/watchdog/mpcore_wdt.c
index a2dc07c2ed49..b0646dac924e 100644
--- a/drivers/watchdog/mpcore_wdt.c
+++ b/drivers/watchdog/mpcore_wdt.c
@@ -213,7 +213,7 @@ static ssize_t mpcore_wdt_write(struct file *file, const char *data,
 	return len;
 }
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options		= WDIOF_SETTIMEOUT |
 				  WDIOF_KEEPALIVEPING |
 				  WDIOF_MAGICCLOSE,
diff --git a/drivers/watchdog/mv64x60_wdt.c b/drivers/watchdog/mv64x60_wdt.c
index a51dbe4c43da..97f8a48d8b78 100644
--- a/drivers/watchdog/mv64x60_wdt.c
+++ b/drivers/watchdog/mv64x60_wdt.c
@@ -179,7 +179,7 @@ static long mv64x60_wdt_ioctl(struct file *file,
 	int timeout;
 	int options;
 	void __user *argp = (void __user *)arg;
-	static struct watchdog_info info = {
+	static const struct watchdog_info info = {
 		.options =	WDIOF_SETTIMEOUT	|
 				WDIOF_MAGICCLOSE	|
 				WDIOF_KEEPALIVEPING,
diff --git a/drivers/watchdog/pc87413_wdt.c b/drivers/watchdog/pc87413_wdt.c
index 1a2b916e3f8d..d3aa2f1fe61d 100644
--- a/drivers/watchdog/pc87413_wdt.c
+++ b/drivers/watchdog/pc87413_wdt.c
@@ -407,7 +407,7 @@ static long pc87413_ioctl(struct file *file, unsigned int cmd,
 		int __user *i;
 	} uarg;
 
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options          = WDIOF_KEEPALIVEPING |
 				    WDIOF_SETTIMEOUT |
 				    WDIOF_MAGICCLOSE,
diff --git a/drivers/watchdog/pcwd.c b/drivers/watchdog/pcwd.c
index aa9512321f3a..06f7922606c0 100644
--- a/drivers/watchdog/pcwd.c
+++ b/drivers/watchdog/pcwd.c
@@ -606,7 +606,7 @@ static long pcwd_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	int temperature;
 	int new_heartbeat;
 	int __user *argp = (int __user *)arg;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options =		WDIOF_OVERHEAT |
 					WDIOF_CARDRESET |
 					WDIOF_KEEPALIVEPING |
diff --git a/drivers/watchdog/pcwd_pci.c b/drivers/watchdog/pcwd_pci.c
index 698f51bff1bc..64374d636f09 100644
--- a/drivers/watchdog/pcwd_pci.c
+++ b/drivers/watchdog/pcwd_pci.c
@@ -481,7 +481,7 @@ static long pcipcwd_ioctl(struct file *file, unsigned int cmd,
 {
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options =		WDIOF_OVERHEAT |
 					WDIOF_CARDRESET |
 					WDIOF_KEEPALIVEPING |
diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c
index 052fe451851f..8e4eacc5bb52 100644
--- a/drivers/watchdog/pcwd_usb.c
+++ b/drivers/watchdog/pcwd_usb.c
@@ -404,7 +404,7 @@ static long usb_pcwd_ioctl(struct file *file, unsigned int cmd,
 {
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options =		WDIOF_KEEPALIVEPING |
 					WDIOF_SETTIMEOUT |
 					WDIOF_MAGICCLOSE,
diff --git a/drivers/watchdog/pika_wdt.c b/drivers/watchdog/pika_wdt.c
index 2d22e996e996..435ec2aed4fe 100644
--- a/drivers/watchdog/pika_wdt.c
+++ b/drivers/watchdog/pika_wdt.c
@@ -52,7 +52,7 @@ static struct {
 	struct timer_list timer;	/* The timer that pings the watchdog */
 } pikawdt_private;
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.identity	= DRV_NAME,
 	.options	= WDIOF_CARDRESET |
 			  WDIOF_SETTIMEOUT |
diff --git a/drivers/watchdog/pnx833x_wdt.c b/drivers/watchdog/pnx833x_wdt.c
index 538ec2c05197..09102f09e681 100644
--- a/drivers/watchdog/pnx833x_wdt.c
+++ b/drivers/watchdog/pnx833x_wdt.c
@@ -141,7 +141,7 @@ static long pnx833x_wdt_ioctl(struct file *file, unsigned int cmd,
 	int options, new_timeout = 0;
 	uint32_t timeout, timeout_left = 0;
 
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT,
 		.firmware_version = 0,
 		.identity = "Hardware Watchdog for PNX833x",
diff --git a/drivers/watchdog/rc32434_wdt.c b/drivers/watchdog/rc32434_wdt.c
index bf12d06b5877..d4c29b5311a4 100644
--- a/drivers/watchdog/rc32434_wdt.c
+++ b/drivers/watchdog/rc32434_wdt.c
@@ -198,7 +198,7 @@ static long rc32434_wdt_ioctl(struct file *file, unsigned int cmd,
 	void __user *argp = (void __user *)arg;
 	int new_timeout;
 	unsigned int value;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options =		WDIOF_SETTIMEOUT |
 					WDIOF_KEEPALIVEPING |
 					WDIOF_MAGICCLOSE,
diff --git a/drivers/watchdog/rdc321x_wdt.c b/drivers/watchdog/rdc321x_wdt.c
index 4976bfd1fce6..69c6adbd8205 100644
--- a/drivers/watchdog/rdc321x_wdt.c
+++ b/drivers/watchdog/rdc321x_wdt.c
@@ -149,7 +149,7 @@ static long rdc321x_wdt_ioctl(struct file *file, unsigned int cmd,
 {
 	void __user *argp = (void __user *)arg;
 	unsigned int value;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options = WDIOF_CARDRESET,
 		.identity = "RDC321x WDT",
 	};
diff --git a/drivers/watchdog/riowd.c b/drivers/watchdog/riowd.c
index c14ae8676903..ae57bf9e1b03 100644
--- a/drivers/watchdog/riowd.c
+++ b/drivers/watchdog/riowd.c
@@ -85,7 +85,7 @@ static int riowd_release(struct inode *inode, struct file *filp)
 
 static long riowd_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 {
-	static struct watchdog_info info = {
+	static const struct watchdog_info info = {
 		.options		= WDIOF_SETTIMEOUT,
 		.firmware_version	= 1,
 		.identity		= DRIVER_NAME,
diff --git a/drivers/watchdog/sbc_fitpc2_wdt.c b/drivers/watchdog/sbc_fitpc2_wdt.c
index e6763d2a567b..8d44c9b6fb5b 100644
--- a/drivers/watchdog/sbc_fitpc2_wdt.c
+++ b/drivers/watchdog/sbc_fitpc2_wdt.c
@@ -111,7 +111,7 @@ out:
 }
 
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options	= WDIOF_MAGICCLOSE | WDIOF_SETTIMEOUT |
 				WDIOF_KEEPALIVEPING,
 	.identity	= WATCHDOG_NAME,
diff --git a/drivers/watchdog/sch311x_wdt.c b/drivers/watchdog/sch311x_wdt.c
index 569eb295a7a8..9c40f48804f5 100644
--- a/drivers/watchdog/sch311x_wdt.c
+++ b/drivers/watchdog/sch311x_wdt.c
@@ -250,7 +250,7 @@ static long sch311x_wdt_ioctl(struct file *file, unsigned int cmd,
 	int new_timeout;
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options		= WDIOF_KEEPALIVEPING |
 					  WDIOF_SETTIMEOUT |
 					  WDIOF_MAGICCLOSE,
diff --git a/drivers/watchdog/stmp3xxx_wdt.c b/drivers/watchdog/stmp3xxx_wdt.c
index 5dd952681f32..b3421fd2cda8 100644
--- a/drivers/watchdog/stmp3xxx_wdt.c
+++ b/drivers/watchdog/stmp3xxx_wdt.c
@@ -94,7 +94,7 @@ static ssize_t stmp3xxx_wdt_write(struct file *file, const char __user *data,
 	return len;
 }
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options	= WDIOF_CARDRESET |
 			  WDIOF_MAGICCLOSE |
 			  WDIOF_SETTIMEOUT |
diff --git a/drivers/watchdog/ts72xx_wdt.c b/drivers/watchdog/ts72xx_wdt.c
new file mode 100644
index 000000000000..565a2c3321e5
--- /dev/null
+++ b/drivers/watchdog/ts72xx_wdt.c
@@ -0,0 +1,520 @@
+/*
+ * Watchdog driver for Technologic Systems TS-72xx based SBCs
+ * (TS-7200, TS-7250 and TS-7260). These boards have external
+ * glue logic CPLD chip, which includes programmable watchdog
+ * timer.
+ *
+ * Copyright (c) 2009 Mika Westerberg <mika.westerberg@iki.fi>
+ *
+ * This driver is based on ep93xx_wdt and wm831x_wdt drivers.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/fs.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/miscdevice.h>
+#include <linux/mutex.h>
+#include <linux/platform_device.h>
+#include <linux/watchdog.h>
+#include <linux/uaccess.h>
+
+#define TS72XX_WDT_FEED_VAL		0x05
+#define TS72XX_WDT_DEFAULT_TIMEOUT	8
+
+static int timeout = TS72XX_WDT_DEFAULT_TIMEOUT;
+module_param(timeout, int, 0);
+MODULE_PARM_DESC(timeout, "Watchdog timeout in seconds. "
+			  "(1 <= timeout <= 8, default="
+			  __MODULE_STRING(TS72XX_WDT_DEFAULT_TIMEOUT)
+			  ")");
+
+static int nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, int, 0);
+MODULE_PARM_DESC(nowayout, "Disable watchdog shutdown on close");
+
+/**
+ * struct ts72xx_wdt - watchdog control structure
+ * @lock: lock that protects this structure
+ * @regval: watchdog timeout value suitable for control register
+ * @flags: flags controlling watchdog device state
+ * @control_reg: watchdog control register
+ * @feed_reg: watchdog feed register
+ * @pdev: back pointer to platform dev
+ */
+struct ts72xx_wdt {
+	struct mutex	lock;
+	int		regval;
+
+#define TS72XX_WDT_BUSY_FLAG		1
+#define TS72XX_WDT_EXPECT_CLOSE_FLAG	2
+	int		flags;
+
+	void __iomem	*control_reg;
+	void __iomem	*feed_reg;
+
+	struct platform_device *pdev;
+};
+
+struct platform_device *ts72xx_wdt_pdev;
+
+/*
+ * TS-72xx Watchdog supports following timeouts (value written
+ * to control register):
+ *	value	description
+ *	-------------------------
+ * 	0x00	watchdog disabled
+ *	0x01	250ms
+ *	0x02	500ms
+ *	0x03	1s
+ *	0x04	reserved
+ *	0x05	2s
+ *	0x06	4s
+ *	0x07	8s
+ *
+ * Timeouts below 1s are not very usable so we don't
+ * allow them at all.
+ *
+ * We provide two functions that convert between these:
+ * timeout_to_regval() and regval_to_timeout().
+ */
+static const struct {
+	int	timeout;
+	int	regval;
+} ts72xx_wdt_map[] = {
+	{ 1, 3 },
+	{ 2, 5 },
+	{ 4, 6 },
+	{ 8, 7 },
+};
+
+/**
+ * timeout_to_regval() - converts given timeout to control register value
+ * @new_timeout: timeout in seconds to be converted
+ *
+ * Function converts given @new_timeout into valid value that can
+ * be programmed into watchdog control register. When conversion is
+ * not possible, function returns %-EINVAL.
+ */
+static int timeout_to_regval(int new_timeout)
+{
+	int i;
+
+	/* first limit it to 1 - 8 seconds */
+	new_timeout = clamp_val(new_timeout, 1, 8);
+
+	for (i = 0; i < ARRAY_SIZE(ts72xx_wdt_map); i++) {
+		if (ts72xx_wdt_map[i].timeout >= new_timeout)
+			return ts72xx_wdt_map[i].regval;
+	}
+
+	return -EINVAL;
+}
+
+/**
+ * regval_to_timeout() - converts control register value to timeout
+ * @regval: control register value to be converted
+ *
+ * Function converts given @regval to timeout in seconds (1, 2, 4 or 8).
+ * If @regval cannot be converted, function returns %-EINVAL.
+ */
+static int regval_to_timeout(int regval)
+{
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(ts72xx_wdt_map); i++) {
+		if (ts72xx_wdt_map[i].regval == regval)
+			return ts72xx_wdt_map[i].timeout;
+	}
+
+	return -EINVAL;
+}
+
+/**
+ * ts72xx_wdt_kick() - kick the watchdog
+ * @wdt: watchdog to be kicked
+ *
+ * Called with @wdt->lock held.
+ */
+static inline void ts72xx_wdt_kick(struct ts72xx_wdt *wdt)
+{
+	__raw_writeb(TS72XX_WDT_FEED_VAL, wdt->feed_reg);
+}
+
+/**
+ * ts72xx_wdt_start() - starts the watchdog timer
+ * @wdt: watchdog to be started
+ *
+ * This function programs timeout to watchdog timer
+ * and starts it.
+ *
+ * Called with @wdt->lock held.
+ */
+static void ts72xx_wdt_start(struct ts72xx_wdt *wdt)
+{
+	/*
+	 * To program the wdt, it first must be "fed" and
+	 * only after that (within 30 usecs) the configuration
+	 * can be changed.
+	 */
+	ts72xx_wdt_kick(wdt);
+	__raw_writeb((u8)wdt->regval, wdt->control_reg);
+}
+
+/**
+ * ts72xx_wdt_stop() - stops the watchdog timer
+ * @wdt: watchdog to be stopped
+ *
+ * Called with @wdt->lock held.
+ */
+static void ts72xx_wdt_stop(struct ts72xx_wdt *wdt)
+{
+	ts72xx_wdt_kick(wdt);
+	__raw_writeb(0, wdt->control_reg);
+}
+
+static int ts72xx_wdt_open(struct inode *inode, struct file *file)
+{
+	struct ts72xx_wdt *wdt = platform_get_drvdata(ts72xx_wdt_pdev);
+	int regval;
+
+	/*
+	 * Try to convert default timeout to valid register
+	 * value first.
+	 */
+	regval = timeout_to_regval(timeout);
+	if (regval < 0) {
+		dev_err(&wdt->pdev->dev,
+			"failed to convert timeout (%d) to register value\n",
+			timeout);
+		return -EINVAL;
+	}
+
+	if (mutex_lock_interruptible(&wdt->lock))
+		return -ERESTARTSYS;
+
+	if ((wdt->flags & TS72XX_WDT_BUSY_FLAG) != 0) {
+		mutex_unlock(&wdt->lock);
+		return -EBUSY;
+	}
+
+	wdt->flags = TS72XX_WDT_BUSY_FLAG;
+	wdt->regval = regval;
+	file->private_data = wdt;
+
+	ts72xx_wdt_start(wdt);
+
+	mutex_unlock(&wdt->lock);
+	return nonseekable_open(inode, file);
+}
+
+static int ts72xx_wdt_release(struct inode *inode, struct file *file)
+{
+	struct ts72xx_wdt *wdt = file->private_data;
+
+	if (mutex_lock_interruptible(&wdt->lock))
+		return -ERESTARTSYS;
+
+	if ((wdt->flags & TS72XX_WDT_EXPECT_CLOSE_FLAG) != 0) {
+		ts72xx_wdt_stop(wdt);
+	} else {
+		dev_warn(&wdt->pdev->dev,
+			 "TS-72XX WDT device closed unexpectly. "
+			 "Watchdog timer will not stop!\n");
+		/*
+		 * Kick it one more time, to give userland some time
+		 * to recover (for example, respawning the kicker
+		 * daemon).
+		 */
+		ts72xx_wdt_kick(wdt);
+	}
+
+	wdt->flags = 0;
+
+	mutex_unlock(&wdt->lock);
+	return 0;
+}
+
+static ssize_t ts72xx_wdt_write(struct file *file,
+				const char __user *data,
+				size_t len,
+				loff_t *ppos)
+{
+	struct ts72xx_wdt *wdt = file->private_data;
+
+	if (!len)
+		return 0;
+
+	if (mutex_lock_interruptible(&wdt->lock))
+		return -ERESTARTSYS;
+
+	ts72xx_wdt_kick(wdt);
+
+	/*
+	 * Support for magic character closing. User process
+	 * writes 'V' into the device, just before it is closed.
+	 * This means that we know that the wdt timer can be
+	 * stopped after user closes the device.
+	 */
+	if (!nowayout) {
+		int i;
+
+		for (i = 0; i < len; i++) {
+			char c;
+
+			/* In case it was set long ago */
+			wdt->flags &= ~TS72XX_WDT_EXPECT_CLOSE_FLAG;
+
+			if (get_user(c, data + i)) {
+				mutex_unlock(&wdt->lock);
+				return -EFAULT;
+			}
+			if (c == 'V') {
+				wdt->flags |= TS72XX_WDT_EXPECT_CLOSE_FLAG;
+				break;
+			}
+		}
+	}
+
+	mutex_unlock(&wdt->lock);
+	return len;
+}
+
+static const struct watchdog_info winfo = {
+	.options		= WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT |
+				  WDIOF_MAGICCLOSE,
+	.firmware_version	= 1,
+	.identity		= "TS-72XX WDT",
+};
+
+static long ts72xx_wdt_ioctl(struct file *file, unsigned int cmd,
+			     unsigned long arg)
+{
+	struct ts72xx_wdt *wdt = file->private_data;
+	void __user *argp = (void __user *)arg;
+	int __user *p = (int __user *)argp;
+	int error = 0;
+
+	if (mutex_lock_interruptible(&wdt->lock))
+		return -ERESTARTSYS;
+
+	switch (cmd) {
+	case WDIOC_GETSUPPORT:
+		error = copy_to_user(argp, &winfo, sizeof(winfo));
+		break;
+
+	case WDIOC_GETSTATUS:
+	case WDIOC_GETBOOTSTATUS:
+		return put_user(0, p);
+
+	case WDIOC_KEEPALIVE:
+		ts72xx_wdt_kick(wdt);
+		break;
+
+	case WDIOC_SETOPTIONS: {
+		int options;
+
+		if (get_user(options, p)) {
+			error = -EFAULT;
+			break;
+		}
+
+		error = -EINVAL;
+
+		if ((options & WDIOS_DISABLECARD) != 0) {
+			ts72xx_wdt_stop(wdt);
+			error = 0;
+		}
+		if ((options & WDIOS_ENABLECARD) != 0) {
+			ts72xx_wdt_start(wdt);
+			error = 0;
+		}
+
+		break;
+	}
+
+	case WDIOC_SETTIMEOUT: {
+		int new_timeout;
+
+		if (get_user(new_timeout, p)) {
+			error = -EFAULT;
+		} else {
+			int regval;
+
+			regval = timeout_to_regval(new_timeout);
+			if (regval < 0) {
+				error = -EINVAL;
+			} else {
+				ts72xx_wdt_stop(wdt);
+				wdt->regval = regval;
+				ts72xx_wdt_start(wdt);
+			}
+		}
+		if (error)
+			break;
+
+		/*FALLTHROUGH*/
+	}
+
+	case WDIOC_GETTIMEOUT:
+		if (put_user(regval_to_timeout(wdt->regval), p))
+			error = -EFAULT;
+		break;
+
+	default:
+		error = -ENOTTY;
+		break;
+	}
+
+	mutex_unlock(&wdt->lock);
+	return error;
+}
+
+static const struct file_operations ts72xx_wdt_fops = {
+	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
+	.open		= ts72xx_wdt_open,
+	.release	= ts72xx_wdt_release,
+	.write		= ts72xx_wdt_write,
+	.unlocked_ioctl	= ts72xx_wdt_ioctl,
+};
+
+static struct miscdevice ts72xx_wdt_miscdev = {
+	.minor		= WATCHDOG_MINOR,
+	.name		= "watchdog",
+	.fops		= &ts72xx_wdt_fops,
+};
+
+static __devinit int ts72xx_wdt_probe(struct platform_device *pdev)
+{
+	struct ts72xx_wdt *wdt;
+	struct resource *r1, *r2;
+	int error = 0;
+
+	wdt = kzalloc(sizeof(struct ts72xx_wdt), GFP_KERNEL);
+	if (!wdt) {
+		dev_err(&pdev->dev, "failed to allocate memory\n");
+		return -ENOMEM;
+	}
+
+	r1 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!r1) {
+		dev_err(&pdev->dev, "failed to get memory resource\n");
+		error = -ENODEV;
+		goto fail;
+	}
+
+	r1 = request_mem_region(r1->start, resource_size(r1), pdev->name);
+	if (!r1) {
+		dev_err(&pdev->dev, "cannot request memory region\n");
+		error = -EBUSY;
+		goto fail;
+	}
+
+	wdt->control_reg = ioremap(r1->start, resource_size(r1));
+	if (!wdt->control_reg) {
+		dev_err(&pdev->dev, "failed to map memory\n");
+		error = -ENODEV;
+		goto fail_free_control;
+	}
+
+	r2 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+	if (!r2) {
+		dev_err(&pdev->dev, "failed to get memory resource\n");
+		error = -ENODEV;
+		goto fail_unmap_control;
+	}
+
+	r2 = request_mem_region(r2->start, resource_size(r2), pdev->name);
+	if (!r2) {
+		dev_err(&pdev->dev, "cannot request memory region\n");
+		error = -EBUSY;
+		goto fail_unmap_control;
+	}
+
+	wdt->feed_reg = ioremap(r2->start, resource_size(r2));
+	if (!wdt->feed_reg) {
+		dev_err(&pdev->dev, "failed to map memory\n");
+		error = -ENODEV;
+		goto fail_free_feed;
+	}
+
+	platform_set_drvdata(pdev, wdt);
+	ts72xx_wdt_pdev = pdev;
+	wdt->pdev = pdev;
+	mutex_init(&wdt->lock);
+
+	error = misc_register(&ts72xx_wdt_miscdev);
+	if (error) {
+		dev_err(&pdev->dev, "failed to register miscdev\n");
+		goto fail_unmap_feed;
+	}
+
+	dev_info(&pdev->dev, "TS-72xx Watchdog driver\n");
+
+	return 0;
+
+fail_unmap_feed:
+	platform_set_drvdata(pdev, NULL);
+	iounmap(wdt->feed_reg);
+fail_free_feed:
+	release_mem_region(r2->start, resource_size(r2));
+fail_unmap_control:
+	iounmap(wdt->control_reg);
+fail_free_control:
+	release_mem_region(r1->start, resource_size(r1));
+fail:
+	kfree(wdt);
+	return error;
+}
+
+static __devexit int ts72xx_wdt_remove(struct platform_device *pdev)
+{
+	struct ts72xx_wdt *wdt = platform_get_drvdata(pdev);
+	struct resource *res;
+	int error;
+
+	error = misc_deregister(&ts72xx_wdt_miscdev);
+	platform_set_drvdata(pdev, NULL);
+
+	iounmap(wdt->feed_reg);
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+	release_mem_region(res->start, resource_size(res));
+
+	iounmap(wdt->control_reg);
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	release_mem_region(res->start, resource_size(res));
+
+	kfree(wdt);
+	return error;
+}
+
+static struct platform_driver ts72xx_wdt_driver = {
+	.probe		= ts72xx_wdt_probe,
+	.remove		= __devexit_p(ts72xx_wdt_remove),
+	.driver		= {
+		.name	= "ts72xx-wdt",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static __init int ts72xx_wdt_init(void)
+{
+	return platform_driver_register(&ts72xx_wdt_driver);
+}
+module_init(ts72xx_wdt_init);
+
+static __exit void ts72xx_wdt_exit(void)
+{
+	platform_driver_unregister(&ts72xx_wdt_driver);
+}
+module_exit(ts72xx_wdt_exit);
+
+MODULE_AUTHOR("Mika Westerberg <mika.westerberg@iki.fi>");
+MODULE_DESCRIPTION("TS-72xx SBC Watchdog");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:ts72xx-wdt");
diff --git a/drivers/watchdog/txx9wdt.c b/drivers/watchdog/txx9wdt.c
index d635566e9307..9e9ed7bfabcb 100644
--- a/drivers/watchdog/txx9wdt.c
+++ b/drivers/watchdog/txx9wdt.c
@@ -13,7 +13,6 @@
 #include <linux/miscdevice.h>
 #include <linux/watchdog.h>
 #include <linux/fs.h>
-#include <linux/reboot.h>
 #include <linux/init.h>
 #include <linux/uaccess.h>
 #include <linux/platform_device.h>
@@ -166,14 +165,6 @@ static long txx9wdt_ioctl(struct file *file, unsigned int cmd,
 	}
 }
 
-static int txx9wdt_notify_sys(struct notifier_block *this, unsigned long code,
-	void *unused)
-{
-	if (code == SYS_DOWN || code == SYS_HALT)
-		txx9wdt_stop();
-	return NOTIFY_DONE;
-}
-
 static const struct file_operations txx9wdt_fops = {
 	.owner		=	THIS_MODULE,
 	.llseek		=	no_llseek,
@@ -189,10 +180,6 @@ static struct miscdevice txx9wdt_miscdev = {
 	.fops	=	&txx9wdt_fops,
 };
 
-static struct notifier_block txx9wdt_notifier = {
-	.notifier_call = txx9wdt_notify_sys,
-};
-
 static int __init txx9wdt_probe(struct platform_device *dev)
 {
 	struct resource *res;
@@ -221,13 +208,8 @@ static int __init txx9wdt_probe(struct platform_device *dev)
 	if (!txx9wdt_reg)
 		goto exit_busy;
 
-	ret = register_reboot_notifier(&txx9wdt_notifier);
-	if (ret)
-		goto exit;
-
 	ret = misc_register(&txx9wdt_miscdev);
 	if (ret) {
-		unregister_reboot_notifier(&txx9wdt_notifier);
 		goto exit;
 	}
 
@@ -249,14 +231,19 @@ exit:
 static int __exit txx9wdt_remove(struct platform_device *dev)
 {
 	misc_deregister(&txx9wdt_miscdev);
-	unregister_reboot_notifier(&txx9wdt_notifier);
 	clk_disable(txx9_imclk);
 	clk_put(txx9_imclk);
 	return 0;
 }
 
+static void txx9wdt_shutdown(struct platform_device *dev)
+{
+	txx9wdt_stop();
+}
+
 static struct platform_driver txx9wdt_driver = {
 	.remove = __exit_p(txx9wdt_remove),
+	.shutdown = txx9wdt_shutdown,
 	.driver = {
 		.name = "txx9wdt",
 		.owner = THIS_MODULE,
diff --git a/drivers/watchdog/w83627hf_wdt.c b/drivers/watchdog/w83627hf_wdt.c
index f201accc4e3d..0f5288df0091 100644
--- a/drivers/watchdog/w83627hf_wdt.c
+++ b/drivers/watchdog/w83627hf_wdt.c
@@ -201,7 +201,7 @@ static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	void __user *argp = (void __user *)arg;
 	int __user *p = argp;
 	int new_timeout;
-	static struct watchdog_info ident = {
+	static const struct watchdog_info ident = {
 		.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT |
 							WDIOF_MAGICCLOSE,
 		.firmware_version = 1,
diff --git a/drivers/watchdog/w83977f_wdt.c b/drivers/watchdog/w83977f_wdt.c
index 0560182a1d09..6e6743d1066f 100644
--- a/drivers/watchdog/w83977f_wdt.c
+++ b/drivers/watchdog/w83977f_wdt.c
@@ -371,7 +371,7 @@ static ssize_t wdt_write(struct file *file, const char __user *buf,
  *      according to their available features.
  */
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options = WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE | WDIOF_KEEPALIVEPING,
 	.firmware_version =	1,
 	.identity = WATCHDOG_NAME,
diff --git a/drivers/watchdog/wdrtas.c b/drivers/watchdog/wdrtas.c
index 5bfb1f2c5319..94ec22b9e66b 100644
--- a/drivers/watchdog/wdrtas.c
+++ b/drivers/watchdog/wdrtas.c
@@ -312,7 +312,7 @@ static long wdrtas_ioctl(struct file *file, unsigned int cmd,
 {
 	int __user *argp = (void __user *)arg;
 	int i;
-	static struct watchdog_info wdinfo = {
+	static const struct watchdog_info wdinfo = {
 		.options = WDRTAS_SUPPORTED_MASK,
 		.firmware_version = 0,
 		.identity = "wdrtas",
diff --git a/drivers/watchdog/wdt.c b/drivers/watchdog/wdt.c
index 3bbefe9a2634..bfda2e99dd89 100644
--- a/drivers/watchdog/wdt.c
+++ b/drivers/watchdog/wdt.c
@@ -358,7 +358,7 @@ static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	int new_heartbeat;
 	int status;
 
-	static struct watchdog_info ident = {
+	struct watchdog_info ident = {
 		.options =		WDIOF_SETTIMEOUT|
 					WDIOF_MAGICCLOSE|
 					WDIOF_KEEPALIVEPING,
diff --git a/drivers/watchdog/wdt_pci.c b/drivers/watchdog/wdt_pci.c
index f368dd87083a..7b22e3cdbc81 100644
--- a/drivers/watchdog/wdt_pci.c
+++ b/drivers/watchdog/wdt_pci.c
@@ -412,7 +412,7 @@ static long wdtpci_ioctl(struct file *file, unsigned int cmd,
 	int new_heartbeat;
 	int status;
 
-	static struct watchdog_info ident = {
+	struct watchdog_info ident = {
 		.options =		WDIOF_SETTIMEOUT|
 					WDIOF_MAGICCLOSE|
 					WDIOF_KEEPALIVEPING,
diff --git a/drivers/watchdog/wm831x_wdt.c b/drivers/watchdog/wm831x_wdt.c
index 775bcd807f31..8c4b2d5bb7da 100644
--- a/drivers/watchdog/wm831x_wdt.c
+++ b/drivers/watchdog/wm831x_wdt.c
@@ -213,7 +213,7 @@ static ssize_t wm831x_wdt_write(struct file *file,
 	return count;
 }
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
 	.identity = "WM831x Watchdog",
 };
diff --git a/drivers/watchdog/wm8350_wdt.c b/drivers/watchdog/wm8350_wdt.c
index a2d2e8eb2282..89dd7b035295 100644
--- a/drivers/watchdog/wm8350_wdt.c
+++ b/drivers/watchdog/wm8350_wdt.c
@@ -177,7 +177,7 @@ static ssize_t wm8350_wdt_write(struct file *file,
 	return count;
 }
 
-static struct watchdog_info ident = {
+static const struct watchdog_info ident = {
 	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
 	.identity = "WM8350 Watchdog",
 };
diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig
index cab100acf983..fad3df2c1276 100644
--- a/drivers/xen/Kconfig
+++ b/drivers/xen/Kconfig
@@ -1,6 +1,8 @@
+menu "Xen driver support"
+	depends on XEN
+
 config XEN_BALLOON
 	bool "Xen memory balloon driver"
-	depends on XEN
 	default y
 	help
 	  The balloon driver allows the Xen domain to request more memory from
@@ -20,7 +22,6 @@ config XEN_SCRUB_PAGES
 
 config XEN_DEV_EVTCHN
 	tristate "Xen /dev/xen/evtchn device"
-	depends on XEN
 	default y
 	help
 	  The evtchn driver allows a userspace process to triger event
@@ -30,7 +31,6 @@ config XEN_DEV_EVTCHN
 
 config XENFS
 	tristate "Xen filesystem"
-	depends on XEN
 	default y
 	help
 	  The xen filesystem provides a way for domains to share
@@ -53,11 +53,13 @@ config XEN_COMPAT_XENFS
 
 config XEN_SYS_HYPERVISOR
        bool "Create xen entries under /sys/hypervisor"
-       depends on XEN && SYSFS
+       depends on SYSFS
        select SYS_HYPERVISOR
        default y
        help
          Create entries under /sys/hypervisor describing the Xen
 	 hypervisor environment.  When running native or in another
 	 virtual environment, /sys/hypervisor will still be present,
-	 but will have no xen contents.
\ No newline at end of file
+	 but will have no xen contents.
+
+endmenu
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index ce602dd09bc1..2f8413794d05 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -649,9 +649,13 @@ void xen_evtchn_do_upcall(struct pt_regs *regs)
 				int bit_idx = __ffs(pending_bits);
 				int port = (word_idx * BITS_PER_LONG) + bit_idx;
 				int irq = evtchn_to_irq[port];
+				struct irq_desc *desc;
 
-				if (irq != -1)
-					handle_irq(irq, regs);
+				if (irq != -1) {
+					desc = irq_to_desc(irq);
+					if (desc)
+						generic_handle_irq_desc(irq, desc);
+				}
 			}
 		}
 
diff --git a/drivers/xen/sys-hypervisor.c b/drivers/xen/sys-hypervisor.c
index ae5cb05a1a1c..bb71ab2336c8 100644
--- a/drivers/xen/sys-hypervisor.c
+++ b/drivers/xen/sys-hypervisor.c
@@ -426,7 +426,7 @@ static ssize_t hyp_sysfs_store(struct kobject *kobj,
 	return 0;
 }
 
-static struct sysfs_ops hyp_sysfs_ops = {
+static const struct sysfs_ops hyp_sysfs_ops = {
 	.show = hyp_sysfs_show,
 	.store = hyp_sysfs_store,
 };
diff --git a/drivers/zorro/zorro.ids b/drivers/zorro/zorro.ids
index 0c0f99e2dd62..de24e3decedd 100644
--- a/drivers/zorro/zorro.ids
+++ b/drivers/zorro/zorro.ids
@@ -108,7 +108,7 @@
 	0c00  500XP/SupraDrive WordSync [SCSI Host Adapter]
 	0d00  SupraDrive WordSync II [SCSI Host Adapter]
 	1000  2400zi+ [Modem]
-0422  Computer Systems Assosiates
+0422  Computer Systems Associates
 	1100  Magnum 40 [Accelerator and SCSI Host Adapter]
 	1500  12 Gauge [SCSI Host Adapter]
 0439  Marc Michael Groth
diff --git a/firmware/bnx2x-e1-5.2.7.0.fw.ihex b/firmware/bnx2x-e1-5.2.7.0.fw.ihex
deleted file mode 100644
index a99c41c993b9..000000000000
--- a/firmware/bnx2x-e1-5.2.7.0.fw.ihex
+++ /dev/null
@@ -1,10178 +0,0 @@
-:10000000000028B0000000600000068800002918E9
-:100010000000161400002FA800000098000045C042
-:10002000000073C400004660000000CC0000BA2845
-:10003000000099A00000BAF800000094000154A04C
-:10004000000057BC00015538000000B80001ACF8B2
-:100050000000CE2C0001ADB80000000400027BE8D7
-:10006000020400480000000F020400540000004594
-:1000700002040058000000840204005C0000000636
-:100080000204007000000004020400780000000078
-:100090000204007C121700000204008022170000F6
-:1000A00002040084321700000604008800000005E6
-:1000B0000204009C12150000020400A0221500009A
-:1000C000020400A432150000060400A80000000489
-:1000D000020400B802100000020400BC001000007E
-:1000E000020400C010100000020400C42010000030
-:1000F000020400C830100000060400CC0000000418
-:10010000020400DC00100000020400E012140000F1
-:10011000020400E422140000020400E8321400008B
-:10012000060400EC000000040104012400000000AB
-:1001300001040128000000000104012C000000005F
-:10014000010401300000000002040004000000FF70
-:1001500002040008000000FF0204000C000000FF81
-:1001600002040010000000FF02040014000000FF61
-:1001700002040018000000FF0204001C000000FF41
-:1001800002040020000000FF020400240000003EE2
-:1001900002040028000000000204002C0000003FC0
-:1001A000020400300000003F020400340000003F61
-:1001B00002040038000000000204003C0000003F80
-:1001C000020400400000003F020400440000003F21
-:1001D00002042008000004110204200C00000400A6
-:1001E000020420100000040402042014000004197A
-:1001F0000204201C0000FFFF020420200000FFFF7B
-:10020000020420240000FFFF020420280000FFFF5A
-:1002100006042038000000020204204000000034E0
-:100220000204204400000035060420480000007C41
-:100230000204223807FFFFFF0204223C0000003FB7
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-:1002700001042258000000000104225C000000007C
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-:1002900001042268000000000104226C000000003C
-:1002A000010422700000000001042274000000001C
-:1002B00001042278000000000104227C00000000FC
-:1002C000020424BC000000010C042000000003E82C
-:1002D0000A042000000000010B0420000000000AB6
-:1002E0000205004400000020020500480000003222
-:1002F000020500900215002002050094021500205E
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-:10036000020500C800000002020500CC00000002E7
-:10037000020500D000000002020500D400000001C8
-:1003800002050114000000010205011C000000012B
-:100390000205012000000002020502040000000125
-:1003A0000205020C0000004002050210000000409F
-:1003B0000205021C000000200205022000000013BC
-:1003C0000205022400000020060502400000000A89
-:1003D0000405028000200000020500500000000714
-:1003E0000205005400000007020500580000000844
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-:10040000020500D800000006020500E00000000D13
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-:10042000020500EC00000027020500F000000007B4
-:10043000020500F400000027020500F80000000794
-:10044000020500FC00000027020500040000000176
-:1004500002050008000000010205000C0000000178
-:100460000205001000000001020500140000000158
-:1004700002050018000000010205001C0000000138
-:100480000205002000000001020500240000000118
-:1004900002050028000000010205002C00000001F8
-:1004A00002050030000000010205003400000001D8
-:1004B00002050038000000010205003C00000001B8
-:1004C00002050040000000010406100002000020A8
-:1004D000020600DC00000001010600D80000000058
-:1004E0000406020000030220020600DC00000000F7
-:1004F00002060068000000B802060078000001143F
-:10050000010600B800000000010600C8000000005D
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-:10052000010600BC00000000010600CC0000000035
-:100530000718040000960000081807600014022342
-:10054000071C000034C50000071C800034DB0D329E
-:10055000071D00000A1D1A69081D14405D78022558
-:100560000118000000000000011800040000000055
-:1005700001180008000000000118000C0000000035
-:100580000118001000000000011800140000000015
-:1005900002180020000000010218002400000002E0
-:1005A00002180028000000030218002C00000000C0
-:1005B000021800300000000402180034000000019E
-:1005C00002180038000000000218003C0000000182
-:1005D000021800400000000402180044000000005F
-:1005E00002180048000000010218004C000000033F
-:1005F0000218005000000000021800540000000122
-:1006000002180058000000040218005C00000000FE
-:1006100002180060000000010218006400000003DE
-:1006200002180068000000000218006C00000001C1
-:10063000021800700000000402180074000000009E
-:1006400002180078000000040218007C000000037B
-:100650000618008000000002021800A400003FFFFE
-:10066000021800A8000003FF021802240000000086
-:1006700002180234000000000218024C00000000C2
-:10068000021802E4000000FF061810000000040039
-:10069000021B8BC000000001021B80000000003420
-:1006A000021B804000000018021B80800000000C2C
-:1006B000021B80C0000000200C1B83000007A1204B
-:1006C0000A1B8300000001380B1B83000000138805
-:1006D000021B83C0000001F4061A2000000000B2D3
-:1006E000061A23C800000181041A29CC0001022740
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-:10070000061A1E3800000002061A1E300000000201
-:10071000061A080000000002061A0808000000027D
-:10072000061A081000000004041A1FB00005022871
-:10073000041A4CB00008022D061A22C8000000203E
-:10074000061A400000000124021A4920000000009F
-:10075000061A14000000000A061A145000000006D1
-:10076000061A150000000002041A150800050235DB
-:10077000061A151C00000009061A15800000001456
-:10078000061A09C000000048061A0800000000020E
-:10079000061A08200000000E041A1FB00002023AD8
-:1007A000061A2C2800000002061A23480000002028
-:1007B000061A449000000124021A49240000000097
-:1007C000061A14280000000A061A14680000000621
-:1007D000061A154000000002041A15480005023CE4
-:1007E000061A155C00000009061A15D00000001456
-:1007F000061A0AE000000048061A08080000000275
-:10080000061A08580000000E041A1FB80002024120
-:10081000061A2C30000000020200A2800000000135
-:100820000200A294071D29110200A29800000000F6
-:100830000200A29C009C04240200A2A00000000070
-:100840000200A2A4000002090200A4FCFF000000B4
-:10085000020100B400000001020100B80000000124
-:10086000020100DC000000010201010000000001A3
-:1008700002010104000000010201007C00300000C0
-:1008800002010084000000280201008C000000002A
-:1008900002010130000000040201025C00000001BE
-:1008A000020103280000000002010554000000308E
-:1008B000020100C400000001020100CC00000001A0
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diff --git a/firmware/bnx2x-e1h-5.2.7.0.fw.ihex b/firmware/bnx2x-e1h-5.2.7.0.fw.ihex
deleted file mode 100644
index 280bbcf4f2a1..000000000000
--- a/firmware/bnx2x-e1h-5.2.7.0.fw.ihex
+++ /dev/null
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-:101F1000BF3B845D89023F960EEF7BFF699ABF74D9
-:101F20007304C72DEB472E9BF6BFB12B9F150AA656
-:101F3000DB6FEAFD951F132E056152FE0ACC2203CA
-:101F4000F735C210C67A50A86E51703FBAEA5E31BA
-:101F5000197C2EB094EC009EF1DAFDB688D5EAAD7E
-:101F6000C6EE8A3D049F8C4B74E25E6B74C2218185
-:101F7000F74F8575C599B08BFE31EE09453978BFAD
-:101F8000BC55C1FAF04C79FE3B8AC39B205781C3F4
-:101F9000E373C0EF7916471BEA00CEA284A5C8F30D
-:101FA000E7453B72500770768D9270BCA34D71224D
-:101FB000944D585AC0EFCFAC5B3FB6E2DD9A22A2F7
-:101FC000E95C9661EE1C7CA7A6F85399378B3EF628
-:101FD000633717C9FC6BC46BC28F7BABBE59917C56
-:101FE0007F26321D3918A7B8F2BB45241F7FFC9EFF
-:101FF000EB16AC4FD4F08CC72DA20AAE76DBD09E88
-:10200000D0EEF3BA0CEE52B445511E23F71BBCD9E7
-:1020100068DF34F87E8C7E92E722EC57F4D8E489AE
-:102020001904275A7C6C273B5CAE5BB1FFAB335D78
-:10203000C5180FAD9F83B7C8F3099FDB302FF41D80
-:1020400096CECFA54552EECB8AA4FD98BE56DEC7EC
-:1020500086F2BDACC8A0D9B7BF8F37E15B8AEFE984
-:10206000F88BAD8BB3810FE17B2FF0247C17625C82
-:1020700044C470BDE3FA72E6E1EF951549F9227B9D
-:1020800056F5B1B467DCA61BBDC3103F8EFA857749
-:1020900018F01DD5D867C3BFC378D6D367837F7FB9
-:1020A000F6C13E1BFA9F75C977D2A1FB3716C9F757
-:1020B00013E9D3FB78FD58FA5637C7E97DC31047BB
-:1020C000A5977FBC5EDEBB64B07F19ABF997B1BF4B
-:1020D0004869EF21791BFB6434DF6F8B82581EAF98
-:1020E000B44A3DADFC45D9A1366AC76F277C83E26F
-:1020F000AF095EC27B505C64EC97EF2D09069DF63C
-:102100009A1886CC22BEAA11F2BDE528CD6E206EAB
-:102110002B25BB50537EF432BF03C07AEC8F3B5B60
-:10212000C85FBB49C2E4AE918F2E9FBFA68BF3C39D
-:10213000ED57FBB57CB3753DF2678ADF06F5579620
-:102140001DE982BFA9DA3BB8BF66C5679CC752FCD0
-:1021500036A8FFDE1F7FC0EF6CEADA07F7137F9F18
-:10216000029F75FE1E33F92620DF3B5613E694FFCF
-:102170007EC0B712FADE541DC1EF6777FD3A8FE5D6
-:1021800046E737AD6FFA76F2B196E77BF24406F494
-:10219000E19BDA5ED8A7B441F6C9C375BED9916C8C
-:1021A00077EAB4FCAAB6CCCE7E3EB1D6CAF6AB5026
-:1021B0000D7302AE354A3B238A55CD4EF958FF4F79
-:1021C000DE3E8CEB797C00C03193F8DD71DC5A097E
-:1021D000F78DB0B07D28349454EFA1F6A86105DBEB
-:1021E0008104BCB824BE3F03FBA0427F655DB5CE31
-:1021F000EC53E4FDBE2307F9AE7EDFD4B0D1DB7A29
-:1022000010F9B2E27D7219EA8A7746F0FD4100F5D5
-:10221000463A4FC33069471B16A4B31F088892D2B1
-:10222000958843E68771FDB16198E351DC27365408
-:102230004CE438FAD07F4BBFDB37D7EA441CD530AB
-:10224000D9B106EF551A7EE1E0F15714B99FE75175
-:10225000499F86B9F2FC0D15319CF7E87C686874DB
-:102260008DC4FDD4CC31EEFF00DF4769F7730DC993
-:10227000D44FED134AC9821F619F4912DF19331DE4
-:10228000AC77C7164C7C74B783DD891FF74475B3F0
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-:1022A0000000000000000000050207000000000020
-:00000001FF
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 14d944204571..08b2eb157048 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -151,7 +151,7 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry)
 			if (access == V9FS_ACCESS_SINGLE)
 				return ERR_PTR(-EPERM);
 
-			if (v9fs_extended(v9ses))
+			if (v9fs_proto_dotu(v9ses))
 				uname = NULL;
 			else
 				uname = v9ses->uname;
diff --git a/fs/9p/v9fs.c b/fs/9p/v9fs.c
index 7d6c2139891d..6c7f6a251115 100644
--- a/fs/9p/v9fs.c
+++ b/fs/9p/v9fs.c
@@ -241,7 +241,7 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
 	list_add(&v9ses->slist, &v9fs_sessionlist);
 	spin_unlock(&v9fs_sessionlist_lock);
 
-	v9ses->flags = V9FS_EXTENDED | V9FS_ACCESS_USER;
+	v9ses->flags = V9FS_PROTO_2000U | V9FS_ACCESS_USER;
 	strcpy(v9ses->uname, V9FS_DEFUSER);
 	strcpy(v9ses->aname, V9FS_DEFANAME);
 	v9ses->uid = ~0;
@@ -262,13 +262,13 @@ struct p9_fid *v9fs_session_init(struct v9fs_session_info *v9ses,
 		goto error;
 	}
 
-	if (!v9ses->clnt->dotu)
-		v9ses->flags &= ~V9FS_EXTENDED;
+	if (!p9_is_proto_dotu(v9ses->clnt))
+		v9ses->flags &= ~V9FS_PROTO_2000U;
 
 	v9ses->maxdata = v9ses->clnt->msize - P9_IOHDRSZ;
 
 	/* for legacy mode, fall back to V9FS_ACCESS_ANY */
-	if (!v9fs_extended(v9ses) &&
+	if (!v9fs_proto_dotu(v9ses) &&
 		((v9ses->flags&V9FS_ACCESS_MASK) == V9FS_ACCESS_USER)) {
 
 		v9ses->flags &= ~V9FS_ACCESS_MASK;
diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h
index 019f4ccb70c1..6b801d1ddf4b 100644
--- a/fs/9p/v9fs.h
+++ b/fs/9p/v9fs.h
@@ -23,7 +23,8 @@
 
 /**
  * enum p9_session_flags - option flags for each 9P session
- * @V9FS_EXTENDED: whether or not to use 9P2000.u extensions
+ * @V9FS_PROTO_2000U: whether or not to use 9P2000.u extensions
+ * @V9FS_PROTO_2000L: whether or not to use 9P2000.l extensions
  * @V9FS_ACCESS_SINGLE: only the mounting user can access the hierarchy
  * @V9FS_ACCESS_USER: a new attach will be issued for every user (default)
  * @V9FS_ACCESS_ANY: use a single attach for all users
@@ -32,11 +33,12 @@
  * Session flags reflect options selected by users at mount time
  */
 enum p9_session_flags {
-	V9FS_EXTENDED		= 0x01,
-	V9FS_ACCESS_SINGLE	= 0x02,
-	V9FS_ACCESS_USER	= 0x04,
-	V9FS_ACCESS_ANY		= 0x06,
-	V9FS_ACCESS_MASK	= 0x06,
+	V9FS_PROTO_2000U	= 0x01,
+	V9FS_PROTO_2000L	= 0x02,
+	V9FS_ACCESS_SINGLE	= 0x04,
+	V9FS_ACCESS_USER	= 0x08,
+	V9FS_ACCESS_ANY		= 0x0C,
+	V9FS_ACCESS_MASK	= 0x0C,
 };
 
 /* possible values of ->cache */
@@ -121,7 +123,12 @@ static inline struct v9fs_session_info *v9fs_inode2v9ses(struct inode *inode)
 	return (inode->i_sb->s_fs_info);
 }
 
-static inline int v9fs_extended(struct v9fs_session_info *v9ses)
+static inline int v9fs_proto_dotu(struct v9fs_session_info *v9ses)
 {
-	return v9ses->flags & V9FS_EXTENDED;
+	return v9ses->flags & V9FS_PROTO_2000U;
+}
+
+static inline int v9fs_proto_dotl(struct v9fs_session_info *v9ses)
+{
+	return v9ses->flags & V9FS_PROTO_2000L;
 }
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 15cce53bf61e..d8a3afe4ff72 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -76,6 +76,15 @@ static inline int dt_type(struct p9_wstat *mistat)
 	return rettype;
 }
 
+static void p9stat_init(struct p9_wstat *stbuf)
+{
+	stbuf->name  = NULL;
+	stbuf->uid   = NULL;
+	stbuf->gid   = NULL;
+	stbuf->muid  = NULL;
+	stbuf->extension = NULL;
+}
+
 /**
  * v9fs_dir_readdir - read a directory
  * @filp: opened file structure
@@ -131,11 +140,11 @@ static int v9fs_dir_readdir(struct file *filp, void *dirent, filldir_t filldir)
 			rdir->head = 0;
 			rdir->tail = err;
 		}
-
 		while (rdir->head < rdir->tail) {
+			p9stat_init(&st);
 			err = p9stat_read(rdir->buf + rdir->head,
 						buflen - rdir->head, &st,
-						fid->clnt->dotu);
+						fid->clnt->proto_version);
 			if (err) {
 				P9_DPRINTK(P9_DEBUG_VFS, "returned %d\n", err);
 				err = -EIO;
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 74a0461a9ac0..df52d488d2a6 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -61,7 +61,7 @@ int v9fs_file_open(struct inode *inode, struct file *file)
 
 	P9_DPRINTK(P9_DEBUG_VFS, "inode: %p file: %p \n", inode, file);
 	v9ses = v9fs_inode2v9ses(inode);
-	omode = v9fs_uflags2omode(file->f_flags, v9fs_extended(v9ses));
+	omode = v9fs_uflags2omode(file->f_flags, v9fs_proto_dotu(v9ses));
 	fid = file->private_data;
 	if (!fid) {
 		fid = v9fs_fid_clone(file->f_path.dentry);
@@ -77,7 +77,7 @@ int v9fs_file_open(struct inode *inode, struct file *file)
 			i_size_write(inode, 0);
 			inode->i_blocks = 0;
 		}
-		if ((file->f_flags & O_APPEND) && (!v9fs_extended(v9ses)))
+		if ((file->f_flags & O_APPEND) && (!v9fs_proto_dotu(v9ses)))
 			generic_file_llseek(file, 0, SEEK_END);
 	}
 
@@ -114,7 +114,7 @@ static int v9fs_file_lock(struct file *filp, int cmd, struct file_lock *fl)
 	P9_DPRINTK(P9_DEBUG_VFS, "filp: %p lock: %p\n", filp, fl);
 
 	/* No mandatory locks */
-	if (__mandatory_lock(inode))
+	if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)
 		return -ENOLCK;
 
 	if ((IS_SETLK(cmd) || IS_SETLKW(cmd)) && fl->fl_type != F_UNLCK) {
@@ -215,7 +215,7 @@ v9fs_file_write(struct file *filp, const char __user * data,
 	struct p9_fid *fid;
 	struct p9_client *clnt;
 	struct inode *inode = filp->f_path.dentry->d_inode;
-	int origin = *offset;
+	loff_t origin = *offset;
 	unsigned long pg_start, pg_end;
 
 	P9_DPRINTK(P9_DEBUG_VFS, "data %p count %d offset %x\n", data,
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index a407fa3388c0..5fe45d692c9f 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -60,7 +60,7 @@ static int unixmode2p9mode(struct v9fs_session_info *v9ses, int mode)
 	res = mode & 0777;
 	if (S_ISDIR(mode))
 		res |= P9_DMDIR;
-	if (v9fs_extended(v9ses)) {
+	if (v9fs_proto_dotu(v9ses)) {
 		if (S_ISLNK(mode))
 			res |= P9_DMSYMLINK;
 		if (v9ses->nodev == 0) {
@@ -102,21 +102,21 @@ static int p9mode2unixmode(struct v9fs_session_info *v9ses, int mode)
 
 	if ((mode & P9_DMDIR) == P9_DMDIR)
 		res |= S_IFDIR;
-	else if ((mode & P9_DMSYMLINK) && (v9fs_extended(v9ses)))
+	else if ((mode & P9_DMSYMLINK) && (v9fs_proto_dotu(v9ses)))
 		res |= S_IFLNK;
-	else if ((mode & P9_DMSOCKET) && (v9fs_extended(v9ses))
+	else if ((mode & P9_DMSOCKET) && (v9fs_proto_dotu(v9ses))
 		 && (v9ses->nodev == 0))
 		res |= S_IFSOCK;
-	else if ((mode & P9_DMNAMEDPIPE) && (v9fs_extended(v9ses))
+	else if ((mode & P9_DMNAMEDPIPE) && (v9fs_proto_dotu(v9ses))
 		 && (v9ses->nodev == 0))
 		res |= S_IFIFO;
-	else if ((mode & P9_DMDEVICE) && (v9fs_extended(v9ses))
+	else if ((mode & P9_DMDEVICE) && (v9fs_proto_dotu(v9ses))
 		 && (v9ses->nodev == 0))
 		res |= S_IFBLK;
 	else
 		res |= S_IFREG;
 
-	if (v9fs_extended(v9ses)) {
+	if (v9fs_proto_dotu(v9ses)) {
 		if ((mode & P9_DMSETUID) == P9_DMSETUID)
 			res |= S_ISUID;
 
@@ -265,7 +265,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
 	case S_IFBLK:
 	case S_IFCHR:
 	case S_IFSOCK:
-		if (!v9fs_extended(v9ses)) {
+		if (!v9fs_proto_dotu(v9ses)) {
 			P9_DPRINTK(P9_DEBUG_ERROR,
 				   "special files without extended mode\n");
 			err = -EINVAL;
@@ -278,7 +278,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
 		inode->i_fop = &v9fs_file_operations;
 		break;
 	case S_IFLNK:
-		if (!v9fs_extended(v9ses)) {
+		if (!v9fs_proto_dotu(v9ses)) {
 			P9_DPRINTK(P9_DEBUG_ERROR,
 				   "extended modes used w/o 9P2000.u\n");
 			err = -EINVAL;
@@ -288,7 +288,7 @@ struct inode *v9fs_get_inode(struct super_block *sb, int mode)
 		break;
 	case S_IFDIR:
 		inc_nlink(inode);
-		if (v9fs_extended(v9ses))
+		if (v9fs_proto_dotu(v9ses))
 			inode->i_op = &v9fs_dir_inode_operations_ext;
 		else
 			inode->i_op = &v9fs_dir_inode_operations;
@@ -575,7 +575,8 @@ v9fs_vfs_create(struct inode *dir, struct dentry *dentry, int mode,
 		flags = O_RDWR;
 
 	fid = v9fs_create(v9ses, dir, dentry, NULL, perm,
-				v9fs_uflags2omode(flags, v9fs_extended(v9ses)));
+				v9fs_uflags2omode(flags,
+						v9fs_proto_dotu(v9ses)));
 	if (IS_ERR(fid)) {
 		err = PTR_ERR(fid);
 		fid = NULL;
@@ -858,7 +859,7 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr)
 	if (iattr->ia_valid & ATTR_SIZE)
 		wstat.length = iattr->ia_size;
 
-	if (v9fs_extended(v9ses)) {
+	if (v9fs_proto_dotu(v9ses)) {
 		if (iattr->ia_valid & ATTR_UID)
 			wstat.n_uid = iattr->ia_uid;
 
@@ -886,6 +887,8 @@ v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
 	struct super_block *sb)
 {
 	char ext[32];
+	char tag_name[14];
+	unsigned int i_nlink;
 	struct v9fs_session_info *v9ses = sb->s_fs_info;
 
 	inode->i_nlink = 1;
@@ -897,11 +900,26 @@ v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode,
 	inode->i_uid = v9ses->dfltuid;
 	inode->i_gid = v9ses->dfltgid;
 
-	if (v9fs_extended(v9ses)) {
+	if (v9fs_proto_dotu(v9ses)) {
 		inode->i_uid = stat->n_uid;
 		inode->i_gid = stat->n_gid;
 	}
-
+	if ((S_ISREG(inode->i_mode)) || (S_ISDIR(inode->i_mode))) {
+		if (v9fs_proto_dotu(v9ses) && (stat->extension[0] != '\0')) {
+			/*
+			 * Hadlink support got added later to
+			 * to the .u extension. So there can be
+			 * server out there that doesn't support
+			 * this even with .u extension. So check
+			 * for non NULL stat->extension
+			 */
+			strncpy(ext, stat->extension, sizeof(ext));
+			/* HARDLINKCOUNT %u */
+			sscanf(ext, "%13s %u", tag_name, &i_nlink);
+			if (!strncmp(tag_name, "HARDLINKCOUNT", 13))
+				inode->i_nlink = i_nlink;
+		}
+	}
 	inode->i_mode = p9mode2unixmode(v9ses, stat->mode);
 	if ((S_ISBLK(inode->i_mode)) || (S_ISCHR(inode->i_mode))) {
 		char type = 0;
@@ -976,7 +994,7 @@ static int v9fs_readlink(struct dentry *dentry, char *buffer, int buflen)
 	if (IS_ERR(fid))
 		return PTR_ERR(fid);
 
-	if (!v9fs_extended(v9ses))
+	if (!v9fs_proto_dotu(v9ses))
 		return -EBADF;
 
 	st = p9_client_stat(fid);
@@ -1066,7 +1084,7 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry,
 	struct p9_fid *fid;
 
 	v9ses = v9fs_inode2v9ses(dir);
-	if (!v9fs_extended(v9ses)) {
+	if (!v9fs_proto_dotu(v9ses)) {
 		P9_DPRINTK(P9_DEBUG_ERROR, "not extended\n");
 		return -EPERM;
 	}
diff --git a/fs/Kconfig b/fs/Kconfig
index 64d44efad7a5..5f85b5947613 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -177,6 +177,7 @@ source "fs/efs/Kconfig"
 source "fs/jffs2/Kconfig"
 # UBIFS File system configuration
 source "fs/ubifs/Kconfig"
+source "fs/logfs/Kconfig"
 source "fs/cramfs/Kconfig"
 source "fs/squashfs/Kconfig"
 source "fs/freevxfs/Kconfig"
@@ -234,6 +235,7 @@ config NFS_COMMON
 
 source "net/sunrpc/Kconfig"
 source "fs/smbfs/Kconfig"
+source "fs/ceph/Kconfig"
 source "fs/cifs/Kconfig"
 source "fs/ncpfs/Kconfig"
 source "fs/coda/Kconfig"
diff --git a/fs/Makefile b/fs/Makefile
index af6d04700d9c..97f340f14ba2 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -99,6 +99,7 @@ obj-$(CONFIG_NTFS_FS)		+= ntfs/
 obj-$(CONFIG_UFS_FS)		+= ufs/
 obj-$(CONFIG_EFS_FS)		+= efs/
 obj-$(CONFIG_JFFS2_FS)		+= jffs2/
+obj-$(CONFIG_LOGFS)		+= logfs/
 obj-$(CONFIG_UBIFS_FS)		+= ubifs/
 obj-$(CONFIG_AFFS_FS)		+= affs/
 obj-$(CONFIG_ROMFS_FS)		+= romfs/
@@ -124,3 +125,4 @@ obj-$(CONFIG_OCFS2_FS)		+= ocfs2/
 obj-$(CONFIG_BTRFS_FS)		+= btrfs/
 obj-$(CONFIG_GFS2_FS)           += gfs2/
 obj-$(CONFIG_EXOFS_FS)          += exofs/
+obj-$(CONFIG_CEPH_FS)		+= ceph/
diff --git a/fs/adfs/adfs.h b/fs/adfs/adfs.h
index 9cc18775b832..2ff622f6f547 100644
--- a/fs/adfs/adfs.h
+++ b/fs/adfs/adfs.h
@@ -121,7 +121,7 @@ struct adfs_discmap {
 
 /* Inode stuff */
 struct inode *adfs_iget(struct super_block *sb, struct object_info *obj);
-int adfs_write_inode(struct inode *inode,int unused);
+int adfs_write_inode(struct inode *inode, struct writeback_control *wbc);
 int adfs_notify_change(struct dentry *dentry, struct iattr *attr);
 
 /* map.c */
diff --git a/fs/adfs/inode.c b/fs/adfs/inode.c
index 3f57ce4bee5d..0f5e30978135 100644
--- a/fs/adfs/inode.c
+++ b/fs/adfs/inode.c
@@ -9,6 +9,7 @@
  */
 #include <linux/smp_lock.h>
 #include <linux/buffer_head.h>
+#include <linux/writeback.h>
 #include "adfs.h"
 
 /*
@@ -360,7 +361,7 @@ out:
  * The adfs-specific inode data has already been updated by
  * adfs_notify_change()
  */
-int adfs_write_inode(struct inode *inode, int wait)
+int adfs_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	struct super_block *sb = inode->i_sb;
 	struct object_info obj;
@@ -375,7 +376,7 @@ int adfs_write_inode(struct inode *inode, int wait)
 	obj.attr	= ADFS_I(inode)->attr;
 	obj.size	= inode->i_size;
 
-	ret = adfs_dir_update(sb, &obj, wait);
+	ret = adfs_dir_update(sb, &obj, wbc->sync_mode == WB_SYNC_ALL);
 	unlock_kernel();
 	return ret;
 }
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index 0e40caaba456..861dae68ac12 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -175,7 +175,8 @@ extern void			 affs_delete_inode(struct inode *inode);
 extern void			 affs_clear_inode(struct inode *inode);
 extern struct inode		*affs_iget(struct super_block *sb,
 					unsigned long ino);
-extern int			 affs_write_inode(struct inode *inode, int);
+extern int			 affs_write_inode(struct inode *inode,
+					struct writeback_control *wbc);
 extern int			 affs_add_entry(struct inode *dir, struct inode *inode, struct dentry *dentry, s32 type);
 
 /* file.c */
diff --git a/fs/affs/bitmap.c b/fs/affs/bitmap.c
index dc5ef14bdc1c..8306d53307ed 100644
--- a/fs/affs/bitmap.c
+++ b/fs/affs/bitmap.c
@@ -128,7 +128,7 @@ err_range:
 /*
  * Allocate a block in the given allocation zone.
  * Since we have to byte-swap the bitmap on little-endian
- * machines, this is rather expensive. Therefor we will
+ * machines, this is rather expensive. Therefore we will
  * preallocate up to 16 blocks from the same word, if
  * possible. We are not doing preallocations in the
  * header zone, though.
diff --git a/fs/affs/inode.c b/fs/affs/inode.c
index 3c4ec7d864c4..c9744d771d98 100644
--- a/fs/affs/inode.c
+++ b/fs/affs/inode.c
@@ -166,7 +166,7 @@ bad_inode:
 }
 
 int
-affs_write_inode(struct inode *inode, int unused)
+affs_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	struct super_block	*sb = inode->i_sb;
 	struct buffer_head	*bh;
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index 6ece2a13bf71..c54dad4e6063 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -733,7 +733,6 @@ extern int afs_write_end(struct file *file, struct address_space *mapping,
 			struct page *page, void *fsdata);
 extern int afs_writepage(struct page *, struct writeback_control *);
 extern int afs_writepages(struct address_space *, struct writeback_control *);
-extern int afs_write_inode(struct inode *, int);
 extern void afs_pages_written_back(struct afs_vnode *, struct afs_call *);
 extern ssize_t afs_file_write(struct kiocb *, const struct iovec *,
 			      unsigned long, loff_t);
diff --git a/fs/afs/security.c b/fs/afs/security.c
index 3ef504370034..bb4ed144d0e4 100644
--- a/fs/afs/security.c
+++ b/fs/afs/security.c
@@ -189,8 +189,9 @@ void afs_cache_permit(struct afs_vnode *vnode, struct key *key, long acl_order)
 	if (!permits)
 		goto out_unlock;
 
-	memcpy(permits->permits, xpermits->permits,
-	       count * sizeof(struct afs_permit));
+	if (xpermits)
+		memcpy(permits->permits, xpermits->permits,
+			count * sizeof(struct afs_permit));
 
 	_debug("key %x access %x",
 	       key_serial(key), vnode->status.caller_access);
diff --git a/fs/afs/super.c b/fs/afs/super.c
index e1ea1c240b6a..14f6431598ad 100644
--- a/fs/afs/super.c
+++ b/fs/afs/super.c
@@ -48,7 +48,6 @@ struct file_system_type afs_fs_type = {
 static const struct super_operations afs_super_ops = {
 	.statfs		= afs_statfs,
 	.alloc_inode	= afs_alloc_inode,
-	.write_inode	= afs_write_inode,
 	.destroy_inode	= afs_destroy_inode,
 	.clear_inode	= afs_clear_inode,
 	.put_super	= afs_put_super,
diff --git a/fs/afs/write.c b/fs/afs/write.c
index 5e15a21dbf9f..3bed54a294d4 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -585,27 +585,6 @@ int afs_writepages(struct address_space *mapping,
 }
 
 /*
- * write an inode back
- */
-int afs_write_inode(struct inode *inode, int sync)
-{
-	struct afs_vnode *vnode = AFS_FS_I(inode);
-	int ret;
-
-	_enter("{%x:%u},", vnode->fid.vid, vnode->fid.vnode);
-
-	ret = 0;
-	if (sync) {
-		ret = filemap_fdatawait(inode->i_mapping);
-		if (ret < 0)
-			__mark_inode_dirty(inode, I_DIRTY_DATASYNC);
-	}
-
-	_leave(" = %d", ret);
-	return ret;
-}
-
-/*
  * completion of write to server
  */
 void afs_pages_written_back(struct afs_vnode *vnode, struct afs_call *call)
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 9f0bf13291e5..2de009565d8e 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -209,6 +209,7 @@ static struct inode *anon_inode_mkinode(void)
 	inode->i_mode = S_IRUSR | S_IWUSR;
 	inode->i_uid = current_fsuid();
 	inode->i_gid = current_fsgid();
+	inode->i_flags |= S_PRIVATE;
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 	return inode;
 }
diff --git a/fs/attr.c b/fs/attr.c
index 96d394bdaddf..0815e93bb487 100644
--- a/fs/attr.c
+++ b/fs/attr.c
@@ -12,7 +12,6 @@
 #include <linux/capability.h>
 #include <linux/fsnotify.h>
 #include <linux/fcntl.h>
-#include <linux/quotaops.h>
 #include <linux/security.h>
 
 /* Taken over from the old code... */
@@ -82,7 +81,7 @@ int inode_newsize_ok(const struct inode *inode, loff_t offset)
 	if (inode->i_size < offset) {
 		unsigned long limit;
 
-		limit = current->signal->rlim[RLIMIT_FSIZE].rlim_cur;
+		limit = rlimit(RLIMIT_FSIZE);
 		if (limit != RLIM_INFINITY && offset > limit)
 			goto out_sig;
 		if (offset > inode->i_sb->s_maxbytes)
@@ -212,14 +211,8 @@ int notify_change(struct dentry * dentry, struct iattr * attr)
 		error = inode->i_op->setattr(dentry, attr);
 	} else {
 		error = inode_change_ok(inode, attr);
-		if (!error) {
-			if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
-			    (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid))
-				error = vfs_dq_transfer(inode, attr) ?
-					-EDQUOT : 0;
-			if (!error)
-				error = inode_setattr(inode, attr);
-		}
+		if (!error)
+			error = inode_setattr(inode, attr);
 	}
 
 	if (ia_valid & ATTR_SIZE)
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
index 0118d67221b2..3d283abf67d7 100644
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -60,11 +60,6 @@ do {							\
 		current->pid, __func__, ##args);	\
 } while (0)
 
-struct rehash_entry {
-	struct task_struct *task;
-	struct list_head list;
-};
-
 /* Unified info structure.  This is pointed to by both the dentry and
    inode structures.  Each file in the filesystem has an instance of this
    structure.  It holds a reference to the dentry, so dentries are never
@@ -81,7 +76,6 @@ struct autofs_info {
 
 	struct list_head active;
 	int active_count;
-	struct list_head rehash_list;
 
 	struct list_head expiring;
 
@@ -104,7 +98,6 @@ struct autofs_info {
 #define AUTOFS_INF_EXPIRING	(1<<0) /* dentry is in the process of expiring */
 #define AUTOFS_INF_MOUNTPOINT	(1<<1) /* mountpoint status for direct expire */
 #define AUTOFS_INF_PENDING	(1<<2) /* dentry pending mount */
-#define AUTOFS_INF_REHASH	(1<<3) /* dentry in transit to ->lookup() */
 
 struct autofs_wait_queue {
 	wait_queue_head_t queue;
diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c
index 00bf8fcb245f..c8a80dffb455 100644
--- a/fs/autofs4/dev-ioctl.c
+++ b/fs/autofs4/dev-ioctl.c
@@ -544,10 +544,9 @@ static int autofs_dev_ioctl_ismountpoint(struct file *fp,
 			goto out;
 		devid = new_encode_dev(path.mnt->mnt_sb->s_dev);
 		err = 0;
-		if (path.dentry->d_inode &&
-		    path.mnt->mnt_root == path.dentry) {
+		if (path.mnt->mnt_root == path.dentry) {
 			err = 1;
-			magic = path.dentry->d_inode->i_sb->s_magic;
+			magic = path.mnt->mnt_sb->s_magic;
 		}
 	} else {
 		dev_t dev = sbi->sb->s_dev;
@@ -560,10 +559,8 @@ static int autofs_dev_ioctl_ismountpoint(struct file *fp,
 
 		err = have_submounts(path.dentry);
 
-		if (path.mnt->mnt_mountpoint != path.mnt->mnt_root) {
-			if (follow_down(&path))
-				magic = path.mnt->mnt_sb->s_magic;
-		}
+		if (follow_down(&path))
+			magic = path.mnt->mnt_sb->s_magic;
 	}
 
 	param->ismountpoint.out.devid = devid;
diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c
index 74bc9aa6df31..a796c9417fb1 100644
--- a/fs/autofs4/expire.c
+++ b/fs/autofs4/expire.c
@@ -279,7 +279,6 @@ struct dentry *autofs4_expire_direct(struct super_block *sb,
 			root->d_mounted--;
 		}
 		ino->flags |= AUTOFS_INF_EXPIRING;
-		autofs4_add_expiring(root);
 		init_completion(&ino->expire_complete);
 		spin_unlock(&sbi->fs_lock);
 		return root;
@@ -407,7 +406,6 @@ found:
 		expired, (int)expired->d_name.len, expired->d_name.name);
 	ino = autofs4_dentry_ino(expired);
 	ino->flags |= AUTOFS_INF_EXPIRING;
-	autofs4_add_expiring(expired);
 	init_completion(&ino->expire_complete);
 	spin_unlock(&sbi->fs_lock);
 	spin_lock(&dcache_lock);
@@ -435,7 +433,7 @@ int autofs4_expire_wait(struct dentry *dentry)
 
 		DPRINTK("expire done status=%d", status);
 
-		if (d_unhashed(dentry) && IS_DEADDIR(dentry->d_inode))
+		if (d_unhashed(dentry))
 			return -EAGAIN;
 
 		return status;
@@ -475,7 +473,6 @@ int autofs4_expire_run(struct super_block *sb,
 	spin_lock(&sbi->fs_lock);
 	ino = autofs4_dentry_ino(dentry);
 	ino->flags &= ~AUTOFS_INF_EXPIRING;
-	autofs4_del_expiring(dentry);
 	complete_all(&ino->expire_complete);
 	spin_unlock(&sbi->fs_lock);
 
@@ -506,7 +503,6 @@ int autofs4_do_expire_multi(struct super_block *sb, struct vfsmount *mnt,
 			ino->flags &= ~AUTOFS_INF_MOUNTPOINT;
 		}
 		ino->flags &= ~AUTOFS_INF_EXPIRING;
-		autofs4_del_expiring(dentry);
 		complete_all(&ino->expire_complete);
 		spin_unlock(&sbi->fs_lock);
 		dput(dentry);
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index d0a3de247458..821b2b955dac 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -49,7 +49,6 @@ struct autofs_info *autofs4_init_ino(struct autofs_info *ino,
 		ino->dentry = NULL;
 		ino->size = 0;
 		INIT_LIST_HEAD(&ino->active);
-		INIT_LIST_HEAD(&ino->rehash_list);
 		ino->active_count = 0;
 		INIT_LIST_HEAD(&ino->expiring);
 		atomic_set(&ino->count, 0);
@@ -97,63 +96,6 @@ void autofs4_free_ino(struct autofs_info *ino)
 	kfree(ino);
 }
 
-/*
- * Deal with the infamous "Busy inodes after umount ..." message.
- *
- * Clean up the dentry tree. This happens with autofs if the user
- * space program goes away due to a SIGKILL, SIGSEGV etc.
- */
-static void autofs4_force_release(struct autofs_sb_info *sbi)
-{
-	struct dentry *this_parent = sbi->sb->s_root;
-	struct list_head *next;
-
-	if (!sbi->sb->s_root)
-		return;
-
-	spin_lock(&dcache_lock);
-repeat:
-	next = this_parent->d_subdirs.next;
-resume:
-	while (next != &this_parent->d_subdirs) {
-		struct dentry *dentry = list_entry(next, struct dentry, d_u.d_child);
-
-		/* Negative dentry - don`t care */
-		if (!simple_positive(dentry)) {
-			next = next->next;
-			continue;
-		}
-
-		if (!list_empty(&dentry->d_subdirs)) {
-			this_parent = dentry;
-			goto repeat;
-		}
-
-		next = next->next;
-		spin_unlock(&dcache_lock);
-
-		DPRINTK("dentry %p %.*s",
-			dentry, (int)dentry->d_name.len, dentry->d_name.name);
-
-		dput(dentry);
-		spin_lock(&dcache_lock);
-	}
-
-	if (this_parent != sbi->sb->s_root) {
-		struct dentry *dentry = this_parent;
-
-		next = this_parent->d_u.d_child.next;
-		this_parent = this_parent->d_parent;
-		spin_unlock(&dcache_lock);
-		DPRINTK("parent dentry %p %.*s",
-			dentry, (int)dentry->d_name.len, dentry->d_name.name);
-		dput(dentry);
-		spin_lock(&dcache_lock);
-		goto resume;
-	}
-	spin_unlock(&dcache_lock);
-}
-
 void autofs4_kill_sb(struct super_block *sb)
 {
 	struct autofs_sb_info *sbi = autofs4_sbi(sb);
@@ -170,15 +112,12 @@ void autofs4_kill_sb(struct super_block *sb)
 	/* Free wait queues, close pipe */
 	autofs4_catatonic_mode(sbi);
 
-	/* Clean up and release dangling references */
-	autofs4_force_release(sbi);
-
 	sb->s_fs_info = NULL;
 	kfree(sbi);
 
 out_kill_sb:
 	DPRINTK("shutting down");
-	kill_anon_super(sb);
+	kill_litter_super(sb);
 }
 
 static int autofs4_show_options(struct seq_file *m, struct vfsmount *mnt)
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index 30cc9ddf4b70..a015b49891df 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -104,99 +104,6 @@ static void autofs4_del_active(struct dentry *dentry)
 	return;
 }
 
-static void autofs4_add_rehash_entry(struct autofs_info *ino,
-				     struct rehash_entry *entry)
-{
-	entry->task = current;
-	INIT_LIST_HEAD(&entry->list);
-	list_add(&entry->list, &ino->rehash_list);
-	return;
-}
-
-static void autofs4_remove_rehash_entry(struct autofs_info *ino)
-{
-	struct list_head *head = &ino->rehash_list;
-	struct rehash_entry *entry;
-	list_for_each_entry(entry, head, list) {
-		if (entry->task == current) {
-			list_del(&entry->list);
-			kfree(entry);
-			break;
-		}
-	}
-	return;
-}
-
-static void autofs4_remove_rehash_entrys(struct autofs_info *ino)
-{
-	struct autofs_sb_info *sbi = ino->sbi;
-	struct rehash_entry *entry, *next;
-	struct list_head *head;
-
-	spin_lock(&sbi->fs_lock);
-	spin_lock(&sbi->lookup_lock);
-	if (!(ino->flags & AUTOFS_INF_REHASH)) {
-		spin_unlock(&sbi->lookup_lock);
-		spin_unlock(&sbi->fs_lock);
-		return;
-	}
-	ino->flags &= ~AUTOFS_INF_REHASH;
-	head = &ino->rehash_list;
-	list_for_each_entry_safe(entry, next, head, list) {
-		list_del(&entry->list);
-		kfree(entry);
-	}
-	spin_unlock(&sbi->lookup_lock);
-	spin_unlock(&sbi->fs_lock);
-	dput(ino->dentry);
-
-	return;
-}
-
-static void autofs4_revalidate_drop(struct dentry *dentry,
-				    struct rehash_entry *entry)
-{
-	struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
-	struct autofs_info *ino = autofs4_dentry_ino(dentry);
-	/*
-	 * Add to the active list so we can pick this up in
-	 * ->lookup(). Also add an entry to a rehash list so
-	 * we know when there are no dentrys in flight so we
-	 * know when we can rehash the dentry.
-	 */
-	spin_lock(&sbi->lookup_lock);
-	if (list_empty(&ino->active))
-		list_add(&ino->active, &sbi->active_list);
-	autofs4_add_rehash_entry(ino, entry);
-	spin_unlock(&sbi->lookup_lock);
-	if (!(ino->flags & AUTOFS_INF_REHASH)) {
-		ino->flags |= AUTOFS_INF_REHASH;
-		dget(dentry);
-		spin_lock(&dentry->d_lock);
-		__d_drop(dentry);
-		spin_unlock(&dentry->d_lock);
-	}
-	return;
-}
-
-static void autofs4_revalidate_rehash(struct dentry *dentry)
-{
-	struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
-	struct autofs_info *ino = autofs4_dentry_ino(dentry);
-	if (ino->flags & AUTOFS_INF_REHASH) {
-		spin_lock(&sbi->lookup_lock);
-		autofs4_remove_rehash_entry(ino);
-		if (list_empty(&ino->rehash_list)) {
-			spin_unlock(&sbi->lookup_lock);
-			ino->flags &= ~AUTOFS_INF_REHASH;
-			d_rehash(dentry);
-			dput(ino->dentry);
-		} else
-			spin_unlock(&sbi->lookup_lock);
-	}
-	return;
-}
-
 static unsigned int autofs4_need_mount(unsigned int flags)
 {
 	unsigned int res = 0;
@@ -236,7 +143,7 @@ out:
 	return dcache_dir_open(inode, file);
 }
 
-static int try_to_fill_dentry(struct dentry *dentry)
+static int try_to_fill_dentry(struct dentry *dentry, int flags)
 {
 	struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb);
 	struct autofs_info *ino = autofs4_dentry_ino(dentry);
@@ -249,17 +156,55 @@ static int try_to_fill_dentry(struct dentry *dentry)
 	 * Wait for a pending mount, triggering one if there
 	 * isn't one already
 	 */
-	DPRINTK("waiting for mount name=%.*s",
-		 dentry->d_name.len, dentry->d_name.name);
+	if (dentry->d_inode == NULL) {
+		DPRINTK("waiting for mount name=%.*s",
+			 dentry->d_name.len, dentry->d_name.name);
 
-	status = autofs4_wait(sbi, dentry, NFY_MOUNT);
+		status = autofs4_wait(sbi, dentry, NFY_MOUNT);
 
-	DPRINTK("mount done status=%d", status);
+		DPRINTK("mount done status=%d", status);
 
-	/* Update expiry counter */
-	ino->last_used = jiffies;
+		/* Turn this into a real negative dentry? */
+		if (status == -ENOENT) {
+			spin_lock(&sbi->fs_lock);
+			ino->flags &= ~AUTOFS_INF_PENDING;
+			spin_unlock(&sbi->fs_lock);
+			return status;
+		} else if (status) {
+			/* Return a negative dentry, but leave it "pending" */
+			return status;
+		}
+	/* Trigger mount for path component or follow link */
+	} else if (ino->flags & AUTOFS_INF_PENDING ||
+			autofs4_need_mount(flags) ||
+			current->link_count) {
+		DPRINTK("waiting for mount name=%.*s",
+			dentry->d_name.len, dentry->d_name.name);
 
-	return status;
+		spin_lock(&sbi->fs_lock);
+		ino->flags |= AUTOFS_INF_PENDING;
+		spin_unlock(&sbi->fs_lock);
+		status = autofs4_wait(sbi, dentry, NFY_MOUNT);
+
+		DPRINTK("mount done status=%d", status);
+
+		if (status) {
+			spin_lock(&sbi->fs_lock);
+			ino->flags &= ~AUTOFS_INF_PENDING;
+			spin_unlock(&sbi->fs_lock);
+			return status;
+		}
+	}
+
+	/* Initialize expiry counter after successful mount */
+	if (ino)
+		ino->last_used = jiffies;
+
+	spin_lock(&sbi->fs_lock);
+	ino->flags &= ~AUTOFS_INF_PENDING;
+	spin_unlock(&sbi->fs_lock);
+
+	return 0;
 }
 
 /* For autofs direct mounts the follow link triggers the mount */
@@ -313,16 +258,10 @@ static void *autofs4_follow_link(struct dentry *dentry, struct nameidata *nd)
 	 */
 	if (ino->flags & AUTOFS_INF_PENDING ||
 	    (!d_mountpoint(dentry) && list_empty(&dentry->d_subdirs))) {
-		ino->flags |= AUTOFS_INF_PENDING;
 		spin_unlock(&dcache_lock);
 		spin_unlock(&sbi->fs_lock);
 
-		status = try_to_fill_dentry(dentry);
-
-		spin_lock(&sbi->fs_lock);
-		ino->flags &= ~AUTOFS_INF_PENDING;
-		spin_unlock(&sbi->fs_lock);
-
+		status = try_to_fill_dentry(dentry, 0);
 		if (status)
 			goto out_error;
 
@@ -361,47 +300,18 @@ static int autofs4_revalidate(struct dentry *dentry, struct nameidata *nd)
 {
 	struct inode *dir = dentry->d_parent->d_inode;
 	struct autofs_sb_info *sbi = autofs4_sbi(dir->i_sb);
-	struct autofs_info *ino = autofs4_dentry_ino(dentry);
-	struct rehash_entry *entry;
+	int oz_mode = autofs4_oz_mode(sbi);
 	int flags = nd ? nd->flags : 0;
-	unsigned int mutex_aquired;
+	int status = 1;
 
-	DPRINTK("name = %.*s oz_mode = %d",
-		dentry->d_name.len, dentry->d_name.name, oz_mode);
-
-	/* Daemon never causes a mount to trigger */
-	if (autofs4_oz_mode(sbi))
-		return 1;
-
-	entry = kmalloc(sizeof(struct rehash_entry), GFP_KERNEL);
-	if (!entry)
-		return -ENOMEM;
-
-	mutex_aquired = mutex_trylock(&dir->i_mutex);
-
-	spin_lock(&sbi->fs_lock);
-	spin_lock(&dcache_lock);
 	/* Pending dentry */
+	spin_lock(&sbi->fs_lock);
 	if (autofs4_ispending(dentry)) {
-		int status;
-
-		/*
-		 * We can only unhash and send this to ->lookup() if
-		 * the directory mutex is held over d_revalidate() and
-		 * ->lookup(). This prevents the VFS from incorrectly
-		 * seeing the dentry as non-existent.
-		 */
-		ino->flags |= AUTOFS_INF_PENDING;
-		if (!mutex_aquired) {
-			autofs4_revalidate_drop(dentry, entry);
-			spin_unlock(&dcache_lock);
-			spin_unlock(&sbi->fs_lock);
-			return 0;
-		}
-		spin_unlock(&dcache_lock);
+		/* The daemon never causes a mount to trigger */
 		spin_unlock(&sbi->fs_lock);
-		mutex_unlock(&dir->i_mutex);
-		kfree(entry);
+
+		if (oz_mode)
+			return 1;
 
 		/*
 		 * If the directory has gone away due to an expire
@@ -415,82 +325,45 @@ static int autofs4_revalidate(struct dentry *dentry, struct nameidata *nd)
 		 * A zero status is success otherwise we have a
 		 * negative error code.
 		 */
-		status = try_to_fill_dentry(dentry);
-
-		spin_lock(&sbi->fs_lock);
-		ino->flags &= ~AUTOFS_INF_PENDING;
-		spin_unlock(&sbi->fs_lock);
-
+		status = try_to_fill_dentry(dentry, flags);
 		if (status == 0)
 			return 1;
 
 		return status;
 	}
+	spin_unlock(&sbi->fs_lock);
+
+	/* Negative dentry.. invalidate if "old" */
+	if (dentry->d_inode == NULL)
+		return 0;
 
 	/* Check for a non-mountpoint directory with no contents */
+	spin_lock(&dcache_lock);
 	if (S_ISDIR(dentry->d_inode->i_mode) &&
 	    !d_mountpoint(dentry) && list_empty(&dentry->d_subdirs)) {
 		DPRINTK("dentry=%p %.*s, emptydir",
 			 dentry, dentry->d_name.len, dentry->d_name.name);
+		spin_unlock(&dcache_lock);
 
-		if (autofs4_need_mount(flags) || current->link_count) {
-			int status;
-
-			/*
-			 * We can only unhash and send this to ->lookup() if
-			 * the directory mutex is held over d_revalidate() and
-			 * ->lookup(). This prevents the VFS from incorrectly
-			 * seeing the dentry as non-existent.
-			 */
-			ino->flags |= AUTOFS_INF_PENDING;
-			if (!mutex_aquired) {
-				autofs4_revalidate_drop(dentry, entry);
-				spin_unlock(&dcache_lock);
-				spin_unlock(&sbi->fs_lock);
-				return 0;
-			}
-			spin_unlock(&dcache_lock);
-			spin_unlock(&sbi->fs_lock);
-			mutex_unlock(&dir->i_mutex);
-			kfree(entry);
-
-			/*
-			 * A zero status is success otherwise we have a
-			 * negative error code.
-			 */
-			status = try_to_fill_dentry(dentry);
-
-			spin_lock(&sbi->fs_lock);
-			ino->flags &= ~AUTOFS_INF_PENDING;
-			spin_unlock(&sbi->fs_lock);
+		/* The daemon never causes a mount to trigger */
+		if (oz_mode)
+			return 1;
 
-			if (status == 0)
-				return 1;
+		/*
+		 * A zero status is success otherwise we have a
+		 * negative error code.
+		 */
+		status = try_to_fill_dentry(dentry, flags);
+		if (status == 0)
+			return 1;
 
-			return status;
-		}
+		return status;
 	}
 	spin_unlock(&dcache_lock);
-	spin_unlock(&sbi->fs_lock);
-
-	if (mutex_aquired)
-		mutex_unlock(&dir->i_mutex);
-
-	kfree(entry);
 
 	return 1;
 }
 
-static void autofs4_free_rehash_entrys(struct autofs_info *inf)
-{
-	struct list_head *head = &inf->rehash_list;
-	struct rehash_entry *entry, *next;
-	list_for_each_entry_safe(entry, next, head, list) {
-		list_del(&entry->list);
-		kfree(entry);
-	}
-}
-
 void autofs4_dentry_release(struct dentry *de)
 {
 	struct autofs_info *inf;
@@ -509,8 +382,6 @@ void autofs4_dentry_release(struct dentry *de)
 				list_del(&inf->active);
 			if (!list_empty(&inf->expiring))
 				list_del(&inf->expiring);
-			if (!list_empty(&inf->rehash_list))
-				autofs4_free_rehash_entrys(inf);
 			spin_unlock(&sbi->lookup_lock);
 		}
 
@@ -543,7 +414,6 @@ static struct dentry *autofs4_lookup_active(struct dentry *dentry)
 	const unsigned char *str = name->name;
 	struct list_head *p, *head;
 
-restart:
 	spin_lock(&dcache_lock);
 	spin_lock(&sbi->lookup_lock);
 	head = &sbi->active_list;
@@ -561,19 +431,6 @@ restart:
 		if (atomic_read(&active->d_count) == 0)
 			goto next;
 
-		if (active->d_inode && IS_DEADDIR(active->d_inode)) {
-			if (!list_empty(&ino->rehash_list)) {
-				dget(active);
-				spin_unlock(&active->d_lock);
-				spin_unlock(&sbi->lookup_lock);
-				spin_unlock(&dcache_lock);
-				autofs4_remove_rehash_entrys(ino);
-				dput(active);
-				goto restart;
-			}
-			goto next;
-		}
-
 		qstr = &active->d_name;
 
 		if (active->d_name.hash != hash)
@@ -586,11 +443,13 @@ restart:
 		if (memcmp(qstr->name, str, len))
 			goto next;
 
-		dget(active);
-		spin_unlock(&active->d_lock);
-		spin_unlock(&sbi->lookup_lock);
-		spin_unlock(&dcache_lock);
-		return active;
+		if (d_unhashed(active)) {
+			dget(active);
+			spin_unlock(&active->d_lock);
+			spin_unlock(&sbi->lookup_lock);
+			spin_unlock(&dcache_lock);
+			return active;
+		}
 next:
 		spin_unlock(&active->d_lock);
 	}
@@ -639,11 +498,13 @@ static struct dentry *autofs4_lookup_expiring(struct dentry *dentry)
 		if (memcmp(qstr->name, str, len))
 			goto next;
 
-		dget(expiring);
-		spin_unlock(&expiring->d_lock);
-		spin_unlock(&sbi->lookup_lock);
-		spin_unlock(&dcache_lock);
-		return expiring;
+		if (d_unhashed(expiring)) {
+			dget(expiring);
+			spin_unlock(&expiring->d_lock);
+			spin_unlock(&sbi->lookup_lock);
+			spin_unlock(&dcache_lock);
+			return expiring;
+		}
 next:
 		spin_unlock(&expiring->d_lock);
 	}
@@ -653,48 +514,6 @@ next:
 	return NULL;
 }
 
-static struct autofs_info *init_new_dentry(struct autofs_sb_info *sbi,
-					   struct dentry *dentry, int oz_mode)
-{
-	struct autofs_info *ino;
-
-	/*
-	 * Mark the dentry incomplete but don't hash it. We do this
-	 * to serialize our inode creation operations (symlink and
-	 * mkdir) which prevents deadlock during the callback to
-	 * the daemon. Subsequent user space lookups for the same
-	 * dentry are placed on the wait queue while the daemon
-	 * itself is allowed passage unresticted so the create
-	 * operation itself can then hash the dentry. Finally,
-	 * we check for the hashed dentry and return the newly
-	 * hashed dentry.
-	 */
-	dentry->d_op = &autofs4_root_dentry_operations;
-
-	/*
-	 * And we need to ensure that the same dentry is used for
-	 * all following lookup calls until it is hashed so that
-	 * the dentry flags are persistent throughout the request.
-	 */
-	ino = autofs4_init_ino(NULL, sbi, 0555);
-	if (!ino)
-		return ERR_PTR(-ENOMEM);
-
-	dentry->d_fsdata = ino;
-	ino->dentry = dentry;
-
-	/*
-	 * Only set the mount pending flag for new dentrys not created
-	 * by the daemon.
-	 */
-	if (!oz_mode)
-		ino->flags |= AUTOFS_INF_PENDING;
-
-	d_instantiate(dentry, NULL);
-
-	return ino;
-}
-
 /* Lookups in the root directory */
 static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
 {
@@ -702,7 +521,6 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, s
 	struct autofs_info *ino;
 	struct dentry *expiring, *active;
 	int oz_mode;
-	int status = 0;
 
 	DPRINTK("name = %.*s",
 		dentry->d_name.len, dentry->d_name.name);
@@ -717,26 +535,44 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, s
 	DPRINTK("pid = %u, pgrp = %u, catatonic = %d, oz_mode = %d",
 		 current->pid, task_pgrp_nr(current), sbi->catatonic, oz_mode);
 
-	spin_lock(&sbi->fs_lock);
 	active = autofs4_lookup_active(dentry);
 	if (active) {
 		dentry = active;
 		ino = autofs4_dentry_ino(dentry);
-		/* If this came from revalidate, rehash it */
-		autofs4_revalidate_rehash(dentry);
-		spin_unlock(&sbi->fs_lock);
 	} else {
-		spin_unlock(&sbi->fs_lock);
-		ino = init_new_dentry(sbi, dentry, oz_mode);
-		if (IS_ERR(ino))
-			return (struct dentry *) ino;
-	}
+		/*
+		 * Mark the dentry incomplete but don't hash it. We do this
+		 * to serialize our inode creation operations (symlink and
+		 * mkdir) which prevents deadlock during the callback to
+		 * the daemon. Subsequent user space lookups for the same
+		 * dentry are placed on the wait queue while the daemon
+		 * itself is allowed passage unresticted so the create
+		 * operation itself can then hash the dentry. Finally,
+		 * we check for the hashed dentry and return the newly
+		 * hashed dentry.
+		 */
+		dentry->d_op = &autofs4_root_dentry_operations;
+
+		/*
+		 * And we need to ensure that the same dentry is used for
+		 * all following lookup calls until it is hashed so that
+		 * the dentry flags are persistent throughout the request.
+		 */
+		ino = autofs4_init_ino(NULL, sbi, 0555);
+		if (!ino)
+			return ERR_PTR(-ENOMEM);
 
-	autofs4_add_active(dentry);
+		dentry->d_fsdata = ino;
+		ino->dentry = dentry;
+
+		autofs4_add_active(dentry);
+
+		d_instantiate(dentry, NULL);
+	}
 
 	if (!oz_mode) {
-		expiring = autofs4_lookup_expiring(dentry);
 		mutex_unlock(&dir->i_mutex);
+		expiring = autofs4_lookup_expiring(dentry);
 		if (expiring) {
 			/*
 			 * If we are racing with expire the request might not
@@ -744,22 +580,23 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, s
 			 * so it must have been successful, so just wait for it.
 			 */
 			autofs4_expire_wait(expiring);
+			autofs4_del_expiring(expiring);
 			dput(expiring);
 		}
-		status = try_to_fill_dentry(dentry);
-		mutex_lock(&dir->i_mutex);
+
 		spin_lock(&sbi->fs_lock);
-		ino->flags &= ~AUTOFS_INF_PENDING;
+		ino->flags |= AUTOFS_INF_PENDING;
 		spin_unlock(&sbi->fs_lock);
+		if (dentry->d_op && dentry->d_op->d_revalidate)
+			(dentry->d_op->d_revalidate)(dentry, nd);
+		mutex_lock(&dir->i_mutex);
 	}
 
-	autofs4_del_active(dentry);
-
 	/*
-	 * If we had a mount fail, check if we had to handle
+	 * If we are still pending, check if we had to handle
 	 * a signal. If so we can force a restart..
 	 */
-	if (status) {
+	if (ino->flags & AUTOFS_INF_PENDING) {
 		/* See if we were interrupted */
 		if (signal_pending(current)) {
 			sigset_t *sigset = &current->pending.signal;
@@ -771,46 +608,43 @@ static struct dentry *autofs4_lookup(struct inode *dir, struct dentry *dentry, s
 			    return ERR_PTR(-ERESTARTNOINTR);
 			}
 		}
-	}
-
-	/*
-	 * User space can (and has done in the past) remove and re-create
-	 * this directory during the callback. This can leave us with an
-	 * unhashed dentry, but a successful mount!  So we need to
-	 * perform another cached lookup in case the dentry now exists.
-	 */
-	if (!oz_mode && !have_submounts(dentry)) {
-		struct dentry *new;
-		new = d_lookup(dentry->d_parent, &dentry->d_name);
-		if (new) {
-			if (active)
-				dput(active);
-			return new;
-		} else {
-			if (!status)
-				status = -ENOENT;
+		if (!oz_mode) {
+			spin_lock(&sbi->fs_lock);
+			ino->flags &= ~AUTOFS_INF_PENDING;
+			spin_unlock(&sbi->fs_lock);
 		}
 	}
 
 	/*
-	 * If we had a mount failure, return status to user space.
-	 * If the mount succeeded and we used a dentry from the active queue
-	 * return it.
+	 * If this dentry is unhashed, then we shouldn't honour this
+	 * lookup.  Returning ENOENT here doesn't do the right thing
+	 * for all system calls, but it should be OK for the operations
+	 * we permit from an autofs.
 	 */
-	if (status) {
-		dentry = ERR_PTR(status);
-		if (active)
-			dput(active);
-		return dentry;
-	} else {
+	if (!oz_mode && d_unhashed(dentry)) {
 		/*
-		 * Valid successful mount, return active dentry or NULL
-		 * for a new dentry.
+		 * A user space application can (and has done in the past)
+		 * remove and re-create this directory during the callback.
+		 * This can leave us with an unhashed dentry, but a
+		 * successful mount!  So we need to perform another
+		 * cached lookup in case the dentry now exists.
 		 */
+		struct dentry *parent = dentry->d_parent;
+		struct dentry *new = d_lookup(parent, &dentry->d_name);
+		if (new != NULL)
+			dentry = new;
+		else
+			dentry = ERR_PTR(-ENOENT);
+
 		if (active)
-			return active;
+			dput(active);
+
+		return dentry;
 	}
 
+	if (active)
+		return active;
+
 	return NULL;
 }
 
@@ -834,6 +668,8 @@ static int autofs4_dir_symlink(struct inode *dir,
 	if (!ino)
 		return -ENOMEM;
 
+	autofs4_del_active(dentry);
+
 	ino->size = strlen(symname);
 	cp = kmalloc(ino->size + 1, GFP_KERNEL);
 	if (!cp) {
@@ -910,6 +746,7 @@ static int autofs4_dir_unlink(struct inode *dir, struct dentry *dentry)
 	dir->i_mtime = CURRENT_TIME;
 
 	spin_lock(&dcache_lock);
+	autofs4_add_expiring(dentry);
 	spin_lock(&dentry->d_lock);
 	__d_drop(dentry);
 	spin_unlock(&dentry->d_lock);
@@ -935,6 +772,7 @@ static int autofs4_dir_rmdir(struct inode *dir, struct dentry *dentry)
 		spin_unlock(&dcache_lock);
 		return -ENOTEMPTY;
 	}
+	autofs4_add_expiring(dentry);
 	spin_lock(&dentry->d_lock);
 	__d_drop(dentry);
 	spin_unlock(&dentry->d_lock);
@@ -972,6 +810,8 @@ static int autofs4_dir_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	if (!ino)
 		return -ENOMEM;
 
+	autofs4_del_active(dentry);
+
 	inode = autofs4_get_inode(dir->i_sb, ino);
 	if (!inode) {
 		if (!dentry->d_fsdata)
diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c
index 8f3d9fd89604..f22a7d3dc362 100644
--- a/fs/bfs/inode.c
+++ b/fs/bfs/inode.c
@@ -15,6 +15,7 @@
 #include <linux/smp_lock.h>
 #include <linux/buffer_head.h>
 #include <linux/vfs.h>
+#include <linux/writeback.h>
 #include <asm/uaccess.h>
 #include "bfs.h"
 
@@ -98,7 +99,7 @@ error:
 	return ERR_PTR(-EIO);
 }
 
-static int bfs_write_inode(struct inode *inode, int wait)
+static int bfs_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	struct bfs_sb_info *info = BFS_SB(inode->i_sb);
 	unsigned int ino = (u16)inode->i_ino;
@@ -147,7 +148,7 @@ static int bfs_write_inode(struct inode *inode, int wait)
 	di->i_eoffset = cpu_to_le32(i_sblock * BFS_BSIZE + inode->i_size - 1);
 
 	mark_buffer_dirty(bh);
-	if (wait) {
+	if (wbc->sync_mode == WB_SYNC_ALL) {
 		sync_dirty_buffer(bh);
 		if (buffer_req(bh) && !buffer_uptodate(bh))
 			err = -EIO;
diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c
index fdd397099172..9b6aef0f75e5 100644
--- a/fs/binfmt_aout.c
+++ b/fs/binfmt_aout.c
@@ -24,6 +24,7 @@
 #include <linux/binfmts.h>
 #include <linux/personality.h>
 #include <linux/init.h>
+#include <linux/coredump.h>
 
 #include <asm/system.h>
 #include <asm/uaccess.h>
@@ -60,26 +61,6 @@ static int set_brk(unsigned long start, unsigned long end)
 }
 
 /*
- * These are the only things you should do on a core-file: use only these
- * macros to write out all the necessary info.
- */
-
-static int dump_write(struct file *file, const void *addr, int nr)
-{
-	return file->f_op->write(file, addr, nr, &file->f_pos) == nr;
-}
-
-#define DUMP_WRITE(addr, nr)	\
-	if (!dump_write(file, (void *)(addr), (nr))) \
-		goto end_coredump;
-
-#define DUMP_SEEK(offset) \
-if (file->f_op->llseek) { \
-	if (file->f_op->llseek(file,(offset),0) != (offset)) \
- 		goto end_coredump; \
-} else file->f_pos = (offset)
-
-/*
  * Routine writes a core dump image in the current directory.
  * Currently only a stub-function.
  *
@@ -94,14 +75,16 @@ static int aout_core_dump(struct coredump_params *cprm)
 	struct file *file = cprm->file;
 	mm_segment_t fs;
 	int has_dumped = 0;
-	unsigned long dump_start, dump_size;
+	void __user *dump_start;
+	int dump_size;
 	struct user dump;
 #ifdef __alpha__
-#       define START_DATA(u)	(u.start_data)
+#       define START_DATA(u)	((void __user *)u.start_data)
 #else
-#	define START_DATA(u)	((u.u_tsize << PAGE_SHIFT) + u.start_code)
+#	define START_DATA(u)	((void __user *)((u.u_tsize << PAGE_SHIFT) + \
+				 u.start_code))
 #endif
-#       define START_STACK(u)   (u.start_stack)
+#       define START_STACK(u)   ((void __user *)u.start_stack)
 
 	fs = get_fs();
 	set_fs(KERNEL_DS);
@@ -123,33 +106,38 @@ static int aout_core_dump(struct coredump_params *cprm)
 
 /* make sure we actually have a data and stack area to dump */
 	set_fs(USER_DS);
-	if (!access_ok(VERIFY_READ, (void __user *)START_DATA(dump), dump.u_dsize << PAGE_SHIFT))
+	if (!access_ok(VERIFY_READ, START_DATA(dump), dump.u_dsize << PAGE_SHIFT))
 		dump.u_dsize = 0;
-	if (!access_ok(VERIFY_READ, (void __user *)START_STACK(dump), dump.u_ssize << PAGE_SHIFT))
+	if (!access_ok(VERIFY_READ, START_STACK(dump), dump.u_ssize << PAGE_SHIFT))
 		dump.u_ssize = 0;
 
 	set_fs(KERNEL_DS);
 /* struct user */
-	DUMP_WRITE(&dump,sizeof(dump));
+	if (!dump_write(file, &dump, sizeof(dump)))
+		goto end_coredump;
 /* Now dump all of the user data.  Include malloced stuff as well */
-	DUMP_SEEK(PAGE_SIZE);
+	if (!dump_seek(cprm->file, PAGE_SIZE - sizeof(dump)))
+		goto end_coredump;
 /* now we start writing out the user space info */
 	set_fs(USER_DS);
 /* Dump the data area */
 	if (dump.u_dsize != 0) {
 		dump_start = START_DATA(dump);
 		dump_size = dump.u_dsize << PAGE_SHIFT;
-		DUMP_WRITE(dump_start,dump_size);
+		if (!dump_write(file, dump_start, dump_size))
+			goto end_coredump;
 	}
 /* Now prepare to dump the stack area */
 	if (dump.u_ssize != 0) {
 		dump_start = START_STACK(dump);
 		dump_size = dump.u_ssize << PAGE_SHIFT;
-		DUMP_WRITE(dump_start,dump_size);
+		if (!dump_write(file, dump_start, dump_size))
+			goto end_coredump;
 	}
 /* Finally dump the task struct.  Not be used by gdb, but could be useful */
 	set_fs(KERNEL_DS);
-	DUMP_WRITE(current,sizeof(*current));
+	if (!dump_write(file, current, sizeof(*current)))
+		goto end_coredump;
 end_coredump:
 	set_fs(fs);
 	return has_dumped;
@@ -247,7 +235,7 @@ static int load_aout_binary(struct linux_binprm * bprm, struct pt_regs * regs)
 	 * size limits imposed on them by creating programs with large
 	 * arrays in the data or bss.
 	 */
-	rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
+	rlim = rlimit(RLIMIT_DATA);
 	if (rlim >= RLIM_INFINITY)
 		rlim = ~0;
 	if (ex.a_data + ex.a_bss > rlim)
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index fd5b2ea5d299..535e763ab1a6 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -31,6 +31,7 @@
 #include <linux/random.h>
 #include <linux/elf.h>
 #include <linux/utsname.h>
+#include <linux/coredump.h>
 #include <asm/uaccess.h>
 #include <asm/param.h>
 #include <asm/page.h>
@@ -1085,36 +1086,6 @@ out:
  * Modelled on fs/exec.c:aout_core_dump()
  * Jeremy Fitzhardinge <jeremy@sw.oz.au>
  */
-/*
- * These are the only things you should do on a core-file: use only these
- * functions to write out all the necessary info.
- */
-static int dump_write(struct file *file, const void *addr, int nr)
-{
-	return file->f_op->write(file, addr, nr, &file->f_pos) == nr;
-}
-
-static int dump_seek(struct file *file, loff_t off)
-{
-	if (file->f_op->llseek && file->f_op->llseek != no_llseek) {
-		if (file->f_op->llseek(file, off, SEEK_CUR) < 0)
-			return 0;
-	} else {
-		char *buf = (char *)get_zeroed_page(GFP_KERNEL);
-		if (!buf)
-			return 0;
-		while (off > 0) {
-			unsigned long n = off;
-			if (n > PAGE_SIZE)
-				n = PAGE_SIZE;
-			if (!dump_write(file, buf, n))
-				return 0;
-			off -= n;
-		}
-		free_page((unsigned long)buf);
-	}
-	return 1;
-}
 
 /*
  * Decide what to dump of a segment, part, all or none.
@@ -1249,11 +1220,6 @@ static int writenote(struct memelfnote *men, struct file *file,
 }
 #undef DUMP_WRITE
 
-#define DUMP_WRITE(addr, nr)				\
-	if ((size += (nr)) > cprm->limit ||		\
-	    !dump_write(cprm->file, (addr), (nr)))	\
-		goto end_coredump;
-
 static void fill_elf_header(struct elfhdr *elf, int segs,
 			    u16 machine, u32 flags, u8 osabi)
 {
@@ -1872,6 +1838,34 @@ static struct vm_area_struct *next_vma(struct vm_area_struct *this_vma,
 	return gate_vma;
 }
 
+static void fill_extnum_info(struct elfhdr *elf, struct elf_shdr *shdr4extnum,
+			     elf_addr_t e_shoff, int segs)
+{
+	elf->e_shoff = e_shoff;
+	elf->e_shentsize = sizeof(*shdr4extnum);
+	elf->e_shnum = 1;
+	elf->e_shstrndx = SHN_UNDEF;
+
+	memset(shdr4extnum, 0, sizeof(*shdr4extnum));
+
+	shdr4extnum->sh_type = SHT_NULL;
+	shdr4extnum->sh_size = elf->e_shnum;
+	shdr4extnum->sh_link = elf->e_shstrndx;
+	shdr4extnum->sh_info = segs;
+}
+
+static size_t elf_core_vma_data_size(struct vm_area_struct *gate_vma,
+				     unsigned long mm_flags)
+{
+	struct vm_area_struct *vma;
+	size_t size = 0;
+
+	for (vma = first_vma(current, gate_vma); vma != NULL;
+	     vma = next_vma(vma, gate_vma))
+		size += vma_dump_size(vma, mm_flags);
+	return size;
+}
+
 /*
  * Actual dumper
  *
@@ -1888,8 +1882,11 @@ static int elf_core_dump(struct coredump_params *cprm)
 	struct vm_area_struct *vma, *gate_vma;
 	struct elfhdr *elf = NULL;
 	loff_t offset = 0, dataoff, foffset;
-	unsigned long mm_flags;
 	struct elf_note_info info;
+	struct elf_phdr *phdr4note = NULL;
+	struct elf_shdr *shdr4extnum = NULL;
+	Elf_Half e_phnum;
+	elf_addr_t e_shoff;
 
 	/*
 	 * We no longer stop all VM operations.
@@ -1912,20 +1909,25 @@ static int elf_core_dump(struct coredump_params *cprm)
 	 * Please check DEFAULT_MAX_MAP_COUNT definition when you modify here.
 	 */
 	segs = current->mm->map_count;
-#ifdef ELF_CORE_EXTRA_PHDRS
-	segs += ELF_CORE_EXTRA_PHDRS;
-#endif
+	segs += elf_core_extra_phdrs();
 
 	gate_vma = get_gate_vma(current);
 	if (gate_vma != NULL)
 		segs++;
 
+	/* for notes section */
+	segs++;
+
+	/* If segs > PN_XNUM(0xffff), then e_phnum overflows. To avoid
+	 * this, kernel supports extended numbering. Have a look at
+	 * include/linux/elf.h for further information. */
+	e_phnum = segs > PN_XNUM ? PN_XNUM : segs;
+
 	/*
 	 * Collect all the non-memory information about the process for the
 	 * notes.  This also sets up the file header.
 	 */
-	if (!fill_note_info(elf, segs + 1, /* including notes section */
-			    &info, cprm->signr, cprm->regs))
+	if (!fill_note_info(elf, e_phnum, &info, cprm->signr, cprm->regs))
 		goto cleanup;
 
 	has_dumped = 1;
@@ -1934,31 +1936,47 @@ static int elf_core_dump(struct coredump_params *cprm)
 	fs = get_fs();
 	set_fs(KERNEL_DS);
 
-	DUMP_WRITE(elf, sizeof(*elf));
 	offset += sizeof(*elf);				/* Elf header */
-	offset += (segs + 1) * sizeof(struct elf_phdr); /* Program headers */
+	offset += segs * sizeof(struct elf_phdr);	/* Program headers */
 	foffset = offset;
 
 	/* Write notes phdr entry */
 	{
-		struct elf_phdr phdr;
 		size_t sz = get_note_info_size(&info);
 
 		sz += elf_coredump_extra_notes_size();
 
-		fill_elf_note_phdr(&phdr, sz, offset);
+		phdr4note = kmalloc(sizeof(*phdr4note), GFP_KERNEL);
+		if (!phdr4note)
+			goto end_coredump;
+
+		fill_elf_note_phdr(phdr4note, sz, offset);
 		offset += sz;
-		DUMP_WRITE(&phdr, sizeof(phdr));
 	}
 
 	dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);
 
-	/*
-	 * We must use the same mm->flags while dumping core to avoid
-	 * inconsistency between the program headers and bodies, otherwise an
-	 * unusable core file can be generated.
-	 */
-	mm_flags = current->mm->flags;
+	offset += elf_core_vma_data_size(gate_vma, cprm->mm_flags);
+	offset += elf_core_extra_data_size();
+	e_shoff = offset;
+
+	if (e_phnum == PN_XNUM) {
+		shdr4extnum = kmalloc(sizeof(*shdr4extnum), GFP_KERNEL);
+		if (!shdr4extnum)
+			goto end_coredump;
+		fill_extnum_info(elf, shdr4extnum, e_shoff, segs);
+	}
+
+	offset = dataoff;
+
+	size += sizeof(*elf);
+	if (size > cprm->limit || !dump_write(cprm->file, elf, sizeof(*elf)))
+		goto end_coredump;
+
+	size += sizeof(*phdr4note);
+	if (size > cprm->limit
+	    || !dump_write(cprm->file, phdr4note, sizeof(*phdr4note)))
+		goto end_coredump;
 
 	/* Write program headers for segments dump */
 	for (vma = first_vma(current, gate_vma); vma != NULL;
@@ -1969,7 +1987,7 @@ static int elf_core_dump(struct coredump_params *cprm)
 		phdr.p_offset = offset;
 		phdr.p_vaddr = vma->vm_start;
 		phdr.p_paddr = 0;
-		phdr.p_filesz = vma_dump_size(vma, mm_flags);
+		phdr.p_filesz = vma_dump_size(vma, cprm->mm_flags);
 		phdr.p_memsz = vma->vm_end - vma->vm_start;
 		offset += phdr.p_filesz;
 		phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0;
@@ -1979,12 +1997,14 @@ static int elf_core_dump(struct coredump_params *cprm)
 			phdr.p_flags |= PF_X;
 		phdr.p_align = ELF_EXEC_PAGESIZE;
 
-		DUMP_WRITE(&phdr, sizeof(phdr));
+		size += sizeof(phdr);
+		if (size > cprm->limit
+		    || !dump_write(cprm->file, &phdr, sizeof(phdr)))
+			goto end_coredump;
 	}
 
-#ifdef ELF_CORE_WRITE_EXTRA_PHDRS
-	ELF_CORE_WRITE_EXTRA_PHDRS;
-#endif
+	if (!elf_core_write_extra_phdrs(cprm->file, offset, &size, cprm->limit))
+		goto end_coredump;
 
  	/* write out the notes section */
 	if (!write_note_info(&info, cprm->file, &foffset))
@@ -2002,7 +2022,7 @@ static int elf_core_dump(struct coredump_params *cprm)
 		unsigned long addr;
 		unsigned long end;
 
-		end = vma->vm_start + vma_dump_size(vma, mm_flags);
+		end = vma->vm_start + vma_dump_size(vma, cprm->mm_flags);
 
 		for (addr = vma->vm_start; addr < end; addr += PAGE_SIZE) {
 			struct page *page;
@@ -2023,15 +2043,24 @@ static int elf_core_dump(struct coredump_params *cprm)
 		}
 	}
 
-#ifdef ELF_CORE_WRITE_EXTRA_DATA
-	ELF_CORE_WRITE_EXTRA_DATA;
-#endif
+	if (!elf_core_write_extra_data(cprm->file, &size, cprm->limit))
+		goto end_coredump;
+
+	if (e_phnum == PN_XNUM) {
+		size += sizeof(*shdr4extnum);
+		if (size > cprm->limit
+		    || !dump_write(cprm->file, shdr4extnum,
+				   sizeof(*shdr4extnum)))
+			goto end_coredump;
+	}
 
 end_coredump:
 	set_fs(fs);
 
 cleanup:
 	free_note_info(&info);
+	kfree(shdr4extnum);
+	kfree(phdr4note);
 	kfree(elf);
 out:
 	return has_dumped;
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index 18d77297ccc8..7ab23e006e4c 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -34,6 +34,7 @@
 #include <linux/elf.h>
 #include <linux/elf-fdpic.h>
 #include <linux/elfcore.h>
+#include <linux/coredump.h>
 
 #include <asm/uaccess.h>
 #include <asm/param.h>
@@ -1216,26 +1217,6 @@ static int elf_fdpic_map_file_by_direct_mmap(struct elf_fdpic_params *params,
 #ifdef CONFIG_ELF_CORE
 
 /*
- * These are the only things you should do on a core-file: use only these
- * functions to write out all the necessary info.
- */
-static int dump_write(struct file *file, const void *addr, int nr)
-{
-	return file->f_op->write(file, addr, nr, &file->f_pos) == nr;
-}
-
-static int dump_seek(struct file *file, loff_t off)
-{
-	if (file->f_op->llseek) {
-		if (file->f_op->llseek(file, off, SEEK_SET) != off)
-			return 0;
-	} else {
-		file->f_pos = off;
-	}
-	return 1;
-}
-
-/*
  * Decide whether a segment is worth dumping; default is yes to be
  * sure (missing info is worse than too much; etc).
  * Personally I'd include everything, and use the coredump limit...
@@ -1313,35 +1294,35 @@ static int notesize(struct memelfnote *en)
 
 /* #define DEBUG */
 
-#define DUMP_WRITE(addr, nr)	\
-	do { if (!dump_write(file, (addr), (nr))) return 0; } while(0)
-#define DUMP_SEEK(off)	\
-	do { if (!dump_seek(file, (off))) return 0; } while(0)
+#define DUMP_WRITE(addr, nr, foffset)	\
+	do { if (!dump_write(file, (addr), (nr))) return 0; *foffset += (nr); } while(0)
 
-static int writenote(struct memelfnote *men, struct file *file)
+static int alignfile(struct file *file, loff_t *foffset)
 {
-	struct elf_note en;
+	static const char buf[4] = { 0, };
+	DUMP_WRITE(buf, roundup(*foffset, 4) - *foffset, foffset);
+	return 1;
+}
 
+static int writenote(struct memelfnote *men, struct file *file,
+			loff_t *foffset)
+{
+	struct elf_note en;
 	en.n_namesz = strlen(men->name) + 1;
 	en.n_descsz = men->datasz;
 	en.n_type = men->type;
 
-	DUMP_WRITE(&en, sizeof(en));
-	DUMP_WRITE(men->name, en.n_namesz);
-	/* XXX - cast from long long to long to avoid need for libgcc.a */
-	DUMP_SEEK(roundup((unsigned long)file->f_pos, 4));	/* XXX */
-	DUMP_WRITE(men->data, men->datasz);
-	DUMP_SEEK(roundup((unsigned long)file->f_pos, 4));	/* XXX */
+	DUMP_WRITE(&en, sizeof(en), foffset);
+	DUMP_WRITE(men->name, en.n_namesz, foffset);
+	if (!alignfile(file, foffset))
+		return 0;
+	DUMP_WRITE(men->data, men->datasz, foffset);
+	if (!alignfile(file, foffset))
+		return 0;
 
 	return 1;
 }
 #undef DUMP_WRITE
-#undef DUMP_SEEK
-
-#define DUMP_WRITE(addr, nr)				\
-	if ((size += (nr)) > cprm->limit ||		\
-	    !dump_write(cprm->file, (addr), (nr)))	\
-		goto end_coredump;
 
 static inline void fill_elf_fdpic_header(struct elfhdr *elf, int segs)
 {
@@ -1393,7 +1374,7 @@ static inline void fill_note(struct memelfnote *note, const char *name, int type
 
 /*
  * fill up all the fields in prstatus from the given task struct, except
- * registers which need to be filled up seperately.
+ * registers which need to be filled up separately.
  */
 static void fill_prstatus(struct elf_prstatus *prstatus,
 			  struct task_struct *p, long signr)
@@ -1524,6 +1505,22 @@ static int elf_dump_thread_status(long signr, struct elf_thread_status *t)
 	return sz;
 }
 
+static void fill_extnum_info(struct elfhdr *elf, struct elf_shdr *shdr4extnum,
+			     elf_addr_t e_shoff, int segs)
+{
+	elf->e_shoff = e_shoff;
+	elf->e_shentsize = sizeof(*shdr4extnum);
+	elf->e_shnum = 1;
+	elf->e_shstrndx = SHN_UNDEF;
+
+	memset(shdr4extnum, 0, sizeof(*shdr4extnum));
+
+	shdr4extnum->sh_type = SHT_NULL;
+	shdr4extnum->sh_size = elf->e_shnum;
+	shdr4extnum->sh_link = elf->e_shstrndx;
+	shdr4extnum->sh_info = segs;
+}
+
 /*
  * dump the segments for an MMU process
  */
@@ -1552,7 +1549,7 @@ static int elf_fdpic_dump_segments(struct file *file, size_t *size,
 					err = -EIO;
 				kunmap(page);
 				page_cache_release(page);
-			} else if (!dump_seek(file, file->f_pos + PAGE_SIZE))
+			} else if (!dump_seek(file, PAGE_SIZE))
 				err = -EFBIG;
 			if (err)
 				goto out;
@@ -1588,6 +1585,17 @@ static int elf_fdpic_dump_segments(struct file *file, size_t *size,
 }
 #endif
 
+static size_t elf_core_vma_data_size(unsigned long mm_flags)
+{
+	struct vm_area_struct *vma;
+	size_t size = 0;
+
+	for (vma = current->mm->mmap; vma; vma = vma->vm_next)
+		if (maydump(vma, mm_flags))
+			size += vma->vm_end - vma->vm_start;
+	return size;
+}
+
 /*
  * Actual dumper
  *
@@ -1605,7 +1613,7 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
 	int i;
 	struct vm_area_struct *vma;
 	struct elfhdr *elf = NULL;
-	loff_t offset = 0, dataoff;
+	loff_t offset = 0, dataoff, foffset;
 	int numnote;
 	struct memelfnote *notes = NULL;
 	struct elf_prstatus *prstatus = NULL;	/* NT_PRSTATUS */
@@ -1618,7 +1626,10 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
 #endif
 	int thread_status_size = 0;
 	elf_addr_t *auxv;
-	unsigned long mm_flags;
+	struct elf_phdr *phdr4note = NULL;
+	struct elf_shdr *shdr4extnum = NULL;
+	Elf_Half e_phnum;
+	elf_addr_t e_shoff;
 
 	/*
 	 * We no longer stop all VM operations.
@@ -1683,12 +1694,18 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
 	elf_core_copy_regs(&prstatus->pr_reg, cprm->regs);
 
 	segs = current->mm->map_count;
-#ifdef ELF_CORE_EXTRA_PHDRS
-	segs += ELF_CORE_EXTRA_PHDRS;
-#endif
+	segs += elf_core_extra_phdrs();
+
+	/* for notes section */
+	segs++;
+
+	/* If segs > PN_XNUM(0xffff), then e_phnum overflows. To avoid
+	 * this, kernel supports extended numbering. Have a look at
+	 * include/linux/elf.h for further information. */
+	e_phnum = segs > PN_XNUM ? PN_XNUM : segs;
 
 	/* Set up header */
-	fill_elf_fdpic_header(elf, segs + 1);	/* including notes section */
+	fill_elf_fdpic_header(elf, e_phnum);
 
 	has_dumped = 1;
 	current->flags |= PF_DUMPCORE;
@@ -1727,13 +1744,12 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
 	fs = get_fs();
 	set_fs(KERNEL_DS);
 
-	DUMP_WRITE(elf, sizeof(*elf));
 	offset += sizeof(*elf);				/* Elf header */
-	offset += (segs+1) * sizeof(struct elf_phdr);	/* Program headers */
+	offset += segs * sizeof(struct elf_phdr);	/* Program headers */
+	foffset = offset;
 
 	/* Write notes phdr entry */
 	{
-		struct elf_phdr phdr;
 		int sz = 0;
 
 		for (i = 0; i < numnote; i++)
@@ -1741,20 +1757,38 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
 
 		sz += thread_status_size;
 
-		fill_elf_note_phdr(&phdr, sz, offset);
+		phdr4note = kmalloc(sizeof(*phdr4note), GFP_KERNEL);
+		if (!phdr4note)
+			goto end_coredump;
+
+		fill_elf_note_phdr(phdr4note, sz, offset);
 		offset += sz;
-		DUMP_WRITE(&phdr, sizeof(phdr));
 	}
 
 	/* Page-align dumped data */
 	dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE);
 
-	/*
-	 * We must use the same mm->flags while dumping core to avoid
-	 * inconsistency between the program headers and bodies, otherwise an
-	 * unusable core file can be generated.
-	 */
-	mm_flags = current->mm->flags;
+	offset += elf_core_vma_data_size(cprm->mm_flags);
+	offset += elf_core_extra_data_size();
+	e_shoff = offset;
+
+	if (e_phnum == PN_XNUM) {
+		shdr4extnum = kmalloc(sizeof(*shdr4extnum), GFP_KERNEL);
+		if (!shdr4extnum)
+			goto end_coredump;
+		fill_extnum_info(elf, shdr4extnum, e_shoff, segs);
+	}
+
+	offset = dataoff;
+
+	size += sizeof(*elf);
+	if (size > cprm->limit || !dump_write(cprm->file, elf, sizeof(*elf)))
+		goto end_coredump;
+
+	size += sizeof(*phdr4note);
+	if (size > cprm->limit
+	    || !dump_write(cprm->file, phdr4note, sizeof(*phdr4note)))
+		goto end_coredump;
 
 	/* write program headers for segments dump */
 	for (vma = current->mm->mmap; vma; vma = vma->vm_next) {
@@ -1767,7 +1801,7 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
 		phdr.p_offset = offset;
 		phdr.p_vaddr = vma->vm_start;
 		phdr.p_paddr = 0;
-		phdr.p_filesz = maydump(vma, mm_flags) ? sz : 0;
+		phdr.p_filesz = maydump(vma, cprm->mm_flags) ? sz : 0;
 		phdr.p_memsz = sz;
 		offset += phdr.p_filesz;
 		phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0;
@@ -1777,16 +1811,18 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
 			phdr.p_flags |= PF_X;
 		phdr.p_align = ELF_EXEC_PAGESIZE;
 
-		DUMP_WRITE(&phdr, sizeof(phdr));
+		size += sizeof(phdr);
+		if (size > cprm->limit
+		    || !dump_write(cprm->file, &phdr, sizeof(phdr)))
+			goto end_coredump;
 	}
 
-#ifdef ELF_CORE_WRITE_EXTRA_PHDRS
-	ELF_CORE_WRITE_EXTRA_PHDRS;
-#endif
+	if (!elf_core_write_extra_phdrs(cprm->file, offset, &size, cprm->limit))
+		goto end_coredump;
 
  	/* write out the notes section */
 	for (i = 0; i < numnote; i++)
-		if (!writenote(notes + i, cprm->file))
+		if (!writenote(notes + i, cprm->file, &foffset))
 			goto end_coredump;
 
 	/* write out the thread status notes section */
@@ -1795,20 +1831,27 @@ static int elf_fdpic_core_dump(struct coredump_params *cprm)
 				list_entry(t, struct elf_thread_status, list);
 
 		for (i = 0; i < tmp->num_notes; i++)
-			if (!writenote(&tmp->notes[i], cprm->file))
+			if (!writenote(&tmp->notes[i], cprm->file, &foffset))
 				goto end_coredump;
 	}
 
-	if (!dump_seek(cprm->file, dataoff))
+	if (!dump_seek(cprm->file, dataoff - foffset))
 		goto end_coredump;
 
 	if (elf_fdpic_dump_segments(cprm->file, &size, &cprm->limit,
-				    mm_flags) < 0)
+				    cprm->mm_flags) < 0)
 		goto end_coredump;
 
-#ifdef ELF_CORE_WRITE_EXTRA_DATA
-	ELF_CORE_WRITE_EXTRA_DATA;
-#endif
+	if (!elf_core_write_extra_data(cprm->file, &size, cprm->limit))
+		goto end_coredump;
+
+	if (e_phnum == PN_XNUM) {
+		size += sizeof(*shdr4extnum);
+		if (size > cprm->limit
+		    || !dump_write(cprm->file, shdr4extnum,
+				   sizeof(*shdr4extnum)))
+			goto end_coredump;
+	}
 
 	if (cprm->file->f_pos != offset) {
 		/* Sanity check */
@@ -1826,7 +1869,7 @@ cleanup:
 		list_del(tmp);
 		kfree(list_entry(tmp, struct elf_thread_status, list));
 	}
-
+	kfree(phdr4note);
 	kfree(elf);
 	kfree(prstatus);
 	kfree(psinfo);
diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c
index 42c6b4a54445..e0e769bdca59 100644
--- a/fs/binfmt_flat.c
+++ b/fs/binfmt_flat.c
@@ -501,7 +501,7 @@ static int load_flat_file(struct linux_binprm * bprm,
 	 * size limits imposed on them by creating programs with large
 	 * arrays in the data or bss.
 	 */
-	rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
+	rlim = rlimit(RLIMIT_DATA);
 	if (rlim >= RLIM_INFINITY)
 		rlim = ~0;
 	if (data_len + bss_len > rlim) {
diff --git a/fs/bio.c b/fs/bio.c
index dc17afd672e3..e1f922184b45 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -264,13 +264,12 @@ EXPORT_SYMBOL(bio_init);
  * bio_alloc_bioset - allocate a bio for I/O
  * @gfp_mask:   the GFP_ mask given to the slab allocator
  * @nr_iovecs:	number of iovecs to pre-allocate
- * @bs:		the bio_set to allocate from. If %NULL, just use kmalloc
+ * @bs:		the bio_set to allocate from.
  *
  * Description:
- *   bio_alloc_bioset will first try its own mempool to satisfy the allocation.
+ *   bio_alloc_bioset will try its own mempool to satisfy the allocation.
  *   If %__GFP_WAIT is set then we will block on the internal pool waiting
- *   for a &struct bio to become free. If a %NULL @bs is passed in, we will
- *   fall back to just using @kmalloc to allocate the required memory.
+ *   for a &struct bio to become free.
  *
  *   Note that the caller must set ->bi_destructor on successful return
  *   of a bio, to do the appropriate freeing of the bio once the reference
diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h
index 3f1f50d9d916..7a4dee199832 100644
--- a/fs/btrfs/btrfs_inode.h
+++ b/fs/btrfs/btrfs_inode.h
@@ -153,6 +153,11 @@ struct btrfs_inode {
 	unsigned ordered_data_close:1;
 	unsigned dummy_inode:1;
 
+	/*
+	 * always compress this one file
+	 */
+	unsigned force_compress:1;
+
 	struct inode vfs_inode;
 };
 
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index a11a32058b50..28b92a7218ab 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -478,7 +478,7 @@ static noinline int add_ra_bio_pages(struct inode *inode,
 			goto next;
 		}
 
-		page = alloc_page(mapping_gfp_mask(mapping) | GFP_NOFS);
+		page = alloc_page(mapping_gfp_mask(mapping) & ~__GFP_FS);
 		if (!page)
 			break;
 
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 2aa8ec6a0981..0af2e3868573 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -373,11 +373,13 @@ struct btrfs_super_block {
  * ones specified below then we will fail to mount
  */
 #define BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF	(1ULL << 0)
+#define BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL	(2ULL << 0)
 
 #define BTRFS_FEATURE_COMPAT_SUPP		0ULL
 #define BTRFS_FEATURE_COMPAT_RO_SUPP		0ULL
 #define BTRFS_FEATURE_INCOMPAT_SUPP		\
-	BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF
+	(BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF |	\
+	 BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL)
 
 /*
  * A leaf is full of items. offset and size tell us where to find
@@ -1182,7 +1184,6 @@ struct btrfs_root {
 #define BTRFS_INODE_NOATIME		(1 << 9)
 #define BTRFS_INODE_DIRSYNC		(1 << 10)
 
-
 /* some macros to generate set/get funcs for the struct fields.  This
  * assumes there is a lefoo_to_cpu for every type, so lets make a simple
  * one for u8:
@@ -1842,7 +1843,7 @@ BTRFS_SETGET_STACK_FUNCS(super_num_devices, struct btrfs_super_block,
 BTRFS_SETGET_STACK_FUNCS(super_compat_flags, struct btrfs_super_block,
 			 compat_flags, 64);
 BTRFS_SETGET_STACK_FUNCS(super_compat_ro_flags, struct btrfs_super_block,
-			 compat_flags, 64);
+			 compat_ro_flags, 64);
 BTRFS_SETGET_STACK_FUNCS(super_incompat_flags, struct btrfs_super_block,
 			 incompat_flags, 64);
 BTRFS_SETGET_STACK_FUNCS(super_csum_type, struct btrfs_super_block,
@@ -2310,7 +2311,8 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
 			       u32 min_type);
 
 int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput);
-int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end);
+int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end,
+			      struct extent_state **cached_state);
 int btrfs_writepages(struct address_space *mapping,
 		     struct writeback_control *wbc);
 int btrfs_create_subvol_root(struct btrfs_trans_handle *trans,
@@ -2326,7 +2328,7 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);
 int btrfs_readpage(struct file *file, struct page *page);
 void btrfs_delete_inode(struct inode *inode);
 void btrfs_put_inode(struct inode *inode);
-int btrfs_write_inode(struct inode *inode, int wait);
+int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc);
 void btrfs_dirty_inode(struct inode *inode);
 struct inode *btrfs_alloc_inode(struct super_block *sb);
 void btrfs_destroy_inode(struct inode *inode);
@@ -2335,7 +2337,7 @@ int btrfs_init_cachep(void);
 void btrfs_destroy_cachep(void);
 long btrfs_ioctl_trans_end(struct file *file);
 struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
-			 struct btrfs_root *root);
+			 struct btrfs_root *root, int *was_new);
 int btrfs_commit_write(struct file *file, struct page *page,
 		       unsigned from, unsigned to);
 struct extent_map *btrfs_get_extent(struct inode *inode, struct page *page,
@@ -2386,7 +2388,6 @@ void btrfs_sysfs_del_super(struct btrfs_fs_info *root);
 ssize_t btrfs_listxattr(struct dentry *dentry, char *buffer, size_t size);
 
 /* super.c */
-u64 btrfs_parse_size(char *str);
 int btrfs_parse_options(struct btrfs_root *root, char *options);
 int btrfs_sync_fs(struct super_block *sb, int wait);
 
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 2b59201b955c..11d0ad30e203 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -263,13 +263,15 @@ static int csum_tree_block(struct btrfs_root *root, struct extent_buffer *buf,
 static int verify_parent_transid(struct extent_io_tree *io_tree,
 				 struct extent_buffer *eb, u64 parent_transid)
 {
+	struct extent_state *cached_state = NULL;
 	int ret;
 
 	if (!parent_transid || btrfs_header_generation(eb) == parent_transid)
 		return 0;
 
-	lock_extent(io_tree, eb->start, eb->start + eb->len - 1, GFP_NOFS);
-	if (extent_buffer_uptodate(io_tree, eb) &&
+	lock_extent_bits(io_tree, eb->start, eb->start + eb->len - 1,
+			 0, &cached_state, GFP_NOFS);
+	if (extent_buffer_uptodate(io_tree, eb, cached_state) &&
 	    btrfs_header_generation(eb) == parent_transid) {
 		ret = 0;
 		goto out;
@@ -282,10 +284,10 @@ static int verify_parent_transid(struct extent_io_tree *io_tree,
 		       (unsigned long long)btrfs_header_generation(eb));
 	}
 	ret = 1;
-	clear_extent_buffer_uptodate(io_tree, eb);
+	clear_extent_buffer_uptodate(io_tree, eb, &cached_state);
 out:
-	unlock_extent(io_tree, eb->start, eb->start + eb->len - 1,
-		      GFP_NOFS);
+	unlock_extent_cached(io_tree, eb->start, eb->start + eb->len - 1,
+			     &cached_state, GFP_NOFS);
 	return ret;
 }
 
@@ -901,7 +903,7 @@ static int __setup_root(u32 nodesize, u32 leafsize, u32 sectorsize,
 	root->highest_objectid = 0;
 	root->name = NULL;
 	root->in_sysfs = 0;
-	root->inode_tree.rb_node = NULL;
+	root->inode_tree = RB_ROOT;
 
 	INIT_LIST_HEAD(&root->dirty_list);
 	INIT_LIST_HEAD(&root->orphan_list);
@@ -1673,7 +1675,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
 	insert_inode_hash(fs_info->btree_inode);
 
 	spin_lock_init(&fs_info->block_group_cache_lock);
-	fs_info->block_group_cache_tree.rb_node = NULL;
+	fs_info->block_group_cache_tree = RB_ROOT;
 
 	extent_io_tree_init(&fs_info->freed_extents[0],
 			     fs_info->btree_inode->i_mapping, GFP_NOFS);
@@ -2497,7 +2499,8 @@ int btrfs_buffer_uptodate(struct extent_buffer *buf, u64 parent_transid)
 	int ret;
 	struct inode *btree_inode = buf->first_page->mapping->host;
 
-	ret = extent_buffer_uptodate(&BTRFS_I(btree_inode)->io_tree, buf);
+	ret = extent_buffer_uptodate(&BTRFS_I(btree_inode)->io_tree, buf,
+				     NULL);
 	if (!ret)
 		return ret;
 
diff --git a/fs/btrfs/export.c b/fs/btrfs/export.c
index ba5c3fd5ab8c..951ef09b82f4 100644
--- a/fs/btrfs/export.c
+++ b/fs/btrfs/export.c
@@ -95,7 +95,7 @@ static struct dentry *btrfs_get_dentry(struct super_block *sb, u64 objectid,
 	btrfs_set_key_type(&key, BTRFS_INODE_ITEM_KEY);
 	key.offset = 0;
 
-	inode = btrfs_iget(sb, &key, root);
+	inode = btrfs_iget(sb, &key, root, NULL);
 	if (IS_ERR(inode)) {
 		err = PTR_ERR(inode);
 		goto fail;
@@ -223,7 +223,7 @@ static struct dentry *btrfs_get_parent(struct dentry *child)
 
 	key.type = BTRFS_INODE_ITEM_KEY;
 	key.offset = 0;
-	dentry = d_obtain_alias(btrfs_iget(root->fs_info->sb, &key, root));
+	dentry = d_obtain_alias(btrfs_iget(root->fs_info->sb, &key, root, NULL));
 	if (!IS_ERR(dentry))
 		dentry->d_op = &btrfs_dentry_operations;
 	return dentry;
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 559f72489b3b..1727b26fb194 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -6561,6 +6561,7 @@ static noinline int invalidate_extent_cache(struct btrfs_root *root,
 	struct btrfs_key key;
 	struct inode *inode = NULL;
 	struct btrfs_file_extent_item *fi;
+	struct extent_state *cached_state = NULL;
 	u64 num_bytes;
 	u64 skip_objectid = 0;
 	u32 nritems;
@@ -6589,12 +6590,14 @@ static noinline int invalidate_extent_cache(struct btrfs_root *root,
 		}
 		num_bytes = btrfs_file_extent_num_bytes(leaf, fi);
 
-		lock_extent(&BTRFS_I(inode)->io_tree, key.offset,
-			    key.offset + num_bytes - 1, GFP_NOFS);
+		lock_extent_bits(&BTRFS_I(inode)->io_tree, key.offset,
+				 key.offset + num_bytes - 1, 0, &cached_state,
+				 GFP_NOFS);
 		btrfs_drop_extent_cache(inode, key.offset,
 					key.offset + num_bytes - 1, 1);
-		unlock_extent(&BTRFS_I(inode)->io_tree, key.offset,
-			      key.offset + num_bytes - 1, GFP_NOFS);
+		unlock_extent_cached(&BTRFS_I(inode)->io_tree, key.offset,
+				     key.offset + num_bytes - 1, &cached_state,
+				     GFP_NOFS);
 		cond_resched();
 	}
 	iput(inode);
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index b177ed319612..c99121ac5d6b 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -104,8 +104,8 @@ void extent_io_exit(void)
 void extent_io_tree_init(struct extent_io_tree *tree,
 			  struct address_space *mapping, gfp_t mask)
 {
-	tree->state.rb_node = NULL;
-	tree->buffer.rb_node = NULL;
+	tree->state = RB_ROOT;
+	tree->buffer = RB_ROOT;
 	tree->ops = NULL;
 	tree->dirty_bytes = 0;
 	spin_lock_init(&tree->lock);
@@ -513,7 +513,10 @@ int clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
 	u64 last_end;
 	int err;
 	int set = 0;
+	int clear = 0;
 
+	if (bits & (EXTENT_IOBITS | EXTENT_BOUNDARY))
+		clear = 1;
 again:
 	if (!prealloc && (mask & __GFP_WAIT)) {
 		prealloc = alloc_extent_state(mask);
@@ -524,14 +527,20 @@ again:
 	spin_lock(&tree->lock);
 	if (cached_state) {
 		cached = *cached_state;
-		*cached_state = NULL;
-		cached_state = NULL;
+
+		if (clear) {
+			*cached_state = NULL;
+			cached_state = NULL;
+		}
+
 		if (cached && cached->tree && cached->start == start) {
-			atomic_dec(&cached->refs);
+			if (clear)
+				atomic_dec(&cached->refs);
 			state = cached;
 			goto hit_next;
 		}
-		free_extent_state(cached);
+		if (clear)
+			free_extent_state(cached);
 	}
 	/*
 	 * this search will find the extents that end after
@@ -946,11 +955,11 @@ int clear_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
 }
 
 int set_extent_delalloc(struct extent_io_tree *tree, u64 start, u64 end,
-		     gfp_t mask)
+			struct extent_state **cached_state, gfp_t mask)
 {
 	return set_extent_bit(tree, start, end,
 			      EXTENT_DELALLOC | EXTENT_DIRTY | EXTENT_UPTODATE,
-			      0, NULL, NULL, mask);
+			      0, NULL, cached_state, mask);
 }
 
 int clear_extent_dirty(struct extent_io_tree *tree, u64 start, u64 end,
@@ -984,10 +993,11 @@ int set_extent_uptodate(struct extent_io_tree *tree, u64 start, u64 end,
 }
 
 static int clear_extent_uptodate(struct extent_io_tree *tree, u64 start,
-				 u64 end, gfp_t mask)
+				 u64 end, struct extent_state **cached_state,
+				 gfp_t mask)
 {
 	return clear_extent_bit(tree, start, end, EXTENT_UPTODATE, 0, 0,
-				NULL, mask);
+				cached_state, mask);
 }
 
 int wait_on_extent_writeback(struct extent_io_tree *tree, u64 start, u64 end)
@@ -1171,7 +1181,8 @@ out:
  * 1 is returned if we find something, 0 if nothing was in the tree
  */
 static noinline u64 find_delalloc_range(struct extent_io_tree *tree,
-					u64 *start, u64 *end, u64 max_bytes)
+					u64 *start, u64 *end, u64 max_bytes,
+					struct extent_state **cached_state)
 {
 	struct rb_node *node;
 	struct extent_state *state;
@@ -1203,8 +1214,11 @@ static noinline u64 find_delalloc_range(struct extent_io_tree *tree,
 				*end = state->end;
 			goto out;
 		}
-		if (!found)
+		if (!found) {
 			*start = state->start;
+			*cached_state = state;
+			atomic_inc(&state->refs);
+		}
 		found++;
 		*end = state->end;
 		cur_start = state->end + 1;
@@ -1336,10 +1350,11 @@ again:
 	delalloc_start = *start;
 	delalloc_end = 0;
 	found = find_delalloc_range(tree, &delalloc_start, &delalloc_end,
-				    max_bytes);
+				    max_bytes, &cached_state);
 	if (!found || delalloc_end <= *start) {
 		*start = delalloc_start;
 		*end = delalloc_end;
+		free_extent_state(cached_state);
 		return found;
 	}
 
@@ -1722,7 +1737,7 @@ static void end_bio_extent_writepage(struct bio *bio, int err)
 		}
 
 		if (!uptodate) {
-			clear_extent_uptodate(tree, start, end, GFP_NOFS);
+			clear_extent_uptodate(tree, start, end, NULL, GFP_NOFS);
 			ClearPageUptodate(page);
 			SetPageError(page);
 		}
@@ -1750,7 +1765,8 @@ static void end_bio_extent_writepage(struct bio *bio, int err)
 static void end_bio_extent_readpage(struct bio *bio, int err)
 {
 	int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
-	struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
+	struct bio_vec *bvec_end = bio->bi_io_vec + bio->bi_vcnt - 1;
+	struct bio_vec *bvec = bio->bi_io_vec;
 	struct extent_io_tree *tree;
 	u64 start;
 	u64 end;
@@ -1773,7 +1789,7 @@ static void end_bio_extent_readpage(struct bio *bio, int err)
 		else
 			whole_page = 0;
 
-		if (--bvec >= bio->bi_io_vec)
+		if (++bvec <= bvec_end)
 			prefetchw(&bvec->bv_page->flags);
 
 		if (uptodate && tree->ops && tree->ops->readpage_end_io_hook) {
@@ -1818,7 +1834,7 @@ static void end_bio_extent_readpage(struct bio *bio, int err)
 			}
 			check_page_locked(tree, page);
 		}
-	} while (bvec >= bio->bi_io_vec);
+	} while (bvec <= bvec_end);
 
 	bio_put(bio);
 }
@@ -2704,6 +2720,7 @@ int extent_readpages(struct extent_io_tree *tree,
 int extent_invalidatepage(struct extent_io_tree *tree,
 			  struct page *page, unsigned long offset)
 {
+	struct extent_state *cached_state = NULL;
 	u64 start = ((u64)page->index << PAGE_CACHE_SHIFT);
 	u64 end = start + PAGE_CACHE_SIZE - 1;
 	size_t blocksize = page->mapping->host->i_sb->s_blocksize;
@@ -2712,12 +2729,12 @@ int extent_invalidatepage(struct extent_io_tree *tree,
 	if (start > end)
 		return 0;
 
-	lock_extent(tree, start, end, GFP_NOFS);
+	lock_extent_bits(tree, start, end, 0, &cached_state, GFP_NOFS);
 	wait_on_page_writeback(page);
 	clear_extent_bit(tree, start, end,
 			 EXTENT_LOCKED | EXTENT_DIRTY | EXTENT_DELALLOC |
 			 EXTENT_DO_ACCOUNTING,
-			 1, 1, NULL, GFP_NOFS);
+			 1, 1, &cached_state, GFP_NOFS);
 	return 0;
 }
 
@@ -2920,16 +2937,17 @@ sector_t extent_bmap(struct address_space *mapping, sector_t iblock,
 		get_extent_t *get_extent)
 {
 	struct inode *inode = mapping->host;
+	struct extent_state *cached_state = NULL;
 	u64 start = iblock << inode->i_blkbits;
 	sector_t sector = 0;
 	size_t blksize = (1 << inode->i_blkbits);
 	struct extent_map *em;
 
-	lock_extent(&BTRFS_I(inode)->io_tree, start, start + blksize - 1,
-		    GFP_NOFS);
+	lock_extent_bits(&BTRFS_I(inode)->io_tree, start, start + blksize - 1,
+			 0, &cached_state, GFP_NOFS);
 	em = get_extent(inode, NULL, 0, start, blksize, 0);
-	unlock_extent(&BTRFS_I(inode)->io_tree, start, start + blksize - 1,
-		      GFP_NOFS);
+	unlock_extent_cached(&BTRFS_I(inode)->io_tree, start,
+			     start + blksize - 1, &cached_state, GFP_NOFS);
 	if (!em || IS_ERR(em))
 		return 0;
 
@@ -2951,6 +2969,7 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 	u32 flags = 0;
 	u64 disko = 0;
 	struct extent_map *em = NULL;
+	struct extent_state *cached_state = NULL;
 	int end = 0;
 	u64 em_start = 0, em_len = 0;
 	unsigned long emflags;
@@ -2959,8 +2978,8 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 	if (len == 0)
 		return -EINVAL;
 
-	lock_extent(&BTRFS_I(inode)->io_tree, start, start + len,
-		GFP_NOFS);
+	lock_extent_bits(&BTRFS_I(inode)->io_tree, start, start + len, 0,
+			 &cached_state, GFP_NOFS);
 	em = get_extent(inode, NULL, 0, off, max - off, 0);
 	if (!em)
 		goto out;
@@ -3023,8 +3042,8 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 out_free:
 	free_extent_map(em);
 out:
-	unlock_extent(&BTRFS_I(inode)->io_tree, start, start + len,
-			GFP_NOFS);
+	unlock_extent_cached(&BTRFS_I(inode)->io_tree, start, start + len,
+			     &cached_state, GFP_NOFS);
 	return ret;
 }
 
@@ -3264,7 +3283,8 @@ int set_extent_buffer_dirty(struct extent_io_tree *tree,
 }
 
 int clear_extent_buffer_uptodate(struct extent_io_tree *tree,
-				struct extent_buffer *eb)
+				struct extent_buffer *eb,
+				struct extent_state **cached_state)
 {
 	unsigned long i;
 	struct page *page;
@@ -3274,7 +3294,7 @@ int clear_extent_buffer_uptodate(struct extent_io_tree *tree,
 	clear_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags);
 
 	clear_extent_uptodate(tree, eb->start, eb->start + eb->len - 1,
-			      GFP_NOFS);
+			      cached_state, GFP_NOFS);
 	for (i = 0; i < num_pages; i++) {
 		page = extent_buffer_page(eb, i);
 		if (page)
@@ -3334,7 +3354,8 @@ int extent_range_uptodate(struct extent_io_tree *tree,
 }
 
 int extent_buffer_uptodate(struct extent_io_tree *tree,
-			   struct extent_buffer *eb)
+			   struct extent_buffer *eb,
+			   struct extent_state *cached_state)
 {
 	int ret = 0;
 	unsigned long num_pages;
@@ -3346,7 +3367,7 @@ int extent_buffer_uptodate(struct extent_io_tree *tree,
 		return 1;
 
 	ret = test_range_bit(tree, eb->start, eb->start + eb->len - 1,
-			   EXTENT_UPTODATE, 1, NULL);
+			   EXTENT_UPTODATE, 1, cached_state);
 	if (ret)
 		return ret;
 
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 36de250a7b2b..bbab4813646f 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -163,6 +163,8 @@ int lock_extent(struct extent_io_tree *tree, u64 start, u64 end, gfp_t mask);
 int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
 		     int bits, struct extent_state **cached, gfp_t mask);
 int unlock_extent(struct extent_io_tree *tree, u64 start, u64 end, gfp_t mask);
+int unlock_extent_cached(struct extent_io_tree *tree, u64 start, u64 end,
+			 struct extent_state **cached, gfp_t mask);
 int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end,
 		    gfp_t mask);
 int extent_read_full_page(struct extent_io_tree *tree, struct page *page,
@@ -196,7 +198,7 @@ int clear_extent_ordered(struct extent_io_tree *tree, u64 start, u64 end,
 int clear_extent_ordered_metadata(struct extent_io_tree *tree, u64 start,
 				  u64 end, gfp_t mask);
 int set_extent_delalloc(struct extent_io_tree *tree, u64 start, u64 end,
-		     gfp_t mask);
+			struct extent_state **cached_state, gfp_t mask);
 int set_extent_ordered(struct extent_io_tree *tree, u64 start, u64 end,
 		     gfp_t mask);
 int find_first_extent_bit(struct extent_io_tree *tree, u64 start,
@@ -281,9 +283,11 @@ int test_extent_buffer_dirty(struct extent_io_tree *tree,
 int set_extent_buffer_uptodate(struct extent_io_tree *tree,
 			       struct extent_buffer *eb);
 int clear_extent_buffer_uptodate(struct extent_io_tree *tree,
-				struct extent_buffer *eb);
+				struct extent_buffer *eb,
+				struct extent_state **cached_state);
 int extent_buffer_uptodate(struct extent_io_tree *tree,
-			   struct extent_buffer *eb);
+			   struct extent_buffer *eb,
+			   struct extent_state *cached_state);
 int map_extent_buffer(struct extent_buffer *eb, unsigned long offset,
 		      unsigned long min_len, char **token, char **map,
 		      unsigned long *map_start,
diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
index 428fcac45f90..28d87ba60ce8 100644
--- a/fs/btrfs/extent_map.c
+++ b/fs/btrfs/extent_map.c
@@ -35,7 +35,7 @@ void extent_map_exit(void)
  */
 void extent_map_tree_init(struct extent_map_tree *tree, gfp_t mask)
 {
-	tree->map.rb_node = NULL;
+	tree->map = RB_ROOT;
 	rwlock_init(&tree->lock);
 }
 
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 6ed434ac037f..ee3323c7fc1c 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -123,7 +123,8 @@ static noinline int dirty_and_release_pages(struct btrfs_trans_handle *trans,
 		    root->sectorsize - 1) & ~((u64)root->sectorsize - 1);
 
 	end_of_last_block = start_pos + num_bytes - 1;
-	err = btrfs_set_extent_delalloc(inode, start_pos, end_of_last_block);
+	err = btrfs_set_extent_delalloc(inode, start_pos, end_of_last_block,
+					NULL);
 	if (err)
 		return err;
 
@@ -753,6 +754,7 @@ static noinline int prepare_pages(struct btrfs_root *root, struct file *file,
 			 loff_t pos, unsigned long first_index,
 			 unsigned long last_index, size_t write_bytes)
 {
+	struct extent_state *cached_state = NULL;
 	int i;
 	unsigned long index = pos >> PAGE_CACHE_SHIFT;
 	struct inode *inode = fdentry(file)->d_inode;
@@ -781,16 +783,18 @@ again:
 	}
 	if (start_pos < inode->i_size) {
 		struct btrfs_ordered_extent *ordered;
-		lock_extent(&BTRFS_I(inode)->io_tree,
-			    start_pos, last_pos - 1, GFP_NOFS);
+		lock_extent_bits(&BTRFS_I(inode)->io_tree,
+				 start_pos, last_pos - 1, 0, &cached_state,
+				 GFP_NOFS);
 		ordered = btrfs_lookup_first_ordered_extent(inode,
 							    last_pos - 1);
 		if (ordered &&
 		    ordered->file_offset + ordered->len > start_pos &&
 		    ordered->file_offset < last_pos) {
 			btrfs_put_ordered_extent(ordered);
-			unlock_extent(&BTRFS_I(inode)->io_tree,
-				      start_pos, last_pos - 1, GFP_NOFS);
+			unlock_extent_cached(&BTRFS_I(inode)->io_tree,
+					     start_pos, last_pos - 1,
+					     &cached_state, GFP_NOFS);
 			for (i = 0; i < num_pages; i++) {
 				unlock_page(pages[i]);
 				page_cache_release(pages[i]);
@@ -802,12 +806,13 @@ again:
 		if (ordered)
 			btrfs_put_ordered_extent(ordered);
 
-		clear_extent_bits(&BTRFS_I(inode)->io_tree, start_pos,
+		clear_extent_bit(&BTRFS_I(inode)->io_tree, start_pos,
 				  last_pos - 1, EXTENT_DIRTY | EXTENT_DELALLOC |
-				  EXTENT_DO_ACCOUNTING,
+				  EXTENT_DO_ACCOUNTING, 0, 0, &cached_state,
 				  GFP_NOFS);
-		unlock_extent(&BTRFS_I(inode)->io_tree,
-			      start_pos, last_pos - 1, GFP_NOFS);
+		unlock_extent_cached(&BTRFS_I(inode)->io_tree,
+				     start_pos, last_pos - 1, &cached_state,
+				     GFP_NOFS);
 	}
 	for (i = 0; i < num_pages; i++) {
 		clear_page_dirty_for_io(pages[i]);
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index cb2849f03251..dd831ed31eea 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -870,7 +870,7 @@ __btrfs_return_cluster_to_free_space(
 		tree_insert_offset(&block_group->free_space_offset,
 				   entry->offset, &entry->offset_index, 0);
 	}
-	cluster->root.rb_node = NULL;
+	cluster->root = RB_ROOT;
 
 out:
 	spin_unlock(&cluster->lock);
@@ -1355,7 +1355,7 @@ void btrfs_init_free_cluster(struct btrfs_free_cluster *cluster)
 {
 	spin_lock_init(&cluster->lock);
 	spin_lock_init(&cluster->refill_lock);
-	cluster->root.rb_node = NULL;
+	cluster->root = RB_ROOT;
 	cluster->max_size = 0;
 	cluster->points_to_bitmap = false;
 	INIT_LIST_HEAD(&cluster->block_group_list);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 4deb280f8969..02bb099845fd 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -379,7 +379,8 @@ again:
 	 * change at any time if we discover bad compression ratios.
 	 */
 	if (!(BTRFS_I(inode)->flags & BTRFS_INODE_NOCOMPRESS) &&
-	    btrfs_test_opt(root, COMPRESS)) {
+	    (btrfs_test_opt(root, COMPRESS) ||
+	     (BTRFS_I(inode)->force_compress))) {
 		WARN_ON(pages);
 		pages = kzalloc(sizeof(struct page *) * nr_pages, GFP_NOFS);
 
@@ -483,8 +484,10 @@ again:
 		nr_pages_ret = 0;
 
 		/* flag the file so we don't compress in the future */
-		if (!btrfs_test_opt(root, FORCE_COMPRESS))
+		if (!btrfs_test_opt(root, FORCE_COMPRESS) &&
+		    !(BTRFS_I(inode)->force_compress)) {
 			BTRFS_I(inode)->flags |= BTRFS_INODE_NOCOMPRESS;
+		}
 	}
 	if (will_compress) {
 		*num_added += 1;
@@ -570,8 +573,8 @@ retry:
 			unsigned long nr_written = 0;
 
 			lock_extent(io_tree, async_extent->start,
-				    async_extent->start +
-				    async_extent->ram_size - 1, GFP_NOFS);
+					 async_extent->start +
+					 async_extent->ram_size - 1, GFP_NOFS);
 
 			/* allocate blocks */
 			ret = cow_file_range(inode, async_cow->locked_page,
@@ -1211,7 +1214,8 @@ static int run_delalloc_range(struct inode *inode, struct page *locked_page,
 	else if (BTRFS_I(inode)->flags & BTRFS_INODE_PREALLOC)
 		ret = run_delalloc_nocow(inode, locked_page, start, end,
 					 page_started, 0, nr_written);
-	else if (!btrfs_test_opt(root, COMPRESS))
+	else if (!btrfs_test_opt(root, COMPRESS) &&
+		 !(BTRFS_I(inode)->force_compress))
 		ret = cow_file_range(inode, locked_page, start, end,
 				      page_started, nr_written, 1);
 	else
@@ -1508,12 +1512,13 @@ static noinline int add_pending_csums(struct btrfs_trans_handle *trans,
 	return 0;
 }
 
-int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end)
+int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end,
+			      struct extent_state **cached_state)
 {
 	if ((end & (PAGE_CACHE_SIZE - 1)) == 0)
 		WARN_ON(1);
 	return set_extent_delalloc(&BTRFS_I(inode)->io_tree, start, end,
-				   GFP_NOFS);
+				   cached_state, GFP_NOFS);
 }
 
 /* see btrfs_writepage_start_hook for details on why this is required */
@@ -1526,6 +1531,7 @@ static void btrfs_writepage_fixup_worker(struct btrfs_work *work)
 {
 	struct btrfs_writepage_fixup *fixup;
 	struct btrfs_ordered_extent *ordered;
+	struct extent_state *cached_state = NULL;
 	struct page *page;
 	struct inode *inode;
 	u64 page_start;
@@ -1544,7 +1550,8 @@ again:
 	page_start = page_offset(page);
 	page_end = page_offset(page) + PAGE_CACHE_SIZE - 1;
 
-	lock_extent(&BTRFS_I(inode)->io_tree, page_start, page_end, GFP_NOFS);
+	lock_extent_bits(&BTRFS_I(inode)->io_tree, page_start, page_end, 0,
+			 &cached_state, GFP_NOFS);
 
 	/* already ordered? We're done */
 	if (PagePrivate2(page))
@@ -1552,17 +1559,18 @@ again:
 
 	ordered = btrfs_lookup_ordered_extent(inode, page_start);
 	if (ordered) {
-		unlock_extent(&BTRFS_I(inode)->io_tree, page_start,
-			      page_end, GFP_NOFS);
+		unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start,
+				     page_end, &cached_state, GFP_NOFS);
 		unlock_page(page);
 		btrfs_start_ordered_extent(inode, ordered, 1);
 		goto again;
 	}
 
-	btrfs_set_extent_delalloc(inode, page_start, page_end);
+	btrfs_set_extent_delalloc(inode, page_start, page_end, &cached_state);
 	ClearPageChecked(page);
 out:
-	unlock_extent(&BTRFS_I(inode)->io_tree, page_start, page_end, GFP_NOFS);
+	unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start, page_end,
+			     &cached_state, GFP_NOFS);
 out_page:
 	unlock_page(page);
 	page_cache_release(page);
@@ -1691,14 +1699,14 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
 	struct btrfs_trans_handle *trans;
 	struct btrfs_ordered_extent *ordered_extent = NULL;
 	struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
+	struct extent_state *cached_state = NULL;
 	int compressed = 0;
 	int ret;
 
-	ret = btrfs_dec_test_ordered_pending(inode, start, end - start + 1);
+	ret = btrfs_dec_test_ordered_pending(inode, &ordered_extent, start,
+					     end - start + 1);
 	if (!ret)
 		return 0;
-
-	ordered_extent = btrfs_lookup_ordered_extent(inode, start);
 	BUG_ON(!ordered_extent);
 
 	if (test_bit(BTRFS_ORDERED_NOCOW, &ordered_extent->flags)) {
@@ -1713,9 +1721,9 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
 		goto out;
 	}
 
-	lock_extent(io_tree, ordered_extent->file_offset,
-		    ordered_extent->file_offset + ordered_extent->len - 1,
-		    GFP_NOFS);
+	lock_extent_bits(io_tree, ordered_extent->file_offset,
+			 ordered_extent->file_offset + ordered_extent->len - 1,
+			 0, &cached_state, GFP_NOFS);
 
 	trans = btrfs_join_transaction(root, 1);
 
@@ -1742,9 +1750,10 @@ static int btrfs_finish_ordered_io(struct inode *inode, u64 start, u64 end)
 				   ordered_extent->len);
 		BUG_ON(ret);
 	}
-	unlock_extent(io_tree, ordered_extent->file_offset,
-		    ordered_extent->file_offset + ordered_extent->len - 1,
-		    GFP_NOFS);
+	unlock_extent_cached(io_tree, ordered_extent->file_offset,
+			     ordered_extent->file_offset +
+			     ordered_extent->len - 1, &cached_state, GFP_NOFS);
+
 	add_pending_csums(trans, inode, ordered_extent->file_offset,
 			  &ordered_extent->list);
 
@@ -2153,7 +2162,7 @@ void btrfs_orphan_cleanup(struct btrfs_root *root)
 		found_key.objectid = found_key.offset;
 		found_key.type = BTRFS_INODE_ITEM_KEY;
 		found_key.offset = 0;
-		inode = btrfs_iget(root->fs_info->sb, &found_key, root);
+		inode = btrfs_iget(root->fs_info->sb, &found_key, root, NULL);
 		if (IS_ERR(inode))
 			break;
 
@@ -3081,6 +3090,7 @@ static int btrfs_truncate_page(struct address_space *mapping, loff_t from)
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
 	struct btrfs_ordered_extent *ordered;
+	struct extent_state *cached_state = NULL;
 	char *kaddr;
 	u32 blocksize = root->sectorsize;
 	pgoff_t index = from >> PAGE_CACHE_SHIFT;
@@ -3127,12 +3137,14 @@ again:
 	}
 	wait_on_page_writeback(page);
 
-	lock_extent(io_tree, page_start, page_end, GFP_NOFS);
+	lock_extent_bits(io_tree, page_start, page_end, 0, &cached_state,
+			 GFP_NOFS);
 	set_page_extent_mapped(page);
 
 	ordered = btrfs_lookup_ordered_extent(inode, page_start);
 	if (ordered) {
-		unlock_extent(io_tree, page_start, page_end, GFP_NOFS);
+		unlock_extent_cached(io_tree, page_start, page_end,
+				     &cached_state, GFP_NOFS);
 		unlock_page(page);
 		page_cache_release(page);
 		btrfs_start_ordered_extent(inode, ordered, 1);
@@ -3140,13 +3152,15 @@ again:
 		goto again;
 	}
 
-	clear_extent_bits(&BTRFS_I(inode)->io_tree, page_start, page_end,
+	clear_extent_bit(&BTRFS_I(inode)->io_tree, page_start, page_end,
 			  EXTENT_DIRTY | EXTENT_DELALLOC | EXTENT_DO_ACCOUNTING,
-			  GFP_NOFS);
+			  0, 0, &cached_state, GFP_NOFS);
 
-	ret = btrfs_set_extent_delalloc(inode, page_start, page_end);
+	ret = btrfs_set_extent_delalloc(inode, page_start, page_end,
+					&cached_state);
 	if (ret) {
-		unlock_extent(io_tree, page_start, page_end, GFP_NOFS);
+		unlock_extent_cached(io_tree, page_start, page_end,
+				     &cached_state, GFP_NOFS);
 		goto out_unlock;
 	}
 
@@ -3159,7 +3173,8 @@ again:
 	}
 	ClearPageChecked(page);
 	set_page_dirty(page);
-	unlock_extent(io_tree, page_start, page_end, GFP_NOFS);
+	unlock_extent_cached(io_tree, page_start, page_end, &cached_state,
+			     GFP_NOFS);
 
 out_unlock:
 	if (ret)
@@ -3177,6 +3192,7 @@ int btrfs_cont_expand(struct inode *inode, loff_t size)
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
 	struct extent_map *em;
+	struct extent_state *cached_state = NULL;
 	u64 mask = root->sectorsize - 1;
 	u64 hole_start = (inode->i_size + mask) & ~mask;
 	u64 block_end = (size + mask) & ~mask;
@@ -3192,11 +3208,13 @@ int btrfs_cont_expand(struct inode *inode, loff_t size)
 		struct btrfs_ordered_extent *ordered;
 		btrfs_wait_ordered_range(inode, hole_start,
 					 block_end - hole_start);
-		lock_extent(io_tree, hole_start, block_end - 1, GFP_NOFS);
+		lock_extent_bits(io_tree, hole_start, block_end - 1, 0,
+				 &cached_state, GFP_NOFS);
 		ordered = btrfs_lookup_ordered_extent(inode, hole_start);
 		if (!ordered)
 			break;
-		unlock_extent(io_tree, hole_start, block_end - 1, GFP_NOFS);
+		unlock_extent_cached(io_tree, hole_start, block_end - 1,
+				     &cached_state, GFP_NOFS);
 		btrfs_put_ordered_extent(ordered);
 	}
 
@@ -3241,7 +3259,8 @@ int btrfs_cont_expand(struct inode *inode, loff_t size)
 			break;
 	}
 
-	unlock_extent(io_tree, hole_start, block_end - 1, GFP_NOFS);
+	unlock_extent_cached(io_tree, hole_start, block_end - 1, &cached_state,
+			     GFP_NOFS);
 	return err;
 }
 
@@ -3639,6 +3658,7 @@ static noinline void init_btrfs_i(struct inode *inode)
 	bi->index_cnt = (u64)-1;
 	bi->last_unlink_trans = 0;
 	bi->ordered_data_close = 0;
+	bi->force_compress = 0;
 	extent_map_tree_init(&BTRFS_I(inode)->extent_tree, GFP_NOFS);
 	extent_io_tree_init(&BTRFS_I(inode)->io_tree,
 			     inode->i_mapping, GFP_NOFS);
@@ -3687,7 +3707,7 @@ static struct inode *btrfs_iget_locked(struct super_block *s,
  * Returns in *is_new if the inode was read from disk
  */
 struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
-			 struct btrfs_root *root)
+			 struct btrfs_root *root, int *new)
 {
 	struct inode *inode;
 
@@ -3702,6 +3722,8 @@ struct inode *btrfs_iget(struct super_block *s, struct btrfs_key *location,
 
 		inode_tree_add(inode);
 		unlock_new_inode(inode);
+		if (new)
+			*new = 1;
 	}
 
 	return inode;
@@ -3754,7 +3776,7 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
 		return NULL;
 
 	if (location.type == BTRFS_INODE_ITEM_KEY) {
-		inode = btrfs_iget(dir->i_sb, &location, root);
+		inode = btrfs_iget(dir->i_sb, &location, root, NULL);
 		return inode;
 	}
 
@@ -3769,7 +3791,7 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry)
 		else
 			inode = new_simple_dir(dir->i_sb, &location, sub_root);
 	} else {
-		inode = btrfs_iget(dir->i_sb, &location, sub_root);
+		inode = btrfs_iget(dir->i_sb, &location, sub_root, NULL);
 	}
 	srcu_read_unlock(&root->fs_info->subvol_srcu, index);
 
@@ -3968,7 +3990,7 @@ err:
 	return ret;
 }
 
-int btrfs_write_inode(struct inode *inode, int wait)
+int btrfs_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct btrfs_trans_handle *trans;
@@ -3977,7 +3999,7 @@ int btrfs_write_inode(struct inode *inode, int wait)
 	if (root->fs_info->btree_inode == inode)
 		return 0;
 
-	if (wait) {
+	if (wbc->sync_mode == WB_SYNC_ALL) {
 		trans = btrfs_join_transaction(root, 1);
 		btrfs_set_trans_block_group(trans, inode);
 		ret = btrfs_commit_transaction(trans, root);
@@ -4501,7 +4523,7 @@ static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	err = btrfs_find_free_objectid(trans, root, dir->i_ino, &objectid);
 	if (err) {
 		err = -ENOSPC;
-		goto out_unlock;
+		goto out_fail;
 	}
 
 	inode = btrfs_new_inode(trans, root, dir, dentry->d_name.name,
@@ -4979,6 +5001,7 @@ static void btrfs_invalidatepage(struct page *page, unsigned long offset)
 {
 	struct extent_io_tree *tree;
 	struct btrfs_ordered_extent *ordered;
+	struct extent_state *cached_state = NULL;
 	u64 page_start = page_offset(page);
 	u64 page_end = page_start + PAGE_CACHE_SIZE - 1;
 
@@ -4997,7 +5020,8 @@ static void btrfs_invalidatepage(struct page *page, unsigned long offset)
 		btrfs_releasepage(page, GFP_NOFS);
 		return;
 	}
-	lock_extent(tree, page_start, page_end, GFP_NOFS);
+	lock_extent_bits(tree, page_start, page_end, 0, &cached_state,
+			 GFP_NOFS);
 	ordered = btrfs_lookup_ordered_extent(page->mapping->host,
 					   page_offset(page));
 	if (ordered) {
@@ -5008,7 +5032,7 @@ static void btrfs_invalidatepage(struct page *page, unsigned long offset)
 		clear_extent_bit(tree, page_start, page_end,
 				 EXTENT_DIRTY | EXTENT_DELALLOC |
 				 EXTENT_LOCKED | EXTENT_DO_ACCOUNTING, 1, 0,
-				 NULL, GFP_NOFS);
+				 &cached_state, GFP_NOFS);
 		/*
 		 * whoever cleared the private bit is responsible
 		 * for the finish_ordered_io
@@ -5018,11 +5042,13 @@ static void btrfs_invalidatepage(struct page *page, unsigned long offset)
 						page_start, page_end);
 		}
 		btrfs_put_ordered_extent(ordered);
-		lock_extent(tree, page_start, page_end, GFP_NOFS);
+		cached_state = NULL;
+		lock_extent_bits(tree, page_start, page_end, 0, &cached_state,
+				 GFP_NOFS);
 	}
 	clear_extent_bit(tree, page_start, page_end,
 		 EXTENT_LOCKED | EXTENT_DIRTY | EXTENT_DELALLOC |
-		 EXTENT_DO_ACCOUNTING, 1, 1, NULL, GFP_NOFS);
+		 EXTENT_DO_ACCOUNTING, 1, 1, &cached_state, GFP_NOFS);
 	__btrfs_releasepage(page, GFP_NOFS);
 
 	ClearPageChecked(page);
@@ -5055,6 +5081,7 @@ int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 	struct btrfs_root *root = BTRFS_I(inode)->root;
 	struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
 	struct btrfs_ordered_extent *ordered;
+	struct extent_state *cached_state = NULL;
 	char *kaddr;
 	unsigned long zero_start;
 	loff_t size;
@@ -5093,7 +5120,8 @@ again:
 	}
 	wait_on_page_writeback(page);
 
-	lock_extent(io_tree, page_start, page_end, GFP_NOFS);
+	lock_extent_bits(io_tree, page_start, page_end, 0, &cached_state,
+			 GFP_NOFS);
 	set_page_extent_mapped(page);
 
 	/*
@@ -5102,7 +5130,8 @@ again:
 	 */
 	ordered = btrfs_lookup_ordered_extent(inode, page_start);
 	if (ordered) {
-		unlock_extent(io_tree, page_start, page_end, GFP_NOFS);
+		unlock_extent_cached(io_tree, page_start, page_end,
+				     &cached_state, GFP_NOFS);
 		unlock_page(page);
 		btrfs_start_ordered_extent(inode, ordered, 1);
 		btrfs_put_ordered_extent(ordered);
@@ -5116,13 +5145,15 @@ again:
 	 * is probably a better way to do this, but for now keep consistent with
 	 * prepare_pages in the normal write path.
 	 */
-	clear_extent_bits(&BTRFS_I(inode)->io_tree, page_start, page_end,
+	clear_extent_bit(&BTRFS_I(inode)->io_tree, page_start, page_end,
 			  EXTENT_DIRTY | EXTENT_DELALLOC | EXTENT_DO_ACCOUNTING,
-			  GFP_NOFS);
+			  0, 0, &cached_state, GFP_NOFS);
 
-	ret = btrfs_set_extent_delalloc(inode, page_start, page_end);
+	ret = btrfs_set_extent_delalloc(inode, page_start, page_end,
+					&cached_state);
 	if (ret) {
-		unlock_extent(io_tree, page_start, page_end, GFP_NOFS);
+		unlock_extent_cached(io_tree, page_start, page_end,
+				     &cached_state, GFP_NOFS);
 		ret = VM_FAULT_SIGBUS;
 		btrfs_free_reserved_data_space(root, inode, PAGE_CACHE_SIZE);
 		goto out_unlock;
@@ -5148,7 +5179,7 @@ again:
 	BTRFS_I(inode)->last_trans = root->fs_info->generation;
 	BTRFS_I(inode)->last_sub_trans = BTRFS_I(inode)->root->log_transid;
 
-	unlock_extent(io_tree, page_start, page_end, GFP_NOFS);
+	unlock_extent_cached(io_tree, page_start, page_end, &cached_state, GFP_NOFS);
 
 out_unlock:
 	btrfs_unreserve_metadata_for_delalloc(root, inode, 1);
@@ -5827,6 +5858,7 @@ stop_trans:
 static long btrfs_fallocate(struct inode *inode, int mode,
 			    loff_t offset, loff_t len)
 {
+	struct extent_state *cached_state = NULL;
 	u64 cur_offset;
 	u64 last_byte;
 	u64 alloc_start;
@@ -5865,16 +5897,17 @@ static long btrfs_fallocate(struct inode *inode, int mode,
 		/* the extent lock is ordered inside the running
 		 * transaction
 		 */
-		lock_extent(&BTRFS_I(inode)->io_tree, alloc_start, locked_end,
-			    GFP_NOFS);
+		lock_extent_bits(&BTRFS_I(inode)->io_tree, alloc_start,
+				 locked_end, 0, &cached_state, GFP_NOFS);
 		ordered = btrfs_lookup_first_ordered_extent(inode,
 							    alloc_end - 1);
 		if (ordered &&
 		    ordered->file_offset + ordered->len > alloc_start &&
 		    ordered->file_offset < alloc_end) {
 			btrfs_put_ordered_extent(ordered);
-			unlock_extent(&BTRFS_I(inode)->io_tree,
-				      alloc_start, locked_end, GFP_NOFS);
+			unlock_extent_cached(&BTRFS_I(inode)->io_tree,
+					     alloc_start, locked_end,
+					     &cached_state, GFP_NOFS);
 			/*
 			 * we can't wait on the range with the transaction
 			 * running or with the extent lock held
@@ -5916,8 +5949,8 @@ static long btrfs_fallocate(struct inode *inode, int mode,
 			break;
 		}
 	}
-	unlock_extent(&BTRFS_I(inode)->io_tree, alloc_start, locked_end,
-		      GFP_NOFS);
+	unlock_extent_cached(&BTRFS_I(inode)->io_tree, alloc_start, locked_end,
+			     &cached_state, GFP_NOFS);
 
 	btrfs_free_reserved_data_space(BTRFS_I(inode)->root, inode,
 				       alloc_end - alloc_start);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 645a17927a8f..2845c6ceecd2 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -48,6 +48,7 @@
 #include "print-tree.h"
 #include "volumes.h"
 #include "locking.h"
+#include "ctree.h"
 
 /* Mask out flags that are inappropriate for the given type of inode. */
 static inline __u32 btrfs_mask_flags(umode_t mode, __u32 flags)
@@ -474,7 +475,79 @@ out_unlock:
 	return error;
 }
 
-static int btrfs_defrag_file(struct file *file)
+static int should_defrag_range(struct inode *inode, u64 start, u64 len,
+			       int thresh, u64 *last_len, u64 *skip,
+			       u64 *defrag_end)
+{
+	struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
+	struct extent_map *em = NULL;
+	struct extent_map_tree *em_tree = &BTRFS_I(inode)->extent_tree;
+	int ret = 1;
+
+
+	if (thresh == 0)
+		thresh = 256 * 1024;
+
+	/*
+	 * make sure that once we start defragging and extent, we keep on
+	 * defragging it
+	 */
+	if (start < *defrag_end)
+		return 1;
+
+	*skip = 0;
+
+	/*
+	 * hopefully we have this extent in the tree already, try without
+	 * the full extent lock
+	 */
+	read_lock(&em_tree->lock);
+	em = lookup_extent_mapping(em_tree, start, len);
+	read_unlock(&em_tree->lock);
+
+	if (!em) {
+		/* get the big lock and read metadata off disk */
+		lock_extent(io_tree, start, start + len - 1, GFP_NOFS);
+		em = btrfs_get_extent(inode, NULL, 0, start, len, 0);
+		unlock_extent(io_tree, start, start + len - 1, GFP_NOFS);
+
+		if (!em)
+			return 0;
+	}
+
+	/* this will cover holes, and inline extents */
+	if (em->block_start >= EXTENT_MAP_LAST_BYTE)
+		ret = 0;
+
+	/*
+	 * we hit a real extent, if it is big don't bother defragging it again
+	 */
+	if ((*last_len == 0 || *last_len >= thresh) && em->len >= thresh)
+		ret = 0;
+
+	/*
+	 * last_len ends up being a counter of how many bytes we've defragged.
+	 * every time we choose not to defrag an extent, we reset *last_len
+	 * so that the next tiny extent will force a defrag.
+	 *
+	 * The end result of this is that tiny extents before a single big
+	 * extent will force at least part of that big extent to be defragged.
+	 */
+	if (ret) {
+		*last_len += len;
+		*defrag_end = extent_map_end(em);
+	} else {
+		*last_len = 0;
+		*skip = extent_map_end(em);
+		*defrag_end = 0;
+	}
+
+	free_extent_map(em);
+	return ret;
+}
+
+static int btrfs_defrag_file(struct file *file,
+			     struct btrfs_ioctl_defrag_range_args *range)
 {
 	struct inode *inode = fdentry(file)->d_inode;
 	struct btrfs_root *root = BTRFS_I(inode)->root;
@@ -486,37 +559,96 @@ static int btrfs_defrag_file(struct file *file)
 	unsigned long total_read = 0;
 	u64 page_start;
 	u64 page_end;
+	u64 last_len = 0;
+	u64 skip = 0;
+	u64 defrag_end = 0;
 	unsigned long i;
 	int ret;
 
-	ret = btrfs_check_data_free_space(root, inode, inode->i_size);
-	if (ret)
-		return -ENOSPC;
+	if (inode->i_size == 0)
+		return 0;
+
+	if (range->start + range->len > range->start) {
+		last_index = min_t(u64, inode->i_size - 1,
+			 range->start + range->len - 1) >> PAGE_CACHE_SHIFT;
+	} else {
+		last_index = (inode->i_size - 1) >> PAGE_CACHE_SHIFT;
+	}
+
+	i = range->start >> PAGE_CACHE_SHIFT;
+	while (i <= last_index) {
+		if (!should_defrag_range(inode, (u64)i << PAGE_CACHE_SHIFT,
+					PAGE_CACHE_SIZE,
+					range->extent_thresh,
+					&last_len, &skip,
+					&defrag_end)) {
+			unsigned long next;
+			/*
+			 * the should_defrag function tells us how much to skip
+			 * bump our counter by the suggested amount
+			 */
+			next = (skip + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;
+			i = max(i + 1, next);
+			continue;
+		}
 
-	mutex_lock(&inode->i_mutex);
-	last_index = inode->i_size >> PAGE_CACHE_SHIFT;
-	for (i = 0; i <= last_index; i++) {
 		if (total_read % ra_pages == 0) {
 			btrfs_force_ra(inode->i_mapping, &file->f_ra, file, i,
 				       min(last_index, i + ra_pages - 1));
 		}
 		total_read++;
+		mutex_lock(&inode->i_mutex);
+		if (range->flags & BTRFS_DEFRAG_RANGE_COMPRESS)
+			BTRFS_I(inode)->force_compress = 1;
+
+		ret = btrfs_check_data_free_space(root, inode, PAGE_CACHE_SIZE);
+		if (ret) {
+			ret = -ENOSPC;
+			break;
+		}
+
+		ret = btrfs_reserve_metadata_for_delalloc(root, inode, 1);
+		if (ret) {
+			btrfs_free_reserved_data_space(root, inode,
+						       PAGE_CACHE_SIZE);
+			ret = -ENOSPC;
+			break;
+		}
 again:
+		if (inode->i_size == 0 ||
+		    i > ((inode->i_size - 1) >> PAGE_CACHE_SHIFT)) {
+			ret = 0;
+			goto err_reservations;
+		}
+
 		page = grab_cache_page(inode->i_mapping, i);
 		if (!page)
-			goto out_unlock;
+			goto err_reservations;
+
 		if (!PageUptodate(page)) {
 			btrfs_readpage(NULL, page);
 			lock_page(page);
 			if (!PageUptodate(page)) {
 				unlock_page(page);
 				page_cache_release(page);
-				goto out_unlock;
+				goto err_reservations;
 			}
 		}
 
+		if (page->mapping != inode->i_mapping) {
+			unlock_page(page);
+			page_cache_release(page);
+			goto again;
+		}
+
 		wait_on_page_writeback(page);
 
+		if (PageDirty(page)) {
+			btrfs_free_reserved_data_space(root, inode,
+						       PAGE_CACHE_SIZE);
+			goto loop_unlock;
+		}
+
 		page_start = (u64)page->index << PAGE_CACHE_SHIFT;
 		page_end = page_start + PAGE_CACHE_SIZE - 1;
 		lock_extent(io_tree, page_start, page_end, GFP_NOFS);
@@ -537,18 +669,54 @@ again:
 		 * page if it is dirtied again later
 		 */
 		clear_page_dirty_for_io(page);
+		clear_extent_bits(&BTRFS_I(inode)->io_tree, page_start,
+				  page_end, EXTENT_DIRTY | EXTENT_DELALLOC |
+				  EXTENT_DO_ACCOUNTING, GFP_NOFS);
 
-		btrfs_set_extent_delalloc(inode, page_start, page_end);
+		btrfs_set_extent_delalloc(inode, page_start, page_end, NULL);
+		ClearPageChecked(page);
 		set_page_dirty(page);
 		unlock_extent(io_tree, page_start, page_end, GFP_NOFS);
+
+loop_unlock:
 		unlock_page(page);
 		page_cache_release(page);
+		mutex_unlock(&inode->i_mutex);
+
+		btrfs_unreserve_metadata_for_delalloc(root, inode, 1);
 		balance_dirty_pages_ratelimited_nr(inode->i_mapping, 1);
+		i++;
+	}
+
+	if ((range->flags & BTRFS_DEFRAG_RANGE_START_IO))
+		filemap_flush(inode->i_mapping);
+
+	if ((range->flags & BTRFS_DEFRAG_RANGE_COMPRESS)) {
+		/* the filemap_flush will queue IO into the worker threads, but
+		 * we have to make sure the IO is actually started and that
+		 * ordered extents get created before we return
+		 */
+		atomic_inc(&root->fs_info->async_submit_draining);
+		while (atomic_read(&root->fs_info->nr_async_submits) ||
+		      atomic_read(&root->fs_info->async_delalloc_pages)) {
+			wait_event(root->fs_info->async_submit_wait,
+			   (atomic_read(&root->fs_info->nr_async_submits) == 0 &&
+			    atomic_read(&root->fs_info->async_delalloc_pages) == 0));
+		}
+		atomic_dec(&root->fs_info->async_submit_draining);
+
+		mutex_lock(&inode->i_mutex);
+		BTRFS_I(inode)->force_compress = 0;
+		mutex_unlock(&inode->i_mutex);
 	}
 
-out_unlock:
-	mutex_unlock(&inode->i_mutex);
 	return 0;
+
+err_reservations:
+	mutex_unlock(&inode->i_mutex);
+	btrfs_free_reserved_data_space(root, inode, PAGE_CACHE_SIZE);
+	btrfs_unreserve_metadata_for_delalloc(root, inode, 1);
+	return ret;
 }
 
 static noinline int btrfs_ioctl_resize(struct btrfs_root *root,
@@ -608,7 +776,7 @@ static noinline int btrfs_ioctl_resize(struct btrfs_root *root,
 			mod = 1;
 			sizestr++;
 		}
-		new_size = btrfs_parse_size(sizestr);
+		new_size = memparse(sizestr, NULL);
 		if (new_size == 0) {
 			ret = -EINVAL;
 			goto out_unlock;
@@ -743,6 +911,327 @@ out:
 	return ret;
 }
 
+static noinline int key_in_sk(struct btrfs_key *key,
+			      struct btrfs_ioctl_search_key *sk)
+{
+	struct btrfs_key test;
+	int ret;
+
+	test.objectid = sk->min_objectid;
+	test.type = sk->min_type;
+	test.offset = sk->min_offset;
+
+	ret = btrfs_comp_cpu_keys(key, &test);
+	if (ret < 0)
+		return 0;
+
+	test.objectid = sk->max_objectid;
+	test.type = sk->max_type;
+	test.offset = sk->max_offset;
+
+	ret = btrfs_comp_cpu_keys(key, &test);
+	if (ret > 0)
+		return 0;
+	return 1;
+}
+
+static noinline int copy_to_sk(struct btrfs_root *root,
+			       struct btrfs_path *path,
+			       struct btrfs_key *key,
+			       struct btrfs_ioctl_search_key *sk,
+			       char *buf,
+			       unsigned long *sk_offset,
+			       int *num_found)
+{
+	u64 found_transid;
+	struct extent_buffer *leaf;
+	struct btrfs_ioctl_search_header sh;
+	unsigned long item_off;
+	unsigned long item_len;
+	int nritems;
+	int i;
+	int slot;
+	int found = 0;
+	int ret = 0;
+
+	leaf = path->nodes[0];
+	slot = path->slots[0];
+	nritems = btrfs_header_nritems(leaf);
+
+	if (btrfs_header_generation(leaf) > sk->max_transid) {
+		i = nritems;
+		goto advance_key;
+	}
+	found_transid = btrfs_header_generation(leaf);
+
+	for (i = slot; i < nritems; i++) {
+		item_off = btrfs_item_ptr_offset(leaf, i);
+		item_len = btrfs_item_size_nr(leaf, i);
+
+		if (item_len > BTRFS_SEARCH_ARGS_BUFSIZE)
+			item_len = 0;
+
+		if (sizeof(sh) + item_len + *sk_offset >
+		    BTRFS_SEARCH_ARGS_BUFSIZE) {
+			ret = 1;
+			goto overflow;
+		}
+
+		btrfs_item_key_to_cpu(leaf, key, i);
+		if (!key_in_sk(key, sk))
+			continue;
+
+		sh.objectid = key->objectid;
+		sh.offset = key->offset;
+		sh.type = key->type;
+		sh.len = item_len;
+		sh.transid = found_transid;
+
+		/* copy search result header */
+		memcpy(buf + *sk_offset, &sh, sizeof(sh));
+		*sk_offset += sizeof(sh);
+
+		if (item_len) {
+			char *p = buf + *sk_offset;
+			/* copy the item */
+			read_extent_buffer(leaf, p,
+					   item_off, item_len);
+			*sk_offset += item_len;
+		}
+		found++;
+
+		if (*num_found >= sk->nr_items)
+			break;
+	}
+advance_key:
+	ret = 0;
+	if (key->offset < (u64)-1 && key->offset < sk->max_offset)
+		key->offset++;
+	else if (key->type < (u8)-1 && key->type < sk->max_type) {
+		key->offset = 0;
+		key->type++;
+	} else if (key->objectid < (u64)-1 && key->objectid < sk->max_objectid) {
+		key->offset = 0;
+		key->type = 0;
+		key->objectid++;
+	} else
+		ret = 1;
+overflow:
+	*num_found += found;
+	return ret;
+}
+
+static noinline int search_ioctl(struct inode *inode,
+				 struct btrfs_ioctl_search_args *args)
+{
+	struct btrfs_root *root;
+	struct btrfs_key key;
+	struct btrfs_key max_key;
+	struct btrfs_path *path;
+	struct btrfs_ioctl_search_key *sk = &args->key;
+	struct btrfs_fs_info *info = BTRFS_I(inode)->root->fs_info;
+	int ret;
+	int num_found = 0;
+	unsigned long sk_offset = 0;
+
+	path = btrfs_alloc_path();
+	if (!path)
+		return -ENOMEM;
+
+	if (sk->tree_id == 0) {
+		/* search the root of the inode that was passed */
+		root = BTRFS_I(inode)->root;
+	} else {
+		key.objectid = sk->tree_id;
+		key.type = BTRFS_ROOT_ITEM_KEY;
+		key.offset = (u64)-1;
+		root = btrfs_read_fs_root_no_name(info, &key);
+		if (IS_ERR(root)) {
+			printk(KERN_ERR "could not find root %llu\n",
+			       sk->tree_id);
+			btrfs_free_path(path);
+			return -ENOENT;
+		}
+	}
+
+	key.objectid = sk->min_objectid;
+	key.type = sk->min_type;
+	key.offset = sk->min_offset;
+
+	max_key.objectid = sk->max_objectid;
+	max_key.type = sk->max_type;
+	max_key.offset = sk->max_offset;
+
+	path->keep_locks = 1;
+
+	while(1) {
+		ret = btrfs_search_forward(root, &key, &max_key, path, 0,
+					   sk->min_transid);
+		if (ret != 0) {
+			if (ret > 0)
+				ret = 0;
+			goto err;
+		}
+		ret = copy_to_sk(root, path, &key, sk, args->buf,
+				 &sk_offset, &num_found);
+		btrfs_release_path(root, path);
+		if (ret || num_found >= sk->nr_items)
+			break;
+
+	}
+	ret = 0;
+err:
+	sk->nr_items = num_found;
+	btrfs_free_path(path);
+	return ret;
+}
+
+static noinline int btrfs_ioctl_tree_search(struct file *file,
+					   void __user *argp)
+{
+	 struct btrfs_ioctl_search_args *args;
+	 struct inode *inode;
+	 int ret;
+
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
+	args = kmalloc(sizeof(*args), GFP_KERNEL);
+	if (!args)
+		return -ENOMEM;
+
+	if (copy_from_user(args, argp, sizeof(*args))) {
+		kfree(args);
+		return -EFAULT;
+	}
+	inode = fdentry(file)->d_inode;
+	ret = search_ioctl(inode, args);
+	if (ret == 0 && copy_to_user(argp, args, sizeof(*args)))
+		ret = -EFAULT;
+	kfree(args);
+	return ret;
+}
+
+/*
+ * Search INODE_REFs to identify path name of 'dirid' directory
+ * in a 'tree_id' tree. and sets path name to 'name'.
+ */
+static noinline int btrfs_search_path_in_tree(struct btrfs_fs_info *info,
+				u64 tree_id, u64 dirid, char *name)
+{
+	struct btrfs_root *root;
+	struct btrfs_key key;
+	char *ptr;
+	int ret = -1;
+	int slot;
+	int len;
+	int total_len = 0;
+	struct btrfs_inode_ref *iref;
+	struct extent_buffer *l;
+	struct btrfs_path *path;
+
+	if (dirid == BTRFS_FIRST_FREE_OBJECTID) {
+		name[0]='\0';
+		return 0;
+	}
+
+	path = btrfs_alloc_path();
+	if (!path)
+		return -ENOMEM;
+
+	ptr = &name[BTRFS_INO_LOOKUP_PATH_MAX];
+
+	key.objectid = tree_id;
+	key.type = BTRFS_ROOT_ITEM_KEY;
+	key.offset = (u64)-1;
+	root = btrfs_read_fs_root_no_name(info, &key);
+	if (IS_ERR(root)) {
+		printk(KERN_ERR "could not find root %llu\n", tree_id);
+		ret = -ENOENT;
+		goto out;
+	}
+
+	key.objectid = dirid;
+	key.type = BTRFS_INODE_REF_KEY;
+	key.offset = (u64)-1;
+
+	while(1) {
+		ret = btrfs_search_slot(NULL, root, &key, path, 0, 0);
+		if (ret < 0)
+			goto out;
+
+		l = path->nodes[0];
+		slot = path->slots[0];
+		if (ret > 0 && slot > 0)
+			slot--;
+		btrfs_item_key_to_cpu(l, &key, slot);
+
+		if (ret > 0 && (key.objectid != dirid ||
+				key.type != BTRFS_INODE_REF_KEY)) {
+			ret = -ENOENT;
+			goto out;
+		}
+
+		iref = btrfs_item_ptr(l, slot, struct btrfs_inode_ref);
+		len = btrfs_inode_ref_name_len(l, iref);
+		ptr -= len + 1;
+		total_len += len + 1;
+		if (ptr < name)
+			goto out;
+
+		*(ptr + len) = '/';
+		read_extent_buffer(l, ptr,(unsigned long)(iref + 1), len);
+
+		if (key.offset == BTRFS_FIRST_FREE_OBJECTID)
+			break;
+
+		btrfs_release_path(root, path);
+		key.objectid = key.offset;
+		key.offset = (u64)-1;
+		dirid = key.objectid;
+
+	}
+	if (ptr < name)
+		goto out;
+	memcpy(name, ptr, total_len);
+	name[total_len]='\0';
+	ret = 0;
+out:
+	btrfs_free_path(path);
+	return ret;
+}
+
+static noinline int btrfs_ioctl_ino_lookup(struct file *file,
+					   void __user *argp)
+{
+	 struct btrfs_ioctl_ino_lookup_args *args;
+	 struct inode *inode;
+	 int ret;
+
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
+	args = kmalloc(sizeof(*args), GFP_KERNEL);
+	if (copy_from_user(args, argp, sizeof(*args))) {
+		kfree(args);
+		return -EFAULT;
+	}
+	inode = fdentry(file)->d_inode;
+
+	if (args->treeid == 0)
+		args->treeid = BTRFS_I(inode)->root->root_key.objectid;
+
+	ret = btrfs_search_path_in_tree(BTRFS_I(inode)->root->fs_info,
+					args->treeid, args->objectid,
+					args->name);
+
+	if (ret == 0 && copy_to_user(argp, args, sizeof(*args)))
+		ret = -EFAULT;
+
+	kfree(args);
+	return ret;
+}
+
 static noinline int btrfs_ioctl_snap_destroy(struct file *file,
 					     void __user *arg)
 {
@@ -849,10 +1338,11 @@ out:
 	return err;
 }
 
-static int btrfs_ioctl_defrag(struct file *file)
+static int btrfs_ioctl_defrag(struct file *file, void __user *argp)
 {
 	struct inode *inode = fdentry(file)->d_inode;
 	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct btrfs_ioctl_defrag_range_args *range;
 	int ret;
 
 	ret = mnt_want_write(file->f_path.mnt);
@@ -873,7 +1363,30 @@ static int btrfs_ioctl_defrag(struct file *file)
 			ret = -EINVAL;
 			goto out;
 		}
-		btrfs_defrag_file(file);
+
+		range = kzalloc(sizeof(*range), GFP_KERNEL);
+		if (!range) {
+			ret = -ENOMEM;
+			goto out;
+		}
+
+		if (argp) {
+			if (copy_from_user(range, argp,
+					   sizeof(*range))) {
+				ret = -EFAULT;
+				kfree(range);
+			}
+			/* compression requires us to start the IO */
+			if ((range->flags & BTRFS_DEFRAG_RANGE_COMPRESS)) {
+				range->flags |= BTRFS_DEFRAG_RANGE_START_IO;
+				range->extent_thresh = (u32)-1;
+			}
+		} else {
+			/* the rest are all set to zero by kzalloc */
+			range->len = (u64)-1;
+		}
+		btrfs_defrag_file(file, range);
+		kfree(range);
 		break;
 	}
 out:
@@ -1274,6 +1787,157 @@ out:
 	return ret;
 }
 
+static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp)
+{
+	struct inode *inode = fdentry(file)->d_inode;
+	struct btrfs_root *root = BTRFS_I(inode)->root;
+	struct btrfs_root *new_root;
+	struct btrfs_dir_item *di;
+	struct btrfs_trans_handle *trans;
+	struct btrfs_path *path;
+	struct btrfs_key location;
+	struct btrfs_disk_key disk_key;
+	struct btrfs_super_block *disk_super;
+	u64 features;
+	u64 objectid = 0;
+	u64 dir_id;
+
+	if (!capable(CAP_SYS_ADMIN))
+		return -EPERM;
+
+	if (copy_from_user(&objectid, argp, sizeof(objectid)))
+		return -EFAULT;
+
+	if (!objectid)
+		objectid = root->root_key.objectid;
+
+	location.objectid = objectid;
+	location.type = BTRFS_ROOT_ITEM_KEY;
+	location.offset = (u64)-1;
+
+	new_root = btrfs_read_fs_root_no_name(root->fs_info, &location);
+	if (IS_ERR(new_root))
+		return PTR_ERR(new_root);
+
+	if (btrfs_root_refs(&new_root->root_item) == 0)
+		return -ENOENT;
+
+	path = btrfs_alloc_path();
+	if (!path)
+		return -ENOMEM;
+	path->leave_spinning = 1;
+
+	trans = btrfs_start_transaction(root, 1);
+	if (!trans) {
+		btrfs_free_path(path);
+		return -ENOMEM;
+	}
+
+	dir_id = btrfs_super_root_dir(&root->fs_info->super_copy);
+	di = btrfs_lookup_dir_item(trans, root->fs_info->tree_root, path,
+				   dir_id, "default", 7, 1);
+	if (!di) {
+		btrfs_free_path(path);
+		btrfs_end_transaction(trans, root);
+		printk(KERN_ERR "Umm, you don't have the default dir item, "
+		       "this isn't going to work\n");
+		return -ENOENT;
+	}
+
+	btrfs_cpu_key_to_disk(&disk_key, &new_root->root_key);
+	btrfs_set_dir_item_key(path->nodes[0], di, &disk_key);
+	btrfs_mark_buffer_dirty(path->nodes[0]);
+	btrfs_free_path(path);
+
+	disk_super = &root->fs_info->super_copy;
+	features = btrfs_super_incompat_flags(disk_super);
+	if (!(features & BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL)) {
+		features |= BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL;
+		btrfs_set_super_incompat_flags(disk_super, features);
+	}
+	btrfs_end_transaction(trans, root);
+
+	return 0;
+}
+
+long btrfs_ioctl_space_info(struct btrfs_root *root, void __user *arg)
+{
+	struct btrfs_ioctl_space_args space_args;
+	struct btrfs_ioctl_space_info space;
+	struct btrfs_ioctl_space_info *dest;
+	struct btrfs_ioctl_space_info *dest_orig;
+	struct btrfs_ioctl_space_info *user_dest;
+	struct btrfs_space_info *info;
+	int alloc_size;
+	int ret = 0;
+	int slot_count = 0;
+
+	if (copy_from_user(&space_args,
+			   (struct btrfs_ioctl_space_args __user *)arg,
+			   sizeof(space_args)))
+		return -EFAULT;
+
+	/* first we count slots */
+	rcu_read_lock();
+	list_for_each_entry_rcu(info, &root->fs_info->space_info, list)
+		slot_count++;
+	rcu_read_unlock();
+
+	/* space_slots == 0 means they are asking for a count */
+	if (space_args.space_slots == 0) {
+		space_args.total_spaces = slot_count;
+		goto out;
+	}
+	alloc_size = sizeof(*dest) * slot_count;
+	/* we generally have at most 6 or so space infos, one for each raid
+	 * level.  So, a whole page should be more than enough for everyone
+	 */
+	if (alloc_size > PAGE_CACHE_SIZE)
+		return -ENOMEM;
+
+	space_args.total_spaces = 0;
+	dest = kmalloc(alloc_size, GFP_NOFS);
+	if (!dest)
+		return -ENOMEM;
+	dest_orig = dest;
+
+	/* now we have a buffer to copy into */
+	rcu_read_lock();
+	list_for_each_entry_rcu(info, &root->fs_info->space_info, list) {
+		/* make sure we don't copy more than we allocated
+		 * in our buffer
+		 */
+		if (slot_count == 0)
+			break;
+		slot_count--;
+
+		/* make sure userland has enough room in their buffer */
+		if (space_args.total_spaces >= space_args.space_slots)
+			break;
+
+		space.flags = info->flags;
+		space.total_bytes = info->total_bytes;
+		space.used_bytes = info->bytes_used;
+		memcpy(dest, &space, sizeof(space));
+		dest++;
+		space_args.total_spaces++;
+	}
+	rcu_read_unlock();
+
+	user_dest = (struct btrfs_ioctl_space_info *)
+		(arg + sizeof(struct btrfs_ioctl_space_args));
+
+	if (copy_to_user(user_dest, dest_orig, alloc_size))
+		ret = -EFAULT;
+
+	kfree(dest_orig);
+out:
+	if (ret == 0 && copy_to_user(arg, &space_args, sizeof(space_args)))
+		ret = -EFAULT;
+
+	return ret;
+}
+
 /*
  * there are many ways the trans_start and trans_end ioctls can lead
  * to deadlocks.  They should only be used by applications that
@@ -1320,8 +1984,12 @@ long btrfs_ioctl(struct file *file, unsigned int
 		return btrfs_ioctl_snap_create(file, argp, 1);
 	case BTRFS_IOC_SNAP_DESTROY:
 		return btrfs_ioctl_snap_destroy(file, argp);
+	case BTRFS_IOC_DEFAULT_SUBVOL:
+		return btrfs_ioctl_default_subvol(file, argp);
 	case BTRFS_IOC_DEFRAG:
-		return btrfs_ioctl_defrag(file);
+		return btrfs_ioctl_defrag(file, NULL);
+	case BTRFS_IOC_DEFRAG_RANGE:
+		return btrfs_ioctl_defrag(file, argp);
 	case BTRFS_IOC_RESIZE:
 		return btrfs_ioctl_resize(root, argp);
 	case BTRFS_IOC_ADD_DEV:
@@ -1338,6 +2006,12 @@ long btrfs_ioctl(struct file *file, unsigned int
 		return btrfs_ioctl_trans_start(file);
 	case BTRFS_IOC_TRANS_END:
 		return btrfs_ioctl_trans_end(file);
+	case BTRFS_IOC_TREE_SEARCH:
+		return btrfs_ioctl_tree_search(file, argp);
+	case BTRFS_IOC_INO_LOOKUP:
+		return btrfs_ioctl_ino_lookup(file, argp);
+	case BTRFS_IOC_SPACE_INFO:
+		return btrfs_ioctl_space_info(root, argp);
 	case BTRFS_IOC_SYNC:
 		btrfs_sync_fs(file->f_dentry->d_sb, 1);
 		return 0;
diff --git a/fs/btrfs/ioctl.h b/fs/btrfs/ioctl.h
index bc49914475eb..424694aa517f 100644
--- a/fs/btrfs/ioctl.h
+++ b/fs/btrfs/ioctl.h
@@ -30,12 +30,114 @@ struct btrfs_ioctl_vol_args {
 	char name[BTRFS_PATH_NAME_MAX + 1];
 };
 
+#define BTRFS_INO_LOOKUP_PATH_MAX 4080
+struct btrfs_ioctl_ino_lookup_args {
+	__u64 treeid;
+	__u64 objectid;
+	char name[BTRFS_INO_LOOKUP_PATH_MAX];
+};
+
+struct btrfs_ioctl_search_key {
+	/* which root are we searching.  0 is the tree of tree roots */
+	__u64 tree_id;
+
+	/* keys returned will be >= min and <= max */
+	__u64 min_objectid;
+	__u64 max_objectid;
+
+	/* keys returned will be >= min and <= max */
+	__u64 min_offset;
+	__u64 max_offset;
+
+	/* max and min transids to search for */
+	__u64 min_transid;
+	__u64 max_transid;
+
+	/* keys returned will be >= min and <= max */
+	__u32 min_type;
+	__u32 max_type;
+
+	/*
+	 * how many items did userland ask for, and how many are we
+	 * returning
+	 */
+	__u32 nr_items;
+
+	/* align to 64 bits */
+	__u32 unused;
+
+	/* some extra for later */
+	__u64 unused1;
+	__u64 unused2;
+	__u64 unused3;
+	__u64 unused4;
+};
+
+struct btrfs_ioctl_search_header {
+	__u64 transid;
+	__u64 objectid;
+	__u64 offset;
+	__u32 type;
+	__u32 len;
+};
+
+#define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
+/*
+ * the buf is an array of search headers where
+ * each header is followed by the actual item
+ * the type field is expanded to 32 bits for alignment
+ */
+struct btrfs_ioctl_search_args {
+	struct btrfs_ioctl_search_key key;
+	char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
+};
+
 struct btrfs_ioctl_clone_range_args {
   __s64 src_fd;
   __u64 src_offset, src_length;
   __u64 dest_offset;
 };
 
+/* flags for the defrag range ioctl */
+#define BTRFS_DEFRAG_RANGE_COMPRESS 1
+#define BTRFS_DEFRAG_RANGE_START_IO 2
+
+struct btrfs_ioctl_defrag_range_args {
+	/* start of the defrag operation */
+	__u64 start;
+
+	/* number of bytes to defrag, use (u64)-1 to say all */
+	__u64 len;
+
+	/*
+	 * flags for the operation, which can include turning
+	 * on compression for this one defrag
+	 */
+	__u64 flags;
+
+	/*
+	 * any extent bigger than this will be considered
+	 * already defragged.  Use 0 to take the kernel default
+	 * Use 1 to say every single extent must be rewritten
+	 */
+	__u32 extent_thresh;
+
+	/* spare for later */
+	__u32 unused[5];
+};
+
+struct btrfs_ioctl_space_info {
+	__u64 flags;
+	__u64 total_bytes;
+	__u64 used_bytes;
+};
+
+struct btrfs_ioctl_space_args {
+	__u64 space_slots;
+	__u64 total_spaces;
+	struct btrfs_ioctl_space_info spaces[0];
+};
+
 #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \
 				   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_DEFRAG _IOW(BTRFS_IOCTL_MAGIC, 2, \
@@ -67,4 +169,13 @@ struct btrfs_ioctl_clone_range_args {
 				   struct btrfs_ioctl_vol_args)
 #define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
 				struct btrfs_ioctl_vol_args)
+#define BTRFS_IOC_DEFRAG_RANGE _IOW(BTRFS_IOCTL_MAGIC, 16, \
+				struct btrfs_ioctl_defrag_range_args)
+#define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
+				   struct btrfs_ioctl_search_args)
+#define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
+				   struct btrfs_ioctl_ino_lookup_args)
+#define BTRFS_IOC_DEFAULT_SUBVOL _IOW(BTRFS_IOCTL_MAGIC, 19, u64)
+#define BTRFS_IOC_SPACE_INFO _IOWR(BTRFS_IOCTL_MAGIC, 20, \
+				    struct btrfs_ioctl_space_args)
 #endif
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 5c2a9e78a949..a8ffecd0b491 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c
@@ -174,7 +174,6 @@ int btrfs_add_ordered_extent(struct inode *inode, u64 file_offset,
 	if (!entry)
 		return -ENOMEM;
 
-	mutex_lock(&tree->mutex);
 	entry->file_offset = file_offset;
 	entry->start = start;
 	entry->len = len;
@@ -190,16 +189,17 @@ int btrfs_add_ordered_extent(struct inode *inode, u64 file_offset,
 	INIT_LIST_HEAD(&entry->list);
 	INIT_LIST_HEAD(&entry->root_extent_list);
 
+	spin_lock(&tree->lock);
 	node = tree_insert(&tree->tree, file_offset,
 			   &entry->rb_node);
 	BUG_ON(node);
+	spin_unlock(&tree->lock);
 
 	spin_lock(&BTRFS_I(inode)->root->fs_info->ordered_extent_lock);
 	list_add_tail(&entry->root_extent_list,
 		      &BTRFS_I(inode)->root->fs_info->ordered_extents);
 	spin_unlock(&BTRFS_I(inode)->root->fs_info->ordered_extent_lock);
 
-	mutex_unlock(&tree->mutex);
 	BUG_ON(node);
 	return 0;
 }
@@ -216,9 +216,9 @@ int btrfs_add_ordered_sum(struct inode *inode,
 	struct btrfs_ordered_inode_tree *tree;
 
 	tree = &BTRFS_I(inode)->ordered_tree;
-	mutex_lock(&tree->mutex);
+	spin_lock(&tree->lock);
 	list_add_tail(&sum->list, &entry->list);
-	mutex_unlock(&tree->mutex);
+	spin_unlock(&tree->lock);
 	return 0;
 }
 
@@ -232,15 +232,16 @@ int btrfs_add_ordered_sum(struct inode *inode,
  * to make sure this function only returns 1 once for a given ordered extent.
  */
 int btrfs_dec_test_ordered_pending(struct inode *inode,
+				   struct btrfs_ordered_extent **cached,
 				   u64 file_offset, u64 io_size)
 {
 	struct btrfs_ordered_inode_tree *tree;
 	struct rb_node *node;
-	struct btrfs_ordered_extent *entry;
+	struct btrfs_ordered_extent *entry = NULL;
 	int ret;
 
 	tree = &BTRFS_I(inode)->ordered_tree;
-	mutex_lock(&tree->mutex);
+	spin_lock(&tree->lock);
 	node = tree_search(tree, file_offset);
 	if (!node) {
 		ret = 1;
@@ -264,7 +265,11 @@ int btrfs_dec_test_ordered_pending(struct inode *inode,
 	else
 		ret = 1;
 out:
-	mutex_unlock(&tree->mutex);
+	if (!ret && cached && entry) {
+		*cached = entry;
+		atomic_inc(&entry->refs);
+	}
+	spin_unlock(&tree->lock);
 	return ret == 0;
 }
 
@@ -291,7 +296,7 @@ int btrfs_put_ordered_extent(struct btrfs_ordered_extent *entry)
 
 /*
  * remove an ordered extent from the tree.  No references are dropped
- * and you must wake_up entry->wait.  You must hold the tree mutex
+ * and you must wake_up entry->wait.  You must hold the tree lock
  * while you call this function.
  */
 static int __btrfs_remove_ordered_extent(struct inode *inode,
@@ -340,9 +345,9 @@ int btrfs_remove_ordered_extent(struct inode *inode,
 	int ret;
 
 	tree = &BTRFS_I(inode)->ordered_tree;
-	mutex_lock(&tree->mutex);
+	spin_lock(&tree->lock);
 	ret = __btrfs_remove_ordered_extent(inode, entry);
-	mutex_unlock(&tree->mutex);
+	spin_unlock(&tree->lock);
 	wake_up(&entry->wait);
 
 	return ret;
@@ -567,7 +572,7 @@ struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct inode *inode,
 	struct btrfs_ordered_extent *entry = NULL;
 
 	tree = &BTRFS_I(inode)->ordered_tree;
-	mutex_lock(&tree->mutex);
+	spin_lock(&tree->lock);
 	node = tree_search(tree, file_offset);
 	if (!node)
 		goto out;
@@ -578,7 +583,7 @@ struct btrfs_ordered_extent *btrfs_lookup_ordered_extent(struct inode *inode,
 	if (entry)
 		atomic_inc(&entry->refs);
 out:
-	mutex_unlock(&tree->mutex);
+	spin_unlock(&tree->lock);
 	return entry;
 }
 
@@ -594,7 +599,7 @@ btrfs_lookup_first_ordered_extent(struct inode *inode, u64 file_offset)
 	struct btrfs_ordered_extent *entry = NULL;
 
 	tree = &BTRFS_I(inode)->ordered_tree;
-	mutex_lock(&tree->mutex);
+	spin_lock(&tree->lock);
 	node = tree_search(tree, file_offset);
 	if (!node)
 		goto out;
@@ -602,7 +607,7 @@ btrfs_lookup_first_ordered_extent(struct inode *inode, u64 file_offset)
 	entry = rb_entry(node, struct btrfs_ordered_extent, rb_node);
 	atomic_inc(&entry->refs);
 out:
-	mutex_unlock(&tree->mutex);
+	spin_unlock(&tree->lock);
 	return entry;
 }
 
@@ -629,7 +634,7 @@ int btrfs_ordered_update_i_size(struct inode *inode, u64 offset,
 	else
 		offset = ALIGN(offset, BTRFS_I(inode)->root->sectorsize);
 
-	mutex_lock(&tree->mutex);
+	spin_lock(&tree->lock);
 	disk_i_size = BTRFS_I(inode)->disk_i_size;
 
 	/* truncate file */
@@ -735,7 +740,7 @@ out:
 	 */
 	if (ordered)
 		__btrfs_remove_ordered_extent(inode, ordered);
-	mutex_unlock(&tree->mutex);
+	spin_unlock(&tree->lock);
 	if (ordered)
 		wake_up(&ordered->wait);
 	return ret;
@@ -762,7 +767,7 @@ int btrfs_find_ordered_sum(struct inode *inode, u64 offset, u64 disk_bytenr,
 	if (!ordered)
 		return 1;
 
-	mutex_lock(&tree->mutex);
+	spin_lock(&tree->lock);
 	list_for_each_entry_reverse(ordered_sum, &ordered->list, list) {
 		if (disk_bytenr >= ordered_sum->bytenr) {
 			num_sectors = ordered_sum->len / sectorsize;
@@ -777,7 +782,7 @@ int btrfs_find_ordered_sum(struct inode *inode, u64 offset, u64 disk_bytenr,
 		}
 	}
 out:
-	mutex_unlock(&tree->mutex);
+	spin_unlock(&tree->lock);
 	btrfs_put_ordered_extent(ordered);
 	return ret;
 }
diff --git a/fs/btrfs/ordered-data.h b/fs/btrfs/ordered-data.h
index 1fe1282ef47c..c82f76a9f040 100644
--- a/fs/btrfs/ordered-data.h
+++ b/fs/btrfs/ordered-data.h
@@ -21,7 +21,7 @@
 
 /* one of these per inode */
 struct btrfs_ordered_inode_tree {
-	struct mutex mutex;
+	spinlock_t lock;
 	struct rb_root tree;
 	struct rb_node *last;
 };
@@ -128,8 +128,8 @@ static inline int btrfs_ordered_sum_size(struct btrfs_root *root,
 static inline void
 btrfs_ordered_inode_tree_init(struct btrfs_ordered_inode_tree *t)
 {
-	mutex_init(&t->mutex);
-	t->tree.rb_node = NULL;
+	spin_lock_init(&t->lock);
+	t->tree = RB_ROOT;
 	t->last = NULL;
 }
 
@@ -137,7 +137,8 @@ int btrfs_put_ordered_extent(struct btrfs_ordered_extent *entry);
 int btrfs_remove_ordered_extent(struct inode *inode,
 				struct btrfs_ordered_extent *entry);
 int btrfs_dec_test_ordered_pending(struct inode *inode,
-				       u64 file_offset, u64 io_size);
+				   struct btrfs_ordered_extent **cached,
+				   u64 file_offset, u64 io_size);
 int btrfs_add_ordered_extent(struct inode *inode, u64 file_offset,
 			     u64 start, u64 len, u64 disk_len, int tyep);
 int btrfs_add_ordered_sum(struct inode *inode,
diff --git a/fs/btrfs/ref-cache.h b/fs/btrfs/ref-cache.h
index bc283ad2db73..e2a55cb2072b 100644
--- a/fs/btrfs/ref-cache.h
+++ b/fs/btrfs/ref-cache.h
@@ -52,7 +52,7 @@ static inline size_t btrfs_leaf_ref_size(int nr_extents)
 
 static inline void btrfs_leaf_ref_tree_init(struct btrfs_leaf_ref_tree *tree)
 {
-	tree->root.rb_node = NULL;
+	tree->root = RB_ROOT;
 	INIT_LIST_HEAD(&tree->list);
 	spin_lock_init(&tree->lock);
 }
diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index ab7ab5318745..0b23942cbc0d 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -170,14 +170,14 @@ struct async_merge {
 
 static void mapping_tree_init(struct mapping_tree *tree)
 {
-	tree->rb_root.rb_node = NULL;
+	tree->rb_root = RB_ROOT;
 	spin_lock_init(&tree->lock);
 }
 
 static void backref_cache_init(struct backref_cache *cache)
 {
 	int i;
-	cache->rb_root.rb_node = NULL;
+	cache->rb_root = RB_ROOT;
 	for (i = 0; i < BTRFS_MAX_LEVEL; i++)
 		INIT_LIST_HEAD(&cache->pending[i]);
 	spin_lock_init(&cache->lock);
@@ -2659,7 +2659,7 @@ static int relocate_file_extent_cluster(struct inode *inode,
 					EXTENT_BOUNDARY, GFP_NOFS);
 			nr++;
 		}
-		btrfs_set_extent_delalloc(inode, page_start, page_end);
+		btrfs_set_extent_delalloc(inode, page_start, page_end, NULL);
 
 		set_page_dirty(page);
 		dirty_page++;
@@ -3487,7 +3487,7 @@ static struct inode *create_reloc_inode(struct btrfs_fs_info *fs_info,
 	key.objectid = objectid;
 	key.type = BTRFS_INODE_ITEM_KEY;
 	key.offset = 0;
-	inode = btrfs_iget(root->fs_info->sb, &key, root);
+	inode = btrfs_iget(root->fs_info->sb, &key, root, NULL);
 	BUG_ON(IS_ERR(inode) || is_bad_inode(inode));
 	BTRFS_I(inode)->index_cnt = group->key.objectid;
 
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 8a1ea6e64575..9ac612e6ca60 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -63,10 +63,10 @@ static void btrfs_put_super(struct super_block *sb)
 }
 
 enum {
-	Opt_degraded, Opt_subvol, Opt_device, Opt_nodatasum, Opt_nodatacow,
-	Opt_max_extent, Opt_max_inline, Opt_alloc_start, Opt_nobarrier,
-	Opt_ssd, Opt_nossd, Opt_ssd_spread, Opt_thread_pool, Opt_noacl,
-	Opt_compress, Opt_compress_force, Opt_notreelog, Opt_ratio,
+	Opt_degraded, Opt_subvol, Opt_subvolid, Opt_device, Opt_nodatasum,
+	Opt_nodatacow, Opt_max_extent, Opt_max_inline, Opt_alloc_start,
+	Opt_nobarrier, Opt_ssd, Opt_nossd, Opt_ssd_spread, Opt_thread_pool,
+	Opt_noacl, Opt_compress, Opt_compress_force, Opt_notreelog, Opt_ratio,
 	Opt_flushoncommit,
 	Opt_discard, Opt_err,
 };
@@ -74,6 +74,7 @@ enum {
 static match_table_t tokens = {
 	{Opt_degraded, "degraded"},
 	{Opt_subvol, "subvol=%s"},
+	{Opt_subvolid, "subvolid=%d"},
 	{Opt_device, "device=%s"},
 	{Opt_nodatasum, "nodatasum"},
 	{Opt_nodatacow, "nodatacow"},
@@ -95,31 +96,6 @@ static match_table_t tokens = {
 	{Opt_err, NULL},
 };
 
-u64 btrfs_parse_size(char *str)
-{
-	u64 res;
-	int mult = 1;
-	char *end;
-	char last;
-
-	res = simple_strtoul(str, &end, 10);
-
-	last = end[0];
-	if (isalpha(last)) {
-		last = tolower(last);
-		switch (last) {
-		case 'g':
-			mult *= 1024;
-		case 'm':
-			mult *= 1024;
-		case 'k':
-			mult *= 1024;
-		}
-		res = res * mult;
-	}
-	return res;
-}
-
 /*
  * Regular mount options parser.  Everything that is needed only when
  * reading in a new superblock is parsed here.
@@ -128,7 +104,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
 {
 	struct btrfs_fs_info *info = root->fs_info;
 	substring_t args[MAX_OPT_ARGS];
-	char *p, *num;
+	char *p, *num, *orig;
 	int intarg;
 	int ret = 0;
 
@@ -143,6 +119,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
 	if (!options)
 		return -ENOMEM;
 
+	orig = options;
 
 	while ((p = strsep(&options, ",")) != NULL) {
 		int token;
@@ -156,6 +133,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
 			btrfs_set_opt(info->mount_opt, DEGRADED);
 			break;
 		case Opt_subvol:
+		case Opt_subvolid:
 		case Opt_device:
 			/*
 			 * These are parsed by btrfs_parse_early_options
@@ -213,7 +191,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
 		case Opt_max_extent:
 			num = match_strdup(&args[0]);
 			if (num) {
-				info->max_extent = btrfs_parse_size(num);
+				info->max_extent = memparse(num, NULL);
 				kfree(num);
 
 				info->max_extent = max_t(u64,
@@ -225,7 +203,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
 		case Opt_max_inline:
 			num = match_strdup(&args[0]);
 			if (num) {
-				info->max_inline = btrfs_parse_size(num);
+				info->max_inline = memparse(num, NULL);
 				kfree(num);
 
 				if (info->max_inline) {
@@ -240,7 +218,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
 		case Opt_alloc_start:
 			num = match_strdup(&args[0]);
 			if (num) {
-				info->alloc_start = btrfs_parse_size(num);
+				info->alloc_start = memparse(num, NULL);
 				kfree(num);
 				printk(KERN_INFO
 					"btrfs: allocations start at %llu\n",
@@ -280,7 +258,7 @@ int btrfs_parse_options(struct btrfs_root *root, char *options)
 		}
 	}
 out:
-	kfree(options);
+	kfree(orig);
 	return ret;
 }
 
@@ -291,12 +269,13 @@ out:
  * only when we need to allocate a new super block.
  */
 static int btrfs_parse_early_options(const char *options, fmode_t flags,
-		void *holder, char **subvol_name,
+		void *holder, char **subvol_name, u64 *subvol_objectid,
 		struct btrfs_fs_devices **fs_devices)
 {
 	substring_t args[MAX_OPT_ARGS];
 	char *opts, *p;
 	int error = 0;
+	int intarg;
 
 	if (!options)
 		goto out;
@@ -319,6 +298,18 @@ static int btrfs_parse_early_options(const char *options, fmode_t flags,
 		case Opt_subvol:
 			*subvol_name = match_strdup(&args[0]);
 			break;
+		case Opt_subvolid:
+			intarg = 0;
+			error = match_int(&args[0], &intarg);
+			if (!error) {
+				/* we want the original fs_tree */
+				if (!intarg)
+					*subvol_objectid =
+						BTRFS_FS_TREE_OBJECTID;
+				else
+					*subvol_objectid = intarg;
+			}
+			break;
 		case Opt_device:
 			error = btrfs_scan_one_device(match_strdup(&args[0]),
 					flags, holder, fs_devices);
@@ -346,6 +337,110 @@ static int btrfs_parse_early_options(const char *options, fmode_t flags,
 	return error;
 }
 
+static struct dentry *get_default_root(struct super_block *sb,
+				       u64 subvol_objectid)
+{
+	struct btrfs_root *root = sb->s_fs_info;
+	struct btrfs_root *new_root;
+	struct btrfs_dir_item *di;
+	struct btrfs_path *path;
+	struct btrfs_key location;
+	struct inode *inode;
+	struct dentry *dentry;
+	u64 dir_id;
+	int new = 0;
+
+	/*
+	 * We have a specific subvol we want to mount, just setup location and
+	 * go look up the root.
+	 */
+	if (subvol_objectid) {
+		location.objectid = subvol_objectid;
+		location.type = BTRFS_ROOT_ITEM_KEY;
+		location.offset = (u64)-1;
+		goto find_root;
+	}
+
+	path = btrfs_alloc_path();
+	if (!path)
+		return ERR_PTR(-ENOMEM);
+	path->leave_spinning = 1;
+
+	/*
+	 * Find the "default" dir item which points to the root item that we
+	 * will mount by default if we haven't been given a specific subvolume
+	 * to mount.
+	 */
+	dir_id = btrfs_super_root_dir(&root->fs_info->super_copy);
+	di = btrfs_lookup_dir_item(NULL, root, path, dir_id, "default", 7, 0);
+	if (!di) {
+		/*
+		 * Ok the default dir item isn't there.  This is weird since
+		 * it's always been there, but don't freak out, just try and
+		 * mount to root most subvolume.
+		 */
+		btrfs_free_path(path);
+		dir_id = BTRFS_FIRST_FREE_OBJECTID;
+		new_root = root->fs_info->fs_root;
+		goto setup_root;
+	}
+
+	btrfs_dir_item_key_to_cpu(path->nodes[0], di, &location);
+	btrfs_free_path(path);
+
+find_root:
+	new_root = btrfs_read_fs_root_no_name(root->fs_info, &location);
+	if (IS_ERR(new_root))
+		return ERR_PTR(PTR_ERR(new_root));
+
+	if (btrfs_root_refs(&new_root->root_item) == 0)
+		return ERR_PTR(-ENOENT);
+
+	dir_id = btrfs_root_dirid(&new_root->root_item);
+setup_root:
+	location.objectid = dir_id;
+	location.type = BTRFS_INODE_ITEM_KEY;
+	location.offset = 0;
+
+	inode = btrfs_iget(sb, &location, new_root, &new);
+	if (!inode)
+		return ERR_PTR(-ENOMEM);
+
+	/*
+	 * If we're just mounting the root most subvol put the inode and return
+	 * a reference to the dentry.  We will have already gotten a reference
+	 * to the inode in btrfs_fill_super so we're good to go.
+	 */
+	if (!new && sb->s_root->d_inode == inode) {
+		iput(inode);
+		return dget(sb->s_root);
+	}
+
+	if (new) {
+		const struct qstr name = { .name = "/", .len = 1 };
+
+		/*
+		 * New inode, we need to make the dentry a sibling of s_root so
+		 * everything gets cleaned up properly on unmount.
+		 */
+		dentry = d_alloc(sb->s_root, &name);
+		if (!dentry) {
+			iput(inode);
+			return ERR_PTR(-ENOMEM);
+		}
+		d_splice_alias(inode, dentry);
+	} else {
+		/*
+		 * We found the inode in cache, just find a dentry for it and
+		 * put the reference to the inode we just got.
+		 */
+		dentry = d_find_alias(inode);
+		iput(inode);
+	}
+
+	return dentry;
+}
+
 static int btrfs_fill_super(struct super_block *sb,
 			    struct btrfs_fs_devices *fs_devices,
 			    void *data, int silent)
@@ -379,7 +474,7 @@ static int btrfs_fill_super(struct super_block *sb,
 	key.objectid = BTRFS_FIRST_FREE_OBJECTID;
 	key.type = BTRFS_INODE_ITEM_KEY;
 	key.offset = 0;
-	inode = btrfs_iget(sb, &key, tree_root->fs_info->fs_root);
+	inode = btrfs_iget(sb, &key, tree_root->fs_info->fs_root, NULL);
 	if (IS_ERR(inode)) {
 		err = PTR_ERR(inode);
 		goto fail_close;
@@ -391,12 +486,6 @@ static int btrfs_fill_super(struct super_block *sb,
 		err = -ENOMEM;
 		goto fail_close;
 	}
-#if 0
-	/* this does the super kobj at the same time */
-	err = btrfs_sysfs_add_super(tree_root->fs_info);
-	if (err)
-		goto fail_close;
-#endif
 
 	sb->s_root = root_dentry;
 
@@ -488,19 +577,22 @@ static int btrfs_test_super(struct super_block *s, void *data)
 static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
 		const char *dev_name, void *data, struct vfsmount *mnt)
 {
-	char *subvol_name = NULL;
 	struct block_device *bdev = NULL;
 	struct super_block *s;
 	struct dentry *root;
 	struct btrfs_fs_devices *fs_devices = NULL;
 	fmode_t mode = FMODE_READ;
+	char *subvol_name = NULL;
+	u64 subvol_objectid = 0;
 	int error = 0;
+	int found = 0;
 
 	if (!(flags & MS_RDONLY))
 		mode |= FMODE_WRITE;
 
 	error = btrfs_parse_early_options(data, mode, fs_type,
-					  &subvol_name, &fs_devices);
+					  &subvol_name, &subvol_objectid,
+					  &fs_devices);
 	if (error)
 		return error;
 
@@ -529,6 +621,7 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
 			goto error_close_devices;
 		}
 
+		found = 1;
 		btrfs_close_devices(fs_devices);
 	} else {
 		char b[BDEVNAME_SIZE];
@@ -546,25 +639,35 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
 		s->s_flags |= MS_ACTIVE;
 	}
 
-	if (!strcmp(subvol_name, "."))
-		root = dget(s->s_root);
-	else {
-		mutex_lock(&s->s_root->d_inode->i_mutex);
-		root = lookup_one_len(subvol_name, s->s_root,
+	root = get_default_root(s, subvol_objectid);
+	if (IS_ERR(root)) {
+		error = PTR_ERR(root);
+		deactivate_locked_super(s);
+		goto error;
+	}
+	/* if they gave us a subvolume name bind mount into that */
+	if (strcmp(subvol_name, ".")) {
+		struct dentry *new_root;
+		mutex_lock(&root->d_inode->i_mutex);
+		new_root = lookup_one_len(subvol_name, root,
 				      strlen(subvol_name));
-		mutex_unlock(&s->s_root->d_inode->i_mutex);
+		mutex_unlock(&root->d_inode->i_mutex);
 
-		if (IS_ERR(root)) {
+		if (IS_ERR(new_root)) {
 			deactivate_locked_super(s);
-			error = PTR_ERR(root);
-			goto error_free_subvol_name;
+			error = PTR_ERR(new_root);
+			dput(root);
+			goto error_close_devices;
 		}
-		if (!root->d_inode) {
+		if (!new_root->d_inode) {
 			dput(root);
+			dput(new_root);
 			deactivate_locked_super(s);
 			error = -ENXIO;
-			goto error_free_subvol_name;
+			goto error_close_devices;
 		}
+		dput(root);
+		root = new_root;
 	}
 
 	mnt->mnt_sb = s;
@@ -579,6 +682,7 @@ error_close_devices:
 	btrfs_close_devices(fs_devices);
 error_free_subvol_name:
 	kfree(subvol_name);
+error:
 	return error;
 }
 
@@ -623,14 +727,37 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
 	struct btrfs_root *root = btrfs_sb(dentry->d_sb);
 	struct btrfs_super_block *disk_super = &root->fs_info->super_copy;
+	struct list_head *head = &root->fs_info->space_info;
+	struct btrfs_space_info *found;
+	u64 total_used = 0;
+	u64 data_used = 0;
 	int bits = dentry->d_sb->s_blocksize_bits;
 	__be32 *fsid = (__be32 *)root->fs_info->fsid;
 
+	rcu_read_lock();
+	list_for_each_entry_rcu(found, head, list) {
+		if (found->flags & (BTRFS_BLOCK_GROUP_DUP|
+				    BTRFS_BLOCK_GROUP_RAID10|
+				    BTRFS_BLOCK_GROUP_RAID1)) {
+			total_used += found->bytes_used;
+			if (found->flags & BTRFS_BLOCK_GROUP_DATA)
+				data_used += found->bytes_used;
+			else
+				data_used += found->total_bytes;
+		}
+
+		total_used += found->bytes_used;
+		if (found->flags & BTRFS_BLOCK_GROUP_DATA)
+			data_used += found->bytes_used;
+		else
+			data_used += found->total_bytes;
+	}
+	rcu_read_unlock();
+
 	buf->f_namelen = BTRFS_NAME_LEN;
 	buf->f_blocks = btrfs_super_total_bytes(disk_super) >> bits;
-	buf->f_bfree = buf->f_blocks -
-		(btrfs_super_bytes_used(disk_super) >> bits);
-	buf->f_bavail = buf->f_bfree;
+	buf->f_bfree = buf->f_blocks - (total_used >> bits);
+	buf->f_bavail = buf->f_blocks - (data_used >> bits);
 	buf->f_bsize = dentry->d_sb->s_blocksize;
 	buf->f_type = BTRFS_SUPER_MAGIC;
 
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index a240b6fa81df..4ce16ef702a3 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -164,12 +164,12 @@ static void btrfs_root_release(struct kobject *kobj)
 	complete(&root->kobj_unregister);
 }
 
-static struct sysfs_ops btrfs_super_attr_ops = {
+static const struct sysfs_ops btrfs_super_attr_ops = {
 	.show	= btrfs_super_attr_show,
 	.store	= btrfs_super_attr_store,
 };
 
-static struct sysfs_ops btrfs_root_attr_ops = {
+static const struct sysfs_ops btrfs_root_attr_ops = {
 	.show	= btrfs_root_attr_show,
 	.store	= btrfs_root_attr_store,
 };
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index b2acc79f1b34..2d654c1c794d 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -69,7 +69,7 @@ static noinline int join_transaction(struct btrfs_root *root)
 		cur_trans->commit_done = 0;
 		cur_trans->start_time = get_seconds();
 
-		cur_trans->delayed_refs.root.rb_node = NULL;
+		cur_trans->delayed_refs.root = RB_ROOT;
 		cur_trans->delayed_refs.num_entries = 0;
 		cur_trans->delayed_refs.num_heads_ready = 0;
 		cur_trans->delayed_refs.num_heads = 0;
@@ -997,13 +997,10 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans,
 
 		mutex_unlock(&root->fs_info->trans_mutex);
 
-		if (flush_on_commit) {
+		if (flush_on_commit || snap_pending) {
 			btrfs_start_delalloc_inodes(root, 1);
 			ret = btrfs_wait_ordered_extents(root, 0, 1);
 			BUG_ON(ret);
-		} else if (snap_pending) {
-			ret = btrfs_wait_ordered_extents(root, 0, 1);
-			BUG_ON(ret);
 		}
 
 		/*
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 4a9434b622ec..1255fcc8ade5 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -445,7 +445,7 @@ static noinline struct inode *read_one_inode(struct btrfs_root *root,
 	key.objectid = objectid;
 	key.type = BTRFS_INODE_ITEM_KEY;
 	key.offset = 0;
-	inode = btrfs_iget(root->fs_info->sb, &key, root);
+	inode = btrfs_iget(root->fs_info->sb, &key, root, NULL);
 	if (IS_ERR(inode)) {
 		inode = NULL;
 	} else if (is_bad_inode(inode)) {
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 41ecbb2347f2..9df8e3f1ccab 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -256,13 +256,13 @@ loop_lock:
 			wake_up(&fs_info->async_submit_wait);
 
 		BUG_ON(atomic_read(&cur->bi_cnt) == 0);
-		submit_bio(cur->bi_rw, cur);
-		num_run++;
-		batch_run++;
 
 		if (bio_rw_flagged(cur, BIO_RW_SYNCIO))
 			num_sync_run++;
 
+		submit_bio(cur->bi_rw, cur);
+		num_run++;
+		batch_run++;
 		if (need_resched()) {
 			if (num_sync_run) {
 				blk_run_backing_dev(bdi, NULL);
@@ -325,16 +325,6 @@ loop_lock:
 		num_sync_run = 0;
 		blk_run_backing_dev(bdi, NULL);
 	}
-
-	cond_resched();
-	if (again)
-		goto loop;
-
-	spin_lock(&device->io_lock);
-	if (device->pending_bios.head || device->pending_sync_bios.head)
-		goto loop_lock;
-	spin_unlock(&device->io_lock);
-
 	/*
 	 * IO has already been through a long path to get here.  Checksumming,
 	 * async helper threads, perhaps compression.  We've done a pretty
@@ -346,6 +336,16 @@ loop_lock:
 	 * cared about found its way down here.
 	 */
 	blk_run_backing_dev(bdi, NULL);
+
+	cond_resched();
+	if (again)
+		goto loop;
+
+	spin_lock(&device->io_lock);
+	if (device->pending_bios.head || device->pending_sync_bios.head)
+		goto loop_lock;
+	spin_unlock(&device->io_lock);
+
 done:
 	return 0;
 }
@@ -365,6 +365,7 @@ static noinline int device_list_add(const char *path,
 	struct btrfs_device *device;
 	struct btrfs_fs_devices *fs_devices;
 	u64 found_transid = btrfs_super_generation(disk_super);
+	char *name;
 
 	fs_devices = find_fsid(disk_super->fsid);
 	if (!fs_devices) {
@@ -411,6 +412,12 @@ static noinline int device_list_add(const char *path,
 
 		device->fs_devices = fs_devices;
 		fs_devices->num_devices++;
+	} else if (strcmp(device->name, path)) {
+		name = kstrdup(path, GFP_NOFS);
+		if (!name)
+			return -ENOMEM;
+		kfree(device->name);
+		device->name = name;
 	}
 
 	if (found_transid > fs_devices->latest_trans) {
@@ -592,7 +599,7 @@ static int __btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
 			goto error_close;
 
 		disk_super = (struct btrfs_super_block *)bh->b_data;
-		devid = le64_to_cpu(disk_super->dev_item.devid);
+		devid = btrfs_stack_device_id(&disk_super->dev_item);
 		if (devid != device->devid)
 			goto error_brelse;
 
@@ -694,7 +701,7 @@ int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder,
 		goto error_close;
 	}
 	disk_super = (struct btrfs_super_block *)bh->b_data;
-	devid = le64_to_cpu(disk_super->dev_item.devid);
+	devid = btrfs_stack_device_id(&disk_super->dev_item);
 	transid = btrfs_super_generation(disk_super);
 	if (disk_super->label[0])
 		printk(KERN_INFO "device label %s ", disk_super->label);
@@ -1187,7 +1194,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path)
 			goto error_close;
 		}
 		disk_super = (struct btrfs_super_block *)bh->b_data;
-		devid = le64_to_cpu(disk_super->dev_item.devid);
+		devid = btrfs_stack_device_id(&disk_super->dev_item);
 		dev_uuid = disk_super->dev_item.uuid;
 		device = btrfs_find_device(root, devid, dev_uuid,
 					   disk_super->fsid);
diff --git a/fs/buffer.c b/fs/buffer.c
index 6fa530256bfd..c9c266db0624 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2893,7 +2893,7 @@ int block_write_full_page_endio(struct page *page, get_block_t *get_block,
 
 	/*
 	 * The page straddles i_size.  It must be zeroed out on each and every
-	 * writepage invokation because it may be mmapped.  "A file is mapped
+	 * writepage invocation because it may be mmapped.  "A file is mapped
 	 * in multiples of the page size.  For a file that is not a multiple of
 	 * the  page size, the remaining memory is zeroed when mapped, and
 	 * writes to that region are not written out to the file."
@@ -3265,7 +3265,7 @@ static void recalc_bh_state(void)
 	
 struct buffer_head *alloc_buffer_head(gfp_t gfp_flags)
 {
-	struct buffer_head *ret = kmem_cache_alloc(bh_cachep, gfp_flags);
+	struct buffer_head *ret = kmem_cache_zalloc(bh_cachep, gfp_flags);
 	if (ret) {
 		INIT_LIST_HEAD(&ret->b_assoc_buffers);
 		get_cpu_var(bh_accounting).nr++;
@@ -3352,15 +3352,6 @@ int bh_submit_read(struct buffer_head *bh)
 }
 EXPORT_SYMBOL(bh_submit_read);
 
-static void
-init_buffer_head(void *data)
-{
-	struct buffer_head *bh = data;
-
-	memset(bh, 0, sizeof(*bh));
-	INIT_LIST_HEAD(&bh->b_assoc_buffers);
-}
-
 void __init buffer_init(void)
 {
 	int nrpages;
@@ -3369,7 +3360,7 @@ void __init buffer_init(void)
 			sizeof(struct buffer_head), 0,
 				(SLAB_RECLAIM_ACCOUNT|SLAB_PANIC|
 				SLAB_MEM_SPREAD),
-				init_buffer_head);
+				NULL);
 
 	/*
 	 * Limit the bh occupancy to 10% of ZONE_NORMAL
diff --git a/fs/ceph/Kconfig b/fs/ceph/Kconfig
new file mode 100644
index 000000000000..04b8280582a9
--- /dev/null
+++ b/fs/ceph/Kconfig
@@ -0,0 +1,27 @@
+config CEPH_FS
+        tristate "Ceph distributed file system (EXPERIMENTAL)"
+	depends on INET && EXPERIMENTAL
+	select LIBCRC32C
+	select CONFIG_CRYPTO_AES
+	help
+	  Choose Y or M here to include support for mounting the
+	  experimental Ceph distributed file system.  Ceph is an extremely
+	  scalable file system designed to provide high performance,
+	  reliable access to petabytes of storage.
+
+	  More information at http://ceph.newdream.net/.
+
+	  If unsure, say N.
+
+config CEPH_FS_PRETTYDEBUG
+	bool "Include file:line in ceph debug output"
+	depends on CEPH_FS
+	default n
+	help
+	  If you say Y here, debug output will include a filename and
+	  line to aid debugging.  This icnreases kernel size and slows
+	  execution slightly when debug call sites are enabled (e.g.,
+	  via CONFIG_DYNAMIC_DEBUG).
+
+	  If unsure, say N.
+
diff --git a/fs/ceph/Makefile b/fs/ceph/Makefile
new file mode 100644
index 000000000000..6a660e610be8
--- /dev/null
+++ b/fs/ceph/Makefile
@@ -0,0 +1,39 @@
+#
+# Makefile for CEPH filesystem.
+#
+
+ifneq ($(KERNELRELEASE),)
+
+obj-$(CONFIG_CEPH_FS) += ceph.o
+
+ceph-objs := super.o inode.o dir.o file.o addr.o ioctl.o \
+	export.o caps.o snap.o xattr.o \
+	messenger.o msgpool.o buffer.o pagelist.o \
+	mds_client.o mdsmap.o \
+	mon_client.o \
+	osd_client.o osdmap.o crush/crush.o crush/mapper.o crush/hash.o \
+	debugfs.o \
+	auth.o auth_none.o \
+	crypto.o armor.o \
+	auth_x.o \
+	ceph_fs.o ceph_strings.o ceph_hash.o ceph_frag.o
+
+else
+#Otherwise we were called directly from the command
+# line; invoke the kernel build system.
+
+KERNELDIR ?= /lib/modules/$(shell uname -r)/build
+PWD := $(shell pwd)
+
+default: all
+
+all:
+	$(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_CEPH_FS=m modules
+
+modules_install:
+	$(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_CEPH_FS=m modules_install
+
+clean:
+	$(MAKE) -C $(KERNELDIR) M=$(PWD) clean
+
+endif
diff --git a/fs/ceph/README b/fs/ceph/README
new file mode 100644
index 000000000000..18352fab37c0
--- /dev/null
+++ b/fs/ceph/README
@@ -0,0 +1,20 @@
+#
+# The following files are shared by (and manually synchronized
+# between) the Ceph userland and kernel client.
+#
+# userland                  kernel
+src/include/ceph_fs.h	    fs/ceph/ceph_fs.h
+src/include/ceph_fs.cc	    fs/ceph/ceph_fs.c
+src/include/msgr.h	    fs/ceph/msgr.h
+src/include/rados.h	    fs/ceph/rados.h
+src/include/ceph_strings.cc fs/ceph/ceph_strings.c
+src/include/ceph_frag.h	    fs/ceph/ceph_frag.h
+src/include/ceph_frag.cc    fs/ceph/ceph_frag.c
+src/include/ceph_hash.h	    fs/ceph/ceph_hash.h
+src/include/ceph_hash.cc    fs/ceph/ceph_hash.c
+src/crush/crush.c	    fs/ceph/crush/crush.c
+src/crush/crush.h	    fs/ceph/crush/crush.h
+src/crush/mapper.c	    fs/ceph/crush/mapper.c
+src/crush/mapper.h	    fs/ceph/crush/mapper.h
+src/crush/hash.h	    fs/ceph/crush/hash.h
+src/crush/hash.c	    fs/ceph/crush/hash.c
diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
new file mode 100644
index 000000000000..ce8ef6107727
--- /dev/null
+++ b/fs/ceph/addr.c
@@ -0,0 +1,1194 @@
+#include "ceph_debug.h"
+
+#include <linux/backing-dev.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+#include <linux/pagemap.h>
+#include <linux/writeback.h>	/* generic_writepages */
+#include <linux/pagevec.h>
+#include <linux/task_io_accounting_ops.h>
+
+#include "super.h"
+#include "osd_client.h"
+
+/*
+ * Ceph address space ops.
+ *
+ * There are a few funny things going on here.
+ *
+ * The page->private field is used to reference a struct
+ * ceph_snap_context for _every_ dirty page.  This indicates which
+ * snapshot the page was logically dirtied in, and thus which snap
+ * context needs to be associated with the osd write during writeback.
+ *
+ * Similarly, struct ceph_inode_info maintains a set of counters to
+ * count dirty pages on the inode.  In the absense of snapshots,
+ * i_wrbuffer_ref == i_wrbuffer_ref_head == the dirty page count.
+ *
+ * When a snapshot is taken (that is, when the client receives
+ * notification that a snapshot was taken), each inode with caps and
+ * with dirty pages (dirty pages implies there is a cap) gets a new
+ * ceph_cap_snap in the i_cap_snaps list (which is sorted in ascending
+ * order, new snaps go to the tail).  The i_wrbuffer_ref_head count is
+ * moved to capsnap->dirty. (Unless a sync write is currently in
+ * progress.  In that case, the capsnap is said to be "pending", new
+ * writes cannot start, and the capsnap isn't "finalized" until the
+ * write completes (or fails) and a final size/mtime for the inode for
+ * that snap can be settled upon.)  i_wrbuffer_ref_head is reset to 0.
+ *
+ * On writeback, we must submit writes to the osd IN SNAP ORDER.  So,
+ * we look for the first capsnap in i_cap_snaps and write out pages in
+ * that snap context _only_.  Then we move on to the next capsnap,
+ * eventually reaching the "live" or "head" context (i.e., pages that
+ * are not yet snapped) and are writing the most recently dirtied
+ * pages.
+ *
+ * Invalidate and so forth must take care to ensure the dirty page
+ * accounting is preserved.
+ */
+
+#define CONGESTION_ON_THRESH(congestion_kb) (congestion_kb >> (PAGE_SHIFT-10))
+#define CONGESTION_OFF_THRESH(congestion_kb)				\
+	(CONGESTION_ON_THRESH(congestion_kb) -				\
+	 (CONGESTION_ON_THRESH(congestion_kb) >> 2))
+
+
+
+/*
+ * Dirty a page.  Optimistically adjust accounting, on the assumption
+ * that we won't race with invalidate.  If we do, readjust.
+ */
+static int ceph_set_page_dirty(struct page *page)
+{
+	struct address_space *mapping = page->mapping;
+	struct inode *inode;
+	struct ceph_inode_info *ci;
+	int undo = 0;
+	struct ceph_snap_context *snapc;
+
+	if (unlikely(!mapping))
+		return !TestSetPageDirty(page);
+
+	if (TestSetPageDirty(page)) {
+		dout("%p set_page_dirty %p idx %lu -- already dirty\n",
+		     mapping->host, page, page->index);
+		return 0;
+	}
+
+	inode = mapping->host;
+	ci = ceph_inode(inode);
+
+	/*
+	 * Note that we're grabbing a snapc ref here without holding
+	 * any locks!
+	 */
+	snapc = ceph_get_snap_context(ci->i_snap_realm->cached_context);
+
+	/* dirty the head */
+	spin_lock(&inode->i_lock);
+	if (ci->i_wrbuffer_ref_head == 0)
+		ci->i_head_snapc = ceph_get_snap_context(snapc);
+	++ci->i_wrbuffer_ref_head;
+	if (ci->i_wrbuffer_ref == 0)
+		igrab(inode);
+	++ci->i_wrbuffer_ref;
+	dout("%p set_page_dirty %p idx %lu head %d/%d -> %d/%d "
+	     "snapc %p seq %lld (%d snaps)\n",
+	     mapping->host, page, page->index,
+	     ci->i_wrbuffer_ref-1, ci->i_wrbuffer_ref_head-1,
+	     ci->i_wrbuffer_ref, ci->i_wrbuffer_ref_head,
+	     snapc, snapc->seq, snapc->num_snaps);
+	spin_unlock(&inode->i_lock);
+
+	/* now adjust page */
+	spin_lock_irq(&mapping->tree_lock);
+	if (page->mapping) {	/* Race with truncate? */
+		WARN_ON_ONCE(!PageUptodate(page));
+
+		if (mapping_cap_account_dirty(mapping)) {
+			__inc_zone_page_state(page, NR_FILE_DIRTY);
+			__inc_bdi_stat(mapping->backing_dev_info,
+					BDI_RECLAIMABLE);
+			task_io_account_write(PAGE_CACHE_SIZE);
+		}
+		radix_tree_tag_set(&mapping->page_tree,
+				page_index(page), PAGECACHE_TAG_DIRTY);
+
+		/*
+		 * Reference snap context in page->private.  Also set
+		 * PagePrivate so that we get invalidatepage callback.
+		 */
+		page->private = (unsigned long)snapc;
+		SetPagePrivate(page);
+	} else {
+		dout("ANON set_page_dirty %p (raced truncate?)\n", page);
+		undo = 1;
+	}
+
+	spin_unlock_irq(&mapping->tree_lock);
+
+	if (undo)
+		/* whoops, we failed to dirty the page */
+		ceph_put_wrbuffer_cap_refs(ci, 1, snapc);
+
+	__mark_inode_dirty(mapping->host, I_DIRTY_PAGES);
+
+	BUG_ON(!PageDirty(page));
+	return 1;
+}
+
+/*
+ * If we are truncating the full page (i.e. offset == 0), adjust the
+ * dirty page counters appropriately.  Only called if there is private
+ * data on the page.
+ */
+static void ceph_invalidatepage(struct page *page, unsigned long offset)
+{
+	struct inode *inode;
+	struct ceph_inode_info *ci;
+	struct ceph_snap_context *snapc = (void *)page->private;
+
+	BUG_ON(!PageLocked(page));
+	BUG_ON(!page->private);
+	BUG_ON(!PagePrivate(page));
+	BUG_ON(!page->mapping);
+
+	inode = page->mapping->host;
+
+	/*
+	 * We can get non-dirty pages here due to races between
+	 * set_page_dirty and truncate_complete_page; just spit out a
+	 * warning, in case we end up with accounting problems later.
+	 */
+	if (!PageDirty(page))
+		pr_err("%p invalidatepage %p page not dirty\n", inode, page);
+
+	if (offset == 0)
+		ClearPageChecked(page);
+
+	ci = ceph_inode(inode);
+	if (offset == 0) {
+		dout("%p invalidatepage %p idx %lu full dirty page %lu\n",
+		     inode, page, page->index, offset);
+		ceph_put_wrbuffer_cap_refs(ci, 1, snapc);
+		ceph_put_snap_context(snapc);
+		page->private = 0;
+		ClearPagePrivate(page);
+	} else {
+		dout("%p invalidatepage %p idx %lu partial dirty page\n",
+		     inode, page, page->index);
+	}
+}
+
+/* just a sanity check */
+static int ceph_releasepage(struct page *page, gfp_t g)
+{
+	struct inode *inode = page->mapping ? page->mapping->host : NULL;
+	dout("%p releasepage %p idx %lu\n", inode, page, page->index);
+	WARN_ON(PageDirty(page));
+	WARN_ON(page->private);
+	WARN_ON(PagePrivate(page));
+	return 0;
+}
+
+/*
+ * read a single page, without unlocking it.
+ */
+static int readpage_nounlock(struct file *filp, struct page *page)
+{
+	struct inode *inode = filp->f_dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_osd_client *osdc = &ceph_inode_to_client(inode)->osdc;
+	int err = 0;
+	u64 len = PAGE_CACHE_SIZE;
+
+	dout("readpage inode %p file %p page %p index %lu\n",
+	     inode, filp, page, page->index);
+	err = ceph_osdc_readpages(osdc, ceph_vino(inode), &ci->i_layout,
+				  page->index << PAGE_CACHE_SHIFT, &len,
+				  ci->i_truncate_seq, ci->i_truncate_size,
+				  &page, 1);
+	if (err == -ENOENT)
+		err = 0;
+	if (err < 0) {
+		SetPageError(page);
+		goto out;
+	} else if (err < PAGE_CACHE_SIZE) {
+		/* zero fill remainder of page */
+		zero_user_segment(page, err, PAGE_CACHE_SIZE);
+	}
+	SetPageUptodate(page);
+
+out:
+	return err < 0 ? err : 0;
+}
+
+static int ceph_readpage(struct file *filp, struct page *page)
+{
+	int r = readpage_nounlock(filp, page);
+	unlock_page(page);
+	return r;
+}
+
+/*
+ * Build a vector of contiguous pages from the provided page list.
+ */
+static struct page **page_vector_from_list(struct list_head *page_list,
+					   unsigned *nr_pages)
+{
+	struct page **pages;
+	struct page *page;
+	int next_index, contig_pages = 0;
+
+	/* build page vector */
+	pages = kmalloc(sizeof(*pages) * *nr_pages, GFP_NOFS);
+	if (!pages)
+		return ERR_PTR(-ENOMEM);
+
+	BUG_ON(list_empty(page_list));
+	next_index = list_entry(page_list->prev, struct page, lru)->index;
+	list_for_each_entry_reverse(page, page_list, lru) {
+		if (page->index == next_index) {
+			dout("readpages page %d %p\n", contig_pages, page);
+			pages[contig_pages] = page;
+			contig_pages++;
+			next_index++;
+		} else {
+			break;
+		}
+	}
+	*nr_pages = contig_pages;
+	return pages;
+}
+
+/*
+ * Read multiple pages.  Leave pages we don't read + unlock in page_list;
+ * the caller (VM) cleans them up.
+ */
+static int ceph_readpages(struct file *file, struct address_space *mapping,
+			  struct list_head *page_list, unsigned nr_pages)
+{
+	struct inode *inode = file->f_dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_osd_client *osdc = &ceph_inode_to_client(inode)->osdc;
+	int rc = 0;
+	struct page **pages;
+	struct pagevec pvec;
+	loff_t offset;
+	u64 len;
+
+	dout("readpages %p file %p nr_pages %d\n",
+	     inode, file, nr_pages);
+
+	pages = page_vector_from_list(page_list, &nr_pages);
+	if (IS_ERR(pages))
+		return PTR_ERR(pages);
+
+	/* guess read extent */
+	offset = pages[0]->index << PAGE_CACHE_SHIFT;
+	len = nr_pages << PAGE_CACHE_SHIFT;
+	rc = ceph_osdc_readpages(osdc, ceph_vino(inode), &ci->i_layout,
+				 offset, &len,
+				 ci->i_truncate_seq, ci->i_truncate_size,
+				 pages, nr_pages);
+	if (rc == -ENOENT)
+		rc = 0;
+	if (rc < 0)
+		goto out;
+
+	/* set uptodate and add to lru in pagevec-sized chunks */
+	pagevec_init(&pvec, 0);
+	for (; !list_empty(page_list) && len > 0;
+	     rc -= PAGE_CACHE_SIZE, len -= PAGE_CACHE_SIZE) {
+		struct page *page =
+			list_entry(page_list->prev, struct page, lru);
+
+		list_del(&page->lru);
+
+		if (rc < (int)PAGE_CACHE_SIZE) {
+			/* zero (remainder of) page */
+			int s = rc < 0 ? 0 : rc;
+			zero_user_segment(page, s, PAGE_CACHE_SIZE);
+		}
+
+		if (add_to_page_cache(page, mapping, page->index, GFP_NOFS)) {
+			page_cache_release(page);
+			dout("readpages %p add_to_page_cache failed %p\n",
+			     inode, page);
+			continue;
+		}
+		dout("readpages %p adding %p idx %lu\n", inode, page,
+		     page->index);
+		flush_dcache_page(page);
+		SetPageUptodate(page);
+		unlock_page(page);
+		if (pagevec_add(&pvec, page) == 0)
+			pagevec_lru_add_file(&pvec);   /* add to lru */
+	}
+	pagevec_lru_add_file(&pvec);
+	rc = 0;
+
+out:
+	kfree(pages);
+	return rc;
+}
+
+/*
+ * Get ref for the oldest snapc for an inode with dirty data... that is, the
+ * only snap context we are allowed to write back.
+ *
+ * Caller holds i_lock.
+ */
+static struct ceph_snap_context *__get_oldest_context(struct inode *inode,
+						      u64 *snap_size)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_snap_context *snapc = NULL;
+	struct ceph_cap_snap *capsnap = NULL;
+
+	list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {
+		dout(" cap_snap %p snapc %p has %d dirty pages\n", capsnap,
+		     capsnap->context, capsnap->dirty_pages);
+		if (capsnap->dirty_pages) {
+			snapc = ceph_get_snap_context(capsnap->context);
+			if (snap_size)
+				*snap_size = capsnap->size;
+			break;
+		}
+	}
+	if (!snapc && ci->i_snap_realm) {
+		snapc = ceph_get_snap_context(ci->i_snap_realm->cached_context);
+		dout(" head snapc %p has %d dirty pages\n",
+		     snapc, ci->i_wrbuffer_ref_head);
+	}
+	return snapc;
+}
+
+static struct ceph_snap_context *get_oldest_context(struct inode *inode,
+						    u64 *snap_size)
+{
+	struct ceph_snap_context *snapc = NULL;
+
+	spin_lock(&inode->i_lock);
+	snapc = __get_oldest_context(inode, snap_size);
+	spin_unlock(&inode->i_lock);
+	return snapc;
+}
+
+/*
+ * Write a single page, but leave the page locked.
+ *
+ * If we get a write error, set the page error bit, but still adjust the
+ * dirty page accounting (i.e., page is no longer dirty).
+ */
+static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
+{
+	struct inode *inode;
+	struct ceph_inode_info *ci;
+	struct ceph_client *client;
+	struct ceph_osd_client *osdc;
+	loff_t page_off = page->index << PAGE_CACHE_SHIFT;
+	int len = PAGE_CACHE_SIZE;
+	loff_t i_size;
+	int err = 0;
+	struct ceph_snap_context *snapc;
+	u64 snap_size = 0;
+	long writeback_stat;
+
+	dout("writepage %p idx %lu\n", page, page->index);
+
+	if (!page->mapping || !page->mapping->host) {
+		dout("writepage %p - no mapping\n", page);
+		return -EFAULT;
+	}
+	inode = page->mapping->host;
+	ci = ceph_inode(inode);
+	client = ceph_inode_to_client(inode);
+	osdc = &client->osdc;
+
+	/* verify this is a writeable snap context */
+	snapc = (void *)page->private;
+	if (snapc == NULL) {
+		dout("writepage %p page %p not dirty?\n", inode, page);
+		goto out;
+	}
+	if (snapc != get_oldest_context(inode, &snap_size)) {
+		dout("writepage %p page %p snapc %p not writeable - noop\n",
+		     inode, page, (void *)page->private);
+		/* we should only noop if called by kswapd */
+		WARN_ON((current->flags & PF_MEMALLOC) == 0);
+		goto out;
+	}
+
+	/* is this a partial page at end of file? */
+	if (snap_size)
+		i_size = snap_size;
+	else
+		i_size = i_size_read(inode);
+	if (i_size < page_off + len)
+		len = i_size - page_off;
+
+	dout("writepage %p page %p index %lu on %llu~%u\n",
+	     inode, page, page->index, page_off, len);
+
+	writeback_stat = atomic_long_inc_return(&client->writeback_count);
+	if (writeback_stat >
+	    CONGESTION_ON_THRESH(client->mount_args->congestion_kb))
+		set_bdi_congested(&client->backing_dev_info, BLK_RW_ASYNC);
+
+	set_page_writeback(page);
+	err = ceph_osdc_writepages(osdc, ceph_vino(inode),
+				   &ci->i_layout, snapc,
+				   page_off, len,
+				   ci->i_truncate_seq, ci->i_truncate_size,
+				   &inode->i_mtime,
+				   &page, 1, 0, 0, true);
+	if (err < 0) {
+		dout("writepage setting page/mapping error %d %p\n", err, page);
+		SetPageError(page);
+		mapping_set_error(&inode->i_data, err);
+		if (wbc)
+			wbc->pages_skipped++;
+	} else {
+		dout("writepage cleaned page %p\n", page);
+		err = 0;  /* vfs expects us to return 0 */
+	}
+	page->private = 0;
+	ClearPagePrivate(page);
+	end_page_writeback(page);
+	ceph_put_wrbuffer_cap_refs(ci, 1, snapc);
+	ceph_put_snap_context(snapc);
+out:
+	return err;
+}
+
+static int ceph_writepage(struct page *page, struct writeback_control *wbc)
+{
+	int err;
+	struct inode *inode = page->mapping->host;
+	BUG_ON(!inode);
+	igrab(inode);
+	err = writepage_nounlock(page, wbc);
+	unlock_page(page);
+	iput(inode);
+	return err;
+}
+
+
+/*
+ * lame release_pages helper.  release_pages() isn't exported to
+ * modules.
+ */
+static void ceph_release_pages(struct page **pages, int num)
+{
+	struct pagevec pvec;
+	int i;
+
+	pagevec_init(&pvec, 0);
+	for (i = 0; i < num; i++) {
+		if (pagevec_add(&pvec, pages[i]) == 0)
+			pagevec_release(&pvec);
+	}
+	pagevec_release(&pvec);
+}
+
+
+/*
+ * async writeback completion handler.
+ *
+ * If we get an error, set the mapping error bit, but not the individual
+ * page error bits.
+ */
+static void writepages_finish(struct ceph_osd_request *req,
+			      struct ceph_msg *msg)
+{
+	struct inode *inode = req->r_inode;
+	struct ceph_osd_reply_head *replyhead;
+	struct ceph_osd_op *op;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	unsigned wrote;
+	struct page *page;
+	int i;
+	struct ceph_snap_context *snapc = req->r_snapc;
+	struct address_space *mapping = inode->i_mapping;
+	struct writeback_control *wbc = req->r_wbc;
+	__s32 rc = -EIO;
+	u64 bytes = 0;
+	struct ceph_client *client = ceph_inode_to_client(inode);
+	long writeback_stat;
+	unsigned issued = __ceph_caps_issued(ci, NULL);
+
+	/* parse reply */
+	replyhead = msg->front.iov_base;
+	WARN_ON(le32_to_cpu(replyhead->num_ops) == 0);
+	op = (void *)(replyhead + 1);
+	rc = le32_to_cpu(replyhead->result);
+	bytes = le64_to_cpu(op->extent.length);
+
+	if (rc >= 0) {
+		/*
+		 * Assume we wrote the pages we originally sent.  The
+		 * osd might reply with fewer pages if our writeback
+		 * raced with a truncation and was adjusted at the osd,
+		 * so don't believe the reply.
+		 */
+		wrote = req->r_num_pages;
+	} else {
+		wrote = 0;
+		mapping_set_error(mapping, rc);
+	}
+	dout("writepages_finish %p rc %d bytes %llu wrote %d (pages)\n",
+	     inode, rc, bytes, wrote);
+
+	/* clean all pages */
+	for (i = 0; i < req->r_num_pages; i++) {
+		page = req->r_pages[i];
+		BUG_ON(!page);
+		WARN_ON(!PageUptodate(page));
+
+		writeback_stat =
+			atomic_long_dec_return(&client->writeback_count);
+		if (writeback_stat <
+		    CONGESTION_OFF_THRESH(client->mount_args->congestion_kb))
+			clear_bdi_congested(&client->backing_dev_info,
+					    BLK_RW_ASYNC);
+
+		if (i >= wrote) {
+			dout("inode %p skipping page %p\n", inode, page);
+			wbc->pages_skipped++;
+		}
+		page->private = 0;
+		ClearPagePrivate(page);
+		ceph_put_snap_context(snapc);
+		dout("unlocking %d %p\n", i, page);
+		end_page_writeback(page);
+
+		/*
+		 * We lost the cache cap, need to truncate the page before
+		 * it is unlocked, otherwise we'd truncate it later in the
+		 * page truncation thread, possibly losing some data that
+		 * raced its way in
+		 */
+		if ((issued & CEPH_CAP_FILE_CACHE) == 0)
+			generic_error_remove_page(inode->i_mapping, page);
+
+		unlock_page(page);
+	}
+	dout("%p wrote+cleaned %d pages\n", inode, wrote);
+	ceph_put_wrbuffer_cap_refs(ci, req->r_num_pages, snapc);
+
+	ceph_release_pages(req->r_pages, req->r_num_pages);
+	if (req->r_pages_from_pool)
+		mempool_free(req->r_pages,
+			     ceph_client(inode->i_sb)->wb_pagevec_pool);
+	else
+		kfree(req->r_pages);
+	ceph_osdc_put_request(req);
+}
+
+/*
+ * allocate a page vec, either directly, or if necessary, via a the
+ * mempool.  we avoid the mempool if we can because req->r_num_pages
+ * may be less than the maximum write size.
+ */
+static void alloc_page_vec(struct ceph_client *client,
+			   struct ceph_osd_request *req)
+{
+	req->r_pages = kmalloc(sizeof(struct page *) * req->r_num_pages,
+			       GFP_NOFS);
+	if (!req->r_pages) {
+		req->r_pages = mempool_alloc(client->wb_pagevec_pool, GFP_NOFS);
+		req->r_pages_from_pool = 1;
+		WARN_ON(!req->r_pages);
+	}
+}
+
+/*
+ * initiate async writeback
+ */
+static int ceph_writepages_start(struct address_space *mapping,
+				 struct writeback_control *wbc)
+{
+	struct inode *inode = mapping->host;
+	struct backing_dev_info *bdi = mapping->backing_dev_info;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_client *client;
+	pgoff_t index, start, end;
+	int range_whole = 0;
+	int should_loop = 1;
+	pgoff_t max_pages = 0, max_pages_ever = 0;
+	struct ceph_snap_context *snapc = NULL, *last_snapc = NULL;
+	struct pagevec pvec;
+	int done = 0;
+	int rc = 0;
+	unsigned wsize = 1 << inode->i_blkbits;
+	struct ceph_osd_request *req = NULL;
+	int do_sync;
+	u64 snap_size = 0;
+
+	/*
+	 * Include a 'sync' in the OSD request if this is a data
+	 * integrity write (e.g., O_SYNC write or fsync()), or if our
+	 * cap is being revoked.
+	 */
+	do_sync = wbc->sync_mode == WB_SYNC_ALL;
+	if (ceph_caps_revoking(ci, CEPH_CAP_FILE_BUFFER))
+		do_sync = 1;
+	dout("writepages_start %p dosync=%d (mode=%s)\n",
+	     inode, do_sync,
+	     wbc->sync_mode == WB_SYNC_NONE ? "NONE" :
+	     (wbc->sync_mode == WB_SYNC_ALL ? "ALL" : "HOLD"));
+
+	client = ceph_inode_to_client(inode);
+	if (client->mount_state == CEPH_MOUNT_SHUTDOWN) {
+		pr_warning("writepage_start %p on forced umount\n", inode);
+		return -EIO; /* we're in a forced umount, don't write! */
+	}
+	if (client->mount_args->wsize && client->mount_args->wsize < wsize)
+		wsize = client->mount_args->wsize;
+	if (wsize < PAGE_CACHE_SIZE)
+		wsize = PAGE_CACHE_SIZE;
+	max_pages_ever = wsize >> PAGE_CACHE_SHIFT;
+
+	pagevec_init(&pvec, 0);
+
+	/* ?? */
+	if (wbc->nonblocking && bdi_write_congested(bdi)) {
+		dout(" writepages congested\n");
+		wbc->encountered_congestion = 1;
+		goto out_final;
+	}
+
+	/* where to start/end? */
+	if (wbc->range_cyclic) {
+		start = mapping->writeback_index; /* Start from prev offset */
+		end = -1;
+		dout(" cyclic, start at %lu\n", start);
+	} else {
+		start = wbc->range_start >> PAGE_CACHE_SHIFT;
+		end = wbc->range_end >> PAGE_CACHE_SHIFT;
+		if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
+			range_whole = 1;
+		should_loop = 0;
+		dout(" not cyclic, %lu to %lu\n", start, end);
+	}
+	index = start;
+
+retry:
+	/* find oldest snap context with dirty data */
+	ceph_put_snap_context(snapc);
+	snapc = get_oldest_context(inode, &snap_size);
+	if (!snapc) {
+		/* hmm, why does writepages get called when there
+		   is no dirty data? */
+		dout(" no snap context with dirty data?\n");
+		goto out;
+	}
+	dout(" oldest snapc is %p seq %lld (%d snaps)\n",
+	     snapc, snapc->seq, snapc->num_snaps);
+	if (last_snapc && snapc != last_snapc) {
+		/* if we switched to a newer snapc, restart our scan at the
+		 * start of the original file range. */
+		dout("  snapc differs from last pass, restarting at %lu\n",
+		     index);
+		index = start;
+	}
+	last_snapc = snapc;
+
+	while (!done && index <= end) {
+		unsigned i;
+		int first;
+		pgoff_t next;
+		int pvec_pages, locked_pages;
+		struct page *page;
+		int want;
+		u64 offset, len;
+		struct ceph_osd_request_head *reqhead;
+		struct ceph_osd_op *op;
+		long writeback_stat;
+
+		next = 0;
+		locked_pages = 0;
+		max_pages = max_pages_ever;
+
+get_more_pages:
+		first = -1;
+		want = min(end - index,
+			   min((pgoff_t)PAGEVEC_SIZE,
+			       max_pages - (pgoff_t)locked_pages) - 1)
+			+ 1;
+		pvec_pages = pagevec_lookup_tag(&pvec, mapping, &index,
+						PAGECACHE_TAG_DIRTY,
+						want);
+		dout("pagevec_lookup_tag got %d\n", pvec_pages);
+		if (!pvec_pages && !locked_pages)
+			break;
+		for (i = 0; i < pvec_pages && locked_pages < max_pages; i++) {
+			page = pvec.pages[i];
+			dout("? %p idx %lu\n", page, page->index);
+			if (locked_pages == 0)
+				lock_page(page);  /* first page */
+			else if (!trylock_page(page))
+				break;
+
+			/* only dirty pages, or our accounting breaks */
+			if (unlikely(!PageDirty(page)) ||
+			    unlikely(page->mapping != mapping)) {
+				dout("!dirty or !mapping %p\n", page);
+				unlock_page(page);
+				break;
+			}
+			if (!wbc->range_cyclic && page->index > end) {
+				dout("end of range %p\n", page);
+				done = 1;
+				unlock_page(page);
+				break;
+			}
+			if (next && (page->index != next)) {
+				dout("not consecutive %p\n", page);
+				unlock_page(page);
+				break;
+			}
+			if (wbc->sync_mode != WB_SYNC_NONE) {
+				dout("waiting on writeback %p\n", page);
+				wait_on_page_writeback(page);
+			}
+			if ((snap_size && page_offset(page) > snap_size) ||
+			    (!snap_size &&
+			     page_offset(page) > i_size_read(inode))) {
+				dout("%p page eof %llu\n", page, snap_size ?
+				     snap_size : i_size_read(inode));
+				done = 1;
+				unlock_page(page);
+				break;
+			}
+			if (PageWriteback(page)) {
+				dout("%p under writeback\n", page);
+				unlock_page(page);
+				break;
+			}
+
+			/* only if matching snap context */
+			if (snapc != (void *)page->private) {
+				dout("page snapc %p != oldest %p\n",
+				     (void *)page->private, snapc);
+				unlock_page(page);
+				if (!locked_pages)
+					continue; /* keep looking for snap */
+				break;
+			}
+
+			if (!clear_page_dirty_for_io(page)) {
+				dout("%p !clear_page_dirty_for_io\n", page);
+				unlock_page(page);
+				break;
+			}
+
+			/* ok */
+			if (locked_pages == 0) {
+				/* prepare async write request */
+				offset = page->index << PAGE_CACHE_SHIFT;
+				len = wsize;
+				req = ceph_osdc_new_request(&client->osdc,
+					    &ci->i_layout,
+					    ceph_vino(inode),
+					    offset, &len,
+					    CEPH_OSD_OP_WRITE,
+					    CEPH_OSD_FLAG_WRITE |
+						    CEPH_OSD_FLAG_ONDISK,
+					    snapc, do_sync,
+					    ci->i_truncate_seq,
+					    ci->i_truncate_size,
+					    &inode->i_mtime, true, 1);
+				max_pages = req->r_num_pages;
+
+				alloc_page_vec(client, req);
+				req->r_callback = writepages_finish;
+				req->r_inode = inode;
+				req->r_wbc = wbc;
+			}
+
+			/* note position of first page in pvec */
+			if (first < 0)
+				first = i;
+			dout("%p will write page %p idx %lu\n",
+			     inode, page, page->index);
+
+			writeback_stat = atomic_long_inc_return(&client->writeback_count);
+			if (writeback_stat > CONGESTION_ON_THRESH(client->mount_args->congestion_kb)) {
+				set_bdi_congested(&client->backing_dev_info, BLK_RW_ASYNC);
+			}
+
+			set_page_writeback(page);
+			req->r_pages[locked_pages] = page;
+			locked_pages++;
+			next = page->index + 1;
+		}
+
+		/* did we get anything? */
+		if (!locked_pages)
+			goto release_pvec_pages;
+		if (i) {
+			int j;
+			BUG_ON(!locked_pages || first < 0);
+
+			if (pvec_pages && i == pvec_pages &&
+			    locked_pages < max_pages) {
+				dout("reached end pvec, trying for more\n");
+				pagevec_reinit(&pvec);
+				goto get_more_pages;
+			}
+
+			/* shift unused pages over in the pvec...  we
+			 * will need to release them below. */
+			for (j = i; j < pvec_pages; j++) {
+				dout(" pvec leftover page %p\n",
+				     pvec.pages[j]);
+				pvec.pages[j-i+first] = pvec.pages[j];
+			}
+			pvec.nr -= i-first;
+		}
+
+		/* submit the write */
+		offset = req->r_pages[0]->index << PAGE_CACHE_SHIFT;
+		len = min((snap_size ? snap_size : i_size_read(inode)) - offset,
+			  (u64)locked_pages << PAGE_CACHE_SHIFT);
+		dout("writepages got %d pages at %llu~%llu\n",
+		     locked_pages, offset, len);
+
+		/* revise final length, page count */
+		req->r_num_pages = locked_pages;
+		reqhead = req->r_request->front.iov_base;
+		op = (void *)(reqhead + 1);
+		op->extent.length = cpu_to_le64(len);
+		op->payload_len = cpu_to_le32(len);
+		req->r_request->hdr.data_len = cpu_to_le32(len);
+
+		ceph_osdc_start_request(&client->osdc, req, true);
+		req = NULL;
+
+		/* continue? */
+		index = next;
+		wbc->nr_to_write -= locked_pages;
+		if (wbc->nr_to_write <= 0)
+			done = 1;
+
+release_pvec_pages:
+		dout("pagevec_release on %d pages (%p)\n", (int)pvec.nr,
+		     pvec.nr ? pvec.pages[0] : NULL);
+		pagevec_release(&pvec);
+
+		if (locked_pages && !done)
+			goto retry;
+	}
+
+	if (should_loop && !done) {
+		/* more to do; loop back to beginning of file */
+		dout("writepages looping back to beginning of file\n");
+		should_loop = 0;
+		index = 0;
+		goto retry;
+	}
+
+	if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
+		mapping->writeback_index = index;
+
+out:
+	if (req)
+		ceph_osdc_put_request(req);
+	if (rc > 0)
+		rc = 0;  /* vfs expects us to return 0 */
+	ceph_put_snap_context(snapc);
+	dout("writepages done, rc = %d\n", rc);
+out_final:
+	return rc;
+}
+
+
+
+/*
+ * See if a given @snapc is either writeable, or already written.
+ */
+static int context_is_writeable_or_written(struct inode *inode,
+					   struct ceph_snap_context *snapc)
+{
+	struct ceph_snap_context *oldest = get_oldest_context(inode, NULL);
+	return !oldest || snapc->seq <= oldest->seq;
+}
+
+/*
+ * We are only allowed to write into/dirty the page if the page is
+ * clean, or already dirty within the same snap context.
+ *
+ * called with page locked.
+ * return success with page locked,
+ * or any failure (incl -EAGAIN) with page unlocked.
+ */
+static int ceph_update_writeable_page(struct file *file,
+			    loff_t pos, unsigned len,
+			    struct page *page)
+{
+	struct inode *inode = file->f_dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_mds_client *mdsc = &ceph_inode_to_client(inode)->mdsc;
+	loff_t page_off = pos & PAGE_CACHE_MASK;
+	int pos_in_page = pos & ~PAGE_CACHE_MASK;
+	int end_in_page = pos_in_page + len;
+	loff_t i_size;
+	struct ceph_snap_context *snapc;
+	int r;
+
+retry_locked:
+	/* writepages currently holds page lock, but if we change that later, */
+	wait_on_page_writeback(page);
+
+	/* check snap context */
+	BUG_ON(!ci->i_snap_realm);
+	down_read(&mdsc->snap_rwsem);
+	BUG_ON(!ci->i_snap_realm->cached_context);
+	if (page->private &&
+	    (void *)page->private != ci->i_snap_realm->cached_context) {
+		/*
+		 * this page is already dirty in another (older) snap
+		 * context!  is it writeable now?
+		 */
+		snapc = get_oldest_context(inode, NULL);
+		up_read(&mdsc->snap_rwsem);
+
+		if (snapc != (void *)page->private) {
+			dout(" page %p snapc %p not current or oldest\n",
+			     page, (void *)page->private);
+			/*
+			 * queue for writeback, and wait for snapc to
+			 * be writeable or written
+			 */
+			snapc = ceph_get_snap_context((void *)page->private);
+			unlock_page(page);
+			ceph_queue_writeback(inode);
+			r = wait_event_interruptible(ci->i_cap_wq,
+			       context_is_writeable_or_written(inode, snapc));
+			ceph_put_snap_context(snapc);
+			if (r == -ERESTARTSYS)
+				return r;
+			return -EAGAIN;
+		}
+
+		/* yay, writeable, do it now (without dropping page lock) */
+		dout(" page %p snapc %p not current, but oldest\n",
+		     page, snapc);
+		if (!clear_page_dirty_for_io(page))
+			goto retry_locked;
+		r = writepage_nounlock(page, NULL);
+		if (r < 0)
+			goto fail_nosnap;
+		goto retry_locked;
+	}
+
+	if (PageUptodate(page)) {
+		dout(" page %p already uptodate\n", page);
+		return 0;
+	}
+
+	/* full page? */
+	if (pos_in_page == 0 && len == PAGE_CACHE_SIZE)
+		return 0;
+
+	/* past end of file? */
+	i_size = inode->i_size;   /* caller holds i_mutex */
+
+	if (i_size + len > inode->i_sb->s_maxbytes) {
+		/* file is too big */
+		r = -EINVAL;
+		goto fail;
+	}
+
+	if (page_off >= i_size ||
+	    (pos_in_page == 0 && (pos+len) >= i_size &&
+	     end_in_page - pos_in_page != PAGE_CACHE_SIZE)) {
+		dout(" zeroing %p 0 - %d and %d - %d\n",
+		     page, pos_in_page, end_in_page, (int)PAGE_CACHE_SIZE);
+		zero_user_segments(page,
+				   0, pos_in_page,
+				   end_in_page, PAGE_CACHE_SIZE);
+		return 0;
+	}
+
+	/* we need to read it. */
+	up_read(&mdsc->snap_rwsem);
+	r = readpage_nounlock(file, page);
+	if (r < 0)
+		goto fail_nosnap;
+	goto retry_locked;
+
+fail:
+	up_read(&mdsc->snap_rwsem);
+fail_nosnap:
+	unlock_page(page);
+	return r;
+}
+
+/*
+ * We are only allowed to write into/dirty the page if the page is
+ * clean, or already dirty within the same snap context.
+ */
+static int ceph_write_begin(struct file *file, struct address_space *mapping,
+			    loff_t pos, unsigned len, unsigned flags,
+			    struct page **pagep, void **fsdata)
+{
+	struct inode *inode = file->f_dentry->d_inode;
+	struct page *page;
+	pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+	int r;
+
+	do {
+		/* get a page */
+		page = grab_cache_page_write_begin(mapping, index, 0);
+		if (!page)
+			return -ENOMEM;
+		*pagep = page;
+
+		dout("write_begin file %p inode %p page %p %d~%d\n", file,
+	     	inode, page, (int)pos, (int)len);
+
+		r = ceph_update_writeable_page(file, pos, len, page);
+	} while (r == -EAGAIN);
+
+	return r;
+}
+
+/*
+ * we don't do anything in here that simple_write_end doesn't do
+ * except adjust dirty page accounting and drop read lock on
+ * mdsc->snap_rwsem.
+ */
+static int ceph_write_end(struct file *file, struct address_space *mapping,
+			  loff_t pos, unsigned len, unsigned copied,
+			  struct page *page, void *fsdata)
+{
+	struct inode *inode = file->f_dentry->d_inode;
+	struct ceph_client *client = ceph_inode_to_client(inode);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+	int check_cap = 0;
+
+	dout("write_end file %p inode %p page %p %d~%d (%d)\n", file,
+	     inode, page, (int)pos, (int)copied, (int)len);
+
+	/* zero the stale part of the page if we did a short copy */
+	if (copied < len)
+		zero_user_segment(page, from+copied, len);
+
+	/* did file size increase? */
+	/* (no need for i_size_read(); we caller holds i_mutex */
+	if (pos+copied > inode->i_size)
+		check_cap = ceph_inode_set_size(inode, pos+copied);
+
+	if (!PageUptodate(page))
+		SetPageUptodate(page);
+
+	set_page_dirty(page);
+
+	unlock_page(page);
+	up_read(&mdsc->snap_rwsem);
+	page_cache_release(page);
+
+	if (check_cap)
+		ceph_check_caps(ceph_inode(inode), CHECK_CAPS_AUTHONLY, NULL);
+
+	return copied;
+}
+
+/*
+ * we set .direct_IO to indicate direct io is supported, but since we
+ * intercept O_DIRECT reads and writes early, this function should
+ * never get called.
+ */
+static ssize_t ceph_direct_io(int rw, struct kiocb *iocb,
+			      const struct iovec *iov,
+			      loff_t pos, unsigned long nr_segs)
+{
+	WARN_ON(1);
+	return -EINVAL;
+}
+
+const struct address_space_operations ceph_aops = {
+	.readpage = ceph_readpage,
+	.readpages = ceph_readpages,
+	.writepage = ceph_writepage,
+	.writepages = ceph_writepages_start,
+	.write_begin = ceph_write_begin,
+	.write_end = ceph_write_end,
+	.set_page_dirty = ceph_set_page_dirty,
+	.invalidatepage = ceph_invalidatepage,
+	.releasepage = ceph_releasepage,
+	.direct_IO = ceph_direct_io,
+};
+
+
+/*
+ * vm ops
+ */
+
+/*
+ * Reuse write_begin here for simplicity.
+ */
+static int ceph_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
+{
+	struct inode *inode = vma->vm_file->f_dentry->d_inode;
+	struct page *page = vmf->page;
+	struct ceph_mds_client *mdsc = &ceph_inode_to_client(inode)->mdsc;
+	loff_t off = page->index << PAGE_CACHE_SHIFT;
+	loff_t size, len;
+	int ret;
+
+	size = i_size_read(inode);
+	if (off + PAGE_CACHE_SIZE <= size)
+		len = PAGE_CACHE_SIZE;
+	else
+		len = size & ~PAGE_CACHE_MASK;
+
+	dout("page_mkwrite %p %llu~%llu page %p idx %lu\n", inode,
+	     off, len, page, page->index);
+
+	lock_page(page);
+
+	ret = VM_FAULT_NOPAGE;
+	if ((off > size) ||
+	    (page->mapping != inode->i_mapping))
+		goto out;
+
+	ret = ceph_update_writeable_page(vma->vm_file, off, len, page);
+	if (ret == 0) {
+		/* success.  we'll keep the page locked. */
+		set_page_dirty(page);
+		up_read(&mdsc->snap_rwsem);
+		ret = VM_FAULT_LOCKED;
+	} else {
+		if (ret == -ENOMEM)
+			ret = VM_FAULT_OOM;
+		else
+			ret = VM_FAULT_SIGBUS;
+	}
+out:
+	dout("page_mkwrite %p %llu~%llu = %d\n", inode, off, len, ret);
+	if (ret != VM_FAULT_LOCKED)
+		unlock_page(page);
+	return ret;
+}
+
+static struct vm_operations_struct ceph_vmops = {
+	.fault		= filemap_fault,
+	.page_mkwrite	= ceph_page_mkwrite,
+};
+
+int ceph_mmap(struct file *file, struct vm_area_struct *vma)
+{
+	struct address_space *mapping = file->f_mapping;
+
+	if (!mapping->a_ops->readpage)
+		return -ENOEXEC;
+	file_accessed(file);
+	vma->vm_ops = &ceph_vmops;
+	vma->vm_flags |= VM_CAN_NONLINEAR;
+	return 0;
+}
diff --git a/fs/ceph/armor.c b/fs/ceph/armor.c
new file mode 100644
index 000000000000..67b2c030924b
--- /dev/null
+++ b/fs/ceph/armor.c
@@ -0,0 +1,99 @@
+
+#include <linux/errno.h>
+
+/*
+ * base64 encode/decode.
+ */
+
+const char *pem_key = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+static int encode_bits(int c)
+{
+	return pem_key[c];
+}
+
+static int decode_bits(char c)
+{
+	if (c >= 'A' && c <= 'Z')
+		return c - 'A';
+	if (c >= 'a' && c <= 'z')
+		return c - 'a' + 26;
+	if (c >= '0' && c <= '9')
+		return c - '0' + 52;
+	if (c == '+')
+		return 62;
+	if (c == '/')
+		return 63;
+	if (c == '=')
+		return 0; /* just non-negative, please */
+	return -EINVAL;
+}
+
+int ceph_armor(char *dst, const char *src, const char *end)
+{
+	int olen = 0;
+	int line = 0;
+
+	while (src < end) {
+		unsigned char a, b, c;
+
+		a = *src++;
+		*dst++ = encode_bits(a >> 2);
+		if (src < end) {
+			b = *src++;
+			*dst++ = encode_bits(((a & 3) << 4) | (b >> 4));
+			if (src < end) {
+				c = *src++;
+				*dst++ = encode_bits(((b & 15) << 2) |
+						     (c >> 6));
+				*dst++ = encode_bits(c & 63);
+			} else {
+				*dst++ = encode_bits((b & 15) << 2);
+				*dst++ = '=';
+			}
+		} else {
+			*dst++ = encode_bits(((a & 3) << 4));
+			*dst++ = '=';
+			*dst++ = '=';
+		}
+		olen += 4;
+		line += 4;
+		if (line == 64) {
+			line = 0;
+			*(dst++) = '\n';
+			olen++;
+		}
+	}
+	return olen;
+}
+
+int ceph_unarmor(char *dst, const char *src, const char *end)
+{
+	int olen = 0;
+
+	while (src < end) {
+		int a, b, c, d;
+
+		if (src < end && src[0] == '\n')
+			src++;
+		if (src + 4 > end)
+			return -EINVAL;
+		a = decode_bits(src[0]);
+		b = decode_bits(src[1]);
+		c = decode_bits(src[2]);
+		d = decode_bits(src[3]);
+		if (a < 0 || b < 0 || c < 0 || d < 0)
+			return -EINVAL;
+
+		*dst++ = (a << 2) | (b >> 4);
+		if (src[2] == '=')
+			return olen + 1;
+		*dst++ = ((b & 15) << 4) | (c >> 2);
+		if (src[3] == '=')
+			return olen + 2;
+		*dst++ = ((c & 3) << 6) | d;
+		olen += 3;
+		src += 4;
+	}
+	return olen;
+}
diff --git a/fs/ceph/auth.c b/fs/ceph/auth.c
new file mode 100644
index 000000000000..abb204fea6c7
--- /dev/null
+++ b/fs/ceph/auth.c
@@ -0,0 +1,257 @@
+#include "ceph_debug.h"
+
+#include <linux/module.h>
+#include <linux/err.h>
+
+#include "types.h"
+#include "auth_none.h"
+#include "auth_x.h"
+#include "decode.h"
+#include "super.h"
+
+#include "messenger.h"
+
+/*
+ * get protocol handler
+ */
+static u32 supported_protocols[] = {
+	CEPH_AUTH_NONE,
+	CEPH_AUTH_CEPHX
+};
+
+int ceph_auth_init_protocol(struct ceph_auth_client *ac, int protocol)
+{
+	switch (protocol) {
+	case CEPH_AUTH_NONE:
+		return ceph_auth_none_init(ac);
+	case CEPH_AUTH_CEPHX:
+		return ceph_x_init(ac);
+	default:
+		return -ENOENT;
+	}
+}
+
+/*
+ * setup, teardown.
+ */
+struct ceph_auth_client *ceph_auth_init(const char *name, const char *secret)
+{
+	struct ceph_auth_client *ac;
+	int ret;
+
+	dout("auth_init name '%s' secret '%s'\n", name, secret);
+
+	ret = -ENOMEM;
+	ac = kzalloc(sizeof(*ac), GFP_NOFS);
+	if (!ac)
+		goto out;
+
+	ac->negotiating = true;
+	if (name)
+		ac->name = name;
+	else
+		ac->name = CEPH_AUTH_NAME_DEFAULT;
+	dout("auth_init name %s secret %s\n", ac->name, secret);
+	ac->secret = secret;
+	return ac;
+
+out:
+	return ERR_PTR(ret);
+}
+
+void ceph_auth_destroy(struct ceph_auth_client *ac)
+{
+	dout("auth_destroy %p\n", ac);
+	if (ac->ops)
+		ac->ops->destroy(ac);
+	kfree(ac);
+}
+
+/*
+ * Reset occurs when reconnecting to the monitor.
+ */
+void ceph_auth_reset(struct ceph_auth_client *ac)
+{
+	dout("auth_reset %p\n", ac);
+	if (ac->ops && !ac->negotiating)
+		ac->ops->reset(ac);
+	ac->negotiating = true;
+}
+
+int ceph_entity_name_encode(const char *name, void **p, void *end)
+{
+	int len = strlen(name);
+
+	if (*p + 2*sizeof(u32) + len > end)
+		return -ERANGE;
+	ceph_encode_32(p, CEPH_ENTITY_TYPE_CLIENT);
+	ceph_encode_32(p, len);
+	ceph_encode_copy(p, name, len);
+	return 0;
+}
+
+/*
+ * Initiate protocol negotiation with monitor.  Include entity name
+ * and list supported protocols.
+ */
+int ceph_auth_build_hello(struct ceph_auth_client *ac, void *buf, size_t len)
+{
+	struct ceph_mon_request_header *monhdr = buf;
+	void *p = monhdr + 1, *end = buf + len, *lenp;
+	int i, num;
+	int ret;
+
+	dout("auth_build_hello\n");
+	monhdr->have_version = 0;
+	monhdr->session_mon = cpu_to_le16(-1);
+	monhdr->session_mon_tid = 0;
+
+	ceph_encode_32(&p, 0);  /* no protocol, yet */
+
+	lenp = p;
+	p += sizeof(u32);
+
+	ceph_decode_need(&p, end, 1 + sizeof(u32), bad);
+	ceph_encode_8(&p, 1);
+	num = ARRAY_SIZE(supported_protocols);
+	ceph_encode_32(&p, num);
+	ceph_decode_need(&p, end, num * sizeof(u32), bad);
+	for (i = 0; i < num; i++)
+		ceph_encode_32(&p, supported_protocols[i]);
+
+	ret = ceph_entity_name_encode(ac->name, &p, end);
+	if (ret < 0)
+		return ret;
+	ceph_decode_need(&p, end, sizeof(u64), bad);
+	ceph_encode_64(&p, ac->global_id);
+
+	ceph_encode_32(&lenp, p - lenp - sizeof(u32));
+	return p - buf;
+
+bad:
+	return -ERANGE;
+}
+
+int ceph_build_auth_request(struct ceph_auth_client *ac,
+			   void *msg_buf, size_t msg_len)
+{
+	struct ceph_mon_request_header *monhdr = msg_buf;
+	void *p = monhdr + 1;
+	void *end = msg_buf + msg_len;
+	int ret;
+
+	monhdr->have_version = 0;
+	monhdr->session_mon = cpu_to_le16(-1);
+	monhdr->session_mon_tid = 0;
+
+	ceph_encode_32(&p, ac->protocol);
+
+	ret = ac->ops->build_request(ac, p + sizeof(u32), end);
+	if (ret < 0) {
+		pr_err("error %d building request\n", ret);
+		return ret;
+	}
+	dout(" built request %d bytes\n", ret);
+	ceph_encode_32(&p, ret);
+	return p + ret - msg_buf;
+}
+
+/*
+ * Handle auth message from monitor.
+ */
+int ceph_handle_auth_reply(struct ceph_auth_client *ac,
+			   void *buf, size_t len,
+			   void *reply_buf, size_t reply_len)
+{
+	void *p = buf;
+	void *end = buf + len;
+	int protocol;
+	s32 result;
+	u64 global_id;
+	void *payload, *payload_end;
+	int payload_len;
+	char *result_msg;
+	int result_msg_len;
+	int ret = -EINVAL;
+
+	dout("handle_auth_reply %p %p\n", p, end);
+	ceph_decode_need(&p, end, sizeof(u32) * 3 + sizeof(u64), bad);
+	protocol = ceph_decode_32(&p);
+	result = ceph_decode_32(&p);
+	global_id = ceph_decode_64(&p);
+	payload_len = ceph_decode_32(&p);
+	payload = p;
+	p += payload_len;
+	ceph_decode_need(&p, end, sizeof(u32), bad);
+	result_msg_len = ceph_decode_32(&p);
+	result_msg = p;
+	p += result_msg_len;
+	if (p != end)
+		goto bad;
+
+	dout(" result %d '%.*s' gid %llu len %d\n", result, result_msg_len,
+	     result_msg, global_id, payload_len);
+
+	payload_end = payload + payload_len;
+
+	if (global_id && ac->global_id != global_id) {
+		dout(" set global_id %lld -> %lld\n", ac->global_id, global_id);
+		ac->global_id = global_id;
+	}
+
+	if (ac->negotiating) {
+		/* server does not support our protocols? */
+		if (!protocol && result < 0) {
+			ret = result;
+			goto out;
+		}
+		/* set up (new) protocol handler? */
+		if (ac->protocol && ac->protocol != protocol) {
+			ac->ops->destroy(ac);
+			ac->protocol = 0;
+			ac->ops = NULL;
+		}
+		if (ac->protocol != protocol) {
+			ret = ceph_auth_init_protocol(ac, protocol);
+			if (ret) {
+				pr_err("error %d on auth protocol %d init\n",
+				       ret, protocol);
+				goto out;
+			}
+		}
+
+		ac->negotiating = false;
+	}
+
+	ret = ac->ops->handle_reply(ac, result, payload, payload_end);
+	if (ret == -EAGAIN) {
+		return ceph_build_auth_request(ac, reply_buf, reply_len);
+	} else if (ret) {
+		pr_err("authentication error %d\n", ret);
+		return ret;
+	}
+	return 0;
+
+bad:
+	pr_err("failed to decode auth msg\n");
+out:
+	return ret;
+}
+
+int ceph_build_auth(struct ceph_auth_client *ac,
+		    void *msg_buf, size_t msg_len)
+{
+	if (!ac->protocol)
+		return ceph_auth_build_hello(ac, msg_buf, msg_len);
+	BUG_ON(!ac->ops);
+	if (!ac->ops->is_authenticated(ac))
+		return ceph_build_auth_request(ac, msg_buf, msg_len);
+	return 0;
+}
+
+int ceph_auth_is_authenticated(struct ceph_auth_client *ac)
+{
+	if (!ac->ops)
+		return 0;
+	return ac->ops->is_authenticated(ac);
+}
diff --git a/fs/ceph/auth.h b/fs/ceph/auth.h
new file mode 100644
index 000000000000..ca4f57cfb267
--- /dev/null
+++ b/fs/ceph/auth.h
@@ -0,0 +1,84 @@
+#ifndef _FS_CEPH_AUTH_H
+#define _FS_CEPH_AUTH_H
+
+#include "types.h"
+#include "buffer.h"
+
+/*
+ * Abstract interface for communicating with the authenticate module.
+ * There is some handshake that takes place between us and the monitor
+ * to acquire the necessary keys.  These are used to generate an
+ * 'authorizer' that we use when connecting to a service (mds, osd).
+ */
+
+struct ceph_auth_client;
+struct ceph_authorizer;
+
+struct ceph_auth_client_ops {
+	/*
+	 * true if we are authenticated and can connect to
+	 * services.
+	 */
+	int (*is_authenticated)(struct ceph_auth_client *ac);
+
+	/*
+	 * build requests and process replies during monitor
+	 * handshake.  if handle_reply returns -EAGAIN, we build
+	 * another request.
+	 */
+	int (*build_request)(struct ceph_auth_client *ac, void *buf, void *end);
+	int (*handle_reply)(struct ceph_auth_client *ac, int result,
+			    void *buf, void *end);
+
+	/*
+	 * Create authorizer for connecting to a service, and verify
+	 * the response to authenticate the service.
+	 */
+	int (*create_authorizer)(struct ceph_auth_client *ac, int peer_type,
+				 struct ceph_authorizer **a,
+				 void **buf, size_t *len,
+				 void **reply_buf, size_t *reply_len);
+	int (*verify_authorizer_reply)(struct ceph_auth_client *ac,
+				       struct ceph_authorizer *a, size_t len);
+	void (*destroy_authorizer)(struct ceph_auth_client *ac,
+				   struct ceph_authorizer *a);
+	void (*invalidate_authorizer)(struct ceph_auth_client *ac,
+				      int peer_type);
+
+	/* reset when we (re)connect to a monitor */
+	void (*reset)(struct ceph_auth_client *ac);
+
+	void (*destroy)(struct ceph_auth_client *ac);
+};
+
+struct ceph_auth_client {
+	u32 protocol;           /* CEPH_AUTH_* */
+	void *private;          /* for use by protocol implementation */
+	const struct ceph_auth_client_ops *ops;  /* null iff protocol==0 */
+
+	bool negotiating;       /* true if negotiating protocol */
+	const char *name;       /* entity name */
+	u64 global_id;          /* our unique id in system */
+	const char *secret;     /* our secret key */
+	unsigned want_keys;     /* which services we want */
+};
+
+extern struct ceph_auth_client *ceph_auth_init(const char *name,
+					       const char *secret);
+extern void ceph_auth_destroy(struct ceph_auth_client *ac);
+
+extern void ceph_auth_reset(struct ceph_auth_client *ac);
+
+extern int ceph_auth_build_hello(struct ceph_auth_client *ac,
+				 void *buf, size_t len);
+extern int ceph_handle_auth_reply(struct ceph_auth_client *ac,
+				  void *buf, size_t len,
+				  void *reply_buf, size_t reply_len);
+extern int ceph_entity_name_encode(const char *name, void **p, void *end);
+
+extern int ceph_build_auth(struct ceph_auth_client *ac,
+		    void *msg_buf, size_t msg_len);
+
+extern int ceph_auth_is_authenticated(struct ceph_auth_client *ac);
+
+#endif
diff --git a/fs/ceph/auth_none.c b/fs/ceph/auth_none.c
new file mode 100644
index 000000000000..b4ef6f0a6c85
--- /dev/null
+++ b/fs/ceph/auth_none.c
@@ -0,0 +1,121 @@
+
+#include "ceph_debug.h"
+
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/random.h>
+
+#include "auth_none.h"
+#include "auth.h"
+#include "decode.h"
+
+static void reset(struct ceph_auth_client *ac)
+{
+	struct ceph_auth_none_info *xi = ac->private;
+
+	xi->starting = true;
+	xi->built_authorizer = false;
+}
+
+static void destroy(struct ceph_auth_client *ac)
+{
+	kfree(ac->private);
+	ac->private = NULL;
+}
+
+static int is_authenticated(struct ceph_auth_client *ac)
+{
+	struct ceph_auth_none_info *xi = ac->private;
+
+	return !xi->starting;
+}
+
+/*
+ * the generic auth code decode the global_id, and we carry no actual
+ * authenticate state, so nothing happens here.
+ */
+static int handle_reply(struct ceph_auth_client *ac, int result,
+			void *buf, void *end)
+{
+	struct ceph_auth_none_info *xi = ac->private;
+
+	xi->starting = false;
+	return result;
+}
+
+/*
+ * build an 'authorizer' with our entity_name and global_id.  we can
+ * reuse a single static copy since it is identical for all services
+ * we connect to.
+ */
+static int ceph_auth_none_create_authorizer(
+	struct ceph_auth_client *ac, int peer_type,
+	struct ceph_authorizer **a,
+	void **buf, size_t *len,
+	void **reply_buf, size_t *reply_len)
+{
+	struct ceph_auth_none_info *ai = ac->private;
+	struct ceph_none_authorizer *au = &ai->au;
+	void *p, *end;
+	int ret;
+
+	if (!ai->built_authorizer) {
+		p = au->buf;
+		end = p + sizeof(au->buf);
+		ceph_encode_8(&p, 1);
+		ret = ceph_entity_name_encode(ac->name, &p, end - 8);
+		if (ret < 0)
+			goto bad;
+		ceph_decode_need(&p, end, sizeof(u64), bad2);
+		ceph_encode_64(&p, ac->global_id);
+		au->buf_len = p - (void *)au->buf;
+		ai->built_authorizer = true;
+		dout("built authorizer len %d\n", au->buf_len);
+	}
+
+	*a = (struct ceph_authorizer *)au;
+	*buf = au->buf;
+	*len = au->buf_len;
+	*reply_buf = au->reply_buf;
+	*reply_len = sizeof(au->reply_buf);
+	return 0;
+
+bad2:
+	ret = -ERANGE;
+bad:
+	return ret;
+}
+
+static void ceph_auth_none_destroy_authorizer(struct ceph_auth_client *ac,
+				      struct ceph_authorizer *a)
+{
+	/* nothing to do */
+}
+
+static const struct ceph_auth_client_ops ceph_auth_none_ops = {
+	.reset = reset,
+	.destroy = destroy,
+	.is_authenticated = is_authenticated,
+	.handle_reply = handle_reply,
+	.create_authorizer = ceph_auth_none_create_authorizer,
+	.destroy_authorizer = ceph_auth_none_destroy_authorizer,
+};
+
+int ceph_auth_none_init(struct ceph_auth_client *ac)
+{
+	struct ceph_auth_none_info *xi;
+
+	dout("ceph_auth_none_init %p\n", ac);
+	xi = kzalloc(sizeof(*xi), GFP_NOFS);
+	if (!xi)
+		return -ENOMEM;
+
+	xi->starting = true;
+	xi->built_authorizer = false;
+
+	ac->protocol = CEPH_AUTH_NONE;
+	ac->private = xi;
+	ac->ops = &ceph_auth_none_ops;
+	return 0;
+}
+
diff --git a/fs/ceph/auth_none.h b/fs/ceph/auth_none.h
new file mode 100644
index 000000000000..56c05533a31c
--- /dev/null
+++ b/fs/ceph/auth_none.h
@@ -0,0 +1,28 @@
+#ifndef _FS_CEPH_AUTH_NONE_H
+#define _FS_CEPH_AUTH_NONE_H
+
+#include "auth.h"
+
+/*
+ * null security mode.
+ *
+ * we use a single static authorizer that simply encodes our entity name
+ * and global id.
+ */
+
+struct ceph_none_authorizer {
+	char buf[128];
+	int buf_len;
+	char reply_buf[0];
+};
+
+struct ceph_auth_none_info {
+	bool starting;
+	bool built_authorizer;
+	struct ceph_none_authorizer au;   /* we only need one; it's static */
+};
+
+extern int ceph_auth_none_init(struct ceph_auth_client *ac);
+
+#endif
+
diff --git a/fs/ceph/auth_x.c b/fs/ceph/auth_x.c
new file mode 100644
index 000000000000..8d8a84964763
--- /dev/null
+++ b/fs/ceph/auth_x.c
@@ -0,0 +1,679 @@
+
+#include "ceph_debug.h"
+
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/random.h>
+
+#include "auth_x.h"
+#include "auth_x_protocol.h"
+#include "crypto.h"
+#include "auth.h"
+#include "decode.h"
+
+struct kmem_cache *ceph_x_ticketbuf_cachep;
+
+#define TEMP_TICKET_BUF_LEN	256
+
+static void ceph_x_validate_tickets(struct ceph_auth_client *ac, int *pneed);
+
+static int ceph_x_is_authenticated(struct ceph_auth_client *ac)
+{
+	struct ceph_x_info *xi = ac->private;
+	int need;
+
+	ceph_x_validate_tickets(ac, &need);
+	dout("ceph_x_is_authenticated want=%d need=%d have=%d\n",
+	     ac->want_keys, need, xi->have_keys);
+	return (ac->want_keys & xi->have_keys) == ac->want_keys;
+}
+
+static int ceph_x_encrypt_buflen(int ilen)
+{
+	return sizeof(struct ceph_x_encrypt_header) + ilen + 16 +
+		sizeof(u32);
+}
+
+static int ceph_x_encrypt(struct ceph_crypto_key *secret,
+			  void *ibuf, int ilen, void *obuf, size_t olen)
+{
+	struct ceph_x_encrypt_header head = {
+		.struct_v = 1,
+		.magic = cpu_to_le64(CEPHX_ENC_MAGIC)
+	};
+	size_t len = olen - sizeof(u32);
+	int ret;
+
+	ret = ceph_encrypt2(secret, obuf + sizeof(u32), &len,
+			    &head, sizeof(head), ibuf, ilen);
+	if (ret)
+		return ret;
+	ceph_encode_32(&obuf, len);
+	return len + sizeof(u32);
+}
+
+static int ceph_x_decrypt(struct ceph_crypto_key *secret,
+			  void **p, void *end, void *obuf, size_t olen)
+{
+	struct ceph_x_encrypt_header head;
+	size_t head_len = sizeof(head);
+	int len, ret;
+
+	len = ceph_decode_32(p);
+	if (*p + len > end)
+		return -EINVAL;
+
+	dout("ceph_x_decrypt len %d\n", len);
+	ret = ceph_decrypt2(secret, &head, &head_len, obuf, &olen,
+			    *p, len);
+	if (ret)
+		return ret;
+	if (head.struct_v != 1 || le64_to_cpu(head.magic) != CEPHX_ENC_MAGIC)
+		return -EPERM;
+	*p += len;
+	return olen;
+}
+
+/*
+ * get existing (or insert new) ticket handler
+ */
+struct ceph_x_ticket_handler *get_ticket_handler(struct ceph_auth_client *ac,
+						 int service)
+{
+	struct ceph_x_ticket_handler *th;
+	struct ceph_x_info *xi = ac->private;
+	struct rb_node *parent = NULL, **p = &xi->ticket_handlers.rb_node;
+
+	while (*p) {
+		parent = *p;
+		th = rb_entry(parent, struct ceph_x_ticket_handler, node);
+		if (service < th->service)
+			p = &(*p)->rb_left;
+		else if (service > th->service)
+			p = &(*p)->rb_right;
+		else
+			return th;
+	}
+
+	/* add it */
+	th = kzalloc(sizeof(*th), GFP_NOFS);
+	if (!th)
+		return ERR_PTR(-ENOMEM);
+	th->service = service;
+	rb_link_node(&th->node, parent, p);
+	rb_insert_color(&th->node, &xi->ticket_handlers);
+	return th;
+}
+
+static void remove_ticket_handler(struct ceph_auth_client *ac,
+				  struct ceph_x_ticket_handler *th)
+{
+	struct ceph_x_info *xi = ac->private;
+
+	dout("remove_ticket_handler %p %d\n", th, th->service);
+	rb_erase(&th->node, &xi->ticket_handlers);
+	ceph_crypto_key_destroy(&th->session_key);
+	if (th->ticket_blob)
+		ceph_buffer_put(th->ticket_blob);
+	kfree(th);
+}
+
+static int ceph_x_proc_ticket_reply(struct ceph_auth_client *ac,
+				    struct ceph_crypto_key *secret,
+				    void *buf, void *end)
+{
+	struct ceph_x_info *xi = ac->private;
+	int num;
+	void *p = buf;
+	int ret;
+	char *dbuf;
+	char *ticket_buf;
+	u8 struct_v;
+
+	dbuf = kmem_cache_alloc(ceph_x_ticketbuf_cachep, GFP_NOFS | GFP_ATOMIC);
+	if (!dbuf)
+		return -ENOMEM;
+
+	ret = -ENOMEM;
+	ticket_buf = kmem_cache_alloc(ceph_x_ticketbuf_cachep,
+				      GFP_NOFS | GFP_ATOMIC);
+	if (!ticket_buf)
+		goto out_dbuf;
+
+	ceph_decode_need(&p, end, 1 + sizeof(u32), bad);
+	struct_v = ceph_decode_8(&p);
+	if (struct_v != 1)
+		goto bad;
+	num = ceph_decode_32(&p);
+	dout("%d tickets\n", num);
+	while (num--) {
+		int type;
+		u8 struct_v;
+		struct ceph_x_ticket_handler *th;
+		void *dp, *dend;
+		int dlen;
+		char is_enc;
+		struct timespec validity;
+		struct ceph_crypto_key old_key;
+		void *tp, *tpend;
+		struct ceph_timespec new_validity;
+		struct ceph_crypto_key new_session_key;
+		struct ceph_buffer *new_ticket_blob;
+		unsigned long new_expires, new_renew_after;
+		u64 new_secret_id;
+
+		ceph_decode_need(&p, end, sizeof(u32) + 1, bad);
+
+		type = ceph_decode_32(&p);
+		dout(" ticket type %d %s\n", type, ceph_entity_type_name(type));
+
+		struct_v = ceph_decode_8(&p);
+		if (struct_v != 1)
+			goto bad;
+
+		th = get_ticket_handler(ac, type);
+		if (IS_ERR(th)) {
+			ret = PTR_ERR(th);
+			goto out;
+		}
+
+		/* blob for me */
+		dlen = ceph_x_decrypt(secret, &p, end, dbuf,
+				      TEMP_TICKET_BUF_LEN);
+		if (dlen <= 0) {
+			ret = dlen;
+			goto out;
+		}
+		dout(" decrypted %d bytes\n", dlen);
+		dend = dbuf + dlen;
+		dp = dbuf;
+
+		struct_v = ceph_decode_8(&dp);
+		if (struct_v != 1)
+			goto bad;
+
+		memcpy(&old_key, &th->session_key, sizeof(old_key));
+		ret = ceph_crypto_key_decode(&new_session_key, &dp, dend);
+		if (ret)
+			goto out;
+
+		ceph_decode_copy(&dp, &new_validity, sizeof(new_validity));
+		ceph_decode_timespec(&validity, &new_validity);
+		new_expires = get_seconds() + validity.tv_sec;
+		new_renew_after = new_expires - (validity.tv_sec / 4);
+		dout(" expires=%lu renew_after=%lu\n", new_expires,
+		     new_renew_after);
+
+		/* ticket blob for service */
+		ceph_decode_8_safe(&p, end, is_enc, bad);
+		tp = ticket_buf;
+		if (is_enc) {
+			/* encrypted */
+			dout(" encrypted ticket\n");
+			dlen = ceph_x_decrypt(&old_key, &p, end, ticket_buf,
+					      TEMP_TICKET_BUF_LEN);
+			if (dlen < 0) {
+				ret = dlen;
+				goto out;
+			}
+			dlen = ceph_decode_32(&tp);
+		} else {
+			/* unencrypted */
+			ceph_decode_32_safe(&p, end, dlen, bad);
+			ceph_decode_need(&p, end, dlen, bad);
+			ceph_decode_copy(&p, ticket_buf, dlen);
+		}
+		tpend = tp + dlen;
+		dout(" ticket blob is %d bytes\n", dlen);
+		ceph_decode_need(&tp, tpend, 1 + sizeof(u64), bad);
+		struct_v = ceph_decode_8(&tp);
+		new_secret_id = ceph_decode_64(&tp);
+		ret = ceph_decode_buffer(&new_ticket_blob, &tp, tpend);
+		if (ret)
+			goto out;
+
+		/* all is well, update our ticket */
+		ceph_crypto_key_destroy(&th->session_key);
+		if (th->ticket_blob)
+			ceph_buffer_put(th->ticket_blob);
+		th->session_key = new_session_key;
+		th->ticket_blob = new_ticket_blob;
+		th->validity = new_validity;
+		th->secret_id = new_secret_id;
+		th->expires = new_expires;
+		th->renew_after = new_renew_after;
+		dout(" got ticket service %d (%s) secret_id %lld len %d\n",
+		     type, ceph_entity_type_name(type), th->secret_id,
+		     (int)th->ticket_blob->vec.iov_len);
+		xi->have_keys |= th->service;
+	}
+
+	ret = 0;
+out:
+	kmem_cache_free(ceph_x_ticketbuf_cachep, ticket_buf);
+out_dbuf:
+	kmem_cache_free(ceph_x_ticketbuf_cachep, dbuf);
+	return ret;
+
+bad:
+	ret = -EINVAL;
+	goto out;
+}
+
+static int ceph_x_build_authorizer(struct ceph_auth_client *ac,
+				   struct ceph_x_ticket_handler *th,
+				   struct ceph_x_authorizer *au)
+{
+	int maxlen;
+	struct ceph_x_authorize_a *msg_a;
+	struct ceph_x_authorize_b msg_b;
+	void *p, *end;
+	int ret;
+	int ticket_blob_len =
+		(th->ticket_blob ? th->ticket_blob->vec.iov_len : 0);
+
+	dout("build_authorizer for %s %p\n",
+	     ceph_entity_type_name(th->service), au);
+
+	maxlen = sizeof(*msg_a) + sizeof(msg_b) +
+		ceph_x_encrypt_buflen(ticket_blob_len);
+	dout("  need len %d\n", maxlen);
+	if (au->buf && au->buf->alloc_len < maxlen) {
+		ceph_buffer_put(au->buf);
+		au->buf = NULL;
+	}
+	if (!au->buf) {
+		au->buf = ceph_buffer_new(maxlen, GFP_NOFS);
+		if (!au->buf)
+			return -ENOMEM;
+	}
+	au->service = th->service;
+
+	msg_a = au->buf->vec.iov_base;
+	msg_a->struct_v = 1;
+	msg_a->global_id = cpu_to_le64(ac->global_id);
+	msg_a->service_id = cpu_to_le32(th->service);
+	msg_a->ticket_blob.struct_v = 1;
+	msg_a->ticket_blob.secret_id = cpu_to_le64(th->secret_id);
+	msg_a->ticket_blob.blob_len = cpu_to_le32(ticket_blob_len);
+	if (ticket_blob_len) {
+		memcpy(msg_a->ticket_blob.blob, th->ticket_blob->vec.iov_base,
+		       th->ticket_blob->vec.iov_len);
+	}
+	dout(" th %p secret_id %lld %lld\n", th, th->secret_id,
+	     le64_to_cpu(msg_a->ticket_blob.secret_id));
+
+	p = msg_a + 1;
+	p += ticket_blob_len;
+	end = au->buf->vec.iov_base + au->buf->vec.iov_len;
+
+	get_random_bytes(&au->nonce, sizeof(au->nonce));
+	msg_b.struct_v = 1;
+	msg_b.nonce = cpu_to_le64(au->nonce);
+	ret = ceph_x_encrypt(&th->session_key, &msg_b, sizeof(msg_b),
+			     p, end - p);
+	if (ret < 0)
+		goto out_buf;
+	p += ret;
+	au->buf->vec.iov_len = p - au->buf->vec.iov_base;
+	dout(" built authorizer nonce %llx len %d\n", au->nonce,
+	     (int)au->buf->vec.iov_len);
+	BUG_ON(au->buf->vec.iov_len > maxlen);
+	return 0;
+
+out_buf:
+	ceph_buffer_put(au->buf);
+	au->buf = NULL;
+	return ret;
+}
+
+static int ceph_x_encode_ticket(struct ceph_x_ticket_handler *th,
+				void **p, void *end)
+{
+	ceph_decode_need(p, end, 1 + sizeof(u64), bad);
+	ceph_encode_8(p, 1);
+	ceph_encode_64(p, th->secret_id);
+	if (th->ticket_blob) {
+		const char *buf = th->ticket_blob->vec.iov_base;
+		u32 len = th->ticket_blob->vec.iov_len;
+
+		ceph_encode_32_safe(p, end, len, bad);
+		ceph_encode_copy_safe(p, end, buf, len, bad);
+	} else {
+		ceph_encode_32_safe(p, end, 0, bad);
+	}
+
+	return 0;
+bad:
+	return -ERANGE;
+}
+
+static void ceph_x_validate_tickets(struct ceph_auth_client *ac, int *pneed)
+{
+	int want = ac->want_keys;
+	struct ceph_x_info *xi = ac->private;
+	int service;
+
+	*pneed = ac->want_keys & ~(xi->have_keys);
+
+	for (service = 1; service <= want; service <<= 1) {
+		struct ceph_x_ticket_handler *th;
+
+		if (!(ac->want_keys & service))
+			continue;
+
+		if (*pneed & service)
+			continue;
+
+		th = get_ticket_handler(ac, service);
+
+		if (!th) {
+			*pneed |= service;
+			continue;
+		}
+
+		if (get_seconds() >= th->renew_after)
+			*pneed |= service;
+		if (get_seconds() >= th->expires)
+			xi->have_keys &= ~service;
+	}
+}
+
+
+static int ceph_x_build_request(struct ceph_auth_client *ac,
+				void *buf, void *end)
+{
+	struct ceph_x_info *xi = ac->private;
+	int need;
+	struct ceph_x_request_header *head = buf;
+	int ret;
+	struct ceph_x_ticket_handler *th =
+		get_ticket_handler(ac, CEPH_ENTITY_TYPE_AUTH);
+
+	ceph_x_validate_tickets(ac, &need);
+
+	dout("build_request want %x have %x need %x\n",
+	     ac->want_keys, xi->have_keys, need);
+
+	if (need & CEPH_ENTITY_TYPE_AUTH) {
+		struct ceph_x_authenticate *auth = (void *)(head + 1);
+		void *p = auth + 1;
+		struct ceph_x_challenge_blob tmp;
+		char tmp_enc[40];
+		u64 *u;
+
+		if (p > end)
+			return -ERANGE;
+
+		dout(" get_auth_session_key\n");
+		head->op = cpu_to_le16(CEPHX_GET_AUTH_SESSION_KEY);
+
+		/* encrypt and hash */
+		get_random_bytes(&auth->client_challenge, sizeof(u64));
+		tmp.client_challenge = auth->client_challenge;
+		tmp.server_challenge = cpu_to_le64(xi->server_challenge);
+		ret = ceph_x_encrypt(&xi->secret, &tmp, sizeof(tmp),
+				     tmp_enc, sizeof(tmp_enc));
+		if (ret < 0)
+			return ret;
+
+		auth->struct_v = 1;
+		auth->key = 0;
+		for (u = (u64 *)tmp_enc; u + 1 <= (u64 *)(tmp_enc + ret); u++)
+			auth->key ^= *u;
+		dout(" server_challenge %llx client_challenge %llx key %llx\n",
+		     xi->server_challenge, le64_to_cpu(auth->client_challenge),
+		     le64_to_cpu(auth->key));
+
+		/* now encode the old ticket if exists */
+		ret = ceph_x_encode_ticket(th, &p, end);
+		if (ret < 0)
+			return ret;
+
+		return p - buf;
+	}
+
+	if (need) {
+		void *p = head + 1;
+		struct ceph_x_service_ticket_request *req;
+
+		if (p > end)
+			return -ERANGE;
+		head->op = cpu_to_le16(CEPHX_GET_PRINCIPAL_SESSION_KEY);
+
+		BUG_ON(!th);
+		ret = ceph_x_build_authorizer(ac, th, &xi->auth_authorizer);
+		if (ret)
+			return ret;
+		ceph_encode_copy(&p, xi->auth_authorizer.buf->vec.iov_base,
+				 xi->auth_authorizer.buf->vec.iov_len);
+
+		req = p;
+		req->keys = cpu_to_le32(need);
+		p += sizeof(*req);
+		return p - buf;
+	}
+
+	return 0;
+}
+
+static int ceph_x_handle_reply(struct ceph_auth_client *ac, int result,
+			       void *buf, void *end)
+{
+	struct ceph_x_info *xi = ac->private;
+	struct ceph_x_reply_header *head = buf;
+	struct ceph_x_ticket_handler *th;
+	int len = end - buf;
+	int op;
+	int ret;
+
+	if (result)
+		return result;  /* XXX hmm? */
+
+	if (xi->starting) {
+		/* it's a hello */
+		struct ceph_x_server_challenge *sc = buf;
+
+		if (len != sizeof(*sc))
+			return -EINVAL;
+		xi->server_challenge = le64_to_cpu(sc->server_challenge);
+		dout("handle_reply got server challenge %llx\n",
+		     xi->server_challenge);
+		xi->starting = false;
+		xi->have_keys &= ~CEPH_ENTITY_TYPE_AUTH;
+		return -EAGAIN;
+	}
+
+	op = le32_to_cpu(head->op);
+	result = le32_to_cpu(head->result);
+	dout("handle_reply op %d result %d\n", op, result);
+	switch (op) {
+	case CEPHX_GET_AUTH_SESSION_KEY:
+		/* verify auth key */
+		ret = ceph_x_proc_ticket_reply(ac, &xi->secret,
+					       buf + sizeof(*head), end);
+		break;
+
+	case CEPHX_GET_PRINCIPAL_SESSION_KEY:
+		th = get_ticket_handler(ac, CEPH_ENTITY_TYPE_AUTH);
+		BUG_ON(!th);
+		ret = ceph_x_proc_ticket_reply(ac, &th->session_key,
+					       buf + sizeof(*head), end);
+		break;
+
+	default:
+		return -EINVAL;
+	}
+	if (ret)
+		return ret;
+	if (ac->want_keys == xi->have_keys)
+		return 0;
+	return -EAGAIN;
+}
+
+static int ceph_x_create_authorizer(
+	struct ceph_auth_client *ac, int peer_type,
+	struct ceph_authorizer **a,
+	void **buf, size_t *len,
+	void **reply_buf, size_t *reply_len)
+{
+	struct ceph_x_authorizer *au;
+	struct ceph_x_ticket_handler *th;
+	int ret;
+
+	th = get_ticket_handler(ac, peer_type);
+	if (IS_ERR(th))
+		return PTR_ERR(th);
+
+	au = kzalloc(sizeof(*au), GFP_NOFS);
+	if (!au)
+		return -ENOMEM;
+
+	ret = ceph_x_build_authorizer(ac, th, au);
+	if (ret) {
+		kfree(au);
+		return ret;
+	}
+
+	*a = (struct ceph_authorizer *)au;
+	*buf = au->buf->vec.iov_base;
+	*len = au->buf->vec.iov_len;
+	*reply_buf = au->reply_buf;
+	*reply_len = sizeof(au->reply_buf);
+	return 0;
+}
+
+static int ceph_x_verify_authorizer_reply(struct ceph_auth_client *ac,
+					  struct ceph_authorizer *a, size_t len)
+{
+	struct ceph_x_authorizer *au = (void *)a;
+	struct ceph_x_ticket_handler *th;
+	int ret = 0;
+	struct ceph_x_authorize_reply reply;
+	void *p = au->reply_buf;
+	void *end = p + sizeof(au->reply_buf);
+
+	th = get_ticket_handler(ac, au->service);
+	if (!th)
+		return -EIO;  /* hrm! */
+	ret = ceph_x_decrypt(&th->session_key, &p, end, &reply, sizeof(reply));
+	if (ret < 0)
+		return ret;
+	if (ret != sizeof(reply))
+		return -EPERM;
+
+	if (au->nonce + 1 != le64_to_cpu(reply.nonce_plus_one))
+		ret = -EPERM;
+	else
+		ret = 0;
+	dout("verify_authorizer_reply nonce %llx got %llx ret %d\n",
+	     au->nonce, le64_to_cpu(reply.nonce_plus_one), ret);
+	return ret;
+}
+
+static void ceph_x_destroy_authorizer(struct ceph_auth_client *ac,
+				      struct ceph_authorizer *a)
+{
+	struct ceph_x_authorizer *au = (void *)a;
+
+	ceph_buffer_put(au->buf);
+	kfree(au);
+}
+
+
+static void ceph_x_reset(struct ceph_auth_client *ac)
+{
+	struct ceph_x_info *xi = ac->private;
+
+	dout("reset\n");
+	xi->starting = true;
+	xi->server_challenge = 0;
+}
+
+static void ceph_x_destroy(struct ceph_auth_client *ac)
+{
+	struct ceph_x_info *xi = ac->private;
+	struct rb_node *p;
+
+	dout("ceph_x_destroy %p\n", ac);
+	ceph_crypto_key_destroy(&xi->secret);
+
+	while ((p = rb_first(&xi->ticket_handlers)) != NULL) {
+		struct ceph_x_ticket_handler *th =
+			rb_entry(p, struct ceph_x_ticket_handler, node);
+		remove_ticket_handler(ac, th);
+	}
+
+	kmem_cache_destroy(ceph_x_ticketbuf_cachep);
+
+	kfree(ac->private);
+	ac->private = NULL;
+}
+
+static void ceph_x_invalidate_authorizer(struct ceph_auth_client *ac,
+				   int peer_type)
+{
+	struct ceph_x_ticket_handler *th;
+
+	th = get_ticket_handler(ac, peer_type);
+	if (th && !IS_ERR(th))
+		remove_ticket_handler(ac, th);
+}
+
+
+static const struct ceph_auth_client_ops ceph_x_ops = {
+	.is_authenticated = ceph_x_is_authenticated,
+	.build_request = ceph_x_build_request,
+	.handle_reply = ceph_x_handle_reply,
+	.create_authorizer = ceph_x_create_authorizer,
+	.verify_authorizer_reply = ceph_x_verify_authorizer_reply,
+	.destroy_authorizer = ceph_x_destroy_authorizer,
+	.invalidate_authorizer = ceph_x_invalidate_authorizer,
+	.reset =  ceph_x_reset,
+	.destroy = ceph_x_destroy,
+};
+
+
+int ceph_x_init(struct ceph_auth_client *ac)
+{
+	struct ceph_x_info *xi;
+	int ret;
+
+	dout("ceph_x_init %p\n", ac);
+	xi = kzalloc(sizeof(*xi), GFP_NOFS);
+	if (!xi)
+		return -ENOMEM;
+
+	ret = -ENOMEM;
+	ceph_x_ticketbuf_cachep = kmem_cache_create("ceph_x_ticketbuf",
+				      TEMP_TICKET_BUF_LEN, 8,
+				      (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD),
+				      NULL);
+	if (!ceph_x_ticketbuf_cachep)
+		goto done_nomem;
+	ret = -EINVAL;
+	if (!ac->secret) {
+		pr_err("no secret set (for auth_x protocol)\n");
+		goto done_nomem;
+	}
+
+	ret = ceph_crypto_key_unarmor(&xi->secret, ac->secret);
+	if (ret)
+		goto done_nomem;
+
+	xi->starting = true;
+	xi->ticket_handlers = RB_ROOT;
+
+	ac->protocol = CEPH_AUTH_CEPHX;
+	ac->private = xi;
+	ac->ops = &ceph_x_ops;
+	return 0;
+
+done_nomem:
+	kfree(xi);
+	if (ceph_x_ticketbuf_cachep)
+		kmem_cache_destroy(ceph_x_ticketbuf_cachep);
+	return ret;
+}
+
+
diff --git a/fs/ceph/auth_x.h b/fs/ceph/auth_x.h
new file mode 100644
index 000000000000..ff6f8180e681
--- /dev/null
+++ b/fs/ceph/auth_x.h
@@ -0,0 +1,49 @@
+#ifndef _FS_CEPH_AUTH_X_H
+#define _FS_CEPH_AUTH_X_H
+
+#include <linux/rbtree.h>
+
+#include "crypto.h"
+#include "auth.h"
+#include "auth_x_protocol.h"
+
+/*
+ * Handle ticket for a single service.
+ */
+struct ceph_x_ticket_handler {
+	struct rb_node node;
+	unsigned service;
+
+	struct ceph_crypto_key session_key;
+	struct ceph_timespec validity;
+
+	u64 secret_id;
+	struct ceph_buffer *ticket_blob;
+
+	unsigned long renew_after, expires;
+};
+
+
+struct ceph_x_authorizer {
+	struct ceph_buffer *buf;
+	unsigned service;
+	u64 nonce;
+	char reply_buf[128];  /* big enough for encrypted blob */
+};
+
+struct ceph_x_info {
+	struct ceph_crypto_key secret;
+
+	bool starting;
+	u64 server_challenge;
+
+	unsigned have_keys;
+	struct rb_root ticket_handlers;
+
+	struct ceph_x_authorizer auth_authorizer;
+};
+
+extern int ceph_x_init(struct ceph_auth_client *ac);
+
+#endif
+
diff --git a/fs/ceph/auth_x_protocol.h b/fs/ceph/auth_x_protocol.h
new file mode 100644
index 000000000000..671d30576c4f
--- /dev/null
+++ b/fs/ceph/auth_x_protocol.h
@@ -0,0 +1,90 @@
+#ifndef __FS_CEPH_AUTH_X_PROTOCOL
+#define __FS_CEPH_AUTH_X_PROTOCOL
+
+#define CEPHX_GET_AUTH_SESSION_KEY      0x0100
+#define CEPHX_GET_PRINCIPAL_SESSION_KEY 0x0200
+#define CEPHX_GET_ROTATING_KEY          0x0400
+
+/* common bits */
+struct ceph_x_ticket_blob {
+	__u8 struct_v;
+	__le64 secret_id;
+	__le32 blob_len;
+	char blob[];
+} __attribute__ ((packed));
+
+
+/* common request/reply headers */
+struct ceph_x_request_header {
+	__le16 op;
+} __attribute__ ((packed));
+
+struct ceph_x_reply_header {
+	__le16 op;
+	__le32 result;
+} __attribute__ ((packed));
+
+
+/* authenticate handshake */
+
+/* initial hello (no reply header) */
+struct ceph_x_server_challenge {
+	__u8 struct_v;
+	__le64 server_challenge;
+} __attribute__ ((packed));
+
+struct ceph_x_authenticate {
+	__u8 struct_v;
+	__le64 client_challenge;
+	__le64 key;
+	/* ticket blob */
+} __attribute__ ((packed));
+
+struct ceph_x_service_ticket_request {
+	__u8 struct_v;
+	__le32 keys;
+} __attribute__ ((packed));
+
+struct ceph_x_challenge_blob {
+	__le64 server_challenge;
+	__le64 client_challenge;
+} __attribute__ ((packed));
+
+
+
+/* authorize handshake */
+
+/*
+ * The authorizer consists of two pieces:
+ *  a - service id, ticket blob
+ *  b - encrypted with session key
+ */
+struct ceph_x_authorize_a {
+	__u8 struct_v;
+	__le64 global_id;
+	__le32 service_id;
+	struct ceph_x_ticket_blob ticket_blob;
+} __attribute__ ((packed));
+
+struct ceph_x_authorize_b {
+	__u8 struct_v;
+	__le64 nonce;
+} __attribute__ ((packed));
+
+struct ceph_x_authorize_reply {
+	__u8 struct_v;
+	__le64 nonce_plus_one;
+} __attribute__ ((packed));
+
+
+/*
+ * encyption bundle
+ */
+#define CEPHX_ENC_MAGIC 0xff009cad8826aa55ull
+
+struct ceph_x_encrypt_header {
+	__u8 struct_v;
+	__le64 magic;
+} __attribute__ ((packed));
+
+#endif
diff --git a/fs/ceph/buffer.c b/fs/ceph/buffer.c
new file mode 100644
index 000000000000..b98086c7aeba
--- /dev/null
+++ b/fs/ceph/buffer.c
@@ -0,0 +1,78 @@
+
+#include "ceph_debug.h"
+#include "buffer.h"
+#include "decode.h"
+
+struct ceph_buffer *ceph_buffer_new(size_t len, gfp_t gfp)
+{
+	struct ceph_buffer *b;
+
+	b = kmalloc(sizeof(*b), gfp);
+	if (!b)
+		return NULL;
+
+	b->vec.iov_base = kmalloc(len, gfp | __GFP_NOWARN);
+	if (b->vec.iov_base) {
+		b->is_vmalloc = false;
+	} else {
+		b->vec.iov_base = __vmalloc(len, gfp, PAGE_KERNEL);
+		if (!b->vec.iov_base) {
+			kfree(b);
+			return NULL;
+		}
+		b->is_vmalloc = true;
+	}
+
+	kref_init(&b->kref);
+	b->alloc_len = len;
+	b->vec.iov_len = len;
+	dout("buffer_new %p\n", b);
+	return b;
+}
+
+void ceph_buffer_release(struct kref *kref)
+{
+	struct ceph_buffer *b = container_of(kref, struct ceph_buffer, kref);
+
+	dout("buffer_release %p\n", b);
+	if (b->vec.iov_base) {
+		if (b->is_vmalloc)
+			vfree(b->vec.iov_base);
+		else
+			kfree(b->vec.iov_base);
+	}
+	kfree(b);
+}
+
+int ceph_buffer_alloc(struct ceph_buffer *b, int len, gfp_t gfp)
+{
+	b->vec.iov_base = kmalloc(len, gfp | __GFP_NOWARN);
+	if (b->vec.iov_base) {
+		b->is_vmalloc = false;
+	} else {
+		b->vec.iov_base = __vmalloc(len, gfp, PAGE_KERNEL);
+		b->is_vmalloc = true;
+	}
+	if (!b->vec.iov_base)
+		return -ENOMEM;
+	b->alloc_len = len;
+	b->vec.iov_len = len;
+	return 0;
+}
+
+int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end)
+{
+	size_t len;
+
+	ceph_decode_need(p, end, sizeof(u32), bad);
+	len = ceph_decode_32(p);
+	dout("decode_buffer len %d\n", (int)len);
+	ceph_decode_need(p, end, len, bad);
+	*b = ceph_buffer_new(len, GFP_NOFS);
+	if (!*b)
+		return -ENOMEM;
+	ceph_decode_copy(p, (*b)->vec.iov_base, len);
+	return 0;
+bad:
+	return -EINVAL;
+}
diff --git a/fs/ceph/buffer.h b/fs/ceph/buffer.h
new file mode 100644
index 000000000000..58d19014068f
--- /dev/null
+++ b/fs/ceph/buffer.h
@@ -0,0 +1,39 @@
+#ifndef __FS_CEPH_BUFFER_H
+#define __FS_CEPH_BUFFER_H
+
+#include <linux/kref.h>
+#include <linux/mm.h>
+#include <linux/vmalloc.h>
+#include <linux/types.h>
+#include <linux/uio.h>
+
+/*
+ * a simple reference counted buffer.
+ *
+ * use kmalloc for small sizes (<= one page), vmalloc for larger
+ * sizes.
+ */
+struct ceph_buffer {
+	struct kref kref;
+	struct kvec vec;
+	size_t alloc_len;
+	bool is_vmalloc;
+};
+
+extern struct ceph_buffer *ceph_buffer_new(size_t len, gfp_t gfp);
+extern void ceph_buffer_release(struct kref *kref);
+
+static inline struct ceph_buffer *ceph_buffer_get(struct ceph_buffer *b)
+{
+	kref_get(&b->kref);
+	return b;
+}
+
+static inline void ceph_buffer_put(struct ceph_buffer *b)
+{
+	kref_put(&b->kref, ceph_buffer_release);
+}
+
+extern int ceph_decode_buffer(struct ceph_buffer **b, void **p, void *end);
+
+#endif
diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
new file mode 100644
index 000000000000..7d0a0d0adc18
--- /dev/null
+++ b/fs/ceph/caps.c
@@ -0,0 +1,2932 @@
+#include "ceph_debug.h"
+
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/vmalloc.h>
+#include <linux/wait.h>
+#include <linux/writeback.h>
+
+#include "super.h"
+#include "decode.h"
+#include "messenger.h"
+
+/*
+ * Capability management
+ *
+ * The Ceph metadata servers control client access to inode metadata
+ * and file data by issuing capabilities, granting clients permission
+ * to read and/or write both inode field and file data to OSDs
+ * (storage nodes).  Each capability consists of a set of bits
+ * indicating which operations are allowed.
+ *
+ * If the client holds a *_SHARED cap, the client has a coherent value
+ * that can be safely read from the cached inode.
+ *
+ * In the case of a *_EXCL (exclusive) or FILE_WR capabilities, the
+ * client is allowed to change inode attributes (e.g., file size,
+ * mtime), note its dirty state in the ceph_cap, and asynchronously
+ * flush that metadata change to the MDS.
+ *
+ * In the event of a conflicting operation (perhaps by another
+ * client), the MDS will revoke the conflicting client capabilities.
+ *
+ * In order for a client to cache an inode, it must hold a capability
+ * with at least one MDS server.  When inodes are released, release
+ * notifications are batched and periodically sent en masse to the MDS
+ * cluster to release server state.
+ */
+
+
+/*
+ * Generate readable cap strings for debugging output.
+ */
+#define MAX_CAP_STR 20
+static char cap_str[MAX_CAP_STR][40];
+static DEFINE_SPINLOCK(cap_str_lock);
+static int last_cap_str;
+
+static char *gcap_string(char *s, int c)
+{
+	if (c & CEPH_CAP_GSHARED)
+		*s++ = 's';
+	if (c & CEPH_CAP_GEXCL)
+		*s++ = 'x';
+	if (c & CEPH_CAP_GCACHE)
+		*s++ = 'c';
+	if (c & CEPH_CAP_GRD)
+		*s++ = 'r';
+	if (c & CEPH_CAP_GWR)
+		*s++ = 'w';
+	if (c & CEPH_CAP_GBUFFER)
+		*s++ = 'b';
+	if (c & CEPH_CAP_GLAZYIO)
+		*s++ = 'l';
+	return s;
+}
+
+const char *ceph_cap_string(int caps)
+{
+	int i;
+	char *s;
+	int c;
+
+	spin_lock(&cap_str_lock);
+	i = last_cap_str++;
+	if (last_cap_str == MAX_CAP_STR)
+		last_cap_str = 0;
+	spin_unlock(&cap_str_lock);
+
+	s = cap_str[i];
+
+	if (caps & CEPH_CAP_PIN)
+		*s++ = 'p';
+
+	c = (caps >> CEPH_CAP_SAUTH) & 3;
+	if (c) {
+		*s++ = 'A';
+		s = gcap_string(s, c);
+	}
+
+	c = (caps >> CEPH_CAP_SLINK) & 3;
+	if (c) {
+		*s++ = 'L';
+		s = gcap_string(s, c);
+	}
+
+	c = (caps >> CEPH_CAP_SXATTR) & 3;
+	if (c) {
+		*s++ = 'X';
+		s = gcap_string(s, c);
+	}
+
+	c = caps >> CEPH_CAP_SFILE;
+	if (c) {
+		*s++ = 'F';
+		s = gcap_string(s, c);
+	}
+
+	if (s == cap_str[i])
+		*s++ = '-';
+	*s = 0;
+	return cap_str[i];
+}
+
+/*
+ * Cap reservations
+ *
+ * Maintain a global pool of preallocated struct ceph_caps, referenced
+ * by struct ceph_caps_reservations.  This ensures that we preallocate
+ * memory needed to successfully process an MDS response.  (If an MDS
+ * sends us cap information and we fail to process it, we will have
+ * problems due to the client and MDS being out of sync.)
+ *
+ * Reservations are 'owned' by a ceph_cap_reservation context.
+ */
+static spinlock_t caps_list_lock;
+static struct list_head caps_list;  /* unused (reserved or unreserved) */
+static int caps_total_count;        /* total caps allocated */
+static int caps_use_count;          /* in use */
+static int caps_reserve_count;      /* unused, reserved */
+static int caps_avail_count;        /* unused, unreserved */
+static int caps_min_count;          /* keep at least this many (unreserved) */
+
+void __init ceph_caps_init(void)
+{
+	INIT_LIST_HEAD(&caps_list);
+	spin_lock_init(&caps_list_lock);
+}
+
+void ceph_caps_finalize(void)
+{
+	struct ceph_cap *cap;
+
+	spin_lock(&caps_list_lock);
+	while (!list_empty(&caps_list)) {
+		cap = list_first_entry(&caps_list, struct ceph_cap, caps_item);
+		list_del(&cap->caps_item);
+		kmem_cache_free(ceph_cap_cachep, cap);
+	}
+	caps_total_count = 0;
+	caps_avail_count = 0;
+	caps_use_count = 0;
+	caps_reserve_count = 0;
+	caps_min_count = 0;
+	spin_unlock(&caps_list_lock);
+}
+
+void ceph_adjust_min_caps(int delta)
+{
+	spin_lock(&caps_list_lock);
+	caps_min_count += delta;
+	BUG_ON(caps_min_count < 0);
+	spin_unlock(&caps_list_lock);
+}
+
+int ceph_reserve_caps(struct ceph_cap_reservation *ctx, int need)
+{
+	int i;
+	struct ceph_cap *cap;
+	int have;
+	int alloc = 0;
+	LIST_HEAD(newcaps);
+	int ret = 0;
+
+	dout("reserve caps ctx=%p need=%d\n", ctx, need);
+
+	/* first reserve any caps that are already allocated */
+	spin_lock(&caps_list_lock);
+	if (caps_avail_count >= need)
+		have = need;
+	else
+		have = caps_avail_count;
+	caps_avail_count -= have;
+	caps_reserve_count += have;
+	BUG_ON(caps_total_count != caps_use_count + caps_reserve_count +
+	       caps_avail_count);
+	spin_unlock(&caps_list_lock);
+
+	for (i = have; i < need; i++) {
+		cap = kmem_cache_alloc(ceph_cap_cachep, GFP_NOFS);
+		if (!cap) {
+			ret = -ENOMEM;
+			goto out_alloc_count;
+		}
+		list_add(&cap->caps_item, &newcaps);
+		alloc++;
+	}
+	BUG_ON(have + alloc != need);
+
+	spin_lock(&caps_list_lock);
+	caps_total_count += alloc;
+	caps_reserve_count += alloc;
+	list_splice(&newcaps, &caps_list);
+
+	BUG_ON(caps_total_count != caps_use_count + caps_reserve_count +
+	       caps_avail_count);
+	spin_unlock(&caps_list_lock);
+
+	ctx->count = need;
+	dout("reserve caps ctx=%p %d = %d used + %d resv + %d avail\n",
+	     ctx, caps_total_count, caps_use_count, caps_reserve_count,
+	     caps_avail_count);
+	return 0;
+
+out_alloc_count:
+	/* we didn't manage to reserve as much as we needed */
+	pr_warning("reserve caps ctx=%p ENOMEM need=%d got=%d\n",
+		   ctx, need, have);
+	return ret;
+}
+
+int ceph_unreserve_caps(struct ceph_cap_reservation *ctx)
+{
+	dout("unreserve caps ctx=%p count=%d\n", ctx, ctx->count);
+	if (ctx->count) {
+		spin_lock(&caps_list_lock);
+		BUG_ON(caps_reserve_count < ctx->count);
+		caps_reserve_count -= ctx->count;
+		caps_avail_count += ctx->count;
+		ctx->count = 0;
+		dout("unreserve caps %d = %d used + %d resv + %d avail\n",
+		     caps_total_count, caps_use_count, caps_reserve_count,
+		     caps_avail_count);
+		BUG_ON(caps_total_count != caps_use_count + caps_reserve_count +
+		       caps_avail_count);
+		spin_unlock(&caps_list_lock);
+	}
+	return 0;
+}
+
+static struct ceph_cap *get_cap(struct ceph_cap_reservation *ctx)
+{
+	struct ceph_cap *cap = NULL;
+
+	/* temporary, until we do something about cap import/export */
+	if (!ctx)
+		return kmem_cache_alloc(ceph_cap_cachep, GFP_NOFS);
+
+	spin_lock(&caps_list_lock);
+	dout("get_cap ctx=%p (%d) %d = %d used + %d resv + %d avail\n",
+	     ctx, ctx->count, caps_total_count, caps_use_count,
+	     caps_reserve_count, caps_avail_count);
+	BUG_ON(!ctx->count);
+	BUG_ON(ctx->count > caps_reserve_count);
+	BUG_ON(list_empty(&caps_list));
+
+	ctx->count--;
+	caps_reserve_count--;
+	caps_use_count++;
+
+	cap = list_first_entry(&caps_list, struct ceph_cap, caps_item);
+	list_del(&cap->caps_item);
+
+	BUG_ON(caps_total_count != caps_use_count + caps_reserve_count +
+	       caps_avail_count);
+	spin_unlock(&caps_list_lock);
+	return cap;
+}
+
+void ceph_put_cap(struct ceph_cap *cap)
+{
+	spin_lock(&caps_list_lock);
+	dout("put_cap %p %d = %d used + %d resv + %d avail\n",
+	     cap, caps_total_count, caps_use_count,
+	     caps_reserve_count, caps_avail_count);
+	caps_use_count--;
+	/*
+	 * Keep some preallocated caps around (ceph_min_count), to
+	 * avoid lots of free/alloc churn.
+	 */
+	if (caps_avail_count >= caps_reserve_count + caps_min_count) {
+		caps_total_count--;
+		kmem_cache_free(ceph_cap_cachep, cap);
+	} else {
+		caps_avail_count++;
+		list_add(&cap->caps_item, &caps_list);
+	}
+
+	BUG_ON(caps_total_count != caps_use_count + caps_reserve_count +
+	       caps_avail_count);
+	spin_unlock(&caps_list_lock);
+}
+
+void ceph_reservation_status(struct ceph_client *client,
+			     int *total, int *avail, int *used, int *reserved,
+			     int *min)
+{
+	if (total)
+		*total = caps_total_count;
+	if (avail)
+		*avail = caps_avail_count;
+	if (used)
+		*used = caps_use_count;
+	if (reserved)
+		*reserved = caps_reserve_count;
+	if (min)
+		*min = caps_min_count;
+}
+
+/*
+ * Find ceph_cap for given mds, if any.
+ *
+ * Called with i_lock held.
+ */
+static struct ceph_cap *__get_cap_for_mds(struct ceph_inode_info *ci, int mds)
+{
+	struct ceph_cap *cap;
+	struct rb_node *n = ci->i_caps.rb_node;
+
+	while (n) {
+		cap = rb_entry(n, struct ceph_cap, ci_node);
+		if (mds < cap->mds)
+			n = n->rb_left;
+		else if (mds > cap->mds)
+			n = n->rb_right;
+		else
+			return cap;
+	}
+	return NULL;
+}
+
+/*
+ * Return id of any MDS with a cap, preferably FILE_WR|WRBUFFER|EXCL, else
+ * -1.
+ */
+static int __ceph_get_cap_mds(struct ceph_inode_info *ci, u32 *mseq)
+{
+	struct ceph_cap *cap;
+	int mds = -1;
+	struct rb_node *p;
+
+	/* prefer mds with WR|WRBUFFER|EXCL caps */
+	for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
+		cap = rb_entry(p, struct ceph_cap, ci_node);
+		mds = cap->mds;
+		if (mseq)
+			*mseq = cap->mseq;
+		if (cap->issued & (CEPH_CAP_FILE_WR |
+				   CEPH_CAP_FILE_BUFFER |
+				   CEPH_CAP_FILE_EXCL))
+			break;
+	}
+	return mds;
+}
+
+int ceph_get_cap_mds(struct inode *inode)
+{
+	int mds;
+	spin_lock(&inode->i_lock);
+	mds = __ceph_get_cap_mds(ceph_inode(inode), NULL);
+	spin_unlock(&inode->i_lock);
+	return mds;
+}
+
+/*
+ * Called under i_lock.
+ */
+static void __insert_cap_node(struct ceph_inode_info *ci,
+			      struct ceph_cap *new)
+{
+	struct rb_node **p = &ci->i_caps.rb_node;
+	struct rb_node *parent = NULL;
+	struct ceph_cap *cap = NULL;
+
+	while (*p) {
+		parent = *p;
+		cap = rb_entry(parent, struct ceph_cap, ci_node);
+		if (new->mds < cap->mds)
+			p = &(*p)->rb_left;
+		else if (new->mds > cap->mds)
+			p = &(*p)->rb_right;
+		else
+			BUG();
+	}
+
+	rb_link_node(&new->ci_node, parent, p);
+	rb_insert_color(&new->ci_node, &ci->i_caps);
+}
+
+/*
+ * (re)set cap hold timeouts, which control the delayed release
+ * of unused caps back to the MDS.  Should be called on cap use.
+ */
+static void __cap_set_timeouts(struct ceph_mds_client *mdsc,
+			       struct ceph_inode_info *ci)
+{
+	struct ceph_mount_args *ma = mdsc->client->mount_args;
+
+	ci->i_hold_caps_min = round_jiffies(jiffies +
+					    ma->caps_wanted_delay_min * HZ);
+	ci->i_hold_caps_max = round_jiffies(jiffies +
+					    ma->caps_wanted_delay_max * HZ);
+	dout("__cap_set_timeouts %p min %lu max %lu\n", &ci->vfs_inode,
+	     ci->i_hold_caps_min - jiffies, ci->i_hold_caps_max - jiffies);
+}
+
+/*
+ * (Re)queue cap at the end of the delayed cap release list.
+ *
+ * If I_FLUSH is set, leave the inode at the front of the list.
+ *
+ * Caller holds i_lock
+ *    -> we take mdsc->cap_delay_lock
+ */
+static void __cap_delay_requeue(struct ceph_mds_client *mdsc,
+				struct ceph_inode_info *ci)
+{
+	__cap_set_timeouts(mdsc, ci);
+	dout("__cap_delay_requeue %p flags %d at %lu\n", &ci->vfs_inode,
+	     ci->i_ceph_flags, ci->i_hold_caps_max);
+	if (!mdsc->stopping) {
+		spin_lock(&mdsc->cap_delay_lock);
+		if (!list_empty(&ci->i_cap_delay_list)) {
+			if (ci->i_ceph_flags & CEPH_I_FLUSH)
+				goto no_change;
+			list_del_init(&ci->i_cap_delay_list);
+		}
+		list_add_tail(&ci->i_cap_delay_list, &mdsc->cap_delay_list);
+no_change:
+		spin_unlock(&mdsc->cap_delay_lock);
+	}
+}
+
+/*
+ * Queue an inode for immediate writeback.  Mark inode with I_FLUSH,
+ * indicating we should send a cap message to flush dirty metadata
+ * asap, and move to the front of the delayed cap list.
+ */
+static void __cap_delay_requeue_front(struct ceph_mds_client *mdsc,
+				      struct ceph_inode_info *ci)
+{
+	dout("__cap_delay_requeue_front %p\n", &ci->vfs_inode);
+	spin_lock(&mdsc->cap_delay_lock);
+	ci->i_ceph_flags |= CEPH_I_FLUSH;
+	if (!list_empty(&ci->i_cap_delay_list))
+		list_del_init(&ci->i_cap_delay_list);
+	list_add(&ci->i_cap_delay_list, &mdsc->cap_delay_list);
+	spin_unlock(&mdsc->cap_delay_lock);
+}
+
+/*
+ * Cancel delayed work on cap.
+ *
+ * Caller must hold i_lock.
+ */
+static void __cap_delay_cancel(struct ceph_mds_client *mdsc,
+			       struct ceph_inode_info *ci)
+{
+	dout("__cap_delay_cancel %p\n", &ci->vfs_inode);
+	if (list_empty(&ci->i_cap_delay_list))
+		return;
+	spin_lock(&mdsc->cap_delay_lock);
+	list_del_init(&ci->i_cap_delay_list);
+	spin_unlock(&mdsc->cap_delay_lock);
+}
+
+/*
+ * Common issue checks for add_cap, handle_cap_grant.
+ */
+static void __check_cap_issue(struct ceph_inode_info *ci, struct ceph_cap *cap,
+			      unsigned issued)
+{
+	unsigned had = __ceph_caps_issued(ci, NULL);
+
+	/*
+	 * Each time we receive FILE_CACHE anew, we increment
+	 * i_rdcache_gen.
+	 */
+	if ((issued & CEPH_CAP_FILE_CACHE) &&
+	    (had & CEPH_CAP_FILE_CACHE) == 0)
+		ci->i_rdcache_gen++;
+
+	/*
+	 * if we are newly issued FILE_SHARED, clear I_COMPLETE; we
+	 * don't know what happened to this directory while we didn't
+	 * have the cap.
+	 */
+	if ((issued & CEPH_CAP_FILE_SHARED) &&
+	    (had & CEPH_CAP_FILE_SHARED) == 0) {
+		ci->i_shared_gen++;
+		if (S_ISDIR(ci->vfs_inode.i_mode)) {
+			dout(" marking %p NOT complete\n", &ci->vfs_inode);
+			ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
+		}
+	}
+}
+
+/*
+ * Add a capability under the given MDS session.
+ *
+ * Caller should hold session snap_rwsem (read) and s_mutex.
+ *
+ * @fmode is the open file mode, if we are opening a file, otherwise
+ * it is < 0.  (This is so we can atomically add the cap and add an
+ * open file reference to it.)
+ */
+int ceph_add_cap(struct inode *inode,
+		 struct ceph_mds_session *session, u64 cap_id,
+		 int fmode, unsigned issued, unsigned wanted,
+		 unsigned seq, unsigned mseq, u64 realmino, int flags,
+		 struct ceph_cap_reservation *caps_reservation)
+{
+	struct ceph_mds_client *mdsc = &ceph_inode_to_client(inode)->mdsc;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_cap *new_cap = NULL;
+	struct ceph_cap *cap;
+	int mds = session->s_mds;
+	int actual_wanted;
+
+	dout("add_cap %p mds%d cap %llx %s seq %d\n", inode,
+	     session->s_mds, cap_id, ceph_cap_string(issued), seq);
+
+	/*
+	 * If we are opening the file, include file mode wanted bits
+	 * in wanted.
+	 */
+	if (fmode >= 0)
+		wanted |= ceph_caps_for_mode(fmode);
+
+retry:
+	spin_lock(&inode->i_lock);
+	cap = __get_cap_for_mds(ci, mds);
+	if (!cap) {
+		if (new_cap) {
+			cap = new_cap;
+			new_cap = NULL;
+		} else {
+			spin_unlock(&inode->i_lock);
+			new_cap = get_cap(caps_reservation);
+			if (new_cap == NULL)
+				return -ENOMEM;
+			goto retry;
+		}
+
+		cap->issued = 0;
+		cap->implemented = 0;
+		cap->mds = mds;
+		cap->mds_wanted = 0;
+
+		cap->ci = ci;
+		__insert_cap_node(ci, cap);
+
+		/* clear out old exporting info?  (i.e. on cap import) */
+		if (ci->i_cap_exporting_mds == mds) {
+			ci->i_cap_exporting_issued = 0;
+			ci->i_cap_exporting_mseq = 0;
+			ci->i_cap_exporting_mds = -1;
+		}
+
+		/* add to session cap list */
+		cap->session = session;
+		spin_lock(&session->s_cap_lock);
+		list_add_tail(&cap->session_caps, &session->s_caps);
+		session->s_nr_caps++;
+		spin_unlock(&session->s_cap_lock);
+	}
+
+	if (!ci->i_snap_realm) {
+		/*
+		 * add this inode to the appropriate snap realm
+		 */
+		struct ceph_snap_realm *realm = ceph_lookup_snap_realm(mdsc,
+							       realmino);
+		if (realm) {
+			ceph_get_snap_realm(mdsc, realm);
+			spin_lock(&realm->inodes_with_caps_lock);
+			ci->i_snap_realm = realm;
+			list_add(&ci->i_snap_realm_item,
+				 &realm->inodes_with_caps);
+			spin_unlock(&realm->inodes_with_caps_lock);
+		} else {
+			pr_err("ceph_add_cap: couldn't find snap realm %llx\n",
+			       realmino);
+		}
+	}
+
+	__check_cap_issue(ci, cap, issued);
+
+	/*
+	 * If we are issued caps we don't want, or the mds' wanted
+	 * value appears to be off, queue a check so we'll release
+	 * later and/or update the mds wanted value.
+	 */
+	actual_wanted = __ceph_caps_wanted(ci);
+	if ((wanted & ~actual_wanted) ||
+	    (issued & ~actual_wanted & CEPH_CAP_ANY_WR)) {
+		dout(" issued %s, mds wanted %s, actual %s, queueing\n",
+		     ceph_cap_string(issued), ceph_cap_string(wanted),
+		     ceph_cap_string(actual_wanted));
+		__cap_delay_requeue(mdsc, ci);
+	}
+
+	if (flags & CEPH_CAP_FLAG_AUTH)
+		ci->i_auth_cap = cap;
+	else if (ci->i_auth_cap == cap)
+		ci->i_auth_cap = NULL;
+
+	dout("add_cap inode %p (%llx.%llx) cap %p %s now %s seq %d mds%d\n",
+	     inode, ceph_vinop(inode), cap, ceph_cap_string(issued),
+	     ceph_cap_string(issued|cap->issued), seq, mds);
+	cap->cap_id = cap_id;
+	cap->issued = issued;
+	cap->implemented |= issued;
+	cap->mds_wanted |= wanted;
+	cap->seq = seq;
+	cap->issue_seq = seq;
+	cap->mseq = mseq;
+	cap->cap_gen = session->s_cap_gen;
+
+	if (fmode >= 0)
+		__ceph_get_fmode(ci, fmode);
+	spin_unlock(&inode->i_lock);
+	wake_up(&ci->i_cap_wq);
+	return 0;
+}
+
+/*
+ * Return true if cap has not timed out and belongs to the current
+ * generation of the MDS session (i.e. has not gone 'stale' due to
+ * us losing touch with the mds).
+ */
+static int __cap_is_valid(struct ceph_cap *cap)
+{
+	unsigned long ttl;
+	u32 gen;
+
+	spin_lock(&cap->session->s_cap_lock);
+	gen = cap->session->s_cap_gen;
+	ttl = cap->session->s_cap_ttl;
+	spin_unlock(&cap->session->s_cap_lock);
+
+	if (cap->cap_gen < gen || time_after_eq(jiffies, ttl)) {
+		dout("__cap_is_valid %p cap %p issued %s "
+		     "but STALE (gen %u vs %u)\n", &cap->ci->vfs_inode,
+		     cap, ceph_cap_string(cap->issued), cap->cap_gen, gen);
+		return 0;
+	}
+
+	return 1;
+}
+
+/*
+ * Return set of valid cap bits issued to us.  Note that caps time
+ * out, and may be invalidated in bulk if the client session times out
+ * and session->s_cap_gen is bumped.
+ */
+int __ceph_caps_issued(struct ceph_inode_info *ci, int *implemented)
+{
+	int have = ci->i_snap_caps | ci->i_cap_exporting_issued;
+	struct ceph_cap *cap;
+	struct rb_node *p;
+
+	if (implemented)
+		*implemented = 0;
+	for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
+		cap = rb_entry(p, struct ceph_cap, ci_node);
+		if (!__cap_is_valid(cap))
+			continue;
+		dout("__ceph_caps_issued %p cap %p issued %s\n",
+		     &ci->vfs_inode, cap, ceph_cap_string(cap->issued));
+		have |= cap->issued;
+		if (implemented)
+			*implemented |= cap->implemented;
+	}
+	return have;
+}
+
+/*
+ * Get cap bits issued by caps other than @ocap
+ */
+int __ceph_caps_issued_other(struct ceph_inode_info *ci, struct ceph_cap *ocap)
+{
+	int have = ci->i_snap_caps;
+	struct ceph_cap *cap;
+	struct rb_node *p;
+
+	for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
+		cap = rb_entry(p, struct ceph_cap, ci_node);
+		if (cap == ocap)
+			continue;
+		if (!__cap_is_valid(cap))
+			continue;
+		have |= cap->issued;
+	}
+	return have;
+}
+
+/*
+ * Move a cap to the end of the LRU (oldest caps at list head, newest
+ * at list tail).
+ */
+static void __touch_cap(struct ceph_cap *cap)
+{
+	struct ceph_mds_session *s = cap->session;
+
+	spin_lock(&s->s_cap_lock);
+	if (s->s_cap_iterator == NULL) {
+		dout("__touch_cap %p cap %p mds%d\n", &cap->ci->vfs_inode, cap,
+		     s->s_mds);
+		list_move_tail(&cap->session_caps, &s->s_caps);
+	} else {
+		dout("__touch_cap %p cap %p mds%d NOP, iterating over caps\n",
+		     &cap->ci->vfs_inode, cap, s->s_mds);
+	}
+	spin_unlock(&s->s_cap_lock);
+}
+
+/*
+ * Check if we hold the given mask.  If so, move the cap(s) to the
+ * front of their respective LRUs.  (This is the preferred way for
+ * callers to check for caps they want.)
+ */
+int __ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask, int touch)
+{
+	struct ceph_cap *cap;
+	struct rb_node *p;
+	int have = ci->i_snap_caps;
+
+	if ((have & mask) == mask) {
+		dout("__ceph_caps_issued_mask %p snap issued %s"
+		     " (mask %s)\n", &ci->vfs_inode,
+		     ceph_cap_string(have),
+		     ceph_cap_string(mask));
+		return 1;
+	}
+
+	for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
+		cap = rb_entry(p, struct ceph_cap, ci_node);
+		if (!__cap_is_valid(cap))
+			continue;
+		if ((cap->issued & mask) == mask) {
+			dout("__ceph_caps_issued_mask %p cap %p issued %s"
+			     " (mask %s)\n", &ci->vfs_inode, cap,
+			     ceph_cap_string(cap->issued),
+			     ceph_cap_string(mask));
+			if (touch)
+				__touch_cap(cap);
+			return 1;
+		}
+
+		/* does a combination of caps satisfy mask? */
+		have |= cap->issued;
+		if ((have & mask) == mask) {
+			dout("__ceph_caps_issued_mask %p combo issued %s"
+			     " (mask %s)\n", &ci->vfs_inode,
+			     ceph_cap_string(cap->issued),
+			     ceph_cap_string(mask));
+			if (touch) {
+				struct rb_node *q;
+
+				/* touch this + preceeding caps */
+				__touch_cap(cap);
+				for (q = rb_first(&ci->i_caps); q != p;
+				     q = rb_next(q)) {
+					cap = rb_entry(q, struct ceph_cap,
+						       ci_node);
+					if (!__cap_is_valid(cap))
+						continue;
+					__touch_cap(cap);
+				}
+			}
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * Return true if mask caps are currently being revoked by an MDS.
+ */
+int ceph_caps_revoking(struct ceph_inode_info *ci, int mask)
+{
+	struct inode *inode = &ci->vfs_inode;
+	struct ceph_cap *cap;
+	struct rb_node *p;
+	int ret = 0;
+
+	spin_lock(&inode->i_lock);
+	for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
+		cap = rb_entry(p, struct ceph_cap, ci_node);
+		if (__cap_is_valid(cap) &&
+		    (cap->implemented & ~cap->issued & mask)) {
+			ret = 1;
+			break;
+		}
+	}
+	spin_unlock(&inode->i_lock);
+	dout("ceph_caps_revoking %p %s = %d\n", inode,
+	     ceph_cap_string(mask), ret);
+	return ret;
+}
+
+int __ceph_caps_used(struct ceph_inode_info *ci)
+{
+	int used = 0;
+	if (ci->i_pin_ref)
+		used |= CEPH_CAP_PIN;
+	if (ci->i_rd_ref)
+		used |= CEPH_CAP_FILE_RD;
+	if (ci->i_rdcache_ref || ci->i_rdcache_gen)
+		used |= CEPH_CAP_FILE_CACHE;
+	if (ci->i_wr_ref)
+		used |= CEPH_CAP_FILE_WR;
+	if (ci->i_wrbuffer_ref)
+		used |= CEPH_CAP_FILE_BUFFER;
+	return used;
+}
+
+/*
+ * wanted, by virtue of open file modes
+ */
+int __ceph_caps_file_wanted(struct ceph_inode_info *ci)
+{
+	int want = 0;
+	int mode;
+	for (mode = 0; mode < 4; mode++)
+		if (ci->i_nr_by_mode[mode])
+			want |= ceph_caps_for_mode(mode);
+	return want;
+}
+
+/*
+ * Return caps we have registered with the MDS(s) as 'wanted'.
+ */
+int __ceph_caps_mds_wanted(struct ceph_inode_info *ci)
+{
+	struct ceph_cap *cap;
+	struct rb_node *p;
+	int mds_wanted = 0;
+
+	for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
+		cap = rb_entry(p, struct ceph_cap, ci_node);
+		if (!__cap_is_valid(cap))
+			continue;
+		mds_wanted |= cap->mds_wanted;
+	}
+	return mds_wanted;
+}
+
+/*
+ * called under i_lock
+ */
+static int __ceph_is_any_caps(struct ceph_inode_info *ci)
+{
+	return !RB_EMPTY_ROOT(&ci->i_caps) || ci->i_cap_exporting_mds >= 0;
+}
+
+/*
+ * caller should hold i_lock.
+ * caller will not hold session s_mutex if called from destroy_inode.
+ */
+void __ceph_remove_cap(struct ceph_cap *cap)
+{
+	struct ceph_mds_session *session = cap->session;
+	struct ceph_inode_info *ci = cap->ci;
+	struct ceph_mds_client *mdsc = &ceph_client(ci->vfs_inode.i_sb)->mdsc;
+
+	dout("__ceph_remove_cap %p from %p\n", cap, &ci->vfs_inode);
+
+	/* remove from inode list */
+	rb_erase(&cap->ci_node, &ci->i_caps);
+	cap->ci = NULL;
+	if (ci->i_auth_cap == cap)
+		ci->i_auth_cap = NULL;
+
+	/* remove from session list */
+	spin_lock(&session->s_cap_lock);
+	if (session->s_cap_iterator == cap) {
+		/* not yet, we are iterating over this very cap */
+		dout("__ceph_remove_cap  delaying %p removal from session %p\n",
+		     cap, cap->session);
+	} else {
+		list_del_init(&cap->session_caps);
+		session->s_nr_caps--;
+		cap->session = NULL;
+	}
+	spin_unlock(&session->s_cap_lock);
+
+	if (cap->session == NULL)
+		ceph_put_cap(cap);
+
+	if (!__ceph_is_any_caps(ci) && ci->i_snap_realm) {
+		struct ceph_snap_realm *realm = ci->i_snap_realm;
+		spin_lock(&realm->inodes_with_caps_lock);
+		list_del_init(&ci->i_snap_realm_item);
+		ci->i_snap_realm_counter++;
+		ci->i_snap_realm = NULL;
+		spin_unlock(&realm->inodes_with_caps_lock);
+		ceph_put_snap_realm(mdsc, realm);
+	}
+	if (!__ceph_is_any_real_caps(ci))
+		__cap_delay_cancel(mdsc, ci);
+}
+
+/*
+ * Build and send a cap message to the given MDS.
+ *
+ * Caller should be holding s_mutex.
+ */
+static int send_cap_msg(struct ceph_mds_session *session,
+			u64 ino, u64 cid, int op,
+			int caps, int wanted, int dirty,
+			u32 seq, u64 flush_tid, u32 issue_seq, u32 mseq,
+			u64 size, u64 max_size,
+			struct timespec *mtime, struct timespec *atime,
+			u64 time_warp_seq,
+			uid_t uid, gid_t gid, mode_t mode,
+			u64 xattr_version,
+			struct ceph_buffer *xattrs_buf,
+			u64 follows)
+{
+	struct ceph_mds_caps *fc;
+	struct ceph_msg *msg;
+
+	dout("send_cap_msg %s %llx %llx caps %s wanted %s dirty %s"
+	     " seq %u/%u mseq %u follows %lld size %llu/%llu"
+	     " xattr_ver %llu xattr_len %d\n", ceph_cap_op_name(op),
+	     cid, ino, ceph_cap_string(caps), ceph_cap_string(wanted),
+	     ceph_cap_string(dirty),
+	     seq, issue_seq, mseq, follows, size, max_size,
+	     xattr_version, xattrs_buf ? (int)xattrs_buf->vec.iov_len : 0);
+
+	msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPS, sizeof(*fc), 0, 0, NULL);
+	if (IS_ERR(msg))
+		return PTR_ERR(msg);
+
+	msg->hdr.tid = cpu_to_le64(flush_tid);
+
+	fc = msg->front.iov_base;
+	memset(fc, 0, sizeof(*fc));
+
+	fc->cap_id = cpu_to_le64(cid);
+	fc->op = cpu_to_le32(op);
+	fc->seq = cpu_to_le32(seq);
+	fc->issue_seq = cpu_to_le32(issue_seq);
+	fc->migrate_seq = cpu_to_le32(mseq);
+	fc->caps = cpu_to_le32(caps);
+	fc->wanted = cpu_to_le32(wanted);
+	fc->dirty = cpu_to_le32(dirty);
+	fc->ino = cpu_to_le64(ino);
+	fc->snap_follows = cpu_to_le64(follows);
+
+	fc->size = cpu_to_le64(size);
+	fc->max_size = cpu_to_le64(max_size);
+	if (mtime)
+		ceph_encode_timespec(&fc->mtime, mtime);
+	if (atime)
+		ceph_encode_timespec(&fc->atime, atime);
+	fc->time_warp_seq = cpu_to_le32(time_warp_seq);
+
+	fc->uid = cpu_to_le32(uid);
+	fc->gid = cpu_to_le32(gid);
+	fc->mode = cpu_to_le32(mode);
+
+	fc->xattr_version = cpu_to_le64(xattr_version);
+	if (xattrs_buf) {
+		msg->middle = ceph_buffer_get(xattrs_buf);
+		fc->xattr_len = cpu_to_le32(xattrs_buf->vec.iov_len);
+		msg->hdr.middle_len = cpu_to_le32(xattrs_buf->vec.iov_len);
+	}
+
+	ceph_con_send(&session->s_con, msg);
+	return 0;
+}
+
+/*
+ * Queue cap releases when an inode is dropped from our cache.  Since
+ * inode is about to be destroyed, there is no need for i_lock.
+ */
+void ceph_queue_caps_release(struct inode *inode)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct rb_node *p;
+
+	p = rb_first(&ci->i_caps);
+	while (p) {
+		struct ceph_cap *cap = rb_entry(p, struct ceph_cap, ci_node);
+		struct ceph_mds_session *session = cap->session;
+		struct ceph_msg *msg;
+		struct ceph_mds_cap_release *head;
+		struct ceph_mds_cap_item *item;
+
+		spin_lock(&session->s_cap_lock);
+		BUG_ON(!session->s_num_cap_releases);
+		msg = list_first_entry(&session->s_cap_releases,
+				       struct ceph_msg, list_head);
+
+		dout(" adding %p release to mds%d msg %p (%d left)\n",
+		     inode, session->s_mds, msg, session->s_num_cap_releases);
+
+		BUG_ON(msg->front.iov_len + sizeof(*item) > PAGE_CACHE_SIZE);
+		head = msg->front.iov_base;
+		head->num = cpu_to_le32(le32_to_cpu(head->num) + 1);
+		item = msg->front.iov_base + msg->front.iov_len;
+		item->ino = cpu_to_le64(ceph_ino(inode));
+		item->cap_id = cpu_to_le64(cap->cap_id);
+		item->migrate_seq = cpu_to_le32(cap->mseq);
+		item->seq = cpu_to_le32(cap->issue_seq);
+
+		session->s_num_cap_releases--;
+
+		msg->front.iov_len += sizeof(*item);
+		if (le32_to_cpu(head->num) == CEPH_CAPS_PER_RELEASE) {
+			dout(" release msg %p full\n", msg);
+			list_move_tail(&msg->list_head,
+				       &session->s_cap_releases_done);
+		} else {
+			dout(" release msg %p at %d/%d (%d)\n", msg,
+			     (int)le32_to_cpu(head->num),
+			     (int)CEPH_CAPS_PER_RELEASE,
+			     (int)msg->front.iov_len);
+		}
+		spin_unlock(&session->s_cap_lock);
+		p = rb_next(p);
+		__ceph_remove_cap(cap);
+	}
+}
+
+/*
+ * Send a cap msg on the given inode.  Update our caps state, then
+ * drop i_lock and send the message.
+ *
+ * Make note of max_size reported/requested from mds, revoked caps
+ * that have now been implemented.
+ *
+ * Make half-hearted attempt ot to invalidate page cache if we are
+ * dropping RDCACHE.  Note that this will leave behind locked pages
+ * that we'll then need to deal with elsewhere.
+ *
+ * Return non-zero if delayed release, or we experienced an error
+ * such that the caller should requeue + retry later.
+ *
+ * called with i_lock, then drops it.
+ * caller should hold snap_rwsem (read), s_mutex.
+ */
+static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap,
+		      int op, int used, int want, int retain, int flushing,
+		      unsigned *pflush_tid)
+	__releases(cap->ci->vfs_inode->i_lock)
+{
+	struct ceph_inode_info *ci = cap->ci;
+	struct inode *inode = &ci->vfs_inode;
+	u64 cap_id = cap->cap_id;
+	int held, revoking, dropping, keep;
+	u64 seq, issue_seq, mseq, time_warp_seq, follows;
+	u64 size, max_size;
+	struct timespec mtime, atime;
+	int wake = 0;
+	mode_t mode;
+	uid_t uid;
+	gid_t gid;
+	struct ceph_mds_session *session;
+	u64 xattr_version = 0;
+	int delayed = 0;
+	u64 flush_tid = 0;
+	int i;
+	int ret;
+
+	held = cap->issued | cap->implemented;
+	revoking = cap->implemented & ~cap->issued;
+	retain &= ~revoking;
+	dropping = cap->issued & ~retain;
+
+	dout("__send_cap %p cap %p session %p %s -> %s (revoking %s)\n",
+	     inode, cap, cap->session,
+	     ceph_cap_string(held), ceph_cap_string(held & retain),
+	     ceph_cap_string(revoking));
+	BUG_ON((retain & CEPH_CAP_PIN) == 0);
+
+	session = cap->session;
+
+	/* don't release wanted unless we've waited a bit. */
+	if ((ci->i_ceph_flags & CEPH_I_NODELAY) == 0 &&
+	    time_before(jiffies, ci->i_hold_caps_min)) {
+		dout(" delaying issued %s -> %s, wanted %s -> %s on send\n",
+		     ceph_cap_string(cap->issued),
+		     ceph_cap_string(cap->issued & retain),
+		     ceph_cap_string(cap->mds_wanted),
+		     ceph_cap_string(want));
+		want |= cap->mds_wanted;
+		retain |= cap->issued;
+		delayed = 1;
+	}
+	ci->i_ceph_flags &= ~(CEPH_I_NODELAY | CEPH_I_FLUSH);
+
+	cap->issued &= retain;  /* drop bits we don't want */
+	if (cap->implemented & ~cap->issued) {
+		/*
+		 * Wake up any waiters on wanted -> needed transition.
+		 * This is due to the weird transition from buffered
+		 * to sync IO... we need to flush dirty pages _before_
+		 * allowing sync writes to avoid reordering.
+		 */
+		wake = 1;
+	}
+	cap->implemented &= cap->issued | used;
+	cap->mds_wanted = want;
+
+	if (flushing) {
+		/*
+		 * assign a tid for flush operations so we can avoid
+		 * flush1 -> dirty1 -> flush2 -> flushack1 -> mark
+		 * clean type races.  track latest tid for every bit
+		 * so we can handle flush AxFw, flush Fw, and have the
+		 * first ack clean Ax.
+		 */
+		flush_tid = ++ci->i_cap_flush_last_tid;
+		if (pflush_tid)
+			*pflush_tid = flush_tid;
+		dout(" cap_flush_tid %d\n", (int)flush_tid);
+		for (i = 0; i < CEPH_CAP_BITS; i++)
+			if (flushing & (1 << i))
+				ci->i_cap_flush_tid[i] = flush_tid;
+	}
+
+	keep = cap->implemented;
+	seq = cap->seq;
+	issue_seq = cap->issue_seq;
+	mseq = cap->mseq;
+	size = inode->i_size;
+	ci->i_reported_size = size;
+	max_size = ci->i_wanted_max_size;
+	ci->i_requested_max_size = max_size;
+	mtime = inode->i_mtime;
+	atime = inode->i_atime;
+	time_warp_seq = ci->i_time_warp_seq;
+	follows = ci->i_snap_realm->cached_context->seq;
+	uid = inode->i_uid;
+	gid = inode->i_gid;
+	mode = inode->i_mode;
+
+	if (dropping & CEPH_CAP_XATTR_EXCL) {
+		__ceph_build_xattrs_blob(ci);
+		xattr_version = ci->i_xattrs.version + 1;
+	}
+
+	spin_unlock(&inode->i_lock);
+
+	ret = send_cap_msg(session, ceph_vino(inode).ino, cap_id,
+		op, keep, want, flushing, seq, flush_tid, issue_seq, mseq,
+		size, max_size, &mtime, &atime, time_warp_seq,
+		uid, gid, mode,
+		xattr_version,
+		(flushing & CEPH_CAP_XATTR_EXCL) ? ci->i_xattrs.blob : NULL,
+		follows);
+	if (ret < 0) {
+		dout("error sending cap msg, must requeue %p\n", inode);
+		delayed = 1;
+	}
+
+	if (wake)
+		wake_up(&ci->i_cap_wq);
+
+	return delayed;
+}
+
+/*
+ * When a snapshot is taken, clients accumulate dirty metadata on
+ * inodes with capabilities in ceph_cap_snaps to describe the file
+ * state at the time the snapshot was taken.  This must be flushed
+ * asynchronously back to the MDS once sync writes complete and dirty
+ * data is written out.
+ *
+ * Called under i_lock.  Takes s_mutex as needed.
+ */
+void __ceph_flush_snaps(struct ceph_inode_info *ci,
+			struct ceph_mds_session **psession)
+{
+	struct inode *inode = &ci->vfs_inode;
+	int mds;
+	struct ceph_cap_snap *capsnap;
+	u32 mseq;
+	struct ceph_mds_client *mdsc = &ceph_inode_to_client(inode)->mdsc;
+	struct ceph_mds_session *session = NULL; /* if session != NULL, we hold
+						    session->s_mutex */
+	u64 next_follows = 0;  /* keep track of how far we've gotten through the
+			     i_cap_snaps list, and skip these entries next time
+			     around to avoid an infinite loop */
+
+	if (psession)
+		session = *psession;
+
+	dout("__flush_snaps %p\n", inode);
+retry:
+	list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {
+		/* avoid an infiniute loop after retry */
+		if (capsnap->follows < next_follows)
+			continue;
+		/*
+		 * we need to wait for sync writes to complete and for dirty
+		 * pages to be written out.
+		 */
+		if (capsnap->dirty_pages || capsnap->writing)
+			continue;
+
+		/* pick mds, take s_mutex */
+		mds = __ceph_get_cap_mds(ci, &mseq);
+		if (session && session->s_mds != mds) {
+			dout("oops, wrong session %p mutex\n", session);
+			mutex_unlock(&session->s_mutex);
+			ceph_put_mds_session(session);
+			session = NULL;
+		}
+		if (!session) {
+			spin_unlock(&inode->i_lock);
+			mutex_lock(&mdsc->mutex);
+			session = __ceph_lookup_mds_session(mdsc, mds);
+			mutex_unlock(&mdsc->mutex);
+			if (session) {
+				dout("inverting session/ino locks on %p\n",
+				     session);
+				mutex_lock(&session->s_mutex);
+			}
+			/*
+			 * if session == NULL, we raced against a cap
+			 * deletion.  retry, and we'll get a better
+			 * @mds value next time.
+			 */
+			spin_lock(&inode->i_lock);
+			goto retry;
+		}
+
+		capsnap->flush_tid = ++ci->i_cap_flush_last_tid;
+		atomic_inc(&capsnap->nref);
+		if (!list_empty(&capsnap->flushing_item))
+			list_del_init(&capsnap->flushing_item);
+		list_add_tail(&capsnap->flushing_item,
+			      &session->s_cap_snaps_flushing);
+		spin_unlock(&inode->i_lock);
+
+		dout("flush_snaps %p cap_snap %p follows %lld size %llu\n",
+		     inode, capsnap, next_follows, capsnap->size);
+		send_cap_msg(session, ceph_vino(inode).ino, 0,
+			     CEPH_CAP_OP_FLUSHSNAP, capsnap->issued, 0,
+			     capsnap->dirty, 0, capsnap->flush_tid, 0, mseq,
+			     capsnap->size, 0,
+			     &capsnap->mtime, &capsnap->atime,
+			     capsnap->time_warp_seq,
+			     capsnap->uid, capsnap->gid, capsnap->mode,
+			     0, NULL,
+			     capsnap->follows);
+
+		next_follows = capsnap->follows + 1;
+		ceph_put_cap_snap(capsnap);
+
+		spin_lock(&inode->i_lock);
+		goto retry;
+	}
+
+	/* we flushed them all; remove this inode from the queue */
+	spin_lock(&mdsc->snap_flush_lock);
+	list_del_init(&ci->i_snap_flush_item);
+	spin_unlock(&mdsc->snap_flush_lock);
+
+	if (psession)
+		*psession = session;
+	else if (session) {
+		mutex_unlock(&session->s_mutex);
+		ceph_put_mds_session(session);
+	}
+}
+
+static void ceph_flush_snaps(struct ceph_inode_info *ci)
+{
+	struct inode *inode = &ci->vfs_inode;
+
+	spin_lock(&inode->i_lock);
+	__ceph_flush_snaps(ci, NULL);
+	spin_unlock(&inode->i_lock);
+}
+
+/*
+ * Mark caps dirty.  If inode is newly dirty, add to the global dirty
+ * list.
+ */
+void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask)
+{
+	struct ceph_mds_client *mdsc = &ceph_client(ci->vfs_inode.i_sb)->mdsc;
+	struct inode *inode = &ci->vfs_inode;
+	int was = ci->i_dirty_caps;
+	int dirty = 0;
+
+	dout("__mark_dirty_caps %p %s dirty %s -> %s\n", &ci->vfs_inode,
+	     ceph_cap_string(mask), ceph_cap_string(was),
+	     ceph_cap_string(was | mask));
+	ci->i_dirty_caps |= mask;
+	if (was == 0) {
+		dout(" inode %p now dirty\n", &ci->vfs_inode);
+		BUG_ON(!list_empty(&ci->i_dirty_item));
+		spin_lock(&mdsc->cap_dirty_lock);
+		list_add(&ci->i_dirty_item, &mdsc->cap_dirty);
+		spin_unlock(&mdsc->cap_dirty_lock);
+		if (ci->i_flushing_caps == 0) {
+			igrab(inode);
+			dirty |= I_DIRTY_SYNC;
+		}
+	}
+	BUG_ON(list_empty(&ci->i_dirty_item));
+	if (((was | ci->i_flushing_caps) & CEPH_CAP_FILE_BUFFER) &&
+	    (mask & CEPH_CAP_FILE_BUFFER))
+		dirty |= I_DIRTY_DATASYNC;
+	if (dirty)
+		__mark_inode_dirty(inode, dirty);
+	__cap_delay_requeue(mdsc, ci);
+}
+
+/*
+ * Add dirty inode to the flushing list.  Assigned a seq number so we
+ * can wait for caps to flush without starving.
+ *
+ * Called under i_lock.
+ */
+static int __mark_caps_flushing(struct inode *inode,
+				 struct ceph_mds_session *session)
+{
+	struct ceph_mds_client *mdsc = &ceph_client(inode->i_sb)->mdsc;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int flushing;
+
+	BUG_ON(ci->i_dirty_caps == 0);
+	BUG_ON(list_empty(&ci->i_dirty_item));
+
+	flushing = ci->i_dirty_caps;
+	dout("__mark_caps_flushing flushing %s, flushing_caps %s -> %s\n",
+	     ceph_cap_string(flushing),
+	     ceph_cap_string(ci->i_flushing_caps),
+	     ceph_cap_string(ci->i_flushing_caps | flushing));
+	ci->i_flushing_caps |= flushing;
+	ci->i_dirty_caps = 0;
+	dout(" inode %p now !dirty\n", inode);
+
+	spin_lock(&mdsc->cap_dirty_lock);
+	list_del_init(&ci->i_dirty_item);
+
+	ci->i_cap_flush_seq = ++mdsc->cap_flush_seq;
+	if (list_empty(&ci->i_flushing_item)) {
+		list_add_tail(&ci->i_flushing_item, &session->s_cap_flushing);
+		mdsc->num_cap_flushing++;
+		dout(" inode %p now flushing seq %lld\n", inode,
+		     ci->i_cap_flush_seq);
+	} else {
+		list_move_tail(&ci->i_flushing_item, &session->s_cap_flushing);
+		dout(" inode %p now flushing (more) seq %lld\n", inode,
+		     ci->i_cap_flush_seq);
+	}
+	spin_unlock(&mdsc->cap_dirty_lock);
+
+	return flushing;
+}
+
+/*
+ * try to invalidate mapping pages without blocking.
+ */
+static int mapping_is_empty(struct address_space *mapping)
+{
+	struct page *page = find_get_page(mapping, 0);
+
+	if (!page)
+		return 1;
+
+	put_page(page);
+	return 0;
+}
+
+static int try_nonblocking_invalidate(struct inode *inode)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	u32 invalidating_gen = ci->i_rdcache_gen;
+
+	spin_unlock(&inode->i_lock);
+	invalidate_mapping_pages(&inode->i_data, 0, -1);
+	spin_lock(&inode->i_lock);
+
+	if (mapping_is_empty(&inode->i_data) &&
+	    invalidating_gen == ci->i_rdcache_gen) {
+		/* success. */
+		dout("try_nonblocking_invalidate %p success\n", inode);
+		ci->i_rdcache_gen = 0;
+		ci->i_rdcache_revoking = 0;
+		return 0;
+	}
+	dout("try_nonblocking_invalidate %p failed\n", inode);
+	return -1;
+}
+
+/*
+ * Swiss army knife function to examine currently used and wanted
+ * versus held caps.  Release, flush, ack revoked caps to mds as
+ * appropriate.
+ *
+ *  CHECK_CAPS_NODELAY - caller is delayed work and we should not delay
+ *    cap release further.
+ *  CHECK_CAPS_AUTHONLY - we should only check the auth cap
+ *  CHECK_CAPS_FLUSH - we should flush any dirty caps immediately, without
+ *    further delay.
+ */
+void ceph_check_caps(struct ceph_inode_info *ci, int flags,
+		     struct ceph_mds_session *session)
+	__releases(session->s_mutex)
+{
+	struct ceph_client *client = ceph_inode_to_client(&ci->vfs_inode);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct inode *inode = &ci->vfs_inode;
+	struct ceph_cap *cap;
+	int file_wanted, used;
+	int took_snap_rwsem = 0;             /* true if mdsc->snap_rwsem held */
+	int issued, implemented, want, retain, revoking, flushing = 0;
+	int mds = -1;   /* keep track of how far we've gone through i_caps list
+			   to avoid an infinite loop on retry */
+	struct rb_node *p;
+	int tried_invalidate = 0;
+	int delayed = 0, sent = 0, force_requeue = 0, num;
+	int queue_invalidate = 0;
+	int is_delayed = flags & CHECK_CAPS_NODELAY;
+
+	/* if we are unmounting, flush any unused caps immediately. */
+	if (mdsc->stopping)
+		is_delayed = 1;
+
+	spin_lock(&inode->i_lock);
+
+	if (ci->i_ceph_flags & CEPH_I_FLUSH)
+		flags |= CHECK_CAPS_FLUSH;
+
+	/* flush snaps first time around only */
+	if (!list_empty(&ci->i_cap_snaps))
+		__ceph_flush_snaps(ci, &session);
+	goto retry_locked;
+retry:
+	spin_lock(&inode->i_lock);
+retry_locked:
+	file_wanted = __ceph_caps_file_wanted(ci);
+	used = __ceph_caps_used(ci);
+	want = file_wanted | used;
+	issued = __ceph_caps_issued(ci, &implemented);
+	revoking = implemented & ~issued;
+
+	retain = want | CEPH_CAP_PIN;
+	if (!mdsc->stopping && inode->i_nlink > 0) {
+		if (want) {
+			retain |= CEPH_CAP_ANY;       /* be greedy */
+		} else {
+			retain |= CEPH_CAP_ANY_SHARED;
+			/*
+			 * keep RD only if we didn't have the file open RW,
+			 * because then the mds would revoke it anyway to
+			 * journal max_size=0.
+			 */
+			if (ci->i_max_size == 0)
+				retain |= CEPH_CAP_ANY_RD;
+		}
+	}
+
+	dout("check_caps %p file_want %s used %s dirty %s flushing %s"
+	     " issued %s revoking %s retain %s %s%s%s\n", inode,
+	     ceph_cap_string(file_wanted),
+	     ceph_cap_string(used), ceph_cap_string(ci->i_dirty_caps),
+	     ceph_cap_string(ci->i_flushing_caps),
+	     ceph_cap_string(issued), ceph_cap_string(revoking),
+	     ceph_cap_string(retain),
+	     (flags & CHECK_CAPS_AUTHONLY) ? " AUTHONLY" : "",
+	     (flags & CHECK_CAPS_NODELAY) ? " NODELAY" : "",
+	     (flags & CHECK_CAPS_FLUSH) ? " FLUSH" : "");
+
+	/*
+	 * If we no longer need to hold onto old our caps, and we may
+	 * have cached pages, but don't want them, then try to invalidate.
+	 * If we fail, it's because pages are locked.... try again later.
+	 */
+	if ((!is_delayed || mdsc->stopping) &&
+	    ci->i_wrbuffer_ref == 0 &&               /* no dirty pages... */
+	    ci->i_rdcache_gen &&                     /* may have cached pages */
+	    (file_wanted == 0 ||                     /* no open files */
+	     (revoking & CEPH_CAP_FILE_CACHE)) &&     /*  or revoking cache */
+	    !tried_invalidate) {
+		dout("check_caps trying to invalidate on %p\n", inode);
+		if (try_nonblocking_invalidate(inode) < 0) {
+			if (revoking & CEPH_CAP_FILE_CACHE) {
+				dout("check_caps queuing invalidate\n");
+				queue_invalidate = 1;
+				ci->i_rdcache_revoking = ci->i_rdcache_gen;
+			} else {
+				dout("check_caps failed to invalidate pages\n");
+				/* we failed to invalidate pages.  check these
+				   caps again later. */
+				force_requeue = 1;
+				__cap_set_timeouts(mdsc, ci);
+			}
+		}
+		tried_invalidate = 1;
+		goto retry_locked;
+	}
+
+	num = 0;
+	for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
+		cap = rb_entry(p, struct ceph_cap, ci_node);
+		num++;
+
+		/* avoid looping forever */
+		if (mds >= cap->mds ||
+		    ((flags & CHECK_CAPS_AUTHONLY) && cap != ci->i_auth_cap))
+			continue;
+
+		/* NOTE: no side-effects allowed, until we take s_mutex */
+
+		revoking = cap->implemented & ~cap->issued;
+		if (revoking)
+			dout(" mds%d revoking %s\n", cap->mds,
+			     ceph_cap_string(revoking));
+
+		if (cap == ci->i_auth_cap &&
+		    (cap->issued & CEPH_CAP_FILE_WR)) {
+			/* request larger max_size from MDS? */
+			if (ci->i_wanted_max_size > ci->i_max_size &&
+			    ci->i_wanted_max_size > ci->i_requested_max_size) {
+				dout("requesting new max_size\n");
+				goto ack;
+			}
+
+			/* approaching file_max? */
+			if ((inode->i_size << 1) >= ci->i_max_size &&
+			    (ci->i_reported_size << 1) < ci->i_max_size) {
+				dout("i_size approaching max_size\n");
+				goto ack;
+			}
+		}
+		/* flush anything dirty? */
+		if (cap == ci->i_auth_cap && (flags & CHECK_CAPS_FLUSH) &&
+		    ci->i_dirty_caps) {
+			dout("flushing dirty caps\n");
+			goto ack;
+		}
+
+		/* completed revocation? going down and there are no caps? */
+		if (revoking && (revoking & used) == 0) {
+			dout("completed revocation of %s\n",
+			     ceph_cap_string(cap->implemented & ~cap->issued));
+			goto ack;
+		}
+
+		/* want more caps from mds? */
+		if (want & ~(cap->mds_wanted | cap->issued))
+			goto ack;
+
+		/* things we might delay */
+		if ((cap->issued & ~retain) == 0 &&
+		    cap->mds_wanted == want)
+			continue;     /* nope, all good */
+
+		if (is_delayed)
+			goto ack;
+
+		/* delay? */
+		if ((ci->i_ceph_flags & CEPH_I_NODELAY) == 0 &&
+		    time_before(jiffies, ci->i_hold_caps_max)) {
+			dout(" delaying issued %s -> %s, wanted %s -> %s\n",
+			     ceph_cap_string(cap->issued),
+			     ceph_cap_string(cap->issued & retain),
+			     ceph_cap_string(cap->mds_wanted),
+			     ceph_cap_string(want));
+			delayed++;
+			continue;
+		}
+
+ack:
+		if (ci->i_ceph_flags & CEPH_I_NOFLUSH) {
+			dout(" skipping %p I_NOFLUSH set\n", inode);
+			continue;
+		}
+
+		if (session && session != cap->session) {
+			dout("oops, wrong session %p mutex\n", session);
+			mutex_unlock(&session->s_mutex);
+			session = NULL;
+		}
+		if (!session) {
+			session = cap->session;
+			if (mutex_trylock(&session->s_mutex) == 0) {
+				dout("inverting session/ino locks on %p\n",
+				     session);
+				spin_unlock(&inode->i_lock);
+				if (took_snap_rwsem) {
+					up_read(&mdsc->snap_rwsem);
+					took_snap_rwsem = 0;
+				}
+				mutex_lock(&session->s_mutex);
+				goto retry;
+			}
+		}
+		/* take snap_rwsem after session mutex */
+		if (!took_snap_rwsem) {
+			if (down_read_trylock(&mdsc->snap_rwsem) == 0) {
+				dout("inverting snap/in locks on %p\n",
+				     inode);
+				spin_unlock(&inode->i_lock);
+				down_read(&mdsc->snap_rwsem);
+				took_snap_rwsem = 1;
+				goto retry;
+			}
+			took_snap_rwsem = 1;
+		}
+
+		if (cap == ci->i_auth_cap && ci->i_dirty_caps)
+			flushing = __mark_caps_flushing(inode, session);
+
+		mds = cap->mds;  /* remember mds, so we don't repeat */
+		sent++;
+
+		/* __send_cap drops i_lock */
+		delayed += __send_cap(mdsc, cap, CEPH_CAP_OP_UPDATE, used, want,
+				      retain, flushing, NULL);
+		goto retry; /* retake i_lock and restart our cap scan. */
+	}
+
+	/*
+	 * Reschedule delayed caps release if we delayed anything,
+	 * otherwise cancel.
+	 */
+	if (delayed && is_delayed)
+		force_requeue = 1;   /* __send_cap delayed release; requeue */
+	if (!delayed && !is_delayed)
+		__cap_delay_cancel(mdsc, ci);
+	else if (!is_delayed || force_requeue)
+		__cap_delay_requeue(mdsc, ci);
+
+	spin_unlock(&inode->i_lock);
+
+	if (queue_invalidate)
+		ceph_queue_invalidate(inode);
+
+	if (session)
+		mutex_unlock(&session->s_mutex);
+	if (took_snap_rwsem)
+		up_read(&mdsc->snap_rwsem);
+}
+
+/*
+ * Try to flush dirty caps back to the auth mds.
+ */
+static int try_flush_caps(struct inode *inode, struct ceph_mds_session *session,
+			  unsigned *flush_tid)
+{
+	struct ceph_mds_client *mdsc = &ceph_client(inode->i_sb)->mdsc;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int unlock_session = session ? 0 : 1;
+	int flushing = 0;
+
+retry:
+	spin_lock(&inode->i_lock);
+	if (ci->i_ceph_flags & CEPH_I_NOFLUSH) {
+		dout("try_flush_caps skipping %p I_NOFLUSH set\n", inode);
+		goto out;
+	}
+	if (ci->i_dirty_caps && ci->i_auth_cap) {
+		struct ceph_cap *cap = ci->i_auth_cap;
+		int used = __ceph_caps_used(ci);
+		int want = __ceph_caps_wanted(ci);
+		int delayed;
+
+		if (!session) {
+			spin_unlock(&inode->i_lock);
+			session = cap->session;
+			mutex_lock(&session->s_mutex);
+			goto retry;
+		}
+		BUG_ON(session != cap->session);
+		if (cap->session->s_state < CEPH_MDS_SESSION_OPEN)
+			goto out;
+
+		flushing = __mark_caps_flushing(inode, session);
+
+		/* __send_cap drops i_lock */
+		delayed = __send_cap(mdsc, cap, CEPH_CAP_OP_FLUSH, used, want,
+				     cap->issued | cap->implemented, flushing,
+				     flush_tid);
+		if (!delayed)
+			goto out_unlocked;
+
+		spin_lock(&inode->i_lock);
+		__cap_delay_requeue(mdsc, ci);
+	}
+out:
+	spin_unlock(&inode->i_lock);
+out_unlocked:
+	if (session && unlock_session)
+		mutex_unlock(&session->s_mutex);
+	return flushing;
+}
+
+/*
+ * Return true if we've flushed caps through the given flush_tid.
+ */
+static int caps_are_flushed(struct inode *inode, unsigned tid)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int dirty, i, ret = 1;
+
+	spin_lock(&inode->i_lock);
+	dirty = __ceph_caps_dirty(ci);
+	for (i = 0; i < CEPH_CAP_BITS; i++)
+		if ((ci->i_flushing_caps & (1 << i)) &&
+		    ci->i_cap_flush_tid[i] <= tid) {
+			/* still flushing this bit */
+			ret = 0;
+			break;
+		}
+	spin_unlock(&inode->i_lock);
+	return ret;
+}
+
+/*
+ * Wait on any unsafe replies for the given inode.  First wait on the
+ * newest request, and make that the upper bound.  Then, if there are
+ * more requests, keep waiting on the oldest as long as it is still older
+ * than the original request.
+ */
+static void sync_write_wait(struct inode *inode)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct list_head *head = &ci->i_unsafe_writes;
+	struct ceph_osd_request *req;
+	u64 last_tid;
+
+	spin_lock(&ci->i_unsafe_lock);
+	if (list_empty(head))
+		goto out;
+
+	/* set upper bound as _last_ entry in chain */
+	req = list_entry(head->prev, struct ceph_osd_request,
+			 r_unsafe_item);
+	last_tid = req->r_tid;
+
+	do {
+		ceph_osdc_get_request(req);
+		spin_unlock(&ci->i_unsafe_lock);
+		dout("sync_write_wait on tid %llu (until %llu)\n",
+		     req->r_tid, last_tid);
+		wait_for_completion(&req->r_safe_completion);
+		spin_lock(&ci->i_unsafe_lock);
+		ceph_osdc_put_request(req);
+
+		/*
+		 * from here on look at first entry in chain, since we
+		 * only want to wait for anything older than last_tid
+		 */
+		if (list_empty(head))
+			break;
+		req = list_entry(head->next, struct ceph_osd_request,
+				 r_unsafe_item);
+	} while (req->r_tid < last_tid);
+out:
+	spin_unlock(&ci->i_unsafe_lock);
+}
+
+int ceph_fsync(struct file *file, struct dentry *dentry, int datasync)
+{
+	struct inode *inode = dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	unsigned flush_tid;
+	int ret;
+	int dirty;
+
+	dout("fsync %p%s\n", inode, datasync ? " datasync" : "");
+	sync_write_wait(inode);
+
+	ret = filemap_write_and_wait(inode->i_mapping);
+	if (ret < 0)
+		return ret;
+
+	dirty = try_flush_caps(inode, NULL, &flush_tid);
+	dout("fsync dirty caps are %s\n", ceph_cap_string(dirty));
+
+	/*
+	 * only wait on non-file metadata writeback (the mds
+	 * can recover size and mtime, so we don't need to
+	 * wait for that)
+	 */
+	if (!datasync && (dirty & ~CEPH_CAP_ANY_FILE_WR)) {
+		dout("fsync waiting for flush_tid %u\n", flush_tid);
+		ret = wait_event_interruptible(ci->i_cap_wq,
+				       caps_are_flushed(inode, flush_tid));
+	}
+
+	dout("fsync %p%s done\n", inode, datasync ? " datasync" : "");
+	return ret;
+}
+
+/*
+ * Flush any dirty caps back to the mds.  If we aren't asked to wait,
+ * queue inode for flush but don't do so immediately, because we can
+ * get by with fewer MDS messages if we wait for data writeback to
+ * complete first.
+ */
+int ceph_write_inode(struct inode *inode, struct writeback_control *wbc)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	unsigned flush_tid;
+	int err = 0;
+	int dirty;
+	int wait = wbc->sync_mode == WB_SYNC_ALL;
+
+	dout("write_inode %p wait=%d\n", inode, wait);
+	if (wait) {
+		dirty = try_flush_caps(inode, NULL, &flush_tid);
+		if (dirty)
+			err = wait_event_interruptible(ci->i_cap_wq,
+				       caps_are_flushed(inode, flush_tid));
+	} else {
+		struct ceph_mds_client *mdsc = &ceph_client(inode->i_sb)->mdsc;
+
+		spin_lock(&inode->i_lock);
+		if (__ceph_caps_dirty(ci))
+			__cap_delay_requeue_front(mdsc, ci);
+		spin_unlock(&inode->i_lock);
+	}
+	return err;
+}
+
+/*
+ * After a recovering MDS goes active, we need to resend any caps
+ * we were flushing.
+ *
+ * Caller holds session->s_mutex.
+ */
+static void kick_flushing_capsnaps(struct ceph_mds_client *mdsc,
+				   struct ceph_mds_session *session)
+{
+	struct ceph_cap_snap *capsnap;
+
+	dout("kick_flushing_capsnaps mds%d\n", session->s_mds);
+	list_for_each_entry(capsnap, &session->s_cap_snaps_flushing,
+			    flushing_item) {
+		struct ceph_inode_info *ci = capsnap->ci;
+		struct inode *inode = &ci->vfs_inode;
+		struct ceph_cap *cap;
+
+		spin_lock(&inode->i_lock);
+		cap = ci->i_auth_cap;
+		if (cap && cap->session == session) {
+			dout("kick_flushing_caps %p cap %p capsnap %p\n", inode,
+			     cap, capsnap);
+			__ceph_flush_snaps(ci, &session);
+		} else {
+			pr_err("%p auth cap %p not mds%d ???\n", inode,
+			       cap, session->s_mds);
+			spin_unlock(&inode->i_lock);
+		}
+	}
+}
+
+void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc,
+			     struct ceph_mds_session *session)
+{
+	struct ceph_inode_info *ci;
+
+	kick_flushing_capsnaps(mdsc, session);
+
+	dout("kick_flushing_caps mds%d\n", session->s_mds);
+	list_for_each_entry(ci, &session->s_cap_flushing, i_flushing_item) {
+		struct inode *inode = &ci->vfs_inode;
+		struct ceph_cap *cap;
+		int delayed = 0;
+
+		spin_lock(&inode->i_lock);
+		cap = ci->i_auth_cap;
+		if (cap && cap->session == session) {
+			dout("kick_flushing_caps %p cap %p %s\n", inode,
+			     cap, ceph_cap_string(ci->i_flushing_caps));
+			delayed = __send_cap(mdsc, cap, CEPH_CAP_OP_FLUSH,
+					     __ceph_caps_used(ci),
+					     __ceph_caps_wanted(ci),
+					     cap->issued | cap->implemented,
+					     ci->i_flushing_caps, NULL);
+			if (delayed) {
+				spin_lock(&inode->i_lock);
+				__cap_delay_requeue(mdsc, ci);
+				spin_unlock(&inode->i_lock);
+			}
+		} else {
+			pr_err("%p auth cap %p not mds%d ???\n", inode,
+			       cap, session->s_mds);
+			spin_unlock(&inode->i_lock);
+		}
+	}
+}
+
+
+/*
+ * Take references to capabilities we hold, so that we don't release
+ * them to the MDS prematurely.
+ *
+ * Protected by i_lock.
+ */
+static void __take_cap_refs(struct ceph_inode_info *ci, int got)
+{
+	if (got & CEPH_CAP_PIN)
+		ci->i_pin_ref++;
+	if (got & CEPH_CAP_FILE_RD)
+		ci->i_rd_ref++;
+	if (got & CEPH_CAP_FILE_CACHE)
+		ci->i_rdcache_ref++;
+	if (got & CEPH_CAP_FILE_WR)
+		ci->i_wr_ref++;
+	if (got & CEPH_CAP_FILE_BUFFER) {
+		if (ci->i_wrbuffer_ref == 0)
+			igrab(&ci->vfs_inode);
+		ci->i_wrbuffer_ref++;
+		dout("__take_cap_refs %p wrbuffer %d -> %d (?)\n",
+		     &ci->vfs_inode, ci->i_wrbuffer_ref-1, ci->i_wrbuffer_ref);
+	}
+}
+
+/*
+ * Try to grab cap references.  Specify those refs we @want, and the
+ * minimal set we @need.  Also include the larger offset we are writing
+ * to (when applicable), and check against max_size here as well.
+ * Note that caller is responsible for ensuring max_size increases are
+ * requested from the MDS.
+ */
+static int try_get_cap_refs(struct ceph_inode_info *ci, int need, int want,
+			    int *got, loff_t endoff, int *check_max, int *err)
+{
+	struct inode *inode = &ci->vfs_inode;
+	int ret = 0;
+	int have, implemented;
+	int file_wanted;
+
+	dout("get_cap_refs %p need %s want %s\n", inode,
+	     ceph_cap_string(need), ceph_cap_string(want));
+	spin_lock(&inode->i_lock);
+
+	/* make sure file is actually open */
+	file_wanted = __ceph_caps_file_wanted(ci);
+	if ((file_wanted & need) == 0) {
+		dout("try_get_cap_refs need %s file_wanted %s, EBADF\n",
+		     ceph_cap_string(need), ceph_cap_string(file_wanted));
+		*err = -EBADF;
+		ret = 1;
+		goto out;
+	}
+
+	if (need & CEPH_CAP_FILE_WR) {
+		if (endoff >= 0 && endoff > (loff_t)ci->i_max_size) {
+			dout("get_cap_refs %p endoff %llu > maxsize %llu\n",
+			     inode, endoff, ci->i_max_size);
+			if (endoff > ci->i_wanted_max_size) {
+				*check_max = 1;
+				ret = 1;
+			}
+			goto out;
+		}
+		/*
+		 * If a sync write is in progress, we must wait, so that we
+		 * can get a final snapshot value for size+mtime.
+		 */
+		if (__ceph_have_pending_cap_snap(ci)) {
+			dout("get_cap_refs %p cap_snap_pending\n", inode);
+			goto out;
+		}
+	}
+	have = __ceph_caps_issued(ci, &implemented);
+
+	/*
+	 * disallow writes while a truncate is pending
+	 */
+	if (ci->i_truncate_pending)
+		have &= ~CEPH_CAP_FILE_WR;
+
+	if ((have & need) == need) {
+		/*
+		 * Look at (implemented & ~have & not) so that we keep waiting
+		 * on transition from wanted -> needed caps.  This is needed
+		 * for WRBUFFER|WR -> WR to avoid a new WR sync write from
+		 * going before a prior buffered writeback happens.
+		 */
+		int not = want & ~(have & need);
+		int revoking = implemented & ~have;
+		dout("get_cap_refs %p have %s but not %s (revoking %s)\n",
+		     inode, ceph_cap_string(have), ceph_cap_string(not),
+		     ceph_cap_string(revoking));
+		if ((revoking & not) == 0) {
+			*got = need | (have & want);
+			__take_cap_refs(ci, *got);
+			ret = 1;
+		}
+	} else {
+		dout("get_cap_refs %p have %s needed %s\n", inode,
+		     ceph_cap_string(have), ceph_cap_string(need));
+	}
+out:
+	spin_unlock(&inode->i_lock);
+	dout("get_cap_refs %p ret %d got %s\n", inode,
+	     ret, ceph_cap_string(*got));
+	return ret;
+}
+
+/*
+ * Check the offset we are writing up to against our current
+ * max_size.  If necessary, tell the MDS we want to write to
+ * a larger offset.
+ */
+static void check_max_size(struct inode *inode, loff_t endoff)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int check = 0;
+
+	/* do we need to explicitly request a larger max_size? */
+	spin_lock(&inode->i_lock);
+	if ((endoff >= ci->i_max_size ||
+	     endoff > (inode->i_size << 1)) &&
+	    endoff > ci->i_wanted_max_size) {
+		dout("write %p at large endoff %llu, req max_size\n",
+		     inode, endoff);
+		ci->i_wanted_max_size = endoff;
+		check = 1;
+	}
+	spin_unlock(&inode->i_lock);
+	if (check)
+		ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
+}
+
+/*
+ * Wait for caps, and take cap references.  If we can't get a WR cap
+ * due to a small max_size, make sure we check_max_size (and possibly
+ * ask the mds) so we don't get hung up indefinitely.
+ */
+int ceph_get_caps(struct ceph_inode_info *ci, int need, int want, int *got,
+		  loff_t endoff)
+{
+	int check_max, ret, err;
+
+retry:
+	if (endoff > 0)
+		check_max_size(&ci->vfs_inode, endoff);
+	check_max = 0;
+	err = 0;
+	ret = wait_event_interruptible(ci->i_cap_wq,
+				       try_get_cap_refs(ci, need, want,
+							got, endoff,
+							&check_max, &err));
+	if (err)
+		ret = err;
+	if (check_max)
+		goto retry;
+	return ret;
+}
+
+/*
+ * Take cap refs.  Caller must already know we hold at least one ref
+ * on the caps in question or we don't know this is safe.
+ */
+void ceph_get_cap_refs(struct ceph_inode_info *ci, int caps)
+{
+	spin_lock(&ci->vfs_inode.i_lock);
+	__take_cap_refs(ci, caps);
+	spin_unlock(&ci->vfs_inode.i_lock);
+}
+
+/*
+ * Release cap refs.
+ *
+ * If we released the last ref on any given cap, call ceph_check_caps
+ * to release (or schedule a release).
+ *
+ * If we are releasing a WR cap (from a sync write), finalize any affected
+ * cap_snap, and wake up any waiters.
+ */
+void ceph_put_cap_refs(struct ceph_inode_info *ci, int had)
+{
+	struct inode *inode = &ci->vfs_inode;
+	int last = 0, put = 0, flushsnaps = 0, wake = 0;
+	struct ceph_cap_snap *capsnap;
+
+	spin_lock(&inode->i_lock);
+	if (had & CEPH_CAP_PIN)
+		--ci->i_pin_ref;
+	if (had & CEPH_CAP_FILE_RD)
+		if (--ci->i_rd_ref == 0)
+			last++;
+	if (had & CEPH_CAP_FILE_CACHE)
+		if (--ci->i_rdcache_ref == 0)
+			last++;
+	if (had & CEPH_CAP_FILE_BUFFER) {
+		if (--ci->i_wrbuffer_ref == 0) {
+			last++;
+			put++;
+		}
+		dout("put_cap_refs %p wrbuffer %d -> %d (?)\n",
+		     inode, ci->i_wrbuffer_ref+1, ci->i_wrbuffer_ref);
+	}
+	if (had & CEPH_CAP_FILE_WR)
+		if (--ci->i_wr_ref == 0) {
+			last++;
+			if (!list_empty(&ci->i_cap_snaps)) {
+				capsnap = list_first_entry(&ci->i_cap_snaps,
+						     struct ceph_cap_snap,
+						     ci_item);
+				if (capsnap->writing) {
+					capsnap->writing = 0;
+					flushsnaps =
+						__ceph_finish_cap_snap(ci,
+								       capsnap);
+					wake = 1;
+				}
+			}
+		}
+	spin_unlock(&inode->i_lock);
+
+	dout("put_cap_refs %p had %s %s\n", inode, ceph_cap_string(had),
+	     last ? "last" : "");
+
+	if (last && !flushsnaps)
+		ceph_check_caps(ci, 0, NULL);
+	else if (flushsnaps)
+		ceph_flush_snaps(ci);
+	if (wake)
+		wake_up(&ci->i_cap_wq);
+	if (put)
+		iput(inode);
+}
+
+/*
+ * Release @nr WRBUFFER refs on dirty pages for the given @snapc snap
+ * context.  Adjust per-snap dirty page accounting as appropriate.
+ * Once all dirty data for a cap_snap is flushed, flush snapped file
+ * metadata back to the MDS.  If we dropped the last ref, call
+ * ceph_check_caps.
+ */
+void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr,
+				struct ceph_snap_context *snapc)
+{
+	struct inode *inode = &ci->vfs_inode;
+	int last = 0;
+	int last_snap = 0;
+	int found = 0;
+	struct ceph_cap_snap *capsnap = NULL;
+
+	spin_lock(&inode->i_lock);
+	ci->i_wrbuffer_ref -= nr;
+	last = !ci->i_wrbuffer_ref;
+
+	if (ci->i_head_snapc == snapc) {
+		ci->i_wrbuffer_ref_head -= nr;
+		if (!ci->i_wrbuffer_ref_head) {
+			ceph_put_snap_context(ci->i_head_snapc);
+			ci->i_head_snapc = NULL;
+		}
+		dout("put_wrbuffer_cap_refs on %p head %d/%d -> %d/%d %s\n",
+		     inode,
+		     ci->i_wrbuffer_ref+nr, ci->i_wrbuffer_ref_head+nr,
+		     ci->i_wrbuffer_ref, ci->i_wrbuffer_ref_head,
+		     last ? " LAST" : "");
+	} else {
+		list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {
+			if (capsnap->context == snapc) {
+				found = 1;
+				capsnap->dirty_pages -= nr;
+				last_snap = !capsnap->dirty_pages;
+				break;
+			}
+		}
+		BUG_ON(!found);
+		dout("put_wrbuffer_cap_refs on %p cap_snap %p "
+		     " snap %lld %d/%d -> %d/%d %s%s\n",
+		     inode, capsnap, capsnap->context->seq,
+		     ci->i_wrbuffer_ref+nr, capsnap->dirty_pages + nr,
+		     ci->i_wrbuffer_ref, capsnap->dirty_pages,
+		     last ? " (wrbuffer last)" : "",
+		     last_snap ? " (capsnap last)" : "");
+	}
+
+	spin_unlock(&inode->i_lock);
+
+	if (last) {
+		ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
+		iput(inode);
+	} else if (last_snap) {
+		ceph_flush_snaps(ci);
+		wake_up(&ci->i_cap_wq);
+	}
+}
+
+/*
+ * Handle a cap GRANT message from the MDS.  (Note that a GRANT may
+ * actually be a revocation if it specifies a smaller cap set.)
+ *
+ * caller holds s_mutex and i_lock, we drop both.
+ *
+ * return value:
+ *  0 - ok
+ *  1 - check_caps on auth cap only (writeback)
+ *  2 - check_caps (ack revoke)
+ */
+static void handle_cap_grant(struct inode *inode, struct ceph_mds_caps *grant,
+			     struct ceph_mds_session *session,
+			     struct ceph_cap *cap,
+			     struct ceph_buffer *xattr_buf)
+	__releases(inode->i_lock)
+	__releases(session->s_mutex)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int mds = session->s_mds;
+	int seq = le32_to_cpu(grant->seq);
+	int newcaps = le32_to_cpu(grant->caps);
+	int issued, implemented, used, wanted, dirty;
+	u64 size = le64_to_cpu(grant->size);
+	u64 max_size = le64_to_cpu(grant->max_size);
+	struct timespec mtime, atime, ctime;
+	int check_caps = 0;
+	int wake = 0;
+	int writeback = 0;
+	int revoked_rdcache = 0;
+	int queue_invalidate = 0;
+
+	dout("handle_cap_grant inode %p cap %p mds%d seq %d %s\n",
+	     inode, cap, mds, seq, ceph_cap_string(newcaps));
+	dout(" size %llu max_size %llu, i_size %llu\n", size, max_size,
+		inode->i_size);
+
+	/*
+	 * If CACHE is being revoked, and we have no dirty buffers,
+	 * try to invalidate (once).  (If there are dirty buffers, we
+	 * will invalidate _after_ writeback.)
+	 */
+	if (((cap->issued & ~newcaps) & CEPH_CAP_FILE_CACHE) &&
+	    !ci->i_wrbuffer_ref) {
+		if (try_nonblocking_invalidate(inode) == 0) {
+			revoked_rdcache = 1;
+		} else {
+			/* there were locked pages.. invalidate later
+			   in a separate thread. */
+			if (ci->i_rdcache_revoking != ci->i_rdcache_gen) {
+				queue_invalidate = 1;
+				ci->i_rdcache_revoking = ci->i_rdcache_gen;
+			}
+		}
+	}
+
+	/* side effects now are allowed */
+
+	issued = __ceph_caps_issued(ci, &implemented);
+	issued |= implemented | __ceph_caps_dirty(ci);
+
+	cap->cap_gen = session->s_cap_gen;
+
+	__check_cap_issue(ci, cap, newcaps);
+
+	if ((issued & CEPH_CAP_AUTH_EXCL) == 0) {
+		inode->i_mode = le32_to_cpu(grant->mode);
+		inode->i_uid = le32_to_cpu(grant->uid);
+		inode->i_gid = le32_to_cpu(grant->gid);
+		dout("%p mode 0%o uid.gid %d.%d\n", inode, inode->i_mode,
+		     inode->i_uid, inode->i_gid);
+	}
+
+	if ((issued & CEPH_CAP_LINK_EXCL) == 0)
+		inode->i_nlink = le32_to_cpu(grant->nlink);
+
+	if ((issued & CEPH_CAP_XATTR_EXCL) == 0 && grant->xattr_len) {
+		int len = le32_to_cpu(grant->xattr_len);
+		u64 version = le64_to_cpu(grant->xattr_version);
+
+		if (version > ci->i_xattrs.version) {
+			dout(" got new xattrs v%llu on %p len %d\n",
+			     version, inode, len);
+			if (ci->i_xattrs.blob)
+				ceph_buffer_put(ci->i_xattrs.blob);
+			ci->i_xattrs.blob = ceph_buffer_get(xattr_buf);
+			ci->i_xattrs.version = version;
+		}
+	}
+
+	/* size/ctime/mtime/atime? */
+	ceph_fill_file_size(inode, issued,
+			    le32_to_cpu(grant->truncate_seq),
+			    le64_to_cpu(grant->truncate_size), size);
+	ceph_decode_timespec(&mtime, &grant->mtime);
+	ceph_decode_timespec(&atime, &grant->atime);
+	ceph_decode_timespec(&ctime, &grant->ctime);
+	ceph_fill_file_time(inode, issued,
+			    le32_to_cpu(grant->time_warp_seq), &ctime, &mtime,
+			    &atime);
+
+	/* max size increase? */
+	if (max_size != ci->i_max_size) {
+		dout("max_size %lld -> %llu\n", ci->i_max_size, max_size);
+		ci->i_max_size = max_size;
+		if (max_size >= ci->i_wanted_max_size) {
+			ci->i_wanted_max_size = 0;  /* reset */
+			ci->i_requested_max_size = 0;
+		}
+		wake = 1;
+	}
+
+	/* check cap bits */
+	wanted = __ceph_caps_wanted(ci);
+	used = __ceph_caps_used(ci);
+	dirty = __ceph_caps_dirty(ci);
+	dout(" my wanted = %s, used = %s, dirty %s\n",
+	     ceph_cap_string(wanted),
+	     ceph_cap_string(used),
+	     ceph_cap_string(dirty));
+	if (wanted != le32_to_cpu(grant->wanted)) {
+		dout("mds wanted %s -> %s\n",
+		     ceph_cap_string(le32_to_cpu(grant->wanted)),
+		     ceph_cap_string(wanted));
+		grant->wanted = cpu_to_le32(wanted);
+	}
+
+	cap->seq = seq;
+
+	/* file layout may have changed */
+	ci->i_layout = grant->layout;
+
+	/* revocation, grant, or no-op? */
+	if (cap->issued & ~newcaps) {
+		dout("revocation: %s -> %s\n", ceph_cap_string(cap->issued),
+		     ceph_cap_string(newcaps));
+		if ((used & ~newcaps) & CEPH_CAP_FILE_BUFFER)
+			writeback = 1; /* will delay ack */
+		else if (dirty & ~newcaps)
+			check_caps = 1;  /* initiate writeback in check_caps */
+		else if (((used & ~newcaps) & CEPH_CAP_FILE_CACHE) == 0 ||
+			   revoked_rdcache)
+			check_caps = 2;     /* send revoke ack in check_caps */
+		cap->issued = newcaps;
+		cap->implemented |= newcaps;
+	} else if (cap->issued == newcaps) {
+		dout("caps unchanged: %s -> %s\n",
+		     ceph_cap_string(cap->issued), ceph_cap_string(newcaps));
+	} else {
+		dout("grant: %s -> %s\n", ceph_cap_string(cap->issued),
+		     ceph_cap_string(newcaps));
+		cap->issued = newcaps;
+		cap->implemented |= newcaps; /* add bits only, to
+					      * avoid stepping on a
+					      * pending revocation */
+		wake = 1;
+	}
+	BUG_ON(cap->issued & ~cap->implemented);
+
+	spin_unlock(&inode->i_lock);
+	if (writeback)
+		/*
+		 * queue inode for writeback: we can't actually call
+		 * filemap_write_and_wait, etc. from message handler
+		 * context.
+		 */
+		ceph_queue_writeback(inode);
+	if (queue_invalidate)
+		ceph_queue_invalidate(inode);
+	if (wake)
+		wake_up(&ci->i_cap_wq);
+
+	if (check_caps == 1)
+		ceph_check_caps(ci, CHECK_CAPS_NODELAY|CHECK_CAPS_AUTHONLY,
+				session);
+	else if (check_caps == 2)
+		ceph_check_caps(ci, CHECK_CAPS_NODELAY, session);
+	else
+		mutex_unlock(&session->s_mutex);
+}
+
+/*
+ * Handle FLUSH_ACK from MDS, indicating that metadata we sent to the
+ * MDS has been safely committed.
+ */
+static void handle_cap_flush_ack(struct inode *inode, u64 flush_tid,
+				 struct ceph_mds_caps *m,
+				 struct ceph_mds_session *session,
+				 struct ceph_cap *cap)
+	__releases(inode->i_lock)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_mds_client *mdsc = &ceph_client(inode->i_sb)->mdsc;
+	unsigned seq = le32_to_cpu(m->seq);
+	int dirty = le32_to_cpu(m->dirty);
+	int cleaned = 0;
+	int drop = 0;
+	int i;
+
+	for (i = 0; i < CEPH_CAP_BITS; i++)
+		if ((dirty & (1 << i)) &&
+		    flush_tid == ci->i_cap_flush_tid[i])
+			cleaned |= 1 << i;
+
+	dout("handle_cap_flush_ack inode %p mds%d seq %d on %s cleaned %s,"
+	     " flushing %s -> %s\n",
+	     inode, session->s_mds, seq, ceph_cap_string(dirty),
+	     ceph_cap_string(cleaned), ceph_cap_string(ci->i_flushing_caps),
+	     ceph_cap_string(ci->i_flushing_caps & ~cleaned));
+
+	if (ci->i_flushing_caps == (ci->i_flushing_caps & ~cleaned))
+		goto out;
+
+	ci->i_flushing_caps &= ~cleaned;
+
+	spin_lock(&mdsc->cap_dirty_lock);
+	if (ci->i_flushing_caps == 0) {
+		list_del_init(&ci->i_flushing_item);
+		if (!list_empty(&session->s_cap_flushing))
+			dout(" mds%d still flushing cap on %p\n",
+			     session->s_mds,
+			     &list_entry(session->s_cap_flushing.next,
+					 struct ceph_inode_info,
+					 i_flushing_item)->vfs_inode);
+		mdsc->num_cap_flushing--;
+		wake_up(&mdsc->cap_flushing_wq);
+		dout(" inode %p now !flushing\n", inode);
+
+		if (ci->i_dirty_caps == 0) {
+			dout(" inode %p now clean\n", inode);
+			BUG_ON(!list_empty(&ci->i_dirty_item));
+			drop = 1;
+		} else {
+			BUG_ON(list_empty(&ci->i_dirty_item));
+		}
+	}
+	spin_unlock(&mdsc->cap_dirty_lock);
+	wake_up(&ci->i_cap_wq);
+
+out:
+	spin_unlock(&inode->i_lock);
+	if (drop)
+		iput(inode);
+}
+
+/*
+ * Handle FLUSHSNAP_ACK.  MDS has flushed snap data to disk and we can
+ * throw away our cap_snap.
+ *
+ * Caller hold s_mutex.
+ */
+static void handle_cap_flushsnap_ack(struct inode *inode, u64 flush_tid,
+				     struct ceph_mds_caps *m,
+				     struct ceph_mds_session *session)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	u64 follows = le64_to_cpu(m->snap_follows);
+	struct ceph_cap_snap *capsnap;
+	int drop = 0;
+
+	dout("handle_cap_flushsnap_ack inode %p ci %p mds%d follows %lld\n",
+	     inode, ci, session->s_mds, follows);
+
+	spin_lock(&inode->i_lock);
+	list_for_each_entry(capsnap, &ci->i_cap_snaps, ci_item) {
+		if (capsnap->follows == follows) {
+			if (capsnap->flush_tid != flush_tid) {
+				dout(" cap_snap %p follows %lld tid %lld !="
+				     " %lld\n", capsnap, follows,
+				     flush_tid, capsnap->flush_tid);
+				break;
+			}
+			WARN_ON(capsnap->dirty_pages || capsnap->writing);
+			dout(" removing cap_snap %p follows %lld\n",
+			     capsnap, follows);
+			ceph_put_snap_context(capsnap->context);
+			list_del(&capsnap->ci_item);
+			list_del(&capsnap->flushing_item);
+			ceph_put_cap_snap(capsnap);
+			drop = 1;
+			break;
+		} else {
+			dout(" skipping cap_snap %p follows %lld\n",
+			     capsnap, capsnap->follows);
+		}
+	}
+	spin_unlock(&inode->i_lock);
+	if (drop)
+		iput(inode);
+}
+
+/*
+ * Handle TRUNC from MDS, indicating file truncation.
+ *
+ * caller hold s_mutex.
+ */
+static void handle_cap_trunc(struct inode *inode,
+			     struct ceph_mds_caps *trunc,
+			     struct ceph_mds_session *session)
+	__releases(inode->i_lock)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int mds = session->s_mds;
+	int seq = le32_to_cpu(trunc->seq);
+	u32 truncate_seq = le32_to_cpu(trunc->truncate_seq);
+	u64 truncate_size = le64_to_cpu(trunc->truncate_size);
+	u64 size = le64_to_cpu(trunc->size);
+	int implemented = 0;
+	int dirty = __ceph_caps_dirty(ci);
+	int issued = __ceph_caps_issued(ceph_inode(inode), &implemented);
+	int queue_trunc = 0;
+
+	issued |= implemented | dirty;
+
+	dout("handle_cap_trunc inode %p mds%d seq %d to %lld seq %d\n",
+	     inode, mds, seq, truncate_size, truncate_seq);
+	queue_trunc = ceph_fill_file_size(inode, issued,
+					  truncate_seq, truncate_size, size);
+	spin_unlock(&inode->i_lock);
+
+	if (queue_trunc)
+		ceph_queue_vmtruncate(inode);
+}
+
+/*
+ * Handle EXPORT from MDS.  Cap is being migrated _from_ this mds to a
+ * different one.  If we are the most recent migration we've seen (as
+ * indicated by mseq), make note of the migrating cap bits for the
+ * duration (until we see the corresponding IMPORT).
+ *
+ * caller holds s_mutex
+ */
+static void handle_cap_export(struct inode *inode, struct ceph_mds_caps *ex,
+			      struct ceph_mds_session *session)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int mds = session->s_mds;
+	unsigned mseq = le32_to_cpu(ex->migrate_seq);
+	struct ceph_cap *cap = NULL, *t;
+	struct rb_node *p;
+	int remember = 1;
+
+	dout("handle_cap_export inode %p ci %p mds%d mseq %d\n",
+	     inode, ci, mds, mseq);
+
+	spin_lock(&inode->i_lock);
+
+	/* make sure we haven't seen a higher mseq */
+	for (p = rb_first(&ci->i_caps); p; p = rb_next(p)) {
+		t = rb_entry(p, struct ceph_cap, ci_node);
+		if (ceph_seq_cmp(t->mseq, mseq) > 0) {
+			dout(" higher mseq on cap from mds%d\n",
+			     t->session->s_mds);
+			remember = 0;
+		}
+		if (t->session->s_mds == mds)
+			cap = t;
+	}
+
+	if (cap) {
+		if (remember) {
+			/* make note */
+			ci->i_cap_exporting_mds = mds;
+			ci->i_cap_exporting_mseq = mseq;
+			ci->i_cap_exporting_issued = cap->issued;
+		}
+		__ceph_remove_cap(cap);
+	}
+	/* else, we already released it */
+
+	spin_unlock(&inode->i_lock);
+}
+
+/*
+ * Handle cap IMPORT.  If there are temp bits from an older EXPORT,
+ * clean them up.
+ *
+ * caller holds s_mutex.
+ */
+static void handle_cap_import(struct ceph_mds_client *mdsc,
+			      struct inode *inode, struct ceph_mds_caps *im,
+			      struct ceph_mds_session *session,
+			      void *snaptrace, int snaptrace_len)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int mds = session->s_mds;
+	unsigned issued = le32_to_cpu(im->caps);
+	unsigned wanted = le32_to_cpu(im->wanted);
+	unsigned seq = le32_to_cpu(im->seq);
+	unsigned mseq = le32_to_cpu(im->migrate_seq);
+	u64 realmino = le64_to_cpu(im->realm);
+	u64 cap_id = le64_to_cpu(im->cap_id);
+
+	if (ci->i_cap_exporting_mds >= 0 &&
+	    ceph_seq_cmp(ci->i_cap_exporting_mseq, mseq) < 0) {
+		dout("handle_cap_import inode %p ci %p mds%d mseq %d"
+		     " - cleared exporting from mds%d\n",
+		     inode, ci, mds, mseq,
+		     ci->i_cap_exporting_mds);
+		ci->i_cap_exporting_issued = 0;
+		ci->i_cap_exporting_mseq = 0;
+		ci->i_cap_exporting_mds = -1;
+	} else {
+		dout("handle_cap_import inode %p ci %p mds%d mseq %d\n",
+		     inode, ci, mds, mseq);
+	}
+
+	down_write(&mdsc->snap_rwsem);
+	ceph_update_snap_trace(mdsc, snaptrace, snaptrace+snaptrace_len,
+			       false);
+	downgrade_write(&mdsc->snap_rwsem);
+	ceph_add_cap(inode, session, cap_id, -1,
+		     issued, wanted, seq, mseq, realmino, CEPH_CAP_FLAG_AUTH,
+		     NULL /* no caps context */);
+	try_flush_caps(inode, session, NULL);
+	up_read(&mdsc->snap_rwsem);
+}
+
+/*
+ * Handle a caps message from the MDS.
+ *
+ * Identify the appropriate session, inode, and call the right handler
+ * based on the cap op.
+ */
+void ceph_handle_caps(struct ceph_mds_session *session,
+		      struct ceph_msg *msg)
+{
+	struct ceph_mds_client *mdsc = session->s_mdsc;
+	struct super_block *sb = mdsc->client->sb;
+	struct inode *inode;
+	struct ceph_cap *cap;
+	struct ceph_mds_caps *h;
+	int mds = session->s_mds;
+	int op;
+	u32 seq;
+	struct ceph_vino vino;
+	u64 cap_id;
+	u64 size, max_size;
+	u64 tid;
+	void *snaptrace;
+
+	dout("handle_caps from mds%d\n", mds);
+
+	/* decode */
+	tid = le64_to_cpu(msg->hdr.tid);
+	if (msg->front.iov_len < sizeof(*h))
+		goto bad;
+	h = msg->front.iov_base;
+	snaptrace = h + 1;
+	op = le32_to_cpu(h->op);
+	vino.ino = le64_to_cpu(h->ino);
+	vino.snap = CEPH_NOSNAP;
+	cap_id = le64_to_cpu(h->cap_id);
+	seq = le32_to_cpu(h->seq);
+	size = le64_to_cpu(h->size);
+	max_size = le64_to_cpu(h->max_size);
+
+	mutex_lock(&session->s_mutex);
+	session->s_seq++;
+	dout(" mds%d seq %lld cap seq %u\n", session->s_mds, session->s_seq,
+	     (unsigned)seq);
+
+	/* lookup ino */
+	inode = ceph_find_inode(sb, vino);
+	dout(" op %s ino %llx.%llx inode %p\n", ceph_cap_op_name(op), vino.ino,
+	     vino.snap, inode);
+	if (!inode) {
+		dout(" i don't have ino %llx\n", vino.ino);
+		goto done;
+	}
+
+	/* these will work even if we don't have a cap yet */
+	switch (op) {
+	case CEPH_CAP_OP_FLUSHSNAP_ACK:
+		handle_cap_flushsnap_ack(inode, tid, h, session);
+		goto done;
+
+	case CEPH_CAP_OP_EXPORT:
+		handle_cap_export(inode, h, session);
+		goto done;
+
+	case CEPH_CAP_OP_IMPORT:
+		handle_cap_import(mdsc, inode, h, session,
+				  snaptrace, le32_to_cpu(h->snap_trace_len));
+		ceph_check_caps(ceph_inode(inode), CHECK_CAPS_NODELAY,
+				session);
+		goto done_unlocked;
+	}
+
+	/* the rest require a cap */
+	spin_lock(&inode->i_lock);
+	cap = __get_cap_for_mds(ceph_inode(inode), mds);
+	if (!cap) {
+		dout("no cap on %p ino %llx.%llx from mds%d, releasing\n",
+		     inode, ceph_ino(inode), ceph_snap(inode), mds);
+		spin_unlock(&inode->i_lock);
+		goto done;
+	}
+
+	/* note that each of these drops i_lock for us */
+	switch (op) {
+	case CEPH_CAP_OP_REVOKE:
+	case CEPH_CAP_OP_GRANT:
+		handle_cap_grant(inode, h, session, cap, msg->middle);
+		goto done_unlocked;
+
+	case CEPH_CAP_OP_FLUSH_ACK:
+		handle_cap_flush_ack(inode, tid, h, session, cap);
+		break;
+
+	case CEPH_CAP_OP_TRUNC:
+		handle_cap_trunc(inode, h, session);
+		break;
+
+	default:
+		spin_unlock(&inode->i_lock);
+		pr_err("ceph_handle_caps: unknown cap op %d %s\n", op,
+		       ceph_cap_op_name(op));
+	}
+
+done:
+	mutex_unlock(&session->s_mutex);
+done_unlocked:
+	if (inode)
+		iput(inode);
+	return;
+
+bad:
+	pr_err("ceph_handle_caps: corrupt message\n");
+	ceph_msg_dump(msg);
+	return;
+}
+
+/*
+ * Delayed work handler to process end of delayed cap release LRU list.
+ */
+void ceph_check_delayed_caps(struct ceph_mds_client *mdsc)
+{
+	struct ceph_inode_info *ci;
+	int flags = CHECK_CAPS_NODELAY;
+
+	dout("check_delayed_caps\n");
+	while (1) {
+		spin_lock(&mdsc->cap_delay_lock);
+		if (list_empty(&mdsc->cap_delay_list))
+			break;
+		ci = list_first_entry(&mdsc->cap_delay_list,
+				      struct ceph_inode_info,
+				      i_cap_delay_list);
+		if ((ci->i_ceph_flags & CEPH_I_FLUSH) == 0 &&
+		    time_before(jiffies, ci->i_hold_caps_max))
+			break;
+		list_del_init(&ci->i_cap_delay_list);
+		spin_unlock(&mdsc->cap_delay_lock);
+		dout("check_delayed_caps on %p\n", &ci->vfs_inode);
+		ceph_check_caps(ci, flags, NULL);
+	}
+	spin_unlock(&mdsc->cap_delay_lock);
+}
+
+/*
+ * Flush all dirty caps to the mds
+ */
+void ceph_flush_dirty_caps(struct ceph_mds_client *mdsc)
+{
+	struct ceph_inode_info *ci, *nci = NULL;
+	struct inode *inode, *ninode = NULL;
+	struct list_head *p, *n;
+
+	dout("flush_dirty_caps\n");
+	spin_lock(&mdsc->cap_dirty_lock);
+	list_for_each_safe(p, n, &mdsc->cap_dirty) {
+		if (nci) {
+			ci = nci;
+			inode = ninode;
+			ci->i_ceph_flags &= ~CEPH_I_NOFLUSH;
+			dout("flush_dirty_caps inode %p (was next inode)\n",
+			     inode);
+		} else {
+			ci = list_entry(p, struct ceph_inode_info,
+					i_dirty_item);
+			inode = igrab(&ci->vfs_inode);
+			BUG_ON(!inode);
+			dout("flush_dirty_caps inode %p\n", inode);
+		}
+		if (n != &mdsc->cap_dirty) {
+			nci = list_entry(n, struct ceph_inode_info,
+					 i_dirty_item);
+			ninode = igrab(&nci->vfs_inode);
+			BUG_ON(!ninode);
+			nci->i_ceph_flags |= CEPH_I_NOFLUSH;
+			dout("flush_dirty_caps next inode %p, noflush\n",
+			     ninode);
+		} else {
+			nci = NULL;
+			ninode = NULL;
+		}
+		spin_unlock(&mdsc->cap_dirty_lock);
+		if (inode) {
+			ceph_check_caps(ci, CHECK_CAPS_NODELAY|CHECK_CAPS_FLUSH,
+					NULL);
+			iput(inode);
+		}
+		spin_lock(&mdsc->cap_dirty_lock);
+	}
+	spin_unlock(&mdsc->cap_dirty_lock);
+}
+
+/*
+ * Drop open file reference.  If we were the last open file,
+ * we may need to release capabilities to the MDS (or schedule
+ * their delayed release).
+ */
+void ceph_put_fmode(struct ceph_inode_info *ci, int fmode)
+{
+	struct inode *inode = &ci->vfs_inode;
+	int last = 0;
+
+	spin_lock(&inode->i_lock);
+	dout("put_fmode %p fmode %d %d -> %d\n", inode, fmode,
+	     ci->i_nr_by_mode[fmode], ci->i_nr_by_mode[fmode]-1);
+	BUG_ON(ci->i_nr_by_mode[fmode] == 0);
+	if (--ci->i_nr_by_mode[fmode] == 0)
+		last++;
+	spin_unlock(&inode->i_lock);
+
+	if (last && ci->i_vino.snap == CEPH_NOSNAP)
+		ceph_check_caps(ci, 0, NULL);
+}
+
+/*
+ * Helpers for embedding cap and dentry lease releases into mds
+ * requests.
+ *
+ * @force is used by dentry_release (below) to force inclusion of a
+ * record for the directory inode, even when there aren't any caps to
+ * drop.
+ */
+int ceph_encode_inode_release(void **p, struct inode *inode,
+			      int mds, int drop, int unless, int force)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_cap *cap;
+	struct ceph_mds_request_release *rel = *p;
+	int ret = 0;
+	int used = 0;
+
+	spin_lock(&inode->i_lock);
+	used = __ceph_caps_used(ci);
+
+	dout("encode_inode_release %p mds%d used %s drop %s unless %s\n", inode,
+	     mds, ceph_cap_string(used), ceph_cap_string(drop),
+	     ceph_cap_string(unless));
+
+	/* only drop unused caps */
+	drop &= ~used;
+
+	cap = __get_cap_for_mds(ci, mds);
+	if (cap && __cap_is_valid(cap)) {
+		if (force ||
+		    ((cap->issued & drop) &&
+		     (cap->issued & unless) == 0)) {
+			if ((cap->issued & drop) &&
+			    (cap->issued & unless) == 0) {
+				dout("encode_inode_release %p cap %p %s -> "
+				     "%s\n", inode, cap,
+				     ceph_cap_string(cap->issued),
+				     ceph_cap_string(cap->issued & ~drop));
+				cap->issued &= ~drop;
+				cap->implemented &= ~drop;
+				if (ci->i_ceph_flags & CEPH_I_NODELAY) {
+					int wanted = __ceph_caps_wanted(ci);
+					dout("  wanted %s -> %s (act %s)\n",
+					     ceph_cap_string(cap->mds_wanted),
+					     ceph_cap_string(cap->mds_wanted &
+							     ~wanted),
+					     ceph_cap_string(wanted));
+					cap->mds_wanted &= wanted;
+				}
+			} else {
+				dout("encode_inode_release %p cap %p %s"
+				     " (force)\n", inode, cap,
+				     ceph_cap_string(cap->issued));
+			}
+
+			rel->ino = cpu_to_le64(ceph_ino(inode));
+			rel->cap_id = cpu_to_le64(cap->cap_id);
+			rel->seq = cpu_to_le32(cap->seq);
+			rel->issue_seq = cpu_to_le32(cap->issue_seq),
+			rel->mseq = cpu_to_le32(cap->mseq);
+			rel->caps = cpu_to_le32(cap->issued);
+			rel->wanted = cpu_to_le32(cap->mds_wanted);
+			rel->dname_len = 0;
+			rel->dname_seq = 0;
+			*p += sizeof(*rel);
+			ret = 1;
+		} else {
+			dout("encode_inode_release %p cap %p %s\n",
+			     inode, cap, ceph_cap_string(cap->issued));
+		}
+	}
+	spin_unlock(&inode->i_lock);
+	return ret;
+}
+
+int ceph_encode_dentry_release(void **p, struct dentry *dentry,
+			       int mds, int drop, int unless)
+{
+	struct inode *dir = dentry->d_parent->d_inode;
+	struct ceph_mds_request_release *rel = *p;
+	struct ceph_dentry_info *di = ceph_dentry(dentry);
+	int force = 0;
+	int ret;
+
+	/*
+	 * force an record for the directory caps if we have a dentry lease.
+	 * this is racy (can't take i_lock and d_lock together), but it
+	 * doesn't have to be perfect; the mds will revoke anything we don't
+	 * release.
+	 */
+	spin_lock(&dentry->d_lock);
+	if (di->lease_session && di->lease_session->s_mds == mds)
+		force = 1;
+	spin_unlock(&dentry->d_lock);
+
+	ret = ceph_encode_inode_release(p, dir, mds, drop, unless, force);
+
+	spin_lock(&dentry->d_lock);
+	if (ret && di->lease_session && di->lease_session->s_mds == mds) {
+		dout("encode_dentry_release %p mds%d seq %d\n",
+		     dentry, mds, (int)di->lease_seq);
+		rel->dname_len = cpu_to_le32(dentry->d_name.len);
+		memcpy(*p, dentry->d_name.name, dentry->d_name.len);
+		*p += dentry->d_name.len;
+		rel->dname_seq = cpu_to_le32(di->lease_seq);
+	}
+	spin_unlock(&dentry->d_lock);
+	return ret;
+}
diff --git a/fs/ceph/ceph_debug.h b/fs/ceph/ceph_debug.h
new file mode 100644
index 000000000000..1818c2305610
--- /dev/null
+++ b/fs/ceph/ceph_debug.h
@@ -0,0 +1,37 @@
+#ifndef _FS_CEPH_DEBUG_H
+#define _FS_CEPH_DEBUG_H
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#ifdef CONFIG_CEPH_FS_PRETTYDEBUG
+
+/*
+ * wrap pr_debug to include a filename:lineno prefix on each line.
+ * this incurs some overhead (kernel size and execution time) due to
+ * the extra function call at each call site.
+ */
+
+# if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG)
+extern const char *ceph_file_part(const char *s, int len);
+#  define dout(fmt, ...)						\
+	pr_debug(" %12.12s:%-4d : " fmt,				\
+		 ceph_file_part(__FILE__, sizeof(__FILE__)),		\
+		 __LINE__, ##__VA_ARGS__)
+# else
+/* faux printk call just to see any compiler warnings. */
+#  define dout(fmt, ...)	do {				\
+		if (0)						\
+			printk(KERN_DEBUG fmt, ##__VA_ARGS__);	\
+	} while (0)
+# endif
+
+#else
+
+/*
+ * or, just wrap pr_debug
+ */
+# define dout(fmt, ...)	pr_debug(" " fmt, ##__VA_ARGS__)
+
+#endif
+
+#endif
diff --git a/fs/ceph/ceph_frag.c b/fs/ceph/ceph_frag.c
new file mode 100644
index 000000000000..ab6cf35c4091
--- /dev/null
+++ b/fs/ceph/ceph_frag.c
@@ -0,0 +1,21 @@
+/*
+ * Ceph 'frag' type
+ */
+#include "types.h"
+
+int ceph_frag_compare(__u32 a, __u32 b)
+{
+	unsigned va = ceph_frag_value(a);
+	unsigned vb = ceph_frag_value(b);
+	if (va < vb)
+		return -1;
+	if (va > vb)
+		return 1;
+	va = ceph_frag_bits(a);
+	vb = ceph_frag_bits(b);
+	if (va < vb)
+		return -1;
+	if (va > vb)
+		return 1;
+	return 0;
+}
diff --git a/fs/ceph/ceph_frag.h b/fs/ceph/ceph_frag.h
new file mode 100644
index 000000000000..793f50cb7c22
--- /dev/null
+++ b/fs/ceph/ceph_frag.h
@@ -0,0 +1,109 @@
+#ifndef _FS_CEPH_FRAG_H
+#define _FS_CEPH_FRAG_H
+
+/*
+ * "Frags" are a way to describe a subset of a 32-bit number space,
+ * using a mask and a value to match against that mask.  Any given frag
+ * (subset of the number space) can be partitioned into 2^n sub-frags.
+ *
+ * Frags are encoded into a 32-bit word:
+ *   8 upper bits = "bits"
+ *  24 lower bits = "value"
+ * (We could go to 5+27 bits, but who cares.)
+ *
+ * We use the _most_ significant bits of the 24 bit value.  This makes
+ * values logically sort.
+ *
+ * Unfortunately, because the "bits" field is still in the high bits, we
+ * can't sort encoded frags numerically.  However, it does allow you
+ * to feed encoded frags as values into frag_contains_value.
+ */
+static inline __u32 ceph_frag_make(__u32 b, __u32 v)
+{
+	return (b << 24) |
+		(v & (0xffffffu << (24-b)) & 0xffffffu);
+}
+static inline __u32 ceph_frag_bits(__u32 f)
+{
+	return f >> 24;
+}
+static inline __u32 ceph_frag_value(__u32 f)
+{
+	return f & 0xffffffu;
+}
+static inline __u32 ceph_frag_mask(__u32 f)
+{
+	return (0xffffffu << (24-ceph_frag_bits(f))) & 0xffffffu;
+}
+static inline __u32 ceph_frag_mask_shift(__u32 f)
+{
+	return 24 - ceph_frag_bits(f);
+}
+
+static inline int ceph_frag_contains_value(__u32 f, __u32 v)
+{
+	return (v & ceph_frag_mask(f)) == ceph_frag_value(f);
+}
+static inline int ceph_frag_contains_frag(__u32 f, __u32 sub)
+{
+	/* is sub as specific as us, and contained by us? */
+	return ceph_frag_bits(sub) >= ceph_frag_bits(f) &&
+	       (ceph_frag_value(sub) & ceph_frag_mask(f)) == ceph_frag_value(f);
+}
+
+static inline __u32 ceph_frag_parent(__u32 f)
+{
+	return ceph_frag_make(ceph_frag_bits(f) - 1,
+			 ceph_frag_value(f) & (ceph_frag_mask(f) << 1));
+}
+static inline int ceph_frag_is_left_child(__u32 f)
+{
+	return ceph_frag_bits(f) > 0 &&
+		(ceph_frag_value(f) & (0x1000000 >> ceph_frag_bits(f))) == 0;
+}
+static inline int ceph_frag_is_right_child(__u32 f)
+{
+	return ceph_frag_bits(f) > 0 &&
+		(ceph_frag_value(f) & (0x1000000 >> ceph_frag_bits(f))) == 1;
+}
+static inline __u32 ceph_frag_sibling(__u32 f)
+{
+	return ceph_frag_make(ceph_frag_bits(f),
+		      ceph_frag_value(f) ^ (0x1000000 >> ceph_frag_bits(f)));
+}
+static inline __u32 ceph_frag_left_child(__u32 f)
+{
+	return ceph_frag_make(ceph_frag_bits(f)+1, ceph_frag_value(f));
+}
+static inline __u32 ceph_frag_right_child(__u32 f)
+{
+	return ceph_frag_make(ceph_frag_bits(f)+1,
+	      ceph_frag_value(f) | (0x1000000 >> (1+ceph_frag_bits(f))));
+}
+static inline __u32 ceph_frag_make_child(__u32 f, int by, int i)
+{
+	int newbits = ceph_frag_bits(f) + by;
+	return ceph_frag_make(newbits,
+			 ceph_frag_value(f) | (i << (24 - newbits)));
+}
+static inline int ceph_frag_is_leftmost(__u32 f)
+{
+	return ceph_frag_value(f) == 0;
+}
+static inline int ceph_frag_is_rightmost(__u32 f)
+{
+	return ceph_frag_value(f) == ceph_frag_mask(f);
+}
+static inline __u32 ceph_frag_next(__u32 f)
+{
+	return ceph_frag_make(ceph_frag_bits(f),
+			 ceph_frag_value(f) + (0x1000000 >> ceph_frag_bits(f)));
+}
+
+/*
+ * comparator to sort frags logically, as when traversing the
+ * number space in ascending order...
+ */
+int ceph_frag_compare(__u32 a, __u32 b);
+
+#endif
diff --git a/fs/ceph/ceph_fs.c b/fs/ceph/ceph_fs.c
new file mode 100644
index 000000000000..79d76bc4303f
--- /dev/null
+++ b/fs/ceph/ceph_fs.c
@@ -0,0 +1,74 @@
+/*
+ * Some non-inline ceph helpers
+ */
+#include "types.h"
+
+/*
+ * return true if @layout appears to be valid
+ */
+int ceph_file_layout_is_valid(const struct ceph_file_layout *layout)
+{
+	__u32 su = le32_to_cpu(layout->fl_stripe_unit);
+	__u32 sc = le32_to_cpu(layout->fl_stripe_count);
+	__u32 os = le32_to_cpu(layout->fl_object_size);
+
+	/* stripe unit, object size must be non-zero, 64k increment */
+	if (!su || (su & (CEPH_MIN_STRIPE_UNIT-1)))
+		return 0;
+	if (!os || (os & (CEPH_MIN_STRIPE_UNIT-1)))
+		return 0;
+	/* object size must be a multiple of stripe unit */
+	if (os < su || os % su)
+		return 0;
+	/* stripe count must be non-zero */
+	if (!sc)
+		return 0;
+	return 1;
+}
+
+
+int ceph_flags_to_mode(int flags)
+{
+#ifdef O_DIRECTORY  /* fixme */
+	if ((flags & O_DIRECTORY) == O_DIRECTORY)
+		return CEPH_FILE_MODE_PIN;
+#endif
+#ifdef O_LAZY
+	if (flags & O_LAZY)
+		return CEPH_FILE_MODE_LAZY;
+#endif
+	if ((flags & O_APPEND) == O_APPEND)
+		flags |= O_WRONLY;
+
+	flags &= O_ACCMODE;
+	if ((flags & O_RDWR) == O_RDWR)
+		return CEPH_FILE_MODE_RDWR;
+	if ((flags & O_WRONLY) == O_WRONLY)
+		return CEPH_FILE_MODE_WR;
+	return CEPH_FILE_MODE_RD;
+}
+
+int ceph_caps_for_mode(int mode)
+{
+	switch (mode) {
+	case CEPH_FILE_MODE_PIN:
+		return CEPH_CAP_PIN;
+	case CEPH_FILE_MODE_RD:
+		return CEPH_CAP_PIN | CEPH_CAP_FILE_SHARED |
+			CEPH_CAP_FILE_RD | CEPH_CAP_FILE_CACHE;
+	case CEPH_FILE_MODE_RDWR:
+		return CEPH_CAP_PIN | CEPH_CAP_FILE_SHARED |
+			CEPH_CAP_FILE_EXCL |
+			CEPH_CAP_FILE_RD | CEPH_CAP_FILE_CACHE |
+			CEPH_CAP_FILE_WR | CEPH_CAP_FILE_BUFFER |
+			CEPH_CAP_AUTH_SHARED | CEPH_CAP_AUTH_EXCL |
+			CEPH_CAP_XATTR_SHARED | CEPH_CAP_XATTR_EXCL;
+	case CEPH_FILE_MODE_WR:
+		return CEPH_CAP_PIN | CEPH_CAP_FILE_SHARED |
+			CEPH_CAP_FILE_EXCL |
+			CEPH_CAP_FILE_WR | CEPH_CAP_FILE_BUFFER |
+			CEPH_CAP_AUTH_SHARED | CEPH_CAP_AUTH_EXCL |
+			CEPH_CAP_XATTR_SHARED | CEPH_CAP_XATTR_EXCL;
+	}
+	return 0;
+}
diff --git a/fs/ceph/ceph_fs.h b/fs/ceph/ceph_fs.h
new file mode 100644
index 000000000000..0c2241ef3653
--- /dev/null
+++ b/fs/ceph/ceph_fs.h
@@ -0,0 +1,650 @@
+/*
+ * ceph_fs.h - Ceph constants and data types to share between kernel and
+ * user space.
+ *
+ * Most types in this file are defined as little-endian, and are
+ * primarily intended to describe data structures that pass over the
+ * wire or that are stored on disk.
+ *
+ * LGPL2
+ */
+
+#ifndef _FS_CEPH_CEPH_FS_H
+#define _FS_CEPH_CEPH_FS_H
+
+#include "msgr.h"
+#include "rados.h"
+
+/*
+ * Ceph release version
+ */
+#define CEPH_VERSION_MAJOR 0
+#define CEPH_VERSION_MINOR 19
+#define CEPH_VERSION_PATCH 0
+
+#define _CEPH_STRINGIFY(x) #x
+#define CEPH_STRINGIFY(x) _CEPH_STRINGIFY(x)
+#define CEPH_MAKE_VERSION(x, y, z) CEPH_STRINGIFY(x) "." CEPH_STRINGIFY(y) \
+	"." CEPH_STRINGIFY(z)
+#define CEPH_VERSION CEPH_MAKE_VERSION(CEPH_VERSION_MAJOR, \
+				       CEPH_VERSION_MINOR, CEPH_VERSION_PATCH)
+
+/*
+ * subprotocol versions.  when specific messages types or high-level
+ * protocols change, bump the affected components.  we keep rev
+ * internal cluster protocols separately from the public,
+ * client-facing protocol.
+ */
+#define CEPH_OSD_PROTOCOL     8 /* cluster internal */
+#define CEPH_MDS_PROTOCOL     9 /* cluster internal */
+#define CEPH_MON_PROTOCOL     5 /* cluster internal */
+#define CEPH_OSDC_PROTOCOL   24 /* server/client */
+#define CEPH_MDSC_PROTOCOL   32 /* server/client */
+#define CEPH_MONC_PROTOCOL   15 /* server/client */
+
+
+#define CEPH_INO_ROOT  1
+#define CEPH_INO_CEPH  2        /* hidden .ceph dir */
+
+/* arbitrary limit on max # of monitors (cluster of 3 is typical) */
+#define CEPH_MAX_MON   31
+
+
+/*
+ * feature bits
+ */
+#define CEPH_FEATURE_SUPPORTED  0
+#define CEPH_FEATURE_REQUIRED   0
+
+
+/*
+ * ceph_file_layout - describe data layout for a file/inode
+ */
+struct ceph_file_layout {
+	/* file -> object mapping */
+	__le32 fl_stripe_unit;     /* stripe unit, in bytes.  must be multiple
+				      of page size. */
+	__le32 fl_stripe_count;    /* over this many objects */
+	__le32 fl_object_size;     /* until objects are this big, then move to
+				      new objects */
+	__le32 fl_cas_hash;        /* 0 = none; 1 = sha256 */
+
+	/* pg -> disk layout */
+	__le32 fl_object_stripe_unit;  /* for per-object parity, if any */
+
+	/* object -> pg layout */
+	__le32 fl_pg_preferred; /* preferred primary for pg (-1 for none) */
+	__le32 fl_pg_pool;      /* namespace, crush ruleset, rep level */
+} __attribute__ ((packed));
+
+#define CEPH_MIN_STRIPE_UNIT 65536
+
+int ceph_file_layout_is_valid(const struct ceph_file_layout *layout);
+
+
+/* crypto algorithms */
+#define CEPH_CRYPTO_NONE 0x0
+#define CEPH_CRYPTO_AES  0x1
+
+/* security/authentication protocols */
+#define CEPH_AUTH_UNKNOWN	0x0
+#define CEPH_AUTH_NONE	 	0x1
+#define CEPH_AUTH_CEPHX	 	0x2
+
+
+/*********************************************
+ * message layer
+ */
+
+/*
+ * message types
+ */
+
+/* misc */
+#define CEPH_MSG_SHUTDOWN               1
+#define CEPH_MSG_PING                   2
+
+/* client <-> monitor */
+#define CEPH_MSG_MON_MAP                4
+#define CEPH_MSG_MON_GET_MAP            5
+#define CEPH_MSG_STATFS                 13
+#define CEPH_MSG_STATFS_REPLY           14
+#define CEPH_MSG_MON_SUBSCRIBE          15
+#define CEPH_MSG_MON_SUBSCRIBE_ACK      16
+#define CEPH_MSG_AUTH			17
+#define CEPH_MSG_AUTH_REPLY		18
+
+/* client <-> mds */
+#define CEPH_MSG_MDS_MAP                21
+
+#define CEPH_MSG_CLIENT_SESSION         22
+#define CEPH_MSG_CLIENT_RECONNECT       23
+
+#define CEPH_MSG_CLIENT_REQUEST         24
+#define CEPH_MSG_CLIENT_REQUEST_FORWARD 25
+#define CEPH_MSG_CLIENT_REPLY           26
+#define CEPH_MSG_CLIENT_CAPS            0x310
+#define CEPH_MSG_CLIENT_LEASE           0x311
+#define CEPH_MSG_CLIENT_SNAP            0x312
+#define CEPH_MSG_CLIENT_CAPRELEASE      0x313
+
+/* osd */
+#define CEPH_MSG_OSD_MAP          41
+#define CEPH_MSG_OSD_OP           42
+#define CEPH_MSG_OSD_OPREPLY      43
+
+struct ceph_mon_request_header {
+	__le64 have_version;
+	__le16 session_mon;
+	__le64 session_mon_tid;
+} __attribute__ ((packed));
+
+struct ceph_mon_statfs {
+	struct ceph_mon_request_header monhdr;
+	struct ceph_fsid fsid;
+} __attribute__ ((packed));
+
+struct ceph_statfs {
+	__le64 kb, kb_used, kb_avail;
+	__le64 num_objects;
+} __attribute__ ((packed));
+
+struct ceph_mon_statfs_reply {
+	struct ceph_fsid fsid;
+	__le64 version;
+	struct ceph_statfs st;
+} __attribute__ ((packed));
+
+struct ceph_osd_getmap {
+	struct ceph_mon_request_header monhdr;
+	struct ceph_fsid fsid;
+	__le32 start;
+} __attribute__ ((packed));
+
+struct ceph_mds_getmap {
+	struct ceph_mon_request_header monhdr;
+	struct ceph_fsid fsid;
+} __attribute__ ((packed));
+
+struct ceph_client_mount {
+	struct ceph_mon_request_header monhdr;
+} __attribute__ ((packed));
+
+struct ceph_mon_subscribe_item {
+	__le64 have_version;	__le64 have;
+	__u8 onetime;
+} __attribute__ ((packed));
+
+struct ceph_mon_subscribe_ack {
+	__le32 duration;         /* seconds */
+	struct ceph_fsid fsid;
+} __attribute__ ((packed));
+
+/*
+ * mds states
+ *   > 0 -> in
+ *  <= 0 -> out
+ */
+#define CEPH_MDS_STATE_DNE          0  /* down, does not exist. */
+#define CEPH_MDS_STATE_STOPPED     -1  /* down, once existed, but no subtrees.
+					  empty log. */
+#define CEPH_MDS_STATE_BOOT        -4  /* up, boot announcement. */
+#define CEPH_MDS_STATE_STANDBY     -5  /* up, idle.  waiting for assignment. */
+#define CEPH_MDS_STATE_CREATING    -6  /* up, creating MDS instance. */
+#define CEPH_MDS_STATE_STARTING    -7  /* up, starting previously stopped mds */
+#define CEPH_MDS_STATE_STANDBY_REPLAY -8 /* up, tailing active node's journal */
+
+#define CEPH_MDS_STATE_REPLAY       8  /* up, replaying journal. */
+#define CEPH_MDS_STATE_RESOLVE      9  /* up, disambiguating distributed
+					  operations (import, rename, etc.) */
+#define CEPH_MDS_STATE_RECONNECT    10 /* up, reconnect to clients */
+#define CEPH_MDS_STATE_REJOIN       11 /* up, rejoining distributed cache */
+#define CEPH_MDS_STATE_CLIENTREPLAY 12 /* up, replaying client operations */
+#define CEPH_MDS_STATE_ACTIVE       13 /* up, active */
+#define CEPH_MDS_STATE_STOPPING     14 /* up, but exporting metadata */
+
+extern const char *ceph_mds_state_name(int s);
+
+
+/*
+ * metadata lock types.
+ *  - these are bitmasks.. we can compose them
+ *  - they also define the lock ordering by the MDS
+ *  - a few of these are internal to the mds
+ */
+#define CEPH_LOCK_DN          1
+#define CEPH_LOCK_ISNAP       2
+#define CEPH_LOCK_IVERSION    4     /* mds internal */
+#define CEPH_LOCK_IFILE       8     /* mds internal */
+#define CEPH_LOCK_IAUTH       32
+#define CEPH_LOCK_ILINK       64
+#define CEPH_LOCK_IDFT        128   /* dir frag tree */
+#define CEPH_LOCK_INEST       256   /* mds internal */
+#define CEPH_LOCK_IXATTR      512
+#define CEPH_LOCK_INO         2048  /* immutable inode bits; not a lock */
+
+/* client_session ops */
+enum {
+	CEPH_SESSION_REQUEST_OPEN,
+	CEPH_SESSION_OPEN,
+	CEPH_SESSION_REQUEST_CLOSE,
+	CEPH_SESSION_CLOSE,
+	CEPH_SESSION_REQUEST_RENEWCAPS,
+	CEPH_SESSION_RENEWCAPS,
+	CEPH_SESSION_STALE,
+	CEPH_SESSION_RECALL_STATE,
+};
+
+extern const char *ceph_session_op_name(int op);
+
+struct ceph_mds_session_head {
+	__le32 op;
+	__le64 seq;
+	struct ceph_timespec stamp;
+	__le32 max_caps, max_leases;
+} __attribute__ ((packed));
+
+/* client_request */
+/*
+ * metadata ops.
+ *  & 0x001000 -> write op
+ *  & 0x010000 -> follow symlink (e.g. stat(), not lstat()).
+ &  & 0x100000 -> use weird ino/path trace
+ */
+#define CEPH_MDS_OP_WRITE        0x001000
+enum {
+	CEPH_MDS_OP_LOOKUP     = 0x00100,
+	CEPH_MDS_OP_GETATTR    = 0x00101,
+	CEPH_MDS_OP_LOOKUPHASH = 0x00102,
+	CEPH_MDS_OP_LOOKUPPARENT = 0x00103,
+
+	CEPH_MDS_OP_SETXATTR   = 0x01105,
+	CEPH_MDS_OP_RMXATTR    = 0x01106,
+	CEPH_MDS_OP_SETLAYOUT  = 0x01107,
+	CEPH_MDS_OP_SETATTR    = 0x01108,
+
+	CEPH_MDS_OP_MKNOD      = 0x01201,
+	CEPH_MDS_OP_LINK       = 0x01202,
+	CEPH_MDS_OP_UNLINK     = 0x01203,
+	CEPH_MDS_OP_RENAME     = 0x01204,
+	CEPH_MDS_OP_MKDIR      = 0x01220,
+	CEPH_MDS_OP_RMDIR      = 0x01221,
+	CEPH_MDS_OP_SYMLINK    = 0x01222,
+
+	CEPH_MDS_OP_CREATE     = 0x01301,
+	CEPH_MDS_OP_OPEN       = 0x00302,
+	CEPH_MDS_OP_READDIR    = 0x00305,
+
+	CEPH_MDS_OP_LOOKUPSNAP = 0x00400,
+	CEPH_MDS_OP_MKSNAP     = 0x01400,
+	CEPH_MDS_OP_RMSNAP     = 0x01401,
+	CEPH_MDS_OP_LSSNAP     = 0x00402,
+};
+
+extern const char *ceph_mds_op_name(int op);
+
+
+#define CEPH_SETATTR_MODE   1
+#define CEPH_SETATTR_UID    2
+#define CEPH_SETATTR_GID    4
+#define CEPH_SETATTR_MTIME  8
+#define CEPH_SETATTR_ATIME 16
+#define CEPH_SETATTR_SIZE  32
+#define CEPH_SETATTR_CTIME 64
+
+union ceph_mds_request_args {
+	struct {
+		__le32 mask;                 /* CEPH_CAP_* */
+	} __attribute__ ((packed)) getattr;
+	struct {
+		__le32 mode;
+		__le32 uid;
+		__le32 gid;
+		struct ceph_timespec mtime;
+		struct ceph_timespec atime;
+		__le64 size, old_size;       /* old_size needed by truncate */
+		__le32 mask;                 /* CEPH_SETATTR_* */
+	} __attribute__ ((packed)) setattr;
+	struct {
+		__le32 frag;                 /* which dir fragment */
+		__le32 max_entries;          /* how many dentries to grab */
+	} __attribute__ ((packed)) readdir;
+	struct {
+		__le32 mode;
+		__le32 rdev;
+	} __attribute__ ((packed)) mknod;
+	struct {
+		__le32 mode;
+	} __attribute__ ((packed)) mkdir;
+	struct {
+		__le32 flags;
+		__le32 mode;
+		__le32 stripe_unit;          /* layout for newly created file */
+		__le32 stripe_count;         /* ... */
+		__le32 object_size;
+		__le32 file_replication;
+		__le32 preferred;
+	} __attribute__ ((packed)) open;
+	struct {
+		__le32 flags;
+	} __attribute__ ((packed)) setxattr;
+	struct {
+		struct ceph_file_layout layout;
+	} __attribute__ ((packed)) setlayout;
+} __attribute__ ((packed));
+
+#define CEPH_MDS_FLAG_REPLAY        1  /* this is a replayed op */
+#define CEPH_MDS_FLAG_WANT_DENTRY   2  /* want dentry in reply */
+
+struct ceph_mds_request_head {
+	__le64 oldest_client_tid;
+	__le32 mdsmap_epoch;           /* on client */
+	__le32 flags;                  /* CEPH_MDS_FLAG_* */
+	__u8 num_retry, num_fwd;       /* count retry, fwd attempts */
+	__le16 num_releases;           /* # include cap/lease release records */
+	__le32 op;                     /* mds op code */
+	__le32 caller_uid, caller_gid;
+	__le64 ino;                    /* use this ino for openc, mkdir, mknod,
+					  etc. (if replaying) */
+	union ceph_mds_request_args args;
+} __attribute__ ((packed));
+
+/* cap/lease release record */
+struct ceph_mds_request_release {
+	__le64 ino, cap_id;            /* ino and unique cap id */
+	__le32 caps, wanted;           /* new issued, wanted */
+	__le32 seq, issue_seq, mseq;
+	__le32 dname_seq;              /* if releasing a dentry lease, a */
+	__le32 dname_len;              /* string follows. */
+} __attribute__ ((packed));
+
+/* client reply */
+struct ceph_mds_reply_head {
+	__le32 op;
+	__le32 result;
+	__le32 mdsmap_epoch;
+	__u8 safe;                     /* true if committed to disk */
+	__u8 is_dentry, is_target;     /* true if dentry, target inode records
+					  are included with reply */
+} __attribute__ ((packed));
+
+/* one for each node split */
+struct ceph_frag_tree_split {
+	__le32 frag;                   /* this frag splits... */
+	__le32 by;                     /* ...by this many bits */
+} __attribute__ ((packed));
+
+struct ceph_frag_tree_head {
+	__le32 nsplits;                /* num ceph_frag_tree_split records */
+	struct ceph_frag_tree_split splits[];
+} __attribute__ ((packed));
+
+/* capability issue, for bundling with mds reply */
+struct ceph_mds_reply_cap {
+	__le32 caps, wanted;           /* caps issued, wanted */
+	__le64 cap_id;
+	__le32 seq, mseq;
+	__le64 realm;                  /* snap realm */
+	__u8 flags;                    /* CEPH_CAP_FLAG_* */
+} __attribute__ ((packed));
+
+#define CEPH_CAP_FLAG_AUTH  1          /* cap is issued by auth mds */
+
+/* inode record, for bundling with mds reply */
+struct ceph_mds_reply_inode {
+	__le64 ino;
+	__le64 snapid;
+	__le32 rdev;
+	__le64 version;                /* inode version */
+	__le64 xattr_version;          /* version for xattr blob */
+	struct ceph_mds_reply_cap cap; /* caps issued for this inode */
+	struct ceph_file_layout layout;
+	struct ceph_timespec ctime, mtime, atime;
+	__le32 time_warp_seq;
+	__le64 size, max_size, truncate_size;
+	__le32 truncate_seq;
+	__le32 mode, uid, gid;
+	__le32 nlink;
+	__le64 files, subdirs, rbytes, rfiles, rsubdirs;  /* dir stats */
+	struct ceph_timespec rctime;
+	struct ceph_frag_tree_head fragtree;  /* (must be at end of struct) */
+} __attribute__ ((packed));
+/* followed by frag array, then symlink string, then xattr blob */
+
+/* reply_lease follows dname, and reply_inode */
+struct ceph_mds_reply_lease {
+	__le16 mask;            /* lease type(s) */
+	__le32 duration_ms;     /* lease duration */
+	__le32 seq;
+} __attribute__ ((packed));
+
+struct ceph_mds_reply_dirfrag {
+	__le32 frag;            /* fragment */
+	__le32 auth;            /* auth mds, if this is a delegation point */
+	__le32 ndist;           /* number of mds' this is replicated on */
+	__le32 dist[];
+} __attribute__ ((packed));
+
+/* file access modes */
+#define CEPH_FILE_MODE_PIN        0
+#define CEPH_FILE_MODE_RD         1
+#define CEPH_FILE_MODE_WR         2
+#define CEPH_FILE_MODE_RDWR       3  /* RD | WR */
+#define CEPH_FILE_MODE_LAZY       4  /* lazy io */
+#define CEPH_FILE_MODE_NUM        8  /* bc these are bit fields.. mostly */
+
+int ceph_flags_to_mode(int flags);
+
+
+/* capability bits */
+#define CEPH_CAP_PIN         1  /* no specific capabilities beyond the pin */
+
+/* generic cap bits */
+#define CEPH_CAP_GSHARED     1  /* client can reads */
+#define CEPH_CAP_GEXCL       2  /* client can read and update */
+#define CEPH_CAP_GCACHE      4  /* (file) client can cache reads */
+#define CEPH_CAP_GRD         8  /* (file) client can read */
+#define CEPH_CAP_GWR        16  /* (file) client can write */
+#define CEPH_CAP_GBUFFER    32  /* (file) client can buffer writes */
+#define CEPH_CAP_GWREXTEND  64  /* (file) client can extend EOF */
+#define CEPH_CAP_GLAZYIO   128  /* (file) client can perform lazy io */
+
+/* per-lock shift */
+#define CEPH_CAP_SAUTH      2
+#define CEPH_CAP_SLINK      4
+#define CEPH_CAP_SXATTR     6
+#define CEPH_CAP_SFILE      8   /* goes at the end (uses >2 cap bits) */
+
+#define CEPH_CAP_BITS       16
+
+/* composed values */
+#define CEPH_CAP_AUTH_SHARED  (CEPH_CAP_GSHARED  << CEPH_CAP_SAUTH)
+#define CEPH_CAP_AUTH_EXCL     (CEPH_CAP_GEXCL     << CEPH_CAP_SAUTH)
+#define CEPH_CAP_LINK_SHARED  (CEPH_CAP_GSHARED  << CEPH_CAP_SLINK)
+#define CEPH_CAP_LINK_EXCL     (CEPH_CAP_GEXCL     << CEPH_CAP_SLINK)
+#define CEPH_CAP_XATTR_SHARED (CEPH_CAP_GSHARED  << CEPH_CAP_SXATTR)
+#define CEPH_CAP_XATTR_EXCL    (CEPH_CAP_GEXCL     << CEPH_CAP_SXATTR)
+#define CEPH_CAP_FILE(x)    (x << CEPH_CAP_SFILE)
+#define CEPH_CAP_FILE_SHARED   (CEPH_CAP_GSHARED   << CEPH_CAP_SFILE)
+#define CEPH_CAP_FILE_EXCL     (CEPH_CAP_GEXCL     << CEPH_CAP_SFILE)
+#define CEPH_CAP_FILE_CACHE    (CEPH_CAP_GCACHE    << CEPH_CAP_SFILE)
+#define CEPH_CAP_FILE_RD       (CEPH_CAP_GRD       << CEPH_CAP_SFILE)
+#define CEPH_CAP_FILE_WR       (CEPH_CAP_GWR       << CEPH_CAP_SFILE)
+#define CEPH_CAP_FILE_BUFFER   (CEPH_CAP_GBUFFER   << CEPH_CAP_SFILE)
+#define CEPH_CAP_FILE_WREXTEND (CEPH_CAP_GWREXTEND << CEPH_CAP_SFILE)
+#define CEPH_CAP_FILE_LAZYIO   (CEPH_CAP_GLAZYIO   << CEPH_CAP_SFILE)
+
+/* cap masks (for getattr) */
+#define CEPH_STAT_CAP_INODE    CEPH_CAP_PIN
+#define CEPH_STAT_CAP_TYPE     CEPH_CAP_PIN  /* mode >> 12 */
+#define CEPH_STAT_CAP_SYMLINK  CEPH_CAP_PIN
+#define CEPH_STAT_CAP_UID      CEPH_CAP_AUTH_SHARED
+#define CEPH_STAT_CAP_GID      CEPH_CAP_AUTH_SHARED
+#define CEPH_STAT_CAP_MODE     CEPH_CAP_AUTH_SHARED
+#define CEPH_STAT_CAP_NLINK    CEPH_CAP_LINK_SHARED
+#define CEPH_STAT_CAP_LAYOUT   CEPH_CAP_FILE_SHARED
+#define CEPH_STAT_CAP_MTIME    CEPH_CAP_FILE_SHARED
+#define CEPH_STAT_CAP_SIZE     CEPH_CAP_FILE_SHARED
+#define CEPH_STAT_CAP_ATIME    CEPH_CAP_FILE_SHARED  /* fixme */
+#define CEPH_STAT_CAP_XATTR    CEPH_CAP_XATTR_SHARED
+#define CEPH_STAT_CAP_INODE_ALL (CEPH_CAP_PIN |			\
+				 CEPH_CAP_AUTH_SHARED |	\
+				 CEPH_CAP_LINK_SHARED |	\
+				 CEPH_CAP_FILE_SHARED |	\
+				 CEPH_CAP_XATTR_SHARED)
+
+#define CEPH_CAP_ANY_SHARED (CEPH_CAP_AUTH_SHARED |			\
+			      CEPH_CAP_LINK_SHARED |			\
+			      CEPH_CAP_XATTR_SHARED |			\
+			      CEPH_CAP_FILE_SHARED)
+#define CEPH_CAP_ANY_RD   (CEPH_CAP_ANY_SHARED | CEPH_CAP_FILE_RD |	\
+			   CEPH_CAP_FILE_CACHE)
+
+#define CEPH_CAP_ANY_EXCL (CEPH_CAP_AUTH_EXCL |		\
+			   CEPH_CAP_LINK_EXCL |		\
+			   CEPH_CAP_XATTR_EXCL |	\
+			   CEPH_CAP_FILE_EXCL)
+#define CEPH_CAP_ANY_FILE_WR (CEPH_CAP_FILE_WR | CEPH_CAP_FILE_BUFFER |	\
+			      CEPH_CAP_FILE_EXCL)
+#define CEPH_CAP_ANY_WR   (CEPH_CAP_ANY_EXCL | CEPH_CAP_ANY_FILE_WR)
+#define CEPH_CAP_ANY      (CEPH_CAP_ANY_RD | CEPH_CAP_ANY_EXCL | \
+			   CEPH_CAP_ANY_FILE_WR | CEPH_CAP_PIN)
+
+#define CEPH_CAP_LOCKS (CEPH_LOCK_IFILE | CEPH_LOCK_IAUTH | CEPH_LOCK_ILINK | \
+			CEPH_LOCK_IXATTR)
+
+int ceph_caps_for_mode(int mode);
+
+enum {
+	CEPH_CAP_OP_GRANT,         /* mds->client grant */
+	CEPH_CAP_OP_REVOKE,        /* mds->client revoke */
+	CEPH_CAP_OP_TRUNC,         /* mds->client trunc notify */
+	CEPH_CAP_OP_EXPORT,        /* mds has exported the cap */
+	CEPH_CAP_OP_IMPORT,        /* mds has imported the cap */
+	CEPH_CAP_OP_UPDATE,        /* client->mds update */
+	CEPH_CAP_OP_DROP,          /* client->mds drop cap bits */
+	CEPH_CAP_OP_FLUSH,         /* client->mds cap writeback */
+	CEPH_CAP_OP_FLUSH_ACK,     /* mds->client flushed */
+	CEPH_CAP_OP_FLUSHSNAP,     /* client->mds flush snapped metadata */
+	CEPH_CAP_OP_FLUSHSNAP_ACK, /* mds->client flushed snapped metadata */
+	CEPH_CAP_OP_RELEASE,       /* client->mds release (clean) cap */
+	CEPH_CAP_OP_RENEW,         /* client->mds renewal request */
+};
+
+extern const char *ceph_cap_op_name(int op);
+
+/*
+ * caps message, used for capability callbacks, acks, requests, etc.
+ */
+struct ceph_mds_caps {
+	__le32 op;                  /* CEPH_CAP_OP_* */
+	__le64 ino, realm;
+	__le64 cap_id;
+	__le32 seq, issue_seq;
+	__le32 caps, wanted, dirty; /* latest issued/wanted/dirty */
+	__le32 migrate_seq;
+	__le64 snap_follows;
+	__le32 snap_trace_len;
+
+	/* authlock */
+	__le32 uid, gid, mode;
+
+	/* linklock */
+	__le32 nlink;
+
+	/* xattrlock */
+	__le32 xattr_len;
+	__le64 xattr_version;
+
+	/* filelock */
+	__le64 size, max_size, truncate_size;
+	__le32 truncate_seq;
+	struct ceph_timespec mtime, atime, ctime;
+	struct ceph_file_layout layout;
+	__le32 time_warp_seq;
+} __attribute__ ((packed));
+
+/* cap release msg head */
+struct ceph_mds_cap_release {
+	__le32 num;                /* number of cap_items that follow */
+} __attribute__ ((packed));
+
+struct ceph_mds_cap_item {
+	__le64 ino;
+	__le64 cap_id;
+	__le32 migrate_seq, seq;
+} __attribute__ ((packed));
+
+#define CEPH_MDS_LEASE_REVOKE           1  /*    mds  -> client */
+#define CEPH_MDS_LEASE_RELEASE          2  /* client  -> mds    */
+#define CEPH_MDS_LEASE_RENEW            3  /* client <-> mds    */
+#define CEPH_MDS_LEASE_REVOKE_ACK       4  /* client  -> mds    */
+
+extern const char *ceph_lease_op_name(int o);
+
+/* lease msg header */
+struct ceph_mds_lease {
+	__u8 action;            /* CEPH_MDS_LEASE_* */
+	__le16 mask;            /* which lease */
+	__le64 ino;
+	__le64 first, last;     /* snap range */
+	__le32 seq;
+	__le32 duration_ms;     /* duration of renewal */
+} __attribute__ ((packed));
+/* followed by a __le32+string for dname */
+
+/* client reconnect */
+struct ceph_mds_cap_reconnect {
+	__le64 cap_id;
+	__le32 wanted;
+	__le32 issued;
+	__le64 size;
+	struct ceph_timespec mtime, atime;
+	__le64 snaprealm;
+	__le64 pathbase;        /* base ino for our path to this ino */
+} __attribute__ ((packed));
+/* followed by encoded string */
+
+struct ceph_mds_snaprealm_reconnect {
+	__le64 ino;     /* snap realm base */
+	__le64 seq;     /* snap seq for this snap realm */
+	__le64 parent;  /* parent realm */
+} __attribute__ ((packed));
+
+/*
+ * snaps
+ */
+enum {
+	CEPH_SNAP_OP_UPDATE,  /* CREATE or DESTROY */
+	CEPH_SNAP_OP_CREATE,
+	CEPH_SNAP_OP_DESTROY,
+	CEPH_SNAP_OP_SPLIT,
+};
+
+extern const char *ceph_snap_op_name(int o);
+
+/* snap msg header */
+struct ceph_mds_snap_head {
+	__le32 op;                /* CEPH_SNAP_OP_* */
+	__le64 split;             /* ino to split off, if any */
+	__le32 num_split_inos;    /* # inos belonging to new child realm */
+	__le32 num_split_realms;  /* # child realms udner new child realm */
+	__le32 trace_len;         /* size of snap trace blob */
+} __attribute__ ((packed));
+/* followed by split ino list, then split realms, then the trace blob */
+
+/*
+ * encode info about a snaprealm, as viewed by a client
+ */
+struct ceph_mds_snap_realm {
+	__le64 ino;           /* ino */
+	__le64 created;       /* snap: when created */
+	__le64 parent;        /* ino: parent realm */
+	__le64 parent_since;  /* snap: same parent since */
+	__le64 seq;           /* snap: version */
+	__le32 num_snaps;
+	__le32 num_prior_parent_snaps;
+} __attribute__ ((packed));
+/* followed by my snap list, then prior parent snap list */
+
+#endif
diff --git a/fs/ceph/ceph_hash.c b/fs/ceph/ceph_hash.c
new file mode 100644
index 000000000000..bd570015d147
--- /dev/null
+++ b/fs/ceph/ceph_hash.c
@@ -0,0 +1,118 @@
+
+#include "types.h"
+
+/*
+ * Robert Jenkin's hash function.
+ * http://burtleburtle.net/bob/hash/evahash.html
+ * This is in the public domain.
+ */
+#define mix(a, b, c)						\
+	do {							\
+		a = a - b;  a = a - c;  a = a ^ (c >> 13);	\
+		b = b - c;  b = b - a;  b = b ^ (a << 8);	\
+		c = c - a;  c = c - b;  c = c ^ (b >> 13);	\
+		a = a - b;  a = a - c;  a = a ^ (c >> 12);	\
+		b = b - c;  b = b - a;  b = b ^ (a << 16);	\
+		c = c - a;  c = c - b;  c = c ^ (b >> 5);	\
+		a = a - b;  a = a - c;  a = a ^ (c >> 3);	\
+		b = b - c;  b = b - a;  b = b ^ (a << 10);	\
+		c = c - a;  c = c - b;  c = c ^ (b >> 15);	\
+	} while (0)
+
+unsigned ceph_str_hash_rjenkins(const char *str, unsigned length)
+{
+	const unsigned char *k = (const unsigned char *)str;
+	__u32 a, b, c;  /* the internal state */
+	__u32 len;      /* how many key bytes still need mixing */
+
+	/* Set up the internal state */
+	len = length;
+	a = 0x9e3779b9;      /* the golden ratio; an arbitrary value */
+	b = a;
+	c = 0;               /* variable initialization of internal state */
+
+	/* handle most of the key */
+	while (len >= 12) {
+		a = a + (k[0] + ((__u32)k[1] << 8) + ((__u32)k[2] << 16) +
+			 ((__u32)k[3] << 24));
+		b = b + (k[4] + ((__u32)k[5] << 8) + ((__u32)k[6] << 16) +
+			 ((__u32)k[7] << 24));
+		c = c + (k[8] + ((__u32)k[9] << 8) + ((__u32)k[10] << 16) +
+			 ((__u32)k[11] << 24));
+		mix(a, b, c);
+		k = k + 12;
+		len = len - 12;
+	}
+
+	/* handle the last 11 bytes */
+	c = c + length;
+	switch (len) {            /* all the case statements fall through */
+	case 11:
+		c = c + ((__u32)k[10] << 24);
+	case 10:
+		c = c + ((__u32)k[9] << 16);
+	case 9:
+		c = c + ((__u32)k[8] << 8);
+		/* the first byte of c is reserved for the length */
+	case 8:
+		b = b + ((__u32)k[7] << 24);
+	case 7:
+		b = b + ((__u32)k[6] << 16);
+	case 6:
+		b = b + ((__u32)k[5] << 8);
+	case 5:
+		b = b + k[4];
+	case 4:
+		a = a + ((__u32)k[3] << 24);
+	case 3:
+		a = a + ((__u32)k[2] << 16);
+	case 2:
+		a = a + ((__u32)k[1] << 8);
+	case 1:
+		a = a + k[0];
+		/* case 0: nothing left to add */
+	}
+	mix(a, b, c);
+
+	return c;
+}
+
+/*
+ * linux dcache hash
+ */
+unsigned ceph_str_hash_linux(const char *str, unsigned length)
+{
+	unsigned long hash = 0;
+	unsigned char c;
+
+	while (length--) {
+		c = *str++;
+		hash = (hash + (c << 4) + (c >> 4)) * 11;
+	}
+	return hash;
+}
+
+
+unsigned ceph_str_hash(int type, const char *s, unsigned len)
+{
+	switch (type) {
+	case CEPH_STR_HASH_LINUX:
+		return ceph_str_hash_linux(s, len);
+	case CEPH_STR_HASH_RJENKINS:
+		return ceph_str_hash_rjenkins(s, len);
+	default:
+		return -1;
+	}
+}
+
+const char *ceph_str_hash_name(int type)
+{
+	switch (type) {
+	case CEPH_STR_HASH_LINUX:
+		return "linux";
+	case CEPH_STR_HASH_RJENKINS:
+		return "rjenkins";
+	default:
+		return "unknown";
+	}
+}
diff --git a/fs/ceph/ceph_hash.h b/fs/ceph/ceph_hash.h
new file mode 100644
index 000000000000..5ac470c433c9
--- /dev/null
+++ b/fs/ceph/ceph_hash.h
@@ -0,0 +1,13 @@
+#ifndef _FS_CEPH_HASH_H
+#define _FS_CEPH_HASH_H
+
+#define CEPH_STR_HASH_LINUX      0x1  /* linux dcache hash */
+#define CEPH_STR_HASH_RJENKINS   0x2  /* robert jenkins' */
+
+extern unsigned ceph_str_hash_linux(const char *s, unsigned len);
+extern unsigned ceph_str_hash_rjenkins(const char *s, unsigned len);
+
+extern unsigned ceph_str_hash(int type, const char *s, unsigned len);
+extern const char *ceph_str_hash_name(int type);
+
+#endif
diff --git a/fs/ceph/ceph_strings.c b/fs/ceph/ceph_strings.c
new file mode 100644
index 000000000000..8e4be6a80c62
--- /dev/null
+++ b/fs/ceph/ceph_strings.c
@@ -0,0 +1,176 @@
+/*
+ * Ceph string constants
+ */
+#include "types.h"
+
+const char *ceph_entity_type_name(int type)
+{
+	switch (type) {
+	case CEPH_ENTITY_TYPE_MDS: return "mds";
+	case CEPH_ENTITY_TYPE_OSD: return "osd";
+	case CEPH_ENTITY_TYPE_MON: return "mon";
+	case CEPH_ENTITY_TYPE_CLIENT: return "client";
+	case CEPH_ENTITY_TYPE_ADMIN: return "admin";
+	case CEPH_ENTITY_TYPE_AUTH: return "auth";
+	default: return "unknown";
+	}
+}
+
+const char *ceph_osd_op_name(int op)
+{
+	switch (op) {
+	case CEPH_OSD_OP_READ: return "read";
+	case CEPH_OSD_OP_STAT: return "stat";
+
+	case CEPH_OSD_OP_MASKTRUNC: return "masktrunc";
+
+	case CEPH_OSD_OP_WRITE: return "write";
+	case CEPH_OSD_OP_DELETE: return "delete";
+	case CEPH_OSD_OP_TRUNCATE: return "truncate";
+	case CEPH_OSD_OP_ZERO: return "zero";
+	case CEPH_OSD_OP_WRITEFULL: return "writefull";
+
+	case CEPH_OSD_OP_APPEND: return "append";
+	case CEPH_OSD_OP_STARTSYNC: return "startsync";
+	case CEPH_OSD_OP_SETTRUNC: return "settrunc";
+	case CEPH_OSD_OP_TRIMTRUNC: return "trimtrunc";
+
+	case CEPH_OSD_OP_TMAPUP: return "tmapup";
+	case CEPH_OSD_OP_TMAPGET: return "tmapget";
+	case CEPH_OSD_OP_TMAPPUT: return "tmapput";
+
+	case CEPH_OSD_OP_GETXATTR: return "getxattr";
+	case CEPH_OSD_OP_GETXATTRS: return "getxattrs";
+	case CEPH_OSD_OP_SETXATTR: return "setxattr";
+	case CEPH_OSD_OP_SETXATTRS: return "setxattrs";
+	case CEPH_OSD_OP_RESETXATTRS: return "resetxattrs";
+	case CEPH_OSD_OP_RMXATTR: return "rmxattr";
+
+	case CEPH_OSD_OP_PULL: return "pull";
+	case CEPH_OSD_OP_PUSH: return "push";
+	case CEPH_OSD_OP_BALANCEREADS: return "balance-reads";
+	case CEPH_OSD_OP_UNBALANCEREADS: return "unbalance-reads";
+	case CEPH_OSD_OP_SCRUB: return "scrub";
+
+	case CEPH_OSD_OP_WRLOCK: return "wrlock";
+	case CEPH_OSD_OP_WRUNLOCK: return "wrunlock";
+	case CEPH_OSD_OP_RDLOCK: return "rdlock";
+	case CEPH_OSD_OP_RDUNLOCK: return "rdunlock";
+	case CEPH_OSD_OP_UPLOCK: return "uplock";
+	case CEPH_OSD_OP_DNLOCK: return "dnlock";
+
+	case CEPH_OSD_OP_CALL: return "call";
+
+	case CEPH_OSD_OP_PGLS: return "pgls";
+	}
+	return "???";
+}
+
+const char *ceph_mds_state_name(int s)
+{
+	switch (s) {
+		/* down and out */
+	case CEPH_MDS_STATE_DNE:        return "down:dne";
+	case CEPH_MDS_STATE_STOPPED:    return "down:stopped";
+		/* up and out */
+	case CEPH_MDS_STATE_BOOT:       return "up:boot";
+	case CEPH_MDS_STATE_STANDBY:    return "up:standby";
+	case CEPH_MDS_STATE_STANDBY_REPLAY:    return "up:standby-replay";
+	case CEPH_MDS_STATE_CREATING:   return "up:creating";
+	case CEPH_MDS_STATE_STARTING:   return "up:starting";
+		/* up and in */
+	case CEPH_MDS_STATE_REPLAY:     return "up:replay";
+	case CEPH_MDS_STATE_RESOLVE:    return "up:resolve";
+	case CEPH_MDS_STATE_RECONNECT:  return "up:reconnect";
+	case CEPH_MDS_STATE_REJOIN:     return "up:rejoin";
+	case CEPH_MDS_STATE_CLIENTREPLAY: return "up:clientreplay";
+	case CEPH_MDS_STATE_ACTIVE:     return "up:active";
+	case CEPH_MDS_STATE_STOPPING:   return "up:stopping";
+	}
+	return "???";
+}
+
+const char *ceph_session_op_name(int op)
+{
+	switch (op) {
+	case CEPH_SESSION_REQUEST_OPEN: return "request_open";
+	case CEPH_SESSION_OPEN: return "open";
+	case CEPH_SESSION_REQUEST_CLOSE: return "request_close";
+	case CEPH_SESSION_CLOSE: return "close";
+	case CEPH_SESSION_REQUEST_RENEWCAPS: return "request_renewcaps";
+	case CEPH_SESSION_RENEWCAPS: return "renewcaps";
+	case CEPH_SESSION_STALE: return "stale";
+	case CEPH_SESSION_RECALL_STATE: return "recall_state";
+	}
+	return "???";
+}
+
+const char *ceph_mds_op_name(int op)
+{
+	switch (op) {
+	case CEPH_MDS_OP_LOOKUP:  return "lookup";
+	case CEPH_MDS_OP_LOOKUPHASH:  return "lookuphash";
+	case CEPH_MDS_OP_LOOKUPPARENT:  return "lookupparent";
+	case CEPH_MDS_OP_GETATTR:  return "getattr";
+	case CEPH_MDS_OP_SETXATTR: return "setxattr";
+	case CEPH_MDS_OP_SETATTR: return "setattr";
+	case CEPH_MDS_OP_RMXATTR: return "rmxattr";
+	case CEPH_MDS_OP_READDIR: return "readdir";
+	case CEPH_MDS_OP_MKNOD: return "mknod";
+	case CEPH_MDS_OP_LINK: return "link";
+	case CEPH_MDS_OP_UNLINK: return "unlink";
+	case CEPH_MDS_OP_RENAME: return "rename";
+	case CEPH_MDS_OP_MKDIR: return "mkdir";
+	case CEPH_MDS_OP_RMDIR: return "rmdir";
+	case CEPH_MDS_OP_SYMLINK: return "symlink";
+	case CEPH_MDS_OP_CREATE: return "create";
+	case CEPH_MDS_OP_OPEN: return "open";
+	case CEPH_MDS_OP_LOOKUPSNAP: return "lookupsnap";
+	case CEPH_MDS_OP_LSSNAP: return "lssnap";
+	case CEPH_MDS_OP_MKSNAP: return "mksnap";
+	case CEPH_MDS_OP_RMSNAP: return "rmsnap";
+	}
+	return "???";
+}
+
+const char *ceph_cap_op_name(int op)
+{
+	switch (op) {
+	case CEPH_CAP_OP_GRANT: return "grant";
+	case CEPH_CAP_OP_REVOKE: return "revoke";
+	case CEPH_CAP_OP_TRUNC: return "trunc";
+	case CEPH_CAP_OP_EXPORT: return "export";
+	case CEPH_CAP_OP_IMPORT: return "import";
+	case CEPH_CAP_OP_UPDATE: return "update";
+	case CEPH_CAP_OP_DROP: return "drop";
+	case CEPH_CAP_OP_FLUSH: return "flush";
+	case CEPH_CAP_OP_FLUSH_ACK: return "flush_ack";
+	case CEPH_CAP_OP_FLUSHSNAP: return "flushsnap";
+	case CEPH_CAP_OP_FLUSHSNAP_ACK: return "flushsnap_ack";
+	case CEPH_CAP_OP_RELEASE: return "release";
+	case CEPH_CAP_OP_RENEW: return "renew";
+	}
+	return "???";
+}
+
+const char *ceph_lease_op_name(int o)
+{
+	switch (o) {
+	case CEPH_MDS_LEASE_REVOKE: return "revoke";
+	case CEPH_MDS_LEASE_RELEASE: return "release";
+	case CEPH_MDS_LEASE_RENEW: return "renew";
+	case CEPH_MDS_LEASE_REVOKE_ACK: return "revoke_ack";
+	}
+	return "???";
+}
+
+const char *ceph_snap_op_name(int o)
+{
+	switch (o) {
+	case CEPH_SNAP_OP_UPDATE: return "update";
+	case CEPH_SNAP_OP_CREATE: return "create";
+	case CEPH_SNAP_OP_DESTROY: return "destroy";
+	case CEPH_SNAP_OP_SPLIT: return "split";
+	}
+	return "???";
+}
diff --git a/fs/ceph/crush/crush.c b/fs/ceph/crush/crush.c
new file mode 100644
index 000000000000..fabd302e5779
--- /dev/null
+++ b/fs/ceph/crush/crush.c
@@ -0,0 +1,151 @@
+
+#ifdef __KERNEL__
+# include <linux/slab.h>
+#else
+# include <stdlib.h>
+# include <assert.h>
+# define kfree(x) do { if (x) free(x); } while (0)
+# define BUG_ON(x) assert(!(x))
+#endif
+
+#include "crush.h"
+
+const char *crush_bucket_alg_name(int alg)
+{
+	switch (alg) {
+	case CRUSH_BUCKET_UNIFORM: return "uniform";
+	case CRUSH_BUCKET_LIST: return "list";
+	case CRUSH_BUCKET_TREE: return "tree";
+	case CRUSH_BUCKET_STRAW: return "straw";
+	default: return "unknown";
+	}
+}
+
+/**
+ * crush_get_bucket_item_weight - Get weight of an item in given bucket
+ * @b: bucket pointer
+ * @p: item index in bucket
+ */
+int crush_get_bucket_item_weight(struct crush_bucket *b, int p)
+{
+	if (p >= b->size)
+		return 0;
+
+	switch (b->alg) {
+	case CRUSH_BUCKET_UNIFORM:
+		return ((struct crush_bucket_uniform *)b)->item_weight;
+	case CRUSH_BUCKET_LIST:
+		return ((struct crush_bucket_list *)b)->item_weights[p];
+	case CRUSH_BUCKET_TREE:
+		if (p & 1)
+			return ((struct crush_bucket_tree *)b)->node_weights[p];
+		return 0;
+	case CRUSH_BUCKET_STRAW:
+		return ((struct crush_bucket_straw *)b)->item_weights[p];
+	}
+	return 0;
+}
+
+/**
+ * crush_calc_parents - Calculate parent vectors for the given crush map.
+ * @map: crush_map pointer
+ */
+void crush_calc_parents(struct crush_map *map)
+{
+	int i, b, c;
+
+	for (b = 0; b < map->max_buckets; b++) {
+		if (map->buckets[b] == NULL)
+			continue;
+		for (i = 0; i < map->buckets[b]->size; i++) {
+			c = map->buckets[b]->items[i];
+			BUG_ON(c >= map->max_devices ||
+			       c < -map->max_buckets);
+			if (c >= 0)
+				map->device_parents[c] = map->buckets[b]->id;
+			else
+				map->bucket_parents[-1-c] = map->buckets[b]->id;
+		}
+	}
+}
+
+void crush_destroy_bucket_uniform(struct crush_bucket_uniform *b)
+{
+	kfree(b->h.perm);
+	kfree(b->h.items);
+	kfree(b);
+}
+
+void crush_destroy_bucket_list(struct crush_bucket_list *b)
+{
+	kfree(b->item_weights);
+	kfree(b->sum_weights);
+	kfree(b->h.perm);
+	kfree(b->h.items);
+	kfree(b);
+}
+
+void crush_destroy_bucket_tree(struct crush_bucket_tree *b)
+{
+	kfree(b->node_weights);
+	kfree(b);
+}
+
+void crush_destroy_bucket_straw(struct crush_bucket_straw *b)
+{
+	kfree(b->straws);
+	kfree(b->item_weights);
+	kfree(b->h.perm);
+	kfree(b->h.items);
+	kfree(b);
+}
+
+void crush_destroy_bucket(struct crush_bucket *b)
+{
+	switch (b->alg) {
+	case CRUSH_BUCKET_UNIFORM:
+		crush_destroy_bucket_uniform((struct crush_bucket_uniform *)b);
+		break;
+	case CRUSH_BUCKET_LIST:
+		crush_destroy_bucket_list((struct crush_bucket_list *)b);
+		break;
+	case CRUSH_BUCKET_TREE:
+		crush_destroy_bucket_tree((struct crush_bucket_tree *)b);
+		break;
+	case CRUSH_BUCKET_STRAW:
+		crush_destroy_bucket_straw((struct crush_bucket_straw *)b);
+		break;
+	}
+}
+
+/**
+ * crush_destroy - Destroy a crush_map
+ * @map: crush_map pointer
+ */
+void crush_destroy(struct crush_map *map)
+{
+	int b;
+
+	/* buckets */
+	if (map->buckets) {
+		for (b = 0; b < map->max_buckets; b++) {
+			if (map->buckets[b] == NULL)
+				continue;
+			crush_destroy_bucket(map->buckets[b]);
+		}
+		kfree(map->buckets);
+	}
+
+	/* rules */
+	if (map->rules) {
+		for (b = 0; b < map->max_rules; b++)
+			kfree(map->rules[b]);
+		kfree(map->rules);
+	}
+
+	kfree(map->bucket_parents);
+	kfree(map->device_parents);
+	kfree(map);
+}
+
+
diff --git a/fs/ceph/crush/crush.h b/fs/ceph/crush/crush.h
new file mode 100644
index 000000000000..dcd7e7523700
--- /dev/null
+++ b/fs/ceph/crush/crush.h
@@ -0,0 +1,180 @@
+#ifndef _CRUSH_CRUSH_H
+#define _CRUSH_CRUSH_H
+
+#include <linux/types.h>
+
+/*
+ * CRUSH is a pseudo-random data distribution algorithm that
+ * efficiently distributes input values (typically, data objects)
+ * across a heterogeneous, structured storage cluster.
+ *
+ * The algorithm was originally described in detail in this paper
+ * (although the algorithm has evolved somewhat since then):
+ *
+ *     http://www.ssrc.ucsc.edu/Papers/weil-sc06.pdf
+ *
+ * LGPL2
+ */
+
+
+#define CRUSH_MAGIC 0x00010000ul   /* for detecting algorithm revisions */
+
+
+#define CRUSH_MAX_DEPTH 10  /* max crush hierarchy depth */
+#define CRUSH_MAX_SET   10  /* max size of a mapping result */
+
+
+/*
+ * CRUSH uses user-defined "rules" to describe how inputs should be
+ * mapped to devices.  A rule consists of sequence of steps to perform
+ * to generate the set of output devices.
+ */
+struct crush_rule_step {
+	__u32 op;
+	__s32 arg1;
+	__s32 arg2;
+};
+
+/* step op codes */
+enum {
+	CRUSH_RULE_NOOP = 0,
+	CRUSH_RULE_TAKE = 1,          /* arg1 = value to start with */
+	CRUSH_RULE_CHOOSE_FIRSTN = 2, /* arg1 = num items to pick */
+				      /* arg2 = type */
+	CRUSH_RULE_CHOOSE_INDEP = 3,  /* same */
+	CRUSH_RULE_EMIT = 4,          /* no args */
+	CRUSH_RULE_CHOOSE_LEAF_FIRSTN = 6,
+	CRUSH_RULE_CHOOSE_LEAF_INDEP = 7,
+};
+
+/*
+ * for specifying choose num (arg1) relative to the max parameter
+ * passed to do_rule
+ */
+#define CRUSH_CHOOSE_N            0
+#define CRUSH_CHOOSE_N_MINUS(x)   (-(x))
+
+/*
+ * The rule mask is used to describe what the rule is intended for.
+ * Given a ruleset and size of output set, we search through the
+ * rule list for a matching rule_mask.
+ */
+struct crush_rule_mask {
+	__u8 ruleset;
+	__u8 type;
+	__u8 min_size;
+	__u8 max_size;
+};
+
+struct crush_rule {
+	__u32 len;
+	struct crush_rule_mask mask;
+	struct crush_rule_step steps[0];
+};
+
+#define crush_rule_size(len) (sizeof(struct crush_rule) + \
+			      (len)*sizeof(struct crush_rule_step))
+
+
+
+/*
+ * A bucket is a named container of other items (either devices or
+ * other buckets).  Items within a bucket are chosen using one of a
+ * few different algorithms.  The table summarizes how the speed of
+ * each option measures up against mapping stability when items are
+ * added or removed.
+ *
+ *  Bucket Alg     Speed       Additions    Removals
+ *  ------------------------------------------------
+ *  uniform         O(1)       poor         poor
+ *  list            O(n)       optimal      poor
+ *  tree            O(log n)   good         good
+ *  straw           O(n)       optimal      optimal
+ */
+enum {
+	CRUSH_BUCKET_UNIFORM = 1,
+	CRUSH_BUCKET_LIST = 2,
+	CRUSH_BUCKET_TREE = 3,
+	CRUSH_BUCKET_STRAW = 4
+};
+extern const char *crush_bucket_alg_name(int alg);
+
+struct crush_bucket {
+	__s32 id;        /* this'll be negative */
+	__u16 type;      /* non-zero; type=0 is reserved for devices */
+	__u8 alg;        /* one of CRUSH_BUCKET_* */
+	__u8 hash;       /* which hash function to use, CRUSH_HASH_* */
+	__u32 weight;    /* 16-bit fixed point */
+	__u32 size;      /* num items */
+	__s32 *items;
+
+	/*
+	 * cached random permutation: used for uniform bucket and for
+	 * the linear search fallback for the other bucket types.
+	 */
+	__u32 perm_x;  /* @x for which *perm is defined */
+	__u32 perm_n;  /* num elements of *perm that are permuted/defined */
+	__u32 *perm;
+};
+
+struct crush_bucket_uniform {
+	struct crush_bucket h;
+	__u32 item_weight;  /* 16-bit fixed point; all items equally weighted */
+};
+
+struct crush_bucket_list {
+	struct crush_bucket h;
+	__u32 *item_weights;  /* 16-bit fixed point */
+	__u32 *sum_weights;   /* 16-bit fixed point.  element i is sum
+				 of weights 0..i, inclusive */
+};
+
+struct crush_bucket_tree {
+	struct crush_bucket h;  /* note: h.size is _tree_ size, not number of
+				   actual items */
+	__u8 num_nodes;
+	__u32 *node_weights;
+};
+
+struct crush_bucket_straw {
+	struct crush_bucket h;
+	__u32 *item_weights;   /* 16-bit fixed point */
+	__u32 *straws;         /* 16-bit fixed point */
+};
+
+
+
+/*
+ * CRUSH map includes all buckets, rules, etc.
+ */
+struct crush_map {
+	struct crush_bucket **buckets;
+	struct crush_rule **rules;
+
+	/*
+	 * Parent pointers to identify the parent bucket a device or
+	 * bucket in the hierarchy.  If an item appears more than
+	 * once, this is the _last_ time it appeared (where buckets
+	 * are processed in bucket id order, from -1 on down to
+	 * -max_buckets.
+	 */
+	__u32 *bucket_parents;
+	__u32 *device_parents;
+
+	__s32 max_buckets;
+	__u32 max_rules;
+	__s32 max_devices;
+};
+
+
+/* crush.c */
+extern int crush_get_bucket_item_weight(struct crush_bucket *b, int pos);
+extern void crush_calc_parents(struct crush_map *map);
+extern void crush_destroy_bucket_uniform(struct crush_bucket_uniform *b);
+extern void crush_destroy_bucket_list(struct crush_bucket_list *b);
+extern void crush_destroy_bucket_tree(struct crush_bucket_tree *b);
+extern void crush_destroy_bucket_straw(struct crush_bucket_straw *b);
+extern void crush_destroy_bucket(struct crush_bucket *b);
+extern void crush_destroy(struct crush_map *map);
+
+#endif
diff --git a/fs/ceph/crush/hash.c b/fs/ceph/crush/hash.c
new file mode 100644
index 000000000000..5873aed694bf
--- /dev/null
+++ b/fs/ceph/crush/hash.c
@@ -0,0 +1,149 @@
+
+#include <linux/types.h>
+#include "hash.h"
+
+/*
+ * Robert Jenkins' function for mixing 32-bit values
+ * http://burtleburtle.net/bob/hash/evahash.html
+ * a, b = random bits, c = input and output
+ */
+#define crush_hashmix(a, b, c) do {			\
+		a = a-b;  a = a-c;  a = a^(c>>13);	\
+		b = b-c;  b = b-a;  b = b^(a<<8);	\
+		c = c-a;  c = c-b;  c = c^(b>>13);	\
+		a = a-b;  a = a-c;  a = a^(c>>12);	\
+		b = b-c;  b = b-a;  b = b^(a<<16);	\
+		c = c-a;  c = c-b;  c = c^(b>>5);	\
+		a = a-b;  a = a-c;  a = a^(c>>3);	\
+		b = b-c;  b = b-a;  b = b^(a<<10);	\
+		c = c-a;  c = c-b;  c = c^(b>>15);	\
+	} while (0)
+
+#define crush_hash_seed 1315423911
+
+static __u32 crush_hash32_rjenkins1(__u32 a)
+{
+	__u32 hash = crush_hash_seed ^ a;
+	__u32 b = a;
+	__u32 x = 231232;
+	__u32 y = 1232;
+	crush_hashmix(b, x, hash);
+	crush_hashmix(y, a, hash);
+	return hash;
+}
+
+static __u32 crush_hash32_rjenkins1_2(__u32 a, __u32 b)
+{
+	__u32 hash = crush_hash_seed ^ a ^ b;
+	__u32 x = 231232;
+	__u32 y = 1232;
+	crush_hashmix(a, b, hash);
+	crush_hashmix(x, a, hash);
+	crush_hashmix(b, y, hash);
+	return hash;
+}
+
+static __u32 crush_hash32_rjenkins1_3(__u32 a, __u32 b, __u32 c)
+{
+	__u32 hash = crush_hash_seed ^ a ^ b ^ c;
+	__u32 x = 231232;
+	__u32 y = 1232;
+	crush_hashmix(a, b, hash);
+	crush_hashmix(c, x, hash);
+	crush_hashmix(y, a, hash);
+	crush_hashmix(b, x, hash);
+	crush_hashmix(y, c, hash);
+	return hash;
+}
+
+static __u32 crush_hash32_rjenkins1_4(__u32 a, __u32 b, __u32 c, __u32 d)
+{
+	__u32 hash = crush_hash_seed ^ a ^ b ^ c ^ d;
+	__u32 x = 231232;
+	__u32 y = 1232;
+	crush_hashmix(a, b, hash);
+	crush_hashmix(c, d, hash);
+	crush_hashmix(a, x, hash);
+	crush_hashmix(y, b, hash);
+	crush_hashmix(c, x, hash);
+	crush_hashmix(y, d, hash);
+	return hash;
+}
+
+static __u32 crush_hash32_rjenkins1_5(__u32 a, __u32 b, __u32 c, __u32 d,
+				      __u32 e)
+{
+	__u32 hash = crush_hash_seed ^ a ^ b ^ c ^ d ^ e;
+	__u32 x = 231232;
+	__u32 y = 1232;
+	crush_hashmix(a, b, hash);
+	crush_hashmix(c, d, hash);
+	crush_hashmix(e, x, hash);
+	crush_hashmix(y, a, hash);
+	crush_hashmix(b, x, hash);
+	crush_hashmix(y, c, hash);
+	crush_hashmix(d, x, hash);
+	crush_hashmix(y, e, hash);
+	return hash;
+}
+
+
+__u32 crush_hash32(int type, __u32 a)
+{
+	switch (type) {
+	case CRUSH_HASH_RJENKINS1:
+		return crush_hash32_rjenkins1(a);
+	default:
+		return 0;
+	}
+}
+
+__u32 crush_hash32_2(int type, __u32 a, __u32 b)
+{
+	switch (type) {
+	case CRUSH_HASH_RJENKINS1:
+		return crush_hash32_rjenkins1_2(a, b);
+	default:
+		return 0;
+	}
+}
+
+__u32 crush_hash32_3(int type, __u32 a, __u32 b, __u32 c)
+{
+	switch (type) {
+	case CRUSH_HASH_RJENKINS1:
+		return crush_hash32_rjenkins1_3(a, b, c);
+	default:
+		return 0;
+	}
+}
+
+__u32 crush_hash32_4(int type, __u32 a, __u32 b, __u32 c, __u32 d)
+{
+	switch (type) {
+	case CRUSH_HASH_RJENKINS1:
+		return crush_hash32_rjenkins1_4(a, b, c, d);
+	default:
+		return 0;
+	}
+}
+
+__u32 crush_hash32_5(int type, __u32 a, __u32 b, __u32 c, __u32 d, __u32 e)
+{
+	switch (type) {
+	case CRUSH_HASH_RJENKINS1:
+		return crush_hash32_rjenkins1_5(a, b, c, d, e);
+	default:
+		return 0;
+	}
+}
+
+const char *crush_hash_name(int type)
+{
+	switch (type) {
+	case CRUSH_HASH_RJENKINS1:
+		return "rjenkins1";
+	default:
+		return "unknown";
+	}
+}
diff --git a/fs/ceph/crush/hash.h b/fs/ceph/crush/hash.h
new file mode 100644
index 000000000000..ff48e110e4bb
--- /dev/null
+++ b/fs/ceph/crush/hash.h
@@ -0,0 +1,17 @@
+#ifndef _CRUSH_HASH_H
+#define _CRUSH_HASH_H
+
+#define CRUSH_HASH_RJENKINS1   0
+
+#define CRUSH_HASH_DEFAULT CRUSH_HASH_RJENKINS1
+
+extern const char *crush_hash_name(int type);
+
+extern __u32 crush_hash32(int type, __u32 a);
+extern __u32 crush_hash32_2(int type, __u32 a, __u32 b);
+extern __u32 crush_hash32_3(int type, __u32 a, __u32 b, __u32 c);
+extern __u32 crush_hash32_4(int type, __u32 a, __u32 b, __u32 c, __u32 d);
+extern __u32 crush_hash32_5(int type, __u32 a, __u32 b, __u32 c, __u32 d,
+			    __u32 e);
+
+#endif
diff --git a/fs/ceph/crush/mapper.c b/fs/ceph/crush/mapper.c
new file mode 100644
index 000000000000..9ba54efb6543
--- /dev/null
+++ b/fs/ceph/crush/mapper.c
@@ -0,0 +1,596 @@
+
+#ifdef __KERNEL__
+# include <linux/string.h>
+# include <linux/slab.h>
+# include <linux/bug.h>
+# include <linux/kernel.h>
+# ifndef dprintk
+#  define dprintk(args...)
+# endif
+#else
+# include <string.h>
+# include <stdio.h>
+# include <stdlib.h>
+# include <assert.h>
+# define BUG_ON(x) assert(!(x))
+# define dprintk(args...) /* printf(args) */
+# define kmalloc(x, f) malloc(x)
+# define kfree(x) free(x)
+#endif
+
+#include "crush.h"
+#include "hash.h"
+
+/*
+ * Implement the core CRUSH mapping algorithm.
+ */
+
+/**
+ * crush_find_rule - find a crush_rule id for a given ruleset, type, and size.
+ * @map: the crush_map
+ * @ruleset: the storage ruleset id (user defined)
+ * @type: storage ruleset type (user defined)
+ * @size: output set size
+ */
+int crush_find_rule(struct crush_map *map, int ruleset, int type, int size)
+{
+	int i;
+
+	for (i = 0; i < map->max_rules; i++) {
+		if (map->rules[i] &&
+		    map->rules[i]->mask.ruleset == ruleset &&
+		    map->rules[i]->mask.type == type &&
+		    map->rules[i]->mask.min_size <= size &&
+		    map->rules[i]->mask.max_size >= size)
+			return i;
+	}
+	return -1;
+}
+
+
+/*
+ * bucket choose methods
+ *
+ * For each bucket algorithm, we have a "choose" method that, given a
+ * crush input @x and replica position (usually, position in output set) @r,
+ * will produce an item in the bucket.
+ */
+
+/*
+ * Choose based on a random permutation of the bucket.
+ *
+ * We used to use some prime number arithmetic to do this, but it
+ * wasn't very random, and had some other bad behaviors.  Instead, we
+ * calculate an actual random permutation of the bucket members.
+ * Since this is expensive, we optimize for the r=0 case, which
+ * captures the vast majority of calls.
+ */
+static int bucket_perm_choose(struct crush_bucket *bucket,
+			      int x, int r)
+{
+	unsigned pr = r % bucket->size;
+	unsigned i, s;
+
+	/* start a new permutation if @x has changed */
+	if (bucket->perm_x != x || bucket->perm_n == 0) {
+		dprintk("bucket %d new x=%d\n", bucket->id, x);
+		bucket->perm_x = x;
+
+		/* optimize common r=0 case */
+		if (pr == 0) {
+			s = crush_hash32_3(bucket->hash, x, bucket->id, 0) %
+				bucket->size;
+			bucket->perm[0] = s;
+			bucket->perm_n = 0xffff;   /* magic value, see below */
+			goto out;
+		}
+
+		for (i = 0; i < bucket->size; i++)
+			bucket->perm[i] = i;
+		bucket->perm_n = 0;
+	} else if (bucket->perm_n == 0xffff) {
+		/* clean up after the r=0 case above */
+		for (i = 1; i < bucket->size; i++)
+			bucket->perm[i] = i;
+		bucket->perm[bucket->perm[0]] = 0;
+		bucket->perm_n = 1;
+	}
+
+	/* calculate permutation up to pr */
+	for (i = 0; i < bucket->perm_n; i++)
+		dprintk(" perm_choose have %d: %d\n", i, bucket->perm[i]);
+	while (bucket->perm_n <= pr) {
+		unsigned p = bucket->perm_n;
+		/* no point in swapping the final entry */
+		if (p < bucket->size - 1) {
+			i = crush_hash32_3(bucket->hash, x, bucket->id, p) %
+				(bucket->size - p);
+			if (i) {
+				unsigned t = bucket->perm[p + i];
+				bucket->perm[p + i] = bucket->perm[p];
+				bucket->perm[p] = t;
+			}
+			dprintk(" perm_choose swap %d with %d\n", p, p+i);
+		}
+		bucket->perm_n++;
+	}
+	for (i = 0; i < bucket->size; i++)
+		dprintk(" perm_choose  %d: %d\n", i, bucket->perm[i]);
+
+	s = bucket->perm[pr];
+out:
+	dprintk(" perm_choose %d sz=%d x=%d r=%d (%d) s=%d\n", bucket->id,
+		bucket->size, x, r, pr, s);
+	return bucket->items[s];
+}
+
+/* uniform */
+static int bucket_uniform_choose(struct crush_bucket_uniform *bucket,
+				 int x, int r)
+{
+	return bucket_perm_choose(&bucket->h, x, r);
+}
+
+/* list */
+static int bucket_list_choose(struct crush_bucket_list *bucket,
+			      int x, int r)
+{
+	int i;
+
+	for (i = bucket->h.size-1; i >= 0; i--) {
+		__u64 w = crush_hash32_4(bucket->h.hash,x, bucket->h.items[i],
+					 r, bucket->h.id);
+		w &= 0xffff;
+		dprintk("list_choose i=%d x=%d r=%d item %d weight %x "
+			"sw %x rand %llx",
+			i, x, r, bucket->h.items[i], bucket->item_weights[i],
+			bucket->sum_weights[i], w);
+		w *= bucket->sum_weights[i];
+		w = w >> 16;
+		/*dprintk(" scaled %llx\n", w);*/
+		if (w < bucket->item_weights[i])
+			return bucket->h.items[i];
+	}
+
+	BUG_ON(1);
+	return 0;
+}
+
+
+/* (binary) tree */
+static int height(int n)
+{
+	int h = 0;
+	while ((n & 1) == 0) {
+		h++;
+		n = n >> 1;
+	}
+	return h;
+}
+
+static int left(int x)
+{
+	int h = height(x);
+	return x - (1 << (h-1));
+}
+
+static int right(int x)
+{
+	int h = height(x);
+	return x + (1 << (h-1));
+}
+
+static int terminal(int x)
+{
+	return x & 1;
+}
+
+static int bucket_tree_choose(struct crush_bucket_tree *bucket,
+			      int x, int r)
+{
+	int n, l;
+	__u32 w;
+	__u64 t;
+
+	/* start at root */
+	n = bucket->num_nodes >> 1;
+
+	while (!terminal(n)) {
+		/* pick point in [0, w) */
+		w = bucket->node_weights[n];
+		t = (__u64)crush_hash32_4(bucket->h.hash, x, n, r,
+					  bucket->h.id) * (__u64)w;
+		t = t >> 32;
+
+		/* descend to the left or right? */
+		l = left(n);
+		if (t < bucket->node_weights[l])
+			n = l;
+		else
+			n = right(n);
+	}
+
+	return bucket->h.items[n >> 1];
+}
+
+
+/* straw */
+
+static int bucket_straw_choose(struct crush_bucket_straw *bucket,
+			       int x, int r)
+{
+	int i;
+	int high = 0;
+	__u64 high_draw = 0;
+	__u64 draw;
+
+	for (i = 0; i < bucket->h.size; i++) {
+		draw = crush_hash32_3(bucket->h.hash, x, bucket->h.items[i], r);
+		draw &= 0xffff;
+		draw *= bucket->straws[i];
+		if (i == 0 || draw > high_draw) {
+			high = i;
+			high_draw = draw;
+		}
+	}
+	return bucket->h.items[high];
+}
+
+static int crush_bucket_choose(struct crush_bucket *in, int x, int r)
+{
+	dprintk("choose %d x=%d r=%d\n", in->id, x, r);
+	switch (in->alg) {
+	case CRUSH_BUCKET_UNIFORM:
+		return bucket_uniform_choose((struct crush_bucket_uniform *)in,
+					  x, r);
+	case CRUSH_BUCKET_LIST:
+		return bucket_list_choose((struct crush_bucket_list *)in,
+					  x, r);
+	case CRUSH_BUCKET_TREE:
+		return bucket_tree_choose((struct crush_bucket_tree *)in,
+					  x, r);
+	case CRUSH_BUCKET_STRAW:
+		return bucket_straw_choose((struct crush_bucket_straw *)in,
+					   x, r);
+	default:
+		BUG_ON(1);
+		return in->items[0];
+	}
+}
+
+/*
+ * true if device is marked "out" (failed, fully offloaded)
+ * of the cluster
+ */
+static int is_out(struct crush_map *map, __u32 *weight, int item, int x)
+{
+	if (weight[item] >= 0x1000)
+		return 0;
+	if (weight[item] == 0)
+		return 1;
+	if ((crush_hash32_2(CRUSH_HASH_RJENKINS1, x, item) & 0xffff)
+	    < weight[item])
+		return 0;
+	return 1;
+}
+
+/**
+ * crush_choose - choose numrep distinct items of given type
+ * @map: the crush_map
+ * @bucket: the bucket we are choose an item from
+ * @x: crush input value
+ * @numrep: the number of items to choose
+ * @type: the type of item to choose
+ * @out: pointer to output vector
+ * @outpos: our position in that vector
+ * @firstn: true if choosing "first n" items, false if choosing "indep"
+ * @recurse_to_leaf: true if we want one device under each item of given type
+ * @out2: second output vector for leaf items (if @recurse_to_leaf)
+ */
+static int crush_choose(struct crush_map *map,
+			struct crush_bucket *bucket,
+			__u32 *weight,
+			int x, int numrep, int type,
+			int *out, int outpos,
+			int firstn, int recurse_to_leaf,
+			int *out2)
+{
+	int rep;
+	int ftotal, flocal;
+	int retry_descent, retry_bucket, skip_rep;
+	struct crush_bucket *in = bucket;
+	int r;
+	int i;
+	int item = 0;
+	int itemtype;
+	int collide, reject;
+	const int orig_tries = 5; /* attempts before we fall back to search */
+	dprintk("choose bucket %d x %d outpos %d\n", bucket->id, x, outpos);
+
+	for (rep = outpos; rep < numrep; rep++) {
+		/* keep trying until we get a non-out, non-colliding item */
+		ftotal = 0;
+		skip_rep = 0;
+		do {
+			retry_descent = 0;
+			in = bucket;               /* initial bucket */
+
+			/* choose through intervening buckets */
+			flocal = 0;
+			do {
+				collide = 0;
+				retry_bucket = 0;
+				r = rep;
+				if (in->alg == CRUSH_BUCKET_UNIFORM) {
+					/* be careful */
+					if (firstn || numrep >= in->size)
+						/* r' = r + f_total */
+						r += ftotal;
+					else if (in->size % numrep == 0)
+						/* r'=r+(n+1)*f_local */
+						r += (numrep+1) *
+							(flocal+ftotal);
+					else
+						/* r' = r + n*f_local */
+						r += numrep * (flocal+ftotal);
+				} else {
+					if (firstn)
+						/* r' = r + f_total */
+						r += ftotal;
+					else
+						/* r' = r + n*f_local */
+						r += numrep * (flocal+ftotal);
+				}
+
+				/* bucket choose */
+				if (in->size == 0) {
+					reject = 1;
+					goto reject;
+				}
+				if (flocal >= (in->size>>1) &&
+				    flocal > orig_tries)
+					item = bucket_perm_choose(in, x, r);
+				else
+					item = crush_bucket_choose(in, x, r);
+				BUG_ON(item >= map->max_devices);
+
+				/* desired type? */
+				if (item < 0)
+					itemtype = map->buckets[-1-item]->type;
+				else
+					itemtype = 0;
+				dprintk("  item %d type %d\n", item, itemtype);
+
+				/* keep going? */
+				if (itemtype != type) {
+					BUG_ON(item >= 0 ||
+					       (-1-item) >= map->max_buckets);
+					in = map->buckets[-1-item];
+					continue;
+				}
+
+				/* collision? */
+				for (i = 0; i < outpos; i++) {
+					if (out[i] == item) {
+						collide = 1;
+						break;
+					}
+				}
+
+				if (recurse_to_leaf &&
+				    item < 0 &&
+				    crush_choose(map, map->buckets[-1-item],
+						 weight,
+						 x, outpos+1, 0,
+						 out2, outpos,
+						 firstn, 0, NULL) <= outpos) {
+					reject = 1;
+				} else {
+					/* out? */
+					if (itemtype == 0)
+						reject = is_out(map, weight,
+								item, x);
+					else
+						reject = 0;
+				}
+
+reject:
+				if (reject || collide) {
+					ftotal++;
+					flocal++;
+
+					if (collide && flocal < 3)
+						/* retry locally a few times */
+						retry_bucket = 1;
+					else if (flocal < in->size + orig_tries)
+						/* exhaustive bucket search */
+						retry_bucket = 1;
+					else if (ftotal < 20)
+						/* then retry descent */
+						retry_descent = 1;
+					else
+						/* else give up */
+						skip_rep = 1;
+					dprintk("  reject %d  collide %d  "
+						"ftotal %d  flocal %d\n",
+						reject, collide, ftotal,
+						flocal);
+				}
+			} while (retry_bucket);
+		} while (retry_descent);
+
+		if (skip_rep) {
+			dprintk("skip rep\n");
+			continue;
+		}
+
+		dprintk("choose got %d\n", item);
+		out[outpos] = item;
+		outpos++;
+	}
+
+	dprintk("choose returns %d\n", outpos);
+	return outpos;
+}
+
+
+/**
+ * crush_do_rule - calculate a mapping with the given input and rule
+ * @map: the crush_map
+ * @ruleno: the rule id
+ * @x: hash input
+ * @result: pointer to result vector
+ * @result_max: maximum result size
+ * @force: force initial replica choice; -1 for none
+ */
+int crush_do_rule(struct crush_map *map,
+		  int ruleno, int x, int *result, int result_max,
+		  int force, __u32 *weight)
+{
+	int result_len;
+	int force_context[CRUSH_MAX_DEPTH];
+	int force_pos = -1;
+	int a[CRUSH_MAX_SET];
+	int b[CRUSH_MAX_SET];
+	int c[CRUSH_MAX_SET];
+	int recurse_to_leaf;
+	int *w;
+	int wsize = 0;
+	int *o;
+	int osize;
+	int *tmp;
+	struct crush_rule *rule;
+	int step;
+	int i, j;
+	int numrep;
+	int firstn;
+	int rc = -1;
+
+	BUG_ON(ruleno >= map->max_rules);
+
+	rule = map->rules[ruleno];
+	result_len = 0;
+	w = a;
+	o = b;
+
+	/*
+	 * determine hierarchical context of force, if any.  note
+	 * that this may or may not correspond to the specific types
+	 * referenced by the crush rule.
+	 */
+	if (force >= 0) {
+		if (force >= map->max_devices ||
+		    map->device_parents[force] == 0) {
+			/*dprintk("CRUSH: forcefed device dne\n");*/
+			rc = -1;  /* force fed device dne */
+			goto out;
+		}
+		if (!is_out(map, weight, force, x)) {
+			while (1) {
+				force_context[++force_pos] = force;
+				if (force >= 0)
+					force = map->device_parents[force];
+				else
+					force = map->bucket_parents[-1-force];
+				if (force == 0)
+					break;
+			}
+		}
+	}
+
+	for (step = 0; step < rule->len; step++) {
+		firstn = 0;
+		switch (rule->steps[step].op) {
+		case CRUSH_RULE_TAKE:
+			w[0] = rule->steps[step].arg1;
+			if (force_pos >= 0) {
+				BUG_ON(force_context[force_pos] != w[0]);
+				force_pos--;
+			}
+			wsize = 1;
+			break;
+
+		case CRUSH_RULE_CHOOSE_LEAF_FIRSTN:
+		case CRUSH_RULE_CHOOSE_FIRSTN:
+			firstn = 1;
+		case CRUSH_RULE_CHOOSE_LEAF_INDEP:
+		case CRUSH_RULE_CHOOSE_INDEP:
+			BUG_ON(wsize == 0);
+
+			recurse_to_leaf =
+				rule->steps[step].op ==
+				 CRUSH_RULE_CHOOSE_LEAF_FIRSTN ||
+				rule->steps[step].op ==
+				CRUSH_RULE_CHOOSE_LEAF_INDEP;
+
+			/* reset output */
+			osize = 0;
+
+			for (i = 0; i < wsize; i++) {
+				/*
+				 * see CRUSH_N, CRUSH_N_MINUS macros.
+				 * basically, numrep <= 0 means relative to
+				 * the provided result_max
+				 */
+				numrep = rule->steps[step].arg1;
+				if (numrep <= 0) {
+					numrep += result_max;
+					if (numrep <= 0)
+						continue;
+				}
+				j = 0;
+				if (osize == 0 && force_pos >= 0) {
+					/* skip any intermediate types */
+					while (force_pos &&
+					       force_context[force_pos] < 0 &&
+					       rule->steps[step].arg2 !=
+					       map->buckets[-1 -
+					       force_context[force_pos]]->type)
+						force_pos--;
+					o[osize] = force_context[force_pos];
+					if (recurse_to_leaf)
+						c[osize] = force_context[0];
+					j++;
+					force_pos--;
+				}
+				osize += crush_choose(map,
+						      map->buckets[-1-w[i]],
+						      weight,
+						      x, numrep,
+						      rule->steps[step].arg2,
+						      o+osize, j,
+						      firstn,
+						      recurse_to_leaf, c+osize);
+			}
+
+			if (recurse_to_leaf)
+				/* copy final _leaf_ values to output set */
+				memcpy(o, c, osize*sizeof(*o));
+
+			/* swap t and w arrays */
+			tmp = o;
+			o = w;
+			w = tmp;
+			wsize = osize;
+			break;
+
+
+		case CRUSH_RULE_EMIT:
+			for (i = 0; i < wsize && result_len < result_max; i++) {
+				result[result_len] = w[i];
+				result_len++;
+			}
+			wsize = 0;
+			break;
+
+		default:
+			BUG_ON(1);
+		}
+	}
+	rc = result_len;
+
+out:
+	return rc;
+}
+
+
diff --git a/fs/ceph/crush/mapper.h b/fs/ceph/crush/mapper.h
new file mode 100644
index 000000000000..98e90046fd9f
--- /dev/null
+++ b/fs/ceph/crush/mapper.h
@@ -0,0 +1,20 @@
+#ifndef _CRUSH_MAPPER_H
+#define _CRUSH_MAPPER_H
+
+/*
+ * CRUSH functions for find rules and then mapping an input to an
+ * output set.
+ *
+ * LGPL2
+ */
+
+#include "crush.h"
+
+extern int crush_find_rule(struct crush_map *map, int pool, int type, int size);
+extern int crush_do_rule(struct crush_map *map,
+			 int ruleno,
+			 int x, int *result, int result_max,
+			 int forcefeed,    /* -1 for none */
+			 __u32 *weights);
+
+#endif
diff --git a/fs/ceph/crypto.c b/fs/ceph/crypto.c
new file mode 100644
index 000000000000..291ac288e791
--- /dev/null
+++ b/fs/ceph/crypto.c
@@ -0,0 +1,408 @@
+
+#include "ceph_debug.h"
+
+#include <linux/err.h>
+#include <linux/scatterlist.h>
+#include <crypto/hash.h>
+
+#include "crypto.h"
+#include "decode.h"
+
+int ceph_crypto_key_encode(struct ceph_crypto_key *key, void **p, void *end)
+{
+	if (*p + sizeof(u16) + sizeof(key->created) +
+	    sizeof(u16) + key->len > end)
+		return -ERANGE;
+	ceph_encode_16(p, key->type);
+	ceph_encode_copy(p, &key->created, sizeof(key->created));
+	ceph_encode_16(p, key->len);
+	ceph_encode_copy(p, key->key, key->len);
+	return 0;
+}
+
+int ceph_crypto_key_decode(struct ceph_crypto_key *key, void **p, void *end)
+{
+	ceph_decode_need(p, end, 2*sizeof(u16) + sizeof(key->created), bad);
+	key->type = ceph_decode_16(p);
+	ceph_decode_copy(p, &key->created, sizeof(key->created));
+	key->len = ceph_decode_16(p);
+	ceph_decode_need(p, end, key->len, bad);
+	key->key = kmalloc(key->len, GFP_NOFS);
+	if (!key->key)
+		return -ENOMEM;
+	ceph_decode_copy(p, key->key, key->len);
+	return 0;
+
+bad:
+	dout("failed to decode crypto key\n");
+	return -EINVAL;
+}
+
+int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *inkey)
+{
+	int inlen = strlen(inkey);
+	int blen = inlen * 3 / 4;
+	void *buf, *p;
+	int ret;
+
+	dout("crypto_key_unarmor %s\n", inkey);
+	buf = kmalloc(blen, GFP_NOFS);
+	if (!buf)
+		return -ENOMEM;
+	blen = ceph_unarmor(buf, inkey, inkey+inlen);
+	if (blen < 0) {
+		kfree(buf);
+		return blen;
+	}
+
+	p = buf;
+	ret = ceph_crypto_key_decode(key, &p, p + blen);
+	kfree(buf);
+	if (ret)
+		return ret;
+	dout("crypto_key_unarmor key %p type %d len %d\n", key,
+	     key->type, key->len);
+	return 0;
+}
+
+
+
+#define AES_KEY_SIZE 16
+
+static struct crypto_blkcipher *ceph_crypto_alloc_cipher(void)
+{
+	return crypto_alloc_blkcipher("cbc(aes)", 0, CRYPTO_ALG_ASYNC);
+}
+
+const u8 *aes_iv = "cephsageyudagreg";
+
+int ceph_aes_encrypt(const void *key, int key_len, void *dst, size_t *dst_len,
+		     const void *src, size_t src_len)
+{
+	struct scatterlist sg_in[2], sg_out[1];
+	struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
+	struct blkcipher_desc desc = { .tfm = tfm, .flags = 0 };
+	int ret;
+	void *iv;
+	int ivsize;
+	size_t zero_padding = (0x10 - (src_len & 0x0f));
+	char pad[16];
+
+	if (IS_ERR(tfm))
+		return PTR_ERR(tfm);
+
+	memset(pad, zero_padding, zero_padding);
+
+	*dst_len = src_len + zero_padding;
+
+	crypto_blkcipher_setkey((void *)tfm, key, key_len);
+	sg_init_table(sg_in, 2);
+	sg_set_buf(&sg_in[0], src, src_len);
+	sg_set_buf(&sg_in[1], pad, zero_padding);
+	sg_init_table(sg_out, 1);
+	sg_set_buf(sg_out, dst, *dst_len);
+	iv = crypto_blkcipher_crt(tfm)->iv;
+	ivsize = crypto_blkcipher_ivsize(tfm);
+
+	memcpy(iv, aes_iv, ivsize);
+	/*
+	print_hex_dump(KERN_ERR, "enc key: ", DUMP_PREFIX_NONE, 16, 1,
+		       key, key_len, 1);
+	print_hex_dump(KERN_ERR, "enc src: ", DUMP_PREFIX_NONE, 16, 1,
+			src, src_len, 1);
+	print_hex_dump(KERN_ERR, "enc pad: ", DUMP_PREFIX_NONE, 16, 1,
+			pad, zero_padding, 1);
+	*/
+	ret = crypto_blkcipher_encrypt(&desc, sg_out, sg_in,
+				     src_len + zero_padding);
+	crypto_free_blkcipher(tfm);
+	if (ret < 0)
+		pr_err("ceph_aes_crypt failed %d\n", ret);
+	/*
+	print_hex_dump(KERN_ERR, "enc out: ", DUMP_PREFIX_NONE, 16, 1,
+		       dst, *dst_len, 1);
+	*/
+	return 0;
+}
+
+int ceph_aes_encrypt2(const void *key, int key_len, void *dst, size_t *dst_len,
+		      const void *src1, size_t src1_len,
+		      const void *src2, size_t src2_len)
+{
+	struct scatterlist sg_in[3], sg_out[1];
+	struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
+	struct blkcipher_desc desc = { .tfm = tfm, .flags = 0 };
+	int ret;
+	void *iv;
+	int ivsize;
+	size_t zero_padding = (0x10 - ((src1_len + src2_len) & 0x0f));
+	char pad[16];
+
+	if (IS_ERR(tfm))
+		return PTR_ERR(tfm);
+
+	memset(pad, zero_padding, zero_padding);
+
+	*dst_len = src1_len + src2_len + zero_padding;
+
+	crypto_blkcipher_setkey((void *)tfm, key, key_len);
+	sg_init_table(sg_in, 3);
+	sg_set_buf(&sg_in[0], src1, src1_len);
+	sg_set_buf(&sg_in[1], src2, src2_len);
+	sg_set_buf(&sg_in[2], pad, zero_padding);
+	sg_init_table(sg_out, 1);
+	sg_set_buf(sg_out, dst, *dst_len);
+	iv = crypto_blkcipher_crt(tfm)->iv;
+	ivsize = crypto_blkcipher_ivsize(tfm);
+
+	memcpy(iv, aes_iv, ivsize);
+	/*
+	print_hex_dump(KERN_ERR, "enc  key: ", DUMP_PREFIX_NONE, 16, 1,
+		       key, key_len, 1);
+	print_hex_dump(KERN_ERR, "enc src1: ", DUMP_PREFIX_NONE, 16, 1,
+			src1, src1_len, 1);
+	print_hex_dump(KERN_ERR, "enc src2: ", DUMP_PREFIX_NONE, 16, 1,
+			src2, src2_len, 1);
+	print_hex_dump(KERN_ERR, "enc  pad: ", DUMP_PREFIX_NONE, 16, 1,
+			pad, zero_padding, 1);
+	*/
+	ret = crypto_blkcipher_encrypt(&desc, sg_out, sg_in,
+				     src1_len + src2_len + zero_padding);
+	crypto_free_blkcipher(tfm);
+	if (ret < 0)
+		pr_err("ceph_aes_crypt2 failed %d\n", ret);
+	/*
+	print_hex_dump(KERN_ERR, "enc  out: ", DUMP_PREFIX_NONE, 16, 1,
+		       dst, *dst_len, 1);
+	*/
+	return 0;
+}
+
+int ceph_aes_decrypt(const void *key, int key_len, void *dst, size_t *dst_len,
+		     const void *src, size_t src_len)
+{
+	struct scatterlist sg_in[1], sg_out[2];
+	struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
+	struct blkcipher_desc desc = { .tfm = tfm };
+	char pad[16];
+	void *iv;
+	int ivsize;
+	int ret;
+	int last_byte;
+
+	if (IS_ERR(tfm))
+		return PTR_ERR(tfm);
+
+	crypto_blkcipher_setkey((void *)tfm, key, key_len);
+	sg_init_table(sg_in, 1);
+	sg_init_table(sg_out, 2);
+	sg_set_buf(sg_in, src, src_len);
+	sg_set_buf(&sg_out[0], dst, *dst_len);
+	sg_set_buf(&sg_out[1], pad, sizeof(pad));
+
+	iv = crypto_blkcipher_crt(tfm)->iv;
+	ivsize = crypto_blkcipher_ivsize(tfm);
+
+	memcpy(iv, aes_iv, ivsize);
+
+	/*
+	print_hex_dump(KERN_ERR, "dec key: ", DUMP_PREFIX_NONE, 16, 1,
+		       key, key_len, 1);
+	print_hex_dump(KERN_ERR, "dec  in: ", DUMP_PREFIX_NONE, 16, 1,
+		       src, src_len, 1);
+	*/
+
+	ret = crypto_blkcipher_decrypt(&desc, sg_out, sg_in, src_len);
+	crypto_free_blkcipher(tfm);
+	if (ret < 0) {
+		pr_err("ceph_aes_decrypt failed %d\n", ret);
+		return ret;
+	}
+
+	if (src_len <= *dst_len)
+		last_byte = ((char *)dst)[src_len - 1];
+	else
+		last_byte = pad[src_len - *dst_len - 1];
+	if (last_byte <= 16 && src_len >= last_byte) {
+		*dst_len = src_len - last_byte;
+	} else {
+		pr_err("ceph_aes_decrypt got bad padding %d on src len %d\n",
+		       last_byte, (int)src_len);
+		return -EPERM;  /* bad padding */
+	}
+	/*
+	print_hex_dump(KERN_ERR, "dec out: ", DUMP_PREFIX_NONE, 16, 1,
+		       dst, *dst_len, 1);
+	*/
+	return 0;
+}
+
+int ceph_aes_decrypt2(const void *key, int key_len,
+		      void *dst1, size_t *dst1_len,
+		      void *dst2, size_t *dst2_len,
+		      const void *src, size_t src_len)
+{
+	struct scatterlist sg_in[1], sg_out[3];
+	struct crypto_blkcipher *tfm = ceph_crypto_alloc_cipher();
+	struct blkcipher_desc desc = { .tfm = tfm };
+	char pad[16];
+	void *iv;
+	int ivsize;
+	int ret;
+	int last_byte;
+
+	if (IS_ERR(tfm))
+		return PTR_ERR(tfm);
+
+	sg_init_table(sg_in, 1);
+	sg_set_buf(sg_in, src, src_len);
+	sg_init_table(sg_out, 3);
+	sg_set_buf(&sg_out[0], dst1, *dst1_len);
+	sg_set_buf(&sg_out[1], dst2, *dst2_len);
+	sg_set_buf(&sg_out[2], pad, sizeof(pad));
+
+	crypto_blkcipher_setkey((void *)tfm, key, key_len);
+	iv = crypto_blkcipher_crt(tfm)->iv;
+	ivsize = crypto_blkcipher_ivsize(tfm);
+
+	memcpy(iv, aes_iv, ivsize);
+
+	/*
+	print_hex_dump(KERN_ERR, "dec  key: ", DUMP_PREFIX_NONE, 16, 1,
+		       key, key_len, 1);
+	print_hex_dump(KERN_ERR, "dec   in: ", DUMP_PREFIX_NONE, 16, 1,
+		       src, src_len, 1);
+	*/
+
+	ret = crypto_blkcipher_decrypt(&desc, sg_out, sg_in, src_len);
+	crypto_free_blkcipher(tfm);
+	if (ret < 0) {
+		pr_err("ceph_aes_decrypt failed %d\n", ret);
+		return ret;
+	}
+
+	if (src_len <= *dst1_len)
+		last_byte = ((char *)dst1)[src_len - 1];
+	else if (src_len <= *dst1_len + *dst2_len)
+		last_byte = ((char *)dst2)[src_len - *dst1_len - 1];
+	else
+		last_byte = pad[src_len - *dst1_len - *dst2_len - 1];
+	if (last_byte <= 16 && src_len >= last_byte) {
+		src_len -= last_byte;
+	} else {
+		pr_err("ceph_aes_decrypt got bad padding %d on src len %d\n",
+		       last_byte, (int)src_len);
+		return -EPERM;  /* bad padding */
+	}
+
+	if (src_len < *dst1_len) {
+		*dst1_len = src_len;
+		*dst2_len = 0;
+	} else {
+		*dst2_len = src_len - *dst1_len;
+	}
+	/*
+	print_hex_dump(KERN_ERR, "dec  out1: ", DUMP_PREFIX_NONE, 16, 1,
+		       dst1, *dst1_len, 1);
+	print_hex_dump(KERN_ERR, "dec  out2: ", DUMP_PREFIX_NONE, 16, 1,
+		       dst2, *dst2_len, 1);
+	*/
+
+	return 0;
+}
+
+
+int ceph_decrypt(struct ceph_crypto_key *secret, void *dst, size_t *dst_len,
+		 const void *src, size_t src_len)
+{
+	switch (secret->type) {
+	case CEPH_CRYPTO_NONE:
+		if (*dst_len < src_len)
+			return -ERANGE;
+		memcpy(dst, src, src_len);
+		*dst_len = src_len;
+		return 0;
+
+	case CEPH_CRYPTO_AES:
+		return ceph_aes_decrypt(secret->key, secret->len, dst,
+					dst_len, src, src_len);
+
+	default:
+		return -EINVAL;
+	}
+}
+
+int ceph_decrypt2(struct ceph_crypto_key *secret,
+			void *dst1, size_t *dst1_len,
+			void *dst2, size_t *dst2_len,
+			const void *src, size_t src_len)
+{
+	size_t t;
+
+	switch (secret->type) {
+	case CEPH_CRYPTO_NONE:
+		if (*dst1_len + *dst2_len < src_len)
+			return -ERANGE;
+		t = min(*dst1_len, src_len);
+		memcpy(dst1, src, t);
+		*dst1_len = t;
+		src += t;
+		src_len -= t;
+		if (src_len) {
+			t = min(*dst2_len, src_len);
+			memcpy(dst2, src, t);
+			*dst2_len = t;
+		}
+		return 0;
+
+	case CEPH_CRYPTO_AES:
+		return ceph_aes_decrypt2(secret->key, secret->len,
+					 dst1, dst1_len, dst2, dst2_len,
+					 src, src_len);
+
+	default:
+		return -EINVAL;
+	}
+}
+
+int ceph_encrypt(struct ceph_crypto_key *secret, void *dst, size_t *dst_len,
+		 const void *src, size_t src_len)
+{
+	switch (secret->type) {
+	case CEPH_CRYPTO_NONE:
+		if (*dst_len < src_len)
+			return -ERANGE;
+		memcpy(dst, src, src_len);
+		*dst_len = src_len;
+		return 0;
+
+	case CEPH_CRYPTO_AES:
+		return ceph_aes_encrypt(secret->key, secret->len, dst,
+					dst_len, src, src_len);
+
+	default:
+		return -EINVAL;
+	}
+}
+
+int ceph_encrypt2(struct ceph_crypto_key *secret, void *dst, size_t *dst_len,
+		  const void *src1, size_t src1_len,
+		  const void *src2, size_t src2_len)
+{
+	switch (secret->type) {
+	case CEPH_CRYPTO_NONE:
+		if (*dst_len < src1_len + src2_len)
+			return -ERANGE;
+		memcpy(dst, src1, src1_len);
+		memcpy(dst + src1_len, src2, src2_len);
+		*dst_len = src1_len + src2_len;
+		return 0;
+
+	case CEPH_CRYPTO_AES:
+		return ceph_aes_encrypt2(secret->key, secret->len, dst, dst_len,
+					 src1, src1_len, src2, src2_len);
+
+	default:
+		return -EINVAL;
+	}
+}
diff --git a/fs/ceph/crypto.h b/fs/ceph/crypto.h
new file mode 100644
index 000000000000..40b502e6bd89
--- /dev/null
+++ b/fs/ceph/crypto.h
@@ -0,0 +1,48 @@
+#ifndef _FS_CEPH_CRYPTO_H
+#define _FS_CEPH_CRYPTO_H
+
+#include "types.h"
+#include "buffer.h"
+
+/*
+ * cryptographic secret
+ */
+struct ceph_crypto_key {
+	int type;
+	struct ceph_timespec created;
+	int len;
+	void *key;
+};
+
+static inline void ceph_crypto_key_destroy(struct ceph_crypto_key *key)
+{
+	kfree(key->key);
+}
+
+extern int ceph_crypto_key_encode(struct ceph_crypto_key *key,
+				  void **p, void *end);
+extern int ceph_crypto_key_decode(struct ceph_crypto_key *key,
+				  void **p, void *end);
+extern int ceph_crypto_key_unarmor(struct ceph_crypto_key *key, const char *in);
+
+/* crypto.c */
+extern int ceph_decrypt(struct ceph_crypto_key *secret,
+			void *dst, size_t *dst_len,
+			const void *src, size_t src_len);
+extern int ceph_encrypt(struct ceph_crypto_key *secret,
+			void *dst, size_t *dst_len,
+			const void *src, size_t src_len);
+extern int ceph_decrypt2(struct ceph_crypto_key *secret,
+			void *dst1, size_t *dst1_len,
+			void *dst2, size_t *dst2_len,
+			const void *src, size_t src_len);
+extern int ceph_encrypt2(struct ceph_crypto_key *secret,
+			 void *dst, size_t *dst_len,
+			 const void *src1, size_t src1_len,
+			 const void *src2, size_t src2_len);
+
+/* armor.c */
+extern int ceph_armor(char *dst, const void *src, const void *end);
+extern int ceph_unarmor(void *dst, const char *src, const char *end);
+
+#endif
diff --git a/fs/ceph/debugfs.c b/fs/ceph/debugfs.c
new file mode 100644
index 000000000000..e159f1415110
--- /dev/null
+++ b/fs/ceph/debugfs.c
@@ -0,0 +1,483 @@
+#include "ceph_debug.h"
+
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/ctype.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+
+#include "super.h"
+#include "mds_client.h"
+#include "mon_client.h"
+#include "auth.h"
+
+#ifdef CONFIG_DEBUG_FS
+
+/*
+ * Implement /sys/kernel/debug/ceph fun
+ *
+ * /sys/kernel/debug/ceph/client*  - an instance of the ceph client
+ *      .../osdmap      - current osdmap
+ *      .../mdsmap      - current mdsmap
+ *      .../monmap      - current monmap
+ *      .../osdc        - active osd requests
+ *      .../mdsc        - active mds requests
+ *      .../monc        - mon client state
+ *      .../dentry_lru  - dump contents of dentry lru
+ *      .../caps        - expose cap (reservation) stats
+ *      .../bdi         - symlink to ../../bdi/something
+ */
+
+static struct dentry *ceph_debugfs_dir;
+
+static int monmap_show(struct seq_file *s, void *p)
+{
+	int i;
+	struct ceph_client *client = s->private;
+
+	if (client->monc.monmap == NULL)
+		return 0;
+
+	seq_printf(s, "epoch %d\n", client->monc.monmap->epoch);
+	for (i = 0; i < client->monc.monmap->num_mon; i++) {
+		struct ceph_entity_inst *inst =
+			&client->monc.monmap->mon_inst[i];
+
+		seq_printf(s, "\t%s%lld\t%s\n",
+			   ENTITY_NAME(inst->name),
+			   pr_addr(&inst->addr.in_addr));
+	}
+	return 0;
+}
+
+static int mdsmap_show(struct seq_file *s, void *p)
+{
+	int i;
+	struct ceph_client *client = s->private;
+
+	if (client->mdsc.mdsmap == NULL)
+		return 0;
+	seq_printf(s, "epoch %d\n", client->mdsc.mdsmap->m_epoch);
+	seq_printf(s, "root %d\n", client->mdsc.mdsmap->m_root);
+	seq_printf(s, "session_timeout %d\n",
+		       client->mdsc.mdsmap->m_session_timeout);
+	seq_printf(s, "session_autoclose %d\n",
+		       client->mdsc.mdsmap->m_session_autoclose);
+	for (i = 0; i < client->mdsc.mdsmap->m_max_mds; i++) {
+		struct ceph_entity_addr *addr =
+			&client->mdsc.mdsmap->m_info[i].addr;
+		int state = client->mdsc.mdsmap->m_info[i].state;
+
+		seq_printf(s, "\tmds%d\t%s\t(%s)\n", i, pr_addr(&addr->in_addr),
+			       ceph_mds_state_name(state));
+	}
+	return 0;
+}
+
+static int osdmap_show(struct seq_file *s, void *p)
+{
+	int i;
+	struct ceph_client *client = s->private;
+	struct rb_node *n;
+
+	if (client->osdc.osdmap == NULL)
+		return 0;
+	seq_printf(s, "epoch %d\n", client->osdc.osdmap->epoch);
+	seq_printf(s, "flags%s%s\n",
+		   (client->osdc.osdmap->flags & CEPH_OSDMAP_NEARFULL) ?
+		   " NEARFULL" : "",
+		   (client->osdc.osdmap->flags & CEPH_OSDMAP_FULL) ?
+		   " FULL" : "");
+	for (n = rb_first(&client->osdc.osdmap->pg_pools); n; n = rb_next(n)) {
+		struct ceph_pg_pool_info *pool =
+			rb_entry(n, struct ceph_pg_pool_info, node);
+		seq_printf(s, "pg_pool %d pg_num %d / %d, lpg_num %d / %d\n",
+			   pool->id, pool->v.pg_num, pool->pg_num_mask,
+			   pool->v.lpg_num, pool->lpg_num_mask);
+	}
+	for (i = 0; i < client->osdc.osdmap->max_osd; i++) {
+		struct ceph_entity_addr *addr =
+			&client->osdc.osdmap->osd_addr[i];
+		int state = client->osdc.osdmap->osd_state[i];
+		char sb[64];
+
+		seq_printf(s, "\tosd%d\t%s\t%3d%%\t(%s)\n",
+			   i, pr_addr(&addr->in_addr),
+			   ((client->osdc.osdmap->osd_weight[i]*100) >> 16),
+			   ceph_osdmap_state_str(sb, sizeof(sb), state));
+	}
+	return 0;
+}
+
+static int monc_show(struct seq_file *s, void *p)
+{
+	struct ceph_client *client = s->private;
+	struct ceph_mon_statfs_request *req;
+	struct ceph_mon_client *monc = &client->monc;
+	struct rb_node *rp;
+
+	mutex_lock(&monc->mutex);
+
+	if (monc->have_mdsmap)
+		seq_printf(s, "have mdsmap %u\n", (unsigned)monc->have_mdsmap);
+	if (monc->have_osdmap)
+		seq_printf(s, "have osdmap %u\n", (unsigned)monc->have_osdmap);
+	if (monc->want_next_osdmap)
+		seq_printf(s, "want next osdmap\n");
+
+	for (rp = rb_first(&monc->statfs_request_tree); rp; rp = rb_next(rp)) {
+		req = rb_entry(rp, struct ceph_mon_statfs_request, node);
+		seq_printf(s, "%lld statfs\n", req->tid);
+	}
+
+	mutex_unlock(&monc->mutex);
+	return 0;
+}
+
+static int mdsc_show(struct seq_file *s, void *p)
+{
+	struct ceph_client *client = s->private;
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct ceph_mds_request *req;
+	struct rb_node *rp;
+	int pathlen;
+	u64 pathbase;
+	char *path;
+
+	mutex_lock(&mdsc->mutex);
+	for (rp = rb_first(&mdsc->request_tree); rp; rp = rb_next(rp)) {
+		req = rb_entry(rp, struct ceph_mds_request, r_node);
+
+		if (req->r_request)
+			seq_printf(s, "%lld\tmds%d\t", req->r_tid, req->r_mds);
+		else
+			seq_printf(s, "%lld\t(no request)\t", req->r_tid);
+
+		seq_printf(s, "%s", ceph_mds_op_name(req->r_op));
+
+		if (req->r_got_unsafe)
+			seq_printf(s, "\t(unsafe)");
+		else
+			seq_printf(s, "\t");
+
+		if (req->r_inode) {
+			seq_printf(s, " #%llx", ceph_ino(req->r_inode));
+		} else if (req->r_dentry) {
+			path = ceph_mdsc_build_path(req->r_dentry, &pathlen,
+						    &pathbase, 0);
+			spin_lock(&req->r_dentry->d_lock);
+			seq_printf(s, " #%llx/%.*s (%s)",
+				   ceph_ino(req->r_dentry->d_parent->d_inode),
+				   req->r_dentry->d_name.len,
+				   req->r_dentry->d_name.name,
+				   path ? path : "");
+			spin_unlock(&req->r_dentry->d_lock);
+			kfree(path);
+		} else if (req->r_path1) {
+			seq_printf(s, " #%llx/%s", req->r_ino1.ino,
+				   req->r_path1);
+		}
+
+		if (req->r_old_dentry) {
+			path = ceph_mdsc_build_path(req->r_old_dentry, &pathlen,
+						    &pathbase, 0);
+			spin_lock(&req->r_old_dentry->d_lock);
+			seq_printf(s, " #%llx/%.*s (%s)",
+			   ceph_ino(req->r_old_dentry->d_parent->d_inode),
+				   req->r_old_dentry->d_name.len,
+				   req->r_old_dentry->d_name.name,
+				   path ? path : "");
+			spin_unlock(&req->r_old_dentry->d_lock);
+			kfree(path);
+		} else if (req->r_path2) {
+			if (req->r_ino2.ino)
+				seq_printf(s, " #%llx/%s", req->r_ino2.ino,
+					   req->r_path2);
+			else
+				seq_printf(s, " %s", req->r_path2);
+		}
+
+		seq_printf(s, "\n");
+	}
+	mutex_unlock(&mdsc->mutex);
+
+	return 0;
+}
+
+static int osdc_show(struct seq_file *s, void *pp)
+{
+	struct ceph_client *client = s->private;
+	struct ceph_osd_client *osdc = &client->osdc;
+	struct rb_node *p;
+
+	mutex_lock(&osdc->request_mutex);
+	for (p = rb_first(&osdc->requests); p; p = rb_next(p)) {
+		struct ceph_osd_request *req;
+		struct ceph_osd_request_head *head;
+		struct ceph_osd_op *op;
+		int num_ops;
+		int opcode, olen;
+		int i;
+
+		req = rb_entry(p, struct ceph_osd_request, r_node);
+
+		seq_printf(s, "%lld\tosd%d\t%d.%x\t", req->r_tid,
+			   req->r_osd ? req->r_osd->o_osd : -1,
+			   le32_to_cpu(req->r_pgid.pool),
+			   le16_to_cpu(req->r_pgid.ps));
+
+		head = req->r_request->front.iov_base;
+		op = (void *)(head + 1);
+
+		num_ops = le16_to_cpu(head->num_ops);
+		olen = le32_to_cpu(head->object_len);
+		seq_printf(s, "%.*s", olen,
+			   (const char *)(head->ops + num_ops));
+
+		if (req->r_reassert_version.epoch)
+			seq_printf(s, "\t%u'%llu",
+			   (unsigned)le32_to_cpu(req->r_reassert_version.epoch),
+			   le64_to_cpu(req->r_reassert_version.version));
+		else
+			seq_printf(s, "\t");
+
+		for (i = 0; i < num_ops; i++) {
+			opcode = le16_to_cpu(op->op);
+			seq_printf(s, "\t%s", ceph_osd_op_name(opcode));
+			op++;
+		}
+
+		seq_printf(s, "\n");
+	}
+	mutex_unlock(&osdc->request_mutex);
+	return 0;
+}
+
+static int caps_show(struct seq_file *s, void *p)
+{
+	struct ceph_client *client = p;
+	int total, avail, used, reserved, min;
+
+	ceph_reservation_status(client, &total, &avail, &used, &reserved, &min);
+	seq_printf(s, "total\t\t%d\n"
+		   "avail\t\t%d\n"
+		   "used\t\t%d\n"
+		   "reserved\t%d\n"
+		   "min\t%d\n",
+		   total, avail, used, reserved, min);
+	return 0;
+}
+
+static int dentry_lru_show(struct seq_file *s, void *ptr)
+{
+	struct ceph_client *client = s->private;
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct ceph_dentry_info *di;
+
+	spin_lock(&mdsc->dentry_lru_lock);
+	list_for_each_entry(di, &mdsc->dentry_lru, lru) {
+		struct dentry *dentry = di->dentry;
+		seq_printf(s, "%p %p\t%.*s\n",
+			   di, dentry, dentry->d_name.len, dentry->d_name.name);
+	}
+	spin_unlock(&mdsc->dentry_lru_lock);
+
+	return 0;
+}
+
+#define DEFINE_SHOW_FUNC(name) 						\
+static int name##_open(struct inode *inode, struct file *file)		\
+{									\
+	struct seq_file *sf;						\
+	int ret;							\
+									\
+	ret = single_open(file, name, NULL);				\
+	sf = file->private_data;					\
+	sf->private = inode->i_private;					\
+	return ret;							\
+}									\
+									\
+static const struct file_operations name##_fops = {			\
+	.open		= name##_open,					\
+	.read		= seq_read,					\
+	.llseek		= seq_lseek,					\
+	.release	= single_release,				\
+};
+
+DEFINE_SHOW_FUNC(monmap_show)
+DEFINE_SHOW_FUNC(mdsmap_show)
+DEFINE_SHOW_FUNC(osdmap_show)
+DEFINE_SHOW_FUNC(monc_show)
+DEFINE_SHOW_FUNC(mdsc_show)
+DEFINE_SHOW_FUNC(osdc_show)
+DEFINE_SHOW_FUNC(dentry_lru_show)
+DEFINE_SHOW_FUNC(caps_show)
+
+static int congestion_kb_set(void *data, u64 val)
+{
+	struct ceph_client *client = (struct ceph_client *)data;
+
+	if (client)
+		client->mount_args->congestion_kb = (int)val;
+
+	return 0;
+}
+
+static int congestion_kb_get(void *data, u64 *val)
+{
+	struct ceph_client *client = (struct ceph_client *)data;
+
+	if (client)
+		*val = (u64)client->mount_args->congestion_kb;
+
+	return 0;
+}
+
+
+DEFINE_SIMPLE_ATTRIBUTE(congestion_kb_fops, congestion_kb_get,
+			congestion_kb_set, "%llu\n");
+
+int __init ceph_debugfs_init(void)
+{
+	ceph_debugfs_dir = debugfs_create_dir("ceph", NULL);
+	if (!ceph_debugfs_dir)
+		return -ENOMEM;
+	return 0;
+}
+
+void ceph_debugfs_cleanup(void)
+{
+	debugfs_remove(ceph_debugfs_dir);
+}
+
+int ceph_debugfs_client_init(struct ceph_client *client)
+{
+	int ret = 0;
+	char name[80];
+
+	snprintf(name, sizeof(name), FSID_FORMAT ".client%lld",
+		 PR_FSID(&client->fsid), client->monc.auth->global_id);
+
+	client->debugfs_dir = debugfs_create_dir(name, ceph_debugfs_dir);
+	if (!client->debugfs_dir)
+		goto out;
+
+	client->monc.debugfs_file = debugfs_create_file("monc",
+						      0600,
+						      client->debugfs_dir,
+						      client,
+						      &monc_show_fops);
+	if (!client->monc.debugfs_file)
+		goto out;
+
+	client->mdsc.debugfs_file = debugfs_create_file("mdsc",
+						      0600,
+						      client->debugfs_dir,
+						      client,
+						      &mdsc_show_fops);
+	if (!client->mdsc.debugfs_file)
+		goto out;
+
+	client->osdc.debugfs_file = debugfs_create_file("osdc",
+						      0600,
+						      client->debugfs_dir,
+						      client,
+						      &osdc_show_fops);
+	if (!client->osdc.debugfs_file)
+		goto out;
+
+	client->debugfs_monmap = debugfs_create_file("monmap",
+					0600,
+					client->debugfs_dir,
+					client,
+					&monmap_show_fops);
+	if (!client->debugfs_monmap)
+		goto out;
+
+	client->debugfs_mdsmap = debugfs_create_file("mdsmap",
+					0600,
+					client->debugfs_dir,
+					client,
+					&mdsmap_show_fops);
+	if (!client->debugfs_mdsmap)
+		goto out;
+
+	client->debugfs_osdmap = debugfs_create_file("osdmap",
+					0600,
+					client->debugfs_dir,
+					client,
+					&osdmap_show_fops);
+	if (!client->debugfs_osdmap)
+		goto out;
+
+	client->debugfs_dentry_lru = debugfs_create_file("dentry_lru",
+					0600,
+					client->debugfs_dir,
+					client,
+					&dentry_lru_show_fops);
+	if (!client->debugfs_dentry_lru)
+		goto out;
+
+	client->debugfs_caps = debugfs_create_file("caps",
+						   0400,
+						   client->debugfs_dir,
+						   client,
+						   &caps_show_fops);
+	if (!client->debugfs_caps)
+		goto out;
+
+	client->debugfs_congestion_kb = debugfs_create_file("writeback_congestion_kb",
+						   0600,
+						   client->debugfs_dir,
+						   client,
+						   &congestion_kb_fops);
+	if (!client->debugfs_congestion_kb)
+		goto out;
+
+	sprintf(name, "../../bdi/%s", dev_name(client->sb->s_bdi->dev));
+	client->debugfs_bdi = debugfs_create_symlink("bdi", client->debugfs_dir,
+						     name);
+
+	return 0;
+
+out:
+	ceph_debugfs_client_cleanup(client);
+	return ret;
+}
+
+void ceph_debugfs_client_cleanup(struct ceph_client *client)
+{
+	debugfs_remove(client->debugfs_bdi);
+	debugfs_remove(client->debugfs_caps);
+	debugfs_remove(client->debugfs_dentry_lru);
+	debugfs_remove(client->debugfs_osdmap);
+	debugfs_remove(client->debugfs_mdsmap);
+	debugfs_remove(client->debugfs_monmap);
+	debugfs_remove(client->osdc.debugfs_file);
+	debugfs_remove(client->mdsc.debugfs_file);
+	debugfs_remove(client->monc.debugfs_file);
+	debugfs_remove(client->debugfs_congestion_kb);
+	debugfs_remove(client->debugfs_dir);
+}
+
+#else  // CONFIG_DEBUG_FS
+
+int __init ceph_debugfs_init(void)
+{
+	return 0;
+}
+
+void ceph_debugfs_cleanup(void)
+{
+}
+
+int ceph_debugfs_client_init(struct ceph_client *client)
+{
+	return 0;
+}
+
+void ceph_debugfs_client_cleanup(struct ceph_client *client)
+{
+}
+
+#endif  // CONFIG_DEBUG_FS
diff --git a/fs/ceph/decode.h b/fs/ceph/decode.h
new file mode 100644
index 000000000000..65b3e022eaf5
--- /dev/null
+++ b/fs/ceph/decode.h
@@ -0,0 +1,194 @@
+#ifndef __CEPH_DECODE_H
+#define __CEPH_DECODE_H
+
+#include <asm/unaligned.h>
+#include <linux/time.h>
+
+#include "types.h"
+
+/*
+ * in all cases,
+ *   void **p     pointer to position pointer
+ *   void *end    pointer to end of buffer (last byte + 1)
+ */
+
+static inline u64 ceph_decode_64(void **p)
+{
+	u64 v = get_unaligned_le64(*p);
+	*p += sizeof(u64);
+	return v;
+}
+static inline u32 ceph_decode_32(void **p)
+{
+	u32 v = get_unaligned_le32(*p);
+	*p += sizeof(u32);
+	return v;
+}
+static inline u16 ceph_decode_16(void **p)
+{
+	u16 v = get_unaligned_le16(*p);
+	*p += sizeof(u16);
+	return v;
+}
+static inline u8 ceph_decode_8(void **p)
+{
+	u8 v = *(u8 *)*p;
+	(*p)++;
+	return v;
+}
+static inline void ceph_decode_copy(void **p, void *pv, size_t n)
+{
+	memcpy(pv, *p, n);
+	*p += n;
+}
+
+/*
+ * bounds check input.
+ */
+#define ceph_decode_need(p, end, n, bad)		\
+	do {						\
+		if (unlikely(*(p) + (n) > (end))) 	\
+			goto bad;			\
+	} while (0)
+
+#define ceph_decode_64_safe(p, end, v, bad)			\
+	do {							\
+		ceph_decode_need(p, end, sizeof(u64), bad);	\
+		v = ceph_decode_64(p);				\
+	} while (0)
+#define ceph_decode_32_safe(p, end, v, bad)			\
+	do {							\
+		ceph_decode_need(p, end, sizeof(u32), bad);	\
+		v = ceph_decode_32(p);				\
+	} while (0)
+#define ceph_decode_16_safe(p, end, v, bad)			\
+	do {							\
+		ceph_decode_need(p, end, sizeof(u16), bad);	\
+		v = ceph_decode_16(p);				\
+	} while (0)
+#define ceph_decode_8_safe(p, end, v, bad)			\
+	do {							\
+		ceph_decode_need(p, end, sizeof(u8), bad);	\
+		v = ceph_decode_8(p);				\
+	} while (0)
+
+#define ceph_decode_copy_safe(p, end, pv, n, bad)		\
+	do {							\
+		ceph_decode_need(p, end, n, bad);		\
+		ceph_decode_copy(p, pv, n);			\
+	} while (0)
+
+/*
+ * struct ceph_timespec <-> struct timespec
+ */
+static inline void ceph_decode_timespec(struct timespec *ts,
+					const struct ceph_timespec *tv)
+{
+	ts->tv_sec = le32_to_cpu(tv->tv_sec);
+	ts->tv_nsec = le32_to_cpu(tv->tv_nsec);
+}
+static inline void ceph_encode_timespec(struct ceph_timespec *tv,
+					const struct timespec *ts)
+{
+	tv->tv_sec = cpu_to_le32(ts->tv_sec);
+	tv->tv_nsec = cpu_to_le32(ts->tv_nsec);
+}
+
+/*
+ * sockaddr_storage <-> ceph_sockaddr
+ */
+static inline void ceph_encode_addr(struct ceph_entity_addr *a)
+{
+	a->in_addr.ss_family = htons(a->in_addr.ss_family);
+}
+static inline void ceph_decode_addr(struct ceph_entity_addr *a)
+{
+	a->in_addr.ss_family = ntohs(a->in_addr.ss_family);
+	WARN_ON(a->in_addr.ss_family == 512);
+}
+
+/*
+ * encoders
+ */
+static inline void ceph_encode_64(void **p, u64 v)
+{
+	put_unaligned_le64(v, (__le64 *)*p);
+	*p += sizeof(u64);
+}
+static inline void ceph_encode_32(void **p, u32 v)
+{
+	put_unaligned_le32(v, (__le32 *)*p);
+	*p += sizeof(u32);
+}
+static inline void ceph_encode_16(void **p, u16 v)
+{
+	put_unaligned_le16(v, (__le16 *)*p);
+	*p += sizeof(u16);
+}
+static inline void ceph_encode_8(void **p, u8 v)
+{
+	*(u8 *)*p = v;
+	(*p)++;
+}
+static inline void ceph_encode_copy(void **p, const void *s, int len)
+{
+	memcpy(*p, s, len);
+	*p += len;
+}
+
+/*
+ * filepath, string encoders
+ */
+static inline void ceph_encode_filepath(void **p, void *end,
+					u64 ino, const char *path)
+{
+	u32 len = path ? strlen(path) : 0;
+	BUG_ON(*p + sizeof(ino) + sizeof(len) + len > end);
+	ceph_encode_8(p, 1);
+	ceph_encode_64(p, ino);
+	ceph_encode_32(p, len);
+	if (len)
+		memcpy(*p, path, len);
+	*p += len;
+}
+
+static inline void ceph_encode_string(void **p, void *end,
+				      const char *s, u32 len)
+{
+	BUG_ON(*p + sizeof(len) + len > end);
+	ceph_encode_32(p, len);
+	if (len)
+		memcpy(*p, s, len);
+	*p += len;
+}
+
+#define ceph_encode_need(p, end, n, bad)		\
+	do {						\
+		if (unlikely(*(p) + (n) > (end))) 	\
+			goto bad;			\
+	} while (0)
+
+#define ceph_encode_64_safe(p, end, v, bad)			\
+	do {							\
+		ceph_encode_need(p, end, sizeof(u64), bad);	\
+		ceph_encode_64(p, v);				\
+	} while (0)
+#define ceph_encode_32_safe(p, end, v, bad)			\
+	do {							\
+		ceph_encode_need(p, end, sizeof(u32), bad);	\
+		ceph_encode_32(p, v);			\
+	} while (0)
+#define ceph_encode_16_safe(p, end, v, bad)			\
+	do {							\
+		ceph_encode_need(p, end, sizeof(u16), bad);	\
+		ceph_encode_16(p, v);			\
+	} while (0)
+
+#define ceph_encode_copy_safe(p, end, pv, n, bad)		\
+	do {							\
+		ceph_encode_need(p, end, n, bad);		\
+		ceph_encode_copy(p, pv, n);			\
+	} while (0)
+
+
+#endif
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
new file mode 100644
index 000000000000..8a9116e15b70
--- /dev/null
+++ b/fs/ceph/dir.c
@@ -0,0 +1,1222 @@
+#include "ceph_debug.h"
+
+#include <linux/spinlock.h>
+#include <linux/fs_struct.h>
+#include <linux/namei.h>
+#include <linux/sched.h>
+
+#include "super.h"
+
+/*
+ * Directory operations: readdir, lookup, create, link, unlink,
+ * rename, etc.
+ */
+
+/*
+ * Ceph MDS operations are specified in terms of a base ino and
+ * relative path.  Thus, the client can specify an operation on a
+ * specific inode (e.g., a getattr due to fstat(2)), or as a path
+ * relative to, say, the root directory.
+ *
+ * Normally, we limit ourselves to strict inode ops (no path component)
+ * or dentry operations (a single path component relative to an ino).  The
+ * exception to this is open_root_dentry(), which will open the mount
+ * point by name.
+ */
+
+const struct inode_operations ceph_dir_iops;
+const struct file_operations ceph_dir_fops;
+struct dentry_operations ceph_dentry_ops;
+
+/*
+ * Initialize ceph dentry state.
+ */
+int ceph_init_dentry(struct dentry *dentry)
+{
+	struct ceph_dentry_info *di;
+
+	if (dentry->d_fsdata)
+		return 0;
+
+	if (ceph_snap(dentry->d_parent->d_inode) == CEPH_NOSNAP)
+		dentry->d_op = &ceph_dentry_ops;
+	else if (ceph_snap(dentry->d_parent->d_inode) == CEPH_SNAPDIR)
+		dentry->d_op = &ceph_snapdir_dentry_ops;
+	else
+		dentry->d_op = &ceph_snap_dentry_ops;
+
+	di = kmem_cache_alloc(ceph_dentry_cachep, GFP_NOFS);
+	if (!di)
+		return -ENOMEM;          /* oh well */
+
+	spin_lock(&dentry->d_lock);
+	if (dentry->d_fsdata) /* lost a race */
+		goto out_unlock;
+	di->dentry = dentry;
+	di->lease_session = NULL;
+	dentry->d_fsdata = di;
+	dentry->d_time = jiffies;
+	ceph_dentry_lru_add(dentry);
+out_unlock:
+	spin_unlock(&dentry->d_lock);
+	return 0;
+}
+
+
+
+/*
+ * for readdir, we encode the directory frag and offset within that
+ * frag into f_pos.
+ */
+static unsigned fpos_frag(loff_t p)
+{
+	return p >> 32;
+}
+static unsigned fpos_off(loff_t p)
+{
+	return p & 0xffffffff;
+}
+
+/*
+ * When possible, we try to satisfy a readdir by peeking at the
+ * dcache.  We make this work by carefully ordering dentries on
+ * d_u.d_child when we initially get results back from the MDS, and
+ * falling back to a "normal" sync readdir if any dentries in the dir
+ * are dropped.
+ *
+ * I_COMPLETE tells indicates we have all dentries in the dir.  It is
+ * defined IFF we hold CEPH_CAP_FILE_SHARED (which will be revoked by
+ * the MDS if/when the directory is modified).
+ */
+static int __dcache_readdir(struct file *filp,
+			    void *dirent, filldir_t filldir)
+{
+	struct inode *inode = filp->f_dentry->d_inode;
+	struct ceph_file_info *fi = filp->private_data;
+	struct dentry *parent = filp->f_dentry;
+	struct inode *dir = parent->d_inode;
+	struct list_head *p;
+	struct dentry *dentry, *last;
+	struct ceph_dentry_info *di;
+	int err = 0;
+
+	/* claim ref on last dentry we returned */
+	last = fi->dentry;
+	fi->dentry = NULL;
+
+	dout("__dcache_readdir %p at %llu (last %p)\n", dir, filp->f_pos,
+	     last);
+
+	spin_lock(&dcache_lock);
+
+	/* start at beginning? */
+	if (filp->f_pos == 2 || (last &&
+				 filp->f_pos < ceph_dentry(last)->offset)) {
+		if (list_empty(&parent->d_subdirs))
+			goto out_unlock;
+		p = parent->d_subdirs.prev;
+		dout(" initial p %p/%p\n", p->prev, p->next);
+	} else {
+		p = last->d_u.d_child.prev;
+	}
+
+more:
+	dentry = list_entry(p, struct dentry, d_u.d_child);
+	di = ceph_dentry(dentry);
+	while (1) {
+		dout(" p %p/%p d_subdirs %p/%p\n", p->prev, p->next,
+		     parent->d_subdirs.prev, parent->d_subdirs.next);
+		if (p == &parent->d_subdirs) {
+			fi->at_end = 1;
+			goto out_unlock;
+		}
+		if (!d_unhashed(dentry) && dentry->d_inode &&
+		    ceph_snap(dentry->d_inode) != CEPH_SNAPDIR &&
+		    ceph_ino(dentry->d_inode) != CEPH_INO_CEPH &&
+		    filp->f_pos <= di->offset)
+			break;
+		dout(" skipping %p %.*s at %llu (%llu)%s%s\n", dentry,
+		     dentry->d_name.len, dentry->d_name.name, di->offset,
+		     filp->f_pos, d_unhashed(dentry) ? " unhashed" : "",
+		     !dentry->d_inode ? " null" : "");
+		p = p->prev;
+		dentry = list_entry(p, struct dentry, d_u.d_child);
+		di = ceph_dentry(dentry);
+	}
+
+	atomic_inc(&dentry->d_count);
+	spin_unlock(&dcache_lock);
+	spin_unlock(&inode->i_lock);
+
+	dout(" %llu (%llu) dentry %p %.*s %p\n", di->offset, filp->f_pos,
+	     dentry, dentry->d_name.len, dentry->d_name.name, dentry->d_inode);
+	filp->f_pos = di->offset;
+	err = filldir(dirent, dentry->d_name.name,
+		      dentry->d_name.len, di->offset,
+		      dentry->d_inode->i_ino,
+		      dentry->d_inode->i_mode >> 12);
+
+	if (last) {
+		if (err < 0) {
+			/* remember our position */
+			fi->dentry = last;
+			fi->next_offset = di->offset;
+		} else {
+			dput(last);
+		}
+		last = NULL;
+	}
+
+	spin_lock(&inode->i_lock);
+	spin_lock(&dcache_lock);
+
+	if (err < 0)
+		goto out_unlock;
+
+	last = dentry;
+
+	p = p->prev;
+	filp->f_pos++;
+
+	/* make sure a dentry wasn't dropped while we didn't have dcache_lock */
+	if ((ceph_inode(dir)->i_ceph_flags & CEPH_I_COMPLETE))
+		goto more;
+	dout(" lost I_COMPLETE on %p; falling back to mds\n", dir);
+	err = -EAGAIN;
+
+out_unlock:
+	spin_unlock(&dcache_lock);
+
+	if (last) {
+		spin_unlock(&inode->i_lock);
+		dput(last);
+		spin_lock(&inode->i_lock);
+	}
+
+	return err;
+}
+
+/*
+ * make note of the last dentry we read, so we can
+ * continue at the same lexicographical point,
+ * regardless of what dir changes take place on the
+ * server.
+ */
+static int note_last_dentry(struct ceph_file_info *fi, const char *name,
+			    int len)
+{
+	kfree(fi->last_name);
+	fi->last_name = kmalloc(len+1, GFP_NOFS);
+	if (!fi->last_name)
+		return -ENOMEM;
+	memcpy(fi->last_name, name, len);
+	fi->last_name[len] = 0;
+	dout("note_last_dentry '%s'\n", fi->last_name);
+	return 0;
+}
+
+static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir)
+{
+	struct ceph_file_info *fi = filp->private_data;
+	struct inode *inode = filp->f_dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_client *client = ceph_inode_to_client(inode);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	unsigned frag = fpos_frag(filp->f_pos);
+	int off = fpos_off(filp->f_pos);
+	int err;
+	u32 ftype;
+	struct ceph_mds_reply_info_parsed *rinfo;
+	const int max_entries = client->mount_args->max_readdir;
+
+	dout("readdir %p filp %p frag %u off %u\n", inode, filp, frag, off);
+	if (fi->at_end)
+		return 0;
+
+	/* always start with . and .. */
+	if (filp->f_pos == 0) {
+		/* note dir version at start of readdir so we can tell
+		 * if any dentries get dropped */
+		fi->dir_release_count = ci->i_release_count;
+
+		dout("readdir off 0 -> '.'\n");
+		if (filldir(dirent, ".", 1, ceph_make_fpos(0, 0),
+			    inode->i_ino, inode->i_mode >> 12) < 0)
+			return 0;
+		filp->f_pos = 1;
+		off = 1;
+	}
+	if (filp->f_pos == 1) {
+		dout("readdir off 1 -> '..'\n");
+		if (filldir(dirent, "..", 2, ceph_make_fpos(0, 1),
+			    filp->f_dentry->d_parent->d_inode->i_ino,
+			    inode->i_mode >> 12) < 0)
+			return 0;
+		filp->f_pos = 2;
+		off = 2;
+	}
+
+	/* can we use the dcache? */
+	spin_lock(&inode->i_lock);
+	if ((filp->f_pos == 2 || fi->dentry) &&
+	    !ceph_test_opt(client, NOASYNCREADDIR) &&
+	    (ci->i_ceph_flags & CEPH_I_COMPLETE) &&
+	    __ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1)) {
+		err = __dcache_readdir(filp, dirent, filldir);
+		if (err != -EAGAIN) {
+			spin_unlock(&inode->i_lock);
+			return err;
+		}
+	}
+	spin_unlock(&inode->i_lock);
+	if (fi->dentry) {
+		err = note_last_dentry(fi, fi->dentry->d_name.name,
+				       fi->dentry->d_name.len);
+		if (err)
+			return err;
+		dput(fi->dentry);
+		fi->dentry = NULL;
+	}
+
+	/* proceed with a normal readdir */
+
+more:
+	/* do we have the correct frag content buffered? */
+	if (fi->frag != frag || fi->last_readdir == NULL) {
+		struct ceph_mds_request *req;
+		int op = ceph_snap(inode) == CEPH_SNAPDIR ?
+			CEPH_MDS_OP_LSSNAP : CEPH_MDS_OP_READDIR;
+
+		/* discard old result, if any */
+		if (fi->last_readdir) {
+			ceph_mdsc_put_request(fi->last_readdir);
+			fi->last_readdir = NULL;
+		}
+
+		/* requery frag tree, as the frag topology may have changed */
+		frag = ceph_choose_frag(ceph_inode(inode), frag, NULL, NULL);
+
+		dout("readdir fetching %llx.%llx frag %x offset '%s'\n",
+		     ceph_vinop(inode), frag, fi->last_name);
+		req = ceph_mdsc_create_request(mdsc, op, USE_AUTH_MDS);
+		if (IS_ERR(req))
+			return PTR_ERR(req);
+		req->r_inode = igrab(inode);
+		req->r_dentry = dget(filp->f_dentry);
+		/* hints to request -> mds selection code */
+		req->r_direct_mode = USE_AUTH_MDS;
+		req->r_direct_hash = ceph_frag_value(frag);
+		req->r_direct_is_hash = true;
+		req->r_path2 = kstrdup(fi->last_name, GFP_NOFS);
+		req->r_readdir_offset = fi->next_offset;
+		req->r_args.readdir.frag = cpu_to_le32(frag);
+		req->r_args.readdir.max_entries = cpu_to_le32(max_entries);
+		req->r_num_caps = max_entries;
+		err = ceph_mdsc_do_request(mdsc, NULL, req);
+		if (err < 0) {
+			ceph_mdsc_put_request(req);
+			return err;
+		}
+		dout("readdir got and parsed readdir result=%d"
+		     " on frag %x, end=%d, complete=%d\n", err, frag,
+		     (int)req->r_reply_info.dir_end,
+		     (int)req->r_reply_info.dir_complete);
+
+		if (!req->r_did_prepopulate) {
+			dout("readdir !did_prepopulate");
+			fi->dir_release_count--;    /* preclude I_COMPLETE */
+		}
+
+		/* note next offset and last dentry name */
+		fi->offset = fi->next_offset;
+		fi->last_readdir = req;
+
+		if (req->r_reply_info.dir_end) {
+			kfree(fi->last_name);
+			fi->last_name = NULL;
+			fi->next_offset = 0;
+		} else {
+			rinfo = &req->r_reply_info;
+			err = note_last_dentry(fi,
+				       rinfo->dir_dname[rinfo->dir_nr-1],
+				       rinfo->dir_dname_len[rinfo->dir_nr-1]);
+			if (err)
+				return err;
+			fi->next_offset += rinfo->dir_nr;
+		}
+	}
+
+	rinfo = &fi->last_readdir->r_reply_info;
+	dout("readdir frag %x num %d off %d chunkoff %d\n", frag,
+	     rinfo->dir_nr, off, fi->offset);
+	while (off - fi->offset >= 0 && off - fi->offset < rinfo->dir_nr) {
+		u64 pos = ceph_make_fpos(frag, off);
+		struct ceph_mds_reply_inode *in =
+			rinfo->dir_in[off - fi->offset].in;
+		dout("readdir off %d (%d/%d) -> %lld '%.*s' %p\n",
+		     off, off - fi->offset, rinfo->dir_nr, pos,
+		     rinfo->dir_dname_len[off - fi->offset],
+		     rinfo->dir_dname[off - fi->offset], in);
+		BUG_ON(!in);
+		ftype = le32_to_cpu(in->mode) >> 12;
+		if (filldir(dirent,
+			    rinfo->dir_dname[off - fi->offset],
+			    rinfo->dir_dname_len[off - fi->offset],
+			    pos,
+			    le64_to_cpu(in->ino),
+			    ftype) < 0) {
+			dout("filldir stopping us...\n");
+			return 0;
+		}
+		off++;
+		filp->f_pos = pos + 1;
+	}
+
+	if (fi->last_name) {
+		ceph_mdsc_put_request(fi->last_readdir);
+		fi->last_readdir = NULL;
+		goto more;
+	}
+
+	/* more frags? */
+	if (!ceph_frag_is_rightmost(frag)) {
+		frag = ceph_frag_next(frag);
+		off = 0;
+		filp->f_pos = ceph_make_fpos(frag, off);
+		dout("readdir next frag is %x\n", frag);
+		goto more;
+	}
+	fi->at_end = 1;
+
+	/*
+	 * if dir_release_count still matches the dir, no dentries
+	 * were released during the whole readdir, and we should have
+	 * the complete dir contents in our cache.
+	 */
+	spin_lock(&inode->i_lock);
+	if (ci->i_release_count == fi->dir_release_count) {
+		dout(" marking %p complete\n", inode);
+		ci->i_ceph_flags |= CEPH_I_COMPLETE;
+		ci->i_max_offset = filp->f_pos;
+	}
+	spin_unlock(&inode->i_lock);
+
+	dout("readdir %p filp %p done.\n", inode, filp);
+	return 0;
+}
+
+static void reset_readdir(struct ceph_file_info *fi)
+{
+	if (fi->last_readdir) {
+		ceph_mdsc_put_request(fi->last_readdir);
+		fi->last_readdir = NULL;
+	}
+	kfree(fi->last_name);
+	fi->next_offset = 2;  /* compensate for . and .. */
+	if (fi->dentry) {
+		dput(fi->dentry);
+		fi->dentry = NULL;
+	}
+	fi->at_end = 0;
+}
+
+static loff_t ceph_dir_llseek(struct file *file, loff_t offset, int origin)
+{
+	struct ceph_file_info *fi = file->private_data;
+	struct inode *inode = file->f_mapping->host;
+	loff_t old_offset = offset;
+	loff_t retval;
+
+	mutex_lock(&inode->i_mutex);
+	switch (origin) {
+	case SEEK_END:
+		offset += inode->i_size + 2;   /* FIXME */
+		break;
+	case SEEK_CUR:
+		offset += file->f_pos;
+	}
+	retval = -EINVAL;
+	if (offset >= 0 && offset <= inode->i_sb->s_maxbytes) {
+		if (offset != file->f_pos) {
+			file->f_pos = offset;
+			file->f_version = 0;
+			fi->at_end = 0;
+		}
+		retval = offset;
+
+		/*
+		 * discard buffered readdir content on seekdir(0), or
+		 * seek to new frag, or seek prior to current chunk.
+		 */
+		if (offset == 0 ||
+		    fpos_frag(offset) != fpos_frag(old_offset) ||
+		    fpos_off(offset) < fi->offset) {
+			dout("dir_llseek dropping %p content\n", file);
+			reset_readdir(fi);
+		}
+
+		/* bump dir_release_count if we did a forward seek */
+		if (offset > old_offset)
+			fi->dir_release_count--;
+	}
+	mutex_unlock(&inode->i_mutex);
+	return retval;
+}
+
+/*
+ * Process result of a lookup/open request.
+ *
+ * Mainly, make sure we return the final req->r_dentry (if it already
+ * existed) in place of the original VFS-provided dentry when they
+ * differ.
+ *
+ * Gracefully handle the case where the MDS replies with -ENOENT and
+ * no trace (which it may do, at its discretion, e.g., if it doesn't
+ * care to issue a lease on the negative dentry).
+ */
+struct dentry *ceph_finish_lookup(struct ceph_mds_request *req,
+				  struct dentry *dentry, int err)
+{
+	struct ceph_client *client = ceph_client(dentry->d_sb);
+	struct inode *parent = dentry->d_parent->d_inode;
+
+	/* .snap dir? */
+	if (err == -ENOENT &&
+	    ceph_vino(parent).ino != CEPH_INO_ROOT && /* no .snap in root dir */
+	    strcmp(dentry->d_name.name,
+		   client->mount_args->snapdir_name) == 0) {
+		struct inode *inode = ceph_get_snapdir(parent);
+		dout("ENOENT on snapdir %p '%.*s', linking to snapdir %p\n",
+		     dentry, dentry->d_name.len, dentry->d_name.name, inode);
+		d_add(dentry, inode);
+		err = 0;
+	}
+
+	if (err == -ENOENT) {
+		/* no trace? */
+		err = 0;
+		if (!req->r_reply_info.head->is_dentry) {
+			dout("ENOENT and no trace, dentry %p inode %p\n",
+			     dentry, dentry->d_inode);
+			if (dentry->d_inode) {
+				d_drop(dentry);
+				err = -ENOENT;
+			} else {
+				d_add(dentry, NULL);
+			}
+		}
+	}
+	if (err)
+		dentry = ERR_PTR(err);
+	else if (dentry != req->r_dentry)
+		dentry = dget(req->r_dentry);   /* we got spliced */
+	else
+		dentry = NULL;
+	return dentry;
+}
+
+static int is_root_ceph_dentry(struct inode *inode, struct dentry *dentry)
+{
+	return ceph_ino(inode) == CEPH_INO_ROOT &&
+		strncmp(dentry->d_name.name, ".ceph", 5) == 0;
+}
+
+/*
+ * Look up a single dir entry.  If there is a lookup intent, inform
+ * the MDS so that it gets our 'caps wanted' value in a single op.
+ */
+static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
+				  struct nameidata *nd)
+{
+	struct ceph_client *client = ceph_sb_to_client(dir->i_sb);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct ceph_mds_request *req;
+	int op;
+	int err;
+
+	dout("lookup %p dentry %p '%.*s'\n",
+	     dir, dentry, dentry->d_name.len, dentry->d_name.name);
+
+	if (dentry->d_name.len > NAME_MAX)
+		return ERR_PTR(-ENAMETOOLONG);
+
+	err = ceph_init_dentry(dentry);
+	if (err < 0)
+		return ERR_PTR(err);
+
+	/* open (but not create!) intent? */
+	if (nd &&
+	    (nd->flags & LOOKUP_OPEN) &&
+	    (nd->flags & LOOKUP_CONTINUE) == 0 && /* only open last component */
+	    !(nd->intent.open.flags & O_CREAT)) {
+		int mode = nd->intent.open.create_mode & ~current->fs->umask;
+		return ceph_lookup_open(dir, dentry, nd, mode, 1);
+	}
+
+	/* can we conclude ENOENT locally? */
+	if (dentry->d_inode == NULL) {
+		struct ceph_inode_info *ci = ceph_inode(dir);
+		struct ceph_dentry_info *di = ceph_dentry(dentry);
+
+		spin_lock(&dir->i_lock);
+		dout(" dir %p flags are %d\n", dir, ci->i_ceph_flags);
+		if (strncmp(dentry->d_name.name,
+			    client->mount_args->snapdir_name,
+			    dentry->d_name.len) &&
+		    !is_root_ceph_dentry(dir, dentry) &&
+		    (ci->i_ceph_flags & CEPH_I_COMPLETE) &&
+		    (__ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1))) {
+			di->offset = ci->i_max_offset++;
+			spin_unlock(&dir->i_lock);
+			dout(" dir %p complete, -ENOENT\n", dir);
+			d_add(dentry, NULL);
+			di->lease_shared_gen = ci->i_shared_gen;
+			return NULL;
+		}
+		spin_unlock(&dir->i_lock);
+	}
+
+	op = ceph_snap(dir) == CEPH_SNAPDIR ?
+		CEPH_MDS_OP_LOOKUPSNAP : CEPH_MDS_OP_LOOKUP;
+	req = ceph_mdsc_create_request(mdsc, op, USE_ANY_MDS);
+	if (IS_ERR(req))
+		return ERR_PTR(PTR_ERR(req));
+	req->r_dentry = dget(dentry);
+	req->r_num_caps = 2;
+	/* we only need inode linkage */
+	req->r_args.getattr.mask = cpu_to_le32(CEPH_STAT_CAP_INODE);
+	req->r_locked_dir = dir;
+	err = ceph_mdsc_do_request(mdsc, NULL, req);
+	dentry = ceph_finish_lookup(req, dentry, err);
+	ceph_mdsc_put_request(req);  /* will dput(dentry) */
+	dout("lookup result=%p\n", dentry);
+	return dentry;
+}
+
+/*
+ * If we do a create but get no trace back from the MDS, follow up with
+ * a lookup (the VFS expects us to link up the provided dentry).
+ */
+int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry)
+{
+	struct dentry *result = ceph_lookup(dir, dentry, NULL);
+
+	if (result && !IS_ERR(result)) {
+		/*
+		 * We created the item, then did a lookup, and found
+		 * it was already linked to another inode we already
+		 * had in our cache (and thus got spliced).  Link our
+		 * dentry to that inode, but don't hash it, just in
+		 * case the VFS wants to dereference it.
+		 */
+		BUG_ON(!result->d_inode);
+		d_instantiate(dentry, result->d_inode);
+		return 0;
+	}
+	return PTR_ERR(result);
+}
+
+static int ceph_mknod(struct inode *dir, struct dentry *dentry,
+		      int mode, dev_t rdev)
+{
+	struct ceph_client *client = ceph_sb_to_client(dir->i_sb);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct ceph_mds_request *req;
+	int err;
+
+	if (ceph_snap(dir) != CEPH_NOSNAP)
+		return -EROFS;
+
+	dout("mknod in dir %p dentry %p mode 0%o rdev %d\n",
+	     dir, dentry, mode, rdev);
+	req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_MKNOD, USE_AUTH_MDS);
+	if (IS_ERR(req)) {
+		d_drop(dentry);
+		return PTR_ERR(req);
+	}
+	req->r_dentry = dget(dentry);
+	req->r_num_caps = 2;
+	req->r_locked_dir = dir;
+	req->r_args.mknod.mode = cpu_to_le32(mode);
+	req->r_args.mknod.rdev = cpu_to_le32(rdev);
+	req->r_dentry_drop = CEPH_CAP_FILE_SHARED;
+	req->r_dentry_unless = CEPH_CAP_FILE_EXCL;
+	err = ceph_mdsc_do_request(mdsc, dir, req);
+	if (!err && !req->r_reply_info.head->is_dentry)
+		err = ceph_handle_notrace_create(dir, dentry);
+	ceph_mdsc_put_request(req);
+	if (err)
+		d_drop(dentry);
+	return err;
+}
+
+static int ceph_create(struct inode *dir, struct dentry *dentry, int mode,
+		       struct nameidata *nd)
+{
+	dout("create in dir %p dentry %p name '%.*s'\n",
+	     dir, dentry, dentry->d_name.len, dentry->d_name.name);
+
+	if (ceph_snap(dir) != CEPH_NOSNAP)
+		return -EROFS;
+
+	if (nd) {
+		BUG_ON((nd->flags & LOOKUP_OPEN) == 0);
+		dentry = ceph_lookup_open(dir, dentry, nd, mode, 0);
+		/* hrm, what should i do here if we get aliased? */
+		if (IS_ERR(dentry))
+			return PTR_ERR(dentry);
+		return 0;
+	}
+
+	/* fall back to mknod */
+	return ceph_mknod(dir, dentry, (mode & ~S_IFMT) | S_IFREG, 0);
+}
+
+static int ceph_symlink(struct inode *dir, struct dentry *dentry,
+			    const char *dest)
+{
+	struct ceph_client *client = ceph_sb_to_client(dir->i_sb);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct ceph_mds_request *req;
+	int err;
+
+	if (ceph_snap(dir) != CEPH_NOSNAP)
+		return -EROFS;
+
+	dout("symlink in dir %p dentry %p to '%s'\n", dir, dentry, dest);
+	req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_SYMLINK, USE_AUTH_MDS);
+	if (IS_ERR(req)) {
+		d_drop(dentry);
+		return PTR_ERR(req);
+	}
+	req->r_dentry = dget(dentry);
+	req->r_num_caps = 2;
+	req->r_path2 = kstrdup(dest, GFP_NOFS);
+	req->r_locked_dir = dir;
+	req->r_dentry_drop = CEPH_CAP_FILE_SHARED;
+	req->r_dentry_unless = CEPH_CAP_FILE_EXCL;
+	err = ceph_mdsc_do_request(mdsc, dir, req);
+	if (!err && !req->r_reply_info.head->is_dentry)
+		err = ceph_handle_notrace_create(dir, dentry);
+	ceph_mdsc_put_request(req);
+	if (err)
+		d_drop(dentry);
+	return err;
+}
+
+static int ceph_mkdir(struct inode *dir, struct dentry *dentry, int mode)
+{
+	struct ceph_client *client = ceph_sb_to_client(dir->i_sb);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct ceph_mds_request *req;
+	int err = -EROFS;
+	int op;
+
+	if (ceph_snap(dir) == CEPH_SNAPDIR) {
+		/* mkdir .snap/foo is a MKSNAP */
+		op = CEPH_MDS_OP_MKSNAP;
+		dout("mksnap dir %p snap '%.*s' dn %p\n", dir,
+		     dentry->d_name.len, dentry->d_name.name, dentry);
+	} else if (ceph_snap(dir) == CEPH_NOSNAP) {
+		dout("mkdir dir %p dn %p mode 0%o\n", dir, dentry, mode);
+		op = CEPH_MDS_OP_MKDIR;
+	} else {
+		goto out;
+	}
+	req = ceph_mdsc_create_request(mdsc, op, USE_AUTH_MDS);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto out;
+	}
+
+	req->r_dentry = dget(dentry);
+	req->r_num_caps = 2;
+	req->r_locked_dir = dir;
+	req->r_args.mkdir.mode = cpu_to_le32(mode);
+	req->r_dentry_drop = CEPH_CAP_FILE_SHARED;
+	req->r_dentry_unless = CEPH_CAP_FILE_EXCL;
+	err = ceph_mdsc_do_request(mdsc, dir, req);
+	if (!err && !req->r_reply_info.head->is_dentry)
+		err = ceph_handle_notrace_create(dir, dentry);
+	ceph_mdsc_put_request(req);
+out:
+	if (err < 0)
+		d_drop(dentry);
+	return err;
+}
+
+static int ceph_link(struct dentry *old_dentry, struct inode *dir,
+		     struct dentry *dentry)
+{
+	struct ceph_client *client = ceph_sb_to_client(dir->i_sb);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct ceph_mds_request *req;
+	int err;
+
+	if (ceph_snap(dir) != CEPH_NOSNAP)
+		return -EROFS;
+
+	dout("link in dir %p old_dentry %p dentry %p\n", dir,
+	     old_dentry, dentry);
+	req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_LINK, USE_AUTH_MDS);
+	if (IS_ERR(req)) {
+		d_drop(dentry);
+		return PTR_ERR(req);
+	}
+	req->r_dentry = dget(dentry);
+	req->r_num_caps = 2;
+	req->r_old_dentry = dget(old_dentry); /* or inode? hrm. */
+	req->r_locked_dir = dir;
+	req->r_dentry_drop = CEPH_CAP_FILE_SHARED;
+	req->r_dentry_unless = CEPH_CAP_FILE_EXCL;
+	err = ceph_mdsc_do_request(mdsc, dir, req);
+	if (err)
+		d_drop(dentry);
+	else if (!req->r_reply_info.head->is_dentry)
+		d_instantiate(dentry, igrab(old_dentry->d_inode));
+	ceph_mdsc_put_request(req);
+	return err;
+}
+
+/*
+ * For a soon-to-be unlinked file, drop the AUTH_RDCACHE caps.  If it
+ * looks like the link count will hit 0, drop any other caps (other
+ * than PIN) we don't specifically want (due to the file still being
+ * open).
+ */
+static int drop_caps_for_unlink(struct inode *inode)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int drop = CEPH_CAP_LINK_SHARED | CEPH_CAP_LINK_EXCL;
+
+	spin_lock(&inode->i_lock);
+	if (inode->i_nlink == 1) {
+		drop |= ~(__ceph_caps_wanted(ci) | CEPH_CAP_PIN);
+		ci->i_ceph_flags |= CEPH_I_NODELAY;
+	}
+	spin_unlock(&inode->i_lock);
+	return drop;
+}
+
+/*
+ * rmdir and unlink are differ only by the metadata op code
+ */
+static int ceph_unlink(struct inode *dir, struct dentry *dentry)
+{
+	struct ceph_client *client = ceph_sb_to_client(dir->i_sb);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct inode *inode = dentry->d_inode;
+	struct ceph_mds_request *req;
+	int err = -EROFS;
+	int op;
+
+	if (ceph_snap(dir) == CEPH_SNAPDIR) {
+		/* rmdir .snap/foo is RMSNAP */
+		dout("rmsnap dir %p '%.*s' dn %p\n", dir, dentry->d_name.len,
+		     dentry->d_name.name, dentry);
+		op = CEPH_MDS_OP_RMSNAP;
+	} else if (ceph_snap(dir) == CEPH_NOSNAP) {
+		dout("unlink/rmdir dir %p dn %p inode %p\n",
+		     dir, dentry, inode);
+		op = ((dentry->d_inode->i_mode & S_IFMT) == S_IFDIR) ?
+			CEPH_MDS_OP_RMDIR : CEPH_MDS_OP_UNLINK;
+	} else
+		goto out;
+	req = ceph_mdsc_create_request(mdsc, op, USE_AUTH_MDS);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto out;
+	}
+	req->r_dentry = dget(dentry);
+	req->r_num_caps = 2;
+	req->r_locked_dir = dir;
+	req->r_dentry_drop = CEPH_CAP_FILE_SHARED;
+	req->r_dentry_unless = CEPH_CAP_FILE_EXCL;
+	req->r_inode_drop = drop_caps_for_unlink(inode);
+	err = ceph_mdsc_do_request(mdsc, dir, req);
+	if (!err && !req->r_reply_info.head->is_dentry)
+		d_delete(dentry);
+	ceph_mdsc_put_request(req);
+out:
+	return err;
+}
+
+static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry,
+		       struct inode *new_dir, struct dentry *new_dentry)
+{
+	struct ceph_client *client = ceph_sb_to_client(old_dir->i_sb);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct ceph_mds_request *req;
+	int err;
+
+	if (ceph_snap(old_dir) != ceph_snap(new_dir))
+		return -EXDEV;
+	if (ceph_snap(old_dir) != CEPH_NOSNAP ||
+	    ceph_snap(new_dir) != CEPH_NOSNAP)
+		return -EROFS;
+	dout("rename dir %p dentry %p to dir %p dentry %p\n",
+	     old_dir, old_dentry, new_dir, new_dentry);
+	req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_RENAME, USE_AUTH_MDS);
+	if (IS_ERR(req))
+		return PTR_ERR(req);
+	req->r_dentry = dget(new_dentry);
+	req->r_num_caps = 2;
+	req->r_old_dentry = dget(old_dentry);
+	req->r_locked_dir = new_dir;
+	req->r_old_dentry_drop = CEPH_CAP_FILE_SHARED;
+	req->r_old_dentry_unless = CEPH_CAP_FILE_EXCL;
+	req->r_dentry_drop = CEPH_CAP_FILE_SHARED;
+	req->r_dentry_unless = CEPH_CAP_FILE_EXCL;
+	/* release LINK_RDCACHE on source inode (mds will lock it) */
+	req->r_old_inode_drop = CEPH_CAP_LINK_SHARED;
+	if (new_dentry->d_inode)
+		req->r_inode_drop = drop_caps_for_unlink(new_dentry->d_inode);
+	err = ceph_mdsc_do_request(mdsc, old_dir, req);
+	if (!err && !req->r_reply_info.head->is_dentry) {
+		/*
+		 * Normally d_move() is done by fill_trace (called by
+		 * do_request, above).  If there is no trace, we need
+		 * to do it here.
+		 */
+		d_move(old_dentry, new_dentry);
+	}
+	ceph_mdsc_put_request(req);
+	return err;
+}
+
+
+/*
+ * Check if dentry lease is valid.  If not, delete the lease.  Try to
+ * renew if the least is more than half up.
+ */
+static int dentry_lease_is_valid(struct dentry *dentry)
+{
+	struct ceph_dentry_info *di;
+	struct ceph_mds_session *s;
+	int valid = 0;
+	u32 gen;
+	unsigned long ttl;
+	struct ceph_mds_session *session = NULL;
+	struct inode *dir = NULL;
+	u32 seq = 0;
+
+	spin_lock(&dentry->d_lock);
+	di = ceph_dentry(dentry);
+	if (di && di->lease_session) {
+		s = di->lease_session;
+		spin_lock(&s->s_cap_lock);
+		gen = s->s_cap_gen;
+		ttl = s->s_cap_ttl;
+		spin_unlock(&s->s_cap_lock);
+
+		if (di->lease_gen == gen &&
+		    time_before(jiffies, dentry->d_time) &&
+		    time_before(jiffies, ttl)) {
+			valid = 1;
+			if (di->lease_renew_after &&
+			    time_after(jiffies, di->lease_renew_after)) {
+				/* we should renew */
+				dir = dentry->d_parent->d_inode;
+				session = ceph_get_mds_session(s);
+				seq = di->lease_seq;
+				di->lease_renew_after = 0;
+				di->lease_renew_from = jiffies;
+			}
+		}
+	}
+	spin_unlock(&dentry->d_lock);
+
+	if (session) {
+		ceph_mdsc_lease_send_msg(session, dir, dentry,
+					 CEPH_MDS_LEASE_RENEW, seq);
+		ceph_put_mds_session(session);
+	}
+	dout("dentry_lease_is_valid - dentry %p = %d\n", dentry, valid);
+	return valid;
+}
+
+/*
+ * Check if directory-wide content lease/cap is valid.
+ */
+static int dir_lease_is_valid(struct inode *dir, struct dentry *dentry)
+{
+	struct ceph_inode_info *ci = ceph_inode(dir);
+	struct ceph_dentry_info *di = ceph_dentry(dentry);
+	int valid = 0;
+
+	spin_lock(&dir->i_lock);
+	if (ci->i_shared_gen == di->lease_shared_gen)
+		valid = __ceph_caps_issued_mask(ci, CEPH_CAP_FILE_SHARED, 1);
+	spin_unlock(&dir->i_lock);
+	dout("dir_lease_is_valid dir %p v%u dentry %p v%u = %d\n",
+	     dir, (unsigned)ci->i_shared_gen, dentry,
+	     (unsigned)di->lease_shared_gen, valid);
+	return valid;
+}
+
+/*
+ * Check if cached dentry can be trusted.
+ */
+static int ceph_d_revalidate(struct dentry *dentry, struct nameidata *nd)
+{
+	struct inode *dir = dentry->d_parent->d_inode;
+
+	dout("d_revalidate %p '%.*s' inode %p\n", dentry,
+	     dentry->d_name.len, dentry->d_name.name, dentry->d_inode);
+
+	/* always trust cached snapped dentries, snapdir dentry */
+	if (ceph_snap(dir) != CEPH_NOSNAP) {
+		dout("d_revalidate %p '%.*s' inode %p is SNAPPED\n", dentry,
+		     dentry->d_name.len, dentry->d_name.name, dentry->d_inode);
+		goto out_touch;
+	}
+	if (dentry->d_inode && ceph_snap(dentry->d_inode) == CEPH_SNAPDIR)
+		goto out_touch;
+
+	if (dentry_lease_is_valid(dentry) ||
+	    dir_lease_is_valid(dir, dentry))
+		goto out_touch;
+
+	dout("d_revalidate %p invalid\n", dentry);
+	d_drop(dentry);
+	return 0;
+out_touch:
+	ceph_dentry_lru_touch(dentry);
+	return 1;
+}
+
+/*
+ * When a dentry is released, clear the dir I_COMPLETE if it was part
+ * of the current dir gen.
+ */
+static void ceph_dentry_release(struct dentry *dentry)
+{
+	struct ceph_dentry_info *di = ceph_dentry(dentry);
+	struct inode *parent_inode = dentry->d_parent->d_inode;
+
+	if (parent_inode) {
+		struct ceph_inode_info *ci = ceph_inode(parent_inode);
+
+		spin_lock(&parent_inode->i_lock);
+		if (ci->i_shared_gen == di->lease_shared_gen) {
+			dout(" clearing %p complete (d_release)\n",
+			     parent_inode);
+			ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
+			ci->i_release_count++;
+		}
+		spin_unlock(&parent_inode->i_lock);
+	}
+	if (di) {
+		ceph_dentry_lru_del(dentry);
+		if (di->lease_session)
+			ceph_put_mds_session(di->lease_session);
+		kmem_cache_free(ceph_dentry_cachep, di);
+		dentry->d_fsdata = NULL;
+	}
+}
+
+static int ceph_snapdir_d_revalidate(struct dentry *dentry,
+					  struct nameidata *nd)
+{
+	/*
+	 * Eventually, we'll want to revalidate snapped metadata
+	 * too... probably...
+	 */
+	return 1;
+}
+
+
+
+/*
+ * read() on a dir.  This weird interface hack only works if mounted
+ * with '-o dirstat'.
+ */
+static ssize_t ceph_read_dir(struct file *file, char __user *buf, size_t size,
+			     loff_t *ppos)
+{
+	struct ceph_file_info *cf = file->private_data;
+	struct inode *inode = file->f_dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int left;
+
+	if (!ceph_test_opt(ceph_client(inode->i_sb), DIRSTAT))
+		return -EISDIR;
+
+	if (!cf->dir_info) {
+		cf->dir_info = kmalloc(1024, GFP_NOFS);
+		if (!cf->dir_info)
+			return -ENOMEM;
+		cf->dir_info_len =
+			sprintf(cf->dir_info,
+				"entries:   %20lld\n"
+				" files:    %20lld\n"
+				" subdirs:  %20lld\n"
+				"rentries:  %20lld\n"
+				" rfiles:   %20lld\n"
+				" rsubdirs: %20lld\n"
+				"rbytes:    %20lld\n"
+				"rctime:    %10ld.%09ld\n",
+				ci->i_files + ci->i_subdirs,
+				ci->i_files,
+				ci->i_subdirs,
+				ci->i_rfiles + ci->i_rsubdirs,
+				ci->i_rfiles,
+				ci->i_rsubdirs,
+				ci->i_rbytes,
+				(long)ci->i_rctime.tv_sec,
+				(long)ci->i_rctime.tv_nsec);
+	}
+
+	if (*ppos >= cf->dir_info_len)
+		return 0;
+	size = min_t(unsigned, size, cf->dir_info_len-*ppos);
+	left = copy_to_user(buf, cf->dir_info + *ppos, size);
+	if (left == size)
+		return -EFAULT;
+	*ppos += (size - left);
+	return size - left;
+}
+
+/*
+ * an fsync() on a dir will wait for any uncommitted directory
+ * operations to commit.
+ */
+static int ceph_dir_fsync(struct file *file, struct dentry *dentry,
+			  int datasync)
+{
+	struct inode *inode = dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct list_head *head = &ci->i_unsafe_dirops;
+	struct ceph_mds_request *req;
+	u64 last_tid;
+	int ret = 0;
+
+	dout("dir_fsync %p\n", inode);
+	spin_lock(&ci->i_unsafe_lock);
+	if (list_empty(head))
+		goto out;
+
+	req = list_entry(head->prev,
+			 struct ceph_mds_request, r_unsafe_dir_item);
+	last_tid = req->r_tid;
+
+	do {
+		ceph_mdsc_get_request(req);
+		spin_unlock(&ci->i_unsafe_lock);
+		dout("dir_fsync %p wait on tid %llu (until %llu)\n",
+		     inode, req->r_tid, last_tid);
+		if (req->r_timeout) {
+			ret = wait_for_completion_timeout(
+				&req->r_safe_completion, req->r_timeout);
+			if (ret > 0)
+				ret = 0;
+			else if (ret == 0)
+				ret = -EIO;  /* timed out */
+		} else {
+			wait_for_completion(&req->r_safe_completion);
+		}
+		spin_lock(&ci->i_unsafe_lock);
+		ceph_mdsc_put_request(req);
+
+		if (ret || list_empty(head))
+			break;
+		req = list_entry(head->next,
+				 struct ceph_mds_request, r_unsafe_dir_item);
+	} while (req->r_tid < last_tid);
+out:
+	spin_unlock(&ci->i_unsafe_lock);
+	return ret;
+}
+
+/*
+ * We maintain a private dentry LRU.
+ *
+ * FIXME: this needs to be changed to a per-mds lru to be useful.
+ */
+void ceph_dentry_lru_add(struct dentry *dn)
+{
+	struct ceph_dentry_info *di = ceph_dentry(dn);
+	struct ceph_mds_client *mdsc;
+
+	dout("dentry_lru_add %p %p '%.*s'\n", di, dn,
+	     dn->d_name.len, dn->d_name.name);
+	if (di) {
+		mdsc = &ceph_client(dn->d_sb)->mdsc;
+		spin_lock(&mdsc->dentry_lru_lock);
+		list_add_tail(&di->lru, &mdsc->dentry_lru);
+		mdsc->num_dentry++;
+		spin_unlock(&mdsc->dentry_lru_lock);
+	}
+}
+
+void ceph_dentry_lru_touch(struct dentry *dn)
+{
+	struct ceph_dentry_info *di = ceph_dentry(dn);
+	struct ceph_mds_client *mdsc;
+
+	dout("dentry_lru_touch %p %p '%.*s'\n", di, dn,
+	     dn->d_name.len, dn->d_name.name);
+	if (di) {
+		mdsc = &ceph_client(dn->d_sb)->mdsc;
+		spin_lock(&mdsc->dentry_lru_lock);
+		list_move_tail(&di->lru, &mdsc->dentry_lru);
+		spin_unlock(&mdsc->dentry_lru_lock);
+	}
+}
+
+void ceph_dentry_lru_del(struct dentry *dn)
+{
+	struct ceph_dentry_info *di = ceph_dentry(dn);
+	struct ceph_mds_client *mdsc;
+
+	dout("dentry_lru_del %p %p '%.*s'\n", di, dn,
+	     dn->d_name.len, dn->d_name.name);
+	if (di) {
+		mdsc = &ceph_client(dn->d_sb)->mdsc;
+		spin_lock(&mdsc->dentry_lru_lock);
+		list_del_init(&di->lru);
+		mdsc->num_dentry--;
+		spin_unlock(&mdsc->dentry_lru_lock);
+	}
+}
+
+const struct file_operations ceph_dir_fops = {
+	.read = ceph_read_dir,
+	.readdir = ceph_readdir,
+	.llseek = ceph_dir_llseek,
+	.open = ceph_open,
+	.release = ceph_release,
+	.unlocked_ioctl = ceph_ioctl,
+	.fsync = ceph_dir_fsync,
+};
+
+const struct inode_operations ceph_dir_iops = {
+	.lookup = ceph_lookup,
+	.permission = ceph_permission,
+	.getattr = ceph_getattr,
+	.setattr = ceph_setattr,
+	.setxattr = ceph_setxattr,
+	.getxattr = ceph_getxattr,
+	.listxattr = ceph_listxattr,
+	.removexattr = ceph_removexattr,
+	.mknod = ceph_mknod,
+	.symlink = ceph_symlink,
+	.mkdir = ceph_mkdir,
+	.link = ceph_link,
+	.unlink = ceph_unlink,
+	.rmdir = ceph_unlink,
+	.rename = ceph_rename,
+	.create = ceph_create,
+};
+
+struct dentry_operations ceph_dentry_ops = {
+	.d_revalidate = ceph_d_revalidate,
+	.d_release = ceph_dentry_release,
+};
+
+struct dentry_operations ceph_snapdir_dentry_ops = {
+	.d_revalidate = ceph_snapdir_d_revalidate,
+};
+
+struct dentry_operations ceph_snap_dentry_ops = {
+};
diff --git a/fs/ceph/export.c b/fs/ceph/export.c
new file mode 100644
index 000000000000..fc68e39cbad6
--- /dev/null
+++ b/fs/ceph/export.c
@@ -0,0 +1,223 @@
+#include "ceph_debug.h"
+
+#include <linux/exportfs.h>
+#include <asm/unaligned.h>
+
+#include "super.h"
+
+/*
+ * NFS export support
+ *
+ * NFS re-export of a ceph mount is, at present, only semireliable.
+ * The basic issue is that the Ceph architectures doesn't lend itself
+ * well to generating filehandles that will remain valid forever.
+ *
+ * So, we do our best.  If you're lucky, your inode will be in the
+ * client's cache.  If it's not, and you have a connectable fh, then
+ * the MDS server may be able to find it for you.  Otherwise, you get
+ * ESTALE.
+ *
+ * There are ways to this more reliable, but in the non-connectable fh
+ * case, we won't every work perfectly, and in the connectable case,
+ * some changes are needed on the MDS side to work better.
+ */
+
+/*
+ * Basic fh
+ */
+struct ceph_nfs_fh {
+	u64 ino;
+} __attribute__ ((packed));
+
+/*
+ * Larger 'connectable' fh that includes parent ino and name hash.
+ * Use this whenever possible, as it works more reliably.
+ */
+struct ceph_nfs_confh {
+	u64 ino, parent_ino;
+	u32 parent_name_hash;
+} __attribute__ ((packed));
+
+static int ceph_encode_fh(struct dentry *dentry, u32 *rawfh, int *max_len,
+			  int connectable)
+{
+	struct ceph_nfs_fh *fh = (void *)rawfh;
+	struct ceph_nfs_confh *cfh = (void *)rawfh;
+	struct dentry *parent = dentry->d_parent;
+	struct inode *inode = dentry->d_inode;
+	int type;
+
+	/* don't re-export snaps */
+	if (ceph_snap(inode) != CEPH_NOSNAP)
+		return -EINVAL;
+
+	if (*max_len >= sizeof(*cfh)) {
+		dout("encode_fh %p connectable\n", dentry);
+		cfh->ino = ceph_ino(dentry->d_inode);
+		cfh->parent_ino = ceph_ino(parent->d_inode);
+		cfh->parent_name_hash = parent->d_name.hash;
+		*max_len = sizeof(*cfh);
+		type = 2;
+	} else if (*max_len > sizeof(*fh)) {
+		if (connectable)
+			return -ENOSPC;
+		dout("encode_fh %p\n", dentry);
+		fh->ino = ceph_ino(dentry->d_inode);
+		*max_len = sizeof(*fh);
+		type = 1;
+	} else {
+		return -ENOSPC;
+	}
+	return type;
+}
+
+/*
+ * convert regular fh to dentry
+ *
+ * FIXME: we should try harder by querying the mds for the ino.
+ */
+static struct dentry *__fh_to_dentry(struct super_block *sb,
+				     struct ceph_nfs_fh *fh)
+{
+	struct inode *inode;
+	struct dentry *dentry;
+	struct ceph_vino vino;
+	int err;
+
+	dout("__fh_to_dentry %llx\n", fh->ino);
+	vino.ino = fh->ino;
+	vino.snap = CEPH_NOSNAP;
+	inode = ceph_find_inode(sb, vino);
+	if (!inode)
+		return ERR_PTR(-ESTALE);
+
+	dentry = d_obtain_alias(inode);
+	if (!dentry) {
+		pr_err("fh_to_dentry %llx -- inode %p but ENOMEM\n",
+		       fh->ino, inode);
+		iput(inode);
+		return ERR_PTR(-ENOMEM);
+	}
+	err = ceph_init_dentry(dentry);
+
+	if (err < 0) {
+		iput(inode);
+		return ERR_PTR(err);
+	}
+	dout("__fh_to_dentry %llx %p dentry %p\n", fh->ino, inode, dentry);
+	return dentry;
+}
+
+/*
+ * convert connectable fh to dentry
+ */
+static struct dentry *__cfh_to_dentry(struct super_block *sb,
+				      struct ceph_nfs_confh *cfh)
+{
+	struct ceph_mds_client *mdsc = &ceph_client(sb)->mdsc;
+	struct inode *inode;
+	struct dentry *dentry;
+	struct ceph_vino vino;
+	int err;
+
+	dout("__cfh_to_dentry %llx (%llx/%x)\n",
+	     cfh->ino, cfh->parent_ino, cfh->parent_name_hash);
+
+	vino.ino = cfh->ino;
+	vino.snap = CEPH_NOSNAP;
+	inode = ceph_find_inode(sb, vino);
+	if (!inode) {
+		struct ceph_mds_request *req;
+
+		req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_LOOKUPHASH,
+					       USE_ANY_MDS);
+		if (IS_ERR(req))
+			return ERR_PTR(PTR_ERR(req));
+
+		req->r_ino1 = vino;
+		req->r_ino2.ino = cfh->parent_ino;
+		req->r_ino2.snap = CEPH_NOSNAP;
+		req->r_path2 = kmalloc(16, GFP_NOFS);
+		snprintf(req->r_path2, 16, "%d", cfh->parent_name_hash);
+		req->r_num_caps = 1;
+		err = ceph_mdsc_do_request(mdsc, NULL, req);
+		ceph_mdsc_put_request(req);
+		inode = ceph_find_inode(sb, vino);
+		if (!inode)
+			return ERR_PTR(err ? err : -ESTALE);
+	}
+
+	dentry = d_obtain_alias(inode);
+	if (!dentry) {
+		pr_err("cfh_to_dentry %llx -- inode %p but ENOMEM\n",
+		       cfh->ino, inode);
+		iput(inode);
+		return ERR_PTR(-ENOMEM);
+	}
+	err = ceph_init_dentry(dentry);
+	if (err < 0) {
+		iput(inode);
+		return ERR_PTR(err);
+	}
+	dout("__cfh_to_dentry %llx %p dentry %p\n", cfh->ino, inode, dentry);
+	return dentry;
+}
+
+static struct dentry *ceph_fh_to_dentry(struct super_block *sb, struct fid *fid,
+					int fh_len, int fh_type)
+{
+	if (fh_type == 1)
+		return __fh_to_dentry(sb, (struct ceph_nfs_fh *)fid->raw);
+	else
+		return __cfh_to_dentry(sb, (struct ceph_nfs_confh *)fid->raw);
+}
+
+/*
+ * get parent, if possible.
+ *
+ * FIXME: we could do better by querying the mds to discover the
+ * parent.
+ */
+static struct dentry *ceph_fh_to_parent(struct super_block *sb,
+					 struct fid *fid,
+					int fh_len, int fh_type)
+{
+	struct ceph_nfs_confh *cfh = (void *)fid->raw;
+	struct ceph_vino vino;
+	struct inode *inode;
+	struct dentry *dentry;
+	int err;
+
+	if (fh_type == 1)
+		return ERR_PTR(-ESTALE);
+
+	pr_debug("fh_to_parent %llx/%d\n", cfh->parent_ino,
+		 cfh->parent_name_hash);
+
+	vino.ino = cfh->ino;
+	vino.snap = CEPH_NOSNAP;
+	inode = ceph_find_inode(sb, vino);
+	if (!inode)
+		return ERR_PTR(-ESTALE);
+
+	dentry = d_obtain_alias(inode);
+	if (!dentry) {
+		pr_err("fh_to_parent %llx -- inode %p but ENOMEM\n",
+		       cfh->ino, inode);
+		iput(inode);
+		return ERR_PTR(-ENOMEM);
+	}
+	err = ceph_init_dentry(dentry);
+	if (err < 0) {
+		iput(inode);
+		return ERR_PTR(err);
+	}
+	dout("fh_to_parent %llx %p dentry %p\n", cfh->ino, inode, dentry);
+	return dentry;
+}
+
+const struct export_operations ceph_export_ops = {
+	.encode_fh = ceph_encode_fh,
+	.fh_to_dentry = ceph_fh_to_dentry,
+	.fh_to_parent = ceph_fh_to_parent,
+};
diff --git a/fs/ceph/file.c b/fs/ceph/file.c
new file mode 100644
index 000000000000..5d2af8464f6a
--- /dev/null
+++ b/fs/ceph/file.c
@@ -0,0 +1,937 @@
+#include "ceph_debug.h"
+
+#include <linux/sched.h>
+#include <linux/file.h>
+#include <linux/namei.h>
+#include <linux/writeback.h>
+
+#include "super.h"
+#include "mds_client.h"
+
+/*
+ * Ceph file operations
+ *
+ * Implement basic open/close functionality, and implement
+ * read/write.
+ *
+ * We implement three modes of file I/O:
+ *  - buffered uses the generic_file_aio_{read,write} helpers
+ *
+ *  - synchronous is used when there is multi-client read/write
+ *    sharing, avoids the page cache, and synchronously waits for an
+ *    ack from the OSD.
+ *
+ *  - direct io takes the variant of the sync path that references
+ *    user pages directly.
+ *
+ * fsync() flushes and waits on dirty pages, but just queues metadata
+ * for writeback: since the MDS can recover size and mtime there is no
+ * need to wait for MDS acknowledgement.
+ */
+
+
+/*
+ * Prepare an open request.  Preallocate ceph_cap to avoid an
+ * inopportune ENOMEM later.
+ */
+static struct ceph_mds_request *
+prepare_open_request(struct super_block *sb, int flags, int create_mode)
+{
+	struct ceph_client *client = ceph_sb_to_client(sb);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct ceph_mds_request *req;
+	int want_auth = USE_ANY_MDS;
+	int op = (flags & O_CREAT) ? CEPH_MDS_OP_CREATE : CEPH_MDS_OP_OPEN;
+
+	if (flags & (O_WRONLY|O_RDWR|O_CREAT|O_TRUNC))
+		want_auth = USE_AUTH_MDS;
+
+	req = ceph_mdsc_create_request(mdsc, op, want_auth);
+	if (IS_ERR(req))
+		goto out;
+	req->r_fmode = ceph_flags_to_mode(flags);
+	req->r_args.open.flags = cpu_to_le32(flags);
+	req->r_args.open.mode = cpu_to_le32(create_mode);
+	req->r_args.open.preferred = cpu_to_le32(-1);
+out:
+	return req;
+}
+
+/*
+ * initialize private struct file data.
+ * if we fail, clean up by dropping fmode reference on the ceph_inode
+ */
+static int ceph_init_file(struct inode *inode, struct file *file, int fmode)
+{
+	struct ceph_file_info *cf;
+	int ret = 0;
+
+	switch (inode->i_mode & S_IFMT) {
+	case S_IFREG:
+	case S_IFDIR:
+		dout("init_file %p %p 0%o (regular)\n", inode, file,
+		     inode->i_mode);
+		cf = kmem_cache_alloc(ceph_file_cachep, GFP_NOFS | __GFP_ZERO);
+		if (cf == NULL) {
+			ceph_put_fmode(ceph_inode(inode), fmode); /* clean up */
+			return -ENOMEM;
+		}
+		cf->fmode = fmode;
+		cf->next_offset = 2;
+		file->private_data = cf;
+		BUG_ON(inode->i_fop->release != ceph_release);
+		break;
+
+	case S_IFLNK:
+		dout("init_file %p %p 0%o (symlink)\n", inode, file,
+		     inode->i_mode);
+		ceph_put_fmode(ceph_inode(inode), fmode); /* clean up */
+		break;
+
+	default:
+		dout("init_file %p %p 0%o (special)\n", inode, file,
+		     inode->i_mode);
+		/*
+		 * we need to drop the open ref now, since we don't
+		 * have .release set to ceph_release.
+		 */
+		ceph_put_fmode(ceph_inode(inode), fmode); /* clean up */
+		BUG_ON(inode->i_fop->release == ceph_release);
+
+		/* call the proper open fop */
+		ret = inode->i_fop->open(inode, file);
+	}
+	return ret;
+}
+
+/*
+ * If the filp already has private_data, that means the file was
+ * already opened by intent during lookup, and we do nothing.
+ *
+ * If we already have the requisite capabilities, we can satisfy
+ * the open request locally (no need to request new caps from the
+ * MDS).  We do, however, need to inform the MDS (asynchronously)
+ * if our wanted caps set expands.
+ */
+int ceph_open(struct inode *inode, struct file *file)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_client *client = ceph_sb_to_client(inode->i_sb);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct ceph_mds_request *req;
+	struct ceph_file_info *cf = file->private_data;
+	struct inode *parent_inode = file->f_dentry->d_parent->d_inode;
+	int err;
+	int flags, fmode, wanted;
+
+	if (cf) {
+		dout("open file %p is already opened\n", file);
+		return 0;
+	}
+
+	/* filter out O_CREAT|O_EXCL; vfs did that already.  yuck. */
+	flags = file->f_flags & ~(O_CREAT|O_EXCL);
+	if (S_ISDIR(inode->i_mode))
+		flags = O_DIRECTORY;  /* mds likes to know */
+
+	dout("open inode %p ino %llx.%llx file %p flags %d (%d)\n", inode,
+	     ceph_vinop(inode), file, flags, file->f_flags);
+	fmode = ceph_flags_to_mode(flags);
+	wanted = ceph_caps_for_mode(fmode);
+
+	/* snapped files are read-only */
+	if (ceph_snap(inode) != CEPH_NOSNAP && (file->f_mode & FMODE_WRITE))
+		return -EROFS;
+
+	/* trivially open snapdir */
+	if (ceph_snap(inode) == CEPH_SNAPDIR) {
+		spin_lock(&inode->i_lock);
+		__ceph_get_fmode(ci, fmode);
+		spin_unlock(&inode->i_lock);
+		return ceph_init_file(inode, file, fmode);
+	}
+
+	/*
+	 * No need to block if we have any caps.  Update wanted set
+	 * asynchronously.
+	 */
+	spin_lock(&inode->i_lock);
+	if (__ceph_is_any_real_caps(ci)) {
+		int mds_wanted = __ceph_caps_mds_wanted(ci);
+		int issued = __ceph_caps_issued(ci, NULL);
+
+		dout("open %p fmode %d want %s issued %s using existing\n",
+		     inode, fmode, ceph_cap_string(wanted),
+		     ceph_cap_string(issued));
+		__ceph_get_fmode(ci, fmode);
+		spin_unlock(&inode->i_lock);
+
+		/* adjust wanted? */
+		if ((issued & wanted) != wanted &&
+		    (mds_wanted & wanted) != wanted &&
+		    ceph_snap(inode) != CEPH_SNAPDIR)
+			ceph_check_caps(ci, 0, NULL);
+
+		return ceph_init_file(inode, file, fmode);
+	} else if (ceph_snap(inode) != CEPH_NOSNAP &&
+		   (ci->i_snap_caps & wanted) == wanted) {
+		__ceph_get_fmode(ci, fmode);
+		spin_unlock(&inode->i_lock);
+		return ceph_init_file(inode, file, fmode);
+	}
+	spin_unlock(&inode->i_lock);
+
+	dout("open fmode %d wants %s\n", fmode, ceph_cap_string(wanted));
+	req = prepare_open_request(inode->i_sb, flags, 0);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto out;
+	}
+	req->r_inode = igrab(inode);
+	req->r_num_caps = 1;
+	err = ceph_mdsc_do_request(mdsc, parent_inode, req);
+	if (!err)
+		err = ceph_init_file(inode, file, req->r_fmode);
+	ceph_mdsc_put_request(req);
+	dout("open result=%d on %llx.%llx\n", err, ceph_vinop(inode));
+out:
+	return err;
+}
+
+
+/*
+ * Do a lookup + open with a single request.
+ *
+ * If this succeeds, but some subsequent check in the vfs
+ * may_open() fails, the struct *file gets cleaned up (i.e.
+ * ceph_release gets called).  So fear not!
+ */
+/*
+ * flags
+ *  path_lookup_open   -> LOOKUP_OPEN
+ *  path_lookup_create -> LOOKUP_OPEN|LOOKUP_CREATE
+ */
+struct dentry *ceph_lookup_open(struct inode *dir, struct dentry *dentry,
+				struct nameidata *nd, int mode,
+				int locked_dir)
+{
+	struct ceph_client *client = ceph_sb_to_client(dir->i_sb);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct file *file = nd->intent.open.file;
+	struct inode *parent_inode = get_dentry_parent_inode(file->f_dentry);
+	struct ceph_mds_request *req;
+	int err;
+	int flags = nd->intent.open.flags - 1;  /* silly vfs! */
+
+	dout("ceph_lookup_open dentry %p '%.*s' flags %d mode 0%o\n",
+	     dentry, dentry->d_name.len, dentry->d_name.name, flags, mode);
+
+	/* do the open */
+	req = prepare_open_request(dir->i_sb, flags, mode);
+	if (IS_ERR(req))
+		return ERR_PTR(PTR_ERR(req));
+	req->r_dentry = dget(dentry);
+	req->r_num_caps = 2;
+	if (flags & O_CREAT) {
+		req->r_dentry_drop = CEPH_CAP_FILE_SHARED;
+		req->r_dentry_unless = CEPH_CAP_FILE_EXCL;
+	}
+	req->r_locked_dir = dir;           /* caller holds dir->i_mutex */
+	err = ceph_mdsc_do_request(mdsc, parent_inode, req);
+	dentry = ceph_finish_lookup(req, dentry, err);
+	if (!err && (flags & O_CREAT) && !req->r_reply_info.head->is_dentry)
+		err = ceph_handle_notrace_create(dir, dentry);
+	if (!err)
+		err = ceph_init_file(req->r_dentry->d_inode, file,
+				     req->r_fmode);
+	ceph_mdsc_put_request(req);
+	dout("ceph_lookup_open result=%p\n", dentry);
+	return dentry;
+}
+
+int ceph_release(struct inode *inode, struct file *file)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_file_info *cf = file->private_data;
+
+	dout("release inode %p file %p\n", inode, file);
+	ceph_put_fmode(ci, cf->fmode);
+	if (cf->last_readdir)
+		ceph_mdsc_put_request(cf->last_readdir);
+	kfree(cf->last_name);
+	kfree(cf->dir_info);
+	dput(cf->dentry);
+	kmem_cache_free(ceph_file_cachep, cf);
+
+	/* wake up anyone waiting for caps on this inode */
+	wake_up(&ci->i_cap_wq);
+	return 0;
+}
+
+/*
+ * build a vector of user pages
+ */
+static struct page **get_direct_page_vector(const char __user *data,
+					    int num_pages,
+					    loff_t off, size_t len)
+{
+	struct page **pages;
+	int rc;
+
+	pages = kmalloc(sizeof(*pages) * num_pages, GFP_NOFS);
+	if (!pages)
+		return ERR_PTR(-ENOMEM);
+
+	down_read(&current->mm->mmap_sem);
+	rc = get_user_pages(current, current->mm, (unsigned long)data,
+			    num_pages, 0, 0, pages, NULL);
+	up_read(&current->mm->mmap_sem);
+	if (rc < 0)
+		goto fail;
+	return pages;
+
+fail:
+	kfree(pages);
+	return ERR_PTR(rc);
+}
+
+static void put_page_vector(struct page **pages, int num_pages)
+{
+	int i;
+
+	for (i = 0; i < num_pages; i++)
+		put_page(pages[i]);
+	kfree(pages);
+}
+
+void ceph_release_page_vector(struct page **pages, int num_pages)
+{
+	int i;
+
+	for (i = 0; i < num_pages; i++)
+		__free_pages(pages[i], 0);
+	kfree(pages);
+}
+
+/*
+ * allocate a vector new pages
+ */
+static struct page **alloc_page_vector(int num_pages)
+{
+	struct page **pages;
+	int i;
+
+	pages = kmalloc(sizeof(*pages) * num_pages, GFP_NOFS);
+	if (!pages)
+		return ERR_PTR(-ENOMEM);
+	for (i = 0; i < num_pages; i++) {
+		pages[i] = alloc_page(GFP_NOFS);
+		if (pages[i] == NULL) {
+			ceph_release_page_vector(pages, i);
+			return ERR_PTR(-ENOMEM);
+		}
+	}
+	return pages;
+}
+
+/*
+ * copy user data into a page vector
+ */
+static int copy_user_to_page_vector(struct page **pages,
+				    const char __user *data,
+				    loff_t off, size_t len)
+{
+	int i = 0;
+	int po = off & ~PAGE_CACHE_MASK;
+	int left = len;
+	int l, bad;
+
+	while (left > 0) {
+		l = min_t(int, PAGE_CACHE_SIZE-po, left);
+		bad = copy_from_user(page_address(pages[i]) + po, data, l);
+		if (bad == l)
+			return -EFAULT;
+		data += l - bad;
+		left -= l - bad;
+		po += l - bad;
+		if (po == PAGE_CACHE_SIZE) {
+			po = 0;
+			i++;
+		}
+	}
+	return len;
+}
+
+/*
+ * copy user data from a page vector into a user pointer
+ */
+static int copy_page_vector_to_user(struct page **pages, char __user *data,
+				    loff_t off, size_t len)
+{
+	int i = 0;
+	int po = off & ~PAGE_CACHE_MASK;
+	int left = len;
+	int l, bad;
+
+	while (left > 0) {
+		l = min_t(int, left, PAGE_CACHE_SIZE-po);
+		bad = copy_to_user(data, page_address(pages[i]) + po, l);
+		if (bad == l)
+			return -EFAULT;
+		data += l - bad;
+		left -= l - bad;
+		if (po) {
+			po += l - bad;
+			if (po == PAGE_CACHE_SIZE)
+				po = 0;
+		}
+		i++;
+	}
+	return len;
+}
+
+/*
+ * Zero an extent within a page vector.  Offset is relative to the
+ * start of the first page.
+ */
+static void zero_page_vector_range(int off, int len, struct page **pages)
+{
+	int i = off >> PAGE_CACHE_SHIFT;
+
+	off &= ~PAGE_CACHE_MASK;
+
+	dout("zero_page_vector_page %u~%u\n", off, len);
+
+	/* leading partial page? */
+	if (off) {
+		int end = min((int)PAGE_CACHE_SIZE, off + len);
+		dout("zeroing %d %p head from %d\n", i, pages[i],
+		     (int)off);
+		zero_user_segment(pages[i], off, end);
+		len -= (end - off);
+		i++;
+	}
+	while (len >= PAGE_CACHE_SIZE) {
+		dout("zeroing %d %p len=%d\n", i, pages[i], len);
+		zero_user_segment(pages[i], 0, PAGE_CACHE_SIZE);
+		len -= PAGE_CACHE_SIZE;
+		i++;
+	}
+	/* trailing partial page? */
+	if (len) {
+		dout("zeroing %d %p tail to %d\n", i, pages[i], (int)len);
+		zero_user_segment(pages[i], 0, len);
+	}
+}
+
+
+/*
+ * Read a range of bytes striped over one or more objects.  Iterate over
+ * objects we stripe over.  (That's not atomic, but good enough for now.)
+ *
+ * If we get a short result from the OSD, check against i_size; we need to
+ * only return a short read to the caller if we hit EOF.
+ */
+static int striped_read(struct inode *inode,
+			u64 off, u64 len,
+			struct page **pages, int num_pages,
+			int *checkeof)
+{
+	struct ceph_client *client = ceph_inode_to_client(inode);
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	u64 pos, this_len;
+	int page_off = off & ~PAGE_CACHE_MASK; /* first byte's offset in page */
+	int left, pages_left;
+	int read;
+	struct page **page_pos;
+	int ret;
+	bool hit_stripe, was_short;
+
+	/*
+	 * we may need to do multiple reads.  not atomic, unfortunately.
+	 */
+	pos = off;
+	left = len;
+	page_pos = pages;
+	pages_left = num_pages;
+	read = 0;
+
+more:
+	this_len = left;
+	ret = ceph_osdc_readpages(&client->osdc, ceph_vino(inode),
+				  &ci->i_layout, pos, &this_len,
+				  ci->i_truncate_seq,
+				  ci->i_truncate_size,
+				  page_pos, pages_left);
+	hit_stripe = this_len < left;
+	was_short = ret >= 0 && ret < this_len;
+	if (ret == -ENOENT)
+		ret = 0;
+	dout("striped_read %llu~%u (read %u) got %d%s%s\n", pos, left, read,
+	     ret, hit_stripe ? " HITSTRIPE" : "", was_short ? " SHORT" : "");
+
+	if (ret > 0) {
+		int didpages =
+			((pos & ~PAGE_CACHE_MASK) + ret) >> PAGE_CACHE_SHIFT;
+
+		if (read < pos - off) {
+			dout(" zero gap %llu to %llu\n", off + read, pos);
+			zero_page_vector_range(page_off + read,
+					       pos - off - read, pages);
+		}
+		pos += ret;
+		read = pos - off;
+		left -= ret;
+		page_pos += didpages;
+		pages_left -= didpages;
+
+		/* hit stripe? */
+		if (left && hit_stripe)
+			goto more;
+	}
+
+	if (was_short) {
+		/* was original extent fully inside i_size? */
+		if (pos + left <= inode->i_size) {
+			dout("zero tail\n");
+			zero_page_vector_range(page_off + read, len - read,
+					       pages);
+			read = len;
+			goto out;
+		}
+
+		/* check i_size */
+		*checkeof = 1;
+	}
+
+out:
+	if (ret >= 0)
+		ret = read;
+	dout("striped_read returns %d\n", ret);
+	return ret;
+}
+
+/*
+ * Completely synchronous read and write methods.  Direct from __user
+ * buffer to osd, or directly to user pages (if O_DIRECT).
+ *
+ * If the read spans object boundary, just do multiple reads.
+ */
+static ssize_t ceph_sync_read(struct file *file, char __user *data,
+			      unsigned len, loff_t *poff, int *checkeof)
+{
+	struct inode *inode = file->f_dentry->d_inode;
+	struct page **pages;
+	u64 off = *poff;
+	int num_pages = calc_pages_for(off, len);
+	int ret;
+
+	dout("sync_read on file %p %llu~%u %s\n", file, off, len,
+	     (file->f_flags & O_DIRECT) ? "O_DIRECT" : "");
+
+	if (file->f_flags & O_DIRECT) {
+		pages = get_direct_page_vector(data, num_pages, off, len);
+
+		/*
+		 * flush any page cache pages in this range.  this
+		 * will make concurrent normal and O_DIRECT io slow,
+		 * but it will at least behave sensibly when they are
+		 * in sequence.
+		 */
+	} else {
+		pages = alloc_page_vector(num_pages);
+	}
+	if (IS_ERR(pages))
+		return PTR_ERR(pages);
+
+	ret = filemap_write_and_wait(inode->i_mapping);
+	if (ret < 0)
+		goto done;
+
+	ret = striped_read(inode, off, len, pages, num_pages, checkeof);
+
+	if (ret >= 0 && (file->f_flags & O_DIRECT) == 0)
+		ret = copy_page_vector_to_user(pages, data, off, ret);
+	if (ret >= 0)
+		*poff = off + ret;
+
+done:
+	if (file->f_flags & O_DIRECT)
+		put_page_vector(pages, num_pages);
+	else
+		ceph_release_page_vector(pages, num_pages);
+	dout("sync_read result %d\n", ret);
+	return ret;
+}
+
+/*
+ * Write commit callback, called if we requested both an ACK and
+ * ONDISK commit reply from the OSD.
+ */
+static void sync_write_commit(struct ceph_osd_request *req,
+			      struct ceph_msg *msg)
+{
+	struct ceph_inode_info *ci = ceph_inode(req->r_inode);
+
+	dout("sync_write_commit %p tid %llu\n", req, req->r_tid);
+	spin_lock(&ci->i_unsafe_lock);
+	list_del_init(&req->r_unsafe_item);
+	spin_unlock(&ci->i_unsafe_lock);
+	ceph_put_cap_refs(ci, CEPH_CAP_FILE_WR);
+}
+
+/*
+ * Synchronous write, straight from __user pointer or user pages (if
+ * O_DIRECT).
+ *
+ * If write spans object boundary, just do multiple writes.  (For a
+ * correct atomic write, we should e.g. take write locks on all
+ * objects, rollback on failure, etc.)
+ */
+static ssize_t ceph_sync_write(struct file *file, const char __user *data,
+			       size_t left, loff_t *offset)
+{
+	struct inode *inode = file->f_dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_client *client = ceph_inode_to_client(inode);
+	struct ceph_osd_request *req;
+	struct page **pages;
+	int num_pages;
+	long long unsigned pos;
+	u64 len;
+	int written = 0;
+	int flags;
+	int do_sync = 0;
+	int check_caps = 0;
+	int ret;
+	struct timespec mtime = CURRENT_TIME;
+
+	if (ceph_snap(file->f_dentry->d_inode) != CEPH_NOSNAP)
+		return -EROFS;
+
+	dout("sync_write on file %p %lld~%u %s\n", file, *offset,
+	     (unsigned)left, (file->f_flags & O_DIRECT) ? "O_DIRECT" : "");
+
+	if (file->f_flags & O_APPEND)
+		pos = i_size_read(inode);
+	else
+		pos = *offset;
+
+	ret = filemap_write_and_wait_range(inode->i_mapping, pos, pos + left);
+	if (ret < 0)
+		return ret;
+
+	ret = invalidate_inode_pages2_range(inode->i_mapping,
+					    pos >> PAGE_CACHE_SHIFT,
+					    (pos + left) >> PAGE_CACHE_SHIFT);
+	if (ret < 0)
+		dout("invalidate_inode_pages2_range returned %d\n", ret);
+
+	flags = CEPH_OSD_FLAG_ORDERSNAP |
+		CEPH_OSD_FLAG_ONDISK |
+		CEPH_OSD_FLAG_WRITE;
+	if ((file->f_flags & (O_SYNC|O_DIRECT)) == 0)
+		flags |= CEPH_OSD_FLAG_ACK;
+	else
+		do_sync = 1;
+
+	/*
+	 * we may need to do multiple writes here if we span an object
+	 * boundary.  this isn't atomic, unfortunately.  :(
+	 */
+more:
+	len = left;
+	req = ceph_osdc_new_request(&client->osdc, &ci->i_layout,
+				    ceph_vino(inode), pos, &len,
+				    CEPH_OSD_OP_WRITE, flags,
+				    ci->i_snap_realm->cached_context,
+				    do_sync,
+				    ci->i_truncate_seq, ci->i_truncate_size,
+				    &mtime, false, 2);
+	if (IS_ERR(req))
+		return PTR_ERR(req);
+
+	num_pages = calc_pages_for(pos, len);
+
+	if (file->f_flags & O_DIRECT) {
+		pages = get_direct_page_vector(data, num_pages, pos, len);
+		if (IS_ERR(pages)) {
+			ret = PTR_ERR(pages);
+			goto out;
+		}
+
+		/*
+		 * throw out any page cache pages in this range. this
+		 * may block.
+		 */
+		truncate_inode_pages_range(inode->i_mapping, pos, pos+len);
+	} else {
+		pages = alloc_page_vector(num_pages);
+		if (IS_ERR(pages)) {
+			ret = PTR_ERR(pages);
+			goto out;
+		}
+		ret = copy_user_to_page_vector(pages, data, pos, len);
+		if (ret < 0) {
+			ceph_release_page_vector(pages, num_pages);
+			goto out;
+		}
+
+		if ((file->f_flags & O_SYNC) == 0) {
+			/* get a second commit callback */
+			req->r_safe_callback = sync_write_commit;
+			req->r_own_pages = 1;
+		}
+	}
+	req->r_pages = pages;
+	req->r_num_pages = num_pages;
+	req->r_inode = inode;
+
+	ret = ceph_osdc_start_request(&client->osdc, req, false);
+	if (!ret) {
+		if (req->r_safe_callback) {
+			/*
+			 * Add to inode unsafe list only after we
+			 * start_request so that a tid has been assigned.
+			 */
+			spin_lock(&ci->i_unsafe_lock);
+			list_add(&ci->i_unsafe_writes, &req->r_unsafe_item);
+			spin_unlock(&ci->i_unsafe_lock);
+			ceph_get_cap_refs(ci, CEPH_CAP_FILE_WR);
+		}
+		ret = ceph_osdc_wait_request(&client->osdc, req);
+	}
+
+	if (file->f_flags & O_DIRECT)
+		put_page_vector(pages, num_pages);
+	else if (file->f_flags & O_SYNC)
+		ceph_release_page_vector(pages, num_pages);
+
+out:
+	ceph_osdc_put_request(req);
+	if (ret == 0) {
+		pos += len;
+		written += len;
+		left -= len;
+		if (left)
+			goto more;
+
+		ret = written;
+		*offset = pos;
+		if (pos > i_size_read(inode))
+			check_caps = ceph_inode_set_size(inode, pos);
+		if (check_caps)
+			ceph_check_caps(ceph_inode(inode), CHECK_CAPS_AUTHONLY,
+					NULL);
+	}
+	return ret;
+}
+
+/*
+ * Wrap generic_file_aio_read with checks for cap bits on the inode.
+ * Atomically grab references, so that those bits are not released
+ * back to the MDS mid-read.
+ *
+ * Hmm, the sync read case isn't actually async... should it be?
+ */
+static ssize_t ceph_aio_read(struct kiocb *iocb, const struct iovec *iov,
+			     unsigned long nr_segs, loff_t pos)
+{
+	struct file *filp = iocb->ki_filp;
+	loff_t *ppos = &iocb->ki_pos;
+	size_t len = iov->iov_len;
+	struct inode *inode = filp->f_dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	void *base = iov->iov_base;
+	ssize_t ret;
+	int got = 0;
+	int checkeof = 0, read = 0;
+
+	dout("aio_read %p %llx.%llx %llu~%u trying to get caps on %p\n",
+	     inode, ceph_vinop(inode), pos, (unsigned)len, inode);
+again:
+	__ceph_do_pending_vmtruncate(inode);
+	ret = ceph_get_caps(ci, CEPH_CAP_FILE_RD, CEPH_CAP_FILE_CACHE,
+			    &got, -1);
+	if (ret < 0)
+		goto out;
+	dout("aio_read %p %llx.%llx %llu~%u got cap refs on %s\n",
+	     inode, ceph_vinop(inode), pos, (unsigned)len,
+	     ceph_cap_string(got));
+
+	if ((got & CEPH_CAP_FILE_CACHE) == 0 ||
+	    (iocb->ki_filp->f_flags & O_DIRECT) ||
+	    (inode->i_sb->s_flags & MS_SYNCHRONOUS))
+		/* hmm, this isn't really async... */
+		ret = ceph_sync_read(filp, base, len, ppos, &checkeof);
+	else
+		ret = generic_file_aio_read(iocb, iov, nr_segs, pos);
+
+out:
+	dout("aio_read %p %llx.%llx dropping cap refs on %s = %d\n",
+	     inode, ceph_vinop(inode), ceph_cap_string(got), (int)ret);
+	ceph_put_cap_refs(ci, got);
+
+	if (checkeof && ret >= 0) {
+		int statret = ceph_do_getattr(inode, CEPH_STAT_CAP_SIZE);
+
+		/* hit EOF or hole? */
+		if (statret == 0 && *ppos < inode->i_size) {
+			dout("aio_read sync_read hit hole, reading more\n");
+			read += ret;
+			base += ret;
+			len -= ret;
+			checkeof = 0;
+			goto again;
+		}
+	}
+	if (ret >= 0)
+		ret += read;
+
+	return ret;
+}
+
+/*
+ * Take cap references to avoid releasing caps to MDS mid-write.
+ *
+ * If we are synchronous, and write with an old snap context, the OSD
+ * may return EOLDSNAPC.  In that case, retry the write.. _after_
+ * dropping our cap refs and allowing the pending snap to logically
+ * complete _before_ this write occurs.
+ *
+ * If we are near ENOSPC, write synchronously.
+ */
+static ssize_t ceph_aio_write(struct kiocb *iocb, const struct iovec *iov,
+		       unsigned long nr_segs, loff_t pos)
+{
+	struct file *file = iocb->ki_filp;
+	struct inode *inode = file->f_dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_osd_client *osdc = &ceph_client(inode->i_sb)->osdc;
+	loff_t endoff = pos + iov->iov_len;
+	int got = 0;
+	int ret, err;
+
+	if (ceph_snap(inode) != CEPH_NOSNAP)
+		return -EROFS;
+
+retry_snap:
+	if (ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_FULL))
+		return -ENOSPC;
+	__ceph_do_pending_vmtruncate(inode);
+	dout("aio_write %p %llx.%llx %llu~%u getting caps. i_size %llu\n",
+	     inode, ceph_vinop(inode), pos, (unsigned)iov->iov_len,
+	     inode->i_size);
+	ret = ceph_get_caps(ci, CEPH_CAP_FILE_WR, CEPH_CAP_FILE_BUFFER,
+			    &got, endoff);
+	if (ret < 0)
+		goto out;
+
+	dout("aio_write %p %llx.%llx %llu~%u  got cap refs on %s\n",
+	     inode, ceph_vinop(inode), pos, (unsigned)iov->iov_len,
+	     ceph_cap_string(got));
+
+	if ((got & CEPH_CAP_FILE_BUFFER) == 0 ||
+	    (iocb->ki_filp->f_flags & O_DIRECT) ||
+	    (inode->i_sb->s_flags & MS_SYNCHRONOUS)) {
+		ret = ceph_sync_write(file, iov->iov_base, iov->iov_len,
+			&iocb->ki_pos);
+	} else {
+		ret = generic_file_aio_write(iocb, iov, nr_segs, pos);
+
+		if ((ret >= 0 || ret == -EIOCBQUEUED) &&
+		    ((file->f_flags & O_SYNC) || IS_SYNC(file->f_mapping->host)
+		     || ceph_osdmap_flag(osdc->osdmap, CEPH_OSDMAP_NEARFULL))) {
+			err = vfs_fsync_range(file, file->f_path.dentry,
+					      pos, pos + ret - 1, 1);
+			if (err < 0)
+				ret = err;
+		}
+	}
+	if (ret >= 0) {
+		spin_lock(&inode->i_lock);
+		__ceph_mark_dirty_caps(ci, CEPH_CAP_FILE_WR);
+		spin_unlock(&inode->i_lock);
+	}
+
+out:
+	dout("aio_write %p %llx.%llx %llu~%u  dropping cap refs on %s\n",
+	     inode, ceph_vinop(inode), pos, (unsigned)iov->iov_len,
+	     ceph_cap_string(got));
+	ceph_put_cap_refs(ci, got);
+
+	if (ret == -EOLDSNAPC) {
+		dout("aio_write %p %llx.%llx %llu~%u got EOLDSNAPC, retrying\n",
+		     inode, ceph_vinop(inode), pos, (unsigned)iov->iov_len);
+		goto retry_snap;
+	}
+
+	return ret;
+}
+
+/*
+ * llseek.  be sure to verify file size on SEEK_END.
+ */
+static loff_t ceph_llseek(struct file *file, loff_t offset, int origin)
+{
+	struct inode *inode = file->f_mapping->host;
+	int ret;
+
+	mutex_lock(&inode->i_mutex);
+	__ceph_do_pending_vmtruncate(inode);
+	switch (origin) {
+	case SEEK_END:
+		ret = ceph_do_getattr(inode, CEPH_STAT_CAP_SIZE);
+		if (ret < 0) {
+			offset = ret;
+			goto out;
+		}
+		offset += inode->i_size;
+		break;
+	case SEEK_CUR:
+		/*
+		 * Here we special-case the lseek(fd, 0, SEEK_CUR)
+		 * position-querying operation.  Avoid rewriting the "same"
+		 * f_pos value back to the file because a concurrent read(),
+		 * write() or lseek() might have altered it
+		 */
+		if (offset == 0) {
+			offset = file->f_pos;
+			goto out;
+		}
+		offset += file->f_pos;
+		break;
+	}
+
+	if (offset < 0 || offset > inode->i_sb->s_maxbytes) {
+		offset = -EINVAL;
+		goto out;
+	}
+
+	/* Special lock needed here? */
+	if (offset != file->f_pos) {
+		file->f_pos = offset;
+		file->f_version = 0;
+	}
+
+out:
+	mutex_unlock(&inode->i_mutex);
+	return offset;
+}
+
+const struct file_operations ceph_file_fops = {
+	.open = ceph_open,
+	.release = ceph_release,
+	.llseek = ceph_llseek,
+	.read = do_sync_read,
+	.write = do_sync_write,
+	.aio_read = ceph_aio_read,
+	.aio_write = ceph_aio_write,
+	.mmap = ceph_mmap,
+	.fsync = ceph_fsync,
+	.splice_read = generic_file_splice_read,
+	.splice_write = generic_file_splice_write,
+	.unlocked_ioctl = ceph_ioctl,
+	.compat_ioctl	= ceph_ioctl,
+};
+
diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
new file mode 100644
index 000000000000..aca82d55cc53
--- /dev/null
+++ b/fs/ceph/inode.c
@@ -0,0 +1,1766 @@
+#include "ceph_debug.h"
+
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/smp_lock.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/uaccess.h>
+#include <linux/kernel.h>
+#include <linux/namei.h>
+#include <linux/writeback.h>
+#include <linux/vmalloc.h>
+#include <linux/pagevec.h>
+
+#include "super.h"
+#include "decode.h"
+
+/*
+ * Ceph inode operations
+ *
+ * Implement basic inode helpers (get, alloc) and inode ops (getattr,
+ * setattr, etc.), xattr helpers, and helpers for assimilating
+ * metadata returned by the MDS into our cache.
+ *
+ * Also define helpers for doing asynchronous writeback, invalidation,
+ * and truncation for the benefit of those who can't afford to block
+ * (typically because they are in the message handler path).
+ */
+
+static const struct inode_operations ceph_symlink_iops;
+
+static void ceph_invalidate_work(struct work_struct *work);
+static void ceph_writeback_work(struct work_struct *work);
+static void ceph_vmtruncate_work(struct work_struct *work);
+
+/*
+ * find or create an inode, given the ceph ino number
+ */
+struct inode *ceph_get_inode(struct super_block *sb, struct ceph_vino vino)
+{
+	struct inode *inode;
+	ino_t t = ceph_vino_to_ino(vino);
+
+	inode = iget5_locked(sb, t, ceph_ino_compare, ceph_set_ino_cb, &vino);
+	if (inode == NULL)
+		return ERR_PTR(-ENOMEM);
+	if (inode->i_state & I_NEW) {
+		dout("get_inode created new inode %p %llx.%llx ino %llx\n",
+		     inode, ceph_vinop(inode), (u64)inode->i_ino);
+		unlock_new_inode(inode);
+	}
+
+	dout("get_inode on %lu=%llx.%llx got %p\n", inode->i_ino, vino.ino,
+	     vino.snap, inode);
+	return inode;
+}
+
+/*
+ * get/constuct snapdir inode for a given directory
+ */
+struct inode *ceph_get_snapdir(struct inode *parent)
+{
+	struct ceph_vino vino = {
+		.ino = ceph_ino(parent),
+		.snap = CEPH_SNAPDIR,
+	};
+	struct inode *inode = ceph_get_inode(parent->i_sb, vino);
+	struct ceph_inode_info *ci = ceph_inode(inode);
+
+	BUG_ON(!S_ISDIR(parent->i_mode));
+	if (IS_ERR(inode))
+		return ERR_PTR(PTR_ERR(inode));
+	inode->i_mode = parent->i_mode;
+	inode->i_uid = parent->i_uid;
+	inode->i_gid = parent->i_gid;
+	inode->i_op = &ceph_dir_iops;
+	inode->i_fop = &ceph_dir_fops;
+	ci->i_snap_caps = CEPH_CAP_PIN; /* so we can open */
+	ci->i_rbytes = 0;
+	return inode;
+}
+
+const struct inode_operations ceph_file_iops = {
+	.permission = ceph_permission,
+	.setattr = ceph_setattr,
+	.getattr = ceph_getattr,
+	.setxattr = ceph_setxattr,
+	.getxattr = ceph_getxattr,
+	.listxattr = ceph_listxattr,
+	.removexattr = ceph_removexattr,
+};
+
+
+/*
+ * We use a 'frag tree' to keep track of the MDS's directory fragments
+ * for a given inode (usually there is just a single fragment).  We
+ * need to know when a child frag is delegated to a new MDS, or when
+ * it is flagged as replicated, so we can direct our requests
+ * accordingly.
+ */
+
+/*
+ * find/create a frag in the tree
+ */
+static struct ceph_inode_frag *__get_or_create_frag(struct ceph_inode_info *ci,
+						    u32 f)
+{
+	struct rb_node **p;
+	struct rb_node *parent = NULL;
+	struct ceph_inode_frag *frag;
+	int c;
+
+	p = &ci->i_fragtree.rb_node;
+	while (*p) {
+		parent = *p;
+		frag = rb_entry(parent, struct ceph_inode_frag, node);
+		c = ceph_frag_compare(f, frag->frag);
+		if (c < 0)
+			p = &(*p)->rb_left;
+		else if (c > 0)
+			p = &(*p)->rb_right;
+		else
+			return frag;
+	}
+
+	frag = kmalloc(sizeof(*frag), GFP_NOFS);
+	if (!frag) {
+		pr_err("__get_or_create_frag ENOMEM on %p %llx.%llx "
+		       "frag %x\n", &ci->vfs_inode,
+		       ceph_vinop(&ci->vfs_inode), f);
+		return ERR_PTR(-ENOMEM);
+	}
+	frag->frag = f;
+	frag->split_by = 0;
+	frag->mds = -1;
+	frag->ndist = 0;
+
+	rb_link_node(&frag->node, parent, p);
+	rb_insert_color(&frag->node, &ci->i_fragtree);
+
+	dout("get_or_create_frag added %llx.%llx frag %x\n",
+	     ceph_vinop(&ci->vfs_inode), f);
+	return frag;
+}
+
+/*
+ * find a specific frag @f
+ */
+struct ceph_inode_frag *__ceph_find_frag(struct ceph_inode_info *ci, u32 f)
+{
+	struct rb_node *n = ci->i_fragtree.rb_node;
+
+	while (n) {
+		struct ceph_inode_frag *frag =
+			rb_entry(n, struct ceph_inode_frag, node);
+		int c = ceph_frag_compare(f, frag->frag);
+		if (c < 0)
+			n = n->rb_left;
+		else if (c > 0)
+			n = n->rb_right;
+		else
+			return frag;
+	}
+	return NULL;
+}
+
+/*
+ * Choose frag containing the given value @v.  If @pfrag is
+ * specified, copy the frag delegation info to the caller if
+ * it is present.
+ */
+u32 ceph_choose_frag(struct ceph_inode_info *ci, u32 v,
+		     struct ceph_inode_frag *pfrag,
+		     int *found)
+{
+	u32 t = ceph_frag_make(0, 0);
+	struct ceph_inode_frag *frag;
+	unsigned nway, i;
+	u32 n;
+
+	if (found)
+		*found = 0;
+
+	mutex_lock(&ci->i_fragtree_mutex);
+	while (1) {
+		WARN_ON(!ceph_frag_contains_value(t, v));
+		frag = __ceph_find_frag(ci, t);
+		if (!frag)
+			break; /* t is a leaf */
+		if (frag->split_by == 0) {
+			if (pfrag)
+				memcpy(pfrag, frag, sizeof(*pfrag));
+			if (found)
+				*found = 1;
+			break;
+		}
+
+		/* choose child */
+		nway = 1 << frag->split_by;
+		dout("choose_frag(%x) %x splits by %d (%d ways)\n", v, t,
+		     frag->split_by, nway);
+		for (i = 0; i < nway; i++) {
+			n = ceph_frag_make_child(t, frag->split_by, i);
+			if (ceph_frag_contains_value(n, v)) {
+				t = n;
+				break;
+			}
+		}
+		BUG_ON(i == nway);
+	}
+	dout("choose_frag(%x) = %x\n", v, t);
+
+	mutex_unlock(&ci->i_fragtree_mutex);
+	return t;
+}
+
+/*
+ * Process dirfrag (delegation) info from the mds.  Include leaf
+ * fragment in tree ONLY if ndist > 0.  Otherwise, only
+ * branches/splits are included in i_fragtree)
+ */
+static int ceph_fill_dirfrag(struct inode *inode,
+			     struct ceph_mds_reply_dirfrag *dirinfo)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_inode_frag *frag;
+	u32 id = le32_to_cpu(dirinfo->frag);
+	int mds = le32_to_cpu(dirinfo->auth);
+	int ndist = le32_to_cpu(dirinfo->ndist);
+	int i;
+	int err = 0;
+
+	mutex_lock(&ci->i_fragtree_mutex);
+	if (ndist == 0) {
+		/* no delegation info needed. */
+		frag = __ceph_find_frag(ci, id);
+		if (!frag)
+			goto out;
+		if (frag->split_by == 0) {
+			/* tree leaf, remove */
+			dout("fill_dirfrag removed %llx.%llx frag %x"
+			     " (no ref)\n", ceph_vinop(inode), id);
+			rb_erase(&frag->node, &ci->i_fragtree);
+			kfree(frag);
+		} else {
+			/* tree branch, keep and clear */
+			dout("fill_dirfrag cleared %llx.%llx frag %x"
+			     " referral\n", ceph_vinop(inode), id);
+			frag->mds = -1;
+			frag->ndist = 0;
+		}
+		goto out;
+	}
+
+
+	/* find/add this frag to store mds delegation info */
+	frag = __get_or_create_frag(ci, id);
+	if (IS_ERR(frag)) {
+		/* this is not the end of the world; we can continue
+		   with bad/inaccurate delegation info */
+		pr_err("fill_dirfrag ENOMEM on mds ref %llx.%llx fg %x\n",
+		       ceph_vinop(inode), le32_to_cpu(dirinfo->frag));
+		err = -ENOMEM;
+		goto out;
+	}
+
+	frag->mds = mds;
+	frag->ndist = min_t(u32, ndist, CEPH_MAX_DIRFRAG_REP);
+	for (i = 0; i < frag->ndist; i++)
+		frag->dist[i] = le32_to_cpu(dirinfo->dist[i]);
+	dout("fill_dirfrag %llx.%llx frag %x ndist=%d\n",
+	     ceph_vinop(inode), frag->frag, frag->ndist);
+
+out:
+	mutex_unlock(&ci->i_fragtree_mutex);
+	return err;
+}
+
+
+/*
+ * initialize a newly allocated inode.
+ */
+struct inode *ceph_alloc_inode(struct super_block *sb)
+{
+	struct ceph_inode_info *ci;
+	int i;
+
+	ci = kmem_cache_alloc(ceph_inode_cachep, GFP_NOFS);
+	if (!ci)
+		return NULL;
+
+	dout("alloc_inode %p\n", &ci->vfs_inode);
+
+	ci->i_version = 0;
+	ci->i_time_warp_seq = 0;
+	ci->i_ceph_flags = 0;
+	ci->i_release_count = 0;
+	ci->i_symlink = NULL;
+
+	ci->i_fragtree = RB_ROOT;
+	mutex_init(&ci->i_fragtree_mutex);
+
+	ci->i_xattrs.blob = NULL;
+	ci->i_xattrs.prealloc_blob = NULL;
+	ci->i_xattrs.dirty = false;
+	ci->i_xattrs.index = RB_ROOT;
+	ci->i_xattrs.count = 0;
+	ci->i_xattrs.names_size = 0;
+	ci->i_xattrs.vals_size = 0;
+	ci->i_xattrs.version = 0;
+	ci->i_xattrs.index_version = 0;
+
+	ci->i_caps = RB_ROOT;
+	ci->i_auth_cap = NULL;
+	ci->i_dirty_caps = 0;
+	ci->i_flushing_caps = 0;
+	INIT_LIST_HEAD(&ci->i_dirty_item);
+	INIT_LIST_HEAD(&ci->i_flushing_item);
+	ci->i_cap_flush_seq = 0;
+	ci->i_cap_flush_last_tid = 0;
+	memset(&ci->i_cap_flush_tid, 0, sizeof(ci->i_cap_flush_tid));
+	init_waitqueue_head(&ci->i_cap_wq);
+	ci->i_hold_caps_min = 0;
+	ci->i_hold_caps_max = 0;
+	INIT_LIST_HEAD(&ci->i_cap_delay_list);
+	ci->i_cap_exporting_mds = 0;
+	ci->i_cap_exporting_mseq = 0;
+	ci->i_cap_exporting_issued = 0;
+	INIT_LIST_HEAD(&ci->i_cap_snaps);
+	ci->i_head_snapc = NULL;
+	ci->i_snap_caps = 0;
+
+	for (i = 0; i < CEPH_FILE_MODE_NUM; i++)
+		ci->i_nr_by_mode[i] = 0;
+
+	ci->i_truncate_seq = 0;
+	ci->i_truncate_size = 0;
+	ci->i_truncate_pending = 0;
+
+	ci->i_max_size = 0;
+	ci->i_reported_size = 0;
+	ci->i_wanted_max_size = 0;
+	ci->i_requested_max_size = 0;
+
+	ci->i_pin_ref = 0;
+	ci->i_rd_ref = 0;
+	ci->i_rdcache_ref = 0;
+	ci->i_wr_ref = 0;
+	ci->i_wrbuffer_ref = 0;
+	ci->i_wrbuffer_ref_head = 0;
+	ci->i_shared_gen = 0;
+	ci->i_rdcache_gen = 0;
+	ci->i_rdcache_revoking = 0;
+
+	INIT_LIST_HEAD(&ci->i_unsafe_writes);
+	INIT_LIST_HEAD(&ci->i_unsafe_dirops);
+	spin_lock_init(&ci->i_unsafe_lock);
+
+	ci->i_snap_realm = NULL;
+	INIT_LIST_HEAD(&ci->i_snap_realm_item);
+	INIT_LIST_HEAD(&ci->i_snap_flush_item);
+
+	INIT_WORK(&ci->i_wb_work, ceph_writeback_work);
+	INIT_WORK(&ci->i_pg_inv_work, ceph_invalidate_work);
+
+	INIT_WORK(&ci->i_vmtruncate_work, ceph_vmtruncate_work);
+
+	return &ci->vfs_inode;
+}
+
+void ceph_destroy_inode(struct inode *inode)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_inode_frag *frag;
+	struct rb_node *n;
+
+	dout("destroy_inode %p ino %llx.%llx\n", inode, ceph_vinop(inode));
+
+	ceph_queue_caps_release(inode);
+
+	/*
+	 * we may still have a snap_realm reference if there are stray
+	 * caps in i_cap_exporting_issued or i_snap_caps.
+	 */
+	if (ci->i_snap_realm) {
+		struct ceph_mds_client *mdsc =
+			&ceph_client(ci->vfs_inode.i_sb)->mdsc;
+		struct ceph_snap_realm *realm = ci->i_snap_realm;
+
+		dout(" dropping residual ref to snap realm %p\n", realm);
+		spin_lock(&realm->inodes_with_caps_lock);
+		list_del_init(&ci->i_snap_realm_item);
+		spin_unlock(&realm->inodes_with_caps_lock);
+		ceph_put_snap_realm(mdsc, realm);
+	}
+
+	kfree(ci->i_symlink);
+	while ((n = rb_first(&ci->i_fragtree)) != NULL) {
+		frag = rb_entry(n, struct ceph_inode_frag, node);
+		rb_erase(n, &ci->i_fragtree);
+		kfree(frag);
+	}
+
+	__ceph_destroy_xattrs(ci);
+	if (ci->i_xattrs.blob)
+		ceph_buffer_put(ci->i_xattrs.blob);
+	if (ci->i_xattrs.prealloc_blob)
+		ceph_buffer_put(ci->i_xattrs.prealloc_blob);
+
+	kmem_cache_free(ceph_inode_cachep, ci);
+}
+
+
+/*
+ * Helpers to fill in size, ctime, mtime, and atime.  We have to be
+ * careful because either the client or MDS may have more up to date
+ * info, depending on which capabilities are held, and whether
+ * time_warp_seq or truncate_seq have increased.  (Ordinarily, mtime
+ * and size are monotonically increasing, except when utimes() or
+ * truncate() increments the corresponding _seq values.)
+ */
+int ceph_fill_file_size(struct inode *inode, int issued,
+			u32 truncate_seq, u64 truncate_size, u64 size)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int queue_trunc = 0;
+
+	if (ceph_seq_cmp(truncate_seq, ci->i_truncate_seq) > 0 ||
+	    (truncate_seq == ci->i_truncate_seq && size > inode->i_size)) {
+		dout("size %lld -> %llu\n", inode->i_size, size);
+		inode->i_size = size;
+		inode->i_blocks = (size + (1<<9) - 1) >> 9;
+		ci->i_reported_size = size;
+		if (truncate_seq != ci->i_truncate_seq) {
+			dout("truncate_seq %u -> %u\n",
+			     ci->i_truncate_seq, truncate_seq);
+			ci->i_truncate_seq = truncate_seq;
+			/*
+			 * If we hold relevant caps, or in the case where we're
+			 * not the only client referencing this file and we
+			 * don't hold those caps, then we need to check whether
+			 * the file is either opened or mmaped
+			 */
+			if ((issued & (CEPH_CAP_FILE_CACHE|CEPH_CAP_FILE_RD|
+				      CEPH_CAP_FILE_WR|CEPH_CAP_FILE_BUFFER|
+				      CEPH_CAP_FILE_EXCL)) ||
+			    mapping_mapped(inode->i_mapping) ||
+			    __ceph_caps_file_wanted(ci)) {
+				ci->i_truncate_pending++;
+				queue_trunc = 1;
+			}
+		}
+	}
+	if (ceph_seq_cmp(truncate_seq, ci->i_truncate_seq) >= 0 &&
+	    ci->i_truncate_size != truncate_size) {
+		dout("truncate_size %lld -> %llu\n", ci->i_truncate_size,
+		     truncate_size);
+		ci->i_truncate_size = truncate_size;
+	}
+	return queue_trunc;
+}
+
+void ceph_fill_file_time(struct inode *inode, int issued,
+			 u64 time_warp_seq, struct timespec *ctime,
+			 struct timespec *mtime, struct timespec *atime)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int warn = 0;
+
+	if (issued & (CEPH_CAP_FILE_EXCL|
+		      CEPH_CAP_FILE_WR|
+		      CEPH_CAP_FILE_BUFFER)) {
+		if (timespec_compare(ctime, &inode->i_ctime) > 0) {
+			dout("ctime %ld.%09ld -> %ld.%09ld inc w/ cap\n",
+			     inode->i_ctime.tv_sec, inode->i_ctime.tv_nsec,
+			     ctime->tv_sec, ctime->tv_nsec);
+			inode->i_ctime = *ctime;
+		}
+		if (ceph_seq_cmp(time_warp_seq, ci->i_time_warp_seq) > 0) {
+			/* the MDS did a utimes() */
+			dout("mtime %ld.%09ld -> %ld.%09ld "
+			     "tw %d -> %d\n",
+			     inode->i_mtime.tv_sec, inode->i_mtime.tv_nsec,
+			     mtime->tv_sec, mtime->tv_nsec,
+			     ci->i_time_warp_seq, (int)time_warp_seq);
+
+			inode->i_mtime = *mtime;
+			inode->i_atime = *atime;
+			ci->i_time_warp_seq = time_warp_seq;
+		} else if (time_warp_seq == ci->i_time_warp_seq) {
+			/* nobody did utimes(); take the max */
+			if (timespec_compare(mtime, &inode->i_mtime) > 0) {
+				dout("mtime %ld.%09ld -> %ld.%09ld inc\n",
+				     inode->i_mtime.tv_sec,
+				     inode->i_mtime.tv_nsec,
+				     mtime->tv_sec, mtime->tv_nsec);
+				inode->i_mtime = *mtime;
+			}
+			if (timespec_compare(atime, &inode->i_atime) > 0) {
+				dout("atime %ld.%09ld -> %ld.%09ld inc\n",
+				     inode->i_atime.tv_sec,
+				     inode->i_atime.tv_nsec,
+				     atime->tv_sec, atime->tv_nsec);
+				inode->i_atime = *atime;
+			}
+		} else if (issued & CEPH_CAP_FILE_EXCL) {
+			/* we did a utimes(); ignore mds values */
+		} else {
+			warn = 1;
+		}
+	} else {
+		/* we have no write caps; whatever the MDS says is true */
+		if (ceph_seq_cmp(time_warp_seq, ci->i_time_warp_seq) >= 0) {
+			inode->i_ctime = *ctime;
+			inode->i_mtime = *mtime;
+			inode->i_atime = *atime;
+			ci->i_time_warp_seq = time_warp_seq;
+		} else {
+			warn = 1;
+		}
+	}
+	if (warn) /* time_warp_seq shouldn't go backwards */
+		dout("%p mds time_warp_seq %llu < %u\n",
+		     inode, time_warp_seq, ci->i_time_warp_seq);
+}
+
+/*
+ * Populate an inode based on info from mds.  May be called on new or
+ * existing inodes.
+ */
+static int fill_inode(struct inode *inode,
+		      struct ceph_mds_reply_info_in *iinfo,
+		      struct ceph_mds_reply_dirfrag *dirinfo,
+		      struct ceph_mds_session *session,
+		      unsigned long ttl_from, int cap_fmode,
+		      struct ceph_cap_reservation *caps_reservation)
+{
+	struct ceph_mds_reply_inode *info = iinfo->in;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int i;
+	int issued, implemented;
+	struct timespec mtime, atime, ctime;
+	u32 nsplits;
+	struct ceph_buffer *xattr_blob = NULL;
+	int err = 0;
+	int queue_trunc = 0;
+
+	dout("fill_inode %p ino %llx.%llx v %llu had %llu\n",
+	     inode, ceph_vinop(inode), le64_to_cpu(info->version),
+	     ci->i_version);
+
+	/*
+	 * prealloc xattr data, if it looks like we'll need it.  only
+	 * if len > 4 (meaning there are actually xattrs; the first 4
+	 * bytes are the xattr count).
+	 */
+	if (iinfo->xattr_len > 4) {
+		xattr_blob = ceph_buffer_new(iinfo->xattr_len, GFP_NOFS);
+		if (!xattr_blob)
+			pr_err("fill_inode ENOMEM xattr blob %d bytes\n",
+			       iinfo->xattr_len);
+	}
+
+	spin_lock(&inode->i_lock);
+
+	/*
+	 * provided version will be odd if inode value is projected,
+	 * even if stable.  skip the update if we have a newer info
+	 * (e.g., due to inode info racing form multiple MDSs), or if
+	 * we are getting projected (unstable) inode info.
+	 */
+	if (le64_to_cpu(info->version) > 0 &&
+	    (ci->i_version & ~1) > le64_to_cpu(info->version))
+		goto no_change;
+
+	issued = __ceph_caps_issued(ci, &implemented);
+	issued |= implemented | __ceph_caps_dirty(ci);
+
+	/* update inode */
+	ci->i_version = le64_to_cpu(info->version);
+	inode->i_version++;
+	inode->i_rdev = le32_to_cpu(info->rdev);
+
+	if ((issued & CEPH_CAP_AUTH_EXCL) == 0) {
+		inode->i_mode = le32_to_cpu(info->mode);
+		inode->i_uid = le32_to_cpu(info->uid);
+		inode->i_gid = le32_to_cpu(info->gid);
+		dout("%p mode 0%o uid.gid %d.%d\n", inode, inode->i_mode,
+		     inode->i_uid, inode->i_gid);
+	}
+
+	if ((issued & CEPH_CAP_LINK_EXCL) == 0)
+		inode->i_nlink = le32_to_cpu(info->nlink);
+
+	/* be careful with mtime, atime, size */
+	ceph_decode_timespec(&atime, &info->atime);
+	ceph_decode_timespec(&mtime, &info->mtime);
+	ceph_decode_timespec(&ctime, &info->ctime);
+	queue_trunc = ceph_fill_file_size(inode, issued,
+					  le32_to_cpu(info->truncate_seq),
+					  le64_to_cpu(info->truncate_size),
+					  le64_to_cpu(info->size));
+	ceph_fill_file_time(inode, issued,
+			    le32_to_cpu(info->time_warp_seq),
+			    &ctime, &mtime, &atime);
+
+	ci->i_max_size = le64_to_cpu(info->max_size);
+	ci->i_layout = info->layout;
+	inode->i_blkbits = fls(le32_to_cpu(info->layout.fl_stripe_unit)) - 1;
+
+	/* xattrs */
+	/* note that if i_xattrs.len <= 4, i_xattrs.data will still be NULL. */
+	if ((issued & CEPH_CAP_XATTR_EXCL) == 0 &&
+	    le64_to_cpu(info->xattr_version) > ci->i_xattrs.version) {
+		if (ci->i_xattrs.blob)
+			ceph_buffer_put(ci->i_xattrs.blob);
+		ci->i_xattrs.blob = xattr_blob;
+		if (xattr_blob)
+			memcpy(ci->i_xattrs.blob->vec.iov_base,
+			       iinfo->xattr_data, iinfo->xattr_len);
+		ci->i_xattrs.version = le64_to_cpu(info->xattr_version);
+	}
+
+	inode->i_mapping->a_ops = &ceph_aops;
+	inode->i_mapping->backing_dev_info =
+		&ceph_client(inode->i_sb)->backing_dev_info;
+
+	switch (inode->i_mode & S_IFMT) {
+	case S_IFIFO:
+	case S_IFBLK:
+	case S_IFCHR:
+	case S_IFSOCK:
+		init_special_inode(inode, inode->i_mode, inode->i_rdev);
+		inode->i_op = &ceph_file_iops;
+		break;
+	case S_IFREG:
+		inode->i_op = &ceph_file_iops;
+		inode->i_fop = &ceph_file_fops;
+		break;
+	case S_IFLNK:
+		inode->i_op = &ceph_symlink_iops;
+		if (!ci->i_symlink) {
+			int symlen = iinfo->symlink_len;
+			char *sym;
+
+			BUG_ON(symlen != inode->i_size);
+			spin_unlock(&inode->i_lock);
+
+			err = -ENOMEM;
+			sym = kmalloc(symlen+1, GFP_NOFS);
+			if (!sym)
+				goto out;
+			memcpy(sym, iinfo->symlink, symlen);
+			sym[symlen] = 0;
+
+			spin_lock(&inode->i_lock);
+			if (!ci->i_symlink)
+				ci->i_symlink = sym;
+			else
+				kfree(sym); /* lost a race */
+		}
+		break;
+	case S_IFDIR:
+		inode->i_op = &ceph_dir_iops;
+		inode->i_fop = &ceph_dir_fops;
+
+		ci->i_files = le64_to_cpu(info->files);
+		ci->i_subdirs = le64_to_cpu(info->subdirs);
+		ci->i_rbytes = le64_to_cpu(info->rbytes);
+		ci->i_rfiles = le64_to_cpu(info->rfiles);
+		ci->i_rsubdirs = le64_to_cpu(info->rsubdirs);
+		ceph_decode_timespec(&ci->i_rctime, &info->rctime);
+
+		/* set dir completion flag? */
+		if (ci->i_files == 0 && ci->i_subdirs == 0 &&
+		    ceph_snap(inode) == CEPH_NOSNAP &&
+		    (le32_to_cpu(info->cap.caps) & CEPH_CAP_FILE_SHARED)) {
+			dout(" marking %p complete (empty)\n", inode);
+			ci->i_ceph_flags |= CEPH_I_COMPLETE;
+			ci->i_max_offset = 2;
+		}
+
+		/* it may be better to set st_size in getattr instead? */
+		if (ceph_test_opt(ceph_client(inode->i_sb), RBYTES))
+			inode->i_size = ci->i_rbytes;
+		break;
+	default:
+		pr_err("fill_inode %llx.%llx BAD mode 0%o\n",
+		       ceph_vinop(inode), inode->i_mode);
+	}
+
+no_change:
+	spin_unlock(&inode->i_lock);
+
+	/* queue truncate if we saw i_size decrease */
+	if (queue_trunc)
+		ceph_queue_vmtruncate(inode);
+
+	/* populate frag tree */
+	/* FIXME: move me up, if/when version reflects fragtree changes */
+	nsplits = le32_to_cpu(info->fragtree.nsplits);
+	mutex_lock(&ci->i_fragtree_mutex);
+	for (i = 0; i < nsplits; i++) {
+		u32 id = le32_to_cpu(info->fragtree.splits[i].frag);
+		struct ceph_inode_frag *frag = __get_or_create_frag(ci, id);
+
+		if (IS_ERR(frag))
+			continue;
+		frag->split_by = le32_to_cpu(info->fragtree.splits[i].by);
+		dout(" frag %x split by %d\n", frag->frag, frag->split_by);
+	}
+	mutex_unlock(&ci->i_fragtree_mutex);
+
+	/* were we issued a capability? */
+	if (info->cap.caps) {
+		if (ceph_snap(inode) == CEPH_NOSNAP) {
+			ceph_add_cap(inode, session,
+				     le64_to_cpu(info->cap.cap_id),
+				     cap_fmode,
+				     le32_to_cpu(info->cap.caps),
+				     le32_to_cpu(info->cap.wanted),
+				     le32_to_cpu(info->cap.seq),
+				     le32_to_cpu(info->cap.mseq),
+				     le64_to_cpu(info->cap.realm),
+				     info->cap.flags,
+				     caps_reservation);
+		} else {
+			spin_lock(&inode->i_lock);
+			dout(" %p got snap_caps %s\n", inode,
+			     ceph_cap_string(le32_to_cpu(info->cap.caps)));
+			ci->i_snap_caps |= le32_to_cpu(info->cap.caps);
+			if (cap_fmode >= 0)
+				__ceph_get_fmode(ci, cap_fmode);
+			spin_unlock(&inode->i_lock);
+		}
+	}
+
+	/* update delegation info? */
+	if (dirinfo)
+		ceph_fill_dirfrag(inode, dirinfo);
+
+	err = 0;
+
+out:
+	if (xattr_blob)
+		ceph_buffer_put(xattr_blob);
+	return err;
+}
+
+/*
+ * caller should hold session s_mutex.
+ */
+static void update_dentry_lease(struct dentry *dentry,
+				struct ceph_mds_reply_lease *lease,
+				struct ceph_mds_session *session,
+				unsigned long from_time)
+{
+	struct ceph_dentry_info *di = ceph_dentry(dentry);
+	long unsigned duration = le32_to_cpu(lease->duration_ms);
+	long unsigned ttl = from_time + (duration * HZ) / 1000;
+	long unsigned half_ttl = from_time + (duration * HZ / 2) / 1000;
+	struct inode *dir;
+
+	/* only track leases on regular dentries */
+	if (dentry->d_op != &ceph_dentry_ops)
+		return;
+
+	spin_lock(&dentry->d_lock);
+	dout("update_dentry_lease %p mask %d duration %lu ms ttl %lu\n",
+	     dentry, le16_to_cpu(lease->mask), duration, ttl);
+
+	/* make lease_rdcache_gen match directory */
+	dir = dentry->d_parent->d_inode;
+	di->lease_shared_gen = ceph_inode(dir)->i_shared_gen;
+
+	if (lease->mask == 0)
+		goto out_unlock;
+
+	if (di->lease_gen == session->s_cap_gen &&
+	    time_before(ttl, dentry->d_time))
+		goto out_unlock;  /* we already have a newer lease. */
+
+	if (di->lease_session && di->lease_session != session)
+		goto out_unlock;
+
+	ceph_dentry_lru_touch(dentry);
+
+	if (!di->lease_session)
+		di->lease_session = ceph_get_mds_session(session);
+	di->lease_gen = session->s_cap_gen;
+	di->lease_seq = le32_to_cpu(lease->seq);
+	di->lease_renew_after = half_ttl;
+	di->lease_renew_from = 0;
+	dentry->d_time = ttl;
+out_unlock:
+	spin_unlock(&dentry->d_lock);
+	return;
+}
+
+/*
+ * splice a dentry to an inode.
+ * caller must hold directory i_mutex for this to be safe.
+ *
+ * we will only rehash the resulting dentry if @prehash is
+ * true; @prehash will be set to false (for the benefit of
+ * the caller) if we fail.
+ */
+static struct dentry *splice_dentry(struct dentry *dn, struct inode *in,
+				    bool *prehash)
+{
+	struct dentry *realdn;
+
+	/* dn must be unhashed */
+	if (!d_unhashed(dn))
+		d_drop(dn);
+	realdn = d_materialise_unique(dn, in);
+	if (IS_ERR(realdn)) {
+		pr_err("splice_dentry error %p inode %p ino %llx.%llx\n",
+		       dn, in, ceph_vinop(in));
+		if (prehash)
+			*prehash = false; /* don't rehash on error */
+		dn = realdn; /* note realdn contains the error */
+		goto out;
+	} else if (realdn) {
+		dout("dn %p (%d) spliced with %p (%d) "
+		     "inode %p ino %llx.%llx\n",
+		     dn, atomic_read(&dn->d_count),
+		     realdn, atomic_read(&realdn->d_count),
+		     realdn->d_inode, ceph_vinop(realdn->d_inode));
+		dput(dn);
+		dn = realdn;
+	} else {
+		BUG_ON(!ceph_dentry(dn));
+
+		dout("dn %p attached to %p ino %llx.%llx\n",
+		     dn, dn->d_inode, ceph_vinop(dn->d_inode));
+	}
+	if ((!prehash || *prehash) && d_unhashed(dn))
+		d_rehash(dn);
+out:
+	return dn;
+}
+
+/*
+ * Set dentry's directory position based on the current dir's max, and
+ * order it in d_subdirs, so that dcache_readdir behaves.
+ */
+static void ceph_set_dentry_offset(struct dentry *dn)
+{
+	struct dentry *dir = dn->d_parent;
+	struct inode *inode = dn->d_parent->d_inode;
+	struct ceph_dentry_info *di;
+
+	BUG_ON(!inode);
+
+	di = ceph_dentry(dn);
+
+	spin_lock(&inode->i_lock);
+	di->offset = ceph_inode(inode)->i_max_offset++;
+	spin_unlock(&inode->i_lock);
+
+	spin_lock(&dcache_lock);
+	spin_lock(&dn->d_lock);
+	list_move_tail(&dir->d_subdirs, &dn->d_u.d_child);
+	dout("set_dentry_offset %p %lld (%p %p)\n", dn, di->offset,
+	     dn->d_u.d_child.prev, dn->d_u.d_child.next);
+	spin_unlock(&dn->d_lock);
+	spin_unlock(&dcache_lock);
+}
+
+/*
+ * Incorporate results into the local cache.  This is either just
+ * one inode, or a directory, dentry, and possibly linked-to inode (e.g.,
+ * after a lookup).
+ *
+ * A reply may contain
+ *         a directory inode along with a dentry.
+ *  and/or a target inode
+ *
+ * Called with snap_rwsem (read).
+ */
+int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req,
+		    struct ceph_mds_session *session)
+{
+	struct ceph_mds_reply_info_parsed *rinfo = &req->r_reply_info;
+	struct inode *in = NULL;
+	struct ceph_mds_reply_inode *ininfo;
+	struct ceph_vino vino;
+	int i = 0;
+	int err = 0;
+
+	dout("fill_trace %p is_dentry %d is_target %d\n", req,
+	     rinfo->head->is_dentry, rinfo->head->is_target);
+
+#if 0
+	/*
+	 * Debugging hook:
+	 *
+	 * If we resend completed ops to a recovering mds, we get no
+	 * trace.  Since that is very rare, pretend this is the case
+	 * to ensure the 'no trace' handlers in the callers behave.
+	 *
+	 * Fill in inodes unconditionally to avoid breaking cap
+	 * invariants.
+	 */
+	if (rinfo->head->op & CEPH_MDS_OP_WRITE) {
+		pr_info("fill_trace faking empty trace on %lld %s\n",
+			req->r_tid, ceph_mds_op_name(rinfo->head->op));
+		if (rinfo->head->is_dentry) {
+			rinfo->head->is_dentry = 0;
+			err = fill_inode(req->r_locked_dir,
+					 &rinfo->diri, rinfo->dirfrag,
+					 session, req->r_request_started, -1);
+		}
+		if (rinfo->head->is_target) {
+			rinfo->head->is_target = 0;
+			ininfo = rinfo->targeti.in;
+			vino.ino = le64_to_cpu(ininfo->ino);
+			vino.snap = le64_to_cpu(ininfo->snapid);
+			in = ceph_get_inode(sb, vino);
+			err = fill_inode(in, &rinfo->targeti, NULL,
+					 session, req->r_request_started,
+					 req->r_fmode);
+			iput(in);
+		}
+	}
+#endif
+
+	if (!rinfo->head->is_target && !rinfo->head->is_dentry) {
+		dout("fill_trace reply is empty!\n");
+		if (rinfo->head->result == 0 && req->r_locked_dir) {
+			struct ceph_inode_info *ci =
+				ceph_inode(req->r_locked_dir);
+			dout(" clearing %p complete (empty trace)\n",
+			     req->r_locked_dir);
+			ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
+			ci->i_release_count++;
+		}
+		return 0;
+	}
+
+	if (rinfo->head->is_dentry) {
+		struct inode *dir = req->r_locked_dir;
+
+		err = fill_inode(dir, &rinfo->diri, rinfo->dirfrag,
+				 session, req->r_request_started, -1,
+				 &req->r_caps_reservation);
+		if (err < 0)
+			return err;
+	}
+
+	if (rinfo->head->is_dentry && !req->r_aborted) {
+		/*
+		 * lookup link rename   : null -> possibly existing inode
+		 * mknod symlink mkdir  : null -> new inode
+		 * unlink               : linked -> null
+		 */
+		struct inode *dir = req->r_locked_dir;
+		struct dentry *dn = req->r_dentry;
+		bool have_dir_cap, have_lease;
+
+		BUG_ON(!dn);
+		BUG_ON(!dir);
+		BUG_ON(dn->d_parent->d_inode != dir);
+		BUG_ON(ceph_ino(dir) !=
+		       le64_to_cpu(rinfo->diri.in->ino));
+		BUG_ON(ceph_snap(dir) !=
+		       le64_to_cpu(rinfo->diri.in->snapid));
+
+		/* do we have a lease on the whole dir? */
+		have_dir_cap =
+			(le32_to_cpu(rinfo->diri.in->cap.caps) &
+			 CEPH_CAP_FILE_SHARED);
+
+		/* do we have a dn lease? */
+		have_lease = have_dir_cap ||
+			(le16_to_cpu(rinfo->dlease->mask) &
+			 CEPH_LOCK_DN);
+
+		if (!have_lease)
+			dout("fill_trace  no dentry lease or dir cap\n");
+
+		/* rename? */
+		if (req->r_old_dentry && req->r_op == CEPH_MDS_OP_RENAME) {
+			dout(" src %p '%.*s' dst %p '%.*s'\n",
+			     req->r_old_dentry,
+			     req->r_old_dentry->d_name.len,
+			     req->r_old_dentry->d_name.name,
+			     dn, dn->d_name.len, dn->d_name.name);
+			dout("fill_trace doing d_move %p -> %p\n",
+			     req->r_old_dentry, dn);
+			d_move(req->r_old_dentry, dn);
+			dout(" src %p '%.*s' dst %p '%.*s'\n",
+			     req->r_old_dentry,
+			     req->r_old_dentry->d_name.len,
+			     req->r_old_dentry->d_name.name,
+			     dn, dn->d_name.len, dn->d_name.name);
+			/* ensure target dentry is invalidated, despite
+			   rehashing bug in vfs_rename_dir */
+			dn->d_time = jiffies;
+			ceph_dentry(dn)->lease_shared_gen = 0;
+			/* take overwritten dentry's readdir offset */
+			ceph_dentry(req->r_old_dentry)->offset =
+				ceph_dentry(dn)->offset;
+			dn = req->r_old_dentry;  /* use old_dentry */
+			in = dn->d_inode;
+		}
+
+		/* null dentry? */
+		if (!rinfo->head->is_target) {
+			dout("fill_trace null dentry\n");
+			if (dn->d_inode) {
+				dout("d_delete %p\n", dn);
+				d_delete(dn);
+			} else {
+				dout("d_instantiate %p NULL\n", dn);
+				d_instantiate(dn, NULL);
+				if (have_lease && d_unhashed(dn))
+					d_rehash(dn);
+				update_dentry_lease(dn, rinfo->dlease,
+						    session,
+						    req->r_request_started);
+			}
+			goto done;
+		}
+
+		/* attach proper inode */
+		ininfo = rinfo->targeti.in;
+		vino.ino = le64_to_cpu(ininfo->ino);
+		vino.snap = le64_to_cpu(ininfo->snapid);
+		if (!dn->d_inode) {
+			in = ceph_get_inode(sb, vino);
+			if (IS_ERR(in)) {
+				pr_err("fill_trace bad get_inode "
+				       "%llx.%llx\n", vino.ino, vino.snap);
+				err = PTR_ERR(in);
+				d_delete(dn);
+				goto done;
+			}
+			dn = splice_dentry(dn, in, &have_lease);
+			if (IS_ERR(dn)) {
+				err = PTR_ERR(dn);
+				goto done;
+			}
+			req->r_dentry = dn;  /* may have spliced */
+			ceph_set_dentry_offset(dn);
+			igrab(in);
+		} else if (ceph_ino(in) == vino.ino &&
+			   ceph_snap(in) == vino.snap) {
+			igrab(in);
+		} else {
+			dout(" %p links to %p %llx.%llx, not %llx.%llx\n",
+			     dn, in, ceph_ino(in), ceph_snap(in),
+			     vino.ino, vino.snap);
+			have_lease = false;
+			in = NULL;
+		}
+
+		if (have_lease)
+			update_dentry_lease(dn, rinfo->dlease, session,
+					    req->r_request_started);
+		dout(" final dn %p\n", dn);
+		i++;
+	} else if (req->r_op == CEPH_MDS_OP_LOOKUPSNAP ||
+		   req->r_op == CEPH_MDS_OP_MKSNAP) {
+		struct dentry *dn = req->r_dentry;
+
+		/* fill out a snapdir LOOKUPSNAP dentry */
+		BUG_ON(!dn);
+		BUG_ON(!req->r_locked_dir);
+		BUG_ON(ceph_snap(req->r_locked_dir) != CEPH_SNAPDIR);
+		ininfo = rinfo->targeti.in;
+		vino.ino = le64_to_cpu(ininfo->ino);
+		vino.snap = le64_to_cpu(ininfo->snapid);
+		in = ceph_get_inode(sb, vino);
+		if (IS_ERR(in)) {
+			pr_err("fill_inode get_inode badness %llx.%llx\n",
+			       vino.ino, vino.snap);
+			err = PTR_ERR(in);
+			d_delete(dn);
+			goto done;
+		}
+		dout(" linking snapped dir %p to dn %p\n", in, dn);
+		dn = splice_dentry(dn, in, NULL);
+		if (IS_ERR(dn)) {
+			err = PTR_ERR(dn);
+			goto done;
+		}
+		ceph_set_dentry_offset(dn);
+		req->r_dentry = dn;  /* may have spliced */
+		igrab(in);
+		rinfo->head->is_dentry = 1;  /* fool notrace handlers */
+	}
+
+	if (rinfo->head->is_target) {
+		vino.ino = le64_to_cpu(rinfo->targeti.in->ino);
+		vino.snap = le64_to_cpu(rinfo->targeti.in->snapid);
+
+		if (in == NULL || ceph_ino(in) != vino.ino ||
+		    ceph_snap(in) != vino.snap) {
+			in = ceph_get_inode(sb, vino);
+			if (IS_ERR(in)) {
+				err = PTR_ERR(in);
+				goto done;
+			}
+		}
+		req->r_target_inode = in;
+
+		err = fill_inode(in,
+				 &rinfo->targeti, NULL,
+				 session, req->r_request_started,
+				 (le32_to_cpu(rinfo->head->result) == 0) ?
+				 req->r_fmode : -1,
+				 &req->r_caps_reservation);
+		if (err < 0) {
+			pr_err("fill_inode badness %p %llx.%llx\n",
+			       in, ceph_vinop(in));
+			goto done;
+		}
+	}
+
+done:
+	dout("fill_trace done err=%d\n", err);
+	return err;
+}
+
+/*
+ * Prepopulate our cache with readdir results, leases, etc.
+ */
+int ceph_readdir_prepopulate(struct ceph_mds_request *req,
+			     struct ceph_mds_session *session)
+{
+	struct dentry *parent = req->r_dentry;
+	struct ceph_mds_reply_info_parsed *rinfo = &req->r_reply_info;
+	struct qstr dname;
+	struct dentry *dn;
+	struct inode *in;
+	int err = 0, i;
+	struct inode *snapdir = NULL;
+	struct ceph_mds_request_head *rhead = req->r_request->front.iov_base;
+	u64 frag = le32_to_cpu(rhead->args.readdir.frag);
+	struct ceph_dentry_info *di;
+
+	if (le32_to_cpu(rinfo->head->op) == CEPH_MDS_OP_LSSNAP) {
+		snapdir = ceph_get_snapdir(parent->d_inode);
+		parent = d_find_alias(snapdir);
+		dout("readdir_prepopulate %d items under SNAPDIR dn %p\n",
+		     rinfo->dir_nr, parent);
+	} else {
+		dout("readdir_prepopulate %d items under dn %p\n",
+		     rinfo->dir_nr, parent);
+		if (rinfo->dir_dir)
+			ceph_fill_dirfrag(parent->d_inode, rinfo->dir_dir);
+	}
+
+	for (i = 0; i < rinfo->dir_nr; i++) {
+		struct ceph_vino vino;
+
+		dname.name = rinfo->dir_dname[i];
+		dname.len = rinfo->dir_dname_len[i];
+		dname.hash = full_name_hash(dname.name, dname.len);
+
+		vino.ino = le64_to_cpu(rinfo->dir_in[i].in->ino);
+		vino.snap = le64_to_cpu(rinfo->dir_in[i].in->snapid);
+
+retry_lookup:
+		dn = d_lookup(parent, &dname);
+		dout("d_lookup on parent=%p name=%.*s got %p\n",
+		     parent, dname.len, dname.name, dn);
+
+		if (!dn) {
+			dn = d_alloc(parent, &dname);
+			dout("d_alloc %p '%.*s' = %p\n", parent,
+			     dname.len, dname.name, dn);
+			if (dn == NULL) {
+				dout("d_alloc badness\n");
+				err = -ENOMEM;
+				goto out;
+			}
+			err = ceph_init_dentry(dn);
+			if (err < 0)
+				goto out;
+		} else if (dn->d_inode &&
+			   (ceph_ino(dn->d_inode) != vino.ino ||
+			    ceph_snap(dn->d_inode) != vino.snap)) {
+			dout(" dn %p points to wrong inode %p\n",
+			     dn, dn->d_inode);
+			d_delete(dn);
+			dput(dn);
+			goto retry_lookup;
+		} else {
+			/* reorder parent's d_subdirs */
+			spin_lock(&dcache_lock);
+			spin_lock(&dn->d_lock);
+			list_move(&dn->d_u.d_child, &parent->d_subdirs);
+			spin_unlock(&dn->d_lock);
+			spin_unlock(&dcache_lock);
+		}
+
+		di = dn->d_fsdata;
+		di->offset = ceph_make_fpos(frag, i + req->r_readdir_offset);
+
+		/* inode */
+		if (dn->d_inode) {
+			in = dn->d_inode;
+		} else {
+			in = ceph_get_inode(parent->d_sb, vino);
+			if (in == NULL) {
+				dout("new_inode badness\n");
+				d_delete(dn);
+				dput(dn);
+				err = -ENOMEM;
+				goto out;
+			}
+			dn = splice_dentry(dn, in, NULL);
+		}
+
+		if (fill_inode(in, &rinfo->dir_in[i], NULL, session,
+			       req->r_request_started, -1,
+			       &req->r_caps_reservation) < 0) {
+			pr_err("fill_inode badness on %p\n", in);
+			dput(dn);
+			continue;
+		}
+		update_dentry_lease(dn, rinfo->dir_dlease[i],
+				    req->r_session, req->r_request_started);
+		dput(dn);
+	}
+	req->r_did_prepopulate = true;
+
+out:
+	if (snapdir) {
+		iput(snapdir);
+		dput(parent);
+	}
+	dout("readdir_prepopulate done\n");
+	return err;
+}
+
+int ceph_inode_set_size(struct inode *inode, loff_t size)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int ret = 0;
+
+	spin_lock(&inode->i_lock);
+	dout("set_size %p %llu -> %llu\n", inode, inode->i_size, size);
+	inode->i_size = size;
+	inode->i_blocks = (size + (1 << 9) - 1) >> 9;
+
+	/* tell the MDS if we are approaching max_size */
+	if ((size << 1) >= ci->i_max_size &&
+	    (ci->i_reported_size << 1) < ci->i_max_size)
+		ret = 1;
+
+	spin_unlock(&inode->i_lock);
+	return ret;
+}
+
+/*
+ * Write back inode data in a worker thread.  (This can't be done
+ * in the message handler context.)
+ */
+void ceph_queue_writeback(struct inode *inode)
+{
+	if (queue_work(ceph_inode_to_client(inode)->wb_wq,
+		       &ceph_inode(inode)->i_wb_work)) {
+		dout("ceph_queue_writeback %p\n", inode);
+		igrab(inode);
+	} else {
+		dout("ceph_queue_writeback %p failed\n", inode);
+	}
+}
+
+static void ceph_writeback_work(struct work_struct *work)
+{
+	struct ceph_inode_info *ci = container_of(work, struct ceph_inode_info,
+						  i_wb_work);
+	struct inode *inode = &ci->vfs_inode;
+
+	dout("writeback %p\n", inode);
+	filemap_fdatawrite(&inode->i_data);
+	iput(inode);
+}
+
+/*
+ * queue an async invalidation
+ */
+void ceph_queue_invalidate(struct inode *inode)
+{
+	if (queue_work(ceph_inode_to_client(inode)->pg_inv_wq,
+		       &ceph_inode(inode)->i_pg_inv_work)) {
+		dout("ceph_queue_invalidate %p\n", inode);
+		igrab(inode);
+	} else {
+		dout("ceph_queue_invalidate %p failed\n", inode);
+	}
+}
+
+/*
+ * invalidate any pages that are not dirty or under writeback.  this
+ * includes pages that are clean and mapped.
+ */
+static void ceph_invalidate_nondirty_pages(struct address_space *mapping)
+{
+	struct pagevec pvec;
+	pgoff_t next = 0;
+	int i;
+
+	pagevec_init(&pvec, 0);
+	while (pagevec_lookup(&pvec, mapping, next, PAGEVEC_SIZE)) {
+		for (i = 0; i < pagevec_count(&pvec); i++) {
+			struct page *page = pvec.pages[i];
+			pgoff_t index;
+			int skip_page =
+				(PageDirty(page) || PageWriteback(page));
+
+			if (!skip_page)
+				skip_page = !trylock_page(page);
+
+			/*
+			 * We really shouldn't be looking at the ->index of an
+			 * unlocked page.  But we're not allowed to lock these
+			 * pages.  So we rely upon nobody altering the ->index
+			 * of this (pinned-by-us) page.
+			 */
+			index = page->index;
+			if (index > next)
+				next = index;
+			next++;
+
+			if (skip_page)
+				continue;
+
+			generic_error_remove_page(mapping, page);
+			unlock_page(page);
+		}
+		pagevec_release(&pvec);
+		cond_resched();
+	}
+}
+
+/*
+ * Invalidate inode pages in a worker thread.  (This can't be done
+ * in the message handler context.)
+ */
+static void ceph_invalidate_work(struct work_struct *work)
+{
+	struct ceph_inode_info *ci = container_of(work, struct ceph_inode_info,
+						  i_pg_inv_work);
+	struct inode *inode = &ci->vfs_inode;
+	u32 orig_gen;
+	int check = 0;
+
+	spin_lock(&inode->i_lock);
+	dout("invalidate_pages %p gen %d revoking %d\n", inode,
+	     ci->i_rdcache_gen, ci->i_rdcache_revoking);
+	if (ci->i_rdcache_gen == 0 ||
+	    ci->i_rdcache_revoking != ci->i_rdcache_gen) {
+		BUG_ON(ci->i_rdcache_revoking > ci->i_rdcache_gen);
+		/* nevermind! */
+		ci->i_rdcache_revoking = 0;
+		spin_unlock(&inode->i_lock);
+		goto out;
+	}
+	orig_gen = ci->i_rdcache_gen;
+	spin_unlock(&inode->i_lock);
+
+	ceph_invalidate_nondirty_pages(inode->i_mapping);
+
+	spin_lock(&inode->i_lock);
+	if (orig_gen == ci->i_rdcache_gen) {
+		dout("invalidate_pages %p gen %d successful\n", inode,
+		     ci->i_rdcache_gen);
+		ci->i_rdcache_gen = 0;
+		ci->i_rdcache_revoking = 0;
+		check = 1;
+	} else {
+		dout("invalidate_pages %p gen %d raced, gen now %d\n",
+		     inode, orig_gen, ci->i_rdcache_gen);
+	}
+	spin_unlock(&inode->i_lock);
+
+	if (check)
+		ceph_check_caps(ci, 0, NULL);
+out:
+	iput(inode);
+}
+
+
+/*
+ * called by trunc_wq; take i_mutex ourselves
+ *
+ * We also truncate in a separate thread as well.
+ */
+static void ceph_vmtruncate_work(struct work_struct *work)
+{
+	struct ceph_inode_info *ci = container_of(work, struct ceph_inode_info,
+						  i_vmtruncate_work);
+	struct inode *inode = &ci->vfs_inode;
+
+	dout("vmtruncate_work %p\n", inode);
+	mutex_lock(&inode->i_mutex);
+	__ceph_do_pending_vmtruncate(inode);
+	mutex_unlock(&inode->i_mutex);
+	iput(inode);
+}
+
+/*
+ * Queue an async vmtruncate.  If we fail to queue work, we will handle
+ * the truncation the next time we call __ceph_do_pending_vmtruncate.
+ */
+void ceph_queue_vmtruncate(struct inode *inode)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+
+	if (queue_work(ceph_client(inode->i_sb)->trunc_wq,
+		       &ci->i_vmtruncate_work)) {
+		dout("ceph_queue_vmtruncate %p\n", inode);
+		igrab(inode);
+	} else {
+		dout("ceph_queue_vmtruncate %p failed, pending=%d\n",
+		     inode, ci->i_truncate_pending);
+	}
+}
+
+/*
+ * called with i_mutex held.
+ *
+ * Make sure any pending truncation is applied before doing anything
+ * that may depend on it.
+ */
+void __ceph_do_pending_vmtruncate(struct inode *inode)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	u64 to;
+	int wrbuffer_refs, wake = 0;
+
+retry:
+	spin_lock(&inode->i_lock);
+	if (ci->i_truncate_pending == 0) {
+		dout("__do_pending_vmtruncate %p none pending\n", inode);
+		spin_unlock(&inode->i_lock);
+		return;
+	}
+
+	/*
+	 * make sure any dirty snapped pages are flushed before we
+	 * possibly truncate them.. so write AND block!
+	 */
+	if (ci->i_wrbuffer_ref_head < ci->i_wrbuffer_ref) {
+		dout("__do_pending_vmtruncate %p flushing snaps first\n",
+		     inode);
+		spin_unlock(&inode->i_lock);
+		filemap_write_and_wait_range(&inode->i_data, 0,
+					     inode->i_sb->s_maxbytes);
+		goto retry;
+	}
+
+	to = ci->i_truncate_size;
+	wrbuffer_refs = ci->i_wrbuffer_ref;
+	dout("__do_pending_vmtruncate %p (%d) to %lld\n", inode,
+	     ci->i_truncate_pending, to);
+	spin_unlock(&inode->i_lock);
+
+	truncate_inode_pages(inode->i_mapping, to);
+
+	spin_lock(&inode->i_lock);
+	ci->i_truncate_pending--;
+	if (ci->i_truncate_pending == 0)
+		wake = 1;
+	spin_unlock(&inode->i_lock);
+
+	if (wrbuffer_refs == 0)
+		ceph_check_caps(ci, CHECK_CAPS_AUTHONLY, NULL);
+	if (wake)
+		wake_up(&ci->i_cap_wq);
+}
+
+
+/*
+ * symlinks
+ */
+static void *ceph_sym_follow_link(struct dentry *dentry, struct nameidata *nd)
+{
+	struct ceph_inode_info *ci = ceph_inode(dentry->d_inode);
+	nd_set_link(nd, ci->i_symlink);
+	return NULL;
+}
+
+static const struct inode_operations ceph_symlink_iops = {
+	.readlink = generic_readlink,
+	.follow_link = ceph_sym_follow_link,
+};
+
+/*
+ * setattr
+ */
+int ceph_setattr(struct dentry *dentry, struct iattr *attr)
+{
+	struct inode *inode = dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct inode *parent_inode = dentry->d_parent->d_inode;
+	const unsigned int ia_valid = attr->ia_valid;
+	struct ceph_mds_request *req;
+	struct ceph_mds_client *mdsc = &ceph_client(dentry->d_sb)->mdsc;
+	int issued;
+	int release = 0, dirtied = 0;
+	int mask = 0;
+	int err = 0;
+
+	if (ceph_snap(inode) != CEPH_NOSNAP)
+		return -EROFS;
+
+	__ceph_do_pending_vmtruncate(inode);
+
+	err = inode_change_ok(inode, attr);
+	if (err != 0)
+		return err;
+
+	req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_SETATTR,
+				       USE_AUTH_MDS);
+	if (IS_ERR(req))
+		return PTR_ERR(req);
+
+	spin_lock(&inode->i_lock);
+	issued = __ceph_caps_issued(ci, NULL);
+	dout("setattr %p issued %s\n", inode, ceph_cap_string(issued));
+
+	if (ia_valid & ATTR_UID) {
+		dout("setattr %p uid %d -> %d\n", inode,
+		     inode->i_uid, attr->ia_uid);
+		if (issued & CEPH_CAP_AUTH_EXCL) {
+			inode->i_uid = attr->ia_uid;
+			dirtied |= CEPH_CAP_AUTH_EXCL;
+		} else if ((issued & CEPH_CAP_AUTH_SHARED) == 0 ||
+			   attr->ia_uid != inode->i_uid) {
+			req->r_args.setattr.uid = cpu_to_le32(attr->ia_uid);
+			mask |= CEPH_SETATTR_UID;
+			release |= CEPH_CAP_AUTH_SHARED;
+		}
+	}
+	if (ia_valid & ATTR_GID) {
+		dout("setattr %p gid %d -> %d\n", inode,
+		     inode->i_gid, attr->ia_gid);
+		if (issued & CEPH_CAP_AUTH_EXCL) {
+			inode->i_gid = attr->ia_gid;
+			dirtied |= CEPH_CAP_AUTH_EXCL;
+		} else if ((issued & CEPH_CAP_AUTH_SHARED) == 0 ||
+			   attr->ia_gid != inode->i_gid) {
+			req->r_args.setattr.gid = cpu_to_le32(attr->ia_gid);
+			mask |= CEPH_SETATTR_GID;
+			release |= CEPH_CAP_AUTH_SHARED;
+		}
+	}
+	if (ia_valid & ATTR_MODE) {
+		dout("setattr %p mode 0%o -> 0%o\n", inode, inode->i_mode,
+		     attr->ia_mode);
+		if (issued & CEPH_CAP_AUTH_EXCL) {
+			inode->i_mode = attr->ia_mode;
+			dirtied |= CEPH_CAP_AUTH_EXCL;
+		} else if ((issued & CEPH_CAP_AUTH_SHARED) == 0 ||
+			   attr->ia_mode != inode->i_mode) {
+			req->r_args.setattr.mode = cpu_to_le32(attr->ia_mode);
+			mask |= CEPH_SETATTR_MODE;
+			release |= CEPH_CAP_AUTH_SHARED;
+		}
+	}
+
+	if (ia_valid & ATTR_ATIME) {
+		dout("setattr %p atime %ld.%ld -> %ld.%ld\n", inode,
+		     inode->i_atime.tv_sec, inode->i_atime.tv_nsec,
+		     attr->ia_atime.tv_sec, attr->ia_atime.tv_nsec);
+		if (issued & CEPH_CAP_FILE_EXCL) {
+			ci->i_time_warp_seq++;
+			inode->i_atime = attr->ia_atime;
+			dirtied |= CEPH_CAP_FILE_EXCL;
+		} else if ((issued & CEPH_CAP_FILE_WR) &&
+			   timespec_compare(&inode->i_atime,
+					    &attr->ia_atime) < 0) {
+			inode->i_atime = attr->ia_atime;
+			dirtied |= CEPH_CAP_FILE_WR;
+		} else if ((issued & CEPH_CAP_FILE_SHARED) == 0 ||
+			   !timespec_equal(&inode->i_atime, &attr->ia_atime)) {
+			ceph_encode_timespec(&req->r_args.setattr.atime,
+					     &attr->ia_atime);
+			mask |= CEPH_SETATTR_ATIME;
+			release |= CEPH_CAP_FILE_CACHE | CEPH_CAP_FILE_RD |
+				CEPH_CAP_FILE_WR;
+		}
+	}
+	if (ia_valid & ATTR_MTIME) {
+		dout("setattr %p mtime %ld.%ld -> %ld.%ld\n", inode,
+		     inode->i_mtime.tv_sec, inode->i_mtime.tv_nsec,
+		     attr->ia_mtime.tv_sec, attr->ia_mtime.tv_nsec);
+		if (issued & CEPH_CAP_FILE_EXCL) {
+			ci->i_time_warp_seq++;
+			inode->i_mtime = attr->ia_mtime;
+			dirtied |= CEPH_CAP_FILE_EXCL;
+		} else if ((issued & CEPH_CAP_FILE_WR) &&
+			   timespec_compare(&inode->i_mtime,
+					    &attr->ia_mtime) < 0) {
+			inode->i_mtime = attr->ia_mtime;
+			dirtied |= CEPH_CAP_FILE_WR;
+		} else if ((issued & CEPH_CAP_FILE_SHARED) == 0 ||
+			   !timespec_equal(&inode->i_mtime, &attr->ia_mtime)) {
+			ceph_encode_timespec(&req->r_args.setattr.mtime,
+					     &attr->ia_mtime);
+			mask |= CEPH_SETATTR_MTIME;
+			release |= CEPH_CAP_FILE_SHARED | CEPH_CAP_FILE_RD |
+				CEPH_CAP_FILE_WR;
+		}
+	}
+	if (ia_valid & ATTR_SIZE) {
+		dout("setattr %p size %lld -> %lld\n", inode,
+		     inode->i_size, attr->ia_size);
+		if (attr->ia_size > inode->i_sb->s_maxbytes) {
+			err = -EINVAL;
+			goto out;
+		}
+		if ((issued & CEPH_CAP_FILE_EXCL) &&
+		    attr->ia_size > inode->i_size) {
+			inode->i_size = attr->ia_size;
+			inode->i_blocks =
+				(attr->ia_size + (1 << 9) - 1) >> 9;
+			inode->i_ctime = attr->ia_ctime;
+			ci->i_reported_size = attr->ia_size;
+			dirtied |= CEPH_CAP_FILE_EXCL;
+		} else if ((issued & CEPH_CAP_FILE_SHARED) == 0 ||
+			   attr->ia_size != inode->i_size) {
+			req->r_args.setattr.size = cpu_to_le64(attr->ia_size);
+			req->r_args.setattr.old_size =
+				cpu_to_le64(inode->i_size);
+			mask |= CEPH_SETATTR_SIZE;
+			release |= CEPH_CAP_FILE_SHARED | CEPH_CAP_FILE_RD |
+				CEPH_CAP_FILE_WR;
+		}
+	}
+
+	/* these do nothing */
+	if (ia_valid & ATTR_CTIME) {
+		bool only = (ia_valid & (ATTR_SIZE|ATTR_MTIME|ATTR_ATIME|
+					 ATTR_MODE|ATTR_UID|ATTR_GID)) == 0;
+		dout("setattr %p ctime %ld.%ld -> %ld.%ld (%s)\n", inode,
+		     inode->i_ctime.tv_sec, inode->i_ctime.tv_nsec,
+		     attr->ia_ctime.tv_sec, attr->ia_ctime.tv_nsec,
+		     only ? "ctime only" : "ignored");
+		inode->i_ctime = attr->ia_ctime;
+		if (only) {
+			/*
+			 * if kernel wants to dirty ctime but nothing else,
+			 * we need to choose a cap to dirty under, or do
+			 * a almost-no-op setattr
+			 */
+			if (issued & CEPH_CAP_AUTH_EXCL)
+				dirtied |= CEPH_CAP_AUTH_EXCL;
+			else if (issued & CEPH_CAP_FILE_EXCL)
+				dirtied |= CEPH_CAP_FILE_EXCL;
+			else if (issued & CEPH_CAP_XATTR_EXCL)
+				dirtied |= CEPH_CAP_XATTR_EXCL;
+			else
+				mask |= CEPH_SETATTR_CTIME;
+		}
+	}
+	if (ia_valid & ATTR_FILE)
+		dout("setattr %p ATTR_FILE ... hrm!\n", inode);
+
+	if (dirtied) {
+		__ceph_mark_dirty_caps(ci, dirtied);
+		inode->i_ctime = CURRENT_TIME;
+	}
+
+	release &= issued;
+	spin_unlock(&inode->i_lock);
+
+	if (mask) {
+		req->r_inode = igrab(inode);
+		req->r_inode_drop = release;
+		req->r_args.setattr.mask = cpu_to_le32(mask);
+		req->r_num_caps = 1;
+		err = ceph_mdsc_do_request(mdsc, parent_inode, req);
+	}
+	dout("setattr %p result=%d (%s locally, %d remote)\n", inode, err,
+	     ceph_cap_string(dirtied), mask);
+
+	ceph_mdsc_put_request(req);
+	__ceph_do_pending_vmtruncate(inode);
+	return err;
+out:
+	spin_unlock(&inode->i_lock);
+	ceph_mdsc_put_request(req);
+	return err;
+}
+
+/*
+ * Verify that we have a lease on the given mask.  If not,
+ * do a getattr against an mds.
+ */
+int ceph_do_getattr(struct inode *inode, int mask)
+{
+	struct ceph_client *client = ceph_sb_to_client(inode->i_sb);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct ceph_mds_request *req;
+	int err;
+
+	if (ceph_snap(inode) == CEPH_SNAPDIR) {
+		dout("do_getattr inode %p SNAPDIR\n", inode);
+		return 0;
+	}
+
+	dout("do_getattr inode %p mask %s\n", inode, ceph_cap_string(mask));
+	if (ceph_caps_issued_mask(ceph_inode(inode), mask, 1))
+		return 0;
+
+	req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_GETATTR, USE_ANY_MDS);
+	if (IS_ERR(req))
+		return PTR_ERR(req);
+	req->r_inode = igrab(inode);
+	req->r_num_caps = 1;
+	req->r_args.getattr.mask = cpu_to_le32(mask);
+	err = ceph_mdsc_do_request(mdsc, NULL, req);
+	ceph_mdsc_put_request(req);
+	dout("do_getattr result=%d\n", err);
+	return err;
+}
+
+
+/*
+ * Check inode permissions.  We verify we have a valid value for
+ * the AUTH cap, then call the generic handler.
+ */
+int ceph_permission(struct inode *inode, int mask)
+{
+	int err = ceph_do_getattr(inode, CEPH_CAP_AUTH_SHARED);
+
+	if (!err)
+		err = generic_permission(inode, mask, NULL);
+	return err;
+}
+
+/*
+ * Get all attributes.  Hopefully somedata we'll have a statlite()
+ * and can limit the fields we require to be accurate.
+ */
+int ceph_getattr(struct vfsmount *mnt, struct dentry *dentry,
+		 struct kstat *stat)
+{
+	struct inode *inode = dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int err;
+
+	err = ceph_do_getattr(inode, CEPH_STAT_CAP_INODE_ALL);
+	if (!err) {
+		generic_fillattr(inode, stat);
+		stat->ino = inode->i_ino;
+		if (ceph_snap(inode) != CEPH_NOSNAP)
+			stat->dev = ceph_snap(inode);
+		else
+			stat->dev = 0;
+		if (S_ISDIR(inode->i_mode)) {
+			stat->size = ci->i_rbytes;
+			stat->blocks = 0;
+			stat->blksize = 65536;
+		}
+	}
+	return err;
+}
diff --git a/fs/ceph/ioctl.c b/fs/ceph/ioctl.c
new file mode 100644
index 000000000000..8a5bcae62846
--- /dev/null
+++ b/fs/ceph/ioctl.c
@@ -0,0 +1,160 @@
+#include <linux/in.h>
+
+#include "ioctl.h"
+#include "super.h"
+#include "ceph_debug.h"
+
+
+/*
+ * ioctls
+ */
+
+/*
+ * get and set the file layout
+ */
+static long ceph_ioctl_get_layout(struct file *file, void __user *arg)
+{
+	struct ceph_inode_info *ci = ceph_inode(file->f_dentry->d_inode);
+	struct ceph_ioctl_layout l;
+	int err;
+
+	err = ceph_do_getattr(file->f_dentry->d_inode, CEPH_STAT_CAP_LAYOUT);
+	if (!err) {
+		l.stripe_unit = ceph_file_layout_su(ci->i_layout);
+		l.stripe_count = ceph_file_layout_stripe_count(ci->i_layout);
+		l.object_size = ceph_file_layout_object_size(ci->i_layout);
+		l.data_pool = le32_to_cpu(ci->i_layout.fl_pg_pool);
+		l.preferred_osd =
+			(s32)le32_to_cpu(ci->i_layout.fl_pg_preferred);
+		if (copy_to_user(arg, &l, sizeof(l)))
+			return -EFAULT;
+	}
+
+	return err;
+}
+
+static long ceph_ioctl_set_layout(struct file *file, void __user *arg)
+{
+	struct inode *inode = file->f_dentry->d_inode;
+	struct inode *parent_inode = file->f_dentry->d_parent->d_inode;
+	struct ceph_mds_client *mdsc = &ceph_sb_to_client(inode->i_sb)->mdsc;
+	struct ceph_mds_request *req;
+	struct ceph_ioctl_layout l;
+	int err, i;
+
+	/* copy and validate */
+	if (copy_from_user(&l, arg, sizeof(l)))
+		return -EFAULT;
+
+	if ((l.object_size & ~PAGE_MASK) ||
+	    (l.stripe_unit & ~PAGE_MASK) ||
+	    !l.stripe_unit ||
+	    (l.object_size &&
+	     (unsigned)l.object_size % (unsigned)l.stripe_unit))
+		return -EINVAL;
+
+	/* make sure it's a valid data pool */
+	if (l.data_pool > 0) {
+		mutex_lock(&mdsc->mutex);
+		err = -EINVAL;
+		for (i = 0; i < mdsc->mdsmap->m_num_data_pg_pools; i++)
+			if (mdsc->mdsmap->m_data_pg_pools[i] == l.data_pool) {
+				err = 0;
+				break;
+			}
+		mutex_unlock(&mdsc->mutex);
+		if (err)
+			return err;
+	}
+
+	req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_SETLAYOUT,
+				       USE_AUTH_MDS);
+	if (IS_ERR(req))
+		return PTR_ERR(req);
+	req->r_inode = igrab(inode);
+	req->r_inode_drop = CEPH_CAP_FILE_SHARED | CEPH_CAP_FILE_EXCL;
+
+	req->r_args.setlayout.layout.fl_stripe_unit =
+		cpu_to_le32(l.stripe_unit);
+	req->r_args.setlayout.layout.fl_stripe_count =
+		cpu_to_le32(l.stripe_count);
+	req->r_args.setlayout.layout.fl_object_size =
+		cpu_to_le32(l.object_size);
+	req->r_args.setlayout.layout.fl_pg_pool = cpu_to_le32(l.data_pool);
+	req->r_args.setlayout.layout.fl_pg_preferred =
+		cpu_to_le32(l.preferred_osd);
+
+	err = ceph_mdsc_do_request(mdsc, parent_inode, req);
+	ceph_mdsc_put_request(req);
+	return err;
+}
+
+/*
+ * Return object name, size/offset information, and location (OSD
+ * number, network address) for a given file offset.
+ */
+static long ceph_ioctl_get_dataloc(struct file *file, void __user *arg)
+{
+	struct ceph_ioctl_dataloc dl;
+	struct inode *inode = file->f_dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_osd_client *osdc = &ceph_client(inode->i_sb)->osdc;
+	u64 len = 1, olen;
+	u64 tmp;
+	struct ceph_object_layout ol;
+	struct ceph_pg pgid;
+
+	/* copy and validate */
+	if (copy_from_user(&dl, arg, sizeof(dl)))
+		return -EFAULT;
+
+	down_read(&osdc->map_sem);
+	ceph_calc_file_object_mapping(&ci->i_layout, dl.file_offset, &len,
+				      &dl.object_no, &dl.object_offset, &olen);
+	dl.file_offset -= dl.object_offset;
+	dl.object_size = ceph_file_layout_object_size(ci->i_layout);
+	dl.block_size = ceph_file_layout_su(ci->i_layout);
+
+	/* block_offset = object_offset % block_size */
+	tmp = dl.object_offset;
+	dl.block_offset = do_div(tmp, dl.block_size);
+
+	snprintf(dl.object_name, sizeof(dl.object_name), "%llx.%08llx",
+		 ceph_ino(inode), dl.object_no);
+	ceph_calc_object_layout(&ol, dl.object_name, &ci->i_layout,
+				osdc->osdmap);
+
+	pgid = ol.ol_pgid;
+	dl.osd = ceph_calc_pg_primary(osdc->osdmap, pgid);
+	if (dl.osd >= 0) {
+		struct ceph_entity_addr *a =
+			ceph_osd_addr(osdc->osdmap, dl.osd);
+		if (a)
+			memcpy(&dl.osd_addr, &a->in_addr, sizeof(dl.osd_addr));
+	} else {
+		memset(&dl.osd_addr, 0, sizeof(dl.osd_addr));
+	}
+	up_read(&osdc->map_sem);
+
+	/* send result back to user */
+	if (copy_to_user(arg, &dl, sizeof(dl)))
+		return -EFAULT;
+
+	return 0;
+}
+
+long ceph_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+	dout("ioctl file %p cmd %u arg %lu\n", file, cmd, arg);
+	switch (cmd) {
+	case CEPH_IOC_GET_LAYOUT:
+		return ceph_ioctl_get_layout(file, (void __user *)arg);
+
+	case CEPH_IOC_SET_LAYOUT:
+		return ceph_ioctl_set_layout(file, (void __user *)arg);
+
+	case CEPH_IOC_GET_DATALOC:
+		return ceph_ioctl_get_dataloc(file, (void __user *)arg);
+	}
+	return -ENOTTY;
+}
diff --git a/fs/ceph/ioctl.h b/fs/ceph/ioctl.h
new file mode 100644
index 000000000000..25e4f1a9d059
--- /dev/null
+++ b/fs/ceph/ioctl.h
@@ -0,0 +1,40 @@
+#ifndef FS_CEPH_IOCTL_H
+#define FS_CEPH_IOCTL_H
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+#define CEPH_IOCTL_MAGIC 0x97
+
+/* just use u64 to align sanely on all archs */
+struct ceph_ioctl_layout {
+	__u64 stripe_unit, stripe_count, object_size;
+	__u64 data_pool;
+	__s64 preferred_osd;
+};
+
+#define CEPH_IOC_GET_LAYOUT _IOR(CEPH_IOCTL_MAGIC, 1,		\
+				   struct ceph_ioctl_layout)
+#define CEPH_IOC_SET_LAYOUT _IOW(CEPH_IOCTL_MAGIC, 2,		\
+				   struct ceph_ioctl_layout)
+
+/*
+ * Extract identity, address of the OSD and object storing a given
+ * file offset.
+ */
+struct ceph_ioctl_dataloc {
+	__u64 file_offset;           /* in+out: file offset */
+	__u64 object_offset;         /* out: offset in object */
+	__u64 object_no;             /* out: object # */
+	__u64 object_size;           /* out: object size */
+	char object_name[64];        /* out: object name */
+	__u64 block_offset;          /* out: offset in block */
+	__u64 block_size;            /* out: block length */
+	__s64 osd;                   /* out: osd # */
+	struct sockaddr_storage osd_addr; /* out: osd address */
+};
+
+#define CEPH_IOC_GET_DATALOC _IOWR(CEPH_IOCTL_MAGIC, 3,	\
+				   struct ceph_ioctl_dataloc)
+
+#endif
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
new file mode 100644
index 000000000000..5c7920be6420
--- /dev/null
+++ b/fs/ceph/mds_client.c
@@ -0,0 +1,3042 @@
+#include "ceph_debug.h"
+
+#include <linux/wait.h>
+#include <linux/sched.h>
+
+#include "mds_client.h"
+#include "mon_client.h"
+#include "super.h"
+#include "messenger.h"
+#include "decode.h"
+#include "auth.h"
+#include "pagelist.h"
+
+/*
+ * A cluster of MDS (metadata server) daemons is responsible for
+ * managing the file system namespace (the directory hierarchy and
+ * inodes) and for coordinating shared access to storage.  Metadata is
+ * partitioning hierarchically across a number of servers, and that
+ * partition varies over time as the cluster adjusts the distribution
+ * in order to balance load.
+ *
+ * The MDS client is primarily responsible to managing synchronous
+ * metadata requests for operations like open, unlink, and so forth.
+ * If there is a MDS failure, we find out about it when we (possibly
+ * request and) receive a new MDS map, and can resubmit affected
+ * requests.
+ *
+ * For the most part, though, we take advantage of a lossless
+ * communications channel to the MDS, and do not need to worry about
+ * timing out or resubmitting requests.
+ *
+ * We maintain a stateful "session" with each MDS we interact with.
+ * Within each session, we sent periodic heartbeat messages to ensure
+ * any capabilities or leases we have been issues remain valid.  If
+ * the session times out and goes stale, our leases and capabilities
+ * are no longer valid.
+ */
+
+static void __wake_requests(struct ceph_mds_client *mdsc,
+			    struct list_head *head);
+
+const static struct ceph_connection_operations mds_con_ops;
+
+
+/*
+ * mds reply parsing
+ */
+
+/*
+ * parse individual inode info
+ */
+static int parse_reply_info_in(void **p, void *end,
+			       struct ceph_mds_reply_info_in *info)
+{
+	int err = -EIO;
+
+	info->in = *p;
+	*p += sizeof(struct ceph_mds_reply_inode) +
+		sizeof(*info->in->fragtree.splits) *
+		le32_to_cpu(info->in->fragtree.nsplits);
+
+	ceph_decode_32_safe(p, end, info->symlink_len, bad);
+	ceph_decode_need(p, end, info->symlink_len, bad);
+	info->symlink = *p;
+	*p += info->symlink_len;
+
+	ceph_decode_32_safe(p, end, info->xattr_len, bad);
+	ceph_decode_need(p, end, info->xattr_len, bad);
+	info->xattr_data = *p;
+	*p += info->xattr_len;
+	return 0;
+bad:
+	return err;
+}
+
+/*
+ * parse a normal reply, which may contain a (dir+)dentry and/or a
+ * target inode.
+ */
+static int parse_reply_info_trace(void **p, void *end,
+				  struct ceph_mds_reply_info_parsed *info)
+{
+	int err;
+
+	if (info->head->is_dentry) {
+		err = parse_reply_info_in(p, end, &info->diri);
+		if (err < 0)
+			goto out_bad;
+
+		if (unlikely(*p + sizeof(*info->dirfrag) > end))
+			goto bad;
+		info->dirfrag = *p;
+		*p += sizeof(*info->dirfrag) +
+			sizeof(u32)*le32_to_cpu(info->dirfrag->ndist);
+		if (unlikely(*p > end))
+			goto bad;
+
+		ceph_decode_32_safe(p, end, info->dname_len, bad);
+		ceph_decode_need(p, end, info->dname_len, bad);
+		info->dname = *p;
+		*p += info->dname_len;
+		info->dlease = *p;
+		*p += sizeof(*info->dlease);
+	}
+
+	if (info->head->is_target) {
+		err = parse_reply_info_in(p, end, &info->targeti);
+		if (err < 0)
+			goto out_bad;
+	}
+
+	if (unlikely(*p != end))
+		goto bad;
+	return 0;
+
+bad:
+	err = -EIO;
+out_bad:
+	pr_err("problem parsing mds trace %d\n", err);
+	return err;
+}
+
+/*
+ * parse readdir results
+ */
+static int parse_reply_info_dir(void **p, void *end,
+				struct ceph_mds_reply_info_parsed *info)
+{
+	u32 num, i = 0;
+	int err;
+
+	info->dir_dir = *p;
+	if (*p + sizeof(*info->dir_dir) > end)
+		goto bad;
+	*p += sizeof(*info->dir_dir) +
+		sizeof(u32)*le32_to_cpu(info->dir_dir->ndist);
+	if (*p > end)
+		goto bad;
+
+	ceph_decode_need(p, end, sizeof(num) + 2, bad);
+	num = ceph_decode_32(p);
+	info->dir_end = ceph_decode_8(p);
+	info->dir_complete = ceph_decode_8(p);
+	if (num == 0)
+		goto done;
+
+	/* alloc large array */
+	info->dir_nr = num;
+	info->dir_in = kcalloc(num, sizeof(*info->dir_in) +
+			       sizeof(*info->dir_dname) +
+			       sizeof(*info->dir_dname_len) +
+			       sizeof(*info->dir_dlease),
+			       GFP_NOFS);
+	if (info->dir_in == NULL) {
+		err = -ENOMEM;
+		goto out_bad;
+	}
+	info->dir_dname = (void *)(info->dir_in + num);
+	info->dir_dname_len = (void *)(info->dir_dname + num);
+	info->dir_dlease = (void *)(info->dir_dname_len + num);
+
+	while (num) {
+		/* dentry */
+		ceph_decode_need(p, end, sizeof(u32)*2, bad);
+		info->dir_dname_len[i] = ceph_decode_32(p);
+		ceph_decode_need(p, end, info->dir_dname_len[i], bad);
+		info->dir_dname[i] = *p;
+		*p += info->dir_dname_len[i];
+		dout("parsed dir dname '%.*s'\n", info->dir_dname_len[i],
+		     info->dir_dname[i]);
+		info->dir_dlease[i] = *p;
+		*p += sizeof(struct ceph_mds_reply_lease);
+
+		/* inode */
+		err = parse_reply_info_in(p, end, &info->dir_in[i]);
+		if (err < 0)
+			goto out_bad;
+		i++;
+		num--;
+	}
+
+done:
+	if (*p != end)
+		goto bad;
+	return 0;
+
+bad:
+	err = -EIO;
+out_bad:
+	pr_err("problem parsing dir contents %d\n", err);
+	return err;
+}
+
+/*
+ * parse entire mds reply
+ */
+static int parse_reply_info(struct ceph_msg *msg,
+			    struct ceph_mds_reply_info_parsed *info)
+{
+	void *p, *end;
+	u32 len;
+	int err;
+
+	info->head = msg->front.iov_base;
+	p = msg->front.iov_base + sizeof(struct ceph_mds_reply_head);
+	end = p + msg->front.iov_len - sizeof(struct ceph_mds_reply_head);
+
+	/* trace */
+	ceph_decode_32_safe(&p, end, len, bad);
+	if (len > 0) {
+		err = parse_reply_info_trace(&p, p+len, info);
+		if (err < 0)
+			goto out_bad;
+	}
+
+	/* dir content */
+	ceph_decode_32_safe(&p, end, len, bad);
+	if (len > 0) {
+		err = parse_reply_info_dir(&p, p+len, info);
+		if (err < 0)
+			goto out_bad;
+	}
+
+	/* snap blob */
+	ceph_decode_32_safe(&p, end, len, bad);
+	info->snapblob_len = len;
+	info->snapblob = p;
+	p += len;
+
+	if (p != end)
+		goto bad;
+	return 0;
+
+bad:
+	err = -EIO;
+out_bad:
+	pr_err("mds parse_reply err %d\n", err);
+	return err;
+}
+
+static void destroy_reply_info(struct ceph_mds_reply_info_parsed *info)
+{
+	kfree(info->dir_in);
+}
+
+
+/*
+ * sessions
+ */
+static const char *session_state_name(int s)
+{
+	switch (s) {
+	case CEPH_MDS_SESSION_NEW: return "new";
+	case CEPH_MDS_SESSION_OPENING: return "opening";
+	case CEPH_MDS_SESSION_OPEN: return "open";
+	case CEPH_MDS_SESSION_HUNG: return "hung";
+	case CEPH_MDS_SESSION_CLOSING: return "closing";
+	case CEPH_MDS_SESSION_RESTARTING: return "restarting";
+	case CEPH_MDS_SESSION_RECONNECTING: return "reconnecting";
+	default: return "???";
+	}
+}
+
+static struct ceph_mds_session *get_session(struct ceph_mds_session *s)
+{
+	if (atomic_inc_not_zero(&s->s_ref)) {
+		dout("mdsc get_session %p %d -> %d\n", s,
+		     atomic_read(&s->s_ref)-1, atomic_read(&s->s_ref));
+		return s;
+	} else {
+		dout("mdsc get_session %p 0 -- FAIL", s);
+		return NULL;
+	}
+}
+
+void ceph_put_mds_session(struct ceph_mds_session *s)
+{
+	dout("mdsc put_session %p %d -> %d\n", s,
+	     atomic_read(&s->s_ref), atomic_read(&s->s_ref)-1);
+	if (atomic_dec_and_test(&s->s_ref)) {
+		if (s->s_authorizer)
+			s->s_mdsc->client->monc.auth->ops->destroy_authorizer(
+				s->s_mdsc->client->monc.auth, s->s_authorizer);
+		kfree(s);
+	}
+}
+
+/*
+ * called under mdsc->mutex
+ */
+struct ceph_mds_session *__ceph_lookup_mds_session(struct ceph_mds_client *mdsc,
+						   int mds)
+{
+	struct ceph_mds_session *session;
+
+	if (mds >= mdsc->max_sessions || mdsc->sessions[mds] == NULL)
+		return NULL;
+	session = mdsc->sessions[mds];
+	dout("lookup_mds_session %p %d\n", session,
+	     atomic_read(&session->s_ref));
+	get_session(session);
+	return session;
+}
+
+static bool __have_session(struct ceph_mds_client *mdsc, int mds)
+{
+	if (mds >= mdsc->max_sessions)
+		return false;
+	return mdsc->sessions[mds];
+}
+
+static int __verify_registered_session(struct ceph_mds_client *mdsc,
+				       struct ceph_mds_session *s)
+{
+	if (s->s_mds >= mdsc->max_sessions ||
+	    mdsc->sessions[s->s_mds] != s)
+		return -ENOENT;
+	return 0;
+}
+
+/*
+ * create+register a new session for given mds.
+ * called under mdsc->mutex.
+ */
+static struct ceph_mds_session *register_session(struct ceph_mds_client *mdsc,
+						 int mds)
+{
+	struct ceph_mds_session *s;
+
+	s = kzalloc(sizeof(*s), GFP_NOFS);
+	if (!s)
+		return ERR_PTR(-ENOMEM);
+	s->s_mdsc = mdsc;
+	s->s_mds = mds;
+	s->s_state = CEPH_MDS_SESSION_NEW;
+	s->s_ttl = 0;
+	s->s_seq = 0;
+	mutex_init(&s->s_mutex);
+
+	ceph_con_init(mdsc->client->msgr, &s->s_con);
+	s->s_con.private = s;
+	s->s_con.ops = &mds_con_ops;
+	s->s_con.peer_name.type = CEPH_ENTITY_TYPE_MDS;
+	s->s_con.peer_name.num = cpu_to_le64(mds);
+
+	spin_lock_init(&s->s_cap_lock);
+	s->s_cap_gen = 0;
+	s->s_cap_ttl = 0;
+	s->s_renew_requested = 0;
+	s->s_renew_seq = 0;
+	INIT_LIST_HEAD(&s->s_caps);
+	s->s_nr_caps = 0;
+	s->s_trim_caps = 0;
+	atomic_set(&s->s_ref, 1);
+	INIT_LIST_HEAD(&s->s_waiting);
+	INIT_LIST_HEAD(&s->s_unsafe);
+	s->s_num_cap_releases = 0;
+	s->s_cap_iterator = NULL;
+	INIT_LIST_HEAD(&s->s_cap_releases);
+	INIT_LIST_HEAD(&s->s_cap_releases_done);
+	INIT_LIST_HEAD(&s->s_cap_flushing);
+	INIT_LIST_HEAD(&s->s_cap_snaps_flushing);
+
+	dout("register_session mds%d\n", mds);
+	if (mds >= mdsc->max_sessions) {
+		int newmax = 1 << get_count_order(mds+1);
+		struct ceph_mds_session **sa;
+
+		dout("register_session realloc to %d\n", newmax);
+		sa = kcalloc(newmax, sizeof(void *), GFP_NOFS);
+		if (sa == NULL)
+			goto fail_realloc;
+		if (mdsc->sessions) {
+			memcpy(sa, mdsc->sessions,
+			       mdsc->max_sessions * sizeof(void *));
+			kfree(mdsc->sessions);
+		}
+		mdsc->sessions = sa;
+		mdsc->max_sessions = newmax;
+	}
+	mdsc->sessions[mds] = s;
+	atomic_inc(&s->s_ref);  /* one ref to sessions[], one to caller */
+
+	ceph_con_open(&s->s_con, ceph_mdsmap_get_addr(mdsc->mdsmap, mds));
+
+	return s;
+
+fail_realloc:
+	kfree(s);
+	return ERR_PTR(-ENOMEM);
+}
+
+/*
+ * called under mdsc->mutex
+ */
+static void __unregister_session(struct ceph_mds_client *mdsc,
+			       struct ceph_mds_session *s)
+{
+	dout("__unregister_session mds%d %p\n", s->s_mds, s);
+	BUG_ON(mdsc->sessions[s->s_mds] != s);
+	mdsc->sessions[s->s_mds] = NULL;
+	ceph_con_close(&s->s_con);
+	ceph_put_mds_session(s);
+}
+
+/*
+ * drop session refs in request.
+ *
+ * should be last request ref, or hold mdsc->mutex
+ */
+static void put_request_session(struct ceph_mds_request *req)
+{
+	if (req->r_session) {
+		ceph_put_mds_session(req->r_session);
+		req->r_session = NULL;
+	}
+}
+
+void ceph_mdsc_release_request(struct kref *kref)
+{
+	struct ceph_mds_request *req = container_of(kref,
+						    struct ceph_mds_request,
+						    r_kref);
+	if (req->r_request)
+		ceph_msg_put(req->r_request);
+	if (req->r_reply) {
+		ceph_msg_put(req->r_reply);
+		destroy_reply_info(&req->r_reply_info);
+	}
+	if (req->r_inode) {
+		ceph_put_cap_refs(ceph_inode(req->r_inode),
+				  CEPH_CAP_PIN);
+		iput(req->r_inode);
+	}
+	if (req->r_locked_dir)
+		ceph_put_cap_refs(ceph_inode(req->r_locked_dir),
+				  CEPH_CAP_PIN);
+	if (req->r_target_inode)
+		iput(req->r_target_inode);
+	if (req->r_dentry)
+		dput(req->r_dentry);
+	if (req->r_old_dentry) {
+		ceph_put_cap_refs(
+			ceph_inode(req->r_old_dentry->d_parent->d_inode),
+			CEPH_CAP_PIN);
+		dput(req->r_old_dentry);
+	}
+	kfree(req->r_path1);
+	kfree(req->r_path2);
+	put_request_session(req);
+	ceph_unreserve_caps(&req->r_caps_reservation);
+	kfree(req);
+}
+
+/*
+ * lookup session, bump ref if found.
+ *
+ * called under mdsc->mutex.
+ */
+static struct ceph_mds_request *__lookup_request(struct ceph_mds_client *mdsc,
+					     u64 tid)
+{
+	struct ceph_mds_request *req;
+	struct rb_node *n = mdsc->request_tree.rb_node;
+
+	while (n) {
+		req = rb_entry(n, struct ceph_mds_request, r_node);
+		if (tid < req->r_tid)
+			n = n->rb_left;
+		else if (tid > req->r_tid)
+			n = n->rb_right;
+		else {
+			ceph_mdsc_get_request(req);
+			return req;
+		}
+	}
+	return NULL;
+}
+
+static void __insert_request(struct ceph_mds_client *mdsc,
+			     struct ceph_mds_request *new)
+{
+	struct rb_node **p = &mdsc->request_tree.rb_node;
+	struct rb_node *parent = NULL;
+	struct ceph_mds_request *req = NULL;
+
+	while (*p) {
+		parent = *p;
+		req = rb_entry(parent, struct ceph_mds_request, r_node);
+		if (new->r_tid < req->r_tid)
+			p = &(*p)->rb_left;
+		else if (new->r_tid > req->r_tid)
+			p = &(*p)->rb_right;
+		else
+			BUG();
+	}
+
+	rb_link_node(&new->r_node, parent, p);
+	rb_insert_color(&new->r_node, &mdsc->request_tree);
+}
+
+/*
+ * Register an in-flight request, and assign a tid.  Link to directory
+ * are modifying (if any).
+ *
+ * Called under mdsc->mutex.
+ */
+static void __register_request(struct ceph_mds_client *mdsc,
+			       struct ceph_mds_request *req,
+			       struct inode *dir)
+{
+	req->r_tid = ++mdsc->last_tid;
+	if (req->r_num_caps)
+		ceph_reserve_caps(&req->r_caps_reservation, req->r_num_caps);
+	dout("__register_request %p tid %lld\n", req, req->r_tid);
+	ceph_mdsc_get_request(req);
+	__insert_request(mdsc, req);
+
+	if (dir) {
+		struct ceph_inode_info *ci = ceph_inode(dir);
+
+		spin_lock(&ci->i_unsafe_lock);
+		req->r_unsafe_dir = dir;
+		list_add_tail(&req->r_unsafe_dir_item, &ci->i_unsafe_dirops);
+		spin_unlock(&ci->i_unsafe_lock);
+	}
+}
+
+static void __unregister_request(struct ceph_mds_client *mdsc,
+				 struct ceph_mds_request *req)
+{
+	dout("__unregister_request %p tid %lld\n", req, req->r_tid);
+	rb_erase(&req->r_node, &mdsc->request_tree);
+	RB_CLEAR_NODE(&req->r_node);
+
+	if (req->r_unsafe_dir) {
+		struct ceph_inode_info *ci = ceph_inode(req->r_unsafe_dir);
+
+		spin_lock(&ci->i_unsafe_lock);
+		list_del_init(&req->r_unsafe_dir_item);
+		spin_unlock(&ci->i_unsafe_lock);
+	}
+
+	ceph_mdsc_put_request(req);
+}
+
+/*
+ * Choose mds to send request to next.  If there is a hint set in the
+ * request (e.g., due to a prior forward hint from the mds), use that.
+ * Otherwise, consult frag tree and/or caps to identify the
+ * appropriate mds.  If all else fails, choose randomly.
+ *
+ * Called under mdsc->mutex.
+ */
+static int __choose_mds(struct ceph_mds_client *mdsc,
+			struct ceph_mds_request *req)
+{
+	struct inode *inode;
+	struct ceph_inode_info *ci;
+	struct ceph_cap *cap;
+	int mode = req->r_direct_mode;
+	int mds = -1;
+	u32 hash = req->r_direct_hash;
+	bool is_hash = req->r_direct_is_hash;
+
+	/*
+	 * is there a specific mds we should try?  ignore hint if we have
+	 * no session and the mds is not up (active or recovering).
+	 */
+	if (req->r_resend_mds >= 0 &&
+	    (__have_session(mdsc, req->r_resend_mds) ||
+	     ceph_mdsmap_get_state(mdsc->mdsmap, req->r_resend_mds) > 0)) {
+		dout("choose_mds using resend_mds mds%d\n",
+		     req->r_resend_mds);
+		return req->r_resend_mds;
+	}
+
+	if (mode == USE_RANDOM_MDS)
+		goto random;
+
+	inode = NULL;
+	if (req->r_inode) {
+		inode = req->r_inode;
+	} else if (req->r_dentry) {
+		if (req->r_dentry->d_inode) {
+			inode = req->r_dentry->d_inode;
+		} else {
+			inode = req->r_dentry->d_parent->d_inode;
+			hash = req->r_dentry->d_name.hash;
+			is_hash = true;
+		}
+	}
+	dout("__choose_mds %p is_hash=%d (%d) mode %d\n", inode, (int)is_hash,
+	     (int)hash, mode);
+	if (!inode)
+		goto random;
+	ci = ceph_inode(inode);
+
+	if (is_hash && S_ISDIR(inode->i_mode)) {
+		struct ceph_inode_frag frag;
+		int found;
+
+		ceph_choose_frag(ci, hash, &frag, &found);
+		if (found) {
+			if (mode == USE_ANY_MDS && frag.ndist > 0) {
+				u8 r;
+
+				/* choose a random replica */
+				get_random_bytes(&r, 1);
+				r %= frag.ndist;
+				mds = frag.dist[r];
+				dout("choose_mds %p %llx.%llx "
+				     "frag %u mds%d (%d/%d)\n",
+				     inode, ceph_vinop(inode),
+				     frag.frag, frag.mds,
+				     (int)r, frag.ndist);
+				return mds;
+			}
+
+			/* since this file/dir wasn't known to be
+			 * replicated, then we want to look for the
+			 * authoritative mds. */
+			mode = USE_AUTH_MDS;
+			if (frag.mds >= 0) {
+				/* choose auth mds */
+				mds = frag.mds;
+				dout("choose_mds %p %llx.%llx "
+				     "frag %u mds%d (auth)\n",
+				     inode, ceph_vinop(inode), frag.frag, mds);
+				return mds;
+			}
+		}
+	}
+
+	spin_lock(&inode->i_lock);
+	cap = NULL;
+	if (mode == USE_AUTH_MDS)
+		cap = ci->i_auth_cap;
+	if (!cap && !RB_EMPTY_ROOT(&ci->i_caps))
+		cap = rb_entry(rb_first(&ci->i_caps), struct ceph_cap, ci_node);
+	if (!cap) {
+		spin_unlock(&inode->i_lock);
+		goto random;
+	}
+	mds = cap->session->s_mds;
+	dout("choose_mds %p %llx.%llx mds%d (%scap %p)\n",
+	     inode, ceph_vinop(inode), mds,
+	     cap == ci->i_auth_cap ? "auth " : "", cap);
+	spin_unlock(&inode->i_lock);
+	return mds;
+
+random:
+	mds = ceph_mdsmap_get_random_mds(mdsc->mdsmap);
+	dout("choose_mds chose random mds%d\n", mds);
+	return mds;
+}
+
+
+/*
+ * session messages
+ */
+static struct ceph_msg *create_session_msg(u32 op, u64 seq)
+{
+	struct ceph_msg *msg;
+	struct ceph_mds_session_head *h;
+
+	msg = ceph_msg_new(CEPH_MSG_CLIENT_SESSION, sizeof(*h), 0, 0, NULL);
+	if (IS_ERR(msg)) {
+		pr_err("create_session_msg ENOMEM creating msg\n");
+		return ERR_PTR(PTR_ERR(msg));
+	}
+	h = msg->front.iov_base;
+	h->op = cpu_to_le32(op);
+	h->seq = cpu_to_le64(seq);
+	return msg;
+}
+
+/*
+ * send session open request.
+ *
+ * called under mdsc->mutex
+ */
+static int __open_session(struct ceph_mds_client *mdsc,
+			  struct ceph_mds_session *session)
+{
+	struct ceph_msg *msg;
+	int mstate;
+	int mds = session->s_mds;
+	int err = 0;
+
+	/* wait for mds to go active? */
+	mstate = ceph_mdsmap_get_state(mdsc->mdsmap, mds);
+	dout("open_session to mds%d (%s)\n", mds,
+	     ceph_mds_state_name(mstate));
+	session->s_state = CEPH_MDS_SESSION_OPENING;
+	session->s_renew_requested = jiffies;
+
+	/* send connect message */
+	msg = create_session_msg(CEPH_SESSION_REQUEST_OPEN, session->s_seq);
+	if (IS_ERR(msg)) {
+		err = PTR_ERR(msg);
+		goto out;
+	}
+	ceph_con_send(&session->s_con, msg);
+
+out:
+	return 0;
+}
+
+/*
+ * session caps
+ */
+
+/*
+ * Free preallocated cap messages assigned to this session
+ */
+static void cleanup_cap_releases(struct ceph_mds_session *session)
+{
+	struct ceph_msg *msg;
+
+	spin_lock(&session->s_cap_lock);
+	while (!list_empty(&session->s_cap_releases)) {
+		msg = list_first_entry(&session->s_cap_releases,
+				       struct ceph_msg, list_head);
+		list_del_init(&msg->list_head);
+		ceph_msg_put(msg);
+	}
+	while (!list_empty(&session->s_cap_releases_done)) {
+		msg = list_first_entry(&session->s_cap_releases_done,
+				       struct ceph_msg, list_head);
+		list_del_init(&msg->list_head);
+		ceph_msg_put(msg);
+	}
+	spin_unlock(&session->s_cap_lock);
+}
+
+/*
+ * Helper to safely iterate over all caps associated with a session.
+ *
+ * caller must hold session s_mutex
+ */
+static int iterate_session_caps(struct ceph_mds_session *session,
+				 int (*cb)(struct inode *, struct ceph_cap *,
+					    void *), void *arg)
+{
+	struct list_head *p;
+	struct ceph_cap *cap;
+	struct inode *inode, *last_inode = NULL;
+	struct ceph_cap *old_cap = NULL;
+	int ret;
+
+	dout("iterate_session_caps %p mds%d\n", session, session->s_mds);
+	spin_lock(&session->s_cap_lock);
+	p = session->s_caps.next;
+	while (p != &session->s_caps) {
+		cap = list_entry(p, struct ceph_cap, session_caps);
+		inode = igrab(&cap->ci->vfs_inode);
+		if (!inode) {
+			p = p->next;
+			continue;
+		}
+		session->s_cap_iterator = cap;
+		spin_unlock(&session->s_cap_lock);
+
+		if (last_inode) {
+			iput(last_inode);
+			last_inode = NULL;
+		}
+		if (old_cap) {
+			ceph_put_cap(old_cap);
+			old_cap = NULL;
+		}
+
+		ret = cb(inode, cap, arg);
+		last_inode = inode;
+
+		spin_lock(&session->s_cap_lock);
+		p = p->next;
+		if (cap->ci == NULL) {
+			dout("iterate_session_caps  finishing cap %p removal\n",
+			     cap);
+			BUG_ON(cap->session != session);
+			list_del_init(&cap->session_caps);
+			session->s_nr_caps--;
+			cap->session = NULL;
+			old_cap = cap;  /* put_cap it w/o locks held */
+		}
+		if (ret < 0)
+			goto out;
+	}
+	ret = 0;
+out:
+	session->s_cap_iterator = NULL;
+	spin_unlock(&session->s_cap_lock);
+
+	if (last_inode)
+		iput(last_inode);
+	if (old_cap)
+		ceph_put_cap(old_cap);
+
+	return ret;
+}
+
+static int remove_session_caps_cb(struct inode *inode, struct ceph_cap *cap,
+				   void *arg)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	dout("removing cap %p, ci is %p, inode is %p\n",
+	     cap, ci, &ci->vfs_inode);
+	ceph_remove_cap(cap);
+	return 0;
+}
+
+/*
+ * caller must hold session s_mutex
+ */
+static void remove_session_caps(struct ceph_mds_session *session)
+{
+	dout("remove_session_caps on %p\n", session);
+	iterate_session_caps(session, remove_session_caps_cb, NULL);
+	BUG_ON(session->s_nr_caps > 0);
+	cleanup_cap_releases(session);
+}
+
+/*
+ * wake up any threads waiting on this session's caps.  if the cap is
+ * old (didn't get renewed on the client reconnect), remove it now.
+ *
+ * caller must hold s_mutex.
+ */
+static int wake_up_session_cb(struct inode *inode, struct ceph_cap *cap,
+			      void *arg)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+
+	wake_up(&ci->i_cap_wq);
+	if (arg) {
+		spin_lock(&inode->i_lock);
+		ci->i_wanted_max_size = 0;
+		ci->i_requested_max_size = 0;
+		spin_unlock(&inode->i_lock);
+	}
+	return 0;
+}
+
+static void wake_up_session_caps(struct ceph_mds_session *session,
+				 int reconnect)
+{
+	dout("wake_up_session_caps %p mds%d\n", session, session->s_mds);
+	iterate_session_caps(session, wake_up_session_cb,
+			     (void *)(unsigned long)reconnect);
+}
+
+/*
+ * Send periodic message to MDS renewing all currently held caps.  The
+ * ack will reset the expiration for all caps from this session.
+ *
+ * caller holds s_mutex
+ */
+static int send_renew_caps(struct ceph_mds_client *mdsc,
+			   struct ceph_mds_session *session)
+{
+	struct ceph_msg *msg;
+	int state;
+
+	if (time_after_eq(jiffies, session->s_cap_ttl) &&
+	    time_after_eq(session->s_cap_ttl, session->s_renew_requested))
+		pr_info("mds%d caps stale\n", session->s_mds);
+	session->s_renew_requested = jiffies;
+
+	/* do not try to renew caps until a recovering mds has reconnected
+	 * with its clients. */
+	state = ceph_mdsmap_get_state(mdsc->mdsmap, session->s_mds);
+	if (state < CEPH_MDS_STATE_RECONNECT) {
+		dout("send_renew_caps ignoring mds%d (%s)\n",
+		     session->s_mds, ceph_mds_state_name(state));
+		return 0;
+	}
+
+	dout("send_renew_caps to mds%d (%s)\n", session->s_mds,
+		ceph_mds_state_name(state));
+	msg = create_session_msg(CEPH_SESSION_REQUEST_RENEWCAPS,
+				 ++session->s_renew_seq);
+	if (IS_ERR(msg))
+		return PTR_ERR(msg);
+	ceph_con_send(&session->s_con, msg);
+	return 0;
+}
+
+/*
+ * Note new cap ttl, and any transition from stale -> not stale (fresh?).
+ *
+ * Called under session->s_mutex
+ */
+static void renewed_caps(struct ceph_mds_client *mdsc,
+			 struct ceph_mds_session *session, int is_renew)
+{
+	int was_stale;
+	int wake = 0;
+
+	spin_lock(&session->s_cap_lock);
+	was_stale = is_renew && (session->s_cap_ttl == 0 ||
+				 time_after_eq(jiffies, session->s_cap_ttl));
+
+	session->s_cap_ttl = session->s_renew_requested +
+		mdsc->mdsmap->m_session_timeout*HZ;
+
+	if (was_stale) {
+		if (time_before(jiffies, session->s_cap_ttl)) {
+			pr_info("mds%d caps renewed\n", session->s_mds);
+			wake = 1;
+		} else {
+			pr_info("mds%d caps still stale\n", session->s_mds);
+		}
+	}
+	dout("renewed_caps mds%d ttl now %lu, was %s, now %s\n",
+	     session->s_mds, session->s_cap_ttl, was_stale ? "stale" : "fresh",
+	     time_before(jiffies, session->s_cap_ttl) ? "stale" : "fresh");
+	spin_unlock(&session->s_cap_lock);
+
+	if (wake)
+		wake_up_session_caps(session, 0);
+}
+
+/*
+ * send a session close request
+ */
+static int request_close_session(struct ceph_mds_client *mdsc,
+				 struct ceph_mds_session *session)
+{
+	struct ceph_msg *msg;
+	int err = 0;
+
+	dout("request_close_session mds%d state %s seq %lld\n",
+	     session->s_mds, session_state_name(session->s_state),
+	     session->s_seq);
+	msg = create_session_msg(CEPH_SESSION_REQUEST_CLOSE, session->s_seq);
+	if (IS_ERR(msg))
+		err = PTR_ERR(msg);
+	else
+		ceph_con_send(&session->s_con, msg);
+	return err;
+}
+
+/*
+ * Called with s_mutex held.
+ */
+static int __close_session(struct ceph_mds_client *mdsc,
+			 struct ceph_mds_session *session)
+{
+	if (session->s_state >= CEPH_MDS_SESSION_CLOSING)
+		return 0;
+	session->s_state = CEPH_MDS_SESSION_CLOSING;
+	return request_close_session(mdsc, session);
+}
+
+/*
+ * Trim old(er) caps.
+ *
+ * Because we can't cache an inode without one or more caps, we do
+ * this indirectly: if a cap is unused, we prune its aliases, at which
+ * point the inode will hopefully get dropped to.
+ *
+ * Yes, this is a bit sloppy.  Our only real goal here is to respond to
+ * memory pressure from the MDS, though, so it needn't be perfect.
+ */
+static int trim_caps_cb(struct inode *inode, struct ceph_cap *cap, void *arg)
+{
+	struct ceph_mds_session *session = arg;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int used, oissued, mine;
+
+	if (session->s_trim_caps <= 0)
+		return -1;
+
+	spin_lock(&inode->i_lock);
+	mine = cap->issued | cap->implemented;
+	used = __ceph_caps_used(ci);
+	oissued = __ceph_caps_issued_other(ci, cap);
+
+	dout("trim_caps_cb %p cap %p mine %s oissued %s used %s\n",
+	     inode, cap, ceph_cap_string(mine), ceph_cap_string(oissued),
+	     ceph_cap_string(used));
+	if (ci->i_dirty_caps)
+		goto out;   /* dirty caps */
+	if ((used & ~oissued) & mine)
+		goto out;   /* we need these caps */
+
+	session->s_trim_caps--;
+	if (oissued) {
+		/* we aren't the only cap.. just remove us */
+		__ceph_remove_cap(cap);
+	} else {
+		/* try to drop referring dentries */
+		spin_unlock(&inode->i_lock);
+		d_prune_aliases(inode);
+		dout("trim_caps_cb %p cap %p  pruned, count now %d\n",
+		     inode, cap, atomic_read(&inode->i_count));
+		return 0;
+	}
+
+out:
+	spin_unlock(&inode->i_lock);
+	return 0;
+}
+
+/*
+ * Trim session cap count down to some max number.
+ */
+static int trim_caps(struct ceph_mds_client *mdsc,
+		     struct ceph_mds_session *session,
+		     int max_caps)
+{
+	int trim_caps = session->s_nr_caps - max_caps;
+
+	dout("trim_caps mds%d start: %d / %d, trim %d\n",
+	     session->s_mds, session->s_nr_caps, max_caps, trim_caps);
+	if (trim_caps > 0) {
+		session->s_trim_caps = trim_caps;
+		iterate_session_caps(session, trim_caps_cb, session);
+		dout("trim_caps mds%d done: %d / %d, trimmed %d\n",
+		     session->s_mds, session->s_nr_caps, max_caps,
+			trim_caps - session->s_trim_caps);
+		session->s_trim_caps = 0;
+	}
+	return 0;
+}
+
+/*
+ * Allocate cap_release messages.  If there is a partially full message
+ * in the queue, try to allocate enough to cover it's remainder, so that
+ * we can send it immediately.
+ *
+ * Called under s_mutex.
+ */
+static int add_cap_releases(struct ceph_mds_client *mdsc,
+			    struct ceph_mds_session *session,
+			    int extra)
+{
+	struct ceph_msg *msg;
+	struct ceph_mds_cap_release *head;
+	int err = -ENOMEM;
+
+	if (extra < 0)
+		extra = mdsc->client->mount_args->cap_release_safety;
+
+	spin_lock(&session->s_cap_lock);
+
+	if (!list_empty(&session->s_cap_releases)) {
+		msg = list_first_entry(&session->s_cap_releases,
+				       struct ceph_msg,
+				 list_head);
+		head = msg->front.iov_base;
+		extra += CEPH_CAPS_PER_RELEASE - le32_to_cpu(head->num);
+	}
+
+	while (session->s_num_cap_releases < session->s_nr_caps + extra) {
+		spin_unlock(&session->s_cap_lock);
+		msg = ceph_msg_new(CEPH_MSG_CLIENT_CAPRELEASE, PAGE_CACHE_SIZE,
+				   0, 0, NULL);
+		if (!msg)
+			goto out_unlocked;
+		dout("add_cap_releases %p msg %p now %d\n", session, msg,
+		     (int)msg->front.iov_len);
+		head = msg->front.iov_base;
+		head->num = cpu_to_le32(0);
+		msg->front.iov_len = sizeof(*head);
+		spin_lock(&session->s_cap_lock);
+		list_add(&msg->list_head, &session->s_cap_releases);
+		session->s_num_cap_releases += CEPH_CAPS_PER_RELEASE;
+	}
+
+	if (!list_empty(&session->s_cap_releases)) {
+		msg = list_first_entry(&session->s_cap_releases,
+				       struct ceph_msg,
+				       list_head);
+		head = msg->front.iov_base;
+		if (head->num) {
+			dout(" queueing non-full %p (%d)\n", msg,
+			     le32_to_cpu(head->num));
+			list_move_tail(&msg->list_head,
+				      &session->s_cap_releases_done);
+			session->s_num_cap_releases -=
+				CEPH_CAPS_PER_RELEASE - le32_to_cpu(head->num);
+		}
+	}
+	err = 0;
+	spin_unlock(&session->s_cap_lock);
+out_unlocked:
+	return err;
+}
+
+/*
+ * flush all dirty inode data to disk.
+ *
+ * returns true if we've flushed through want_flush_seq
+ */
+static int check_cap_flush(struct ceph_mds_client *mdsc, u64 want_flush_seq)
+{
+	int mds, ret = 1;
+
+	dout("check_cap_flush want %lld\n", want_flush_seq);
+	mutex_lock(&mdsc->mutex);
+	for (mds = 0; ret && mds < mdsc->max_sessions; mds++) {
+		struct ceph_mds_session *session = mdsc->sessions[mds];
+
+		if (!session)
+			continue;
+		get_session(session);
+		mutex_unlock(&mdsc->mutex);
+
+		mutex_lock(&session->s_mutex);
+		if (!list_empty(&session->s_cap_flushing)) {
+			struct ceph_inode_info *ci =
+				list_entry(session->s_cap_flushing.next,
+					   struct ceph_inode_info,
+					   i_flushing_item);
+			struct inode *inode = &ci->vfs_inode;
+
+			spin_lock(&inode->i_lock);
+			if (ci->i_cap_flush_seq <= want_flush_seq) {
+				dout("check_cap_flush still flushing %p "
+				     "seq %lld <= %lld to mds%d\n", inode,
+				     ci->i_cap_flush_seq, want_flush_seq,
+				     session->s_mds);
+				ret = 0;
+			}
+			spin_unlock(&inode->i_lock);
+		}
+		mutex_unlock(&session->s_mutex);
+		ceph_put_mds_session(session);
+
+		if (!ret)
+			return ret;
+		mutex_lock(&mdsc->mutex);
+	}
+
+	mutex_unlock(&mdsc->mutex);
+	dout("check_cap_flush ok, flushed thru %lld\n", want_flush_seq);
+	return ret;
+}
+
+/*
+ * called under s_mutex
+ */
+static void send_cap_releases(struct ceph_mds_client *mdsc,
+		       struct ceph_mds_session *session)
+{
+	struct ceph_msg *msg;
+
+	dout("send_cap_releases mds%d\n", session->s_mds);
+	while (1) {
+		spin_lock(&session->s_cap_lock);
+		if (list_empty(&session->s_cap_releases_done))
+			break;
+		msg = list_first_entry(&session->s_cap_releases_done,
+				 struct ceph_msg, list_head);
+		list_del_init(&msg->list_head);
+		spin_unlock(&session->s_cap_lock);
+		msg->hdr.front_len = cpu_to_le32(msg->front.iov_len);
+		dout("send_cap_releases mds%d %p\n", session->s_mds, msg);
+		ceph_con_send(&session->s_con, msg);
+	}
+	spin_unlock(&session->s_cap_lock);
+}
+
+/*
+ * requests
+ */
+
+/*
+ * Create an mds request.
+ */
+struct ceph_mds_request *
+ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode)
+{
+	struct ceph_mds_request *req = kzalloc(sizeof(*req), GFP_NOFS);
+
+	if (!req)
+		return ERR_PTR(-ENOMEM);
+
+	req->r_started = jiffies;
+	req->r_resend_mds = -1;
+	INIT_LIST_HEAD(&req->r_unsafe_dir_item);
+	req->r_fmode = -1;
+	kref_init(&req->r_kref);
+	INIT_LIST_HEAD(&req->r_wait);
+	init_completion(&req->r_completion);
+	init_completion(&req->r_safe_completion);
+	INIT_LIST_HEAD(&req->r_unsafe_item);
+
+	req->r_op = op;
+	req->r_direct_mode = mode;
+	return req;
+}
+
+/*
+ * return oldest (lowest) request, tid in request tree, 0 if none.
+ *
+ * called under mdsc->mutex.
+ */
+static struct ceph_mds_request *__get_oldest_req(struct ceph_mds_client *mdsc)
+{
+	if (RB_EMPTY_ROOT(&mdsc->request_tree))
+		return NULL;
+	return rb_entry(rb_first(&mdsc->request_tree),
+			struct ceph_mds_request, r_node);
+}
+
+static u64 __get_oldest_tid(struct ceph_mds_client *mdsc)
+{
+	struct ceph_mds_request *req = __get_oldest_req(mdsc);
+
+	if (req)
+		return req->r_tid;
+	return 0;
+}
+
+/*
+ * Build a dentry's path.  Allocate on heap; caller must kfree.  Based
+ * on build_path_from_dentry in fs/cifs/dir.c.
+ *
+ * If @stop_on_nosnap, generate path relative to the first non-snapped
+ * inode.
+ *
+ * Encode hidden .snap dirs as a double /, i.e.
+ *   foo/.snap/bar -> foo//bar
+ */
+char *ceph_mdsc_build_path(struct dentry *dentry, int *plen, u64 *base,
+			   int stop_on_nosnap)
+{
+	struct dentry *temp;
+	char *path;
+	int len, pos;
+
+	if (dentry == NULL)
+		return ERR_PTR(-EINVAL);
+
+retry:
+	len = 0;
+	for (temp = dentry; !IS_ROOT(temp);) {
+		struct inode *inode = temp->d_inode;
+		if (inode && ceph_snap(inode) == CEPH_SNAPDIR)
+			len++;  /* slash only */
+		else if (stop_on_nosnap && inode &&
+			 ceph_snap(inode) == CEPH_NOSNAP)
+			break;
+		else
+			len += 1 + temp->d_name.len;
+		temp = temp->d_parent;
+		if (temp == NULL) {
+			pr_err("build_path_dentry corrupt dentry %p\n", dentry);
+			return ERR_PTR(-EINVAL);
+		}
+	}
+	if (len)
+		len--;  /* no leading '/' */
+
+	path = kmalloc(len+1, GFP_NOFS);
+	if (path == NULL)
+		return ERR_PTR(-ENOMEM);
+	pos = len;
+	path[pos] = 0;	/* trailing null */
+	for (temp = dentry; !IS_ROOT(temp) && pos != 0; ) {
+		struct inode *inode = temp->d_inode;
+
+		if (inode && ceph_snap(inode) == CEPH_SNAPDIR) {
+			dout("build_path_dentry path+%d: %p SNAPDIR\n",
+			     pos, temp);
+		} else if (stop_on_nosnap && inode &&
+			   ceph_snap(inode) == CEPH_NOSNAP) {
+			break;
+		} else {
+			pos -= temp->d_name.len;
+			if (pos < 0)
+				break;
+			strncpy(path + pos, temp->d_name.name,
+				temp->d_name.len);
+			dout("build_path_dentry path+%d: %p '%.*s'\n",
+			     pos, temp, temp->d_name.len, path + pos);
+		}
+		if (pos)
+			path[--pos] = '/';
+		temp = temp->d_parent;
+		if (temp == NULL) {
+			pr_err("build_path_dentry corrupt dentry\n");
+			kfree(path);
+			return ERR_PTR(-EINVAL);
+		}
+	}
+	if (pos != 0) {
+		pr_err("build_path_dentry did not end path lookup where "
+		       "expected, namelen is %d, pos is %d\n", len, pos);
+		/* presumably this is only possible if racing with a
+		   rename of one of the parent directories (we can not
+		   lock the dentries above us to prevent this, but
+		   retrying should be harmless) */
+		kfree(path);
+		goto retry;
+	}
+
+	*base = ceph_ino(temp->d_inode);
+	*plen = len;
+	dout("build_path_dentry on %p %d built %llx '%.*s'\n",
+	     dentry, atomic_read(&dentry->d_count), *base, len, path);
+	return path;
+}
+
+static int build_dentry_path(struct dentry *dentry,
+			     const char **ppath, int *ppathlen, u64 *pino,
+			     int *pfreepath)
+{
+	char *path;
+
+	if (ceph_snap(dentry->d_parent->d_inode) == CEPH_NOSNAP) {
+		*pino = ceph_ino(dentry->d_parent->d_inode);
+		*ppath = dentry->d_name.name;
+		*ppathlen = dentry->d_name.len;
+		return 0;
+	}
+	path = ceph_mdsc_build_path(dentry, ppathlen, pino, 1);
+	if (IS_ERR(path))
+		return PTR_ERR(path);
+	*ppath = path;
+	*pfreepath = 1;
+	return 0;
+}
+
+static int build_inode_path(struct inode *inode,
+			    const char **ppath, int *ppathlen, u64 *pino,
+			    int *pfreepath)
+{
+	struct dentry *dentry;
+	char *path;
+
+	if (ceph_snap(inode) == CEPH_NOSNAP) {
+		*pino = ceph_ino(inode);
+		*ppathlen = 0;
+		return 0;
+	}
+	dentry = d_find_alias(inode);
+	path = ceph_mdsc_build_path(dentry, ppathlen, pino, 1);
+	dput(dentry);
+	if (IS_ERR(path))
+		return PTR_ERR(path);
+	*ppath = path;
+	*pfreepath = 1;
+	return 0;
+}
+
+/*
+ * request arguments may be specified via an inode *, a dentry *, or
+ * an explicit ino+path.
+ */
+static int set_request_path_attr(struct inode *rinode, struct dentry *rdentry,
+				  const char *rpath, u64 rino,
+				  const char **ppath, int *pathlen,
+				  u64 *ino, int *freepath)
+{
+	int r = 0;
+
+	if (rinode) {
+		r = build_inode_path(rinode, ppath, pathlen, ino, freepath);
+		dout(" inode %p %llx.%llx\n", rinode, ceph_ino(rinode),
+		     ceph_snap(rinode));
+	} else if (rdentry) {
+		r = build_dentry_path(rdentry, ppath, pathlen, ino, freepath);
+		dout(" dentry %p %llx/%.*s\n", rdentry, *ino, *pathlen,
+		     *ppath);
+	} else if (rpath) {
+		*ino = rino;
+		*ppath = rpath;
+		*pathlen = strlen(rpath);
+		dout(" path %.*s\n", *pathlen, rpath);
+	}
+
+	return r;
+}
+
+/*
+ * called under mdsc->mutex
+ */
+static struct ceph_msg *create_request_message(struct ceph_mds_client *mdsc,
+					       struct ceph_mds_request *req,
+					       int mds)
+{
+	struct ceph_msg *msg;
+	struct ceph_mds_request_head *head;
+	const char *path1 = NULL;
+	const char *path2 = NULL;
+	u64 ino1 = 0, ino2 = 0;
+	int pathlen1 = 0, pathlen2 = 0;
+	int freepath1 = 0, freepath2 = 0;
+	int len;
+	u16 releases;
+	void *p, *end;
+	int ret;
+
+	ret = set_request_path_attr(req->r_inode, req->r_dentry,
+			      req->r_path1, req->r_ino1.ino,
+			      &path1, &pathlen1, &ino1, &freepath1);
+	if (ret < 0) {
+		msg = ERR_PTR(ret);
+		goto out;
+	}
+
+	ret = set_request_path_attr(NULL, req->r_old_dentry,
+			      req->r_path2, req->r_ino2.ino,
+			      &path2, &pathlen2, &ino2, &freepath2);
+	if (ret < 0) {
+		msg = ERR_PTR(ret);
+		goto out_free1;
+	}
+
+	len = sizeof(*head) +
+		pathlen1 + pathlen2 + 2*(1 + sizeof(u32) + sizeof(u64));
+
+	/* calculate (max) length for cap releases */
+	len += sizeof(struct ceph_mds_request_release) *
+		(!!req->r_inode_drop + !!req->r_dentry_drop +
+		 !!req->r_old_inode_drop + !!req->r_old_dentry_drop);
+	if (req->r_dentry_drop)
+		len += req->r_dentry->d_name.len;
+	if (req->r_old_dentry_drop)
+		len += req->r_old_dentry->d_name.len;
+
+	msg = ceph_msg_new(CEPH_MSG_CLIENT_REQUEST, len, 0, 0, NULL);
+	if (IS_ERR(msg))
+		goto out_free2;
+
+	msg->hdr.tid = cpu_to_le64(req->r_tid);
+
+	head = msg->front.iov_base;
+	p = msg->front.iov_base + sizeof(*head);
+	end = msg->front.iov_base + msg->front.iov_len;
+
+	head->mdsmap_epoch = cpu_to_le32(mdsc->mdsmap->m_epoch);
+	head->op = cpu_to_le32(req->r_op);
+	head->caller_uid = cpu_to_le32(current_fsuid());
+	head->caller_gid = cpu_to_le32(current_fsgid());
+	head->args = req->r_args;
+
+	ceph_encode_filepath(&p, end, ino1, path1);
+	ceph_encode_filepath(&p, end, ino2, path2);
+
+	/* cap releases */
+	releases = 0;
+	if (req->r_inode_drop)
+		releases += ceph_encode_inode_release(&p,
+		      req->r_inode ? req->r_inode : req->r_dentry->d_inode,
+		      mds, req->r_inode_drop, req->r_inode_unless, 0);
+	if (req->r_dentry_drop)
+		releases += ceph_encode_dentry_release(&p, req->r_dentry,
+		       mds, req->r_dentry_drop, req->r_dentry_unless);
+	if (req->r_old_dentry_drop)
+		releases += ceph_encode_dentry_release(&p, req->r_old_dentry,
+		       mds, req->r_old_dentry_drop, req->r_old_dentry_unless);
+	if (req->r_old_inode_drop)
+		releases += ceph_encode_inode_release(&p,
+		      req->r_old_dentry->d_inode,
+		      mds, req->r_old_inode_drop, req->r_old_inode_unless, 0);
+	head->num_releases = cpu_to_le16(releases);
+
+	BUG_ON(p > end);
+	msg->front.iov_len = p - msg->front.iov_base;
+	msg->hdr.front_len = cpu_to_le32(msg->front.iov_len);
+
+	msg->pages = req->r_pages;
+	msg->nr_pages = req->r_num_pages;
+	msg->hdr.data_len = cpu_to_le32(req->r_data_len);
+	msg->hdr.data_off = cpu_to_le16(0);
+
+out_free2:
+	if (freepath2)
+		kfree((char *)path2);
+out_free1:
+	if (freepath1)
+		kfree((char *)path1);
+out:
+	return msg;
+}
+
+/*
+ * called under mdsc->mutex if error, under no mutex if
+ * success.
+ */
+static void complete_request(struct ceph_mds_client *mdsc,
+			     struct ceph_mds_request *req)
+{
+	if (req->r_callback)
+		req->r_callback(mdsc, req);
+	else
+		complete(&req->r_completion);
+}
+
+/*
+ * called under mdsc->mutex
+ */
+static int __prepare_send_request(struct ceph_mds_client *mdsc,
+				  struct ceph_mds_request *req,
+				  int mds)
+{
+	struct ceph_mds_request_head *rhead;
+	struct ceph_msg *msg;
+	int flags = 0;
+
+	req->r_mds = mds;
+	req->r_attempts++;
+	dout("prepare_send_request %p tid %lld %s (attempt %d)\n", req,
+	     req->r_tid, ceph_mds_op_name(req->r_op), req->r_attempts);
+
+	if (req->r_request) {
+		ceph_msg_put(req->r_request);
+		req->r_request = NULL;
+	}
+	msg = create_request_message(mdsc, req, mds);
+	if (IS_ERR(msg)) {
+		req->r_reply = ERR_PTR(PTR_ERR(msg));
+		complete_request(mdsc, req);
+		return -PTR_ERR(msg);
+	}
+	req->r_request = msg;
+
+	rhead = msg->front.iov_base;
+	rhead->oldest_client_tid = cpu_to_le64(__get_oldest_tid(mdsc));
+	if (req->r_got_unsafe)
+		flags |= CEPH_MDS_FLAG_REPLAY;
+	if (req->r_locked_dir)
+		flags |= CEPH_MDS_FLAG_WANT_DENTRY;
+	rhead->flags = cpu_to_le32(flags);
+	rhead->num_fwd = req->r_num_fwd;
+	rhead->num_retry = req->r_attempts - 1;
+
+	dout(" r_locked_dir = %p\n", req->r_locked_dir);
+
+	if (req->r_target_inode && req->r_got_unsafe)
+		rhead->ino = cpu_to_le64(ceph_ino(req->r_target_inode));
+	else
+		rhead->ino = 0;
+	return 0;
+}
+
+/*
+ * send request, or put it on the appropriate wait list.
+ */
+static int __do_request(struct ceph_mds_client *mdsc,
+			struct ceph_mds_request *req)
+{
+	struct ceph_mds_session *session = NULL;
+	int mds = -1;
+	int err = -EAGAIN;
+
+	if (req->r_reply)
+		goto out;
+
+	if (req->r_timeout &&
+	    time_after_eq(jiffies, req->r_started + req->r_timeout)) {
+		dout("do_request timed out\n");
+		err = -EIO;
+		goto finish;
+	}
+
+	mds = __choose_mds(mdsc, req);
+	if (mds < 0 ||
+	    ceph_mdsmap_get_state(mdsc->mdsmap, mds) < CEPH_MDS_STATE_ACTIVE) {
+		dout("do_request no mds or not active, waiting for map\n");
+		list_add(&req->r_wait, &mdsc->waiting_for_map);
+		goto out;
+	}
+
+	/* get, open session */
+	session = __ceph_lookup_mds_session(mdsc, mds);
+	if (!session) {
+		session = register_session(mdsc, mds);
+		if (IS_ERR(session)) {
+			err = PTR_ERR(session);
+			goto finish;
+		}
+	}
+	dout("do_request mds%d session %p state %s\n", mds, session,
+	     session_state_name(session->s_state));
+	if (session->s_state != CEPH_MDS_SESSION_OPEN &&
+	    session->s_state != CEPH_MDS_SESSION_HUNG) {
+		if (session->s_state == CEPH_MDS_SESSION_NEW ||
+		    session->s_state == CEPH_MDS_SESSION_CLOSING)
+			__open_session(mdsc, session);
+		list_add(&req->r_wait, &session->s_waiting);
+		goto out_session;
+	}
+
+	/* send request */
+	req->r_session = get_session(session);
+	req->r_resend_mds = -1;   /* forget any previous mds hint */
+
+	if (req->r_request_started == 0)   /* note request start time */
+		req->r_request_started = jiffies;
+
+	err = __prepare_send_request(mdsc, req, mds);
+	if (!err) {
+		ceph_msg_get(req->r_request);
+		ceph_con_send(&session->s_con, req->r_request);
+	}
+
+out_session:
+	ceph_put_mds_session(session);
+out:
+	return err;
+
+finish:
+	req->r_reply = ERR_PTR(err);
+	complete_request(mdsc, req);
+	goto out;
+}
+
+/*
+ * called under mdsc->mutex
+ */
+static void __wake_requests(struct ceph_mds_client *mdsc,
+			    struct list_head *head)
+{
+	struct ceph_mds_request *req, *nreq;
+
+	list_for_each_entry_safe(req, nreq, head, r_wait) {
+		list_del_init(&req->r_wait);
+		__do_request(mdsc, req);
+	}
+}
+
+/*
+ * Wake up threads with requests pending for @mds, so that they can
+ * resubmit their requests to a possibly different mds.  If @all is set,
+ * wake up if their requests has been forwarded to @mds, too.
+ */
+static void kick_requests(struct ceph_mds_client *mdsc, int mds, int all)
+{
+	struct ceph_mds_request *req;
+	struct rb_node *p;
+
+	dout("kick_requests mds%d\n", mds);
+	for (p = rb_first(&mdsc->request_tree); p; p = rb_next(p)) {
+		req = rb_entry(p, struct ceph_mds_request, r_node);
+		if (req->r_got_unsafe)
+			continue;
+		if (req->r_session &&
+		    req->r_session->s_mds == mds) {
+			dout(" kicking tid %llu\n", req->r_tid);
+			put_request_session(req);
+			__do_request(mdsc, req);
+		}
+	}
+}
+
+void ceph_mdsc_submit_request(struct ceph_mds_client *mdsc,
+			      struct ceph_mds_request *req)
+{
+	dout("submit_request on %p\n", req);
+	mutex_lock(&mdsc->mutex);
+	__register_request(mdsc, req, NULL);
+	__do_request(mdsc, req);
+	mutex_unlock(&mdsc->mutex);
+}
+
+/*
+ * Synchrously perform an mds request.  Take care of all of the
+ * session setup, forwarding, retry details.
+ */
+int ceph_mdsc_do_request(struct ceph_mds_client *mdsc,
+			 struct inode *dir,
+			 struct ceph_mds_request *req)
+{
+	int err;
+
+	dout("do_request on %p\n", req);
+
+	/* take CAP_PIN refs for r_inode, r_locked_dir, r_old_dentry */
+	if (req->r_inode)
+		ceph_get_cap_refs(ceph_inode(req->r_inode), CEPH_CAP_PIN);
+	if (req->r_locked_dir)
+		ceph_get_cap_refs(ceph_inode(req->r_locked_dir), CEPH_CAP_PIN);
+	if (req->r_old_dentry)
+		ceph_get_cap_refs(
+			ceph_inode(req->r_old_dentry->d_parent->d_inode),
+			CEPH_CAP_PIN);
+
+	/* issue */
+	mutex_lock(&mdsc->mutex);
+	__register_request(mdsc, req, dir);
+	__do_request(mdsc, req);
+
+	/* wait */
+	if (!req->r_reply) {
+		mutex_unlock(&mdsc->mutex);
+		if (req->r_timeout) {
+			err = (long)wait_for_completion_interruptible_timeout(
+				&req->r_completion, req->r_timeout);
+			if (err == 0)
+				req->r_reply = ERR_PTR(-EIO);
+			else if (err < 0)
+				req->r_reply = ERR_PTR(err);
+		} else {
+                        err = wait_for_completion_interruptible(
+                                &req->r_completion);
+                        if (err)
+                                req->r_reply = ERR_PTR(err);
+		}
+		mutex_lock(&mdsc->mutex);
+	}
+
+	if (IS_ERR(req->r_reply)) {
+		err = PTR_ERR(req->r_reply);
+		req->r_reply = NULL;
+
+		if (err == -ERESTARTSYS) {
+			/* aborted */
+			req->r_aborted = true;
+
+			if (req->r_locked_dir &&
+			    (req->r_op & CEPH_MDS_OP_WRITE)) {
+				struct ceph_inode_info *ci =
+					ceph_inode(req->r_locked_dir);
+
+				dout("aborted, clearing I_COMPLETE on %p\n", 
+				     req->r_locked_dir);
+				spin_lock(&req->r_locked_dir->i_lock);
+				ci->i_ceph_flags &= ~CEPH_I_COMPLETE;
+				ci->i_release_count++;
+				spin_unlock(&req->r_locked_dir->i_lock);
+			}
+		} else {
+			/* clean up this request */
+			__unregister_request(mdsc, req);
+			if (!list_empty(&req->r_unsafe_item))
+				list_del_init(&req->r_unsafe_item);
+			complete(&req->r_safe_completion);
+		}
+	} else if (req->r_err) {
+		err = req->r_err;
+	} else {
+		err = le32_to_cpu(req->r_reply_info.head->result);
+	}
+	mutex_unlock(&mdsc->mutex);
+
+	dout("do_request %p done, result %d\n", req, err);
+	return err;
+}
+
+/*
+ * Handle mds reply.
+ *
+ * We take the session mutex and parse and process the reply immediately.
+ * This preserves the logical ordering of replies, capabilities, etc., sent
+ * by the MDS as they are applied to our local cache.
+ */
+static void handle_reply(struct ceph_mds_session *session, struct ceph_msg *msg)
+{
+	struct ceph_mds_client *mdsc = session->s_mdsc;
+	struct ceph_mds_request *req;
+	struct ceph_mds_reply_head *head = msg->front.iov_base;
+	struct ceph_mds_reply_info_parsed *rinfo;  /* parsed reply info */
+	u64 tid;
+	int err, result;
+	int mds = session->s_mds;
+
+	if (msg->front.iov_len < sizeof(*head)) {
+		pr_err("mdsc_handle_reply got corrupt (short) reply\n");
+		ceph_msg_dump(msg);
+		return;
+	}
+
+	/* get request, session */
+	tid = le64_to_cpu(msg->hdr.tid);
+	mutex_lock(&mdsc->mutex);
+	req = __lookup_request(mdsc, tid);
+	if (!req) {
+		dout("handle_reply on unknown tid %llu\n", tid);
+		mutex_unlock(&mdsc->mutex);
+		return;
+	}
+	dout("handle_reply %p\n", req);
+
+	/* correct session? */
+	if (req->r_session != session) {
+		pr_err("mdsc_handle_reply got %llu on session mds%d"
+		       " not mds%d\n", tid, session->s_mds,
+		       req->r_session ? req->r_session->s_mds : -1);
+		mutex_unlock(&mdsc->mutex);
+		goto out;
+	}
+
+	/* dup? */
+	if ((req->r_got_unsafe && !head->safe) ||
+	    (req->r_got_safe && head->safe)) {
+		pr_warning("got a dup %s reply on %llu from mds%d\n",
+			   head->safe ? "safe" : "unsafe", tid, mds);
+		mutex_unlock(&mdsc->mutex);
+		goto out;
+	}
+
+	result = le32_to_cpu(head->result);
+
+	/*
+	 * Tolerate 2 consecutive ESTALEs from the same mds.
+	 * FIXME: we should be looking at the cap migrate_seq.
+	 */
+	if (result == -ESTALE) {
+		req->r_direct_mode = USE_AUTH_MDS;
+		req->r_num_stale++;
+		if (req->r_num_stale <= 2) {
+			__do_request(mdsc, req);
+			mutex_unlock(&mdsc->mutex);
+			goto out;
+		}
+	} else {
+		req->r_num_stale = 0;
+	}
+
+	if (head->safe) {
+		req->r_got_safe = true;
+		__unregister_request(mdsc, req);
+		complete(&req->r_safe_completion);
+
+		if (req->r_got_unsafe) {
+			/*
+			 * We already handled the unsafe response, now do the
+			 * cleanup.  No need to examine the response; the MDS
+			 * doesn't include any result info in the safe
+			 * response.  And even if it did, there is nothing
+			 * useful we could do with a revised return value.
+			 */
+			dout("got safe reply %llu, mds%d\n", tid, mds);
+			list_del_init(&req->r_unsafe_item);
+
+			/* last unsafe request during umount? */
+			if (mdsc->stopping && !__get_oldest_req(mdsc))
+				complete(&mdsc->safe_umount_waiters);
+			mutex_unlock(&mdsc->mutex);
+			goto out;
+		}
+	}
+
+	BUG_ON(req->r_reply);
+
+	if (!head->safe) {
+		req->r_got_unsafe = true;
+		list_add_tail(&req->r_unsafe_item, &req->r_session->s_unsafe);
+	}
+
+	dout("handle_reply tid %lld result %d\n", tid, result);
+	rinfo = &req->r_reply_info;
+	err = parse_reply_info(msg, rinfo);
+	mutex_unlock(&mdsc->mutex);
+
+	mutex_lock(&session->s_mutex);
+	if (err < 0) {
+		pr_err("mdsc_handle_reply got corrupt reply mds%d\n", mds);
+		ceph_msg_dump(msg);
+		goto out_err;
+	}
+
+	/* snap trace */
+	if (rinfo->snapblob_len) {
+		down_write(&mdsc->snap_rwsem);
+		ceph_update_snap_trace(mdsc, rinfo->snapblob,
+			       rinfo->snapblob + rinfo->snapblob_len,
+			       le32_to_cpu(head->op) == CEPH_MDS_OP_RMSNAP);
+		downgrade_write(&mdsc->snap_rwsem);
+	} else {
+		down_read(&mdsc->snap_rwsem);
+	}
+
+	/* insert trace into our cache */
+	err = ceph_fill_trace(mdsc->client->sb, req, req->r_session);
+	if (err == 0) {
+		if (result == 0 && rinfo->dir_nr)
+			ceph_readdir_prepopulate(req, req->r_session);
+		ceph_unreserve_caps(&req->r_caps_reservation);
+	}
+
+	up_read(&mdsc->snap_rwsem);
+out_err:
+	if (err) {
+		req->r_err = err;
+	} else {
+		req->r_reply = msg;
+		ceph_msg_get(msg);
+	}
+
+	add_cap_releases(mdsc, req->r_session, -1);
+	mutex_unlock(&session->s_mutex);
+
+	/* kick calling process */
+	complete_request(mdsc, req);
+out:
+	ceph_mdsc_put_request(req);
+	return;
+}
+
+
+
+/*
+ * handle mds notification that our request has been forwarded.
+ */
+static void handle_forward(struct ceph_mds_client *mdsc,
+			   struct ceph_mds_session *session,
+			   struct ceph_msg *msg)
+{
+	struct ceph_mds_request *req;
+	u64 tid = le64_to_cpu(msg->hdr.tid);
+	u32 next_mds;
+	u32 fwd_seq;
+	int err = -EINVAL;
+	void *p = msg->front.iov_base;
+	void *end = p + msg->front.iov_len;
+
+	ceph_decode_need(&p, end, 2*sizeof(u32), bad);
+	next_mds = ceph_decode_32(&p);
+	fwd_seq = ceph_decode_32(&p);
+
+	mutex_lock(&mdsc->mutex);
+	req = __lookup_request(mdsc, tid);
+	if (!req) {
+		dout("forward %llu to mds%d - req dne\n", tid, next_mds);
+		goto out;  /* dup reply? */
+	}
+
+	if (fwd_seq <= req->r_num_fwd) {
+		dout("forward %llu to mds%d - old seq %d <= %d\n",
+		     tid, next_mds, req->r_num_fwd, fwd_seq);
+	} else {
+		/* resend. forward race not possible; mds would drop */
+		dout("forward %llu to mds%d (we resend)\n", tid, next_mds);
+		req->r_num_fwd = fwd_seq;
+		req->r_resend_mds = next_mds;
+		put_request_session(req);
+		__do_request(mdsc, req);
+	}
+	ceph_mdsc_put_request(req);
+out:
+	mutex_unlock(&mdsc->mutex);
+	return;
+
+bad:
+	pr_err("mdsc_handle_forward decode error err=%d\n", err);
+}
+
+/*
+ * handle a mds session control message
+ */
+static void handle_session(struct ceph_mds_session *session,
+			   struct ceph_msg *msg)
+{
+	struct ceph_mds_client *mdsc = session->s_mdsc;
+	u32 op;
+	u64 seq;
+	int mds = session->s_mds;
+	struct ceph_mds_session_head *h = msg->front.iov_base;
+	int wake = 0;
+
+	/* decode */
+	if (msg->front.iov_len != sizeof(*h))
+		goto bad;
+	op = le32_to_cpu(h->op);
+	seq = le64_to_cpu(h->seq);
+
+	mutex_lock(&mdsc->mutex);
+	if (op == CEPH_SESSION_CLOSE)
+		__unregister_session(mdsc, session);
+	/* FIXME: this ttl calculation is generous */
+	session->s_ttl = jiffies + HZ*mdsc->mdsmap->m_session_autoclose;
+	mutex_unlock(&mdsc->mutex);
+
+	mutex_lock(&session->s_mutex);
+
+	dout("handle_session mds%d %s %p state %s seq %llu\n",
+	     mds, ceph_session_op_name(op), session,
+	     session_state_name(session->s_state), seq);
+
+	if (session->s_state == CEPH_MDS_SESSION_HUNG) {
+		session->s_state = CEPH_MDS_SESSION_OPEN;
+		pr_info("mds%d came back\n", session->s_mds);
+	}
+
+	switch (op) {
+	case CEPH_SESSION_OPEN:
+		session->s_state = CEPH_MDS_SESSION_OPEN;
+		renewed_caps(mdsc, session, 0);
+		wake = 1;
+		if (mdsc->stopping)
+			__close_session(mdsc, session);
+		break;
+
+	case CEPH_SESSION_RENEWCAPS:
+		if (session->s_renew_seq == seq)
+			renewed_caps(mdsc, session, 1);
+		break;
+
+	case CEPH_SESSION_CLOSE:
+		remove_session_caps(session);
+		wake = 1; /* for good measure */
+		complete(&mdsc->session_close_waiters);
+		kick_requests(mdsc, mds, 0);      /* cur only */
+		break;
+
+	case CEPH_SESSION_STALE:
+		pr_info("mds%d caps went stale, renewing\n",
+			session->s_mds);
+		spin_lock(&session->s_cap_lock);
+		session->s_cap_gen++;
+		session->s_cap_ttl = 0;
+		spin_unlock(&session->s_cap_lock);
+		send_renew_caps(mdsc, session);
+		break;
+
+	case CEPH_SESSION_RECALL_STATE:
+		trim_caps(mdsc, session, le32_to_cpu(h->max_caps));
+		break;
+
+	default:
+		pr_err("mdsc_handle_session bad op %d mds%d\n", op, mds);
+		WARN_ON(1);
+	}
+
+	mutex_unlock(&session->s_mutex);
+	if (wake) {
+		mutex_lock(&mdsc->mutex);
+		__wake_requests(mdsc, &session->s_waiting);
+		mutex_unlock(&mdsc->mutex);
+	}
+	return;
+
+bad:
+	pr_err("mdsc_handle_session corrupt message mds%d len %d\n", mds,
+	       (int)msg->front.iov_len);
+	ceph_msg_dump(msg);
+	return;
+}
+
+
+/*
+ * called under session->mutex.
+ */
+static void replay_unsafe_requests(struct ceph_mds_client *mdsc,
+				   struct ceph_mds_session *session)
+{
+	struct ceph_mds_request *req, *nreq;
+	int err;
+
+	dout("replay_unsafe_requests mds%d\n", session->s_mds);
+
+	mutex_lock(&mdsc->mutex);
+	list_for_each_entry_safe(req, nreq, &session->s_unsafe, r_unsafe_item) {
+		err = __prepare_send_request(mdsc, req, session->s_mds);
+		if (!err) {
+			ceph_msg_get(req->r_request);
+			ceph_con_send(&session->s_con, req->r_request);
+		}
+	}
+	mutex_unlock(&mdsc->mutex);
+}
+
+/*
+ * Encode information about a cap for a reconnect with the MDS.
+ */
+static int encode_caps_cb(struct inode *inode, struct ceph_cap *cap,
+			  void *arg)
+{
+	struct ceph_mds_cap_reconnect rec;
+	struct ceph_inode_info *ci;
+	struct ceph_pagelist *pagelist = arg;
+	char *path;
+	int pathlen, err;
+	u64 pathbase;
+	struct dentry *dentry;
+
+	ci = cap->ci;
+
+	dout(" adding %p ino %llx.%llx cap %p %lld %s\n",
+	     inode, ceph_vinop(inode), cap, cap->cap_id,
+	     ceph_cap_string(cap->issued));
+	err = ceph_pagelist_encode_64(pagelist, ceph_ino(inode));
+	if (err)
+		return err;
+
+	dentry = d_find_alias(inode);
+	if (dentry) {
+		path = ceph_mdsc_build_path(dentry, &pathlen, &pathbase, 0);
+		if (IS_ERR(path)) {
+			err = PTR_ERR(path);
+			BUG_ON(err);
+		}
+	} else {
+		path = NULL;
+		pathlen = 0;
+	}
+	err = ceph_pagelist_encode_string(pagelist, path, pathlen);
+	if (err)
+		goto out;
+
+	spin_lock(&inode->i_lock);
+	cap->seq = 0;        /* reset cap seq */
+	cap->issue_seq = 0;  /* and issue_seq */
+	rec.cap_id = cpu_to_le64(cap->cap_id);
+	rec.pathbase = cpu_to_le64(pathbase);
+	rec.wanted = cpu_to_le32(__ceph_caps_wanted(ci));
+	rec.issued = cpu_to_le32(cap->issued);
+	rec.size = cpu_to_le64(inode->i_size);
+	ceph_encode_timespec(&rec.mtime, &inode->i_mtime);
+	ceph_encode_timespec(&rec.atime, &inode->i_atime);
+	rec.snaprealm = cpu_to_le64(ci->i_snap_realm->ino);
+	spin_unlock(&inode->i_lock);
+
+	err = ceph_pagelist_append(pagelist, &rec, sizeof(rec));
+
+out:
+	kfree(path);
+	dput(dentry);
+	return err;
+}
+
+
+/*
+ * If an MDS fails and recovers, clients need to reconnect in order to
+ * reestablish shared state.  This includes all caps issued through
+ * this session _and_ the snap_realm hierarchy.  Because it's not
+ * clear which snap realms the mds cares about, we send everything we
+ * know about.. that ensures we'll then get any new info the
+ * recovering MDS might have.
+ *
+ * This is a relatively heavyweight operation, but it's rare.
+ *
+ * called with mdsc->mutex held.
+ */
+static void send_mds_reconnect(struct ceph_mds_client *mdsc, int mds)
+{
+	struct ceph_mds_session *session = NULL;
+	struct ceph_msg *reply;
+	struct rb_node *p;
+	int err;
+	struct ceph_pagelist *pagelist;
+
+	pr_info("reconnect to recovering mds%d\n", mds);
+
+	pagelist = kmalloc(sizeof(*pagelist), GFP_NOFS);
+	if (!pagelist)
+		goto fail_nopagelist;
+	ceph_pagelist_init(pagelist);
+
+	reply = ceph_msg_new(CEPH_MSG_CLIENT_RECONNECT, 0, 0, 0, NULL);
+	if (IS_ERR(reply)) {
+		err = PTR_ERR(reply);
+		goto fail_nomsg;
+	}
+
+	/* find session */
+	session = __ceph_lookup_mds_session(mdsc, mds);
+	mutex_unlock(&mdsc->mutex);    /* drop lock for duration */
+
+	if (session) {
+		mutex_lock(&session->s_mutex);
+
+		session->s_state = CEPH_MDS_SESSION_RECONNECTING;
+		session->s_seq = 0;
+
+		ceph_con_open(&session->s_con,
+			      ceph_mdsmap_get_addr(mdsc->mdsmap, mds));
+
+		/* replay unsafe requests */
+		replay_unsafe_requests(mdsc, session);
+	} else {
+		dout("no session for mds%d, will send short reconnect\n",
+		     mds);
+	}
+
+	down_read(&mdsc->snap_rwsem);
+
+	if (!session)
+		goto send;
+	dout("session %p state %s\n", session,
+	     session_state_name(session->s_state));
+
+	/* traverse this session's caps */
+	err = ceph_pagelist_encode_32(pagelist, session->s_nr_caps);
+	if (err)
+		goto fail;
+	err = iterate_session_caps(session, encode_caps_cb, pagelist);
+	if (err < 0)
+		goto out;
+
+	/*
+	 * snaprealms.  we provide mds with the ino, seq (version), and
+	 * parent for all of our realms.  If the mds has any newer info,
+	 * it will tell us.
+	 */
+	for (p = rb_first(&mdsc->snap_realms); p; p = rb_next(p)) {
+		struct ceph_snap_realm *realm =
+			rb_entry(p, struct ceph_snap_realm, node);
+		struct ceph_mds_snaprealm_reconnect sr_rec;
+
+		dout(" adding snap realm %llx seq %lld parent %llx\n",
+		     realm->ino, realm->seq, realm->parent_ino);
+		sr_rec.ino = cpu_to_le64(realm->ino);
+		sr_rec.seq = cpu_to_le64(realm->seq);
+		sr_rec.parent = cpu_to_le64(realm->parent_ino);
+		err = ceph_pagelist_append(pagelist, &sr_rec, sizeof(sr_rec));
+		if (err)
+			goto fail;
+	}
+
+send:
+	reply->pagelist = pagelist;
+	reply->hdr.data_len = cpu_to_le32(pagelist->length);
+	reply->nr_pages = calc_pages_for(0, pagelist->length);
+	ceph_con_send(&session->s_con, reply);
+
+	if (session) {
+		session->s_state = CEPH_MDS_SESSION_OPEN;
+		__wake_requests(mdsc, &session->s_waiting);
+	}
+
+out:
+	up_read(&mdsc->snap_rwsem);
+	if (session) {
+		mutex_unlock(&session->s_mutex);
+		ceph_put_mds_session(session);
+	}
+	mutex_lock(&mdsc->mutex);
+	return;
+
+fail:
+	ceph_msg_put(reply);
+fail_nomsg:
+	ceph_pagelist_release(pagelist);
+	kfree(pagelist);
+fail_nopagelist:
+	pr_err("ENOMEM preparing reconnect for mds%d\n", mds);
+	goto out;
+}
+
+
+/*
+ * compare old and new mdsmaps, kicking requests
+ * and closing out old connections as necessary
+ *
+ * called under mdsc->mutex.
+ */
+static void check_new_map(struct ceph_mds_client *mdsc,
+			  struct ceph_mdsmap *newmap,
+			  struct ceph_mdsmap *oldmap)
+{
+	int i;
+	int oldstate, newstate;
+	struct ceph_mds_session *s;
+
+	dout("check_new_map new %u old %u\n",
+	     newmap->m_epoch, oldmap->m_epoch);
+
+	for (i = 0; i < oldmap->m_max_mds && i < mdsc->max_sessions; i++) {
+		if (mdsc->sessions[i] == NULL)
+			continue;
+		s = mdsc->sessions[i];
+		oldstate = ceph_mdsmap_get_state(oldmap, i);
+		newstate = ceph_mdsmap_get_state(newmap, i);
+
+		dout("check_new_map mds%d state %s -> %s (session %s)\n",
+		     i, ceph_mds_state_name(oldstate),
+		     ceph_mds_state_name(newstate),
+		     session_state_name(s->s_state));
+
+		if (memcmp(ceph_mdsmap_get_addr(oldmap, i),
+			   ceph_mdsmap_get_addr(newmap, i),
+			   sizeof(struct ceph_entity_addr))) {
+			if (s->s_state == CEPH_MDS_SESSION_OPENING) {
+				/* the session never opened, just close it
+				 * out now */
+				__wake_requests(mdsc, &s->s_waiting);
+				__unregister_session(mdsc, s);
+			} else {
+				/* just close it */
+				mutex_unlock(&mdsc->mutex);
+				mutex_lock(&s->s_mutex);
+				mutex_lock(&mdsc->mutex);
+				ceph_con_close(&s->s_con);
+				mutex_unlock(&s->s_mutex);
+				s->s_state = CEPH_MDS_SESSION_RESTARTING;
+			}
+
+			/* kick any requests waiting on the recovering mds */
+			kick_requests(mdsc, i, 1);
+		} else if (oldstate == newstate) {
+			continue;  /* nothing new with this mds */
+		}
+
+		/*
+		 * send reconnect?
+		 */
+		if (s->s_state == CEPH_MDS_SESSION_RESTARTING &&
+		    newstate >= CEPH_MDS_STATE_RECONNECT)
+			send_mds_reconnect(mdsc, i);
+
+		/*
+		 * kick requests on any mds that has gone active.
+		 *
+		 * kick requests on cur or forwarder: we may have sent
+		 * the request to mds1, mds1 told us it forwarded it
+		 * to mds2, but then we learn mds1 failed and can't be
+		 * sure it successfully forwarded our request before
+		 * it died.
+		 */
+		if (oldstate < CEPH_MDS_STATE_ACTIVE &&
+		    newstate >= CEPH_MDS_STATE_ACTIVE) {
+			pr_info("mds%d reconnect completed\n", s->s_mds);
+			kick_requests(mdsc, i, 1);
+			ceph_kick_flushing_caps(mdsc, s);
+			wake_up_session_caps(s, 1);
+		}
+	}
+}
+
+
+
+/*
+ * leases
+ */
+
+/*
+ * caller must hold session s_mutex, dentry->d_lock
+ */
+void __ceph_mdsc_drop_dentry_lease(struct dentry *dentry)
+{
+	struct ceph_dentry_info *di = ceph_dentry(dentry);
+
+	ceph_put_mds_session(di->lease_session);
+	di->lease_session = NULL;
+}
+
+static void handle_lease(struct ceph_mds_client *mdsc,
+			 struct ceph_mds_session *session,
+			 struct ceph_msg *msg)
+{
+	struct super_block *sb = mdsc->client->sb;
+	struct inode *inode;
+	struct ceph_inode_info *ci;
+	struct dentry *parent, *dentry;
+	struct ceph_dentry_info *di;
+	int mds = session->s_mds;
+	struct ceph_mds_lease *h = msg->front.iov_base;
+	struct ceph_vino vino;
+	int mask;
+	struct qstr dname;
+	int release = 0;
+
+	dout("handle_lease from mds%d\n", mds);
+
+	/* decode */
+	if (msg->front.iov_len < sizeof(*h) + sizeof(u32))
+		goto bad;
+	vino.ino = le64_to_cpu(h->ino);
+	vino.snap = CEPH_NOSNAP;
+	mask = le16_to_cpu(h->mask);
+	dname.name = (void *)h + sizeof(*h) + sizeof(u32);
+	dname.len = msg->front.iov_len - sizeof(*h) - sizeof(u32);
+	if (dname.len != get_unaligned_le32(h+1))
+		goto bad;
+
+	mutex_lock(&session->s_mutex);
+	session->s_seq++;
+
+	/* lookup inode */
+	inode = ceph_find_inode(sb, vino);
+	dout("handle_lease '%s', mask %d, ino %llx %p\n",
+	     ceph_lease_op_name(h->action), mask, vino.ino, inode);
+	if (inode == NULL) {
+		dout("handle_lease no inode %llx\n", vino.ino);
+		goto release;
+	}
+	ci = ceph_inode(inode);
+
+	/* dentry */
+	parent = d_find_alias(inode);
+	if (!parent) {
+		dout("no parent dentry on inode %p\n", inode);
+		WARN_ON(1);
+		goto release;  /* hrm... */
+	}
+	dname.hash = full_name_hash(dname.name, dname.len);
+	dentry = d_lookup(parent, &dname);
+	dput(parent);
+	if (!dentry)
+		goto release;
+
+	spin_lock(&dentry->d_lock);
+	di = ceph_dentry(dentry);
+	switch (h->action) {
+	case CEPH_MDS_LEASE_REVOKE:
+		if (di && di->lease_session == session) {
+			h->seq = cpu_to_le32(di->lease_seq);
+			__ceph_mdsc_drop_dentry_lease(dentry);
+		}
+		release = 1;
+		break;
+
+	case CEPH_MDS_LEASE_RENEW:
+		if (di && di->lease_session == session &&
+		    di->lease_gen == session->s_cap_gen &&
+		    di->lease_renew_from &&
+		    di->lease_renew_after == 0) {
+			unsigned long duration =
+				le32_to_cpu(h->duration_ms) * HZ / 1000;
+
+			di->lease_seq = le32_to_cpu(h->seq);
+			dentry->d_time = di->lease_renew_from + duration;
+			di->lease_renew_after = di->lease_renew_from +
+				(duration >> 1);
+			di->lease_renew_from = 0;
+		}
+		break;
+	}
+	spin_unlock(&dentry->d_lock);
+	dput(dentry);
+
+	if (!release)
+		goto out;
+
+release:
+	/* let's just reuse the same message */
+	h->action = CEPH_MDS_LEASE_REVOKE_ACK;
+	ceph_msg_get(msg);
+	ceph_con_send(&session->s_con, msg);
+
+out:
+	iput(inode);
+	mutex_unlock(&session->s_mutex);
+	return;
+
+bad:
+	pr_err("corrupt lease message\n");
+	ceph_msg_dump(msg);
+}
+
+void ceph_mdsc_lease_send_msg(struct ceph_mds_session *session,
+			      struct inode *inode,
+			      struct dentry *dentry, char action,
+			      u32 seq)
+{
+	struct ceph_msg *msg;
+	struct ceph_mds_lease *lease;
+	int len = sizeof(*lease) + sizeof(u32);
+	int dnamelen = 0;
+
+	dout("lease_send_msg inode %p dentry %p %s to mds%d\n",
+	     inode, dentry, ceph_lease_op_name(action), session->s_mds);
+	dnamelen = dentry->d_name.len;
+	len += dnamelen;
+
+	msg = ceph_msg_new(CEPH_MSG_CLIENT_LEASE, len, 0, 0, NULL);
+	if (IS_ERR(msg))
+		return;
+	lease = msg->front.iov_base;
+	lease->action = action;
+	lease->mask = cpu_to_le16(CEPH_LOCK_DN);
+	lease->ino = cpu_to_le64(ceph_vino(inode).ino);
+	lease->first = lease->last = cpu_to_le64(ceph_vino(inode).snap);
+	lease->seq = cpu_to_le32(seq);
+	put_unaligned_le32(dnamelen, lease + 1);
+	memcpy((void *)(lease + 1) + 4, dentry->d_name.name, dnamelen);
+
+	/*
+	 * if this is a preemptive lease RELEASE, no need to
+	 * flush request stream, since the actual request will
+	 * soon follow.
+	 */
+	msg->more_to_follow = (action == CEPH_MDS_LEASE_RELEASE);
+
+	ceph_con_send(&session->s_con, msg);
+}
+
+/*
+ * Preemptively release a lease we expect to invalidate anyway.
+ * Pass @inode always, @dentry is optional.
+ */
+void ceph_mdsc_lease_release(struct ceph_mds_client *mdsc, struct inode *inode,
+			     struct dentry *dentry, int mask)
+{
+	struct ceph_dentry_info *di;
+	struct ceph_mds_session *session;
+	u32 seq;
+
+	BUG_ON(inode == NULL);
+	BUG_ON(dentry == NULL);
+	BUG_ON(mask != CEPH_LOCK_DN);
+
+	/* is dentry lease valid? */
+	spin_lock(&dentry->d_lock);
+	di = ceph_dentry(dentry);
+	if (!di || !di->lease_session ||
+	    di->lease_session->s_mds < 0 ||
+	    di->lease_gen != di->lease_session->s_cap_gen ||
+	    !time_before(jiffies, dentry->d_time)) {
+		dout("lease_release inode %p dentry %p -- "
+		     "no lease on %d\n",
+		     inode, dentry, mask);
+		spin_unlock(&dentry->d_lock);
+		return;
+	}
+
+	/* we do have a lease on this dentry; note mds and seq */
+	session = ceph_get_mds_session(di->lease_session);
+	seq = di->lease_seq;
+	__ceph_mdsc_drop_dentry_lease(dentry);
+	spin_unlock(&dentry->d_lock);
+
+	dout("lease_release inode %p dentry %p mask %d to mds%d\n",
+	     inode, dentry, mask, session->s_mds);
+	ceph_mdsc_lease_send_msg(session, inode, dentry,
+				 CEPH_MDS_LEASE_RELEASE, seq);
+	ceph_put_mds_session(session);
+}
+
+/*
+ * drop all leases (and dentry refs) in preparation for umount
+ */
+static void drop_leases(struct ceph_mds_client *mdsc)
+{
+	int i;
+
+	dout("drop_leases\n");
+	mutex_lock(&mdsc->mutex);
+	for (i = 0; i < mdsc->max_sessions; i++) {
+		struct ceph_mds_session *s = __ceph_lookup_mds_session(mdsc, i);
+		if (!s)
+			continue;
+		mutex_unlock(&mdsc->mutex);
+		mutex_lock(&s->s_mutex);
+		mutex_unlock(&s->s_mutex);
+		ceph_put_mds_session(s);
+		mutex_lock(&mdsc->mutex);
+	}
+	mutex_unlock(&mdsc->mutex);
+}
+
+
+
+/*
+ * delayed work -- periodically trim expired leases, renew caps with mds
+ */
+static void schedule_delayed(struct ceph_mds_client *mdsc)
+{
+	int delay = 5;
+	unsigned hz = round_jiffies_relative(HZ * delay);
+	schedule_delayed_work(&mdsc->delayed_work, hz);
+}
+
+static void delayed_work(struct work_struct *work)
+{
+	int i;
+	struct ceph_mds_client *mdsc =
+		container_of(work, struct ceph_mds_client, delayed_work.work);
+	int renew_interval;
+	int renew_caps;
+
+	dout("mdsc delayed_work\n");
+	ceph_check_delayed_caps(mdsc);
+
+	mutex_lock(&mdsc->mutex);
+	renew_interval = mdsc->mdsmap->m_session_timeout >> 2;
+	renew_caps = time_after_eq(jiffies, HZ*renew_interval +
+				   mdsc->last_renew_caps);
+	if (renew_caps)
+		mdsc->last_renew_caps = jiffies;
+
+	for (i = 0; i < mdsc->max_sessions; i++) {
+		struct ceph_mds_session *s = __ceph_lookup_mds_session(mdsc, i);
+		if (s == NULL)
+			continue;
+		if (s->s_state == CEPH_MDS_SESSION_CLOSING) {
+			dout("resending session close request for mds%d\n",
+			     s->s_mds);
+			request_close_session(mdsc, s);
+			ceph_put_mds_session(s);
+			continue;
+		}
+		if (s->s_ttl && time_after(jiffies, s->s_ttl)) {
+			if (s->s_state == CEPH_MDS_SESSION_OPEN) {
+				s->s_state = CEPH_MDS_SESSION_HUNG;
+				pr_info("mds%d hung\n", s->s_mds);
+			}
+		}
+		if (s->s_state < CEPH_MDS_SESSION_OPEN) {
+			/* this mds is failed or recovering, just wait */
+			ceph_put_mds_session(s);
+			continue;
+		}
+		mutex_unlock(&mdsc->mutex);
+
+		mutex_lock(&s->s_mutex);
+		if (renew_caps)
+			send_renew_caps(mdsc, s);
+		else
+			ceph_con_keepalive(&s->s_con);
+		add_cap_releases(mdsc, s, -1);
+		send_cap_releases(mdsc, s);
+		mutex_unlock(&s->s_mutex);
+		ceph_put_mds_session(s);
+
+		mutex_lock(&mdsc->mutex);
+	}
+	mutex_unlock(&mdsc->mutex);
+
+	schedule_delayed(mdsc);
+}
+
+
+int ceph_mdsc_init(struct ceph_mds_client *mdsc, struct ceph_client *client)
+{
+	mdsc->client = client;
+	mutex_init(&mdsc->mutex);
+	mdsc->mdsmap = kzalloc(sizeof(*mdsc->mdsmap), GFP_NOFS);
+	init_completion(&mdsc->safe_umount_waiters);
+	init_completion(&mdsc->session_close_waiters);
+	INIT_LIST_HEAD(&mdsc->waiting_for_map);
+	mdsc->sessions = NULL;
+	mdsc->max_sessions = 0;
+	mdsc->stopping = 0;
+	init_rwsem(&mdsc->snap_rwsem);
+	mdsc->snap_realms = RB_ROOT;
+	INIT_LIST_HEAD(&mdsc->snap_empty);
+	spin_lock_init(&mdsc->snap_empty_lock);
+	mdsc->last_tid = 0;
+	mdsc->request_tree = RB_ROOT;
+	INIT_DELAYED_WORK(&mdsc->delayed_work, delayed_work);
+	mdsc->last_renew_caps = jiffies;
+	INIT_LIST_HEAD(&mdsc->cap_delay_list);
+	spin_lock_init(&mdsc->cap_delay_lock);
+	INIT_LIST_HEAD(&mdsc->snap_flush_list);
+	spin_lock_init(&mdsc->snap_flush_lock);
+	mdsc->cap_flush_seq = 0;
+	INIT_LIST_HEAD(&mdsc->cap_dirty);
+	mdsc->num_cap_flushing = 0;
+	spin_lock_init(&mdsc->cap_dirty_lock);
+	init_waitqueue_head(&mdsc->cap_flushing_wq);
+	spin_lock_init(&mdsc->dentry_lru_lock);
+	INIT_LIST_HEAD(&mdsc->dentry_lru);
+	return 0;
+}
+
+/*
+ * Wait for safe replies on open mds requests.  If we time out, drop
+ * all requests from the tree to avoid dangling dentry refs.
+ */
+static void wait_requests(struct ceph_mds_client *mdsc)
+{
+	struct ceph_mds_request *req;
+	struct ceph_client *client = mdsc->client;
+
+	mutex_lock(&mdsc->mutex);
+	if (__get_oldest_req(mdsc)) {
+		mutex_unlock(&mdsc->mutex);
+
+		dout("wait_requests waiting for requests\n");
+		wait_for_completion_timeout(&mdsc->safe_umount_waiters,
+				    client->mount_args->mount_timeout * HZ);
+
+		/* tear down remaining requests */
+		mutex_lock(&mdsc->mutex);
+		while ((req = __get_oldest_req(mdsc))) {
+			dout("wait_requests timed out on tid %llu\n",
+			     req->r_tid);
+			__unregister_request(mdsc, req);
+		}
+	}
+	mutex_unlock(&mdsc->mutex);
+	dout("wait_requests done\n");
+}
+
+/*
+ * called before mount is ro, and before dentries are torn down.
+ * (hmm, does this still race with new lookups?)
+ */
+void ceph_mdsc_pre_umount(struct ceph_mds_client *mdsc)
+{
+	dout("pre_umount\n");
+	mdsc->stopping = 1;
+
+	drop_leases(mdsc);
+	ceph_flush_dirty_caps(mdsc);
+	wait_requests(mdsc);
+}
+
+/*
+ * wait for all write mds requests to flush.
+ */
+static void wait_unsafe_requests(struct ceph_mds_client *mdsc, u64 want_tid)
+{
+	struct ceph_mds_request *req = NULL, *nextreq;
+	struct rb_node *n;
+
+	mutex_lock(&mdsc->mutex);
+	dout("wait_unsafe_requests want %lld\n", want_tid);
+restart:
+	req = __get_oldest_req(mdsc);
+	while (req && req->r_tid <= want_tid) {
+		/* find next request */
+		n = rb_next(&req->r_node);
+		if (n)
+			nextreq = rb_entry(n, struct ceph_mds_request, r_node);
+		else
+			nextreq = NULL;
+		if ((req->r_op & CEPH_MDS_OP_WRITE)) {
+			/* write op */
+			ceph_mdsc_get_request(req);
+			if (nextreq)
+				ceph_mdsc_get_request(nextreq);
+			mutex_unlock(&mdsc->mutex);
+			dout("wait_unsafe_requests  wait on %llu (want %llu)\n",
+			     req->r_tid, want_tid);
+			wait_for_completion(&req->r_safe_completion);
+			mutex_lock(&mdsc->mutex);
+			ceph_mdsc_put_request(req);
+			if (!nextreq)
+				break;  /* next dne before, so we're done! */
+			if (RB_EMPTY_NODE(&nextreq->r_node)) {
+				/* next request was removed from tree */
+				ceph_mdsc_put_request(nextreq);
+				goto restart;
+			}
+			ceph_mdsc_put_request(nextreq);  /* won't go away */
+		}
+		req = nextreq;
+	}
+	mutex_unlock(&mdsc->mutex);
+	dout("wait_unsafe_requests done\n");
+}
+
+void ceph_mdsc_sync(struct ceph_mds_client *mdsc)
+{
+	u64 want_tid, want_flush;
+
+	dout("sync\n");
+	mutex_lock(&mdsc->mutex);
+	want_tid = mdsc->last_tid;
+	want_flush = mdsc->cap_flush_seq;
+	mutex_unlock(&mdsc->mutex);
+	dout("sync want tid %lld flush_seq %lld\n", want_tid, want_flush);
+
+	ceph_flush_dirty_caps(mdsc);
+
+	wait_unsafe_requests(mdsc, want_tid);
+	wait_event(mdsc->cap_flushing_wq, check_cap_flush(mdsc, want_flush));
+}
+
+
+/*
+ * called after sb is ro.
+ */
+void ceph_mdsc_close_sessions(struct ceph_mds_client *mdsc)
+{
+	struct ceph_mds_session *session;
+	int i;
+	int n;
+	struct ceph_client *client = mdsc->client;
+	unsigned long started, timeout = client->mount_args->mount_timeout * HZ;
+
+	dout("close_sessions\n");
+
+	mutex_lock(&mdsc->mutex);
+
+	/* close sessions */
+	started = jiffies;
+	while (time_before(jiffies, started + timeout)) {
+		dout("closing sessions\n");
+		n = 0;
+		for (i = 0; i < mdsc->max_sessions; i++) {
+			session = __ceph_lookup_mds_session(mdsc, i);
+			if (!session)
+				continue;
+			mutex_unlock(&mdsc->mutex);
+			mutex_lock(&session->s_mutex);
+			__close_session(mdsc, session);
+			mutex_unlock(&session->s_mutex);
+			ceph_put_mds_session(session);
+			mutex_lock(&mdsc->mutex);
+			n++;
+		}
+		if (n == 0)
+			break;
+
+		if (client->mount_state == CEPH_MOUNT_SHUTDOWN)
+			break;
+
+		dout("waiting for sessions to close\n");
+		mutex_unlock(&mdsc->mutex);
+		wait_for_completion_timeout(&mdsc->session_close_waiters,
+					    timeout);
+		mutex_lock(&mdsc->mutex);
+	}
+
+	/* tear down remaining sessions */
+	for (i = 0; i < mdsc->max_sessions; i++) {
+		if (mdsc->sessions[i]) {
+			session = get_session(mdsc->sessions[i]);
+			__unregister_session(mdsc, session);
+			mutex_unlock(&mdsc->mutex);
+			mutex_lock(&session->s_mutex);
+			remove_session_caps(session);
+			mutex_unlock(&session->s_mutex);
+			ceph_put_mds_session(session);
+			mutex_lock(&mdsc->mutex);
+		}
+	}
+
+	WARN_ON(!list_empty(&mdsc->cap_delay_list));
+
+	mutex_unlock(&mdsc->mutex);
+
+	ceph_cleanup_empty_realms(mdsc);
+
+	cancel_delayed_work_sync(&mdsc->delayed_work); /* cancel timer */
+
+	dout("stopped\n");
+}
+
+void ceph_mdsc_stop(struct ceph_mds_client *mdsc)
+{
+	dout("stop\n");
+	cancel_delayed_work_sync(&mdsc->delayed_work); /* cancel timer */
+	if (mdsc->mdsmap)
+		ceph_mdsmap_destroy(mdsc->mdsmap);
+	kfree(mdsc->sessions);
+}
+
+
+/*
+ * handle mds map update.
+ */
+void ceph_mdsc_handle_map(struct ceph_mds_client *mdsc, struct ceph_msg *msg)
+{
+	u32 epoch;
+	u32 maplen;
+	void *p = msg->front.iov_base;
+	void *end = p + msg->front.iov_len;
+	struct ceph_mdsmap *newmap, *oldmap;
+	struct ceph_fsid fsid;
+	int err = -EINVAL;
+
+	ceph_decode_need(&p, end, sizeof(fsid)+2*sizeof(u32), bad);
+	ceph_decode_copy(&p, &fsid, sizeof(fsid));
+	if (ceph_check_fsid(mdsc->client, &fsid) < 0)
+		return;
+	epoch = ceph_decode_32(&p);
+	maplen = ceph_decode_32(&p);
+	dout("handle_map epoch %u len %d\n", epoch, (int)maplen);
+
+	/* do we need it? */
+	ceph_monc_got_mdsmap(&mdsc->client->monc, epoch);
+	mutex_lock(&mdsc->mutex);
+	if (mdsc->mdsmap && epoch <= mdsc->mdsmap->m_epoch) {
+		dout("handle_map epoch %u <= our %u\n",
+		     epoch, mdsc->mdsmap->m_epoch);
+		mutex_unlock(&mdsc->mutex);
+		return;
+	}
+
+	newmap = ceph_mdsmap_decode(&p, end);
+	if (IS_ERR(newmap)) {
+		err = PTR_ERR(newmap);
+		goto bad_unlock;
+	}
+
+	/* swap into place */
+	if (mdsc->mdsmap) {
+		oldmap = mdsc->mdsmap;
+		mdsc->mdsmap = newmap;
+		check_new_map(mdsc, newmap, oldmap);
+		ceph_mdsmap_destroy(oldmap);
+	} else {
+		mdsc->mdsmap = newmap;  /* first mds map */
+	}
+	mdsc->client->sb->s_maxbytes = mdsc->mdsmap->m_max_file_size;
+
+	__wake_requests(mdsc, &mdsc->waiting_for_map);
+
+	mutex_unlock(&mdsc->mutex);
+	schedule_delayed(mdsc);
+	return;
+
+bad_unlock:
+	mutex_unlock(&mdsc->mutex);
+bad:
+	pr_err("error decoding mdsmap %d\n", err);
+	return;
+}
+
+static struct ceph_connection *con_get(struct ceph_connection *con)
+{
+	struct ceph_mds_session *s = con->private;
+
+	if (get_session(s)) {
+		dout("mdsc con_get %p ok (%d)\n", s, atomic_read(&s->s_ref));
+		return con;
+	}
+	dout("mdsc con_get %p FAIL\n", s);
+	return NULL;
+}
+
+static void con_put(struct ceph_connection *con)
+{
+	struct ceph_mds_session *s = con->private;
+
+	ceph_put_mds_session(s);
+	dout("mdsc con_put %p (%d)\n", s, atomic_read(&s->s_ref));
+}
+
+/*
+ * if the client is unresponsive for long enough, the mds will kill
+ * the session entirely.
+ */
+static void peer_reset(struct ceph_connection *con)
+{
+	struct ceph_mds_session *s = con->private;
+
+	pr_err("mds%d gave us the boot.  IMPLEMENT RECONNECT.\n",
+	       s->s_mds);
+}
+
+static void dispatch(struct ceph_connection *con, struct ceph_msg *msg)
+{
+	struct ceph_mds_session *s = con->private;
+	struct ceph_mds_client *mdsc = s->s_mdsc;
+	int type = le16_to_cpu(msg->hdr.type);
+
+	mutex_lock(&mdsc->mutex);
+	if (__verify_registered_session(mdsc, s) < 0) {
+		mutex_unlock(&mdsc->mutex);
+		goto out;
+	}
+	mutex_unlock(&mdsc->mutex);
+
+	switch (type) {
+	case CEPH_MSG_MDS_MAP:
+		ceph_mdsc_handle_map(mdsc, msg);
+		break;
+	case CEPH_MSG_CLIENT_SESSION:
+		handle_session(s, msg);
+		break;
+	case CEPH_MSG_CLIENT_REPLY:
+		handle_reply(s, msg);
+		break;
+	case CEPH_MSG_CLIENT_REQUEST_FORWARD:
+		handle_forward(mdsc, s, msg);
+		break;
+	case CEPH_MSG_CLIENT_CAPS:
+		ceph_handle_caps(s, msg);
+		break;
+	case CEPH_MSG_CLIENT_SNAP:
+		ceph_handle_snap(mdsc, s, msg);
+		break;
+	case CEPH_MSG_CLIENT_LEASE:
+		handle_lease(mdsc, s, msg);
+		break;
+
+	default:
+		pr_err("received unknown message type %d %s\n", type,
+		       ceph_msg_type_name(type));
+	}
+out:
+	ceph_msg_put(msg);
+}
+
+/*
+ * authentication
+ */
+static int get_authorizer(struct ceph_connection *con,
+			  void **buf, int *len, int *proto,
+			  void **reply_buf, int *reply_len, int force_new)
+{
+	struct ceph_mds_session *s = con->private;
+	struct ceph_mds_client *mdsc = s->s_mdsc;
+	struct ceph_auth_client *ac = mdsc->client->monc.auth;
+	int ret = 0;
+
+	if (force_new && s->s_authorizer) {
+		ac->ops->destroy_authorizer(ac, s->s_authorizer);
+		s->s_authorizer = NULL;
+	}
+	if (s->s_authorizer == NULL) {
+		if (ac->ops->create_authorizer) {
+			ret = ac->ops->create_authorizer(
+				ac, CEPH_ENTITY_TYPE_MDS,
+				&s->s_authorizer,
+				&s->s_authorizer_buf,
+				&s->s_authorizer_buf_len,
+				&s->s_authorizer_reply_buf,
+				&s->s_authorizer_reply_buf_len);
+			if (ret)
+				return ret;
+		}
+	}
+
+	*proto = ac->protocol;
+	*buf = s->s_authorizer_buf;
+	*len = s->s_authorizer_buf_len;
+	*reply_buf = s->s_authorizer_reply_buf;
+	*reply_len = s->s_authorizer_reply_buf_len;
+	return 0;
+}
+
+
+static int verify_authorizer_reply(struct ceph_connection *con, int len)
+{
+	struct ceph_mds_session *s = con->private;
+	struct ceph_mds_client *mdsc = s->s_mdsc;
+	struct ceph_auth_client *ac = mdsc->client->monc.auth;
+
+	return ac->ops->verify_authorizer_reply(ac, s->s_authorizer, len);
+}
+
+static int invalidate_authorizer(struct ceph_connection *con)
+{
+	struct ceph_mds_session *s = con->private;
+	struct ceph_mds_client *mdsc = s->s_mdsc;
+	struct ceph_auth_client *ac = mdsc->client->monc.auth;
+
+	if (ac->ops->invalidate_authorizer)
+		ac->ops->invalidate_authorizer(ac, CEPH_ENTITY_TYPE_MDS);
+
+	return ceph_monc_validate_auth(&mdsc->client->monc);
+}
+
+const static struct ceph_connection_operations mds_con_ops = {
+	.get = con_get,
+	.put = con_put,
+	.dispatch = dispatch,
+	.get_authorizer = get_authorizer,
+	.verify_authorizer_reply = verify_authorizer_reply,
+	.invalidate_authorizer = invalidate_authorizer,
+	.peer_reset = peer_reset,
+};
+
+
+
+
+/* eof */
diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h
new file mode 100644
index 000000000000..961cc6f65878
--- /dev/null
+++ b/fs/ceph/mds_client.h
@@ -0,0 +1,335 @@
+#ifndef _FS_CEPH_MDS_CLIENT_H
+#define _FS_CEPH_MDS_CLIENT_H
+
+#include <linux/completion.h>
+#include <linux/kref.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
+#include <linux/rbtree.h>
+#include <linux/spinlock.h>
+
+#include "types.h"
+#include "messenger.h"
+#include "mdsmap.h"
+
+/*
+ * Some lock dependencies:
+ *
+ * session->s_mutex
+ *         mdsc->mutex
+ *
+ *         mdsc->snap_rwsem
+ *
+ *         inode->i_lock
+ *                 mdsc->snap_flush_lock
+ *                 mdsc->cap_delay_lock
+ *
+ */
+
+struct ceph_client;
+struct ceph_cap;
+
+/*
+ * parsed info about a single inode.  pointers are into the encoded
+ * on-wire structures within the mds reply message payload.
+ */
+struct ceph_mds_reply_info_in {
+	struct ceph_mds_reply_inode *in;
+	u32 symlink_len;
+	char *symlink;
+	u32 xattr_len;
+	char *xattr_data;
+};
+
+/*
+ * parsed info about an mds reply, including information about the
+ * target inode and/or its parent directory and dentry, and directory
+ * contents (for readdir results).
+ */
+struct ceph_mds_reply_info_parsed {
+	struct ceph_mds_reply_head    *head;
+
+	struct ceph_mds_reply_info_in diri, targeti;
+	struct ceph_mds_reply_dirfrag *dirfrag;
+	char                          *dname;
+	u32                           dname_len;
+	struct ceph_mds_reply_lease   *dlease;
+
+	struct ceph_mds_reply_dirfrag *dir_dir;
+	int                           dir_nr;
+	char                          **dir_dname;
+	u32                           *dir_dname_len;
+	struct ceph_mds_reply_lease   **dir_dlease;
+	struct ceph_mds_reply_info_in *dir_in;
+	u8                            dir_complete, dir_end;
+
+	/* encoded blob describing snapshot contexts for certain
+	   operations (e.g., open) */
+	void *snapblob;
+	int snapblob_len;
+};
+
+
+/*
+ * cap releases are batched and sent to the MDS en masse.
+ */
+#define CEPH_CAPS_PER_RELEASE ((PAGE_CACHE_SIZE -			\
+				sizeof(struct ceph_mds_cap_release)) /	\
+			       sizeof(struct ceph_mds_cap_item))
+
+
+/*
+ * state associated with each MDS<->client session
+ */
+enum {
+	CEPH_MDS_SESSION_NEW = 1,
+	CEPH_MDS_SESSION_OPENING = 2,
+	CEPH_MDS_SESSION_OPEN = 3,
+	CEPH_MDS_SESSION_HUNG = 4,
+	CEPH_MDS_SESSION_CLOSING = 5,
+	CEPH_MDS_SESSION_RESTARTING = 6,
+	CEPH_MDS_SESSION_RECONNECTING = 7,
+};
+
+struct ceph_mds_session {
+	struct ceph_mds_client *s_mdsc;
+	int               s_mds;
+	int               s_state;
+	unsigned long     s_ttl;      /* time until mds kills us */
+	u64               s_seq;      /* incoming msg seq # */
+	struct mutex      s_mutex;    /* serialize session messages */
+
+	struct ceph_connection s_con;
+
+	struct ceph_authorizer *s_authorizer;
+	void             *s_authorizer_buf, *s_authorizer_reply_buf;
+	size_t            s_authorizer_buf_len, s_authorizer_reply_buf_len;
+
+	/* protected by s_cap_lock */
+	spinlock_t        s_cap_lock;
+	u32               s_cap_gen;  /* inc each time we get mds stale msg */
+	unsigned long     s_cap_ttl;  /* when session caps expire */
+	struct list_head  s_caps;     /* all caps issued by this session */
+	int               s_nr_caps, s_trim_caps;
+	int               s_num_cap_releases;
+	struct list_head  s_cap_releases; /* waiting cap_release messages */
+	struct list_head  s_cap_releases_done; /* ready to send */
+	struct ceph_cap  *s_cap_iterator;
+
+	/* protected by mutex */
+	struct list_head  s_cap_flushing;     /* inodes w/ flushing caps */
+	struct list_head  s_cap_snaps_flushing;
+	unsigned long     s_renew_requested; /* last time we sent a renew req */
+	u64               s_renew_seq;
+
+	atomic_t          s_ref;
+	struct list_head  s_waiting;  /* waiting requests */
+	struct list_head  s_unsafe;   /* unsafe requests */
+};
+
+/*
+ * modes of choosing which MDS to send a request to
+ */
+enum {
+	USE_ANY_MDS,
+	USE_RANDOM_MDS,
+	USE_AUTH_MDS,   /* prefer authoritative mds for this metadata item */
+};
+
+struct ceph_mds_request;
+struct ceph_mds_client;
+
+/*
+ * request completion callback
+ */
+typedef void (*ceph_mds_request_callback_t) (struct ceph_mds_client *mdsc,
+					     struct ceph_mds_request *req);
+
+/*
+ * an in-flight mds request
+ */
+struct ceph_mds_request {
+	u64 r_tid;                   /* transaction id */
+	struct rb_node r_node;
+
+	int r_op;                    /* mds op code */
+	int r_mds;
+
+	/* operation on what? */
+	struct inode *r_inode;              /* arg1 */
+	struct dentry *r_dentry;            /* arg1 */
+	struct dentry *r_old_dentry;        /* arg2: rename from or link from */
+	char *r_path1, *r_path2;
+	struct ceph_vino r_ino1, r_ino2;
+
+	struct inode *r_locked_dir; /* dir (if any) i_mutex locked by vfs */
+	struct inode *r_target_inode;       /* resulting inode */
+
+	union ceph_mds_request_args r_args;
+	int r_fmode;        /* file mode, if expecting cap */
+
+	/* for choosing which mds to send this request to */
+	int r_direct_mode;
+	u32 r_direct_hash;      /* choose dir frag based on this dentry hash */
+	bool r_direct_is_hash;  /* true if r_direct_hash is valid */
+
+	/* data payload is used for xattr ops */
+	struct page **r_pages;
+	int r_num_pages;
+	int r_data_len;
+
+	/* what caps shall we drop? */
+	int r_inode_drop, r_inode_unless;
+	int r_dentry_drop, r_dentry_unless;
+	int r_old_dentry_drop, r_old_dentry_unless;
+	struct inode *r_old_inode;
+	int r_old_inode_drop, r_old_inode_unless;
+
+	struct ceph_msg  *r_request;  /* original request */
+	struct ceph_msg  *r_reply;
+	struct ceph_mds_reply_info_parsed r_reply_info;
+	int r_err;
+	bool r_aborted;
+
+	unsigned long r_timeout;  /* optional.  jiffies */
+	unsigned long r_started;  /* start time to measure timeout against */
+	unsigned long r_request_started; /* start time for mds request only,
+					    used to measure lease durations */
+
+	/* link unsafe requests to parent directory, for fsync */
+	struct inode	*r_unsafe_dir;
+	struct list_head r_unsafe_dir_item;
+
+	struct ceph_mds_session *r_session;
+
+	int               r_attempts;   /* resend attempts */
+	int               r_num_fwd;    /* number of forward attempts */
+	int               r_num_stale;
+	int               r_resend_mds; /* mds to resend to next, if any*/
+
+	struct kref       r_kref;
+	struct list_head  r_wait;
+	struct completion r_completion;
+	struct completion r_safe_completion;
+	ceph_mds_request_callback_t r_callback;
+	struct list_head  r_unsafe_item;  /* per-session unsafe list item */
+	bool		  r_got_unsafe, r_got_safe;
+
+	bool              r_did_prepopulate;
+	u32               r_readdir_offset;
+
+	struct ceph_cap_reservation r_caps_reservation;
+	int r_num_caps;
+};
+
+/*
+ * mds client state
+ */
+struct ceph_mds_client {
+	struct ceph_client      *client;
+	struct mutex            mutex;         /* all nested structures */
+
+	struct ceph_mdsmap      *mdsmap;
+	struct completion       safe_umount_waiters, session_close_waiters;
+	struct list_head        waiting_for_map;
+
+	struct ceph_mds_session **sessions;    /* NULL for mds if no session */
+	int                     max_sessions;  /* len of s_mds_sessions */
+	int                     stopping;      /* true if shutting down */
+
+	/*
+	 * snap_rwsem will cover cap linkage into snaprealms, and
+	 * realm snap contexts.  (later, we can do per-realm snap
+	 * contexts locks..)  the empty list contains realms with no
+	 * references (implying they contain no inodes with caps) that
+	 * should be destroyed.
+	 */
+	struct rw_semaphore     snap_rwsem;
+	struct rb_root          snap_realms;
+	struct list_head        snap_empty;
+	spinlock_t              snap_empty_lock;  /* protect snap_empty */
+
+	u64                    last_tid;      /* most recent mds request */
+	struct rb_root         request_tree;  /* pending mds requests */
+	struct delayed_work    delayed_work;  /* delayed work */
+	unsigned long    last_renew_caps;  /* last time we renewed our caps */
+	struct list_head cap_delay_list;   /* caps with delayed release */
+	spinlock_t       cap_delay_lock;   /* protects cap_delay_list */
+	struct list_head snap_flush_list;  /* cap_snaps ready to flush */
+	spinlock_t       snap_flush_lock;
+
+	u64               cap_flush_seq;
+	struct list_head  cap_dirty;        /* inodes with dirty caps */
+	int               num_cap_flushing; /* # caps we are flushing */
+	spinlock_t        cap_dirty_lock;   /* protects above items */
+	wait_queue_head_t cap_flushing_wq;
+
+#ifdef CONFIG_DEBUG_FS
+	struct dentry 	  *debugfs_file;
+#endif
+
+	spinlock_t	  dentry_lru_lock;
+	struct list_head  dentry_lru;
+	int		  num_dentry;
+};
+
+extern const char *ceph_mds_op_name(int op);
+
+extern struct ceph_mds_session *
+__ceph_lookup_mds_session(struct ceph_mds_client *, int mds);
+
+static inline struct ceph_mds_session *
+ceph_get_mds_session(struct ceph_mds_session *s)
+{
+	atomic_inc(&s->s_ref);
+	return s;
+}
+
+extern void ceph_put_mds_session(struct ceph_mds_session *s);
+
+extern int ceph_send_msg_mds(struct ceph_mds_client *mdsc,
+			     struct ceph_msg *msg, int mds);
+
+extern int ceph_mdsc_init(struct ceph_mds_client *mdsc,
+			   struct ceph_client *client);
+extern void ceph_mdsc_close_sessions(struct ceph_mds_client *mdsc);
+extern void ceph_mdsc_stop(struct ceph_mds_client *mdsc);
+
+extern void ceph_mdsc_sync(struct ceph_mds_client *mdsc);
+
+extern void ceph_mdsc_lease_release(struct ceph_mds_client *mdsc,
+				    struct inode *inode,
+				    struct dentry *dn, int mask);
+
+extern struct ceph_mds_request *
+ceph_mdsc_create_request(struct ceph_mds_client *mdsc, int op, int mode);
+extern void ceph_mdsc_submit_request(struct ceph_mds_client *mdsc,
+				     struct ceph_mds_request *req);
+extern int ceph_mdsc_do_request(struct ceph_mds_client *mdsc,
+				struct inode *dir,
+				struct ceph_mds_request *req);
+static inline void ceph_mdsc_get_request(struct ceph_mds_request *req)
+{
+	kref_get(&req->r_kref);
+}
+extern void ceph_mdsc_release_request(struct kref *kref);
+static inline void ceph_mdsc_put_request(struct ceph_mds_request *req)
+{
+	kref_put(&req->r_kref, ceph_mdsc_release_request);
+}
+
+extern void ceph_mdsc_pre_umount(struct ceph_mds_client *mdsc);
+
+extern char *ceph_mdsc_build_path(struct dentry *dentry, int *plen, u64 *base,
+				  int stop_on_nosnap);
+
+extern void __ceph_mdsc_drop_dentry_lease(struct dentry *dentry);
+extern void ceph_mdsc_lease_send_msg(struct ceph_mds_session *session,
+				     struct inode *inode,
+				     struct dentry *dentry, char action,
+				     u32 seq);
+
+extern void ceph_mdsc_handle_map(struct ceph_mds_client *mdsc,
+				 struct ceph_msg *msg);
+
+#endif
diff --git a/fs/ceph/mdsmap.c b/fs/ceph/mdsmap.c
new file mode 100644
index 000000000000..c4c498e6dfef
--- /dev/null
+++ b/fs/ceph/mdsmap.c
@@ -0,0 +1,174 @@
+#include "ceph_debug.h"
+
+#include <linux/bug.h>
+#include <linux/err.h>
+#include <linux/random.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+
+#include "mdsmap.h"
+#include "messenger.h"
+#include "decode.h"
+
+#include "super.h"
+
+
+/*
+ * choose a random mds that is "up" (i.e. has a state > 0), or -1.
+ */
+int ceph_mdsmap_get_random_mds(struct ceph_mdsmap *m)
+{
+	int n = 0;
+	int i;
+	char r;
+
+	/* count */
+	for (i = 0; i < m->m_max_mds; i++)
+		if (m->m_info[i].state > 0)
+			n++;
+	if (n == 0)
+		return -1;
+
+	/* pick */
+	get_random_bytes(&r, 1);
+	n = r % n;
+	i = 0;
+	for (i = 0; n > 0; i++, n--)
+		while (m->m_info[i].state <= 0)
+			i++;
+
+	return i;
+}
+
+/*
+ * Decode an MDS map
+ *
+ * Ignore any fields we don't care about (there are quite a few of
+ * them).
+ */
+struct ceph_mdsmap *ceph_mdsmap_decode(void **p, void *end)
+{
+	struct ceph_mdsmap *m;
+	const void *start = *p;
+	int i, j, n;
+	int err = -EINVAL;
+	u16 version;
+
+	m = kzalloc(sizeof(*m), GFP_NOFS);
+	if (m == NULL)
+		return ERR_PTR(-ENOMEM);
+
+	ceph_decode_16_safe(p, end, version, bad);
+
+	ceph_decode_need(p, end, 8*sizeof(u32) + sizeof(u64), bad);
+	m->m_epoch = ceph_decode_32(p);
+	m->m_client_epoch = ceph_decode_32(p);
+	m->m_last_failure = ceph_decode_32(p);
+	m->m_root = ceph_decode_32(p);
+	m->m_session_timeout = ceph_decode_32(p);
+	m->m_session_autoclose = ceph_decode_32(p);
+	m->m_max_file_size = ceph_decode_64(p);
+	m->m_max_mds = ceph_decode_32(p);
+
+	m->m_info = kcalloc(m->m_max_mds, sizeof(*m->m_info), GFP_NOFS);
+	if (m->m_info == NULL)
+		goto badmem;
+
+	/* pick out active nodes from mds_info (state > 0) */
+	n = ceph_decode_32(p);
+	for (i = 0; i < n; i++) {
+		u64 global_id;
+		u32 namelen;
+		s32 mds, inc, state;
+		u64 state_seq;
+		u8 infoversion;
+		struct ceph_entity_addr addr;
+		u32 num_export_targets;
+		void *pexport_targets = NULL;
+
+		ceph_decode_need(p, end, sizeof(u64)*2 + 1 + sizeof(u32), bad);
+		global_id = ceph_decode_64(p);
+		infoversion = ceph_decode_8(p);
+		*p += sizeof(u64);
+		namelen = ceph_decode_32(p);  /* skip mds name */
+		*p += namelen;
+
+		ceph_decode_need(p, end,
+				 4*sizeof(u32) + sizeof(u64) +
+				 sizeof(addr) + sizeof(struct ceph_timespec),
+				 bad);
+		mds = ceph_decode_32(p);
+		inc = ceph_decode_32(p);
+		state = ceph_decode_32(p);
+		state_seq = ceph_decode_64(p);
+		ceph_decode_copy(p, &addr, sizeof(addr));
+		ceph_decode_addr(&addr);
+		*p += sizeof(struct ceph_timespec);
+		*p += sizeof(u32);
+		ceph_decode_32_safe(p, end, namelen, bad);
+		*p += namelen;
+		if (infoversion >= 2) {
+			ceph_decode_32_safe(p, end, num_export_targets, bad);
+			pexport_targets = *p;
+			*p += num_export_targets * sizeof(u32);
+		} else {
+			num_export_targets = 0;
+		}
+
+		dout("mdsmap_decode %d/%d %lld mds%d.%d %s %s\n",
+		     i+1, n, global_id, mds, inc, pr_addr(&addr.in_addr),
+		     ceph_mds_state_name(state));
+		if (mds >= 0 && mds < m->m_max_mds && state > 0) {
+			m->m_info[mds].global_id = global_id;
+			m->m_info[mds].state = state;
+			m->m_info[mds].addr = addr;
+			m->m_info[mds].num_export_targets = num_export_targets;
+			if (num_export_targets) {
+				m->m_info[mds].export_targets =
+					kcalloc(num_export_targets, sizeof(u32),
+						GFP_NOFS);
+				for (j = 0; j < num_export_targets; j++)
+					m->m_info[mds].export_targets[j] =
+					       ceph_decode_32(&pexport_targets);
+			} else {
+				m->m_info[mds].export_targets = NULL;
+			}
+		}
+	}
+
+	/* pg_pools */
+	ceph_decode_32_safe(p, end, n, bad);
+	m->m_num_data_pg_pools = n;
+	m->m_data_pg_pools = kcalloc(n, sizeof(u32), GFP_NOFS);
+	if (!m->m_data_pg_pools)
+		goto badmem;
+	ceph_decode_need(p, end, sizeof(u32)*(n+1), bad);
+	for (i = 0; i < n; i++)
+		m->m_data_pg_pools[i] = ceph_decode_32(p);
+	m->m_cas_pg_pool = ceph_decode_32(p);
+
+	/* ok, we don't care about the rest. */
+	dout("mdsmap_decode success epoch %u\n", m->m_epoch);
+	return m;
+
+badmem:
+	err = -ENOMEM;
+bad:
+	pr_err("corrupt mdsmap\n");
+	print_hex_dump(KERN_DEBUG, "mdsmap: ",
+		       DUMP_PREFIX_OFFSET, 16, 1,
+		       start, end - start, true);
+	ceph_mdsmap_destroy(m);
+	return ERR_PTR(-EINVAL);
+}
+
+void ceph_mdsmap_destroy(struct ceph_mdsmap *m)
+{
+	int i;
+
+	for (i = 0; i < m->m_max_mds; i++)
+		kfree(m->m_info[i].export_targets);
+	kfree(m->m_info);
+	kfree(m->m_data_pg_pools);
+	kfree(m);
+}
diff --git a/fs/ceph/mdsmap.h b/fs/ceph/mdsmap.h
new file mode 100644
index 000000000000..eacc131aa5cb
--- /dev/null
+++ b/fs/ceph/mdsmap.h
@@ -0,0 +1,54 @@
+#ifndef _FS_CEPH_MDSMAP_H
+#define _FS_CEPH_MDSMAP_H
+
+#include "types.h"
+
+/*
+ * mds map - describe servers in the mds cluster.
+ *
+ * we limit fields to those the client actually xcares about
+ */
+struct ceph_mds_info {
+	u64 global_id;
+	struct ceph_entity_addr addr;
+	s32 state;
+	int num_export_targets;
+	u32 *export_targets;
+};
+
+struct ceph_mdsmap {
+	u32 m_epoch, m_client_epoch, m_last_failure;
+	u32 m_root;
+	u32 m_session_timeout;          /* seconds */
+	u32 m_session_autoclose;        /* seconds */
+	u64 m_max_file_size;
+	u32 m_max_mds;                  /* size of m_addr, m_state arrays */
+	struct ceph_mds_info *m_info;
+
+	/* which object pools file data can be stored in */
+	int m_num_data_pg_pools;
+	u32 *m_data_pg_pools;
+	u32 m_cas_pg_pool;
+};
+
+static inline struct ceph_entity_addr *
+ceph_mdsmap_get_addr(struct ceph_mdsmap *m, int w)
+{
+	if (w >= m->m_max_mds)
+		return NULL;
+	return &m->m_info[w].addr;
+}
+
+static inline int ceph_mdsmap_get_state(struct ceph_mdsmap *m, int w)
+{
+	BUG_ON(w < 0);
+	if (w >= m->m_max_mds)
+		return CEPH_MDS_STATE_DNE;
+	return m->m_info[w].state;
+}
+
+extern int ceph_mdsmap_get_random_mds(struct ceph_mdsmap *m);
+extern struct ceph_mdsmap *ceph_mdsmap_decode(void **p, void *end);
+extern void ceph_mdsmap_destroy(struct ceph_mdsmap *m);
+
+#endif
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
new file mode 100644
index 000000000000..a32f0f896d9f
--- /dev/null
+++ b/fs/ceph/messenger.c
@@ -0,0 +1,2239 @@
+#include "ceph_debug.h"
+
+#include <linux/crc32c.h>
+#include <linux/ctype.h>
+#include <linux/highmem.h>
+#include <linux/inet.h>
+#include <linux/kthread.h>
+#include <linux/net.h>
+#include <linux/socket.h>
+#include <linux/string.h>
+#include <net/tcp.h>
+
+#include "super.h"
+#include "messenger.h"
+#include "decode.h"
+#include "pagelist.h"
+
+/*
+ * Ceph uses the messenger to exchange ceph_msg messages with other
+ * hosts in the system.  The messenger provides ordered and reliable
+ * delivery.  We tolerate TCP disconnects by reconnecting (with
+ * exponential backoff) in the case of a fault (disconnection, bad
+ * crc, protocol error).  Acks allow sent messages to be discarded by
+ * the sender.
+ */
+
+/* static tag bytes (protocol control messages) */
+static char tag_msg = CEPH_MSGR_TAG_MSG;
+static char tag_ack = CEPH_MSGR_TAG_ACK;
+static char tag_keepalive = CEPH_MSGR_TAG_KEEPALIVE;
+
+
+static void queue_con(struct ceph_connection *con);
+static void con_work(struct work_struct *);
+static void ceph_fault(struct ceph_connection *con);
+
+const char *ceph_name_type_str(int t)
+{
+	switch (t) {
+	case CEPH_ENTITY_TYPE_MON: return "mon";
+	case CEPH_ENTITY_TYPE_MDS: return "mds";
+	case CEPH_ENTITY_TYPE_OSD: return "osd";
+	case CEPH_ENTITY_TYPE_CLIENT: return "client";
+	case CEPH_ENTITY_TYPE_ADMIN: return "admin";
+	default: return "???";
+	}
+}
+
+/*
+ * nicely render a sockaddr as a string.
+ */
+#define MAX_ADDR_STR 20
+static char addr_str[MAX_ADDR_STR][40];
+static DEFINE_SPINLOCK(addr_str_lock);
+static int last_addr_str;
+
+const char *pr_addr(const struct sockaddr_storage *ss)
+{
+	int i;
+	char *s;
+	struct sockaddr_in *in4 = (void *)ss;
+	unsigned char *quad = (void *)&in4->sin_addr.s_addr;
+	struct sockaddr_in6 *in6 = (void *)ss;
+
+	spin_lock(&addr_str_lock);
+	i = last_addr_str++;
+	if (last_addr_str == MAX_ADDR_STR)
+		last_addr_str = 0;
+	spin_unlock(&addr_str_lock);
+	s = addr_str[i];
+
+	switch (ss->ss_family) {
+	case AF_INET:
+		sprintf(s, "%u.%u.%u.%u:%u",
+			(unsigned int)quad[0],
+			(unsigned int)quad[1],
+			(unsigned int)quad[2],
+			(unsigned int)quad[3],
+			(unsigned int)ntohs(in4->sin_port));
+		break;
+
+	case AF_INET6:
+		sprintf(s, "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x:%u",
+			in6->sin6_addr.s6_addr16[0],
+			in6->sin6_addr.s6_addr16[1],
+			in6->sin6_addr.s6_addr16[2],
+			in6->sin6_addr.s6_addr16[3],
+			in6->sin6_addr.s6_addr16[4],
+			in6->sin6_addr.s6_addr16[5],
+			in6->sin6_addr.s6_addr16[6],
+			in6->sin6_addr.s6_addr16[7],
+			(unsigned int)ntohs(in6->sin6_port));
+		break;
+
+	default:
+		sprintf(s, "(unknown sockaddr family %d)", (int)ss->ss_family);
+	}
+
+	return s;
+}
+
+static void encode_my_addr(struct ceph_messenger *msgr)
+{
+	memcpy(&msgr->my_enc_addr, &msgr->inst.addr, sizeof(msgr->my_enc_addr));
+	ceph_encode_addr(&msgr->my_enc_addr);
+}
+
+/*
+ * work queue for all reading and writing to/from the socket.
+ */
+struct workqueue_struct *ceph_msgr_wq;
+
+int __init ceph_msgr_init(void)
+{
+	ceph_msgr_wq = create_workqueue("ceph-msgr");
+	if (IS_ERR(ceph_msgr_wq)) {
+		int ret = PTR_ERR(ceph_msgr_wq);
+		pr_err("msgr_init failed to create workqueue: %d\n", ret);
+		ceph_msgr_wq = NULL;
+		return ret;
+	}
+	return 0;
+}
+
+void ceph_msgr_exit(void)
+{
+	destroy_workqueue(ceph_msgr_wq);
+}
+
+/*
+ * socket callback functions
+ */
+
+/* data available on socket, or listen socket received a connect */
+static void ceph_data_ready(struct sock *sk, int count_unused)
+{
+	struct ceph_connection *con =
+		(struct ceph_connection *)sk->sk_user_data;
+	if (sk->sk_state != TCP_CLOSE_WAIT) {
+		dout("ceph_data_ready on %p state = %lu, queueing work\n",
+		     con, con->state);
+		queue_con(con);
+	}
+}
+
+/* socket has buffer space for writing */
+static void ceph_write_space(struct sock *sk)
+{
+	struct ceph_connection *con =
+		(struct ceph_connection *)sk->sk_user_data;
+
+	/* only queue to workqueue if there is data we want to write. */
+	if (test_bit(WRITE_PENDING, &con->state)) {
+		dout("ceph_write_space %p queueing write work\n", con);
+		queue_con(con);
+	} else {
+		dout("ceph_write_space %p nothing to write\n", con);
+	}
+
+	/* since we have our own write_space, clear the SOCK_NOSPACE flag */
+	clear_bit(SOCK_NOSPACE, &sk->sk_socket->flags);
+}
+
+/* socket's state has changed */
+static void ceph_state_change(struct sock *sk)
+{
+	struct ceph_connection *con =
+		(struct ceph_connection *)sk->sk_user_data;
+
+	dout("ceph_state_change %p state = %lu sk_state = %u\n",
+	     con, con->state, sk->sk_state);
+
+	if (test_bit(CLOSED, &con->state))
+		return;
+
+	switch (sk->sk_state) {
+	case TCP_CLOSE:
+		dout("ceph_state_change TCP_CLOSE\n");
+	case TCP_CLOSE_WAIT:
+		dout("ceph_state_change TCP_CLOSE_WAIT\n");
+		if (test_and_set_bit(SOCK_CLOSED, &con->state) == 0) {
+			if (test_bit(CONNECTING, &con->state))
+				con->error_msg = "connection failed";
+			else
+				con->error_msg = "socket closed";
+			queue_con(con);
+		}
+		break;
+	case TCP_ESTABLISHED:
+		dout("ceph_state_change TCP_ESTABLISHED\n");
+		queue_con(con);
+		break;
+	}
+}
+
+/*
+ * set up socket callbacks
+ */
+static void set_sock_callbacks(struct socket *sock,
+			       struct ceph_connection *con)
+{
+	struct sock *sk = sock->sk;
+	sk->sk_user_data = (void *)con;
+	sk->sk_data_ready = ceph_data_ready;
+	sk->sk_write_space = ceph_write_space;
+	sk->sk_state_change = ceph_state_change;
+}
+
+
+/*
+ * socket helpers
+ */
+
+/*
+ * initiate connection to a remote socket.
+ */
+static struct socket *ceph_tcp_connect(struct ceph_connection *con)
+{
+	struct sockaddr *paddr = (struct sockaddr *)&con->peer_addr.in_addr;
+	struct socket *sock;
+	int ret;
+
+	BUG_ON(con->sock);
+	ret = sock_create_kern(AF_INET, SOCK_STREAM, IPPROTO_TCP, &sock);
+	if (ret)
+		return ERR_PTR(ret);
+	con->sock = sock;
+	sock->sk->sk_allocation = GFP_NOFS;
+
+	set_sock_callbacks(sock, con);
+
+	dout("connect %s\n", pr_addr(&con->peer_addr.in_addr));
+
+	ret = sock->ops->connect(sock, paddr, sizeof(*paddr), O_NONBLOCK);
+	if (ret == -EINPROGRESS) {
+		dout("connect %s EINPROGRESS sk_state = %u\n",
+		     pr_addr(&con->peer_addr.in_addr),
+		     sock->sk->sk_state);
+		ret = 0;
+	}
+	if (ret < 0) {
+		pr_err("connect %s error %d\n",
+		       pr_addr(&con->peer_addr.in_addr), ret);
+		sock_release(sock);
+		con->sock = NULL;
+		con->error_msg = "connect error";
+	}
+
+	if (ret < 0)
+		return ERR_PTR(ret);
+	return sock;
+}
+
+static int ceph_tcp_recvmsg(struct socket *sock, void *buf, size_t len)
+{
+	struct kvec iov = {buf, len};
+	struct msghdr msg = { .msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL };
+
+	return kernel_recvmsg(sock, &msg, &iov, 1, len, msg.msg_flags);
+}
+
+/*
+ * write something.  @more is true if caller will be sending more data
+ * shortly.
+ */
+static int ceph_tcp_sendmsg(struct socket *sock, struct kvec *iov,
+		     size_t kvlen, size_t len, int more)
+{
+	struct msghdr msg = { .msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL };
+
+	if (more)
+		msg.msg_flags |= MSG_MORE;
+	else
+		msg.msg_flags |= MSG_EOR;  /* superfluous, but what the hell */
+
+	return kernel_sendmsg(sock, &msg, iov, kvlen, len);
+}
+
+
+/*
+ * Shutdown/close the socket for the given connection.
+ */
+static int con_close_socket(struct ceph_connection *con)
+{
+	int rc;
+
+	dout("con_close_socket on %p sock %p\n", con, con->sock);
+	if (!con->sock)
+		return 0;
+	set_bit(SOCK_CLOSED, &con->state);
+	rc = con->sock->ops->shutdown(con->sock, SHUT_RDWR);
+	sock_release(con->sock);
+	con->sock = NULL;
+	clear_bit(SOCK_CLOSED, &con->state);
+	return rc;
+}
+
+/*
+ * Reset a connection.  Discard all incoming and outgoing messages
+ * and clear *_seq state.
+ */
+static void ceph_msg_remove(struct ceph_msg *msg)
+{
+	list_del_init(&msg->list_head);
+	ceph_msg_put(msg);
+}
+static void ceph_msg_remove_list(struct list_head *head)
+{
+	while (!list_empty(head)) {
+		struct ceph_msg *msg = list_first_entry(head, struct ceph_msg,
+							list_head);
+		ceph_msg_remove(msg);
+	}
+}
+
+static void reset_connection(struct ceph_connection *con)
+{
+	/* reset connection, out_queue, msg_ and connect_seq */
+	/* discard existing out_queue and msg_seq */
+	ceph_msg_remove_list(&con->out_queue);
+	ceph_msg_remove_list(&con->out_sent);
+
+	if (con->in_msg) {
+		ceph_msg_put(con->in_msg);
+		con->in_msg = NULL;
+	}
+
+	con->connect_seq = 0;
+	con->out_seq = 0;
+	if (con->out_msg) {
+		ceph_msg_put(con->out_msg);
+		con->out_msg = NULL;
+	}
+	con->in_seq = 0;
+}
+
+/*
+ * mark a peer down.  drop any open connections.
+ */
+void ceph_con_close(struct ceph_connection *con)
+{
+	dout("con_close %p peer %s\n", con, pr_addr(&con->peer_addr.in_addr));
+	set_bit(CLOSED, &con->state);  /* in case there's queued work */
+	clear_bit(STANDBY, &con->state);  /* avoid connect_seq bump */
+	clear_bit(LOSSYTX, &con->state);  /* so we retry next connect */
+	clear_bit(KEEPALIVE_PENDING, &con->state);
+	clear_bit(WRITE_PENDING, &con->state);
+	mutex_lock(&con->mutex);
+	reset_connection(con);
+	cancel_delayed_work(&con->work);
+	mutex_unlock(&con->mutex);
+	queue_con(con);
+}
+
+/*
+ * Reopen a closed connection, with a new peer address.
+ */
+void ceph_con_open(struct ceph_connection *con, struct ceph_entity_addr *addr)
+{
+	dout("con_open %p %s\n", con, pr_addr(&addr->in_addr));
+	set_bit(OPENING, &con->state);
+	clear_bit(CLOSED, &con->state);
+	memcpy(&con->peer_addr, addr, sizeof(*addr));
+	con->delay = 0;      /* reset backoff memory */
+	queue_con(con);
+}
+
+/*
+ * return true if this connection ever successfully opened
+ */
+bool ceph_con_opened(struct ceph_connection *con)
+{
+	return con->connect_seq > 0;
+}
+
+/*
+ * generic get/put
+ */
+struct ceph_connection *ceph_con_get(struct ceph_connection *con)
+{
+	dout("con_get %p nref = %d -> %d\n", con,
+	     atomic_read(&con->nref), atomic_read(&con->nref) + 1);
+	if (atomic_inc_not_zero(&con->nref))
+		return con;
+	return NULL;
+}
+
+void ceph_con_put(struct ceph_connection *con)
+{
+	dout("con_put %p nref = %d -> %d\n", con,
+	     atomic_read(&con->nref), atomic_read(&con->nref) - 1);
+	BUG_ON(atomic_read(&con->nref) == 0);
+	if (atomic_dec_and_test(&con->nref)) {
+		BUG_ON(con->sock);
+		kfree(con);
+	}
+}
+
+/*
+ * initialize a new connection.
+ */
+void ceph_con_init(struct ceph_messenger *msgr, struct ceph_connection *con)
+{
+	dout("con_init %p\n", con);
+	memset(con, 0, sizeof(*con));
+	atomic_set(&con->nref, 1);
+	con->msgr = msgr;
+	mutex_init(&con->mutex);
+	INIT_LIST_HEAD(&con->out_queue);
+	INIT_LIST_HEAD(&con->out_sent);
+	INIT_DELAYED_WORK(&con->work, con_work);
+}
+
+
+/*
+ * We maintain a global counter to order connection attempts.  Get
+ * a unique seq greater than @gt.
+ */
+static u32 get_global_seq(struct ceph_messenger *msgr, u32 gt)
+{
+	u32 ret;
+
+	spin_lock(&msgr->global_seq_lock);
+	if (msgr->global_seq < gt)
+		msgr->global_seq = gt;
+	ret = ++msgr->global_seq;
+	spin_unlock(&msgr->global_seq_lock);
+	return ret;
+}
+
+
+/*
+ * Prepare footer for currently outgoing message, and finish things
+ * off.  Assumes out_kvec* are already valid.. we just add on to the end.
+ */
+static void prepare_write_message_footer(struct ceph_connection *con, int v)
+{
+	struct ceph_msg *m = con->out_msg;
+
+	dout("prepare_write_message_footer %p\n", con);
+	con->out_kvec_is_msg = true;
+	con->out_kvec[v].iov_base = &m->footer;
+	con->out_kvec[v].iov_len = sizeof(m->footer);
+	con->out_kvec_bytes += sizeof(m->footer);
+	con->out_kvec_left++;
+	con->out_more = m->more_to_follow;
+	con->out_msg_done = true;
+}
+
+/*
+ * Prepare headers for the next outgoing message.
+ */
+static void prepare_write_message(struct ceph_connection *con)
+{
+	struct ceph_msg *m;
+	int v = 0;
+
+	con->out_kvec_bytes = 0;
+	con->out_kvec_is_msg = true;
+	con->out_msg_done = false;
+
+	/* Sneak an ack in there first?  If we can get it into the same
+	 * TCP packet that's a good thing. */
+	if (con->in_seq > con->in_seq_acked) {
+		con->in_seq_acked = con->in_seq;
+		con->out_kvec[v].iov_base = &tag_ack;
+		con->out_kvec[v++].iov_len = 1;
+		con->out_temp_ack = cpu_to_le64(con->in_seq_acked);
+		con->out_kvec[v].iov_base = &con->out_temp_ack;
+		con->out_kvec[v++].iov_len = sizeof(con->out_temp_ack);
+		con->out_kvec_bytes = 1 + sizeof(con->out_temp_ack);
+	}
+
+	m = list_first_entry(&con->out_queue,
+		       struct ceph_msg, list_head);
+	con->out_msg = m;
+	if (test_bit(LOSSYTX, &con->state)) {
+		list_del_init(&m->list_head);
+	} else {
+		/* put message on sent list */
+		ceph_msg_get(m);
+		list_move_tail(&m->list_head, &con->out_sent);
+	}
+
+	m->hdr.seq = cpu_to_le64(++con->out_seq);
+
+	dout("prepare_write_message %p seq %lld type %d len %d+%d+%d %d pgs\n",
+	     m, con->out_seq, le16_to_cpu(m->hdr.type),
+	     le32_to_cpu(m->hdr.front_len), le32_to_cpu(m->hdr.middle_len),
+	     le32_to_cpu(m->hdr.data_len),
+	     m->nr_pages);
+	BUG_ON(le32_to_cpu(m->hdr.front_len) != m->front.iov_len);
+
+	/* tag + hdr + front + middle */
+	con->out_kvec[v].iov_base = &tag_msg;
+	con->out_kvec[v++].iov_len = 1;
+	con->out_kvec[v].iov_base = &m->hdr;
+	con->out_kvec[v++].iov_len = sizeof(m->hdr);
+	con->out_kvec[v++] = m->front;
+	if (m->middle)
+		con->out_kvec[v++] = m->middle->vec;
+	con->out_kvec_left = v;
+	con->out_kvec_bytes += 1 + sizeof(m->hdr) + m->front.iov_len +
+		(m->middle ? m->middle->vec.iov_len : 0);
+	con->out_kvec_cur = con->out_kvec;
+
+	/* fill in crc (except data pages), footer */
+	con->out_msg->hdr.crc =
+		cpu_to_le32(crc32c(0, (void *)&m->hdr,
+				      sizeof(m->hdr) - sizeof(m->hdr.crc)));
+	con->out_msg->footer.flags = CEPH_MSG_FOOTER_COMPLETE;
+	con->out_msg->footer.front_crc =
+		cpu_to_le32(crc32c(0, m->front.iov_base, m->front.iov_len));
+	if (m->middle)
+		con->out_msg->footer.middle_crc =
+			cpu_to_le32(crc32c(0, m->middle->vec.iov_base,
+					   m->middle->vec.iov_len));
+	else
+		con->out_msg->footer.middle_crc = 0;
+	con->out_msg->footer.data_crc = 0;
+	dout("prepare_write_message front_crc %u data_crc %u\n",
+	     le32_to_cpu(con->out_msg->footer.front_crc),
+	     le32_to_cpu(con->out_msg->footer.middle_crc));
+
+	/* is there a data payload? */
+	if (le32_to_cpu(m->hdr.data_len) > 0) {
+		/* initialize page iterator */
+		con->out_msg_pos.page = 0;
+		con->out_msg_pos.page_pos =
+			le16_to_cpu(m->hdr.data_off) & ~PAGE_MASK;
+		con->out_msg_pos.data_pos = 0;
+		con->out_msg_pos.did_page_crc = 0;
+		con->out_more = 1;  /* data + footer will follow */
+	} else {
+		/* no, queue up footer too and be done */
+		prepare_write_message_footer(con, v);
+	}
+
+	set_bit(WRITE_PENDING, &con->state);
+}
+
+/*
+ * Prepare an ack.
+ */
+static void prepare_write_ack(struct ceph_connection *con)
+{
+	dout("prepare_write_ack %p %llu -> %llu\n", con,
+	     con->in_seq_acked, con->in_seq);
+	con->in_seq_acked = con->in_seq;
+
+	con->out_kvec[0].iov_base = &tag_ack;
+	con->out_kvec[0].iov_len = 1;
+	con->out_temp_ack = cpu_to_le64(con->in_seq_acked);
+	con->out_kvec[1].iov_base = &con->out_temp_ack;
+	con->out_kvec[1].iov_len = sizeof(con->out_temp_ack);
+	con->out_kvec_left = 2;
+	con->out_kvec_bytes = 1 + sizeof(con->out_temp_ack);
+	con->out_kvec_cur = con->out_kvec;
+	con->out_more = 1;  /* more will follow.. eventually.. */
+	set_bit(WRITE_PENDING, &con->state);
+}
+
+/*
+ * Prepare to write keepalive byte.
+ */
+static void prepare_write_keepalive(struct ceph_connection *con)
+{
+	dout("prepare_write_keepalive %p\n", con);
+	con->out_kvec[0].iov_base = &tag_keepalive;
+	con->out_kvec[0].iov_len = 1;
+	con->out_kvec_left = 1;
+	con->out_kvec_bytes = 1;
+	con->out_kvec_cur = con->out_kvec;
+	set_bit(WRITE_PENDING, &con->state);
+}
+
+/*
+ * Connection negotiation.
+ */
+
+static void prepare_connect_authorizer(struct ceph_connection *con)
+{
+	void *auth_buf;
+	int auth_len = 0;
+	int auth_protocol = 0;
+
+	mutex_unlock(&con->mutex);
+	if (con->ops->get_authorizer)
+		con->ops->get_authorizer(con, &auth_buf, &auth_len,
+					 &auth_protocol, &con->auth_reply_buf,
+					 &con->auth_reply_buf_len,
+					 con->auth_retry);
+	mutex_lock(&con->mutex);
+
+	con->out_connect.authorizer_protocol = cpu_to_le32(auth_protocol);
+	con->out_connect.authorizer_len = cpu_to_le32(auth_len);
+
+	con->out_kvec[con->out_kvec_left].iov_base = auth_buf;
+	con->out_kvec[con->out_kvec_left].iov_len = auth_len;
+	con->out_kvec_left++;
+	con->out_kvec_bytes += auth_len;
+}
+
+/*
+ * We connected to a peer and are saying hello.
+ */
+static void prepare_write_banner(struct ceph_messenger *msgr,
+				 struct ceph_connection *con)
+{
+	int len = strlen(CEPH_BANNER);
+
+	con->out_kvec[0].iov_base = CEPH_BANNER;
+	con->out_kvec[0].iov_len = len;
+	con->out_kvec[1].iov_base = &msgr->my_enc_addr;
+	con->out_kvec[1].iov_len = sizeof(msgr->my_enc_addr);
+	con->out_kvec_left = 2;
+	con->out_kvec_bytes = len + sizeof(msgr->my_enc_addr);
+	con->out_kvec_cur = con->out_kvec;
+	con->out_more = 0;
+	set_bit(WRITE_PENDING, &con->state);
+}
+
+static void prepare_write_connect(struct ceph_messenger *msgr,
+				  struct ceph_connection *con,
+				  int after_banner)
+{
+	unsigned global_seq = get_global_seq(con->msgr, 0);
+	int proto;
+
+	switch (con->peer_name.type) {
+	case CEPH_ENTITY_TYPE_MON:
+		proto = CEPH_MONC_PROTOCOL;
+		break;
+	case CEPH_ENTITY_TYPE_OSD:
+		proto = CEPH_OSDC_PROTOCOL;
+		break;
+	case CEPH_ENTITY_TYPE_MDS:
+		proto = CEPH_MDSC_PROTOCOL;
+		break;
+	default:
+		BUG();
+	}
+
+	dout("prepare_write_connect %p cseq=%d gseq=%d proto=%d\n", con,
+	     con->connect_seq, global_seq, proto);
+
+	con->out_connect.features = CEPH_FEATURE_SUPPORTED;
+	con->out_connect.host_type = cpu_to_le32(CEPH_ENTITY_TYPE_CLIENT);
+	con->out_connect.connect_seq = cpu_to_le32(con->connect_seq);
+	con->out_connect.global_seq = cpu_to_le32(global_seq);
+	con->out_connect.protocol_version = cpu_to_le32(proto);
+	con->out_connect.flags = 0;
+
+	if (!after_banner) {
+		con->out_kvec_left = 0;
+		con->out_kvec_bytes = 0;
+	}
+	con->out_kvec[con->out_kvec_left].iov_base = &con->out_connect;
+	con->out_kvec[con->out_kvec_left].iov_len = sizeof(con->out_connect);
+	con->out_kvec_left++;
+	con->out_kvec_bytes += sizeof(con->out_connect);
+	con->out_kvec_cur = con->out_kvec;
+	con->out_more = 0;
+	set_bit(WRITE_PENDING, &con->state);
+
+	prepare_connect_authorizer(con);
+}
+
+
+/*
+ * write as much of pending kvecs to the socket as we can.
+ *  1 -> done
+ *  0 -> socket full, but more to do
+ * <0 -> error
+ */
+static int write_partial_kvec(struct ceph_connection *con)
+{
+	int ret;
+
+	dout("write_partial_kvec %p %d left\n", con, con->out_kvec_bytes);
+	while (con->out_kvec_bytes > 0) {
+		ret = ceph_tcp_sendmsg(con->sock, con->out_kvec_cur,
+				       con->out_kvec_left, con->out_kvec_bytes,
+				       con->out_more);
+		if (ret <= 0)
+			goto out;
+		con->out_kvec_bytes -= ret;
+		if (con->out_kvec_bytes == 0)
+			break;            /* done */
+		while (ret > 0) {
+			if (ret >= con->out_kvec_cur->iov_len) {
+				ret -= con->out_kvec_cur->iov_len;
+				con->out_kvec_cur++;
+				con->out_kvec_left--;
+			} else {
+				con->out_kvec_cur->iov_len -= ret;
+				con->out_kvec_cur->iov_base += ret;
+				ret = 0;
+				break;
+			}
+		}
+	}
+	con->out_kvec_left = 0;
+	con->out_kvec_is_msg = false;
+	ret = 1;
+out:
+	dout("write_partial_kvec %p %d left in %d kvecs ret = %d\n", con,
+	     con->out_kvec_bytes, con->out_kvec_left, ret);
+	return ret;  /* done! */
+}
+
+/*
+ * Write as much message data payload as we can.  If we finish, queue
+ * up the footer.
+ *  1 -> done, footer is now queued in out_kvec[].
+ *  0 -> socket full, but more to do
+ * <0 -> error
+ */
+static int write_partial_msg_pages(struct ceph_connection *con)
+{
+	struct ceph_msg *msg = con->out_msg;
+	unsigned data_len = le32_to_cpu(msg->hdr.data_len);
+	size_t len;
+	int crc = con->msgr->nocrc;
+	int ret;
+
+	dout("write_partial_msg_pages %p msg %p page %d/%d offset %d\n",
+	     con, con->out_msg, con->out_msg_pos.page, con->out_msg->nr_pages,
+	     con->out_msg_pos.page_pos);
+
+	while (con->out_msg_pos.page < con->out_msg->nr_pages) {
+		struct page *page = NULL;
+		void *kaddr = NULL;
+
+		/*
+		 * if we are calculating the data crc (the default), we need
+		 * to map the page.  if our pages[] has been revoked, use the
+		 * zero page.
+		 */
+		if (msg->pages) {
+			page = msg->pages[con->out_msg_pos.page];
+			if (crc)
+				kaddr = kmap(page);
+		} else if (msg->pagelist) {
+			page = list_first_entry(&msg->pagelist->head,
+						struct page, lru);
+			if (crc)
+				kaddr = kmap(page);
+		} else {
+			page = con->msgr->zero_page;
+			if (crc)
+				kaddr = page_address(con->msgr->zero_page);
+		}
+		len = min((int)(PAGE_SIZE - con->out_msg_pos.page_pos),
+			  (int)(data_len - con->out_msg_pos.data_pos));
+		if (crc && !con->out_msg_pos.did_page_crc) {
+			void *base = kaddr + con->out_msg_pos.page_pos;
+			u32 tmpcrc = le32_to_cpu(con->out_msg->footer.data_crc);
+
+			BUG_ON(kaddr == NULL);
+			con->out_msg->footer.data_crc =
+				cpu_to_le32(crc32c(tmpcrc, base, len));
+			con->out_msg_pos.did_page_crc = 1;
+		}
+
+		ret = kernel_sendpage(con->sock, page,
+				      con->out_msg_pos.page_pos, len,
+				      MSG_DONTWAIT | MSG_NOSIGNAL |
+				      MSG_MORE);
+
+		if (crc && (msg->pages || msg->pagelist))
+			kunmap(page);
+
+		if (ret <= 0)
+			goto out;
+
+		con->out_msg_pos.data_pos += ret;
+		con->out_msg_pos.page_pos += ret;
+		if (ret == len) {
+			con->out_msg_pos.page_pos = 0;
+			con->out_msg_pos.page++;
+			con->out_msg_pos.did_page_crc = 0;
+			if (msg->pagelist)
+				list_move_tail(&page->lru,
+					       &msg->pagelist->head);
+		}
+	}
+
+	dout("write_partial_msg_pages %p msg %p done\n", con, msg);
+
+	/* prepare and queue up footer, too */
+	if (!crc)
+		con->out_msg->footer.flags |= CEPH_MSG_FOOTER_NOCRC;
+	con->out_kvec_bytes = 0;
+	con->out_kvec_left = 0;
+	con->out_kvec_cur = con->out_kvec;
+	prepare_write_message_footer(con, 0);
+	ret = 1;
+out:
+	return ret;
+}
+
+/*
+ * write some zeros
+ */
+static int write_partial_skip(struct ceph_connection *con)
+{
+	int ret;
+
+	while (con->out_skip > 0) {
+		struct kvec iov = {
+			.iov_base = page_address(con->msgr->zero_page),
+			.iov_len = min(con->out_skip, (int)PAGE_CACHE_SIZE)
+		};
+
+		ret = ceph_tcp_sendmsg(con->sock, &iov, 1, iov.iov_len, 1);
+		if (ret <= 0)
+			goto out;
+		con->out_skip -= ret;
+	}
+	ret = 1;
+out:
+	return ret;
+}
+
+/*
+ * Prepare to read connection handshake, or an ack.
+ */
+static void prepare_read_banner(struct ceph_connection *con)
+{
+	dout("prepare_read_banner %p\n", con);
+	con->in_base_pos = 0;
+}
+
+static void prepare_read_connect(struct ceph_connection *con)
+{
+	dout("prepare_read_connect %p\n", con);
+	con->in_base_pos = 0;
+}
+
+static void prepare_read_ack(struct ceph_connection *con)
+{
+	dout("prepare_read_ack %p\n", con);
+	con->in_base_pos = 0;
+}
+
+static void prepare_read_tag(struct ceph_connection *con)
+{
+	dout("prepare_read_tag %p\n", con);
+	con->in_base_pos = 0;
+	con->in_tag = CEPH_MSGR_TAG_READY;
+}
+
+/*
+ * Prepare to read a message.
+ */
+static int prepare_read_message(struct ceph_connection *con)
+{
+	dout("prepare_read_message %p\n", con);
+	BUG_ON(con->in_msg != NULL);
+	con->in_base_pos = 0;
+	con->in_front_crc = con->in_middle_crc = con->in_data_crc = 0;
+	return 0;
+}
+
+
+static int read_partial(struct ceph_connection *con,
+			int *to, int size, void *object)
+{
+	*to += size;
+	while (con->in_base_pos < *to) {
+		int left = *to - con->in_base_pos;
+		int have = size - left;
+		int ret = ceph_tcp_recvmsg(con->sock, object + have, left);
+		if (ret <= 0)
+			return ret;
+		con->in_base_pos += ret;
+	}
+	return 1;
+}
+
+
+/*
+ * Read all or part of the connect-side handshake on a new connection
+ */
+static int read_partial_banner(struct ceph_connection *con)
+{
+	int ret, to = 0;
+
+	dout("read_partial_banner %p at %d\n", con, con->in_base_pos);
+
+	/* peer's banner */
+	ret = read_partial(con, &to, strlen(CEPH_BANNER), con->in_banner);
+	if (ret <= 0)
+		goto out;
+	ret = read_partial(con, &to, sizeof(con->actual_peer_addr),
+			   &con->actual_peer_addr);
+	if (ret <= 0)
+		goto out;
+	ret = read_partial(con, &to, sizeof(con->peer_addr_for_me),
+			   &con->peer_addr_for_me);
+	if (ret <= 0)
+		goto out;
+out:
+	return ret;
+}
+
+static int read_partial_connect(struct ceph_connection *con)
+{
+	int ret, to = 0;
+
+	dout("read_partial_connect %p at %d\n", con, con->in_base_pos);
+
+	ret = read_partial(con, &to, sizeof(con->in_reply), &con->in_reply);
+	if (ret <= 0)
+		goto out;
+	ret = read_partial(con, &to, le32_to_cpu(con->in_reply.authorizer_len),
+			   con->auth_reply_buf);
+	if (ret <= 0)
+		goto out;
+
+	dout("read_partial_connect %p tag %d, con_seq = %u, g_seq = %u\n",
+	     con, (int)con->in_reply.tag,
+	     le32_to_cpu(con->in_reply.connect_seq),
+	     le32_to_cpu(con->in_reply.global_seq));
+out:
+	return ret;
+
+}
+
+/*
+ * Verify the hello banner looks okay.
+ */
+static int verify_hello(struct ceph_connection *con)
+{
+	if (memcmp(con->in_banner, CEPH_BANNER, strlen(CEPH_BANNER))) {
+		pr_err("connect to %s got bad banner\n",
+		       pr_addr(&con->peer_addr.in_addr));
+		con->error_msg = "protocol error, bad banner";
+		return -1;
+	}
+	return 0;
+}
+
+static bool addr_is_blank(struct sockaddr_storage *ss)
+{
+	switch (ss->ss_family) {
+	case AF_INET:
+		return ((struct sockaddr_in *)ss)->sin_addr.s_addr == 0;
+	case AF_INET6:
+		return
+		     ((struct sockaddr_in6 *)ss)->sin6_addr.s6_addr32[0] == 0 &&
+		     ((struct sockaddr_in6 *)ss)->sin6_addr.s6_addr32[1] == 0 &&
+		     ((struct sockaddr_in6 *)ss)->sin6_addr.s6_addr32[2] == 0 &&
+		     ((struct sockaddr_in6 *)ss)->sin6_addr.s6_addr32[3] == 0;
+	}
+	return false;
+}
+
+static int addr_port(struct sockaddr_storage *ss)
+{
+	switch (ss->ss_family) {
+	case AF_INET:
+		return ntohs(((struct sockaddr_in *)ss)->sin_port);
+	case AF_INET6:
+		return ntohs(((struct sockaddr_in6 *)ss)->sin6_port);
+	}
+	return 0;
+}
+
+static void addr_set_port(struct sockaddr_storage *ss, int p)
+{
+	switch (ss->ss_family) {
+	case AF_INET:
+		((struct sockaddr_in *)ss)->sin_port = htons(p);
+	case AF_INET6:
+		((struct sockaddr_in6 *)ss)->sin6_port = htons(p);
+	}
+}
+
+/*
+ * Parse an ip[:port] list into an addr array.  Use the default
+ * monitor port if a port isn't specified.
+ */
+int ceph_parse_ips(const char *c, const char *end,
+		   struct ceph_entity_addr *addr,
+		   int max_count, int *count)
+{
+	int i;
+	const char *p = c;
+
+	dout("parse_ips on '%.*s'\n", (int)(end-c), c);
+	for (i = 0; i < max_count; i++) {
+		const char *ipend;
+		struct sockaddr_storage *ss = &addr[i].in_addr;
+		struct sockaddr_in *in4 = (void *)ss;
+		struct sockaddr_in6 *in6 = (void *)ss;
+		int port;
+
+		memset(ss, 0, sizeof(*ss));
+		if (in4_pton(p, end - p, (u8 *)&in4->sin_addr.s_addr,
+			     ',', &ipend)) {
+			ss->ss_family = AF_INET;
+		} else if (in6_pton(p, end - p, (u8 *)&in6->sin6_addr.s6_addr,
+				    ',', &ipend)) {
+			ss->ss_family = AF_INET6;
+		} else {
+			goto bad;
+		}
+		p = ipend;
+
+		/* port? */
+		if (p < end && *p == ':') {
+			port = 0;
+			p++;
+			while (p < end && *p >= '0' && *p <= '9') {
+				port = (port * 10) + (*p - '0');
+				p++;
+			}
+			if (port > 65535 || port == 0)
+				goto bad;
+		} else {
+			port = CEPH_MON_PORT;
+		}
+
+		addr_set_port(ss, port);
+
+		dout("parse_ips got %s\n", pr_addr(ss));
+
+		if (p == end)
+			break;
+		if (*p != ',')
+			goto bad;
+		p++;
+	}
+
+	if (p != end)
+		goto bad;
+
+	if (count)
+		*count = i + 1;
+	return 0;
+
+bad:
+	pr_err("parse_ips bad ip '%s'\n", c);
+	return -EINVAL;
+}
+
+static int process_banner(struct ceph_connection *con)
+{
+	dout("process_banner on %p\n", con);
+
+	if (verify_hello(con) < 0)
+		return -1;
+
+	ceph_decode_addr(&con->actual_peer_addr);
+	ceph_decode_addr(&con->peer_addr_for_me);
+
+	/*
+	 * Make sure the other end is who we wanted.  note that the other
+	 * end may not yet know their ip address, so if it's 0.0.0.0, give
+	 * them the benefit of the doubt.
+	 */
+	if (memcmp(&con->peer_addr, &con->actual_peer_addr,
+		   sizeof(con->peer_addr)) != 0 &&
+	    !(addr_is_blank(&con->actual_peer_addr.in_addr) &&
+	      con->actual_peer_addr.nonce == con->peer_addr.nonce)) {
+		pr_warning("wrong peer, want %s/%lld, got %s/%lld\n",
+			   pr_addr(&con->peer_addr.in_addr),
+			   le64_to_cpu(con->peer_addr.nonce),
+			   pr_addr(&con->actual_peer_addr.in_addr),
+			   le64_to_cpu(con->actual_peer_addr.nonce));
+		con->error_msg = "wrong peer at address";
+		return -1;
+	}
+
+	/*
+	 * did we learn our address?
+	 */
+	if (addr_is_blank(&con->msgr->inst.addr.in_addr)) {
+		int port = addr_port(&con->msgr->inst.addr.in_addr);
+
+		memcpy(&con->msgr->inst.addr.in_addr,
+		       &con->peer_addr_for_me.in_addr,
+		       sizeof(con->peer_addr_for_me.in_addr));
+		addr_set_port(&con->msgr->inst.addr.in_addr, port);
+		encode_my_addr(con->msgr);
+		dout("process_banner learned my addr is %s\n",
+		     pr_addr(&con->msgr->inst.addr.in_addr));
+	}
+
+	set_bit(NEGOTIATING, &con->state);
+	prepare_read_connect(con);
+	return 0;
+}
+
+static void fail_protocol(struct ceph_connection *con)
+{
+	reset_connection(con);
+	set_bit(CLOSED, &con->state);  /* in case there's queued work */
+
+	mutex_unlock(&con->mutex);
+	if (con->ops->bad_proto)
+		con->ops->bad_proto(con);
+	mutex_lock(&con->mutex);
+}
+
+static int process_connect(struct ceph_connection *con)
+{
+	u64 sup_feat = CEPH_FEATURE_SUPPORTED;
+	u64 req_feat = CEPH_FEATURE_REQUIRED;
+	u64 server_feat = le64_to_cpu(con->in_reply.features);
+
+	dout("process_connect on %p tag %d\n", con, (int)con->in_tag);
+
+	switch (con->in_reply.tag) {
+	case CEPH_MSGR_TAG_FEATURES:
+		pr_err("%s%lld %s feature set mismatch,"
+		       " my %llx < server's %llx, missing %llx\n",
+		       ENTITY_NAME(con->peer_name),
+		       pr_addr(&con->peer_addr.in_addr),
+		       sup_feat, server_feat, server_feat & ~sup_feat);
+		con->error_msg = "missing required protocol features";
+		fail_protocol(con);
+		return -1;
+
+	case CEPH_MSGR_TAG_BADPROTOVER:
+		pr_err("%s%lld %s protocol version mismatch,"
+		       " my %d != server's %d\n",
+		       ENTITY_NAME(con->peer_name),
+		       pr_addr(&con->peer_addr.in_addr),
+		       le32_to_cpu(con->out_connect.protocol_version),
+		       le32_to_cpu(con->in_reply.protocol_version));
+		con->error_msg = "protocol version mismatch";
+		fail_protocol(con);
+		return -1;
+
+	case CEPH_MSGR_TAG_BADAUTHORIZER:
+		con->auth_retry++;
+		dout("process_connect %p got BADAUTHORIZER attempt %d\n", con,
+		     con->auth_retry);
+		if (con->auth_retry == 2) {
+			con->error_msg = "connect authorization failure";
+			reset_connection(con);
+			set_bit(CLOSED, &con->state);
+			return -1;
+		}
+		con->auth_retry = 1;
+		prepare_write_connect(con->msgr, con, 0);
+		prepare_read_connect(con);
+		break;
+
+	case CEPH_MSGR_TAG_RESETSESSION:
+		/*
+		 * If we connected with a large connect_seq but the peer
+		 * has no record of a session with us (no connection, or
+		 * connect_seq == 0), they will send RESETSESION to indicate
+		 * that they must have reset their session, and may have
+		 * dropped messages.
+		 */
+		dout("process_connect got RESET peer seq %u\n",
+		     le32_to_cpu(con->in_connect.connect_seq));
+		pr_err("%s%lld %s connection reset\n",
+		       ENTITY_NAME(con->peer_name),
+		       pr_addr(&con->peer_addr.in_addr));
+		reset_connection(con);
+		prepare_write_connect(con->msgr, con, 0);
+		prepare_read_connect(con);
+
+		/* Tell ceph about it. */
+		mutex_unlock(&con->mutex);
+		pr_info("reset on %s%lld\n", ENTITY_NAME(con->peer_name));
+		if (con->ops->peer_reset)
+			con->ops->peer_reset(con);
+		mutex_lock(&con->mutex);
+		break;
+
+	case CEPH_MSGR_TAG_RETRY_SESSION:
+		/*
+		 * If we sent a smaller connect_seq than the peer has, try
+		 * again with a larger value.
+		 */
+		dout("process_connect got RETRY my seq = %u, peer_seq = %u\n",
+		     le32_to_cpu(con->out_connect.connect_seq),
+		     le32_to_cpu(con->in_connect.connect_seq));
+		con->connect_seq = le32_to_cpu(con->in_connect.connect_seq);
+		prepare_write_connect(con->msgr, con, 0);
+		prepare_read_connect(con);
+		break;
+
+	case CEPH_MSGR_TAG_RETRY_GLOBAL:
+		/*
+		 * If we sent a smaller global_seq than the peer has, try
+		 * again with a larger value.
+		 */
+		dout("process_connect got RETRY_GLOBAL my %u peer_gseq %u\n",
+		     con->peer_global_seq,
+		     le32_to_cpu(con->in_connect.global_seq));
+		get_global_seq(con->msgr,
+			       le32_to_cpu(con->in_connect.global_seq));
+		prepare_write_connect(con->msgr, con, 0);
+		prepare_read_connect(con);
+		break;
+
+	case CEPH_MSGR_TAG_READY:
+		if (req_feat & ~server_feat) {
+			pr_err("%s%lld %s protocol feature mismatch,"
+			       " my required %llx > server's %llx, need %llx\n",
+			       ENTITY_NAME(con->peer_name),
+			       pr_addr(&con->peer_addr.in_addr),
+			       req_feat, server_feat, req_feat & ~server_feat);
+			con->error_msg = "missing required protocol features";
+			fail_protocol(con);
+			return -1;
+		}
+		clear_bit(CONNECTING, &con->state);
+		con->peer_global_seq = le32_to_cpu(con->in_reply.global_seq);
+		con->connect_seq++;
+		dout("process_connect got READY gseq %d cseq %d (%d)\n",
+		     con->peer_global_seq,
+		     le32_to_cpu(con->in_reply.connect_seq),
+		     con->connect_seq);
+		WARN_ON(con->connect_seq !=
+			le32_to_cpu(con->in_reply.connect_seq));
+
+		if (con->in_reply.flags & CEPH_MSG_CONNECT_LOSSY)
+			set_bit(LOSSYTX, &con->state);
+
+		prepare_read_tag(con);
+		break;
+
+	case CEPH_MSGR_TAG_WAIT:
+		/*
+		 * If there is a connection race (we are opening
+		 * connections to each other), one of us may just have
+		 * to WAIT.  This shouldn't happen if we are the
+		 * client.
+		 */
+		pr_err("process_connect peer connecting WAIT\n");
+
+	default:
+		pr_err("connect protocol error, will retry\n");
+		con->error_msg = "protocol error, garbage tag during connect";
+		return -1;
+	}
+	return 0;
+}
+
+
+/*
+ * read (part of) an ack
+ */
+static int read_partial_ack(struct ceph_connection *con)
+{
+	int to = 0;
+
+	return read_partial(con, &to, sizeof(con->in_temp_ack),
+			    &con->in_temp_ack);
+}
+
+
+/*
+ * We can finally discard anything that's been acked.
+ */
+static void process_ack(struct ceph_connection *con)
+{
+	struct ceph_msg *m;
+	u64 ack = le64_to_cpu(con->in_temp_ack);
+	u64 seq;
+
+	while (!list_empty(&con->out_sent)) {
+		m = list_first_entry(&con->out_sent, struct ceph_msg,
+				     list_head);
+		seq = le64_to_cpu(m->hdr.seq);
+		if (seq > ack)
+			break;
+		dout("got ack for seq %llu type %d at %p\n", seq,
+		     le16_to_cpu(m->hdr.type), m);
+		ceph_msg_remove(m);
+	}
+	prepare_read_tag(con);
+}
+
+
+
+
+static int read_partial_message_section(struct ceph_connection *con,
+					struct kvec *section, unsigned int sec_len,
+					u32 *crc)
+{
+	int left;
+	int ret;
+
+	BUG_ON(!section);
+
+	while (section->iov_len < sec_len) {
+		BUG_ON(section->iov_base == NULL);
+		left = sec_len - section->iov_len;
+		ret = ceph_tcp_recvmsg(con->sock, (char *)section->iov_base +
+				       section->iov_len, left);
+		if (ret <= 0)
+			return ret;
+		section->iov_len += ret;
+		if (section->iov_len == sec_len)
+			*crc = crc32c(0, section->iov_base,
+				      section->iov_len);
+	}
+
+	return 1;
+}
+
+static struct ceph_msg *ceph_alloc_msg(struct ceph_connection *con,
+				struct ceph_msg_header *hdr,
+				int *skip);
+/*
+ * read (part of) a message.
+ */
+static int read_partial_message(struct ceph_connection *con)
+{
+	struct ceph_msg *m = con->in_msg;
+	void *p;
+	int ret;
+	int to, left;
+	unsigned front_len, middle_len, data_len, data_off;
+	int datacrc = con->msgr->nocrc;
+	int skip;
+
+	dout("read_partial_message con %p msg %p\n", con, m);
+
+	/* header */
+	while (con->in_base_pos < sizeof(con->in_hdr)) {
+		left = sizeof(con->in_hdr) - con->in_base_pos;
+		ret = ceph_tcp_recvmsg(con->sock,
+				       (char *)&con->in_hdr + con->in_base_pos,
+				       left);
+		if (ret <= 0)
+			return ret;
+		con->in_base_pos += ret;
+		if (con->in_base_pos == sizeof(con->in_hdr)) {
+			u32 crc = crc32c(0, (void *)&con->in_hdr,
+				 sizeof(con->in_hdr) - sizeof(con->in_hdr.crc));
+			if (crc != le32_to_cpu(con->in_hdr.crc)) {
+				pr_err("read_partial_message bad hdr "
+				       " crc %u != expected %u\n",
+				       crc, con->in_hdr.crc);
+				return -EBADMSG;
+			}
+		}
+	}
+	front_len = le32_to_cpu(con->in_hdr.front_len);
+	if (front_len > CEPH_MSG_MAX_FRONT_LEN)
+		return -EIO;
+	middle_len = le32_to_cpu(con->in_hdr.middle_len);
+	if (middle_len > CEPH_MSG_MAX_DATA_LEN)
+		return -EIO;
+	data_len = le32_to_cpu(con->in_hdr.data_len);
+	if (data_len > CEPH_MSG_MAX_DATA_LEN)
+		return -EIO;
+	data_off = le16_to_cpu(con->in_hdr.data_off);
+
+	/* allocate message? */
+	if (!con->in_msg) {
+		dout("got hdr type %d front %d data %d\n", con->in_hdr.type,
+		     con->in_hdr.front_len, con->in_hdr.data_len);
+		con->in_msg = ceph_alloc_msg(con, &con->in_hdr, &skip);
+		if (skip) {
+			/* skip this message */
+			dout("alloc_msg returned NULL, skipping message\n");
+			con->in_base_pos = -front_len - middle_len - data_len -
+				sizeof(m->footer);
+			con->in_tag = CEPH_MSGR_TAG_READY;
+			return 0;
+		}
+		if (IS_ERR(con->in_msg)) {
+			ret = PTR_ERR(con->in_msg);
+			con->in_msg = NULL;
+			con->error_msg =
+				"error allocating memory for incoming message";
+			return ret;
+		}
+		m = con->in_msg;
+		m->front.iov_len = 0;    /* haven't read it yet */
+		if (m->middle)
+			m->middle->vec.iov_len = 0;
+
+		con->in_msg_pos.page = 0;
+		con->in_msg_pos.page_pos = data_off & ~PAGE_MASK;
+		con->in_msg_pos.data_pos = 0;
+	}
+
+	/* front */
+	ret = read_partial_message_section(con, &m->front, front_len,
+					   &con->in_front_crc);
+	if (ret <= 0)
+		return ret;
+
+	/* middle */
+	if (m->middle) {
+		ret = read_partial_message_section(con, &m->middle->vec, middle_len,
+						   &con->in_middle_crc);
+		if (ret <= 0)
+			return ret;
+	}
+
+	/* (page) data */
+	while (con->in_msg_pos.data_pos < data_len) {
+		left = min((int)(data_len - con->in_msg_pos.data_pos),
+			   (int)(PAGE_SIZE - con->in_msg_pos.page_pos));
+		BUG_ON(m->pages == NULL);
+		p = kmap(m->pages[con->in_msg_pos.page]);
+		ret = ceph_tcp_recvmsg(con->sock, p + con->in_msg_pos.page_pos,
+				       left);
+		if (ret > 0 && datacrc)
+			con->in_data_crc =
+				crc32c(con->in_data_crc,
+					  p + con->in_msg_pos.page_pos, ret);
+		kunmap(m->pages[con->in_msg_pos.page]);
+		if (ret <= 0)
+			return ret;
+		con->in_msg_pos.data_pos += ret;
+		con->in_msg_pos.page_pos += ret;
+		if (con->in_msg_pos.page_pos == PAGE_SIZE) {
+			con->in_msg_pos.page_pos = 0;
+			con->in_msg_pos.page++;
+		}
+	}
+
+	/* footer */
+	to = sizeof(m->hdr) + sizeof(m->footer);
+	while (con->in_base_pos < to) {
+		left = to - con->in_base_pos;
+		ret = ceph_tcp_recvmsg(con->sock, (char *)&m->footer +
+				       (con->in_base_pos - sizeof(m->hdr)),
+				       left);
+		if (ret <= 0)
+			return ret;
+		con->in_base_pos += ret;
+	}
+	dout("read_partial_message got msg %p %d (%u) + %d (%u) + %d (%u)\n",
+	     m, front_len, m->footer.front_crc, middle_len,
+	     m->footer.middle_crc, data_len, m->footer.data_crc);
+
+	/* crc ok? */
+	if (con->in_front_crc != le32_to_cpu(m->footer.front_crc)) {
+		pr_err("read_partial_message %p front crc %u != exp. %u\n",
+		       m, con->in_front_crc, m->footer.front_crc);
+		return -EBADMSG;
+	}
+	if (con->in_middle_crc != le32_to_cpu(m->footer.middle_crc)) {
+		pr_err("read_partial_message %p middle crc %u != exp %u\n",
+		       m, con->in_middle_crc, m->footer.middle_crc);
+		return -EBADMSG;
+	}
+	if (datacrc &&
+	    (m->footer.flags & CEPH_MSG_FOOTER_NOCRC) == 0 &&
+	    con->in_data_crc != le32_to_cpu(m->footer.data_crc)) {
+		pr_err("read_partial_message %p data crc %u != exp. %u\n", m,
+		       con->in_data_crc, le32_to_cpu(m->footer.data_crc));
+		return -EBADMSG;
+	}
+
+	return 1; /* done! */
+}
+
+/*
+ * Process message.  This happens in the worker thread.  The callback should
+ * be careful not to do anything that waits on other incoming messages or it
+ * may deadlock.
+ */
+static void process_message(struct ceph_connection *con)
+{
+	struct ceph_msg *msg;
+
+	msg = con->in_msg;
+	con->in_msg = NULL;
+
+	/* if first message, set peer_name */
+	if (con->peer_name.type == 0)
+		con->peer_name = msg->hdr.src.name;
+
+	con->in_seq++;
+	mutex_unlock(&con->mutex);
+
+	dout("===== %p %llu from %s%lld %d=%s len %d+%d (%u %u %u) =====\n",
+	     msg, le64_to_cpu(msg->hdr.seq),
+	     ENTITY_NAME(msg->hdr.src.name),
+	     le16_to_cpu(msg->hdr.type),
+	     ceph_msg_type_name(le16_to_cpu(msg->hdr.type)),
+	     le32_to_cpu(msg->hdr.front_len),
+	     le32_to_cpu(msg->hdr.data_len),
+	     con->in_front_crc, con->in_middle_crc, con->in_data_crc);
+	con->ops->dispatch(con, msg);
+
+	mutex_lock(&con->mutex);
+	prepare_read_tag(con);
+}
+
+
+/*
+ * Write something to the socket.  Called in a worker thread when the
+ * socket appears to be writeable and we have something ready to send.
+ */
+static int try_write(struct ceph_connection *con)
+{
+	struct ceph_messenger *msgr = con->msgr;
+	int ret = 1;
+
+	dout("try_write start %p state %lu nref %d\n", con, con->state,
+	     atomic_read(&con->nref));
+
+	mutex_lock(&con->mutex);
+more:
+	dout("try_write out_kvec_bytes %d\n", con->out_kvec_bytes);
+
+	/* open the socket first? */
+	if (con->sock == NULL) {
+		/*
+		 * if we were STANDBY and are reconnecting _this_
+		 * connection, bump connect_seq now.  Always bump
+		 * global_seq.
+		 */
+		if (test_and_clear_bit(STANDBY, &con->state))
+			con->connect_seq++;
+
+		prepare_write_banner(msgr, con);
+		prepare_write_connect(msgr, con, 1);
+		prepare_read_banner(con);
+		set_bit(CONNECTING, &con->state);
+		clear_bit(NEGOTIATING, &con->state);
+
+		BUG_ON(con->in_msg);
+		con->in_tag = CEPH_MSGR_TAG_READY;
+		dout("try_write initiating connect on %p new state %lu\n",
+		     con, con->state);
+		con->sock = ceph_tcp_connect(con);
+		if (IS_ERR(con->sock)) {
+			con->sock = NULL;
+			con->error_msg = "connect error";
+			ret = -1;
+			goto out;
+		}
+	}
+
+more_kvec:
+	/* kvec data queued? */
+	if (con->out_skip) {
+		ret = write_partial_skip(con);
+		if (ret <= 0)
+			goto done;
+		if (ret < 0) {
+			dout("try_write write_partial_skip err %d\n", ret);
+			goto done;
+		}
+	}
+	if (con->out_kvec_left) {
+		ret = write_partial_kvec(con);
+		if (ret <= 0)
+			goto done;
+	}
+
+	/* msg pages? */
+	if (con->out_msg) {
+		if (con->out_msg_done) {
+			ceph_msg_put(con->out_msg);
+			con->out_msg = NULL;   /* we're done with this one */
+			goto do_next;
+		}
+
+		ret = write_partial_msg_pages(con);
+		if (ret == 1)
+			goto more_kvec;  /* we need to send the footer, too! */
+		if (ret == 0)
+			goto done;
+		if (ret < 0) {
+			dout("try_write write_partial_msg_pages err %d\n",
+			     ret);
+			goto done;
+		}
+	}
+
+do_next:
+	if (!test_bit(CONNECTING, &con->state)) {
+		/* is anything else pending? */
+		if (!list_empty(&con->out_queue)) {
+			prepare_write_message(con);
+			goto more;
+		}
+		if (con->in_seq > con->in_seq_acked) {
+			prepare_write_ack(con);
+			goto more;
+		}
+		if (test_and_clear_bit(KEEPALIVE_PENDING, &con->state)) {
+			prepare_write_keepalive(con);
+			goto more;
+		}
+	}
+
+	/* Nothing to do! */
+	clear_bit(WRITE_PENDING, &con->state);
+	dout("try_write nothing else to write.\n");
+done:
+	ret = 0;
+out:
+	mutex_unlock(&con->mutex);
+	dout("try_write done on %p\n", con);
+	return ret;
+}
+
+
+
+/*
+ * Read what we can from the socket.
+ */
+static int try_read(struct ceph_connection *con)
+{
+	struct ceph_messenger *msgr;
+	int ret = -1;
+
+	if (!con->sock)
+		return 0;
+
+	if (test_bit(STANDBY, &con->state))
+		return 0;
+
+	dout("try_read start on %p\n", con);
+	msgr = con->msgr;
+
+	mutex_lock(&con->mutex);
+
+more:
+	dout("try_read tag %d in_base_pos %d\n", (int)con->in_tag,
+	     con->in_base_pos);
+	if (test_bit(CONNECTING, &con->state)) {
+		if (!test_bit(NEGOTIATING, &con->state)) {
+			dout("try_read connecting\n");
+			ret = read_partial_banner(con);
+			if (ret <= 0)
+				goto done;
+			if (process_banner(con) < 0) {
+				ret = -1;
+				goto out;
+			}
+		}
+		ret = read_partial_connect(con);
+		if (ret <= 0)
+			goto done;
+		if (process_connect(con) < 0) {
+			ret = -1;
+			goto out;
+		}
+		goto more;
+	}
+
+	if (con->in_base_pos < 0) {
+		/*
+		 * skipping + discarding content.
+		 *
+		 * FIXME: there must be a better way to do this!
+		 */
+		static char buf[1024];
+		int skip = min(1024, -con->in_base_pos);
+		dout("skipping %d / %d bytes\n", skip, -con->in_base_pos);
+		ret = ceph_tcp_recvmsg(con->sock, buf, skip);
+		if (ret <= 0)
+			goto done;
+		con->in_base_pos += ret;
+		if (con->in_base_pos)
+			goto more;
+	}
+	if (con->in_tag == CEPH_MSGR_TAG_READY) {
+		/*
+		 * what's next?
+		 */
+		ret = ceph_tcp_recvmsg(con->sock, &con->in_tag, 1);
+		if (ret <= 0)
+			goto done;
+		dout("try_read got tag %d\n", (int)con->in_tag);
+		switch (con->in_tag) {
+		case CEPH_MSGR_TAG_MSG:
+			prepare_read_message(con);
+			break;
+		case CEPH_MSGR_TAG_ACK:
+			prepare_read_ack(con);
+			break;
+		case CEPH_MSGR_TAG_CLOSE:
+			set_bit(CLOSED, &con->state);   /* fixme */
+			goto done;
+		default:
+			goto bad_tag;
+		}
+	}
+	if (con->in_tag == CEPH_MSGR_TAG_MSG) {
+		ret = read_partial_message(con);
+		if (ret <= 0) {
+			switch (ret) {
+			case -EBADMSG:
+				con->error_msg = "bad crc";
+				ret = -EIO;
+				goto out;
+			case -EIO:
+				con->error_msg = "io error";
+				goto out;
+			default:
+				goto done;
+			}
+		}
+		if (con->in_tag == CEPH_MSGR_TAG_READY)
+			goto more;
+		process_message(con);
+		goto more;
+	}
+	if (con->in_tag == CEPH_MSGR_TAG_ACK) {
+		ret = read_partial_ack(con);
+		if (ret <= 0)
+			goto done;
+		process_ack(con);
+		goto more;
+	}
+
+done:
+	ret = 0;
+out:
+	mutex_unlock(&con->mutex);
+	dout("try_read done on %p\n", con);
+	return ret;
+
+bad_tag:
+	pr_err("try_read bad con->in_tag = %d\n", (int)con->in_tag);
+	con->error_msg = "protocol error, garbage tag";
+	ret = -1;
+	goto out;
+}
+
+
+/*
+ * Atomically queue work on a connection.  Bump @con reference to
+ * avoid races with connection teardown.
+ *
+ * There is some trickery going on with QUEUED and BUSY because we
+ * only want a _single_ thread operating on each connection at any
+ * point in time, but we want to use all available CPUs.
+ *
+ * The worker thread only proceeds if it can atomically set BUSY.  It
+ * clears QUEUED and does it's thing.  When it thinks it's done, it
+ * clears BUSY, then rechecks QUEUED.. if it's set again, it loops
+ * (tries again to set BUSY).
+ *
+ * To queue work, we first set QUEUED, _then_ if BUSY isn't set, we
+ * try to queue work.  If that fails (work is already queued, or BUSY)
+ * we give up (work also already being done or is queued) but leave QUEUED
+ * set so that the worker thread will loop if necessary.
+ */
+static void queue_con(struct ceph_connection *con)
+{
+	if (test_bit(DEAD, &con->state)) {
+		dout("queue_con %p ignoring: DEAD\n",
+		     con);
+		return;
+	}
+
+	if (!con->ops->get(con)) {
+		dout("queue_con %p ref count 0\n", con);
+		return;
+	}
+
+	set_bit(QUEUED, &con->state);
+	if (test_bit(BUSY, &con->state)) {
+		dout("queue_con %p - already BUSY\n", con);
+		con->ops->put(con);
+	} else if (!queue_work(ceph_msgr_wq, &con->work.work)) {
+		dout("queue_con %p - already queued\n", con);
+		con->ops->put(con);
+	} else {
+		dout("queue_con %p\n", con);
+	}
+}
+
+/*
+ * Do some work on a connection.  Drop a connection ref when we're done.
+ */
+static void con_work(struct work_struct *work)
+{
+	struct ceph_connection *con = container_of(work, struct ceph_connection,
+						   work.work);
+	int backoff = 0;
+
+more:
+	if (test_and_set_bit(BUSY, &con->state) != 0) {
+		dout("con_work %p BUSY already set\n", con);
+		goto out;
+	}
+	dout("con_work %p start, clearing QUEUED\n", con);
+	clear_bit(QUEUED, &con->state);
+
+	if (test_bit(CLOSED, &con->state)) { /* e.g. if we are replaced */
+		dout("con_work CLOSED\n");
+		con_close_socket(con);
+		goto done;
+	}
+	if (test_and_clear_bit(OPENING, &con->state)) {
+		/* reopen w/ new peer */
+		dout("con_work OPENING\n");
+		con_close_socket(con);
+	}
+
+	if (test_and_clear_bit(SOCK_CLOSED, &con->state) ||
+	    try_read(con) < 0 ||
+	    try_write(con) < 0) {
+		backoff = 1;
+		ceph_fault(con);     /* error/fault path */
+	}
+
+done:
+	clear_bit(BUSY, &con->state);
+	dout("con->state=%lu\n", con->state);
+	if (test_bit(QUEUED, &con->state)) {
+		if (!backoff || test_bit(OPENING, &con->state)) {
+			dout("con_work %p QUEUED reset, looping\n", con);
+			goto more;
+		}
+		dout("con_work %p QUEUED reset, but just faulted\n", con);
+		clear_bit(QUEUED, &con->state);
+	}
+	dout("con_work %p done\n", con);
+
+out:
+	con->ops->put(con);
+}
+
+
+/*
+ * Generic error/fault handler.  A retry mechanism is used with
+ * exponential backoff
+ */
+static void ceph_fault(struct ceph_connection *con)
+{
+	pr_err("%s%lld %s %s\n", ENTITY_NAME(con->peer_name),
+	       pr_addr(&con->peer_addr.in_addr), con->error_msg);
+	dout("fault %p state %lu to peer %s\n",
+	     con, con->state, pr_addr(&con->peer_addr.in_addr));
+
+	if (test_bit(LOSSYTX, &con->state)) {
+		dout("fault on LOSSYTX channel\n");
+		goto out;
+	}
+
+	mutex_lock(&con->mutex);
+	if (test_bit(CLOSED, &con->state))
+		goto out_unlock;
+
+	con_close_socket(con);
+
+	if (con->in_msg) {
+		ceph_msg_put(con->in_msg);
+		con->in_msg = NULL;
+	}
+
+	/* Requeue anything that hasn't been acked */
+	list_splice_init(&con->out_sent, &con->out_queue);
+
+	/* If there are no messages in the queue, place the connection
+	 * in a STANDBY state (i.e., don't try to reconnect just yet). */
+	if (list_empty(&con->out_queue) && !con->out_keepalive_pending) {
+		dout("fault setting STANDBY\n");
+		set_bit(STANDBY, &con->state);
+	} else {
+		/* retry after a delay. */
+		if (con->delay == 0)
+			con->delay = BASE_DELAY_INTERVAL;
+		else if (con->delay < MAX_DELAY_INTERVAL)
+			con->delay *= 2;
+		dout("fault queueing %p delay %lu\n", con, con->delay);
+		con->ops->get(con);
+		if (queue_delayed_work(ceph_msgr_wq, &con->work,
+				       round_jiffies_relative(con->delay)) == 0)
+			con->ops->put(con);
+	}
+
+out_unlock:
+	mutex_unlock(&con->mutex);
+out:
+	/*
+	 * in case we faulted due to authentication, invalidate our
+	 * current tickets so that we can get new ones.
+         */
+	if (con->auth_retry && con->ops->invalidate_authorizer) {
+		dout("calling invalidate_authorizer()\n");
+		con->ops->invalidate_authorizer(con);
+	}
+
+	if (con->ops->fault)
+		con->ops->fault(con);
+}
+
+
+
+/*
+ * create a new messenger instance
+ */
+struct ceph_messenger *ceph_messenger_create(struct ceph_entity_addr *myaddr)
+{
+	struct ceph_messenger *msgr;
+
+	msgr = kzalloc(sizeof(*msgr), GFP_KERNEL);
+	if (msgr == NULL)
+		return ERR_PTR(-ENOMEM);
+
+	spin_lock_init(&msgr->global_seq_lock);
+
+	/* the zero page is needed if a request is "canceled" while the message
+	 * is being written over the socket */
+	msgr->zero_page = alloc_page(GFP_KERNEL | __GFP_ZERO);
+	if (!msgr->zero_page) {
+		kfree(msgr);
+		return ERR_PTR(-ENOMEM);
+	}
+	kmap(msgr->zero_page);
+
+	if (myaddr)
+		msgr->inst.addr = *myaddr;
+
+	/* select a random nonce */
+	msgr->inst.addr.type = 0;
+	get_random_bytes(&msgr->inst.addr.nonce, sizeof(msgr->inst.addr.nonce));
+	encode_my_addr(msgr);
+
+	dout("messenger_create %p\n", msgr);
+	return msgr;
+}
+
+void ceph_messenger_destroy(struct ceph_messenger *msgr)
+{
+	dout("destroy %p\n", msgr);
+	kunmap(msgr->zero_page);
+	__free_page(msgr->zero_page);
+	kfree(msgr);
+	dout("destroyed messenger %p\n", msgr);
+}
+
+/*
+ * Queue up an outgoing message on the given connection.
+ */
+void ceph_con_send(struct ceph_connection *con, struct ceph_msg *msg)
+{
+	if (test_bit(CLOSED, &con->state)) {
+		dout("con_send %p closed, dropping %p\n", con, msg);
+		ceph_msg_put(msg);
+		return;
+	}
+
+	/* set src+dst */
+	msg->hdr.src.name = con->msgr->inst.name;
+	msg->hdr.src.addr = con->msgr->my_enc_addr;
+	msg->hdr.orig_src = msg->hdr.src;
+
+	BUG_ON(msg->front.iov_len != le32_to_cpu(msg->hdr.front_len));
+
+	/* queue */
+	mutex_lock(&con->mutex);
+	BUG_ON(!list_empty(&msg->list_head));
+	list_add_tail(&msg->list_head, &con->out_queue);
+	dout("----- %p to %s%lld %d=%s len %d+%d+%d -----\n", msg,
+	     ENTITY_NAME(con->peer_name), le16_to_cpu(msg->hdr.type),
+	     ceph_msg_type_name(le16_to_cpu(msg->hdr.type)),
+	     le32_to_cpu(msg->hdr.front_len),
+	     le32_to_cpu(msg->hdr.middle_len),
+	     le32_to_cpu(msg->hdr.data_len));
+	mutex_unlock(&con->mutex);
+
+	/* if there wasn't anything waiting to send before, queue
+	 * new work */
+	if (test_and_set_bit(WRITE_PENDING, &con->state) == 0)
+		queue_con(con);
+}
+
+/*
+ * Revoke a message that was previously queued for send
+ */
+void ceph_con_revoke(struct ceph_connection *con, struct ceph_msg *msg)
+{
+	mutex_lock(&con->mutex);
+	if (!list_empty(&msg->list_head)) {
+		dout("con_revoke %p msg %p\n", con, msg);
+		list_del_init(&msg->list_head);
+		ceph_msg_put(msg);
+		msg->hdr.seq = 0;
+		if (con->out_msg == msg) {
+			ceph_msg_put(con->out_msg);
+			con->out_msg = NULL;
+		}
+		if (con->out_kvec_is_msg) {
+			con->out_skip = con->out_kvec_bytes;
+			con->out_kvec_is_msg = false;
+		}
+	} else {
+		dout("con_revoke %p msg %p - not queued (sent?)\n", con, msg);
+	}
+	mutex_unlock(&con->mutex);
+}
+
+/*
+ * Revoke a message that we may be reading data into
+ */
+void ceph_con_revoke_message(struct ceph_connection *con, struct ceph_msg *msg)
+{
+	mutex_lock(&con->mutex);
+	if (con->in_msg && con->in_msg == msg) {
+		unsigned front_len = le32_to_cpu(con->in_hdr.front_len);
+		unsigned middle_len = le32_to_cpu(con->in_hdr.middle_len);
+		unsigned data_len = le32_to_cpu(con->in_hdr.data_len);
+
+		/* skip rest of message */
+		dout("con_revoke_pages %p msg %p revoked\n", con, msg);
+			con->in_base_pos = con->in_base_pos -
+				sizeof(struct ceph_msg_header) -
+				front_len -
+				middle_len -
+				data_len -
+				sizeof(struct ceph_msg_footer);
+		ceph_msg_put(con->in_msg);
+		con->in_msg = NULL;
+		con->in_tag = CEPH_MSGR_TAG_READY;
+	} else {
+		dout("con_revoke_pages %p msg %p pages %p no-op\n",
+		     con, con->in_msg, msg);
+	}
+	mutex_unlock(&con->mutex);
+}
+
+/*
+ * Queue a keepalive byte to ensure the tcp connection is alive.
+ */
+void ceph_con_keepalive(struct ceph_connection *con)
+{
+	if (test_and_set_bit(KEEPALIVE_PENDING, &con->state) == 0 &&
+	    test_and_set_bit(WRITE_PENDING, &con->state) == 0)
+		queue_con(con);
+}
+
+
+/*
+ * construct a new message with given type, size
+ * the new msg has a ref count of 1.
+ */
+struct ceph_msg *ceph_msg_new(int type, int front_len,
+			      int page_len, int page_off, struct page **pages)
+{
+	struct ceph_msg *m;
+
+	m = kmalloc(sizeof(*m), GFP_NOFS);
+	if (m == NULL)
+		goto out;
+	kref_init(&m->kref);
+	INIT_LIST_HEAD(&m->list_head);
+
+	m->hdr.type = cpu_to_le16(type);
+	m->hdr.front_len = cpu_to_le32(front_len);
+	m->hdr.middle_len = 0;
+	m->hdr.data_len = cpu_to_le32(page_len);
+	m->hdr.data_off = cpu_to_le16(page_off);
+	m->hdr.priority = cpu_to_le16(CEPH_MSG_PRIO_DEFAULT);
+	m->footer.front_crc = 0;
+	m->footer.middle_crc = 0;
+	m->footer.data_crc = 0;
+	m->front_max = front_len;
+	m->front_is_vmalloc = false;
+	m->more_to_follow = false;
+	m->pool = NULL;
+
+	/* front */
+	if (front_len) {
+		if (front_len > PAGE_CACHE_SIZE) {
+			m->front.iov_base = __vmalloc(front_len, GFP_NOFS,
+						      PAGE_KERNEL);
+			m->front_is_vmalloc = true;
+		} else {
+			m->front.iov_base = kmalloc(front_len, GFP_NOFS);
+		}
+		if (m->front.iov_base == NULL) {
+			pr_err("msg_new can't allocate %d bytes\n",
+			     front_len);
+			goto out2;
+		}
+	} else {
+		m->front.iov_base = NULL;
+	}
+	m->front.iov_len = front_len;
+
+	/* middle */
+	m->middle = NULL;
+
+	/* data */
+	m->nr_pages = calc_pages_for(page_off, page_len);
+	m->pages = pages;
+	m->pagelist = NULL;
+
+	dout("ceph_msg_new %p page %d~%d -> %d\n", m, page_off, page_len,
+	     m->nr_pages);
+	return m;
+
+out2:
+	ceph_msg_put(m);
+out:
+	pr_err("msg_new can't create type %d len %d\n", type, front_len);
+	return ERR_PTR(-ENOMEM);
+}
+
+/*
+ * Allocate "middle" portion of a message, if it is needed and wasn't
+ * allocated by alloc_msg.  This allows us to read a small fixed-size
+ * per-type header in the front and then gracefully fail (i.e.,
+ * propagate the error to the caller based on info in the front) when
+ * the middle is too large.
+ */
+static int ceph_alloc_middle(struct ceph_connection *con, struct ceph_msg *msg)
+{
+	int type = le16_to_cpu(msg->hdr.type);
+	int middle_len = le32_to_cpu(msg->hdr.middle_len);
+
+	dout("alloc_middle %p type %d %s middle_len %d\n", msg, type,
+	     ceph_msg_type_name(type), middle_len);
+	BUG_ON(!middle_len);
+	BUG_ON(msg->middle);
+
+	msg->middle = ceph_buffer_new(middle_len, GFP_NOFS);
+	if (!msg->middle)
+		return -ENOMEM;
+	return 0;
+}
+
+/*
+ * Generic message allocator, for incoming messages.
+ */
+static struct ceph_msg *ceph_alloc_msg(struct ceph_connection *con,
+				struct ceph_msg_header *hdr,
+				int *skip)
+{
+	int type = le16_to_cpu(hdr->type);
+	int front_len = le32_to_cpu(hdr->front_len);
+	int middle_len = le32_to_cpu(hdr->middle_len);
+	struct ceph_msg *msg = NULL;
+	int ret;
+
+	if (con->ops->alloc_msg) {
+		mutex_unlock(&con->mutex);
+		msg = con->ops->alloc_msg(con, hdr, skip);
+		mutex_lock(&con->mutex);
+		if (IS_ERR(msg))
+			return msg;
+
+		if (*skip)
+			return NULL;
+	}
+	if (!msg) {
+		*skip = 0;
+		msg = ceph_msg_new(type, front_len, 0, 0, NULL);
+		if (!msg) {
+			pr_err("unable to allocate msg type %d len %d\n",
+			       type, front_len);
+			return ERR_PTR(-ENOMEM);
+		}
+	}
+	memcpy(&msg->hdr, &con->in_hdr, sizeof(con->in_hdr));
+
+	if (middle_len) {
+		ret = ceph_alloc_middle(con, msg);
+
+		if (ret < 0) {
+			ceph_msg_put(msg);
+			return msg;
+		}
+	}
+
+	return msg;
+}
+
+
+/*
+ * Free a generically kmalloc'd message.
+ */
+void ceph_msg_kfree(struct ceph_msg *m)
+{
+	dout("msg_kfree %p\n", m);
+	if (m->front_is_vmalloc)
+		vfree(m->front.iov_base);
+	else
+		kfree(m->front.iov_base);
+	kfree(m);
+}
+
+/*
+ * Drop a msg ref.  Destroy as needed.
+ */
+void ceph_msg_last_put(struct kref *kref)
+{
+	struct ceph_msg *m = container_of(kref, struct ceph_msg, kref);
+
+	dout("ceph_msg_put last one on %p\n", m);
+	WARN_ON(!list_empty(&m->list_head));
+
+	/* drop middle, data, if any */
+	if (m->middle) {
+		ceph_buffer_put(m->middle);
+		m->middle = NULL;
+	}
+	m->nr_pages = 0;
+	m->pages = NULL;
+
+	if (m->pagelist) {
+		ceph_pagelist_release(m->pagelist);
+		kfree(m->pagelist);
+		m->pagelist = NULL;
+	}
+
+	if (m->pool)
+		ceph_msgpool_put(m->pool, m);
+	else
+		ceph_msg_kfree(m);
+}
+
+void ceph_msg_dump(struct ceph_msg *msg)
+{
+	pr_debug("msg_dump %p (front_max %d nr_pages %d)\n", msg,
+		 msg->front_max, msg->nr_pages);
+	print_hex_dump(KERN_DEBUG, "header: ",
+		       DUMP_PREFIX_OFFSET, 16, 1,
+		       &msg->hdr, sizeof(msg->hdr), true);
+	print_hex_dump(KERN_DEBUG, " front: ",
+		       DUMP_PREFIX_OFFSET, 16, 1,
+		       msg->front.iov_base, msg->front.iov_len, true);
+	if (msg->middle)
+		print_hex_dump(KERN_DEBUG, "middle: ",
+			       DUMP_PREFIX_OFFSET, 16, 1,
+			       msg->middle->vec.iov_base,
+			       msg->middle->vec.iov_len, true);
+	print_hex_dump(KERN_DEBUG, "footer: ",
+		       DUMP_PREFIX_OFFSET, 16, 1,
+		       &msg->footer, sizeof(msg->footer), true);
+}
diff --git a/fs/ceph/messenger.h b/fs/ceph/messenger.h
new file mode 100644
index 000000000000..a343dae73cdc
--- /dev/null
+++ b/fs/ceph/messenger.h
@@ -0,0 +1,255 @@
+#ifndef __FS_CEPH_MESSENGER_H
+#define __FS_CEPH_MESSENGER_H
+
+#include <linux/kref.h>
+#include <linux/mutex.h>
+#include <linux/net.h>
+#include <linux/radix-tree.h>
+#include <linux/uio.h>
+#include <linux/version.h>
+#include <linux/workqueue.h>
+
+#include "types.h"
+#include "buffer.h"
+
+struct ceph_msg;
+struct ceph_connection;
+
+extern struct workqueue_struct *ceph_msgr_wq;       /* receive work queue */
+
+/*
+ * Ceph defines these callbacks for handling connection events.
+ */
+struct ceph_connection_operations {
+	struct ceph_connection *(*get)(struct ceph_connection *);
+	void (*put)(struct ceph_connection *);
+
+	/* handle an incoming message. */
+	void (*dispatch) (struct ceph_connection *con, struct ceph_msg *m);
+
+	/* authorize an outgoing connection */
+	int (*get_authorizer) (struct ceph_connection *con,
+			       void **buf, int *len, int *proto,
+			       void **reply_buf, int *reply_len, int force_new);
+	int (*verify_authorizer_reply) (struct ceph_connection *con, int len);
+	int (*invalidate_authorizer)(struct ceph_connection *con);
+
+	/* protocol version mismatch */
+	void (*bad_proto) (struct ceph_connection *con);
+
+	/* there was some error on the socket (disconnect, whatever) */
+	void (*fault) (struct ceph_connection *con);
+
+	/* a remote host as terminated a message exchange session, and messages
+	 * we sent (or they tried to send us) may be lost. */
+	void (*peer_reset) (struct ceph_connection *con);
+
+	struct ceph_msg * (*alloc_msg) (struct ceph_connection *con,
+					struct ceph_msg_header *hdr,
+					int *skip);
+};
+
+extern const char *ceph_name_type_str(int t);
+
+/* use format string %s%d */
+#define ENTITY_NAME(n) ceph_name_type_str((n).type), le64_to_cpu((n).num)
+
+struct ceph_messenger {
+	struct ceph_entity_inst inst;    /* my name+address */
+	struct ceph_entity_addr my_enc_addr;
+	struct page *zero_page;          /* used in certain error cases */
+
+	bool nocrc;
+
+	/*
+	 * the global_seq counts connections i (attempt to) initiate
+	 * in order to disambiguate certain connect race conditions.
+	 */
+	u32 global_seq;
+	spinlock_t global_seq_lock;
+};
+
+/*
+ * a single message.  it contains a header (src, dest, message type, etc.),
+ * footer (crc values, mainly), a "front" message body, and possibly a
+ * data payload (stored in some number of pages).
+ */
+struct ceph_msg {
+	struct ceph_msg_header hdr;	/* header */
+	struct ceph_msg_footer footer;	/* footer */
+	struct kvec front;              /* unaligned blobs of message */
+	struct ceph_buffer *middle;
+	struct page **pages;            /* data payload.  NOT OWNER. */
+	unsigned nr_pages;              /* size of page array */
+	struct ceph_pagelist *pagelist; /* instead of pages */
+	struct list_head list_head;
+	struct kref kref;
+	bool front_is_vmalloc;
+	bool more_to_follow;
+	int front_max;
+
+	struct ceph_msgpool *pool;
+};
+
+struct ceph_msg_pos {
+	int page, page_pos;  /* which page; offset in page */
+	int data_pos;        /* offset in data payload */
+	int did_page_crc;    /* true if we've calculated crc for current page */
+};
+
+/* ceph connection fault delay defaults, for exponential backoff */
+#define BASE_DELAY_INTERVAL	(HZ/2)
+#define MAX_DELAY_INTERVAL	(5 * 60 * HZ)
+
+/*
+ * ceph_connection state bit flags
+ *
+ * QUEUED and BUSY are used together to ensure that only a single
+ * thread is currently opening, reading or writing data to the socket.
+ */
+#define LOSSYTX         0  /* we can close channel or drop messages on errors */
+#define CONNECTING	1
+#define NEGOTIATING	2
+#define KEEPALIVE_PENDING      3
+#define WRITE_PENDING	4  /* we have data ready to send */
+#define QUEUED          5  /* there is work queued on this connection */
+#define BUSY            6  /* work is being done */
+#define STANDBY		8  /* no outgoing messages, socket closed.  we keep
+			    * the ceph_connection around to maintain shared
+			    * state with the peer. */
+#define CLOSED		10 /* we've closed the connection */
+#define SOCK_CLOSED	11 /* socket state changed to closed */
+#define OPENING         13 /* open connection w/ (possibly new) peer */
+#define DEAD            14 /* dead, about to kfree */
+
+/*
+ * A single connection with another host.
+ *
+ * We maintain a queue of outgoing messages, and some session state to
+ * ensure that we can preserve the lossless, ordered delivery of
+ * messages in the case of a TCP disconnect.
+ */
+struct ceph_connection {
+	void *private;
+	atomic_t nref;
+
+	const struct ceph_connection_operations *ops;
+
+	struct ceph_messenger *msgr;
+	struct socket *sock;
+	unsigned long state;	/* connection state (see flags above) */
+	const char *error_msg;  /* error message, if any */
+
+	struct ceph_entity_addr peer_addr; /* peer address */
+	struct ceph_entity_name peer_name; /* peer name */
+	struct ceph_entity_addr peer_addr_for_me;
+	u32 connect_seq;      /* identify the most recent connection
+				 attempt for this connection, client */
+	u32 peer_global_seq;  /* peer's global seq for this connection */
+
+	int auth_retry;       /* true if we need a newer authorizer */
+	void *auth_reply_buf;   /* where to put the authorizer reply */
+	int auth_reply_buf_len;
+
+	struct mutex mutex;
+
+	/* out queue */
+	struct list_head out_queue;
+	struct list_head out_sent;   /* sending or sent but unacked */
+	u64 out_seq;		     /* last message queued for send */
+	u64 out_seq_sent;            /* last message sent */
+	bool out_keepalive_pending;
+
+	u64 in_seq, in_seq_acked;  /* last message received, acked */
+
+	/* connection negotiation temps */
+	char in_banner[CEPH_BANNER_MAX_LEN];
+	union {
+		struct {  /* outgoing connection */
+			struct ceph_msg_connect out_connect;
+			struct ceph_msg_connect_reply in_reply;
+		};
+		struct {  /* incoming */
+			struct ceph_msg_connect in_connect;
+			struct ceph_msg_connect_reply out_reply;
+		};
+	};
+	struct ceph_entity_addr actual_peer_addr;
+
+	/* message out temps */
+	struct ceph_msg *out_msg;        /* sending message (== tail of
+					    out_sent) */
+	bool out_msg_done;
+	struct ceph_msg_pos out_msg_pos;
+
+	struct kvec out_kvec[8],         /* sending header/footer data */
+		*out_kvec_cur;
+	int out_kvec_left;   /* kvec's left in out_kvec */
+	int out_skip;        /* skip this many bytes */
+	int out_kvec_bytes;  /* total bytes left */
+	bool out_kvec_is_msg; /* kvec refers to out_msg */
+	int out_more;        /* there is more data after the kvecs */
+	__le64 out_temp_ack; /* for writing an ack */
+
+	/* message in temps */
+	struct ceph_msg_header in_hdr;
+	struct ceph_msg *in_msg;
+	struct ceph_msg_pos in_msg_pos;
+	u32 in_front_crc, in_middle_crc, in_data_crc;  /* calculated crc */
+
+	char in_tag;         /* protocol control byte */
+	int in_base_pos;     /* bytes read */
+	__le64 in_temp_ack;  /* for reading an ack */
+
+	struct delayed_work work;	    /* send|recv work */
+	unsigned long       delay;          /* current delay interval */
+};
+
+
+extern const char *pr_addr(const struct sockaddr_storage *ss);
+extern int ceph_parse_ips(const char *c, const char *end,
+			  struct ceph_entity_addr *addr,
+			  int max_count, int *count);
+
+
+extern int ceph_msgr_init(void);
+extern void ceph_msgr_exit(void);
+
+extern struct ceph_messenger *ceph_messenger_create(
+	struct ceph_entity_addr *myaddr);
+extern void ceph_messenger_destroy(struct ceph_messenger *);
+
+extern void ceph_con_init(struct ceph_messenger *msgr,
+			  struct ceph_connection *con);
+extern void ceph_con_open(struct ceph_connection *con,
+			  struct ceph_entity_addr *addr);
+extern bool ceph_con_opened(struct ceph_connection *con);
+extern void ceph_con_close(struct ceph_connection *con);
+extern void ceph_con_send(struct ceph_connection *con, struct ceph_msg *msg);
+extern void ceph_con_revoke(struct ceph_connection *con, struct ceph_msg *msg);
+extern void ceph_con_revoke_message(struct ceph_connection *con,
+				  struct ceph_msg *msg);
+extern void ceph_con_keepalive(struct ceph_connection *con);
+extern struct ceph_connection *ceph_con_get(struct ceph_connection *con);
+extern void ceph_con_put(struct ceph_connection *con);
+
+extern struct ceph_msg *ceph_msg_new(int type, int front_len,
+				     int page_len, int page_off,
+				     struct page **pages);
+extern void ceph_msg_kfree(struct ceph_msg *m);
+
+
+static inline struct ceph_msg *ceph_msg_get(struct ceph_msg *msg)
+{
+	kref_get(&msg->kref);
+	return msg;
+}
+extern void ceph_msg_last_put(struct kref *kref);
+static inline void ceph_msg_put(struct ceph_msg *msg)
+{
+	kref_put(&msg->kref, ceph_msg_last_put);
+}
+
+extern void ceph_msg_dump(struct ceph_msg *msg);
+
+#endif
diff --git a/fs/ceph/mon_client.c b/fs/ceph/mon_client.c
new file mode 100644
index 000000000000..890597c09d43
--- /dev/null
+++ b/fs/ceph/mon_client.c
@@ -0,0 +1,834 @@
+#include "ceph_debug.h"
+
+#include <linux/types.h>
+#include <linux/random.h>
+#include <linux/sched.h>
+
+#include "mon_client.h"
+#include "super.h"
+#include "auth.h"
+#include "decode.h"
+
+/*
+ * Interact with Ceph monitor cluster.  Handle requests for new map
+ * versions, and periodically resend as needed.  Also implement
+ * statfs() and umount().
+ *
+ * A small cluster of Ceph "monitors" are responsible for managing critical
+ * cluster configuration and state information.  An odd number (e.g., 3, 5)
+ * of cmon daemons use a modified version of the Paxos part-time parliament
+ * algorithm to manage the MDS map (mds cluster membership), OSD map, and
+ * list of clients who have mounted the file system.
+ *
+ * We maintain an open, active session with a monitor at all times in order to
+ * receive timely MDSMap updates.  We periodically send a keepalive byte on the
+ * TCP socket to ensure we detect a failure.  If the connection does break, we
+ * randomly hunt for a new monitor.  Once the connection is reestablished, we
+ * resend any outstanding requests.
+ */
+
+const static struct ceph_connection_operations mon_con_ops;
+
+static int __validate_auth(struct ceph_mon_client *monc);
+
+/*
+ * Decode a monmap blob (e.g., during mount).
+ */
+struct ceph_monmap *ceph_monmap_decode(void *p, void *end)
+{
+	struct ceph_monmap *m = NULL;
+	int i, err = -EINVAL;
+	struct ceph_fsid fsid;
+	u32 epoch, num_mon;
+	u16 version;
+	u32 len;
+
+	ceph_decode_32_safe(&p, end, len, bad);
+	ceph_decode_need(&p, end, len, bad);
+
+	dout("monmap_decode %p %p len %d\n", p, end, (int)(end-p));
+
+	ceph_decode_16_safe(&p, end, version, bad);
+
+	ceph_decode_need(&p, end, sizeof(fsid) + 2*sizeof(u32), bad);
+	ceph_decode_copy(&p, &fsid, sizeof(fsid));
+	epoch = ceph_decode_32(&p);
+
+	num_mon = ceph_decode_32(&p);
+	ceph_decode_need(&p, end, num_mon*sizeof(m->mon_inst[0]), bad);
+
+	if (num_mon >= CEPH_MAX_MON)
+		goto bad;
+	m = kmalloc(sizeof(*m) + sizeof(m->mon_inst[0])*num_mon, GFP_NOFS);
+	if (m == NULL)
+		return ERR_PTR(-ENOMEM);
+	m->fsid = fsid;
+	m->epoch = epoch;
+	m->num_mon = num_mon;
+	ceph_decode_copy(&p, m->mon_inst, num_mon*sizeof(m->mon_inst[0]));
+	for (i = 0; i < num_mon; i++)
+		ceph_decode_addr(&m->mon_inst[i].addr);
+
+	dout("monmap_decode epoch %d, num_mon %d\n", m->epoch,
+	     m->num_mon);
+	for (i = 0; i < m->num_mon; i++)
+		dout("monmap_decode  mon%d is %s\n", i,
+		     pr_addr(&m->mon_inst[i].addr.in_addr));
+	return m;
+
+bad:
+	dout("monmap_decode failed with %d\n", err);
+	kfree(m);
+	return ERR_PTR(err);
+}
+
+/*
+ * return true if *addr is included in the monmap.
+ */
+int ceph_monmap_contains(struct ceph_monmap *m, struct ceph_entity_addr *addr)
+{
+	int i;
+
+	for (i = 0; i < m->num_mon; i++)
+		if (memcmp(addr, &m->mon_inst[i].addr, sizeof(*addr)) == 0)
+			return 1;
+	return 0;
+}
+
+/*
+ * Send an auth request.
+ */
+static void __send_prepared_auth_request(struct ceph_mon_client *monc, int len)
+{
+	monc->pending_auth = 1;
+	monc->m_auth->front.iov_len = len;
+	monc->m_auth->hdr.front_len = cpu_to_le32(len);
+	ceph_msg_get(monc->m_auth);  /* keep our ref */
+	ceph_con_send(monc->con, monc->m_auth);
+}
+
+/*
+ * Close monitor session, if any.
+ */
+static void __close_session(struct ceph_mon_client *monc)
+{
+	if (monc->con) {
+		dout("__close_session closing mon%d\n", monc->cur_mon);
+		ceph_con_revoke(monc->con, monc->m_auth);
+		ceph_con_close(monc->con);
+		monc->cur_mon = -1;
+		monc->pending_auth = 0;
+		ceph_auth_reset(monc->auth);
+	}
+}
+
+/*
+ * Open a session with a (new) monitor.
+ */
+static int __open_session(struct ceph_mon_client *monc)
+{
+	char r;
+	int ret;
+
+	if (monc->cur_mon < 0) {
+		get_random_bytes(&r, 1);
+		monc->cur_mon = r % monc->monmap->num_mon;
+		dout("open_session num=%d r=%d -> mon%d\n",
+		     monc->monmap->num_mon, r, monc->cur_mon);
+		monc->sub_sent = 0;
+		monc->sub_renew_after = jiffies;  /* i.e., expired */
+		monc->want_next_osdmap = !!monc->want_next_osdmap;
+
+		dout("open_session mon%d opening\n", monc->cur_mon);
+		monc->con->peer_name.type = CEPH_ENTITY_TYPE_MON;
+		monc->con->peer_name.num = cpu_to_le64(monc->cur_mon);
+		ceph_con_open(monc->con,
+			      &monc->monmap->mon_inst[monc->cur_mon].addr);
+
+		/* initiatiate authentication handshake */
+		ret = ceph_auth_build_hello(monc->auth,
+					    monc->m_auth->front.iov_base,
+					    monc->m_auth->front_max);
+		__send_prepared_auth_request(monc, ret);
+	} else {
+		dout("open_session mon%d already open\n", monc->cur_mon);
+	}
+	return 0;
+}
+
+static bool __sub_expired(struct ceph_mon_client *monc)
+{
+	return time_after_eq(jiffies, monc->sub_renew_after);
+}
+
+/*
+ * Reschedule delayed work timer.
+ */
+static void __schedule_delayed(struct ceph_mon_client *monc)
+{
+	unsigned delay;
+
+	if (monc->cur_mon < 0 || __sub_expired(monc))
+		delay = 10 * HZ;
+	else
+		delay = 20 * HZ;
+	dout("__schedule_delayed after %u\n", delay);
+	schedule_delayed_work(&monc->delayed_work, delay);
+}
+
+/*
+ * Send subscribe request for mdsmap and/or osdmap.
+ */
+static void __send_subscribe(struct ceph_mon_client *monc)
+{
+	dout("__send_subscribe sub_sent=%u exp=%u want_osd=%d\n",
+	     (unsigned)monc->sub_sent, __sub_expired(monc),
+	     monc->want_next_osdmap);
+	if ((__sub_expired(monc) && !monc->sub_sent) ||
+	    monc->want_next_osdmap == 1) {
+		struct ceph_msg *msg;
+		struct ceph_mon_subscribe_item *i;
+		void *p, *end;
+
+		msg = ceph_msg_new(CEPH_MSG_MON_SUBSCRIBE, 96, 0, 0, NULL);
+		if (!msg)
+			return;
+
+		p = msg->front.iov_base;
+		end = p + msg->front.iov_len;
+
+		dout("__send_subscribe to 'mdsmap' %u+\n",
+		     (unsigned)monc->have_mdsmap);
+		if (monc->want_next_osdmap) {
+			dout("__send_subscribe to 'osdmap' %u\n",
+			     (unsigned)monc->have_osdmap);
+			ceph_encode_32(&p, 3);
+			ceph_encode_string(&p, end, "osdmap", 6);
+			i = p;
+			i->have = cpu_to_le64(monc->have_osdmap);
+			i->onetime = 1;
+			p += sizeof(*i);
+			monc->want_next_osdmap = 2;  /* requested */
+		} else {
+			ceph_encode_32(&p, 2);
+		}
+		ceph_encode_string(&p, end, "mdsmap", 6);
+		i = p;
+		i->have = cpu_to_le64(monc->have_mdsmap);
+		i->onetime = 0;
+		p += sizeof(*i);
+		ceph_encode_string(&p, end, "monmap", 6);
+		i = p;
+		i->have = 0;
+		i->onetime = 0;
+		p += sizeof(*i);
+
+		msg->front.iov_len = p - msg->front.iov_base;
+		msg->hdr.front_len = cpu_to_le32(msg->front.iov_len);
+		ceph_con_send(monc->con, msg);
+
+		monc->sub_sent = jiffies | 1;  /* never 0 */
+	}
+}
+
+static void handle_subscribe_ack(struct ceph_mon_client *monc,
+				 struct ceph_msg *msg)
+{
+	unsigned seconds;
+	struct ceph_mon_subscribe_ack *h = msg->front.iov_base;
+
+	if (msg->front.iov_len < sizeof(*h))
+		goto bad;
+	seconds = le32_to_cpu(h->duration);
+
+	mutex_lock(&monc->mutex);
+	if (monc->hunting) {
+		pr_info("mon%d %s session established\n",
+			monc->cur_mon, pr_addr(&monc->con->peer_addr.in_addr));
+		monc->hunting = false;
+	}
+	dout("handle_subscribe_ack after %d seconds\n", seconds);
+	monc->sub_renew_after = monc->sub_sent + (seconds >> 1)*HZ - 1;
+	monc->sub_sent = 0;
+	mutex_unlock(&monc->mutex);
+	return;
+bad:
+	pr_err("got corrupt subscribe-ack msg\n");
+	ceph_msg_dump(msg);
+}
+
+/*
+ * Keep track of which maps we have
+ */
+int ceph_monc_got_mdsmap(struct ceph_mon_client *monc, u32 got)
+{
+	mutex_lock(&monc->mutex);
+	monc->have_mdsmap = got;
+	mutex_unlock(&monc->mutex);
+	return 0;
+}
+
+int ceph_monc_got_osdmap(struct ceph_mon_client *monc, u32 got)
+{
+	mutex_lock(&monc->mutex);
+	monc->have_osdmap = got;
+	monc->want_next_osdmap = 0;
+	mutex_unlock(&monc->mutex);
+	return 0;
+}
+
+/*
+ * Register interest in the next osdmap
+ */
+void ceph_monc_request_next_osdmap(struct ceph_mon_client *monc)
+{
+	dout("request_next_osdmap have %u\n", monc->have_osdmap);
+	mutex_lock(&monc->mutex);
+	if (!monc->want_next_osdmap)
+		monc->want_next_osdmap = 1;
+	if (monc->want_next_osdmap < 2)
+		__send_subscribe(monc);
+	mutex_unlock(&monc->mutex);
+}
+
+/*
+ *
+ */
+int ceph_monc_open_session(struct ceph_mon_client *monc)
+{
+	if (!monc->con) {
+		monc->con = kmalloc(sizeof(*monc->con), GFP_KERNEL);
+		if (!monc->con)
+			return -ENOMEM;
+		ceph_con_init(monc->client->msgr, monc->con);
+		monc->con->private = monc;
+		monc->con->ops = &mon_con_ops;
+	}
+
+	mutex_lock(&monc->mutex);
+	__open_session(monc);
+	__schedule_delayed(monc);
+	mutex_unlock(&monc->mutex);
+	return 0;
+}
+
+/*
+ * The monitor responds with mount ack indicate mount success.  The
+ * included client ticket allows the client to talk to MDSs and OSDs.
+ */
+static void ceph_monc_handle_map(struct ceph_mon_client *monc,
+				 struct ceph_msg *msg)
+{
+	struct ceph_client *client = monc->client;
+	struct ceph_monmap *monmap = NULL, *old = monc->monmap;
+	void *p, *end;
+
+	mutex_lock(&monc->mutex);
+
+	dout("handle_monmap\n");
+	p = msg->front.iov_base;
+	end = p + msg->front.iov_len;
+
+	monmap = ceph_monmap_decode(p, end);
+	if (IS_ERR(monmap)) {
+		pr_err("problem decoding monmap, %d\n",
+		       (int)PTR_ERR(monmap));
+		goto out;
+	}
+
+	if (ceph_check_fsid(monc->client, &monmap->fsid) < 0) {
+		kfree(monmap);
+		goto out;
+	}
+
+	client->monc.monmap = monmap;
+	kfree(old);
+
+out:
+	mutex_unlock(&monc->mutex);
+	wake_up(&client->auth_wq);
+}
+
+/*
+ * statfs
+ */
+static struct ceph_mon_statfs_request *__lookup_statfs(
+	struct ceph_mon_client *monc, u64 tid)
+{
+	struct ceph_mon_statfs_request *req;
+	struct rb_node *n = monc->statfs_request_tree.rb_node;
+
+	while (n) {
+		req = rb_entry(n, struct ceph_mon_statfs_request, node);
+		if (tid < req->tid)
+			n = n->rb_left;
+		else if (tid > req->tid)
+			n = n->rb_right;
+		else
+			return req;
+	}
+	return NULL;
+}
+
+static void __insert_statfs(struct ceph_mon_client *monc,
+			    struct ceph_mon_statfs_request *new)
+{
+	struct rb_node **p = &monc->statfs_request_tree.rb_node;
+	struct rb_node *parent = NULL;
+	struct ceph_mon_statfs_request *req = NULL;
+
+	while (*p) {
+		parent = *p;
+		req = rb_entry(parent, struct ceph_mon_statfs_request, node);
+		if (new->tid < req->tid)
+			p = &(*p)->rb_left;
+		else if (new->tid > req->tid)
+			p = &(*p)->rb_right;
+		else
+			BUG();
+	}
+
+	rb_link_node(&new->node, parent, p);
+	rb_insert_color(&new->node, &monc->statfs_request_tree);
+}
+
+static void handle_statfs_reply(struct ceph_mon_client *monc,
+				struct ceph_msg *msg)
+{
+	struct ceph_mon_statfs_request *req;
+	struct ceph_mon_statfs_reply *reply = msg->front.iov_base;
+	u64 tid;
+
+	if (msg->front.iov_len != sizeof(*reply))
+		goto bad;
+	tid = le64_to_cpu(msg->hdr.tid);
+	dout("handle_statfs_reply %p tid %llu\n", msg, tid);
+
+	mutex_lock(&monc->mutex);
+	req = __lookup_statfs(monc, tid);
+	if (req) {
+		*req->buf = reply->st;
+		req->result = 0;
+	}
+	mutex_unlock(&monc->mutex);
+	if (req)
+		complete(&req->completion);
+	return;
+
+bad:
+	pr_err("corrupt statfs reply, no tid\n");
+	ceph_msg_dump(msg);
+}
+
+/*
+ * (re)send a statfs request
+ */
+static int send_statfs(struct ceph_mon_client *monc,
+		       struct ceph_mon_statfs_request *req)
+{
+	struct ceph_msg *msg;
+	struct ceph_mon_statfs *h;
+
+	dout("send_statfs tid %llu\n", req->tid);
+	msg = ceph_msg_new(CEPH_MSG_STATFS, sizeof(*h), 0, 0, NULL);
+	if (IS_ERR(msg))
+		return PTR_ERR(msg);
+	req->request = msg;
+	msg->hdr.tid = cpu_to_le64(req->tid);
+	h = msg->front.iov_base;
+	h->monhdr.have_version = 0;
+	h->monhdr.session_mon = cpu_to_le16(-1);
+	h->monhdr.session_mon_tid = 0;
+	h->fsid = monc->monmap->fsid;
+	ceph_con_send(monc->con, msg);
+	return 0;
+}
+
+/*
+ * Do a synchronous statfs().
+ */
+int ceph_monc_do_statfs(struct ceph_mon_client *monc, struct ceph_statfs *buf)
+{
+	struct ceph_mon_statfs_request req;
+	int err;
+
+	req.buf = buf;
+	init_completion(&req.completion);
+
+	/* allocate memory for reply */
+	err = ceph_msgpool_resv(&monc->msgpool_statfs_reply, 1);
+	if (err)
+		return err;
+
+	/* register request */
+	mutex_lock(&monc->mutex);
+	req.tid = ++monc->last_tid;
+	req.last_attempt = jiffies;
+	req.delay = BASE_DELAY_INTERVAL;
+	__insert_statfs(monc, &req);
+	monc->num_statfs_requests++;
+	mutex_unlock(&monc->mutex);
+
+	/* send request and wait */
+	err = send_statfs(monc, &req);
+	if (!err)
+		err = wait_for_completion_interruptible(&req.completion);
+
+	mutex_lock(&monc->mutex);
+	rb_erase(&req.node, &monc->statfs_request_tree);
+	monc->num_statfs_requests--;
+	ceph_msgpool_resv(&monc->msgpool_statfs_reply, -1);
+	mutex_unlock(&monc->mutex);
+
+	if (!err)
+		err = req.result;
+	return err;
+}
+
+/*
+ * Resend pending statfs requests.
+ */
+static void __resend_statfs(struct ceph_mon_client *monc)
+{
+	struct ceph_mon_statfs_request *req;
+	struct rb_node *p;
+
+	for (p = rb_first(&monc->statfs_request_tree); p; p = rb_next(p)) {
+		req = rb_entry(p, struct ceph_mon_statfs_request, node);
+		send_statfs(monc, req);
+	}
+}
+
+/*
+ * Delayed work.  If we haven't mounted yet, retry.  Otherwise,
+ * renew/retry subscription as needed (in case it is timing out, or we
+ * got an ENOMEM).  And keep the monitor connection alive.
+ */
+static void delayed_work(struct work_struct *work)
+{
+	struct ceph_mon_client *monc =
+		container_of(work, struct ceph_mon_client, delayed_work.work);
+
+	dout("monc delayed_work\n");
+	mutex_lock(&monc->mutex);
+	if (monc->hunting) {
+		__close_session(monc);
+		__open_session(monc);  /* continue hunting */
+	} else {
+		ceph_con_keepalive(monc->con);
+
+		__validate_auth(monc);
+
+		if (monc->auth->ops->is_authenticated(monc->auth))
+			__send_subscribe(monc);
+	}
+	__schedule_delayed(monc);
+	mutex_unlock(&monc->mutex);
+}
+
+/*
+ * On startup, we build a temporary monmap populated with the IPs
+ * provided by mount(2).
+ */
+static int build_initial_monmap(struct ceph_mon_client *monc)
+{
+	struct ceph_mount_args *args = monc->client->mount_args;
+	struct ceph_entity_addr *mon_addr = args->mon_addr;
+	int num_mon = args->num_mon;
+	int i;
+
+	/* build initial monmap */
+	monc->monmap = kzalloc(sizeof(*monc->monmap) +
+			       num_mon*sizeof(monc->monmap->mon_inst[0]),
+			       GFP_KERNEL);
+	if (!monc->monmap)
+		return -ENOMEM;
+	for (i = 0; i < num_mon; i++) {
+		monc->monmap->mon_inst[i].addr = mon_addr[i];
+		monc->monmap->mon_inst[i].addr.nonce = 0;
+		monc->monmap->mon_inst[i].name.type =
+			CEPH_ENTITY_TYPE_MON;
+		monc->monmap->mon_inst[i].name.num = cpu_to_le64(i);
+	}
+	monc->monmap->num_mon = num_mon;
+	monc->have_fsid = false;
+
+	/* release addr memory */
+	kfree(args->mon_addr);
+	args->mon_addr = NULL;
+	args->num_mon = 0;
+	return 0;
+}
+
+int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl)
+{
+	int err = 0;
+
+	dout("init\n");
+	memset(monc, 0, sizeof(*monc));
+	monc->client = cl;
+	monc->monmap = NULL;
+	mutex_init(&monc->mutex);
+
+	err = build_initial_monmap(monc);
+	if (err)
+		goto out;
+
+	monc->con = NULL;
+
+	/* authentication */
+	monc->auth = ceph_auth_init(cl->mount_args->name,
+				    cl->mount_args->secret);
+	if (IS_ERR(monc->auth))
+		return PTR_ERR(monc->auth);
+	monc->auth->want_keys =
+		CEPH_ENTITY_TYPE_AUTH | CEPH_ENTITY_TYPE_MON |
+		CEPH_ENTITY_TYPE_OSD | CEPH_ENTITY_TYPE_MDS;
+
+	/* msg pools */
+	err = ceph_msgpool_init(&monc->msgpool_subscribe_ack,
+			       sizeof(struct ceph_mon_subscribe_ack), 1, false);
+	if (err < 0)
+		goto out_monmap;
+	err = ceph_msgpool_init(&monc->msgpool_statfs_reply,
+				sizeof(struct ceph_mon_statfs_reply), 0, false);
+	if (err < 0)
+		goto out_pool1;
+	err = ceph_msgpool_init(&monc->msgpool_auth_reply, 4096, 1, false);
+	if (err < 0)
+		goto out_pool2;
+
+	monc->m_auth = ceph_msg_new(CEPH_MSG_AUTH, 4096, 0, 0, NULL);
+	monc->pending_auth = 0;
+	if (IS_ERR(monc->m_auth)) {
+		err = PTR_ERR(monc->m_auth);
+		monc->m_auth = NULL;
+		goto out_pool3;
+	}
+
+	monc->cur_mon = -1;
+	monc->hunting = true;
+	monc->sub_renew_after = jiffies;
+	monc->sub_sent = 0;
+
+	INIT_DELAYED_WORK(&monc->delayed_work, delayed_work);
+	monc->statfs_request_tree = RB_ROOT;
+	monc->num_statfs_requests = 0;
+	monc->last_tid = 0;
+
+	monc->have_mdsmap = 0;
+	monc->have_osdmap = 0;
+	monc->want_next_osdmap = 1;
+	return 0;
+
+out_pool3:
+	ceph_msgpool_destroy(&monc->msgpool_auth_reply);
+out_pool2:
+	ceph_msgpool_destroy(&monc->msgpool_subscribe_ack);
+out_pool1:
+	ceph_msgpool_destroy(&monc->msgpool_statfs_reply);
+out_monmap:
+	kfree(monc->monmap);
+out:
+	return err;
+}
+
+void ceph_monc_stop(struct ceph_mon_client *monc)
+{
+	dout("stop\n");
+	cancel_delayed_work_sync(&monc->delayed_work);
+
+	mutex_lock(&monc->mutex);
+	__close_session(monc);
+	if (monc->con) {
+		monc->con->private = NULL;
+		monc->con->ops->put(monc->con);
+		monc->con = NULL;
+	}
+	mutex_unlock(&monc->mutex);
+
+	ceph_auth_destroy(monc->auth);
+
+	ceph_msg_put(monc->m_auth);
+	ceph_msgpool_destroy(&monc->msgpool_subscribe_ack);
+	ceph_msgpool_destroy(&monc->msgpool_statfs_reply);
+	ceph_msgpool_destroy(&monc->msgpool_auth_reply);
+
+	kfree(monc->monmap);
+}
+
+static void handle_auth_reply(struct ceph_mon_client *monc,
+			      struct ceph_msg *msg)
+{
+	int ret;
+
+	mutex_lock(&monc->mutex);
+	monc->pending_auth = 0;
+	ret = ceph_handle_auth_reply(monc->auth, msg->front.iov_base,
+				     msg->front.iov_len,
+				     monc->m_auth->front.iov_base,
+				     monc->m_auth->front_max);
+	if (ret < 0) {
+		monc->client->auth_err = ret;
+		wake_up(&monc->client->auth_wq);
+	} else if (ret > 0) {
+		__send_prepared_auth_request(monc, ret);
+	} else if (monc->auth->ops->is_authenticated(monc->auth)) {
+		dout("authenticated, starting session\n");
+
+		monc->client->msgr->inst.name.type = CEPH_ENTITY_TYPE_CLIENT;
+		monc->client->msgr->inst.name.num = monc->auth->global_id;
+
+		__send_subscribe(monc);
+		__resend_statfs(monc);
+	}
+	mutex_unlock(&monc->mutex);
+}
+
+static int __validate_auth(struct ceph_mon_client *monc)
+{
+	int ret;
+
+	if (monc->pending_auth)
+		return 0;
+
+	ret = ceph_build_auth(monc->auth, monc->m_auth->front.iov_base,
+			      monc->m_auth->front_max);
+	if (ret <= 0)
+		return ret; /* either an error, or no need to authenticate */
+	__send_prepared_auth_request(monc, ret);
+	return 0;
+}
+
+int ceph_monc_validate_auth(struct ceph_mon_client *monc)
+{
+	int ret;
+
+	mutex_lock(&monc->mutex);
+	ret = __validate_auth(monc);
+	mutex_unlock(&monc->mutex);
+	return ret;
+}
+
+/*
+ * handle incoming message
+ */
+static void dispatch(struct ceph_connection *con, struct ceph_msg *msg)
+{
+	struct ceph_mon_client *monc = con->private;
+	int type = le16_to_cpu(msg->hdr.type);
+
+	if (!monc)
+		return;
+
+	switch (type) {
+	case CEPH_MSG_AUTH_REPLY:
+		handle_auth_reply(monc, msg);
+		break;
+
+	case CEPH_MSG_MON_SUBSCRIBE_ACK:
+		handle_subscribe_ack(monc, msg);
+		break;
+
+	case CEPH_MSG_STATFS_REPLY:
+		handle_statfs_reply(monc, msg);
+		break;
+
+	case CEPH_MSG_MON_MAP:
+		ceph_monc_handle_map(monc, msg);
+		break;
+
+	case CEPH_MSG_MDS_MAP:
+		ceph_mdsc_handle_map(&monc->client->mdsc, msg);
+		break;
+
+	case CEPH_MSG_OSD_MAP:
+		ceph_osdc_handle_map(&monc->client->osdc, msg);
+		break;
+
+	default:
+		pr_err("received unknown message type %d %s\n", type,
+		       ceph_msg_type_name(type));
+	}
+	ceph_msg_put(msg);
+}
+
+/*
+ * Allocate memory for incoming message
+ */
+static struct ceph_msg *mon_alloc_msg(struct ceph_connection *con,
+				      struct ceph_msg_header *hdr,
+				      int *skip)
+{
+	struct ceph_mon_client *monc = con->private;
+	int type = le16_to_cpu(hdr->type);
+	int front_len = le32_to_cpu(hdr->front_len);
+	struct ceph_msg *m = NULL;
+
+	*skip = 0;
+
+	switch (type) {
+	case CEPH_MSG_MON_SUBSCRIBE_ACK:
+		m = ceph_msgpool_get(&monc->msgpool_subscribe_ack, front_len);
+		break;
+	case CEPH_MSG_STATFS_REPLY:
+		m = ceph_msgpool_get(&monc->msgpool_statfs_reply, front_len);
+		break;
+	case CEPH_MSG_AUTH_REPLY:
+		m = ceph_msgpool_get(&monc->msgpool_auth_reply, front_len);
+		break;
+	case CEPH_MSG_MON_MAP:
+	case CEPH_MSG_MDS_MAP:
+	case CEPH_MSG_OSD_MAP:
+		m = ceph_msg_new(type, front_len, 0, 0, NULL);
+		break;
+	}
+
+	if (!m) {
+		pr_info("alloc_msg unknown type %d\n", type);
+		*skip = 1;
+	}
+	return m;
+}
+
+/*
+ * If the monitor connection resets, pick a new monitor and resubmit
+ * any pending requests.
+ */
+static void mon_fault(struct ceph_connection *con)
+{
+	struct ceph_mon_client *monc = con->private;
+
+	if (!monc)
+		return;
+
+	dout("mon_fault\n");
+	mutex_lock(&monc->mutex);
+	if (!con->private)
+		goto out;
+
+	if (monc->con && !monc->hunting)
+		pr_info("mon%d %s session lost, "
+			"hunting for new mon\n", monc->cur_mon,
+			pr_addr(&monc->con->peer_addr.in_addr));
+
+	__close_session(monc);
+	if (!monc->hunting) {
+		/* start hunting */
+		monc->hunting = true;
+		__open_session(monc);
+	} else {
+		/* already hunting, let's wait a bit */
+		__schedule_delayed(monc);
+	}
+out:
+	mutex_unlock(&monc->mutex);
+}
+
+const static struct ceph_connection_operations mon_con_ops = {
+	.get = ceph_con_get,
+	.put = ceph_con_put,
+	.dispatch = dispatch,
+	.fault = mon_fault,
+	.alloc_msg = mon_alloc_msg,
+};
diff --git a/fs/ceph/mon_client.h b/fs/ceph/mon_client.h
new file mode 100644
index 000000000000..b958ad5afa06
--- /dev/null
+++ b/fs/ceph/mon_client.h
@@ -0,0 +1,119 @@
+#ifndef _FS_CEPH_MON_CLIENT_H
+#define _FS_CEPH_MON_CLIENT_H
+
+#include <linux/completion.h>
+#include <linux/rbtree.h>
+
+#include "messenger.h"
+#include "msgpool.h"
+
+struct ceph_client;
+struct ceph_mount_args;
+struct ceph_auth_client;
+
+/*
+ * The monitor map enumerates the set of all monitors.
+ */
+struct ceph_monmap {
+	struct ceph_fsid fsid;
+	u32 epoch;
+	u32 num_mon;
+	struct ceph_entity_inst mon_inst[0];
+};
+
+struct ceph_mon_client;
+struct ceph_mon_statfs_request;
+
+
+/*
+ * Generic mechanism for resending monitor requests.
+ */
+typedef void (*ceph_monc_request_func_t)(struct ceph_mon_client *monc,
+					 int newmon);
+
+/* a pending monitor request */
+struct ceph_mon_request {
+	struct ceph_mon_client *monc;
+	struct delayed_work delayed_work;
+	unsigned long delay;
+	ceph_monc_request_func_t do_request;
+};
+
+/*
+ * statfs() is done a bit differently because we need to get data back
+ * to the caller
+ */
+struct ceph_mon_statfs_request {
+	u64 tid;
+	struct rb_node node;
+	int result;
+	struct ceph_statfs *buf;
+	struct completion completion;
+	unsigned long last_attempt, delay; /* jiffies */
+	struct ceph_msg *request;  /* original request */
+};
+
+struct ceph_mon_client {
+	struct ceph_client *client;
+	struct ceph_monmap *monmap;
+
+	struct mutex mutex;
+	struct delayed_work delayed_work;
+
+	struct ceph_auth_client *auth;
+	struct ceph_msg *m_auth;
+	int pending_auth;
+
+	bool hunting;
+	int cur_mon;                       /* last monitor i contacted */
+	unsigned long sub_sent, sub_renew_after;
+	struct ceph_connection *con;
+	bool have_fsid;
+
+	/* msg pools */
+	struct ceph_msgpool msgpool_subscribe_ack;
+	struct ceph_msgpool msgpool_statfs_reply;
+	struct ceph_msgpool msgpool_auth_reply;
+
+	/* pending statfs requests */
+	struct rb_root statfs_request_tree;
+	int num_statfs_requests;
+	u64 last_tid;
+
+	/* mds/osd map */
+	int want_next_osdmap; /* 1 = want, 2 = want+asked */
+	u32 have_osdmap, have_mdsmap;
+
+#ifdef CONFIG_DEBUG_FS
+	struct dentry *debugfs_file;
+#endif
+};
+
+extern struct ceph_monmap *ceph_monmap_decode(void *p, void *end);
+extern int ceph_monmap_contains(struct ceph_monmap *m,
+				struct ceph_entity_addr *addr);
+
+extern int ceph_monc_init(struct ceph_mon_client *monc, struct ceph_client *cl);
+extern void ceph_monc_stop(struct ceph_mon_client *monc);
+
+/*
+ * The model here is to indicate that we need a new map of at least
+ * epoch @want, and also call in when we receive a map.  We will
+ * periodically rerequest the map from the monitor cluster until we
+ * get what we want.
+ */
+extern int ceph_monc_got_mdsmap(struct ceph_mon_client *monc, u32 have);
+extern int ceph_monc_got_osdmap(struct ceph_mon_client *monc, u32 have);
+
+extern void ceph_monc_request_next_osdmap(struct ceph_mon_client *monc);
+
+extern int ceph_monc_do_statfs(struct ceph_mon_client *monc,
+			       struct ceph_statfs *buf);
+
+extern int ceph_monc_open_session(struct ceph_mon_client *monc);
+
+extern int ceph_monc_validate_auth(struct ceph_mon_client *monc);
+
+
+
+#endif
diff --git a/fs/ceph/msgpool.c b/fs/ceph/msgpool.c
new file mode 100644
index 000000000000..ca3b44a89f2d
--- /dev/null
+++ b/fs/ceph/msgpool.c
@@ -0,0 +1,186 @@
+#include "ceph_debug.h"
+
+#include <linux/err.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/vmalloc.h>
+
+#include "msgpool.h"
+
+/*
+ * We use msg pools to preallocate memory for messages we expect to
+ * receive over the wire, to avoid getting ourselves into OOM
+ * conditions at unexpected times.  We take use a few different
+ * strategies:
+ *
+ *  - for request/response type interactions, we preallocate the
+ * memory needed for the response when we generate the request.
+ *
+ *  - for messages we can receive at any time from the MDS, we preallocate
+ * a pool of messages we can re-use.
+ *
+ *  - for writeback, we preallocate some number of messages to use for
+ * requests and their replies, so that we always make forward
+ * progress.
+ *
+ * The msgpool behaves like a mempool_t, but keeps preallocated
+ * ceph_msgs strung together on a list_head instead of using a pointer
+ * vector.  This avoids vector reallocation when we adjust the number
+ * of preallocated items (which happens frequently).
+ */
+
+
+/*
+ * Allocate or release as necessary to meet our target pool size.
+ */
+static int __fill_msgpool(struct ceph_msgpool *pool)
+{
+	struct ceph_msg *msg;
+
+	while (pool->num < pool->min) {
+		dout("fill_msgpool %p %d/%d allocating\n", pool, pool->num,
+		     pool->min);
+		spin_unlock(&pool->lock);
+		msg = ceph_msg_new(0, pool->front_len, 0, 0, NULL);
+		spin_lock(&pool->lock);
+		if (IS_ERR(msg))
+			return PTR_ERR(msg);
+		msg->pool = pool;
+		list_add(&msg->list_head, &pool->msgs);
+		pool->num++;
+	}
+	while (pool->num > pool->min) {
+		msg = list_first_entry(&pool->msgs, struct ceph_msg, list_head);
+		dout("fill_msgpool %p %d/%d releasing %p\n", pool, pool->num,
+		     pool->min, msg);
+		list_del_init(&msg->list_head);
+		pool->num--;
+		ceph_msg_kfree(msg);
+	}
+	return 0;
+}
+
+int ceph_msgpool_init(struct ceph_msgpool *pool,
+		      int front_len, int min, bool blocking)
+{
+	int ret;
+
+	dout("msgpool_init %p front_len %d min %d\n", pool, front_len, min);
+	spin_lock_init(&pool->lock);
+	pool->front_len = front_len;
+	INIT_LIST_HEAD(&pool->msgs);
+	pool->num = 0;
+	pool->min = min;
+	pool->blocking = blocking;
+	init_waitqueue_head(&pool->wait);
+
+	spin_lock(&pool->lock);
+	ret = __fill_msgpool(pool);
+	spin_unlock(&pool->lock);
+	return ret;
+}
+
+void ceph_msgpool_destroy(struct ceph_msgpool *pool)
+{
+	dout("msgpool_destroy %p\n", pool);
+	spin_lock(&pool->lock);
+	pool->min = 0;
+	__fill_msgpool(pool);
+	spin_unlock(&pool->lock);
+}
+
+int ceph_msgpool_resv(struct ceph_msgpool *pool, int delta)
+{
+	int ret;
+
+	spin_lock(&pool->lock);
+	dout("msgpool_resv %p delta %d\n", pool, delta);
+	pool->min += delta;
+	ret = __fill_msgpool(pool);
+	spin_unlock(&pool->lock);
+	return ret;
+}
+
+struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *pool, int front_len)
+{
+	wait_queue_t wait;
+	struct ceph_msg *msg;
+
+	if (front_len && front_len > pool->front_len) {
+		pr_err("msgpool_get pool %p need front %d, pool size is %d\n",
+		       pool, front_len, pool->front_len);
+		WARN_ON(1);
+
+		/* try to alloc a fresh message */
+		msg = ceph_msg_new(0, front_len, 0, 0, NULL);
+		if (!IS_ERR(msg))
+			return msg;
+	}
+
+	if (!front_len)
+		front_len = pool->front_len;
+
+	if (pool->blocking) {
+		/* mempool_t behavior; first try to alloc */
+		msg = ceph_msg_new(0, front_len, 0, 0, NULL);
+		if (!IS_ERR(msg))
+			return msg;
+	}
+
+	while (1) {
+		spin_lock(&pool->lock);
+		if (likely(pool->num)) {
+			msg = list_entry(pool->msgs.next, struct ceph_msg,
+					 list_head);
+			list_del_init(&msg->list_head);
+			pool->num--;
+			dout("msgpool_get %p got %p, now %d/%d\n", pool, msg,
+			     pool->num, pool->min);
+			spin_unlock(&pool->lock);
+			return msg;
+		}
+		pr_err("msgpool_get %p now %d/%d, %s\n", pool, pool->num,
+		       pool->min, pool->blocking ? "waiting" : "may fail");
+		spin_unlock(&pool->lock);
+
+		if (!pool->blocking) {
+			WARN_ON(1);
+
+			/* maybe we can allocate it now? */
+			msg = ceph_msg_new(0, front_len, 0, 0, NULL);
+			if (!IS_ERR(msg))
+				return msg;
+
+			pr_err("msgpool_get %p empty + alloc failed\n", pool);
+			return ERR_PTR(-ENOMEM);
+		}
+
+		init_wait(&wait);
+		prepare_to_wait(&pool->wait, &wait, TASK_UNINTERRUPTIBLE);
+		schedule();
+		finish_wait(&pool->wait, &wait);
+	}
+}
+
+void ceph_msgpool_put(struct ceph_msgpool *pool, struct ceph_msg *msg)
+{
+	spin_lock(&pool->lock);
+	if (pool->num < pool->min) {
+		/* reset msg front_len; user may have changed it */
+		msg->front.iov_len = pool->front_len;
+		msg->hdr.front_len = cpu_to_le32(pool->front_len);
+
+		kref_set(&msg->kref, 1);  /* retake a single ref */
+		list_add(&msg->list_head, &pool->msgs);
+		pool->num++;
+		dout("msgpool_put %p reclaim %p, now %d/%d\n", pool, msg,
+		     pool->num, pool->min);
+		spin_unlock(&pool->lock);
+		wake_up(&pool->wait);
+	} else {
+		dout("msgpool_put %p drop %p, at %d/%d\n", pool, msg,
+		     pool->num, pool->min);
+		spin_unlock(&pool->lock);
+		ceph_msg_kfree(msg);
+	}
+}
diff --git a/fs/ceph/msgpool.h b/fs/ceph/msgpool.h
new file mode 100644
index 000000000000..bc834bfcd720
--- /dev/null
+++ b/fs/ceph/msgpool.h
@@ -0,0 +1,27 @@
+#ifndef _FS_CEPH_MSGPOOL
+#define _FS_CEPH_MSGPOOL
+
+#include "messenger.h"
+
+/*
+ * we use memory pools for preallocating messages we may receive, to
+ * avoid unexpected OOM conditions.
+ */
+struct ceph_msgpool {
+	spinlock_t lock;
+	int front_len;          /* preallocated payload size */
+	struct list_head msgs;  /* msgs in the pool; each has 1 ref */
+	int num, min;           /* cur, min # msgs in the pool */
+	bool blocking;
+	wait_queue_head_t wait;
+};
+
+extern int ceph_msgpool_init(struct ceph_msgpool *pool,
+			     int front_len, int size, bool blocking);
+extern void ceph_msgpool_destroy(struct ceph_msgpool *pool);
+extern int ceph_msgpool_resv(struct ceph_msgpool *, int delta);
+extern struct ceph_msg *ceph_msgpool_get(struct ceph_msgpool *,
+					 int front_len);
+extern void ceph_msgpool_put(struct ceph_msgpool *, struct ceph_msg *);
+
+#endif
diff --git a/fs/ceph/msgr.h b/fs/ceph/msgr.h
new file mode 100644
index 000000000000..8aaab414f3f8
--- /dev/null
+++ b/fs/ceph/msgr.h
@@ -0,0 +1,158 @@
+#ifndef __MSGR_H
+#define __MSGR_H
+
+/*
+ * Data types for message passing layer used by Ceph.
+ */
+
+#define CEPH_MON_PORT    6789  /* default monitor port */
+
+/*
+ * client-side processes will try to bind to ports in this
+ * range, simply for the benefit of tools like nmap or wireshark
+ * that would like to identify the protocol.
+ */
+#define CEPH_PORT_FIRST  6789
+#define CEPH_PORT_START  6800  /* non-monitors start here */
+#define CEPH_PORT_LAST   6900
+
+/*
+ * tcp connection banner.  include a protocol version. and adjust
+ * whenever the wire protocol changes.  try to keep this string length
+ * constant.
+ */
+#define CEPH_BANNER "ceph v027"
+#define CEPH_BANNER_MAX_LEN 30
+
+
+/*
+ * Rollover-safe type and comparator for 32-bit sequence numbers.
+ * Comparator returns -1, 0, or 1.
+ */
+typedef __u32 ceph_seq_t;
+
+static inline __s32 ceph_seq_cmp(__u32 a, __u32 b)
+{
+       return (__s32)a - (__s32)b;
+}
+
+
+/*
+ * entity_name -- logical name for a process participating in the
+ * network, e.g. 'mds0' or 'osd3'.
+ */
+struct ceph_entity_name {
+	__u8 type;      /* CEPH_ENTITY_TYPE_* */
+	__le64 num;
+} __attribute__ ((packed));
+
+#define CEPH_ENTITY_TYPE_MON    0x01
+#define CEPH_ENTITY_TYPE_MDS    0x02
+#define CEPH_ENTITY_TYPE_OSD    0x04
+#define CEPH_ENTITY_TYPE_CLIENT 0x08
+#define CEPH_ENTITY_TYPE_ADMIN  0x10
+#define CEPH_ENTITY_TYPE_AUTH   0x20
+
+#define CEPH_ENTITY_TYPE_ANY    0xFF
+
+extern const char *ceph_entity_type_name(int type);
+
+/*
+ * entity_addr -- network address
+ */
+struct ceph_entity_addr {
+	__le32 type;
+	__le32 nonce;  /* unique id for process (e.g. pid) */
+	struct sockaddr_storage in_addr;
+} __attribute__ ((packed));
+
+struct ceph_entity_inst {
+	struct ceph_entity_name name;
+	struct ceph_entity_addr addr;
+} __attribute__ ((packed));
+
+
+/* used by message exchange protocol */
+#define CEPH_MSGR_TAG_READY         1  /* server->client: ready for messages */
+#define CEPH_MSGR_TAG_RESETSESSION  2  /* server->client: reset, try again */
+#define CEPH_MSGR_TAG_WAIT          3  /* server->client: wait for racing
+					  incoming connection */
+#define CEPH_MSGR_TAG_RETRY_SESSION 4  /* server->client + cseq: try again
+					  with higher cseq */
+#define CEPH_MSGR_TAG_RETRY_GLOBAL  5  /* server->client + gseq: try again
+					  with higher gseq */
+#define CEPH_MSGR_TAG_CLOSE         6  /* closing pipe */
+#define CEPH_MSGR_TAG_MSG           7  /* message */
+#define CEPH_MSGR_TAG_ACK           8  /* message ack */
+#define CEPH_MSGR_TAG_KEEPALIVE     9  /* just a keepalive byte! */
+#define CEPH_MSGR_TAG_BADPROTOVER  10  /* bad protocol version */
+#define CEPH_MSGR_TAG_BADAUTHORIZER 11 /* bad authorizer */
+#define CEPH_MSGR_TAG_FEATURES      12 /* insufficient features */
+
+
+/*
+ * connection negotiation
+ */
+struct ceph_msg_connect {
+	__le64 features;     /* supported feature bits */
+	__le32 host_type;    /* CEPH_ENTITY_TYPE_* */
+	__le32 global_seq;   /* count connections initiated by this host */
+	__le32 connect_seq;  /* count connections initiated in this session */
+	__le32 protocol_version;
+	__le32 authorizer_protocol;
+	__le32 authorizer_len;
+	__u8  flags;         /* CEPH_MSG_CONNECT_* */
+} __attribute__ ((packed));
+
+struct ceph_msg_connect_reply {
+	__u8 tag;
+	__le64 features;     /* feature bits for this session */
+	__le32 global_seq;
+	__le32 connect_seq;
+	__le32 protocol_version;
+	__le32 authorizer_len;
+	__u8 flags;
+} __attribute__ ((packed));
+
+#define CEPH_MSG_CONNECT_LOSSY  1  /* messages i send may be safely dropped */
+
+
+/*
+ * message header
+ */
+struct ceph_msg_header {
+	__le64 seq;       /* message seq# for this session */
+	__le64 tid;       /* transaction id */
+	__le16 type;      /* message type */
+	__le16 priority;  /* priority.  higher value == higher priority */
+	__le16 version;   /* version of message encoding */
+
+	__le32 front_len; /* bytes in main payload */
+	__le32 middle_len;/* bytes in middle payload */
+	__le32 data_len;  /* bytes of data payload */
+	__le16 data_off;  /* sender: include full offset;
+			     receiver: mask against ~PAGE_MASK */
+
+	struct ceph_entity_inst src, orig_src;
+	__le32 reserved;
+	__le32 crc;       /* header crc32c */
+} __attribute__ ((packed));
+
+#define CEPH_MSG_PRIO_LOW     64
+#define CEPH_MSG_PRIO_DEFAULT 127
+#define CEPH_MSG_PRIO_HIGH    196
+#define CEPH_MSG_PRIO_HIGHEST 255
+
+/*
+ * follows data payload
+ */
+struct ceph_msg_footer {
+	__le32 front_crc, middle_crc, data_crc;
+	__u8 flags;
+} __attribute__ ((packed));
+
+#define CEPH_MSG_FOOTER_COMPLETE  (1<<0)   /* msg wasn't aborted */
+#define CEPH_MSG_FOOTER_NOCRC     (1<<1)   /* no data crc */
+
+
+#endif
diff --git a/fs/ceph/osd_client.c b/fs/ceph/osd_client.c
new file mode 100644
index 000000000000..c7b4dedaace6
--- /dev/null
+++ b/fs/ceph/osd_client.c
@@ -0,0 +1,1550 @@
+#include "ceph_debug.h"
+
+#include <linux/err.h>
+#include <linux/highmem.h>
+#include <linux/mm.h>
+#include <linux/pagemap.h>
+#include <linux/slab.h>
+#include <linux/uaccess.h>
+
+#include "super.h"
+#include "osd_client.h"
+#include "messenger.h"
+#include "decode.h"
+#include "auth.h"
+
+#define OSD_OP_FRONT_LEN	4096
+#define OSD_OPREPLY_FRONT_LEN	512
+
+const static struct ceph_connection_operations osd_con_ops;
+static int __kick_requests(struct ceph_osd_client *osdc,
+			  struct ceph_osd *kickosd);
+
+static void kick_requests(struct ceph_osd_client *osdc, struct ceph_osd *osd);
+
+/*
+ * Implement client access to distributed object storage cluster.
+ *
+ * All data objects are stored within a cluster/cloud of OSDs, or
+ * "object storage devices."  (Note that Ceph OSDs have _nothing_ to
+ * do with the T10 OSD extensions to SCSI.)  Ceph OSDs are simply
+ * remote daemons serving up and coordinating consistent and safe
+ * access to storage.
+ *
+ * Cluster membership and the mapping of data objects onto storage devices
+ * are described by the osd map.
+ *
+ * We keep track of pending OSD requests (read, write), resubmit
+ * requests to different OSDs when the cluster topology/data layout
+ * change, or retry the affected requests when the communications
+ * channel with an OSD is reset.
+ */
+
+/*
+ * calculate the mapping of a file extent onto an object, and fill out the
+ * request accordingly.  shorten extent as necessary if it crosses an
+ * object boundary.
+ *
+ * fill osd op in request message.
+ */
+static void calc_layout(struct ceph_osd_client *osdc,
+			struct ceph_vino vino, struct ceph_file_layout *layout,
+			u64 off, u64 *plen,
+			struct ceph_osd_request *req)
+{
+	struct ceph_osd_request_head *reqhead = req->r_request->front.iov_base;
+	struct ceph_osd_op *op = (void *)(reqhead + 1);
+	u64 orig_len = *plen;
+	u64 objoff, objlen;    /* extent in object */
+	u64 bno;
+
+	reqhead->snapid = cpu_to_le64(vino.snap);
+
+	/* object extent? */
+	ceph_calc_file_object_mapping(layout, off, plen, &bno,
+				      &objoff, &objlen);
+	if (*plen < orig_len)
+		dout(" skipping last %llu, final file extent %llu~%llu\n",
+		     orig_len - *plen, off, *plen);
+
+	sprintf(req->r_oid, "%llx.%08llx", vino.ino, bno);
+	req->r_oid_len = strlen(req->r_oid);
+
+	op->extent.offset = cpu_to_le64(objoff);
+	op->extent.length = cpu_to_le64(objlen);
+	req->r_num_pages = calc_pages_for(off, *plen);
+
+	dout("calc_layout %s (%d) %llu~%llu (%d pages)\n",
+	     req->r_oid, req->r_oid_len, objoff, objlen, req->r_num_pages);
+}
+
+/*
+ * requests
+ */
+void ceph_osdc_release_request(struct kref *kref)
+{
+	struct ceph_osd_request *req = container_of(kref,
+						    struct ceph_osd_request,
+						    r_kref);
+
+	if (req->r_request)
+		ceph_msg_put(req->r_request);
+	if (req->r_reply)
+		ceph_msg_put(req->r_reply);
+	if (req->r_con_filling_msg) {
+		dout("release_request revoking pages %p from con %p\n",
+		     req->r_pages, req->r_con_filling_msg);
+		ceph_con_revoke_message(req->r_con_filling_msg,
+				      req->r_reply);
+		ceph_con_put(req->r_con_filling_msg);
+	}
+	if (req->r_own_pages)
+		ceph_release_page_vector(req->r_pages,
+					 req->r_num_pages);
+	ceph_put_snap_context(req->r_snapc);
+	if (req->r_mempool)
+		mempool_free(req, req->r_osdc->req_mempool);
+	else
+		kfree(req);
+}
+
+/*
+ * build new request AND message, calculate layout, and adjust file
+ * extent as needed.
+ *
+ * if the file was recently truncated, we include information about its
+ * old and new size so that the object can be updated appropriately.  (we
+ * avoid synchronously deleting truncated objects because it's slow.)
+ *
+ * if @do_sync, include a 'startsync' command so that the osd will flush
+ * data quickly.
+ */
+struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *osdc,
+					       struct ceph_file_layout *layout,
+					       struct ceph_vino vino,
+					       u64 off, u64 *plen,
+					       int opcode, int flags,
+					       struct ceph_snap_context *snapc,
+					       int do_sync,
+					       u32 truncate_seq,
+					       u64 truncate_size,
+					       struct timespec *mtime,
+					       bool use_mempool, int num_reply)
+{
+	struct ceph_osd_request *req;
+	struct ceph_msg *msg;
+	struct ceph_osd_request_head *head;
+	struct ceph_osd_op *op;
+	void *p;
+	int num_op = 1 + do_sync;
+	size_t msg_size = sizeof(*head) + num_op*sizeof(*op);
+	int i;
+
+	if (use_mempool) {
+		req = mempool_alloc(osdc->req_mempool, GFP_NOFS);
+		memset(req, 0, sizeof(*req));
+	} else {
+		req = kzalloc(sizeof(*req), GFP_NOFS);
+	}
+	if (req == NULL)
+		return ERR_PTR(-ENOMEM);
+
+	req->r_osdc = osdc;
+	req->r_mempool = use_mempool;
+	kref_init(&req->r_kref);
+	init_completion(&req->r_completion);
+	init_completion(&req->r_safe_completion);
+	INIT_LIST_HEAD(&req->r_unsafe_item);
+	req->r_flags = flags;
+
+	WARN_ON((flags & (CEPH_OSD_FLAG_READ|CEPH_OSD_FLAG_WRITE)) == 0);
+
+	/* create reply message */
+	if (use_mempool)
+		msg = ceph_msgpool_get(&osdc->msgpool_op_reply, 0);
+	else
+		msg = ceph_msg_new(CEPH_MSG_OSD_OPREPLY,
+				   OSD_OPREPLY_FRONT_LEN, 0, 0, NULL);
+	if (IS_ERR(msg)) {
+		ceph_osdc_put_request(req);
+		return ERR_PTR(PTR_ERR(msg));
+	}
+	req->r_reply = msg;
+
+	/* create request message; allow space for oid */
+	msg_size += 40;
+	if (snapc)
+		msg_size += sizeof(u64) * snapc->num_snaps;
+	if (use_mempool)
+		msg = ceph_msgpool_get(&osdc->msgpool_op, 0);
+	else
+		msg = ceph_msg_new(CEPH_MSG_OSD_OP, msg_size, 0, 0, NULL);
+	if (IS_ERR(msg)) {
+		ceph_osdc_put_request(req);
+		return ERR_PTR(PTR_ERR(msg));
+	}
+	msg->hdr.type = cpu_to_le16(CEPH_MSG_OSD_OP);
+	memset(msg->front.iov_base, 0, msg->front.iov_len);
+	head = msg->front.iov_base;
+	op = (void *)(head + 1);
+	p = (void *)(op + num_op);
+
+	req->r_request = msg;
+	req->r_snapc = ceph_get_snap_context(snapc);
+
+	head->client_inc = cpu_to_le32(1); /* always, for now. */
+	head->flags = cpu_to_le32(flags);
+	if (flags & CEPH_OSD_FLAG_WRITE)
+		ceph_encode_timespec(&head->mtime, mtime);
+	head->num_ops = cpu_to_le16(num_op);
+	op->op = cpu_to_le16(opcode);
+
+	/* calculate max write size */
+	calc_layout(osdc, vino, layout, off, plen, req);
+	req->r_file_layout = *layout;  /* keep a copy */
+
+	if (flags & CEPH_OSD_FLAG_WRITE) {
+		req->r_request->hdr.data_off = cpu_to_le16(off);
+		req->r_request->hdr.data_len = cpu_to_le32(*plen);
+		op->payload_len = cpu_to_le32(*plen);
+	}
+	op->extent.truncate_size = cpu_to_le64(truncate_size);
+	op->extent.truncate_seq = cpu_to_le32(truncate_seq);
+
+	/* fill in oid */
+	head->object_len = cpu_to_le32(req->r_oid_len);
+	memcpy(p, req->r_oid, req->r_oid_len);
+	p += req->r_oid_len;
+
+	if (do_sync) {
+		op++;
+		op->op = cpu_to_le16(CEPH_OSD_OP_STARTSYNC);
+	}
+	if (snapc) {
+		head->snap_seq = cpu_to_le64(snapc->seq);
+		head->num_snaps = cpu_to_le32(snapc->num_snaps);
+		for (i = 0; i < snapc->num_snaps; i++) {
+			put_unaligned_le64(snapc->snaps[i], p);
+			p += sizeof(u64);
+		}
+	}
+
+	BUG_ON(p > msg->front.iov_base + msg->front.iov_len);
+	msg_size = p - msg->front.iov_base;
+	msg->front.iov_len = msg_size;
+	msg->hdr.front_len = cpu_to_le32(msg_size);
+	return req;
+}
+
+/*
+ * We keep osd requests in an rbtree, sorted by ->r_tid.
+ */
+static void __insert_request(struct ceph_osd_client *osdc,
+			     struct ceph_osd_request *new)
+{
+	struct rb_node **p = &osdc->requests.rb_node;
+	struct rb_node *parent = NULL;
+	struct ceph_osd_request *req = NULL;
+
+	while (*p) {
+		parent = *p;
+		req = rb_entry(parent, struct ceph_osd_request, r_node);
+		if (new->r_tid < req->r_tid)
+			p = &(*p)->rb_left;
+		else if (new->r_tid > req->r_tid)
+			p = &(*p)->rb_right;
+		else
+			BUG();
+	}
+
+	rb_link_node(&new->r_node, parent, p);
+	rb_insert_color(&new->r_node, &osdc->requests);
+}
+
+static struct ceph_osd_request *__lookup_request(struct ceph_osd_client *osdc,
+						 u64 tid)
+{
+	struct ceph_osd_request *req;
+	struct rb_node *n = osdc->requests.rb_node;
+
+	while (n) {
+		req = rb_entry(n, struct ceph_osd_request, r_node);
+		if (tid < req->r_tid)
+			n = n->rb_left;
+		else if (tid > req->r_tid)
+			n = n->rb_right;
+		else
+			return req;
+	}
+	return NULL;
+}
+
+static struct ceph_osd_request *
+__lookup_request_ge(struct ceph_osd_client *osdc,
+		    u64 tid)
+{
+	struct ceph_osd_request *req;
+	struct rb_node *n = osdc->requests.rb_node;
+
+	while (n) {
+		req = rb_entry(n, struct ceph_osd_request, r_node);
+		if (tid < req->r_tid) {
+			if (!n->rb_left)
+				return req;
+			n = n->rb_left;
+		} else if (tid > req->r_tid) {
+			n = n->rb_right;
+		} else {
+			return req;
+		}
+	}
+	return NULL;
+}
+
+
+/*
+ * If the osd connection drops, we need to resubmit all requests.
+ */
+static void osd_reset(struct ceph_connection *con)
+{
+	struct ceph_osd *osd = con->private;
+	struct ceph_osd_client *osdc;
+
+	if (!osd)
+		return;
+	dout("osd_reset osd%d\n", osd->o_osd);
+	osdc = osd->o_osdc;
+	down_read(&osdc->map_sem);
+	kick_requests(osdc, osd);
+	up_read(&osdc->map_sem);
+}
+
+/*
+ * Track open sessions with osds.
+ */
+static struct ceph_osd *create_osd(struct ceph_osd_client *osdc)
+{
+	struct ceph_osd *osd;
+
+	osd = kzalloc(sizeof(*osd), GFP_NOFS);
+	if (!osd)
+		return NULL;
+
+	atomic_set(&osd->o_ref, 1);
+	osd->o_osdc = osdc;
+	INIT_LIST_HEAD(&osd->o_requests);
+	INIT_LIST_HEAD(&osd->o_osd_lru);
+	osd->o_incarnation = 1;
+
+	ceph_con_init(osdc->client->msgr, &osd->o_con);
+	osd->o_con.private = osd;
+	osd->o_con.ops = &osd_con_ops;
+	osd->o_con.peer_name.type = CEPH_ENTITY_TYPE_OSD;
+
+	INIT_LIST_HEAD(&osd->o_keepalive_item);
+	return osd;
+}
+
+static struct ceph_osd *get_osd(struct ceph_osd *osd)
+{
+	if (atomic_inc_not_zero(&osd->o_ref)) {
+		dout("get_osd %p %d -> %d\n", osd, atomic_read(&osd->o_ref)-1,
+		     atomic_read(&osd->o_ref));
+		return osd;
+	} else {
+		dout("get_osd %p FAIL\n", osd);
+		return NULL;
+	}
+}
+
+static void put_osd(struct ceph_osd *osd)
+{
+	dout("put_osd %p %d -> %d\n", osd, atomic_read(&osd->o_ref),
+	     atomic_read(&osd->o_ref) - 1);
+	if (atomic_dec_and_test(&osd->o_ref))
+		kfree(osd);
+}
+
+/*
+ * remove an osd from our map
+ */
+static void __remove_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd)
+{
+	dout("__remove_osd %p\n", osd);
+	BUG_ON(!list_empty(&osd->o_requests));
+	rb_erase(&osd->o_node, &osdc->osds);
+	list_del_init(&osd->o_osd_lru);
+	ceph_con_close(&osd->o_con);
+	put_osd(osd);
+}
+
+static void __move_osd_to_lru(struct ceph_osd_client *osdc,
+			      struct ceph_osd *osd)
+{
+	dout("__move_osd_to_lru %p\n", osd);
+	BUG_ON(!list_empty(&osd->o_osd_lru));
+	list_add_tail(&osd->o_osd_lru, &osdc->osd_lru);
+	osd->lru_ttl = jiffies + osdc->client->mount_args->osd_idle_ttl * HZ;
+}
+
+static void __remove_osd_from_lru(struct ceph_osd *osd)
+{
+	dout("__remove_osd_from_lru %p\n", osd);
+	if (!list_empty(&osd->o_osd_lru))
+		list_del_init(&osd->o_osd_lru);
+}
+
+static void remove_old_osds(struct ceph_osd_client *osdc, int remove_all)
+{
+	struct ceph_osd *osd, *nosd;
+
+	dout("__remove_old_osds %p\n", osdc);
+	mutex_lock(&osdc->request_mutex);
+	list_for_each_entry_safe(osd, nosd, &osdc->osd_lru, o_osd_lru) {
+		if (!remove_all && time_before(jiffies, osd->lru_ttl))
+			break;
+		__remove_osd(osdc, osd);
+	}
+	mutex_unlock(&osdc->request_mutex);
+}
+
+/*
+ * reset osd connect
+ */
+static int __reset_osd(struct ceph_osd_client *osdc, struct ceph_osd *osd)
+{
+	struct ceph_osd_request *req;
+	int ret = 0;
+
+	dout("__reset_osd %p osd%d\n", osd, osd->o_osd);
+	if (list_empty(&osd->o_requests)) {
+		__remove_osd(osdc, osd);
+	} else if (memcmp(&osdc->osdmap->osd_addr[osd->o_osd],
+			  &osd->o_con.peer_addr,
+			  sizeof(osd->o_con.peer_addr)) == 0 &&
+		   !ceph_con_opened(&osd->o_con)) {
+		dout(" osd addr hasn't changed and connection never opened,"
+		     " letting msgr retry");
+		/* touch each r_stamp for handle_timeout()'s benfit */
+		list_for_each_entry(req, &osd->o_requests, r_osd_item)
+			req->r_stamp = jiffies;
+		ret = -EAGAIN;
+	} else {
+		ceph_con_close(&osd->o_con);
+		ceph_con_open(&osd->o_con, &osdc->osdmap->osd_addr[osd->o_osd]);
+		osd->o_incarnation++;
+	}
+	return ret;
+}
+
+static void __insert_osd(struct ceph_osd_client *osdc, struct ceph_osd *new)
+{
+	struct rb_node **p = &osdc->osds.rb_node;
+	struct rb_node *parent = NULL;
+	struct ceph_osd *osd = NULL;
+
+	while (*p) {
+		parent = *p;
+		osd = rb_entry(parent, struct ceph_osd, o_node);
+		if (new->o_osd < osd->o_osd)
+			p = &(*p)->rb_left;
+		else if (new->o_osd > osd->o_osd)
+			p = &(*p)->rb_right;
+		else
+			BUG();
+	}
+
+	rb_link_node(&new->o_node, parent, p);
+	rb_insert_color(&new->o_node, &osdc->osds);
+}
+
+static struct ceph_osd *__lookup_osd(struct ceph_osd_client *osdc, int o)
+{
+	struct ceph_osd *osd;
+	struct rb_node *n = osdc->osds.rb_node;
+
+	while (n) {
+		osd = rb_entry(n, struct ceph_osd, o_node);
+		if (o < osd->o_osd)
+			n = n->rb_left;
+		else if (o > osd->o_osd)
+			n = n->rb_right;
+		else
+			return osd;
+	}
+	return NULL;
+}
+
+static void __schedule_osd_timeout(struct ceph_osd_client *osdc)
+{
+	schedule_delayed_work(&osdc->timeout_work,
+			osdc->client->mount_args->osd_keepalive_timeout * HZ);
+}
+
+static void __cancel_osd_timeout(struct ceph_osd_client *osdc)
+{
+	cancel_delayed_work(&osdc->timeout_work);
+}
+
+/*
+ * Register request, assign tid.  If this is the first request, set up
+ * the timeout event.
+ */
+static void register_request(struct ceph_osd_client *osdc,
+			     struct ceph_osd_request *req)
+{
+	mutex_lock(&osdc->request_mutex);
+	req->r_tid = ++osdc->last_tid;
+	req->r_request->hdr.tid = cpu_to_le64(req->r_tid);
+	INIT_LIST_HEAD(&req->r_req_lru_item);
+
+	dout("register_request %p tid %lld\n", req, req->r_tid);
+	__insert_request(osdc, req);
+	ceph_osdc_get_request(req);
+	osdc->num_requests++;
+
+	if (osdc->num_requests == 1) {
+		dout(" first request, scheduling timeout\n");
+		__schedule_osd_timeout(osdc);
+	}
+	mutex_unlock(&osdc->request_mutex);
+}
+
+/*
+ * called under osdc->request_mutex
+ */
+static void __unregister_request(struct ceph_osd_client *osdc,
+				 struct ceph_osd_request *req)
+{
+	dout("__unregister_request %p tid %lld\n", req, req->r_tid);
+	rb_erase(&req->r_node, &osdc->requests);
+	osdc->num_requests--;
+
+	if (req->r_osd) {
+		/* make sure the original request isn't in flight. */
+		ceph_con_revoke(&req->r_osd->o_con, req->r_request);
+
+		list_del_init(&req->r_osd_item);
+		if (list_empty(&req->r_osd->o_requests))
+			__move_osd_to_lru(osdc, req->r_osd);
+		req->r_osd = NULL;
+	}
+
+	ceph_osdc_put_request(req);
+
+	list_del_init(&req->r_req_lru_item);
+	if (osdc->num_requests == 0) {
+		dout(" no requests, canceling timeout\n");
+		__cancel_osd_timeout(osdc);
+	}
+}
+
+/*
+ * Cancel a previously queued request message
+ */
+static void __cancel_request(struct ceph_osd_request *req)
+{
+	if (req->r_sent) {
+		ceph_con_revoke(&req->r_osd->o_con, req->r_request);
+		req->r_sent = 0;
+	}
+	list_del_init(&req->r_req_lru_item);
+}
+
+/*
+ * Pick an osd (the first 'up' osd in the pg), allocate the osd struct
+ * (as needed), and set the request r_osd appropriately.  If there is
+ * no up osd, set r_osd to NULL.
+ *
+ * Return 0 if unchanged, 1 if changed, or negative on error.
+ *
+ * Caller should hold map_sem for read and request_mutex.
+ */
+static int __map_osds(struct ceph_osd_client *osdc,
+		      struct ceph_osd_request *req)
+{
+	struct ceph_osd_request_head *reqhead = req->r_request->front.iov_base;
+	struct ceph_pg pgid;
+	int o = -1;
+	int err;
+
+	dout("map_osds %p tid %lld\n", req, req->r_tid);
+	err = ceph_calc_object_layout(&reqhead->layout, req->r_oid,
+				      &req->r_file_layout, osdc->osdmap);
+	if (err)
+		return err;
+	pgid = reqhead->layout.ol_pgid;
+	req->r_pgid = pgid;
+
+	o = ceph_calc_pg_primary(osdc->osdmap, pgid);
+
+	if ((req->r_osd && req->r_osd->o_osd == o &&
+	     req->r_sent >= req->r_osd->o_incarnation) ||
+	    (req->r_osd == NULL && o == -1))
+		return 0;  /* no change */
+
+	dout("map_osds tid %llu pgid %d.%x osd%d (was osd%d)\n",
+	     req->r_tid, le32_to_cpu(pgid.pool), le16_to_cpu(pgid.ps), o,
+	     req->r_osd ? req->r_osd->o_osd : -1);
+
+	if (req->r_osd) {
+		__cancel_request(req);
+		list_del_init(&req->r_osd_item);
+		req->r_osd = NULL;
+	}
+
+	req->r_osd = __lookup_osd(osdc, o);
+	if (!req->r_osd && o >= 0) {
+		err = -ENOMEM;
+		req->r_osd = create_osd(osdc);
+		if (!req->r_osd)
+			goto out;
+
+		dout("map_osds osd %p is osd%d\n", req->r_osd, o);
+		req->r_osd->o_osd = o;
+		req->r_osd->o_con.peer_name.num = cpu_to_le64(o);
+		__insert_osd(osdc, req->r_osd);
+
+		ceph_con_open(&req->r_osd->o_con, &osdc->osdmap->osd_addr[o]);
+	}
+
+	if (req->r_osd) {
+		__remove_osd_from_lru(req->r_osd);
+		list_add(&req->r_osd_item, &req->r_osd->o_requests);
+	}
+	err = 1;   /* osd changed */
+
+out:
+	return err;
+}
+
+/*
+ * caller should hold map_sem (for read) and request_mutex
+ */
+static int __send_request(struct ceph_osd_client *osdc,
+			  struct ceph_osd_request *req)
+{
+	struct ceph_osd_request_head *reqhead;
+	int err;
+
+	err = __map_osds(osdc, req);
+	if (err < 0)
+		return err;
+	if (req->r_osd == NULL) {
+		dout("send_request %p no up osds in pg\n", req);
+		ceph_monc_request_next_osdmap(&osdc->client->monc);
+		return 0;
+	}
+
+	dout("send_request %p tid %llu to osd%d flags %d\n",
+	     req, req->r_tid, req->r_osd->o_osd, req->r_flags);
+
+	reqhead = req->r_request->front.iov_base;
+	reqhead->osdmap_epoch = cpu_to_le32(osdc->osdmap->epoch);
+	reqhead->flags |= cpu_to_le32(req->r_flags);  /* e.g., RETRY */
+	reqhead->reassert_version = req->r_reassert_version;
+
+	req->r_stamp = jiffies;
+	list_move_tail(&osdc->req_lru, &req->r_req_lru_item);
+
+	ceph_msg_get(req->r_request); /* send consumes a ref */
+	ceph_con_send(&req->r_osd->o_con, req->r_request);
+	req->r_sent = req->r_osd->o_incarnation;
+	return 0;
+}
+
+/*
+ * Timeout callback, called every N seconds when 1 or more osd
+ * requests has been active for more than N seconds.  When this
+ * happens, we ping all OSDs with requests who have timed out to
+ * ensure any communications channel reset is detected.  Reset the
+ * request timeouts another N seconds in the future as we go.
+ * Reschedule the timeout event another N seconds in future (unless
+ * there are no open requests).
+ */
+static void handle_timeout(struct work_struct *work)
+{
+	struct ceph_osd_client *osdc =
+		container_of(work, struct ceph_osd_client, timeout_work.work);
+	struct ceph_osd_request *req, *last_req = NULL;
+	struct ceph_osd *osd;
+	unsigned long timeout = osdc->client->mount_args->osd_timeout * HZ;
+	unsigned long keepalive =
+		osdc->client->mount_args->osd_keepalive_timeout * HZ;
+	unsigned long last_stamp = 0;
+	struct rb_node *p;
+	struct list_head slow_osds;
+
+	dout("timeout\n");
+	down_read(&osdc->map_sem);
+
+	ceph_monc_request_next_osdmap(&osdc->client->monc);
+
+	mutex_lock(&osdc->request_mutex);
+	for (p = rb_first(&osdc->requests); p; p = rb_next(p)) {
+		req = rb_entry(p, struct ceph_osd_request, r_node);
+
+		if (req->r_resend) {
+			int err;
+
+			dout("osdc resending prev failed %lld\n", req->r_tid);
+			err = __send_request(osdc, req);
+			if (err)
+				dout("osdc failed again on %lld\n", req->r_tid);
+			else
+				req->r_resend = false;
+			continue;
+		}
+	}
+
+	/*
+	 * reset osds that appear to be _really_ unresponsive.  this
+	 * is a failsafe measure.. we really shouldn't be getting to
+	 * this point if the system is working properly.  the monitors
+	 * should mark the osd as failed and we should find out about
+	 * it from an updated osd map.
+	 */
+	while (!list_empty(&osdc->req_lru)) {
+		req = list_entry(osdc->req_lru.next, struct ceph_osd_request,
+				 r_req_lru_item);
+
+		if (time_before(jiffies, req->r_stamp + timeout))
+			break;
+
+		BUG_ON(req == last_req && req->r_stamp == last_stamp);
+		last_req = req;
+		last_stamp = req->r_stamp;
+
+		osd = req->r_osd;
+		BUG_ON(!osd);
+		pr_warning(" tid %llu timed out on osd%d, will reset osd\n",
+			   req->r_tid, osd->o_osd);
+		__kick_requests(osdc, osd);
+	}
+
+	/*
+	 * ping osds that are a bit slow.  this ensures that if there
+	 * is a break in the TCP connection we will notice, and reopen
+	 * a connection with that osd (from the fault callback).
+	 */
+	INIT_LIST_HEAD(&slow_osds);
+	list_for_each_entry(req, &osdc->req_lru, r_req_lru_item) {
+		if (time_before(jiffies, req->r_stamp + keepalive))
+			break;
+
+		osd = req->r_osd;
+		BUG_ON(!osd);
+		dout(" tid %llu is slow, will send keepalive on osd%d\n",
+		     req->r_tid, osd->o_osd);
+		list_move_tail(&osd->o_keepalive_item, &slow_osds);
+	}
+	while (!list_empty(&slow_osds)) {
+		osd = list_entry(slow_osds.next, struct ceph_osd,
+				 o_keepalive_item);
+		list_del_init(&osd->o_keepalive_item);
+		ceph_con_keepalive(&osd->o_con);
+	}
+
+	__schedule_osd_timeout(osdc);
+	mutex_unlock(&osdc->request_mutex);
+
+	up_read(&osdc->map_sem);
+}
+
+static void handle_osds_timeout(struct work_struct *work)
+{
+	struct ceph_osd_client *osdc =
+		container_of(work, struct ceph_osd_client,
+			     osds_timeout_work.work);
+	unsigned long delay =
+		osdc->client->mount_args->osd_idle_ttl * HZ >> 2;
+
+	dout("osds timeout\n");
+	down_read(&osdc->map_sem);
+	remove_old_osds(osdc, 0);
+	up_read(&osdc->map_sem);
+
+	schedule_delayed_work(&osdc->osds_timeout_work,
+			      round_jiffies_relative(delay));
+}
+
+/*
+ * handle osd op reply.  either call the callback if it is specified,
+ * or do the completion to wake up the waiting thread.
+ */
+static void handle_reply(struct ceph_osd_client *osdc, struct ceph_msg *msg,
+			 struct ceph_connection *con)
+{
+	struct ceph_osd_reply_head *rhead = msg->front.iov_base;
+	struct ceph_osd_request *req;
+	u64 tid;
+	int numops, object_len, flags;
+
+	tid = le64_to_cpu(msg->hdr.tid);
+	if (msg->front.iov_len < sizeof(*rhead))
+		goto bad;
+	numops = le32_to_cpu(rhead->num_ops);
+	object_len = le32_to_cpu(rhead->object_len);
+	if (msg->front.iov_len != sizeof(*rhead) + object_len +
+	    numops * sizeof(struct ceph_osd_op))
+		goto bad;
+	dout("handle_reply %p tid %llu\n", msg, tid);
+
+	/* lookup */
+	mutex_lock(&osdc->request_mutex);
+	req = __lookup_request(osdc, tid);
+	if (req == NULL) {
+		dout("handle_reply tid %llu dne\n", tid);
+		mutex_unlock(&osdc->request_mutex);
+		return;
+	}
+	ceph_osdc_get_request(req);
+	flags = le32_to_cpu(rhead->flags);
+
+	/*
+	 * if this connection filled our message, drop our reference now, to
+	 * avoid a (safe but slower) revoke later.
+	 */
+	if (req->r_con_filling_msg == con && req->r_reply == msg) {
+		dout(" dropping con_filling_msg ref %p\n", con);
+		req->r_con_filling_msg = NULL;
+		ceph_con_put(con);
+	}
+
+	if (!req->r_got_reply) {
+		unsigned bytes;
+
+		req->r_result = le32_to_cpu(rhead->result);
+		bytes = le32_to_cpu(msg->hdr.data_len);
+		dout("handle_reply result %d bytes %d\n", req->r_result,
+		     bytes);
+		if (req->r_result == 0)
+			req->r_result = bytes;
+
+		/* in case this is a write and we need to replay, */
+		req->r_reassert_version = rhead->reassert_version;
+
+		req->r_got_reply = 1;
+	} else if ((flags & CEPH_OSD_FLAG_ONDISK) == 0) {
+		dout("handle_reply tid %llu dup ack\n", tid);
+		mutex_unlock(&osdc->request_mutex);
+		goto done;
+	}
+
+	dout("handle_reply tid %llu flags %d\n", tid, flags);
+
+	/* either this is a read, or we got the safe response */
+	if ((flags & CEPH_OSD_FLAG_ONDISK) ||
+	    ((flags & CEPH_OSD_FLAG_WRITE) == 0))
+		__unregister_request(osdc, req);
+
+	mutex_unlock(&osdc->request_mutex);
+
+	if (req->r_callback)
+		req->r_callback(req, msg);
+	else
+		complete(&req->r_completion);
+
+	if (flags & CEPH_OSD_FLAG_ONDISK) {
+		if (req->r_safe_callback)
+			req->r_safe_callback(req, msg);
+		complete(&req->r_safe_completion);  /* fsync waiter */
+	}
+
+done:
+	ceph_osdc_put_request(req);
+	return;
+
+bad:
+	pr_err("corrupt osd_op_reply got %d %d expected %d\n",
+	       (int)msg->front.iov_len, le32_to_cpu(msg->hdr.front_len),
+	       (int)sizeof(*rhead));
+	ceph_msg_dump(msg);
+}
+
+
+static int __kick_requests(struct ceph_osd_client *osdc,
+			  struct ceph_osd *kickosd)
+{
+	struct ceph_osd_request *req;
+	struct rb_node *p, *n;
+	int needmap = 0;
+	int err;
+
+	dout("kick_requests osd%d\n", kickosd ? kickosd->o_osd : -1);
+	if (kickosd) {
+		err = __reset_osd(osdc, kickosd);
+		if (err == -EAGAIN)
+			return 1;
+	} else {
+		for (p = rb_first(&osdc->osds); p; p = n) {
+			struct ceph_osd *osd =
+				rb_entry(p, struct ceph_osd, o_node);
+
+			n = rb_next(p);
+			if (!ceph_osd_is_up(osdc->osdmap, osd->o_osd) ||
+			    memcmp(&osd->o_con.peer_addr,
+				   ceph_osd_addr(osdc->osdmap,
+						 osd->o_osd),
+				   sizeof(struct ceph_entity_addr)) != 0)
+				__reset_osd(osdc, osd);
+		}
+	}
+
+	for (p = rb_first(&osdc->requests); p; p = rb_next(p)) {
+		req = rb_entry(p, struct ceph_osd_request, r_node);
+
+		if (req->r_resend) {
+			dout(" r_resend set on tid %llu\n", req->r_tid);
+			__cancel_request(req);
+			goto kick;
+		}
+		if (req->r_osd && kickosd == req->r_osd) {
+			__cancel_request(req);
+			goto kick;
+		}
+
+		err = __map_osds(osdc, req);
+		if (err == 0)
+			continue;  /* no change */
+		if (err < 0) {
+			/*
+			 * FIXME: really, we should set the request
+			 * error and fail if this isn't a 'nofail'
+			 * request, but that's a fair bit more
+			 * complicated to do.  So retry!
+			 */
+			dout(" setting r_resend on %llu\n", req->r_tid);
+			req->r_resend = true;
+			continue;
+		}
+		if (req->r_osd == NULL) {
+			dout("tid %llu maps to no valid osd\n", req->r_tid);
+			needmap++;  /* request a newer map */
+			continue;
+		}
+
+kick:
+		dout("kicking %p tid %llu osd%d\n", req, req->r_tid,
+		     req->r_osd ? req->r_osd->o_osd : -1);
+		req->r_flags |= CEPH_OSD_FLAG_RETRY;
+		err = __send_request(osdc, req);
+		if (err) {
+			dout(" setting r_resend on %llu\n", req->r_tid);
+			req->r_resend = true;
+		}
+	}
+
+	return needmap;
+}
+
+/*
+ * Resubmit osd requests whose osd or osd address has changed.  Request
+ * a new osd map if osds are down, or we are otherwise unable to determine
+ * how to direct a request.
+ *
+ * Close connections to down osds.
+ *
+ * If @who is specified, resubmit requests for that specific osd.
+ *
+ * Caller should hold map_sem for read and request_mutex.
+ */
+static void kick_requests(struct ceph_osd_client *osdc,
+			  struct ceph_osd *kickosd)
+{
+	int needmap;
+
+	mutex_lock(&osdc->request_mutex);
+	needmap = __kick_requests(osdc, kickosd);
+	mutex_unlock(&osdc->request_mutex);
+
+	if (needmap) {
+		dout("%d requests for down osds, need new map\n", needmap);
+		ceph_monc_request_next_osdmap(&osdc->client->monc);
+	}
+
+}
+/*
+ * Process updated osd map.
+ *
+ * The message contains any number of incremental and full maps, normally
+ * indicating some sort of topology change in the cluster.  Kick requests
+ * off to different OSDs as needed.
+ */
+void ceph_osdc_handle_map(struct ceph_osd_client *osdc, struct ceph_msg *msg)
+{
+	void *p, *end, *next;
+	u32 nr_maps, maplen;
+	u32 epoch;
+	struct ceph_osdmap *newmap = NULL, *oldmap;
+	int err;
+	struct ceph_fsid fsid;
+
+	dout("handle_map have %u\n", osdc->osdmap ? osdc->osdmap->epoch : 0);
+	p = msg->front.iov_base;
+	end = p + msg->front.iov_len;
+
+	/* verify fsid */
+	ceph_decode_need(&p, end, sizeof(fsid), bad);
+	ceph_decode_copy(&p, &fsid, sizeof(fsid));
+	if (ceph_check_fsid(osdc->client, &fsid) < 0)
+		return;
+
+	down_write(&osdc->map_sem);
+
+	/* incremental maps */
+	ceph_decode_32_safe(&p, end, nr_maps, bad);
+	dout(" %d inc maps\n", nr_maps);
+	while (nr_maps > 0) {
+		ceph_decode_need(&p, end, 2*sizeof(u32), bad);
+		epoch = ceph_decode_32(&p);
+		maplen = ceph_decode_32(&p);
+		ceph_decode_need(&p, end, maplen, bad);
+		next = p + maplen;
+		if (osdc->osdmap && osdc->osdmap->epoch+1 == epoch) {
+			dout("applying incremental map %u len %d\n",
+			     epoch, maplen);
+			newmap = osdmap_apply_incremental(&p, next,
+							  osdc->osdmap,
+							  osdc->client->msgr);
+			if (IS_ERR(newmap)) {
+				err = PTR_ERR(newmap);
+				goto bad;
+			}
+			BUG_ON(!newmap);
+			if (newmap != osdc->osdmap) {
+				ceph_osdmap_destroy(osdc->osdmap);
+				osdc->osdmap = newmap;
+			}
+		} else {
+			dout("ignoring incremental map %u len %d\n",
+			     epoch, maplen);
+		}
+		p = next;
+		nr_maps--;
+	}
+	if (newmap)
+		goto done;
+
+	/* full maps */
+	ceph_decode_32_safe(&p, end, nr_maps, bad);
+	dout(" %d full maps\n", nr_maps);
+	while (nr_maps) {
+		ceph_decode_need(&p, end, 2*sizeof(u32), bad);
+		epoch = ceph_decode_32(&p);
+		maplen = ceph_decode_32(&p);
+		ceph_decode_need(&p, end, maplen, bad);
+		if (nr_maps > 1) {
+			dout("skipping non-latest full map %u len %d\n",
+			     epoch, maplen);
+		} else if (osdc->osdmap && osdc->osdmap->epoch >= epoch) {
+			dout("skipping full map %u len %d, "
+			     "older than our %u\n", epoch, maplen,
+			     osdc->osdmap->epoch);
+		} else {
+			dout("taking full map %u len %d\n", epoch, maplen);
+			newmap = osdmap_decode(&p, p+maplen);
+			if (IS_ERR(newmap)) {
+				err = PTR_ERR(newmap);
+				goto bad;
+			}
+			BUG_ON(!newmap);
+			oldmap = osdc->osdmap;
+			osdc->osdmap = newmap;
+			if (oldmap)
+				ceph_osdmap_destroy(oldmap);
+		}
+		p += maplen;
+		nr_maps--;
+	}
+
+done:
+	downgrade_write(&osdc->map_sem);
+	ceph_monc_got_osdmap(&osdc->client->monc, osdc->osdmap->epoch);
+	if (newmap)
+		kick_requests(osdc, NULL);
+	up_read(&osdc->map_sem);
+	return;
+
+bad:
+	pr_err("osdc handle_map corrupt msg\n");
+	ceph_msg_dump(msg);
+	up_write(&osdc->map_sem);
+	return;
+}
+
+
+/*
+ * A read request prepares specific pages that data is to be read into.
+ * When a message is being read off the wire, we call prepare_pages to
+ * find those pages.
+ *  0 = success, -1 failure.
+ */
+static int __prepare_pages(struct ceph_connection *con,
+			 struct ceph_msg_header *hdr,
+			 struct ceph_osd_request *req,
+			 u64 tid,
+			 struct ceph_msg *m)
+{
+	struct ceph_osd *osd = con->private;
+	struct ceph_osd_client *osdc;
+	int ret = -1;
+	int data_len = le32_to_cpu(hdr->data_len);
+	unsigned data_off = le16_to_cpu(hdr->data_off);
+
+	int want = calc_pages_for(data_off & ~PAGE_MASK, data_len);
+
+	if (!osd)
+		return -1;
+
+	osdc = osd->o_osdc;
+
+	dout("__prepare_pages on msg %p tid %llu, has %d pages, want %d\n", m,
+	     tid, req->r_num_pages, want);
+	if (unlikely(req->r_num_pages < want))
+		goto out;
+	m->pages = req->r_pages;
+	m->nr_pages = req->r_num_pages;
+	ret = 0; /* success */
+out:
+	BUG_ON(ret < 0 || m->nr_pages < want);
+
+	return ret;
+}
+
+/*
+ * Register request, send initial attempt.
+ */
+int ceph_osdc_start_request(struct ceph_osd_client *osdc,
+			    struct ceph_osd_request *req,
+			    bool nofail)
+{
+	int rc = 0;
+
+	req->r_request->pages = req->r_pages;
+	req->r_request->nr_pages = req->r_num_pages;
+
+	register_request(osdc, req);
+
+	down_read(&osdc->map_sem);
+	mutex_lock(&osdc->request_mutex);
+	/*
+	 * a racing kick_requests() may have sent the message for us
+	 * while we dropped request_mutex above, so only send now if
+	 * the request still han't been touched yet.
+	 */
+	if (req->r_sent == 0) {
+		rc = __send_request(osdc, req);
+		if (rc) {
+			if (nofail) {
+				dout("osdc_start_request failed send, "
+				     " marking %lld\n", req->r_tid);
+				req->r_resend = true;
+				rc = 0;
+			} else {
+				__unregister_request(osdc, req);
+			}
+		}
+	}
+	mutex_unlock(&osdc->request_mutex);
+	up_read(&osdc->map_sem);
+	return rc;
+}
+
+/*
+ * wait for a request to complete
+ */
+int ceph_osdc_wait_request(struct ceph_osd_client *osdc,
+			   struct ceph_osd_request *req)
+{
+	int rc;
+
+	rc = wait_for_completion_interruptible(&req->r_completion);
+	if (rc < 0) {
+		mutex_lock(&osdc->request_mutex);
+		__cancel_request(req);
+		__unregister_request(osdc, req);
+		mutex_unlock(&osdc->request_mutex);
+		dout("wait_request tid %llu canceled/timed out\n", req->r_tid);
+		return rc;
+	}
+
+	dout("wait_request tid %llu result %d\n", req->r_tid, req->r_result);
+	return req->r_result;
+}
+
+/*
+ * sync - wait for all in-flight requests to flush.  avoid starvation.
+ */
+void ceph_osdc_sync(struct ceph_osd_client *osdc)
+{
+	struct ceph_osd_request *req;
+	u64 last_tid, next_tid = 0;
+
+	mutex_lock(&osdc->request_mutex);
+	last_tid = osdc->last_tid;
+	while (1) {
+		req = __lookup_request_ge(osdc, next_tid);
+		if (!req)
+			break;
+		if (req->r_tid > last_tid)
+			break;
+
+		next_tid = req->r_tid + 1;
+		if ((req->r_flags & CEPH_OSD_FLAG_WRITE) == 0)
+			continue;
+
+		ceph_osdc_get_request(req);
+		mutex_unlock(&osdc->request_mutex);
+		dout("sync waiting on tid %llu (last is %llu)\n",
+		     req->r_tid, last_tid);
+		wait_for_completion(&req->r_safe_completion);
+		mutex_lock(&osdc->request_mutex);
+		ceph_osdc_put_request(req);
+	}
+	mutex_unlock(&osdc->request_mutex);
+	dout("sync done (thru tid %llu)\n", last_tid);
+}
+
+/*
+ * init, shutdown
+ */
+int ceph_osdc_init(struct ceph_osd_client *osdc, struct ceph_client *client)
+{
+	int err;
+
+	dout("init\n");
+	osdc->client = client;
+	osdc->osdmap = NULL;
+	init_rwsem(&osdc->map_sem);
+	init_completion(&osdc->map_waiters);
+	osdc->last_requested_map = 0;
+	mutex_init(&osdc->request_mutex);
+	osdc->last_tid = 0;
+	osdc->osds = RB_ROOT;
+	INIT_LIST_HEAD(&osdc->osd_lru);
+	osdc->requests = RB_ROOT;
+	INIT_LIST_HEAD(&osdc->req_lru);
+	osdc->num_requests = 0;
+	INIT_DELAYED_WORK(&osdc->timeout_work, handle_timeout);
+	INIT_DELAYED_WORK(&osdc->osds_timeout_work, handle_osds_timeout);
+
+	schedule_delayed_work(&osdc->osds_timeout_work,
+	   round_jiffies_relative(osdc->client->mount_args->osd_idle_ttl * HZ));
+
+	err = -ENOMEM;
+	osdc->req_mempool = mempool_create_kmalloc_pool(10,
+					sizeof(struct ceph_osd_request));
+	if (!osdc->req_mempool)
+		goto out;
+
+	err = ceph_msgpool_init(&osdc->msgpool_op, OSD_OP_FRONT_LEN, 10, true);
+	if (err < 0)
+		goto out_mempool;
+	err = ceph_msgpool_init(&osdc->msgpool_op_reply,
+				OSD_OPREPLY_FRONT_LEN, 10, true);
+	if (err < 0)
+		goto out_msgpool;
+	return 0;
+
+out_msgpool:
+	ceph_msgpool_destroy(&osdc->msgpool_op);
+out_mempool:
+	mempool_destroy(osdc->req_mempool);
+out:
+	return err;
+}
+
+void ceph_osdc_stop(struct ceph_osd_client *osdc)
+{
+	cancel_delayed_work_sync(&osdc->timeout_work);
+	cancel_delayed_work_sync(&osdc->osds_timeout_work);
+	if (osdc->osdmap) {
+		ceph_osdmap_destroy(osdc->osdmap);
+		osdc->osdmap = NULL;
+	}
+	remove_old_osds(osdc, 1);
+	mempool_destroy(osdc->req_mempool);
+	ceph_msgpool_destroy(&osdc->msgpool_op);
+	ceph_msgpool_destroy(&osdc->msgpool_op_reply);
+}
+
+/*
+ * Read some contiguous pages.  If we cross a stripe boundary, shorten
+ * *plen.  Return number of bytes read, or error.
+ */
+int ceph_osdc_readpages(struct ceph_osd_client *osdc,
+			struct ceph_vino vino, struct ceph_file_layout *layout,
+			u64 off, u64 *plen,
+			u32 truncate_seq, u64 truncate_size,
+			struct page **pages, int num_pages)
+{
+	struct ceph_osd_request *req;
+	int rc = 0;
+
+	dout("readpages on ino %llx.%llx on %llu~%llu\n", vino.ino,
+	     vino.snap, off, *plen);
+	req = ceph_osdc_new_request(osdc, layout, vino, off, plen,
+				    CEPH_OSD_OP_READ, CEPH_OSD_FLAG_READ,
+				    NULL, 0, truncate_seq, truncate_size, NULL,
+				    false, 1);
+	if (IS_ERR(req))
+		return PTR_ERR(req);
+
+	/* it may be a short read due to an object boundary */
+	req->r_pages = pages;
+	num_pages = calc_pages_for(off, *plen);
+	req->r_num_pages = num_pages;
+
+	dout("readpages  final extent is %llu~%llu (%d pages)\n",
+	     off, *plen, req->r_num_pages);
+
+	rc = ceph_osdc_start_request(osdc, req, false);
+	if (!rc)
+		rc = ceph_osdc_wait_request(osdc, req);
+
+	ceph_osdc_put_request(req);
+	dout("readpages result %d\n", rc);
+	return rc;
+}
+
+/*
+ * do a synchronous write on N pages
+ */
+int ceph_osdc_writepages(struct ceph_osd_client *osdc, struct ceph_vino vino,
+			 struct ceph_file_layout *layout,
+			 struct ceph_snap_context *snapc,
+			 u64 off, u64 len,
+			 u32 truncate_seq, u64 truncate_size,
+			 struct timespec *mtime,
+			 struct page **pages, int num_pages,
+			 int flags, int do_sync, bool nofail)
+{
+	struct ceph_osd_request *req;
+	int rc = 0;
+
+	BUG_ON(vino.snap != CEPH_NOSNAP);
+	req = ceph_osdc_new_request(osdc, layout, vino, off, &len,
+				    CEPH_OSD_OP_WRITE,
+				    flags | CEPH_OSD_FLAG_ONDISK |
+					    CEPH_OSD_FLAG_WRITE,
+				    snapc, do_sync,
+				    truncate_seq, truncate_size, mtime,
+				    nofail, 1);
+	if (IS_ERR(req))
+		return PTR_ERR(req);
+
+	/* it may be a short write due to an object boundary */
+	req->r_pages = pages;
+	req->r_num_pages = calc_pages_for(off, len);
+	dout("writepages %llu~%llu (%d pages)\n", off, len,
+	     req->r_num_pages);
+
+	rc = ceph_osdc_start_request(osdc, req, nofail);
+	if (!rc)
+		rc = ceph_osdc_wait_request(osdc, req);
+
+	ceph_osdc_put_request(req);
+	if (rc == 0)
+		rc = len;
+	dout("writepages result %d\n", rc);
+	return rc;
+}
+
+/*
+ * handle incoming message
+ */
+static void dispatch(struct ceph_connection *con, struct ceph_msg *msg)
+{
+	struct ceph_osd *osd = con->private;
+	struct ceph_osd_client *osdc;
+	int type = le16_to_cpu(msg->hdr.type);
+
+	if (!osd)
+		return;
+	osdc = osd->o_osdc;
+
+	switch (type) {
+	case CEPH_MSG_OSD_MAP:
+		ceph_osdc_handle_map(osdc, msg);
+		break;
+	case CEPH_MSG_OSD_OPREPLY:
+		handle_reply(osdc, msg, con);
+		break;
+
+	default:
+		pr_err("received unknown message type %d %s\n", type,
+		       ceph_msg_type_name(type));
+	}
+	ceph_msg_put(msg);
+}
+
+/*
+ * lookup and return message for incoming reply
+ */
+static struct ceph_msg *get_reply(struct ceph_connection *con,
+				  struct ceph_msg_header *hdr,
+				  int *skip)
+{
+	struct ceph_osd *osd = con->private;
+	struct ceph_osd_client *osdc = osd->o_osdc;
+	struct ceph_msg *m;
+	struct ceph_osd_request *req;
+	int front = le32_to_cpu(hdr->front_len);
+	int data_len = le32_to_cpu(hdr->data_len);
+	u64 tid;
+	int err;
+
+	tid = le64_to_cpu(hdr->tid);
+	mutex_lock(&osdc->request_mutex);
+	req = __lookup_request(osdc, tid);
+	if (!req) {
+		*skip = 1;
+		m = NULL;
+		pr_info("get_reply unknown tid %llu from osd%d\n", tid,
+			osd->o_osd);
+		goto out;
+	}
+
+	if (req->r_con_filling_msg) {
+		dout("get_reply revoking msg %p from old con %p\n",
+		     req->r_reply, req->r_con_filling_msg);
+		ceph_con_revoke_message(req->r_con_filling_msg, req->r_reply);
+		ceph_con_put(req->r_con_filling_msg);
+	}
+
+	if (front > req->r_reply->front.iov_len) {
+		pr_warning("get_reply front %d > preallocated %d\n",
+			   front, (int)req->r_reply->front.iov_len);
+		m = ceph_msg_new(CEPH_MSG_OSD_OPREPLY, front, 0, 0, NULL);
+		if (IS_ERR(m))
+			goto out;
+		ceph_msg_put(req->r_reply);
+		req->r_reply = m;
+	}
+	m = ceph_msg_get(req->r_reply);
+
+	if (data_len > 0) {
+		err = __prepare_pages(con, hdr, req, tid, m);
+		if (err < 0) {
+			*skip = 1;
+			ceph_msg_put(m);
+			m = ERR_PTR(err);
+		}
+	}
+	*skip = 0;
+	req->r_con_filling_msg = ceph_con_get(con);
+	dout("get_reply tid %lld %p\n", tid, m);
+
+out:
+	mutex_unlock(&osdc->request_mutex);
+	return m;
+
+}
+
+static struct ceph_msg *alloc_msg(struct ceph_connection *con,
+				  struct ceph_msg_header *hdr,
+				  int *skip)
+{
+	struct ceph_osd *osd = con->private;
+	int type = le16_to_cpu(hdr->type);
+	int front = le32_to_cpu(hdr->front_len);
+
+	switch (type) {
+	case CEPH_MSG_OSD_MAP:
+		return ceph_msg_new(type, front, 0, 0, NULL);
+	case CEPH_MSG_OSD_OPREPLY:
+		return get_reply(con, hdr, skip);
+	default:
+		pr_info("alloc_msg unexpected msg type %d from osd%d\n", type,
+			osd->o_osd);
+		*skip = 1;
+		return NULL;
+	}
+}
+
+/*
+ * Wrappers to refcount containing ceph_osd struct
+ */
+static struct ceph_connection *get_osd_con(struct ceph_connection *con)
+{
+	struct ceph_osd *osd = con->private;
+	if (get_osd(osd))
+		return con;
+	return NULL;
+}
+
+static void put_osd_con(struct ceph_connection *con)
+{
+	struct ceph_osd *osd = con->private;
+	put_osd(osd);
+}
+
+/*
+ * authentication
+ */
+static int get_authorizer(struct ceph_connection *con,
+	                  void **buf, int *len, int *proto,
+	                  void **reply_buf, int *reply_len, int force_new)
+{
+	struct ceph_osd *o = con->private;
+	struct ceph_osd_client *osdc = o->o_osdc;
+	struct ceph_auth_client *ac = osdc->client->monc.auth;
+	int ret = 0;
+
+	if (force_new && o->o_authorizer) {
+		ac->ops->destroy_authorizer(ac, o->o_authorizer);
+		o->o_authorizer = NULL;
+	}
+	if (o->o_authorizer == NULL) {
+		ret = ac->ops->create_authorizer(
+			ac, CEPH_ENTITY_TYPE_OSD,
+			&o->o_authorizer,
+			&o->o_authorizer_buf,
+			&o->o_authorizer_buf_len,
+			&o->o_authorizer_reply_buf,
+			&o->o_authorizer_reply_buf_len);
+		if (ret)
+		return ret;
+	}
+
+	*proto = ac->protocol;
+	*buf = o->o_authorizer_buf;
+	*len = o->o_authorizer_buf_len;
+	*reply_buf = o->o_authorizer_reply_buf;
+	*reply_len = o->o_authorizer_reply_buf_len;
+	return 0;
+}
+
+
+static int verify_authorizer_reply(struct ceph_connection *con, int len)
+{
+	struct ceph_osd *o = con->private;
+	struct ceph_osd_client *osdc = o->o_osdc;
+	struct ceph_auth_client *ac = osdc->client->monc.auth;
+
+	return ac->ops->verify_authorizer_reply(ac, o->o_authorizer, len);
+}
+
+static int invalidate_authorizer(struct ceph_connection *con)
+{
+	struct ceph_osd *o = con->private;
+	struct ceph_osd_client *osdc = o->o_osdc;
+	struct ceph_auth_client *ac = osdc->client->monc.auth;
+
+	if (ac->ops->invalidate_authorizer)
+		ac->ops->invalidate_authorizer(ac, CEPH_ENTITY_TYPE_OSD);
+
+	return ceph_monc_validate_auth(&osdc->client->monc);
+}
+
+const static struct ceph_connection_operations osd_con_ops = {
+	.get = get_osd_con,
+	.put = put_osd_con,
+	.dispatch = dispatch,
+	.get_authorizer = get_authorizer,
+	.verify_authorizer_reply = verify_authorizer_reply,
+	.invalidate_authorizer = invalidate_authorizer,
+	.alloc_msg = alloc_msg,
+	.fault = osd_reset,
+};
diff --git a/fs/ceph/osd_client.h b/fs/ceph/osd_client.h
new file mode 100644
index 000000000000..b0759911e7c3
--- /dev/null
+++ b/fs/ceph/osd_client.h
@@ -0,0 +1,166 @@
+#ifndef _FS_CEPH_OSD_CLIENT_H
+#define _FS_CEPH_OSD_CLIENT_H
+
+#include <linux/completion.h>
+#include <linux/kref.h>
+#include <linux/mempool.h>
+#include <linux/rbtree.h>
+
+#include "types.h"
+#include "osdmap.h"
+#include "messenger.h"
+
+struct ceph_msg;
+struct ceph_snap_context;
+struct ceph_osd_request;
+struct ceph_osd_client;
+struct ceph_authorizer;
+
+/*
+ * completion callback for async writepages
+ */
+typedef void (*ceph_osdc_callback_t)(struct ceph_osd_request *,
+				     struct ceph_msg *);
+
+/* a given osd we're communicating with */
+struct ceph_osd {
+	atomic_t o_ref;
+	struct ceph_osd_client *o_osdc;
+	int o_osd;
+	int o_incarnation;
+	struct rb_node o_node;
+	struct ceph_connection o_con;
+	struct list_head o_requests;
+	struct list_head o_osd_lru;
+	struct ceph_authorizer *o_authorizer;
+	void *o_authorizer_buf, *o_authorizer_reply_buf;
+	size_t o_authorizer_buf_len, o_authorizer_reply_buf_len;
+	unsigned long lru_ttl;
+	int o_marked_for_keepalive;
+	struct list_head o_keepalive_item;
+};
+
+/* an in-flight request */
+struct ceph_osd_request {
+	u64             r_tid;              /* unique for this client */
+	struct rb_node  r_node;
+	struct list_head r_req_lru_item;
+	struct list_head r_osd_item;
+	struct ceph_osd *r_osd;
+	struct ceph_pg   r_pgid;
+
+	struct ceph_connection *r_con_filling_msg;
+
+	struct ceph_msg  *r_request, *r_reply;
+	int               r_result;
+	int               r_flags;     /* any additional flags for the osd */
+	u32               r_sent;      /* >0 if r_request is sending/sent */
+	int               r_got_reply;
+
+	struct ceph_osd_client *r_osdc;
+	struct kref       r_kref;
+	bool              r_mempool;
+	struct completion r_completion, r_safe_completion;
+	ceph_osdc_callback_t r_callback, r_safe_callback;
+	struct ceph_eversion r_reassert_version;
+	struct list_head  r_unsafe_item;
+
+	struct inode *r_inode;         	      /* for use by callbacks */
+	struct writeback_control *r_wbc;      /* ditto */
+
+	char              r_oid[40];          /* object name */
+	int               r_oid_len;
+	unsigned long     r_stamp;            /* send OR check time */
+	bool              r_resend;           /* msg send failed, needs retry */
+
+	struct ceph_file_layout r_file_layout;
+	struct ceph_snap_context *r_snapc;    /* snap context for writes */
+	unsigned          r_num_pages;        /* size of page array (follows) */
+	struct page     **r_pages;            /* pages for data payload */
+	int               r_pages_from_pool;
+	int               r_own_pages;        /* if true, i own page list */
+};
+
+struct ceph_osd_client {
+	struct ceph_client     *client;
+
+	struct ceph_osdmap     *osdmap;       /* current map */
+	struct rw_semaphore    map_sem;
+	struct completion      map_waiters;
+	u64                    last_requested_map;
+
+	struct mutex           request_mutex;
+	struct rb_root         osds;          /* osds */
+	struct list_head       osd_lru;       /* idle osds */
+	u64                    timeout_tid;   /* tid of timeout triggering rq */
+	u64                    last_tid;      /* tid of last request */
+	struct rb_root         requests;      /* pending requests */
+	struct list_head       req_lru;	      /* pending requests lru */
+	int                    num_requests;
+	struct delayed_work    timeout_work;
+	struct delayed_work    osds_timeout_work;
+#ifdef CONFIG_DEBUG_FS
+	struct dentry 	       *debugfs_file;
+#endif
+
+	mempool_t              *req_mempool;
+
+	struct ceph_msgpool	msgpool_op;
+	struct ceph_msgpool	msgpool_op_reply;
+};
+
+extern int ceph_osdc_init(struct ceph_osd_client *osdc,
+			  struct ceph_client *client);
+extern void ceph_osdc_stop(struct ceph_osd_client *osdc);
+
+extern void ceph_osdc_handle_reply(struct ceph_osd_client *osdc,
+				   struct ceph_msg *msg);
+extern void ceph_osdc_handle_map(struct ceph_osd_client *osdc,
+				 struct ceph_msg *msg);
+
+extern struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *,
+				      struct ceph_file_layout *layout,
+				      struct ceph_vino vino,
+				      u64 offset, u64 *len, int op, int flags,
+				      struct ceph_snap_context *snapc,
+				      int do_sync, u32 truncate_seq,
+				      u64 truncate_size,
+				      struct timespec *mtime,
+				      bool use_mempool, int num_reply);
+
+static inline void ceph_osdc_get_request(struct ceph_osd_request *req)
+{
+	kref_get(&req->r_kref);
+}
+extern void ceph_osdc_release_request(struct kref *kref);
+static inline void ceph_osdc_put_request(struct ceph_osd_request *req)
+{
+	kref_put(&req->r_kref, ceph_osdc_release_request);
+}
+
+extern int ceph_osdc_start_request(struct ceph_osd_client *osdc,
+				   struct ceph_osd_request *req,
+				   bool nofail);
+extern int ceph_osdc_wait_request(struct ceph_osd_client *osdc,
+				  struct ceph_osd_request *req);
+extern void ceph_osdc_sync(struct ceph_osd_client *osdc);
+
+extern int ceph_osdc_readpages(struct ceph_osd_client *osdc,
+			       struct ceph_vino vino,
+			       struct ceph_file_layout *layout,
+			       u64 off, u64 *plen,
+			       u32 truncate_seq, u64 truncate_size,
+			       struct page **pages, int nr_pages);
+
+extern int ceph_osdc_writepages(struct ceph_osd_client *osdc,
+				struct ceph_vino vino,
+				struct ceph_file_layout *layout,
+				struct ceph_snap_context *sc,
+				u64 off, u64 len,
+				u32 truncate_seq, u64 truncate_size,
+				struct timespec *mtime,
+				struct page **pages, int nr_pages,
+				int flags, int do_sync, bool nofail);
+
+#endif
+
diff --git a/fs/ceph/osdmap.c b/fs/ceph/osdmap.c
new file mode 100644
index 000000000000..d82fe87c2a6e
--- /dev/null
+++ b/fs/ceph/osdmap.c
@@ -0,0 +1,1022 @@
+
+#include <asm/div64.h>
+
+#include "super.h"
+#include "osdmap.h"
+#include "crush/hash.h"
+#include "crush/mapper.h"
+#include "decode.h"
+#include "ceph_debug.h"
+
+char *ceph_osdmap_state_str(char *str, int len, int state)
+{
+	int flag = 0;
+
+	if (!len)
+		goto done;
+
+	*str = '\0';
+	if (state) {
+		if (state & CEPH_OSD_EXISTS) {
+			snprintf(str, len, "exists");
+			flag = 1;
+		}
+		if (state & CEPH_OSD_UP) {
+			snprintf(str, len, "%s%s%s", str, (flag ? ", " : ""),
+				 "up");
+			flag = 1;
+		}
+	} else {
+		snprintf(str, len, "doesn't exist");
+	}
+done:
+	return str;
+}
+
+/* maps */
+
+static int calc_bits_of(unsigned t)
+{
+	int b = 0;
+	while (t) {
+		t = t >> 1;
+		b++;
+	}
+	return b;
+}
+
+/*
+ * the foo_mask is the smallest value 2^n-1 that is >= foo.
+ */
+static void calc_pg_masks(struct ceph_pg_pool_info *pi)
+{
+	pi->pg_num_mask = (1 << calc_bits_of(le32_to_cpu(pi->v.pg_num)-1)) - 1;
+	pi->pgp_num_mask =
+		(1 << calc_bits_of(le32_to_cpu(pi->v.pgp_num)-1)) - 1;
+	pi->lpg_num_mask =
+		(1 << calc_bits_of(le32_to_cpu(pi->v.lpg_num)-1)) - 1;
+	pi->lpgp_num_mask =
+		(1 << calc_bits_of(le32_to_cpu(pi->v.lpgp_num)-1)) - 1;
+}
+
+/*
+ * decode crush map
+ */
+static int crush_decode_uniform_bucket(void **p, void *end,
+				       struct crush_bucket_uniform *b)
+{
+	dout("crush_decode_uniform_bucket %p to %p\n", *p, end);
+	ceph_decode_need(p, end, (1+b->h.size) * sizeof(u32), bad);
+	b->item_weight = ceph_decode_32(p);
+	return 0;
+bad:
+	return -EINVAL;
+}
+
+static int crush_decode_list_bucket(void **p, void *end,
+				    struct crush_bucket_list *b)
+{
+	int j;
+	dout("crush_decode_list_bucket %p to %p\n", *p, end);
+	b->item_weights = kcalloc(b->h.size, sizeof(u32), GFP_NOFS);
+	if (b->item_weights == NULL)
+		return -ENOMEM;
+	b->sum_weights = kcalloc(b->h.size, sizeof(u32), GFP_NOFS);
+	if (b->sum_weights == NULL)
+		return -ENOMEM;
+	ceph_decode_need(p, end, 2 * b->h.size * sizeof(u32), bad);
+	for (j = 0; j < b->h.size; j++) {
+		b->item_weights[j] = ceph_decode_32(p);
+		b->sum_weights[j] = ceph_decode_32(p);
+	}
+	return 0;
+bad:
+	return -EINVAL;
+}
+
+static int crush_decode_tree_bucket(void **p, void *end,
+				    struct crush_bucket_tree *b)
+{
+	int j;
+	dout("crush_decode_tree_bucket %p to %p\n", *p, end);
+	ceph_decode_32_safe(p, end, b->num_nodes, bad);
+	b->node_weights = kcalloc(b->num_nodes, sizeof(u32), GFP_NOFS);
+	if (b->node_weights == NULL)
+		return -ENOMEM;
+	ceph_decode_need(p, end, b->num_nodes * sizeof(u32), bad);
+	for (j = 0; j < b->num_nodes; j++)
+		b->node_weights[j] = ceph_decode_32(p);
+	return 0;
+bad:
+	return -EINVAL;
+}
+
+static int crush_decode_straw_bucket(void **p, void *end,
+				     struct crush_bucket_straw *b)
+{
+	int j;
+	dout("crush_decode_straw_bucket %p to %p\n", *p, end);
+	b->item_weights = kcalloc(b->h.size, sizeof(u32), GFP_NOFS);
+	if (b->item_weights == NULL)
+		return -ENOMEM;
+	b->straws = kcalloc(b->h.size, sizeof(u32), GFP_NOFS);
+	if (b->straws == NULL)
+		return -ENOMEM;
+	ceph_decode_need(p, end, 2 * b->h.size * sizeof(u32), bad);
+	for (j = 0; j < b->h.size; j++) {
+		b->item_weights[j] = ceph_decode_32(p);
+		b->straws[j] = ceph_decode_32(p);
+	}
+	return 0;
+bad:
+	return -EINVAL;
+}
+
+static struct crush_map *crush_decode(void *pbyval, void *end)
+{
+	struct crush_map *c;
+	int err = -EINVAL;
+	int i, j;
+	void **p = &pbyval;
+	void *start = pbyval;
+	u32 magic;
+
+	dout("crush_decode %p to %p len %d\n", *p, end, (int)(end - *p));
+
+	c = kzalloc(sizeof(*c), GFP_NOFS);
+	if (c == NULL)
+		return ERR_PTR(-ENOMEM);
+
+	ceph_decode_need(p, end, 4*sizeof(u32), bad);
+	magic = ceph_decode_32(p);
+	if (magic != CRUSH_MAGIC) {
+		pr_err("crush_decode magic %x != current %x\n",
+		       (unsigned)magic, (unsigned)CRUSH_MAGIC);
+		goto bad;
+	}
+	c->max_buckets = ceph_decode_32(p);
+	c->max_rules = ceph_decode_32(p);
+	c->max_devices = ceph_decode_32(p);
+
+	c->device_parents = kcalloc(c->max_devices, sizeof(u32), GFP_NOFS);
+	if (c->device_parents == NULL)
+		goto badmem;
+	c->bucket_parents = kcalloc(c->max_buckets, sizeof(u32), GFP_NOFS);
+	if (c->bucket_parents == NULL)
+		goto badmem;
+
+	c->buckets = kcalloc(c->max_buckets, sizeof(*c->buckets), GFP_NOFS);
+	if (c->buckets == NULL)
+		goto badmem;
+	c->rules = kcalloc(c->max_rules, sizeof(*c->rules), GFP_NOFS);
+	if (c->rules == NULL)
+		goto badmem;
+
+	/* buckets */
+	for (i = 0; i < c->max_buckets; i++) {
+		int size = 0;
+		u32 alg;
+		struct crush_bucket *b;
+
+		ceph_decode_32_safe(p, end, alg, bad);
+		if (alg == 0) {
+			c->buckets[i] = NULL;
+			continue;
+		}
+		dout("crush_decode bucket %d off %x %p to %p\n",
+		     i, (int)(*p-start), *p, end);
+
+		switch (alg) {
+		case CRUSH_BUCKET_UNIFORM:
+			size = sizeof(struct crush_bucket_uniform);
+			break;
+		case CRUSH_BUCKET_LIST:
+			size = sizeof(struct crush_bucket_list);
+			break;
+		case CRUSH_BUCKET_TREE:
+			size = sizeof(struct crush_bucket_tree);
+			break;
+		case CRUSH_BUCKET_STRAW:
+			size = sizeof(struct crush_bucket_straw);
+			break;
+		default:
+			err = -EINVAL;
+			goto bad;
+		}
+		BUG_ON(size == 0);
+		b = c->buckets[i] = kzalloc(size, GFP_NOFS);
+		if (b == NULL)
+			goto badmem;
+
+		ceph_decode_need(p, end, 4*sizeof(u32), bad);
+		b->id = ceph_decode_32(p);
+		b->type = ceph_decode_16(p);
+		b->alg = ceph_decode_8(p);
+		b->hash = ceph_decode_8(p);
+		b->weight = ceph_decode_32(p);
+		b->size = ceph_decode_32(p);
+
+		dout("crush_decode bucket size %d off %x %p to %p\n",
+		     b->size, (int)(*p-start), *p, end);
+
+		b->items = kcalloc(b->size, sizeof(__s32), GFP_NOFS);
+		if (b->items == NULL)
+			goto badmem;
+		b->perm = kcalloc(b->size, sizeof(u32), GFP_NOFS);
+		if (b->perm == NULL)
+			goto badmem;
+		b->perm_n = 0;
+
+		ceph_decode_need(p, end, b->size*sizeof(u32), bad);
+		for (j = 0; j < b->size; j++)
+			b->items[j] = ceph_decode_32(p);
+
+		switch (b->alg) {
+		case CRUSH_BUCKET_UNIFORM:
+			err = crush_decode_uniform_bucket(p, end,
+				  (struct crush_bucket_uniform *)b);
+			if (err < 0)
+				goto bad;
+			break;
+		case CRUSH_BUCKET_LIST:
+			err = crush_decode_list_bucket(p, end,
+			       (struct crush_bucket_list *)b);
+			if (err < 0)
+				goto bad;
+			break;
+		case CRUSH_BUCKET_TREE:
+			err = crush_decode_tree_bucket(p, end,
+				(struct crush_bucket_tree *)b);
+			if (err < 0)
+				goto bad;
+			break;
+		case CRUSH_BUCKET_STRAW:
+			err = crush_decode_straw_bucket(p, end,
+				(struct crush_bucket_straw *)b);
+			if (err < 0)
+				goto bad;
+			break;
+		}
+	}
+
+	/* rules */
+	dout("rule vec is %p\n", c->rules);
+	for (i = 0; i < c->max_rules; i++) {
+		u32 yes;
+		struct crush_rule *r;
+
+		ceph_decode_32_safe(p, end, yes, bad);
+		if (!yes) {
+			dout("crush_decode NO rule %d off %x %p to %p\n",
+			     i, (int)(*p-start), *p, end);
+			c->rules[i] = NULL;
+			continue;
+		}
+
+		dout("crush_decode rule %d off %x %p to %p\n",
+		     i, (int)(*p-start), *p, end);
+
+		/* len */
+		ceph_decode_32_safe(p, end, yes, bad);
+#if BITS_PER_LONG == 32
+		err = -EINVAL;
+		if (yes > ULONG_MAX / sizeof(struct crush_rule_step))
+			goto bad;
+#endif
+		r = c->rules[i] = kmalloc(sizeof(*r) +
+					  yes*sizeof(struct crush_rule_step),
+					  GFP_NOFS);
+		if (r == NULL)
+			goto badmem;
+		dout(" rule %d is at %p\n", i, r);
+		r->len = yes;
+		ceph_decode_copy_safe(p, end, &r->mask, 4, bad); /* 4 u8's */
+		ceph_decode_need(p, end, r->len*3*sizeof(u32), bad);
+		for (j = 0; j < r->len; j++) {
+			r->steps[j].op = ceph_decode_32(p);
+			r->steps[j].arg1 = ceph_decode_32(p);
+			r->steps[j].arg2 = ceph_decode_32(p);
+		}
+	}
+
+	/* ignore trailing name maps. */
+
+	dout("crush_decode success\n");
+	return c;
+
+badmem:
+	err = -ENOMEM;
+bad:
+	dout("crush_decode fail %d\n", err);
+	crush_destroy(c);
+	return ERR_PTR(err);
+}
+
+
+/*
+ * osd map
+ */
+void ceph_osdmap_destroy(struct ceph_osdmap *map)
+{
+	dout("osdmap_destroy %p\n", map);
+	if (map->crush)
+		crush_destroy(map->crush);
+	while (!RB_EMPTY_ROOT(&map->pg_temp)) {
+		struct ceph_pg_mapping *pg =
+			rb_entry(rb_first(&map->pg_temp),
+				 struct ceph_pg_mapping, node);
+		rb_erase(&pg->node, &map->pg_temp);
+		kfree(pg);
+	}
+	while (!RB_EMPTY_ROOT(&map->pg_pools)) {
+		struct ceph_pg_pool_info *pi =
+			rb_entry(rb_first(&map->pg_pools),
+				 struct ceph_pg_pool_info, node);
+		rb_erase(&pi->node, &map->pg_pools);
+		kfree(pi);
+	}
+	kfree(map->osd_state);
+	kfree(map->osd_weight);
+	kfree(map->osd_addr);
+	kfree(map);
+}
+
+/*
+ * adjust max osd value.  reallocate arrays.
+ */
+static int osdmap_set_max_osd(struct ceph_osdmap *map, int max)
+{
+	u8 *state;
+	struct ceph_entity_addr *addr;
+	u32 *weight;
+
+	state = kcalloc(max, sizeof(*state), GFP_NOFS);
+	addr = kcalloc(max, sizeof(*addr), GFP_NOFS);
+	weight = kcalloc(max, sizeof(*weight), GFP_NOFS);
+	if (state == NULL || addr == NULL || weight == NULL) {
+		kfree(state);
+		kfree(addr);
+		kfree(weight);
+		return -ENOMEM;
+	}
+
+	/* copy old? */
+	if (map->osd_state) {
+		memcpy(state, map->osd_state, map->max_osd*sizeof(*state));
+		memcpy(addr, map->osd_addr, map->max_osd*sizeof(*addr));
+		memcpy(weight, map->osd_weight, map->max_osd*sizeof(*weight));
+		kfree(map->osd_state);
+		kfree(map->osd_addr);
+		kfree(map->osd_weight);
+	}
+
+	map->osd_state = state;
+	map->osd_weight = weight;
+	map->osd_addr = addr;
+	map->max_osd = max;
+	return 0;
+}
+
+/*
+ * rbtree of pg_mapping for handling pg_temp (explicit mapping of pgid
+ * to a set of osds)
+ */
+static int pgid_cmp(struct ceph_pg l, struct ceph_pg r)
+{
+	u64 a = *(u64 *)&l;
+	u64 b = *(u64 *)&r;
+
+	if (a < b)
+		return -1;
+	if (a > b)
+		return 1;
+	return 0;
+}
+
+static int __insert_pg_mapping(struct ceph_pg_mapping *new,
+			       struct rb_root *root)
+{
+	struct rb_node **p = &root->rb_node;
+	struct rb_node *parent = NULL;
+	struct ceph_pg_mapping *pg = NULL;
+	int c;
+
+	while (*p) {
+		parent = *p;
+		pg = rb_entry(parent, struct ceph_pg_mapping, node);
+		c = pgid_cmp(new->pgid, pg->pgid);
+		if (c < 0)
+			p = &(*p)->rb_left;
+		else if (c > 0)
+			p = &(*p)->rb_right;
+		else
+			return -EEXIST;
+	}
+
+	rb_link_node(&new->node, parent, p);
+	rb_insert_color(&new->node, root);
+	return 0;
+}
+
+static struct ceph_pg_mapping *__lookup_pg_mapping(struct rb_root *root,
+						   struct ceph_pg pgid)
+{
+	struct rb_node *n = root->rb_node;
+	struct ceph_pg_mapping *pg;
+	int c;
+
+	while (n) {
+		pg = rb_entry(n, struct ceph_pg_mapping, node);
+		c = pgid_cmp(pgid, pg->pgid);
+		if (c < 0)
+			n = n->rb_left;
+		else if (c > 0)
+			n = n->rb_right;
+		else
+			return pg;
+	}
+	return NULL;
+}
+
+/*
+ * rbtree of pg pool info
+ */
+static int __insert_pg_pool(struct rb_root *root, struct ceph_pg_pool_info *new)
+{
+	struct rb_node **p = &root->rb_node;
+	struct rb_node *parent = NULL;
+	struct ceph_pg_pool_info *pi = NULL;
+
+	while (*p) {
+		parent = *p;
+		pi = rb_entry(parent, struct ceph_pg_pool_info, node);
+		if (new->id < pi->id)
+			p = &(*p)->rb_left;
+		else if (new->id > pi->id)
+			p = &(*p)->rb_right;
+		else
+			return -EEXIST;
+	}
+
+	rb_link_node(&new->node, parent, p);
+	rb_insert_color(&new->node, root);
+	return 0;
+}
+
+static struct ceph_pg_pool_info *__lookup_pg_pool(struct rb_root *root, int id)
+{
+	struct ceph_pg_pool_info *pi;
+	struct rb_node *n = root->rb_node;
+
+	while (n) {
+		pi = rb_entry(n, struct ceph_pg_pool_info, node);
+		if (id < pi->id)
+			n = n->rb_left;
+		else if (id > pi->id)
+			n = n->rb_right;
+		else
+			return pi;
+	}
+	return NULL;
+}
+
+void __decode_pool(void **p, struct ceph_pg_pool_info *pi)
+{
+	ceph_decode_copy(p, &pi->v, sizeof(pi->v));
+	calc_pg_masks(pi);
+	*p += le32_to_cpu(pi->v.num_snaps) * sizeof(u64);
+	*p += le32_to_cpu(pi->v.num_removed_snap_intervals) * sizeof(u64) * 2;
+}
+
+/*
+ * decode a full map.
+ */
+struct ceph_osdmap *osdmap_decode(void **p, void *end)
+{
+	struct ceph_osdmap *map;
+	u16 version;
+	u32 len, max, i;
+	u8 ev;
+	int err = -EINVAL;
+	void *start = *p;
+	struct ceph_pg_pool_info *pi;
+
+	dout("osdmap_decode %p to %p len %d\n", *p, end, (int)(end - *p));
+
+	map = kzalloc(sizeof(*map), GFP_NOFS);
+	if (map == NULL)
+		return ERR_PTR(-ENOMEM);
+	map->pg_temp = RB_ROOT;
+
+	ceph_decode_16_safe(p, end, version, bad);
+	if (version > CEPH_OSDMAP_VERSION) {
+		pr_warning("got unknown v %d > %d of osdmap\n", version,
+			   CEPH_OSDMAP_VERSION);
+		goto bad;
+	}
+
+	ceph_decode_need(p, end, 2*sizeof(u64)+6*sizeof(u32), bad);
+	ceph_decode_copy(p, &map->fsid, sizeof(map->fsid));
+	map->epoch = ceph_decode_32(p);
+	ceph_decode_copy(p, &map->created, sizeof(map->created));
+	ceph_decode_copy(p, &map->modified, sizeof(map->modified));
+
+	ceph_decode_32_safe(p, end, max, bad);
+	while (max--) {
+		ceph_decode_need(p, end, 4 + 1 + sizeof(pi->v), bad);
+		pi = kmalloc(sizeof(*pi), GFP_NOFS);
+		if (!pi)
+			goto bad;
+		pi->id = ceph_decode_32(p);
+		ev = ceph_decode_8(p); /* encoding version */
+		if (ev > CEPH_PG_POOL_VERSION) {
+			pr_warning("got unknown v %d > %d of ceph_pg_pool\n",
+				   ev, CEPH_PG_POOL_VERSION);
+			goto bad;
+		}
+		__decode_pool(p, pi);
+		__insert_pg_pool(&map->pg_pools, pi);
+	}
+	ceph_decode_32_safe(p, end, map->pool_max, bad);
+
+	ceph_decode_32_safe(p, end, map->flags, bad);
+
+	max = ceph_decode_32(p);
+
+	/* (re)alloc osd arrays */
+	err = osdmap_set_max_osd(map, max);
+	if (err < 0)
+		goto bad;
+	dout("osdmap_decode max_osd = %d\n", map->max_osd);
+
+	/* osds */
+	err = -EINVAL;
+	ceph_decode_need(p, end, 3*sizeof(u32) +
+			 map->max_osd*(1 + sizeof(*map->osd_weight) +
+				       sizeof(*map->osd_addr)), bad);
+	*p += 4; /* skip length field (should match max) */
+	ceph_decode_copy(p, map->osd_state, map->max_osd);
+
+	*p += 4; /* skip length field (should match max) */
+	for (i = 0; i < map->max_osd; i++)
+		map->osd_weight[i] = ceph_decode_32(p);
+
+	*p += 4; /* skip length field (should match max) */
+	ceph_decode_copy(p, map->osd_addr, map->max_osd*sizeof(*map->osd_addr));
+	for (i = 0; i < map->max_osd; i++)
+		ceph_decode_addr(&map->osd_addr[i]);
+
+	/* pg_temp */
+	ceph_decode_32_safe(p, end, len, bad);
+	for (i = 0; i < len; i++) {
+		int n, j;
+		struct ceph_pg pgid;
+		struct ceph_pg_mapping *pg;
+
+		ceph_decode_need(p, end, sizeof(u32) + sizeof(u64), bad);
+		ceph_decode_copy(p, &pgid, sizeof(pgid));
+		n = ceph_decode_32(p);
+		ceph_decode_need(p, end, n * sizeof(u32), bad);
+		err = -ENOMEM;
+		pg = kmalloc(sizeof(*pg) + n*sizeof(u32), GFP_NOFS);
+		if (!pg)
+			goto bad;
+		pg->pgid = pgid;
+		pg->len = n;
+		for (j = 0; j < n; j++)
+			pg->osds[j] = ceph_decode_32(p);
+
+		err = __insert_pg_mapping(pg, &map->pg_temp);
+		if (err)
+			goto bad;
+		dout(" added pg_temp %llx len %d\n", *(u64 *)&pgid, len);
+	}
+
+	/* crush */
+	ceph_decode_32_safe(p, end, len, bad);
+	dout("osdmap_decode crush len %d from off 0x%x\n", len,
+	     (int)(*p - start));
+	ceph_decode_need(p, end, len, bad);
+	map->crush = crush_decode(*p, end);
+	*p += len;
+	if (IS_ERR(map->crush)) {
+		err = PTR_ERR(map->crush);
+		map->crush = NULL;
+		goto bad;
+	}
+
+	/* ignore the rest of the map */
+	*p = end;
+
+	dout("osdmap_decode done %p %p\n", *p, end);
+	return map;
+
+bad:
+	dout("osdmap_decode fail\n");
+	ceph_osdmap_destroy(map);
+	return ERR_PTR(err);
+}
+
+/*
+ * decode and apply an incremental map update.
+ */
+struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
+					     struct ceph_osdmap *map,
+					     struct ceph_messenger *msgr)
+{
+	struct crush_map *newcrush = NULL;
+	struct ceph_fsid fsid;
+	u32 epoch = 0;
+	struct ceph_timespec modified;
+	u32 len, pool;
+	__s32 new_pool_max, new_flags, max;
+	void *start = *p;
+	int err = -EINVAL;
+	u16 version;
+	struct rb_node *rbp;
+
+	ceph_decode_16_safe(p, end, version, bad);
+	if (version > CEPH_OSDMAP_INC_VERSION) {
+		pr_warning("got unknown v %d > %d of inc osdmap\n", version,
+			   CEPH_OSDMAP_INC_VERSION);
+		goto bad;
+	}
+
+	ceph_decode_need(p, end, sizeof(fsid)+sizeof(modified)+2*sizeof(u32),
+			 bad);
+	ceph_decode_copy(p, &fsid, sizeof(fsid));
+	epoch = ceph_decode_32(p);
+	BUG_ON(epoch != map->epoch+1);
+	ceph_decode_copy(p, &modified, sizeof(modified));
+	new_pool_max = ceph_decode_32(p);
+	new_flags = ceph_decode_32(p);
+
+	/* full map? */
+	ceph_decode_32_safe(p, end, len, bad);
+	if (len > 0) {
+		dout("apply_incremental full map len %d, %p to %p\n",
+		     len, *p, end);
+		return osdmap_decode(p, min(*p+len, end));
+	}
+
+	/* new crush? */
+	ceph_decode_32_safe(p, end, len, bad);
+	if (len > 0) {
+		dout("apply_incremental new crush map len %d, %p to %p\n",
+		     len, *p, end);
+		newcrush = crush_decode(*p, min(*p+len, end));
+		if (IS_ERR(newcrush))
+			return ERR_PTR(PTR_ERR(newcrush));
+	}
+
+	/* new flags? */
+	if (new_flags >= 0)
+		map->flags = new_flags;
+	if (new_pool_max >= 0)
+		map->pool_max = new_pool_max;
+
+	ceph_decode_need(p, end, 5*sizeof(u32), bad);
+
+	/* new max? */
+	max = ceph_decode_32(p);
+	if (max >= 0) {
+		err = osdmap_set_max_osd(map, max);
+		if (err < 0)
+			goto bad;
+	}
+
+	map->epoch++;
+	map->modified = map->modified;
+	if (newcrush) {
+		if (map->crush)
+			crush_destroy(map->crush);
+		map->crush = newcrush;
+		newcrush = NULL;
+	}
+
+	/* new_pool */
+	ceph_decode_32_safe(p, end, len, bad);
+	while (len--) {
+		__u8 ev;
+		struct ceph_pg_pool_info *pi;
+
+		ceph_decode_32_safe(p, end, pool, bad);
+		ceph_decode_need(p, end, 1 + sizeof(pi->v), bad);
+		ev = ceph_decode_8(p);  /* encoding version */
+		if (ev > CEPH_PG_POOL_VERSION) {
+			pr_warning("got unknown v %d > %d of ceph_pg_pool\n",
+				   ev, CEPH_PG_POOL_VERSION);
+			goto bad;
+		}
+		pi = __lookup_pg_pool(&map->pg_pools, pool);
+		if (!pi) {
+			pi = kmalloc(sizeof(*pi), GFP_NOFS);
+			if (!pi) {
+				err = -ENOMEM;
+				goto bad;
+			}
+			pi->id = pool;
+			__insert_pg_pool(&map->pg_pools, pi);
+		}
+		__decode_pool(p, pi);
+	}
+
+	/* old_pool */
+	ceph_decode_32_safe(p, end, len, bad);
+	while (len--) {
+		struct ceph_pg_pool_info *pi;
+
+		ceph_decode_32_safe(p, end, pool, bad);
+		pi = __lookup_pg_pool(&map->pg_pools, pool);
+		if (pi) {
+			rb_erase(&pi->node, &map->pg_pools);
+			kfree(pi);
+		}
+	}
+
+	/* new_up */
+	err = -EINVAL;
+	ceph_decode_32_safe(p, end, len, bad);
+	while (len--) {
+		u32 osd;
+		struct ceph_entity_addr addr;
+		ceph_decode_32_safe(p, end, osd, bad);
+		ceph_decode_copy_safe(p, end, &addr, sizeof(addr), bad);
+		ceph_decode_addr(&addr);
+		pr_info("osd%d up\n", osd);
+		BUG_ON(osd >= map->max_osd);
+		map->osd_state[osd] |= CEPH_OSD_UP;
+		map->osd_addr[osd] = addr;
+	}
+
+	/* new_down */
+	ceph_decode_32_safe(p, end, len, bad);
+	while (len--) {
+		u32 osd;
+		ceph_decode_32_safe(p, end, osd, bad);
+		(*p)++;  /* clean flag */
+		pr_info("osd%d down\n", osd);
+		if (osd < map->max_osd)
+			map->osd_state[osd] &= ~CEPH_OSD_UP;
+	}
+
+	/* new_weight */
+	ceph_decode_32_safe(p, end, len, bad);
+	while (len--) {
+		u32 osd, off;
+		ceph_decode_need(p, end, sizeof(u32)*2, bad);
+		osd = ceph_decode_32(p);
+		off = ceph_decode_32(p);
+		pr_info("osd%d weight 0x%x %s\n", osd, off,
+		     off == CEPH_OSD_IN ? "(in)" :
+		     (off == CEPH_OSD_OUT ? "(out)" : ""));
+		if (osd < map->max_osd)
+			map->osd_weight[osd] = off;
+	}
+
+	/* new_pg_temp */
+	rbp = rb_first(&map->pg_temp);
+	ceph_decode_32_safe(p, end, len, bad);
+	while (len--) {
+		struct ceph_pg_mapping *pg;
+		int j;
+		struct ceph_pg pgid;
+		u32 pglen;
+		ceph_decode_need(p, end, sizeof(u64) + sizeof(u32), bad);
+		ceph_decode_copy(p, &pgid, sizeof(pgid));
+		pglen = ceph_decode_32(p);
+
+		/* remove any? */
+		while (rbp && pgid_cmp(rb_entry(rbp, struct ceph_pg_mapping,
+						node)->pgid, pgid) <= 0) {
+			struct rb_node *cur = rbp;
+			rbp = rb_next(rbp);
+			dout(" removed pg_temp %llx\n",
+			     *(u64 *)&rb_entry(cur, struct ceph_pg_mapping,
+					       node)->pgid);
+			rb_erase(cur, &map->pg_temp);
+		}
+
+		if (pglen) {
+			/* insert */
+			ceph_decode_need(p, end, pglen*sizeof(u32), bad);
+			pg = kmalloc(sizeof(*pg) + sizeof(u32)*pglen, GFP_NOFS);
+			if (!pg) {
+				err = -ENOMEM;
+				goto bad;
+			}
+			pg->pgid = pgid;
+			pg->len = pglen;
+			for (j = 0; j < pglen; j++)
+				pg->osds[j] = ceph_decode_32(p);
+			err = __insert_pg_mapping(pg, &map->pg_temp);
+			if (err)
+				goto bad;
+			dout(" added pg_temp %llx len %d\n", *(u64 *)&pgid,
+			     pglen);
+		}
+	}
+	while (rbp) {
+		struct rb_node *cur = rbp;
+		rbp = rb_next(rbp);
+		dout(" removed pg_temp %llx\n",
+		     *(u64 *)&rb_entry(cur, struct ceph_pg_mapping,
+				       node)->pgid);
+		rb_erase(cur, &map->pg_temp);
+	}
+
+	/* ignore the rest */
+	*p = end;
+	return map;
+
+bad:
+	pr_err("corrupt inc osdmap epoch %d off %d (%p of %p-%p)\n",
+	       epoch, (int)(*p - start), *p, start, end);
+	print_hex_dump(KERN_DEBUG, "osdmap: ",
+		       DUMP_PREFIX_OFFSET, 16, 1,
+		       start, end - start, true);
+	if (newcrush)
+		crush_destroy(newcrush);
+	return ERR_PTR(err);
+}
+
+
+
+
+/*
+ * calculate file layout from given offset, length.
+ * fill in correct oid, logical length, and object extent
+ * offset, length.
+ *
+ * for now, we write only a single su, until we can
+ * pass a stride back to the caller.
+ */
+void ceph_calc_file_object_mapping(struct ceph_file_layout *layout,
+				   u64 off, u64 *plen,
+				   u64 *ono,
+				   u64 *oxoff, u64 *oxlen)
+{
+	u32 osize = le32_to_cpu(layout->fl_object_size);
+	u32 su = le32_to_cpu(layout->fl_stripe_unit);
+	u32 sc = le32_to_cpu(layout->fl_stripe_count);
+	u32 bl, stripeno, stripepos, objsetno;
+	u32 su_per_object;
+	u64 t, su_offset;
+
+	dout("mapping %llu~%llu  osize %u fl_su %u\n", off, *plen,
+	     osize, su);
+	su_per_object = osize / su;
+	dout("osize %u / su %u = su_per_object %u\n", osize, su,
+	     su_per_object);
+
+	BUG_ON((su & ~PAGE_MASK) != 0);
+	/* bl = *off / su; */
+	t = off;
+	do_div(t, su);
+	bl = t;
+	dout("off %llu / su %u = bl %u\n", off, su, bl);
+
+	stripeno = bl / sc;
+	stripepos = bl % sc;
+	objsetno = stripeno / su_per_object;
+
+	*ono = objsetno * sc + stripepos;
+	dout("objset %u * sc %u = ono %u\n", objsetno, sc, (unsigned)*ono);
+
+	/* *oxoff = *off % layout->fl_stripe_unit;  # offset in su */
+	t = off;
+	su_offset = do_div(t, su);
+	*oxoff = su_offset + (stripeno % su_per_object) * su;
+
+	/*
+	 * Calculate the length of the extent being written to the selected
+	 * object. This is the minimum of the full length requested (plen) or
+	 * the remainder of the current stripe being written to.
+	 */
+	*oxlen = min_t(u64, *plen, su - su_offset);
+	*plen = *oxlen;
+
+	dout(" obj extent %llu~%llu\n", *oxoff, *oxlen);
+}
+
+/*
+ * calculate an object layout (i.e. pgid) from an oid,
+ * file_layout, and osdmap
+ */
+int ceph_calc_object_layout(struct ceph_object_layout *ol,
+			    const char *oid,
+			    struct ceph_file_layout *fl,
+			    struct ceph_osdmap *osdmap)
+{
+	unsigned num, num_mask;
+	struct ceph_pg pgid;
+	s32 preferred = (s32)le32_to_cpu(fl->fl_pg_preferred);
+	int poolid = le32_to_cpu(fl->fl_pg_pool);
+	struct ceph_pg_pool_info *pool;
+	unsigned ps;
+
+	BUG_ON(!osdmap);
+
+	pool = __lookup_pg_pool(&osdmap->pg_pools, poolid);
+	if (!pool)
+		return -EIO;
+	ps = ceph_str_hash(pool->v.object_hash, oid, strlen(oid));
+	if (preferred >= 0) {
+		ps += preferred;
+		num = le32_to_cpu(pool->v.lpg_num);
+		num_mask = pool->lpg_num_mask;
+	} else {
+		num = le32_to_cpu(pool->v.pg_num);
+		num_mask = pool->pg_num_mask;
+	}
+
+	pgid.ps = cpu_to_le16(ps);
+	pgid.preferred = cpu_to_le16(preferred);
+	pgid.pool = fl->fl_pg_pool;
+	if (preferred >= 0)
+		dout("calc_object_layout '%s' pgid %d.%xp%d\n", oid, poolid, ps,
+		     (int)preferred);
+	else
+		dout("calc_object_layout '%s' pgid %d.%x\n", oid, poolid, ps);
+
+	ol->ol_pgid = pgid;
+	ol->ol_stripe_unit = fl->fl_object_stripe_unit;
+	return 0;
+}
+
+/*
+ * Calculate raw osd vector for the given pgid.  Return pointer to osd
+ * array, or NULL on failure.
+ */
+static int *calc_pg_raw(struct ceph_osdmap *osdmap, struct ceph_pg pgid,
+			int *osds, int *num)
+{
+	struct ceph_pg_mapping *pg;
+	struct ceph_pg_pool_info *pool;
+	int ruleno;
+	unsigned poolid, ps, pps;
+	int preferred;
+
+	/* pg_temp? */
+	pg = __lookup_pg_mapping(&osdmap->pg_temp, pgid);
+	if (pg) {
+		*num = pg->len;
+		return pg->osds;
+	}
+
+	/* crush */
+	poolid = le32_to_cpu(pgid.pool);
+	ps = le16_to_cpu(pgid.ps);
+	preferred = (s16)le16_to_cpu(pgid.preferred);
+
+	/* don't forcefeed bad device ids to crush */
+	if (preferred >= osdmap->max_osd ||
+	    preferred >= osdmap->crush->max_devices)
+		preferred = -1;
+
+	pool = __lookup_pg_pool(&osdmap->pg_pools, poolid);
+	if (!pool)
+		return NULL;
+	ruleno = crush_find_rule(osdmap->crush, pool->v.crush_ruleset,
+				 pool->v.type, pool->v.size);
+	if (ruleno < 0) {
+		pr_err("no crush rule pool %d type %d size %d\n",
+		       poolid, pool->v.type, pool->v.size);
+		return NULL;
+	}
+
+	if (preferred >= 0)
+		pps = ceph_stable_mod(ps,
+				      le32_to_cpu(pool->v.lpgp_num),
+				      pool->lpgp_num_mask);
+	else
+		pps = ceph_stable_mod(ps,
+				      le32_to_cpu(pool->v.pgp_num),
+				      pool->pgp_num_mask);
+	pps += poolid;
+	*num = crush_do_rule(osdmap->crush, ruleno, pps, osds,
+			     min_t(int, pool->v.size, *num),
+			     preferred, osdmap->osd_weight);
+	return osds;
+}
+
+/*
+ * Return primary osd for given pgid, or -1 if none.
+ */
+int ceph_calc_pg_primary(struct ceph_osdmap *osdmap, struct ceph_pg pgid)
+{
+	int rawosds[10], *osds;
+	int i, num = ARRAY_SIZE(rawosds);
+
+	osds = calc_pg_raw(osdmap, pgid, rawosds, &num);
+	if (!osds)
+		return -1;
+
+	/* primary is first up osd */
+	for (i = 0; i < num; i++)
+		if (ceph_osd_is_up(osdmap, osds[i])) {
+			return osds[i];
+			break;
+		}
+	return -1;
+}
diff --git a/fs/ceph/osdmap.h b/fs/ceph/osdmap.h
new file mode 100644
index 000000000000..1fb55afb2642
--- /dev/null
+++ b/fs/ceph/osdmap.h
@@ -0,0 +1,125 @@
+#ifndef _FS_CEPH_OSDMAP_H
+#define _FS_CEPH_OSDMAP_H
+
+#include <linux/rbtree.h>
+#include "types.h"
+#include "ceph_fs.h"
+#include "crush/crush.h"
+
+/*
+ * The osd map describes the current membership of the osd cluster and
+ * specifies the mapping of objects to placement groups and placement
+ * groups to (sets of) osds.  That is, it completely specifies the
+ * (desired) distribution of all data objects in the system at some
+ * point in time.
+ *
+ * Each map version is identified by an epoch, which increases monotonically.
+ *
+ * The map can be updated either via an incremental map (diff) describing
+ * the change between two successive epochs, or as a fully encoded map.
+ */
+struct ceph_pg_pool_info {
+	struct rb_node node;
+	int id;
+	struct ceph_pg_pool v;
+	int pg_num_mask, pgp_num_mask, lpg_num_mask, lpgp_num_mask;
+};
+
+struct ceph_pg_mapping {
+	struct rb_node node;
+	struct ceph_pg pgid;
+	int len;
+	int osds[];
+};
+
+struct ceph_osdmap {
+	struct ceph_fsid fsid;
+	u32 epoch;
+	u32 mkfs_epoch;
+	struct ceph_timespec created, modified;
+
+	u32 flags;         /* CEPH_OSDMAP_* */
+
+	u32 max_osd;       /* size of osd_state, _offload, _addr arrays */
+	u8 *osd_state;     /* CEPH_OSD_* */
+	u32 *osd_weight;   /* 0 = failed, 0x10000 = 100% normal */
+	struct ceph_entity_addr *osd_addr;
+
+	struct rb_root pg_temp;
+	struct rb_root pg_pools;
+	u32 pool_max;
+
+	/* the CRUSH map specifies the mapping of placement groups to
+	 * the list of osds that store+replicate them. */
+	struct crush_map *crush;
+};
+
+/*
+ * file layout helpers
+ */
+#define ceph_file_layout_su(l) ((__s32)le32_to_cpu((l).fl_stripe_unit))
+#define ceph_file_layout_stripe_count(l) \
+	((__s32)le32_to_cpu((l).fl_stripe_count))
+#define ceph_file_layout_object_size(l) ((__s32)le32_to_cpu((l).fl_object_size))
+#define ceph_file_layout_cas_hash(l) ((__s32)le32_to_cpu((l).fl_cas_hash))
+#define ceph_file_layout_object_su(l) \
+	((__s32)le32_to_cpu((l).fl_object_stripe_unit))
+#define ceph_file_layout_pg_preferred(l) \
+	((__s32)le32_to_cpu((l).fl_pg_preferred))
+#define ceph_file_layout_pg_pool(l) \
+	((__s32)le32_to_cpu((l).fl_pg_pool))
+
+static inline unsigned ceph_file_layout_stripe_width(struct ceph_file_layout *l)
+{
+	return le32_to_cpu(l->fl_stripe_unit) *
+		le32_to_cpu(l->fl_stripe_count);
+}
+
+/* "period" == bytes before i start on a new set of objects */
+static inline unsigned ceph_file_layout_period(struct ceph_file_layout *l)
+{
+	return le32_to_cpu(l->fl_object_size) *
+		le32_to_cpu(l->fl_stripe_count);
+}
+
+
+static inline int ceph_osd_is_up(struct ceph_osdmap *map, int osd)
+{
+	return (osd < map->max_osd) && (map->osd_state[osd] & CEPH_OSD_UP);
+}
+
+static inline bool ceph_osdmap_flag(struct ceph_osdmap *map, int flag)
+{
+	return map && (map->flags & flag);
+}
+
+extern char *ceph_osdmap_state_str(char *str, int len, int state);
+
+static inline struct ceph_entity_addr *ceph_osd_addr(struct ceph_osdmap *map,
+						     int osd)
+{
+	if (osd >= map->max_osd)
+		return NULL;
+	return &map->osd_addr[osd];
+}
+
+extern struct ceph_osdmap *osdmap_decode(void **p, void *end);
+extern struct ceph_osdmap *osdmap_apply_incremental(void **p, void *end,
+					    struct ceph_osdmap *map,
+					    struct ceph_messenger *msgr);
+extern void ceph_osdmap_destroy(struct ceph_osdmap *map);
+
+/* calculate mapping of a file extent to an object */
+extern void ceph_calc_file_object_mapping(struct ceph_file_layout *layout,
+					  u64 off, u64 *plen,
+					  u64 *bno, u64 *oxoff, u64 *oxlen);
+
+/* calculate mapping of object to a placement group */
+extern int ceph_calc_object_layout(struct ceph_object_layout *ol,
+				   const char *oid,
+				   struct ceph_file_layout *fl,
+				   struct ceph_osdmap *osdmap);
+extern int ceph_calc_pg_primary(struct ceph_osdmap *osdmap,
+				struct ceph_pg pgid);
+
+#endif
diff --git a/fs/ceph/pagelist.c b/fs/ceph/pagelist.c
new file mode 100644
index 000000000000..370e93695474
--- /dev/null
+++ b/fs/ceph/pagelist.c
@@ -0,0 +1,54 @@
+
+#include <linux/pagemap.h>
+#include <linux/highmem.h>
+
+#include "pagelist.h"
+
+int ceph_pagelist_release(struct ceph_pagelist *pl)
+{
+	if (pl->mapped_tail)
+		kunmap(pl->mapped_tail);
+	while (!list_empty(&pl->head)) {
+		struct page *page = list_first_entry(&pl->head, struct page,
+						     lru);
+		list_del(&page->lru);
+		__free_page(page);
+	}
+	return 0;
+}
+
+static int ceph_pagelist_addpage(struct ceph_pagelist *pl)
+{
+	struct page *page = alloc_page(GFP_NOFS);
+	if (!page)
+		return -ENOMEM;
+	pl->room += PAGE_SIZE;
+	list_add_tail(&page->lru, &pl->head);
+	if (pl->mapped_tail)
+		kunmap(pl->mapped_tail);
+	pl->mapped_tail = kmap(page);
+	return 0;
+}
+
+int ceph_pagelist_append(struct ceph_pagelist *pl, void *buf, size_t len)
+{
+	while (pl->room < len) {
+		size_t bit = pl->room;
+		int ret;
+
+		memcpy(pl->mapped_tail + (pl->length & ~PAGE_CACHE_MASK),
+		       buf, bit);
+		pl->length += bit;
+		pl->room -= bit;
+		buf += bit;
+		len -= bit;
+		ret = ceph_pagelist_addpage(pl);
+		if (ret)
+			return ret;
+	}
+
+	memcpy(pl->mapped_tail + (pl->length & ~PAGE_CACHE_MASK), buf, len);
+	pl->length += len;
+	pl->room -= len;
+	return 0;
+}
diff --git a/fs/ceph/pagelist.h b/fs/ceph/pagelist.h
new file mode 100644
index 000000000000..e8a4187e1087
--- /dev/null
+++ b/fs/ceph/pagelist.h
@@ -0,0 +1,54 @@
+#ifndef __FS_CEPH_PAGELIST_H
+#define __FS_CEPH_PAGELIST_H
+
+#include <linux/list.h>
+
+struct ceph_pagelist {
+	struct list_head head;
+	void *mapped_tail;
+	size_t length;
+	size_t room;
+};
+
+static inline void ceph_pagelist_init(struct ceph_pagelist *pl)
+{
+	INIT_LIST_HEAD(&pl->head);
+	pl->mapped_tail = NULL;
+	pl->length = 0;
+	pl->room = 0;
+}
+extern int ceph_pagelist_release(struct ceph_pagelist *pl);
+
+extern int ceph_pagelist_append(struct ceph_pagelist *pl, void *d, size_t l);
+
+static inline int ceph_pagelist_encode_64(struct ceph_pagelist *pl, u64 v)
+{
+	__le64 ev = cpu_to_le64(v);
+	return ceph_pagelist_append(pl, &ev, sizeof(ev));
+}
+static inline int ceph_pagelist_encode_32(struct ceph_pagelist *pl, u32 v)
+{
+	__le32 ev = cpu_to_le32(v);
+	return ceph_pagelist_append(pl, &ev, sizeof(ev));
+}
+static inline int ceph_pagelist_encode_16(struct ceph_pagelist *pl, u16 v)
+{
+	__le16 ev = cpu_to_le16(v);
+	return ceph_pagelist_append(pl, &ev, sizeof(ev));
+}
+static inline int ceph_pagelist_encode_8(struct ceph_pagelist *pl, u8 v)
+{
+	return ceph_pagelist_append(pl, &v, 1);
+}
+static inline int ceph_pagelist_encode_string(struct ceph_pagelist *pl,
+					      char *s, size_t len)
+{
+	int ret = ceph_pagelist_encode_32(pl, len);
+	if (ret)
+		return ret;
+	if (len)
+		return ceph_pagelist_append(pl, s, len);
+	return 0;
+}
+
+#endif
diff --git a/fs/ceph/rados.h b/fs/ceph/rados.h
new file mode 100644
index 000000000000..26ac8b89a676
--- /dev/null
+++ b/fs/ceph/rados.h
@@ -0,0 +1,374 @@
+#ifndef __RADOS_H
+#define __RADOS_H
+
+/*
+ * Data types for the Ceph distributed object storage layer RADOS
+ * (Reliable Autonomic Distributed Object Store).
+ */
+
+#include "msgr.h"
+
+/*
+ * osdmap encoding versions
+ */
+#define CEPH_OSDMAP_INC_VERSION 4
+#define CEPH_OSDMAP_VERSION     4
+
+/*
+ * fs id
+ */
+struct ceph_fsid {
+	unsigned char fsid[16];
+};
+
+static inline int ceph_fsid_compare(const struct ceph_fsid *a,
+				    const struct ceph_fsid *b)
+{
+	return memcmp(a, b, sizeof(*a));
+}
+
+/*
+ * ino, object, etc.
+ */
+typedef __le64 ceph_snapid_t;
+#define CEPH_SNAPDIR ((__u64)(-1))  /* reserved for hidden .snap dir */
+#define CEPH_NOSNAP  ((__u64)(-2))  /* "head", "live" revision */
+#define CEPH_MAXSNAP ((__u64)(-3))  /* largest valid snapid */
+
+struct ceph_timespec {
+	__le32 tv_sec;
+	__le32 tv_nsec;
+} __attribute__ ((packed));
+
+
+/*
+ * object layout - how objects are mapped into PGs
+ */
+#define CEPH_OBJECT_LAYOUT_HASH     1
+#define CEPH_OBJECT_LAYOUT_LINEAR   2
+#define CEPH_OBJECT_LAYOUT_HASHINO  3
+
+/*
+ * pg layout -- how PGs are mapped onto (sets of) OSDs
+ */
+#define CEPH_PG_LAYOUT_CRUSH  0
+#define CEPH_PG_LAYOUT_HASH   1
+#define CEPH_PG_LAYOUT_LINEAR 2
+#define CEPH_PG_LAYOUT_HYBRID 3
+
+
+/*
+ * placement group.
+ * we encode this into one __le64.
+ */
+struct ceph_pg {
+	__le16 preferred; /* preferred primary osd */
+	__le16 ps;        /* placement seed */
+	__le32 pool;      /* object pool */
+} __attribute__ ((packed));
+
+/*
+ * pg_pool is a set of pgs storing a pool of objects
+ *
+ *  pg_num -- base number of pseudorandomly placed pgs
+ *
+ *  pgp_num -- effective number when calculating pg placement.  this
+ * is used for pg_num increases.  new pgs result in data being "split"
+ * into new pgs.  for this to proceed smoothly, new pgs are intiially
+ * colocated with their parents; that is, pgp_num doesn't increase
+ * until the new pgs have successfully split.  only _then_ are the new
+ * pgs placed independently.
+ *
+ *  lpg_num -- localized pg count (per device).  replicas are randomly
+ * selected.
+ *
+ *  lpgp_num -- as above.
+ */
+#define CEPH_PG_TYPE_REP     1
+#define CEPH_PG_TYPE_RAID4   2
+#define CEPH_PG_POOL_VERSION 2
+struct ceph_pg_pool {
+	__u8 type;                /* CEPH_PG_TYPE_* */
+	__u8 size;                /* number of osds in each pg */
+	__u8 crush_ruleset;       /* crush placement rule */
+	__u8 object_hash;         /* hash mapping object name to ps */
+	__le32 pg_num, pgp_num;   /* number of pg's */
+	__le32 lpg_num, lpgp_num; /* number of localized pg's */
+	__le32 last_change;       /* most recent epoch changed */
+	__le64 snap_seq;          /* seq for per-pool snapshot */
+	__le32 snap_epoch;        /* epoch of last snap */
+	__le32 num_snaps;
+	__le32 num_removed_snap_intervals;
+	__le64 uid;
+} __attribute__ ((packed));
+
+/*
+ * stable_mod func is used to control number of placement groups.
+ * similar to straight-up modulo, but produces a stable mapping as b
+ * increases over time.  b is the number of bins, and bmask is the
+ * containing power of 2 minus 1.
+ *
+ * b <= bmask and bmask=(2**n)-1
+ * e.g., b=12 -> bmask=15, b=123 -> bmask=127
+ */
+static inline int ceph_stable_mod(int x, int b, int bmask)
+{
+	if ((x & bmask) < b)
+		return x & bmask;
+	else
+		return x & (bmask >> 1);
+}
+
+/*
+ * object layout - how a given object should be stored.
+ */
+struct ceph_object_layout {
+	struct ceph_pg ol_pgid;   /* raw pg, with _full_ ps precision. */
+	__le32 ol_stripe_unit;    /* for per-object parity, if any */
+} __attribute__ ((packed));
+
+/*
+ * compound epoch+version, used by storage layer to serialize mutations
+ */
+struct ceph_eversion {
+	__le32 epoch;
+	__le64 version;
+} __attribute__ ((packed));
+
+/*
+ * osd map bits
+ */
+
+/* status bits */
+#define CEPH_OSD_EXISTS 1
+#define CEPH_OSD_UP     2
+
+/* osd weights.  fixed point value: 0x10000 == 1.0 ("in"), 0 == "out" */
+#define CEPH_OSD_IN  0x10000
+#define CEPH_OSD_OUT 0
+
+
+/*
+ * osd map flag bits
+ */
+#define CEPH_OSDMAP_NEARFULL (1<<0)  /* sync writes (near ENOSPC) */
+#define CEPH_OSDMAP_FULL     (1<<1)  /* no data writes (ENOSPC) */
+#define CEPH_OSDMAP_PAUSERD  (1<<2)  /* pause all reads */
+#define CEPH_OSDMAP_PAUSEWR  (1<<3)  /* pause all writes */
+#define CEPH_OSDMAP_PAUSEREC (1<<4)  /* pause recovery */
+
+/*
+ * osd ops
+ */
+#define CEPH_OSD_OP_MODE       0xf000
+#define CEPH_OSD_OP_MODE_RD    0x1000
+#define CEPH_OSD_OP_MODE_WR    0x2000
+#define CEPH_OSD_OP_MODE_RMW   0x3000
+#define CEPH_OSD_OP_MODE_SUB   0x4000
+
+#define CEPH_OSD_OP_TYPE       0x0f00
+#define CEPH_OSD_OP_TYPE_LOCK  0x0100
+#define CEPH_OSD_OP_TYPE_DATA  0x0200
+#define CEPH_OSD_OP_TYPE_ATTR  0x0300
+#define CEPH_OSD_OP_TYPE_EXEC  0x0400
+#define CEPH_OSD_OP_TYPE_PG    0x0500
+
+enum {
+	/** data **/
+	/* read */
+	CEPH_OSD_OP_READ      = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 1,
+	CEPH_OSD_OP_STAT      = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 2,
+
+	/* fancy read */
+	CEPH_OSD_OP_MASKTRUNC = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 4,
+
+	/* write */
+	CEPH_OSD_OP_WRITE     = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 1,
+	CEPH_OSD_OP_WRITEFULL = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 2,
+	CEPH_OSD_OP_TRUNCATE  = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 3,
+	CEPH_OSD_OP_ZERO      = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 4,
+	CEPH_OSD_OP_DELETE    = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 5,
+
+	/* fancy write */
+	CEPH_OSD_OP_APPEND    = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 6,
+	CEPH_OSD_OP_STARTSYNC = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 7,
+	CEPH_OSD_OP_SETTRUNC  = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 8,
+	CEPH_OSD_OP_TRIMTRUNC = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 9,
+
+	CEPH_OSD_OP_TMAPUP  = CEPH_OSD_OP_MODE_RMW | CEPH_OSD_OP_TYPE_DATA | 10,
+	CEPH_OSD_OP_TMAPPUT = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 11,
+	CEPH_OSD_OP_TMAPGET = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_DATA | 12,
+
+	CEPH_OSD_OP_CREATE  = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_DATA | 13,
+
+	/** attrs **/
+	/* read */
+	CEPH_OSD_OP_GETXATTR  = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 1,
+	CEPH_OSD_OP_GETXATTRS = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_ATTR | 2,
+
+	/* write */
+	CEPH_OSD_OP_SETXATTR  = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 1,
+	CEPH_OSD_OP_SETXATTRS = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 2,
+	CEPH_OSD_OP_RESETXATTRS = CEPH_OSD_OP_MODE_WR|CEPH_OSD_OP_TYPE_ATTR | 3,
+	CEPH_OSD_OP_RMXATTR   = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_ATTR | 4,
+
+	/** subop **/
+	CEPH_OSD_OP_PULL           = CEPH_OSD_OP_MODE_SUB | 1,
+	CEPH_OSD_OP_PUSH           = CEPH_OSD_OP_MODE_SUB | 2,
+	CEPH_OSD_OP_BALANCEREADS   = CEPH_OSD_OP_MODE_SUB | 3,
+	CEPH_OSD_OP_UNBALANCEREADS = CEPH_OSD_OP_MODE_SUB | 4,
+	CEPH_OSD_OP_SCRUB          = CEPH_OSD_OP_MODE_SUB | 5,
+
+	/** lock **/
+	CEPH_OSD_OP_WRLOCK    = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 1,
+	CEPH_OSD_OP_WRUNLOCK  = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 2,
+	CEPH_OSD_OP_RDLOCK    = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 3,
+	CEPH_OSD_OP_RDUNLOCK  = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 4,
+	CEPH_OSD_OP_UPLOCK    = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 5,
+	CEPH_OSD_OP_DNLOCK    = CEPH_OSD_OP_MODE_WR | CEPH_OSD_OP_TYPE_LOCK | 6,
+
+	/** exec **/
+	CEPH_OSD_OP_CALL    = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_EXEC | 1,
+
+	/** pg **/
+	CEPH_OSD_OP_PGLS      = CEPH_OSD_OP_MODE_RD | CEPH_OSD_OP_TYPE_PG | 1,
+};
+
+static inline int ceph_osd_op_type_lock(int op)
+{
+	return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_LOCK;
+}
+static inline int ceph_osd_op_type_data(int op)
+{
+	return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_DATA;
+}
+static inline int ceph_osd_op_type_attr(int op)
+{
+	return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_ATTR;
+}
+static inline int ceph_osd_op_type_exec(int op)
+{
+	return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_EXEC;
+}
+static inline int ceph_osd_op_type_pg(int op)
+{
+	return (op & CEPH_OSD_OP_TYPE) == CEPH_OSD_OP_TYPE_PG;
+}
+
+static inline int ceph_osd_op_mode_subop(int op)
+{
+	return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_SUB;
+}
+static inline int ceph_osd_op_mode_read(int op)
+{
+	return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_RD;
+}
+static inline int ceph_osd_op_mode_modify(int op)
+{
+	return (op & CEPH_OSD_OP_MODE) == CEPH_OSD_OP_MODE_WR;
+}
+
+#define CEPH_OSD_TMAP_HDR 'h'
+#define CEPH_OSD_TMAP_SET 's'
+#define CEPH_OSD_TMAP_RM  'r'
+
+extern const char *ceph_osd_op_name(int op);
+
+
+/*
+ * osd op flags
+ *
+ * An op may be READ, WRITE, or READ|WRITE.
+ */
+enum {
+	CEPH_OSD_FLAG_ACK = 1,          /* want (or is) "ack" ack */
+	CEPH_OSD_FLAG_ONNVRAM = 2,      /* want (or is) "onnvram" ack */
+	CEPH_OSD_FLAG_ONDISK = 4,       /* want (or is) "ondisk" ack */
+	CEPH_OSD_FLAG_RETRY = 8,        /* resend attempt */
+	CEPH_OSD_FLAG_READ = 16,        /* op may read */
+	CEPH_OSD_FLAG_WRITE = 32,       /* op may write */
+	CEPH_OSD_FLAG_ORDERSNAP = 64,   /* EOLDSNAP if snapc is out of order */
+	CEPH_OSD_FLAG_PEERSTAT = 128,   /* msg includes osd_peer_stat */
+	CEPH_OSD_FLAG_BALANCE_READS = 256,
+	CEPH_OSD_FLAG_PARALLELEXEC = 512, /* execute op in parallel */
+	CEPH_OSD_FLAG_PGOP = 1024,      /* pg op, no object */
+	CEPH_OSD_FLAG_EXEC = 2048,      /* op may exec */
+};
+
+enum {
+	CEPH_OSD_OP_FLAG_EXCL = 1,      /* EXCL object create */
+};
+
+#define EOLDSNAPC    ERESTART  /* ORDERSNAP flag set; writer has old snapc*/
+#define EBLACKLISTED ESHUTDOWN /* blacklisted */
+
+/*
+ * an individual object operation.  each may be accompanied by some data
+ * payload
+ */
+struct ceph_osd_op {
+	__le16 op;           /* CEPH_OSD_OP_* */
+	__le32 flags;        /* CEPH_OSD_FLAG_* */
+	union {
+		struct {
+			__le64 offset, length;
+			__le64 truncate_size;
+			__le32 truncate_seq;
+		} __attribute__ ((packed)) extent;
+		struct {
+			__le32 name_len;
+			__le32 value_len;
+		} __attribute__ ((packed)) xattr;
+		struct {
+			__u8 class_len;
+			__u8 method_len;
+			__u8 argc;
+			__le32 indata_len;
+		} __attribute__ ((packed)) cls;
+		struct {
+			__le64 cookie, count;
+		} __attribute__ ((packed)) pgls;
+	};
+	__le32 payload_len;
+} __attribute__ ((packed));
+
+/*
+ * osd request message header.  each request may include multiple
+ * ceph_osd_op object operations.
+ */
+struct ceph_osd_request_head {
+	__le32 client_inc;                 /* client incarnation */
+	struct ceph_object_layout layout;  /* pgid */
+	__le32 osdmap_epoch;               /* client's osdmap epoch */
+
+	__le32 flags;
+
+	struct ceph_timespec mtime;        /* for mutations only */
+	struct ceph_eversion reassert_version; /* if we are replaying op */
+
+	__le32 object_len;     /* length of object name */
+
+	__le64 snapid;         /* snapid to read */
+	__le64 snap_seq;       /* writer's snap context */
+	__le32 num_snaps;
+
+	__le16 num_ops;
+	struct ceph_osd_op ops[];  /* followed by ops[], obj, ticket, snaps */
+} __attribute__ ((packed));
+
+struct ceph_osd_reply_head {
+	__le32 client_inc;                /* client incarnation */
+	__le32 flags;
+	struct ceph_object_layout layout;
+	__le32 osdmap_epoch;
+	struct ceph_eversion reassert_version; /* for replaying uncommitted */
+
+	__le32 result;                    /* result code */
+
+	__le32 object_len;                /* length of object name */
+	__le32 num_ops;
+	struct ceph_osd_op ops[0];  /* ops[], object */
+} __attribute__ ((packed));
+
+
+#endif
diff --git a/fs/ceph/snap.c b/fs/ceph/snap.c
new file mode 100644
index 000000000000..df04e210a055
--- /dev/null
+++ b/fs/ceph/snap.c
@@ -0,0 +1,906 @@
+#include "ceph_debug.h"
+
+#include <linux/sort.h>
+
+#include "super.h"
+#include "decode.h"
+
+/*
+ * Snapshots in ceph are driven in large part by cooperation from the
+ * client.  In contrast to local file systems or file servers that
+ * implement snapshots at a single point in the system, ceph's
+ * distributed access to storage requires clients to help decide
+ * whether a write logically occurs before or after a recently created
+ * snapshot.
+ *
+ * This provides a perfect instantanous client-wide snapshot.  Between
+ * clients, however, snapshots may appear to be applied at slightly
+ * different points in time, depending on delays in delivering the
+ * snapshot notification.
+ *
+ * Snapshots are _not_ file system-wide.  Instead, each snapshot
+ * applies to the subdirectory nested beneath some directory.  This
+ * effectively divides the hierarchy into multiple "realms," where all
+ * of the files contained by each realm share the same set of
+ * snapshots.  An individual realm's snap set contains snapshots
+ * explicitly created on that realm, as well as any snaps in its
+ * parent's snap set _after_ the point at which the parent became it's
+ * parent (due to, say, a rename).  Similarly, snaps from prior parents
+ * during the time intervals during which they were the parent are included.
+ *
+ * The client is spared most of this detail, fortunately... it must only
+ * maintains a hierarchy of realms reflecting the current parent/child
+ * realm relationship, and for each realm has an explicit list of snaps
+ * inherited from prior parents.
+ *
+ * A snap_realm struct is maintained for realms containing every inode
+ * with an open cap in the system.  (The needed snap realm information is
+ * provided by the MDS whenever a cap is issued, i.e., on open.)  A 'seq'
+ * version number is used to ensure that as realm parameters change (new
+ * snapshot, new parent, etc.) the client's realm hierarchy is updated.
+ *
+ * The realm hierarchy drives the generation of a 'snap context' for each
+ * realm, which simply lists the resulting set of snaps for the realm.  This
+ * is attached to any writes sent to OSDs.
+ */
+/*
+ * Unfortunately error handling is a bit mixed here.  If we get a snap
+ * update, but don't have enough memory to update our realm hierarchy,
+ * it's not clear what we can do about it (besides complaining to the
+ * console).
+ */
+
+
+/*
+ * increase ref count for the realm
+ *
+ * caller must hold snap_rwsem for write.
+ */
+void ceph_get_snap_realm(struct ceph_mds_client *mdsc,
+			 struct ceph_snap_realm *realm)
+{
+	dout("get_realm %p %d -> %d\n", realm,
+	     atomic_read(&realm->nref), atomic_read(&realm->nref)+1);
+	/*
+	 * since we _only_ increment realm refs or empty the empty
+	 * list with snap_rwsem held, adjusting the empty list here is
+	 * safe.  we do need to protect against concurrent empty list
+	 * additions, however.
+	 */
+	if (atomic_read(&realm->nref) == 0) {
+		spin_lock(&mdsc->snap_empty_lock);
+		list_del_init(&realm->empty_item);
+		spin_unlock(&mdsc->snap_empty_lock);
+	}
+
+	atomic_inc(&realm->nref);
+}
+
+static void __insert_snap_realm(struct rb_root *root,
+				struct ceph_snap_realm *new)
+{
+	struct rb_node **p = &root->rb_node;
+	struct rb_node *parent = NULL;
+	struct ceph_snap_realm *r = NULL;
+
+	while (*p) {
+		parent = *p;
+		r = rb_entry(parent, struct ceph_snap_realm, node);
+		if (new->ino < r->ino)
+			p = &(*p)->rb_left;
+		else if (new->ino > r->ino)
+			p = &(*p)->rb_right;
+		else
+			BUG();
+	}
+
+	rb_link_node(&new->node, parent, p);
+	rb_insert_color(&new->node, root);
+}
+
+/*
+ * create and get the realm rooted at @ino and bump its ref count.
+ *
+ * caller must hold snap_rwsem for write.
+ */
+static struct ceph_snap_realm *ceph_create_snap_realm(
+	struct ceph_mds_client *mdsc,
+	u64 ino)
+{
+	struct ceph_snap_realm *realm;
+
+	realm = kzalloc(sizeof(*realm), GFP_NOFS);
+	if (!realm)
+		return ERR_PTR(-ENOMEM);
+
+	atomic_set(&realm->nref, 0);    /* tree does not take a ref */
+	realm->ino = ino;
+	INIT_LIST_HEAD(&realm->children);
+	INIT_LIST_HEAD(&realm->child_item);
+	INIT_LIST_HEAD(&realm->empty_item);
+	INIT_LIST_HEAD(&realm->inodes_with_caps);
+	spin_lock_init(&realm->inodes_with_caps_lock);
+	__insert_snap_realm(&mdsc->snap_realms, realm);
+	dout("create_snap_realm %llx %p\n", realm->ino, realm);
+	return realm;
+}
+
+/*
+ * lookup the realm rooted at @ino.
+ *
+ * caller must hold snap_rwsem for write.
+ */
+struct ceph_snap_realm *ceph_lookup_snap_realm(struct ceph_mds_client *mdsc,
+					       u64 ino)
+{
+	struct rb_node *n = mdsc->snap_realms.rb_node;
+	struct ceph_snap_realm *r;
+
+	while (n) {
+		r = rb_entry(n, struct ceph_snap_realm, node);
+		if (ino < r->ino)
+			n = n->rb_left;
+		else if (ino > r->ino)
+			n = n->rb_right;
+		else {
+			dout("lookup_snap_realm %llx %p\n", r->ino, r);
+			return r;
+		}
+	}
+	return NULL;
+}
+
+static void __put_snap_realm(struct ceph_mds_client *mdsc,
+			     struct ceph_snap_realm *realm);
+
+/*
+ * called with snap_rwsem (write)
+ */
+static void __destroy_snap_realm(struct ceph_mds_client *mdsc,
+				 struct ceph_snap_realm *realm)
+{
+	dout("__destroy_snap_realm %p %llx\n", realm, realm->ino);
+
+	rb_erase(&realm->node, &mdsc->snap_realms);
+
+	if (realm->parent) {
+		list_del_init(&realm->child_item);
+		__put_snap_realm(mdsc, realm->parent);
+	}
+
+	kfree(realm->prior_parent_snaps);
+	kfree(realm->snaps);
+	ceph_put_snap_context(realm->cached_context);
+	kfree(realm);
+}
+
+/*
+ * caller holds snap_rwsem (write)
+ */
+static void __put_snap_realm(struct ceph_mds_client *mdsc,
+			     struct ceph_snap_realm *realm)
+{
+	dout("__put_snap_realm %llx %p %d -> %d\n", realm->ino, realm,
+	     atomic_read(&realm->nref), atomic_read(&realm->nref)-1);
+	if (atomic_dec_and_test(&realm->nref))
+		__destroy_snap_realm(mdsc, realm);
+}
+
+/*
+ * caller needn't hold any locks
+ */
+void ceph_put_snap_realm(struct ceph_mds_client *mdsc,
+			 struct ceph_snap_realm *realm)
+{
+	dout("put_snap_realm %llx %p %d -> %d\n", realm->ino, realm,
+	     atomic_read(&realm->nref), atomic_read(&realm->nref)-1);
+	if (!atomic_dec_and_test(&realm->nref))
+		return;
+
+	if (down_write_trylock(&mdsc->snap_rwsem)) {
+		__destroy_snap_realm(mdsc, realm);
+		up_write(&mdsc->snap_rwsem);
+	} else {
+		spin_lock(&mdsc->snap_empty_lock);
+		list_add(&mdsc->snap_empty, &realm->empty_item);
+		spin_unlock(&mdsc->snap_empty_lock);
+	}
+}
+
+/*
+ * Clean up any realms whose ref counts have dropped to zero.  Note
+ * that this does not include realms who were created but not yet
+ * used.
+ *
+ * Called under snap_rwsem (write)
+ */
+static void __cleanup_empty_realms(struct ceph_mds_client *mdsc)
+{
+	struct ceph_snap_realm *realm;
+
+	spin_lock(&mdsc->snap_empty_lock);
+	while (!list_empty(&mdsc->snap_empty)) {
+		realm = list_first_entry(&mdsc->snap_empty,
+				   struct ceph_snap_realm, empty_item);
+		list_del(&realm->empty_item);
+		spin_unlock(&mdsc->snap_empty_lock);
+		__destroy_snap_realm(mdsc, realm);
+		spin_lock(&mdsc->snap_empty_lock);
+	}
+	spin_unlock(&mdsc->snap_empty_lock);
+}
+
+void ceph_cleanup_empty_realms(struct ceph_mds_client *mdsc)
+{
+	down_write(&mdsc->snap_rwsem);
+	__cleanup_empty_realms(mdsc);
+	up_write(&mdsc->snap_rwsem);
+}
+
+/*
+ * adjust the parent realm of a given @realm.  adjust child list, and parent
+ * pointers, and ref counts appropriately.
+ *
+ * return true if parent was changed, 0 if unchanged, <0 on error.
+ *
+ * caller must hold snap_rwsem for write.
+ */
+static int adjust_snap_realm_parent(struct ceph_mds_client *mdsc,
+				    struct ceph_snap_realm *realm,
+				    u64 parentino)
+{
+	struct ceph_snap_realm *parent;
+
+	if (realm->parent_ino == parentino)
+		return 0;
+
+	parent = ceph_lookup_snap_realm(mdsc, parentino);
+	if (!parent) {
+		parent = ceph_create_snap_realm(mdsc, parentino);
+		if (IS_ERR(parent))
+			return PTR_ERR(parent);
+	}
+	dout("adjust_snap_realm_parent %llx %p: %llx %p -> %llx %p\n",
+	     realm->ino, realm, realm->parent_ino, realm->parent,
+	     parentino, parent);
+	if (realm->parent) {
+		list_del_init(&realm->child_item);
+		ceph_put_snap_realm(mdsc, realm->parent);
+	}
+	realm->parent_ino = parentino;
+	realm->parent = parent;
+	ceph_get_snap_realm(mdsc, parent);
+	list_add(&realm->child_item, &parent->children);
+	return 1;
+}
+
+
+static int cmpu64_rev(const void *a, const void *b)
+{
+	if (*(u64 *)a < *(u64 *)b)
+		return 1;
+	if (*(u64 *)a > *(u64 *)b)
+		return -1;
+	return 0;
+}
+
+/*
+ * build the snap context for a given realm.
+ */
+static int build_snap_context(struct ceph_snap_realm *realm)
+{
+	struct ceph_snap_realm *parent = realm->parent;
+	struct ceph_snap_context *snapc;
+	int err = 0;
+	int i;
+	int num = realm->num_prior_parent_snaps + realm->num_snaps;
+
+	/*
+	 * build parent context, if it hasn't been built.
+	 * conservatively estimate that all parent snaps might be
+	 * included by us.
+	 */
+	if (parent) {
+		if (!parent->cached_context) {
+			err = build_snap_context(parent);
+			if (err)
+				goto fail;
+		}
+		num += parent->cached_context->num_snaps;
+	}
+
+	/* do i actually need to update?  not if my context seq
+	   matches realm seq, and my parents' does to.  (this works
+	   because we rebuild_snap_realms() works _downward_ in
+	   hierarchy after each update.) */
+	if (realm->cached_context &&
+	    realm->cached_context->seq == realm->seq &&
+	    (!parent ||
+	     realm->cached_context->seq >= parent->cached_context->seq)) {
+		dout("build_snap_context %llx %p: %p seq %lld (%d snaps)"
+		     " (unchanged)\n",
+		     realm->ino, realm, realm->cached_context,
+		     realm->cached_context->seq,
+		     realm->cached_context->num_snaps);
+		return 0;
+	}
+
+	/* alloc new snap context */
+	err = -ENOMEM;
+	if (num > ULONG_MAX / sizeof(u64) - sizeof(*snapc))
+		goto fail;
+	snapc = kzalloc(sizeof(*snapc) + num*sizeof(u64), GFP_NOFS);
+	if (!snapc)
+		goto fail;
+	atomic_set(&snapc->nref, 1);
+
+	/* build (reverse sorted) snap vector */
+	num = 0;
+	snapc->seq = realm->seq;
+	if (parent) {
+		/* include any of parent's snaps occuring _after_ my
+		   parent became my parent */
+		for (i = 0; i < parent->cached_context->num_snaps; i++)
+			if (parent->cached_context->snaps[i] >=
+			    realm->parent_since)
+				snapc->snaps[num++] =
+					parent->cached_context->snaps[i];
+		if (parent->cached_context->seq > snapc->seq)
+			snapc->seq = parent->cached_context->seq;
+	}
+	memcpy(snapc->snaps + num, realm->snaps,
+	       sizeof(u64)*realm->num_snaps);
+	num += realm->num_snaps;
+	memcpy(snapc->snaps + num, realm->prior_parent_snaps,
+	       sizeof(u64)*realm->num_prior_parent_snaps);
+	num += realm->num_prior_parent_snaps;
+
+	sort(snapc->snaps, num, sizeof(u64), cmpu64_rev, NULL);
+	snapc->num_snaps = num;
+	dout("build_snap_context %llx %p: %p seq %lld (%d snaps)\n",
+	     realm->ino, realm, snapc, snapc->seq, snapc->num_snaps);
+
+	if (realm->cached_context)
+		ceph_put_snap_context(realm->cached_context);
+	realm->cached_context = snapc;
+	return 0;
+
+fail:
+	/*
+	 * if we fail, clear old (incorrect) cached_context... hopefully
+	 * we'll have better luck building it later
+	 */
+	if (realm->cached_context) {
+		ceph_put_snap_context(realm->cached_context);
+		realm->cached_context = NULL;
+	}
+	pr_err("build_snap_context %llx %p fail %d\n", realm->ino,
+	       realm, err);
+	return err;
+}
+
+/*
+ * rebuild snap context for the given realm and all of its children.
+ */
+static void rebuild_snap_realms(struct ceph_snap_realm *realm)
+{
+	struct ceph_snap_realm *child;
+
+	dout("rebuild_snap_realms %llx %p\n", realm->ino, realm);
+	build_snap_context(realm);
+
+	list_for_each_entry(child, &realm->children, child_item)
+		rebuild_snap_realms(child);
+}
+
+
+/*
+ * helper to allocate and decode an array of snapids.  free prior
+ * instance, if any.
+ */
+static int dup_array(u64 **dst, __le64 *src, int num)
+{
+	int i;
+
+	kfree(*dst);
+	if (num) {
+		*dst = kcalloc(num, sizeof(u64), GFP_NOFS);
+		if (!*dst)
+			return -ENOMEM;
+		for (i = 0; i < num; i++)
+			(*dst)[i] = get_unaligned_le64(src + i);
+	} else {
+		*dst = NULL;
+	}
+	return 0;
+}
+
+
+/*
+ * When a snapshot is applied, the size/mtime inode metadata is queued
+ * in a ceph_cap_snap (one for each snapshot) until writeback
+ * completes and the metadata can be flushed back to the MDS.
+ *
+ * However, if a (sync) write is currently in-progress when we apply
+ * the snapshot, we have to wait until the write succeeds or fails
+ * (and a final size/mtime is known).  In this case the
+ * cap_snap->writing = 1, and is said to be "pending."  When the write
+ * finishes, we __ceph_finish_cap_snap().
+ *
+ * Caller must hold snap_rwsem for read (i.e., the realm topology won't
+ * change).
+ */
+void ceph_queue_cap_snap(struct ceph_inode_info *ci,
+			 struct ceph_snap_context *snapc)
+{
+	struct inode *inode = &ci->vfs_inode;
+	struct ceph_cap_snap *capsnap;
+	int used;
+
+	capsnap = kzalloc(sizeof(*capsnap), GFP_NOFS);
+	if (!capsnap) {
+		pr_err("ENOMEM allocating ceph_cap_snap on %p\n", inode);
+		return;
+	}
+
+	spin_lock(&inode->i_lock);
+	used = __ceph_caps_used(ci);
+	if (__ceph_have_pending_cap_snap(ci)) {
+		/* there is no point in queuing multiple "pending" cap_snaps,
+		   as no new writes are allowed to start when pending, so any
+		   writes in progress now were started before the previous
+		   cap_snap.  lucky us. */
+		dout("queue_cap_snap %p snapc %p seq %llu used %d"
+		     " already pending\n", inode, snapc, snapc->seq, used);
+		kfree(capsnap);
+	} else if (ci->i_wrbuffer_ref_head || (used & CEPH_CAP_FILE_WR)) {
+		igrab(inode);
+
+		atomic_set(&capsnap->nref, 1);
+		capsnap->ci = ci;
+		INIT_LIST_HEAD(&capsnap->ci_item);
+		INIT_LIST_HEAD(&capsnap->flushing_item);
+
+		capsnap->follows = snapc->seq - 1;
+		capsnap->context = ceph_get_snap_context(snapc);
+		capsnap->issued = __ceph_caps_issued(ci, NULL);
+		capsnap->dirty = __ceph_caps_dirty(ci);
+
+		capsnap->mode = inode->i_mode;
+		capsnap->uid = inode->i_uid;
+		capsnap->gid = inode->i_gid;
+
+		/* fixme? */
+		capsnap->xattr_blob = NULL;
+		capsnap->xattr_len = 0;
+
+		/* dirty page count moved from _head to this cap_snap;
+		   all subsequent writes page dirties occur _after_ this
+		   snapshot. */
+		capsnap->dirty_pages = ci->i_wrbuffer_ref_head;
+		ci->i_wrbuffer_ref_head = 0;
+		ceph_put_snap_context(ci->i_head_snapc);
+		ci->i_head_snapc = NULL;
+		list_add_tail(&capsnap->ci_item, &ci->i_cap_snaps);
+
+		if (used & CEPH_CAP_FILE_WR) {
+			dout("queue_cap_snap %p cap_snap %p snapc %p"
+			     " seq %llu used WR, now pending\n", inode,
+			     capsnap, snapc, snapc->seq);
+			capsnap->writing = 1;
+		} else {
+			/* note mtime, size NOW. */
+			__ceph_finish_cap_snap(ci, capsnap);
+		}
+	} else {
+		dout("queue_cap_snap %p nothing dirty|writing\n", inode);
+		kfree(capsnap);
+	}
+
+	spin_unlock(&inode->i_lock);
+}
+
+/*
+ * Finalize the size, mtime for a cap_snap.. that is, settle on final values
+ * to be used for the snapshot, to be flushed back to the mds.
+ *
+ * If capsnap can now be flushed, add to snap_flush list, and return 1.
+ *
+ * Caller must hold i_lock.
+ */
+int __ceph_finish_cap_snap(struct ceph_inode_info *ci,
+			    struct ceph_cap_snap *capsnap)
+{
+	struct inode *inode = &ci->vfs_inode;
+	struct ceph_mds_client *mdsc = &ceph_client(inode->i_sb)->mdsc;
+
+	BUG_ON(capsnap->writing);
+	capsnap->size = inode->i_size;
+	capsnap->mtime = inode->i_mtime;
+	capsnap->atime = inode->i_atime;
+	capsnap->ctime = inode->i_ctime;
+	capsnap->time_warp_seq = ci->i_time_warp_seq;
+	if (capsnap->dirty_pages) {
+		dout("finish_cap_snap %p cap_snap %p snapc %p %llu s=%llu "
+		     "still has %d dirty pages\n", inode, capsnap,
+		     capsnap->context, capsnap->context->seq,
+		     capsnap->size, capsnap->dirty_pages);
+		return 0;
+	}
+	dout("finish_cap_snap %p cap_snap %p snapc %p %llu s=%llu clean\n",
+	     inode, capsnap, capsnap->context,
+	     capsnap->context->seq, capsnap->size);
+
+	spin_lock(&mdsc->snap_flush_lock);
+	list_add_tail(&ci->i_snap_flush_item, &mdsc->snap_flush_list);
+	spin_unlock(&mdsc->snap_flush_lock);
+	return 1;  /* caller may want to ceph_flush_snaps */
+}
+
+
+/*
+ * Parse and apply a snapblob "snap trace" from the MDS.  This specifies
+ * the snap realm parameters from a given realm and all of its ancestors,
+ * up to the root.
+ *
+ * Caller must hold snap_rwsem for write.
+ */
+int ceph_update_snap_trace(struct ceph_mds_client *mdsc,
+			   void *p, void *e, bool deletion)
+{
+	struct ceph_mds_snap_realm *ri;    /* encoded */
+	__le64 *snaps;                     /* encoded */
+	__le64 *prior_parent_snaps;        /* encoded */
+	struct ceph_snap_realm *realm;
+	int invalidate = 0;
+	int err = -ENOMEM;
+
+	dout("update_snap_trace deletion=%d\n", deletion);
+more:
+	ceph_decode_need(&p, e, sizeof(*ri), bad);
+	ri = p;
+	p += sizeof(*ri);
+	ceph_decode_need(&p, e, sizeof(u64)*(le32_to_cpu(ri->num_snaps) +
+			    le32_to_cpu(ri->num_prior_parent_snaps)), bad);
+	snaps = p;
+	p += sizeof(u64) * le32_to_cpu(ri->num_snaps);
+	prior_parent_snaps = p;
+	p += sizeof(u64) * le32_to_cpu(ri->num_prior_parent_snaps);
+
+	realm = ceph_lookup_snap_realm(mdsc, le64_to_cpu(ri->ino));
+	if (!realm) {
+		realm = ceph_create_snap_realm(mdsc, le64_to_cpu(ri->ino));
+		if (IS_ERR(realm)) {
+			err = PTR_ERR(realm);
+			goto fail;
+		}
+	}
+
+	if (le64_to_cpu(ri->seq) > realm->seq) {
+		dout("update_snap_trace updating %llx %p %lld -> %lld\n",
+		     realm->ino, realm, realm->seq, le64_to_cpu(ri->seq));
+		/*
+		 * if the realm seq has changed, queue a cap_snap for every
+		 * inode with open caps.  we do this _before_ we update
+		 * the realm info so that we prepare for writeback under the
+		 * _previous_ snap context.
+		 *
+		 * ...unless it's a snap deletion!
+		 */
+		if (!deletion) {
+			struct ceph_inode_info *ci;
+			struct inode *lastinode = NULL;
+
+			spin_lock(&realm->inodes_with_caps_lock);
+			list_for_each_entry(ci, &realm->inodes_with_caps,
+					    i_snap_realm_item) {
+				struct inode *inode = igrab(&ci->vfs_inode);
+				if (!inode)
+					continue;
+				spin_unlock(&realm->inodes_with_caps_lock);
+				if (lastinode)
+					iput(lastinode);
+				lastinode = inode;
+				ceph_queue_cap_snap(ci, realm->cached_context);
+				spin_lock(&realm->inodes_with_caps_lock);
+			}
+			spin_unlock(&realm->inodes_with_caps_lock);
+			if (lastinode)
+				iput(lastinode);
+			dout("update_snap_trace cap_snaps queued\n");
+		}
+
+	} else {
+		dout("update_snap_trace %llx %p seq %lld unchanged\n",
+		     realm->ino, realm, realm->seq);
+	}
+
+	/* ensure the parent is correct */
+	err = adjust_snap_realm_parent(mdsc, realm, le64_to_cpu(ri->parent));
+	if (err < 0)
+		goto fail;
+	invalidate += err;
+
+	if (le64_to_cpu(ri->seq) > realm->seq) {
+		/* update realm parameters, snap lists */
+		realm->seq = le64_to_cpu(ri->seq);
+		realm->created = le64_to_cpu(ri->created);
+		realm->parent_since = le64_to_cpu(ri->parent_since);
+
+		realm->num_snaps = le32_to_cpu(ri->num_snaps);
+		err = dup_array(&realm->snaps, snaps, realm->num_snaps);
+		if (err < 0)
+			goto fail;
+
+		realm->num_prior_parent_snaps =
+			le32_to_cpu(ri->num_prior_parent_snaps);
+		err = dup_array(&realm->prior_parent_snaps, prior_parent_snaps,
+				realm->num_prior_parent_snaps);
+		if (err < 0)
+			goto fail;
+
+		invalidate = 1;
+	} else if (!realm->cached_context) {
+		invalidate = 1;
+	}
+
+	dout("done with %llx %p, invalidated=%d, %p %p\n", realm->ino,
+	     realm, invalidate, p, e);
+
+	if (p < e)
+		goto more;
+
+	/* invalidate when we reach the _end_ (root) of the trace */
+	if (invalidate)
+		rebuild_snap_realms(realm);
+
+	__cleanup_empty_realms(mdsc);
+	return 0;
+
+bad:
+	err = -EINVAL;
+fail:
+	pr_err("update_snap_trace error %d\n", err);
+	return err;
+}
+
+
+/*
+ * Send any cap_snaps that are queued for flush.  Try to carry
+ * s_mutex across multiple snap flushes to avoid locking overhead.
+ *
+ * Caller holds no locks.
+ */
+static void flush_snaps(struct ceph_mds_client *mdsc)
+{
+	struct ceph_inode_info *ci;
+	struct inode *inode;
+	struct ceph_mds_session *session = NULL;
+
+	dout("flush_snaps\n");
+	spin_lock(&mdsc->snap_flush_lock);
+	while (!list_empty(&mdsc->snap_flush_list)) {
+		ci = list_first_entry(&mdsc->snap_flush_list,
+				struct ceph_inode_info, i_snap_flush_item);
+		inode = &ci->vfs_inode;
+		igrab(inode);
+		spin_unlock(&mdsc->snap_flush_lock);
+		spin_lock(&inode->i_lock);
+		__ceph_flush_snaps(ci, &session);
+		spin_unlock(&inode->i_lock);
+		iput(inode);
+		spin_lock(&mdsc->snap_flush_lock);
+	}
+	spin_unlock(&mdsc->snap_flush_lock);
+
+	if (session) {
+		mutex_unlock(&session->s_mutex);
+		ceph_put_mds_session(session);
+	}
+	dout("flush_snaps done\n");
+}
+
+
+/*
+ * Handle a snap notification from the MDS.
+ *
+ * This can take two basic forms: the simplest is just a snap creation
+ * or deletion notification on an existing realm.  This should update the
+ * realm and its children.
+ *
+ * The more difficult case is realm creation, due to snap creation at a
+ * new point in the file hierarchy, or due to a rename that moves a file or
+ * directory into another realm.
+ */
+void ceph_handle_snap(struct ceph_mds_client *mdsc,
+		      struct ceph_mds_session *session,
+		      struct ceph_msg *msg)
+{
+	struct super_block *sb = mdsc->client->sb;
+	int mds = session->s_mds;
+	u64 split;
+	int op;
+	int trace_len;
+	struct ceph_snap_realm *realm = NULL;
+	void *p = msg->front.iov_base;
+	void *e = p + msg->front.iov_len;
+	struct ceph_mds_snap_head *h;
+	int num_split_inos, num_split_realms;
+	__le64 *split_inos = NULL, *split_realms = NULL;
+	int i;
+	int locked_rwsem = 0;
+
+	/* decode */
+	if (msg->front.iov_len < sizeof(*h))
+		goto bad;
+	h = p;
+	op = le32_to_cpu(h->op);
+	split = le64_to_cpu(h->split);   /* non-zero if we are splitting an
+					  * existing realm */
+	num_split_inos = le32_to_cpu(h->num_split_inos);
+	num_split_realms = le32_to_cpu(h->num_split_realms);
+	trace_len = le32_to_cpu(h->trace_len);
+	p += sizeof(*h);
+
+	dout("handle_snap from mds%d op %s split %llx tracelen %d\n", mds,
+	     ceph_snap_op_name(op), split, trace_len);
+
+	mutex_lock(&session->s_mutex);
+	session->s_seq++;
+	mutex_unlock(&session->s_mutex);
+
+	down_write(&mdsc->snap_rwsem);
+	locked_rwsem = 1;
+
+	if (op == CEPH_SNAP_OP_SPLIT) {
+		struct ceph_mds_snap_realm *ri;
+
+		/*
+		 * A "split" breaks part of an existing realm off into
+		 * a new realm.  The MDS provides a list of inodes
+		 * (with caps) and child realms that belong to the new
+		 * child.
+		 */
+		split_inos = p;
+		p += sizeof(u64) * num_split_inos;
+		split_realms = p;
+		p += sizeof(u64) * num_split_realms;
+		ceph_decode_need(&p, e, sizeof(*ri), bad);
+		/* we will peek at realm info here, but will _not_
+		 * advance p, as the realm update will occur below in
+		 * ceph_update_snap_trace. */
+		ri = p;
+
+		realm = ceph_lookup_snap_realm(mdsc, split);
+		if (!realm) {
+			realm = ceph_create_snap_realm(mdsc, split);
+			if (IS_ERR(realm))
+				goto out;
+		}
+		ceph_get_snap_realm(mdsc, realm);
+
+		dout("splitting snap_realm %llx %p\n", realm->ino, realm);
+		for (i = 0; i < num_split_inos; i++) {
+			struct ceph_vino vino = {
+				.ino = le64_to_cpu(split_inos[i]),
+				.snap = CEPH_NOSNAP,
+			};
+			struct inode *inode = ceph_find_inode(sb, vino);
+			struct ceph_inode_info *ci;
+
+			if (!inode)
+				continue;
+			ci = ceph_inode(inode);
+
+			spin_lock(&inode->i_lock);
+			if (!ci->i_snap_realm)
+				goto skip_inode;
+			/*
+			 * If this inode belongs to a realm that was
+			 * created after our new realm, we experienced
+			 * a race (due to another split notifications
+			 * arriving from a different MDS).  So skip
+			 * this inode.
+			 */
+			if (ci->i_snap_realm->created >
+			    le64_to_cpu(ri->created)) {
+				dout(" leaving %p in newer realm %llx %p\n",
+				     inode, ci->i_snap_realm->ino,
+				     ci->i_snap_realm);
+				goto skip_inode;
+			}
+			dout(" will move %p to split realm %llx %p\n",
+			     inode, realm->ino, realm);
+			/*
+			 * Remove the inode from the realm's inode
+			 * list, but don't add it to the new realm
+			 * yet.  We don't want the cap_snap to be
+			 * queued (again) by ceph_update_snap_trace()
+			 * below.  Queue it _now_, under the old context.
+			 */
+			spin_lock(&realm->inodes_with_caps_lock);
+			list_del_init(&ci->i_snap_realm_item);
+			spin_unlock(&realm->inodes_with_caps_lock);
+			spin_unlock(&inode->i_lock);
+
+			ceph_queue_cap_snap(ci,
+					    ci->i_snap_realm->cached_context);
+
+			iput(inode);
+			continue;
+
+skip_inode:
+			spin_unlock(&inode->i_lock);
+			iput(inode);
+		}
+
+		/* we may have taken some of the old realm's children. */
+		for (i = 0; i < num_split_realms; i++) {
+			struct ceph_snap_realm *child =
+				ceph_lookup_snap_realm(mdsc,
+					   le64_to_cpu(split_realms[i]));
+			if (!child)
+				continue;
+			adjust_snap_realm_parent(mdsc, child, realm->ino);
+		}
+	}
+
+	/*
+	 * update using the provided snap trace. if we are deleting a
+	 * snap, we can avoid queueing cap_snaps.
+	 */
+	ceph_update_snap_trace(mdsc, p, e,
+			       op == CEPH_SNAP_OP_DESTROY);
+
+	if (op == CEPH_SNAP_OP_SPLIT) {
+		/*
+		 * ok, _now_ add the inodes into the new realm.
+		 */
+		for (i = 0; i < num_split_inos; i++) {
+			struct ceph_vino vino = {
+				.ino = le64_to_cpu(split_inos[i]),
+				.snap = CEPH_NOSNAP,
+			};
+			struct inode *inode = ceph_find_inode(sb, vino);
+			struct ceph_inode_info *ci;
+
+			if (!inode)
+				continue;
+			ci = ceph_inode(inode);
+			spin_lock(&inode->i_lock);
+			if (!ci->i_snap_realm)
+				goto split_skip_inode;
+			ceph_put_snap_realm(mdsc, ci->i_snap_realm);
+			spin_lock(&realm->inodes_with_caps_lock);
+			list_add(&ci->i_snap_realm_item,
+				 &realm->inodes_with_caps);
+			ci->i_snap_realm = realm;
+			spin_unlock(&realm->inodes_with_caps_lock);
+			ceph_get_snap_realm(mdsc, realm);
+split_skip_inode:
+			spin_unlock(&inode->i_lock);
+			iput(inode);
+		}
+
+		/* we took a reference when we created the realm, above */
+		ceph_put_snap_realm(mdsc, realm);
+	}
+
+	__cleanup_empty_realms(mdsc);
+
+	up_write(&mdsc->snap_rwsem);
+
+	flush_snaps(mdsc);
+	return;
+
+bad:
+	pr_err("corrupt snap message from mds%d\n", mds);
+	ceph_msg_dump(msg);
+out:
+	if (locked_rwsem)
+		up_write(&mdsc->snap_rwsem);
+	return;
+}
+
+
+
diff --git a/fs/ceph/super.c b/fs/ceph/super.c
new file mode 100644
index 000000000000..4290a6e860b0
--- /dev/null
+++ b/fs/ceph/super.c
@@ -0,0 +1,1030 @@
+
+#include "ceph_debug.h"
+
+#include <linux/backing-dev.h>
+#include <linux/fs.h>
+#include <linux/inet.h>
+#include <linux/in6.h>
+#include <linux/module.h>
+#include <linux/mount.h>
+#include <linux/parser.h>
+#include <linux/rwsem.h>
+#include <linux/sched.h>
+#include <linux/seq_file.h>
+#include <linux/statfs.h>
+#include <linux/string.h>
+#include <linux/version.h>
+#include <linux/vmalloc.h>
+
+#include "decode.h"
+#include "super.h"
+#include "mon_client.h"
+#include "auth.h"
+
+/*
+ * Ceph superblock operations
+ *
+ * Handle the basics of mounting, unmounting.
+ */
+
+
+/*
+ * find filename portion of a path (/foo/bar/baz -> baz)
+ */
+const char *ceph_file_part(const char *s, int len)
+{
+	const char *e = s + len;
+
+	while (e != s && *(e-1) != '/')
+		e--;
+	return e;
+}
+
+
+/*
+ * super ops
+ */
+static void ceph_put_super(struct super_block *s)
+{
+	struct ceph_client *cl = ceph_client(s);
+
+	dout("put_super\n");
+	ceph_mdsc_close_sessions(&cl->mdsc);
+	return;
+}
+
+static int ceph_statfs(struct dentry *dentry, struct kstatfs *buf)
+{
+	struct ceph_client *client = ceph_inode_to_client(dentry->d_inode);
+	struct ceph_monmap *monmap = client->monc.monmap;
+	struct ceph_statfs st;
+	u64 fsid;
+	int err;
+
+	dout("statfs\n");
+	err = ceph_monc_do_statfs(&client->monc, &st);
+	if (err < 0)
+		return err;
+
+	/* fill in kstatfs */
+	buf->f_type = CEPH_SUPER_MAGIC;  /* ?? */
+
+	/*
+	 * express utilization in terms of large blocks to avoid
+	 * overflow on 32-bit machines.
+	 */
+	buf->f_bsize = 1 << CEPH_BLOCK_SHIFT;
+	buf->f_blocks = le64_to_cpu(st.kb) >> (CEPH_BLOCK_SHIFT-10);
+	buf->f_bfree = (le64_to_cpu(st.kb) - le64_to_cpu(st.kb_used)) >>
+		(CEPH_BLOCK_SHIFT-10);
+	buf->f_bavail = le64_to_cpu(st.kb_avail) >> (CEPH_BLOCK_SHIFT-10);
+
+	buf->f_files = le64_to_cpu(st.num_objects);
+	buf->f_ffree = -1;
+	buf->f_namelen = PATH_MAX;
+	buf->f_frsize = PAGE_CACHE_SIZE;
+
+	/* leave fsid little-endian, regardless of host endianness */
+	fsid = *(u64 *)(&monmap->fsid) ^ *((u64 *)&monmap->fsid + 1);
+	buf->f_fsid.val[0] = fsid & 0xffffffff;
+	buf->f_fsid.val[1] = fsid >> 32;
+
+	return 0;
+}
+
+
+static int ceph_syncfs(struct super_block *sb, int wait)
+{
+	dout("sync_fs %d\n", wait);
+	ceph_osdc_sync(&ceph_client(sb)->osdc);
+	ceph_mdsc_sync(&ceph_client(sb)->mdsc);
+	dout("sync_fs %d done\n", wait);
+	return 0;
+}
+
+
+/**
+ * ceph_show_options - Show mount options in /proc/mounts
+ * @m: seq_file to write to
+ * @mnt: mount descriptor
+ */
+static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt)
+{
+	struct ceph_client *client = ceph_sb_to_client(mnt->mnt_sb);
+	struct ceph_mount_args *args = client->mount_args;
+
+	if (args->flags & CEPH_OPT_FSID)
+		seq_printf(m, ",fsidmajor=%llu,fsidminor%llu",
+			   le64_to_cpu(*(__le64 *)&args->fsid.fsid[0]),
+			   le64_to_cpu(*(__le64 *)&args->fsid.fsid[8]));
+	if (args->flags & CEPH_OPT_NOSHARE)
+		seq_puts(m, ",noshare");
+	if (args->flags & CEPH_OPT_DIRSTAT)
+		seq_puts(m, ",dirstat");
+	if ((args->flags & CEPH_OPT_RBYTES) == 0)
+		seq_puts(m, ",norbytes");
+	if (args->flags & CEPH_OPT_NOCRC)
+		seq_puts(m, ",nocrc");
+	if (args->flags & CEPH_OPT_NOASYNCREADDIR)
+		seq_puts(m, ",noasyncreaddir");
+	if (strcmp(args->snapdir_name, CEPH_SNAPDIRNAME_DEFAULT))
+		seq_printf(m, ",snapdirname=%s", args->snapdir_name);
+	if (args->name)
+		seq_printf(m, ",name=%s", args->name);
+	if (args->secret)
+		seq_puts(m, ",secret=<hidden>");
+	return 0;
+}
+
+/*
+ * caches
+ */
+struct kmem_cache *ceph_inode_cachep;
+struct kmem_cache *ceph_cap_cachep;
+struct kmem_cache *ceph_dentry_cachep;
+struct kmem_cache *ceph_file_cachep;
+
+static void ceph_inode_init_once(void *foo)
+{
+	struct ceph_inode_info *ci = foo;
+	inode_init_once(&ci->vfs_inode);
+}
+
+static int default_congestion_kb(void)
+{
+	int congestion_kb;
+
+	/*
+	 * Copied from NFS
+	 *
+	 * congestion size, scale with available memory.
+	 *
+	 *  64MB:    8192k
+	 * 128MB:   11585k
+	 * 256MB:   16384k
+	 * 512MB:   23170k
+	 *   1GB:   32768k
+	 *   2GB:   46340k
+	 *   4GB:   65536k
+	 *   8GB:   92681k
+	 *  16GB:  131072k
+	 *
+	 * This allows larger machines to have larger/more transfers.
+	 * Limit the default to 256M
+	 */
+	congestion_kb = (16*int_sqrt(totalram_pages)) << (PAGE_SHIFT-10);
+	if (congestion_kb > 256*1024)
+		congestion_kb = 256*1024;
+
+	return congestion_kb;
+}
+
+static int __init init_caches(void)
+{
+	ceph_inode_cachep = kmem_cache_create("ceph_inode_info",
+				      sizeof(struct ceph_inode_info),
+				      __alignof__(struct ceph_inode_info),
+				      (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD),
+				      ceph_inode_init_once);
+	if (ceph_inode_cachep == NULL)
+		return -ENOMEM;
+
+	ceph_cap_cachep = KMEM_CACHE(ceph_cap,
+				     SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD);
+	if (ceph_cap_cachep == NULL)
+		goto bad_cap;
+
+	ceph_dentry_cachep = KMEM_CACHE(ceph_dentry_info,
+					SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD);
+	if (ceph_dentry_cachep == NULL)
+		goto bad_dentry;
+
+	ceph_file_cachep = KMEM_CACHE(ceph_file_info,
+				      SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD);
+	if (ceph_file_cachep == NULL)
+		goto bad_file;
+
+	return 0;
+
+bad_file:
+	kmem_cache_destroy(ceph_dentry_cachep);
+bad_dentry:
+	kmem_cache_destroy(ceph_cap_cachep);
+bad_cap:
+	kmem_cache_destroy(ceph_inode_cachep);
+	return -ENOMEM;
+}
+
+static void destroy_caches(void)
+{
+	kmem_cache_destroy(ceph_inode_cachep);
+	kmem_cache_destroy(ceph_cap_cachep);
+	kmem_cache_destroy(ceph_dentry_cachep);
+	kmem_cache_destroy(ceph_file_cachep);
+}
+
+
+/*
+ * ceph_umount_begin - initiate forced umount.  Tear down down the
+ * mount, skipping steps that may hang while waiting for server(s).
+ */
+static void ceph_umount_begin(struct super_block *sb)
+{
+	struct ceph_client *client = ceph_sb_to_client(sb);
+
+	dout("ceph_umount_begin - starting forced umount\n");
+	if (!client)
+		return;
+	client->mount_state = CEPH_MOUNT_SHUTDOWN;
+	return;
+}
+
+static const struct super_operations ceph_super_ops = {
+	.alloc_inode	= ceph_alloc_inode,
+	.destroy_inode	= ceph_destroy_inode,
+	.write_inode    = ceph_write_inode,
+	.sync_fs        = ceph_syncfs,
+	.put_super	= ceph_put_super,
+	.show_options   = ceph_show_options,
+	.statfs		= ceph_statfs,
+	.umount_begin   = ceph_umount_begin,
+};
+
+
+const char *ceph_msg_type_name(int type)
+{
+	switch (type) {
+	case CEPH_MSG_SHUTDOWN: return "shutdown";
+	case CEPH_MSG_PING: return "ping";
+	case CEPH_MSG_AUTH: return "auth";
+	case CEPH_MSG_AUTH_REPLY: return "auth_reply";
+	case CEPH_MSG_MON_MAP: return "mon_map";
+	case CEPH_MSG_MON_GET_MAP: return "mon_get_map";
+	case CEPH_MSG_MON_SUBSCRIBE: return "mon_subscribe";
+	case CEPH_MSG_MON_SUBSCRIBE_ACK: return "mon_subscribe_ack";
+	case CEPH_MSG_STATFS: return "statfs";
+	case CEPH_MSG_STATFS_REPLY: return "statfs_reply";
+	case CEPH_MSG_MDS_MAP: return "mds_map";
+	case CEPH_MSG_CLIENT_SESSION: return "client_session";
+	case CEPH_MSG_CLIENT_RECONNECT: return "client_reconnect";
+	case CEPH_MSG_CLIENT_REQUEST: return "client_request";
+	case CEPH_MSG_CLIENT_REQUEST_FORWARD: return "client_request_forward";
+	case CEPH_MSG_CLIENT_REPLY: return "client_reply";
+	case CEPH_MSG_CLIENT_CAPS: return "client_caps";
+	case CEPH_MSG_CLIENT_CAPRELEASE: return "client_cap_release";
+	case CEPH_MSG_CLIENT_SNAP: return "client_snap";
+	case CEPH_MSG_CLIENT_LEASE: return "client_lease";
+	case CEPH_MSG_OSD_MAP: return "osd_map";
+	case CEPH_MSG_OSD_OP: return "osd_op";
+	case CEPH_MSG_OSD_OPREPLY: return "osd_opreply";
+	default: return "unknown";
+	}
+}
+
+
+/*
+ * mount options
+ */
+enum {
+	Opt_fsidmajor,
+	Opt_fsidminor,
+	Opt_monport,
+	Opt_wsize,
+	Opt_rsize,
+	Opt_osdtimeout,
+	Opt_osdkeepalivetimeout,
+	Opt_mount_timeout,
+	Opt_osd_idle_ttl,
+	Opt_caps_wanted_delay_min,
+	Opt_caps_wanted_delay_max,
+	Opt_readdir_max_entries,
+	Opt_congestion_kb,
+	Opt_last_int,
+	/* int args above */
+	Opt_snapdirname,
+	Opt_name,
+	Opt_secret,
+	Opt_last_string,
+	/* string args above */
+	Opt_ip,
+	Opt_noshare,
+	Opt_dirstat,
+	Opt_nodirstat,
+	Opt_rbytes,
+	Opt_norbytes,
+	Opt_nocrc,
+	Opt_noasyncreaddir,
+};
+
+static match_table_t arg_tokens = {
+	{Opt_fsidmajor, "fsidmajor=%ld"},
+	{Opt_fsidminor, "fsidminor=%ld"},
+	{Opt_monport, "monport=%d"},
+	{Opt_wsize, "wsize=%d"},
+	{Opt_rsize, "rsize=%d"},
+	{Opt_osdtimeout, "osdtimeout=%d"},
+	{Opt_osdkeepalivetimeout, "osdkeepalive=%d"},
+	{Opt_mount_timeout, "mount_timeout=%d"},
+	{Opt_osd_idle_ttl, "osd_idle_ttl=%d"},
+	{Opt_caps_wanted_delay_min, "caps_wanted_delay_min=%d"},
+	{Opt_caps_wanted_delay_max, "caps_wanted_delay_max=%d"},
+	{Opt_readdir_max_entries, "readdir_max_entries=%d"},
+	{Opt_congestion_kb, "write_congestion_kb=%d"},
+	/* int args above */
+	{Opt_snapdirname, "snapdirname=%s"},
+	{Opt_name, "name=%s"},
+	{Opt_secret, "secret=%s"},
+	/* string args above */
+	{Opt_ip, "ip=%s"},
+	{Opt_noshare, "noshare"},
+	{Opt_dirstat, "dirstat"},
+	{Opt_nodirstat, "nodirstat"},
+	{Opt_rbytes, "rbytes"},
+	{Opt_norbytes, "norbytes"},
+	{Opt_nocrc, "nocrc"},
+	{Opt_noasyncreaddir, "noasyncreaddir"},
+	{-1, NULL}
+};
+
+
+static struct ceph_mount_args *parse_mount_args(int flags, char *options,
+						const char *dev_name,
+						const char **path)
+{
+	struct ceph_mount_args *args;
+	const char *c;
+	int err = -ENOMEM;
+	substring_t argstr[MAX_OPT_ARGS];
+
+	args = kzalloc(sizeof(*args), GFP_KERNEL);
+	if (!args)
+		return ERR_PTR(-ENOMEM);
+	args->mon_addr = kcalloc(CEPH_MAX_MON, sizeof(*args->mon_addr),
+				 GFP_KERNEL);
+	if (!args->mon_addr)
+		goto out;
+
+	dout("parse_mount_args %p, dev_name '%s'\n", args, dev_name);
+
+	/* start with defaults */
+	args->sb_flags = flags;
+	args->flags = CEPH_OPT_DEFAULT;
+	args->osd_timeout = CEPH_OSD_TIMEOUT_DEFAULT;
+	args->osd_keepalive_timeout = CEPH_OSD_KEEPALIVE_DEFAULT;
+	args->mount_timeout = CEPH_MOUNT_TIMEOUT_DEFAULT; /* seconds */
+	args->osd_idle_ttl = CEPH_OSD_IDLE_TTL_DEFAULT;   /* seconds */
+	args->caps_wanted_delay_min = CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT;
+	args->caps_wanted_delay_max = CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT;
+	args->rsize = CEPH_MOUNT_RSIZE_DEFAULT;
+	args->snapdir_name = kstrdup(CEPH_SNAPDIRNAME_DEFAULT, GFP_KERNEL);
+	args->cap_release_safety = CEPH_CAPS_PER_RELEASE * 4;
+	args->max_readdir = 1024;
+	args->congestion_kb = default_congestion_kb();
+
+	/* ip1[:port1][,ip2[:port2]...]:/subdir/in/fs */
+	err = -EINVAL;
+	if (!dev_name)
+		goto out;
+	*path = strstr(dev_name, ":/");
+	if (*path == NULL) {
+		pr_err("device name is missing path (no :/ in %s)\n",
+		       dev_name);
+		goto out;
+	}
+
+	/* get mon ip(s) */
+	err = ceph_parse_ips(dev_name, *path, args->mon_addr,
+			     CEPH_MAX_MON, &args->num_mon);
+	if (err < 0)
+		goto out;
+
+	/* path on server */
+	*path += 2;
+	dout("server path '%s'\n", *path);
+
+	/* parse mount options */
+	while ((c = strsep(&options, ",")) != NULL) {
+		int token, intval, ret;
+		if (!*c)
+			continue;
+		err = -EINVAL;
+		token = match_token((char *)c, arg_tokens, argstr);
+		if (token < 0) {
+			pr_err("bad mount option at '%s'\n", c);
+			goto out;
+		}
+		if (token < Opt_last_int) {
+			ret = match_int(&argstr[0], &intval);
+			if (ret < 0) {
+				pr_err("bad mount option arg (not int) "
+				       "at '%s'\n", c);
+				continue;
+			}
+			dout("got int token %d val %d\n", token, intval);
+		} else if (token > Opt_last_int && token < Opt_last_string) {
+			dout("got string token %d val %s\n", token,
+			     argstr[0].from);
+		} else {
+			dout("got token %d\n", token);
+		}
+		switch (token) {
+		case Opt_fsidmajor:
+			*(__le64 *)&args->fsid.fsid[0] = cpu_to_le64(intval);
+			break;
+		case Opt_fsidminor:
+			*(__le64 *)&args->fsid.fsid[8] = cpu_to_le64(intval);
+			break;
+		case Opt_ip:
+			err = ceph_parse_ips(argstr[0].from,
+					     argstr[0].to,
+					     &args->my_addr,
+					     1, NULL);
+			if (err < 0)
+				goto out;
+			args->flags |= CEPH_OPT_MYIP;
+			break;
+
+		case Opt_snapdirname:
+			kfree(args->snapdir_name);
+			args->snapdir_name = kstrndup(argstr[0].from,
+					      argstr[0].to-argstr[0].from,
+					      GFP_KERNEL);
+			break;
+		case Opt_name:
+			args->name = kstrndup(argstr[0].from,
+					      argstr[0].to-argstr[0].from,
+					      GFP_KERNEL);
+			break;
+		case Opt_secret:
+			args->secret = kstrndup(argstr[0].from,
+						argstr[0].to-argstr[0].from,
+						GFP_KERNEL);
+			break;
+
+			/* misc */
+		case Opt_wsize:
+			args->wsize = intval;
+			break;
+		case Opt_rsize:
+			args->rsize = intval;
+			break;
+		case Opt_osdtimeout:
+			args->osd_timeout = intval;
+			break;
+		case Opt_osdkeepalivetimeout:
+			args->osd_keepalive_timeout = intval;
+			break;
+		case Opt_mount_timeout:
+			args->mount_timeout = intval;
+			break;
+		case Opt_caps_wanted_delay_min:
+			args->caps_wanted_delay_min = intval;
+			break;
+		case Opt_caps_wanted_delay_max:
+			args->caps_wanted_delay_max = intval;
+			break;
+		case Opt_readdir_max_entries:
+			args->max_readdir = intval;
+			break;
+		case Opt_congestion_kb:
+			args->congestion_kb = intval;
+			break;
+
+		case Opt_noshare:
+			args->flags |= CEPH_OPT_NOSHARE;
+			break;
+
+		case Opt_dirstat:
+			args->flags |= CEPH_OPT_DIRSTAT;
+			break;
+		case Opt_nodirstat:
+			args->flags &= ~CEPH_OPT_DIRSTAT;
+			break;
+		case Opt_rbytes:
+			args->flags |= CEPH_OPT_RBYTES;
+			break;
+		case Opt_norbytes:
+			args->flags &= ~CEPH_OPT_RBYTES;
+			break;
+		case Opt_nocrc:
+			args->flags |= CEPH_OPT_NOCRC;
+			break;
+		case Opt_noasyncreaddir:
+			args->flags |= CEPH_OPT_NOASYNCREADDIR;
+			break;
+
+		default:
+			BUG_ON(token);
+		}
+	}
+	return args;
+
+out:
+	kfree(args->mon_addr);
+	kfree(args);
+	return ERR_PTR(err);
+}
+
+static void destroy_mount_args(struct ceph_mount_args *args)
+{
+	dout("destroy_mount_args %p\n", args);
+	kfree(args->snapdir_name);
+	args->snapdir_name = NULL;
+	kfree(args->name);
+	args->name = NULL;
+	kfree(args->secret);
+	args->secret = NULL;
+	kfree(args);
+}
+
+/*
+ * create a fresh client instance
+ */
+static struct ceph_client *ceph_create_client(struct ceph_mount_args *args)
+{
+	struct ceph_client *client;
+	int err = -ENOMEM;
+
+	client = kzalloc(sizeof(*client), GFP_KERNEL);
+	if (client == NULL)
+		return ERR_PTR(-ENOMEM);
+
+	mutex_init(&client->mount_mutex);
+
+	init_waitqueue_head(&client->auth_wq);
+
+	client->sb = NULL;
+	client->mount_state = CEPH_MOUNT_MOUNTING;
+	client->mount_args = args;
+
+	client->msgr = NULL;
+
+	client->auth_err = 0;
+	atomic_long_set(&client->writeback_count, 0);
+
+	err = bdi_init(&client->backing_dev_info);
+	if (err < 0)
+		goto fail;
+
+	err = -ENOMEM;
+	client->wb_wq = create_workqueue("ceph-writeback");
+	if (client->wb_wq == NULL)
+		goto fail_bdi;
+	client->pg_inv_wq = create_singlethread_workqueue("ceph-pg-invalid");
+	if (client->pg_inv_wq == NULL)
+		goto fail_wb_wq;
+	client->trunc_wq = create_singlethread_workqueue("ceph-trunc");
+	if (client->trunc_wq == NULL)
+		goto fail_pg_inv_wq;
+
+	/* set up mempools */
+	err = -ENOMEM;
+	client->wb_pagevec_pool = mempool_create_kmalloc_pool(10,
+			      client->mount_args->wsize >> PAGE_CACHE_SHIFT);
+	if (!client->wb_pagevec_pool)
+		goto fail_trunc_wq;
+
+	/* caps */
+	client->min_caps = args->max_readdir;
+	ceph_adjust_min_caps(client->min_caps);
+
+	/* subsystems */
+	err = ceph_monc_init(&client->monc, client);
+	if (err < 0)
+		goto fail_mempool;
+	err = ceph_osdc_init(&client->osdc, client);
+	if (err < 0)
+		goto fail_monc;
+	err = ceph_mdsc_init(&client->mdsc, client);
+	if (err < 0)
+		goto fail_osdc;
+	return client;
+
+fail_osdc:
+	ceph_osdc_stop(&client->osdc);
+fail_monc:
+	ceph_monc_stop(&client->monc);
+fail_mempool:
+	mempool_destroy(client->wb_pagevec_pool);
+fail_trunc_wq:
+	destroy_workqueue(client->trunc_wq);
+fail_pg_inv_wq:
+	destroy_workqueue(client->pg_inv_wq);
+fail_wb_wq:
+	destroy_workqueue(client->wb_wq);
+fail_bdi:
+	bdi_destroy(&client->backing_dev_info);
+fail:
+	kfree(client);
+	return ERR_PTR(err);
+}
+
+static void ceph_destroy_client(struct ceph_client *client)
+{
+	dout("destroy_client %p\n", client);
+
+	/* unmount */
+	ceph_mdsc_stop(&client->mdsc);
+	ceph_monc_stop(&client->monc);
+	ceph_osdc_stop(&client->osdc);
+
+	ceph_adjust_min_caps(-client->min_caps);
+
+	ceph_debugfs_client_cleanup(client);
+	destroy_workqueue(client->wb_wq);
+	destroy_workqueue(client->pg_inv_wq);
+	destroy_workqueue(client->trunc_wq);
+
+	if (client->msgr)
+		ceph_messenger_destroy(client->msgr);
+	mempool_destroy(client->wb_pagevec_pool);
+
+	destroy_mount_args(client->mount_args);
+
+	kfree(client);
+	dout("destroy_client %p done\n", client);
+}
+
+/*
+ * Initially learn our fsid, or verify an fsid matches.
+ */
+int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid)
+{
+	if (client->have_fsid) {
+		if (ceph_fsid_compare(&client->fsid, fsid)) {
+			pr_err("bad fsid, had " FSID_FORMAT " got " FSID_FORMAT,
+			       PR_FSID(&client->fsid), PR_FSID(fsid));
+			return -1;
+		}
+	} else {
+		pr_info("client%lld fsid " FSID_FORMAT "\n",
+			client->monc.auth->global_id, PR_FSID(fsid));
+		memcpy(&client->fsid, fsid, sizeof(*fsid));
+		ceph_debugfs_client_init(client);
+		client->have_fsid = true;
+	}
+	return 0;
+}
+
+/*
+ * true if we have the mon map (and have thus joined the cluster)
+ */
+static int have_mon_map(struct ceph_client *client)
+{
+	return client->monc.monmap && client->monc.monmap->epoch;
+}
+
+/*
+ * Bootstrap mount by opening the root directory.  Note the mount
+ * @started time from caller, and time out if this takes too long.
+ */
+static struct dentry *open_root_dentry(struct ceph_client *client,
+				       const char *path,
+				       unsigned long started)
+{
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct ceph_mds_request *req = NULL;
+	int err;
+	struct dentry *root;
+
+	/* open dir */
+	dout("open_root_inode opening '%s'\n", path);
+	req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_GETATTR, USE_ANY_MDS);
+	if (IS_ERR(req))
+		return ERR_PTR(PTR_ERR(req));
+	req->r_path1 = kstrdup(path, GFP_NOFS);
+	req->r_ino1.ino = CEPH_INO_ROOT;
+	req->r_ino1.snap = CEPH_NOSNAP;
+	req->r_started = started;
+	req->r_timeout = client->mount_args->mount_timeout * HZ;
+	req->r_args.getattr.mask = cpu_to_le32(CEPH_STAT_CAP_INODE);
+	req->r_num_caps = 2;
+	err = ceph_mdsc_do_request(mdsc, NULL, req);
+	if (err == 0) {
+		dout("open_root_inode success\n");
+		if (ceph_ino(req->r_target_inode) == CEPH_INO_ROOT &&
+		    client->sb->s_root == NULL)
+			root = d_alloc_root(req->r_target_inode);
+		else
+			root = d_obtain_alias(req->r_target_inode);
+		req->r_target_inode = NULL;
+		dout("open_root_inode success, root dentry is %p\n", root);
+	} else {
+		root = ERR_PTR(err);
+	}
+	ceph_mdsc_put_request(req);
+	return root;
+}
+
+/*
+ * mount: join the ceph cluster, and open root directory.
+ */
+static int ceph_mount(struct ceph_client *client, struct vfsmount *mnt,
+		      const char *path)
+{
+	struct ceph_entity_addr *myaddr = NULL;
+	int err;
+	unsigned long timeout = client->mount_args->mount_timeout * HZ;
+	unsigned long started = jiffies;  /* note the start time */
+	struct dentry *root;
+
+	dout("mount start\n");
+	mutex_lock(&client->mount_mutex);
+
+	/* initialize the messenger */
+	if (client->msgr == NULL) {
+		if (ceph_test_opt(client, MYIP))
+			myaddr = &client->mount_args->my_addr;
+		client->msgr = ceph_messenger_create(myaddr);
+		if (IS_ERR(client->msgr)) {
+			err = PTR_ERR(client->msgr);
+			client->msgr = NULL;
+			goto out;
+		}
+		client->msgr->nocrc = ceph_test_opt(client, NOCRC);
+	}
+
+	/* open session, and wait for mon, mds, and osd maps */
+	err = ceph_monc_open_session(&client->monc);
+	if (err < 0)
+		goto out;
+
+	while (!have_mon_map(client)) {
+		err = -EIO;
+		if (timeout && time_after_eq(jiffies, started + timeout))
+			goto out;
+
+		/* wait */
+		dout("mount waiting for mon_map\n");
+		err = wait_event_interruptible_timeout(client->auth_wq,
+			       have_mon_map(client) || (client->auth_err < 0),
+			       timeout);
+		if (err == -EINTR || err == -ERESTARTSYS)
+			goto out;
+		if (client->auth_err < 0) {
+			err = client->auth_err;
+			goto out;
+		}
+	}
+
+	dout("mount opening root\n");
+	root = open_root_dentry(client, "", started);
+	if (IS_ERR(root)) {
+		err = PTR_ERR(root);
+		goto out;
+	}
+	if (client->sb->s_root)
+		dput(root);
+	else
+		client->sb->s_root = root;
+
+	if (path[0] == 0) {
+		dget(root);
+	} else {
+		dout("mount opening base mountpoint\n");
+		root = open_root_dentry(client, path, started);
+		if (IS_ERR(root)) {
+			err = PTR_ERR(root);
+			dput(client->sb->s_root);
+			client->sb->s_root = NULL;
+			goto out;
+		}
+	}
+
+	mnt->mnt_root = root;
+	mnt->mnt_sb = client->sb;
+
+	client->mount_state = CEPH_MOUNT_MOUNTED;
+	dout("mount success\n");
+	err = 0;
+
+out:
+	mutex_unlock(&client->mount_mutex);
+	return err;
+}
+
+static int ceph_set_super(struct super_block *s, void *data)
+{
+	struct ceph_client *client = data;
+	int ret;
+
+	dout("set_super %p data %p\n", s, data);
+
+	s->s_flags = client->mount_args->sb_flags;
+	s->s_maxbytes = 1ULL << 40;  /* temp value until we get mdsmap */
+
+	s->s_fs_info = client;
+	client->sb = s;
+
+	s->s_op = &ceph_super_ops;
+	s->s_export_op = &ceph_export_ops;
+
+	s->s_time_gran = 1000;  /* 1000 ns == 1 us */
+
+	ret = set_anon_super(s, NULL);  /* what is that second arg for? */
+	if (ret != 0)
+		goto fail;
+
+	return ret;
+
+fail:
+	s->s_fs_info = NULL;
+	client->sb = NULL;
+	return ret;
+}
+
+/*
+ * share superblock if same fs AND options
+ */
+static int ceph_compare_super(struct super_block *sb, void *data)
+{
+	struct ceph_client *new = data;
+	struct ceph_mount_args *args = new->mount_args;
+	struct ceph_client *other = ceph_sb_to_client(sb);
+	int i;
+
+	dout("ceph_compare_super %p\n", sb);
+	if (args->flags & CEPH_OPT_FSID) {
+		if (ceph_fsid_compare(&args->fsid, &other->fsid)) {
+			dout("fsid doesn't match\n");
+			return 0;
+		}
+	} else {
+		/* do we share (a) monitor? */
+		for (i = 0; i < new->monc.monmap->num_mon; i++)
+			if (ceph_monmap_contains(other->monc.monmap,
+					 &new->monc.monmap->mon_inst[i].addr))
+				break;
+		if (i == new->monc.monmap->num_mon) {
+			dout("mon ip not part of monmap\n");
+			return 0;
+		}
+		dout("mon ip matches existing sb %p\n", sb);
+	}
+	if (args->sb_flags != other->mount_args->sb_flags) {
+		dout("flags differ\n");
+		return 0;
+	}
+	return 1;
+}
+
+/*
+ * construct our own bdi so we can control readahead, etc.
+ */
+static int ceph_register_bdi(struct super_block *sb, struct ceph_client *client)
+{
+	int err;
+
+	sb->s_bdi = &client->backing_dev_info;
+
+	/* set ra_pages based on rsize mount option? */
+	if (client->mount_args->rsize >= PAGE_CACHE_SIZE)
+		client->backing_dev_info.ra_pages =
+			(client->mount_args->rsize + PAGE_CACHE_SIZE - 1)
+			>> PAGE_SHIFT;
+	err = bdi_register_dev(&client->backing_dev_info, sb->s_dev);
+	return err;
+}
+
+static int ceph_get_sb(struct file_system_type *fs_type,
+		       int flags, const char *dev_name, void *data,
+		       struct vfsmount *mnt)
+{
+	struct super_block *sb;
+	struct ceph_client *client;
+	int err;
+	int (*compare_super)(struct super_block *, void *) = ceph_compare_super;
+	const char *path = NULL;
+	struct ceph_mount_args *args;
+
+	dout("ceph_get_sb\n");
+	args = parse_mount_args(flags, data, dev_name, &path);
+	if (IS_ERR(args)) {
+		err = PTR_ERR(args);
+		goto out_final;
+	}
+
+	/* create client (which we may/may not use) */
+	client = ceph_create_client(args);
+	if (IS_ERR(client)) {
+		err = PTR_ERR(client);
+		goto out_final;
+	}
+
+	if (client->mount_args->flags & CEPH_OPT_NOSHARE)
+		compare_super = NULL;
+	sb = sget(fs_type, compare_super, ceph_set_super, client);
+	if (IS_ERR(sb)) {
+		err = PTR_ERR(sb);
+		goto out;
+	}
+
+	if (ceph_client(sb) != client) {
+		ceph_destroy_client(client);
+		client = ceph_client(sb);
+		dout("get_sb got existing client %p\n", client);
+	} else {
+		dout("get_sb using new client %p\n", client);
+		err = ceph_register_bdi(sb, client);
+		if (err < 0)
+			goto out_splat;
+	}
+
+	err = ceph_mount(client, mnt, path);
+	if (err < 0)
+		goto out_splat;
+	dout("root %p inode %p ino %llx.%llx\n", mnt->mnt_root,
+	     mnt->mnt_root->d_inode, ceph_vinop(mnt->mnt_root->d_inode));
+	return 0;
+
+out_splat:
+	ceph_mdsc_close_sessions(&client->mdsc);
+	up_write(&sb->s_umount);
+	deactivate_super(sb);
+	goto out_final;
+
+out:
+	ceph_destroy_client(client);
+out_final:
+	dout("ceph_get_sb fail %d\n", err);
+	return err;
+}
+
+static void ceph_kill_sb(struct super_block *s)
+{
+	struct ceph_client *client = ceph_sb_to_client(s);
+	dout("kill_sb %p\n", s);
+	ceph_mdsc_pre_umount(&client->mdsc);
+	kill_anon_super(s);    /* will call put_super after sb is r/o */
+	if (s->s_bdi == &client->backing_dev_info)
+		bdi_unregister(&client->backing_dev_info);
+	bdi_destroy(&client->backing_dev_info);
+	ceph_destroy_client(client);
+}
+
+static struct file_system_type ceph_fs_type = {
+	.owner		= THIS_MODULE,
+	.name		= "ceph",
+	.get_sb		= ceph_get_sb,
+	.kill_sb	= ceph_kill_sb,
+	.fs_flags	= FS_RENAME_DOES_D_MOVE,
+};
+
+#define _STRINGIFY(x) #x
+#define STRINGIFY(x) _STRINGIFY(x)
+
+static int __init init_ceph(void)
+{
+	int ret = 0;
+
+	ret = ceph_debugfs_init();
+	if (ret < 0)
+		goto out;
+
+	ret = ceph_msgr_init();
+	if (ret < 0)
+		goto out_debugfs;
+
+	ret = init_caches();
+	if (ret)
+		goto out_msgr;
+
+	ceph_caps_init();
+
+	ret = register_filesystem(&ceph_fs_type);
+	if (ret)
+		goto out_icache;
+
+	pr_info("loaded %d.%d.%d (mon/mds/osd proto %d/%d/%d)\n",
+		CEPH_VERSION_MAJOR, CEPH_VERSION_MINOR, CEPH_VERSION_PATCH,
+		CEPH_MONC_PROTOCOL, CEPH_MDSC_PROTOCOL, CEPH_OSDC_PROTOCOL);
+	return 0;
+
+out_icache:
+	destroy_caches();
+out_msgr:
+	ceph_msgr_exit();
+out_debugfs:
+	ceph_debugfs_cleanup();
+out:
+	return ret;
+}
+
+static void __exit exit_ceph(void)
+{
+	dout("exit_ceph\n");
+	unregister_filesystem(&ceph_fs_type);
+	ceph_caps_finalize();
+	destroy_caches();
+	ceph_msgr_exit();
+	ceph_debugfs_cleanup();
+}
+
+module_init(init_ceph);
+module_exit(exit_ceph);
+
+MODULE_AUTHOR("Sage Weil <sage@newdream.net>");
+MODULE_AUTHOR("Yehuda Sadeh <yehuda@hq.newdream.net>");
+MODULE_AUTHOR("Patience Warnick <patience@newdream.net>");
+MODULE_DESCRIPTION("Ceph filesystem for Linux");
+MODULE_LICENSE("GPL");
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
new file mode 100644
index 000000000000..65d12036b670
--- /dev/null
+++ b/fs/ceph/super.h
@@ -0,0 +1,901 @@
+#ifndef _FS_CEPH_SUPER_H
+#define _FS_CEPH_SUPER_H
+
+#include "ceph_debug.h"
+
+#include <asm/unaligned.h>
+#include <linux/backing-dev.h>
+#include <linux/completion.h>
+#include <linux/exportfs.h>
+#include <linux/fs.h>
+#include <linux/mempool.h>
+#include <linux/pagemap.h>
+#include <linux/wait.h>
+#include <linux/writeback.h>
+
+#include "types.h"
+#include "messenger.h"
+#include "msgpool.h"
+#include "mon_client.h"
+#include "mds_client.h"
+#include "osd_client.h"
+#include "ceph_fs.h"
+
+/* f_type in struct statfs */
+#define CEPH_SUPER_MAGIC 0x00c36400
+
+/* large granularity for statfs utilization stats to facilitate
+ * large volume sizes on 32-bit machines. */
+#define CEPH_BLOCK_SHIFT   20  /* 1 MB */
+#define CEPH_BLOCK         (1 << CEPH_BLOCK_SHIFT)
+
+/*
+ * mount options
+ */
+#define CEPH_OPT_FSID             (1<<0)
+#define CEPH_OPT_NOSHARE          (1<<1) /* don't share client with other sbs */
+#define CEPH_OPT_MYIP             (1<<2) /* specified my ip */
+#define CEPH_OPT_DIRSTAT          (1<<4) /* funky `cat dirname` for stats */
+#define CEPH_OPT_RBYTES           (1<<5) /* dir st_bytes = rbytes */
+#define CEPH_OPT_NOCRC            (1<<6) /* no data crc on writes */
+#define CEPH_OPT_NOASYNCREADDIR   (1<<7) /* no dcache readdir */
+
+#define CEPH_OPT_DEFAULT   (CEPH_OPT_RBYTES)
+
+#define ceph_set_opt(client, opt) \
+	(client)->mount_args->flags |= CEPH_OPT_##opt;
+#define ceph_test_opt(client, opt) \
+	(!!((client)->mount_args->flags & CEPH_OPT_##opt))
+
+
+struct ceph_mount_args {
+	int sb_flags;
+	int num_mon;
+	struct ceph_entity_addr *mon_addr;
+	int flags;
+	int mount_timeout;
+	int osd_idle_ttl;
+	int caps_wanted_delay_min, caps_wanted_delay_max;
+	struct ceph_fsid fsid;
+	struct ceph_entity_addr my_addr;
+	int wsize;
+	int rsize;            /* max readahead */
+	int max_readdir;      /* max readdir size */
+	int congestion_kb;      /* max readdir size */
+	int osd_timeout;
+	int osd_keepalive_timeout;
+	char *snapdir_name;   /* default ".snap" */
+	char *name;
+	char *secret;
+	int cap_release_safety;
+};
+
+/*
+ * defaults
+ */
+#define CEPH_MOUNT_TIMEOUT_DEFAULT  60
+#define CEPH_OSD_TIMEOUT_DEFAULT    60  /* seconds */
+#define CEPH_OSD_KEEPALIVE_DEFAULT  5
+#define CEPH_OSD_IDLE_TTL_DEFAULT    60
+#define CEPH_MOUNT_RSIZE_DEFAULT    (512*1024) /* readahead */
+
+#define CEPH_MSG_MAX_FRONT_LEN	(16*1024*1024)
+#define CEPH_MSG_MAX_DATA_LEN	(16*1024*1024)
+
+#define CEPH_SNAPDIRNAME_DEFAULT ".snap"
+#define CEPH_AUTH_NAME_DEFAULT   "guest"
+
+/*
+ * Delay telling the MDS we no longer want caps, in case we reopen
+ * the file.  Delay a minimum amount of time, even if we send a cap
+ * message for some other reason.  Otherwise, take the oppotunity to
+ * update the mds to avoid sending another message later.
+ */
+#define CEPH_CAPS_WANTED_DELAY_MIN_DEFAULT      5  /* cap release delay */
+#define CEPH_CAPS_WANTED_DELAY_MAX_DEFAULT     60  /* cap release delay */
+
+
+/* mount state */
+enum {
+	CEPH_MOUNT_MOUNTING,
+	CEPH_MOUNT_MOUNTED,
+	CEPH_MOUNT_UNMOUNTING,
+	CEPH_MOUNT_UNMOUNTED,
+	CEPH_MOUNT_SHUTDOWN,
+};
+
+/*
+ * subtract jiffies
+ */
+static inline unsigned long time_sub(unsigned long a, unsigned long b)
+{
+	BUG_ON(time_after(b, a));
+	return (long)a - (long)b;
+}
+
+/*
+ * per-filesystem client state
+ *
+ * possibly shared by multiple mount points, if they are
+ * mounting the same ceph filesystem/cluster.
+ */
+struct ceph_client {
+	struct ceph_fsid fsid;
+	bool have_fsid;
+
+	struct mutex mount_mutex;       /* serialize mount attempts */
+	struct ceph_mount_args *mount_args;
+
+	struct super_block *sb;
+
+	unsigned long mount_state;
+	wait_queue_head_t auth_wq;
+
+	int auth_err;
+
+	int min_caps;                  /* min caps i added */
+
+	struct ceph_messenger *msgr;   /* messenger instance */
+	struct ceph_mon_client monc;
+	struct ceph_mds_client mdsc;
+	struct ceph_osd_client osdc;
+
+	/* writeback */
+	mempool_t *wb_pagevec_pool;
+	struct workqueue_struct *wb_wq;
+	struct workqueue_struct *pg_inv_wq;
+	struct workqueue_struct *trunc_wq;
+	atomic_long_t writeback_count;
+
+	struct backing_dev_info backing_dev_info;
+
+#ifdef CONFIG_DEBUG_FS
+	struct dentry *debugfs_monmap;
+	struct dentry *debugfs_mdsmap, *debugfs_osdmap;
+	struct dentry *debugfs_dir, *debugfs_dentry_lru, *debugfs_caps;
+	struct dentry *debugfs_congestion_kb;
+	struct dentry *debugfs_bdi;
+#endif
+};
+
+static inline struct ceph_client *ceph_client(struct super_block *sb)
+{
+	return sb->s_fs_info;
+}
+
+
+/*
+ * File i/o capability.  This tracks shared state with the metadata
+ * server that allows us to cache or writeback attributes or to read
+ * and write data.  For any given inode, we should have one or more
+ * capabilities, one issued by each metadata server, and our
+ * cumulative access is the OR of all issued capabilities.
+ *
+ * Each cap is referenced by the inode's i_caps rbtree and by per-mds
+ * session capability lists.
+ */
+struct ceph_cap {
+	struct ceph_inode_info *ci;
+	struct rb_node ci_node;          /* per-ci cap tree */
+	struct ceph_mds_session *session;
+	struct list_head session_caps;   /* per-session caplist */
+	int mds;
+	u64 cap_id;       /* unique cap id (mds provided) */
+	int issued;       /* latest, from the mds */
+	int implemented;  /* implemented superset of issued (for revocation) */
+	int mds_wanted;
+	u32 seq, issue_seq, mseq;
+	u32 cap_gen;      /* active/stale cycle */
+	unsigned long last_used;
+	struct list_head caps_item;
+};
+
+#define CHECK_CAPS_NODELAY    1  /* do not delay any further */
+#define CHECK_CAPS_AUTHONLY   2  /* only check auth cap */
+#define CHECK_CAPS_FLUSH      4  /* flush any dirty caps */
+
+/*
+ * Snapped cap state that is pending flush to mds.  When a snapshot occurs,
+ * we first complete any in-process sync writes and writeback any dirty
+ * data before flushing the snapped state (tracked here) back to the MDS.
+ */
+struct ceph_cap_snap {
+	atomic_t nref;
+	struct ceph_inode_info *ci;
+	struct list_head ci_item, flushing_item;
+
+	u64 follows, flush_tid;
+	int issued, dirty;
+	struct ceph_snap_context *context;
+
+	mode_t mode;
+	uid_t uid;
+	gid_t gid;
+
+	void *xattr_blob;
+	int xattr_len;
+	u64 xattr_version;
+
+	u64 size;
+	struct timespec mtime, atime, ctime;
+	u64 time_warp_seq;
+	int writing;   /* a sync write is still in progress */
+	int dirty_pages;     /* dirty pages awaiting writeback */
+};
+
+static inline void ceph_put_cap_snap(struct ceph_cap_snap *capsnap)
+{
+	if (atomic_dec_and_test(&capsnap->nref))
+		kfree(capsnap);
+}
+
+/*
+ * The frag tree describes how a directory is fragmented, potentially across
+ * multiple metadata servers.  It is also used to indicate points where
+ * metadata authority is delegated, and whether/where metadata is replicated.
+ *
+ * A _leaf_ frag will be present in the i_fragtree IFF there is
+ * delegation info.  That is, if mds >= 0 || ndist > 0.
+ */
+#define CEPH_MAX_DIRFRAG_REP 4
+
+struct ceph_inode_frag {
+	struct rb_node node;
+
+	/* fragtree state */
+	u32 frag;
+	int split_by;         /* i.e. 2^(split_by) children */
+
+	/* delegation and replication info */
+	int mds;              /* -1 if same authority as parent */
+	int ndist;            /* >0 if replicated */
+	int dist[CEPH_MAX_DIRFRAG_REP];
+};
+
+/*
+ * We cache inode xattrs as an encoded blob until they are first used,
+ * at which point we parse them into an rbtree.
+ */
+struct ceph_inode_xattr {
+	struct rb_node node;
+
+	const char *name;
+	int name_len;
+	const char *val;
+	int val_len;
+	int dirty;
+
+	int should_free_name;
+	int should_free_val;
+};
+
+struct ceph_inode_xattrs_info {
+	/*
+	 * (still encoded) xattr blob. we avoid the overhead of parsing
+	 * this until someone actually calls getxattr, etc.
+	 *
+	 * blob->vec.iov_len == 4 implies there are no xattrs; blob ==
+	 * NULL means we don't know.
+	*/
+	struct ceph_buffer *blob, *prealloc_blob;
+
+	struct rb_root index;
+	bool dirty;
+	int count;
+	int names_size;
+	int vals_size;
+	u64 version, index_version;
+};
+
+/*
+ * Ceph inode.
+ */
+#define CEPH_I_COMPLETE  1  /* we have complete directory cached */
+#define CEPH_I_NODELAY   4  /* do not delay cap release */
+#define CEPH_I_FLUSH     8  /* do not delay flush of dirty metadata */
+#define CEPH_I_NOFLUSH  16  /* do not flush dirty caps */
+
+struct ceph_inode_info {
+	struct ceph_vino i_vino;   /* ceph ino + snap */
+
+	u64 i_version;
+	u32 i_time_warp_seq;
+
+	unsigned i_ceph_flags;
+	unsigned long i_release_count;
+
+	struct ceph_file_layout i_layout;
+	char *i_symlink;
+
+	/* for dirs */
+	struct timespec i_rctime;
+	u64 i_rbytes, i_rfiles, i_rsubdirs;
+	u64 i_files, i_subdirs;
+	u64 i_max_offset;  /* largest readdir offset, set with I_COMPLETE */
+
+	struct rb_root i_fragtree;
+	struct mutex i_fragtree_mutex;
+
+	struct ceph_inode_xattrs_info i_xattrs;
+
+	/* capabilities.  protected _both_ by i_lock and cap->session's
+	 * s_mutex. */
+	struct rb_root i_caps;           /* cap list */
+	struct ceph_cap *i_auth_cap;     /* authoritative cap, if any */
+	unsigned i_dirty_caps, i_flushing_caps;     /* mask of dirtied fields */
+	struct list_head i_dirty_item, i_flushing_item;
+	u64 i_cap_flush_seq;
+	/* we need to track cap writeback on a per-cap-bit basis, to allow
+	 * overlapping, pipelined cap flushes to the mds.  we can probably
+	 * reduce the tid to 8 bits if we're concerned about inode size. */
+	u16 i_cap_flush_last_tid, i_cap_flush_tid[CEPH_CAP_BITS];
+	wait_queue_head_t i_cap_wq;      /* threads waiting on a capability */
+	unsigned long i_hold_caps_min; /* jiffies */
+	unsigned long i_hold_caps_max; /* jiffies */
+	struct list_head i_cap_delay_list;  /* for delayed cap release to mds */
+	int i_cap_exporting_mds;         /* to handle cap migration between */
+	unsigned i_cap_exporting_mseq;   /*  mds's. */
+	unsigned i_cap_exporting_issued;
+	struct ceph_cap_reservation i_cap_migration_resv;
+	struct list_head i_cap_snaps;   /* snapped state pending flush to mds */
+	struct ceph_snap_context *i_head_snapc;  /* set if wr_buffer_head > 0 */
+	unsigned i_snap_caps;           /* cap bits for snapped files */
+
+	int i_nr_by_mode[CEPH_FILE_MODE_NUM];  /* open file counts */
+
+	u32 i_truncate_seq;        /* last truncate to smaller size */
+	u64 i_truncate_size;       /*  and the size we last truncated down to */
+	int i_truncate_pending;    /*  still need to call vmtruncate */
+
+	u64 i_max_size;            /* max file size authorized by mds */
+	u64 i_reported_size; /* (max_)size reported to or requested of mds */
+	u64 i_wanted_max_size;     /* offset we'd like to write too */
+	u64 i_requested_max_size;  /* max_size we've requested */
+
+	/* held references to caps */
+	int i_pin_ref;
+	int i_rd_ref, i_rdcache_ref, i_wr_ref;
+	int i_wrbuffer_ref, i_wrbuffer_ref_head;
+	u32 i_shared_gen;       /* increment each time we get FILE_SHARED */
+	u32 i_rdcache_gen;      /* we increment this each time we get
+				   FILE_CACHE.  If it's non-zero, we
+				   _may_ have cached pages. */
+	u32 i_rdcache_revoking; /* RDCACHE gen to async invalidate, if any */
+
+	struct list_head i_unsafe_writes; /* uncommitted sync writes */
+	struct list_head i_unsafe_dirops; /* uncommitted mds dir ops */
+	spinlock_t i_unsafe_lock;
+
+	struct ceph_snap_realm *i_snap_realm; /* snap realm (if caps) */
+	int i_snap_realm_counter; /* snap realm (if caps) */
+	struct list_head i_snap_realm_item;
+	struct list_head i_snap_flush_item;
+
+	struct work_struct i_wb_work;  /* writeback work */
+	struct work_struct i_pg_inv_work;  /* page invalidation work */
+
+	struct work_struct i_vmtruncate_work;
+
+	struct inode vfs_inode; /* at end */
+};
+
+static inline struct ceph_inode_info *ceph_inode(struct inode *inode)
+{
+	return container_of(inode, struct ceph_inode_info, vfs_inode);
+}
+
+static inline void ceph_i_clear(struct inode *inode, unsigned mask)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+
+	spin_lock(&inode->i_lock);
+	ci->i_ceph_flags &= ~mask;
+	spin_unlock(&inode->i_lock);
+}
+
+static inline void ceph_i_set(struct inode *inode, unsigned mask)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+
+	spin_lock(&inode->i_lock);
+	ci->i_ceph_flags |= mask;
+	spin_unlock(&inode->i_lock);
+}
+
+static inline bool ceph_i_test(struct inode *inode, unsigned mask)
+{
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	bool r;
+
+	smp_mb();
+	r = (ci->i_ceph_flags & mask) == mask;
+	return r;
+}
+
+
+/* find a specific frag @f */
+extern struct ceph_inode_frag *__ceph_find_frag(struct ceph_inode_info *ci,
+						u32 f);
+
+/*
+ * choose fragment for value @v.  copy frag content to pfrag, if leaf
+ * exists
+ */
+extern u32 ceph_choose_frag(struct ceph_inode_info *ci, u32 v,
+			    struct ceph_inode_frag *pfrag,
+			    int *found);
+
+/*
+ * Ceph dentry state
+ */
+struct ceph_dentry_info {
+	struct ceph_mds_session *lease_session;
+	u32 lease_gen, lease_shared_gen;
+	u32 lease_seq;
+	unsigned long lease_renew_after, lease_renew_from;
+	struct list_head lru;
+	struct dentry *dentry;
+	u64 time;
+	u64 offset;
+};
+
+static inline struct ceph_dentry_info *ceph_dentry(struct dentry *dentry)
+{
+	return (struct ceph_dentry_info *)dentry->d_fsdata;
+}
+
+static inline loff_t ceph_make_fpos(unsigned frag, unsigned off)
+{
+	return ((loff_t)frag << 32) | (loff_t)off;
+}
+
+/*
+ * ino_t is <64 bits on many architectures, blech.
+ *
+ * don't include snap in ino hash, at least for now.
+ */
+static inline ino_t ceph_vino_to_ino(struct ceph_vino vino)
+{
+	ino_t ino = (ino_t)vino.ino;  /* ^ (vino.snap << 20); */
+#if BITS_PER_LONG == 32
+	ino ^= vino.ino >> (sizeof(u64)-sizeof(ino_t)) * 8;
+	if (!ino)
+		ino = 1;
+#endif
+	return ino;
+}
+
+static inline int ceph_set_ino_cb(struct inode *inode, void *data)
+{
+	ceph_inode(inode)->i_vino = *(struct ceph_vino *)data;
+	inode->i_ino = ceph_vino_to_ino(*(struct ceph_vino *)data);
+	return 0;
+}
+
+static inline struct ceph_vino ceph_vino(struct inode *inode)
+{
+	return ceph_inode(inode)->i_vino;
+}
+
+/* for printf-style formatting */
+#define ceph_vinop(i) ceph_inode(i)->i_vino.ino, ceph_inode(i)->i_vino.snap
+
+static inline u64 ceph_ino(struct inode *inode)
+{
+	return ceph_inode(inode)->i_vino.ino;
+}
+static inline u64 ceph_snap(struct inode *inode)
+{
+	return ceph_inode(inode)->i_vino.snap;
+}
+
+static inline int ceph_ino_compare(struct inode *inode, void *data)
+{
+	struct ceph_vino *pvino = (struct ceph_vino *)data;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	return ci->i_vino.ino == pvino->ino &&
+		ci->i_vino.snap == pvino->snap;
+}
+
+static inline struct inode *ceph_find_inode(struct super_block *sb,
+					    struct ceph_vino vino)
+{
+	ino_t t = ceph_vino_to_ino(vino);
+	return ilookup5(sb, t, ceph_ino_compare, &vino);
+}
+
+
+/*
+ * caps helpers
+ */
+static inline bool __ceph_is_any_real_caps(struct ceph_inode_info *ci)
+{
+	return !RB_EMPTY_ROOT(&ci->i_caps);
+}
+
+extern int __ceph_caps_issued(struct ceph_inode_info *ci, int *implemented);
+extern int __ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask, int t);
+extern int __ceph_caps_issued_other(struct ceph_inode_info *ci,
+				    struct ceph_cap *cap);
+
+static inline int ceph_caps_issued(struct ceph_inode_info *ci)
+{
+	int issued;
+	spin_lock(&ci->vfs_inode.i_lock);
+	issued = __ceph_caps_issued(ci, NULL);
+	spin_unlock(&ci->vfs_inode.i_lock);
+	return issued;
+}
+
+static inline int ceph_caps_issued_mask(struct ceph_inode_info *ci, int mask,
+					int touch)
+{
+	int r;
+	spin_lock(&ci->vfs_inode.i_lock);
+	r = __ceph_caps_issued_mask(ci, mask, touch);
+	spin_unlock(&ci->vfs_inode.i_lock);
+	return r;
+}
+
+static inline int __ceph_caps_dirty(struct ceph_inode_info *ci)
+{
+	return ci->i_dirty_caps | ci->i_flushing_caps;
+}
+extern void __ceph_mark_dirty_caps(struct ceph_inode_info *ci, int mask);
+
+extern int ceph_caps_revoking(struct ceph_inode_info *ci, int mask);
+extern int __ceph_caps_used(struct ceph_inode_info *ci);
+
+extern int __ceph_caps_file_wanted(struct ceph_inode_info *ci);
+
+/*
+ * wanted, by virtue of open file modes AND cap refs (buffered/cached data)
+ */
+static inline int __ceph_caps_wanted(struct ceph_inode_info *ci)
+{
+	int w = __ceph_caps_file_wanted(ci) | __ceph_caps_used(ci);
+	if (w & CEPH_CAP_FILE_BUFFER)
+		w |= CEPH_CAP_FILE_EXCL;  /* we want EXCL if dirty data */
+	return w;
+}
+
+/* what the mds thinks we want */
+extern int __ceph_caps_mds_wanted(struct ceph_inode_info *ci);
+
+extern void ceph_caps_init(void);
+extern void ceph_caps_finalize(void);
+extern void ceph_adjust_min_caps(int delta);
+extern int ceph_reserve_caps(struct ceph_cap_reservation *ctx, int need);
+extern int ceph_unreserve_caps(struct ceph_cap_reservation *ctx);
+extern void ceph_reservation_status(struct ceph_client *client,
+				    int *total, int *avail, int *used,
+				    int *reserved, int *min);
+
+static inline struct ceph_client *ceph_inode_to_client(struct inode *inode)
+{
+	return (struct ceph_client *)inode->i_sb->s_fs_info;
+}
+
+static inline struct ceph_client *ceph_sb_to_client(struct super_block *sb)
+{
+	return (struct ceph_client *)sb->s_fs_info;
+}
+
+
+/*
+ * we keep buffered readdir results attached to file->private_data
+ */
+struct ceph_file_info {
+	int fmode;     /* initialized on open */
+
+	/* readdir: position within the dir */
+	u32 frag;
+	struct ceph_mds_request *last_readdir;
+	int at_end;
+
+	/* readdir: position within a frag */
+	unsigned offset;       /* offset of last chunk, adjusted for . and .. */
+	u64 next_offset;       /* offset of next chunk (last_name's + 1) */
+	char *last_name;       /* last entry in previous chunk */
+	struct dentry *dentry; /* next dentry (for dcache readdir) */
+	unsigned long dir_release_count;
+
+	/* used for -o dirstat read() on directory thing */
+	char *dir_info;
+	int dir_info_len;
+};
+
+
+
+/*
+ * snapshots
+ */
+
+/*
+ * A "snap context" is the set of existing snapshots when we
+ * write data.  It is used by the OSD to guide its COW behavior.
+ *
+ * The ceph_snap_context is refcounted, and attached to each dirty
+ * page, indicating which context the dirty data belonged when it was
+ * dirtied.
+ */
+struct ceph_snap_context {
+	atomic_t nref;
+	u64 seq;
+	int num_snaps;
+	u64 snaps[];
+};
+
+static inline struct ceph_snap_context *
+ceph_get_snap_context(struct ceph_snap_context *sc)
+{
+	/*
+	printk("get_snap_context %p %d -> %d\n", sc, atomic_read(&sc->nref),
+	       atomic_read(&sc->nref)+1);
+	*/
+	if (sc)
+		atomic_inc(&sc->nref);
+	return sc;
+}
+
+static inline void ceph_put_snap_context(struct ceph_snap_context *sc)
+{
+	if (!sc)
+		return;
+	/*
+	printk("put_snap_context %p %d -> %d\n", sc, atomic_read(&sc->nref),
+	       atomic_read(&sc->nref)-1);
+	*/
+	if (atomic_dec_and_test(&sc->nref)) {
+		/*printk(" deleting snap_context %p\n", sc);*/
+		kfree(sc);
+	}
+}
+
+/*
+ * A "snap realm" describes a subset of the file hierarchy sharing
+ * the same set of snapshots that apply to it.  The realms themselves
+ * are organized into a hierarchy, such that children inherit (some of)
+ * the snapshots of their parents.
+ *
+ * All inodes within the realm that have capabilities are linked into a
+ * per-realm list.
+ */
+struct ceph_snap_realm {
+	u64 ino;
+	atomic_t nref;
+	struct rb_node node;
+
+	u64 created, seq;
+	u64 parent_ino;
+	u64 parent_since;   /* snapid when our current parent became so */
+
+	u64 *prior_parent_snaps;      /* snaps inherited from any parents we */
+	int num_prior_parent_snaps;   /*  had prior to parent_since */
+	u64 *snaps;                   /* snaps specific to this realm */
+	int num_snaps;
+
+	struct ceph_snap_realm *parent;
+	struct list_head children;       /* list of child realms */
+	struct list_head child_item;
+
+	struct list_head empty_item;     /* if i have ref==0 */
+
+	/* the current set of snaps for this realm */
+	struct ceph_snap_context *cached_context;
+
+	struct list_head inodes_with_caps;
+	spinlock_t inodes_with_caps_lock;
+};
+
+
+
+/*
+ * calculate the number of pages a given length and offset map onto,
+ * if we align the data.
+ */
+static inline int calc_pages_for(u64 off, u64 len)
+{
+	return ((off+len+PAGE_CACHE_SIZE-1) >> PAGE_CACHE_SHIFT) -
+		(off >> PAGE_CACHE_SHIFT);
+}
+
+
+
+/* snap.c */
+struct ceph_snap_realm *ceph_lookup_snap_realm(struct ceph_mds_client *mdsc,
+					       u64 ino);
+extern void ceph_get_snap_realm(struct ceph_mds_client *mdsc,
+				struct ceph_snap_realm *realm);
+extern void ceph_put_snap_realm(struct ceph_mds_client *mdsc,
+				struct ceph_snap_realm *realm);
+extern int ceph_update_snap_trace(struct ceph_mds_client *m,
+				  void *p, void *e, bool deletion);
+extern void ceph_handle_snap(struct ceph_mds_client *mdsc,
+			     struct ceph_mds_session *session,
+			     struct ceph_msg *msg);
+extern void ceph_queue_cap_snap(struct ceph_inode_info *ci,
+				struct ceph_snap_context *snapc);
+extern int __ceph_finish_cap_snap(struct ceph_inode_info *ci,
+				  struct ceph_cap_snap *capsnap);
+extern void ceph_cleanup_empty_realms(struct ceph_mds_client *mdsc);
+
+/*
+ * a cap_snap is "pending" if it is still awaiting an in-progress
+ * sync write (that may/may not still update size, mtime, etc.).
+ */
+static inline bool __ceph_have_pending_cap_snap(struct ceph_inode_info *ci)
+{
+	return !list_empty(&ci->i_cap_snaps) &&
+		list_entry(ci->i_cap_snaps.prev, struct ceph_cap_snap,
+			   ci_item)->writing;
+}
+
+
+/* super.c */
+extern struct kmem_cache *ceph_inode_cachep;
+extern struct kmem_cache *ceph_cap_cachep;
+extern struct kmem_cache *ceph_dentry_cachep;
+extern struct kmem_cache *ceph_file_cachep;
+
+extern const char *ceph_msg_type_name(int type);
+extern int ceph_check_fsid(struct ceph_client *client, struct ceph_fsid *fsid);
+
+#define FSID_FORMAT "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-" \
+	"%02x%02x%02x%02x%02x%02x"
+#define PR_FSID(f) (f)->fsid[0], (f)->fsid[1], (f)->fsid[2], (f)->fsid[3], \
+		(f)->fsid[4], (f)->fsid[5], (f)->fsid[6], (f)->fsid[7],    \
+		(f)->fsid[8], (f)->fsid[9], (f)->fsid[10], (f)->fsid[11],  \
+		(f)->fsid[12], (f)->fsid[13], (f)->fsid[14], (f)->fsid[15]
+
+/* inode.c */
+extern const struct inode_operations ceph_file_iops;
+
+extern struct inode *ceph_alloc_inode(struct super_block *sb);
+extern void ceph_destroy_inode(struct inode *inode);
+
+extern struct inode *ceph_get_inode(struct super_block *sb,
+				    struct ceph_vino vino);
+extern struct inode *ceph_get_snapdir(struct inode *parent);
+extern int ceph_fill_file_size(struct inode *inode, int issued,
+			       u32 truncate_seq, u64 truncate_size, u64 size);
+extern void ceph_fill_file_time(struct inode *inode, int issued,
+				u64 time_warp_seq, struct timespec *ctime,
+				struct timespec *mtime, struct timespec *atime);
+extern int ceph_fill_trace(struct super_block *sb,
+			   struct ceph_mds_request *req,
+			   struct ceph_mds_session *session);
+extern int ceph_readdir_prepopulate(struct ceph_mds_request *req,
+				    struct ceph_mds_session *session);
+
+extern int ceph_inode_holds_cap(struct inode *inode, int mask);
+
+extern int ceph_inode_set_size(struct inode *inode, loff_t size);
+extern void __ceph_do_pending_vmtruncate(struct inode *inode);
+extern void ceph_queue_vmtruncate(struct inode *inode);
+
+extern void ceph_queue_invalidate(struct inode *inode);
+extern void ceph_queue_writeback(struct inode *inode);
+
+extern int ceph_do_getattr(struct inode *inode, int mask);
+extern int ceph_permission(struct inode *inode, int mask);
+extern int ceph_setattr(struct dentry *dentry, struct iattr *attr);
+extern int ceph_getattr(struct vfsmount *mnt, struct dentry *dentry,
+			struct kstat *stat);
+
+/* xattr.c */
+extern int ceph_setxattr(struct dentry *, const char *, const void *,
+			 size_t, int);
+extern ssize_t ceph_getxattr(struct dentry *, const char *, void *, size_t);
+extern ssize_t ceph_listxattr(struct dentry *, char *, size_t);
+extern int ceph_removexattr(struct dentry *, const char *);
+extern void __ceph_build_xattrs_blob(struct ceph_inode_info *ci);
+extern void __ceph_destroy_xattrs(struct ceph_inode_info *ci);
+
+/* caps.c */
+extern const char *ceph_cap_string(int c);
+extern void ceph_handle_caps(struct ceph_mds_session *session,
+			     struct ceph_msg *msg);
+extern int ceph_add_cap(struct inode *inode,
+			struct ceph_mds_session *session, u64 cap_id,
+			int fmode, unsigned issued, unsigned wanted,
+			unsigned cap, unsigned seq, u64 realmino, int flags,
+			struct ceph_cap_reservation *caps_reservation);
+extern void __ceph_remove_cap(struct ceph_cap *cap);
+static inline void ceph_remove_cap(struct ceph_cap *cap)
+{
+	struct inode *inode = &cap->ci->vfs_inode;
+	spin_lock(&inode->i_lock);
+	__ceph_remove_cap(cap);
+	spin_unlock(&inode->i_lock);
+}
+extern void ceph_put_cap(struct ceph_cap *cap);
+
+extern void ceph_queue_caps_release(struct inode *inode);
+extern int ceph_write_inode(struct inode *inode, struct writeback_control *wbc);
+extern int ceph_fsync(struct file *file, struct dentry *dentry, int datasync);
+extern void ceph_kick_flushing_caps(struct ceph_mds_client *mdsc,
+				    struct ceph_mds_session *session);
+extern int ceph_get_cap_mds(struct inode *inode);
+extern void ceph_get_cap_refs(struct ceph_inode_info *ci, int caps);
+extern void ceph_put_cap_refs(struct ceph_inode_info *ci, int had);
+extern void ceph_put_wrbuffer_cap_refs(struct ceph_inode_info *ci, int nr,
+				       struct ceph_snap_context *snapc);
+extern void __ceph_flush_snaps(struct ceph_inode_info *ci,
+			       struct ceph_mds_session **psession);
+extern void ceph_check_caps(struct ceph_inode_info *ci, int flags,
+			    struct ceph_mds_session *session);
+extern void ceph_check_delayed_caps(struct ceph_mds_client *mdsc);
+extern void ceph_flush_dirty_caps(struct ceph_mds_client *mdsc);
+
+extern int ceph_encode_inode_release(void **p, struct inode *inode,
+				     int mds, int drop, int unless, int force);
+extern int ceph_encode_dentry_release(void **p, struct dentry *dn,
+				      int mds, int drop, int unless);
+
+extern int ceph_get_caps(struct ceph_inode_info *ci, int need, int want,
+			 int *got, loff_t endoff);
+
+/* for counting open files by mode */
+static inline void __ceph_get_fmode(struct ceph_inode_info *ci, int mode)
+{
+	ci->i_nr_by_mode[mode]++;
+}
+extern void ceph_put_fmode(struct ceph_inode_info *ci, int mode);
+
+/* addr.c */
+extern const struct address_space_operations ceph_aops;
+extern int ceph_mmap(struct file *file, struct vm_area_struct *vma);
+
+/* file.c */
+extern const struct file_operations ceph_file_fops;
+extern const struct address_space_operations ceph_aops;
+extern int ceph_open(struct inode *inode, struct file *file);
+extern struct dentry *ceph_lookup_open(struct inode *dir, struct dentry *dentry,
+				       struct nameidata *nd, int mode,
+				       int locked_dir);
+extern int ceph_release(struct inode *inode, struct file *filp);
+extern void ceph_release_page_vector(struct page **pages, int num_pages);
+
+/* dir.c */
+extern const struct file_operations ceph_dir_fops;
+extern const struct inode_operations ceph_dir_iops;
+extern struct dentry_operations ceph_dentry_ops, ceph_snap_dentry_ops,
+	ceph_snapdir_dentry_ops;
+
+extern int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry);
+extern struct dentry *ceph_finish_lookup(struct ceph_mds_request *req,
+					 struct dentry *dentry, int err);
+
+extern void ceph_dentry_lru_add(struct dentry *dn);
+extern void ceph_dentry_lru_touch(struct dentry *dn);
+extern void ceph_dentry_lru_del(struct dentry *dn);
+
+/*
+ * our d_ops vary depending on whether the inode is live,
+ * snapshotted (read-only), or a virtual ".snap" directory.
+ */
+int ceph_init_dentry(struct dentry *dentry);
+
+
+/* ioctl.c */
+extern long ceph_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
+
+/* export.c */
+extern const struct export_operations ceph_export_ops;
+
+/* debugfs.c */
+extern int ceph_debugfs_init(void);
+extern void ceph_debugfs_cleanup(void);
+extern int ceph_debugfs_client_init(struct ceph_client *client);
+extern void ceph_debugfs_client_cleanup(struct ceph_client *client);
+
+static inline struct inode *get_dentry_parent_inode(struct dentry *dentry)
+{
+	if (dentry && dentry->d_parent)
+		return dentry->d_parent->d_inode;
+
+	return NULL;
+}
+
+#endif /* _FS_CEPH_SUPER_H */
diff --git a/fs/ceph/types.h b/fs/ceph/types.h
new file mode 100644
index 000000000000..28b35a005ec2
--- /dev/null
+++ b/fs/ceph/types.h
@@ -0,0 +1,29 @@
+#ifndef _FS_CEPH_TYPES_H
+#define _FS_CEPH_TYPES_H
+
+/* needed before including ceph_fs.h */
+#include <linux/in.h>
+#include <linux/types.h>
+#include <linux/fcntl.h>
+#include <linux/string.h>
+
+#include "ceph_fs.h"
+#include "ceph_frag.h"
+#include "ceph_hash.h"
+
+/*
+ * Identify inodes by both their ino AND snapshot id (a u64).
+ */
+struct ceph_vino {
+	u64 ino;
+	u64 snap;
+};
+
+
+/* context for the caps reservation mechanism */
+struct ceph_cap_reservation {
+	int count;
+};
+
+
+#endif
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
new file mode 100644
index 000000000000..37d6ce645691
--- /dev/null
+++ b/fs/ceph/xattr.c
@@ -0,0 +1,844 @@
+#include "ceph_debug.h"
+#include "super.h"
+#include "decode.h"
+
+#include <linux/xattr.h>
+
+static bool ceph_is_valid_xattr(const char *name)
+{
+	return !strncmp(name, XATTR_SECURITY_PREFIX,
+			XATTR_SECURITY_PREFIX_LEN) ||
+	       !strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN) ||
+	       !strncmp(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
+}
+
+/*
+ * These define virtual xattrs exposing the recursive directory
+ * statistics and layout metadata.
+ */
+struct ceph_vxattr_cb {
+	bool readonly;
+	char *name;
+	size_t (*getxattr_cb)(struct ceph_inode_info *ci, char *val,
+			      size_t size);
+};
+
+/* directories */
+
+static size_t ceph_vxattrcb_entries(struct ceph_inode_info *ci, char *val,
+					size_t size)
+{
+	return snprintf(val, size, "%lld", ci->i_files + ci->i_subdirs);
+}
+
+static size_t ceph_vxattrcb_files(struct ceph_inode_info *ci, char *val,
+				      size_t size)
+{
+	return snprintf(val, size, "%lld", ci->i_files);
+}
+
+static size_t ceph_vxattrcb_subdirs(struct ceph_inode_info *ci, char *val,
+					size_t size)
+{
+	return snprintf(val, size, "%lld", ci->i_subdirs);
+}
+
+static size_t ceph_vxattrcb_rentries(struct ceph_inode_info *ci, char *val,
+					 size_t size)
+{
+	return snprintf(val, size, "%lld", ci->i_rfiles + ci->i_rsubdirs);
+}
+
+static size_t ceph_vxattrcb_rfiles(struct ceph_inode_info *ci, char *val,
+				       size_t size)
+{
+	return snprintf(val, size, "%lld", ci->i_rfiles);
+}
+
+static size_t ceph_vxattrcb_rsubdirs(struct ceph_inode_info *ci, char *val,
+					 size_t size)
+{
+	return snprintf(val, size, "%lld", ci->i_rsubdirs);
+}
+
+static size_t ceph_vxattrcb_rbytes(struct ceph_inode_info *ci, char *val,
+				       size_t size)
+{
+	return snprintf(val, size, "%lld", ci->i_rbytes);
+}
+
+static size_t ceph_vxattrcb_rctime(struct ceph_inode_info *ci, char *val,
+				       size_t size)
+{
+	return snprintf(val, size, "%ld.%ld", (long)ci->i_rctime.tv_sec,
+			(long)ci->i_rctime.tv_nsec);
+}
+
+static struct ceph_vxattr_cb ceph_dir_vxattrs[] = {
+	{ true, "user.ceph.dir.entries", ceph_vxattrcb_entries},
+	{ true, "user.ceph.dir.files", ceph_vxattrcb_files},
+	{ true, "user.ceph.dir.subdirs", ceph_vxattrcb_subdirs},
+	{ true, "user.ceph.dir.rentries", ceph_vxattrcb_rentries},
+	{ true, "user.ceph.dir.rfiles", ceph_vxattrcb_rfiles},
+	{ true, "user.ceph.dir.rsubdirs", ceph_vxattrcb_rsubdirs},
+	{ true, "user.ceph.dir.rbytes", ceph_vxattrcb_rbytes},
+	{ true, "user.ceph.dir.rctime", ceph_vxattrcb_rctime},
+	{ true, NULL, NULL }
+};
+
+/* files */
+
+static size_t ceph_vxattrcb_layout(struct ceph_inode_info *ci, char *val,
+				   size_t size)
+{
+	int ret;
+
+	ret = snprintf(val, size,
+		"chunk_bytes=%lld\nstripe_count=%lld\nobject_size=%lld\n",
+		(unsigned long long)ceph_file_layout_su(ci->i_layout),
+		(unsigned long long)ceph_file_layout_stripe_count(ci->i_layout),
+		(unsigned long long)ceph_file_layout_object_size(ci->i_layout));
+	if (ceph_file_layout_pg_preferred(ci->i_layout))
+		ret += snprintf(val + ret, size, "preferred_osd=%lld\n",
+			    (unsigned long long)ceph_file_layout_pg_preferred(
+				    ci->i_layout));
+	return ret;
+}
+
+static struct ceph_vxattr_cb ceph_file_vxattrs[] = {
+	{ true, "user.ceph.layout", ceph_vxattrcb_layout},
+	{ NULL, NULL }
+};
+
+static struct ceph_vxattr_cb *ceph_inode_vxattrs(struct inode *inode)
+{
+	if (S_ISDIR(inode->i_mode))
+		return ceph_dir_vxattrs;
+	else if (S_ISREG(inode->i_mode))
+		return ceph_file_vxattrs;
+	return NULL;
+}
+
+static struct ceph_vxattr_cb *ceph_match_vxattr(struct ceph_vxattr_cb *vxattr,
+						const char *name)
+{
+	do {
+		if (strcmp(vxattr->name, name) == 0)
+			return vxattr;
+		vxattr++;
+	} while (vxattr->name);
+	return NULL;
+}
+
+static int __set_xattr(struct ceph_inode_info *ci,
+			   const char *name, int name_len,
+			   const char *val, int val_len,
+			   int dirty,
+			   int should_free_name, int should_free_val,
+			   struct ceph_inode_xattr **newxattr)
+{
+	struct rb_node **p;
+	struct rb_node *parent = NULL;
+	struct ceph_inode_xattr *xattr = NULL;
+	int c;
+	int new = 0;
+
+	p = &ci->i_xattrs.index.rb_node;
+	while (*p) {
+		parent = *p;
+		xattr = rb_entry(parent, struct ceph_inode_xattr, node);
+		c = strncmp(name, xattr->name, min(name_len, xattr->name_len));
+		if (c < 0)
+			p = &(*p)->rb_left;
+		else if (c > 0)
+			p = &(*p)->rb_right;
+		else {
+			if (name_len == xattr->name_len)
+				break;
+			else if (name_len < xattr->name_len)
+				p = &(*p)->rb_left;
+			else
+				p = &(*p)->rb_right;
+		}
+		xattr = NULL;
+	}
+
+	if (!xattr) {
+		new = 1;
+		xattr = *newxattr;
+		xattr->name = name;
+		xattr->name_len = name_len;
+		xattr->should_free_name = should_free_name;
+
+		ci->i_xattrs.count++;
+		dout("__set_xattr count=%d\n", ci->i_xattrs.count);
+	} else {
+		kfree(*newxattr);
+		*newxattr = NULL;
+		if (xattr->should_free_val)
+			kfree((void *)xattr->val);
+
+		if (should_free_name) {
+			kfree((void *)name);
+			name = xattr->name;
+		}
+		ci->i_xattrs.names_size -= xattr->name_len;
+		ci->i_xattrs.vals_size -= xattr->val_len;
+	}
+	if (!xattr) {
+		pr_err("__set_xattr ENOMEM on %p %llx.%llx xattr %s=%s\n",
+		       &ci->vfs_inode, ceph_vinop(&ci->vfs_inode), name,
+		       xattr->val);
+		return -ENOMEM;
+	}
+	ci->i_xattrs.names_size += name_len;
+	ci->i_xattrs.vals_size += val_len;
+	if (val)
+		xattr->val = val;
+	else
+		xattr->val = "";
+
+	xattr->val_len = val_len;
+	xattr->dirty = dirty;
+	xattr->should_free_val = (val && should_free_val);
+
+	if (new) {
+		rb_link_node(&xattr->node, parent, p);
+		rb_insert_color(&xattr->node, &ci->i_xattrs.index);
+		dout("__set_xattr_val p=%p\n", p);
+	}
+
+	dout("__set_xattr_val added %llx.%llx xattr %p %s=%.*s\n",
+	     ceph_vinop(&ci->vfs_inode), xattr, name, val_len, val);
+
+	return 0;
+}
+
+static struct ceph_inode_xattr *__get_xattr(struct ceph_inode_info *ci,
+			   const char *name)
+{
+	struct rb_node **p;
+	struct rb_node *parent = NULL;
+	struct ceph_inode_xattr *xattr = NULL;
+	int c;
+
+	p = &ci->i_xattrs.index.rb_node;
+	while (*p) {
+		parent = *p;
+		xattr = rb_entry(parent, struct ceph_inode_xattr, node);
+		c = strncmp(name, xattr->name, xattr->name_len);
+		if (c < 0)
+			p = &(*p)->rb_left;
+		else if (c > 0)
+			p = &(*p)->rb_right;
+		else {
+			dout("__get_xattr %s: found %.*s\n", name,
+			     xattr->val_len, xattr->val);
+			return xattr;
+		}
+	}
+
+	dout("__get_xattr %s: not found\n", name);
+
+	return NULL;
+}
+
+static void __free_xattr(struct ceph_inode_xattr *xattr)
+{
+	BUG_ON(!xattr);
+
+	if (xattr->should_free_name)
+		kfree((void *)xattr->name);
+	if (xattr->should_free_val)
+		kfree((void *)xattr->val);
+
+	kfree(xattr);
+}
+
+static int __remove_xattr(struct ceph_inode_info *ci,
+			  struct ceph_inode_xattr *xattr)
+{
+	if (!xattr)
+		return -EOPNOTSUPP;
+
+	rb_erase(&xattr->node, &ci->i_xattrs.index);
+
+	if (xattr->should_free_name)
+		kfree((void *)xattr->name);
+	if (xattr->should_free_val)
+		kfree((void *)xattr->val);
+
+	ci->i_xattrs.names_size -= xattr->name_len;
+	ci->i_xattrs.vals_size -= xattr->val_len;
+	ci->i_xattrs.count--;
+	kfree(xattr);
+
+	return 0;
+}
+
+static int __remove_xattr_by_name(struct ceph_inode_info *ci,
+			   const char *name)
+{
+	struct rb_node **p;
+	struct ceph_inode_xattr *xattr;
+	int err;
+
+	p = &ci->i_xattrs.index.rb_node;
+	xattr = __get_xattr(ci, name);
+	err = __remove_xattr(ci, xattr);
+	return err;
+}
+
+static char *__copy_xattr_names(struct ceph_inode_info *ci,
+				char *dest)
+{
+	struct rb_node *p;
+	struct ceph_inode_xattr *xattr = NULL;
+
+	p = rb_first(&ci->i_xattrs.index);
+	dout("__copy_xattr_names count=%d\n", ci->i_xattrs.count);
+
+	while (p) {
+		xattr = rb_entry(p, struct ceph_inode_xattr, node);
+		memcpy(dest, xattr->name, xattr->name_len);
+		dest[xattr->name_len] = '\0';
+
+		dout("dest=%s %p (%s) (%d/%d)\n", dest, xattr, xattr->name,
+		     xattr->name_len, ci->i_xattrs.names_size);
+
+		dest += xattr->name_len + 1;
+		p = rb_next(p);
+	}
+
+	return dest;
+}
+
+void __ceph_destroy_xattrs(struct ceph_inode_info *ci)
+{
+	struct rb_node *p, *tmp;
+	struct ceph_inode_xattr *xattr = NULL;
+
+	p = rb_first(&ci->i_xattrs.index);
+
+	dout("__ceph_destroy_xattrs p=%p\n", p);
+
+	while (p) {
+		xattr = rb_entry(p, struct ceph_inode_xattr, node);
+		tmp = p;
+		p = rb_next(tmp);
+		dout("__ceph_destroy_xattrs next p=%p (%.*s)\n", p,
+		     xattr->name_len, xattr->name);
+		rb_erase(tmp, &ci->i_xattrs.index);
+
+		__free_xattr(xattr);
+	}
+
+	ci->i_xattrs.names_size = 0;
+	ci->i_xattrs.vals_size = 0;
+	ci->i_xattrs.index_version = 0;
+	ci->i_xattrs.count = 0;
+	ci->i_xattrs.index = RB_ROOT;
+}
+
+static int __build_xattrs(struct inode *inode)
+{
+	u32 namelen;
+	u32 numattr = 0;
+	void *p, *end;
+	u32 len;
+	const char *name, *val;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	int xattr_version;
+	struct ceph_inode_xattr **xattrs = NULL;
+	int err = 0;
+	int i;
+
+	dout("__build_xattrs() len=%d\n",
+	     ci->i_xattrs.blob ? (int)ci->i_xattrs.blob->vec.iov_len : 0);
+
+	if (ci->i_xattrs.index_version >= ci->i_xattrs.version)
+		return 0; /* already built */
+
+	__ceph_destroy_xattrs(ci);
+
+start:
+	/* updated internal xattr rb tree */
+	if (ci->i_xattrs.blob && ci->i_xattrs.blob->vec.iov_len > 4) {
+		p = ci->i_xattrs.blob->vec.iov_base;
+		end = p + ci->i_xattrs.blob->vec.iov_len;
+		ceph_decode_32_safe(&p, end, numattr, bad);
+		xattr_version = ci->i_xattrs.version;
+		spin_unlock(&inode->i_lock);
+
+		xattrs = kcalloc(numattr, sizeof(struct ceph_xattr *),
+				 GFP_NOFS);
+		err = -ENOMEM;
+		if (!xattrs)
+			goto bad_lock;
+		memset(xattrs, 0, numattr*sizeof(struct ceph_xattr *));
+		for (i = 0; i < numattr; i++) {
+			xattrs[i] = kmalloc(sizeof(struct ceph_inode_xattr),
+					    GFP_NOFS);
+			if (!xattrs[i])
+				goto bad_lock;
+		}
+
+		spin_lock(&inode->i_lock);
+		if (ci->i_xattrs.version != xattr_version) {
+			/* lost a race, retry */
+			for (i = 0; i < numattr; i++)
+				kfree(xattrs[i]);
+			kfree(xattrs);
+			goto start;
+		}
+		err = -EIO;
+		while (numattr--) {
+			ceph_decode_32_safe(&p, end, len, bad);
+			namelen = len;
+			name = p;
+			p += len;
+			ceph_decode_32_safe(&p, end, len, bad);
+			val = p;
+			p += len;
+
+			err = __set_xattr(ci, name, namelen, val, len,
+					  0, 0, 0, &xattrs[numattr]);
+
+			if (err < 0)
+				goto bad;
+		}
+		kfree(xattrs);
+	}
+	ci->i_xattrs.index_version = ci->i_xattrs.version;
+	ci->i_xattrs.dirty = false;
+
+	return err;
+bad_lock:
+	spin_lock(&inode->i_lock);
+bad:
+	if (xattrs) {
+		for (i = 0; i < numattr; i++)
+			kfree(xattrs[i]);
+		kfree(xattrs);
+	}
+	ci->i_xattrs.names_size = 0;
+	return err;
+}
+
+static int __get_required_blob_size(struct ceph_inode_info *ci, int name_size,
+				    int val_size)
+{
+	/*
+	 * 4 bytes for the length, and additional 4 bytes per each xattr name,
+	 * 4 bytes per each value
+	 */
+	int size = 4 + ci->i_xattrs.count*(4 + 4) +
+			     ci->i_xattrs.names_size +
+			     ci->i_xattrs.vals_size;
+	dout("__get_required_blob_size c=%d names.size=%d vals.size=%d\n",
+	     ci->i_xattrs.count, ci->i_xattrs.names_size,
+	     ci->i_xattrs.vals_size);
+
+	if (name_size)
+		size += 4 + 4 + name_size + val_size;
+
+	return size;
+}
+
+/*
+ * If there are dirty xattrs, reencode xattrs into the prealloc_blob
+ * and swap into place.
+ */
+void __ceph_build_xattrs_blob(struct ceph_inode_info *ci)
+{
+	struct rb_node *p;
+	struct ceph_inode_xattr *xattr = NULL;
+	void *dest;
+
+	dout("__build_xattrs_blob %p\n", &ci->vfs_inode);
+	if (ci->i_xattrs.dirty) {
+		int need = __get_required_blob_size(ci, 0, 0);
+
+		BUG_ON(need > ci->i_xattrs.prealloc_blob->alloc_len);
+
+		p = rb_first(&ci->i_xattrs.index);
+		dest = ci->i_xattrs.prealloc_blob->vec.iov_base;
+
+		ceph_encode_32(&dest, ci->i_xattrs.count);
+		while (p) {
+			xattr = rb_entry(p, struct ceph_inode_xattr, node);
+
+			ceph_encode_32(&dest, xattr->name_len);
+			memcpy(dest, xattr->name, xattr->name_len);
+			dest += xattr->name_len;
+			ceph_encode_32(&dest, xattr->val_len);
+			memcpy(dest, xattr->val, xattr->val_len);
+			dest += xattr->val_len;
+
+			p = rb_next(p);
+		}
+
+		/* adjust buffer len; it may be larger than we need */
+		ci->i_xattrs.prealloc_blob->vec.iov_len =
+			dest - ci->i_xattrs.prealloc_blob->vec.iov_base;
+
+		if (ci->i_xattrs.blob)
+			ceph_buffer_put(ci->i_xattrs.blob);
+		ci->i_xattrs.blob = ci->i_xattrs.prealloc_blob;
+		ci->i_xattrs.prealloc_blob = NULL;
+		ci->i_xattrs.dirty = false;
+	}
+}
+
+ssize_t ceph_getxattr(struct dentry *dentry, const char *name, void *value,
+		      size_t size)
+{
+	struct inode *inode = dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_vxattr_cb *vxattrs = ceph_inode_vxattrs(inode);
+	int err;
+	struct ceph_inode_xattr *xattr;
+	struct ceph_vxattr_cb *vxattr = NULL;
+
+	if (!ceph_is_valid_xattr(name))
+		return -ENODATA;
+
+	/* let's see if a virtual xattr was requested */
+	if (vxattrs)
+		vxattr = ceph_match_vxattr(vxattrs, name);
+
+	spin_lock(&inode->i_lock);
+	dout("getxattr %p ver=%lld index_ver=%lld\n", inode,
+	     ci->i_xattrs.version, ci->i_xattrs.index_version);
+
+	if (__ceph_caps_issued_mask(ci, CEPH_CAP_XATTR_SHARED, 1) &&
+	    (ci->i_xattrs.index_version >= ci->i_xattrs.version)) {
+		goto get_xattr;
+	} else {
+		spin_unlock(&inode->i_lock);
+		/* get xattrs from mds (if we don't already have them) */
+		err = ceph_do_getattr(inode, CEPH_STAT_CAP_XATTR);
+		if (err)
+			return err;
+	}
+
+	spin_lock(&inode->i_lock);
+
+	if (vxattr && vxattr->readonly) {
+		err = vxattr->getxattr_cb(ci, value, size);
+		goto out;
+	}
+
+	err = __build_xattrs(inode);
+	if (err < 0)
+		goto out;
+
+get_xattr:
+	err = -ENODATA;  /* == ENOATTR */
+	xattr = __get_xattr(ci, name);
+	if (!xattr) {
+		if (vxattr)
+			err = vxattr->getxattr_cb(ci, value, size);
+		goto out;
+	}
+
+	err = -ERANGE;
+	if (size && size < xattr->val_len)
+		goto out;
+
+	err = xattr->val_len;
+	if (size == 0)
+		goto out;
+
+	memcpy(value, xattr->val, xattr->val_len);
+
+out:
+	spin_unlock(&inode->i_lock);
+	return err;
+}
+
+ssize_t ceph_listxattr(struct dentry *dentry, char *names, size_t size)
+{
+	struct inode *inode = dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_vxattr_cb *vxattrs = ceph_inode_vxattrs(inode);
+	u32 vir_namelen = 0;
+	u32 namelen;
+	int err;
+	u32 len;
+	int i;
+
+	spin_lock(&inode->i_lock);
+	dout("listxattr %p ver=%lld index_ver=%lld\n", inode,
+	     ci->i_xattrs.version, ci->i_xattrs.index_version);
+
+	if (__ceph_caps_issued_mask(ci, CEPH_CAP_XATTR_SHARED, 1) &&
+	    (ci->i_xattrs.index_version > ci->i_xattrs.version)) {
+		goto list_xattr;
+	} else {
+		spin_unlock(&inode->i_lock);
+		err = ceph_do_getattr(inode, CEPH_STAT_CAP_XATTR);
+		if (err)
+			return err;
+	}
+
+	spin_lock(&inode->i_lock);
+
+	err = __build_xattrs(inode);
+	if (err < 0)
+		goto out;
+
+list_xattr:
+	vir_namelen = 0;
+	/* include virtual dir xattrs */
+	if (vxattrs)
+		for (i = 0; vxattrs[i].name; i++)
+			vir_namelen += strlen(vxattrs[i].name) + 1;
+	/* adding 1 byte per each variable due to the null termination */
+	namelen = vir_namelen + ci->i_xattrs.names_size + ci->i_xattrs.count;
+	err = -ERANGE;
+	if (size && namelen > size)
+		goto out;
+
+	err = namelen;
+	if (size == 0)
+		goto out;
+
+	names = __copy_xattr_names(ci, names);
+
+	/* virtual xattr names, too */
+	if (vxattrs)
+		for (i = 0; vxattrs[i].name; i++) {
+			len = sprintf(names, "%s", vxattrs[i].name);
+			names += len + 1;
+		}
+
+out:
+	spin_unlock(&inode->i_lock);
+	return err;
+}
+
+static int ceph_sync_setxattr(struct dentry *dentry, const char *name,
+			      const char *value, size_t size, int flags)
+{
+	struct ceph_client *client = ceph_client(dentry->d_sb);
+	struct inode *inode = dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct inode *parent_inode = dentry->d_parent->d_inode;
+	struct ceph_mds_request *req;
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	int err;
+	int i, nr_pages;
+	struct page **pages = NULL;
+	void *kaddr;
+
+	/* copy value into some pages */
+	nr_pages = calc_pages_for(0, size);
+	if (nr_pages) {
+		pages = kmalloc(sizeof(pages[0])*nr_pages, GFP_NOFS);
+		if (!pages)
+			return -ENOMEM;
+		err = -ENOMEM;
+		for (i = 0; i < nr_pages; i++) {
+			pages[i] = alloc_page(GFP_NOFS);
+			if (!pages[i]) {
+				nr_pages = i;
+				goto out;
+			}
+			kaddr = kmap(pages[i]);
+			memcpy(kaddr, value + i*PAGE_CACHE_SIZE,
+			       min(PAGE_CACHE_SIZE, size-i*PAGE_CACHE_SIZE));
+		}
+	}
+
+	dout("setxattr value=%.*s\n", (int)size, value);
+
+	/* do request */
+	req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_SETXATTR,
+				       USE_AUTH_MDS);
+	if (IS_ERR(req)) {
+		err = PTR_ERR(req);
+		goto out;
+	}
+	req->r_inode = igrab(inode);
+	req->r_inode_drop = CEPH_CAP_XATTR_SHARED;
+	req->r_num_caps = 1;
+	req->r_args.setxattr.flags = cpu_to_le32(flags);
+	req->r_path2 = kstrdup(name, GFP_NOFS);
+
+	req->r_pages = pages;
+	req->r_num_pages = nr_pages;
+	req->r_data_len = size;
+
+	dout("xattr.ver (before): %lld\n", ci->i_xattrs.version);
+	err = ceph_mdsc_do_request(mdsc, parent_inode, req);
+	ceph_mdsc_put_request(req);
+	dout("xattr.ver (after): %lld\n", ci->i_xattrs.version);
+
+out:
+	if (pages) {
+		for (i = 0; i < nr_pages; i++)
+			__free_page(pages[i]);
+		kfree(pages);
+	}
+	return err;
+}
+
+int ceph_setxattr(struct dentry *dentry, const char *name,
+		  const void *value, size_t size, int flags)
+{
+	struct inode *inode = dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_vxattr_cb *vxattrs = ceph_inode_vxattrs(inode);
+	int err;
+	int name_len = strlen(name);
+	int val_len = size;
+	char *newname = NULL;
+	char *newval = NULL;
+	struct ceph_inode_xattr *xattr = NULL;
+	int issued;
+	int required_blob_size;
+
+	if (ceph_snap(inode) != CEPH_NOSNAP)
+		return -EROFS;
+
+	if (!ceph_is_valid_xattr(name))
+		return -EOPNOTSUPP;
+
+	if (vxattrs) {
+		struct ceph_vxattr_cb *vxattr =
+			ceph_match_vxattr(vxattrs, name);
+		if (vxattr && vxattr->readonly)
+			return -EOPNOTSUPP;
+	}
+
+	/* preallocate memory for xattr name, value, index node */
+	err = -ENOMEM;
+	newname = kmalloc(name_len + 1, GFP_NOFS);
+	if (!newname)
+		goto out;
+	memcpy(newname, name, name_len + 1);
+
+	if (val_len) {
+		newval = kmalloc(val_len + 1, GFP_NOFS);
+		if (!newval)
+			goto out;
+		memcpy(newval, value, val_len);
+		newval[val_len] = '\0';
+	}
+
+	xattr = kmalloc(sizeof(struct ceph_inode_xattr), GFP_NOFS);
+	if (!xattr)
+		goto out;
+
+	spin_lock(&inode->i_lock);
+retry:
+	issued = __ceph_caps_issued(ci, NULL);
+	if (!(issued & CEPH_CAP_XATTR_EXCL))
+		goto do_sync;
+	__build_xattrs(inode);
+
+	required_blob_size = __get_required_blob_size(ci, name_len, val_len);
+
+	if (!ci->i_xattrs.prealloc_blob ||
+	    required_blob_size > ci->i_xattrs.prealloc_blob->alloc_len) {
+		struct ceph_buffer *blob = NULL;
+
+		spin_unlock(&inode->i_lock);
+		dout(" preaallocating new blob size=%d\n", required_blob_size);
+		blob = ceph_buffer_new(required_blob_size, GFP_NOFS);
+		if (!blob)
+			goto out;
+		spin_lock(&inode->i_lock);
+		if (ci->i_xattrs.prealloc_blob)
+			ceph_buffer_put(ci->i_xattrs.prealloc_blob);
+		ci->i_xattrs.prealloc_blob = blob;
+		goto retry;
+	}
+
+	dout("setxattr %p issued %s\n", inode, ceph_cap_string(issued));
+	err = __set_xattr(ci, newname, name_len, newval,
+			  val_len, 1, 1, 1, &xattr);
+	__ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL);
+	ci->i_xattrs.dirty = true;
+	inode->i_ctime = CURRENT_TIME;
+	spin_unlock(&inode->i_lock);
+
+	return err;
+
+do_sync:
+	spin_unlock(&inode->i_lock);
+	err = ceph_sync_setxattr(dentry, name, value, size, flags);
+out:
+	kfree(newname);
+	kfree(newval);
+	kfree(xattr);
+	return err;
+}
+
+static int ceph_send_removexattr(struct dentry *dentry, const char *name)
+{
+	struct ceph_client *client = ceph_client(dentry->d_sb);
+	struct ceph_mds_client *mdsc = &client->mdsc;
+	struct inode *inode = dentry->d_inode;
+	struct inode *parent_inode = dentry->d_parent->d_inode;
+	struct ceph_mds_request *req;
+	int err;
+
+	req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_RMXATTR,
+				       USE_AUTH_MDS);
+	if (IS_ERR(req))
+		return PTR_ERR(req);
+	req->r_inode = igrab(inode);
+	req->r_inode_drop = CEPH_CAP_XATTR_SHARED;
+	req->r_num_caps = 1;
+	req->r_path2 = kstrdup(name, GFP_NOFS);
+
+	err = ceph_mdsc_do_request(mdsc, parent_inode, req);
+	ceph_mdsc_put_request(req);
+	return err;
+}
+
+int ceph_removexattr(struct dentry *dentry, const char *name)
+{
+	struct inode *inode = dentry->d_inode;
+	struct ceph_inode_info *ci = ceph_inode(inode);
+	struct ceph_vxattr_cb *vxattrs = ceph_inode_vxattrs(inode);
+	int issued;
+	int err;
+
+	if (ceph_snap(inode) != CEPH_NOSNAP)
+		return -EROFS;
+
+	if (!ceph_is_valid_xattr(name))
+		return -EOPNOTSUPP;
+
+	if (vxattrs) {
+		struct ceph_vxattr_cb *vxattr =
+			ceph_match_vxattr(vxattrs, name);
+		if (vxattr && vxattr->readonly)
+			return -EOPNOTSUPP;
+	}
+
+	spin_lock(&inode->i_lock);
+	__build_xattrs(inode);
+	issued = __ceph_caps_issued(ci, NULL);
+	dout("removexattr %p issued %s\n", inode, ceph_cap_string(issued));
+
+	if (!(issued & CEPH_CAP_XATTR_EXCL))
+		goto do_sync;
+
+	err = __remove_xattr_by_name(ceph_inode(inode), name);
+	__ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL);
+	ci->i_xattrs.dirty = true;
+	inode->i_ctime = CURRENT_TIME;
+
+	spin_unlock(&inode->i_lock);
+
+	return err;
+do_sync:
+	spin_unlock(&inode->i_lock);
+	err = ceph_send_removexattr(dentry, name);
+	return err;
+}
+
diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES
index 49503d2edc7e..bc0025cdd1c9 100644
--- a/fs/cifs/CHANGES
+++ b/fs/cifs/CHANGES
@@ -1,6 +1,7 @@
 Version 1.62
 ------------
-Add sockopt=TCP_NODELAY mount option.
+Add sockopt=TCP_NODELAY mount option. EA (xattr) routines hardened
+to more strictly handle corrupt frames.
 
 Version 1.61
 ------------
diff --git a/fs/cifs/asn1.c b/fs/cifs/asn1.c
index 20692fbfdb24..a20bea598933 100644
--- a/fs/cifs/asn1.c
+++ b/fs/cifs/asn1.c
@@ -136,7 +136,7 @@ asn1_enum_decode(struct asn1_ctx *ctx, __le32 *val)
 		return 0;
 	}
 
-	ch = *(ctx->pointer)++; /* ch has 0xa, ptr points to lenght octet */
+	ch = *(ctx->pointer)++; /* ch has 0xa, ptr points to length octet */
 	if ((ch) == ASN1_ENUM)  /* if ch value is ENUM, 0xa */
 		*val = *(++(ctx->pointer)); /* value has enum value */
 	else
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index b44ce0a0711c..b1d61d0bdfc7 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -54,7 +54,7 @@ void cifs_dfs_release_automount_timer(void)
  * Extracts sharename form full UNC.
  * i.e. strips from UNC trailing path that is not part of share
  * name and fixup missing '\' in the begining of DFS node refferal
- * if neccessary.
+ * if necessary.
  * Returns pointer to share name on success or ERR_PTR on error.
  * Caller is responsible for freeing returned string.
  */
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 8c6a03627176..5183bc2a1916 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -312,6 +312,7 @@ cifs_alloc_inode(struct super_block *sb)
 	cifs_inode->clientCanCacheRead = false;
 	cifs_inode->clientCanCacheAll = false;
 	cifs_inode->delete_pending = false;
+	cifs_inode->invalid_mapping = false;
 	cifs_inode->vfs_inode.i_blkbits = 14;  /* 2**14 = CIFS_MAX_MSGSIZE */
 	cifs_inode->server_eof = 0;
 
@@ -638,7 +639,7 @@ static loff_t cifs_llseek(struct file *file, loff_t offset, int origin)
 		   setting the revalidate time to zero */
 		CIFS_I(file->f_path.dentry->d_inode)->time = 0;
 
-		retval = cifs_revalidate(file->f_path.dentry);
+		retval = cifs_revalidate_file(file);
 		if (retval < 0)
 			return (loff_t)retval;
 	}
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 78c1b86d55f6..7aa57ecdc437 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -61,7 +61,8 @@ extern int cifs_mkdir(struct inode *, struct dentry *, int);
 extern int cifs_rmdir(struct inode *, struct dentry *);
 extern int cifs_rename(struct inode *, struct dentry *, struct inode *,
 		       struct dentry *);
-extern int cifs_revalidate(struct dentry *);
+extern int cifs_revalidate_file(struct file *filp);
+extern int cifs_revalidate_dentry(struct dentry *);
 extern int cifs_getattr(struct vfsmount *, struct dentry *, struct kstat *);
 extern int cifs_setattr(struct dentry *, struct iattr *);
 
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index ed751bb657db..63c89d1d70b5 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -205,7 +205,7 @@ struct cifsUidInfo {
 struct cifsSesInfo {
 	struct list_head smb_ses_list;
 	struct list_head tcon_list;
-	struct semaphore sesSem;
+	struct mutex session_mutex;
 #if 0
 	struct cifsUidInfo *uidInfo;	/* pointer to user info */
 #endif
@@ -389,6 +389,7 @@ struct cifsInodeInfo {
 	bool clientCanCacheRead:1;	/* read oplock */
 	bool clientCanCacheAll:1;	/* read and writebehind oplock */
 	bool delete_pending:1;		/* DELETE_ON_CLOSE is set */
+	bool invalid_mapping:1;		/* pagecache is invalid */
 	u64  server_eof;		/* current file size on server */
 	u64  uniqueid;			/* server inode number */
 	struct inode vfs_inode;
diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index 3877737f96a6..14d036d8db11 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -415,10 +415,10 @@ struct smb_hdr {
 	__u8 WordCount;
 } __attribute__((packed));
 /* given a pointer to an smb_hdr retrieve the value of byte count */
-#define BCC(smb_var) (*(__u16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount)))
-#define BCC_LE(smb_var) (*(__le16 *)((char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount)))
+#define BCC(smb_var) (*(__u16 *)((char *)(smb_var) + sizeof(struct smb_hdr) + (2 * (smb_var)->WordCount)))
+#define BCC_LE(smb_var) (*(__le16 *)((char *)(smb_var) + sizeof(struct smb_hdr) + (2 * (smb_var)->WordCount)))
 /* given a pointer to an smb_hdr retrieve the pointer to the byte area */
-#define pByteArea(smb_var) ((unsigned char *)smb_var + sizeof(struct smb_hdr) + (2 * smb_var->WordCount) + 2)
+#define pByteArea(smb_var) ((unsigned char *)(smb_var) + sizeof(struct smb_hdr) + (2 * (smb_var)->WordCount) + 2)
 
 /*
  * Computer Name Length (since Netbios name was length 16 with last byte 0x20)
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index 5646727e33f5..39e47f46dea5 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -104,10 +104,12 @@ extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr);
 extern struct inode *cifs_iget(struct super_block *sb,
 			       struct cifs_fattr *fattr);
 
+extern int cifs_get_file_info(struct file *filp);
 extern int cifs_get_inode_info(struct inode **pinode,
 			const unsigned char *search_path,
 			FILE_ALL_INFO *pfile_info,
 			struct super_block *sb, int xid, const __u16 *pfid);
+extern int cifs_get_file_info_unix(struct file *filp);
 extern int cifs_get_inode_info_unix(struct inode **pinode,
 			const unsigned char *search_path,
 			struct super_block *sb, int xid);
@@ -142,6 +144,8 @@ extern int CIFSFindNext(const int xid, struct cifsTconInfo *tcon,
 extern int CIFSFindClose(const int, struct cifsTconInfo *tcon,
 			const __u16 search_handle);
 
+extern int CIFSSMBQFileInfo(const int xid, struct cifsTconInfo *tcon,
+			u16 netfid, FILE_ALL_INFO *pFindData);
 extern int CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
 			const unsigned char *searchName,
 			FILE_ALL_INFO *findData,
@@ -152,6 +156,8 @@ extern int SMBQueryInformation(const int xid, struct cifsTconInfo *tcon,
 			FILE_ALL_INFO *findData,
 			const struct nls_table *nls_codepage, int remap);
 
+extern int CIFSSMBUnixQFileInfo(const int xid, struct cifsTconInfo *tcon,
+			u16 netfid, FILE_UNIX_BASIC_INFO *pFindData);
 extern int CIFSSMBUnixQPathInfo(const int xid,
 			struct cifsTconInfo *tcon,
 			const unsigned char *searchName,
@@ -363,13 +369,10 @@ extern int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
 			__u32 filter, struct file *file, int multishot,
 			const struct nls_table *nls_codepage);
 extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
-			const unsigned char *searchName, char *EAData,
+			const unsigned char *searchName,
+			const unsigned char *ea_name, char *EAData,
 			size_t bufsize, const struct nls_table *nls_codepage,
 			int remap_special_chars);
-extern ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
-		const unsigned char *searchName, const unsigned char *ea_name,
-		unsigned char *ea_value, size_t buf_size,
-		const struct nls_table *nls_codepage, int remap_special_chars);
 extern int CIFSSMBSetEA(const int xid, struct cifsTconInfo *tcon,
 		const char *fileName, const char *ea_name,
 		const void *ea_value, const __u16 ea_value_len,
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 941441d3e386..7cc7f83e9314 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -170,19 +170,19 @@ cifs_reconnect_tcon(struct cifsTconInfo *tcon, int smb_command)
 	 * need to prevent multiple threads trying to simultaneously
 	 * reconnect the same SMB session
 	 */
-	down(&ses->sesSem);
+	mutex_lock(&ses->session_mutex);
 	if (ses->need_reconnect)
 		rc = cifs_setup_session(0, ses, nls_codepage);
 
 	/* do we need to reconnect tcon? */
 	if (rc || !tcon->need_reconnect) {
-		up(&ses->sesSem);
+		mutex_unlock(&ses->session_mutex);
 		goto out;
 	}
 
 	mark_open_files_invalid(tcon);
 	rc = CIFSTCon(0, ses, tcon->treeName, tcon, nls_codepage);
-	up(&ses->sesSem);
+	mutex_unlock(&ses->session_mutex);
 	cFYI(1, ("reconnect tcon rc = %d", rc));
 
 	if (rc)
@@ -500,7 +500,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
 	} else if (pSMBr->hdr.WordCount == 13) {
 		cERROR(1, ("mount failed, cifs module not built "
 			  "with CIFS_WEAK_PW_HASH support"));
-			rc = -EOPNOTSUPP;
+		rc = -EOPNOTSUPP;
 #endif /* WEAK_PW_HASH */
 		goto neg_err_exit;
 	} else if (pSMBr->hdr.WordCount != 17) {
@@ -700,13 +700,13 @@ CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses)
 	if (!ses || !ses->server)
 		return -EIO;
 
-	down(&ses->sesSem);
+	mutex_lock(&ses->session_mutex);
 	if (ses->need_reconnect)
 		goto session_already_dead; /* no need to send SMBlogoff if uid
 					      already closed due to reconnect */
 	rc = small_smb_init(SMB_COM_LOGOFF_ANDX, 2, NULL, (void **)&pSMB);
 	if (rc) {
-		up(&ses->sesSem);
+		mutex_unlock(&ses->session_mutex);
 		return rc;
 	}
 
@@ -721,7 +721,7 @@ CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses)
 	pSMB->AndXCommand = 0xFF;
 	rc = SendReceiveNoRsp(xid, ses, (struct smb_hdr *) pSMB, 0);
 session_already_dead:
-	up(&ses->sesSem);
+	mutex_unlock(&ses->session_mutex);
 
 	/* if session dead then we do not need to do ulogoff,
 		since server closed smb session, no sense reporting
@@ -3230,8 +3230,72 @@ QInfRetry:
 	return rc;
 }
 
+int
+CIFSSMBQFileInfo(const int xid, struct cifsTconInfo *tcon,
+		 u16 netfid, FILE_ALL_INFO *pFindData)
+{
+	struct smb_t2_qfi_req *pSMB = NULL;
+	struct smb_t2_qfi_rsp *pSMBr = NULL;
+	int rc = 0;
+	int bytes_returned;
+	__u16 params, byte_count;
+
+QFileInfoRetry:
+	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
+		      (void **) &pSMBr);
+	if (rc)
+		return rc;
+
+	params = 2 /* level */ + 2 /* fid */;
+	pSMB->t2.TotalDataCount = 0;
+	pSMB->t2.MaxParameterCount = cpu_to_le16(4);
+	/* BB find exact max data count below from sess structure BB */
+	pSMB->t2.MaxDataCount = cpu_to_le16(CIFSMaxBufSize);
+	pSMB->t2.MaxSetupCount = 0;
+	pSMB->t2.Reserved = 0;
+	pSMB->t2.Flags = 0;
+	pSMB->t2.Timeout = 0;
+	pSMB->t2.Reserved2 = 0;
+	pSMB->t2.ParameterOffset = cpu_to_le16(offsetof(struct smb_t2_qfi_req,
+					       Fid) - 4);
+	pSMB->t2.DataCount = 0;
+	pSMB->t2.DataOffset = 0;
+	pSMB->t2.SetupCount = 1;
+	pSMB->t2.Reserved3 = 0;
+	pSMB->t2.SubCommand = cpu_to_le16(TRANS2_QUERY_FILE_INFORMATION);
+	byte_count = params + 1 /* pad */ ;
+	pSMB->t2.TotalParameterCount = cpu_to_le16(params);
+	pSMB->t2.ParameterCount = pSMB->t2.TotalParameterCount;
+	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_ALL_INFO);
+	pSMB->Pad = 0;
+	pSMB->Fid = netfid;
+	pSMB->hdr.smb_buf_length += byte_count;
+
+	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
+			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
+	if (rc) {
+		cFYI(1, ("Send error in QPathInfo = %d", rc));
+	} else {		/* decode response */
+		rc = validate_t2((struct smb_t2_rsp *)pSMBr);
 
+		if (rc) /* BB add auto retry on EOPNOTSUPP? */
+			rc = -EIO;
+		else if (pSMBr->ByteCount < 40)
+			rc = -EIO;	/* bad smb */
+		else if (pFindData) {
+			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
+			memcpy((char *) pFindData,
+			       (char *) &pSMBr->hdr.Protocol +
+			       data_offset, sizeof(FILE_ALL_INFO));
+		} else
+		    rc = -ENOMEM;
+	}
+	cifs_buf_release(pSMB);
+	if (rc == -EAGAIN)
+		goto QFileInfoRetry;
 
+	return rc;
+}
 
 int
 CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
@@ -3335,6 +3399,75 @@ QPathInfoRetry:
 }
 
 int
+CIFSSMBUnixQFileInfo(const int xid, struct cifsTconInfo *tcon,
+		 u16 netfid, FILE_UNIX_BASIC_INFO *pFindData)
+{
+	struct smb_t2_qfi_req *pSMB = NULL;
+	struct smb_t2_qfi_rsp *pSMBr = NULL;
+	int rc = 0;
+	int bytes_returned;
+	__u16 params, byte_count;
+
+UnixQFileInfoRetry:
+	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
+		      (void **) &pSMBr);
+	if (rc)
+		return rc;
+
+	params = 2 /* level */ + 2 /* fid */;
+	pSMB->t2.TotalDataCount = 0;
+	pSMB->t2.MaxParameterCount = cpu_to_le16(4);
+	/* BB find exact max data count below from sess structure BB */
+	pSMB->t2.MaxDataCount = cpu_to_le16(CIFSMaxBufSize);
+	pSMB->t2.MaxSetupCount = 0;
+	pSMB->t2.Reserved = 0;
+	pSMB->t2.Flags = 0;
+	pSMB->t2.Timeout = 0;
+	pSMB->t2.Reserved2 = 0;
+	pSMB->t2.ParameterOffset = cpu_to_le16(offsetof(struct smb_t2_qfi_req,
+					       Fid) - 4);
+	pSMB->t2.DataCount = 0;
+	pSMB->t2.DataOffset = 0;
+	pSMB->t2.SetupCount = 1;
+	pSMB->t2.Reserved3 = 0;
+	pSMB->t2.SubCommand = cpu_to_le16(TRANS2_QUERY_FILE_INFORMATION);
+	byte_count = params + 1 /* pad */ ;
+	pSMB->t2.TotalParameterCount = cpu_to_le16(params);
+	pSMB->t2.ParameterCount = pSMB->t2.TotalParameterCount;
+	pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_UNIX_BASIC);
+	pSMB->Pad = 0;
+	pSMB->Fid = netfid;
+	pSMB->hdr.smb_buf_length += byte_count;
+
+	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
+			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
+	if (rc) {
+		cFYI(1, ("Send error in QPathInfo = %d", rc));
+	} else {		/* decode response */
+		rc = validate_t2((struct smb_t2_rsp *)pSMBr);
+
+		if (rc || (pSMBr->ByteCount < sizeof(FILE_UNIX_BASIC_INFO))) {
+			cERROR(1, ("Malformed FILE_UNIX_BASIC_INFO response.\n"
+				   "Unix Extensions can be disabled on mount "
+				   "by specifying the nosfu mount option."));
+			rc = -EIO;	/* bad smb */
+		} else {
+			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
+			memcpy((char *) pFindData,
+			       (char *) &pSMBr->hdr.Protocol +
+			       data_offset,
+			       sizeof(FILE_UNIX_BASIC_INFO));
+		}
+	}
+
+	cifs_buf_release(pSMB);
+	if (rc == -EAGAIN)
+		goto UnixQFileInfoRetry;
+
+	return rc;
+}
+
+int
 CIFSSMBUnixQPathInfo(const int xid, struct cifsTconInfo *tcon,
 		     const unsigned char *searchName,
 		     FILE_UNIX_BASIC_INFO *pFindData,
@@ -3886,7 +4019,7 @@ parse_DFS_referrals(TRANSACTION2_GET_DFS_REFER_RSP *pSMBr,
 		goto parse_DFS_referrals_exit;
 	}
 
-	/* collect neccessary data from referrals */
+	/* collect necessary data from referrals */
 	for (i = 0; i < *num_of_nodes; i++) {
 		char *temp;
 		int max_len;
@@ -5269,22 +5402,34 @@ int CIFSSMBNotify(const int xid, struct cifsTconInfo *tcon,
 	cifs_buf_release(pSMB);
 	return rc;
 }
+
 #ifdef CONFIG_CIFS_XATTR
+/*
+ * Do a path-based QUERY_ALL_EAS call and parse the result. This is a common
+ * function used by listxattr and getxattr type calls. When ea_name is set,
+ * it looks for that attribute name and stuffs that value into the EAData
+ * buffer. When ea_name is NULL, it stuffs a list of attribute names into the
+ * buffer. In both cases, the return value is either the length of the
+ * resulting data or a negative error code. If EAData is a NULL pointer then
+ * the data isn't copied to it, but the length is returned.
+ */
 ssize_t
 CIFSSMBQAllEAs(const int xid, struct cifsTconInfo *tcon,
-		 const unsigned char *searchName,
-		 char *EAData, size_t buf_size,
-		 const struct nls_table *nls_codepage, int remap)
+		const unsigned char *searchName, const unsigned char *ea_name,
+		char *EAData, size_t buf_size,
+		const struct nls_table *nls_codepage, int remap)
 {
 		/* BB assumes one setup word */
 	TRANSACTION2_QPI_REQ *pSMB = NULL;
 	TRANSACTION2_QPI_RSP *pSMBr = NULL;
 	int rc = 0;
 	int bytes_returned;
-	int name_len;
+	int list_len;
+	struct fealist *ea_response_data;
 	struct fea *temp_fea;
 	char *temp_ptr;
-	__u16 params, byte_count;
+	char *end_of_smb;
+	__u16 params, byte_count, data_offset;
 
 	cFYI(1, ("In Query All EAs path %s", searchName));
 QAllEAsRetry:
@@ -5294,22 +5439,22 @@ QAllEAsRetry:
 		return rc;
 
 	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
-		name_len =
+		list_len =
 		    cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,
 				     PATH_MAX, nls_codepage, remap);
-		name_len++;	/* trailing null */
-		name_len *= 2;
+		list_len++;	/* trailing null */
+		list_len *= 2;
 	} else {	/* BB improve the check for buffer overruns BB */
-		name_len = strnlen(searchName, PATH_MAX);
-		name_len++;	/* trailing null */
-		strncpy(pSMB->FileName, searchName, name_len);
+		list_len = strnlen(searchName, PATH_MAX);
+		list_len++;	/* trailing null */
+		strncpy(pSMB->FileName, searchName, list_len);
 	}
 
-	params = 2 /* level */ + 4 /* reserved */ + name_len /* includes NUL */;
+	params = 2 /* level */ + 4 /* reserved */ + list_len /* includes NUL */;
 	pSMB->TotalDataCount = 0;
 	pSMB->MaxParameterCount = cpu_to_le16(2);
 	/* BB find exact max SMB PDU from sess structure BB */
-	pSMB->MaxDataCount = cpu_to_le16(4000);
+	pSMB->MaxDataCount = cpu_to_le16(CIFSMaxBufSize);
 	pSMB->MaxSetupCount = 0;
 	pSMB->Reserved = 0;
 	pSMB->Flags = 0;
@@ -5334,237 +5479,117 @@ QAllEAsRetry:
 			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
 	if (rc) {
 		cFYI(1, ("Send error in QueryAllEAs = %d", rc));
-	} else {		/* decode response */
-		rc = validate_t2((struct smb_t2_rsp *)pSMBr);
+		goto QAllEAsOut;
+	}
 
-		/* BB also check enough total bytes returned */
-		/* BB we need to improve the validity checking
-		of these trans2 responses */
-		if (rc || (pSMBr->ByteCount < 4))
-			rc = -EIO;	/* bad smb */
-	   /* else if (pFindData){
-			memcpy((char *) pFindData,
-			       (char *) &pSMBr->hdr.Protocol +
-			       data_offset, kl);
-		}*/ else {
-			/* check that length of list is not more than bcc */
-			/* check that each entry does not go beyond length
-			   of list */
-			/* check that each element of each entry does not
-			   go beyond end of list */
-			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
-			struct fealist *ea_response_data;
-			rc = 0;
-			/* validate_trans2_offsets() */
-			/* BB check if start of smb + data_offset > &bcc+ bcc */
-			ea_response_data = (struct fealist *)
-				(((char *) &pSMBr->hdr.Protocol) +
-				data_offset);
-			name_len = le32_to_cpu(ea_response_data->list_len);
-			cFYI(1, ("ea length %d", name_len));
-			if (name_len <= 8) {
-			/* returned EA size zeroed at top of function */
-				cFYI(1, ("empty EA list returned from server"));
-			} else {
-				/* account for ea list len */
-				name_len -= 4;
-				temp_fea = ea_response_data->list;
-				temp_ptr = (char *)temp_fea;
-				while (name_len > 0) {
-					__u16 value_len;
-					name_len -= 4;
-					temp_ptr += 4;
-					rc += temp_fea->name_len;
-				/* account for prefix user. and trailing null */
-					rc = rc + 5 + 1;
-					if (rc < (int)buf_size) {
-						memcpy(EAData, "user.", 5);
-						EAData += 5;
-						memcpy(EAData, temp_ptr,
-						       temp_fea->name_len);
-						EAData += temp_fea->name_len;
-						/* null terminate name */
-						*EAData = 0;
-						EAData = EAData + 1;
-					} else if (buf_size == 0) {
-						/* skip copy - calc size only */
-					} else {
-						/* stop before overrun buffer */
-						rc = -ERANGE;
-						break;
-					}
-					name_len -= temp_fea->name_len;
-					temp_ptr += temp_fea->name_len;
-					/* account for trailing null */
-					name_len--;
-					temp_ptr++;
-					value_len =
-					      le16_to_cpu(temp_fea->value_len);
-					name_len -= value_len;
-					temp_ptr += value_len;
-					/* BB check that temp_ptr is still
-					      within the SMB BB*/
-
-					/* no trailing null to account for
-					   in value len */
-					/* go on to next EA */
-					temp_fea = (struct fea *)temp_ptr;
-				}
-			}
-		}
+
+	/* BB also check enough total bytes returned */
+	/* BB we need to improve the validity checking
+	of these trans2 responses */
+
+	rc = validate_t2((struct smb_t2_rsp *)pSMBr);
+	if (rc || (pSMBr->ByteCount < 4)) {
+		rc = -EIO;	/* bad smb */
+		goto QAllEAsOut;
 	}
-	cifs_buf_release(pSMB);
-	if (rc == -EAGAIN)
-		goto QAllEAsRetry;
 
-	return (ssize_t)rc;
-}
+	/* check that length of list is not more than bcc */
+	/* check that each entry does not go beyond length
+	   of list */
+	/* check that each element of each entry does not
+	   go beyond end of list */
+	/* validate_trans2_offsets() */
+	/* BB check if start of smb + data_offset > &bcc+ bcc */
 
-ssize_t CIFSSMBQueryEA(const int xid, struct cifsTconInfo *tcon,
-		const unsigned char *searchName, const unsigned char *ea_name,
-		unsigned char *ea_value, size_t buf_size,
-		const struct nls_table *nls_codepage, int remap)
-{
-	TRANSACTION2_QPI_REQ *pSMB = NULL;
-	TRANSACTION2_QPI_RSP *pSMBr = NULL;
-	int rc = 0;
-	int bytes_returned;
-	int name_len;
-	struct fea *temp_fea;
-	char *temp_ptr;
-	__u16 params, byte_count;
+	data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
+	ea_response_data = (struct fealist *)
+				(((char *) &pSMBr->hdr.Protocol) + data_offset);
 
-	cFYI(1, ("In Query EA path %s", searchName));
-QEARetry:
-	rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
-		      (void **) &pSMBr);
-	if (rc)
-		return rc;
+	list_len = le32_to_cpu(ea_response_data->list_len);
+	cFYI(1, ("ea length %d", list_len));
+	if (list_len <= 8) {
+		cFYI(1, ("empty EA list returned from server"));
+		goto QAllEAsOut;
+	}
 
-	if (pSMB->hdr.Flags2 & SMBFLG2_UNICODE) {
-		name_len =
-		    cifsConvertToUCS((__le16 *) pSMB->FileName, searchName,
-				     PATH_MAX, nls_codepage, remap);
-		name_len++;	/* trailing null */
-		name_len *= 2;
-	} else {	/* BB improve the check for buffer overruns BB */
-		name_len = strnlen(searchName, PATH_MAX);
-		name_len++;	/* trailing null */
-		strncpy(pSMB->FileName, searchName, name_len);
+	/* make sure list_len doesn't go past end of SMB */
+	end_of_smb = (char *)pByteArea(&pSMBr->hdr) + BCC(&pSMBr->hdr);
+	if ((char *)ea_response_data + list_len > end_of_smb) {
+		cFYI(1, ("EA list appears to go beyond SMB"));
+		rc = -EIO;
+		goto QAllEAsOut;
 	}
 
-	params = 2 /* level */ + 4 /* reserved */ + name_len /* includes NUL */;
-	pSMB->TotalDataCount = 0;
-	pSMB->MaxParameterCount = cpu_to_le16(2);
-	/* BB find exact max SMB PDU from sess structure BB */
-	pSMB->MaxDataCount = cpu_to_le16(4000);
-	pSMB->MaxSetupCount = 0;
-	pSMB->Reserved = 0;
-	pSMB->Flags = 0;
-	pSMB->Timeout = 0;
-	pSMB->Reserved2 = 0;
-	pSMB->ParameterOffset = cpu_to_le16(offsetof(
-		struct smb_com_transaction2_qpi_req, InformationLevel) - 4);
-	pSMB->DataCount = 0;
-	pSMB->DataOffset = 0;
-	pSMB->SetupCount = 1;
-	pSMB->Reserved3 = 0;
-	pSMB->SubCommand = cpu_to_le16(TRANS2_QUERY_PATH_INFORMATION);
-	byte_count = params + 1 /* pad */ ;
-	pSMB->TotalParameterCount = cpu_to_le16(params);
-	pSMB->ParameterCount = pSMB->TotalParameterCount;
-	pSMB->InformationLevel = cpu_to_le16(SMB_INFO_QUERY_ALL_EAS);
-	pSMB->Reserved4 = 0;
-	pSMB->hdr.smb_buf_length += byte_count;
-	pSMB->ByteCount = cpu_to_le16(byte_count);
+	/* account for ea list len */
+	list_len -= 4;
+	temp_fea = ea_response_data->list;
+	temp_ptr = (char *)temp_fea;
+	while (list_len > 0) {
+		unsigned int name_len;
+		__u16 value_len;
+
+		list_len -= 4;
+		temp_ptr += 4;
+		/* make sure we can read name_len and value_len */
+		if (list_len < 0) {
+			cFYI(1, ("EA entry goes beyond length of list"));
+			rc = -EIO;
+			goto QAllEAsOut;
+		}
 
-	rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
-			 (struct smb_hdr *) pSMBr, &bytes_returned, 0);
-	if (rc) {
-		cFYI(1, ("Send error in Query EA = %d", rc));
-	} else {		/* decode response */
-		rc = validate_t2((struct smb_t2_rsp *)pSMBr);
+		name_len = temp_fea->name_len;
+		value_len = le16_to_cpu(temp_fea->value_len);
+		list_len -= name_len + 1 + value_len;
+		if (list_len < 0) {
+			cFYI(1, ("EA entry goes beyond length of list"));
+			rc = -EIO;
+			goto QAllEAsOut;
+		}
 
-		/* BB also check enough total bytes returned */
-		/* BB we need to improve the validity checking
-		of these trans2 responses */
-		if (rc || (pSMBr->ByteCount < 4))
-			rc = -EIO;	/* bad smb */
-	   /* else if (pFindData){
-			memcpy((char *) pFindData,
-			       (char *) &pSMBr->hdr.Protocol +
-			       data_offset, kl);
-		}*/ else {
-			/* check that length of list is not more than bcc */
-			/* check that each entry does not go beyond length
-			   of list */
-			/* check that each element of each entry does not
-			   go beyond end of list */
-			__u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
-			struct fealist *ea_response_data;
-			rc = -ENODATA;
-			/* validate_trans2_offsets() */
-			/* BB check if start of smb + data_offset > &bcc+ bcc*/
-			ea_response_data = (struct fealist *)
-				(((char *) &pSMBr->hdr.Protocol) +
-				data_offset);
-			name_len = le32_to_cpu(ea_response_data->list_len);
-			cFYI(1, ("ea length %d", name_len));
-			if (name_len <= 8) {
-			/* returned EA size zeroed at top of function */
-				cFYI(1, ("empty EA list returned from server"));
-			} else {
-				/* account for ea list len */
-				name_len -= 4;
-				temp_fea = ea_response_data->list;
-				temp_ptr = (char *)temp_fea;
-				/* loop through checking if we have a matching
-				name and then return the associated value */
-				while (name_len > 0) {
-					__u16 value_len;
-					name_len -= 4;
-					temp_ptr += 4;
-					value_len =
-					      le16_to_cpu(temp_fea->value_len);
-				/* BB validate that value_len falls within SMB,
-				even though maximum for name_len is 255 */
-					if (memcmp(temp_fea->name, ea_name,
-						  temp_fea->name_len) == 0) {
-						/* found a match */
-						rc = value_len;
-				/* account for prefix user. and trailing null */
-						if (rc <= (int)buf_size) {
-							memcpy(ea_value,
-								temp_fea->name+temp_fea->name_len+1,
-								rc);
-							/* ea values, unlike ea
-							   names, are not null
-							   terminated */
-						} else if (buf_size == 0) {
-						/* skip copy - calc size only */
-						} else {
-						/* stop before overrun buffer */
-							rc = -ERANGE;
-						}
-						break;
-					}
-					name_len -= temp_fea->name_len;
-					temp_ptr += temp_fea->name_len;
-					/* account for trailing null */
-					name_len--;
-					temp_ptr++;
-					name_len -= value_len;
-					temp_ptr += value_len;
-					/* No trailing null to account for in
-					   value_len.  Go on to next EA */
-					temp_fea = (struct fea *)temp_ptr;
+		if (ea_name) {
+			if (strncmp(ea_name, temp_ptr, name_len) == 0) {
+				temp_ptr += name_len + 1;
+				rc = value_len;
+				if (buf_size == 0)
+					goto QAllEAsOut;
+				if ((size_t)value_len > buf_size) {
+					rc = -ERANGE;
+					goto QAllEAsOut;
 				}
+				memcpy(EAData, temp_ptr, value_len);
+				goto QAllEAsOut;
+			}
+		} else {
+			/* account for prefix user. and trailing null */
+			rc += (5 + 1 + name_len);
+			if (rc < (int) buf_size) {
+				memcpy(EAData, "user.", 5);
+				EAData += 5;
+				memcpy(EAData, temp_ptr, name_len);
+				EAData += name_len;
+				/* null terminate name */
+				*EAData = 0;
+				++EAData;
+			} else if (buf_size == 0) {
+				/* skip copy - calc size only */
+			} else {
+				/* stop before overrun buffer */
+				rc = -ERANGE;
+				break;
 			}
 		}
+		temp_ptr += name_len + 1 + value_len;
+		temp_fea = (struct fea *)temp_ptr;
 	}
+
+	/* didn't find the named attribute */
+	if (ea_name)
+		rc = -ENODATA;
+
+QAllEAsOut:
 	cifs_buf_release(pSMB);
 	if (rc == -EAGAIN)
-		goto QEARetry;
+		goto QAllEAsRetry;
 
 	return (ssize_t)rc;
 }
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 2e9e09ca0e30..45eb6cba793f 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2388,13 +2388,13 @@ try_mount_again:
 		 */
 		cifs_put_tcp_session(srvTcp);
 
-		down(&pSesInfo->sesSem);
+		mutex_lock(&pSesInfo->session_mutex);
 		if (pSesInfo->need_reconnect) {
 			cFYI(1, ("Session needs reconnect"));
 			rc = cifs_setup_session(xid, pSesInfo,
 						cifs_sb->local_nls);
 		}
-		up(&pSesInfo->sesSem);
+		mutex_unlock(&pSesInfo->session_mutex);
 	} else if (!rc) {
 		cFYI(1, ("Existing smb sess not found"));
 		pSesInfo = sesInfoAlloc();
@@ -2437,12 +2437,12 @@ try_mount_again:
 		}
 		pSesInfo->linux_uid = volume_info->linux_uid;
 		pSesInfo->overrideSecFlg = volume_info->secFlg;
-		down(&pSesInfo->sesSem);
+		mutex_lock(&pSesInfo->session_mutex);
 
 		/* BB FIXME need to pass vol->secFlgs BB */
 		rc = cifs_setup_session(xid, pSesInfo,
 					cifs_sb->local_nls);
-		up(&pSesInfo->sesSem);
+		mutex_unlock(&pSesInfo->session_mutex);
 	}
 
 	/* search for existing tcon to this server share */
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 6ccf7262d1b7..e9f7ecc2714b 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -739,7 +739,7 @@ cifs_d_revalidate(struct dentry *direntry, struct nameidata *nd)
 	int isValid = 1;
 
 	if (direntry->d_inode) {
-		if (cifs_revalidate(direntry))
+		if (cifs_revalidate_dentry(direntry))
 			return 0;
 	} else {
 		cFYI(1, ("neg dentry 0x%p name = %s",
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 057e1dae12ab..ca2ba7a0193c 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -219,8 +219,8 @@ static inline int cifs_open_inode_helper(struct inode *inode, struct file *file,
 		cFYI(1, ("inode unchanged on server"));
 	} else {
 		if (file->f_path.dentry->d_inode->i_mapping) {
-		/* BB no need to lock inode until after invalidate
-		   since namei code should already have it locked? */
+			/* BB no need to lock inode until after invalidate
+			since namei code should already have it locked? */
 			rc = filemap_write_and_wait(file->f_path.dentry->d_inode->i_mapping);
 			if (rc != 0)
 				CIFS_I(file->f_path.dentry->d_inode)->write_behind_rc = rc;
@@ -1890,11 +1890,10 @@ static ssize_t cifs_read(struct file *file, char *read_data, size_t read_size,
 
 int cifs_file_mmap(struct file *file, struct vm_area_struct *vma)
 {
-	struct dentry *dentry = file->f_path.dentry;
 	int rc, xid;
 
 	xid = GetXid();
-	rc = cifs_revalidate(dentry);
+	rc = cifs_revalidate_file(file);
 	if (rc) {
 		cFYI(1, ("Validation prior to mmap failed, error=%d", rc));
 		FreeXid(xid);
@@ -2289,9 +2288,9 @@ cifs_oplock_break(struct slow_work *work)
 	if (inode && S_ISREG(inode->i_mode)) {
 #ifdef CONFIG_CIFS_EXPERIMENTAL
 		if (cinode->clientCanCacheAll == 0)
-			break_lease(inode, FMODE_READ);
+			break_lease(inode, O_RDONLY);
 		else if (cinode->clientCanCacheRead == 0)
-			break_lease(inode, FMODE_WRITE);
+			break_lease(inode, O_WRONLY);
 #endif
 		rc = filemap_fdatawrite(inode->i_mapping);
 		if (cinode->clientCanCacheRead == 0) {
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index e3fda978f481..723daaccbd0e 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -77,6 +77,41 @@ static void cifs_set_ops(struct inode *inode, const bool is_dfs_referral)
 	}
 }
 
+/* check inode attributes against fattr. If they don't match, tag the
+ * inode for cache invalidation
+ */
+static void
+cifs_revalidate_cache(struct inode *inode, struct cifs_fattr *fattr)
+{
+	struct cifsInodeInfo *cifs_i = CIFS_I(inode);
+
+	cFYI(1, ("%s: revalidating inode %llu", __func__, cifs_i->uniqueid));
+
+	if (inode->i_state & I_NEW) {
+		cFYI(1, ("%s: inode %llu is new", __func__, cifs_i->uniqueid));
+		return;
+	}
+
+	/* don't bother with revalidation if we have an oplock */
+	if (cifs_i->clientCanCacheRead) {
+		cFYI(1, ("%s: inode %llu is oplocked", __func__,
+			 cifs_i->uniqueid));
+		return;
+	}
+
+	 /* revalidate if mtime or size have changed */
+	if (timespec_equal(&inode->i_mtime, &fattr->cf_mtime) &&
+	    cifs_i->server_eof == fattr->cf_eof) {
+		cFYI(1, ("%s: inode %llu is unchanged", __func__,
+			 cifs_i->uniqueid));
+		return;
+	}
+
+	cFYI(1, ("%s: invalidating inode %llu mapping", __func__,
+		 cifs_i->uniqueid));
+	cifs_i->invalid_mapping = true;
+}
+
 /* populate an inode with info from a cifs_fattr struct */
 void
 cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
@@ -85,6 +120,8 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
 	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
 	unsigned long oldtime = cifs_i->time;
 
+	cifs_revalidate_cache(inode, fattr);
+
 	inode->i_atime = fattr->cf_atime;
 	inode->i_mtime = fattr->cf_mtime;
 	inode->i_ctime = fattr->cf_ctime;
@@ -111,6 +148,7 @@ cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr)
 
 	cifs_i->delete_pending = fattr->cf_flags & CIFS_FATTR_DELETE_PENDING;
 
+	cifs_i->server_eof = fattr->cf_eof;
 	/*
 	 * Can't safely change the file size here if the client is writing to
 	 * it due to potential races.
@@ -230,6 +268,31 @@ cifs_create_dfs_fattr(struct cifs_fattr *fattr, struct super_block *sb)
 	fattr->cf_flags |= CIFS_FATTR_DFS_REFERRAL;
 }
 
+int cifs_get_file_info_unix(struct file *filp)
+{
+	int rc;
+	int xid;
+	FILE_UNIX_BASIC_INFO find_data;
+	struct cifs_fattr fattr;
+	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+	struct cifsTconInfo *tcon = cifs_sb->tcon;
+	struct cifsFileInfo *cfile = (struct cifsFileInfo *) filp->private_data;
+
+	xid = GetXid();
+	rc = CIFSSMBUnixQFileInfo(xid, tcon, cfile->netfid, &find_data);
+	if (!rc) {
+		cifs_unix_basic_to_fattr(&fattr, &find_data, cifs_sb);
+	} else if (rc == -EREMOTE) {
+		cifs_create_dfs_fattr(&fattr, inode->i_sb);
+		rc = 0;
+	}
+
+	cifs_fattr_to_inode(inode, &fattr);
+	FreeXid(xid);
+	return rc;
+}
+
 int cifs_get_inode_info_unix(struct inode **pinode,
 			     const unsigned char *full_path,
 			     struct super_block *sb, int xid)
@@ -366,7 +429,7 @@ static int cifs_sfu_mode(struct cifs_fattr *fattr, const unsigned char *path,
 	char ea_value[4];
 	__u32 mode;
 
-	rc = CIFSSMBQueryEA(xid, cifs_sb->tcon, path, "SETFILEBITS",
+	rc = CIFSSMBQAllEAs(xid, cifs_sb->tcon, path, "SETFILEBITS",
 			    ea_value, 4 /* size of buf */, cifs_sb->local_nls,
 			    cifs_sb->mnt_cifs_flags &
 				CIFS_MOUNT_MAP_SPECIAL_CHR);
@@ -431,6 +494,47 @@ cifs_all_info_to_fattr(struct cifs_fattr *fattr, FILE_ALL_INFO *info,
 	fattr->cf_gid = cifs_sb->mnt_gid;
 }
 
+int cifs_get_file_info(struct file *filp)
+{
+	int rc;
+	int xid;
+	FILE_ALL_INFO find_data;
+	struct cifs_fattr fattr;
+	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+	struct cifsTconInfo *tcon = cifs_sb->tcon;
+	struct cifsFileInfo *cfile = (struct cifsFileInfo *) filp->private_data;
+
+	xid = GetXid();
+	rc = CIFSSMBQFileInfo(xid, tcon, cfile->netfid, &find_data);
+	if (rc == -EOPNOTSUPP || rc == -EINVAL) {
+		/*
+		 * FIXME: legacy server -- fall back to path-based call?
+		 * for now, just skip revalidating and mark inode for
+		 * immediate reval.
+		 */
+		rc = 0;
+		CIFS_I(inode)->time = 0;
+		goto cgfi_exit;
+	} else if (rc == -EREMOTE) {
+		cifs_create_dfs_fattr(&fattr, inode->i_sb);
+		rc = 0;
+	} else if (rc)
+		goto cgfi_exit;
+
+	/*
+	 * don't bother with SFU junk here -- just mark inode as needing
+	 * revalidation.
+	 */
+	cifs_all_info_to_fattr(&fattr, &find_data, cifs_sb, false);
+	fattr.cf_uniqueid = CIFS_I(inode)->uniqueid;
+	fattr.cf_flags |= CIFS_FATTR_NEED_REVAL;
+	cifs_fattr_to_inode(inode, &fattr);
+cgfi_exit:
+	FreeXid(xid);
+	return rc;
+}
+
 int cifs_get_inode_info(struct inode **pinode,
 	const unsigned char *full_path, FILE_ALL_INFO *pfindData,
 	struct super_block *sb, int xid, const __u16 *pfid)
@@ -1388,135 +1492,103 @@ cifs_rename_exit:
 	return rc;
 }
 
-int cifs_revalidate(struct dentry *direntry)
+static bool
+cifs_inode_needs_reval(struct inode *inode)
 {
-	int xid;
-	int rc = 0, wbrc = 0;
-	char *full_path;
-	struct cifs_sb_info *cifs_sb;
-	struct cifsInodeInfo *cifsInode;
-	loff_t local_size;
-	struct timespec local_mtime;
-	bool invalidate_inode = false;
+	struct cifsInodeInfo *cifs_i = CIFS_I(inode);
 
-	if (direntry->d_inode == NULL)
-		return -ENOENT;
+	if (cifs_i->clientCanCacheRead)
+		return false;
 
-	cifsInode = CIFS_I(direntry->d_inode);
+	if (!lookupCacheEnabled)
+		return true;
 
-	if (cifsInode == NULL)
-		return -ENOENT;
+	if (cifs_i->time == 0)
+		return true;
 
-	/* no sense revalidating inode info on file that no one can write */
-	if (CIFS_I(direntry->d_inode)->clientCanCacheRead)
-		return rc;
+	/* FIXME: the actimeo should be tunable */
+	if (time_after_eq(jiffies, cifs_i->time + HZ))
+		return true;
+
+	return false;
+}
+
+/* check invalid_mapping flag and zap the cache if it's set */
+static void
+cifs_invalidate_mapping(struct inode *inode)
+{
+	int rc;
+	struct cifsInodeInfo *cifs_i = CIFS_I(inode);
+
+	cifs_i->invalid_mapping = false;
+
+	/* write back any cached data */
+	if (inode->i_mapping && inode->i_mapping->nrpages != 0) {
+		rc = filemap_write_and_wait(inode->i_mapping);
+		if (rc)
+			cifs_i->write_behind_rc = rc;
+	}
+	invalidate_remote_inode(inode);
+}
+
+int cifs_revalidate_file(struct file *filp)
+{
+	int rc = 0;
+	struct inode *inode = filp->f_path.dentry->d_inode;
+
+	if (!cifs_inode_needs_reval(inode))
+		goto check_inval;
+
+	if (CIFS_SB(inode->i_sb)->tcon->unix_ext)
+		rc = cifs_get_file_info_unix(filp);
+	else
+		rc = cifs_get_file_info(filp);
+
+check_inval:
+	if (CIFS_I(inode)->invalid_mapping)
+		cifs_invalidate_mapping(inode);
+
+	return rc;
+}
+
+/* revalidate a dentry's inode attributes */
+int cifs_revalidate_dentry(struct dentry *dentry)
+{
+	int xid;
+	int rc = 0;
+	char *full_path = NULL;
+	struct inode *inode = dentry->d_inode;
+	struct super_block *sb = dentry->d_sb;
+
+	if (inode == NULL)
+		return -ENOENT;
 
 	xid = GetXid();
 
-	cifs_sb = CIFS_SB(direntry->d_sb);
+	if (!cifs_inode_needs_reval(inode))
+		goto check_inval;
 
 	/* can not safely grab the rename sem here if rename calls revalidate
 	   since that would deadlock */
-	full_path = build_path_from_dentry(direntry);
+	full_path = build_path_from_dentry(dentry);
 	if (full_path == NULL) {
 		rc = -ENOMEM;
-		FreeXid(xid);
-		return rc;
-	}
-	cFYI(1, ("Revalidate: %s inode 0x%p count %d dentry: 0x%p d_time %ld "
-		 "jiffies %ld", full_path, direntry->d_inode,
-		 direntry->d_inode->i_count.counter, direntry,
-		 direntry->d_time, jiffies));
-
-	if (cifsInode->time == 0) {
-		/* was set to zero previously to force revalidate */
-	} else if (time_before(jiffies, cifsInode->time + HZ) &&
-		   lookupCacheEnabled) {
-		if ((S_ISREG(direntry->d_inode->i_mode) == 0) ||
-		    (direntry->d_inode->i_nlink == 1)) {
-			kfree(full_path);
-			FreeXid(xid);
-			return rc;
-		} else {
-			cFYI(1, ("Have to revalidate file due to hardlinks"));
-		}
-	}
-
-	/* save mtime and size */
-	local_mtime = direntry->d_inode->i_mtime;
-	local_size = direntry->d_inode->i_size;
-
-	if (cifs_sb->tcon->unix_ext) {
-		rc = cifs_get_inode_info_unix(&direntry->d_inode, full_path,
-					      direntry->d_sb, xid);
-		if (rc) {
-			cFYI(1, ("error on getting revalidate info %d", rc));
-/*			if (rc != -ENOENT)
-				rc = 0; */	/* BB should we cache info on
-						   certain errors? */
-		}
-	} else {
-		rc = cifs_get_inode_info(&direntry->d_inode, full_path, NULL,
-					 direntry->d_sb, xid, NULL);
-		if (rc) {
-			cFYI(1, ("error on getting revalidate info %d", rc));
-/*			if (rc != -ENOENT)
-				rc = 0; */	/* BB should we cache info on
-						   certain errors? */
-		}
+		goto check_inval;
 	}
-	/* should we remap certain errors, access denied?, to zero */
 
-	/* if not oplocked, we invalidate inode pages if mtime or file size
-	   had changed on server */
+	cFYI(1, ("Revalidate: %s inode 0x%p count %d dentry: 0x%p d_time %ld "
+		 "jiffies %ld", full_path, inode, inode->i_count.counter,
+		 dentry, dentry->d_time, jiffies));
 
-	if (timespec_equal(&local_mtime, &direntry->d_inode->i_mtime) &&
-	    (local_size == direntry->d_inode->i_size)) {
-		cFYI(1, ("cifs_revalidate - inode unchanged"));
-	} else {
-		/* file may have changed on server */
-		if (cifsInode->clientCanCacheRead) {
-			/* no need to invalidate inode pages since we were the
-			   only ones who could have modified the file and the
-			   server copy is staler than ours */
-		} else {
-			invalidate_inode = true;
-		}
-	}
+	if (CIFS_SB(sb)->tcon->unix_ext)
+		rc = cifs_get_inode_info_unix(&inode, full_path, sb, xid);
+	else
+		rc = cifs_get_inode_info(&inode, full_path, NULL, sb,
+					 xid, NULL);
 
-	/* can not grab this sem since kernel filesys locking documentation
-	   indicates i_mutex may be taken by the kernel on lookup and rename
-	   which could deadlock if we grab the i_mutex here as well */
-/*	mutex_lock(&direntry->d_inode->i_mutex);*/
-	/* need to write out dirty pages here  */
-	if (direntry->d_inode->i_mapping) {
-		/* do we need to lock inode until after invalidate completes
-		   below? */
-		wbrc = filemap_fdatawrite(direntry->d_inode->i_mapping);
-		if (wbrc)
-			CIFS_I(direntry->d_inode)->write_behind_rc = wbrc;
-	}
-	if (invalidate_inode) {
-	/* shrink_dcache not necessary now that cifs dentry ops
-	are exported for negative dentries */
-/*		if (S_ISDIR(direntry->d_inode->i_mode))
-			shrink_dcache_parent(direntry); */
-		if (S_ISREG(direntry->d_inode->i_mode)) {
-			if (direntry->d_inode->i_mapping) {
-				wbrc = filemap_fdatawait(direntry->d_inode->i_mapping);
-				if (wbrc)
-					CIFS_I(direntry->d_inode)->write_behind_rc = wbrc;
-			}
-			/* may eventually have to do this for open files too */
-			if (list_empty(&(cifsInode->openFileList))) {
-				/* changed on server - flush read ahead pages */
-				cFYI(1, ("Invalidating read ahead data on "
-					 "closed file"));
-				invalidate_remote_inode(direntry->d_inode);
-			}
-		}
-	}
-/*	mutex_unlock(&direntry->d_inode->i_mutex); */
+check_inval:
+	if (CIFS_I(inode)->invalid_mapping)
+		cifs_invalidate_mapping(inode);
 
 	kfree(full_path);
 	FreeXid(xid);
@@ -1526,7 +1598,7 @@ int cifs_revalidate(struct dentry *direntry)
 int cifs_getattr(struct vfsmount *mnt, struct dentry *dentry,
 	struct kstat *stat)
 {
-	int err = cifs_revalidate(dentry);
+	int err = cifs_revalidate_dentry(dentry);
 	if (!err) {
 		generic_fillattr(dentry->d_inode, stat);
 		stat->blksize = CIFS_MAX_MSGSIZE;
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index d27d4ec6579b..d1474996a812 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -79,7 +79,7 @@ sesInfoAlloc(void)
 		++ret_buf->ses_count;
 		INIT_LIST_HEAD(&ret_buf->smb_ses_list);
 		INIT_LIST_HEAD(&ret_buf->tcon_list);
-		init_MUTEX(&ret_buf->sesSem);
+		mutex_init(&ret_buf->session_mutex);
 	}
 	return ret_buf;
 }
diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c
index a75afa3dd9e1..3e2ef0de1209 100644
--- a/fs/cifs/xattr.c
+++ b/fs/cifs/xattr.c
@@ -244,7 +244,7 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name,
 			/* revalidate/getattr then populate from inode */
 		} /* BB add else when above is implemented */
 		ea_name += 5; /* skip past user. prefix */
-		rc = CIFSSMBQueryEA(xid, pTcon, full_path, ea_name, ea_value,
+		rc = CIFSSMBQAllEAs(xid, pTcon, full_path, ea_name, ea_value,
 			buf_size, cifs_sb->local_nls,
 			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
 	} else if (strncmp(ea_name, CIFS_XATTR_OS2_PREFIX, 4) == 0) {
@@ -252,7 +252,7 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name,
 			goto get_ea_exit;
 
 		ea_name += 4; /* skip past os2. prefix */
-		rc = CIFSSMBQueryEA(xid, pTcon, full_path, ea_name, ea_value,
+		rc = CIFSSMBQAllEAs(xid, pTcon, full_path, ea_name, ea_value,
 			buf_size, cifs_sb->local_nls,
 			cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
 	} else if (strncmp(ea_name, POSIX_ACL_XATTR_ACCESS,
@@ -364,8 +364,8 @@ ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size)
 	/* if proc/fs/cifs/streamstoxattr is set then
 		search server for EAs or streams to
 		returns as xattrs */
-	rc = CIFSSMBQAllEAs(xid, pTcon, full_path, data, buf_size,
-				cifs_sb->local_nls,
+	rc = CIFSSMBQAllEAs(xid, pTcon, full_path, NULL, data,
+				buf_size, cifs_sb->local_nls,
 				cifs_sb->mnt_cifs_flags &
 					CIFS_MOUNT_MAP_SPECIAL_CHR);
 
diff --git a/fs/compat.c b/fs/compat.c
index 00d90c2e66f0..030602d453b7 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1795,6 +1795,24 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
 	return ret;
 }
 
+struct compat_sel_arg_struct {
+	compat_ulong_t n;
+	compat_uptr_t inp;
+	compat_uptr_t outp;
+	compat_uptr_t exp;
+	compat_uptr_t tvp;
+};
+
+asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg)
+{
+	struct compat_sel_arg_struct a;
+
+	if (copy_from_user(&a, arg, sizeof(a)))
+		return -EFAULT;
+	return compat_sys_select(a.n, compat_ptr(a.inp), compat_ptr(a.outp),
+				 compat_ptr(a.exp), compat_ptr(a.tvp));
+}
+
 #ifdef HAVE_SET_RESTORE_SIGMASK
 static long do_compat_pselect(int n, compat_ulong_t __user *inp,
 	compat_ulong_t __user *outp, compat_ulong_t __user *exp,
diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c
index 0adced2f296f..112e45a17e99 100644
--- a/fs/compat_binfmt_elf.c
+++ b/fs/compat_binfmt_elf.c
@@ -28,10 +28,12 @@
 
 #undef	elfhdr
 #undef	elf_phdr
+#undef	elf_shdr
 #undef	elf_note
 #undef	elf_addr_t
 #define elfhdr		elf32_hdr
 #define elf_phdr	elf32_phdr
+#define elf_shdr	elf32_shdr
 #define elf_note	elf32_note
 #define elf_addr_t	Elf32_Addr
 
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index 0ca9ec4a79c3..6d55b61bfa79 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -545,7 +545,7 @@ static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, void __user *argp)
 		kcmd = MTIOCPOS;
 		karg = &pos;
 		break;
-	case MTIOCGET32:
+	default:	/* MTIOCGET32 */
 		kcmd = MTIOCGET;
 		karg = &get;
 		break;
@@ -663,7 +663,7 @@ static int raw_ioctl(unsigned fd, unsigned cmd,
 
         switch (cmd) {
         case RAW_SETBIND:
-        case RAW_GETBIND: {
+	default: {	/* RAW_GETBIND */
                 struct raw_config_request req;
                 mm_segment_t oldfs = get_fs();
 
diff --git a/fs/dcache.c b/fs/dcache.c
index 953173a293a9..f1358e5c3a59 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -257,6 +257,7 @@ kill_it:
 	if (dentry)
 		goto repeat;
 }
+EXPORT_SYMBOL(dput);
 
 /**
  * d_invalidate - invalidate a dentry
@@ -314,6 +315,7 @@ int d_invalidate(struct dentry * dentry)
 	spin_unlock(&dcache_lock);
 	return 0;
 }
+EXPORT_SYMBOL(d_invalidate);
 
 /* This should be called _only_ with dcache_lock held */
 
@@ -328,6 +330,7 @@ struct dentry * dget_locked(struct dentry *dentry)
 {
 	return __dget_locked(dentry);
 }
+EXPORT_SYMBOL(dget_locked);
 
 /**
  * d_find_alias - grab a hashed alias of inode
@@ -384,6 +387,7 @@ struct dentry * d_find_alias(struct inode *inode)
 	}
 	return de;
 }
+EXPORT_SYMBOL(d_find_alias);
 
 /*
  *	Try to kill dentries associated with this inode.
@@ -408,6 +412,7 @@ restart:
 	}
 	spin_unlock(&dcache_lock);
 }
+EXPORT_SYMBOL(d_prune_aliases);
 
 /*
  * Throw away a dentry - free the inode, dput the parent.  This requires that
@@ -610,6 +615,7 @@ void shrink_dcache_sb(struct super_block * sb)
 {
 	__shrink_dcache_sb(sb, NULL, 0);
 }
+EXPORT_SYMBOL(shrink_dcache_sb);
 
 /*
  * destroy a single subtree of dentries for unmount
@@ -792,6 +798,7 @@ positive:
 	spin_unlock(&dcache_lock);
 	return 1;
 }
+EXPORT_SYMBOL(have_submounts);
 
 /*
  * Search the dentry child list for the specified parent,
@@ -876,6 +883,7 @@ void shrink_dcache_parent(struct dentry * parent)
 	while ((found = select_parent(parent)) != 0)
 		__shrink_dcache_sb(sb, &found, 0);
 }
+EXPORT_SYMBOL(shrink_dcache_parent);
 
 /*
  * Scan `nr' dentries and return the number which remain.
@@ -968,6 +976,7 @@ struct dentry *d_alloc(struct dentry * parent, const struct qstr *name)
 
 	return dentry;
 }
+EXPORT_SYMBOL(d_alloc);
 
 struct dentry *d_alloc_name(struct dentry *parent, const char *name)
 {
@@ -1012,6 +1021,7 @@ void d_instantiate(struct dentry *entry, struct inode * inode)
 	spin_unlock(&dcache_lock);
 	security_d_instantiate(entry, inode);
 }
+EXPORT_SYMBOL(d_instantiate);
 
 /**
  * d_instantiate_unique - instantiate a non-aliased dentry
@@ -1108,6 +1118,7 @@ struct dentry * d_alloc_root(struct inode * root_inode)
 	}
 	return res;
 }
+EXPORT_SYMBOL(d_alloc_root);
 
 static inline struct hlist_head *d_hash(struct dentry *parent,
 					unsigned long hash)
@@ -1211,7 +1222,6 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry)
 			BUG_ON(!(new->d_flags & DCACHE_DISCONNECTED));
 			spin_unlock(&dcache_lock);
 			security_d_instantiate(new, inode);
-			d_rehash(dentry);
 			d_move(new, dentry);
 			iput(inode);
 		} else {
@@ -1225,6 +1235,7 @@ struct dentry *d_splice_alias(struct inode *inode, struct dentry *dentry)
 		d_add(dentry, inode);
 	return new;
 }
+EXPORT_SYMBOL(d_splice_alias);
 
 /**
  * d_add_ci - lookup or allocate new dentry with case-exact name
@@ -1314,6 +1325,7 @@ err_out:
 	iput(inode);
 	return ERR_PTR(error);
 }
+EXPORT_SYMBOL(d_add_ci);
 
 /**
  * d_lookup - search for a dentry
@@ -1357,6 +1369,7 @@ struct dentry * d_lookup(struct dentry * parent, struct qstr * name)
 	} while (read_seqretry(&rename_lock, seq));
 	return dentry;
 }
+EXPORT_SYMBOL(d_lookup);
 
 struct dentry * __d_lookup(struct dentry * parent, struct qstr * name)
 {
@@ -1483,6 +1496,7 @@ int d_validate(struct dentry *dentry, struct dentry *dparent)
 out:
 	return 0;
 }
+EXPORT_SYMBOL(d_validate);
 
 /*
  * When a file is deleted, we have two options:
@@ -1528,6 +1542,7 @@ void d_delete(struct dentry * dentry)
 
 	fsnotify_nameremove(dentry, isdir);
 }
+EXPORT_SYMBOL(d_delete);
 
 static void __d_rehash(struct dentry * entry, struct hlist_head *list)
 {
@@ -1556,6 +1571,7 @@ void d_rehash(struct dentry * entry)
 	spin_unlock(&entry->d_lock);
 	spin_unlock(&dcache_lock);
 }
+EXPORT_SYMBOL(d_rehash);
 
 /*
  * When switching names, the actual string doesn't strictly have to
@@ -1702,6 +1718,7 @@ void d_move(struct dentry * dentry, struct dentry * target)
 	d_move_locked(dentry, target);
 	spin_unlock(&dcache_lock);
 }
+EXPORT_SYMBOL(d_move);
 
 /**
  * d_ancestor - search for an ancestor
@@ -1868,6 +1885,7 @@ shouldnt_be_hashed:
 	spin_unlock(&dcache_lock);
 	BUG();
 }
+EXPORT_SYMBOL_GPL(d_materialise_unique);
 
 static int prepend(char **buffer, int *buflen, const char *str, int namelen)
 {
@@ -2005,6 +2023,7 @@ char *d_path(const struct path *path, char *buf, int buflen)
 	path_put(&root);
 	return res;
 }
+EXPORT_SYMBOL(d_path);
 
 /*
  * Helper function for dentry_operations.d_dname() members
@@ -2171,6 +2190,30 @@ int is_subdir(struct dentry *new_dentry, struct dentry *old_dentry)
 	return result;
 }
 
+int path_is_under(struct path *path1, struct path *path2)
+{
+	struct vfsmount *mnt = path1->mnt;
+	struct dentry *dentry = path1->dentry;
+	int res;
+	spin_lock(&vfsmount_lock);
+	if (mnt != path2->mnt) {
+		for (;;) {
+			if (mnt->mnt_parent == mnt) {
+				spin_unlock(&vfsmount_lock);
+				return 0;
+			}
+			if (mnt->mnt_parent == path2->mnt)
+				break;
+			mnt = mnt->mnt_parent;
+		}
+		dentry = mnt->mnt_mountpoint;
+	}
+	res = is_subdir(dentry, path2->dentry);
+	spin_unlock(&vfsmount_lock);
+	return res;
+}
+EXPORT_SYMBOL(path_is_under);
+
 void d_genocide(struct dentry *root)
 {
 	struct dentry *this_parent = root;
@@ -2228,6 +2271,7 @@ ino_t find_inode_number(struct dentry *dir, struct qstr *name)
 	}
 	return ino;
 }
+EXPORT_SYMBOL(find_inode_number);
 
 static __initdata unsigned long dhash_entries;
 static int __init set_dhash_entries(char *str)
@@ -2297,6 +2341,7 @@ static void __init dcache_init(void)
 
 /* SLAB cache for __getname() consumers */
 struct kmem_cache *names_cachep __read_mostly;
+EXPORT_SYMBOL(names_cachep);
 
 EXPORT_SYMBOL(d_genocide);
 
@@ -2326,26 +2371,3 @@ void __init vfs_caches_init(unsigned long mempages)
 	bdev_cache_init();
 	chrdev_init();
 }
-
-EXPORT_SYMBOL(d_alloc);
-EXPORT_SYMBOL(d_alloc_root);
-EXPORT_SYMBOL(d_delete);
-EXPORT_SYMBOL(d_find_alias);
-EXPORT_SYMBOL(d_instantiate);
-EXPORT_SYMBOL(d_invalidate);
-EXPORT_SYMBOL(d_lookup);
-EXPORT_SYMBOL(d_move);
-EXPORT_SYMBOL_GPL(d_materialise_unique);
-EXPORT_SYMBOL(d_path);
-EXPORT_SYMBOL(d_prune_aliases);
-EXPORT_SYMBOL(d_rehash);
-EXPORT_SYMBOL(d_splice_alias);
-EXPORT_SYMBOL(d_add_ci);
-EXPORT_SYMBOL(d_validate);
-EXPORT_SYMBOL(dget_locked);
-EXPORT_SYMBOL(dput);
-EXPORT_SYMBOL(find_inode_number);
-EXPORT_SYMBOL(have_submounts);
-EXPORT_SYMBOL(names_cachep);
-EXPORT_SYMBOL(shrink_dcache_parent);
-EXPORT_SYMBOL(shrink_dcache_sb);
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index 274ac865bae8..049d6c36da09 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -496,7 +496,7 @@ struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry,
 	}
 	d_move(old_dentry, dentry);
 	fsnotify_move(old_dir->d_inode, new_dir->d_inode, old_name,
-		old_dentry->d_name.name, S_ISDIR(old_dentry->d_inode->i_mode),
+		S_ISDIR(old_dentry->d_inode->i_mode),
 		NULL, old_dentry);
 	fsnotify_oldname_free(old_name);
 	unlock_rename(new_dir, old_dir);
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index 26a8bd40400a..f994a7dfda85 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -148,7 +148,7 @@ static void lockspace_kobj_release(struct kobject *k)
 	kfree(ls);
 }
 
-static struct sysfs_ops dlm_attr_ops = {
+static const struct sysfs_ops dlm_attr_ops = {
 	.show  = dlm_attr_show,
 	.store = dlm_attr_store,
 };
diff --git a/fs/dlm/member.c b/fs/dlm/member.c
index 84f70bfb0baf..b12532e553f8 100644
--- a/fs/dlm/member.c
+++ b/fs/dlm/member.c
@@ -312,7 +312,7 @@ int dlm_ls_stop(struct dlm_ls *ls)
 	/*
 	 * This in_recovery lock does two things:
 	 * 1) Keeps this function from returning until all threads are out
-	 *    of locking routines and locking is truely stopped.
+	 *    of locking routines and locking is truly stopped.
 	 * 2) Keeps any new requests from being processed until it's unlocked
 	 *    when recovery is complete.
 	 */
diff --git a/fs/exec.c b/fs/exec.c
index cce6bbdbdbb1..49cdaa19e5b9 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -195,7 +195,7 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos,
 		 *    to work from.
 		 */
 		rlim = current->signal->rlim;
-		if (size > rlim[RLIMIT_STACK].rlim_cur / 4) {
+		if (size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur) / 4) {
 			put_page(page);
 			return NULL;
 		}
@@ -246,6 +246,7 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
 	vma->vm_start = vma->vm_end - PAGE_SIZE;
 	vma->vm_flags = VM_STACK_FLAGS;
 	vma->vm_page_prot = vm_get_page_prot(vma->vm_flags);
+	INIT_LIST_HEAD(&vma->anon_vma_chain);
 	err = insert_vm_struct(mm, vma);
 	if (err)
 		goto err;
@@ -516,7 +517,8 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
 	/*
 	 * cover the whole range: [new_start, old_end)
 	 */
-	vma_adjust(vma, new_start, old_end, vma->vm_pgoff, NULL);
+	if (vma_adjust(vma, new_start, old_end, vma->vm_pgoff, NULL))
+		return -ENOMEM;
 
 	/*
 	 * move the page tables downwards, on failure we rely on
@@ -547,15 +549,13 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift)
 	tlb_finish_mmu(tlb, new_end, old_end);
 
 	/*
-	 * shrink the vma to just the new range.
+	 * Shrink the vma to just the new range.  Always succeeds.
 	 */
 	vma_adjust(vma, new_start, new_end, vma->vm_pgoff, NULL);
 
 	return 0;
 }
 
-#define EXTRA_STACK_VM_PAGES	20	/* random */
-
 /*
  * Finalizes the stack vm_area_struct. The flags and permissions are updated,
  * the stack is optionally relocated, and some extra space is added.
@@ -577,7 +577,7 @@ int setup_arg_pages(struct linux_binprm *bprm,
 
 #ifdef CONFIG_STACK_GROWSUP
 	/* Limit stack size to 1GB */
-	stack_base = current->signal->rlim[RLIMIT_STACK].rlim_max;
+	stack_base = rlimit_max(RLIMIT_STACK);
 	if (stack_base > (1 << 30))
 		stack_base = 1 << 30;
 
@@ -630,7 +630,7 @@ int setup_arg_pages(struct linux_binprm *bprm,
 			goto out_unlock;
 	}
 
-	stack_expand = EXTRA_STACK_VM_PAGES * PAGE_SIZE;
+	stack_expand = 131072UL; /* randomly 32*4k (or 2*64k) pages */
 	stack_size = vma->vm_end - vma->vm_start;
 	/*
 	 * Align this down to a page boundary as expand_stack
@@ -718,6 +718,7 @@ static int exec_mmap(struct mm_struct *mm)
 	/* Notify parent that we're no longer interested in the old VM */
 	tsk = current;
 	old_mm = current->mm;
+	sync_mm_rss(tsk, old_mm);
 	mm_release(tsk, old_mm);
 
 	if (old_mm) {
@@ -1532,7 +1533,7 @@ static int format_corename(char *corename, long signr)
 			/* core limit size */
 			case 'c':
 				rc = snprintf(out_ptr, out_end - out_ptr,
-					      "%lu", current->signal->rlim[RLIMIT_CORE].rlim_cur);
+					      "%lu", rlimit(RLIMIT_CORE));
 				if (rc > out_end - out_ptr)
 					goto out;
 				out_ptr += rc;
@@ -1560,12 +1561,13 @@ out:
 	return ispipe;
 }
 
-static int zap_process(struct task_struct *start)
+static int zap_process(struct task_struct *start, int exit_code)
 {
 	struct task_struct *t;
 	int nr = 0;
 
 	start->signal->flags = SIGNAL_GROUP_EXIT;
+	start->signal->group_exit_code = exit_code;
 	start->signal->group_stop_count = 0;
 
 	t = start;
@@ -1590,8 +1592,7 @@ static inline int zap_threads(struct task_struct *tsk, struct mm_struct *mm,
 	spin_lock_irq(&tsk->sighand->siglock);
 	if (!signal_group_exit(tsk->signal)) {
 		mm->core_state = core_state;
-		tsk->signal->group_exit_code = exit_code;
-		nr = zap_process(tsk);
+		nr = zap_process(tsk, exit_code);
 	}
 	spin_unlock_irq(&tsk->sighand->siglock);
 	if (unlikely(nr < 0))
@@ -1640,7 +1641,7 @@ static inline int zap_threads(struct task_struct *tsk, struct mm_struct *mm,
 			if (p->mm) {
 				if (unlikely(p->mm == mm)) {
 					lock_task_sighand(p, &flags);
-					nr += zap_process(p);
+					nr += zap_process(p, exit_code);
 					unlock_task_sighand(p, &flags);
 				}
 				break;
@@ -1747,14 +1748,19 @@ void set_dumpable(struct mm_struct *mm, int value)
 	}
 }
 
-int get_dumpable(struct mm_struct *mm)
+static int __get_dumpable(unsigned long mm_flags)
 {
 	int ret;
 
-	ret = mm->flags & 0x3;
+	ret = mm_flags & MMF_DUMPABLE_MASK;
 	return (ret >= 2) ? 2 : ret;
 }
 
+int get_dumpable(struct mm_struct *mm)
+{
+	return __get_dumpable(mm->flags);
+}
+
 static void wait_for_dump_helpers(struct file *file)
 {
 	struct pipe_inode_info *pipe;
@@ -1797,7 +1803,13 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 	struct coredump_params cprm = {
 		.signr = signr,
 		.regs = regs,
-		.limit = current->signal->rlim[RLIMIT_CORE].rlim_cur,
+		.limit = rlimit(RLIMIT_CORE),
+		/*
+		 * We must use the same mm->flags while dumping core to avoid
+		 * inconsistency of bit flags, since this flag is not protected
+		 * by any locks.
+		 */
+		.mm_flags = mm->flags,
 	};
 
 	audit_core_dumps(signr);
@@ -1816,7 +1828,7 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 	/*
 	 * If another thread got here first, or we are not dumpable, bail out.
 	 */
-	if (mm->core_state || !get_dumpable(mm)) {
+	if (mm->core_state || !__get_dumpable(cprm.mm_flags)) {
 		up_write(&mm->mmap_sem);
 		put_cred(cred);
 		goto fail;
@@ -1827,7 +1839,8 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 	 *	process nor do we know its entire history. We only know it
 	 *	was tainted so we dump it as root in mode 2.
 	 */
-	if (get_dumpable(mm) == 2) {	/* Setuid core dump mode */
+	if (__get_dumpable(cprm.mm_flags) == 2) {
+		/* Setuid core dump mode */
 		flag = O_EXCL;		/* Stop rewrite attacks */
 		cred->fsuid = 0;	/* Dump root private */
 	}
@@ -1923,8 +1936,9 @@ void do_coredump(long signr, int exit_code, struct pt_regs *regs)
 	/*
 	 * Dont allow local users get cute and trick others to coredump
 	 * into their pre-created files:
+	 * Note, this is not relevant for pipes
 	 */
-	if (inode->i_uid != current_fsuid())
+	if (!ispipe && (inode->i_uid != current_fsuid()))
 		goto close_fail;
 	if (!cprm.file->f_op)
 		goto close_fail;
diff --git a/fs/exofs/common.h b/fs/exofs/common.h
index b1b178e61718..f0d520312d8b 100644
--- a/fs/exofs/common.h
+++ b/fs/exofs/common.h
@@ -55,6 +55,8 @@
 /* exofs Application specific page/attribute */
 # define EXOFS_APAGE_FS_DATA	(OSD_APAGE_APP_DEFINED_FIRST + 3)
 # define EXOFS_ATTR_INODE_DATA	1
+# define EXOFS_ATTR_INODE_FILE_LAYOUT	2
+# define EXOFS_ATTR_INODE_DIR_LAYOUT	3
 
 /*
  * The maximum number of files we can have is limited by the size of the
@@ -206,4 +208,41 @@ enum {
 	(((name_len) + offsetof(struct exofs_dir_entry, name)  + \
 	  EXOFS_DIR_ROUND) & ~EXOFS_DIR_ROUND)
 
+/*
+ * The on-disk (optional) layout structure.
+ * sits in an EXOFS_ATTR_INODE_FILE_LAYOUT or EXOFS_ATTR_INODE_DIR_LAYOUT
+ * attribute, attached to any inode, usually to a directory.
+ */
+
+enum exofs_inode_layout_gen_functions {
+	LAYOUT_MOVING_WINDOW = 0,
+	LAYOUT_IMPLICT = 1,
+};
+
+struct exofs_on_disk_inode_layout {
+	__le16 gen_func; /* One of enum exofs_inode_layout_gen_functions */
+	__le16 pad;
+	union {
+		/* gen_func == LAYOUT_MOVING_WINDOW (default) */
+		struct exofs_layout_sliding_window {
+			__le32 num_devices; /* first n devices in global-table*/
+		} sliding_window __packed;
+
+		/* gen_func == LAYOUT_IMPLICT */
+		struct exofs_layout_implict_list {
+			struct exofs_dt_data_map data_map;
+			/* Variable array of size data_map.cb_num_comps. These
+			 * are device indexes of the devices in the global table
+			 */
+			__le32 dev_indexes[];
+		} implict __packed;
+	};
+} __packed;
+
+static inline size_t exofs_on_disk_inode_layout_size(unsigned max_devs)
+{
+	return sizeof(struct exofs_on_disk_inode_layout) +
+		max_devs * sizeof(__le32);
+}
+
 #endif /*ifndef __EXOFS_COM_H__*/
diff --git a/fs/exofs/exofs.h b/fs/exofs/exofs.h
index c35fd4623986..8442e353309f 100644
--- a/fs/exofs/exofs.h
+++ b/fs/exofs/exofs.h
@@ -55,12 +55,28 @@
 /* u64 has problems with printk this will cast it to unsigned long long */
 #define _LLU(x) (unsigned long long)(x)
 
+struct exofs_layout {
+	osd_id		s_pid;			/* partition ID of file system*/
+
+	/* Our way of looking at the data_map */
+	unsigned stripe_unit;
+	unsigned mirrors_p1;
+
+	unsigned group_width;
+	u64	 group_depth;
+	unsigned group_count;
+
+	enum exofs_inode_layout_gen_functions lay_func;
+
+	unsigned	s_numdevs;		/* Num of devices in array    */
+	struct osd_dev	*s_ods[0];		/* Variable length            */
+};
+
 /*
  * our extension to the in-memory superblock
  */
 struct exofs_sb_info {
 	struct exofs_fscb s_fscb;		/* Written often, pre-allocate*/
-	osd_id		s_pid;			/* partition ID of file system*/
 	int		s_timeout;		/* timeout for OSD operations */
 	uint64_t	s_nextid;		/* highest object ID used     */
 	uint32_t	s_numfiles;		/* number of files on fs      */
@@ -69,22 +85,27 @@ struct exofs_sb_info {
 	atomic_t	s_curr_pending;		/* number of pending commands */
 	uint8_t		s_cred[OSD_CAP_LEN];	/* credential for the fscb    */
 
-	struct pnfs_osd_data_map data_map;	/* Default raid to use        */
-	unsigned	s_numdevs;		/* Num of devices in array    */
-	struct osd_dev	*s_ods[1];		/* Variable length, minimum 1 */
+	struct pnfs_osd_data_map data_map;	/* Default raid to use
+						 * FIXME: Needed ?
+						 */
+/*	struct exofs_layout	dir_layout;*/	/* Default dir layout */
+	struct exofs_layout	layout;		/* Default files layout,
+						 * contains the variable osd_dev
+						 * array. Keep last */
+	struct osd_dev	*_min_one_dev[1];	/* Place holder for one dev   */
 };
 
 /*
  * our extension to the in-memory inode
  */
 struct exofs_i_info {
+	struct inode   vfs_inode;          /* normal in-memory inode          */
+	wait_queue_head_t i_wq;            /* wait queue for inode            */
 	unsigned long  i_flags;            /* various atomic flags            */
 	uint32_t       i_data[EXOFS_IDATA];/*short symlink names and device #s*/
 	uint32_t       i_dir_start_lookup; /* which page to start lookup      */
-	wait_queue_head_t i_wq;            /* wait queue for inode            */
 	uint64_t       i_commit_size;      /* the object's written length     */
 	uint8_t        i_cred[OSD_CAP_LEN];/* all-powerful credential         */
-	struct inode   vfs_inode;          /* normal in-memory inode          */
 };
 
 static inline osd_id exofs_oi_objno(struct exofs_i_info *oi)
@@ -101,7 +122,7 @@ struct exofs_io_state {
 	void			*private;
 	exofs_io_done_fn	done;
 
-	struct exofs_sb_info	*sbi;
+	struct exofs_layout	*layout;
 	struct osd_obj_id	obj;
 	u8			*cred;
 
@@ -109,7 +130,11 @@ struct exofs_io_state {
 	loff_t			offset;
 	unsigned long		length;
 	void			*kern_buff;
-	struct bio		*bio;
+
+	struct page		**pages;
+	unsigned		nr_pages;
+	unsigned		pgbase;
+	unsigned		pages_consumed;
 
 	/* Attributes */
 	unsigned		in_attr_len;
@@ -122,6 +147,9 @@ struct exofs_io_state {
 	struct exofs_per_dev_state {
 		struct osd_request *or;
 		struct bio *bio;
+		loff_t offset;
+		unsigned length;
+		unsigned dev;
 	} per_dev[];
 };
 
@@ -175,6 +203,12 @@ static inline struct exofs_i_info *exofs_i(struct inode *inode)
 }
 
 /*
+ * Given a layout, object_number and stripe_index return the associated global
+ * dev_index
+ */
+unsigned exofs_layout_od_id(struct exofs_layout *layout,
+			    osd_id obj_no, unsigned layout_index);
+/*
  * Maximum count of links to a file
  */
 #define EXOFS_LINK_MAX           32000
@@ -189,7 +223,8 @@ void exofs_make_credential(u8 cred_a[OSD_CAP_LEN],
 int exofs_read_kern(struct osd_dev *od, u8 *cred, struct osd_obj_id *obj,
 		    u64 offset, void *p, unsigned length);
 
-int  exofs_get_io_state(struct exofs_sb_info *sbi, struct exofs_io_state** ios);
+int  exofs_get_io_state(struct exofs_layout *layout,
+			struct exofs_io_state **ios);
 void exofs_put_io_state(struct exofs_io_state *ios);
 
 int exofs_check_io(struct exofs_io_state *ios, u64 *resid);
@@ -226,7 +261,7 @@ int exofs_write_begin(struct file *file, struct address_space *mapping,
 		struct page **pagep, void **fsdata);
 extern struct inode *exofs_iget(struct super_block *, unsigned long);
 struct inode *exofs_new_inode(struct inode *, int);
-extern int exofs_write_inode(struct inode *, int);
+extern int exofs_write_inode(struct inode *, struct writeback_control *wbc);
 extern void exofs_delete_inode(struct inode *);
 
 /* dir.c:                */
diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c
index 2afbcebeda71..a17e4b733e35 100644
--- a/fs/exofs/inode.c
+++ b/fs/exofs/inode.c
@@ -41,16 +41,18 @@
 
 enum { BIO_MAX_PAGES_KMALLOC =
 		(PAGE_SIZE - sizeof(struct bio)) / sizeof(struct bio_vec),
+	MAX_PAGES_KMALLOC =
+		PAGE_SIZE / sizeof(struct page *),
 };
 
 struct page_collect {
 	struct exofs_sb_info *sbi;
-	struct request_queue *req_q;
 	struct inode *inode;
 	unsigned expected_pages;
 	struct exofs_io_state *ios;
 
-	struct bio *bio;
+	struct page **pages;
+	unsigned alloc_pages;
 	unsigned nr_pages;
 	unsigned long length;
 	loff_t pg_first; /* keep 64bit also in 32-arches */
@@ -62,15 +64,12 @@ static void _pcol_init(struct page_collect *pcol, unsigned expected_pages,
 	struct exofs_sb_info *sbi = inode->i_sb->s_fs_info;
 
 	pcol->sbi = sbi;
-	/* Create master bios on first Q, later on cloning, each clone will be
-	 * allocated on it's destination Q
-	 */
-	pcol->req_q = osd_request_queue(sbi->s_ods[0]);
 	pcol->inode = inode;
 	pcol->expected_pages = expected_pages;
 
 	pcol->ios = NULL;
-	pcol->bio = NULL;
+	pcol->pages = NULL;
+	pcol->alloc_pages = 0;
 	pcol->nr_pages = 0;
 	pcol->length = 0;
 	pcol->pg_first = -1;
@@ -80,7 +79,8 @@ static void _pcol_reset(struct page_collect *pcol)
 {
 	pcol->expected_pages -= min(pcol->nr_pages, pcol->expected_pages);
 
-	pcol->bio = NULL;
+	pcol->pages = NULL;
+	pcol->alloc_pages = 0;
 	pcol->nr_pages = 0;
 	pcol->length = 0;
 	pcol->pg_first = -1;
@@ -90,38 +90,43 @@ static void _pcol_reset(struct page_collect *pcol)
 	 * it might not end here. don't be left with nothing
 	 */
 	if (!pcol->expected_pages)
-		pcol->expected_pages = BIO_MAX_PAGES_KMALLOC;
+		pcol->expected_pages = MAX_PAGES_KMALLOC;
 }
 
 static int pcol_try_alloc(struct page_collect *pcol)
 {
-	int pages = min_t(unsigned, pcol->expected_pages,
-			  BIO_MAX_PAGES_KMALLOC);
+	unsigned pages = min_t(unsigned, pcol->expected_pages,
+			  MAX_PAGES_KMALLOC);
 
 	if (!pcol->ios) { /* First time allocate io_state */
-		int ret = exofs_get_io_state(pcol->sbi, &pcol->ios);
+		int ret = exofs_get_io_state(&pcol->sbi->layout, &pcol->ios);
 
 		if (ret)
 			return ret;
 	}
 
+	/* TODO: easily support bio chaining */
+	pages =  min_t(unsigned, pages,
+		       pcol->sbi->layout.group_width * BIO_MAX_PAGES_KMALLOC);
+
 	for (; pages; pages >>= 1) {
-		pcol->bio = bio_kmalloc(GFP_KERNEL, pages);
-		if (likely(pcol->bio))
+		pcol->pages = kmalloc(pages * sizeof(struct page *),
+				      GFP_KERNEL);
+		if (likely(pcol->pages)) {
+			pcol->alloc_pages = pages;
 			return 0;
+		}
 	}
 
-	EXOFS_ERR("Failed to bio_kmalloc expected_pages=%u\n",
+	EXOFS_ERR("Failed to kmalloc expected_pages=%u\n",
 		  pcol->expected_pages);
 	return -ENOMEM;
 }
 
 static void pcol_free(struct page_collect *pcol)
 {
-	if (pcol->bio) {
-		bio_put(pcol->bio);
-		pcol->bio = NULL;
-	}
+	kfree(pcol->pages);
+	pcol->pages = NULL;
 
 	if (pcol->ios) {
 		exofs_put_io_state(pcol->ios);
@@ -132,11 +137,10 @@ static void pcol_free(struct page_collect *pcol)
 static int pcol_add_page(struct page_collect *pcol, struct page *page,
 			 unsigned len)
 {
-	int added_len = bio_add_pc_page(pcol->req_q, pcol->bio, page, len, 0);
-	if (unlikely(len != added_len))
+	if (unlikely(pcol->nr_pages >= pcol->alloc_pages))
 		return -ENOMEM;
 
-	++pcol->nr_pages;
+	pcol->pages[pcol->nr_pages++] = page;
 	pcol->length += len;
 	return 0;
 }
@@ -181,7 +185,6 @@ static void update_write_page(struct page *page, int ret)
  */
 static int __readpages_done(struct page_collect *pcol, bool do_unlock)
 {
-	struct bio_vec *bvec;
 	int i;
 	u64 resid;
 	u64 good_bytes;
@@ -193,13 +196,13 @@ static int __readpages_done(struct page_collect *pcol, bool do_unlock)
 	else
 		good_bytes = pcol->length - resid;
 
-	EXOFS_DBGMSG("readpages_done(0x%lx) good_bytes=0x%llx"
+	EXOFS_DBGMSG2("readpages_done(0x%lx) good_bytes=0x%llx"
 		     " length=0x%lx nr_pages=%u\n",
 		     pcol->inode->i_ino, _LLU(good_bytes), pcol->length,
 		     pcol->nr_pages);
 
-	__bio_for_each_segment(bvec, pcol->bio, i, 0) {
-		struct page *page = bvec->bv_page;
+	for (i = 0; i < pcol->nr_pages; i++) {
+		struct page *page = pcol->pages[i];
 		struct inode *inode = page->mapping->host;
 		int page_stat;
 
@@ -218,11 +221,11 @@ static int __readpages_done(struct page_collect *pcol, bool do_unlock)
 		ret = update_read_page(page, page_stat);
 		if (do_unlock)
 			unlock_page(page);
-		length += bvec->bv_len;
+		length += PAGE_SIZE;
 	}
 
 	pcol_free(pcol);
-	EXOFS_DBGMSG("readpages_done END\n");
+	EXOFS_DBGMSG2("readpages_done END\n");
 	return ret;
 }
 
@@ -238,11 +241,10 @@ static void readpages_done(struct exofs_io_state *ios, void *p)
 
 static void _unlock_pcol_pages(struct page_collect *pcol, int ret, int rw)
 {
-	struct bio_vec *bvec;
 	int i;
 
-	__bio_for_each_segment(bvec, pcol->bio, i, 0) {
-		struct page *page = bvec->bv_page;
+	for (i = 0; i < pcol->nr_pages; i++) {
+		struct page *page = pcol->pages[i];
 
 		if (rw == READ)
 			update_read_page(page, ret);
@@ -260,13 +262,14 @@ static int read_exec(struct page_collect *pcol, bool is_sync)
 	struct page_collect *pcol_copy = NULL;
 	int ret;
 
-	if (!pcol->bio)
+	if (!pcol->pages)
 		return 0;
 
 	/* see comment in _readpage() about sync reads */
 	WARN_ON(is_sync && (pcol->nr_pages != 1));
 
-	ios->bio = pcol->bio;
+	ios->pages = pcol->pages;
+	ios->nr_pages = pcol->nr_pages;
 	ios->length = pcol->length;
 	ios->offset = pcol->pg_first << PAGE_CACHE_SHIFT;
 
@@ -290,7 +293,7 @@ static int read_exec(struct page_collect *pcol, bool is_sync)
 
 	atomic_inc(&pcol->sbi->s_curr_pending);
 
-	EXOFS_DBGMSG("read_exec obj=0x%llx start=0x%llx length=0x%lx\n",
+	EXOFS_DBGMSG2("read_exec obj=0x%llx start=0x%llx length=0x%lx\n",
 		  ios->obj.id, _LLU(ios->offset), pcol->length);
 
 	/* pages ownership was passed to pcol_copy */
@@ -366,7 +369,7 @@ try_again:
 		goto try_again;
 	}
 
-	if (!pcol->bio) {
+	if (!pcol->pages) {
 		ret = pcol_try_alloc(pcol);
 		if (unlikely(ret))
 			goto fail;
@@ -448,7 +451,6 @@ static int exofs_readpage(struct file *file, struct page *page)
 static void writepages_done(struct exofs_io_state *ios, void *p)
 {
 	struct page_collect *pcol = p;
-	struct bio_vec *bvec;
 	int i;
 	u64 resid;
 	u64  good_bytes;
@@ -462,13 +464,13 @@ static void writepages_done(struct exofs_io_state *ios, void *p)
 	else
 		good_bytes = pcol->length - resid;
 
-	EXOFS_DBGMSG("writepages_done(0x%lx) good_bytes=0x%llx"
+	EXOFS_DBGMSG2("writepages_done(0x%lx) good_bytes=0x%llx"
 		     " length=0x%lx nr_pages=%u\n",
 		     pcol->inode->i_ino, _LLU(good_bytes), pcol->length,
 		     pcol->nr_pages);
 
-	__bio_for_each_segment(bvec, pcol->bio, i, 0) {
-		struct page *page = bvec->bv_page;
+	for (i = 0; i < pcol->nr_pages; i++) {
+		struct page *page = pcol->pages[i];
 		struct inode *inode = page->mapping->host;
 		int page_stat;
 
@@ -485,12 +487,12 @@ static void writepages_done(struct exofs_io_state *ios, void *p)
 		EXOFS_DBGMSG2("    writepages_done(0x%lx, 0x%lx) status=%d\n",
 			     inode->i_ino, page->index, page_stat);
 
-		length += bvec->bv_len;
+		length += PAGE_SIZE;
 	}
 
 	pcol_free(pcol);
 	kfree(pcol);
-	EXOFS_DBGMSG("writepages_done END\n");
+	EXOFS_DBGMSG2("writepages_done END\n");
 }
 
 static int write_exec(struct page_collect *pcol)
@@ -500,7 +502,7 @@ static int write_exec(struct page_collect *pcol)
 	struct page_collect *pcol_copy = NULL;
 	int ret;
 
-	if (!pcol->bio)
+	if (!pcol->pages)
 		return 0;
 
 	pcol_copy = kmalloc(sizeof(*pcol_copy), GFP_KERNEL);
@@ -512,9 +514,8 @@ static int write_exec(struct page_collect *pcol)
 
 	*pcol_copy = *pcol;
 
-	pcol_copy->bio->bi_rw |= (1 << BIO_RW); /* FIXME: bio_set_dir() */
-
-	ios->bio = pcol_copy->bio;
+	ios->pages = pcol_copy->pages;
+	ios->nr_pages = pcol_copy->nr_pages;
 	ios->offset = pcol_copy->pg_first << PAGE_CACHE_SHIFT;
 	ios->length = pcol_copy->length;
 	ios->done = writepages_done;
@@ -527,7 +528,7 @@ static int write_exec(struct page_collect *pcol)
 	}
 
 	atomic_inc(&pcol->sbi->s_curr_pending);
-	EXOFS_DBGMSG("write_exec(0x%lx, 0x%llx) start=0x%llx length=0x%lx\n",
+	EXOFS_DBGMSG2("write_exec(0x%lx, 0x%llx) start=0x%llx length=0x%lx\n",
 		  pcol->inode->i_ino, pcol->pg_first, _LLU(ios->offset),
 		  pcol->length);
 	/* pages ownership was passed to pcol_copy */
@@ -605,7 +606,7 @@ try_again:
 		goto try_again;
 	}
 
-	if (!pcol->bio) {
+	if (!pcol->pages) {
 		ret = pcol_try_alloc(pcol);
 		if (unlikely(ret))
 			goto fail;
@@ -616,7 +617,7 @@ try_again:
 
 	ret = pcol_add_page(pcol, page, len);
 	if (unlikely(ret)) {
-		EXOFS_DBGMSG("Failed pcol_add_page "
+		EXOFS_DBGMSG2("Failed pcol_add_page "
 			     "nr_pages=%u total_length=0x%lx\n",
 			     pcol->nr_pages, pcol->length);
 
@@ -663,7 +664,7 @@ static int exofs_writepages(struct address_space *mapping,
 	if (expected_pages < 32L)
 		expected_pages = 32L;
 
-	EXOFS_DBGMSG("inode(0x%lx) wbc->start=0x%llx wbc->end=0x%llx "
+	EXOFS_DBGMSG2("inode(0x%lx) wbc->start=0x%llx wbc->end=0x%llx "
 		     "nrpages=%lu start=0x%lx end=0x%lx expected_pages=%ld\n",
 		     mapping->host->i_ino, wbc->range_start, wbc->range_end,
 		     mapping->nrpages, start, end, expected_pages);
@@ -859,20 +860,33 @@ int exofs_setattr(struct dentry *dentry, struct iattr *iattr)
 	return error;
 }
 
+static const struct osd_attr g_attr_inode_file_layout = ATTR_DEF(
+	EXOFS_APAGE_FS_DATA,
+	EXOFS_ATTR_INODE_FILE_LAYOUT,
+	0);
+static const struct osd_attr g_attr_inode_dir_layout = ATTR_DEF(
+	EXOFS_APAGE_FS_DATA,
+	EXOFS_ATTR_INODE_DIR_LAYOUT,
+	0);
+
 /*
- * Read an inode from the OSD, and return it as is.  We also return the size
- * attribute in the 'obj_size' argument.
+ * Read the Linux inode info from the OSD, and return it as is. In exofs the
+ * inode info is in an application specific page/attribute of the osd-object.
  */
 static int exofs_get_inode(struct super_block *sb, struct exofs_i_info *oi,
-		    struct exofs_fcb *inode, uint64_t *obj_size)
+		    struct exofs_fcb *inode)
 {
 	struct exofs_sb_info *sbi = sb->s_fs_info;
-	struct osd_attr attrs[2];
+	struct osd_attr attrs[] = {
+		[0] = g_attr_inode_data,
+		[1] = g_attr_inode_file_layout,
+		[2] = g_attr_inode_dir_layout,
+	};
 	struct exofs_io_state *ios;
+	struct exofs_on_disk_inode_layout *layout;
 	int ret;
 
-	*obj_size = ~0;
-	ret = exofs_get_io_state(sbi, &ios);
+	ret = exofs_get_io_state(&sbi->layout, &ios);
 	if (unlikely(ret)) {
 		EXOFS_ERR("%s: exofs_get_io_state failed.\n", __func__);
 		return ret;
@@ -882,14 +896,25 @@ static int exofs_get_inode(struct super_block *sb, struct exofs_i_info *oi,
 	exofs_make_credential(oi->i_cred, &ios->obj);
 	ios->cred = oi->i_cred;
 
-	attrs[0] = g_attr_inode_data;
-	attrs[1] = g_attr_logical_length;
+	attrs[1].len = exofs_on_disk_inode_layout_size(sbi->layout.s_numdevs);
+	attrs[2].len = exofs_on_disk_inode_layout_size(sbi->layout.s_numdevs);
+
 	ios->in_attr = attrs;
 	ios->in_attr_len = ARRAY_SIZE(attrs);
 
 	ret = exofs_sbi_read(ios);
-	if (ret)
+	if (unlikely(ret)) {
+		EXOFS_ERR("object(0x%llx) corrupted, return empty file=>%d\n",
+			  _LLU(ios->obj.id), ret);
+		memset(inode, 0, sizeof(*inode));
+		inode->i_mode = 0040000 | (0777 & ~022);
+		/* If object is lost on target we might as well enable it's
+		 * delete.
+		 */
+		if ((ret == -ENOENT) || (ret == -EINVAL))
+			ret = 0;
 		goto out;
+	}
 
 	ret = extract_attr_from_ios(ios, &attrs[0]);
 	if (ret) {
@@ -901,11 +926,33 @@ static int exofs_get_inode(struct super_block *sb, struct exofs_i_info *oi,
 
 	ret = extract_attr_from_ios(ios, &attrs[1]);
 	if (ret) {
-		EXOFS_ERR("%s: extract_attr of logical_length failed\n",
-			  __func__);
+		EXOFS_ERR("%s: extract_attr of inode_data failed\n", __func__);
+		goto out;
+	}
+	if (attrs[1].len) {
+		layout = attrs[1].val_ptr;
+		if (layout->gen_func != cpu_to_le16(LAYOUT_MOVING_WINDOW)) {
+			EXOFS_ERR("%s: unsupported files layout %d\n",
+				__func__, layout->gen_func);
+			ret = -ENOTSUPP;
+			goto out;
+		}
+	}
+
+	ret = extract_attr_from_ios(ios, &attrs[2]);
+	if (ret) {
+		EXOFS_ERR("%s: extract_attr of inode_data failed\n", __func__);
 		goto out;
 	}
-	*obj_size = get_unaligned_be64(attrs[1].val_ptr);
+	if (attrs[2].len) {
+		layout = attrs[2].val_ptr;
+		if (layout->gen_func != cpu_to_le16(LAYOUT_MOVING_WINDOW)) {
+			EXOFS_ERR("%s: unsupported meta-data layout %d\n",
+				__func__, layout->gen_func);
+			ret = -ENOTSUPP;
+			goto out;
+		}
+	}
 
 out:
 	exofs_put_io_state(ios);
@@ -925,7 +972,6 @@ struct inode *exofs_iget(struct super_block *sb, unsigned long ino)
 	struct exofs_i_info *oi;
 	struct exofs_fcb fcb;
 	struct inode *inode;
-	uint64_t obj_size;
 	int ret;
 
 	inode = iget_locked(sb, ino);
@@ -937,7 +983,7 @@ struct inode *exofs_iget(struct super_block *sb, unsigned long ino)
 	__oi_init(oi);
 
 	/* read the inode from the osd */
-	ret = exofs_get_inode(sb, oi, &fcb, &obj_size);
+	ret = exofs_get_inode(sb, oi, &fcb);
 	if (ret)
 		goto bad_inode;
 
@@ -958,13 +1004,6 @@ struct inode *exofs_iget(struct super_block *sb, unsigned long ino)
 	inode->i_blkbits = EXOFS_BLKSHIFT;
 	inode->i_generation = le32_to_cpu(fcb.i_generation);
 
-	if ((inode->i_size != obj_size) &&
-		(!exofs_inode_is_fast_symlink(inode))) {
-		EXOFS_ERR("WARNING: Size of inode=%llu != object=%llu\n",
-			  inode->i_size, _LLU(obj_size));
-		/* FIXME: call exofs_inode_recovery() */
-	}
-
 	oi->i_dir_start_lookup = 0;
 
 	if ((inode->i_nlink == 0) && (inode->i_mode == 0)) {
@@ -1043,7 +1082,7 @@ static void create_done(struct exofs_io_state *ios, void *p)
 
 	if (unlikely(ret)) {
 		EXOFS_ERR("object=0x%llx creation faild in pid=0x%llx",
-			  _LLU(exofs_oi_objno(oi)), _LLU(sbi->s_pid));
+			  _LLU(exofs_oi_objno(oi)), _LLU(sbi->layout.s_pid));
 		/*TODO: When FS is corrupted creation can fail, object already
 		 * exist. Get rid of this asynchronous creation, if exist
 		 * increment the obj counter and try the next object. Until we
@@ -1104,7 +1143,7 @@ struct inode *exofs_new_inode(struct inode *dir, int mode)
 
 	mark_inode_dirty(inode);
 
-	ret = exofs_get_io_state(sbi, &ios);
+	ret = exofs_get_io_state(&sbi->layout, &ios);
 	if (unlikely(ret)) {
 		EXOFS_ERR("exofs_new_inode: exofs_get_io_state failed\n");
 		return ERR_PTR(ret);
@@ -1170,8 +1209,10 @@ static int exofs_update_inode(struct inode *inode, int do_sync)
 	int ret;
 
 	args = kzalloc(sizeof(*args), GFP_KERNEL);
-	if (!args)
+	if (!args) {
+		EXOFS_DBGMSG("Faild kzalloc of args\n");
 		return -ENOMEM;
+	}
 
 	fcb = &args->fcb;
 
@@ -1200,7 +1241,7 @@ static int exofs_update_inode(struct inode *inode, int do_sync)
 	} else
 		memcpy(fcb->i_data, oi->i_data, sizeof(fcb->i_data));
 
-	ret = exofs_get_io_state(sbi, &ios);
+	ret = exofs_get_io_state(&sbi->layout, &ios);
 	if (unlikely(ret)) {
 		EXOFS_ERR("%s: exofs_get_io_state failed.\n", __func__);
 		goto free_args;
@@ -1234,13 +1275,14 @@ static int exofs_update_inode(struct inode *inode, int do_sync)
 free_args:
 	kfree(args);
 out:
-	EXOFS_DBGMSG("ret=>%d\n", ret);
+	EXOFS_DBGMSG("(0x%lx) do_sync=%d ret=>%d\n",
+		     inode->i_ino, do_sync, ret);
 	return ret;
 }
 
-int exofs_write_inode(struct inode *inode, int wait)
+int exofs_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
-	return exofs_update_inode(inode, wait);
+	return exofs_update_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
 }
 
 /*
@@ -1283,7 +1325,7 @@ void exofs_delete_inode(struct inode *inode)
 
 	clear_inode(inode);
 
-	ret = exofs_get_io_state(sbi, &ios);
+	ret = exofs_get_io_state(&sbi->layout, &ios);
 	if (unlikely(ret)) {
 		EXOFS_ERR("%s: exofs_get_io_state failed\n", __func__);
 		return;
diff --git a/fs/exofs/ios.c b/fs/exofs/ios.c
index 5bad01fa1f9f..5293bc411d17 100644
--- a/fs/exofs/ios.c
+++ b/fs/exofs/ios.c
@@ -23,9 +23,13 @@
  */
 
 #include <scsi/scsi_device.h>
+#include <asm/div64.h>
 
 #include "exofs.h"
 
+#define EXOFS_DBGMSG2(M...) do {} while (0)
+/* #define EXOFS_DBGMSG2 EXOFS_DBGMSG */
+
 void exofs_make_credential(u8 cred_a[OSD_CAP_LEN], const struct osd_obj_id *obj)
 {
 	osd_sec_init_nosec_doall_caps(cred_a, obj, false, true);
@@ -64,21 +68,24 @@ out:
 	return ret;
 }
 
-int exofs_get_io_state(struct exofs_sb_info *sbi, struct exofs_io_state** pios)
+int exofs_get_io_state(struct exofs_layout *layout,
+		       struct exofs_io_state **pios)
 {
 	struct exofs_io_state *ios;
 
 	/*TODO: Maybe use kmem_cach per sbi of size
-	 * exofs_io_state_size(sbi->s_numdevs)
+	 * exofs_io_state_size(layout->s_numdevs)
 	 */
-	ios = kzalloc(exofs_io_state_size(sbi->s_numdevs), GFP_KERNEL);
+	ios = kzalloc(exofs_io_state_size(layout->s_numdevs), GFP_KERNEL);
 	if (unlikely(!ios)) {
+		EXOFS_DBGMSG("Faild kzalloc bytes=%d\n",
+			     exofs_io_state_size(layout->s_numdevs));
 		*pios = NULL;
 		return -ENOMEM;
 	}
 
-	ios->sbi = sbi;
-	ios->obj.partition = sbi->s_pid;
+	ios->layout = layout;
+	ios->obj.partition = layout->s_pid;
 	*pios = ios;
 	return 0;
 }
@@ -101,6 +108,29 @@ void exofs_put_io_state(struct exofs_io_state *ios)
 	}
 }
 
+unsigned exofs_layout_od_id(struct exofs_layout *layout,
+			    osd_id obj_no, unsigned layout_index)
+{
+/*	switch (layout->lay_func) {
+	case LAYOUT_MOVING_WINDOW:
+	{*/
+		unsigned dev_mod = obj_no;
+
+		return (layout_index + dev_mod * layout->mirrors_p1) %
+							      layout->s_numdevs;
+/*	}
+	case LAYOUT_FUNC_IMPLICT:
+		return layout->devs[layout_index];
+	}*/
+}
+
+static inline struct osd_dev *exofs_ios_od(struct exofs_io_state *ios,
+					   unsigned layout_index)
+{
+	return ios->layout->s_ods[
+		exofs_layout_od_id(ios->layout, ios->obj.id, layout_index)];
+}
+
 static void _sync_done(struct exofs_io_state *ios, void *p)
 {
 	struct completion *waiting = p;
@@ -168,6 +198,21 @@ static int exofs_io_execute(struct exofs_io_state *ios)
 	return ret;
 }
 
+static void _clear_bio(struct bio *bio)
+{
+	struct bio_vec *bv;
+	unsigned i;
+
+	__bio_for_each_segment(bv, bio, i, 0) {
+		unsigned this_count = bv->bv_len;
+
+		if (likely(PAGE_SIZE == this_count))
+			clear_highpage(bv->bv_page);
+		else
+			zero_user(bv->bv_page, bv->bv_offset, this_count);
+	}
+}
+
 int exofs_check_io(struct exofs_io_state *ios, u64 *resid)
 {
 	enum osd_err_priority acumulated_osd_err = 0;
@@ -176,16 +221,25 @@ int exofs_check_io(struct exofs_io_state *ios, u64 *resid)
 
 	for (i = 0; i < ios->numdevs; i++) {
 		struct osd_sense_info osi;
-		int ret = osd_req_decode_sense(ios->per_dev[i].or, &osi);
+		struct osd_request *or = ios->per_dev[i].or;
+		int ret;
+
+		if (unlikely(!or))
+			continue;
 
+		ret = osd_req_decode_sense(or, &osi);
 		if (likely(!ret))
 			continue;
 
-		if (unlikely(ret == -EFAULT)) {
-			EXOFS_DBGMSG("%s: EFAULT Need page clear\n", __func__);
-			/*FIXME: All the pages in this device range should:
-			 *	clear_highpage(page);
-			 */
+		if (OSD_ERR_PRI_CLEAR_PAGES == osi.osd_err_pri) {
+			/* start read offset passed endof file */
+			_clear_bio(ios->per_dev[i].bio);
+			EXOFS_DBGMSG("start read offset passed end of file "
+				"offset=0x%llx, length=0x%llx\n",
+				_LLU(ios->per_dev[i].offset),
+				_LLU(ios->per_dev[i].length));
+
+			continue; /* we recovered */
 		}
 
 		if (osi.osd_err_pri >= acumulated_osd_err) {
@@ -205,14 +259,259 @@ int exofs_check_io(struct exofs_io_state *ios, u64 *resid)
 	return acumulated_lin_err;
 }
 
+/*
+ * L - logical offset into the file
+ *
+ * U - The number of bytes in a stripe within a group
+ *
+ *	U = stripe_unit * group_width
+ *
+ * T - The number of bytes striped within a group of component objects
+ *     (before advancing to the next group)
+ *
+ *	T = stripe_unit * group_width * group_depth
+ *
+ * S - The number of bytes striped across all component objects
+ *     before the pattern repeats
+ *
+ *	S = stripe_unit * group_width * group_depth * group_count
+ *
+ * M - The "major" (i.e., across all components) stripe number
+ *
+ *	M = L / S
+ *
+ * G - Counts the groups from the beginning of the major stripe
+ *
+ *	G = (L - (M * S)) / T	[or (L % S) / T]
+ *
+ * H - The byte offset within the group
+ *
+ *	H = (L - (M * S)) % T	[or (L % S) % T]
+ *
+ * N - The "minor" (i.e., across the group) stripe number
+ *
+ *	N = H / U
+ *
+ * C - The component index coresponding to L
+ *
+ *	C = (H - (N * U)) / stripe_unit + G * group_width
+ *	[or (L % U) / stripe_unit + G * group_width]
+ *
+ * O - The component offset coresponding to L
+ *
+ *	O = L % stripe_unit + N * stripe_unit + M * group_depth * stripe_unit
+ */
+struct _striping_info {
+	u64 obj_offset;
+	u64 group_length;
+	u64 total_group_length;
+	u64 Major;
+	unsigned dev;
+	unsigned unit_off;
+};
+
+static void _calc_stripe_info(struct exofs_io_state *ios, u64 file_offset,
+			      struct _striping_info *si)
+{
+	u32	stripe_unit = ios->layout->stripe_unit;
+	u32	group_width = ios->layout->group_width;
+	u64	group_depth = ios->layout->group_depth;
+
+	u32	U = stripe_unit * group_width;
+	u64	T = U * group_depth;
+	u64	S = T * ios->layout->group_count;
+	u64	M = div64_u64(file_offset, S);
+
+	/*
+	G = (L - (M * S)) / T
+	H = (L - (M * S)) % T
+	*/
+	u64	LmodS = file_offset - M * S;
+	u32	G = div64_u64(LmodS, T);
+	u64	H = LmodS - G * T;
+
+	u32	N = div_u64(H, U);
+
+	/* "H - (N * U)" is just "H % U" so it's bound to u32 */
+	si->dev = (u32)(H - (N * U)) / stripe_unit + G * group_width;
+	si->dev *= ios->layout->mirrors_p1;
+
+	div_u64_rem(file_offset, stripe_unit, &si->unit_off);
+
+	si->obj_offset = si->unit_off + (N * stripe_unit) +
+				  (M * group_depth * stripe_unit);
+
+	si->group_length = T - H;
+	si->total_group_length = T;
+	si->Major = M;
+}
+
+static int _add_stripe_unit(struct exofs_io_state *ios,  unsigned *cur_pg,
+		unsigned pgbase, struct exofs_per_dev_state *per_dev,
+		int cur_len)
+{
+	unsigned pg = *cur_pg;
+	struct request_queue *q =
+			osd_request_queue(exofs_ios_od(ios, per_dev->dev));
+
+	per_dev->length += cur_len;
+
+	if (per_dev->bio == NULL) {
+		unsigned pages_in_stripe = ios->layout->group_width *
+					(ios->layout->stripe_unit / PAGE_SIZE);
+		unsigned bio_size = (ios->nr_pages + pages_in_stripe) /
+						ios->layout->group_width;
+
+		per_dev->bio = bio_kmalloc(GFP_KERNEL, bio_size);
+		if (unlikely(!per_dev->bio)) {
+			EXOFS_DBGMSG("Faild to allocate BIO size=%u\n",
+				     bio_size);
+			return -ENOMEM;
+		}
+	}
+
+	while (cur_len > 0) {
+		unsigned pglen = min_t(unsigned, PAGE_SIZE - pgbase, cur_len);
+		unsigned added_len;
+
+		BUG_ON(ios->nr_pages <= pg);
+		cur_len -= pglen;
+
+		added_len = bio_add_pc_page(q, per_dev->bio, ios->pages[pg],
+					    pglen, pgbase);
+		if (unlikely(pglen != added_len))
+			return -ENOMEM;
+		pgbase = 0;
+		++pg;
+	}
+	BUG_ON(cur_len);
+
+	*cur_pg = pg;
+	return 0;
+}
+
+static int _prepare_one_group(struct exofs_io_state *ios, u64 length,
+			      struct _striping_info *si, unsigned first_comp)
+{
+	unsigned stripe_unit = ios->layout->stripe_unit;
+	unsigned mirrors_p1 = ios->layout->mirrors_p1;
+	unsigned devs_in_group = ios->layout->group_width * mirrors_p1;
+	unsigned dev = si->dev;
+	unsigned first_dev = dev - (dev % devs_in_group);
+	unsigned comp = first_comp + (dev - first_dev);
+	unsigned max_comp = ios->numdevs ? ios->numdevs - mirrors_p1 : 0;
+	unsigned cur_pg = ios->pages_consumed;
+	int ret = 0;
+
+	while (length) {
+		struct exofs_per_dev_state *per_dev = &ios->per_dev[comp];
+		unsigned cur_len, page_off = 0;
+
+		if (!per_dev->length) {
+			per_dev->dev = dev;
+			if (dev < si->dev) {
+				per_dev->offset = si->obj_offset + stripe_unit -
+								   si->unit_off;
+				cur_len = stripe_unit;
+			} else if (dev == si->dev) {
+				per_dev->offset = si->obj_offset;
+				cur_len = stripe_unit - si->unit_off;
+				page_off = si->unit_off & ~PAGE_MASK;
+				BUG_ON(page_off && (page_off != ios->pgbase));
+			} else { /* dev > si->dev */
+				per_dev->offset = si->obj_offset - si->unit_off;
+				cur_len = stripe_unit;
+			}
+
+			if (max_comp < comp)
+				max_comp = comp;
+
+			dev += mirrors_p1;
+			dev = (dev % devs_in_group) + first_dev;
+		} else {
+			cur_len = stripe_unit;
+		}
+		if (cur_len >= length)
+			cur_len = length;
+
+		ret = _add_stripe_unit(ios, &cur_pg, page_off , per_dev,
+				       cur_len);
+		if (unlikely(ret))
+			goto out;
+
+		comp += mirrors_p1;
+		comp = (comp % devs_in_group) + first_comp;
+
+		length -= cur_len;
+	}
+out:
+	ios->numdevs = max_comp + mirrors_p1;
+	ios->pages_consumed = cur_pg;
+	return ret;
+}
+
+static int _prepare_for_striping(struct exofs_io_state *ios)
+{
+	u64 length = ios->length;
+	struct _striping_info si;
+	unsigned devs_in_group = ios->layout->group_width *
+				 ios->layout->mirrors_p1;
+	unsigned first_comp = 0;
+	int ret = 0;
+
+	_calc_stripe_info(ios, ios->offset, &si);
+
+	if (!ios->pages) {
+		if (ios->kern_buff) {
+			struct exofs_per_dev_state *per_dev = &ios->per_dev[0];
+
+			per_dev->offset = si.obj_offset;
+			per_dev->dev = si.dev;
+
+			/* no cross device without page array */
+			BUG_ON((ios->layout->group_width > 1) &&
+			       (si.unit_off + ios->length >
+				ios->layout->stripe_unit));
+		}
+		ios->numdevs = ios->layout->mirrors_p1;
+		return 0;
+	}
+
+	while (length) {
+		if (length < si.group_length)
+			si.group_length = length;
+
+		ret = _prepare_one_group(ios, si.group_length, &si, first_comp);
+		if (unlikely(ret))
+			goto out;
+
+		length -= si.group_length;
+
+		si.group_length = si.total_group_length;
+		si.unit_off = 0;
+		++si.Major;
+		si.obj_offset = si.Major * ios->layout->stripe_unit *
+						ios->layout->group_depth;
+
+		si.dev = (si.dev - (si.dev % devs_in_group)) + devs_in_group;
+		si.dev %= ios->layout->s_numdevs;
+
+		first_comp += devs_in_group;
+		first_comp %= ios->layout->s_numdevs;
+	}
+
+out:
+	return ret;
+}
+
 int exofs_sbi_create(struct exofs_io_state *ios)
 {
 	int i, ret;
 
-	for (i = 0; i < ios->sbi->s_numdevs; i++) {
+	for (i = 0; i < ios->layout->s_numdevs; i++) {
 		struct osd_request *or;
 
-		or = osd_start_request(ios->sbi->s_ods[i], GFP_KERNEL);
+		or = osd_start_request(exofs_ios_od(ios, i), GFP_KERNEL);
 		if (unlikely(!or)) {
 			EXOFS_ERR("%s: osd_start_request failed\n", __func__);
 			ret = -ENOMEM;
@@ -233,10 +532,10 @@ int exofs_sbi_remove(struct exofs_io_state *ios)
 {
 	int i, ret;
 
-	for (i = 0; i < ios->sbi->s_numdevs; i++) {
+	for (i = 0; i < ios->layout->s_numdevs; i++) {
 		struct osd_request *or;
 
-		or = osd_start_request(ios->sbi->s_ods[i], GFP_KERNEL);
+		or = osd_start_request(exofs_ios_od(ios, i), GFP_KERNEL);
 		if (unlikely(!or)) {
 			EXOFS_ERR("%s: osd_start_request failed\n", __func__);
 			ret = -ENOMEM;
@@ -253,51 +552,74 @@ out:
 	return ret;
 }
 
-int exofs_sbi_write(struct exofs_io_state *ios)
+static int _sbi_write_mirror(struct exofs_io_state *ios, int cur_comp)
 {
-	int i, ret;
+	struct exofs_per_dev_state *master_dev = &ios->per_dev[cur_comp];
+	unsigned dev = ios->per_dev[cur_comp].dev;
+	unsigned last_comp = cur_comp + ios->layout->mirrors_p1;
+	int ret = 0;
 
-	for (i = 0; i < ios->sbi->s_numdevs; i++) {
+	if (ios->pages && !master_dev->length)
+		return 0; /* Just an empty slot */
+
+	for (; cur_comp < last_comp; ++cur_comp, ++dev) {
+		struct exofs_per_dev_state *per_dev = &ios->per_dev[cur_comp];
 		struct osd_request *or;
 
-		or = osd_start_request(ios->sbi->s_ods[i], GFP_KERNEL);
+		or = osd_start_request(exofs_ios_od(ios, dev), GFP_KERNEL);
 		if (unlikely(!or)) {
 			EXOFS_ERR("%s: osd_start_request failed\n", __func__);
 			ret = -ENOMEM;
 			goto out;
 		}
-		ios->per_dev[i].or = or;
-		ios->numdevs++;
+		per_dev->or = or;
+		per_dev->offset = master_dev->offset;
 
-		if (ios->bio) {
+		if (ios->pages) {
 			struct bio *bio;
 
-			if (i != 0) {
+			if (per_dev != master_dev) {
 				bio = bio_kmalloc(GFP_KERNEL,
-						  ios->bio->bi_max_vecs);
+						  master_dev->bio->bi_max_vecs);
 				if (unlikely(!bio)) {
+					EXOFS_DBGMSG(
+					      "Faild to allocate BIO size=%u\n",
+					      master_dev->bio->bi_max_vecs);
 					ret = -ENOMEM;
 					goto out;
 				}
 
-				__bio_clone(bio, ios->bio);
+				__bio_clone(bio, master_dev->bio);
 				bio->bi_bdev = NULL;
 				bio->bi_next = NULL;
-				ios->per_dev[i].bio =  bio;
+				per_dev->length = master_dev->length;
+				per_dev->bio =  bio;
+				per_dev->dev = dev;
 			} else {
-				bio = ios->bio;
+				bio = master_dev->bio;
+				/* FIXME: bio_set_dir() */
+				bio->bi_rw |= (1 << BIO_RW);
 			}
 
-			osd_req_write(or, &ios->obj, ios->offset, bio,
-				      ios->length);
-/*			EXOFS_DBGMSG("write sync=%d\n", sync);*/
+			osd_req_write(or, &ios->obj, per_dev->offset, bio,
+				      per_dev->length);
+			EXOFS_DBGMSG("write(0x%llx) offset=0x%llx "
+				      "length=0x%llx dev=%d\n",
+				     _LLU(ios->obj.id), _LLU(per_dev->offset),
+				     _LLU(per_dev->length), dev);
 		} else if (ios->kern_buff) {
-			osd_req_write_kern(or, &ios->obj, ios->offset,
+			ret = osd_req_write_kern(or, &ios->obj, per_dev->offset,
 					   ios->kern_buff, ios->length);
-/*			EXOFS_DBGMSG("write_kern sync=%d\n", sync);*/
+			if (unlikely(ret))
+				goto out;
+			EXOFS_DBGMSG2("write_kern(0x%llx) offset=0x%llx "
+				      "length=0x%llx dev=%d\n",
+				     _LLU(ios->obj.id), _LLU(per_dev->offset),
+				     _LLU(ios->length), dev);
 		} else {
 			osd_req_set_attributes(or, &ios->obj);
-/*			EXOFS_DBGMSG("set_attributes sync=%d\n", sync);*/
+			EXOFS_DBGMSG2("obj(0x%llx) set_attributes=%d dev=%d\n",
+				     _LLU(ios->obj.id), ios->out_attr_len, dev);
 		}
 
 		if (ios->out_attr)
@@ -308,54 +630,93 @@ int exofs_sbi_write(struct exofs_io_state *ios)
 			osd_req_add_get_attr_list(or, ios->in_attr,
 						  ios->in_attr_len);
 	}
-	ret = exofs_io_execute(ios);
 
 out:
 	return ret;
 }
 
-int exofs_sbi_read(struct exofs_io_state *ios)
+int exofs_sbi_write(struct exofs_io_state *ios)
 {
-	int i, ret;
+	int i;
+	int ret;
 
-	for (i = 0; i < 1; i++) {
-		struct osd_request *or;
-		unsigned first_dev = (unsigned)ios->obj.id;
+	ret = _prepare_for_striping(ios);
+	if (unlikely(ret))
+		return ret;
 
-		first_dev %= ios->sbi->s_numdevs;
-		or = osd_start_request(ios->sbi->s_ods[first_dev], GFP_KERNEL);
-		if (unlikely(!or)) {
-			EXOFS_ERR("%s: osd_start_request failed\n", __func__);
-			ret = -ENOMEM;
-			goto out;
-		}
-		ios->per_dev[i].or = or;
-		ios->numdevs++;
+	for (i = 0; i < ios->numdevs; i += ios->layout->mirrors_p1) {
+		ret = _sbi_write_mirror(ios, i);
+		if (unlikely(ret))
+			return ret;
+	}
 
-		if (ios->bio) {
-			osd_req_read(or, &ios->obj, ios->offset, ios->bio,
-				     ios->length);
-/*			EXOFS_DBGMSG("read sync=%d\n", sync);*/
-		} else if (ios->kern_buff) {
-			osd_req_read_kern(or, &ios->obj, ios->offset,
-					   ios->kern_buff, ios->length);
-/*			EXOFS_DBGMSG("read_kern sync=%d\n", sync);*/
-		} else {
-			osd_req_get_attributes(or, &ios->obj);
-/*			EXOFS_DBGMSG("get_attributes sync=%d\n", sync);*/
-		}
+	ret = exofs_io_execute(ios);
+	return ret;
+}
 
-		if (ios->out_attr)
-			osd_req_add_set_attr_list(or, ios->out_attr,
-						  ios->out_attr_len);
+static int _sbi_read_mirror(struct exofs_io_state *ios, unsigned cur_comp)
+{
+	struct osd_request *or;
+	struct exofs_per_dev_state *per_dev = &ios->per_dev[cur_comp];
+	unsigned first_dev = (unsigned)ios->obj.id;
 
-		if (ios->in_attr)
-			osd_req_add_get_attr_list(or, ios->in_attr,
-						  ios->in_attr_len);
+	if (ios->pages && !per_dev->length)
+		return 0; /* Just an empty slot */
+
+	first_dev = per_dev->dev + first_dev % ios->layout->mirrors_p1;
+	or = osd_start_request(exofs_ios_od(ios, first_dev), GFP_KERNEL);
+	if (unlikely(!or)) {
+		EXOFS_ERR("%s: osd_start_request failed\n", __func__);
+		return -ENOMEM;
 	}
-	ret = exofs_io_execute(ios);
+	per_dev->or = or;
+
+	if (ios->pages) {
+		osd_req_read(or, &ios->obj, per_dev->offset,
+				per_dev->bio, per_dev->length);
+		EXOFS_DBGMSG("read(0x%llx) offset=0x%llx length=0x%llx"
+			     " dev=%d\n", _LLU(ios->obj.id),
+			     _LLU(per_dev->offset), _LLU(per_dev->length),
+			     first_dev);
+	} else if (ios->kern_buff) {
+		int ret = osd_req_read_kern(or, &ios->obj, per_dev->offset,
+					    ios->kern_buff, ios->length);
+		EXOFS_DBGMSG2("read_kern(0x%llx) offset=0x%llx "
+			      "length=0x%llx dev=%d ret=>%d\n",
+			      _LLU(ios->obj.id), _LLU(per_dev->offset),
+			      _LLU(ios->length), first_dev, ret);
+		if (unlikely(ret))
+			return ret;
+	} else {
+		osd_req_get_attributes(or, &ios->obj);
+		EXOFS_DBGMSG2("obj(0x%llx) get_attributes=%d dev=%d\n",
+			      _LLU(ios->obj.id), ios->in_attr_len, first_dev);
+	}
+	if (ios->out_attr)
+		osd_req_add_set_attr_list(or, ios->out_attr, ios->out_attr_len);
 
-out:
+	if (ios->in_attr)
+		osd_req_add_get_attr_list(or, ios->in_attr, ios->in_attr_len);
+
+	return 0;
+}
+
+int exofs_sbi_read(struct exofs_io_state *ios)
+{
+	int i;
+	int ret;
+
+	ret = _prepare_for_striping(ios);
+	if (unlikely(ret))
+		return ret;
+
+	for (i = 0; i < ios->numdevs; i += ios->layout->mirrors_p1) {
+		ret = _sbi_read_mirror(ios, i);
+		if (unlikely(ret))
+			return ret;
+	}
+
+	ret = exofs_io_execute(ios);
 	return ret;
 }
 
@@ -380,42 +741,82 @@ int extract_attr_from_ios(struct exofs_io_state *ios, struct osd_attr *attr)
 	return -EIO;
 }
 
+static int _truncate_mirrors(struct exofs_io_state *ios, unsigned cur_comp,
+			     struct osd_attr *attr)
+{
+	int last_comp = cur_comp + ios->layout->mirrors_p1;
+
+	for (; cur_comp < last_comp; ++cur_comp) {
+		struct exofs_per_dev_state *per_dev = &ios->per_dev[cur_comp];
+		struct osd_request *or;
+
+		or = osd_start_request(exofs_ios_od(ios, cur_comp), GFP_KERNEL);
+		if (unlikely(!or)) {
+			EXOFS_ERR("%s: osd_start_request failed\n", __func__);
+			return -ENOMEM;
+		}
+		per_dev->or = or;
+
+		osd_req_set_attributes(or, &ios->obj);
+		osd_req_add_set_attr_list(or, attr, 1);
+	}
+
+	return 0;
+}
+
 int exofs_oi_truncate(struct exofs_i_info *oi, u64 size)
 {
 	struct exofs_sb_info *sbi = oi->vfs_inode.i_sb->s_fs_info;
 	struct exofs_io_state *ios;
-	struct osd_attr attr;
-	__be64 newsize;
+	struct exofs_trunc_attr {
+		struct osd_attr attr;
+		__be64 newsize;
+	} *size_attrs;
+	struct _striping_info si;
 	int i, ret;
 
-	if (exofs_get_io_state(sbi, &ios))
-		return -ENOMEM;
+	ret = exofs_get_io_state(&sbi->layout, &ios);
+	if (unlikely(ret))
+		return ret;
+
+	size_attrs = kcalloc(ios->layout->group_width, sizeof(*size_attrs),
+			     GFP_KERNEL);
+	if (unlikely(!size_attrs)) {
+		ret = -ENOMEM;
+		goto out;
+	}
 
 	ios->obj.id = exofs_oi_objno(oi);
 	ios->cred = oi->i_cred;
 
-	newsize = cpu_to_be64(size);
-	attr = g_attr_logical_length;
-	attr.val_ptr = &newsize;
+	ios->numdevs = ios->layout->s_numdevs;
+	_calc_stripe_info(ios, size, &si);
 
-	for (i = 0; i < sbi->s_numdevs; i++) {
-		struct osd_request *or;
+	for (i = 0; i < ios->layout->group_width; ++i) {
+		struct exofs_trunc_attr *size_attr = &size_attrs[i];
+		u64 obj_size;
 
-		or = osd_start_request(sbi->s_ods[i], GFP_KERNEL);
-		if (unlikely(!or)) {
-			EXOFS_ERR("%s: osd_start_request failed\n", __func__);
-			ret = -ENOMEM;
-			goto out;
-		}
-		ios->per_dev[i].or = or;
-		ios->numdevs++;
+		if (i < si.dev)
+			obj_size = si.obj_offset +
+					ios->layout->stripe_unit - si.unit_off;
+		else if (i == si.dev)
+			obj_size = si.obj_offset;
+		else /* i > si.dev */
+			obj_size = si.obj_offset - si.unit_off;
 
-		osd_req_set_attributes(or, &ios->obj);
-		osd_req_add_set_attr_list(or, &attr, 1);
+		size_attr->newsize = cpu_to_be64(obj_size);
+		size_attr->attr = g_attr_logical_length;
+		size_attr->attr.val_ptr = &size_attr->newsize;
+
+		ret = _truncate_mirrors(ios, i * ios->layout->mirrors_p1,
+					&size_attr->attr);
+		if (unlikely(ret))
+			goto out;
 	}
 	ret = exofs_io_execute(ios);
 
 out:
+	kfree(size_attrs);
 	exofs_put_io_state(ios);
 	return ret;
 }
diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index a1d1e77b12eb..6cf5e4e84d61 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -210,7 +210,7 @@ int exofs_sync_fs(struct super_block *sb, int wait)
 	sbi = sb->s_fs_info;
 	fscb = &sbi->s_fscb;
 
-	ret = exofs_get_io_state(sbi, &ios);
+	ret = exofs_get_io_state(&sbi->layout, &ios);
 	if (ret)
 		goto out;
 
@@ -264,12 +264,12 @@ static void _exofs_print_device(const char *msg, const char *dev_path,
 
 void exofs_free_sbi(struct exofs_sb_info *sbi)
 {
-	while (sbi->s_numdevs) {
-		int i = --sbi->s_numdevs;
-		struct osd_dev *od = sbi->s_ods[i];
+	while (sbi->layout.s_numdevs) {
+		int i = --sbi->layout.s_numdevs;
+		struct osd_dev *od = sbi->layout.s_ods[i];
 
 		if (od) {
-			sbi->s_ods[i] = NULL;
+			sbi->layout.s_ods[i] = NULL;
 			osduld_put_device(od);
 		}
 	}
@@ -298,7 +298,8 @@ static void exofs_put_super(struct super_block *sb)
 				  msecs_to_jiffies(100));
 	}
 
-	_exofs_print_device("Unmounting", NULL, sbi->s_ods[0], sbi->s_pid);
+	_exofs_print_device("Unmounting", NULL, sbi->layout.s_ods[0],
+			    sbi->layout.s_pid);
 
 	exofs_free_sbi(sbi);
 	sb->s_fs_info = NULL;
@@ -307,6 +308,8 @@ static void exofs_put_super(struct super_block *sb)
 static int _read_and_match_data_map(struct exofs_sb_info *sbi, unsigned numdevs,
 				    struct exofs_device_table *dt)
 {
+	u64 stripe_length;
+
 	sbi->data_map.odm_num_comps   =
 				le32_to_cpu(dt->dt_data_map.cb_num_comps);
 	sbi->data_map.odm_stripe_unit =
@@ -320,14 +323,63 @@ static int _read_and_match_data_map(struct exofs_sb_info *sbi, unsigned numdevs,
 	sbi->data_map.odm_raid_algorithm  =
 				le32_to_cpu(dt->dt_data_map.cb_raid_algorithm);
 
-/* FIXME: Hard coded mirror only for now. if not so do not mount */
-	if ((sbi->data_map.odm_num_comps != numdevs) ||
-	    (sbi->data_map.odm_stripe_unit != EXOFS_BLKSIZE) ||
-	    (sbi->data_map.odm_raid_algorithm != PNFS_OSD_RAID_0) ||
-	    (sbi->data_map.odm_mirror_cnt != (numdevs - 1)))
+/* FIXME: Only raid0 for now. if not so, do not mount */
+	if (sbi->data_map.odm_num_comps != numdevs) {
+		EXOFS_ERR("odm_num_comps(%u) != numdevs(%u)\n",
+			  sbi->data_map.odm_num_comps, numdevs);
 		return -EINVAL;
-	else
-		return 0;
+	}
+	if (sbi->data_map.odm_raid_algorithm != PNFS_OSD_RAID_0) {
+		EXOFS_ERR("Only RAID_0 for now\n");
+		return -EINVAL;
+	}
+	if (0 != (numdevs % (sbi->data_map.odm_mirror_cnt + 1))) {
+		EXOFS_ERR("Data Map wrong, numdevs=%d mirrors=%d\n",
+			  numdevs, sbi->data_map.odm_mirror_cnt);
+		return -EINVAL;
+	}
+
+	if (0 != (sbi->data_map.odm_stripe_unit & ~PAGE_MASK)) {
+		EXOFS_ERR("Stripe Unit(0x%llx)"
+			  " must be Multples of PAGE_SIZE(0x%lx)\n",
+			  _LLU(sbi->data_map.odm_stripe_unit), PAGE_SIZE);
+		return -EINVAL;
+	}
+
+	sbi->layout.stripe_unit = sbi->data_map.odm_stripe_unit;
+	sbi->layout.mirrors_p1 = sbi->data_map.odm_mirror_cnt + 1;
+
+	if (sbi->data_map.odm_group_width) {
+		sbi->layout.group_width = sbi->data_map.odm_group_width;
+		sbi->layout.group_depth = sbi->data_map.odm_group_depth;
+		if (!sbi->layout.group_depth) {
+			EXOFS_ERR("group_depth == 0 && group_width != 0\n");
+			return -EINVAL;
+		}
+		sbi->layout.group_count = sbi->data_map.odm_num_comps /
+						sbi->layout.mirrors_p1 /
+						sbi->data_map.odm_group_width;
+	} else {
+		if (sbi->data_map.odm_group_depth) {
+			printk(KERN_NOTICE "Warning: group_depth ignored "
+				"group_width == 0 && group_depth == %d\n",
+				sbi->data_map.odm_group_depth);
+			sbi->data_map.odm_group_depth = 0;
+		}
+		sbi->layout.group_width = sbi->data_map.odm_num_comps /
+							sbi->layout.mirrors_p1;
+		sbi->layout.group_depth = -1;
+		sbi->layout.group_count = 1;
+	}
+
+	stripe_length = (u64)sbi->layout.group_width * sbi->layout.stripe_unit;
+	if (stripe_length >= (1ULL << 32)) {
+		EXOFS_ERR("Total Stripe length(0x%llx)"
+			  " >= 32bit is not supported\n", _LLU(stripe_length));
+		return -EINVAL;
+	}
+
+	return 0;
 }
 
 /* @odi is valid only as long as @fscb_dev is valid */
@@ -361,7 +413,7 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info **psbi,
 {
 	struct exofs_sb_info *sbi = *psbi;
 	struct osd_dev *fscb_od;
-	struct osd_obj_id obj = {.partition = sbi->s_pid,
+	struct osd_obj_id obj = {.partition = sbi->layout.s_pid,
 				 .id = EXOFS_DEVTABLE_ID};
 	struct exofs_device_table *dt;
 	unsigned table_bytes = table_count * sizeof(dt->dt_dev_table[0]) +
@@ -376,9 +428,9 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info **psbi,
 		return -ENOMEM;
 	}
 
-	fscb_od = sbi->s_ods[0];
-	sbi->s_ods[0] = NULL;
-	sbi->s_numdevs = 0;
+	fscb_od = sbi->layout.s_ods[0];
+	sbi->layout.s_ods[0] = NULL;
+	sbi->layout.s_numdevs = 0;
 	ret = exofs_read_kern(fscb_od, sbi->s_cred, &obj, 0, dt, table_bytes);
 	if (unlikely(ret)) {
 		EXOFS_ERR("ERROR: reading device table\n");
@@ -397,14 +449,15 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info **psbi,
 		goto out;
 
 	if (likely(numdevs > 1)) {
-		unsigned size = numdevs * sizeof(sbi->s_ods[0]);
+		unsigned size = numdevs * sizeof(sbi->layout.s_ods[0]);
 
 		sbi = krealloc(sbi, sizeof(*sbi) + size, GFP_KERNEL);
 		if (unlikely(!sbi)) {
 			ret = -ENOMEM;
 			goto out;
 		}
-		memset(&sbi->s_ods[1], 0, size - sizeof(sbi->s_ods[0]));
+		memset(&sbi->layout.s_ods[1], 0,
+		       size - sizeof(sbi->layout.s_ods[0]));
 		*psbi = sbi;
 	}
 
@@ -427,8 +480,8 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info **psbi,
 		 * line. We always keep them in device-table order.
 		 */
 		if (fscb_od && osduld_device_same(fscb_od, &odi)) {
-			sbi->s_ods[i] = fscb_od;
-			++sbi->s_numdevs;
+			sbi->layout.s_ods[i] = fscb_od;
+			++sbi->layout.s_numdevs;
 			fscb_od = NULL;
 			continue;
 		}
@@ -441,8 +494,8 @@ static int exofs_read_lookup_dev_table(struct exofs_sb_info **psbi,
 			goto out;
 		}
 
-		sbi->s_ods[i] = od;
-		++sbi->s_numdevs;
+		sbi->layout.s_ods[i] = od;
+		++sbi->layout.s_numdevs;
 
 		/* Read the fscb of the other devices to make sure the FS
 		 * partition is there.
@@ -499,9 +552,15 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
 		goto free_sbi;
 	}
 
-	sbi->s_ods[0] = od;
-	sbi->s_numdevs = 1;
-	sbi->s_pid = opts->pid;
+	/* Default layout in case we do not have a device-table */
+	sbi->layout.stripe_unit = PAGE_SIZE;
+	sbi->layout.mirrors_p1 = 1;
+	sbi->layout.group_width = 1;
+	sbi->layout.group_depth = -1;
+	sbi->layout.group_count = 1;
+	sbi->layout.s_ods[0] = od;
+	sbi->layout.s_numdevs = 1;
+	sbi->layout.s_pid = opts->pid;
 	sbi->s_timeout = opts->timeout;
 
 	/* fill in some other data by hand */
@@ -514,7 +573,7 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
 	sb->s_bdev = NULL;
 	sb->s_dev = 0;
 
-	obj.partition = sbi->s_pid;
+	obj.partition = sbi->layout.s_pid;
 	obj.id = EXOFS_SUPER_ID;
 	exofs_make_credential(sbi->s_cred, &obj);
 
@@ -578,13 +637,13 @@ static int exofs_fill_super(struct super_block *sb, void *data, int silent)
 		goto free_sbi;
 	}
 
-	_exofs_print_device("Mounting", opts->dev_name, sbi->s_ods[0],
-			    sbi->s_pid);
+	_exofs_print_device("Mounting", opts->dev_name, sbi->layout.s_ods[0],
+			    sbi->layout.s_pid);
 	return 0;
 
 free_sbi:
 	EXOFS_ERR("Unable to mount exofs on %s pid=0x%llx err=%d\n",
-		  opts->dev_name, sbi->s_pid, ret);
+		  opts->dev_name, sbi->layout.s_pid, ret);
 	exofs_free_sbi(sbi);
 	return ret;
 }
@@ -627,7 +686,7 @@ static int exofs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	uint8_t cred_a[OSD_CAP_LEN];
 	int ret;
 
-	ret = exofs_get_io_state(sbi, &ios);
+	ret = exofs_get_io_state(&sbi->layout, &ios);
 	if (ret) {
 		EXOFS_DBGMSG("exofs_get_io_state failed.\n");
 		return ret;
diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c
index 7f8d2e5a7ea6..1d081f0cfec2 100644
--- a/fs/ext2/balloc.c
+++ b/fs/ext2/balloc.c
@@ -570,7 +570,7 @@ do_more:
 error_return:
 	brelse(bitmap_bh);
 	release_blocks(sb, freed);
-	vfs_dq_free_block(inode, freed);
+	dquot_free_block(inode, freed);
 }
 
 /**
@@ -1236,6 +1236,7 @@ ext2_fsblk_t ext2_new_blocks(struct inode *inode, ext2_fsblk_t goal,
 	unsigned short windowsz = 0;
 	unsigned long ngroups;
 	unsigned long num = *count;
+	int ret;
 
 	*errp = -ENOSPC;
 	sb = inode->i_sb;
@@ -1247,8 +1248,9 @@ ext2_fsblk_t ext2_new_blocks(struct inode *inode, ext2_fsblk_t goal,
 	/*
 	 * Check quota for allocation of this block.
 	 */
-	if (vfs_dq_alloc_block(inode, num)) {
-		*errp = -EDQUOT;
+	ret = dquot_alloc_block(inode, num);
+	if (ret) {
+		*errp = ret;
 		return 0;
 	}
 
@@ -1409,7 +1411,7 @@ allocated:
 
 	*errp = 0;
 	brelse(bitmap_bh);
-	vfs_dq_free_block(inode, *count-num);
+	dquot_free_block(inode, *count-num);
 	*count = num;
 	return ret_block;
 
@@ -1420,7 +1422,7 @@ out:
 	 * Undo the block allocation
 	 */
 	if (!performed_allocation)
-		vfs_dq_free_block(inode, *count);
+		dquot_free_block(inode, *count);
 	brelse(bitmap_bh);
 	return 0;
 }
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 061914add3cf..0b038e47ad2f 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -118,7 +118,7 @@ extern unsigned long ext2_count_free (struct buffer_head *, unsigned);
 
 /* inode.c */
 extern struct inode *ext2_iget (struct super_block *, unsigned long);
-extern int ext2_write_inode (struct inode *, int);
+extern int ext2_write_inode (struct inode *, struct writeback_control *);
 extern void ext2_delete_inode (struct inode *);
 extern int ext2_sync_inode (struct inode *);
 extern int ext2_get_block(struct inode *, sector_t, struct buffer_head *, int);
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index 586e3589d4c2..5d198d0697fb 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -20,6 +20,7 @@
 
 #include <linux/time.h>
 #include <linux/pagemap.h>
+#include <linux/quotaops.h>
 #include "ext2.h"
 #include "xattr.h"
 #include "acl.h"
@@ -70,7 +71,7 @@ const struct file_operations ext2_file_operations = {
 	.compat_ioctl	= ext2_compat_ioctl,
 #endif
 	.mmap		= generic_file_mmap,
-	.open		= generic_file_open,
+	.open		= dquot_file_open,
 	.release	= ext2_release_file,
 	.fsync		= ext2_fsync,
 	.splice_read	= generic_file_splice_read,
@@ -87,7 +88,7 @@ const struct file_operations ext2_xip_file_operations = {
 	.compat_ioctl	= ext2_compat_ioctl,
 #endif
 	.mmap		= xip_file_mmap,
-	.open		= generic_file_open,
+	.open		= dquot_file_open,
 	.release	= ext2_release_file,
 	.fsync		= ext2_fsync,
 };
diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
index 15387c9c17d8..ad7d572ee8dc 100644
--- a/fs/ext2/ialloc.c
+++ b/fs/ext2/ialloc.c
@@ -121,8 +121,8 @@ void ext2_free_inode (struct inode * inode)
 	if (!is_bad_inode(inode)) {
 		/* Quota is already initialized in iput() */
 		ext2_xattr_delete_inode(inode);
-		vfs_dq_free_inode(inode);
-		vfs_dq_drop(inode);
+		dquot_free_inode(inode);
+		dquot_drop(inode);
 	}
 
 	es = EXT2_SB(sb)->s_es;
@@ -586,10 +586,10 @@ got:
 		goto fail_drop;
 	}
 
-	if (vfs_dq_alloc_inode(inode)) {
-		err = -EDQUOT;
+	dquot_initialize(inode);
+	err = dquot_alloc_inode(inode);
+	if (err)
 		goto fail_drop;
-	}
 
 	err = ext2_init_acl(inode, dir);
 	if (err)
@@ -605,10 +605,10 @@ got:
 	return inode;
 
 fail_free_drop:
-	vfs_dq_free_inode(inode);
+	dquot_free_inode(inode);
 
 fail_drop:
-	vfs_dq_drop(inode);
+	dquot_drop(inode);
 	inode->i_flags |= S_NOQUOTA;
 	inode->i_nlink = 0;
 	unlock_new_inode(inode);
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 71b032c65a02..fc13cc119aad 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -41,6 +41,8 @@ MODULE_AUTHOR("Remy Card and others");
 MODULE_DESCRIPTION("Second Extended Filesystem");
 MODULE_LICENSE("GPL");
 
+static int __ext2_write_inode(struct inode *inode, int do_sync);
+
 /*
  * Test whether an inode is a fast symlink.
  */
@@ -58,13 +60,15 @@ static inline int ext2_inode_is_fast_symlink(struct inode *inode)
  */
 void ext2_delete_inode (struct inode * inode)
 {
+	if (!is_bad_inode(inode))
+		dquot_initialize(inode);
 	truncate_inode_pages(&inode->i_data, 0);
 
 	if (is_bad_inode(inode))
 		goto no_delete;
 	EXT2_I(inode)->i_dtime	= get_seconds();
 	mark_inode_dirty(inode);
-	ext2_write_inode(inode, inode_needs_sync(inode));
+	__ext2_write_inode(inode, inode_needs_sync(inode));
 
 	inode->i_size = 0;
 	if (inode->i_blocks)
@@ -1335,7 +1339,7 @@ bad_inode:
 	return ERR_PTR(ret);
 }
 
-int ext2_write_inode(struct inode *inode, int do_sync)
+static int __ext2_write_inode(struct inode *inode, int do_sync)
 {
 	struct ext2_inode_info *ei = EXT2_I(inode);
 	struct super_block *sb = inode->i_sb;
@@ -1440,6 +1444,11 @@ int ext2_write_inode(struct inode *inode, int do_sync)
 	return err;
 }
 
+int ext2_write_inode(struct inode *inode, struct writeback_control *wbc)
+{
+	return __ext2_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
+}
+
 int ext2_sync_inode(struct inode *inode)
 {
 	struct writeback_control wbc = {
@@ -1457,9 +1466,12 @@ int ext2_setattr(struct dentry *dentry, struct iattr *iattr)
 	error = inode_change_ok(inode, iattr);
 	if (error)
 		return error;
+
+	if (iattr->ia_valid & ATTR_SIZE)
+		dquot_initialize(inode);
 	if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
 	    (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
-		error = vfs_dq_transfer(inode, iattr) ? -EDQUOT : 0;
+		error = dquot_transfer(inode, iattr);
 		if (error)
 			return error;
 	}
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index dd7175ce5606..71efb0e9a3f2 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -31,6 +31,7 @@
  */
 
 #include <linux/pagemap.h>
+#include <linux/quotaops.h>
 #include "ext2.h"
 #include "xattr.h"
 #include "acl.h"
@@ -99,24 +100,27 @@ struct dentry *ext2_get_parent(struct dentry *child)
  */
 static int ext2_create (struct inode * dir, struct dentry * dentry, int mode, struct nameidata *nd)
 {
-	struct inode * inode = ext2_new_inode (dir, mode);
-	int err = PTR_ERR(inode);
-	if (!IS_ERR(inode)) {
-		inode->i_op = &ext2_file_inode_operations;
-		if (ext2_use_xip(inode->i_sb)) {
-			inode->i_mapping->a_ops = &ext2_aops_xip;
-			inode->i_fop = &ext2_xip_file_operations;
-		} else if (test_opt(inode->i_sb, NOBH)) {
-			inode->i_mapping->a_ops = &ext2_nobh_aops;
-			inode->i_fop = &ext2_file_operations;
-		} else {
-			inode->i_mapping->a_ops = &ext2_aops;
-			inode->i_fop = &ext2_file_operations;
-		}
-		mark_inode_dirty(inode);
-		err = ext2_add_nondir(dentry, inode);
+	struct inode *inode;
+
+	dquot_initialize(dir);
+
+	inode = ext2_new_inode(dir, mode);
+	if (IS_ERR(inode))
+		return PTR_ERR(inode);
+
+	inode->i_op = &ext2_file_inode_operations;
+	if (ext2_use_xip(inode->i_sb)) {
+		inode->i_mapping->a_ops = &ext2_aops_xip;
+		inode->i_fop = &ext2_xip_file_operations;
+	} else if (test_opt(inode->i_sb, NOBH)) {
+		inode->i_mapping->a_ops = &ext2_nobh_aops;
+		inode->i_fop = &ext2_file_operations;
+	} else {
+		inode->i_mapping->a_ops = &ext2_aops;
+		inode->i_fop = &ext2_file_operations;
 	}
-	return err;
+	mark_inode_dirty(inode);
+	return ext2_add_nondir(dentry, inode);
 }
 
 static int ext2_mknod (struct inode * dir, struct dentry *dentry, int mode, dev_t rdev)
@@ -127,6 +131,8 @@ static int ext2_mknod (struct inode * dir, struct dentry *dentry, int mode, dev_
 	if (!new_valid_dev(rdev))
 		return -EINVAL;
 
+	dquot_initialize(dir);
+
 	inode = ext2_new_inode (dir, mode);
 	err = PTR_ERR(inode);
 	if (!IS_ERR(inode)) {
@@ -151,6 +157,8 @@ static int ext2_symlink (struct inode * dir, struct dentry * dentry,
 	if (l > sb->s_blocksize)
 		goto out;
 
+	dquot_initialize(dir);
+
 	inode = ext2_new_inode (dir, S_IFLNK | S_IRWXUGO);
 	err = PTR_ERR(inode);
 	if (IS_ERR(inode))
@@ -194,6 +202,8 @@ static int ext2_link (struct dentry * old_dentry, struct inode * dir,
 	if (inode->i_nlink >= EXT2_LINK_MAX)
 		return -EMLINK;
 
+	dquot_initialize(dir);
+
 	inode->i_ctime = CURRENT_TIME_SEC;
 	inode_inc_link_count(inode);
 	atomic_inc(&inode->i_count);
@@ -216,6 +226,8 @@ static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode)
 	if (dir->i_nlink >= EXT2_LINK_MAX)
 		goto out;
 
+	dquot_initialize(dir);
+
 	inode_inc_link_count(dir);
 
 	inode = ext2_new_inode (dir, S_IFDIR | mode);
@@ -262,6 +274,8 @@ static int ext2_unlink(struct inode * dir, struct dentry *dentry)
 	struct page * page;
 	int err = -ENOENT;
 
+	dquot_initialize(dir);
+
 	de = ext2_find_entry (dir, &dentry->d_name, &page);
 	if (!de)
 		goto out;
@@ -304,6 +318,9 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry,
 	struct ext2_dir_entry_2 * old_de;
 	int err = -ENOENT;
 
+	dquot_initialize(old_dir);
+	dquot_initialize(new_dir);
+
 	old_de = ext2_find_entry (old_dir, &old_dentry->d_name, &old_page);
 	if (!old_de)
 		goto out;
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index f9cb54a585ce..42e4a303b675 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -194,6 +194,8 @@ static void destroy_inodecache(void)
 static void ext2_clear_inode(struct inode *inode)
 {
 	struct ext2_block_alloc_info *rsv = EXT2_I(inode)->i_block_alloc_info;
+
+	dquot_drop(inode);
 	ext2_discard_reservation(inode);
 	EXT2_I(inode)->i_block_alloc_info = NULL;
 	if (unlikely(rsv))
diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c
index 904f00642f84..e44dc92609be 100644
--- a/fs/ext2/xattr.c
+++ b/fs/ext2/xattr.c
@@ -644,8 +644,8 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
 				   the inode.  */
 				ea_bdebug(new_bh, "reusing block");
 
-				error = -EDQUOT;
-				if (vfs_dq_alloc_block(inode, 1)) {
+				error = dquot_alloc_block(inode, 1);
+				if (error) {
 					unlock_buffer(new_bh);
 					goto cleanup;
 				}
@@ -702,7 +702,7 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
 		 * as if nothing happened and cleanup the unused block */
 		if (error && error != -ENOSPC) {
 			if (new_bh && new_bh != old_bh)
-				vfs_dq_free_block(inode, 1);
+				dquot_free_block(inode, 1);
 			goto cleanup;
 		}
 	} else
@@ -734,7 +734,7 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh,
 			le32_add_cpu(&HDR(old_bh)->h_refcount, -1);
 			if (ce)
 				mb_cache_entry_release(ce);
-			vfs_dq_free_block(inode, 1);
+			dquot_free_block(inode, 1);
 			mark_buffer_dirty(old_bh);
 			ea_bdebug(old_bh, "refcount now=%d",
 				le32_to_cpu(HDR(old_bh)->h_refcount));
@@ -797,7 +797,7 @@ ext2_xattr_delete_inode(struct inode *inode)
 		mark_buffer_dirty(bh);
 		if (IS_SYNC(inode))
 			sync_dirty_buffer(bh);
-		vfs_dq_free_block(inode, 1);
+		dquot_free_block(inode, 1);
 	}
 	EXT2_I(inode)->i_file_acl = 0;
 
diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c
index 27967f92e820..161da2d3f890 100644
--- a/fs/ext3/balloc.c
+++ b/fs/ext3/balloc.c
@@ -676,7 +676,7 @@ void ext3_free_blocks(handle_t *handle, struct inode *inode,
 	}
 	ext3_free_blocks_sb(handle, sb, block, count, &dquot_freed_blocks);
 	if (dquot_freed_blocks)
-		vfs_dq_free_block(inode, dquot_freed_blocks);
+		dquot_free_block(inode, dquot_freed_blocks);
 	return;
 }
 
@@ -1502,8 +1502,9 @@ ext3_fsblk_t ext3_new_blocks(handle_t *handle, struct inode *inode,
 	/*
 	 * Check quota for allocation of this block.
 	 */
-	if (vfs_dq_alloc_block(inode, num)) {
-		*errp = -EDQUOT;
+	err = dquot_alloc_block(inode, num);
+	if (err) {
+		*errp = err;
 		return 0;
 	}
 
@@ -1713,7 +1714,7 @@ allocated:
 
 	*errp = 0;
 	brelse(bitmap_bh);
-	vfs_dq_free_block(inode, *count-num);
+	dquot_free_block(inode, *count-num);
 	*count = num;
 	return ret_block;
 
@@ -1728,7 +1729,7 @@ out:
 	 * Undo the block allocation
 	 */
 	if (!performed_allocation)
-		vfs_dq_free_block(inode, *count);
+		dquot_free_block(inode, *count);
 	brelse(bitmap_bh);
 	return 0;
 }
diff --git a/fs/ext3/file.c b/fs/ext3/file.c
index 388bbdfa0b4e..f55df0e61cbd 100644
--- a/fs/ext3/file.c
+++ b/fs/ext3/file.c
@@ -21,6 +21,7 @@
 #include <linux/time.h>
 #include <linux/fs.h>
 #include <linux/jbd.h>
+#include <linux/quotaops.h>
 #include <linux/ext3_fs.h>
 #include <linux/ext3_jbd.h>
 #include "xattr.h"
@@ -33,9 +34,9 @@
  */
 static int ext3_release_file (struct inode * inode, struct file * filp)
 {
-	if (EXT3_I(inode)->i_state & EXT3_STATE_FLUSH_ON_CLOSE) {
+	if (ext3_test_inode_state(inode, EXT3_STATE_FLUSH_ON_CLOSE)) {
 		filemap_flush(inode->i_mapping);
-		EXT3_I(inode)->i_state &= ~EXT3_STATE_FLUSH_ON_CLOSE;
+		ext3_clear_inode_state(inode, EXT3_STATE_FLUSH_ON_CLOSE);
 	}
 	/* if we are the last writer on the inode, drop the block reservation */
 	if ((filp->f_mode & FMODE_WRITE) &&
@@ -62,7 +63,7 @@ const struct file_operations ext3_file_operations = {
 	.compat_ioctl	= ext3_compat_ioctl,
 #endif
 	.mmap		= generic_file_mmap,
-	.open		= generic_file_open,
+	.open		= dquot_file_open,
 	.release	= ext3_release_file,
 	.fsync		= ext3_sync_file,
 	.splice_read	= generic_file_splice_read,
diff --git a/fs/ext3/ialloc.c b/fs/ext3/ialloc.c
index b39991285136..0d0e97ed3ff6 100644
--- a/fs/ext3/ialloc.c
+++ b/fs/ext3/ialloc.c
@@ -123,10 +123,10 @@ void ext3_free_inode (handle_t *handle, struct inode * inode)
 	 * Note: we must free any quota before locking the superblock,
 	 * as writing the quota to disk may need the lock as well.
 	 */
-	vfs_dq_init(inode);
+	dquot_initialize(inode);
 	ext3_xattr_delete_inode(handle, inode);
-	vfs_dq_free_inode(inode);
-	vfs_dq_drop(inode);
+	dquot_free_inode(inode);
+	dquot_drop(inode);
 
 	is_directory = S_ISDIR(inode->i_mode);
 
@@ -582,16 +582,18 @@ got:
 	inode->i_generation = sbi->s_next_generation++;
 	spin_unlock(&sbi->s_next_gen_lock);
 
-	ei->i_state = EXT3_STATE_NEW;
+	ei->i_state_flags = 0;
+	ext3_set_inode_state(inode, EXT3_STATE_NEW);
+
 	ei->i_extra_isize =
 		(EXT3_INODE_SIZE(inode->i_sb) > EXT3_GOOD_OLD_INODE_SIZE) ?
 		sizeof(struct ext3_inode) - EXT3_GOOD_OLD_INODE_SIZE : 0;
 
 	ret = inode;
-	if (vfs_dq_alloc_inode(inode)) {
-		err = -EDQUOT;
+	dquot_initialize(inode);
+	err = dquot_alloc_inode(inode);
+	if (err)
 		goto fail_drop;
-	}
 
 	err = ext3_init_acl(handle, inode, dir);
 	if (err)
@@ -619,10 +621,10 @@ really_out:
 	return ret;
 
 fail_free_drop:
-	vfs_dq_free_inode(inode);
+	dquot_free_inode(inode);
 
 fail_drop:
-	vfs_dq_drop(inode);
+	dquot_drop(inode);
 	inode->i_flags |= S_NOQUOTA;
 	inode->i_nlink = 0;
 	unlock_new_inode(inode);
diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c
index 455e6e6e5cb9..ea33bdf0a300 100644
--- a/fs/ext3/inode.c
+++ b/fs/ext3/inode.c
@@ -196,6 +196,9 @@ void ext3_delete_inode (struct inode * inode)
 {
 	handle_t *handle;
 
+	if (!is_bad_inode(inode))
+		dquot_initialize(inode);
+
 	truncate_inode_pages(&inode->i_data, 0);
 
 	if (is_bad_inode(inode))
@@ -1378,7 +1381,7 @@ static int ext3_journalled_write_end(struct file *file,
 	 */
 	if (pos + len > inode->i_size && ext3_can_truncate(inode))
 		ext3_orphan_add(handle, inode);
-	EXT3_I(inode)->i_state |= EXT3_STATE_JDATA;
+	ext3_set_inode_state(inode, EXT3_STATE_JDATA);
 	if (inode->i_size > EXT3_I(inode)->i_disksize) {
 		EXT3_I(inode)->i_disksize = inode->i_size;
 		ret2 = ext3_mark_inode_dirty(handle, inode);
@@ -1417,7 +1420,7 @@ static sector_t ext3_bmap(struct address_space *mapping, sector_t block)
 	journal_t *journal;
 	int err;
 
-	if (EXT3_I(inode)->i_state & EXT3_STATE_JDATA) {
+	if (ext3_test_inode_state(inode, EXT3_STATE_JDATA)) {
 		/*
 		 * This is a REALLY heavyweight approach, but the use of
 		 * bmap on dirty files is expected to be extremely rare:
@@ -1436,7 +1439,7 @@ static sector_t ext3_bmap(struct address_space *mapping, sector_t block)
 		 * everything they get.
 		 */
 
-		EXT3_I(inode)->i_state &= ~EXT3_STATE_JDATA;
+		ext3_clear_inode_state(inode, EXT3_STATE_JDATA);
 		journal = EXT3_JOURNAL(inode);
 		journal_lock_updates(journal);
 		err = journal_flush(journal);
@@ -1528,6 +1531,7 @@ static int ext3_ordered_writepage(struct page *page,
 	int err;
 
 	J_ASSERT(PageLocked(page));
+	WARN_ON_ONCE(IS_RDONLY(inode));
 
 	/*
 	 * We give up here if we're reentered, because it might be for a
@@ -1600,6 +1604,9 @@ static int ext3_writeback_writepage(struct page *page,
 	int ret = 0;
 	int err;
 
+	J_ASSERT(PageLocked(page));
+	WARN_ON_ONCE(IS_RDONLY(inode));
+
 	if (ext3_journal_current_handle())
 		goto out_fail;
 
@@ -1642,6 +1649,9 @@ static int ext3_journalled_writepage(struct page *page,
 	int ret = 0;
 	int err;
 
+	J_ASSERT(PageLocked(page));
+	WARN_ON_ONCE(IS_RDONLY(inode));
+
 	if (ext3_journal_current_handle())
 		goto no_write;
 
@@ -1670,7 +1680,7 @@ static int ext3_journalled_writepage(struct page *page,
 				PAGE_CACHE_SIZE, NULL, write_end_fn);
 		if (ret == 0)
 			ret = err;
-		EXT3_I(inode)->i_state |= EXT3_STATE_JDATA;
+		ext3_set_inode_state(inode, EXT3_STATE_JDATA);
 		unlock_page(page);
 	} else {
 		/*
@@ -1785,8 +1795,9 @@ retry:
 		handle = ext3_journal_start(inode, 2);
 		if (IS_ERR(handle)) {
 			/* This is really bad luck. We've written the data
-			 * but cannot extend i_size. Bail out and pretend
-			 * the write failed... */
+			 * but cannot extend i_size. Truncate allocated blocks
+			 * and pretend the write failed... */
+			ext3_truncate(inode);
 			ret = PTR_ERR(handle);
 			goto out;
 		}
@@ -2402,7 +2413,7 @@ void ext3_truncate(struct inode *inode)
 		goto out_notrans;
 
 	if (inode->i_size == 0 && ext3_should_writeback_data(inode))
-		ei->i_state |= EXT3_STATE_FLUSH_ON_CLOSE;
+		ext3_set_inode_state(inode, EXT3_STATE_FLUSH_ON_CLOSE);
 
 	/*
 	 * We have to lock the EOF page here, because lock_page() nests
@@ -2721,7 +2732,7 @@ int ext3_get_inode_loc(struct inode *inode, struct ext3_iloc *iloc)
 {
 	/* We have all inode data except xattrs in memory here. */
 	return __ext3_get_inode_loc(inode, iloc,
-		!(EXT3_I(inode)->i_state & EXT3_STATE_XATTR));
+		!ext3_test_inode_state(inode, EXT3_STATE_XATTR));
 }
 
 void ext3_set_inode_flags(struct inode *inode)
@@ -2800,7 +2811,7 @@ struct inode *ext3_iget(struct super_block *sb, unsigned long ino)
 	inode->i_mtime.tv_sec = (signed)le32_to_cpu(raw_inode->i_mtime);
 	inode->i_atime.tv_nsec = inode->i_ctime.tv_nsec = inode->i_mtime.tv_nsec = 0;
 
-	ei->i_state = 0;
+	ei->i_state_flags = 0;
 	ei->i_dir_start_lookup = 0;
 	ei->i_dtime = le32_to_cpu(raw_inode->i_dtime);
 	/* We now have enough fields to check if the inode was active or not.
@@ -2893,7 +2904,7 @@ struct inode *ext3_iget(struct super_block *sb, unsigned long ino)
 					EXT3_GOOD_OLD_INODE_SIZE +
 					ei->i_extra_isize;
 			if (*magic == cpu_to_le32(EXT3_XATTR_MAGIC))
-				 ei->i_state |= EXT3_STATE_XATTR;
+				 ext3_set_inode_state(inode, EXT3_STATE_XATTR);
 		}
 	} else
 		ei->i_extra_isize = 0;
@@ -2955,7 +2966,7 @@ again:
 
 	/* For fields not not tracking in the in-memory inode,
 	 * initialise them to zero for new inodes. */
-	if (ei->i_state & EXT3_STATE_NEW)
+	if (ext3_test_inode_state(inode, EXT3_STATE_NEW))
 		memset(raw_inode, 0, EXT3_SB(inode->i_sb)->s_inode_size);
 
 	ext3_get_inode_flags(ei);
@@ -3052,7 +3063,7 @@ again:
 	rc = ext3_journal_dirty_metadata(handle, bh);
 	if (!err)
 		err = rc;
-	ei->i_state &= ~EXT3_STATE_NEW;
+	ext3_clear_inode_state(inode, EXT3_STATE_NEW);
 
 	atomic_set(&ei->i_sync_tid, handle->h_transaction->t_tid);
 out_brelse:
@@ -3096,7 +3107,7 @@ out_brelse:
  * `stuff()' is running, and the new i_size will be lost.  Plus the inode
  * will no longer be on the superblock's dirty inode list.
  */
-int ext3_write_inode(struct inode *inode, int wait)
+int ext3_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	if (current->flags & PF_MEMALLOC)
 		return 0;
@@ -3107,7 +3118,7 @@ int ext3_write_inode(struct inode *inode, int wait)
 		return -EIO;
 	}
 
-	if (!wait)
+	if (wbc->sync_mode != WB_SYNC_ALL)
 		return 0;
 
 	return ext3_force_commit(inode->i_sb);
@@ -3140,6 +3151,8 @@ int ext3_setattr(struct dentry *dentry, struct iattr *attr)
 	if (error)
 		return error;
 
+	if (ia_valid & ATTR_SIZE)
+		dquot_initialize(inode);
 	if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
 		(ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
 		handle_t *handle;
@@ -3152,7 +3165,7 @@ int ext3_setattr(struct dentry *dentry, struct iattr *attr)
 			error = PTR_ERR(handle);
 			goto err_out;
 		}
-		error = vfs_dq_transfer(inode, attr) ? -EDQUOT : 0;
+		error = dquot_transfer(inode, attr);
 		if (error) {
 			ext3_journal_stop(handle);
 			return error;
@@ -3237,7 +3250,7 @@ static int ext3_writepage_trans_blocks(struct inode *inode)
 		ret = 2 * (bpp + indirects) + 2;
 
 #ifdef CONFIG_QUOTA
-	/* We know that structure was already allocated during vfs_dq_init so
+	/* We know that structure was already allocated during dquot_initialize so
 	 * we will be updating only the data blocks + inodes */
 	ret += EXT3_MAXQUOTAS_TRANS_BLOCKS(inode->i_sb);
 #endif
@@ -3328,7 +3341,7 @@ int ext3_mark_inode_dirty(handle_t *handle, struct inode *inode)
  * i_size has been changed by generic_commit_write() and we thus need
  * to include the updated inode in the current transaction.
  *
- * Also, vfs_dq_alloc_space() will always dirty the inode when blocks
+ * Also, dquot_alloc_space() will always dirty the inode when blocks
  * are allocated to the file.
  *
  * If the inode is marked synchronous, we don't honour that here - doing
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
index 7b0e44f7d66f..ee184084ca42 100644
--- a/fs/ext3/namei.c
+++ b/fs/ext3/namei.c
@@ -1696,6 +1696,8 @@ static int ext3_create (struct inode * dir, struct dentry * dentry, int mode,
 	struct inode * inode;
 	int err, retries = 0;
 
+	dquot_initialize(dir);
+
 retry:
 	handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
 					EXT3_INDEX_EXTRA_TRANS_BLOCKS + 3 +
@@ -1730,6 +1732,8 @@ static int ext3_mknod (struct inode * dir, struct dentry *dentry,
 	if (!new_valid_dev(rdev))
 		return -EINVAL;
 
+	dquot_initialize(dir);
+
 retry:
 	handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
 					EXT3_INDEX_EXTRA_TRANS_BLOCKS + 3 +
@@ -1766,6 +1770,8 @@ static int ext3_mkdir(struct inode * dir, struct dentry * dentry, int mode)
 	if (dir->i_nlink >= EXT3_LINK_MAX)
 		return -EMLINK;
 
+	dquot_initialize(dir);
+
 retry:
 	handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
 					EXT3_INDEX_EXTRA_TRANS_BLOCKS + 3 +
@@ -2060,7 +2066,9 @@ static int ext3_rmdir (struct inode * dir, struct dentry *dentry)
 
 	/* Initialize quotas before so that eventual writes go in
 	 * separate transaction */
-	vfs_dq_init(dentry->d_inode);
+	dquot_initialize(dir);
+	dquot_initialize(dentry->d_inode);
+
 	handle = ext3_journal_start(dir, EXT3_DELETE_TRANS_BLOCKS(dir->i_sb));
 	if (IS_ERR(handle))
 		return PTR_ERR(handle);
@@ -2119,7 +2127,9 @@ static int ext3_unlink(struct inode * dir, struct dentry *dentry)
 
 	/* Initialize quotas before so that eventual writes go
 	 * in separate transaction */
-	vfs_dq_init(dentry->d_inode);
+	dquot_initialize(dir);
+	dquot_initialize(dentry->d_inode);
+
 	handle = ext3_journal_start(dir, EXT3_DELETE_TRANS_BLOCKS(dir->i_sb));
 	if (IS_ERR(handle))
 		return PTR_ERR(handle);
@@ -2174,6 +2184,8 @@ static int ext3_symlink (struct inode * dir,
 	if (l > dir->i_sb->s_blocksize)
 		return -ENAMETOOLONG;
 
+	dquot_initialize(dir);
+
 retry:
 	handle = ext3_journal_start(dir, EXT3_DATA_TRANS_BLOCKS(dir->i_sb) +
 					EXT3_INDEX_EXTRA_TRANS_BLOCKS + 5 +
@@ -2228,6 +2240,9 @@ static int ext3_link (struct dentry * old_dentry,
 
 	if (inode->i_nlink >= EXT3_LINK_MAX)
 		return -EMLINK;
+
+	dquot_initialize(dir);
+
 	/*
 	 * Return -ENOENT if we've raced with unlink and i_nlink is 0.  Doing
 	 * otherwise has the potential to corrupt the orphan inode list.
@@ -2278,12 +2293,15 @@ static int ext3_rename (struct inode * old_dir, struct dentry *old_dentry,
 	struct ext3_dir_entry_2 * old_de, * new_de;
 	int retval, flush_file = 0;
 
+	dquot_initialize(old_dir);
+	dquot_initialize(new_dir);
+
 	old_bh = new_bh = dir_bh = NULL;
 
 	/* Initialize quotas before so that eventual writes go
 	 * in separate transaction */
 	if (new_dentry->d_inode)
-		vfs_dq_init(new_dentry->d_inode);
+		dquot_initialize(new_dentry->d_inode);
 	handle = ext3_journal_start(old_dir, 2 *
 					EXT3_DATA_TRANS_BLOCKS(old_dir->i_sb) +
 					EXT3_INDEX_EXTRA_TRANS_BLOCKS + 2);
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index afa2b569da10..1bee604cc6cd 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -164,7 +164,7 @@ void ext3_msg(struct super_block *sb, const char *prefix,
  * write out the superblock safely.
  *
  * We'll just use the journal_abort() error code to record an error in
- * the journal instead.  On recovery, the journal will compain about
+ * the journal instead.  On recovery, the journal will complain about
  * that error until we've noted it down and cleared it.
  */
 
@@ -181,7 +181,7 @@ static void ext3_handle_error(struct super_block *sb)
 	if (!test_opt (sb, ERRORS_CONT)) {
 		journal_t *journal = EXT3_SB(sb)->s_journal;
 
-		EXT3_SB(sb)->s_mount_opt |= EXT3_MOUNT_ABORT;
+		set_opt(EXT3_SB(sb)->s_mount_opt, ABORT);
 		if (journal)
 			journal_abort(journal, -EIO);
 	}
@@ -296,7 +296,7 @@ void ext3_abort (struct super_block * sb, const char * function,
 		"error: remounting filesystem read-only");
 	EXT3_SB(sb)->s_mount_state |= EXT3_ERROR_FS;
 	sb->s_flags |= MS_RDONLY;
-	EXT3_SB(sb)->s_mount_opt |= EXT3_MOUNT_ABORT;
+	set_opt(EXT3_SB(sb)->s_mount_opt, ABORT);
 	if (EXT3_SB(sb)->s_journal)
 		journal_abort(EXT3_SB(sb)->s_journal, -EIO);
 }
@@ -528,6 +528,8 @@ static void destroy_inodecache(void)
 static void ext3_clear_inode(struct inode *inode)
 {
 	struct ext3_block_alloc_info *rsv = EXT3_I(inode)->i_block_alloc_info;
+
+	dquot_drop(inode);
 	ext3_discard_reservation(inode);
 	EXT3_I(inode)->i_block_alloc_info = NULL;
 	if (unlikely(rsv))
@@ -562,10 +564,10 @@ static inline void ext3_show_quota_options(struct seq_file *seq, struct super_bl
 	if (sbi->s_qf_names[GRPQUOTA])
 		seq_printf(seq, ",grpjquota=%s", sbi->s_qf_names[GRPQUOTA]);
 
-	if (sbi->s_mount_opt & EXT3_MOUNT_USRQUOTA)
+	if (test_opt(sb, USRQUOTA))
 		seq_puts(seq, ",usrquota");
 
-	if (sbi->s_mount_opt & EXT3_MOUNT_GRPQUOTA)
+	if (test_opt(sb, GRPQUOTA))
 		seq_puts(seq, ",grpquota");
 #endif
 }
@@ -656,8 +658,7 @@ static int ext3_show_options(struct seq_file *seq, struct vfsmount *vfs)
 	if (test_opt(sb, NOBH))
 		seq_puts(seq, ",nobh");
 
-	seq_printf(seq, ",data=%s", data_mode_string(sbi->s_mount_opt &
-						     EXT3_MOUNT_DATA_FLAGS));
+	seq_printf(seq, ",data=%s", data_mode_string(test_opt(sb, DATA_FLAGS)));
 	if (test_opt(sb, DATA_ERR_ABORT))
 		seq_puts(seq, ",data_err=abort");
 
@@ -751,13 +752,6 @@ static ssize_t ext3_quota_write(struct super_block *sb, int type,
 				const char *data, size_t len, loff_t off);
 
 static const struct dquot_operations ext3_quota_operations = {
-	.initialize	= dquot_initialize,
-	.drop		= dquot_drop,
-	.alloc_space	= dquot_alloc_space,
-	.alloc_inode	= dquot_alloc_inode,
-	.free_space	= dquot_free_space,
-	.free_inode	= dquot_free_inode,
-	.transfer	= dquot_transfer,
 	.write_dquot	= ext3_write_dquot,
 	.acquire_dquot	= ext3_acquire_dquot,
 	.release_dquot	= ext3_release_dquot,
@@ -896,6 +890,63 @@ static ext3_fsblk_t get_sb_block(void **data, struct super_block *sb)
 	return sb_block;
 }
 
+#ifdef CONFIG_QUOTA
+static int set_qf_name(struct super_block *sb, int qtype, substring_t *args)
+{
+	struct ext3_sb_info *sbi = EXT3_SB(sb);
+	char *qname;
+
+	if (sb_any_quota_loaded(sb) &&
+		!sbi->s_qf_names[qtype]) {
+		ext3_msg(sb, KERN_ERR,
+			"Cannot change journaled "
+			"quota options when quota turned on");
+		return 0;
+	}
+	qname = match_strdup(args);
+	if (!qname) {
+		ext3_msg(sb, KERN_ERR,
+			"Not enough memory for storing quotafile name");
+		return 0;
+	}
+	if (sbi->s_qf_names[qtype] &&
+		strcmp(sbi->s_qf_names[qtype], qname)) {
+		ext3_msg(sb, KERN_ERR,
+			"%s quota file already specified", QTYPE2NAME(qtype));
+		kfree(qname);
+		return 0;
+	}
+	sbi->s_qf_names[qtype] = qname;
+	if (strchr(sbi->s_qf_names[qtype], '/')) {
+		ext3_msg(sb, KERN_ERR,
+			"quotafile must be on filesystem root");
+		kfree(sbi->s_qf_names[qtype]);
+		sbi->s_qf_names[qtype] = NULL;
+		return 0;
+	}
+	set_opt(sbi->s_mount_opt, QUOTA);
+	return 1;
+}
+
+static int clear_qf_name(struct super_block *sb, int qtype) {
+
+	struct ext3_sb_info *sbi = EXT3_SB(sb);
+
+	if (sb_any_quota_loaded(sb) &&
+		sbi->s_qf_names[qtype]) {
+		ext3_msg(sb, KERN_ERR, "Cannot change journaled quota options"
+			" when quota turned on");
+		return 0;
+	}
+	/*
+	 * The space will be released later when all options are confirmed
+	 * to be correct
+	 */
+	sbi->s_qf_names[qtype] = NULL;
+	return 1;
+}
+#endif
+
 static int parse_options (char *options, struct super_block *sb,
 			  unsigned int *inum, unsigned long *journal_devnum,
 			  ext3_fsblk_t *n_blocks_count, int is_remount)
@@ -906,8 +957,7 @@ static int parse_options (char *options, struct super_block *sb,
 	int data_opt = 0;
 	int option;
 #ifdef CONFIG_QUOTA
-	int qtype, qfmt;
-	char *qname;
+	int qfmt;
 #endif
 
 	if (!options)
@@ -1065,20 +1115,19 @@ static int parse_options (char *options, struct super_block *sb,
 			data_opt = EXT3_MOUNT_WRITEBACK_DATA;
 		datacheck:
 			if (is_remount) {
-				if ((sbi->s_mount_opt & EXT3_MOUNT_DATA_FLAGS)
-						== data_opt)
+				if (test_opt(sb, DATA_FLAGS) == data_opt)
 					break;
 				ext3_msg(sb, KERN_ERR,
 					"error: cannot change "
 					"data mode on remount. The filesystem "
 					"is mounted in data=%s mode and you "
 					"try to remount it in data=%s mode.",
-					data_mode_string(sbi->s_mount_opt &
-							EXT3_MOUNT_DATA_FLAGS),
+					data_mode_string(test_opt(sb,
+							DATA_FLAGS)),
 					data_mode_string(data_opt));
 				return 0;
 			} else {
-				sbi->s_mount_opt &= ~EXT3_MOUNT_DATA_FLAGS;
+				clear_opt(sbi->s_mount_opt, DATA_FLAGS);
 				sbi->s_mount_opt |= data_opt;
 			}
 			break;
@@ -1090,62 +1139,20 @@ static int parse_options (char *options, struct super_block *sb,
 			break;
 #ifdef CONFIG_QUOTA
 		case Opt_usrjquota:
-			qtype = USRQUOTA;
-			goto set_qf_name;
-		case Opt_grpjquota:
-			qtype = GRPQUOTA;
-set_qf_name:
-			if (sb_any_quota_loaded(sb) &&
-			    !sbi->s_qf_names[qtype]) {
-				ext3_msg(sb, KERN_ERR,
-					"error: cannot change journaled "
-					"quota options when quota turned on.");
-				return 0;
-			}
-			qname = match_strdup(&args[0]);
-			if (!qname) {
-				ext3_msg(sb, KERN_ERR,
-					"error: not enough memory for "
-					"storing quotafile name.");
+			if (!set_qf_name(sb, USRQUOTA, &args[0]))
 				return 0;
-			}
-			if (sbi->s_qf_names[qtype] &&
-			    strcmp(sbi->s_qf_names[qtype], qname)) {
-				ext3_msg(sb, KERN_ERR,
-					"error: %s quota file already "
-					"specified.", QTYPE2NAME(qtype));
-				kfree(qname);
-				return 0;
-			}
-			sbi->s_qf_names[qtype] = qname;
-			if (strchr(sbi->s_qf_names[qtype], '/')) {
-				ext3_msg(sb, KERN_ERR,
-					"error: quotafile must be on "
-					"filesystem root.");
-				kfree(sbi->s_qf_names[qtype]);
-				sbi->s_qf_names[qtype] = NULL;
+			break;
+		case Opt_grpjquota:
+			if (!set_qf_name(sb, GRPQUOTA, &args[0]))
 				return 0;
-			}
-			set_opt(sbi->s_mount_opt, QUOTA);
 			break;
 		case Opt_offusrjquota:
-			qtype = USRQUOTA;
-			goto clear_qf_name;
+			if (!clear_qf_name(sb, USRQUOTA))
+				return 0;
+			break;
 		case Opt_offgrpjquota:
-			qtype = GRPQUOTA;
-clear_qf_name:
-			if (sb_any_quota_loaded(sb) &&
-			    sbi->s_qf_names[qtype]) {
-				ext3_msg(sb, KERN_ERR, "error: cannot change "
-					"journaled quota options when "
-					"quota turned on.");
+			if (!clear_qf_name(sb, GRPQUOTA))
 				return 0;
-			}
-			/*
-			 * The space will be released later when all options
-			 * are confirmed to be correct
-			 */
-			sbi->s_qf_names[qtype] = NULL;
 			break;
 		case Opt_jqfmt_vfsold:
 			qfmt = QFMT_VFS_OLD;
@@ -1244,18 +1251,12 @@ set_qf_format:
 	}
 #ifdef CONFIG_QUOTA
 	if (sbi->s_qf_names[USRQUOTA] || sbi->s_qf_names[GRPQUOTA]) {
-		if ((sbi->s_mount_opt & EXT3_MOUNT_USRQUOTA) &&
-		     sbi->s_qf_names[USRQUOTA])
+		if (test_opt(sb, USRQUOTA) && sbi->s_qf_names[USRQUOTA])
 			clear_opt(sbi->s_mount_opt, USRQUOTA);
-
-		if ((sbi->s_mount_opt & EXT3_MOUNT_GRPQUOTA) &&
-		     sbi->s_qf_names[GRPQUOTA])
+		if (test_opt(sb, GRPQUOTA) && sbi->s_qf_names[GRPQUOTA])
 			clear_opt(sbi->s_mount_opt, GRPQUOTA);
 
-		if ((sbi->s_qf_names[USRQUOTA] &&
-				(sbi->s_mount_opt & EXT3_MOUNT_GRPQUOTA)) ||
-		    (sbi->s_qf_names[GRPQUOTA] &&
-				(sbi->s_mount_opt & EXT3_MOUNT_USRQUOTA))) {
+		if (test_opt(sb, GRPQUOTA) || test_opt(sb, USRQUOTA)) {
 			ext3_msg(sb, KERN_ERR, "error: old and new quota "
 					"format mixing.");
 			return 0;
@@ -1478,7 +1479,7 @@ static void ext3_orphan_cleanup (struct super_block * sb,
 		}
 
 		list_add(&EXT3_I(inode)->i_orphan, &EXT3_SB(sb)->s_orphan);
-		vfs_dq_init(inode);
+		dquot_initialize(inode);
 		if (inode->i_nlink) {
 			printk(KERN_DEBUG
 				"%s: truncating inode %lu to %Ld bytes\n",
@@ -1671,11 +1672,11 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 		set_opt(sbi->s_mount_opt, POSIX_ACL);
 #endif
 	if ((def_mount_opts & EXT3_DEFM_JMODE) == EXT3_DEFM_JMODE_DATA)
-		sbi->s_mount_opt |= EXT3_MOUNT_JOURNAL_DATA;
+		set_opt(sbi->s_mount_opt, JOURNAL_DATA);
 	else if ((def_mount_opts & EXT3_DEFM_JMODE) == EXT3_DEFM_JMODE_ORDERED)
-		sbi->s_mount_opt |= EXT3_MOUNT_ORDERED_DATA;
+		set_opt(sbi->s_mount_opt, ORDERED_DATA);
 	else if ((def_mount_opts & EXT3_DEFM_JMODE) == EXT3_DEFM_JMODE_WBACK)
-		sbi->s_mount_opt |= EXT3_MOUNT_WRITEBACK_DATA;
+		set_opt(sbi->s_mount_opt, WRITEBACK_DATA);
 
 	if (le16_to_cpu(sbi->s_es->s_errors) == EXT3_ERRORS_PANIC)
 		set_opt(sbi->s_mount_opt, ERRORS_PANIC);
@@ -1694,7 +1695,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 		goto failed_mount;
 
 	sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
-		((sbi->s_mount_opt & EXT3_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
+		(test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
 
 	if (le32_to_cpu(es->s_rev_level) == EXT3_GOOD_OLD_REV &&
 	    (EXT3_HAS_COMPAT_FEATURE(sb, ~0U) ||
@@ -2561,11 +2562,11 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
 		goto restore_opts;
 	}
 
-	if (sbi->s_mount_opt & EXT3_MOUNT_ABORT)
+	if (test_opt(sb, ABORT))
 		ext3_abort(sb, __func__, "Abort forced by user");
 
 	sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
-		((sbi->s_mount_opt & EXT3_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
+		(test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
 
 	es = sbi->s_es;
 
@@ -2573,7 +2574,7 @@ static int ext3_remount (struct super_block * sb, int * flags, char * data)
 
 	if ((*flags & MS_RDONLY) != (sb->s_flags & MS_RDONLY) ||
 		n_blocks_count > le32_to_cpu(es->s_blocks_count)) {
-		if (sbi->s_mount_opt & EXT3_MOUNT_ABORT) {
+		if (test_opt(sb, ABORT)) {
 			err = -EROFS;
 			goto restore_opts;
 		}
@@ -2734,7 +2735,7 @@ static int ext3_statfs (struct dentry * dentry, struct kstatfs * buf)
  * Process 1                         Process 2
  * ext3_create()                     quota_sync()
  *   journal_start()                   write_dquot()
- *   vfs_dq_init()                       down(dqio_mutex)
+ *   dquot_initialize()                       down(dqio_mutex)
  *     down(dqio_mutex)                    journal_start()
  *
  */
@@ -2942,9 +2943,7 @@ static ssize_t ext3_quota_write(struct super_block *sb, int type,
 	sector_t blk = off >> EXT3_BLOCK_SIZE_BITS(sb);
 	int err = 0;
 	int offset = off & (sb->s_blocksize - 1);
-	int tocopy;
 	int journal_quota = EXT3_SB(sb)->s_qf_names[type] != NULL;
-	size_t towrite = len;
 	struct buffer_head *bh;
 	handle_t *handle = journal_current_handle();
 
@@ -2955,53 +2954,54 @@ static ssize_t ext3_quota_write(struct super_block *sb, int type,
 			(unsigned long long)off, (unsigned long long)len);
 		return -EIO;
 	}
+
+	/*
+	 * Since we account only one data block in transaction credits,
+	 * then it is impossible to cross a block boundary.
+	 */
+	if (sb->s_blocksize - offset < len) {
+		ext3_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)"
+			" cancelled because not block aligned",
+			(unsigned long long)off, (unsigned long long)len);
+		return -EIO;
+	}
 	mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA);
-	while (towrite > 0) {
-		tocopy = sb->s_blocksize - offset < towrite ?
-				sb->s_blocksize - offset : towrite;
-		bh = ext3_bread(handle, inode, blk, 1, &err);
-		if (!bh)
+	bh = ext3_bread(handle, inode, blk, 1, &err);
+	if (!bh)
+		goto out;
+	if (journal_quota) {
+		err = ext3_journal_get_write_access(handle, bh);
+		if (err) {
+			brelse(bh);
 			goto out;
-		if (journal_quota) {
-			err = ext3_journal_get_write_access(handle, bh);
-			if (err) {
-				brelse(bh);
-				goto out;
-			}
-		}
-		lock_buffer(bh);
-		memcpy(bh->b_data+offset, data, tocopy);
-		flush_dcache_page(bh->b_page);
-		unlock_buffer(bh);
-		if (journal_quota)
-			err = ext3_journal_dirty_metadata(handle, bh);
-		else {
-			/* Always do at least ordered writes for quotas */
-			err = ext3_journal_dirty_data(handle, bh);
-			mark_buffer_dirty(bh);
 		}
-		brelse(bh);
-		if (err)
-			goto out;
-		offset = 0;
-		towrite -= tocopy;
-		data += tocopy;
-		blk++;
 	}
+	lock_buffer(bh);
+	memcpy(bh->b_data+offset, data, len);
+	flush_dcache_page(bh->b_page);
+	unlock_buffer(bh);
+	if (journal_quota)
+		err = ext3_journal_dirty_metadata(handle, bh);
+	else {
+		/* Always do at least ordered writes for quotas */
+		err = ext3_journal_dirty_data(handle, bh);
+		mark_buffer_dirty(bh);
+	}
+	brelse(bh);
 out:
-	if (len == towrite) {
+	if (err) {
 		mutex_unlock(&inode->i_mutex);
 		return err;
 	}
-	if (inode->i_size < off+len-towrite) {
-		i_size_write(inode, off+len-towrite);
+	if (inode->i_size < off + len) {
+		i_size_write(inode, off + len);
 		EXT3_I(inode)->i_disksize = inode->i_size;
 	}
 	inode->i_version++;
 	inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 	ext3_mark_inode_dirty(handle, inode);
 	mutex_unlock(&inode->i_mutex);
-	return len - towrite;
+	return len;
 }
 
 #endif
diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c
index 66895ccf76c7..534a94c3a933 100644
--- a/fs/ext3/xattr.c
+++ b/fs/ext3/xattr.c
@@ -274,7 +274,7 @@ ext3_xattr_ibody_get(struct inode *inode, int name_index, const char *name,
 	void *end;
 	int error;
 
-	if (!(EXT3_I(inode)->i_state & EXT3_STATE_XATTR))
+	if (!ext3_test_inode_state(inode, EXT3_STATE_XATTR))
 		return -ENODATA;
 	error = ext3_get_inode_loc(inode, &iloc);
 	if (error)
@@ -403,7 +403,7 @@ ext3_xattr_ibody_list(struct dentry *dentry, char *buffer, size_t buffer_size)
 	void *end;
 	int error;
 
-	if (!(EXT3_I(inode)->i_state & EXT3_STATE_XATTR))
+	if (!ext3_test_inode_state(inode, EXT3_STATE_XATTR))
 		return 0;
 	error = ext3_get_inode_loc(inode, &iloc);
 	if (error)
@@ -500,7 +500,7 @@ ext3_xattr_release_block(handle_t *handle, struct inode *inode,
 		error = ext3_journal_dirty_metadata(handle, bh);
 		if (IS_SYNC(inode))
 			handle->h_sync = 1;
-		vfs_dq_free_block(inode, 1);
+		dquot_free_block(inode, 1);
 		ea_bdebug(bh, "refcount now=%d; releasing",
 			  le32_to_cpu(BHDR(bh)->h_refcount));
 		if (ce)
@@ -775,8 +775,8 @@ inserted:
 			else {
 				/* The old block is released after updating
 				   the inode. */
-				error = -EDQUOT;
-				if (vfs_dq_alloc_block(inode, 1))
+				error = dquot_alloc_block(inode, 1);
+				if (error)
 					goto cleanup;
 				error = ext3_journal_get_write_access(handle,
 								      new_bh);
@@ -850,7 +850,7 @@ cleanup:
 	return error;
 
 cleanup_dquot:
-	vfs_dq_free_block(inode, 1);
+	dquot_free_block(inode, 1);
 	goto cleanup;
 
 bad_block:
@@ -882,7 +882,7 @@ ext3_xattr_ibody_find(struct inode *inode, struct ext3_xattr_info *i,
 	is->s.base = is->s.first = IFIRST(header);
 	is->s.here = is->s.first;
 	is->s.end = (void *)raw_inode + EXT3_SB(inode->i_sb)->s_inode_size;
-	if (EXT3_I(inode)->i_state & EXT3_STATE_XATTR) {
+	if (ext3_test_inode_state(inode, EXT3_STATE_XATTR)) {
 		error = ext3_xattr_check_names(IFIRST(header), is->s.end);
 		if (error)
 			return error;
@@ -914,10 +914,10 @@ ext3_xattr_ibody_set(handle_t *handle, struct inode *inode,
 	header = IHDR(inode, ext3_raw_inode(&is->iloc));
 	if (!IS_LAST_ENTRY(s->first)) {
 		header->h_magic = cpu_to_le32(EXT3_XATTR_MAGIC);
-		EXT3_I(inode)->i_state |= EXT3_STATE_XATTR;
+		ext3_set_inode_state(inode, EXT3_STATE_XATTR);
 	} else {
 		header->h_magic = cpu_to_le32(0);
-		EXT3_I(inode)->i_state &= ~EXT3_STATE_XATTR;
+		ext3_clear_inode_state(inode, EXT3_STATE_XATTR);
 	}
 	return 0;
 }
@@ -967,10 +967,10 @@ ext3_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
 	if (error)
 		goto cleanup;
 
-	if (EXT3_I(inode)->i_state & EXT3_STATE_NEW) {
+	if (ext3_test_inode_state(inode, EXT3_STATE_NEW)) {
 		struct ext3_inode *raw_inode = ext3_raw_inode(&is.iloc);
 		memset(raw_inode, 0, EXT3_SB(inode->i_sb)->s_inode_size);
-		EXT3_I(inode)->i_state &= ~EXT3_STATE_NEW;
+		ext3_clear_inode_state(inode, EXT3_STATE_NEW);
 	}
 
 	error = ext3_xattr_ibody_find(inode, &i, &is);
diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c
index 22bc7435d913..d2f37a5516c7 100644
--- a/fs/ext4/balloc.c
+++ b/fs/ext4/balloc.c
@@ -97,8 +97,8 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
 		/* If checksum is bad mark all blocks used to prevent allocation
 		 * essentially implementing a per-group read-only flag. */
 		if (!ext4_group_desc_csum_verify(sbi, block_group, gdp)) {
-			ext4_error(sb, __func__,
-				  "Checksum bad for group %u", block_group);
+			ext4_error(sb, "Checksum bad for group %u",
+					block_group);
 			ext4_free_blks_set(sb, gdp, 0);
 			ext4_free_inodes_set(sb, gdp, 0);
 			ext4_itable_unused_set(sb, gdp, 0);
@@ -130,8 +130,7 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
 		 * to make sure we calculate the right free blocks
 		 */
 		group_blocks = ext4_blocks_count(sbi->s_es) -
-			le32_to_cpu(sbi->s_es->s_first_data_block) -
-			(EXT4_BLOCKS_PER_GROUP(sb) * (ngroups - 1));
+			ext4_group_first_block_no(sb, ngroups - 1);
 	} else {
 		group_blocks = EXT4_BLOCKS_PER_GROUP(sb);
 	}
@@ -189,9 +188,6 @@ unsigned ext4_init_block_bitmap(struct super_block *sb, struct buffer_head *bh,
  * when a file system is mounted (see ext4_fill_super).
  */
 
-
-#define in_range(b, first, len)	((b) >= (first) && (b) <= (first) + (len) - 1)
-
 /**
  * ext4_get_group_desc() -- load group descriptor from disk
  * @sb:			super block
@@ -210,10 +206,8 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb,
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
 
 	if (block_group >= ngroups) {
-		ext4_error(sb, "ext4_get_group_desc",
-			   "block_group >= groups_count - "
-			   "block_group = %u, groups_count = %u",
-			   block_group, ngroups);
+		ext4_error(sb, "block_group >= groups_count - block_group = %u,"
+			   " groups_count = %u", block_group, ngroups);
 
 		return NULL;
 	}
@@ -221,8 +215,7 @@ struct ext4_group_desc * ext4_get_group_desc(struct super_block *sb,
 	group_desc = block_group >> EXT4_DESC_PER_BLOCK_BITS(sb);
 	offset = block_group & (EXT4_DESC_PER_BLOCK(sb) - 1);
 	if (!sbi->s_group_desc[group_desc]) {
-		ext4_error(sb, "ext4_get_group_desc",
-			   "Group descriptor not loaded - "
+		ext4_error(sb, "Group descriptor not loaded - "
 			   "block_group = %u, group_desc = %u, desc = %u",
 			   block_group, group_desc, offset);
 		return NULL;
@@ -282,9 +275,7 @@ static int ext4_valid_block_bitmap(struct super_block *sb,
 		return 1;
 
 err_out:
-	ext4_error(sb, __func__,
-			"Invalid block bitmap - "
-			"block_group = %d, block = %llu",
+	ext4_error(sb, "Invalid block bitmap - block_group = %d, block = %llu",
 			block_group, bitmap_blk);
 	return 0;
 }
@@ -311,8 +302,7 @@ ext4_read_block_bitmap(struct super_block *sb, ext4_group_t block_group)
 	bitmap_blk = ext4_block_bitmap(sb, desc);
 	bh = sb_getblk(sb, bitmap_blk);
 	if (unlikely(!bh)) {
-		ext4_error(sb, __func__,
-			    "Cannot read block bitmap - "
+		ext4_error(sb, "Cannot read block bitmap - "
 			    "block_group = %u, block_bitmap = %llu",
 			    block_group, bitmap_blk);
 		return NULL;
@@ -354,8 +344,7 @@ ext4_read_block_bitmap(struct super_block *sb, ext4_group_t block_group)
 	set_bitmap_uptodate(bh);
 	if (bh_submit_read(bh) < 0) {
 		put_bh(bh);
-		ext4_error(sb, __func__,
-			    "Cannot read block bitmap - "
+		ext4_error(sb, "Cannot read block bitmap - "
 			    "block_group = %u, block_bitmap = %llu",
 			    block_group, bitmap_blk);
 		return NULL;
@@ -419,8 +408,7 @@ void ext4_add_groupblocks(handle_t *handle, struct super_block *sb,
 	    in_range(block, ext4_inode_table(sb, desc), sbi->s_itb_per_group) ||
 	    in_range(block + count - 1, ext4_inode_table(sb, desc),
 		     sbi->s_itb_per_group)) {
-		ext4_error(sb, __func__,
-			   "Adding blocks in system zones - "
+		ext4_error(sb, "Adding blocks in system zones - "
 			   "Block = %llu, count = %lu",
 			   block, count);
 		goto error_return;
@@ -453,8 +441,7 @@ void ext4_add_groupblocks(handle_t *handle, struct super_block *sb,
 		BUFFER_TRACE(bitmap_bh, "clear bit");
 		if (!ext4_clear_bit_atomic(ext4_group_lock_ptr(sb, block_group),
 						bit + i, bitmap_bh->b_data)) {
-			ext4_error(sb, __func__,
-				   "bit already cleared for block %llu",
+			ext4_error(sb, "bit already cleared for block %llu",
 				   (ext4_fsblk_t)(block + i));
 			BUFFER_TRACE(bitmap_bh, "bit already cleared");
 		} else {
diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c
index a60ab9aad57d..983f0e127493 100644
--- a/fs/ext4/block_validity.c
+++ b/fs/ext4/block_validity.c
@@ -205,14 +205,14 @@ void ext4_release_system_zone(struct super_block *sb)
 		entry = rb_entry(n, struct ext4_system_zone, node);
 		kmem_cache_free(ext4_system_zone_cachep, entry);
 		if (!parent)
-			EXT4_SB(sb)->system_blks.rb_node = NULL;
+			EXT4_SB(sb)->system_blks = RB_ROOT;
 		else if (parent->rb_left == n)
 			parent->rb_left = NULL;
 		else if (parent->rb_right == n)
 			parent->rb_right = NULL;
 		n = parent;
 	}
-	EXT4_SB(sb)->system_blks.rb_node = NULL;
+	EXT4_SB(sb)->system_blks = RB_ROOT;
 }
 
 /*
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index 9dc93168e262..86cb6d86a048 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -83,10 +83,12 @@ int ext4_check_dir_entry(const char *function, struct inode *dir,
 		error_msg = "inode out of bounds";
 
 	if (error_msg != NULL)
-		ext4_error(dir->i_sb, function,
-			"bad entry in directory #%lu: %s - "
-			"offset=%u, inode=%u, rec_len=%d, name_len=%d",
-			dir->i_ino, error_msg, offset,
+		__ext4_error(dir->i_sb, function,
+			"bad entry in directory #%lu: %s - block=%llu"
+			"offset=%u(%u), inode=%u, rec_len=%d, name_len=%d",
+			dir->i_ino, error_msg, 
+			(unsigned long long) bh->b_blocknr,     
+			(unsigned) (offset%bh->b_size), offset,
 			le32_to_cpu(de->inode),
 			rlen, de->name_len);
 	return error_msg == NULL ? 1 : 0;
@@ -150,7 +152,7 @@ static int ext4_readdir(struct file *filp,
 		 */
 		if (!bh) {
 			if (!dir_has_error) {
-				ext4_error(sb, __func__, "directory #%lu "
+				ext4_error(sb, "directory #%lu "
 					   "contains a hole at offset %Lu",
 					   inode->i_ino,
 					   (unsigned long long) filp->f_pos);
@@ -303,7 +305,7 @@ static void free_rb_tree_fname(struct rb_root *root)
 			kfree(old);
 		}
 		if (!parent)
-			root->rb_node = NULL;
+			*root = RB_ROOT;
 		else if (parent->rb_left == n)
 			parent->rb_left = NULL;
 		else if (parent->rb_right == n)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 874d169a193e..bf938cf7c5f0 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -53,6 +53,12 @@
 #define ext4_debug(f, a...)	do {} while (0)
 #endif
 
+#define EXT4_ERROR_INODE(inode, fmt, a...) \
+	ext4_error_inode(__func__, (inode), (fmt), ## a);
+
+#define EXT4_ERROR_FILE(file, fmt, a...)	\
+	ext4_error_file(__func__, (file), (fmt), ## a);
+
 /* data type for block offset of block group */
 typedef int ext4_grpblk_t;
 
@@ -133,14 +139,14 @@ struct mpage_da_data {
 	int pages_written;
 	int retval;
 };
-#define	DIO_AIO_UNWRITTEN	0x1
+#define	EXT4_IO_UNWRITTEN	0x1
 typedef struct ext4_io_end {
 	struct list_head	list;		/* per-file finished AIO list */
 	struct inode		*inode;		/* file being written to */
 	unsigned int		flag;		/* unwritten or not */
-	int			error;		/* I/O error code */
-	ext4_lblk_t		offset;		/* offset in the file */
-	size_t			size;		/* size of the extent */
+	struct page		*page;		/* page struct for buffer write */
+	loff_t			offset;		/* offset in the file */
+	ssize_t			size;		/* size of the extent */
 	struct work_struct	work;		/* data work queue */
 } ext4_io_end_t;
 
@@ -284,10 +290,12 @@ struct flex_groups {
 #define EXT4_TOPDIR_FL			0x00020000 /* Top of directory hierarchies*/
 #define EXT4_HUGE_FILE_FL               0x00040000 /* Set to each huge file */
 #define EXT4_EXTENTS_FL			0x00080000 /* Inode uses extents */
+#define EXT4_EA_INODE_FL	        0x00200000 /* Inode used for large EA */
+#define EXT4_EOFBLOCKS_FL		0x00400000 /* Blocks allocated beyond EOF */
 #define EXT4_RESERVED_FL		0x80000000 /* reserved for ext4 lib */
 
-#define EXT4_FL_USER_VISIBLE		0x000BDFFF /* User visible flags */
-#define EXT4_FL_USER_MODIFIABLE		0x000B80FF /* User modifiable flags */
+#define EXT4_FL_USER_VISIBLE		0x004BDFFF /* User visible flags */
+#define EXT4_FL_USER_MODIFIABLE		0x004B80FF /* User modifiable flags */
 
 /* Flags that should be inherited by new inodes from their parent. */
 #define EXT4_FL_INHERITED (EXT4_SECRM_FL | EXT4_UNRM_FL | EXT4_COMPR_FL |\
@@ -313,17 +321,6 @@ static inline __u32 ext4_mask_flags(umode_t mode, __u32 flags)
 		return flags & EXT4_OTHER_FLMASK;
 }
 
-/*
- * Inode dynamic state flags
- */
-#define EXT4_STATE_JDATA		0x00000001 /* journaled data exists */
-#define EXT4_STATE_NEW			0x00000002 /* inode is newly created */
-#define EXT4_STATE_XATTR		0x00000004 /* has in-inode xattrs */
-#define EXT4_STATE_NO_EXPAND		0x00000008 /* No space for expansion */
-#define EXT4_STATE_DA_ALLOC_CLOSE	0x00000010 /* Alloc DA blks on close */
-#define EXT4_STATE_EXT_MIGRATE		0x00000020 /* Inode is migrating */
-#define EXT4_STATE_DIO_UNWRITTEN	0x00000040 /* need convert on dio done*/
-
 /* Used to pass group descriptor data when online resize is done */
 struct ext4_new_group_input {
 	__u32 group;		/* Group number for this data */
@@ -364,19 +361,20 @@ struct ext4_new_group_data {
 	/* caller is from the direct IO path, request to creation of an
 	unitialized extents if not allocated, split the uninitialized
 	extent if blocks has been preallocated already*/
-#define EXT4_GET_BLOCKS_DIO			0x0008
+#define EXT4_GET_BLOCKS_PRE_IO			0x0008
 #define EXT4_GET_BLOCKS_CONVERT			0x0010
-#define EXT4_GET_BLOCKS_DIO_CREATE_EXT		(EXT4_GET_BLOCKS_DIO|\
+#define EXT4_GET_BLOCKS_IO_CREATE_EXT		(EXT4_GET_BLOCKS_PRE_IO|\
+					 EXT4_GET_BLOCKS_CREATE_UNINIT_EXT)
+	/* Convert extent to initialized after IO complete */
+#define EXT4_GET_BLOCKS_IO_CONVERT_EXT		(EXT4_GET_BLOCKS_CONVERT|\
 					 EXT4_GET_BLOCKS_CREATE_UNINIT_EXT)
-	/* Convert extent to initialized after direct IO complete */
-#define EXT4_GET_BLOCKS_DIO_CONVERT_EXT		(EXT4_GET_BLOCKS_CONVERT|\
-					 EXT4_GET_BLOCKS_DIO_CREATE_EXT)
 
 /*
  * Flags used by ext4_free_blocks
  */
 #define EXT4_FREE_BLOCKS_METADATA	0x0001
 #define EXT4_FREE_BLOCKS_FORGET		0x0002
+#define EXT4_FREE_BLOCKS_VALIDATED	0x0004
 
 /*
  * ioctl commands
@@ -630,7 +628,7 @@ struct ext4_inode_info {
 	 * near to their parent directory's inode.
 	 */
 	ext4_group_t	i_block_group;
-	__u32	i_state;		/* Dynamic state flags for ext4 */
+	unsigned long	i_state_flags;		/* Dynamic state flags */
 
 	ext4_lblk_t		i_dir_start_lookup;
 #ifdef CONFIG_EXT4_FS_XATTR
@@ -708,8 +706,9 @@ struct ext4_inode_info {
 	qsize_t i_reserved_quota;
 #endif
 
-	/* completed async DIOs that might need unwritten extents handling */
-	struct list_head i_aio_dio_complete_list;
+	/* completed IOs that might need unwritten extents handling */
+	struct list_head i_completed_io_list;
+	spinlock_t i_completed_io_lock;
 	/* current io_end structure for async DIO write*/
 	ext4_io_end_t *cur_aio_dio;
 
@@ -760,6 +759,7 @@ struct ext4_inode_info {
 #define EXT4_MOUNT_QUOTA		0x80000 /* Some quota option set */
 #define EXT4_MOUNT_USRQUOTA		0x100000 /* "old" user quota */
 #define EXT4_MOUNT_GRPQUOTA		0x200000 /* "old" group quota */
+#define EXT4_MOUNT_DIOREAD_NOLOCK	0x400000 /* Enable support for dio read nolocking */
 #define EXT4_MOUNT_JOURNAL_CHECKSUM	0x800000 /* Journal checksums */
 #define EXT4_MOUNT_JOURNAL_ASYNC_COMMIT	0x1000000 /* Journal Async Commit */
 #define EXT4_MOUNT_I_VERSION            0x2000000 /* i_version support */
@@ -1014,7 +1014,7 @@ struct ext4_sb_info {
 	atomic_t s_lock_busy;
 
 	/* locality groups */
-	struct ext4_locality_group *s_locality_groups;
+	struct ext4_locality_group __percpu *s_locality_groups;
 
 	/* for write statistics */
 	unsigned long s_sectors_written_start;
@@ -1050,6 +1050,34 @@ static inline int ext4_valid_inum(struct super_block *sb, unsigned long ino)
 		(ino >= EXT4_FIRST_INO(sb) &&
 		 ino <= le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count));
 }
+
+/*
+ * Inode dynamic state flags
+ */
+enum {
+	EXT4_STATE_JDATA,		/* journaled data exists */
+	EXT4_STATE_NEW,			/* inode is newly created */
+	EXT4_STATE_XATTR,		/* has in-inode xattrs */
+	EXT4_STATE_NO_EXPAND,		/* No space for expansion */
+	EXT4_STATE_DA_ALLOC_CLOSE,	/* Alloc DA blks on close */
+	EXT4_STATE_EXT_MIGRATE,		/* Inode is migrating */
+	EXT4_STATE_DIO_UNWRITTEN,	/* need convert on dio done*/
+};
+
+static inline int ext4_test_inode_state(struct inode *inode, int bit)
+{
+	return test_bit(bit, &EXT4_I(inode)->i_state_flags);
+}
+
+static inline void ext4_set_inode_state(struct inode *inode, int bit)
+{
+	set_bit(bit, &EXT4_I(inode)->i_state_flags);
+}
+
+static inline void ext4_clear_inode_state(struct inode *inode, int bit)
+{
+	clear_bit(bit, &EXT4_I(inode)->i_state_flags);
+}
 #else
 /* Assume that user mode programs are passing in an ext4fs superblock, not
  * a kernel struct super_block.  This will allow us to call the feature-test
@@ -1126,6 +1154,8 @@ static inline int ext4_valid_inum(struct super_block *sb, unsigned long ino)
 #define EXT4_FEATURE_INCOMPAT_64BIT		0x0080
 #define EXT4_FEATURE_INCOMPAT_MMP               0x0100
 #define EXT4_FEATURE_INCOMPAT_FLEX_BG		0x0200
+#define EXT4_FEATURE_INCOMPAT_EA_INODE		0x0400 /* EA in inode */
+#define EXT4_FEATURE_INCOMPAT_DIRDATA		0x1000 /* data in dirent */
 
 #define EXT4_FEATURE_COMPAT_SUPP	EXT2_FEATURE_COMPAT_EXT_ATTR
 #define EXT4_FEATURE_INCOMPAT_SUPP	(EXT4_FEATURE_INCOMPAT_FILETYPE| \
@@ -1416,7 +1446,7 @@ int ext4_get_block(struct inode *inode, sector_t iblock,
 				struct buffer_head *bh_result, int create);
 
 extern struct inode *ext4_iget(struct super_block *, unsigned long);
-extern int  ext4_write_inode(struct inode *, int);
+extern int  ext4_write_inode(struct inode *, struct writeback_control *);
 extern int  ext4_setattr(struct dentry *, struct iattr *);
 extern int  ext4_getattr(struct vfsmount *mnt, struct dentry *dentry,
 				struct kstat *stat);
@@ -1439,7 +1469,7 @@ extern int ext4_block_truncate_page(handle_t *handle,
 		struct address_space *mapping, loff_t from);
 extern int ext4_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);
 extern qsize_t *ext4_get_reserved_space(struct inode *inode);
-extern int flush_aio_dio_completed_IO(struct inode *inode);
+extern int flush_completed_IO(struct inode *inode);
 extern void ext4_da_update_reserve_space(struct inode *inode,
 					int used, int quota_claim);
 /* ioctl.c */
@@ -1465,13 +1495,20 @@ extern int ext4_group_extend(struct super_block *sb,
 				ext4_fsblk_t n_blocks_count);
 
 /* super.c */
-extern void ext4_error(struct super_block *, const char *, const char *, ...)
+extern void __ext4_error(struct super_block *, const char *, const char *, ...)
+	__attribute__ ((format (printf, 3, 4)));
+#define ext4_error(sb, message...)	__ext4_error(sb, __func__, ## message)
+extern void ext4_error_inode(const char *, struct inode *, const char *, ...)
+	__attribute__ ((format (printf, 3, 4)));
+extern void ext4_error_file(const char *, struct file *, const char *, ...)
 	__attribute__ ((format (printf, 3, 4)));
 extern void __ext4_std_error(struct super_block *, const char *, int);
 extern void ext4_abort(struct super_block *, const char *, const char *, ...)
 	__attribute__ ((format (printf, 3, 4)));
-extern void ext4_warning(struct super_block *, const char *, const char *, ...)
+extern void __ext4_warning(struct super_block *, const char *,
+			  const char *, ...)
 	__attribute__ ((format (printf, 3, 4)));
+#define ext4_warning(sb, message...)	__ext4_warning(sb, __func__, ## message)
 extern void ext4_msg(struct super_block *, const char *, const char *, ...)
 	__attribute__ ((format (printf, 3, 4)));
 extern void ext4_grp_locked_error(struct super_block *, ext4_group_t,
@@ -1744,7 +1781,7 @@ extern void ext4_ext_release(struct super_block *);
 extern long ext4_fallocate(struct inode *inode, int mode, loff_t offset,
 			  loff_t len);
 extern int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset,
-			  loff_t len);
+			  ssize_t len);
 extern int ext4_get_blocks(handle_t *handle, struct inode *inode,
 			   sector_t block, unsigned int max_blocks,
 			   struct buffer_head *bh, int flags);
@@ -1756,6 +1793,15 @@ extern int ext4_move_extents(struct file *o_filp, struct file *d_filp,
 			     __u64 len, __u64 *moved_len);
 
 
+/* BH_Uninit flag: blocks are allocated but uninitialized on disk */
+enum ext4_state_bits {
+	BH_Uninit	/* blocks are allocated but uninitialized on disk */
+	  = BH_JBDPrivateStart,
+};
+
+BUFFER_FNS(Uninit, uninit)
+TAS_BUFFER_FNS(Uninit, uninit)
+
 /*
  * Add new method to test wether block and inode bitmaps are properly
  * initialized. With uninit_bg reading the block from disk is not enough
@@ -1773,6 +1819,8 @@ static inline void set_bitmap_uptodate(struct buffer_head *bh)
 	set_bit(BH_BITMAP_UPTODATE, &(bh)->b_state);
 }
 
+#define in_range(b, first, len)	((b) >= (first) && (b) <= (first) + (len) - 1)
+
 #endif	/* __KERNEL__ */
 
 #endif	/* _EXT4_H */
diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c
index b57e5c711b6d..53d2764d71ca 100644
--- a/fs/ext4/ext4_jbd2.c
+++ b/fs/ext4/ext4_jbd2.c
@@ -125,14 +125,14 @@ int __ext4_handle_dirty_metadata(const char *where, handle_t *handle,
 			ext4_journal_abort_handle(where, __func__, bh,
 						  handle, err);
 	} else {
-		if (inode && bh)
+		if (inode)
 			mark_buffer_dirty_inode(bh, inode);
 		else
 			mark_buffer_dirty(bh);
 		if (inode && inode_needs_sync(inode)) {
 			sync_dirty_buffer(bh);
 			if (buffer_req(bh) && !buffer_uptodate(bh)) {
-				ext4_error(inode->i_sb, __func__,
+				ext4_error(inode->i_sb,
 					   "IO error syncing inode, "
 					   "inode=%lu, block=%llu",
 					   inode->i_ino,
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index 05eca817d704..b79ad5126468 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -304,4 +304,28 @@ static inline int ext4_should_writeback_data(struct inode *inode)
 	return 0;
 }
 
+/*
+ * This function controls whether or not we should try to go down the
+ * dioread_nolock code paths, which makes it safe to avoid taking
+ * i_mutex for direct I/O reads.  This only works for extent-based
+ * files, and it doesn't work for nobh or if data journaling is
+ * enabled, since the dioread_nolock code uses b_private to pass
+ * information back to the I/O completion handler, and this conflicts
+ * with the jbd's use of b_private.
+ */
+static inline int ext4_should_dioread_nolock(struct inode *inode)
+{
+	if (!test_opt(inode->i_sb, DIOREAD_NOLOCK))
+		return 0;
+	if (test_opt(inode->i_sb, NOBH))
+		return 0;
+	if (!S_ISREG(inode->i_mode))
+		return 0;
+	if (!(EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL))
+		return 0;
+	if (ext4_should_journal_data(inode))
+		return 0;
+	return 1;
+}
+
 #endif	/* _EXT4_JBD2_H */
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 765a4826b118..94c8ee81f5e1 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -195,8 +195,7 @@ static ext4_fsblk_t ext4_ext_find_goal(struct inode *inode,
 		if (S_ISREG(inode->i_mode))
 			block_group++;
 	}
-	bg_start = (block_group * EXT4_BLOCKS_PER_GROUP(inode->i_sb)) +
-		le32_to_cpu(EXT4_SB(inode->i_sb)->s_es->s_first_data_block);
+	bg_start = ext4_group_first_block_no(inode->i_sb, block_group);
 	last_block = ext4_blocks_count(EXT4_SB(inode->i_sb)->s_es) - 1;
 
 	/*
@@ -440,7 +439,7 @@ static int __ext4_ext_check(const char *function, struct inode *inode,
 	return 0;
 
 corrupted:
-	ext4_error(inode->i_sb, function,
+	__ext4_error(inode->i_sb, function,
 			"bad header/extent in inode #%lu: %s - magic %x, "
 			"entries %u, max %u(%u), depth %u(%u)",
 			inode->i_ino, error_msg, le16_to_cpu(eh->eh_magic),
@@ -703,7 +702,12 @@ ext4_ext_find_extent(struct inode *inode, ext4_lblk_t block,
 		}
 		eh = ext_block_hdr(bh);
 		ppos++;
-		BUG_ON(ppos > depth);
+		if (unlikely(ppos > depth)) {
+			put_bh(bh);
+			EXT4_ERROR_INODE(inode,
+					 "ppos %d > depth %d", ppos, depth);
+			goto err;
+		}
 		path[ppos].p_bh = bh;
 		path[ppos].p_hdr = eh;
 		i--;
@@ -749,7 +753,12 @@ int ext4_ext_insert_index(handle_t *handle, struct inode *inode,
 	if (err)
 		return err;
 
-	BUG_ON(logical == le32_to_cpu(curp->p_idx->ei_block));
+	if (unlikely(logical == le32_to_cpu(curp->p_idx->ei_block))) {
+		EXT4_ERROR_INODE(inode,
+				 "logical %d == ei_block %d!",
+				 logical, le32_to_cpu(curp->p_idx->ei_block));
+		return -EIO;
+	}
 	len = EXT_MAX_INDEX(curp->p_hdr) - curp->p_idx;
 	if (logical > le32_to_cpu(curp->p_idx->ei_block)) {
 		/* insert after */
@@ -779,9 +788,17 @@ int ext4_ext_insert_index(handle_t *handle, struct inode *inode,
 	ext4_idx_store_pblock(ix, ptr);
 	le16_add_cpu(&curp->p_hdr->eh_entries, 1);
 
-	BUG_ON(le16_to_cpu(curp->p_hdr->eh_entries)
-			     > le16_to_cpu(curp->p_hdr->eh_max));
-	BUG_ON(ix > EXT_LAST_INDEX(curp->p_hdr));
+	if (unlikely(le16_to_cpu(curp->p_hdr->eh_entries)
+			     > le16_to_cpu(curp->p_hdr->eh_max))) {
+		EXT4_ERROR_INODE(inode,
+				 "logical %d == ei_block %d!",
+				 logical, le32_to_cpu(curp->p_idx->ei_block));
+		return -EIO;
+	}
+	if (unlikely(ix > EXT_LAST_INDEX(curp->p_hdr))) {
+		EXT4_ERROR_INODE(inode, "ix > EXT_LAST_INDEX!");
+		return -EIO;
+	}
 
 	err = ext4_ext_dirty(handle, inode, curp);
 	ext4_std_error(inode->i_sb, err);
@@ -819,7 +836,10 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
 
 	/* if current leaf will be split, then we should use
 	 * border from split point */
-	BUG_ON(path[depth].p_ext > EXT_MAX_EXTENT(path[depth].p_hdr));
+	if (unlikely(path[depth].p_ext > EXT_MAX_EXTENT(path[depth].p_hdr))) {
+		EXT4_ERROR_INODE(inode, "p_ext > EXT_MAX_EXTENT!");
+		return -EIO;
+	}
 	if (path[depth].p_ext != EXT_MAX_EXTENT(path[depth].p_hdr)) {
 		border = path[depth].p_ext[1].ee_block;
 		ext_debug("leaf will be split."
@@ -860,7 +880,11 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
 
 	/* initialize new leaf */
 	newblock = ablocks[--a];
-	BUG_ON(newblock == 0);
+	if (unlikely(newblock == 0)) {
+		EXT4_ERROR_INODE(inode, "newblock == 0!");
+		err = -EIO;
+		goto cleanup;
+	}
 	bh = sb_getblk(inode->i_sb, newblock);
 	if (!bh) {
 		err = -EIO;
@@ -880,7 +904,14 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
 	ex = EXT_FIRST_EXTENT(neh);
 
 	/* move remainder of path[depth] to the new leaf */
-	BUG_ON(path[depth].p_hdr->eh_entries != path[depth].p_hdr->eh_max);
+	if (unlikely(path[depth].p_hdr->eh_entries !=
+		     path[depth].p_hdr->eh_max)) {
+		EXT4_ERROR_INODE(inode, "eh_entries %d != eh_max %d!",
+				 path[depth].p_hdr->eh_entries,
+				 path[depth].p_hdr->eh_max);
+		err = -EIO;
+		goto cleanup;
+	}
 	/* start copy from next extent */
 	/* TODO: we could do it by single memmove */
 	m = 0;
@@ -927,7 +958,11 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
 
 	/* create intermediate indexes */
 	k = depth - at - 1;
-	BUG_ON(k < 0);
+	if (unlikely(k < 0)) {
+		EXT4_ERROR_INODE(inode, "k %d < 0!", k);
+		err = -EIO;
+		goto cleanup;
+	}
 	if (k)
 		ext_debug("create %d intermediate indices\n", k);
 	/* insert new index into current index block */
@@ -964,8 +999,14 @@ static int ext4_ext_split(handle_t *handle, struct inode *inode,
 
 		ext_debug("cur 0x%p, last 0x%p\n", path[i].p_idx,
 				EXT_MAX_INDEX(path[i].p_hdr));
-		BUG_ON(EXT_MAX_INDEX(path[i].p_hdr) !=
-				EXT_LAST_INDEX(path[i].p_hdr));
+		if (unlikely(EXT_MAX_INDEX(path[i].p_hdr) !=
+					EXT_LAST_INDEX(path[i].p_hdr))) {
+			EXT4_ERROR_INODE(inode,
+					 "EXT_MAX_INDEX != EXT_LAST_INDEX ee_block %d!",
+					 le32_to_cpu(path[i].p_ext->ee_block));
+			err = -EIO;
+			goto cleanup;
+		}
 		while (path[i].p_idx <= EXT_MAX_INDEX(path[i].p_hdr)) {
 			ext_debug("%d: move %d:%llu in new index %llu\n", i,
 					le32_to_cpu(path[i].p_idx->ei_block),
@@ -1203,7 +1244,10 @@ ext4_ext_search_left(struct inode *inode, struct ext4_ext_path *path,
 	struct ext4_extent *ex;
 	int depth, ee_len;
 
-	BUG_ON(path == NULL);
+	if (unlikely(path == NULL)) {
+		EXT4_ERROR_INODE(inode, "path == NULL *logical %d!", *logical);
+		return -EIO;
+	}
 	depth = path->p_depth;
 	*phys = 0;
 
@@ -1217,15 +1261,33 @@ ext4_ext_search_left(struct inode *inode, struct ext4_ext_path *path,
 	ex = path[depth].p_ext;
 	ee_len = ext4_ext_get_actual_len(ex);
 	if (*logical < le32_to_cpu(ex->ee_block)) {
-		BUG_ON(EXT_FIRST_EXTENT(path[depth].p_hdr) != ex);
+		if (unlikely(EXT_FIRST_EXTENT(path[depth].p_hdr) != ex)) {
+			EXT4_ERROR_INODE(inode,
+					 "EXT_FIRST_EXTENT != ex *logical %d ee_block %d!",
+					 *logical, le32_to_cpu(ex->ee_block));
+			return -EIO;
+		}
 		while (--depth >= 0) {
 			ix = path[depth].p_idx;
-			BUG_ON(ix != EXT_FIRST_INDEX(path[depth].p_hdr));
+			if (unlikely(ix != EXT_FIRST_INDEX(path[depth].p_hdr))) {
+				EXT4_ERROR_INODE(inode,
+				  "ix (%d) != EXT_FIRST_INDEX (%d) (depth %d)!",
+				  ix != NULL ? ix->ei_block : 0,
+				  EXT_FIRST_INDEX(path[depth].p_hdr) != NULL ?
+				    EXT_FIRST_INDEX(path[depth].p_hdr)->ei_block : 0,
+				  depth);
+				return -EIO;
+			}
 		}
 		return 0;
 	}
 
-	BUG_ON(*logical < (le32_to_cpu(ex->ee_block) + ee_len));
+	if (unlikely(*logical < (le32_to_cpu(ex->ee_block) + ee_len))) {
+		EXT4_ERROR_INODE(inode,
+				 "logical %d < ee_block %d + ee_len %d!",
+				 *logical, le32_to_cpu(ex->ee_block), ee_len);
+		return -EIO;
+	}
 
 	*logical = le32_to_cpu(ex->ee_block) + ee_len - 1;
 	*phys = ext_pblock(ex) + ee_len - 1;
@@ -1251,7 +1313,10 @@ ext4_ext_search_right(struct inode *inode, struct ext4_ext_path *path,
 	int depth;	/* Note, NOT eh_depth; depth from top of tree */
 	int ee_len;
 
-	BUG_ON(path == NULL);
+	if (unlikely(path == NULL)) {
+		EXT4_ERROR_INODE(inode, "path == NULL *logical %d!", *logical);
+		return -EIO;
+	}
 	depth = path->p_depth;
 	*phys = 0;
 
@@ -1265,17 +1330,32 @@ ext4_ext_search_right(struct inode *inode, struct ext4_ext_path *path,
 	ex = path[depth].p_ext;
 	ee_len = ext4_ext_get_actual_len(ex);
 	if (*logical < le32_to_cpu(ex->ee_block)) {
-		BUG_ON(EXT_FIRST_EXTENT(path[depth].p_hdr) != ex);
+		if (unlikely(EXT_FIRST_EXTENT(path[depth].p_hdr) != ex)) {
+			EXT4_ERROR_INODE(inode,
+					 "first_extent(path[%d].p_hdr) != ex",
+					 depth);
+			return -EIO;
+		}
 		while (--depth >= 0) {
 			ix = path[depth].p_idx;
-			BUG_ON(ix != EXT_FIRST_INDEX(path[depth].p_hdr));
+			if (unlikely(ix != EXT_FIRST_INDEX(path[depth].p_hdr))) {
+				EXT4_ERROR_INODE(inode,
+						 "ix != EXT_FIRST_INDEX *logical %d!",
+						 *logical);
+				return -EIO;
+			}
 		}
 		*logical = le32_to_cpu(ex->ee_block);
 		*phys = ext_pblock(ex);
 		return 0;
 	}
 
-	BUG_ON(*logical < (le32_to_cpu(ex->ee_block) + ee_len));
+	if (unlikely(*logical < (le32_to_cpu(ex->ee_block) + ee_len))) {
+		EXT4_ERROR_INODE(inode,
+				 "logical %d < ee_block %d + ee_len %d!",
+				 *logical, le32_to_cpu(ex->ee_block), ee_len);
+		return -EIO;
+	}
 
 	if (ex != EXT_LAST_EXTENT(path[depth].p_hdr)) {
 		/* next allocated block in this leaf */
@@ -1414,8 +1494,12 @@ static int ext4_ext_correct_indexes(handle_t *handle, struct inode *inode,
 
 	eh = path[depth].p_hdr;
 	ex = path[depth].p_ext;
-	BUG_ON(ex == NULL);
-	BUG_ON(eh == NULL);
+
+	if (unlikely(ex == NULL || eh == NULL)) {
+		EXT4_ERROR_INODE(inode,
+				 "ex %p == NULL or eh %p == NULL", ex, eh);
+		return -EIO;
+	}
 
 	if (depth == 0) {
 		/* there is no tree at all */
@@ -1538,8 +1622,9 @@ int ext4_ext_try_to_merge(struct inode *inode,
 		merge_done = 1;
 		WARN_ON(eh->eh_entries == 0);
 		if (!eh->eh_entries)
-			ext4_error(inode->i_sb, "ext4_ext_try_to_merge",
-			   "inode#%lu, eh->eh_entries = 0!", inode->i_ino);
+			ext4_error(inode->i_sb,
+				   "inode#%lu, eh->eh_entries = 0!",
+				   inode->i_ino);
 	}
 
 	return merge_done;
@@ -1612,13 +1697,19 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
 	ext4_lblk_t next;
 	unsigned uninitialized = 0;
 
-	BUG_ON(ext4_ext_get_actual_len(newext) == 0);
+	if (unlikely(ext4_ext_get_actual_len(newext) == 0)) {
+		EXT4_ERROR_INODE(inode, "ext4_ext_get_actual_len(newext) == 0");
+		return -EIO;
+	}
 	depth = ext_depth(inode);
 	ex = path[depth].p_ext;
-	BUG_ON(path[depth].p_hdr == NULL);
+	if (unlikely(path[depth].p_hdr == NULL)) {
+		EXT4_ERROR_INODE(inode, "path[%d].p_hdr == NULL", depth);
+		return -EIO;
+	}
 
 	/* try to insert block into found extent and return */
-	if (ex && (flag != EXT4_GET_BLOCKS_DIO_CREATE_EXT)
+	if (ex && !(flag & EXT4_GET_BLOCKS_PRE_IO)
 		&& ext4_can_extents_be_merged(inode, ex, newext)) {
 		ext_debug("append [%d]%d block to %d:[%d]%d (from %llu)\n",
 				ext4_ext_is_uninitialized(newext),
@@ -1739,7 +1830,7 @@ has_space:
 
 merge:
 	/* try to merge extents to the right */
-	if (flag != EXT4_GET_BLOCKS_DIO_CREATE_EXT)
+	if (!(flag & EXT4_GET_BLOCKS_PRE_IO))
 		ext4_ext_try_to_merge(inode, path, nearex);
 
 	/* try to merge extents to the left */
@@ -1787,7 +1878,11 @@ int ext4_ext_walk_space(struct inode *inode, ext4_lblk_t block,
 		}
 
 		depth = ext_depth(inode);
-		BUG_ON(path[depth].p_hdr == NULL);
+		if (unlikely(path[depth].p_hdr == NULL)) {
+			EXT4_ERROR_INODE(inode, "path[%d].p_hdr == NULL", depth);
+			err = -EIO;
+			break;
+		}
 		ex = path[depth].p_ext;
 		next = ext4_ext_next_allocated_block(path);
 
@@ -1838,7 +1933,11 @@ int ext4_ext_walk_space(struct inode *inode, ext4_lblk_t block,
 			cbex.ec_type = EXT4_EXT_CACHE_EXTENT;
 		}
 
-		BUG_ON(cbex.ec_len == 0);
+		if (unlikely(cbex.ec_len == 0)) {
+			EXT4_ERROR_INODE(inode, "cbex.ec_len == 0");
+			err = -EIO;
+			break;
+		}
 		err = func(inode, path, &cbex, ex, cbdata);
 		ext4_ext_drop_refs(path);
 
@@ -1952,7 +2051,7 @@ ext4_ext_in_cache(struct inode *inode, ext4_lblk_t block,
 
 	BUG_ON(cex->ec_type != EXT4_EXT_CACHE_GAP &&
 			cex->ec_type != EXT4_EXT_CACHE_EXTENT);
-	if (block >= cex->ec_block && block < cex->ec_block + cex->ec_len) {
+	if (in_range(block, cex->ec_block, cex->ec_len)) {
 		ex->ee_block = cpu_to_le32(cex->ec_block);
 		ext4_ext_store_pblock(ex, cex->ec_start);
 		ex->ee_len = cpu_to_le16(cex->ec_len);
@@ -1981,7 +2080,10 @@ static int ext4_ext_rm_idx(handle_t *handle, struct inode *inode,
 	/* free index block */
 	path--;
 	leaf = idx_pblock(path->p_idx);
-	BUG_ON(path->p_hdr->eh_entries == 0);
+	if (unlikely(path->p_hdr->eh_entries == 0)) {
+		EXT4_ERROR_INODE(inode, "path->p_hdr->eh_entries == 0");
+		return -EIO;
+	}
 	err = ext4_ext_get_access(handle, inode, path);
 	if (err)
 		return err;
@@ -2119,8 +2221,10 @@ ext4_ext_rm_leaf(handle_t *handle, struct inode *inode,
 	if (!path[depth].p_hdr)
 		path[depth].p_hdr = ext_block_hdr(path[depth].p_bh);
 	eh = path[depth].p_hdr;
-	BUG_ON(eh == NULL);
-
+	if (unlikely(path[depth].p_hdr == NULL)) {
+		EXT4_ERROR_INODE(inode, "path[%d].p_hdr == NULL", depth);
+		return -EIO;
+	}
 	/* find where to start removing */
 	ex = EXT_LAST_EXTENT(eh);
 
@@ -2983,7 +3087,7 @@ fix_extent_len:
 	ext4_ext_dirty(handle, inode, path + depth);
 	return err;
 }
-static int ext4_convert_unwritten_extents_dio(handle_t *handle,
+static int ext4_convert_unwritten_extents_endio(handle_t *handle,
 					      struct inode *inode,
 					      struct ext4_ext_path *path)
 {
@@ -3063,8 +3167,8 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode,
 		  flags, allocated);
 	ext4_ext_show_leaf(inode, path);
 
-	/* DIO get_block() before submit the IO, split the extent */
-	if (flags == EXT4_GET_BLOCKS_DIO_CREATE_EXT) {
+	/* get_block() before submit the IO, split the extent */
+	if ((flags & EXT4_GET_BLOCKS_PRE_IO)) {
 		ret = ext4_split_unwritten_extents(handle,
 						inode, path, iblock,
 						max_blocks, flags);
@@ -3074,14 +3178,16 @@ ext4_ext_handle_uninitialized_extents(handle_t *handle, struct inode *inode,
 		 * completed
 		 */
 		if (io)
-			io->flag = DIO_AIO_UNWRITTEN;
+			io->flag = EXT4_IO_UNWRITTEN;
 		else
-			EXT4_I(inode)->i_state |= EXT4_STATE_DIO_UNWRITTEN;
+			ext4_set_inode_state(inode, EXT4_STATE_DIO_UNWRITTEN);
+		if (ext4_should_dioread_nolock(inode))
+			set_buffer_uninit(bh_result);
 		goto out;
 	}
-	/* async DIO end_io complete, convert the filled extent to written */
-	if (flags == EXT4_GET_BLOCKS_DIO_CONVERT_EXT) {
-		ret = ext4_convert_unwritten_extents_dio(handle, inode,
+	/* IO end_io complete, convert the filled extent to written */
+	if ((flags & EXT4_GET_BLOCKS_CONVERT)) {
+		ret = ext4_convert_unwritten_extents_endio(handle, inode,
 							path);
 		if (ret >= 0)
 			ext4_update_inode_fsync_trans(handle, inode, 1);
@@ -3185,7 +3291,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 {
 	struct ext4_ext_path *path = NULL;
 	struct ext4_extent_header *eh;
-	struct ext4_extent newex, *ex;
+	struct ext4_extent newex, *ex, *last_ex;
 	ext4_fsblk_t newblock;
 	int err = 0, depth, ret, cache_type;
 	unsigned int allocated = 0;
@@ -3237,10 +3343,10 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 	 * this situation is possible, though, _during_ tree modification;
 	 * this is why assert can't be put in ext4_ext_find_extent()
 	 */
-	if (path[depth].p_ext == NULL && depth != 0) {
-		ext4_error(inode->i_sb, __func__, "bad extent address "
-			   "inode: %lu, iblock: %d, depth: %d",
-			   inode->i_ino, iblock, depth);
+	if (unlikely(path[depth].p_ext == NULL && depth != 0)) {
+		EXT4_ERROR_INODE(inode, "bad extent address "
+				 "iblock: %d, depth: %d pblock %lld",
+				 iblock, depth, path[depth].p_block);
 		err = -EIO;
 		goto out2;
 	}
@@ -3258,7 +3364,7 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 		 */
 		ee_len = ext4_ext_get_actual_len(ex);
 		/* if found extent covers block, simply return it */
-		if (iblock >= ee_block && iblock < ee_block + ee_len) {
+		if (in_range(iblock, ee_block, ee_len)) {
 			newblock = iblock - ee_block + ee_start;
 			/* number of remaining blocks in the extent */
 			allocated = ee_len - (iblock - ee_block);
@@ -3350,21 +3456,35 @@ int ext4_ext_get_blocks(handle_t *handle, struct inode *inode,
 	if (flags & EXT4_GET_BLOCKS_UNINIT_EXT){
 		ext4_ext_mark_uninitialized(&newex);
 		/*
-		 * io_end structure was created for every async
-		 * direct IO write to the middle of the file.
-		 * To avoid unecessary convertion for every aio dio rewrite
-		 * to the mid of file, here we flag the IO that is really
-		 * need the convertion.
+		 * io_end structure was created for every IO write to an
+		 * uninitialized extent. To avoid unecessary conversion,
+		 * here we flag the IO that really needs the conversion.
 		 * For non asycn direct IO case, flag the inode state
 		 * that we need to perform convertion when IO is done.
 		 */
-		if (flags == EXT4_GET_BLOCKS_DIO_CREATE_EXT) {
+		if ((flags & EXT4_GET_BLOCKS_PRE_IO)) {
 			if (io)
-				io->flag = DIO_AIO_UNWRITTEN;
+				io->flag = EXT4_IO_UNWRITTEN;
 			else
-				EXT4_I(inode)->i_state |=
-					EXT4_STATE_DIO_UNWRITTEN;;
+				ext4_set_inode_state(inode,
+						     EXT4_STATE_DIO_UNWRITTEN);
+		}
+		if (ext4_should_dioread_nolock(inode))
+			set_buffer_uninit(bh_result);
+	}
+
+	if (unlikely(EXT4_I(inode)->i_flags & EXT4_EOFBLOCKS_FL)) {
+		if (unlikely(!eh->eh_entries)) {
+			EXT4_ERROR_INODE(inode,
+					 "eh->eh_entries == 0 ee_block %d",
+					 ex->ee_block);
+			err = -EIO;
+			goto out2;
 		}
+		last_ex = EXT_LAST_EXTENT(eh);
+		if (iblock + ar.len > le32_to_cpu(last_ex->ee_block)
+		    + ext4_ext_get_actual_len(last_ex))
+			EXT4_I(inode)->i_flags &= ~EXT4_EOFBLOCKS_FL;
 	}
 	err = ext4_ext_insert_extent(handle, inode, path, &newex, flags);
 	if (err) {
@@ -3499,6 +3619,13 @@ static void ext4_falloc_update_inode(struct inode *inode,
 			i_size_write(inode, new_size);
 		if (new_size > EXT4_I(inode)->i_disksize)
 			ext4_update_i_disksize(inode, new_size);
+	} else {
+		/*
+		 * Mark that we allocate beyond EOF so the subsequent truncate
+		 * can proceed even if the new size is the same as i_size.
+		 */
+		if (new_size > i_size_read(inode))
+			EXT4_I(inode)->i_flags |= EXT4_EOFBLOCKS_FL;
 	}
 
 }
@@ -3603,7 +3730,7 @@ retry:
  * Returns 0 on success.
  */
 int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset,
-				    loff_t len)
+				    ssize_t len)
 {
 	handle_t *handle;
 	ext4_lblk_t block;
@@ -3635,7 +3762,7 @@ int ext4_convert_unwritten_extents(struct inode *inode, loff_t offset,
 		map_bh.b_state = 0;
 		ret = ext4_get_blocks(handle, inode, block,
 				      max_blocks, &map_bh,
-				      EXT4_GET_BLOCKS_DIO_CONVERT_EXT);
+				      EXT4_GET_BLOCKS_IO_CONVERT_EXT);
 		if (ret <= 0) {
 			WARN_ON(ret <= 0);
 			printk(KERN_ERR "%s: ext4_ext_get_blocks "
@@ -3739,7 +3866,7 @@ static int ext4_xattr_fiemap(struct inode *inode,
 	int error = 0;
 
 	/* in-inode? */
-	if (EXT4_I(inode)->i_state & EXT4_STATE_XATTR) {
+	if (ext4_test_inode_state(inode, EXT4_STATE_XATTR)) {
 		struct ext4_iloc iloc;
 		int offset;	/* offset of xattr in inode */
 
@@ -3767,7 +3894,6 @@ int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 		__u64 start, __u64 len)
 {
 	ext4_lblk_t start_blk;
-	ext4_lblk_t len_blks;
 	int error = 0;
 
 	/* fallback to generic here if not in extents fmt */
@@ -3781,8 +3907,14 @@ int ext4_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo,
 	if (fieinfo->fi_flags & FIEMAP_FLAG_XATTR) {
 		error = ext4_xattr_fiemap(inode, fieinfo);
 	} else {
+		ext4_lblk_t len_blks;
+		__u64 last_blk;
+
 		start_blk = start >> inode->i_sb->s_blocksize_bits;
-		len_blks = len >> inode->i_sb->s_blocksize_bits;
+		last_blk = (start + len - 1) >> inode->i_sb->s_blocksize_bits;
+		if (last_blk >= EXT_MAX_BLOCK)
+			last_blk = EXT_MAX_BLOCK-1;
+		len_blks = ((ext4_lblk_t) last_blk) - start_blk + 1;
 
 		/*
 		 * Walk the extent tree gathering extent information.
diff --git a/fs/ext4/file.c b/fs/ext4/file.c
index 9630583cef28..d0776e410f34 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -23,6 +23,7 @@
 #include <linux/jbd2.h>
 #include <linux/mount.h>
 #include <linux/path.h>
+#include <linux/quotaops.h>
 #include "ext4.h"
 #include "ext4_jbd2.h"
 #include "xattr.h"
@@ -35,9 +36,9 @@
  */
 static int ext4_release_file(struct inode *inode, struct file *filp)
 {
-	if (EXT4_I(inode)->i_state & EXT4_STATE_DA_ALLOC_CLOSE) {
+	if (ext4_test_inode_state(inode, EXT4_STATE_DA_ALLOC_CLOSE)) {
 		ext4_alloc_da_blocks(inode);
-		EXT4_I(inode)->i_state &= ~EXT4_STATE_DA_ALLOC_CLOSE;
+		ext4_clear_inode_state(inode, EXT4_STATE_DA_ALLOC_CLOSE);
 	}
 	/* if we are the last writer on the inode, drop the block reservation */
 	if ((filp->f_mode & FMODE_WRITE) &&
@@ -116,18 +117,16 @@ static int ext4_file_open(struct inode * inode, struct file * filp)
 		 * devices or filesystem images.
 		 */
 		memset(buf, 0, sizeof(buf));
-		path.mnt = mnt->mnt_parent;
-		path.dentry = mnt->mnt_mountpoint;
-		path_get(&path);
+		path.mnt = mnt;
+		path.dentry = mnt->mnt_root;
 		cp = d_path(&path, buf, sizeof(buf));
-		path_put(&path);
 		if (!IS_ERR(cp)) {
 			memcpy(sbi->s_es->s_last_mounted, cp,
 			       sizeof(sbi->s_es->s_last_mounted));
 			sb->s_dirt = 1;
 		}
 	}
-	return generic_file_open(inode, filp);
+	return dquot_file_open(inode, filp);
 }
 
 const struct file_operations ext4_file_operations = {
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 98bd140aad01..0d0c3239c1cd 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -63,7 +63,7 @@ int ext4_sync_file(struct file *file, struct dentry *dentry, int datasync)
 	if (inode->i_sb->s_flags & MS_RDONLY)
 		return 0;
 
-	ret = flush_aio_dio_completed_IO(inode);
+	ret = flush_completed_IO(inode);
 	if (ret < 0)
 		return ret;
 	
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index f3624ead4f6c..57f6eef6ccd6 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -76,8 +76,7 @@ unsigned ext4_init_inode_bitmap(struct super_block *sb, struct buffer_head *bh,
 	/* If checksum is bad mark all blocks and inodes use to prevent
 	 * allocation, essentially implementing a per-group read-only flag. */
 	if (!ext4_group_desc_csum_verify(sbi, block_group, gdp)) {
-		ext4_error(sb, __func__, "Checksum bad for group %u",
-			   block_group);
+		ext4_error(sb, "Checksum bad for group %u", block_group);
 		ext4_free_blks_set(sb, gdp, 0);
 		ext4_free_inodes_set(sb, gdp, 0);
 		ext4_itable_unused_set(sb, gdp, 0);
@@ -111,8 +110,7 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
 	bitmap_blk = ext4_inode_bitmap(sb, desc);
 	bh = sb_getblk(sb, bitmap_blk);
 	if (unlikely(!bh)) {
-		ext4_error(sb, __func__,
-			    "Cannot read inode bitmap - "
+		ext4_error(sb, "Cannot read inode bitmap - "
 			    "block_group = %u, inode_bitmap = %llu",
 			    block_group, bitmap_blk);
 		return NULL;
@@ -153,8 +151,7 @@ ext4_read_inode_bitmap(struct super_block *sb, ext4_group_t block_group)
 	set_bitmap_uptodate(bh);
 	if (bh_submit_read(bh) < 0) {
 		put_bh(bh);
-		ext4_error(sb, __func__,
-			    "Cannot read inode bitmap - "
+		ext4_error(sb, "Cannot read inode bitmap - "
 			    "block_group = %u, inode_bitmap = %llu",
 			    block_group, bitmap_blk);
 		return NULL;
@@ -217,10 +214,10 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
 	 * Note: we must free any quota before locking the superblock,
 	 * as writing the quota to disk may need the lock as well.
 	 */
-	vfs_dq_init(inode);
+	dquot_initialize(inode);
 	ext4_xattr_delete_inode(handle, inode);
-	vfs_dq_free_inode(inode);
-	vfs_dq_drop(inode);
+	dquot_free_inode(inode);
+	dquot_drop(inode);
 
 	is_directory = S_ISDIR(inode->i_mode);
 
@@ -229,8 +226,7 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
 
 	es = EXT4_SB(sb)->s_es;
 	if (ino < EXT4_FIRST_INO(sb) || ino > le32_to_cpu(es->s_inodes_count)) {
-		ext4_error(sb, "ext4_free_inode",
-			   "reserved or nonexistent inode %lu", ino);
+		ext4_error(sb, "reserved or nonexistent inode %lu", ino);
 		goto error_return;
 	}
 	block_group = (ino - 1) / EXT4_INODES_PER_GROUP(sb);
@@ -248,8 +244,7 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
 	cleared = ext4_clear_bit_atomic(ext4_group_lock_ptr(sb, block_group),
 					bit, bitmap_bh->b_data);
 	if (!cleared)
-		ext4_error(sb, "ext4_free_inode",
-			   "bit already cleared for inode %lu", ino);
+		ext4_error(sb, "bit already cleared for inode %lu", ino);
 	else {
 		gdp = ext4_get_group_desc(sb, block_group, &bh2);
 
@@ -268,7 +263,7 @@ void ext4_free_inode(handle_t *handle, struct inode *inode)
 					ext4_group_t f;
 
 					f = ext4_flex_group(sbi, block_group);
-					atomic_dec(&sbi->s_flex_groups[f].free_inodes);
+					atomic_dec(&sbi->s_flex_groups[f].used_dirs);
 				}
 
 			}
@@ -736,8 +731,7 @@ static int ext4_claim_inode(struct super_block *sb,
 	if ((group == 0 && ino < EXT4_FIRST_INO(sb)) ||
 			ino > EXT4_INODES_PER_GROUP(sb)) {
 		ext4_unlock_group(sb, group);
-		ext4_error(sb, __func__,
-			   "reserved inode or inode > inodes count - "
+		ext4_error(sb, "reserved inode or inode > inodes count - "
 			   "block_group = %u, inode=%lu", group,
 			   ino + group * EXT4_INODES_PER_GROUP(sb));
 		return 1;
@@ -779,7 +773,7 @@ static int ext4_claim_inode(struct super_block *sb,
 		if (sbi->s_log_groups_per_flex) {
 			ext4_group_t f = ext4_flex_group(sbi, group);
 
-			atomic_inc(&sbi->s_flex_groups[f].free_inodes);
+			atomic_inc(&sbi->s_flex_groups[f].used_dirs);
 		}
 	}
 	gdp->bg_checksum = ext4_group_desc_csum(sbi, group, gdp);
@@ -904,7 +898,7 @@ repeat_in_this_group:
 				BUFFER_TRACE(inode_bitmap_bh,
 					"call ext4_handle_dirty_metadata");
 				err = ext4_handle_dirty_metadata(handle,
-								 inode,
+								 NULL,
 							inode_bitmap_bh);
 				if (err)
 					goto fail;
@@ -1029,15 +1023,16 @@ got:
 	inode->i_generation = sbi->s_next_generation++;
 	spin_unlock(&sbi->s_next_gen_lock);
 
-	ei->i_state = EXT4_STATE_NEW;
+	ei->i_state_flags = 0;
+	ext4_set_inode_state(inode, EXT4_STATE_NEW);
 
 	ei->i_extra_isize = EXT4_SB(sb)->s_want_extra_isize;
 
 	ret = inode;
-	if (vfs_dq_alloc_inode(inode)) {
-		err = -EDQUOT;
+	dquot_initialize(inode);
+	err = dquot_alloc_inode(inode);
+	if (err)
 		goto fail_drop;
-	}
 
 	err = ext4_init_acl(handle, inode, dir);
 	if (err)
@@ -1074,10 +1069,10 @@ really_out:
 	return ret;
 
 fail_free_drop:
-	vfs_dq_free_inode(inode);
+	dquot_free_inode(inode);
 
 fail_drop:
-	vfs_dq_drop(inode);
+	dquot_drop(inode);
 	inode->i_flags |= S_NOQUOTA;
 	inode->i_nlink = 0;
 	unlock_new_inode(inode);
@@ -1098,8 +1093,7 @@ struct inode *ext4_orphan_get(struct super_block *sb, unsigned long ino)
 
 	/* Error cases - e2fsck has already cleaned up for us */
 	if (ino > max_ino) {
-		ext4_warning(sb, __func__,
-			     "bad orphan ino %lu!  e2fsck was run?", ino);
+		ext4_warning(sb, "bad orphan ino %lu!  e2fsck was run?", ino);
 		goto error;
 	}
 
@@ -1107,8 +1101,7 @@ struct inode *ext4_orphan_get(struct super_block *sb, unsigned long ino)
 	bit = (ino - 1) % EXT4_INODES_PER_GROUP(sb);
 	bitmap_bh = ext4_read_inode_bitmap(sb, block_group);
 	if (!bitmap_bh) {
-		ext4_warning(sb, __func__,
-			     "inode bitmap error for orphan %lu", ino);
+		ext4_warning(sb, "inode bitmap error for orphan %lu", ino);
 		goto error;
 	}
 
@@ -1140,8 +1133,7 @@ iget_failed:
 	err = PTR_ERR(inode);
 	inode = NULL;
 bad_orphan:
-	ext4_warning(sb, __func__,
-		     "bad orphan inode %lu!  e2fsck was run?", ino);
+	ext4_warning(sb, "bad orphan inode %lu!  e2fsck was run?", ino);
 	printk(KERN_NOTICE "ext4_test_bit(bit=%d, block=%llu) = %d\n",
 	       bit, (unsigned long long)bitmap_bh->b_blocknr,
 	       ext4_test_bit(bit, bitmap_bh->b_data));
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index e11952404e02..11119e07233b 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -38,6 +38,7 @@
 #include <linux/uio.h>
 #include <linux/bio.h>
 #include <linux/workqueue.h>
+#include <linux/kernel.h>
 
 #include "ext4_jbd2.h"
 #include "xattr.h"
@@ -170,6 +171,9 @@ void ext4_delete_inode(struct inode *inode)
 	handle_t *handle;
 	int err;
 
+	if (!is_bad_inode(inode))
+		dquot_initialize(inode);
+
 	if (ext4_should_order_data(inode))
 		ext4_begin_ordered_truncate(inode, 0);
 	truncate_inode_pages(&inode->i_data, 0);
@@ -194,7 +198,7 @@ void ext4_delete_inode(struct inode *inode)
 	inode->i_size = 0;
 	err = ext4_mark_inode_dirty(handle, inode);
 	if (err) {
-		ext4_warning(inode->i_sb, __func__,
+		ext4_warning(inode->i_sb,
 			     "couldn't mark inode dirty (err %d)", err);
 		goto stop_handle;
 	}
@@ -212,7 +216,7 @@ void ext4_delete_inode(struct inode *inode)
 		if (err > 0)
 			err = ext4_journal_restart(handle, 3);
 		if (err != 0) {
-			ext4_warning(inode->i_sb, __func__,
+			ext4_warning(inode->i_sb,
 				     "couldn't extend journal (err %d)", err);
 		stop_handle:
 			ext4_journal_stop(handle);
@@ -323,8 +327,7 @@ static int ext4_block_to_path(struct inode *inode,
 		offsets[n++] = i_block & (ptrs - 1);
 		final = ptrs;
 	} else {
-		ext4_warning(inode->i_sb, "ext4_block_to_path",
-			     "block %lu > max in inode %lu",
+		ext4_warning(inode->i_sb, "block %lu > max in inode %lu",
 			     i_block + direct_blocks +
 			     indirect_blocks + double_blocks, inode->i_ino);
 	}
@@ -344,7 +347,7 @@ static int __ext4_check_blockref(const char *function, struct inode *inode,
 		if (blk &&
 		    unlikely(!ext4_data_block_valid(EXT4_SB(inode->i_sb),
 						    blk, 1))) {
-			ext4_error(inode->i_sb, function,
+			__ext4_error(inode->i_sb, function,
 				   "invalid block reference %u "
 				   "in inode #%lu", blk, inode->i_ino);
 			return -EIO;
@@ -607,7 +610,14 @@ static int ext4_alloc_blocks(handle_t *handle, struct inode *inode,
 		if (*err)
 			goto failed_out;
 
-		BUG_ON(current_block + count > EXT4_MAX_BLOCK_FILE_PHYS);
+		if (unlikely(current_block + count > EXT4_MAX_BLOCK_FILE_PHYS)) {
+			EXT4_ERROR_INODE(inode,
+					 "current_block %llu + count %lu > %d!",
+					 current_block, count,
+					 EXT4_MAX_BLOCK_FILE_PHYS);
+			*err = -EIO;
+			goto failed_out;
+		}
 
 		target -= count;
 		/* allocate blocks for indirect blocks */
@@ -643,7 +653,14 @@ static int ext4_alloc_blocks(handle_t *handle, struct inode *inode,
 		ar.flags = EXT4_MB_HINT_DATA;
 
 	current_block = ext4_mb_new_blocks(handle, &ar, err);
-	BUG_ON(current_block + ar.len > EXT4_MAX_BLOCK_FILE_PHYS);
+	if (unlikely(current_block + ar.len > EXT4_MAX_BLOCK_FILE_PHYS)) {
+		EXT4_ERROR_INODE(inode,
+				 "current_block %llu + ar.len %d > %d!",
+				 current_block, ar.len,
+				 EXT4_MAX_BLOCK_FILE_PHYS);
+		*err = -EIO;
+		goto failed_out;
+	}
 
 	if (*err && (target == blks)) {
 		/*
@@ -1018,7 +1035,7 @@ static int ext4_indirect_calc_metadata_amount(struct inode *inode,
 					      sector_t lblock)
 {
 	struct ext4_inode_info *ei = EXT4_I(inode);
-	int dind_mask = EXT4_ADDR_PER_BLOCK(inode->i_sb) - 1;
+	sector_t dind_mask = ~((sector_t)EXT4_ADDR_PER_BLOCK(inode->i_sb) - 1);
 	int blk_bits;
 
 	if (lblock < EXT4_NDIR_BLOCKS)
@@ -1033,7 +1050,7 @@ static int ext4_indirect_calc_metadata_amount(struct inode *inode,
 	}
 	ei->i_da_metadata_calc_last_lblock = lblock & dind_mask;
 	ei->i_da_metadata_calc_len = 1;
-	blk_bits = roundup_pow_of_two(lblock + 1);
+	blk_bits = order_base_2(lblock);
 	return (blk_bits / EXT4_ADDR_PER_BLOCK_BITS(inode->i_sb)) + 1;
 }
 
@@ -1061,6 +1078,7 @@ void ext4_da_update_reserve_space(struct inode *inode,
 	int mdb_free = 0, allocated_meta_blocks = 0;
 
 	spin_lock(&ei->i_block_reservation_lock);
+	trace_ext4_da_update_reserve_space(inode, used);
 	if (unlikely(used > ei->i_reserved_data_blocks)) {
 		ext4_msg(inode->i_sb, KERN_NOTICE, "%s: ino %lu, used %d "
 			 "with only %d reserved data blocks\n",
@@ -1093,9 +1111,9 @@ void ext4_da_update_reserve_space(struct inode *inode,
 
 	/* Update quota subsystem */
 	if (quota_claim) {
-		vfs_dq_claim_block(inode, used);
+		dquot_claim_block(inode, used);
 		if (mdb_free)
-			vfs_dq_release_reservation_block(inode, mdb_free);
+			dquot_release_reservation_block(inode, mdb_free);
 	} else {
 		/*
 		 * We did fallocate with an offset that is already delayed
@@ -1106,8 +1124,8 @@ void ext4_da_update_reserve_space(struct inode *inode,
 		 * that
 		 */
 		if (allocated_meta_blocks)
-			vfs_dq_claim_block(inode, allocated_meta_blocks);
-		vfs_dq_release_reservation_block(inode, mdb_free + used);
+			dquot_claim_block(inode, allocated_meta_blocks);
+		dquot_release_reservation_block(inode, mdb_free + used);
 	}
 
 	/*
@@ -1124,7 +1142,7 @@ static int check_block_validity(struct inode *inode, const char *msg,
 				sector_t logical, sector_t phys, int len)
 {
 	if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), phys, len)) {
-		ext4_error(inode->i_sb, msg,
+		__ext4_error(inode->i_sb, msg,
 			   "inode #%lu logical block %llu mapped to %llu "
 			   "(size %d)", inode->i_ino,
 			   (unsigned long long) logical,
@@ -1306,7 +1324,7 @@ int ext4_get_blocks(handle_t *handle, struct inode *inode, sector_t block,
 			 * i_data's format changing.  Force the migrate
 			 * to fail by clearing migrate flags
 			 */
-			EXT4_I(inode)->i_state &= ~EXT4_STATE_EXT_MIGRATE;
+			ext4_clear_inode_state(inode, EXT4_STATE_EXT_MIGRATE);
 		}
 
 		/*
@@ -1534,6 +1552,8 @@ static void ext4_truncate_failed_write(struct inode *inode)
 	ext4_truncate(inode);
 }
 
+static int ext4_get_block_write(struct inode *inode, sector_t iblock,
+		   struct buffer_head *bh_result, int create);
 static int ext4_write_begin(struct file *file, struct address_space *mapping,
 			    loff_t pos, unsigned len, unsigned flags,
 			    struct page **pagep, void **fsdata)
@@ -1575,8 +1595,12 @@ retry:
 	}
 	*pagep = page;
 
-	ret = block_write_begin(file, mapping, pos, len, flags, pagep, fsdata,
-				ext4_get_block);
+	if (ext4_should_dioread_nolock(inode))
+		ret = block_write_begin(file, mapping, pos, len, flags, pagep,
+				fsdata, ext4_get_block_write);
+	else
+		ret = block_write_begin(file, mapping, pos, len, flags, pagep,
+				fsdata, ext4_get_block);
 
 	if (!ret && ext4_should_journal_data(inode)) {
 		ret = walk_page_buffers(handle, page_buffers(page),
@@ -1793,7 +1817,7 @@ static int ext4_journalled_write_end(struct file *file,
 	new_i_size = pos + copied;
 	if (new_i_size > inode->i_size)
 		i_size_write(inode, pos+copied);
-	EXT4_I(inode)->i_state |= EXT4_STATE_JDATA;
+	ext4_set_inode_state(inode, EXT4_STATE_JDATA);
 	if (new_i_size > EXT4_I(inode)->i_disksize) {
 		ext4_update_i_disksize(inode, new_i_size);
 		ret2 = ext4_mark_inode_dirty(handle, inode);
@@ -1836,6 +1860,7 @@ static int ext4_da_reserve_space(struct inode *inode, sector_t lblock)
 	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
 	struct ext4_inode_info *ei = EXT4_I(inode);
 	unsigned long md_needed, md_reserved;
+	int ret;
 
 	/*
 	 * recalculate the amount of metadata blocks to reserve
@@ -1846,6 +1871,7 @@ repeat:
 	spin_lock(&ei->i_block_reservation_lock);
 	md_reserved = ei->i_reserved_meta_blocks;
 	md_needed = ext4_calc_metadata_amount(inode, lblock);
+	trace_ext4_da_reserve_space(inode, md_needed);
 	spin_unlock(&ei->i_block_reservation_lock);
 
 	/*
@@ -1853,11 +1879,12 @@ repeat:
 	 * later. Real quota accounting is done at pages writeout
 	 * time.
 	 */
-	if (vfs_dq_reserve_block(inode, md_needed + 1))
-		return -EDQUOT;
+	ret = dquot_reserve_block(inode, md_needed + 1);
+	if (ret)
+		return ret;
 
 	if (ext4_claim_free_blocks(sbi, md_needed + 1)) {
-		vfs_dq_release_reservation_block(inode, md_needed + 1);
+		dquot_release_reservation_block(inode, md_needed + 1);
 		if (ext4_should_retry_alloc(inode->i_sb, &retries)) {
 			yield();
 			goto repeat;
@@ -1914,7 +1941,7 @@ static void ext4_da_release_space(struct inode *inode, int to_free)
 
 	spin_unlock(&EXT4_I(inode)->i_block_reservation_lock);
 
-	vfs_dq_release_reservation_block(inode, to_free);
+	dquot_release_reservation_block(inode, to_free);
 }
 
 static void ext4_da_page_release_reservation(struct page *page,
@@ -2091,6 +2118,8 @@ static void mpage_put_bnr_to_bhs(struct mpage_da_data *mpd, sector_t logical,
 				} else if (buffer_mapped(bh))
 					BUG_ON(bh->b_blocknr != pblock);
 
+				if (buffer_uninit(exbh))
+					set_buffer_uninit(bh);
 				cur_logical++;
 				pblock++;
 			} while ((bh = bh->b_this_page) != head);
@@ -2133,17 +2162,16 @@ static void ext4_da_block_invalidatepages(struct mpage_da_data *mpd,
 			break;
 		for (i = 0; i < nr_pages; i++) {
 			struct page *page = pvec.pages[i];
-			index = page->index;
-			if (index > end)
+			if (page->index > end)
 				break;
-			index++;
-
 			BUG_ON(!PageLocked(page));
 			BUG_ON(PageWriteback(page));
 			block_invalidatepage(page, 0);
 			ClearPageUptodate(page);
 			unlock_page(page);
 		}
+		index = pvec.pages[nr_pages - 1]->index + 1;
+		pagevec_release(&pvec);
 	}
 	return;
 }
@@ -2220,6 +2248,8 @@ static int mpage_da_map_blocks(struct mpage_da_data *mpd)
 	 */
 	new.b_state = 0;
 	get_blocks_flags = EXT4_GET_BLOCKS_CREATE;
+	if (ext4_should_dioread_nolock(mpd->inode))
+		get_blocks_flags |= EXT4_GET_BLOCKS_IO_CREATE_EXT;
 	if (mpd->b_state & (1 << BH_Delay))
 		get_blocks_flags |= EXT4_GET_BLOCKS_DELALLOC_RESERVE;
 
@@ -2630,11 +2660,14 @@ static int __ext4_journalled_writepage(struct page *page,
 		ret = err;
 
 	walk_page_buffers(handle, page_bufs, 0, len, NULL, bput_one);
-	EXT4_I(inode)->i_state |= EXT4_STATE_JDATA;
+	ext4_set_inode_state(inode, EXT4_STATE_JDATA);
 out:
 	return ret;
 }
 
+static int ext4_set_bh_endio(struct buffer_head *bh, struct inode *inode);
+static void ext4_end_io_buffer_write(struct buffer_head *bh, int uptodate);
+
 /*
  * Note that we don't need to start a transaction unless we're journaling data
  * because we should have holes filled from ext4_page_mkwrite(). We even don't
@@ -2682,7 +2715,7 @@ static int ext4_writepage(struct page *page,
 	int ret = 0;
 	loff_t size;
 	unsigned int len;
-	struct buffer_head *page_bufs;
+	struct buffer_head *page_bufs = NULL;
 	struct inode *inode = page->mapping->host;
 
 	trace_ext4_writepage(inode, page);
@@ -2758,7 +2791,11 @@ static int ext4_writepage(struct page *page,
 
 	if (test_opt(inode->i_sb, NOBH) && ext4_should_writeback_data(inode))
 		ret = nobh_writepage(page, noalloc_get_block_write, wbc);
-	else
+	else if (page_bufs && buffer_uninit(page_bufs)) {
+		ext4_set_bh_endio(page_bufs, inode);
+		ret = block_write_full_page_endio(page, noalloc_get_block_write,
+					    wbc, ext4_end_io_buffer_write);
+	} else
 		ret = block_write_full_page(page, noalloc_get_block_write,
 					    wbc);
 
@@ -3301,7 +3338,8 @@ static sector_t ext4_bmap(struct address_space *mapping, sector_t block)
 		filemap_write_and_wait(mapping);
 	}
 
-	if (EXT4_JOURNAL(inode) && EXT4_I(inode)->i_state & EXT4_STATE_JDATA) {
+	if (EXT4_JOURNAL(inode) &&
+	    ext4_test_inode_state(inode, EXT4_STATE_JDATA)) {
 		/*
 		 * This is a REALLY heavyweight approach, but the use of
 		 * bmap on dirty files is expected to be extremely rare:
@@ -3320,7 +3358,7 @@ static sector_t ext4_bmap(struct address_space *mapping, sector_t block)
 		 * everything they get.
 		 */
 
-		EXT4_I(inode)->i_state &= ~EXT4_STATE_JDATA;
+		ext4_clear_inode_state(inode, EXT4_STATE_JDATA);
 		journal = EXT4_JOURNAL(inode);
 		jbd2_journal_lock_updates(journal);
 		err = jbd2_journal_flush(journal);
@@ -3345,11 +3383,45 @@ ext4_readpages(struct file *file, struct address_space *mapping,
 	return mpage_readpages(mapping, pages, nr_pages, ext4_get_block);
 }
 
+static void ext4_free_io_end(ext4_io_end_t *io)
+{
+	BUG_ON(!io);
+	if (io->page)
+		put_page(io->page);
+	iput(io->inode);
+	kfree(io);
+}
+
+static void ext4_invalidatepage_free_endio(struct page *page, unsigned long offset)
+{
+	struct buffer_head *head, *bh;
+	unsigned int curr_off = 0;
+
+	if (!page_has_buffers(page))
+		return;
+	head = bh = page_buffers(page);
+	do {
+		if (offset <= curr_off && test_clear_buffer_uninit(bh)
+					&& bh->b_private) {
+			ext4_free_io_end(bh->b_private);
+			bh->b_private = NULL;
+			bh->b_end_io = NULL;
+		}
+		curr_off = curr_off + bh->b_size;
+		bh = bh->b_this_page;
+	} while (bh != head);
+}
+
 static void ext4_invalidatepage(struct page *page, unsigned long offset)
 {
 	journal_t *journal = EXT4_JOURNAL(page->mapping->host);
 
 	/*
+	 * free any io_end structure allocated for buffers to be discarded
+	 */
+	if (ext4_should_dioread_nolock(page->mapping->host))
+		ext4_invalidatepage_free_endio(page, offset);
+	/*
 	 * If it's a full truncate we just forget about the pending dirtying
 	 */
 	if (offset == 0)
@@ -3420,7 +3492,14 @@ static ssize_t ext4_ind_direct_IO(int rw, struct kiocb *iocb,
 	}
 
 retry:
-	ret = blockdev_direct_IO(rw, iocb, inode, inode->i_sb->s_bdev, iov,
+	if (rw == READ && ext4_should_dioread_nolock(inode))
+		ret = blockdev_direct_IO_no_locking(rw, iocb, inode,
+				 inode->i_sb->s_bdev, iov,
+				 offset, nr_segs,
+				 ext4_get_block, NULL);
+	else
+		ret = blockdev_direct_IO(rw, iocb, inode,
+				 inode->i_sb->s_bdev, iov,
 				 offset, nr_segs,
 				 ext4_get_block, NULL);
 	if (ret == -ENOSPC && ext4_should_retry_alloc(inode->i_sb, &retries))
@@ -3436,6 +3515,9 @@ retry:
 			 * but cannot extend i_size. Bail out and pretend
 			 * the write failed... */
 			ret = PTR_ERR(handle);
+			if (inode->i_nlink)
+				ext4_orphan_del(NULL, inode);
+
 			goto out;
 		}
 		if (inode->i_nlink)
@@ -3463,75 +3545,63 @@ out:
 	return ret;
 }
 
-static int ext4_get_block_dio_write(struct inode *inode, sector_t iblock,
+static int ext4_get_block_write(struct inode *inode, sector_t iblock,
 		   struct buffer_head *bh_result, int create)
 {
-	handle_t *handle = NULL;
+	handle_t *handle = ext4_journal_current_handle();
 	int ret = 0;
 	unsigned max_blocks = bh_result->b_size >> inode->i_blkbits;
 	int dio_credits;
+	int started = 0;
 
-	ext4_debug("ext4_get_block_dio_write: inode %lu, create flag %d\n",
+	ext4_debug("ext4_get_block_write: inode %lu, create flag %d\n",
 		   inode->i_ino, create);
 	/*
-	 * DIO VFS code passes create = 0 flag for write to
-	 * the middle of file. It does this to avoid block
-	 * allocation for holes, to prevent expose stale data
-	 * out when there is parallel buffered read (which does
-	 * not hold the i_mutex lock) while direct IO write has
-	 * not completed. DIO request on holes finally falls back
-	 * to buffered IO for this reason.
-	 *
-	 * For ext4 extent based file, since we support fallocate,
-	 * new allocated extent as uninitialized, for holes, we
-	 * could fallocate blocks for holes, thus parallel
-	 * buffered IO read will zero out the page when read on
-	 * a hole while parallel DIO write to the hole has not completed.
-	 *
-	 * when we come here, we know it's a direct IO write to
-	 * to the middle of file (<i_size)
-	 * so it's safe to override the create flag from VFS.
+	 * ext4_get_block in prepare for a DIO write or buffer write.
+	 * We allocate an uinitialized extent if blocks haven't been allocated.
+	 * The extent will be converted to initialized after IO complete.
 	 */
-	create = EXT4_GET_BLOCKS_DIO_CREATE_EXT;
+	create = EXT4_GET_BLOCKS_IO_CREATE_EXT;
 
-	if (max_blocks > DIO_MAX_BLOCKS)
-		max_blocks = DIO_MAX_BLOCKS;
-	dio_credits = ext4_chunk_trans_blocks(inode, max_blocks);
-	handle = ext4_journal_start(inode, dio_credits);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
-		goto out;
+	if (!handle) {
+		if (max_blocks > DIO_MAX_BLOCKS)
+			max_blocks = DIO_MAX_BLOCKS;
+		dio_credits = ext4_chunk_trans_blocks(inode, max_blocks);
+		handle = ext4_journal_start(inode, dio_credits);
+		if (IS_ERR(handle)) {
+			ret = PTR_ERR(handle);
+			goto out;
+		}
+		started = 1;
 	}
+
 	ret = ext4_get_blocks(handle, inode, iblock, max_blocks, bh_result,
 			      create);
 	if (ret > 0) {
 		bh_result->b_size = (ret << inode->i_blkbits);
 		ret = 0;
 	}
-	ext4_journal_stop(handle);
+	if (started)
+		ext4_journal_stop(handle);
 out:
 	return ret;
 }
 
-static void ext4_free_io_end(ext4_io_end_t *io)
-{
-	BUG_ON(!io);
-	iput(io->inode);
-	kfree(io);
-}
-static void dump_aio_dio_list(struct inode * inode)
+static void dump_completed_IO(struct inode * inode)
 {
 #ifdef	EXT4_DEBUG
 	struct list_head *cur, *before, *after;
 	ext4_io_end_t *io, *io0, *io1;
+	unsigned long flags;
 
-	if (list_empty(&EXT4_I(inode)->i_aio_dio_complete_list)){
-		ext4_debug("inode %lu aio dio list is empty\n", inode->i_ino);
+	if (list_empty(&EXT4_I(inode)->i_completed_io_list)){
+		ext4_debug("inode %lu completed_io list is empty\n", inode->i_ino);
 		return;
 	}
 
-	ext4_debug("Dump inode %lu aio_dio_completed_IO list \n", inode->i_ino);
-	list_for_each_entry(io, &EXT4_I(inode)->i_aio_dio_complete_list, list){
+	ext4_debug("Dump inode %lu completed_io list \n", inode->i_ino);
+	spin_lock_irqsave(&EXT4_I(inode)->i_completed_io_lock, flags);
+	list_for_each_entry(io, &EXT4_I(inode)->i_completed_io_list, list){
 		cur = &io->list;
 		before = cur->prev;
 		io0 = container_of(before, ext4_io_end_t, list);
@@ -3541,32 +3611,31 @@ static void dump_aio_dio_list(struct inode * inode)
 		ext4_debug("io 0x%p from inode %lu,prev 0x%p,next 0x%p\n",
 			    io, inode->i_ino, io0, io1);
 	}
+	spin_unlock_irqrestore(&EXT4_I(inode)->i_completed_io_lock, flags);
 #endif
 }
 
 /*
  * check a range of space and convert unwritten extents to written.
  */
-static int ext4_end_aio_dio_nolock(ext4_io_end_t *io)
+static int ext4_end_io_nolock(ext4_io_end_t *io)
 {
 	struct inode *inode = io->inode;
 	loff_t offset = io->offset;
-	size_t size = io->size;
+	ssize_t size = io->size;
 	int ret = 0;
 
-	ext4_debug("end_aio_dio_onlock: io 0x%p from inode %lu,list->next 0x%p,"
+	ext4_debug("ext4_end_io_nolock: io 0x%p from inode %lu,list->next 0x%p,"
 		   "list->prev 0x%p\n",
 	           io, inode->i_ino, io->list.next, io->list.prev);
 
 	if (list_empty(&io->list))
 		return ret;
 
-	if (io->flag != DIO_AIO_UNWRITTEN)
+	if (io->flag != EXT4_IO_UNWRITTEN)
 		return ret;
 
-	if (offset + size <= i_size_read(inode))
-		ret = ext4_convert_unwritten_extents(inode, offset, size);
-
+	ret = ext4_convert_unwritten_extents(inode, offset, size);
 	if (ret < 0) {
 		printk(KERN_EMERG "%s: failed to convert unwritten"
 			"extents to written extents, error is %d"
@@ -3579,50 +3648,64 @@ static int ext4_end_aio_dio_nolock(ext4_io_end_t *io)
 	io->flag = 0;
 	return ret;
 }
+
 /*
  * work on completed aio dio IO, to convert unwritten extents to extents
  */
-static void ext4_end_aio_dio_work(struct work_struct *work)
+static void ext4_end_io_work(struct work_struct *work)
 {
-	ext4_io_end_t *io  = container_of(work, ext4_io_end_t, work);
-	struct inode *inode = io->inode;
-	int ret = 0;
+	ext4_io_end_t		*io = container_of(work, ext4_io_end_t, work);
+	struct inode		*inode = io->inode;
+	struct ext4_inode_info	*ei = EXT4_I(inode);
+	unsigned long		flags;
+	int			ret;
 
 	mutex_lock(&inode->i_mutex);
-	ret = ext4_end_aio_dio_nolock(io);
-	if (ret >= 0) {
-		if (!list_empty(&io->list))
-			list_del_init(&io->list);
-		ext4_free_io_end(io);
+	ret = ext4_end_io_nolock(io);
+	if (ret < 0) {
+		mutex_unlock(&inode->i_mutex);
+		return;
 	}
+
+	spin_lock_irqsave(&ei->i_completed_io_lock, flags);
+	if (!list_empty(&io->list))
+		list_del_init(&io->list);
+	spin_unlock_irqrestore(&ei->i_completed_io_lock, flags);
 	mutex_unlock(&inode->i_mutex);
+	ext4_free_io_end(io);
 }
+
 /*
  * This function is called from ext4_sync_file().
  *
- * When AIO DIO IO is completed, the work to convert unwritten
- * extents to written is queued on workqueue but may not get immediately
+ * When IO is completed, the work to convert unwritten extents to
+ * written is queued on workqueue but may not get immediately
  * scheduled. When fsync is called, we need to ensure the
  * conversion is complete before fsync returns.
- * The inode keeps track of a list of completed AIO from DIO path
- * that might needs to do the conversion. This function walks through
- * the list and convert the related unwritten extents to written.
+ * The inode keeps track of a list of pending/completed IO that
+ * might needs to do the conversion. This function walks through
+ * the list and convert the related unwritten extents for completed IO
+ * to written.
+ * The function return the number of pending IOs on success.
  */
-int flush_aio_dio_completed_IO(struct inode *inode)
+int flush_completed_IO(struct inode *inode)
 {
 	ext4_io_end_t *io;
+	struct ext4_inode_info *ei = EXT4_I(inode);
+	unsigned long flags;
 	int ret = 0;
 	int ret2 = 0;
 
-	if (list_empty(&EXT4_I(inode)->i_aio_dio_complete_list))
+	if (list_empty(&ei->i_completed_io_list))
 		return ret;
 
-	dump_aio_dio_list(inode);
-	while (!list_empty(&EXT4_I(inode)->i_aio_dio_complete_list)){
-		io = list_entry(EXT4_I(inode)->i_aio_dio_complete_list.next,
+	dump_completed_IO(inode);
+	spin_lock_irqsave(&ei->i_completed_io_lock, flags);
+	while (!list_empty(&ei->i_completed_io_list)){
+		io = list_entry(ei->i_completed_io_list.next,
 				ext4_io_end_t, list);
 		/*
-		 * Calling ext4_end_aio_dio_nolock() to convert completed
+		 * Calling ext4_end_io_nolock() to convert completed
 		 * IO to written.
 		 *
 		 * When ext4_sync_file() is called, run_queue() may already
@@ -3635,20 +3718,23 @@ int flush_aio_dio_completed_IO(struct inode *inode)
 		 * avoid double converting from both fsync and background work
 		 * queue work.
 		 */
-		ret = ext4_end_aio_dio_nolock(io);
+		spin_unlock_irqrestore(&ei->i_completed_io_lock, flags);
+		ret = ext4_end_io_nolock(io);
+		spin_lock_irqsave(&ei->i_completed_io_lock, flags);
 		if (ret < 0)
 			ret2 = ret;
 		else
 			list_del_init(&io->list);
 	}
+	spin_unlock_irqrestore(&ei->i_completed_io_lock, flags);
 	return (ret2 < 0) ? ret2 : 0;
 }
 
-static ext4_io_end_t *ext4_init_io_end (struct inode *inode)
+static ext4_io_end_t *ext4_init_io_end (struct inode *inode, gfp_t flags)
 {
 	ext4_io_end_t *io = NULL;
 
-	io = kmalloc(sizeof(*io), GFP_NOFS);
+	io = kmalloc(sizeof(*io), flags);
 
 	if (io) {
 		igrab(inode);
@@ -3656,8 +3742,8 @@ static ext4_io_end_t *ext4_init_io_end (struct inode *inode)
 		io->flag = 0;
 		io->offset = 0;
 		io->size = 0;
-		io->error = 0;
-		INIT_WORK(&io->work, ext4_end_aio_dio_work);
+		io->page = NULL;
+		INIT_WORK(&io->work, ext4_end_io_work);
 		INIT_LIST_HEAD(&io->list);
 	}
 
@@ -3669,6 +3755,8 @@ static void ext4_end_io_dio(struct kiocb *iocb, loff_t offset,
 {
         ext4_io_end_t *io_end = iocb->private;
 	struct workqueue_struct *wq;
+	unsigned long flags;
+	struct ext4_inode_info *ei;
 
 	/* if not async direct IO or dio with 0 bytes write, just return */
 	if (!io_end || !size)
@@ -3680,7 +3768,7 @@ static void ext4_end_io_dio(struct kiocb *iocb, loff_t offset,
 		  size);
 
 	/* if not aio dio with unwritten extents, just free io and return */
-	if (io_end->flag != DIO_AIO_UNWRITTEN){
+	if (io_end->flag != EXT4_IO_UNWRITTEN){
 		ext4_free_io_end(io_end);
 		iocb->private = NULL;
 		return;
@@ -3688,16 +3776,85 @@ static void ext4_end_io_dio(struct kiocb *iocb, loff_t offset,
 
 	io_end->offset = offset;
 	io_end->size = size;
+	io_end->flag = EXT4_IO_UNWRITTEN;
 	wq = EXT4_SB(io_end->inode->i_sb)->dio_unwritten_wq;
 
 	/* queue the work to convert unwritten extents to written */
 	queue_work(wq, &io_end->work);
 
 	/* Add the io_end to per-inode completed aio dio list*/
-	list_add_tail(&io_end->list,
-		 &EXT4_I(io_end->inode)->i_aio_dio_complete_list);
+	ei = EXT4_I(io_end->inode);
+	spin_lock_irqsave(&ei->i_completed_io_lock, flags);
+	list_add_tail(&io_end->list, &ei->i_completed_io_list);
+	spin_unlock_irqrestore(&ei->i_completed_io_lock, flags);
 	iocb->private = NULL;
 }
+
+static void ext4_end_io_buffer_write(struct buffer_head *bh, int uptodate)
+{
+	ext4_io_end_t *io_end = bh->b_private;
+	struct workqueue_struct *wq;
+	struct inode *inode;
+	unsigned long flags;
+
+	if (!test_clear_buffer_uninit(bh) || !io_end)
+		goto out;
+
+	if (!(io_end->inode->i_sb->s_flags & MS_ACTIVE)) {
+		printk("sb umounted, discard end_io request for inode %lu\n",
+			io_end->inode->i_ino);
+		ext4_free_io_end(io_end);
+		goto out;
+	}
+
+	io_end->flag = EXT4_IO_UNWRITTEN;
+	inode = io_end->inode;
+
+	/* Add the io_end to per-inode completed io list*/
+	spin_lock_irqsave(&EXT4_I(inode)->i_completed_io_lock, flags);
+	list_add_tail(&io_end->list, &EXT4_I(inode)->i_completed_io_list);
+	spin_unlock_irqrestore(&EXT4_I(inode)->i_completed_io_lock, flags);
+
+	wq = EXT4_SB(inode->i_sb)->dio_unwritten_wq;
+	/* queue the work to convert unwritten extents to written */
+	queue_work(wq, &io_end->work);
+out:
+	bh->b_private = NULL;
+	bh->b_end_io = NULL;
+	clear_buffer_uninit(bh);
+	end_buffer_async_write(bh, uptodate);
+}
+
+static int ext4_set_bh_endio(struct buffer_head *bh, struct inode *inode)
+{
+	ext4_io_end_t *io_end;
+	struct page *page = bh->b_page;
+	loff_t offset = (sector_t)page->index << PAGE_CACHE_SHIFT;
+	size_t size = bh->b_size;
+
+retry:
+	io_end = ext4_init_io_end(inode, GFP_ATOMIC);
+	if (!io_end) {
+		if (printk_ratelimit())
+			printk(KERN_WARNING "%s: allocation fail\n", __func__);
+		schedule();
+		goto retry;
+	}
+	io_end->offset = offset;
+	io_end->size = size;
+	/*
+	 * We need to hold a reference to the page to make sure it
+	 * doesn't get evicted before ext4_end_io_work() has a chance
+	 * to convert the extent from written to unwritten.
+	 */
+	io_end->page = page;
+	get_page(io_end->page);
+
+	bh->b_private = io_end;
+	bh->b_end_io = ext4_end_io_buffer_write;
+	return 0;
+}
+
 /*
  * For ext4 extent files, ext4 will do direct-io write to holes,
  * preallocated extents, and those write extend the file, no need to
@@ -3751,7 +3908,7 @@ static ssize_t ext4_ext_direct_IO(int rw, struct kiocb *iocb,
 		iocb->private = NULL;
 		EXT4_I(inode)->cur_aio_dio = NULL;
 		if (!is_sync_kiocb(iocb)) {
-			iocb->private = ext4_init_io_end(inode);
+			iocb->private = ext4_init_io_end(inode, GFP_NOFS);
 			if (!iocb->private)
 				return -ENOMEM;
 			/*
@@ -3767,7 +3924,7 @@ static ssize_t ext4_ext_direct_IO(int rw, struct kiocb *iocb,
 		ret = blockdev_direct_IO(rw, iocb, inode,
 					 inode->i_sb->s_bdev, iov,
 					 offset, nr_segs,
-					 ext4_get_block_dio_write,
+					 ext4_get_block_write,
 					 ext4_end_io_dio);
 		if (iocb->private)
 			EXT4_I(inode)->cur_aio_dio = NULL;
@@ -3788,8 +3945,8 @@ static ssize_t ext4_ext_direct_IO(int rw, struct kiocb *iocb,
 		if (ret != -EIOCBQUEUED && ret <= 0 && iocb->private) {
 			ext4_free_io_end(iocb->private);
 			iocb->private = NULL;
-		} else if (ret > 0 && (EXT4_I(inode)->i_state &
-				       EXT4_STATE_DIO_UNWRITTEN)) {
+		} else if (ret > 0 && ext4_test_inode_state(inode,
+						EXT4_STATE_DIO_UNWRITTEN)) {
 			int err;
 			/*
 			 * for non AIO case, since the IO is already
@@ -3799,7 +3956,7 @@ static ssize_t ext4_ext_direct_IO(int rw, struct kiocb *iocb,
 							     offset, ret);
 			if (err < 0)
 				ret = err;
-			EXT4_I(inode)->i_state &= ~EXT4_STATE_DIO_UNWRITTEN;
+			ext4_clear_inode_state(inode, EXT4_STATE_DIO_UNWRITTEN);
 		}
 		return ret;
 	}
@@ -4130,18 +4287,27 @@ no_top:
  * We release `count' blocks on disk, but (last - first) may be greater
  * than `count' because there can be holes in there.
  */
-static void ext4_clear_blocks(handle_t *handle, struct inode *inode,
-			      struct buffer_head *bh,
-			      ext4_fsblk_t block_to_free,
-			      unsigned long count, __le32 *first,
-			      __le32 *last)
+static int ext4_clear_blocks(handle_t *handle, struct inode *inode,
+			     struct buffer_head *bh,
+			     ext4_fsblk_t block_to_free,
+			     unsigned long count, __le32 *first,
+			     __le32 *last)
 {
 	__le32 *p;
-	int	flags = EXT4_FREE_BLOCKS_FORGET;
+	int	flags = EXT4_FREE_BLOCKS_FORGET | EXT4_FREE_BLOCKS_VALIDATED;
 
 	if (S_ISDIR(inode->i_mode) || S_ISLNK(inode->i_mode))
 		flags |= EXT4_FREE_BLOCKS_METADATA;
 
+	if (!ext4_data_block_valid(EXT4_SB(inode->i_sb), block_to_free,
+				   count)) {
+		ext4_error(inode->i_sb, "inode #%lu: "
+			   "attempt to clear blocks %llu len %lu, invalid",
+			   inode->i_ino, (unsigned long long) block_to_free,
+			   count);
+		return 1;
+	}
+
 	if (try_to_extend_transaction(handle, inode)) {
 		if (bh) {
 			BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
@@ -4160,6 +4326,7 @@ static void ext4_clear_blocks(handle_t *handle, struct inode *inode,
 		*p = 0;
 
 	ext4_free_blocks(handle, inode, 0, block_to_free, count, flags);
+	return 0;
 }
 
 /**
@@ -4215,9 +4382,10 @@ static void ext4_free_data(handle_t *handle, struct inode *inode,
 			} else if (nr == block_to_free + count) {
 				count++;
 			} else {
-				ext4_clear_blocks(handle, inode, this_bh,
-						  block_to_free,
-						  count, block_to_free_p, p);
+				if (ext4_clear_blocks(handle, inode, this_bh,
+						      block_to_free, count,
+						      block_to_free_p, p))
+					break;
 				block_to_free = nr;
 				block_to_free_p = p;
 				count = 1;
@@ -4241,7 +4409,7 @@ static void ext4_free_data(handle_t *handle, struct inode *inode,
 		if ((EXT4_JOURNAL(inode) == NULL) || bh2jh(this_bh))
 			ext4_handle_dirty_metadata(handle, inode, this_bh);
 		else
-			ext4_error(inode->i_sb, __func__,
+			ext4_error(inode->i_sb,
 				   "circular indirect block detected, "
 				   "inode=%lu, block=%llu",
 				   inode->i_ino,
@@ -4281,6 +4449,16 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode,
 			if (!nr)
 				continue;		/* A hole */
 
+			if (!ext4_data_block_valid(EXT4_SB(inode->i_sb),
+						   nr, 1)) {
+				ext4_error(inode->i_sb,
+					   "indirect mapped block in inode "
+					   "#%lu invalid (level %d, blk #%lu)",
+					   inode->i_ino, depth,
+					   (unsigned long) nr);
+				break;
+			}
+
 			/* Go read the buffer for the next level down */
 			bh = sb_bread(inode->i_sb, nr);
 
@@ -4289,7 +4467,7 @@ static void ext4_free_branches(handle_t *handle, struct inode *inode,
 			 * (should be rare).
 			 */
 			if (!bh) {
-				ext4_error(inode->i_sb, "ext4_free_branches",
+				ext4_error(inode->i_sb,
 					   "Read failure, inode=%lu, block=%llu",
 					   inode->i_ino, nr);
 				continue;
@@ -4433,8 +4611,10 @@ void ext4_truncate(struct inode *inode)
 	if (!ext4_can_truncate(inode))
 		return;
 
+	EXT4_I(inode)->i_flags &= ~EXT4_EOFBLOCKS_FL;
+
 	if (inode->i_size == 0 && !test_opt(inode->i_sb, NO_AUTO_DA_ALLOC))
-		ei->i_state |= EXT4_STATE_DA_ALLOC_CLOSE;
+		ext4_set_inode_state(inode, EXT4_STATE_DA_ALLOC_CLOSE);
 
 	if (EXT4_I(inode)->i_flags & EXT4_EXTENTS_FL) {
 		ext4_ext_truncate(inode);
@@ -4604,9 +4784,8 @@ static int __ext4_get_inode_loc(struct inode *inode,
 
 	bh = sb_getblk(sb, block);
 	if (!bh) {
-		ext4_error(sb, "ext4_get_inode_loc", "unable to read "
-			   "inode block - inode=%lu, block=%llu",
-			   inode->i_ino, block);
+		ext4_error(sb, "unable to read inode block - "
+			   "inode=%lu, block=%llu", inode->i_ino, block);
 		return -EIO;
 	}
 	if (!buffer_uptodate(bh)) {
@@ -4704,9 +4883,8 @@ make_io:
 		submit_bh(READ_META, bh);
 		wait_on_buffer(bh);
 		if (!buffer_uptodate(bh)) {
-			ext4_error(sb, __func__,
-				   "unable to read inode block - inode=%lu, "
-				   "block=%llu", inode->i_ino, block);
+			ext4_error(sb, "unable to read inode block - inode=%lu,"
+				   " block=%llu", inode->i_ino, block);
 			brelse(bh);
 			return -EIO;
 		}
@@ -4720,7 +4898,7 @@ int ext4_get_inode_loc(struct inode *inode, struct ext4_iloc *iloc)
 {
 	/* We have all inode data except xattrs in memory here. */
 	return __ext4_get_inode_loc(inode, iloc,
-		!(EXT4_I(inode)->i_state & EXT4_STATE_XATTR));
+		!ext4_test_inode_state(inode, EXT4_STATE_XATTR));
 }
 
 void ext4_set_inode_flags(struct inode *inode)
@@ -4814,7 +4992,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
 	}
 	inode->i_nlink = le16_to_cpu(raw_inode->i_links_count);
 
-	ei->i_state = 0;
+	ei->i_state_flags = 0;
 	ei->i_dir_start_lookup = 0;
 	ei->i_dtime = le32_to_cpu(raw_inode->i_dtime);
 	/* We now have enough fields to check if the inode was active or not.
@@ -4897,7 +5075,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
 					EXT4_GOOD_OLD_INODE_SIZE +
 					ei->i_extra_isize;
 			if (*magic == cpu_to_le32(EXT4_XATTR_MAGIC))
-				ei->i_state |= EXT4_STATE_XATTR;
+				ext4_set_inode_state(inode, EXT4_STATE_XATTR);
 		}
 	} else
 		ei->i_extra_isize = 0;
@@ -4917,8 +5095,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
 	ret = 0;
 	if (ei->i_file_acl &&
 	    !ext4_data_block_valid(EXT4_SB(sb), ei->i_file_acl, 1)) {
-		ext4_error(sb, __func__,
-			   "bad extended attribute block %llu in inode #%lu",
+		ext4_error(sb, "bad extended attribute block %llu inode #%lu",
 			   ei->i_file_acl, inode->i_ino);
 		ret = -EIO;
 		goto bad_inode;
@@ -4964,8 +5141,7 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
 			   new_decode_dev(le32_to_cpu(raw_inode->i_block[1])));
 	} else {
 		ret = -EIO;
-		ext4_error(inode->i_sb, __func__,
-			   "bogus i_mode (%o) for inode=%lu",
+		ext4_error(inode->i_sb, "bogus i_mode (%o) for inode=%lu",
 			   inode->i_mode, inode->i_ino);
 		goto bad_inode;
 	}
@@ -5037,7 +5213,7 @@ static int ext4_do_update_inode(handle_t *handle,
 
 	/* For fields not not tracking in the in-memory inode,
 	 * initialise them to zero for new inodes. */
-	if (ei->i_state & EXT4_STATE_NEW)
+	if (ext4_test_inode_state(inode, EXT4_STATE_NEW))
 		memset(raw_inode, 0, EXT4_SB(inode->i_sb)->s_inode_size);
 
 	ext4_get_inode_flags(ei);
@@ -5101,7 +5277,7 @@ static int ext4_do_update_inode(handle_t *handle,
 					EXT4_FEATURE_RO_COMPAT_LARGE_FILE);
 			sb->s_dirt = 1;
 			ext4_handle_sync(handle);
-			err = ext4_handle_dirty_metadata(handle, inode,
+			err = ext4_handle_dirty_metadata(handle, NULL,
 					EXT4_SB(sb)->s_sbh);
 		}
 	}
@@ -5130,10 +5306,10 @@ static int ext4_do_update_inode(handle_t *handle,
 	}
 
 	BUFFER_TRACE(bh, "call ext4_handle_dirty_metadata");
-	rc = ext4_handle_dirty_metadata(handle, inode, bh);
+	rc = ext4_handle_dirty_metadata(handle, NULL, bh);
 	if (!err)
 		err = rc;
-	ei->i_state &= ~EXT4_STATE_NEW;
+	ext4_clear_inode_state(inode, EXT4_STATE_NEW);
 
 	ext4_update_inode_fsync_trans(handle, inode, 0);
 out_brelse:
@@ -5177,7 +5353,7 @@ out_brelse:
  * `stuff()' is running, and the new i_size will be lost.  Plus the inode
  * will no longer be on the superblock's dirty inode list.
  */
-int ext4_write_inode(struct inode *inode, int wait)
+int ext4_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	int err;
 
@@ -5191,7 +5367,7 @@ int ext4_write_inode(struct inode *inode, int wait)
 			return -EIO;
 		}
 
-		if (!wait)
+		if (wbc->sync_mode != WB_SYNC_ALL)
 			return 0;
 
 		err = ext4_force_commit(inode->i_sb);
@@ -5201,13 +5377,11 @@ int ext4_write_inode(struct inode *inode, int wait)
 		err = ext4_get_inode_loc(inode, &iloc);
 		if (err)
 			return err;
-		if (wait)
+		if (wbc->sync_mode == WB_SYNC_ALL)
 			sync_dirty_buffer(iloc.bh);
 		if (buffer_req(iloc.bh) && !buffer_uptodate(iloc.bh)) {
-			ext4_error(inode->i_sb, __func__,
-				   "IO error syncing inode, "
-				   "inode=%lu, block=%llu",
-				   inode->i_ino,
+			ext4_error(inode->i_sb, "IO error syncing inode, "
+				   "inode=%lu, block=%llu", inode->i_ino,
 				   (unsigned long long)iloc.bh->b_blocknr);
 			err = -EIO;
 		}
@@ -5249,6 +5423,8 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
 	if (error)
 		return error;
 
+	if (ia_valid & ATTR_SIZE)
+		dquot_initialize(inode);
 	if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
 		(ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
 		handle_t *handle;
@@ -5261,7 +5437,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
 			error = PTR_ERR(handle);
 			goto err_out;
 		}
-		error = vfs_dq_transfer(inode, attr) ? -EDQUOT : 0;
+		error = dquot_transfer(inode, attr);
 		if (error) {
 			ext4_journal_stop(handle);
 			return error;
@@ -5288,7 +5464,9 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
 	}
 
 	if (S_ISREG(inode->i_mode) &&
-	    attr->ia_valid & ATTR_SIZE && attr->ia_size < inode->i_size) {
+	    attr->ia_valid & ATTR_SIZE &&
+	    (attr->ia_size < inode->i_size ||
+	     (EXT4_I(inode)->i_flags & EXT4_EOFBLOCKS_FL))) {
 		handle_t *handle;
 
 		handle = ext4_journal_start(inode, 3);
@@ -5319,6 +5497,9 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr)
 				goto err_out;
 			}
 		}
+		/* ext4_truncate will clear the flag */
+		if ((EXT4_I(inode)->i_flags & EXT4_EOFBLOCKS_FL))
+			ext4_truncate(inode);
 	}
 
 	rc = inode_setattr(inode, attr);
@@ -5557,8 +5738,8 @@ static int ext4_expand_extra_isize(struct inode *inode,
 	entry = IFIRST(header);
 
 	/* No extended attributes present */
-	if (!(EXT4_I(inode)->i_state & EXT4_STATE_XATTR) ||
-		header->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC)) {
+	if (!ext4_test_inode_state(inode, EXT4_STATE_XATTR) ||
+	    header->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC)) {
 		memset((void *)raw_inode + EXT4_GOOD_OLD_INODE_SIZE, 0,
 			new_extra_isize);
 		EXT4_I(inode)->i_extra_isize = new_extra_isize;
@@ -5602,7 +5783,7 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode)
 	err = ext4_reserve_inode_write(handle, inode, &iloc);
 	if (ext4_handle_valid(handle) &&
 	    EXT4_I(inode)->i_extra_isize < sbi->s_want_extra_isize &&
-	    !(EXT4_I(inode)->i_state & EXT4_STATE_NO_EXPAND)) {
+	    !ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND)) {
 		/*
 		 * We need extra buffer credits since we may write into EA block
 		 * with this same handle. If journal_extend fails, then it will
@@ -5616,10 +5797,11 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode)
 						      sbi->s_want_extra_isize,
 						      iloc, handle);
 			if (ret) {
-				EXT4_I(inode)->i_state |= EXT4_STATE_NO_EXPAND;
+				ext4_set_inode_state(inode,
+						     EXT4_STATE_NO_EXPAND);
 				if (mnt_count !=
 					le16_to_cpu(sbi->s_es->s_mnt_count)) {
-					ext4_warning(inode->i_sb, __func__,
+					ext4_warning(inode->i_sb,
 					"Unable to expand inode %lu. Delete"
 					" some EAs or run e2fsck.",
 					inode->i_ino);
@@ -5641,7 +5823,7 @@ int ext4_mark_inode_dirty(handle_t *handle, struct inode *inode)
  * i_size has been changed by generic_commit_write() and we thus need
  * to include the updated inode in the current transaction.
  *
- * Also, vfs_dq_alloc_block() will always dirty the inode when blocks
+ * Also, dquot_alloc_block() will always dirty the inode when blocks
  * are allocated to the file.
  *
  * If the inode is marked synchronous, we don't honour that here - doing
@@ -5683,7 +5865,7 @@ static int ext4_pin_inode(handle_t *handle, struct inode *inode)
 			err = jbd2_journal_get_write_access(handle, iloc.bh);
 			if (!err)
 				err = ext4_handle_dirty_metadata(handle,
-								 inode,
+								 NULL,
 								 iloc.bh);
 			brelse(iloc.bh);
 		}
diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
index b63d193126db..016d0249294f 100644
--- a/fs/ext4/ioctl.c
+++ b/fs/ext4/ioctl.c
@@ -92,6 +92,15 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 			flags &= ~EXT4_EXTENTS_FL;
 		}
 
+		if (flags & EXT4_EOFBLOCKS_FL) {
+			/* we don't support adding EOFBLOCKS flag */
+			if (!(oldflags & EXT4_EOFBLOCKS_FL)) {
+				err = -EOPNOTSUPP;
+				goto flags_out;
+			}
+		} else if (oldflags & EXT4_EOFBLOCKS_FL)
+			ext4_truncate(inode);
+
 		handle = ext4_journal_start(inode, 1);
 		if (IS_ERR(handle)) {
 			err = PTR_ERR(handle);
@@ -249,7 +258,8 @@ setversion_out:
 		if (me.moved_len > 0)
 			file_remove_suid(donor_filp);
 
-		if (copy_to_user((struct move_extent *)arg, &me, sizeof(me)))
+		if (copy_to_user((struct move_extent __user *)arg, 
+				 &me, sizeof(me)))
 			err = -EFAULT;
 mext_out:
 		fput(donor_filp);
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index d34afad3e137..54df209d2eed 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -69,7 +69,7 @@
  *
  * pa_lstart -> the logical start block for this prealloc space
  * pa_pstart -> the physical start block for this prealloc space
- * pa_len    -> lenght for this prealloc space
+ * pa_len    -> length for this prealloc space
  * pa_free   ->  free space available in this prealloc space
  *
  * The inode preallocation space is used looking at the _logical_ start
@@ -441,10 +441,9 @@ static void mb_free_blocks_double(struct inode *inode, struct ext4_buddy *e4b,
 	for (i = 0; i < count; i++) {
 		if (!mb_test_bit(first + i, e4b->bd_info->bb_bitmap)) {
 			ext4_fsblk_t blocknr;
-			blocknr = e4b->bd_group * EXT4_BLOCKS_PER_GROUP(sb);
+
+			blocknr = ext4_group_first_block_no(sb, e4b->bd_group);
 			blocknr += first + i;
-			blocknr +=
-			    le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block);
 			ext4_grp_locked_error(sb, e4b->bd_group,
 				   __func__, "double-free of inode"
 				   " %lu's block %llu(bit %u in group %u)",
@@ -1255,10 +1254,9 @@ static void mb_free_blocks(struct inode *inode, struct ext4_buddy *e4b,
 
 		if (!mb_test_bit(block, EXT4_MB_BITMAP(e4b))) {
 			ext4_fsblk_t blocknr;
-			blocknr = e4b->bd_group * EXT4_BLOCKS_PER_GROUP(sb);
+
+			blocknr = ext4_group_first_block_no(sb, e4b->bd_group);
 			blocknr += block;
-			blocknr +=
-			    le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block);
 			ext4_grp_locked_error(sb, e4b->bd_group,
 				   __func__, "double-free of inode"
 				   " %lu's block %llu(bit %u in group %u)",
@@ -1631,7 +1629,6 @@ int ext4_mb_find_by_goal(struct ext4_allocation_context *ac,
 	int max;
 	int err;
 	struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb);
-	struct ext4_super_block *es = sbi->s_es;
 	struct ext4_free_extent ex;
 
 	if (!(ac->ac_flags & EXT4_MB_HINT_TRY_GOAL))
@@ -1648,8 +1645,8 @@ int ext4_mb_find_by_goal(struct ext4_allocation_context *ac,
 	if (max >= ac->ac_g_ex.fe_len && ac->ac_g_ex.fe_len == sbi->s_stripe) {
 		ext4_fsblk_t start;
 
-		start = (e4b->bd_group * EXT4_BLOCKS_PER_GROUP(ac->ac_sb)) +
-			ex.fe_start + le32_to_cpu(es->s_first_data_block);
+		start = ext4_group_first_block_no(ac->ac_sb, e4b->bd_group) +
+			ex.fe_start;
 		/* use do_div to get remainder (would be 64-bit modulo) */
 		if (do_div(start, sbi->s_stripe) == 0) {
 			ac->ac_found++;
@@ -1803,8 +1800,8 @@ void ext4_mb_scan_aligned(struct ext4_allocation_context *ac,
 	BUG_ON(sbi->s_stripe == 0);
 
 	/* find first stripe-aligned block in group */
-	first_group_block = e4b->bd_group * EXT4_BLOCKS_PER_GROUP(sb)
-		+ le32_to_cpu(sbi->s_es->s_first_data_block);
+	first_group_block = ext4_group_first_block_no(sb, e4b->bd_group);
+
 	a = first_group_block + sbi->s_stripe - 1;
 	do_div(a, sbi->s_stripe);
 	i = (a * sbi->s_stripe) - first_group_block;
@@ -2256,7 +2253,7 @@ int ext4_mb_add_groupinfo(struct super_block *sb, ext4_group_t group,
 
 	INIT_LIST_HEAD(&meta_group_info[i]->bb_prealloc_list);
 	init_rwsem(&meta_group_info[i]->alloc_sem);
-	meta_group_info[i]->bb_free_root.rb_node = NULL;
+	meta_group_info[i]->bb_free_root = RB_ROOT;
 
 #ifdef DOUBLE_CHECK
 	{
@@ -2560,12 +2557,9 @@ static void release_blocks_on_commit(journal_t *journal, transaction_t *txn)
 		ext4_unlock_group(sb, entry->group);
 		if (test_opt(sb, DISCARD)) {
 			ext4_fsblk_t discard_block;
-			struct ext4_super_block *es = EXT4_SB(sb)->s_es;
 
-			discard_block = (ext4_fsblk_t)entry->group *
-						EXT4_BLOCKS_PER_GROUP(sb)
-					+ entry->start_blk
-					+ le32_to_cpu(es->s_first_data_block);
+			discard_block = entry->start_blk +
+				ext4_group_first_block_no(sb, entry->group);
 			trace_ext4_discard_blocks(sb,
 					(unsigned long long)discard_block,
 					entry->count);
@@ -2703,14 +2697,11 @@ ext4_mb_mark_diskspace_used(struct ext4_allocation_context *ac,
 	if (err)
 		goto out_err;
 
-	block = ac->ac_b_ex.fe_group * EXT4_BLOCKS_PER_GROUP(sb)
-		+ ac->ac_b_ex.fe_start
-		+ le32_to_cpu(es->s_first_data_block);
+	block = ext4_grp_offs_to_block(sb, &ac->ac_b_ex);
 
 	len = ac->ac_b_ex.fe_len;
 	if (!ext4_data_block_valid(sbi, block, len)) {
-		ext4_error(sb, __func__,
-			   "Allocating blocks %llu-%llu which overlap "
+		ext4_error(sb, "Allocating blocks %llu-%llu which overlap "
 			   "fs metadata\n", block, block+len);
 		/* File system mounted not to panic on error
 		 * Fix the bitmap and repeat the block allocation
@@ -3161,9 +3152,7 @@ ext4_mb_use_preallocated(struct ext4_allocation_context *ac)
 		/* The max size of hash table is PREALLOC_TB_SIZE */
 		order = PREALLOC_TB_SIZE - 1;
 
-	goal_block = ac->ac_g_ex.fe_group * EXT4_BLOCKS_PER_GROUP(ac->ac_sb) +
-		     ac->ac_g_ex.fe_start +
-		     le32_to_cpu(EXT4_SB(ac->ac_sb)->s_es->s_first_data_block);
+	goal_block = ext4_grp_offs_to_block(ac->ac_sb, &ac->ac_g_ex);
 	/*
 	 * search for the prealloc space that is having
 	 * minimal distance from the goal block.
@@ -3526,8 +3515,7 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh,
 		if (bit >= end)
 			break;
 		next = mb_find_next_bit(bitmap_bh->b_data, end, bit);
-		start = group * EXT4_BLOCKS_PER_GROUP(sb) + bit +
-				le32_to_cpu(sbi->s_es->s_first_data_block);
+		start = ext4_group_first_block_no(sb, group) + bit;
 		mb_debug(1, "    free preallocated %u/%u in group %u\n",
 				(unsigned) start, (unsigned) next - bit,
 				(unsigned) group);
@@ -3623,15 +3611,13 @@ ext4_mb_discard_group_preallocations(struct super_block *sb,
 
 	bitmap_bh = ext4_read_block_bitmap(sb, group);
 	if (bitmap_bh == NULL) {
-		ext4_error(sb, __func__, "Error in reading block "
-				"bitmap for %u", group);
+		ext4_error(sb, "Error reading block bitmap for %u", group);
 		return 0;
 	}
 
 	err = ext4_mb_load_buddy(sb, group, &e4b);
 	if (err) {
-		ext4_error(sb, __func__, "Error in loading buddy "
-				"information for %u", group);
+		ext4_error(sb, "Error loading buddy information for %u", group);
 		put_bh(bitmap_bh);
 		return 0;
 	}
@@ -3804,15 +3790,15 @@ repeat:
 
 		err = ext4_mb_load_buddy(sb, group, &e4b);
 		if (err) {
-			ext4_error(sb, __func__, "Error in loading buddy "
-					"information for %u", group);
+			ext4_error(sb, "Error loading buddy information for %u",
+					group);
 			continue;
 		}
 
 		bitmap_bh = ext4_read_block_bitmap(sb, group);
 		if (bitmap_bh == NULL) {
-			ext4_error(sb, __func__, "Error in reading block "
-					"bitmap for %u", group);
+			ext4_error(sb, "Error reading block bitmap for %u",
+					group);
 			ext4_mb_release_desc(&e4b);
 			continue;
 		}
@@ -3938,7 +3924,7 @@ static void ext4_mb_group_or_file(struct ext4_allocation_context *ac)
 
 	/* don't use group allocation for large files */
 	size = max(size, isize);
-	if (size >= sbi->s_mb_stream_request) {
+	if (size > sbi->s_mb_stream_request) {
 		ac->ac_flags |= EXT4_MB_STREAM_ALLOC;
 		return;
 	}
@@ -4077,8 +4063,8 @@ ext4_mb_discard_lg_preallocations(struct super_block *sb,
 
 		ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, NULL);
 		if (ext4_mb_load_buddy(sb, group, &e4b)) {
-			ext4_error(sb, __func__, "Error in loading buddy "
-					"information for %u", group);
+			ext4_error(sb, "Error loading buddy information for %u",
+					group);
 			continue;
 		}
 		ext4_lock_group(sb, group);
@@ -4254,7 +4240,7 @@ ext4_fsblk_t ext4_mb_new_blocks(handle_t *handle,
 			return 0;
 		}
 		reserv_blks = ar->len;
-		while (ar->len && vfs_dq_alloc_block(ar->inode, ar->len)) {
+		while (ar->len && dquot_alloc_block(ar->inode, ar->len)) {
 			ar->flags |= EXT4_MB_HINT_NOPREALLOC;
 			ar->len--;
 		}
@@ -4331,7 +4317,7 @@ out2:
 	kmem_cache_free(ext4_ac_cachep, ac);
 out1:
 	if (inquota && ar->len < inquota)
-		vfs_dq_free_block(ar->inode, inquota - ar->len);
+		dquot_free_block(ar->inode, inquota - ar->len);
 out3:
 	if (!ar->len) {
 		if (!EXT4_I(ar->inode)->i_delalloc_reserved_flag)
@@ -4476,10 +4462,10 @@ void ext4_free_blocks(handle_t *handle, struct inode *inode,
 
 	sbi = EXT4_SB(sb);
 	es = EXT4_SB(sb)->s_es;
-	if (!ext4_data_block_valid(sbi, block, count)) {
-		ext4_error(sb, __func__,
-			    "Freeing blocks not in datazone - "
-			    "block = %llu, count = %lu", block, count);
+	if (!(flags & EXT4_FREE_BLOCKS_VALIDATED) &&
+	    !ext4_data_block_valid(sbi, block, count)) {
+		ext4_error(sb, "Freeing blocks not in datazone - "
+			   "block = %llu, count = %lu", block, count);
 		goto error_return;
 	}
 
@@ -4547,8 +4533,7 @@ do_more:
 	    in_range(block + count - 1, ext4_inode_table(sb, gdp),
 		      EXT4_SB(sb)->s_itb_per_group)) {
 
-		ext4_error(sb, __func__,
-			   "Freeing blocks in system zone - "
+		ext4_error(sb, "Freeing blocks in system zone - "
 			   "Block = %llu, count = %lu", block, count);
 		/* err = 0. ext4_std_error should be a no op */
 		goto error_return;
@@ -4646,7 +4631,7 @@ do_more:
 	sb->s_dirt = 1;
 error_return:
 	if (freed)
-		vfs_dq_free_block(inode, freed);
+		dquot_free_block(inode, freed);
 	brelse(bitmap_bh);
 	ext4_std_error(sb, err);
 	if (ac)
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index 436521cae456..b619322c76f0 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -220,16 +220,9 @@ struct ext4_buddy {
 #define EXT4_MB_BITMAP(e4b)	((e4b)->bd_bitmap)
 #define EXT4_MB_BUDDY(e4b)	((e4b)->bd_buddy)
 
-#define in_range(b, first, len)	((b) >= (first) && (b) <= (first) + (len) - 1)
-
 static inline ext4_fsblk_t ext4_grp_offs_to_block(struct super_block *sb,
 					struct ext4_free_extent *fex)
 {
-	ext4_fsblk_t block;
-
-	block = (ext4_fsblk_t) fex->fe_group * EXT4_BLOCKS_PER_GROUP(sb)
-			+ fex->fe_start
-			+ le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block);
-	return block;
+	return ext4_group_first_block_no(sb, fex->fe_group) + fex->fe_start;
 }
 #endif
diff --git a/fs/ext4/migrate.c b/fs/ext4/migrate.c
index 81415814b00b..8b87bd0eac95 100644
--- a/fs/ext4/migrate.c
+++ b/fs/ext4/migrate.c
@@ -365,12 +365,12 @@ static int ext4_ext_swap_inode_data(handle_t *handle, struct inode *inode,
 	 * happened after we started the migrate. We need to
 	 * fail the migrate
 	 */
-	if (!(EXT4_I(inode)->i_state & EXT4_STATE_EXT_MIGRATE)) {
+	if (!ext4_test_inode_state(inode, EXT4_STATE_EXT_MIGRATE)) {
 		retval = -EAGAIN;
 		up_write(&EXT4_I(inode)->i_data_sem);
 		goto err_out;
 	} else
-		EXT4_I(inode)->i_state &= ~EXT4_STATE_EXT_MIGRATE;
+		ext4_clear_inode_state(inode, EXT4_STATE_EXT_MIGRATE);
 	/*
 	 * We have the extent map build with the tmp inode.
 	 * Now copy the i_data across
@@ -503,14 +503,10 @@ int ext4_ext_migrate(struct inode *inode)
 	}
 	i_size_write(tmp_inode, i_size_read(inode));
 	/*
-	 * We don't want the inode to be reclaimed
-	 * if we got interrupted in between. We have
-	 * this tmp inode carrying reference to the
-	 * data blocks of the original file. We set
-	 * the i_nlink to zero at the last stage after
-	 * switching the original file to extent format
+	 * Set the i_nlink to zero so it will be deleted later
+	 * when we drop inode reference.
 	 */
-	tmp_inode->i_nlink = 1;
+	tmp_inode->i_nlink = 0;
 
 	ext4_ext_tree_init(handle, tmp_inode);
 	ext4_orphan_add(handle, tmp_inode);
@@ -533,10 +529,20 @@ int ext4_ext_migrate(struct inode *inode)
 	 * allocation.
 	 */
 	down_read((&EXT4_I(inode)->i_data_sem));
-	EXT4_I(inode)->i_state |= EXT4_STATE_EXT_MIGRATE;
+	ext4_set_inode_state(inode, EXT4_STATE_EXT_MIGRATE);
 	up_read((&EXT4_I(inode)->i_data_sem));
 
 	handle = ext4_journal_start(inode, 1);
+	if (IS_ERR(handle)) {
+		/*
+		 * It is impossible to update on-disk structures without
+		 * a handle, so just rollback in-core changes and live other
+		 * work to orphan_list_cleanup()
+		 */
+		ext4_orphan_del(NULL, tmp_inode);
+		retval = PTR_ERR(handle);
+		goto out;
+	}
 
 	ei = EXT4_I(inode);
 	i_data = ei->i_data;
@@ -618,15 +624,8 @@ err_out:
 
 	/* Reset the extent details */
 	ext4_ext_tree_init(handle, tmp_inode);
-
-	/*
-	 * Set the i_nlink to zero so that
-	 * generic_drop_inode really deletes the
-	 * inode
-	 */
-	tmp_inode->i_nlink = 0;
-
 	ext4_journal_stop(handle);
+out:
 	unlock_new_inode(tmp_inode);
 	iput(tmp_inode);
 
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c
index 82c415be87a4..aa5fe28d180f 100644
--- a/fs/ext4/move_extent.c
+++ b/fs/ext4/move_extent.c
@@ -152,12 +152,12 @@ mext_check_null_inode(struct inode *inode1, struct inode *inode2,
 	int ret = 0;
 
 	if (inode1 == NULL) {
-		ext4_error(inode2->i_sb, function,
+		__ext4_error(inode2->i_sb, function,
 			"Both inodes should not be NULL: "
 			"inode1 NULL inode2 %lu", inode2->i_ino);
 		ret = -EIO;
 	} else if (inode2 == NULL) {
-		ext4_error(inode1->i_sb, function,
+		__ext4_error(inode1->i_sb, function,
 			"Both inodes should not be NULL: "
 			"inode1 %lu inode2 NULL", inode1->i_ino);
 		ret = -EIO;
@@ -252,6 +252,7 @@ mext_insert_across_blocks(handle_t *handle, struct inode *orig_inode,
 		}
 
 		o_start->ee_len = start_ext->ee_len;
+		eblock = le32_to_cpu(start_ext->ee_block);
 		new_flag = 1;
 
 	} else if (start_ext->ee_len && new_ext->ee_len &&
@@ -262,6 +263,7 @@ mext_insert_across_blocks(handle_t *handle, struct inode *orig_inode,
 		 * orig  |------------------------------|
 		 */
 		o_start->ee_len = start_ext->ee_len;
+		eblock = le32_to_cpu(start_ext->ee_block);
 		new_flag = 1;
 
 	} else if (!start_ext->ee_len && new_ext->ee_len &&
@@ -475,7 +477,6 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
 	struct ext4_extent *oext, *o_start, *o_end, *prev_ext;
 	struct ext4_extent new_ext, start_ext, end_ext;
 	ext4_lblk_t new_ext_end;
-	ext4_fsblk_t new_phys_end;
 	int oext_alen, new_ext_alen, end_ext_alen;
 	int depth = ext_depth(orig_inode);
 	int ret;
@@ -489,7 +490,6 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
 	new_ext.ee_len = dext->ee_len;
 	new_ext_alen = ext4_ext_get_actual_len(&new_ext);
 	new_ext_end = le32_to_cpu(new_ext.ee_block) + new_ext_alen - 1;
-	new_phys_end = ext_pblock(&new_ext) + new_ext_alen - 1;
 
 	/*
 	 * Case: original extent is first
@@ -502,6 +502,7 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
 		le32_to_cpu(oext->ee_block) + oext_alen) {
 		start_ext.ee_len = cpu_to_le16(le32_to_cpu(new_ext.ee_block) -
 					       le32_to_cpu(oext->ee_block));
+		start_ext.ee_block = oext->ee_block;
 		copy_extent_status(oext, &start_ext);
 	} else if (oext > EXT_FIRST_EXTENT(orig_path[depth].p_hdr)) {
 		prev_ext = oext - 1;
@@ -515,6 +516,7 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
 			start_ext.ee_len = cpu_to_le16(
 				ext4_ext_get_actual_len(prev_ext) +
 				new_ext_alen);
+			start_ext.ee_block = oext->ee_block;
 			copy_extent_status(prev_ext, &start_ext);
 			new_ext.ee_len = 0;
 		}
@@ -526,7 +528,7 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode,
 	 * new_ext       |-------|
 	 */
 	if (le32_to_cpu(oext->ee_block) + oext_alen - 1 < new_ext_end) {
-		ext4_error(orig_inode->i_sb, __func__,
+		ext4_error(orig_inode->i_sb,
 			"new_ext_end(%u) should be less than or equal to "
 			"oext->ee_block(%u) + oext_alen(%d) - 1",
 			new_ext_end, le32_to_cpu(oext->ee_block),
@@ -689,12 +691,12 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode,
 	while (1) {
 		/* The extent for donor must be found. */
 		if (!dext) {
-			ext4_error(donor_inode->i_sb, __func__,
+			ext4_error(donor_inode->i_sb,
 				   "The extent for donor must be found");
 			*err = -EIO;
 			goto out;
 		} else if (donor_off != le32_to_cpu(tmp_dext.ee_block)) {
-			ext4_error(donor_inode->i_sb, __func__,
+			ext4_error(donor_inode->i_sb,
 				"Donor offset(%u) and the first block of donor "
 				"extent(%u) should be equal",
 				donor_off,
@@ -928,7 +930,7 @@ out2:
 }
 
 /**
- * mext_check_argumants - Check whether move extent can be done
+ * mext_check_arguments - Check whether move extent can be done
  *
  * @orig_inode:		original inode
  * @donor_inode:	donor inode
@@ -949,14 +951,6 @@ mext_check_arguments(struct inode *orig_inode,
 	unsigned int blkbits = orig_inode->i_blkbits;
 	unsigned int blocksize = 1 << blkbits;
 
-	/* Regular file check */
-	if (!S_ISREG(orig_inode->i_mode) || !S_ISREG(donor_inode->i_mode)) {
-		ext4_debug("ext4 move extent: The argument files should be "
-			"regular file [ino:orig %lu, donor %lu]\n",
-			orig_inode->i_ino, donor_inode->i_ino);
-		return -EINVAL;
-	}
-
 	if (donor_inode->i_mode & (S_ISUID|S_ISGID)) {
 		ext4_debug("ext4 move extent: suid or sgid is set"
 			   " to donor file [ino:orig %lu, donor %lu]\n",
@@ -1204,6 +1198,14 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
 		return -EINVAL;
 	}
 
+	/* Regular file check */
+	if (!S_ISREG(orig_inode->i_mode) || !S_ISREG(donor_inode->i_mode)) {
+		ext4_debug("ext4 move extent: The argument files should be "
+			"regular file [ino:orig %lu, donor %lu]\n",
+			orig_inode->i_ino, donor_inode->i_ino);
+		return -EINVAL;
+	}
+
 	/* Protect orig and donor inodes against a truncate */
 	ret1 = mext_inode_double_lock(orig_inode, donor_inode);
 	if (ret1 < 0)
@@ -1351,7 +1353,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp,
 			if (ret1 < 0)
 				break;
 			if (*moved_len > len) {
-				ext4_error(orig_inode->i_sb, __func__,
+				ext4_error(orig_inode->i_sb,
 					"We replaced blocks too much! "
 					"sum of replaced: %llu requested: %llu",
 					*moved_len, len);
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 17a17e10dd60..0c070fabd108 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -383,8 +383,7 @@ dx_probe(const struct qstr *d_name, struct inode *dir,
 	if (root->info.hash_version != DX_HASH_TEA &&
 	    root->info.hash_version != DX_HASH_HALF_MD4 &&
 	    root->info.hash_version != DX_HASH_LEGACY) {
-		ext4_warning(dir->i_sb, __func__,
-			     "Unrecognised inode hash code %d",
+		ext4_warning(dir->i_sb, "Unrecognised inode hash code %d",
 			     root->info.hash_version);
 		brelse(bh);
 		*err = ERR_BAD_DX_DIR;
@@ -399,8 +398,7 @@ dx_probe(const struct qstr *d_name, struct inode *dir,
 	hash = hinfo->hash;
 
 	if (root->info.unused_flags & 1) {
-		ext4_warning(dir->i_sb, __func__,
-			     "Unimplemented inode hash flags: %#06x",
+		ext4_warning(dir->i_sb, "Unimplemented inode hash flags: %#06x",
 			     root->info.unused_flags);
 		brelse(bh);
 		*err = ERR_BAD_DX_DIR;
@@ -408,8 +406,7 @@ dx_probe(const struct qstr *d_name, struct inode *dir,
 	}
 
 	if ((indirect = root->info.indirect_levels) > 1) {
-		ext4_warning(dir->i_sb, __func__,
-			     "Unimplemented inode hash depth: %#06x",
+		ext4_warning(dir->i_sb, "Unimplemented inode hash depth: %#06x",
 			     root->info.indirect_levels);
 		brelse(bh);
 		*err = ERR_BAD_DX_DIR;
@@ -421,8 +418,7 @@ dx_probe(const struct qstr *d_name, struct inode *dir,
 
 	if (dx_get_limit(entries) != dx_root_limit(dir,
 						   root->info.info_length)) {
-		ext4_warning(dir->i_sb, __func__,
-			     "dx entry: limit != root limit");
+		ext4_warning(dir->i_sb, "dx entry: limit != root limit");
 		brelse(bh);
 		*err = ERR_BAD_DX_DIR;
 		goto fail;
@@ -433,7 +429,7 @@ dx_probe(const struct qstr *d_name, struct inode *dir,
 	{
 		count = dx_get_count(entries);
 		if (!count || count > dx_get_limit(entries)) {
-			ext4_warning(dir->i_sb, __func__,
+			ext4_warning(dir->i_sb,
 				     "dx entry: no count or count > limit");
 			brelse(bh);
 			*err = ERR_BAD_DX_DIR;
@@ -478,7 +474,7 @@ dx_probe(const struct qstr *d_name, struct inode *dir,
 			goto fail2;
 		at = entries = ((struct dx_node *) bh->b_data)->entries;
 		if (dx_get_limit(entries) != dx_node_limit (dir)) {
-			ext4_warning(dir->i_sb, __func__,
+			ext4_warning(dir->i_sb,
 				     "dx entry: limit != node limit");
 			brelse(bh);
 			*err = ERR_BAD_DX_DIR;
@@ -494,7 +490,7 @@ fail2:
 	}
 fail:
 	if (*err == ERR_BAD_DX_DIR)
-		ext4_warning(dir->i_sb, __func__,
+		ext4_warning(dir->i_sb,
 			     "Corrupt dir inode %ld, running e2fsck is "
 			     "recommended.", dir->i_ino);
 	return NULL;
@@ -947,9 +943,8 @@ restart:
 		wait_on_buffer(bh);
 		if (!buffer_uptodate(bh)) {
 			/* read error, skip block & hope for the best */
-			ext4_error(sb, __func__, "reading directory #%lu "
-				   "offset %lu", dir->i_ino,
-				   (unsigned long)block);
+			ext4_error(sb, "reading directory #%lu offset %lu",
+				   dir->i_ino, (unsigned long)block);
 			brelse(bh);
 			goto next;
 		}
@@ -1041,7 +1036,7 @@ static struct buffer_head * ext4_dx_find_entry(struct inode *dir, const struct q
 		retval = ext4_htree_next_block(dir, hash, frame,
 					       frames, NULL);
 		if (retval < 0) {
-			ext4_warning(sb, __func__,
+			ext4_warning(sb,
 			     "error reading index page in directory #%lu",
 			     dir->i_ino);
 			*err = retval;
@@ -1071,14 +1066,13 @@ static struct dentry *ext4_lookup(struct inode *dir, struct dentry *dentry, stru
 		__u32 ino = le32_to_cpu(de->inode);
 		brelse(bh);
 		if (!ext4_valid_inum(dir->i_sb, ino)) {
-			ext4_error(dir->i_sb, "ext4_lookup",
-				   "bad inode number: %u", ino);
+			ext4_error(dir->i_sb, "bad inode number: %u", ino);
 			return ERR_PTR(-EIO);
 		}
 		inode = ext4_iget(dir->i_sb, ino);
 		if (unlikely(IS_ERR(inode))) {
 			if (PTR_ERR(inode) == -ESTALE) {
-				ext4_error(dir->i_sb, __func__,
+				ext4_error(dir->i_sb,
 						"deleted inode referenced: %u",
 						ino);
 				return ERR_PTR(-EIO);
@@ -1110,7 +1104,7 @@ struct dentry *ext4_get_parent(struct dentry *child)
 	brelse(bh);
 
 	if (!ext4_valid_inum(child->d_inode->i_sb, ino)) {
-		ext4_error(child->d_inode->i_sb, "ext4_get_parent",
+		ext4_error(child->d_inode->i_sb,
 			   "bad inode number: %u", ino);
 		return ERR_PTR(-EIO);
 	}
@@ -1410,7 +1404,7 @@ static int make_indexed_dir(handle_t *handle, struct dentry *dentry,
 	de = (struct ext4_dir_entry_2 *)((char *)fde +
 		ext4_rec_len_from_disk(fde->rec_len, blocksize));
 	if ((char *) de >= (((char *) root) + blocksize)) {
-		ext4_error(dir->i_sb, __func__,
+		ext4_error(dir->i_sb,
 			   "invalid rec_len for '..' in inode %lu",
 			   dir->i_ino);
 		brelse(bh);
@@ -1575,8 +1569,7 @@ static int ext4_dx_add_entry(handle_t *handle, struct dentry *dentry,
 
 		if (levels && (dx_get_count(frames->entries) ==
 			       dx_get_limit(frames->entries))) {
-			ext4_warning(sb, __func__,
-				     "Directory index full!");
+			ext4_warning(sb, "Directory index full!");
 			err = -ENOSPC;
 			goto cleanup;
 		}
@@ -1766,6 +1759,8 @@ static int ext4_create(struct inode *dir, struct dentry *dentry, int mode,
 	struct inode *inode;
 	int err, retries = 0;
 
+	dquot_initialize(dir);
+
 retry:
 	handle = ext4_journal_start(dir, EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
 					EXT4_INDEX_EXTRA_TRANS_BLOCKS + 3 +
@@ -1800,6 +1795,8 @@ static int ext4_mknod(struct inode *dir, struct dentry *dentry,
 	if (!new_valid_dev(rdev))
 		return -EINVAL;
 
+	dquot_initialize(dir);
+
 retry:
 	handle = ext4_journal_start(dir, EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
 					EXT4_INDEX_EXTRA_TRANS_BLOCKS + 3 +
@@ -1837,6 +1834,8 @@ static int ext4_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	if (EXT4_DIR_LINK_MAX(dir))
 		return -EMLINK;
 
+	dquot_initialize(dir);
+
 retry:
 	handle = ext4_journal_start(dir, EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
 					EXT4_INDEX_EXTRA_TRANS_BLOCKS + 3 +
@@ -1916,11 +1915,11 @@ static int empty_dir(struct inode *inode)
 	if (inode->i_size < EXT4_DIR_REC_LEN(1) + EXT4_DIR_REC_LEN(2) ||
 	    !(bh = ext4_bread(NULL, inode, 0, 0, &err))) {
 		if (err)
-			ext4_error(inode->i_sb, __func__,
+			ext4_error(inode->i_sb,
 				   "error %d reading directory #%lu offset 0",
 				   err, inode->i_ino);
 		else
-			ext4_warning(inode->i_sb, __func__,
+			ext4_warning(inode->i_sb,
 				     "bad directory (dir #%lu) - no data block",
 				     inode->i_ino);
 		return 1;
@@ -1931,7 +1930,7 @@ static int empty_dir(struct inode *inode)
 			!le32_to_cpu(de1->inode) ||
 			strcmp(".", de->name) ||
 			strcmp("..", de1->name)) {
-		ext4_warning(inode->i_sb, "empty_dir",
+		ext4_warning(inode->i_sb,
 			     "bad directory (dir #%lu) - no `.' or `..'",
 			     inode->i_ino);
 		brelse(bh);
@@ -1949,7 +1948,7 @@ static int empty_dir(struct inode *inode)
 				offset >> EXT4_BLOCK_SIZE_BITS(sb), 0, &err);
 			if (!bh) {
 				if (err)
-					ext4_error(sb, __func__,
+					ext4_error(sb,
 						   "error %d reading directory"
 						   " #%lu offset %u",
 						   err, inode->i_ino, offset);
@@ -2020,11 +2019,18 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode)
 	err = ext4_reserve_inode_write(handle, inode, &iloc);
 	if (err)
 		goto out_unlock;
+	/*
+	 * Due to previous errors inode may be already a part of on-disk
+	 * orphan list. If so skip on-disk list modification.
+	 */
+	if (NEXT_ORPHAN(inode) && NEXT_ORPHAN(inode) <=
+		(le32_to_cpu(EXT4_SB(sb)->s_es->s_inodes_count)))
+			goto mem_insert;
 
 	/* Insert this inode at the head of the on-disk orphan list... */
 	NEXT_ORPHAN(inode) = le32_to_cpu(EXT4_SB(sb)->s_es->s_last_orphan);
 	EXT4_SB(sb)->s_es->s_last_orphan = cpu_to_le32(inode->i_ino);
-	err = ext4_handle_dirty_metadata(handle, inode, EXT4_SB(sb)->s_sbh);
+	err = ext4_handle_dirty_metadata(handle, NULL, EXT4_SB(sb)->s_sbh);
 	rc = ext4_mark_iloc_dirty(handle, inode, &iloc);
 	if (!err)
 		err = rc;
@@ -2037,6 +2043,7 @@ int ext4_orphan_add(handle_t *handle, struct inode *inode)
 	 *
 	 * This is safe: on error we're going to ignore the orphan list
 	 * anyway on the next recovery. */
+mem_insert:
 	if (!err)
 		list_add(&EXT4_I(inode)->i_orphan, &EXT4_SB(sb)->s_orphan);
 
@@ -2096,7 +2103,7 @@ int ext4_orphan_del(handle_t *handle, struct inode *inode)
 		if (err)
 			goto out_brelse;
 		sbi->s_es->s_last_orphan = cpu_to_le32(ino_next);
-		err = ext4_handle_dirty_metadata(handle, inode, sbi->s_sbh);
+		err = ext4_handle_dirty_metadata(handle, NULL, sbi->s_sbh);
 	} else {
 		struct ext4_iloc iloc2;
 		struct inode *i_prev =
@@ -2136,7 +2143,9 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry)
 
 	/* Initialize quotas before so that eventual writes go in
 	 * separate transaction */
-	vfs_dq_init(dentry->d_inode);
+	dquot_initialize(dir);
+	dquot_initialize(dentry->d_inode);
+
 	handle = ext4_journal_start(dir, EXT4_DELETE_TRANS_BLOCKS(dir->i_sb));
 	if (IS_ERR(handle))
 		return PTR_ERR(handle);
@@ -2163,7 +2172,7 @@ static int ext4_rmdir(struct inode *dir, struct dentry *dentry)
 	if (retval)
 		goto end_rmdir;
 	if (!EXT4_DIR_LINK_EMPTY(inode))
-		ext4_warning(inode->i_sb, "ext4_rmdir",
+		ext4_warning(inode->i_sb,
 			     "empty directory has too many links (%d)",
 			     inode->i_nlink);
 	inode->i_version++;
@@ -2195,7 +2204,9 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry)
 
 	/* Initialize quotas before so that eventual writes go
 	 * in separate transaction */
-	vfs_dq_init(dentry->d_inode);
+	dquot_initialize(dir);
+	dquot_initialize(dentry->d_inode);
+
 	handle = ext4_journal_start(dir, EXT4_DELETE_TRANS_BLOCKS(dir->i_sb));
 	if (IS_ERR(handle))
 		return PTR_ERR(handle);
@@ -2215,7 +2226,7 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry)
 		goto end_unlink;
 
 	if (!inode->i_nlink) {
-		ext4_warning(inode->i_sb, "ext4_unlink",
+		ext4_warning(inode->i_sb,
 			     "Deleting nonexistent file (%lu), %d",
 			     inode->i_ino, inode->i_nlink);
 		inode->i_nlink = 1;
@@ -2250,6 +2261,8 @@ static int ext4_symlink(struct inode *dir,
 	if (l > dir->i_sb->s_blocksize)
 		return -ENAMETOOLONG;
 
+	dquot_initialize(dir);
+
 retry:
 	handle = ext4_journal_start(dir, EXT4_DATA_TRANS_BLOCKS(dir->i_sb) +
 					EXT4_INDEX_EXTRA_TRANS_BLOCKS + 5 +
@@ -2308,6 +2321,8 @@ static int ext4_link(struct dentry *old_dentry,
 	if (inode->i_nlink >= EXT4_LINK_MAX)
 		return -EMLINK;
 
+	dquot_initialize(dir);
+
 	/*
 	 * Return -ENOENT if we've raced with unlink and i_nlink is 0.  Doing
 	 * otherwise has the potential to corrupt the orphan inode list.
@@ -2358,12 +2373,15 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
 	struct ext4_dir_entry_2 *old_de, *new_de;
 	int retval, force_da_alloc = 0;
 
+	dquot_initialize(old_dir);
+	dquot_initialize(new_dir);
+
 	old_bh = new_bh = dir_bh = NULL;
 
 	/* Initialize quotas before so that eventual writes go
 	 * in separate transaction */
 	if (new_dentry->d_inode)
-		vfs_dq_init(new_dentry->d_inode);
+		dquot_initialize(new_dentry->d_inode);
 	handle = ext4_journal_start(old_dir, 2 *
 					EXT4_DATA_TRANS_BLOCKS(old_dir->i_sb) +
 					EXT4_INDEX_EXTRA_TRANS_BLOCKS + 2);
@@ -2462,7 +2480,7 @@ static int ext4_rename(struct inode *old_dir, struct dentry *old_dentry,
 		}
 	}
 	if (retval) {
-		ext4_warning(old_dir->i_sb, "ext4_rename",
+		ext4_warning(old_dir->i_sb,
 				"Deleting old file (%lu), %d, error=%d",
 				old_dir->i_ino, old_dir->i_nlink, retval);
 	}
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 3b2c5541d8a6..5692c48754a0 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -48,65 +48,54 @@ static int verify_group_input(struct super_block *sb,
 
 	ext4_get_group_no_and_offset(sb, start, NULL, &offset);
 	if (group != sbi->s_groups_count)
-		ext4_warning(sb, __func__,
-			     "Cannot add at group %u (only %u groups)",
+		ext4_warning(sb, "Cannot add at group %u (only %u groups)",
 			     input->group, sbi->s_groups_count);
 	else if (offset != 0)
-			ext4_warning(sb, __func__, "Last group not full");
+			ext4_warning(sb, "Last group not full");
 	else if (input->reserved_blocks > input->blocks_count / 5)
-		ext4_warning(sb, __func__, "Reserved blocks too high (%u)",
+		ext4_warning(sb, "Reserved blocks too high (%u)",
 			     input->reserved_blocks);
 	else if (free_blocks_count < 0)
-		ext4_warning(sb, __func__, "Bad blocks count %u",
+		ext4_warning(sb, "Bad blocks count %u",
 			     input->blocks_count);
 	else if (!(bh = sb_bread(sb, end - 1)))
-		ext4_warning(sb, __func__,
-			     "Cannot read last block (%llu)",
+		ext4_warning(sb, "Cannot read last block (%llu)",
 			     end - 1);
 	else if (outside(input->block_bitmap, start, end))
-		ext4_warning(sb, __func__,
-			     "Block bitmap not in group (block %llu)",
+		ext4_warning(sb, "Block bitmap not in group (block %llu)",
 			     (unsigned long long)input->block_bitmap);
 	else if (outside(input->inode_bitmap, start, end))
-		ext4_warning(sb, __func__,
-			     "Inode bitmap not in group (block %llu)",
+		ext4_warning(sb, "Inode bitmap not in group (block %llu)",
 			     (unsigned long long)input->inode_bitmap);
 	else if (outside(input->inode_table, start, end) ||
 		 outside(itend - 1, start, end))
-		ext4_warning(sb, __func__,
-			     "Inode table not in group (blocks %llu-%llu)",
+		ext4_warning(sb, "Inode table not in group (blocks %llu-%llu)",
 			     (unsigned long long)input->inode_table, itend - 1);
 	else if (input->inode_bitmap == input->block_bitmap)
-		ext4_warning(sb, __func__,
-			     "Block bitmap same as inode bitmap (%llu)",
+		ext4_warning(sb, "Block bitmap same as inode bitmap (%llu)",
 			     (unsigned long long)input->block_bitmap);
 	else if (inside(input->block_bitmap, input->inode_table, itend))
-		ext4_warning(sb, __func__,
-			     "Block bitmap (%llu) in inode table (%llu-%llu)",
+		ext4_warning(sb, "Block bitmap (%llu) in inode table "
+			     "(%llu-%llu)",
 			     (unsigned long long)input->block_bitmap,
 			     (unsigned long long)input->inode_table, itend - 1);
 	else if (inside(input->inode_bitmap, input->inode_table, itend))
-		ext4_warning(sb, __func__,
-			     "Inode bitmap (%llu) in inode table (%llu-%llu)",
+		ext4_warning(sb, "Inode bitmap (%llu) in inode table "
+			     "(%llu-%llu)",
 			     (unsigned long long)input->inode_bitmap,
 			     (unsigned long long)input->inode_table, itend - 1);
 	else if (inside(input->block_bitmap, start, metaend))
-		ext4_warning(sb, __func__,
-			     "Block bitmap (%llu) in GDT table"
-			     " (%llu-%llu)",
+		ext4_warning(sb, "Block bitmap (%llu) in GDT table (%llu-%llu)",
 			     (unsigned long long)input->block_bitmap,
 			     start, metaend - 1);
 	else if (inside(input->inode_bitmap, start, metaend))
-		ext4_warning(sb, __func__,
-			     "Inode bitmap (%llu) in GDT table"
-			     " (%llu-%llu)",
+		ext4_warning(sb, "Inode bitmap (%llu) in GDT table (%llu-%llu)",
 			     (unsigned long long)input->inode_bitmap,
 			     start, metaend - 1);
 	else if (inside(input->inode_table, start, metaend) ||
 		 inside(itend - 1, start, metaend))
-		ext4_warning(sb, __func__,
-			     "Inode table (%llu-%llu) overlaps"
-			     "GDT table (%llu-%llu)",
+		ext4_warning(sb, "Inode table (%llu-%llu) overlaps GDT table "
+			     "(%llu-%llu)",
 			     (unsigned long long)input->inode_table,
 			     itend - 1, start, metaend - 1);
 	else
@@ -364,8 +353,7 @@ static int verify_reserved_gdb(struct super_block *sb,
 	while ((grp = ext4_list_backups(sb, &three, &five, &seven)) < end) {
 		if (le32_to_cpu(*p++) !=
 		    grp * EXT4_BLOCKS_PER_GROUP(sb) + blk){
-			ext4_warning(sb, __func__,
-				     "reserved GDT %llu"
+			ext4_warning(sb, "reserved GDT %llu"
 				     " missing grp %d (%llu)",
 				     blk, grp,
 				     grp *
@@ -420,8 +408,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
          */
 	if (EXT4_SB(sb)->s_sbh->b_blocknr !=
 	    le32_to_cpu(EXT4_SB(sb)->s_es->s_first_data_block)) {
-		ext4_warning(sb, __func__,
-			"won't resize using backup superblock at %llu",
+		ext4_warning(sb, "won't resize using backup superblock at %llu",
 			(unsigned long long)EXT4_SB(sb)->s_sbh->b_blocknr);
 		return -EPERM;
 	}
@@ -444,8 +431,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
 
 	data = (__le32 *)dind->b_data;
 	if (le32_to_cpu(data[gdb_num % EXT4_ADDR_PER_BLOCK(sb)]) != gdblock) {
-		ext4_warning(sb, __func__,
-			     "new group %u GDT block %llu not reserved",
+		ext4_warning(sb, "new group %u GDT block %llu not reserved",
 			     input->group, gdblock);
 		err = -EINVAL;
 		goto exit_dind;
@@ -468,7 +454,7 @@ static int add_new_gdb(handle_t *handle, struct inode *inode,
 			GFP_NOFS);
 	if (!n_group_desc) {
 		err = -ENOMEM;
-		ext4_warning(sb, __func__,
+		ext4_warning(sb,
 			      "not enough memory for %lu groups", gdb_num + 1);
 		goto exit_inode;
 	}
@@ -567,8 +553,7 @@ static int reserve_backup_gdb(handle_t *handle, struct inode *inode,
 	/* Get each reserved primary GDT block and verify it holds backups */
 	for (res = 0; res < reserved_gdb; res++, blk++) {
 		if (le32_to_cpu(*data) != blk) {
-			ext4_warning(sb, __func__,
-				     "reserved block %llu"
+			ext4_warning(sb, "reserved block %llu"
 				     " not at offset %ld",
 				     blk,
 				     (long)(data - (__le32 *)dind->b_data));
@@ -713,8 +698,7 @@ static void update_backups(struct super_block *sb,
 	 */
 exit_err:
 	if (err) {
-		ext4_warning(sb, __func__,
-			     "can't update backup for group %u (err %d), "
+		ext4_warning(sb, "can't update backup for group %u (err %d), "
 			     "forcing fsck on next reboot", group, err);
 		sbi->s_mount_state &= ~EXT4_VALID_FS;
 		sbi->s_es->s_state &= cpu_to_le16(~EXT4_VALID_FS);
@@ -753,20 +737,19 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
 
 	if (gdb_off == 0 && !EXT4_HAS_RO_COMPAT_FEATURE(sb,
 					EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER)) {
-		ext4_warning(sb, __func__,
-			     "Can't resize non-sparse filesystem further");
+		ext4_warning(sb, "Can't resize non-sparse filesystem further");
 		return -EPERM;
 	}
 
 	if (ext4_blocks_count(es) + input->blocks_count <
 	    ext4_blocks_count(es)) {
-		ext4_warning(sb, __func__, "blocks_count overflow");
+		ext4_warning(sb, "blocks_count overflow");
 		return -EINVAL;
 	}
 
 	if (le32_to_cpu(es->s_inodes_count) + EXT4_INODES_PER_GROUP(sb) <
 	    le32_to_cpu(es->s_inodes_count)) {
-		ext4_warning(sb, __func__, "inodes_count overflow");
+		ext4_warning(sb, "inodes_count overflow");
 		return -EINVAL;
 	}
 
@@ -774,14 +757,13 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
 		if (!EXT4_HAS_COMPAT_FEATURE(sb,
 					     EXT4_FEATURE_COMPAT_RESIZE_INODE)
 		    || !le16_to_cpu(es->s_reserved_gdt_blocks)) {
-			ext4_warning(sb, __func__,
+			ext4_warning(sb,
 				     "No reserved GDT blocks, can't resize");
 			return -EPERM;
 		}
 		inode = ext4_iget(sb, EXT4_RESIZE_INO);
 		if (IS_ERR(inode)) {
-			ext4_warning(sb, __func__,
-				     "Error opening resize inode");
+			ext4_warning(sb, "Error opening resize inode");
 			return PTR_ERR(inode);
 		}
 	}
@@ -810,8 +792,7 @@ int ext4_group_add(struct super_block *sb, struct ext4_new_group_data *input)
 
 	mutex_lock(&sbi->s_resize_lock);
 	if (input->group != sbi->s_groups_count) {
-		ext4_warning(sb, __func__,
-			     "multiple resizers run on filesystem!");
+		ext4_warning(sb, "multiple resizers run on filesystem!");
 		err = -EBUSY;
 		goto exit_journal;
 	}
@@ -997,13 +978,12 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
 			" too large to resize to %llu blocks safely\n",
 			sb->s_id, n_blocks_count);
 		if (sizeof(sector_t) < 8)
-			ext4_warning(sb, __func__, "CONFIG_LBDAF not enabled");
+			ext4_warning(sb, "CONFIG_LBDAF not enabled");
 		return -EINVAL;
 	}
 
 	if (n_blocks_count < o_blocks_count) {
-		ext4_warning(sb, __func__,
-			     "can't shrink FS - resize aborted");
+		ext4_warning(sb, "can't shrink FS - resize aborted");
 		return -EBUSY;
 	}
 
@@ -1011,15 +991,14 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
 	ext4_get_group_no_and_offset(sb, o_blocks_count, &group, &last);
 
 	if (last == 0) {
-		ext4_warning(sb, __func__,
-			     "need to use ext2online to resize further");
+		ext4_warning(sb, "need to use ext2online to resize further");
 		return -EPERM;
 	}
 
 	add = EXT4_BLOCKS_PER_GROUP(sb) - last;
 
 	if (o_blocks_count + add < o_blocks_count) {
-		ext4_warning(sb, __func__, "blocks_count overflow");
+		ext4_warning(sb, "blocks_count overflow");
 		return -EINVAL;
 	}
 
@@ -1027,16 +1006,13 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
 		add = n_blocks_count - o_blocks_count;
 
 	if (o_blocks_count + add < n_blocks_count)
-		ext4_warning(sb, __func__,
-			     "will only finish group (%llu"
-			     " blocks, %u new)",
+		ext4_warning(sb, "will only finish group (%llu blocks, %u new)",
 			     o_blocks_count + add, add);
 
 	/* See if the device is actually as big as what was requested */
 	bh = sb_bread(sb, o_blocks_count + add - 1);
 	if (!bh) {
-		ext4_warning(sb, __func__,
-			     "can't read last block, resize aborted");
+		ext4_warning(sb, "can't read last block, resize aborted");
 		return -ENOSPC;
 	}
 	brelse(bh);
@@ -1047,14 +1023,13 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
 	handle = ext4_journal_start_sb(sb, 3);
 	if (IS_ERR(handle)) {
 		err = PTR_ERR(handle);
-		ext4_warning(sb, __func__, "error %d on journal start", err);
+		ext4_warning(sb, "error %d on journal start", err);
 		goto exit_put;
 	}
 
 	mutex_lock(&EXT4_SB(sb)->s_resize_lock);
 	if (o_blocks_count != ext4_blocks_count(es)) {
-		ext4_warning(sb, __func__,
-			     "multiple resizers run on filesystem!");
+		ext4_warning(sb, "multiple resizers run on filesystem!");
 		mutex_unlock(&EXT4_SB(sb)->s_resize_lock);
 		ext4_journal_stop(handle);
 		err = -EBUSY;
@@ -1063,8 +1038,7 @@ int ext4_group_extend(struct super_block *sb, struct ext4_super_block *es,
 
 	if ((err = ext4_journal_get_write_access(handle,
 						 EXT4_SB(sb)->s_sbh))) {
-		ext4_warning(sb, __func__,
-			     "error %d on journal write access", err);
+		ext4_warning(sb, "error %d on journal write access", err);
 		mutex_unlock(&EXT4_SB(sb)->s_resize_lock);
 		ext4_journal_stop(handle);
 		goto exit_put;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 735c20d5fd56..e14d22c170d5 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -68,7 +68,21 @@ static int ext4_statfs(struct dentry *dentry, struct kstatfs *buf);
 static int ext4_unfreeze(struct super_block *sb);
 static void ext4_write_super(struct super_block *sb);
 static int ext4_freeze(struct super_block *sb);
+static int ext4_get_sb(struct file_system_type *fs_type, int flags,
+		       const char *dev_name, void *data, struct vfsmount *mnt);
 
+#if !defined(CONFIG_EXT3_FS) && !defined(CONFIG_EXT3_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23)
+static struct file_system_type ext3_fs_type = {
+	.owner		= THIS_MODULE,
+	.name		= "ext3",
+	.get_sb		= ext4_get_sb,
+	.kill_sb	= kill_block_super,
+	.fs_flags	= FS_REQUIRES_DEV,
+};
+#define IS_EXT3_SB(sb) ((sb)->s_bdev->bd_holder == &ext3_fs_type)
+#else
+#define IS_EXT3_SB(sb) (0)
+#endif
 
 ext4_fsblk_t ext4_block_bitmap(struct super_block *sb,
 			       struct ext4_group_desc *bg)
@@ -302,7 +316,7 @@ void ext4_journal_abort_handle(const char *caller, const char *err_fn,
  * write out the superblock safely.
  *
  * We'll just use the jbd2_journal_abort() error code to record an error in
- * the journal instead.  On recovery, the journal will compain about
+ * the journal instead.  On recovery, the journal will complain about
  * that error until we've noted it down and cleared it.
  */
 
@@ -333,7 +347,7 @@ static void ext4_handle_error(struct super_block *sb)
 			sb->s_id);
 }
 
-void ext4_error(struct super_block *sb, const char *function,
+void __ext4_error(struct super_block *sb, const char *function,
 		const char *fmt, ...)
 {
 	va_list args;
@@ -347,6 +361,42 @@ void ext4_error(struct super_block *sb, const char *function,
 	ext4_handle_error(sb);
 }
 
+void ext4_error_inode(const char *function, struct inode *inode,
+		      const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	printk(KERN_CRIT "EXT4-fs error (device %s): %s: inode #%lu: (comm %s) ",
+	       inode->i_sb->s_id, function, inode->i_ino, current->comm);
+	vprintk(fmt, args);
+	printk("\n");
+	va_end(args);
+
+	ext4_handle_error(inode->i_sb);
+}
+
+void ext4_error_file(const char *function, struct file *file,
+		     const char *fmt, ...)
+{
+	va_list args;
+	struct inode *inode = file->f_dentry->d_inode;
+	char pathname[80], *path;
+
+	va_start(args, fmt);
+	path = d_path(&(file->f_path), pathname, sizeof(pathname));
+	if (!path)
+		path = "(unknown)";
+	printk(KERN_CRIT
+	       "EXT4-fs error (device %s): %s: inode #%lu (comm %s path %s): ",
+	       inode->i_sb->s_id, function, inode->i_ino, current->comm, path);
+	vprintk(fmt, args);
+	printk("\n");
+	va_end(args);
+
+	ext4_handle_error(inode->i_sb);
+}
+
 static const char *ext4_decode_error(struct super_block *sb, int errno,
 				     char nbuf[16])
 {
@@ -450,7 +500,7 @@ void ext4_msg (struct super_block * sb, const char *prefix,
 	va_end(args);
 }
 
-void ext4_warning(struct super_block *sb, const char *function,
+void __ext4_warning(struct super_block *sb, const char *function,
 		  const char *fmt, ...)
 {
 	va_list args;
@@ -507,7 +557,7 @@ void ext4_update_dynamic_rev(struct super_block *sb)
 	if (le32_to_cpu(es->s_rev_level) > EXT4_GOOD_OLD_REV)
 		return;
 
-	ext4_warning(sb, __func__,
+	ext4_warning(sb,
 		     "updating to rev %d because of new feature flag, "
 		     "running e2fsck is recommended",
 		     EXT4_DYNAMIC_REV);
@@ -708,7 +758,8 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
 #ifdef CONFIG_QUOTA
 	ei->i_reserved_quota = 0;
 #endif
-	INIT_LIST_HEAD(&ei->i_aio_dio_complete_list);
+	INIT_LIST_HEAD(&ei->i_completed_io_list);
+	spin_lock_init(&ei->i_completed_io_lock);
 	ei->cur_aio_dio = NULL;
 	ei->i_sync_tid = 0;
 	ei->i_datasync_tid = 0;
@@ -761,6 +812,7 @@ static void destroy_inodecache(void)
 
 static void ext4_clear_inode(struct inode *inode)
 {
+	dquot_drop(inode);
 	ext4_discard_preallocations(inode);
 	if (EXT4_JOURNAL(inode))
 		jbd2_journal_release_jbd_inode(EXT4_SB(inode->i_sb)->s_journal,
@@ -796,10 +848,10 @@ static inline void ext4_show_quota_options(struct seq_file *seq,
 	if (sbi->s_qf_names[GRPQUOTA])
 		seq_printf(seq, ",grpjquota=%s", sbi->s_qf_names[GRPQUOTA]);
 
-	if (sbi->s_mount_opt & EXT4_MOUNT_USRQUOTA)
+	if (test_opt(sb, USRQUOTA))
 		seq_puts(seq, ",usrquota");
 
-	if (sbi->s_mount_opt & EXT4_MOUNT_GRPQUOTA)
+	if (test_opt(sb, GRPQUOTA))
 		seq_puts(seq, ",grpquota");
 #endif
 }
@@ -926,6 +978,9 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
 	if (test_opt(sb, NOLOAD))
 		seq_puts(seq, ",norecovery");
 
+	if (test_opt(sb, DIOREAD_NOLOCK))
+		seq_puts(seq, ",dioread_nolock");
+
 	ext4_show_quota_options(seq, sb);
 
 	return 0;
@@ -1012,19 +1067,9 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
 				const char *data, size_t len, loff_t off);
 
 static const struct dquot_operations ext4_quota_operations = {
-	.initialize	= dquot_initialize,
-	.drop		= dquot_drop,
-	.alloc_space	= dquot_alloc_space,
-	.reserve_space	= dquot_reserve_space,
-	.claim_space	= dquot_claim_space,
-	.release_rsv	= dquot_release_reserved_space,
 #ifdef CONFIG_QUOTA
 	.get_reserved_space = ext4_get_reserved_space,
 #endif
-	.alloc_inode	= dquot_alloc_inode,
-	.free_space	= dquot_free_space,
-	.free_inode	= dquot_free_inode,
-	.transfer	= dquot_transfer,
 	.write_dquot	= ext4_write_dquot,
 	.acquire_dquot	= ext4_acquire_dquot,
 	.release_dquot	= ext4_release_dquot,
@@ -1109,6 +1154,7 @@ enum {
 	Opt_stripe, Opt_delalloc, Opt_nodelalloc,
 	Opt_block_validity, Opt_noblock_validity,
 	Opt_inode_readahead_blks, Opt_journal_ioprio,
+	Opt_dioread_nolock, Opt_dioread_lock,
 	Opt_discard, Opt_nodiscard,
 };
 
@@ -1176,6 +1222,8 @@ static const match_table_t tokens = {
 	{Opt_auto_da_alloc, "auto_da_alloc=%u"},
 	{Opt_auto_da_alloc, "auto_da_alloc"},
 	{Opt_noauto_da_alloc, "noauto_da_alloc"},
+	{Opt_dioread_nolock, "dioread_nolock"},
+	{Opt_dioread_lock, "dioread_lock"},
 	{Opt_discard, "discard"},
 	{Opt_nodiscard, "nodiscard"},
 	{Opt_err, NULL},
@@ -1205,6 +1253,66 @@ static ext4_fsblk_t get_sb_block(void **data)
 }
 
 #define DEFAULT_JOURNAL_IOPRIO (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 3))
+static char deprecated_msg[] = "Mount option \"%s\" will be removed by %s\n"
+	"Contact linux-ext4@vger.kernel.org if you think we should keep it.\n";
+
+#ifdef CONFIG_QUOTA
+static int set_qf_name(struct super_block *sb, int qtype, substring_t *args)
+{
+	struct ext4_sb_info *sbi = EXT4_SB(sb);
+	char *qname;
+
+	if (sb_any_quota_loaded(sb) &&
+		!sbi->s_qf_names[qtype]) {
+		ext4_msg(sb, KERN_ERR,
+			"Cannot change journaled "
+			"quota options when quota turned on");
+		return 0;
+	}
+	qname = match_strdup(args);
+	if (!qname) {
+		ext4_msg(sb, KERN_ERR,
+			"Not enough memory for storing quotafile name");
+		return 0;
+	}
+	if (sbi->s_qf_names[qtype] &&
+		strcmp(sbi->s_qf_names[qtype], qname)) {
+		ext4_msg(sb, KERN_ERR,
+			"%s quota file already specified", QTYPE2NAME(qtype));
+		kfree(qname);
+		return 0;
+	}
+	sbi->s_qf_names[qtype] = qname;
+	if (strchr(sbi->s_qf_names[qtype], '/')) {
+		ext4_msg(sb, KERN_ERR,
+			"quotafile must be on filesystem root");
+		kfree(sbi->s_qf_names[qtype]);
+		sbi->s_qf_names[qtype] = NULL;
+		return 0;
+	}
+	set_opt(sbi->s_mount_opt, QUOTA);
+	return 1;
+}
+
+static int clear_qf_name(struct super_block *sb, int qtype)
+{
+
+	struct ext4_sb_info *sbi = EXT4_SB(sb);
+
+	if (sb_any_quota_loaded(sb) &&
+		sbi->s_qf_names[qtype]) {
+		ext4_msg(sb, KERN_ERR, "Cannot change journaled quota options"
+			" when quota turned on");
+		return 0;
+	}
+	/*
+	 * The space will be released later when all options are confirmed
+	 * to be correct
+	 */
+	sbi->s_qf_names[qtype] = NULL;
+	return 1;
+}
+#endif
 
 static int parse_options(char *options, struct super_block *sb,
 			 unsigned long *journal_devnum,
@@ -1217,8 +1325,7 @@ static int parse_options(char *options, struct super_block *sb,
 	int data_opt = 0;
 	int option;
 #ifdef CONFIG_QUOTA
-	int qtype, qfmt;
-	char *qname;
+	int qfmt;
 #endif
 
 	if (!options)
@@ -1229,19 +1336,31 @@ static int parse_options(char *options, struct super_block *sb,
 		if (!*p)
 			continue;
 
+		/*
+		 * Initialize args struct so we know whether arg was
+		 * found; some options take optional arguments.
+		 */
+		args[0].to = args[0].from = 0;
 		token = match_token(p, tokens, args);
 		switch (token) {
 		case Opt_bsd_df:
+			ext4_msg(sb, KERN_WARNING, deprecated_msg, p, "2.6.38");
 			clear_opt(sbi->s_mount_opt, MINIX_DF);
 			break;
 		case Opt_minix_df:
+			ext4_msg(sb, KERN_WARNING, deprecated_msg, p, "2.6.38");
 			set_opt(sbi->s_mount_opt, MINIX_DF);
+
 			break;
 		case Opt_grpid:
+			ext4_msg(sb, KERN_WARNING, deprecated_msg, p, "2.6.38");
 			set_opt(sbi->s_mount_opt, GRPID);
+
 			break;
 		case Opt_nogrpid:
+			ext4_msg(sb, KERN_WARNING, deprecated_msg, p, "2.6.38");
 			clear_opt(sbi->s_mount_opt, GRPID);
+
 			break;
 		case Opt_resuid:
 			if (match_int(&args[0], &option))
@@ -1378,14 +1497,13 @@ static int parse_options(char *options, struct super_block *sb,
 			data_opt = EXT4_MOUNT_WRITEBACK_DATA;
 		datacheck:
 			if (is_remount) {
-				if ((sbi->s_mount_opt & EXT4_MOUNT_DATA_FLAGS)
-						!= data_opt) {
+				if (test_opt(sb, DATA_FLAGS) != data_opt) {
 					ext4_msg(sb, KERN_ERR,
 						"Cannot change data mode on remount");
 					return 0;
 				}
 			} else {
-				sbi->s_mount_opt &= ~EXT4_MOUNT_DATA_FLAGS;
+				clear_opt(sbi->s_mount_opt, DATA_FLAGS);
 				sbi->s_mount_opt |= data_opt;
 			}
 			break;
@@ -1397,63 +1515,22 @@ static int parse_options(char *options, struct super_block *sb,
 			break;
 #ifdef CONFIG_QUOTA
 		case Opt_usrjquota:
-			qtype = USRQUOTA;
-			goto set_qf_name;
-		case Opt_grpjquota:
-			qtype = GRPQUOTA;
-set_qf_name:
-			if (sb_any_quota_loaded(sb) &&
-			    !sbi->s_qf_names[qtype]) {
-				ext4_msg(sb, KERN_ERR,
-				       "Cannot change journaled "
-				       "quota options when quota turned on");
+			if (!set_qf_name(sb, USRQUOTA, &args[0]))
 				return 0;
-			}
-			qname = match_strdup(&args[0]);
-			if (!qname) {
-				ext4_msg(sb, KERN_ERR,
-					"Not enough memory for "
-					"storing quotafile name");
-				return 0;
-			}
-			if (sbi->s_qf_names[qtype] &&
-			    strcmp(sbi->s_qf_names[qtype], qname)) {
-				ext4_msg(sb, KERN_ERR,
-					"%s quota file already "
-					"specified", QTYPE2NAME(qtype));
-				kfree(qname);
-				return 0;
-			}
-			sbi->s_qf_names[qtype] = qname;
-			if (strchr(sbi->s_qf_names[qtype], '/')) {
-				ext4_msg(sb, KERN_ERR,
-					"quotafile must be on "
-					"filesystem root");
-				kfree(sbi->s_qf_names[qtype]);
-				sbi->s_qf_names[qtype] = NULL;
+			break;
+		case Opt_grpjquota:
+			if (!set_qf_name(sb, GRPQUOTA, &args[0]))
 				return 0;
-			}
-			set_opt(sbi->s_mount_opt, QUOTA);
 			break;
 		case Opt_offusrjquota:
-			qtype = USRQUOTA;
-			goto clear_qf_name;
+			if (!clear_qf_name(sb, USRQUOTA))
+				return 0;
+			break;
 		case Opt_offgrpjquota:
-			qtype = GRPQUOTA;
-clear_qf_name:
-			if (sb_any_quota_loaded(sb) &&
-			    sbi->s_qf_names[qtype]) {
-				ext4_msg(sb, KERN_ERR, "Cannot change "
-					"journaled quota options when "
-					"quota turned on");
+			if (!clear_qf_name(sb, GRPQUOTA))
 				return 0;
-			}
-			/*
-			 * The space will be released later when all options
-			 * are confirmed to be correct
-			 */
-			sbi->s_qf_names[qtype] = NULL;
 			break;
+
 		case Opt_jqfmt_vfsold:
 			qfmt = QFMT_VFS_OLD;
 			goto set_qf_format;
@@ -1518,10 +1595,11 @@ set_qf_format:
 			clear_opt(sbi->s_mount_opt, BARRIER);
 			break;
 		case Opt_barrier:
-			if (match_int(&args[0], &option)) {
-				set_opt(sbi->s_mount_opt, BARRIER);
-				break;
-			}
+			if (args[0].from) {
+				if (match_int(&args[0], &option))
+					return 0;
+			} else
+				option = 1;	/* No argument, default to 1 */
 			if (option)
 				set_opt(sbi->s_mount_opt, BARRIER);
 			else
@@ -1594,10 +1672,11 @@ set_qf_format:
 			set_opt(sbi->s_mount_opt,NO_AUTO_DA_ALLOC);
 			break;
 		case Opt_auto_da_alloc:
-			if (match_int(&args[0], &option)) {
-				clear_opt(sbi->s_mount_opt, NO_AUTO_DA_ALLOC);
-				break;
-			}
+			if (args[0].from) {
+				if (match_int(&args[0], &option))
+					return 0;
+			} else
+				option = 1;	/* No argument, default to 1 */
 			if (option)
 				clear_opt(sbi->s_mount_opt, NO_AUTO_DA_ALLOC);
 			else
@@ -1609,6 +1688,12 @@ set_qf_format:
 		case Opt_nodiscard:
 			clear_opt(sbi->s_mount_opt, DISCARD);
 			break;
+		case Opt_dioread_nolock:
+			set_opt(sbi->s_mount_opt, DIOREAD_NOLOCK);
+			break;
+		case Opt_dioread_lock:
+			clear_opt(sbi->s_mount_opt, DIOREAD_NOLOCK);
+			break;
 		default:
 			ext4_msg(sb, KERN_ERR,
 			       "Unrecognized mount option \"%s\" "
@@ -1618,18 +1703,13 @@ set_qf_format:
 	}
 #ifdef CONFIG_QUOTA
 	if (sbi->s_qf_names[USRQUOTA] || sbi->s_qf_names[GRPQUOTA]) {
-		if ((sbi->s_mount_opt & EXT4_MOUNT_USRQUOTA) &&
-		     sbi->s_qf_names[USRQUOTA])
+		if (test_opt(sb, USRQUOTA) && sbi->s_qf_names[USRQUOTA])
 			clear_opt(sbi->s_mount_opt, USRQUOTA);
 
-		if ((sbi->s_mount_opt & EXT4_MOUNT_GRPQUOTA) &&
-		     sbi->s_qf_names[GRPQUOTA])
+		if (test_opt(sb, GRPQUOTA) && sbi->s_qf_names[GRPQUOTA])
 			clear_opt(sbi->s_mount_opt, GRPQUOTA);
 
-		if ((sbi->s_qf_names[USRQUOTA] &&
-				(sbi->s_mount_opt & EXT4_MOUNT_GRPQUOTA)) ||
-		    (sbi->s_qf_names[GRPQUOTA] &&
-				(sbi->s_mount_opt & EXT4_MOUNT_USRQUOTA))) {
+		if (test_opt(sb, GRPQUOTA) || test_opt(sb, USRQUOTA)) {
 			ext4_msg(sb, KERN_ERR, "old and new quota "
 					"format mixing");
 			return 0;
@@ -1939,7 +2019,7 @@ static void ext4_orphan_cleanup(struct super_block *sb,
 		}
 
 		list_add(&EXT4_I(inode)->i_orphan, &EXT4_SB(sb)->s_orphan);
-		vfs_dq_init(inode);
+		dquot_initialize(inode);
 		if (inode->i_nlink) {
 			ext4_msg(sb, KERN_DEBUG,
 				"%s: truncating inode %lu to %lld bytes",
@@ -2292,7 +2372,7 @@ static void ext4_sb_release(struct kobject *kobj)
 }
 
 
-static struct sysfs_ops ext4_attr_ops = {
+static const struct sysfs_ops ext4_attr_ops = {
 	.show	= ext4_attr_show,
 	.store	= ext4_attr_store,
 };
@@ -2432,8 +2512,11 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	def_mount_opts = le32_to_cpu(es->s_default_mount_opts);
 	if (def_mount_opts & EXT4_DEFM_DEBUG)
 		set_opt(sbi->s_mount_opt, DEBUG);
-	if (def_mount_opts & EXT4_DEFM_BSDGROUPS)
+	if (def_mount_opts & EXT4_DEFM_BSDGROUPS) {
+		ext4_msg(sb, KERN_WARNING, deprecated_msg, "bsdgroups",
+			"2.6.38");
 		set_opt(sbi->s_mount_opt, GRPID);
+	}
 	if (def_mount_opts & EXT4_DEFM_UID16)
 		set_opt(sbi->s_mount_opt, NO_UID32);
 #ifdef CONFIG_EXT4_FS_XATTR
@@ -2445,11 +2528,11 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 		set_opt(sbi->s_mount_opt, POSIX_ACL);
 #endif
 	if ((def_mount_opts & EXT4_DEFM_JMODE) == EXT4_DEFM_JMODE_DATA)
-		sbi->s_mount_opt |= EXT4_MOUNT_JOURNAL_DATA;
+		set_opt(sbi->s_mount_opt, JOURNAL_DATA);
 	else if ((def_mount_opts & EXT4_DEFM_JMODE) == EXT4_DEFM_JMODE_ORDERED)
-		sbi->s_mount_opt |= EXT4_MOUNT_ORDERED_DATA;
+		set_opt(sbi->s_mount_opt, ORDERED_DATA);
 	else if ((def_mount_opts & EXT4_DEFM_JMODE) == EXT4_DEFM_JMODE_WBACK)
-		sbi->s_mount_opt |= EXT4_MOUNT_WRITEBACK_DATA;
+		set_opt(sbi->s_mount_opt, WRITEBACK_DATA);
 
 	if (le16_to_cpu(sbi->s_es->s_errors) == EXT4_ERRORS_PANIC)
 		set_opt(sbi->s_mount_opt, ERRORS_PANIC);
@@ -2470,14 +2553,15 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	 * enable delayed allocation by default
 	 * Use -o nodelalloc to turn it off
 	 */
-	set_opt(sbi->s_mount_opt, DELALLOC);
+	if (!IS_EXT3_SB(sb))
+		set_opt(sbi->s_mount_opt, DELALLOC);
 
 	if (!parse_options((char *) data, sb, &journal_devnum,
 			   &journal_ioprio, NULL, 0))
 		goto failed_mount;
 
 	sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
-		((sbi->s_mount_opt & EXT4_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
+		(test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
 
 	if (le32_to_cpu(es->s_rev_level) == EXT4_GOOD_OLD_REV &&
 	    (EXT4_HAS_COMPAT_FEATURE(sb, ~0U) ||
@@ -2766,7 +2850,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	      EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_RECOVER)) {
 		ext4_msg(sb, KERN_ERR, "required journal recovery "
 		       "suppressed and not mounted read-only");
-		goto failed_mount4;
+		goto failed_mount_wq;
 	} else {
 		clear_opt(sbi->s_mount_opt, DATA_FLAGS);
 		set_opt(sbi->s_mount_opt, WRITEBACK_DATA);
@@ -2779,7 +2863,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	    !jbd2_journal_set_features(EXT4_SB(sb)->s_journal, 0, 0,
 				       JBD2_FEATURE_INCOMPAT_64BIT)) {
 		ext4_msg(sb, KERN_ERR, "Failed to set 64-bit journal feature");
-		goto failed_mount4;
+		goto failed_mount_wq;
 	}
 
 	if (test_opt(sb, JOURNAL_ASYNC_COMMIT)) {
@@ -2818,7 +2902,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 		    (sbi->s_journal, 0, 0, JBD2_FEATURE_INCOMPAT_REVOKE)) {
 			ext4_msg(sb, KERN_ERR, "Journal does not support "
 			       "requested data journaling mode");
-			goto failed_mount4;
+			goto failed_mount_wq;
 		}
 	default:
 		break;
@@ -2826,13 +2910,17 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	set_task_ioprio(sbi->s_journal->j_task, journal_ioprio);
 
 no_journal:
-
 	if (test_opt(sb, NOBH)) {
 		if (!(test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)) {
 			ext4_msg(sb, KERN_WARNING, "Ignoring nobh option - "
 				"its supported only with writeback mode");
 			clear_opt(sbi->s_mount_opt, NOBH);
 		}
+		if (test_opt(sb, DIOREAD_NOLOCK)) {
+			ext4_msg(sb, KERN_WARNING, "dioread_nolock option is "
+				"not supported with nobh mode");
+			goto failed_mount_wq;
+		}
 	}
 	EXT4_SB(sb)->dio_unwritten_wq = create_workqueue("ext4-dio-unwritten");
 	if (!EXT4_SB(sb)->dio_unwritten_wq) {
@@ -2897,6 +2985,18 @@ no_journal:
 			 "requested data journaling mode");
 		clear_opt(sbi->s_mount_opt, DELALLOC);
 	}
+	if (test_opt(sb, DIOREAD_NOLOCK)) {
+		if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA) {
+			ext4_msg(sb, KERN_WARNING, "Ignoring dioread_nolock "
+				"option - requested data journaling mode");
+			clear_opt(sbi->s_mount_opt, DIOREAD_NOLOCK);
+		}
+		if (sb->s_blocksize < PAGE_SIZE) {
+			ext4_msg(sb, KERN_WARNING, "Ignoring dioread_nolock "
+				"option - block size is too small");
+			clear_opt(sbi->s_mount_opt, DIOREAD_NOLOCK);
+		}
+	}
 
 	err = ext4_setup_system_zone(sb);
 	if (err) {
@@ -3360,10 +3460,9 @@ static void ext4_clear_journal_err(struct super_block *sb,
 		char nbuf[16];
 
 		errstr = ext4_decode_error(sb, j_errno, nbuf);
-		ext4_warning(sb, __func__, "Filesystem error recorded "
+		ext4_warning(sb, "Filesystem error recorded "
 			     "from previous mount: %s", errstr);
-		ext4_warning(sb, __func__, "Marking fs in need of "
-			     "filesystem check.");
+		ext4_warning(sb, "Marking fs in need of filesystem check.");
 
 		EXT4_SB(sb)->s_mount_state |= EXT4_ERROR_FS;
 		es->s_state |= cpu_to_le16(EXT4_ERROR_FS);
@@ -3514,7 +3613,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 		ext4_abort(sb, __func__, "Abort forced by user");
 
 	sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
-		((sbi->s_mount_opt & EXT4_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);
+		(test_opt(sb, POSIX_ACL) ? MS_POSIXACL : 0);
 
 	es = sbi->s_es;
 
@@ -3708,7 +3807,7 @@ static int ext4_statfs(struct dentry *dentry, struct kstatfs *buf)
  * Process 1                         Process 2
  * ext4_create()                     quota_sync()
  *   jbd2_journal_start()                  write_dquot()
- *   vfs_dq_init()                         down(dqio_mutex)
+ *   dquot_initialize()                         down(dqio_mutex)
  *     down(dqio_mutex)                    jbd2_journal_start()
  *
  */
@@ -3917,9 +4016,7 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
 	ext4_lblk_t blk = off >> EXT4_BLOCK_SIZE_BITS(sb);
 	int err = 0;
 	int offset = off & (sb->s_blocksize - 1);
-	int tocopy;
 	int journal_quota = EXT4_SB(sb)->s_qf_names[type] != NULL;
-	size_t towrite = len;
 	struct buffer_head *bh;
 	handle_t *handle = journal_current_handle();
 
@@ -3929,52 +4026,53 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
 			(unsigned long long)off, (unsigned long long)len);
 		return -EIO;
 	}
+	/*
+	 * Since we account only one data block in transaction credits,
+	 * then it is impossible to cross a block boundary.
+	 */
+	if (sb->s_blocksize - offset < len) {
+		ext4_msg(sb, KERN_WARNING, "Quota write (off=%llu, len=%llu)"
+			" cancelled because not block aligned",
+			(unsigned long long)off, (unsigned long long)len);
+		return -EIO;
+	}
+
 	mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA);
-	while (towrite > 0) {
-		tocopy = sb->s_blocksize - offset < towrite ?
-				sb->s_blocksize - offset : towrite;
-		bh = ext4_bread(handle, inode, blk, 1, &err);
-		if (!bh)
+	bh = ext4_bread(handle, inode, blk, 1, &err);
+	if (!bh)
+		goto out;
+	if (journal_quota) {
+		err = ext4_journal_get_write_access(handle, bh);
+		if (err) {
+			brelse(bh);
 			goto out;
-		if (journal_quota) {
-			err = ext4_journal_get_write_access(handle, bh);
-			if (err) {
-				brelse(bh);
-				goto out;
-			}
-		}
-		lock_buffer(bh);
-		memcpy(bh->b_data+offset, data, tocopy);
-		flush_dcache_page(bh->b_page);
-		unlock_buffer(bh);
-		if (journal_quota)
-			err = ext4_handle_dirty_metadata(handle, NULL, bh);
-		else {
-			/* Always do at least ordered writes for quotas */
-			err = ext4_jbd2_file_inode(handle, inode);
-			mark_buffer_dirty(bh);
 		}
-		brelse(bh);
-		if (err)
-			goto out;
-		offset = 0;
-		towrite -= tocopy;
-		data += tocopy;
-		blk++;
 	}
+	lock_buffer(bh);
+	memcpy(bh->b_data+offset, data, len);
+	flush_dcache_page(bh->b_page);
+	unlock_buffer(bh);
+	if (journal_quota)
+		err = ext4_handle_dirty_metadata(handle, NULL, bh);
+	else {
+		/* Always do at least ordered writes for quotas */
+		err = ext4_jbd2_file_inode(handle, inode);
+		mark_buffer_dirty(bh);
+	}
+	brelse(bh);
 out:
-	if (len == towrite) {
+	if (err) {
 		mutex_unlock(&inode->i_mutex);
 		return err;
 	}
-	if (inode->i_size < off+len-towrite) {
-		i_size_write(inode, off+len-towrite);
+	if (inode->i_size < off + len) {
+		i_size_write(inode, off + len);
 		EXT4_I(inode)->i_disksize = inode->i_size;
 	}
 	inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 	ext4_mark_inode_dirty(handle, inode);
 	mutex_unlock(&inode->i_mutex);
-	return len - towrite;
+	return len;
 }
 
 #endif
@@ -3985,7 +4083,7 @@ static int ext4_get_sb(struct file_system_type *fs_type, int flags,
 	return get_sb_bdev(fs_type, flags, dev_name, data, ext4_fill_super,mnt);
 }
 
-#if !defined(CONTIG_EXT2_FS) && !defined(CONFIG_EXT2_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23)
+#if !defined(CONFIG_EXT2_FS) && !defined(CONFIG_EXT2_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23)
 static struct file_system_type ext2_fs_type = {
 	.owner		= THIS_MODULE,
 	.name		= "ext2",
@@ -4012,15 +4110,7 @@ static inline void register_as_ext2(void) { }
 static inline void unregister_as_ext2(void) { }
 #endif
 
-#if !defined(CONTIG_EXT3_FS) && !defined(CONFIG_EXT3_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23)
-static struct file_system_type ext3_fs_type = {
-	.owner		= THIS_MODULE,
-	.name		= "ext3",
-	.get_sb		= ext4_get_sb,
-	.kill_sb	= kill_block_super,
-	.fs_flags	= FS_REQUIRES_DEV,
-};
-
+#if !defined(CONFIG_EXT3_FS) && !defined(CONFIG_EXT3_FS_MODULE) && defined(CONFIG_EXT4_USE_FOR_EXT23)
 static inline void register_as_ext3(void)
 {
 	int err = register_filesystem(&ext3_fs_type);
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index f3a2f7ed45aa..b4c5aa8489d8 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -227,7 +227,8 @@ ext4_xattr_block_get(struct inode *inode, int name_index, const char *name,
 	ea_bdebug(bh, "b_count=%d, refcount=%d",
 		atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
 	if (ext4_xattr_check_block(bh)) {
-bad_block:	ext4_error(inode->i_sb, __func__,
+bad_block:
+		ext4_error(inode->i_sb,
 			   "inode %lu: bad block %llu", inode->i_ino,
 			   EXT4_I(inode)->i_file_acl);
 		error = -EIO;
@@ -267,7 +268,7 @@ ext4_xattr_ibody_get(struct inode *inode, int name_index, const char *name,
 	void *end;
 	int error;
 
-	if (!(EXT4_I(inode)->i_state & EXT4_STATE_XATTR))
+	if (!ext4_test_inode_state(inode, EXT4_STATE_XATTR))
 		return -ENODATA;
 	error = ext4_get_inode_loc(inode, &iloc);
 	if (error)
@@ -371,7 +372,7 @@ ext4_xattr_block_list(struct dentry *dentry, char *buffer, size_t buffer_size)
 	ea_bdebug(bh, "b_count=%d, refcount=%d",
 		atomic_read(&(bh->b_count)), le32_to_cpu(BHDR(bh)->h_refcount));
 	if (ext4_xattr_check_block(bh)) {
-		ext4_error(inode->i_sb, __func__,
+		ext4_error(inode->i_sb,
 			   "inode %lu: bad block %llu", inode->i_ino,
 			   EXT4_I(inode)->i_file_acl);
 		error = -EIO;
@@ -396,7 +397,7 @@ ext4_xattr_ibody_list(struct dentry *dentry, char *buffer, size_t buffer_size)
 	void *end;
 	int error;
 
-	if (!(EXT4_I(inode)->i_state & EXT4_STATE_XATTR))
+	if (!ext4_test_inode_state(inode, EXT4_STATE_XATTR))
 		return 0;
 	error = ext4_get_inode_loc(inode, &iloc);
 	if (error)
@@ -494,7 +495,7 @@ ext4_xattr_release_block(handle_t *handle, struct inode *inode,
 		error = ext4_handle_dirty_metadata(handle, inode, bh);
 		if (IS_SYNC(inode))
 			ext4_handle_sync(handle);
-		vfs_dq_free_block(inode, 1);
+		dquot_free_block(inode, 1);
 		ea_bdebug(bh, "refcount now=%d; releasing",
 			  le32_to_cpu(BHDR(bh)->h_refcount));
 		if (ce)
@@ -665,9 +666,8 @@ ext4_xattr_block_find(struct inode *inode, struct ext4_xattr_info *i,
 			atomic_read(&(bs->bh->b_count)),
 			le32_to_cpu(BHDR(bs->bh)->h_refcount));
 		if (ext4_xattr_check_block(bs->bh)) {
-			ext4_error(sb, __func__,
-				"inode %lu: bad block %llu", inode->i_ino,
-				EXT4_I(inode)->i_file_acl);
+			ext4_error(sb, "inode %lu: bad block %llu",
+				   inode->i_ino, EXT4_I(inode)->i_file_acl);
 			error = -EIO;
 			goto cleanup;
 		}
@@ -787,8 +787,8 @@ inserted:
 			else {
 				/* The old block is released after updating
 				   the inode. */
-				error = -EDQUOT;
-				if (vfs_dq_alloc_block(inode, 1))
+				error = dquot_alloc_block(inode, 1);
+				if (error)
 					goto cleanup;
 				error = ext4_journal_get_write_access(handle,
 								      new_bh);
@@ -876,13 +876,12 @@ cleanup:
 	return error;
 
 cleanup_dquot:
-	vfs_dq_free_block(inode, 1);
+	dquot_free_block(inode, 1);
 	goto cleanup;
 
 bad_block:
-	ext4_error(inode->i_sb, __func__,
-		   "inode %lu: bad block %llu", inode->i_ino,
-		   EXT4_I(inode)->i_file_acl);
+	ext4_error(inode->i_sb, "inode %lu: bad block %llu",
+		   inode->i_ino, EXT4_I(inode)->i_file_acl);
 	goto cleanup;
 
 #undef header
@@ -908,7 +907,7 @@ ext4_xattr_ibody_find(struct inode *inode, struct ext4_xattr_info *i,
 	is->s.base = is->s.first = IFIRST(header);
 	is->s.here = is->s.first;
 	is->s.end = (void *)raw_inode + EXT4_SB(inode->i_sb)->s_inode_size;
-	if (EXT4_I(inode)->i_state & EXT4_STATE_XATTR) {
+	if (ext4_test_inode_state(inode, EXT4_STATE_XATTR)) {
 		error = ext4_xattr_check_names(IFIRST(header), is->s.end);
 		if (error)
 			return error;
@@ -940,10 +939,10 @@ ext4_xattr_ibody_set(handle_t *handle, struct inode *inode,
 	header = IHDR(inode, ext4_raw_inode(&is->iloc));
 	if (!IS_LAST_ENTRY(s->first)) {
 		header->h_magic = cpu_to_le32(EXT4_XATTR_MAGIC);
-		EXT4_I(inode)->i_state |= EXT4_STATE_XATTR;
+		ext4_set_inode_state(inode, EXT4_STATE_XATTR);
 	} else {
 		header->h_magic = cpu_to_le32(0);
-		EXT4_I(inode)->i_state &= ~EXT4_STATE_XATTR;
+		ext4_clear_inode_state(inode, EXT4_STATE_XATTR);
 	}
 	return 0;
 }
@@ -986,8 +985,8 @@ ext4_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
 	if (strlen(name) > 255)
 		return -ERANGE;
 	down_write(&EXT4_I(inode)->xattr_sem);
-	no_expand = EXT4_I(inode)->i_state & EXT4_STATE_NO_EXPAND;
-	EXT4_I(inode)->i_state |= EXT4_STATE_NO_EXPAND;
+	no_expand = ext4_test_inode_state(inode, EXT4_STATE_NO_EXPAND);
+	ext4_set_inode_state(inode, EXT4_STATE_NO_EXPAND);
 
 	error = ext4_get_inode_loc(inode, &is.iloc);
 	if (error)
@@ -997,10 +996,10 @@ ext4_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
 	if (error)
 		goto cleanup;
 
-	if (EXT4_I(inode)->i_state & EXT4_STATE_NEW) {
+	if (ext4_test_inode_state(inode, EXT4_STATE_NEW)) {
 		struct ext4_inode *raw_inode = ext4_raw_inode(&is.iloc);
 		memset(raw_inode, 0, EXT4_SB(inode->i_sb)->s_inode_size);
-		EXT4_I(inode)->i_state &= ~EXT4_STATE_NEW;
+		ext4_clear_inode_state(inode, EXT4_STATE_NEW);
 	}
 
 	error = ext4_xattr_ibody_find(inode, &i, &is);
@@ -1052,7 +1051,7 @@ ext4_xattr_set_handle(handle_t *handle, struct inode *inode, int name_index,
 		ext4_xattr_update_super_block(handle, inode->i_sb);
 		inode->i_ctime = ext4_current_time(inode);
 		if (!value)
-			EXT4_I(inode)->i_state &= ~EXT4_STATE_NO_EXPAND;
+			ext4_clear_inode_state(inode, EXT4_STATE_NO_EXPAND);
 		error = ext4_mark_iloc_dirty(handle, inode, &is.iloc);
 		/*
 		 * The bh is consumed by ext4_mark_iloc_dirty, even with
@@ -1067,7 +1066,7 @@ cleanup:
 	brelse(is.iloc.bh);
 	brelse(bs.bh);
 	if (no_expand == 0)
-		EXT4_I(inode)->i_state &= ~EXT4_STATE_NO_EXPAND;
+		ext4_clear_inode_state(inode, EXT4_STATE_NO_EXPAND);
 	up_write(&EXT4_I(inode)->xattr_sem);
 	return error;
 }
@@ -1195,9 +1194,8 @@ retry:
 		if (!bh)
 			goto cleanup;
 		if (ext4_xattr_check_block(bh)) {
-			ext4_error(inode->i_sb, __func__,
-				"inode %lu: bad block %llu", inode->i_ino,
-				EXT4_I(inode)->i_file_acl);
+			ext4_error(inode->i_sb, "inode %lu: bad block %llu",
+				   inode->i_ino, EXT4_I(inode)->i_file_acl);
 			error = -EIO;
 			goto cleanup;
 		}
@@ -1302,6 +1300,8 @@ retry:
 
 		/* Remove the chosen entry from the inode */
 		error = ext4_xattr_ibody_set(handle, inode, &i, is);
+		if (error)
+			goto cleanup;
 
 		entry = IFIRST(header);
 		if (entry_size + EXT4_XATTR_SIZE(size) >= new_extra_isize)
@@ -1372,16 +1372,14 @@ ext4_xattr_delete_inode(handle_t *handle, struct inode *inode)
 		goto cleanup;
 	bh = sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl);
 	if (!bh) {
-		ext4_error(inode->i_sb, __func__,
-			"inode %lu: block %llu read error", inode->i_ino,
-			EXT4_I(inode)->i_file_acl);
+		ext4_error(inode->i_sb, "inode %lu: block %llu read error",
+			   inode->i_ino, EXT4_I(inode)->i_file_acl);
 		goto cleanup;
 	}
 	if (BHDR(bh)->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC) ||
 	    BHDR(bh)->h_blocks != cpu_to_le32(1)) {
-		ext4_error(inode->i_sb, __func__,
-			"inode %lu: bad block %llu", inode->i_ino,
-			EXT4_I(inode)->i_file_acl);
+		ext4_error(inode->i_sb, "inode %lu: bad block %llu",
+			   inode->i_ino, EXT4_I(inode)->i_file_acl);
 		goto cleanup;
 	}
 	ext4_xattr_release_block(handle, inode, bh);
@@ -1506,7 +1504,7 @@ again:
 		}
 		bh = sb_bread(inode->i_sb, ce->e_block);
 		if (!bh) {
-			ext4_error(inode->i_sb, __func__,
+			ext4_error(inode->i_sb,
 				"inode %lu: block %lu read error",
 				inode->i_ino, (unsigned long) ce->e_block);
 		} else if (le32_to_cpu(BHDR(bh)->h_refcount) >=
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 14da530b05ca..0ce143bd7d56 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -558,7 +558,7 @@ static int fat_statfs(struct dentry *dentry, struct kstatfs *buf)
 	buf->f_bavail = sbi->free_clusters;
 	buf->f_fsid.val[0] = (u32)id;
 	buf->f_fsid.val[1] = (u32)(id >> 32);
-	buf->f_namelen = sbi->options.isvfat ? 260 : 12;
+	buf->f_namelen = sbi->options.isvfat ? FAT_LFN_LEN : 12;
 
 	return 0;
 }
@@ -577,7 +577,7 @@ static inline loff_t fat_i_pos_read(struct msdos_sb_info *sbi,
 	return i_pos;
 }
 
-static int fat_write_inode(struct inode *inode, int wait)
+static int __fat_write_inode(struct inode *inode, int wait)
 {
 	struct super_block *sb = inode->i_sb;
 	struct msdos_sb_info *sbi = MSDOS_SB(sb);
@@ -634,9 +634,14 @@ retry:
 	return err;
 }
 
+static int fat_write_inode(struct inode *inode, struct writeback_control *wbc)
+{
+	return __fat_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
+}
+
 int fat_sync_inode(struct inode *inode)
 {
-	return fat_write_inode(inode, 1);
+	return __fat_write_inode(inode, 1);
 }
 
 EXPORT_SYMBOL_GPL(fat_sync_inode);
diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c
index f565f24019b5..6fcc7e71fbaa 100644
--- a/fs/fat/namei_vfat.c
+++ b/fs/fat/namei_vfat.c
@@ -309,7 +309,7 @@ static int vfat_create_shortname(struct inode *dir, struct nls_table *nls,
 {
 	struct fat_mount_options *opts = &MSDOS_SB(dir->i_sb)->options;
 	wchar_t *ip, *ext_start, *end, *name_start;
-	unsigned char base[9], ext[4], buf[8], *p;
+	unsigned char base[9], ext[4], buf[5], *p;
 	unsigned char charbuf[NLS_MAX_CHARSET_SIZE];
 	int chl, chi;
 	int sz = 0, extlen, baselen, i, numtail_baselen, numtail2_baselen;
@@ -467,7 +467,7 @@ static int vfat_create_shortname(struct inode *dir, struct nls_table *nls,
 			return 0;
 	}
 
-	i = jiffies & 0xffff;
+	i = jiffies;
 	sz = (jiffies >> 16) & 0x7;
 	if (baselen > 2) {
 		baselen = numtail2_baselen;
@@ -476,7 +476,7 @@ static int vfat_create_shortname(struct inode *dir, struct nls_table *nls,
 	name_res[baselen + 4] = '~';
 	name_res[baselen + 5] = '1' + sz;
 	while (1) {
-		sprintf(buf, "%04X", i);
+		snprintf(buf, sizeof(buf), "%04X", i & 0xffff);
 		memcpy(&name_res[baselen], buf, 4);
 		if (vfat_find_form(dir, name_res) < 0)
 			break;
@@ -502,14 +502,14 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
 		*outlen = utf8s_to_utf16s(name, len, (wchar_t *)outname);
 		if (*outlen < 0)
 			return *outlen;
-		else if (*outlen > 255)
+		else if (*outlen > FAT_LFN_LEN)
 			return -ENAMETOOLONG;
 
 		op = &outname[*outlen * sizeof(wchar_t)];
 	} else {
 		if (nls) {
 			for (i = 0, ip = name, op = outname, *outlen = 0;
-			     i < len && *outlen <= 255;
+			     i < len && *outlen <= FAT_LFN_LEN;
 			     *outlen += 1)
 			{
 				if (escape && (*ip == ':')) {
@@ -549,7 +549,7 @@ xlate_to_uni(const unsigned char *name, int len, unsigned char *outname,
 				return -ENAMETOOLONG;
 		} else {
 			for (i = 0, ip = name, op = outname, *outlen = 0;
-			     i < len && *outlen <= 255;
+			     i < len && *outlen <= FAT_LFN_LEN;
 			     i++, *outlen += 1)
 			{
 				*op++ = *ip++;
@@ -701,6 +701,15 @@ static int vfat_find(struct inode *dir, struct qstr *qname,
 	return fat_search_long(dir, qname->name, len, sinfo);
 }
 
+/*
+ * (nfsd's) anonymous disconnected dentry?
+ * NOTE: !IS_ROOT() is not anonymous (I.e. d_splice_alias() did the job).
+ */
+static int vfat_d_anon_disconn(struct dentry *dentry)
+{
+	return IS_ROOT(dentry) && (dentry->d_flags & DCACHE_DISCONNECTED);
+}
+
 static struct dentry *vfat_lookup(struct inode *dir, struct dentry *dentry,
 				  struct nameidata *nd)
 {
@@ -729,11 +738,11 @@ static struct dentry *vfat_lookup(struct inode *dir, struct dentry *dentry,
 	}
 
 	alias = d_find_alias(inode);
-	if (alias && !(alias->d_flags & DCACHE_DISCONNECTED)) {
+	if (alias && !vfat_d_anon_disconn(alias)) {
 		/*
-		 * This inode has non DCACHE_DISCONNECTED dentry. This
-		 * means, the user did ->lookup() by an another name
-		 * (longname vs 8.3 alias of it) in past.
+		 * This inode has non anonymous-DCACHE_DISCONNECTED
+		 * dentry. This means, the user did ->lookup() by an
+		 * another name (longname vs 8.3 alias of it) in past.
 		 *
 		 * Switch to new one for reason of locality if possible.
 		 */
@@ -743,7 +752,9 @@ static struct dentry *vfat_lookup(struct inode *dir, struct dentry *dentry,
 		iput(inode);
 		unlock_super(sb);
 		return alias;
-	}
+	} else
+		dput(alias);
+
 out:
 	unlock_super(sb);
 	dentry->d_op = sb->s_root->d_op;
diff --git a/fs/fcntl.c b/fs/fcntl.c
index 97e01dc0d95f..452d02f9075e 100644
--- a/fs/fcntl.c
+++ b/fs/fcntl.c
@@ -344,7 +344,7 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg,
 	switch (cmd) {
 	case F_DUPFD:
 	case F_DUPFD_CLOEXEC:
-		if (arg >= current->signal->rlim[RLIMIT_NOFILE].rlim_cur)
+		if (arg >= rlimit(RLIMIT_NOFILE))
 			break;
 		err = alloc_fd(arg, cmd == F_DUPFD_CLOEXEC ? O_CLOEXEC : 0);
 		if (err >= 0) {
diff --git a/fs/file.c b/fs/file.c
index 38039af67663..34bb7f71d994 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -257,7 +257,7 @@ int expand_files(struct files_struct *files, int nr)
 	 * N.B. For clone tasks sharing a files structure, this test
 	 * will limit the total number of files that can be opened.
 	 */
-	if (nr >= current->signal->rlim[RLIMIT_NOFILE].rlim_cur)
+	if (nr >= rlimit(RLIMIT_NOFILE))
 		return -EMFILE;
 
 	/* Do we need to expand? */
diff --git a/fs/file_table.c b/fs/file_table.c
index b98404b54383..32d12b78bac8 100644
--- a/fs/file_table.c
+++ b/fs/file_table.c
@@ -393,7 +393,9 @@ retry:
 			continue;
 		if (!(f->f_mode & FMODE_WRITE))
 			continue;
+		spin_lock(&f->f_lock);
 		f->f_mode &= ~FMODE_WRITE;
+		spin_unlock(&f->f_lock);
 		if (file_check_writeable(f) != 0)
 			continue;
 		file_release_write(f);
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 1a7c42c64ff4..76fc4d594acb 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -381,10 +381,10 @@ static void queue_io(struct bdi_writeback *wb, unsigned long *older_than_this)
 	move_expired_inodes(&wb->b_dirty, &wb->b_io, older_than_this);
 }
 
-static int write_inode(struct inode *inode, int sync)
+static int write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	if (inode->i_sb->s_op->write_inode && !is_bad_inode(inode))
-		return inode->i_sb->s_op->write_inode(inode, sync);
+		return inode->i_sb->s_op->write_inode(inode, wbc);
 	return 0;
 }
 
@@ -421,7 +421,6 @@ static int
 writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	struct address_space *mapping = inode->i_mapping;
-	int wait = wbc->sync_mode == WB_SYNC_ALL;
 	unsigned dirty;
 	int ret;
 
@@ -439,7 +438,7 @@ writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
 		 * We'll have another go at writing back this inode when we
 		 * completed a full scan of b_io.
 		 */
-		if (!wait) {
+		if (wbc->sync_mode != WB_SYNC_ALL) {
 			requeue_io(inode);
 			return 0;
 		}
@@ -461,15 +460,20 @@ writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
 
 	ret = do_writepages(mapping, wbc);
 
-	/* Don't write the inode if only I_DIRTY_PAGES was set */
-	if (dirty & (I_DIRTY_SYNC | I_DIRTY_DATASYNC)) {
-		int err = write_inode(inode, wait);
+	/*
+	 * Make sure to wait on the data before writing out the metadata.
+	 * This is important for filesystems that modify metadata on data
+	 * I/O completion.
+	 */
+	if (wbc->sync_mode == WB_SYNC_ALL) {
+		int err = filemap_fdatawait(mapping);
 		if (ret == 0)
 			ret = err;
 	}
 
-	if (wait) {
-		int err = filemap_fdatawait(mapping);
+	/* Don't write the inode if only I_DIRTY_PAGES was set */
+	if (dirty & (I_DIRTY_SYNC | I_DIRTY_DATASYNC)) {
+		int err = write_inode(inode, wbc);
 		if (ret == 0)
 			ret = err;
 	}
diff --git a/fs/fscache/Kconfig b/fs/fscache/Kconfig
index 864dac20a242..cc94bb9563f2 100644
--- a/fs/fscache/Kconfig
+++ b/fs/fscache/Kconfig
@@ -1,7 +1,6 @@
 
 config FSCACHE
 	tristate "General filesystem local caching manager"
-	depends on EXPERIMENTAL
 	select SLOW_WORK
 	help
 	  This option enables a generic filesystem caching manager that can be
diff --git a/fs/fscache/object.c b/fs/fscache/object.c
index e513ac599c8e..0b589a9b4ffc 100644
--- a/fs/fscache/object.c
+++ b/fs/fscache/object.c
@@ -53,7 +53,7 @@ const char fscache_object_states_short[FSCACHE_OBJECT__NSTATES][5] = {
 static void fscache_object_slow_work_put_ref(struct slow_work *);
 static int  fscache_object_slow_work_get_ref(struct slow_work *);
 static void fscache_object_slow_work_execute(struct slow_work *);
-#ifdef CONFIG_SLOW_WORK_PROC
+#ifdef CONFIG_SLOW_WORK_DEBUG
 static void fscache_object_slow_work_desc(struct slow_work *, struct seq_file *);
 #endif
 static void fscache_initialise_object(struct fscache_object *);
@@ -69,7 +69,7 @@ const struct slow_work_ops fscache_object_slow_work_ops = {
 	.get_ref	= fscache_object_slow_work_get_ref,
 	.put_ref	= fscache_object_slow_work_put_ref,
 	.execute	= fscache_object_slow_work_execute,
-#ifdef CONFIG_SLOW_WORK_PROC
+#ifdef CONFIG_SLOW_WORK_DEBUG
 	.desc		= fscache_object_slow_work_desc,
 #endif
 };
@@ -364,7 +364,7 @@ static void fscache_object_slow_work_execute(struct slow_work *work)
 /*
  * describe an object for slow-work debugging
  */
-#ifdef CONFIG_SLOW_WORK_PROC
+#ifdef CONFIG_SLOW_WORK_DEBUG
 static void fscache_object_slow_work_desc(struct slow_work *work,
 					  struct seq_file *m)
 {
diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c
index 313e79a14266..9f6c928d4586 100644
--- a/fs/fscache/operation.c
+++ b/fs/fscache/operation.c
@@ -500,7 +500,7 @@ static void fscache_op_execute(struct slow_work *work)
 /*
  * describe an operation for slow-work debugging
  */
-#ifdef CONFIG_SLOW_WORK_PROC
+#ifdef CONFIG_SLOW_WORK_DEBUG
 static void fscache_op_desc(struct slow_work *work, struct seq_file *m)
 {
 	struct fscache_operation *op =
@@ -517,7 +517,7 @@ const struct slow_work_ops fscache_op_slow_work_ops = {
 	.get_ref	= fscache_op_get_ref,
 	.put_ref	= fscache_op_put_ref,
 	.execute	= fscache_op_execute,
-#ifdef CONFIG_SLOW_WORK_PROC
+#ifdef CONFIG_SLOW_WORK_DEBUG
 	.desc		= fscache_op_desc,
 #endif
 };
diff --git a/fs/fscache/page.c b/fs/fscache/page.c
index c598ea4c4e7d..69809024d71d 100644
--- a/fs/fscache/page.c
+++ b/fs/fscache/page.c
@@ -881,6 +881,7 @@ submit_failed:
 	goto nobufs;
 
 nobufs_unlock_obj:
+	spin_unlock(&cookie->stores_lock);
 	spin_unlock(&object->lock);
 nobufs:
 	spin_unlock(&cookie->lock);
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 51d9e33d634f..eb7e9423691f 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -865,13 +865,10 @@ static int fuse_notify_inval_inode(struct fuse_conn *fc, unsigned int size,
 
 	down_read(&fc->killsb);
 	err = -ENOENT;
-	if (!fc->sb)
-		goto err_unlock;
-
-	err = fuse_reverse_inval_inode(fc->sb, outarg.ino,
-				       outarg.off, outarg.len);
-
-err_unlock:
+	if (fc->sb) {
+		err = fuse_reverse_inval_inode(fc->sb, outarg.ino,
+					       outarg.off, outarg.len);
+	}
 	up_read(&fc->killsb);
 	return err;
 
@@ -884,10 +881,15 @@ static int fuse_notify_inval_entry(struct fuse_conn *fc, unsigned int size,
 				   struct fuse_copy_state *cs)
 {
 	struct fuse_notify_inval_entry_out outarg;
-	int err = -EINVAL;
-	char buf[FUSE_NAME_MAX+1];
+	int err = -ENOMEM;
+	char *buf;
 	struct qstr name;
 
+	buf = kzalloc(FUSE_NAME_MAX + 1, GFP_KERNEL);
+	if (!buf)
+		goto err;
+
+	err = -EINVAL;
 	if (size < sizeof(outarg))
 		goto err;
 
@@ -910,16 +912,14 @@ static int fuse_notify_inval_entry(struct fuse_conn *fc, unsigned int size,
 
 	down_read(&fc->killsb);
 	err = -ENOENT;
-	if (!fc->sb)
-		goto err_unlock;
-
-	err = fuse_reverse_inval_entry(fc->sb, outarg.parent, &name);
-
-err_unlock:
+	if (fc->sb)
+		err = fuse_reverse_inval_entry(fc->sb, outarg.parent, &name);
 	up_read(&fc->killsb);
+	kfree(buf);
 	return err;
 
 err:
+	kfree(buf);
 	fuse_copy_finish(cs);
 	return err;
 }
diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c
index 1a822ce2b24b..ec14d19ce501 100644
--- a/fs/fuse/inode.c
+++ b/fs/fuse/inode.c
@@ -850,7 +850,7 @@ static void fuse_send_init(struct fuse_conn *fc, struct fuse_req *req)
 	req->in.args[0].size = sizeof(*arg);
 	req->in.args[0].value = arg;
 	req->out.numargs = 1;
-	/* Variable length arguement used for backward compatibility
+	/* Variable length argument used for backward compatibility
 	   with interface version < 7.5.  Rest of init_out is zeroed
 	   by do_get_request(), so a short reply is not a problem */
 	req->out.argvar = 1;
diff --git a/fs/gfs2/Kconfig b/fs/gfs2/Kconfig
index 4dcddf83326f..a47b43107112 100644
--- a/fs/gfs2/Kconfig
+++ b/fs/gfs2/Kconfig
@@ -8,7 +8,6 @@ config GFS2_FS
 	select FS_POSIX_ACL
 	select CRC32
 	select SLOW_WORK
-	select QUOTA
 	select QUOTACTL
 	help
 	  A cluster filesystem.
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index 7b8da9415267..0c1d0b82dcf1 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -1061,8 +1061,8 @@ out:
 
 int gfs2_releasepage(struct page *page, gfp_t gfp_mask)
 {
-	struct inode *aspace = page->mapping->host;
-	struct gfs2_sbd *sdp = aspace->i_sb->s_fs_info;
+	struct address_space *mapping = page->mapping;
+	struct gfs2_sbd *sdp = gfs2_mapping2sbd(mapping);
 	struct buffer_head *bh, *head;
 	struct gfs2_bufdata *bd;
 
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index a6abbae8a278..e6dd2aec6f82 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -640,7 +640,7 @@ static int gfs2_lock(struct file *file, int cmd, struct file_lock *fl)
 
 	if (!(fl->fl_flags & FL_POSIX))
 		return -ENOLCK;
-	if (__mandatory_lock(&ip->i_inode))
+	if (__mandatory_lock(&ip->i_inode) && fl->fl_type != F_UNLCK)
 		return -ENOLCK;
 
 	if (cmd == F_CANCELLK) {
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index f42663325931..454d4b4eb36b 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -19,7 +19,6 @@
 #include <linux/list.h>
 #include <linux/wait.h>
 #include <linux/module.h>
-#include <linux/rwsem.h>
 #include <asm/uaccess.h>
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
@@ -60,7 +59,6 @@ static int __dump_glock(struct seq_file *seq, const struct gfs2_glock *gl);
 #define GLOCK_BUG_ON(gl,x) do { if (unlikely(x)) { __dump_glock(NULL, gl); BUG(); } } while(0)
 static void do_xmote(struct gfs2_glock *gl, struct gfs2_holder *gh, unsigned int target);
 
-static DECLARE_RWSEM(gfs2_umount_flush_sem);
 static struct dentry *gfs2_root;
 static struct workqueue_struct *glock_workqueue;
 struct workqueue_struct *gfs2_delete_workqueue;
@@ -154,12 +152,14 @@ static unsigned int gl_hash(const struct gfs2_sbd *sdp,
 static void glock_free(struct gfs2_glock *gl)
 {
 	struct gfs2_sbd *sdp = gl->gl_sbd;
-	struct inode *aspace = gl->gl_aspace;
+	struct address_space *mapping = gfs2_glock2aspace(gl);
+	struct kmem_cache *cachep = gfs2_glock_cachep;
 
-	if (aspace)
-		gfs2_aspace_put(aspace);
+	GLOCK_BUG_ON(gl, mapping && mapping->nrpages);
 	trace_gfs2_glock_put(gl);
-	sdp->sd_lockstruct.ls_ops->lm_put_lock(gfs2_glock_cachep, gl);
+	if (mapping)
+		cachep = gfs2_glock_aspace_cachep;
+	sdp->sd_lockstruct.ls_ops->lm_put_lock(cachep, gl);
 }
 
 /**
@@ -712,7 +712,6 @@ static void glock_work_func(struct work_struct *work)
 		finish_xmote(gl, gl->gl_reply);
 		drop_ref = 1;
 	}
-	down_read(&gfs2_umount_flush_sem);
 	spin_lock(&gl->gl_spin);
 	if (test_and_clear_bit(GLF_PENDING_DEMOTE, &gl->gl_flags) &&
 	    gl->gl_state != LM_ST_UNLOCKED &&
@@ -725,7 +724,6 @@ static void glock_work_func(struct work_struct *work)
 	}
 	run_queue(gl, 0);
 	spin_unlock(&gl->gl_spin);
-	up_read(&gfs2_umount_flush_sem);
 	if (!delay ||
 	    queue_delayed_work(glock_workqueue, &gl->gl_work, delay) == 0)
 		gfs2_glock_put(gl);
@@ -750,10 +748,11 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
 		   const struct gfs2_glock_operations *glops, int create,
 		   struct gfs2_glock **glp)
 {
+	struct super_block *s = sdp->sd_vfs;
 	struct lm_lockname name = { .ln_number = number, .ln_type = glops->go_type };
 	struct gfs2_glock *gl, *tmp;
 	unsigned int hash = gl_hash(sdp, &name);
-	int error;
+	struct address_space *mapping;
 
 	read_lock(gl_lock_addr(hash));
 	gl = search_bucket(hash, sdp, &name);
@@ -765,7 +764,10 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
 	if (!create)
 		return -ENOENT;
 
-	gl = kmem_cache_alloc(gfs2_glock_cachep, GFP_KERNEL);
+	if (glops->go_flags & GLOF_ASPACE)
+		gl = kmem_cache_alloc(gfs2_glock_aspace_cachep, GFP_KERNEL);
+	else
+		gl = kmem_cache_alloc(gfs2_glock_cachep, GFP_KERNEL);
 	if (!gl)
 		return -ENOMEM;
 
@@ -784,18 +786,18 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
 	gl->gl_tchange = jiffies;
 	gl->gl_object = NULL;
 	gl->gl_sbd = sdp;
-	gl->gl_aspace = NULL;
 	INIT_DELAYED_WORK(&gl->gl_work, glock_work_func);
 	INIT_WORK(&gl->gl_delete, delete_work_func);
 
-	/* If this glock protects actual on-disk data or metadata blocks,
-	   create a VFS inode to manage the pages/buffers holding them. */
-	if (glops == &gfs2_inode_glops || glops == &gfs2_rgrp_glops) {
-		gl->gl_aspace = gfs2_aspace_get(sdp);
-		if (!gl->gl_aspace) {
-			error = -ENOMEM;
-			goto fail;
-		}
+	mapping = gfs2_glock2aspace(gl);
+	if (mapping) {
+                mapping->a_ops = &gfs2_meta_aops;
+		mapping->host = s->s_bdev->bd_inode;
+		mapping->flags = 0;
+		mapping_set_gfp_mask(mapping, GFP_NOFS);
+		mapping->assoc_mapping = NULL;
+		mapping->backing_dev_info = s->s_bdi;
+		mapping->writeback_index = 0;
 	}
 
 	write_lock(gl_lock_addr(hash));
@@ -812,10 +814,6 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number,
 	*glp = gl;
 
 	return 0;
-
-fail:
-	kmem_cache_free(gfs2_glock_cachep, gl);
-	return error;
 }
 
 /**
@@ -1510,35 +1508,10 @@ void gfs2_glock_thaw(struct gfs2_sbd *sdp)
 
 void gfs2_gl_hash_clear(struct gfs2_sbd *sdp)
 {
-	unsigned long t;
 	unsigned int x;
-	int cont;
 
-	t = jiffies;
-
-	for (;;) {
-		cont = 0;
-		for (x = 0; x < GFS2_GL_HASH_SIZE; x++) {
-			if (examine_bucket(clear_glock, sdp, x))
-				cont = 1;
-		}
-
-		if (!cont)
-			break;
-
-		if (time_after_eq(jiffies,
-				  t + gfs2_tune_get(sdp, gt_stall_secs) * HZ)) {
-			fs_warn(sdp, "Unmount seems to be stalled. "
-				     "Dumping lock state...\n");
-			gfs2_dump_lockstate(sdp);
-			t = jiffies;
-		}
-
-		down_write(&gfs2_umount_flush_sem);
-		invalidate_inodes(sdp->sd_vfs);
-		up_write(&gfs2_umount_flush_sem);
-		msleep(10);
-	}
+	for (x = 0; x < GFS2_GL_HASH_SIZE; x++)
+		examine_bucket(clear_glock, sdp, x);
 	flush_workqueue(glock_workqueue);
 	wait_event(sdp->sd_glock_wait, atomic_read(&sdp->sd_glock_disposal) == 0);
 	gfs2_dump_lockstate(sdp);
@@ -1685,7 +1658,7 @@ static int __dump_glock(struct seq_file *seq, const struct gfs2_glock *gl)
 	dtime *= 1000000/HZ; /* demote time in uSec */
 	if (!test_bit(GLF_DEMOTE, &gl->gl_flags))
 		dtime = 0;
-	gfs2_print_dbg(seq, "G:  s:%s n:%u/%llu f:%s t:%s d:%s/%llu a:%d r:%d\n",
+	gfs2_print_dbg(seq, "G:  s:%s n:%u/%llx f:%s t:%s d:%s/%llu a:%d r:%d\n",
 		  state2str(gl->gl_state),
 		  gl->gl_name.ln_type,
 		  (unsigned long long)gl->gl_name.ln_number,
diff --git a/fs/gfs2/glock.h b/fs/gfs2/glock.h
index c0262faf4725..2bda1911b156 100644
--- a/fs/gfs2/glock.h
+++ b/fs/gfs2/glock.h
@@ -180,6 +180,13 @@ static inline int gfs2_glock_is_held_shrd(struct gfs2_glock *gl)
 	return gl->gl_state == LM_ST_SHARED;
 }
 
+static inline struct address_space *gfs2_glock2aspace(struct gfs2_glock *gl)
+{
+	if (gl->gl_ops->go_flags & GLOF_ASPACE)
+		return (struct address_space *)(gl + 1);
+	return NULL;
+}
+
 int gfs2_glock_get(struct gfs2_sbd *sdp,
 		   u64 number, const struct gfs2_glock_operations *glops,
 		   int create, struct gfs2_glock **glp);
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 78554acc0605..38e3749d476c 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -87,7 +87,7 @@ static void gfs2_ail_empty_gl(struct gfs2_glock *gl)
 
 static void rgrp_go_sync(struct gfs2_glock *gl)
 {
-	struct address_space *metamapping = gl->gl_aspace->i_mapping;
+	struct address_space *metamapping = gfs2_glock2aspace(gl);
 	int error;
 
 	if (!test_and_clear_bit(GLF_DIRTY, &gl->gl_flags))
@@ -113,7 +113,7 @@ static void rgrp_go_sync(struct gfs2_glock *gl)
 
 static void rgrp_go_inval(struct gfs2_glock *gl, int flags)
 {
-	struct address_space *mapping = gl->gl_aspace->i_mapping;
+	struct address_space *mapping = gfs2_glock2aspace(gl);
 
 	BUG_ON(!(flags & DIO_METADATA));
 	gfs2_assert_withdraw(gl->gl_sbd, !atomic_read(&gl->gl_ail_count));
@@ -134,7 +134,7 @@ static void rgrp_go_inval(struct gfs2_glock *gl, int flags)
 static void inode_go_sync(struct gfs2_glock *gl)
 {
 	struct gfs2_inode *ip = gl->gl_object;
-	struct address_space *metamapping = gl->gl_aspace->i_mapping;
+	struct address_space *metamapping = gfs2_glock2aspace(gl);
 	int error;
 
 	if (ip && !S_ISREG(ip->i_inode.i_mode))
@@ -183,7 +183,7 @@ static void inode_go_inval(struct gfs2_glock *gl, int flags)
 	gfs2_assert_withdraw(gl->gl_sbd, !atomic_read(&gl->gl_ail_count));
 
 	if (flags & DIO_METADATA) {
-		struct address_space *mapping = gl->gl_aspace->i_mapping;
+		struct address_space *mapping = gfs2_glock2aspace(gl);
 		truncate_inode_pages(mapping, 0);
 		if (ip) {
 			set_bit(GIF_INVALID, &ip->i_flags);
@@ -282,7 +282,8 @@ static int inode_go_dump(struct seq_file *seq, const struct gfs2_glock *gl)
 
 static int rgrp_go_demote_ok(const struct gfs2_glock *gl)
 {
-	return !gl->gl_aspace->i_mapping->nrpages;
+	const struct address_space *mapping = (const struct address_space *)(gl + 1);
+	return !mapping->nrpages;
 }
 
 /**
@@ -387,8 +388,7 @@ static void iopen_go_callback(struct gfs2_glock *gl)
 	struct gfs2_inode *ip = (struct gfs2_inode *)gl->gl_object;
 
 	if (gl->gl_demote_state == LM_ST_UNLOCKED &&
-	    gl->gl_state == LM_ST_SHARED &&
-	    ip && test_bit(GIF_USER, &ip->i_flags)) {
+	    gl->gl_state == LM_ST_SHARED && ip) {
 		gfs2_glock_hold(gl);
 		if (queue_work(gfs2_delete_workqueue, &gl->gl_delete) == 0)
 			gfs2_glock_put_nolock(gl);
@@ -407,6 +407,7 @@ const struct gfs2_glock_operations gfs2_inode_glops = {
 	.go_dump = inode_go_dump,
 	.go_type = LM_TYPE_INODE,
 	.go_min_hold_time = HZ / 5,
+	.go_flags = GLOF_ASPACE,
 };
 
 const struct gfs2_glock_operations gfs2_rgrp_glops = {
@@ -418,6 +419,7 @@ const struct gfs2_glock_operations gfs2_rgrp_glops = {
 	.go_dump = gfs2_rgrp_dump,
 	.go_type = LM_TYPE_RGRP,
 	.go_min_hold_time = HZ / 5,
+	.go_flags = GLOF_ASPACE,
 };
 
 const struct gfs2_glock_operations gfs2_trans_glops = {
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
index bc0ad158e6b4..3aac46f6853e 100644
--- a/fs/gfs2/incore.h
+++ b/fs/gfs2/incore.h
@@ -162,6 +162,8 @@ struct gfs2_glock_operations {
 	void (*go_callback) (struct gfs2_glock *gl);
 	const int go_type;
 	const unsigned long go_min_hold_time;
+	const unsigned long go_flags;
+#define GLOF_ASPACE 1
 };
 
 enum {
@@ -225,7 +227,6 @@ struct gfs2_glock {
 
 	struct gfs2_sbd *gl_sbd;
 
-	struct inode *gl_aspace;
 	struct list_head gl_ail_list;
 	atomic_t gl_ail_count;
 	struct delayed_work gl_work;
@@ -258,7 +259,6 @@ enum {
 	GIF_INVALID		= 0,
 	GIF_QD_LOCKED		= 1,
 	GIF_SW_PAGED		= 3,
-	GIF_USER                = 4, /* user inode, not metadata addr space */
 };
 
 
@@ -451,7 +451,6 @@ struct gfs2_tune {
 	unsigned int gt_quota_quantum; /* Secs between syncs to quota file */
 	unsigned int gt_new_files_jdata;
 	unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */
-	unsigned int gt_stall_secs; /* Detects trouble! */
 	unsigned int gt_complain_secs;
 	unsigned int gt_statfs_quantum;
 	unsigned int gt_statfs_slow;
@@ -617,7 +616,7 @@ struct gfs2_sbd {
 	unsigned int sd_log_blks_reserved;
 	unsigned int sd_log_commited_buf;
 	unsigned int sd_log_commited_databuf;
-	unsigned int sd_log_commited_revoke;
+	int sd_log_commited_revoke;
 
 	unsigned int sd_log_num_buf;
 	unsigned int sd_log_num_revoke;
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index 6e220f4eee7d..b1bf2694fb2b 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -45,7 +45,7 @@ static int iget_test(struct inode *inode, void *opaque)
 	struct gfs2_inode *ip = GFS2_I(inode);
 	u64 *no_addr = opaque;
 
-	if (ip->i_no_addr == *no_addr && test_bit(GIF_USER, &ip->i_flags))
+	if (ip->i_no_addr == *no_addr)
 		return 1;
 
 	return 0;
@@ -58,7 +58,6 @@ static int iget_set(struct inode *inode, void *opaque)
 
 	inode->i_ino = (unsigned long)*no_addr;
 	ip->i_no_addr = *no_addr;
-	set_bit(GIF_USER, &ip->i_flags);
 	return 0;
 }
 
@@ -84,7 +83,7 @@ static int iget_skip_test(struct inode *inode, void *opaque)
 	struct gfs2_inode *ip = GFS2_I(inode);
 	struct gfs2_skip_data *data = opaque;
 
-	if (ip->i_no_addr == data->no_addr && test_bit(GIF_USER, &ip->i_flags)){
+	if (ip->i_no_addr == data->no_addr) {
 		if (inode->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE)){
 			data->skipped = 1;
 			return 0;
@@ -103,7 +102,6 @@ static int iget_skip_set(struct inode *inode, void *opaque)
 		return 1;
 	inode->i_ino = (unsigned long)(data->no_addr);
 	ip->i_no_addr = data->no_addr;
-	set_bit(GIF_USER, &ip->i_flags);
 	return 0;
 }
 
diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index 0e5e0e7022e5..569b46240f61 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -30,7 +30,10 @@ static void gdlm_ast(void *arg)
 
 	switch (gl->gl_lksb.sb_status) {
 	case -DLM_EUNLOCK: /* Unlocked, so glock can be freed */
-		kmem_cache_free(gfs2_glock_cachep, gl);
+		if (gl->gl_ops->go_flags & GLOF_ASPACE)
+			kmem_cache_free(gfs2_glock_aspace_cachep, gl);
+		else
+			kmem_cache_free(gfs2_glock_cachep, gl);
 		if (atomic_dec_and_test(&sdp->sd_glock_disposal))
 			wake_up(&sdp->sd_glock_wait);
 		return;
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 4511b08fc451..e5bf4b59d46e 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -417,7 +417,7 @@ static unsigned int calc_reserved(struct gfs2_sbd *sdp)
 	databufhdrs_needed = (sdp->sd_log_commited_databuf +
 			      (dbuf_limit - 1)) / dbuf_limit;
 
-	if (sdp->sd_log_commited_revoke)
+	if (sdp->sd_log_commited_revoke > 0)
 		revokes = gfs2_struct2blk(sdp, sdp->sd_log_commited_revoke,
 					  sizeof(u64));
 
@@ -790,7 +790,6 @@ static void log_refund(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
 	gfs2_assert_withdraw(sdp, (((int)sdp->sd_log_commited_buf) >= 0) ||
 			     (((int)sdp->sd_log_commited_databuf) >= 0));
 	sdp->sd_log_commited_revoke += tr->tr_num_revoke - tr->tr_num_revoke_rm;
-	gfs2_assert_withdraw(sdp, ((int)sdp->sd_log_commited_revoke) >= 0);
 	reserved = calc_reserved(sdp);
 	gfs2_assert_withdraw(sdp, sdp->sd_log_blks_reserved + tr->tr_reserved >= reserved);
 	unused = sdp->sd_log_blks_reserved - reserved + tr->tr_reserved;
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index de97632ba32f..adc260fbea90 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -528,9 +528,9 @@ static void databuf_lo_add(struct gfs2_sbd *sdp, struct gfs2_log_element *le)
 		gfs2_pin(sdp, bd->bd_bh);
 		tr->tr_num_databuf_new++;
 		sdp->sd_log_num_databuf++;
-		list_add(&le->le_list, &sdp->sd_log_le_databuf);
+		list_add_tail(&le->le_list, &sdp->sd_log_le_databuf);
 	} else {
-		list_add(&le->le_list, &sdp->sd_log_le_ordered);
+		list_add_tail(&le->le_list, &sdp->sd_log_le_ordered);
 	}
 out:
 	gfs2_log_unlock(sdp);
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c
index 5b31f7741a8f..a88fadc704bb 100644
--- a/fs/gfs2/main.c
+++ b/fs/gfs2/main.c
@@ -52,6 +52,22 @@ static void gfs2_init_glock_once(void *foo)
 	atomic_set(&gl->gl_ail_count, 0);
 }
 
+static void gfs2_init_gl_aspace_once(void *foo)
+{
+	struct gfs2_glock *gl = foo;
+	struct address_space *mapping = (struct address_space *)(gl + 1);
+
+	gfs2_init_glock_once(gl);
+	memset(mapping, 0, sizeof(*mapping));
+	INIT_RADIX_TREE(&mapping->page_tree, GFP_ATOMIC);
+	spin_lock_init(&mapping->tree_lock);
+	spin_lock_init(&mapping->i_mmap_lock);
+	INIT_LIST_HEAD(&mapping->private_list);
+	spin_lock_init(&mapping->private_lock);
+	INIT_RAW_PRIO_TREE_ROOT(&mapping->i_mmap);
+	INIT_LIST_HEAD(&mapping->i_mmap_nonlinear);
+}
+
 /**
  * init_gfs2_fs - Register GFS2 as a filesystem
  *
@@ -78,6 +94,14 @@ static int __init init_gfs2_fs(void)
 	if (!gfs2_glock_cachep)
 		goto fail;
 
+	gfs2_glock_aspace_cachep = kmem_cache_create("gfs2_glock (aspace)",
+					sizeof(struct gfs2_glock) +
+					sizeof(struct address_space),
+					0, 0, gfs2_init_gl_aspace_once);
+
+	if (!gfs2_glock_aspace_cachep)
+		goto fail;
+
 	gfs2_inode_cachep = kmem_cache_create("gfs2_inode",
 					      sizeof(struct gfs2_inode),
 					      0,  SLAB_RECLAIM_ACCOUNT|
@@ -144,6 +168,9 @@ fail:
 	if (gfs2_inode_cachep)
 		kmem_cache_destroy(gfs2_inode_cachep);
 
+	if (gfs2_glock_aspace_cachep)
+		kmem_cache_destroy(gfs2_glock_aspace_cachep);
+
 	if (gfs2_glock_cachep)
 		kmem_cache_destroy(gfs2_glock_cachep);
 
@@ -169,6 +196,7 @@ static void __exit exit_gfs2_fs(void)
 	kmem_cache_destroy(gfs2_rgrpd_cachep);
 	kmem_cache_destroy(gfs2_bufdata_cachep);
 	kmem_cache_destroy(gfs2_inode_cachep);
+	kmem_cache_destroy(gfs2_glock_aspace_cachep);
 	kmem_cache_destroy(gfs2_glock_cachep);
 
 	gfs2_sys_uninit();
diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c
index 6f68a5f18eb8..0bb12c80937a 100644
--- a/fs/gfs2/meta_io.c
+++ b/fs/gfs2/meta_io.c
@@ -93,49 +93,13 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb
 	return err;
 }
 
-static const struct address_space_operations aspace_aops = {
+const struct address_space_operations gfs2_meta_aops = {
 	.writepage = gfs2_aspace_writepage,
 	.releasepage = gfs2_releasepage,
 	.sync_page = block_sync_page,
 };
 
 /**
- * gfs2_aspace_get - Create and initialize a struct inode structure
- * @sdp: the filesystem the aspace is in
- *
- * Right now a struct inode is just a struct inode.  Maybe Linux
- * will supply a more lightweight address space construct (that works)
- * in the future.
- *
- * Make sure pages/buffers in this aspace aren't in high memory.
- *
- * Returns: the aspace
- */
-
-struct inode *gfs2_aspace_get(struct gfs2_sbd *sdp)
-{
-	struct inode *aspace;
-	struct gfs2_inode *ip;
-
-	aspace = new_inode(sdp->sd_vfs);
-	if (aspace) {
-		mapping_set_gfp_mask(aspace->i_mapping, GFP_NOFS);
-		aspace->i_mapping->a_ops = &aspace_aops;
-		aspace->i_size = MAX_LFS_FILESIZE;
-		ip = GFS2_I(aspace);
-		clear_bit(GIF_USER, &ip->i_flags);
-		insert_inode_hash(aspace);
-	}
-	return aspace;
-}
-
-void gfs2_aspace_put(struct inode *aspace)
-{
-	remove_inode_hash(aspace);
-	iput(aspace);
-}
-
-/**
  * gfs2_meta_sync - Sync all buffers associated with a glock
  * @gl: The glock
  *
@@ -143,7 +107,7 @@ void gfs2_aspace_put(struct inode *aspace)
 
 void gfs2_meta_sync(struct gfs2_glock *gl)
 {
-	struct address_space *mapping = gl->gl_aspace->i_mapping;
+	struct address_space *mapping = gfs2_glock2aspace(gl);
 	int error;
 
 	filemap_fdatawrite(mapping);
@@ -164,7 +128,7 @@ void gfs2_meta_sync(struct gfs2_glock *gl)
 
 struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno, int create)
 {
-	struct address_space *mapping = gl->gl_aspace->i_mapping;
+	struct address_space *mapping = gfs2_glock2aspace(gl);
 	struct gfs2_sbd *sdp = gl->gl_sbd;
 	struct page *page;
 	struct buffer_head *bh;
@@ -344,8 +308,10 @@ void gfs2_attach_bufdata(struct gfs2_glock *gl, struct buffer_head *bh,
 
 void gfs2_remove_from_journal(struct buffer_head *bh, struct gfs2_trans *tr, int meta)
 {
-	struct gfs2_sbd *sdp = GFS2_SB(bh->b_page->mapping->host);
+	struct address_space *mapping = bh->b_page->mapping;
+	struct gfs2_sbd *sdp = gfs2_mapping2sbd(mapping);
 	struct gfs2_bufdata *bd = bh->b_private;
+
 	if (test_clear_buffer_pinned(bh)) {
 		list_del_init(&bd->bd_le.le_list);
 		if (meta) {
diff --git a/fs/gfs2/meta_io.h b/fs/gfs2/meta_io.h
index de270c2f9b63..6a1d9ba16411 100644
--- a/fs/gfs2/meta_io.h
+++ b/fs/gfs2/meta_io.h
@@ -37,8 +37,16 @@ static inline void gfs2_buffer_copy_tail(struct buffer_head *to_bh,
 	       0, from_head - to_head);
 }
 
-struct inode *gfs2_aspace_get(struct gfs2_sbd *sdp);
-void gfs2_aspace_put(struct inode *aspace);
+extern const struct address_space_operations gfs2_meta_aops;
+
+static inline struct gfs2_sbd *gfs2_mapping2sbd(struct address_space *mapping)
+{
+	struct inode *inode = mapping->host;
+	if (mapping->a_ops == &gfs2_meta_aops)
+		return (((struct gfs2_glock *)mapping) - 1)->gl_sbd;
+	else
+		return inode->i_sb->s_fs_info;
+}
 
 void gfs2_meta_sync(struct gfs2_glock *gl);
 
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index a86ed6381566..c1309ed1c496 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -65,7 +65,6 @@ static void gfs2_tune_init(struct gfs2_tune *gt)
 	gt->gt_quota_scale_den = 1;
 	gt->gt_new_files_jdata = 0;
 	gt->gt_max_readahead = 1 << 18;
-	gt->gt_stall_secs = 600;
 	gt->gt_complain_secs = 10;
 }
 
@@ -1002,7 +1001,7 @@ static const struct lm_lockops nolock_ops = {
 /**
  * gfs2_lm_mount - mount a locking protocol
  * @sdp: the filesystem
- * @args: mount arguements
+ * @args: mount arguments
  * @silent: if 1, don't complain if the FS isn't a GFS2 fs
  *
  * Returns: errno
@@ -1241,10 +1240,9 @@ fail_sb:
 fail_locking:
 	init_locking(sdp, &mount_gh, UNDO);
 fail_lm:
+	invalidate_inodes(sb);
 	gfs2_gl_hash_clear(sdp);
 	gfs2_lm_unmount(sdp);
-	while (invalidate_inodes(sb))
-		yield();
 fail_sys:
 	gfs2_sys_fs_del(sdp);
 fail:
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index 84350e1be66d..4e64352d49de 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -976,122 +976,62 @@ out:
 }
 
 /**
- * gfs2_readlinki - return the contents of a symlink
- * @ip: the symlink's inode
- * @buf: a pointer to the buffer to be filled
- * @len: a pointer to the length of @buf
+ * gfs2_follow_link - Follow a symbolic link
+ * @dentry: The dentry of the link
+ * @nd: Data that we pass to vfs_follow_link()
  *
- * If @buf is too small, a piece of memory is kmalloc()ed and needs
- * to be freed by the caller.
+ * This can handle symlinks of any size.
  *
- * Returns: errno
+ * Returns: 0 on success or error code
  */
 
-static int gfs2_readlinki(struct gfs2_inode *ip, char **buf, unsigned int *len)
+static void *gfs2_follow_link(struct dentry *dentry, struct nameidata *nd)
 {
+	struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
 	struct gfs2_holder i_gh;
 	struct buffer_head *dibh;
 	unsigned int x;
+	char *buf;
 	int error;
 
 	gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &i_gh);
 	error = gfs2_glock_nq(&i_gh);
 	if (error) {
 		gfs2_holder_uninit(&i_gh);
-		return error;
+		nd_set_link(nd, ERR_PTR(error));
+		return NULL;
 	}
 
 	if (!ip->i_disksize) {
 		gfs2_consist_inode(ip);
-		error = -EIO;
+		buf = ERR_PTR(-EIO);
 		goto out;
 	}
 
 	error = gfs2_meta_inode_buffer(ip, &dibh);
-	if (error)
+	if (error) {
+		buf = ERR_PTR(error);
 		goto out;
-
-	x = ip->i_disksize + 1;
-	if (x > *len) {
-		*buf = kmalloc(x, GFP_NOFS);
-		if (!*buf) {
-			error = -ENOMEM;
-			goto out_brelse;
-		}
 	}
 
-	memcpy(*buf, dibh->b_data + sizeof(struct gfs2_dinode), x);
-	*len = x;
-
-out_brelse:
+	x = ip->i_disksize + 1;
+	buf = kmalloc(x, GFP_NOFS);
+	if (!buf)
+		buf = ERR_PTR(-ENOMEM);
+	else
+		memcpy(buf, dibh->b_data + sizeof(struct gfs2_dinode), x);
 	brelse(dibh);
 out:
 	gfs2_glock_dq_uninit(&i_gh);
-	return error;
-}
-
-/**
- * gfs2_readlink - Read the value of a symlink
- * @dentry: the symlink
- * @buf: the buffer to read the symlink data into
- * @size: the size of the buffer
- *
- * Returns: errno
- */
-
-static int gfs2_readlink(struct dentry *dentry, char __user *user_buf,
-			 int user_size)
-{
-	struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
-	char array[GFS2_FAST_NAME_SIZE], *buf = array;
-	unsigned int len = GFS2_FAST_NAME_SIZE;
-	int error;
-
-	error = gfs2_readlinki(ip, &buf, &len);
-	if (error)
-		return error;
-
-	if (user_size > len - 1)
-		user_size = len - 1;
-
-	if (copy_to_user(user_buf, buf, user_size))
-		error = -EFAULT;
-	else
-		error = user_size;
-
-	if (buf != array)
-		kfree(buf);
-
-	return error;
+	nd_set_link(nd, buf);
+	return NULL;
 }
 
-/**
- * gfs2_follow_link - Follow a symbolic link
- * @dentry: The dentry of the link
- * @nd: Data that we pass to vfs_follow_link()
- *
- * This can handle symlinks of any size. It is optimised for symlinks
- * under GFS2_FAST_NAME_SIZE.
- *
- * Returns: 0 on success or error code
- */
-
-static void *gfs2_follow_link(struct dentry *dentry, struct nameidata *nd)
+static void gfs2_put_link(struct dentry *dentry, struct nameidata *nd, void *p)
 {
-	struct gfs2_inode *ip = GFS2_I(dentry->d_inode);
-	char array[GFS2_FAST_NAME_SIZE], *buf = array;
-	unsigned int len = GFS2_FAST_NAME_SIZE;
-	int error;
-
-	error = gfs2_readlinki(ip, &buf, &len);
-	if (!error) {
-		error = vfs_follow_link(nd, buf);
-		if (buf != array)
-			kfree(buf);
-	} else
-		path_put(&nd->path);
-
-	return ERR_PTR(error);
+	char *s = nd_get_link(nd);
+	if (!IS_ERR(s))
+		kfree(s);
 }
 
 /**
@@ -1426,8 +1366,9 @@ const struct inode_operations gfs2_dir_iops = {
 };
 
 const struct inode_operations gfs2_symlink_iops = {
-	.readlink = gfs2_readlink,
+	.readlink = generic_readlink,
 	.follow_link = gfs2_follow_link,
+	.put_link = gfs2_put_link,
 	.permission = gfs2_permission,
 	.setattr = gfs2_setattr,
 	.getattr = gfs2_getattr,
diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c
index e3bf6eab8750..6dbcbad6ab17 100644
--- a/fs/gfs2/quota.c
+++ b/fs/gfs2/quota.c
@@ -1083,7 +1083,7 @@ void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
 	}
 }
 
-int gfs2_quota_sync(struct super_block *sb, int type)
+int gfs2_quota_sync(struct super_block *sb, int type, int wait)
 {
 	struct gfs2_sbd *sdp = sb->s_fs_info;
 	struct gfs2_quota_data **qda;
@@ -1127,6 +1127,11 @@ int gfs2_quota_sync(struct super_block *sb, int type)
 	return error;
 }
 
+static int gfs2_quota_sync_timeo(struct super_block *sb, int type)
+{
+	return gfs2_quota_sync(sb, type, 0);
+}
+
 int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id)
 {
 	struct gfs2_quota_data *qd;
@@ -1382,7 +1387,7 @@ int gfs2_quotad(void *data)
 					   &tune->gt_statfs_quantum);
 
 		/* Update quota file */
-		quotad_check_timeo(sdp, "sync", gfs2_quota_sync, t,
+		quotad_check_timeo(sdp, "sync", gfs2_quota_sync_timeo, t,
 				   &quotad_timeo, &tune->gt_quota_quantum);
 
 		/* Check for & recover partially truncated inodes */
diff --git a/fs/gfs2/quota.h b/fs/gfs2/quota.h
index e271fa07ad02..195f60c8bd14 100644
--- a/fs/gfs2/quota.h
+++ b/fs/gfs2/quota.h
@@ -25,7 +25,7 @@ extern int gfs2_quota_check(struct gfs2_inode *ip, u32 uid, u32 gid);
 extern void gfs2_quota_change(struct gfs2_inode *ip, s64 change,
 			      u32 uid, u32 gid);
 
-extern int gfs2_quota_sync(struct super_block *sb, int type);
+extern int gfs2_quota_sync(struct super_block *sb, int type, int wait);
 extern int gfs2_quota_refresh(struct gfs2_sbd *sdp, int user, u32 id);
 
 extern int gfs2_quota_init(struct gfs2_sbd *sdp);
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index b9dd3da22c0a..50aac606b990 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -22,6 +22,7 @@
 #include <linux/crc32.h>
 #include <linux/time.h>
 #include <linux/wait.h>
+#include <linux/writeback.h>
 
 #include "gfs2.h"
 #include "incore.h"
@@ -711,7 +712,7 @@ void gfs2_unfreeze_fs(struct gfs2_sbd *sdp)
  * Returns: errno
  */
 
-static int gfs2_write_inode(struct inode *inode, int sync)
+static int gfs2_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	struct gfs2_inode *ip = GFS2_I(inode);
 	struct gfs2_sbd *sdp = GFS2_SB(inode);
@@ -722,8 +723,7 @@ static int gfs2_write_inode(struct inode *inode, int sync)
 	int ret = 0;
 
 	/* Check this is a "normal" inode, etc */
-	if (!test_bit(GIF_USER, &ip->i_flags) ||
-	    (current->flags & PF_MEMALLOC))
+	if (current->flags & PF_MEMALLOC)
 		return 0;
 	ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
 	if (ret)
@@ -746,7 +746,7 @@ static int gfs2_write_inode(struct inode *inode, int sync)
 do_unlock:
 	gfs2_glock_dq_uninit(&gh);
 do_flush:
-	if (sync != 0)
+	if (wbc->sync_mode == WB_SYNC_ALL)
 		gfs2_log_flush(GFS2_SB(inode), ip->i_gl);
 	return ret;
 }
@@ -764,7 +764,7 @@ static int gfs2_make_fs_ro(struct gfs2_sbd *sdp)
 	int error;
 
 	flush_workqueue(gfs2_delete_workqueue);
-	gfs2_quota_sync(sdp->sd_vfs, 0);
+	gfs2_quota_sync(sdp->sd_vfs, 0, 1);
 	gfs2_statfs_sync(sdp->sd_vfs, 0);
 
 	error = gfs2_glock_nq_init(sdp->sd_trans_gl, LM_ST_SHARED, GL_NOCACHE,
@@ -860,6 +860,7 @@ restart:
 	gfs2_clear_rgrpd(sdp);
 	gfs2_jindex_free(sdp);
 	/*  Take apart glock structures and buffer lists  */
+	invalidate_inodes(sdp->sd_vfs);
 	gfs2_gl_hash_clear(sdp);
 	/*  Unmount the locking protocol  */
 	gfs2_lm_unmount(sdp);
@@ -1194,7 +1195,7 @@ static void gfs2_drop_inode(struct inode *inode)
 {
 	struct gfs2_inode *ip = GFS2_I(inode);
 
-	if (test_bit(GIF_USER, &ip->i_flags) && inode->i_nlink) {
+	if (inode->i_nlink) {
 		struct gfs2_glock *gl = ip->i_iopen_gh.gh_gl;
 		if (gl && test_bit(GLF_DEMOTE, &gl->gl_flags))
 			clear_nlink(inode);
@@ -1212,18 +1213,12 @@ static void gfs2_clear_inode(struct inode *inode)
 {
 	struct gfs2_inode *ip = GFS2_I(inode);
 
-	/* This tells us its a "real" inode and not one which only
-	 * serves to contain an address space (see rgrp.c, meta_io.c)
-	 * which therefore doesn't have its own glocks.
-	 */
-	if (test_bit(GIF_USER, &ip->i_flags)) {
-		ip->i_gl->gl_object = NULL;
-		gfs2_glock_put(ip->i_gl);
-		ip->i_gl = NULL;
-		if (ip->i_iopen_gh.gh_gl) {
-			ip->i_iopen_gh.gh_gl->gl_object = NULL;
-			gfs2_glock_dq_uninit(&ip->i_iopen_gh);
-		}
+	ip->i_gl->gl_object = NULL;
+	gfs2_glock_put(ip->i_gl);
+	ip->i_gl = NULL;
+	if (ip->i_iopen_gh.gh_gl) {
+		ip->i_iopen_gh.gh_gl->gl_object = NULL;
+		gfs2_glock_dq_uninit(&ip->i_iopen_gh);
 	}
 }
 
@@ -1358,9 +1353,6 @@ static void gfs2_delete_inode(struct inode *inode)
 	struct gfs2_holder gh;
 	int error;
 
-	if (!test_bit(GIF_USER, &ip->i_flags))
-		goto out;
-
 	error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
 	if (unlikely(error)) {
 		gfs2_glock_dq_uninit(&ip->i_iopen_gh);
diff --git a/fs/gfs2/sys.c b/fs/gfs2/sys.c
index 0dc34621f6a6..419042f7f0b6 100644
--- a/fs/gfs2/sys.c
+++ b/fs/gfs2/sys.c
@@ -49,7 +49,7 @@ static ssize_t gfs2_attr_store(struct kobject *kobj, struct attribute *attr,
 	return a->store ? a->store(sdp, buf, len) : len;
 }
 
-static struct sysfs_ops gfs2_attr_ops = {
+static const struct sysfs_ops gfs2_attr_ops = {
 	.show  = gfs2_attr_show,
 	.store = gfs2_attr_store,
 };
@@ -167,7 +167,7 @@ static ssize_t quota_sync_store(struct gfs2_sbd *sdp, const char *buf,
 	if (simple_strtol(buf, NULL, 0) != 1)
 		return -EINVAL;
 
-	gfs2_quota_sync(sdp->sd_vfs, 0);
+	gfs2_quota_sync(sdp->sd_vfs, 0, 1);
 	return len;
 }
 
@@ -478,7 +478,6 @@ TUNE_ATTR(complain_secs, 0);
 TUNE_ATTR(statfs_slow, 0);
 TUNE_ATTR(new_files_jdata, 0);
 TUNE_ATTR(quota_simul_sync, 1);
-TUNE_ATTR(stall_secs, 1);
 TUNE_ATTR(statfs_quantum, 1);
 TUNE_ATTR_3(quota_scale, quota_scale_show, quota_scale_store);
 
@@ -491,7 +490,6 @@ static struct attribute *tune_attrs[] = {
 	&tune_attr_complain_secs.attr,
 	&tune_attr_statfs_slow.attr,
 	&tune_attr_quota_simul_sync.attr,
-	&tune_attr_stall_secs.attr,
 	&tune_attr_statfs_quantum.attr,
 	&tune_attr_quota_scale.attr,
 	&tune_attr_new_files_jdata.attr,
@@ -576,7 +574,7 @@ static int gfs2_uevent(struct kset *kset, struct kobject *kobj,
 	return 0;
 }
 
-static struct kset_uevent_ops gfs2_uevent_ops = {
+static const struct kset_uevent_ops gfs2_uevent_ops = {
 	.uevent = gfs2_uevent,
 };
 
diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c
index f6a7efa34eb9..226f2bfbf16a 100644
--- a/fs/gfs2/util.c
+++ b/fs/gfs2/util.c
@@ -21,6 +21,7 @@
 #include "util.h"
 
 struct kmem_cache *gfs2_glock_cachep __read_mostly;
+struct kmem_cache *gfs2_glock_aspace_cachep __read_mostly;
 struct kmem_cache *gfs2_inode_cachep __read_mostly;
 struct kmem_cache *gfs2_bufdata_cachep __read_mostly;
 struct kmem_cache *gfs2_rgrpd_cachep __read_mostly;
diff --git a/fs/gfs2/util.h b/fs/gfs2/util.h
index 33e96b0ce9ab..b432e04600de 100644
--- a/fs/gfs2/util.h
+++ b/fs/gfs2/util.h
@@ -145,6 +145,7 @@ gfs2_io_error_bh_i((sdp), (bh), __func__, __FILE__, __LINE__);
 
 
 extern struct kmem_cache *gfs2_glock_cachep;
+extern struct kmem_cache *gfs2_glock_aspace_cachep;
 extern struct kmem_cache *gfs2_inode_cachep;
 extern struct kmem_cache *gfs2_bufdata_cachep;
 extern struct kmem_cache *gfs2_rgrpd_cachep;
diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h
index 052387e11671..fe35e3b626c4 100644
--- a/fs/hfs/hfs_fs.h
+++ b/fs/hfs/hfs_fs.h
@@ -188,7 +188,7 @@ extern const struct address_space_operations hfs_btree_aops;
 
 extern struct inode *hfs_new_inode(struct inode *, struct qstr *, int);
 extern void hfs_inode_write_fork(struct inode *, struct hfs_extent *, __be32 *, __be32 *);
-extern int hfs_write_inode(struct inode *, int);
+extern int hfs_write_inode(struct inode *, struct writeback_control *);
 extern int hfs_inode_setattr(struct dentry *, struct iattr *);
 extern void hfs_inode_read_fork(struct inode *inode, struct hfs_extent *ext,
 			__be32 log_size, __be32 phys_size, u32 clump_size);
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index a1cbff2b4d99..14f5cb1b9fdc 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -381,7 +381,7 @@ void hfs_inode_write_fork(struct inode *inode, struct hfs_extent *ext,
 					 HFS_SB(inode->i_sb)->alloc_blksz);
 }
 
-int hfs_write_inode(struct inode *inode, int unused)
+int hfs_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	struct inode *main_inode = inode;
 	struct hfs_find_data fd;
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index 43022f3d5148..74b473a8ef92 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -87,7 +87,8 @@ bad_inode:
 	return ERR_PTR(err);
 }
 
-static int hfsplus_write_inode(struct inode *inode, int unused)
+static int hfsplus_write_inode(struct inode *inode,
+		struct writeback_control *wbc)
 {
 	struct hfsplus_vh *vhdr;
 	int ret = 0;
diff --git a/fs/hpfs/anode.c b/fs/hpfs/anode.c
index 1aa88c4e0964..6a2f04bf3df0 100644
--- a/fs/hpfs/anode.c
+++ b/fs/hpfs/anode.c
@@ -353,7 +353,7 @@ int hpfs_ea_read(struct super_block *s, secno a, int ano, unsigned pos,
 }
 
 int hpfs_ea_write(struct super_block *s, secno a, int ano, unsigned pos,
-	     unsigned len, char *buf)
+	     unsigned len, const char *buf)
 {
 	struct buffer_head *bh;
 	char *data;
diff --git a/fs/hpfs/dentry.c b/fs/hpfs/dentry.c
index 940d6d150bee..67d9d36b3d5f 100644
--- a/fs/hpfs/dentry.c
+++ b/fs/hpfs/dentry.c
@@ -20,8 +20,8 @@ static int hpfs_hash_dentry(struct dentry *dentry, struct qstr *qstr)
 
 	if (l == 1) if (qstr->name[0]=='.') goto x;
 	if (l == 2) if (qstr->name[0]=='.' || qstr->name[1]=='.') goto x;
-	hpfs_adjust_length((char *)qstr->name, &l);
-	/*if (hpfs_chk_name((char *)qstr->name,&l))*/
+	hpfs_adjust_length(qstr->name, &l);
+	/*if (hpfs_chk_name(qstr->name,&l))*/
 		/*return -ENAMETOOLONG;*/
 		/*return -ENOENT;*/
 	x:
@@ -38,14 +38,16 @@ static int hpfs_compare_dentry(struct dentry *dentry, struct qstr *a, struct qst
 {
 	unsigned al=a->len;
 	unsigned bl=b->len;
-	hpfs_adjust_length((char *)a->name, &al);
-	/*hpfs_adjust_length((char *)b->name, &bl);*/
+	hpfs_adjust_length(a->name, &al);
+	/*hpfs_adjust_length(b->name, &bl);*/
 	/* 'a' is the qstr of an already existing dentry, so the name
 	 * must be valid. 'b' must be validated first.
 	 */
 
-	if (hpfs_chk_name((char *)b->name, &bl)) return 1;
-	if (hpfs_compare_names(dentry->d_sb, (char *)a->name, al, (char *)b->name, bl, 0)) return 1;
+	if (hpfs_chk_name(b->name, &bl))
+		return 1;
+	if (hpfs_compare_names(dentry->d_sb, a->name, al, b->name, bl, 0))
+		return 1;
 	return 0;
 }
 
diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c
index 8865c94f55f6..26e3964a4b8c 100644
--- a/fs/hpfs/dir.c
+++ b/fs/hpfs/dir.c
@@ -59,7 +59,7 @@ static int hpfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 	struct hpfs_dirent *de;
 	int lc;
 	long old_pos;
-	char *tempname;
+	unsigned char *tempname;
 	int c1, c2 = 0;
 	int ret = 0;
 
@@ -158,11 +158,11 @@ static int hpfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 		tempname = hpfs_translate_name(inode->i_sb, de->name, de->namelen, lc, de->not_8x3);
 		if (filldir(dirent, tempname, de->namelen, old_pos, de->fnode, DT_UNKNOWN) < 0) {
 			filp->f_pos = old_pos;
-			if (tempname != (char *)de->name) kfree(tempname);
+			if (tempname != de->name) kfree(tempname);
 			hpfs_brelse4(&qbh);
 			goto out;
 		}
-		if (tempname != (char *)de->name) kfree(tempname);
+		if (tempname != de->name) kfree(tempname);
 		hpfs_brelse4(&qbh);
 	}
 out:
@@ -187,7 +187,7 @@ out:
 
 struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
 {
-	const char *name = dentry->d_name.name;
+	const unsigned char *name = dentry->d_name.name;
 	unsigned len = dentry->d_name.len;
 	struct quad_buffer_head qbh;
 	struct hpfs_dirent *de;
@@ -197,7 +197,7 @@ struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, struct name
 	struct hpfs_inode_info *hpfs_result;
 
 	lock_kernel();
-	if ((err = hpfs_chk_name((char *)name, &len))) {
+	if ((err = hpfs_chk_name(name, &len))) {
 		if (err == -ENAMETOOLONG) {
 			unlock_kernel();
 			return ERR_PTR(-ENAMETOOLONG);
@@ -209,7 +209,7 @@ struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, struct name
 	 * '.' and '..' will never be passed here.
 	 */
 
-	de = map_dirent(dir, hpfs_i(dir)->i_dno, (char *) name, len, NULL, &qbh);
+	de = map_dirent(dir, hpfs_i(dir)->i_dno, name, len, NULL, &qbh);
 
 	/*
 	 * This is not really a bailout, just means file not found.
@@ -250,7 +250,7 @@ struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, struct name
 	hpfs_result = hpfs_i(result);
 	if (!de->directory) hpfs_result->i_parent_dir = dir->i_ino;
 
-	hpfs_decide_conv(result, (char *)name, len);
+	hpfs_decide_conv(result, name, len);
 
 	if (de->has_acl || de->has_xtd_perm) if (!(dir->i_sb->s_flags & MS_RDONLY)) {
 		hpfs_error(result->i_sb, "ACLs or XPERM found. This is probably HPFS386. This driver doesn't support it now. Send me some info on these structures");
diff --git a/fs/hpfs/dnode.c b/fs/hpfs/dnode.c
index fe83c2b7d2d8..9b2ffadfc8c4 100644
--- a/fs/hpfs/dnode.c
+++ b/fs/hpfs/dnode.c
@@ -158,7 +158,8 @@ static void set_last_pointer(struct super_block *s, struct dnode *d, dnode_secno
 
 /* Add an entry to dnode and don't care if it grows over 2048 bytes */
 
-struct hpfs_dirent *hpfs_add_de(struct super_block *s, struct dnode *d, unsigned char *name,
+struct hpfs_dirent *hpfs_add_de(struct super_block *s, struct dnode *d,
+				const unsigned char *name,
 				unsigned namelen, secno down_ptr)
 {
 	struct hpfs_dirent *de;
@@ -223,7 +224,7 @@ static void fix_up_ptrs(struct super_block *s, struct dnode *d)
 /* Add an entry to dnode and do dnode splitting if required */
 
 static int hpfs_add_to_dnode(struct inode *i, dnode_secno dno,
-			     unsigned char *name, unsigned namelen,
+			     const unsigned char *name, unsigned namelen,
 			     struct hpfs_dirent *new_de, dnode_secno down_ptr)
 {
 	struct quad_buffer_head qbh, qbh1, qbh2;
@@ -231,7 +232,7 @@ static int hpfs_add_to_dnode(struct inode *i, dnode_secno dno,
 	dnode_secno adno, rdno;
 	struct hpfs_dirent *de;
 	struct hpfs_dirent nde;
-	char *nname;
+	unsigned char *nname;
 	int h;
 	int pos;
 	struct buffer_head *bh;
@@ -305,7 +306,9 @@ static int hpfs_add_to_dnode(struct inode *i, dnode_secno dno,
 		pos++;
 	}
 	copy_de(new_de = &nde, de);
-	memcpy(name = nname, de->name, namelen = de->namelen);
+	memcpy(nname, de->name, de->namelen);
+	name = nname;
+	namelen = de->namelen;
 	for_all_poss(i, hpfs_pos_subst, ((loff_t)dno << 4) | pos, 4);
 	down_ptr = adno;
 	set_last_pointer(i->i_sb, ad, de->down ? de_down_pointer(de) : 0);
@@ -368,7 +371,8 @@ static int hpfs_add_to_dnode(struct inode *i, dnode_secno dno,
  * I hope, now it's finally bug-free.
  */
 
-int hpfs_add_dirent(struct inode *i, unsigned char *name, unsigned namelen,
+int hpfs_add_dirent(struct inode *i,
+		    const unsigned char *name, unsigned namelen,
 		    struct hpfs_dirent *new_de, int cdepth)
 {
 	struct hpfs_inode_info *hpfs_inode = hpfs_i(i);
@@ -897,7 +901,8 @@ struct hpfs_dirent *map_pos_dirent(struct inode *inode, loff_t *posp,
 
 /* Find a dirent in tree */
 
-struct hpfs_dirent *map_dirent(struct inode *inode, dnode_secno dno, char *name, unsigned len,
+struct hpfs_dirent *map_dirent(struct inode *inode, dnode_secno dno,
+			       const unsigned char *name, unsigned len,
 			       dnode_secno *dd, struct quad_buffer_head *qbh)
 {
 	struct dnode *dnode;
@@ -988,8 +993,8 @@ void hpfs_remove_dtree(struct super_block *s, dnode_secno dno)
 struct hpfs_dirent *map_fnode_dirent(struct super_block *s, fnode_secno fno,
 				     struct fnode *f, struct quad_buffer_head *qbh)
 {
-	char *name1;
-	char *name2;
+	unsigned char *name1;
+	unsigned char *name2;
 	int name1len, name2len;
 	struct dnode *d;
 	dnode_secno dno, downd;
diff --git a/fs/hpfs/ea.c b/fs/hpfs/ea.c
index 547a8384571f..45e53d972b42 100644
--- a/fs/hpfs/ea.c
+++ b/fs/hpfs/ea.c
@@ -62,8 +62,8 @@ static char *get_indirect_ea(struct super_block *s, int ano, secno a, int size)
 	return ret;
 }
 
-static void set_indirect_ea(struct super_block *s, int ano, secno a, char *data,
-			    int size)
+static void set_indirect_ea(struct super_block *s, int ano, secno a,
+			    const char *data, int size)
 {
 	hpfs_ea_write(s, a, ano, 0, size, data);
 }
@@ -186,7 +186,8 @@ char *hpfs_get_ea(struct super_block *s, struct fnode *fnode, char *key, int *si
  * This driver can't change sizes of eas ('cause I just don't need it).
  */
 
-void hpfs_set_ea(struct inode *inode, struct fnode *fnode, char *key, char *data, int size)
+void hpfs_set_ea(struct inode *inode, struct fnode *fnode, const char *key,
+		 const char *data, int size)
 {
 	fnode_secno fno = inode->i_ino;
 	struct super_block *s = inode->i_sb;
diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index 701ca54c0867..97bf738cd5d6 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -215,7 +215,7 @@ secno hpfs_bplus_lookup(struct super_block *, struct inode *, struct bplus_heade
 secno hpfs_add_sector_to_btree(struct super_block *, secno, int, unsigned);
 void hpfs_remove_btree(struct super_block *, struct bplus_header *);
 int hpfs_ea_read(struct super_block *, secno, int, unsigned, unsigned, char *);
-int hpfs_ea_write(struct super_block *, secno, int, unsigned, unsigned, char *);
+int hpfs_ea_write(struct super_block *, secno, int, unsigned, unsigned, const char *);
 void hpfs_ea_remove(struct super_block *, secno, int, unsigned);
 void hpfs_truncate_btree(struct super_block *, secno, int, unsigned);
 void hpfs_remove_fnode(struct super_block *, fnode_secno fno);
@@ -244,13 +244,17 @@ extern const struct file_operations hpfs_dir_ops;
 
 void hpfs_add_pos(struct inode *, loff_t *);
 void hpfs_del_pos(struct inode *, loff_t *);
-struct hpfs_dirent *hpfs_add_de(struct super_block *, struct dnode *, unsigned char *, unsigned, secno);
-int hpfs_add_dirent(struct inode *, unsigned char *, unsigned, struct hpfs_dirent *, int);
+struct hpfs_dirent *hpfs_add_de(struct super_block *, struct dnode *,
+				const unsigned char *, unsigned, secno);
+int hpfs_add_dirent(struct inode *, const unsigned char *, unsigned,
+		    struct hpfs_dirent *, int);
 int hpfs_remove_dirent(struct inode *, dnode_secno, struct hpfs_dirent *, struct quad_buffer_head *, int);
 void hpfs_count_dnodes(struct super_block *, dnode_secno, int *, int *, int *);
 dnode_secno hpfs_de_as_down_as_possible(struct super_block *, dnode_secno dno);
 struct hpfs_dirent *map_pos_dirent(struct inode *, loff_t *, struct quad_buffer_head *);
-struct hpfs_dirent *map_dirent(struct inode *, dnode_secno, char *, unsigned, dnode_secno *, struct quad_buffer_head *);
+struct hpfs_dirent *map_dirent(struct inode *, dnode_secno,
+			       const unsigned char *, unsigned, dnode_secno *,
+			       struct quad_buffer_head *);
 void hpfs_remove_dtree(struct super_block *, dnode_secno);
 struct hpfs_dirent *map_fnode_dirent(struct super_block *, fnode_secno, struct fnode *, struct quad_buffer_head *);
 
@@ -259,7 +263,8 @@ struct hpfs_dirent *map_fnode_dirent(struct super_block *, fnode_secno, struct f
 void hpfs_ea_ext_remove(struct super_block *, secno, int, unsigned);
 int hpfs_read_ea(struct super_block *, struct fnode *, char *, char *, int);
 char *hpfs_get_ea(struct super_block *, struct fnode *, char *, int *);
-void hpfs_set_ea(struct inode *, struct fnode *, char *, char *, int);
+void hpfs_set_ea(struct inode *, struct fnode *, const char *,
+		 const char *, int);
 
 /* file.c */
 
@@ -282,7 +287,7 @@ void hpfs_delete_inode(struct inode *);
 
 unsigned *hpfs_map_dnode_bitmap(struct super_block *, struct quad_buffer_head *);
 unsigned *hpfs_map_bitmap(struct super_block *, unsigned, struct quad_buffer_head *, char *);
-char *hpfs_load_code_page(struct super_block *, secno);
+unsigned char *hpfs_load_code_page(struct super_block *, secno);
 secno *hpfs_load_bitmap_directory(struct super_block *, secno bmp);
 struct fnode *hpfs_map_fnode(struct super_block *s, ino_t, struct buffer_head **);
 struct anode *hpfs_map_anode(struct super_block *s, anode_secno, struct buffer_head **);
@@ -292,12 +297,13 @@ dnode_secno hpfs_fnode_dno(struct super_block *s, ino_t ino);
 /* name.c */
 
 unsigned char hpfs_upcase(unsigned char *, unsigned char);
-int hpfs_chk_name(unsigned char *, unsigned *);
-char *hpfs_translate_name(struct super_block *, unsigned char *, unsigned, int, int);
-int hpfs_compare_names(struct super_block *, unsigned char *, unsigned, unsigned char *, unsigned, int);
-int hpfs_is_name_long(unsigned char *, unsigned);
-void hpfs_adjust_length(unsigned char *, unsigned *);
-void hpfs_decide_conv(struct inode *, unsigned char *, unsigned);
+int hpfs_chk_name(const unsigned char *, unsigned *);
+unsigned char *hpfs_translate_name(struct super_block *, unsigned char *, unsigned, int, int);
+int hpfs_compare_names(struct super_block *, const unsigned char *, unsigned,
+		       const unsigned char *, unsigned, int);
+int hpfs_is_name_long(const unsigned char *, unsigned);
+void hpfs_adjust_length(const unsigned char *, unsigned *);
+void hpfs_decide_conv(struct inode *, const unsigned char *, unsigned);
 
 /* namei.c */
 
diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c
index fe703ae46bc7..ff90affb94e1 100644
--- a/fs/hpfs/inode.c
+++ b/fs/hpfs/inode.c
@@ -46,7 +46,7 @@ void hpfs_read_inode(struct inode *i)
 	struct fnode *fnode;
 	struct super_block *sb = i->i_sb;
 	struct hpfs_inode_info *hpfs_inode = hpfs_i(i);
-	unsigned char *ea;
+	void *ea;
 	int ea_size;
 
 	if (!(fnode = hpfs_map_fnode(sb, i->i_ino, &bh))) {
@@ -112,7 +112,7 @@ void hpfs_read_inode(struct inode *i)
 		}
 	}
 	if (fnode->dirflag) {
-		unsigned n_dnodes, n_subdirs;
+		int n_dnodes, n_subdirs;
 		i->i_mode |= S_IFDIR;
 		i->i_op = &hpfs_dir_iops;
 		i->i_fop = &hpfs_dir_ops;
diff --git a/fs/hpfs/map.c b/fs/hpfs/map.c
index c4724589b2eb..840d033ecee8 100644
--- a/fs/hpfs/map.c
+++ b/fs/hpfs/map.c
@@ -35,7 +35,7 @@ unsigned int *hpfs_map_bitmap(struct super_block *s, unsigned bmp_block,
  * lowercasing table
  */
 
-char *hpfs_load_code_page(struct super_block *s, secno cps)
+unsigned char *hpfs_load_code_page(struct super_block *s, secno cps)
 {
 	struct buffer_head *bh;
 	secno cpds;
@@ -71,7 +71,7 @@ char *hpfs_load_code_page(struct super_block *s, secno cps)
 		brelse(bh);
 		return NULL;
 	}
-	ptr = (char *)cpd + cpd->offs[cpi] + 6;
+	ptr = (unsigned char *)cpd + cpd->offs[cpi] + 6;
 	if (!(cp_table = kmalloc(256, GFP_KERNEL))) {
 		printk("HPFS: out of memory for code page table\n");
 		brelse(bh);
@@ -217,7 +217,7 @@ struct dnode *hpfs_map_dnode(struct super_block *s, unsigned secno,
 	if ((dnode = hpfs_map_4sectors(s, secno, qbh, DNODE_RD_AHEAD)))
 		if (hpfs_sb(s)->sb_chk) {
 			unsigned p, pp = 0;
-			unsigned char *d = (char *)dnode;
+			unsigned char *d = (unsigned char *)dnode;
 			int b = 0;
 			if (dnode->magic != DNODE_MAGIC) {
 				hpfs_error(s, "bad magic on dnode %08x", secno);
diff --git a/fs/hpfs/name.c b/fs/hpfs/name.c
index 1f4a964384eb..f24736d7a439 100644
--- a/fs/hpfs/name.c
+++ b/fs/hpfs/name.c
@@ -8,16 +8,16 @@
 
 #include "hpfs_fn.h"
 
-static char *text_postfix[]={
+static const char *text_postfix[]={
 ".ASM", ".BAS", ".BAT", ".C", ".CC", ".CFG", ".CMD", ".CON", ".CPP", ".DEF",
 ".DOC", ".DPR", ".ERX", ".H", ".HPP", ".HTM", ".HTML", ".JAVA", ".LOG", ".PAS",
 ".RC", ".TEX", ".TXT", ".Y", ""};
 
-static char *text_prefix[]={
+static const char *text_prefix[]={
 "AUTOEXEC.", "CHANGES", "COPYING", "CONFIG.", "CREDITS", "FAQ", "FILE_ID.DIZ",
 "MAKEFILE", "READ.ME", "README", "TERMCAP", ""};
 
-void hpfs_decide_conv(struct inode *inode, unsigned char *name, unsigned len)
+void hpfs_decide_conv(struct inode *inode, const unsigned char *name, unsigned len)
 {
 	struct hpfs_inode_info *hpfs_inode = hpfs_i(inode);
 	int i;
@@ -71,7 +71,7 @@ static inline unsigned char locase(unsigned char *dir, unsigned char a)
 	return dir[a];
 }
 
-int hpfs_chk_name(unsigned char *name, unsigned *len)
+int hpfs_chk_name(const unsigned char *name, unsigned *len)
 {
 	int i;
 	if (*len > 254) return -ENAMETOOLONG;
@@ -83,10 +83,10 @@ int hpfs_chk_name(unsigned char *name, unsigned *len)
 	return 0;
 }
 
-char *hpfs_translate_name(struct super_block *s, unsigned char *from,
+unsigned char *hpfs_translate_name(struct super_block *s, unsigned char *from,
 			  unsigned len, int lc, int lng)
 {
-	char *to;
+	unsigned char *to;
 	int i;
 	if (hpfs_sb(s)->sb_chk >= 2) if (hpfs_is_name_long(from, len) != lng) {
 		printk("HPFS: Long name flag mismatch - name ");
@@ -103,8 +103,9 @@ char *hpfs_translate_name(struct super_block *s, unsigned char *from,
 	return to;
 }
 
-int hpfs_compare_names(struct super_block *s, unsigned char *n1, unsigned l1,
-		       unsigned char *n2, unsigned l2, int last)
+int hpfs_compare_names(struct super_block *s,
+		       const unsigned char *n1, unsigned l1,
+		       const unsigned char *n2, unsigned l2, int last)
 {
 	unsigned l = l1 < l2 ? l1 : l2;
 	unsigned i;
@@ -120,7 +121,7 @@ int hpfs_compare_names(struct super_block *s, unsigned char *n1, unsigned l1,
 	return 0;
 }
 
-int hpfs_is_name_long(unsigned char *name, unsigned len)
+int hpfs_is_name_long(const unsigned char *name, unsigned len)
 {
 	int i,j;
 	for (i = 0; i < len && name[i] != '.'; i++)
@@ -134,7 +135,7 @@ int hpfs_is_name_long(unsigned char *name, unsigned len)
 
 /* OS/2 clears dots and spaces at the end of file name, so we have to */
 
-void hpfs_adjust_length(unsigned char *name, unsigned *len)
+void hpfs_adjust_length(const unsigned char *name, unsigned *len)
 {
 	if (!*len) return;
 	if (*len == 1 && name[0] == '.') return;
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index 82b9c4ba9ed0..11c2b4080f65 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -11,7 +11,7 @@
 
 static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 {
-	const char *name = dentry->d_name.name;
+	const unsigned char *name = dentry->d_name.name;
 	unsigned len = dentry->d_name.len;
 	struct quad_buffer_head qbh0;
 	struct buffer_head *bh;
@@ -24,7 +24,7 @@ static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	int r;
 	struct hpfs_dirent dee;
 	int err;
-	if ((err = hpfs_chk_name((char *)name, &len))) return err==-ENOENT ? -EINVAL : err;
+	if ((err = hpfs_chk_name(name, &len))) return err==-ENOENT ? -EINVAL : err;
 	lock_kernel();
 	err = -ENOSPC;
 	fnode = hpfs_alloc_fnode(dir->i_sb, hpfs_i(dir)->i_dno, &fno, &bh);
@@ -62,7 +62,7 @@ static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 		result->i_mode &= ~0222;
 
 	mutex_lock(&hpfs_i(dir)->i_mutex);
-	r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
+	r = hpfs_add_dirent(dir, name, len, &dee, 0);
 	if (r == 1)
 		goto bail3;
 	if (r == -1) {
@@ -121,7 +121,7 @@ bail:
 
 static int hpfs_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd)
 {
-	const char *name = dentry->d_name.name;
+	const unsigned char *name = dentry->d_name.name;
 	unsigned len = dentry->d_name.len;
 	struct inode *result = NULL;
 	struct buffer_head *bh;
@@ -130,7 +130,7 @@ static int hpfs_create(struct inode *dir, struct dentry *dentry, int mode, struc
 	int r;
 	struct hpfs_dirent dee;
 	int err;
-	if ((err = hpfs_chk_name((char *)name, &len)))
+	if ((err = hpfs_chk_name(name, &len)))
 		return err==-ENOENT ? -EINVAL : err;
 	lock_kernel();
 	err = -ENOSPC;
@@ -155,7 +155,7 @@ static int hpfs_create(struct inode *dir, struct dentry *dentry, int mode, struc
 	result->i_op = &hpfs_file_iops;
 	result->i_fop = &hpfs_file_ops;
 	result->i_nlink = 1;
-	hpfs_decide_conv(result, (char *)name, len);
+	hpfs_decide_conv(result, name, len);
 	hpfs_i(result)->i_parent_dir = dir->i_ino;
 	result->i_ctime.tv_sec = result->i_mtime.tv_sec = result->i_atime.tv_sec = local_to_gmt(dir->i_sb, dee.creation_date);
 	result->i_ctime.tv_nsec = 0;
@@ -170,7 +170,7 @@ static int hpfs_create(struct inode *dir, struct dentry *dentry, int mode, struc
 	hpfs_i(result)->mmu_private = 0;
 
 	mutex_lock(&hpfs_i(dir)->i_mutex);
-	r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
+	r = hpfs_add_dirent(dir, name, len, &dee, 0);
 	if (r == 1)
 		goto bail2;
 	if (r == -1) {
@@ -211,7 +211,7 @@ bail:
 
 static int hpfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev)
 {
-	const char *name = dentry->d_name.name;
+	const unsigned char *name = dentry->d_name.name;
 	unsigned len = dentry->d_name.len;
 	struct buffer_head *bh;
 	struct fnode *fnode;
@@ -220,7 +220,7 @@ static int hpfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t
 	struct hpfs_dirent dee;
 	struct inode *result = NULL;
 	int err;
-	if ((err = hpfs_chk_name((char *)name, &len))) return err==-ENOENT ? -EINVAL : err;
+	if ((err = hpfs_chk_name(name, &len))) return err==-ENOENT ? -EINVAL : err;
 	if (hpfs_sb(dir->i_sb)->sb_eas < 2) return -EPERM;
 	if (!new_valid_dev(rdev))
 		return -EINVAL;
@@ -256,7 +256,7 @@ static int hpfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t
 	init_special_inode(result, mode, rdev);
 
 	mutex_lock(&hpfs_i(dir)->i_mutex);
-	r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
+	r = hpfs_add_dirent(dir, name, len, &dee, 0);
 	if (r == 1)
 		goto bail2;
 	if (r == -1) {
@@ -289,7 +289,7 @@ bail:
 
 static int hpfs_symlink(struct inode *dir, struct dentry *dentry, const char *symlink)
 {
-	const char *name = dentry->d_name.name;
+	const unsigned char *name = dentry->d_name.name;
 	unsigned len = dentry->d_name.len;
 	struct buffer_head *bh;
 	struct fnode *fnode;
@@ -298,7 +298,7 @@ static int hpfs_symlink(struct inode *dir, struct dentry *dentry, const char *sy
 	struct hpfs_dirent dee;
 	struct inode *result;
 	int err;
-	if ((err = hpfs_chk_name((char *)name, &len))) return err==-ENOENT ? -EINVAL : err;
+	if ((err = hpfs_chk_name(name, &len))) return err==-ENOENT ? -EINVAL : err;
 	lock_kernel();
 	if (hpfs_sb(dir->i_sb)->sb_eas < 2) {
 		unlock_kernel();
@@ -335,7 +335,7 @@ static int hpfs_symlink(struct inode *dir, struct dentry *dentry, const char *sy
 	result->i_data.a_ops = &hpfs_symlink_aops;
 
 	mutex_lock(&hpfs_i(dir)->i_mutex);
-	r = hpfs_add_dirent(dir, (char *)name, len, &dee, 0);
+	r = hpfs_add_dirent(dir, name, len, &dee, 0);
 	if (r == 1)
 		goto bail2;
 	if (r == -1) {
@@ -345,7 +345,7 @@ static int hpfs_symlink(struct inode *dir, struct dentry *dentry, const char *sy
 	fnode->len = len;
 	memcpy(fnode->name, name, len > 15 ? 15 : len);
 	fnode->up = dir->i_ino;
-	hpfs_set_ea(result, fnode, "SYMLINK", (char *)symlink, strlen(symlink));
+	hpfs_set_ea(result, fnode, "SYMLINK", symlink, strlen(symlink));
 	mark_buffer_dirty(bh);
 	brelse(bh);
 
@@ -369,7 +369,7 @@ bail:
 
 static int hpfs_unlink(struct inode *dir, struct dentry *dentry)
 {
-	const char *name = dentry->d_name.name;
+	const unsigned char *name = dentry->d_name.name;
 	unsigned len = dentry->d_name.len;
 	struct quad_buffer_head qbh;
 	struct hpfs_dirent *de;
@@ -381,12 +381,12 @@ static int hpfs_unlink(struct inode *dir, struct dentry *dentry)
 	int err;
 
 	lock_kernel();
-	hpfs_adjust_length((char *)name, &len);
+	hpfs_adjust_length(name, &len);
 again:
 	mutex_lock(&hpfs_i(inode)->i_parent_mutex);
 	mutex_lock(&hpfs_i(dir)->i_mutex);
 	err = -ENOENT;
-	de = map_dirent(dir, hpfs_i(dir)->i_dno, (char *)name, len, &dno, &qbh);
+	de = map_dirent(dir, hpfs_i(dir)->i_dno, name, len, &dno, &qbh);
 	if (!de)
 		goto out;
 
@@ -413,22 +413,25 @@ again:
 
 		mutex_unlock(&hpfs_i(dir)->i_mutex);
 		mutex_unlock(&hpfs_i(inode)->i_parent_mutex);
-		d_drop(dentry);
-		spin_lock(&dentry->d_lock);
-		if (atomic_read(&dentry->d_count) > 1 ||
-		    generic_permission(inode, MAY_WRITE, NULL) ||
+		dentry_unhash(dentry);
+		if (!d_unhashed(dentry)) {
+			dput(dentry);
+			unlock_kernel();
+			return -ENOSPC;
+		}
+		if (generic_permission(inode, MAY_WRITE, NULL) ||
 		    !S_ISREG(inode->i_mode) ||
 		    get_write_access(inode)) {
-			spin_unlock(&dentry->d_lock);
 			d_rehash(dentry);
+			dput(dentry);
 		} else {
 			struct iattr newattrs;
-			spin_unlock(&dentry->d_lock);
 			/*printk("HPFS: truncating file before delete.\n");*/
 			newattrs.ia_size = 0;
 			newattrs.ia_valid = ATTR_SIZE | ATTR_CTIME;
 			err = notify_change(dentry, &newattrs);
 			put_write_access(inode);
+			dput(dentry);
 			if (!err)
 				goto again;
 		}
@@ -451,7 +454,7 @@ out:
 
 static int hpfs_rmdir(struct inode *dir, struct dentry *dentry)
 {
-	const char *name = dentry->d_name.name;
+	const unsigned char *name = dentry->d_name.name;
 	unsigned len = dentry->d_name.len;
 	struct quad_buffer_head qbh;
 	struct hpfs_dirent *de;
@@ -462,12 +465,12 @@ static int hpfs_rmdir(struct inode *dir, struct dentry *dentry)
 	int err;
 	int r;
 
-	hpfs_adjust_length((char *)name, &len);
+	hpfs_adjust_length(name, &len);
 	lock_kernel();
 	mutex_lock(&hpfs_i(inode)->i_parent_mutex);
 	mutex_lock(&hpfs_i(dir)->i_mutex);
 	err = -ENOENT;
-	de = map_dirent(dir, hpfs_i(dir)->i_dno, (char *)name, len, &dno, &qbh);
+	de = map_dirent(dir, hpfs_i(dir)->i_dno, name, len, &dno, &qbh);
 	if (!de)
 		goto out;
 
@@ -546,10 +549,10 @@ const struct address_space_operations hpfs_symlink_aops = {
 static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 		struct inode *new_dir, struct dentry *new_dentry)
 {
-	char *old_name = (char *)old_dentry->d_name.name;
-	int old_len = old_dentry->d_name.len;
-	char *new_name = (char *)new_dentry->d_name.name;
-	int new_len = new_dentry->d_name.len;
+	const unsigned char *old_name = old_dentry->d_name.name;
+	unsigned old_len = old_dentry->d_name.len;
+	const unsigned char *new_name = new_dentry->d_name.name;
+	unsigned new_len = new_dentry->d_name.len;
 	struct inode *i = old_dentry->d_inode;
 	struct inode *new_inode = new_dentry->d_inode;
 	struct quad_buffer_head qbh, qbh1;
@@ -560,9 +563,9 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	struct buffer_head *bh;
 	struct fnode *fnode;
 	int err;
-	if ((err = hpfs_chk_name((char *)new_name, &new_len))) return err;
+	if ((err = hpfs_chk_name(new_name, &new_len))) return err;
 	err = 0;
-	hpfs_adjust_length((char *)old_name, &old_len);
+	hpfs_adjust_length(old_name, &old_len);
 
 	lock_kernel();
 	/* order doesn't matter, due to VFS exclusion */
@@ -579,7 +582,7 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 		goto end1;
 	}
 
-	if (!(dep = map_dirent(old_dir, hpfs_i(old_dir)->i_dno, (char *)old_name, old_len, &dno, &qbh))) {
+	if (!(dep = map_dirent(old_dir, hpfs_i(old_dir)->i_dno, old_name, old_len, &dno, &qbh))) {
 		hpfs_error(i->i_sb, "lookup succeeded but map dirent failed");
 		err = -ENOENT;
 		goto end1;
@@ -590,7 +593,7 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	if (new_inode) {
 		int r;
 		if ((r = hpfs_remove_dirent(old_dir, dno, dep, &qbh, 1)) != 2) {
-			if ((nde = map_dirent(new_dir, hpfs_i(new_dir)->i_dno, (char *)new_name, new_len, NULL, &qbh1))) {
+			if ((nde = map_dirent(new_dir, hpfs_i(new_dir)->i_dno, new_name, new_len, NULL, &qbh1))) {
 				clear_nlink(new_inode);
 				copy_de(nde, &de);
 				memcpy(nde->name, new_name, new_len);
@@ -618,7 +621,7 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	}
 	
 	if (new_dir == old_dir)
-		if (!(dep = map_dirent(old_dir, hpfs_i(old_dir)->i_dno, (char *)old_name, old_len, &dno, &qbh))) {
+		if (!(dep = map_dirent(old_dir, hpfs_i(old_dir)->i_dno, old_name, old_len, &dno, &qbh))) {
 			hpfs_unlock_creation(i->i_sb);
 			hpfs_error(i->i_sb, "lookup succeeded but map dirent failed at #2");
 			err = -ENOENT;
@@ -648,7 +651,7 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 		brelse(bh);
 	}
 	hpfs_i(i)->i_conv = hpfs_sb(i->i_sb)->sb_conv;
-	hpfs_decide_conv(i, (char *)new_name, new_len);
+	hpfs_decide_conv(i, new_name, new_len);
 end1:
 	if (old_dir != new_dir)
 		mutex_unlock(&hpfs_i(new_dir)->i_mutex);
diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c
index 7239efc690d8..2e4dfa8593da 100644
--- a/fs/hppfs/hppfs.c
+++ b/fs/hppfs/hppfs.c
@@ -718,7 +718,7 @@ static int hppfs_fill_super(struct super_block *sb, void *d, int silent)
 	struct vfsmount *proc_mnt;
 	int err = -ENOENT;
 
-	proc_mnt = do_kern_mount("proc", 0, "proc", NULL);
+	proc_mnt = mntget(current->nsproxy->pid_ns->proc_mnt);
 	if (IS_ERR(proc_mnt))
 		goto out;
 
diff --git a/fs/inode.c b/fs/inode.c
index 03dfeb2e3928..407bf392e20a 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -8,7 +8,6 @@
 #include <linux/mm.h>
 #include <linux/dcache.h>
 #include <linux/init.h>
-#include <linux/quotaops.h>
 #include <linux/slab.h>
 #include <linux/writeback.h>
 #include <linux/module.h>
@@ -314,7 +313,6 @@ void clear_inode(struct inode *inode)
 	BUG_ON(!(inode->i_state & I_FREEING));
 	BUG_ON(inode->i_state & I_CLEAR);
 	inode_sync_wait(inode);
-	vfs_dq_drop(inode);
 	if (inode->i_sb->s_op->clear_inode)
 		inode->i_sb->s_op->clear_inode(inode);
 	if (S_ISBLK(inode->i_mode) && inode->i_bdev)
@@ -1211,8 +1209,6 @@ void generic_delete_inode(struct inode *inode)
 
 	if (op->delete_inode) {
 		void (*delete)(struct inode *) = op->delete_inode;
-		if (!is_bad_inode(inode))
-			vfs_dq_init(inode);
 		/* Filesystems implementing their own
 		 * s_op->delete_inode are required to call
 		 * truncate_inode_pages and clear_inode()
diff --git a/fs/internal.h b/fs/internal.h
index e96a1667d749..8a03a5447bdf 100644
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -70,6 +70,8 @@ extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int);
 
 extern void __init mnt_init(void);
 
+extern spinlock_t vfsmount_lock;
+
 /*
  * fs_struct.c
  */
diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index 4bd882548c45..2c90e3ef625f 100644
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -862,12 +862,12 @@ restart_loop:
 		/* A buffer which has been freed while still being
 		 * journaled by a previous transaction may end up still
 		 * being dirty here, but we want to avoid writing back
-		 * that buffer in the future now that the last use has
-		 * been committed.  That's not only a performance gain,
-		 * it also stops aliasing problems if the buffer is left
-		 * behind for writeback and gets reallocated for another
+		 * that buffer in the future after the "add to orphan"
+		 * operation been committed,  That's not only a performance
+		 * gain, it also stops aliasing problems if the buffer is
+		 * left behind for writeback and gets reallocated for another
 		 * use in a different page. */
-		if (buffer_freed(bh)) {
+		if (buffer_freed(bh) && !jh->b_next_transaction) {
 			clear_buffer_freed(bh);
 			clear_buffer_jbddirty(bh);
 		}
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index 006f9ad838a2..5ae71e75a491 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -1398,7 +1398,7 @@ int journal_stop(handle_t *handle)
 	 * the case where our storage is so fast that it is more optimal to go
 	 * ahead and force a flush and wait for the transaction to be committed
 	 * than it is to wait for an arbitrary amount of time for new writers to
-	 * join the transaction.  We acheive this by measuring how long it takes
+	 * join the transaction.  We achieve this by measuring how long it takes
 	 * to commit a transaction, and compare it with how long this
 	 * transaction has been running, and if run time < commit time then we
 	 * sleep for the delta and commit.  This greatly helps super fast disks
@@ -1864,6 +1864,21 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh)
 	if (!jh)
 		goto zap_buffer_no_jh;
 
+	/*
+	 * We cannot remove the buffer from checkpoint lists until the
+	 * transaction adding inode to orphan list (let's call it T)
+	 * is committed.  Otherwise if the transaction changing the
+	 * buffer would be cleaned from the journal before T is
+	 * committed, a crash will cause that the correct contents of
+	 * the buffer will be lost.  On the other hand we have to
+	 * clear the buffer dirty bit at latest at the moment when the
+	 * transaction marking the buffer as freed in the filesystem
+	 * structures is committed because from that moment on the
+	 * buffer can be reallocated and used by a different page.
+	 * Since the block hasn't been freed yet but the inode has
+	 * already been added to orphan list, it is safe for us to add
+	 * the buffer to BJ_Forget list of the newest transaction.
+	 */
 	transaction = jh->b_transaction;
 	if (transaction == NULL) {
 		/* First case: not on any transaction.  If it
@@ -1929,16 +1944,15 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh)
 			goto zap_buffer;
 		}
 		/*
-		 * If it is committing, we simply cannot touch it.  We
-		 * can remove it's next_transaction pointer from the
-		 * running transaction if that is set, but nothing
-		 * else. */
+		 * The buffer is committing, we simply cannot touch
+		 * it. So we just set j_next_transaction to the
+		 * running transaction (if there is one) and mark
+		 * buffer as freed so that commit code knows it should
+		 * clear dirty bits when it is done with the buffer.
+		 */
 		set_buffer_freed(bh);
-		if (jh->b_next_transaction) {
-			J_ASSERT(jh->b_next_transaction ==
-					journal->j_running_transaction);
-			jh->b_next_transaction = NULL;
-		}
+		if (journal->j_running_transaction && buffer_jbddirty(bh))
+			jh->b_next_transaction = journal->j_running_transaction;
 		journal_put_journal_head(jh);
 		spin_unlock(&journal->j_list_lock);
 		jbd_unlock_bh_state(bh);
@@ -2120,7 +2134,7 @@ void journal_file_buffer(struct journal_head *jh,
  */
 void __journal_refile_buffer(struct journal_head *jh)
 {
-	int was_dirty;
+	int was_dirty, jlist;
 	struct buffer_head *bh = jh2bh(jh);
 
 	J_ASSERT_JH(jh, jbd_is_locked_bh_state(bh));
@@ -2142,8 +2156,13 @@ void __journal_refile_buffer(struct journal_head *jh)
 	__journal_temp_unlink_buffer(jh);
 	jh->b_transaction = jh->b_next_transaction;
 	jh->b_next_transaction = NULL;
-	__journal_file_buffer(jh, jh->b_transaction,
-				jh->b_modified ? BJ_Metadata : BJ_Reserved);
+	if (buffer_freed(bh))
+		jlist = BJ_Forget;
+	else if (jh->b_modified)
+		jlist = BJ_Metadata;
+	else
+		jlist = BJ_Reserved;
+	__journal_file_buffer(jh, jh->b_transaction, jlist);
 	J_ASSERT_JH(jh, jh->b_transaction->t_state == T_RUNNING);
 
 	if (was_dirty)
diff --git a/fs/jbd2/checkpoint.c b/fs/jbd2/checkpoint.c
index 886849370950..30beb11ef928 100644
--- a/fs/jbd2/checkpoint.c
+++ b/fs/jbd2/checkpoint.c
@@ -507,6 +507,7 @@ int jbd2_cleanup_journal_tail(journal_t *journal)
 	if (blocknr < journal->j_tail)
 		freed = freed + journal->j_last - journal->j_first;
 
+	trace_jbd2_cleanup_journal_tail(journal, first_tid, blocknr, freed);
 	jbd_debug(1,
 		  "Cleaning journal tail from %d to %d (offset %lu), "
 		  "freeing %lu\n",
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 1bc74b6f26d2..671da7fb7ffd 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -883,8 +883,7 @@ restart_loop:
 		spin_unlock(&journal->j_list_lock);
 		bh = jh2bh(jh);
 		jbd_lock_bh_state(bh);
-		J_ASSERT_JH(jh,	jh->b_transaction == commit_transaction ||
-			jh->b_transaction == journal->j_running_transaction);
+		J_ASSERT_JH(jh,	jh->b_transaction == commit_transaction);
 
 		/*
 		 * If there is undo-protected committed data against
@@ -930,12 +929,12 @@ restart_loop:
 		/* A buffer which has been freed while still being
 		 * journaled by a previous transaction may end up still
 		 * being dirty here, but we want to avoid writing back
-		 * that buffer in the future now that the last use has
-		 * been committed.  That's not only a performance gain,
-		 * it also stops aliasing problems if the buffer is left
-		 * behind for writeback and gets reallocated for another
+		 * that buffer in the future after the "add to orphan"
+		 * operation been committed,  That's not only a performance
+		 * gain, it also stops aliasing problems if the buffer is
+		 * left behind for writeback and gets reallocated for another
 		 * use in a different page. */
-		if (buffer_freed(bh)) {
+		if (buffer_freed(bh) && !jh->b_next_transaction) {
 			clear_buffer_freed(bh);
 			clear_buffer_jbddirty(bh);
 		}
diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index ac0d027595d0..c03d4dce4d76 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -39,6 +39,8 @@
 #include <linux/seq_file.h>
 #include <linux/math64.h>
 #include <linux/hash.h>
+#include <linux/log2.h>
+#include <linux/vmalloc.h>
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/jbd2.h>
@@ -93,6 +95,7 @@ EXPORT_SYMBOL(jbd2_journal_begin_ordered_truncate);
 
 static int journal_convert_superblock_v1(journal_t *, journal_superblock_t *);
 static void __journal_abort_soft (journal_t *journal, int errno);
+static int jbd2_journal_create_slab(size_t slab_size);
 
 /*
  * Helper function used to manage commit timeouts
@@ -1248,6 +1251,13 @@ int jbd2_journal_load(journal_t *journal)
 		}
 	}
 
+	/*
+	 * Create a slab for this blocksize
+	 */
+	err = jbd2_journal_create_slab(be32_to_cpu(sb->s_blocksize));
+	if (err)
+		return err;
+
 	/* Let the recovery code check whether it needs to recover any
 	 * data from the journal. */
 	if (jbd2_journal_recover(journal))
@@ -1807,6 +1817,127 @@ size_t journal_tag_bytes(journal_t *journal)
 }
 
 /*
+ * JBD memory management
+ *
+ * These functions are used to allocate block-sized chunks of memory
+ * used for making copies of buffer_head data.  Very often it will be
+ * page-sized chunks of data, but sometimes it will be in
+ * sub-page-size chunks.  (For example, 16k pages on Power systems
+ * with a 4k block file system.)  For blocks smaller than a page, we
+ * use a SLAB allocator.  There are slab caches for each block size,
+ * which are allocated at mount time, if necessary, and we only free
+ * (all of) the slab caches when/if the jbd2 module is unloaded.  For
+ * this reason we don't need to a mutex to protect access to
+ * jbd2_slab[] allocating or releasing memory; only in
+ * jbd2_journal_create_slab().
+ */
+#define JBD2_MAX_SLABS 8
+static struct kmem_cache *jbd2_slab[JBD2_MAX_SLABS];
+static DECLARE_MUTEX(jbd2_slab_create_sem);
+
+static const char *jbd2_slab_names[JBD2_MAX_SLABS] = {
+	"jbd2_1k", "jbd2_2k", "jbd2_4k", "jbd2_8k",
+	"jbd2_16k", "jbd2_32k", "jbd2_64k", "jbd2_128k"
+};
+
+
+static void jbd2_journal_destroy_slabs(void)
+{
+	int i;
+
+	for (i = 0; i < JBD2_MAX_SLABS; i++) {
+		if (jbd2_slab[i])
+			kmem_cache_destroy(jbd2_slab[i]);
+		jbd2_slab[i] = NULL;
+	}
+}
+
+static int jbd2_journal_create_slab(size_t size)
+{
+	int i = order_base_2(size) - 10;
+	size_t slab_size;
+
+	if (size == PAGE_SIZE)
+		return 0;
+
+	if (i >= JBD2_MAX_SLABS)
+		return -EINVAL;
+
+	if (unlikely(i < 0))
+		i = 0;
+	down(&jbd2_slab_create_sem);
+	if (jbd2_slab[i]) {
+		up(&jbd2_slab_create_sem);
+		return 0;	/* Already created */
+	}
+
+	slab_size = 1 << (i+10);
+	jbd2_slab[i] = kmem_cache_create(jbd2_slab_names[i], slab_size,
+					 slab_size, 0, NULL);
+	up(&jbd2_slab_create_sem);
+	if (!jbd2_slab[i]) {
+		printk(KERN_EMERG "JBD2: no memory for jbd2_slab cache\n");
+		return -ENOMEM;
+	}
+	return 0;
+}
+
+static struct kmem_cache *get_slab(size_t size)
+{
+	int i = order_base_2(size) - 10;
+
+	BUG_ON(i >= JBD2_MAX_SLABS);
+	if (unlikely(i < 0))
+		i = 0;
+	BUG_ON(jbd2_slab[i] == 0);
+	return jbd2_slab[i];
+}
+
+void *jbd2_alloc(size_t size, gfp_t flags)
+{
+	void *ptr;
+
+	BUG_ON(size & (size-1)); /* Must be a power of 2 */
+
+	flags |= __GFP_REPEAT;
+	if (size == PAGE_SIZE)
+		ptr = (void *)__get_free_pages(flags, 0);
+	else if (size > PAGE_SIZE) {
+		int order = get_order(size);
+
+		if (order < 3)
+			ptr = (void *)__get_free_pages(flags, order);
+		else
+			ptr = vmalloc(size);
+	} else
+		ptr = kmem_cache_alloc(get_slab(size), flags);
+
+	/* Check alignment; SLUB has gotten this wrong in the past,
+	 * and this can lead to user data corruption! */
+	BUG_ON(((unsigned long) ptr) & (size-1));
+
+	return ptr;
+}
+
+void jbd2_free(void *ptr, size_t size)
+{
+	if (size == PAGE_SIZE) {
+		free_pages((unsigned long)ptr, 0);
+		return;
+	}
+	if (size > PAGE_SIZE) {
+		int order = get_order(size);
+
+		if (order < 3)
+			free_pages((unsigned long)ptr, order);
+		else
+			vfree(ptr);
+		return;
+	}
+	kmem_cache_free(get_slab(size), ptr);
+};
+
+/*
  * Journal_head storage management
  */
 static struct kmem_cache *jbd2_journal_head_cache;
@@ -2204,6 +2335,7 @@ static void jbd2_journal_destroy_caches(void)
 	jbd2_journal_destroy_revoke_caches();
 	jbd2_journal_destroy_jbd2_journal_head_cache();
 	jbd2_journal_destroy_handle_cache();
+	jbd2_journal_destroy_slabs();
 }
 
 static int __init journal_init(void)
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index a0512700542f..bfc70f57900f 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -1727,6 +1727,21 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh)
 	if (!jh)
 		goto zap_buffer_no_jh;
 
+	/*
+	 * We cannot remove the buffer from checkpoint lists until the
+	 * transaction adding inode to orphan list (let's call it T)
+	 * is committed.  Otherwise if the transaction changing the
+	 * buffer would be cleaned from the journal before T is
+	 * committed, a crash will cause that the correct contents of
+	 * the buffer will be lost.  On the other hand we have to
+	 * clear the buffer dirty bit at latest at the moment when the
+	 * transaction marking the buffer as freed in the filesystem
+	 * structures is committed because from that moment on the
+	 * buffer can be reallocated and used by a different page.
+	 * Since the block hasn't been freed yet but the inode has
+	 * already been added to orphan list, it is safe for us to add
+	 * the buffer to BJ_Forget list of the newest transaction.
+	 */
 	transaction = jh->b_transaction;
 	if (transaction == NULL) {
 		/* First case: not on any transaction.  If it
@@ -1783,16 +1798,15 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh)
 	} else if (transaction == journal->j_committing_transaction) {
 		JBUFFER_TRACE(jh, "on committing transaction");
 		/*
-		 * If it is committing, we simply cannot touch it.  We
-		 * can remove it's next_transaction pointer from the
-		 * running transaction if that is set, but nothing
-		 * else. */
+		 * The buffer is committing, we simply cannot touch
+		 * it. So we just set j_next_transaction to the
+		 * running transaction (if there is one) and mark
+		 * buffer as freed so that commit code knows it should
+		 * clear dirty bits when it is done with the buffer.
+		 */
 		set_buffer_freed(bh);
-		if (jh->b_next_transaction) {
-			J_ASSERT(jh->b_next_transaction ==
-					journal->j_running_transaction);
-			jh->b_next_transaction = NULL;
-		}
+		if (journal->j_running_transaction && buffer_jbddirty(bh))
+			jh->b_next_transaction = journal->j_running_transaction;
 		jbd2_journal_put_journal_head(jh);
 		spin_unlock(&journal->j_list_lock);
 		jbd_unlock_bh_state(bh);
@@ -1969,7 +1983,7 @@ void jbd2_journal_file_buffer(struct journal_head *jh,
  */
 void __jbd2_journal_refile_buffer(struct journal_head *jh)
 {
-	int was_dirty;
+	int was_dirty, jlist;
 	struct buffer_head *bh = jh2bh(jh);
 
 	J_ASSERT_JH(jh, jbd_is_locked_bh_state(bh));
@@ -1991,8 +2005,13 @@ void __jbd2_journal_refile_buffer(struct journal_head *jh)
 	__jbd2_journal_temp_unlink_buffer(jh);
 	jh->b_transaction = jh->b_next_transaction;
 	jh->b_next_transaction = NULL;
-	__jbd2_journal_file_buffer(jh, jh->b_transaction,
-				jh->b_modified ? BJ_Metadata : BJ_Reserved);
+	if (buffer_freed(bh))
+		jlist = BJ_Forget;
+	else if (jh->b_modified)
+		jlist = BJ_Metadata;
+	else
+		jlist = BJ_Reserved;
+	__jbd2_journal_file_buffer(jh, jh->b_transaction, jlist);
 	J_ASSERT_JH(jh, jh->b_transaction->t_state == T_RUNNING);
 
 	if (was_dirty)
diff --git a/fs/jffs2/readinode.c b/fs/jffs2/readinode.c
index e22de8397b74..d32ee9412cb9 100644
--- a/fs/jffs2/readinode.c
+++ b/fs/jffs2/readinode.c
@@ -567,7 +567,7 @@ static void jffs2_free_tmp_dnode_info_list(struct rb_root *list)
 			else BUG();
 		}
 	}
-	list->rb_node = NULL;
+	*list = RB_ROOT;
 }
 
 static void jffs2_free_full_dirent_list(struct jffs2_full_dirent *fd)
diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c
index d66477c34306..213169780b6c 100644
--- a/fs/jfs/acl.c
+++ b/fs/jfs/acl.c
@@ -20,7 +20,6 @@
 
 #include <linux/sched.h>
 #include <linux/fs.h>
-#include <linux/quotaops.h>
 #include <linux/posix_acl_xattr.h>
 #include "jfs_incore.h"
 #include "jfs_txnmgr.h"
@@ -174,7 +173,7 @@ cleanup:
 	return rc;
 }
 
-static int jfs_acl_chmod(struct inode *inode)
+int jfs_acl_chmod(struct inode *inode)
 {
 	struct posix_acl *acl, *clone;
 	int rc;
@@ -205,26 +204,3 @@ static int jfs_acl_chmod(struct inode *inode)
 	posix_acl_release(clone);
 	return rc;
 }
-
-int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
-{
-	struct inode *inode = dentry->d_inode;
-	int rc;
-
-	rc = inode_change_ok(inode, iattr);
-	if (rc)
-		return rc;
-
-	if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
-	    (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
-		if (vfs_dq_transfer(inode, iattr))
-			return -EDQUOT;
-	}
-
-	rc = inode_setattr(inode, iattr);
-
-	if (!rc && (iattr->ia_valid & ATTR_MODE))
-		rc = jfs_acl_chmod(inode);
-
-	return rc;
-}
diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index 2b70fa78e4a7..14ba982b3f24 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -18,6 +18,7 @@
  */
 
 #include <linux/fs.h>
+#include <linux/quotaops.h>
 #include "jfs_incore.h"
 #include "jfs_inode.h"
 #include "jfs_dmap.h"
@@ -47,7 +48,7 @@ static int jfs_open(struct inode *inode, struct file *file)
 {
 	int rc;
 
-	if ((rc = generic_file_open(inode, file)))
+	if ((rc = dquot_file_open(inode, file)))
 		return rc;
 
 	/*
@@ -88,14 +89,40 @@ static int jfs_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
+int jfs_setattr(struct dentry *dentry, struct iattr *iattr)
+{
+	struct inode *inode = dentry->d_inode;
+	int rc;
+
+	rc = inode_change_ok(inode, iattr);
+	if (rc)
+		return rc;
+
+	if (iattr->ia_valid & ATTR_SIZE)
+		dquot_initialize(inode);
+	if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
+	    (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
+		rc = dquot_transfer(inode, iattr);
+		if (rc)
+			return rc;
+	}
+
+	rc = inode_setattr(inode, iattr);
+
+	if (!rc && (iattr->ia_valid & ATTR_MODE))
+		rc = jfs_acl_chmod(inode);
+
+	return rc;
+}
+
 const struct inode_operations jfs_file_inode_operations = {
 	.truncate	= jfs_truncate,
 	.setxattr	= jfs_setxattr,
 	.getxattr	= jfs_getxattr,
 	.listxattr	= jfs_listxattr,
 	.removexattr	= jfs_removexattr,
-#ifdef CONFIG_JFS_POSIX_ACL
 	.setattr	= jfs_setattr,
+#ifdef CONFIG_JFS_POSIX_ACL
 	.check_acl	= jfs_check_acl,
 #endif
 };
diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c
index b2ae190a77ba..9dd126276c9f 100644
--- a/fs/jfs/inode.c
+++ b/fs/jfs/inode.c
@@ -22,6 +22,7 @@
 #include <linux/buffer_head.h>
 #include <linux/pagemap.h>
 #include <linux/quotaops.h>
+#include <linux/writeback.h>
 #include "jfs_incore.h"
 #include "jfs_inode.h"
 #include "jfs_filsys.h"
@@ -120,8 +121,10 @@ int jfs_commit_inode(struct inode *inode, int wait)
 	return rc;
 }
 
-int jfs_write_inode(struct inode *inode, int wait)
+int jfs_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
+	int wait = wbc->sync_mode == WB_SYNC_ALL;
+
 	if (test_cflag(COMMIT_Nolink, inode))
 		return 0;
 	/*
@@ -146,6 +149,9 @@ void jfs_delete_inode(struct inode *inode)
 {
 	jfs_info("In jfs_delete_inode, inode = 0x%p", inode);
 
+	if (!is_bad_inode(inode))
+		dquot_initialize(inode);
+
 	if (!is_bad_inode(inode) &&
 	    (JFS_IP(inode)->fileset == FILESYSTEM_I)) {
 		truncate_inode_pages(&inode->i_data, 0);
@@ -158,9 +164,9 @@ void jfs_delete_inode(struct inode *inode)
 		/*
 		 * Free the inode from the quota allocation.
 		 */
-		vfs_dq_init(inode);
-		vfs_dq_free_inode(inode);
-		vfs_dq_drop(inode);
+		dquot_initialize(inode);
+		dquot_free_inode(inode);
+		dquot_drop(inode);
 	}
 
 	clear_inode(inode);
diff --git a/fs/jfs/jfs_acl.h b/fs/jfs/jfs_acl.h
index b07bd417ef85..54e07559878d 100644
--- a/fs/jfs/jfs_acl.h
+++ b/fs/jfs/jfs_acl.h
@@ -22,7 +22,7 @@
 
 int jfs_check_acl(struct inode *, int);
 int jfs_init_acl(tid_t, struct inode *, struct inode *);
-int jfs_setattr(struct dentry *, struct iattr *);
+int jfs_acl_chmod(struct inode *inode);
 
 #else
 
@@ -32,5 +32,10 @@ static inline int jfs_init_acl(tid_t tid, struct inode *inode,
 	return 0;
 }
 
+static inline int jfs_acl_chmod(struct inode *inode)
+{
+	return 0;
+}
+
 #endif
 #endif		/* _H_JFS_ACL */
diff --git a/fs/jfs/jfs_dtree.c b/fs/jfs/jfs_dtree.c
index 925871e9887b..0e4623be70ce 100644
--- a/fs/jfs/jfs_dtree.c
+++ b/fs/jfs/jfs_dtree.c
@@ -381,10 +381,10 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
 		 * It's time to move the inline table to an external
 		 * page and begin to build the xtree
 		 */
-		if (vfs_dq_alloc_block(ip, sbi->nbperpage))
+		if (dquot_alloc_block(ip, sbi->nbperpage))
 			goto clean_up;
 		if (dbAlloc(ip, 0, sbi->nbperpage, &xaddr)) {
-			vfs_dq_free_block(ip, sbi->nbperpage);
+			dquot_free_block(ip, sbi->nbperpage);
 			goto clean_up;
 		}
 
@@ -408,7 +408,7 @@ static u32 add_index(tid_t tid, struct inode *ip, s64 bn, int slot)
 			memcpy(&jfs_ip->i_dirtable, temp_table,
 			       sizeof (temp_table));
 			dbFree(ip, xaddr, sbi->nbperpage);
-			vfs_dq_free_block(ip, sbi->nbperpage);
+			dquot_free_block(ip, sbi->nbperpage);
 			goto clean_up;
 		}
 		ip->i_size = PSIZE;
@@ -1027,10 +1027,9 @@ static int dtSplitUp(tid_t tid,
 			n = xlen;
 
 		/* Allocate blocks to quota. */
-		if (vfs_dq_alloc_block(ip, n)) {
-			rc = -EDQUOT;
+		rc = dquot_alloc_block(ip, n);
+		if (rc)
 			goto extendOut;
-		}
 		quota_allocation += n;
 
 		if ((rc = dbReAlloc(sbi->ipbmap, xaddr, (s64) xlen,
@@ -1308,7 +1307,7 @@ static int dtSplitUp(tid_t tid,
 
 	/* Rollback quota allocation */
 	if (rc && quota_allocation)
-		vfs_dq_free_block(ip, quota_allocation);
+		dquot_free_block(ip, quota_allocation);
 
       dtSplitUp_Exit:
 
@@ -1369,9 +1368,10 @@ static int dtSplitPage(tid_t tid, struct inode *ip, struct dtsplit * split,
 		return -EIO;
 
 	/* Allocate blocks to quota. */
-	if (vfs_dq_alloc_block(ip, lengthPXD(pxd))) {
+	rc = dquot_alloc_block(ip, lengthPXD(pxd));
+	if (rc) {
 		release_metapage(rmp);
-		return -EDQUOT;
+		return rc;
 	}
 
 	jfs_info("dtSplitPage: ip:0x%p smp:0x%p rmp:0x%p", ip, smp, rmp);
@@ -1892,6 +1892,7 @@ static int dtSplitRoot(tid_t tid,
 	struct dt_lock *dtlck;
 	struct tlock *tlck;
 	struct lv *lv;
+	int rc;
 
 	/* get split root page */
 	smp = split->mp;
@@ -1916,9 +1917,10 @@ static int dtSplitRoot(tid_t tid,
 	rp = rmp->data;
 
 	/* Allocate blocks to quota. */
-	if (vfs_dq_alloc_block(ip, lengthPXD(pxd))) {
+	rc = dquot_alloc_block(ip, lengthPXD(pxd));
+	if (rc) {
 		release_metapage(rmp);
-		return -EDQUOT;
+		return rc;
 	}
 
 	BT_MARK_DIRTY(rmp, ip);
@@ -2287,7 +2289,7 @@ static int dtDeleteUp(tid_t tid, struct inode *ip,
 	xlen = lengthPXD(&fp->header.self);
 
 	/* Free quota allocation. */
-	vfs_dq_free_block(ip, xlen);
+	dquot_free_block(ip, xlen);
 
 	/* free/invalidate its buffer page */
 	discard_metapage(fmp);
@@ -2363,7 +2365,7 @@ static int dtDeleteUp(tid_t tid, struct inode *ip,
 				xlen = lengthPXD(&p->header.self);
 
 				/* Free quota allocation */
-				vfs_dq_free_block(ip, xlen);
+				dquot_free_block(ip, xlen);
 
 				/* free/invalidate its buffer page */
 				discard_metapage(mp);
diff --git a/fs/jfs/jfs_extent.c b/fs/jfs/jfs_extent.c
index 41d6045dbeb0..5d3bbd10f8db 100644
--- a/fs/jfs/jfs_extent.c
+++ b/fs/jfs/jfs_extent.c
@@ -141,10 +141,11 @@ extAlloc(struct inode *ip, s64 xlen, s64 pno, xad_t * xp, bool abnr)
 	}
 
 	/* Allocate blocks to quota. */
-	if (vfs_dq_alloc_block(ip, nxlen)) {
+	rc = dquot_alloc_block(ip, nxlen);
+	if (rc) {
 		dbFree(ip, nxaddr, (s64) nxlen);
 		mutex_unlock(&JFS_IP(ip)->commit_mutex);
-		return -EDQUOT;
+		return rc;
 	}
 
 	/* determine the value of the extent flag */
@@ -164,7 +165,7 @@ extAlloc(struct inode *ip, s64 xlen, s64 pno, xad_t * xp, bool abnr)
 	 */
 	if (rc) {
 		dbFree(ip, nxaddr, nxlen);
-		vfs_dq_free_block(ip, nxlen);
+		dquot_free_block(ip, nxlen);
 		mutex_unlock(&JFS_IP(ip)->commit_mutex);
 		return (rc);
 	}
@@ -256,10 +257,11 @@ int extRealloc(struct inode *ip, s64 nxlen, xad_t * xp, bool abnr)
 		goto exit;
 
 	/* Allocat blocks to quota. */
-	if (vfs_dq_alloc_block(ip, nxlen)) {
+	rc = dquot_alloc_block(ip, nxlen);
+	if (rc) {
 		dbFree(ip, nxaddr, (s64) nxlen);
 		mutex_unlock(&JFS_IP(ip)->commit_mutex);
-		return -EDQUOT;
+		return rc;
 	}
 
 	delta = nxlen - xlen;
@@ -297,7 +299,7 @@ int extRealloc(struct inode *ip, s64 nxlen, xad_t * xp, bool abnr)
 		/* extend the extent */
 		if ((rc = xtExtend(0, ip, xoff + xlen, (int) nextend, 0))) {
 			dbFree(ip, xaddr + xlen, delta);
-			vfs_dq_free_block(ip, nxlen);
+			dquot_free_block(ip, nxlen);
 			goto exit;
 		}
 	} else {
@@ -308,7 +310,7 @@ int extRealloc(struct inode *ip, s64 nxlen, xad_t * xp, bool abnr)
 		 */
 		if ((rc = xtTailgate(0, ip, xoff, (int) ntail, nxaddr, 0))) {
 			dbFree(ip, nxaddr, nxlen);
-			vfs_dq_free_block(ip, nxlen);
+			dquot_free_block(ip, nxlen);
 			goto exit;
 		}
 	}
diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c
index dc0e02159ac9..829921b67765 100644
--- a/fs/jfs/jfs_inode.c
+++ b/fs/jfs/jfs_inode.c
@@ -116,10 +116,10 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
 	/*
 	 * Allocate inode to quota.
 	 */
-	if (vfs_dq_alloc_inode(inode)) {
-		rc = -EDQUOT;
+	dquot_initialize(inode);
+	rc = dquot_alloc_inode(inode);
+	if (rc)
 		goto fail_drop;
-	}
 
 	inode->i_mode = mode;
 	/* inherit flags from parent */
@@ -162,7 +162,7 @@ struct inode *ialloc(struct inode *parent, umode_t mode)
 	return inode;
 
 fail_drop:
-	vfs_dq_drop(inode);
+	dquot_drop(inode);
 	inode->i_flags |= S_NOQUOTA;
 fail_unlock:
 	inode->i_nlink = 0;
diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h
index 1eff7db34d63..79e2c79661df 100644
--- a/fs/jfs/jfs_inode.h
+++ b/fs/jfs/jfs_inode.h
@@ -26,7 +26,7 @@ extern long jfs_ioctl(struct file *, unsigned int, unsigned long);
 extern long jfs_compat_ioctl(struct file *, unsigned int, unsigned long);
 extern struct inode *jfs_iget(struct super_block *, unsigned long);
 extern int jfs_commit_inode(struct inode *, int);
-extern int jfs_write_inode(struct inode*, int);
+extern int jfs_write_inode(struct inode *, struct writeback_control *);
 extern void jfs_delete_inode(struct inode *);
 extern void jfs_dirty_inode(struct inode *);
 extern void jfs_truncate(struct inode *);
@@ -40,6 +40,7 @@ extern struct dentry *jfs_fh_to_parent(struct super_block *sb, struct fid *fid,
 	int fh_len, int fh_type);
 extern void jfs_set_inode_flags(struct inode *);
 extern int jfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
+extern int jfs_setattr(struct dentry *, struct iattr *);
 
 extern const struct address_space_operations jfs_aops;
 extern const struct inode_operations jfs_dir_inode_operations;
diff --git a/fs/jfs/jfs_xtree.c b/fs/jfs/jfs_xtree.c
index d654a6458648..6c50871e6220 100644
--- a/fs/jfs/jfs_xtree.c
+++ b/fs/jfs/jfs_xtree.c
@@ -585,10 +585,10 @@ int xtInsert(tid_t tid,		/* transaction id */
 			hint = addressXAD(xad) + lengthXAD(xad) - 1;
 		} else
 			hint = 0;
-		if ((rc = vfs_dq_alloc_block(ip, xlen)))
+		if ((rc = dquot_alloc_block(ip, xlen)))
 			goto out;
 		if ((rc = dbAlloc(ip, hint, (s64) xlen, &xaddr))) {
-			vfs_dq_free_block(ip, xlen);
+			dquot_free_block(ip, xlen);
 			goto out;
 		}
 	}
@@ -617,7 +617,7 @@ int xtInsert(tid_t tid,		/* transaction id */
 			/* undo data extent allocation */
 			if (*xaddrp == 0) {
 				dbFree(ip, xaddr, (s64) xlen);
-				vfs_dq_free_block(ip, xlen);
+				dquot_free_block(ip, xlen);
 			}
 			return rc;
 		}
@@ -985,10 +985,9 @@ xtSplitPage(tid_t tid, struct inode *ip,
 	rbn = addressPXD(pxd);
 
 	/* Allocate blocks to quota. */
-	if (vfs_dq_alloc_block(ip, lengthPXD(pxd))) {
-		rc = -EDQUOT;
+	rc = dquot_alloc_block(ip, lengthPXD(pxd));
+	if (rc)
 		goto clean_up;
-	}
 
 	quota_allocation += lengthPXD(pxd);
 
@@ -1195,7 +1194,7 @@ xtSplitPage(tid_t tid, struct inode *ip,
 
 	/* Rollback quota allocation. */
 	if (quota_allocation)
-		vfs_dq_free_block(ip, quota_allocation);
+		dquot_free_block(ip, quota_allocation);
 
 	return (rc);
 }
@@ -1235,6 +1234,7 @@ xtSplitRoot(tid_t tid,
 	struct pxdlist *pxdlist;
 	struct tlock *tlck;
 	struct xtlock *xtlck;
+	int rc;
 
 	sp = &JFS_IP(ip)->i_xtroot;
 
@@ -1252,9 +1252,10 @@ xtSplitRoot(tid_t tid,
 		return -EIO;
 
 	/* Allocate blocks to quota. */
-	if (vfs_dq_alloc_block(ip, lengthPXD(pxd))) {
+	rc = dquot_alloc_block(ip, lengthPXD(pxd));
+	if (rc) {
 		release_metapage(rmp);
-		return -EDQUOT;
+		return rc;
 	}
 
 	jfs_info("xtSplitRoot: ip:0x%p rmp:0x%p", ip, rmp);
@@ -3680,7 +3681,7 @@ s64 xtTruncate(tid_t tid, struct inode *ip, s64 newsize, int flag)
 		ip->i_size = newsize;
 
 	/* update quota allocation to reflect freed blocks */
-	vfs_dq_free_block(ip, nfreed);
+	dquot_free_block(ip, nfreed);
 
 	/*
 	 * free tlock of invalidated pages
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index c79a4270f083..4a3e9f39c21d 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -85,6 +85,8 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, int mode,
 
 	jfs_info("jfs_create: dip:0x%p name:%s", dip, dentry->d_name.name);
 
+	dquot_initialize(dip);
+
 	/*
 	 * search parent directory for entry/freespace
 	 * (dtSearch() returns parent directory page pinned)
@@ -215,6 +217,8 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode)
 
 	jfs_info("jfs_mkdir: dip:0x%p name:%s", dip, dentry->d_name.name);
 
+	dquot_initialize(dip);
+
 	/* link count overflow on parent directory ? */
 	if (dip->i_nlink == JFS_LINK_MAX) {
 		rc = -EMLINK;
@@ -356,7 +360,8 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry)
 	jfs_info("jfs_rmdir: dip:0x%p name:%s", dip, dentry->d_name.name);
 
 	/* Init inode for quota operations. */
-	vfs_dq_init(ip);
+	dquot_initialize(dip);
+	dquot_initialize(ip);
 
 	/* directory must be empty to be removed */
 	if (!dtEmpty(ip)) {
@@ -483,7 +488,8 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry)
 	jfs_info("jfs_unlink: dip:0x%p name:%s", dip, dentry->d_name.name);
 
 	/* Init inode for quota operations. */
-	vfs_dq_init(ip);
+	dquot_initialize(dip);
+	dquot_initialize(ip);
 
 	if ((rc = get_UCSname(&dname, dentry)))
 		goto out;
@@ -805,6 +811,8 @@ static int jfs_link(struct dentry *old_dentry,
 	if (ip->i_nlink == 0)
 		return -ENOENT;
 
+	dquot_initialize(dir);
+
 	tid = txBegin(ip->i_sb, 0);
 
 	mutex_lock_nested(&JFS_IP(dir)->commit_mutex, COMMIT_MUTEX_PARENT);
@@ -896,6 +904,8 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry,
 
 	jfs_info("jfs_symlink: dip:0x%p name:%s", dip, name);
 
+	dquot_initialize(dip);
+
 	ssize = strlen(name) + 1;
 
 	/*
@@ -1087,6 +1097,9 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	jfs_info("jfs_rename: %s %s", old_dentry->d_name.name,
 		 new_dentry->d_name.name);
 
+	dquot_initialize(old_dir);
+	dquot_initialize(new_dir);
+
 	old_ip = old_dentry->d_inode;
 	new_ip = new_dentry->d_inode;
 
@@ -1136,7 +1149,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	} else if (new_ip) {
 		IWRITE_LOCK(new_ip, RDWRLOCK_NORMAL);
 		/* Init inode for quota operations. */
-		vfs_dq_init(new_ip);
+		dquot_initialize(new_ip);
 	}
 
 	/*
@@ -1360,6 +1373,8 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry,
 
 	jfs_info("jfs_mknod: %s", dentry->d_name.name);
 
+	dquot_initialize(dir);
+
 	if ((rc = get_UCSname(&dname, dentry)))
 		goto out;
 
@@ -1541,8 +1556,8 @@ const struct inode_operations jfs_dir_inode_operations = {
 	.getxattr	= jfs_getxattr,
 	.listxattr	= jfs_listxattr,
 	.removexattr	= jfs_removexattr,
-#ifdef CONFIG_JFS_POSIX_ACL
 	.setattr	= jfs_setattr,
+#ifdef CONFIG_JFS_POSIX_ACL
 	.check_acl	= jfs_check_acl,
 #endif
 };
diff --git a/fs/jfs/super.c b/fs/jfs/super.c
index d929a822a74e..266699deb1c6 100644
--- a/fs/jfs/super.c
+++ b/fs/jfs/super.c
@@ -131,6 +131,11 @@ static void jfs_destroy_inode(struct inode *inode)
 	kmem_cache_free(jfs_inode_cachep, ji);
 }
 
+static void jfs_clear_inode(struct inode *inode)
+{
+	dquot_drop(inode);
+}
+
 static int jfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 {
 	struct jfs_sb_info *sbi = JFS_SBI(dentry->d_sb);
@@ -745,6 +750,7 @@ static const struct super_operations jfs_super_operations = {
 	.dirty_inode	= jfs_dirty_inode,
 	.write_inode	= jfs_write_inode,
 	.delete_inode	= jfs_delete_inode,
+	.clear_inode	= jfs_clear_inode,
 	.put_super	= jfs_put_super,
 	.sync_fs	= jfs_sync_fs,
 	.freeze_fs	= jfs_freeze,
diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c
index fad364548bc9..1f594ab21895 100644
--- a/fs/jfs/xattr.c
+++ b/fs/jfs/xattr.c
@@ -260,14 +260,14 @@ static int ea_write(struct inode *ip, struct jfs_ea_list *ealist, int size,
 	nblocks = (size + (sb->s_blocksize - 1)) >> sb->s_blocksize_bits;
 
 	/* Allocate new blocks to quota. */
-	if (vfs_dq_alloc_block(ip, nblocks)) {
-		return -EDQUOT;
-	}
+	rc = dquot_alloc_block(ip, nblocks);
+	if (rc)
+		return rc;
 
 	rc = dbAlloc(ip, INOHINT(ip), nblocks, &blkno);
 	if (rc) {
 		/*Rollback quota allocation. */
-		vfs_dq_free_block(ip, nblocks);
+		dquot_free_block(ip, nblocks);
 		return rc;
 	}
 
@@ -332,7 +332,7 @@ static int ea_write(struct inode *ip, struct jfs_ea_list *ealist, int size,
 
       failed:
 	/* Rollback quota allocation. */
-	vfs_dq_free_block(ip, nblocks);
+	dquot_free_block(ip, nblocks);
 
 	dbFree(ip, blkno, nblocks);
 	return rc;
@@ -538,7 +538,8 @@ static int ea_get(struct inode *inode, struct ea_buffer *ea_buf, int min_size)
 
 	if (blocks_needed > current_blocks) {
 		/* Allocate new blocks to quota. */
-		if (vfs_dq_alloc_block(inode, blocks_needed))
+		rc = dquot_alloc_block(inode, blocks_needed);
+		if (rc)
 			return -EDQUOT;
 
 		quota_allocation = blocks_needed;
@@ -602,7 +603,7 @@ static int ea_get(struct inode *inode, struct ea_buffer *ea_buf, int min_size)
       clean_up:
 	/* Rollback quota allocation */
 	if (quota_allocation)
-		vfs_dq_free_block(inode, quota_allocation);
+		dquot_free_block(inode, quota_allocation);
 
 	return (rc);
 }
@@ -677,7 +678,7 @@ static int ea_put(tid_t tid, struct inode *inode, struct ea_buffer *ea_buf,
 
 	/* If old blocks exist, they must be removed from quota allocation. */
 	if (old_blocks)
-		vfs_dq_free_block(inode, old_blocks);
+		dquot_free_block(inode, old_blocks);
 
 	inode->i_ctime = CURRENT_TIME;
 
diff --git a/fs/libfs.c b/fs/libfs.c
index 6e8d17e1dc4c..9e50bcf55857 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -338,28 +338,14 @@ int simple_readpage(struct file *file, struct page *page)
 	return 0;
 }
 
-int simple_prepare_write(struct file *file, struct page *page,
-			unsigned from, unsigned to)
-{
-	if (!PageUptodate(page)) {
-		if (to - from != PAGE_CACHE_SIZE)
-			zero_user_segments(page,
-				0, from,
-				to, PAGE_CACHE_SIZE);
-	}
-	return 0;
-}
-
 int simple_write_begin(struct file *file, struct address_space *mapping,
 			loff_t pos, unsigned len, unsigned flags,
 			struct page **pagep, void **fsdata)
 {
 	struct page *page;
 	pgoff_t index;
-	unsigned from;
 
 	index = pos >> PAGE_CACHE_SHIFT;
-	from = pos & (PAGE_CACHE_SIZE - 1);
 
 	page = grab_cache_page_write_begin(mapping, index, flags);
 	if (!page)
@@ -367,43 +353,59 @@ int simple_write_begin(struct file *file, struct address_space *mapping,
 
 	*pagep = page;
 
-	return simple_prepare_write(file, page, from, from+len);
-}
-
-static int simple_commit_write(struct file *file, struct page *page,
-			       unsigned from, unsigned to)
-{
-	struct inode *inode = page->mapping->host;
-	loff_t pos = ((loff_t)page->index << PAGE_CACHE_SHIFT) + to;
+	if (!PageUptodate(page) && (len != PAGE_CACHE_SIZE)) {
+		unsigned from = pos & (PAGE_CACHE_SIZE - 1);
 
-	if (!PageUptodate(page))
-		SetPageUptodate(page);
-	/*
-	 * No need to use i_size_read() here, the i_size
-	 * cannot change under us because we hold the i_mutex.
-	 */
-	if (pos > inode->i_size)
-		i_size_write(inode, pos);
-	set_page_dirty(page);
+		zero_user_segments(page, 0, from, from + len, PAGE_CACHE_SIZE);
+	}
 	return 0;
 }
 
+/**
+ * simple_write_end - .write_end helper for non-block-device FSes
+ * @available: See .write_end of address_space_operations
+ * @file: 		"
+ * @mapping: 		"
+ * @pos: 		"
+ * @len: 		"
+ * @copied: 		"
+ * @page: 		"
+ * @fsdata: 		"
+ *
+ * simple_write_end does the minimum needed for updating a page after writing is
+ * done. It has the same API signature as the .write_end of
+ * address_space_operations vector. So it can just be set onto .write_end for
+ * FSes that don't need any other processing. i_mutex is assumed to be held.
+ * Block based filesystems should use generic_write_end().
+ * NOTE: Even though i_size might get updated by this function, mark_inode_dirty
+ * is not called, so a filesystem that actually does store data in .write_inode
+ * should extend on what's done here with a call to mark_inode_dirty() in the
+ * case that i_size has changed.
+ */
 int simple_write_end(struct file *file, struct address_space *mapping,
 			loff_t pos, unsigned len, unsigned copied,
 			struct page *page, void *fsdata)
 {
-	unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+	struct inode *inode = page->mapping->host;
+	loff_t last_pos = pos + copied;
 
 	/* zero the stale part of the page if we did a short copy */
 	if (copied < len) {
-		void *kaddr = kmap_atomic(page, KM_USER0);
-		memset(kaddr + from + copied, 0, len - copied);
-		flush_dcache_page(page);
-		kunmap_atomic(kaddr, KM_USER0);
+		unsigned from = pos & (PAGE_CACHE_SIZE - 1);
+
+		zero_user(page, from + copied, len - copied);
 	}
 
-	simple_commit_write(file, page, from, from+copied);
+	if (!PageUptodate(page))
+		SetPageUptodate(page);
+	/*
+	 * No need to use i_size_read() here, the i_size
+	 * cannot change under us because we hold the i_mutex.
+	 */
+	if (last_pos > inode->i_size)
+		i_size_write(inode, last_pos);
 
+	set_page_dirty(page);
 	unlock_page(page);
 	page_cache_release(page);
 
@@ -853,7 +855,6 @@ EXPORT_SYMBOL(simple_getattr);
 EXPORT_SYMBOL(simple_link);
 EXPORT_SYMBOL(simple_lookup);
 EXPORT_SYMBOL(simple_pin_fs);
-EXPORT_UNUSED_SYMBOL(simple_prepare_write);
 EXPORT_SYMBOL(simple_readpage);
 EXPORT_SYMBOL(simple_release_fs);
 EXPORT_SYMBOL(simple_rename);
diff --git a/fs/lockd/host.c b/fs/lockd/host.c
index 4600c2037b8b..bb464d12104c 100644
--- a/fs/lockd/host.c
+++ b/fs/lockd/host.c
@@ -479,8 +479,8 @@ again:	mutex_lock(&nlm_host_mutex);
 			}
 		}
 	}
-
 	mutex_unlock(&nlm_host_mutex);
+	nsm_release(nsm);
 }
 
 /*
diff --git a/fs/lockd/mon.c b/fs/lockd/mon.c
index f956651d0f65..fefa4df3f005 100644
--- a/fs/lockd/mon.c
+++ b/fs/lockd/mon.c
@@ -349,9 +349,9 @@ retry:
  * nsm_reboot_lookup - match NLMPROC_SM_NOTIFY arguments to an nsm_handle
  * @info: pointer to NLMPROC_SM_NOTIFY arguments
  *
- * Returns a matching nsm_handle if found in the nsm cache; the returned
- * nsm_handle's reference count is bumped and sm_monitored is cleared.
- * Otherwise returns NULL if some error occurred.
+ * Returns a matching nsm_handle if found in the nsm cache. The returned
+ * nsm_handle's reference count is bumped. Otherwise returns NULL if some
+ * error occurred.
  */
 struct nsm_handle *nsm_reboot_lookup(const struct nlm_reboot *info)
 {
@@ -370,12 +370,6 @@ struct nsm_handle *nsm_reboot_lookup(const struct nlm_reboot *info)
 	atomic_inc(&cached->sm_count);
 	spin_unlock(&nsm_lock);
 
-	/*
-	 * During subsequent lock activity, force a fresh
-	 * notification to be set up for this host.
-	 */
-	cached->sm_monitored = 0;
-
 	dprintk("lockd: host %s (%s) rebooted, cnt %d\n",
 			cached->sm_name, cached->sm_addrbuf,
 			atomic_read(&cached->sm_count));
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index e50cfa3d9654..7d150517ddf0 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -243,11 +243,9 @@ static int make_socks(struct svc_serv *serv)
 	if (err < 0)
 		goto out_err;
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 	err = create_lockd_family(serv, PF_INET6);
 	if (err < 0 && err != -EAFNOSUPPORT)
 		goto out_err;
-#endif	/* CONFIG_IPV6 || CONFIG_IPV6_MODULE */
 
 	warned = 0;
 	return 0;
diff --git a/fs/locks.c b/fs/locks.c
index a8794f233bc9..ab24d49fc048 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -1182,8 +1182,9 @@ int __break_lease(struct inode *inode, unsigned int mode)
 	struct file_lock *fl;
 	unsigned long break_time;
 	int i_have_this_lease = 0;
+	int want_write = (mode & O_ACCMODE) != O_RDONLY;
 
-	new_fl = lease_alloc(NULL, mode & FMODE_WRITE ? F_WRLCK : F_RDLCK);
+	new_fl = lease_alloc(NULL, want_write ? F_WRLCK : F_RDLCK);
 
 	lock_kernel();
 
@@ -1197,7 +1198,7 @@ int __break_lease(struct inode *inode, unsigned int mode)
 		if (fl->fl_owner == current->files)
 			i_have_this_lease = 1;
 
-	if (mode & FMODE_WRITE) {
+	if (want_write) {
 		/* If we want write access, we have to revoke any lease. */
 		future = F_UNLCK | F_INPROGRESS;
 	} else if (flock->fl_type & F_INPROGRESS) {
@@ -1454,7 +1455,7 @@ EXPORT_SYMBOL(generic_setlease);
  *	leases held by processes on this node.
  *
  *	There is also no break_lease method; filesystems that
- *	handle their own leases shoud break leases themselves from the
+ *	handle their own leases should break leases themselves from the
  *	filesystem's open, create, and (on truncate) setattr methods.
  *
  *	Warning: the only current setlease methods exist only to disable
diff --git a/fs/logfs/Kconfig b/fs/logfs/Kconfig
new file mode 100644
index 000000000000..daf9a9b32dd3
--- /dev/null
+++ b/fs/logfs/Kconfig
@@ -0,0 +1,17 @@
+config LOGFS
+	tristate "LogFS file system (EXPERIMENTAL)"
+	depends on (MTD || BLOCK) && EXPERIMENTAL
+	select ZLIB_INFLATE
+	select ZLIB_DEFLATE
+	select CRC32
+	select BTREE
+	help
+	  Flash filesystem aimed to scale efficiently to large devices.
+	  In comparison to JFFS2 it offers significantly faster mount
+	  times and potentially less RAM usage, although the latter has
+	  not been measured yet.
+
+	  In its current state it is still very experimental and should
+	  not be used for other than testing purposes.
+
+	  If unsure, say N.
diff --git a/fs/logfs/Makefile b/fs/logfs/Makefile
new file mode 100644
index 000000000000..4820027787ee
--- /dev/null
+++ b/fs/logfs/Makefile
@@ -0,0 +1,13 @@
+obj-$(CONFIG_LOGFS)	+= logfs.o
+
+logfs-y	+= compr.o
+logfs-y	+= dir.o
+logfs-y	+= file.o
+logfs-y	+= gc.o
+logfs-y	+= inode.o
+logfs-y	+= journal.o
+logfs-y	+= readwrite.o
+logfs-y	+= segment.o
+logfs-y	+= super.o
+logfs-$(CONFIG_BLOCK)	+= dev_bdev.o
+logfs-$(CONFIG_MTD)	+= dev_mtd.o
diff --git a/fs/logfs/compr.c b/fs/logfs/compr.c
new file mode 100644
index 000000000000..44bbfd249abc
--- /dev/null
+++ b/fs/logfs/compr.c
@@ -0,0 +1,95 @@
+/*
+ * fs/logfs/compr.c	- compression routines
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2008 Joern Engel <joern@logfs.org>
+ */
+#include "logfs.h"
+#include <linux/vmalloc.h>
+#include <linux/zlib.h>
+
+#define COMPR_LEVEL 3
+
+static DEFINE_MUTEX(compr_mutex);
+static struct z_stream_s stream;
+
+int logfs_compress(void *in, void *out, size_t inlen, size_t outlen)
+{
+	int err, ret;
+
+	ret = -EIO;
+	mutex_lock(&compr_mutex);
+	err = zlib_deflateInit(&stream, COMPR_LEVEL);
+	if (err != Z_OK)
+		goto error;
+
+	stream.next_in = in;
+	stream.avail_in = inlen;
+	stream.total_in = 0;
+	stream.next_out = out;
+	stream.avail_out = outlen;
+	stream.total_out = 0;
+
+	err = zlib_deflate(&stream, Z_FINISH);
+	if (err != Z_STREAM_END)
+		goto error;
+
+	err = zlib_deflateEnd(&stream);
+	if (err != Z_OK)
+		goto error;
+
+	if (stream.total_out >= stream.total_in)
+		goto error;
+
+	ret = stream.total_out;
+error:
+	mutex_unlock(&compr_mutex);
+	return ret;
+}
+
+int logfs_uncompress(void *in, void *out, size_t inlen, size_t outlen)
+{
+	int err, ret;
+
+	ret = -EIO;
+	mutex_lock(&compr_mutex);
+	err = zlib_inflateInit(&stream);
+	if (err != Z_OK)
+		goto error;
+
+	stream.next_in = in;
+	stream.avail_in = inlen;
+	stream.total_in = 0;
+	stream.next_out = out;
+	stream.avail_out = outlen;
+	stream.total_out = 0;
+
+	err = zlib_inflate(&stream, Z_FINISH);
+	if (err != Z_STREAM_END)
+		goto error;
+
+	err = zlib_inflateEnd(&stream);
+	if (err != Z_OK)
+		goto error;
+
+	ret = 0;
+error:
+	mutex_unlock(&compr_mutex);
+	return ret;
+}
+
+int __init logfs_compr_init(void)
+{
+	size_t size = max(zlib_deflate_workspacesize(),
+			zlib_inflate_workspacesize());
+	stream.workspace = vmalloc(size);
+	if (!stream.workspace)
+		return -ENOMEM;
+	return 0;
+}
+
+void logfs_compr_exit(void)
+{
+	vfree(stream.workspace);
+}
diff --git a/fs/logfs/dev_bdev.c b/fs/logfs/dev_bdev.c
new file mode 100644
index 000000000000..a5d0c56d3ebc
--- /dev/null
+++ b/fs/logfs/dev_bdev.c
@@ -0,0 +1,332 @@
+/*
+ * fs/logfs/dev_bdev.c	- Device access methods for block devices
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2008 Joern Engel <joern@logfs.org>
+ */
+#include "logfs.h"
+#include <linux/bio.h>
+#include <linux/blkdev.h>
+#include <linux/buffer_head.h>
+
+#define PAGE_OFS(ofs) ((ofs) & (PAGE_SIZE-1))
+
+static void request_complete(struct bio *bio, int err)
+{
+	complete((struct completion *)bio->bi_private);
+}
+
+static int sync_request(struct page *page, struct block_device *bdev, int rw)
+{
+	struct bio bio;
+	struct bio_vec bio_vec;
+	struct completion complete;
+
+	bio_init(&bio);
+	bio.bi_io_vec = &bio_vec;
+	bio_vec.bv_page = page;
+	bio_vec.bv_len = PAGE_SIZE;
+	bio_vec.bv_offset = 0;
+	bio.bi_vcnt = 1;
+	bio.bi_idx = 0;
+	bio.bi_size = PAGE_SIZE;
+	bio.bi_bdev = bdev;
+	bio.bi_sector = page->index * (PAGE_SIZE >> 9);
+	init_completion(&complete);
+	bio.bi_private = &complete;
+	bio.bi_end_io = request_complete;
+
+	submit_bio(rw, &bio);
+	generic_unplug_device(bdev_get_queue(bdev));
+	wait_for_completion(&complete);
+	return test_bit(BIO_UPTODATE, &bio.bi_flags) ? 0 : -EIO;
+}
+
+static int bdev_readpage(void *_sb, struct page *page)
+{
+	struct super_block *sb = _sb;
+	struct block_device *bdev = logfs_super(sb)->s_bdev;
+	int err;
+
+	err = sync_request(page, bdev, READ);
+	if (err) {
+		ClearPageUptodate(page);
+		SetPageError(page);
+	} else {
+		SetPageUptodate(page);
+		ClearPageError(page);
+	}
+	unlock_page(page);
+	return err;
+}
+
+static DECLARE_WAIT_QUEUE_HEAD(wq);
+
+static void writeseg_end_io(struct bio *bio, int err)
+{
+	const int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
+	struct bio_vec *bvec = bio->bi_io_vec + bio->bi_vcnt - 1;
+	struct super_block *sb = bio->bi_private;
+	struct logfs_super *super = logfs_super(sb);
+	struct page *page;
+
+	BUG_ON(!uptodate); /* FIXME: Retry io or write elsewhere */
+	BUG_ON(err);
+	BUG_ON(bio->bi_vcnt == 0);
+	do {
+		page = bvec->bv_page;
+		if (--bvec >= bio->bi_io_vec)
+			prefetchw(&bvec->bv_page->flags);
+
+		end_page_writeback(page);
+		page_cache_release(page);
+	} while (bvec >= bio->bi_io_vec);
+	bio_put(bio);
+	if (atomic_dec_and_test(&super->s_pending_writes))
+		wake_up(&wq);
+}
+
+static int __bdev_writeseg(struct super_block *sb, u64 ofs, pgoff_t index,
+		size_t nr_pages)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct address_space *mapping = super->s_mapping_inode->i_mapping;
+	struct bio *bio;
+	struct page *page;
+	struct request_queue *q = bdev_get_queue(sb->s_bdev);
+	unsigned int max_pages = queue_max_hw_sectors(q) >> (PAGE_SHIFT - 9);
+	int i;
+
+	if (max_pages > BIO_MAX_PAGES)
+		max_pages = BIO_MAX_PAGES;
+	bio = bio_alloc(GFP_NOFS, max_pages);
+	BUG_ON(!bio);
+
+	for (i = 0; i < nr_pages; i++) {
+		if (i >= max_pages) {
+			/* Block layer cannot split bios :( */
+			bio->bi_vcnt = i;
+			bio->bi_idx = 0;
+			bio->bi_size = i * PAGE_SIZE;
+			bio->bi_bdev = super->s_bdev;
+			bio->bi_sector = ofs >> 9;
+			bio->bi_private = sb;
+			bio->bi_end_io = writeseg_end_io;
+			atomic_inc(&super->s_pending_writes);
+			submit_bio(WRITE, bio);
+
+			ofs += i * PAGE_SIZE;
+			index += i;
+			nr_pages -= i;
+			i = 0;
+
+			bio = bio_alloc(GFP_NOFS, max_pages);
+			BUG_ON(!bio);
+		}
+		page = find_lock_page(mapping, index + i);
+		BUG_ON(!page);
+		bio->bi_io_vec[i].bv_page = page;
+		bio->bi_io_vec[i].bv_len = PAGE_SIZE;
+		bio->bi_io_vec[i].bv_offset = 0;
+
+		BUG_ON(PageWriteback(page));
+		set_page_writeback(page);
+		unlock_page(page);
+	}
+	bio->bi_vcnt = nr_pages;
+	bio->bi_idx = 0;
+	bio->bi_size = nr_pages * PAGE_SIZE;
+	bio->bi_bdev = super->s_bdev;
+	bio->bi_sector = ofs >> 9;
+	bio->bi_private = sb;
+	bio->bi_end_io = writeseg_end_io;
+	atomic_inc(&super->s_pending_writes);
+	submit_bio(WRITE, bio);
+	return 0;
+}
+
+static void bdev_writeseg(struct super_block *sb, u64 ofs, size_t len)
+{
+	struct logfs_super *super = logfs_super(sb);
+	int head;
+
+	BUG_ON(super->s_flags & LOGFS_SB_FLAG_RO);
+
+	if (len == 0) {
+		/* This can happen when the object fit perfectly into a
+		 * segment, the segment gets written per sync and subsequently
+		 * closed.
+		 */
+		return;
+	}
+	head = ofs & (PAGE_SIZE - 1);
+	if (head) {
+		ofs -= head;
+		len += head;
+	}
+	len = PAGE_ALIGN(len);
+	__bdev_writeseg(sb, ofs, ofs >> PAGE_SHIFT, len >> PAGE_SHIFT);
+	generic_unplug_device(bdev_get_queue(logfs_super(sb)->s_bdev));
+}
+
+
+static void erase_end_io(struct bio *bio, int err) 
+{ 
+	const int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags); 
+	struct super_block *sb = bio->bi_private; 
+	struct logfs_super *super = logfs_super(sb); 
+
+	BUG_ON(!uptodate); /* FIXME: Retry io or write elsewhere */ 
+	BUG_ON(err); 
+	BUG_ON(bio->bi_vcnt == 0); 
+	bio_put(bio); 
+	if (atomic_dec_and_test(&super->s_pending_writes))
+		wake_up(&wq); 
+} 
+
+static int do_erase(struct super_block *sb, u64 ofs, pgoff_t index,
+		size_t nr_pages)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct bio *bio;
+	struct request_queue *q = bdev_get_queue(sb->s_bdev);
+	unsigned int max_pages = queue_max_hw_sectors(q) >> (PAGE_SHIFT - 9);
+	int i;
+
+	if (max_pages > BIO_MAX_PAGES)
+		max_pages = BIO_MAX_PAGES;
+	bio = bio_alloc(GFP_NOFS, max_pages);
+	BUG_ON(!bio);
+
+	for (i = 0; i < nr_pages; i++) {
+		if (i >= max_pages) {
+			/* Block layer cannot split bios :( */
+			bio->bi_vcnt = i;
+			bio->bi_idx = 0;
+			bio->bi_size = i * PAGE_SIZE;
+			bio->bi_bdev = super->s_bdev;
+			bio->bi_sector = ofs >> 9;
+			bio->bi_private = sb;
+			bio->bi_end_io = erase_end_io;
+			atomic_inc(&super->s_pending_writes);
+			submit_bio(WRITE, bio);
+
+			ofs += i * PAGE_SIZE;
+			index += i;
+			nr_pages -= i;
+			i = 0;
+
+			bio = bio_alloc(GFP_NOFS, max_pages);
+			BUG_ON(!bio);
+		}
+		bio->bi_io_vec[i].bv_page = super->s_erase_page;
+		bio->bi_io_vec[i].bv_len = PAGE_SIZE;
+		bio->bi_io_vec[i].bv_offset = 0;
+	}
+	bio->bi_vcnt = nr_pages;
+	bio->bi_idx = 0;
+	bio->bi_size = nr_pages * PAGE_SIZE;
+	bio->bi_bdev = super->s_bdev;
+	bio->bi_sector = ofs >> 9;
+	bio->bi_private = sb;
+	bio->bi_end_io = erase_end_io;
+	atomic_inc(&super->s_pending_writes);
+	submit_bio(WRITE, bio);
+	return 0;
+}
+
+static int bdev_erase(struct super_block *sb, loff_t to, size_t len,
+		int ensure_write)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	BUG_ON(to & (PAGE_SIZE - 1));
+	BUG_ON(len & (PAGE_SIZE - 1));
+
+	if (super->s_flags & LOGFS_SB_FLAG_RO)
+		return -EROFS;
+
+	if (ensure_write) {
+		/*
+		 * Object store doesn't care whether erases happen or not.
+		 * But for the journal they are required.  Otherwise a scan
+		 * can find an old commit entry and assume it is the current
+		 * one, travelling back in time.
+		 */
+		do_erase(sb, to, to >> PAGE_SHIFT, len >> PAGE_SHIFT);
+	}
+
+	return 0;
+}
+
+static void bdev_sync(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	wait_event(wq, atomic_read(&super->s_pending_writes) == 0);
+}
+
+static struct page *bdev_find_first_sb(struct super_block *sb, u64 *ofs)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct address_space *mapping = super->s_mapping_inode->i_mapping;
+	filler_t *filler = bdev_readpage;
+
+	*ofs = 0;
+	return read_cache_page(mapping, 0, filler, sb);
+}
+
+static struct page *bdev_find_last_sb(struct super_block *sb, u64 *ofs)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct address_space *mapping = super->s_mapping_inode->i_mapping;
+	filler_t *filler = bdev_readpage;
+	u64 pos = (super->s_bdev->bd_inode->i_size & ~0xfffULL) - 0x1000;
+	pgoff_t index = pos >> PAGE_SHIFT;
+
+	*ofs = pos;
+	return read_cache_page(mapping, index, filler, sb);
+}
+
+static int bdev_write_sb(struct super_block *sb, struct page *page)
+{
+	struct block_device *bdev = logfs_super(sb)->s_bdev;
+
+	/* Nothing special to do for block devices. */
+	return sync_request(page, bdev, WRITE);
+}
+
+static void bdev_put_device(struct super_block *sb)
+{
+	close_bdev_exclusive(logfs_super(sb)->s_bdev, FMODE_READ|FMODE_WRITE);
+}
+
+static const struct logfs_device_ops bd_devops = {
+	.find_first_sb	= bdev_find_first_sb,
+	.find_last_sb	= bdev_find_last_sb,
+	.write_sb	= bdev_write_sb,
+	.readpage	= bdev_readpage,
+	.writeseg	= bdev_writeseg,
+	.erase		= bdev_erase,
+	.sync		= bdev_sync,
+	.put_device	= bdev_put_device,
+};
+
+int logfs_get_sb_bdev(struct file_system_type *type, int flags,
+		const char *devname, struct vfsmount *mnt)
+{
+	struct block_device *bdev;
+
+	bdev = open_bdev_exclusive(devname, FMODE_READ|FMODE_WRITE, type);
+	if (IS_ERR(bdev))
+		return PTR_ERR(bdev);
+
+	if (MAJOR(bdev->bd_dev) == MTD_BLOCK_MAJOR) {
+		int mtdnr = MINOR(bdev->bd_dev);
+		close_bdev_exclusive(bdev, FMODE_READ|FMODE_WRITE);
+		return logfs_get_sb_mtd(type, flags, mtdnr, mnt);
+	}
+
+	return logfs_get_sb_device(type, flags, NULL, bdev, &bd_devops, mnt);
+}
diff --git a/fs/logfs/dev_mtd.c b/fs/logfs/dev_mtd.c
new file mode 100644
index 000000000000..cafb6ef2e05b
--- /dev/null
+++ b/fs/logfs/dev_mtd.c
@@ -0,0 +1,254 @@
+/*
+ * fs/logfs/dev_mtd.c	- Device access methods for MTD
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2008 Joern Engel <joern@logfs.org>
+ */
+#include "logfs.h"
+#include <linux/completion.h>
+#include <linux/mount.h>
+#include <linux/sched.h>
+
+#define PAGE_OFS(ofs) ((ofs) & (PAGE_SIZE-1))
+
+static int mtd_read(struct super_block *sb, loff_t ofs, size_t len, void *buf)
+{
+	struct mtd_info *mtd = logfs_super(sb)->s_mtd;
+	size_t retlen;
+	int ret;
+
+	ret = mtd->read(mtd, ofs, len, &retlen, buf);
+	BUG_ON(ret == -EINVAL);
+	if (ret)
+		return ret;
+
+	/* Not sure if we should loop instead. */
+	if (retlen != len)
+		return -EIO;
+
+	return 0;
+}
+
+static int mtd_write(struct super_block *sb, loff_t ofs, size_t len, void *buf)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct mtd_info *mtd = super->s_mtd;
+	size_t retlen;
+	loff_t page_start, page_end;
+	int ret;
+
+	if (super->s_flags & LOGFS_SB_FLAG_RO)
+		return -EROFS;
+
+	BUG_ON((ofs >= mtd->size) || (len > mtd->size - ofs));
+	BUG_ON(ofs != (ofs >> super->s_writeshift) << super->s_writeshift);
+	BUG_ON(len > PAGE_CACHE_SIZE);
+	page_start = ofs & PAGE_CACHE_MASK;
+	page_end = PAGE_CACHE_ALIGN(ofs + len) - 1;
+	ret = mtd->write(mtd, ofs, len, &retlen, buf);
+	if (ret || (retlen != len))
+		return -EIO;
+
+	return 0;
+}
+
+/*
+ * For as long as I can remember (since about 2001) mtd->erase has been an
+ * asynchronous interface lacking the first driver to actually use the
+ * asynchronous properties.  So just to prevent the first implementor of such
+ * a thing from breaking logfs in 2350, we do the usual pointless dance to
+ * declare a completion variable and wait for completion before returning
+ * from mtd_erase().  What an excercise in futility!
+ */
+static void logfs_erase_callback(struct erase_info *ei)
+{
+	complete((struct completion *)ei->priv);
+}
+
+static int mtd_erase_mapping(struct super_block *sb, loff_t ofs, size_t len)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct address_space *mapping = super->s_mapping_inode->i_mapping;
+	struct page *page;
+	pgoff_t index = ofs >> PAGE_SHIFT;
+
+	for (index = ofs >> PAGE_SHIFT; index < (ofs + len) >> PAGE_SHIFT; index++) {
+		page = find_get_page(mapping, index);
+		if (!page)
+			continue;
+		memset(page_address(page), 0xFF, PAGE_SIZE);
+		page_cache_release(page);
+	}
+	return 0;
+}
+
+static int mtd_erase(struct super_block *sb, loff_t ofs, size_t len,
+		int ensure_write)
+{
+	struct mtd_info *mtd = logfs_super(sb)->s_mtd;
+	struct erase_info ei;
+	DECLARE_COMPLETION_ONSTACK(complete);
+	int ret;
+
+	BUG_ON(len % mtd->erasesize);
+	if (logfs_super(sb)->s_flags & LOGFS_SB_FLAG_RO)
+		return -EROFS;
+
+	memset(&ei, 0, sizeof(ei));
+	ei.mtd = mtd;
+	ei.addr = ofs;
+	ei.len = len;
+	ei.callback = logfs_erase_callback;
+	ei.priv = (long)&complete;
+	ret = mtd->erase(mtd, &ei);
+	if (ret)
+		return -EIO;
+
+	wait_for_completion(&complete);
+	if (ei.state != MTD_ERASE_DONE)
+		return -EIO;
+	return mtd_erase_mapping(sb, ofs, len);
+}
+
+static void mtd_sync(struct super_block *sb)
+{
+	struct mtd_info *mtd = logfs_super(sb)->s_mtd;
+
+	if (mtd->sync)
+		mtd->sync(mtd);
+}
+
+static int mtd_readpage(void *_sb, struct page *page)
+{
+	struct super_block *sb = _sb;
+	int err;
+
+	err = mtd_read(sb, page->index << PAGE_SHIFT, PAGE_SIZE,
+			page_address(page));
+	if (err == -EUCLEAN) {
+		err = 0;
+		/* FIXME: force GC this segment */
+	}
+	if (err) {
+		ClearPageUptodate(page);
+		SetPageError(page);
+	} else {
+		SetPageUptodate(page);
+		ClearPageError(page);
+	}
+	unlock_page(page);
+	return err;
+}
+
+static struct page *mtd_find_first_sb(struct super_block *sb, u64 *ofs)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct address_space *mapping = super->s_mapping_inode->i_mapping;
+	filler_t *filler = mtd_readpage;
+	struct mtd_info *mtd = super->s_mtd;
+
+	if (!mtd->block_isbad)
+		return NULL;
+
+	*ofs = 0;
+	while (mtd->block_isbad(mtd, *ofs)) {
+		*ofs += mtd->erasesize;
+		if (*ofs >= mtd->size)
+			return NULL;
+	}
+	BUG_ON(*ofs & ~PAGE_MASK);
+	return read_cache_page(mapping, *ofs >> PAGE_SHIFT, filler, sb);
+}
+
+static struct page *mtd_find_last_sb(struct super_block *sb, u64 *ofs)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct address_space *mapping = super->s_mapping_inode->i_mapping;
+	filler_t *filler = mtd_readpage;
+	struct mtd_info *mtd = super->s_mtd;
+
+	if (!mtd->block_isbad)
+		return NULL;
+
+	*ofs = mtd->size - mtd->erasesize;
+	while (mtd->block_isbad(mtd, *ofs)) {
+		*ofs -= mtd->erasesize;
+		if (*ofs <= 0)
+			return NULL;
+	}
+	*ofs = *ofs + mtd->erasesize - 0x1000;
+	BUG_ON(*ofs & ~PAGE_MASK);
+	return read_cache_page(mapping, *ofs >> PAGE_SHIFT, filler, sb);
+}
+
+static int __mtd_writeseg(struct super_block *sb, u64 ofs, pgoff_t index,
+		size_t nr_pages)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct address_space *mapping = super->s_mapping_inode->i_mapping;
+	struct page *page;
+	int i, err;
+
+	for (i = 0; i < nr_pages; i++) {
+		page = find_lock_page(mapping, index + i);
+		BUG_ON(!page);
+
+		err = mtd_write(sb, page->index << PAGE_SHIFT, PAGE_SIZE,
+				page_address(page));
+		unlock_page(page);
+		page_cache_release(page);
+		if (err)
+			return err;
+	}
+	return 0;
+}
+
+static void mtd_writeseg(struct super_block *sb, u64 ofs, size_t len)
+{
+	struct logfs_super *super = logfs_super(sb);
+	int head;
+
+	if (super->s_flags & LOGFS_SB_FLAG_RO)
+		return;
+
+	if (len == 0) {
+		/* This can happen when the object fit perfectly into a
+		 * segment, the segment gets written per sync and subsequently
+		 * closed.
+		 */
+		return;
+	}
+	head = ofs & (PAGE_SIZE - 1);
+	if (head) {
+		ofs -= head;
+		len += head;
+	}
+	len = PAGE_ALIGN(len);
+	__mtd_writeseg(sb, ofs, ofs >> PAGE_SHIFT, len >> PAGE_SHIFT);
+}
+
+static void mtd_put_device(struct super_block *sb)
+{
+	put_mtd_device(logfs_super(sb)->s_mtd);
+}
+
+static const struct logfs_device_ops mtd_devops = {
+	.find_first_sb	= mtd_find_first_sb,
+	.find_last_sb	= mtd_find_last_sb,
+	.readpage	= mtd_readpage,
+	.writeseg	= mtd_writeseg,
+	.erase		= mtd_erase,
+	.sync		= mtd_sync,
+	.put_device	= mtd_put_device,
+};
+
+int logfs_get_sb_mtd(struct file_system_type *type, int flags,
+		int mtdnr, struct vfsmount *mnt)
+{
+	struct mtd_info *mtd;
+	const struct logfs_device_ops *devops = &mtd_devops;
+
+	mtd = get_mtd_device(NULL, mtdnr);
+	return logfs_get_sb_device(type, flags, mtd, NULL, devops, mnt);
+}
diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c
new file mode 100644
index 000000000000..c76b4b5c7ff6
--- /dev/null
+++ b/fs/logfs/dir.c
@@ -0,0 +1,827 @@
+/*
+ * fs/logfs/dir.c	- directory-related code
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2008 Joern Engel <joern@logfs.org>
+ */
+#include "logfs.h"
+
+
+/*
+ * Atomic dir operations
+ *
+ * Directory operations are by default not atomic.  Dentries and Inodes are
+ * created/removed/altered in seperate operations.  Therefore we need to do
+ * a small amount of journaling.
+ *
+ * Create, link, mkdir, mknod and symlink all share the same function to do
+ * the work: __logfs_create.  This function works in two atomic steps:
+ * 1. allocate inode (remember in journal)
+ * 2. allocate dentry (clear journal)
+ *
+ * As we can only get interrupted between the two, when the inode we just
+ * created is simply stored in the anchor.  On next mount, if we were
+ * interrupted, we delete the inode.  From a users point of view the
+ * operation never happened.
+ *
+ * Unlink and rmdir also share the same function: unlink.  Again, this
+ * function works in two atomic steps
+ * 1. remove dentry (remember inode in journal)
+ * 2. unlink inode (clear journal)
+ *
+ * And again, on the next mount, if we were interrupted, we delete the inode.
+ * From a users point of view the operation succeeded.
+ *
+ * Rename is the real pain to deal with, harder than all the other methods
+ * combined.  Depending on the circumstances we can run into three cases.
+ * A "target rename" where the target dentry already existed, a "local
+ * rename" where both parent directories are identical or a "cross-directory
+ * rename" in the remaining case.
+ *
+ * Local rename is atomic, as the old dentry is simply rewritten with a new
+ * name.
+ *
+ * Cross-directory rename works in two steps, similar to __logfs_create and
+ * logfs_unlink:
+ * 1. Write new dentry (remember old dentry in journal)
+ * 2. Remove old dentry (clear journal)
+ *
+ * Here we remember a dentry instead of an inode.  On next mount, if we were
+ * interrupted, we delete the dentry.  From a users point of view, the
+ * operation succeeded.
+ *
+ * Target rename works in three atomic steps:
+ * 1. Attach old inode to new dentry (remember old dentry and new inode)
+ * 2. Remove old dentry (still remember the new inode)
+ * 3. Remove victim inode
+ *
+ * Here we remember both an inode an a dentry.  If we get interrupted
+ * between steps 1 and 2, we delete both the dentry and the inode.  If
+ * we get interrupted between steps 2 and 3, we delete just the inode.
+ * In either case, the remaining objects are deleted on next mount.  From
+ * a users point of view, the operation succeeded.
+ */
+
+static int write_dir(struct inode *dir, struct logfs_disk_dentry *dd,
+		loff_t pos)
+{
+	return logfs_inode_write(dir, dd, sizeof(*dd), pos, WF_LOCK, NULL);
+}
+
+static int write_inode(struct inode *inode)
+{
+	return __logfs_write_inode(inode, WF_LOCK);
+}
+
+static s64 dir_seek_data(struct inode *inode, s64 pos)
+{
+	s64 new_pos = logfs_seek_data(inode, pos);
+
+	return max(pos, new_pos - 1);
+}
+
+static int beyond_eof(struct inode *inode, loff_t bix)
+{
+	loff_t pos = bix << inode->i_sb->s_blocksize_bits;
+	return pos >= i_size_read(inode);
+}
+
+/*
+ * Prime value was chosen to be roughly 256 + 26.  r5 hash uses 11,
+ * so short names (len <= 9) don't even occupy the complete 32bit name
+ * space.  A prime >256 ensures short names quickly spread the 32bit
+ * name space.  Add about 26 for the estimated amount of information
+ * of each character and pick a prime nearby, preferrably a bit-sparse
+ * one.
+ */
+static u32 hash_32(const char *s, int len, u32 seed)
+{
+	u32 hash = seed;
+	int i;
+
+	for (i = 0; i < len; i++)
+		hash = hash * 293 + s[i];
+	return hash;
+}
+
+/*
+ * We have to satisfy several conflicting requirements here.  Small
+ * directories should stay fairly compact and not require too many
+ * indirect blocks.  The number of possible locations for a given hash
+ * should be small to make lookup() fast.  And we should try hard not
+ * to overflow the 32bit name space or nfs and 32bit host systems will
+ * be unhappy.
+ *
+ * So we use the following scheme.  First we reduce the hash to 0..15
+ * and try a direct block.  If that is occupied we reduce the hash to
+ * 16..255 and try an indirect block.  Same for 2x and 3x indirect
+ * blocks.  Lastly we reduce the hash to 0x800_0000 .. 0xffff_ffff,
+ * but use buckets containing eight entries instead of a single one.
+ *
+ * Using 16 entries should allow for a reasonable amount of hash
+ * collisions, so the 32bit name space can be packed fairly tight
+ * before overflowing.  Oh and currently we don't overflow but return
+ * and error.
+ *
+ * How likely are collisions?  Doing the appropriate math is beyond me
+ * and the Bronstein textbook.  But running a test program to brute
+ * force collisions for a couple of days showed that on average the
+ * first collision occurs after 598M entries, with 290M being the
+ * smallest result.  Obviously 21 entries could already cause a
+ * collision if all entries are carefully chosen.
+ */
+static pgoff_t hash_index(u32 hash, int round)
+{
+	u32 i0_blocks = I0_BLOCKS;
+	u32 i1_blocks = I1_BLOCKS;
+	u32 i2_blocks = I2_BLOCKS;
+	u32 i3_blocks = I3_BLOCKS;
+
+	switch (round) {
+	case 0:
+		return hash % i0_blocks;
+	case 1:
+		return i0_blocks + hash % (i1_blocks - i0_blocks);
+	case 2:
+		return i1_blocks + hash % (i2_blocks - i1_blocks);
+	case 3:
+		return i2_blocks + hash % (i3_blocks - i2_blocks);
+	case 4 ... 19:
+		return i3_blocks + 16 * (hash % (((1<<31) - i3_blocks) / 16))
+			+ round - 4;
+	}
+	BUG();
+}
+
+static struct page *logfs_get_dd_page(struct inode *dir, struct dentry *dentry)
+{
+	struct qstr *name = &dentry->d_name;
+	struct page *page;
+	struct logfs_disk_dentry *dd;
+	u32 hash = hash_32(name->name, name->len, 0);
+	pgoff_t index;
+	int round;
+
+	if (name->len > LOGFS_MAX_NAMELEN)
+		return ERR_PTR(-ENAMETOOLONG);
+
+	for (round = 0; round < 20; round++) {
+		index = hash_index(hash, round);
+
+		if (beyond_eof(dir, index))
+			return NULL;
+		if (!logfs_exist_block(dir, index))
+			continue;
+		page = read_cache_page(dir->i_mapping, index,
+				(filler_t *)logfs_readpage, NULL);
+		if (IS_ERR(page))
+			return page;
+		dd = kmap_atomic(page, KM_USER0);
+		BUG_ON(dd->namelen == 0);
+
+		if (name->len != be16_to_cpu(dd->namelen) ||
+				memcmp(name->name, dd->name, name->len)) {
+			kunmap_atomic(dd, KM_USER0);
+			page_cache_release(page);
+			continue;
+		}
+
+		kunmap_atomic(dd, KM_USER0);
+		return page;
+	}
+	return NULL;
+}
+
+static int logfs_remove_inode(struct inode *inode)
+{
+	int ret;
+
+	inode->i_nlink--;
+	ret = write_inode(inode);
+	LOGFS_BUG_ON(ret, inode->i_sb);
+	return ret;
+}
+
+static void abort_transaction(struct inode *inode, struct logfs_transaction *ta)
+{
+	if (logfs_inode(inode)->li_block)
+		logfs_inode(inode)->li_block->ta = NULL;
+	kfree(ta);
+}
+
+static int logfs_unlink(struct inode *dir, struct dentry *dentry)
+{
+	struct logfs_super *super = logfs_super(dir->i_sb);
+	struct inode *inode = dentry->d_inode;
+	struct logfs_transaction *ta;
+	struct page *page;
+	pgoff_t index;
+	int ret;
+
+	ta = kzalloc(sizeof(*ta), GFP_KERNEL);
+	if (!ta)
+		return -ENOMEM;
+
+	ta->state = UNLINK_1;
+	ta->ino = inode->i_ino;
+
+	inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+
+	page = logfs_get_dd_page(dir, dentry);
+	if (!page) {
+		kfree(ta);
+		return -ENOENT;
+	}
+	if (IS_ERR(page)) {
+		kfree(ta);
+		return PTR_ERR(page);
+	}
+	index = page->index;
+	page_cache_release(page);
+
+	mutex_lock(&super->s_dirop_mutex);
+	logfs_add_transaction(dir, ta);
+
+	ret = logfs_delete(dir, index, NULL);
+	if (!ret)
+		ret = write_inode(dir);
+
+	if (ret) {
+		abort_transaction(dir, ta);
+		printk(KERN_ERR"LOGFS: unable to delete inode\n");
+		goto out;
+	}
+
+	ta->state = UNLINK_2;
+	logfs_add_transaction(inode, ta);
+	ret = logfs_remove_inode(inode);
+out:
+	mutex_unlock(&super->s_dirop_mutex);
+	return ret;
+}
+
+static inline int logfs_empty_dir(struct inode *dir)
+{
+	u64 data;
+
+	data = logfs_seek_data(dir, 0) << dir->i_sb->s_blocksize_bits;
+	return data >= i_size_read(dir);
+}
+
+static int logfs_rmdir(struct inode *dir, struct dentry *dentry)
+{
+	struct inode *inode = dentry->d_inode;
+
+	if (!logfs_empty_dir(inode))
+		return -ENOTEMPTY;
+
+	return logfs_unlink(dir, dentry);
+}
+
+/* FIXME: readdir currently has it's own dir_walk code.  I don't see a good
+ * way to combine the two copies */
+#define IMPLICIT_NODES 2
+static int __logfs_readdir(struct file *file, void *buf, filldir_t filldir)
+{
+	struct inode *dir = file->f_dentry->d_inode;
+	loff_t pos = file->f_pos - IMPLICIT_NODES;
+	struct page *page;
+	struct logfs_disk_dentry *dd;
+	int full;
+
+	BUG_ON(pos < 0);
+	for (;; pos++) {
+		if (beyond_eof(dir, pos))
+			break;
+		if (!logfs_exist_block(dir, pos)) {
+			/* deleted dentry */
+			pos = dir_seek_data(dir, pos);
+			continue;
+		}
+		page = read_cache_page(dir->i_mapping, pos,
+				(filler_t *)logfs_readpage, NULL);
+		if (IS_ERR(page))
+			return PTR_ERR(page);
+		dd = kmap(page);
+		BUG_ON(dd->namelen == 0);
+
+		full = filldir(buf, (char *)dd->name, be16_to_cpu(dd->namelen),
+				pos, be64_to_cpu(dd->ino), dd->type);
+		kunmap(page);
+		page_cache_release(page);
+		if (full)
+			break;
+	}
+
+	file->f_pos = pos + IMPLICIT_NODES;
+	return 0;
+}
+
+static int logfs_readdir(struct file *file, void *buf, filldir_t filldir)
+{
+	struct inode *inode = file->f_dentry->d_inode;
+	ino_t pino = parent_ino(file->f_dentry);
+	int err;
+
+	if (file->f_pos < 0)
+		return -EINVAL;
+
+	if (file->f_pos == 0) {
+		if (filldir(buf, ".", 1, 1, inode->i_ino, DT_DIR) < 0)
+			return 0;
+		file->f_pos++;
+	}
+	if (file->f_pos == 1) {
+		if (filldir(buf, "..", 2, 2, pino, DT_DIR) < 0)
+			return 0;
+		file->f_pos++;
+	}
+
+	err = __logfs_readdir(file, buf, filldir);
+	return err;
+}
+
+static void logfs_set_name(struct logfs_disk_dentry *dd, struct qstr *name)
+{
+	dd->namelen = cpu_to_be16(name->len);
+	memcpy(dd->name, name->name, name->len);
+}
+
+static struct dentry *logfs_lookup(struct inode *dir, struct dentry *dentry,
+		struct nameidata *nd)
+{
+	struct page *page;
+	struct logfs_disk_dentry *dd;
+	pgoff_t index;
+	u64 ino = 0;
+	struct inode *inode;
+
+	page = logfs_get_dd_page(dir, dentry);
+	if (IS_ERR(page))
+		return ERR_CAST(page);
+	if (!page) {
+		d_add(dentry, NULL);
+		return NULL;
+	}
+	index = page->index;
+	dd = kmap_atomic(page, KM_USER0);
+	ino = be64_to_cpu(dd->ino);
+	kunmap_atomic(dd, KM_USER0);
+	page_cache_release(page);
+
+	inode = logfs_iget(dir->i_sb, ino);
+	if (IS_ERR(inode)) {
+		printk(KERN_ERR"LogFS: Cannot read inode #%llx for dentry (%lx, %lx)n",
+				ino, dir->i_ino, index);
+		return ERR_CAST(inode);
+	}
+	return d_splice_alias(inode, dentry);
+}
+
+static void grow_dir(struct inode *dir, loff_t index)
+{
+	index = (index + 1) << dir->i_sb->s_blocksize_bits;
+	if (i_size_read(dir) < index)
+		i_size_write(dir, index);
+}
+
+static int logfs_write_dir(struct inode *dir, struct dentry *dentry,
+		struct inode *inode)
+{
+	struct page *page;
+	struct logfs_disk_dentry *dd;
+	u32 hash = hash_32(dentry->d_name.name, dentry->d_name.len, 0);
+	pgoff_t index;
+	int round, err;
+
+	for (round = 0; round < 20; round++) {
+		index = hash_index(hash, round);
+
+		if (logfs_exist_block(dir, index))
+			continue;
+		page = find_or_create_page(dir->i_mapping, index, GFP_KERNEL);
+		if (!page)
+			return -ENOMEM;
+
+		dd = kmap_atomic(page, KM_USER0);
+		memset(dd, 0, sizeof(*dd));
+		dd->ino = cpu_to_be64(inode->i_ino);
+		dd->type = logfs_type(inode);
+		logfs_set_name(dd, &dentry->d_name);
+		kunmap_atomic(dd, KM_USER0);
+
+		err = logfs_write_buf(dir, page, WF_LOCK);
+		unlock_page(page);
+		page_cache_release(page);
+		if (!err)
+			grow_dir(dir, index);
+		return err;
+	}
+	/* FIXME: Is there a better return value?  In most cases neither
+	 * the filesystem nor the directory are full.  But we have had
+	 * too many collisions for this particular hash and no fallback.
+	 */
+	return -ENOSPC;
+}
+
+static int __logfs_create(struct inode *dir, struct dentry *dentry,
+		struct inode *inode, const char *dest, long destlen)
+{
+	struct logfs_super *super = logfs_super(dir->i_sb);
+	struct logfs_inode *li = logfs_inode(inode);
+	struct logfs_transaction *ta;
+	int ret;
+
+	ta = kzalloc(sizeof(*ta), GFP_KERNEL);
+	if (!ta)
+		return -ENOMEM;
+
+	ta->state = CREATE_1;
+	ta->ino = inode->i_ino;
+	mutex_lock(&super->s_dirop_mutex);
+	logfs_add_transaction(inode, ta);
+
+	if (dest) {
+		/* symlink */
+		ret = logfs_inode_write(inode, dest, destlen, 0, WF_LOCK, NULL);
+		if (!ret)
+			ret = write_inode(inode);
+	} else {
+		/* creat/mkdir/mknod */
+		ret = write_inode(inode);
+	}
+	if (ret) {
+		abort_transaction(inode, ta);
+		li->li_flags |= LOGFS_IF_STILLBORN;
+		/* FIXME: truncate symlink */
+		inode->i_nlink--;
+		iput(inode);
+		goto out;
+	}
+
+	ta->state = CREATE_2;
+	logfs_add_transaction(dir, ta);
+	ret = logfs_write_dir(dir, dentry, inode);
+	/* sync directory */
+	if (!ret)
+		ret = write_inode(dir);
+
+	if (ret) {
+		logfs_del_transaction(dir, ta);
+		ta->state = CREATE_2;
+		logfs_add_transaction(inode, ta);
+		logfs_remove_inode(inode);
+		iput(inode);
+		goto out;
+	}
+	d_instantiate(dentry, inode);
+out:
+	mutex_unlock(&super->s_dirop_mutex);
+	return ret;
+}
+
+static int logfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
+{
+	struct inode *inode;
+
+	/*
+	 * FIXME: why do we have to fill in S_IFDIR, while the mode is
+	 * correct for mknod, creat, etc.?  Smells like the vfs *should*
+	 * do it for us but for some reason fails to do so.
+	 */
+	inode = logfs_new_inode(dir, S_IFDIR | mode);
+	if (IS_ERR(inode))
+		return PTR_ERR(inode);
+
+	inode->i_op = &logfs_dir_iops;
+	inode->i_fop = &logfs_dir_fops;
+
+	return __logfs_create(dir, dentry, inode, NULL, 0);
+}
+
+static int logfs_create(struct inode *dir, struct dentry *dentry, int mode,
+		struct nameidata *nd)
+{
+	struct inode *inode;
+
+	inode = logfs_new_inode(dir, mode);
+	if (IS_ERR(inode))
+		return PTR_ERR(inode);
+
+	inode->i_op = &logfs_reg_iops;
+	inode->i_fop = &logfs_reg_fops;
+	inode->i_mapping->a_ops = &logfs_reg_aops;
+
+	return __logfs_create(dir, dentry, inode, NULL, 0);
+}
+
+static int logfs_mknod(struct inode *dir, struct dentry *dentry, int mode,
+		dev_t rdev)
+{
+	struct inode *inode;
+
+	if (dentry->d_name.len > LOGFS_MAX_NAMELEN)
+		return -ENAMETOOLONG;
+
+	inode = logfs_new_inode(dir, mode);
+	if (IS_ERR(inode))
+		return PTR_ERR(inode);
+
+	init_special_inode(inode, mode, rdev);
+
+	return __logfs_create(dir, dentry, inode, NULL, 0);
+}
+
+static int logfs_symlink(struct inode *dir, struct dentry *dentry,
+		const char *target)
+{
+	struct inode *inode;
+	size_t destlen = strlen(target) + 1;
+
+	if (destlen > dir->i_sb->s_blocksize)
+		return -ENAMETOOLONG;
+
+	inode = logfs_new_inode(dir, S_IFLNK | 0777);
+	if (IS_ERR(inode))
+		return PTR_ERR(inode);
+
+	inode->i_op = &logfs_symlink_iops;
+	inode->i_mapping->a_ops = &logfs_reg_aops;
+
+	return __logfs_create(dir, dentry, inode, target, destlen);
+}
+
+static int logfs_permission(struct inode *inode, int mask)
+{
+	return generic_permission(inode, mask, NULL);
+}
+
+static int logfs_link(struct dentry *old_dentry, struct inode *dir,
+		struct dentry *dentry)
+{
+	struct inode *inode = old_dentry->d_inode;
+
+	if (inode->i_nlink >= LOGFS_LINK_MAX)
+		return -EMLINK;
+
+	inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+	atomic_inc(&inode->i_count);
+	inode->i_nlink++;
+	mark_inode_dirty_sync(inode);
+
+	return __logfs_create(dir, dentry, inode, NULL, 0);
+}
+
+static int logfs_get_dd(struct inode *dir, struct dentry *dentry,
+		struct logfs_disk_dentry *dd, loff_t *pos)
+{
+	struct page *page;
+	void *map;
+
+	page = logfs_get_dd_page(dir, dentry);
+	if (IS_ERR(page))
+		return PTR_ERR(page);
+	*pos = page->index;
+	map = kmap_atomic(page, KM_USER0);
+	memcpy(dd, map, sizeof(*dd));
+	kunmap_atomic(map, KM_USER0);
+	page_cache_release(page);
+	return 0;
+}
+
+static int logfs_delete_dd(struct inode *dir, loff_t pos)
+{
+	/*
+	 * Getting called with pos somewhere beyond eof is either a goofup
+	 * within this file or means someone maliciously edited the
+	 * (crc-protected) journal.
+	 */
+	BUG_ON(beyond_eof(dir, pos));
+	dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+	log_dir(" Delete dentry (%lx, %llx)\n", dir->i_ino, pos);
+	return logfs_delete(dir, pos, NULL);
+}
+
+/*
+ * Cross-directory rename, target does not exist.  Just a little nasty.
+ * Create a new dentry in the target dir, then remove the old dentry,
+ * all the while taking care to remember our operation in the journal.
+ */
+static int logfs_rename_cross(struct inode *old_dir, struct dentry *old_dentry,
+			      struct inode *new_dir, struct dentry *new_dentry)
+{
+	struct logfs_super *super = logfs_super(old_dir->i_sb);
+	struct logfs_disk_dentry dd;
+	struct logfs_transaction *ta;
+	loff_t pos;
+	int err;
+
+	/* 1. locate source dd */
+	err = logfs_get_dd(old_dir, old_dentry, &dd, &pos);
+	if (err)
+		return err;
+
+	ta = kzalloc(sizeof(*ta), GFP_KERNEL);
+	if (!ta)
+		return -ENOMEM;
+
+	ta->state = CROSS_RENAME_1;
+	ta->dir = old_dir->i_ino;
+	ta->pos = pos;
+
+	/* 2. write target dd */
+	mutex_lock(&super->s_dirop_mutex);
+	logfs_add_transaction(new_dir, ta);
+	err = logfs_write_dir(new_dir, new_dentry, old_dentry->d_inode);
+	if (!err)
+		err = write_inode(new_dir);
+
+	if (err) {
+		super->s_rename_dir = 0;
+		super->s_rename_pos = 0;
+		abort_transaction(new_dir, ta);
+		goto out;
+	}
+
+	/* 3. remove source dd */
+	ta->state = CROSS_RENAME_2;
+	logfs_add_transaction(old_dir, ta);
+	err = logfs_delete_dd(old_dir, pos);
+	if (!err)
+		err = write_inode(old_dir);
+	LOGFS_BUG_ON(err, old_dir->i_sb);
+out:
+	mutex_unlock(&super->s_dirop_mutex);
+	return err;
+}
+
+static int logfs_replace_inode(struct inode *dir, struct dentry *dentry,
+		struct logfs_disk_dentry *dd, struct inode *inode)
+{
+	loff_t pos;
+	int err;
+
+	err = logfs_get_dd(dir, dentry, dd, &pos);
+	if (err)
+		return err;
+	dd->ino = cpu_to_be64(inode->i_ino);
+	dd->type = logfs_type(inode);
+
+	err = write_dir(dir, dd, pos);
+	if (err)
+		return err;
+	log_dir("Replace dentry (%lx, %llx) %s -> %llx\n", dir->i_ino, pos,
+			dd->name, be64_to_cpu(dd->ino));
+	return write_inode(dir);
+}
+
+/* Target dentry exists - the worst case.  We need to attach the source
+ * inode to the target dentry, then remove the orphaned target inode and
+ * source dentry.
+ */
+static int logfs_rename_target(struct inode *old_dir, struct dentry *old_dentry,
+			       struct inode *new_dir, struct dentry *new_dentry)
+{
+	struct logfs_super *super = logfs_super(old_dir->i_sb);
+	struct inode *old_inode = old_dentry->d_inode;
+	struct inode *new_inode = new_dentry->d_inode;
+	int isdir = S_ISDIR(old_inode->i_mode);
+	struct logfs_disk_dentry dd;
+	struct logfs_transaction *ta;
+	loff_t pos;
+	int err;
+
+	BUG_ON(isdir != S_ISDIR(new_inode->i_mode));
+	if (isdir) {
+		if (!logfs_empty_dir(new_inode))
+			return -ENOTEMPTY;
+	}
+
+	/* 1. locate source dd */
+	err = logfs_get_dd(old_dir, old_dentry, &dd, &pos);
+	if (err)
+		return err;
+
+	ta = kzalloc(sizeof(*ta), GFP_KERNEL);
+	if (!ta)
+		return -ENOMEM;
+
+	ta->state = TARGET_RENAME_1;
+	ta->dir = old_dir->i_ino;
+	ta->pos = pos;
+	ta->ino = new_inode->i_ino;
+
+	/* 2. attach source inode to target dd */
+	mutex_lock(&super->s_dirop_mutex);
+	logfs_add_transaction(new_dir, ta);
+	err = logfs_replace_inode(new_dir, new_dentry, &dd, old_inode);
+	if (err) {
+		super->s_rename_dir = 0;
+		super->s_rename_pos = 0;
+		super->s_victim_ino = 0;
+		abort_transaction(new_dir, ta);
+		goto out;
+	}
+
+	/* 3. remove source dd */
+	ta->state = TARGET_RENAME_2;
+	logfs_add_transaction(old_dir, ta);
+	err = logfs_delete_dd(old_dir, pos);
+	if (!err)
+		err = write_inode(old_dir);
+	LOGFS_BUG_ON(err, old_dir->i_sb);
+
+	/* 4. remove target inode */
+	ta->state = TARGET_RENAME_3;
+	logfs_add_transaction(new_inode, ta);
+	err = logfs_remove_inode(new_inode);
+
+out:
+	mutex_unlock(&super->s_dirop_mutex);
+	return err;
+}
+
+static int logfs_rename(struct inode *old_dir, struct dentry *old_dentry,
+			struct inode *new_dir, struct dentry *new_dentry)
+{
+	if (new_dentry->d_inode)
+		return logfs_rename_target(old_dir, old_dentry,
+					   new_dir, new_dentry);
+	return logfs_rename_cross(old_dir, old_dentry, new_dir, new_dentry);
+}
+
+/* No locking done here, as this is called before .get_sb() returns. */
+int logfs_replay_journal(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct inode *inode;
+	u64 ino, pos;
+	int err;
+
+	if (super->s_victim_ino) {
+		/* delete victim inode */
+		ino = super->s_victim_ino;
+		printk(KERN_INFO"LogFS: delete unmapped inode #%llx\n", ino);
+		inode = logfs_iget(sb, ino);
+		if (IS_ERR(inode))
+			goto fail;
+
+		LOGFS_BUG_ON(i_size_read(inode) > 0, sb);
+		super->s_victim_ino = 0;
+		err = logfs_remove_inode(inode);
+		iput(inode);
+		if (err) {
+			super->s_victim_ino = ino;
+			goto fail;
+		}
+	}
+	if (super->s_rename_dir) {
+		/* delete old dd from rename */
+		ino = super->s_rename_dir;
+		pos = super->s_rename_pos;
+		printk(KERN_INFO"LogFS: delete unbacked dentry (%llx, %llx)\n",
+				ino, pos);
+		inode = logfs_iget(sb, ino);
+		if (IS_ERR(inode))
+			goto fail;
+
+		super->s_rename_dir = 0;
+		super->s_rename_pos = 0;
+		err = logfs_delete_dd(inode, pos);
+		iput(inode);
+		if (err) {
+			super->s_rename_dir = ino;
+			super->s_rename_pos = pos;
+			goto fail;
+		}
+	}
+	return 0;
+fail:
+	LOGFS_BUG(sb);
+	return -EIO;
+}
+
+const struct inode_operations logfs_symlink_iops = {
+	.readlink	= generic_readlink,
+	.follow_link	= page_follow_link_light,
+};
+
+const struct inode_operations logfs_dir_iops = {
+	.create		= logfs_create,
+	.link		= logfs_link,
+	.lookup		= logfs_lookup,
+	.mkdir		= logfs_mkdir,
+	.mknod		= logfs_mknod,
+	.rename		= logfs_rename,
+	.rmdir		= logfs_rmdir,
+	.permission	= logfs_permission,
+	.symlink	= logfs_symlink,
+	.unlink		= logfs_unlink,
+};
+const struct file_operations logfs_dir_fops = {
+	.fsync		= logfs_fsync,
+	.ioctl		= logfs_ioctl,
+	.readdir	= logfs_readdir,
+	.read		= generic_read_dir,
+};
diff --git a/fs/logfs/file.c b/fs/logfs/file.c
new file mode 100644
index 000000000000..370f367a933e
--- /dev/null
+++ b/fs/logfs/file.c
@@ -0,0 +1,263 @@
+/*
+ * fs/logfs/file.c	- prepare_write, commit_write and friends
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2008 Joern Engel <joern@logfs.org>
+ */
+#include "logfs.h"
+#include <linux/sched.h>
+#include <linux/writeback.h>
+
+static int logfs_write_begin(struct file *file, struct address_space *mapping,
+		loff_t pos, unsigned len, unsigned flags,
+		struct page **pagep, void **fsdata)
+{
+	struct inode *inode = mapping->host;
+	struct page *page;
+	pgoff_t index = pos >> PAGE_CACHE_SHIFT;
+
+	page = grab_cache_page_write_begin(mapping, index, flags);
+	if (!page)
+		return -ENOMEM;
+	*pagep = page;
+
+	if ((len == PAGE_CACHE_SIZE) || PageUptodate(page))
+		return 0;
+	if ((pos & PAGE_CACHE_MASK) >= i_size_read(inode)) {
+		unsigned start = pos & (PAGE_CACHE_SIZE - 1);
+		unsigned end = start + len;
+
+		/* Reading beyond i_size is simple: memset to zero */
+		zero_user_segments(page, 0, start, end, PAGE_CACHE_SIZE);
+		return 0;
+	}
+	return logfs_readpage_nolock(page);
+}
+
+static int logfs_write_end(struct file *file, struct address_space *mapping,
+		loff_t pos, unsigned len, unsigned copied, struct page *page,
+		void *fsdata)
+{
+	struct inode *inode = mapping->host;
+	pgoff_t index = page->index;
+	unsigned start = pos & (PAGE_CACHE_SIZE - 1);
+	unsigned end = start + copied;
+	int ret = 0;
+
+	BUG_ON(PAGE_CACHE_SIZE != inode->i_sb->s_blocksize);
+	BUG_ON(page->index > I3_BLOCKS);
+
+	if (copied < len) {
+		/*
+		 * Short write of a non-initialized paged.  Just tell userspace
+		 * to retry the entire page.
+		 */
+		if (!PageUptodate(page)) {
+			copied = 0;
+			goto out;
+		}
+	}
+	if (copied == 0)
+		goto out; /* FIXME: do we need to update inode? */
+
+	if (i_size_read(inode) < (index << PAGE_CACHE_SHIFT) + end) {
+		i_size_write(inode, (index << PAGE_CACHE_SHIFT) + end);
+		mark_inode_dirty_sync(inode);
+	}
+
+	SetPageUptodate(page);
+	if (!PageDirty(page)) {
+		if (!get_page_reserve(inode, page))
+			__set_page_dirty_nobuffers(page);
+		else
+			ret = logfs_write_buf(inode, page, WF_LOCK);
+	}
+out:
+	unlock_page(page);
+	page_cache_release(page);
+	return ret ? ret : copied;
+}
+
+int logfs_readpage(struct file *file, struct page *page)
+{
+	int ret;
+
+	ret = logfs_readpage_nolock(page);
+	unlock_page(page);
+	return ret;
+}
+
+/* Clear the page's dirty flag in the radix tree. */
+/* TODO: mucking with PageWriteback is silly.  Add a generic function to clear
+ * the dirty bit from the radix tree for filesystems that don't have to wait
+ * for page writeback to finish (i.e. any compressing filesystem).
+ */
+static void clear_radix_tree_dirty(struct page *page)
+{
+	BUG_ON(PagePrivate(page) || page->private);
+	set_page_writeback(page);
+	end_page_writeback(page);
+}
+
+static int __logfs_writepage(struct page *page)
+{
+	struct inode *inode = page->mapping->host;
+	int err;
+
+	err = logfs_write_buf(inode, page, WF_LOCK);
+	if (err)
+		set_page_dirty(page);
+	else
+		clear_radix_tree_dirty(page);
+	unlock_page(page);
+	return err;
+}
+
+static int logfs_writepage(struct page *page, struct writeback_control *wbc)
+{
+	struct inode *inode = page->mapping->host;
+	loff_t i_size = i_size_read(inode);
+	pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT;
+	unsigned offset;
+	u64 bix;
+	level_t level;
+
+	log_file("logfs_writepage(%lx, %lx, %p)\n", inode->i_ino, page->index,
+			page);
+
+	logfs_unpack_index(page->index, &bix, &level);
+
+	/* Indirect blocks are never truncated */
+	if (level != 0)
+		return __logfs_writepage(page);
+
+	/*
+	 * TODO: everything below is a near-verbatim copy of nobh_writepage().
+	 * The relevant bits should be factored out after logfs is merged.
+	 */
+
+	/* Is the page fully inside i_size? */
+	if (bix < end_index)
+		return __logfs_writepage(page);
+
+	 /* Is the page fully outside i_size? (truncate in progress) */
+	offset = i_size & (PAGE_CACHE_SIZE-1);
+	if (bix > end_index || offset == 0) {
+		unlock_page(page);
+		return 0; /* don't care */
+	}
+
+	/*
+	 * The page straddles i_size.  It must be zeroed out on each and every
+	 * writepage invokation because it may be mmapped.  "A file is mapped
+	 * in multiples of the page size.  For a file that is not a multiple of
+	 * the  page size, the remaining memory is zeroed when mapped, and
+	 * writes to that region are not written out to the file."
+	 */
+	zero_user_segment(page, offset, PAGE_CACHE_SIZE);
+	return __logfs_writepage(page);
+}
+
+static void logfs_invalidatepage(struct page *page, unsigned long offset)
+{
+	move_page_to_btree(page);
+	BUG_ON(PagePrivate(page) || page->private);
+}
+
+static int logfs_releasepage(struct page *page, gfp_t only_xfs_uses_this)
+{
+	return 0; /* None of these are easy to release */
+}
+
+
+int logfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+		unsigned long arg)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	unsigned int oldflags, flags;
+	int err;
+
+	switch (cmd) {
+	case FS_IOC_GETFLAGS:
+		flags = li->li_flags & LOGFS_FL_USER_VISIBLE;
+		return put_user(flags, (int __user *)arg);
+	case FS_IOC_SETFLAGS:
+		if (IS_RDONLY(inode))
+			return -EROFS;
+
+		if (!is_owner_or_cap(inode))
+			return -EACCES;
+
+		err = get_user(flags, (int __user *)arg);
+		if (err)
+			return err;
+
+		mutex_lock(&inode->i_mutex);
+		oldflags = li->li_flags;
+		flags &= LOGFS_FL_USER_MODIFIABLE;
+		flags |= oldflags & ~LOGFS_FL_USER_MODIFIABLE;
+		li->li_flags = flags;
+		mutex_unlock(&inode->i_mutex);
+
+		inode->i_ctime = CURRENT_TIME;
+		mark_inode_dirty_sync(inode);
+		return 0;
+
+	default:
+		return -ENOTTY;
+	}
+}
+
+int logfs_fsync(struct file *file, struct dentry *dentry, int datasync)
+{
+	struct super_block *sb = dentry->d_inode->i_sb;
+	struct logfs_super *super = logfs_super(sb);
+
+	/* FIXME: write anchor */
+	super->s_devops->sync(sb);
+	return 0;
+}
+
+static int logfs_setattr(struct dentry *dentry, struct iattr *attr)
+{
+	struct inode *inode = dentry->d_inode;
+	int err = 0;
+
+	if (attr->ia_valid & ATTR_SIZE)
+		err = logfs_truncate(inode, attr->ia_size);
+	attr->ia_valid &= ~ATTR_SIZE;
+
+	if (!err)
+		err = inode_change_ok(inode, attr);
+	if (!err)
+		err = inode_setattr(inode, attr);
+	return err;
+}
+
+const struct inode_operations logfs_reg_iops = {
+	.setattr	= logfs_setattr,
+};
+
+const struct file_operations logfs_reg_fops = {
+	.aio_read	= generic_file_aio_read,
+	.aio_write	= generic_file_aio_write,
+	.fsync		= logfs_fsync,
+	.ioctl		= logfs_ioctl,
+	.llseek		= generic_file_llseek,
+	.mmap		= generic_file_readonly_mmap,
+	.open		= generic_file_open,
+	.read		= do_sync_read,
+	.write		= do_sync_write,
+};
+
+const struct address_space_operations logfs_reg_aops = {
+	.invalidatepage	= logfs_invalidatepage,
+	.readpage	= logfs_readpage,
+	.releasepage	= logfs_releasepage,
+	.set_page_dirty	= __set_page_dirty_nobuffers,
+	.writepage	= logfs_writepage,
+	.writepages	= generic_writepages,
+	.write_begin	= logfs_write_begin,
+	.write_end	= logfs_write_end,
+};
diff --git a/fs/logfs/gc.c b/fs/logfs/gc.c
new file mode 100644
index 000000000000..92949f95a901
--- /dev/null
+++ b/fs/logfs/gc.c
@@ -0,0 +1,730 @@
+/*
+ * fs/logfs/gc.c	- garbage collection code
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2008 Joern Engel <joern@logfs.org>
+ */
+#include "logfs.h"
+#include <linux/sched.h>
+
+/*
+ * Wear leveling needs to kick in when the difference between low erase
+ * counts and high erase counts gets too big.  A good value for "too big"
+ * may be somewhat below 10% of maximum erase count for the device.
+ * Why not 397, to pick a nice round number with no specific meaning? :)
+ *
+ * WL_RATELIMIT is the minimum time between two wear level events.  A huge
+ * number of segments may fulfil the requirements for wear leveling at the
+ * same time.  If that happens we don't want to cause a latency from hell,
+ * but just gently pick one segment every so often and minimize overhead.
+ */
+#define WL_DELTA 397
+#define WL_RATELIMIT 100
+#define MAX_OBJ_ALIASES	2600
+#define SCAN_RATIO 512	/* number of scanned segments per gc'd segment */
+#define LIST_SIZE 64	/* base size of candidate lists */
+#define SCAN_ROUNDS 128	/* maximum number of complete medium scans */
+#define SCAN_ROUNDS_HIGH 4 /* maximum number of higher-level scans */
+
+static int no_free_segments(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	return super->s_free_list.count;
+}
+
+/* journal has distance -1, top-most ifile layer distance 0 */
+static u8 root_distance(struct super_block *sb, gc_level_t __gc_level)
+{
+	struct logfs_super *super = logfs_super(sb);
+	u8 gc_level = (__force u8)__gc_level;
+
+	switch (gc_level) {
+	case 0: /* fall through */
+	case 1: /* fall through */
+	case 2: /* fall through */
+	case 3:
+		/* file data or indirect blocks */
+		return super->s_ifile_levels + super->s_iblock_levels - gc_level;
+	case 6: /* fall through */
+	case 7: /* fall through */
+	case 8: /* fall through */
+	case 9:
+		/* inode file data or indirect blocks */
+		return super->s_ifile_levels - (gc_level - 6);
+	default:
+		printk(KERN_ERR"LOGFS: segment of unknown level %x found\n",
+				gc_level);
+		WARN_ON(1);
+		return super->s_ifile_levels + super->s_iblock_levels;
+	}
+}
+
+static int segment_is_reserved(struct super_block *sb, u32 segno)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_area *area;
+	void *reserved;
+	int i;
+
+	/* Some segments are reserved.  Just pretend they were all valid */
+	reserved = btree_lookup32(&super->s_reserved_segments, segno);
+	if (reserved)
+		return 1;
+
+	/* Currently open segments */
+	for_each_area(i) {
+		area = super->s_area[i];
+		if (area->a_is_open && area->a_segno == segno)
+			return 1;
+	}
+
+	return 0;
+}
+
+static void logfs_mark_segment_bad(struct super_block *sb, u32 segno)
+{
+	BUG();
+}
+
+/*
+ * Returns the bytes consumed by valid objects in this segment.  Object headers
+ * are counted, the segment header is not.
+ */
+static u32 logfs_valid_bytes(struct super_block *sb, u32 segno, u32 *ec,
+		gc_level_t *gc_level)
+{
+	struct logfs_segment_entry se;
+	u32 ec_level;
+
+	logfs_get_segment_entry(sb, segno, &se);
+	if (se.ec_level == cpu_to_be32(BADSEG) ||
+			se.valid == cpu_to_be32(RESERVED))
+		return RESERVED;
+
+	ec_level = be32_to_cpu(se.ec_level);
+	*ec = ec_level >> 4;
+	*gc_level = GC_LEVEL(ec_level & 0xf);
+	return be32_to_cpu(se.valid);
+}
+
+static void logfs_cleanse_block(struct super_block *sb, u64 ofs, u64 ino,
+		u64 bix, gc_level_t gc_level)
+{
+	struct inode *inode;
+	int err, cookie;
+
+	inode = logfs_safe_iget(sb, ino, &cookie);
+	err = logfs_rewrite_block(inode, bix, ofs, gc_level, 0);
+	BUG_ON(err);
+	logfs_safe_iput(inode, cookie);
+}
+
+static u32 logfs_gc_segment(struct super_block *sb, u32 segno, u8 dist)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_segment_header sh;
+	struct logfs_object_header oh;
+	u64 ofs, ino, bix;
+	u32 seg_ofs, logical_segno, cleaned = 0;
+	int err, len, valid;
+	gc_level_t gc_level;
+
+	LOGFS_BUG_ON(segment_is_reserved(sb, segno), sb);
+
+	btree_insert32(&super->s_reserved_segments, segno, (void *)1, GFP_NOFS);
+	err = wbuf_read(sb, dev_ofs(sb, segno, 0), sizeof(sh), &sh);
+	BUG_ON(err);
+	gc_level = GC_LEVEL(sh.level);
+	logical_segno = be32_to_cpu(sh.segno);
+	if (sh.crc != logfs_crc32(&sh, sizeof(sh), 4)) {
+		logfs_mark_segment_bad(sb, segno);
+		cleaned = -1;
+		goto out;
+	}
+
+	for (seg_ofs = LOGFS_SEGMENT_HEADERSIZE;
+			seg_ofs + sizeof(oh) < super->s_segsize; ) {
+		ofs = dev_ofs(sb, logical_segno, seg_ofs);
+		err = wbuf_read(sb, dev_ofs(sb, segno, seg_ofs), sizeof(oh),
+				&oh);
+		BUG_ON(err);
+
+		if (!memchr_inv(&oh, 0xff, sizeof(oh)))
+			break;
+
+		if (oh.crc != logfs_crc32(&oh, sizeof(oh) - 4, 4)) {
+			logfs_mark_segment_bad(sb, segno);
+			cleaned = super->s_segsize - 1;
+			goto out;
+		}
+
+		ino = be64_to_cpu(oh.ino);
+		bix = be64_to_cpu(oh.bix);
+		len = sizeof(oh) + be16_to_cpu(oh.len);
+		valid = logfs_is_valid_block(sb, ofs, ino, bix, gc_level);
+		if (valid == 1) {
+			logfs_cleanse_block(sb, ofs, ino, bix, gc_level);
+			cleaned += len;
+		} else if (valid == 2) {
+			/* Will be invalid upon journal commit */
+			cleaned += len;
+		}
+		seg_ofs += len;
+	}
+out:
+	btree_remove32(&super->s_reserved_segments, segno);
+	return cleaned;
+}
+
+static struct gc_candidate *add_list(struct gc_candidate *cand,
+		struct candidate_list *list)
+{
+	struct rb_node **p = &list->rb_tree.rb_node;
+	struct rb_node *parent = NULL;
+	struct gc_candidate *cur;
+	int comp;
+
+	cand->list = list;
+	while (*p) {
+		parent = *p;
+		cur = rb_entry(parent, struct gc_candidate, rb_node);
+
+		if (list->sort_by_ec)
+			comp = cand->erase_count < cur->erase_count;
+		else
+			comp = cand->valid < cur->valid;
+
+		if (comp)
+			p = &parent->rb_left;
+		else
+			p = &parent->rb_right;
+	}
+	rb_link_node(&cand->rb_node, parent, p);
+	rb_insert_color(&cand->rb_node, &list->rb_tree);
+
+	if (list->count <= list->maxcount) {
+		list->count++;
+		return NULL;
+	}
+	cand = rb_entry(rb_last(&list->rb_tree), struct gc_candidate, rb_node);
+	rb_erase(&cand->rb_node, &list->rb_tree);
+	cand->list = NULL;
+	return cand;
+}
+
+static void remove_from_list(struct gc_candidate *cand)
+{
+	struct candidate_list *list = cand->list;
+
+	rb_erase(&cand->rb_node, &list->rb_tree);
+	list->count--;
+}
+
+static void free_candidate(struct super_block *sb, struct gc_candidate *cand)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	btree_remove32(&super->s_cand_tree, cand->segno);
+	kfree(cand);
+}
+
+u32 get_best_cand(struct super_block *sb, struct candidate_list *list, u32 *ec)
+{
+	struct gc_candidate *cand;
+	u32 segno;
+
+	BUG_ON(list->count == 0);
+
+	cand = rb_entry(rb_first(&list->rb_tree), struct gc_candidate, rb_node);
+	remove_from_list(cand);
+	segno = cand->segno;
+	if (ec)
+		*ec = cand->erase_count;
+	free_candidate(sb, cand);
+	return segno;
+}
+
+/*
+ * We have several lists to manage segments with.  The reserve_list is used to
+ * deal with bad blocks.  We try to keep the best (lowest ec) segments on this
+ * list.
+ * The free_list contains free segments for normal usage.  It usually gets the
+ * second pick after the reserve_list.  But when the free_list is running short
+ * it is more important to keep the free_list full than to keep a reserve.
+ *
+ * Segments that are not free are put onto a per-level low_list.  If we have
+ * to run garbage collection, we pick a candidate from there.  All segments on
+ * those lists should have at least some free space so GC will make progress.
+ *
+ * And last we have the ec_list, which is used to pick segments for wear
+ * leveling.
+ *
+ * If all appropriate lists are full, we simply free the candidate and forget
+ * about that segment for a while.  We have better candidates for each purpose.
+ */
+static void __add_candidate(struct super_block *sb, struct gc_candidate *cand)
+{
+	struct logfs_super *super = logfs_super(sb);
+	u32 full = super->s_segsize - LOGFS_SEGMENT_RESERVE;
+
+	if (cand->valid == 0) {
+		/* 100% free segments */
+		log_gc_noisy("add reserve segment %x (ec %x) at %llx\n",
+				cand->segno, cand->erase_count,
+				dev_ofs(sb, cand->segno, 0));
+		cand = add_list(cand, &super->s_reserve_list);
+		if (cand) {
+			log_gc_noisy("add free segment %x (ec %x) at %llx\n",
+					cand->segno, cand->erase_count,
+					dev_ofs(sb, cand->segno, 0));
+			cand = add_list(cand, &super->s_free_list);
+		}
+	} else {
+		/* good candidates for Garbage Collection */
+		if (cand->valid < full)
+			cand = add_list(cand, &super->s_low_list[cand->dist]);
+		/* good candidates for wear leveling,
+		 * segments that were recently written get ignored */
+		if (cand)
+			cand = add_list(cand, &super->s_ec_list);
+	}
+	if (cand)
+		free_candidate(sb, cand);
+}
+
+static int add_candidate(struct super_block *sb, u32 segno, u32 valid, u32 ec,
+		u8 dist)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct gc_candidate *cand;
+
+	cand = kmalloc(sizeof(*cand), GFP_NOFS);
+	if (!cand)
+		return -ENOMEM;
+
+	cand->segno = segno;
+	cand->valid = valid;
+	cand->erase_count = ec;
+	cand->dist = dist;
+
+	btree_insert32(&super->s_cand_tree, segno, cand, GFP_NOFS);
+	__add_candidate(sb, cand);
+	return 0;
+}
+
+static void remove_segment_from_lists(struct super_block *sb, u32 segno)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct gc_candidate *cand;
+
+	cand = btree_lookup32(&super->s_cand_tree, segno);
+	if (cand) {
+		remove_from_list(cand);
+		free_candidate(sb, cand);
+	}
+}
+
+static void scan_segment(struct super_block *sb, u32 segno)
+{
+	u32 valid, ec = 0;
+	gc_level_t gc_level = 0;
+	u8 dist;
+
+	if (segment_is_reserved(sb, segno))
+		return;
+
+	remove_segment_from_lists(sb, segno);
+	valid = logfs_valid_bytes(sb, segno, &ec, &gc_level);
+	if (valid == RESERVED)
+		return;
+
+	dist = root_distance(sb, gc_level);
+	add_candidate(sb, segno, valid, ec, dist);
+}
+
+static struct gc_candidate *first_in_list(struct candidate_list *list)
+{
+	if (list->count == 0)
+		return NULL;
+	return rb_entry(rb_first(&list->rb_tree), struct gc_candidate, rb_node);
+}
+
+/*
+ * Find the best segment for garbage collection.  Main criterion is
+ * the segment requiring the least effort to clean.  Secondary
+ * criterion is to GC on the lowest level available.
+ *
+ * So we search the least effort segment on the lowest level first,
+ * then move up and pick another segment iff is requires significantly
+ * less effort.  Hence the LOGFS_MAX_OBJECTSIZE in the comparison.
+ */
+static struct gc_candidate *get_candidate(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	int i, max_dist;
+	struct gc_candidate *cand = NULL, *this;
+
+	max_dist = min(no_free_segments(sb), LOGFS_NO_AREAS);
+
+	for (i = max_dist; i >= 0; i--) {
+		this = first_in_list(&super->s_low_list[i]);
+		if (!this)
+			continue;
+		if (!cand)
+			cand = this;
+		if (this->valid + LOGFS_MAX_OBJECTSIZE <= cand->valid)
+			cand = this;
+	}
+	return cand;
+}
+
+static int __logfs_gc_once(struct super_block *sb, struct gc_candidate *cand)
+{
+	struct logfs_super *super = logfs_super(sb);
+	gc_level_t gc_level;
+	u32 cleaned, valid, segno, ec;
+	u8 dist;
+
+	if (!cand) {
+		log_gc("GC attempted, but no candidate found\n");
+		return 0;
+	}
+
+	segno = cand->segno;
+	dist = cand->dist;
+	valid = logfs_valid_bytes(sb, segno, &ec, &gc_level);
+	free_candidate(sb, cand);
+	log_gc("GC segment #%02x at %llx, %x required, %x free, %x valid, %llx free\n",
+			segno, (u64)segno << super->s_segshift,
+			dist, no_free_segments(sb), valid,
+			super->s_free_bytes);
+	cleaned = logfs_gc_segment(sb, segno, dist);
+	log_gc("GC segment #%02x complete - now %x valid\n", segno,
+			valid - cleaned);
+	BUG_ON(cleaned != valid);
+	return 1;
+}
+
+static int logfs_gc_once(struct super_block *sb)
+{
+	struct gc_candidate *cand;
+
+	cand = get_candidate(sb);
+	if (cand)
+		remove_from_list(cand);
+	return __logfs_gc_once(sb, cand);
+}
+
+/* returns 1 if a wrap occurs, 0 otherwise */
+static int logfs_scan_some(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	u32 segno;
+	int i, ret = 0;
+
+	segno = super->s_sweeper;
+	for (i = SCAN_RATIO; i > 0; i--) {
+		segno++;
+		if (segno >= super->s_no_segs) {
+			segno = 0;
+			ret = 1;
+			/* Break out of the loop.  We want to read a single
+			 * block from the segment size on next invocation if
+			 * SCAN_RATIO is set to match block size
+			 */
+			break;
+		}
+
+		scan_segment(sb, segno);
+	}
+	super->s_sweeper = segno;
+	return ret;
+}
+
+/*
+ * In principle, this function should loop forever, looking for GC candidates
+ * and moving data.  LogFS is designed in such a way that this loop is
+ * guaranteed to terminate.
+ *
+ * Limiting the loop to some iterations serves purely to catch cases when
+ * these guarantees have failed.  An actual endless loop is an obvious bug
+ * and should be reported as such.
+ */
+static void __logfs_gc_pass(struct super_block *sb, int target)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_block *block;
+	int round, progress, last_progress = 0;
+
+	if (no_free_segments(sb) >= target &&
+			super->s_no_object_aliases < MAX_OBJ_ALIASES)
+		return;
+
+	log_gc("__logfs_gc_pass(%x)\n", target);
+	for (round = 0; round < SCAN_ROUNDS; ) {
+		if (no_free_segments(sb) >= target)
+			goto write_alias;
+
+		/* Sync in-memory state with on-medium state in case they
+		 * diverged */
+		logfs_write_anchor(sb);
+		round += logfs_scan_some(sb);
+		if (no_free_segments(sb) >= target)
+			goto write_alias;
+		progress = logfs_gc_once(sb);
+		if (progress)
+			last_progress = round;
+		else if (round - last_progress > 2)
+			break;
+		continue;
+
+		/*
+		 * The goto logic is nasty, I just don't know a better way to
+		 * code it.  GC is supposed to ensure two things:
+		 * 1. Enough free segments are available.
+		 * 2. The number of aliases is bounded.
+		 * When 1. is achieved, we take a look at 2. and write back
+		 * some alias-containing blocks, if necessary.  However, after
+		 * each such write we need to go back to 1., as writes can
+		 * consume free segments.
+		 */
+write_alias:
+		if (super->s_no_object_aliases < MAX_OBJ_ALIASES)
+			return;
+		if (list_empty(&super->s_object_alias)) {
+			/* All aliases are still in btree */
+			return;
+		}
+		log_gc("Write back one alias\n");
+		block = list_entry(super->s_object_alias.next,
+				struct logfs_block, alias_list);
+		block->ops->write_block(block);
+		/*
+		 * To round off the nasty goto logic, we reset round here.  It
+		 * is a safety-net for GC not making any progress and limited
+		 * to something reasonably small.  If incremented it for every
+		 * single alias, the loop could terminate rather quickly.
+		 */
+		round = 0;
+	}
+	LOGFS_BUG(sb);
+}
+
+static int wl_ratelimit(struct super_block *sb, u64 *next_event)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	if (*next_event < super->s_gec) {
+		*next_event = super->s_gec + WL_RATELIMIT;
+		return 0;
+	}
+	return 1;
+}
+
+static void logfs_wl_pass(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct gc_candidate *wl_cand, *free_cand;
+
+	if (wl_ratelimit(sb, &super->s_wl_gec_ostore))
+		return;
+
+	wl_cand = first_in_list(&super->s_ec_list);
+	if (!wl_cand)
+		return;
+	free_cand = first_in_list(&super->s_free_list);
+	if (!free_cand)
+		return;
+
+	if (wl_cand->erase_count < free_cand->erase_count + WL_DELTA) {
+		remove_from_list(wl_cand);
+		__logfs_gc_once(sb, wl_cand);
+	}
+}
+
+/*
+ * The journal needs wear leveling as well.  But moving the journal is an
+ * expensive operation so we try to avoid it as much as possible.  And if we
+ * have to do it, we move the whole journal, not individual segments.
+ *
+ * Ratelimiting is not strictly necessary here, it mainly serves to avoid the
+ * calculations.  First we check whether moving the journal would be a
+ * significant improvement.  That means that a) the current journal segments
+ * have more wear than the future journal segments and b) the current journal
+ * segments have more wear than normal ostore segments.
+ * Rationale for b) is that we don't have to move the journal if it is aging
+ * less than the ostore, even if the reserve segments age even less (they are
+ * excluded from wear leveling, after all).
+ * Next we check that the superblocks have less wear than the journal.  Since
+ * moving the journal requires writing the superblocks, we have to protect the
+ * superblocks even more than the journal.
+ *
+ * Also we double the acceptable wear difference, compared to ostore wear
+ * leveling.  Journal data is read and rewritten rapidly, comparatively.  So
+ * soft errors have much less time to accumulate and we allow the journal to
+ * be a bit worse than the ostore.
+ */
+static void logfs_journal_wl_pass(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct gc_candidate *cand;
+	u32 min_journal_ec = -1, max_reserve_ec = 0;
+	int i;
+
+	if (wl_ratelimit(sb, &super->s_wl_gec_journal))
+		return;
+
+	if (super->s_reserve_list.count < super->s_no_journal_segs) {
+		/* Reserve is not full enough to move complete journal */
+		return;
+	}
+
+	journal_for_each(i)
+		if (super->s_journal_seg[i])
+			min_journal_ec = min(min_journal_ec,
+					super->s_journal_ec[i]);
+	cand = rb_entry(rb_first(&super->s_free_list.rb_tree),
+			struct gc_candidate, rb_node);
+	max_reserve_ec = cand->erase_count;
+	for (i = 0; i < 2; i++) {
+		struct logfs_segment_entry se;
+		u32 segno = seg_no(sb, super->s_sb_ofs[i]);
+		u32 ec;
+
+		logfs_get_segment_entry(sb, segno, &se);
+		ec = be32_to_cpu(se.ec_level) >> 4;
+		max_reserve_ec = max(max_reserve_ec, ec);
+	}
+
+	if (min_journal_ec > max_reserve_ec + 2 * WL_DELTA) {
+		do_logfs_journal_wl_pass(sb);
+	}
+}
+
+void logfs_gc_pass(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	//BUG_ON(mutex_trylock(&logfs_super(sb)->s_w_mutex));
+	/* Write journal before free space is getting saturated with dirty
+	 * objects.
+	 */
+	if (super->s_dirty_used_bytes + super->s_dirty_free_bytes
+			+ LOGFS_MAX_OBJECTSIZE >= super->s_free_bytes)
+		logfs_write_anchor(sb);
+	__logfs_gc_pass(sb, super->s_total_levels);
+	logfs_wl_pass(sb);
+	logfs_journal_wl_pass(sb);
+}
+
+static int check_area(struct super_block *sb, int i)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_area *area = super->s_area[i];
+	struct logfs_object_header oh;
+	u32 segno = area->a_segno;
+	u32 ofs = area->a_used_bytes;
+	__be32 crc;
+	int err;
+
+	if (!area->a_is_open)
+		return 0;
+
+	for (ofs = area->a_used_bytes;
+	     ofs <= super->s_segsize - sizeof(oh);
+	     ofs += (u32)be16_to_cpu(oh.len) + sizeof(oh)) {
+		err = wbuf_read(sb, dev_ofs(sb, segno, ofs), sizeof(oh), &oh);
+		if (err)
+			return err;
+
+		if (!memchr_inv(&oh, 0xff, sizeof(oh)))
+			break;
+
+		crc = logfs_crc32(&oh, sizeof(oh) - 4, 4);
+		if (crc != oh.crc) {
+			printk(KERN_INFO "interrupted header at %llx\n",
+					dev_ofs(sb, segno, ofs));
+			return 0;
+		}
+	}
+	if (ofs != area->a_used_bytes) {
+		printk(KERN_INFO "%x bytes unaccounted data found at %llx\n",
+				ofs - area->a_used_bytes,
+				dev_ofs(sb, segno, area->a_used_bytes));
+		area->a_used_bytes = ofs;
+	}
+	return 0;
+}
+
+int logfs_check_areas(struct super_block *sb)
+{
+	int i, err;
+
+	for_each_area(i) {
+		err = check_area(sb, i);
+		if (err)
+			return err;
+	}
+	return 0;
+}
+
+static void logfs_init_candlist(struct candidate_list *list, int maxcount,
+		int sort_by_ec)
+{
+	list->count = 0;
+	list->maxcount = maxcount;
+	list->sort_by_ec = sort_by_ec;
+	list->rb_tree = RB_ROOT;
+}
+
+int logfs_init_gc(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	int i;
+
+	btree_init_mempool32(&super->s_cand_tree, super->s_btree_pool);
+	logfs_init_candlist(&super->s_free_list, LIST_SIZE + SCAN_RATIO, 1);
+	logfs_init_candlist(&super->s_reserve_list,
+			super->s_bad_seg_reserve, 1);
+	for_each_area(i)
+		logfs_init_candlist(&super->s_low_list[i], LIST_SIZE, 0);
+	logfs_init_candlist(&super->s_ec_list, LIST_SIZE, 1);
+	return 0;
+}
+
+static void logfs_cleanup_list(struct super_block *sb,
+		struct candidate_list *list)
+{
+	struct gc_candidate *cand;
+
+	while (list->count) {
+		cand = rb_entry(list->rb_tree.rb_node, struct gc_candidate,
+				rb_node);
+		remove_from_list(cand);
+		free_candidate(sb, cand);
+	}
+	BUG_ON(list->rb_tree.rb_node);
+}
+
+void logfs_cleanup_gc(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	int i;
+
+	if (!super->s_free_list.count)
+		return;
+
+	/*
+	 * FIXME: The btree may still contain a single empty node.  So we
+	 * call the grim visitor to clean up that mess.  Btree code should
+	 * do it for us, really.
+	 */
+	btree_grim_visitor32(&super->s_cand_tree, 0, NULL);
+	logfs_cleanup_list(sb, &super->s_free_list);
+	logfs_cleanup_list(sb, &super->s_reserve_list);
+	for_each_area(i)
+		logfs_cleanup_list(sb, &super->s_low_list[i]);
+	logfs_cleanup_list(sb, &super->s_ec_list);
+}
diff --git a/fs/logfs/inode.c b/fs/logfs/inode.c
new file mode 100644
index 000000000000..33ec1aeaeec4
--- /dev/null
+++ b/fs/logfs/inode.c
@@ -0,0 +1,417 @@
+/*
+ * fs/logfs/inode.c	- inode handling code
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2008 Joern Engel <joern@logfs.org>
+ */
+#include "logfs.h"
+#include <linux/writeback.h>
+#include <linux/backing-dev.h>
+
+/*
+ * How soon to reuse old inode numbers?  LogFS doesn't store deleted inodes
+ * on the medium.  It therefore also lacks a method to store the previous
+ * generation number for deleted inodes.  Instead a single generation number
+ * is stored which will be used for new inodes.  Being just a 32bit counter,
+ * this can obvious wrap relatively quickly.  So we only reuse inodes if we
+ * know that a fair number of inodes can be created before we have to increment
+ * the generation again - effectively adding some bits to the counter.
+ * But being too aggressive here means we keep a very large and very sparse
+ * inode file, wasting space on indirect blocks.
+ * So what is a good value?  Beats me.  64k seems moderately bad on both
+ * fronts, so let's use that for now...
+ *
+ * NFS sucks, as everyone already knows.
+ */
+#define INOS_PER_WRAP (0x10000)
+
+/*
+ * Logfs' requirement to read inodes for garbage collection makes life a bit
+ * harder.  GC may have to read inodes that are in I_FREEING state, when they
+ * are being written out - and waiting for GC to make progress, naturally.
+ *
+ * So we cannot just call iget() or some variant of it, but first have to check
+ * wether the inode in question might be in I_FREEING state.  Therefore we
+ * maintain our own per-sb list of "almost deleted" inodes and check against
+ * that list first.  Normally this should be at most 1-2 entries long.
+ *
+ * Also, inodes have logfs-specific reference counting on top of what the vfs
+ * does.  When .destroy_inode is called, normally the reference count will drop
+ * to zero and the inode gets deleted.  But if GC accessed the inode, its
+ * refcount will remain nonzero and final deletion will have to wait.
+ *
+ * As a result we have two sets of functions to get/put inodes:
+ * logfs_safe_iget/logfs_safe_iput	- safe to call from GC context
+ * logfs_iget/iput			- normal version
+ */
+static struct kmem_cache *logfs_inode_cache;
+
+static DEFINE_SPINLOCK(logfs_inode_lock);
+
+static void logfs_inode_setops(struct inode *inode)
+{
+	switch (inode->i_mode & S_IFMT) {
+	case S_IFDIR:
+		inode->i_op = &logfs_dir_iops;
+		inode->i_fop = &logfs_dir_fops;
+		inode->i_mapping->a_ops = &logfs_reg_aops;
+		break;
+	case S_IFREG:
+		inode->i_op = &logfs_reg_iops;
+		inode->i_fop = &logfs_reg_fops;
+		inode->i_mapping->a_ops = &logfs_reg_aops;
+		break;
+	case S_IFLNK:
+		inode->i_op = &logfs_symlink_iops;
+		inode->i_mapping->a_ops = &logfs_reg_aops;
+		break;
+	case S_IFSOCK:	/* fall through */
+	case S_IFBLK:	/* fall through */
+	case S_IFCHR:	/* fall through */
+	case S_IFIFO:
+		init_special_inode(inode, inode->i_mode, inode->i_rdev);
+		break;
+	default:
+		BUG();
+	}
+}
+
+static struct inode *__logfs_iget(struct super_block *sb, ino_t ino)
+{
+	struct inode *inode = iget_locked(sb, ino);
+	int err;
+
+	if (!inode)
+		return ERR_PTR(-ENOMEM);
+	if (!(inode->i_state & I_NEW))
+		return inode;
+
+	err = logfs_read_inode(inode);
+	if (err || inode->i_nlink == 0) {
+		/* inode->i_nlink == 0 can be true when called from
+		 * block validator */
+		/* set i_nlink to 0 to prevent caching */
+		inode->i_nlink = 0;
+		logfs_inode(inode)->li_flags |= LOGFS_IF_ZOMBIE;
+		iget_failed(inode);
+		if (!err)
+			err = -ENOENT;
+		return ERR_PTR(err);
+	}
+
+	logfs_inode_setops(inode);
+	unlock_new_inode(inode);
+	return inode;
+}
+
+struct inode *logfs_iget(struct super_block *sb, ino_t ino)
+{
+	BUG_ON(ino == LOGFS_INO_MASTER);
+	BUG_ON(ino == LOGFS_INO_SEGFILE);
+	return __logfs_iget(sb, ino);
+}
+
+/*
+ * is_cached is set to 1 if we hand out a cached inode, 0 otherwise.
+ * this allows logfs_iput to do the right thing later
+ */
+struct inode *logfs_safe_iget(struct super_block *sb, ino_t ino, int *is_cached)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_inode *li;
+
+	if (ino == LOGFS_INO_MASTER)
+		return super->s_master_inode;
+	if (ino == LOGFS_INO_SEGFILE)
+		return super->s_segfile_inode;
+
+	spin_lock(&logfs_inode_lock);
+	list_for_each_entry(li, &super->s_freeing_list, li_freeing_list)
+		if (li->vfs_inode.i_ino == ino) {
+			li->li_refcount++;
+			spin_unlock(&logfs_inode_lock);
+			*is_cached = 1;
+			return &li->vfs_inode;
+		}
+	spin_unlock(&logfs_inode_lock);
+
+	*is_cached = 0;
+	return __logfs_iget(sb, ino);
+}
+
+static void __logfs_destroy_inode(struct inode *inode)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+
+	BUG_ON(li->li_block);
+	list_del(&li->li_freeing_list);
+	kmem_cache_free(logfs_inode_cache, li);
+}
+
+static void logfs_destroy_inode(struct inode *inode)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+
+	BUG_ON(list_empty(&li->li_freeing_list));
+	spin_lock(&logfs_inode_lock);
+	li->li_refcount--;
+	if (li->li_refcount == 0)
+		__logfs_destroy_inode(inode);
+	spin_unlock(&logfs_inode_lock);
+}
+
+void logfs_safe_iput(struct inode *inode, int is_cached)
+{
+	if (inode->i_ino == LOGFS_INO_MASTER)
+		return;
+	if (inode->i_ino == LOGFS_INO_SEGFILE)
+		return;
+
+	if (is_cached) {
+		logfs_destroy_inode(inode);
+		return;
+	}
+
+	iput(inode);
+}
+
+static void logfs_init_inode(struct super_block *sb, struct inode *inode)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	int i;
+
+	li->li_flags	= 0;
+	li->li_height	= 0;
+	li->li_used_bytes = 0;
+	li->li_block	= NULL;
+	inode->i_uid	= 0;
+	inode->i_gid	= 0;
+	inode->i_size	= 0;
+	inode->i_blocks	= 0;
+	inode->i_ctime	= CURRENT_TIME;
+	inode->i_mtime	= CURRENT_TIME;
+	inode->i_nlink	= 1;
+	INIT_LIST_HEAD(&li->li_freeing_list);
+
+	for (i = 0; i < LOGFS_EMBEDDED_FIELDS; i++)
+		li->li_data[i] = 0;
+
+	return;
+}
+
+static struct inode *logfs_alloc_inode(struct super_block *sb)
+{
+	struct logfs_inode *li;
+
+	li = kmem_cache_alloc(logfs_inode_cache, GFP_NOFS);
+	if (!li)
+		return NULL;
+	logfs_init_inode(sb, &li->vfs_inode);
+	return &li->vfs_inode;
+}
+
+/*
+ * In logfs inodes are written to an inode file.  The inode file, like any
+ * other file, is managed with a inode.  The inode file's inode, aka master
+ * inode, requires special handling in several respects.  First, it cannot be
+ * written to the inode file, so it is stored in the journal instead.
+ *
+ * Secondly, this inode cannot be written back and destroyed before all other
+ * inodes have been written.  The ordering is important.  Linux' VFS is happily
+ * unaware of the ordering constraint and would ordinarily destroy the master
+ * inode at umount time while other inodes are still in use and dirty.  Not
+ * good.
+ *
+ * So logfs makes sure the master inode is not written until all other inodes
+ * have been destroyed.  Sadly, this method has another side-effect.  The VFS
+ * will notice one remaining inode and print a frightening warning message.
+ * Worse, it is impossible to judge whether such a warning was caused by the
+ * master inode or any other inodes have leaked as well.
+ *
+ * Our attempt of solving this is with logfs_new_meta_inode() below.  Its
+ * purpose is to create a new inode that will not trigger the warning if such
+ * an inode is still in use.  An ugly hack, no doubt.  Suggections for
+ * improvement are welcome.
+ */
+struct inode *logfs_new_meta_inode(struct super_block *sb, u64 ino)
+{
+	struct inode *inode;
+
+	inode = logfs_alloc_inode(sb);
+	if (!inode)
+		return ERR_PTR(-ENOMEM);
+
+	inode->i_mode = S_IFREG;
+	inode->i_ino = ino;
+	inode->i_sb = sb;
+
+	/* This is a blatant copy of alloc_inode code.  We'd need alloc_inode
+	 * to be nonstatic, alas. */
+	{
+		struct address_space * const mapping = &inode->i_data;
+
+		mapping->a_ops = &logfs_reg_aops;
+		mapping->host = inode;
+		mapping->flags = 0;
+		mapping_set_gfp_mask(mapping, GFP_NOFS);
+		mapping->assoc_mapping = NULL;
+		mapping->backing_dev_info = &default_backing_dev_info;
+		inode->i_mapping = mapping;
+		inode->i_nlink = 1;
+	}
+
+	return inode;
+}
+
+struct inode *logfs_read_meta_inode(struct super_block *sb, u64 ino)
+{
+	struct inode *inode;
+	int err;
+
+	inode = logfs_new_meta_inode(sb, ino);
+	if (IS_ERR(inode))
+		return inode;
+
+	err = logfs_read_inode(inode);
+	if (err) {
+		destroy_meta_inode(inode);
+		return ERR_PTR(err);
+	}
+	logfs_inode_setops(inode);
+	return inode;
+}
+
+static int logfs_write_inode(struct inode *inode, struct writeback_control *wbc)
+{
+	int ret;
+	long flags = WF_LOCK;
+
+	/* Can only happen if creat() failed.  Safe to skip. */
+	if (logfs_inode(inode)->li_flags & LOGFS_IF_STILLBORN)
+		return 0;
+
+	ret = __logfs_write_inode(inode, flags);
+	LOGFS_BUG_ON(ret, inode->i_sb);
+	return ret;
+}
+
+void destroy_meta_inode(struct inode *inode)
+{
+	if (inode) {
+		if (inode->i_data.nrpages)
+			truncate_inode_pages(&inode->i_data, 0);
+		logfs_clear_inode(inode);
+		kmem_cache_free(logfs_inode_cache, logfs_inode(inode));
+	}
+}
+
+/* called with inode_lock held */
+static void logfs_drop_inode(struct inode *inode)
+{
+	struct logfs_super *super = logfs_super(inode->i_sb);
+	struct logfs_inode *li = logfs_inode(inode);
+
+	spin_lock(&logfs_inode_lock);
+	list_move(&li->li_freeing_list, &super->s_freeing_list);
+	spin_unlock(&logfs_inode_lock);
+	generic_drop_inode(inode);
+}
+
+static void logfs_set_ino_generation(struct super_block *sb,
+		struct inode *inode)
+{
+	struct logfs_super *super = logfs_super(sb);
+	u64 ino;
+
+	mutex_lock(&super->s_journal_mutex);
+	ino = logfs_seek_hole(super->s_master_inode, super->s_last_ino);
+	super->s_last_ino = ino;
+	super->s_inos_till_wrap--;
+	if (super->s_inos_till_wrap < 0) {
+		super->s_last_ino = LOGFS_RESERVED_INOS;
+		super->s_generation++;
+		super->s_inos_till_wrap = INOS_PER_WRAP;
+	}
+	inode->i_ino = ino;
+	inode->i_generation = super->s_generation;
+	mutex_unlock(&super->s_journal_mutex);
+}
+
+struct inode *logfs_new_inode(struct inode *dir, int mode)
+{
+	struct super_block *sb = dir->i_sb;
+	struct inode *inode;
+
+	inode = new_inode(sb);
+	if (!inode)
+		return ERR_PTR(-ENOMEM);
+
+	logfs_init_inode(sb, inode);
+
+	/* inherit parent flags */
+	logfs_inode(inode)->li_flags |=
+		logfs_inode(dir)->li_flags & LOGFS_FL_INHERITED;
+
+	inode->i_mode = mode;
+	logfs_set_ino_generation(sb, inode);
+
+	inode->i_uid = current_fsuid();
+	inode->i_gid = current_fsgid();
+	if (dir->i_mode & S_ISGID) {
+		inode->i_gid = dir->i_gid;
+		if (S_ISDIR(mode))
+			inode->i_mode |= S_ISGID;
+	}
+
+	logfs_inode_setops(inode);
+	insert_inode_hash(inode);
+
+	return inode;
+}
+
+static void logfs_init_once(void *_li)
+{
+	struct logfs_inode *li = _li;
+	int i;
+
+	li->li_flags = 0;
+	li->li_used_bytes = 0;
+	li->li_refcount = 1;
+	for (i = 0; i < LOGFS_EMBEDDED_FIELDS; i++)
+		li->li_data[i] = 0;
+	inode_init_once(&li->vfs_inode);
+}
+
+static int logfs_sync_fs(struct super_block *sb, int wait)
+{
+	/* FIXME: write anchor */
+	logfs_super(sb)->s_devops->sync(sb);
+	return 0;
+}
+
+const struct super_operations logfs_super_operations = {
+	.alloc_inode	= logfs_alloc_inode,
+	.clear_inode	= logfs_clear_inode,
+	.delete_inode	= logfs_delete_inode,
+	.destroy_inode	= logfs_destroy_inode,
+	.drop_inode	= logfs_drop_inode,
+	.write_inode	= logfs_write_inode,
+	.statfs		= logfs_statfs,
+	.sync_fs	= logfs_sync_fs,
+};
+
+int logfs_init_inode_cache(void)
+{
+	logfs_inode_cache = kmem_cache_create("logfs_inode_cache",
+			sizeof(struct logfs_inode), 0, SLAB_RECLAIM_ACCOUNT,
+			logfs_init_once);
+	if (!logfs_inode_cache)
+		return -ENOMEM;
+	return 0;
+}
+
+void logfs_destroy_inode_cache(void)
+{
+	kmem_cache_destroy(logfs_inode_cache);
+}
diff --git a/fs/logfs/journal.c b/fs/logfs/journal.c
new file mode 100644
index 000000000000..d57c7b07b60b
--- /dev/null
+++ b/fs/logfs/journal.c
@@ -0,0 +1,890 @@
+/*
+ * fs/logfs/journal.c	- journal handling code
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2008 Joern Engel <joern@logfs.org>
+ */
+#include "logfs.h"
+
+static void logfs_calc_free(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	u64 reserve, no_segs = super->s_no_segs;
+	s64 free;
+	int i;
+
+	/* superblock segments */
+	no_segs -= 2;
+	super->s_no_journal_segs = 0;
+	/* journal */
+	journal_for_each(i)
+		if (super->s_journal_seg[i]) {
+			no_segs--;
+			super->s_no_journal_segs++;
+		}
+
+	/* open segments plus one extra per level for GC */
+	no_segs -= 2 * super->s_total_levels;
+
+	free = no_segs * (super->s_segsize - LOGFS_SEGMENT_RESERVE);
+	free -= super->s_used_bytes;
+	/* just a bit extra */
+	free -= super->s_total_levels * 4096;
+
+	/* Bad blocks are 'paid' for with speed reserve - the filesystem
+	 * simply gets slower as bad blocks accumulate.  Until the bad blocks
+	 * exceed the speed reserve - then the filesystem gets smaller.
+	 */
+	reserve = super->s_bad_segments + super->s_bad_seg_reserve;
+	reserve *= super->s_segsize - LOGFS_SEGMENT_RESERVE;
+	reserve = max(reserve, super->s_speed_reserve);
+	free -= reserve;
+	if (free < 0)
+		free = 0;
+
+	super->s_free_bytes = free;
+}
+
+static void reserve_sb_and_journal(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct btree_head32 *head = &super->s_reserved_segments;
+	int i, err;
+
+	err = btree_insert32(head, seg_no(sb, super->s_sb_ofs[0]), (void *)1,
+			GFP_KERNEL);
+	BUG_ON(err);
+
+	err = btree_insert32(head, seg_no(sb, super->s_sb_ofs[1]), (void *)1,
+			GFP_KERNEL);
+	BUG_ON(err);
+
+	journal_for_each(i) {
+		if (!super->s_journal_seg[i])
+			continue;
+		err = btree_insert32(head, super->s_journal_seg[i], (void *)1,
+				GFP_KERNEL);
+		BUG_ON(err);
+	}
+}
+
+static void read_dynsb(struct super_block *sb,
+		struct logfs_je_dynsb *dynsb)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	super->s_gec		= be64_to_cpu(dynsb->ds_gec);
+	super->s_sweeper	= be64_to_cpu(dynsb->ds_sweeper);
+	super->s_victim_ino	= be64_to_cpu(dynsb->ds_victim_ino);
+	super->s_rename_dir	= be64_to_cpu(dynsb->ds_rename_dir);
+	super->s_rename_pos	= be64_to_cpu(dynsb->ds_rename_pos);
+	super->s_used_bytes	= be64_to_cpu(dynsb->ds_used_bytes);
+	super->s_generation	= be32_to_cpu(dynsb->ds_generation);
+}
+
+static void read_anchor(struct super_block *sb,
+		struct logfs_je_anchor *da)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct inode *inode = super->s_master_inode;
+	struct logfs_inode *li = logfs_inode(inode);
+	int i;
+
+	super->s_last_ino = be64_to_cpu(da->da_last_ino);
+	li->li_flags	= 0;
+	li->li_height	= da->da_height;
+	i_size_write(inode, be64_to_cpu(da->da_size));
+	li->li_used_bytes = be64_to_cpu(da->da_used_bytes);
+
+	for (i = 0; i < LOGFS_EMBEDDED_FIELDS; i++)
+		li->li_data[i] = be64_to_cpu(da->da_data[i]);
+}
+
+static void read_erasecount(struct super_block *sb,
+		struct logfs_je_journal_ec *ec)
+{
+	struct logfs_super *super = logfs_super(sb);
+	int i;
+
+	journal_for_each(i)
+		super->s_journal_ec[i] = be32_to_cpu(ec->ec[i]);
+}
+
+static int read_area(struct super_block *sb, struct logfs_je_area *a)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_area *area = super->s_area[a->gc_level];
+	u64 ofs;
+	u32 writemask = ~(super->s_writesize - 1);
+
+	if (a->gc_level >= LOGFS_NO_AREAS)
+		return -EIO;
+	if (a->vim != VIM_DEFAULT)
+		return -EIO; /* TODO: close area and continue */
+
+	area->a_used_bytes = be32_to_cpu(a->used_bytes);
+	area->a_written_bytes = area->a_used_bytes & writemask;
+	area->a_segno = be32_to_cpu(a->segno);
+	if (area->a_segno)
+		area->a_is_open = 1;
+
+	ofs = dev_ofs(sb, area->a_segno, area->a_written_bytes);
+	if (super->s_writesize > 1)
+		logfs_buf_recover(area, ofs, a + 1, super->s_writesize);
+	else
+		logfs_buf_recover(area, ofs, NULL, 0);
+	return 0;
+}
+
+static void *unpack(void *from, void *to)
+{
+	struct logfs_journal_header *jh = from;
+	void *data = from + sizeof(struct logfs_journal_header);
+	int err;
+	size_t inlen, outlen;
+
+	inlen = be16_to_cpu(jh->h_len);
+	outlen = be16_to_cpu(jh->h_datalen);
+
+	if (jh->h_compr == COMPR_NONE)
+		memcpy(to, data, inlen);
+	else {
+		err = logfs_uncompress(data, to, inlen, outlen);
+		BUG_ON(err);
+	}
+	return to;
+}
+
+static int __read_je_header(struct super_block *sb, u64 ofs,
+		struct logfs_journal_header *jh)
+{
+	struct logfs_super *super = logfs_super(sb);
+	size_t bufsize = max_t(size_t, sb->s_blocksize, super->s_writesize)
+		+ MAX_JOURNAL_HEADER;
+	u16 type, len, datalen;
+	int err;
+
+	/* read header only */
+	err = wbuf_read(sb, ofs, sizeof(*jh), jh);
+	if (err)
+		return err;
+	type = be16_to_cpu(jh->h_type);
+	len = be16_to_cpu(jh->h_len);
+	datalen = be16_to_cpu(jh->h_datalen);
+	if (len > sb->s_blocksize)
+		return -EIO;
+	if ((type < JE_FIRST) || (type > JE_LAST))
+		return -EIO;
+	if (datalen > bufsize)
+		return -EIO;
+	return 0;
+}
+
+static int __read_je_payload(struct super_block *sb, u64 ofs,
+		struct logfs_journal_header *jh)
+{
+	u16 len;
+	int err;
+
+	len = be16_to_cpu(jh->h_len);
+	err = wbuf_read(sb, ofs + sizeof(*jh), len, jh + 1);
+	if (err)
+		return err;
+	if (jh->h_crc != logfs_crc32(jh, len + sizeof(*jh), 4)) {
+		/* Old code was confused.  It forgot about the header length
+		 * and stopped calculating the crc 16 bytes before the end
+		 * of data - ick!
+		 * FIXME: Remove this hack once the old code is fixed.
+		 */
+		if (jh->h_crc == logfs_crc32(jh, len, 4))
+			WARN_ON_ONCE(1);
+		else
+			return -EIO;
+	}
+	return 0;
+}
+
+/*
+ * jh needs to be large enough to hold the complete entry, not just the header
+ */
+static int __read_je(struct super_block *sb, u64 ofs,
+		struct logfs_journal_header *jh)
+{
+	int err;
+
+	err = __read_je_header(sb, ofs, jh);
+	if (err)
+		return err;
+	return __read_je_payload(sb, ofs, jh);
+}
+
+static int read_je(struct super_block *sb, u64 ofs)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_journal_header *jh = super->s_compressed_je;
+	void *scratch = super->s_je;
+	u16 type, datalen;
+	int err;
+
+	err = __read_je(sb, ofs, jh);
+	if (err)
+		return err;
+	type = be16_to_cpu(jh->h_type);
+	datalen = be16_to_cpu(jh->h_datalen);
+
+	switch (type) {
+	case JE_DYNSB:
+		read_dynsb(sb, unpack(jh, scratch));
+		break;
+	case JE_ANCHOR:
+		read_anchor(sb, unpack(jh, scratch));
+		break;
+	case JE_ERASECOUNT:
+		read_erasecount(sb, unpack(jh, scratch));
+		break;
+	case JE_AREA:
+		read_area(sb, unpack(jh, scratch));
+		break;
+	case JE_OBJ_ALIAS:
+		err = logfs_load_object_aliases(sb, unpack(jh, scratch),
+				datalen);
+		break;
+	default:
+		WARN_ON_ONCE(1);
+		return -EIO;
+	}
+	return err;
+}
+
+static int logfs_read_segment(struct super_block *sb, u32 segno)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_journal_header *jh = super->s_compressed_je;
+	u64 ofs, seg_ofs = dev_ofs(sb, segno, 0);
+	u32 h_ofs, last_ofs = 0;
+	u16 len, datalen, last_len = 0;
+	int i, err;
+
+	/* search for most recent commit */
+	for (h_ofs = 0; h_ofs < super->s_segsize; h_ofs += sizeof(*jh)) {
+		ofs = seg_ofs + h_ofs;
+		err = __read_je_header(sb, ofs, jh);
+		if (err)
+			continue;
+		if (jh->h_type != cpu_to_be16(JE_COMMIT))
+			continue;
+		err = __read_je_payload(sb, ofs, jh);
+		if (err)
+			continue;
+		len = be16_to_cpu(jh->h_len);
+		datalen = be16_to_cpu(jh->h_datalen);
+		if ((datalen > sizeof(super->s_je_array)) ||
+				(datalen % sizeof(__be64)))
+			continue;
+		last_ofs = h_ofs;
+		last_len = datalen;
+		h_ofs += ALIGN(len, sizeof(*jh)) - sizeof(*jh);
+	}
+	/* read commit */
+	if (last_ofs == 0)
+		return -ENOENT;
+	ofs = seg_ofs + last_ofs;
+	log_journal("Read commit from %llx\n", ofs);
+	err = __read_je(sb, ofs, jh);
+	BUG_ON(err); /* We should have caught it in the scan loop already */
+	if (err)
+		return err;
+	/* uncompress */
+	unpack(jh, super->s_je_array);
+	super->s_no_je = last_len / sizeof(__be64);
+	/* iterate over array */
+	for (i = 0; i < super->s_no_je; i++) {
+		err = read_je(sb, be64_to_cpu(super->s_je_array[i]));
+		if (err)
+			return err;
+	}
+	super->s_journal_area->a_segno = segno;
+	return 0;
+}
+
+static u64 read_gec(struct super_block *sb, u32 segno)
+{
+	struct logfs_segment_header sh;
+	__be32 crc;
+	int err;
+
+	if (!segno)
+		return 0;
+	err = wbuf_read(sb, dev_ofs(sb, segno, 0), sizeof(sh), &sh);
+	if (err)
+		return 0;
+	crc = logfs_crc32(&sh, sizeof(sh), 4);
+	if (crc != sh.crc) {
+		WARN_ON(sh.gec != cpu_to_be64(0xffffffffffffffffull));
+		/* Most likely it was just erased */
+		return 0;
+	}
+	return be64_to_cpu(sh.gec);
+}
+
+static int logfs_read_journal(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	u64 gec[LOGFS_JOURNAL_SEGS], max;
+	u32 segno;
+	int i, max_i;
+
+	max = 0;
+	max_i = -1;
+	journal_for_each(i) {
+		segno = super->s_journal_seg[i];
+		gec[i] = read_gec(sb, super->s_journal_seg[i]);
+		if (gec[i] > max) {
+			max = gec[i];
+			max_i = i;
+		}
+	}
+	if (max_i == -1)
+		return -EIO;
+	/* FIXME: Try older segments in case of error */
+	return logfs_read_segment(sb, super->s_journal_seg[max_i]);
+}
+
+/*
+ * First search the current segment (outer loop), then pick the next segment
+ * in the array, skipping any zero entries (inner loop).
+ */
+static void journal_get_free_segment(struct logfs_area *area)
+{
+	struct logfs_super *super = logfs_super(area->a_sb);
+	int i;
+
+	journal_for_each(i) {
+		if (area->a_segno != super->s_journal_seg[i])
+			continue;
+
+		do {
+			i++;
+			if (i == LOGFS_JOURNAL_SEGS)
+				i = 0;
+		} while (!super->s_journal_seg[i]);
+
+		area->a_segno = super->s_journal_seg[i];
+		area->a_erase_count = ++(super->s_journal_ec[i]);
+		log_journal("Journal now at %x (ec %x)\n", area->a_segno,
+				area->a_erase_count);
+		return;
+	}
+	BUG();
+}
+
+static void journal_get_erase_count(struct logfs_area *area)
+{
+	/* erase count is stored globally and incremented in
+	 * journal_get_free_segment() - nothing to do here */
+}
+
+static int journal_erase_segment(struct logfs_area *area)
+{
+	struct super_block *sb = area->a_sb;
+	struct logfs_segment_header sh;
+	u64 ofs;
+	int err;
+
+	err = logfs_erase_segment(sb, area->a_segno, 1);
+	if (err)
+		return err;
+
+	sh.pad = 0;
+	sh.type = SEG_JOURNAL;
+	sh.level = 0;
+	sh.segno = cpu_to_be32(area->a_segno);
+	sh.ec = cpu_to_be32(area->a_erase_count);
+	sh.gec = cpu_to_be64(logfs_super(sb)->s_gec);
+	sh.crc = logfs_crc32(&sh, sizeof(sh), 4);
+
+	/* This causes a bug in segment.c.  Not yet. */
+	//logfs_set_segment_erased(sb, area->a_segno, area->a_erase_count, 0);
+
+	ofs = dev_ofs(sb, area->a_segno, 0);
+	area->a_used_bytes = ALIGN(sizeof(sh), 16);
+	logfs_buf_write(area, ofs, &sh, sizeof(sh));
+	return 0;
+}
+
+static size_t __logfs_write_header(struct logfs_super *super,
+		struct logfs_journal_header *jh, size_t len, size_t datalen,
+		u16 type, u8 compr)
+{
+	jh->h_len	= cpu_to_be16(len);
+	jh->h_type	= cpu_to_be16(type);
+	jh->h_datalen	= cpu_to_be16(datalen);
+	jh->h_compr	= compr;
+	jh->h_pad[0]	= 'H';
+	jh->h_pad[1]	= 'E';
+	jh->h_pad[2]	= 'A';
+	jh->h_pad[3]	= 'D';
+	jh->h_pad[4]	= 'R';
+	jh->h_crc	= logfs_crc32(jh, len + sizeof(*jh), 4);
+	return ALIGN(len, 16) + sizeof(*jh);
+}
+
+static size_t logfs_write_header(struct logfs_super *super,
+		struct logfs_journal_header *jh, size_t datalen, u16 type)
+{
+	size_t len = datalen;
+
+	return __logfs_write_header(super, jh, len, datalen, type, COMPR_NONE);
+}
+
+static inline size_t logfs_journal_erasecount_size(struct logfs_super *super)
+{
+	return LOGFS_JOURNAL_SEGS * sizeof(__be32);
+}
+
+static void *logfs_write_erasecount(struct super_block *sb, void *_ec,
+		u16 *type, size_t *len)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_je_journal_ec *ec = _ec;
+	int i;
+
+	journal_for_each(i)
+		ec->ec[i] = cpu_to_be32(super->s_journal_ec[i]);
+	*type = JE_ERASECOUNT;
+	*len = logfs_journal_erasecount_size(super);
+	return ec;
+}
+
+static void account_shadow(void *_shadow, unsigned long _sb, u64 ignore,
+		size_t ignore2)
+{
+	struct logfs_shadow *shadow = _shadow;
+	struct super_block *sb = (void *)_sb;
+	struct logfs_super *super = logfs_super(sb);
+
+	/* consume new space */
+	super->s_free_bytes	  -= shadow->new_len;
+	super->s_used_bytes	  += shadow->new_len;
+	super->s_dirty_used_bytes -= shadow->new_len;
+
+	/* free up old space */
+	super->s_free_bytes	  += shadow->old_len;
+	super->s_used_bytes	  -= shadow->old_len;
+	super->s_dirty_free_bytes -= shadow->old_len;
+
+	logfs_set_segment_used(sb, shadow->old_ofs, -shadow->old_len);
+	logfs_set_segment_used(sb, shadow->new_ofs, shadow->new_len);
+
+	log_journal("account_shadow(%llx, %llx, %x) %llx->%llx %x->%x\n",
+			shadow->ino, shadow->bix, shadow->gc_level,
+			shadow->old_ofs, shadow->new_ofs,
+			shadow->old_len, shadow->new_len);
+	mempool_free(shadow, super->s_shadow_pool);
+}
+
+static void account_shadows(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct inode *inode = super->s_master_inode;
+	struct logfs_inode *li = logfs_inode(inode);
+	struct shadow_tree *tree = &super->s_shadow_tree;
+
+	btree_grim_visitor64(&tree->new, (unsigned long)sb, account_shadow);
+	btree_grim_visitor64(&tree->old, (unsigned long)sb, account_shadow);
+
+	if (li->li_block) {
+		/*
+		 * We never actually use the structure, when attached to the
+		 * master inode.  But it is easier to always free it here than
+		 * to have checks in several places elsewhere when allocating
+		 * it.
+		 */
+		li->li_block->ops->free_block(sb, li->li_block);
+	}
+	BUG_ON((s64)li->li_used_bytes < 0);
+}
+
+static void *__logfs_write_anchor(struct super_block *sb, void *_da,
+		u16 *type, size_t *len)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_je_anchor *da = _da;
+	struct inode *inode = super->s_master_inode;
+	struct logfs_inode *li = logfs_inode(inode);
+	int i;
+
+	da->da_height	= li->li_height;
+	da->da_last_ino = cpu_to_be64(super->s_last_ino);
+	da->da_size	= cpu_to_be64(i_size_read(inode));
+	da->da_used_bytes = cpu_to_be64(li->li_used_bytes);
+	for (i = 0; i < LOGFS_EMBEDDED_FIELDS; i++)
+		da->da_data[i] = cpu_to_be64(li->li_data[i]);
+	*type = JE_ANCHOR;
+	*len = sizeof(*da);
+	return da;
+}
+
+static void *logfs_write_dynsb(struct super_block *sb, void *_dynsb,
+		u16 *type, size_t *len)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_je_dynsb *dynsb = _dynsb;
+
+	dynsb->ds_gec		= cpu_to_be64(super->s_gec);
+	dynsb->ds_sweeper	= cpu_to_be64(super->s_sweeper);
+	dynsb->ds_victim_ino	= cpu_to_be64(super->s_victim_ino);
+	dynsb->ds_rename_dir	= cpu_to_be64(super->s_rename_dir);
+	dynsb->ds_rename_pos	= cpu_to_be64(super->s_rename_pos);
+	dynsb->ds_used_bytes	= cpu_to_be64(super->s_used_bytes);
+	dynsb->ds_generation	= cpu_to_be32(super->s_generation);
+	*type = JE_DYNSB;
+	*len = sizeof(*dynsb);
+	return dynsb;
+}
+
+static void write_wbuf(struct super_block *sb, struct logfs_area *area,
+		void *wbuf)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct address_space *mapping = super->s_mapping_inode->i_mapping;
+	u64 ofs;
+	pgoff_t index;
+	int page_ofs;
+	struct page *page;
+
+	ofs = dev_ofs(sb, area->a_segno,
+			area->a_used_bytes & ~(super->s_writesize - 1));
+	index = ofs >> PAGE_SHIFT;
+	page_ofs = ofs & (PAGE_SIZE - 1);
+
+	page = find_lock_page(mapping, index);
+	BUG_ON(!page);
+	memcpy(wbuf, page_address(page) + page_ofs, super->s_writesize);
+	unlock_page(page);
+}
+
+static void *logfs_write_area(struct super_block *sb, void *_a,
+		u16 *type, size_t *len)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_area *area = super->s_area[super->s_sum_index];
+	struct logfs_je_area *a = _a;
+
+	a->vim = VIM_DEFAULT;
+	a->gc_level = super->s_sum_index;
+	a->used_bytes = cpu_to_be32(area->a_used_bytes);
+	a->segno = cpu_to_be32(area->a_segno);
+	if (super->s_writesize > 1)
+		write_wbuf(sb, area, a + 1);
+
+	*type = JE_AREA;
+	*len = sizeof(*a) + super->s_writesize;
+	return a;
+}
+
+static void *logfs_write_commit(struct super_block *sb, void *h,
+		u16 *type, size_t *len)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	*type = JE_COMMIT;
+	*len = super->s_no_je * sizeof(__be64);
+	return super->s_je_array;
+}
+
+static size_t __logfs_write_je(struct super_block *sb, void *buf, u16 type,
+		size_t len)
+{
+	struct logfs_super *super = logfs_super(sb);
+	void *header = super->s_compressed_je;
+	void *data = header + sizeof(struct logfs_journal_header);
+	ssize_t compr_len, pad_len;
+	u8 compr = COMPR_ZLIB;
+
+	if (len == 0)
+		return logfs_write_header(super, header, 0, type);
+
+	compr_len = logfs_compress(buf, data, len, sb->s_blocksize);
+	if (compr_len < 0 || type == JE_ANCHOR) {
+		BUG_ON(len > sb->s_blocksize);
+		memcpy(data, buf, len);
+		compr_len = len;
+		compr = COMPR_NONE;
+	}
+
+	pad_len = ALIGN(compr_len, 16);
+	memset(data + compr_len, 0, pad_len - compr_len);
+
+	return __logfs_write_header(super, header, compr_len, len, type, compr);
+}
+
+static s64 logfs_get_free_bytes(struct logfs_area *area, size_t *bytes,
+		int must_pad)
+{
+	u32 writesize = logfs_super(area->a_sb)->s_writesize;
+	s32 ofs;
+	int ret;
+
+	ret = logfs_open_area(area, *bytes);
+	if (ret)
+		return -EAGAIN;
+
+	ofs = area->a_used_bytes;
+	area->a_used_bytes += *bytes;
+
+	if (must_pad) {
+		area->a_used_bytes = ALIGN(area->a_used_bytes, writesize);
+		*bytes = area->a_used_bytes - ofs;
+	}
+
+	return dev_ofs(area->a_sb, area->a_segno, ofs);
+}
+
+static int logfs_write_je_buf(struct super_block *sb, void *buf, u16 type,
+		size_t buf_len)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_area *area = super->s_journal_area;
+	struct logfs_journal_header *jh = super->s_compressed_je;
+	size_t len;
+	int must_pad = 0;
+	s64 ofs;
+
+	len = __logfs_write_je(sb, buf, type, buf_len);
+	if (jh->h_type == cpu_to_be16(JE_COMMIT))
+		must_pad = 1;
+
+	ofs = logfs_get_free_bytes(area, &len, must_pad);
+	if (ofs < 0)
+		return ofs;
+	logfs_buf_write(area, ofs, super->s_compressed_je, len);
+	super->s_je_array[super->s_no_je++] = cpu_to_be64(ofs);
+	return 0;
+}
+
+static int logfs_write_je(struct super_block *sb,
+		void* (*write)(struct super_block *sb, void *scratch,
+			u16 *type, size_t *len))
+{
+	void *buf;
+	size_t len;
+	u16 type;
+
+	buf = write(sb, logfs_super(sb)->s_je, &type, &len);
+	return logfs_write_je_buf(sb, buf, type, len);
+}
+
+int write_alias_journal(struct super_block *sb, u64 ino, u64 bix,
+		level_t level, int child_no, __be64 val)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_obj_alias *oa = super->s_je;
+	int err = 0, fill = super->s_je_fill;
+
+	log_aliases("logfs_write_obj_aliases #%x(%llx, %llx, %x, %x) %llx\n",
+			fill, ino, bix, level, child_no, be64_to_cpu(val));
+	oa[fill].ino = cpu_to_be64(ino);
+	oa[fill].bix = cpu_to_be64(bix);
+	oa[fill].val = val;
+	oa[fill].level = (__force u8)level;
+	oa[fill].child_no = cpu_to_be16(child_no);
+	fill++;
+	if (fill >= sb->s_blocksize / sizeof(*oa)) {
+		err = logfs_write_je_buf(sb, oa, JE_OBJ_ALIAS, sb->s_blocksize);
+		fill = 0;
+	}
+
+	super->s_je_fill = fill;
+	return err;
+}
+
+static int logfs_write_obj_aliases(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	int err;
+
+	log_journal("logfs_write_obj_aliases: %d aliases to write\n",
+			super->s_no_object_aliases);
+	super->s_je_fill = 0;
+	err = logfs_write_obj_aliases_pagecache(sb);
+	if (err)
+		return err;
+
+	if (super->s_je_fill)
+		err = logfs_write_je_buf(sb, super->s_je, JE_OBJ_ALIAS,
+				super->s_je_fill
+				* sizeof(struct logfs_obj_alias));
+	return err;
+}
+
+/*
+ * Write all journal entries.  The goto logic ensures that all journal entries
+ * are written whenever a new segment is used.  It is ugly and potentially a
+ * bit wasteful, but robustness is more important.  With this we can *always*
+ * erase all journal segments except the one containing the most recent commit.
+ */
+void logfs_write_anchor(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_area *area = super->s_journal_area;
+	int i, err;
+
+	if (!(super->s_flags & LOGFS_SB_FLAG_DIRTY))
+		return;
+	super->s_flags &= ~LOGFS_SB_FLAG_DIRTY;
+
+	BUG_ON(super->s_flags & LOGFS_SB_FLAG_SHUTDOWN);
+	mutex_lock(&super->s_journal_mutex);
+
+	/* Do this first or suffer corruption */
+	logfs_sync_segments(sb);
+	account_shadows(sb);
+
+again:
+	super->s_no_je = 0;
+	for_each_area(i) {
+		if (!super->s_area[i]->a_is_open)
+			continue;
+		super->s_sum_index = i;
+		err = logfs_write_je(sb, logfs_write_area);
+		if (err)
+			goto again;
+	}
+	err = logfs_write_obj_aliases(sb);
+	if (err)
+		goto again;
+	err = logfs_write_je(sb, logfs_write_erasecount);
+	if (err)
+		goto again;
+	err = logfs_write_je(sb, __logfs_write_anchor);
+	if (err)
+		goto again;
+	err = logfs_write_je(sb, logfs_write_dynsb);
+	if (err)
+		goto again;
+	/*
+	 * Order is imperative.  First we sync all writes, including the
+	 * non-committed journal writes.  Then we write the final commit and
+	 * sync the current journal segment.
+	 * There is a theoretical bug here.  Syncing the journal segment will
+	 * write a number of journal entries and the final commit.  All these
+	 * are written in a single operation.  If the device layer writes the
+	 * data back-to-front, the commit will precede the other journal
+	 * entries, leaving a race window.
+	 * Two fixes are possible.  Preferred is to fix the device layer to
+	 * ensure writes happen front-to-back.  Alternatively we can insert
+	 * another logfs_sync_area() super->s_devops->sync() combo before
+	 * writing the commit.
+	 */
+	/*
+	 * On another subject, super->s_devops->sync is usually not necessary.
+	 * Unless called from sys_sync or friends, a barrier would suffice.
+	 */
+	super->s_devops->sync(sb);
+	err = logfs_write_je(sb, logfs_write_commit);
+	if (err)
+		goto again;
+	log_journal("Write commit to %llx\n",
+			be64_to_cpu(super->s_je_array[super->s_no_je - 1]));
+	logfs_sync_area(area);
+	BUG_ON(area->a_used_bytes != area->a_written_bytes);
+	super->s_devops->sync(sb);
+
+	mutex_unlock(&super->s_journal_mutex);
+	return;
+}
+
+void do_logfs_journal_wl_pass(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_area *area = super->s_journal_area;
+	struct btree_head32 *head = &super->s_reserved_segments;
+	u32 segno, ec;
+	int i, err;
+
+	log_journal("Journal requires wear-leveling.\n");
+	/* Drop old segments */
+	journal_for_each(i)
+		if (super->s_journal_seg[i]) {
+			btree_remove32(head, super->s_journal_seg[i]);
+			logfs_set_segment_unreserved(sb,
+					super->s_journal_seg[i],
+					super->s_journal_ec[i]);
+			super->s_journal_seg[i] = 0;
+			super->s_journal_ec[i] = 0;
+		}
+	/* Get new segments */
+	for (i = 0; i < super->s_no_journal_segs; i++) {
+		segno = get_best_cand(sb, &super->s_reserve_list, &ec);
+		super->s_journal_seg[i] = segno;
+		super->s_journal_ec[i] = ec;
+		logfs_set_segment_reserved(sb, segno);
+		err = btree_insert32(head, segno, (void *)1, GFP_KERNEL);
+		BUG_ON(err); /* mempool should prevent this */
+		err = logfs_erase_segment(sb, segno, 1);
+		BUG_ON(err); /* FIXME: remount-ro would be nicer */
+	}
+	/* Manually move journal_area */
+	freeseg(sb, area->a_segno);
+	area->a_segno = super->s_journal_seg[0];
+	area->a_is_open = 0;
+	area->a_used_bytes = 0;
+	/* Write journal */
+	logfs_write_anchor(sb);
+	/* Write superblocks */
+	err = logfs_write_sb(sb);
+	BUG_ON(err);
+}
+
+static const struct logfs_area_ops journal_area_ops = {
+	.get_free_segment	= journal_get_free_segment,
+	.get_erase_count	= journal_get_erase_count,
+	.erase_segment		= journal_erase_segment,
+};
+
+int logfs_init_journal(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	size_t bufsize = max_t(size_t, sb->s_blocksize, super->s_writesize)
+		+ MAX_JOURNAL_HEADER;
+	int ret = -ENOMEM;
+
+	mutex_init(&super->s_journal_mutex);
+	btree_init_mempool32(&super->s_reserved_segments, super->s_btree_pool);
+
+	super->s_je = kzalloc(bufsize, GFP_KERNEL);
+	if (!super->s_je)
+		return ret;
+
+	super->s_compressed_je = kzalloc(bufsize, GFP_KERNEL);
+	if (!super->s_compressed_je)
+		return ret;
+
+	super->s_master_inode = logfs_new_meta_inode(sb, LOGFS_INO_MASTER);
+	if (IS_ERR(super->s_master_inode))
+		return PTR_ERR(super->s_master_inode);
+
+	ret = logfs_read_journal(sb);
+	if (ret)
+		return -EIO;
+
+	reserve_sb_and_journal(sb);
+	logfs_calc_free(sb);
+
+	super->s_journal_area->a_ops = &journal_area_ops;
+	return 0;
+}
+
+void logfs_cleanup_journal(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	btree_grim_visitor32(&super->s_reserved_segments, 0, NULL);
+	destroy_meta_inode(super->s_master_inode);
+	super->s_master_inode = NULL;
+
+	kfree(super->s_compressed_je);
+	kfree(super->s_je);
+}
diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h
new file mode 100644
index 000000000000..b84b0eec6024
--- /dev/null
+++ b/fs/logfs/logfs.h
@@ -0,0 +1,725 @@
+/*
+ * fs/logfs/logfs.h
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2008 Joern Engel <joern@logfs.org>
+ *
+ * Private header for logfs.
+ */
+#ifndef FS_LOGFS_LOGFS_H
+#define FS_LOGFS_LOGFS_H
+
+#undef __CHECK_ENDIAN__
+#define __CHECK_ENDIAN__
+
+#include <linux/btree.h>
+#include <linux/crc32.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/mempool.h>
+#include <linux/pagemap.h>
+#include <linux/mtd/mtd.h>
+#include "logfs_abi.h"
+
+#define LOGFS_DEBUG_SUPER	(0x0001)
+#define LOGFS_DEBUG_SEGMENT	(0x0002)
+#define LOGFS_DEBUG_JOURNAL	(0x0004)
+#define LOGFS_DEBUG_DIR		(0x0008)
+#define LOGFS_DEBUG_FILE	(0x0010)
+#define LOGFS_DEBUG_INODE	(0x0020)
+#define LOGFS_DEBUG_READWRITE	(0x0040)
+#define LOGFS_DEBUG_GC		(0x0080)
+#define LOGFS_DEBUG_GC_NOISY	(0x0100)
+#define LOGFS_DEBUG_ALIASES	(0x0200)
+#define LOGFS_DEBUG_BLOCKMOVE	(0x0400)
+#define LOGFS_DEBUG_ALL		(0xffffffff)
+
+#define LOGFS_DEBUG		(0x01)
+/*
+ * To enable specific log messages, simply define LOGFS_DEBUG to match any
+ * or all of the above.
+ */
+#ifndef LOGFS_DEBUG
+#define LOGFS_DEBUG		(0)
+#endif
+
+#define log_cond(cond, fmt, arg...) do {	\
+	if (cond)				\
+		printk(KERN_DEBUG fmt, ##arg);	\
+} while (0)
+
+#define log_super(fmt, arg...) \
+	log_cond(LOGFS_DEBUG & LOGFS_DEBUG_SUPER, fmt, ##arg)
+#define log_segment(fmt, arg...) \
+	log_cond(LOGFS_DEBUG & LOGFS_DEBUG_SEGMENT, fmt, ##arg)
+#define log_journal(fmt, arg...) \
+	log_cond(LOGFS_DEBUG & LOGFS_DEBUG_JOURNAL, fmt, ##arg)
+#define log_dir(fmt, arg...) \
+	log_cond(LOGFS_DEBUG & LOGFS_DEBUG_DIR, fmt, ##arg)
+#define log_file(fmt, arg...) \
+	log_cond(LOGFS_DEBUG & LOGFS_DEBUG_FILE, fmt, ##arg)
+#define log_inode(fmt, arg...) \
+	log_cond(LOGFS_DEBUG & LOGFS_DEBUG_INODE, fmt, ##arg)
+#define log_readwrite(fmt, arg...) \
+	log_cond(LOGFS_DEBUG & LOGFS_DEBUG_READWRITE, fmt, ##arg)
+#define log_gc(fmt, arg...) \
+	log_cond(LOGFS_DEBUG & LOGFS_DEBUG_GC, fmt, ##arg)
+#define log_gc_noisy(fmt, arg...) \
+	log_cond(LOGFS_DEBUG & LOGFS_DEBUG_GC_NOISY, fmt, ##arg)
+#define log_aliases(fmt, arg...) \
+	log_cond(LOGFS_DEBUG & LOGFS_DEBUG_ALIASES, fmt, ##arg)
+#define log_blockmove(fmt, arg...) \
+	log_cond(LOGFS_DEBUG & LOGFS_DEBUG_BLOCKMOVE, fmt, ##arg)
+
+#define PG_pre_locked		PG_owner_priv_1
+#define PagePreLocked(page)	test_bit(PG_pre_locked, &(page)->flags)
+#define SetPagePreLocked(page)	set_bit(PG_pre_locked, &(page)->flags)
+#define ClearPagePreLocked(page) clear_bit(PG_pre_locked, &(page)->flags)
+
+/* FIXME: This should really be somewhere in the 64bit area. */
+#define LOGFS_LINK_MAX		(1<<30)
+
+/* Read-only filesystem */
+#define LOGFS_SB_FLAG_RO	0x0001
+#define LOGFS_SB_FLAG_DIRTY	0x0002
+#define LOGFS_SB_FLAG_OBJ_ALIAS	0x0004
+#define LOGFS_SB_FLAG_SHUTDOWN	0x0008
+
+/* Write Control Flags */
+#define WF_LOCK			0x01 /* take write lock */
+#define WF_WRITE		0x02 /* write block */
+#define WF_DELETE		0x04 /* delete old block */
+
+typedef u8 __bitwise level_t;
+typedef u8 __bitwise gc_level_t;
+
+#define LEVEL(level) ((__force level_t)(level))
+#define GC_LEVEL(gc_level) ((__force gc_level_t)(gc_level))
+
+#define SUBLEVEL(level) ( (void)((level) == LEVEL(1)),	\
+		(__force level_t)((__force u8)(level) - 1) )
+
+/**
+ * struct logfs_area - area management information
+ *
+ * @a_sb:			the superblock this area belongs to
+ * @a_is_open:			1 if the area is currently open, else 0
+ * @a_segno:			segment number of area
+ * @a_written_bytes:		number of bytes already written back
+ * @a_used_bytes:		number of used bytes
+ * @a_ops:			area operations (either journal or ostore)
+ * @a_erase_count:		erase count
+ * @a_level:			GC level
+ */
+struct logfs_area { /* a segment open for writing */
+	struct super_block *a_sb;
+	int	a_is_open;
+	u32	a_segno;
+	u32	a_written_bytes;
+	u32	a_used_bytes;
+	const struct logfs_area_ops *a_ops;
+	u32	a_erase_count;
+	gc_level_t a_level;
+};
+
+/**
+ * struct logfs_area_ops - area operations
+ *
+ * @get_free_segment:		fill area->ofs with the offset of a free segment
+ * @get_erase_count:		fill area->erase_count (needs area->ofs)
+ * @erase_segment:		erase and setup segment
+ */
+struct logfs_area_ops {
+	void	(*get_free_segment)(struct logfs_area *area);
+	void	(*get_erase_count)(struct logfs_area *area);
+	int	(*erase_segment)(struct logfs_area *area);
+};
+
+/**
+ * struct logfs_device_ops - device access operations
+ *
+ * @readpage:			read one page (mm page)
+ * @writeseg:			write one segment.  may be a partial segment
+ * @erase:			erase one segment
+ * @read:			read from the device
+ * @erase:			erase part of the device
+ */
+struct logfs_device_ops {
+	struct page *(*find_first_sb)(struct super_block *sb, u64 *ofs);
+	struct page *(*find_last_sb)(struct super_block *sb, u64 *ofs);
+	int (*write_sb)(struct super_block *sb, struct page *page);
+	int (*readpage)(void *_sb, struct page *page);
+	void (*writeseg)(struct super_block *sb, u64 ofs, size_t len);
+	int (*erase)(struct super_block *sb, loff_t ofs, size_t len,
+			int ensure_write);
+	void (*sync)(struct super_block *sb);
+	void (*put_device)(struct super_block *sb);
+};
+
+/**
+ * struct candidate_list - list of similar candidates
+ */
+struct candidate_list {
+	struct rb_root rb_tree;
+	int count;
+	int maxcount;
+	int sort_by_ec;
+};
+
+/**
+ * struct gc_candidate - "candidate" segment to be garbage collected next
+ *
+ * @list:			list (either free of low)
+ * @segno:			segment number
+ * @valid:			number of valid bytes
+ * @erase_count:		erase count of segment
+ * @dist:			distance from tree root
+ *
+ * Candidates can be on two lists.  The free list contains electees rather
+ * than candidates - segments that no longer contain any valid data.  The
+ * low list contains candidates to be picked for GC.  It should be kept
+ * short.  It is not required to always pick a perfect candidate.  In the
+ * worst case GC will have to move more data than absolutely necessary.
+ */
+struct gc_candidate {
+	struct rb_node rb_node;
+	struct candidate_list *list;
+	u32	segno;
+	u32	valid;
+	u32	erase_count;
+	u8	dist;
+};
+
+/**
+ * struct logfs_journal_entry - temporary structure used during journal scan
+ *
+ * @used:
+ * @version:			normalized version
+ * @len:			length
+ * @offset:			offset
+ */
+struct logfs_journal_entry {
+	int used;
+	s16 version;
+	u16 len;
+	u16 datalen;
+	u64 offset;
+};
+
+enum transaction_state {
+	CREATE_1 = 1,
+	CREATE_2,
+	UNLINK_1,
+	UNLINK_2,
+	CROSS_RENAME_1,
+	CROSS_RENAME_2,
+	TARGET_RENAME_1,
+	TARGET_RENAME_2,
+	TARGET_RENAME_3
+};
+
+/**
+ * struct logfs_transaction - essential fields to support atomic dirops
+ *
+ * @ino:			target inode
+ * @dir:			inode of directory containing dentry
+ * @pos:			pos of dentry in directory
+ */
+struct logfs_transaction {
+	enum transaction_state state;
+	u64	 ino;
+	u64	 dir;
+	u64	 pos;
+};
+
+/**
+ * struct logfs_shadow - old block in the shadow of a not-yet-committed new one
+ * @old_ofs:			offset of old block on medium
+ * @new_ofs:			offset of new block on medium
+ * @ino:			inode number
+ * @bix:			block index
+ * @old_len:			size of old block, including header
+ * @new_len:			size of new block, including header
+ * @level:			block level
+ */
+struct logfs_shadow {
+	u64 old_ofs;
+	u64 new_ofs;
+	u64 ino;
+	u64 bix;
+	int old_len;
+	int new_len;
+	gc_level_t gc_level;
+};
+
+/**
+ * struct shadow_tree
+ * @new:			shadows where old_ofs==0, indexed by new_ofs
+ * @old:			shadows where old_ofs!=0, indexed by old_ofs
+ */
+struct shadow_tree {
+	struct btree_head64 new;
+	struct btree_head64 old;
+};
+
+struct object_alias_item {
+	struct list_head list;
+	__be64 val;
+	int child_no;
+};
+
+/**
+ * struct logfs_block - contains any block state
+ * @type:			indirect block or inode
+ * @full:			number of fully populated children
+ * @partial:			number of partially populated children
+ *
+ * Most blocks are directly represented by page cache pages.  But when a block
+ * becomes dirty, is part of a transaction, contains aliases or is otherwise
+ * special, a struct logfs_block is allocated to track the additional state.
+ * Inodes are very similar to indirect blocks, so they can also get one of
+ * these structures added when appropriate.
+ */
+#define BLOCK_INDIRECT	1	/* Indirect block */
+#define BLOCK_INODE	2	/* Inode */
+struct logfs_block_ops;
+struct logfs_block {
+	struct list_head alias_list;
+	struct list_head item_list;
+	struct super_block *sb;
+	u64 ino;
+	u64 bix;
+	level_t level;
+	struct page *page;
+	struct inode *inode;
+	struct logfs_transaction *ta;
+	unsigned long alias_map[LOGFS_BLOCK_FACTOR / BITS_PER_LONG];
+	struct logfs_block_ops *ops;
+	int full;
+	int partial;
+	int reserved_bytes;
+};
+
+typedef int write_alias_t(struct super_block *sb, u64 ino, u64 bix,
+		level_t level, int child_no, __be64 val);
+struct logfs_block_ops {
+	void	(*write_block)(struct logfs_block *block);
+	gc_level_t	(*block_level)(struct logfs_block *block);
+	void	(*free_block)(struct super_block *sb, struct logfs_block*block);
+	int	(*write_alias)(struct super_block *sb,
+			struct logfs_block *block,
+			write_alias_t *write_one_alias);
+};
+
+struct logfs_super {
+	struct mtd_info *s_mtd;			/* underlying device */
+	struct block_device *s_bdev;		/* underlying device */
+	const struct logfs_device_ops *s_devops;/* device access */
+	struct inode	*s_master_inode;	/* inode file */
+	struct inode	*s_segfile_inode;	/* segment file */
+	struct inode *s_mapping_inode;		/* device mapping */
+	atomic_t s_pending_writes;		/* outstanting bios */
+	long	 s_flags;
+	mempool_t *s_btree_pool;		/* for btree nodes */
+	mempool_t *s_alias_pool;		/* aliases in segment.c */
+	u64	 s_feature_incompat;
+	u64	 s_feature_ro_compat;
+	u64	 s_feature_compat;
+	u64	 s_feature_flags;
+	u64	 s_sb_ofs[2];
+	struct page *s_erase_page;		/* for dev_bdev.c */
+	/* alias.c fields */
+	struct btree_head32 s_segment_alias;	/* remapped segments */
+	int	 s_no_object_aliases;
+	struct list_head s_object_alias;	/* remapped objects */
+	struct btree_head128 s_object_alias_tree; /* remapped objects */
+	struct mutex s_object_alias_mutex;
+	/* dir.c fields */
+	struct mutex s_dirop_mutex;		/* for creat/unlink/rename */
+	u64	 s_victim_ino;			/* used for atomic dir-ops */
+	u64	 s_rename_dir;			/* source directory ino */
+	u64	 s_rename_pos;			/* position of source dd */
+	/* gc.c fields */
+	long	 s_segsize;			/* size of a segment */
+	int	 s_segshift;			/* log2 of segment size */
+	long	 s_segmask;			/* 1 << s_segshift - 1 */
+	long	 s_no_segs;			/* segments on device */
+	long	 s_no_journal_segs;		/* segments used for journal */
+	long	 s_no_blocks;			/* blocks per segment */
+	long	 s_writesize;			/* minimum write size */
+	int	 s_writeshift;			/* log2 of write size */
+	u64	 s_size;			/* filesystem size */
+	struct logfs_area *s_area[LOGFS_NO_AREAS];	/* open segment array */
+	u64	 s_gec;				/* global erase count */
+	u64	 s_wl_gec_ostore;		/* time of last wl event */
+	u64	 s_wl_gec_journal;		/* time of last wl event */
+	u64	 s_sweeper;			/* current sweeper pos */
+	u8	 s_ifile_levels;		/* max level of ifile */
+	u8	 s_iblock_levels;		/* max level of regular files */
+	u8	 s_data_levels;			/* # of segments to leaf block*/
+	u8	 s_total_levels;		/* sum of above three */
+	struct btree_head32 s_cand_tree;	/* all candidates */
+	struct candidate_list s_free_list;	/* 100% free segments */
+	struct candidate_list s_reserve_list;	/* Bad segment reserve */
+	struct candidate_list s_low_list[LOGFS_NO_AREAS];/* good candidates */
+	struct candidate_list s_ec_list;	/* wear level candidates */
+	struct btree_head32 s_reserved_segments;/* sb, journal, bad, etc. */
+	/* inode.c fields */
+	u64	 s_last_ino;			/* highest ino used */
+	long	 s_inos_till_wrap;
+	u32	 s_generation;			/* i_generation for new files */
+	struct list_head s_freeing_list;	/* inodes being freed */
+	/* journal.c fields */
+	struct mutex s_journal_mutex;
+	void	*s_je;				/* journal entry to compress */
+	void	*s_compressed_je;		/* block to write to journal */
+	u32	 s_journal_seg[LOGFS_JOURNAL_SEGS]; /* journal segments */
+	u32	 s_journal_ec[LOGFS_JOURNAL_SEGS]; /* journal erasecounts */
+	u64	 s_last_version;
+	struct logfs_area *s_journal_area;	/* open journal segment */
+	__be64	s_je_array[64];
+	int	s_no_je;
+
+	int	 s_sum_index;			/* for the 12 summaries */
+	struct shadow_tree s_shadow_tree;
+	int	 s_je_fill;			/* index of current je */
+	/* readwrite.c fields */
+	struct mutex s_write_mutex;
+	int	 s_lock_count;
+	mempool_t *s_block_pool;		/* struct logfs_block pool */
+	mempool_t *s_shadow_pool;		/* struct logfs_shadow pool */
+	/*
+	 * Space accounting:
+	 * - s_used_bytes specifies space used to store valid data objects.
+	 * - s_dirty_used_bytes is space used to store non-committed data
+	 *   objects.  Those objects have already been written themselves,
+	 *   but they don't become valid until all indirect blocks up to the
+	 *   journal have been written as well.
+	 * - s_dirty_free_bytes is space used to store the old copy of a
+	 *   replaced object, as long as the replacement is non-committed.
+	 *   In other words, it is the amount of space freed when all dirty
+	 *   blocks are written back.
+	 * - s_free_bytes is the amount of free space available for any
+	 *   purpose.
+	 * - s_root_reserve is the amount of free space available only to
+	 *   the root user.  Non-privileged users can no longer write once
+	 *   this watermark has been reached.
+	 * - s_speed_reserve is space which remains unused to speed up
+	 *   garbage collection performance.
+	 * - s_dirty_pages is the space reserved for currently dirty pages.
+	 *   It is a pessimistic estimate, so some/most will get freed on
+	 *   page writeback.
+	 *
+	 * s_used_bytes + s_free_bytes + s_speed_reserve = total usable size
+	 */
+	u64	 s_free_bytes;
+	u64	 s_used_bytes;
+	u64	 s_dirty_free_bytes;
+	u64	 s_dirty_used_bytes;
+	u64	 s_root_reserve;
+	u64	 s_speed_reserve;
+	u64	 s_dirty_pages;
+	/* Bad block handling:
+	 * - s_bad_seg_reserve is a number of segments usually kept
+	 *   free.  When encountering bad blocks, the affected segment's data
+	 *   is _temporarily_ moved to a reserved segment.
+	 * - s_bad_segments is the number of known bad segments.
+	 */
+	u32	 s_bad_seg_reserve;
+	u32	 s_bad_segments;
+};
+
+/**
+ * struct logfs_inode - in-memory inode
+ *
+ * @vfs_inode:			struct inode
+ * @li_data:			data pointers
+ * @li_used_bytes:		number of used bytes
+ * @li_freeing_list:		used to track inodes currently being freed
+ * @li_flags:			inode flags
+ * @li_refcount:		number of internal (GC-induced) references
+ */
+struct logfs_inode {
+	struct inode vfs_inode;
+	u64	li_data[LOGFS_EMBEDDED_FIELDS];
+	u64	li_used_bytes;
+	struct list_head li_freeing_list;
+	struct logfs_block *li_block;
+	u32	li_flags;
+	u8	li_height;
+	int	li_refcount;
+};
+
+#define journal_for_each(__i) for (__i = 0; __i < LOGFS_JOURNAL_SEGS; __i++)
+#define for_each_area(__i) for (__i = 0; __i < LOGFS_NO_AREAS; __i++)
+#define for_each_area_down(__i) for (__i = LOGFS_NO_AREAS - 1; __i >= 0; __i--)
+
+/* compr.c */
+int logfs_compress(void *in, void *out, size_t inlen, size_t outlen);
+int logfs_uncompress(void *in, void *out, size_t inlen, size_t outlen);
+int __init logfs_compr_init(void);
+void logfs_compr_exit(void);
+
+/* dev_bdev.c */
+#ifdef CONFIG_BLOCK
+int logfs_get_sb_bdev(struct file_system_type *type, int flags,
+		const char *devname, struct vfsmount *mnt);
+#else
+static inline int logfs_get_sb_bdev(struct file_system_type *type, int flags,
+		const char *devname, struct vfsmount *mnt)
+{
+	return -ENODEV;
+}
+#endif
+
+/* dev_mtd.c */
+#ifdef CONFIG_MTD
+int logfs_get_sb_mtd(struct file_system_type *type, int flags,
+		int mtdnr, struct vfsmount *mnt);
+#else
+static inline int logfs_get_sb_mtd(struct file_system_type *type, int flags,
+		int mtdnr, struct vfsmount *mnt)
+{
+	return -ENODEV;
+}
+#endif
+
+/* dir.c */
+extern const struct inode_operations logfs_symlink_iops;
+extern const struct inode_operations logfs_dir_iops;
+extern const struct file_operations logfs_dir_fops;
+int logfs_replay_journal(struct super_block *sb);
+
+/* file.c */
+extern const struct inode_operations logfs_reg_iops;
+extern const struct file_operations logfs_reg_fops;
+extern const struct address_space_operations logfs_reg_aops;
+int logfs_readpage(struct file *file, struct page *page);
+int logfs_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+		unsigned long arg);
+int logfs_fsync(struct file *file, struct dentry *dentry, int datasync);
+
+/* gc.c */
+u32 get_best_cand(struct super_block *sb, struct candidate_list *list, u32 *ec);
+void logfs_gc_pass(struct super_block *sb);
+int logfs_check_areas(struct super_block *sb);
+int logfs_init_gc(struct super_block *sb);
+void logfs_cleanup_gc(struct super_block *sb);
+
+/* inode.c */
+extern const struct super_operations logfs_super_operations;
+struct inode *logfs_iget(struct super_block *sb, ino_t ino);
+struct inode *logfs_safe_iget(struct super_block *sb, ino_t ino, int *cookie);
+void logfs_safe_iput(struct inode *inode, int cookie);
+struct inode *logfs_new_inode(struct inode *dir, int mode);
+struct inode *logfs_new_meta_inode(struct super_block *sb, u64 ino);
+struct inode *logfs_read_meta_inode(struct super_block *sb, u64 ino);
+int logfs_init_inode_cache(void);
+void logfs_destroy_inode_cache(void);
+void destroy_meta_inode(struct inode *inode);
+void logfs_set_blocks(struct inode *inode, u64 no);
+/* these logically belong into inode.c but actually reside in readwrite.c */
+int logfs_read_inode(struct inode *inode);
+int __logfs_write_inode(struct inode *inode, long flags);
+void logfs_delete_inode(struct inode *inode);
+void logfs_clear_inode(struct inode *inode);
+
+/* journal.c */
+void logfs_write_anchor(struct super_block *sb);
+int logfs_init_journal(struct super_block *sb);
+void logfs_cleanup_journal(struct super_block *sb);
+int write_alias_journal(struct super_block *sb, u64 ino, u64 bix,
+		level_t level, int child_no, __be64 val);
+void do_logfs_journal_wl_pass(struct super_block *sb);
+
+/* readwrite.c */
+pgoff_t logfs_pack_index(u64 bix, level_t level);
+void logfs_unpack_index(pgoff_t index, u64 *bix, level_t *level);
+int logfs_inode_write(struct inode *inode, const void *buf, size_t count,
+		loff_t bix, long flags, struct shadow_tree *shadow_tree);
+int logfs_readpage_nolock(struct page *page);
+int logfs_write_buf(struct inode *inode, struct page *page, long flags);
+int logfs_delete(struct inode *inode, pgoff_t index,
+		struct shadow_tree *shadow_tree);
+int logfs_rewrite_block(struct inode *inode, u64 bix, u64 ofs,
+		gc_level_t gc_level, long flags);
+int logfs_is_valid_block(struct super_block *sb, u64 ofs, u64 ino, u64 bix,
+		gc_level_t gc_level);
+int logfs_truncate(struct inode *inode, u64 size);
+u64 logfs_seek_hole(struct inode *inode, u64 bix);
+u64 logfs_seek_data(struct inode *inode, u64 bix);
+int logfs_open_segfile(struct super_block *sb);
+int logfs_init_rw(struct super_block *sb);
+void logfs_cleanup_rw(struct super_block *sb);
+void logfs_add_transaction(struct inode *inode, struct logfs_transaction *ta);
+void logfs_del_transaction(struct inode *inode, struct logfs_transaction *ta);
+void logfs_write_block(struct logfs_block *block, long flags);
+int logfs_write_obj_aliases_pagecache(struct super_block *sb);
+void logfs_get_segment_entry(struct super_block *sb, u32 segno,
+		struct logfs_segment_entry *se);
+void logfs_set_segment_used(struct super_block *sb, u64 ofs, int increment);
+void logfs_set_segment_erased(struct super_block *sb, u32 segno, u32 ec,
+		gc_level_t gc_level);
+void logfs_set_segment_reserved(struct super_block *sb, u32 segno);
+void logfs_set_segment_unreserved(struct super_block *sb, u32 segno, u32 ec);
+struct logfs_block *__alloc_block(struct super_block *sb,
+		u64 ino, u64 bix, level_t level);
+void __free_block(struct super_block *sb, struct logfs_block *block);
+void btree_write_block(struct logfs_block *block);
+void initialize_block_counters(struct page *page, struct logfs_block *block,
+		__be64 *array, int page_is_empty);
+int logfs_exist_block(struct inode *inode, u64 bix);
+int get_page_reserve(struct inode *inode, struct page *page);
+extern struct logfs_block_ops indirect_block_ops;
+
+/* segment.c */
+int logfs_erase_segment(struct super_block *sb, u32 ofs, int ensure_erase);
+int wbuf_read(struct super_block *sb, u64 ofs, size_t len, void *buf);
+int logfs_segment_read(struct inode *inode, struct page *page, u64 ofs, u64 bix,
+		level_t level);
+int logfs_segment_write(struct inode *inode, struct page *page,
+		struct logfs_shadow *shadow);
+int logfs_segment_delete(struct inode *inode, struct logfs_shadow *shadow);
+int logfs_load_object_aliases(struct super_block *sb,
+		struct logfs_obj_alias *oa, int count);
+void move_page_to_btree(struct page *page);
+int logfs_init_mapping(struct super_block *sb);
+void logfs_sync_area(struct logfs_area *area);
+void logfs_sync_segments(struct super_block *sb);
+void freeseg(struct super_block *sb, u32 segno);
+
+/* area handling */
+int logfs_init_areas(struct super_block *sb);
+void logfs_cleanup_areas(struct super_block *sb);
+int logfs_open_area(struct logfs_area *area, size_t bytes);
+void __logfs_buf_write(struct logfs_area *area, u64 ofs, void *buf, size_t len,
+		int use_filler);
+
+static inline void logfs_buf_write(struct logfs_area *area, u64 ofs,
+		void *buf, size_t len)
+{
+	__logfs_buf_write(area, ofs, buf, len, 0);
+}
+
+static inline void logfs_buf_recover(struct logfs_area *area, u64 ofs,
+		void *buf, size_t len)
+{
+	__logfs_buf_write(area, ofs, buf, len, 1);
+}
+
+/* super.c */
+struct page *emergency_read_begin(struct address_space *mapping, pgoff_t index);
+void emergency_read_end(struct page *page);
+void logfs_crash_dump(struct super_block *sb);
+void *memchr_inv(const void *s, int c, size_t n);
+int logfs_statfs(struct dentry *dentry, struct kstatfs *stats);
+int logfs_get_sb_device(struct file_system_type *type, int flags,
+		struct mtd_info *mtd, struct block_device *bdev,
+		const struct logfs_device_ops *devops, struct vfsmount *mnt);
+int logfs_check_ds(struct logfs_disk_super *ds);
+int logfs_write_sb(struct super_block *sb);
+
+static inline struct logfs_super *logfs_super(struct super_block *sb)
+{
+	return sb->s_fs_info;
+}
+
+static inline struct logfs_inode *logfs_inode(struct inode *inode)
+{
+	return container_of(inode, struct logfs_inode, vfs_inode);
+}
+
+static inline void logfs_set_ro(struct super_block *sb)
+{
+	logfs_super(sb)->s_flags |= LOGFS_SB_FLAG_RO;
+}
+
+#define LOGFS_BUG(sb) do {					\
+	struct super_block *__sb = sb;				\
+	logfs_crash_dump(__sb);					\
+	logfs_super(__sb)->s_flags |= LOGFS_SB_FLAG_RO;		\
+	BUG();							\
+} while (0)
+
+#define LOGFS_BUG_ON(condition, sb) \
+	do { if (unlikely(condition)) LOGFS_BUG((sb)); } while (0)
+
+static inline __be32 logfs_crc32(void *data, size_t len, size_t skip)
+{
+	return cpu_to_be32(crc32(~0, data+skip, len-skip));
+}
+
+static inline u8 logfs_type(struct inode *inode)
+{
+	return (inode->i_mode >> 12) & 15;
+}
+
+static inline pgoff_t logfs_index(struct super_block *sb, u64 pos)
+{
+	return pos >> sb->s_blocksize_bits;
+}
+
+static inline u64 dev_ofs(struct super_block *sb, u32 segno, u32 ofs)
+{
+	return ((u64)segno << logfs_super(sb)->s_segshift) + ofs;
+}
+
+static inline u32 seg_no(struct super_block *sb, u64 ofs)
+{
+	return ofs >> logfs_super(sb)->s_segshift;
+}
+
+static inline u32 seg_ofs(struct super_block *sb, u64 ofs)
+{
+	return ofs & logfs_super(sb)->s_segmask;
+}
+
+static inline u64 seg_align(struct super_block *sb, u64 ofs)
+{
+	return ofs & ~logfs_super(sb)->s_segmask;
+}
+
+static inline struct logfs_block *logfs_block(struct page *page)
+{
+	return (void *)page->private;
+}
+
+static inline level_t shrink_level(gc_level_t __level)
+{
+	u8 level = (__force u8)__level;
+
+	if (level >= LOGFS_MAX_LEVELS)
+		level -= LOGFS_MAX_LEVELS;
+	return (__force level_t)level;
+}
+
+static inline gc_level_t expand_level(u64 ino, level_t __level)
+{
+	u8 level = (__force u8)__level;
+
+	if (ino == LOGFS_INO_MASTER) {
+		/* ifile has seperate areas */
+		level += LOGFS_MAX_LEVELS;
+	}
+	return (__force gc_level_t)level;
+}
+
+static inline int logfs_block_shift(struct super_block *sb, level_t level)
+{
+	level = shrink_level((__force gc_level_t)level);
+	return (__force int)level * (sb->s_blocksize_bits - 3);
+}
+
+static inline u64 logfs_block_mask(struct super_block *sb, level_t level)
+{
+	return ~0ull << logfs_block_shift(sb, level);
+}
+
+static inline struct logfs_area *get_area(struct super_block *sb,
+		gc_level_t gc_level)
+{
+	return logfs_super(sb)->s_area[(__force u8)gc_level];
+}
+
+#endif
diff --git a/fs/logfs/logfs_abi.h b/fs/logfs/logfs_abi.h
new file mode 100644
index 000000000000..f674725663fe
--- /dev/null
+++ b/fs/logfs/logfs_abi.h
@@ -0,0 +1,629 @@
+/*
+ * fs/logfs/logfs_abi.h
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2008 Joern Engel <joern@logfs.org>
+ *
+ * Public header for logfs.
+ */
+#ifndef FS_LOGFS_LOGFS_ABI_H
+#define FS_LOGFS_LOGFS_ABI_H
+
+/* For out-of-kernel compiles */
+#ifndef BUILD_BUG_ON
+#define BUILD_BUG_ON(condition) /**/
+#endif
+
+#define SIZE_CHECK(type, size)					\
+static inline void check_##type(void)				\
+{								\
+	BUILD_BUG_ON(sizeof(struct type) != (size));		\
+}
+
+/*
+ * Throughout the logfs code, we're constantly dealing with blocks at
+ * various positions or offsets.  To remove confusion, we stricly
+ * distinguish between a "position" - the logical position within a
+ * file and an "offset" - the physical location within the device.
+ *
+ * Any usage of the term offset for a logical location or position for
+ * a physical one is a bug and should get fixed.
+ */
+
+/*
+ * Block are allocated in one of several segments depending on their
+ * level.  The following levels are used:
+ *  0	- regular data block
+ *  1	- i1 indirect blocks
+ *  2	- i2 indirect blocks
+ *  3	- i3 indirect blocks
+ *  4	- i4 indirect blocks
+ *  5	- i5 indirect blocks
+ *  6	- ifile data blocks
+ *  7	- ifile i1 indirect blocks
+ *  8	- ifile i2 indirect blocks
+ *  9	- ifile i3 indirect blocks
+ * 10	- ifile i4 indirect blocks
+ * 11	- ifile i5 indirect blocks
+ * Potential levels to be used in the future:
+ * 12	- gc recycled blocks, long-lived data
+ * 13	- replacement blocks, short-lived data
+ *
+ * Levels 1-11 are necessary for robust gc operations and help seperate
+ * short-lived metadata from longer-lived file data.  In the future,
+ * file data should get seperated into several segments based on simple
+ * heuristics.  Old data recycled during gc operation is expected to be
+ * long-lived.  New data is of uncertain life expectancy.  New data
+ * used to replace older blocks in existing files is expected to be
+ * short-lived.
+ */
+
+
+/* Magic numbers.  64bit for superblock, 32bit for statfs f_type */
+#define LOGFS_MAGIC		0x7a3a8e5cb9d5bf67ull
+#define LOGFS_MAGIC_U32		0xc97e8168u
+
+/*
+ * Various blocksize related macros.  Blocksize is currently fixed at 4KiB.
+ * Sooner or later that should become configurable and the macros replaced
+ * by something superblock-dependent.  Pointers in indirect blocks are and
+ * will remain 64bit.
+ *
+ * LOGFS_BLOCKSIZE	- self-explaining
+ * LOGFS_BLOCK_FACTOR	- number of pointers per indirect block
+ * LOGFS_BLOCK_BITS	- log2 of LOGFS_BLOCK_FACTOR, used for shifts
+ */
+#define LOGFS_BLOCKSIZE		(4096ull)
+#define LOGFS_BLOCK_FACTOR	(LOGFS_BLOCKSIZE / sizeof(u64))
+#define LOGFS_BLOCK_BITS	(9)
+
+/*
+ * Number of blocks at various levels of indirection.  There are 16 direct
+ * block pointers plus a single indirect pointer.
+ */
+#define I0_BLOCKS		(16)
+#define I1_BLOCKS		LOGFS_BLOCK_FACTOR
+#define I2_BLOCKS		(LOGFS_BLOCK_FACTOR * I1_BLOCKS)
+#define I3_BLOCKS		(LOGFS_BLOCK_FACTOR * I2_BLOCKS)
+#define I4_BLOCKS		(LOGFS_BLOCK_FACTOR * I3_BLOCKS)
+#define I5_BLOCKS		(LOGFS_BLOCK_FACTOR * I4_BLOCKS)
+
+#define INDIRECT_INDEX		I0_BLOCKS
+#define LOGFS_EMBEDDED_FIELDS	(I0_BLOCKS + 1)
+
+/*
+ * Sizes at which files require another level of indirection.  Files smaller
+ * than LOGFS_EMBEDDED_SIZE can be completely stored in the inode itself,
+ * similar like ext2 fast symlinks.
+ *
+ * Data at a position smaller than LOGFS_I0_SIZE is accessed through the
+ * direct pointers, else through the 1x indirect pointer and so forth.
+ */
+#define LOGFS_EMBEDDED_SIZE	(LOGFS_EMBEDDED_FIELDS * sizeof(u64))
+#define LOGFS_I0_SIZE		(I0_BLOCKS * LOGFS_BLOCKSIZE)
+#define LOGFS_I1_SIZE		(I1_BLOCKS * LOGFS_BLOCKSIZE)
+#define LOGFS_I2_SIZE		(I2_BLOCKS * LOGFS_BLOCKSIZE)
+#define LOGFS_I3_SIZE		(I3_BLOCKS * LOGFS_BLOCKSIZE)
+#define LOGFS_I4_SIZE		(I4_BLOCKS * LOGFS_BLOCKSIZE)
+#define LOGFS_I5_SIZE		(I5_BLOCKS * LOGFS_BLOCKSIZE)
+
+/*
+ * Each indirect block pointer must have this flag set, if all block pointers
+ * behind it are set, i.e. there is no hole hidden in the shadow of this
+ * indirect block pointer.
+ */
+#define LOGFS_FULLY_POPULATED (1ULL << 63)
+#define pure_ofs(ofs) (ofs & ~LOGFS_FULLY_POPULATED)
+
+/*
+ * LogFS needs to seperate data into levels.  Each level is defined as the
+ * maximal possible distance from the master inode (inode of the inode file).
+ * Data blocks reside on level 0, 1x indirect block on level 1, etc.
+ * Inodes reside on level 6, indirect blocks for the inode file on levels 7-11.
+ * This effort is necessary to guarantee garbage collection to always make
+ * progress.
+ *
+ * LOGFS_MAX_INDIRECT is the maximal indirection through indirect blocks,
+ * LOGFS_MAX_LEVELS is one more for the actual data level of a file.  It is
+ * the maximal number of levels for one file.
+ * LOGFS_NO_AREAS is twice that, as the inode file and regular files are
+ * effectively stacked on top of each other.
+ */
+#define LOGFS_MAX_INDIRECT	(5)
+#define LOGFS_MAX_LEVELS	(LOGFS_MAX_INDIRECT + 1)
+#define LOGFS_NO_AREAS		(2 * LOGFS_MAX_LEVELS)
+
+/* Maximum size of filenames */
+#define LOGFS_MAX_NAMELEN	(255)
+
+/* Number of segments in the primary journal. */
+#define LOGFS_JOURNAL_SEGS	(16)
+
+/* Maximum number of free/erased/etc. segments in journal entries */
+#define MAX_CACHED_SEGS		(64)
+
+
+/*
+ * LOGFS_OBJECT_HEADERSIZE is the size of a single header in the object store,
+ * LOGFS_MAX_OBJECTSIZE the size of the largest possible object, including
+ * its header,
+ * LOGFS_SEGMENT_RESERVE is the amount of space reserved for each segment for
+ * its segment header and the padded space at the end when no further objects
+ * fit.
+ */
+#define LOGFS_OBJECT_HEADERSIZE	(0x1c)
+#define LOGFS_SEGMENT_HEADERSIZE (0x18)
+#define LOGFS_MAX_OBJECTSIZE	(LOGFS_OBJECT_HEADERSIZE + LOGFS_BLOCKSIZE)
+#define LOGFS_SEGMENT_RESERVE	\
+	(LOGFS_SEGMENT_HEADERSIZE + LOGFS_MAX_OBJECTSIZE - 1)
+
+/*
+ * Segment types:
+ * SEG_SUPER	- Data or indirect block
+ * SEG_JOURNAL	- Inode
+ * SEG_OSTORE	- Dentry
+ */
+enum {
+	SEG_SUPER	= 0x01,
+	SEG_JOURNAL	= 0x02,
+	SEG_OSTORE	= 0x03,
+};
+
+/**
+ * struct logfs_segment_header - per-segment header in the ostore
+ *
+ * @crc:			crc32 of header (there is no data)
+ * @pad:			unused, must be 0
+ * @type:			segment type, see above
+ * @level:			GC level for all objects in this segment
+ * @segno:			segment number
+ * @ec:				erase count for this segment
+ * @gec:			global erase count at time of writing
+ */
+struct logfs_segment_header {
+	__be32	crc;
+	__be16	pad;
+	__u8	type;
+	__u8	level;
+	__be32	segno;
+	__be32	ec;
+	__be64	gec;
+};
+
+SIZE_CHECK(logfs_segment_header, LOGFS_SEGMENT_HEADERSIZE);
+
+#define LOGFS_FEATURES_INCOMPAT		(0ull)
+#define LOGFS_FEATURES_RO_COMPAT	(0ull)
+#define LOGFS_FEATURES_COMPAT		(0ull)
+
+/**
+ * struct logfs_disk_super - on-medium superblock
+ *
+ * @ds_magic:			magic number, must equal LOGFS_MAGIC
+ * @ds_crc:			crc32 of structure starting with the next field
+ * @ds_ifile_levels:		maximum number of levels for ifile
+ * @ds_iblock_levels:		maximum number of levels for regular files
+ * @ds_data_levels:		number of seperate levels for data
+ * @pad0:			reserved, must be 0
+ * @ds_feature_incompat:	incompatible filesystem features
+ * @ds_feature_ro_compat:	read-only compatible filesystem features
+ * @ds_feature_compat:		compatible filesystem features
+ * @ds_flags:			flags
+ * @ds_segment_shift:		log2 of segment size
+ * @ds_block_shift:		log2 of block size
+ * @ds_write_shift:		log2 of write size
+ * @pad1:			reserved, must be 0
+ * @ds_journal_seg:		segments used by primary journal
+ * @ds_root_reserve:		bytes reserved for the superuser
+ * @ds_speed_reserve:		bytes reserved to speed up GC
+ * @ds_bad_seg_reserve:		number of segments reserved to handle bad blocks
+ * @pad2:			reserved, must be 0
+ * @pad3:			reserved, must be 0
+ *
+ * Contains only read-only fields.  Read-write fields like the amount of used
+ * space is tracked in the dynamic superblock, which is stored in the journal.
+ */
+struct logfs_disk_super {
+	struct logfs_segment_header ds_sh;
+	__be64	ds_magic;
+
+	__be32	ds_crc;
+	__u8	ds_ifile_levels;
+	__u8	ds_iblock_levels;
+	__u8	ds_data_levels;
+	__u8	ds_segment_shift;
+	__u8	ds_block_shift;
+	__u8	ds_write_shift;
+	__u8	pad0[6];
+
+	__be64	ds_filesystem_size;
+	__be32	ds_segment_size;
+	__be32  ds_bad_seg_reserve;
+
+	__be64	ds_feature_incompat;
+	__be64	ds_feature_ro_compat;
+
+	__be64	ds_feature_compat;
+	__be64	ds_feature_flags;
+
+	__be64	ds_root_reserve;
+	__be64  ds_speed_reserve;
+
+	__be32	ds_journal_seg[LOGFS_JOURNAL_SEGS];
+
+	__be64	ds_super_ofs[2];
+	__be64	pad3[8];
+};
+
+SIZE_CHECK(logfs_disk_super, 256);
+
+/*
+ * Object types:
+ * OBJ_BLOCK	- Data or indirect block
+ * OBJ_INODE	- Inode
+ * OBJ_DENTRY	- Dentry
+ */
+enum {
+	OBJ_BLOCK	= 0x04,
+	OBJ_INODE	= 0x05,
+	OBJ_DENTRY	= 0x06,
+};
+
+/**
+ * struct logfs_object_header - per-object header in the ostore
+ *
+ * @crc:			crc32 of header, excluding data_crc
+ * @len:			length of data
+ * @type:			object type, see above
+ * @compr:			compression type
+ * @ino:			inode number
+ * @bix:			block index
+ * @data_crc:			crc32 of payload
+ */
+struct logfs_object_header {
+	__be32	crc;
+	__be16	len;
+	__u8	type;
+	__u8	compr;
+	__be64	ino;
+	__be64	bix;
+	__be32	data_crc;
+} __attribute__((packed));
+
+SIZE_CHECK(logfs_object_header, LOGFS_OBJECT_HEADERSIZE);
+
+/*
+ * Reserved inode numbers:
+ * LOGFS_INO_MASTER	- master inode (for inode file)
+ * LOGFS_INO_ROOT	- root directory
+ * LOGFS_INO_SEGFILE	- per-segment used bytes and erase count
+ */
+enum {
+	LOGFS_INO_MAPPING	= 0x00,
+	LOGFS_INO_MASTER	= 0x01,
+	LOGFS_INO_ROOT		= 0x02,
+	LOGFS_INO_SEGFILE	= 0x03,
+	LOGFS_RESERVED_INOS	= 0x10,
+};
+
+/*
+ * Inode flags.  High bits should never be written to the medium.  They are
+ * reserved for in-memory usage.
+ * Low bits should either remain in sync with the corresponding FS_*_FL or
+ * reuse slots that obviously don't make sense for logfs.
+ *
+ * LOGFS_IF_DIRTY	Inode must be written back
+ * LOGFS_IF_ZOMBIE	Inode has been deleted
+ * LOGFS_IF_STILLBORN	-ENOSPC happened when creating inode
+ */
+#define LOGFS_IF_COMPRESSED	0x00000004 /* == FS_COMPR_FL */
+#define LOGFS_IF_DIRTY		0x20000000
+#define LOGFS_IF_ZOMBIE		0x40000000
+#define LOGFS_IF_STILLBORN	0x80000000
+
+/* Flags available to chattr */
+#define LOGFS_FL_USER_VISIBLE	(LOGFS_IF_COMPRESSED)
+#define LOGFS_FL_USER_MODIFIABLE (LOGFS_IF_COMPRESSED)
+/* Flags inherited from parent directory on file/directory creation */
+#define LOGFS_FL_INHERITED	(LOGFS_IF_COMPRESSED)
+
+/**
+ * struct logfs_disk_inode - on-medium inode
+ *
+ * @di_mode:			file mode
+ * @di_pad:			reserved, must be 0
+ * @di_flags:			inode flags, see above
+ * @di_uid:			user id
+ * @di_gid:			group id
+ * @di_ctime:			change time
+ * @di_mtime:			modify time
+ * @di_refcount:		reference count (aka nlink or link count)
+ * @di_generation:		inode generation, for nfs
+ * @di_used_bytes:		number of bytes used
+ * @di_size:			file size
+ * @di_data:			data pointers
+ */
+struct logfs_disk_inode {
+	__be16	di_mode;
+	__u8	di_height;
+	__u8	di_pad;
+	__be32	di_flags;
+	__be32	di_uid;
+	__be32	di_gid;
+
+	__be64	di_ctime;
+	__be64	di_mtime;
+
+	__be64	di_atime;
+	__be32	di_refcount;
+	__be32	di_generation;
+
+	__be64	di_used_bytes;
+	__be64	di_size;
+
+	__be64	di_data[LOGFS_EMBEDDED_FIELDS];
+};
+
+SIZE_CHECK(logfs_disk_inode, 200);
+
+#define INODE_POINTER_OFS \
+	(offsetof(struct logfs_disk_inode, di_data) / sizeof(__be64))
+#define INODE_USED_OFS \
+	(offsetof(struct logfs_disk_inode, di_used_bytes) / sizeof(__be64))
+#define INODE_SIZE_OFS \
+	(offsetof(struct logfs_disk_inode, di_size) / sizeof(__be64))
+#define INODE_HEIGHT_OFS	(0)
+
+/**
+ * struct logfs_disk_dentry - on-medium dentry structure
+ *
+ * @ino:			inode number
+ * @namelen:			length of file name
+ * @type:			file type, identical to bits 12..15 of mode
+ * @name:			file name
+ */
+/* FIXME: add 6 bytes of padding to remove the __packed */
+struct logfs_disk_dentry {
+	__be64	ino;
+	__be16	namelen;
+	__u8	type;
+	__u8	name[LOGFS_MAX_NAMELEN];
+} __attribute__((packed));
+
+SIZE_CHECK(logfs_disk_dentry, 266);
+
+#define RESERVED		0xffffffff
+#define BADSEG			0xffffffff
+/**
+ * struct logfs_segment_entry - segment file entry
+ *
+ * @ec_level:			erase count and level
+ * @valid:			number of valid bytes
+ *
+ * Segment file contains one entry for every segment.  ec_level contains the
+ * erasecount in the upper 28 bits and the level in the lower 4 bits.  An
+ * ec_level of BADSEG (-1) identifies bad segments.  valid contains the number
+ * of valid bytes or RESERVED (-1 again) if the segment is used for either the
+ * superblock or the journal, or when the segment is bad.
+ */
+struct logfs_segment_entry {
+	__be32	ec_level;
+	__be32	valid;
+};
+
+SIZE_CHECK(logfs_segment_entry, 8);
+
+/**
+ * struct logfs_journal_header - header for journal entries (JEs)
+ *
+ * @h_crc:			crc32 of journal entry
+ * @h_len:			length of compressed journal entry,
+ *				not including header
+ * @h_datalen:			length of uncompressed data
+ * @h_type:			JE type
+ * @h_compr:			compression type
+ * @h_pad:			reserved
+ */
+struct logfs_journal_header {
+	__be32	h_crc;
+	__be16	h_len;
+	__be16	h_datalen;
+	__be16	h_type;
+	__u8	h_compr;
+	__u8	h_pad[5];
+};
+
+SIZE_CHECK(logfs_journal_header, 16);
+
+/*
+ * Life expectency of data.
+ * VIM_DEFAULT		- default vim
+ * VIM_SEGFILE		- for segment file only - very short-living
+ * VIM_GC		- GC'd data - likely long-living
+ */
+enum logfs_vim {
+	VIM_DEFAULT	= 0,
+	VIM_SEGFILE	= 1,
+};
+
+/**
+ * struct logfs_je_area - wbuf header
+ *
+ * @segno:			segment number of area
+ * @used_bytes:			number of bytes already used
+ * @gc_level:			GC level
+ * @vim:			life expectancy of data
+ *
+ * "Areas" are segments currently being used for writing.  There is at least
+ * one area per GC level.  Several may be used to seperate long-living from
+ * short-living data.  If an area with unknown vim is encountered, it can
+ * simply be closed.
+ * The write buffer immediately follow this header.
+ */
+struct logfs_je_area {
+	__be32	segno;
+	__be32	used_bytes;
+	__u8	gc_level;
+	__u8	vim;
+} __attribute__((packed));
+
+SIZE_CHECK(logfs_je_area, 10);
+
+#define MAX_JOURNAL_HEADER \
+	(sizeof(struct logfs_journal_header) + sizeof(struct logfs_je_area))
+
+/**
+ * struct logfs_je_dynsb - dynamic superblock
+ *
+ * @ds_gec:			global erase count
+ * @ds_sweeper:			current position of GC "sweeper"
+ * @ds_rename_dir:		source directory ino (see dir.c documentation)
+ * @ds_rename_pos:		position of source dd (see dir.c documentation)
+ * @ds_victim_ino:		victims of incomplete dir operation (see dir.c)
+ * @ds_victim_ino:		parent inode of victim (see dir.c)
+ * @ds_used_bytes:		number of used bytes
+ */
+struct logfs_je_dynsb {
+	__be64	ds_gec;
+	__be64	ds_sweeper;
+
+	__be64	ds_rename_dir;
+	__be64	ds_rename_pos;
+
+	__be64	ds_victim_ino;
+	__be64	ds_victim_parent; /* XXX */
+
+	__be64	ds_used_bytes;
+	__be32	ds_generation;
+	__be32	pad;
+};
+
+SIZE_CHECK(logfs_je_dynsb, 64);
+
+/**
+ * struct logfs_je_anchor - anchor of filesystem tree, aka master inode
+ *
+ * @da_size:			size of inode file
+ * @da_last_ino:		last created inode
+ * @da_used_bytes:		number of bytes used
+ * @da_data:			data pointers
+ */
+struct logfs_je_anchor {
+	__be64	da_size;
+	__be64	da_last_ino;
+
+	__be64	da_used_bytes;
+	u8	da_height;
+	u8	pad[7];
+
+	__be64	da_data[LOGFS_EMBEDDED_FIELDS];
+};
+
+SIZE_CHECK(logfs_je_anchor, 168);
+
+/**
+ * struct logfs_je_spillout - spillout entry (from 1st to 2nd journal)
+ *
+ * @so_segment:			segments used for 2nd journal
+ *
+ * Length of the array is given by h_len field in the header.
+ */
+struct logfs_je_spillout {
+	__be64	so_segment[0];
+};
+
+SIZE_CHECK(logfs_je_spillout, 0);
+
+/**
+ * struct logfs_je_journal_ec - erase counts for all journal segments
+ *
+ * @ec:				erase count
+ *
+ * Length of the array is given by h_len field in the header.
+ */
+struct logfs_je_journal_ec {
+	__be32	ec[0];
+};
+
+SIZE_CHECK(logfs_je_journal_ec, 0);
+
+/**
+ * struct logfs_je_free_segments - list of free segmetns with erase count
+ */
+struct logfs_je_free_segments {
+	__be32	segno;
+	__be32	ec;
+};
+
+SIZE_CHECK(logfs_je_free_segments, 8);
+
+/**
+ * struct logfs_seg_alias - list of segment aliases
+ */
+struct logfs_seg_alias {
+	__be32	old_segno;
+	__be32	new_segno;
+};
+
+SIZE_CHECK(logfs_seg_alias, 8);
+
+/**
+ * struct logfs_obj_alias - list of object aliases
+ */
+struct logfs_obj_alias {
+	__be64	ino;
+	__be64	bix;
+	__be64	val;
+	u8	level;
+	u8	pad[5];
+	__be16	child_no;
+};
+
+SIZE_CHECK(logfs_obj_alias, 32);
+
+/**
+ * Compression types.
+ *
+ * COMPR_NONE	- uncompressed
+ * COMPR_ZLIB	- compressed with zlib
+ */
+enum {
+	COMPR_NONE	= 0,
+	COMPR_ZLIB	= 1,
+};
+
+/*
+ * Journal entries come in groups of 16.  First group contains unique
+ * entries, next groups contain one entry per level
+ *
+ * JE_FIRST	- smallest possible journal entry number
+ *
+ * JEG_BASE	- base group, containing unique entries
+ * JE_COMMIT	- commit entry, validates all previous entries
+ * JE_DYNSB	- dynamic superblock, anything that ought to be in the
+ *		  superblock but cannot because it is read-write data
+ * JE_ANCHOR	- anchor aka master inode aka inode file's inode
+ * JE_ERASECOUNT  erasecounts for all journal segments
+ * JE_SPILLOUT	- unused
+ * JE_SEG_ALIAS	- aliases segments
+ * JE_AREA	- area description
+ *
+ * JE_LAST	- largest possible journal entry number
+ */
+enum {
+	JE_FIRST	= 0x01,
+
+	JEG_BASE	= 0x00,
+	JE_COMMIT	= 0x02,
+	JE_DYNSB	= 0x03,
+	JE_ANCHOR	= 0x04,
+	JE_ERASECOUNT	= 0x05,
+	JE_SPILLOUT	= 0x06,
+	JE_OBJ_ALIAS	= 0x0d,
+	JE_AREA		= 0x0e,
+
+	JE_LAST		= 0x0e,
+};
+
+#endif
diff --git a/fs/logfs/readwrite.c b/fs/logfs/readwrite.c
new file mode 100644
index 000000000000..c3a3a6814b84
--- /dev/null
+++ b/fs/logfs/readwrite.c
@@ -0,0 +1,2257 @@
+/*
+ * fs/logfs/readwrite.c
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2008 Joern Engel <joern@logfs.org>
+ *
+ *
+ * Actually contains five sets of very similar functions:
+ * read		read blocks from a file
+ * seek_hole	find next hole
+ * seek_data	find next data block
+ * valid	check whether a block still belongs to a file
+ * write	write blocks to a file
+ * delete	delete a block (for directories and ifile)
+ * rewrite	move existing blocks of a file to a new location (gc helper)
+ * truncate	truncate a file
+ */
+#include "logfs.h"
+#include <linux/sched.h>
+
+static u64 adjust_bix(u64 bix, level_t level)
+{
+	switch (level) {
+	case 0:
+		return bix;
+	case LEVEL(1):
+		return max_t(u64, bix, I0_BLOCKS);
+	case LEVEL(2):
+		return max_t(u64, bix, I1_BLOCKS);
+	case LEVEL(3):
+		return max_t(u64, bix, I2_BLOCKS);
+	case LEVEL(4):
+		return max_t(u64, bix, I3_BLOCKS);
+	case LEVEL(5):
+		return max_t(u64, bix, I4_BLOCKS);
+	default:
+		WARN_ON(1);
+		return bix;
+	}
+}
+
+static inline u64 maxbix(u8 height)
+{
+	return 1ULL << (LOGFS_BLOCK_BITS * height);
+}
+
+/**
+ * The inode address space is cut in two halves.  Lower half belongs to data
+ * pages, upper half to indirect blocks.  If the high bit (INDIRECT_BIT) is
+ * set, the actual block index (bix) and level can be derived from the page
+ * index.
+ *
+ * The lowest three bits of the block index are set to 0 after packing and
+ * unpacking.  Since the lowest n bits (9 for 4KiB blocksize) are ignored
+ * anyway this is harmless.
+ */
+#define ARCH_SHIFT	(BITS_PER_LONG - 32)
+#define INDIRECT_BIT	(0x80000000UL << ARCH_SHIFT)
+#define LEVEL_SHIFT	(28 + ARCH_SHIFT)
+static inline pgoff_t first_indirect_block(void)
+{
+	return INDIRECT_BIT | (1ULL << LEVEL_SHIFT);
+}
+
+pgoff_t logfs_pack_index(u64 bix, level_t level)
+{
+	pgoff_t index;
+
+	BUG_ON(bix >= INDIRECT_BIT);
+	if (level == 0)
+		return bix;
+
+	index  = INDIRECT_BIT;
+	index |= (__force long)level << LEVEL_SHIFT;
+	index |= bix >> ((__force u8)level * LOGFS_BLOCK_BITS);
+	return index;
+}
+
+void logfs_unpack_index(pgoff_t index, u64 *bix, level_t *level)
+{
+	u8 __level;
+
+	if (!(index & INDIRECT_BIT)) {
+		*bix = index;
+		*level = 0;
+		return;
+	}
+
+	__level = (index & ~INDIRECT_BIT) >> LEVEL_SHIFT;
+	*level = LEVEL(__level);
+	*bix = (index << (__level * LOGFS_BLOCK_BITS)) & ~INDIRECT_BIT;
+	*bix = adjust_bix(*bix, *level);
+	return;
+}
+#undef ARCH_SHIFT
+#undef INDIRECT_BIT
+#undef LEVEL_SHIFT
+
+/*
+ * Time is stored as nanoseconds since the epoch.
+ */
+static struct timespec be64_to_timespec(__be64 betime)
+{
+	return ns_to_timespec(be64_to_cpu(betime));
+}
+
+static __be64 timespec_to_be64(struct timespec tsp)
+{
+	return cpu_to_be64((u64)tsp.tv_sec * NSEC_PER_SEC + tsp.tv_nsec);
+}
+
+static void logfs_disk_to_inode(struct logfs_disk_inode *di, struct inode*inode)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	int i;
+
+	inode->i_mode	= be16_to_cpu(di->di_mode);
+	li->li_height	= di->di_height;
+	li->li_flags	= be32_to_cpu(di->di_flags);
+	inode->i_uid	= be32_to_cpu(di->di_uid);
+	inode->i_gid	= be32_to_cpu(di->di_gid);
+	inode->i_size	= be64_to_cpu(di->di_size);
+	logfs_set_blocks(inode, be64_to_cpu(di->di_used_bytes));
+	inode->i_atime	= be64_to_timespec(di->di_atime);
+	inode->i_ctime	= be64_to_timespec(di->di_ctime);
+	inode->i_mtime	= be64_to_timespec(di->di_mtime);
+	inode->i_nlink	= be32_to_cpu(di->di_refcount);
+	inode->i_generation = be32_to_cpu(di->di_generation);
+
+	switch (inode->i_mode & S_IFMT) {
+	case S_IFSOCK:	/* fall through */
+	case S_IFBLK:	/* fall through */
+	case S_IFCHR:	/* fall through */
+	case S_IFIFO:
+		inode->i_rdev = be64_to_cpu(di->di_data[0]);
+		break;
+	case S_IFDIR:	/* fall through */
+	case S_IFREG:	/* fall through */
+	case S_IFLNK:
+		for (i = 0; i < LOGFS_EMBEDDED_FIELDS; i++)
+			li->li_data[i] = be64_to_cpu(di->di_data[i]);
+		break;
+	default:
+		BUG();
+	}
+}
+
+static void logfs_inode_to_disk(struct inode *inode, struct logfs_disk_inode*di)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	int i;
+
+	di->di_mode	= cpu_to_be16(inode->i_mode);
+	di->di_height	= li->li_height;
+	di->di_pad	= 0;
+	di->di_flags	= cpu_to_be32(li->li_flags);
+	di->di_uid	= cpu_to_be32(inode->i_uid);
+	di->di_gid	= cpu_to_be32(inode->i_gid);
+	di->di_size	= cpu_to_be64(i_size_read(inode));
+	di->di_used_bytes = cpu_to_be64(li->li_used_bytes);
+	di->di_atime	= timespec_to_be64(inode->i_atime);
+	di->di_ctime	= timespec_to_be64(inode->i_ctime);
+	di->di_mtime	= timespec_to_be64(inode->i_mtime);
+	di->di_refcount	= cpu_to_be32(inode->i_nlink);
+	di->di_generation = cpu_to_be32(inode->i_generation);
+
+	switch (inode->i_mode & S_IFMT) {
+	case S_IFSOCK:	/* fall through */
+	case S_IFBLK:	/* fall through */
+	case S_IFCHR:	/* fall through */
+	case S_IFIFO:
+		di->di_data[0] = cpu_to_be64(inode->i_rdev);
+		break;
+	case S_IFDIR:	/* fall through */
+	case S_IFREG:	/* fall through */
+	case S_IFLNK:
+		for (i = 0; i < LOGFS_EMBEDDED_FIELDS; i++)
+			di->di_data[i] = cpu_to_be64(li->li_data[i]);
+		break;
+	default:
+		BUG();
+	}
+}
+
+static void __logfs_set_blocks(struct inode *inode)
+{
+	struct super_block *sb = inode->i_sb;
+	struct logfs_inode *li = logfs_inode(inode);
+
+	inode->i_blocks = ULONG_MAX;
+	if (li->li_used_bytes >> sb->s_blocksize_bits < ULONG_MAX)
+		inode->i_blocks = ALIGN(li->li_used_bytes, 512) >> 9;
+}
+
+void logfs_set_blocks(struct inode *inode, u64 bytes)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+
+	li->li_used_bytes = bytes;
+	__logfs_set_blocks(inode);
+}
+
+static void prelock_page(struct super_block *sb, struct page *page, int lock)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	BUG_ON(!PageLocked(page));
+	if (lock) {
+		BUG_ON(PagePreLocked(page));
+		SetPagePreLocked(page);
+	} else {
+		/* We are in GC path. */
+		if (PagePreLocked(page))
+			super->s_lock_count++;
+		else
+			SetPagePreLocked(page);
+	}
+}
+
+static void preunlock_page(struct super_block *sb, struct page *page, int lock)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	BUG_ON(!PageLocked(page));
+	if (lock)
+		ClearPagePreLocked(page);
+	else {
+		/* We are in GC path. */
+		BUG_ON(!PagePreLocked(page));
+		if (super->s_lock_count)
+			super->s_lock_count--;
+		else
+			ClearPagePreLocked(page);
+	}
+}
+
+/*
+ * Logfs is prone to an AB-BA deadlock where one task tries to acquire
+ * s_write_mutex with a locked page and GC tries to get that page while holding
+ * s_write_mutex.
+ * To solve this issue logfs will ignore the page lock iff the page in question
+ * is waiting for s_write_mutex.  We annotate this fact by setting PG_pre_locked
+ * in addition to PG_locked.
+ */
+static void logfs_get_wblocks(struct super_block *sb, struct page *page,
+		int lock)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	if (page)
+		prelock_page(sb, page, lock);
+
+	if (lock) {
+		mutex_lock(&super->s_write_mutex);
+		logfs_gc_pass(sb);
+		/* FIXME: We also have to check for shadowed space
+		 * and mempool fill grade */
+	}
+}
+
+static void logfs_put_wblocks(struct super_block *sb, struct page *page,
+		int lock)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	if (page)
+		preunlock_page(sb, page, lock);
+	/* Order matters - we must clear PG_pre_locked before releasing
+	 * s_write_mutex or we could race against another task. */
+	if (lock)
+		mutex_unlock(&super->s_write_mutex);
+}
+
+static struct page *logfs_get_read_page(struct inode *inode, u64 bix,
+		level_t level)
+{
+	return find_or_create_page(inode->i_mapping,
+			logfs_pack_index(bix, level), GFP_NOFS);
+}
+
+static void logfs_put_read_page(struct page *page)
+{
+	unlock_page(page);
+	page_cache_release(page);
+}
+
+static void logfs_lock_write_page(struct page *page)
+{
+	int loop = 0;
+
+	while (unlikely(!trylock_page(page))) {
+		if (loop++ > 0x1000) {
+			/* Has been observed once so far... */
+			printk(KERN_ERR "stack at %p\n", &loop);
+			BUG();
+		}
+		if (PagePreLocked(page)) {
+			/* Holder of page lock is waiting for us, it
+			 * is safe to use this page. */
+			break;
+		}
+		/* Some other process has this page locked and has
+		 * nothing to do with us.  Wait for it to finish.
+		 */
+		schedule();
+	}
+	BUG_ON(!PageLocked(page));
+}
+
+static struct page *logfs_get_write_page(struct inode *inode, u64 bix,
+		level_t level)
+{
+	struct address_space *mapping = inode->i_mapping;
+	pgoff_t index = logfs_pack_index(bix, level);
+	struct page *page;
+	int err;
+
+repeat:
+	page = find_get_page(mapping, index);
+	if (!page) {
+		page = __page_cache_alloc(GFP_NOFS);
+		if (!page)
+			return NULL;
+		err = add_to_page_cache_lru(page, mapping, index, GFP_NOFS);
+		if (unlikely(err)) {
+			page_cache_release(page);
+			if (err == -EEXIST)
+				goto repeat;
+			return NULL;
+		}
+	} else logfs_lock_write_page(page);
+	BUG_ON(!PageLocked(page));
+	return page;
+}
+
+static void logfs_unlock_write_page(struct page *page)
+{
+	if (!PagePreLocked(page))
+		unlock_page(page);
+}
+
+static void logfs_put_write_page(struct page *page)
+{
+	logfs_unlock_write_page(page);
+	page_cache_release(page);
+}
+
+static struct page *logfs_get_page(struct inode *inode, u64 bix, level_t level,
+		int rw)
+{
+	if (rw == READ)
+		return logfs_get_read_page(inode, bix, level);
+	else
+		return logfs_get_write_page(inode, bix, level);
+}
+
+static void logfs_put_page(struct page *page, int rw)
+{
+	if (rw == READ)
+		logfs_put_read_page(page);
+	else
+		logfs_put_write_page(page);
+}
+
+static unsigned long __get_bits(u64 val, int skip, int no)
+{
+	u64 ret = val;
+
+	ret >>= skip * no;
+	ret <<= 64 - no;
+	ret >>= 64 - no;
+	return ret;
+}
+
+static unsigned long get_bits(u64 val, level_t skip)
+{
+	return __get_bits(val, (__force int)skip, LOGFS_BLOCK_BITS);
+}
+
+static inline void init_shadow_tree(struct super_block *sb,
+		struct shadow_tree *tree)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	btree_init_mempool64(&tree->new, super->s_btree_pool);
+	btree_init_mempool64(&tree->old, super->s_btree_pool);
+}
+
+static void indirect_write_block(struct logfs_block *block)
+{
+	struct page *page;
+	struct inode *inode;
+	int ret;
+
+	page = block->page;
+	inode = page->mapping->host;
+	logfs_lock_write_page(page);
+	ret = logfs_write_buf(inode, page, 0);
+	logfs_unlock_write_page(page);
+	/*
+	 * This needs some rework.  Unless you want your filesystem to run
+	 * completely synchronously (you don't), the filesystem will always
+	 * report writes as 'successful' before the actual work has been
+	 * done.  The actual work gets done here and this is where any errors
+	 * will show up.  And there isn't much we can do about it, really.
+	 *
+	 * Some attempts to fix the errors (move from bad blocks, retry io,...)
+	 * have already been done, so anything left should be either a broken
+	 * device or a bug somewhere in logfs itself.  Being relatively new,
+	 * the odds currently favor a bug, so for now the line below isn't
+	 * entirely tasteles.
+	 */
+	BUG_ON(ret);
+}
+
+static void inode_write_block(struct logfs_block *block)
+{
+	struct inode *inode;
+	int ret;
+
+	inode = block->inode;
+	if (inode->i_ino == LOGFS_INO_MASTER)
+		logfs_write_anchor(inode->i_sb);
+	else {
+		ret = __logfs_write_inode(inode, 0);
+		/* see indirect_write_block comment */
+		BUG_ON(ret);
+	}
+}
+
+static gc_level_t inode_block_level(struct logfs_block *block)
+{
+	BUG_ON(block->inode->i_ino == LOGFS_INO_MASTER);
+	return GC_LEVEL(LOGFS_MAX_LEVELS);
+}
+
+static gc_level_t indirect_block_level(struct logfs_block *block)
+{
+	struct page *page;
+	struct inode *inode;
+	u64 bix;
+	level_t level;
+
+	page = block->page;
+	inode = page->mapping->host;
+	logfs_unpack_index(page->index, &bix, &level);
+	return expand_level(inode->i_ino, level);
+}
+
+/*
+ * This silences a false, yet annoying gcc warning.  I hate it when my editor
+ * jumps into bitops.h each time I recompile this file.
+ * TODO: Complain to gcc folks about this and upgrade compiler.
+ */
+static unsigned long fnb(const unsigned long *addr,
+		unsigned long size, unsigned long offset)
+{
+	return find_next_bit(addr, size, offset);
+}
+
+static __be64 inode_val0(struct inode *inode)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	u64 val;
+
+	/*
+	 * Explicit shifting generates good code, but must match the format
+	 * of the structure.  Add some paranoia just in case.
+	 */
+	BUILD_BUG_ON(offsetof(struct logfs_disk_inode, di_mode) != 0);
+	BUILD_BUG_ON(offsetof(struct logfs_disk_inode, di_height) != 2);
+	BUILD_BUG_ON(offsetof(struct logfs_disk_inode, di_flags) != 4);
+
+	val =	(u64)inode->i_mode << 48 |
+		(u64)li->li_height << 40 |
+		(u64)li->li_flags;
+	return cpu_to_be64(val);
+}
+
+static int inode_write_alias(struct super_block *sb,
+		struct logfs_block *block, write_alias_t *write_one_alias)
+{
+	struct inode *inode = block->inode;
+	struct logfs_inode *li = logfs_inode(inode);
+	unsigned long pos;
+	u64 ino , bix;
+	__be64 val;
+	level_t level;
+	int err;
+
+	for (pos = 0; ; pos++) {
+		pos = fnb(block->alias_map, LOGFS_BLOCK_FACTOR, pos);
+		if (pos >= LOGFS_EMBEDDED_FIELDS + INODE_POINTER_OFS)
+			return 0;
+
+		switch (pos) {
+		case INODE_HEIGHT_OFS:
+			val = inode_val0(inode);
+			break;
+		case INODE_USED_OFS:
+			val = cpu_to_be64(li->li_used_bytes);;
+			break;
+		case INODE_SIZE_OFS:
+			val = cpu_to_be64(i_size_read(inode));
+			break;
+		case INODE_POINTER_OFS ... INODE_POINTER_OFS + LOGFS_EMBEDDED_FIELDS - 1:
+			val = cpu_to_be64(li->li_data[pos - INODE_POINTER_OFS]);
+			break;
+		default:
+			BUG();
+		}
+
+		ino = LOGFS_INO_MASTER;
+		bix = inode->i_ino;
+		level = LEVEL(0);
+		err = write_one_alias(sb, ino, bix, level, pos, val);
+		if (err)
+			return err;
+	}
+}
+
+static int indirect_write_alias(struct super_block *sb,
+		struct logfs_block *block, write_alias_t *write_one_alias)
+{
+	unsigned long pos;
+	struct page *page = block->page;
+	u64 ino , bix;
+	__be64 *child, val;
+	level_t level;
+	int err;
+
+	for (pos = 0; ; pos++) {
+		pos = fnb(block->alias_map, LOGFS_BLOCK_FACTOR, pos);
+		if (pos >= LOGFS_BLOCK_FACTOR)
+			return 0;
+
+		ino = page->mapping->host->i_ino;
+		logfs_unpack_index(page->index, &bix, &level);
+		child = kmap_atomic(page, KM_USER0);
+		val = child[pos];
+		kunmap_atomic(child, KM_USER0);
+		err = write_one_alias(sb, ino, bix, level, pos, val);
+		if (err)
+			return err;
+	}
+}
+
+int logfs_write_obj_aliases_pagecache(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_block *block;
+	int err;
+
+	list_for_each_entry(block, &super->s_object_alias, alias_list) {
+		err = block->ops->write_alias(sb, block, write_alias_journal);
+		if (err)
+			return err;
+	}
+	return 0;
+}
+
+void __free_block(struct super_block *sb, struct logfs_block *block)
+{
+	BUG_ON(!list_empty(&block->item_list));
+	list_del(&block->alias_list);
+	mempool_free(block, logfs_super(sb)->s_block_pool);
+}
+
+static void inode_free_block(struct super_block *sb, struct logfs_block *block)
+{
+	struct inode *inode = block->inode;
+
+	logfs_inode(inode)->li_block = NULL;
+	__free_block(sb, block);
+}
+
+static void indirect_free_block(struct super_block *sb,
+		struct logfs_block *block)
+{
+	ClearPagePrivate(block->page);
+	block->page->private = 0;
+	__free_block(sb, block);
+}
+
+
+static struct logfs_block_ops inode_block_ops = {
+	.write_block = inode_write_block,
+	.block_level = inode_block_level,
+	.free_block = inode_free_block,
+	.write_alias = inode_write_alias,
+};
+
+struct logfs_block_ops indirect_block_ops = {
+	.write_block = indirect_write_block,
+	.block_level = indirect_block_level,
+	.free_block = indirect_free_block,
+	.write_alias = indirect_write_alias,
+};
+
+struct logfs_block *__alloc_block(struct super_block *sb,
+		u64 ino, u64 bix, level_t level)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_block *block;
+
+	block = mempool_alloc(super->s_block_pool, GFP_NOFS);
+	memset(block, 0, sizeof(*block));
+	INIT_LIST_HEAD(&block->alias_list);
+	INIT_LIST_HEAD(&block->item_list);
+	block->sb = sb;
+	block->ino = ino;
+	block->bix = bix;
+	block->level = level;
+	return block;
+}
+
+static void alloc_inode_block(struct inode *inode)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	struct logfs_block *block;
+
+	if (li->li_block)
+		return;
+
+	block = __alloc_block(inode->i_sb, LOGFS_INO_MASTER, inode->i_ino, 0);
+	block->inode = inode;
+	li->li_block = block;
+	block->ops = &inode_block_ops;
+}
+
+void initialize_block_counters(struct page *page, struct logfs_block *block,
+		__be64 *array, int page_is_empty)
+{
+	u64 ptr;
+	int i, start;
+
+	block->partial = 0;
+	block->full = 0;
+	start = 0;
+	if (page->index < first_indirect_block()) {
+		/* Counters are pointless on level 0 */
+		return;
+	}
+	if (page->index == first_indirect_block()) {
+		/* Skip unused pointers */
+		start = I0_BLOCKS;
+		block->full = I0_BLOCKS;
+	}
+	if (!page_is_empty) {
+		for (i = start; i < LOGFS_BLOCK_FACTOR; i++) {
+			ptr = be64_to_cpu(array[i]);
+			if (ptr)
+				block->partial++;
+			if (ptr & LOGFS_FULLY_POPULATED)
+				block->full++;
+		}
+	}
+}
+
+static void alloc_data_block(struct inode *inode, struct page *page)
+{
+	struct logfs_block *block;
+	u64 bix;
+	level_t level;
+
+	if (PagePrivate(page))
+		return;
+
+	logfs_unpack_index(page->index, &bix, &level);
+	block = __alloc_block(inode->i_sb, inode->i_ino, bix, level);
+	block->page = page;
+	SetPagePrivate(page);
+	page->private = (unsigned long)block;
+	block->ops = &indirect_block_ops;
+}
+
+static void alloc_indirect_block(struct inode *inode, struct page *page,
+		int page_is_empty)
+{
+	struct logfs_block *block;
+	__be64 *array;
+
+	if (PagePrivate(page))
+		return;
+
+	alloc_data_block(inode, page);
+
+	block = logfs_block(page);
+	array = kmap_atomic(page, KM_USER0);
+	initialize_block_counters(page, block, array, page_is_empty);
+	kunmap_atomic(array, KM_USER0);
+}
+
+static void block_set_pointer(struct page *page, int index, u64 ptr)
+{
+	struct logfs_block *block = logfs_block(page);
+	__be64 *array;
+	u64 oldptr;
+
+	BUG_ON(!block);
+	array = kmap_atomic(page, KM_USER0);
+	oldptr = be64_to_cpu(array[index]);
+	array[index] = cpu_to_be64(ptr);
+	kunmap_atomic(array, KM_USER0);
+	SetPageUptodate(page);
+
+	block->full += !!(ptr & LOGFS_FULLY_POPULATED)
+		- !!(oldptr & LOGFS_FULLY_POPULATED);
+	block->partial += !!ptr - !!oldptr;
+}
+
+static u64 block_get_pointer(struct page *page, int index)
+{
+	__be64 *block;
+	u64 ptr;
+
+	block = kmap_atomic(page, KM_USER0);
+	ptr = be64_to_cpu(block[index]);
+	kunmap_atomic(block, KM_USER0);
+	return ptr;
+}
+
+static int logfs_read_empty(struct page *page)
+{
+	zero_user_segment(page, 0, PAGE_CACHE_SIZE);
+	return 0;
+}
+
+static int logfs_read_direct(struct inode *inode, struct page *page)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	pgoff_t index = page->index;
+	u64 block;
+
+	block = li->li_data[index];
+	if (!block)
+		return logfs_read_empty(page);
+
+	return logfs_segment_read(inode, page, block, index, 0);
+}
+
+static int logfs_read_loop(struct inode *inode, struct page *page,
+		int rw_context)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	u64 bix, bofs = li->li_data[INDIRECT_INDEX];
+	level_t level, target_level;
+	int ret;
+	struct page *ipage;
+
+	logfs_unpack_index(page->index, &bix, &target_level);
+	if (!bofs)
+		return logfs_read_empty(page);
+
+	if (bix >= maxbix(li->li_height))
+		return logfs_read_empty(page);
+
+	for (level = LEVEL(li->li_height);
+			(__force u8)level > (__force u8)target_level;
+			level = SUBLEVEL(level)){
+		ipage = logfs_get_page(inode, bix, level, rw_context);
+		if (!ipage)
+			return -ENOMEM;
+
+		ret = logfs_segment_read(inode, ipage, bofs, bix, level);
+		if (ret) {
+			logfs_put_read_page(ipage);
+			return ret;
+		}
+
+		bofs = block_get_pointer(ipage, get_bits(bix, SUBLEVEL(level)));
+		logfs_put_page(ipage, rw_context);
+		if (!bofs)
+			return logfs_read_empty(page);
+	}
+
+	return logfs_segment_read(inode, page, bofs, bix, 0);
+}
+
+static int logfs_read_block(struct inode *inode, struct page *page,
+		int rw_context)
+{
+	pgoff_t index = page->index;
+
+	if (index < I0_BLOCKS)
+		return logfs_read_direct(inode, page);
+	return logfs_read_loop(inode, page, rw_context);
+}
+
+static int logfs_exist_loop(struct inode *inode, u64 bix)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	u64 bofs = li->li_data[INDIRECT_INDEX];
+	level_t level;
+	int ret;
+	struct page *ipage;
+
+	if (!bofs)
+		return 0;
+	if (bix >= maxbix(li->li_height))
+		return 0;
+
+	for (level = LEVEL(li->li_height); level != 0; level = SUBLEVEL(level)) {
+		ipage = logfs_get_read_page(inode, bix, level);
+		if (!ipage)
+			return -ENOMEM;
+
+		ret = logfs_segment_read(inode, ipage, bofs, bix, level);
+		if (ret) {
+			logfs_put_read_page(ipage);
+			return ret;
+		}
+
+		bofs = block_get_pointer(ipage, get_bits(bix, SUBLEVEL(level)));
+		logfs_put_read_page(ipage);
+		if (!bofs)
+			return 0;
+	}
+
+	return 1;
+}
+
+int logfs_exist_block(struct inode *inode, u64 bix)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+
+	if (bix < I0_BLOCKS)
+		return !!li->li_data[bix];
+	return logfs_exist_loop(inode, bix);
+}
+
+static u64 seek_holedata_direct(struct inode *inode, u64 bix, int data)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+
+	for (; bix < I0_BLOCKS; bix++)
+		if (data ^ (li->li_data[bix] == 0))
+			return bix;
+	return I0_BLOCKS;
+}
+
+static u64 seek_holedata_loop(struct inode *inode, u64 bix, int data)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	__be64 *rblock;
+	u64 increment, bofs = li->li_data[INDIRECT_INDEX];
+	level_t level;
+	int ret, slot;
+	struct page *page;
+
+	BUG_ON(!bofs);
+
+	for (level = LEVEL(li->li_height); level != 0; level = SUBLEVEL(level)) {
+		increment = 1 << (LOGFS_BLOCK_BITS * ((__force u8)level-1));
+		page = logfs_get_read_page(inode, bix, level);
+		if (!page)
+			return bix;
+
+		ret = logfs_segment_read(inode, page, bofs, bix, level);
+		if (ret) {
+			logfs_put_read_page(page);
+			return bix;
+		}
+
+		slot = get_bits(bix, SUBLEVEL(level));
+		rblock = kmap_atomic(page, KM_USER0);
+		while (slot < LOGFS_BLOCK_FACTOR) {
+			if (data && (rblock[slot] != 0))
+				break;
+			if (!data && !(be64_to_cpu(rblock[slot]) & LOGFS_FULLY_POPULATED))
+				break;
+			slot++;
+			bix += increment;
+			bix &= ~(increment - 1);
+		}
+		if (slot >= LOGFS_BLOCK_FACTOR) {
+			kunmap_atomic(rblock, KM_USER0);
+			logfs_put_read_page(page);
+			return bix;
+		}
+		bofs = be64_to_cpu(rblock[slot]);
+		kunmap_atomic(rblock, KM_USER0);
+		logfs_put_read_page(page);
+		if (!bofs) {
+			BUG_ON(data);
+			return bix;
+		}
+	}
+	return bix;
+}
+
+/**
+ * logfs_seek_hole - find next hole starting at a given block index
+ * @inode:		inode to search in
+ * @bix:		block index to start searching
+ *
+ * Returns next hole.  If the file doesn't contain any further holes, the
+ * block address next to eof is returned instead.
+ */
+u64 logfs_seek_hole(struct inode *inode, u64 bix)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+
+	if (bix < I0_BLOCKS) {
+		bix = seek_holedata_direct(inode, bix, 0);
+		if (bix < I0_BLOCKS)
+			return bix;
+	}
+
+	if (!li->li_data[INDIRECT_INDEX])
+		return bix;
+	else if (li->li_data[INDIRECT_INDEX] & LOGFS_FULLY_POPULATED)
+		bix = maxbix(li->li_height);
+	else {
+		bix = seek_holedata_loop(inode, bix, 0);
+		if (bix < maxbix(li->li_height))
+			return bix;
+		/* Should not happen anymore.  But if some port writes semi-
+		 * corrupt images (as this one used to) we might run into it.
+		 */
+		WARN_ON_ONCE(bix == maxbix(li->li_height));
+	}
+
+	return bix;
+}
+
+static u64 __logfs_seek_data(struct inode *inode, u64 bix)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+
+	if (bix < I0_BLOCKS) {
+		bix = seek_holedata_direct(inode, bix, 1);
+		if (bix < I0_BLOCKS)
+			return bix;
+	}
+
+	if (bix < maxbix(li->li_height)) {
+		if (!li->li_data[INDIRECT_INDEX])
+			bix = maxbix(li->li_height);
+		else
+			return seek_holedata_loop(inode, bix, 1);
+	}
+
+	return bix;
+}
+
+/**
+ * logfs_seek_data - find next data block after a given block index
+ * @inode:		inode to search in
+ * @bix:		block index to start searching
+ *
+ * Returns next data block.  If the file doesn't contain any further data
+ * blocks, the last block in the file is returned instead.
+ */
+u64 logfs_seek_data(struct inode *inode, u64 bix)
+{
+	struct super_block *sb = inode->i_sb;
+	u64 ret, end;
+
+	ret = __logfs_seek_data(inode, bix);
+	end = i_size_read(inode) >> sb->s_blocksize_bits;
+	if (ret >= end)
+		ret = max(bix, end);
+	return ret;
+}
+
+static int logfs_is_valid_direct(struct logfs_inode *li, u64 bix, u64 ofs)
+{
+	return pure_ofs(li->li_data[bix]) == ofs;
+}
+
+static int __logfs_is_valid_loop(struct inode *inode, u64 bix,
+		u64 ofs, u64 bofs)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	level_t level;
+	int ret;
+	struct page *page;
+
+	for (level = LEVEL(li->li_height); level != 0; level = SUBLEVEL(level)){
+		page = logfs_get_write_page(inode, bix, level);
+		BUG_ON(!page);
+
+		ret = logfs_segment_read(inode, page, bofs, bix, level);
+		if (ret) {
+			logfs_put_write_page(page);
+			return 0;
+		}
+
+		bofs = block_get_pointer(page, get_bits(bix, SUBLEVEL(level)));
+		logfs_put_write_page(page);
+		if (!bofs)
+			return 0;
+
+		if (pure_ofs(bofs) == ofs)
+			return 1;
+	}
+	return 0;
+}
+
+static int logfs_is_valid_loop(struct inode *inode, u64 bix, u64 ofs)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	u64 bofs = li->li_data[INDIRECT_INDEX];
+
+	if (!bofs)
+		return 0;
+
+	if (bix >= maxbix(li->li_height))
+		return 0;
+
+	if (pure_ofs(bofs) == ofs)
+		return 1;
+
+	return __logfs_is_valid_loop(inode, bix, ofs, bofs);
+}
+
+static int __logfs_is_valid_block(struct inode *inode, u64 bix, u64 ofs)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+
+	if ((inode->i_nlink == 0) && atomic_read(&inode->i_count) == 1)
+		return 0;
+
+	if (bix < I0_BLOCKS)
+		return logfs_is_valid_direct(li, bix, ofs);
+	return logfs_is_valid_loop(inode, bix, ofs);
+}
+
+/**
+ * logfs_is_valid_block - check whether this block is still valid
+ *
+ * @sb	- superblock
+ * @ofs	- block physical offset
+ * @ino	- block inode number
+ * @bix	- block index
+ * @level - block level
+ *
+ * Returns 0 if the block is invalid, 1 if it is valid and 2 if it will
+ * become invalid once the journal is written.
+ */
+int logfs_is_valid_block(struct super_block *sb, u64 ofs, u64 ino, u64 bix,
+		gc_level_t gc_level)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct inode *inode;
+	int ret, cookie;
+
+	/* Umount closes a segment with free blocks remaining.  Those
+	 * blocks are by definition invalid. */
+	if (ino == -1)
+		return 0;
+
+	LOGFS_BUG_ON((u64)(u_long)ino != ino, sb);
+
+	inode = logfs_safe_iget(sb, ino, &cookie);
+	if (IS_ERR(inode))
+		goto invalid;
+
+	ret = __logfs_is_valid_block(inode, bix, ofs);
+	logfs_safe_iput(inode, cookie);
+	if (ret)
+		return ret;
+
+invalid:
+	/* Block is nominally invalid, but may still sit in the shadow tree,
+	 * waiting for a journal commit.
+	 */
+	if (btree_lookup64(&super->s_shadow_tree.old, ofs))
+		return 2;
+	return 0;
+}
+
+int logfs_readpage_nolock(struct page *page)
+{
+	struct inode *inode = page->mapping->host;
+	int ret = -EIO;
+
+	ret = logfs_read_block(inode, page, READ);
+
+	if (ret) {
+		ClearPageUptodate(page);
+		SetPageError(page);
+	} else {
+		SetPageUptodate(page);
+		ClearPageError(page);
+	}
+	flush_dcache_page(page);
+
+	return ret;
+}
+
+static int logfs_reserve_bytes(struct inode *inode, int bytes)
+{
+	struct logfs_super *super = logfs_super(inode->i_sb);
+	u64 available = super->s_free_bytes + super->s_dirty_free_bytes
+			- super->s_dirty_used_bytes - super->s_dirty_pages;
+
+	if (!bytes)
+		return 0;
+
+	if (available < bytes)
+		return -ENOSPC;
+
+	if (available < bytes + super->s_root_reserve &&
+			!capable(CAP_SYS_RESOURCE))
+		return -ENOSPC;
+
+	return 0;
+}
+
+int get_page_reserve(struct inode *inode, struct page *page)
+{
+	struct logfs_super *super = logfs_super(inode->i_sb);
+	int ret;
+
+	if (logfs_block(page) && logfs_block(page)->reserved_bytes)
+		return 0;
+
+	logfs_get_wblocks(inode->i_sb, page, WF_LOCK);
+	ret = logfs_reserve_bytes(inode, 6 * LOGFS_MAX_OBJECTSIZE);
+	if (!ret) {
+		alloc_data_block(inode, page);
+		logfs_block(page)->reserved_bytes += 6 * LOGFS_MAX_OBJECTSIZE;
+		super->s_dirty_pages += 6 * LOGFS_MAX_OBJECTSIZE;
+	}
+	logfs_put_wblocks(inode->i_sb, page, WF_LOCK);
+	return ret;
+}
+
+/*
+ * We are protected by write lock.  Push victims up to superblock level
+ * and release transaction when appropriate.
+ */
+/* FIXME: This is currently called from the wrong spots. */
+static void logfs_handle_transaction(struct inode *inode,
+		struct logfs_transaction *ta)
+{
+	struct logfs_super *super = logfs_super(inode->i_sb);
+
+	if (!ta)
+		return;
+	logfs_inode(inode)->li_block->ta = NULL;
+
+	if (inode->i_ino != LOGFS_INO_MASTER) {
+		BUG(); /* FIXME: Yes, this needs more thought */
+		/* just remember the transaction until inode is written */
+		//BUG_ON(logfs_inode(inode)->li_transaction);
+		//logfs_inode(inode)->li_transaction = ta;
+		return;
+	}
+
+	switch (ta->state) {
+	case CREATE_1: /* fall through */
+	case UNLINK_1:
+		BUG_ON(super->s_victim_ino);
+		super->s_victim_ino = ta->ino;
+		break;
+	case CREATE_2: /* fall through */
+	case UNLINK_2:
+		BUG_ON(super->s_victim_ino != ta->ino);
+		super->s_victim_ino = 0;
+		/* transaction ends here - free it */
+		kfree(ta);
+		break;
+	case CROSS_RENAME_1:
+		BUG_ON(super->s_rename_dir);
+		BUG_ON(super->s_rename_pos);
+		super->s_rename_dir = ta->dir;
+		super->s_rename_pos = ta->pos;
+		break;
+	case CROSS_RENAME_2:
+		BUG_ON(super->s_rename_dir != ta->dir);
+		BUG_ON(super->s_rename_pos != ta->pos);
+		super->s_rename_dir = 0;
+		super->s_rename_pos = 0;
+		kfree(ta);
+		break;
+	case TARGET_RENAME_1:
+		BUG_ON(super->s_rename_dir);
+		BUG_ON(super->s_rename_pos);
+		BUG_ON(super->s_victim_ino);
+		super->s_rename_dir = ta->dir;
+		super->s_rename_pos = ta->pos;
+		super->s_victim_ino = ta->ino;
+		break;
+	case TARGET_RENAME_2:
+		BUG_ON(super->s_rename_dir != ta->dir);
+		BUG_ON(super->s_rename_pos != ta->pos);
+		BUG_ON(super->s_victim_ino != ta->ino);
+		super->s_rename_dir = 0;
+		super->s_rename_pos = 0;
+		break;
+	case TARGET_RENAME_3:
+		BUG_ON(super->s_rename_dir);
+		BUG_ON(super->s_rename_pos);
+		BUG_ON(super->s_victim_ino != ta->ino);
+		super->s_victim_ino = 0;
+		kfree(ta);
+		break;
+	default:
+		BUG();
+	}
+}
+
+/*
+ * Not strictly a reservation, but rather a check that we still have enough
+ * space to satisfy the write.
+ */
+static int logfs_reserve_blocks(struct inode *inode, int blocks)
+{
+	return logfs_reserve_bytes(inode, blocks * LOGFS_MAX_OBJECTSIZE);
+}
+
+struct write_control {
+	u64 ofs;
+	long flags;
+};
+
+static struct logfs_shadow *alloc_shadow(struct inode *inode, u64 bix,
+		level_t level, u64 old_ofs)
+{
+	struct logfs_super *super = logfs_super(inode->i_sb);
+	struct logfs_shadow *shadow;
+
+	shadow = mempool_alloc(super->s_shadow_pool, GFP_NOFS);
+	memset(shadow, 0, sizeof(*shadow));
+	shadow->ino = inode->i_ino;
+	shadow->bix = bix;
+	shadow->gc_level = expand_level(inode->i_ino, level);
+	shadow->old_ofs = old_ofs & ~LOGFS_FULLY_POPULATED;
+	return shadow;
+}
+
+static void free_shadow(struct inode *inode, struct logfs_shadow *shadow)
+{
+	struct logfs_super *super = logfs_super(inode->i_sb);
+
+	mempool_free(shadow, super->s_shadow_pool);
+}
+
+/**
+ * fill_shadow_tree - Propagate shadow tree changes due to a write
+ * @inode:	Inode owning the page
+ * @page:	Struct page that was written
+ * @shadow:	Shadow for the current write
+ *
+ * Writes in logfs can result in two semi-valid objects.  The old object
+ * is still valid as long as it can be reached by following pointers on
+ * the medium.  Only when writes propagate all the way up to the journal
+ * has the new object safely replaced the old one.
+ *
+ * To handle this problem, a struct logfs_shadow is used to represent
+ * every single write.  It is attached to the indirect block, which is
+ * marked dirty.  When the indirect block is written, its shadows are
+ * handed up to the next indirect block (or inode).  Untimately they
+ * will reach the master inode and be freed upon journal commit.
+ *
+ * This function handles a single step in the propagation.  It adds the
+ * shadow for the current write to the tree, along with any shadows in
+ * the page's tree, in case it was an indirect block.  If a page is
+ * written, the inode parameter is left NULL, if an inode is written,
+ * the page parameter is left NULL.
+ */
+static void fill_shadow_tree(struct inode *inode, struct page *page,
+		struct logfs_shadow *shadow)
+{
+	struct logfs_super *super = logfs_super(inode->i_sb);
+	struct logfs_block *block = logfs_block(page);
+	struct shadow_tree *tree = &super->s_shadow_tree;
+
+	if (PagePrivate(page)) {
+		if (block->alias_map)
+			super->s_no_object_aliases -= bitmap_weight(
+					block->alias_map, LOGFS_BLOCK_FACTOR);
+		logfs_handle_transaction(inode, block->ta);
+		block->ops->free_block(inode->i_sb, block);
+	}
+	if (shadow) {
+		if (shadow->old_ofs)
+			btree_insert64(&tree->old, shadow->old_ofs, shadow,
+					GFP_NOFS);
+		else
+			btree_insert64(&tree->new, shadow->new_ofs, shadow,
+					GFP_NOFS);
+
+		super->s_dirty_used_bytes += shadow->new_len;
+		super->s_dirty_free_bytes += shadow->old_len;
+	}
+}
+
+static void logfs_set_alias(struct super_block *sb, struct logfs_block *block,
+		long child_no)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	if (block->inode && block->inode->i_ino == LOGFS_INO_MASTER) {
+		/* Aliases in the master inode are pointless. */
+		return;
+	}
+
+	if (!test_bit(child_no, block->alias_map)) {
+		set_bit(child_no, block->alias_map);
+		super->s_no_object_aliases++;
+	}
+	list_move_tail(&block->alias_list, &super->s_object_alias);
+}
+
+/*
+ * Object aliases can and often do change the size and occupied space of a
+ * file.  So not only do we have to change the pointers, we also have to
+ * change inode->i_size and li->li_used_bytes.  Which is done by setting
+ * another two object aliases for the inode itself.
+ */
+static void set_iused(struct inode *inode, struct logfs_shadow *shadow)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+
+	if (shadow->new_len == shadow->old_len)
+		return;
+
+	alloc_inode_block(inode);
+	li->li_used_bytes += shadow->new_len - shadow->old_len;
+	__logfs_set_blocks(inode);
+	logfs_set_alias(inode->i_sb, li->li_block, INODE_USED_OFS);
+	logfs_set_alias(inode->i_sb, li->li_block, INODE_SIZE_OFS);
+}
+
+static int logfs_write_i0(struct inode *inode, struct page *page,
+		struct write_control *wc)
+{
+	struct logfs_shadow *shadow;
+	u64 bix;
+	level_t level;
+	int full, err = 0;
+
+	logfs_unpack_index(page->index, &bix, &level);
+	if (wc->ofs == 0)
+		if (logfs_reserve_blocks(inode, 1))
+			return -ENOSPC;
+
+	shadow = alloc_shadow(inode, bix, level, wc->ofs);
+	if (wc->flags & WF_WRITE)
+		err = logfs_segment_write(inode, page, shadow);
+	if (wc->flags & WF_DELETE)
+		logfs_segment_delete(inode, shadow);
+	if (err) {
+		free_shadow(inode, shadow);
+		return err;
+	}
+
+	set_iused(inode, shadow);
+	full = 1;
+	if (level != 0) {
+		alloc_indirect_block(inode, page, 0);
+		full = logfs_block(page)->full == LOGFS_BLOCK_FACTOR;
+	}
+	fill_shadow_tree(inode, page, shadow);
+	wc->ofs = shadow->new_ofs;
+	if (wc->ofs && full)
+		wc->ofs |= LOGFS_FULLY_POPULATED;
+	return 0;
+}
+
+static int logfs_write_direct(struct inode *inode, struct page *page,
+		long flags)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	struct write_control wc = {
+		.ofs = li->li_data[page->index],
+		.flags = flags,
+	};
+	int err;
+
+	alloc_inode_block(inode);
+
+	err = logfs_write_i0(inode, page, &wc);
+	if (err)
+		return err;
+
+	li->li_data[page->index] = wc.ofs;
+	logfs_set_alias(inode->i_sb, li->li_block,
+			page->index + INODE_POINTER_OFS);
+	return 0;
+}
+
+static int ptr_change(u64 ofs, struct page *page)
+{
+	struct logfs_block *block = logfs_block(page);
+	int empty0, empty1, full0, full1;
+
+	empty0 = ofs == 0;
+	empty1 = block->partial == 0;
+	if (empty0 != empty1)
+		return 1;
+
+	/* The !! is necessary to shrink result to int */
+	full0 = !!(ofs & LOGFS_FULLY_POPULATED);
+	full1 = block->full == LOGFS_BLOCK_FACTOR;
+	if (full0 != full1)
+		return 1;
+	return 0;
+}
+
+static int __logfs_write_rec(struct inode *inode, struct page *page,
+		struct write_control *this_wc,
+		pgoff_t bix, level_t target_level, level_t level)
+{
+	int ret, page_empty = 0;
+	int child_no = get_bits(bix, SUBLEVEL(level));
+	struct page *ipage;
+	struct write_control child_wc = {
+		.flags = this_wc->flags,
+	};
+
+	ipage = logfs_get_write_page(inode, bix, level);
+	if (!ipage)
+		return -ENOMEM;
+
+	if (this_wc->ofs) {
+		ret = logfs_segment_read(inode, ipage, this_wc->ofs, bix, level);
+		if (ret)
+			goto out;
+	} else if (!PageUptodate(ipage)) {
+		page_empty = 1;
+		logfs_read_empty(ipage);
+	}
+
+	child_wc.ofs = block_get_pointer(ipage, child_no);
+
+	if ((__force u8)level-1 > (__force u8)target_level)
+		ret = __logfs_write_rec(inode, page, &child_wc, bix,
+				target_level, SUBLEVEL(level));
+	else
+		ret = logfs_write_i0(inode, page, &child_wc);
+
+	if (ret)
+		goto out;
+
+	alloc_indirect_block(inode, ipage, page_empty);
+	block_set_pointer(ipage, child_no, child_wc.ofs);
+	/* FIXME: first condition seems superfluous */
+	if (child_wc.ofs || logfs_block(ipage)->partial)
+		this_wc->flags |= WF_WRITE;
+	/* the condition on this_wc->ofs ensures that we won't consume extra
+	 * space for indirect blocks in the future, which we cannot reserve */
+	if (!this_wc->ofs || ptr_change(this_wc->ofs, ipage))
+		ret = logfs_write_i0(inode, ipage, this_wc);
+	else
+		logfs_set_alias(inode->i_sb, logfs_block(ipage), child_no);
+out:
+	logfs_put_write_page(ipage);
+	return ret;
+}
+
+static int logfs_write_rec(struct inode *inode, struct page *page,
+		pgoff_t bix, level_t target_level, long flags)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	struct write_control wc = {
+		.ofs = li->li_data[INDIRECT_INDEX],
+		.flags = flags,
+	};
+	int ret;
+
+	alloc_inode_block(inode);
+
+	if (li->li_height > (__force u8)target_level)
+		ret = __logfs_write_rec(inode, page, &wc, bix, target_level,
+				LEVEL(li->li_height));
+	else
+		ret = logfs_write_i0(inode, page, &wc);
+	if (ret)
+		return ret;
+
+	if (li->li_data[INDIRECT_INDEX] != wc.ofs) {
+		li->li_data[INDIRECT_INDEX] = wc.ofs;
+		logfs_set_alias(inode->i_sb, li->li_block,
+				INDIRECT_INDEX + INODE_POINTER_OFS);
+	}
+	return ret;
+}
+
+void logfs_add_transaction(struct inode *inode, struct logfs_transaction *ta)
+{
+	alloc_inode_block(inode);
+	logfs_inode(inode)->li_block->ta = ta;
+}
+
+void logfs_del_transaction(struct inode *inode, struct logfs_transaction *ta)
+{
+	struct logfs_block *block = logfs_inode(inode)->li_block;
+
+	if (block && block->ta)
+		block->ta = NULL;
+}
+
+static int grow_inode(struct inode *inode, u64 bix, level_t level)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	u8 height = (__force u8)level;
+	struct page *page;
+	struct write_control wc = {
+		.flags = WF_WRITE,
+	};
+	int err;
+
+	BUG_ON(height > 5 || li->li_height > 5);
+	while (height > li->li_height || bix >= maxbix(li->li_height)) {
+		page = logfs_get_write_page(inode, I0_BLOCKS + 1,
+				LEVEL(li->li_height + 1));
+		if (!page)
+			return -ENOMEM;
+		logfs_read_empty(page);
+		alloc_indirect_block(inode, page, 1);
+		block_set_pointer(page, 0, li->li_data[INDIRECT_INDEX]);
+		err = logfs_write_i0(inode, page, &wc);
+		logfs_put_write_page(page);
+		if (err)
+			return err;
+		li->li_data[INDIRECT_INDEX] = wc.ofs;
+		wc.ofs = 0;
+		li->li_height++;
+		logfs_set_alias(inode->i_sb, li->li_block, INODE_HEIGHT_OFS);
+	}
+	return 0;
+}
+
+static int __logfs_write_buf(struct inode *inode, struct page *page, long flags)
+{
+	struct logfs_super *super = logfs_super(inode->i_sb);
+	pgoff_t index = page->index;
+	u64 bix;
+	level_t level;
+	int err;
+
+	flags |= WF_WRITE | WF_DELETE;
+	inode->i_ctime = inode->i_mtime = CURRENT_TIME;
+
+	logfs_unpack_index(index, &bix, &level);
+	if (logfs_block(page) && logfs_block(page)->reserved_bytes)
+		super->s_dirty_pages -= logfs_block(page)->reserved_bytes;
+
+	if (index < I0_BLOCKS)
+		return logfs_write_direct(inode, page, flags);
+
+	bix = adjust_bix(bix, level);
+	err = grow_inode(inode, bix, level);
+	if (err)
+		return err;
+	return logfs_write_rec(inode, page, bix, level, flags);
+}
+
+int logfs_write_buf(struct inode *inode, struct page *page, long flags)
+{
+	struct super_block *sb = inode->i_sb;
+	int ret;
+
+	logfs_get_wblocks(sb, page, flags & WF_LOCK);
+	ret = __logfs_write_buf(inode, page, flags);
+	logfs_put_wblocks(sb, page, flags & WF_LOCK);
+	return ret;
+}
+
+static int __logfs_delete(struct inode *inode, struct page *page)
+{
+	long flags = WF_DELETE;
+
+	inode->i_ctime = inode->i_mtime = CURRENT_TIME;
+
+	if (page->index < I0_BLOCKS)
+		return logfs_write_direct(inode, page, flags);
+	return logfs_write_rec(inode, page, page->index, 0, flags);
+}
+
+int logfs_delete(struct inode *inode, pgoff_t index,
+		struct shadow_tree *shadow_tree)
+{
+	struct super_block *sb = inode->i_sb;
+	struct page *page;
+	int ret;
+
+	page = logfs_get_read_page(inode, index, 0);
+	if (!page)
+		return -ENOMEM;
+
+	logfs_get_wblocks(sb, page, 1);
+	ret = __logfs_delete(inode, page);
+	logfs_put_wblocks(sb, page, 1);
+
+	logfs_put_read_page(page);
+
+	return ret;
+}
+
+int logfs_rewrite_block(struct inode *inode, u64 bix, u64 ofs,
+		gc_level_t gc_level, long flags)
+{
+	level_t level = shrink_level(gc_level);
+	struct page *page;
+	int err;
+
+	page = logfs_get_write_page(inode, bix, level);
+	if (!page)
+		return -ENOMEM;
+
+	err = logfs_segment_read(inode, page, ofs, bix, level);
+	if (!err) {
+		if (level != 0)
+			alloc_indirect_block(inode, page, 0);
+		err = logfs_write_buf(inode, page, flags);
+		if (!err && shrink_level(gc_level) == 0) {
+			/* Rewrite cannot mark the inode dirty but has to
+			 * write it immediatly.
+			 * Q: Can't we just create an alias for the inode
+			 * instead?  And if not, why not?
+			 */
+			if (inode->i_ino == LOGFS_INO_MASTER)
+				logfs_write_anchor(inode->i_sb);
+			else {
+				err = __logfs_write_inode(inode, flags);
+			}
+		}
+	}
+	logfs_put_write_page(page);
+	return err;
+}
+
+static int truncate_data_block(struct inode *inode, struct page *page,
+		u64 ofs, struct logfs_shadow *shadow, u64 size)
+{
+	loff_t pageofs = page->index << inode->i_sb->s_blocksize_bits;
+	u64 bix;
+	level_t level;
+	int err;
+
+	/* Does truncation happen within this page? */
+	if (size <= pageofs || size - pageofs >= PAGE_SIZE)
+		return 0;
+
+	logfs_unpack_index(page->index, &bix, &level);
+	BUG_ON(level != 0);
+
+	err = logfs_segment_read(inode, page, ofs, bix, level);
+	if (err)
+		return err;
+
+	zero_user_segment(page, size - pageofs, PAGE_CACHE_SIZE);
+	return logfs_segment_write(inode, page, shadow);
+}
+
+static int logfs_truncate_i0(struct inode *inode, struct page *page,
+		struct write_control *wc, u64 size)
+{
+	struct logfs_shadow *shadow;
+	u64 bix;
+	level_t level;
+	int err = 0;
+
+	logfs_unpack_index(page->index, &bix, &level);
+	BUG_ON(level != 0);
+	shadow = alloc_shadow(inode, bix, level, wc->ofs);
+
+	err = truncate_data_block(inode, page, wc->ofs, shadow, size);
+	if (err) {
+		free_shadow(inode, shadow);
+		return err;
+	}
+
+	logfs_segment_delete(inode, shadow);
+	set_iused(inode, shadow);
+	fill_shadow_tree(inode, page, shadow);
+	wc->ofs = shadow->new_ofs;
+	return 0;
+}
+
+static int logfs_truncate_direct(struct inode *inode, u64 size)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	struct write_control wc;
+	struct page *page;
+	int e;
+	int err;
+
+	alloc_inode_block(inode);
+
+	for (e = I0_BLOCKS - 1; e >= 0; e--) {
+		if (size > (e+1) * LOGFS_BLOCKSIZE)
+			break;
+
+		wc.ofs = li->li_data[e];
+		if (!wc.ofs)
+			continue;
+
+		page = logfs_get_write_page(inode, e, 0);
+		if (!page)
+			return -ENOMEM;
+		err = logfs_segment_read(inode, page, wc.ofs, e, 0);
+		if (err) {
+			logfs_put_write_page(page);
+			return err;
+		}
+		err = logfs_truncate_i0(inode, page, &wc, size);
+		logfs_put_write_page(page);
+		if (err)
+			return err;
+
+		li->li_data[e] = wc.ofs;
+	}
+	return 0;
+}
+
+/* FIXME: these need to become per-sb once we support different blocksizes */
+static u64 __logfs_step[] = {
+	1,
+	I1_BLOCKS,
+	I2_BLOCKS,
+	I3_BLOCKS,
+};
+
+static u64 __logfs_start_index[] = {
+	I0_BLOCKS,
+	I1_BLOCKS,
+	I2_BLOCKS,
+	I3_BLOCKS
+};
+
+static inline u64 logfs_step(level_t level)
+{
+	return __logfs_step[(__force u8)level];
+}
+
+static inline u64 logfs_factor(u8 level)
+{
+	return __logfs_step[level] * LOGFS_BLOCKSIZE;
+}
+
+static inline u64 logfs_start_index(level_t level)
+{
+	return __logfs_start_index[(__force u8)level];
+}
+
+static void logfs_unpack_raw_index(pgoff_t index, u64 *bix, level_t *level)
+{
+	logfs_unpack_index(index, bix, level);
+	if (*bix <= logfs_start_index(SUBLEVEL(*level)))
+		*bix = 0;
+}
+
+static int __logfs_truncate_rec(struct inode *inode, struct page *ipage,
+		struct write_control *this_wc, u64 size)
+{
+	int truncate_happened = 0;
+	int e, err = 0;
+	u64 bix, child_bix, next_bix;
+	level_t level;
+	struct page *page;
+	struct write_control child_wc = { /* FIXME: flags */ };
+
+	logfs_unpack_raw_index(ipage->index, &bix, &level);
+	err = logfs_segment_read(inode, ipage, this_wc->ofs, bix, level);
+	if (err)
+		return err;
+
+	for (e = LOGFS_BLOCK_FACTOR - 1; e >= 0; e--) {
+		child_bix = bix + e * logfs_step(SUBLEVEL(level));
+		next_bix = child_bix + logfs_step(SUBLEVEL(level));
+		if (size > next_bix * LOGFS_BLOCKSIZE)
+			break;
+
+		child_wc.ofs = pure_ofs(block_get_pointer(ipage, e));
+		if (!child_wc.ofs)
+			continue;
+
+		page = logfs_get_write_page(inode, child_bix, SUBLEVEL(level));
+		if (!page)
+			return -ENOMEM;
+
+		if ((__force u8)level > 1)
+			err = __logfs_truncate_rec(inode, page, &child_wc, size);
+		else
+			err = logfs_truncate_i0(inode, page, &child_wc, size);
+		logfs_put_write_page(page);
+		if (err)
+			return err;
+
+		truncate_happened = 1;
+		alloc_indirect_block(inode, ipage, 0);
+		block_set_pointer(ipage, e, child_wc.ofs);
+	}
+
+	if (!truncate_happened) {
+		printk("ineffectual truncate (%lx, %lx, %llx)\n", inode->i_ino, ipage->index, size);
+		return 0;
+	}
+
+	this_wc->flags = WF_DELETE;
+	if (logfs_block(ipage)->partial)
+		this_wc->flags |= WF_WRITE;
+
+	return logfs_write_i0(inode, ipage, this_wc);
+}
+
+static int logfs_truncate_rec(struct inode *inode, u64 size)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	struct write_control wc = {
+		.ofs = li->li_data[INDIRECT_INDEX],
+	};
+	struct page *page;
+	int err;
+
+	alloc_inode_block(inode);
+
+	if (!wc.ofs)
+		return 0;
+
+	page = logfs_get_write_page(inode, 0, LEVEL(li->li_height));
+	if (!page)
+		return -ENOMEM;
+
+	err = __logfs_truncate_rec(inode, page, &wc, size);
+	logfs_put_write_page(page);
+	if (err)
+		return err;
+
+	if (li->li_data[INDIRECT_INDEX] != wc.ofs)
+		li->li_data[INDIRECT_INDEX] = wc.ofs;
+	return 0;
+}
+
+static int __logfs_truncate(struct inode *inode, u64 size)
+{
+	int ret;
+
+	if (size >= logfs_factor(logfs_inode(inode)->li_height))
+		return 0;
+
+	ret = logfs_truncate_rec(inode, size);
+	if (ret)
+		return ret;
+
+	return logfs_truncate_direct(inode, size);
+}
+
+int logfs_truncate(struct inode *inode, u64 size)
+{
+	struct super_block *sb = inode->i_sb;
+	int err;
+
+	logfs_get_wblocks(sb, NULL, 1);
+	err = __logfs_truncate(inode, size);
+	if (!err)
+		err = __logfs_write_inode(inode, 0);
+	logfs_put_wblocks(sb, NULL, 1);
+
+	if (!err)
+		err = vmtruncate(inode, size);
+
+	/* I don't trust error recovery yet. */
+	WARN_ON(err);
+	return err;
+}
+
+static void move_page_to_inode(struct inode *inode, struct page *page)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	struct logfs_block *block = logfs_block(page);
+
+	if (!block)
+		return;
+
+	log_blockmove("move_page_to_inode(%llx, %llx, %x)\n",
+			block->ino, block->bix, block->level);
+	BUG_ON(li->li_block);
+	block->ops = &inode_block_ops;
+	block->inode = inode;
+	li->li_block = block;
+
+	block->page = NULL;
+	page->private = 0;
+	ClearPagePrivate(page);
+}
+
+static void move_inode_to_page(struct page *page, struct inode *inode)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+	struct logfs_block *block = li->li_block;
+
+	if (!block)
+		return;
+
+	log_blockmove("move_inode_to_page(%llx, %llx, %x)\n",
+			block->ino, block->bix, block->level);
+	BUG_ON(PagePrivate(page));
+	block->ops = &indirect_block_ops;
+	block->page = page;
+	page->private = (unsigned long)block;
+	SetPagePrivate(page);
+
+	block->inode = NULL;
+	li->li_block = NULL;
+}
+
+int logfs_read_inode(struct inode *inode)
+{
+	struct super_block *sb = inode->i_sb;
+	struct logfs_super *super = logfs_super(sb);
+	struct inode *master_inode = super->s_master_inode;
+	struct page *page;
+	struct logfs_disk_inode *di;
+	u64 ino = inode->i_ino;
+
+	if (ino << sb->s_blocksize_bits > i_size_read(master_inode))
+		return -ENODATA;
+	if (!logfs_exist_block(master_inode, ino))
+		return -ENODATA;
+
+	page = read_cache_page(master_inode->i_mapping, ino,
+			(filler_t *)logfs_readpage, NULL);
+	if (IS_ERR(page))
+		return PTR_ERR(page);
+
+	di = kmap_atomic(page, KM_USER0);
+	logfs_disk_to_inode(di, inode);
+	kunmap_atomic(di, KM_USER0);
+	move_page_to_inode(inode, page);
+	page_cache_release(page);
+	return 0;
+}
+
+/* Caller must logfs_put_write_page(page); */
+static struct page *inode_to_page(struct inode *inode)
+{
+	struct inode *master_inode = logfs_super(inode->i_sb)->s_master_inode;
+	struct logfs_disk_inode *di;
+	struct page *page;
+
+	BUG_ON(inode->i_ino == LOGFS_INO_MASTER);
+
+	page = logfs_get_write_page(master_inode, inode->i_ino, 0);
+	if (!page)
+		return NULL;
+
+	di = kmap_atomic(page, KM_USER0);
+	logfs_inode_to_disk(inode, di);
+	kunmap_atomic(di, KM_USER0);
+	move_inode_to_page(page, inode);
+	return page;
+}
+
+/* Cheaper version of write_inode.  All changes are concealed in
+ * aliases, which are moved back.  No write to the medium happens.
+ */
+void logfs_clear_inode(struct inode *inode)
+{
+	struct super_block *sb = inode->i_sb;
+	struct logfs_inode *li = logfs_inode(inode);
+	struct logfs_block *block = li->li_block;
+	struct page *page;
+
+	/* Only deleted files may be dirty at this point */
+	BUG_ON(inode->i_state & I_DIRTY && inode->i_nlink);
+	if (!block)
+		return;
+	if ((logfs_super(sb)->s_flags & LOGFS_SB_FLAG_SHUTDOWN)) {
+		block->ops->free_block(inode->i_sb, block);
+		return;
+	}
+
+	BUG_ON(inode->i_ino < LOGFS_RESERVED_INOS);
+	page = inode_to_page(inode);
+	BUG_ON(!page); /* FIXME: Use emergency page */
+	logfs_put_write_page(page);
+}
+
+static int do_write_inode(struct inode *inode)
+{
+	struct super_block *sb = inode->i_sb;
+	struct inode *master_inode = logfs_super(sb)->s_master_inode;
+	loff_t size = (inode->i_ino + 1) << inode->i_sb->s_blocksize_bits;
+	struct page *page;
+	int err;
+
+	BUG_ON(inode->i_ino == LOGFS_INO_MASTER);
+	/* FIXME: lock inode */
+
+	if (i_size_read(master_inode) < size)
+		i_size_write(master_inode, size);
+
+	/* TODO: Tell vfs this inode is clean now */
+
+	page = inode_to_page(inode);
+	if (!page)
+		return -ENOMEM;
+
+	/* FIXME: transaction is part of logfs_block now.  Is that enough? */
+	err = logfs_write_buf(master_inode, page, 0);
+	logfs_put_write_page(page);
+	return err;
+}
+
+static void logfs_mod_segment_entry(struct super_block *sb, u32 segno,
+		int write,
+		void (*change_se)(struct logfs_segment_entry *, long),
+		long arg)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct inode *inode;
+	struct page *page;
+	struct logfs_segment_entry *se;
+	pgoff_t page_no;
+	int child_no;
+
+	page_no = segno >> (sb->s_blocksize_bits - 3);
+	child_no = segno & ((sb->s_blocksize >> 3) - 1);
+
+	inode = super->s_segfile_inode;
+	page = logfs_get_write_page(inode, page_no, 0);
+	BUG_ON(!page); /* FIXME: We need some reserve page for this case */
+	if (!PageUptodate(page))
+		logfs_read_block(inode, page, WRITE);
+
+	if (write)
+		alloc_indirect_block(inode, page, 0);
+	se = kmap_atomic(page, KM_USER0);
+	change_se(se + child_no, arg);
+	if (write) {
+		logfs_set_alias(sb, logfs_block(page), child_no);
+		BUG_ON((int)be32_to_cpu(se[child_no].valid) > super->s_segsize);
+	}
+	kunmap_atomic(se, KM_USER0);
+
+	logfs_put_write_page(page);
+}
+
+static void __get_segment_entry(struct logfs_segment_entry *se, long _target)
+{
+	struct logfs_segment_entry *target = (void *)_target;
+
+	*target = *se;
+}
+
+void logfs_get_segment_entry(struct super_block *sb, u32 segno,
+		struct logfs_segment_entry *se)
+{
+	logfs_mod_segment_entry(sb, segno, 0, __get_segment_entry, (long)se);
+}
+
+static void __set_segment_used(struct logfs_segment_entry *se, long increment)
+{
+	u32 valid;
+
+	valid = be32_to_cpu(se->valid);
+	valid += increment;
+	se->valid = cpu_to_be32(valid);
+}
+
+void logfs_set_segment_used(struct super_block *sb, u64 ofs, int increment)
+{
+	struct logfs_super *super = logfs_super(sb);
+	u32 segno = ofs >> super->s_segshift;
+
+	if (!increment)
+		return;
+
+	logfs_mod_segment_entry(sb, segno, 1, __set_segment_used, increment);
+}
+
+static void __set_segment_erased(struct logfs_segment_entry *se, long ec_level)
+{
+	se->ec_level = cpu_to_be32(ec_level);
+}
+
+void logfs_set_segment_erased(struct super_block *sb, u32 segno, u32 ec,
+		gc_level_t gc_level)
+{
+	u32 ec_level = ec << 4 | (__force u8)gc_level;
+
+	logfs_mod_segment_entry(sb, segno, 1, __set_segment_erased, ec_level);
+}
+
+static void __set_segment_reserved(struct logfs_segment_entry *se, long ignore)
+{
+	se->valid = cpu_to_be32(RESERVED);
+}
+
+void logfs_set_segment_reserved(struct super_block *sb, u32 segno)
+{
+	logfs_mod_segment_entry(sb, segno, 1, __set_segment_reserved, 0);
+}
+
+static void __set_segment_unreserved(struct logfs_segment_entry *se,
+		long ec_level)
+{
+	se->valid = 0;
+	se->ec_level = cpu_to_be32(ec_level);
+}
+
+void logfs_set_segment_unreserved(struct super_block *sb, u32 segno, u32 ec)
+{
+	u32 ec_level = ec << 4;
+
+	logfs_mod_segment_entry(sb, segno, 1, __set_segment_unreserved,
+			ec_level);
+}
+
+int __logfs_write_inode(struct inode *inode, long flags)
+{
+	struct super_block *sb = inode->i_sb;
+	int ret;
+
+	logfs_get_wblocks(sb, NULL, flags & WF_LOCK);
+	ret = do_write_inode(inode);
+	logfs_put_wblocks(sb, NULL, flags & WF_LOCK);
+	return ret;
+}
+
+static int do_delete_inode(struct inode *inode)
+{
+	struct super_block *sb = inode->i_sb;
+	struct inode *master_inode = logfs_super(sb)->s_master_inode;
+	struct page *page;
+	int ret;
+
+	page = logfs_get_write_page(master_inode, inode->i_ino, 0);
+	if (!page)
+		return -ENOMEM;
+
+	move_inode_to_page(page, inode);
+
+	logfs_get_wblocks(sb, page, 1);
+	ret = __logfs_delete(master_inode, page);
+	logfs_put_wblocks(sb, page, 1);
+
+	logfs_put_write_page(page);
+	return ret;
+}
+
+/*
+ * ZOMBIE inodes have already been deleted before and should remain dead,
+ * if it weren't for valid checking.  No need to kill them again here.
+ */
+void logfs_delete_inode(struct inode *inode)
+{
+	struct logfs_inode *li = logfs_inode(inode);
+
+	if (!(li->li_flags & LOGFS_IF_ZOMBIE)) {
+		li->li_flags |= LOGFS_IF_ZOMBIE;
+		if (i_size_read(inode) > 0)
+			logfs_truncate(inode, 0);
+		do_delete_inode(inode);
+	}
+	truncate_inode_pages(&inode->i_data, 0);
+	clear_inode(inode);
+}
+
+void btree_write_block(struct logfs_block *block)
+{
+	struct inode *inode;
+	struct page *page;
+	int err, cookie;
+
+	inode = logfs_safe_iget(block->sb, block->ino, &cookie);
+	page = logfs_get_write_page(inode, block->bix, block->level);
+
+	err = logfs_readpage_nolock(page);
+	BUG_ON(err);
+	BUG_ON(!PagePrivate(page));
+	BUG_ON(logfs_block(page) != block);
+	err = __logfs_write_buf(inode, page, 0);
+	BUG_ON(err);
+	BUG_ON(PagePrivate(page) || page->private);
+
+	logfs_put_write_page(page);
+	logfs_safe_iput(inode, cookie);
+}
+
+/**
+ * logfs_inode_write - write inode or dentry objects
+ *
+ * @inode:		parent inode (ifile or directory)
+ * @buf:		object to write (inode or dentry)
+ * @n:			object size
+ * @_pos:		object number (file position in blocks/objects)
+ * @flags:		write flags
+ * @lock:		0 if write lock is already taken, 1 otherwise
+ * @shadow_tree:	shadow below this inode
+ *
+ * FIXME: All caller of this put a 200-300 byte variable on the stack,
+ * only to call here and do a memcpy from that stack variable.  A good
+ * example of wasted performance and stack space.
+ */
+int logfs_inode_write(struct inode *inode, const void *buf, size_t count,
+		loff_t bix, long flags, struct shadow_tree *shadow_tree)
+{
+	loff_t pos = bix << inode->i_sb->s_blocksize_bits;
+	int err;
+	struct page *page;
+	void *pagebuf;
+
+	BUG_ON(pos & (LOGFS_BLOCKSIZE-1));
+	BUG_ON(count > LOGFS_BLOCKSIZE);
+	page = logfs_get_write_page(inode, bix, 0);
+	if (!page)
+		return -ENOMEM;
+
+	pagebuf = kmap_atomic(page, KM_USER0);
+	memcpy(pagebuf, buf, count);
+	flush_dcache_page(page);
+	kunmap_atomic(pagebuf, KM_USER0);
+
+	if (i_size_read(inode) < pos + LOGFS_BLOCKSIZE)
+		i_size_write(inode, pos + LOGFS_BLOCKSIZE);
+
+	err = logfs_write_buf(inode, page, flags);
+	logfs_put_write_page(page);
+	return err;
+}
+
+int logfs_open_segfile(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct inode *inode;
+
+	inode = logfs_read_meta_inode(sb, LOGFS_INO_SEGFILE);
+	if (IS_ERR(inode))
+		return PTR_ERR(inode);
+	super->s_segfile_inode = inode;
+	return 0;
+}
+
+int logfs_init_rw(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	int min_fill = 3 * super->s_no_blocks;
+
+	INIT_LIST_HEAD(&super->s_object_alias);
+	mutex_init(&super->s_write_mutex);
+	super->s_block_pool = mempool_create_kmalloc_pool(min_fill,
+			sizeof(struct logfs_block));
+	super->s_shadow_pool = mempool_create_kmalloc_pool(min_fill,
+			sizeof(struct logfs_shadow));
+	return 0;
+}
+
+void logfs_cleanup_rw(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	destroy_meta_inode(super->s_segfile_inode);
+	if (super->s_block_pool)
+		mempool_destroy(super->s_block_pool);
+	if (super->s_shadow_pool)
+		mempool_destroy(super->s_shadow_pool);
+}
diff --git a/fs/logfs/segment.c b/fs/logfs/segment.c
new file mode 100644
index 000000000000..0ecd8f07c11e
--- /dev/null
+++ b/fs/logfs/segment.c
@@ -0,0 +1,935 @@
+/*
+ * fs/logfs/segment.c	- Handling the Object Store
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2008 Joern Engel <joern@logfs.org>
+ *
+ * Object store or ostore makes up the complete device with exception of
+ * the superblock and journal areas.  Apart from its own metadata it stores
+ * three kinds of objects: inodes, dentries and blocks, both data and indirect.
+ */
+#include "logfs.h"
+
+static int logfs_mark_segment_bad(struct super_block *sb, u32 segno)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct btree_head32 *head = &super->s_reserved_segments;
+	int err;
+
+	err = btree_insert32(head, segno, (void *)1, GFP_NOFS);
+	if (err)
+		return err;
+	logfs_super(sb)->s_bad_segments++;
+	/* FIXME: write to journal */
+	return 0;
+}
+
+int logfs_erase_segment(struct super_block *sb, u32 segno, int ensure_erase)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	super->s_gec++;
+
+	return super->s_devops->erase(sb, (u64)segno << super->s_segshift,
+			super->s_segsize, ensure_erase);
+}
+
+static s64 logfs_get_free_bytes(struct logfs_area *area, size_t bytes)
+{
+	s32 ofs;
+
+	logfs_open_area(area, bytes);
+
+	ofs = area->a_used_bytes;
+	area->a_used_bytes += bytes;
+	BUG_ON(area->a_used_bytes >= logfs_super(area->a_sb)->s_segsize);
+
+	return dev_ofs(area->a_sb, area->a_segno, ofs);
+}
+
+static struct page *get_mapping_page(struct super_block *sb, pgoff_t index,
+		int use_filler)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct address_space *mapping = super->s_mapping_inode->i_mapping;
+	filler_t *filler = super->s_devops->readpage;
+	struct page *page;
+
+	BUG_ON(mapping_gfp_mask(mapping) & __GFP_FS);
+	if (use_filler)
+		page = read_cache_page(mapping, index, filler, sb);
+	else {
+		page = find_or_create_page(mapping, index, GFP_NOFS);
+		unlock_page(page);
+	}
+	return page;
+}
+
+void __logfs_buf_write(struct logfs_area *area, u64 ofs, void *buf, size_t len,
+		int use_filler)
+{
+	pgoff_t index = ofs >> PAGE_SHIFT;
+	struct page *page;
+	long offset = ofs & (PAGE_SIZE-1);
+	long copylen;
+
+	/* Only logfs_wbuf_recover may use len==0 */
+	BUG_ON(!len && !use_filler);
+	do {
+		copylen = min((ulong)len, PAGE_SIZE - offset);
+
+		page = get_mapping_page(area->a_sb, index, use_filler);
+		SetPageUptodate(page);
+		BUG_ON(!page); /* FIXME: reserve a pool */
+		memcpy(page_address(page) + offset, buf, copylen);
+		SetPagePrivate(page);
+		page_cache_release(page);
+
+		buf += copylen;
+		len -= copylen;
+		offset = 0;
+		index++;
+	} while (len);
+}
+
+static void pad_partial_page(struct logfs_area *area)
+{
+	struct super_block *sb = area->a_sb;
+	struct page *page;
+	u64 ofs = dev_ofs(sb, area->a_segno, area->a_used_bytes);
+	pgoff_t index = ofs >> PAGE_SHIFT;
+	long offset = ofs & (PAGE_SIZE-1);
+	u32 len = PAGE_SIZE - offset;
+
+	if (len % PAGE_SIZE) {
+		page = get_mapping_page(sb, index, 0);
+		BUG_ON(!page); /* FIXME: reserve a pool */
+		memset(page_address(page) + offset, 0xff, len);
+		SetPagePrivate(page);
+		page_cache_release(page);
+	}
+}
+
+static void pad_full_pages(struct logfs_area *area)
+{
+	struct super_block *sb = area->a_sb;
+	struct logfs_super *super = logfs_super(sb);
+	u64 ofs = dev_ofs(sb, area->a_segno, area->a_used_bytes);
+	u32 len = super->s_segsize - area->a_used_bytes;
+	pgoff_t index = PAGE_CACHE_ALIGN(ofs) >> PAGE_CACHE_SHIFT;
+	pgoff_t no_indizes = len >> PAGE_CACHE_SHIFT;
+	struct page *page;
+
+	while (no_indizes) {
+		page = get_mapping_page(sb, index, 0);
+		BUG_ON(!page); /* FIXME: reserve a pool */
+		SetPageUptodate(page);
+		memset(page_address(page), 0xff, PAGE_CACHE_SIZE);
+		SetPagePrivate(page);
+		page_cache_release(page);
+		index++;
+		no_indizes--;
+	}
+}
+
+/*
+ * bdev_writeseg will write full pages.  Memset the tail to prevent data leaks.
+ * Also make sure we allocate (and memset) all pages for final writeout.
+ */
+static void pad_wbuf(struct logfs_area *area, int final)
+{
+	pad_partial_page(area);
+	if (final)
+		pad_full_pages(area);
+}
+
+/*
+ * We have to be careful with the alias tree.  Since lookup is done by bix,
+ * it needs to be normalized, so 14, 15, 16, etc. all match when dealing with
+ * indirect blocks.  So always use it through accessor functions.
+ */
+static void *alias_tree_lookup(struct super_block *sb, u64 ino, u64 bix,
+		level_t level)
+{
+	struct btree_head128 *head = &logfs_super(sb)->s_object_alias_tree;
+	pgoff_t index = logfs_pack_index(bix, level);
+
+	return btree_lookup128(head, ino, index);
+}
+
+static int alias_tree_insert(struct super_block *sb, u64 ino, u64 bix,
+		level_t level, void *val)
+{
+	struct btree_head128 *head = &logfs_super(sb)->s_object_alias_tree;
+	pgoff_t index = logfs_pack_index(bix, level);
+
+	return btree_insert128(head, ino, index, val, GFP_NOFS);
+}
+
+static int btree_write_alias(struct super_block *sb, struct logfs_block *block,
+		write_alias_t *write_one_alias)
+{
+	struct object_alias_item *item;
+	int err;
+
+	list_for_each_entry(item, &block->item_list, list) {
+		err = write_alias_journal(sb, block->ino, block->bix,
+				block->level, item->child_no, item->val);
+		if (err)
+			return err;
+	}
+	return 0;
+}
+
+static gc_level_t btree_block_level(struct logfs_block *block)
+{
+	return expand_level(block->ino, block->level);
+}
+
+static struct logfs_block_ops btree_block_ops = {
+	.write_block	= btree_write_block,
+	.block_level	= btree_block_level,
+	.free_block	= __free_block,
+	.write_alias	= btree_write_alias,
+};
+
+int logfs_load_object_aliases(struct super_block *sb,
+		struct logfs_obj_alias *oa, int count)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_block *block;
+	struct object_alias_item *item;
+	u64 ino, bix;
+	level_t level;
+	int i, err;
+
+	super->s_flags |= LOGFS_SB_FLAG_OBJ_ALIAS;
+	count /= sizeof(*oa);
+	for (i = 0; i < count; i++) {
+		item = mempool_alloc(super->s_alias_pool, GFP_NOFS);
+		if (!item)
+			return -ENOMEM;
+		memset(item, 0, sizeof(*item));
+
+		super->s_no_object_aliases++;
+		item->val = oa[i].val;
+		item->child_no = be16_to_cpu(oa[i].child_no);
+
+		ino = be64_to_cpu(oa[i].ino);
+		bix = be64_to_cpu(oa[i].bix);
+		level = LEVEL(oa[i].level);
+
+		log_aliases("logfs_load_object_aliases(%llx, %llx, %x, %x) %llx\n",
+				ino, bix, level, item->child_no,
+				be64_to_cpu(item->val));
+		block = alias_tree_lookup(sb, ino, bix, level);
+		if (!block) {
+			block = __alloc_block(sb, ino, bix, level);
+			block->ops = &btree_block_ops;
+			err = alias_tree_insert(sb, ino, bix, level, block);
+			BUG_ON(err); /* mempool empty */
+		}
+		if (test_and_set_bit(item->child_no, block->alias_map)) {
+			printk(KERN_ERR"LogFS: Alias collision detected\n");
+			return -EIO;
+		}
+		list_move_tail(&block->alias_list, &super->s_object_alias);
+		list_add(&item->list, &block->item_list);
+	}
+	return 0;
+}
+
+static void kill_alias(void *_block, unsigned long ignore0,
+		u64 ignore1, u64 ignore2, size_t ignore3)
+{
+	struct logfs_block *block = _block;
+	struct super_block *sb = block->sb;
+	struct logfs_super *super = logfs_super(sb);
+	struct object_alias_item *item;
+
+	while (!list_empty(&block->item_list)) {
+		item = list_entry(block->item_list.next, typeof(*item), list);
+		list_del(&item->list);
+		mempool_free(item, super->s_alias_pool);
+	}
+	block->ops->free_block(sb, block);
+}
+
+static int obj_type(struct inode *inode, level_t level)
+{
+	if (level == 0) {
+		if (S_ISDIR(inode->i_mode))
+			return OBJ_DENTRY;
+		if (inode->i_ino == LOGFS_INO_MASTER)
+			return OBJ_INODE;
+	}
+	return OBJ_BLOCK;
+}
+
+static int obj_len(struct super_block *sb, int obj_type)
+{
+	switch (obj_type) {
+	case OBJ_DENTRY:
+		return sizeof(struct logfs_disk_dentry);
+	case OBJ_INODE:
+		return sizeof(struct logfs_disk_inode);
+	case OBJ_BLOCK:
+		return sb->s_blocksize;
+	default:
+		BUG();
+	}
+}
+
+static int __logfs_segment_write(struct inode *inode, void *buf,
+		struct logfs_shadow *shadow, int type, int len, int compr)
+{
+	struct logfs_area *area;
+	struct super_block *sb = inode->i_sb;
+	s64 ofs;
+	struct logfs_object_header h;
+	int acc_len;
+
+	if (shadow->gc_level == 0)
+		acc_len = len;
+	else
+		acc_len = obj_len(sb, type);
+
+	area = get_area(sb, shadow->gc_level);
+	ofs = logfs_get_free_bytes(area, len + LOGFS_OBJECT_HEADERSIZE);
+	LOGFS_BUG_ON(ofs <= 0, sb);
+	/*
+	 * Order is important.  logfs_get_free_bytes(), by modifying the
+	 * segment file, may modify the content of the very page we're about
+	 * to write now.  Which is fine, as long as the calculated crc and
+	 * written data still match.  So do the modifications _before_
+	 * calculating the crc.
+	 */
+
+	h.len	= cpu_to_be16(len);
+	h.type	= type;
+	h.compr	= compr;
+	h.ino	= cpu_to_be64(inode->i_ino);
+	h.bix	= cpu_to_be64(shadow->bix);
+	h.crc	= logfs_crc32(&h, sizeof(h) - 4, 4);
+	h.data_crc = logfs_crc32(buf, len, 0);
+
+	logfs_buf_write(area, ofs, &h, sizeof(h));
+	logfs_buf_write(area, ofs + LOGFS_OBJECT_HEADERSIZE, buf, len);
+
+	shadow->new_ofs = ofs;
+	shadow->new_len = acc_len + LOGFS_OBJECT_HEADERSIZE;
+
+	return 0;
+}
+
+static s64 logfs_segment_write_compress(struct inode *inode, void *buf,
+		struct logfs_shadow *shadow, int type, int len)
+{
+	struct super_block *sb = inode->i_sb;
+	void *compressor_buf = logfs_super(sb)->s_compressed_je;
+	ssize_t compr_len;
+	int ret;
+
+	mutex_lock(&logfs_super(sb)->s_journal_mutex);
+	compr_len = logfs_compress(buf, compressor_buf, len, len);
+
+	if (compr_len >= 0) {
+		ret = __logfs_segment_write(inode, compressor_buf, shadow,
+				type, compr_len, COMPR_ZLIB);
+	} else {
+		ret = __logfs_segment_write(inode, buf, shadow, type, len,
+				COMPR_NONE);
+	}
+	mutex_unlock(&logfs_super(sb)->s_journal_mutex);
+	return ret;
+}
+
+/**
+ * logfs_segment_write - write data block to object store
+ * @inode:		inode containing data
+ *
+ * Returns an errno or zero.
+ */
+int logfs_segment_write(struct inode *inode, struct page *page,
+		struct logfs_shadow *shadow)
+{
+	struct super_block *sb = inode->i_sb;
+	struct logfs_super *super = logfs_super(sb);
+	int do_compress, type, len;
+	int ret;
+	void *buf;
+
+	super->s_flags |= LOGFS_SB_FLAG_DIRTY;
+	BUG_ON(super->s_flags & LOGFS_SB_FLAG_SHUTDOWN);
+	do_compress = logfs_inode(inode)->li_flags & LOGFS_IF_COMPRESSED;
+	if (shadow->gc_level != 0) {
+		/* temporarily disable compression for indirect blocks */
+		do_compress = 0;
+	}
+
+	type = obj_type(inode, shrink_level(shadow->gc_level));
+	len = obj_len(sb, type);
+	buf = kmap(page);
+	if (do_compress)
+		ret = logfs_segment_write_compress(inode, buf, shadow, type,
+				len);
+	else
+		ret = __logfs_segment_write(inode, buf, shadow, type, len,
+				COMPR_NONE);
+	kunmap(page);
+
+	log_segment("logfs_segment_write(%llx, %llx, %x) %llx->%llx %x->%x\n",
+			shadow->ino, shadow->bix, shadow->gc_level,
+			shadow->old_ofs, shadow->new_ofs,
+			shadow->old_len, shadow->new_len);
+	/* this BUG_ON did catch a locking bug.  useful */
+	BUG_ON(!(shadow->new_ofs & (super->s_segsize - 1)));
+	return ret;
+}
+
+int wbuf_read(struct super_block *sb, u64 ofs, size_t len, void *buf)
+{
+	pgoff_t index = ofs >> PAGE_SHIFT;
+	struct page *page;
+	long offset = ofs & (PAGE_SIZE-1);
+	long copylen;
+
+	while (len) {
+		copylen = min((ulong)len, PAGE_SIZE - offset);
+
+		page = get_mapping_page(sb, index, 1);
+		if (IS_ERR(page))
+			return PTR_ERR(page);
+		memcpy(buf, page_address(page) + offset, copylen);
+		page_cache_release(page);
+
+		buf += copylen;
+		len -= copylen;
+		offset = 0;
+		index++;
+	}
+	return 0;
+}
+
+/*
+ * The "position" of indirect blocks is ambiguous.  It can be the position
+ * of any data block somewhere behind this indirect block.  So we need to
+ * normalize the positions through logfs_block_mask() before comparing.
+ */
+static int check_pos(struct super_block *sb, u64 pos1, u64 pos2, level_t level)
+{
+	return	(pos1 & logfs_block_mask(sb, level)) !=
+		(pos2 & logfs_block_mask(sb, level));
+}
+
+#if 0
+static int read_seg_header(struct super_block *sb, u64 ofs,
+		struct logfs_segment_header *sh)
+{
+	__be32 crc;
+	int err;
+
+	err = wbuf_read(sb, ofs, sizeof(*sh), sh);
+	if (err)
+		return err;
+	crc = logfs_crc32(sh, sizeof(*sh), 4);
+	if (crc != sh->crc) {
+		printk(KERN_ERR"LOGFS: header crc error at %llx: expected %x, "
+				"got %x\n", ofs, be32_to_cpu(sh->crc),
+				be32_to_cpu(crc));
+		return -EIO;
+	}
+	return 0;
+}
+#endif
+
+static int read_obj_header(struct super_block *sb, u64 ofs,
+		struct logfs_object_header *oh)
+{
+	__be32 crc;
+	int err;
+
+	err = wbuf_read(sb, ofs, sizeof(*oh), oh);
+	if (err)
+		return err;
+	crc = logfs_crc32(oh, sizeof(*oh) - 4, 4);
+	if (crc != oh->crc) {
+		printk(KERN_ERR"LOGFS: header crc error at %llx: expected %x, "
+				"got %x\n", ofs, be32_to_cpu(oh->crc),
+				be32_to_cpu(crc));
+		return -EIO;
+	}
+	return 0;
+}
+
+static void move_btree_to_page(struct inode *inode, struct page *page,
+		__be64 *data)
+{
+	struct super_block *sb = inode->i_sb;
+	struct logfs_super *super = logfs_super(sb);
+	struct btree_head128 *head = &super->s_object_alias_tree;
+	struct logfs_block *block;
+	struct object_alias_item *item, *next;
+
+	if (!(super->s_flags & LOGFS_SB_FLAG_OBJ_ALIAS))
+		return;
+
+	block = btree_remove128(head, inode->i_ino, page->index);
+	if (!block)
+		return;
+
+	log_blockmove("move_btree_to_page(%llx, %llx, %x)\n",
+			block->ino, block->bix, block->level);
+	list_for_each_entry_safe(item, next, &block->item_list, list) {
+		data[item->child_no] = item->val;
+		list_del(&item->list);
+		mempool_free(item, super->s_alias_pool);
+	}
+	block->page = page;
+	SetPagePrivate(page);
+	page->private = (unsigned long)block;
+	block->ops = &indirect_block_ops;
+	initialize_block_counters(page, block, data, 0);
+}
+
+/*
+ * This silences a false, yet annoying gcc warning.  I hate it when my editor
+ * jumps into bitops.h each time I recompile this file.
+ * TODO: Complain to gcc folks about this and upgrade compiler.
+ */
+static unsigned long fnb(const unsigned long *addr,
+		unsigned long size, unsigned long offset)
+{
+	return find_next_bit(addr, size, offset);
+}
+
+void move_page_to_btree(struct page *page)
+{
+	struct logfs_block *block = logfs_block(page);
+	struct super_block *sb = block->sb;
+	struct logfs_super *super = logfs_super(sb);
+	struct object_alias_item *item;
+	unsigned long pos;
+	__be64 *child;
+	int err;
+
+	if (super->s_flags & LOGFS_SB_FLAG_SHUTDOWN) {
+		block->ops->free_block(sb, block);
+		return;
+	}
+	log_blockmove("move_page_to_btree(%llx, %llx, %x)\n",
+			block->ino, block->bix, block->level);
+	super->s_flags |= LOGFS_SB_FLAG_OBJ_ALIAS;
+
+	for (pos = 0; ; pos++) {
+		pos = fnb(block->alias_map, LOGFS_BLOCK_FACTOR, pos);
+		if (pos >= LOGFS_BLOCK_FACTOR)
+			break;
+
+		item = mempool_alloc(super->s_alias_pool, GFP_NOFS);
+		BUG_ON(!item); /* mempool empty */
+		memset(item, 0, sizeof(*item));
+
+		child = kmap_atomic(page, KM_USER0);
+		item->val = child[pos];
+		kunmap_atomic(child, KM_USER0);
+		item->child_no = pos;
+		list_add(&item->list, &block->item_list);
+	}
+	block->page = NULL;
+	ClearPagePrivate(page);
+	page->private = 0;
+	block->ops = &btree_block_ops;
+	err = alias_tree_insert(block->sb, block->ino, block->bix, block->level,
+			block);
+	BUG_ON(err); /* mempool empty */
+	ClearPageUptodate(page);
+}
+
+static int __logfs_segment_read(struct inode *inode, void *buf,
+		u64 ofs, u64 bix, level_t level)
+{
+	struct super_block *sb = inode->i_sb;
+	void *compressor_buf = logfs_super(sb)->s_compressed_je;
+	struct logfs_object_header oh;
+	__be32 crc;
+	u16 len;
+	int err, block_len;
+
+	block_len = obj_len(sb, obj_type(inode, level));
+	err = read_obj_header(sb, ofs, &oh);
+	if (err)
+		goto out_err;
+
+	err = -EIO;
+	if (be64_to_cpu(oh.ino) != inode->i_ino
+			|| check_pos(sb, be64_to_cpu(oh.bix), bix, level)) {
+		printk(KERN_ERR"LOGFS: (ino, bix) don't match at %llx: "
+				"expected (%lx, %llx), got (%llx, %llx)\n",
+				ofs, inode->i_ino, bix,
+				be64_to_cpu(oh.ino), be64_to_cpu(oh.bix));
+		goto out_err;
+	}
+
+	len = be16_to_cpu(oh.len);
+
+	switch (oh.compr) {
+	case COMPR_NONE:
+		err = wbuf_read(sb, ofs + LOGFS_OBJECT_HEADERSIZE, len, buf);
+		if (err)
+			goto out_err;
+		crc = logfs_crc32(buf, len, 0);
+		if (crc != oh.data_crc) {
+			printk(KERN_ERR"LOGFS: uncompressed data crc error at "
+					"%llx: expected %x, got %x\n", ofs,
+					be32_to_cpu(oh.data_crc),
+					be32_to_cpu(crc));
+			goto out_err;
+		}
+		break;
+	case COMPR_ZLIB:
+		mutex_lock(&logfs_super(sb)->s_journal_mutex);
+		err = wbuf_read(sb, ofs + LOGFS_OBJECT_HEADERSIZE, len,
+				compressor_buf);
+		if (err) {
+			mutex_unlock(&logfs_super(sb)->s_journal_mutex);
+			goto out_err;
+		}
+		crc = logfs_crc32(compressor_buf, len, 0);
+		if (crc != oh.data_crc) {
+			printk(KERN_ERR"LOGFS: compressed data crc error at "
+					"%llx: expected %x, got %x\n", ofs,
+					be32_to_cpu(oh.data_crc),
+					be32_to_cpu(crc));
+			mutex_unlock(&logfs_super(sb)->s_journal_mutex);
+			goto out_err;
+		}
+		err = logfs_uncompress(compressor_buf, buf, len, block_len);
+		mutex_unlock(&logfs_super(sb)->s_journal_mutex);
+		if (err) {
+			printk(KERN_ERR"LOGFS: uncompress error at %llx\n", ofs);
+			goto out_err;
+		}
+		break;
+	default:
+		LOGFS_BUG(sb);
+		err = -EIO;
+		goto out_err;
+	}
+	return 0;
+
+out_err:
+	logfs_set_ro(sb);
+	printk(KERN_ERR"LOGFS: device is read-only now\n");
+	LOGFS_BUG(sb);
+	return err;
+}
+
+/**
+ * logfs_segment_read - read data block from object store
+ * @inode:		inode containing data
+ * @buf:		data buffer
+ * @ofs:		physical data offset
+ * @bix:		block index
+ * @level:		block level
+ *
+ * Returns 0 on success or a negative errno.
+ */
+int logfs_segment_read(struct inode *inode, struct page *page,
+		u64 ofs, u64 bix, level_t level)
+{
+	int err;
+	void *buf;
+
+	if (PageUptodate(page))
+		return 0;
+
+	ofs &= ~LOGFS_FULLY_POPULATED;
+
+	buf = kmap(page);
+	err = __logfs_segment_read(inode, buf, ofs, bix, level);
+	if (!err) {
+		move_btree_to_page(inode, page, buf);
+		SetPageUptodate(page);
+	}
+	kunmap(page);
+	log_segment("logfs_segment_read(%lx, %llx, %x) %llx (%d)\n",
+			inode->i_ino, bix, level, ofs, err);
+	return err;
+}
+
+int logfs_segment_delete(struct inode *inode, struct logfs_shadow *shadow)
+{
+	struct super_block *sb = inode->i_sb;
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_object_header h;
+	u16 len;
+	int err;
+
+	super->s_flags |= LOGFS_SB_FLAG_DIRTY;
+	BUG_ON(super->s_flags & LOGFS_SB_FLAG_SHUTDOWN);
+	BUG_ON(shadow->old_ofs & LOGFS_FULLY_POPULATED);
+	if (!shadow->old_ofs)
+		return 0;
+
+	log_segment("logfs_segment_delete(%llx, %llx, %x) %llx->%llx %x->%x\n",
+			shadow->ino, shadow->bix, shadow->gc_level,
+			shadow->old_ofs, shadow->new_ofs,
+			shadow->old_len, shadow->new_len);
+	err = read_obj_header(sb, shadow->old_ofs, &h);
+	LOGFS_BUG_ON(err, sb);
+	LOGFS_BUG_ON(be64_to_cpu(h.ino) != inode->i_ino, sb);
+	LOGFS_BUG_ON(check_pos(sb, shadow->bix, be64_to_cpu(h.bix),
+				shrink_level(shadow->gc_level)), sb);
+
+	if (shadow->gc_level == 0)
+		len = be16_to_cpu(h.len);
+	else
+		len = obj_len(sb, h.type);
+	shadow->old_len = len + sizeof(h);
+	return 0;
+}
+
+void freeseg(struct super_block *sb, u32 segno)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct address_space *mapping = super->s_mapping_inode->i_mapping;
+	struct page *page;
+	u64 ofs, start, end;
+
+	start = dev_ofs(sb, segno, 0);
+	end = dev_ofs(sb, segno + 1, 0);
+	for (ofs = start; ofs < end; ofs += PAGE_SIZE) {
+		page = find_get_page(mapping, ofs >> PAGE_SHIFT);
+		if (!page)
+			continue;
+		ClearPagePrivate(page);
+		page_cache_release(page);
+	}
+}
+
+int logfs_open_area(struct logfs_area *area, size_t bytes)
+{
+	struct super_block *sb = area->a_sb;
+	struct logfs_super *super = logfs_super(sb);
+	int err, closed = 0;
+
+	if (area->a_is_open && area->a_used_bytes + bytes <= super->s_segsize)
+		return 0;
+
+	if (area->a_is_open) {
+		u64 ofs = dev_ofs(sb, area->a_segno, area->a_written_bytes);
+		u32 len = super->s_segsize - area->a_written_bytes;
+
+		log_gc("logfs_close_area(%x)\n", area->a_segno);
+		pad_wbuf(area, 1);
+		super->s_devops->writeseg(area->a_sb, ofs, len);
+		freeseg(sb, area->a_segno);
+		closed = 1;
+	}
+
+	area->a_used_bytes = 0;
+	area->a_written_bytes = 0;
+again:
+	area->a_ops->get_free_segment(area);
+	area->a_ops->get_erase_count(area);
+
+	log_gc("logfs_open_area(%x, %x)\n", area->a_segno, area->a_level);
+	err = area->a_ops->erase_segment(area);
+	if (err) {
+		printk(KERN_WARNING "LogFS: Error erasing segment %x\n",
+				area->a_segno);
+		logfs_mark_segment_bad(sb, area->a_segno);
+		goto again;
+	}
+	area->a_is_open = 1;
+	return closed;
+}
+
+void logfs_sync_area(struct logfs_area *area)
+{
+	struct super_block *sb = area->a_sb;
+	struct logfs_super *super = logfs_super(sb);
+	u64 ofs = dev_ofs(sb, area->a_segno, area->a_written_bytes);
+	u32 len = (area->a_used_bytes - area->a_written_bytes);
+
+	if (super->s_writesize)
+		len &= ~(super->s_writesize - 1);
+	if (len == 0)
+		return;
+	pad_wbuf(area, 0);
+	super->s_devops->writeseg(sb, ofs, len);
+	area->a_written_bytes += len;
+}
+
+void logfs_sync_segments(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	int i;
+
+	for_each_area(i)
+		logfs_sync_area(super->s_area[i]);
+}
+
+/*
+ * Pick a free segment to be used for this area.  Effectively takes a
+ * candidate from the free list (not really a candidate anymore).
+ */
+static void ostore_get_free_segment(struct logfs_area *area)
+{
+	struct super_block *sb = area->a_sb;
+	struct logfs_super *super = logfs_super(sb);
+
+	if (super->s_free_list.count == 0) {
+		printk(KERN_ERR"LOGFS: ran out of free segments\n");
+		LOGFS_BUG(sb);
+	}
+
+	area->a_segno = get_best_cand(sb, &super->s_free_list, NULL);
+}
+
+static void ostore_get_erase_count(struct logfs_area *area)
+{
+	struct logfs_segment_entry se;
+	u32 ec_level;
+
+	logfs_get_segment_entry(area->a_sb, area->a_segno, &se);
+	BUG_ON(se.ec_level == cpu_to_be32(BADSEG) ||
+			se.valid == cpu_to_be32(RESERVED));
+
+	ec_level = be32_to_cpu(se.ec_level);
+	area->a_erase_count = (ec_level >> 4) + 1;
+}
+
+static int ostore_erase_segment(struct logfs_area *area)
+{
+	struct super_block *sb = area->a_sb;
+	struct logfs_segment_header sh;
+	u64 ofs;
+	int err;
+
+	err = logfs_erase_segment(sb, area->a_segno, 0);
+	if (err)
+		return err;
+
+	sh.pad = 0;
+	sh.type = SEG_OSTORE;
+	sh.level = (__force u8)area->a_level;
+	sh.segno = cpu_to_be32(area->a_segno);
+	sh.ec = cpu_to_be32(area->a_erase_count);
+	sh.gec = cpu_to_be64(logfs_super(sb)->s_gec);
+	sh.crc = logfs_crc32(&sh, sizeof(sh), 4);
+
+	logfs_set_segment_erased(sb, area->a_segno, area->a_erase_count,
+			area->a_level);
+
+	ofs = dev_ofs(sb, area->a_segno, 0);
+	area->a_used_bytes = sizeof(sh);
+	logfs_buf_write(area, ofs, &sh, sizeof(sh));
+	return 0;
+}
+
+static const struct logfs_area_ops ostore_area_ops = {
+	.get_free_segment	= ostore_get_free_segment,
+	.get_erase_count	= ostore_get_erase_count,
+	.erase_segment		= ostore_erase_segment,
+};
+
+static void free_area(struct logfs_area *area)
+{
+	if (area)
+		freeseg(area->a_sb, area->a_segno);
+	kfree(area);
+}
+
+static struct logfs_area *alloc_area(struct super_block *sb)
+{
+	struct logfs_area *area;
+
+	area = kzalloc(sizeof(*area), GFP_KERNEL);
+	if (!area)
+		return NULL;
+
+	area->a_sb = sb;
+	return area;
+}
+
+static void map_invalidatepage(struct page *page, unsigned long l)
+{
+	BUG();
+}
+
+static int map_releasepage(struct page *page, gfp_t g)
+{
+	/* Don't release these pages */
+	return 0;
+}
+
+static const struct address_space_operations mapping_aops = {
+	.invalidatepage = map_invalidatepage,
+	.releasepage	= map_releasepage,
+	.set_page_dirty = __set_page_dirty_nobuffers,
+};
+
+int logfs_init_mapping(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct address_space *mapping;
+	struct inode *inode;
+
+	inode = logfs_new_meta_inode(sb, LOGFS_INO_MAPPING);
+	if (IS_ERR(inode))
+		return PTR_ERR(inode);
+	super->s_mapping_inode = inode;
+	mapping = inode->i_mapping;
+	mapping->a_ops = &mapping_aops;
+	/* Would it be possible to use __GFP_HIGHMEM as well? */
+	mapping_set_gfp_mask(mapping, GFP_NOFS);
+	return 0;
+}
+
+int logfs_init_areas(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	int i = -1;
+
+	super->s_alias_pool = mempool_create_kmalloc_pool(600,
+			sizeof(struct object_alias_item));
+	if (!super->s_alias_pool)
+		return -ENOMEM;
+
+	super->s_journal_area = alloc_area(sb);
+	if (!super->s_journal_area)
+		goto err;
+
+	for_each_area(i) {
+		super->s_area[i] = alloc_area(sb);
+		if (!super->s_area[i])
+			goto err;
+		super->s_area[i]->a_level = GC_LEVEL(i);
+		super->s_area[i]->a_ops = &ostore_area_ops;
+	}
+	btree_init_mempool128(&super->s_object_alias_tree,
+			super->s_btree_pool);
+	return 0;
+
+err:
+	for (i--; i >= 0; i--)
+		free_area(super->s_area[i]);
+	free_area(super->s_journal_area);
+	mempool_destroy(super->s_alias_pool);
+	return -ENOMEM;
+}
+
+void logfs_cleanup_areas(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	int i;
+
+	btree_grim_visitor128(&super->s_object_alias_tree, 0, kill_alias);
+	for_each_area(i)
+		free_area(super->s_area[i]);
+	free_area(super->s_journal_area);
+	destroy_meta_inode(super->s_mapping_inode);
+}
diff --git a/fs/logfs/super.c b/fs/logfs/super.c
new file mode 100644
index 000000000000..9d856c49afc5
--- /dev/null
+++ b/fs/logfs/super.c
@@ -0,0 +1,649 @@
+/*
+ * fs/logfs/super.c
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2005-2008 Joern Engel <joern@logfs.org>
+ *
+ * Generally contains mount/umount code and also serves as a dump area for
+ * any functions that don't fit elsewhere and neither justify a file of their
+ * own.
+ */
+#include "logfs.h"
+#include <linux/bio.h>
+#include <linux/mtd/mtd.h>
+#include <linux/statfs.h>
+#include <linux/buffer_head.h>
+
+static DEFINE_MUTEX(emergency_mutex);
+static struct page *emergency_page;
+
+struct page *emergency_read_begin(struct address_space *mapping, pgoff_t index)
+{
+	filler_t *filler = (filler_t *)mapping->a_ops->readpage;
+	struct page *page;
+	int err;
+
+	page = read_cache_page(mapping, index, filler, NULL);
+	if (page)
+		return page;
+
+	/* No more pages available, switch to emergency page */
+	printk(KERN_INFO"Logfs: Using emergency page\n");
+	mutex_lock(&emergency_mutex);
+	err = filler(NULL, emergency_page);
+	if (err) {
+		mutex_unlock(&emergency_mutex);
+		printk(KERN_EMERG"Logfs: Error reading emergency page\n");
+		return ERR_PTR(err);
+	}
+	return emergency_page;
+}
+
+void emergency_read_end(struct page *page)
+{
+	if (page == emergency_page)
+		mutex_unlock(&emergency_mutex);
+	else
+		page_cache_release(page);
+}
+
+static void dump_segfile(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_segment_entry se;
+	u32 segno;
+
+	for (segno = 0; segno < super->s_no_segs; segno++) {
+		logfs_get_segment_entry(sb, segno, &se);
+		printk("%3x: %6x %8x", segno, be32_to_cpu(se.ec_level),
+				be32_to_cpu(se.valid));
+		if (++segno < super->s_no_segs) {
+			logfs_get_segment_entry(sb, segno, &se);
+			printk(" %6x %8x", be32_to_cpu(se.ec_level),
+					be32_to_cpu(se.valid));
+		}
+		if (++segno < super->s_no_segs) {
+			logfs_get_segment_entry(sb, segno, &se);
+			printk(" %6x %8x", be32_to_cpu(se.ec_level),
+					be32_to_cpu(se.valid));
+		}
+		if (++segno < super->s_no_segs) {
+			logfs_get_segment_entry(sb, segno, &se);
+			printk(" %6x %8x", be32_to_cpu(se.ec_level),
+					be32_to_cpu(se.valid));
+		}
+		printk("\n");
+	}
+}
+
+/*
+ * logfs_crash_dump - dump debug information to device
+ *
+ * The LogFS superblock only occupies part of a segment.  This function will
+ * write as much debug information as it can gather into the spare space.
+ */
+void logfs_crash_dump(struct super_block *sb)
+{
+	dump_segfile(sb);
+}
+
+/*
+ * TODO: move to lib/string.c
+ */
+/**
+ * memchr_inv - Find a character in an area of memory.
+ * @s: The memory area
+ * @c: The byte to search for
+ * @n: The size of the area.
+ *
+ * returns the address of the first character other than @c, or %NULL
+ * if the whole buffer contains just @c.
+ */
+void *memchr_inv(const void *s, int c, size_t n)
+{
+	const unsigned char *p = s;
+	while (n-- != 0)
+		if ((unsigned char)c != *p++)
+			return (void *)(p - 1);
+
+	return NULL;
+}
+
+/*
+ * FIXME: There should be a reserve for root, similar to ext2.
+ */
+int logfs_statfs(struct dentry *dentry, struct kstatfs *stats)
+{
+	struct super_block *sb = dentry->d_sb;
+	struct logfs_super *super = logfs_super(sb);
+
+	stats->f_type		= LOGFS_MAGIC_U32;
+	stats->f_bsize		= sb->s_blocksize;
+	stats->f_blocks		= super->s_size >> LOGFS_BLOCK_BITS >> 3;
+	stats->f_bfree		= super->s_free_bytes >> sb->s_blocksize_bits;
+	stats->f_bavail		= super->s_free_bytes >> sb->s_blocksize_bits;
+	stats->f_files		= 0;
+	stats->f_ffree		= 0;
+	stats->f_namelen	= LOGFS_MAX_NAMELEN;
+	return 0;
+}
+
+static int logfs_sb_set(struct super_block *sb, void *_super)
+{
+	struct logfs_super *super = _super;
+
+	sb->s_fs_info = super;
+	sb->s_mtd = super->s_mtd;
+	sb->s_bdev = super->s_bdev;
+	return 0;
+}
+
+static int logfs_sb_test(struct super_block *sb, void *_super)
+{
+	struct logfs_super *super = _super;
+	struct mtd_info *mtd = super->s_mtd;
+
+	if (mtd && sb->s_mtd == mtd)
+		return 1;
+	if (super->s_bdev && sb->s_bdev == super->s_bdev)
+		return 1;
+	return 0;
+}
+
+static void set_segment_header(struct logfs_segment_header *sh, u8 type,
+		u8 level, u32 segno, u32 ec)
+{
+	sh->pad = 0;
+	sh->type = type;
+	sh->level = level;
+	sh->segno = cpu_to_be32(segno);
+	sh->ec = cpu_to_be32(ec);
+	sh->gec = cpu_to_be64(segno);
+	sh->crc = logfs_crc32(sh, LOGFS_SEGMENT_HEADERSIZE, 4);
+}
+
+static void logfs_write_ds(struct super_block *sb, struct logfs_disk_super *ds,
+		u32 segno, u32 ec)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_segment_header *sh = &ds->ds_sh;
+	int i;
+
+	memset(ds, 0, sizeof(*ds));
+	set_segment_header(sh, SEG_SUPER, 0, segno, ec);
+
+	ds->ds_ifile_levels	= super->s_ifile_levels;
+	ds->ds_iblock_levels	= super->s_iblock_levels;
+	ds->ds_data_levels	= super->s_data_levels; /* XXX: Remove */
+	ds->ds_segment_shift	= super->s_segshift;
+	ds->ds_block_shift	= sb->s_blocksize_bits;
+	ds->ds_write_shift	= super->s_writeshift;
+	ds->ds_filesystem_size	= cpu_to_be64(super->s_size);
+	ds->ds_segment_size	= cpu_to_be32(super->s_segsize);
+	ds->ds_bad_seg_reserve	= cpu_to_be32(super->s_bad_seg_reserve);
+	ds->ds_feature_incompat	= cpu_to_be64(super->s_feature_incompat);
+	ds->ds_feature_ro_compat= cpu_to_be64(super->s_feature_ro_compat);
+	ds->ds_feature_compat	= cpu_to_be64(super->s_feature_compat);
+	ds->ds_feature_flags	= cpu_to_be64(super->s_feature_flags);
+	ds->ds_root_reserve	= cpu_to_be64(super->s_root_reserve);
+	ds->ds_speed_reserve	= cpu_to_be64(super->s_speed_reserve);
+	journal_for_each(i)
+		ds->ds_journal_seg[i] = cpu_to_be32(super->s_journal_seg[i]);
+	ds->ds_magic		= cpu_to_be64(LOGFS_MAGIC);
+	ds->ds_crc = logfs_crc32(ds, sizeof(*ds),
+			LOGFS_SEGMENT_HEADERSIZE + 12);
+}
+
+static int write_one_sb(struct super_block *sb,
+		struct page *(*find_sb)(struct super_block *sb, u64 *ofs))
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_disk_super *ds;
+	struct logfs_segment_entry se;
+	struct page *page;
+	u64 ofs;
+	u32 ec, segno;
+	int err;
+
+	page = find_sb(sb, &ofs);
+	if (!page)
+		return -EIO;
+	ds = page_address(page);
+	segno = seg_no(sb, ofs);
+	logfs_get_segment_entry(sb, segno, &se);
+	ec = be32_to_cpu(se.ec_level) >> 4;
+	ec++;
+	logfs_set_segment_erased(sb, segno, ec, 0);
+	logfs_write_ds(sb, ds, segno, ec);
+	err = super->s_devops->write_sb(sb, page);
+	page_cache_release(page);
+	return err;
+}
+
+int logfs_write_sb(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	int err;
+
+	/* First superblock */
+	err = write_one_sb(sb, super->s_devops->find_first_sb);
+	if (err)
+		return err;
+
+	/* Last superblock */
+	err = write_one_sb(sb, super->s_devops->find_last_sb);
+	if (err)
+		return err;
+	return 0;
+}
+
+static int ds_cmp(const void *ds0, const void *ds1)
+{
+	size_t len = sizeof(struct logfs_disk_super);
+
+	/* We know the segment headers differ, so ignore them */
+	len -= LOGFS_SEGMENT_HEADERSIZE;
+	ds0 += LOGFS_SEGMENT_HEADERSIZE;
+	ds1 += LOGFS_SEGMENT_HEADERSIZE;
+	return memcmp(ds0, ds1, len);
+}
+
+static int logfs_recover_sb(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct logfs_disk_super _ds0, *ds0 = &_ds0;
+	struct logfs_disk_super _ds1, *ds1 = &_ds1;
+	int err, valid0, valid1;
+
+	/* read first superblock */
+	err = wbuf_read(sb, super->s_sb_ofs[0], sizeof(*ds0), ds0);
+	if (err)
+		return err;
+	/* read last superblock */
+	err = wbuf_read(sb, super->s_sb_ofs[1], sizeof(*ds1), ds1);
+	if (err)
+		return err;
+	valid0 = logfs_check_ds(ds0) == 0;
+	valid1 = logfs_check_ds(ds1) == 0;
+
+	if (!valid0 && valid1) {
+		printk(KERN_INFO"First superblock is invalid - fixing.\n");
+		return write_one_sb(sb, super->s_devops->find_first_sb);
+	}
+	if (valid0 && !valid1) {
+		printk(KERN_INFO"Last superblock is invalid - fixing.\n");
+		return write_one_sb(sb, super->s_devops->find_last_sb);
+	}
+	if (valid0 && valid1 && ds_cmp(ds0, ds1)) {
+		printk(KERN_INFO"Superblocks don't match - fixing.\n");
+		return logfs_write_sb(sb);
+	}
+	/* If neither is valid now, something's wrong.  Didn't we properly
+	 * check them before?!? */
+	BUG_ON(!valid0 && !valid1);
+	return 0;
+}
+
+static int logfs_make_writeable(struct super_block *sb)
+{
+	int err;
+
+	err = logfs_open_segfile(sb);
+	if (err)
+		return err;
+
+	/* Repair any broken superblock copies */
+	err = logfs_recover_sb(sb);
+	if (err)
+		return err;
+
+	/* Check areas for trailing unaccounted data */
+	err = logfs_check_areas(sb);
+	if (err)
+		return err;
+
+	/* Do one GC pass before any data gets dirtied */
+	logfs_gc_pass(sb);
+
+	/* after all initializations are done, replay the journal
+	 * for rw-mounts, if necessary */
+	err = logfs_replay_journal(sb);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+static int logfs_get_sb_final(struct super_block *sb, struct vfsmount *mnt)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct inode *rootdir;
+	int err;
+
+	/* root dir */
+	rootdir = logfs_iget(sb, LOGFS_INO_ROOT);
+	if (IS_ERR(rootdir))
+		goto fail;
+
+	sb->s_root = d_alloc_root(rootdir);
+	if (!sb->s_root)
+		goto fail2;
+
+	super->s_erase_page = alloc_pages(GFP_KERNEL, 0);
+	if (!super->s_erase_page)
+		goto fail2;
+	memset(page_address(super->s_erase_page), 0xFF, PAGE_SIZE);
+
+	/* FIXME: check for read-only mounts */
+	err = logfs_make_writeable(sb);
+	if (err)
+		goto fail3;
+
+	log_super("LogFS: Finished mounting\n");
+	simple_set_mnt(mnt, sb);
+	return 0;
+
+fail3:
+	__free_page(super->s_erase_page);
+fail2:
+	iput(rootdir);
+fail:
+	iput(logfs_super(sb)->s_master_inode);
+	return -EIO;
+}
+
+int logfs_check_ds(struct logfs_disk_super *ds)
+{
+	struct logfs_segment_header *sh = &ds->ds_sh;
+
+	if (ds->ds_magic != cpu_to_be64(LOGFS_MAGIC))
+		return -EINVAL;
+	if (sh->crc != logfs_crc32(sh, LOGFS_SEGMENT_HEADERSIZE, 4))
+		return -EINVAL;
+	if (ds->ds_crc != logfs_crc32(ds, sizeof(*ds),
+				LOGFS_SEGMENT_HEADERSIZE + 12))
+		return -EINVAL;
+	return 0;
+}
+
+static struct page *find_super_block(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct page *first, *last;
+
+	first = super->s_devops->find_first_sb(sb, &super->s_sb_ofs[0]);
+	if (!first || IS_ERR(first))
+		return NULL;
+	last = super->s_devops->find_last_sb(sb, &super->s_sb_ofs[1]);
+	if (!last || IS_ERR(first)) {
+		page_cache_release(first);
+		return NULL;
+	}
+
+	if (!logfs_check_ds(page_address(first))) {
+		page_cache_release(last);
+		return first;
+	}
+
+	/* First one didn't work, try the second superblock */
+	if (!logfs_check_ds(page_address(last))) {
+		page_cache_release(first);
+		return last;
+	}
+
+	/* Neither worked, sorry folks */
+	page_cache_release(first);
+	page_cache_release(last);
+	return NULL;
+}
+
+static int __logfs_read_sb(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+	struct page *page;
+	struct logfs_disk_super *ds;
+	int i;
+
+	page = find_super_block(sb);
+	if (!page)
+		return -EIO;
+
+	ds = page_address(page);
+	super->s_size = be64_to_cpu(ds->ds_filesystem_size);
+	super->s_root_reserve = be64_to_cpu(ds->ds_root_reserve);
+	super->s_speed_reserve = be64_to_cpu(ds->ds_speed_reserve);
+	super->s_bad_seg_reserve = be32_to_cpu(ds->ds_bad_seg_reserve);
+	super->s_segsize = 1 << ds->ds_segment_shift;
+	super->s_segmask = (1 << ds->ds_segment_shift) - 1;
+	super->s_segshift = ds->ds_segment_shift;
+	sb->s_blocksize = 1 << ds->ds_block_shift;
+	sb->s_blocksize_bits = ds->ds_block_shift;
+	super->s_writesize = 1 << ds->ds_write_shift;
+	super->s_writeshift = ds->ds_write_shift;
+	super->s_no_segs = super->s_size >> super->s_segshift;
+	super->s_no_blocks = super->s_segsize >> sb->s_blocksize_bits;
+	super->s_feature_incompat = be64_to_cpu(ds->ds_feature_incompat);
+	super->s_feature_ro_compat = be64_to_cpu(ds->ds_feature_ro_compat);
+	super->s_feature_compat = be64_to_cpu(ds->ds_feature_compat);
+	super->s_feature_flags = be64_to_cpu(ds->ds_feature_flags);
+
+	journal_for_each(i)
+		super->s_journal_seg[i] = be32_to_cpu(ds->ds_journal_seg[i]);
+
+	super->s_ifile_levels = ds->ds_ifile_levels;
+	super->s_iblock_levels = ds->ds_iblock_levels;
+	super->s_data_levels = ds->ds_data_levels;
+	super->s_total_levels = super->s_ifile_levels + super->s_iblock_levels
+		+ super->s_data_levels;
+	page_cache_release(page);
+	return 0;
+}
+
+static int logfs_read_sb(struct super_block *sb, int read_only)
+{
+	struct logfs_super *super = logfs_super(sb);
+	int ret;
+
+	super->s_btree_pool = mempool_create(32, btree_alloc, btree_free, NULL);
+	if (!super->s_btree_pool)
+		return -ENOMEM;
+
+	btree_init_mempool64(&super->s_shadow_tree.new, super->s_btree_pool);
+	btree_init_mempool64(&super->s_shadow_tree.old, super->s_btree_pool);
+
+	ret = logfs_init_mapping(sb);
+	if (ret)
+		return ret;
+
+	ret = __logfs_read_sb(sb);
+	if (ret)
+		return ret;
+
+	if (super->s_feature_incompat & ~LOGFS_FEATURES_INCOMPAT)
+		return -EIO;
+	if ((super->s_feature_ro_compat & ~LOGFS_FEATURES_RO_COMPAT) &&
+			!read_only)
+		return -EIO;
+
+	mutex_init(&super->s_dirop_mutex);
+	mutex_init(&super->s_object_alias_mutex);
+	INIT_LIST_HEAD(&super->s_freeing_list);
+
+	ret = logfs_init_rw(sb);
+	if (ret)
+		return ret;
+
+	ret = logfs_init_areas(sb);
+	if (ret)
+		return ret;
+
+	ret = logfs_init_gc(sb);
+	if (ret)
+		return ret;
+
+	ret = logfs_init_journal(sb);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static void logfs_kill_sb(struct super_block *sb)
+{
+	struct logfs_super *super = logfs_super(sb);
+
+	log_super("LogFS: Start unmounting\n");
+	/* Alias entries slow down mount, so evict as many as possible */
+	sync_filesystem(sb);
+	logfs_write_anchor(sb);
+
+	/*
+	 * From this point on alias entries are simply dropped - and any
+	 * writes to the object store are considered bugs.
+	 */
+	super->s_flags |= LOGFS_SB_FLAG_SHUTDOWN;
+	log_super("LogFS: Now in shutdown\n");
+	generic_shutdown_super(sb);
+
+	BUG_ON(super->s_dirty_used_bytes || super->s_dirty_free_bytes);
+
+	logfs_cleanup_gc(sb);
+	logfs_cleanup_journal(sb);
+	logfs_cleanup_areas(sb);
+	logfs_cleanup_rw(sb);
+	if (super->s_erase_page)
+		__free_page(super->s_erase_page);
+	super->s_devops->put_device(sb);
+	mempool_destroy(super->s_btree_pool);
+	mempool_destroy(super->s_alias_pool);
+	kfree(super);
+	log_super("LogFS: Finished unmounting\n");
+}
+
+int logfs_get_sb_device(struct file_system_type *type, int flags,
+		struct mtd_info *mtd, struct block_device *bdev,
+		const struct logfs_device_ops *devops, struct vfsmount *mnt)
+{
+	struct logfs_super *super;
+	struct super_block *sb;
+	int err = -ENOMEM;
+	static int mount_count;
+
+	log_super("LogFS: Start mount %x\n", mount_count++);
+	super = kzalloc(sizeof(*super), GFP_KERNEL);
+	if (!super)
+		goto err0;
+
+	super->s_mtd	= mtd;
+	super->s_bdev	= bdev;
+	err = -EINVAL;
+	sb = sget(type, logfs_sb_test, logfs_sb_set, super);
+	if (IS_ERR(sb))
+		goto err0;
+
+	if (sb->s_root) {
+		/* Device is already in use */
+		err = 0;
+		simple_set_mnt(mnt, sb);
+		goto err0;
+	}
+
+	super->s_devops = devops;
+
+	/*
+	 * sb->s_maxbytes is limited to 8TB.  On 32bit systems, the page cache
+	 * only covers 16TB and the upper 8TB are used for indirect blocks.
+	 * On 64bit system we could bump up the limit, but that would make
+	 * the filesystem incompatible with 32bit systems.
+	 */
+	sb->s_maxbytes	= (1ull << 43) - 1;
+	sb->s_op	= &logfs_super_operations;
+	sb->s_flags	= flags | MS_NOATIME;
+
+	err = logfs_read_sb(sb, sb->s_flags & MS_RDONLY);
+	if (err)
+		goto err1;
+
+	sb->s_flags |= MS_ACTIVE;
+	err = logfs_get_sb_final(sb, mnt);
+	if (err)
+		goto err1;
+	return 0;
+
+err1:
+	deactivate_locked_super(sb);
+	return err;
+err0:
+	kfree(super);
+	//devops->put_device(sb);
+	return err;
+}
+
+static int logfs_get_sb(struct file_system_type *type, int flags,
+		const char *devname, void *data, struct vfsmount *mnt)
+{
+	ulong mtdnr;
+
+	if (!devname)
+		return logfs_get_sb_bdev(type, flags, devname, mnt);
+	if (strncmp(devname, "mtd", 3))
+		return logfs_get_sb_bdev(type, flags, devname, mnt);
+
+	{
+		char *garbage;
+		mtdnr = simple_strtoul(devname+3, &garbage, 0);
+		if (*garbage)
+			return -EINVAL;
+	}
+
+	return logfs_get_sb_mtd(type, flags, mtdnr, mnt);
+}
+
+static struct file_system_type logfs_fs_type = {
+	.owner		= THIS_MODULE,
+	.name		= "logfs",
+	.get_sb		= logfs_get_sb,
+	.kill_sb	= logfs_kill_sb,
+	.fs_flags	= FS_REQUIRES_DEV,
+
+};
+
+static int __init logfs_init(void)
+{
+	int ret;
+
+	emergency_page = alloc_pages(GFP_KERNEL, 0);
+	if (!emergency_page)
+		return -ENOMEM;
+
+	ret = logfs_compr_init();
+	if (ret)
+		goto out1;
+
+	ret = logfs_init_inode_cache();
+	if (ret)
+		goto out2;
+
+	return register_filesystem(&logfs_fs_type);
+out2:
+	logfs_compr_exit();
+out1:
+	__free_pages(emergency_page, 0);
+	return ret;
+}
+
+static void __exit logfs_exit(void)
+{
+	unregister_filesystem(&logfs_fs_type);
+	logfs_destroy_inode_cache();
+	logfs_compr_exit();
+	__free_pages(emergency_page, 0);
+}
+
+module_init(logfs_init);
+module_exit(logfs_exit);
+
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Joern Engel <joern@logfs.org>");
+MODULE_DESCRIPTION("scalable flash filesystem");
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
index 74ea82d72164..756f8c93780c 100644
--- a/fs/minix/inode.c
+++ b/fs/minix/inode.c
@@ -17,8 +17,10 @@
 #include <linux/init.h>
 #include <linux/highuid.h>
 #include <linux/vfs.h>
+#include <linux/writeback.h>
 
-static int minix_write_inode(struct inode * inode, int wait);
+static int minix_write_inode(struct inode *inode,
+		struct writeback_control *wbc);
 static int minix_statfs(struct dentry *dentry, struct kstatfs *buf);
 static int minix_remount (struct super_block * sb, int * flags, char * data);
 
@@ -552,7 +554,7 @@ static struct buffer_head * V2_minix_update_inode(struct inode * inode)
 	return bh;
 }
 
-static int minix_write_inode(struct inode *inode, int wait)
+static int minix_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	int err = 0;
 	struct buffer_head *bh;
@@ -563,7 +565,7 @@ static int minix_write_inode(struct inode *inode, int wait)
 		bh = V2_minix_update_inode(inode);
 	if (!bh)
 		return -EIO;
-	if (wait && buffer_dirty(bh)) {
+	if (wbc->sync_mode == WB_SYNC_ALL && buffer_dirty(bh)) {
 		sync_dirty_buffer(bh);
 		if (buffer_req(bh) && !buffer_uptodate(bh)) {
 			printk("IO error syncing minix inode [%s:%08lx]\n",
diff --git a/fs/mpage.c b/fs/mpage.c
index 42381bd6543b..598d54e200eb 100644
--- a/fs/mpage.c
+++ b/fs/mpage.c
@@ -561,7 +561,7 @@ page_is_mapped:
 	if (page->index >= end_index) {
 		/*
 		 * The page straddles i_size.  It must be zeroed out on each
-		 * and every writepage invokation because it may be mmapped.
+		 * and every writepage invocation because it may be mmapped.
 		 * "A file is mapped in multiples of the page size.  For a file
 		 * that is not a multiple of the page size, the remaining memory
 		 * is zeroed when mapped, and writes to that region are not
diff --git a/fs/namei.c b/fs/namei.c
index a4855af776a8..a7dce91a7e42 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -19,7 +19,6 @@
 #include <linux/slab.h>
 #include <linux/fs.h>
 #include <linux/namei.h>
-#include <linux/quotaops.h>
 #include <linux/pagemap.h>
 #include <linux/fsnotify.h>
 #include <linux/personality.h>
@@ -498,8 +497,6 @@ static int link_path_walk(const char *, struct nameidata *);
 
 static __always_inline int __vfs_follow_link(struct nameidata *nd, const char *link)
 {
-	int res = 0;
-	char *name;
 	if (IS_ERR(link))
 		goto fail;
 
@@ -510,22 +507,7 @@ static __always_inline int __vfs_follow_link(struct nameidata *nd, const char *l
 		path_get(&nd->root);
 	}
 
-	res = link_path_walk(link, nd);
-	if (nd->depth || res || nd->last_type!=LAST_NORM)
-		return res;
-	/*
-	 * If it is an iterative symlinks resolution in open_namei() we
-	 * have to copy the last component. And all that crap because of
-	 * bloody create() on broken symlinks. Furrfu...
-	 */
-	name = __getname();
-	if (unlikely(!name)) {
-		path_put(&nd->path);
-		return -ENOMEM;
-	}
-	strcpy(name, nd->last.name);
-	nd->last.name = name;
-	return 0;
+	return link_path_walk(link, nd);
 fail:
 	path_put(&nd->path);
 	return PTR_ERR(link);
@@ -547,10 +529,10 @@ static inline void path_to_nameidata(struct path *path, struct nameidata *nd)
 	nd->path.dentry = path->dentry;
 }
 
-static __always_inline int __do_follow_link(struct path *path, struct nameidata *nd)
+static __always_inline int
+__do_follow_link(struct path *path, struct nameidata *nd, void **p)
 {
 	int error;
-	void *cookie;
 	struct dentry *dentry = path->dentry;
 
 	touch_atime(path->mnt, dentry);
@@ -562,9 +544,9 @@ static __always_inline int __do_follow_link(struct path *path, struct nameidata
 	}
 	mntget(path->mnt);
 	nd->last_type = LAST_BIND;
-	cookie = dentry->d_inode->i_op->follow_link(dentry, nd);
-	error = PTR_ERR(cookie);
-	if (!IS_ERR(cookie)) {
+	*p = dentry->d_inode->i_op->follow_link(dentry, nd);
+	error = PTR_ERR(*p);
+	if (!IS_ERR(*p)) {
 		char *s = nd_get_link(nd);
 		error = 0;
 		if (s)
@@ -574,8 +556,6 @@ static __always_inline int __do_follow_link(struct path *path, struct nameidata
 			if (error)
 				path_put(&nd->path);
 		}
-		if (dentry->d_inode->i_op->put_link)
-			dentry->d_inode->i_op->put_link(dentry, nd, cookie);
 	}
 	return error;
 }
@@ -589,6 +569,7 @@ static __always_inline int __do_follow_link(struct path *path, struct nameidata
  */
 static inline int do_follow_link(struct path *path, struct nameidata *nd)
 {
+	void *cookie;
 	int err = -ELOOP;
 	if (current->link_count >= MAX_NESTED_LINKS)
 		goto loop;
@@ -602,7 +583,9 @@ static inline int do_follow_link(struct path *path, struct nameidata *nd)
 	current->link_count++;
 	current->total_link_count++;
 	nd->depth++;
-	err = __do_follow_link(path, nd);
+	err = __do_follow_link(path, nd, &cookie);
+	if (!IS_ERR(cookie) && path->dentry->d_inode->i_op->put_link)
+		path->dentry->d_inode->i_op->put_link(path->dentry, nd, cookie);
 	path_put(path);
 	current->link_count--;
 	nd->depth--;
@@ -689,33 +672,20 @@ static __always_inline void follow_dotdot(struct nameidata *nd)
 	set_root(nd);
 
 	while(1) {
-		struct vfsmount *parent;
 		struct dentry *old = nd->path.dentry;
 
 		if (nd->path.dentry == nd->root.dentry &&
 		    nd->path.mnt == nd->root.mnt) {
 			break;
 		}
-		spin_lock(&dcache_lock);
 		if (nd->path.dentry != nd->path.mnt->mnt_root) {
-			nd->path.dentry = dget(nd->path.dentry->d_parent);
-			spin_unlock(&dcache_lock);
+			/* rare case of legitimate dget_parent()... */
+			nd->path.dentry = dget_parent(nd->path.dentry);
 			dput(old);
 			break;
 		}
-		spin_unlock(&dcache_lock);
-		spin_lock(&vfsmount_lock);
-		parent = nd->path.mnt->mnt_parent;
-		if (parent == nd->path.mnt) {
-			spin_unlock(&vfsmount_lock);
+		if (!follow_up(&nd->path))
 			break;
-		}
-		mntget(parent);
-		nd->path.dentry = dget(nd->path.mnt->mnt_mountpoint);
-		spin_unlock(&vfsmount_lock);
-		dput(old);
-		mntput(nd->path.mnt);
-		nd->path.mnt = parent;
 	}
 	follow_mount(&nd->path);
 }
@@ -1347,7 +1317,7 @@ static int may_delete(struct inode *dir,struct dentry *victim,int isdir)
 		return -ENOENT;
 
 	BUG_ON(victim->d_parent->d_inode != dir);
-	audit_inode_child(victim->d_name.name, victim, dir);
+	audit_inode_child(victim, dir);
 
 	error = inode_permission(dir, MAY_WRITE | MAY_EXEC);
 	if (error)
@@ -1388,22 +1358,6 @@ static inline int may_create(struct inode *dir, struct dentry *child)
 	return inode_permission(dir, MAY_WRITE | MAY_EXEC);
 }
 
-/* 
- * O_DIRECTORY translates into forcing a directory lookup.
- */
-static inline int lookup_flags(unsigned int f)
-{
-	unsigned long retval = LOOKUP_FOLLOW;
-
-	if (f & O_NOFOLLOW)
-		retval &= ~LOOKUP_FOLLOW;
-	
-	if (f & O_DIRECTORY)
-		retval |= LOOKUP_DIRECTORY;
-
-	return retval;
-}
-
 /*
  * p1 and p2 should be directories on the same fs.
  */
@@ -1461,7 +1415,6 @@ int vfs_create(struct inode *dir, struct dentry *dentry, int mode,
 	error = security_inode_create(dir, dentry, mode);
 	if (error)
 		return error;
-	vfs_dq_init(dir);
 	error = dir->i_op->create(dir, dentry, mode, nd);
 	if (!error)
 		fsnotify_create(dir, dentry);
@@ -1503,7 +1456,7 @@ int may_open(struct path *path, int acc_mode, int flag)
 	 * An append-only file must be opened in append mode for writing.
 	 */
 	if (IS_APPEND(inode)) {
-		if  ((flag & FMODE_WRITE) && !(flag & O_APPEND))
+		if  ((flag & O_ACCMODE) != O_RDONLY && !(flag & O_APPEND))
 			return -EPERM;
 		if (flag & O_TRUNC)
 			return -EPERM;
@@ -1547,7 +1500,7 @@ static int handle_truncate(struct path *path)
  * what get passed to sys_open().
  */
 static int __open_namei_create(struct nameidata *nd, struct path *path,
-				int flag, int mode)
+				int open_flag, int mode)
 {
 	int error;
 	struct dentry *dir = nd->path.dentry;
@@ -1565,7 +1518,7 @@ out_unlock:
 	if (error)
 		return error;
 	/* Don't check for write permission, don't truncate */
-	return may_open(&nd->path, 0, flag & ~O_TRUNC);
+	return may_open(&nd->path, 0, open_flag & ~O_TRUNC);
 }
 
 /*
@@ -1603,129 +1556,133 @@ static int open_will_truncate(int flag, struct inode *inode)
 	return (flag & O_TRUNC);
 }
 
-/*
- * Note that the low bits of the passed in "open_flag"
- * are not the same as in the local variable "flag". See
- * open_to_namei_flags() for more details.
- */
-struct file *do_filp_open(int dfd, const char *pathname,
-		int open_flag, int mode, int acc_mode)
+static struct file *finish_open(struct nameidata *nd,
+				int open_flag, int acc_mode)
 {
 	struct file *filp;
-	struct nameidata nd;
-	int error;
-	struct path path;
-	struct dentry *dir;
-	int count = 0;
 	int will_truncate;
-	int flag = open_to_namei_flags(open_flag);
-	int force_reval = 0;
+	int error;
 
+	will_truncate = open_will_truncate(open_flag, nd->path.dentry->d_inode);
+	if (will_truncate) {
+		error = mnt_want_write(nd->path.mnt);
+		if (error)
+			goto exit;
+	}
+	error = may_open(&nd->path, acc_mode, open_flag);
+	if (error) {
+		if (will_truncate)
+			mnt_drop_write(nd->path.mnt);
+		goto exit;
+	}
+	filp = nameidata_to_filp(nd);
+	if (!IS_ERR(filp)) {
+		error = ima_file_check(filp, acc_mode);
+		if (error) {
+			fput(filp);
+			filp = ERR_PTR(error);
+		}
+	}
+	if (!IS_ERR(filp)) {
+		if (will_truncate) {
+			error = handle_truncate(&nd->path);
+			if (error) {
+				fput(filp);
+				filp = ERR_PTR(error);
+			}
+		}
+	}
 	/*
-	 * O_SYNC is implemented as __O_SYNC|O_DSYNC.  As many places only
-	 * check for O_DSYNC if the need any syncing at all we enforce it's
-	 * always set instead of having to deal with possibly weird behaviour
-	 * for malicious applications setting only __O_SYNC.
+	 * It is now safe to drop the mnt write
+	 * because the filp has had a write taken
+	 * on its behalf.
 	 */
-	if (open_flag & __O_SYNC)
-		open_flag |= O_DSYNC;
-
-	if (!acc_mode)
-		acc_mode = MAY_OPEN | ACC_MODE(open_flag);
+	if (will_truncate)
+		mnt_drop_write(nd->path.mnt);
+	return filp;
 
-	/* O_TRUNC implies we need access checks for write permissions */
-	if (flag & O_TRUNC)
-		acc_mode |= MAY_WRITE;
+exit:
+	if (!IS_ERR(nd->intent.open.file))
+		release_open_intent(nd);
+	path_put(&nd->path);
+	return ERR_PTR(error);
+}
 
-	/* Allow the LSM permission hook to distinguish append 
-	   access from general write access. */
-	if (flag & O_APPEND)
-		acc_mode |= MAY_APPEND;
+static struct file *do_last(struct nameidata *nd, struct path *path,
+			    int open_flag, int acc_mode,
+			    int mode, const char *pathname)
+{
+	struct dentry *dir = nd->path.dentry;
+	struct file *filp;
+	int error = -EISDIR;
 
-	/*
-	 * The simplest case - just a plain lookup.
-	 */
-	if (!(flag & O_CREAT)) {
-		filp = get_empty_filp();
-
-		if (filp == NULL)
-			return ERR_PTR(-ENFILE);
-		nd.intent.open.file = filp;
-		filp->f_flags = open_flag;
-		nd.intent.open.flags = flag;
-		nd.intent.open.create_mode = 0;
-		error = do_path_lookup(dfd, pathname,
-					lookup_flags(flag)|LOOKUP_OPEN, &nd);
-		if (IS_ERR(nd.intent.open.file)) {
-			if (error == 0) {
-				error = PTR_ERR(nd.intent.open.file);
-				path_put(&nd.path);
+	switch (nd->last_type) {
+	case LAST_DOTDOT:
+		follow_dotdot(nd);
+		dir = nd->path.dentry;
+		if (nd->path.mnt->mnt_sb->s_type->fs_flags & FS_REVAL_DOT) {
+			if (!dir->d_op->d_revalidate(dir, nd)) {
+				error = -ESTALE;
+				goto exit;
 			}
-		} else if (error)
-			release_open_intent(&nd);
-		if (error)
-			return ERR_PTR(error);
+		}
+		/* fallthrough */
+	case LAST_DOT:
+	case LAST_ROOT:
+		if (open_flag & O_CREAT)
+			goto exit;
+		/* fallthrough */
+	case LAST_BIND:
+		audit_inode(pathname, dir);
 		goto ok;
 	}
 
-	/*
-	 * Create - we need to know the parent.
-	 */
-reval:
-	error = path_init(dfd, pathname, LOOKUP_PARENT, &nd);
-	if (error)
-		return ERR_PTR(error);
-	if (force_reval)
-		nd.flags |= LOOKUP_REVAL;
-	error = path_walk(pathname, &nd);
-	if (error) {
-		if (nd.root.mnt)
-			path_put(&nd.root);
-		return ERR_PTR(error);
+	/* trailing slashes? */
+	if (nd->last.name[nd->last.len]) {
+		if (open_flag & O_CREAT)
+			goto exit;
+		nd->flags |= LOOKUP_DIRECTORY;
 	}
-	if (unlikely(!audit_dummy_context()))
-		audit_inode(pathname, nd.path.dentry);
 
-	/*
-	 * We have the parent and last component. First of all, check
-	 * that we are not asked to creat(2) an obvious directory - that
-	 * will not do.
-	 */
-	error = -EISDIR;
-	if (nd.last_type != LAST_NORM || nd.last.name[nd.last.len])
-		goto exit_parent;
+	/* just plain open? */
+	if (!(open_flag & O_CREAT)) {
+		error = do_lookup(nd, &nd->last, path);
+		if (error)
+			goto exit;
+		error = -ENOENT;
+		if (!path->dentry->d_inode)
+			goto exit_dput;
+		if (path->dentry->d_inode->i_op->follow_link)
+			return NULL;
+		error = -ENOTDIR;
+		if (nd->flags & LOOKUP_DIRECTORY) {
+			if (!path->dentry->d_inode->i_op->lookup)
+				goto exit_dput;
+		}
+		path_to_nameidata(path, nd);
+		audit_inode(pathname, nd->path.dentry);
+		goto ok;
+	}
 
-	error = -ENFILE;
-	filp = get_empty_filp();
-	if (filp == NULL)
-		goto exit_parent;
-	nd.intent.open.file = filp;
-	filp->f_flags = open_flag;
-	nd.intent.open.flags = flag;
-	nd.intent.open.create_mode = mode;
-	dir = nd.path.dentry;
-	nd.flags &= ~LOOKUP_PARENT;
-	nd.flags |= LOOKUP_CREATE | LOOKUP_OPEN;
-	if (flag & O_EXCL)
-		nd.flags |= LOOKUP_EXCL;
+	/* OK, it's O_CREAT */
 	mutex_lock(&dir->d_inode->i_mutex);
-	path.dentry = lookup_hash(&nd);
-	path.mnt = nd.path.mnt;
 
-do_last:
-	error = PTR_ERR(path.dentry);
-	if (IS_ERR(path.dentry)) {
+	path->dentry = lookup_hash(nd);
+	path->mnt = nd->path.mnt;
+
+	error = PTR_ERR(path->dentry);
+	if (IS_ERR(path->dentry)) {
 		mutex_unlock(&dir->d_inode->i_mutex);
 		goto exit;
 	}
 
-	if (IS_ERR(nd.intent.open.file)) {
-		error = PTR_ERR(nd.intent.open.file);
+	if (IS_ERR(nd->intent.open.file)) {
+		error = PTR_ERR(nd->intent.open.file);
 		goto exit_mutex_unlock;
 	}
 
 	/* Negative dentry, just create the file */
-	if (!path.dentry->d_inode) {
+	if (!path->dentry->d_inode) {
 		/*
 		 * This write is needed to ensure that a
 		 * ro->rw transition does not occur between
@@ -1733,18 +1690,16 @@ do_last:
 		 * a permanent write count is taken through
 		 * the 'struct file' in nameidata_to_filp().
 		 */
-		error = mnt_want_write(nd.path.mnt);
+		error = mnt_want_write(nd->path.mnt);
 		if (error)
 			goto exit_mutex_unlock;
-		error = __open_namei_create(&nd, &path, flag, mode);
+		error = __open_namei_create(nd, path, open_flag, mode);
 		if (error) {
-			mnt_drop_write(nd.path.mnt);
+			mnt_drop_write(nd->path.mnt);
 			goto exit;
 		}
-		filp = nameidata_to_filp(&nd);
-		mnt_drop_write(nd.path.mnt);
-		if (nd.root.mnt)
-			path_put(&nd.root);
+		filp = nameidata_to_filp(nd);
+		mnt_drop_write(nd->path.mnt);
 		if (!IS_ERR(filp)) {
 			error = ima_file_check(filp, acc_mode);
 			if (error) {
@@ -1759,150 +1714,182 @@ do_last:
 	 * It already exists.
 	 */
 	mutex_unlock(&dir->d_inode->i_mutex);
-	audit_inode(pathname, path.dentry);
+	audit_inode(pathname, path->dentry);
 
 	error = -EEXIST;
-	if (flag & O_EXCL)
+	if (open_flag & O_EXCL)
 		goto exit_dput;
 
-	if (__follow_mount(&path)) {
+	if (__follow_mount(path)) {
 		error = -ELOOP;
-		if (flag & O_NOFOLLOW)
+		if (open_flag & O_NOFOLLOW)
 			goto exit_dput;
 	}
 
 	error = -ENOENT;
-	if (!path.dentry->d_inode)
+	if (!path->dentry->d_inode)
 		goto exit_dput;
-	if (path.dentry->d_inode->i_op->follow_link)
-		goto do_link;
 
-	path_to_nameidata(&path, &nd);
+	if (path->dentry->d_inode->i_op->follow_link)
+		return NULL;
+
+	path_to_nameidata(path, nd);
 	error = -EISDIR;
-	if (S_ISDIR(path.dentry->d_inode->i_mode))
+	if (S_ISDIR(path->dentry->d_inode->i_mode))
 		goto exit;
 ok:
+	filp = finish_open(nd, open_flag, acc_mode);
+	return filp;
+
+exit_mutex_unlock:
+	mutex_unlock(&dir->d_inode->i_mutex);
+exit_dput:
+	path_put_conditional(path, nd);
+exit:
+	if (!IS_ERR(nd->intent.open.file))
+		release_open_intent(nd);
+	path_put(&nd->path);
+	return ERR_PTR(error);
+}
+
+/*
+ * Note that the low bits of the passed in "open_flag"
+ * are not the same as in the local variable "flag". See
+ * open_to_namei_flags() for more details.
+ */
+struct file *do_filp_open(int dfd, const char *pathname,
+		int open_flag, int mode, int acc_mode)
+{
+	struct file *filp;
+	struct nameidata nd;
+	int error;
+	struct path path;
+	int count = 0;
+	int flag = open_to_namei_flags(open_flag);
+	int force_reval = 0;
+
+	if (!(open_flag & O_CREAT))
+		mode = 0;
+
 	/*
-	 * Consider:
-	 * 1. may_open() truncates a file
-	 * 2. a rw->ro mount transition occurs
-	 * 3. nameidata_to_filp() fails due to
-	 *    the ro mount.
-	 * That would be inconsistent, and should
-	 * be avoided. Taking this mnt write here
-	 * ensures that (2) can not occur.
+	 * O_SYNC is implemented as __O_SYNC|O_DSYNC.  As many places only
+	 * check for O_DSYNC if the need any syncing at all we enforce it's
+	 * always set instead of having to deal with possibly weird behaviour
+	 * for malicious applications setting only __O_SYNC.
 	 */
-	will_truncate = open_will_truncate(flag, nd.path.dentry->d_inode);
-	if (will_truncate) {
-		error = mnt_want_write(nd.path.mnt);
-		if (error)
-			goto exit;
-	}
-	error = may_open(&nd.path, acc_mode, flag);
+	if (open_flag & __O_SYNC)
+		open_flag |= O_DSYNC;
+
+	if (!acc_mode)
+		acc_mode = MAY_OPEN | ACC_MODE(open_flag);
+
+	/* O_TRUNC implies we need access checks for write permissions */
+	if (open_flag & O_TRUNC)
+		acc_mode |= MAY_WRITE;
+
+	/* Allow the LSM permission hook to distinguish append 
+	   access from general write access. */
+	if (open_flag & O_APPEND)
+		acc_mode |= MAY_APPEND;
+
+	/* find the parent */
+reval:
+	error = path_init(dfd, pathname, LOOKUP_PARENT, &nd);
+	if (error)
+		return ERR_PTR(error);
+	if (force_reval)
+		nd.flags |= LOOKUP_REVAL;
+
+	current->total_link_count = 0;
+	error = link_path_walk(pathname, &nd);
 	if (error) {
-		if (will_truncate)
-			mnt_drop_write(nd.path.mnt);
-		goto exit;
-	}
-	filp = nameidata_to_filp(&nd);
-	if (!IS_ERR(filp)) {
-		error = ima_file_check(filp, acc_mode);
-		if (error) {
-			fput(filp);
-			filp = ERR_PTR(error);
-		}
+		filp = ERR_PTR(error);
+		goto out;
 	}
-	if (!IS_ERR(filp)) {
-		if (acc_mode & MAY_WRITE)
-			vfs_dq_init(nd.path.dentry->d_inode);
+	if (unlikely(!audit_dummy_context()) && (open_flag & O_CREAT))
+		audit_inode(pathname, nd.path.dentry);
 
-		if (will_truncate) {
-			error = handle_truncate(&nd.path);
-			if (error) {
-				fput(filp);
-				filp = ERR_PTR(error);
-			}
-		}
-	}
 	/*
-	 * It is now safe to drop the mnt write
-	 * because the filp has had a write taken
-	 * on its behalf.
+	 * We have the parent and last component.
 	 */
-	if (will_truncate)
-		mnt_drop_write(nd.path.mnt);
+
+	error = -ENFILE;
+	filp = get_empty_filp();
+	if (filp == NULL)
+		goto exit_parent;
+	nd.intent.open.file = filp;
+	filp->f_flags = open_flag;
+	nd.intent.open.flags = flag;
+	nd.intent.open.create_mode = mode;
+	nd.flags &= ~LOOKUP_PARENT;
+	nd.flags |= LOOKUP_OPEN;
+	if (open_flag & O_CREAT) {
+		nd.flags |= LOOKUP_CREATE;
+		if (open_flag & O_EXCL)
+			nd.flags |= LOOKUP_EXCL;
+	}
+	if (open_flag & O_DIRECTORY)
+		nd.flags |= LOOKUP_DIRECTORY;
+	filp = do_last(&nd, &path, open_flag, acc_mode, mode, pathname);
+	while (unlikely(!filp)) { /* trailing symlink */
+		struct path holder;
+		struct inode *inode = path.dentry->d_inode;
+		void *cookie;
+		error = -ELOOP;
+		/* S_ISDIR part is a temporary automount kludge */
+		if ((open_flag & O_NOFOLLOW) && !S_ISDIR(inode->i_mode))
+			goto exit_dput;
+		if (count++ == 32)
+			goto exit_dput;
+		/*
+		 * This is subtle. Instead of calling do_follow_link() we do
+		 * the thing by hands. The reason is that this way we have zero
+		 * link_count and path_walk() (called from ->follow_link)
+		 * honoring LOOKUP_PARENT.  After that we have the parent and
+		 * last component, i.e. we are in the same situation as after
+		 * the first path_walk().  Well, almost - if the last component
+		 * is normal we get its copy stored in nd->last.name and we will
+		 * have to putname() it when we are done. Procfs-like symlinks
+		 * just set LAST_BIND.
+		 */
+		nd.flags |= LOOKUP_PARENT;
+		error = security_inode_follow_link(path.dentry, &nd);
+		if (error)
+			goto exit_dput;
+		error = __do_follow_link(&path, &nd, &cookie);
+		if (unlikely(error)) {
+			/* nd.path had been dropped */
+			if (!IS_ERR(cookie) && inode->i_op->put_link)
+				inode->i_op->put_link(path.dentry, &nd, cookie);
+			path_put(&path);
+			release_open_intent(&nd);
+			filp = ERR_PTR(error);
+			goto out;
+		}
+		holder = path;
+		nd.flags &= ~LOOKUP_PARENT;
+		filp = do_last(&nd, &path, open_flag, acc_mode, mode, pathname);
+		if (inode->i_op->put_link)
+			inode->i_op->put_link(holder.dentry, &nd, cookie);
+		path_put(&holder);
+	}
+out:
 	if (nd.root.mnt)
 		path_put(&nd.root);
+	if (filp == ERR_PTR(-ESTALE) && !force_reval) {
+		force_reval = 1;
+		goto reval;
+	}
 	return filp;
 
-exit_mutex_unlock:
-	mutex_unlock(&dir->d_inode->i_mutex);
 exit_dput:
 	path_put_conditional(&path, &nd);
-exit:
 	if (!IS_ERR(nd.intent.open.file))
 		release_open_intent(&nd);
 exit_parent:
-	if (nd.root.mnt)
-		path_put(&nd.root);
 	path_put(&nd.path);
-	return ERR_PTR(error);
-
-do_link:
-	error = -ELOOP;
-	if (flag & O_NOFOLLOW)
-		goto exit_dput;
-	/*
-	 * This is subtle. Instead of calling do_follow_link() we do the
-	 * thing by hands. The reason is that this way we have zero link_count
-	 * and path_walk() (called from ->follow_link) honoring LOOKUP_PARENT.
-	 * After that we have the parent and last component, i.e.
-	 * we are in the same situation as after the first path_walk().
-	 * Well, almost - if the last component is normal we get its copy
-	 * stored in nd->last.name and we will have to putname() it when we
-	 * are done. Procfs-like symlinks just set LAST_BIND.
-	 */
-	nd.flags |= LOOKUP_PARENT;
-	error = security_inode_follow_link(path.dentry, &nd);
-	if (error)
-		goto exit_dput;
-	error = __do_follow_link(&path, &nd);
-	path_put(&path);
-	if (error) {
-		/* Does someone understand code flow here? Or it is only
-		 * me so stupid? Anathema to whoever designed this non-sense
-		 * with "intent.open".
-		 */
-		release_open_intent(&nd);
-		if (nd.root.mnt)
-			path_put(&nd.root);
-		if (error == -ESTALE && !force_reval) {
-			force_reval = 1;
-			goto reval;
-		}
-		return ERR_PTR(error);
-	}
-	nd.flags &= ~LOOKUP_PARENT;
-	if (nd.last_type == LAST_BIND)
-		goto ok;
-	error = -EISDIR;
-	if (nd.last_type != LAST_NORM)
-		goto exit;
-	if (nd.last.name[nd.last.len]) {
-		__putname(nd.last.name);
-		goto exit;
-	}
-	error = -ELOOP;
-	if (count++==32) {
-		__putname(nd.last.name);
-		goto exit;
-	}
-	dir = nd.path.dentry;
-	mutex_lock(&dir->d_inode->i_mutex);
-	path.dentry = lookup_hash(&nd);
-	path.mnt = nd.path.mnt;
-	__putname(nd.last.name);
-	goto do_last;
+	filp = ERR_PTR(error);
+	goto out;
 }
 
 /**
@@ -1996,7 +1983,6 @@ int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
 	if (error)
 		return error;
 
-	vfs_dq_init(dir);
 	error = dir->i_op->mknod(dir, dentry, mode, dev);
 	if (!error)
 		fsnotify_create(dir, dentry);
@@ -2095,7 +2081,6 @@ int vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	if (error)
 		return error;
 
-	vfs_dq_init(dir);
 	error = dir->i_op->mkdir(dir, dentry, mode);
 	if (!error)
 		fsnotify_mkdir(dir, dentry);
@@ -2181,8 +2166,6 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry)
 	if (!dir->i_op->rmdir)
 		return -EPERM;
 
-	vfs_dq_init(dir);
-
 	mutex_lock(&dentry->d_inode->i_mutex);
 	dentry_unhash(dentry);
 	if (d_mountpoint(dentry))
@@ -2268,15 +2251,16 @@ int vfs_unlink(struct inode *dir, struct dentry *dentry)
 	if (!dir->i_op->unlink)
 		return -EPERM;
 
-	vfs_dq_init(dir);
-
 	mutex_lock(&dentry->d_inode->i_mutex);
 	if (d_mountpoint(dentry))
 		error = -EBUSY;
 	else {
 		error = security_inode_unlink(dir, dentry);
-		if (!error)
+		if (!error) {
 			error = dir->i_op->unlink(dir, dentry);
+			if (!error)
+				dentry->d_inode->i_flags |= S_DEAD;
+		}
 	}
 	mutex_unlock(&dentry->d_inode->i_mutex);
 
@@ -2379,7 +2363,6 @@ int vfs_symlink(struct inode *dir, struct dentry *dentry, const char *oldname)
 	if (error)
 		return error;
 
-	vfs_dq_init(dir);
 	error = dir->i_op->symlink(dir, dentry, oldname);
 	if (!error)
 		fsnotify_create(dir, dentry);
@@ -2463,7 +2446,6 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de
 		return error;
 
 	mutex_lock(&inode->i_mutex);
-	vfs_dq_init(dir);
 	error = dir->i_op->link(old_dentry, dir, new_dentry);
 	mutex_unlock(&inode->i_mutex);
 	if (!error)
@@ -2564,7 +2546,7 @@ SYSCALL_DEFINE2(link, const char __user *, oldname, const char __user *, newname
  *	e) conversion from fhandle to dentry may come in the wrong moment - when
  *	   we are removing the target. Solution: we will have to grab ->i_mutex
  *	   in the fhandle_to_dentry code. [FIXME - current nfsfh.c relies on
- *	   ->i_mutex on parents, which works but leads to some truely excessive
+ *	   ->i_mutex on parents, which works but leads to some truly excessive
  *	   locking].
  */
 static int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry,
@@ -2629,6 +2611,8 @@ static int vfs_rename_other(struct inode *old_dir, struct dentry *old_dentry,
 	else
 		error = old_dir->i_op->rename(old_dir, old_dentry, new_dir, new_dentry);
 	if (!error) {
+		if (target)
+			target->i_flags |= S_DEAD;
 		if (!(old_dir->i_sb->s_type->fs_flags & FS_RENAME_DOES_D_MOVE))
 			d_move(old_dentry, new_dentry);
 	}
@@ -2662,20 +2646,15 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	if (!old_dir->i_op->rename)
 		return -EPERM;
 
-	vfs_dq_init(old_dir);
-	vfs_dq_init(new_dir);
-
 	old_name = fsnotify_oldname_init(old_dentry->d_name.name);
 
 	if (is_dir)
 		error = vfs_rename_dir(old_dir,old_dentry,new_dir,new_dentry);
 	else
 		error = vfs_rename_other(old_dir,old_dentry,new_dir,new_dentry);
-	if (!error) {
-		const char *new_name = old_dentry->d_name.name;
-		fsnotify_move(old_dir, new_dir, old_name, new_name, is_dir,
+	if (!error)
+		fsnotify_move(old_dir, new_dir, old_name, is_dir,
 			      new_dentry->d_inode, old_dentry);
-	}
 	fsnotify_oldname_free(old_name);
 
 	return error;
diff --git a/fs/namespace.c b/fs/namespace.c
index c768f733c8d6..8174c8ab5c70 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -573,7 +573,7 @@ static struct vfsmount *clone_mnt(struct vfsmount *old, struct dentry *root,
 			mnt->mnt_master = old;
 			CLEAR_MNT_SHARED(mnt);
 		} else if (!(flag & CL_PRIVATE)) {
-			if ((flag & CL_PROPAGATION) || IS_MNT_SHARED(old))
+			if ((flag & CL_MAKE_SHARED) || IS_MNT_SHARED(old))
 				list_add(&mnt->mnt_share, &old->mnt_share);
 			if (IS_MNT_SLAVE(old))
 				list_add(&mnt->mnt_slave, &old->mnt_slave);
@@ -737,6 +737,21 @@ static void m_stop(struct seq_file *m, void *v)
 	up_read(&namespace_sem);
 }
 
+int mnt_had_events(struct proc_mounts *p)
+{
+	struct mnt_namespace *ns = p->ns;
+	int res = 0;
+
+	spin_lock(&vfsmount_lock);
+	if (p->event != ns->event) {
+		p->event = ns->event;
+		res = 1;
+	}
+	spin_unlock(&vfsmount_lock);
+
+	return res;
+}
+
 struct proc_fs_info {
 	int flag;
 	const char *str;
@@ -1121,8 +1136,15 @@ SYSCALL_DEFINE2(umount, char __user *, name, int, flags)
 {
 	struct path path;
 	int retval;
+	int lookup_flags = 0;
 
-	retval = user_path(name, &path);
+	if (flags & ~(MNT_FORCE | MNT_DETACH | MNT_EXPIRE | UMOUNT_NOFOLLOW))
+		return -EINVAL;
+
+	if (!(flags & UMOUNT_NOFOLLOW))
+		lookup_flags |= LOOKUP_FOLLOW;
+
+	retval = user_path_at(AT_FDCWD, name, lookup_flags, &path);
 	if (retval)
 		goto out;
 	retval = -EINVAL;
@@ -1246,6 +1268,21 @@ void drop_collected_mounts(struct vfsmount *mnt)
 	release_mounts(&umount_list);
 }
 
+int iterate_mounts(int (*f)(struct vfsmount *, void *), void *arg,
+		   struct vfsmount *root)
+{
+	struct vfsmount *mnt;
+	int res = f(root, arg);
+	if (res)
+		return res;
+	list_for_each_entry(mnt, &root->mnt_list, mnt_list) {
+		res = f(mnt, arg);
+		if (res)
+			return res;
+	}
+	return 0;
+}
+
 static void cleanup_group_ids(struct vfsmount *mnt, struct vfsmount *end)
 {
 	struct vfsmount *p;
@@ -1538,7 +1575,7 @@ static int do_remount(struct path *path, int flags, int mnt_flags,
 		err = do_remount_sb(sb, flags, data, 0);
 	if (!err) {
 		spin_lock(&vfsmount_lock);
-		mnt_flags |= path->mnt->mnt_flags & MNT_PNODE_MASK;
+		mnt_flags |= path->mnt->mnt_flags & MNT_PROPAGATION_MASK;
 		path->mnt->mnt_flags = mnt_flags;
 		spin_unlock(&vfsmount_lock);
 	}
@@ -1671,7 +1708,7 @@ int do_add_mount(struct vfsmount *newmnt, struct path *path,
 {
 	int err;
 
-	mnt_flags &= ~(MNT_SHARED | MNT_WRITE_HOLD);
+	mnt_flags &= ~(MNT_SHARED | MNT_WRITE_HOLD | MNT_INTERNAL);
 
 	down_write(&namespace_sem);
 	/* Something was mounted here while we slept */
@@ -2314,17 +2351,13 @@ void __init mnt_init(void)
 
 void put_mnt_ns(struct mnt_namespace *ns)
 {
-	struct vfsmount *root;
 	LIST_HEAD(umount_list);
 
-	if (!atomic_dec_and_lock(&ns->count, &vfsmount_lock))
+	if (!atomic_dec_and_test(&ns->count))
 		return;
-	root = ns->root;
-	ns->root = NULL;
-	spin_unlock(&vfsmount_lock);
 	down_write(&namespace_sem);
 	spin_lock(&vfsmount_lock);
-	umount_tree(root, 0, &umount_list);
+	umount_tree(ns->root, 0, &umount_list);
 	spin_unlock(&vfsmount_lock);
 	up_write(&namespace_sem);
 	release_mounts(&umount_list);
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index 73ab220354df..36dfdae95123 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -118,7 +118,6 @@ nfs4_callback_up(struct svc_serv *serv)
 	dprintk("NFS: Callback listener port = %u (af %u)\n",
 			nfs_callback_tcpport, PF_INET);
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 	ret = svc_create_xprt(serv, "tcp", PF_INET6,
 				nfs_callback_set_tcpport, SVC_SOCK_ANONYMOUS);
 	if (ret > 0) {
@@ -129,7 +128,6 @@ nfs4_callback_up(struct svc_serv *serv)
 		ret = 0;
 	else
 		goto out_err;
-#endif	/* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
 
 	return svc_prepare_thread(serv, &serv->sv_pools[0]);
 
diff --git a/fs/nfs/callback.h b/fs/nfs/callback.h
index d4036be0b589..85a7cfd1b8dd 100644
--- a/fs/nfs/callback.h
+++ b/fs/nfs/callback.h
@@ -119,6 +119,14 @@ struct cb_recallanyargs {
 };
 
 extern unsigned nfs4_callback_recallany(struct cb_recallanyargs *args, void *dummy);
+
+struct cb_recallslotargs {
+	struct sockaddr	*crsa_addr;
+	uint32_t	crsa_target_max_slots;
+};
+extern unsigned nfs4_callback_recallslot(struct cb_recallslotargs *args,
+					  void *dummy);
+
 #endif /* CONFIG_NFS_V4_1 */
 
 extern __be32 nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res);
diff --git a/fs/nfs/callback_proc.c b/fs/nfs/callback_proc.c
index defa9b4c470e..84761b5bb8e2 100644
--- a/fs/nfs/callback_proc.c
+++ b/fs/nfs/callback_proc.c
@@ -143,44 +143,49 @@ int nfs41_validate_delegation_stateid(struct nfs_delegation *delegation, const n
  * Return success if the sequenceID is one more than what we last saw on
  * this slot, accounting for wraparound.  Increments the slot's sequence.
  *
- * We don't yet implement a duplicate request cache, so at this time
- * we will log replays, and process them as if we had not seen them before,
- * but we don't bump the sequence in the slot.  Not too worried about it,
+ * We don't yet implement a duplicate request cache, instead we set the
+ * back channel ca_maxresponsesize_cached to zero. This is OK for now
  * since we only currently implement idempotent callbacks anyway.
  *
  * We have a single slot backchannel at this time, so we don't bother
  * checking the used_slots bit array on the table.  The lower layer guarantees
  * a single outstanding callback request at a time.
  */
-static int
-validate_seqid(struct nfs4_slot_table *tbl, u32 slotid, u32 seqid)
+static __be32
+validate_seqid(struct nfs4_slot_table *tbl, struct cb_sequenceargs * args)
 {
 	struct nfs4_slot *slot;
 
 	dprintk("%s enter. slotid %d seqid %d\n",
-		__func__, slotid, seqid);
+		__func__, args->csa_slotid, args->csa_sequenceid);
 
-	if (slotid > NFS41_BC_MAX_CALLBACKS)
+	if (args->csa_slotid > NFS41_BC_MAX_CALLBACKS)
 		return htonl(NFS4ERR_BADSLOT);
 
-	slot = tbl->slots + slotid;
+	slot = tbl->slots + args->csa_slotid;
 	dprintk("%s slot table seqid: %d\n", __func__, slot->seq_nr);
 
 	/* Normal */
-	if (likely(seqid == slot->seq_nr + 1)) {
+	if (likely(args->csa_sequenceid == slot->seq_nr + 1)) {
 		slot->seq_nr++;
 		return htonl(NFS4_OK);
 	}
 
 	/* Replay */
-	if (seqid == slot->seq_nr) {
-		dprintk("%s seqid %d is a replay - no DRC available\n",
-			__func__, seqid);
-		return htonl(NFS4_OK);
+	if (args->csa_sequenceid == slot->seq_nr) {
+		dprintk("%s seqid %d is a replay\n",
+			__func__, args->csa_sequenceid);
+		/* Signal process_op to set this error on next op */
+		if (args->csa_cachethis == 0)
+			return htonl(NFS4ERR_RETRY_UNCACHED_REP);
+
+		/* The ca_maxresponsesize_cached is 0 with no DRC */
+		else if (args->csa_cachethis == 1)
+			return htonl(NFS4ERR_REP_TOO_BIG_TO_CACHE);
 	}
 
 	/* Wraparound */
-	if (seqid == 1 && (slot->seq_nr + 1) == 0) {
+	if (args->csa_sequenceid == 1 && (slot->seq_nr + 1) == 0) {
 		slot->seq_nr = 1;
 		return htonl(NFS4_OK);
 	}
@@ -225,27 +230,87 @@ validate_seqid(struct nfs4_slot_table *tbl, u32 slotid, u32 seqid)
 	return NULL;
 }
 
-/* FIXME: referring calls should be processed */
-unsigned nfs4_callback_sequence(struct cb_sequenceargs *args,
+/*
+ * For each referring call triple, check the session's slot table for
+ * a match.  If the slot is in use and the sequence numbers match, the
+ * client is still waiting for a response to the original request.
+ */
+static bool referring_call_exists(struct nfs_client *clp,
+				  uint32_t nrclists,
+				  struct referring_call_list *rclists)
+{
+	bool status = 0;
+	int i, j;
+	struct nfs4_session *session;
+	struct nfs4_slot_table *tbl;
+	struct referring_call_list *rclist;
+	struct referring_call *ref;
+
+	/*
+	 * XXX When client trunking is implemented, this becomes
+	 * a session lookup from within the loop
+	 */
+	session = clp->cl_session;
+	tbl = &session->fc_slot_table;
+
+	for (i = 0; i < nrclists; i++) {
+		rclist = &rclists[i];
+		if (memcmp(session->sess_id.data,
+			   rclist->rcl_sessionid.data,
+			   NFS4_MAX_SESSIONID_LEN) != 0)
+			continue;
+
+		for (j = 0; j < rclist->rcl_nrefcalls; j++) {
+			ref = &rclist->rcl_refcalls[j];
+
+			dprintk("%s: sessionid %x:%x:%x:%x sequenceid %u "
+				"slotid %u\n", __func__,
+				((u32 *)&rclist->rcl_sessionid.data)[0],
+				((u32 *)&rclist->rcl_sessionid.data)[1],
+				((u32 *)&rclist->rcl_sessionid.data)[2],
+				((u32 *)&rclist->rcl_sessionid.data)[3],
+				ref->rc_sequenceid, ref->rc_slotid);
+
+			spin_lock(&tbl->slot_tbl_lock);
+			status = (test_bit(ref->rc_slotid, tbl->used_slots) &&
+				  tbl->slots[ref->rc_slotid].seq_nr ==
+					ref->rc_sequenceid);
+			spin_unlock(&tbl->slot_tbl_lock);
+			if (status)
+				goto out;
+		}
+	}
+
+out:
+	return status;
+}
+
+__be32 nfs4_callback_sequence(struct cb_sequenceargs *args,
 				struct cb_sequenceres *res)
 {
 	struct nfs_client *clp;
-	int i, status;
-
-	for (i = 0; i < args->csa_nrclists; i++)
-		kfree(args->csa_rclists[i].rcl_refcalls);
-	kfree(args->csa_rclists);
+	int i;
+	__be32 status;
 
 	status = htonl(NFS4ERR_BADSESSION);
 	clp = find_client_with_session(args->csa_addr, 4, &args->csa_sessionid);
 	if (clp == NULL)
 		goto out;
 
-	status = validate_seqid(&clp->cl_session->bc_slot_table,
-				args->csa_slotid, args->csa_sequenceid);
+	status = validate_seqid(&clp->cl_session->bc_slot_table, args);
 	if (status)
 		goto out_putclient;
 
+	/*
+	 * Check for pending referring calls.  If a match is found, a
+	 * related callback was received before the response to the original
+	 * call.
+	 */
+	if (referring_call_exists(clp, args->csa_nrclists, args->csa_rclists)) {
+		status = htonl(NFS4ERR_DELAY);
+		goto out_putclient;
+	}
+
 	memcpy(&res->csr_sessionid, &args->csa_sessionid,
 	       sizeof(res->csr_sessionid));
 	res->csr_sequenceid = args->csa_sequenceid;
@@ -256,15 +321,23 @@ unsigned nfs4_callback_sequence(struct cb_sequenceargs *args,
 out_putclient:
 	nfs_put_client(clp);
 out:
-	dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
-	res->csr_status = status;
-	return res->csr_status;
+	for (i = 0; i < args->csa_nrclists; i++)
+		kfree(args->csa_rclists[i].rcl_refcalls);
+	kfree(args->csa_rclists);
+
+	if (status == htonl(NFS4ERR_RETRY_UNCACHED_REP))
+		res->csr_status = 0;
+	else
+		res->csr_status = status;
+	dprintk("%s: exit with status = %d res->csr_status %d\n", __func__,
+		ntohl(status), ntohl(res->csr_status));
+	return status;
 }
 
-unsigned nfs4_callback_recallany(struct cb_recallanyargs *args, void *dummy)
+__be32 nfs4_callback_recallany(struct cb_recallanyargs *args, void *dummy)
 {
 	struct nfs_client *clp;
-	int status;
+	__be32 status;
 	fmode_t flags = 0;
 
 	status = htonl(NFS4ERR_OP_NOT_IN_SESSION);
@@ -289,4 +362,40 @@ out:
 	dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
 	return status;
 }
+
+/* Reduce the fore channel's max_slots to the target value */
+__be32 nfs4_callback_recallslot(struct cb_recallslotargs *args, void *dummy)
+{
+	struct nfs_client *clp;
+	struct nfs4_slot_table *fc_tbl;
+	__be32 status;
+
+	status = htonl(NFS4ERR_OP_NOT_IN_SESSION);
+	clp = nfs_find_client(args->crsa_addr, 4);
+	if (clp == NULL)
+		goto out;
+
+	dprintk("NFS: CB_RECALL_SLOT request from %s target max slots %d\n",
+		rpc_peeraddr2str(clp->cl_rpcclient, RPC_DISPLAY_ADDR),
+		args->crsa_target_max_slots);
+
+	fc_tbl = &clp->cl_session->fc_slot_table;
+
+	status = htonl(NFS4ERR_BAD_HIGH_SLOT);
+	if (args->crsa_target_max_slots > fc_tbl->max_slots ||
+	    args->crsa_target_max_slots < 1)
+		goto out_putclient;
+
+	status = htonl(NFS4_OK);
+	if (args->crsa_target_max_slots == fc_tbl->max_slots)
+		goto out_putclient;
+
+	fc_tbl->target_max_slots = args->crsa_target_max_slots;
+	nfs41_handle_recall_slot(clp);
+out_putclient:
+	nfs_put_client(clp);	/* balance nfs_find_client */
+out:
+	dprintk("%s: exit with status = %d\n", __func__, ntohl(status));
+	return status;
+}
 #endif /* CONFIG_NFS_V4_1 */
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index 8e1a2511c8be..a2b8b4df125d 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -24,10 +24,14 @@
 #define CB_OP_SEQUENCE_RES_MAXSZ	(CB_OP_HDR_RES_MAXSZ + \
 					4 + 1 + 3)
 #define CB_OP_RECALLANY_RES_MAXSZ	(CB_OP_HDR_RES_MAXSZ)
+#define CB_OP_RECALLSLOT_RES_MAXSZ	(CB_OP_HDR_RES_MAXSZ)
 #endif /* CONFIG_NFS_V4_1 */
 
 #define NFSDBG_FACILITY NFSDBG_CALLBACK
 
+/* Internal error code */
+#define NFS4ERR_RESOURCE_HDR	11050
+
 typedef __be32 (*callback_process_op_t)(void *, void *);
 typedef __be32 (*callback_decode_arg_t)(struct svc_rqst *, struct xdr_stream *, void *);
 typedef __be32 (*callback_encode_res_t)(struct svc_rqst *, struct xdr_stream *, void *);
@@ -173,7 +177,7 @@ static __be32 decode_op_hdr(struct xdr_stream *xdr, unsigned int *op)
 	__be32 *p;
 	p = read_buf(xdr, 4);
 	if (unlikely(p == NULL))
-		return htonl(NFS4ERR_RESOURCE);
+		return htonl(NFS4ERR_RESOURCE_HDR);
 	*op = ntohl(*p);
 	return 0;
 }
@@ -215,10 +219,10 @@ out:
 
 #if defined(CONFIG_NFS_V4_1)
 
-static unsigned decode_sessionid(struct xdr_stream *xdr,
+static __be32 decode_sessionid(struct xdr_stream *xdr,
 				 struct nfs4_sessionid *sid)
 {
-	uint32_t *p;
+	__be32 *p;
 	int len = NFS4_MAX_SESSIONID_LEN;
 
 	p = read_buf(xdr, len);
@@ -229,12 +233,12 @@ static unsigned decode_sessionid(struct xdr_stream *xdr,
 	return 0;
 }
 
-static unsigned decode_rc_list(struct xdr_stream *xdr,
+static __be32 decode_rc_list(struct xdr_stream *xdr,
 			       struct referring_call_list *rc_list)
 {
-	uint32_t *p;
+	__be32 *p;
 	int i;
-	unsigned status;
+	__be32 status;
 
 	status = decode_sessionid(xdr, &rc_list->rcl_sessionid);
 	if (status)
@@ -267,13 +271,13 @@ out:
 	return status;
 }
 
-static unsigned decode_cb_sequence_args(struct svc_rqst *rqstp,
+static __be32 decode_cb_sequence_args(struct svc_rqst *rqstp,
 					struct xdr_stream *xdr,
 					struct cb_sequenceargs *args)
 {
-	uint32_t *p;
+	__be32 *p;
 	int i;
-	unsigned status;
+	__be32 status;
 
 	status = decode_sessionid(xdr, &args->csa_sessionid);
 	if (status)
@@ -327,11 +331,11 @@ out_free:
 	goto out;
 }
 
-static unsigned decode_recallany_args(struct svc_rqst *rqstp,
+static __be32 decode_recallany_args(struct svc_rqst *rqstp,
 				      struct xdr_stream *xdr,
 				      struct cb_recallanyargs *args)
 {
-	uint32_t *p;
+	__be32 *p;
 
 	args->craa_addr = svc_addr(rqstp);
 	p = read_buf(xdr, 4);
@@ -346,6 +350,20 @@ static unsigned decode_recallany_args(struct svc_rqst *rqstp,
 	return 0;
 }
 
+static __be32 decode_recallslot_args(struct svc_rqst *rqstp,
+					struct xdr_stream *xdr,
+					struct cb_recallslotargs *args)
+{
+	__be32 *p;
+
+	args->crsa_addr = svc_addr(rqstp);
+	p = read_buf(xdr, 4);
+	if (unlikely(p == NULL))
+		return htonl(NFS4ERR_BADXDR);
+	args->crsa_target_max_slots = ntohl(*p++);
+	return 0;
+}
+
 #endif /* CONFIG_NFS_V4_1 */
 
 static __be32 encode_string(struct xdr_stream *xdr, unsigned int len, const char *str)
@@ -465,7 +483,7 @@ static __be32 encode_op_hdr(struct xdr_stream *xdr, uint32_t op, __be32 res)
 	
 	p = xdr_reserve_space(xdr, 8);
 	if (unlikely(p == NULL))
-		return htonl(NFS4ERR_RESOURCE);
+		return htonl(NFS4ERR_RESOURCE_HDR);
 	*p++ = htonl(op);
 	*p = res;
 	return 0;
@@ -499,10 +517,10 @@ out:
 
 #if defined(CONFIG_NFS_V4_1)
 
-static unsigned encode_sessionid(struct xdr_stream *xdr,
+static __be32 encode_sessionid(struct xdr_stream *xdr,
 				 const struct nfs4_sessionid *sid)
 {
-	uint32_t *p;
+	__be32 *p;
 	int len = NFS4_MAX_SESSIONID_LEN;
 
 	p = xdr_reserve_space(xdr, len);
@@ -513,11 +531,11 @@ static unsigned encode_sessionid(struct xdr_stream *xdr,
 	return 0;
 }
 
-static unsigned encode_cb_sequence_res(struct svc_rqst *rqstp,
+static __be32 encode_cb_sequence_res(struct svc_rqst *rqstp,
 				       struct xdr_stream *xdr,
 				       const struct cb_sequenceres *res)
 {
-	uint32_t *p;
+	__be32 *p;
 	unsigned status = res->csr_status;
 
 	if (unlikely(status != 0))
@@ -554,6 +572,7 @@ preprocess_nfs41_op(int nop, unsigned int op_nr, struct callback_op **op)
 	case OP_CB_RECALL:
 	case OP_CB_SEQUENCE:
 	case OP_CB_RECALL_ANY:
+	case OP_CB_RECALL_SLOT:
 		*op = &callback_ops[op_nr];
 		break;
 
@@ -562,7 +581,6 @@ preprocess_nfs41_op(int nop, unsigned int op_nr, struct callback_op **op)
 	case OP_CB_NOTIFY:
 	case OP_CB_PUSH_DELEG:
 	case OP_CB_RECALLABLE_OBJ_AVAIL:
-	case OP_CB_RECALL_SLOT:
 	case OP_CB_WANTS_CANCELLED:
 	case OP_CB_NOTIFY_LOCK:
 		return htonl(NFS4ERR_NOTSUPP);
@@ -602,20 +620,18 @@ preprocess_nfs4_op(unsigned int op_nr, struct callback_op **op)
 static __be32 process_op(uint32_t minorversion, int nop,
 		struct svc_rqst *rqstp,
 		struct xdr_stream *xdr_in, void *argp,
-		struct xdr_stream *xdr_out, void *resp)
+		struct xdr_stream *xdr_out, void *resp, int* drc_status)
 {
 	struct callback_op *op = &callback_ops[0];
-	unsigned int op_nr = OP_CB_ILLEGAL;
+	unsigned int op_nr;
 	__be32 status;
 	long maxlen;
 	__be32 res;
 
 	dprintk("%s: start\n", __func__);
 	status = decode_op_hdr(xdr_in, &op_nr);
-	if (unlikely(status)) {
-		status = htonl(NFS4ERR_OP_ILLEGAL);
-		goto out;
-	}
+	if (unlikely(status))
+		return status;
 
 	dprintk("%s: minorversion=%d nop=%d op_nr=%u\n",
 		__func__, minorversion, nop, op_nr);
@@ -624,19 +640,32 @@ static __be32 process_op(uint32_t minorversion, int nop,
 				preprocess_nfs4_op(op_nr, &op);
 	if (status == htonl(NFS4ERR_OP_ILLEGAL))
 		op_nr = OP_CB_ILLEGAL;
-out:
+	if (status)
+		goto encode_hdr;
+
+	if (*drc_status) {
+		status = *drc_status;
+		goto encode_hdr;
+	}
+
 	maxlen = xdr_out->end - xdr_out->p;
 	if (maxlen > 0 && maxlen < PAGE_SIZE) {
-		if (likely(status == 0 && op->decode_args != NULL))
-			status = op->decode_args(rqstp, xdr_in, argp);
-		if (likely(status == 0 && op->process_op != NULL))
+		status = op->decode_args(rqstp, xdr_in, argp);
+		if (likely(status == 0))
 			status = op->process_op(argp, resp);
 	} else
 		status = htonl(NFS4ERR_RESOURCE);
 
+	/* Only set by OP_CB_SEQUENCE processing */
+	if (status == htonl(NFS4ERR_RETRY_UNCACHED_REP)) {
+		*drc_status = status;
+		status = 0;
+	}
+
+encode_hdr:
 	res = encode_op_hdr(xdr_out, op_nr, status);
-	if (status == 0)
-		status = res;
+	if (unlikely(res))
+		return res;
 	if (op->encode_res != NULL && status == 0)
 		status = op->encode_res(rqstp, xdr_out, resp);
 	dprintk("%s: done, status = %d\n", __func__, ntohl(status));
@@ -652,7 +681,7 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r
 	struct cb_compound_hdr_res hdr_res = { NULL };
 	struct xdr_stream xdr_in, xdr_out;
 	__be32 *p;
-	__be32 status;
+	__be32 status, drc_status = 0;
 	unsigned int nops = 0;
 
 	dprintk("%s: start\n", __func__);
@@ -672,11 +701,18 @@ static __be32 nfs4_callback_compound(struct svc_rqst *rqstp, void *argp, void *r
 		return rpc_system_err;
 
 	while (status == 0 && nops != hdr_arg.nops) {
-		status = process_op(hdr_arg.minorversion, nops,
-				    rqstp, &xdr_in, argp, &xdr_out, resp);
+		status = process_op(hdr_arg.minorversion, nops, rqstp,
+				    &xdr_in, argp, &xdr_out, resp, &drc_status);
 		nops++;
 	}
 
+	/* Buffer overflow in decode_ops_hdr or encode_ops_hdr. Return
+	* resource error in cb_compound status without returning op */
+	if (unlikely(status == htonl(NFS4ERR_RESOURCE_HDR))) {
+		status = htonl(NFS4ERR_RESOURCE);
+		nops--;
+	}
+
 	*hdr_res.status = status;
 	*hdr_res.nops = htonl(nops);
 	dprintk("%s: done, status = %u\n", __func__, ntohl(status));
@@ -713,6 +749,11 @@ static struct callback_op callback_ops[] = {
 		.decode_args = (callback_decode_arg_t)decode_recallany_args,
 		.res_maxsize = CB_OP_RECALLANY_RES_MAXSZ,
 	},
+	[OP_CB_RECALL_SLOT] = {
+		.process_op = (callback_process_op_t)nfs4_callback_recallslot,
+		.decode_args = (callback_decode_arg_t)decode_recallslot_args,
+		.res_maxsize = CB_OP_RECALLSLOT_RES_MAXSZ,
+	},
 #endif /* CONFIG_NFS_V4_1 */
 };
 
@@ -741,6 +782,7 @@ struct svc_version nfs4_callback_version1 = {
 	.vs_proc = nfs4_callback_procedures1,
 	.vs_xdrsize = NFS4_CALLBACK_XDRSIZE,
 	.vs_dispatch = NULL,
+	.vs_hidden = 1,
 };
 
 struct svc_version nfs4_callback_version4 = {
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index ee77713ce68b..2274f1737336 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -164,30 +164,7 @@ error_0:
 	return ERR_PTR(err);
 }
 
-static void nfs4_shutdown_client(struct nfs_client *clp)
-{
-#ifdef CONFIG_NFS_V4
-	if (__test_and_clear_bit(NFS_CS_RENEWD, &clp->cl_res_state))
-		nfs4_kill_renewd(clp);
-	BUG_ON(!RB_EMPTY_ROOT(&clp->cl_state_owners));
-	if (__test_and_clear_bit(NFS_CS_IDMAP, &clp->cl_res_state))
-		nfs_idmap_delete(clp);
-
-	rpc_destroy_wait_queue(&clp->cl_rpcwaitq);
-#endif
-}
-
-/*
- * Destroy the NFS4 callback service
- */
-static void nfs4_destroy_callback(struct nfs_client *clp)
-{
 #ifdef CONFIG_NFS_V4
-	if (__test_and_clear_bit(NFS_CS_CALLBACK, &clp->cl_res_state))
-		nfs_callback_down(clp->cl_minorversion);
-#endif /* CONFIG_NFS_V4 */
-}
-
 /*
  * Clears/puts all minor version specific parts from an nfs_client struct
  * reverting it to minorversion 0.
@@ -202,9 +179,33 @@ static void nfs4_clear_client_minor_version(struct nfs_client *clp)
 
 	clp->cl_call_sync = _nfs4_call_sync;
 #endif /* CONFIG_NFS_V4_1 */
+}
 
+/*
+ * Destroy the NFS4 callback service
+ */
+static void nfs4_destroy_callback(struct nfs_client *clp)
+{
+	if (__test_and_clear_bit(NFS_CS_CALLBACK, &clp->cl_res_state))
+		nfs_callback_down(clp->cl_minorversion);
+}
+
+static void nfs4_shutdown_client(struct nfs_client *clp)
+{
+	if (__test_and_clear_bit(NFS_CS_RENEWD, &clp->cl_res_state))
+		nfs4_kill_renewd(clp);
+	nfs4_clear_client_minor_version(clp);
 	nfs4_destroy_callback(clp);
+	if (__test_and_clear_bit(NFS_CS_IDMAP, &clp->cl_res_state))
+		nfs_idmap_delete(clp);
+
+	rpc_destroy_wait_queue(&clp->cl_rpcwaitq);
 }
+#else
+static void nfs4_shutdown_client(struct nfs_client *clp)
+{
+}
+#endif /* CONFIG_NFS_V4 */
 
 /*
  * Destroy a shared client record
@@ -213,7 +214,6 @@ static void nfs_free_client(struct nfs_client *clp)
 {
 	dprintk("--> nfs_free_client(%u)\n", clp->rpc_ops->version);
 
-	nfs4_clear_client_minor_version(clp);
 	nfs4_shutdown_client(clp);
 
 	nfs_fscache_release_client_cookie(clp);
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index 944b627ec6e1..69e7b8140122 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -71,4 +71,10 @@ static inline int nfs_inode_return_delegation(struct inode *inode)
 }
 #endif
 
+static inline int nfs_have_delegated_attributes(struct inode *inode)
+{
+	return nfs_have_delegation(inode, FMODE_READ) &&
+		!(NFS_I(inode)->cache_validity & NFS_INO_REVAL_FORCED);
+}
+
 #endif
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 3c7f03b669fb..c6f2750648f4 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -560,7 +560,7 @@ static int nfs_readdir(struct file *filp, void *dirent, filldir_t filldir)
 	desc->entry = &my_entry;
 
 	nfs_block_sillyrename(dentry);
-	res = nfs_revalidate_mapping_nolock(inode, filp->f_mapping);
+	res = nfs_revalidate_mapping(inode, filp->f_mapping);
 	if (res < 0)
 		goto out;
 
@@ -1789,7 +1789,7 @@ static int nfs_access_get_cached(struct inode *inode, struct rpc_cred *cred, str
 	cache = nfs_access_search_rbtree(inode, cred);
 	if (cache == NULL)
 		goto out;
-	if (!nfs_have_delegation(inode, FMODE_READ) &&
+	if (!nfs_have_delegated_attributes(inode) &&
 	    !time_in_range_open(jiffies, cache->jiffies, cache->jiffies + nfsi->attrtimeo))
 		goto out_stale;
 	res->jiffies = cache->jiffies;
diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c
index 95e1ca765d47..3f0cd4dfddaf 100644
--- a/fs/nfs/dns_resolve.c
+++ b/fs/nfs/dns_resolve.c
@@ -36,6 +36,19 @@ struct nfs_dns_ent {
 };
 
 
+static void nfs_dns_ent_update(struct cache_head *cnew,
+		struct cache_head *ckey)
+{
+	struct nfs_dns_ent *new;
+	struct nfs_dns_ent *key;
+
+	new = container_of(cnew, struct nfs_dns_ent, h);
+	key = container_of(ckey, struct nfs_dns_ent, h);
+
+	memcpy(&new->addr, &key->addr, key->addrlen);
+	new->addrlen = key->addrlen;
+}
+
 static void nfs_dns_ent_init(struct cache_head *cnew,
 		struct cache_head *ckey)
 {
@@ -49,8 +62,7 @@ static void nfs_dns_ent_init(struct cache_head *cnew,
 	new->hostname = kstrndup(key->hostname, key->namelen, GFP_KERNEL);
 	if (new->hostname) {
 		new->namelen = key->namelen;
-		memcpy(&new->addr, &key->addr, key->addrlen);
-		new->addrlen = key->addrlen;
+		nfs_dns_ent_update(cnew, ckey);
 	} else {
 		new->namelen = 0;
 		new->addrlen = 0;
@@ -234,7 +246,7 @@ static struct cache_detail nfs_dns_resolve = {
 	.cache_show = nfs_dns_show,
 	.match = nfs_dns_match,
 	.init = nfs_dns_ent_init,
-	.update = nfs_dns_ent_init,
+	.update = nfs_dns_ent_update,
 	.alloc = nfs_dns_ent_alloc,
 };
 
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 63f2071d6445..ae0d92736531 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -123,11 +123,11 @@ nfs_file_open(struct inode *inode, struct file *filp)
 			filp->f_path.dentry->d_parent->d_name.name,
 			filp->f_path.dentry->d_name.name);
 
+	nfs_inc_stats(inode, NFSIOS_VFSOPEN);
 	res = nfs_check_flags(filp->f_flags);
 	if (res)
 		return res;
 
-	nfs_inc_stats(inode, NFSIOS_VFSOPEN);
 	res = nfs_open(inode, filp);
 	return res;
 }
@@ -237,9 +237,9 @@ nfs_file_flush(struct file *file, fl_owner_t id)
 			dentry->d_parent->d_name.name,
 			dentry->d_name.name);
 
+	nfs_inc_stats(inode, NFSIOS_VFSFLUSH);
 	if ((file->f_mode & FMODE_WRITE) == 0)
 		return 0;
-	nfs_inc_stats(inode, NFSIOS_VFSFLUSH);
 
 	/* Flush writes to the server and return any errors */
 	return nfs_do_fsync(ctx, inode);
@@ -262,9 +262,11 @@ nfs_file_read(struct kiocb *iocb, const struct iovec *iov,
 		(unsigned long) count, (unsigned long) pos);
 
 	result = nfs_revalidate_mapping(inode, iocb->ki_filp->f_mapping);
-	nfs_add_stats(inode, NFSIOS_NORMALREADBYTES, count);
-	if (!result)
+	if (!result) {
 		result = generic_file_aio_read(iocb, iov, nr_segs, pos);
+		if (result > 0)
+			nfs_add_stats(inode, NFSIOS_NORMALREADBYTES, result);
+	}
 	return result;
 }
 
@@ -282,8 +284,11 @@ nfs_file_splice_read(struct file *filp, loff_t *ppos,
 		(unsigned long) count, (unsigned long long) *ppos);
 
 	res = nfs_revalidate_mapping(inode, filp->f_mapping);
-	if (!res)
+	if (!res) {
 		res = generic_file_splice_read(filp, ppos, pipe, count, flags);
+		if (res > 0)
+			nfs_add_stats(inode, NFSIOS_NORMALREADBYTES, res);
+	}
 	return res;
 }
 
@@ -486,7 +491,8 @@ static int nfs_release_page(struct page *page, gfp_t gfp)
 {
 	dfprintk(PAGECACHE, "NFS: release_page(%p)\n", page);
 
-	if (gfp & __GFP_WAIT)
+	/* Only do I/O if gfp is a superset of GFP_KERNEL */
+	if ((gfp & GFP_KERNEL) == GFP_KERNEL)
 		nfs_wb_page(page->mapping->host, page);
 	/* If PagePrivate() is set, then the page is not freeable */
 	if (PagePrivate(page))
@@ -596,6 +602,7 @@ static ssize_t nfs_file_write(struct kiocb *iocb, const struct iovec *iov,
 {
 	struct dentry * dentry = iocb->ki_filp->f_path.dentry;
 	struct inode * inode = dentry->d_inode;
+	unsigned long written = 0;
 	ssize_t result;
 	size_t count = iov_length(iov, nr_segs);
 
@@ -622,14 +629,18 @@ static ssize_t nfs_file_write(struct kiocb *iocb, const struct iovec *iov,
 	if (!count)
 		goto out;
 
-	nfs_add_stats(inode, NFSIOS_NORMALWRITTENBYTES, count);
 	result = generic_file_aio_write(iocb, iov, nr_segs, pos);
+	if (result > 0)
+		written = result;
+
 	/* Return error values for O_DSYNC and IS_SYNC() */
 	if (result >= 0 && nfs_need_sync_write(iocb->ki_filp, inode)) {
 		int err = nfs_do_fsync(nfs_file_open_context(iocb->ki_filp), inode);
 		if (err < 0)
 			result = err;
 	}
+	if (result > 0)
+		nfs_add_stats(inode, NFSIOS_NORMALWRITTENBYTES, written);
 out:
 	return result;
 
@@ -644,6 +655,7 @@ static ssize_t nfs_file_splice_write(struct pipe_inode_info *pipe,
 {
 	struct dentry *dentry = filp->f_path.dentry;
 	struct inode *inode = dentry->d_inode;
+	unsigned long written = 0;
 	ssize_t ret;
 
 	dprintk("NFS splice_write(%s/%s, %lu@%llu)\n",
@@ -654,14 +666,17 @@ static ssize_t nfs_file_splice_write(struct pipe_inode_info *pipe,
 	 * The combination of splice and an O_APPEND destination is disallowed.
 	 */
 
-	nfs_add_stats(inode, NFSIOS_NORMALWRITTENBYTES, count);
-
 	ret = generic_file_splice_write(pipe, filp, ppos, count, flags);
+	if (ret > 0)
+		written = ret;
+
 	if (ret >= 0 && nfs_need_sync_write(filp, inode)) {
 		int err = nfs_do_fsync(nfs_file_open_context(filp), inode);
 		if (err < 0)
 			ret = err;
 	}
+	if (ret > 0)
+		nfs_add_stats(inode, NFSIOS_NORMALWRITTENBYTES, written);
 	return ret;
 }
 
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index f141bde7756a..e358df75a6ad 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -97,22 +97,6 @@ u64 nfs_compat_user_ino64(u64 fileid)
 	return ino;
 }
 
-int nfs_write_inode(struct inode *inode, int sync)
-{
-	int ret;
-
-	if (sync) {
-		ret = filemap_fdatawait(inode->i_mapping);
-		if (ret == 0)
-			ret = nfs_commit_inode(inode, FLUSH_SYNC);
-	} else
-		ret = nfs_commit_inode(inode, 0);
-	if (ret >= 0)
-		return 0;
-	__mark_inode_dirty(inode, I_DIRTY_DATASYNC);
-	return ret;
-}
-
 void nfs_clear_inode(struct inode *inode)
 {
 	/*
@@ -130,16 +114,12 @@ void nfs_clear_inode(struct inode *inode)
  */
 int nfs_sync_mapping(struct address_space *mapping)
 {
-	int ret;
+	int ret = 0;
 
-	if (mapping->nrpages == 0)
-		return 0;
-	unmap_mapping_range(mapping, 0, 0, 0);
-	ret = filemap_write_and_wait(mapping);
-	if (ret != 0)
-		goto out;
-	ret = nfs_wb_all(mapping->host);
-out:
+	if (mapping->nrpages != 0) {
+		unmap_mapping_range(mapping, 0, 0, 0);
+		ret = nfs_wb_all(mapping->host);
+	}
 	return ret;
 }
 
@@ -511,17 +491,11 @@ int nfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
 	int need_atime = NFS_I(inode)->cache_validity & NFS_INO_INVALID_ATIME;
 	int err;
 
-	/*
-	 * Flush out writes to the server in order to update c/mtime.
-	 *
-	 * Hold the i_mutex to suspend application writes temporarily;
-	 * this prevents long-running writing applications from blocking
-	 * nfs_wb_nocommit.
-	 */
+	/* Flush out writes to the server in order to update c/mtime.  */
 	if (S_ISREG(inode->i_mode)) {
-		mutex_lock(&inode->i_mutex);
-		nfs_wb_nocommit(inode);
-		mutex_unlock(&inode->i_mutex);
+		err = filemap_write_and_wait(inode->i_mapping);
+		if (err)
+			goto out;
 	}
 
 	/*
@@ -545,6 +519,7 @@ int nfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
 		generic_fillattr(inode, stat);
 		stat->ino = nfs_compat_user_ino64(NFS_FILEID(inode));
 	}
+out:
 	return err;
 }
 
@@ -574,14 +549,14 @@ void nfs_close_context(struct nfs_open_context *ctx, int is_sync)
 	nfs_revalidate_inode(server, inode);
 }
 
-static struct nfs_open_context *alloc_nfs_open_context(struct vfsmount *mnt, struct dentry *dentry, struct rpc_cred *cred)
+static struct nfs_open_context *alloc_nfs_open_context(struct path *path, struct rpc_cred *cred)
 {
 	struct nfs_open_context *ctx;
 
 	ctx = kmalloc(sizeof(*ctx), GFP_KERNEL);
 	if (ctx != NULL) {
-		ctx->path.dentry = dget(dentry);
-		ctx->path.mnt = mntget(mnt);
+		ctx->path = *path;
+		path_get(&ctx->path);
 		ctx->cred = get_rpccred(cred);
 		ctx->state = NULL;
 		ctx->lockowner = current->files;
@@ -620,11 +595,6 @@ void put_nfs_open_context(struct nfs_open_context *ctx)
 	__put_nfs_open_context(ctx, 0);
 }
 
-static void put_nfs_open_context_sync(struct nfs_open_context *ctx)
-{
-	__put_nfs_open_context(ctx, 1);
-}
-
 /*
  * Ensure that mmap has a recent RPC credential for use when writing out
  * shared pages
@@ -671,7 +641,7 @@ static void nfs_file_clear_open_context(struct file *filp)
 		spin_lock(&inode->i_lock);
 		list_move_tail(&ctx->list, &NFS_I(inode)->open_files);
 		spin_unlock(&inode->i_lock);
-		put_nfs_open_context_sync(ctx);
+		__put_nfs_open_context(ctx, filp->f_flags & O_DIRECT ? 0 : 1);
 	}
 }
 
@@ -686,7 +656,7 @@ int nfs_open(struct inode *inode, struct file *filp)
 	cred = rpc_lookup_cred();
 	if (IS_ERR(cred))
 		return PTR_ERR(cred);
-	ctx = alloc_nfs_open_context(filp->f_path.mnt, filp->f_path.dentry, cred);
+	ctx = alloc_nfs_open_context(&filp->f_path, cred);
 	put_rpccred(cred);
 	if (ctx == NULL)
 		return -ENOMEM;
@@ -759,7 +729,7 @@ int nfs_attribute_timeout(struct inode *inode)
 {
 	struct nfs_inode *nfsi = NFS_I(inode);
 
-	if (nfs_have_delegation(inode, FMODE_READ))
+	if (nfs_have_delegated_attributes(inode))
 		return 0;
 	return !time_in_range_open(jiffies, nfsi->read_cache_jiffies, nfsi->read_cache_jiffies + nfsi->attrtimeo);
 }
@@ -779,7 +749,7 @@ int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode)
 	return __nfs_revalidate_inode(server, inode);
 }
 
-static int nfs_invalidate_mapping_nolock(struct inode *inode, struct address_space *mapping)
+static int nfs_invalidate_mapping(struct inode *inode, struct address_space *mapping)
 {
 	struct nfs_inode *nfsi = NFS_I(inode);
 	
@@ -800,49 +770,10 @@ static int nfs_invalidate_mapping_nolock(struct inode *inode, struct address_spa
 	return 0;
 }
 
-static int nfs_invalidate_mapping(struct inode *inode, struct address_space *mapping)
-{
-	int ret = 0;
-
-	mutex_lock(&inode->i_mutex);
-	if (NFS_I(inode)->cache_validity & NFS_INO_INVALID_DATA) {
-		ret = nfs_sync_mapping(mapping);
-		if (ret == 0)
-			ret = nfs_invalidate_mapping_nolock(inode, mapping);
-	}
-	mutex_unlock(&inode->i_mutex);
-	return ret;
-}
-
-/**
- * nfs_revalidate_mapping_nolock - Revalidate the pagecache
- * @inode - pointer to host inode
- * @mapping - pointer to mapping
- */
-int nfs_revalidate_mapping_nolock(struct inode *inode, struct address_space *mapping)
-{
-	struct nfs_inode *nfsi = NFS_I(inode);
-	int ret = 0;
-
-	if ((nfsi->cache_validity & NFS_INO_REVAL_PAGECACHE)
-			|| nfs_attribute_timeout(inode) || NFS_STALE(inode)) {
-		ret = __nfs_revalidate_inode(NFS_SERVER(inode), inode);
-		if (ret < 0)
-			goto out;
-	}
-	if (nfsi->cache_validity & NFS_INO_INVALID_DATA)
-		ret = nfs_invalidate_mapping_nolock(inode, mapping);
-out:
-	return ret;
-}
-
 /**
  * nfs_revalidate_mapping - Revalidate the pagecache
  * @inode - pointer to host inode
  * @mapping - pointer to mapping
- *
- * This version of the function will take the inode->i_mutex and attempt to
- * flush out all dirty data if it needs to invalidate the page cache.
  */
 int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping)
 {
@@ -1420,6 +1351,7 @@ static void init_once(void *foo)
 	INIT_LIST_HEAD(&nfsi->access_cache_inode_lru);
 	INIT_RADIX_TREE(&nfsi->nfs_page_tree, GFP_ATOMIC);
 	nfsi->npages = 0;
+	nfsi->ncommit = 0;
 	atomic_set(&nfsi->silly_count, 1);
 	INIT_HLIST_HEAD(&nfsi->silly_list);
 	init_waitqueue_head(&nfsi->waitqueue);
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index 29e464d23b32..11f82f03c5de 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -211,7 +211,7 @@ extern int nfs_access_cache_shrinker(int nr_to_scan, gfp_t gfp_mask);
 extern struct workqueue_struct *nfsiod_workqueue;
 extern struct inode *nfs_alloc_inode(struct super_block *sb);
 extern void nfs_destroy_inode(struct inode *);
-extern int nfs_write_inode(struct inode *,int);
+extern int nfs_write_inode(struct inode *, struct writeback_control *);
 extern void nfs_clear_inode(struct inode *);
 #ifdef CONFIG_NFS_V4
 extern void nfs4_clear_inode(struct inode *);
diff --git a/fs/nfs/iostat.h b/fs/nfs/iostat.h
index 46d779abafd3..1d8d5c813b01 100644
--- a/fs/nfs/iostat.h
+++ b/fs/nfs/iostat.h
@@ -57,12 +57,12 @@ static inline void nfs_add_fscache_stats(struct inode *inode,
 }
 #endif
 
-static inline struct nfs_iostats *nfs_alloc_iostats(void)
+static inline struct nfs_iostats __percpu *nfs_alloc_iostats(void)
 {
 	return alloc_percpu(struct nfs_iostats);
 }
 
-static inline void nfs_free_iostats(struct nfs_iostats *stats)
+static inline void nfs_free_iostats(struct nfs_iostats __percpu *stats)
 {
 	if (stats != NULL)
 		free_percpu(stats);
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index 3f8881d1a050..24992f0a29f2 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -22,14 +22,14 @@
 
 #define NFSDBG_FACILITY		NFSDBG_PROC
 
-/* A wrapper to handle the EJUKEBOX error message */
+/* A wrapper to handle the EJUKEBOX and EKEYEXPIRED error messages */
 static int
 nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
 {
 	int res;
 	do {
 		res = rpc_call_sync(clnt, msg, flags);
-		if (res != -EJUKEBOX)
+		if (res != -EJUKEBOX && res != -EKEYEXPIRED)
 			break;
 		schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME);
 		res = -ERESTARTSYS;
@@ -42,9 +42,10 @@ nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
 static int
 nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode)
 {
-	if (task->tk_status != -EJUKEBOX)
+	if (task->tk_status != -EJUKEBOX && task->tk_status != -EKEYEXPIRED)
 		return 0;
-	nfs_inc_stats(inode, NFSIOS_DELAY);
+	if (task->tk_status == -EJUKEBOX)
+		nfs_inc_stats(inode, NFSIOS_DELAY);
 	task->tk_status = 0;
 	rpc_restart_call(task);
 	rpc_delay(task, NFS_JUKEBOX_RETRY_TIME);
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 0c6fda33d66e..a187200a7aac 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -46,6 +46,7 @@ enum nfs4_client_state {
 	NFS4CLNT_DELEGRETURN,
 	NFS4CLNT_SESSION_RESET,
 	NFS4CLNT_SESSION_DRAINING,
+	NFS4CLNT_RECALL_SLOT,
 };
 
 /*
@@ -280,6 +281,7 @@ extern void nfs4_schedule_state_manager(struct nfs_client *);
 extern int nfs4_state_mark_reclaim_nograce(struct nfs_client *clp, struct nfs4_state *state);
 extern int nfs4_state_mark_reclaim_reboot(struct nfs_client *clp, struct nfs4_state *state);
 extern void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags);
+extern void nfs41_handle_recall_slot(struct nfs_client *clp);
 extern void nfs4_put_lock_state(struct nfs4_lock_state *lsp);
 extern int nfs4_set_lock_state(struct nfs4_state *state, struct file_lock *fl);
 extern void nfs4_copy_stateid(nfs4_stateid *, struct nfs4_state *, fl_owner_t);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 375f0fae2c6a..f9254fb0c9d0 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -281,6 +281,7 @@ static int nfs4_handle_exception(const struct nfs_server *server, int errorcode,
 			}
 		case -NFS4ERR_GRACE:
 		case -NFS4ERR_DELAY:
+		case -EKEYEXPIRED:
 			ret = nfs4_delay(server->client, &exception->timeout);
 			if (ret != 0)
 				break;
@@ -418,7 +419,8 @@ static void nfs41_sequence_done(struct nfs_client *clp,
 			clp->cl_last_renewal = timestamp;
 		spin_unlock(&clp->cl_lock);
 		/* Check sequence flags */
-		nfs41_handle_sequence_flag_errors(clp, res->sr_status_flags);
+		if (atomic_read(&clp->cl_count) > 1)
+			nfs41_handle_sequence_flag_errors(clp, res->sr_status_flags);
 	}
 out:
 	/* The session may be reset by one of the error handlers. */
@@ -724,8 +726,8 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct path *path,
 	p->o_arg.seqid = nfs_alloc_seqid(&sp->so_seqid);
 	if (p->o_arg.seqid == NULL)
 		goto err_free;
-	p->path.mnt = mntget(path->mnt);
-	p->path.dentry = dget(path->dentry);
+	path_get(path);
+	p->path = *path;
 	p->dir = parent;
 	p->owner = sp;
 	atomic_inc(&sp->so_count);
@@ -1163,7 +1165,7 @@ static int nfs4_do_open_reclaim(struct nfs_open_context *ctx, struct nfs4_state
 	int err;
 	do {
 		err = _nfs4_do_open_reclaim(ctx, state);
-		if (err != -NFS4ERR_DELAY)
+		if (err != -NFS4ERR_DELAY && err != -EKEYEXPIRED)
 			break;
 		nfs4_handle_exception(server, err, &exception);
 	} while (exception.retry);
@@ -1582,6 +1584,7 @@ static int nfs4_do_open_expired(struct nfs_open_context *ctx, struct nfs4_state
 			goto out;
 		case -NFS4ERR_GRACE:
 		case -NFS4ERR_DELAY:
+		case -EKEYEXPIRED:
 			nfs4_handle_exception(server, err, &exception);
 			err = 0;
 		}
@@ -1944,8 +1947,8 @@ int nfs4_do_close(struct path *path, struct nfs4_state *state, int wait)
 	calldata->res.seqid = calldata->arg.seqid;
 	calldata->res.server = server;
 	calldata->res.seq_res.sr_slotid = NFS4_MAX_SLOT_TABLE;
-	calldata->path.mnt = mntget(path->mnt);
-	calldata->path.dentry = dget(path->dentry);
+	path_get(path);
+	calldata->path = *path;
 
 	msg.rpc_argp = &calldata->arg,
 	msg.rpc_resp = &calldata->res,
@@ -3145,10 +3148,19 @@ static void nfs4_proc_commit_setup(struct nfs_write_data *data, struct rpc_messa
  * nfs4_proc_async_renew(): This is not one of the nfs_rpc_ops; it is a special
  * standalone procedure for queueing an asynchronous RENEW.
  */
+static void nfs4_renew_release(void *data)
+{
+	struct nfs_client *clp = data;
+
+	if (atomic_read(&clp->cl_count) > 1)
+		nfs4_schedule_state_renewal(clp);
+	nfs_put_client(clp);
+}
+
 static void nfs4_renew_done(struct rpc_task *task, void *data)
 {
-	struct nfs_client *clp = (struct nfs_client *)task->tk_msg.rpc_argp;
-	unsigned long timestamp = (unsigned long)data;
+	struct nfs_client *clp = data;
+	unsigned long timestamp = task->tk_start;
 
 	if (task->tk_status < 0) {
 		/* Unless we're shutting down, schedule state recovery! */
@@ -3164,6 +3176,7 @@ static void nfs4_renew_done(struct rpc_task *task, void *data)
 
 static const struct rpc_call_ops nfs4_renew_ops = {
 	.rpc_call_done = nfs4_renew_done,
+	.rpc_release = nfs4_renew_release,
 };
 
 int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred)
@@ -3174,8 +3187,10 @@ int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred)
 		.rpc_cred	= cred,
 	};
 
+	if (!atomic_inc_not_zero(&clp->cl_count))
+		return -EIO;
 	return rpc_call_async(clp->cl_rpcclient, &msg, RPC_TASK_SOFT,
-			&nfs4_renew_ops, (void *)jiffies);
+			&nfs4_renew_ops, clp);
 }
 
 int nfs4_proc_renew(struct nfs_client *clp, struct rpc_cred *cred)
@@ -3452,6 +3467,7 @@ _nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server,
 			if (server)
 				nfs_inc_server_stats(server, NFSIOS_DELAY);
 		case -NFS4ERR_GRACE:
+		case -EKEYEXPIRED:
 			rpc_delay(task, NFS4_POLL_RETRY_MAX);
 			task->tk_status = 0;
 			return -EAGAIN;
@@ -3564,6 +3580,7 @@ int nfs4_proc_setclientid_confirm(struct nfs_client *clp, struct rpc_cred *cred)
 			case -NFS4ERR_RESOURCE:
 				/* The IBM lawyers misread another document! */
 			case -NFS4ERR_DELAY:
+			case -EKEYEXPIRED:
 				err = nfs4_delay(clp->cl_rpcclient, &timeout);
 		}
 	} while (err == 0);
@@ -4179,7 +4196,7 @@ static int nfs4_lock_reclaim(struct nfs4_state *state, struct file_lock *request
 		if (test_bit(NFS_DELEGATED_STATE, &state->flags) != 0)
 			return 0;
 		err = _nfs4_do_setlk(state, F_SETLK, request, NFS_LOCK_RECLAIM);
-		if (err != -NFS4ERR_DELAY)
+		if (err != -NFS4ERR_DELAY && err != -EKEYEXPIRED)
 			break;
 		nfs4_handle_exception(server, err, &exception);
 	} while (exception.retry);
@@ -4204,6 +4221,7 @@ static int nfs4_lock_expired(struct nfs4_state *state, struct file_lock *request
 			goto out;
 		case -NFS4ERR_GRACE:
 		case -NFS4ERR_DELAY:
+		case -EKEYEXPIRED:
 			nfs4_handle_exception(server, err, &exception);
 			err = 0;
 		}
@@ -4355,6 +4373,7 @@ int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl)
 				err = 0;
 				goto out;
 			case -NFS4ERR_DELAY:
+			case -EKEYEXPIRED:
 				break;
 		}
 		err = nfs4_handle_exception(server, err, &exception);
@@ -4500,7 +4519,7 @@ int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred)
 
 		status = rpc_call_sync(clp->cl_rpcclient, &msg, 0);
 
-		if (status != NFS4ERR_CLID_INUSE)
+		if (status != -NFS4ERR_CLID_INUSE)
 			break;
 
 		if (signalled())
@@ -4554,6 +4573,7 @@ static void nfs4_get_lease_time_done(struct rpc_task *task, void *calldata)
 	switch (task->tk_status) {
 	case -NFS4ERR_DELAY:
 	case -NFS4ERR_GRACE:
+	case -EKEYEXPIRED:
 		dprintk("%s Retry: tk_status %d\n", __func__, task->tk_status);
 		rpc_delay(task, NFS4_POLL_RETRY_MIN);
 		task->tk_status = 0;
@@ -4611,26 +4631,32 @@ int nfs4_proc_get_lease_time(struct nfs_client *clp, struct nfs_fsinfo *fsinfo)
 /*
  * Reset a slot table
  */
-static int nfs4_reset_slot_table(struct nfs4_slot_table *tbl, int max_slots,
-		int old_max_slots, int ivalue)
+static int nfs4_reset_slot_table(struct nfs4_slot_table *tbl, u32 max_reqs,
+				 int ivalue)
 {
+	struct nfs4_slot *new = NULL;
 	int i;
 	int ret = 0;
 
-	dprintk("--> %s: max_reqs=%u, tbl %p\n", __func__, max_slots, tbl);
+	dprintk("--> %s: max_reqs=%u, tbl->max_slots %d\n", __func__,
+		max_reqs, tbl->max_slots);
 
-	/*
-	 * Until we have dynamic slot table adjustment, insist
-	 * upon the same slot table size
-	 */
-	if (max_slots != old_max_slots) {
-		dprintk("%s reset slot table does't match old\n",
-			__func__);
-		ret = -EINVAL; /*XXX NFS4ERR_REQ_TOO_BIG ? */
-		goto out;
+	/* Does the newly negotiated max_reqs match the existing slot table? */
+	if (max_reqs != tbl->max_slots) {
+		ret = -ENOMEM;
+		new = kmalloc(max_reqs * sizeof(struct nfs4_slot),
+			      GFP_KERNEL);
+		if (!new)
+			goto out;
+		ret = 0;
+		kfree(tbl->slots);
 	}
 	spin_lock(&tbl->slot_tbl_lock);
-	for (i = 0; i < max_slots; ++i)
+	if (new) {
+		tbl->slots = new;
+		tbl->max_slots = max_reqs;
+	}
+	for (i = 0; i < tbl->max_slots; ++i)
 		tbl->slots[i].seq_nr = ivalue;
 	spin_unlock(&tbl->slot_tbl_lock);
 	dprintk("%s: tbl=%p slots=%p max_slots=%d\n", __func__,
@@ -4648,16 +4674,12 @@ static int nfs4_reset_slot_tables(struct nfs4_session *session)
 	int status;
 
 	status = nfs4_reset_slot_table(&session->fc_slot_table,
-			session->fc_attrs.max_reqs,
-			session->fc_slot_table.max_slots,
-			1);
+			session->fc_attrs.max_reqs, 1);
 	if (status)
 		return status;
 
 	status = nfs4_reset_slot_table(&session->bc_slot_table,
-			session->bc_attrs.max_reqs,
-			session->bc_slot_table.max_slots,
-			0);
+			session->bc_attrs.max_reqs, 0);
 	return status;
 }
 
@@ -4798,16 +4820,14 @@ static void nfs4_init_channel_attrs(struct nfs41_create_session_args *args)
 	args->fc_attrs.headerpadsz = 0;
 	args->fc_attrs.max_rqst_sz = mxrqst_sz;
 	args->fc_attrs.max_resp_sz = mxresp_sz;
-	args->fc_attrs.max_resp_sz_cached = mxresp_sz;
 	args->fc_attrs.max_ops = NFS4_MAX_OPS;
 	args->fc_attrs.max_reqs = session->clp->cl_rpcclient->cl_xprt->max_reqs;
 
 	dprintk("%s: Fore Channel : max_rqst_sz=%u max_resp_sz=%u "
-		"max_resp_sz_cached=%u max_ops=%u max_reqs=%u\n",
+		"max_ops=%u max_reqs=%u\n",
 		__func__,
 		args->fc_attrs.max_rqst_sz, args->fc_attrs.max_resp_sz,
-		args->fc_attrs.max_resp_sz_cached, args->fc_attrs.max_ops,
-		args->fc_attrs.max_reqs);
+		args->fc_attrs.max_ops, args->fc_attrs.max_reqs);
 
 	/* Back channel attributes */
 	args->bc_attrs.headerpadsz = 0;
@@ -5016,7 +5036,16 @@ static int nfs4_proc_sequence(struct nfs_client *clp, struct rpc_cred *cred)
 				       &res, args.sa_cache_this, 1);
 }
 
-void nfs41_sequence_call_done(struct rpc_task *task, void *data)
+static void nfs41_sequence_release(void *data)
+{
+	struct nfs_client *clp = (struct nfs_client *)data;
+
+	if (atomic_read(&clp->cl_count) > 1)
+		nfs4_schedule_state_renewal(clp);
+	nfs_put_client(clp);
+}
+
+static void nfs41_sequence_call_done(struct rpc_task *task, void *data)
 {
 	struct nfs_client *clp = (struct nfs_client *)data;
 
@@ -5024,6 +5053,8 @@ void nfs41_sequence_call_done(struct rpc_task *task, void *data)
 
 	if (task->tk_status < 0) {
 		dprintk("%s ERROR %d\n", __func__, task->tk_status);
+		if (atomic_read(&clp->cl_count) == 1)
+			goto out;
 
 		if (_nfs4_async_handle_error(task, NULL, clp, NULL)
 								== -EAGAIN) {
@@ -5032,7 +5063,7 @@ void nfs41_sequence_call_done(struct rpc_task *task, void *data)
 		}
 	}
 	dprintk("%s rpc_cred %p\n", __func__, task->tk_msg.rpc_cred);
-
+out:
 	kfree(task->tk_msg.rpc_argp);
 	kfree(task->tk_msg.rpc_resp);
 
@@ -5057,6 +5088,7 @@ static void nfs41_sequence_prepare(struct rpc_task *task, void *data)
 static const struct rpc_call_ops nfs41_sequence_ops = {
 	.rpc_call_done = nfs41_sequence_call_done,
 	.rpc_call_prepare = nfs41_sequence_prepare,
+	.rpc_release = nfs41_sequence_release,
 };
 
 static int nfs41_proc_async_sequence(struct nfs_client *clp,
@@ -5069,12 +5101,14 @@ static int nfs41_proc_async_sequence(struct nfs_client *clp,
 		.rpc_cred = cred,
 	};
 
+	if (!atomic_inc_not_zero(&clp->cl_count))
+		return -EIO;
 	args = kzalloc(sizeof(*args), GFP_KERNEL);
-	if (!args)
-		return -ENOMEM;
 	res = kzalloc(sizeof(*res), GFP_KERNEL);
-	if (!res) {
+	if (!args || !res) {
 		kfree(args);
+		kfree(res);
+		nfs_put_client(clp);
 		return -ENOMEM;
 	}
 	res->sr_slotid = NFS4_MAX_SLOT_TABLE;
diff --git a/fs/nfs/nfs4renewd.c b/fs/nfs/nfs4renewd.c
index 0156c01c212c..d87f10327b72 100644
--- a/fs/nfs/nfs4renewd.c
+++ b/fs/nfs/nfs4renewd.c
@@ -36,11 +36,6 @@
  * as an rpc_task, not a real kernel thread, so it always runs in rpciod's
  * context.  There is one renewd per nfs_server.
  *
- * TODO: If the send queue gets backlogged (e.g., if the server goes down),
- * we will keep filling the queue with periodic RENEW requests.  We need a
- * mechanism for ensuring that if renewd successfully sends off a request,
- * then it only wakes up when the request is finished.  Maybe use the
- * child task framework of the RPC layer?
  */
 
 #include <linux/mm.h>
@@ -63,7 +58,7 @@ nfs4_renew_state(struct work_struct *work)
 	struct nfs_client *clp =
 		container_of(work, struct nfs_client, cl_renewd.work);
 	struct rpc_cred *cred;
-	long lease, timeout;
+	long lease;
 	unsigned long last, now;
 
 	ops = nfs4_state_renewal_ops[clp->cl_minorversion];
@@ -75,7 +70,6 @@ nfs4_renew_state(struct work_struct *work)
 	lease = clp->cl_lease_time;
 	last = clp->cl_last_renewal;
 	now = jiffies;
-	timeout = (2 * lease) / 3 + (long)last - (long)now;
 	/* Are we close to a lease timeout? */
 	if (time_after(now, last + lease/3)) {
 		cred = ops->get_state_renewal_cred_locked(clp);
@@ -90,19 +84,15 @@ nfs4_renew_state(struct work_struct *work)
 			/* Queue an asynchronous RENEW. */
 			ops->sched_state_renewal(clp, cred);
 			put_rpccred(cred);
+			goto out_exp;
 		}
-		timeout = (2 * lease) / 3;
-		spin_lock(&clp->cl_lock);
-	} else
+	} else {
 		dprintk("%s: failed to call renewd. Reason: lease not expired \n",
 				__func__);
-	if (timeout < 5 * HZ)    /* safeguard */
-		timeout = 5 * HZ;
-	dprintk("%s: requeueing work. Lease period = %ld\n",
-			__func__, (timeout + HZ - 1) / HZ);
-	cancel_delayed_work(&clp->cl_renewd);
-	schedule_delayed_work(&clp->cl_renewd, timeout);
-	spin_unlock(&clp->cl_lock);
+		spin_unlock(&clp->cl_lock);
+	}
+	nfs4_schedule_state_renewal(clp);
+out_exp:
 	nfs_expire_unreferenced_delegations(clp);
 out:
 	dprintk("%s: done\n", __func__);
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index c1e2733f4fa4..6c5ed51f105e 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -1249,26 +1249,65 @@ static int nfs4_reclaim_lease(struct nfs_client *clp)
 }
 
 #ifdef CONFIG_NFS_V4_1
+void nfs41_handle_recall_slot(struct nfs_client *clp)
+{
+	set_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state);
+	nfs4_schedule_state_recovery(clp);
+}
+
+static void nfs4_reset_all_state(struct nfs_client *clp)
+{
+	if (test_and_set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) == 0) {
+		clp->cl_boot_time = CURRENT_TIME;
+		nfs4_state_start_reclaim_nograce(clp);
+		nfs4_schedule_state_recovery(clp);
+	}
+}
+
+static void nfs41_handle_server_reboot(struct nfs_client *clp)
+{
+	if (test_and_set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) == 0) {
+		nfs4_state_start_reclaim_reboot(clp);
+		nfs4_schedule_state_recovery(clp);
+	}
+}
+
+static void nfs41_handle_state_revoked(struct nfs_client *clp)
+{
+	/* Temporary */
+	nfs4_reset_all_state(clp);
+}
+
+static void nfs41_handle_recallable_state_revoked(struct nfs_client *clp)
+{
+	/* This will need to handle layouts too */
+	nfs_expire_all_delegations(clp);
+}
+
+static void nfs41_handle_cb_path_down(struct nfs_client *clp)
+{
+	nfs_expire_all_delegations(clp);
+	if (test_and_set_bit(NFS4CLNT_SESSION_RESET, &clp->cl_state) == 0)
+		nfs4_schedule_state_recovery(clp);
+}
+
 void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags)
 {
 	if (!flags)
 		return;
-	else if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED) {
-		set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
-		nfs4_state_start_reclaim_reboot(clp);
-		nfs4_schedule_state_recovery(clp);
-	} else if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
+	else if (flags & SEQ4_STATUS_RESTART_RECLAIM_NEEDED)
+		nfs41_handle_server_reboot(clp);
+	else if (flags & (SEQ4_STATUS_EXPIRED_ALL_STATE_REVOKED |
 			    SEQ4_STATUS_EXPIRED_SOME_STATE_REVOKED |
 			    SEQ4_STATUS_ADMIN_STATE_REVOKED |
-			    SEQ4_STATUS_RECALLABLE_STATE_REVOKED |
-			    SEQ4_STATUS_LEASE_MOVED)) {
-		set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state);
-		nfs4_state_start_reclaim_nograce(clp);
-		nfs4_schedule_state_recovery(clp);
-	} else if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
+			    SEQ4_STATUS_LEASE_MOVED))
+		nfs41_handle_state_revoked(clp);
+	else if (flags & SEQ4_STATUS_RECALLABLE_STATE_REVOKED)
+		nfs41_handle_recallable_state_revoked(clp);
+	else if (flags & (SEQ4_STATUS_CB_PATH_DOWN |
 			    SEQ4_STATUS_BACKCHANNEL_FAULT |
 			    SEQ4_STATUS_CB_PATH_DOWN_SESSION))
-		nfs_expire_all_delegations(clp);
+		nfs41_handle_cb_path_down(clp);
 }
 
 static int nfs4_reset_session(struct nfs_client *clp)
@@ -1285,23 +1324,52 @@ static int nfs4_reset_session(struct nfs_client *clp)
 
 	memset(clp->cl_session->sess_id.data, 0, NFS4_MAX_SESSIONID_LEN);
 	status = nfs4_proc_create_session(clp);
-	if (status)
+	if (status) {
 		status = nfs4_recovery_handle_error(clp, status);
+		goto out;
+	}
+	/* create_session negotiated new slot table */
+	clear_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state);
 
-out:
-	/*
-	 * Let the state manager reestablish state
-	 */
-	if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state) &&
-	    status == 0)
+	 /* Let the state manager reestablish state */
+	if (!test_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state))
 		nfs41_setup_state_renewal(clp);
-
+out:
 	return status;
 }
 
+static int nfs4_recall_slot(struct nfs_client *clp)
+{
+	struct nfs4_slot_table *fc_tbl = &clp->cl_session->fc_slot_table;
+	struct nfs4_channel_attrs *fc_attrs = &clp->cl_session->fc_attrs;
+	struct nfs4_slot *new, *old;
+	int i;
+
+	nfs4_begin_drain_session(clp);
+	new = kmalloc(fc_tbl->target_max_slots * sizeof(struct nfs4_slot),
+		      GFP_KERNEL);
+        if (!new)
+		return -ENOMEM;
+
+	spin_lock(&fc_tbl->slot_tbl_lock);
+	for (i = 0; i < fc_tbl->target_max_slots; i++)
+		new[i].seq_nr = fc_tbl->slots[i].seq_nr;
+	old = fc_tbl->slots;
+	fc_tbl->slots = new;
+	fc_tbl->max_slots = fc_tbl->target_max_slots;
+	fc_tbl->target_max_slots = 0;
+	fc_attrs->max_reqs = fc_tbl->max_slots;
+	spin_unlock(&fc_tbl->slot_tbl_lock);
+
+	kfree(old);
+	nfs4_end_drain_session(clp);
+	return 0;
+}
+
 #else /* CONFIG_NFS_V4_1 */
 static int nfs4_reset_session(struct nfs_client *clp) { return 0; }
 static int nfs4_end_drain_session(struct nfs_client *clp) { return 0; }
+static int nfs4_recall_slot(struct nfs_client *clp) { return 0; }
 #endif /* CONFIG_NFS_V4_1 */
 
 /* Set NFS4CLNT_LEASE_EXPIRED for all v4.0 errors and for recoverable errors
@@ -1314,6 +1382,7 @@ static void nfs4_set_lease_expired(struct nfs_client *clp, int status)
 		case -NFS4ERR_DELAY:
 		case -NFS4ERR_CLID_INUSE:
 		case -EAGAIN:
+		case -EKEYEXPIRED:
 			break;
 
 		case -NFS4ERR_NOT_SAME: /* FixMe: implement recovery
@@ -1397,6 +1466,15 @@ static void nfs4_state_manager(struct nfs_client *clp)
 			nfs_client_return_marked_delegations(clp);
 			continue;
 		}
+		/* Recall session slots */
+		if (test_and_clear_bit(NFS4CLNT_RECALL_SLOT, &clp->cl_state)
+		   && nfs4_has_session(clp)) {
+			status = nfs4_recall_slot(clp);
+			if (status < 0)
+				goto out_error;
+			continue;
+		}
+
 
 		nfs4_clear_state_manager_bit(clp);
 		/* Did we race with an attempt to give us more work? */
diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 5cd5184b56db..dd17713413a5 100644
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -1578,6 +1578,14 @@ static void encode_create_session(struct xdr_stream *xdr,
 	char machine_name[NFS4_MAX_MACHINE_NAME_LEN];
 	uint32_t len;
 	struct nfs_client *clp = args->client;
+	u32 max_resp_sz_cached;
+
+	/*
+	 * Assumes OPEN is the biggest non-idempotent compound.
+	 * 2 is the verifier.
+	 */
+	max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE +
+			      RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT;
 
 	len = scnprintf(machine_name, sizeof(machine_name), "%s",
 			clp->cl_ipaddr);
@@ -1592,7 +1600,7 @@ static void encode_create_session(struct xdr_stream *xdr,
 	*p++ = cpu_to_be32(args->fc_attrs.headerpadsz);	/* header padding size */
 	*p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz);	/* max req size */
 	*p++ = cpu_to_be32(args->fc_attrs.max_resp_sz);	/* max resp size */
-	*p++ = cpu_to_be32(args->fc_attrs.max_resp_sz_cached);	/* Max resp sz cached */
+	*p++ = cpu_to_be32(max_resp_sz_cached);		/* Max resp sz cached */
 	*p++ = cpu_to_be32(args->fc_attrs.max_ops);	/* max operations */
 	*p++ = cpu_to_be32(args->fc_attrs.max_reqs);	/* max requests */
 	*p++ = cpu_to_be32(0);				/* rdmachannel_attrs */
@@ -5544,6 +5552,8 @@ static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nf
 	if (status != 0)
 		goto out;
 	status = decode_delegreturn(&xdr);
+	if (status != 0)
+		goto out;
 	decode_getfattr(&xdr, res->fattr, res->server,
 			!RPC_IS_ASYNC(rqstp->rq_task));
 out:
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index a12c45b65dd4..29d9d36cd5f4 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -112,12 +112,10 @@ void nfs_unlock_request(struct nfs_page *req)
  */
 int nfs_set_page_tag_locked(struct nfs_page *req)
 {
-	struct nfs_inode *nfsi = NFS_I(req->wb_context->path.dentry->d_inode);
-
 	if (!nfs_lock_request_dontget(req))
 		return 0;
 	if (req->wb_page != NULL)
-		radix_tree_tag_set(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
+		radix_tree_tag_set(&NFS_I(req->wb_context->path.dentry->d_inode)->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
 	return 1;
 }
 
@@ -126,10 +124,10 @@ int nfs_set_page_tag_locked(struct nfs_page *req)
  */
 void nfs_clear_page_tag_locked(struct nfs_page *req)
 {
-	struct inode *inode = req->wb_context->path.dentry->d_inode;
-	struct nfs_inode *nfsi = NFS_I(inode);
-
 	if (req->wb_page != NULL) {
+		struct inode *inode = req->wb_context->path.dentry->d_inode;
+		struct nfs_inode *nfsi = NFS_I(inode);
+
 		spin_lock(&inode->i_lock);
 		radix_tree_tag_clear(&nfsi->nfs_page_tree, req->wb_index, NFS_PAGE_TAG_LOCKED);
 		nfs_unlock_request(req);
@@ -142,16 +140,22 @@ void nfs_clear_page_tag_locked(struct nfs_page *req)
  * nfs_clear_request - Free up all resources allocated to the request
  * @req:
  *
- * Release page resources associated with a write request after it
- * has completed.
+ * Release page and open context resources associated with a read/write
+ * request after it has completed.
  */
 void nfs_clear_request(struct nfs_page *req)
 {
 	struct page *page = req->wb_page;
+	struct nfs_open_context *ctx = req->wb_context;
+
 	if (page != NULL) {
 		page_cache_release(page);
 		req->wb_page = NULL;
 	}
+	if (ctx != NULL) {
+		put_nfs_open_context(ctx);
+		req->wb_context = NULL;
+	}
 }
 
 
@@ -165,9 +169,8 @@ static void nfs_free_request(struct kref *kref)
 {
 	struct nfs_page *req = container_of(kref, struct nfs_page, wb_kref);
 
-	/* Release struct file or cached credential */
+	/* Release struct file and open context */
 	nfs_clear_request(req);
-	put_nfs_open_context(req->wb_context);
 	nfs_page_free(req);
 }
 
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index ef583854d8d0..c752d944fe9e 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -47,6 +47,39 @@
 #define NFSDBG_FACILITY		NFSDBG_PROC
 
 /*
+ * wrapper to handle the -EKEYEXPIRED error message. This should generally
+ * only happen if using krb5 auth and a user's TGT expires. NFSv2 doesn't
+ * support the NFSERR_JUKEBOX error code, but we handle this situation in the
+ * same way that we handle that error with NFSv3.
+ */
+static int
+nfs_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
+{
+	int res;
+	do {
+		res = rpc_call_sync(clnt, msg, flags);
+		if (res != -EKEYEXPIRED)
+			break;
+		schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME);
+		res = -ERESTARTSYS;
+	} while (!fatal_signal_pending(current));
+	return res;
+}
+
+#define rpc_call_sync(clnt, msg, flags)	nfs_rpc_wrapper(clnt, msg, flags)
+
+static int
+nfs_async_handle_expired_key(struct rpc_task *task)
+{
+	if (task->tk_status != -EKEYEXPIRED)
+		return 0;
+	task->tk_status = 0;
+	rpc_restart_call(task);
+	rpc_delay(task, NFS_JUKEBOX_RETRY_TIME);
+	return 1;
+}
+
+/*
  * Bare-bones access to getattr: this is for nfs_read_super.
  */
 static int
@@ -307,6 +340,8 @@ nfs_proc_unlink_setup(struct rpc_message *msg, struct inode *dir)
 
 static int nfs_proc_unlink_done(struct rpc_task *task, struct inode *dir)
 {
+	if (nfs_async_handle_expired_key(task))
+		return 0;
 	nfs_mark_for_revalidate(dir);
 	return 1;
 }
@@ -560,6 +595,9 @@ nfs_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
 
 static int nfs_read_done(struct rpc_task *task, struct nfs_read_data *data)
 {
+	if (nfs_async_handle_expired_key(task))
+		return -EAGAIN;
+
 	nfs_invalidate_atime(data->inode);
 	if (task->tk_status >= 0) {
 		nfs_refresh_inode(data->inode, data->res.fattr);
@@ -579,6 +617,9 @@ static void nfs_proc_read_setup(struct nfs_read_data *data, struct rpc_message *
 
 static int nfs_write_done(struct rpc_task *task, struct nfs_write_data *data)
 {
+	if (nfs_async_handle_expired_key(task))
+		return -EAGAIN;
+
 	if (task->tk_status >= 0)
 		nfs_post_op_update_inode_force_wcc(data->inode, data->res.fattr);
 	return 0;
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index f1afee4eea77..6baf9a393466 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2214,7 +2214,7 @@ static int nfs_get_sb(struct file_system_type *fs_type,
 	} else {
 		error = nfs_bdi_register(server);
 		if (error)
-			goto error_splat_super;
+			goto error_splat_bdi;
 	}
 
 	if (!s->s_root) {
@@ -2256,6 +2256,9 @@ out_err_nosb:
 error_splat_root:
 	dput(mntroot);
 error_splat_super:
+	if (server && !s->s_root)
+		bdi_unregister(&server->backing_dev_info);
+error_splat_bdi:
 	deactivate_locked_super(s);
 	goto out;
 }
@@ -2326,7 +2329,7 @@ static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags,
 	} else {
 		error = nfs_bdi_register(server);
 		if (error)
-			goto error_splat_super;
+			goto error_splat_bdi;
 	}
 
 	if (!s->s_root) {
@@ -2363,6 +2366,9 @@ out_err_noserver:
 	return error;
 
 error_splat_super:
+	if (server && !s->s_root)
+		bdi_unregister(&server->backing_dev_info);
+error_splat_bdi:
 	deactivate_locked_super(s);
 	dprintk("<-- nfs_xdev_get_sb() = %d [splat]\n", error);
 	return error;
@@ -2578,7 +2584,7 @@ static int nfs4_remote_get_sb(struct file_system_type *fs_type,
 	} else {
 		error = nfs_bdi_register(server);
 		if (error)
-			goto error_splat_super;
+			goto error_splat_bdi;
 	}
 
 	if (!s->s_root) {
@@ -2616,6 +2622,9 @@ out_free:
 error_splat_root:
 	dput(mntroot);
 error_splat_super:
+	if (server && !s->s_root)
+		bdi_unregister(&server->backing_dev_info);
+error_splat_bdi:
 	deactivate_locked_super(s);
 	goto out;
 }
@@ -2811,7 +2820,7 @@ static int nfs4_xdev_get_sb(struct file_system_type *fs_type, int flags,
 	} else {
 		error = nfs_bdi_register(server);
 		if (error)
-			goto error_splat_super;
+			goto error_splat_bdi;
 	}
 
 	if (!s->s_root) {
@@ -2847,6 +2856,9 @@ out_err_noserver:
 	return error;
 
 error_splat_super:
+	if (server && !s->s_root)
+		bdi_unregister(&server->backing_dev_info);
+error_splat_bdi:
 	deactivate_locked_super(s);
 	dprintk("<-- nfs4_xdev_get_sb() = %d [splat]\n", error);
 	return error;
@@ -2893,7 +2905,7 @@ static int nfs4_remote_referral_get_sb(struct file_system_type *fs_type,
 	} else {
 		error = nfs_bdi_register(server);
 		if (error)
-			goto error_splat_super;
+			goto error_splat_bdi;
 	}
 
 	if (!s->s_root) {
@@ -2929,6 +2941,9 @@ out_err_noserver:
 	return error;
 
 error_splat_super:
+	if (server && !s->s_root)
+		bdi_unregister(&server->backing_dev_info);
+error_splat_bdi:
 	deactivate_locked_super(s);
 	dprintk("<-- nfs4_referral_get_sb() = %d [splat]\n", error);
 	return error;
diff --git a/fs/nfs/symlink.c b/fs/nfs/symlink.c
index 412738dbfbc7..2ea9e5c27e55 100644
--- a/fs/nfs/symlink.c
+++ b/fs/nfs/symlink.c
@@ -50,7 +50,7 @@ static void *nfs_follow_link(struct dentry *dentry, struct nameidata *nd)
 	struct page *page;
 	void *err;
 
-	err = ERR_PTR(nfs_revalidate_mapping_nolock(inode, inode->i_mapping));
+	err = ERR_PTR(nfs_revalidate_mapping(inode, inode->i_mapping));
 	if (err)
 		goto read_failed;
 	page = read_cache_page(&inode->i_data, 0,
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index d63d964a0392..53ff70e23993 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -438,6 +438,7 @@ nfs_mark_request_commit(struct nfs_page *req)
 	radix_tree_tag_set(&nfsi->nfs_page_tree,
 			req->wb_index,
 			NFS_PAGE_TAG_COMMIT);
+	nfsi->ncommit++;
 	spin_unlock(&inode->i_lock);
 	inc_zone_page_state(req->wb_page, NR_UNSTABLE_NFS);
 	inc_bdi_stat(req->wb_page->mapping->backing_dev_info, BDI_RECLAIMABLE);
@@ -501,57 +502,6 @@ int nfs_reschedule_unstable_write(struct nfs_page *req)
 }
 #endif
 
-/*
- * Wait for a request to complete.
- *
- * Interruptible by fatal signals only.
- */
-static int nfs_wait_on_requests_locked(struct inode *inode, pgoff_t idx_start, unsigned int npages)
-{
-	struct nfs_inode *nfsi = NFS_I(inode);
-	struct nfs_page *req;
-	pgoff_t idx_end, next;
-	unsigned int		res = 0;
-	int			error;
-
-	if (npages == 0)
-		idx_end = ~0;
-	else
-		idx_end = idx_start + npages - 1;
-
-	next = idx_start;
-	while (radix_tree_gang_lookup_tag(&nfsi->nfs_page_tree, (void **)&req, next, 1, NFS_PAGE_TAG_LOCKED)) {
-		if (req->wb_index > idx_end)
-			break;
-
-		next = req->wb_index + 1;
-		BUG_ON(!NFS_WBACK_BUSY(req));
-
-		kref_get(&req->wb_kref);
-		spin_unlock(&inode->i_lock);
-		error = nfs_wait_on_request(req);
-		nfs_release_request(req);
-		spin_lock(&inode->i_lock);
-		if (error < 0)
-			return error;
-		res++;
-	}
-	return res;
-}
-
-static void nfs_cancel_commit_list(struct list_head *head)
-{
-	struct nfs_page *req;
-
-	while(!list_empty(head)) {
-		req = nfs_list_entry(head->next);
-		nfs_list_remove_request(req);
-		nfs_clear_request_commit(req);
-		nfs_inode_remove_request(req);
-		nfs_unlock_request(req);
-	}
-}
-
 #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
 static int
 nfs_need_commit(struct nfs_inode *nfsi)
@@ -573,11 +523,17 @@ static int
 nfs_scan_commit(struct inode *inode, struct list_head *dst, pgoff_t idx_start, unsigned int npages)
 {
 	struct nfs_inode *nfsi = NFS_I(inode);
+	int ret;
 
 	if (!nfs_need_commit(nfsi))
 		return 0;
 
-	return nfs_scan_list(nfsi, dst, idx_start, npages, NFS_PAGE_TAG_COMMIT);
+	ret = nfs_scan_list(nfsi, dst, idx_start, npages, NFS_PAGE_TAG_COMMIT);
+	if (ret > 0)
+		nfsi->ncommit -= ret;
+	if (nfs_need_commit(NFS_I(inode)))
+		__mark_inode_dirty(inode, I_DIRTY_DATASYNC);
+	return ret;
 }
 #else
 static inline int nfs_need_commit(struct nfs_inode *nfsi)
@@ -642,9 +598,10 @@ static struct nfs_page *nfs_try_to_update_request(struct inode *inode,
 		spin_lock(&inode->i_lock);
 	}
 
-	if (nfs_clear_request_commit(req))
-		radix_tree_tag_clear(&NFS_I(inode)->nfs_page_tree,
-				req->wb_index, NFS_PAGE_TAG_COMMIT);
+	if (nfs_clear_request_commit(req) &&
+			radix_tree_tag_clear(&NFS_I(inode)->nfs_page_tree,
+				req->wb_index, NFS_PAGE_TAG_COMMIT) != NULL)
+		NFS_I(inode)->ncommit--;
 
 	/* Okay, the request matches. Update the region */
 	if (offset < req->wb_offset) {
@@ -1391,7 +1348,7 @@ static const struct rpc_call_ops nfs_commit_ops = {
 	.rpc_release = nfs_commit_release,
 };
 
-int nfs_commit_inode(struct inode *inode, int how)
+static int nfs_commit_inode(struct inode *inode, int how)
 {
 	LIST_HEAD(head);
 	int res;
@@ -1406,92 +1363,51 @@ int nfs_commit_inode(struct inode *inode, int how)
 	}
 	return res;
 }
-#else
-static inline int nfs_commit_list(struct inode *inode, struct list_head *head, int how)
-{
-	return 0;
-}
-#endif
 
-long nfs_sync_mapping_wait(struct address_space *mapping, struct writeback_control *wbc, int how)
+static int nfs_commit_unstable_pages(struct inode *inode, struct writeback_control *wbc)
 {
-	struct inode *inode = mapping->host;
-	pgoff_t idx_start, idx_end;
-	unsigned int npages = 0;
-	LIST_HEAD(head);
-	int nocommit = how & FLUSH_NOCOMMIT;
-	long pages, ret;
-
-	/* FIXME */
-	if (wbc->range_cyclic)
-		idx_start = 0;
-	else {
-		idx_start = wbc->range_start >> PAGE_CACHE_SHIFT;
-		idx_end = wbc->range_end >> PAGE_CACHE_SHIFT;
-		if (idx_end > idx_start) {
-			pgoff_t l_npages = 1 + idx_end - idx_start;
-			npages = l_npages;
-			if (sizeof(npages) != sizeof(l_npages) &&
-					(pgoff_t)npages != l_npages)
-				npages = 0;
+	struct nfs_inode *nfsi = NFS_I(inode);
+	int flags = FLUSH_SYNC;
+	int ret = 0;
+
+	/* Don't commit yet if this is a non-blocking flush and there are
+	 * lots of outstanding writes for this mapping.
+	 */
+	if (wbc->sync_mode == WB_SYNC_NONE &&
+	    nfsi->ncommit <= (nfsi->npages >> 1))
+		goto out_mark_dirty;
+
+	if (wbc->nonblocking || wbc->for_background)
+		flags = 0;
+	ret = nfs_commit_inode(inode, flags);
+	if (ret >= 0) {
+		if (wbc->sync_mode == WB_SYNC_NONE) {
+			if (ret < wbc->nr_to_write)
+				wbc->nr_to_write -= ret;
+			else
+				wbc->nr_to_write = 0;
 		}
+		return 0;
 	}
-	how &= ~FLUSH_NOCOMMIT;
-	spin_lock(&inode->i_lock);
-	do {
-		ret = nfs_wait_on_requests_locked(inode, idx_start, npages);
-		if (ret != 0)
-			continue;
-		if (nocommit)
-			break;
-		pages = nfs_scan_commit(inode, &head, idx_start, npages);
-		if (pages == 0)
-			break;
-		if (how & FLUSH_INVALIDATE) {
-			spin_unlock(&inode->i_lock);
-			nfs_cancel_commit_list(&head);
-			ret = pages;
-			spin_lock(&inode->i_lock);
-			continue;
-		}
-		pages += nfs_scan_commit(inode, &head, 0, 0);
-		spin_unlock(&inode->i_lock);
-		ret = nfs_commit_list(inode, &head, how);
-		spin_lock(&inode->i_lock);
-
-	} while (ret >= 0);
-	spin_unlock(&inode->i_lock);
+out_mark_dirty:
+	__mark_inode_dirty(inode, I_DIRTY_DATASYNC);
 	return ret;
 }
-
-static int __nfs_write_mapping(struct address_space *mapping, struct writeback_control *wbc, int how)
+#else
+static int nfs_commit_inode(struct inode *inode, int how)
 {
-	int ret;
-
-	ret = nfs_writepages(mapping, wbc);
-	if (ret < 0)
-		goto out;
-	ret = nfs_sync_mapping_wait(mapping, wbc, how);
-	if (ret < 0)
-		goto out;
 	return 0;
-out:
-	__mark_inode_dirty(mapping->host, I_DIRTY_PAGES);
-	return ret;
 }
 
-/* Two pass sync: first using WB_SYNC_NONE, then WB_SYNC_ALL */
-static int nfs_write_mapping(struct address_space *mapping, int how)
+static int nfs_commit_unstable_pages(struct inode *inode, struct writeback_control *wbc)
 {
-	struct writeback_control wbc = {
-		.bdi = mapping->backing_dev_info,
-		.sync_mode = WB_SYNC_ALL,
-		.nr_to_write = LONG_MAX,
-		.range_start = 0,
-		.range_end = LLONG_MAX,
-	};
+	return 0;
+}
+#endif
 
-	return __nfs_write_mapping(mapping, &wbc, how);
+int nfs_write_inode(struct inode *inode, struct writeback_control *wbc)
+{
+	return nfs_commit_unstable_pages(inode, wbc);
 }
 
 /*
@@ -1499,37 +1415,26 @@ static int nfs_write_mapping(struct address_space *mapping, int how)
  */
 int nfs_wb_all(struct inode *inode)
 {
-	return nfs_write_mapping(inode->i_mapping, 0);
-}
+	struct writeback_control wbc = {
+		.sync_mode = WB_SYNC_ALL,
+		.nr_to_write = LONG_MAX,
+		.range_start = 0,
+		.range_end = LLONG_MAX,
+	};
 
-int nfs_wb_nocommit(struct inode *inode)
-{
-	return nfs_write_mapping(inode->i_mapping, FLUSH_NOCOMMIT);
+	return sync_inode(inode, &wbc);
 }
 
 int nfs_wb_page_cancel(struct inode *inode, struct page *page)
 {
 	struct nfs_page *req;
-	loff_t range_start = page_offset(page);
-	loff_t range_end = range_start + (loff_t)(PAGE_CACHE_SIZE - 1);
-	struct writeback_control wbc = {
-		.bdi = page->mapping->backing_dev_info,
-		.sync_mode = WB_SYNC_ALL,
-		.nr_to_write = LONG_MAX,
-		.range_start = range_start,
-		.range_end = range_end,
-	};
 	int ret = 0;
 
 	BUG_ON(!PageLocked(page));
 	for (;;) {
 		req = nfs_page_find_request(page);
 		if (req == NULL)
-			goto out;
-		if (test_bit(PG_CLEAN, &req->wb_flags)) {
-			nfs_release_request(req);
 			break;
-		}
 		if (nfs_lock_request_dontget(req)) {
 			nfs_inode_remove_request(req);
 			/*
@@ -1543,54 +1448,54 @@ int nfs_wb_page_cancel(struct inode *inode, struct page *page)
 		ret = nfs_wait_on_request(req);
 		nfs_release_request(req);
 		if (ret < 0)
-			goto out;
+			break;
 	}
-	if (!PagePrivate(page))
-		return 0;
-	ret = nfs_sync_mapping_wait(page->mapping, &wbc, FLUSH_INVALIDATE);
-out:
 	return ret;
 }
 
-static int nfs_wb_page_priority(struct inode *inode, struct page *page,
-				int how)
+/*
+ * Write back all requests on one page - we do this before reading it.
+ */
+int nfs_wb_page(struct inode *inode, struct page *page)
 {
 	loff_t range_start = page_offset(page);
 	loff_t range_end = range_start + (loff_t)(PAGE_CACHE_SIZE - 1);
 	struct writeback_control wbc = {
-		.bdi = page->mapping->backing_dev_info,
 		.sync_mode = WB_SYNC_ALL,
-		.nr_to_write = LONG_MAX,
+		.nr_to_write = 0,
 		.range_start = range_start,
 		.range_end = range_end,
 	};
+	struct nfs_page *req;
+	int need_commit;
 	int ret;
 
-	do {
+	while(PagePrivate(page)) {
 		if (clear_page_dirty_for_io(page)) {
 			ret = nfs_writepage_locked(page, &wbc);
 			if (ret < 0)
 				goto out_error;
-		} else if (!PagePrivate(page))
+		}
+		req = nfs_find_and_lock_request(page);
+		if (!req)
 			break;
-		ret = nfs_sync_mapping_wait(page->mapping, &wbc, how);
-		if (ret < 0)
+		if (IS_ERR(req)) {
+			ret = PTR_ERR(req);
 			goto out_error;
-	} while (PagePrivate(page));
+		}
+		need_commit = test_bit(PG_CLEAN, &req->wb_flags);
+		nfs_clear_page_tag_locked(req);
+		if (need_commit) {
+			ret = nfs_commit_inode(inode, FLUSH_SYNC);
+			if (ret < 0)
+				goto out_error;
+		}
+	}
 	return 0;
 out_error:
-	__mark_inode_dirty(inode, I_DIRTY_PAGES);
 	return ret;
 }
 
-/*
- * Write back all requests on one page - we do this before reading it.
- */
-int nfs_wb_page(struct inode *inode, struct page* page)
-{
-	return nfs_wb_page_priority(inode, page, FLUSH_STABLE);
-}
-
 #ifdef CONFIG_MIGRATION
 int nfs_migrate_page(struct address_space *mapping, struct page *newpage,
 		struct page *page)
diff --git a/fs/nfsctl.c b/fs/nfsctl.c
index d3854d94b7cf..bf9cbd242ddd 100644
--- a/fs/nfsctl.c
+++ b/fs/nfsctl.c
@@ -36,10 +36,9 @@ static struct file *do_open(char *name, int flags)
 		return ERR_PTR(error);
 
 	if (flags == O_RDWR)
-		error = may_open(&nd.path, MAY_READ|MAY_WRITE,
-					   FMODE_READ|FMODE_WRITE);
+		error = may_open(&nd.path, MAY_READ|MAY_WRITE, flags);
 	else
-		error = may_open(&nd.path, MAY_WRITE, FMODE_WRITE);
+		error = may_open(&nd.path, MAY_WRITE, flags);
 
 	if (!error)
 		return dentry_open(nd.path.dentry, nd.path.mnt, flags,
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index c6eed2a3b093..4bc22c763de7 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -525,6 +525,8 @@ static struct rpc_cred *callback_cred;
 
 int set_callback_cred(void)
 {
+	if (callback_cred)
+		return 0;
 	callback_cred = rpc_lookup_machine_cred();
 	if (!callback_cred)
 		return -ENOMEM;
@@ -542,7 +544,8 @@ void do_probe_callback(struct nfs4_client *clp)
 	};
 	int status;
 
-	status = rpc_call_async(cb->cb_client, &msg, RPC_TASK_SOFT,
+	status = rpc_call_async(cb->cb_client, &msg,
+				RPC_TASK_SOFT | RPC_TASK_SOFTCONN,
 				&nfsd4_cb_probe_ops, (void *)clp);
 	if (status) {
 		warn_no_callback_path(clp, status);
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index 5a754f7b71ed..98fb98e330b4 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -119,9 +119,7 @@ out_no_tfm:
 static void
 nfsd4_sync_rec_dir(void)
 {
-	mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
-	nfsd_sync_dir(rec_dir.dentry);
-	mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
+	vfs_fsync(NULL, rec_dir.dentry, 0);
 }
 
 int
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index f19ed866c95f..c97fddbd17db 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1998,7 +1998,9 @@ nfs4_file_downgrade(struct file *filp, unsigned int share_access)
 {
 	if (share_access & NFS4_SHARE_ACCESS_WRITE) {
 		drop_file_write_access(filp);
+		spin_lock(&filp->f_lock);
 		filp->f_mode = (filp->f_mode | FMODE_READ) & ~FMODE_WRITE;
+		spin_unlock(&filp->f_lock);
 	}
 }
 
@@ -2480,8 +2482,10 @@ nfsd4_process_open2(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nf
 	}
 	memcpy(&open->op_stateid, &stp->st_stateid, sizeof(stateid_t));
 
-	if (nfsd4_has_session(&resp->cstate))
+	if (nfsd4_has_session(&resp->cstate)) {
 		open->op_stateowner->so_confirmed = 1;
+		nfsd4_create_clid_dir(open->op_stateowner->so_client);
+	}
 
 	/*
 	* Attempt to hand out a delegation. No error return, because the
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index a8587e90fd5a..c47b4d7bafa7 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -1434,7 +1434,7 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp)
 		}
 		op->opnum = ntohl(*argp->p++);
 
-		if (op->opnum >= OP_ACCESS && op->opnum < ops->nops)
+		if (op->opnum >= FIRST_NFS4_OP && op->opnum <= LAST_NFS4_OP)
 			op->status = ops->decoders[op->opnum](argp, &op->u);
 		else {
 			op->opnum = OP_ILLEGAL;
@@ -1528,7 +1528,7 @@ static void write_cinfo(__be32 **p, struct nfsd4_change_info *c)
 	} } while (0);
 
 /* Encode as an array of strings the string given with components
- * seperated @sep.
+ * separated @sep.
  */
 static __be32 nfsd4_encode_components(char sep, char *components,
 				   __be32 **pp, int *buflen)
@@ -2121,9 +2121,15 @@ out_acl:
 		 * and this is the root of a cross-mounted filesystem.
 		 */
 		if (ignore_crossmnt == 0 &&
-		    exp->ex_path.mnt->mnt_root->d_inode == dentry->d_inode) {
-			err = vfs_getattr(exp->ex_path.mnt->mnt_parent,
-				exp->ex_path.mnt->mnt_mountpoint, &stat);
+		    dentry == exp->ex_path.mnt->mnt_root) {
+			struct path path = exp->ex_path;
+			path_get(&path);
+			while (follow_up(&path)) {
+				if (path.dentry != path.mnt->mnt_root)
+					break;
+			}
+			err = vfs_getattr(path.mnt, path.dentry, &stat);
+			path_put(&path);
 			if (err)
 				goto out_nfserr;
 		}
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 2604c3e70ea5..0f0e77f2012f 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -988,6 +988,7 @@ static ssize_t __write_ports_delfd(char *buf)
 static ssize_t __write_ports_addxprt(char *buf)
 {
 	char transport[16];
+	struct svc_xprt *xprt;
 	int port, err;
 
 	if (sscanf(buf, "%15s %4u", transport, &port) != 2)
@@ -1002,13 +1003,24 @@ static ssize_t __write_ports_addxprt(char *buf)
 
 	err = svc_create_xprt(nfsd_serv, transport,
 				PF_INET, port, SVC_SOCK_ANONYMOUS);
-	if (err < 0) {
-		/* Give a reasonable perror msg for bad transport string */
-		if (err == -ENOENT)
-			err = -EPROTONOSUPPORT;
-		return err;
-	}
+	if (err < 0)
+		goto out_err;
+
+	err = svc_create_xprt(nfsd_serv, transport,
+				PF_INET6, port, SVC_SOCK_ANONYMOUS);
+	if (err < 0 && err != -EAFNOSUPPORT)
+		goto out_close;
 	return 0;
+out_close:
+	xprt = svc_find_xprt(nfsd_serv, transport, PF_INET, port);
+	if (xprt != NULL) {
+		svc_close_xprt(xprt);
+		svc_xprt_put(xprt);
+	}
+out_err:
+	/* Decrease the count, but don't shut down the service */
+	nfsd_serv->sv_nrthreads--;
+	return err;
 }
 
 /*
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 8715d194561a..a11b0e8678ee 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -20,13 +20,14 @@
 #include <linux/fcntl.h>
 #include <linux/namei.h>
 #include <linux/delay.h>
-#include <linux/quotaops.h>
 #include <linux/fsnotify.h>
 #include <linux/posix_acl_xattr.h>
 #include <linux/xattr.h>
 #include <linux/jhash.h>
 #include <linux/ima.h>
 #include <asm/uaccess.h>
+#include <linux/exportfs.h>
+#include <linux/writeback.h>
 
 #ifdef CONFIG_NFSD_V3
 #include "xdr3.h"
@@ -271,6 +272,32 @@ out:
 	return err;
 }
 
+/*
+ * Commit metadata changes to stable storage.
+ */
+static int
+commit_metadata(struct svc_fh *fhp)
+{
+	struct inode *inode = fhp->fh_dentry->d_inode;
+	const struct export_operations *export_ops = inode->i_sb->s_export_op;
+	int error = 0;
+
+	if (!EX_ISSYNC(fhp->fh_export))
+		return 0;
+
+	if (export_ops->commit_metadata) {
+		error = export_ops->commit_metadata(inode);
+	} else {
+		struct writeback_control wbc = {
+			.sync_mode = WB_SYNC_ALL,
+			.nr_to_write = 0, /* metadata only */
+		};
+
+		error = sync_inode(inode, &wbc);
+	}
+
+	return error;
+}
 
 /*
  * Set various file attributes.
@@ -361,7 +388,7 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
 		 * If we are changing the size of the file, then
 		 * we need to break all leases.
 		 */
-		host_err = break_lease(inode, FMODE_WRITE | O_NONBLOCK);
+		host_err = break_lease(inode, O_WRONLY | O_NONBLOCK);
 		if (host_err == -EWOULDBLOCK)
 			host_err = -ETIMEDOUT;
 		if (host_err) /* ENOMEM or EWOULDBLOCK */
@@ -377,7 +404,6 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap,
 			put_write_access(inode);
 			goto out_nfserr;
 		}
-		vfs_dq_init(inode);
 	}
 
 	/* sanitize the mode change */
@@ -734,7 +760,7 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
 	 * Check to see if there are any leases on this file.
 	 * This may block while leases are broken.
 	 */
-	host_err = break_lease(inode, O_NONBLOCK | ((access & NFSD_MAY_WRITE) ? FMODE_WRITE : 0));
+	host_err = break_lease(inode, O_NONBLOCK | ((access & NFSD_MAY_WRITE) ? O_WRONLY : 0));
 	if (host_err == -EWOULDBLOCK)
 		host_err = -ETIMEDOUT;
 	if (host_err) /* NOMEM or WOULDBLOCK */
@@ -745,8 +771,6 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
 			flags = O_RDWR|O_LARGEFILE;
 		else
 			flags = O_WRONLY|O_LARGEFILE;
-
-		vfs_dq_init(inode);
 	}
 	*filp = dentry_open(dget(dentry), mntget(fhp->fh_export->ex_path.mnt),
 			    flags, current_cred());
@@ -771,43 +795,6 @@ nfsd_close(struct file *filp)
 }
 
 /*
- * Sync a file
- * As this calls fsync (not fdatasync) there is no need for a write_inode
- * after it.
- */
-static inline int nfsd_dosync(struct file *filp, struct dentry *dp,
-			      const struct file_operations *fop)
-{
-	struct inode *inode = dp->d_inode;
-	int (*fsync) (struct file *, struct dentry *, int);
-	int err;
-
-	err = filemap_write_and_wait(inode->i_mapping);
-	if (err == 0 && fop && (fsync = fop->fsync))
-		err = fsync(filp, dp, 0);
-	return err;
-}
-
-static int
-nfsd_sync(struct file *filp)
-{
-        int err;
-	struct inode *inode = filp->f_path.dentry->d_inode;
-	dprintk("nfsd: sync file %s\n", filp->f_path.dentry->d_name.name);
-	mutex_lock(&inode->i_mutex);
-	err=nfsd_dosync(filp, filp->f_path.dentry, filp->f_op);
-	mutex_unlock(&inode->i_mutex);
-
-	return err;
-}
-
-int
-nfsd_sync_dir(struct dentry *dp)
-{
-	return nfsd_dosync(NULL, dp, dp->d_inode->i_fop);
-}
-
-/*
  * Obtain the readahead parameters for the file
  * specified by (dev, ino).
  */
@@ -1010,7 +997,7 @@ static int wait_for_concurrent_writes(struct file *file)
 
 	if (inode->i_state & I_DIRTY) {
 		dprintk("nfsd: write sync %d\n", task_pid_nr(current));
-		err = nfsd_sync(file);
+		err = vfs_fsync(file, file->f_path.dentry, 0);
 	}
 	last_ino = inode->i_ino;
 	last_dev = inode->i_sb->s_dev;
@@ -1158,8 +1145,9 @@ out:
 #ifdef CONFIG_NFSD_V3
 /*
  * Commit all pending writes to stable storage.
- * Strictly speaking, we could sync just the indicated file region here,
- * but there's currently no way we can ask the VFS to do so.
+ *
+ * Note: we only guarantee that data that lies within the range specified
+ * by the 'offset' and 'count' parameters will be synced.
  *
  * Unfortunately we cannot lock the file to make sure we return full WCC
  * data to the client, as locking happens lower down in the filesystem.
@@ -1169,23 +1157,32 @@ nfsd_commit(struct svc_rqst *rqstp, struct svc_fh *fhp,
                loff_t offset, unsigned long count)
 {
 	struct file	*file;
-	__be32		err;
+	loff_t		end = LLONG_MAX;
+	__be32		err = nfserr_inval;
 
-	if ((u64)count > ~(u64)offset)
-		return nfserr_inval;
+	if (offset < 0)
+		goto out;
+	if (count != 0) {
+		end = offset + (loff_t)count - 1;
+		if (end < offset)
+			goto out;
+	}
 
 	err = nfsd_open(rqstp, fhp, S_IFREG, NFSD_MAY_WRITE, &file);
 	if (err)
-		return err;
+		goto out;
 	if (EX_ISSYNC(fhp->fh_export)) {
-		if (file->f_op && file->f_op->fsync) {
-			err = nfserrno(nfsd_sync(file));
-		} else {
+		int err2 = vfs_fsync_range(file, file->f_path.dentry,
+				offset, end, 0);
+
+		if (err2 != -EINVAL)
+			err = nfserrno(err2);
+		else
 			err = nfserr_notsupp;
-		}
 	}
 
 	nfsd_close(file);
+out:
 	return err;
 }
 #endif /* CONFIG_NFSD_V3 */
@@ -1338,12 +1335,14 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp,
 		goto out_nfserr;
 	}
 
-	if (EX_ISSYNC(fhp->fh_export)) {
-		err = nfserrno(nfsd_sync_dir(dentry));
-		write_inode_now(dchild->d_inode, 1);
-	}
+	err = nfsd_create_setattr(rqstp, resfhp, iap);
 
-	err2 = nfsd_create_setattr(rqstp, resfhp, iap);
+	/*
+	 * nfsd_setattr already committed the child.  Transactional filesystems
+	 * had a chance to commit changes for both parent and child
+	 * simultaneously making the following commit_metadata a noop.
+	 */
+	err2 = nfserrno(commit_metadata(fhp));
 	if (err2)
 		err = err2;
 	mnt_drop_write(fhp->fh_export->ex_path.mnt);
@@ -1375,7 +1374,6 @@ nfsd_create_v3(struct svc_rqst *rqstp, struct svc_fh *fhp,
 	struct dentry	*dentry, *dchild = NULL;
 	struct inode	*dirp;
 	__be32		err;
-	__be32		err2;
 	int		host_err;
 	__u32		v_mtime=0, v_atime=0;
 
@@ -1470,11 +1468,6 @@ nfsd_create_v3(struct svc_rqst *rqstp, struct svc_fh *fhp,
 	if (created)
 		*created = 1;
 
-	if (EX_ISSYNC(fhp->fh_export)) {
-		err = nfserrno(nfsd_sync_dir(dentry));
-		/* setattr will sync the child (or not) */
-	}
-
 	nfsd_check_ignore_resizing(iap);
 
 	if (createmode == NFS3_CREATE_EXCLUSIVE) {
@@ -1489,9 +1482,13 @@ nfsd_create_v3(struct svc_rqst *rqstp, struct svc_fh *fhp,
 	}
 
  set_attr:
-	err2 = nfsd_create_setattr(rqstp, resfhp, iap);
-	if (err2)
-		err = err2;
+	err = nfsd_create_setattr(rqstp, resfhp, iap);
+
+	/*
+	 * nfsd_setattr already committed the child (and possibly also the parent).
+	 */
+	if (!err)
+		err = nfserrno(commit_metadata(fhp));
 
 	mnt_drop_write(fhp->fh_export->ex_path.mnt);
 	/*
@@ -1606,12 +1603,9 @@ nfsd_symlink(struct svc_rqst *rqstp, struct svc_fh *fhp,
 		}
 	} else
 		host_err = vfs_symlink(dentry->d_inode, dnew, path);
-
-	if (!host_err) {
-		if (EX_ISSYNC(fhp->fh_export))
-			host_err = nfsd_sync_dir(dentry);
-	}
 	err = nfserrno(host_err);
+	if (!err)
+		err = nfserrno(commit_metadata(fhp));
 	fh_unlock(fhp);
 
 	mnt_drop_write(fhp->fh_export->ex_path.mnt);
@@ -1673,11 +1667,9 @@ nfsd_link(struct svc_rqst *rqstp, struct svc_fh *ffhp,
 	}
 	host_err = vfs_link(dold, dirp, dnew);
 	if (!host_err) {
-		if (EX_ISSYNC(ffhp->fh_export)) {
-			err = nfserrno(nfsd_sync_dir(ddir));
-			write_inode_now(dest, 1);
-		}
-		err = 0;
+		err = nfserrno(commit_metadata(ffhp));
+		if (!err)
+			err = nfserrno(commit_metadata(tfhp));
 	} else {
 		if (host_err == -EXDEV && rqstp->rq_vers == 2)
 			err = nfserr_acces;
@@ -1773,10 +1765,10 @@ nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen,
 		goto out_dput_new;
 
 	host_err = vfs_rename(fdir, odentry, tdir, ndentry);
-	if (!host_err && EX_ISSYNC(tfhp->fh_export)) {
-		host_err = nfsd_sync_dir(tdentry);
+	if (!host_err) {
+		host_err = commit_metadata(tfhp);
 		if (!host_err)
-			host_err = nfsd_sync_dir(fdentry);
+			host_err = commit_metadata(ffhp);
 	}
 
 	mnt_drop_write(ffhp->fh_export->ex_path.mnt);
@@ -1857,12 +1849,9 @@ nfsd_unlink(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
 
 	dput(rdentry);
 
-	if (host_err)
-		goto out_drop;
-	if (EX_ISSYNC(fhp->fh_export))
-		host_err = nfsd_sync_dir(dentry);
+	if (!host_err)
+		host_err = commit_metadata(fhp);
 
-out_drop:
 	mnt_drop_write(fhp->fh_export->ex_path.mnt);
 out_nfserr:
 	err = nfserrno(host_err);
diff --git a/fs/nilfs2/alloc.h b/fs/nilfs2/alloc.h
index f4543ac4f560..5cccf874d692 100644
--- a/fs/nilfs2/alloc.h
+++ b/fs/nilfs2/alloc.h
@@ -42,7 +42,7 @@ void *nilfs_palloc_block_get_entry(const struct inode *, __u64,
 				   const struct buffer_head *, void *);
 
 /**
- * nilfs_palloc_req - persistent alloctor request and reply
+ * nilfs_palloc_req - persistent allocator request and reply
  * @pr_entry_nr: entry number (vblocknr or inode number)
  * @pr_desc_bh: buffer head of the buffer containing block group descriptors
  * @pr_bitmap_bh: buffer head of the buffer containing a block group bitmap
diff --git a/fs/nilfs2/dat.c b/fs/nilfs2/dat.c
index 187dd07ba86c..013146755683 100644
--- a/fs/nilfs2/dat.c
+++ b/fs/nilfs2/dat.c
@@ -288,7 +288,7 @@ int nilfs_dat_mark_dirty(struct inode *dat, __u64 vblocknr)
  * @vblocknrs and @nitems.
  *
  * Return Value: On success, 0 is returned. On error, one of the following
- * nagative error codes is returned.
+ * negative error codes is returned.
  *
  * %-EIO - I/O error.
  *
@@ -388,8 +388,7 @@ int nilfs_dat_translate(struct inode *dat, __u64 vblocknr, sector_t *blocknrp)
 		ret = -ENOENT;
 		goto out;
 	}
-	if (blocknrp != NULL)
-		*blocknrp = blocknr;
+	*blocknrp = blocknr;
 
  out:
 	kunmap_atomic(kaddr, KM_USER0);
diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c
index 76d803e060a9..85c89dfc71f0 100644
--- a/fs/nilfs2/dir.c
+++ b/fs/nilfs2/dir.c
@@ -224,7 +224,7 @@ fail:
  * len <= NILFS_NAME_LEN and de != NULL are guaranteed by caller.
  */
 static int
-nilfs_match(int len, const char * const name, struct nilfs_dir_entry *de)
+nilfs_match(int len, const unsigned char *name, struct nilfs_dir_entry *de)
 {
 	if (len != de->name_len)
 		return 0;
@@ -349,11 +349,11 @@ done:
  * Entry is guaranteed to be valid.
  */
 struct nilfs_dir_entry *
-nilfs_find_entry(struct inode *dir, struct dentry *dentry,
+nilfs_find_entry(struct inode *dir, const struct qstr *qstr,
 		 struct page **res_page)
 {
-	const char *name = dentry->d_name.name;
-	int namelen = dentry->d_name.len;
+	const unsigned char *name = qstr->name;
+	int namelen = qstr->len;
 	unsigned reclen = NILFS_DIR_REC_LEN(namelen);
 	unsigned long start, n;
 	unsigned long npages = dir_pages(dir);
@@ -396,7 +396,7 @@ nilfs_find_entry(struct inode *dir, struct dentry *dentry,
 		/* next page is past the blocks we've got */
 		if (unlikely(n > (dir->i_blocks >> (PAGE_CACHE_SHIFT - 9)))) {
 			nilfs_error(dir->i_sb, __func__,
-			       "dir %lu size %lld exceeds block cout %llu",
+			       "dir %lu size %lld exceeds block count %llu",
 			       dir->i_ino, dir->i_size,
 			       (unsigned long long)dir->i_blocks);
 			goto out;
@@ -424,13 +424,13 @@ struct nilfs_dir_entry *nilfs_dotdot(struct inode *dir, struct page **p)
 	return de;
 }
 
-ino_t nilfs_inode_by_name(struct inode *dir, struct dentry *dentry)
+ino_t nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr)
 {
 	ino_t res = 0;
 	struct nilfs_dir_entry *de;
 	struct page *page;
 
-	de = nilfs_find_entry(dir, dentry, &page);
+	de = nilfs_find_entry(dir, qstr, &page);
 	if (de) {
 		res = le64_to_cpu(de->inode);
 		kunmap(page);
@@ -465,7 +465,7 @@ void nilfs_set_link(struct inode *dir, struct nilfs_dir_entry *de,
 int nilfs_add_link(struct dentry *dentry, struct inode *inode)
 {
 	struct inode *dir = dentry->d_parent->d_inode;
-	const char *name = dentry->d_name.name;
+	const unsigned char *name = dentry->d_name.name;
 	int namelen = dentry->d_name.len;
 	unsigned chunk_size = nilfs_chunk_size(dir);
 	unsigned reclen = NILFS_DIR_REC_LEN(namelen);
diff --git a/fs/nilfs2/gcinode.c b/fs/nilfs2/gcinode.c
index e16a6664dfa2..8880a9e281e7 100644
--- a/fs/nilfs2/gcinode.c
+++ b/fs/nilfs2/gcinode.c
@@ -28,10 +28,10 @@
  * gcinodes), and this file provides lookup function of the dummy
  * inodes and their buffer read function.
  *
- * Since NILFS2 keeps up multiple checkpoints/snapshots accross GC, it
+ * Since NILFS2 keeps up multiple checkpoints/snapshots across GC, it
  * has to treat blocks that belong to a same file but have different
  * checkpoint numbers.  To avoid interference among generations, dummy
- * inodes are managed separatly from actual inodes, and their lookup
+ * inodes are managed separately from actual inodes, and their lookup
  * function (nilfs_gc_iget) is designed to be specified with a
  * checkpoint number argument as well as an inode number.
  *
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index d6b2b83de363..313d0a21da48 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -26,6 +26,7 @@
 #include <linux/capability.h>	/* capable() */
 #include <linux/uaccess.h>	/* copy_from_user(), copy_to_user() */
 #include <linux/vmalloc.h>
+#include <linux/mount.h>	/* mnt_want_write(), mnt_drop_write() */
 #include <linux/nilfs2_fs.h>
 #include "nilfs.h"
 #include "segment.h"
@@ -107,20 +108,28 @@ static int nilfs_ioctl_change_cpmode(struct inode *inode, struct file *filp,
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
+
+	ret = mnt_want_write(filp->f_path.mnt);
+	if (ret)
+		return ret;
+
+	ret = -EFAULT;
 	if (copy_from_user(&cpmode, argp, sizeof(cpmode)))
-		return -EFAULT;
+		goto out;
 
 	mutex_lock(&nilfs->ns_mount_mutex);
+
 	nilfs_transaction_begin(inode->i_sb, &ti, 0);
 	ret = nilfs_cpfile_change_cpmode(
 		cpfile, cpmode.cm_cno, cpmode.cm_mode);
-	if (unlikely(ret < 0)) {
+	if (unlikely(ret < 0))
 		nilfs_transaction_abort(inode->i_sb);
-		mutex_unlock(&nilfs->ns_mount_mutex);
-		return ret;
-	}
-	nilfs_transaction_commit(inode->i_sb); /* never fails */
+	else
+		nilfs_transaction_commit(inode->i_sb); /* never fails */
+
 	mutex_unlock(&nilfs->ns_mount_mutex);
+out:
+	mnt_drop_write(filp->f_path.mnt);
 	return ret;
 }
 
@@ -135,16 +144,23 @@ nilfs_ioctl_delete_checkpoint(struct inode *inode, struct file *filp,
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
+
+	ret = mnt_want_write(filp->f_path.mnt);
+	if (ret)
+		return ret;
+
+	ret = -EFAULT;
 	if (copy_from_user(&cno, argp, sizeof(cno)))
-		return -EFAULT;
+		goto out;
 
 	nilfs_transaction_begin(inode->i_sb, &ti, 0);
 	ret = nilfs_cpfile_delete_checkpoint(cpfile, cno);
-	if (unlikely(ret < 0)) {
+	if (unlikely(ret < 0))
 		nilfs_transaction_abort(inode->i_sb);
-		return ret;
-	}
-	nilfs_transaction_commit(inode->i_sb); /* never fails */
+	else
+		nilfs_transaction_commit(inode->i_sb); /* never fails */
+out:
+	mnt_drop_write(filp->f_path.mnt);
 	return ret;
 }
 
@@ -496,12 +512,19 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 
+	ret = mnt_want_write(filp->f_path.mnt);
+	if (ret)
+		return ret;
+
+	ret = -EFAULT;
 	if (copy_from_user(argv, argp, sizeof(argv)))
-		return -EFAULT;
+		goto out;
 
+	ret = -EINVAL;
 	nsegs = argv[4].v_nmembs;
 	if (argv[4].v_size != argsz[4])
-		return -EINVAL;
+		goto out;
+
 	/*
 	 * argv[4] points to segment numbers this ioctl cleans.  We
 	 * use kmalloc() for its buffer because memory used for the
@@ -509,9 +532,10 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
 	 */
 	kbufs[4] = memdup_user((void __user *)(unsigned long)argv[4].v_base,
 			       nsegs * sizeof(__u64));
-	if (IS_ERR(kbufs[4]))
-		return PTR_ERR(kbufs[4]);
-
+	if (IS_ERR(kbufs[4])) {
+		ret = PTR_ERR(kbufs[4]);
+		goto out;
+	}
 	nilfs = NILFS_SB(inode->i_sb)->s_nilfs;
 
 	for (n = 0; n < 4; n++) {
@@ -563,10 +587,12 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp,
 		nilfs_remove_all_gcinode(nilfs);
 	clear_nilfs_gc_running(nilfs);
 
- out_free:
+out_free:
 	while (--n >= 0)
 		vfree(kbufs[n]);
 	kfree(kbufs[4]);
+out:
+	mnt_drop_write(filp->f_path.mnt);
 	return ret;
 }
 
@@ -575,13 +601,17 @@ static int nilfs_ioctl_sync(struct inode *inode, struct file *filp,
 {
 	__u64 cno;
 	int ret;
+	struct the_nilfs *nilfs;
 
 	ret = nilfs_construct_segment(inode->i_sb);
 	if (ret < 0)
 		return ret;
 
 	if (argp != NULL) {
-		cno = NILFS_SB(inode->i_sb)->s_nilfs->ns_cno - 1;
+		nilfs = NILFS_SB(inode->i_sb)->s_nilfs;
+		down_read(&nilfs->ns_segctor_sem);
+		cno = nilfs->ns_cno - 1;
+		up_read(&nilfs->ns_segctor_sem);
 		if (copy_to_user(argp, &cno, sizeof(cno)))
 			return -EFAULT;
 	}
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index 07ba838ef089..ad6ed2cf19b4 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -67,7 +67,7 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
 	if (dentry->d_name.len > NILFS_NAME_LEN)
 		return ERR_PTR(-ENAMETOOLONG);
 
-	ino = nilfs_inode_by_name(dir, dentry);
+	ino = nilfs_inode_by_name(dir, &dentry->d_name);
 	inode = NULL;
 	if (ino) {
 		inode = nilfs_iget(dir->i_sb, ino);
@@ -81,10 +81,7 @@ struct dentry *nilfs_get_parent(struct dentry *child)
 {
 	unsigned long ino;
 	struct inode *inode;
-	struct dentry dotdot;
-
-	dotdot.d_name.name = "..";
-	dotdot.d_name.len = 2;
+	struct qstr dotdot = {.name = "..", .len = 2};
 
 	ino = nilfs_inode_by_name(child->d_inode, &dotdot);
 	if (!ino)
@@ -296,7 +293,7 @@ static int nilfs_do_unlink(struct inode *dir, struct dentry *dentry)
 	int err;
 
 	err = -ENOENT;
-	de = nilfs_find_entry(dir, dentry, &page);
+	de = nilfs_find_entry(dir, &dentry->d_name, &page);
 	if (!de)
 		goto out;
 
@@ -389,7 +386,7 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 		return err;
 
 	err = -ENOENT;
-	old_de = nilfs_find_entry(old_dir, old_dentry, &old_page);
+	old_de = nilfs_find_entry(old_dir, &old_dentry->d_name, &old_page);
 	if (!old_de)
 		goto out;
 
@@ -409,7 +406,7 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 			goto out_dir;
 
 		err = -ENOENT;
-		new_de = nilfs_find_entry(new_dir, new_dentry, &new_page);
+		new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, &new_page);
 		if (!new_de)
 			goto out_dir;
 		inc_nlink(old_inode);
diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h
index 4da6f67e9a91..8723e5bfd071 100644
--- a/fs/nilfs2/nilfs.h
+++ b/fs/nilfs2/nilfs.h
@@ -217,10 +217,10 @@ static inline int nilfs_init_acl(struct inode *inode, struct inode *dir)
 
 /* dir.c */
 extern int nilfs_add_link(struct dentry *, struct inode *);
-extern ino_t nilfs_inode_by_name(struct inode *, struct dentry *);
+extern ino_t nilfs_inode_by_name(struct inode *, const struct qstr *);
 extern int nilfs_make_empty(struct inode *, struct inode *);
 extern struct nilfs_dir_entry *
-nilfs_find_entry(struct inode *, struct dentry *, struct page **);
+nilfs_find_entry(struct inode *, const struct qstr *, struct page **);
 extern int nilfs_delete_entry(struct nilfs_dir_entry *, struct page *);
 extern int nilfs_empty_dir(struct inode *);
 extern struct nilfs_dir_entry *nilfs_dotdot(struct inode *, struct page **);
diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index a2692bbc7b50..fc246dba112a 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -292,7 +292,7 @@ void nilfs_free_private_page(struct page *page)
  * @src: source page
  * @copy_dirty: flag whether to copy dirty states on the page's buffer heads.
  *
- * This fuction is for both data pages and btnode pages.  The dirty flag
+ * This function is for both data pages and btnode pages.  The dirty flag
  * should be treated by caller.  The page must not be under i/o.
  * Both src and dst page must be locked
  */
@@ -388,7 +388,7 @@ repeat:
 }
 
 /**
- * nilfs_copy_back_pages -- copy back pages to orignal cache from shadow cache
+ * nilfs_copy_back_pages -- copy back pages to original cache from shadow cache
  * @dmap: destination page cache
  * @smap: source page cache
  *
diff --git a/fs/nilfs2/recovery.c b/fs/nilfs2/recovery.c
index c9c96c7825dc..017bedc761a0 100644
--- a/fs/nilfs2/recovery.c
+++ b/fs/nilfs2/recovery.c
@@ -39,7 +39,6 @@ enum {
 	NILFS_SEG_FAIL_IO,
 	NILFS_SEG_FAIL_MAGIC,
 	NILFS_SEG_FAIL_SEQ,
-	NILFS_SEG_FAIL_CHECKSUM_SEGSUM,
 	NILFS_SEG_FAIL_CHECKSUM_SUPER_ROOT,
 	NILFS_SEG_FAIL_CHECKSUM_FULL,
 	NILFS_SEG_FAIL_CONSISTENCY,
@@ -71,10 +70,6 @@ static int nilfs_warn_segment_error(int err)
 		printk(KERN_WARNING
 		       "NILFS warning: Sequence number mismatch\n");
 		break;
-	case NILFS_SEG_FAIL_CHECKSUM_SEGSUM:
-		printk(KERN_WARNING
-		       "NILFS warning: Checksum error in segment summary\n");
-		break;
 	case NILFS_SEG_FAIL_CHECKSUM_SUPER_ROOT:
 		printk(KERN_WARNING
 		       "NILFS warning: Checksum error in super root\n");
@@ -206,19 +201,15 @@ int nilfs_read_super_root_block(struct super_block *sb, sector_t sr_block,
  * @pseg_start: start disk block number of partial segment
  * @seg_seq: sequence number requested
  * @ssi: pointer to nilfs_segsum_info struct to store information
- * @full_check: full check flag
- *              (0: only checks segment summary CRC, 1: data CRC)
  */
 static int
 load_segment_summary(struct nilfs_sb_info *sbi, sector_t pseg_start,
-		     u64 seg_seq, struct nilfs_segsum_info *ssi,
-		     int full_check)
+		     u64 seg_seq, struct nilfs_segsum_info *ssi)
 {
 	struct buffer_head *bh_sum;
 	struct nilfs_segment_summary *sum;
-	unsigned long offset, nblock;
-	u64 check_bytes;
-	u32 crc, crc_sum;
+	unsigned long nblock;
+	u32 crc;
 	int ret = NILFS_SEG_FAIL_IO;
 
 	bh_sum = sb_bread(sbi->s_super, pseg_start);
@@ -237,34 +228,24 @@ load_segment_summary(struct nilfs_sb_info *sbi, sector_t pseg_start,
 		ret = NILFS_SEG_FAIL_SEQ;
 		goto failed;
 	}
-	if (full_check) {
-		offset = sizeof(sum->ss_datasum);
-		check_bytes =
-			((u64)ssi->nblocks << sbi->s_super->s_blocksize_bits);
-		nblock = ssi->nblocks;
-		crc_sum = le32_to_cpu(sum->ss_datasum);
-		ret = NILFS_SEG_FAIL_CHECKSUM_FULL;
-	} else { /* only checks segment summary */
-		offset = sizeof(sum->ss_datasum) + sizeof(sum->ss_sumsum);
-		check_bytes = ssi->sumbytes;
-		nblock = ssi->nsumblk;
-		crc_sum = le32_to_cpu(sum->ss_sumsum);
-		ret = NILFS_SEG_FAIL_CHECKSUM_SEGSUM;
-	}
 
+	nblock = ssi->nblocks;
 	if (unlikely(nblock == 0 ||
 		     nblock > sbi->s_nilfs->ns_blocks_per_segment)) {
 		/* This limits the number of blocks read in the CRC check */
 		ret = NILFS_SEG_FAIL_CONSISTENCY;
 		goto failed;
 	}
-	if (calc_crc_cont(sbi, bh_sum, &crc, offset, check_bytes,
+	if (calc_crc_cont(sbi, bh_sum, &crc, sizeof(sum->ss_datasum),
+			  ((u64)nblock << sbi->s_super->s_blocksize_bits),
 			  pseg_start, nblock)) {
 		ret = NILFS_SEG_FAIL_IO;
 		goto failed;
 	}
-	if (crc == crc_sum)
+	if (crc == le32_to_cpu(sum->ss_datasum))
 		ret = 0;
+	else
+		ret = NILFS_SEG_FAIL_CHECKSUM_FULL;
  failed:
 	brelse(bh_sum);
  out:
@@ -598,7 +579,7 @@ static int nilfs_do_roll_forward(struct the_nilfs *nilfs,
 
 	while (segnum != ri->ri_segnum || pseg_start <= ri->ri_pseg_start) {
 
-		ret = load_segment_summary(sbi, pseg_start, seg_seq, &ssi, 1);
+		ret = load_segment_summary(sbi, pseg_start, seg_seq, &ssi);
 		if (ret) {
 			if (ret == NILFS_SEG_FAIL_IO) {
 				err = -EIO;
@@ -821,7 +802,7 @@ int nilfs_search_super_root(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi,
 
 	for (;;) {
 		/* Load segment summary */
-		ret = load_segment_summary(sbi, pseg_start, seg_seq, &ssi, 1);
+		ret = load_segment_summary(sbi, pseg_start, seg_seq, &ssi);
 		if (ret) {
 			if (ret == NILFS_SEG_FAIL_IO)
 				goto failed;
diff --git a/fs/nilfs2/segbuf.c b/fs/nilfs2/segbuf.c
index 645c78656aa0..6129a431aa34 100644
--- a/fs/nilfs2/segbuf.c
+++ b/fs/nilfs2/segbuf.c
@@ -32,7 +32,7 @@
 struct nilfs_write_info {
 	struct the_nilfs       *nilfs;
 	struct bio	       *bio;
-	int 			start, end; /* The region to be submitted */
+	int			start, end; /* The region to be submitted */
 	int			rest_blocks;
 	int			max_pages;
 	int			nr_vecs;
@@ -40,6 +40,11 @@ struct nilfs_write_info {
 };
 
 
+static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
+			      struct the_nilfs *nilfs);
+static int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf);
+
+
 static struct kmem_cache *nilfs_segbuf_cachep;
 
 static void nilfs_segbuf_init_once(void *obj)
@@ -169,7 +174,7 @@ int nilfs_segbuf_reset(struct nilfs_segment_buffer *segbuf, unsigned flags,
 }
 
 /*
- * Setup segument summary
+ * Setup segment summary
  */
 void nilfs_segbuf_fill_in_segsum(struct nilfs_segment_buffer *segbuf)
 {
@@ -302,17 +307,30 @@ void nilfs_truncate_logs(struct list_head *logs,
 	}
 }
 
+int nilfs_write_logs(struct list_head *logs, struct the_nilfs *nilfs)
+{
+	struct nilfs_segment_buffer *segbuf;
+	int ret = 0;
+
+	list_for_each_entry(segbuf, logs, sb_list) {
+		ret = nilfs_segbuf_write(segbuf, nilfs);
+		if (ret)
+			break;
+	}
+	return ret;
+}
+
 int nilfs_wait_on_logs(struct list_head *logs)
 {
 	struct nilfs_segment_buffer *segbuf;
-	int err;
+	int err, ret = 0;
 
 	list_for_each_entry(segbuf, logs, sb_list) {
 		err = nilfs_segbuf_wait(segbuf);
-		if (err)
-			return err;
+		if (err && !ret)
+			ret = err;
 	}
-	return 0;
+	return ret;
 }
 
 /*
@@ -452,8 +470,8 @@ static int nilfs_segbuf_submit_bh(struct nilfs_segment_buffer *segbuf,
  *
  * %-ENOMEM - Insufficient memory available.
  */
-int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
-		       struct the_nilfs *nilfs)
+static int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
+			      struct the_nilfs *nilfs)
 {
 	struct nilfs_write_info wi;
 	struct buffer_head *bh;
@@ -496,7 +514,7 @@ int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
  *
  * %-EIO - I/O error
  */
-int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf)
+static int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf)
 {
 	int err = 0;
 
diff --git a/fs/nilfs2/segbuf.h b/fs/nilfs2/segbuf.h
index 6af1630fb401..94dfd3517bc0 100644
--- a/fs/nilfs2/segbuf.h
+++ b/fs/nilfs2/segbuf.h
@@ -166,13 +166,10 @@ nilfs_segbuf_add_file_buffer(struct nilfs_segment_buffer *segbuf,
 	segbuf->sb_sum.nfileblk++;
 }
 
-int nilfs_segbuf_write(struct nilfs_segment_buffer *segbuf,
-		       struct the_nilfs *nilfs);
-int nilfs_segbuf_wait(struct nilfs_segment_buffer *segbuf);
-
 void nilfs_clear_logs(struct list_head *logs);
 void nilfs_truncate_logs(struct list_head *logs,
 			 struct nilfs_segment_buffer *last);
+int nilfs_write_logs(struct list_head *logs, struct the_nilfs *nilfs);
 int nilfs_wait_on_logs(struct list_head *logs);
 
 static inline void nilfs_destroy_logs(struct list_head *logs)
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 105b508b47a8..c161d89061b5 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -141,7 +141,7 @@ int nilfs_init_transaction_cache(void)
 }
 
 /**
- * nilfs_detroy_transaction_cache - destroy the cache for transaction info
+ * nilfs_destroy_transaction_cache - destroy the cache for transaction info
  *
  * nilfs_destroy_transaction_cache() frees the slab cache for the struct
  * nilfs_transaction_info.
@@ -201,7 +201,7 @@ static int nilfs_prepare_segment_lock(struct nilfs_transaction_info *ti)
  * This function allocates a nilfs_transaction_info struct to keep context
  * information on it.  It is initialized and hooked onto the current task in
  * the outermost call.  If a pre-allocated struct is given to @ti, it is used
- * instead; othewise a new struct is assigned from a slab.
+ * instead; otherwise a new struct is assigned from a slab.
  *
  * When @vacancy_check flag is set, this function will check the amount of
  * free space, and will wait for the GC to reclaim disk space if low capacity.
@@ -1510,6 +1510,12 @@ static int nilfs_segctor_collect(struct nilfs_sc_info *sci,
 		if (mode != SC_LSEG_SR || sci->sc_stage.scnt < NILFS_ST_CPFILE)
 			break;
 
+		nilfs_clear_logs(&sci->sc_segbufs);
+
+		err = nilfs_segctor_extend_segments(sci, nilfs, nadd);
+		if (unlikely(err))
+			return err;
+
 		if (sci->sc_stage.flags & NILFS_CF_SUFREED) {
 			err = nilfs_sufile_cancel_freev(nilfs->ns_sufile,
 							sci->sc_freesegs,
@@ -1517,12 +1523,6 @@ static int nilfs_segctor_collect(struct nilfs_sc_info *sci,
 							NULL);
 			WARN_ON(err); /* do not happen */
 		}
-		nilfs_clear_logs(&sci->sc_segbufs);
-
-		err = nilfs_segctor_extend_segments(sci, nilfs, nadd);
-		if (unlikely(err))
-			return err;
-
 		nadd = min_t(int, nadd << 1, SC_MAX_SEGDELTA);
 		sci->sc_stage = prev_stage;
 	}
@@ -1764,14 +1764,9 @@ static int nilfs_segctor_prepare_write(struct nilfs_sc_info *sci,
 static int nilfs_segctor_write(struct nilfs_sc_info *sci,
 			       struct the_nilfs *nilfs)
 {
-	struct nilfs_segment_buffer *segbuf;
-	int ret = 0;
+	int ret;
 
-	list_for_each_entry(segbuf, &sci->sc_segbufs, sb_list) {
-		ret = nilfs_segbuf_write(segbuf, nilfs);
-		if (ret)
-			break;
-	}
+	ret = nilfs_write_logs(&sci->sc_segbufs, nilfs);
 	list_splice_tail_init(&sci->sc_segbufs, &sci->sc_write_logs);
 	return ret;
 }
@@ -1902,8 +1897,7 @@ static void nilfs_segctor_abort_construction(struct nilfs_sc_info *sci,
 
 	list_splice_tail_init(&sci->sc_write_logs, &logs);
 	ret = nilfs_wait_on_logs(&logs);
-	if (ret)
-		nilfs_abort_logs(&logs, NULL, sci->sc_super_root, ret);
+	nilfs_abort_logs(&logs, NULL, sci->sc_super_root, ret ? : err);
 
 	list_splice_tail_init(&sci->sc_segbufs, &logs);
 	nilfs_cancel_segusage(&logs, nilfs->ns_sufile);
@@ -1937,8 +1931,7 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
 {
 	struct nilfs_segment_buffer *segbuf;
 	struct page *bd_page = NULL, *fs_page = NULL;
-	struct nilfs_sb_info *sbi = sci->sc_sbi;
-	struct the_nilfs *nilfs = sbi->s_nilfs;
+	struct the_nilfs *nilfs = sci->sc_sbi->s_nilfs;
 	int update_sr = (sci->sc_super_root != NULL);
 
 	list_for_each_entry(segbuf, &sci->sc_write_logs, sb_list) {
@@ -2020,7 +2013,7 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
 	if (update_sr) {
 		nilfs_set_last_segment(nilfs, segbuf->sb_pseg_start,
 				       segbuf->sb_sum.seg_seq, nilfs->ns_cno++);
-		sbi->s_super->s_dirt = 1;
+		set_nilfs_sb_dirty(nilfs);
 
 		clear_bit(NILFS_SC_HAVE_DELTA, &sci->sc_flags);
 		clear_bit(NILFS_SC_DIRTY, &sci->sc_flags);
@@ -2220,7 +2213,7 @@ static int nilfs_segctor_do_construct(struct nilfs_sc_info *sci, int mode)
 }
 
 /**
- * nilfs_secgtor_start_timer - set timer of background write
+ * nilfs_segctor_start_timer - set timer of background write
  * @sci: nilfs_sc_info
  *
  * If the timer has already been set, it ignores the new request.
@@ -2425,43 +2418,43 @@ int nilfs_construct_dsync_segment(struct super_block *sb, struct inode *inode,
 	return err;
 }
 
-struct nilfs_segctor_req {
-	int mode;
-	__u32 seq_accepted;
-	int sc_err;  /* construction failure */
-	int sb_err;  /* super block writeback failure */
-};
-
 #define FLUSH_FILE_BIT	(0x1) /* data file only */
 #define FLUSH_DAT_BIT	(1 << NILFS_DAT_INO) /* DAT only */
 
-static void nilfs_segctor_accept(struct nilfs_sc_info *sci,
-				 struct nilfs_segctor_req *req)
+/**
+ * nilfs_segctor_accept - record accepted sequence count of log-write requests
+ * @sci: segment constructor object
+ */
+static void nilfs_segctor_accept(struct nilfs_sc_info *sci)
 {
-	req->sc_err = req->sb_err = 0;
 	spin_lock(&sci->sc_state_lock);
-	req->seq_accepted = sci->sc_seq_request;
+	sci->sc_seq_accepted = sci->sc_seq_request;
 	spin_unlock(&sci->sc_state_lock);
 
 	if (sci->sc_timer)
 		del_timer_sync(sci->sc_timer);
 }
 
-static void nilfs_segctor_notify(struct nilfs_sc_info *sci,
-				 struct nilfs_segctor_req *req)
+/**
+ * nilfs_segctor_notify - notify the result of request to caller threads
+ * @sci: segment constructor object
+ * @mode: mode of log forming
+ * @err: error code to be notified
+ */
+static void nilfs_segctor_notify(struct nilfs_sc_info *sci, int mode, int err)
 {
 	/* Clear requests (even when the construction failed) */
 	spin_lock(&sci->sc_state_lock);
 
-	if (req->mode == SC_LSEG_SR) {
+	if (mode == SC_LSEG_SR) {
 		sci->sc_state &= ~NILFS_SEGCTOR_COMMIT;
-		sci->sc_seq_done = req->seq_accepted;
-		nilfs_segctor_wakeup(sci, req->sc_err ? : req->sb_err);
+		sci->sc_seq_done = sci->sc_seq_accepted;
+		nilfs_segctor_wakeup(sci, err);
 		sci->sc_flush_request = 0;
 	} else {
-		if (req->mode == SC_FLUSH_FILE)
+		if (mode == SC_FLUSH_FILE)
 			sci->sc_flush_request &= ~FLUSH_FILE_BIT;
-		else if (req->mode == SC_FLUSH_DAT)
+		else if (mode == SC_FLUSH_DAT)
 			sci->sc_flush_request &= ~FLUSH_DAT_BIT;
 
 		/* re-enable timer if checkpoint creation was not done */
@@ -2472,30 +2465,37 @@ static void nilfs_segctor_notify(struct nilfs_sc_info *sci,
 	spin_unlock(&sci->sc_state_lock);
 }
 
-static int nilfs_segctor_construct(struct nilfs_sc_info *sci,
-				   struct nilfs_segctor_req *req)
+/**
+ * nilfs_segctor_construct - form logs and write them to disk
+ * @sci: segment constructor object
+ * @mode: mode of log forming
+ */
+static int nilfs_segctor_construct(struct nilfs_sc_info *sci, int mode)
 {
 	struct nilfs_sb_info *sbi = sci->sc_sbi;
 	struct the_nilfs *nilfs = sbi->s_nilfs;
 	int err = 0;
 
+	nilfs_segctor_accept(sci);
+
 	if (nilfs_discontinued(nilfs))
-		req->mode = SC_LSEG_SR;
-	if (!nilfs_segctor_confirm(sci)) {
-		err = nilfs_segctor_do_construct(sci, req->mode);
-		req->sc_err = err;
-	}
+		mode = SC_LSEG_SR;
+	if (!nilfs_segctor_confirm(sci))
+		err = nilfs_segctor_do_construct(sci, mode);
+
 	if (likely(!err)) {
-		if (req->mode != SC_FLUSH_DAT)
+		if (mode != SC_FLUSH_DAT)
 			atomic_set(&nilfs->ns_ndirtyblks, 0);
 		if (test_bit(NILFS_SC_SUPER_ROOT, &sci->sc_flags) &&
 		    nilfs_discontinued(nilfs)) {
 			down_write(&nilfs->ns_sem);
-			req->sb_err = nilfs_commit_super(sbi,
-					nilfs_altsb_need_update(nilfs));
+			err = nilfs_commit_super(
+				sbi, nilfs_altsb_need_update(nilfs));
 			up_write(&nilfs->ns_sem);
 		}
 	}
+
+	nilfs_segctor_notify(sci, mode, err);
 	return err;
 }
 
@@ -2526,7 +2526,6 @@ int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv,
 	struct nilfs_sc_info *sci = NILFS_SC(sbi);
 	struct the_nilfs *nilfs = sbi->s_nilfs;
 	struct nilfs_transaction_info ti;
-	struct nilfs_segctor_req req = { .mode = SC_LSEG_SR };
 	int err;
 
 	if (unlikely(!sci))
@@ -2547,10 +2546,8 @@ int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv,
 	list_splice_tail_init(&nilfs->ns_gc_inodes, &sci->sc_gc_inodes);
 
 	for (;;) {
-		nilfs_segctor_accept(sci, &req);
-		err = nilfs_segctor_construct(sci, &req);
+		err = nilfs_segctor_construct(sci, SC_LSEG_SR);
 		nilfs_remove_written_gcinodes(nilfs, &sci->sc_gc_inodes);
-		nilfs_segctor_notify(sci, &req);
 
 		if (likely(!err))
 			break;
@@ -2560,6 +2557,16 @@ int nilfs_clean_segments(struct super_block *sb, struct nilfs_argv *argv,
 		set_current_state(TASK_INTERRUPTIBLE);
 		schedule_timeout(sci->sc_interval);
 	}
+	if (nilfs_test_opt(sbi, DISCARD)) {
+		int ret = nilfs_discard_segments(nilfs, sci->sc_freesegs,
+						 sci->sc_nfreesegs);
+		if (ret) {
+			printk(KERN_WARNING
+			       "NILFS warning: error %d on discard request, "
+			       "turning discards off for the device\n", ret);
+			nilfs_clear_opt(sbi, DISCARD);
+		}
+	}
 
  out_unlock:
 	sci->sc_freesegs = NULL;
@@ -2573,13 +2580,9 @@ static void nilfs_segctor_thread_construct(struct nilfs_sc_info *sci, int mode)
 {
 	struct nilfs_sb_info *sbi = sci->sc_sbi;
 	struct nilfs_transaction_info ti;
-	struct nilfs_segctor_req req = { .mode = mode };
 
 	nilfs_transaction_lock(sbi, &ti, 0);
-
-	nilfs_segctor_accept(sci, &req);
-	nilfs_segctor_construct(sci, &req);
-	nilfs_segctor_notify(sci, &req);
+	nilfs_segctor_construct(sci, mode);
 
 	/*
 	 * Unclosed segment should be retried.  We do this using sc_timer.
@@ -2635,6 +2638,7 @@ static int nilfs_segctor_flush_mode(struct nilfs_sc_info *sci)
 static int nilfs_segctor_thread(void *arg)
 {
 	struct nilfs_sc_info *sci = (struct nilfs_sc_info *)arg;
+	struct the_nilfs *nilfs = sci->sc_sbi->s_nilfs;
 	struct timer_list timer;
 	int timeout = 0;
 
@@ -2680,7 +2684,6 @@ static int nilfs_segctor_thread(void *arg)
 	} else {
 		DEFINE_WAIT(wait);
 		int should_sleep = 1;
-		struct the_nilfs *nilfs;
 
 		prepare_to_wait(&sci->sc_wait_daemon, &wait,
 				TASK_INTERRUPTIBLE);
@@ -2701,8 +2704,8 @@ static int nilfs_segctor_thread(void *arg)
 		finish_wait(&sci->sc_wait_daemon, &wait);
 		timeout = ((sci->sc_state & NILFS_SEGCTOR_COMMIT) &&
 			   time_after_eq(jiffies, sci->sc_timer->expires));
-		nilfs = sci->sc_sbi->s_nilfs;
-		if (sci->sc_super->s_dirt && nilfs_sb_need_update(nilfs))
+
+		if (nilfs_sb_dirty(nilfs) && nilfs_sb_need_update(nilfs))
 			set_nilfs_discontinued(nilfs);
 	}
 	goto loop;
@@ -2797,12 +2800,9 @@ static void nilfs_segctor_write_out(struct nilfs_sc_info *sci)
 	do {
 		struct nilfs_sb_info *sbi = sci->sc_sbi;
 		struct nilfs_transaction_info ti;
-		struct nilfs_segctor_req req = { .mode = SC_LSEG_SR };
 
 		nilfs_transaction_lock(sbi, &ti, 0);
-		nilfs_segctor_accept(sci, &req);
-		ret = nilfs_segctor_construct(sci, &req);
-		nilfs_segctor_notify(sci, &req);
+		ret = nilfs_segctor_construct(sci, SC_LSEG_SR);
 		nilfs_transaction_unlock(sbi);
 
 	} while (ret && retrycount-- > 0);
@@ -2853,7 +2853,7 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci)
  * @sbi: nilfs_sb_info
  *
  * nilfs_attach_segment_constructor() allocates a struct nilfs_sc_info,
- * initilizes it, and starts the segment constructor.
+ * initializes it, and starts the segment constructor.
  *
  * Return Value: On success, 0 is returned. On error, one of the following
  * negative error code is returned.
@@ -2865,8 +2865,15 @@ int nilfs_attach_segment_constructor(struct nilfs_sb_info *sbi)
 	struct the_nilfs *nilfs = sbi->s_nilfs;
 	int err;
 
-	/* Each field of nilfs_segctor is cleared through the initialization
-	   of super-block info */
+	if (NILFS_SC(sbi)) {
+		/*
+		 * This happens if the filesystem was remounted
+		 * read/write after nilfs_error degenerated it into a
+		 * read-only mount.
+		 */
+		nilfs_detach_segment_constructor(sbi);
+	}
+
 	sbi->s_sc_info = nilfs_segctor_new(sbi);
 	if (!sbi->s_sc_info)
 		return -ENOMEM;
diff --git a/fs/nilfs2/segment.h b/fs/nilfs2/segment.h
index 3d3ab2f9864c..82dfd6a686b9 100644
--- a/fs/nilfs2/segment.h
+++ b/fs/nilfs2/segment.h
@@ -30,7 +30,7 @@
 #include "sb.h"
 
 /**
- * struct nilfs_recovery_info - Recovery infomation
+ * struct nilfs_recovery_info - Recovery information
  * @ri_need_recovery: Recovery status
  * @ri_super_root: Block number of the last super root
  * @ri_ri_cno: Number of the last checkpoint
@@ -71,7 +71,7 @@ struct nilfs_recovery_info {
  */
 struct nilfs_cstage {
 	int			scnt;
-	unsigned 		flags;
+	unsigned		flags;
 	struct nilfs_inode_info *dirty_file_ptr;
 	struct nilfs_inode_info *gc_inode_ptr;
 };
@@ -116,6 +116,7 @@ struct nilfs_segsum_pointer {
  * @sc_wait_daemon: Daemon wait queue
  * @sc_wait_task: Start/end wait queue to control segctord task
  * @sc_seq_request: Request counter
+ * @sc_seq_accept: Accepted request count
  * @sc_seq_done: Completion counter
  * @sc_sync: Request of explicit sync operation
  * @sc_interval: Timeout value of background construction
@@ -169,6 +170,7 @@ struct nilfs_sc_info {
 	wait_queue_head_t	sc_wait_task;
 
 	__u32			sc_seq_request;
+	__u32			sc_seq_accepted;
 	__u32			sc_seq_done;
 
 	int			sc_sync;
diff --git a/fs/nilfs2/sufile.c b/fs/nilfs2/sufile.c
index b6c36d0cc331..3c6cc6005c2e 100644
--- a/fs/nilfs2/sufile.c
+++ b/fs/nilfs2/sufile.c
@@ -18,7 +18,7 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  *
  * Written by Koji Sato <koji@osrg.net>.
- * Rivised by Ryusuke Konishi <ryusuke@osrg.net>.
+ * Revised by Ryusuke Konishi <ryusuke@osrg.net>.
  */
 
 #include <linux/kernel.h>
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 8173faee31e6..0cdbc5e7655a 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -96,9 +96,6 @@ void nilfs_error(struct super_block *sb, const char *function,
 	if (!(sb->s_flags & MS_RDONLY)) {
 		struct the_nilfs *nilfs = sbi->s_nilfs;
 
-		if (!nilfs_test_opt(sbi, ERRORS_CONT))
-			nilfs_detach_segment_constructor(sbi);
-
 		down_write(&nilfs->ns_sem);
 		if (!(nilfs->ns_mount_state & NILFS_ERROR_FS)) {
 			nilfs->ns_mount_state |= NILFS_ERROR_FS;
@@ -301,7 +298,7 @@ int nilfs_commit_super(struct nilfs_sb_info *sbi, int dupsb)
 		memcpy(sbp[1], sbp[0], nilfs->ns_sbsize);
 		nilfs->ns_sbwtime[1] = t;
 	}
-	sbi->s_super->s_dirt = 0;
+	clear_nilfs_sb_dirty(nilfs);
 	return nilfs_sync_super(sbi, dupsb);
 }
 
@@ -345,7 +342,7 @@ static int nilfs_sync_fs(struct super_block *sb, int wait)
 		err = nilfs_construct_segment(sb);
 
 	down_write(&nilfs->ns_sem);
-	if (sb->s_dirt)
+	if (nilfs_sb_dirty(nilfs))
 		nilfs_commit_super(sbi, 1);
 	up_write(&nilfs->ns_sem);
 
@@ -439,7 +436,7 @@ static int nilfs_statfs(struct dentry *dentry, struct kstatfs *buf)
 	/*
 	 * Compute the overhead
 	 *
-	 * When distributing meta data blocks outside semgent structure,
+	 * When distributing meta data blocks outside segment structure,
 	 * We must count them as the overhead.
 	 */
 	overhead = 0;
@@ -481,6 +478,8 @@ static int nilfs_show_options(struct seq_file *seq, struct vfsmount *vfs)
 		seq_printf(seq, ",order=strict");
 	if (nilfs_test_opt(sbi, NORECOVERY))
 		seq_printf(seq, ",norecovery");
+	if (nilfs_test_opt(sbi, DISCARD))
+		seq_printf(seq, ",discard");
 
 	return 0;
 }
@@ -550,7 +549,7 @@ static const struct export_operations nilfs_export_ops = {
 enum {
 	Opt_err_cont, Opt_err_panic, Opt_err_ro,
 	Opt_nobarrier, Opt_snapshot, Opt_order, Opt_norecovery,
-	Opt_err,
+	Opt_discard, Opt_err,
 };
 
 static match_table_t tokens = {
@@ -561,6 +560,7 @@ static match_table_t tokens = {
 	{Opt_snapshot, "cp=%u"},
 	{Opt_order, "order=%s"},
 	{Opt_norecovery, "norecovery"},
+	{Opt_discard, "discard"},
 	{Opt_err, NULL}
 };
 
@@ -614,6 +614,9 @@ static int parse_options(char *options, struct super_block *sb)
 		case Opt_norecovery:
 			nilfs_set_opt(sbi, NORECOVERY);
 			break;
+		case Opt_discard:
+			nilfs_set_opt(sbi, DISCARD);
+			break;
 		default:
 			printk(KERN_ERR
 			       "NILFS: Unrecognized mount option \"%s\"\n", p);
@@ -863,7 +866,7 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
 	if ((*flags & MS_RDONLY) &&
 	    sbi->s_snapshot_cno != old_opts.snapshot_cno) {
 		printk(KERN_WARNING "NILFS (device %s): couldn't "
-		       "remount to a different snapshot. \n",
+		       "remount to a different snapshot.\n",
 		       sb->s_id);
 		err = -EINVAL;
 		goto restore_opts;
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 6241e1722efc..33871f7e4f01 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -386,7 +386,7 @@ static int nilfs_store_disk_layout(struct the_nilfs *nilfs,
 
 	nilfs->ns_blocks_per_segment = le32_to_cpu(sbp->s_blocks_per_segment);
 	if (nilfs->ns_blocks_per_segment < NILFS_SEG_MIN_BLOCKS) {
-		printk(KERN_ERR "NILFS: too short segment. \n");
+		printk(KERN_ERR "NILFS: too short segment.\n");
 		return -EINVAL;
 	}
 
@@ -646,6 +646,44 @@ int init_nilfs(struct the_nilfs *nilfs, struct nilfs_sb_info *sbi, char *data)
 	goto out;
 }
 
+int nilfs_discard_segments(struct the_nilfs *nilfs, __u64 *segnump,
+			    size_t nsegs)
+{
+	sector_t seg_start, seg_end;
+	sector_t start = 0, nblocks = 0;
+	unsigned int sects_per_block;
+	__u64 *sn;
+	int ret = 0;
+
+	sects_per_block = (1 << nilfs->ns_blocksize_bits) /
+		bdev_logical_block_size(nilfs->ns_bdev);
+	for (sn = segnump; sn < segnump + nsegs; sn++) {
+		nilfs_get_segment_range(nilfs, *sn, &seg_start, &seg_end);
+
+		if (!nblocks) {
+			start = seg_start;
+			nblocks = seg_end - seg_start + 1;
+		} else if (start + nblocks == seg_start) {
+			nblocks += seg_end - seg_start + 1;
+		} else {
+			ret = blkdev_issue_discard(nilfs->ns_bdev,
+						   start * sects_per_block,
+						   nblocks * sects_per_block,
+						   GFP_NOFS,
+						   DISCARD_FL_BARRIER);
+			if (ret < 0)
+				return ret;
+			nblocks = 0;
+		}
+	}
+	if (nblocks)
+		ret = blkdev_issue_discard(nilfs->ns_bdev,
+					   start * sects_per_block,
+					   nblocks * sects_per_block,
+					   GFP_NOFS, DISCARD_FL_BARRIER);
+	return ret;
+}
+
 int nilfs_count_free_blocks(struct the_nilfs *nilfs, sector_t *nblocks)
 {
 	struct inode *dat = nilfs_dat_inode(nilfs);
diff --git a/fs/nilfs2/the_nilfs.h b/fs/nilfs2/the_nilfs.h
index 589786e33464..e9795f1724d7 100644
--- a/fs/nilfs2/the_nilfs.h
+++ b/fs/nilfs2/the_nilfs.h
@@ -38,6 +38,7 @@ enum {
 				   the latest checkpoint was loaded */
 	THE_NILFS_DISCONTINUED,	/* 'next' pointer chain has broken */
 	THE_NILFS_GC_RUNNING,	/* gc process is running */
+	THE_NILFS_SB_DIRTY,	/* super block is dirty */
 };
 
 /**
@@ -197,6 +198,7 @@ THE_NILFS_FNS(INIT, init)
 THE_NILFS_FNS(LOADED, loaded)
 THE_NILFS_FNS(DISCONTINUED, discontinued)
 THE_NILFS_FNS(GC_RUNNING, gc_running)
+THE_NILFS_FNS(SB_DIRTY, sb_dirty)
 
 /* Minimum interval of periodical update of superblocks (in seconds) */
 #define NILFS_SB_FREQ		10
@@ -221,6 +223,7 @@ struct the_nilfs *find_or_create_nilfs(struct block_device *);
 void put_nilfs(struct the_nilfs *);
 int init_nilfs(struct the_nilfs *, struct nilfs_sb_info *, char *);
 int load_nilfs(struct the_nilfs *, struct nilfs_sb_info *);
+int nilfs_discard_segments(struct the_nilfs *, __u64 *, size_t);
 int nilfs_count_free_blocks(struct the_nilfs *, sector_t *);
 struct nilfs_sb_info *nilfs_find_sbinfo(struct the_nilfs *, int, __u64);
 int nilfs_checkpoint_is_mounted(struct the_nilfs *, __u64, int);
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index a94e8bd8eb1f..472cdf29ef82 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -29,14 +29,12 @@
 #include <linux/init.h> /* module_init */
 #include <linux/inotify.h>
 #include <linux/kernel.h> /* roundup() */
-#include <linux/magic.h> /* superblock magic number */
-#include <linux/mount.h> /* mntget */
 #include <linux/namei.h> /* LOOKUP_FOLLOW */
-#include <linux/path.h> /* struct path */
 #include <linux/sched.h> /* struct user */
 #include <linux/slab.h> /* struct kmem_cache */
 #include <linux/syscalls.h>
 #include <linux/types.h>
+#include <linux/anon_inodes.h>
 #include <linux/uaccess.h>
 #include <linux/poll.h>
 #include <linux/wait.h>
@@ -45,8 +43,6 @@
 
 #include <asm/ioctls.h>
 
-static struct vfsmount *inotify_mnt __read_mostly;
-
 /* these are configurable via /proc/sys/fs/inotify/ */
 static int inotify_max_user_instances __read_mostly;
 static int inotify_max_queued_events __read_mostly;
@@ -645,9 +641,7 @@ SYSCALL_DEFINE1(inotify_init1, int, flags)
 {
 	struct fsnotify_group *group;
 	struct user_struct *user;
-	struct file *filp;
-	struct path path;
-	int fd, ret;
+	int ret;
 
 	/* Check the IN_* constants for consistency.  */
 	BUILD_BUG_ON(IN_CLOEXEC != O_CLOEXEC);
@@ -656,10 +650,6 @@ SYSCALL_DEFINE1(inotify_init1, int, flags)
 	if (flags & ~(IN_CLOEXEC | IN_NONBLOCK))
 		return -EINVAL;
 
-	fd = get_unused_fd_flags(flags & O_CLOEXEC);
-	if (fd < 0)
-		return fd;
-
 	user = get_current_user();
 	if (unlikely(atomic_read(&user->inotify_devs) >=
 			inotify_max_user_instances)) {
@@ -676,27 +666,14 @@ SYSCALL_DEFINE1(inotify_init1, int, flags)
 
 	atomic_inc(&user->inotify_devs);
 
-	path.mnt = inotify_mnt;
-	path.dentry = inotify_mnt->mnt_root;
-	path_get(&path);
-	filp = alloc_file(&path, FMODE_READ, &inotify_fops);
-	if (!filp)
-		goto Enfile;
+	ret = anon_inode_getfd("inotify", &inotify_fops, group,
+				  O_RDONLY | flags);
+	if (ret >= 0)
+		return ret;
 
-	filp->f_flags = O_RDONLY | (flags & O_NONBLOCK);
-	filp->private_data = group;
-
-	fd_install(fd, filp);
-
-	return fd;
-
-Enfile:
-	ret = -ENFILE;
-	path_put(&path);
 	atomic_dec(&user->inotify_devs);
 out_free_uid:
 	free_uid(user);
-	put_unused_fd(fd);
 	return ret;
 }
 
@@ -783,20 +760,6 @@ out:
 	return ret;
 }
 
-static int
-inotify_get_sb(struct file_system_type *fs_type, int flags,
-	       const char *dev_name, void *data, struct vfsmount *mnt)
-{
-	return get_sb_pseudo(fs_type, "inotify", NULL,
-			INOTIFYFS_SUPER_MAGIC, mnt);
-}
-
-static struct file_system_type inotify_fs_type = {
-    .name	= "inotifyfs",
-    .get_sb	= inotify_get_sb,
-    .kill_sb	= kill_anon_super,
-};
-
 /*
  * inotify_user_setup - Our initialization function.  Note that we cannnot return
  * error because we have compiled-in VFS hooks.  So an (unlikely) failure here
@@ -804,16 +767,6 @@ static struct file_system_type inotify_fs_type = {
  */
 static int __init inotify_user_setup(void)
 {
-	int ret;
-
-	ret = register_filesystem(&inotify_fs_type);
-	if (unlikely(ret))
-		panic("inotify: register_filesystem returned %d!\n", ret);
-
-	inotify_mnt = kern_mount(&inotify_fs_type);
-	if (IS_ERR(inotify_mnt))
-		panic("inotify: kern_mount ret %ld!\n", PTR_ERR(inotify_mnt));
-
 	inotify_inode_mark_cachep = KMEM_CACHE(inotify_inode_mark_entry, SLAB_PANIC);
 	event_priv_cachep = KMEM_CACHE(inotify_event_private_data, SLAB_PANIC);
 
diff --git a/fs/ntfs/ChangeLog b/fs/ntfs/ChangeLog
deleted file mode 100644
index 37c11e194372..000000000000
--- a/fs/ntfs/ChangeLog
+++ /dev/null
@@ -1,1702 +0,0 @@
-ToDo/Notes:
-	- Find and fix bugs.
-	- The only places in the kernel where a file is resized are
-	  ntfs_file_write*() and ntfs_truncate() for both of which i_mutex is
-	  held.  Just have to be careful in read-/writepage and other helpers
-	  not running under i_mutex that we play nice.  Also need to be careful
-	  with initialized_size extension in ntfs_file_write*() and writepage.
-	  UPDATE: The only things that need to be checked are the compressed
-	  write and the other attribute resize/write cases like index
-	  attributes, etc.  For now none of these are implemented so are safe.
-	- Implement filling in of holes in aops.c::ntfs_writepage() and its
-	  helpers.
-	- Implement mft.c::sync_mft_mirror_umount().  We currently will just
-	  leave the volume dirty on umount if the final iput(vol->mft_ino)
-	  causes a write of any mirrored mft records due to the mft mirror
-	  inode having been discarded already.  Whether this can actually ever
-	  happen is unclear however so it is worth waiting until someone hits
-	  the problem.
-
-2.1.29 - Fix a deadlock at mount time.
-
-	- During mount the VFS holds s_umount lock on the superblock.  So when
-	  we try to empty the journal $LogFile contents by calling
-	  ntfs_attr_set() when the machine does not have much memory and the
-	  journal is large ntfs_attr_set() results in the VM trying to balance
-	  dirty pages which in turn tries to that the s_umount lock and thus we
-	  get a deadlock.  The solution is to not use ntfs_attr_set() and
-	  instead do the zeroing by hand at the block level rather than page
-	  cache level.
-	- Fix sparse warnings.
-
-2.1.28 - Fix a deadlock.
-
-	- Fix deadlock in fs/ntfs/inode.c::ntfs_put_inode().  Thanks to Sergey
-	  Vlasov for the report and detailed analysis of the deadlock.  The fix
-	  involved getting rid of ntfs_put_inode() altogether and hence NTFS no
-	  longer has a ->put_inode super operation.
-
-2.1.27 - Various bug fixes and cleanups.
-
-	- Fix two compiler warnings on Alpha.  Thanks to Andrew Morton for
-	  reporting them.
-	- Fix an (innocent) off-by-one error in the runlist code.
-	- Fix a buggette in an "should be impossible" case handling where we
-	  continued the attribute lookup loop instead of aborting it.
-	- Use buffer_migrate_page() for the ->migratepage function of all ntfs
-	  address space operations.
-	- Fix comparison of $MFT and $MFTMirr to not bail out when there are
-	  unused, invalid mft records which are the same in both $MFT and
-	  $MFTMirr.
-	- Add support for sparse files which have a compression unit of 0.
-	- Remove all the make_bad_inode() calls.  This should only be called
-	  from read inode and new inode code paths.
-	- Limit name length in fs/ntfs/unistr.c::ntfs_nlstoucs() to maximum
-	  allowed by NTFS, i.e. 255 Unicode characters, not including the
-	  terminating NULL (which is not stored on disk).
-	- Improve comments on file attribute flags in fs/ntfs/layout.h.
-	- Fix a bug in fs/ntfs/inode.c::ntfs_read_locked_index_inode() where we
-	  forgot to update a temporary variable so loading index inodes which
-	  have an index allocation attribute failed.
-	- Add a missing call to flush_dcache_mft_record_page() in
-	  fs/ntfs/inode.c::ntfs_write_inode().
-	- Handle the recently introduced -ENAMETOOLONG return value from
-	  fs/ntfs/unistr.c::ntfs_nlstoucs() in fs/ntfs/namei.c::ntfs_lookup().
-	- Semaphore to mutex conversion.  (Ingo Molnar)
-
-2.1.26 - Minor bug fixes and updates.
-
-	- Fix a potential overflow in file.c where a cast to s64 was missing in
-	  a left shift of a page index.
-	- The struct inode has had its i_sem semaphore changed to a mutex named
-	  i_mutex.
-	- We have struct kmem_cache now so use it instead of the typedef
-	  kmem_cache_t.  (Pekka Enberg)
-	- Implement support for sector sizes above 512 bytes (up to the maximum
-	  supported by NTFS which is 4096 bytes).
-	- Do more detailed reporting of why we cannot mount read-write by
-	  special casing the VOLUME_MODIFIED_BY_CHKDSK flag.
-	- Miscellaneous updates to layout.h.
-	- Cope with attribute list attribute having invalid flags.  Windows
-	  copes with this and even chkdsk does not detect or fix this so we
-	  have to cope with it, too.  Thanks to Pawel Kot for reporting the
-	  problem.
-
-2.1.25 - (Almost) fully implement write(2) and truncate(2).
-
-	- Change ntfs_map_runlist_nolock(), ntfs_attr_find_vcn_nolock() and
-	  {__,}ntfs_cluster_free() to also take an optional attribute search
-	  context as argument.  This allows calling these functions with the
-	  mft record mapped.  Update all callers.
-	- Fix potential deadlock in ntfs_mft_data_extend_allocation_nolock()
-	  error handling by passing in the active search context when calling
-	  ntfs_cluster_free().
-	- Change ntfs_cluster_alloc() to take an extra boolean parameter
-	  specifying whether the cluster are being allocated to extend an
-	  attribute or to fill a hole.
-	- Change ntfs_attr_make_non_resident() to call ntfs_cluster_alloc()
-	  with @is_extension set to TRUE and remove the runlist terminator
-	  fixup code as this is now done by ntfs_cluster_alloc().
-	- Change ntfs_attr_make_non_resident to take the attribute value size
-	  as an extra parameter.  This is needed since we need to know the size
-	  before we can map the mft record and our callers always know it.  The
-	  reason we cannot simply read the size from the vfs inode i_size is
-	  that this is not necessarily uptodate.  This happens when
-	  ntfs_attr_make_non_resident() is called in the ->truncate call path.
-	- Fix ntfs_attr_make_non_resident() to update the vfs inode i_blocks
-	  which is zero for a resident attribute but should no longer be zero
-	  once the attribute is non-resident as it then has real clusters
-	  allocated.
-	- Add fs/ntfs/attrib.[hc]::ntfs_attr_extend_allocation(), a function to
-	  extend the allocation of an attributes.  Optionally, the data size,
-	  but not the initialized size can be extended, too.
-	- Implement fs/ntfs/inode.[hc]::ntfs_truncate().  It only supports
-	  uncompressed and unencrypted files and it never creates sparse files
-	  at least for the moment (making a file sparse requires us to modify
-	  its directory entries and we do not support directory operations at
-	  the moment).  Also, support for highly fragmented files, i.e. ones
-	  whose data attribute is split across multiple extents, is severly
-	  limited.  When such a case is encountered, EOPNOTSUPP is returned.
-	- Enable ATTR_SIZE attribute changes in ntfs_setattr().  This completes
-	  the initial implementation of file truncation.  Now both open(2)ing
-	  a file with the O_TRUNC flag and the {,f}truncate(2) system calls
-	  will resize a file appropriately.  The limitations are that only
-	  uncompressed and unencrypted files are supported.  Also, there is
-	  only very limited support for highly fragmented files (the ones whose
-	  $DATA attribute is split into multiple attribute extents).
-	- In attrib.c::ntfs_attr_set() call balance_dirty_pages_ratelimited()
-	  and cond_resched() in the main loop as we could be dirtying a lot of
-	  pages and this ensures we play nice with the VM and the system as a
-	  whole.
-	- Implement file operations ->write, ->aio_write, ->writev for regular
-	  files.  This replaces the old use of generic_file_write(), et al and
-	  the address space operations ->prepare_write and ->commit_write.
-	  This means that both sparse and non-sparse (unencrypted and
-	  uncompressed) files can now be extended using the normal write(2)
-	  code path.  There are two limitations at present and these are that
-	  we never create sparse files and that we only have limited support
-	  for highly fragmented files, i.e. ones whose data attribute is split
-	  across multiple extents.   When such a case is encountered,
-	  EOPNOTSUPP is returned.
-	- $EA attributes can be both resident and non-resident.
-	- Use %z for size_t to fix compilation warnings.  (Andrew Morton)
-	- Fix compilation warnings with gcc-4.0.2 on SUSE 10.0.
-	- Document extended attribute ($EA) NEED_EA flag.  (Based on libntfs
-	  patch by Yura Pakhuchiy.)
-
-2.1.24 - Lots of bug fixes and support more clean journal states.
-
-	- Support journals ($LogFile) which have been modified by chkdsk.  This
-	  means users can boot into Windows after we marked the volume dirty.
-	  The Windows boot will run chkdsk and then reboot.  The user can then
-	  immediately boot into Linux rather than having to do a full Windows
-	  boot first before rebooting into Linux and we will recognize such a
-	  journal and empty it as it is clean by definition.  Note, this only
-	  works if chkdsk left the journal in an obviously clean state.
-	- Support journals ($LogFile) with only one restart page as well as
-	  journals with two different restart pages.  We sanity check both and
-	  either use the only sane one or the more recent one of the two in the
-	  case that both are valid.
-	- Add fs/ntfs/malloc.h::ntfs_malloc_nofs_nofail() which is analogous to
-	  ntfs_malloc_nofs() but it performs allocations with __GFP_NOFAIL and
-	  hence cannot fail.
-	- Use ntfs_malloc_nofs_nofail() in the two critical regions in
-	  fs/ntfs/runlist.c::ntfs_runlists_merge().  This means we no longer
-	  need to panic() if the allocation fails as it now cannot fail.
-	- Fix two nasty runlist merging bugs that had gone unnoticed so far.
-	  Thanks to Stefano Picerno for the bug report.
-	- Remove two bogus BUG_ON()s from fs/ntfs/mft.c.
-	- Fix handling of valid but empty mapping pairs array in
-	  fs/ntfs/runlist.c::ntfs_mapping_pairs_decompress().
-	- Report unrepresentable inodes during ntfs_readdir() as KERN_WARNING
-	  messages and include the inode number.  Thanks to Yura Pakhuchiy for
-	  pointing this out.
-	- Change ntfs_rl_truncate_nolock() to throw away the runlist if the new
-	  length is zero.
-	- Add runlist.[hc]::ntfs_rl_punch_nolock() which punches a caller
-	  specified hole into a runlist.
-	- Fix a bug in fs/ntfs/index.c::ntfs_index_lookup().  When the returned
-	  index entry is in the index root, we forgot to set the @ir pointer in
-	  the index context.  Thanks to Yura Pakhuchiy for finding this bug.
-	- Remove bogus setting of PageError in ntfs_read_compressed_block().
-	- Add fs/ntfs/attrib.[hc]::ntfs_resident_attr_value_resize().
-	- Fix a bug in ntfs_map_runlist_nolock() where we forgot to protect
-	  access to the allocated size in the ntfs inode with the size lock.
-	- Fix ntfs_attr_vcn_to_lcn_nolock() and ntfs_attr_find_vcn_nolock() to
-	  return LCN_ENOENT when there is no runlist and the allocated size is
-	  zero.
-	- Fix load_attribute_list() to handle the case of a NULL runlist.
-	- Fix handling of sparse attributes in ntfs_attr_make_non_resident().
-	- Add BUG() checks to ntfs_attr_make_non_resident() and ntfs_attr_set()
-	  to ensure that these functions are never called for compressed or
-	  encrypted attributes.
-	- Fix cluster (de)allocators to work when the runlist is NULL and more
-	  importantly to take a locked runlist rather than them locking it
-	  which leads to lock reversal.
-	- Truncate {a,c,m}time to the ntfs supported time granularity when
-	  updating the times in the inode in ntfs_setattr().
-	- Fixup handling of sparse, compressed, and encrypted attributes in
-	  fs/ntfs/inode.c::ntfs_read_locked_{,attr_,index_}inode(),
-	  fs/ntfs/aops.c::ntfs_{read,write}page().
-	- Make ntfs_write_block() not instantiate sparse blocks if they contain
-	  only zeroes.
-	- Optimize fs/ntfs/aops.c::ntfs_write_block() by extending the page
-	  lock protection over the buffer submission for i/o which allows the
-	  removal of the get_bh()/put_bh() pairs for each buffer.
-	- Fix fs/ntfs/aops.c::ntfs_{read,write}_block() to handle the case
-	  where a concurrent truncate has truncated the runlist under our feet.
-	- Fix page_has_buffers()/page_buffers() handling in fs/ntfs/aops.c.
-	- In fs/ntfs/aops.c::ntfs_end_buffer_async_read(), use a bit spin lock
-	  in the first buffer head instead of a driver global spin lock to
-	  improve scalability.
-	- Minor fix to error handling and error message display in
-	  fs/ntfs/aops.c::ntfs_prepare_nonresident_write().
-	- Change the mount options {u,f,d}mask to always parse the number as
-	  an octal number to conform to how chmod(1) works, too.  Thanks to
-	  Giuseppe Bilotta and Horst von Brand for pointing out the errors of
-	  my ways.
-	- Fix various bugs in the runlist merging code.  (Based on libntfs
-	  changes by Richard Russon.)
-	- Fix sparse warnings that have crept in over time.
-	- Change ntfs_cluster_free() to require a write locked runlist on entry
-	  since we otherwise get into a lock reversal deadlock if a read locked
-	  runlist is passed in. In the process also change it to take an ntfs
-	  inode instead of a vfs inode as parameter.
-	- Fix the definition of the CHKD ntfs record magic.  It had an off by
-	  two error causing it to be CHKB instead of CHKD.
-	- Fix a stupid bug in __ntfs_bitmap_set_bits_in_run() which caused the
-	  count to become negative and hence we had a wild memset() scribbling
-	  all over the system's ram.
-
-2.1.23 - Implement extension of resident files and make writing safe as well as
-	 many bug fixes, cleanups, and enhancements...
-
-	- Add printk rate limiting for ntfs_warning() and ntfs_error() when
-	  compiled without debug.  This avoids a possible denial of service
-	  attack.  Thanks to Carl-Daniel Hailfinger from SuSE for pointing this
-	  out.
-	- Fix compilation warnings on ia64.  (Randy Dunlap)
-	- Use i_size_{read,write}() instead of reading i_size by hand and cache
-	  the value where apropriate.
-	- Add size_lock to the ntfs_inode structure.  This is an rw spinlock
-	  and it locks against access to the inode sizes.  Note, ->size_lock
-	  is also accessed from irq context so you must use the _irqsave and
-	  _irqrestore lock and unlock functions, respectively.  Protect all
-	  accesses to allocated_size, initialized_size, and compressed_size.
-	- Minor optimization to fs/ntfs/super.c::ntfs_statfs() and its helpers.
-	- Implement extension of resident files in the regular file write code
-	  paths (fs/ntfs/aops.c::ntfs_{prepare,commit}_write()).  At present
-	  this only works until the data attribute becomes too big for the mft
-	  record after which we abort the write returning -EOPNOTSUPP from
-	  ntfs_prepare_write().
-	- Add disable_sparse mount option together with a per volume sparse
-	  enable bit which is set appropriately and a per inode sparse disable
-	  bit which is preset on some system file inodes as appropriate.
-	- Enforce that sparse support is disabled on NTFS volumes pre 3.0.
-	- Fix a bug in fs/ntfs/runlist.c::ntfs_mapping_pairs_decompress() in
-	  the creation of the unmapped runlist element for the base attribute
-	  extent.
-	- Split ntfs_map_runlist() into ntfs_map_runlist() and a non-locking
-	  helper ntfs_map_runlist_nolock() which is used by ntfs_map_runlist().
-	  This allows us to map runlist fragments with the runlist lock already
-	  held without having to drop and reacquire it around the call.  Adapt
-	  all callers.
-	- Change ntfs_find_vcn() to ntfs_find_vcn_nolock() which takes a locked
-	  runlist.  This allows us to find runlist elements with the runlist
-	  lock already held without having to drop and reacquire it around the
-	  call.  Adapt all callers.
-	- Change time to u64 in time.h::ntfs2utc() as it otherwise generates a
-	  warning in the do_div() call on sparc32.  Thanks to Meelis Roos for
-	  the report and analysis of the warning.
-	- Fix a nasty runlist merge bug when merging two holes.
-	- Set the ntfs_inode->allocated_size to the real allocated size in the
-	  mft record for resident attributes (fs/ntfs/inode.c).
-	- Small readability cleanup to use "a" instead of "ctx->attr"
-	  everywhere (fs/ntfs/inode.c).
-	- Make fs/ntfs/namei.c::ntfs_get_{parent,dentry} static and move the
-	  definition of ntfs_export_ops from fs/ntfs/super.c to namei.c.  Also,
-	  declare ntfs_export_ops in fs/ntfs/ntfs.h.
-	- Correct sparse file handling.  The compressed values need to be
-	  checked and set in the ntfs inode as done for compressed files and
-	  the compressed size needs to be used for vfs inode->i_blocks instead
-	  of the allocated size, again, as done for compressed files.
-	- Add AT_EA in addition to AT_DATA to whitelist for being allowed to be
-	  non-resident in fs/ntfs/attrib.c::ntfs_attr_can_be_non_resident().
-	- Add fs/ntfs/attrib.c::ntfs_attr_vcn_to_lcn_nolock() used by the new
-	  write code.
-	- Fix bug in fs/ntfs/attrib.c::ntfs_find_vcn_nolock() where after
-	  dropping the read lock and taking the write lock we were not checking
-	  whether someone else did not already do the work we wanted to do.
-	- Rename fs/ntfs/attrib.c::ntfs_find_vcn_nolock() to
-	  ntfs_attr_find_vcn_nolock() and update all callers.
-	- Add fs/ntfs/attrib.[hc]::ntfs_attr_make_non_resident().
-	- Fix sign of various error return values to be negative in
-	  fs/ntfs/lcnalloc.c.
-	- Modify ->readpage and ->writepage (fs/ntfs/aops.c) so they detect and
-	  handle the case where an attribute is converted from resident to
-	  non-resident by a concurrent file write.
-	- Remove checks for NULL before calling kfree() since kfree() does the
-	  checking itself.  (Jesper Juhl)
-	- Some utilities modify the boot sector but do not update the checksum.
-	  Thus, relax the checking in fs/ntfs/super.c::is_boot_sector_ntfs() to
-	  only emit a warning when the checksum is incorrect rather than
-	  refusing the mount.  Thanks to Bernd Casimir for pointing this
-	  problem out.
-	- Update attribute definition handling.
-	- Add NTFS_MAX_CLUSTER_SIZE and NTFS_MAX_PAGES_PER_CLUSTER constants.
-	- Use NTFS_MAX_CLUSTER_SIZE in super.c instead of hard coding 0x10000.
-	- Use MAX_BUF_PER_PAGE instead of variable sized array allocation for
-	  better code generation and one less sparse warning in fs/ntfs/aops.c.
-	- Remove spurious void pointer casts from fs/ntfs/.  (Pekka Enberg)
-	- Use C99 style structure initialization after memory allocation where
-	  possible (fs/ntfs/{attrib.c,index.c,super.c}).  Thanks to Al Viro and
-	  Pekka Enberg.
-	- Stamp the transaction log ($UsnJrnl), aka user space journal, if it
-	  is active on the volume and we are mounting read-write or remounting
-	  from read-only to read-write.
-	- Fix a bug in address space operations error recovery code paths where
-	  if the runlist was not mapped at all and a mapping error occured we
-	  would leave the runlist locked on exit to the function so that the
-	  next access to the same file would try to take the lock and deadlock.
-	- Detect the case when Windows has been suspended to disk on the volume
-	  to be mounted and if this is the case do not allow (re)mounting
-	  read-write.  This is done by parsing hiberfil.sys if present.
-	- Fix several occurences of a bug where we would perform 'var & ~const'
-	  with a 64-bit variable and a int, i.e. 32-bit, constant.  This causes
-	  the higher order 32-bits of the 64-bit variable to be zeroed.  To fix
-	  this cast the 'const' to the same 64-bit type as 'var'.
-	- Change the runlist terminator of the newly allocated cluster(s) to
-	  LCN_ENOENT in ntfs_attr_make_non_resident().  Otherwise the runlist
-	  code gets confused.
-	- Add an extra parameter @last_vcn to ntfs_get_size_for_mapping_pairs()
-	  and ntfs_mapping_pairs_build() to allow the runlist encoding to be
-	  partial which is desirable when filling holes in sparse attributes.
-	  Update all callers.
-	- Change ntfs_map_runlist_nolock() to only decompress the mapping pairs
-	  if the requested vcn is inside it.  Otherwise we get into problems
-	  when we try to map an out of bounds vcn because we then try to map
-	  the already mapped runlist fragment which causes
-	  ntfs_mapping_pairs_decompress() to fail and return error.  Update
-	  ntfs_attr_find_vcn_nolock() accordingly.
-	- Fix a nasty deadlock that appeared in recent kernels.
-	  The situation: VFS inode X on a mounted ntfs volume is dirty.  For
-	  same inode X, the ntfs_inode is dirty and thus corresponding on-disk
-	  inode, i.e. mft record, which is in a dirty PAGE_CACHE_PAGE belonging
-	  to the table of inodes, i.e. $MFT, inode 0.
-	  What happens:
-	  Process 1: sys_sync()/umount()/whatever...  calls
-	  __sync_single_inode() for $MFT -> do_writepages() -> write_page for
-	  the dirty page containing the on-disk inode X, the page is now locked
-	  -> ntfs_write_mst_block() which clears PageUptodate() on the page to
-	  prevent anyone else getting hold of it whilst it does the write out.
-	  This is necessary as the on-disk inode needs "fixups" applied before
-	  the write to disk which are removed again after the write and
-	  PageUptodate is then set again.  It then analyses the page looking
-	  for dirty on-disk inodes and when it finds one it calls
-	  ntfs_may_write_mft_record() to see if it is safe to write this
-	  on-disk inode.  This then calls ilookup5() to check if the
-	  corresponding VFS inode is in icache().  This in turn calls ifind()
-	  which waits on the inode lock via wait_on_inode whilst holding the
-	  global inode_lock.
-	  Process 2: pdflush results in a call to __sync_single_inode for the
-	  same VFS inode X on the ntfs volume.  This locks the inode (I_LOCK)
-	  then calls write-inode -> ntfs_write_inode -> map_mft_record() ->
-	  read_cache_page() for the page (in page cache of table of inodes
-	  $MFT, inode 0) containing the on-disk inode.  This page has
-	  PageUptodate() clear because of Process 1 (see above) so
-	  read_cache_page() blocks when it tries to take the page lock for the
-	  page so it can call ntfs_read_page().
-	  Thus Process 1 is holding the page lock on the page containing the
-	  on-disk inode X and it is waiting on the inode X to be unlocked in
-	  ifind() so it can write the page out and then unlock the page.
-	  And Process 2 is holding the inode lock on inode X and is waiting for
-	  the page to be unlocked so it can call ntfs_readpage() or discover
-	  that Process 1 set PageUptodate() again and use the page.
-	  Thus we have a deadlock due to ifind() waiting on the inode lock.
-	  The solution: The fix is to use the newly introduced
-	  ilookup5_nowait() which does not wait on the inode's lock and hence
-	  avoids the deadlock.  This is safe as we do not care about the VFS
-	  inode and only use the fact that it is in the VFS inode cache and the
-	  fact that the vfs and ntfs inodes are one struct in memory to find
-	  the ntfs inode in memory if present.  Also, the ntfs inode has its
-	  own locking so it does not matter if the vfs inode is locked.
-	- Fix bug in mft record writing where we forgot to set the device in
-	  the buffers when mapping them after the VM had discarded them.
-	  Thanks to Martin MOKREJÃ… for the bug report.
-
-2.1.22 - Many bug and race fixes and error handling improvements.
-
-	- Improve error handling in fs/ntfs/inode.c::ntfs_truncate().
-	- Change fs/ntfs/inode.c::ntfs_truncate() to return an error code
-	  instead of void and provide a helper ntfs_truncate_vfs() for the
-	  vfs ->truncate method.
-	- Add a new ntfs inode flag NInoTruncateFailed() and modify
-	  fs/ntfs/inode.c::ntfs_truncate() to set and clear it appropriately.
-	- Fix min_size and max_size definitions in ATTR_DEF structure in
-	  fs/ntfs/layout.h to be signed.
-	- Add attribute definition handling helpers to fs/ntfs/attrib.[hc]:
-	  ntfs_attr_size_bounds_check(), ntfs_attr_can_be_non_resident(), and
-	  ntfs_attr_can_be_resident(), which in turn use the new private helper
-	  ntfs_attr_find_in_attrdef().
-	- In fs/ntfs/aops.c::mark_ntfs_record_dirty(), take the
-	  mapping->private_lock around the dirtying of the buffer heads
-	  analagous to the way it is done in __set_page_dirty_buffers().
-	- Ensure the mft record size does not exceed the PAGE_CACHE_SIZE at
-	  mount time as this cannot work with the current implementation.
-	- Check for location of attribute name and improve error handling in
-	  general in fs/ntfs/inode.c::ntfs_read_locked_inode() and friends.
-	- In fs/ntfs/aops.c::ntfs_writepage(), if the page is fully outside
-	  i_size, i.e. race with truncate, invalidate the buffers on the page
-	  so that they become freeable and hence the page does not leak.
-	- Remove unused function fs/ntfs/runlist.c::ntfs_rl_merge().  (Adrian
-	  Bunk)
-	- Fix stupid bug in fs/ntfs/attrib.c::ntfs_attr_find() that resulted in
-	  a NULL pointer dereference in the error code path when a corrupt
-	  attribute was found.  (Thanks to Domen Puncer for the bug report.)
-	- Add MODULE_VERSION() to fs/ntfs/super.c.
-	- Make several functions and variables static.  (Adrian Bunk)
-	- Modify fs/ntfs/aops.c::mark_ntfs_record_dirty() so it allocates
-	  buffers for the page if they are not present and then marks the
-	  buffers belonging to the ntfs record dirty.  This causes the buffers
-	  to become busy and hence they are safe from removal until the page
-	  has been written out.
-	- Fix stupid bug in fs/ntfs/attrib.c::ntfs_external_attr_find() in the
-	  error handling code path that resulted in a BUG() due to trying to
-	  unmap an extent mft record when the mapping of it had failed and it
-	  thus was not mapped.  (Thanks to Ken MacFerrin for the bug report.)
-	- Drop the runlist lock after the vcn has been read in
-	  fs/ntfs/lcnalloc.c::__ntfs_cluster_free().
-	- Rewrite handling of multi sector transfer errors.  We now do not set
-	  PageError() when such errors are detected in the async i/o handler
-	  fs/ntfs/aops.c::ntfs_end_buffer_async_read().  All users of mst
-	  protected attributes now check the magic of each ntfs record as they
-	  use it and act appropriately.  This has the effect of making errors
-	  granular per ntfs record rather than per page which solves the case
-	  where we cannot access any of the ntfs records in a page when a
-	  single one of them had an mst error.  (Thanks to Ken MacFerrin for
-	  the bug report.)
-	- Fix error handling in fs/ntfs/quota.c::ntfs_mark_quotas_out_of_date()
-	  where we failed to release i_mutex on the $Quota/$Q attribute inode.
-	- Fix bug in handling of bad inodes in fs/ntfs/namei.c::ntfs_lookup().
-	- Add mapping of unmapped buffers to all remaining code paths, i.e.
-	  fs/ntfs/aops.c::ntfs_write_mst_block(), mft.c::ntfs_sync_mft_mirror(),
-	  and write_mft_record_nolock().  From now on we require that the
-	  complete runlist for the mft mirror is always mapped into memory.
-	- Add creation of buffers to fs/ntfs/mft.c::ntfs_sync_mft_mirror().
-	- Improve error handling in fs/ntfs/aops.c::ntfs_{read,write}_block().
-	- Cleanup fs/ntfs/aops.c::ntfs_{read,write}page() since we know that a
-	  resident attribute will be smaller than a page which makes the code
-	  simpler.  Also make the code more tolerant to concurrent ->truncate.
-
-2.1.21 - Fix some races and bugs, rewrite mft write code, add mft allocator.
-
-	- Implement extent mft record deallocation
-	  fs/ntfs/mft.c::ntfs_extent_mft_record_free().
-	- Splitt runlist related functions off from attrib.[hc] to runlist.[hc].
-	- Add vol->mft_data_pos and initialize it at mount time.
-	- Rename init_runlist() to ntfs_init_runlist(), ntfs_vcn_to_lcn() to
-	  ntfs_rl_vcn_to_lcn(), decompress_mapping_pairs() to
-	  ntfs_mapping_pairs_decompress(), ntfs_merge_runlists() to
-	  ntfs_runlists_merge() and adapt all callers.
-	- Add fs/ntfs/runlist.[hc]::ntfs_get_nr_significant_bytes(),
-	  ntfs_get_size_for_mapping_pairs(), ntfs_write_significant_bytes(),
-	  and ntfs_mapping_pairs_build(), adapted from libntfs.
-	- Make fs/ntfs/lcnalloc.c::ntfs_cluster_free_from_rl_nolock() not
-	  static and add a declaration for it to lcnalloc.h.
-	- Add fs/ntfs/lcnalloc.h::ntfs_cluster_free_from_rl() which is a static
-	  inline wrapper for ntfs_cluster_free_from_rl_nolock() which takes the
-	  cluster bitmap lock for the duration of the call.
-	- Add fs/ntfs/attrib.[hc]::ntfs_attr_record_resize().
-	- Implement the equivalent of memset() for an ntfs attribute in
-	  fs/ntfs/attrib.[hc]::ntfs_attr_set() and switch
-	  fs/ntfs/logfile.c::ntfs_empty_logfile() to using it.
-	- Remove unnecessary casts from LCN_* constants.
-	- Implement fs/ntfs/runlist.c::ntfs_rl_truncate_nolock().
-	- Add MFT_RECORD_OLD as a copy of MFT_RECORD in fs/ntfs/layout.h and
-	  change MFT_RECORD to contain the NTFS 3.1+ specific fields.
-	- Add a helper function fs/ntfs/aops.c::mark_ntfs_record_dirty() which
-	  marks all buffers belonging to an ntfs record dirty, followed by
-	  marking the page the ntfs record is in dirty and also marking the vfs
-	  inode containing the ntfs record dirty (I_DIRTY_PAGES).
-	- Switch fs/ntfs/index.h::ntfs_index_entry_mark_dirty() to using the
-	  new helper fs/ntfs/aops.c::mark_ntfs_record_dirty() and remove the no
-	  longer needed fs/ntfs/index.[hc]::__ntfs_index_entry_mark_dirty().
-	- Move ntfs_{un,}map_page() from ntfs.h to aops.h and fix resulting
-	  include errors.
-	- Move the typedefs for runlist_element and runlist from types.h to
-	  runlist.h and fix resulting include errors.
-	- Remove unused {__,}format_mft_record() from fs/ntfs/mft.c.
-	- Modify fs/ntfs/mft.c::__mark_mft_record_dirty() to use the helper
-	  mark_ntfs_record_dirty() which also changes the behaviour in that we
-	  now set the buffers belonging to the mft record dirty as well as the
-	  page itself.
-	- Update fs/ntfs/mft.c::write_mft_record_nolock() and sync_mft_mirror()
-	  to cope with the fact that there now are dirty buffers in mft pages.
-	- Update fs/ntfs/inode.c::ntfs_write_inode() to also use the helper
-	  mark_ntfs_record_dirty() and thus to set the buffers belonging to the
-	  mft record dirty as well as the page itself.
-	- Fix compiler warnings on x86-64 in fs/ntfs/dir.c.  (Randy Dunlap,
-	  slightly modified by me)
-	- Add fs/ntfs/mft.c::try_map_mft_record() which fails with -EALREADY if
-	  the mft record is already locked and otherwise behaves the same way
-	  as fs/ntfs/mft.c::map_mft_record().
-	- Modify fs/ntfs/mft.c::write_mft_record_nolock() so that it only
-	  writes the mft record if the buffers belonging to it are dirty.
-	  Otherwise we assume that it was written out by other means already.
-	- Attempting to write outside initialized size is _not_ a bug so remove
-	  the bug check from fs/ntfs/aops.c::ntfs_write_mst_block().  It is in
-	  fact required to write outside initialized size when preparing to
-	  extend the initialized size.
-	- Map the page instead of using page_address() before writing to it in
-	  fs/ntfs/aops.c::ntfs_mft_writepage().
-	- Provide exclusion between opening an inode / mapping an mft record
-	  and accessing the mft record in fs/ntfs/mft.c::ntfs_mft_writepage()
-	  by setting the page not uptodate throughout ntfs_mft_writepage().
-	- Clear the page uptodate flag in fs/ntfs/aops.c::ntfs_write_mst_block()
-	  to ensure noone can see the page whilst the mst fixups are applied.
-	- Add the helper fs/ntfs/mft.c::ntfs_may_write_mft_record() which
-	  checks if an mft record may be written out safely obtaining any
-	  necessary locks in the process.  This is used by
-	  fs/ntfs/aops.c::ntfs_write_mst_block().
-	- Modify fs/ntfs/aops.c::ntfs_write_mst_block() to also work for
-	  writing mft records and improve its error handling in the process.
-	  Now if any of the records in the page fail to be written out, all
-	  other records will be written out instead of aborting completely.
-	- Remove ntfs_mft_aops and update all users to use ntfs_mst_aops.
-	- Modify fs/ntfs/inode.c::ntfs_read_locked_inode() to set the
-	  ntfs_mst_aops for all inodes which are NInoMstProtected() and
-	  ntfs_aops for all other inodes.
-	- Rename fs/ntfs/mft.c::sync_mft_mirror{,_umount}() to
-	  ntfs_sync_mft_mirror{,_umount}() and change their parameters so they
-	  no longer require an ntfs inode to be present.  Update all callers.
-	- Cleanup the error handling in fs/ntfs/mft.c::ntfs_sync_mft_mirror().
-	- Clear the page uptodate flag in fs/ntfs/mft.c::ntfs_sync_mft_mirror()
-	  to ensure noone can see the page whilst the mst fixups are applied.
-	- Remove the no longer needed fs/ntfs/mft.c::ntfs_mft_writepage() and
-	  fs/ntfs/mft.c::try_map_mft_record().
-	- Fix callers of fs/ntfs/aops.c::mark_ntfs_record_dirty() to call it
-	  with the ntfs inode which contains the page rather than the ntfs
-	  inode the mft record of which is in the page.
-	- Fix race condition in fs/ntfs/inode.c::ntfs_put_inode() by moving the
-	  index inode bitmap inode release code from there to
-	  fs/ntfs/inode.c::ntfs_clear_big_inode().  (Thanks to Christoph
-	  Hellwig for spotting this.)
-	- Fix race condition in fs/ntfs/inode.c::ntfs_put_inode() by taking the
-	  inode semaphore around the code that sets ni->itype.index.bmp_ino to
-	  NULL and reorganize the code to optimize it a bit.  (Thanks to
-	  Christoph Hellwig for spotting this.)
-	- Modify fs/ntfs/aops.c::mark_ntfs_record_dirty() to no longer take the
-	  ntfs inode as a parameter as this is confusing and misleading and the
-	  needed ntfs inode is available via NTFS_I(page->mapping->host).
-	  Adapt all callers to this change.
-	- Modify fs/ntfs/mft.c::write_mft_record_nolock() and
-	  fs/ntfs/aops.c::ntfs_write_mst_block() to only check the dirty state
-	  of the first buffer in a record and to take this as the ntfs record
-	  dirty state.  We cannot look at the dirty state for subsequent
-	  buffers because we might be racing with
-	  fs/ntfs/aops.c::mark_ntfs_record_dirty().
-	- Move the static inline ntfs_init_big_inode() from fs/ntfs/inode.c to
-	  inode.h and make fs/ntfs/inode.c::__ntfs_init_inode() non-static and
-	  add a declaration for it to inode.h.  Fix some compilation issues
-	  that resulted due to #includes and header file interdependencies.
-	- Simplify setup of i_mode in fs/ntfs/inode.c::ntfs_read_locked_inode().
-	- Add helpers fs/ntfs/layout.h::MK_MREF() and MK_LE_MREF().
-	- Modify fs/ntfs/mft.c::map_extent_mft_record() to only verify the mft
-	  record sequence number if it is specified (i.e. not zero).
-	- Add fs/ntfs/mft.[hc]::ntfs_mft_record_alloc() and various helper
-	  functions used by it.
-	- Update Documentation/filesystems/ntfs.txt with instructions on how to
-	  use the Device-Mapper driver with NTFS ftdisk/LDM raid.  This removes
-	  the linear raid problem with the Software RAID / MD driver when one
-	  or more of the devices has an odd number of sectors.
-
-2.1.20 - Fix two stupid bugs introduced in 2.1.18 release.
-
-	- Fix stupid bug in fs/ntfs/attrib.c::ntfs_attr_reinit_search_ctx()
-	  where we did not clear ctx->al_entry but it was still set due to
-	  changes in ntfs_attr_lookup() and ntfs_external_attr_find() in
-	  particular.
-	- Fix another stupid bug in fs/ntfs/attrib.c::ntfs_external_attr_find()
-	  where we forgot to unmap the extent mft record when we had finished
-	  enumerating an attribute which caused a bug check to trigger when the
-	  VFS calls ->clear_inode.
-
-2.1.19 - Many cleanups, improvements, and a minor bug fix.
-
-	- Update ->setattr (fs/ntfs/inode.c::ntfs_setattr()) to refuse to
-	  change the uid, gid, and mode of an inode as we do not support NTFS
-	  ACLs yet.
-	- Remove BKL use from ntfs_setattr() syncing up with the rest of the
-	  kernel.
-	- Get rid of the ugly transparent union in fs/ntfs/dir.c::ntfs_readdir()
-	  and ntfs_filldir() as per suggestion from Al Viro.
-	- Change '\0' and L'\0' to simply 0 as per advice from Linus Torvalds.
-	- Update ->truncate (fs/ntfs/inode.c::ntfs_truncate()) to check if the
-	  inode size has changed and to only output an error if so.
-	- Rename fs/ntfs/attrib.h::attribute_value_length() to ntfs_attr_size().
-	- Add le{16,32,64} as well as sle{16,32,64} data types to
-	  fs/ntfs/types.h.
-	- Change ntfschar to be le16 instead of u16 in fs/ntfs/types.h.
-	- Add le versions of VCN, LCN, and LSN called leVCN, leLCN, and leLSN,
-	  respectively, to fs/ntfs/types.h.
-	- Update endianness conversion macros in fs/ntfs/endian.h to use the
-	  new types as appropriate.
-	- Do proper type casting when using sle64_to_cpup() in fs/ntfs/dir.c
-	  and index.c.
-	- Add leMFT_REF data type to fs/ntfs/layout.h.
-	- Update all NTFS header files with the new little endian data types.
-	  Affected files are fs/ntfs/layout.h, logfile.h, and time.h.
-	- Do proper type casting when using ntfs_is_*_recordp() in
-	  fs/ntfs/logfile.c, mft.c, and super.c. 
-	- Fix all the sparse bitwise warnings.  Had to change all the typedef
-	  enums storing little endian values to simple enums plus a typedef for
-	  the datatype to make sparse happy.
-	- Fix a bug found by the new sparse bitwise warnings where the default
-	  upcase table was defined as a pointer to wchar_t rather than ntfschar
-	  in fs/ntfs/ntfs.h and super.c.
-	- Change {const_,}cpu_to_le{16,32}(0) to just 0 as suggested by Al Viro.
-
-2.1.18 - Fix scheduling latencies at mount time as well as an endianness bug.
-
-	- Remove vol->nr_mft_records as it was pretty meaningless and optimize
-	  the calculation of total/free inodes as used by statfs().
-	- Fix scheduling latencies in ntfs_fill_super() by dropping the BKL
-	  because the code itself is using the ntfs_lock semaphore which
-	  provides safe locking.  (Ingo Molnar)
-	- Fix a potential bug in fs/ntfs/mft.c::map_extent_mft_record() that
-	  could occur in the future for when we start closing/freeing extent
-	  inodes if we don't set base_ni->ext.extent_ntfs_inos to NULL after
-	  we free it.
-	- Rename {find,lookup}_attr() to ntfs_attr_{find,lookup}() as well as
-	  find_external_attr() to ntfs_external_attr_find() to cleanup the
-	  namespace a bit and to be more consistent with libntfs.
-	- Rename {{re,}init,get,put}_attr_search_ctx() to
-	  ntfs_attr_{{re,}init,get,put}_search_ctx() as well as the type
-	  attr_search_context to ntfs_attr_search_ctx.
-	- Force use of ntfs_attr_find() in ntfs_attr_lookup() when searching
-	  for the attribute list attribute itself.
-	- Fix endianness bug in ntfs_external_attr_find().
-	- Change ntfs_{external_,}attr_find() to return 0 on success, -ENOENT
-	  if the attribute is not found, and -EIO on real error.  In the case
-	  of -ENOENT, the search context is updated to describe the attribute
-	  before which the attribute being searched for would need to be
-	  inserted if such an action were to be desired and in the case of
-	  ntfs_external_attr_find() the search context is also updated to
-	  indicate the attribute list entry before which the attribute list
-	  entry of the attribute being searched for would need to be inserted
-	  if such an action were to be desired.  Also make ntfs_find_attr()
-	  static and remove its prototype from attrib.h as it is not used
-	  anywhere other than attrib.c.  Update ntfs_attr_lookup() and all
-	  callers of ntfs_{external,}attr_{find,lookup}() for the new return
-	  values.
-	- Minor cleanup of fs/ntfs/inode.c::ntfs_init_locked_inode().
-
-2.1.17 - Fix bugs in mount time error code paths and other updates.
-
-	- Implement bitmap modification code (fs/ntfs/bitmap.[hc]).  This
-	  includes functions to set/clear a single bit or a run of bits.
-	- Add fs/ntfs/attrib.[hc]::ntfs_find_vcn() which returns the locked
-	  runlist element containing a particular vcn.  It also takes care of
-	  mapping any needed runlist fragments.
-	- Implement cluster (de-)allocation code (fs/ntfs/lcnalloc.[hc]).
-	- Load attribute definition table from $AttrDef at mount time.
-	- Fix bugs in mount time error code paths involving (de)allocation of
-	  the default and volume upcase tables.
-	- Remove ntfs_nr_mounts as it is no longer used.
-
-2.1.16 - Implement access time updates, file sync, async io, and read/writev.
-
-	- Add support for readv/writev and aio_read/aio_write (fs/ntfs/file.c).
-	  This is done by setting the appropriate file operations pointers to
-	  the generic helper functions provided by mm/filemap.c.
-	- Implement fsync, fdatasync, and msync both for files (fs/ntfs/file.c)
-	  and directories (fs/ntfs/dir.c).
-	- Add support for {a,m,c}time updates to inode.c::ntfs_write_inode().
-	  Note, except for the root directory and any other system files opened
-	  by the user, the system files will not have their access times
-	  updated as they are only accessed at the inode level an hence the
-	  file level functions which cause the times to be updated are never
-	  invoked.
-
-2.1.15 - Invalidate quotas when (re)mounting read-write.
-
-	- Add new element itype.index.collation_rule to the ntfs inode
-	  structure and set it appropriately in ntfs_read_locked_inode().
-	- Implement a new inode type "index" to allow efficient access to the
-	  indices found in various system files and adapt inode handling
-	  accordingly (fs/ntfs/inode.[hc]).  An index inode is essentially an
-	  attribute inode (NInoAttr() is true) with an attribute type of
-	  AT_INDEX_ALLOCATION.  As such, it is no longer allowed to call
-	  ntfs_attr_iget() with an attribute type of AT_INDEX_ALLOCATION as
-	  there would be no way to distinguish between normal attribute inodes
-	  and index inodes.  The function to obtain an index inode is
-	  ntfs_index_iget() and it uses the helper function
-	  ntfs_read_locked_index_inode().  Note, we do not overload
-	  ntfs_attr_iget() as indices consist of multiple attributes so using
-	  ntfs_attr_iget() to obtain an index inode would be confusing.
-	- Ensure that there is no overflow when doing page->index <<
-	  PAGE_CACHE_SHIFT by casting page->index to s64 in fs/ntfs/aops.c.
-	- Use atomic kmap instead of kmap() in fs/ntfs/aops.c::ntfs_read_page()
-	  and ntfs_read_block().
-	- Use case sensitive attribute lookups instead of case insensitive ones.
-	- Lock all page cache pages belonging to mst protected attributes while
-	  accessing them to ensure we never see corrupt data while the page is
-	  under writeout.
-	- Add framework for generic ntfs collation (fs/ntfs/collation.[hc]).
-	  We have ntfs_is_collation_rule_supported() to check if the collation
-	  rule you want to use is supported and ntfs_collation() which actually
-	  collates two data items.  We currently only support COLLATION_BINARY
-	  and COLLATION_NTOFS_ULONG but support for other collation rules will
-	  be added as the need arises.
-	- Add a new type, ntfs_index_context, to allow retrieval of an index
-	  entry using the corresponding index key.  To get an index context,
-	  use ntfs_index_ctx_get() and to release it, use ntfs_index_ctx_put().
-	  This also adds a new slab cache for the index contexts.  To lookup a
-	  key in an index inode, use ntfs_index_lookup().  After modifying an
-	  index entry, call ntfs_index_entry_flush_dcache_page() followed by
-	  ntfs_index_entry_mark_dirty() to ensure the changes are written out
-	  to disk.  For details see fs/ntfs/index.[hc].  Note, at present, if
-	  an index entry is in the index allocation attribute rather than the
-	  index root attribute it will not be written out (you will get a
-	  warning message about discarded changes instead).
-	- Load the quota file ($Quota) and check if quota tracking is enabled
-	  and if so, mark the quotas out of date.  This causes windows to
-	  rescan the volume on boot and update all quota entries.
-	- Add a set_page_dirty address space operation for ntfs_m[fs]t_aops.
-	  It is simply set to __set_page_dirty_nobuffers() to make sure that
-	  running set_page_dirty() on a page containing mft/ntfs records will
-	  not affect the dirty state of the page buffers.
-	- Add fs/ntfs/index.c::__ntfs_index_entry_mark_dirty() which sets all
-	  buffers that are inside the ntfs record in the page dirty after which
-	  it sets the page dirty.  This allows ->writepage to only write the
-	  dirty index records rather than having to write all the records in
-	  the page.  Modify fs/ntfs/index.h::ntfs_index_entry_mark_dirty() to
-	  use this rather than __set_page_dirty_nobuffers().
-	- Implement fs/ntfs/aops.c::ntfs_write_mst_block() which enables the
-	  writing of page cache pages belonging to mst protected attributes
-	  like the index allocation attribute in directory indices and other
-	  indices like $Quota/$Q, etc.  This means that the quota is now marked
-	  out of date on all volumes rather than only on ones where the quota
-	  defaults entry is in the index root attribute of the $Quota/$Q index.
-
-2.1.14 - Fix an NFSd caused deadlock reported by several users.
-
-	- Modify fs/ntfs/ntfs_readdir() to copy the index root attribute value
-	  to a buffer so that we can put the search context and unmap the mft
-	  record before calling the filldir() callback.  We need to do this
-	  because of NFSd which calls ->lookup() from its filldir callback()
-	  and this causes NTFS to deadlock as ntfs_lookup() maps the mft record
-	  of the directory and since ntfs_readdir() has got it mapped already
-	  ntfs_lookup() deadlocks.
-
-2.1.13 - Enable overwriting of resident files and housekeeping of system files.
-
-	- Implement writing of mft records (fs/ntfs/mft.[hc]), which includes
-	  keeping the mft mirror in sync with the mft when mirrored mft records
-	  are written.  The functions are write_mft_record{,_nolock}().  The
-	  implementation is quite rudimentary for now with lots of things not
-	  implemented yet but I am not sure any of them can actually occur so
-	  I will wait for people to hit each one and only then implement it.
-	- Commit open system inodes at umount time.  This should make it
-	  virtually impossible for sync_mft_mirror_umount() to ever be needed.
-	- Implement ->write_inode (fs/ntfs/inode.c::ntfs_write_inode()) for the
-	  ntfs super operations.  This gives us inode writing via the VFS inode
-	  dirty code paths.  Note:  Access time updates are not implemented yet.
-	- Implement fs/ntfs/mft.[hc]::{,__}mark_mft_record_dirty() and make
-	  fs/ntfs/aops.c::ntfs_writepage() and ntfs_commit_write() use it, thus
-	  finally enabling resident file overwrite!  (-8  This also includes a
-	  placeholder for ->writepage (ntfs_mft_writepage()), which for now
-	  just redirties the page and returns.  Also, at umount time, we for
-	  now throw away all mft data page cache pages after the last call to
-	  ntfs_commit_inode() in the hope that all inodes will have been
-	  written out by then and hence no dirty (meta)data will be lost.  We
-	  also check for this case and emit an error message telling the user
-	  to run chkdsk.
-	- Use set_page_writeback() and end_page_writeback() in the resident
-	  attribute code path of fs/ntfs/aops.c::ntfs_writepage() otherwise
-	  the radix-tree tag PAGECACHE_TAG_DIRTY remains set even though the
-	  page is clean.
-	- Implement ntfs_mft_writepage() so it now checks if any of the mft
-	  records in the page are dirty and if so redirties the page and
-	  returns.  Otherwise it just returns (after doing set_page_writeback(),
-	  unlock_page(), end_page_writeback() or the radix-tree tag
-	  PAGECACHE_TAG_DIRTY remains set even though the page is clean), thus
-	  alowing the VM to do with the page as it pleases.  Also, at umount
-	  time, now only throw away dirty mft (meta)data pages if dirty inodes
-	  are present and ask the user to email us if they see this happening.
-	- Add functions ntfs_{clear,set}_volume_flags(), to modify the volume
-	  information flags (fs/ntfs/super.c).
-	- Mark the volume dirty when (re)mounting read-write and mark it clean
-	  when unmounting or remounting read-only.  If any volume errors are
-	  found, the volume is left marked dirty to force chkdsk to run.
-	- Add code to set the NT4 compatibility flag when (re)mounting
-	  read-write for newer NTFS versions but leave it commented out for now
-	  since we do not make any modifications that are NTFS 1.2 specific yet
-	  and since setting this flag breaks Captive-NTFS which is not nice.
-	  This code must be enabled once we start writing NTFS 1.2 specific
-	  changes otherwise Windows NTFS driver might crash / cause corruption.
-
-2.1.12 - Fix the second fix to the decompression engine and some cleanups.
-
-	- Add a new address space operations struct, ntfs_mst_aops, for mst
-	  protected attributes.  This is because the default ntfs_aops do not
-	  make sense with mst protected data and were they to write anything to
-	  such an attribute they would cause data corruption so we provide
-	  ntfs_mst_aops which does not have any write related operations set.
-	- Cleanup dirty ntfs inode handling (fs/ntfs/inode.[hc]) which also
-	  includes an adapted ntfs_commit_inode() and an implementation of
-	  ntfs_write_inode() which for now just cleans dirty inodes without
-	  writing them (it does emit a warning that this is happening).
-	- Undo the second decompression engine fix (see 2.1.9 release ChangeLog
-	  entry) as it was only fixing a theoretical bug but at the same time
-	  it badly broke the handling of sparse and uncompressed compression
-	  blocks.
-
-2.1.11 - Driver internal cleanups.
-
-	- Only build logfile.o if building the driver with read-write support.
-	- Really final white space cleanups.
-	- Use generic_ffs() instead of ffs() in logfile.c which allows the
-	  log_page_size variable to be optimized by gcc into a constant.
-	- Rename uchar_t to ntfschar everywhere as uchar_t is unsigned 1-byte
-	  char as defined by POSIX and as found on some systems.
-
-2.1.10 - Force read-only (re)mounting of volumes with unsupported volume flags.
-
-	- Finish off the white space cleanups (remove trailing spaces, etc).
-	- Clean up ntfs_fill_super() and ntfs_read_inode_mount() by removing
-	  the kludges around the first iget().  Instead of (re)setting ->s_op
-	  we have the $MFT inode set up by explicit new_inode() / set ->i_ino /
-	  insert_inode_hash() / call ntfs_read_inode_mount() directly.  This
-	  kills the need for second super_operations and allows to return error
-	  from ntfs_read_inode_mount() without resorting to ugly "poisoning"
-	  tricks.  (Al Viro)
-	- Force read-only (re)mounting if any of the following bits are set in
-	  the volume information flags:
-	  	VOLUME_IS_DIRTY, VOLUME_RESIZE_LOG_FILE,
-		VOLUME_UPGRADE_ON_MOUNT, VOLUME_DELETE_USN_UNDERWAY,
-		VOLUME_REPAIR_OBJECT_ID, VOLUME_MODIFIED_BY_CHKDSK
-	  To make this easier we define VOLUME_MUST_MOUNT_RO_MASK with all the
-	  above bits set so the test is made easy.
-
-2.1.9 - Fix two bugs in decompression engine.
-
-	- Fix a bug where we would not always detect that we have reached the
-	  end of a compression block because we were ending at minus one byte
-	  which is effectively the same as being at the end.  The fix is to
-	  check whether the uncompressed buffer has been fully filled and if so
-	  we assume we have reached the end of the compression block.  A big
-	  thank you to Marcin Gibuła for the bug report, the assistance in
-	  tracking down the bug and testing the fix.
-	- Fix a possible bug where when a compressed read is truncated to the
-	  end of the file, the offset inside the last page was not truncated.
-
-2.1.8 - Handle $MFT mirror and $LogFile, improve time handling, and cleanups.
-
-	- Use get_bh() instead of manual atomic_inc() in fs/ntfs/compress.c.
-	- Modify fs/ntfs/time.c::ntfs2utc(), get_current_ntfs_time(), and
-	  utc2ntfs() to work with struct timespec instead of time_t on the
-	  Linux UTC time side thus preserving the full precision of the NTFS
-	  time and only loosing up to 99 nano-seconds in the Linux UTC time.
-	- Move fs/ntfs/time.c to fs/ntfs/time.h and make the time functions
-	  static inline.
-	- Remove unused ntfs_dirty_inode().
-	- Cleanup super operations declaration in fs/ntfs/super.c.
-	- Wrap flush_dcache_mft_record_page() in #ifdef NTFS_RW.
-	- Add NInoTestSetFoo() and NInoTestClearFoo() macro magic to
-	  fs/ntfs/inode.h and use it to declare NInoTest{Set,Clear}Dirty.
-	- Move typedefs for ntfs_attr and test_t from fs/ntfs/inode.c to
-	  fs/ntfs/inode.h so they can be used elsewhere.
-	- Determine the mft mirror size as the number of mirrored mft records
-	  and store it in ntfs_volume->mftmirr_size (fs/ntfs/super.c).
-	- Load the mft mirror at mount time and compare the mft records stored
-	  in it to the ones in the mft.  Force a read-only mount if the two do
-	  not match (fs/ntfs/super.c).
-	- Fix type casting related warnings on 64-bit architectures.  Thanks
-	  to Meelis Roos for reporting them.
-	- Move %L to %ll as %L is floating point and %ll is integer which is
-	  what we want.
-	- Read the journal ($LogFile) and determine if the volume has been
-	  shutdown cleanly and force a read-only mount if not (fs/ntfs/super.c
-	  and fs/ntfs/logfile.c).  This is a little bit of a crude check in
-	  that we only look at the restart areas and not at the actual log
-	  records so that there will be a very small number of cases where we
-	  think that a volume is dirty when in fact it is clean.  This should
-	  only affect volumes that have not been shutdown cleanly and did not
-	  have any pending, non-check-pointed i/o.
-	- If the $LogFile indicates a clean shutdown and a read-write (re)mount
-	  is requested, empty $LogFile by overwriting it with 0xff bytes to
-	  ensure that Windows cannot cause data corruption by replaying a stale
-	  journal after Linux has written to the volume.
-
-2.1.7 - Enable NFS exporting of mounted NTFS volumes.
-
-	- Set i_generation in the VFS inode from the seq_no of the NTFS inode.
-	- Make ntfs_lookup() NFS export safe, i.e. use d_splice_alias(), etc.
-	- Implement ->get_dentry() in fs/ntfs/namei.c::ntfs_get_dentry() as the
-	  default doesn't allow inode number 0 which is a valid inode on NTFS
-	  and even if it did allow that it uses iget() instead of ntfs_iget()
-	  which makes it useless for us.
-	- Implement ->get_parent() in fs/ntfs/namei.c::ntfs_get_parent() as the
-	  default just returns -EACCES which is not very useful.
-	- Define export operations (->s_export_op) for NTFS (ntfs_export_ops)
-	  and set them up in the super block at mount time (super.c) this
-	  allows mounted NTFS volumes to be exported via NFS.
-	- Add missing return -EOPNOTSUPP; in
-	  fs/ntfs/aops.c::ntfs_commit_nonresident_write().
-	- Enforce no atime and no dir atime updates at mount/remount time as
-	  they are not implemented yet anyway.
-	- Move a few assignments in fs/ntfs/attrib.c::load_attribute_list() to
-	  after a NULL check.  Thanks to Dave Jones for pointing this out.
-
-2.1.6 - Fix minor bug in handling of compressed directories.
-
-	- Fix bug in handling of compressed directories.  A compressed
-	  directory is not really compressed so when we set the ->i_blocks
-	  field of a compressed directory inode we were setting it from the
-	  non-existing field ni->itype.compressed.size which gave random
-	  results...  For directories we now always use ni->allocated_size.
-
-2.1.5 - Fix minor bug in attribute list attribute handling.
-
-	- Fix bug in attribute list handling.  Actually it is not as much a bug
-	  as too much protection in that we were not allowing attribute lists
-	  which waste space on disk while Windows XP clearly allows it and in
-	  fact creates such attribute lists so our driver was failing.
-	- Update NTFS documentation ready for 2.6 kernel release.
-
-2.1.4 - Reduce compiler requirements.
-
-	- Remove all uses of unnamed structs and unions in the driver to make
-	  old and newer gcc versions happy. Makes it a bit uglier IMO but at
-	  least people will stop hassling me about it.
-
-2.1.3 - Important bug fixes in corner cases.
-
-	- super.c::parse_ntfs_boot_sector(): Correct the check for 64-bit
-	  clusters. (Philipp Thomas)
-	- attrib.c::load_attribute_list(): Fix bug when initialized_size is a
-	  multiple of the block_size but not the cluster size. (Szabolcs
-	  Szakacsits)
-
-2.1.2 - Important bug fixes aleviating the hangs in statfs.
-
-	- Fix buggy free cluster and free inode determination logic.
-
-2.1.1 - Minor updates.
-
-	- Add handling for initialized_size != data_size in compressed files.
-	- Reduce function local stack usage from 0x3d4 bytes to just noise in
-	  fs/ntfs/upcase.c. (Randy Dunlap)
-	- Remove compiler warnings for newer gcc.
-	- Pages are no longer kmapped by mm/filemap.c::generic_file_write()
-	  around calls to ->{prepare,commit}_write.  Adapt NTFS appropriately
-	  in fs/ntfs/aops.c::ntfs_prepare_nonresident_write() by using
-	  kmap_atomic(KM_USER0).
-
-2.1.0 - First steps towards write support: implement file overwrite.
-
-	- Add configuration option for developmental write support with an
-	  appropriately scary configuration help text.
-	- Initial implementation of fs/ntfs/aops.c::ntfs_writepage() and its
-	  helper fs/ntfs/aops.c::ntfs_write_block(). This enables mmap(2) based
-	  overwriting of existing files on ntfs. Note: Resident files are
-	  only written into memory, and not written out to disk at present, so
-	  avoid writing to files smaller than about 1kiB.
-	- Initial implementation of fs/ntfs/aops.c::ntfs_prepare_write(), its
-	  helper fs/ntfs/aops.c::ntfs_prepare_nonresident_write() and their
-	  counterparts, fs/ntfs/aops.c::ntfs_commit_write(), and
-	  fs/ntfs/aops.c::ntfs_commit_nonresident_write(), respectively. Also,
-	  add generic_file_write() to the ntfs file operations (fs/ntfs/file.c).
-	  This enables write(2) based overwriting of existing files on ntfs.
-	  Note: As with mmap(2) based overwriting, resident files are only
-	  written into memory, and not written out to disk at present, so avoid
-	  writing to files smaller than about 1kiB.
-	- Implement ->truncate (fs/ntfs/inode.c::ntfs_truncate()) and
-	  ->setattr() (fs/ntfs/inode.c::ntfs_setattr()) inode operations for
-	  files with the purpose of intercepting and aborting all i_size
-	  changes which we do not support yet. ntfs_truncate() actually only
-	  emits a warning message but AFAICS our interception of i_size changes
-	  elsewhere means ntfs_truncate() never gets called for i_size changes.
-	  It is only called from generic_file_write() when we fail in
-	  ntfs_prepare_{,nonresident_}write() in order to discard any
-	  instantiated buffers beyond i_size. Thus i_size is not actually
-	  changed so our warning message is enough. Unfortunately it is not
-	  possible to easily determine if i_size is being changed or not hence
-	  we just emit an appropriately worded error message.
-
-2.0.25 - Small bug fixes and cleanups.
-
-	- Unlock the page in an out of memory error code path in
-	  fs/ntfs/aops.c::ntfs_read_block().
-	- If fs/ntfs/aops.c::ntfs_read_page() is called on an uptodate page,
-	  just unlock the page and return. (This can happen due to ->writepage
-	  clearing PageUptodate() during write out of MstProtected()
-	  attributes.
-	- Remove leaked write code again.
-
-2.0.24 - Cleanups.
-
-	- Treat BUG_ON() as ASSERT() not VERIFY(), i.e. do not use side effects
-	  inside BUG_ON(). (Adam J. Richter)
-	- Split logical OR expressions inside BUG_ON() into individual BUG_ON()
-	  calls for improved debugging. (Adam J. Richter)
-	- Add errors flag to the ntfs volume state, accessed via
-	  NVol{,Set,Clear}Errors(vol).
-	- Do not allow read-write remounts of read-only volumes with errors.
-	- Clarify comment for ntfs file operation sendfile which was added by
-	  Christoph Hellwig a while ago (just using generic_file_sendfile())
-	  to say that ntfs ->sendfile is only used for the case where the
-	  source data is on the ntfs partition and the destination is
-	  somewhere else, i.e. nothing we need to concern ourselves with.
-	- Add generic_file_write() as our ntfs file write operation.
-
-2.0.23 - Major bug fixes (races, deadlocks, non-i386 architectures).
-
-	- Massive internal locking changes to mft record locking. Fixes lock
-	  recursion and replaces the mrec_lock read/write semaphore with a
-	  mutex. Also removes the now superfluous mft_count. This fixes several
-	  race conditions and deadlocks, especially in the future write code.
-	- Fix ntfs over loopback for compressed files by adding an
-	  optimization barrier. (gcc was screwing up otherwise ?)
-	- Miscellaneous cleanups all over the code and a fix or two in error
-	  handling code paths.
-	Thanks go to Christoph Hellwig for pointing out the following two:
-	- Remove now unused function fs/ntfs/malloc.h::vmalloc_nofs().
-	- Fix ntfs_free() for ia64 and parisc by checking for VMALLOC_END, too.
-
-2.0.22 - Cleanups, mainly to ntfs_readdir(), and use C99 initializers.
-
-	- Change fs/ntfs/dir.c::ntfs_reddir() to only read/write ->f_pos once
-	  at entry/exit respectively.
-	- Use C99 initializers for structures.
-	- Remove unused variable blocks from fs/ntfs/aops.c::ntfs_read_block().
-
-2.0.21 - Check for, and refuse to work with too large files/directories/volumes.
-
-	- Limit volume size at mount time to 2TiB on architectures where
-	  unsigned long is 32-bits (fs/ntfs/super.c::parse_ntfs_boot_sector()).
-	  This is the most we can do without overflowing the 32-bit limit of
-	  the block device size imposed on us by sb_bread() and sb_getblk()
-	  for the time being.
-	- Limit file/directory size at open() time to 16TiB on architectures
-	  where unsigned long is 32-bits (fs/ntfs/file.c::ntfs_file_open() and
-	  fs/ntfs/dir.c::ntfs_dir_open()). This is the most we can do without
-	  overflowing the page cache page index.
-
-2.0.20 - Support non-resident directory index bitmaps, fix page leak in readdir.
-
-	- Move the directory index bitmap to use an attribute inode instead of
-	  having special fields for it inside the ntfs inode structure. This
-	  means that the index bitmaps now use the page cache for i/o, too,
-	  and also as a side effect we get support for non-resident index
-	  bitmaps for free.
-	- Simplify/cleanup error handling in fs/ntfs/dir.c::ntfs_readdir() and
-	  fix a page leak that manifested itself in some cases.
-	- Add fs/ntfs/inode.c::ntfs_put_inode(), which we need to release the
-	  index bitmap inode on the final iput().
-
-2.0.19 - Fix race condition, improvements, and optimizations in i/o interface.
-
-	- Apply block optimization added to fs/ntfs/aops.c::ntfs_read_block()
-	  to fs/ntfs/compress.c::ntfs_file_read_compressed_block() as well.
-	- Drop the "file" from ntfs_file_read_compressed_block().
-	- Rename fs/ntfs/aops.c::ntfs_enb_buffer_read_async() to
-	  ntfs_end_buffer_async_read() (more like the fs/buffer.c counterpart).
-	- Update ntfs_end_buffer_async_read() with the improved logic from
-	  its updated counterpart fs/buffer.c::end_buffer_async_read(). Apply
-	  further logic improvements to better determine when we set PageError.
-	- Update submission of buffers in fs/ntfs/aops.c::ntfs_read_block() to
-	  check for the buffers being uptodate first in line with the updated
-	  fs/buffer.c::block_read_full_page(). This plugs a small race
-	  condition.
-
-2.0.18 - Fix race condition in reading of compressed files.
-
-	- There was a narrow window between checking a buffer head for being
-	  uptodate and locking it in ntfs_file_read_compressed_block(). We now
-	  lock the buffer and then check whether it is uptodate or not.
-
-2.0.17 - Cleanups and optimizations - shrinking the ToDo list.
-
-	- Modify fs/ntfs/inode.c::ntfs_read_locked_inode() to return an error
-	  code and update callers, i.e. ntfs_iget(), to pass that error code
-	  up instead of just using -EIO.
-	- Modifications to super.c to ensure that both mount and remount
-	  cannot set any write related options when the driver is compiled
-	  read-only.
-	- Optimize block resolution in fs/ntfs/aops.c::ntfs_read_block() to
-	  cache the current runlist element. This should improve performance
-	  when reading very large and/or very fragmented data.
-
-2.0.16 - Convert access to $MFT/$BITMAP to attribute inode API.
-
-	- Fix a stupid bug introduced in 2.0.15 where we were unmapping the
-	  wrong inode in fs/ntfs/inode.c::ntfs_attr_iget().
-	- Fix debugging check in fs/ntfs/aops.c::ntfs_read_block().
-	- Convert $MFT/$BITMAP access to attribute inode API and remove all
-	  remnants of the ugly mftbmp address space and operations hack. This
-	  means we finally have only one readpage function as well as only one
-	  async io completion handler. Yey! The mft bitmap is now just an
-	  attribute inode and is accessed from vol->mftbmp_ino just as if it
-	  were a normal file. Fake inodes rule. (-:
-
-2.0.15 - Fake inodes based attribute i/o via the pagecache, fixes and cleanups.
-
-	- Fix silly bug in fs/ntfs/super.c::parse_options() which was causing
-	  remounts to fail when the partition had an entry in /etc/fstab and
-	  the entry specified the nls= option.
-	- Apply same macro magic used in fs/ntfs/inode.h to fs/ntfs/volume.h to
-	  expand all the helper functions NVolFoo(), NVolSetFoo(), and
-	  NVolClearFoo().
-	- Move copyright statement from driver initialisation message to
-	  module description (fs/super.c). This makes the initialisation
-	  message fit on one line and fits in better with rest of kernel.
-	- Update fs/ntfs/attrib.c::map_run_list() to work on both real and
-	  attribute inodes, and both for files and directories.
-	- Implement fake attribute inodes allowing all attribute i/o to go via
-	  the page cache and to use all the normal vfs/mm functionality:
-	  - Add ntfs_attr_iget() and its helper ntfs_read_locked_attr_inode()
-	    to fs/ntfs/inode.c.
-	  - Add needed cleanup code to ntfs_clear_big_inode().
-	- Merge address space operations for files and directories (aops.c),
-	  now just have ntfs_aops:
-	  - Rename:
-		end_buffer_read_attr_async() ->	ntfs_end_buffer_read_async(),
-		ntfs_attr_read_block()	     ->	ntfs_read_block(),
-		ntfs_file_read_page()	     ->	ntfs_readpage().
-	  - Rewrite fs/ntfs/aops.c::ntfs_readpage() to work on both real and
-	    attribute inodes, and both for files and directories.
-	  - Remove obsolete fs/ntfs/aops.c::ntfs_mst_readpage().
-
-2.0.14 - Run list merging code cleanup, minor locking changes, typo fixes.
-
-	- Change fs/ntfs/super.c::ntfs_statfs() to not rely on BKL by moving
-	  the locking out of super.c::get_nr_free_mft_records() and taking and
-	  dropping the mftbmp_lock rw_semaphore in ntfs_statfs() itself.
-	- Bring attribute runlist merging code (fs/ntfs/attrib.c) in sync with
-	  current userspace ntfs library code. This means that if a merge
-	  fails the original runlists are always left unmodified instead of
-	  being silently corrupted.
-	- Misc typo fixes.
-
-2.0.13 - Use iget5_locked() in preparation for fake inodes and small cleanups.
-
-	- Remove nr_mft_bits and the now superfluous union with nr_mft_records
-	  from ntfs_volume structure.
-	- Remove nr_lcn_bits and the now superfluous union with nr_clusters
-	  from ntfs_volume structure.
-	- Use iget5_locked() and friends instead of conventional iget(). Wrap
-	  the call in fs/ntfs/inode.c::ntfs_iget() and update callers of iget()
-	  to use ntfs_iget(). Leave only one iget() call at mount time so we
-	  don't need an ntfs_iget_mount().
-	- Change fs/ntfs/inode.c::ntfs_new_extent_inode() to take mft_no as an
-	  additional argument.
-
-2.0.12 - Initial cleanup of address space operations following 2.0.11 changes.
-
-	- Merge fs/ntfs/aops.c::end_buffer_read_mst_async() and
-	  fs/ntfs/aops.c::end_buffer_read_file_async() into one function
-	  fs/ntfs/aops.c::end_buffer_read_attr_async() using NInoMstProtected()
-	  to determine whether to apply mst fixups or not.
-	- Above change allows merging fs/ntfs/aops.c::ntfs_file_read_block()
-	  and fs/ntfs/aops.c::ntfs_mst_readpage() into one function
-	  fs/ntfs/aops.c::ntfs_attr_read_block(). Also, create a tiny wrapper
-	  fs/ntfs/aops.c::ntfs_mst_readpage() to transform the parameters from
-	  the VFS readpage function prototype to the ntfs_attr_read_block()
-	  function prototype.
-
-2.0.11 - Initial preparations for fake inode based attribute i/o.
-
-	- Move definition of ntfs_inode_state_bits to fs/ntfs/inode.h and
-	  do some macro magic (adapted from include/linux/buffer_head.h) to
-	  expand all the helper functions NInoFoo(), NInoSetFoo(), and
-	  NInoClearFoo().
-	- Add new flag to ntfs_inode_state_bits: NI_Sparse.
-	- Add new fields to ntfs_inode structure to allow use of fake inodes
-	  for attribute i/o: type, name, name_len. Also add new state bits:
-	  NI_Attr, which, if set, indicates the inode is a fake inode, and
-	  NI_MstProtected, which, if set, indicates the attribute uses multi
-	  sector transfer protection, i.e. fixups need to be applied after
-	  reads and before/after writes.
-	- Rename fs/ntfs/inode.c::ntfs_{new,clear,destroy}_inode() to
-	  ntfs_{new,clear,destroy}_extent_inode() and update callers.
-	- Use ntfs_clear_extent_inode() in fs/ntfs/inode.c::__ntfs_clear_inode()
-	  instead of ntfs_destroy_extent_inode().
-	- Cleanup memory deallocations in {__,}ntfs_clear_{,big_}inode().
-	- Make all operations on ntfs inode state bits use the NIno* functions.
-	- Set up the new ntfs inode fields and state bits in
-	  fs/ntfs/inode.c::ntfs_read_inode() and add appropriate cleanup of
-	  allocated memory to __ntfs_clear_inode().
-	- Cleanup ntfs_inode structure a bit for better ordering of elements
-	  w.r.t. their size to allow better packing of the structure in memory.
-
-2.0.10 - There can only be 2^32 - 1 inodes on an NTFS volume.
-
-	- Add check at mount time to verify that the number of inodes on the
-	  volume does not exceed 2^32 - 1, which is the maximum allowed for
-	  NTFS according to Microsoft.
-	- Change mft_no member of ntfs_inode structure to be unsigned long.
-	  Update all users. This makes ntfs_inode->mft_no just a copy of struct
-	  inode->i_ino. But we can't just always use struct inode->i_ino and
-	  remove mft_no because extent inodes do not have an attached struct
-	  inode.
-
-2.0.9 - Decompression engine now uses a single buffer and other cleanups.
-
-	- Change decompression engine to use a single buffer protected by a
-	  spin lock instead of per-CPU buffers. (Rusty Russell)
-	- Do not update cb_pos when handling a partial final page during
-	  decompression of a sparse compression block, as the value is later
-	  reset without being read/used. (Rusty Russell)
-	- Switch to using the new KM_BIO_SRC_IRQ for atomic kmap()s. (Andrew
-	  Morton)
-	- Change buffer size in ntfs_readdir()/ntfs_filldir() to use
-	  NLS_MAX_CHARSET_SIZE which makes the buffers almost 1kiB each but
-	  it also makes everything safer so it is a good thing.
-	- Miscellaneous minor cleanups to comments.
-
-2.0.8 - Major updates for handling of case sensitivity and dcache aliasing.
-
-	Big thanks go to Al Viro and other inhabitants of #kernel for investing
-	their time to discuss the case sensitivity and dcache aliasing issues.
-
-	- Remove unused source file fs/ntfs/attraops.c.
-	- Remove show_inodes mount option(s), thus dropping support for
-	  displaying of short file names.
-	- Remove deprecated mount option posix.
-	- Restore show_sys_files mount option.
-	- Add new mount option case_sensitive, to determine if the driver
-	  treats file names as case sensitive or not. If case sensitive, create
-	  file names in the POSIX namespace. Otherwise create file names in the
-	  LONG/WIN32 namespace. Note, files remain accessible via their short
-	  file name, if it exists.
-	- Remove really dumb logic bug in boot sector recovery code.
-	- Fix dcache aliasing issues wrt short/long file names via changes
-	  to fs/ntfs/dir.c::ntfs_lookup_inode_by_name() and
-	  fs/ntfs/namei.c::ntfs_lookup():
-	  - Add additional argument to ntfs_lookup_inode_by_name() in which we
-	    return information about the matching file name if the case is not
-	    matching or the match is a short file name. See comments above the
-	    function definition for details.
-	  - Change ntfs_lookup() to only create dcache entries for the correctly
-	    cased file name and only for the WIN32 namespace counterpart of DOS
-	    namespace file names. This ensures we have only one dentry per
-	    directory and also removes all dcache aliasing issues between short
-	    and long file names once we add write support. See comments above
-	    function for details.
-	- Fix potential 1 byte overflow in fs/ntfs/unistr.c::ntfs_ucstonls().
-
-2.0.7 - Minor cleanups and updates for changes in core kernel code.
-
-	- Remove much of the NULL struct element initializers.
-	- Various updates to make compatible with recent kernels.
-	- Remove defines of MAX_BUF_PER_PAGE and include linux/buffer_head.h
-	  in fs/ntfs/ntfs.h instead.
-	- Remove no longer needed KERNEL_VERSION checks. We are now in the
-	  kernel proper so they are no longer needed.
-
-2.0.6 - Major bugfix to make compatible with other kernel changes.
-
-	- Initialize the mftbmp address space properly now that there are more
-	  fields in the struct address_space. This was leading to hangs and
-	  oopses on umount since 2.5.12 because of changes to other parts of
-	  the kernel. We probably want a kernel generic init_address_space()
-	  function...
-	- Drop BKL from ntfs_readdir() after consultation with Al Viro. The
-	  only caller of ->readdir() is vfs_readdir() which holds i_mutex
-	  during the call, and i_mutex is sufficient protection against changes
-	  in the directory inode (including ->i_size).
-	- Use generic_file_llseek() for directories (as opposed to
-	  default_llseek()) as this downs i_mutex instead of the BKL which is
-	  what we now need for exclusion against ->f_pos changes considering we
-	  no longer take the BKL in ntfs_readdir().
-
-2.0.5 - Major bugfix. Buffer overflow in extent inode handling.
-
-	- No need to set old blocksize in super.c::ntfs_fill_super() as the
-	  VFS does so via invocation of deactivate_super() calling
-	  fs->fill_super() calling block_kill_super() which does it.
-	- BKL moved from VFS into dir.c::ntfs_readdir(). (Linus Torvalds)
-	  -> Do we really need it? I don't think so as we have exclusion on
-	  the directory ntfs_inode rw_semaphore mrec_lock. We mmight have to
-	  move the ->f_pos accesses under the mrec_lock though. Check this...
-	- Fix really, really, really stupid buffer overflow in extent inode
-	  handling in mft.c::map_extent_mft_record().
-
-2.0.4 - Cleanups and updates for kernel 2.5.11.
-
-	- Add documentation on how to use the MD driver to be able to use NTFS
-	  stripe and volume sets in Linux and generally cleanup documentation
-	  a bit.
-	Remove all uses of kdev_t in favour of struct block_device *:
-	- Change compress.c::ntfs_file_read_compressed_block() to use
-	  sb_getblk() instead of getblk().
-	- Change super.c::ntfs_fill_super() to use bdev_hardsect_size() instead
-	  of get_hardsect_size().
-	- No need to get old blocksize in super.c::ntfs_fill_super() as
-	  fs/super.c::get_sb_bdev() already does this.
-	- Set bh->b_bdev instead of bh->b_dev throughout aops.c.
-
-2.0.3 - Small bug fixes, cleanups, and performance improvements.
-
-	- Remove some dead code from mft.c.
-	- Optimize readpage and read_block functions throughout aops.c so that
-	  only initialized blocks are read. Non-initialized ones have their
-	  buffer head mapped, zeroed, and set up to date, without scheduling
-	  any i/o. Thanks to Al Viro for advice on how to avoid the device i/o.
-	Thanks go to Andrew Morton for spotting the below:
-	- Fix buglet in allocate_compression_buffers() error code path.
-	- Call flush_dcache_page() after modifying page cache page contents in
-	  ntfs_file_readpage().
-	- Check for existence of page buffers throughout aops.c before calling
-	  create_empty_buffers(). This happens when an I/O error occurs and the
-	  read is retried. (It also happens once writing is implemented so that
-	  needed doing anyway but I had left it for later...)
-	- Don't BUG_ON() uptodate and/or mapped buffers throughout aops.c in
-	  readpage and read_block functions. Reasoning same as above (i.e. I/O
-	  error retries and future write code paths.)
-
-2.0.2 - Minor updates and cleanups.
-
-	- Cleanup: rename mst.c::__post_read_mst_fixup to post_write_mst_fixup
-	  and cleanup the code a bit, removing the unused size parameter.
-	- Change default fmask to 0177 and update documentation.
-	- Change attrib.c::get_attr_search_ctx() to return the search context
-	  directly instead of taking the address of a pointer. A return value
-	  of NULL means the allocation failed. Updated all callers
-	  appropriately.
-	- Update to 2.5.9 kernel (preserving backwards compatibility) by
-	  replacing all occurences of page->buffers with page_buffers(page).
-	- Fix minor bugs in runlist merging, also minor cleanup.
-	- Updates to bootsector layout and mft mirror contents descriptions.
-	- Small bug fix in error detection in unistr.c and some cleanups.
-	- Grow name buffer allocations in unistr.c in aligned mutlipled of 64
-	  bytes.
-
-2.0.1 - Minor updates.
-
-	- Make default umask correspond to documentation.
-	- Improve documentation.
-	- Set default mode to include execute bit. The {u,f,d}mask can be used
-	  to take it away if desired. This allows binaries to be executed from
-	  a mounted ntfs partition.
-
-2.0.0 - New version number. Remove TNG from the name. Now in the kernel.
-
-	- Add kill_super, just keeping up with the vfs changes in the kernel.
-	- Repeat some changes from tng-0.0.8 that somehow got lost on the way
-	  from the CVS import into BitKeeper.
-	- Begin to implement proper handling of allocated_size vs
-	  initialized_size vs data_size (i.e. i_size). Done are
-	  mft.c::ntfs_mft_readpage(), aops.c::end_buffer_read_index_async(),
-	  and attrib.c::load_attribute_list().
-	- Lock the runlist in attrib.c::load_attribute_list() while using it.
-	- Fix memory leak in ntfs_file_read_compressed_block() and generally
-	  clean up compress.c a little, removing some uncommented/unused debug
-	  code.
-	- Tidy up dir.c a little bit.
-	- Don't bother getting the runlist in inode.c::ntfs_read_inode().
-	- Merge mft.c::ntfs_mft_readpage() and aops.c::ntfs_index_readpage()
-	  creating aops.c::ntfs_mst_readpage(), improving the handling of
-	  holes and overflow in the process and implementing the correct
-	  equivalent of ntfs_file_get_block() in ntfs_mst_readpage() itself.
-	  I am aiming for correctness at the moment. Modularisation can come
-	  later.
-	- Rename aops.c::end_buffer_read_index_async() to
-	  end_buffer_read_mst_async() and optimize the overflow checking and
-	  handling.
-	- Use the host of the mftbmp address space mapping to hold the ntfs
-	  volume. This is needed so the async i/o completion handler can
-	  retrieve a pointer to the volume. Hopefully this will not cause
-	  problems elsewhere in the kernel... Otherwise will need to use a
-	  fake inode.
-	- Complete implementation of proper handling of allocated_size vs
-	  initialized_size vs data_size (i.e. i_size) in whole driver.
-	  Basically aops.c is now completely rewritten.
-	- Change NTFS driver name to just NTFS and set version number to 2.0.0
-	  to make a clear distinction from the old driver which is still on
-	  version 1.1.22.
-
-tng-0.0.8 - 08/03/2002 - Now using BitKeeper, http://linux-ntfs.bkbits.net/
-
-	- Replace bdevname(sb->s_dev) with sb->s_id.
-	- Remove now superfluous new-line characters in all callers of
-	  ntfs_debug().
-	- Apply kludge in ntfs_read_inode(), setting i_nlink to 1 for
-	  directories. Without this the "find" utility gets very upset which is
-	  fair enough as Linux/Unix do not support directory hard links.
-	- Further runlist merging work. (Richard Russon)
-	- Backwards compatibility for gcc-2.95. (Richard Russon)
-	- Update to kernel 2.5.5-pre1 and rediff the now tiny patch.
-	- Convert to new filesystem declaration using ->ntfs_get_sb() and
-	  replacing ntfs_read_super() with ntfs_fill_super().
-	- Set s_maxbytes to MAX_LFS_FILESIZE to avoid page cache page index
-	  overflow on 32-bit architectures.
-	- Cleanup upcase loading code to use ntfs_(un)map_page().
-	- Disable/reenable preemtion in critical sections of compession engine.
-	- Replace device size determination in ntfs_fill_super() with
-	  sb->s_bdev->bd_inode->i_size (in bytes) and remove now superfluous
-	  function super.c::get_nr_blocks().
-	- Implement a mount time option (show_inodes) allowing choice of which
-	  types of inode names readdir() returns and modify ntfs_filldir()
-	  accordingly. There are several parameters to show_inodes:
-		system:	system files
-		win32:	long file names (including POSIX file names) [DEFAULT]
-		long:	same as win32
-		dos:	short file names only (excluding POSIX file names)
-		short:	same as dos
-		posix:	same as both win32 and dos
-		all:	all file names
-	  Note that the options are additive, i.e. specifying:
-		-o show_inodes=system,show_inodes=win32,show_inodes=dos
-	  is the same as specifying:
-		-o show_inodes=all
-	  Note that the "posix" and "all" options will show all directory
-	  names, BUT the link count on each directory inode entry is set to 1,
-	  due to Linux not supporting directory hard links. This may well
-	  confuse some userspace applications, since the directory names will
-	  have the same inode numbers. Thus it is NOT advisable to use the
-	  "posix" or "all" options. We provide them only for completeness sake.
-	- Add copies of allocated_size, initialized_size, and compressed_size to
-	  the ntfs inode structure and set them up in
-	  inode.c::ntfs_read_inode(). These reflect the unnamed data attribute
-	  for files and the index allocation attribute for directories.
-	- Add copies of allocated_size and initialized_size to ntfs inode for
-	  $BITMAP attribute of large directories and set them up in
-	  inode.c::ntfs_read_inode().
-	- Add copies of allocated_size and initialized_size to ntfs volume for
-	  $BITMAP attribute of $MFT and set them up in
-	  super.c::load_system_files().
-	- Parse deprecated ntfs driver options (iocharset, show_sys_files,
-	  posix, and utf8) and tell user what the new options to use are. Note
-	  we still do support them but they will be removed with kernel 2.7.x.
-	- Change all occurences of integer long long printf formatting to hex
-	  as printk() will not support long long integer format if/when the
-	  div64 patch goes into the kernel.
-	- Make slab caches have stable names and change the names to what they
-	  were intended to be. These changes are required/made possible by the
-	  new slab cache name handling which removes the length limitation by
-	  requiring the caller of kmem_cache_create() to supply a stable name
-	  which is then referenced but not copied.
-	- Rename run_list structure to run_list_element and create a new
-	  run_list structure containing a pointer to a run_list_element
-	  structure and a read/write semaphore. Adapt all users of runlists
-	  to new scheme and take and release the lock as needed. This fixes a
-	  nasty race as the run_list changes even when inodes are locked for
-	  reading and even when the inode isn't locked at all, so we really
-	  needed the serialization. We use a semaphore rather than a spinlock
-	  as memory allocations can sleep and doing everything GFP_ATOMIC
-	  would be silly.
-	- Cleanup read_inode() removing all code checking for lowest_vcn != 0.
-	  This can never happen due to the nature of lookup_attr() and how we
-	  support attribute lists. If it did happen it would imply the inode
-	  being corrupt.
-	- Check for lowest_vcn != 0 in ntfs_read_inode() and mark the inode as
-	  bad if found.
-	- Update to 2.5.6-pre2 changes in struct address_space.
-	- Use parent_ino() when accessing d_parent inode number in dir.c.
-	- Import Sourceforge CVS repository into BitKeeper repository:
-		http://linux-ntfs.bkbits.net/ntfs-tng-2.5
-	- Update fs/Makefile, fs/Config.help, fs/Config.in, and
-	  Documentation/filesystems/ntfs.txt for NTFS TNG.
-	- Create kernel configuration option controlling whether debugging
-	  is enabled or not.
-	- Add the required export of end_buffer_io_sync() from the patches
-	  directory to the kernel code.
-	- Update inode.c::ntfs_show_options() with show_inodes mount option.
-	- Update errors mount option.
-
-tng-0.0.7 - 13/02/2002 - The driver is now feature complete for read-only!
-
-	- Cleanup mft.c and it's debug/error output in particular. Fix a minor
-	  bug in mapping of extent inodes. Update all the comments to fit all
-	  the recent code changes.
-	- Modify vcn_to_lcn() to cope with entirely unmapped runlists.
-	- Cleanups in compress.c, mostly comments and folding help.
-	- Implement attrib.c::map_run_list() as a generic helper.
-	- Make compress.c::ntfs_file_read_compressed_block() use map_run_list()
-	  thus making code shorter and enabling attribute list support.
-	- Cleanup incorrect use of [su]64 with %L printf format specifier in
-	  all source files. Type casts to [unsigned] long long added to correct
-	  the mismatches (important for architectures which have long long not
-	  being 64 bits).
-	- Merge async io completion handlers for directory indexes and $MFT
-	  data into one by setting the index_block_size{_bits} of the ntfs
-	  inode for $MFT to the mft_record_size{_bits} of the ntfs_volume.
-	- Cleanup aops.c, update comments.
-	- Make ntfs_file_get_block() use map_run_list() so all files now
-	  support attribute lists.
-	- Make ntfs_dir_readpage() almost verbatim copy of
-	  block_read_full_page() by using ntfs_file_get_block() with only real
-	  difference being the use of our own async io completion handler
-	  rather than the default one, thus reducing the amount of code and
-	  automatically enabling attribute list support for directory indices.
-	- Fix bug in load_attribute_list() - forgot to call brelse in error
-	  code path.
-	- Change parameters to find_attr() and lookup_attr(). We no longer
-	  pass in the upcase table and its length. These can be gotten from
-	  ctx->ntfs_ino->vol->upcase{_len}. Update all callers.
-	- Cleanups in attrib.c.
-	- Implement merging of runlists, attrib.c::merge_run_lists() and its
-	  helpers. (Richard Russon)
-	- Attribute lists part 2, attribute extents and multi part runlists:
-	  enable proper support for LCN_RL_NOT_MAPPED and automatic mapping of
-	  further runlist parts via attrib.c::map_run_list().
-	- Tiny endianness bug fix in decompress_mapping_pairs().
-
-tng-0.0.6 - Encrypted directories, bug fixes, cleanups, debugging enhancements.
-
-	- Enable encrypted directories. (Their index root is marked encrypted
-	  to indicate that new files in that directory should be created
-	  encrypted.)
-	- Fix bug in NInoBmpNonResident() macro. (Cut and paste error.)
-	- Enable $Extend system directory. Most (if not all) extended system
-	  files do not have unnamed data attributes so ntfs_read_inode() had to
-	  special case them but that is ok, as the special casing recovery
-	  happens inside an error code path so there is zero slow down in the
-	  normal fast path. The special casing is done by introducing a new
-	  function inode.c::ntfs_is_extended_system_file() which checks if any
-	  of the hard links in the inode point to $Extend as being their parent
-	  directory and if they do we assume this is an extended system file.
-	- Create a sysctl/proc interface to allow {dis,en}abling of debug output
-	  when compiled with -DDEBUG. Default is debug messages to be disabled.
-	  To enable them, one writes a non-zero value to /proc/sys/fs/ntfs-debug
-	  (if /proc is enabled) or uses sysctl(2) to effect the same (if sysctl
-	  interface is enabled). Inspired by old ntfs driver.
-	- Add debug_msgs insmod/kernel boot parameter to set whether debug
-	  messages are {dis,en}abled. This is useful to enable debug messages
-	  during ntfs initialization and is the only way to activate debugging
-	  when the sysctl interface is not enabled.
-	- Cleanup debug output in various places.
-	- Remove all dollar signs ($) from the source (except comments) to
-	  enable compilation on architectures whose gcc compiler does not
-	  support dollar signs in the names of variables/constants. Attribute
-	  types now start with AT_ instead of $ and $I30 is now just I30.
-	- Cleanup ntfs_lookup() and add consistency check of sequence numbers.
-	- Load complete runlist for $MFT/$BITMAP during mount and cleanup
-	  access functions. This means we now cope with $MFT/$BITMAP being
-	  spread accross several mft records.
-	- Disable modification of mft_zone_multiplier on remount. We can always
-	  reenable this later on if we really want to, but we will need to make
-	  sure we readjust the mft_zone size / layout accordingly.
-
-tng-0.0.5 - Modernize for 2.5.x and further in line-ing with Al Viro's comments.
-
-	- Use sb_set_blocksize() instead of set_blocksize() and verify the
-	  return value.
-	- Use sb_bread() instead of bread() throughout.
-	- Add index_vcn_size{_bits} to ntfs_inode structure to store the size
-	  of a directory index block vcn. Apply resulting simplifications in
-	  dir.c everywhere.
-	- Fix a small bug somewhere (but forgot what it was).
-	- Change ntfs_{debug,error,warning} to enable gcc to do type checking
-	  on the printf-format parameter list and fix bugs reported by gcc
-	  as a result. (Richard Russon)
-	- Move inode allocation strategy to Al's new stuff but maintain the
-	  divorce of ntfs_inode from struct inode. To achieve this we have two
-	  separate slab caches, one for big ntfs inodes containing a struct
-	  inode and pure ntfs inodes and at the same time fix some faulty
-	  error code paths in ntfs_read_inode().
-	- Show mount options in proc (inode.c::ntfs_show_options()).
-
-tng-0.0.4 - Big changes, getting in line with Al Viro's comments.
-
-	- Modified (un)map_mft_record functions to be common for read and write
-	  case. To specify which is which, added extra parameter at front of
-	  parameter list. Pass either READ or WRITE to this, each has the
-	  obvious meaning.
-	- General cleanups to allow for easier folding in vi.
-	- attrib.c::decompress_mapping_pairs() now accepts the old runlist
-	  argument, and invokes attrib.c::merge_run_lists() to merge the old
-	  and the new runlists.
-	- Removed attrib.c::find_first_attr().
-	- Implemented loading of attribute list and complete runlist for $MFT.
-	  This means we now cope with $MFT being spread across several mft
-	  records.
-	- Adapt to 2.5.2-pre9 and the changed create_empty_buffers() syntax.
-	- Adapt major/minor/kdev_t/[bk]devname stuff to new 2.5.x kernels.
-	- Make ntfs_volume be allocated via kmalloc() instead of using a slab
-	  cache. There are too little ntfs_volume structures at any one time
-	  to justify a private slab cache.
-	- Fix bogus kmap() use in async io completion. Now use kmap_atomic().
-	  Use KM_BIO_IRQ on advice from IRC/kernel...
-	- Use ntfs_map_page() in map_mft_record() and create ->readpage method
-	  for reading $MFT (ntfs_mft_readpage). In the process create dedicated
-	  address space operations (ntfs_mft_aops) for $MFT inode mapping. Also
-	  removed the now superfluous exports from the kernel core patch.
-	- Fix a bug where kfree() was used instead of ntfs_free().
-	- Change map_mft_record() to take ntfs_inode as argument instead of
-	  vfs inode. Dito for unmap_mft_record(). Adapt all callers.
-	- Add pointer to ntfs_volume to ntfs_inode.
-	- Add mft record number and sequence number to ntfs_inode. Stop using
-	  i_ino and i_generation for in-driver purposes.
-	- Implement attrib.c::merge_run_lists(). (Richard Russon)
-	- Remove use of proper inodes by extent inodes. Move i_ino and
-	  i_generation to ntfs_inode to do this. Apply simplifications that
-	  result and remove iget_no_wait(), etc.
-	- Pass ntfs_inode everywhere in the driver (used to be struct inode).
-	- Add reference counting in ntfs_inode for the ntfs inode itself and
-	  for the mapped mft record.
-	- Extend mft record mapping so we can (un)map extent mft records (new
-	  functions (un)map_extent_mft_record), and so mappings are reference
-	  counted and don't have to happen twice if already mapped - just ref
-	  count increases.
-	- Add -o iocharset as alias to -o nls for backwards compatibility.
-	- The latest core patch is now tiny. In fact just a single additional
-	  export is necessary over the base kernel.
-
-tng-0.0.3 - Cleanups, enhancements, bug fixes.
-
-	- Work on attrib.c::decompress_mapping_pairs() to detect base extents
-	  and setup the runlist appropriately using knowledge provided by the
-	  sizes in the base attribute record.
-	- Balance the get_/put_attr_search_ctx() calls so we don't leak memory
-	  any more.
-	- Introduce ntfs_malloc_nofs() and ntfs_free() to allocate/free a single
-	  page or use vmalloc depending on the amount of memory requested.
-	- Cleanup error output. The __FUNCTION__ "(): " is now added
-	  automatically. Introduced a new header file debug.h to support this
-	  and also moved ntfs_debug() function into it.
-	- Make reading of compressed files more intelligent and especially get
-	  rid of the vmalloc_nofs() from readpage(). This now uses per CPU
-	  buffers (allocated at first mount with cluster size <= 4kiB and
-	  deallocated on last umount with cluster size <= 4kiB), and
-	  asynchronous io for the compressed data using a list of buffer heads.
-	  Er, we use synchronous io as async io only works on whole pages
-	  covered by buffers and not on individual buffer heads...
-	- Bug fix for reading compressed files with sparse compression blocks.
-
-tng-0.0.2 - Now handles larger/fragmented/compressed volumes/files/dirs.
-
-	- Fixed handling of directories when cluster size exceeds index block
-	  size.
-	- Hide DOS only name space directory entries from readdir() but allow
-	  them in lookup(). This should fix the problem that Linux doesn't
-	  support directory hard links, while still allowing access to entries
-	  via their short file name. This also has the benefit of mimicking
-	  what Windows users are used to, so it is the ideal solution.
-	- Implemented sync_page everywhere so no more hangs in D state when
-	  waiting for a page.
-	- Stop using bforget() in favour of brelse().
-	- Stop locking buffers unnecessarily.
-	- Implemented compressed files (inode->mapping contains uncompressed
-	  data, raw compressed data is currently bread() into a vmalloc()ed
-	  memory buffer).
-	- Enable compressed directories. (Their index root is marked compressed
-	  to indicate that new files in that directory should be created
-	  compressed.)
-	- Use vsnprintf rather than vsprintf in the ntfs_error and ntfs_warning
-	  functions. (Thanks to Will Dyson for pointing this out.)
-	- Moved the ntfs_inode and ntfs_volume (the former ntfs_inode_info and
-	  ntfs_sb_info) out of the common inode and super_block structures and
-	  started using the generic_ip and generic_sbp pointers instead. This
-	  makes ntfs entirely private with respect to the kernel tree.
-	- Detect compiler version and abort with error message if gcc less than
-	  2.96 is used.
-	- Fix bug in name comparison function in unistr.c.
-	- Implement attribute lists part 1, the infrastructure: search contexts
-	  and operations, find_external_attr(), lookup_attr()) and make the
-	  code use the infrastructure.
-	- Fix stupid buffer overflow bug that became apparent on larger run
-	  list containing attributes.
-	- Fix bugs in readdir() that became apparent on larger directories.
-
-	The driver is now really useful and survives the test
-		find . -type f -exec md5sum "{}" \;
-	without any error messages on a over 1GiB sized partition with >16k
-	files on it, including compressed files and directories and many files
-	and directories with attribute lists.
-
-tng-0.0.1 - The first useful version.
-
-	- Added ntfs_lookup().
-	- Added default upcase generation and handling.
-	- Added compile options to be shown on module init.
-	- Many bug fixes that were "hidden" before.
-	- Update to latest kernel.
-	- Added ntfs_readdir().
-	- Added file operations for mmap(), read(), open() and llseek(). We just
-	  use the generic ones. The whole point of going through implementing
-	  readpage() methods and where possible get_block() call backs is that
-	  this allows us to make use of the generic high level methods provided
-	  by the kernel.
-
-	The driver is now actually useful! Yey. (-: It undoubtedly has got bugs
-	though and it doesn't implement accesssing compressed files yet. Also,
-	accessing files with attribute list attributes is not implemented yet
-	either. But for small or simple filesystems it should work and allow
-	you to list directories, use stat on directory entries and the file
-	system, open, read, mmap and llseek around in files. A big mile stone
-	has been reached!
-
-tng-0.0.0 - Initial version tag.
-
-	Initial driver implementation. The driver can mount and umount simple
-	NTFS filesystems (i.e. ones without attribute lists in the system
-	files). If the mount fails there might be problems in the error handling
-	code paths, so be warned. Otherwise it seems to be loading the system
-	files nicely and the mft record read mapping/unmapping seems to be
-	working nicely, too. Proof of inode metadata in the page cache and non-
-	resident file unnamed stream data in the page cache concepts is thus
-	complete.
diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c
index 5a9e34475e37..9173e82a45d1 100644
--- a/fs/ntfs/dir.c
+++ b/fs/ntfs/dir.c
@@ -1545,7 +1545,7 @@ static int ntfs_dir_fsync(struct file *filp, struct dentry *dentry,
  		write_inode_now(bmp_vi, !datasync);
 		iput(bmp_vi);
 	}
-	ret = ntfs_write_inode(vi, 1);
+	ret = __ntfs_write_inode(vi, 1);
 	write_inode_now(vi, !datasync);
 	err = sync_blockdev(vi->i_sb->s_bdev);
 	if (unlikely(err && !ret))
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index 43179ddd336f..b681c71d7069 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -2182,7 +2182,7 @@ static int ntfs_file_fsync(struct file *filp, struct dentry *dentry,
 	ntfs_debug("Entering for inode 0x%lx.", vi->i_ino);
 	BUG_ON(S_ISDIR(vi->i_mode));
 	if (!datasync || !NInoNonResident(NTFS_I(vi)))
-		ret = ntfs_write_inode(vi, 1);
+		ret = __ntfs_write_inode(vi, 1);
 	write_inode_now(vi, !datasync);
 	/*
 	 * NOTE: If we were to use mapping->private_list (see ext2 and
diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c
index dc2505abb6d7..4b57fb1eac2a 100644
--- a/fs/ntfs/inode.c
+++ b/fs/ntfs/inode.c
@@ -2957,7 +2957,7 @@ out:
  *
  * Return 0 on success and -errno on error.
  */
-int ntfs_write_inode(struct inode *vi, int sync)
+int __ntfs_write_inode(struct inode *vi, int sync)
 {
 	sle64 nt;
 	ntfs_inode *ni = NTFS_I(vi);
diff --git a/fs/ntfs/inode.h b/fs/ntfs/inode.h
index 117eaf8032a3..9a113544605d 100644
--- a/fs/ntfs/inode.h
+++ b/fs/ntfs/inode.h
@@ -307,12 +307,12 @@ extern void ntfs_truncate_vfs(struct inode *vi);
 
 extern int ntfs_setattr(struct dentry *dentry, struct iattr *attr);
 
-extern int ntfs_write_inode(struct inode *vi, int sync);
+extern int __ntfs_write_inode(struct inode *vi, int sync);
 
 static inline void ntfs_commit_inode(struct inode *vi)
 {
 	if (!is_bad_inode(vi))
-		ntfs_write_inode(vi, 1);
+		__ntfs_write_inode(vi, 1);
 	return;
 }
 
diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c
index 80b04770e8e9..0de1db6cddbf 100644
--- a/fs/ntfs/super.c
+++ b/fs/ntfs/super.c
@@ -31,6 +31,7 @@
 #include <linux/vfs.h>
 #include <linux/moduleparam.h>
 #include <linux/smp_lock.h>
+#include <linux/bitmap.h>
 
 #include "sysctl.h"
 #include "logfile.h"
@@ -39,6 +40,7 @@
 #include "dir.h"
 #include "debug.h"
 #include "index.h"
+#include "inode.h"
 #include "aops.h"
 #include "layout.h"
 #include "malloc.h"
@@ -2457,7 +2459,6 @@ static void ntfs_put_super(struct super_block *sb)
 static s64 get_nr_free_clusters(ntfs_volume *vol)
 {
 	s64 nr_free = vol->nr_clusters;
-	u32 *kaddr;
 	struct address_space *mapping = vol->lcnbmp_ino->i_mapping;
 	struct page *page;
 	pgoff_t index, max_index;
@@ -2476,7 +2477,8 @@ static s64 get_nr_free_clusters(ntfs_volume *vol)
 	ntfs_debug("Reading $Bitmap, max_index = 0x%lx, max_size = 0x%lx.",
 			max_index, PAGE_CACHE_SIZE / 4);
 	for (index = 0; index < max_index; index++) {
-		unsigned int i;
+		unsigned long *kaddr;
+
 		/*
 		 * Read the page from page cache, getting it from backing store
 		 * if necessary, and increment the use count.
@@ -2489,16 +2491,16 @@ static s64 get_nr_free_clusters(ntfs_volume *vol)
 			nr_free -= PAGE_CACHE_SIZE * 8;
 			continue;
 		}
-		kaddr = (u32*)kmap_atomic(page, KM_USER0);
+		kaddr = kmap_atomic(page, KM_USER0);
 		/*
-		 * For each 4 bytes, subtract the number of set bits. If this
+		 * Subtract the number of set bits. If this
 		 * is the last page and it is partial we don't really care as
 		 * it just means we do a little extra work but it won't affect
 		 * the result as all out of range bytes are set to zero by
 		 * ntfs_readpage().
 		 */
-	  	for (i = 0; i < PAGE_CACHE_SIZE / 4; i++)
-			nr_free -= (s64)hweight32(kaddr[i]);
+		nr_free -= bitmap_weight(kaddr,
+					PAGE_CACHE_SIZE * BITS_PER_BYTE);
 		kunmap_atomic(kaddr, KM_USER0);
 		page_cache_release(page);
 	}
@@ -2537,7 +2539,6 @@ static s64 get_nr_free_clusters(ntfs_volume *vol)
 static unsigned long __get_nr_free_mft_records(ntfs_volume *vol,
 		s64 nr_free, const pgoff_t max_index)
 {
-	u32 *kaddr;
 	struct address_space *mapping = vol->mftbmp_ino->i_mapping;
 	struct page *page;
 	pgoff_t index;
@@ -2547,7 +2548,8 @@ static unsigned long __get_nr_free_mft_records(ntfs_volume *vol,
 	ntfs_debug("Reading $MFT/$BITMAP, max_index = 0x%lx, max_size = "
 			"0x%lx.", max_index, PAGE_CACHE_SIZE / 4);
 	for (index = 0; index < max_index; index++) {
-		unsigned int i;
+		unsigned long *kaddr;
+
 		/*
 		 * Read the page from page cache, getting it from backing store
 		 * if necessary, and increment the use count.
@@ -2560,16 +2562,16 @@ static unsigned long __get_nr_free_mft_records(ntfs_volume *vol,
 			nr_free -= PAGE_CACHE_SIZE * 8;
 			continue;
 		}
-		kaddr = (u32*)kmap_atomic(page, KM_USER0);
+		kaddr = kmap_atomic(page, KM_USER0);
 		/*
-		 * For each 4 bytes, subtract the number of set bits. If this
+		 * Subtract the number of set bits. If this
 		 * is the last page and it is partial we don't really care as
 		 * it just means we do a little extra work but it won't affect
 		 * the result as all out of range bytes are set to zero by
 		 * ntfs_readpage().
 		 */
-	  	for (i = 0; i < PAGE_CACHE_SIZE / 4; i++)
-			nr_free -= (s64)hweight32(kaddr[i]);
+		nr_free -= bitmap_weight(kaddr,
+					PAGE_CACHE_SIZE * BITS_PER_BYTE);
 		kunmap_atomic(kaddr, KM_USER0);
 		page_cache_release(page);
 	}
@@ -2662,6 +2664,13 @@ static int ntfs_statfs(struct dentry *dentry, struct kstatfs *sfs)
 	return 0;
 }
 
+#ifdef NTFS_RW
+static int ntfs_write_inode(struct inode *vi, struct writeback_control *wbc)
+{
+	return __ntfs_write_inode(vi, wbc->sync_mode == WB_SYNC_ALL);
+}
+#endif
+
 /**
  * The complete super operations.
  */
diff --git a/fs/ocfs2/Makefile b/fs/ocfs2/Makefile
index 600d2d2ade11..791c0886c060 100644
--- a/fs/ocfs2/Makefile
+++ b/fs/ocfs2/Makefile
@@ -46,6 +46,7 @@ ocfs2_stackglue-objs := stackglue.o
 ocfs2_stack_o2cb-objs := stack_o2cb.o
 ocfs2_stack_user-objs := stack_user.o
 
+obj-$(CONFIG_OCFS2_FS) += dlmfs/
 # cluster/ is always needed when OCFS2_FS for masklog support
 obj-$(CONFIG_OCFS2_FS) += cluster/
 obj-$(CONFIG_OCFS2_FS_O2CB) += dlm/
diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c
index 0501974bedd0..8ccf0f8c9cc8 100644
--- a/fs/ocfs2/acl.c
+++ b/fs/ocfs2/acl.c
@@ -30,6 +30,8 @@
 #include "alloc.h"
 #include "dlmglue.h"
 #include "file.h"
+#include "inode.h"
+#include "journal.h"
 #include "ocfs2_fs.h"
 
 #include "xattr.h"
@@ -166,6 +168,60 @@ static struct posix_acl *ocfs2_get_acl(struct inode *inode, int type)
 }
 
 /*
+ * Helper function to set i_mode in memory and disk. Some call paths
+ * will not have di_bh or a journal handle to pass, in which case it
+ * will create it's own.
+ */
+static int ocfs2_acl_set_mode(struct inode *inode, struct buffer_head *di_bh,
+			      handle_t *handle, umode_t new_mode)
+{
+	int ret, commit_handle = 0;
+	struct ocfs2_dinode *di;
+
+	if (di_bh == NULL) {
+		ret = ocfs2_read_inode_block(inode, &di_bh);
+		if (ret) {
+			mlog_errno(ret);
+			goto out;
+		}
+	} else
+		get_bh(di_bh);
+
+	if (handle == NULL) {
+		handle = ocfs2_start_trans(OCFS2_SB(inode->i_sb),
+					   OCFS2_INODE_UPDATE_CREDITS);
+		if (IS_ERR(handle)) {
+			ret = PTR_ERR(handle);
+			mlog_errno(ret);
+			goto out_brelse;
+		}
+
+		commit_handle = 1;
+	}
+
+	di = (struct ocfs2_dinode *)di_bh->b_data;
+	ret = ocfs2_journal_access_di(handle, INODE_CACHE(inode), di_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
+	if (ret) {
+		mlog_errno(ret);
+		goto out_commit;
+	}
+
+	inode->i_mode = new_mode;
+	di->i_mode = cpu_to_le16(inode->i_mode);
+
+	ocfs2_journal_dirty(handle, di_bh);
+
+out_commit:
+	if (commit_handle)
+		ocfs2_commit_trans(OCFS2_SB(inode->i_sb), handle);
+out_brelse:
+	brelse(di_bh);
+out:
+	return ret;
+}
+
+/*
  * Set the access or default ACL of an inode.
  */
 static int ocfs2_set_acl(handle_t *handle,
@@ -193,9 +249,14 @@ static int ocfs2_set_acl(handle_t *handle,
 			if (ret < 0)
 				return ret;
 			else {
-				inode->i_mode = mode;
 				if (ret == 0)
 					acl = NULL;
+
+				ret = ocfs2_acl_set_mode(inode, di_bh,
+							 handle, mode);
+				if (ret)
+					return ret;
+
 			}
 		}
 		break;
@@ -283,6 +344,7 @@ int ocfs2_init_acl(handle_t *handle,
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
 	struct posix_acl *acl = NULL;
 	int ret = 0;
+	mode_t mode;
 
 	if (!S_ISLNK(inode->i_mode)) {
 		if (osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) {
@@ -291,12 +353,17 @@ int ocfs2_init_acl(handle_t *handle,
 			if (IS_ERR(acl))
 				return PTR_ERR(acl);
 		}
-		if (!acl)
-			inode->i_mode &= ~current_umask();
+		if (!acl) {
+			mode = inode->i_mode & ~current_umask();
+			ret = ocfs2_acl_set_mode(inode, di_bh, handle, mode);
+			if (ret) {
+				mlog_errno(ret);
+				goto cleanup;
+			}
+		}
 	}
 	if ((osb->s_mount_opt & OCFS2_MOUNT_POSIX_ACL) && acl) {
 		struct posix_acl *clone;
-		mode_t mode;
 
 		if (S_ISDIR(inode->i_mode)) {
 			ret = ocfs2_set_acl(handle, inode, di_bh,
@@ -313,7 +380,7 @@ int ocfs2_init_acl(handle_t *handle,
 		mode = inode->i_mode;
 		ret = posix_acl_create_masq(clone, &mode);
 		if (ret >= 0) {
-			inode->i_mode = mode;
+			ret = ocfs2_acl_set_mode(inode, di_bh, handle, mode);
 			if (ret > 0) {
 				ret = ocfs2_set_acl(handle, inode,
 						    di_bh, ACL_TYPE_ACCESS,
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index d17bdc718f74..9f8bd913c51e 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -1050,7 +1050,8 @@ static int ocfs2_create_new_meta_bhs(handle_t *handle,
 			strcpy(eb->h_signature, OCFS2_EXTENT_BLOCK_SIGNATURE);
 			eb->h_blkno = cpu_to_le64(first_blkno);
 			eb->h_fs_generation = cpu_to_le32(osb->fs_generation);
-			eb->h_suballoc_slot = cpu_to_le16(osb->slot_num);
+			eb->h_suballoc_slot =
+				cpu_to_le16(meta_ac->ac_alloc_slot);
 			eb->h_suballoc_bit = cpu_to_le16(suballoc_bit_start);
 			eb->h_list.l_count =
 				cpu_to_le16(ocfs2_extent_recs_per_eb(osb->sb));
@@ -5712,7 +5713,7 @@ int ocfs2_remove_btree_range(struct inode *inode,
 		goto out;
 	}
 
-	vfs_dq_free_space_nodirty(inode,
+	dquot_free_space_nodirty(inode,
 				  ocfs2_clusters_to_bytes(inode->i_sb, len));
 
 	ret = ocfs2_remove_extent(handle, et, cpos, len, meta_ac, dealloc);
@@ -6037,7 +6038,7 @@ static void ocfs2_truncate_log_worker(struct work_struct *work)
 	if (status < 0)
 		mlog_errno(status);
 	else
-		ocfs2_init_inode_steal_slot(osb);
+		ocfs2_init_steal_slots(osb);
 
 	mlog_exit(status);
 }
@@ -6935,7 +6936,7 @@ static int ocfs2_do_truncate(struct ocfs2_super *osb,
 		goto bail;
 	}
 
-	vfs_dq_free_space_nodirty(inode,
+	dquot_free_space_nodirty(inode,
 			ocfs2_clusters_to_bytes(osb->sb, clusters_to_del));
 	spin_lock(&OCFS2_I(inode)->ip_lock);
 	OCFS2_I(inode)->ip_clusters = le32_to_cpu(fe->i_clusters) -
@@ -7300,11 +7301,10 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
 		unsigned int page_end;
 		u64 phys;
 
-		if (vfs_dq_alloc_space_nodirty(inode,
-				       ocfs2_clusters_to_bytes(osb->sb, 1))) {
-			ret = -EDQUOT;
+		ret = dquot_alloc_space_nodirty(inode,
+				       ocfs2_clusters_to_bytes(osb->sb, 1));
+		if (ret)
 			goto out_commit;
-		}
 		did_quota = 1;
 
 		ret = ocfs2_claim_clusters(osb, handle, data_ac, 1, &bit_off,
@@ -7380,7 +7380,7 @@ int ocfs2_convert_inline_data_to_extents(struct inode *inode,
 
 out_commit:
 	if (ret < 0 && did_quota)
-		vfs_dq_free_space_nodirty(inode,
+		dquot_free_space_nodirty(inode,
 					  ocfs2_clusters_to_bytes(osb->sb, 1));
 
 	ocfs2_commit_trans(osb, handle);
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 7e9df11260f4..21441ddb5506 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -577,8 +577,9 @@ static int ocfs2_direct_IO_get_blocks(struct inode *inode, sector_t iblock,
 		goto bail;
 	}
 
-	/* We should already CoW the refcounted extent. */
-	BUG_ON(ext_flags & OCFS2_EXT_REFCOUNTED);
+	/* We should already CoW the refcounted extent in case of create. */
+	BUG_ON(create && (ext_flags & OCFS2_EXT_REFCOUNTED));
+
 	/*
 	 * get_more_blocks() expects us to describe a hole by clearing
 	 * the mapped bit on bh_result().
@@ -1763,10 +1764,11 @@ int ocfs2_write_begin_nolock(struct address_space *mapping,
 
 	wc->w_handle = handle;
 
-	if (clusters_to_alloc && vfs_dq_alloc_space_nodirty(inode,
-			ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc))) {
-		ret = -EDQUOT;
-		goto out_commit;
+	if (clusters_to_alloc) {
+		ret = dquot_alloc_space_nodirty(inode,
+			ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc));
+		if (ret)
+			goto out_commit;
 	}
 	/*
 	 * We don't want this to fail in ocfs2_write_end(), so do it
@@ -1809,7 +1811,7 @@ success:
 	return 0;
 out_quota:
 	if (clusters_to_alloc)
-		vfs_dq_free_space(inode,
+		dquot_free_space(inode,
 			  ocfs2_clusters_to_bytes(osb->sb, clusters_to_alloc));
 out_commit:
 	ocfs2_commit_trans(osb, handle);
diff --git a/fs/ocfs2/cluster/masklog.c b/fs/ocfs2/cluster/masklog.c
index 1cd2934de615..3bb928a2bf7d 100644
--- a/fs/ocfs2/cluster/masklog.c
+++ b/fs/ocfs2/cluster/masklog.c
@@ -112,6 +112,7 @@ static struct mlog_attribute mlog_attrs[MLOG_MAX_BITS] = {
 	define_mask(XATTR),
 	define_mask(QUOTA),
 	define_mask(REFCOUNT),
+	define_mask(BASTS),
 	define_mask(ERROR),
 	define_mask(NOTICE),
 	define_mask(KTHREAD),
@@ -135,7 +136,7 @@ static ssize_t mlog_store(struct kobject *obj, struct attribute *attr,
 	return mlog_mask_store(mlog_attr->mask, buf, count);
 }
 
-static struct sysfs_ops mlog_attr_ops = {
+static const struct sysfs_ops mlog_attr_ops = {
 	.show  = mlog_show,
 	.store = mlog_store,
 };
diff --git a/fs/ocfs2/cluster/masklog.h b/fs/ocfs2/cluster/masklog.h
index 9b4d11726cf2..3dfddbec32f2 100644
--- a/fs/ocfs2/cluster/masklog.h
+++ b/fs/ocfs2/cluster/masklog.h
@@ -114,6 +114,7 @@
 #define ML_XATTR	0x0000000020000000ULL /* ocfs2 extended attributes */
 #define ML_QUOTA	0x0000000040000000ULL /* ocfs2 quota operations */
 #define ML_REFCOUNT	0x0000000080000000ULL /* refcount tree operations */
+#define ML_BASTS	0x0000001000000000ULL /* dlmglue asts and basts */
 /* bits that are infrequently given and frequently matched in the high word */
 #define ML_ERROR	0x0000000100000000ULL /* sent to KERN_ERR */
 #define ML_NOTICE	0x0000000200000000ULL /* setn to KERN_NOTICE */
@@ -194,9 +195,9 @@ extern struct mlog_bits mlog_and_bits, mlog_not_bits;
  * previous token if args expands to nothing.
  */
 #define __mlog_printk(level, fmt, args...)				\
-	printk(level "(%u,%lu):%s:%d " fmt, task_pid_nr(current),	\
-	       __mlog_cpu_guess, __PRETTY_FUNCTION__, __LINE__ ,	\
-	       ##args)
+	printk(level "(%s,%u,%lu):%s:%d " fmt, current->comm,		\
+	       task_pid_nr(current), __mlog_cpu_guess,			\
+	       __PRETTY_FUNCTION__, __LINE__ , ##args)
 
 #define mlog(mask, fmt, args...) do {					\
 	u64 __m = MLOG_MASK_PREFIX | (mask);				\
diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c
index d8d0c65ac03c..73e743eea2c8 100644
--- a/fs/ocfs2/cluster/tcp.c
+++ b/fs/ocfs2/cluster/tcp.c
@@ -72,9 +72,9 @@
 
 #include "tcp_internal.h"
 
-#define SC_NODEF_FMT "node %s (num %u) at %u.%u.%u.%u:%u"
+#define SC_NODEF_FMT "node %s (num %u) at %pI4:%u"
 #define SC_NODEF_ARGS(sc) sc->sc_node->nd_name, sc->sc_node->nd_num,	\
-			  NIPQUAD(sc->sc_node->nd_ipv4_address),	\
+			  &sc->sc_node->nd_ipv4_address,		\
 			  ntohs(sc->sc_node->nd_ipv4_port)
 
 /*
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 28c3ec238796..efd77d071c80 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -2439,7 +2439,7 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb,
 	dx_root = (struct ocfs2_dx_root_block *)dx_root_bh->b_data;
 	memset(dx_root, 0, osb->sb->s_blocksize);
 	strcpy(dx_root->dr_signature, OCFS2_DX_ROOT_SIGNATURE);
-	dx_root->dr_suballoc_slot = cpu_to_le16(osb->slot_num);
+	dx_root->dr_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);
 	dx_root->dr_suballoc_bit = cpu_to_le16(dr_suballoc_bit);
 	dx_root->dr_fs_generation = cpu_to_le32(osb->fs_generation);
 	dx_root->dr_blkno = cpu_to_le64(dr_blkno);
@@ -2964,12 +2964,10 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,
 		goto out;
 	}
 
-	if (vfs_dq_alloc_space_nodirty(dir,
-				ocfs2_clusters_to_bytes(osb->sb,
-							alloc + dx_alloc))) {
-		ret = -EDQUOT;
+	ret = dquot_alloc_space_nodirty(dir,
+		ocfs2_clusters_to_bytes(osb->sb, alloc + dx_alloc));
+	if (ret)
 		goto out_commit;
-	}
 	did_quota = 1;
 
 	if (ocfs2_supports_indexed_dirs(osb) && !dx_inline) {
@@ -3178,7 +3176,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh,
 
 out_commit:
 	if (ret < 0 && did_quota)
-		vfs_dq_free_space_nodirty(dir, bytes_allocated);
+		dquot_free_space_nodirty(dir, bytes_allocated);
 
 	ocfs2_commit_trans(osb, handle);
 
@@ -3221,11 +3219,10 @@ static int ocfs2_do_extend_dir(struct super_block *sb,
 	if (extend) {
 		u32 offset = OCFS2_I(dir)->ip_clusters;
 
-		if (vfs_dq_alloc_space_nodirty(dir,
-					ocfs2_clusters_to_bytes(sb, 1))) {
-			status = -EDQUOT;
+		status = dquot_alloc_space_nodirty(dir,
+					ocfs2_clusters_to_bytes(sb, 1));
+		if (status)
 			goto bail;
-		}
 		did_quota = 1;
 
 		status = ocfs2_add_inode_data(OCFS2_SB(sb), dir, &offset,
@@ -3254,7 +3251,7 @@ static int ocfs2_do_extend_dir(struct super_block *sb,
 	status = 0;
 bail:
 	if (did_quota && status < 0)
-		vfs_dq_free_space_nodirty(dir, ocfs2_clusters_to_bytes(sb, 1));
+		dquot_free_space_nodirty(dir, ocfs2_clusters_to_bytes(sb, 1));
 	mlog_exit(status);
 	return status;
 }
@@ -3889,11 +3886,10 @@ static int ocfs2_dx_dir_rebalance(struct ocfs2_super *osb, struct inode *dir,
 		goto out;
 	}
 
-	if (vfs_dq_alloc_space_nodirty(dir,
-				       ocfs2_clusters_to_bytes(dir->i_sb, 1))) {
-		ret = -EDQUOT;
+	ret = dquot_alloc_space_nodirty(dir,
+				       ocfs2_clusters_to_bytes(dir->i_sb, 1));
+	if (ret)
 		goto out_commit;
-	}
 	did_quota = 1;
 
 	ret = ocfs2_journal_access_dl(handle, INODE_CACHE(dir), dx_leaf_bh,
@@ -3983,7 +3979,7 @@ static int ocfs2_dx_dir_rebalance(struct ocfs2_super *osb, struct inode *dir,
 
 out_commit:
 	if (ret < 0 && did_quota)
-		vfs_dq_free_space_nodirty(dir,
+		dquot_free_space_nodirty(dir,
 				ocfs2_clusters_to_bytes(dir->i_sb, 1));
 
 	ocfs2_commit_trans(osb, handle);
@@ -4165,11 +4161,10 @@ static int ocfs2_expand_inline_dx_root(struct inode *dir,
 		goto out;
 	}
 
-	if (vfs_dq_alloc_space_nodirty(dir,
-				       ocfs2_clusters_to_bytes(osb->sb, 1))) {
-		ret = -EDQUOT;
+	ret = dquot_alloc_space_nodirty(dir,
+				       ocfs2_clusters_to_bytes(osb->sb, 1));
+	if (ret)
 		goto out_commit;
-	}
 	did_quota = 1;
 
 	/*
@@ -4229,7 +4224,7 @@ static int ocfs2_expand_inline_dx_root(struct inode *dir,
 
 out_commit:
 	if (ret < 0 && did_quota)
-		vfs_dq_free_space_nodirty(dir,
+		dquot_free_space_nodirty(dir,
 					  ocfs2_clusters_to_bytes(dir->i_sb, 1));
 
 	ocfs2_commit_trans(osb, handle);
diff --git a/fs/ocfs2/dlm/Makefile b/fs/ocfs2/dlm/Makefile
index 190361375700..dcebf0d920fa 100644
--- a/fs/ocfs2/dlm/Makefile
+++ b/fs/ocfs2/dlm/Makefile
@@ -1,8 +1,7 @@
 EXTRA_CFLAGS += -Ifs/ocfs2
 
-obj-$(CONFIG_OCFS2_FS_O2CB) += ocfs2_dlm.o ocfs2_dlmfs.o
+obj-$(CONFIG_OCFS2_FS_O2CB) += ocfs2_dlm.o
 
 ocfs2_dlm-objs := dlmdomain.o dlmdebug.o dlmthread.o dlmrecovery.o \
 	dlmmaster.o dlmast.o dlmconvert.o dlmlock.o dlmunlock.o dlmver.o
 
-ocfs2_dlmfs-objs := userdlm.o dlmfs.o dlmfsver.o
diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c
index a659606dcb95..9289b4357d27 100644
--- a/fs/ocfs2/dlm/dlmmaster.c
+++ b/fs/ocfs2/dlm/dlmmaster.c
@@ -1875,7 +1875,6 @@ int dlm_assert_master_handler(struct o2net_msg *msg, u32 len, void *data,
 ok:
 		spin_unlock(&res->spinlock);
 	}
-	spin_unlock(&dlm->spinlock);
 
 	// mlog(0, "woo!  got an assert_master from node %u!\n",
 	// 	     assert->node_idx);
@@ -1926,7 +1925,6 @@ ok:
 		/* master is known, detach if not already detached.
 		 * ensures that only one assert_master call will happen
 		 * on this mle. */
-		spin_lock(&dlm->spinlock);
 		spin_lock(&dlm->master_lock);
 
 		rr = atomic_read(&mle->mle_refs.refcount);
@@ -1959,7 +1957,6 @@ ok:
 			__dlm_put_mle(mle);
 		}
 		spin_unlock(&dlm->master_lock);
-		spin_unlock(&dlm->spinlock);
 	} else if (res) {
 		if (res->owner != assert->node_idx) {
 			mlog(0, "assert_master from %u, but current "
@@ -1967,6 +1964,7 @@ ok:
 			     res->owner, namelen, name);
 		}
 	}
+	spin_unlock(&dlm->spinlock);
 
 done:
 	ret = 0;
diff --git a/fs/ocfs2/dlm/dlmrecovery.c b/fs/ocfs2/dlm/dlmrecovery.c
index 344bcf90cbf4..b4f99de2caf3 100644
--- a/fs/ocfs2/dlm/dlmrecovery.c
+++ b/fs/ocfs2/dlm/dlmrecovery.c
@@ -310,7 +310,7 @@ static int dlm_recovery_thread(void *data)
 	mlog(0, "dlm thread running for %s...\n", dlm->name);
 
 	while (!kthread_should_stop()) {
-		if (dlm_joined(dlm)) {
+		if (dlm_domain_fully_joined(dlm)) {
 			status = dlm_do_recovery(dlm);
 			if (status == -EAGAIN) {
 				/* do not sleep, recheck immediately. */
diff --git a/fs/ocfs2/dlmfs/Makefile b/fs/ocfs2/dlmfs/Makefile
new file mode 100644
index 000000000000..df69b4856d0d
--- /dev/null
+++ b/fs/ocfs2/dlmfs/Makefile
@@ -0,0 +1,5 @@
+EXTRA_CFLAGS += -Ifs/ocfs2
+
+obj-$(CONFIG_OCFS2_FS) += ocfs2_dlmfs.o
+
+ocfs2_dlmfs-objs := userdlm.o dlmfs.o dlmfsver.o
diff --git a/fs/ocfs2/dlm/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c
index 02bf17808bdc..1b0de157a08c 100644
--- a/fs/ocfs2/dlm/dlmfs.c
+++ b/fs/ocfs2/dlmfs/dlmfs.c
@@ -43,24 +43,17 @@
 #include <linux/init.h>
 #include <linux/string.h>
 #include <linux/backing-dev.h>
+#include <linux/poll.h>
 
 #include <asm/uaccess.h>
 
-
-#include "cluster/nodemanager.h"
-#include "cluster/heartbeat.h"
-#include "cluster/tcp.h"
-
-#include "dlmapi.h"
-
+#include "stackglue.h"
 #include "userdlm.h"
-
 #include "dlmfsver.h"
 
 #define MLOG_MASK_PREFIX ML_DLMFS
 #include "cluster/masklog.h"
 
-#include "ocfs2_lockingver.h"
 
 static const struct super_operations dlmfs_ops;
 static const struct file_operations dlmfs_file_operations;
@@ -71,15 +64,46 @@ static struct kmem_cache *dlmfs_inode_cache;
 
 struct workqueue_struct *user_dlm_worker;
 
+
+
 /*
- * This is the userdlmfs locking protocol version.
+ * These are the ABI capabilities of dlmfs.
+ *
+ * Over time, dlmfs has added some features that were not part of the
+ * initial ABI.  Unfortunately, some of these features are not detectable
+ * via standard usage.  For example, Linux's default poll always returns
+ * POLLIN, so there is no way for a caller of poll(2) to know when dlmfs
+ * added poll support.  Instead, we provide this list of new capabilities.
+ *
+ * Capabilities is a read-only attribute.  We do it as a module parameter
+ * so we can discover it whether dlmfs is built in, loaded, or even not
+ * loaded.
  *
- * See fs/ocfs2/dlmglue.c for more details on locking versions.
+ * The ABI features are local to this machine's dlmfs mount.  This is
+ * distinct from the locking protocol, which is concerned with inter-node
+ * interaction.
+ *
+ * Capabilities:
+ * - bast	: POLLIN against the file descriptor of a held lock
+ *		  signifies a bast fired on the lock.
  */
-static const struct dlm_protocol_version user_locking_protocol = {
-	.pv_major = OCFS2_LOCKING_PROTOCOL_MAJOR,
-	.pv_minor = OCFS2_LOCKING_PROTOCOL_MINOR,
-};
+#define DLMFS_CAPABILITIES "bast stackglue"
+extern int param_set_dlmfs_capabilities(const char *val,
+					struct kernel_param *kp)
+{
+	printk(KERN_ERR "%s: readonly parameter\n", kp->name);
+	return -EINVAL;
+}
+static int param_get_dlmfs_capabilities(char *buffer,
+					struct kernel_param *kp)
+{
+	return strlcpy(buffer, DLMFS_CAPABILITIES,
+		       strlen(DLMFS_CAPABILITIES) + 1);
+}
+module_param_call(capabilities, param_set_dlmfs_capabilities,
+		  param_get_dlmfs_capabilities, NULL, 0444);
+MODULE_PARM_DESC(capabilities, DLMFS_CAPABILITIES);
+
 
 /*
  * decodes a set of open flags into a valid lock level and a set of flags.
@@ -179,13 +203,46 @@ static int dlmfs_file_release(struct inode *inode,
 	return 0;
 }
 
+/*
+ * We do ->setattr() just to override size changes.  Our size is the size
+ * of the LVB and nothing else.
+ */
+static int dlmfs_file_setattr(struct dentry *dentry, struct iattr *attr)
+{
+	int error;
+	struct inode *inode = dentry->d_inode;
+
+	attr->ia_valid &= ~ATTR_SIZE;
+	error = inode_change_ok(inode, attr);
+	if (!error)
+		error = inode_setattr(inode, attr);
+
+	return error;
+}
+
+static unsigned int dlmfs_file_poll(struct file *file, poll_table *wait)
+{
+	int event = 0;
+	struct inode *inode = file->f_path.dentry->d_inode;
+	struct dlmfs_inode_private *ip = DLMFS_I(inode);
+
+	poll_wait(file, &ip->ip_lockres.l_event, wait);
+
+	spin_lock(&ip->ip_lockres.l_lock);
+	if (ip->ip_lockres.l_flags & USER_LOCK_BLOCKED)
+		event = POLLIN | POLLRDNORM;
+	spin_unlock(&ip->ip_lockres.l_lock);
+
+	return event;
+}
+
 static ssize_t dlmfs_file_read(struct file *filp,
 			       char __user *buf,
 			       size_t count,
 			       loff_t *ppos)
 {
 	int bytes_left;
-	ssize_t readlen;
+	ssize_t readlen, got;
 	char *lvb_buf;
 	struct inode *inode = filp->f_path.dentry->d_inode;
 
@@ -211,9 +268,13 @@ static ssize_t dlmfs_file_read(struct file *filp,
 	if (!lvb_buf)
 		return -ENOMEM;
 
-	user_dlm_read_lvb(inode, lvb_buf, readlen);
-	bytes_left = __copy_to_user(buf, lvb_buf, readlen);
-	readlen -= bytes_left;
+	got = user_dlm_read_lvb(inode, lvb_buf, readlen);
+	if (got) {
+		BUG_ON(got != readlen);
+		bytes_left = __copy_to_user(buf, lvb_buf, readlen);
+		readlen -= bytes_left;
+	} else
+		readlen = 0;
 
 	kfree(lvb_buf);
 
@@ -272,7 +333,7 @@ static void dlmfs_init_once(void *foo)
 	struct dlmfs_inode_private *ip =
 		(struct dlmfs_inode_private *) foo;
 
-	ip->ip_dlm = NULL;
+	ip->ip_conn = NULL;
 	ip->ip_parent = NULL;
 
 	inode_init_once(&ip->ip_vfs_inode);
@@ -314,14 +375,14 @@ static void dlmfs_clear_inode(struct inode *inode)
 		goto clear_fields;
 	}
 
-	mlog(0, "we're a directory, ip->ip_dlm = 0x%p\n", ip->ip_dlm);
+	mlog(0, "we're a directory, ip->ip_conn = 0x%p\n", ip->ip_conn);
 	/* we must be a directory. If required, lets unregister the
 	 * dlm context now. */
-	if (ip->ip_dlm)
-		user_dlm_unregister_context(ip->ip_dlm);
+	if (ip->ip_conn)
+		user_dlm_unregister(ip->ip_conn);
 clear_fields:
 	ip->ip_parent = NULL;
-	ip->ip_dlm = NULL;
+	ip->ip_conn = NULL;
 }
 
 static struct backing_dev_info dlmfs_backing_dev_info = {
@@ -371,7 +432,7 @@ static struct inode *dlmfs_get_inode(struct inode *parent,
 	inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
 
 	ip = DLMFS_I(inode);
-	ip->ip_dlm = DLMFS_I(parent)->ip_dlm;
+	ip->ip_conn = DLMFS_I(parent)->ip_conn;
 
 	switch (mode & S_IFMT) {
 	default:
@@ -425,13 +486,12 @@ static int dlmfs_mkdir(struct inode * dir,
 	struct inode *inode = NULL;
 	struct qstr *domain = &dentry->d_name;
 	struct dlmfs_inode_private *ip;
-	struct dlm_ctxt *dlm;
-	struct dlm_protocol_version proto = user_locking_protocol;
+	struct ocfs2_cluster_connection *conn;
 
 	mlog(0, "mkdir %.*s\n", domain->len, domain->name);
 
 	/* verify that we have a proper domain */
-	if (domain->len >= O2NM_MAX_NAME_LEN) {
+	if (domain->len >= GROUP_NAME_MAX) {
 		status = -EINVAL;
 		mlog(ML_ERROR, "invalid domain name for directory.\n");
 		goto bail;
@@ -446,14 +506,14 @@ static int dlmfs_mkdir(struct inode * dir,
 
 	ip = DLMFS_I(inode);
 
-	dlm = user_dlm_register_context(domain, &proto);
-	if (IS_ERR(dlm)) {
-		status = PTR_ERR(dlm);
+	conn = user_dlm_register(domain);
+	if (IS_ERR(conn)) {
+		status = PTR_ERR(conn);
 		mlog(ML_ERROR, "Error %d could not register domain \"%.*s\"\n",
 		     status, domain->len, domain->name);
 		goto bail;
 	}
-	ip->ip_dlm = dlm;
+	ip->ip_conn = conn;
 
 	inc_nlink(dir);
 	d_instantiate(dentry, inode);
@@ -549,6 +609,7 @@ static int dlmfs_fill_super(struct super_block * sb,
 static const struct file_operations dlmfs_file_operations = {
 	.open		= dlmfs_file_open,
 	.release	= dlmfs_file_release,
+	.poll		= dlmfs_file_poll,
 	.read		= dlmfs_file_read,
 	.write		= dlmfs_file_write,
 };
@@ -576,6 +637,7 @@ static const struct super_operations dlmfs_ops = {
 
 static const struct inode_operations dlmfs_file_inode_operations = {
 	.getattr	= simple_getattr,
+	.setattr	= dlmfs_file_setattr,
 };
 
 static int dlmfs_get_sb(struct file_system_type *fs_type,
@@ -620,6 +682,7 @@ static int __init init_dlmfs_fs(void)
 	}
 	cleanup_worker = 1;
 
+	user_dlm_set_locking_protocol();
 	status = register_filesystem(&dlmfs_fs_type);
 bail:
 	if (status) {
diff --git a/fs/ocfs2/dlm/dlmfsver.c b/fs/ocfs2/dlmfs/dlmfsver.c
index a733b3321f83..a733b3321f83 100644
--- a/fs/ocfs2/dlm/dlmfsver.c
+++ b/fs/ocfs2/dlmfs/dlmfsver.c
diff --git a/fs/ocfs2/dlm/dlmfsver.h b/fs/ocfs2/dlmfs/dlmfsver.h
index f35eadbed25c..f35eadbed25c 100644
--- a/fs/ocfs2/dlm/dlmfsver.h
+++ b/fs/ocfs2/dlmfs/dlmfsver.h
diff --git a/fs/ocfs2/dlm/userdlm.c b/fs/ocfs2/dlmfs/userdlm.c
index 4cb1d3dae250..0499e3fb7bdb 100644
--- a/fs/ocfs2/dlm/userdlm.c
+++ b/fs/ocfs2/dlmfs/userdlm.c
@@ -34,18 +34,19 @@
 #include <linux/types.h>
 #include <linux/crc32.h>
 
-
-#include "cluster/nodemanager.h"
-#include "cluster/heartbeat.h"
-#include "cluster/tcp.h"
-
-#include "dlmapi.h"
-
+#include "ocfs2_lockingver.h"
+#include "stackglue.h"
 #include "userdlm.h"
 
 #define MLOG_MASK_PREFIX ML_DLMFS
 #include "cluster/masklog.h"
 
+
+static inline struct user_lock_res *user_lksb_to_lock_res(struct ocfs2_dlm_lksb *lksb)
+{
+	return container_of(lksb, struct user_lock_res, l_lksb);
+}
+
 static inline int user_check_wait_flag(struct user_lock_res *lockres,
 				       int flag)
 {
@@ -73,15 +74,15 @@ static inline void user_wait_on_blocked_lock(struct user_lock_res *lockres)
 }
 
 /* I heart container_of... */
-static inline struct dlm_ctxt *
-dlm_ctxt_from_user_lockres(struct user_lock_res *lockres)
+static inline struct ocfs2_cluster_connection *
+cluster_connection_from_user_lockres(struct user_lock_res *lockres)
 {
 	struct dlmfs_inode_private *ip;
 
 	ip = container_of(lockres,
 			  struct dlmfs_inode_private,
 			  ip_lockres);
-	return ip->ip_dlm;
+	return ip->ip_conn;
 }
 
 static struct inode *
@@ -103,9 +104,9 @@ static inline void user_recover_from_dlm_error(struct user_lock_res *lockres)
 }
 
 #define user_log_dlm_error(_func, _stat, _lockres) do {			\
-	mlog(ML_ERROR, "Dlm error \"%s\" while calling %s on "		\
-		"resource %.*s: %s\n", dlm_errname(_stat), _func,	\
-		_lockres->l_namelen, _lockres->l_name, dlm_errmsg(_stat)); \
+	mlog(ML_ERROR, "Dlm error %d while calling %s on "		\
+		"resource %.*s\n", _stat, _func,			\
+		_lockres->l_namelen, _lockres->l_name); 		\
 } while (0)
 
 /* WARNING: This function lives in a world where the only three lock
@@ -113,34 +114,35 @@ static inline void user_recover_from_dlm_error(struct user_lock_res *lockres)
  * lock types are added. */
 static inline int user_highest_compat_lock_level(int level)
 {
-	int new_level = LKM_EXMODE;
+	int new_level = DLM_LOCK_EX;
 
-	if (level == LKM_EXMODE)
-		new_level = LKM_NLMODE;
-	else if (level == LKM_PRMODE)
-		new_level = LKM_PRMODE;
+	if (level == DLM_LOCK_EX)
+		new_level = DLM_LOCK_NL;
+	else if (level == DLM_LOCK_PR)
+		new_level = DLM_LOCK_PR;
 	return new_level;
 }
 
-static void user_ast(void *opaque)
+static void user_ast(struct ocfs2_dlm_lksb *lksb)
 {
-	struct user_lock_res *lockres = opaque;
-	struct dlm_lockstatus *lksb;
+	struct user_lock_res *lockres = user_lksb_to_lock_res(lksb);
+	int status;
 
-	mlog(0, "AST fired for lockres %.*s\n", lockres->l_namelen,
-	     lockres->l_name);
+	mlog(ML_BASTS, "AST fired for lockres %.*s, level %d => %d\n",
+	     lockres->l_namelen, lockres->l_name, lockres->l_level,
+	     lockres->l_requested);
 
 	spin_lock(&lockres->l_lock);
 
-	lksb = &(lockres->l_lksb);
-	if (lksb->status != DLM_NORMAL) {
+	status = ocfs2_dlm_lock_status(&lockres->l_lksb);
+	if (status) {
 		mlog(ML_ERROR, "lksb status value of %u on lockres %.*s\n",
-		     lksb->status, lockres->l_namelen, lockres->l_name);
+		     status, lockres->l_namelen, lockres->l_name);
 		spin_unlock(&lockres->l_lock);
 		return;
 	}
 
-	mlog_bug_on_msg(lockres->l_requested == LKM_IVMODE,
+	mlog_bug_on_msg(lockres->l_requested == DLM_LOCK_IV,
 			"Lockres %.*s, requested ivmode. flags 0x%x\n",
 			lockres->l_namelen, lockres->l_name, lockres->l_flags);
 
@@ -148,13 +150,13 @@ static void user_ast(void *opaque)
 	if (lockres->l_requested < lockres->l_level) {
 		if (lockres->l_requested <=
 		    user_highest_compat_lock_level(lockres->l_blocking)) {
-			lockres->l_blocking = LKM_NLMODE;
+			lockres->l_blocking = DLM_LOCK_NL;
 			lockres->l_flags &= ~USER_LOCK_BLOCKED;
 		}
 	}
 
 	lockres->l_level = lockres->l_requested;
-	lockres->l_requested = LKM_IVMODE;
+	lockres->l_requested = DLM_LOCK_IV;
 	lockres->l_flags |= USER_LOCK_ATTACHED;
 	lockres->l_flags &= ~USER_LOCK_BUSY;
 
@@ -193,11 +195,11 @@ static void __user_dlm_cond_queue_lockres(struct user_lock_res *lockres)
 		return;
 
 	switch (lockres->l_blocking) {
-	case LKM_EXMODE:
+	case DLM_LOCK_EX:
 		if (!lockres->l_ex_holders && !lockres->l_ro_holders)
 			queue = 1;
 		break;
-	case LKM_PRMODE:
+	case DLM_LOCK_PR:
 		if (!lockres->l_ex_holders)
 			queue = 1;
 		break;
@@ -209,12 +211,12 @@ static void __user_dlm_cond_queue_lockres(struct user_lock_res *lockres)
 		__user_dlm_queue_lockres(lockres);
 }
 
-static void user_bast(void *opaque, int level)
+static void user_bast(struct ocfs2_dlm_lksb *lksb, int level)
 {
-	struct user_lock_res *lockres = opaque;
+	struct user_lock_res *lockres = user_lksb_to_lock_res(lksb);
 
-	mlog(0, "Blocking AST fired for lockres %.*s. Blocking level %d\n",
-	     lockres->l_namelen, lockres->l_name, level);
+	mlog(ML_BASTS, "BAST fired for lockres %.*s, blocking %d, level %d\n",
+	     lockres->l_namelen, lockres->l_name, level, lockres->l_level);
 
 	spin_lock(&lockres->l_lock);
 	lockres->l_flags |= USER_LOCK_BLOCKED;
@@ -227,15 +229,15 @@ static void user_bast(void *opaque, int level)
 	wake_up(&lockres->l_event);
 }
 
-static void user_unlock_ast(void *opaque, enum dlm_status status)
+static void user_unlock_ast(struct ocfs2_dlm_lksb *lksb, int status)
 {
-	struct user_lock_res *lockres = opaque;
+	struct user_lock_res *lockres = user_lksb_to_lock_res(lksb);
 
-	mlog(0, "UNLOCK AST called on lock %.*s\n", lockres->l_namelen,
-	     lockres->l_name);
+	mlog(ML_BASTS, "UNLOCK AST fired for lockres %.*s, flags 0x%x\n",
+	     lockres->l_namelen, lockres->l_name, lockres->l_flags);
 
-	if (status != DLM_NORMAL && status != DLM_CANCELGRANT)
-		mlog(ML_ERROR, "Dlm returns status %d\n", status);
+	if (status)
+		mlog(ML_ERROR, "dlm returns status %d\n", status);
 
 	spin_lock(&lockres->l_lock);
 	/* The teardown flag gets set early during the unlock process,
@@ -243,7 +245,7 @@ static void user_unlock_ast(void *opaque, enum dlm_status status)
 	 * for a concurrent cancel. */
 	if (lockres->l_flags & USER_LOCK_IN_TEARDOWN
 	    && !(lockres->l_flags & USER_LOCK_IN_CANCEL)) {
-		lockres->l_level = LKM_IVMODE;
+		lockres->l_level = DLM_LOCK_IV;
 	} else if (status == DLM_CANCELGRANT) {
 		/* We tried to cancel a convert request, but it was
 		 * already granted. Don't clear the busy flag - the
@@ -254,7 +256,7 @@ static void user_unlock_ast(void *opaque, enum dlm_status status)
 	} else {
 		BUG_ON(!(lockres->l_flags & USER_LOCK_IN_CANCEL));
 		/* Cancel succeeded, we want to re-queue */
-		lockres->l_requested = LKM_IVMODE; /* cancel an
+		lockres->l_requested = DLM_LOCK_IV; /* cancel an
 						    * upconvert
 						    * request. */
 		lockres->l_flags &= ~USER_LOCK_IN_CANCEL;
@@ -271,6 +273,21 @@ out_noclear:
 	wake_up(&lockres->l_event);
 }
 
+/*
+ * This is the userdlmfs locking protocol version.
+ *
+ * See fs/ocfs2/dlmglue.c for more details on locking versions.
+ */
+static struct ocfs2_locking_protocol user_dlm_lproto = {
+	.lp_max_version = {
+		.pv_major = OCFS2_LOCKING_PROTOCOL_MAJOR,
+		.pv_minor = OCFS2_LOCKING_PROTOCOL_MINOR,
+	},
+	.lp_lock_ast		= user_ast,
+	.lp_blocking_ast	= user_bast,
+	.lp_unlock_ast		= user_unlock_ast,
+};
+
 static inline void user_dlm_drop_inode_ref(struct user_lock_res *lockres)
 {
 	struct inode *inode;
@@ -283,10 +300,10 @@ static void user_dlm_unblock_lock(struct work_struct *work)
 	int new_level, status;
 	struct user_lock_res *lockres =
 		container_of(work, struct user_lock_res, l_work);
-	struct dlm_ctxt *dlm = dlm_ctxt_from_user_lockres(lockres);
+	struct ocfs2_cluster_connection *conn =
+		cluster_connection_from_user_lockres(lockres);
 
-	mlog(0, "processing lockres %.*s\n", lockres->l_namelen,
-	     lockres->l_name);
+	mlog(0, "lockres %.*s\n", lockres->l_namelen, lockres->l_name);
 
 	spin_lock(&lockres->l_lock);
 
@@ -304,17 +321,23 @@ static void user_dlm_unblock_lock(struct work_struct *work)
 	 * flag, and finally we might get another bast which re-queues
 	 * us before our ast for the downconvert is called. */
 	if (!(lockres->l_flags & USER_LOCK_BLOCKED)) {
+		mlog(ML_BASTS, "lockres %.*s USER_LOCK_BLOCKED\n",
+		     lockres->l_namelen, lockres->l_name);
 		spin_unlock(&lockres->l_lock);
 		goto drop_ref;
 	}
 
 	if (lockres->l_flags & USER_LOCK_IN_TEARDOWN) {
+		mlog(ML_BASTS, "lockres %.*s USER_LOCK_IN_TEARDOWN\n",
+		     lockres->l_namelen, lockres->l_name);
 		spin_unlock(&lockres->l_lock);
 		goto drop_ref;
 	}
 
 	if (lockres->l_flags & USER_LOCK_BUSY) {
 		if (lockres->l_flags & USER_LOCK_IN_CANCEL) {
+			mlog(ML_BASTS, "lockres %.*s USER_LOCK_IN_CANCEL\n",
+			     lockres->l_namelen, lockres->l_name);
 			spin_unlock(&lockres->l_lock);
 			goto drop_ref;
 		}
@@ -322,32 +345,31 @@ static void user_dlm_unblock_lock(struct work_struct *work)
 		lockres->l_flags |= USER_LOCK_IN_CANCEL;
 		spin_unlock(&lockres->l_lock);
 
-		status = dlmunlock(dlm,
-				   &lockres->l_lksb,
-				   LKM_CANCEL,
-				   user_unlock_ast,
-				   lockres);
-		if (status != DLM_NORMAL)
-			user_log_dlm_error("dlmunlock", status, lockres);
+		status = ocfs2_dlm_unlock(conn, &lockres->l_lksb,
+					  DLM_LKF_CANCEL);
+		if (status)
+			user_log_dlm_error("ocfs2_dlm_unlock", status, lockres);
 		goto drop_ref;
 	}
 
 	/* If there are still incompat holders, we can exit safely
 	 * without worrying about re-queueing this lock as that will
 	 * happen on the last call to user_cluster_unlock. */
-	if ((lockres->l_blocking == LKM_EXMODE)
+	if ((lockres->l_blocking == DLM_LOCK_EX)
 	    && (lockres->l_ex_holders || lockres->l_ro_holders)) {
 		spin_unlock(&lockres->l_lock);
-		mlog(0, "can't downconvert for ex: ro = %u, ex = %u\n",
-			lockres->l_ro_holders, lockres->l_ex_holders);
+		mlog(ML_BASTS, "lockres %.*s, EX/PR Holders %u,%u\n",
+		     lockres->l_namelen, lockres->l_name,
+		     lockres->l_ex_holders, lockres->l_ro_holders);
 		goto drop_ref;
 	}
 
-	if ((lockres->l_blocking == LKM_PRMODE)
+	if ((lockres->l_blocking == DLM_LOCK_PR)
 	    && lockres->l_ex_holders) {
 		spin_unlock(&lockres->l_lock);
-		mlog(0, "can't downconvert for pr: ex = %u\n",
-			lockres->l_ex_holders);
+		mlog(ML_BASTS, "lockres %.*s, EX Holders %u\n",
+		     lockres->l_namelen, lockres->l_name,
+		     lockres->l_ex_holders);
 		goto drop_ref;
 	}
 
@@ -355,22 +377,17 @@ static void user_dlm_unblock_lock(struct work_struct *work)
 	new_level = user_highest_compat_lock_level(lockres->l_blocking);
 	lockres->l_requested = new_level;
 	lockres->l_flags |= USER_LOCK_BUSY;
-	mlog(0, "Downconvert lock from %d to %d\n",
-		lockres->l_level, new_level);
+	mlog(ML_BASTS, "lockres %.*s, downconvert %d => %d\n",
+	     lockres->l_namelen, lockres->l_name, lockres->l_level, new_level);
 	spin_unlock(&lockres->l_lock);
 
 	/* need lock downconvert request now... */
-	status = dlmlock(dlm,
-			 new_level,
-			 &lockres->l_lksb,
-			 LKM_CONVERT|LKM_VALBLK,
-			 lockres->l_name,
-			 lockres->l_namelen,
-			 user_ast,
-			 lockres,
-			 user_bast);
-	if (status != DLM_NORMAL) {
-		user_log_dlm_error("dlmlock", status, lockres);
+	status = ocfs2_dlm_lock(conn, new_level, &lockres->l_lksb,
+				DLM_LKF_CONVERT|DLM_LKF_VALBLK,
+				lockres->l_name,
+				lockres->l_namelen);
+	if (status) {
+		user_log_dlm_error("ocfs2_dlm_lock", status, lockres);
 		user_recover_from_dlm_error(lockres);
 	}
 
@@ -382,10 +399,10 @@ static inline void user_dlm_inc_holders(struct user_lock_res *lockres,
 					int level)
 {
 	switch(level) {
-	case LKM_EXMODE:
+	case DLM_LOCK_EX:
 		lockres->l_ex_holders++;
 		break;
-	case LKM_PRMODE:
+	case DLM_LOCK_PR:
 		lockres->l_ro_holders++;
 		break;
 	default:
@@ -410,20 +427,19 @@ int user_dlm_cluster_lock(struct user_lock_res *lockres,
 			  int lkm_flags)
 {
 	int status, local_flags;
-	struct dlm_ctxt *dlm = dlm_ctxt_from_user_lockres(lockres);
+	struct ocfs2_cluster_connection *conn =
+		cluster_connection_from_user_lockres(lockres);
 
-	if (level != LKM_EXMODE &&
-	    level != LKM_PRMODE) {
+	if (level != DLM_LOCK_EX &&
+	    level != DLM_LOCK_PR) {
 		mlog(ML_ERROR, "lockres %.*s: invalid request!\n",
 		     lockres->l_namelen, lockres->l_name);
 		status = -EINVAL;
 		goto bail;
 	}
 
-	mlog(0, "lockres %.*s: asking for %s lock, passed flags = 0x%x\n",
-	     lockres->l_namelen, lockres->l_name,
-	     (level == LKM_EXMODE) ? "LKM_EXMODE" : "LKM_PRMODE",
-	     lkm_flags);
+	mlog(ML_BASTS, "lockres %.*s, level %d, flags = 0x%x\n",
+	     lockres->l_namelen, lockres->l_name, level, lkm_flags);
 
 again:
 	if (signal_pending(current)) {
@@ -457,35 +473,26 @@ again:
 	}
 
 	if (level > lockres->l_level) {
-		local_flags = lkm_flags | LKM_VALBLK;
-		if (lockres->l_level != LKM_IVMODE)
-			local_flags |= LKM_CONVERT;
+		local_flags = lkm_flags | DLM_LKF_VALBLK;
+		if (lockres->l_level != DLM_LOCK_IV)
+			local_flags |= DLM_LKF_CONVERT;
 
 		lockres->l_requested = level;
 		lockres->l_flags |= USER_LOCK_BUSY;
 		spin_unlock(&lockres->l_lock);
 
-		BUG_ON(level == LKM_IVMODE);
-		BUG_ON(level == LKM_NLMODE);
+		BUG_ON(level == DLM_LOCK_IV);
+		BUG_ON(level == DLM_LOCK_NL);
 
 		/* call dlm_lock to upgrade lock now */
-		status = dlmlock(dlm,
-				 level,
-				 &lockres->l_lksb,
-				 local_flags,
-				 lockres->l_name,
-				 lockres->l_namelen,
-				 user_ast,
-				 lockres,
-				 user_bast);
-		if (status != DLM_NORMAL) {
-			if ((lkm_flags & LKM_NOQUEUE) &&
-			    (status == DLM_NOTQUEUED))
-				status = -EAGAIN;
-			else {
-				user_log_dlm_error("dlmlock", status, lockres);
-				status = -EINVAL;
-			}
+		status = ocfs2_dlm_lock(conn, level, &lockres->l_lksb,
+					local_flags, lockres->l_name,
+					lockres->l_namelen);
+		if (status) {
+			if ((lkm_flags & DLM_LKF_NOQUEUE) &&
+			    (status != -EAGAIN))
+				user_log_dlm_error("ocfs2_dlm_lock",
+						   status, lockres);
 			user_recover_from_dlm_error(lockres);
 			goto bail;
 		}
@@ -506,11 +513,11 @@ static inline void user_dlm_dec_holders(struct user_lock_res *lockres,
 					int level)
 {
 	switch(level) {
-	case LKM_EXMODE:
+	case DLM_LOCK_EX:
 		BUG_ON(!lockres->l_ex_holders);
 		lockres->l_ex_holders--;
 		break;
-	case LKM_PRMODE:
+	case DLM_LOCK_PR:
 		BUG_ON(!lockres->l_ro_holders);
 		lockres->l_ro_holders--;
 		break;
@@ -522,8 +529,8 @@ static inline void user_dlm_dec_holders(struct user_lock_res *lockres,
 void user_dlm_cluster_unlock(struct user_lock_res *lockres,
 			     int level)
 {
-	if (level != LKM_EXMODE &&
-	    level != LKM_PRMODE) {
+	if (level != DLM_LOCK_EX &&
+	    level != DLM_LOCK_PR) {
 		mlog(ML_ERROR, "lockres %.*s: invalid request!\n",
 		     lockres->l_namelen, lockres->l_name);
 		return;
@@ -540,33 +547,40 @@ void user_dlm_write_lvb(struct inode *inode,
 			unsigned int len)
 {
 	struct user_lock_res *lockres = &DLMFS_I(inode)->ip_lockres;
-	char *lvb = lockres->l_lksb.lvb;
+	char *lvb;
 
 	BUG_ON(len > DLM_LVB_LEN);
 
 	spin_lock(&lockres->l_lock);
 
-	BUG_ON(lockres->l_level < LKM_EXMODE);
+	BUG_ON(lockres->l_level < DLM_LOCK_EX);
+	lvb = ocfs2_dlm_lvb(&lockres->l_lksb);
 	memcpy(lvb, val, len);
 
 	spin_unlock(&lockres->l_lock);
 }
 
-void user_dlm_read_lvb(struct inode *inode,
-		       char *val,
-		       unsigned int len)
+ssize_t user_dlm_read_lvb(struct inode *inode,
+			  char *val,
+			  unsigned int len)
 {
 	struct user_lock_res *lockres = &DLMFS_I(inode)->ip_lockres;
-	char *lvb = lockres->l_lksb.lvb;
+	char *lvb;
+	ssize_t ret = len;
 
 	BUG_ON(len > DLM_LVB_LEN);
 
 	spin_lock(&lockres->l_lock);
 
-	BUG_ON(lockres->l_level < LKM_PRMODE);
-	memcpy(val, lvb, len);
+	BUG_ON(lockres->l_level < DLM_LOCK_PR);
+	if (ocfs2_dlm_lvb_valid(&lockres->l_lksb)) {
+		lvb = ocfs2_dlm_lvb(&lockres->l_lksb);
+		memcpy(val, lvb, len);
+	} else
+		ret = 0;
 
 	spin_unlock(&lockres->l_lock);
+	return ret;
 }
 
 void user_dlm_lock_res_init(struct user_lock_res *lockres,
@@ -576,9 +590,9 @@ void user_dlm_lock_res_init(struct user_lock_res *lockres,
 
 	spin_lock_init(&lockres->l_lock);
 	init_waitqueue_head(&lockres->l_event);
-	lockres->l_level = LKM_IVMODE;
-	lockres->l_requested = LKM_IVMODE;
-	lockres->l_blocking = LKM_IVMODE;
+	lockres->l_level = DLM_LOCK_IV;
+	lockres->l_requested = DLM_LOCK_IV;
+	lockres->l_blocking = DLM_LOCK_IV;
 
 	/* should have been checked before getting here. */
 	BUG_ON(dentry->d_name.len >= USER_DLM_LOCK_ID_MAX_LEN);
@@ -592,9 +606,10 @@ void user_dlm_lock_res_init(struct user_lock_res *lockres,
 int user_dlm_destroy_lock(struct user_lock_res *lockres)
 {
 	int status = -EBUSY;
-	struct dlm_ctxt *dlm = dlm_ctxt_from_user_lockres(lockres);
+	struct ocfs2_cluster_connection *conn =
+		cluster_connection_from_user_lockres(lockres);
 
-	mlog(0, "asked to destroy %.*s\n", lockres->l_namelen, lockres->l_name);
+	mlog(ML_BASTS, "lockres %.*s\n", lockres->l_namelen, lockres->l_name);
 
 	spin_lock(&lockres->l_lock);
 	if (lockres->l_flags & USER_LOCK_IN_TEARDOWN) {
@@ -627,14 +642,9 @@ int user_dlm_destroy_lock(struct user_lock_res *lockres)
 	lockres->l_flags |= USER_LOCK_BUSY;
 	spin_unlock(&lockres->l_lock);
 
-	status = dlmunlock(dlm,
-			   &lockres->l_lksb,
-			   LKM_VALBLK,
-			   user_unlock_ast,
-			   lockres);
-	if (status != DLM_NORMAL) {
-		user_log_dlm_error("dlmunlock", status, lockres);
-		status = -EINVAL;
+	status = ocfs2_dlm_unlock(conn, &lockres->l_lksb, DLM_LKF_VALBLK);
+	if (status) {
+		user_log_dlm_error("ocfs2_dlm_unlock", status, lockres);
 		goto bail;
 	}
 
@@ -645,32 +655,34 @@ bail:
 	return status;
 }
 
-struct dlm_ctxt *user_dlm_register_context(struct qstr *name,
-					   struct dlm_protocol_version *proto)
+static void user_dlm_recovery_handler_noop(int node_num,
+					   void *recovery_data)
 {
-	struct dlm_ctxt *dlm;
-	u32 dlm_key;
-	char *domain;
-
-	domain = kmalloc(name->len + 1, GFP_NOFS);
-	if (!domain) {
-		mlog_errno(-ENOMEM);
-		return ERR_PTR(-ENOMEM);
-	}
+	/* We ignore recovery events */
+	return;
+}
 
-	dlm_key = crc32_le(0, name->name, name->len);
+void user_dlm_set_locking_protocol(void)
+{
+	ocfs2_stack_glue_set_max_proto_version(&user_dlm_lproto.lp_max_version);
+}
 
-	snprintf(domain, name->len + 1, "%.*s", name->len, name->name);
+struct ocfs2_cluster_connection *user_dlm_register(struct qstr *name)
+{
+	int rc;
+	struct ocfs2_cluster_connection *conn;
 
-	dlm = dlm_register_domain(domain, dlm_key, proto);
-	if (IS_ERR(dlm))
-		mlog_errno(PTR_ERR(dlm));
+	rc = ocfs2_cluster_connect_agnostic(name->name, name->len,
+					    &user_dlm_lproto,
+					    user_dlm_recovery_handler_noop,
+					    NULL, &conn);
+	if (rc)
+		mlog_errno(rc);
 
-	kfree(domain);
-	return dlm;
+	return rc ? ERR_PTR(rc) : conn;
 }
 
-void user_dlm_unregister_context(struct dlm_ctxt *dlm)
+void user_dlm_unregister(struct ocfs2_cluster_connection *conn)
 {
-	dlm_unregister_domain(dlm);
+	ocfs2_cluster_disconnect(conn, 0);
 }
diff --git a/fs/ocfs2/dlm/userdlm.h b/fs/ocfs2/dlmfs/userdlm.h
index 0c3cc03c61fa..3b42d79531d7 100644
--- a/fs/ocfs2/dlm/userdlm.h
+++ b/fs/ocfs2/dlmfs/userdlm.h
@@ -57,7 +57,7 @@ struct user_lock_res {
 	int                      l_level;
 	unsigned int             l_ro_holders;
 	unsigned int             l_ex_holders;
-	struct dlm_lockstatus    l_lksb;
+	struct ocfs2_dlm_lksb    l_lksb;
 
 	int                      l_requested;
 	int                      l_blocking;
@@ -80,15 +80,15 @@ void user_dlm_cluster_unlock(struct user_lock_res *lockres,
 void user_dlm_write_lvb(struct inode *inode,
 			const char *val,
 			unsigned int len);
-void user_dlm_read_lvb(struct inode *inode,
-		       char *val,
-		       unsigned int len);
-struct dlm_ctxt *user_dlm_register_context(struct qstr *name,
-					   struct dlm_protocol_version *proto);
-void user_dlm_unregister_context(struct dlm_ctxt *dlm);
+ssize_t user_dlm_read_lvb(struct inode *inode,
+			  char *val,
+			  unsigned int len);
+struct ocfs2_cluster_connection *user_dlm_register(struct qstr *name);
+void user_dlm_unregister(struct ocfs2_cluster_connection *conn);
+void user_dlm_set_locking_protocol(void);
 
 struct dlmfs_inode_private {
-	struct dlm_ctxt             *ip_dlm;
+	struct ocfs2_cluster_connection	*ip_conn;
 
 	struct user_lock_res ip_lockres; /* unused for directories. */
 	struct inode         *ip_parent;
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index e044019cb3b1..50c4ee805da4 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -297,6 +297,11 @@ static inline int ocfs2_is_inode_lock(struct ocfs2_lock_res *lockres)
 		lockres->l_type == OCFS2_LOCK_TYPE_OPEN;
 }
 
+static inline struct ocfs2_lock_res *ocfs2_lksb_to_lock_res(struct ocfs2_dlm_lksb *lksb)
+{
+	return container_of(lksb, struct ocfs2_lock_res, l_lksb);
+}
+
 static inline struct inode *ocfs2_lock_res_inode(struct ocfs2_lock_res *lockres)
 {
 	BUG_ON(!ocfs2_is_inode_lock(lockres));
@@ -927,6 +932,10 @@ static int ocfs2_generic_handle_bast(struct ocfs2_lock_res *lockres,
 		lockres->l_blocking = level;
 	}
 
+	mlog(ML_BASTS, "lockres %s, block %d, level %d, l_block %d, dwn %d\n",
+	     lockres->l_name, level, lockres->l_level, lockres->l_blocking,
+	     needs_downconvert);
+
 	if (needs_downconvert)
 		lockres_or_flags(lockres, OCFS2_LOCK_BLOCKED);
 
@@ -1040,18 +1049,17 @@ static unsigned int lockres_set_pending(struct ocfs2_lock_res *lockres)
 	return lockres->l_pending_gen;
 }
 
-
-static void ocfs2_blocking_ast(void *opaque, int level)
+static void ocfs2_blocking_ast(struct ocfs2_dlm_lksb *lksb, int level)
 {
-	struct ocfs2_lock_res *lockres = opaque;
+	struct ocfs2_lock_res *lockres = ocfs2_lksb_to_lock_res(lksb);
 	struct ocfs2_super *osb = ocfs2_get_lockres_osb(lockres);
 	int needs_downconvert;
 	unsigned long flags;
 
 	BUG_ON(level <= DLM_LOCK_NL);
 
-	mlog(0, "BAST fired for lockres %s, blocking %d, level %d type %s\n",
-	     lockres->l_name, level, lockres->l_level,
+	mlog(ML_BASTS, "BAST fired for lockres %s, blocking %d, level %d, "
+	     "type %s\n", lockres->l_name, level, lockres->l_level,
 	     ocfs2_lock_type_string(lockres->l_type));
 
 	/*
@@ -1072,9 +1080,9 @@ static void ocfs2_blocking_ast(void *opaque, int level)
 	ocfs2_wake_downconvert_thread(osb);
 }
 
-static void ocfs2_locking_ast(void *opaque)
+static void ocfs2_locking_ast(struct ocfs2_dlm_lksb *lksb)
 {
-	struct ocfs2_lock_res *lockres = opaque;
+	struct ocfs2_lock_res *lockres = ocfs2_lksb_to_lock_res(lksb);
 	struct ocfs2_super *osb = ocfs2_get_lockres_osb(lockres);
 	unsigned long flags;
 	int status;
@@ -1095,6 +1103,10 @@ static void ocfs2_locking_ast(void *opaque)
 		return;
 	}
 
+	mlog(ML_BASTS, "AST fired for lockres %s, action %d, unlock %d, "
+	     "level %d => %d\n", lockres->l_name, lockres->l_action,
+	     lockres->l_unlock_action, lockres->l_level, lockres->l_requested);
+
 	switch(lockres->l_action) {
 	case OCFS2_AST_ATTACH:
 		ocfs2_generic_handle_attach_action(lockres);
@@ -1107,8 +1119,8 @@ static void ocfs2_locking_ast(void *opaque)
 		ocfs2_generic_handle_downconvert_action(lockres);
 		break;
 	default:
-		mlog(ML_ERROR, "lockres %s: ast fired with invalid action: %u "
-		     "lockres flags = 0x%lx, unlock action: %u\n",
+		mlog(ML_ERROR, "lockres %s: AST fired with invalid action: %u, "
+		     "flags 0x%lx, unlock: %u\n",
 		     lockres->l_name, lockres->l_action, lockres->l_flags,
 		     lockres->l_unlock_action);
 		BUG();
@@ -1134,6 +1146,88 @@ out:
 	spin_unlock_irqrestore(&lockres->l_lock, flags);
 }
 
+static void ocfs2_unlock_ast(struct ocfs2_dlm_lksb *lksb, int error)
+{
+	struct ocfs2_lock_res *lockres = ocfs2_lksb_to_lock_res(lksb);
+	unsigned long flags;
+
+	mlog_entry_void();
+
+	mlog(ML_BASTS, "UNLOCK AST fired for lockres %s, action = %d\n",
+	     lockres->l_name, lockres->l_unlock_action);
+
+	spin_lock_irqsave(&lockres->l_lock, flags);
+	if (error) {
+		mlog(ML_ERROR, "Dlm passes error %d for lock %s, "
+		     "unlock_action %d\n", error, lockres->l_name,
+		     lockres->l_unlock_action);
+		spin_unlock_irqrestore(&lockres->l_lock, flags);
+		mlog_exit_void();
+		return;
+	}
+
+	switch(lockres->l_unlock_action) {
+	case OCFS2_UNLOCK_CANCEL_CONVERT:
+		mlog(0, "Cancel convert success for %s\n", lockres->l_name);
+		lockres->l_action = OCFS2_AST_INVALID;
+		/* Downconvert thread may have requeued this lock, we
+		 * need to wake it. */
+		if (lockres->l_flags & OCFS2_LOCK_BLOCKED)
+			ocfs2_wake_downconvert_thread(ocfs2_get_lockres_osb(lockres));
+		break;
+	case OCFS2_UNLOCK_DROP_LOCK:
+		lockres->l_level = DLM_LOCK_IV;
+		break;
+	default:
+		BUG();
+	}
+
+	lockres_clear_flags(lockres, OCFS2_LOCK_BUSY);
+	lockres->l_unlock_action = OCFS2_UNLOCK_INVALID;
+	wake_up(&lockres->l_event);
+	spin_unlock_irqrestore(&lockres->l_lock, flags);
+
+	mlog_exit_void();
+}
+
+/*
+ * This is the filesystem locking protocol.  It provides the lock handling
+ * hooks for the underlying DLM.  It has a maximum version number.
+ * The version number allows interoperability with systems running at
+ * the same major number and an equal or smaller minor number.
+ *
+ * Whenever the filesystem does new things with locks (adds or removes a
+ * lock, orders them differently, does different things underneath a lock),
+ * the version must be changed.  The protocol is negotiated when joining
+ * the dlm domain.  A node may join the domain if its major version is
+ * identical to all other nodes and its minor version is greater than
+ * or equal to all other nodes.  When its minor version is greater than
+ * the other nodes, it will run at the minor version specified by the
+ * other nodes.
+ *
+ * If a locking change is made that will not be compatible with older
+ * versions, the major number must be increased and the minor version set
+ * to zero.  If a change merely adds a behavior that can be disabled when
+ * speaking to older versions, the minor version must be increased.  If a
+ * change adds a fully backwards compatible change (eg, LVB changes that
+ * are just ignored by older versions), the version does not need to be
+ * updated.
+ */
+static struct ocfs2_locking_protocol lproto = {
+	.lp_max_version = {
+		.pv_major = OCFS2_LOCKING_PROTOCOL_MAJOR,
+		.pv_minor = OCFS2_LOCKING_PROTOCOL_MINOR,
+	},
+	.lp_lock_ast		= ocfs2_locking_ast,
+	.lp_blocking_ast	= ocfs2_blocking_ast,
+	.lp_unlock_ast		= ocfs2_unlock_ast,
+};
+
+void ocfs2_set_locking_protocol(void)
+{
+	ocfs2_stack_glue_set_max_proto_version(&lproto.lp_max_version);
+}
+
 static inline void ocfs2_recover_from_dlm_error(struct ocfs2_lock_res *lockres,
 						int convert)
 {
@@ -1189,8 +1283,7 @@ static int ocfs2_lock_create(struct ocfs2_super *osb,
 			     &lockres->l_lksb,
 			     dlm_flags,
 			     lockres->l_name,
-			     OCFS2_LOCK_ID_MAX_LEN - 1,
-			     lockres);
+			     OCFS2_LOCK_ID_MAX_LEN - 1);
 	lockres_clear_pending(lockres, gen, osb);
 	if (ret) {
 		ocfs2_log_dlm_error("ocfs2_dlm_lock", ret, lockres);
@@ -1412,7 +1505,7 @@ again:
 		BUG_ON(level == DLM_LOCK_IV);
 		BUG_ON(level == DLM_LOCK_NL);
 
-		mlog(0, "lock %s, convert from %d to level = %d\n",
+		mlog(ML_BASTS, "lockres %s, convert from %d to %d\n",
 		     lockres->l_name, lockres->l_level, level);
 
 		/* call dlm_lock to upgrade lock now */
@@ -1421,8 +1514,7 @@ again:
 				     &lockres->l_lksb,
 				     lkm_flags,
 				     lockres->l_name,
-				     OCFS2_LOCK_ID_MAX_LEN - 1,
-				     lockres);
+				     OCFS2_LOCK_ID_MAX_LEN - 1);
 		lockres_clear_pending(lockres, gen, osb);
 		if (ret) {
 			if (!(lkm_flags & DLM_LKF_NOQUEUE) ||
@@ -1789,7 +1881,7 @@ out:
  * ocfs2_file_lock() and ocfs2_file_unlock() map to a single pair of
  * flock() calls. The locking approach this requires is sufficiently
  * different from all other cluster lock types that we implement a
- * seperate path to the "low-level" dlm calls. In particular:
+ * separate path to the "low-level" dlm calls. In particular:
  *
  * - No optimization of lock levels is done - we take at exactly
  *   what's been requested.
@@ -1859,8 +1951,7 @@ int ocfs2_file_lock(struct file *file, int ex, int trylock)
 	spin_unlock_irqrestore(&lockres->l_lock, flags);
 
 	ret = ocfs2_dlm_lock(osb->cconn, level, &lockres->l_lksb, lkm_flags,
-			     lockres->l_name, OCFS2_LOCK_ID_MAX_LEN - 1,
-			     lockres);
+			     lockres->l_name, OCFS2_LOCK_ID_MAX_LEN - 1);
 	if (ret) {
 		if (!trylock || (ret != -EAGAIN)) {
 			ocfs2_log_dlm_error("ocfs2_dlm_lock", ret, lockres);
@@ -2989,7 +3080,7 @@ int ocfs2_dlm_init(struct ocfs2_super *osb)
 	status = ocfs2_cluster_connect(osb->osb_cluster_stack,
 				       osb->uuid_str,
 				       strlen(osb->uuid_str),
-				       ocfs2_do_node_down, osb,
+				       &lproto, ocfs2_do_node_down, osb,
 				       &conn);
 	if (status) {
 		mlog_errno(status);
@@ -3056,50 +3147,6 @@ void ocfs2_dlm_shutdown(struct ocfs2_super *osb,
 	mlog_exit_void();
 }
 
-static void ocfs2_unlock_ast(void *opaque, int error)
-{
-	struct ocfs2_lock_res *lockres = opaque;
-	unsigned long flags;
-
-	mlog_entry_void();
-
-	mlog(0, "UNLOCK AST called on lock %s, action = %d\n", lockres->l_name,
-	     lockres->l_unlock_action);
-
-	spin_lock_irqsave(&lockres->l_lock, flags);
-	if (error) {
-		mlog(ML_ERROR, "Dlm passes error %d for lock %s, "
-		     "unlock_action %d\n", error, lockres->l_name,
-		     lockres->l_unlock_action);
-		spin_unlock_irqrestore(&lockres->l_lock, flags);
-		mlog_exit_void();
-		return;
-	}
-
-	switch(lockres->l_unlock_action) {
-	case OCFS2_UNLOCK_CANCEL_CONVERT:
-		mlog(0, "Cancel convert success for %s\n", lockres->l_name);
-		lockres->l_action = OCFS2_AST_INVALID;
-		/* Downconvert thread may have requeued this lock, we
-		 * need to wake it. */
-		if (lockres->l_flags & OCFS2_LOCK_BLOCKED)
-			ocfs2_wake_downconvert_thread(ocfs2_get_lockres_osb(lockres));
-		break;
-	case OCFS2_UNLOCK_DROP_LOCK:
-		lockres->l_level = DLM_LOCK_IV;
-		break;
-	default:
-		BUG();
-	}
-
-	lockres_clear_flags(lockres, OCFS2_LOCK_BUSY);
-	lockres->l_unlock_action = OCFS2_UNLOCK_INVALID;
-	wake_up(&lockres->l_event);
-	spin_unlock_irqrestore(&lockres->l_lock, flags);
-
-	mlog_exit_void();
-}
-
 static int ocfs2_drop_lock(struct ocfs2_super *osb,
 			   struct ocfs2_lock_res *lockres)
 {
@@ -3167,8 +3214,7 @@ static int ocfs2_drop_lock(struct ocfs2_super *osb,
 
 	mlog(0, "lock %s\n", lockres->l_name);
 
-	ret = ocfs2_dlm_unlock(osb->cconn, &lockres->l_lksb, lkm_flags,
-			       lockres);
+	ret = ocfs2_dlm_unlock(osb->cconn, &lockres->l_lksb, lkm_flags);
 	if (ret) {
 		ocfs2_log_dlm_error("ocfs2_dlm_unlock", ret, lockres);
 		mlog(ML_ERROR, "lockres flags: %lu\n", lockres->l_flags);
@@ -3276,13 +3322,20 @@ static unsigned int ocfs2_prepare_downconvert(struct ocfs2_lock_res *lockres,
 	BUG_ON(lockres->l_blocking <= DLM_LOCK_NL);
 
 	if (lockres->l_level <= new_level) {
-		mlog(ML_ERROR, "lockres->l_level (%d) <= new_level (%d)\n",
-		     lockres->l_level, new_level);
+		mlog(ML_ERROR, "lockres %s, lvl %d <= %d, blcklst %d, mask %d, "
+		     "type %d, flags 0x%lx, hold %d %d, act %d %d, req %d, "
+		     "block %d, pgen %d\n", lockres->l_name, lockres->l_level,
+		     new_level, list_empty(&lockres->l_blocked_list),
+		     list_empty(&lockres->l_mask_waiters), lockres->l_type,
+		     lockres->l_flags, lockres->l_ro_holders,
+		     lockres->l_ex_holders, lockres->l_action,
+		     lockres->l_unlock_action, lockres->l_requested,
+		     lockres->l_blocking, lockres->l_pending_gen);
 		BUG();
 	}
 
-	mlog(0, "lock %s, new_level = %d, l_blocking = %d\n",
-	     lockres->l_name, new_level, lockres->l_blocking);
+	mlog(ML_BASTS, "lockres %s, level %d => %d, blocking %d\n",
+	     lockres->l_name, lockres->l_level, new_level, lockres->l_blocking);
 
 	lockres->l_action = OCFS2_AST_DOWNCONVERT;
 	lockres->l_requested = new_level;
@@ -3301,6 +3354,9 @@ static int ocfs2_downconvert_lock(struct ocfs2_super *osb,
 
 	mlog_entry_void();
 
+	mlog(ML_BASTS, "lockres %s, level %d => %d\n", lockres->l_name,
+	     lockres->l_level, new_level);
+
 	if (lvb)
 		dlm_flags |= DLM_LKF_VALBLK;
 
@@ -3309,8 +3365,7 @@ static int ocfs2_downconvert_lock(struct ocfs2_super *osb,
 			     &lockres->l_lksb,
 			     dlm_flags,
 			     lockres->l_name,
-			     OCFS2_LOCK_ID_MAX_LEN - 1,
-			     lockres);
+			     OCFS2_LOCK_ID_MAX_LEN - 1);
 	lockres_clear_pending(lockres, generation, osb);
 	if (ret) {
 		ocfs2_log_dlm_error("ocfs2_dlm_lock", ret, lockres);
@@ -3331,14 +3386,12 @@ static int ocfs2_prepare_cancel_convert(struct ocfs2_super *osb,
 	assert_spin_locked(&lockres->l_lock);
 
 	mlog_entry_void();
-	mlog(0, "lock %s\n", lockres->l_name);
 
 	if (lockres->l_unlock_action == OCFS2_UNLOCK_CANCEL_CONVERT) {
 		/* If we're already trying to cancel a lock conversion
 		 * then just drop the spinlock and allow the caller to
 		 * requeue this lock. */
-
-		mlog(0, "Lockres %s, skip convert\n", lockres->l_name);
+		mlog(ML_BASTS, "lockres %s, skip convert\n", lockres->l_name);
 		return 0;
 	}
 
@@ -3353,6 +3406,8 @@ static int ocfs2_prepare_cancel_convert(struct ocfs2_super *osb,
 			"lock %s, invalid flags: 0x%lx\n",
 			lockres->l_name, lockres->l_flags);
 
+	mlog(ML_BASTS, "lockres %s\n", lockres->l_name);
+
 	return 1;
 }
 
@@ -3362,16 +3417,15 @@ static int ocfs2_cancel_convert(struct ocfs2_super *osb,
 	int ret;
 
 	mlog_entry_void();
-	mlog(0, "lock %s\n", lockres->l_name);
 
 	ret = ocfs2_dlm_unlock(osb->cconn, &lockres->l_lksb,
-			       DLM_LKF_CANCEL, lockres);
+			       DLM_LKF_CANCEL);
 	if (ret) {
 		ocfs2_log_dlm_error("ocfs2_dlm_unlock", ret, lockres);
 		ocfs2_recover_from_dlm_error(lockres, 0);
 	}
 
-	mlog(0, "lock %s return from ocfs2_dlm_unlock\n", lockres->l_name);
+	mlog(ML_BASTS, "lockres %s\n", lockres->l_name);
 
 	mlog_exit(ret);
 	return ret;
@@ -3428,8 +3482,11 @@ recheck:
 		 * at the same time they set OCFS2_DLM_BUSY.  They must
 		 * clear OCFS2_DLM_PENDING after dlm_lock() returns.
 		 */
-		if (lockres->l_flags & OCFS2_LOCK_PENDING)
+		if (lockres->l_flags & OCFS2_LOCK_PENDING) {
+			mlog(ML_BASTS, "lockres %s, ReQ: Pending\n",
+			     lockres->l_name);
 			goto leave_requeue;
+		}
 
 		ctl->requeue = 1;
 		ret = ocfs2_prepare_cancel_convert(osb, lockres);
@@ -3461,6 +3518,7 @@ recheck:
 	 */
 	if (lockres->l_level == DLM_LOCK_NL) {
 		BUG_ON(lockres->l_ex_holders || lockres->l_ro_holders);
+		mlog(ML_BASTS, "lockres %s, Aborting dc\n", lockres->l_name);
 		lockres->l_blocking = DLM_LOCK_NL;
 		lockres_clear_flags(lockres, OCFS2_LOCK_BLOCKED);
 		spin_unlock_irqrestore(&lockres->l_lock, flags);
@@ -3470,28 +3528,41 @@ recheck:
 	/* if we're blocking an exclusive and we have *any* holders,
 	 * then requeue. */
 	if ((lockres->l_blocking == DLM_LOCK_EX)
-	    && (lockres->l_ex_holders || lockres->l_ro_holders))
+	    && (lockres->l_ex_holders || lockres->l_ro_holders)) {
+		mlog(ML_BASTS, "lockres %s, ReQ: EX/PR Holders %u,%u\n",
+		     lockres->l_name, lockres->l_ex_holders,
+		     lockres->l_ro_holders);
 		goto leave_requeue;
+	}
 
 	/* If it's a PR we're blocking, then only
 	 * requeue if we've got any EX holders */
 	if (lockres->l_blocking == DLM_LOCK_PR &&
-	    lockres->l_ex_holders)
+	    lockres->l_ex_holders) {
+		mlog(ML_BASTS, "lockres %s, ReQ: EX Holders %u\n",
+		     lockres->l_name, lockres->l_ex_holders);
 		goto leave_requeue;
+	}
 
 	/*
 	 * Can we get a lock in this state if the holder counts are
 	 * zero? The meta data unblock code used to check this.
 	 */
 	if ((lockres->l_ops->flags & LOCK_TYPE_REQUIRES_REFRESH)
-	    && (lockres->l_flags & OCFS2_LOCK_REFRESHING))
+	    && (lockres->l_flags & OCFS2_LOCK_REFRESHING)) {
+		mlog(ML_BASTS, "lockres %s, ReQ: Lock Refreshing\n",
+		     lockres->l_name);
 		goto leave_requeue;
+	}
 
 	new_level = ocfs2_highest_compat_lock_level(lockres->l_blocking);
 
 	if (lockres->l_ops->check_downconvert
-	    && !lockres->l_ops->check_downconvert(lockres, new_level))
+	    && !lockres->l_ops->check_downconvert(lockres, new_level)) {
+		mlog(ML_BASTS, "lockres %s, ReQ: Checkpointing\n",
+		     lockres->l_name);
 		goto leave_requeue;
+	}
 
 	/* If we get here, then we know that there are no more
 	 * incompatible holders (and anyone asking for an incompatible
@@ -3509,13 +3580,19 @@ recheck:
 
 	ctl->unblock_action = lockres->l_ops->downconvert_worker(lockres, blocking);
 
-	if (ctl->unblock_action == UNBLOCK_STOP_POST)
+	if (ctl->unblock_action == UNBLOCK_STOP_POST) {
+		mlog(ML_BASTS, "lockres %s, UNBLOCK_STOP_POST\n",
+		     lockres->l_name);
 		goto leave;
+	}
 
 	spin_lock_irqsave(&lockres->l_lock, flags);
 	if ((blocking != lockres->l_blocking) || (level != lockres->l_level)) {
 		/* If this changed underneath us, then we can't drop
 		 * it just yet. */
+		mlog(ML_BASTS, "lockres %s, block=%d:%d, level=%d:%d, "
+		     "Recheck\n", lockres->l_name, blocking,
+		     lockres->l_blocking, level, lockres->l_level);
 		goto recheck;
 	}
 
@@ -3910,45 +3987,6 @@ void ocfs2_refcount_unlock(struct ocfs2_refcount_tree *ref_tree, int ex)
 		ocfs2_cluster_unlock(osb, lockres, level);
 }
 
-/*
- * This is the filesystem locking protocol.  It provides the lock handling
- * hooks for the underlying DLM.  It has a maximum version number.
- * The version number allows interoperability with systems running at
- * the same major number and an equal or smaller minor number.
- *
- * Whenever the filesystem does new things with locks (adds or removes a
- * lock, orders them differently, does different things underneath a lock),
- * the version must be changed.  The protocol is negotiated when joining
- * the dlm domain.  A node may join the domain if its major version is
- * identical to all other nodes and its minor version is greater than
- * or equal to all other nodes.  When its minor version is greater than
- * the other nodes, it will run at the minor version specified by the
- * other nodes.
- *
- * If a locking change is made that will not be compatible with older
- * versions, the major number must be increased and the minor version set
- * to zero.  If a change merely adds a behavior that can be disabled when
- * speaking to older versions, the minor version must be increased.  If a
- * change adds a fully backwards compatible change (eg, LVB changes that
- * are just ignored by older versions), the version does not need to be
- * updated.
- */
-static struct ocfs2_locking_protocol lproto = {
-	.lp_max_version = {
-		.pv_major = OCFS2_LOCKING_PROTOCOL_MAJOR,
-		.pv_minor = OCFS2_LOCKING_PROTOCOL_MINOR,
-	},
-	.lp_lock_ast		= ocfs2_locking_ast,
-	.lp_blocking_ast	= ocfs2_blocking_ast,
-	.lp_unlock_ast		= ocfs2_unlock_ast,
-};
-
-void ocfs2_set_locking_protocol(void)
-{
-	ocfs2_stack_glue_set_locking_protocol(&lproto);
-}
-
-
 static void ocfs2_process_blocked_lock(struct ocfs2_super *osb,
 				       struct ocfs2_lock_res *lockres)
 {
@@ -3965,7 +4003,7 @@ static void ocfs2_process_blocked_lock(struct ocfs2_super *osb,
 	BUG_ON(!lockres);
 	BUG_ON(!lockres->l_ops);
 
-	mlog(0, "lockres %s blocked.\n", lockres->l_name);
+	mlog(ML_BASTS, "lockres %s blocked\n", lockres->l_name);
 
 	/* Detect whether a lock has been marked as going away while
 	 * the downconvert thread was processing other things. A lock can
@@ -3988,7 +4026,7 @@ unqueue:
 	} else
 		ocfs2_schedule_blocked_lock(osb, lockres);
 
-	mlog(0, "lockres %s, requeue = %s.\n", lockres->l_name,
+	mlog(ML_BASTS, "lockres %s, requeue = %s.\n", lockres->l_name,
 	     ctl.requeue ? "yes" : "no");
 	spin_unlock_irqrestore(&lockres->l_lock, flags);
 
@@ -4010,7 +4048,7 @@ static void ocfs2_schedule_blocked_lock(struct ocfs2_super *osb,
 		/* Do not schedule a lock for downconvert when it's on
 		 * the way to destruction - any nodes wanting access
 		 * to the resource will get it soon. */
-		mlog(0, "Lockres %s won't be scheduled: flags 0x%lx\n",
+		mlog(ML_BASTS, "lockres %s won't be scheduled: flags 0x%lx\n",
 		     lockres->l_name, lockres->l_flags);
 		return;
 	}
diff --git a/fs/ocfs2/extent_map.c b/fs/ocfs2/extent_map.c
index 5328529e7fd2..c562a7581cf9 100644
--- a/fs/ocfs2/extent_map.c
+++ b/fs/ocfs2/extent_map.c
@@ -453,7 +453,7 @@ static int ocfs2_get_clusters_nocache(struct inode *inode,
 	if (i == -1) {
 		/*
 		 * Holes can be larger than the maximum size of an
-		 * extent, so we return their lengths in a seperate
+		 * extent, so we return their lengths in a separate
 		 * field.
 		 */
 		if (hole_len) {
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 558ce0312421..17947dc8341e 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -107,6 +107,9 @@ static int ocfs2_file_open(struct inode *inode, struct file *file)
 	mlog_entry("(0x%p, 0x%p, '%.*s')\n", inode, file,
 		   file->f_path.dentry->d_name.len, file->f_path.dentry->d_name.name);
 
+	if (file->f_mode & FMODE_WRITE)
+		dquot_initialize(inode);
+
 	spin_lock(&oi->ip_lock);
 
 	/* Check that the inode hasn't been wiped from disk by another
@@ -629,11 +632,10 @@ restart_all:
 	}
 
 restarted_transaction:
-	if (vfs_dq_alloc_space_nodirty(inode, ocfs2_clusters_to_bytes(osb->sb,
-	    clusters_to_add))) {
-		status = -EDQUOT;
+	status = dquot_alloc_space_nodirty(inode,
+			ocfs2_clusters_to_bytes(osb->sb, clusters_to_add));
+	if (status)
 		goto leave;
-	}
 	did_quota = 1;
 
 	/* reserve a write to the file entry early on - that we if we
@@ -674,7 +676,7 @@ restarted_transaction:
 	clusters_to_add -= (OCFS2_I(inode)->ip_clusters - prev_clusters);
 	spin_unlock(&OCFS2_I(inode)->ip_lock);
 	/* Release unused quota reservation */
-	vfs_dq_free_space(inode,
+	dquot_free_space(inode,
 			ocfs2_clusters_to_bytes(osb->sb, clusters_to_add));
 	did_quota = 0;
 
@@ -710,7 +712,7 @@ restarted_transaction:
 
 leave:
 	if (status < 0 && did_quota)
-		vfs_dq_free_space(inode,
+		dquot_free_space(inode,
 			ocfs2_clusters_to_bytes(osb->sb, clusters_to_add));
 	if (handle) {
 		ocfs2_commit_trans(osb, handle);
@@ -978,6 +980,8 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
 
 	size_change = S_ISREG(inode->i_mode) && attr->ia_valid & ATTR_SIZE;
 	if (size_change) {
+		dquot_initialize(inode);
+
 		status = ocfs2_rw_lock(inode, 1);
 		if (status < 0) {
 			mlog_errno(status);
@@ -993,10 +997,9 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
 	}
 
 	if (size_change && attr->ia_size != i_size_read(inode)) {
-		if (attr->ia_size > sb->s_maxbytes) {
-			status = -EFBIG;
+		status = inode_newsize_ok(inode, attr->ia_size);
+		if (status)
 			goto bail_unlock;
-		}
 
 		if (i_size_read(inode) > attr->ia_size) {
 			if (ocfs2_should_order_data(inode)) {
@@ -1021,7 +1024,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
 		/*
 		 * Gather pointers to quota structures so that allocation /
 		 * freeing of quota structures happens here and not inside
-		 * vfs_dq_transfer() where we have problems with lock ordering
+		 * dquot_transfer() where we have problems with lock ordering
 		 */
 		if (attr->ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid
 		    && OCFS2_HAS_RO_COMPAT_FEATURE(sb,
@@ -1054,7 +1057,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr)
 			mlog_errno(status);
 			goto bail_unlock;
 		}
-		status = vfs_dq_transfer(inode, attr) ? -EDQUOT : 0;
+		status = dquot_transfer(inode, attr);
 		if (status < 0)
 			goto bail_commit;
 	} else {
@@ -1836,6 +1839,8 @@ static int ocfs2_prepare_inode_for_write(struct dentry *dentry,
 							       &meta_level);
 			if (has_refcount)
 				*has_refcount = 1;
+			if (direct_io)
+				*direct_io = 0;
 		}
 
 		if (ret < 0) {
@@ -1859,10 +1864,6 @@ static int ocfs2_prepare_inode_for_write(struct dentry *dentry,
 			break;
 		}
 
-		if (has_refcount && *has_refcount == 1) {
-			*direct_io = 0;
-			break;
-		}
 		/*
 		 * Allowing concurrent direct writes means
 		 * i_size changes wouldn't be synchronized, so
@@ -2043,7 +2044,7 @@ out_dio:
 	 * async dio is going to do it in the future or an end_io after an
 	 * error has already done it.
 	 */
-	if (ret == -EIOCBQUEUED || !ocfs2_iocb_is_rw_locked(iocb)) {
+	if ((ret == -EIOCBQUEUED) || (!ocfs2_iocb_is_rw_locked(iocb))) {
 		rw_level = -1;
 		have_alloc_sem = 0;
 	}
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index 88459bdd1ff3..ab207901d32a 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -665,7 +665,7 @@ static int ocfs2_remove_inode(struct inode *inode,
 	}
 
 	ocfs2_remove_from_cache(INODE_CACHE(inode), di_bh);
-	vfs_dq_free_inode(inode);
+	dquot_free_inode(inode);
 
 	status = ocfs2_free_dinode(handle, inode_alloc_inode,
 				   inode_alloc_bh, di);
@@ -891,6 +891,21 @@ static int ocfs2_query_inode_wipe(struct inode *inode,
 	/* Do some basic inode verification... */
 	di = (struct ocfs2_dinode *) di_bh->b_data;
 	if (!(di->i_flags & cpu_to_le32(OCFS2_ORPHANED_FL))) {
+		/*
+		 * Inodes in the orphan dir must have ORPHANED_FL.  The only
+		 * inodes that come back out of the orphan dir are reflink
+		 * targets. A reflink target may be moved out of the orphan
+		 * dir between the time we scan the directory and the time we
+		 * process it. This would lead to HAS_REFCOUNT_FL being set but
+		 * ORPHANED_FL not.
+		 */
+		if (di->i_dyn_features & cpu_to_le16(OCFS2_HAS_REFCOUNT_FL)) {
+			mlog(0, "Reflinked inode %llu is no longer orphaned.  "
+			     "it shouldn't be deleted\n",
+			     (unsigned long long)oi->ip_blkno);
+			goto bail;
+		}
+
 		/* for lack of a better error? */
 		status = -EEXIST;
 		mlog(ML_ERROR,
@@ -971,6 +986,8 @@ void ocfs2_delete_inode(struct inode *inode)
 		goto bail;
 	}
 
+	dquot_initialize(inode);
+
 	if (!ocfs2_inode_is_valid_to_delete(inode)) {
 		/* It's probably not necessary to truncate_inode_pages
 		 * here but we do it for safety anyway (it will most
@@ -1087,6 +1104,8 @@ void ocfs2_clear_inode(struct inode *inode)
 	mlog_bug_on_msg(OCFS2_SB(inode->i_sb) == NULL,
 			"Inode=%lu\n", inode->i_ino);
 
+	dquot_drop(inode);
+
 	/* To preven remote deletes we hold open lock before, now it
 	 * is time to unlock PR and EX open locks. */
 	ocfs2_open_unlock(inode);
diff --git a/fs/ocfs2/ioctl.h b/fs/ocfs2/ioctl.h
index cf9a5ee30fef..0cd5323bd3f0 100644
--- a/fs/ocfs2/ioctl.h
+++ b/fs/ocfs2/ioctl.h
@@ -7,10 +7,10 @@
  *
  */
 
-#ifndef OCFS2_IOCTL_H
-#define OCFS2_IOCTL_H
+#ifndef OCFS2_IOCTL_PROTO_H
+#define OCFS2_IOCTL_PROTO_H
 
 long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
 long ocfs2_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg);
 
-#endif /* OCFS2_IOCTL_H */
+#endif /* OCFS2_IOCTL_PROTO_H */
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index ac10f83edb95..c983715d8d8c 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -476,7 +476,7 @@ out_mutex:
 
 out:
 	if (!status)
-		ocfs2_init_inode_steal_slot(osb);
+		ocfs2_init_steal_slots(osb);
 	mlog_exit(status);
 	return status;
 }
@@ -872,8 +872,10 @@ static int ocfs2_sync_local_to_main(struct ocfs2_super *osb,
 			     (unsigned long long)la_start_blk,
 			     (unsigned long long)blkno);
 
-			status = ocfs2_free_clusters(handle, main_bm_inode,
-						     main_bm_bh, blkno, count);
+			status = ocfs2_release_clusters(handle,
+							main_bm_inode,
+							main_bm_bh, blkno,
+							count);
 			if (status < 0) {
 				mlog_errno(status);
 				goto bail;
@@ -984,8 +986,7 @@ static int ocfs2_local_alloc_reserve_for_window(struct ocfs2_super *osb,
 	}
 
 retry_enospc:
-	(*ac)->ac_bits_wanted = osb->local_alloc_bits;
-
+	(*ac)->ac_bits_wanted = osb->local_alloc_default_bits;
 	status = ocfs2_reserve_cluster_bitmap_bits(osb, *ac);
 	if (status == -ENOSPC) {
 		if (ocfs2_recalc_la_window(osb, OCFS2_LA_EVENT_ENOSPC) ==
@@ -1061,6 +1062,7 @@ retry_enospc:
 		    OCFS2_LA_DISABLED)
 			goto bail;
 
+		ac->ac_bits_wanted = osb->local_alloc_default_bits;
 		status = ocfs2_claim_clusters(osb, handle, ac,
 					      osb->local_alloc_bits,
 					      &cluster_off,
diff --git a/fs/ocfs2/locks.c b/fs/ocfs2/locks.c
index 544ac6245175..b5cb3ede9408 100644
--- a/fs/ocfs2/locks.c
+++ b/fs/ocfs2/locks.c
@@ -133,7 +133,7 @@ int ocfs2_lock(struct file *file, int cmd, struct file_lock *fl)
 
 	if (!(fl->fl_flags & FL_POSIX))
 		return -ENOLCK;
-	if (__mandatory_lock(inode))
+	if (__mandatory_lock(inode) && fl->fl_type != F_UNLCK)
 		return -ENOLCK;
 
 	return ocfs2_plock(osb->cconn, OCFS2_I(inode)->ip_blkno, file, cmd, fl);
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 50fb26a6a5f5..b1eb50ae4097 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -84,7 +84,7 @@ static int ocfs2_prepare_orphan_dir(struct ocfs2_super *osb,
 static int ocfs2_orphan_add(struct ocfs2_super *osb,
 			    handle_t *handle,
 			    struct inode *inode,
-			    struct ocfs2_dinode *fe,
+			    struct buffer_head *fe_bh,
 			    char *name,
 			    struct ocfs2_dir_lookup_result *lookup,
 			    struct inode *orphan_dir_inode);
@@ -212,7 +212,7 @@ static struct inode *ocfs2_get_init_inode(struct inode *dir, int mode)
 	} else
 		inode->i_gid = current_fsgid();
 	inode->i_mode = mode;
-	vfs_dq_init(inode);
+	dquot_initialize(inode);
 	return inode;
 }
 
@@ -244,6 +244,8 @@ static int ocfs2_mknod(struct inode *dir,
 		   (unsigned long)dev, dentry->d_name.len,
 		   dentry->d_name.name);
 
+	dquot_initialize(dir);
+
 	/* get our super block */
 	osb = OCFS2_SB(dir->i_sb);
 
@@ -348,13 +350,9 @@ static int ocfs2_mknod(struct inode *dir,
 		goto leave;
 	}
 
-	/* We don't use standard VFS wrapper because we don't want vfs_dq_init
-	 * to be called. */
-	if (sb_any_quota_active(osb->sb) &&
-	    osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) {
-		status = -EDQUOT;
+	status = dquot_alloc_inode(inode);
+	if (status)
 		goto leave;
-	}
 	did_quota_inode = 1;
 
 	mlog_entry("(0x%p, 0x%p, %d, %lu, '%.*s')\n", dir, dentry,
@@ -431,7 +429,7 @@ static int ocfs2_mknod(struct inode *dir,
 	status = 0;
 leave:
 	if (status < 0 && did_quota_inode)
-		vfs_dq_free_inode(inode);
+		dquot_free_inode(inode);
 	if (handle)
 		ocfs2_commit_trans(osb, handle);
 
@@ -636,6 +634,8 @@ static int ocfs2_link(struct dentry *old_dentry,
 	if (S_ISDIR(inode->i_mode))
 		return -EPERM;
 
+	dquot_initialize(dir);
+
 	err = ocfs2_inode_lock_nested(dir, &parent_fe_bh, 1, OI_LS_PARENT);
 	if (err < 0) {
 		if (err != -ENOENT)
@@ -791,6 +791,8 @@ static int ocfs2_unlink(struct inode *dir,
 	mlog_entry("(0x%p, 0x%p, '%.*s')\n", dir, dentry,
 		   dentry->d_name.len, dentry->d_name.name);
 
+	dquot_initialize(dir);
+
 	BUG_ON(dentry->d_parent->d_inode != dir);
 
 	mlog(0, "ino = %llu\n", (unsigned long long)OCFS2_I(inode)->ip_blkno);
@@ -877,7 +879,7 @@ static int ocfs2_unlink(struct inode *dir,
 	fe = (struct ocfs2_dinode *) fe_bh->b_data;
 
 	if (inode_is_unlinkable(inode)) {
-		status = ocfs2_orphan_add(osb, handle, inode, fe, orphan_name,
+		status = ocfs2_orphan_add(osb, handle, inode, fe_bh, orphan_name,
 					  &orphan_insert, orphan_dir);
 		if (status < 0) {
 			mlog_errno(status);
@@ -1051,6 +1053,9 @@ static int ocfs2_rename(struct inode *old_dir,
 		   old_dentry->d_name.len, old_dentry->d_name.name,
 		   new_dentry->d_name.len, new_dentry->d_name.name);
 
+	dquot_initialize(old_dir);
+	dquot_initialize(new_dir);
+
 	osb = OCFS2_SB(old_dir->i_sb);
 
 	if (new_inode) {
@@ -1295,7 +1300,7 @@ static int ocfs2_rename(struct inode *old_dir,
 		if (S_ISDIR(new_inode->i_mode) ||
 		    (ocfs2_read_links_count(newfe) == 1)) {
 			status = ocfs2_orphan_add(osb, handle, new_inode,
-						  newfe, orphan_name,
+						  newfe_bh, orphan_name,
 						  &orphan_insert, orphan_dir);
 			if (status < 0) {
 				mlog_errno(status);
@@ -1599,6 +1604,8 @@ static int ocfs2_symlink(struct inode *dir,
 	mlog_entry("(0x%p, 0x%p, symname='%s' actual='%.*s')\n", dir,
 		   dentry, symname, dentry->d_name.len, dentry->d_name.name);
 
+	dquot_initialize(dir);
+
 	sb = dir->i_sb;
 	osb = OCFS2_SB(sb);
 
@@ -1688,13 +1695,9 @@ static int ocfs2_symlink(struct inode *dir,
 		goto bail;
 	}
 
-	/* We don't use standard VFS wrapper because we don't want vfs_dq_init
-	 * to be called. */
-	if (sb_any_quota_active(osb->sb) &&
-	    osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) {
-		status = -EDQUOT;
+	status = dquot_alloc_inode(inode);
+	if (status)
 		goto bail;
-	}
 	did_quota_inode = 1;
 
 	mlog_entry("(0x%p, 0x%p, %d, '%.*s')\n", dir, dentry,
@@ -1716,11 +1719,10 @@ static int ocfs2_symlink(struct inode *dir,
 		u32 offset = 0;
 
 		inode->i_op = &ocfs2_symlink_inode_operations;
-		if (vfs_dq_alloc_space_nodirty(inode,
-		    ocfs2_clusters_to_bytes(osb->sb, 1))) {
-			status = -EDQUOT;
+		status = dquot_alloc_space_nodirty(inode,
+		    ocfs2_clusters_to_bytes(osb->sb, 1));
+		if (status)
 			goto bail;
-		}
 		did_quota = 1;
 		status = ocfs2_add_inode_data(osb, inode, &offset, 1, 0,
 					      new_fe_bh,
@@ -1788,10 +1790,10 @@ static int ocfs2_symlink(struct inode *dir,
 	d_instantiate(dentry, inode);
 bail:
 	if (status < 0 && did_quota)
-		vfs_dq_free_space_nodirty(inode,
+		dquot_free_space_nodirty(inode,
 					ocfs2_clusters_to_bytes(osb->sb, 1));
 	if (status < 0 && did_quota_inode)
-		vfs_dq_free_inode(inode);
+		dquot_free_inode(inode);
 	if (handle)
 		ocfs2_commit_trans(osb, handle);
 
@@ -1909,7 +1911,7 @@ leave:
 static int ocfs2_orphan_add(struct ocfs2_super *osb,
 			    handle_t *handle,
 			    struct inode *inode,
-			    struct ocfs2_dinode *fe,
+			    struct buffer_head *fe_bh,
 			    char *name,
 			    struct ocfs2_dir_lookup_result *lookup,
 			    struct inode *orphan_dir_inode)
@@ -1917,6 +1919,7 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb,
 	struct buffer_head *orphan_dir_bh = NULL;
 	int status = 0;
 	struct ocfs2_dinode *orphan_fe;
+	struct ocfs2_dinode *fe = (struct ocfs2_dinode *) fe_bh->b_data;
 
 	mlog_entry("(inode->i_ino = %lu)\n", inode->i_ino);
 
@@ -1957,6 +1960,21 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb,
 		goto leave;
 	}
 
+	/*
+	 * We're going to journal the change of i_flags and i_orphaned_slot.
+	 * It's safe anyway, though some callers may duplicate the journaling.
+	 * Journaling within the func just make the logic look more
+	 * straightforward.
+	 */
+	status = ocfs2_journal_access_di(handle,
+					 INODE_CACHE(inode),
+					 fe_bh,
+					 OCFS2_JOURNAL_ACCESS_WRITE);
+	if (status < 0) {
+		mlog_errno(status);
+		goto leave;
+	}
+
 	le32_add_cpu(&fe->i_flags, OCFS2_ORPHANED_FL);
 
 	/* Record which orphan dir our inode now resides
@@ -1964,6 +1982,8 @@ static int ocfs2_orphan_add(struct ocfs2_super *osb,
 	 * dir to lock. */
 	fe->i_orphaned_slot = cpu_to_le16(osb->slot_num);
 
+	ocfs2_journal_dirty(handle, fe_bh);
+
 	mlog(0, "Inode %llu orphaned in slot %d\n",
 	     (unsigned long long)OCFS2_I(inode)->ip_blkno, osb->slot_num);
 
@@ -2099,13 +2119,9 @@ int ocfs2_create_inode_in_orphan(struct inode *dir,
 		goto leave;
 	}
 
-	/* We don't use standard VFS wrapper because we don't want vfs_dq_init
-	 * to be called. */
-	if (sb_any_quota_active(osb->sb) &&
-	    osb->sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA) {
-		status = -EDQUOT;
+	status = dquot_alloc_inode(inode);
+	if (status)
 		goto leave;
-	}
 	did_quota_inode = 1;
 
 	inode->i_nlink = 0;
@@ -2125,7 +2141,7 @@ int ocfs2_create_inode_in_orphan(struct inode *dir,
 	}
 
 	di = (struct ocfs2_dinode *)new_di_bh->b_data;
-	status = ocfs2_orphan_add(osb, handle, inode, di, orphan_name,
+	status = ocfs2_orphan_add(osb, handle, inode, new_di_bh, orphan_name,
 				  &orphan_insert, orphan_dir);
 	if (status < 0) {
 		mlog_errno(status);
@@ -2140,7 +2156,7 @@ int ocfs2_create_inode_in_orphan(struct inode *dir,
 	insert_inode_hash(inode);
 leave:
 	if (status < 0 && did_quota_inode)
-		vfs_dq_free_inode(inode);
+		dquot_free_inode(inode);
 	if (handle)
 		ocfs2_commit_trans(osb, handle);
 
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 740f448041e2..adf5e2ebc2c4 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -42,6 +42,7 @@
 
 #include "ocfs2_fs.h"
 #include "ocfs2_lockid.h"
+#include "ocfs2_ioctl.h"
 
 /* For struct ocfs2_blockcheck_stats */
 #include "blockcheck.h"
@@ -159,7 +160,7 @@ struct ocfs2_lock_res {
 	int                      l_level;
 	unsigned int             l_ro_holders;
 	unsigned int             l_ex_holders;
-	union ocfs2_dlm_lksb     l_lksb;
+	struct ocfs2_dlm_lksb    l_lksb;
 
 	/* used from AST/BAST funcs. */
 	enum ocfs2_ast_action    l_action;
@@ -305,7 +306,9 @@ struct ocfs2_super
 	u32 s_next_generation;
 	unsigned long osb_flags;
 	s16 s_inode_steal_slot;
+	s16 s_meta_steal_slot;
 	atomic_t s_num_inodes_stolen;
+	atomic_t s_num_meta_stolen;
 
 	unsigned long s_mount_opt;
 	unsigned int s_atime_quantum;
@@ -760,35 +763,18 @@ static inline unsigned int ocfs2_megabytes_to_clusters(struct super_block *sb,
 	return megs << (20 - OCFS2_SB(sb)->s_clustersize_bits);
 }
 
-static inline void ocfs2_init_inode_steal_slot(struct ocfs2_super *osb)
+static inline void _ocfs2_set_bit(unsigned int bit, unsigned long *bitmap)
 {
-	spin_lock(&osb->osb_lock);
-	osb->s_inode_steal_slot = OCFS2_INVALID_SLOT;
-	spin_unlock(&osb->osb_lock);
-	atomic_set(&osb->s_num_inodes_stolen, 0);
+	ext2_set_bit(bit, bitmap);
 }
+#define ocfs2_set_bit(bit, addr) _ocfs2_set_bit((bit), (unsigned long *)(addr))
 
-static inline void ocfs2_set_inode_steal_slot(struct ocfs2_super *osb,
-					      s16 slot)
+static inline void _ocfs2_clear_bit(unsigned int bit, unsigned long *bitmap)
 {
-	spin_lock(&osb->osb_lock);
-	osb->s_inode_steal_slot = slot;
-	spin_unlock(&osb->osb_lock);
-}
-
-static inline s16 ocfs2_get_inode_steal_slot(struct ocfs2_super *osb)
-{
-	s16 slot;
-
-	spin_lock(&osb->osb_lock);
-	slot = osb->s_inode_steal_slot;
-	spin_unlock(&osb->osb_lock);
-
-	return slot;
+	ext2_clear_bit(bit, bitmap);
 }
+#define ocfs2_clear_bit(bit, addr) _ocfs2_clear_bit((bit), (unsigned long *)(addr))
 
-#define ocfs2_set_bit ext2_set_bit
-#define ocfs2_clear_bit ext2_clear_bit
 #define ocfs2_test_bit ext2_test_bit
 #define ocfs2_find_next_zero_bit ext2_find_next_zero_bit
 #define ocfs2_find_next_bit ext2_find_next_bit
diff --git a/fs/ocfs2/ocfs2_fs.h b/fs/ocfs2/ocfs2_fs.h
index 7638a38c32bc..bb37218a7978 100644
--- a/fs/ocfs2/ocfs2_fs.h
+++ b/fs/ocfs2/ocfs2_fs.h
@@ -254,63 +254,6 @@
 						 * refcount tree */
 
 /*
- * ioctl commands
- */
-#define OCFS2_IOC_GETFLAGS	_IOR('f', 1, long)
-#define OCFS2_IOC_SETFLAGS	_IOW('f', 2, long)
-#define OCFS2_IOC32_GETFLAGS	_IOR('f', 1, int)
-#define OCFS2_IOC32_SETFLAGS	_IOW('f', 2, int)
-
-/*
- * Space reservation / allocation / free ioctls and argument structure
- * are designed to be compatible with XFS.
- *
- * ALLOCSP* and FREESP* are not and will never be supported, but are
- * included here for completeness.
- */
-struct ocfs2_space_resv {
-	__s16		l_type;
-	__s16		l_whence;
-	__s64		l_start;
-	__s64		l_len;		/* len == 0 means until end of file */
-	__s32		l_sysid;
-	__u32		l_pid;
-	__s32		l_pad[4];	/* reserve area			    */
-};
-
-#define OCFS2_IOC_ALLOCSP		_IOW ('X', 10, struct ocfs2_space_resv)
-#define OCFS2_IOC_FREESP		_IOW ('X', 11, struct ocfs2_space_resv)
-#define OCFS2_IOC_RESVSP		_IOW ('X', 40, struct ocfs2_space_resv)
-#define OCFS2_IOC_UNRESVSP	_IOW ('X', 41, struct ocfs2_space_resv)
-#define OCFS2_IOC_ALLOCSP64	_IOW ('X', 36, struct ocfs2_space_resv)
-#define OCFS2_IOC_FREESP64	_IOW ('X', 37, struct ocfs2_space_resv)
-#define OCFS2_IOC_RESVSP64	_IOW ('X', 42, struct ocfs2_space_resv)
-#define OCFS2_IOC_UNRESVSP64	_IOW ('X', 43, struct ocfs2_space_resv)
-
-/* Used to pass group descriptor data when online resize is done */
-struct ocfs2_new_group_input {
-	__u64 group;		/* Group descriptor's blkno. */
-	__u32 clusters;		/* Total number of clusters in this group */
-	__u32 frees;		/* Total free clusters in this group */
-	__u16 chain;		/* Chain for this group */
-	__u16 reserved1;
-	__u32 reserved2;
-};
-
-#define OCFS2_IOC_GROUP_EXTEND	_IOW('o', 1, int)
-#define OCFS2_IOC_GROUP_ADD	_IOW('o', 2,struct ocfs2_new_group_input)
-#define OCFS2_IOC_GROUP_ADD64	_IOW('o', 3,struct ocfs2_new_group_input)
-
-/* Used to pass 2 file names to reflink. */
-struct reflink_arguments {
-	__u64 old_path;
-	__u64 new_path;
-	__u64 preserve;
-};
-#define OCFS2_IOC_REFLINK	_IOW('o', 4, struct reflink_arguments)
-
-
-/*
  * Journal Flags (ocfs2_dinode.id1.journal1.i_flags)
  */
 #define OCFS2_JOURNAL_DIRTY_FL	(0x00000001)	/* Journal needs recovery */
diff --git a/fs/ocfs2/ocfs2_ioctl.h b/fs/ocfs2/ocfs2_ioctl.h
new file mode 100644
index 000000000000..2d3420af1a83
--- /dev/null
+++ b/fs/ocfs2/ocfs2_ioctl.h
@@ -0,0 +1,79 @@
+/* -*- mode: c; c-basic-offset: 8; -*-
+ * vim: noexpandtab sw=8 ts=8 sts=0:
+ *
+ * ocfs2_ioctl.h
+ *
+ * Defines OCFS2 ioctls.
+ *
+ * Copyright (C) 2010 Oracle.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License, version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef OCFS2_IOCTL_H
+#define OCFS2_IOCTL_H
+
+/*
+ * ioctl commands
+ */
+#define OCFS2_IOC_GETFLAGS	_IOR('f', 1, long)
+#define OCFS2_IOC_SETFLAGS	_IOW('f', 2, long)
+#define OCFS2_IOC32_GETFLAGS	_IOR('f', 1, int)
+#define OCFS2_IOC32_SETFLAGS	_IOW('f', 2, int)
+
+/*
+ * Space reservation / allocation / free ioctls and argument structure
+ * are designed to be compatible with XFS.
+ *
+ * ALLOCSP* and FREESP* are not and will never be supported, but are
+ * included here for completeness.
+ */
+struct ocfs2_space_resv {
+	__s16		l_type;
+	__s16		l_whence;
+	__s64		l_start;
+	__s64		l_len;		/* len == 0 means until end of file */
+	__s32		l_sysid;
+	__u32		l_pid;
+	__s32		l_pad[4];	/* reserve area			    */
+};
+
+#define OCFS2_IOC_ALLOCSP		_IOW ('X', 10, struct ocfs2_space_resv)
+#define OCFS2_IOC_FREESP		_IOW ('X', 11, struct ocfs2_space_resv)
+#define OCFS2_IOC_RESVSP		_IOW ('X', 40, struct ocfs2_space_resv)
+#define OCFS2_IOC_UNRESVSP	_IOW ('X', 41, struct ocfs2_space_resv)
+#define OCFS2_IOC_ALLOCSP64	_IOW ('X', 36, struct ocfs2_space_resv)
+#define OCFS2_IOC_FREESP64	_IOW ('X', 37, struct ocfs2_space_resv)
+#define OCFS2_IOC_RESVSP64	_IOW ('X', 42, struct ocfs2_space_resv)
+#define OCFS2_IOC_UNRESVSP64	_IOW ('X', 43, struct ocfs2_space_resv)
+
+/* Used to pass group descriptor data when online resize is done */
+struct ocfs2_new_group_input {
+	__u64 group;		/* Group descriptor's blkno. */
+	__u32 clusters;		/* Total number of clusters in this group */
+	__u32 frees;		/* Total free clusters in this group */
+	__u16 chain;		/* Chain for this group */
+	__u16 reserved1;
+	__u32 reserved2;
+};
+
+#define OCFS2_IOC_GROUP_EXTEND	_IOW('o', 1, int)
+#define OCFS2_IOC_GROUP_ADD	_IOW('o', 2,struct ocfs2_new_group_input)
+#define OCFS2_IOC_GROUP_ADD64	_IOW('o', 3,struct ocfs2_new_group_input)
+
+/* Used to pass 2 file names to reflink. */
+struct reflink_arguments {
+	__u64 old_path;
+	__u64 new_path;
+	__u64 preserve;
+};
+#define OCFS2_IOC_REFLINK	_IOW('o', 4, struct reflink_arguments)
+
+#endif /* OCFS2_IOCTL_H */
diff --git a/fs/ocfs2/ocfs2_lockingver.h b/fs/ocfs2/ocfs2_lockingver.h
index 82d5eeac0fff..2e45c8d2ea7e 100644
--- a/fs/ocfs2/ocfs2_lockingver.h
+++ b/fs/ocfs2/ocfs2_lockingver.h
@@ -23,6 +23,8 @@
 /*
  * The protocol version for ocfs2 cluster locking.  See dlmglue.c for
  * more details.
+ *
+ * 1.0 - Initial locking version from ocfs2 1.4.
  */
 #define OCFS2_LOCKING_PROTOCOL_MAJOR 1
 #define OCFS2_LOCKING_PROTOCOL_MINOR 0
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index b437dc0c4cad..355f41d1d520 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -851,13 +851,6 @@ static void ocfs2_destroy_dquot(struct dquot *dquot)
 }
 
 const struct dquot_operations ocfs2_quota_operations = {
-	.initialize	= dquot_initialize,
-	.drop		= dquot_drop,
-	.alloc_space	= dquot_alloc_space,
-	.alloc_inode	= dquot_alloc_inode,
-	.free_space	= dquot_free_space,
-	.free_inode	= dquot_free_inode,
-	.transfer	= dquot_transfer,
 	.write_dquot	= ocfs2_write_dquot,
 	.acquire_dquot	= ocfs2_acquire_dquot,
 	.release_dquot	= ocfs2_release_dquot,
diff --git a/fs/ocfs2/quota_local.c b/fs/ocfs2/quota_local.c
index 21f9e71223ca..a6467f3d262e 100644
--- a/fs/ocfs2/quota_local.c
+++ b/fs/ocfs2/quota_local.c
@@ -457,7 +457,7 @@ static int ocfs2_recover_local_quota_file(struct inode *lqinode,
 			break;
 		}
 		dchunk = (struct ocfs2_local_disk_chunk *)hbh->b_data;
-		for_each_bit(bit, rchunk->rc_bitmap, ol_chunk_entries(sb)) {
+		for_each_set_bit(bit, rchunk->rc_bitmap, ol_chunk_entries(sb)) {
 			qbh = NULL;
 			status = ocfs2_read_quota_block(lqinode,
 						ol_dqblk_block(sb, chunk, bit),
diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c
index 8ae65c9c020c..29405f2ff616 100644
--- a/fs/ocfs2/refcounttree.c
+++ b/fs/ocfs2/refcounttree.c
@@ -626,7 +626,7 @@ static int ocfs2_create_refcount_tree(struct inode *inode,
 	rb = (struct ocfs2_refcount_block *)new_bh->b_data;
 	memset(rb, 0, inode->i_sb->s_blocksize);
 	strcpy((void *)rb, OCFS2_REFCOUNT_BLOCK_SIGNATURE);
-	rb->rf_suballoc_slot = cpu_to_le16(osb->slot_num);
+	rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);
 	rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);
 	rb->rf_fs_generation = cpu_to_le32(osb->fs_generation);
 	rb->rf_blkno = cpu_to_le64(first_blkno);
@@ -1330,7 +1330,7 @@ static int ocfs2_expand_inline_ref_root(handle_t *handle,
 	memcpy(new_bh->b_data, ref_root_bh->b_data, sb->s_blocksize);
 
 	new_rb = (struct ocfs2_refcount_block *)new_bh->b_data;
-	new_rb->rf_suballoc_slot = cpu_to_le16(OCFS2_SB(sb)->slot_num);
+	new_rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);
 	new_rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);
 	new_rb->rf_blkno = cpu_to_le64(blkno);
 	new_rb->rf_cpos = cpu_to_le32(0);
@@ -1576,7 +1576,7 @@ static int ocfs2_new_leaf_refcount_block(handle_t *handle,
 	new_rb = (struct ocfs2_refcount_block *)new_bh->b_data;
 	memset(new_rb, 0, sb->s_blocksize);
 	strcpy((void *)new_rb, OCFS2_REFCOUNT_BLOCK_SIGNATURE);
-	new_rb->rf_suballoc_slot = cpu_to_le16(OCFS2_SB(sb)->slot_num);
+	new_rb->rf_suballoc_slot = cpu_to_le16(meta_ac->ac_alloc_slot);
 	new_rb->rf_suballoc_bit = cpu_to_le16(suballoc_bit_start);
 	new_rb->rf_fs_generation = cpu_to_le32(OCFS2_SB(sb)->fs_generation);
 	new_rb->rf_blkno = cpu_to_le64(blkno);
@@ -4075,6 +4075,7 @@ static int ocfs2_complete_reflink(struct inode *s_inode,
 	OCFS2_I(t_inode)->ip_dyn_features = OCFS2_I(s_inode)->ip_dyn_features;
 	spin_unlock(&OCFS2_I(t_inode)->ip_lock);
 	i_size_write(t_inode, size);
+	t_inode->i_blocks = s_inode->i_blocks;
 
 	di->i_xattr_inline_size = s_di->i_xattr_inline_size;
 	di->i_clusters = s_di->i_clusters;
@@ -4390,7 +4391,7 @@ static int ocfs2_vfs_reflink(struct dentry *old_dentry, struct inode *dir,
 	}
 
 	mutex_lock(&inode->i_mutex);
-	vfs_dq_init(dir);
+	dquot_initialize(dir);
 	error = ocfs2_reflink(old_dentry, dir, new_dentry, preserve);
 	mutex_unlock(&inode->i_mutex);
 	if (!error)
diff --git a/fs/ocfs2/stack_o2cb.c b/fs/ocfs2/stack_o2cb.c
index 3038c92af493..7020e1253ffa 100644
--- a/fs/ocfs2/stack_o2cb.c
+++ b/fs/ocfs2/stack_o2cb.c
@@ -161,24 +161,23 @@ static int dlm_status_to_errno(enum dlm_status status)
 
 static void o2dlm_lock_ast_wrapper(void *astarg)
 {
-	BUG_ON(o2cb_stack.sp_proto == NULL);
+	struct ocfs2_dlm_lksb *lksb = astarg;
 
-	o2cb_stack.sp_proto->lp_lock_ast(astarg);
+	lksb->lksb_conn->cc_proto->lp_lock_ast(lksb);
 }
 
 static void o2dlm_blocking_ast_wrapper(void *astarg, int level)
 {
-	BUG_ON(o2cb_stack.sp_proto == NULL);
+	struct ocfs2_dlm_lksb *lksb = astarg;
 
-	o2cb_stack.sp_proto->lp_blocking_ast(astarg, level);
+	lksb->lksb_conn->cc_proto->lp_blocking_ast(lksb, level);
 }
 
 static void o2dlm_unlock_ast_wrapper(void *astarg, enum dlm_status status)
 {
+	struct ocfs2_dlm_lksb *lksb = astarg;
 	int error = dlm_status_to_errno(status);
 
-	BUG_ON(o2cb_stack.sp_proto == NULL);
-
 	/*
 	 * In o2dlm, you can get both the lock_ast() for the lock being
 	 * granted and the unlock_ast() for the CANCEL failing.  A
@@ -193,16 +192,15 @@ static void o2dlm_unlock_ast_wrapper(void *astarg, enum dlm_status status)
 	if (status == DLM_CANCELGRANT)
 		return;
 
-	o2cb_stack.sp_proto->lp_unlock_ast(astarg, error);
+	lksb->lksb_conn->cc_proto->lp_unlock_ast(lksb, error);
 }
 
 static int o2cb_dlm_lock(struct ocfs2_cluster_connection *conn,
 			 int mode,
-			 union ocfs2_dlm_lksb *lksb,
+			 struct ocfs2_dlm_lksb *lksb,
 			 u32 flags,
 			 void *name,
-			 unsigned int namelen,
-			 void *astarg)
+			 unsigned int namelen)
 {
 	enum dlm_status status;
 	int o2dlm_mode = mode_to_o2dlm(mode);
@@ -211,28 +209,27 @@ static int o2cb_dlm_lock(struct ocfs2_cluster_connection *conn,
 
 	status = dlmlock(conn->cc_lockspace, o2dlm_mode, &lksb->lksb_o2dlm,
 			 o2dlm_flags, name, namelen,
-			 o2dlm_lock_ast_wrapper, astarg,
+			 o2dlm_lock_ast_wrapper, lksb,
 			 o2dlm_blocking_ast_wrapper);
 	ret = dlm_status_to_errno(status);
 	return ret;
 }
 
 static int o2cb_dlm_unlock(struct ocfs2_cluster_connection *conn,
-			   union ocfs2_dlm_lksb *lksb,
-			   u32 flags,
-			   void *astarg)
+			   struct ocfs2_dlm_lksb *lksb,
+			   u32 flags)
 {
 	enum dlm_status status;
 	int o2dlm_flags = flags_to_o2dlm(flags);
 	int ret;
 
 	status = dlmunlock(conn->cc_lockspace, &lksb->lksb_o2dlm,
-			   o2dlm_flags, o2dlm_unlock_ast_wrapper, astarg);
+			   o2dlm_flags, o2dlm_unlock_ast_wrapper, lksb);
 	ret = dlm_status_to_errno(status);
 	return ret;
 }
 
-static int o2cb_dlm_lock_status(union ocfs2_dlm_lksb *lksb)
+static int o2cb_dlm_lock_status(struct ocfs2_dlm_lksb *lksb)
 {
 	return dlm_status_to_errno(lksb->lksb_o2dlm.status);
 }
@@ -242,17 +239,17 @@ static int o2cb_dlm_lock_status(union ocfs2_dlm_lksb *lksb)
  * contents, it will zero out the LVB.  Thus the caller can always trust
  * the contents.
  */
-static int o2cb_dlm_lvb_valid(union ocfs2_dlm_lksb *lksb)
+static int o2cb_dlm_lvb_valid(struct ocfs2_dlm_lksb *lksb)
 {
 	return 1;
 }
 
-static void *o2cb_dlm_lvb(union ocfs2_dlm_lksb *lksb)
+static void *o2cb_dlm_lvb(struct ocfs2_dlm_lksb *lksb)
 {
 	return (void *)(lksb->lksb_o2dlm.lvb);
 }
 
-static void o2cb_dump_lksb(union ocfs2_dlm_lksb *lksb)
+static void o2cb_dump_lksb(struct ocfs2_dlm_lksb *lksb)
 {
 	dlm_print_one_lock(lksb->lksb_o2dlm.lockid);
 }
@@ -280,7 +277,7 @@ static int o2cb_cluster_connect(struct ocfs2_cluster_connection *conn)
 	struct dlm_protocol_version fs_version;
 
 	BUG_ON(conn == NULL);
-	BUG_ON(o2cb_stack.sp_proto == NULL);
+	BUG_ON(conn->cc_proto == NULL);
 
 	/* for now we only have one cluster/node, make sure we see it
 	 * in the heartbeat universe */
diff --git a/fs/ocfs2/stack_user.c b/fs/ocfs2/stack_user.c
index da78a2a334fd..5ae8812b2864 100644
--- a/fs/ocfs2/stack_user.c
+++ b/fs/ocfs2/stack_user.c
@@ -25,7 +25,6 @@
 #include <linux/reboot.h>
 #include <asm/uaccess.h>
 
-#include "ocfs2.h"  /* For struct ocfs2_lock_res */
 #include "stackglue.h"
 
 #include <linux/dlm_plock.h>
@@ -63,8 +62,8 @@
  * negotiated by the client.  The client negotiates based on the maximum
  * version advertised in /sys/fs/ocfs2/max_locking_protocol.  The major
  * number from the "SETV" message must match
- * ocfs2_user_plugin.sp_proto->lp_max_version.pv_major, and the minor number
- * must be less than or equal to ...->lp_max_version.pv_minor.
+ * ocfs2_user_plugin.sp_max_proto.pv_major, and the minor number
+ * must be less than or equal to ...sp_max_version.pv_minor.
  *
  * Once this information has been set, mounts will be allowed.  From this
  * point on, the "DOWN" message can be sent for node down notification.
@@ -401,7 +400,7 @@ static int ocfs2_control_do_setversion_msg(struct file *file,
 	char *ptr = NULL;
 	struct ocfs2_control_private *p = file->private_data;
 	struct ocfs2_protocol_version *max =
-		&ocfs2_user_plugin.sp_proto->lp_max_version;
+		&ocfs2_user_plugin.sp_max_proto;
 
 	if (ocfs2_control_get_handshake_state(file) !=
 	    OCFS2_CONTROL_HANDSHAKE_PROTOCOL)
@@ -664,18 +663,10 @@ static void ocfs2_control_exit(void)
 		       -rc);
 }
 
-static struct dlm_lksb *fsdlm_astarg_to_lksb(void *astarg)
-{
-	struct ocfs2_lock_res *res = astarg;
-	return &res->l_lksb.lksb_fsdlm;
-}
-
 static void fsdlm_lock_ast_wrapper(void *astarg)
 {
-	struct dlm_lksb *lksb = fsdlm_astarg_to_lksb(astarg);
-	int status = lksb->sb_status;
-
-	BUG_ON(ocfs2_user_plugin.sp_proto == NULL);
+	struct ocfs2_dlm_lksb *lksb = astarg;
+	int status = lksb->lksb_fsdlm.sb_status;
 
 	/*
 	 * For now we're punting on the issue of other non-standard errors
@@ -688,25 +679,24 @@ static void fsdlm_lock_ast_wrapper(void *astarg)
 	 */
 
 	if (status == -DLM_EUNLOCK || status == -DLM_ECANCEL)
-		ocfs2_user_plugin.sp_proto->lp_unlock_ast(astarg, 0);
+		lksb->lksb_conn->cc_proto->lp_unlock_ast(lksb, 0);
 	else
-		ocfs2_user_plugin.sp_proto->lp_lock_ast(astarg);
+		lksb->lksb_conn->cc_proto->lp_lock_ast(lksb);
 }
 
 static void fsdlm_blocking_ast_wrapper(void *astarg, int level)
 {
-	BUG_ON(ocfs2_user_plugin.sp_proto == NULL);
+	struct ocfs2_dlm_lksb *lksb = astarg;
 
-	ocfs2_user_plugin.sp_proto->lp_blocking_ast(astarg, level);
+	lksb->lksb_conn->cc_proto->lp_blocking_ast(lksb, level);
 }
 
 static int user_dlm_lock(struct ocfs2_cluster_connection *conn,
 			 int mode,
-			 union ocfs2_dlm_lksb *lksb,
+			 struct ocfs2_dlm_lksb *lksb,
 			 u32 flags,
 			 void *name,
-			 unsigned int namelen,
-			 void *astarg)
+			 unsigned int namelen)
 {
 	int ret;
 
@@ -716,36 +706,35 @@ static int user_dlm_lock(struct ocfs2_cluster_connection *conn,
 
 	ret = dlm_lock(conn->cc_lockspace, mode, &lksb->lksb_fsdlm,
 		       flags|DLM_LKF_NODLCKWT, name, namelen, 0,
-		       fsdlm_lock_ast_wrapper, astarg,
+		       fsdlm_lock_ast_wrapper, lksb,
 		       fsdlm_blocking_ast_wrapper);
 	return ret;
 }
 
 static int user_dlm_unlock(struct ocfs2_cluster_connection *conn,
-			   union ocfs2_dlm_lksb *lksb,
-			   u32 flags,
-			   void *astarg)
+			   struct ocfs2_dlm_lksb *lksb,
+			   u32 flags)
 {
 	int ret;
 
 	ret = dlm_unlock(conn->cc_lockspace, lksb->lksb_fsdlm.sb_lkid,
-			 flags, &lksb->lksb_fsdlm, astarg);
+			 flags, &lksb->lksb_fsdlm, lksb);
 	return ret;
 }
 
-static int user_dlm_lock_status(union ocfs2_dlm_lksb *lksb)
+static int user_dlm_lock_status(struct ocfs2_dlm_lksb *lksb)
 {
 	return lksb->lksb_fsdlm.sb_status;
 }
 
-static int user_dlm_lvb_valid(union ocfs2_dlm_lksb *lksb)
+static int user_dlm_lvb_valid(struct ocfs2_dlm_lksb *lksb)
 {
 	int invalid = lksb->lksb_fsdlm.sb_flags & DLM_SBF_VALNOTVALID;
 
 	return !invalid;
 }
 
-static void *user_dlm_lvb(union ocfs2_dlm_lksb *lksb)
+static void *user_dlm_lvb(struct ocfs2_dlm_lksb *lksb)
 {
 	if (!lksb->lksb_fsdlm.sb_lvbptr)
 		lksb->lksb_fsdlm.sb_lvbptr = (char *)lksb +
@@ -753,7 +742,7 @@ static void *user_dlm_lvb(union ocfs2_dlm_lksb *lksb)
 	return (void *)(lksb->lksb_fsdlm.sb_lvbptr);
 }
 
-static void user_dlm_dump_lksb(union ocfs2_dlm_lksb *lksb)
+static void user_dlm_dump_lksb(struct ocfs2_dlm_lksb *lksb)
 {
 }
 
diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c
index f3df0baa9a48..39abf89697ed 100644
--- a/fs/ocfs2/stackglue.c
+++ b/fs/ocfs2/stackglue.c
@@ -36,7 +36,7 @@
 #define OCFS2_STACK_PLUGIN_USER		"user"
 #define OCFS2_MAX_HB_CTL_PATH		256
 
-static struct ocfs2_locking_protocol *lproto;
+static struct ocfs2_protocol_version locking_max_version;
 static DEFINE_SPINLOCK(ocfs2_stack_lock);
 static LIST_HEAD(ocfs2_stack_list);
 static char cluster_stack_name[OCFS2_STACK_LABEL_LEN + 1];
@@ -176,7 +176,7 @@ int ocfs2_stack_glue_register(struct ocfs2_stack_plugin *plugin)
 	spin_lock(&ocfs2_stack_lock);
 	if (!ocfs2_stack_lookup(plugin->sp_name)) {
 		plugin->sp_count = 0;
-		plugin->sp_proto = lproto;
+		plugin->sp_max_proto = locking_max_version;
 		list_add(&plugin->sp_list, &ocfs2_stack_list);
 		printk(KERN_INFO "ocfs2: Registered cluster interface %s\n",
 		       plugin->sp_name);
@@ -213,77 +213,76 @@ void ocfs2_stack_glue_unregister(struct ocfs2_stack_plugin *plugin)
 }
 EXPORT_SYMBOL_GPL(ocfs2_stack_glue_unregister);
 
-void ocfs2_stack_glue_set_locking_protocol(struct ocfs2_locking_protocol *proto)
+void ocfs2_stack_glue_set_max_proto_version(struct ocfs2_protocol_version *max_proto)
 {
 	struct ocfs2_stack_plugin *p;
 
-	BUG_ON(proto == NULL);
-
 	spin_lock(&ocfs2_stack_lock);
-	BUG_ON(active_stack != NULL);
+	if (memcmp(max_proto, &locking_max_version,
+		   sizeof(struct ocfs2_protocol_version))) {
+		BUG_ON(locking_max_version.pv_major != 0);
 
-	lproto = proto;
-	list_for_each_entry(p, &ocfs2_stack_list, sp_list) {
-		p->sp_proto = lproto;
+		locking_max_version = *max_proto;
+		list_for_each_entry(p, &ocfs2_stack_list, sp_list) {
+			p->sp_max_proto = locking_max_version;
+		}
 	}
-
 	spin_unlock(&ocfs2_stack_lock);
 }
-EXPORT_SYMBOL_GPL(ocfs2_stack_glue_set_locking_protocol);
+EXPORT_SYMBOL_GPL(ocfs2_stack_glue_set_max_proto_version);
 
 
 /*
- * The ocfs2_dlm_lock() and ocfs2_dlm_unlock() functions take
- * "struct ocfs2_lock_res *astarg" instead of "void *astarg" because the
- * underlying stack plugins need to pilfer the lksb off of the lock_res.
- * If some other structure needs to be passed as an astarg, the plugins
- * will need to be given a different avenue to the lksb.
+ * The ocfs2_dlm_lock() and ocfs2_dlm_unlock() functions take no argument
+ * for the ast and bast functions.  They will pass the lksb to the ast
+ * and bast.  The caller can wrap the lksb with their own structure to
+ * get more information.
  */
 int ocfs2_dlm_lock(struct ocfs2_cluster_connection *conn,
 		   int mode,
-		   union ocfs2_dlm_lksb *lksb,
+		   struct ocfs2_dlm_lksb *lksb,
 		   u32 flags,
 		   void *name,
-		   unsigned int namelen,
-		   struct ocfs2_lock_res *astarg)
+		   unsigned int namelen)
 {
-	BUG_ON(lproto == NULL);
-
+	if (!lksb->lksb_conn)
+		lksb->lksb_conn = conn;
+	else
+		BUG_ON(lksb->lksb_conn != conn);
 	return active_stack->sp_ops->dlm_lock(conn, mode, lksb, flags,
-					      name, namelen, astarg);
+					      name, namelen);
 }
 EXPORT_SYMBOL_GPL(ocfs2_dlm_lock);
 
 int ocfs2_dlm_unlock(struct ocfs2_cluster_connection *conn,
-		     union ocfs2_dlm_lksb *lksb,
-		     u32 flags,
-		     struct ocfs2_lock_res *astarg)
+		     struct ocfs2_dlm_lksb *lksb,
+		     u32 flags)
 {
-	BUG_ON(lproto == NULL);
+	BUG_ON(lksb->lksb_conn == NULL);
 
-	return active_stack->sp_ops->dlm_unlock(conn, lksb, flags, astarg);
+	return active_stack->sp_ops->dlm_unlock(conn, lksb, flags);
 }
 EXPORT_SYMBOL_GPL(ocfs2_dlm_unlock);
 
-int ocfs2_dlm_lock_status(union ocfs2_dlm_lksb *lksb)
+int ocfs2_dlm_lock_status(struct ocfs2_dlm_lksb *lksb)
 {
 	return active_stack->sp_ops->lock_status(lksb);
 }
 EXPORT_SYMBOL_GPL(ocfs2_dlm_lock_status);
 
-int ocfs2_dlm_lvb_valid(union ocfs2_dlm_lksb *lksb)
+int ocfs2_dlm_lvb_valid(struct ocfs2_dlm_lksb *lksb)
 {
 	return active_stack->sp_ops->lvb_valid(lksb);
 }
 EXPORT_SYMBOL_GPL(ocfs2_dlm_lvb_valid);
 
-void *ocfs2_dlm_lvb(union ocfs2_dlm_lksb *lksb)
+void *ocfs2_dlm_lvb(struct ocfs2_dlm_lksb *lksb)
 {
 	return active_stack->sp_ops->lock_lvb(lksb);
 }
 EXPORT_SYMBOL_GPL(ocfs2_dlm_lvb);
 
-void ocfs2_dlm_dump_lksb(union ocfs2_dlm_lksb *lksb)
+void ocfs2_dlm_dump_lksb(struct ocfs2_dlm_lksb *lksb)
 {
 	active_stack->sp_ops->dump_lksb(lksb);
 }
@@ -312,6 +311,7 @@ EXPORT_SYMBOL_GPL(ocfs2_plock);
 int ocfs2_cluster_connect(const char *stack_name,
 			  const char *group,
 			  int grouplen,
+			  struct ocfs2_locking_protocol *lproto,
 			  void (*recovery_handler)(int node_num,
 						   void *recovery_data),
 			  void *recovery_data,
@@ -329,6 +329,12 @@ int ocfs2_cluster_connect(const char *stack_name,
 		goto out;
 	}
 
+	if (memcmp(&lproto->lp_max_version, &locking_max_version,
+		   sizeof(struct ocfs2_protocol_version))) {
+		rc = -EINVAL;
+		goto out;
+	}
+
 	new_conn = kzalloc(sizeof(struct ocfs2_cluster_connection),
 			   GFP_KERNEL);
 	if (!new_conn) {
@@ -341,6 +347,7 @@ int ocfs2_cluster_connect(const char *stack_name,
 	new_conn->cc_recovery_handler = recovery_handler;
 	new_conn->cc_recovery_data = recovery_data;
 
+	new_conn->cc_proto = lproto;
 	/* Start the new connection at our maximum compatibility level */
 	new_conn->cc_version = lproto->lp_max_version;
 
@@ -366,6 +373,24 @@ out:
 }
 EXPORT_SYMBOL_GPL(ocfs2_cluster_connect);
 
+/* The caller will ensure all nodes have the same cluster stack */
+int ocfs2_cluster_connect_agnostic(const char *group,
+				   int grouplen,
+				   struct ocfs2_locking_protocol *lproto,
+				   void (*recovery_handler)(int node_num,
+							    void *recovery_data),
+				   void *recovery_data,
+				   struct ocfs2_cluster_connection **conn)
+{
+	char *stack_name = NULL;
+
+	if (cluster_stack_name[0])
+		stack_name = cluster_stack_name;
+	return ocfs2_cluster_connect(stack_name, group, grouplen, lproto,
+				     recovery_handler, recovery_data, conn);
+}
+EXPORT_SYMBOL_GPL(ocfs2_cluster_connect_agnostic);
+
 /* If hangup_pending is 0, the stack driver will be dropped */
 int ocfs2_cluster_disconnect(struct ocfs2_cluster_connection *conn,
 			     int hangup_pending)
@@ -453,10 +478,10 @@ static ssize_t ocfs2_max_locking_protocol_show(struct kobject *kobj,
 	ssize_t ret = 0;
 
 	spin_lock(&ocfs2_stack_lock);
-	if (lproto)
+	if (locking_max_version.pv_major)
 		ret = snprintf(buf, PAGE_SIZE, "%u.%u\n",
-			       lproto->lp_max_version.pv_major,
-			       lproto->lp_max_version.pv_minor);
+			       locking_max_version.pv_major,
+			       locking_max_version.pv_minor);
 	spin_unlock(&ocfs2_stack_lock);
 
 	return ret;
@@ -685,7 +710,10 @@ static int __init ocfs2_stack_glue_init(void)
 
 static void __exit ocfs2_stack_glue_exit(void)
 {
-	lproto = NULL;
+	memset(&locking_max_version, 0,
+	       sizeof(struct ocfs2_protocol_version));
+	locking_max_version.pv_major = 0;
+	locking_max_version.pv_minor = 0;
 	ocfs2_sysfs_exit();
 	if (ocfs2_table_header)
 		unregister_sysctl_table(ocfs2_table_header);
diff --git a/fs/ocfs2/stackglue.h b/fs/ocfs2/stackglue.h
index 03a44d60eac9..8ce7398ae1d2 100644
--- a/fs/ocfs2/stackglue.h
+++ b/fs/ocfs2/stackglue.h
@@ -56,17 +56,6 @@ struct ocfs2_protocol_version {
 };
 
 /*
- * The ocfs2_locking_protocol defines the handlers called on ocfs2's behalf.
- */
-struct ocfs2_locking_protocol {
-	struct ocfs2_protocol_version lp_max_version;
-	void (*lp_lock_ast)(void *astarg);
-	void (*lp_blocking_ast)(void *astarg, int level);
-	void (*lp_unlock_ast)(void *astarg, int error);
-};
-
-
-/*
  * The dlm_lockstatus struct includes lvb space, but the dlm_lksb struct only
  * has a pointer to separately allocated lvb space.  This struct exists only to
  * include in the lksb union to make space for a combined dlm_lksb and lvb.
@@ -81,12 +70,27 @@ struct fsdlm_lksb_plus_lvb {
  * size of the union is known.  Lock status structures are embedded in
  * ocfs2 inodes.
  */
-union ocfs2_dlm_lksb {
-	struct dlm_lockstatus lksb_o2dlm;
-	struct dlm_lksb lksb_fsdlm;
-	struct fsdlm_lksb_plus_lvb padding;
+struct ocfs2_cluster_connection;
+struct ocfs2_dlm_lksb {
+	 union {
+		 struct dlm_lockstatus lksb_o2dlm;
+		 struct dlm_lksb lksb_fsdlm;
+		 struct fsdlm_lksb_plus_lvb padding;
+	 };
+	 struct ocfs2_cluster_connection *lksb_conn;
+};
+
+/*
+ * The ocfs2_locking_protocol defines the handlers called on ocfs2's behalf.
+ */
+struct ocfs2_locking_protocol {
+	struct ocfs2_protocol_version lp_max_version;
+	void (*lp_lock_ast)(struct ocfs2_dlm_lksb *lksb);
+	void (*lp_blocking_ast)(struct ocfs2_dlm_lksb *lksb, int level);
+	void (*lp_unlock_ast)(struct ocfs2_dlm_lksb *lksb, int error);
 };
 
+
 /*
  * A cluster connection.  Mostly opaque to ocfs2, the connection holds
  * state for the underlying stack.  ocfs2 does use cc_version to determine
@@ -96,6 +100,7 @@ struct ocfs2_cluster_connection {
 	char cc_name[GROUP_NAME_MAX];
 	int cc_namelen;
 	struct ocfs2_protocol_version cc_version;
+	struct ocfs2_locking_protocol *cc_proto;
 	void (*cc_recovery_handler)(int node_num, void *recovery_data);
 	void *cc_recovery_data;
 	void *cc_lockspace;
@@ -155,27 +160,29 @@ struct ocfs2_stack_operations {
 	 *
 	 * ast and bast functions are not part of the call because the
 	 * stack will likely want to wrap ast and bast calls before passing
-	 * them to stack->sp_proto.
+	 * them to stack->sp_proto.  There is no astarg.  The lksb will
+	 * be passed back to the ast and bast functions.  The caller can
+	 * use this to find their object.
 	 */
 	int (*dlm_lock)(struct ocfs2_cluster_connection *conn,
 			int mode,
-			union ocfs2_dlm_lksb *lksb,
+			struct ocfs2_dlm_lksb *lksb,
 			u32 flags,
 			void *name,
-			unsigned int namelen,
-			void *astarg);
+			unsigned int namelen);
 
 	/*
 	 * Call the underlying dlm unlock function.  The ->dlm_unlock()
 	 * function should convert the flags as appropriate.
 	 *
 	 * The unlock ast is not passed, as the stack will want to wrap
-	 * it before calling stack->sp_proto->lp_unlock_ast().
+	 * it before calling stack->sp_proto->lp_unlock_ast().  There is
+	 * no astarg.  The lksb will be passed back to the unlock ast
+	 * function.  The caller can use this to find their object.
 	 */
 	int (*dlm_unlock)(struct ocfs2_cluster_connection *conn,
-			  union ocfs2_dlm_lksb *lksb,
-			  u32 flags,
-			  void *astarg);
+			  struct ocfs2_dlm_lksb *lksb,
+			  u32 flags);
 
 	/*
 	 * Return the status of the current lock status block.  The fs
@@ -183,17 +190,17 @@ struct ocfs2_stack_operations {
 	 * callback pulls out the stack-specific lksb, converts the status
 	 * to a proper errno, and returns it.
 	 */
-	int (*lock_status)(union ocfs2_dlm_lksb *lksb);
+	int (*lock_status)(struct ocfs2_dlm_lksb *lksb);
 
 	/*
 	 * Return non-zero if the LVB is valid.
 	 */
-	int (*lvb_valid)(union ocfs2_dlm_lksb *lksb);
+	int (*lvb_valid)(struct ocfs2_dlm_lksb *lksb);
 
 	/*
 	 * Pull the lvb pointer off of the stack-specific lksb.
 	 */
-	void *(*lock_lvb)(union ocfs2_dlm_lksb *lksb);
+	void *(*lock_lvb)(struct ocfs2_dlm_lksb *lksb);
 
 	/*
 	 * Cluster-aware posix locks
@@ -210,7 +217,7 @@ struct ocfs2_stack_operations {
 	 * This is an optoinal debugging hook.  If provided, the
 	 * stack can dump debugging information about this lock.
 	 */
-	void (*dump_lksb)(union ocfs2_dlm_lksb *lksb);
+	void (*dump_lksb)(struct ocfs2_dlm_lksb *lksb);
 };
 
 /*
@@ -226,7 +233,7 @@ struct ocfs2_stack_plugin {
 	/* These are managed by the stackglue code. */
 	struct list_head sp_list;
 	unsigned int sp_count;
-	struct ocfs2_locking_protocol *sp_proto;
+	struct ocfs2_protocol_version sp_max_proto;
 };
 
 
@@ -234,10 +241,22 @@ struct ocfs2_stack_plugin {
 int ocfs2_cluster_connect(const char *stack_name,
 			  const char *group,
 			  int grouplen,
+			  struct ocfs2_locking_protocol *lproto,
 			  void (*recovery_handler)(int node_num,
 						   void *recovery_data),
 			  void *recovery_data,
 			  struct ocfs2_cluster_connection **conn);
+/*
+ * Used by callers that don't store their stack name.  They must ensure
+ * all nodes have the same stack.
+ */
+int ocfs2_cluster_connect_agnostic(const char *group,
+				   int grouplen,
+				   struct ocfs2_locking_protocol *lproto,
+				   void (*recovery_handler)(int node_num,
+							    void *recovery_data),
+				   void *recovery_data,
+				   struct ocfs2_cluster_connection **conn);
 int ocfs2_cluster_disconnect(struct ocfs2_cluster_connection *conn,
 			     int hangup_pending);
 void ocfs2_cluster_hangup(const char *group, int grouplen);
@@ -246,26 +265,24 @@ int ocfs2_cluster_this_node(unsigned int *node);
 struct ocfs2_lock_res;
 int ocfs2_dlm_lock(struct ocfs2_cluster_connection *conn,
 		   int mode,
-		   union ocfs2_dlm_lksb *lksb,
+		   struct ocfs2_dlm_lksb *lksb,
 		   u32 flags,
 		   void *name,
-		   unsigned int namelen,
-		   struct ocfs2_lock_res *astarg);
+		   unsigned int namelen);
 int ocfs2_dlm_unlock(struct ocfs2_cluster_connection *conn,
-		     union ocfs2_dlm_lksb *lksb,
-		     u32 flags,
-		     struct ocfs2_lock_res *astarg);
+		     struct ocfs2_dlm_lksb *lksb,
+		     u32 flags);
 
-int ocfs2_dlm_lock_status(union ocfs2_dlm_lksb *lksb);
-int ocfs2_dlm_lvb_valid(union ocfs2_dlm_lksb *lksb);
-void *ocfs2_dlm_lvb(union ocfs2_dlm_lksb *lksb);
-void ocfs2_dlm_dump_lksb(union ocfs2_dlm_lksb *lksb);
+int ocfs2_dlm_lock_status(struct ocfs2_dlm_lksb *lksb);
+int ocfs2_dlm_lvb_valid(struct ocfs2_dlm_lksb *lksb);
+void *ocfs2_dlm_lvb(struct ocfs2_dlm_lksb *lksb);
+void ocfs2_dlm_dump_lksb(struct ocfs2_dlm_lksb *lksb);
 
 int ocfs2_stack_supports_plocks(void);
 int ocfs2_plock(struct ocfs2_cluster_connection *conn, u64 ino,
 		struct file *file, int cmd, struct file_lock *fl);
 
-void ocfs2_stack_glue_set_locking_protocol(struct ocfs2_locking_protocol *proto);
+void ocfs2_stack_glue_set_max_proto_version(struct ocfs2_protocol_version *max_proto);
 
 
 /* Used by stack plugins */
diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c
index c30b644d9572..19ba00f28547 100644
--- a/fs/ocfs2/suballoc.c
+++ b/fs/ocfs2/suballoc.c
@@ -51,7 +51,7 @@
 #define ALLOC_NEW_GROUP			0x1
 #define ALLOC_GROUPS_FROM_GLOBAL	0x2
 
-#define OCFS2_MAX_INODES_TO_STEAL	1024
+#define OCFS2_MAX_TO_STEAL		1024
 
 static inline void ocfs2_debug_bg(struct ocfs2_group_desc *bg);
 static inline void ocfs2_debug_suballoc_inode(struct ocfs2_dinode *fe);
@@ -95,13 +95,6 @@ static inline int ocfs2_block_group_set_bits(handle_t *handle,
 					     struct buffer_head *group_bh,
 					     unsigned int bit_off,
 					     unsigned int num_bits);
-static inline int ocfs2_block_group_clear_bits(handle_t *handle,
-					       struct inode *alloc_inode,
-					       struct ocfs2_group_desc *bg,
-					       struct buffer_head *group_bh,
-					       unsigned int bit_off,
-					       unsigned int num_bits);
-
 static int ocfs2_relink_block_group(handle_t *handle,
 				    struct inode *alloc_inode,
 				    struct buffer_head *fe_bh,
@@ -152,7 +145,7 @@ static u32 ocfs2_bits_per_group(struct ocfs2_chain_list *cl)
 
 #define do_error(fmt, ...)						\
 	do{								\
-		if (clean_error)					\
+		if (resize)					\
 			mlog(ML_ERROR, fmt "\n", ##__VA_ARGS__);	\
 		else							\
 			ocfs2_error(sb, fmt, ##__VA_ARGS__);		\
@@ -160,7 +153,7 @@ static u32 ocfs2_bits_per_group(struct ocfs2_chain_list *cl)
 
 static int ocfs2_validate_gd_self(struct super_block *sb,
 				  struct buffer_head *bh,
-				  int clean_error)
+				  int resize)
 {
 	struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data;
 
@@ -211,7 +204,7 @@ static int ocfs2_validate_gd_self(struct super_block *sb,
 static int ocfs2_validate_gd_parent(struct super_block *sb,
 				    struct ocfs2_dinode *di,
 				    struct buffer_head *bh,
-				    int clean_error)
+				    int resize)
 {
 	unsigned int max_bits;
 	struct ocfs2_group_desc *gd = (struct ocfs2_group_desc *)bh->b_data;
@@ -233,8 +226,11 @@ static int ocfs2_validate_gd_parent(struct super_block *sb,
 		return -EINVAL;
 	}
 
-	if (le16_to_cpu(gd->bg_chain) >=
-	    le16_to_cpu(di->id2.i_chain.cl_next_free_rec)) {
+	/* In resize, we may meet the case bg_chain == cl_next_free_rec. */
+	if ((le16_to_cpu(gd->bg_chain) >
+	     le16_to_cpu(di->id2.i_chain.cl_next_free_rec)) ||
+	    ((le16_to_cpu(gd->bg_chain) ==
+	     le16_to_cpu(di->id2.i_chain.cl_next_free_rec)) && !resize)) {
 		do_error("Group descriptor #%llu has bad chain %u",
 			 (unsigned long long)bh->b_blocknr,
 			 le16_to_cpu(gd->bg_chain));
@@ -637,12 +633,113 @@ bail:
 	return status;
 }
 
+static void ocfs2_init_inode_steal_slot(struct ocfs2_super *osb)
+{
+	spin_lock(&osb->osb_lock);
+	osb->s_inode_steal_slot = OCFS2_INVALID_SLOT;
+	spin_unlock(&osb->osb_lock);
+	atomic_set(&osb->s_num_inodes_stolen, 0);
+}
+
+static void ocfs2_init_meta_steal_slot(struct ocfs2_super *osb)
+{
+	spin_lock(&osb->osb_lock);
+	osb->s_meta_steal_slot = OCFS2_INVALID_SLOT;
+	spin_unlock(&osb->osb_lock);
+	atomic_set(&osb->s_num_meta_stolen, 0);
+}
+
+void ocfs2_init_steal_slots(struct ocfs2_super *osb)
+{
+	ocfs2_init_inode_steal_slot(osb);
+	ocfs2_init_meta_steal_slot(osb);
+}
+
+static void __ocfs2_set_steal_slot(struct ocfs2_super *osb, int slot, int type)
+{
+	spin_lock(&osb->osb_lock);
+	if (type == INODE_ALLOC_SYSTEM_INODE)
+		osb->s_inode_steal_slot = slot;
+	else if (type == EXTENT_ALLOC_SYSTEM_INODE)
+		osb->s_meta_steal_slot = slot;
+	spin_unlock(&osb->osb_lock);
+}
+
+static int __ocfs2_get_steal_slot(struct ocfs2_super *osb, int type)
+{
+	int slot = OCFS2_INVALID_SLOT;
+
+	spin_lock(&osb->osb_lock);
+	if (type == INODE_ALLOC_SYSTEM_INODE)
+		slot = osb->s_inode_steal_slot;
+	else if (type == EXTENT_ALLOC_SYSTEM_INODE)
+		slot = osb->s_meta_steal_slot;
+	spin_unlock(&osb->osb_lock);
+
+	return slot;
+}
+
+static int ocfs2_get_inode_steal_slot(struct ocfs2_super *osb)
+{
+	return __ocfs2_get_steal_slot(osb, INODE_ALLOC_SYSTEM_INODE);
+}
+
+static int ocfs2_get_meta_steal_slot(struct ocfs2_super *osb)
+{
+	return __ocfs2_get_steal_slot(osb, EXTENT_ALLOC_SYSTEM_INODE);
+}
+
+static int ocfs2_steal_resource(struct ocfs2_super *osb,
+				struct ocfs2_alloc_context *ac,
+				int type)
+{
+	int i, status = -ENOSPC;
+	int slot = __ocfs2_get_steal_slot(osb, type);
+
+	/* Start to steal resource from the first slot after ours. */
+	if (slot == OCFS2_INVALID_SLOT)
+		slot = osb->slot_num + 1;
+
+	for (i = 0; i < osb->max_slots; i++, slot++) {
+		if (slot == osb->max_slots)
+			slot = 0;
+
+		if (slot == osb->slot_num)
+			continue;
+
+		status = ocfs2_reserve_suballoc_bits(osb, ac,
+						     type,
+						     (u32)slot, NULL,
+						     NOT_ALLOC_NEW_GROUP);
+		if (status >= 0) {
+			__ocfs2_set_steal_slot(osb, slot, type);
+			break;
+		}
+
+		ocfs2_free_ac_resource(ac);
+	}
+
+	return status;
+}
+
+static int ocfs2_steal_inode(struct ocfs2_super *osb,
+			     struct ocfs2_alloc_context *ac)
+{
+	return ocfs2_steal_resource(osb, ac, INODE_ALLOC_SYSTEM_INODE);
+}
+
+static int ocfs2_steal_meta(struct ocfs2_super *osb,
+			    struct ocfs2_alloc_context *ac)
+{
+	return ocfs2_steal_resource(osb, ac, EXTENT_ALLOC_SYSTEM_INODE);
+}
+
 int ocfs2_reserve_new_metadata_blocks(struct ocfs2_super *osb,
 				      int blocks,
 				      struct ocfs2_alloc_context **ac)
 {
 	int status;
-	u32 slot;
+	int slot = ocfs2_get_meta_steal_slot(osb);
 
 	*ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL);
 	if (!(*ac)) {
@@ -653,12 +750,34 @@ int ocfs2_reserve_new_metadata_blocks(struct ocfs2_super *osb,
 
 	(*ac)->ac_bits_wanted = blocks;
 	(*ac)->ac_which = OCFS2_AC_USE_META;
-	slot = osb->slot_num;
 	(*ac)->ac_group_search = ocfs2_block_group_search;
 
+	if (slot != OCFS2_INVALID_SLOT &&
+		atomic_read(&osb->s_num_meta_stolen) < OCFS2_MAX_TO_STEAL)
+		goto extent_steal;
+
+	atomic_set(&osb->s_num_meta_stolen, 0);
 	status = ocfs2_reserve_suballoc_bits(osb, (*ac),
 					     EXTENT_ALLOC_SYSTEM_INODE,
-					     slot, NULL, ALLOC_NEW_GROUP);
+					     (u32)osb->slot_num, NULL,
+					     ALLOC_NEW_GROUP);
+
+
+	if (status >= 0) {
+		status = 0;
+		if (slot != OCFS2_INVALID_SLOT)
+			ocfs2_init_meta_steal_slot(osb);
+		goto bail;
+	} else if (status < 0 && status != -ENOSPC) {
+		mlog_errno(status);
+		goto bail;
+	}
+
+	ocfs2_free_ac_resource(*ac);
+
+extent_steal:
+	status = ocfs2_steal_meta(osb, *ac);
+	atomic_inc(&osb->s_num_meta_stolen);
 	if (status < 0) {
 		if (status != -ENOSPC)
 			mlog_errno(status);
@@ -685,43 +804,11 @@ int ocfs2_reserve_new_metadata(struct ocfs2_super *osb,
 					ac);
 }
 
-static int ocfs2_steal_inode_from_other_nodes(struct ocfs2_super *osb,
-					      struct ocfs2_alloc_context *ac)
-{
-	int i, status = -ENOSPC;
-	s16 slot = ocfs2_get_inode_steal_slot(osb);
-
-	/* Start to steal inodes from the first slot after ours. */
-	if (slot == OCFS2_INVALID_SLOT)
-		slot = osb->slot_num + 1;
-
-	for (i = 0; i < osb->max_slots; i++, slot++) {
-		if (slot == osb->max_slots)
-			slot = 0;
-
-		if (slot == osb->slot_num)
-			continue;
-
-		status = ocfs2_reserve_suballoc_bits(osb, ac,
-						     INODE_ALLOC_SYSTEM_INODE,
-						     slot, NULL,
-						     NOT_ALLOC_NEW_GROUP);
-		if (status >= 0) {
-			ocfs2_set_inode_steal_slot(osb, slot);
-			break;
-		}
-
-		ocfs2_free_ac_resource(ac);
-	}
-
-	return status;
-}
-
 int ocfs2_reserve_new_inode(struct ocfs2_super *osb,
 			    struct ocfs2_alloc_context **ac)
 {
 	int status;
-	s16 slot = ocfs2_get_inode_steal_slot(osb);
+	int slot = ocfs2_get_inode_steal_slot(osb);
 	u64 alloc_group;
 
 	*ac = kzalloc(sizeof(struct ocfs2_alloc_context), GFP_KERNEL);
@@ -754,14 +841,14 @@ int ocfs2_reserve_new_inode(struct ocfs2_super *osb,
 	 * need to check our slots to see whether there is some space for us.
 	 */
 	if (slot != OCFS2_INVALID_SLOT &&
-	    atomic_read(&osb->s_num_inodes_stolen) < OCFS2_MAX_INODES_TO_STEAL)
+	    atomic_read(&osb->s_num_inodes_stolen) < OCFS2_MAX_TO_STEAL)
 		goto inode_steal;
 
 	atomic_set(&osb->s_num_inodes_stolen, 0);
 	alloc_group = osb->osb_inode_alloc_group;
 	status = ocfs2_reserve_suballoc_bits(osb, *ac,
 					     INODE_ALLOC_SYSTEM_INODE,
-					     osb->slot_num,
+					     (u32)osb->slot_num,
 					     &alloc_group,
 					     ALLOC_NEW_GROUP |
 					     ALLOC_GROUPS_FROM_GLOBAL);
@@ -789,7 +876,7 @@ int ocfs2_reserve_new_inode(struct ocfs2_super *osb,
 	ocfs2_free_ac_resource(*ac);
 
 inode_steal:
-	status = ocfs2_steal_inode_from_other_nodes(osb, *ac);
+	status = ocfs2_steal_inode(osb, *ac);
 	atomic_inc(&osb->s_num_inodes_stolen);
 	if (status < 0) {
 		if (status != -ENOSPC)
@@ -1884,18 +1971,18 @@ int ocfs2_claim_clusters(struct ocfs2_super *osb,
 				      bits_wanted, cluster_start, num_clusters);
 }
 
-static inline int ocfs2_block_group_clear_bits(handle_t *handle,
-					       struct inode *alloc_inode,
-					       struct ocfs2_group_desc *bg,
-					       struct buffer_head *group_bh,
-					       unsigned int bit_off,
-					       unsigned int num_bits)
+static int ocfs2_block_group_clear_bits(handle_t *handle,
+					struct inode *alloc_inode,
+					struct ocfs2_group_desc *bg,
+					struct buffer_head *group_bh,
+					unsigned int bit_off,
+					unsigned int num_bits,
+					void (*undo_fn)(unsigned int bit,
+							unsigned long *bmap))
 {
 	int status;
 	unsigned int tmp;
-	int journal_type = OCFS2_JOURNAL_ACCESS_WRITE;
 	struct ocfs2_group_desc *undo_bg = NULL;
-	int cluster_bitmap = 0;
 
 	mlog_entry_void();
 
@@ -1905,20 +1992,18 @@ static inline int ocfs2_block_group_clear_bits(handle_t *handle,
 
 	mlog(0, "off = %u, num = %u\n", bit_off, num_bits);
 
-	if (ocfs2_is_cluster_bitmap(alloc_inode))
-		journal_type = OCFS2_JOURNAL_ACCESS_UNDO;
-
+	BUG_ON(undo_fn && !ocfs2_is_cluster_bitmap(alloc_inode));
 	status = ocfs2_journal_access_gd(handle, INODE_CACHE(alloc_inode),
-					 group_bh, journal_type);
+					 group_bh,
+					 undo_fn ?
+					 OCFS2_JOURNAL_ACCESS_UNDO :
+					 OCFS2_JOURNAL_ACCESS_WRITE);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
 	}
 
-	if (ocfs2_is_cluster_bitmap(alloc_inode))
-		cluster_bitmap = 1;
-
-	if (cluster_bitmap) {
+	if (undo_fn) {
 		jbd_lock_bh_state(group_bh);
 		undo_bg = (struct ocfs2_group_desc *)
 					bh2jh(group_bh)->b_committed_data;
@@ -1929,13 +2014,13 @@ static inline int ocfs2_block_group_clear_bits(handle_t *handle,
 	while(tmp--) {
 		ocfs2_clear_bit((bit_off + tmp),
 				(unsigned long *) bg->bg_bitmap);
-		if (cluster_bitmap)
-			ocfs2_set_bit(bit_off + tmp,
-				      (unsigned long *) undo_bg->bg_bitmap);
+		if (undo_fn)
+			undo_fn(bit_off + tmp,
+				(unsigned long *) undo_bg->bg_bitmap);
 	}
 	le16_add_cpu(&bg->bg_free_bits_count, num_bits);
 
-	if (cluster_bitmap)
+	if (undo_fn)
 		jbd_unlock_bh_state(group_bh);
 
 	status = ocfs2_journal_dirty(handle, group_bh);
@@ -1948,12 +2033,14 @@ bail:
 /*
  * expects the suballoc inode to already be locked.
  */
-int ocfs2_free_suballoc_bits(handle_t *handle,
-			     struct inode *alloc_inode,
-			     struct buffer_head *alloc_bh,
-			     unsigned int start_bit,
-			     u64 bg_blkno,
-			     unsigned int count)
+static int _ocfs2_free_suballoc_bits(handle_t *handle,
+				     struct inode *alloc_inode,
+				     struct buffer_head *alloc_bh,
+				     unsigned int start_bit,
+				     u64 bg_blkno,
+				     unsigned int count,
+				     void (*undo_fn)(unsigned int bit,
+						     unsigned long *bitmap))
 {
 	int status = 0;
 	u32 tmp_used;
@@ -1988,7 +2075,7 @@ int ocfs2_free_suballoc_bits(handle_t *handle,
 
 	status = ocfs2_block_group_clear_bits(handle, alloc_inode,
 					      group, group_bh,
-					      start_bit, count);
+					      start_bit, count, undo_fn);
 	if (status < 0) {
 		mlog_errno(status);
 		goto bail;
@@ -2019,6 +2106,17 @@ bail:
 	return status;
 }
 
+int ocfs2_free_suballoc_bits(handle_t *handle,
+			     struct inode *alloc_inode,
+			     struct buffer_head *alloc_bh,
+			     unsigned int start_bit,
+			     u64 bg_blkno,
+			     unsigned int count)
+{
+	return _ocfs2_free_suballoc_bits(handle, alloc_inode, alloc_bh,
+					 start_bit, bg_blkno, count, NULL);
+}
+
 int ocfs2_free_dinode(handle_t *handle,
 		      struct inode *inode_alloc_inode,
 		      struct buffer_head *inode_alloc_bh,
@@ -2032,11 +2130,13 @@ int ocfs2_free_dinode(handle_t *handle,
 					inode_alloc_bh, bit, bg_blkno, 1);
 }
 
-int ocfs2_free_clusters(handle_t *handle,
-		       struct inode *bitmap_inode,
-		       struct buffer_head *bitmap_bh,
-		       u64 start_blk,
-		       unsigned int num_clusters)
+static int _ocfs2_free_clusters(handle_t *handle,
+				struct inode *bitmap_inode,
+				struct buffer_head *bitmap_bh,
+				u64 start_blk,
+				unsigned int num_clusters,
+				void (*undo_fn)(unsigned int bit,
+						unsigned long *bitmap))
 {
 	int status;
 	u16 bg_start_bit;
@@ -2063,9 +2163,9 @@ int ocfs2_free_clusters(handle_t *handle,
 	mlog(0, "bg_blkno = %llu, bg_start_bit = %u\n",
 	     (unsigned long long)bg_blkno, bg_start_bit);
 
-	status = ocfs2_free_suballoc_bits(handle, bitmap_inode, bitmap_bh,
-					  bg_start_bit, bg_blkno,
-					  num_clusters);
+	status = _ocfs2_free_suballoc_bits(handle, bitmap_inode, bitmap_bh,
+					   bg_start_bit, bg_blkno,
+					   num_clusters, undo_fn);
 	if (status < 0) {
 		mlog_errno(status);
 		goto out;
@@ -2079,6 +2179,32 @@ out:
 	return status;
 }
 
+int ocfs2_free_clusters(handle_t *handle,
+			struct inode *bitmap_inode,
+			struct buffer_head *bitmap_bh,
+			u64 start_blk,
+			unsigned int num_clusters)
+{
+	return _ocfs2_free_clusters(handle, bitmap_inode, bitmap_bh,
+				    start_blk, num_clusters,
+				    _ocfs2_set_bit);
+}
+
+/*
+ * Give never-used clusters back to the global bitmap.  We don't need
+ * to protect these bits in the undo buffer.
+ */
+int ocfs2_release_clusters(handle_t *handle,
+			   struct inode *bitmap_inode,
+			   struct buffer_head *bitmap_bh,
+			   u64 start_blk,
+			   unsigned int num_clusters)
+{
+	return _ocfs2_free_clusters(handle, bitmap_inode, bitmap_bh,
+				    start_blk, num_clusters,
+				    _ocfs2_clear_bit);
+}
+
 static inline void ocfs2_debug_bg(struct ocfs2_group_desc *bg)
 {
 	printk("Block Group:\n");
diff --git a/fs/ocfs2/suballoc.h b/fs/ocfs2/suballoc.h
index 8c9a78a43164..e0f46df357e6 100644
--- a/fs/ocfs2/suballoc.h
+++ b/fs/ocfs2/suballoc.h
@@ -56,6 +56,7 @@ struct ocfs2_alloc_context {
 				 is the same as ~0 - unlimited */
 };
 
+void ocfs2_init_steal_slots(struct ocfs2_super *osb);
 void ocfs2_free_alloc_context(struct ocfs2_alloc_context *ac);
 static inline int ocfs2_alloc_context_bits_left(struct ocfs2_alloc_context *ac)
 {
@@ -126,6 +127,11 @@ int ocfs2_free_clusters(handle_t *handle,
 			struct buffer_head *bitmap_bh,
 			u64 start_blk,
 			unsigned int num_clusters);
+int ocfs2_release_clusters(handle_t *handle,
+			   struct inode *bitmap_inode,
+			   struct buffer_head *bitmap_bh,
+			   u64 start_blk,
+			   unsigned int num_clusters);
 
 static inline u64 ocfs2_which_suballoc_group(u64 block, unsigned int bit)
 {
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 755cd49a5ef3..dee03197a494 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -69,6 +69,7 @@
 #include "xattr.h"
 #include "quota.h"
 #include "refcounttree.h"
+#include "suballoc.h"
 
 #include "buffer_head_io.h"
 
@@ -301,9 +302,12 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len)
 
 	spin_lock(&osb->osb_lock);
 	out += snprintf(buf + out, len - out,
-			"%10s => Slot: %d  NumStolen: %d\n", "Steal",
+			"%10s => InodeSlot: %d  StolenInodes: %d, "
+			"MetaSlot: %d  StolenMeta: %d\n", "Steal",
 			osb->s_inode_steal_slot,
-			atomic_read(&osb->s_num_inodes_stolen));
+			atomic_read(&osb->s_num_inodes_stolen),
+			osb->s_meta_steal_slot,
+			atomic_read(&osb->s_num_meta_stolen));
 	spin_unlock(&osb->osb_lock);
 
 	out += snprintf(buf + out, len - out, "OrphanScan => ");
@@ -1997,7 +2001,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
 	osb->blocked_lock_count = 0;
 	spin_lock_init(&osb->osb_lock);
 	spin_lock_init(&osb->osb_xattr_lock);
-	ocfs2_init_inode_steal_slot(osb);
+	ocfs2_init_steal_slots(osb);
 
 	atomic_set(&osb->alloc_stats.moves, 0);
 	atomic_set(&osb->alloc_stats.local_data, 0);
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 8fc6fb071c6d..3e7773089b96 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -116,10 +116,11 @@ static struct xattr_handler *ocfs2_xattr_handler_map[OCFS2_XATTR_MAX] = {
 };
 
 struct ocfs2_xattr_info {
-	int name_index;
-	const char *name;
-	const void *value;
-	size_t value_len;
+	int		xi_name_index;
+	const char	*xi_name;
+	int		xi_name_len;
+	const void	*xi_value;
+	size_t		xi_value_len;
 };
 
 struct ocfs2_xattr_search {
@@ -137,6 +138,115 @@ struct ocfs2_xattr_search {
 	int not_found;
 };
 
+/* Operations on struct ocfs2_xa_entry */
+struct ocfs2_xa_loc;
+struct ocfs2_xa_loc_operations {
+	/*
+	 * Journal functions
+	 */
+	int (*xlo_journal_access)(handle_t *handle, struct ocfs2_xa_loc *loc,
+				  int type);
+	void (*xlo_journal_dirty)(handle_t *handle, struct ocfs2_xa_loc *loc);
+
+	/*
+	 * Return a pointer to the appropriate buffer in loc->xl_storage
+	 * at the given offset from loc->xl_header.
+	 */
+	void *(*xlo_offset_pointer)(struct ocfs2_xa_loc *loc, int offset);
+
+	/* Can we reuse the existing entry for the new value? */
+	int (*xlo_can_reuse)(struct ocfs2_xa_loc *loc,
+			     struct ocfs2_xattr_info *xi);
+
+	/* How much space is needed for the new value? */
+	int (*xlo_check_space)(struct ocfs2_xa_loc *loc,
+			       struct ocfs2_xattr_info *xi);
+
+	/*
+	 * Return the offset of the first name+value pair.  This is
+	 * the start of our downward-filling free space.
+	 */
+	int (*xlo_get_free_start)(struct ocfs2_xa_loc *loc);
+
+	/*
+	 * Remove the name+value at this location.  Do whatever is
+	 * appropriate with the remaining name+value pairs.
+	 */
+	void (*xlo_wipe_namevalue)(struct ocfs2_xa_loc *loc);
+
+	/* Fill xl_entry with a new entry */
+	void (*xlo_add_entry)(struct ocfs2_xa_loc *loc, u32 name_hash);
+
+	/* Add name+value storage to an entry */
+	void (*xlo_add_namevalue)(struct ocfs2_xa_loc *loc, int size);
+
+	/*
+	 * Initialize the value buf's access and bh fields for this entry.
+	 * ocfs2_xa_fill_value_buf() will handle the xv pointer.
+	 */
+	void (*xlo_fill_value_buf)(struct ocfs2_xa_loc *loc,
+				   struct ocfs2_xattr_value_buf *vb);
+};
+
+/*
+ * Describes an xattr entry location.  This is a memory structure
+ * tracking the on-disk structure.
+ */
+struct ocfs2_xa_loc {
+	/* This xattr belongs to this inode */
+	struct inode *xl_inode;
+
+	/* The ocfs2_xattr_header inside the on-disk storage. Not NULL. */
+	struct ocfs2_xattr_header *xl_header;
+
+	/* Bytes from xl_header to the end of the storage */
+	int xl_size;
+
+	/*
+	 * The ocfs2_xattr_entry this location describes.  If this is
+	 * NULL, this location describes the on-disk structure where it
+	 * would have been.
+	 */
+	struct ocfs2_xattr_entry *xl_entry;
+
+	/*
+	 * Internal housekeeping
+	 */
+
+	/* Buffer(s) containing this entry */
+	void *xl_storage;
+
+	/* Operations on the storage backing this location */
+	const struct ocfs2_xa_loc_operations *xl_ops;
+};
+
+/*
+ * Convenience functions to calculate how much space is needed for a
+ * given name+value pair
+ */
+static int namevalue_size(int name_len, uint64_t value_len)
+{
+	if (value_len > OCFS2_XATTR_INLINE_SIZE)
+		return OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE;
+	else
+		return OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_SIZE(value_len);
+}
+
+static int namevalue_size_xi(struct ocfs2_xattr_info *xi)
+{
+	return namevalue_size(xi->xi_name_len, xi->xi_value_len);
+}
+
+static int namevalue_size_xe(struct ocfs2_xattr_entry *xe)
+{
+	u64 value_len = le64_to_cpu(xe->xe_value_size);
+
+	BUG_ON((value_len > OCFS2_XATTR_INLINE_SIZE) &&
+	       ocfs2_xattr_is_local(xe));
+	return namevalue_size(xe->xe_name_len, value_len);
+}
+
+
 static int ocfs2_xattr_bucket_get_name_value(struct super_block *sb,
 					     struct ocfs2_xattr_header *xh,
 					     int index,
@@ -212,14 +322,6 @@ static inline u16 ocfs2_blocks_per_xattr_bucket(struct super_block *sb)
 	return OCFS2_XATTR_BUCKET_SIZE / (1 << sb->s_blocksize_bits);
 }
 
-static inline u16 ocfs2_xattr_max_xe_in_bucket(struct super_block *sb)
-{
-	u16 len = sb->s_blocksize -
-		 offsetof(struct ocfs2_xattr_header, xh_entries);
-
-	return len / sizeof(struct ocfs2_xattr_entry);
-}
-
 #define bucket_blkno(_b) ((_b)->bu_bhs[0]->b_blocknr)
 #define bucket_block(_b, _n) ((_b)->bu_bhs[(_n)]->b_data)
 #define bucket_xh(_b) ((struct ocfs2_xattr_header *)bucket_block((_b), 0))
@@ -463,35 +565,22 @@ static u32 ocfs2_xattr_name_hash(struct inode *inode,
 	return hash;
 }
 
-/*
- * ocfs2_xattr_hash_entry()
- *
- * Compute the hash of an extended attribute.
- */
-static void ocfs2_xattr_hash_entry(struct inode *inode,
-				   struct ocfs2_xattr_header *header,
-				   struct ocfs2_xattr_entry *entry)
+static int ocfs2_xattr_entry_real_size(int name_len, size_t value_len)
 {
-	u32 hash = 0;
-	char *name = (char *)header + le16_to_cpu(entry->xe_name_offset);
-
-	hash = ocfs2_xattr_name_hash(inode, name, entry->xe_name_len);
-	entry->xe_name_hash = cpu_to_le32(hash);
-
-	return;
+	return namevalue_size(name_len, value_len) +
+		sizeof(struct ocfs2_xattr_entry);
 }
 
-static int ocfs2_xattr_entry_real_size(int name_len, size_t value_len)
+static int ocfs2_xi_entry_usage(struct ocfs2_xattr_info *xi)
 {
-	int size = 0;
-
-	if (value_len <= OCFS2_XATTR_INLINE_SIZE)
-		size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_SIZE(value_len);
-	else
-		size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE;
-	size += sizeof(struct ocfs2_xattr_entry);
+	return namevalue_size_xi(xi) +
+		sizeof(struct ocfs2_xattr_entry);
+}
 
-	return size;
+static int ocfs2_xe_entry_usage(struct ocfs2_xattr_entry *xe)
+{
+	return namevalue_size_xe(xe) +
+		sizeof(struct ocfs2_xattr_entry);
 }
 
 int ocfs2_calc_security_init(struct inode *dir,
@@ -1308,452 +1397,897 @@ out:
 	return ret;
 }
 
-static int ocfs2_xattr_cleanup(struct inode *inode,
-			       handle_t *handle,
-			       struct ocfs2_xattr_info *xi,
-			       struct ocfs2_xattr_search *xs,
-			       struct ocfs2_xattr_value_buf *vb,
-			       size_t offs)
+static int ocfs2_xa_check_space_helper(int needed_space, int free_start,
+				       int num_entries)
 {
-	int ret = 0;
-	size_t name_len = strlen(xi->name);
-	void *val = xs->base + offs;
-	size_t size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE;
+	int free_space;
 
-	ret = vb->vb_access(handle, INODE_CACHE(inode), vb->vb_bh,
-			    OCFS2_JOURNAL_ACCESS_WRITE);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
-	/* Decrease xattr count */
-	le16_add_cpu(&xs->header->xh_count, -1);
-	/* Remove the xattr entry and tree root which has already be set*/
-	memset((void *)xs->here, 0, sizeof(struct ocfs2_xattr_entry));
-	memset(val, 0, size);
+	if (!needed_space)
+		return 0;
 
-	ret = ocfs2_journal_dirty(handle, vb->vb_bh);
-	if (ret < 0)
-		mlog_errno(ret);
-out:
-	return ret;
+	free_space = free_start -
+		sizeof(struct ocfs2_xattr_header) -
+		(num_entries * sizeof(struct ocfs2_xattr_entry)) -
+		OCFS2_XATTR_HEADER_GAP;
+	if (free_space < 0)
+		return -EIO;
+	if (free_space < needed_space)
+		return -ENOSPC;
+
+	return 0;
 }
 
-static int ocfs2_xattr_update_entry(struct inode *inode,
-				    handle_t *handle,
-				    struct ocfs2_xattr_info *xi,
-				    struct ocfs2_xattr_search *xs,
-				    struct ocfs2_xattr_value_buf *vb,
-				    size_t offs)
+static int ocfs2_xa_journal_access(handle_t *handle, struct ocfs2_xa_loc *loc,
+				   int type)
 {
-	int ret;
+	return loc->xl_ops->xlo_journal_access(handle, loc, type);
+}
 
-	ret = vb->vb_access(handle, INODE_CACHE(inode), vb->vb_bh,
-			    OCFS2_JOURNAL_ACCESS_WRITE);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
+static void ocfs2_xa_journal_dirty(handle_t *handle, struct ocfs2_xa_loc *loc)
+{
+	loc->xl_ops->xlo_journal_dirty(handle, loc);
+}
 
-	xs->here->xe_name_offset = cpu_to_le16(offs);
-	xs->here->xe_value_size = cpu_to_le64(xi->value_len);
-	if (xi->value_len <= OCFS2_XATTR_INLINE_SIZE)
-		ocfs2_xattr_set_local(xs->here, 1);
-	else
-		ocfs2_xattr_set_local(xs->here, 0);
-	ocfs2_xattr_hash_entry(inode, xs->header, xs->here);
+/* Give a pointer into the storage for the given offset */
+static void *ocfs2_xa_offset_pointer(struct ocfs2_xa_loc *loc, int offset)
+{
+	BUG_ON(offset >= loc->xl_size);
+	return loc->xl_ops->xlo_offset_pointer(loc, offset);
+}
 
-	ret = ocfs2_journal_dirty(handle, vb->vb_bh);
-	if (ret < 0)
-		mlog_errno(ret);
-out:
-	return ret;
+/*
+ * Wipe the name+value pair and allow the storage to reclaim it.  This
+ * must be followed by either removal of the entry or a call to
+ * ocfs2_xa_add_namevalue().
+ */
+static void ocfs2_xa_wipe_namevalue(struct ocfs2_xa_loc *loc)
+{
+	loc->xl_ops->xlo_wipe_namevalue(loc);
 }
 
 /*
- * ocfs2_xattr_set_value_outside()
- *
- * Set large size value in B tree.
+ * Find lowest offset to a name+value pair.  This is the start of our
+ * downward-growing free space.
  */
-static int ocfs2_xattr_set_value_outside(struct inode *inode,
-					 struct ocfs2_xattr_info *xi,
-					 struct ocfs2_xattr_search *xs,
-					 struct ocfs2_xattr_set_ctxt *ctxt,
-					 struct ocfs2_xattr_value_buf *vb,
-					 size_t offs)
+static int ocfs2_xa_get_free_start(struct ocfs2_xa_loc *loc)
 {
-	size_t name_len = strlen(xi->name);
-	void *val = xs->base + offs;
-	struct ocfs2_xattr_value_root *xv = NULL;
-	size_t size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE;
-	int ret = 0;
+	return loc->xl_ops->xlo_get_free_start(loc);
+}
 
-	memset(val, 0, size);
-	memcpy(val, xi->name, name_len);
-	xv = (struct ocfs2_xattr_value_root *)
-		(val + OCFS2_XATTR_SIZE(name_len));
-	xv->xr_clusters = 0;
-	xv->xr_last_eb_blk = 0;
-	xv->xr_list.l_tree_depth = 0;
-	xv->xr_list.l_count = cpu_to_le16(1);
-	xv->xr_list.l_next_free_rec = 0;
-	vb->vb_xv = xv;
-
-	ret = ocfs2_xattr_value_truncate(inode, vb, xi->value_len, ctxt);
-	if (ret < 0) {
-		mlog_errno(ret);
-		return ret;
+/* Can we reuse loc->xl_entry for xi? */
+static int ocfs2_xa_can_reuse_entry(struct ocfs2_xa_loc *loc,
+				    struct ocfs2_xattr_info *xi)
+{
+	return loc->xl_ops->xlo_can_reuse(loc, xi);
+}
+
+/* How much free space is needed to set the new value */
+static int ocfs2_xa_check_space(struct ocfs2_xa_loc *loc,
+				struct ocfs2_xattr_info *xi)
+{
+	return loc->xl_ops->xlo_check_space(loc, xi);
+}
+
+static void ocfs2_xa_add_entry(struct ocfs2_xa_loc *loc, u32 name_hash)
+{
+	loc->xl_ops->xlo_add_entry(loc, name_hash);
+	loc->xl_entry->xe_name_hash = cpu_to_le32(name_hash);
+	/*
+	 * We can't leave the new entry's xe_name_offset at zero or
+	 * add_namevalue() will go nuts.  We set it to the size of our
+	 * storage so that it can never be less than any other entry.
+	 */
+	loc->xl_entry->xe_name_offset = cpu_to_le16(loc->xl_size);
+}
+
+static void ocfs2_xa_add_namevalue(struct ocfs2_xa_loc *loc,
+				   struct ocfs2_xattr_info *xi)
+{
+	int size = namevalue_size_xi(xi);
+	int nameval_offset;
+	char *nameval_buf;
+
+	loc->xl_ops->xlo_add_namevalue(loc, size);
+	loc->xl_entry->xe_value_size = cpu_to_le64(xi->xi_value_len);
+	loc->xl_entry->xe_name_len = xi->xi_name_len;
+	ocfs2_xattr_set_type(loc->xl_entry, xi->xi_name_index);
+	ocfs2_xattr_set_local(loc->xl_entry,
+			      xi->xi_value_len <= OCFS2_XATTR_INLINE_SIZE);
+
+	nameval_offset = le16_to_cpu(loc->xl_entry->xe_name_offset);
+	nameval_buf = ocfs2_xa_offset_pointer(loc, nameval_offset);
+	memset(nameval_buf, 0, size);
+	memcpy(nameval_buf, xi->xi_name, xi->xi_name_len);
+}
+
+static void ocfs2_xa_fill_value_buf(struct ocfs2_xa_loc *loc,
+				    struct ocfs2_xattr_value_buf *vb)
+{
+	int nameval_offset = le16_to_cpu(loc->xl_entry->xe_name_offset);
+	int name_size = OCFS2_XATTR_SIZE(loc->xl_entry->xe_name_len);
+
+	/* Value bufs are for value trees */
+	BUG_ON(ocfs2_xattr_is_local(loc->xl_entry));
+	BUG_ON(namevalue_size_xe(loc->xl_entry) !=
+	       (name_size + OCFS2_XATTR_ROOT_SIZE));
+
+	loc->xl_ops->xlo_fill_value_buf(loc, vb);
+	vb->vb_xv =
+		(struct ocfs2_xattr_value_root *)ocfs2_xa_offset_pointer(loc,
+							nameval_offset +
+							name_size);
+}
+
+static int ocfs2_xa_block_journal_access(handle_t *handle,
+					 struct ocfs2_xa_loc *loc, int type)
+{
+	struct buffer_head *bh = loc->xl_storage;
+	ocfs2_journal_access_func access;
+
+	if (loc->xl_size == (bh->b_size -
+			     offsetof(struct ocfs2_xattr_block,
+				      xb_attrs.xb_header)))
+		access = ocfs2_journal_access_xb;
+	else
+		access = ocfs2_journal_access_di;
+	return access(handle, INODE_CACHE(loc->xl_inode), bh, type);
+}
+
+static void ocfs2_xa_block_journal_dirty(handle_t *handle,
+					 struct ocfs2_xa_loc *loc)
+{
+	struct buffer_head *bh = loc->xl_storage;
+
+	ocfs2_journal_dirty(handle, bh);
+}
+
+static void *ocfs2_xa_block_offset_pointer(struct ocfs2_xa_loc *loc,
+					   int offset)
+{
+	return (char *)loc->xl_header + offset;
+}
+
+static int ocfs2_xa_block_can_reuse(struct ocfs2_xa_loc *loc,
+				    struct ocfs2_xattr_info *xi)
+{
+	/*
+	 * Block storage is strict.  If the sizes aren't exact, we will
+	 * remove the old one and reinsert the new.
+	 */
+	return namevalue_size_xe(loc->xl_entry) ==
+		namevalue_size_xi(xi);
+}
+
+static int ocfs2_xa_block_get_free_start(struct ocfs2_xa_loc *loc)
+{
+	struct ocfs2_xattr_header *xh = loc->xl_header;
+	int i, count = le16_to_cpu(xh->xh_count);
+	int offset, free_start = loc->xl_size;
+
+	for (i = 0; i < count; i++) {
+		offset = le16_to_cpu(xh->xh_entries[i].xe_name_offset);
+		if (offset < free_start)
+			free_start = offset;
 	}
-	ret = ocfs2_xattr_update_entry(inode, ctxt->handle, xi, xs, vb, offs);
-	if (ret < 0) {
-		mlog_errno(ret);
-		return ret;
+
+	return free_start;
+}
+
+static int ocfs2_xa_block_check_space(struct ocfs2_xa_loc *loc,
+				      struct ocfs2_xattr_info *xi)
+{
+	int count = le16_to_cpu(loc->xl_header->xh_count);
+	int free_start = ocfs2_xa_get_free_start(loc);
+	int needed_space = ocfs2_xi_entry_usage(xi);
+
+	/*
+	 * Block storage will reclaim the original entry before inserting
+	 * the new value, so we only need the difference.  If the new
+	 * entry is smaller than the old one, we don't need anything.
+	 */
+	if (loc->xl_entry) {
+		/* Don't need space if we're reusing! */
+		if (ocfs2_xa_can_reuse_entry(loc, xi))
+			needed_space = 0;
+		else
+			needed_space -= ocfs2_xe_entry_usage(loc->xl_entry);
 	}
-	ret = __ocfs2_xattr_set_value_outside(inode, ctxt->handle, vb,
-					      xi->value, xi->value_len);
-	if (ret < 0)
-		mlog_errno(ret);
+	if (needed_space < 0)
+		needed_space = 0;
+	return ocfs2_xa_check_space_helper(needed_space, free_start, count);
+}
 
-	return ret;
+/*
+ * Block storage for xattrs keeps the name+value pairs compacted.  When
+ * we remove one, we have to shift any that preceded it towards the end.
+ */
+static void ocfs2_xa_block_wipe_namevalue(struct ocfs2_xa_loc *loc)
+{
+	int i, offset;
+	int namevalue_offset, first_namevalue_offset, namevalue_size;
+	struct ocfs2_xattr_entry *entry = loc->xl_entry;
+	struct ocfs2_xattr_header *xh = loc->xl_header;
+	int count = le16_to_cpu(xh->xh_count);
+
+	namevalue_offset = le16_to_cpu(entry->xe_name_offset);
+	namevalue_size = namevalue_size_xe(entry);
+	first_namevalue_offset = ocfs2_xa_get_free_start(loc);
+
+	/* Shift the name+value pairs */
+	memmove((char *)xh + first_namevalue_offset + namevalue_size,
+		(char *)xh + first_namevalue_offset,
+		namevalue_offset - first_namevalue_offset);
+	memset((char *)xh + first_namevalue_offset, 0, namevalue_size);
+
+	/* Now tell xh->xh_entries about it */
+	for (i = 0; i < count; i++) {
+		offset = le16_to_cpu(xh->xh_entries[i].xe_name_offset);
+		if (offset <= namevalue_offset)
+			le16_add_cpu(&xh->xh_entries[i].xe_name_offset,
+				     namevalue_size);
+	}
+
+	/*
+	 * Note that we don't update xh_free_start or xh_name_value_len
+	 * because they're not used in block-stored xattrs.
+	 */
+}
+
+static void ocfs2_xa_block_add_entry(struct ocfs2_xa_loc *loc, u32 name_hash)
+{
+	int count = le16_to_cpu(loc->xl_header->xh_count);
+	loc->xl_entry = &(loc->xl_header->xh_entries[count]);
+	le16_add_cpu(&loc->xl_header->xh_count, 1);
+	memset(loc->xl_entry, 0, sizeof(struct ocfs2_xattr_entry));
+}
+
+static void ocfs2_xa_block_add_namevalue(struct ocfs2_xa_loc *loc, int size)
+{
+	int free_start = ocfs2_xa_get_free_start(loc);
+
+	loc->xl_entry->xe_name_offset = cpu_to_le16(free_start - size);
+}
+
+static void ocfs2_xa_block_fill_value_buf(struct ocfs2_xa_loc *loc,
+					  struct ocfs2_xattr_value_buf *vb)
+{
+	struct buffer_head *bh = loc->xl_storage;
+
+	if (loc->xl_size == (bh->b_size -
+			     offsetof(struct ocfs2_xattr_block,
+				      xb_attrs.xb_header)))
+		vb->vb_access = ocfs2_journal_access_xb;
+	else
+		vb->vb_access = ocfs2_journal_access_di;
+	vb->vb_bh = bh;
 }
 
 /*
- * ocfs2_xattr_set_entry_local()
- *
- * Set, replace or remove extended attribute in local.
+ * Operations for xattrs stored in blocks.  This includes inline inode
+ * storage and unindexed ocfs2_xattr_blocks.
  */
-static void ocfs2_xattr_set_entry_local(struct inode *inode,
-					struct ocfs2_xattr_info *xi,
-					struct ocfs2_xattr_search *xs,
-					struct ocfs2_xattr_entry *last,
-					size_t min_offs)
+static const struct ocfs2_xa_loc_operations ocfs2_xa_block_loc_ops = {
+	.xlo_journal_access	= ocfs2_xa_block_journal_access,
+	.xlo_journal_dirty	= ocfs2_xa_block_journal_dirty,
+	.xlo_offset_pointer	= ocfs2_xa_block_offset_pointer,
+	.xlo_check_space	= ocfs2_xa_block_check_space,
+	.xlo_can_reuse		= ocfs2_xa_block_can_reuse,
+	.xlo_get_free_start	= ocfs2_xa_block_get_free_start,
+	.xlo_wipe_namevalue	= ocfs2_xa_block_wipe_namevalue,
+	.xlo_add_entry		= ocfs2_xa_block_add_entry,
+	.xlo_add_namevalue	= ocfs2_xa_block_add_namevalue,
+	.xlo_fill_value_buf	= ocfs2_xa_block_fill_value_buf,
+};
+
+static int ocfs2_xa_bucket_journal_access(handle_t *handle,
+					  struct ocfs2_xa_loc *loc, int type)
 {
-	size_t name_len = strlen(xi->name);
-	int i;
+	struct ocfs2_xattr_bucket *bucket = loc->xl_storage;
 
-	if (xi->value && xs->not_found) {
-		/* Insert the new xattr entry. */
-		le16_add_cpu(&xs->header->xh_count, 1);
-		ocfs2_xattr_set_type(last, xi->name_index);
-		ocfs2_xattr_set_local(last, 1);
-		last->xe_name_len = name_len;
-	} else {
-		void *first_val;
-		void *val;
-		size_t offs, size;
-
-		first_val = xs->base + min_offs;
-		offs = le16_to_cpu(xs->here->xe_name_offset);
-		val = xs->base + offs;
-
-		if (le64_to_cpu(xs->here->xe_value_size) >
-		    OCFS2_XATTR_INLINE_SIZE)
-			size = OCFS2_XATTR_SIZE(name_len) +
-				OCFS2_XATTR_ROOT_SIZE;
+	return ocfs2_xattr_bucket_journal_access(handle, bucket, type);
+}
+
+static void ocfs2_xa_bucket_journal_dirty(handle_t *handle,
+					  struct ocfs2_xa_loc *loc)
+{
+	struct ocfs2_xattr_bucket *bucket = loc->xl_storage;
+
+	ocfs2_xattr_bucket_journal_dirty(handle, bucket);
+}
+
+static void *ocfs2_xa_bucket_offset_pointer(struct ocfs2_xa_loc *loc,
+					    int offset)
+{
+	struct ocfs2_xattr_bucket *bucket = loc->xl_storage;
+	int block, block_offset;
+
+	/* The header is at the front of the bucket */
+	block = offset >> loc->xl_inode->i_sb->s_blocksize_bits;
+	block_offset = offset % loc->xl_inode->i_sb->s_blocksize;
+
+	return bucket_block(bucket, block) + block_offset;
+}
+
+static int ocfs2_xa_bucket_can_reuse(struct ocfs2_xa_loc *loc,
+				     struct ocfs2_xattr_info *xi)
+{
+	return namevalue_size_xe(loc->xl_entry) >=
+		namevalue_size_xi(xi);
+}
+
+static int ocfs2_xa_bucket_get_free_start(struct ocfs2_xa_loc *loc)
+{
+	struct ocfs2_xattr_bucket *bucket = loc->xl_storage;
+	return le16_to_cpu(bucket_xh(bucket)->xh_free_start);
+}
+
+static int ocfs2_bucket_align_free_start(struct super_block *sb,
+					 int free_start, int size)
+{
+	/*
+	 * We need to make sure that the name+value pair fits within
+	 * one block.
+	 */
+	if (((free_start - size) >> sb->s_blocksize_bits) !=
+	    ((free_start - 1) >> sb->s_blocksize_bits))
+		free_start -= free_start % sb->s_blocksize;
+
+	return free_start;
+}
+
+static int ocfs2_xa_bucket_check_space(struct ocfs2_xa_loc *loc,
+				       struct ocfs2_xattr_info *xi)
+{
+	int rc;
+	int count = le16_to_cpu(loc->xl_header->xh_count);
+	int free_start = ocfs2_xa_get_free_start(loc);
+	int needed_space = ocfs2_xi_entry_usage(xi);
+	int size = namevalue_size_xi(xi);
+	struct super_block *sb = loc->xl_inode->i_sb;
+
+	/*
+	 * Bucket storage does not reclaim name+value pairs it cannot
+	 * reuse.  They live as holes until the bucket fills, and then
+	 * the bucket is defragmented.  However, the bucket can reclaim
+	 * the ocfs2_xattr_entry.
+	 */
+	if (loc->xl_entry) {
+		/* Don't need space if we're reusing! */
+		if (ocfs2_xa_can_reuse_entry(loc, xi))
+			needed_space = 0;
 		else
-			size = OCFS2_XATTR_SIZE(name_len) +
-			OCFS2_XATTR_SIZE(le64_to_cpu(xs->here->xe_value_size));
-
-		if (xi->value && size == OCFS2_XATTR_SIZE(name_len) +
-				OCFS2_XATTR_SIZE(xi->value_len)) {
-			/* The old and the new value have the
-			   same size. Just replace the value. */
-			ocfs2_xattr_set_local(xs->here, 1);
-			xs->here->xe_value_size = cpu_to_le64(xi->value_len);
-			/* Clear value bytes. */
-			memset(val + OCFS2_XATTR_SIZE(name_len),
-			       0,
-			       OCFS2_XATTR_SIZE(xi->value_len));
-			memcpy(val + OCFS2_XATTR_SIZE(name_len),
-			       xi->value,
-			       xi->value_len);
-			return;
-		}
-		/* Remove the old name+value. */
-		memmove(first_val + size, first_val, val - first_val);
-		memset(first_val, 0, size);
-		xs->here->xe_name_hash = 0;
-		xs->here->xe_name_offset = 0;
-		ocfs2_xattr_set_local(xs->here, 1);
-		xs->here->xe_value_size = 0;
-
-		min_offs += size;
-
-		/* Adjust all value offsets. */
-		last = xs->header->xh_entries;
-		for (i = 0 ; i < le16_to_cpu(xs->header->xh_count); i++) {
-			size_t o = le16_to_cpu(last->xe_name_offset);
-
-			if (o < offs)
-				last->xe_name_offset = cpu_to_le16(o + size);
-			last += 1;
-		}
+			needed_space -= sizeof(struct ocfs2_xattr_entry);
+	}
+	BUG_ON(needed_space < 0);
 
-		if (!xi->value) {
-			/* Remove the old entry. */
-			last -= 1;
-			memmove(xs->here, xs->here + 1,
-				(void *)last - (void *)xs->here);
-			memset(last, 0, sizeof(struct ocfs2_xattr_entry));
-			le16_add_cpu(&xs->header->xh_count, -1);
-		}
+	if (free_start < size) {
+		if (needed_space)
+			return -ENOSPC;
+	} else {
+		/*
+		 * First we check if it would fit in the first place.
+		 * Below, we align the free start to a block.  This may
+		 * slide us below the minimum gap.  By checking unaligned
+		 * first, we avoid that error.
+		 */
+		rc = ocfs2_xa_check_space_helper(needed_space, free_start,
+						 count);
+		if (rc)
+			return rc;
+		free_start = ocfs2_bucket_align_free_start(sb, free_start,
+							   size);
 	}
-	if (xi->value) {
-		/* Insert the new name+value. */
-		size_t size = OCFS2_XATTR_SIZE(name_len) +
-				OCFS2_XATTR_SIZE(xi->value_len);
-		void *val = xs->base + min_offs - size;
+	return ocfs2_xa_check_space_helper(needed_space, free_start, count);
+}
+
+static void ocfs2_xa_bucket_wipe_namevalue(struct ocfs2_xa_loc *loc)
+{
+	le16_add_cpu(&loc->xl_header->xh_name_value_len,
+		     -namevalue_size_xe(loc->xl_entry));
+}
 
-		xs->here->xe_name_offset = cpu_to_le16(min_offs - size);
-		memset(val, 0, size);
-		memcpy(val, xi->name, name_len);
-		memcpy(val + OCFS2_XATTR_SIZE(name_len),
-		       xi->value,
-		       xi->value_len);
-		xs->here->xe_value_size = cpu_to_le64(xi->value_len);
-		ocfs2_xattr_set_local(xs->here, 1);
-		ocfs2_xattr_hash_entry(inode, xs->header, xs->here);
+static void ocfs2_xa_bucket_add_entry(struct ocfs2_xa_loc *loc, u32 name_hash)
+{
+	struct ocfs2_xattr_header *xh = loc->xl_header;
+	int count = le16_to_cpu(xh->xh_count);
+	int low = 0, high = count - 1, tmp;
+	struct ocfs2_xattr_entry *tmp_xe;
+
+	/*
+	 * We keep buckets sorted by name_hash, so we need to find
+	 * our insert place.
+	 */
+	while (low <= high && count) {
+		tmp = (low + high) / 2;
+		tmp_xe = &xh->xh_entries[tmp];
+
+		if (name_hash > le32_to_cpu(tmp_xe->xe_name_hash))
+			low = tmp + 1;
+		else if (name_hash < le32_to_cpu(tmp_xe->xe_name_hash))
+			high = tmp - 1;
+		else {
+			low = tmp;
+			break;
+		}
 	}
 
-	return;
+	if (low != count)
+		memmove(&xh->xh_entries[low + 1],
+			&xh->xh_entries[low],
+			((count - low) * sizeof(struct ocfs2_xattr_entry)));
+
+	le16_add_cpu(&xh->xh_count, 1);
+	loc->xl_entry = &xh->xh_entries[low];
+	memset(loc->xl_entry, 0, sizeof(struct ocfs2_xattr_entry));
+}
+
+static void ocfs2_xa_bucket_add_namevalue(struct ocfs2_xa_loc *loc, int size)
+{
+	int free_start = ocfs2_xa_get_free_start(loc);
+	struct ocfs2_xattr_header *xh = loc->xl_header;
+	struct super_block *sb = loc->xl_inode->i_sb;
+	int nameval_offset;
+
+	free_start = ocfs2_bucket_align_free_start(sb, free_start, size);
+	nameval_offset = free_start - size;
+	loc->xl_entry->xe_name_offset = cpu_to_le16(nameval_offset);
+	xh->xh_free_start = cpu_to_le16(nameval_offset);
+	le16_add_cpu(&xh->xh_name_value_len, size);
+
+}
+
+static void ocfs2_xa_bucket_fill_value_buf(struct ocfs2_xa_loc *loc,
+					   struct ocfs2_xattr_value_buf *vb)
+{
+	struct ocfs2_xattr_bucket *bucket = loc->xl_storage;
+	struct super_block *sb = loc->xl_inode->i_sb;
+	int nameval_offset = le16_to_cpu(loc->xl_entry->xe_name_offset);
+	int size = namevalue_size_xe(loc->xl_entry);
+	int block_offset = nameval_offset >> sb->s_blocksize_bits;
+
+	/* Values are not allowed to straddle block boundaries */
+	BUG_ON(block_offset !=
+	       ((nameval_offset + size - 1) >> sb->s_blocksize_bits));
+	/* We expect the bucket to be filled in */
+	BUG_ON(!bucket->bu_bhs[block_offset]);
+
+	vb->vb_access = ocfs2_journal_access;
+	vb->vb_bh = bucket->bu_bhs[block_offset];
+}
+
+/* Operations for xattrs stored in buckets. */
+static const struct ocfs2_xa_loc_operations ocfs2_xa_bucket_loc_ops = {
+	.xlo_journal_access	= ocfs2_xa_bucket_journal_access,
+	.xlo_journal_dirty	= ocfs2_xa_bucket_journal_dirty,
+	.xlo_offset_pointer	= ocfs2_xa_bucket_offset_pointer,
+	.xlo_check_space	= ocfs2_xa_bucket_check_space,
+	.xlo_can_reuse		= ocfs2_xa_bucket_can_reuse,
+	.xlo_get_free_start	= ocfs2_xa_bucket_get_free_start,
+	.xlo_wipe_namevalue	= ocfs2_xa_bucket_wipe_namevalue,
+	.xlo_add_entry		= ocfs2_xa_bucket_add_entry,
+	.xlo_add_namevalue	= ocfs2_xa_bucket_add_namevalue,
+	.xlo_fill_value_buf	= ocfs2_xa_bucket_fill_value_buf,
+};
+
+static unsigned int ocfs2_xa_value_clusters(struct ocfs2_xa_loc *loc)
+{
+	struct ocfs2_xattr_value_buf vb;
+
+	if (ocfs2_xattr_is_local(loc->xl_entry))
+		return 0;
+
+	ocfs2_xa_fill_value_buf(loc, &vb);
+	return le32_to_cpu(vb.vb_xv->xr_clusters);
+}
+
+static int ocfs2_xa_value_truncate(struct ocfs2_xa_loc *loc, u64 bytes,
+				   struct ocfs2_xattr_set_ctxt *ctxt)
+{
+	int trunc_rc, access_rc;
+	struct ocfs2_xattr_value_buf vb;
+
+	ocfs2_xa_fill_value_buf(loc, &vb);
+	trunc_rc = ocfs2_xattr_value_truncate(loc->xl_inode, &vb, bytes,
+					      ctxt);
+
+	/*
+	 * The caller of ocfs2_xa_value_truncate() has already called
+	 * ocfs2_xa_journal_access on the loc.  However, The truncate code
+	 * calls ocfs2_extend_trans().  This may commit the previous
+	 * transaction and open a new one.  If this is a bucket, truncate
+	 * could leave only vb->vb_bh set up for journaling.  Meanwhile,
+	 * the caller is expecting to dirty the entire bucket.  So we must
+	 * reset the journal work.  We do this even if truncate has failed,
+	 * as it could have failed after committing the extend.
+	 */
+	access_rc = ocfs2_xa_journal_access(ctxt->handle, loc,
+					    OCFS2_JOURNAL_ACCESS_WRITE);
+
+	/* Errors in truncate take precedence */
+	return trunc_rc ? trunc_rc : access_rc;
+}
+
+static void ocfs2_xa_remove_entry(struct ocfs2_xa_loc *loc)
+{
+	int index, count;
+	struct ocfs2_xattr_header *xh = loc->xl_header;
+	struct ocfs2_xattr_entry *entry = loc->xl_entry;
+
+	ocfs2_xa_wipe_namevalue(loc);
+	loc->xl_entry = NULL;
+
+	le16_add_cpu(&xh->xh_count, -1);
+	count = le16_to_cpu(xh->xh_count);
+
+	/*
+	 * Only zero out the entry if there are more remaining.  This is
+	 * important for an empty bucket, as it keeps track of the
+	 * bucket's hash value.  It doesn't hurt empty block storage.
+	 */
+	if (count) {
+		index = ((char *)entry - (char *)&xh->xh_entries) /
+			sizeof(struct ocfs2_xattr_entry);
+		memmove(&xh->xh_entries[index], &xh->xh_entries[index + 1],
+			(count - index) * sizeof(struct ocfs2_xattr_entry));
+		memset(&xh->xh_entries[count], 0,
+		       sizeof(struct ocfs2_xattr_entry));
+	}
 }
 
 /*
- * ocfs2_xattr_set_entry()
+ * If we have a problem adjusting the size of an external value during
+ * ocfs2_xa_prepare_entry() or ocfs2_xa_remove(), we may have an xattr
+ * in an intermediate state.  For example, the value may be partially
+ * truncated.
+ *
+ * If the value tree hasn't changed, the extend/truncate went nowhere.
+ * We have nothing to do.  The caller can treat it as a straight error.
  *
- * Set extended attribute entry into inode or block.
+ * If the value tree got partially truncated, we now have a corrupted
+ * extended attribute.  We're going to wipe its entry and leak the
+ * clusters.  Better to leak some storage than leave a corrupt entry.
  *
- * If extended attribute value size > OCFS2_XATTR_INLINE_SIZE,
- * We first insert tree root(ocfs2_xattr_value_root) with set_entry_local(),
- * then set value in B tree with set_value_outside().
+ * If the value tree grew, it obviously didn't grow enough for the
+ * new entry.  We're not going to try and reclaim those clusters either.
+ * If there was already an external value there (orig_clusters != 0),
+ * the new clusters are attached safely and we can just leave the old
+ * value in place.  If there was no external value there, we remove
+ * the entry.
+ *
+ * This way, the xattr block we store in the journal will be consistent.
+ * If the size change broke because of the journal, no changes will hit
+ * disk anyway.
  */
-static int ocfs2_xattr_set_entry(struct inode *inode,
-				 struct ocfs2_xattr_info *xi,
-				 struct ocfs2_xattr_search *xs,
-				 struct ocfs2_xattr_set_ctxt *ctxt,
-				 int flag)
-{
-	struct ocfs2_xattr_entry *last;
-	struct ocfs2_inode_info *oi = OCFS2_I(inode);
-	struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data;
-	size_t min_offs = xs->end - xs->base, name_len = strlen(xi->name);
-	size_t size_l = 0;
-	handle_t *handle = ctxt->handle;
-	int free, i, ret;
-	struct ocfs2_xattr_info xi_l = {
-		.name_index = xi->name_index,
-		.name = xi->name,
-		.value = xi->value,
-		.value_len = xi->value_len,
-	};
-	struct ocfs2_xattr_value_buf vb = {
-		.vb_bh = xs->xattr_bh,
-		.vb_access = ocfs2_journal_access_di,
-	};
+static void ocfs2_xa_cleanup_value_truncate(struct ocfs2_xa_loc *loc,
+					    const char *what,
+					    unsigned int orig_clusters)
+{
+	unsigned int new_clusters = ocfs2_xa_value_clusters(loc);
+	char *nameval_buf = ocfs2_xa_offset_pointer(loc,
+				le16_to_cpu(loc->xl_entry->xe_name_offset));
+
+	if (new_clusters < orig_clusters) {
+		mlog(ML_ERROR,
+		     "Partial truncate while %s xattr %.*s.  Leaking "
+		     "%u clusters and removing the entry\n",
+		     what, loc->xl_entry->xe_name_len, nameval_buf,
+		     orig_clusters - new_clusters);
+		ocfs2_xa_remove_entry(loc);
+	} else if (!orig_clusters) {
+		mlog(ML_ERROR,
+		     "Unable to allocate an external value for xattr "
+		     "%.*s safely.  Leaking %u clusters and removing the "
+		     "entry\n",
+		     loc->xl_entry->xe_name_len, nameval_buf,
+		     new_clusters - orig_clusters);
+		ocfs2_xa_remove_entry(loc);
+	} else if (new_clusters > orig_clusters)
+		mlog(ML_ERROR,
+		     "Unable to grow xattr %.*s safely.  %u new clusters "
+		     "have been added, but the value will not be "
+		     "modified\n",
+		     loc->xl_entry->xe_name_len, nameval_buf,
+		     new_clusters - orig_clusters);
+}
+
+static int ocfs2_xa_remove(struct ocfs2_xa_loc *loc,
+			   struct ocfs2_xattr_set_ctxt *ctxt)
+{
+	int rc = 0;
+	unsigned int orig_clusters;
+
+	if (!ocfs2_xattr_is_local(loc->xl_entry)) {
+		orig_clusters = ocfs2_xa_value_clusters(loc);
+		rc = ocfs2_xa_value_truncate(loc, 0, ctxt);
+		if (rc) {
+			mlog_errno(rc);
+			/*
+			 * Since this is remove, we can return 0 if
+			 * ocfs2_xa_cleanup_value_truncate() is going to
+			 * wipe the entry anyway.  So we check the
+			 * cluster count as well.
+			 */
+			if (orig_clusters != ocfs2_xa_value_clusters(loc))
+				rc = 0;
+			ocfs2_xa_cleanup_value_truncate(loc, "removing",
+							orig_clusters);
+			if (rc)
+				goto out;
+		}
+	}
 
-	if (!(flag & OCFS2_INLINE_XATTR_FL)) {
-		BUG_ON(xs->xattr_bh == xs->inode_bh);
-		vb.vb_access = ocfs2_journal_access_xb;
-	} else
-		BUG_ON(xs->xattr_bh != xs->inode_bh);
+	ocfs2_xa_remove_entry(loc);
 
-	/* Compute min_offs, last and free space. */
-	last = xs->header->xh_entries;
+out:
+	return rc;
+}
 
-	for (i = 0 ; i < le16_to_cpu(xs->header->xh_count); i++) {
-		size_t offs = le16_to_cpu(last->xe_name_offset);
-		if (offs < min_offs)
-			min_offs = offs;
-		last += 1;
-	}
+static void ocfs2_xa_install_value_root(struct ocfs2_xa_loc *loc)
+{
+	int name_size = OCFS2_XATTR_SIZE(loc->xl_entry->xe_name_len);
+	char *nameval_buf;
 
-	free = min_offs - ((void *)last - xs->base) - OCFS2_XATTR_HEADER_GAP;
-	if (free < 0)
-		return -EIO;
+	nameval_buf = ocfs2_xa_offset_pointer(loc,
+				le16_to_cpu(loc->xl_entry->xe_name_offset));
+	memcpy(nameval_buf + name_size, &def_xv, OCFS2_XATTR_ROOT_SIZE);
+}
 
-	if (!xs->not_found) {
-		size_t size = 0;
-		if (ocfs2_xattr_is_local(xs->here))
-			size = OCFS2_XATTR_SIZE(name_len) +
-			OCFS2_XATTR_SIZE(le64_to_cpu(xs->here->xe_value_size));
-		else
-			size = OCFS2_XATTR_SIZE(name_len) +
-				OCFS2_XATTR_ROOT_SIZE;
-		free += (size + sizeof(struct ocfs2_xattr_entry));
-	}
-	/* Check free space in inode or block */
-	if (xi->value && xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
-		if (free < sizeof(struct ocfs2_xattr_entry) +
-			   OCFS2_XATTR_SIZE(name_len) +
-			   OCFS2_XATTR_ROOT_SIZE) {
-			ret = -ENOSPC;
-			goto out;
+/*
+ * Take an existing entry and make it ready for the new value.  This
+ * won't allocate space, but it may free space.  It should be ready for
+ * ocfs2_xa_prepare_entry() to finish the work.
+ */
+static int ocfs2_xa_reuse_entry(struct ocfs2_xa_loc *loc,
+				struct ocfs2_xattr_info *xi,
+				struct ocfs2_xattr_set_ctxt *ctxt)
+{
+	int rc = 0;
+	int name_size = OCFS2_XATTR_SIZE(xi->xi_name_len);
+	unsigned int orig_clusters;
+	char *nameval_buf;
+	int xe_local = ocfs2_xattr_is_local(loc->xl_entry);
+	int xi_local = xi->xi_value_len <= OCFS2_XATTR_INLINE_SIZE;
+
+	BUG_ON(OCFS2_XATTR_SIZE(loc->xl_entry->xe_name_len) !=
+	       name_size);
+
+	nameval_buf = ocfs2_xa_offset_pointer(loc,
+				le16_to_cpu(loc->xl_entry->xe_name_offset));
+	if (xe_local) {
+		memset(nameval_buf + name_size, 0,
+		       namevalue_size_xe(loc->xl_entry) - name_size);
+		if (!xi_local)
+			ocfs2_xa_install_value_root(loc);
+	} else {
+		orig_clusters = ocfs2_xa_value_clusters(loc);
+		if (xi_local) {
+			rc = ocfs2_xa_value_truncate(loc, 0, ctxt);
+			if (rc < 0)
+				mlog_errno(rc);
+			else
+				memset(nameval_buf + name_size, 0,
+				       namevalue_size_xe(loc->xl_entry) -
+				       name_size);
+		} else if (le64_to_cpu(loc->xl_entry->xe_value_size) >
+			   xi->xi_value_len) {
+			rc = ocfs2_xa_value_truncate(loc, xi->xi_value_len,
+						     ctxt);
+			if (rc < 0)
+				mlog_errno(rc);
 		}
-		size_l = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_ROOT_SIZE;
-		xi_l.value = (void *)&def_xv;
-		xi_l.value_len = OCFS2_XATTR_ROOT_SIZE;
-	} else if (xi->value) {
-		if (free < sizeof(struct ocfs2_xattr_entry) +
-			   OCFS2_XATTR_SIZE(name_len) +
-			   OCFS2_XATTR_SIZE(xi->value_len)) {
-			ret = -ENOSPC;
+
+		if (rc) {
+			ocfs2_xa_cleanup_value_truncate(loc, "reusing",
+							orig_clusters);
 			goto out;
 		}
 	}
 
-	if (!xs->not_found) {
-		/* For existing extended attribute */
-		size_t size = OCFS2_XATTR_SIZE(name_len) +
-			OCFS2_XATTR_SIZE(le64_to_cpu(xs->here->xe_value_size));
-		size_t offs = le16_to_cpu(xs->here->xe_name_offset);
-		void *val = xs->base + offs;
+	loc->xl_entry->xe_value_size = cpu_to_le64(xi->xi_value_len);
+	ocfs2_xattr_set_local(loc->xl_entry, xi_local);
 
-		if (ocfs2_xattr_is_local(xs->here) && size == size_l) {
-			/* Replace existing local xattr with tree root */
-			ret = ocfs2_xattr_set_value_outside(inode, xi, xs,
-							    ctxt, &vb, offs);
-			if (ret < 0)
-				mlog_errno(ret);
-			goto out;
-		} else if (!ocfs2_xattr_is_local(xs->here)) {
-			/* For existing xattr which has value outside */
-			vb.vb_xv = (struct ocfs2_xattr_value_root *)
-				(val + OCFS2_XATTR_SIZE(name_len));
+out:
+	return rc;
+}
 
-			if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
-				/*
-				 * If new value need set outside also,
-				 * first truncate old value to new value,
-				 * then set new value with set_value_outside().
-				 */
-				ret = ocfs2_xattr_value_truncate(inode,
-								 &vb,
-								 xi->value_len,
-								 ctxt);
-				if (ret < 0) {
-					mlog_errno(ret);
-					goto out;
-				}
+/*
+ * Prepares loc->xl_entry to receive the new xattr.  This includes
+ * properly setting up the name+value pair region.  If loc->xl_entry
+ * already exists, it will take care of modifying it appropriately.
+ *
+ * Note that this modifies the data.  You did journal_access already,
+ * right?
+ */
+static int ocfs2_xa_prepare_entry(struct ocfs2_xa_loc *loc,
+				  struct ocfs2_xattr_info *xi,
+				  u32 name_hash,
+				  struct ocfs2_xattr_set_ctxt *ctxt)
+{
+	int rc = 0;
+	unsigned int orig_clusters;
+	__le64 orig_value_size = 0;
 
-				ret = ocfs2_xattr_update_entry(inode,
-							       handle,
-							       xi,
-							       xs,
-							       &vb,
-							       offs);
-				if (ret < 0) {
-					mlog_errno(ret);
-					goto out;
-				}
+	rc = ocfs2_xa_check_space(loc, xi);
+	if (rc)
+		goto out;
 
-				ret = __ocfs2_xattr_set_value_outside(inode,
-								handle,
-								&vb,
-								xi->value,
-								xi->value_len);
-				if (ret < 0)
-					mlog_errno(ret);
+	if (loc->xl_entry) {
+		if (ocfs2_xa_can_reuse_entry(loc, xi)) {
+			orig_value_size = loc->xl_entry->xe_value_size;
+			rc = ocfs2_xa_reuse_entry(loc, xi, ctxt);
+			if (rc)
+				goto out;
+			goto alloc_value;
+		}
+
+		if (!ocfs2_xattr_is_local(loc->xl_entry)) {
+			orig_clusters = ocfs2_xa_value_clusters(loc);
+			rc = ocfs2_xa_value_truncate(loc, 0, ctxt);
+			if (rc) {
+				mlog_errno(rc);
+				ocfs2_xa_cleanup_value_truncate(loc,
+								"overwriting",
+								orig_clusters);
 				goto out;
-			} else {
-				/*
-				 * If new value need set in local,
-				 * just trucate old value to zero.
-				 */
-				 ret = ocfs2_xattr_value_truncate(inode,
-								  &vb,
-								  0,
-								  ctxt);
-				if (ret < 0)
-					mlog_errno(ret);
 			}
 		}
+		ocfs2_xa_wipe_namevalue(loc);
+	} else
+		ocfs2_xa_add_entry(loc, name_hash);
+
+	/*
+	 * If we get here, we have a blank entry.  Fill it.  We grow our
+	 * name+value pair back from the end.
+	 */
+	ocfs2_xa_add_namevalue(loc, xi);
+	if (xi->xi_value_len > OCFS2_XATTR_INLINE_SIZE)
+		ocfs2_xa_install_value_root(loc);
+
+alloc_value:
+	if (xi->xi_value_len > OCFS2_XATTR_INLINE_SIZE) {
+		orig_clusters = ocfs2_xa_value_clusters(loc);
+		rc = ocfs2_xa_value_truncate(loc, xi->xi_value_len, ctxt);
+		if (rc < 0) {
+			/*
+			 * If we tried to grow an existing external value,
+			 * ocfs2_xa_cleanuP-value_truncate() is going to
+			 * let it stand.  We have to restore its original
+			 * value size.
+			 */
+			loc->xl_entry->xe_value_size = orig_value_size;
+			ocfs2_xa_cleanup_value_truncate(loc, "growing",
+							orig_clusters);
+			mlog_errno(rc);
+		}
 	}
 
-	ret = ocfs2_journal_access_di(handle, INODE_CACHE(inode), xs->inode_bh,
+out:
+	return rc;
+}
+
+/*
+ * Store the value portion of the name+value pair.  This will skip
+ * values that are stored externally.  Their tree roots were set up
+ * by ocfs2_xa_prepare_entry().
+ */
+static int ocfs2_xa_store_value(struct ocfs2_xa_loc *loc,
+				struct ocfs2_xattr_info *xi,
+				struct ocfs2_xattr_set_ctxt *ctxt)
+{
+	int rc = 0;
+	int nameval_offset = le16_to_cpu(loc->xl_entry->xe_name_offset);
+	int name_size = OCFS2_XATTR_SIZE(xi->xi_name_len);
+	char *nameval_buf;
+	struct ocfs2_xattr_value_buf vb;
+
+	nameval_buf = ocfs2_xa_offset_pointer(loc, nameval_offset);
+	if (xi->xi_value_len > OCFS2_XATTR_INLINE_SIZE) {
+		ocfs2_xa_fill_value_buf(loc, &vb);
+		rc = __ocfs2_xattr_set_value_outside(loc->xl_inode,
+						     ctxt->handle, &vb,
+						     xi->xi_value,
+						     xi->xi_value_len);
+	} else
+		memcpy(nameval_buf + name_size, xi->xi_value, xi->xi_value_len);
+
+	return rc;
+}
+
+static int ocfs2_xa_set(struct ocfs2_xa_loc *loc,
+			struct ocfs2_xattr_info *xi,
+			struct ocfs2_xattr_set_ctxt *ctxt)
+{
+	int ret;
+	u32 name_hash = ocfs2_xattr_name_hash(loc->xl_inode, xi->xi_name,
+					      xi->xi_name_len);
+
+	ret = ocfs2_xa_journal_access(ctxt->handle, loc,
 				      OCFS2_JOURNAL_ACCESS_WRITE);
 	if (ret) {
 		mlog_errno(ret);
 		goto out;
 	}
 
-	if (!(flag & OCFS2_INLINE_XATTR_FL)) {
-		ret = vb.vb_access(handle, INODE_CACHE(inode), vb.vb_bh,
-				   OCFS2_JOURNAL_ACCESS_WRITE);
-		if (ret) {
-			mlog_errno(ret);
-			goto out;
-		}
-	}
-
 	/*
-	 * Set value in local, include set tree root in local.
-	 * This is the first step for value size >INLINE_SIZE.
+	 * From here on out, everything is going to modify the buffer a
+	 * little.  Errors are going to leave the xattr header in a
+	 * sane state.  Thus, even with errors we dirty the sucker.
 	 */
-	ocfs2_xattr_set_entry_local(inode, &xi_l, xs, last, min_offs);
 
-	if (!(flag & OCFS2_INLINE_XATTR_FL)) {
-		ret = ocfs2_journal_dirty(handle, xs->xattr_bh);
-		if (ret < 0) {
-			mlog_errno(ret);
-			goto out;
-		}
+	/* Don't worry, we are never called with !xi_value and !xl_entry */
+	if (!xi->xi_value) {
+		ret = ocfs2_xa_remove(loc, ctxt);
+		goto out_dirty;
 	}
 
-	if (!(oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL) &&
-	    (flag & OCFS2_INLINE_XATTR_FL)) {
-		struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
-		unsigned int xattrsize = osb->s_xattr_inline_size;
-
-		/*
-		 * Adjust extent record count or inline data size
-		 * to reserve space for extended attribute.
-		 */
-		if (oi->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
-			struct ocfs2_inline_data *idata = &di->id2.i_data;
-			le16_add_cpu(&idata->id_count, -xattrsize);
-		} else if (!(ocfs2_inode_is_fast_symlink(inode))) {
-			struct ocfs2_extent_list *el = &di->id2.i_list;
-			le16_add_cpu(&el->l_count, -(xattrsize /
-					sizeof(struct ocfs2_extent_rec)));
-		}
-		di->i_xattr_inline_size = cpu_to_le16(xattrsize);
+	ret = ocfs2_xa_prepare_entry(loc, xi, name_hash, ctxt);
+	if (ret) {
+		if (ret != -ENOSPC)
+			mlog_errno(ret);
+		goto out_dirty;
 	}
-	/* Update xattr flag */
-	spin_lock(&oi->ip_lock);
-	oi->ip_dyn_features |= flag;
-	di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features);
-	spin_unlock(&oi->ip_lock);
 
-	ret = ocfs2_journal_dirty(handle, xs->inode_bh);
-	if (ret < 0)
+	ret = ocfs2_xa_store_value(loc, xi, ctxt);
+	if (ret)
 		mlog_errno(ret);
 
-	if (!ret && xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
-		/*
-		 * Set value outside in B tree.
-		 * This is the second step for value size > INLINE_SIZE.
-		 */
-		size_t offs = le16_to_cpu(xs->here->xe_name_offset);
-		ret = ocfs2_xattr_set_value_outside(inode, xi, xs, ctxt,
-						    &vb, offs);
-		if (ret < 0) {
-			int ret2;
+out_dirty:
+	ocfs2_xa_journal_dirty(ctxt->handle, loc);
 
-			mlog_errno(ret);
-			/*
-			 * If set value outside failed, we have to clean
-			 * the junk tree root we have already set in local.
-			 */
-			ret2 = ocfs2_xattr_cleanup(inode, ctxt->handle,
-						   xi, xs, &vb, offs);
-			if (ret2 < 0)
-				mlog_errno(ret2);
-		}
-	}
 out:
 	return ret;
 }
 
+static void ocfs2_init_dinode_xa_loc(struct ocfs2_xa_loc *loc,
+				     struct inode *inode,
+				     struct buffer_head *bh,
+				     struct ocfs2_xattr_entry *entry)
+{
+	struct ocfs2_dinode *di = (struct ocfs2_dinode *)bh->b_data;
+
+	BUG_ON(!(OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_XATTR_FL));
+
+	loc->xl_inode = inode;
+	loc->xl_ops = &ocfs2_xa_block_loc_ops;
+	loc->xl_storage = bh;
+	loc->xl_entry = entry;
+	loc->xl_size = le16_to_cpu(di->i_xattr_inline_size);
+	loc->xl_header =
+		(struct ocfs2_xattr_header *)(bh->b_data + bh->b_size -
+					      loc->xl_size);
+}
+
+static void ocfs2_init_xattr_block_xa_loc(struct ocfs2_xa_loc *loc,
+					  struct inode *inode,
+					  struct buffer_head *bh,
+					  struct ocfs2_xattr_entry *entry)
+{
+	struct ocfs2_xattr_block *xb =
+		(struct ocfs2_xattr_block *)bh->b_data;
+
+	BUG_ON(le16_to_cpu(xb->xb_flags) & OCFS2_XATTR_INDEXED);
+
+	loc->xl_inode = inode;
+	loc->xl_ops = &ocfs2_xa_block_loc_ops;
+	loc->xl_storage = bh;
+	loc->xl_header = &(xb->xb_attrs.xb_header);
+	loc->xl_entry = entry;
+	loc->xl_size = bh->b_size - offsetof(struct ocfs2_xattr_block,
+					     xb_attrs.xb_header);
+}
+
+static void ocfs2_init_xattr_bucket_xa_loc(struct ocfs2_xa_loc *loc,
+					   struct ocfs2_xattr_bucket *bucket,
+					   struct ocfs2_xattr_entry *entry)
+{
+	loc->xl_inode = bucket->bu_inode;
+	loc->xl_ops = &ocfs2_xa_bucket_loc_ops;
+	loc->xl_storage = bucket;
+	loc->xl_header = bucket_xh(bucket);
+	loc->xl_entry = entry;
+	loc->xl_size = OCFS2_XATTR_BUCKET_SIZE;
+}
+
 /*
  * In xattr remove, if it is stored outside and refcounted, we may have
  * the chance to split the refcount tree. So need the allocators.
@@ -2149,6 +2683,55 @@ static int ocfs2_xattr_ibody_find(struct inode *inode,
 	return 0;
 }
 
+static int ocfs2_xattr_ibody_init(struct inode *inode,
+				  struct buffer_head *di_bh,
+				  struct ocfs2_xattr_set_ctxt *ctxt)
+{
+	int ret;
+	struct ocfs2_inode_info *oi = OCFS2_I(inode);
+	struct ocfs2_dinode *di = (struct ocfs2_dinode *)di_bh->b_data;
+	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	unsigned int xattrsize = osb->s_xattr_inline_size;
+
+	if (!ocfs2_xattr_has_space_inline(inode, di)) {
+		ret = -ENOSPC;
+		goto out;
+	}
+
+	ret = ocfs2_journal_access_di(ctxt->handle, INODE_CACHE(inode), di_bh,
+				      OCFS2_JOURNAL_ACCESS_WRITE);
+	if (ret) {
+		mlog_errno(ret);
+		goto out;
+	}
+
+	/*
+	 * Adjust extent record count or inline data size
+	 * to reserve space for extended attribute.
+	 */
+	if (oi->ip_dyn_features & OCFS2_INLINE_DATA_FL) {
+		struct ocfs2_inline_data *idata = &di->id2.i_data;
+		le16_add_cpu(&idata->id_count, -xattrsize);
+	} else if (!(ocfs2_inode_is_fast_symlink(inode))) {
+		struct ocfs2_extent_list *el = &di->id2.i_list;
+		le16_add_cpu(&el->l_count, -(xattrsize /
+					     sizeof(struct ocfs2_extent_rec)));
+	}
+	di->i_xattr_inline_size = cpu_to_le16(xattrsize);
+
+	spin_lock(&oi->ip_lock);
+	oi->ip_dyn_features |= OCFS2_INLINE_XATTR_FL|OCFS2_HAS_XATTR_FL;
+	di->i_dyn_features = cpu_to_le16(oi->ip_dyn_features);
+	spin_unlock(&oi->ip_lock);
+
+	ret = ocfs2_journal_dirty(ctxt->handle, di_bh);
+	if (ret < 0)
+		mlog_errno(ret);
+
+out:
+	return ret;
+}
+
 /*
  * ocfs2_xattr_ibody_set()
  *
@@ -2160,9 +2743,10 @@ static int ocfs2_xattr_ibody_set(struct inode *inode,
 				 struct ocfs2_xattr_search *xs,
 				 struct ocfs2_xattr_set_ctxt *ctxt)
 {
+	int ret;
 	struct ocfs2_inode_info *oi = OCFS2_I(inode);
 	struct ocfs2_dinode *di = (struct ocfs2_dinode *)xs->inode_bh->b_data;
-	int ret;
+	struct ocfs2_xa_loc loc;
 
 	if (inode->i_sb->s_blocksize == OCFS2_MIN_BLOCKSIZE)
 		return -ENOSPC;
@@ -2175,8 +2759,25 @@ static int ocfs2_xattr_ibody_set(struct inode *inode,
 		}
 	}
 
-	ret = ocfs2_xattr_set_entry(inode, xi, xs, ctxt,
-				(OCFS2_INLINE_XATTR_FL | OCFS2_HAS_XATTR_FL));
+	if (!(oi->ip_dyn_features & OCFS2_INLINE_XATTR_FL)) {
+		ret = ocfs2_xattr_ibody_init(inode, xs->inode_bh, ctxt);
+		if (ret) {
+			if (ret != -ENOSPC)
+				mlog_errno(ret);
+			goto out;
+		}
+	}
+
+	ocfs2_init_dinode_xa_loc(&loc, inode, xs->inode_bh,
+				 xs->not_found ? NULL : xs->here);
+	ret = ocfs2_xa_set(&loc, xi, ctxt);
+	if (ret) {
+		if (ret != -ENOSPC)
+			mlog_errno(ret);
+		goto out;
+	}
+	xs->here = loc.xl_entry;
+
 out:
 	up_write(&oi->ip_alloc_sem);
 
@@ -2236,12 +2837,11 @@ cleanup:
 	return ret;
 }
 
-static int ocfs2_create_xattr_block(handle_t *handle,
-				    struct inode *inode,
+static int ocfs2_create_xattr_block(struct inode *inode,
 				    struct buffer_head *inode_bh,
-				    struct ocfs2_alloc_context *meta_ac,
-				    struct buffer_head **ret_bh,
-				    int indexed)
+				    struct ocfs2_xattr_set_ctxt *ctxt,
+				    int indexed,
+				    struct buffer_head **ret_bh)
 {
 	int ret;
 	u16 suballoc_bit_start;
@@ -2252,14 +2852,14 @@ static int ocfs2_create_xattr_block(handle_t *handle,
 	struct buffer_head *new_bh = NULL;
 	struct ocfs2_xattr_block *xblk;
 
-	ret = ocfs2_journal_access_di(handle, INODE_CACHE(inode), inode_bh,
-				      OCFS2_JOURNAL_ACCESS_CREATE);
+	ret = ocfs2_journal_access_di(ctxt->handle, INODE_CACHE(inode),
+				      inode_bh, OCFS2_JOURNAL_ACCESS_CREATE);
 	if (ret < 0) {
 		mlog_errno(ret);
 		goto end;
 	}
 
-	ret = ocfs2_claim_metadata(osb, handle, meta_ac, 1,
+	ret = ocfs2_claim_metadata(osb, ctxt->handle, ctxt->meta_ac, 1,
 				   &suballoc_bit_start, &num_got,
 				   &first_blkno);
 	if (ret < 0) {
@@ -2270,7 +2870,7 @@ static int ocfs2_create_xattr_block(handle_t *handle,
 	new_bh = sb_getblk(inode->i_sb, first_blkno);
 	ocfs2_set_new_buffer_uptodate(INODE_CACHE(inode), new_bh);
 
-	ret = ocfs2_journal_access_xb(handle, INODE_CACHE(inode),
+	ret = ocfs2_journal_access_xb(ctxt->handle, INODE_CACHE(inode),
 				      new_bh,
 				      OCFS2_JOURNAL_ACCESS_CREATE);
 	if (ret < 0) {
@@ -2282,11 +2882,10 @@ static int ocfs2_create_xattr_block(handle_t *handle,
 	xblk = (struct ocfs2_xattr_block *)new_bh->b_data;
 	memset(xblk, 0, inode->i_sb->s_blocksize);
 	strcpy((void *)xblk, OCFS2_XATTR_BLOCK_SIGNATURE);
-	xblk->xb_suballoc_slot = cpu_to_le16(osb->slot_num);
+	xblk->xb_suballoc_slot = cpu_to_le16(ctxt->meta_ac->ac_alloc_slot);
 	xblk->xb_suballoc_bit = cpu_to_le16(suballoc_bit_start);
 	xblk->xb_fs_generation = cpu_to_le32(osb->fs_generation);
 	xblk->xb_blkno = cpu_to_le64(first_blkno);
-
 	if (indexed) {
 		struct ocfs2_xattr_tree_root *xr = &xblk->xb_attrs.xb_root;
 		xr->xt_clusters = cpu_to_le32(1);
@@ -2297,14 +2896,17 @@ static int ocfs2_create_xattr_block(handle_t *handle,
 		xr->xt_list.l_next_free_rec = cpu_to_le16(1);
 		xblk->xb_flags = cpu_to_le16(OCFS2_XATTR_INDEXED);
 	}
+	ocfs2_journal_dirty(ctxt->handle, new_bh);
 
-	ret = ocfs2_journal_dirty(handle, new_bh);
-	if (ret < 0) {
-		mlog_errno(ret);
-		goto end;
-	}
+	/* Add it to the inode */
 	di->i_xattr_loc = cpu_to_le64(first_blkno);
-	ocfs2_journal_dirty(handle, inode_bh);
+
+	spin_lock(&OCFS2_I(inode)->ip_lock);
+	OCFS2_I(inode)->ip_dyn_features |= OCFS2_HAS_XATTR_FL;
+	di->i_dyn_features = cpu_to_le16(OCFS2_I(inode)->ip_dyn_features);
+	spin_unlock(&OCFS2_I(inode)->ip_lock);
+
+	ocfs2_journal_dirty(ctxt->handle, inode_bh);
 
 	*ret_bh = new_bh;
 	new_bh = NULL;
@@ -2326,13 +2928,13 @@ static int ocfs2_xattr_block_set(struct inode *inode,
 				 struct ocfs2_xattr_set_ctxt *ctxt)
 {
 	struct buffer_head *new_bh = NULL;
-	handle_t *handle = ctxt->handle;
 	struct ocfs2_xattr_block *xblk = NULL;
 	int ret;
+	struct ocfs2_xa_loc loc;
 
 	if (!xs->xattr_bh) {
-		ret = ocfs2_create_xattr_block(handle, inode, xs->inode_bh,
-					       ctxt->meta_ac, &new_bh, 0);
+		ret = ocfs2_create_xattr_block(inode, xs->inode_bh, ctxt,
+					       0, &new_bh);
 		if (ret) {
 			mlog_errno(ret);
 			goto end;
@@ -2348,21 +2950,25 @@ static int ocfs2_xattr_block_set(struct inode *inode,
 		xblk = (struct ocfs2_xattr_block *)xs->xattr_bh->b_data;
 
 	if (!(le16_to_cpu(xblk->xb_flags) & OCFS2_XATTR_INDEXED)) {
-		/* Set extended attribute into external block */
-		ret = ocfs2_xattr_set_entry(inode, xi, xs, ctxt,
-					    OCFS2_HAS_XATTR_FL);
-		if (!ret || ret != -ENOSPC)
-			goto end;
+		ocfs2_init_xattr_block_xa_loc(&loc, inode, xs->xattr_bh,
+					      xs->not_found ? NULL : xs->here);
 
-		ret = ocfs2_xattr_create_index_block(inode, xs, ctxt);
-		if (ret)
+		ret = ocfs2_xa_set(&loc, xi, ctxt);
+		if (!ret)
+			xs->here = loc.xl_entry;
+		else if (ret != -ENOSPC)
 			goto end;
+		else {
+			ret = ocfs2_xattr_create_index_block(inode, xs, ctxt);
+			if (ret)
+				goto end;
+		}
 	}
 
-	ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs, ctxt);
+	if (le16_to_cpu(xblk->xb_flags) & OCFS2_XATTR_INDEXED)
+		ret = ocfs2_xattr_set_entry_index_block(inode, xi, xs, ctxt);
 
 end:
-
 	return ret;
 }
 
@@ -2371,7 +2977,6 @@ static int ocfs2_xattr_can_be_in_inode(struct inode *inode,
 				       struct ocfs2_xattr_info *xi,
 				       struct ocfs2_xattr_search *xs)
 {
-	u64 value_size;
 	struct ocfs2_xattr_entry *last;
 	int free, i;
 	size_t min_offs = xs->end - xs->base;
@@ -2394,13 +2999,7 @@ static int ocfs2_xattr_can_be_in_inode(struct inode *inode,
 
 	BUG_ON(!xs->not_found);
 
-	if (xi->value_len > OCFS2_XATTR_INLINE_SIZE)
-		value_size = OCFS2_XATTR_ROOT_SIZE;
-	else
-		value_size = OCFS2_XATTR_SIZE(xi->value_len);
-
-	if (free >= sizeof(struct ocfs2_xattr_entry) +
-		   OCFS2_XATTR_SIZE(strlen(xi->name)) + value_size)
+	if (free >= (sizeof(struct ocfs2_xattr_entry) + namevalue_size_xi(xi)))
 		return 1;
 
 	return 0;
@@ -2424,7 +3023,7 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode,
 	char *base = NULL;
 	int name_offset, name_len = 0;
 	u32 new_clusters = ocfs2_clusters_for_bytes(inode->i_sb,
-						    xi->value_len);
+						    xi->xi_value_len);
 	u64 value_size;
 
 	/*
@@ -2432,14 +3031,14 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode,
 	 * No matter whether we replace an old one or add a new one,
 	 * we need this for writing.
 	 */
-	if (xi->value_len > OCFS2_XATTR_INLINE_SIZE)
+	if (xi->xi_value_len > OCFS2_XATTR_INLINE_SIZE)
 		credits += new_clusters *
 			   ocfs2_clusters_to_blocks(inode->i_sb, 1);
 
 	if (xis->not_found && xbs->not_found) {
 		credits += ocfs2_blocks_per_xattr_bucket(inode->i_sb);
 
-		if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
+		if (xi->xi_value_len > OCFS2_XATTR_INLINE_SIZE) {
 			clusters_add += new_clusters;
 			credits += ocfs2_calc_extend_credits(inode->i_sb,
 							&def_xv.xv.xr_list,
@@ -2484,7 +3083,7 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode,
 	 * The credits for removing the value tree will be extended
 	 * by ocfs2_remove_extent itself.
 	 */
-	if (!xi->value) {
+	if (!xi->xi_value) {
 		if (!ocfs2_xattr_is_local(xe))
 			credits += ocfs2_remove_extent_credits(inode->i_sb);
 
@@ -2514,7 +3113,7 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode,
 		}
 	}
 
-	if (xi->value_len > OCFS2_XATTR_INLINE_SIZE) {
+	if (xi->xi_value_len > OCFS2_XATTR_INLINE_SIZE) {
 		/* the new values will be stored outside. */
 		u32 old_clusters = 0;
 
@@ -2547,9 +3146,10 @@ static int ocfs2_calc_xattr_set_need(struct inode *inode,
 		 * value, we don't need any allocation, otherwise we have
 		 * to guess metadata allocation.
 		 */
-		if ((ocfs2_xattr_is_local(xe) && value_size >= xi->value_len) ||
+		if ((ocfs2_xattr_is_local(xe) &&
+		     (value_size >= xi->xi_value_len)) ||
 		    (!ocfs2_xattr_is_local(xe) &&
-		     OCFS2_XATTR_ROOT_SIZE >= xi->value_len))
+		     OCFS2_XATTR_ROOT_SIZE >= xi->xi_value_len))
 			goto out;
 	}
 
@@ -2639,7 +3239,7 @@ static int ocfs2_init_xattr_set_ctxt(struct inode *inode,
 
 	meta_add += extra_meta;
 	mlog(0, "Set xattr %s, reserve meta blocks = %d, clusters = %d, "
-	     "credits = %d\n", xi->name, meta_add, clusters_add, *credits);
+	     "credits = %d\n", xi->xi_name, meta_add, clusters_add, *credits);
 
 	if (meta_add) {
 		ret = ocfs2_reserve_new_metadata_blocks(osb, meta_add,
@@ -2679,7 +3279,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode,
 {
 	int ret = 0, credits, old_found;
 
-	if (!xi->value) {
+	if (!xi->xi_value) {
 		/* Remove existing extended attribute */
 		if (!xis->not_found)
 			ret = ocfs2_xattr_ibody_set(inode, xi, xis, ctxt);
@@ -2693,8 +3293,8 @@ static int __ocfs2_xattr_set_handle(struct inode *inode,
 			 * If succeed and that extended attribute existing in
 			 * external block, then we will remove it.
 			 */
-			xi->value = NULL;
-			xi->value_len = 0;
+			xi->xi_value = NULL;
+			xi->xi_value_len = 0;
 
 			old_found = xis->not_found;
 			xis->not_found = -ENODATA;
@@ -2722,8 +3322,8 @@ static int __ocfs2_xattr_set_handle(struct inode *inode,
 		} else if (ret == -ENOSPC) {
 			if (di->i_xattr_loc && !xbs->xattr_bh) {
 				ret = ocfs2_xattr_block_find(inode,
-							     xi->name_index,
-							     xi->name, xbs);
+							     xi->xi_name_index,
+							     xi->xi_name, xbs);
 				if (ret)
 					goto out;
 
@@ -2762,8 +3362,8 @@ static int __ocfs2_xattr_set_handle(struct inode *inode,
 				 * If succeed and that extended attribute
 				 * existing in inode, we will remove it.
 				 */
-				xi->value = NULL;
-				xi->value_len = 0;
+				xi->xi_value = NULL;
+				xi->xi_value_len = 0;
 				xbs->not_found = -ENODATA;
 				ret = ocfs2_calc_xattr_set_need(inode,
 								di,
@@ -2829,10 +3429,11 @@ int ocfs2_xattr_set_handle(handle_t *handle,
 	int ret;
 
 	struct ocfs2_xattr_info xi = {
-		.name_index = name_index,
-		.name = name,
-		.value = value,
-		.value_len = value_len,
+		.xi_name_index = name_index,
+		.xi_name = name,
+		.xi_name_len = strlen(name),
+		.xi_value = value,
+		.xi_value_len = value_len,
 	};
 
 	struct ocfs2_xattr_search xis = {
@@ -2912,10 +3513,11 @@ int ocfs2_xattr_set(struct inode *inode,
 	struct ocfs2_refcount_tree *ref_tree = NULL;
 
 	struct ocfs2_xattr_info xi = {
-		.name_index = name_index,
-		.name = name,
-		.value = value,
-		.value_len = value_len,
+		.xi_name_index = name_index,
+		.xi_name = name,
+		.xi_name_len = strlen(name),
+		.xi_value = value,
+		.xi_value_len = value_len,
 	};
 
 	struct ocfs2_xattr_search xis = {
@@ -3759,7 +4361,7 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode,
 				     struct ocfs2_xattr_bucket *bucket)
 {
 	int ret, i;
-	size_t end, offset, len, value_len;
+	size_t end, offset, len;
 	struct ocfs2_xattr_header *xh;
 	char *entries, *buf, *bucket_buf = NULL;
 	u64 blkno = bucket_blkno(bucket);
@@ -3813,12 +4415,7 @@ static int ocfs2_defrag_xattr_bucket(struct inode *inode,
 	end = OCFS2_XATTR_BUCKET_SIZE;
 	for (i = 0; i < le16_to_cpu(xh->xh_count); i++, xe++) {
 		offset = le16_to_cpu(xe->xe_name_offset);
-		if (ocfs2_xattr_is_local(xe))
-			value_len = OCFS2_XATTR_SIZE(
-					le64_to_cpu(xe->xe_value_size));
-		else
-			value_len = OCFS2_XATTR_ROOT_SIZE;
-		len = OCFS2_XATTR_SIZE(xe->xe_name_len) + value_len;
+		len = namevalue_size_xe(xe);
 
 		/*
 		 * We must make sure that the name/value pair
@@ -4007,7 +4604,7 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode,
 				    int new_bucket_head)
 {
 	int ret, i;
-	int count, start, len, name_value_len = 0, xe_len, name_offset = 0;
+	int count, start, len, name_value_len = 0, name_offset = 0;
 	struct ocfs2_xattr_bucket *s_bucket = NULL, *t_bucket = NULL;
 	struct ocfs2_xattr_header *xh;
 	struct ocfs2_xattr_entry *xe;
@@ -4098,13 +4695,7 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode,
 	name_value_len = 0;
 	for (i = 0; i < start; i++) {
 		xe = &xh->xh_entries[i];
-		xe_len = OCFS2_XATTR_SIZE(xe->xe_name_len);
-		if (ocfs2_xattr_is_local(xe))
-			xe_len +=
-			   OCFS2_XATTR_SIZE(le64_to_cpu(xe->xe_value_size));
-		else
-			xe_len += OCFS2_XATTR_ROOT_SIZE;
-		name_value_len += xe_len;
+		name_value_len += namevalue_size_xe(xe);
 		if (le16_to_cpu(xe->xe_name_offset) < name_offset)
 			name_offset = le16_to_cpu(xe->xe_name_offset);
 	}
@@ -4134,12 +4725,6 @@ static int ocfs2_divide_xattr_bucket(struct inode *inode,
 	xh->xh_free_start = cpu_to_le16(OCFS2_XATTR_BUCKET_SIZE);
 	for (i = 0; i < le16_to_cpu(xh->xh_count); i++) {
 		xe = &xh->xh_entries[i];
-		xe_len = OCFS2_XATTR_SIZE(xe->xe_name_len);
-		if (ocfs2_xattr_is_local(xe))
-			xe_len +=
-			   OCFS2_XATTR_SIZE(le64_to_cpu(xe->xe_value_size));
-		else
-			xe_len += OCFS2_XATTR_ROOT_SIZE;
 		if (le16_to_cpu(xe->xe_name_offset) <
 		    le16_to_cpu(xh->xh_free_start))
 			xh->xh_free_start = xe->xe_name_offset;
@@ -4751,195 +5336,6 @@ static inline char *ocfs2_xattr_bucket_get_val(struct inode *inode,
 }
 
 /*
- * Handle the normal xattr set, including replace, delete and new.
- *
- * Note: "local" indicates the real data's locality. So we can't
- * just its bucket locality by its length.
- */
-static void ocfs2_xattr_set_entry_normal(struct inode *inode,
-					 struct ocfs2_xattr_info *xi,
-					 struct ocfs2_xattr_search *xs,
-					 u32 name_hash,
-					 int local)
-{
-	struct ocfs2_xattr_entry *last, *xe;
-	int name_len = strlen(xi->name);
-	struct ocfs2_xattr_header *xh = xs->header;
-	u16 count = le16_to_cpu(xh->xh_count), start;
-	size_t blocksize = inode->i_sb->s_blocksize;
-	char *val;
-	size_t offs, size, new_size;
-
-	last = &xh->xh_entries[count];
-	if (!xs->not_found) {
-		xe = xs->here;
-		offs = le16_to_cpu(xe->xe_name_offset);
-		if (ocfs2_xattr_is_local(xe))
-			size = OCFS2_XATTR_SIZE(name_len) +
-			OCFS2_XATTR_SIZE(le64_to_cpu(xe->xe_value_size));
-		else
-			size = OCFS2_XATTR_SIZE(name_len) +
-			OCFS2_XATTR_SIZE(OCFS2_XATTR_ROOT_SIZE);
-
-		/*
-		 * If the new value will be stored outside, xi->value has been
-		 * initalized as an empty ocfs2_xattr_value_root, and the same
-		 * goes with xi->value_len, so we can set new_size safely here.
-		 * See ocfs2_xattr_set_in_bucket.
-		 */
-		new_size = OCFS2_XATTR_SIZE(name_len) +
-			   OCFS2_XATTR_SIZE(xi->value_len);
-
-		le16_add_cpu(&xh->xh_name_value_len, -size);
-		if (xi->value) {
-			if (new_size > size)
-				goto set_new_name_value;
-
-			/* Now replace the old value with new one. */
-			if (local)
-				xe->xe_value_size = cpu_to_le64(xi->value_len);
-			else
-				xe->xe_value_size = 0;
-
-			val = ocfs2_xattr_bucket_get_val(inode,
-							 xs->bucket, offs);
-			memset(val + OCFS2_XATTR_SIZE(name_len), 0,
-			       size - OCFS2_XATTR_SIZE(name_len));
-			if (OCFS2_XATTR_SIZE(xi->value_len) > 0)
-				memcpy(val + OCFS2_XATTR_SIZE(name_len),
-				       xi->value, xi->value_len);
-
-			le16_add_cpu(&xh->xh_name_value_len, new_size);
-			ocfs2_xattr_set_local(xe, local);
-			return;
-		} else {
-			/*
-			 * Remove the old entry if there is more than one.
-			 * We don't remove the last entry so that we can
-			 * use it to indicate the hash value of the empty
-			 * bucket.
-			 */
-			last -= 1;
-			le16_add_cpu(&xh->xh_count, -1);
-			if (xh->xh_count) {
-				memmove(xe, xe + 1,
-					(void *)last - (void *)xe);
-				memset(last, 0,
-				       sizeof(struct ocfs2_xattr_entry));
-			} else
-				xh->xh_free_start =
-					cpu_to_le16(OCFS2_XATTR_BUCKET_SIZE);
-
-			return;
-		}
-	} else {
-		/* find a new entry for insert. */
-		int low = 0, high = count - 1, tmp;
-		struct ocfs2_xattr_entry *tmp_xe;
-
-		while (low <= high && count) {
-			tmp = (low + high) / 2;
-			tmp_xe = &xh->xh_entries[tmp];
-
-			if (name_hash > le32_to_cpu(tmp_xe->xe_name_hash))
-				low = tmp + 1;
-			else if (name_hash <
-				 le32_to_cpu(tmp_xe->xe_name_hash))
-				high = tmp - 1;
-			else {
-				low = tmp;
-				break;
-			}
-		}
-
-		xe = &xh->xh_entries[low];
-		if (low != count)
-			memmove(xe + 1, xe, (void *)last - (void *)xe);
-
-		le16_add_cpu(&xh->xh_count, 1);
-		memset(xe, 0, sizeof(struct ocfs2_xattr_entry));
-		xe->xe_name_hash = cpu_to_le32(name_hash);
-		xe->xe_name_len = name_len;
-		ocfs2_xattr_set_type(xe, xi->name_index);
-	}
-
-set_new_name_value:
-	/* Insert the new name+value. */
-	size = OCFS2_XATTR_SIZE(name_len) + OCFS2_XATTR_SIZE(xi->value_len);
-
-	/*
-	 * We must make sure that the name/value pair
-	 * exists in the same block.
-	 */
-	offs = le16_to_cpu(xh->xh_free_start);
-	start = offs - size;
-
-	if (start >> inode->i_sb->s_blocksize_bits !=
-	    (offs - 1) >> inode->i_sb->s_blocksize_bits) {
-		offs = offs - offs % blocksize;
-		xh->xh_free_start = cpu_to_le16(offs);
-	}
-
-	val = ocfs2_xattr_bucket_get_val(inode, xs->bucket, offs - size);
-	xe->xe_name_offset = cpu_to_le16(offs - size);
-
-	memset(val, 0, size);
-	memcpy(val, xi->name, name_len);
-	memcpy(val + OCFS2_XATTR_SIZE(name_len), xi->value, xi->value_len);
-
-	xe->xe_value_size = cpu_to_le64(xi->value_len);
-	ocfs2_xattr_set_local(xe, local);
-	xs->here = xe;
-	le16_add_cpu(&xh->xh_free_start, -size);
-	le16_add_cpu(&xh->xh_name_value_len, size);
-
-	return;
-}
-
-/*
- * Set the xattr entry in the specified bucket.
- * The bucket is indicated by xs->bucket and it should have the enough
- * space for the xattr insertion.
- */
-static int ocfs2_xattr_set_entry_in_bucket(struct inode *inode,
-					   handle_t *handle,
-					   struct ocfs2_xattr_info *xi,
-					   struct ocfs2_xattr_search *xs,
-					   u32 name_hash,
-					   int local)
-{
-	int ret;
-	u64 blkno;
-
-	mlog(0, "Set xattr entry len = %lu index = %d in bucket %llu\n",
-	     (unsigned long)xi->value_len, xi->name_index,
-	     (unsigned long long)bucket_blkno(xs->bucket));
-
-	if (!xs->bucket->bu_bhs[1]) {
-		blkno = bucket_blkno(xs->bucket);
-		ocfs2_xattr_bucket_relse(xs->bucket);
-		ret = ocfs2_read_xattr_bucket(xs->bucket, blkno);
-		if (ret) {
-			mlog_errno(ret);
-			goto out;
-		}
-	}
-
-	ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,
-						OCFS2_JOURNAL_ACCESS_WRITE);
-	if (ret < 0) {
-		mlog_errno(ret);
-		goto out;
-	}
-
-	ocfs2_xattr_set_entry_normal(inode, xi, xs, name_hash, local);
-	ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket);
-
-out:
-	return ret;
-}
-
-/*
  * Truncate the specified xe_off entry in xattr bucket.
  * bucket is indicated by header_bh and len is the new length.
  * Both the ocfs2_xattr_value_root and the entry will be updated here.
@@ -5009,66 +5405,6 @@ out:
 	return ret;
 }
 
-static int ocfs2_xattr_bucket_value_truncate_xs(struct inode *inode,
-					struct ocfs2_xattr_search *xs,
-					int len,
-					struct ocfs2_xattr_set_ctxt *ctxt)
-{
-	int ret, offset;
-	struct ocfs2_xattr_entry *xe = xs->here;
-	struct ocfs2_xattr_header *xh = (struct ocfs2_xattr_header *)xs->base;
-
-	BUG_ON(!xs->bucket->bu_bhs[0] || !xe || ocfs2_xattr_is_local(xe));
-
-	offset = xe - xh->xh_entries;
-	ret = ocfs2_xattr_bucket_value_truncate(inode, xs->bucket,
-						offset, len, ctxt);
-	if (ret)
-		mlog_errno(ret);
-
-	return ret;
-}
-
-static int ocfs2_xattr_bucket_set_value_outside(struct inode *inode,
-						handle_t *handle,
-						struct ocfs2_xattr_search *xs,
-						char *val,
-						int value_len)
-{
-	int ret, offset, block_off;
-	struct ocfs2_xattr_value_root *xv;
-	struct ocfs2_xattr_entry *xe = xs->here;
-	struct ocfs2_xattr_header *xh = bucket_xh(xs->bucket);
-	void *base;
-	struct ocfs2_xattr_value_buf vb = {
-		.vb_access = ocfs2_journal_access,
-	};
-
-	BUG_ON(!xs->base || !xe || ocfs2_xattr_is_local(xe));
-
-	ret = ocfs2_xattr_bucket_get_name_value(inode->i_sb, xh,
-						xe - xh->xh_entries,
-						&block_off,
-						&offset);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
-
-	base = bucket_block(xs->bucket, block_off);
-	xv = (struct ocfs2_xattr_value_root *)(base + offset +
-		 OCFS2_XATTR_SIZE(xe->xe_name_len));
-
-	vb.vb_xv = xv;
-	vb.vb_bh = xs->bucket->bu_bhs[block_off];
-	ret = __ocfs2_xattr_set_value_outside(inode, handle,
-					      &vb, val, value_len);
-	if (ret)
-		mlog_errno(ret);
-out:
-	return ret;
-}
-
 static int ocfs2_rm_xattr_cluster(struct inode *inode,
 				  struct buffer_head *root_bh,
 				  u64 blkno,
@@ -5167,128 +5503,6 @@ out:
 	return ret;
 }
 
-static void ocfs2_xattr_bucket_remove_xs(struct inode *inode,
-					 handle_t *handle,
-					 struct ocfs2_xattr_search *xs)
-{
-	struct ocfs2_xattr_header *xh = bucket_xh(xs->bucket);
-	struct ocfs2_xattr_entry *last = &xh->xh_entries[
-						le16_to_cpu(xh->xh_count) - 1];
-	int ret = 0;
-
-	ret = ocfs2_xattr_bucket_journal_access(handle, xs->bucket,
-						OCFS2_JOURNAL_ACCESS_WRITE);
-	if (ret) {
-		mlog_errno(ret);
-		return;
-	}
-
-	/* Remove the old entry. */
-	memmove(xs->here, xs->here + 1,
-		(void *)last - (void *)xs->here);
-	memset(last, 0, sizeof(struct ocfs2_xattr_entry));
-	le16_add_cpu(&xh->xh_count, -1);
-
-	ocfs2_xattr_bucket_journal_dirty(handle, xs->bucket);
-}
-
-/*
- * Set the xattr name/value in the bucket specified in xs.
- *
- * As the new value in xi may be stored in the bucket or in an outside cluster,
- * we divide the whole process into 3 steps:
- * 1. insert name/value in the bucket(ocfs2_xattr_set_entry_in_bucket)
- * 2. truncate of the outside cluster(ocfs2_xattr_bucket_value_truncate_xs)
- * 3. Set the value to the outside cluster(ocfs2_xattr_bucket_set_value_outside)
- * 4. If the clusters for the new outside value can't be allocated, we need
- *    to free the xattr we allocated in set.
- */
-static int ocfs2_xattr_set_in_bucket(struct inode *inode,
-				     struct ocfs2_xattr_info *xi,
-				     struct ocfs2_xattr_search *xs,
-				     struct ocfs2_xattr_set_ctxt *ctxt)
-{
-	int ret, local = 1;
-	size_t value_len;
-	char *val = (char *)xi->value;
-	struct ocfs2_xattr_entry *xe = xs->here;
-	u32 name_hash = ocfs2_xattr_name_hash(inode, xi->name,
-					      strlen(xi->name));
-
-	if (!xs->not_found && !ocfs2_xattr_is_local(xe)) {
-		/*
-		 * We need to truncate the xattr storage first.
-		 *
-		 * If both the old and new value are stored to
-		 * outside block, we only need to truncate
-		 * the storage and then set the value outside.
-		 *
-		 * If the new value should be stored within block,
-		 * we should free all the outside block first and
-		 * the modification to the xattr block will be done
-		 * by following steps.
-		 */
-		if (xi->value_len > OCFS2_XATTR_INLINE_SIZE)
-			value_len = xi->value_len;
-		else
-			value_len = 0;
-
-		ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs,
-							   value_len,
-							   ctxt);
-		if (ret)
-			goto out;
-
-		if (value_len)
-			goto set_value_outside;
-	}
-
-	value_len = xi->value_len;
-	/* So we have to handle the inside block change now. */
-	if (value_len > OCFS2_XATTR_INLINE_SIZE) {
-		/*
-		 * If the new value will be stored outside of block,
-		 * initalize a new empty value root and insert it first.
-		 */
-		local = 0;
-		xi->value = &def_xv;
-		xi->value_len = OCFS2_XATTR_ROOT_SIZE;
-	}
-
-	ret = ocfs2_xattr_set_entry_in_bucket(inode, ctxt->handle, xi, xs,
-					      name_hash, local);
-	if (ret) {
-		mlog_errno(ret);
-		goto out;
-	}
-
-	if (value_len <= OCFS2_XATTR_INLINE_SIZE)
-		goto out;
-
-	/* allocate the space now for the outside block storage. */
-	ret = ocfs2_xattr_bucket_value_truncate_xs(inode, xs,
-						   value_len, ctxt);
-	if (ret) {
-		mlog_errno(ret);
-
-		if (xs->not_found) {
-			/*
-			 * We can't allocate enough clusters for outside
-			 * storage and we have allocated xattr already,
-			 * so need to remove it.
-			 */
-			ocfs2_xattr_bucket_remove_xs(inode, ctxt->handle, xs);
-		}
-		goto out;
-	}
-
-set_value_outside:
-	ret = ocfs2_xattr_bucket_set_value_outside(inode, ctxt->handle,
-						   xs, val, value_len);
-out:
-	return ret;
-}
-
 /*
  * check whether the xattr bucket is filled up with the same hash value.
  * If we want to insert the xattr with the same hash, return -ENOSPC.
@@ -5317,156 +5531,116 @@ static int ocfs2_check_xattr_bucket_collision(struct inode *inode,
 	return 0;
 }
 
-static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
-					     struct ocfs2_xattr_info *xi,
-					     struct ocfs2_xattr_search *xs,
-					     struct ocfs2_xattr_set_ctxt *ctxt)
+/*
+ * Try to set the entry in the current bucket.  If we fail, the caller
+ * will handle getting us another bucket.
+ */
+static int ocfs2_xattr_set_entry_bucket(struct inode *inode,
+					struct ocfs2_xattr_info *xi,
+					struct ocfs2_xattr_search *xs,
+					struct ocfs2_xattr_set_ctxt *ctxt)
 {
-	struct ocfs2_xattr_header *xh;
-	struct ocfs2_xattr_entry *xe;
-	u16 count, header_size, xh_free_start;
-	int free, max_free, need, old;
-	size_t value_size = 0, name_len = strlen(xi->name);
-	size_t blocksize = inode->i_sb->s_blocksize;
-	int ret, allocation = 0;
-
-	mlog_entry("Set xattr %s in xattr index block\n", xi->name);
-
-try_again:
-	xh = xs->header;
-	count = le16_to_cpu(xh->xh_count);
-	xh_free_start = le16_to_cpu(xh->xh_free_start);
-	header_size = sizeof(struct ocfs2_xattr_header) +
-			count * sizeof(struct ocfs2_xattr_entry);
-	max_free = OCFS2_XATTR_BUCKET_SIZE - header_size -
-		le16_to_cpu(xh->xh_name_value_len) - OCFS2_XATTR_HEADER_GAP;
-
-	mlog_bug_on_msg(header_size > blocksize, "bucket %llu has header size "
-			"of %u which exceed block size\n",
-			(unsigned long long)bucket_blkno(xs->bucket),
-			header_size);
+	int ret;
+	struct ocfs2_xa_loc loc;
 
-	if (xi->value && xi->value_len > OCFS2_XATTR_INLINE_SIZE)
-		value_size = OCFS2_XATTR_ROOT_SIZE;
-	else if (xi->value)
-		value_size = OCFS2_XATTR_SIZE(xi->value_len);
+	mlog_entry("Set xattr %s in xattr bucket\n", xi->xi_name);
 
-	if (xs->not_found)
-		need = sizeof(struct ocfs2_xattr_entry) +
-			OCFS2_XATTR_SIZE(name_len) + value_size;
-	else {
-		need = value_size + OCFS2_XATTR_SIZE(name_len);
+	ocfs2_init_xattr_bucket_xa_loc(&loc, xs->bucket,
+				       xs->not_found ? NULL : xs->here);
+	ret = ocfs2_xa_set(&loc, xi, ctxt);
+	if (!ret) {
+		xs->here = loc.xl_entry;
+		goto out;
+	}
+	if (ret != -ENOSPC) {
+		mlog_errno(ret);
+		goto out;
+	}
 
-		/*
-		 * We only replace the old value if the new length is smaller
-		 * than the old one. Otherwise we will allocate new space in the
-		 * bucket to store it.
-		 */
-		xe = xs->here;
-		if (ocfs2_xattr_is_local(xe))
-			old = OCFS2_XATTR_SIZE(le64_to_cpu(xe->xe_value_size));
-		else
-			old = OCFS2_XATTR_SIZE(OCFS2_XATTR_ROOT_SIZE);
+	/* Ok, we need space.  Let's try defragmenting the bucket. */
+	ret = ocfs2_defrag_xattr_bucket(inode, ctxt->handle,
+					xs->bucket);
+	if (ret) {
+		mlog_errno(ret);
+		goto out;
+	}
 
-		if (old >= value_size)
-			need = 0;
+	ret = ocfs2_xa_set(&loc, xi, ctxt);
+	if (!ret) {
+		xs->here = loc.xl_entry;
+		goto out;
 	}
+	if (ret != -ENOSPC)
+		mlog_errno(ret);
 
-	free = xh_free_start - header_size - OCFS2_XATTR_HEADER_GAP;
-	/*
-	 * We need to make sure the new name/value pair
-	 * can exist in the same block.
-	 */
-	if (xh_free_start % blocksize < need)
-		free -= xh_free_start % blocksize;
-
-	mlog(0, "xs->not_found = %d, in xattr bucket %llu: free = %d, "
-	     "need = %d, max_free = %d, xh_free_start = %u, xh_name_value_len ="
-	     " %u\n", xs->not_found,
-	     (unsigned long long)bucket_blkno(xs->bucket),
-	     free, need, max_free, le16_to_cpu(xh->xh_free_start),
-	     le16_to_cpu(xh->xh_name_value_len));
-
-	if (free < need ||
-	    (xs->not_found &&
-	     count == ocfs2_xattr_max_xe_in_bucket(inode->i_sb))) {
-		if (need <= max_free &&
-		    count < ocfs2_xattr_max_xe_in_bucket(inode->i_sb)) {
-			/*
-			 * We can create the space by defragment. Since only the
-			 * name/value will be moved, the xe shouldn't be changed
-			 * in xs.
-			 */
-			ret = ocfs2_defrag_xattr_bucket(inode, ctxt->handle,
-							xs->bucket);
-			if (ret) {
-				mlog_errno(ret);
-				goto out;
-			}
 
-			xh_free_start = le16_to_cpu(xh->xh_free_start);
-			free = xh_free_start - header_size
-				- OCFS2_XATTR_HEADER_GAP;
-			if (xh_free_start % blocksize < need)
-				free -= xh_free_start % blocksize;
+out:
+	mlog_exit(ret);
+	return ret;
+}
 
-			if (free >= need)
-				goto xattr_set;
+static int ocfs2_xattr_set_entry_index_block(struct inode *inode,
+					     struct ocfs2_xattr_info *xi,
+					     struct ocfs2_xattr_search *xs,
+					     struct ocfs2_xattr_set_ctxt *ctxt)
+{
+	int ret;
 
-			mlog(0, "Can't get enough space for xattr insert by "
-			     "defragment. Need %u bytes, but we have %d, so "
-			     "allocate new bucket for it.\n", need, free);
-		}
+	mlog_entry("Set xattr %s in xattr index block\n", xi->xi_name);
 
-		/*
-		 * We have to add new buckets or clusters and one
-		 * allocation should leave us enough space for insert.
-		 */
-		BUG_ON(allocation);
+	ret = ocfs2_xattr_set_entry_bucket(inode, xi, xs, ctxt);
+	if (!ret)
+		goto out;
+	if (ret != -ENOSPC) {
+		mlog_errno(ret);
+		goto out;
+	}
 
-		/*
-		 * We do not allow for overlapping ranges between buckets. And
-		 * the maximum number of collisions we will allow for then is
-		 * one bucket's worth, so check it here whether we need to
-		 * add a new bucket for the insert.
-		 */
-		ret = ocfs2_check_xattr_bucket_collision(inode,
-							 xs->bucket,
-							 xi->name);
-		if (ret) {
-			mlog_errno(ret);
-			goto out;
-		}
+	/* Ack, need more space.  Let's try to get another bucket! */
 
-		ret = ocfs2_add_new_xattr_bucket(inode,
-						 xs->xattr_bh,
+	/*
+	 * We do not allow for overlapping ranges between buckets. And
+	 * the maximum number of collisions we will allow for then is
+	 * one bucket's worth, so check it here whether we need to
+	 * add a new bucket for the insert.
+	 */
+	ret = ocfs2_check_xattr_bucket_collision(inode,
 						 xs->bucket,
-						 ctxt);
-		if (ret) {
-			mlog_errno(ret);
-			goto out;
-		}
+						 xi->xi_name);
+	if (ret) {
+		mlog_errno(ret);
+		goto out;
+	}
 
-		/*
-		 * ocfs2_add_new_xattr_bucket() will have updated
-		 * xs->bucket if it moved, but it will not have updated
-		 * any of the other search fields.  Thus, we drop it and
-		 * re-search.  Everything should be cached, so it'll be
-		 * quick.
-		 */
-		ocfs2_xattr_bucket_relse(xs->bucket);
-		ret = ocfs2_xattr_index_block_find(inode, xs->xattr_bh,
-						   xi->name_index,
-						   xi->name, xs);
-		if (ret && ret != -ENODATA)
-			goto out;
-		xs->not_found = ret;
-		allocation = 1;
-		goto try_again;
+	ret = ocfs2_add_new_xattr_bucket(inode,
+					 xs->xattr_bh,
+					 xs->bucket,
+					 ctxt);
+	if (ret) {
+		mlog_errno(ret);
+		goto out;
 	}
 
-xattr_set:
-	ret = ocfs2_xattr_set_in_bucket(inode, xi, xs, ctxt);
+	/*
+	 * ocfs2_add_new_xattr_bucket() will have updated
+	 * xs->bucket if it moved, but it will not have updated
+	 * any of the other search fields.  Thus, we drop it and
+	 * re-search.  Everything should be cached, so it'll be
+	 * quick.
+	 */
+	ocfs2_xattr_bucket_relse(xs->bucket);
+	ret = ocfs2_xattr_index_block_find(inode, xs->xattr_bh,
+					   xi->xi_name_index,
+					   xi->xi_name, xs);
+	if (ret && ret != -ENODATA)
+		goto out;
+	xs->not_found = ret;
+
+	/* Ok, we have a new bucket, let's try again */
+	ret = ocfs2_xattr_set_entry_bucket(inode, xi, xs, ctxt);
+	if (ret && (ret != -ENOSPC))
+		mlog_errno(ret);
+
 out:
 	mlog_exit(ret);
 	return ret;
@@ -5678,7 +5852,7 @@ static int ocfs2_prepare_refcount_xattr(struct inode *inode,
 	 * refcount tree, and make the original extent become 3. So we will need
 	 * 2 * cluster more extent recs at most.
 	 */
-	if (!xi->value || xi->value_len <= OCFS2_XATTR_INLINE_SIZE) {
+	if (!xi->xi_value || xi->xi_value_len <= OCFS2_XATTR_INLINE_SIZE) {
 
 		ret = ocfs2_refcounted_xattr_delete_need(inode,
 							 &(*ref_tree)->rf_ci,
@@ -6354,33 +6528,33 @@ static int ocfs2_create_empty_xattr_block(struct inode *inode,
 					  int indexed)
 {
 	int ret;
-	handle_t *handle;
-	struct ocfs2_alloc_context *meta_ac;
 	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
+	struct ocfs2_xattr_set_ctxt ctxt;
 
-	ret = ocfs2_reserve_new_metadata_blocks(osb, 1, &meta_ac);
+	memset(&ctxt, 0, sizeof(ctxt));
+	ret = ocfs2_reserve_new_metadata_blocks(osb, 1, &ctxt.meta_ac);
 	if (ret < 0) {
 		mlog_errno(ret);
 		return ret;
 	}
 
-	handle = ocfs2_start_trans(osb, OCFS2_XATTR_BLOCK_CREATE_CREDITS);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
+	ctxt.handle = ocfs2_start_trans(osb, OCFS2_XATTR_BLOCK_CREATE_CREDITS);
+	if (IS_ERR(ctxt.handle)) {
+		ret = PTR_ERR(ctxt.handle);
 		mlog_errno(ret);
 		goto out;
 	}
 
 	mlog(0, "create new xattr block for inode %llu, index = %d\n",
 	     (unsigned long long)fe_bh->b_blocknr, indexed);
-	ret = ocfs2_create_xattr_block(handle, inode, fe_bh,
-				       meta_ac, ret_bh, indexed);
+	ret = ocfs2_create_xattr_block(inode, fe_bh, &ctxt, indexed,
+				       ret_bh);
 	if (ret)
 		mlog_errno(ret);
 
-	ocfs2_commit_trans(osb, handle);
+	ocfs2_commit_trans(osb, ctxt.handle);
 out:
-	ocfs2_free_alloc_context(meta_ac);
+	ocfs2_free_alloc_context(ctxt.meta_ac);
 	return ret;
 }
 
diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index f3b7c1541f3a..75d9b5ba1d45 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -11,6 +11,7 @@
 #include <linux/parser.h>
 #include <linux/buffer_head.h>
 #include <linux/vmalloc.h>
+#include <linux/writeback.h>
 #include <linux/crc-itu-t.h>
 #include "omfs.h"
 
@@ -89,7 +90,7 @@ static void omfs_update_checksums(struct omfs_inode *oi)
 	oi->i_head.h_check_xor = xor;
 }
 
-static int omfs_write_inode(struct inode *inode, int wait)
+static int __omfs_write_inode(struct inode *inode, int wait)
 {
 	struct omfs_inode *oi;
 	struct omfs_sb_info *sbi = OMFS_SB(inode->i_sb);
@@ -162,9 +163,14 @@ out:
 	return ret;
 }
 
+static int omfs_write_inode(struct inode *inode, struct writeback_control *wbc)
+{
+	return __omfs_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
+}
+
 int omfs_sync_inode(struct inode *inode)
 {
-	return omfs_write_inode(inode, 1);
+	return __omfs_write_inode(inode, 1);
 }
 
 /*
diff --git a/fs/open.c b/fs/open.c
index 040cef72bc00..e17f54454b50 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -8,7 +8,6 @@
 #include <linux/mm.h>
 #include <linux/file.h>
 #include <linux/fdtable.h>
-#include <linux/quotaops.h>
 #include <linux/fsnotify.h>
 #include <linux/module.h>
 #include <linux/slab.h>
@@ -271,17 +270,15 @@ static long do_sys_truncate(const char __user *pathname, loff_t length)
 	 * Make sure that there are no leases.  get_write_access() protects
 	 * against the truncate racing with a lease-granting setlease().
 	 */
-	error = break_lease(inode, FMODE_WRITE);
+	error = break_lease(inode, O_WRONLY);
 	if (error)
 		goto put_write_and_out;
 
 	error = locks_verify_truncate(inode, NULL, length);
 	if (!error)
 		error = security_path_truncate(&path, length, 0);
-	if (!error) {
-		vfs_dq_init(inode);
+	if (!error)
 		error = do_truncate(path.dentry, length, 0, NULL);
-	}
 
 put_write_and_out:
 	put_write_access(inode);
diff --git a/fs/partitions/msdos.c b/fs/partitions/msdos.c
index 0028d2ef0662..90be97f1f5a8 100644
--- a/fs/partitions/msdos.c
+++ b/fs/partitions/msdos.c
@@ -31,14 +31,17 @@
  */
 #include <asm/unaligned.h>
 
-#define SYS_IND(p)	(get_unaligned(&p->sys_ind))
-#define NR_SECTS(p)	({ __le32 __a =	get_unaligned(&p->nr_sects);	\
-				le32_to_cpu(__a); \
-			})
+#define SYS_IND(p)	get_unaligned(&p->sys_ind)
 
-#define START_SECT(p)	({ __le32 __a =	get_unaligned(&p->start_sect);	\
-				le32_to_cpu(__a); \
-			})
+static inline sector_t nr_sects(struct partition *p)
+{
+	return (sector_t)get_unaligned_le32(&p->nr_sects);
+}
+
+static inline sector_t start_sect(struct partition *p)
+{
+	return (sector_t)get_unaligned_le32(&p->start_sect);
+}
 
 static inline int is_extended_partition(struct partition *p)
 {
@@ -104,13 +107,13 @@ static int aix_magic_present(unsigned char *p, struct block_device *bdev)
 
 static void
 parse_extended(struct parsed_partitions *state, struct block_device *bdev,
-			u32 first_sector, u32 first_size)
+			sector_t first_sector, sector_t first_size)
 {
 	struct partition *p;
 	Sector sect;
 	unsigned char *data;
-	u32 this_sector, this_size;
-	int sector_size = bdev_logical_block_size(bdev) / 512;
+	sector_t this_sector, this_size;
+	sector_t sector_size = bdev_logical_block_size(bdev) / 512;
 	int loopct = 0;		/* number of links followed
 				   without finding a data partition */
 	int i;
@@ -145,14 +148,14 @@ parse_extended(struct parsed_partitions *state, struct block_device *bdev,
 		 * First process the data partition(s)
 		 */
 		for (i=0; i<4; i++, p++) {
-			u32 offs, size, next;
-			if (!NR_SECTS(p) || is_extended_partition(p))
+			sector_t offs, size, next;
+			if (!nr_sects(p) || is_extended_partition(p))
 				continue;
 
 			/* Check the 3rd and 4th entries -
 			   these sometimes contain random garbage */
-			offs = START_SECT(p)*sector_size;
-			size = NR_SECTS(p)*sector_size;
+			offs = start_sect(p)*sector_size;
+			size = nr_sects(p)*sector_size;
 			next = this_sector + offs;
 			if (i >= 2) {
 				if (offs + size > this_size)
@@ -179,13 +182,13 @@ parse_extended(struct parsed_partitions *state, struct block_device *bdev,
 		 */
 		p -= 4;
 		for (i=0; i<4; i++, p++)
-			if (NR_SECTS(p) && is_extended_partition(p))
+			if (nr_sects(p) && is_extended_partition(p))
 				break;
 		if (i == 4)
 			goto done;	 /* nothing left to do */
 
-		this_sector = first_sector + START_SECT(p) * sector_size;
-		this_size = NR_SECTS(p) * sector_size;
+		this_sector = first_sector + start_sect(p) * sector_size;
+		this_size = nr_sects(p) * sector_size;
 		put_dev_sector(sect);
 	}
 done:
@@ -197,7 +200,7 @@ done:
 
 static void
 parse_solaris_x86(struct parsed_partitions *state, struct block_device *bdev,
-			u32 offset, u32 size, int origin)
+			sector_t offset, sector_t size, int origin)
 {
 #ifdef CONFIG_SOLARIS_X86_PARTITION
 	Sector sect;
@@ -244,7 +247,7 @@ parse_solaris_x86(struct parsed_partitions *state, struct block_device *bdev,
  */
 static void
 parse_bsd(struct parsed_partitions *state, struct block_device *bdev,
-		u32 offset, u32 size, int origin, char *flavour,
+		sector_t offset, sector_t size, int origin, char *flavour,
 		int max_partitions)
 {
 	Sector sect;
@@ -263,7 +266,7 @@ parse_bsd(struct parsed_partitions *state, struct block_device *bdev,
 	if (le16_to_cpu(l->d_npartitions) < max_partitions)
 		max_partitions = le16_to_cpu(l->d_npartitions);
 	for (p = l->d_partitions; p - l->d_partitions < max_partitions; p++) {
-		u32 bsd_start, bsd_size;
+		sector_t bsd_start, bsd_size;
 
 		if (state->next == state->limit)
 			break;
@@ -290,7 +293,7 @@ parse_bsd(struct parsed_partitions *state, struct block_device *bdev,
 
 static void
 parse_freebsd(struct parsed_partitions *state, struct block_device *bdev,
-		u32 offset, u32 size, int origin)
+		sector_t offset, sector_t size, int origin)
 {
 #ifdef CONFIG_BSD_DISKLABEL
 	parse_bsd(state, bdev, offset, size, origin,
@@ -300,7 +303,7 @@ parse_freebsd(struct parsed_partitions *state, struct block_device *bdev,
 
 static void
 parse_netbsd(struct parsed_partitions *state, struct block_device *bdev,
-		u32 offset, u32 size, int origin)
+		sector_t offset, sector_t size, int origin)
 {
 #ifdef CONFIG_BSD_DISKLABEL
 	parse_bsd(state, bdev, offset, size, origin,
@@ -310,7 +313,7 @@ parse_netbsd(struct parsed_partitions *state, struct block_device *bdev,
 
 static void
 parse_openbsd(struct parsed_partitions *state, struct block_device *bdev,
-		u32 offset, u32 size, int origin)
+		sector_t offset, sector_t size, int origin)
 {
 #ifdef CONFIG_BSD_DISKLABEL
 	parse_bsd(state, bdev, offset, size, origin,
@@ -324,7 +327,7 @@ parse_openbsd(struct parsed_partitions *state, struct block_device *bdev,
  */
 static void
 parse_unixware(struct parsed_partitions *state, struct block_device *bdev,
-		u32 offset, u32 size, int origin)
+		sector_t offset, sector_t size, int origin)
 {
 #ifdef CONFIG_UNIXWARE_DISKLABEL
 	Sector sect;
@@ -348,7 +351,8 @@ parse_unixware(struct parsed_partitions *state, struct block_device *bdev,
 
 		if (p->s_label != UNIXWARE_FS_UNUSED)
 			put_partition(state, state->next++,
-						START_SECT(p), NR_SECTS(p));
+				      le32_to_cpu(p->start_sect),
+				      le32_to_cpu(p->nr_sects));
 		p++;
 	}
 	put_dev_sector(sect);
@@ -363,7 +367,7 @@ parse_unixware(struct parsed_partitions *state, struct block_device *bdev,
  */
 static void
 parse_minix(struct parsed_partitions *state, struct block_device *bdev,
-		u32 offset, u32 size, int origin)
+		sector_t offset, sector_t size, int origin)
 {
 #ifdef CONFIG_MINIX_SUBPARTITION
 	Sector sect;
@@ -390,7 +394,7 @@ parse_minix(struct parsed_partitions *state, struct block_device *bdev,
 			/* add each partition in use */
 			if (SYS_IND(p) == MINIX_PARTITION)
 				put_partition(state, state->next++,
-					      START_SECT(p), NR_SECTS(p));
+					      start_sect(p), nr_sects(p));
 		}
 		printk(" >\n");
 	}
@@ -401,7 +405,7 @@ parse_minix(struct parsed_partitions *state, struct block_device *bdev,
 static struct {
 	unsigned char id;
 	void (*parse)(struct parsed_partitions *, struct block_device *,
-			u32, u32, int);
+			sector_t, sector_t, int);
 } subtypes[] = {
 	{FREEBSD_PARTITION, parse_freebsd},
 	{NETBSD_PARTITION, parse_netbsd},
@@ -415,7 +419,7 @@ static struct {
  
 int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
 {
-	int sector_size = bdev_logical_block_size(bdev) / 512;
+	sector_t sector_size = bdev_logical_block_size(bdev) / 512;
 	Sector sect;
 	unsigned char *data;
 	struct partition *p;
@@ -483,14 +487,21 @@ int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
 
 	state->next = 5;
 	for (slot = 1 ; slot <= 4 ; slot++, p++) {
-		u32 start = START_SECT(p)*sector_size;
-		u32 size = NR_SECTS(p)*sector_size;
+		sector_t start = start_sect(p)*sector_size;
+		sector_t size = nr_sects(p)*sector_size;
 		if (!size)
 			continue;
 		if (is_extended_partition(p)) {
-			/* prevent someone doing mkfs or mkswap on an
-			   extended partition, but leave room for LILO */
-			put_partition(state, slot, start, size == 1 ? 1 : 2);
+			/*
+			 * prevent someone doing mkfs or mkswap on an
+			 * extended partition, but leave room for LILO
+			 * FIXME: this uses one logical sector for > 512b
+			 * sector, although it may not be enough/proper.
+			 */
+			sector_t n = 2;
+			n = min(size, max(sector_size, n));
+			put_partition(state, slot, start, n);
+
 			printk(" <");
 			parse_extended(state, bdev, start, size);
 			printk(" >");
@@ -513,7 +524,7 @@ int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
 		unsigned char id = SYS_IND(p);
 		int n;
 
-		if (!NR_SECTS(p))
+		if (!nr_sects(p))
 			continue;
 
 		for (n = 0; subtypes[n].parse && id != subtypes[n].id; n++)
@@ -521,8 +532,8 @@ int msdos_partition(struct parsed_partitions *state, struct block_device *bdev)
 
 		if (!subtypes[n].parse)
 			continue;
-		subtypes[n].parse(state, bdev, START_SECT(p)*sector_size,
-						NR_SECTS(p)*sector_size, slot);
+		subtypes[n].parse(state, bdev, start_sect(p)*sector_size,
+						nr_sects(p)*sector_size, slot);
 	}
 	put_dev_sector(sect);
 	return 1;
diff --git a/fs/pnode.c b/fs/pnode.c
index 8d5f392ec3d3..5cc564a83149 100644
--- a/fs/pnode.c
+++ b/fs/pnode.c
@@ -86,7 +86,7 @@ static int do_make_slave(struct vfsmount *mnt)
 
 	/*
 	 * slave 'mnt' to a peer mount that has the
-	 * same root dentry. If none is available than
+	 * same root dentry. If none is available then
 	 * slave it to anything that is available.
 	 */
 	while ((peer_mnt = next_peer(peer_mnt)) != mnt &&
@@ -147,6 +147,11 @@ void change_mnt_propagation(struct vfsmount *mnt, int type)
  * get the next mount in the propagation tree.
  * @m: the mount seen last
  * @origin: the original mount from where the tree walk initiated
+ *
+ * Note that peer groups form contiguous segments of slave lists.
+ * We rely on that in get_source() to be able to find out if
+ * vfsmount found while iterating with propagation_next() is
+ * a peer of one we'd found earlier.
  */
 static struct vfsmount *propagation_next(struct vfsmount *m,
 					 struct vfsmount *origin)
@@ -186,10 +191,6 @@ static struct vfsmount *get_source(struct vfsmount *dest,
 {
 	struct vfsmount *p_last_src = NULL;
 	struct vfsmount *p_last_dest = NULL;
-	*type = CL_PROPAGATION;
-
-	if (IS_MNT_SHARED(dest))
-		*type |= CL_MAKE_SHARED;
 
 	while (last_dest != dest->mnt_master) {
 		p_last_dest = last_dest;
@@ -202,13 +203,18 @@ static struct vfsmount *get_source(struct vfsmount *dest,
 		do {
 			p_last_dest = next_peer(p_last_dest);
 		} while (IS_MNT_NEW(p_last_dest));
+		/* is that a peer of the earlier? */
+		if (dest == p_last_dest) {
+			*type = CL_MAKE_SHARED;
+			return p_last_src;
+		}
 	}
-
-	if (dest != p_last_dest) {
-		*type |= CL_SLAVE;
-		return last_src;
-	} else
-		return p_last_src;
+	/* slave of the earlier, then */
+	*type = CL_SLAVE;
+	/* beginning of peer group among the slaves? */
+	if (IS_MNT_SHARED(dest))
+		*type |= CL_MAKE_SHARED;
+	return last_src;
 }
 
 /*
diff --git a/fs/pnode.h b/fs/pnode.h
index 958665d662af..1ea4ae1efcd3 100644
--- a/fs/pnode.h
+++ b/fs/pnode.h
@@ -21,12 +21,11 @@
 #define CL_SLAVE     		0x02
 #define CL_COPY_ALL 		0x04
 #define CL_MAKE_SHARED 		0x08
-#define CL_PROPAGATION 		0x10
-#define CL_PRIVATE 		0x20
+#define CL_PRIVATE 		0x10
 
 static inline void set_mnt_shared(struct vfsmount *mnt)
 {
-	mnt->mnt_flags &= ~MNT_PNODE_MASK;
+	mnt->mnt_flags &= ~MNT_SHARED_MASK;
 	mnt->mnt_flags |= MNT_SHARED;
 }
 
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 18e20feee251..aa8637b81028 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -273,7 +273,7 @@ static inline void task_sig(struct seq_file *m, struct task_struct *p)
 		rcu_read_lock();  /* FIXME: is this correct? */
 		qsize = atomic_read(&__task_cred(p)->user->sigpending);
 		rcu_read_unlock();
-		qlim = p->signal->rlim[RLIMIT_SIGPENDING].rlim_cur;
+		qlim = task_rlimit(p, RLIMIT_SIGPENDING);
 		unlock_task_sighand(p, &flags);
 	}
 
@@ -420,7 +420,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
 		cutime = sig->cutime;
 		cstime = sig->cstime;
 		cgtime = sig->cgtime;
-		rsslim = sig->rlim[RLIMIT_RSS].rlim_cur;
+		rsslim = ACCESS_ONCE(sig->rlim[RLIMIT_RSS].rlim_cur);
 
 		/* add up live thread stats at the group level */
 		if (whole) {
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 623e2ffb5d2b..b1f6e62773d3 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -442,12 +442,13 @@ static const struct file_operations proc_lstats_operations = {
 unsigned long badness(struct task_struct *p, unsigned long uptime);
 static int proc_oom_score(struct task_struct *task, char *buffer)
 {
-	unsigned long points;
+	unsigned long points = 0;
 	struct timespec uptime;
 
 	do_posix_clock_monotonic_gettime(&uptime);
 	read_lock(&tasklist_lock);
-	points = badness(task->group_leader, uptime.tv_sec);
+	if (pid_alive(task))
+		points = badness(task, uptime.tv_sec);
 	read_unlock(&tasklist_lock);
 	return sprintf(buffer, "%lu\n", points);
 }
@@ -647,17 +648,11 @@ static int mounts_release(struct inode *inode, struct file *file)
 static unsigned mounts_poll(struct file *file, poll_table *wait)
 {
 	struct proc_mounts *p = file->private_data;
-	struct mnt_namespace *ns = p->ns;
 	unsigned res = POLLIN | POLLRDNORM;
 
-	poll_wait(file, &ns->poll, wait);
-
-	spin_lock(&vfsmount_lock);
-	if (p->event != ns->event) {
-		p->event = ns->event;
+	poll_wait(file, &p->ns->poll, wait);
+	if (mnt_had_events(p))
 		res |= POLLERR | POLLPRI;
-	}
-	spin_unlock(&vfsmount_lock);
 
 	return res;
 }
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 480cb1065eec..08f4d71dacd7 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -291,19 +291,17 @@ static const struct inode_operations proc_file_inode_operations = {
  * returns the struct proc_dir_entry for "/proc/tty/driver", and
  * returns "serial" in residual.
  */
-static int xlate_proc_name(const char *name,
-			   struct proc_dir_entry **ret, const char **residual)
+static int __xlate_proc_name(const char *name, struct proc_dir_entry **ret,
+			     const char **residual)
 {
 	const char     		*cp = name, *next;
 	struct proc_dir_entry	*de;
 	int			len;
-	int 			rtn = 0;
 
 	de = *ret;
 	if (!de)
 		de = &proc_root;
 
-	spin_lock(&proc_subdir_lock);
 	while (1) {
 		next = strchr(cp, '/');
 		if (!next)
@@ -315,16 +313,25 @@ static int xlate_proc_name(const char *name,
 				break;
 		}
 		if (!de) {
-			rtn = -ENOENT;
-			goto out;
+			WARN(1, "name '%s'\n", name);
+			return -ENOENT;
 		}
 		cp += len + 1;
 	}
 	*residual = cp;
 	*ret = de;
-out:
+	return 0;
+}
+
+static int xlate_proc_name(const char *name, struct proc_dir_entry **ret,
+			   const char **residual)
+{
+	int rv;
+
+	spin_lock(&proc_subdir_lock);
+	rv = __xlate_proc_name(name, ret, residual);
 	spin_unlock(&proc_subdir_lock);
-	return rtn;
+	return rv;
 }
 
 static DEFINE_IDA(proc_inum_ida);
@@ -662,6 +669,7 @@ struct proc_dir_entry *proc_symlink(const char *name,
 	}
 	return ent;
 }
+EXPORT_SYMBOL(proc_symlink);
 
 struct proc_dir_entry *proc_mkdir_mode(const char *name, mode_t mode,
 		struct proc_dir_entry *parent)
@@ -700,6 +708,7 @@ struct proc_dir_entry *proc_mkdir(const char *name,
 {
 	return proc_mkdir_mode(name, S_IRUGO | S_IXUGO, parent);
 }
+EXPORT_SYMBOL(proc_mkdir);
 
 struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode,
 					 struct proc_dir_entry *parent)
@@ -728,6 +737,7 @@ struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode,
 	}
 	return ent;
 }
+EXPORT_SYMBOL(create_proc_entry);
 
 struct proc_dir_entry *proc_create_data(const char *name, mode_t mode,
 					struct proc_dir_entry *parent,
@@ -762,6 +772,7 @@ out_free:
 out:
 	return NULL;
 }
+EXPORT_SYMBOL(proc_create_data);
 
 static void free_proc_entry(struct proc_dir_entry *de)
 {
@@ -793,11 +804,13 @@ void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
 	const char *fn = name;
 	int len;
 
-	if (xlate_proc_name(name, &parent, &fn) != 0)
+	spin_lock(&proc_subdir_lock);
+	if (__xlate_proc_name(name, &parent, &fn) != 0) {
+		spin_unlock(&proc_subdir_lock);
 		return;
+	}
 	len = strlen(fn);
 
-	spin_lock(&proc_subdir_lock);
 	for (p = &parent->subdir; *p; p=&(*p)->next ) {
 		if (proc_match(len, fn, *p)) {
 			de = *p;
@@ -807,8 +820,10 @@ void remove_proc_entry(const char *name, struct proc_dir_entry *parent)
 		}
 	}
 	spin_unlock(&proc_subdir_lock);
-	if (!de)
+	if (!de) {
+		WARN(1, "name '%s'\n", name);
 		return;
+	}
 
 	spin_lock(&de->pde_unload_lock);
 	/*
@@ -853,3 +868,4 @@ continue_removing:
 			de->parent->name, de->name, de->subdir->name);
 	pde_put(de);
 }
+EXPORT_SYMBOL(remove_proc_entry);
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index a44a7897fd4d..b442dac8f5f9 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -490,7 +490,7 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos)
 		}
 		read_unlock(&kclist_lock);
 
-		if (m == NULL) {
+		if (&m->list == &kclist_head) {
 			if (clear_user(buffer, tsz))
 				return -EFAULT;
 		} else if (is_vmalloc_or_module_addr((void *)start)) {
diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c
index 7ca78346d3f0..cfe90a48a6e8 100644
--- a/fs/proc/kmsg.c
+++ b/fs/proc/kmsg.c
@@ -12,37 +12,37 @@
 #include <linux/poll.h>
 #include <linux/proc_fs.h>
 #include <linux/fs.h>
+#include <linux/syslog.h>
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
 
 extern wait_queue_head_t log_wait;
 
-extern int do_syslog(int type, char __user *bug, int count);
-
 static int kmsg_open(struct inode * inode, struct file * file)
 {
-	return do_syslog(1,NULL,0);
+	return do_syslog(SYSLOG_ACTION_OPEN, NULL, 0, SYSLOG_FROM_FILE);
 }
 
 static int kmsg_release(struct inode * inode, struct file * file)
 {
-	(void) do_syslog(0,NULL,0);
+	(void) do_syslog(SYSLOG_ACTION_CLOSE, NULL, 0, SYSLOG_FROM_FILE);
 	return 0;
 }
 
 static ssize_t kmsg_read(struct file *file, char __user *buf,
 			 size_t count, loff_t *ppos)
 {
-	if ((file->f_flags & O_NONBLOCK) && !do_syslog(9, NULL, 0))
+	if ((file->f_flags & O_NONBLOCK) &&
+	    !do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_FILE))
 		return -EAGAIN;
-	return do_syslog(2, buf, count);
+	return do_syslog(SYSLOG_ACTION_READ, buf, count, SYSLOG_FROM_FILE);
 }
 
 static unsigned int kmsg_poll(struct file *file, poll_table *wait)
 {
 	poll_wait(file, &log_wait, wait);
-	if (do_syslog(9, NULL, 0))
+	if (do_syslog(SYSLOG_ACTION_SIZE_UNREAD, NULL, 0, SYSLOG_FROM_FILE))
 		return POLLIN | POLLRDNORM;
 	return 0;
 }
diff --git a/fs/proc/root.c b/fs/proc/root.c
index b080b791d9e3..757c069f2a65 100644
--- a/fs/proc/root.c
+++ b/fs/proc/root.c
@@ -220,9 +220,3 @@ void pid_ns_release_proc(struct pid_namespace *ns)
 {
 	mntput(ns->proc_mnt);
 }
-
-EXPORT_SYMBOL(proc_symlink);
-EXPORT_SYMBOL(proc_mkdir);
-EXPORT_SYMBOL(create_proc_entry);
-EXPORT_SYMBOL(proc_create_data);
-EXPORT_SYMBOL(remove_proc_entry);
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index f277c4a111cb..183f8ff5f400 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -16,7 +16,7 @@
 
 void task_mem(struct seq_file *m, struct mm_struct *mm)
 {
-	unsigned long data, text, lib;
+	unsigned long data, text, lib, swap;
 	unsigned long hiwater_vm, total_vm, hiwater_rss, total_rss;
 
 	/*
@@ -36,6 +36,7 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
 	data = mm->total_vm - mm->shared_vm - mm->stack_vm;
 	text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK)) >> 10;
 	lib = (mm->exec_vm << (PAGE_SHIFT-10)) - text;
+	swap = get_mm_counter(mm, MM_SWAPENTS);
 	seq_printf(m,
 		"VmPeak:\t%8lu kB\n"
 		"VmSize:\t%8lu kB\n"
@@ -46,7 +47,8 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
 		"VmStk:\t%8lu kB\n"
 		"VmExe:\t%8lu kB\n"
 		"VmLib:\t%8lu kB\n"
-		"VmPTE:\t%8lu kB\n",
+		"VmPTE:\t%8lu kB\n"
+		"VmSwap:\t%8lu kB\n",
 		hiwater_vm << (PAGE_SHIFT-10),
 		(total_vm - mm->reserved_vm) << (PAGE_SHIFT-10),
 		mm->locked_vm << (PAGE_SHIFT-10),
@@ -54,7 +56,8 @@ void task_mem(struct seq_file *m, struct mm_struct *mm)
 		total_rss << (PAGE_SHIFT-10),
 		data << (PAGE_SHIFT-10),
 		mm->stack_vm << (PAGE_SHIFT-10), text, lib,
-		(PTRS_PER_PTE*sizeof(pte_t)*mm->nr_ptes) >> 10);
+		(PTRS_PER_PTE*sizeof(pte_t)*mm->nr_ptes) >> 10,
+		swap << (PAGE_SHIFT-10));
 }
 
 unsigned long task_vsize(struct mm_struct *mm)
@@ -65,11 +68,11 @@ unsigned long task_vsize(struct mm_struct *mm)
 int task_statm(struct mm_struct *mm, int *shared, int *text,
 	       int *data, int *resident)
 {
-	*shared = get_mm_counter(mm, file_rss);
+	*shared = get_mm_counter(mm, MM_FILEPAGES);
 	*text = (PAGE_ALIGN(mm->end_code) - (mm->start_code & PAGE_MASK))
 								>> PAGE_SHIFT;
 	*data = mm->total_vm - mm->shared_vm;
-	*resident = *shared + get_mm_counter(mm, anon_rss);
+	*resident = *shared + get_mm_counter(mm, MM_ANONPAGES);
 	return mm->total_vm;
 }
 
diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c
index ebf3440d28ca..277575ddc05c 100644
--- a/fs/qnx4/inode.c
+++ b/fs/qnx4/inode.c
@@ -201,7 +201,8 @@ static const char *qnx4_checkroot(struct super_block *sb)
 				rootdir = (struct qnx4_inode_entry *) (bh->b_data + i * QNX4_DIR_ENTRY_SIZE);
 				if (rootdir->di_fname != NULL) {
 					QNX4DEBUG((KERN_INFO "rootdir entry found : [%s]\n", rootdir->di_fname));
-					if (!strncmp(rootdir->di_fname, QNX4_BMNAME, sizeof QNX4_BMNAME)) {
+					if (!strcmp(rootdir->di_fname,
+						    QNX4_BMNAME)) {
 						found = 1;
 						qnx4_sb(sb)->BitMap = kmalloc( sizeof( struct qnx4_inode_entry ), GFP_KERNEL );
 						if (!qnx4_sb(sb)->BitMap) {
diff --git a/fs/quota/Kconfig b/fs/quota/Kconfig
index efc02ebb8c70..dad7fb247ddc 100644
--- a/fs/quota/Kconfig
+++ b/fs/quota/Kconfig
@@ -59,3 +59,8 @@ config QUOTACTL
 	bool
 	depends on XFS_QUOTA || QUOTA
 	default y
+
+config QUOTACTL_COMPAT
+	bool
+	depends on QUOTACTL && COMPAT_FOR_U64_ALIGNMENT
+	default y
diff --git a/fs/quota/Makefile b/fs/quota/Makefile
index 68d4f6dc0578..5f9e9e276af0 100644
--- a/fs/quota/Makefile
+++ b/fs/quota/Makefile
@@ -3,3 +3,5 @@ obj-$(CONFIG_QFMT_V1)		+= quota_v1.o
 obj-$(CONFIG_QFMT_V2)		+= quota_v2.o
 obj-$(CONFIG_QUOTA_TREE)	+= quota_tree.o
 obj-$(CONFIG_QUOTACTL)		+= quota.o
+obj-$(CONFIG_QUOTACTL_COMPAT)	+= compat.o
+obj-$(CONFIG_QUOTA_NETLINK_INTERFACE)	+= netlink.o
diff --git a/fs/quota/compat.c b/fs/quota/compat.c
new file mode 100644
index 000000000000..fb1892fe3e56
--- /dev/null
+++ b/fs/quota/compat.c
@@ -0,0 +1,118 @@
+
+#include <linux/syscalls.h>
+#include <linux/compat.h>
+#include <linux/quotaops.h>
+
+/*
+ * This code works only for 32 bit quota tools over 64 bit OS (x86_64, ia64)
+ * and is necessary due to alignment problems.
+ */
+struct compat_if_dqblk {
+	compat_u64 dqb_bhardlimit;
+	compat_u64 dqb_bsoftlimit;
+	compat_u64 dqb_curspace;
+	compat_u64 dqb_ihardlimit;
+	compat_u64 dqb_isoftlimit;
+	compat_u64 dqb_curinodes;
+	compat_u64 dqb_btime;
+	compat_u64 dqb_itime;
+	compat_uint_t dqb_valid;
+};
+
+/* XFS structures */
+struct compat_fs_qfilestat {
+	compat_u64 dqb_bhardlimit;
+	compat_u64 qfs_nblks;
+	compat_uint_t qfs_nextents;
+};
+
+struct compat_fs_quota_stat {
+	__s8		qs_version;
+	__u16		qs_flags;
+	__s8		qs_pad;
+	struct compat_fs_qfilestat	qs_uquota;
+	struct compat_fs_qfilestat	qs_gquota;
+	compat_uint_t	qs_incoredqs;
+	compat_int_t	qs_btimelimit;
+	compat_int_t	qs_itimelimit;
+	compat_int_t	qs_rtbtimelimit;
+	__u16		qs_bwarnlimit;
+	__u16		qs_iwarnlimit;
+};
+
+asmlinkage long sys32_quotactl(unsigned int cmd, const char __user *special,
+						qid_t id, void __user *addr)
+{
+	unsigned int cmds;
+	struct if_dqblk __user *dqblk;
+	struct compat_if_dqblk __user *compat_dqblk;
+	struct fs_quota_stat __user *fsqstat;
+	struct compat_fs_quota_stat __user *compat_fsqstat;
+	compat_uint_t data;
+	u16 xdata;
+	long ret;
+
+	cmds = cmd >> SUBCMDSHIFT;
+
+	switch (cmds) {
+	case Q_GETQUOTA:
+		dqblk = compat_alloc_user_space(sizeof(struct if_dqblk));
+		compat_dqblk = addr;
+		ret = sys_quotactl(cmd, special, id, dqblk);
+		if (ret)
+			break;
+		if (copy_in_user(compat_dqblk, dqblk, sizeof(*compat_dqblk)) ||
+			get_user(data, &dqblk->dqb_valid) ||
+			put_user(data, &compat_dqblk->dqb_valid))
+			ret = -EFAULT;
+		break;
+	case Q_SETQUOTA:
+		dqblk = compat_alloc_user_space(sizeof(struct if_dqblk));
+		compat_dqblk = addr;
+		ret = -EFAULT;
+		if (copy_in_user(dqblk, compat_dqblk, sizeof(*compat_dqblk)) ||
+			get_user(data, &compat_dqblk->dqb_valid) ||
+			put_user(data, &dqblk->dqb_valid))
+			break;
+		ret = sys_quotactl(cmd, special, id, dqblk);
+		break;
+	case Q_XGETQSTAT:
+		fsqstat = compat_alloc_user_space(sizeof(struct fs_quota_stat));
+		compat_fsqstat = addr;
+		ret = sys_quotactl(cmd, special, id, fsqstat);
+		if (ret)
+			break;
+		ret = -EFAULT;
+		/* Copying qs_version, qs_flags, qs_pad */
+		if (copy_in_user(compat_fsqstat, fsqstat,
+			offsetof(struct compat_fs_quota_stat, qs_uquota)))
+			break;
+		/* Copying qs_uquota */
+		if (copy_in_user(&compat_fsqstat->qs_uquota,
+			&fsqstat->qs_uquota,
+			sizeof(compat_fsqstat->qs_uquota)) ||
+			get_user(data, &fsqstat->qs_uquota.qfs_nextents) ||
+			put_user(data, &compat_fsqstat->qs_uquota.qfs_nextents))
+			break;
+		/* Copying qs_gquota */
+		if (copy_in_user(&compat_fsqstat->qs_gquota,
+			&fsqstat->qs_gquota,
+			sizeof(compat_fsqstat->qs_gquota)) ||
+			get_user(data, &fsqstat->qs_gquota.qfs_nextents) ||
+			put_user(data, &compat_fsqstat->qs_gquota.qfs_nextents))
+			break;
+		/* Copying the rest */
+		if (copy_in_user(&compat_fsqstat->qs_incoredqs,
+			&fsqstat->qs_incoredqs,
+			sizeof(struct compat_fs_quota_stat) -
+			offsetof(struct compat_fs_quota_stat, qs_incoredqs)) ||
+			get_user(xdata, &fsqstat->qs_iwarnlimit) ||
+			put_user(xdata, &compat_fsqstat->qs_iwarnlimit))
+			break;
+		ret = 0;
+		break;
+	default:
+		ret = sys_quotactl(cmd, special, id, addr);
+	}
+	return ret;
+}
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 3fc62b097bed..e0b870f4749f 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -100,9 +100,13 @@
  *
  * Any operation working on dquots via inode pointers must hold dqptr_sem.  If
  * operation is just reading pointers from inode (or not using them at all) the
- * read lock is enough. If pointers are altered function must hold write lock
- * (these locking rules also apply for S_NOQUOTA flag in the inode - note that
- * for altering the flag i_mutex is also needed).
+ * read lock is enough. If pointers are altered function must hold write lock.
+ * Special care needs to be taken about S_NOQUOTA inode flag (marking that
+ * inode is a quota file). Functions adding pointers from inode to dquots have
+ * to check this flag under dqptr_sem and then (if S_NOQUOTA is not set) they
+ * have to do all pointer modifications before dropping dqptr_sem. This makes
+ * sure they cannot race with quotaon which first sets S_NOQUOTA flag and
+ * then drops all pointers to dquots from an inode.
  *
  * Each dquot has its dq_lock mutex. Locked dquots might not be referenced
  * from inodes (dquot_alloc_space() and such don't check the dq_lock).
@@ -225,6 +229,9 @@ static struct hlist_head *dquot_hash;
 struct dqstats dqstats;
 EXPORT_SYMBOL(dqstats);
 
+static qsize_t inode_get_rsv_space(struct inode *inode);
+static void __dquot_initialize(struct inode *inode, int type);
+
 static inline unsigned int
 hashfn(const struct super_block *sb, unsigned int id, int type)
 {
@@ -564,7 +571,7 @@ out:
 }
 EXPORT_SYMBOL(dquot_scan_active);
 
-int vfs_quota_sync(struct super_block *sb, int type)
+int vfs_quota_sync(struct super_block *sb, int type, int wait)
 {
 	struct list_head *dirty;
 	struct dquot *dquot;
@@ -609,6 +616,33 @@ int vfs_quota_sync(struct super_block *sb, int type)
 	spin_unlock(&dq_list_lock);
 	mutex_unlock(&dqopt->dqonoff_mutex);
 
+	if (!wait || (sb_dqopt(sb)->flags & DQUOT_QUOTA_SYS_FILE))
+		return 0;
+
+	/* This is not very clever (and fast) but currently I don't know about
+	 * any other simple way of getting quota data to disk and we must get
+	 * them there for userspace to be visible... */
+	if (sb->s_op->sync_fs)
+		sb->s_op->sync_fs(sb, 1);
+	sync_blockdev(sb->s_bdev);
+
+	/*
+	 * Now when everything is written we can discard the pagecache so
+	 * that userspace sees the changes.
+	 */
+	mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);
+	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+		if (type != -1 && cnt != type)
+			continue;
+		if (!sb_has_quota_active(sb, cnt))
+			continue;
+		mutex_lock_nested(&sb_dqopt(sb)->files[cnt]->i_mutex,
+				  I_MUTEX_QUOTA);
+		truncate_inode_pages(&sb_dqopt(sb)->files[cnt]->i_data, 0);
+		mutex_unlock(&sb_dqopt(sb)->files[cnt]->i_mutex);
+	}
+	mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
+
 	return 0;
 }
 EXPORT_SYMBOL(vfs_quota_sync);
@@ -840,11 +874,14 @@ static int dqinit_needed(struct inode *inode, int type)
 static void add_dquot_ref(struct super_block *sb, int type)
 {
 	struct inode *inode, *old_inode = NULL;
+	int reserved = 0;
 
 	spin_lock(&inode_lock);
 	list_for_each_entry(inode, &sb->s_inodes, i_sb_list) {
 		if (inode->i_state & (I_FREEING|I_CLEAR|I_WILL_FREE|I_NEW))
 			continue;
+		if (unlikely(inode_get_rsv_space(inode) > 0))
+			reserved = 1;
 		if (!atomic_read(&inode->i_writecount))
 			continue;
 		if (!dqinit_needed(inode, type))
@@ -854,7 +891,7 @@ static void add_dquot_ref(struct super_block *sb, int type)
 		spin_unlock(&inode_lock);
 
 		iput(old_inode);
-		sb->dq_op->initialize(inode, type);
+		__dquot_initialize(inode, type);
 		/* We hold a reference to 'inode' so it couldn't have been
 		 * removed from s_inodes list while we dropped the inode_lock.
 		 * We cannot iput the inode now as we can be holding the last
@@ -865,6 +902,12 @@ static void add_dquot_ref(struct super_block *sb, int type)
 	}
 	spin_unlock(&inode_lock);
 	iput(old_inode);
+
+	if (reserved) {
+		printk(KERN_WARNING "VFS (%s): Writes happened before quota"
+			" was turned on thus quota information is probably "
+			"inconsistent. Please run quotacheck(8).\n", sb->s_id);
+	}
 }
 
 /*
@@ -978,10 +1021,12 @@ static inline void dquot_resv_space(struct dquot *dquot, qsize_t number)
 /*
  * Claim reserved quota space
  */
-static void dquot_claim_reserved_space(struct dquot *dquot,
-						qsize_t number)
+static void dquot_claim_reserved_space(struct dquot *dquot, qsize_t number)
 {
-	WARN_ON(dquot->dq_dqb.dqb_rsvspace < number);
+	if (dquot->dq_dqb.dqb_rsvspace < number) {
+		WARN_ON_ONCE(1);
+		number = dquot->dq_dqb.dqb_rsvspace;
+	}
 	dquot->dq_dqb.dqb_curspace += number;
 	dquot->dq_dqb.dqb_rsvspace -= number;
 }
@@ -989,7 +1034,12 @@ static void dquot_claim_reserved_space(struct dquot *dquot,
 static inline
 void dquot_free_reserved_space(struct dquot *dquot, qsize_t number)
 {
-	dquot->dq_dqb.dqb_rsvspace -= number;
+	if (dquot->dq_dqb.dqb_rsvspace >= number)
+		dquot->dq_dqb.dqb_rsvspace -= number;
+	else {
+		WARN_ON_ONCE(1);
+		dquot->dq_dqb.dqb_rsvspace = 0;
+	}
 }
 
 static void dquot_decr_inodes(struct dquot *dquot, qsize_t number)
@@ -1131,13 +1181,13 @@ static int check_idq(struct dquot *dquot, qsize_t inodes, char *warntype)
 	*warntype = QUOTA_NL_NOWARN;
 	if (!sb_has_quota_limits_enabled(dquot->dq_sb, dquot->dq_type) ||
 	    test_bit(DQ_FAKE_B, &dquot->dq_flags))
-		return QUOTA_OK;
+		return 0;
 
 	if (dquot->dq_dqb.dqb_ihardlimit &&
 	    newinodes > dquot->dq_dqb.dqb_ihardlimit &&
             !ignore_hardlimit(dquot)) {
 		*warntype = QUOTA_NL_IHARDWARN;
-		return NO_QUOTA;
+		return -EDQUOT;
 	}
 
 	if (dquot->dq_dqb.dqb_isoftlimit &&
@@ -1146,7 +1196,7 @@ static int check_idq(struct dquot *dquot, qsize_t inodes, char *warntype)
 	    get_seconds() >= dquot->dq_dqb.dqb_itime &&
             !ignore_hardlimit(dquot)) {
 		*warntype = QUOTA_NL_ISOFTLONGWARN;
-		return NO_QUOTA;
+		return -EDQUOT;
 	}
 
 	if (dquot->dq_dqb.dqb_isoftlimit &&
@@ -1157,7 +1207,7 @@ static int check_idq(struct dquot *dquot, qsize_t inodes, char *warntype)
 		    sb_dqopt(dquot->dq_sb)->info[dquot->dq_type].dqi_igrace;
 	}
 
-	return QUOTA_OK;
+	return 0;
 }
 
 /* needs dq_data_lock */
@@ -1169,7 +1219,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war
 	*warntype = QUOTA_NL_NOWARN;
 	if (!sb_has_quota_limits_enabled(sb, dquot->dq_type) ||
 	    test_bit(DQ_FAKE_B, &dquot->dq_flags))
-		return QUOTA_OK;
+		return 0;
 
 	tspace = dquot->dq_dqb.dqb_curspace + dquot->dq_dqb.dqb_rsvspace
 		+ space;
@@ -1179,7 +1229,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war
             !ignore_hardlimit(dquot)) {
 		if (!prealloc)
 			*warntype = QUOTA_NL_BHARDWARN;
-		return NO_QUOTA;
+		return -EDQUOT;
 	}
 
 	if (dquot->dq_dqb.dqb_bsoftlimit &&
@@ -1189,7 +1239,7 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war
             !ignore_hardlimit(dquot)) {
 		if (!prealloc)
 			*warntype = QUOTA_NL_BSOFTLONGWARN;
-		return NO_QUOTA;
+		return -EDQUOT;
 	}
 
 	if (dquot->dq_dqb.dqb_bsoftlimit &&
@@ -1205,10 +1255,10 @@ static int check_bdq(struct dquot *dquot, qsize_t space, int prealloc, char *war
 			 * We don't allow preallocation to exceed softlimit so exceeding will
 			 * be always printed
 			 */
-			return NO_QUOTA;
+			return -EDQUOT;
 	}
 
-	return QUOTA_OK;
+	return 0;
 }
 
 static int info_idq_free(struct dquot *dquot, qsize_t inodes)
@@ -1242,25 +1292,32 @@ static int info_bdq_free(struct dquot *dquot, qsize_t space)
 		return QUOTA_NL_BHARDBELOW;
 	return QUOTA_NL_NOWARN;
 }
+
 /*
- *	Initialize quota pointers in inode
- *	We do things in a bit complicated way but by that we avoid calling
- *	dqget() and thus filesystem callbacks under dqptr_sem.
+ * Initialize quota pointers in inode
+ *
+ * We do things in a bit complicated way but by that we avoid calling
+ * dqget() and thus filesystem callbacks under dqptr_sem.
+ *
+ * It is better to call this function outside of any transaction as it
+ * might need a lot of space in journal for dquot structure allocation.
  */
-int dquot_initialize(struct inode *inode, int type)
+static void __dquot_initialize(struct inode *inode, int type)
 {
 	unsigned int id = 0;
-	int cnt, ret = 0;
-	struct dquot *got[MAXQUOTAS] = { NULL, NULL };
+	int cnt;
+	struct dquot *got[MAXQUOTAS];
 	struct super_block *sb = inode->i_sb;
+	qsize_t rsv;
 
 	/* First test before acquiring mutex - solves deadlocks when we
          * re-enter the quota code and are already holding the mutex */
-	if (IS_NOQUOTA(inode))
-		return 0;
+	if (!sb_any_quota_active(inode->i_sb) || IS_NOQUOTA(inode))
+		return;
 
 	/* First get references to structures we might need. */
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+		got[cnt] = NULL;
 		if (type != -1 && cnt != type)
 			continue;
 		switch (cnt) {
@@ -1275,7 +1332,6 @@ int dquot_initialize(struct inode *inode, int type)
 	}
 
 	down_write(&sb_dqopt(sb)->dqptr_sem);
-	/* Having dqptr_sem we know NOQUOTA flags can't be altered... */
 	if (IS_NOQUOTA(inode))
 		goto out_err;
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
@@ -1287,20 +1343,31 @@ int dquot_initialize(struct inode *inode, int type)
 		if (!inode->i_dquot[cnt]) {
 			inode->i_dquot[cnt] = got[cnt];
 			got[cnt] = NULL;
+			/*
+			 * Make quota reservation system happy if someone
+			 * did a write before quota was turned on
+			 */
+			rsv = inode_get_rsv_space(inode);
+			if (unlikely(rsv))
+				dquot_resv_space(inode->i_dquot[cnt], rsv);
 		}
 	}
 out_err:
 	up_write(&sb_dqopt(sb)->dqptr_sem);
 	/* Drop unused references */
 	dqput_all(got);
-	return ret;
+}
+
+void dquot_initialize(struct inode *inode)
+{
+	__dquot_initialize(inode, -1);
 }
 EXPORT_SYMBOL(dquot_initialize);
 
 /*
  * 	Release all quotas referenced by inode
  */
-int dquot_drop(struct inode *inode)
+static void __dquot_drop(struct inode *inode)
 {
 	int cnt;
 	struct dquot *put[MAXQUOTAS];
@@ -1312,32 +1379,31 @@ int dquot_drop(struct inode *inode)
 	}
 	up_write(&sb_dqopt(inode->i_sb)->dqptr_sem);
 	dqput_all(put);
-	return 0;
 }
-EXPORT_SYMBOL(dquot_drop);
 
-/* Wrapper to remove references to quota structures from inode */
-void vfs_dq_drop(struct inode *inode)
-{
-	/* Here we can get arbitrary inode from clear_inode() so we have
-	 * to be careful. OTOH we don't need locking as quota operations
-	 * are allowed to change only at mount time */
-	if (!IS_NOQUOTA(inode) && inode->i_sb && inode->i_sb->dq_op
-	    && inode->i_sb->dq_op->drop) {
-		int cnt;
-		/* Test before calling to rule out calls from proc and such
-                 * where we are not allowed to block. Note that this is
-		 * actually reliable test even without the lock - the caller
-		 * must assure that nobody can come after the DQUOT_DROP and
-		 * add quota pointers back anyway */
-		for (cnt = 0; cnt < MAXQUOTAS; cnt++)
-			if (inode->i_dquot[cnt])
-				break;
-		if (cnt < MAXQUOTAS)
-			inode->i_sb->dq_op->drop(inode);
-	}
-}
-EXPORT_SYMBOL(vfs_dq_drop);
+void dquot_drop(struct inode *inode)
+{
+	int cnt;
+
+	if (IS_NOQUOTA(inode))
+		return;
+
+	/*
+	 * Test before calling to rule out calls from proc and such
+	 * where we are not allowed to block. Note that this is
+	 * actually reliable test even without the lock - the caller
+	 * must assure that nobody can come after the DQUOT_DROP and
+	 * add quota pointers back anyway.
+	 */
+	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+		if (inode->i_dquot[cnt])
+			break;
+	}
+
+	if (cnt < MAXQUOTAS)
+		__dquot_drop(inode);
+}
+EXPORT_SYMBOL(dquot_drop);
 
 /*
  * inode_reserved_space is managed internally by quota, and protected by
@@ -1351,28 +1417,30 @@ static qsize_t *inode_reserved_space(struct inode * inode)
 	return inode->i_sb->dq_op->get_reserved_space(inode);
 }
 
-static void inode_add_rsv_space(struct inode *inode, qsize_t number)
+void inode_add_rsv_space(struct inode *inode, qsize_t number)
 {
 	spin_lock(&inode->i_lock);
 	*inode_reserved_space(inode) += number;
 	spin_unlock(&inode->i_lock);
 }
+EXPORT_SYMBOL(inode_add_rsv_space);
 
-
-static void inode_claim_rsv_space(struct inode *inode, qsize_t number)
+void inode_claim_rsv_space(struct inode *inode, qsize_t number)
 {
 	spin_lock(&inode->i_lock);
 	*inode_reserved_space(inode) -= number;
 	__inode_add_bytes(inode, number);
 	spin_unlock(&inode->i_lock);
 }
+EXPORT_SYMBOL(inode_claim_rsv_space);
 
-static void inode_sub_rsv_space(struct inode *inode, qsize_t number)
+void inode_sub_rsv_space(struct inode *inode, qsize_t number)
 {
 	spin_lock(&inode->i_lock);
 	*inode_reserved_space(inode) -= number;
 	spin_unlock(&inode->i_lock);
 }
+EXPORT_SYMBOL(inode_sub_rsv_space);
 
 static qsize_t inode_get_rsv_space(struct inode *inode)
 {
@@ -1404,38 +1472,34 @@ static void inode_decr_space(struct inode *inode, qsize_t number, int reserve)
 }
 
 /*
- * Following four functions update i_blocks+i_bytes fields and
- * quota information (together with appropriate checks)
- * NOTE: We absolutely rely on the fact that caller dirties
- * the inode (usually macros in quotaops.h care about this) and
- * holds a handle for the current transaction so that dquot write and
- * inode write go into the same transaction.
+ * This functions updates i_blocks+i_bytes fields and quota information
+ * (together with appropriate checks).
+ *
+ * NOTE: We absolutely rely on the fact that caller dirties the inode
+ * (usually helpers in quotaops.h care about this) and holds a handle for
+ * the current transaction so that dquot write and inode write go into the
+ * same transaction.
  */
 
 /*
  * This operation can block, but only after everything is updated
  */
 int __dquot_alloc_space(struct inode *inode, qsize_t number,
-			int warn, int reserve)
+		int warn, int reserve)
 {
-	int cnt, ret = QUOTA_OK;
+	int cnt, ret = 0;
 	char warntype[MAXQUOTAS];
 
 	/*
 	 * First test before acquiring mutex - solves deadlocks when we
 	 * re-enter the quota code and are already holding the mutex
 	 */
-	if (IS_NOQUOTA(inode)) {
+	if (!sb_any_quota_active(inode->i_sb) || IS_NOQUOTA(inode)) {
 		inode_incr_space(inode, number, reserve);
 		goto out;
 	}
 
 	down_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
-	if (IS_NOQUOTA(inode)) {
-		inode_incr_space(inode, number, reserve);
-		goto out_unlock;
-	}
-
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++)
 		warntype[cnt] = QUOTA_NL_NOWARN;
 
@@ -1443,9 +1507,9 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number,
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
 		if (!inode->i_dquot[cnt])
 			continue;
-		if (check_bdq(inode->i_dquot[cnt], number, warn, warntype+cnt)
-		    == NO_QUOTA) {
-			ret = NO_QUOTA;
+		ret = check_bdq(inode->i_dquot[cnt], number, !warn,
+				warntype+cnt);
+		if (ret) {
 			spin_unlock(&dq_data_lock);
 			goto out_flush_warn;
 		}
@@ -1466,61 +1530,45 @@ int __dquot_alloc_space(struct inode *inode, qsize_t number,
 	mark_all_dquot_dirty(inode->i_dquot);
 out_flush_warn:
 	flush_warnings(inode->i_dquot, warntype);
-out_unlock:
 	up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
 out:
 	return ret;
 }
-
-int dquot_alloc_space(struct inode *inode, qsize_t number, int warn)
-{
-	return __dquot_alloc_space(inode, number, warn, 0);
-}
-EXPORT_SYMBOL(dquot_alloc_space);
-
-int dquot_reserve_space(struct inode *inode, qsize_t number, int warn)
-{
-	return __dquot_alloc_space(inode, number, warn, 1);
-}
-EXPORT_SYMBOL(dquot_reserve_space);
+EXPORT_SYMBOL(__dquot_alloc_space);
 
 /*
  * This operation can block, but only after everything is updated
  */
-int dquot_alloc_inode(const struct inode *inode, qsize_t number)
+int dquot_alloc_inode(const struct inode *inode)
 {
-	int cnt, ret = NO_QUOTA;
+	int cnt, ret = 0;
 	char warntype[MAXQUOTAS];
 
 	/* First test before acquiring mutex - solves deadlocks when we
          * re-enter the quota code and are already holding the mutex */
-	if (IS_NOQUOTA(inode))
-		return QUOTA_OK;
+	if (!sb_any_quota_active(inode->i_sb) || IS_NOQUOTA(inode))
+		return 0;
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++)
 		warntype[cnt] = QUOTA_NL_NOWARN;
 	down_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
-	if (IS_NOQUOTA(inode)) {
-		up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
-		return QUOTA_OK;
-	}
 	spin_lock(&dq_data_lock);
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
 		if (!inode->i_dquot[cnt])
 			continue;
-		if (check_idq(inode->i_dquot[cnt], number, warntype+cnt)
-		    == NO_QUOTA)
+		ret = check_idq(inode->i_dquot[cnt], 1, warntype + cnt);
+		if (ret)
 			goto warn_put_all;
 	}
 
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
 		if (!inode->i_dquot[cnt])
 			continue;
-		dquot_incr_inodes(inode->i_dquot[cnt], number);
+		dquot_incr_inodes(inode->i_dquot[cnt], 1);
 	}
-	ret = QUOTA_OK;
+
 warn_put_all:
 	spin_unlock(&dq_data_lock);
-	if (ret == QUOTA_OK)
+	if (ret == 0)
 		mark_all_dquot_dirty(inode->i_dquot);
 	flush_warnings(inode->i_dquot, warntype);
 	up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
@@ -1528,23 +1576,19 @@ warn_put_all:
 }
 EXPORT_SYMBOL(dquot_alloc_inode);
 
-int dquot_claim_space(struct inode *inode, qsize_t number)
+/*
+ * Convert in-memory reserved quotas to real consumed quotas
+ */
+int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 {
 	int cnt;
-	int ret = QUOTA_OK;
 
-	if (IS_NOQUOTA(inode)) {
+	if (!sb_any_quota_active(inode->i_sb) || IS_NOQUOTA(inode)) {
 		inode_claim_rsv_space(inode, number);
-		goto out;
+		return 0;
 	}
 
 	down_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
-	if (IS_NOQUOTA(inode))	{
-		up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
-		inode_claim_rsv_space(inode, number);
-		goto out;
-	}
-
 	spin_lock(&dq_data_lock);
 	/* Claim reserved quotas to allocated quotas */
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
@@ -1557,33 +1601,26 @@ int dquot_claim_space(struct inode *inode, qsize_t number)
 	spin_unlock(&dq_data_lock);
 	mark_all_dquot_dirty(inode->i_dquot);
 	up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
-out:
-	return ret;
+	return 0;
 }
-EXPORT_SYMBOL(dquot_claim_space);
+EXPORT_SYMBOL(dquot_claim_space_nodirty);
 
 /*
  * This operation can block, but only after everything is updated
  */
-int __dquot_free_space(struct inode *inode, qsize_t number, int reserve)
+void __dquot_free_space(struct inode *inode, qsize_t number, int reserve)
 {
 	unsigned int cnt;
 	char warntype[MAXQUOTAS];
 
 	/* First test before acquiring mutex - solves deadlocks when we
          * re-enter the quota code and are already holding the mutex */
-	if (IS_NOQUOTA(inode)) {
-out_sub:
+	if (!sb_any_quota_active(inode->i_sb) || IS_NOQUOTA(inode)) {
 		inode_decr_space(inode, number, reserve);
-		return QUOTA_OK;
+		return;
 	}
 
 	down_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
-	/* Now recheck reliably when holding dqptr_sem */
-	if (IS_NOQUOTA(inode)) {
-		up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
-		goto out_sub;
-	}
 	spin_lock(&dq_data_lock);
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
 		if (!inode->i_dquot[cnt])
@@ -1603,56 +1640,34 @@ out_sub:
 out_unlock:
 	flush_warnings(inode->i_dquot, warntype);
 	up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
-	return QUOTA_OK;
-}
-
-int dquot_free_space(struct inode *inode, qsize_t number)
-{
-	return  __dquot_free_space(inode, number, 0);
 }
-EXPORT_SYMBOL(dquot_free_space);
-
-/*
- * Release reserved quota space
- */
-void dquot_release_reserved_space(struct inode *inode, qsize_t number)
-{
-	__dquot_free_space(inode, number, 1);
-
-}
-EXPORT_SYMBOL(dquot_release_reserved_space);
+EXPORT_SYMBOL(__dquot_free_space);
 
 /*
  * This operation can block, but only after everything is updated
  */
-int dquot_free_inode(const struct inode *inode, qsize_t number)
+void dquot_free_inode(const struct inode *inode)
 {
 	unsigned int cnt;
 	char warntype[MAXQUOTAS];
 
 	/* First test before acquiring mutex - solves deadlocks when we
          * re-enter the quota code and are already holding the mutex */
-	if (IS_NOQUOTA(inode))
-		return QUOTA_OK;
+	if (!sb_any_quota_active(inode->i_sb) || IS_NOQUOTA(inode))
+		return;
 
 	down_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
-	/* Now recheck reliably when holding dqptr_sem */
-	if (IS_NOQUOTA(inode)) {
-		up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
-		return QUOTA_OK;
-	}
 	spin_lock(&dq_data_lock);
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
 		if (!inode->i_dquot[cnt])
 			continue;
-		warntype[cnt] = info_idq_free(inode->i_dquot[cnt], number);
-		dquot_decr_inodes(inode->i_dquot[cnt], number);
+		warntype[cnt] = info_idq_free(inode->i_dquot[cnt], 1);
+		dquot_decr_inodes(inode->i_dquot[cnt], 1);
 	}
 	spin_unlock(&dq_data_lock);
 	mark_all_dquot_dirty(inode->i_dquot);
 	flush_warnings(inode->i_dquot, warntype);
 	up_read(&sb_dqopt(inode->i_sb)->dqptr_sem);
-	return QUOTA_OK;
 }
 EXPORT_SYMBOL(dquot_free_inode);
 
@@ -1662,37 +1677,31 @@ EXPORT_SYMBOL(dquot_free_inode);
  * This operation can block, but only after everything is updated
  * A transaction must be started when entering this function.
  */
-int dquot_transfer(struct inode *inode, struct iattr *iattr)
+static int __dquot_transfer(struct inode *inode, qid_t *chid, unsigned long mask)
 {
 	qsize_t space, cur_space;
 	qsize_t rsv_space = 0;
 	struct dquot *transfer_from[MAXQUOTAS];
 	struct dquot *transfer_to[MAXQUOTAS];
-	int cnt, ret = QUOTA_OK;
-	int chuid = iattr->ia_valid & ATTR_UID && inode->i_uid != iattr->ia_uid,
-	    chgid = iattr->ia_valid & ATTR_GID && inode->i_gid != iattr->ia_gid;
+	int cnt, ret = 0;
 	char warntype_to[MAXQUOTAS];
 	char warntype_from_inodes[MAXQUOTAS], warntype_from_space[MAXQUOTAS];
 
 	/* First test before acquiring mutex - solves deadlocks when we
          * re-enter the quota code and are already holding the mutex */
 	if (IS_NOQUOTA(inode))
-		return QUOTA_OK;
+		return 0;
 	/* Initialize the arrays */
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
 		transfer_from[cnt] = NULL;
 		transfer_to[cnt] = NULL;
 		warntype_to[cnt] = QUOTA_NL_NOWARN;
 	}
-	if (chuid)
-		transfer_to[USRQUOTA] = dqget(inode->i_sb, iattr->ia_uid,
-					      USRQUOTA);
-	if (chgid)
-		transfer_to[GRPQUOTA] = dqget(inode->i_sb, iattr->ia_gid,
-					      GRPQUOTA);
-
+	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
+		if (mask & (1 << cnt))
+			transfer_to[cnt] = dqget(inode->i_sb, chid[cnt], cnt);
+	}
 	down_write(&sb_dqopt(inode->i_sb)->dqptr_sem);
-	/* Now recheck reliably when holding dqptr_sem */
 	if (IS_NOQUOTA(inode)) {	/* File without quota accounting? */
 		up_write(&sb_dqopt(inode->i_sb)->dqptr_sem);
 		goto put_all;
@@ -1706,9 +1715,11 @@ int dquot_transfer(struct inode *inode, struct iattr *iattr)
 		if (!transfer_to[cnt])
 			continue;
 		transfer_from[cnt] = inode->i_dquot[cnt];
-		if (check_idq(transfer_to[cnt], 1, warntype_to + cnt) ==
-		    NO_QUOTA || check_bdq(transfer_to[cnt], space, 0,
-		    warntype_to + cnt) == NO_QUOTA)
+		ret = check_idq(transfer_to[cnt], 1, warntype_to + cnt);
+		if (ret)
+			goto over_quota;
+		ret = check_bdq(transfer_to[cnt], space, 0, warntype_to + cnt);
+		if (ret)
 			goto over_quota;
 	}
 
@@ -1762,22 +1773,32 @@ over_quota:
 	/* Clear dquot pointers we don't want to dqput() */
 	for (cnt = 0; cnt < MAXQUOTAS; cnt++)
 		transfer_from[cnt] = NULL;
-	ret = NO_QUOTA;
 	goto warn_put_all;
 }
-EXPORT_SYMBOL(dquot_transfer);
 
-/* Wrapper for transferring ownership of an inode */
-int vfs_dq_transfer(struct inode *inode, struct iattr *iattr)
+/* Wrapper for transferring ownership of an inode for uid/gid only
+ * Called from FSXXX_setattr()
+ */
+int dquot_transfer(struct inode *inode, struct iattr *iattr)
 {
+	qid_t chid[MAXQUOTAS];
+	unsigned long mask = 0;
+
+	if (iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) {
+		mask |= 1 << USRQUOTA;
+		chid[USRQUOTA] = iattr->ia_uid;
+	}
+	if (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid) {
+		mask |= 1 << GRPQUOTA;
+		chid[GRPQUOTA] = iattr->ia_gid;
+	}
 	if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode)) {
-		vfs_dq_init(inode);
-		if (inode->i_sb->dq_op->transfer(inode, iattr) == NO_QUOTA)
-			return 1;
+		dquot_initialize(inode);
+		return __dquot_transfer(inode, chid, mask);
 	}
 	return 0;
 }
-EXPORT_SYMBOL(vfs_dq_transfer);
+EXPORT_SYMBOL(dquot_transfer);
 
 /*
  * Write info of quota file to disk
@@ -1798,13 +1819,6 @@ EXPORT_SYMBOL(dquot_commit_info);
  * Definitions of diskquota operations.
  */
 const struct dquot_operations dquot_operations = {
-	.initialize	= dquot_initialize,
-	.drop		= dquot_drop,
-	.alloc_space	= dquot_alloc_space,
-	.alloc_inode	= dquot_alloc_inode,
-	.free_space	= dquot_free_space,
-	.free_inode	= dquot_free_inode,
-	.transfer	= dquot_transfer,
 	.write_dquot	= dquot_commit,
 	.acquire_dquot	= dquot_acquire,
 	.release_dquot	= dquot_release,
@@ -1815,6 +1829,20 @@ const struct dquot_operations dquot_operations = {
 };
 
 /*
+ * Generic helper for ->open on filesystems supporting disk quotas.
+ */
+int dquot_file_open(struct inode *inode, struct file *file)
+{
+	int error;
+
+	error = generic_file_open(inode, file);
+	if (!error && (file->f_mode & FMODE_WRITE))
+		dquot_initialize(inode);
+	return error;
+}
+EXPORT_SYMBOL(dquot_file_open);
+
+/*
  * Turn quota off on a device. type == -1 ==> quotaoff for all types (umount)
  */
 int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags)
@@ -1993,11 +2021,13 @@ static int vfs_load_quota_inode(struct inode *inode, int type, int format_id,
 	}
 
 	if (!(dqopt->flags & DQUOT_QUOTA_SYS_FILE)) {
-		/* As we bypass the pagecache we must now flush the inode so
-		 * that we see all the changes from userspace... */
-		write_inode_now(inode, 1);
-		/* And now flush the block cache so that kernel sees the
-		 * changes */
+		/* As we bypass the pagecache we must now flush all the
+		 * dirty data and invalidate caches so that kernel sees
+		 * changes from userspace. It is not enough to just flush
+		 * the quota file since if blocksize < pagesize, invalidation
+		 * of the cache could fail because of other unrelated dirty
+		 * data */
+		sync_filesystem(sb);
 		invalidate_bdev(sb->s_bdev);
 	}
 	mutex_lock(&dqopt->dqonoff_mutex);
@@ -2010,14 +2040,16 @@ static int vfs_load_quota_inode(struct inode *inode, int type, int format_id,
 		/* We don't want quota and atime on quota files (deadlocks
 		 * possible) Also nobody should write to the file - we use
 		 * special IO operations which ignore the immutable bit. */
-		down_write(&dqopt->dqptr_sem);
 		mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA);
 		oldflags = inode->i_flags & (S_NOATIME | S_IMMUTABLE |
 					     S_NOQUOTA);
 		inode->i_flags |= S_NOQUOTA | S_NOATIME | S_IMMUTABLE;
 		mutex_unlock(&inode->i_mutex);
-		up_write(&dqopt->dqptr_sem);
-		sb->dq_op->drop(inode);
+		/*
+		 * When S_NOQUOTA is set, remove dquot references as no more
+		 * references can be added
+		 */
+		__dquot_drop(inode);
 	}
 
 	error = -EIO;
@@ -2053,14 +2085,12 @@ out_file_init:
 	iput(inode);
 out_lock:
 	if (oldflags != -1) {
-		down_write(&dqopt->dqptr_sem);
 		mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA);
 		/* Set the flags back (in the case of accidental quotaon()
 		 * on a wrong file we don't want to mess up the flags) */
 		inode->i_flags &= ~(S_NOATIME | S_NOQUOTA | S_IMMUTABLE);
 		inode->i_flags |= oldflags;
 		mutex_unlock(&inode->i_mutex);
-		up_write(&dqopt->dqptr_sem);
 	}
 	mutex_unlock(&dqopt->dqonoff_mutex);
 out_fmt:
diff --git a/fs/quota/netlink.c b/fs/quota/netlink.c
new file mode 100644
index 000000000000..2663ed90fb03
--- /dev/null
+++ b/fs/quota/netlink.c
@@ -0,0 +1,95 @@
+
+#include <linux/cred.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/quotaops.h>
+#include <linux/sched.h>
+#include <net/netlink.h>
+#include <net/genetlink.h>
+
+/* Netlink family structure for quota */
+static struct genl_family quota_genl_family = {
+	.id = GENL_ID_GENERATE,
+	.hdrsize = 0,
+	.name = "VFS_DQUOT",
+	.version = 1,
+	.maxattr = QUOTA_NL_A_MAX,
+};
+
+/**
+ * quota_send_warning - Send warning to userspace about exceeded quota
+ * @type: The quota type: USRQQUOTA, GRPQUOTA,...
+ * @id: The user or group id of the quota that was exceeded
+ * @dev: The device on which the fs is mounted (sb->s_dev)
+ * @warntype: The type of the warning: QUOTA_NL_...
+ *
+ * This can be used by filesystems (including those which don't use
+ * dquot) to send a message to userspace relating to quota limits.
+ *
+ */
+
+void quota_send_warning(short type, unsigned int id, dev_t dev,
+			const char warntype)
+{
+	static atomic_t seq;
+	struct sk_buff *skb;
+	void *msg_head;
+	int ret;
+	int msg_size = 4 * nla_total_size(sizeof(u32)) +
+		       2 * nla_total_size(sizeof(u64));
+
+	/* We have to allocate using GFP_NOFS as we are called from a
+	 * filesystem performing write and thus further recursion into
+	 * the fs to free some data could cause deadlocks. */
+	skb = genlmsg_new(msg_size, GFP_NOFS);
+	if (!skb) {
+		printk(KERN_ERR
+		  "VFS: Not enough memory to send quota warning.\n");
+		return;
+	}
+	msg_head = genlmsg_put(skb, 0, atomic_add_return(1, &seq),
+			&quota_genl_family, 0, QUOTA_NL_C_WARNING);
+	if (!msg_head) {
+		printk(KERN_ERR
+		  "VFS: Cannot store netlink header in quota warning.\n");
+		goto err_out;
+	}
+	ret = nla_put_u32(skb, QUOTA_NL_A_QTYPE, type);
+	if (ret)
+		goto attr_err_out;
+	ret = nla_put_u64(skb, QUOTA_NL_A_EXCESS_ID, id);
+	if (ret)
+		goto attr_err_out;
+	ret = nla_put_u32(skb, QUOTA_NL_A_WARNING, warntype);
+	if (ret)
+		goto attr_err_out;
+	ret = nla_put_u32(skb, QUOTA_NL_A_DEV_MAJOR, MAJOR(dev));
+	if (ret)
+		goto attr_err_out;
+	ret = nla_put_u32(skb, QUOTA_NL_A_DEV_MINOR, MINOR(dev));
+	if (ret)
+		goto attr_err_out;
+	ret = nla_put_u64(skb, QUOTA_NL_A_CAUSED_ID, current_uid());
+	if (ret)
+		goto attr_err_out;
+	genlmsg_end(skb, msg_head);
+
+	genlmsg_multicast(skb, 0, quota_genl_family.id, GFP_NOFS);
+	return;
+attr_err_out:
+	printk(KERN_ERR "VFS: Not enough space to compose quota message!\n");
+err_out:
+	kfree_skb(skb);
+}
+EXPORT_SYMBOL(quota_send_warning);
+
+static int __init quota_init(void)
+{
+	if (genl_register_family(&quota_genl_family) != 0)
+		printk(KERN_ERR
+		       "VFS: Failed to create quota netlink interface.\n");
+	return 0;
+};
+
+module_init(quota_init);
diff --git a/fs/quota/quota.c b/fs/quota/quota.c
index ee91e2756950..95388f9b7356 100644
--- a/fs/quota/quota.c
+++ b/fs/quota/quota.c
@@ -10,7 +10,6 @@
 #include <linux/slab.h>
 #include <asm/current.h>
 #include <asm/uaccess.h>
-#include <linux/compat.h>
 #include <linux/kernel.h>
 #include <linux/security.h>
 #include <linux/syscalls.h>
@@ -18,220 +17,205 @@
 #include <linux/capability.h>
 #include <linux/quotaops.h>
 #include <linux/types.h>
-#include <net/netlink.h>
-#include <net/genetlink.h>
+#include <linux/writeback.h>
 
-/* Check validity of generic quotactl commands */
-static int generic_quotactl_valid(struct super_block *sb, int type, int cmd,
-				  qid_t id)
+static int check_quotactl_permission(struct super_block *sb, int type, int cmd,
+				     qid_t id)
 {
-	if (type >= MAXQUOTAS)
-		return -EINVAL;
-	if (!sb && cmd != Q_SYNC)
-		return -ENODEV;
-	/* Is operation supported? */
-	if (sb && !sb->s_qcop)
-		return -ENOSYS;
-
 	switch (cmd) {
-		case Q_GETFMT:
-			break;
-		case Q_QUOTAON:
-			if (!sb->s_qcop->quota_on)
-				return -ENOSYS;
-			break;
-		case Q_QUOTAOFF:
-			if (!sb->s_qcop->quota_off)
-				return -ENOSYS;
-			break;
-		case Q_SETINFO:
-			if (!sb->s_qcop->set_info)
-				return -ENOSYS;
-			break;
-		case Q_GETINFO:
-			if (!sb->s_qcop->get_info)
-				return -ENOSYS;
-			break;
-		case Q_SETQUOTA:
-			if (!sb->s_qcop->set_dqblk)
-				return -ENOSYS;
-			break;
-		case Q_GETQUOTA:
-			if (!sb->s_qcop->get_dqblk)
-				return -ENOSYS;
-			break;
-		case Q_SYNC:
-			if (sb && !sb->s_qcop->quota_sync)
-				return -ENOSYS;
+	/* these commands do not require any special privilegues */
+	case Q_GETFMT:
+	case Q_SYNC:
+	case Q_GETINFO:
+	case Q_XGETQSTAT:
+	case Q_XQUOTASYNC:
+		break;
+	/* allow to query information for dquots we "own" */
+	case Q_GETQUOTA:
+	case Q_XGETQUOTA:
+		if ((type == USRQUOTA && current_euid() == id) ||
+		    (type == GRPQUOTA && in_egroup_p(id)))
 			break;
-		default:
-			return -EINVAL;
+		/*FALLTHROUGH*/
+	default:
+		if (!capable(CAP_SYS_ADMIN))
+			return -EPERM;
 	}
 
-	/* Is quota turned on for commands which need it? */
-	switch (cmd) {
-		case Q_GETFMT:
-		case Q_GETINFO:
-		case Q_SETINFO:
-		case Q_SETQUOTA:
-		case Q_GETQUOTA:
-			/* This is just an informative test so we are satisfied
-			 * without the lock */
-			if (!sb_has_quota_active(sb, type))
-				return -ESRCH;
-	}
+	return security_quotactl(cmd, type, id, sb);
+}
 
-	/* Check privileges */
-	if (cmd == Q_GETQUOTA) {
-		if (((type == USRQUOTA && current_euid() != id) ||
-		     (type == GRPQUOTA && !in_egroup_p(id))) &&
-		    !capable(CAP_SYS_ADMIN))
-			return -EPERM;
+static int quota_sync_all(int type)
+{
+	struct super_block *sb;
+	int ret;
+
+	if (type >= MAXQUOTAS)
+		return -EINVAL;
+	ret = security_quotactl(Q_SYNC, type, 0, NULL);
+	if (ret)
+		return ret;
+
+	spin_lock(&sb_lock);
+restart:
+	list_for_each_entry(sb, &super_blocks, s_list) {
+		if (!sb->s_qcop || !sb->s_qcop->quota_sync)
+			continue;
+
+		sb->s_count++;
+		spin_unlock(&sb_lock);
+		down_read(&sb->s_umount);
+		if (sb->s_root)
+			sb->s_qcop->quota_sync(sb, type, 1);
+		up_read(&sb->s_umount);
+		spin_lock(&sb_lock);
+		if (__put_super_and_need_restart(sb))
+			goto restart;
 	}
-	else if (cmd != Q_GETFMT && cmd != Q_SYNC && cmd != Q_GETINFO)
-		if (!capable(CAP_SYS_ADMIN))
-			return -EPERM;
+	spin_unlock(&sb_lock);
 
 	return 0;
 }
 
-/* Check validity of XFS Quota Manager commands */
-static int xqm_quotactl_valid(struct super_block *sb, int type, int cmd,
-			      qid_t id)
+static int quota_quotaon(struct super_block *sb, int type, int cmd, qid_t id,
+		         void __user *addr)
 {
-	if (type >= XQM_MAXQUOTAS)
-		return -EINVAL;
-	if (!sb)
-		return -ENODEV;
-	if (!sb->s_qcop)
-		return -ENOSYS;
+	char *pathname;
+	int ret = -ENOSYS;
+
+	pathname = getname(addr);
+	if (IS_ERR(pathname))
+		return PTR_ERR(pathname);
+	if (sb->s_qcop->quota_on)
+		ret = sb->s_qcop->quota_on(sb, type, id, pathname, 0);
+	putname(pathname);
+	return ret;
+}
 
-	switch (cmd) {
-		case Q_XQUOTAON:
-		case Q_XQUOTAOFF:
-		case Q_XQUOTARM:
-			if (!sb->s_qcop->set_xstate)
-				return -ENOSYS;
-			break;
-		case Q_XGETQSTAT:
-			if (!sb->s_qcop->get_xstate)
-				return -ENOSYS;
-			break;
-		case Q_XSETQLIM:
-			if (!sb->s_qcop->set_xquota)
-				return -ENOSYS;
-			break;
-		case Q_XGETQUOTA:
-			if (!sb->s_qcop->get_xquota)
-				return -ENOSYS;
-			break;
-		case Q_XQUOTASYNC:
-			if (!sb->s_qcop->quota_sync)
-				return -ENOSYS;
-			break;
-		default:
-			return -EINVAL;
-	}
+static int quota_getfmt(struct super_block *sb, int type, void __user *addr)
+{
+	__u32 fmt;
 
-	/* Check privileges */
-	if (cmd == Q_XGETQUOTA) {
-		if (((type == XQM_USRQUOTA && current_euid() != id) ||
-		     (type == XQM_GRPQUOTA && !in_egroup_p(id))) &&
-		     !capable(CAP_SYS_ADMIN))
-			return -EPERM;
-	} else if (cmd != Q_XGETQSTAT && cmd != Q_XQUOTASYNC) {
-		if (!capable(CAP_SYS_ADMIN))
-			return -EPERM;
+	down_read(&sb_dqopt(sb)->dqptr_sem);
+	if (!sb_has_quota_active(sb, type)) {
+		up_read(&sb_dqopt(sb)->dqptr_sem);
+		return -ESRCH;
 	}
+	fmt = sb_dqopt(sb)->info[type].dqi_format->qf_fmt_id;
+	up_read(&sb_dqopt(sb)->dqptr_sem);
+	if (copy_to_user(addr, &fmt, sizeof(fmt)))
+		return -EFAULT;
+	return 0;
+}
 
+static int quota_getinfo(struct super_block *sb, int type, void __user *addr)
+{
+	struct if_dqinfo info;
+	int ret;
+
+	if (!sb_has_quota_active(sb, type))
+		return -ESRCH;
+	if (!sb->s_qcop->get_info)
+		return -ENOSYS;
+	ret = sb->s_qcop->get_info(sb, type, &info);
+	if (!ret && copy_to_user(addr, &info, sizeof(info)))
+		return -EFAULT;
+	return ret;
+}
+
+static int quota_setinfo(struct super_block *sb, int type, void __user *addr)
+{
+	struct if_dqinfo info;
+
+	if (copy_from_user(&info, addr, sizeof(info)))
+		return -EFAULT;
+	if (!sb_has_quota_active(sb, type))
+		return -ESRCH;
+	if (!sb->s_qcop->set_info)
+		return -ENOSYS;
+	return sb->s_qcop->set_info(sb, type, &info);
+}
+
+static int quota_getquota(struct super_block *sb, int type, qid_t id,
+			  void __user *addr)
+{
+	struct if_dqblk idq;
+	int ret;
+
+	if (!sb_has_quota_active(sb, type))
+		return -ESRCH;
+	if (!sb->s_qcop->get_dqblk)
+		return -ENOSYS;
+	ret = sb->s_qcop->get_dqblk(sb, type, id, &idq);
+	if (ret)
+		return ret;
+	if (copy_to_user(addr, &idq, sizeof(idq)))
+		return -EFAULT;
 	return 0;
 }
 
-static int check_quotactl_valid(struct super_block *sb, int type, int cmd,
-				qid_t id)
+static int quota_setquota(struct super_block *sb, int type, qid_t id,
+			  void __user *addr)
 {
-	int error;
-
-	if (XQM_COMMAND(cmd))
-		error = xqm_quotactl_valid(sb, type, cmd, id);
-	else
-		error = generic_quotactl_valid(sb, type, cmd, id);
-	if (!error)
-		error = security_quotactl(cmd, type, id, sb);
-	return error;
+	struct if_dqblk idq;
+
+	if (copy_from_user(&idq, addr, sizeof(idq)))
+		return -EFAULT;
+	if (!sb_has_quota_active(sb, type))
+		return -ESRCH;
+	if (!sb->s_qcop->set_dqblk)
+		return -ENOSYS;
+	return sb->s_qcop->set_dqblk(sb, type, id, &idq);
 }
 
-#ifdef CONFIG_QUOTA
-void sync_quota_sb(struct super_block *sb, int type)
+static int quota_setxstate(struct super_block *sb, int cmd, void __user *addr)
 {
-	int cnt;
+	__u32 flags;
 
-	if (!sb->s_qcop->quota_sync)
-		return;
+	if (copy_from_user(&flags, addr, sizeof(flags)))
+		return -EFAULT;
+	if (!sb->s_qcop->set_xstate)
+		return -ENOSYS;
+	return sb->s_qcop->set_xstate(sb, flags, cmd);
+}
 
-	sb->s_qcop->quota_sync(sb, type);
+static int quota_getxstate(struct super_block *sb, void __user *addr)
+{
+	struct fs_quota_stat fqs;
+	int ret;
 
-	if (sb_dqopt(sb)->flags & DQUOT_QUOTA_SYS_FILE)
-		return;
-	/* This is not very clever (and fast) but currently I don't know about
-	 * any other simple way of getting quota data to disk and we must get
-	 * them there for userspace to be visible... */
-	if (sb->s_op->sync_fs)
-		sb->s_op->sync_fs(sb, 1);
-	sync_blockdev(sb->s_bdev);
+	if (!sb->s_qcop->get_xstate)
+		return -ENOSYS;
+	ret = sb->s_qcop->get_xstate(sb, &fqs);
+	if (!ret && copy_to_user(addr, &fqs, sizeof(fqs)))
+		return -EFAULT;
+	return ret;
+}
 
-	/*
-	 * Now when everything is written we can discard the pagecache so
-	 * that userspace sees the changes.
-	 */
-	mutex_lock(&sb_dqopt(sb)->dqonoff_mutex);
-	for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
-		if (type != -1 && cnt != type)
-			continue;
-		if (!sb_has_quota_active(sb, cnt))
-			continue;
-		mutex_lock_nested(&sb_dqopt(sb)->files[cnt]->i_mutex,
-				  I_MUTEX_QUOTA);
-		truncate_inode_pages(&sb_dqopt(sb)->files[cnt]->i_data, 0);
-		mutex_unlock(&sb_dqopt(sb)->files[cnt]->i_mutex);
-	}
-	mutex_unlock(&sb_dqopt(sb)->dqonoff_mutex);
+static int quota_setxquota(struct super_block *sb, int type, qid_t id,
+			   void __user *addr)
+{
+	struct fs_disk_quota fdq;
+
+	if (copy_from_user(&fdq, addr, sizeof(fdq)))
+		return -EFAULT;
+	if (!sb->s_qcop->set_xquota)
+		return -ENOSYS;
+	return sb->s_qcop->set_xquota(sb, type, id, &fdq);
 }
-#endif
 
-static void sync_dquots(int type)
+static int quota_getxquota(struct super_block *sb, int type, qid_t id,
+			   void __user *addr)
 {
-	struct super_block *sb;
-	int cnt;
+	struct fs_disk_quota fdq;
+	int ret;
 
-	spin_lock(&sb_lock);
-restart:
-	list_for_each_entry(sb, &super_blocks, s_list) {
-		/* This test just improves performance so it needn't be
-		 * reliable... */
-		for (cnt = 0; cnt < MAXQUOTAS; cnt++) {
-			if (type != -1 && type != cnt)
-				continue;
-			if (!sb_has_quota_active(sb, cnt))
-				continue;
-			if (!info_dirty(&sb_dqopt(sb)->info[cnt]) &&
-			   list_empty(&sb_dqopt(sb)->info[cnt].dqi_dirty_list))
-				continue;
-			break;
-		}
-		if (cnt == MAXQUOTAS)
-			continue;
-		sb->s_count++;
-		spin_unlock(&sb_lock);
-		down_read(&sb->s_umount);
-		if (sb->s_root)
-			sync_quota_sb(sb, type);
-		up_read(&sb->s_umount);
-		spin_lock(&sb_lock);
-		if (__put_super_and_need_restart(sb))
-			goto restart;
-	}
-	spin_unlock(&sb_lock);
+	if (!sb->s_qcop->get_xquota)
+		return -ENOSYS;
+	ret = sb->s_qcop->get_xquota(sb, type, id, &fdq);
+	if (!ret && copy_to_user(addr, &fdq, sizeof(fdq)))
+		return -EFAULT;
+	return ret;
 }
 
 /* Copy parameters and call proper function */
@@ -240,117 +224,55 @@ static int do_quotactl(struct super_block *sb, int type, int cmd, qid_t id,
 {
 	int ret;
 
+	if (type >= (XQM_COMMAND(cmd) ? XQM_MAXQUOTAS : MAXQUOTAS))
+		return -EINVAL;
+	if (!sb->s_qcop)
+		return -ENOSYS;
+
+	ret = check_quotactl_permission(sb, type, cmd, id);
+	if (ret < 0)
+		return ret;
+
 	switch (cmd) {
-		case Q_QUOTAON: {
-			char *pathname;
-
-			pathname = getname(addr);
-			if (IS_ERR(pathname))
-				return PTR_ERR(pathname);
-			ret = sb->s_qcop->quota_on(sb, type, id, pathname, 0);
-			putname(pathname);
-			return ret;
-		}
-		case Q_QUOTAOFF:
-			return sb->s_qcop->quota_off(sb, type, 0);
-
-		case Q_GETFMT: {
-			__u32 fmt;
-
-			down_read(&sb_dqopt(sb)->dqptr_sem);
-			if (!sb_has_quota_active(sb, type)) {
-				up_read(&sb_dqopt(sb)->dqptr_sem);
-				return -ESRCH;
-			}
-			fmt = sb_dqopt(sb)->info[type].dqi_format->qf_fmt_id;
-			up_read(&sb_dqopt(sb)->dqptr_sem);
-			if (copy_to_user(addr, &fmt, sizeof(fmt)))
-				return -EFAULT;
-			return 0;
-		}
-		case Q_GETINFO: {
-			struct if_dqinfo info;
-
-			ret = sb->s_qcop->get_info(sb, type, &info);
-			if (ret)
-				return ret;
-			if (copy_to_user(addr, &info, sizeof(info)))
-				return -EFAULT;
-			return 0;
-		}
-		case Q_SETINFO: {
-			struct if_dqinfo info;
-
-			if (copy_from_user(&info, addr, sizeof(info)))
-				return -EFAULT;
-			return sb->s_qcop->set_info(sb, type, &info);
-		}
-		case Q_GETQUOTA: {
-			struct if_dqblk idq;
-
-			ret = sb->s_qcop->get_dqblk(sb, type, id, &idq);
-			if (ret)
-				return ret;
-			if (copy_to_user(addr, &idq, sizeof(idq)))
-				return -EFAULT;
-			return 0;
-		}
-		case Q_SETQUOTA: {
-			struct if_dqblk idq;
-
-			if (copy_from_user(&idq, addr, sizeof(idq)))
-				return -EFAULT;
-			return sb->s_qcop->set_dqblk(sb, type, id, &idq);
-		}
-		case Q_SYNC:
-			if (sb)
-				sync_quota_sb(sb, type);
-			else
-				sync_dquots(type);
-			return 0;
-
-		case Q_XQUOTAON:
-		case Q_XQUOTAOFF:
-		case Q_XQUOTARM: {
-			__u32 flags;
-
-			if (copy_from_user(&flags, addr, sizeof(flags)))
-				return -EFAULT;
-			return sb->s_qcop->set_xstate(sb, flags, cmd);
-		}
-		case Q_XGETQSTAT: {
-			struct fs_quota_stat fqs;
-		
-			if ((ret = sb->s_qcop->get_xstate(sb, &fqs)))
-				return ret;
-			if (copy_to_user(addr, &fqs, sizeof(fqs)))
-				return -EFAULT;
-			return 0;
-		}
-		case Q_XSETQLIM: {
-			struct fs_disk_quota fdq;
-
-			if (copy_from_user(&fdq, addr, sizeof(fdq)))
-				return -EFAULT;
-		       return sb->s_qcop->set_xquota(sb, type, id, &fdq);
-		}
-		case Q_XGETQUOTA: {
-			struct fs_disk_quota fdq;
-
-			ret = sb->s_qcop->get_xquota(sb, type, id, &fdq);
-			if (ret)
-				return ret;
-			if (copy_to_user(addr, &fdq, sizeof(fdq)))
-				return -EFAULT;
-			return 0;
-		}
-		case Q_XQUOTASYNC:
-			return sb->s_qcop->quota_sync(sb, type);
-		/* We never reach here unless validity check is broken */
-		default:
-			BUG();
+	case Q_QUOTAON:
+		return quota_quotaon(sb, type, cmd, id, addr);
+	case Q_QUOTAOFF:
+		if (!sb->s_qcop->quota_off)
+			return -ENOSYS;
+		return sb->s_qcop->quota_off(sb, type, 0);
+	case Q_GETFMT:
+		return quota_getfmt(sb, type, addr);
+	case Q_GETINFO:
+		return quota_getinfo(sb, type, addr);
+	case Q_SETINFO:
+		return quota_setinfo(sb, type, addr);
+	case Q_GETQUOTA:
+		return quota_getquota(sb, type, id, addr);
+	case Q_SETQUOTA:
+		return quota_setquota(sb, type, id, addr);
+	case Q_SYNC:
+		if (!sb->s_qcop->quota_sync)
+			return -ENOSYS;
+		return sb->s_qcop->quota_sync(sb, type, 1);
+	case Q_XQUOTAON:
+	case Q_XQUOTAOFF:
+	case Q_XQUOTARM:
+		return quota_setxstate(sb, cmd, addr);
+	case Q_XGETQSTAT:
+		return quota_getxstate(sb, addr);
+	case Q_XSETQLIM:
+		return quota_setxquota(sb, type, id, addr);
+	case Q_XGETQUOTA:
+		return quota_getxquota(sb, type, id, addr);
+	case Q_XQUOTASYNC:
+		/* caller already holds s_umount */
+		if (sb->s_flags & MS_RDONLY)
+			return -EROFS;
+		writeback_inodes_sb(sb);
+		return 0;
+	default:
+		return -EINVAL;
 	}
-	return 0;
 }
 
 /*
@@ -397,224 +319,23 @@ SYSCALL_DEFINE4(quotactl, unsigned int, cmd, const char __user *, special,
 	cmds = cmd >> SUBCMDSHIFT;
 	type = cmd & SUBCMDMASK;
 
-	if (cmds != Q_SYNC || special) {
-		sb = quotactl_block(special);
-		if (IS_ERR(sb))
-			return PTR_ERR(sb);
+	/*
+	 * As a special case Q_SYNC can be called without a specific device.
+	 * It will iterate all superblocks that have quota enabled and call
+	 * the sync action on each of them.
+	 */
+	if (!special) {
+		if (cmds == Q_SYNC)
+			return quota_sync_all(type);
+		return -ENODEV;
 	}
 
-	ret = check_quotactl_valid(sb, type, cmds, id);
-	if (ret >= 0)
-		ret = do_quotactl(sb, type, cmds, id, addr);
-	if (sb)
-		drop_super(sb);
+	sb = quotactl_block(special);
+	if (IS_ERR(sb))
+		return PTR_ERR(sb);
 
-	return ret;
-}
-
-#if defined(CONFIG_COMPAT_FOR_U64_ALIGNMENT)
-/*
- * This code works only for 32 bit quota tools over 64 bit OS (x86_64, ia64)
- * and is necessary due to alignment problems.
- */
-struct compat_if_dqblk {
-	compat_u64 dqb_bhardlimit;
-	compat_u64 dqb_bsoftlimit;
-	compat_u64 dqb_curspace;
-	compat_u64 dqb_ihardlimit;
-	compat_u64 dqb_isoftlimit;
-	compat_u64 dqb_curinodes;
-	compat_u64 dqb_btime;
-	compat_u64 dqb_itime;
-	compat_uint_t dqb_valid;
-};
-
-/* XFS structures */
-struct compat_fs_qfilestat {
-	compat_u64 dqb_bhardlimit;
-	compat_u64 qfs_nblks;
-	compat_uint_t qfs_nextents;
-};
-
-struct compat_fs_quota_stat {
-	__s8		qs_version;
-	__u16		qs_flags;
-	__s8		qs_pad;
-	struct compat_fs_qfilestat	qs_uquota;
-	struct compat_fs_qfilestat	qs_gquota;
-	compat_uint_t	qs_incoredqs;
-	compat_int_t	qs_btimelimit;
-	compat_int_t	qs_itimelimit;
-	compat_int_t	qs_rtbtimelimit;
-	__u16		qs_bwarnlimit;
-	__u16		qs_iwarnlimit;
-};
-
-asmlinkage long sys32_quotactl(unsigned int cmd, const char __user *special,
-						qid_t id, void __user *addr)
-{
-	unsigned int cmds;
-	struct if_dqblk __user *dqblk;
-	struct compat_if_dqblk __user *compat_dqblk;
-	struct fs_quota_stat __user *fsqstat;
-	struct compat_fs_quota_stat __user *compat_fsqstat;
-	compat_uint_t data;
-	u16 xdata;
-	long ret;
+	ret = do_quotactl(sb, type, cmds, id, addr);
 
-	cmds = cmd >> SUBCMDSHIFT;
-
-	switch (cmds) {
-	case Q_GETQUOTA:
-		dqblk = compat_alloc_user_space(sizeof(struct if_dqblk));
-		compat_dqblk = addr;
-		ret = sys_quotactl(cmd, special, id, dqblk);
-		if (ret)
-			break;
-		if (copy_in_user(compat_dqblk, dqblk, sizeof(*compat_dqblk)) ||
-			get_user(data, &dqblk->dqb_valid) ||
-			put_user(data, &compat_dqblk->dqb_valid))
-			ret = -EFAULT;
-		break;
-	case Q_SETQUOTA:
-		dqblk = compat_alloc_user_space(sizeof(struct if_dqblk));
-		compat_dqblk = addr;
-		ret = -EFAULT;
-		if (copy_in_user(dqblk, compat_dqblk, sizeof(*compat_dqblk)) ||
-			get_user(data, &compat_dqblk->dqb_valid) ||
-			put_user(data, &dqblk->dqb_valid))
-			break;
-		ret = sys_quotactl(cmd, special, id, dqblk);
-		break;
-	case Q_XGETQSTAT:
-		fsqstat = compat_alloc_user_space(sizeof(struct fs_quota_stat));
-		compat_fsqstat = addr;
-		ret = sys_quotactl(cmd, special, id, fsqstat);
-		if (ret)
-			break;
-		ret = -EFAULT;
-		/* Copying qs_version, qs_flags, qs_pad */
-		if (copy_in_user(compat_fsqstat, fsqstat,
-			offsetof(struct compat_fs_quota_stat, qs_uquota)))
-			break;
-		/* Copying qs_uquota */
-		if (copy_in_user(&compat_fsqstat->qs_uquota,
-			&fsqstat->qs_uquota,
-			sizeof(compat_fsqstat->qs_uquota)) ||
-			get_user(data, &fsqstat->qs_uquota.qfs_nextents) ||
-			put_user(data, &compat_fsqstat->qs_uquota.qfs_nextents))
-			break;
-		/* Copying qs_gquota */
-		if (copy_in_user(&compat_fsqstat->qs_gquota,
-			&fsqstat->qs_gquota,
-			sizeof(compat_fsqstat->qs_gquota)) ||
-			get_user(data, &fsqstat->qs_gquota.qfs_nextents) ||
-			put_user(data, &compat_fsqstat->qs_gquota.qfs_nextents))
-			break;
-		/* Copying the rest */
-		if (copy_in_user(&compat_fsqstat->qs_incoredqs,
-			&fsqstat->qs_incoredqs,
-			sizeof(struct compat_fs_quota_stat) -
-			offsetof(struct compat_fs_quota_stat, qs_incoredqs)) ||
-			get_user(xdata, &fsqstat->qs_iwarnlimit) ||
-			put_user(xdata, &compat_fsqstat->qs_iwarnlimit))
-			break;
-		ret = 0;
-		break;
-	default:
-		ret = sys_quotactl(cmd, special, id, addr);
-	}
+	drop_super(sb);
 	return ret;
 }
-#endif
-
-
-#ifdef CONFIG_QUOTA_NETLINK_INTERFACE
-
-/* Netlink family structure for quota */
-static struct genl_family quota_genl_family = {
-	.id = GENL_ID_GENERATE,
-	.hdrsize = 0,
-	.name = "VFS_DQUOT",
-	.version = 1,
-	.maxattr = QUOTA_NL_A_MAX,
-};
-
-/**
- * quota_send_warning - Send warning to userspace about exceeded quota
- * @type: The quota type: USRQQUOTA, GRPQUOTA,...
- * @id: The user or group id of the quota that was exceeded
- * @dev: The device on which the fs is mounted (sb->s_dev)
- * @warntype: The type of the warning: QUOTA_NL_...
- *
- * This can be used by filesystems (including those which don't use
- * dquot) to send a message to userspace relating to quota limits.
- *
- */
-
-void quota_send_warning(short type, unsigned int id, dev_t dev,
-			const char warntype)
-{
-	static atomic_t seq;
-	struct sk_buff *skb;
-	void *msg_head;
-	int ret;
-	int msg_size = 4 * nla_total_size(sizeof(u32)) +
-		       2 * nla_total_size(sizeof(u64));
-
-	/* We have to allocate using GFP_NOFS as we are called from a
-	 * filesystem performing write and thus further recursion into
-	 * the fs to free some data could cause deadlocks. */
-	skb = genlmsg_new(msg_size, GFP_NOFS);
-	if (!skb) {
-		printk(KERN_ERR
-		  "VFS: Not enough memory to send quota warning.\n");
-		return;
-	}
-	msg_head = genlmsg_put(skb, 0, atomic_add_return(1, &seq),
-			&quota_genl_family, 0, QUOTA_NL_C_WARNING);
-	if (!msg_head) {
-		printk(KERN_ERR
-		  "VFS: Cannot store netlink header in quota warning.\n");
-		goto err_out;
-	}
-	ret = nla_put_u32(skb, QUOTA_NL_A_QTYPE, type);
-	if (ret)
-		goto attr_err_out;
-	ret = nla_put_u64(skb, QUOTA_NL_A_EXCESS_ID, id);
-	if (ret)
-		goto attr_err_out;
-	ret = nla_put_u32(skb, QUOTA_NL_A_WARNING, warntype);
-	if (ret)
-		goto attr_err_out;
-	ret = nla_put_u32(skb, QUOTA_NL_A_DEV_MAJOR, MAJOR(dev));
-	if (ret)
-		goto attr_err_out;
-	ret = nla_put_u32(skb, QUOTA_NL_A_DEV_MINOR, MINOR(dev));
-	if (ret)
-		goto attr_err_out;
-	ret = nla_put_u64(skb, QUOTA_NL_A_CAUSED_ID, current_uid());
-	if (ret)
-		goto attr_err_out;
-	genlmsg_end(skb, msg_head);
-
-	genlmsg_multicast(skb, 0, quota_genl_family.id, GFP_NOFS);
-	return;
-attr_err_out:
-	printk(KERN_ERR "VFS: Not enough space to compose quota message!\n");
-err_out:
-	kfree_skb(skb);
-}
-EXPORT_SYMBOL(quota_send_warning);
-
-static int __init quota_init(void)
-{
-	if (genl_register_family(&quota_genl_family) != 0)
-		printk(KERN_ERR
-		       "VFS: Failed to create quota netlink interface.\n");
-	return 0;
-};
-
-module_init(quota_init);
-#endif
-
diff --git a/fs/read_write.c b/fs/read_write.c
index b7f4a1f94d48..113386d6fd2d 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -258,6 +258,7 @@ ssize_t do_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *pp
 	init_sync_kiocb(&kiocb, filp);
 	kiocb.ki_pos = *ppos;
 	kiocb.ki_left = len;
+	kiocb.ki_nbytes = len;
 
 	for (;;) {
 		ret = filp->f_op->aio_read(&kiocb, &iov, 1, kiocb.ki_pos);
@@ -313,6 +314,7 @@ ssize_t do_sync_write(struct file *filp, const char __user *buf, size_t len, lof
 	init_sync_kiocb(&kiocb, filp);
 	kiocb.ki_pos = *ppos;
 	kiocb.ki_left = len;
+	kiocb.ki_nbytes = len;
 
 	for (;;) {
 		ret = filp->f_op->aio_write(&kiocb, &iov, 1, kiocb.ki_pos);
diff --git a/fs/reiserfs/bitmap.c b/fs/reiserfs/bitmap.c
index 65c872761177..483442e66ed6 100644
--- a/fs/reiserfs/bitmap.c
+++ b/fs/reiserfs/bitmap.c
@@ -169,7 +169,7 @@ static int scan_bitmap_block(struct reiserfs_transaction_handle *th,
 			return 0;	// No free blocks in this bitmap
 		}
 
-		/* search for a first zero bit -- beggining of a window */
+		/* search for a first zero bit -- beginning of a window */
 		*beg = reiserfs_find_next_zero_le_bit
 		    ((unsigned long *)(bh->b_data), boundary, *beg);
 
@@ -425,7 +425,7 @@ static void _reiserfs_free_block(struct reiserfs_transaction_handle *th,
 
 	journal_mark_dirty(th, s, sbh);
 	if (for_unformatted)
-		vfs_dq_free_block_nodirty(inode, 1);
+		dquot_free_block_nodirty(inode, 1);
 }
 
 void reiserfs_free_block(struct reiserfs_transaction_handle *th,
@@ -1049,7 +1049,7 @@ static inline int blocknrs_and_prealloc_arrays_from_search_start
 			       amount_needed, hint->inode->i_uid);
 #endif
 		quota_ret =
-		    vfs_dq_alloc_block_nodirty(hint->inode, amount_needed);
+		    dquot_alloc_block_nodirty(hint->inode, amount_needed);
 		if (quota_ret)	/* Quota exceeded? */
 			return QUOTA_EXCEEDED;
 		if (hint->preallocate && hint->prealloc_size) {
@@ -1058,7 +1058,7 @@ static inline int blocknrs_and_prealloc_arrays_from_search_start
 				       "reiserquota: allocating (prealloc) %d blocks id=%u",
 				       hint->prealloc_size, hint->inode->i_uid);
 #endif
-			quota_ret = vfs_dq_prealloc_block_nodirty(hint->inode,
+			quota_ret = dquot_prealloc_block_nodirty(hint->inode,
 							 hint->prealloc_size);
 			if (quota_ret)
 				hint->preallocate = hint->prealloc_size = 0;
@@ -1092,7 +1092,7 @@ static inline int blocknrs_and_prealloc_arrays_from_search_start
 					       hint->inode->i_uid);
 #endif
 				/* Free not allocated blocks */
-				vfs_dq_free_block_nodirty(hint->inode,
+				dquot_free_block_nodirty(hint->inode,
 					amount_needed + hint->prealloc_size -
 					nr_allocated);
 			}
@@ -1125,7 +1125,7 @@ static inline int blocknrs_and_prealloc_arrays_from_search_start
 			       REISERFS_I(hint->inode)->i_prealloc_count,
 			       hint->inode->i_uid);
 #endif
-		vfs_dq_free_block_nodirty(hint->inode, amount_needed +
+		dquot_free_block_nodirty(hint->inode, amount_needed +
 					 hint->prealloc_size - nr_allocated -
 					 REISERFS_I(hint->inode)->
 					 i_prealloc_count);
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index da2dba082e2d..1d9c12714c5c 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -289,7 +289,7 @@ const struct file_operations reiserfs_file_operations = {
 	.compat_ioctl = reiserfs_compat_ioctl,
 #endif
 	.mmap = reiserfs_file_mmap,
-	.open = generic_file_open,
+	.open = dquot_file_open,
 	.release = reiserfs_file_release,
 	.fsync = reiserfs_sync_file,
 	.aio_read = generic_file_aio_read,
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 2df0f5c7c60b..d1da94b82d8f 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -34,6 +34,9 @@ void reiserfs_delete_inode(struct inode *inode)
 	int depth;
 	int err;
 
+	if (!is_bad_inode(inode))
+		dquot_initialize(inode);
+
 	truncate_inode_pages(&inode->i_data, 0);
 
 	depth = reiserfs_write_lock_once(inode->i_sb);
@@ -54,7 +57,7 @@ void reiserfs_delete_inode(struct inode *inode)
 		 * after delete_object so that quota updates go into the same transaction as
 		 * stat data deletion */
 		if (!err) 
-			vfs_dq_free_inode(inode);
+			dquot_free_inode(inode);
 
 		if (journal_end(&th, inode->i_sb, jbegin_count))
 			goto out;
@@ -1615,7 +1618,7 @@ int reiserfs_encode_fh(struct dentry *dentry, __u32 * data, int *lenp,
 ** to properly mark inodes for datasync and such, but only actually
 ** does something when called for a synchronous update.
 */
-int reiserfs_write_inode(struct inode *inode, int do_sync)
+int reiserfs_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	struct reiserfs_transaction_handle th;
 	int jbegin_count = 1;
@@ -1627,7 +1630,7 @@ int reiserfs_write_inode(struct inode *inode, int do_sync)
 	 ** inode needs to reach disk for safety, and they can safely be
 	 ** ignored because the altered inode has already been logged.
 	 */
-	if (do_sync && !(current->flags & PF_MEMALLOC)) {
+	if (wbc->sync_mode == WB_SYNC_ALL && !(current->flags & PF_MEMALLOC)) {
 		reiserfs_write_lock(inode->i_sb);
 		if (!journal_begin(&th, inode->i_sb, jbegin_count)) {
 			reiserfs_update_sd(&th, inode);
@@ -1765,10 +1768,10 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th,
 
 	BUG_ON(!th->t_trans_id);
 
-	if (vfs_dq_alloc_inode(inode)) {
-		err = -EDQUOT;
+	dquot_initialize(inode);
+	err = dquot_alloc_inode(inode);
+	if (err)
 		goto out_end_trans;
-	}
 	if (!dir->i_nlink) {
 		err = -EPERM;
 		goto out_bad_inode;
@@ -1959,12 +1962,12 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th,
 	INODE_PKEY(inode)->k_objectid = 0;
 
 	/* Quota change must be inside a transaction for journaling */
-	vfs_dq_free_inode(inode);
+	dquot_free_inode(inode);
 
       out_end_trans:
 	journal_end(th, th->t_super, th->t_blocks_allocated);
 	/* Drop can be outside and it needs more credits so it's better to have it outside */
-	vfs_dq_drop(inode);
+	dquot_drop(inode);
 	inode->i_flags |= S_NOQUOTA;
 	make_bad_inode(inode);
 
@@ -3073,6 +3076,8 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
 
 	depth = reiserfs_write_lock_once(inode->i_sb);
 	if (attr->ia_valid & ATTR_SIZE) {
+		dquot_initialize(inode);
+
 		/* version 2 items will be caught by the s_maxbytes check
 		 ** done for us in vmtruncate
 		 */
@@ -3134,8 +3139,7 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr)
 						  jbegin_count);
 				if (error)
 					goto out;
-				error =
-				    vfs_dq_transfer(inode, attr) ? -EDQUOT : 0;
+				error = dquot_transfer(inode, attr);
 				if (error) {
 					journal_end(&th, inode->i_sb,
 						    jbegin_count);
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index ba98546fabbd..f3de5e8a2ae8 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -2217,6 +2217,15 @@ static int journal_read_transaction(struct super_block *sb,
 		brelse(d_bh);
 		return 1;
 	}
+
+	if (bdev_read_only(sb->s_bdev)) {
+		reiserfs_warning(sb, "clm-2076",
+				 "device is readonly, unable to replay log");
+		brelse(c_bh);
+		brelse(d_bh);
+		return -EROFS;
+	}
+
 	trans_id = get_desc_trans_id(desc);
 	/* now we know we've got a good transaction, and it was inside the valid time ranges */
 	log_blocks = kmalloc(get_desc_trans_len(desc) *
@@ -2459,12 +2468,6 @@ static int journal_read(struct super_block *sb)
 		goto start_log_replay;
 	}
 
-	if (continue_replay && bdev_read_only(sb->s_bdev)) {
-		reiserfs_warning(sb, "clm-2076",
-				 "device is readonly, unable to replay log");
-		return -1;
-	}
-
 	/* ok, there are transactions that need to be replayed.  start with the first log block, find
 	 ** all the valid transactions, and pick out the oldest.
 	 */
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index 9d4dcf0b07cb..96e4cbbfaa18 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -546,7 +546,7 @@ static int reiserfs_add_entry(struct reiserfs_transaction_handle *th,
 */
 static int drop_new_inode(struct inode *inode)
 {
-	vfs_dq_drop(inode);
+	dquot_drop(inode);
 	make_bad_inode(inode);
 	inode->i_flags |= S_NOQUOTA;
 	iput(inode);
@@ -554,7 +554,7 @@ static int drop_new_inode(struct inode *inode)
 }
 
 /* utility function that does setup for reiserfs_new_inode.
-** vfs_dq_init needs lots of credits so it's better to have it
+** dquot_initialize needs lots of credits so it's better to have it
 ** outside of a transaction, so we had to pull some bits of
 ** reiserfs_new_inode out into this func.
 */
@@ -577,7 +577,7 @@ static int new_inode_init(struct inode *inode, struct inode *dir, int mode)
 	} else {
 		inode->i_gid = current_fsgid();
 	}
-	vfs_dq_init(inode);
+	dquot_initialize(inode);
 	return 0;
 }
 
@@ -594,6 +594,8 @@ static int reiserfs_create(struct inode *dir, struct dentry *dentry, int mode,
 	struct reiserfs_transaction_handle th;
 	struct reiserfs_security_handle security;
 
+	dquot_initialize(dir);
+
 	if (!(inode = new_inode(dir->i_sb))) {
 		return -ENOMEM;
 	}
@@ -666,6 +668,8 @@ static int reiserfs_mknod(struct inode *dir, struct dentry *dentry, int mode,
 	if (!new_valid_dev(rdev))
 		return -EINVAL;
 
+	dquot_initialize(dir);
+
 	if (!(inode = new_inode(dir->i_sb))) {
 		return -ENOMEM;
 	}
@@ -739,6 +743,8 @@ static int reiserfs_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	    2 * (REISERFS_QUOTA_INIT_BLOCKS(dir->i_sb) +
 		 REISERFS_QUOTA_TRANS_BLOCKS(dir->i_sb));
 
+	dquot_initialize(dir);
+
 #ifdef DISPLACE_NEW_PACKING_LOCALITIES
 	/* set flag that new packing locality created and new blocks for the content     * of that directory are not displaced yet */
 	REISERFS_I(dir)->new_packing_locality = 1;
@@ -842,6 +848,8 @@ static int reiserfs_rmdir(struct inode *dir, struct dentry *dentry)
 	    JOURNAL_PER_BALANCE_CNT * 2 + 2 +
 	    4 * REISERFS_QUOTA_TRANS_BLOCKS(dir->i_sb);
 
+	dquot_initialize(dir);
+
 	reiserfs_write_lock(dir->i_sb);
 	retval = journal_begin(&th, dir->i_sb, jbegin_count);
 	if (retval)
@@ -923,6 +931,8 @@ static int reiserfs_unlink(struct inode *dir, struct dentry *dentry)
 	unsigned long savelink;
 	int depth;
 
+	dquot_initialize(dir);
+
 	inode = dentry->d_inode;
 
 	/* in this transaction we can be doing at max two balancings and update
@@ -1024,6 +1034,8 @@ static int reiserfs_symlink(struct inode *parent_dir,
 	    2 * (REISERFS_QUOTA_INIT_BLOCKS(parent_dir->i_sb) +
 		 REISERFS_QUOTA_TRANS_BLOCKS(parent_dir->i_sb));
 
+	dquot_initialize(parent_dir);
+
 	if (!(inode = new_inode(parent_dir->i_sb))) {
 		return -ENOMEM;
 	}
@@ -1111,6 +1123,8 @@ static int reiserfs_link(struct dentry *old_dentry, struct inode *dir,
 	    JOURNAL_PER_BALANCE_CNT * 3 +
 	    2 * REISERFS_QUOTA_TRANS_BLOCKS(dir->i_sb);
 
+	dquot_initialize(dir);
+
 	reiserfs_write_lock(dir->i_sb);
 	if (inode->i_nlink >= REISERFS_LINK_MAX) {
 		//FIXME: sd_nlink is 32 bit for new files
@@ -1235,6 +1249,9 @@ static int reiserfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	    JOURNAL_PER_BALANCE_CNT * 3 + 5 +
 	    4 * REISERFS_QUOTA_TRANS_BLOCKS(old_dir->i_sb);
 
+	dquot_initialize(old_dir);
+	dquot_initialize(new_dir);
+
 	old_inode = old_dentry->d_inode;
 	new_dentry_inode = new_dentry->d_inode;
 
diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c
index 5fa7118f04e1..313d39d639eb 100644
--- a/fs/reiserfs/stree.c
+++ b/fs/reiserfs/stree.c
@@ -1299,7 +1299,7 @@ int reiserfs_delete_item(struct reiserfs_transaction_handle *th,
 		       "reiserquota delete_item(): freeing %u, id=%u type=%c",
 		       quota_cut_bytes, inode->i_uid, head2type(&s_ih));
 #endif
-	vfs_dq_free_space_nodirty(inode, quota_cut_bytes);
+	dquot_free_space_nodirty(inode, quota_cut_bytes);
 
 	/* Return deleted body length */
 	return ret_value;
@@ -1383,7 +1383,7 @@ void reiserfs_delete_solid_item(struct reiserfs_transaction_handle *th,
 					       quota_cut_bytes, inode->i_uid,
 					       key2type(key));
 #endif
-				vfs_dq_free_space_nodirty(inode,
+				dquot_free_space_nodirty(inode,
 							 quota_cut_bytes);
 			}
 			break;
@@ -1733,7 +1733,7 @@ int reiserfs_cut_from_item(struct reiserfs_transaction_handle *th,
 		       "reiserquota cut_from_item(): freeing %u id=%u type=%c",
 		       quota_cut_bytes, inode->i_uid, '?');
 #endif
-	vfs_dq_free_space_nodirty(inode, quota_cut_bytes);
+	dquot_free_space_nodirty(inode, quota_cut_bytes);
 	return ret_value;
 }
 
@@ -1968,9 +1968,10 @@ int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct tree
 		       key2type(&(key->on_disk_key)));
 #endif
 
-	if (vfs_dq_alloc_space_nodirty(inode, pasted_size)) {
+	retval = dquot_alloc_space_nodirty(inode, pasted_size);
+	if (retval) {
 		pathrelse(search_path);
-		return -EDQUOT;
+		return retval;
 	}
 	init_tb_struct(th, &s_paste_balance, th->t_super, search_path,
 		       pasted_size);
@@ -2024,7 +2025,7 @@ int reiserfs_paste_into_item(struct reiserfs_transaction_handle *th, struct tree
 		       pasted_size, inode->i_uid,
 		       key2type(&(key->on_disk_key)));
 #endif
-	vfs_dq_free_space_nodirty(inode, pasted_size);
+	dquot_free_space_nodirty(inode, pasted_size);
 	return retval;
 }
 
@@ -2062,9 +2063,10 @@ int reiserfs_insert_item(struct reiserfs_transaction_handle *th,
 #endif
 		/* We can't dirty inode here. It would be immediately written but
 		 * appropriate stat item isn't inserted yet... */
-		if (vfs_dq_alloc_space_nodirty(inode, quota_bytes)) {
+		retval = dquot_alloc_space_nodirty(inode, quota_bytes);
+		if (retval) {
 			pathrelse(path);
-			return -EDQUOT;
+			return retval;
 		}
 	}
 	init_tb_struct(th, &s_ins_balance, th->t_super, path,
@@ -2113,6 +2115,6 @@ int reiserfs_insert_item(struct reiserfs_transaction_handle *th,
 		       quota_bytes, inode->i_uid, head2type(ih));
 #endif
 	if (inode)
-		vfs_dq_free_space_nodirty(inode, quota_bytes);
+		dquot_free_space_nodirty(inode, quota_bytes);
 	return retval;
 }
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index b4a7dd03bdb9..ab190511bc18 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -246,7 +246,7 @@ static int finish_unfinished(struct super_block *s)
 			retval = remove_save_link_only(s, &save_link_key, 0);
 			continue;
 		}
-		vfs_dq_init(inode);
+		dquot_initialize(inode);
 
 		if (truncate && S_ISDIR(inode->i_mode)) {
 			/* We got a truncate request for a dir which is impossible.
@@ -578,6 +578,11 @@ out:
 	reiserfs_write_unlock_once(inode->i_sb, lock_depth);
 }
 
+static void reiserfs_clear_inode(struct inode *inode)
+{
+	dquot_drop(inode);
+}
+
 #ifdef CONFIG_QUOTA
 static ssize_t reiserfs_quota_write(struct super_block *, int, const char *,
 				    size_t, loff_t);
@@ -590,6 +595,7 @@ static const struct super_operations reiserfs_sops = {
 	.destroy_inode = reiserfs_destroy_inode,
 	.write_inode = reiserfs_write_inode,
 	.dirty_inode = reiserfs_dirty_inode,
+	.clear_inode = reiserfs_clear_inode,
 	.delete_inode = reiserfs_delete_inode,
 	.put_super = reiserfs_put_super,
 	.write_super = reiserfs_write_super,
@@ -616,13 +622,6 @@ static int reiserfs_write_info(struct super_block *, int);
 static int reiserfs_quota_on(struct super_block *, int, int, char *, int);
 
 static const struct dquot_operations reiserfs_quota_operations = {
-	.initialize = dquot_initialize,
-	.drop = dquot_drop,
-	.alloc_space = dquot_alloc_space,
-	.alloc_inode = dquot_alloc_inode,
-	.free_space = dquot_free_space,
-	.free_inode = dquot_free_inode,
-	.transfer = dquot_transfer,
 	.write_dquot = reiserfs_write_dquot,
 	.acquire_dquot = reiserfs_acquire_dquot,
 	.release_dquot = reiserfs_release_dquot,
@@ -1619,10 +1618,8 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
 	save_mount_options(s, data);
 
 	sbi = kzalloc(sizeof(struct reiserfs_sb_info), GFP_KERNEL);
-	if (!sbi) {
-		errval = -ENOMEM;
-		goto error_alloc;
-	}
+	if (!sbi)
+		return -ENOMEM;
 	s->s_fs_info = sbi;
 	/* Set default values for options: non-aggressive tails, RO on errors */
 	REISERFS_SB(s)->s_mount_opt |= (1 << REISERFS_SMALLTAIL);
@@ -1879,12 +1876,12 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
 	return (0);
 
 error:
-	reiserfs_write_unlock(s);
-error_alloc:
 	if (jinit_done) {	/* kill the commit thread, free journal ram */
 		journal_release_error(NULL, s);
 	}
 
+	reiserfs_write_unlock(s);
+
 	reiserfs_free_bitmap_cache(s);
 	if (SB_BUFFER_WITH_SB(s))
 		brelse(SB_BUFFER_WITH_SB(s));
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 81f09fab8ae4..37d034ca7d99 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -61,7 +61,6 @@
 static int xattr_create(struct inode *dir, struct dentry *dentry, int mode)
 {
 	BUG_ON(!mutex_is_locked(&dir->i_mutex));
-	vfs_dq_init(dir);
 	return dir->i_op->create(dir, dentry, mode, NULL);
 }
 #endif
@@ -69,7 +68,6 @@ static int xattr_create(struct inode *dir, struct dentry *dentry, int mode)
 static int xattr_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 {
 	BUG_ON(!mutex_is_locked(&dir->i_mutex));
-	vfs_dq_init(dir);
 	return dir->i_op->mkdir(dir, dentry, mode);
 }
 
@@ -81,7 +79,6 @@ static int xattr_unlink(struct inode *dir, struct dentry *dentry)
 {
 	int error;
 	BUG_ON(!mutex_is_locked(&dir->i_mutex));
-	vfs_dq_init(dir);
 
 	reiserfs_mutex_lock_nested_safe(&dentry->d_inode->i_mutex,
 					I_MUTEX_CHILD, dir->i_sb);
@@ -97,7 +94,6 @@ static int xattr_rmdir(struct inode *dir, struct dentry *dentry)
 {
 	int error;
 	BUG_ON(!mutex_is_locked(&dir->i_mutex));
-	vfs_dq_init(dir);
 
 	reiserfs_mutex_lock_nested_safe(&dentry->d_inode->i_mutex,
 					I_MUTEX_CHILD, dir->i_sb);
diff --git a/fs/reiserfs/xattr_security.c b/fs/reiserfs/xattr_security.c
index d8b5bfcbdd30..de1fcffd906b 100644
--- a/fs/reiserfs/xattr_security.c
+++ b/fs/reiserfs/xattr_security.c
@@ -76,7 +76,7 @@ int reiserfs_security_init(struct inode *dir, struct inode *inode,
 		return error;
 	}
 
-	if (sec->length) {
+	if (sec->length && reiserfs_xattrs_initialized(inode->i_sb)) {
 		blocks = reiserfs_xattr_jcreate_nblocks(inode) +
 			 reiserfs_xattr_nblocks(inode, sec->length);
 		/* We don't want to count the directories twice if we have
diff --git a/fs/select.c b/fs/select.c
index fd38ce2e32e3..500a669f7790 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -691,6 +691,23 @@ SYSCALL_DEFINE6(pselect6, int, n, fd_set __user *, inp, fd_set __user *, outp,
 }
 #endif /* HAVE_SET_RESTORE_SIGMASK */
 
+#ifdef __ARCH_WANT_SYS_OLD_SELECT
+struct sel_arg_struct {
+	unsigned long n;
+	fd_set __user *inp, *outp, *exp;
+	struct timeval __user *tvp;
+};
+
+SYSCALL_DEFINE1(old_select, struct sel_arg_struct __user *, arg)
+{
+	struct sel_arg_struct a;
+
+	if (copy_from_user(&a, arg, sizeof(a)))
+		return -EFAULT;
+	return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
+}
+#endif
+
 struct poll_list {
 	struct poll_list *next;
 	int len;
@@ -821,7 +838,7 @@ int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds,
  	struct poll_list *walk = head;
  	unsigned long todo = nfds;
 
-	if (nfds > current->signal->rlim[RLIMIT_NOFILE].rlim_cur)
+	if (nfds > rlimit(RLIMIT_NOFILE))
 		return -EINVAL;
 
 	len = min_t(unsigned int, nfds, N_STACK_PPS);
diff --git a/fs/seq_file.c b/fs/seq_file.c
index 5afd554efad3..e1f437be6c3c 100644
--- a/fs/seq_file.c
+++ b/fs/seq_file.c
@@ -734,7 +734,7 @@ EXPORT_SYMBOL(seq_hlist_start_head);
  * seq_hlist_next - move to the next position of the hlist
  * @v:    the current iterator
  * @head: the head of the hlist
- * @pos:  the current posision
+ * @ppos: the current position
  *
  * Called at seq_file->op->next().
  */
@@ -800,7 +800,7 @@ EXPORT_SYMBOL(seq_hlist_start_head_rcu);
  * seq_hlist_next_rcu - move to the next position of the hlist protected by RCU
  * @v:    the current iterator
  * @head: the head of the hlist
- * @pos:  the current posision
+ * @ppos: the current position
  *
  * Called at seq_file->op->next().
  *
diff --git a/fs/squashfs/Makefile b/fs/squashfs/Makefile
index 70e3244fa30f..df8a19ef870d 100644
--- a/fs/squashfs/Makefile
+++ b/fs/squashfs/Makefile
@@ -4,4 +4,4 @@
 
 obj-$(CONFIG_SQUASHFS) += squashfs.o
 squashfs-y += block.o cache.o dir.o export.o file.o fragment.o id.o inode.o
-squashfs-y += namei.o super.o symlink.o
+squashfs-y += namei.o super.o symlink.o zlib_wrapper.o decompressor.o
diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c
index 2a7960310349..1cb0d81b164b 100644
--- a/fs/squashfs/block.c
+++ b/fs/squashfs/block.c
@@ -29,15 +29,14 @@
 #include <linux/fs.h>
 #include <linux/vfs.h>
 #include <linux/slab.h>
-#include <linux/mutex.h>
 #include <linux/string.h>
 #include <linux/buffer_head.h>
-#include <linux/zlib.h>
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
 #include "squashfs_fs_i.h"
 #include "squashfs.h"
+#include "decompressor.h"
 
 /*
  * Read the metadata block length, this is stored in the first two
@@ -153,72 +152,10 @@ int squashfs_read_data(struct super_block *sb, void **buffer, u64 index,
 	}
 
 	if (compressed) {
-		int zlib_err = 0, zlib_init = 0;
-
-		/*
-		 * Uncompress block.
-		 */
-
-		mutex_lock(&msblk->read_data_mutex);
-
-		msblk->stream.avail_out = 0;
-		msblk->stream.avail_in = 0;
-
-		bytes = length;
-		do {
-			if (msblk->stream.avail_in == 0 && k < b) {
-				avail = min(bytes, msblk->devblksize - offset);
-				bytes -= avail;
-				wait_on_buffer(bh[k]);
-				if (!buffer_uptodate(bh[k]))
-					goto release_mutex;
-
-				if (avail == 0) {
-					offset = 0;
-					put_bh(bh[k++]);
-					continue;
-				}
-
-				msblk->stream.next_in = bh[k]->b_data + offset;
-				msblk->stream.avail_in = avail;
-				offset = 0;
-			}
-
-			if (msblk->stream.avail_out == 0 && page < pages) {
-				msblk->stream.next_out = buffer[page++];
-				msblk->stream.avail_out = PAGE_CACHE_SIZE;
-			}
-
-			if (!zlib_init) {
-				zlib_err = zlib_inflateInit(&msblk->stream);
-				if (zlib_err != Z_OK) {
-					ERROR("zlib_inflateInit returned"
-						" unexpected result 0x%x,"
-						" srclength %d\n", zlib_err,
-						srclength);
-					goto release_mutex;
-				}
-				zlib_init = 1;
-			}
-
-			zlib_err = zlib_inflate(&msblk->stream, Z_SYNC_FLUSH);
-
-			if (msblk->stream.avail_in == 0 && k < b)
-				put_bh(bh[k++]);
-		} while (zlib_err == Z_OK);
-
-		if (zlib_err != Z_STREAM_END) {
-			ERROR("zlib_inflate error, data probably corrupt\n");
-			goto release_mutex;
-		}
-
-		zlib_err = zlib_inflateEnd(&msblk->stream);
-		if (zlib_err != Z_OK) {
-			ERROR("zlib_inflate error, data probably corrupt\n");
-			goto release_mutex;
-		}
-		length = msblk->stream.total_out;
-		mutex_unlock(&msblk->read_data_mutex);
+		length = squashfs_decompress(msblk, buffer, bh, b, offset,
+			 length, srclength, pages);
+		if (length < 0)
+			goto read_failure;
 	} else {
 		/*
 		 * Block is uncompressed.
@@ -255,9 +192,6 @@ int squashfs_read_data(struct super_block *sb, void **buffer, u64 index,
 	kfree(bh);
 	return length;
 
-release_mutex:
-	mutex_unlock(&msblk->read_data_mutex);
-
 block_release:
 	for (; k < b; k++)
 		put_bh(bh[k]);
diff --git a/fs/squashfs/cache.c b/fs/squashfs/cache.c
index 40c98fa6b5d6..57314bee9059 100644
--- a/fs/squashfs/cache.c
+++ b/fs/squashfs/cache.c
@@ -51,7 +51,6 @@
 #include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/wait.h>
-#include <linux/zlib.h>
 #include <linux/pagemap.h>
 
 #include "squashfs_fs.h"
diff --git a/fs/squashfs/decompressor.c b/fs/squashfs/decompressor.c
new file mode 100644
index 000000000000..157478da6ac9
--- /dev/null
+++ b/fs/squashfs/decompressor.c
@@ -0,0 +1,68 @@
+/*
+ * Squashfs - a compressed read only filesystem for Linux
+ *
+ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ * Phillip Lougher <phillip@lougher.demon.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * decompressor.c
+ */
+
+#include <linux/types.h>
+#include <linux/mutex.h>
+#include <linux/buffer_head.h>
+
+#include "squashfs_fs.h"
+#include "squashfs_fs_sb.h"
+#include "squashfs_fs_i.h"
+#include "decompressor.h"
+#include "squashfs.h"
+
+/*
+ * This file (and decompressor.h) implements a decompressor framework for
+ * Squashfs, allowing multiple decompressors to be easily supported
+ */
+
+static const struct squashfs_decompressor squashfs_lzma_unsupported_comp_ops = {
+	NULL, NULL, NULL, LZMA_COMPRESSION, "lzma", 0
+};
+
+static const struct squashfs_decompressor squashfs_lzo_unsupported_comp_ops = {
+	NULL, NULL, NULL, LZO_COMPRESSION, "lzo", 0
+};
+
+static const struct squashfs_decompressor squashfs_unknown_comp_ops = {
+	NULL, NULL, NULL, 0, "unknown", 0
+};
+
+static const struct squashfs_decompressor *decompressor[] = {
+	&squashfs_zlib_comp_ops,
+	&squashfs_lzma_unsupported_comp_ops,
+	&squashfs_lzo_unsupported_comp_ops,
+	&squashfs_unknown_comp_ops
+};
+
+
+const struct squashfs_decompressor *squashfs_lookup_decompressor(int id)
+{
+	int i;
+
+	for (i = 0; decompressor[i]->id; i++)
+		if (id == decompressor[i]->id)
+			break;
+
+	return decompressor[i];
+}
diff --git a/fs/squashfs/decompressor.h b/fs/squashfs/decompressor.h
new file mode 100644
index 000000000000..7425f80783f6
--- /dev/null
+++ b/fs/squashfs/decompressor.h
@@ -0,0 +1,55 @@
+#ifndef DECOMPRESSOR_H
+#define DECOMPRESSOR_H
+/*
+ * Squashfs - a compressed read only filesystem for Linux
+ *
+ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ * Phillip Lougher <phillip@lougher.demon.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * decompressor.h
+ */
+
+struct squashfs_decompressor {
+	void	*(*init)(struct squashfs_sb_info *);
+	void	(*free)(void *);
+	int	(*decompress)(struct squashfs_sb_info *, void **,
+		struct buffer_head **, int, int, int, int, int);
+	int	id;
+	char	*name;
+	int	supported;
+};
+
+static inline void *squashfs_decompressor_init(struct squashfs_sb_info *msblk)
+{
+	return msblk->decompressor->init(msblk);
+}
+
+static inline void squashfs_decompressor_free(struct squashfs_sb_info *msblk,
+	void *s)
+{
+	if (msblk->decompressor)
+		msblk->decompressor->free(s);
+}
+
+static inline int squashfs_decompress(struct squashfs_sb_info *msblk,
+	void **buffer, struct buffer_head **bh, int b, int offset, int length,
+	int srclength, int pages)
+{
+	return msblk->decompressor->decompress(msblk, buffer, bh, b, offset,
+		length, srclength, pages);
+}
+#endif
diff --git a/fs/squashfs/dir.c b/fs/squashfs/dir.c
index 566b0eaed868..12b933ac6585 100644
--- a/fs/squashfs/dir.c
+++ b/fs/squashfs/dir.c
@@ -30,7 +30,6 @@
 #include <linux/fs.h>
 #include <linux/vfs.h>
 #include <linux/slab.h>
-#include <linux/zlib.h>
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
diff --git a/fs/squashfs/export.c b/fs/squashfs/export.c
index 2b1b8fe5e037..7f93d5a9ee05 100644
--- a/fs/squashfs/export.c
+++ b/fs/squashfs/export.c
@@ -39,7 +39,6 @@
 #include <linux/vfs.h>
 #include <linux/dcache.h>
 #include <linux/exportfs.h>
-#include <linux/zlib.h>
 #include <linux/slab.h>
 
 #include "squashfs_fs.h"
diff --git a/fs/squashfs/file.c b/fs/squashfs/file.c
index 717767d831df..a25c5060bdcb 100644
--- a/fs/squashfs/file.c
+++ b/fs/squashfs/file.c
@@ -47,7 +47,6 @@
 #include <linux/string.h>
 #include <linux/pagemap.h>
 #include <linux/mutex.h>
-#include <linux/zlib.h>
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
diff --git a/fs/squashfs/fragment.c b/fs/squashfs/fragment.c
index b5a2c15bbbc7..7c90bbd6879d 100644
--- a/fs/squashfs/fragment.c
+++ b/fs/squashfs/fragment.c
@@ -36,7 +36,6 @@
 #include <linux/fs.h>
 #include <linux/vfs.h>
 #include <linux/slab.h>
-#include <linux/zlib.h>
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
diff --git a/fs/squashfs/id.c b/fs/squashfs/id.c
index 3795b837ba28..b7f64bcd2b70 100644
--- a/fs/squashfs/id.c
+++ b/fs/squashfs/id.c
@@ -34,7 +34,6 @@
 #include <linux/fs.h>
 #include <linux/vfs.h>
 #include <linux/slab.h>
-#include <linux/zlib.h>
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c
index 9101dbde39ec..49daaf669e41 100644
--- a/fs/squashfs/inode.c
+++ b/fs/squashfs/inode.c
@@ -40,7 +40,6 @@
 
 #include <linux/fs.h>
 #include <linux/vfs.h>
-#include <linux/zlib.h>
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
diff --git a/fs/squashfs/namei.c b/fs/squashfs/namei.c
index 9e398653b22b..5266bd8ad932 100644
--- a/fs/squashfs/namei.c
+++ b/fs/squashfs/namei.c
@@ -57,7 +57,6 @@
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/dcache.h>
-#include <linux/zlib.h>
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
diff --git a/fs/squashfs/squashfs.h b/fs/squashfs/squashfs.h
index 0e9feb6adf7e..fe2587af5512 100644
--- a/fs/squashfs/squashfs.h
+++ b/fs/squashfs/squashfs.h
@@ -51,6 +51,9 @@ extern struct squashfs_cache_entry *squashfs_get_datablock(struct super_block *,
 				u64, int);
 extern int squashfs_read_table(struct super_block *, void *, u64, int);
 
+/* decompressor.c */
+extern const struct squashfs_decompressor *squashfs_lookup_decompressor(int);
+
 /* export.c */
 extern __le64 *squashfs_read_inode_lookup_table(struct super_block *, u64,
 				unsigned int);
@@ -71,7 +74,7 @@ extern struct inode *squashfs_iget(struct super_block *, long long,
 extern int squashfs_read_inode(struct inode *, long long);
 
 /*
- * Inodes and files operations
+ * Inodes, files and decompressor operations
  */
 
 /* dir.c */
@@ -88,3 +91,6 @@ extern const struct inode_operations squashfs_dir_inode_ops;
 
 /* symlink.c */
 extern const struct address_space_operations squashfs_symlink_aops;
+
+/* zlib_wrapper.c */
+extern const struct squashfs_decompressor squashfs_zlib_comp_ops;
diff --git a/fs/squashfs/squashfs_fs.h b/fs/squashfs/squashfs_fs.h
index 283daafc568e..79024245ea00 100644
--- a/fs/squashfs/squashfs_fs.h
+++ b/fs/squashfs/squashfs_fs.h
@@ -183,8 +183,6 @@
 #define SQUASHFS_MAX_FILE_SIZE		(1LL << \
 					(SQUASHFS_MAX_FILE_SIZE_LOG - 2))
 
-#define SQUASHFS_MARKER_BYTE		0xff
-
 /* meta index cache */
 #define SQUASHFS_META_INDEXES	(SQUASHFS_METADATA_SIZE / sizeof(unsigned int))
 #define SQUASHFS_META_ENTRIES	127
@@ -211,7 +209,9 @@ struct meta_index {
 /*
  * definitions for structures on disk
  */
-#define ZLIB_COMPRESSION	 1
+#define ZLIB_COMPRESSION	1
+#define LZMA_COMPRESSION	2
+#define LZO_COMPRESSION		3
 
 struct squashfs_super_block {
 	__le32			s_magic;
diff --git a/fs/squashfs/squashfs_fs_sb.h b/fs/squashfs/squashfs_fs_sb.h
index c8c65614dd1c..2e77dc547e25 100644
--- a/fs/squashfs/squashfs_fs_sb.h
+++ b/fs/squashfs/squashfs_fs_sb.h
@@ -52,25 +52,25 @@ struct squashfs_cache_entry {
 };
 
 struct squashfs_sb_info {
-	int			devblksize;
-	int			devblksize_log2;
-	struct squashfs_cache	*block_cache;
-	struct squashfs_cache	*fragment_cache;
-	struct squashfs_cache	*read_page;
-	int			next_meta_index;
-	__le64			*id_table;
-	__le64			*fragment_index;
-	unsigned int		*fragment_index_2;
-	struct mutex		read_data_mutex;
-	struct mutex		meta_index_mutex;
-	struct meta_index	*meta_index;
-	z_stream		stream;
-	__le64			*inode_lookup_table;
-	u64			inode_table;
-	u64			directory_table;
-	unsigned int		block_size;
-	unsigned short		block_log;
-	long long		bytes_used;
-	unsigned int		inodes;
+	const struct squashfs_decompressor	*decompressor;
+	int					devblksize;
+	int					devblksize_log2;
+	struct squashfs_cache			*block_cache;
+	struct squashfs_cache			*fragment_cache;
+	struct squashfs_cache			*read_page;
+	int					next_meta_index;
+	__le64					*id_table;
+	__le64					*fragment_index;
+	struct mutex				read_data_mutex;
+	struct mutex				meta_index_mutex;
+	struct meta_index			*meta_index;
+	void					*stream;
+	__le64					*inode_lookup_table;
+	u64					inode_table;
+	u64					directory_table;
+	unsigned int				block_size;
+	unsigned short				block_log;
+	long long				bytes_used;
+	unsigned int				inodes;
 };
 #endif
diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c
index 6c197ef53add..3550aec2f655 100644
--- a/fs/squashfs/super.c
+++ b/fs/squashfs/super.c
@@ -35,34 +35,41 @@
 #include <linux/pagemap.h>
 #include <linux/init.h>
 #include <linux/module.h>
-#include <linux/zlib.h>
 #include <linux/magic.h>
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
 #include "squashfs_fs_i.h"
 #include "squashfs.h"
+#include "decompressor.h"
 
 static struct file_system_type squashfs_fs_type;
 static const struct super_operations squashfs_super_ops;
 
-static int supported_squashfs_filesystem(short major, short minor, short comp)
+static const struct squashfs_decompressor *supported_squashfs_filesystem(short
+	major, short minor, short id)
 {
+	const struct squashfs_decompressor *decompressor;
+
 	if (major < SQUASHFS_MAJOR) {
 		ERROR("Major/Minor mismatch, older Squashfs %d.%d "
 			"filesystems are unsupported\n", major, minor);
-		return -EINVAL;
+		return NULL;
 	} else if (major > SQUASHFS_MAJOR || minor > SQUASHFS_MINOR) {
 		ERROR("Major/Minor mismatch, trying to mount newer "
 			"%d.%d filesystem\n", major, minor);
 		ERROR("Please update your kernel\n");
-		return -EINVAL;
+		return NULL;
 	}
 
-	if (comp != ZLIB_COMPRESSION)
-		return -EINVAL;
+	decompressor = squashfs_lookup_decompressor(id);
+	if (!decompressor->supported) {
+		ERROR("Filesystem uses \"%s\" compression. This is not "
+			"supported\n", decompressor->name);
+		return NULL;
+	}
 
-	return 0;
+	return decompressor;
 }
 
 
@@ -87,13 +94,6 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
 	}
 	msblk = sb->s_fs_info;
 
-	msblk->stream.workspace = kmalloc(zlib_inflate_workspacesize(),
-		GFP_KERNEL);
-	if (msblk->stream.workspace == NULL) {
-		ERROR("Failed to allocate zlib workspace\n");
-		goto failure;
-	}
-
 	sblk = kzalloc(sizeof(*sblk), GFP_KERNEL);
 	if (sblk == NULL) {
 		ERROR("Failed to allocate squashfs_super_block\n");
@@ -120,25 +120,25 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
 		goto failed_mount;
 	}
 
+	err = -EINVAL;
+
 	/* Check it is a SQUASHFS superblock */
 	sb->s_magic = le32_to_cpu(sblk->s_magic);
 	if (sb->s_magic != SQUASHFS_MAGIC) {
 		if (!silent)
 			ERROR("Can't find a SQUASHFS superblock on %s\n",
 						bdevname(sb->s_bdev, b));
-		err = -EINVAL;
 		goto failed_mount;
 	}
 
-	/* Check the MAJOR & MINOR versions and compression type */
-	err = supported_squashfs_filesystem(le16_to_cpu(sblk->s_major),
+	/* Check the MAJOR & MINOR versions and lookup compression type */
+	msblk->decompressor = supported_squashfs_filesystem(
+			le16_to_cpu(sblk->s_major),
 			le16_to_cpu(sblk->s_minor),
 			le16_to_cpu(sblk->compression));
-	if (err < 0)
+	if (msblk->decompressor == NULL)
 		goto failed_mount;
 
-	err = -EINVAL;
-
 	/*
 	 * Check if there's xattrs in the filesystem.  These are not
 	 * supported in this version, so warn that they will be ignored.
@@ -205,6 +205,10 @@ static int squashfs_fill_super(struct super_block *sb, void *data, int silent)
 
 	err = -ENOMEM;
 
+	msblk->stream = squashfs_decompressor_init(msblk);
+	if (msblk->stream == NULL)
+		goto failed_mount;
+
 	msblk->block_cache = squashfs_cache_init("metadata",
 			SQUASHFS_CACHED_BLKS, SQUASHFS_METADATA_SIZE);
 	if (msblk->block_cache == NULL)
@@ -292,17 +296,16 @@ failed_mount:
 	squashfs_cache_delete(msblk->block_cache);
 	squashfs_cache_delete(msblk->fragment_cache);
 	squashfs_cache_delete(msblk->read_page);
+	squashfs_decompressor_free(msblk, msblk->stream);
 	kfree(msblk->inode_lookup_table);
 	kfree(msblk->fragment_index);
 	kfree(msblk->id_table);
-	kfree(msblk->stream.workspace);
 	kfree(sb->s_fs_info);
 	sb->s_fs_info = NULL;
 	kfree(sblk);
 	return err;
 
 failure:
-	kfree(msblk->stream.workspace);
 	kfree(sb->s_fs_info);
 	sb->s_fs_info = NULL;
 	return -ENOMEM;
@@ -346,10 +349,10 @@ static void squashfs_put_super(struct super_block *sb)
 		squashfs_cache_delete(sbi->block_cache);
 		squashfs_cache_delete(sbi->fragment_cache);
 		squashfs_cache_delete(sbi->read_page);
+		squashfs_decompressor_free(sbi, sbi->stream);
 		kfree(sbi->id_table);
 		kfree(sbi->fragment_index);
 		kfree(sbi->meta_index);
-		kfree(sbi->stream.workspace);
 		kfree(sb->s_fs_info);
 		sb->s_fs_info = NULL;
 	}
diff --git a/fs/squashfs/symlink.c b/fs/squashfs/symlink.c
index 83d87880aac8..e80be2022a7f 100644
--- a/fs/squashfs/symlink.c
+++ b/fs/squashfs/symlink.c
@@ -36,7 +36,6 @@
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <linux/pagemap.h>
-#include <linux/zlib.h>
 
 #include "squashfs_fs.h"
 #include "squashfs_fs_sb.h"
diff --git a/fs/squashfs/zlib_wrapper.c b/fs/squashfs/zlib_wrapper.c
new file mode 100644
index 000000000000..4dd70e04333b
--- /dev/null
+++ b/fs/squashfs/zlib_wrapper.c
@@ -0,0 +1,150 @@
+/*
+ * Squashfs - a compressed read only filesystem for Linux
+ *
+ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ * Phillip Lougher <phillip@lougher.demon.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2,
+ * or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * zlib_wrapper.c
+ */
+
+
+#include <linux/mutex.h>
+#include <linux/buffer_head.h>
+#include <linux/zlib.h>
+
+#include "squashfs_fs.h"
+#include "squashfs_fs_sb.h"
+#include "squashfs_fs_i.h"
+#include "squashfs.h"
+#include "decompressor.h"
+
+static void *zlib_init(struct squashfs_sb_info *dummy)
+{
+	z_stream *stream = kmalloc(sizeof(z_stream), GFP_KERNEL);
+	if (stream == NULL)
+		goto failed;
+	stream->workspace = kmalloc(zlib_inflate_workspacesize(),
+		GFP_KERNEL);
+	if (stream->workspace == NULL)
+		goto failed;
+
+	return stream;
+
+failed:
+	ERROR("Failed to allocate zlib workspace\n");
+	kfree(stream);
+	return NULL;
+}
+
+
+static void zlib_free(void *strm)
+{
+	z_stream *stream = strm;
+
+	if (stream)
+		kfree(stream->workspace);
+	kfree(stream);
+}
+
+
+static int zlib_uncompress(struct squashfs_sb_info *msblk, void **buffer,
+	struct buffer_head **bh, int b, int offset, int length, int srclength,
+	int pages)
+{
+	int zlib_err = 0, zlib_init = 0;
+	int avail, bytes, k = 0, page = 0;
+	z_stream *stream = msblk->stream;
+
+	mutex_lock(&msblk->read_data_mutex);
+
+	stream->avail_out = 0;
+	stream->avail_in = 0;
+
+	bytes = length;
+	do {
+		if (stream->avail_in == 0 && k < b) {
+			avail = min(bytes, msblk->devblksize - offset);
+			bytes -= avail;
+			wait_on_buffer(bh[k]);
+			if (!buffer_uptodate(bh[k]))
+				goto release_mutex;
+
+			if (avail == 0) {
+				offset = 0;
+				put_bh(bh[k++]);
+				continue;
+			}
+
+			stream->next_in = bh[k]->b_data + offset;
+			stream->avail_in = avail;
+			offset = 0;
+		}
+
+		if (stream->avail_out == 0 && page < pages) {
+			stream->next_out = buffer[page++];
+			stream->avail_out = PAGE_CACHE_SIZE;
+		}
+
+		if (!zlib_init) {
+			zlib_err = zlib_inflateInit(stream);
+			if (zlib_err != Z_OK) {
+				ERROR("zlib_inflateInit returned unexpected "
+					"result 0x%x, srclength %d\n",
+					zlib_err, srclength);
+				goto release_mutex;
+			}
+			zlib_init = 1;
+		}
+
+		zlib_err = zlib_inflate(stream, Z_SYNC_FLUSH);
+
+		if (stream->avail_in == 0 && k < b)
+			put_bh(bh[k++]);
+	} while (zlib_err == Z_OK);
+
+	if (zlib_err != Z_STREAM_END) {
+		ERROR("zlib_inflate error, data probably corrupt\n");
+		goto release_mutex;
+	}
+
+	zlib_err = zlib_inflateEnd(stream);
+	if (zlib_err != Z_OK) {
+		ERROR("zlib_inflate error, data probably corrupt\n");
+		goto release_mutex;
+	}
+
+	mutex_unlock(&msblk->read_data_mutex);
+	return stream->total_out;
+
+release_mutex:
+	mutex_unlock(&msblk->read_data_mutex);
+
+	for (; k < b; k++)
+		put_bh(bh[k]);
+
+	return -EIO;
+}
+
+const struct squashfs_decompressor squashfs_zlib_comp_ops = {
+	.init = zlib_init,
+	.free = zlib_free,
+	.decompress = zlib_uncompress,
+	.id = ZLIB_COMPRESSION,
+	.name = "zlib",
+	.supported = 1
+};
+
diff --git a/fs/super.c b/fs/super.c
index aff046b0fe78..f35ac6022109 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -568,7 +568,7 @@ out:
 int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
 {
 	int retval;
-	int remount_rw;
+	int remount_rw, remount_ro;
 
 	if (sb->s_frozen != SB_UNFROZEN)
 		return -EBUSY;
@@ -583,9 +583,12 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
 	shrink_dcache_sb(sb);
 	sync_filesystem(sb);
 
+	remount_ro = (flags & MS_RDONLY) && !(sb->s_flags & MS_RDONLY);
+	remount_rw = !(flags & MS_RDONLY) && (sb->s_flags & MS_RDONLY);
+
 	/* If we are remounting RDONLY and current sb is read/write,
 	   make sure there are no rw files opened */
-	if ((flags & MS_RDONLY) && !(sb->s_flags & MS_RDONLY)) {
+	if (remount_ro) {
 		if (force)
 			mark_files_ro(sb);
 		else if (!fs_may_remount_ro(sb))
@@ -594,7 +597,6 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
 		if (retval < 0 && retval != -ENOSYS)
 			return -EBUSY;
 	}
-	remount_rw = !(flags & MS_RDONLY) && (sb->s_flags & MS_RDONLY);
 
 	if (sb->s_op->remount_fs) {
 		retval = sb->s_op->remount_fs(sb, &flags, data);
@@ -604,6 +606,16 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force)
 	sb->s_flags = (sb->s_flags & ~MS_RMT_MASK) | (flags & MS_RMT_MASK);
 	if (remount_rw)
 		vfs_dq_quota_on_remount(sb);
+	/*
+	 * Some filesystems modify their metadata via some other path than the
+	 * bdev buffer cache (eg. use a private mapping, or directories in
+	 * pagecache, etc). Also file data modifications go via their own
+	 * mappings. So If we try to mount readonly then copy the filesystem
+	 * from bdev, we could get stale data, so invalidate it to give a best
+	 * effort at coherency.
+	 */
+	if (remount_ro && sb->s_bdev)
+		invalidate_bdev(sb->s_bdev);
 	return 0;
 }
 
@@ -925,6 +937,9 @@ vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void
 	if (!mnt)
 		goto out;
 
+	if (flags & MS_KERNMOUNT)
+		mnt->mnt_flags = MNT_INTERNAL;
+
 	if (data && !(type->fs_flags & FS_BINARY_MOUNTDATA)) {
 		secdata = alloc_secdata();
 		if (!secdata)
diff --git a/fs/sync.c b/fs/sync.c
index 418727a2a239..f557d71cb097 100644
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -34,14 +34,14 @@ static int __sync_filesystem(struct super_block *sb, int wait)
 	if (!sb->s_bdi)
 		return 0;
 
-	/* Avoid doing twice syncing and cache pruning for quota sync */
-	if (!wait) {
-		writeout_quota_sb(sb, -1);
-		writeback_inodes_sb(sb);
-	} else {
-		sync_quota_sb(sb, -1);
+	if (sb->s_qcop && sb->s_qcop->quota_sync)
+		sb->s_qcop->quota_sync(sb, -1, wait);
+
+	if (wait)
 		sync_inodes_sb(sb);
-	}
+	else
+		writeback_inodes_sb(sb);
+
 	if (sb->s_op->sync_fs)
 		sb->s_op->sync_fs(sb, wait);
 	return __sync_blockdev(sb->s_bdev, wait);
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c
index a0a500af24a1..e9d293593e52 100644
--- a/fs/sysfs/bin.c
+++ b/fs/sysfs/bin.c
@@ -54,14 +54,14 @@ fill_read(struct dentry *dentry, char *buffer, loff_t off, size_t count)
 	int rc;
 
 	/* need attr_sd for attr, its parent for kobj */
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return -ENODEV;
 
 	rc = -EIO;
 	if (attr->read)
 		rc = attr->read(kobj, attr, buffer, off, count);
 
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 
 	return rc;
 }
@@ -125,14 +125,14 @@ flush_write(struct dentry *dentry, char *buffer, loff_t offset, size_t count)
 	int rc;
 
 	/* need attr_sd for attr, its parent for kobj */
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return -ENODEV;
 
 	rc = -EIO;
 	if (attr->write)
 		rc = attr->write(kobj, attr, buffer, offset, count);
 
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 
 	return rc;
 }
@@ -184,12 +184,12 @@ static void bin_vma_open(struct vm_area_struct *vma)
 	if (!bb->vm_ops || !bb->vm_ops->open)
 		return;
 
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return;
 
 	bb->vm_ops->open(vma);
 
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 }
 
 static void bin_vma_close(struct vm_area_struct *vma)
@@ -201,12 +201,12 @@ static void bin_vma_close(struct vm_area_struct *vma)
 	if (!bb->vm_ops || !bb->vm_ops->close)
 		return;
 
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return;
 
 	bb->vm_ops->close(vma);
 
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 }
 
 static int bin_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
@@ -219,12 +219,12 @@ static int bin_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 	if (!bb->vm_ops || !bb->vm_ops->fault)
 		return VM_FAULT_SIGBUS;
 
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return VM_FAULT_SIGBUS;
 
 	ret = bb->vm_ops->fault(vma, vmf);
 
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 	return ret;
 }
 
@@ -241,12 +241,12 @@ static int bin_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 	if (!bb->vm_ops->page_mkwrite)
 		return 0;
 
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return VM_FAULT_SIGBUS;
 
 	ret = bb->vm_ops->page_mkwrite(vma, vmf);
 
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 	return ret;
 }
 
@@ -261,12 +261,12 @@ static int bin_access(struct vm_area_struct *vma, unsigned long addr,
 	if (!bb->vm_ops || !bb->vm_ops->access)
 		return -EINVAL;
 
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return -EINVAL;
 
 	ret = bb->vm_ops->access(vma, addr, buf, len, write);
 
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 	return ret;
 }
 
@@ -281,12 +281,12 @@ static int bin_set_policy(struct vm_area_struct *vma, struct mempolicy *new)
 	if (!bb->vm_ops || !bb->vm_ops->set_policy)
 		return 0;
 
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return -EINVAL;
 
 	ret = bb->vm_ops->set_policy(vma, new);
 
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 	return ret;
 }
 
@@ -301,12 +301,12 @@ static struct mempolicy *bin_get_policy(struct vm_area_struct *vma,
 	if (!bb->vm_ops || !bb->vm_ops->get_policy)
 		return vma->vm_policy;
 
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return vma->vm_policy;
 
 	pol = bb->vm_ops->get_policy(vma, addr);
 
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 	return pol;
 }
 
@@ -321,12 +321,12 @@ static int bin_migrate(struct vm_area_struct *vma, const nodemask_t *from,
 	if (!bb->vm_ops || !bb->vm_ops->migrate)
 		return 0;
 
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return 0;
 
 	ret = bb->vm_ops->migrate(vma, from, to, flags);
 
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 	return ret;
 }
 #endif
@@ -356,7 +356,7 @@ static int mmap(struct file *file, struct vm_area_struct *vma)
 
 	/* need attr_sd for attr, its parent for kobj */
 	rc = -ENODEV;
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		goto out_unlock;
 
 	rc = -EINVAL;
@@ -384,7 +384,7 @@ static int mmap(struct file *file, struct vm_area_struct *vma)
 	bb->vm_ops = vma->vm_ops;
 	vma->vm_ops = &bin_vm_ops;
 out_put:
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 out_unlock:
 	mutex_unlock(&bb->mutex);
 
@@ -399,7 +399,7 @@ static int open(struct inode * inode, struct file * file)
 	int error;
 
 	/* binary file operations requires both @sd and its parent */
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return -ENODEV;
 
 	error = -EACCES;
@@ -426,11 +426,11 @@ static int open(struct inode * inode, struct file * file)
 	mutex_unlock(&sysfs_bin_lock);
 
 	/* open succeeded, put active references */
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 	return 0;
 
  err_out:
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 	kfree(bb);
 	return error;
 }
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 699f371b9f12..590717861c7a 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -93,7 +93,7 @@ static void sysfs_unlink_sibling(struct sysfs_dirent *sd)
  *	RETURNS:
  *	Pointer to @sd on success, NULL on failure.
  */
-static struct sysfs_dirent *sysfs_get_active(struct sysfs_dirent *sd)
+struct sysfs_dirent *sysfs_get_active(struct sysfs_dirent *sd)
 {
 	if (unlikely(!sd))
 		return NULL;
@@ -124,7 +124,7 @@ static struct sysfs_dirent *sysfs_get_active(struct sysfs_dirent *sd)
  *	Put an active reference to @sd.  This function is noop if @sd
  *	is NULL.
  */
-static void sysfs_put_active(struct sysfs_dirent *sd)
+void sysfs_put_active(struct sysfs_dirent *sd)
 {
 	struct completion *cmpl;
 	int v;
@@ -145,45 +145,6 @@ static void sysfs_put_active(struct sysfs_dirent *sd)
 }
 
 /**
- *	sysfs_get_active_two - get active references to sysfs_dirent and parent
- *	@sd: sysfs_dirent of interest
- *
- *	Get active reference to @sd and its parent.  Parent's active
- *	reference is grabbed first.  This function is noop if @sd is
- *	NULL.
- *
- *	RETURNS:
- *	Pointer to @sd on success, NULL on failure.
- */
-struct sysfs_dirent *sysfs_get_active_two(struct sysfs_dirent *sd)
-{
-	if (sd) {
-		if (sd->s_parent && unlikely(!sysfs_get_active(sd->s_parent)))
-			return NULL;
-		if (unlikely(!sysfs_get_active(sd))) {
-			sysfs_put_active(sd->s_parent);
-			return NULL;
-		}
-	}
-	return sd;
-}
-
-/**
- *	sysfs_put_active_two - put active references to sysfs_dirent and parent
- *	@sd: sysfs_dirent of interest
- *
- *	Put active references to @sd and its parent.  This function is
- *	noop if @sd is NULL.
- */
-void sysfs_put_active_two(struct sysfs_dirent *sd)
-{
-	if (sd) {
-		sysfs_put_active(sd);
-		sysfs_put_active(sd->s_parent);
-	}
-}
-
-/**
  *	sysfs_deactivate - deactivate sysfs_dirent
  *	@sd: sysfs_dirent to deactivate
  *
@@ -195,6 +156,10 @@ static void sysfs_deactivate(struct sysfs_dirent *sd)
 	int v;
 
 	BUG_ON(sd->s_sibling || !(sd->s_flags & SYSFS_FLAG_REMOVED));
+
+	if (!(sysfs_type(sd) & SYSFS_ACTIVE_REF))
+		return;
+
 	sd->s_sibling = (void *)&wait;
 
 	rwsem_acquire(&sd->dep_map, 0, 0, _RET_IP_);
@@ -354,7 +319,6 @@ struct sysfs_dirent *sysfs_new_dirent(const char *name, umode_t mode, int type)
 
 	atomic_set(&sd->s_count, 1);
 	atomic_set(&sd->s_active, 0);
-	sysfs_dirent_init_lockdep(sd);
 
 	sd->s_name = name;
 	sd->s_mode = mode;
@@ -681,7 +645,7 @@ static struct dentry * sysfs_lookup(struct inode *dir, struct dentry *dentry,
 	}
 
 	/* attach dentry and inode */
-	inode = sysfs_get_inode(sd);
+	inode = sysfs_get_inode(dir->i_sb, sd);
 	if (!inode) {
 		ret = ERR_PTR(-ENOMEM);
 		goto out_unlock;
@@ -837,11 +801,46 @@ static inline unsigned char dt_type(struct sysfs_dirent *sd)
 	return (sd->s_mode >> 12) & 15;
 }
 
+static int sysfs_dir_release(struct inode *inode, struct file *filp)
+{
+	sysfs_put(filp->private_data);
+	return 0;
+}
+
+static struct sysfs_dirent *sysfs_dir_pos(struct sysfs_dirent *parent_sd,
+	ino_t ino, struct sysfs_dirent *pos)
+{
+	if (pos) {
+		int valid = !(pos->s_flags & SYSFS_FLAG_REMOVED) &&
+			pos->s_parent == parent_sd &&
+			ino == pos->s_ino;
+		sysfs_put(pos);
+		if (valid)
+			return pos;
+	}
+	pos = NULL;
+	if ((ino > 1) && (ino < INT_MAX)) {
+		pos = parent_sd->s_dir.children;
+		while (pos && (ino > pos->s_ino))
+			pos = pos->s_sibling;
+	}
+	return pos;
+}
+
+static struct sysfs_dirent *sysfs_dir_next_pos(struct sysfs_dirent *parent_sd,
+	ino_t ino, struct sysfs_dirent *pos)
+{
+	pos = sysfs_dir_pos(parent_sd, ino, pos);
+	if (pos)
+		pos = pos->s_sibling;
+	return pos;
+}
+
 static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
 {
 	struct dentry *dentry = filp->f_path.dentry;
 	struct sysfs_dirent * parent_sd = dentry->d_fsdata;
-	struct sysfs_dirent *pos;
+	struct sysfs_dirent *pos = filp->private_data;
 	ino_t ino;
 
 	if (filp->f_pos == 0) {
@@ -857,29 +856,31 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
 		if (filldir(dirent, "..", 2, filp->f_pos, ino, DT_DIR) == 0)
 			filp->f_pos++;
 	}
-	if ((filp->f_pos > 1) && (filp->f_pos < INT_MAX)) {
-		mutex_lock(&sysfs_mutex);
-
-		/* Skip the dentries we have already reported */
-		pos = parent_sd->s_dir.children;
-		while (pos && (filp->f_pos > pos->s_ino))
-			pos = pos->s_sibling;
-
-		for ( ; pos; pos = pos->s_sibling) {
-			const char * name;
-			int len;
-
-			name = pos->s_name;
-			len = strlen(name);
-			filp->f_pos = ino = pos->s_ino;
+	mutex_lock(&sysfs_mutex);
+	for (pos = sysfs_dir_pos(parent_sd, filp->f_pos, pos);
+	     pos;
+	     pos = sysfs_dir_next_pos(parent_sd, filp->f_pos, pos)) {
+		const char * name;
+		unsigned int type;
+		int len, ret;
+
+		name = pos->s_name;
+		len = strlen(name);
+		ino = pos->s_ino;
+		type = dt_type(pos);
+		filp->f_pos = ino;
+		filp->private_data = sysfs_get(pos);
 
-			if (filldir(dirent, name, len, filp->f_pos, ino,
-					 dt_type(pos)) < 0)
-				break;
-		}
-		if (!pos)
-			filp->f_pos = INT_MAX;
 		mutex_unlock(&sysfs_mutex);
+		ret = filldir(dirent, name, len, filp->f_pos, ino, type);
+		mutex_lock(&sysfs_mutex);
+		if (ret < 0)
+			break;
+	}
+	mutex_unlock(&sysfs_mutex);
+	if ((filp->f_pos > 1) && !pos) { /* EOF */
+		filp->f_pos = INT_MAX;
+		filp->private_data = NULL;
 	}
 	return 0;
 }
@@ -888,5 +889,6 @@ static int sysfs_readdir(struct file * filp, void * dirent, filldir_t filldir)
 const struct file_operations sysfs_dir_operations = {
 	.read		= generic_read_dir,
 	.readdir	= sysfs_readdir,
+	.release	= sysfs_dir_release,
 	.llseek		= generic_file_llseek,
 };
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index dc30d9e31683..e222b2582746 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -53,7 +53,7 @@ struct sysfs_buffer {
 	size_t			count;
 	loff_t			pos;
 	char			* page;
-	struct sysfs_ops	* ops;
+	const struct sysfs_ops	* ops;
 	struct mutex		mutex;
 	int			needs_read_fill;
 	int			event;
@@ -75,7 +75,7 @@ static int fill_read_buffer(struct dentry * dentry, struct sysfs_buffer * buffer
 {
 	struct sysfs_dirent *attr_sd = dentry->d_fsdata;
 	struct kobject *kobj = attr_sd->s_parent->s_dir.kobj;
-	struct sysfs_ops * ops = buffer->ops;
+	const struct sysfs_ops * ops = buffer->ops;
 	int ret = 0;
 	ssize_t count;
 
@@ -85,13 +85,13 @@ static int fill_read_buffer(struct dentry * dentry, struct sysfs_buffer * buffer
 		return -ENOMEM;
 
 	/* need attr_sd for attr and ops, its parent for kobj */
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return -ENODEV;
 
 	buffer->event = atomic_read(&attr_sd->s_attr.open->event);
 	count = ops->show(kobj, attr_sd->s_attr.attr, buffer->page);
 
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 
 	/*
 	 * The code works fine with PAGE_SIZE return but it's likely to
@@ -199,16 +199,16 @@ flush_write_buffer(struct dentry * dentry, struct sysfs_buffer * buffer, size_t
 {
 	struct sysfs_dirent *attr_sd = dentry->d_fsdata;
 	struct kobject *kobj = attr_sd->s_parent->s_dir.kobj;
-	struct sysfs_ops * ops = buffer->ops;
+	const struct sysfs_ops * ops = buffer->ops;
 	int rc;
 
 	/* need attr_sd for attr and ops, its parent for kobj */
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return -ENODEV;
 
 	rc = ops->store(kobj, attr_sd->s_attr.attr, buffer->page, count);
 
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 
 	return rc;
 }
@@ -335,7 +335,7 @@ static int sysfs_open_file(struct inode *inode, struct file *file)
 	struct sysfs_dirent *attr_sd = file->f_path.dentry->d_fsdata;
 	struct kobject *kobj = attr_sd->s_parent->s_dir.kobj;
 	struct sysfs_buffer *buffer;
-	struct sysfs_ops *ops;
+	const struct sysfs_ops *ops;
 	int error = -EACCES;
 	char *p;
 
@@ -344,7 +344,7 @@ static int sysfs_open_file(struct inode *inode, struct file *file)
 		memmove(last_sysfs_file, p, strlen(p) + 1);
 
 	/* need attr_sd for attr and ops, its parent for kobj */
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		return -ENODEV;
 
 	/* every kobject with an attribute needs a ktype assigned */
@@ -393,13 +393,13 @@ static int sysfs_open_file(struct inode *inode, struct file *file)
 		goto err_free;
 
 	/* open succeeded, put active references */
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 	return 0;
 
  err_free:
 	kfree(buffer);
  err_out:
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 	return error;
 }
 
@@ -437,12 +437,12 @@ static unsigned int sysfs_poll(struct file *filp, poll_table *wait)
 	struct sysfs_open_dirent *od = attr_sd->s_attr.open;
 
 	/* need parent for the kobj, grab both */
-	if (!sysfs_get_active_two(attr_sd))
+	if (!sysfs_get_active(attr_sd))
 		goto trigger;
 
 	poll_wait(filp, &od->poll, wait);
 
-	sysfs_put_active_two(attr_sd);
+	sysfs_put_active(attr_sd);
 
 	if (buffer->event != atomic_read(&od->event))
 		goto trigger;
@@ -509,6 +509,7 @@ int sysfs_add_file_mode(struct sysfs_dirent *dir_sd,
 	if (!sd)
 		return -ENOMEM;
 	sd->s_attr.attr = (void *)attr;
+	sysfs_dirent_init_lockdep(sd);
 
 	sysfs_addrm_start(&acxt, dir_sd);
 	rc = sysfs_add_one(&acxt, sd);
@@ -542,6 +543,18 @@ int sysfs_create_file(struct kobject * kobj, const struct attribute * attr)
 
 }
 
+int sysfs_create_files(struct kobject *kobj, const struct attribute **ptr)
+{
+	int err = 0;
+	int i;
+
+	for (i = 0; ptr[i] && !err; i++)
+		err = sysfs_create_file(kobj, ptr[i]);
+	if (err)
+		while (--i >= 0)
+			sysfs_remove_file(kobj, ptr[i]);
+	return err;
+}
 
 /**
  * sysfs_add_file_to_group - add an attribute file to a pre-existing group.
@@ -614,6 +627,12 @@ void sysfs_remove_file(struct kobject * kobj, const struct attribute * attr)
 	sysfs_hash_and_remove(kobj->sd, attr->name);
 }
 
+void sysfs_remove_files(struct kobject * kobj, const struct attribute **ptr)
+{
+	int i;
+	for (i = 0; ptr[i]; i++)
+		sysfs_remove_file(kobj, ptr[i]);
+}
 
 /**
  * sysfs_remove_file_from_group - remove an attribute file from a group.
@@ -732,3 +751,5 @@ EXPORT_SYMBOL_GPL(sysfs_schedule_callback);
 
 EXPORT_SYMBOL_GPL(sysfs_create_file);
 EXPORT_SYMBOL_GPL(sysfs_remove_file);
+EXPORT_SYMBOL_GPL(sysfs_remove_files);
+EXPORT_SYMBOL_GPL(sysfs_create_files);
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index 6a06a1d1ea7b..082daaecac1b 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -111,20 +111,20 @@ int sysfs_setattr(struct dentry *dentry, struct iattr *iattr)
 	if (!sd)
 		return -EINVAL;
 
+	mutex_lock(&sysfs_mutex);
 	error = inode_change_ok(inode, iattr);
 	if (error)
-		return error;
+		goto out;
 
 	iattr->ia_valid &= ~ATTR_SIZE; /* ignore size changes */
 
 	error = inode_setattr(inode, iattr);
 	if (error)
-		return error;
+		goto out;
 
-	mutex_lock(&sysfs_mutex);
 	error = sysfs_sd_setattr(sd, iattr);
+out:
 	mutex_unlock(&sysfs_mutex);
-
 	return error;
 }
 
@@ -283,6 +283,7 @@ static void sysfs_init_inode(struct sysfs_dirent *sd, struct inode *inode)
 
 /**
  *	sysfs_get_inode - get inode for sysfs_dirent
+ *	@sb: super block
  *	@sd: sysfs_dirent to allocate inode for
  *
  *	Get inode for @sd.  If such inode doesn't exist, a new inode
@@ -295,11 +296,11 @@ static void sysfs_init_inode(struct sysfs_dirent *sd, struct inode *inode)
  *	RETURNS:
  *	Pointer to allocated inode on success, NULL on failure.
  */
-struct inode * sysfs_get_inode(struct sysfs_dirent *sd)
+struct inode * sysfs_get_inode(struct super_block *sb, struct sysfs_dirent *sd)
 {
 	struct inode *inode;
 
-	inode = iget_locked(sysfs_sb, sd->s_ino);
+	inode = iget_locked(sb, sd->s_ino);
 	if (inode && (inode->i_state & I_NEW))
 		sysfs_init_inode(sd, inode);
 
diff --git a/fs/sysfs/mount.c b/fs/sysfs/mount.c
index 49749955ccaf..0cb10884a2fc 100644
--- a/fs/sysfs/mount.c
+++ b/fs/sysfs/mount.c
@@ -23,7 +23,6 @@
 
 
 static struct vfsmount *sysfs_mount;
-struct super_block * sysfs_sb = NULL;
 struct kmem_cache *sysfs_dir_cachep;
 
 static const struct super_operations sysfs_ops = {
@@ -50,11 +49,10 @@ static int sysfs_fill_super(struct super_block *sb, void *data, int silent)
 	sb->s_magic = SYSFS_MAGIC;
 	sb->s_op = &sysfs_ops;
 	sb->s_time_gran = 1;
-	sysfs_sb = sb;
 
 	/* get root inode, initialize and unlock it */
 	mutex_lock(&sysfs_mutex);
-	inode = sysfs_get_inode(&sysfs_root);
+	inode = sysfs_get_inode(sb, &sysfs_root);
 	mutex_unlock(&sysfs_mutex);
 	if (!inode) {
 		pr_debug("sysfs: could not get root inode\n");
diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c
index c5eff49fa41b..1b9a3a1e8a17 100644
--- a/fs/sysfs/symlink.c
+++ b/fs/sysfs/symlink.c
@@ -123,6 +123,44 @@ void sysfs_remove_link(struct kobject * kobj, const char * name)
 	sysfs_hash_and_remove(parent_sd, name);
 }
 
+/**
+ *	sysfs_rename_link - rename symlink in object's directory.
+ *	@kobj:	object we're acting for.
+ *	@targ:	object we're pointing to.
+ *	@old:	previous name of the symlink.
+ *	@new:	new name of the symlink.
+ *
+ *	A helper function for the common rename symlink idiom.
+ */
+int sysfs_rename_link(struct kobject *kobj, struct kobject *targ,
+			const char *old, const char *new)
+{
+	struct sysfs_dirent *parent_sd, *sd = NULL;
+	int result;
+
+	if (!kobj)
+		parent_sd = &sysfs_root;
+	else
+		parent_sd = kobj->sd;
+
+	result = -ENOENT;
+	sd = sysfs_get_dirent(parent_sd, old);
+	if (!sd)
+		goto out;
+
+	result = -EINVAL;
+	if (sysfs_type(sd) != SYSFS_KOBJ_LINK)
+		goto out;
+	if (sd->s_symlink.target_sd->s_dir.kobj != targ)
+		goto out;
+
+	result = sysfs_rename(sd, parent_sd, new);
+
+out:
+	sysfs_put(sd);
+	return result;
+}
+
 static int sysfs_get_target_path(struct sysfs_dirent *parent_sd,
 				 struct sysfs_dirent *target_sd, char *path)
 {
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index cdd9377a6e06..30f5a44fb5d3 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -66,8 +66,8 @@ struct sysfs_dirent {
 	};
 
 	unsigned int		s_flags;
+	unsigned short		s_mode;
 	ino_t			s_ino;
-	umode_t			s_mode;
 	struct sysfs_inode_attrs *s_iattr;
 };
 
@@ -79,6 +79,7 @@ struct sysfs_dirent {
 #define SYSFS_KOBJ_BIN_ATTR		0x0004
 #define SYSFS_KOBJ_LINK			0x0008
 #define SYSFS_COPY_NAME			(SYSFS_DIR | SYSFS_KOBJ_LINK)
+#define SYSFS_ACTIVE_REF		(SYSFS_KOBJ_ATTR | SYSFS_KOBJ_BIN_ATTR)
 
 #define SYSFS_FLAG_MASK			~SYSFS_TYPE_MASK
 #define SYSFS_FLAG_REMOVED		0x0200
@@ -91,9 +92,12 @@ static inline unsigned int sysfs_type(struct sysfs_dirent *sd)
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 #define sysfs_dirent_init_lockdep(sd)				\
 do {								\
-	static struct lock_class_key __key;			\
+	struct attribute *attr = sd->s_attr.attr;		\
+	struct lock_class_key *key = attr->key;			\
+	if (!key)						\
+		key = &attr->skey;				\
 								\
-	lockdep_init_map(&sd->dep_map, "s_active", &__key, 0);	\
+	lockdep_init_map(&sd->dep_map, "s_active", key, 0);	\
 } while(0)
 #else
 #define sysfs_dirent_init_lockdep(sd) do {} while(0)
@@ -111,7 +115,6 @@ struct sysfs_addrm_cxt {
  * mount.c
  */
 extern struct sysfs_dirent sysfs_root;
-extern struct super_block *sysfs_sb;
 extern struct kmem_cache *sysfs_dir_cachep;
 
 /*
@@ -124,8 +127,8 @@ extern const struct file_operations sysfs_dir_operations;
 extern const struct inode_operations sysfs_dir_inode_operations;
 
 struct dentry *sysfs_get_dentry(struct sysfs_dirent *sd);
-struct sysfs_dirent *sysfs_get_active_two(struct sysfs_dirent *sd);
-void sysfs_put_active_two(struct sysfs_dirent *sd);
+struct sysfs_dirent *sysfs_get_active(struct sysfs_dirent *sd);
+void sysfs_put_active(struct sysfs_dirent *sd);
 void sysfs_addrm_start(struct sysfs_addrm_cxt *acxt,
 		       struct sysfs_dirent *parent_sd);
 int __sysfs_add_one(struct sysfs_addrm_cxt *acxt, struct sysfs_dirent *sd);
@@ -168,7 +171,7 @@ static inline void __sysfs_put(struct sysfs_dirent *sd)
 /*
  * inode.c
  */
-struct inode *sysfs_get_inode(struct sysfs_dirent *sd);
+struct inode *sysfs_get_inode(struct super_block *sb, struct sysfs_dirent *sd);
 void sysfs_delete_inode(struct inode *inode);
 int sysfs_sd_setattr(struct sysfs_dirent *sd, struct iattr *iattr);
 int sysfs_permission(struct inode *inode, int mask);
diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c
index 9824743832a7..4573734d723d 100644
--- a/fs/sysv/inode.c
+++ b/fs/sysv/inode.c
@@ -26,6 +26,7 @@
 #include <linux/init.h>
 #include <linux/buffer_head.h>
 #include <linux/vfs.h>
+#include <linux/writeback.h>
 #include <linux/namei.h>
 #include <asm/byteorder.h>
 #include "sysv.h"
@@ -246,7 +247,7 @@ bad_inode:
 	return ERR_PTR(-EIO);
 }
 
-int sysv_write_inode(struct inode *inode, int wait)
+static int __sysv_write_inode(struct inode *inode, int wait)
 {
 	struct super_block * sb = inode->i_sb;
 	struct sysv_sb_info * sbi = SYSV_SB(sb);
@@ -296,9 +297,14 @@ int sysv_write_inode(struct inode *inode, int wait)
 	return 0;
 }
 
+int sysv_write_inode(struct inode *inode, struct writeback_control *wbc)
+{
+	return __sysv_write_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
+}
+
 int sysv_sync_inode(struct inode *inode)
 {
-	return sysv_write_inode(inode, 1);
+	return __sysv_write_inode(inode, 1);
 }
 
 static void sysv_delete_inode(struct inode *inode)
diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h
index 53786eb5cf60..94cb9b4d76c2 100644
--- a/fs/sysv/sysv.h
+++ b/fs/sysv/sysv.h
@@ -142,7 +142,7 @@ extern int __sysv_write_begin(struct file *file, struct address_space *mapping,
 
 /* inode.c */
 extern struct inode *sysv_iget(struct super_block *, unsigned int);
-extern int sysv_write_inode(struct inode *, int);
+extern int sysv_write_inode(struct inode *, struct writeback_control *wbc);
 extern int sysv_sync_inode(struct inode *);
 extern void sysv_set_inode(struct inode *, dev_t);
 extern int sysv_getattr(struct vfsmount *, struct dentry *, struct kstat *);
diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c
index 552fb0111fff..401e503d44a1 100644
--- a/fs/ubifs/dir.c
+++ b/fs/ubifs/dir.c
@@ -1120,7 +1120,7 @@ static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	if (release)
 		ubifs_release_budget(c, &ino_req);
 	if (IS_SYNC(old_inode))
-		err = old_inode->i_sb->s_op->write_inode(old_inode, 1);
+		err = old_inode->i_sb->s_op->write_inode(old_inode, NULL);
 	return err;
 
 out_cancel:
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 16a6444330ec..e26c02ab6cd5 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1011,7 +1011,7 @@ static int ubifs_writepage(struct page *page, struct writeback_control *wbc)
 	/* Is the page fully inside @i_size? */
 	if (page->index < end_index) {
 		if (page->index >= synced_i_size >> PAGE_CACHE_SHIFT) {
-			err = inode->i_sb->s_op->write_inode(inode, 1);
+			err = inode->i_sb->s_op->write_inode(inode, NULL);
 			if (err)
 				goto out_unlock;
 			/*
@@ -1039,7 +1039,7 @@ static int ubifs_writepage(struct page *page, struct writeback_control *wbc)
 	kunmap_atomic(kaddr, KM_USER0);
 
 	if (i_size > synced_i_size) {
-		err = inode->i_sb->s_op->write_inode(inode, 1);
+		err = inode->i_sb->s_op->write_inode(inode, NULL);
 		if (err)
 			goto out_unlock;
 	}
@@ -1242,7 +1242,7 @@ static int do_setattr(struct ubifs_info *c, struct inode *inode,
 	if (release)
 		ubifs_release_budget(c, &req);
 	if (IS_SYNC(inode))
-		err = inode->i_sb->s_op->write_inode(inode, 1);
+		err = inode->i_sb->s_op->write_inode(inode, NULL);
 	return err;
 
 out:
@@ -1316,7 +1316,7 @@ int ubifs_fsync(struct file *file, struct dentry *dentry, int datasync)
 	 * the inode unless this is a 'datasync()' call.
 	 */
 	if (!datasync || (inode->i_state & I_DIRTY_DATASYNC)) {
-		err = inode->i_sb->s_op->write_inode(inode, 1);
+		err = inode->i_sb->s_op->write_inode(inode, NULL);
 		if (err)
 			return err;
 	}
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index 43f9d19a6f33..4d2f2157dd3f 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -283,7 +283,7 @@ static void ubifs_destroy_inode(struct inode *inode)
 /*
  * Note, Linux write-back code calls this without 'i_mutex'.
  */
-static int ubifs_write_inode(struct inode *inode, int wait)
+static int ubifs_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	int err = 0;
 	struct ubifs_info *c = inode->i_sb->s_fs_info;
diff --git a/fs/udf/balloc.c b/fs/udf/balloc.c
index 82372e332f08..19626e2491c4 100644
--- a/fs/udf/balloc.c
+++ b/fs/udf/balloc.c
@@ -31,55 +31,8 @@
 #define udf_clear_bit(nr, addr) ext2_clear_bit(nr, addr)
 #define udf_set_bit(nr, addr) ext2_set_bit(nr, addr)
 #define udf_test_bit(nr, addr) ext2_test_bit(nr, addr)
-#define udf_find_first_one_bit(addr, size) find_first_one_bit(addr, size)
 #define udf_find_next_one_bit(addr, size, offset) \
-		find_next_one_bit(addr, size, offset)
-
-#define leBPL_to_cpup(x) leNUM_to_cpup(BITS_PER_LONG, x)
-#define leNUM_to_cpup(x, y) xleNUM_to_cpup(x, y)
-#define xleNUM_to_cpup(x, y) (le ## x ## _to_cpup(y))
-#define uintBPL_t uint(BITS_PER_LONG)
-#define uint(x) xuint(x)
-#define xuint(x) __le ## x
-
-static inline int find_next_one_bit(void *addr, int size, int offset)
-{
-	uintBPL_t *p = ((uintBPL_t *) addr) + (offset / BITS_PER_LONG);
-	int result = offset & ~(BITS_PER_LONG - 1);
-	unsigned long tmp;
-
-	if (offset >= size)
-		return size;
-	size -= result;
-	offset &= (BITS_PER_LONG - 1);
-	if (offset) {
-		tmp = leBPL_to_cpup(p++);
-		tmp &= ~0UL << offset;
-		if (size < BITS_PER_LONG)
-			goto found_first;
-		if (tmp)
-			goto found_middle;
-		size -= BITS_PER_LONG;
-		result += BITS_PER_LONG;
-	}
-	while (size & ~(BITS_PER_LONG - 1)) {
-		tmp = leBPL_to_cpup(p++);
-		if (tmp)
-			goto found_middle;
-		result += BITS_PER_LONG;
-		size -= BITS_PER_LONG;
-	}
-	if (!size)
-		return result;
-	tmp = leBPL_to_cpup(p);
-found_first:
-	tmp &= ~0UL >> (BITS_PER_LONG - size);
-found_middle:
-	return result + ffz(~tmp);
-}
-
-#define find_first_one_bit(addr, size)\
-	find_next_one_bit((addr), (size), 0)
+		ext2_find_next_bit(addr, size, offset)
 
 static int read_block_bitmap(struct super_block *sb,
 			     struct udf_bitmap *bitmap, unsigned int block,
@@ -208,7 +161,7 @@ static void udf_bitmap_free_blocks(struct super_block *sb,
 					((char *)bh->b_data)[(bit + i) >> 3]);
 			} else {
 				if (inode)
-					vfs_dq_free_block(inode, 1);
+					dquot_free_block(inode, 1);
 				udf_add_free_space(sb, sbi->s_partition, 1);
 			}
 		}
@@ -260,11 +213,11 @@ static int udf_bitmap_prealloc_blocks(struct super_block *sb,
 		while (bit < (sb->s_blocksize << 3) && block_count > 0) {
 			if (!udf_test_bit(bit, bh->b_data))
 				goto out;
-			else if (vfs_dq_prealloc_block(inode, 1))
+			else if (dquot_prealloc_block(inode, 1))
 				goto out;
 			else if (!udf_clear_bit(bit, bh->b_data)) {
 				udf_debug("bit already cleared for block %d\n", bit);
-				vfs_dq_free_block(inode, 1);
+				dquot_free_block(inode, 1);
 				goto out;
 			}
 			block_count--;
@@ -390,10 +343,14 @@ got_block:
 	/*
 	 * Check quota for allocation of this block.
 	 */
-	if (inode && vfs_dq_alloc_block(inode, 1)) {
-		mutex_unlock(&sbi->s_alloc_mutex);
-		*err = -EDQUOT;
-		return 0;
+	if (inode) {
+		int ret = dquot_alloc_block(inode, 1);
+
+		if (ret) {
+			mutex_unlock(&sbi->s_alloc_mutex);
+			*err = ret;
+			return 0;
+		}
 	}
 
 	newblock = bit + (block_group << (sb->s_blocksize_bits + 3)) -
@@ -449,7 +406,7 @@ static void udf_table_free_blocks(struct super_block *sb,
 	/* We do this up front - There are some error conditions that
 	   could occure, but.. oh well */
 	if (inode)
-		vfs_dq_free_block(inode, count);
+		dquot_free_block(inode, count);
 	udf_add_free_space(sb, sbi->s_partition, count);
 
 	start = bloc->logicalBlockNum + offset;
@@ -547,7 +504,7 @@ static void udf_table_free_blocks(struct super_block *sb,
 		}
 
 		if (epos.offset + (2 * adsize) > sb->s_blocksize) {
-			char *sptr, *dptr;
+			unsigned char *sptr, *dptr;
 			int loffset;
 
 			brelse(oepos.bh);
@@ -694,7 +651,7 @@ static int udf_table_prealloc_blocks(struct super_block *sb,
 		epos.offset -= adsize;
 
 		alloc_count = (elen >> sb->s_blocksize_bits);
-		if (inode && vfs_dq_prealloc_block(inode,
+		if (inode && dquot_prealloc_block(inode,
 			alloc_count > block_count ? block_count : alloc_count))
 			alloc_count = 0;
 		else if (alloc_count > block_count) {
@@ -797,12 +754,13 @@ static int udf_table_new_block(struct super_block *sb,
 	newblock = goal_eloc.logicalBlockNum;
 	goal_eloc.logicalBlockNum++;
 	goal_elen -= sb->s_blocksize;
-
-	if (inode && vfs_dq_alloc_block(inode, 1)) {
-		brelse(goal_epos.bh);
-		mutex_unlock(&sbi->s_alloc_mutex);
-		*err = -EDQUOT;
-		return 0;
+	if (inode) {
+		*err = dquot_alloc_block(inode, 1);
+		if (*err) {
+			brelse(goal_epos.bh);
+			mutex_unlock(&sbi->s_alloc_mutex);
+			return 0;
+		}
 	}
 
 	if (goal_elen)
diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index 61d9a76a3a69..f0f2a436251e 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -45,8 +45,8 @@ static int do_udf_readdir(struct inode *dir, struct file *filp,
 	int block, iblock;
 	loff_t nf_pos = (filp->f_pos - 1) << 2;
 	int flen;
-	char *fname = NULL;
-	char *nameptr;
+	unsigned char *fname = NULL;
+	unsigned char *nameptr;
 	uint16_t liu;
 	uint8_t lfi;
 	loff_t size = udf_ext0_offset(dir) + dir->i_size;
diff --git a/fs/udf/file.c b/fs/udf/file.c
index f311d509b6a3..1eb06774ed90 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -34,6 +34,7 @@
 #include <linux/errno.h>
 #include <linux/smp_lock.h>
 #include <linux/pagemap.h>
+#include <linux/quotaops.h>
 #include <linux/buffer_head.h>
 #include <linux/aio.h>
 
@@ -207,7 +208,7 @@ const struct file_operations udf_file_operations = {
 	.read			= do_sync_read,
 	.aio_read		= generic_file_aio_read,
 	.ioctl			= udf_ioctl,
-	.open			= generic_file_open,
+	.open			= dquot_file_open,
 	.mmap			= generic_file_mmap,
 	.write			= do_sync_write,
 	.aio_write		= udf_file_aio_write,
@@ -217,6 +218,29 @@ const struct file_operations udf_file_operations = {
 	.llseek			= generic_file_llseek,
 };
 
+static int udf_setattr(struct dentry *dentry, struct iattr *iattr)
+{
+	struct inode *inode = dentry->d_inode;
+	int error;
+
+	error = inode_change_ok(inode, iattr);
+	if (error)
+		return error;
+
+	if (iattr->ia_valid & ATTR_SIZE)
+		dquot_initialize(inode);
+
+	if ((iattr->ia_valid & ATTR_UID && iattr->ia_uid != inode->i_uid) ||
+            (iattr->ia_valid & ATTR_GID && iattr->ia_gid != inode->i_gid)) {
+		error = dquot_transfer(inode, iattr);
+		if (error)
+			return error;
+	}
+
+	return inode_setattr(inode, iattr);
+}
+
 const struct inode_operations udf_file_inode_operations = {
-	.truncate = udf_truncate,
+	.truncate		= udf_truncate,
+	.setattr		= udf_setattr,
 };
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index c10fa39f97e2..fb68c9cd0c3e 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -36,8 +36,8 @@ void udf_free_inode(struct inode *inode)
 	 * Note: we must free any quota before locking the superblock,
 	 * as writing the quota to disk may need the lock as well.
 	 */
-	vfs_dq_free_inode(inode);
-	vfs_dq_drop(inode);
+	dquot_free_inode(inode);
+	dquot_drop(inode);
 
 	clear_inode(inode);
 
@@ -61,7 +61,7 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
 	struct super_block *sb = dir->i_sb;
 	struct udf_sb_info *sbi = UDF_SB(sb);
 	struct inode *inode;
-	int block;
+	int block, ret;
 	uint32_t start = UDF_I(dir)->i_location.logicalBlockNum;
 	struct udf_inode_info *iinfo;
 	struct udf_inode_info *dinfo = UDF_I(dir);
@@ -153,12 +153,14 @@ struct inode *udf_new_inode(struct inode *dir, int mode, int *err)
 	insert_inode_hash(inode);
 	mark_inode_dirty(inode);
 
-	if (vfs_dq_alloc_inode(inode)) {
-		vfs_dq_drop(inode);
+	dquot_initialize(inode);
+	ret = dquot_alloc_inode(inode);
+	if (ret) {
+		dquot_drop(inode);
 		inode->i_flags |= S_NOQUOTA;
 		inode->i_nlink = 0;
 		iput(inode);
-		*err = -EDQUOT;
+		*err = ret;
 		return NULL;
 	}
 
diff --git a/fs/udf/inode.c b/fs/udf/inode.c
index f90231eb2916..bb863fe579ac 100644
--- a/fs/udf/inode.c
+++ b/fs/udf/inode.c
@@ -36,6 +36,7 @@
 #include <linux/pagemap.h>
 #include <linux/buffer_head.h>
 #include <linux/writeback.h>
+#include <linux/quotaops.h>
 #include <linux/slab.h>
 #include <linux/crc-itu-t.h>
 
@@ -70,6 +71,9 @@ static int udf_get_block(struct inode *, sector_t, struct buffer_head *, int);
 
 void udf_delete_inode(struct inode *inode)
 {
+	if (!is_bad_inode(inode))
+		dquot_initialize(inode);
+
 	truncate_inode_pages(&inode->i_data, 0);
 
 	if (is_bad_inode(inode))
@@ -102,12 +106,14 @@ void udf_clear_inode(struct inode *inode)
 	if (iinfo->i_alloc_type != ICBTAG_FLAG_AD_IN_ICB &&
 	    inode->i_size != iinfo->i_lenExtents) {
 		printk(KERN_WARNING "UDF-fs (%s): Inode %lu (mode %o) has "
-			"inode size %llu different from extent lenght %llu. "
+			"inode size %llu different from extent length %llu. "
 			"Filesystem need not be standards compliant.\n",
 			inode->i_sb->s_id, inode->i_ino, inode->i_mode,
 			(unsigned long long)inode->i_size,
 			(unsigned long long)iinfo->i_lenExtents);
 	}
+
+	dquot_drop(inode);
 	kfree(iinfo->i_ext.i_data);
 	iinfo->i_ext.i_data = NULL;
 }
@@ -1373,12 +1379,12 @@ static mode_t udf_convert_permissions(struct fileEntry *fe)
 	return mode;
 }
 
-int udf_write_inode(struct inode *inode, int sync)
+int udf_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	int ret;
 
 	lock_kernel();
-	ret = udf_update_inode(inode, sync);
+	ret = udf_update_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
 	unlock_kernel();
 
 	return ret;
@@ -1402,20 +1408,19 @@ static int udf_update_inode(struct inode *inode, int do_sync)
 	unsigned char blocksize_bits = inode->i_sb->s_blocksize_bits;
 	struct udf_inode_info *iinfo = UDF_I(inode);
 
-	bh = udf_tread(inode->i_sb,
-			udf_get_lb_pblock(inode->i_sb,
-					  &iinfo->i_location, 0));
+	bh = udf_tgetblk(inode->i_sb,
+			udf_get_lb_pblock(inode->i_sb, &iinfo->i_location, 0));
 	if (!bh) {
-		udf_debug("bread failure\n");
-		return -EIO;
+		udf_debug("getblk failure\n");
+		return -ENOMEM;
 	}
 
-	memset(bh->b_data, 0x00, inode->i_sb->s_blocksize);
-
+	lock_buffer(bh);
+	memset(bh->b_data, 0, inode->i_sb->s_blocksize);
 	fe = (struct fileEntry *)bh->b_data;
 	efe = (struct extendedFileEntry *)bh->b_data;
 
-	if (fe->descTag.tagIdent == cpu_to_le16(TAG_IDENT_USE)) {
+	if (iinfo->i_use) {
 		struct unallocSpaceEntry *use =
 			(struct unallocSpaceEntry *)bh->b_data;
 
@@ -1423,20 +1428,18 @@ static int udf_update_inode(struct inode *inode, int do_sync)
 		memcpy(bh->b_data + sizeof(struct unallocSpaceEntry),
 		       iinfo->i_ext.i_data, inode->i_sb->s_blocksize -
 					sizeof(struct unallocSpaceEntry));
+		use->descTag.tagIdent = cpu_to_le16(TAG_IDENT_USE);
+		use->descTag.tagLocation =
+				cpu_to_le32(iinfo->i_location.logicalBlockNum);
 		crclen = sizeof(struct unallocSpaceEntry) +
 				iinfo->i_lenAlloc - sizeof(struct tag);
-		use->descTag.tagLocation = cpu_to_le32(
-						iinfo->i_location.
-							logicalBlockNum);
 		use->descTag.descCRCLength = cpu_to_le16(crclen);
 		use->descTag.descCRC = cpu_to_le16(crc_itu_t(0, (char *)use +
 							   sizeof(struct tag),
 							   crclen));
 		use->descTag.tagChecksum = udf_tag_checksum(&use->descTag);
 
-		mark_buffer_dirty(bh);
-		brelse(bh);
-		return err;
+		goto out;
 	}
 
 	if (UDF_QUERY_FLAG(inode->i_sb, UDF_FLAG_UID_FORGET))
@@ -1591,18 +1594,21 @@ static int udf_update_inode(struct inode *inode, int do_sync)
 	fe->descTag.tagSerialNum = cpu_to_le16(sbi->s_serial_number);
 	fe->descTag.tagLocation = cpu_to_le32(
 					iinfo->i_location.logicalBlockNum);
-	crclen += iinfo->i_lenEAttr + iinfo->i_lenAlloc -
-								sizeof(struct tag);
+	crclen += iinfo->i_lenEAttr + iinfo->i_lenAlloc - sizeof(struct tag);
 	fe->descTag.descCRCLength = cpu_to_le16(crclen);
 	fe->descTag.descCRC = cpu_to_le16(crc_itu_t(0, (char *)fe + sizeof(struct tag),
 						  crclen));
 	fe->descTag.tagChecksum = udf_tag_checksum(&fe->descTag);
 
+out:
+	set_buffer_uptodate(bh);
+	unlock_buffer(bh);
+
 	/* write the data blocks */
 	mark_buffer_dirty(bh);
 	if (do_sync) {
 		sync_dirty_buffer(bh);
-		if (buffer_req(bh) && !buffer_uptodate(bh)) {
+		if (buffer_write_io_error(bh)) {
 			printk(KERN_WARNING "IO error syncing udf inode "
 				"[%s:%08lx]\n", inode->i_sb->s_id,
 				inode->i_ino);
@@ -1672,7 +1678,7 @@ int8_t udf_add_aext(struct inode *inode, struct extent_position *epos,
 		return -1;
 
 	if (epos->offset + (2 * adsize) > inode->i_sb->s_blocksize) {
-		char *sptr, *dptr;
+		unsigned char *sptr, *dptr;
 		struct buffer_head *nbh;
 		int err, loffset;
 		struct kernel_lb_addr obloc = epos->block;
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index cd2115060fdc..db423ab078b1 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -34,8 +34,8 @@
 #include <linux/crc-itu-t.h>
 #include <linux/exportfs.h>
 
-static inline int udf_match(int len1, const char *name1, int len2,
-			    const char *name2)
+static inline int udf_match(int len1, const unsigned char *name1, int len2,
+			    const unsigned char *name2)
 {
 	if (len1 != len2)
 		return 0;
@@ -142,15 +142,15 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi,
 }
 
 static struct fileIdentDesc *udf_find_entry(struct inode *dir,
-					    struct qstr *child,
+					    const struct qstr *child,
 					    struct udf_fileident_bh *fibh,
 					    struct fileIdentDesc *cfi)
 {
 	struct fileIdentDesc *fi = NULL;
 	loff_t f_pos;
 	int block, flen;
-	char *fname = NULL;
-	char *nameptr;
+	unsigned char *fname = NULL;
+	unsigned char *nameptr;
 	uint8_t lfi;
 	uint16_t liu;
 	loff_t size;
@@ -308,7 +308,7 @@ static struct fileIdentDesc *udf_add_entry(struct inode *dir,
 {
 	struct super_block *sb = dir->i_sb;
 	struct fileIdentDesc *fi = NULL;
-	char *name = NULL;
+	unsigned char *name = NULL;
 	int namelen;
 	loff_t f_pos;
 	loff_t size = udf_ext0_offset(dir) + dir->i_size;
@@ -563,6 +563,8 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode,
 	int err;
 	struct udf_inode_info *iinfo;
 
+	dquot_initialize(dir);
+
 	lock_kernel();
 	inode = udf_new_inode(dir, mode, &err);
 	if (!inode) {
@@ -616,6 +618,8 @@ static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode,
 	if (!old_valid_dev(rdev))
 		return -EINVAL;
 
+	dquot_initialize(dir);
+
 	lock_kernel();
 	err = -EIO;
 	inode = udf_new_inode(dir, mode, &err);
@@ -662,6 +666,8 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode)
 	struct udf_inode_info *dinfo = UDF_I(dir);
 	struct udf_inode_info *iinfo;
 
+	dquot_initialize(dir);
+
 	lock_kernel();
 	err = -EMLINK;
 	if (dir->i_nlink >= (256 << sizeof(dir->i_nlink)) - 1)
@@ -799,6 +805,8 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry)
 	struct fileIdentDesc *fi, cfi;
 	struct kernel_lb_addr tloc;
 
+	dquot_initialize(dir);
+
 	retval = -ENOENT;
 	lock_kernel();
 	fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);
@@ -845,6 +853,8 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry)
 	struct fileIdentDesc cfi;
 	struct kernel_lb_addr tloc;
 
+	dquot_initialize(dir);
+
 	retval = -ENOENT;
 	lock_kernel();
 	fi = udf_find_entry(dir, &dentry->d_name, &fibh, &cfi);
@@ -885,20 +895,22 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
 {
 	struct inode *inode;
 	struct pathComponent *pc;
-	char *compstart;
+	const char *compstart;
 	struct udf_fileident_bh fibh;
 	struct extent_position epos = {};
 	int eoffset, elen = 0;
 	struct fileIdentDesc *fi;
 	struct fileIdentDesc cfi;
-	char *ea;
+	uint8_t *ea;
 	int err;
 	int block;
-	char *name = NULL;
+	unsigned char *name = NULL;
 	int namelen;
 	struct buffer_head *bh;
 	struct udf_inode_info *iinfo;
 
+	dquot_initialize(dir);
+
 	lock_kernel();
 	inode = udf_new_inode(dir, S_IFLNK, &err);
 	if (!inode)
@@ -970,7 +982,7 @@ static int udf_symlink(struct inode *dir, struct dentry *dentry,
 
 		pc = (struct pathComponent *)(ea + elen);
 
-		compstart = (char *)symname;
+		compstart = symname;
 
 		do {
 			symname++;
@@ -1069,6 +1081,8 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir,
 	int err;
 	struct buffer_head *bh;
 
+	dquot_initialize(dir);
+
 	lock_kernel();
 	if (inode->i_nlink >= (256 << sizeof(inode->i_nlink)) - 1) {
 		unlock_kernel();
@@ -1131,6 +1145,9 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry,
 	struct kernel_lb_addr tloc;
 	struct udf_inode_info *old_iinfo = UDF_I(old_inode);
 
+	dquot_initialize(old_dir);
+	dquot_initialize(new_dir);
+
 	lock_kernel();
 	ofi = udf_find_entry(old_dir, &old_dentry->d_name, &ofibh, &ocfi);
 	if (ofi) {
diff --git a/fs/udf/symlink.c b/fs/udf/symlink.c
index c3265e1385d4..852e91845688 100644
--- a/fs/udf/symlink.c
+++ b/fs/udf/symlink.c
@@ -32,12 +32,12 @@
 #include <linux/buffer_head.h>
 #include "udf_i.h"
 
-static void udf_pc_to_char(struct super_block *sb, char *from, int fromlen,
-			   char *to)
+static void udf_pc_to_char(struct super_block *sb, unsigned char *from,
+			   int fromlen, unsigned char *to)
 {
 	struct pathComponent *pc;
 	int elen = 0;
-	char *p = to;
+	unsigned char *p = to;
 
 	while (elen < fromlen) {
 		pc = (struct pathComponent *)(from + elen);
@@ -75,9 +75,9 @@ static int udf_symlink_filler(struct file *file, struct page *page)
 {
 	struct inode *inode = page->mapping->host;
 	struct buffer_head *bh = NULL;
-	char *symlink;
+	unsigned char *symlink;
 	int err = -EIO;
-	char *p = kmap(page);
+	unsigned char *p = kmap(page);
 	struct udf_inode_info *iinfo;
 
 	lock_kernel();
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 8d46f4294ee7..4223ac855da9 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -142,7 +142,7 @@ extern void udf_truncate(struct inode *);
 extern void udf_read_inode(struct inode *);
 extern void udf_delete_inode(struct inode *);
 extern void udf_clear_inode(struct inode *);
-extern int udf_write_inode(struct inode *, int);
+extern int udf_write_inode(struct inode *, struct writeback_control *wbc);
 extern long udf_block_map(struct inode *, sector_t);
 extern int udf_extend_file(struct inode *, struct extent_position *,
 			   struct kernel_long_ad *, sector_t);
diff --git a/fs/ufs/balloc.c b/fs/ufs/balloc.c
index 54c16ec95dff..5cfa4d85ccf2 100644
--- a/fs/ufs/balloc.c
+++ b/fs/ufs/balloc.c
@@ -85,7 +85,7 @@ void ufs_free_fragments(struct inode *inode, u64 fragment, unsigned count)
 				   "bit already cleared for fragment %u", i);
 	}
 	
-	vfs_dq_free_block(inode, count);
+	dquot_free_block(inode, count);
 
 	
 	fs32_add(sb, &ucg->cg_cs.cs_nffree, count);
@@ -195,7 +195,7 @@ do_more:
 		ubh_setblock(UCPI_UBH(ucpi), ucpi->c_freeoff, blkno);
 		if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD)
 			ufs_clusteracct (sb, ucpi, blkno, 1);
-		vfs_dq_free_block(inode, uspi->s_fpb);
+		dquot_free_block(inode, uspi->s_fpb);
 
 		fs32_add(sb, &ucg->cg_cs.cs_nbfree, 1);
 		uspi->cs_total.cs_nbfree++;
@@ -511,6 +511,7 @@ static u64 ufs_add_fragments(struct inode *inode, u64 fragment,
 	struct ufs_cg_private_info * ucpi;
 	struct ufs_cylinder_group * ucg;
 	unsigned cgno, fragno, fragoff, count, fragsize, i;
+	int ret;
 	
 	UFSD("ENTER, fragment %llu, oldcount %u, newcount %u\n",
 	     (unsigned long long)fragment, oldcount, newcount);
@@ -556,8 +557,9 @@ static u64 ufs_add_fragments(struct inode *inode, u64 fragment,
 		fs32_add(sb, &ucg->cg_frsum[fragsize - count], 1);
 	for (i = oldcount; i < newcount; i++)
 		ubh_clrbit (UCPI_UBH(ucpi), ucpi->c_freeoff, fragno + i);
-	if (vfs_dq_alloc_block(inode, count)) {
-		*err = -EDQUOT;
+	ret = dquot_alloc_block(inode, count);
+	if (ret) {
+		*err = ret;
 		return 0;
 	}
 
@@ -596,6 +598,7 @@ static u64 ufs_alloc_fragments(struct inode *inode, unsigned cgno,
 	struct ufs_cylinder_group * ucg;
 	unsigned oldcg, i, j, k, allocsize;
 	u64 result;
+	int ret;
 	
 	UFSD("ENTER, ino %lu, cgno %u, goal %llu, count %u\n",
 	     inode->i_ino, cgno, (unsigned long long)goal, count);
@@ -664,7 +667,7 @@ cg_found:
 		for (i = count; i < uspi->s_fpb; i++)
 			ubh_setbit (UCPI_UBH(ucpi), ucpi->c_freeoff, goal + i);
 		i = uspi->s_fpb - count;
-		vfs_dq_free_block(inode, i);
+		dquot_free_block(inode, i);
 
 		fs32_add(sb, &ucg->cg_cs.cs_nffree, i);
 		uspi->cs_total.cs_nffree += i;
@@ -676,8 +679,9 @@ cg_found:
 	result = ufs_bitmap_search (sb, ucpi, goal, allocsize);
 	if (result == INVBLOCK)
 		return 0;
-	if (vfs_dq_alloc_block(inode, count)) {
-		*err = -EDQUOT;
+	ret = dquot_alloc_block(inode, count);
+	if (ret) {
+		*err = ret;
 		return 0;
 	}
 	for (i = 0; i < count; i++)
@@ -714,6 +718,7 @@ static u64 ufs_alloccg_block(struct inode *inode,
 	struct ufs_super_block_first * usb1;
 	struct ufs_cylinder_group * ucg;
 	u64 result, blkno;
+	int ret;
 
 	UFSD("ENTER, goal %llu\n", (unsigned long long)goal);
 
@@ -747,8 +752,9 @@ gotit:
 	ubh_clrblock (UCPI_UBH(ucpi), ucpi->c_freeoff, blkno);
 	if ((UFS_SB(sb)->s_flags & UFS_CG_MASK) == UFS_CG_44BSD)
 		ufs_clusteracct (sb, ucpi, blkno, -1);
-	if (vfs_dq_alloc_block(inode, uspi->s_fpb)) {
-		*err = -EDQUOT;
+	ret = dquot_alloc_block(inode, uspi->s_fpb);
+	if (ret) {
+		*err = ret;
 		return INVBLOCK;
 	}
 
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c
index 22af68f8b682..317a0d444f6b 100644
--- a/fs/ufs/dir.c
+++ b/fs/ufs/dir.c
@@ -31,7 +31,7 @@
  * len <= UFS_MAXNAMLEN and de != NULL are guaranteed by caller.
  */
 static inline int ufs_match(struct super_block *sb, int len,
-		const char * const name, struct ufs_dir_entry * de)
+		const unsigned char *name, struct ufs_dir_entry *de)
 {
 	if (len != ufs_get_de_namlen(sb, de))
 		return 0;
@@ -70,7 +70,7 @@ static inline unsigned long ufs_dir_pages(struct inode *inode)
 	return (inode->i_size+PAGE_CACHE_SIZE-1)>>PAGE_CACHE_SHIFT;
 }
 
-ino_t ufs_inode_by_name(struct inode *dir, struct qstr *qstr)
+ino_t ufs_inode_by_name(struct inode *dir, const struct qstr *qstr)
 {
 	ino_t res = 0;
 	struct ufs_dir_entry *de;
@@ -249,11 +249,11 @@ struct ufs_dir_entry *ufs_dotdot(struct inode *dir, struct page **p)
  * (as a parameter - res_dir). Page is returned mapped and unlocked.
  * Entry is guaranteed to be valid.
  */
-struct ufs_dir_entry *ufs_find_entry(struct inode *dir, struct qstr *qstr,
+struct ufs_dir_entry *ufs_find_entry(struct inode *dir, const struct qstr *qstr,
 				     struct page **res_page)
 {
 	struct super_block *sb = dir->i_sb;
-	const char *name = qstr->name;
+	const unsigned char *name = qstr->name;
 	int namelen = qstr->len;
 	unsigned reclen = UFS_DIR_REC_LEN(namelen);
 	unsigned long start, n;
@@ -313,7 +313,7 @@ found:
 int ufs_add_link(struct dentry *dentry, struct inode *inode)
 {
 	struct inode *dir = dentry->d_parent->d_inode;
-	const char *name = dentry->d_name.name;
+	const unsigned char *name = dentry->d_name.name;
 	int namelen = dentry->d_name.len;
 	struct super_block *sb = dir->i_sb;
 	unsigned reclen = UFS_DIR_REC_LEN(namelen);
diff --git a/fs/ufs/file.c b/fs/ufs/file.c
index 73655c61240a..a8962cecde5b 100644
--- a/fs/ufs/file.c
+++ b/fs/ufs/file.c
@@ -24,6 +24,7 @@
  */
 
 #include <linux/fs.h>
+#include <linux/quotaops.h>
 
 #include "ufs_fs.h"
 #include "ufs.h"
@@ -40,7 +41,7 @@ const struct file_operations ufs_file_operations = {
 	.write		= do_sync_write,
 	.aio_write	= generic_file_aio_write,
 	.mmap		= generic_file_mmap,
-	.open           = generic_file_open,
+	.open           = dquot_file_open,
 	.fsync		= simple_fsync,
 	.splice_read	= generic_file_splice_read,
 };
diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c
index 3527c00fef0d..230ecf608026 100644
--- a/fs/ufs/ialloc.c
+++ b/fs/ufs/ialloc.c
@@ -95,8 +95,8 @@ void ufs_free_inode (struct inode * inode)
 
 	is_directory = S_ISDIR(inode->i_mode);
 
-	vfs_dq_free_inode(inode);
-	vfs_dq_drop(inode);
+	dquot_free_inode(inode);
+	dquot_drop(inode);
 
 	clear_inode (inode);
 
@@ -355,9 +355,10 @@ cg_found:
 
 	unlock_super (sb);
 
-	if (vfs_dq_alloc_inode(inode)) {
-		vfs_dq_drop(inode);
-		err = -EDQUOT;
+	dquot_initialize(inode);
+	err = dquot_alloc_inode(inode);
+	if (err) {
+		dquot_drop(inode);
 		goto fail_without_unlock;
 	}
 
diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c
index 7cf33379fd46..80b68c3702d1 100644
--- a/fs/ufs/inode.c
+++ b/fs/ufs/inode.c
@@ -36,6 +36,8 @@
 #include <linux/mm.h>
 #include <linux/smp_lock.h>
 #include <linux/buffer_head.h>
+#include <linux/writeback.h>
+#include <linux/quotaops.h>
 
 #include "ufs_fs.h"
 #include "ufs.h"
@@ -890,11 +892,11 @@ static int ufs_update_inode(struct inode * inode, int do_sync)
 	return 0;
 }
 
-int ufs_write_inode (struct inode * inode, int wait)
+int ufs_write_inode(struct inode *inode, struct writeback_control *wbc)
 {
 	int ret;
 	lock_kernel();
-	ret = ufs_update_inode (inode, wait);
+	ret = ufs_update_inode(inode, wbc->sync_mode == WB_SYNC_ALL);
 	unlock_kernel();
 	return ret;
 }
@@ -908,6 +910,9 @@ void ufs_delete_inode (struct inode * inode)
 {
 	loff_t old_i_size;
 
+	if (!is_bad_inode(inode))
+		dquot_initialize(inode);
+
 	truncate_inode_pages(&inode->i_data, 0);
 	if (is_bad_inode(inode))
 		goto no_delete;
diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index 4c26d9e8bc94..118556243e7a 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -30,6 +30,7 @@
 #include <linux/time.h>
 #include <linux/fs.h>
 #include <linux/smp_lock.h>
+#include <linux/quotaops.h>
 
 #include "ufs_fs.h"
 #include "ufs.h"
@@ -84,6 +85,9 @@ static int ufs_create (struct inode * dir, struct dentry * dentry, int mode,
 	int err;
 
 	UFSD("BEGIN\n");
+
+	dquot_initialize(dir);
+
 	inode = ufs_new_inode(dir, mode);
 	err = PTR_ERR(inode);
 
@@ -107,6 +111,9 @@ static int ufs_mknod (struct inode * dir, struct dentry *dentry, int mode, dev_t
 
 	if (!old_valid_dev(rdev))
 		return -EINVAL;
+
+	dquot_initialize(dir);
+
 	inode = ufs_new_inode(dir, mode);
 	err = PTR_ERR(inode);
 	if (!IS_ERR(inode)) {
@@ -131,6 +138,8 @@ static int ufs_symlink (struct inode * dir, struct dentry * dentry,
 	if (l > sb->s_blocksize)
 		goto out_notlocked;
 
+	dquot_initialize(dir);
+
 	lock_kernel();
 	inode = ufs_new_inode(dir, S_IFLNK | S_IRWXUGO);
 	err = PTR_ERR(inode);
@@ -176,6 +185,8 @@ static int ufs_link (struct dentry * old_dentry, struct inode * dir,
 		return -EMLINK;
 	}
 
+	dquot_initialize(dir);
+
 	inode->i_ctime = CURRENT_TIME_SEC;
 	inode_inc_link_count(inode);
 	atomic_inc(&inode->i_count);
@@ -193,6 +204,8 @@ static int ufs_mkdir(struct inode * dir, struct dentry * dentry, int mode)
 	if (dir->i_nlink >= UFS_LINK_MAX)
 		goto out;
 
+	dquot_initialize(dir);
+
 	lock_kernel();
 	inode_inc_link_count(dir);
 
@@ -237,6 +250,8 @@ static int ufs_unlink(struct inode *dir, struct dentry *dentry)
 	struct page *page;
 	int err = -ENOENT;
 
+	dquot_initialize(dir);
+
 	de = ufs_find_entry(dir, &dentry->d_name, &page);
 	if (!de)
 		goto out;
@@ -281,6 +296,9 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	struct ufs_dir_entry *old_de;
 	int err = -ENOENT;
 
+	dquot_initialize(old_dir);
+	dquot_initialize(new_dir);
+
 	old_de = ufs_find_entry(old_dir, &old_dentry->d_name, &old_page);
 	if (!old_de)
 		goto out;
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 143c20bfb04b..14743d935a93 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -1016,6 +1016,9 @@ magic_found:
 		case UFS_FSSTABLE:
 			UFSD("fs is stable\n");
 			break;
+		case UFS_FSLOG:
+			UFSD("fs is logging fs\n");
+			break;
 		case UFS_FSOSF1:
 			UFSD("fs is DEC OSF/1\n");
 			break;
@@ -1432,6 +1435,11 @@ static void destroy_inodecache(void)
 	kmem_cache_destroy(ufs_inode_cachep);
 }
 
+static void ufs_clear_inode(struct inode *inode)
+{
+	dquot_drop(inode);
+}
+
 #ifdef CONFIG_QUOTA
 static ssize_t ufs_quota_read(struct super_block *, int, char *,size_t, loff_t);
 static ssize_t ufs_quota_write(struct super_block *, int, const char *, size_t, loff_t);
@@ -1442,6 +1450,7 @@ static const struct super_operations ufs_super_ops = {
 	.destroy_inode	= ufs_destroy_inode,
 	.write_inode	= ufs_write_inode,
 	.delete_inode	= ufs_delete_inode,
+	.clear_inode	= ufs_clear_inode,
 	.put_super	= ufs_put_super,
 	.write_super	= ufs_write_super,
 	.sync_fs	= ufs_sync_fs,
diff --git a/fs/ufs/truncate.c b/fs/ufs/truncate.c
index 41dd431ce228..d3b6270cb377 100644
--- a/fs/ufs/truncate.c
+++ b/fs/ufs/truncate.c
@@ -44,6 +44,7 @@
 #include <linux/buffer_head.h>
 #include <linux/blkdev.h>
 #include <linux/sched.h>
+#include <linux/quotaops.h>
 
 #include "ufs_fs.h"
 #include "ufs.h"
@@ -517,9 +518,18 @@ static int ufs_setattr(struct dentry *dentry, struct iattr *attr)
 	if (error)
 		return error;
 
+	if ((ia_valid & ATTR_UID && attr->ia_uid != inode->i_uid) ||
+	    (ia_valid & ATTR_GID && attr->ia_gid != inode->i_gid)) {
+		error = dquot_transfer(inode, attr);
+		if (error)
+			return error;
+	}
 	if (ia_valid & ATTR_SIZE &&
 	    attr->ia_size != i_size_read(inode)) {
 		loff_t old_i_size = inode->i_size;
+
+		dquot_initialize(inode);
+
 		error = vmtruncate(inode, attr->ia_size);
 		if (error)
 			return error;
diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h
index 0b4c39bc0d9e..43f9f5d5670e 100644
--- a/fs/ufs/ufs.h
+++ b/fs/ufs/ufs.h
@@ -86,9 +86,9 @@ extern void ufs_put_cylinder (struct super_block *, unsigned);
 /* dir.c */
 extern const struct inode_operations ufs_dir_inode_operations;
 extern int ufs_add_link (struct dentry *, struct inode *);
-extern ino_t ufs_inode_by_name(struct inode *, struct qstr *);
+extern ino_t ufs_inode_by_name(struct inode *, const struct qstr *);
 extern int ufs_make_empty(struct inode *, struct inode *);
-extern struct ufs_dir_entry *ufs_find_entry(struct inode *, struct qstr *, struct page **);
+extern struct ufs_dir_entry *ufs_find_entry(struct inode *, const struct qstr *, struct page **);
 extern int ufs_delete_entry(struct inode *, struct ufs_dir_entry *, struct page *);
 extern int ufs_empty_dir (struct inode *);
 extern struct ufs_dir_entry *ufs_dotdot(struct inode *, struct page **);
@@ -106,7 +106,7 @@ extern struct inode * ufs_new_inode (struct inode *, int);
 
 /* inode.c */
 extern struct inode *ufs_iget(struct super_block *, unsigned long);
-extern int ufs_write_inode (struct inode *, int);
+extern int ufs_write_inode (struct inode *, struct writeback_control *);
 extern int ufs_sync_inode (struct inode *);
 extern void ufs_delete_inode (struct inode *);
 extern struct buffer_head * ufs_bread (struct inode *, unsigned, int, int *);
diff --git a/fs/ufs/ufs_fs.h b/fs/ufs/ufs_fs.h
index 54bde1895a80..6943ec677c0b 100644
--- a/fs/ufs/ufs_fs.h
+++ b/fs/ufs/ufs_fs.h
@@ -138,6 +138,7 @@ typedef __u16 __bitwise __fs16;
 
 #define UFS_USEEFT  ((__u16)65535)
 
+/* fs_clean values */
 #define UFS_FSOK      0x7c269d38
 #define UFS_FSACTIVE  ((__s8)0x00)
 #define UFS_FSCLEAN   ((__s8)0x01)
@@ -145,6 +146,11 @@ typedef __u16 __bitwise __fs16;
 #define UFS_FSOSF1    ((__s8)0x03)	/* is this correct for DEC OSF/1? */
 #define UFS_FSBAD     ((__s8)0xff)
 
+/* Solaris-specific fs_clean values */
+#define UFS_FSSUSPEND ((__s8)0xfe)	/* temporarily suspended */
+#define UFS_FSLOG     ((__s8)0xfd)	/* logging fs */
+#define UFS_FSFIX     ((__s8)0xfc)	/* being repaired while mounted */
+
 /* From here to next blank line, s_flags for ufs_sb_info */
 /* directory entry encoding */
 #define UFS_DE_MASK		0x00000010	/* mask for the following */
@@ -227,11 +233,16 @@ typedef __u16 __bitwise __fs16;
  */
 #define ufs_cbtocylno(bno) \
 	((bno) * uspi->s_nspf / uspi->s_spc)
-#define ufs_cbtorpos(bno) \
+#define ufs_cbtorpos(bno)				      \
+	((UFS_SB(sb)->s_flags & UFS_CG_SUN) ?		      \
+	 (((((bno) * uspi->s_nspf % uspi->s_spc) %	      \
+	    uspi->s_nsect) *				      \
+	   uspi->s_nrpos) / uspi->s_nsect)		      \
+	 :						      \
 	((((bno) * uspi->s_nspf % uspi->s_spc / uspi->s_nsect \
 	* uspi->s_trackskew + (bno) * uspi->s_nspf % uspi->s_spc \
 	% uspi->s_nsect * uspi->s_interleave) % uspi->s_nsect \
-	* uspi->s_nrpos) / uspi->s_npsect)
+	  * uspi->s_nrpos) / uspi->s_npsect))
 
 /*
  * The following macros optimize certain frequently calculated
diff --git a/fs/xfs/Makefile b/fs/xfs/Makefile
index 5c5a366aa332..b4769e40e8bc 100644
--- a/fs/xfs/Makefile
+++ b/fs/xfs/Makefile
@@ -105,7 +105,6 @@ xfs-y				+= $(addprefix $(XFS_LINUX)/, \
 				   xfs_globals.o \
 				   xfs_ioctl.o \
 				   xfs_iops.o \
-				   xfs_lrw.o \
 				   xfs_super.o \
 				   xfs_sync.o \
 				   xfs_xattr.o)
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 66abe36c1213..99628508cb11 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -39,6 +39,7 @@
 #include "xfs_iomap.h"
 #include "xfs_vnodeops.h"
 #include "xfs_trace.h"
+#include "xfs_bmap.h"
 #include <linux/mpage.h>
 #include <linux/pagevec.h>
 #include <linux/writeback.h>
@@ -163,14 +164,17 @@ xfs_ioend_new_eof(
 }
 
 /*
- * Update on-disk file size now that data has been written to disk.
- * The current in-memory file size is i_size.  If a write is beyond
- * eof i_new_size will be the intended file size until i_size is
- * updated.  If this write does not extend all the way to the valid
- * file size then restrict this update to the end of the write.
+ * Update on-disk file size now that data has been written to disk.  The
+ * current in-memory file size is i_size.  If a write is beyond eof i_new_size
+ * will be the intended file size until i_size is updated.  If this write does
+ * not extend all the way to the valid file size then restrict this update to
+ * the end of the write.
+ *
+ * This function does not block as blocking on the inode lock in IO completion
+ * can lead to IO completion order dependency deadlocks.. If it can't get the
+ * inode ilock it will return EAGAIN. Callers must handle this.
  */
-
-STATIC void
+STATIC int
 xfs_setfilesize(
 	xfs_ioend_t		*ioend)
 {
@@ -181,16 +185,40 @@ xfs_setfilesize(
 	ASSERT(ioend->io_type != IOMAP_READ);
 
 	if (unlikely(ioend->io_error))
-		return;
+		return 0;
+
+	if (!xfs_ilock_nowait(ip, XFS_ILOCK_EXCL))
+		return EAGAIN;
 
-	xfs_ilock(ip, XFS_ILOCK_EXCL);
 	isize = xfs_ioend_new_eof(ioend);
 	if (isize) {
 		ip->i_d.di_size = isize;
-		xfs_mark_inode_dirty_sync(ip);
+		xfs_mark_inode_dirty(ip);
 	}
 
 	xfs_iunlock(ip, XFS_ILOCK_EXCL);
+	return 0;
+}
+
+/*
+ * Schedule IO completion handling on a xfsdatad if this was
+ * the final hold on this ioend. If we are asked to wait,
+ * flush the workqueue.
+ */
+STATIC void
+xfs_finish_ioend(
+	xfs_ioend_t	*ioend,
+	int		wait)
+{
+	if (atomic_dec_and_test(&ioend->io_remaining)) {
+		struct workqueue_struct *wq;
+
+		wq = (ioend->io_type == IOMAP_UNWRITTEN) ?
+			xfsconvertd_workqueue : xfsdatad_workqueue;
+		queue_work(wq, &ioend->io_work);
+		if (wait)
+			flush_workqueue(wq);
+	}
 }
 
 /*
@@ -198,11 +226,11 @@ xfs_setfilesize(
  */
 STATIC void
 xfs_end_io(
-	struct work_struct	*work)
+	struct work_struct *work)
 {
-	xfs_ioend_t		*ioend =
-		container_of(work, xfs_ioend_t, io_work);
-	struct xfs_inode	*ip = XFS_I(ioend->io_inode);
+	xfs_ioend_t	*ioend = container_of(work, xfs_ioend_t, io_work);
+	struct xfs_inode *ip = XFS_I(ioend->io_inode);
+	int		error = 0;
 
 	/*
 	 * For unwritten extents we need to issue transactions to convert a
@@ -210,7 +238,6 @@ xfs_end_io(
 	 */
 	if (ioend->io_type == IOMAP_UNWRITTEN &&
 	    likely(!ioend->io_error && !XFS_FORCED_SHUTDOWN(ip->i_mount))) {
-		int error;
 
 		error = xfs_iomap_write_unwritten(ip, ioend->io_offset,
 						 ioend->io_size);
@@ -222,30 +249,23 @@ xfs_end_io(
 	 * We might have to update the on-disk file size after extending
 	 * writes.
 	 */
-	if (ioend->io_type != IOMAP_READ)
-		xfs_setfilesize(ioend);
-	xfs_destroy_ioend(ioend);
-}
-
-/*
- * Schedule IO completion handling on a xfsdatad if this was
- * the final hold on this ioend. If we are asked to wait,
- * flush the workqueue.
- */
-STATIC void
-xfs_finish_ioend(
-	xfs_ioend_t	*ioend,
-	int		wait)
-{
-	if (atomic_dec_and_test(&ioend->io_remaining)) {
-		struct workqueue_struct *wq;
-
-		wq = (ioend->io_type == IOMAP_UNWRITTEN) ?
-			xfsconvertd_workqueue : xfsdatad_workqueue;
-		queue_work(wq, &ioend->io_work);
-		if (wait)
-			flush_workqueue(wq);
+	if (ioend->io_type != IOMAP_READ) {
+		error = xfs_setfilesize(ioend);
+		ASSERT(!error || error == EAGAIN);
 	}
+
+	/*
+	 * If we didn't complete processing of the ioend, requeue it to the
+	 * tail of the workqueue for another attempt later. Otherwise destroy
+	 * it.
+	 */
+	if (error == EAGAIN) {
+		atomic_inc(&ioend->io_remaining);
+		xfs_finish_ioend(ioend, 0);
+		/* ensure we don't spin on blocked ioends */
+		delay(1);
+	} else
+		xfs_destroy_ioend(ioend);
 }
 
 /*
@@ -341,7 +361,7 @@ xfs_submit_ioend_bio(
 	 * but don't update the inode size until I/O completion.
 	 */
 	if (xfs_ioend_new_eof(ioend))
-		xfs_mark_inode_dirty_sync(XFS_I(ioend->io_inode));
+		xfs_mark_inode_dirty(XFS_I(ioend->io_inode));
 
 	submit_bio(wbc->sync_mode == WB_SYNC_ALL ?
 		   WRITE_SYNC_PLUG : WRITE, bio);
@@ -874,6 +894,125 @@ xfs_cluster_write(
 	}
 }
 
+STATIC void
+xfs_vm_invalidatepage(
+	struct page		*page,
+	unsigned long		offset)
+{
+	trace_xfs_invalidatepage(page->mapping->host, page, offset);
+	block_invalidatepage(page, offset);
+}
+
+/*
+ * If the page has delalloc buffers on it, we need to punch them out before we
+ * invalidate the page. If we don't, we leave a stale delalloc mapping on the
+ * inode that can trip a BUG() in xfs_get_blocks() later on if a direct IO read
+ * is done on that same region - the delalloc extent is returned when none is
+ * supposed to be there.
+ *
+ * We prevent this by truncating away the delalloc regions on the page before
+ * invalidating it. Because they are delalloc, we can do this without needing a
+ * transaction. Indeed - if we get ENOSPC errors, we have to be able to do this
+ * truncation without a transaction as there is no space left for block
+ * reservation (typically why we see a ENOSPC in writeback).
+ *
+ * This is not a performance critical path, so for now just do the punching a
+ * buffer head at a time.
+ */
+STATIC void
+xfs_aops_discard_page(
+	struct page		*page)
+{
+	struct inode		*inode = page->mapping->host;
+	struct xfs_inode	*ip = XFS_I(inode);
+	struct buffer_head	*bh, *head;
+	loff_t			offset = page_offset(page);
+	ssize_t			len = 1 << inode->i_blkbits;
+
+	if (!xfs_is_delayed_page(page, IOMAP_DELAY))
+		goto out_invalidate;
+
+	if (XFS_FORCED_SHUTDOWN(ip->i_mount))
+		goto out_invalidate;
+
+	xfs_fs_cmn_err(CE_ALERT, ip->i_mount,
+		"page discard on page %p, inode 0x%llx, offset %llu.",
+			page, ip->i_ino, offset);
+
+	xfs_ilock(ip, XFS_ILOCK_EXCL);
+	bh = head = page_buffers(page);
+	do {
+		int		done;
+		xfs_fileoff_t	offset_fsb;
+		xfs_bmbt_irec_t	imap;
+		int		nimaps = 1;
+		int		error;
+		xfs_fsblock_t	firstblock;
+		xfs_bmap_free_t flist;
+
+		if (!buffer_delay(bh))
+			goto next_buffer;
+
+		offset_fsb = XFS_B_TO_FSBT(ip->i_mount, offset);
+
+		/*
+		 * Map the range first and check that it is a delalloc extent
+		 * before trying to unmap the range. Otherwise we will be
+		 * trying to remove a real extent (which requires a
+		 * transaction) or a hole, which is probably a bad idea...
+		 */
+		error = xfs_bmapi(NULL, ip, offset_fsb, 1,
+				XFS_BMAPI_ENTIRE,  NULL, 0, &imap,
+				&nimaps, NULL, NULL);
+
+		if (error) {
+			/* something screwed, just bail */
+			if (!XFS_FORCED_SHUTDOWN(ip->i_mount)) {
+				xfs_fs_cmn_err(CE_ALERT, ip->i_mount,
+				"page discard failed delalloc mapping lookup.");
+			}
+			break;
+		}
+		if (!nimaps) {
+			/* nothing there */
+			goto next_buffer;
+		}
+		if (imap.br_startblock != DELAYSTARTBLOCK) {
+			/* been converted, ignore */
+			goto next_buffer;
+		}
+		WARN_ON(imap.br_blockcount == 0);
+
+		/*
+		 * Note: while we initialise the firstblock/flist pair, they
+		 * should never be used because blocks should never be
+		 * allocated or freed for a delalloc extent and hence we need
+		 * don't cancel or finish them after the xfs_bunmapi() call.
+		 */
+		xfs_bmap_init(&flist, &firstblock);
+		error = xfs_bunmapi(NULL, ip, offset_fsb, 1, 0, 1, &firstblock,
+					&flist, NULL, &done);
+
+		ASSERT(!flist.xbf_count && !flist.xbf_first);
+		if (error) {
+			/* something screwed, just bail */
+			if (!XFS_FORCED_SHUTDOWN(ip->i_mount)) {
+				xfs_fs_cmn_err(CE_ALERT, ip->i_mount,
+			"page discard unable to remove delalloc mapping.");
+			}
+			break;
+		}
+next_buffer:
+		offset += len;
+
+	} while ((bh = bh->b_this_page) != head);
+
+	xfs_iunlock(ip, XFS_ILOCK_EXCL);
+out_invalidate:
+	xfs_vm_invalidatepage(page, 0);
+	return;
+}
+
 /*
  * Calling this without startio set means we are being asked to make a dirty
  * page ready for freeing it's buffers.  When called with startio set then
@@ -1125,7 +1264,7 @@ error:
 	 */
 	if (err != -EAGAIN) {
 		if (!unmapped)
-			block_invalidatepage(page, 0);
+			xfs_aops_discard_page(page);
 		ClearPageUptodate(page);
 	}
 	return err;
@@ -1535,15 +1674,6 @@ xfs_vm_readpages(
 	return mpage_readpages(mapping, pages, nr_pages, xfs_get_blocks);
 }
 
-STATIC void
-xfs_vm_invalidatepage(
-	struct page		*page,
-	unsigned long		offset)
-{
-	trace_xfs_invalidatepage(page->mapping->host, page, offset);
-	block_invalidatepage(page, offset);
-}
-
 const struct address_space_operations xfs_address_space_operations = {
 	.readpage		= xfs_vm_readpage,
 	.readpages		= xfs_vm_readpages,
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index 6f76ba85f193..bd111b7e1daa 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -168,75 +168,6 @@ test_page_region(
 }
 
 /*
- *	Mapping of multi-page buffers into contiguous virtual space
- */
-
-typedef struct a_list {
-	void		*vm_addr;
-	struct a_list	*next;
-} a_list_t;
-
-static a_list_t		*as_free_head;
-static int		as_list_len;
-static DEFINE_SPINLOCK(as_lock);
-
-/*
- *	Try to batch vunmaps because they are costly.
- */
-STATIC void
-free_address(
-	void		*addr)
-{
-	a_list_t	*aentry;
-
-#ifdef CONFIG_XEN
-	/*
-	 * Xen needs to be able to make sure it can get an exclusive
-	 * RO mapping of pages it wants to turn into a pagetable.  If
-	 * a newly allocated page is also still being vmap()ed by xfs,
-	 * it will cause pagetable construction to fail.  This is a
-	 * quick workaround to always eagerly unmap pages so that Xen
-	 * is happy.
-	 */
-	vunmap(addr);
-	return;
-#endif
-
-	aentry = kmalloc(sizeof(a_list_t), GFP_NOWAIT);
-	if (likely(aentry)) {
-		spin_lock(&as_lock);
-		aentry->next = as_free_head;
-		aentry->vm_addr = addr;
-		as_free_head = aentry;
-		as_list_len++;
-		spin_unlock(&as_lock);
-	} else {
-		vunmap(addr);
-	}
-}
-
-STATIC void
-purge_addresses(void)
-{
-	a_list_t	*aentry, *old;
-
-	if (as_free_head == NULL)
-		return;
-
-	spin_lock(&as_lock);
-	aentry = as_free_head;
-	as_free_head = NULL;
-	as_list_len = 0;
-	spin_unlock(&as_lock);
-
-	while ((old = aentry) != NULL) {
-		vunmap(aentry->vm_addr);
-		aentry = aentry->next;
-		kfree(old);
-	}
-}
-
-/*
  *	Internal xfs_buf_t object manipulation
  */
 
@@ -337,7 +268,8 @@ xfs_buf_free(
 		uint		i;
 
 		if (xfs_buf_is_vmapped(bp))
-			free_address(bp->b_addr - bp->b_offset);
+			vm_unmap_ram(bp->b_addr - bp->b_offset,
+					bp->b_page_count);
 
 		for (i = 0; i < bp->b_page_count; i++) {
 			struct page	*page = bp->b_pages[i];
@@ -457,10 +389,8 @@ _xfs_buf_map_pages(
 		bp->b_addr = page_address(bp->b_pages[0]) + bp->b_offset;
 		bp->b_flags |= XBF_MAPPED;
 	} else if (flags & XBF_MAPPED) {
-		if (as_list_len > 64)
-			purge_addresses();
-		bp->b_addr = vmap(bp->b_pages, bp->b_page_count,
-					VM_MAP, PAGE_KERNEL);
+		bp->b_addr = vm_map_ram(bp->b_pages, bp->b_page_count,
+					-1, PAGE_KERNEL);
 		if (unlikely(bp->b_addr == NULL))
 			return -ENOMEM;
 		bp->b_addr += bp->b_offset;
@@ -1955,9 +1885,6 @@ xfsbufd(
 			xfs_buf_iostrategy(bp);
 			count++;
 		}
-
-		if (as_list_len > 0)
-			purge_addresses();
 		if (count)
 			blk_run_address_space(target->bt_mapping);
 
diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c
index 87b8cbd23d4b..846b75aeb2ab 100644
--- a/fs/xfs/linux-2.6/xfs_export.c
+++ b/fs/xfs/linux-2.6/xfs_export.c
@@ -29,6 +29,7 @@
 #include "xfs_vnodeops.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_inode.h"
+#include "xfs_inode_item.h"
 
 /*
  * Note that we only accept fileids which are long enough rather than allow
@@ -215,9 +216,28 @@ xfs_fs_get_parent(
 	return d_obtain_alias(VFS_I(cip));
 }
 
+STATIC int
+xfs_fs_nfs_commit_metadata(
+	struct inode		*inode)
+{
+	struct xfs_inode	*ip = XFS_I(inode);
+	struct xfs_mount	*mp = ip->i_mount;
+	int			error = 0;
+
+	xfs_ilock(ip, XFS_ILOCK_SHARED);
+	if (xfs_ipincount(ip)) {
+		error = _xfs_log_force_lsn(mp, ip->i_itemp->ili_last_lsn,
+				XFS_LOG_SYNC, NULL);
+	}
+	xfs_iunlock(ip, XFS_ILOCK_SHARED);
+
+	return error;
+}
+
 const struct export_operations xfs_export_operations = {
 	.encode_fh		= xfs_fs_encode_fh,
 	.fh_to_dentry		= xfs_fs_fh_to_dentry,
 	.fh_to_parent		= xfs_fs_fh_to_parent,
 	.get_parent		= xfs_fs_get_parent,
+	.commit_metadata	= xfs_fs_nfs_commit_metadata,
 };
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index e4caeb28ce2e..42dd3bcfba6b 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -16,6 +16,7 @@
  * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
 #include "xfs.h"
+#include "xfs_fs.h"
 #include "xfs_bit.h"
 #include "xfs_log.h"
 #include "xfs_inum.h"
@@ -34,52 +35,279 @@
 #include "xfs_dir2_sf.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
+#include "xfs_inode_item.h"
+#include "xfs_bmap.h"
 #include "xfs_error.h"
 #include "xfs_rw.h"
 #include "xfs_vnodeops.h"
 #include "xfs_da_btree.h"
 #include "xfs_ioctl.h"
+#include "xfs_trace.h"
 
 #include <linux/dcache.h>
 
 static const struct vm_operations_struct xfs_file_vm_ops;
 
-STATIC ssize_t
-xfs_file_aio_read(
-	struct kiocb		*iocb,
-	const struct iovec	*iov,
-	unsigned long		nr_segs,
-	loff_t			pos)
+/*
+ *	xfs_iozero
+ *
+ *	xfs_iozero clears the specified range of buffer supplied,
+ *	and marks all the affected blocks as valid and modified.  If
+ *	an affected block is not allocated, it will be allocated.  If
+ *	an affected block is not completely overwritten, and is not
+ *	valid before the operation, it will be read from disk before
+ *	being partially zeroed.
+ */
+STATIC int
+xfs_iozero(
+	struct xfs_inode	*ip,	/* inode			*/
+	loff_t			pos,	/* offset in file		*/
+	size_t			count)	/* size of data to zero		*/
 {
-	struct file		*file = iocb->ki_filp;
-	int			ioflags = 0;
+	struct page		*page;
+	struct address_space	*mapping;
+	int			status;
 
-	BUG_ON(iocb->ki_pos != pos);
-	if (unlikely(file->f_flags & O_DIRECT))
-		ioflags |= IO_ISDIRECT;
-	if (file->f_mode & FMODE_NOCMTIME)
-		ioflags |= IO_INVIS;
-	return xfs_read(XFS_I(file->f_path.dentry->d_inode), iocb, iov,
-				nr_segs, &iocb->ki_pos, ioflags);
+	mapping = VFS_I(ip)->i_mapping;
+	do {
+		unsigned offset, bytes;
+		void *fsdata;
+
+		offset = (pos & (PAGE_CACHE_SIZE -1)); /* Within page */
+		bytes = PAGE_CACHE_SIZE - offset;
+		if (bytes > count)
+			bytes = count;
+
+		status = pagecache_write_begin(NULL, mapping, pos, bytes,
+					AOP_FLAG_UNINTERRUPTIBLE,
+					&page, &fsdata);
+		if (status)
+			break;
+
+		zero_user(page, offset, bytes);
+
+		status = pagecache_write_end(NULL, mapping, pos, bytes, bytes,
+					page, fsdata);
+		WARN_ON(status <= 0); /* can't return less than zero! */
+		pos += bytes;
+		count -= bytes;
+		status = 0;
+	} while (count);
+
+	return (-status);
+}
+
+STATIC int
+xfs_file_fsync(
+	struct file		*file,
+	struct dentry		*dentry,
+	int			datasync)
+{
+	struct xfs_inode	*ip = XFS_I(dentry->d_inode);
+	struct xfs_trans	*tp;
+	int			error = 0;
+	int			log_flushed = 0;
+
+	xfs_itrace_entry(ip);
+
+	if (XFS_FORCED_SHUTDOWN(ip->i_mount))
+		return -XFS_ERROR(EIO);
+
+	xfs_iflags_clear(ip, XFS_ITRUNCATED);
+
+	/*
+	 * We always need to make sure that the required inode state is safe on
+	 * disk.  The inode might be clean but we still might need to force the
+	 * log because of committed transactions that haven't hit the disk yet.
+	 * Likewise, there could be unflushed non-transactional changes to the
+	 * inode core that have to go to disk and this requires us to issue
+	 * a synchronous transaction to capture these changes correctly.
+	 *
+	 * This code relies on the assumption that if the i_update_core field
+	 * of the inode is clear and the inode is unpinned then it is clean
+	 * and no action is required.
+	 */
+	xfs_ilock(ip, XFS_ILOCK_SHARED);
+
+	/*
+	 * First check if the VFS inode is marked dirty.  All the dirtying
+	 * of non-transactional updates no goes through mark_inode_dirty*,
+	 * which allows us to distinguish beteeen pure timestamp updates
+	 * and i_size updates which need to be caught for fdatasync.
+	 * After that also theck for the dirty state in the XFS inode, which
+	 * might gets cleared when the inode gets written out via the AIL
+	 * or xfs_iflush_cluster.
+	 */
+	if (((dentry->d_inode->i_state & I_DIRTY_DATASYNC) ||
+	    ((dentry->d_inode->i_state & I_DIRTY_SYNC) && !datasync)) &&
+	    ip->i_update_core) {
+		/*
+		 * Kick off a transaction to log the inode core to get the
+		 * updates.  The sync transaction will also force the log.
+		 */
+		xfs_iunlock(ip, XFS_ILOCK_SHARED);
+		tp = xfs_trans_alloc(ip->i_mount, XFS_TRANS_FSYNC_TS);
+		error = xfs_trans_reserve(tp, 0,
+				XFS_FSYNC_TS_LOG_RES(ip->i_mount), 0, 0, 0);
+		if (error) {
+			xfs_trans_cancel(tp, 0);
+			return -error;
+		}
+		xfs_ilock(ip, XFS_ILOCK_EXCL);
+
+		/*
+		 * Note - it's possible that we might have pushed ourselves out
+		 * of the way during trans_reserve which would flush the inode.
+		 * But there's no guarantee that the inode buffer has actually
+		 * gone out yet (it's delwri).	Plus the buffer could be pinned
+		 * anyway if it's part of an inode in another recent
+		 * transaction.	 So we play it safe and fire off the
+		 * transaction anyway.
+		 */
+		xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
+		xfs_trans_ihold(tp, ip);
+		xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
+		xfs_trans_set_sync(tp);
+		error = _xfs_trans_commit(tp, 0, &log_flushed);
+
+		xfs_iunlock(ip, XFS_ILOCK_EXCL);
+	} else {
+		/*
+		 * Timestamps/size haven't changed since last inode flush or
+		 * inode transaction commit.  That means either nothing got
+		 * written or a transaction committed which caught the updates.
+		 * If the latter happened and the transaction hasn't hit the
+		 * disk yet, the inode will be still be pinned.  If it is,
+		 * force the log.
+		 */
+		if (xfs_ipincount(ip)) {
+			error = _xfs_log_force_lsn(ip->i_mount,
+					ip->i_itemp->ili_last_lsn,
+					XFS_LOG_SYNC, &log_flushed);
+		}
+		xfs_iunlock(ip, XFS_ILOCK_SHARED);
+	}
+
+	if (ip->i_mount->m_flags & XFS_MOUNT_BARRIER) {
+		/*
+		 * If the log write didn't issue an ordered tag we need
+		 * to flush the disk cache for the data device now.
+		 */
+		if (!log_flushed)
+			xfs_blkdev_issue_flush(ip->i_mount->m_ddev_targp);
+
+		/*
+		 * If this inode is on the RT dev we need to flush that
+		 * cache as well.
+		 */
+		if (XFS_IS_REALTIME_INODE(ip))
+			xfs_blkdev_issue_flush(ip->i_mount->m_rtdev_targp);
+	}
+
+	return -error;
 }
 
 STATIC ssize_t
-xfs_file_aio_write(
+xfs_file_aio_read(
 	struct kiocb		*iocb,
-	const struct iovec	*iov,
+	const struct iovec	*iovp,
 	unsigned long		nr_segs,
 	loff_t			pos)
 {
 	struct file		*file = iocb->ki_filp;
+	struct inode		*inode = file->f_mapping->host;
+	struct xfs_inode	*ip = XFS_I(inode);
+	struct xfs_mount	*mp = ip->i_mount;
+	size_t			size = 0;
+	ssize_t			ret = 0;
 	int			ioflags = 0;
+	xfs_fsize_t		n;
+	unsigned long		seg;
+
+	XFS_STATS_INC(xs_read_calls);
 
 	BUG_ON(iocb->ki_pos != pos);
+
 	if (unlikely(file->f_flags & O_DIRECT))
 		ioflags |= IO_ISDIRECT;
 	if (file->f_mode & FMODE_NOCMTIME)
 		ioflags |= IO_INVIS;
-	return xfs_write(XFS_I(file->f_mapping->host), iocb, iov, nr_segs,
-				&iocb->ki_pos, ioflags);
+
+	/* START copy & waste from filemap.c */
+	for (seg = 0; seg < nr_segs; seg++) {
+		const struct iovec *iv = &iovp[seg];
+
+		/*
+		 * If any segment has a negative length, or the cumulative
+		 * length ever wraps negative then return -EINVAL.
+		 */
+		size += iv->iov_len;
+		if (unlikely((ssize_t)(size|iv->iov_len) < 0))
+			return XFS_ERROR(-EINVAL);
+	}
+	/* END copy & waste from filemap.c */
+
+	if (unlikely(ioflags & IO_ISDIRECT)) {
+		xfs_buftarg_t	*target =
+			XFS_IS_REALTIME_INODE(ip) ?
+				mp->m_rtdev_targp : mp->m_ddev_targp;
+		if ((iocb->ki_pos & target->bt_smask) ||
+		    (size & target->bt_smask)) {
+			if (iocb->ki_pos == ip->i_size)
+				return 0;
+			return -XFS_ERROR(EINVAL);
+		}
+	}
+
+	n = XFS_MAXIOFFSET(mp) - iocb->ki_pos;
+	if (n <= 0 || size == 0)
+		return 0;
+
+	if (n < size)
+		size = n;
+
+	if (XFS_FORCED_SHUTDOWN(mp))
+		return -EIO;
+
+	if (unlikely(ioflags & IO_ISDIRECT))
+		mutex_lock(&inode->i_mutex);
+	xfs_ilock(ip, XFS_IOLOCK_SHARED);
+
+	if (DM_EVENT_ENABLED(ip, DM_EVENT_READ) && !(ioflags & IO_INVIS)) {
+		int dmflags = FILP_DELAY_FLAG(file) | DM_SEM_FLAG_RD(ioflags);
+		int iolock = XFS_IOLOCK_SHARED;
+
+		ret = -XFS_SEND_DATA(mp, DM_EVENT_READ, ip, iocb->ki_pos, size,
+					dmflags, &iolock);
+		if (ret) {
+			xfs_iunlock(ip, XFS_IOLOCK_SHARED);
+			if (unlikely(ioflags & IO_ISDIRECT))
+				mutex_unlock(&inode->i_mutex);
+			return ret;
+		}
+	}
+
+	if (unlikely(ioflags & IO_ISDIRECT)) {
+		if (inode->i_mapping->nrpages) {
+			ret = -xfs_flushinval_pages(ip,
+					(iocb->ki_pos & PAGE_CACHE_MASK),
+					-1, FI_REMAPF_LOCKED);
+		}
+		mutex_unlock(&inode->i_mutex);
+		if (ret) {
+			xfs_iunlock(ip, XFS_IOLOCK_SHARED);
+			return ret;
+		}
+	}
+
+	trace_xfs_file_read(ip, size, iocb->ki_pos, ioflags);
+
+	ret = generic_file_aio_read(iocb, iovp, nr_segs, iocb->ki_pos);
+	if (ret > 0)
+		XFS_STATS_ADD(xs_read_bytes, ret);
+
+	xfs_iunlock(ip, XFS_IOLOCK_SHARED);
+	return ret;
 }
 
 STATIC ssize_t
@@ -87,16 +315,44 @@ xfs_file_splice_read(
 	struct file		*infilp,
 	loff_t			*ppos,
 	struct pipe_inode_info	*pipe,
-	size_t			len,
+	size_t			count,
 	unsigned int		flags)
 {
+	struct xfs_inode	*ip = XFS_I(infilp->f_mapping->host);
+	struct xfs_mount	*mp = ip->i_mount;
 	int			ioflags = 0;
+	ssize_t			ret;
+
+	XFS_STATS_INC(xs_read_calls);
 
 	if (infilp->f_mode & FMODE_NOCMTIME)
 		ioflags |= IO_INVIS;
 
-	return xfs_splice_read(XFS_I(infilp->f_path.dentry->d_inode),
-				   infilp, ppos, pipe, len, flags, ioflags);
+	if (XFS_FORCED_SHUTDOWN(ip->i_mount))
+		return -EIO;
+
+	xfs_ilock(ip, XFS_IOLOCK_SHARED);
+
+	if (DM_EVENT_ENABLED(ip, DM_EVENT_READ) && !(ioflags & IO_INVIS)) {
+		int iolock = XFS_IOLOCK_SHARED;
+		int error;
+
+		error = XFS_SEND_DATA(mp, DM_EVENT_READ, ip, *ppos, count,
+					FILP_DELAY_FLAG(infilp), &iolock);
+		if (error) {
+			xfs_iunlock(ip, XFS_IOLOCK_SHARED);
+			return -error;
+		}
+	}
+
+	trace_xfs_file_splice_read(ip, count, *ppos, ioflags);
+
+	ret = generic_file_splice_read(infilp, ppos, pipe, count, flags);
+	if (ret > 0)
+		XFS_STATS_ADD(xs_read_bytes, ret);
+
+	xfs_iunlock(ip, XFS_IOLOCK_SHARED);
+	return ret;
 }
 
 STATIC ssize_t
@@ -104,16 +360,538 @@ xfs_file_splice_write(
 	struct pipe_inode_info	*pipe,
 	struct file		*outfilp,
 	loff_t			*ppos,
-	size_t			len,
+	size_t			count,
 	unsigned int		flags)
 {
+	struct inode		*inode = outfilp->f_mapping->host;
+	struct xfs_inode	*ip = XFS_I(inode);
+	struct xfs_mount	*mp = ip->i_mount;
+	xfs_fsize_t		isize, new_size;
 	int			ioflags = 0;
+	ssize_t			ret;
+
+	XFS_STATS_INC(xs_write_calls);
 
 	if (outfilp->f_mode & FMODE_NOCMTIME)
 		ioflags |= IO_INVIS;
 
-	return xfs_splice_write(XFS_I(outfilp->f_path.dentry->d_inode),
-				    pipe, outfilp, ppos, len, flags, ioflags);
+	if (XFS_FORCED_SHUTDOWN(ip->i_mount))
+		return -EIO;
+
+	xfs_ilock(ip, XFS_IOLOCK_EXCL);
+
+	if (DM_EVENT_ENABLED(ip, DM_EVENT_WRITE) && !(ioflags & IO_INVIS)) {
+		int iolock = XFS_IOLOCK_EXCL;
+		int error;
+
+		error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, ip, *ppos, count,
+					FILP_DELAY_FLAG(outfilp), &iolock);
+		if (error) {
+			xfs_iunlock(ip, XFS_IOLOCK_EXCL);
+			return -error;
+		}
+	}
+
+	new_size = *ppos + count;
+
+	xfs_ilock(ip, XFS_ILOCK_EXCL);
+	if (new_size > ip->i_size)
+		ip->i_new_size = new_size;
+	xfs_iunlock(ip, XFS_ILOCK_EXCL);
+
+	trace_xfs_file_splice_write(ip, count, *ppos, ioflags);
+
+	ret = generic_file_splice_write(pipe, outfilp, ppos, count, flags);
+	if (ret > 0)
+		XFS_STATS_ADD(xs_write_bytes, ret);
+
+	isize = i_size_read(inode);
+	if (unlikely(ret < 0 && ret != -EFAULT && *ppos > isize))
+		*ppos = isize;
+
+	if (*ppos > ip->i_size) {
+		xfs_ilock(ip, XFS_ILOCK_EXCL);
+		if (*ppos > ip->i_size)
+			ip->i_size = *ppos;
+		xfs_iunlock(ip, XFS_ILOCK_EXCL);
+	}
+
+	if (ip->i_new_size) {
+		xfs_ilock(ip, XFS_ILOCK_EXCL);
+		ip->i_new_size = 0;
+		if (ip->i_d.di_size > ip->i_size)
+			ip->i_d.di_size = ip->i_size;
+		xfs_iunlock(ip, XFS_ILOCK_EXCL);
+	}
+	xfs_iunlock(ip, XFS_IOLOCK_EXCL);
+	return ret;
+}
+
+/*
+ * This routine is called to handle zeroing any space in the last
+ * block of the file that is beyond the EOF.  We do this since the
+ * size is being increased without writing anything to that block
+ * and we don't want anyone to read the garbage on the disk.
+ */
+STATIC int				/* error (positive) */
+xfs_zero_last_block(
+	xfs_inode_t	*ip,
+	xfs_fsize_t	offset,
+	xfs_fsize_t	isize)
+{
+	xfs_fileoff_t	last_fsb;
+	xfs_mount_t	*mp = ip->i_mount;
+	int		nimaps;
+	int		zero_offset;
+	int		zero_len;
+	int		error = 0;
+	xfs_bmbt_irec_t	imap;
+
+	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
+
+	zero_offset = XFS_B_FSB_OFFSET(mp, isize);
+	if (zero_offset == 0) {
+		/*
+		 * There are no extra bytes in the last block on disk to
+		 * zero, so return.
+		 */
+		return 0;
+	}
+
+	last_fsb = XFS_B_TO_FSBT(mp, isize);
+	nimaps = 1;
+	error = xfs_bmapi(NULL, ip, last_fsb, 1, 0, NULL, 0, &imap,
+			  &nimaps, NULL, NULL);
+	if (error) {
+		return error;
+	}
+	ASSERT(nimaps > 0);
+	/*
+	 * If the block underlying isize is just a hole, then there
+	 * is nothing to zero.
+	 */
+	if (imap.br_startblock == HOLESTARTBLOCK) {
+		return 0;
+	}
+	/*
+	 * Zero the part of the last block beyond the EOF, and write it
+	 * out sync.  We need to drop the ilock while we do this so we
+	 * don't deadlock when the buffer cache calls back to us.
+	 */
+	xfs_iunlock(ip, XFS_ILOCK_EXCL);
+
+	zero_len = mp->m_sb.sb_blocksize - zero_offset;
+	if (isize + zero_len > offset)
+		zero_len = offset - isize;
+	error = xfs_iozero(ip, isize, zero_len);
+
+	xfs_ilock(ip, XFS_ILOCK_EXCL);
+	ASSERT(error >= 0);
+	return error;
+}
+
+/*
+ * Zero any on disk space between the current EOF and the new,
+ * larger EOF.  This handles the normal case of zeroing the remainder
+ * of the last block in the file and the unusual case of zeroing blocks
+ * out beyond the size of the file.  This second case only happens
+ * with fixed size extents and when the system crashes before the inode
+ * size was updated but after blocks were allocated.  If fill is set,
+ * then any holes in the range are filled and zeroed.  If not, the holes
+ * are left alone as holes.
+ */
+
+int					/* error (positive) */
+xfs_zero_eof(
+	xfs_inode_t	*ip,
+	xfs_off_t	offset,		/* starting I/O offset */
+	xfs_fsize_t	isize)		/* current inode size */
+{
+	xfs_mount_t	*mp = ip->i_mount;
+	xfs_fileoff_t	start_zero_fsb;
+	xfs_fileoff_t	end_zero_fsb;
+	xfs_fileoff_t	zero_count_fsb;
+	xfs_fileoff_t	last_fsb;
+	xfs_fileoff_t	zero_off;
+	xfs_fsize_t	zero_len;
+	int		nimaps;
+	int		error = 0;
+	xfs_bmbt_irec_t	imap;
+
+	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_IOLOCK_EXCL));
+	ASSERT(offset > isize);
+
+	/*
+	 * First handle zeroing the block on which isize resides.
+	 * We only zero a part of that block so it is handled specially.
+	 */
+	error = xfs_zero_last_block(ip, offset, isize);
+	if (error) {
+		ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_IOLOCK_EXCL));
+		return error;
+	}
+
+	/*
+	 * Calculate the range between the new size and the old
+	 * where blocks needing to be zeroed may exist.  To get the
+	 * block where the last byte in the file currently resides,
+	 * we need to subtract one from the size and truncate back
+	 * to a block boundary.  We subtract 1 in case the size is
+	 * exactly on a block boundary.
+	 */
+	last_fsb = isize ? XFS_B_TO_FSBT(mp, isize - 1) : (xfs_fileoff_t)-1;
+	start_zero_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)isize);
+	end_zero_fsb = XFS_B_TO_FSBT(mp, offset - 1);
+	ASSERT((xfs_sfiloff_t)last_fsb < (xfs_sfiloff_t)start_zero_fsb);
+	if (last_fsb == end_zero_fsb) {
+		/*
+		 * The size was only incremented on its last block.
+		 * We took care of that above, so just return.
+		 */
+		return 0;
+	}
+
+	ASSERT(start_zero_fsb <= end_zero_fsb);
+	while (start_zero_fsb <= end_zero_fsb) {
+		nimaps = 1;
+		zero_count_fsb = end_zero_fsb - start_zero_fsb + 1;
+		error = xfs_bmapi(NULL, ip, start_zero_fsb, zero_count_fsb,
+				  0, NULL, 0, &imap, &nimaps, NULL, NULL);
+		if (error) {
+			ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_IOLOCK_EXCL));
+			return error;
+		}
+		ASSERT(nimaps > 0);
+
+		if (imap.br_state == XFS_EXT_UNWRITTEN ||
+		    imap.br_startblock == HOLESTARTBLOCK) {
+			/*
+			 * This loop handles initializing pages that were
+			 * partially initialized by the code below this
+			 * loop. It basically zeroes the part of the page
+			 * that sits on a hole and sets the page as P_HOLE
+			 * and calls remapf if it is a mapped file.
+			 */
+			start_zero_fsb = imap.br_startoff + imap.br_blockcount;
+			ASSERT(start_zero_fsb <= (end_zero_fsb + 1));
+			continue;
+		}
+
+		/*
+		 * There are blocks we need to zero.
+		 * Drop the inode lock while we're doing the I/O.
+		 * We'll still have the iolock to protect us.
+		 */
+		xfs_iunlock(ip, XFS_ILOCK_EXCL);
+
+		zero_off = XFS_FSB_TO_B(mp, start_zero_fsb);
+		zero_len = XFS_FSB_TO_B(mp, imap.br_blockcount);
+
+		if ((zero_off + zero_len) > offset)
+			zero_len = offset - zero_off;
+
+		error = xfs_iozero(ip, zero_off, zero_len);
+		if (error) {
+			goto out_lock;
+		}
+
+		start_zero_fsb = imap.br_startoff + imap.br_blockcount;
+		ASSERT(start_zero_fsb <= (end_zero_fsb + 1));
+
+		xfs_ilock(ip, XFS_ILOCK_EXCL);
+	}
+
+	return 0;
+
+out_lock:
+	xfs_ilock(ip, XFS_ILOCK_EXCL);
+	ASSERT(error >= 0);
+	return error;
+}
+
+STATIC ssize_t
+xfs_file_aio_write(
+	struct kiocb		*iocb,
+	const struct iovec	*iovp,
+	unsigned long		nr_segs,
+	loff_t			pos)
+{
+	struct file		*file = iocb->ki_filp;
+	struct address_space	*mapping = file->f_mapping;
+	struct inode		*inode = mapping->host;
+	struct xfs_inode	*ip = XFS_I(inode);
+	struct xfs_mount	*mp = ip->i_mount;
+	ssize_t			ret = 0, error = 0;
+	int			ioflags = 0;
+	xfs_fsize_t		isize, new_size;
+	int			iolock;
+	int			eventsent = 0;
+	size_t			ocount = 0, count;
+	int			need_i_mutex;
+
+	XFS_STATS_INC(xs_write_calls);
+
+	BUG_ON(iocb->ki_pos != pos);
+
+	if (unlikely(file->f_flags & O_DIRECT))
+		ioflags |= IO_ISDIRECT;
+	if (file->f_mode & FMODE_NOCMTIME)
+		ioflags |= IO_INVIS;
+
+	error = generic_segment_checks(iovp, &nr_segs, &ocount, VERIFY_READ);
+	if (error)
+		return error;
+
+	count = ocount;
+	if (count == 0)
+		return 0;
+
+	xfs_wait_for_freeze(mp, SB_FREEZE_WRITE);
+
+	if (XFS_FORCED_SHUTDOWN(mp))
+		return -EIO;
+
+relock:
+	if (ioflags & IO_ISDIRECT) {
+		iolock = XFS_IOLOCK_SHARED;
+		need_i_mutex = 0;
+	} else {
+		iolock = XFS_IOLOCK_EXCL;
+		need_i_mutex = 1;
+		mutex_lock(&inode->i_mutex);
+	}
+
+	xfs_ilock(ip, XFS_ILOCK_EXCL|iolock);
+
+start:
+	error = -generic_write_checks(file, &pos, &count,
+					S_ISBLK(inode->i_mode));
+	if (error) {
+		xfs_iunlock(ip, XFS_ILOCK_EXCL|iolock);
+		goto out_unlock_mutex;
+	}
+
+	if ((DM_EVENT_ENABLED(ip, DM_EVENT_WRITE) &&
+	    !(ioflags & IO_INVIS) && !eventsent)) {
+		int		dmflags = FILP_DELAY_FLAG(file);
+
+		if (need_i_mutex)
+			dmflags |= DM_FLAGS_IMUX;
+
+		xfs_iunlock(ip, XFS_ILOCK_EXCL);
+		error = XFS_SEND_DATA(ip->i_mount, DM_EVENT_WRITE, ip,
+				      pos, count, dmflags, &iolock);
+		if (error) {
+			goto out_unlock_internal;
+		}
+		xfs_ilock(ip, XFS_ILOCK_EXCL);
+		eventsent = 1;
+
+		/*
+		 * The iolock was dropped and reacquired in XFS_SEND_DATA
+		 * so we have to recheck the size when appending.
+		 * We will only "goto start;" once, since having sent the
+		 * event prevents another call to XFS_SEND_DATA, which is
+		 * what allows the size to change in the first place.
+		 */
+		if ((file->f_flags & O_APPEND) && pos != ip->i_size)
+			goto start;
+	}
+
+	if (ioflags & IO_ISDIRECT) {
+		xfs_buftarg_t	*target =
+			XFS_IS_REALTIME_INODE(ip) ?
+				mp->m_rtdev_targp : mp->m_ddev_targp;
+
+		if ((pos & target->bt_smask) || (count & target->bt_smask)) {
+			xfs_iunlock(ip, XFS_ILOCK_EXCL|iolock);
+			return XFS_ERROR(-EINVAL);
+		}
+
+		if (!need_i_mutex && (mapping->nrpages || pos > ip->i_size)) {
+			xfs_iunlock(ip, XFS_ILOCK_EXCL|iolock);
+			iolock = XFS_IOLOCK_EXCL;
+			need_i_mutex = 1;
+			mutex_lock(&inode->i_mutex);
+			xfs_ilock(ip, XFS_ILOCK_EXCL|iolock);
+			goto start;
+		}
+	}
+
+	new_size = pos + count;
+	if (new_size > ip->i_size)
+		ip->i_new_size = new_size;
+
+	if (likely(!(ioflags & IO_INVIS)))
+		file_update_time(file);
+
+	/*
+	 * If the offset is beyond the size of the file, we have a couple
+	 * of things to do. First, if there is already space allocated
+	 * we need to either create holes or zero the disk or ...
+	 *
+	 * If there is a page where the previous size lands, we need
+	 * to zero it out up to the new size.
+	 */
+
+	if (pos > ip->i_size) {
+		error = xfs_zero_eof(ip, pos, ip->i_size);
+		if (error) {
+			xfs_iunlock(ip, XFS_ILOCK_EXCL);
+			goto out_unlock_internal;
+		}
+	}
+	xfs_iunlock(ip, XFS_ILOCK_EXCL);
+
+	/*
+	 * If we're writing the file then make sure to clear the
+	 * setuid and setgid bits if the process is not being run
+	 * by root.  This keeps people from modifying setuid and
+	 * setgid binaries.
+	 */
+	error = -file_remove_suid(file);
+	if (unlikely(error))
+		goto out_unlock_internal;
+
+	/* We can write back this queue in page reclaim */
+	current->backing_dev_info = mapping->backing_dev_info;
+
+	if ((ioflags & IO_ISDIRECT)) {
+		if (mapping->nrpages) {
+			WARN_ON(need_i_mutex == 0);
+			error = xfs_flushinval_pages(ip,
+					(pos & PAGE_CACHE_MASK),
+					-1, FI_REMAPF_LOCKED);
+			if (error)
+				goto out_unlock_internal;
+		}
+
+		if (need_i_mutex) {
+			/* demote the lock now the cached pages are gone */
+			xfs_ilock_demote(ip, XFS_IOLOCK_EXCL);
+			mutex_unlock(&inode->i_mutex);
+
+			iolock = XFS_IOLOCK_SHARED;
+			need_i_mutex = 0;
+		}
+
+		trace_xfs_file_direct_write(ip, count, iocb->ki_pos, ioflags);
+		ret = generic_file_direct_write(iocb, iovp,
+				&nr_segs, pos, &iocb->ki_pos, count, ocount);
+
+		/*
+		 * direct-io write to a hole: fall through to buffered I/O
+		 * for completing the rest of the request.
+		 */
+		if (ret >= 0 && ret != count) {
+			XFS_STATS_ADD(xs_write_bytes, ret);
+
+			pos += ret;
+			count -= ret;
+
+			ioflags &= ~IO_ISDIRECT;
+			xfs_iunlock(ip, iolock);
+			goto relock;
+		}
+	} else {
+		int enospc = 0;
+		ssize_t ret2 = 0;
+
+write_retry:
+		trace_xfs_file_buffered_write(ip, count, iocb->ki_pos, ioflags);
+		ret2 = generic_file_buffered_write(iocb, iovp, nr_segs,
+				pos, &iocb->ki_pos, count, ret);
+		/*
+		 * if we just got an ENOSPC, flush the inode now we
+		 * aren't holding any page locks and retry *once*
+		 */
+		if (ret2 == -ENOSPC && !enospc) {
+			error = xfs_flush_pages(ip, 0, -1, 0, FI_NONE);
+			if (error)
+				goto out_unlock_internal;
+			enospc = 1;
+			goto write_retry;
+		}
+		ret = ret2;
+	}
+
+	current->backing_dev_info = NULL;
+
+	isize = i_size_read(inode);
+	if (unlikely(ret < 0 && ret != -EFAULT && iocb->ki_pos > isize))
+		iocb->ki_pos = isize;
+
+	if (iocb->ki_pos > ip->i_size) {
+		xfs_ilock(ip, XFS_ILOCK_EXCL);
+		if (iocb->ki_pos > ip->i_size)
+			ip->i_size = iocb->ki_pos;
+		xfs_iunlock(ip, XFS_ILOCK_EXCL);
+	}
+
+	if (ret == -ENOSPC &&
+	    DM_EVENT_ENABLED(ip, DM_EVENT_NOSPACE) && !(ioflags & IO_INVIS)) {
+		xfs_iunlock(ip, iolock);
+		if (need_i_mutex)
+			mutex_unlock(&inode->i_mutex);
+		error = XFS_SEND_NAMESP(ip->i_mount, DM_EVENT_NOSPACE, ip,
+				DM_RIGHT_NULL, ip, DM_RIGHT_NULL, NULL, NULL,
+				0, 0, 0); /* Delay flag intentionally  unused */
+		if (need_i_mutex)
+			mutex_lock(&inode->i_mutex);
+		xfs_ilock(ip, iolock);
+		if (error)
+			goto out_unlock_internal;
+		goto start;
+	}
+
+	error = -ret;
+	if (ret <= 0)
+		goto out_unlock_internal;
+
+	XFS_STATS_ADD(xs_write_bytes, ret);
+
+	/* Handle various SYNC-type writes */
+	if ((file->f_flags & O_DSYNC) || IS_SYNC(inode)) {
+		loff_t end = pos + ret - 1;
+		int error2;
+
+		xfs_iunlock(ip, iolock);
+		if (need_i_mutex)
+			mutex_unlock(&inode->i_mutex);
+
+		error2 = filemap_write_and_wait_range(mapping, pos, end);
+		if (!error)
+			error = error2;
+		if (need_i_mutex)
+			mutex_lock(&inode->i_mutex);
+		xfs_ilock(ip, iolock);
+
+		error2 = -xfs_file_fsync(file, file->f_path.dentry,
+					 (file->f_flags & __O_SYNC) ? 0 : 1);
+		if (!error)
+			error = error2;
+	}
+
+ out_unlock_internal:
+	if (ip->i_new_size) {
+		xfs_ilock(ip, XFS_ILOCK_EXCL);
+		ip->i_new_size = 0;
+		/*
+		 * If this was a direct or synchronous I/O that failed (such
+		 * as ENOSPC) then part of the I/O may have been written to
+		 * disk before the error occured.  In this case the on-disk
+		 * file size may have been adjusted beyond the in-memory file
+		 * size and now needs to be truncated back.
+		 */
+		if (ip->i_d.di_size > ip->i_size)
+			ip->i_d.di_size = ip->i_size;
+		xfs_iunlock(ip, XFS_ILOCK_EXCL);
+	}
+	xfs_iunlock(ip, iolock);
+ out_unlock_mutex:
+	if (need_i_mutex)
+		mutex_unlock(&inode->i_mutex);
+	return -error;
 }
 
 STATIC int
@@ -160,28 +938,6 @@ xfs_file_release(
 	return -xfs_release(XFS_I(inode));
 }
 
-/*
- * We ignore the datasync flag here because a datasync is effectively
- * identical to an fsync. That is, datasync implies that we need to write
- * only the metadata needed to be able to access the data that is written
- * if we crash after the call completes. Hence if we are writing beyond
- * EOF we have to log the inode size change as well, which makes it a
- * full fsync. If we don't write beyond EOF, the inode core will be
- * clean in memory and so we don't need to log the inode, just like
- * fsync.
- */
-STATIC int
-xfs_file_fsync(
-	struct file		*file,
-	struct dentry		*dentry,
-	int			datasync)
-{
-	struct xfs_inode	*ip = XFS_I(dentry->d_inode);
-
-	xfs_iflags_clear(ip, XFS_ITRUNCATED);
-	return -xfs_fsync(ip);
-}
-
 STATIC int
 xfs_file_readdir(
 	struct file	*filp,
@@ -203,9 +959,9 @@ xfs_file_readdir(
 	 *
 	 * Try to give it an estimate that's good enough, maybe at some
 	 * point we can change the ->readdir prototype to include the
-	 * buffer size.
+	 * buffer size.  For now we use the current glibc buffer size.
 	 */
-	bufsize = (size_t)min_t(loff_t, PAGE_SIZE, ip->i_d.di_size);
+	bufsize = (size_t)min_t(loff_t, 32768, ip->i_d.di_size);
 
 	error = xfs_readdir(ip, dirent, bufsize,
 				(xfs_off_t *)&filp->f_pos, filldir);
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index e8566bbf0f00..61a99608731e 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -91,6 +91,16 @@ xfs_mark_inode_dirty_sync(
 		mark_inode_dirty_sync(inode);
 }
 
+void
+xfs_mark_inode_dirty(
+	xfs_inode_t	*ip)
+{
+	struct inode	*inode = VFS_I(ip);
+
+	if (!(inode->i_state & (I_WILL_FREE|I_FREEING|I_CLEAR)))
+		mark_inode_dirty(inode);
+}
+
 /*
  * Change the requested timestamp in the given inode.
  * We don't lock across timestamp updates, and we don't log them but
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index 5af0c81ca1ae..facfb323a706 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -88,7 +88,6 @@
 #include <xfs_super.h>
 #include <xfs_globals.h>
 #include <xfs_fs_subr.h>
-#include <xfs_lrw.h>
 #include <xfs_buf.h>
 
 /*
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
deleted file mode 100644
index eac6f80d786d..000000000000
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ /dev/null
@@ -1,796 +0,0 @@
-/*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-#include "xfs.h"
-#include "xfs_fs.h"
-#include "xfs_bit.h"
-#include "xfs_log.h"
-#include "xfs_inum.h"
-#include "xfs_trans.h"
-#include "xfs_sb.h"
-#include "xfs_ag.h"
-#include "xfs_dir2.h"
-#include "xfs_alloc.h"
-#include "xfs_dmapi.h"
-#include "xfs_quota.h"
-#include "xfs_mount.h"
-#include "xfs_bmap_btree.h"
-#include "xfs_alloc_btree.h"
-#include "xfs_ialloc_btree.h"
-#include "xfs_dir2_sf.h"
-#include "xfs_attr_sf.h"
-#include "xfs_dinode.h"
-#include "xfs_inode.h"
-#include "xfs_bmap.h"
-#include "xfs_btree.h"
-#include "xfs_ialloc.h"
-#include "xfs_rtalloc.h"
-#include "xfs_error.h"
-#include "xfs_itable.h"
-#include "xfs_rw.h"
-#include "xfs_attr.h"
-#include "xfs_inode_item.h"
-#include "xfs_buf_item.h"
-#include "xfs_utils.h"
-#include "xfs_iomap.h"
-#include "xfs_vnodeops.h"
-#include "xfs_trace.h"
-
-#include <linux/capability.h>
-#include <linux/writeback.h>
-
-
-/*
- *	xfs_iozero
- *
- *	xfs_iozero clears the specified range of buffer supplied,
- *	and marks all the affected blocks as valid and modified.  If
- *	an affected block is not allocated, it will be allocated.  If
- *	an affected block is not completely overwritten, and is not
- *	valid before the operation, it will be read from disk before
- *	being partially zeroed.
- */
-STATIC int
-xfs_iozero(
-	struct xfs_inode	*ip,	/* inode			*/
-	loff_t			pos,	/* offset in file		*/
-	size_t			count)	/* size of data to zero		*/
-{
-	struct page		*page;
-	struct address_space	*mapping;
-	int			status;
-
-	mapping = VFS_I(ip)->i_mapping;
-	do {
-		unsigned offset, bytes;
-		void *fsdata;
-
-		offset = (pos & (PAGE_CACHE_SIZE -1)); /* Within page */
-		bytes = PAGE_CACHE_SIZE - offset;
-		if (bytes > count)
-			bytes = count;
-
-		status = pagecache_write_begin(NULL, mapping, pos, bytes,
-					AOP_FLAG_UNINTERRUPTIBLE,
-					&page, &fsdata);
-		if (status)
-			break;
-
-		zero_user(page, offset, bytes);
-
-		status = pagecache_write_end(NULL, mapping, pos, bytes, bytes,
-					page, fsdata);
-		WARN_ON(status <= 0); /* can't return less than zero! */
-		pos += bytes;
-		count -= bytes;
-		status = 0;
-	} while (count);
-
-	return (-status);
-}
-
-ssize_t			/* bytes read, or (-)  error */
-xfs_read(
-	xfs_inode_t		*ip,
-	struct kiocb		*iocb,
-	const struct iovec	*iovp,
-	unsigned int		segs,
-	loff_t			*offset,
-	int			ioflags)
-{
-	struct file		*file = iocb->ki_filp;
-	struct inode		*inode = file->f_mapping->host;
-	xfs_mount_t		*mp = ip->i_mount;
-	size_t			size = 0;
-	ssize_t			ret = 0;
-	xfs_fsize_t		n;
-	unsigned long		seg;
-
-
-	XFS_STATS_INC(xs_read_calls);
-
-	/* START copy & waste from filemap.c */
-	for (seg = 0; seg < segs; seg++) {
-		const struct iovec *iv = &iovp[seg];
-
-		/*
-		 * If any segment has a negative length, or the cumulative
-		 * length ever wraps negative then return -EINVAL.
-		 */
-		size += iv->iov_len;
-		if (unlikely((ssize_t)(size|iv->iov_len) < 0))
-			return XFS_ERROR(-EINVAL);
-	}
-	/* END copy & waste from filemap.c */
-
-	if (unlikely(ioflags & IO_ISDIRECT)) {
-		xfs_buftarg_t	*target =
-			XFS_IS_REALTIME_INODE(ip) ?
-				mp->m_rtdev_targp : mp->m_ddev_targp;
-		if ((*offset & target->bt_smask) ||
-		    (size & target->bt_smask)) {
-			if (*offset == ip->i_size) {
-				return (0);
-			}
-			return -XFS_ERROR(EINVAL);
-		}
-	}
-
-	n = XFS_MAXIOFFSET(mp) - *offset;
-	if ((n <= 0) || (size == 0))
-		return 0;
-
-	if (n < size)
-		size = n;
-
-	if (XFS_FORCED_SHUTDOWN(mp))
-		return -EIO;
-
-	if (unlikely(ioflags & IO_ISDIRECT))
-		mutex_lock(&inode->i_mutex);
-	xfs_ilock(ip, XFS_IOLOCK_SHARED);
-
-	if (DM_EVENT_ENABLED(ip, DM_EVENT_READ) && !(ioflags & IO_INVIS)) {
-		int dmflags = FILP_DELAY_FLAG(file) | DM_SEM_FLAG_RD(ioflags);
-		int iolock = XFS_IOLOCK_SHARED;
-
-		ret = -XFS_SEND_DATA(mp, DM_EVENT_READ, ip, *offset, size,
-					dmflags, &iolock);
-		if (ret) {
-			xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-			if (unlikely(ioflags & IO_ISDIRECT))
-				mutex_unlock(&inode->i_mutex);
-			return ret;
-		}
-	}
-
-	if (unlikely(ioflags & IO_ISDIRECT)) {
-		if (inode->i_mapping->nrpages)
-			ret = -xfs_flushinval_pages(ip, (*offset & PAGE_CACHE_MASK),
-						    -1, FI_REMAPF_LOCKED);
-		mutex_unlock(&inode->i_mutex);
-		if (ret) {
-			xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-			return ret;
-		}
-	}
-
-	trace_xfs_file_read(ip, size, *offset, ioflags);
-
-	iocb->ki_pos = *offset;
-	ret = generic_file_aio_read(iocb, iovp, segs, *offset);
-	if (ret > 0)
-		XFS_STATS_ADD(xs_read_bytes, ret);
-
-	xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-	return ret;
-}
-
-ssize_t
-xfs_splice_read(
-	xfs_inode_t		*ip,
-	struct file		*infilp,
-	loff_t			*ppos,
-	struct pipe_inode_info	*pipe,
-	size_t			count,
-	int			flags,
-	int			ioflags)
-{
-	xfs_mount_t		*mp = ip->i_mount;
-	ssize_t			ret;
-
-	XFS_STATS_INC(xs_read_calls);
-	if (XFS_FORCED_SHUTDOWN(ip->i_mount))
-		return -EIO;
-
-	xfs_ilock(ip, XFS_IOLOCK_SHARED);
-
-	if (DM_EVENT_ENABLED(ip, DM_EVENT_READ) && !(ioflags & IO_INVIS)) {
-		int iolock = XFS_IOLOCK_SHARED;
-		int error;
-
-		error = XFS_SEND_DATA(mp, DM_EVENT_READ, ip, *ppos, count,
-					FILP_DELAY_FLAG(infilp), &iolock);
-		if (error) {
-			xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-			return -error;
-		}
-	}
-
-	trace_xfs_file_splice_read(ip, count, *ppos, ioflags);
-
-	ret = generic_file_splice_read(infilp, ppos, pipe, count, flags);
-	if (ret > 0)
-		XFS_STATS_ADD(xs_read_bytes, ret);
-
-	xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-	return ret;
-}
-
-ssize_t
-xfs_splice_write(
-	xfs_inode_t		*ip,
-	struct pipe_inode_info	*pipe,
-	struct file		*outfilp,
-	loff_t			*ppos,
-	size_t			count,
-	int			flags,
-	int			ioflags)
-{
-	xfs_mount_t		*mp = ip->i_mount;
-	ssize_t			ret;
-	struct inode		*inode = outfilp->f_mapping->host;
-	xfs_fsize_t		isize, new_size;
-
-	XFS_STATS_INC(xs_write_calls);
-	if (XFS_FORCED_SHUTDOWN(ip->i_mount))
-		return -EIO;
-
-	xfs_ilock(ip, XFS_IOLOCK_EXCL);
-
-	if (DM_EVENT_ENABLED(ip, DM_EVENT_WRITE) && !(ioflags & IO_INVIS)) {
-		int iolock = XFS_IOLOCK_EXCL;
-		int error;
-
-		error = XFS_SEND_DATA(mp, DM_EVENT_WRITE, ip, *ppos, count,
-					FILP_DELAY_FLAG(outfilp), &iolock);
-		if (error) {
-			xfs_iunlock(ip, XFS_IOLOCK_EXCL);
-			return -error;
-		}
-	}
-
-	new_size = *ppos + count;
-
-	xfs_ilock(ip, XFS_ILOCK_EXCL);
-	if (new_size > ip->i_size)
-		ip->i_new_size = new_size;
-	xfs_iunlock(ip, XFS_ILOCK_EXCL);
-
-	trace_xfs_file_splice_write(ip, count, *ppos, ioflags);
-
-	ret = generic_file_splice_write(pipe, outfilp, ppos, count, flags);
-	if (ret > 0)
-		XFS_STATS_ADD(xs_write_bytes, ret);
-
-	isize = i_size_read(inode);
-	if (unlikely(ret < 0 && ret != -EFAULT && *ppos > isize))
-		*ppos = isize;
-
-	if (*ppos > ip->i_size) {
-		xfs_ilock(ip, XFS_ILOCK_EXCL);
-		if (*ppos > ip->i_size)
-			ip->i_size = *ppos;
-		xfs_iunlock(ip, XFS_ILOCK_EXCL);
-	}
-
-	if (ip->i_new_size) {
-		xfs_ilock(ip, XFS_ILOCK_EXCL);
-		ip->i_new_size = 0;
-		if (ip->i_d.di_size > ip->i_size)
-			ip->i_d.di_size = ip->i_size;
-		xfs_iunlock(ip, XFS_ILOCK_EXCL);
-	}
-	xfs_iunlock(ip, XFS_IOLOCK_EXCL);
-	return ret;
-}
-
-/*
- * This routine is called to handle zeroing any space in the last
- * block of the file that is beyond the EOF.  We do this since the
- * size is being increased without writing anything to that block
- * and we don't want anyone to read the garbage on the disk.
- */
-STATIC int				/* error (positive) */
-xfs_zero_last_block(
-	xfs_inode_t	*ip,
-	xfs_fsize_t	offset,
-	xfs_fsize_t	isize)
-{
-	xfs_fileoff_t	last_fsb;
-	xfs_mount_t	*mp = ip->i_mount;
-	int		nimaps;
-	int		zero_offset;
-	int		zero_len;
-	int		error = 0;
-	xfs_bmbt_irec_t	imap;
-
-	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
-
-	zero_offset = XFS_B_FSB_OFFSET(mp, isize);
-	if (zero_offset == 0) {
-		/*
-		 * There are no extra bytes in the last block on disk to
-		 * zero, so return.
-		 */
-		return 0;
-	}
-
-	last_fsb = XFS_B_TO_FSBT(mp, isize);
-	nimaps = 1;
-	error = xfs_bmapi(NULL, ip, last_fsb, 1, 0, NULL, 0, &imap,
-			  &nimaps, NULL, NULL);
-	if (error) {
-		return error;
-	}
-	ASSERT(nimaps > 0);
-	/*
-	 * If the block underlying isize is just a hole, then there
-	 * is nothing to zero.
-	 */
-	if (imap.br_startblock == HOLESTARTBLOCK) {
-		return 0;
-	}
-	/*
-	 * Zero the part of the last block beyond the EOF, and write it
-	 * out sync.  We need to drop the ilock while we do this so we
-	 * don't deadlock when the buffer cache calls back to us.
-	 */
-	xfs_iunlock(ip, XFS_ILOCK_EXCL);
-
-	zero_len = mp->m_sb.sb_blocksize - zero_offset;
-	if (isize + zero_len > offset)
-		zero_len = offset - isize;
-	error = xfs_iozero(ip, isize, zero_len);
-
-	xfs_ilock(ip, XFS_ILOCK_EXCL);
-	ASSERT(error >= 0);
-	return error;
-}
-
-/*
- * Zero any on disk space between the current EOF and the new,
- * larger EOF.  This handles the normal case of zeroing the remainder
- * of the last block in the file and the unusual case of zeroing blocks
- * out beyond the size of the file.  This second case only happens
- * with fixed size extents and when the system crashes before the inode
- * size was updated but after blocks were allocated.  If fill is set,
- * then any holes in the range are filled and zeroed.  If not, the holes
- * are left alone as holes.
- */
-
-int					/* error (positive) */
-xfs_zero_eof(
-	xfs_inode_t	*ip,
-	xfs_off_t	offset,		/* starting I/O offset */
-	xfs_fsize_t	isize)		/* current inode size */
-{
-	xfs_mount_t	*mp = ip->i_mount;
-	xfs_fileoff_t	start_zero_fsb;
-	xfs_fileoff_t	end_zero_fsb;
-	xfs_fileoff_t	zero_count_fsb;
-	xfs_fileoff_t	last_fsb;
-	xfs_fileoff_t	zero_off;
-	xfs_fsize_t	zero_len;
-	int		nimaps;
-	int		error = 0;
-	xfs_bmbt_irec_t	imap;
-
-	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_IOLOCK_EXCL));
-	ASSERT(offset > isize);
-
-	/*
-	 * First handle zeroing the block on which isize resides.
-	 * We only zero a part of that block so it is handled specially.
-	 */
-	error = xfs_zero_last_block(ip, offset, isize);
-	if (error) {
-		ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_IOLOCK_EXCL));
-		return error;
-	}
-
-	/*
-	 * Calculate the range between the new size and the old
-	 * where blocks needing to be zeroed may exist.  To get the
-	 * block where the last byte in the file currently resides,
-	 * we need to subtract one from the size and truncate back
-	 * to a block boundary.  We subtract 1 in case the size is
-	 * exactly on a block boundary.
-	 */
-	last_fsb = isize ? XFS_B_TO_FSBT(mp, isize - 1) : (xfs_fileoff_t)-1;
-	start_zero_fsb = XFS_B_TO_FSB(mp, (xfs_ufsize_t)isize);
-	end_zero_fsb = XFS_B_TO_FSBT(mp, offset - 1);
-	ASSERT((xfs_sfiloff_t)last_fsb < (xfs_sfiloff_t)start_zero_fsb);
-	if (last_fsb == end_zero_fsb) {
-		/*
-		 * The size was only incremented on its last block.
-		 * We took care of that above, so just return.
-		 */
-		return 0;
-	}
-
-	ASSERT(start_zero_fsb <= end_zero_fsb);
-	while (start_zero_fsb <= end_zero_fsb) {
-		nimaps = 1;
-		zero_count_fsb = end_zero_fsb - start_zero_fsb + 1;
-		error = xfs_bmapi(NULL, ip, start_zero_fsb, zero_count_fsb,
-				  0, NULL, 0, &imap, &nimaps, NULL, NULL);
-		if (error) {
-			ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_IOLOCK_EXCL));
-			return error;
-		}
-		ASSERT(nimaps > 0);
-
-		if (imap.br_state == XFS_EXT_UNWRITTEN ||
-		    imap.br_startblock == HOLESTARTBLOCK) {
-			/*
-			 * This loop handles initializing pages that were
-			 * partially initialized by the code below this
-			 * loop. It basically zeroes the part of the page
-			 * that sits on a hole and sets the page as P_HOLE
-			 * and calls remapf if it is a mapped file.
-			 */
-			start_zero_fsb = imap.br_startoff + imap.br_blockcount;
-			ASSERT(start_zero_fsb <= (end_zero_fsb + 1));
-			continue;
-		}
-
-		/*
-		 * There are blocks we need to zero.
-		 * Drop the inode lock while we're doing the I/O.
-		 * We'll still have the iolock to protect us.
-		 */
-		xfs_iunlock(ip, XFS_ILOCK_EXCL);
-
-		zero_off = XFS_FSB_TO_B(mp, start_zero_fsb);
-		zero_len = XFS_FSB_TO_B(mp, imap.br_blockcount);
-
-		if ((zero_off + zero_len) > offset)
-			zero_len = offset - zero_off;
-
-		error = xfs_iozero(ip, zero_off, zero_len);
-		if (error) {
-			goto out_lock;
-		}
-
-		start_zero_fsb = imap.br_startoff + imap.br_blockcount;
-		ASSERT(start_zero_fsb <= (end_zero_fsb + 1));
-
-		xfs_ilock(ip, XFS_ILOCK_EXCL);
-	}
-
-	return 0;
-
-out_lock:
-	xfs_ilock(ip, XFS_ILOCK_EXCL);
-	ASSERT(error >= 0);
-	return error;
-}
-
-ssize_t				/* bytes written, or (-) error */
-xfs_write(
-	struct xfs_inode	*xip,
-	struct kiocb		*iocb,
-	const struct iovec	*iovp,
-	unsigned int		nsegs,
-	loff_t			*offset,
-	int			ioflags)
-{
-	struct file		*file = iocb->ki_filp;
-	struct address_space	*mapping = file->f_mapping;
-	struct inode		*inode = mapping->host;
-	unsigned long		segs = nsegs;
-	xfs_mount_t		*mp;
-	ssize_t			ret = 0, error = 0;
-	xfs_fsize_t		isize, new_size;
-	int			iolock;
-	int			eventsent = 0;
-	size_t			ocount = 0, count;
-	loff_t			pos;
-	int			need_i_mutex;
-
-	XFS_STATS_INC(xs_write_calls);
-
-	error = generic_segment_checks(iovp, &segs, &ocount, VERIFY_READ);
-	if (error)
-		return error;
-
-	count = ocount;
-	pos = *offset;
-
-	if (count == 0)
-		return 0;
-
-	mp = xip->i_mount;
-
-	xfs_wait_for_freeze(mp, SB_FREEZE_WRITE);
-
-	if (XFS_FORCED_SHUTDOWN(mp))
-		return -EIO;
-
-relock:
-	if (ioflags & IO_ISDIRECT) {
-		iolock = XFS_IOLOCK_SHARED;
-		need_i_mutex = 0;
-	} else {
-		iolock = XFS_IOLOCK_EXCL;
-		need_i_mutex = 1;
-		mutex_lock(&inode->i_mutex);
-	}
-
-	xfs_ilock(xip, XFS_ILOCK_EXCL|iolock);
-
-start:
-	error = -generic_write_checks(file, &pos, &count,
-					S_ISBLK(inode->i_mode));
-	if (error) {
-		xfs_iunlock(xip, XFS_ILOCK_EXCL|iolock);
-		goto out_unlock_mutex;
-	}
-
-	if ((DM_EVENT_ENABLED(xip, DM_EVENT_WRITE) &&
-	    !(ioflags & IO_INVIS) && !eventsent)) {
-		int		dmflags = FILP_DELAY_FLAG(file);
-
-		if (need_i_mutex)
-			dmflags |= DM_FLAGS_IMUX;
-
-		xfs_iunlock(xip, XFS_ILOCK_EXCL);
-		error = XFS_SEND_DATA(xip->i_mount, DM_EVENT_WRITE, xip,
-				      pos, count, dmflags, &iolock);
-		if (error) {
-			goto out_unlock_internal;
-		}
-		xfs_ilock(xip, XFS_ILOCK_EXCL);
-		eventsent = 1;
-
-		/*
-		 * The iolock was dropped and reacquired in XFS_SEND_DATA
-		 * so we have to recheck the size when appending.
-		 * We will only "goto start;" once, since having sent the
-		 * event prevents another call to XFS_SEND_DATA, which is
-		 * what allows the size to change in the first place.
-		 */
-		if ((file->f_flags & O_APPEND) && pos != xip->i_size)
-			goto start;
-	}
-
-	if (ioflags & IO_ISDIRECT) {
-		xfs_buftarg_t	*target =
-			XFS_IS_REALTIME_INODE(xip) ?
-				mp->m_rtdev_targp : mp->m_ddev_targp;
-
-		if ((pos & target->bt_smask) || (count & target->bt_smask)) {
-			xfs_iunlock(xip, XFS_ILOCK_EXCL|iolock);
-			return XFS_ERROR(-EINVAL);
-		}
-
-		if (!need_i_mutex && (mapping->nrpages || pos > xip->i_size)) {
-			xfs_iunlock(xip, XFS_ILOCK_EXCL|iolock);
-			iolock = XFS_IOLOCK_EXCL;
-			need_i_mutex = 1;
-			mutex_lock(&inode->i_mutex);
-			xfs_ilock(xip, XFS_ILOCK_EXCL|iolock);
-			goto start;
-		}
-	}
-
-	new_size = pos + count;
-	if (new_size > xip->i_size)
-		xip->i_new_size = new_size;
-
-	if (likely(!(ioflags & IO_INVIS)))
-		file_update_time(file);
-
-	/*
-	 * If the offset is beyond the size of the file, we have a couple
-	 * of things to do. First, if there is already space allocated
-	 * we need to either create holes or zero the disk or ...
-	 *
-	 * If there is a page where the previous size lands, we need
-	 * to zero it out up to the new size.
-	 */
-
-	if (pos > xip->i_size) {
-		error = xfs_zero_eof(xip, pos, xip->i_size);
-		if (error) {
-			xfs_iunlock(xip, XFS_ILOCK_EXCL);
-			goto out_unlock_internal;
-		}
-	}
-	xfs_iunlock(xip, XFS_ILOCK_EXCL);
-
-	/*
-	 * If we're writing the file then make sure to clear the
-	 * setuid and setgid bits if the process is not being run
-	 * by root.  This keeps people from modifying setuid and
-	 * setgid binaries.
-	 */
-	error = -file_remove_suid(file);
-	if (unlikely(error))
-		goto out_unlock_internal;
-
-	/* We can write back this queue in page reclaim */
-	current->backing_dev_info = mapping->backing_dev_info;
-
-	if ((ioflags & IO_ISDIRECT)) {
-		if (mapping->nrpages) {
-			WARN_ON(need_i_mutex == 0);
-			error = xfs_flushinval_pages(xip,
-					(pos & PAGE_CACHE_MASK),
-					-1, FI_REMAPF_LOCKED);
-			if (error)
-				goto out_unlock_internal;
-		}
-
-		if (need_i_mutex) {
-			/* demote the lock now the cached pages are gone */
-			xfs_ilock_demote(xip, XFS_IOLOCK_EXCL);
-			mutex_unlock(&inode->i_mutex);
-
-			iolock = XFS_IOLOCK_SHARED;
-			need_i_mutex = 0;
-		}
-
-		trace_xfs_file_direct_write(xip, count, *offset, ioflags);
-		ret = generic_file_direct_write(iocb, iovp,
-				&segs, pos, offset, count, ocount);
-
-		/*
-		 * direct-io write to a hole: fall through to buffered I/O
-		 * for completing the rest of the request.
-		 */
-		if (ret >= 0 && ret != count) {
-			XFS_STATS_ADD(xs_write_bytes, ret);
-
-			pos += ret;
-			count -= ret;
-
-			ioflags &= ~IO_ISDIRECT;
-			xfs_iunlock(xip, iolock);
-			goto relock;
-		}
-	} else {
-		int enospc = 0;
-		ssize_t ret2 = 0;
-
-write_retry:
-		trace_xfs_file_buffered_write(xip, count, *offset, ioflags);
-		ret2 = generic_file_buffered_write(iocb, iovp, segs,
-				pos, offset, count, ret);
-		/*
-		 * if we just got an ENOSPC, flush the inode now we
-		 * aren't holding any page locks and retry *once*
-		 */
-		if (ret2 == -ENOSPC && !enospc) {
-			error = xfs_flush_pages(xip, 0, -1, 0, FI_NONE);
-			if (error)
-				goto out_unlock_internal;
-			enospc = 1;
-			goto write_retry;
-		}
-		ret = ret2;
-	}
-
-	current->backing_dev_info = NULL;
-
-	isize = i_size_read(inode);
-	if (unlikely(ret < 0 && ret != -EFAULT && *offset > isize))
-		*offset = isize;
-
-	if (*offset > xip->i_size) {
-		xfs_ilock(xip, XFS_ILOCK_EXCL);
-		if (*offset > xip->i_size)
-			xip->i_size = *offset;
-		xfs_iunlock(xip, XFS_ILOCK_EXCL);
-	}
-
-	if (ret == -ENOSPC &&
-	    DM_EVENT_ENABLED(xip, DM_EVENT_NOSPACE) && !(ioflags & IO_INVIS)) {
-		xfs_iunlock(xip, iolock);
-		if (need_i_mutex)
-			mutex_unlock(&inode->i_mutex);
-		error = XFS_SEND_NAMESP(xip->i_mount, DM_EVENT_NOSPACE, xip,
-				DM_RIGHT_NULL, xip, DM_RIGHT_NULL, NULL, NULL,
-				0, 0, 0); /* Delay flag intentionally  unused */
-		if (need_i_mutex)
-			mutex_lock(&inode->i_mutex);
-		xfs_ilock(xip, iolock);
-		if (error)
-			goto out_unlock_internal;
-		goto start;
-	}
-
-	error = -ret;
-	if (ret <= 0)
-		goto out_unlock_internal;
-
-	XFS_STATS_ADD(xs_write_bytes, ret);
-
-	/* Handle various SYNC-type writes */
-	if ((file->f_flags & O_DSYNC) || IS_SYNC(inode)) {
-		loff_t end = pos + ret - 1;
-		int error2;
-
-		xfs_iunlock(xip, iolock);
-		if (need_i_mutex)
-			mutex_unlock(&inode->i_mutex);
-
-		error2 = filemap_write_and_wait_range(mapping, pos, end);
-		if (!error)
-			error = error2;
-		if (need_i_mutex)
-			mutex_lock(&inode->i_mutex);
-		xfs_ilock(xip, iolock);
-
-		error2 = xfs_fsync(xip);
-		if (!error)
-			error = error2;
-	}
-
- out_unlock_internal:
-	if (xip->i_new_size) {
-		xfs_ilock(xip, XFS_ILOCK_EXCL);
-		xip->i_new_size = 0;
-		/*
-		 * If this was a direct or synchronous I/O that failed (such
-		 * as ENOSPC) then part of the I/O may have been written to
-		 * disk before the error occured.  In this case the on-disk
-		 * file size may have been adjusted beyond the in-memory file
-		 * size and now needs to be truncated back.
-		 */
-		if (xip->i_d.di_size > xip->i_size)
-			xip->i_d.di_size = xip->i_size;
-		xfs_iunlock(xip, XFS_ILOCK_EXCL);
-	}
-	xfs_iunlock(xip, iolock);
- out_unlock_mutex:
-	if (need_i_mutex)
-		mutex_unlock(&inode->i_mutex);
-	return -error;
-}
-
-/*
- * If the underlying (data/log/rt) device is readonly, there are some
- * operations that cannot proceed.
- */
-int
-xfs_dev_is_read_only(
-	xfs_mount_t		*mp,
-	char			*message)
-{
-	if (xfs_readonly_buftarg(mp->m_ddev_targp) ||
-	    xfs_readonly_buftarg(mp->m_logdev_targp) ||
-	    (mp->m_rtdev_targp && xfs_readonly_buftarg(mp->m_rtdev_targp))) {
-		cmn_err(CE_NOTE,
-			"XFS: %s required on read-only device.", message);
-		cmn_err(CE_NOTE,
-			"XFS: write access unavailable, cannot proceed.");
-		return EROFS;
-	}
-	return 0;
-}
diff --git a/fs/xfs/linux-2.6/xfs_lrw.h b/fs/xfs/linux-2.6/xfs_lrw.h
deleted file mode 100644
index 342ae8c0d011..000000000000
--- a/fs/xfs/linux-2.6/xfs_lrw.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-#ifndef __XFS_LRW_H__
-#define __XFS_LRW_H__
-
-struct xfs_mount;
-struct xfs_inode;
-struct xfs_buf;
-
-extern int xfs_dev_is_read_only(struct xfs_mount *, char *);
-
-extern int xfs_zero_eof(struct xfs_inode *, xfs_off_t, xfs_fsize_t);
-
-#endif	/* __XFS_LRW_H__ */
diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/linux-2.6/xfs_quotaops.c
index 3d4a0c84d634..1947514ce1ad 100644
--- a/fs/xfs/linux-2.6/xfs_quotaops.c
+++ b/fs/xfs/linux-2.6/xfs_quotaops.c
@@ -44,20 +44,6 @@ xfs_quota_type(int type)
 }
 
 STATIC int
-xfs_fs_quota_sync(
-	struct super_block	*sb,
-	int			type)
-{
-	struct xfs_mount	*mp = XFS_M(sb);
-
-	if (sb->s_flags & MS_RDONLY)
-		return -EROFS;
-	if (!XFS_IS_QUOTA_RUNNING(mp))
-		return -ENOSYS;
-	return -xfs_sync_data(mp, 0);
-}
-
-STATIC int
 xfs_fs_get_xstate(
 	struct super_block	*sb,
 	struct fs_quota_stat	*fqs)
@@ -82,8 +68,6 @@ xfs_fs_set_xstate(
 		return -EROFS;
 	if (op != Q_XQUOTARM && !XFS_IS_QUOTA_RUNNING(mp))
 		return -ENOSYS;
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
 
 	if (uflags & XFS_QUOTA_UDQ_ACCT)
 		flags |= XFS_UQUOTA_ACCT;
@@ -144,14 +128,11 @@ xfs_fs_set_xquota(
 		return -ENOSYS;
 	if (!XFS_IS_QUOTA_ON(mp))
 		return -ESRCH;
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
 
 	return -xfs_qm_scall_setqlim(mp, id, xfs_quota_type(type), fdq);
 }
 
 const struct quotactl_ops xfs_quotactl_operations = {
-	.quota_sync		= xfs_fs_quota_sync,
 	.get_xstate		= xfs_fs_get_xstate,
 	.set_xstate		= xfs_fs_set_xstate,
 	.get_xquota		= xfs_fs_get_xquota,
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 25ea2408118f..71345a370d9f 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -1063,7 +1063,7 @@ xfs_log_inode(
 STATIC int
 xfs_fs_write_inode(
 	struct inode		*inode,
-	int			sync)
+	struct writeback_control *wbc)
 {
 	struct xfs_inode	*ip = XFS_I(inode);
 	struct xfs_mount	*mp = ip->i_mount;
@@ -1074,11 +1074,7 @@ xfs_fs_write_inode(
 	if (XFS_FORCED_SHUTDOWN(mp))
 		return XFS_ERROR(EIO);
 
-	if (sync) {
-		error = xfs_wait_on_pages(ip, 0, -1);
-		if (error)
-			goto out;
-
+	if (wbc->sync_mode == WB_SYNC_ALL) {
 		/*
 		 * Make sure the inode has hit stable storage.  By using the
 		 * log and the fsync transactions we reduce the IOs we have
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index a9f6d20aff41..05cd85317f6f 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -607,7 +607,8 @@ xfssyncd(
 	set_freezable();
 	timeleft = xfs_syncd_centisecs * msecs_to_jiffies(10);
 	for (;;) {
-		timeleft = schedule_timeout_interruptible(timeleft);
+		if (list_empty(&mp->m_sync_list))
+			timeleft = schedule_timeout_interruptible(timeleft);
 		/* swsusp */
 		try_to_freeze();
 		if (kthread_should_stop() && list_empty(&mp->m_sync_list))
@@ -627,8 +628,7 @@ xfssyncd(
 			list_add_tail(&mp->m_sync_work.w_list,
 					&mp->m_sync_list);
 		}
-		list_for_each_entry_safe(work, n, &mp->m_sync_list, w_list)
-			list_move(&work->w_list, &tmp);
+		list_splice_init(&mp->m_sync_list, &tmp);
 		spin_unlock(&mp->m_sync_lock);
 
 		list_for_each_entry_safe(work, n, &tmp, w_list) {
@@ -688,12 +688,12 @@ xfs_inode_set_reclaim_tag(
 	struct xfs_perag *pag;
 
 	pag = xfs_perag_get(mp, XFS_INO_TO_AGNO(mp, ip->i_ino));
-	read_lock(&pag->pag_ici_lock);
+	write_lock(&pag->pag_ici_lock);
 	spin_lock(&ip->i_flags_lock);
 	__xfs_inode_set_reclaim_tag(pag, ip);
 	__xfs_iflags_set(ip, XFS_IRECLAIMABLE);
 	spin_unlock(&ip->i_flags_lock);
-	read_unlock(&pag->pag_ici_lock);
+	write_unlock(&pag->pag_ici_lock);
 	xfs_perag_put(pag);
 }
 
diff --git a/fs/xfs/linux-2.6/xfs_trace.c b/fs/xfs/linux-2.6/xfs_trace.c
index 856eb3c8d605..5a107601e969 100644
--- a/fs/xfs/linux-2.6/xfs_trace.c
+++ b/fs/xfs/linux-2.6/xfs_trace.c
@@ -52,22 +52,6 @@
 #include "quota/xfs_dquot.h"
 
 /*
- * Format fsblock number into a static buffer & return it.
- */
-STATIC char *xfs_fmtfsblock(xfs_fsblock_t bno)
-{
-	static char rval[50];
-
-	if (bno == NULLFSBLOCK)
-		sprintf(rval, "NULLFSBLOCK");
-	else if (isnullstartblock(bno))
-		sprintf(rval, "NULLSTARTBLOCK(%lld)", startblockval(bno));
-	else
-		sprintf(rval, "%lld", (xfs_dfsbno_t)bno);
-	return rval;
-}
-
-/*
  * We include this last to have the helpers above available for the trace
  * event implementations.
  */
diff --git a/fs/xfs/linux-2.6/xfs_trace.h b/fs/xfs/linux-2.6/xfs_trace.h
index a4574dcf5065..fcaa62f0799e 100644
--- a/fs/xfs/linux-2.6/xfs_trace.h
+++ b/fs/xfs/linux-2.6/xfs_trace.h
@@ -197,13 +197,13 @@ TRACE_EVENT(xfs_iext_insert,
 		__entry->caller_ip = caller_ip;
 	),
 	TP_printk("dev %d:%d ino 0x%llx state %s idx %ld "
-		  "offset %lld block %s count %lld flag %d caller %pf",
+		  "offset %lld block %lld count %lld flag %d caller %pf",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  __entry->ino,
 		  __print_flags(__entry->bmap_state, "|", XFS_BMAP_EXT_FLAGS),
 		  (long)__entry->idx,
 		  __entry->startoff,
-		  xfs_fmtfsblock(__entry->startblock),
+		  (__int64_t)__entry->startblock,
 		  __entry->blockcount,
 		  __entry->state,
 		  (char *)__entry->caller_ip)
@@ -241,13 +241,13 @@ DECLARE_EVENT_CLASS(xfs_bmap_class,
 		__entry->caller_ip = caller_ip;
 	),
 	TP_printk("dev %d:%d ino 0x%llx state %s idx %ld "
-		  "offset %lld block %s count %lld flag %d caller %pf",
+		  "offset %lld block %lld count %lld flag %d caller %pf",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
 		  __entry->ino,
 		  __print_flags(__entry->bmap_state, "|", XFS_BMAP_EXT_FLAGS),
 		  (long)__entry->idx,
 		  __entry->startoff,
-		  xfs_fmtfsblock(__entry->startblock),
+		  (__int64_t)__entry->startblock,
 		  __entry->blockcount,
 		  __entry->state,
 		  (char *)__entry->caller_ip)
@@ -593,7 +593,7 @@ DECLARE_EVENT_CLASS(xfs_dquot_class,
 	TP_ARGS(dqp),
 	TP_STRUCT__entry(
 		__field(dev_t, dev)
-		__field(__be32, id)
+		__field(u32, id)
 		__field(unsigned, flags)
 		__field(unsigned, nrefs)
 		__field(unsigned long long, res_bcount)
@@ -606,7 +606,7 @@ DECLARE_EVENT_CLASS(xfs_dquot_class,
 	), \
 	TP_fast_assign(
 		__entry->dev = dqp->q_mount->m_super->s_dev;
-		__entry->id = dqp->q_core.d_id;
+		__entry->id = be32_to_cpu(dqp->q_core.d_id);
 		__entry->flags = dqp->dq_flags;
 		__entry->nrefs = dqp->q_nrefs;
 		__entry->res_bcount = dqp->q_res_bcount;
@@ -622,10 +622,10 @@ DECLARE_EVENT_CLASS(xfs_dquot_class,
 			be64_to_cpu(dqp->q_core.d_ino_softlimit);
 	),
 	TP_printk("dev %d:%d id 0x%x flags %s nrefs %u res_bc 0x%llx "
-		  "bcnt 0x%llx [hard 0x%llx | soft 0x%llx] "
-		  "icnt 0x%llx [hard 0x%llx | soft 0x%llx]",
+		  "bcnt 0x%llx bhardlimit 0x%llx bsoftlimit 0x%llx "
+		  "icnt 0x%llx ihardlimit 0x%llx isoftlimit 0x%llx]",
 		  MAJOR(__entry->dev), MINOR(__entry->dev),
-		  be32_to_cpu(__entry->id),
+		  __entry->id,
 		  __print_flags(__entry->flags, "|", XFS_DQ_FLAGS),
 		  __entry->nrefs,
 		  __entry->res_bcount,
@@ -881,7 +881,7 @@ TRACE_EVENT(name, \
 	), \
 	TP_printk("dev %d:%d ino 0x%llx size 0x%llx new_size 0x%llx " \
 		  "offset 0x%llx count %zd flags %s " \
-		  "startoff 0x%llx startblock %s blockcount 0x%llx", \
+		  "startoff 0x%llx startblock %lld blockcount 0x%llx", \
 		  MAJOR(__entry->dev), MINOR(__entry->dev), \
 		  __entry->ino, \
 		  __entry->size, \
@@ -890,7 +890,7 @@ TRACE_EVENT(name, \
 		  __entry->count, \
 		  __print_flags(__entry->flags, "|", BMAPI_FLAGS), \
 		  __entry->startoff, \
-		  xfs_fmtfsblock(__entry->startblock), \
+		  (__int64_t)__entry->startblock, \
 		  __entry->blockcount) \
 )
 DEFINE_IOMAP_EVENT(xfs_iomap_enter);
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 1869fb973819..5c11e4d17010 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -2550,22 +2550,134 @@ xfs_bmap_rtalloc(
 }
 
 STATIC int
+xfs_bmap_btalloc_nullfb(
+	struct xfs_bmalloca	*ap,
+	struct xfs_alloc_arg	*args,
+	xfs_extlen_t		*blen)
+{
+	struct xfs_mount	*mp = ap->ip->i_mount;
+	struct xfs_perag	*pag;
+	xfs_agnumber_t		ag, startag;
+	int			notinit = 0;
+	int			error;
+
+	if (ap->userdata && xfs_inode_is_filestream(ap->ip))
+		args->type = XFS_ALLOCTYPE_NEAR_BNO;
+	else
+		args->type = XFS_ALLOCTYPE_START_BNO;
+	args->total = ap->total;
+
+	/*
+	 * Search for an allocation group with a single extent large enough
+	 * for the request.  If one isn't found, then adjust the minimum
+	 * allocation size to the largest space found.
+	 */
+	startag = ag = XFS_FSB_TO_AGNO(mp, args->fsbno);
+	if (startag == NULLAGNUMBER)
+		startag = ag = 0;
+
+	pag = xfs_perag_get(mp, ag);
+	while (*blen < ap->alen) {
+		if (!pag->pagf_init) {
+			error = xfs_alloc_pagf_init(mp, args->tp, ag,
+						    XFS_ALLOC_FLAG_TRYLOCK);
+			if (error) {
+				xfs_perag_put(pag);
+				return error;
+			}
+		}
+
+		/*
+		 * See xfs_alloc_fix_freelist...
+		 */
+		if (pag->pagf_init) {
+			xfs_extlen_t	longest;
+			longest = xfs_alloc_longest_free_extent(mp, pag);
+			if (*blen < longest)
+				*blen = longest;
+		} else
+			notinit = 1;
+
+		if (xfs_inode_is_filestream(ap->ip)) {
+			if (*blen >= ap->alen)
+				break;
+
+			if (ap->userdata) {
+				/*
+				 * If startag is an invalid AG, we've
+				 * come here once before and
+				 * xfs_filestream_new_ag picked the
+				 * best currently available.
+				 *
+				 * Don't continue looping, since we
+				 * could loop forever.
+				 */
+				if (startag == NULLAGNUMBER)
+					break;
+
+				error = xfs_filestream_new_ag(ap, &ag);
+				xfs_perag_put(pag);
+				if (error)
+					return error;
+
+				/* loop again to set 'blen'*/
+				startag = NULLAGNUMBER;
+				pag = xfs_perag_get(mp, ag);
+				continue;
+			}
+		}
+		if (++ag == mp->m_sb.sb_agcount)
+			ag = 0;
+		if (ag == startag)
+			break;
+		xfs_perag_put(pag);
+		pag = xfs_perag_get(mp, ag);
+	}
+	xfs_perag_put(pag);
+
+	/*
+	 * Since the above loop did a BUF_TRYLOCK, it is
+	 * possible that there is space for this request.
+	 */
+	if (notinit || *blen < ap->minlen)
+		args->minlen = ap->minlen;
+	/*
+	 * If the best seen length is less than the request
+	 * length, use the best as the minimum.
+	 */
+	else if (*blen < ap->alen)
+		args->minlen = *blen;
+	/*
+	 * Otherwise we've seen an extent as big as alen,
+	 * use that as the minimum.
+	 */
+	else
+		args->minlen = ap->alen;
+
+	/*
+	 * set the failure fallback case to look in the selected
+	 * AG as the stream may have moved.
+	 */
+	if (xfs_inode_is_filestream(ap->ip))
+		ap->rval = args->fsbno = XFS_AGB_TO_FSB(mp, ag, 0);
+
+	return 0;
+}
+
+STATIC int
 xfs_bmap_btalloc(
 	xfs_bmalloca_t	*ap)		/* bmap alloc argument struct */
 {
 	xfs_mount_t	*mp;		/* mount point structure */
 	xfs_alloctype_t	atype = 0;	/* type for allocation routines */
 	xfs_extlen_t	align;		/* minimum allocation alignment */
-	xfs_agnumber_t	ag;
 	xfs_agnumber_t	fb_agno;	/* ag number of ap->firstblock */
-	xfs_agnumber_t	startag;
+	xfs_agnumber_t	ag;
 	xfs_alloc_arg_t	args;
 	xfs_extlen_t	blen;
 	xfs_extlen_t	nextminlen = 0;
-	xfs_perag_t	*pag;
 	int		nullfb;		/* true if ap->firstblock isn't set */
 	int		isaligned;
-	int		notinit;
 	int		tryagain;
 	int		error;
 
@@ -2612,103 +2724,9 @@ xfs_bmap_btalloc(
 	args.firstblock = ap->firstblock;
 	blen = 0;
 	if (nullfb) {
-		if (ap->userdata && xfs_inode_is_filestream(ap->ip))
-			args.type = XFS_ALLOCTYPE_NEAR_BNO;
-		else
-			args.type = XFS_ALLOCTYPE_START_BNO;
-		args.total = ap->total;
-
-		/*
-		 * Search for an allocation group with a single extent
-		 * large enough for the request.
-		 *
-		 * If one isn't found, then adjust the minimum allocation
-		 * size to the largest space found.
-		 */
-		startag = ag = XFS_FSB_TO_AGNO(mp, args.fsbno);
-		if (startag == NULLAGNUMBER)
-			startag = ag = 0;
-		notinit = 0;
-		pag = xfs_perag_get(mp, ag);
-		while (blen < ap->alen) {
-			if (!pag->pagf_init &&
-			    (error = xfs_alloc_pagf_init(mp, args.tp,
-				    ag, XFS_ALLOC_FLAG_TRYLOCK))) {
-				xfs_perag_put(pag);
-				return error;
-			}
-			/*
-			 * See xfs_alloc_fix_freelist...
-			 */
-			if (pag->pagf_init) {
-				xfs_extlen_t	longest;
-				longest = xfs_alloc_longest_free_extent(mp, pag);
-				if (blen < longest)
-					blen = longest;
-			} else
-				notinit = 1;
-
-			if (xfs_inode_is_filestream(ap->ip)) {
-				if (blen >= ap->alen)
-					break;
-
-				if (ap->userdata) {
-					/*
-					 * If startag is an invalid AG, we've
-					 * come here once before and
-					 * xfs_filestream_new_ag picked the
-					 * best currently available.
-					 *
-					 * Don't continue looping, since we
-					 * could loop forever.
-					 */
-					if (startag == NULLAGNUMBER)
-						break;
-
-					error = xfs_filestream_new_ag(ap, &ag);
-					xfs_perag_put(pag);
-					if (error)
-						return error;
-
-					/* loop again to set 'blen'*/
-					startag = NULLAGNUMBER;
-					pag = xfs_perag_get(mp, ag);
-					continue;
-				}
-			}
-			if (++ag == mp->m_sb.sb_agcount)
-				ag = 0;
-			if (ag == startag)
-				break;
-			xfs_perag_put(pag);
-			pag = xfs_perag_get(mp, ag);
-		}
-		xfs_perag_put(pag);
-		/*
-		 * Since the above loop did a BUF_TRYLOCK, it is
-		 * possible that there is space for this request.
-		 */
-		if (notinit || blen < ap->minlen)
-			args.minlen = ap->minlen;
-		/*
-		 * If the best seen length is less than the request
-		 * length, use the best as the minimum.
-		 */
-		else if (blen < ap->alen)
-			args.minlen = blen;
-		/*
-		 * Otherwise we've seen an extent as big as alen,
-		 * use that as the minimum.
-		 */
-		else
-			args.minlen = ap->alen;
-
-		/*
-		 * set the failure fallback case to look in the selected
-		 * AG as the stream may have moved.
-		 */
-		if (xfs_inode_is_filestream(ap->ip))
-			ap->rval = args.fsbno = XFS_AGB_TO_FSB(mp, ag, 0);
+		error = xfs_bmap_btalloc_nullfb(ap, &args, &blen);
+		if (error)
+			return error;
 	} else if (ap->low) {
 		if (xfs_inode_is_filestream(ap->ip))
 			args.type = XFS_ALLOCTYPE_FIRST_AG;
diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h
index f52ac276277e..7cf7220e7d5f 100644
--- a/fs/xfs/xfs_fs.h
+++ b/fs/xfs/xfs_fs.h
@@ -292,7 +292,8 @@ typedef struct xfs_bstat {
 	__s32		bs_extents;	/* number of extents		*/
 	__u32		bs_gen;		/* generation count		*/
 	__u16		bs_projid;	/* project id			*/
-	unsigned char	bs_pad[14];	/* pad space, unused		*/
+	__u16		bs_forkoff;	/* inode fork offset in bytes	*/
+	unsigned char	bs_pad[12];	/* pad space, unused		*/
 	__u32		bs_dmevmask;	/* DMIG event mask		*/
 	__u16		bs_dmstate;	/* DMIG state info		*/
 	__u16		bs_aextents;	/* attribute number of extents	*/
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index e281eb4a1c49..6845db90818f 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -190,13 +190,12 @@ xfs_iget_cache_hit(
 		trace_xfs_iget_reclaim(ip);
 
 		/*
-		 * We need to set XFS_INEW atomically with clearing the
-		 * reclaimable tag so that we do have an indicator of the
-		 * inode still being initialized.
+		 * We need to set XFS_IRECLAIM to prevent xfs_reclaim_inode
+		 * from stomping over us while we recycle the inode.  We can't
+		 * clear the radix tree reclaimable tag yet as it requires
+		 * pag_ici_lock to be held exclusive.
 		 */
-		ip->i_flags |= XFS_INEW;
-		ip->i_flags &= ~XFS_IRECLAIMABLE;
-		__xfs_inode_clear_reclaim_tag(mp, pag, ip);
+		ip->i_flags |= XFS_IRECLAIM;
 
 		spin_unlock(&ip->i_flags_lock);
 		read_unlock(&pag->pag_ici_lock);
@@ -216,7 +215,15 @@ xfs_iget_cache_hit(
 			trace_xfs_iget_reclaim(ip);
 			goto out_error;
 		}
+
+		write_lock(&pag->pag_ici_lock);
+		spin_lock(&ip->i_flags_lock);
+		ip->i_flags &= ~(XFS_IRECLAIMABLE | XFS_IRECLAIM);
+		ip->i_flags |= XFS_INEW;
+		__xfs_inode_clear_reclaim_tag(mp, pag, ip);
 		inode->i_state = I_NEW;
+		spin_unlock(&ip->i_flags_lock);
+		write_unlock(&pag->pag_ici_lock);
 	} else {
 		/* If the VFS inode is being torn down, pause and try again. */
 		if (!igrab(inode)) {
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index fa31360046d4..0ffd56447045 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2439,75 +2439,31 @@ xfs_idestroy_fork(
 }
 
 /*
- * Increment the pin count of the given buffer.
- * This value is protected by ipinlock spinlock in the mount structure.
+ * This is called to unpin an inode.  The caller must have the inode locked
+ * in at least shared mode so that the buffer cannot be subsequently pinned
+ * once someone is waiting for it to be unpinned.
  */
-void
-xfs_ipin(
-	xfs_inode_t	*ip)
-{
-	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
-
-	atomic_inc(&ip->i_pincount);
-}
-
-/*
- * Decrement the pin count of the given inode, and wake up
- * anyone in xfs_iwait_unpin() if the count goes to 0.  The
- * inode must have been previously pinned with a call to xfs_ipin().
- */
-void
-xfs_iunpin(
-	xfs_inode_t	*ip)
-{
-	ASSERT(atomic_read(&ip->i_pincount) > 0);
-
-	if (atomic_dec_and_test(&ip->i_pincount))
-		wake_up(&ip->i_ipin_wait);
-}
-
-/*
- * This is called to unpin an inode. It can be directed to wait or to return
- * immediately without waiting for the inode to be unpinned.  The caller must
- * have the inode locked in at least shared mode so that the buffer cannot be
- * subsequently pinned once someone is waiting for it to be unpinned.
- */
-STATIC void
-__xfs_iunpin_wait(
-	xfs_inode_t	*ip,
-	int		wait)
+static void
+xfs_iunpin_nowait(
+	struct xfs_inode	*ip)
 {
-	xfs_inode_log_item_t	*iip = ip->i_itemp;
-
 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL|XFS_ILOCK_SHARED));
-	if (atomic_read(&ip->i_pincount) == 0)
-		return;
 
 	/* Give the log a push to start the unpinning I/O */
-	if (iip && iip->ili_last_lsn)
-		xfs_log_force_lsn(ip->i_mount, iip->ili_last_lsn, 0);
-	else
-		xfs_log_force(ip->i_mount, 0);
+	xfs_log_force_lsn(ip->i_mount, ip->i_itemp->ili_last_lsn, 0);
 
-	if (wait)
-		wait_event(ip->i_ipin_wait, (atomic_read(&ip->i_pincount) == 0));
 }
 
 void
 xfs_iunpin_wait(
-	xfs_inode_t	*ip)
+	struct xfs_inode	*ip)
 {
-	__xfs_iunpin_wait(ip, 1);
-}
-
-static inline void
-xfs_iunpin_nowait(
-	xfs_inode_t	*ip)
-{
-	__xfs_iunpin_wait(ip, 0);
+	if (xfs_ipincount(ip)) {
+		xfs_iunpin_nowait(ip);
+		wait_event(ip->i_ipin_wait, (xfs_ipincount(ip) == 0));
+	}
 }
 
-
 /*
  * xfs_iextents_copy()
  *
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 6c912b027596..9965e40a4615 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -471,8 +471,6 @@ int		xfs_itruncate_finish(struct xfs_trans **, xfs_inode_t *,
 int		xfs_iunlink(struct xfs_trans *, xfs_inode_t *);
 
 void		xfs_iext_realloc(xfs_inode_t *, int, int);
-void		xfs_ipin(xfs_inode_t *);
-void		xfs_iunpin(xfs_inode_t *);
 void		xfs_iunpin_wait(xfs_inode_t *);
 int		xfs_iflush(xfs_inode_t *, uint);
 void		xfs_ichgtime(xfs_inode_t *, int);
@@ -480,6 +478,7 @@ void		xfs_lock_inodes(xfs_inode_t **, int, uint);
 void		xfs_lock_two_inodes(xfs_inode_t *, xfs_inode_t *, uint);
 
 void		xfs_synchronize_times(xfs_inode_t *);
+void		xfs_mark_inode_dirty(xfs_inode_t *);
 void		xfs_mark_inode_dirty_sync(xfs_inode_t *);
 
 #define IHOLD(ip) \
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index d4dc063111f8..7bfea8540159 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -535,23 +535,23 @@ xfs_inode_item_format(
 
 /*
  * This is called to pin the inode associated with the inode log
- * item in memory so it cannot be written out.  Do this by calling
- * xfs_ipin() to bump the pin count in the inode while holding the
- * inode pin lock.
+ * item in memory so it cannot be written out.
  */
 STATIC void
 xfs_inode_item_pin(
 	xfs_inode_log_item_t	*iip)
 {
 	ASSERT(xfs_isilocked(iip->ili_inode, XFS_ILOCK_EXCL));
-	xfs_ipin(iip->ili_inode);
+
+	atomic_inc(&iip->ili_inode->i_pincount);
 }
 
 
 /*
  * This is called to unpin the inode associated with the inode log
  * item which was previously pinned with a call to xfs_inode_item_pin().
- * Just call xfs_iunpin() on the inode to do this.
+ *
+ * Also wake up anyone in xfs_iunpin_wait() if the count goes to 0.
  */
 /* ARGSUSED */
 STATIC void
@@ -559,7 +559,11 @@ xfs_inode_item_unpin(
 	xfs_inode_log_item_t	*iip,
 	int			stale)
 {
-	xfs_iunpin(iip->ili_inode);
+	struct xfs_inode	*ip = iip->ili_inode;
+
+	ASSERT(atomic_read(&ip->i_pincount) > 0);
+	if (atomic_dec_and_test(&ip->i_pincount))
+		wake_up(&ip->i_ipin_wait);
 }
 
 /* ARGSUSED */
@@ -568,7 +572,7 @@ xfs_inode_item_unpin_remove(
 	xfs_inode_log_item_t	*iip,
 	xfs_trans_t		*tp)
 {
-	xfs_iunpin(iip->ili_inode);
+	xfs_inode_item_unpin(iip, 0);
 }
 
 /*
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index 3af02314c605..b1b801e4a28e 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -106,6 +106,7 @@ xfs_bulkstat_one_iget(
 	buf->bs_dmevmask = dic->di_dmevmask;
 	buf->bs_dmstate = dic->di_dmstate;
 	buf->bs_aextents = dic->di_anextents;
+	buf->bs_forkoff = XFS_IFORK_BOFF(ip);
 
 	switch (dic->di_format) {
 	case XFS_DINODE_FMT_DEV:
@@ -176,6 +177,7 @@ xfs_bulkstat_one_dinode(
 	buf->bs_dmevmask = be32_to_cpu(dic->di_dmevmask);
 	buf->bs_dmstate = be16_to_cpu(dic->di_dmstate);
 	buf->bs_aextents = be16_to_cpu(dic->di_anextents);
+	buf->bs_forkoff = XFS_DFORK_BOFF(dic);
 
 	switch (dic->di_format) {
 	case XFS_DINODE_FMT_DEV:
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 4f16be4b6ee5..e8fba92d7cd9 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -60,7 +60,7 @@ STATIC int	 xlog_space_left(xlog_t *log, int cycle, int bytes);
 STATIC int	 xlog_sync(xlog_t *log, xlog_in_core_t *iclog);
 STATIC void	 xlog_dealloc_log(xlog_t *log);
 STATIC int	 xlog_write(xfs_mount_t *mp, xfs_log_iovec_t region[],
-			    int nentries, xfs_log_ticket_t tic,
+			    int nentries, struct xlog_ticket *tic,
 			    xfs_lsn_t *start_lsn,
 			    xlog_in_core_t **commit_iclog,
 			    uint flags);
@@ -243,14 +243,14 @@ xlog_tic_add_region(xlog_ticket_t *tic, uint len, uint type)
  * out when the next write occurs.
  */
 xfs_lsn_t
-xfs_log_done(xfs_mount_t	*mp,
-	     xfs_log_ticket_t	xtic,
-	     void		**iclog,
-	     uint		flags)
+xfs_log_done(
+	struct xfs_mount	*mp,
+	struct xlog_ticket	*ticket,
+	struct xlog_in_core	**iclog,
+	uint			flags)
 {
-	xlog_t		*log    = mp->m_log;
-	xlog_ticket_t	*ticket = (xfs_log_ticket_t) xtic;
-	xfs_lsn_t	lsn	= 0;
+	struct log		*log = mp->m_log;
+	xfs_lsn_t		lsn = 0;
 
 	if (XLOG_FORCED_SHUTDOWN(log) ||
 	    /*
@@ -258,8 +258,7 @@ xfs_log_done(xfs_mount_t	*mp,
 	     * If we get an error, just continue and give back the log ticket.
 	     */
 	    (((ticket->t_flags & XLOG_TIC_INITED) == 0) &&
-	     (xlog_commit_record(mp, ticket,
-				 (xlog_in_core_t **)iclog, &lsn)))) {
+	     (xlog_commit_record(mp, ticket, iclog, &lsn)))) {
 		lsn = (xfs_lsn_t) -1;
 		if (ticket->t_flags & XLOG_TIC_PERM_RESERV) {
 			flags |= XFS_LOG_REL_PERM_RESERV;
@@ -289,7 +288,7 @@ xfs_log_done(xfs_mount_t	*mp,
 	}
 
 	return lsn;
-}	/* xfs_log_done */
+}
 
 /*
  * Attaches a new iclog I/O completion callback routine during
@@ -298,11 +297,11 @@ xfs_log_done(xfs_mount_t	*mp,
  * executing the callback at an appropriate time.
  */
 int
-xfs_log_notify(xfs_mount_t	  *mp,		/* mount of partition */
-	       void		  *iclog_hndl,	/* iclog to hang callback off */
-	       xfs_log_callback_t *cb)
+xfs_log_notify(
+	struct xfs_mount	*mp,
+	struct xlog_in_core	*iclog,
+	xfs_log_callback_t	*cb)
 {
-	xlog_in_core_t	  *iclog = (xlog_in_core_t *)iclog_hndl;
 	int	abortflg;
 
 	spin_lock(&iclog->ic_callback_lock);
@@ -316,16 +315,14 @@ xfs_log_notify(xfs_mount_t	  *mp,		/* mount of partition */
 	}
 	spin_unlock(&iclog->ic_callback_lock);
 	return abortflg;
-}	/* xfs_log_notify */
+}
 
 int
-xfs_log_release_iclog(xfs_mount_t *mp,
-		      void	  *iclog_hndl)
+xfs_log_release_iclog(
+	struct xfs_mount	*mp,
+	struct xlog_in_core	*iclog)
 {
-	xlog_t *log = mp->m_log;
-	xlog_in_core_t	  *iclog = (xlog_in_core_t *)iclog_hndl;
-
-	if (xlog_state_release_iclog(log, iclog)) {
+	if (xlog_state_release_iclog(mp->m_log, iclog)) {
 		xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);
 		return EIO;
 	}
@@ -344,17 +341,18 @@ xfs_log_release_iclog(xfs_mount_t *mp,
  * reservation, we prevent over allocation problems.
  */
 int
-xfs_log_reserve(xfs_mount_t	 *mp,
-		int		 unit_bytes,
-		int		 cnt,
-		xfs_log_ticket_t *ticket,
-		__uint8_t	 client,
-		uint		 flags,
-		uint		 t_type)
+xfs_log_reserve(
+	struct xfs_mount	*mp,
+	int		 	unit_bytes,
+	int		 	cnt,
+	struct xlog_ticket	**ticket,
+	__uint8_t	 	client,
+	uint		 	flags,
+	uint		 	t_type)
 {
-	xlog_t		*log = mp->m_log;
-	xlog_ticket_t	*internal_ticket;
-	int		retval = 0;
+	struct log		*log = mp->m_log;
+	struct xlog_ticket	*internal_ticket;
+	int			retval = 0;
 
 	ASSERT(client == XFS_TRANSACTION || client == XFS_LOG);
 	ASSERT((flags & XFS_LOG_NOSLEEP) == 0);
@@ -367,7 +365,7 @@ xfs_log_reserve(xfs_mount_t	 *mp,
 
 	if (*ticket != NULL) {
 		ASSERT(flags & XFS_LOG_PERM_RESERV);
-		internal_ticket = (xlog_ticket_t *)*ticket;
+		internal_ticket = *ticket;
 
 		trace_xfs_log_reserve(log, internal_ticket);
 
@@ -519,7 +517,7 @@ xfs_log_unmount_write(xfs_mount_t *mp)
 	xlog_in_core_t	 *first_iclog;
 #endif
 	xfs_log_iovec_t  reg[1];
-	xfs_log_ticket_t tic = NULL;
+	xlog_ticket_t	*tic = NULL;
 	xfs_lsn_t	 lsn;
 	int		 error;
 
@@ -656,24 +654,24 @@ xfs_log_unmount(xfs_mount_t *mp)
  * transaction occur with one call to xfs_log_write().
  */
 int
-xfs_log_write(xfs_mount_t *	mp,
-	      xfs_log_iovec_t	reg[],
-	      int		nentries,
-	      xfs_log_ticket_t	tic,
-	      xfs_lsn_t		*start_lsn)
+xfs_log_write(
+	struct xfs_mount	*mp,
+	struct xfs_log_iovec	reg[],
+	int			nentries,
+	struct xlog_ticket	*tic,
+	xfs_lsn_t		*start_lsn)
 {
-	int	error;
-	xlog_t *log = mp->m_log;
+	struct log		*log = mp->m_log;
+	int			error;
 
 	if (XLOG_FORCED_SHUTDOWN(log))
 		return XFS_ERROR(EIO);
 
-	if ((error = xlog_write(mp, reg, nentries, tic, start_lsn, NULL, 0))) {
+	error = xlog_write(mp, reg, nentries, tic, start_lsn, NULL, 0);
+	if (error)
 		xfs_force_shutdown(mp, SHUTDOWN_LOG_IO_ERROR);
-	}
 	return error;
-}	/* xfs_log_write */
-
+}
 
 void
 xfs_log_move_tail(xfs_mount_t	*mp,
@@ -1642,16 +1640,16 @@ xlog_print_tic_res(xfs_mount_t *mp, xlog_ticket_t *ticket)
  *	bytes have been written out.
  */
 STATIC int
-xlog_write(xfs_mount_t *	mp,
-	   xfs_log_iovec_t	reg[],
-	   int			nentries,
-	   xfs_log_ticket_t	tic,
-	   xfs_lsn_t		*start_lsn,
-	   xlog_in_core_t	**commit_iclog,
-	   uint			flags)
+xlog_write(
+	struct xfs_mount	*mp,
+	struct xfs_log_iovec	reg[],
+	int			nentries,
+	struct xlog_ticket	*ticket,
+	xfs_lsn_t		*start_lsn,
+	struct xlog_in_core	**commit_iclog,
+	uint			flags)
 {
     xlog_t	     *log = mp->m_log;
-    xlog_ticket_t    *ticket = (xlog_ticket_t *)tic;
     xlog_in_core_t   *iclog = NULL;  /* ptr to current in-core log */
     xlog_op_header_t *logop_head;    /* ptr to log operation header */
     __psint_t	     ptr;	     /* copy address into data region */
@@ -1765,7 +1763,7 @@ xlog_write(xfs_mount_t *	mp,
 	    default:
 		xfs_fs_cmn_err(CE_WARN, mp,
 		    "Bad XFS transaction clientid 0x%x in ticket 0x%p",
-		    logop_head->oh_clientid, tic);
+		    logop_head->oh_clientid, ticket);
 		return XFS_ERROR(EIO);
 	    }
 
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index 7074be9d13e9..97a24c7795a4 100644
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -110,8 +110,6 @@ typedef struct xfs_log_iovec {
 	uint		i_type;		/* type of region */
 } xfs_log_iovec_t;
 
-typedef void* xfs_log_ticket_t;
-
 /*
  * Structure used to pass callback function and the function's argument
  * to the log manager.
@@ -126,10 +124,12 @@ typedef struct xfs_log_callback {
 #ifdef __KERNEL__
 /* Log manager interfaces */
 struct xfs_mount;
+struct xlog_in_core;
 struct xlog_ticket;
+
 xfs_lsn_t xfs_log_done(struct xfs_mount *mp,
-		       xfs_log_ticket_t ticket,
-		       void		**iclog,
+		       struct xlog_ticket *ticket,
+		       struct xlog_in_core **iclog,
 		       uint		flags);
 int	  _xfs_log_force(struct xfs_mount *mp,
 			 uint		flags,
@@ -151,21 +151,21 @@ int	  xfs_log_mount_finish(struct xfs_mount *mp);
 void	  xfs_log_move_tail(struct xfs_mount	*mp,
 			    xfs_lsn_t		tail_lsn);
 int	  xfs_log_notify(struct xfs_mount	*mp,
-			 void			*iclog,
+			 struct xlog_in_core	*iclog,
 			 xfs_log_callback_t	*callback_entry);
 int	  xfs_log_release_iclog(struct xfs_mount *mp,
-			 void			 *iclog_hndl);
+			 struct xlog_in_core	 *iclog);
 int	  xfs_log_reserve(struct xfs_mount *mp,
 			  int		   length,
 			  int		   count,
-			  xfs_log_ticket_t *ticket,
+			  struct xlog_ticket **ticket,
 			  __uint8_t	   clientid,
 			  uint		   flags,
 			  uint		   t_type);
 int	  xfs_log_write(struct xfs_mount *mp,
 			xfs_log_iovec_t  region[],
 			int		 nentries,
-			xfs_log_ticket_t ticket,
+			struct xlog_ticket *ticket,
 			xfs_lsn_t	 *start_lsn);
 int	  xfs_log_unmount_write(struct xfs_mount *mp);
 void      xfs_log_unmount(struct xfs_mount *mp);
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 6afaaeb2950a..e79b56b4bca6 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -1097,13 +1097,15 @@ xfs_default_resblks(xfs_mount_t *mp)
 	__uint64_t resblks;
 
 	/*
-	 * We default to 5% or 1024 fsbs of space reserved, whichever is smaller.
-	 * This may drive us straight to ENOSPC on mount, but that implies
-	 * we were already there on the last unmount. Warn if this occurs.
+	 * We default to 5% or 8192 fsbs of space reserved, whichever is
+	 * smaller.  This is intended to cover concurrent allocation
+	 * transactions when we initially hit enospc. These each require a 4
+	 * block reservation. Hence by default we cover roughly 2000 concurrent
+	 * allocation reservations.
 	 */
 	resblks = mp->m_sb.sb_dblocks;
 	do_div(resblks, 20);
-	resblks = min_t(__uint64_t, resblks, 1024);
+	resblks = min_t(__uint64_t, resblks, 8192);
 	return resblks;
 }
 
@@ -1417,6 +1419,9 @@ xfs_mountfs(
 	 * when at ENOSPC. This is needed for operations like create with
 	 * attr, unwritten extent conversion at ENOSPC, etc. Data allocations
 	 * are not allowed to use this reserved space.
+	 *
+	 * This may drive us straight to ENOSPC on mount, but that implies
+	 * we were already there on the last unmount. Warn if this occurs.
 	 */
 	if (!(mp->m_flags & XFS_MOUNT_RDONLY)) {
 		resblks = xfs_default_resblks(mp);
@@ -1725,26 +1730,30 @@ xfs_mod_incore_sb_unlocked(
 				lcounter += rem;
 			}
 		} else {				/* Taking blocks away */
-
 			lcounter += delta;
+			if (lcounter >= 0) {
+				mp->m_sb.sb_fdblocks = lcounter +
+							XFS_ALLOC_SET_ASIDE(mp);
+				return 0;
+			}
 
-		/*
-		 * If were out of blocks, use any available reserved blocks if
-		 * were allowed to.
-		 */
+			/*
+			 * We are out of blocks, use any available reserved
+			 * blocks if were allowed to.
+			 */
+			if (!rsvd)
+				return XFS_ERROR(ENOSPC);
 
-			if (lcounter < 0) {
-				if (rsvd) {
-					lcounter = (long long)mp->m_resblks_avail + delta;
-					if (lcounter < 0) {
-						return XFS_ERROR(ENOSPC);
-					}
-					mp->m_resblks_avail = lcounter;
-					return 0;
-				} else {	/* not reserved */
-					return XFS_ERROR(ENOSPC);
-				}
+			lcounter = (long long)mp->m_resblks_avail + delta;
+			if (lcounter >= 0) {
+				mp->m_resblks_avail = lcounter;
+				return 0;
 			}
+			printk_once(KERN_WARNING
+				"Filesystem \"%s\": reserve blocks depleted! "
+				"Consider increasing reserve pool size.",
+				mp->m_fsname);
+			return XFS_ERROR(ENOSPC);
 		}
 
 		mp->m_sb.sb_fdblocks = lcounter + XFS_ALLOC_SET_ASIDE(mp);
@@ -2052,6 +2061,26 @@ xfs_mount_log_sb(
 	return error;
 }
 
+/*
+ * If the underlying (data/log/rt) device is readonly, there are some
+ * operations that cannot proceed.
+ */
+int
+xfs_dev_is_read_only(
+	struct xfs_mount	*mp,
+	char			*message)
+{
+	if (xfs_readonly_buftarg(mp->m_ddev_targp) ||
+	    xfs_readonly_buftarg(mp->m_logdev_targp) ||
+	    (mp->m_rtdev_targp && xfs_readonly_buftarg(mp->m_rtdev_targp))) {
+		cmn_err(CE_NOTE,
+			"XFS: %s required on read-only device.", message);
+		cmn_err(CE_NOTE,
+			"XFS: write access unavailable, cannot proceed.");
+		return EROFS;
+	}
+	return 0;
+}
 
 #ifdef HAVE_PERCPU_SB
 /*
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 70504fcf14cd..4fa0bc7b983e 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -245,7 +245,7 @@ typedef struct xfs_mount {
 	struct xfs_qmops	*m_qm_ops;	/* vector of XQM ops */
 	atomic_t		m_active_trans;	/* number trans frozen */
 #ifdef HAVE_PERCPU_SB
-	xfs_icsb_cnts_t		*m_sb_cnts;	/* per-cpu superblock counters */
+	xfs_icsb_cnts_t __percpu *m_sb_cnts;	/* per-cpu superblock counters */
 	unsigned long		m_icsb_counters; /* disabled per-cpu counters */
 	struct notifier_block	m_icsb_notifier; /* hotplug cpu notifier */
 	struct mutex		m_icsb_mutex;	/* balancer sync lock */
@@ -436,6 +436,8 @@ extern void	xfs_freesb(xfs_mount_t *);
 extern int	xfs_fs_writable(xfs_mount_t *);
 extern int	xfs_sb_validate_fsb_count(struct xfs_sb *, __uint64_t);
 
+extern int	xfs_dev_is_read_only(struct xfs_mount *, char *);
+
 extern int	xfs_dmops_get(struct xfs_mount *);
 extern void	xfs_dmops_put(struct xfs_mount *);
 
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index be942d4e3324..f73e358bae8d 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -796,7 +796,7 @@ _xfs_trans_commit(
 	int			sync;
 #define	XFS_TRANS_LOGVEC_COUNT	16
 	xfs_log_iovec_t		log_vector_fast[XFS_TRANS_LOGVEC_COUNT];
-	void			*commit_iclog;
+	struct xlog_in_core	*commit_iclog;
 	int			shutdown;
 
 	commit_lsn = -1;
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index c93e3a102857..79c8bab9dfff 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -910,7 +910,7 @@ typedef struct xfs_trans {
 	unsigned int		t_blk_res_used;	/* # of resvd blocks used */
 	unsigned int		t_rtx_res;	/* # of rt extents resvd */
 	unsigned int		t_rtx_res_used;	/* # of resvd rt extents used */
-	xfs_log_ticket_t	t_ticket;	/* log mgr ticket */
+	struct xlog_ticket	*t_ticket;	/* log mgr ticket */
 	xfs_lsn_t		t_lsn;		/* log seq num of start of
 						 * transaction. */
 	xfs_lsn_t		t_commit_lsn;	/* log seq num of end of
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 5ffd544434eb..fb586360d1c9 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -46,6 +46,65 @@ STATIC xfs_buf_t *xfs_trans_buf_item_match(xfs_trans_t *, xfs_buftarg_t *,
 STATIC xfs_buf_t *xfs_trans_buf_item_match_all(xfs_trans_t *, xfs_buftarg_t *,
 		xfs_daddr_t, int);
 
+/*
+ * Add the locked buffer to the transaction.
+ *
+ * The buffer must be locked, and it cannot be associated with any
+ * transaction.
+ *
+ * If the buffer does not yet have a buf log item associated with it,
+ * then allocate one for it.  Then add the buf item to the transaction.
+ */
+STATIC void
+_xfs_trans_bjoin(
+	struct xfs_trans	*tp,
+	struct xfs_buf		*bp,
+	int			reset_recur)
+{
+	struct xfs_buf_log_item	*bip;
+
+	ASSERT(XFS_BUF_ISBUSY(bp));
+	ASSERT(XFS_BUF_FSPRIVATE2(bp, void *) == NULL);
+
+	/*
+	 * The xfs_buf_log_item pointer is stored in b_fsprivate.  If
+	 * it doesn't have one yet, then allocate one and initialize it.
+	 * The checks to see if one is there are in xfs_buf_item_init().
+	 */
+	xfs_buf_item_init(bp, tp->t_mountp);
+	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *);
+	ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
+	ASSERT(!(bip->bli_format.blf_flags & XFS_BLI_CANCEL));
+	ASSERT(!(bip->bli_flags & XFS_BLI_LOGGED));
+	if (reset_recur)
+		bip->bli_recur = 0;
+
+	/*
+	 * Take a reference for this transaction on the buf item.
+	 */
+	atomic_inc(&bip->bli_refcount);
+
+	/*
+	 * Get a log_item_desc to point at the new item.
+	 */
+	(void) xfs_trans_add_item(tp, (xfs_log_item_t *)bip);
+
+	/*
+	 * Initialize b_fsprivate2 so we can find it with incore_match()
+	 * in xfs_trans_get_buf() and friends above.
+	 */
+	XFS_BUF_SET_FSPRIVATE2(bp, tp);
+
+}
+
+void
+xfs_trans_bjoin(
+	struct xfs_trans	*tp,
+	struct xfs_buf		*bp)
+{
+	_xfs_trans_bjoin(tp, bp, 0);
+	trace_xfs_trans_bjoin(bp->b_fspriv);
+}
 
 /*
  * Get and lock the buffer for the caller if it is not already
@@ -132,40 +191,8 @@ xfs_trans_get_buf(xfs_trans_t	*tp,
 
 	ASSERT(!XFS_BUF_GETERROR(bp));
 
-	/*
-	 * The xfs_buf_log_item pointer is stored in b_fsprivate.  If
-	 * it doesn't have one yet, then allocate one and initialize it.
-	 * The checks to see if one is there are in xfs_buf_item_init().
-	 */
-	xfs_buf_item_init(bp, tp->t_mountp);
-
-	/*
-	 * Set the recursion count for the buffer within this transaction
-	 * to 0.
-	 */
-	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t*);
-	ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
-	ASSERT(!(bip->bli_format.blf_flags & XFS_BLI_CANCEL));
-	ASSERT(!(bip->bli_flags & XFS_BLI_LOGGED));
-	bip->bli_recur = 0;
-
-	/*
-	 * Take a reference for this transaction on the buf item.
-	 */
-	atomic_inc(&bip->bli_refcount);
-
-	/*
-	 * Get a log_item_desc to point at the new item.
-	 */
-	(void) xfs_trans_add_item(tp, (xfs_log_item_t*)bip);
-
-	/*
-	 * Initialize b_fsprivate2 so we can find it with incore_match()
-	 * above.
-	 */
-	XFS_BUF_SET_FSPRIVATE2(bp, tp);
-
-	trace_xfs_trans_get_buf(bip);
+	_xfs_trans_bjoin(tp, bp, 1);
+	trace_xfs_trans_get_buf(bp->b_fspriv);
 	return (bp);
 }
 
@@ -210,44 +237,11 @@ xfs_trans_getsb(xfs_trans_t	*tp,
 	}
 
 	bp = xfs_getsb(mp, flags);
-	if (bp == NULL) {
+	if (bp == NULL)
 		return NULL;
-	}
-
-	/*
-	 * The xfs_buf_log_item pointer is stored in b_fsprivate.  If
-	 * it doesn't have one yet, then allocate one and initialize it.
-	 * The checks to see if one is there are in xfs_buf_item_init().
-	 */
-	xfs_buf_item_init(bp, mp);
-
-	/*
-	 * Set the recursion count for the buffer within this transaction
-	 * to 0.
-	 */
-	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t*);
-	ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
-	ASSERT(!(bip->bli_format.blf_flags & XFS_BLI_CANCEL));
-	ASSERT(!(bip->bli_flags & XFS_BLI_LOGGED));
-	bip->bli_recur = 0;
-
-	/*
-	 * Take a reference for this transaction on the buf item.
-	 */
-	atomic_inc(&bip->bli_refcount);
-
-	/*
-	 * Get a log_item_desc to point at the new item.
-	 */
-	(void) xfs_trans_add_item(tp, (xfs_log_item_t*)bip);
-
-	/*
-	 * Initialize b_fsprivate2 so we can find it with incore_match()
-	 * above.
-	 */
-	XFS_BUF_SET_FSPRIVATE2(bp, tp);
 
-	trace_xfs_trans_getsb(bip);
+	_xfs_trans_bjoin(tp, bp, 1);
+	trace_xfs_trans_getsb(bp->b_fspriv);
 	return (bp);
 }
 
@@ -425,40 +419,9 @@ xfs_trans_read_buf(
 	if (XFS_FORCED_SHUTDOWN(mp))
 		goto shutdown_abort;
 
-	/*
-	 * The xfs_buf_log_item pointer is stored in b_fsprivate.  If
-	 * it doesn't have one yet, then allocate one and initialize it.
-	 * The checks to see if one is there are in xfs_buf_item_init().
-	 */
-	xfs_buf_item_init(bp, tp->t_mountp);
+	_xfs_trans_bjoin(tp, bp, 1);
+	trace_xfs_trans_read_buf(bp->b_fspriv);
 
-	/*
-	 * Set the recursion count for the buffer within this transaction
-	 * to 0.
-	 */
-	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t*);
-	ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
-	ASSERT(!(bip->bli_format.blf_flags & XFS_BLI_CANCEL));
-	ASSERT(!(bip->bli_flags & XFS_BLI_LOGGED));
-	bip->bli_recur = 0;
-
-	/*
-	 * Take a reference for this transaction on the buf item.
-	 */
-	atomic_inc(&bip->bli_refcount);
-
-	/*
-	 * Get a log_item_desc to point at the new item.
-	 */
-	(void) xfs_trans_add_item(tp, (xfs_log_item_t*)bip);
-
-	/*
-	 * Initialize b_fsprivate2 so we can find it with incore_match()
-	 * above.
-	 */
-	XFS_BUF_SET_FSPRIVATE2(bp, tp);
-
-	trace_xfs_trans_read_buf(bip);
 	*bpp = bp;
 	return 0;
 
@@ -623,53 +586,6 @@ xfs_trans_brelse(xfs_trans_t	*tp,
 }
 
 /*
- * Add the locked buffer to the transaction.
- * The buffer must be locked, and it cannot be associated with any
- * transaction.
- *
- * If the buffer does not yet have a buf log item associated with it,
- * then allocate one for it.  Then add the buf item to the transaction.
- */
-void
-xfs_trans_bjoin(xfs_trans_t	*tp,
-		xfs_buf_t	*bp)
-{
-	xfs_buf_log_item_t	*bip;
-
-	ASSERT(XFS_BUF_ISBUSY(bp));
-	ASSERT(XFS_BUF_FSPRIVATE2(bp, void *) == NULL);
-
-	/*
-	 * The xfs_buf_log_item pointer is stored in b_fsprivate.  If
-	 * it doesn't have one yet, then allocate one and initialize it.
-	 * The checks to see if one is there are in xfs_buf_item_init().
-	 */
-	xfs_buf_item_init(bp, tp->t_mountp);
-	bip = XFS_BUF_FSPRIVATE(bp, xfs_buf_log_item_t *);
-	ASSERT(!(bip->bli_flags & XFS_BLI_STALE));
-	ASSERT(!(bip->bli_format.blf_flags & XFS_BLI_CANCEL));
-	ASSERT(!(bip->bli_flags & XFS_BLI_LOGGED));
-
-	/*
-	 * Take a reference for this transaction on the buf item.
-	 */
-	atomic_inc(&bip->bli_refcount);
-
-	/*
-	 * Get a log_item_desc to point at the new item.
-	 */
-	(void) xfs_trans_add_item(tp, (xfs_log_item_t *)bip);
-
-	/*
-	 * Initialize b_fsprivate2 so we can find it with incore_match()
-	 * in xfs_trans_get_buf() and friends above.
-	 */
-	XFS_BUF_SET_FSPRIVATE2(bp, tp);
-
-	trace_xfs_trans_bjoin(bip);
-}
-
-/*
  * Mark the buffer as not needing to be unlocked when the buf item's
  * IOP_UNLOCK() routine is called.  The buffer must already be locked
  * and associated with the given transaction.
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index ddd2c5d1b854..9d376be0ea38 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -584,113 +584,6 @@ xfs_readlink(
 }
 
 /*
- * xfs_fsync
- *
- * This is called to sync the inode and its data out to disk.  We need to hold
- * the I/O lock while flushing the data, and the inode lock while flushing the
- * inode.  The inode lock CANNOT be held while flushing the data, so acquire
- * after we're done with that.
- */
-int
-xfs_fsync(
-	xfs_inode_t	*ip)
-{
-	xfs_trans_t	*tp;
-	int		error = 0;
-	int		log_flushed = 0;
-
-	xfs_itrace_entry(ip);
-
-	if (XFS_FORCED_SHUTDOWN(ip->i_mount))
-		return XFS_ERROR(EIO);
-
-	/*
-	 * We always need to make sure that the required inode state is safe on
-	 * disk.  The inode might be clean but we still might need to force the
-	 * log because of committed transactions that haven't hit the disk yet.
-	 * Likewise, there could be unflushed non-transactional changes to the
-	 * inode core that have to go to disk and this requires us to issue
-	 * a synchronous transaction to capture these changes correctly.
-	 *
-	 * This code relies on the assumption that if the update_* fields
-	 * of the inode are clear and the inode is unpinned then it is clean
-	 * and no action is required.
-	 */
-	xfs_ilock(ip, XFS_ILOCK_SHARED);
-
-	if (!ip->i_update_core) {
-		/*
-		 * Timestamps/size haven't changed since last inode flush or
-		 * inode transaction commit.  That means either nothing got
-		 * written or a transaction committed which caught the updates.
-		 * If the latter happened and the transaction hasn't hit the
-		 * disk yet, the inode will be still be pinned.  If it is,
-		 * force the log.
-		 */
-		xfs_iunlock(ip, XFS_ILOCK_SHARED);
-		if (xfs_ipincount(ip)) {
-			if (ip->i_itemp->ili_last_lsn) {
-				error = _xfs_log_force_lsn(ip->i_mount,
-						ip->i_itemp->ili_last_lsn,
-						XFS_LOG_SYNC, &log_flushed);
-			} else {
-				error = _xfs_log_force(ip->i_mount,
-						XFS_LOG_SYNC, &log_flushed);
-			}
-		}
-	} else	{
-		/*
-		 * Kick off a transaction to log the inode core to get the
-		 * updates.  The sync transaction will also force the log.
-		 */
-		xfs_iunlock(ip, XFS_ILOCK_SHARED);
-		tp = xfs_trans_alloc(ip->i_mount, XFS_TRANS_FSYNC_TS);
-		error = xfs_trans_reserve(tp, 0,
-				XFS_FSYNC_TS_LOG_RES(ip->i_mount), 0, 0, 0);
-		if (error) {
-			xfs_trans_cancel(tp, 0);
-			return error;
-		}
-		xfs_ilock(ip, XFS_ILOCK_EXCL);
-
-		/*
-		 * Note - it's possible that we might have pushed ourselves out
-		 * of the way during trans_reserve which would flush the inode.
-		 * But there's no guarantee that the inode buffer has actually
-		 * gone out yet (it's delwri).	Plus the buffer could be pinned
-		 * anyway if it's part of an inode in another recent
-		 * transaction.	 So we play it safe and fire off the
-		 * transaction anyway.
-		 */
-		xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
-		xfs_trans_ihold(tp, ip);
-		xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
-		xfs_trans_set_sync(tp);
-		error = _xfs_trans_commit(tp, 0, &log_flushed);
-
-		xfs_iunlock(ip, XFS_ILOCK_EXCL);
-	}
-
-	if (ip->i_mount->m_flags & XFS_MOUNT_BARRIER) {
-		/*
-		 * If the log write didn't issue an ordered tag we need
-		 * to flush the disk cache for the data device now.
-		 */
-		if (!log_flushed)
-			xfs_blkdev_issue_flush(ip->i_mount->m_ddev_targp);
-
-		/*
-		 * If this inode is on the RT dev we need to flush that
-		 * cache as well.
-		 */
-		if (XFS_IS_REALTIME_INODE(ip))
-			xfs_blkdev_issue_flush(ip->i_mount->m_rtdev_targp);
-	}
-
-	return error;
-}
-
-/*
  * Flags for xfs_free_eofblocks
  */
 #define XFS_FREE_EOF_TRYLOCK	(1<<0)
diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h
index 774f40729ca1..d8dfa8d0dadd 100644
--- a/fs/xfs/xfs_vnodeops.h
+++ b/fs/xfs/xfs_vnodeops.h
@@ -21,7 +21,6 @@ int xfs_setattr(struct xfs_inode *ip, struct iattr *vap, int flags);
 #define XFS_ATTR_NOACL		0x08	/* Don't call xfs_acl_chmod */
 
 int xfs_readlink(struct xfs_inode *ip, char *link);
-int xfs_fsync(struct xfs_inode *ip);
 int xfs_release(struct xfs_inode *ip);
 int xfs_inactive(struct xfs_inode *ip);
 int xfs_lookup(struct xfs_inode *dp, struct xfs_name *name,
@@ -50,18 +49,6 @@ int xfs_attr_set(struct xfs_inode *dp, const unsigned char *name,
 int xfs_attr_remove(struct xfs_inode *dp, const unsigned char *name, int flags);
 int xfs_attr_list(struct xfs_inode *dp, char *buffer, int bufsize,
 		int flags, struct attrlist_cursor_kern *cursor);
-ssize_t xfs_read(struct xfs_inode *ip, struct kiocb *iocb,
-		const struct iovec *iovp, unsigned int segs,
-		loff_t *offset, int ioflags);
-ssize_t xfs_splice_read(struct xfs_inode *ip, struct file *infilp,
-		loff_t *ppos, struct pipe_inode_info *pipe, size_t count,
-		int flags, int ioflags);
-ssize_t xfs_splice_write(struct xfs_inode *ip,
-		struct pipe_inode_info *pipe, struct file *outfilp,
-		loff_t *ppos, size_t count, int flags, int ioflags);
-ssize_t xfs_write(struct xfs_inode *xip, struct kiocb *iocb,
-		const struct iovec *iovp, unsigned int nsegs,
-		loff_t *offset, int ioflags);
 int xfs_bmap(struct xfs_inode *ip, xfs_off_t offset, ssize_t count,
 		int flags, struct xfs_iomap *iomapp, int *niomaps);
 void xfs_tosspages(struct xfs_inode *inode, xfs_off_t first,
@@ -72,4 +59,6 @@ int xfs_flush_pages(struct xfs_inode *ip, xfs_off_t first,
 		xfs_off_t last, uint64_t flags, int fiopt);
 int xfs_wait_on_pages(struct xfs_inode *ip, xfs_off_t first, xfs_off_t last);
 
+int xfs_zero_eof(struct xfs_inode *, xfs_off_t, xfs_fsize_t);
+
 #endif /* _XFS_VNODEOPS_H */
diff --git a/include/acpi/acpi_drivers.h b/include/acpi/acpi_drivers.h
index 3a4767c01c5f..4f7b44866b76 100644
--- a/include/acpi/acpi_drivers.h
+++ b/include/acpi/acpi_drivers.h
@@ -65,6 +65,8 @@
 #define ACPI_VIDEO_HID			"LNXVIDEO"
 #define ACPI_BAY_HID			"LNXIOBAY"
 #define ACPI_DOCK_HID			"LNXDOCK"
+/* Quirk for broken IBM BIOSes */
+#define ACPI_SMBUS_IBM_HID		"SMBUSIBM"
 
 /*
  * For fixed hardware buttons, we fabricate acpi_devices with HID
diff --git a/include/acpi/processor.h b/include/acpi/processor.h
index 29831768c0e6..86825ddbe14e 100644
--- a/include/acpi/processor.h
+++ b/include/acpi/processor.h
@@ -238,7 +238,7 @@ struct acpi_processor_errata {
 
 extern int acpi_processor_preregister_performance(struct
 						  acpi_processor_performance
-						  *performance);
+						  __percpu *performance);
 
 extern int acpi_processor_register_performance(struct acpi_processor_performance
 					       *performance, unsigned int cpu);
@@ -320,8 +320,16 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
 
 #endif				/* CONFIG_CPU_FREQ */
 
-/* in processor_pdc.c */
+/* in processor_core.c */
 void acpi_processor_set_pdc(acpi_handle handle);
+#ifdef CONFIG_SMP
+int acpi_get_cpuid(acpi_handle, int type, u32 acpi_id);
+#else
+static inline int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
+{
+	return -1;
+}
+#endif
 
 /* in processor_throttling.c */
 int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index 485eeb6c4ef3..979c6a57f2f1 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -136,6 +136,32 @@ extern int __gpio_cansleep(unsigned gpio);
 
 extern int __gpio_to_irq(unsigned gpio);
 
+#define GPIOF_DIR_OUT	(0 << 0)
+#define GPIOF_DIR_IN	(1 << 0)
+
+#define GPIOF_INIT_LOW	(0 << 1)
+#define GPIOF_INIT_HIGH	(1 << 1)
+
+#define GPIOF_IN		(GPIOF_DIR_IN)
+#define GPIOF_OUT_INIT_LOW	(GPIOF_DIR_OUT | GPIOF_INIT_LOW)
+#define GPIOF_OUT_INIT_HIGH	(GPIOF_DIR_OUT | GPIOF_INIT_HIGH)
+
+/**
+ * struct gpio - a structure describing a GPIO with configuration
+ * @gpio:	the GPIO number
+ * @flags:	GPIO configuration as specified by GPIOF_*
+ * @label:	a literal description string of this GPIO
+ */
+struct gpio {
+	unsigned	gpio;
+	unsigned long	flags;
+	const char	*label;
+};
+
+extern int gpio_request_one(unsigned gpio, unsigned long flags, const char *label);
+extern int gpio_request_array(struct gpio *array, size_t num);
+extern void gpio_free_array(struct gpio *array, size_t num);
+
 #ifdef CONFIG_GPIO_SYSFS
 
 /*
diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h
index fc218444e315..c8a5d68541d7 100644
--- a/include/asm-generic/local.h
+++ b/include/asm-generic/local.h
@@ -52,23 +52,4 @@ typedef struct
 #define __local_add(i,l)	local_set((l), local_read(l) + (i))
 #define __local_sub(i,l)	local_set((l), local_read(l) - (i))
 
-/* Use these for per-cpu local_t variables: on some archs they are
- * much more efficient than these naive implementations.  Note they take
- * a variable (eg. mystruct.foo), not an address.
- */
-#define cpu_local_read(l)	local_read(&__get_cpu_var(l))
-#define cpu_local_set(l, i)	local_set(&__get_cpu_var(l), (i))
-#define cpu_local_inc(l)	local_inc(&__get_cpu_var(l))
-#define cpu_local_dec(l)	local_dec(&__get_cpu_var(l))
-#define cpu_local_add(i, l)	local_add((i), &__get_cpu_var(l))
-#define cpu_local_sub(i, l)	local_sub((i), &__get_cpu_var(l))
-
-/* Non-atomic increments, ie. preemption disabled and won't be touched
- * in interrupt, etc.  Some archs can optimize this case well.
- */
-#define __cpu_local_inc(l)	__local_inc(&__get_cpu_var(l))
-#define __cpu_local_dec(l)	__local_dec(&__get_cpu_var(l))
-#define __cpu_local_add(i, l)	__local_add((i), &__get_cpu_var(l))
-#define __cpu_local_sub(i, l)	__local_sub((i), &__get_cpu_var(l))
-
 #endif /* _ASM_GENERIC_LOCAL_H */
diff --git a/include/asm-generic/pci-dma-compat.h b/include/asm-generic/pci-dma-compat.h
index 37b3706226e7..1437b7da09b2 100644
--- a/include/asm-generic/pci-dma-compat.h
+++ b/include/asm-generic/pci-dma-compat.h
@@ -6,9 +6,6 @@
 
 #include <linux/dma-mapping.h>
 
-/* note pci_set_dma_mask isn't here, since it's a public function
- * exported from drivers/pci, use dma_supported instead */
-
 static inline int
 pci_dma_supported(struct pci_dev *hwdev, u64 mask)
 {
@@ -104,4 +101,16 @@ pci_dma_mapping_error(struct pci_dev *pdev, dma_addr_t dma_addr)
 	return dma_mapping_error(&pdev->dev, dma_addr);
 }
 
+#ifdef CONFIG_PCI
+static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
+{
+	return dma_set_mask(&dev->dev, mask);
+}
+
+static inline int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
+{
+	return dma_set_coherent_mask(&dev->dev, mask);
+}
+#endif
+
 #endif
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index 8087b90d4673..04f91c2d3f7b 100644
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -41,7 +41,11 @@ extern unsigned long __per_cpu_offset[NR_CPUS];
  * Only S390 provides its own means of moving the pointer.
  */
 #ifndef SHIFT_PERCPU_PTR
-#define SHIFT_PERCPU_PTR(__p, __offset)	RELOC_HIDE((__p), (__offset))
+/* Weird cast keeps both GCC and sparse happy. */
+#define SHIFT_PERCPU_PTR(__p, __offset)	({				\
+	__verify_pcpu_ptr((__p));					\
+	RELOC_HIDE((typeof(*(__p)) __kernel __force *)(__p), (__offset)); \
+})
 #endif
 
 /*
@@ -50,11 +54,11 @@ extern unsigned long __per_cpu_offset[NR_CPUS];
  * offset.
  */
 #define per_cpu(var, cpu) \
-	(*SHIFT_PERCPU_PTR(&per_cpu_var(var), per_cpu_offset(cpu)))
+	(*SHIFT_PERCPU_PTR(&(var), per_cpu_offset(cpu)))
 #define __get_cpu_var(var) \
-	(*SHIFT_PERCPU_PTR(&per_cpu_var(var), my_cpu_offset))
+	(*SHIFT_PERCPU_PTR(&(var), my_cpu_offset))
 #define __raw_get_cpu_var(var) \
-	(*SHIFT_PERCPU_PTR(&per_cpu_var(var), __my_cpu_offset))
+	(*SHIFT_PERCPU_PTR(&(var), __my_cpu_offset))
 
 #define this_cpu_ptr(ptr) SHIFT_PERCPU_PTR(ptr, my_cpu_offset)
 #define __this_cpu_ptr(ptr) SHIFT_PERCPU_PTR(ptr, __my_cpu_offset)
@@ -66,9 +70,9 @@ extern void setup_per_cpu_areas(void);
 
 #else /* ! SMP */
 
-#define per_cpu(var, cpu)			(*((void)(cpu), &per_cpu_var(var)))
-#define __get_cpu_var(var)			per_cpu_var(var)
-#define __raw_get_cpu_var(var)			per_cpu_var(var)
+#define per_cpu(var, cpu)			(*((void)(cpu), &(var)))
+#define __get_cpu_var(var)			(var)
+#define __raw_get_cpu_var(var)			(var)
 #define this_cpu_ptr(ptr) per_cpu_ptr(ptr, 0)
 #define __this_cpu_ptr(ptr) this_cpu_ptr(ptr)
 
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index ffac157fb5b2..de2f82efb15f 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -801,6 +801,7 @@ struct drm_driver {
 	 */
 	int (*gem_init_object) (struct drm_gem_object *obj);
 	void (*gem_free_object) (struct drm_gem_object *obj);
+	void (*gem_free_object_unlocked) (struct drm_gem_object *obj);
 
 	/* vga arb irq handler */
 	void (*vgaarb_irq)(struct drm_device *dev, bool state);
@@ -1427,6 +1428,7 @@ extern void drm_sysfs_connector_remove(struct drm_connector *connector);
 int drm_gem_init(struct drm_device *dev);
 void drm_gem_destroy(struct drm_device *dev);
 void drm_gem_object_free(struct kref *kref);
+void drm_gem_object_free_unlocked(struct kref *kref);
 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
 					    size_t size);
 void drm_gem_object_handle_free(struct kref *kref);
@@ -1443,10 +1445,15 @@ drm_gem_object_reference(struct drm_gem_object *obj)
 static inline void
 drm_gem_object_unreference(struct drm_gem_object *obj)
 {
-	if (obj == NULL)
-		return;
+	if (obj != NULL)
+		kref_put(&obj->refcount, drm_gem_object_free);
+}
 
-	kref_put(&obj->refcount, drm_gem_object_free);
+static inline void
+drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
+{
+	if (obj != NULL)
+		kref_put(&obj->refcount, drm_gem_object_free_unlocked);
 }
 
 int drm_gem_handle_create(struct drm_file *file_priv,
@@ -1475,6 +1482,21 @@ drm_gem_object_handle_unreference(struct drm_gem_object *obj)
 	drm_gem_object_unreference(obj);
 }
 
+static inline void
+drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj)
+{
+	if (obj == NULL)
+		return;
+
+	/*
+	* Must bump handle count first as this may be the last
+	* ref, in which case the object would disappear before we
+	* checked for a name
+	*/
+	kref_put(&obj->handlecount, drm_gem_object_handle_free);
+	drm_gem_object_unreference_unlocked(obj);
+}
+
 struct drm_gem_object *drm_gem_object_lookup(struct drm_device *dev,
 					     struct drm_file *filp,
 					     u32 handle);
@@ -1523,39 +1545,7 @@ static __inline__ void drm_core_dropmap(struct drm_local_map *map)
 {
 }
 
-
-static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
-{
-	if (size != 0 && nmemb > ULONG_MAX / size)
-		return NULL;
-
-	if (size * nmemb <= PAGE_SIZE)
-	    return kcalloc(nmemb, size, GFP_KERNEL);
-
-	return __vmalloc(size * nmemb,
-			 GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL);
-}
-
-/* Modeled after cairo's malloc_ab, it's like calloc but without the zeroing. */
-static __inline__ void *drm_malloc_ab(size_t nmemb, size_t size)
-{
-	if (size != 0 && nmemb > ULONG_MAX / size)
-		return NULL;
-
-	if (size * nmemb <= PAGE_SIZE)
-	    return kmalloc(nmemb * size, GFP_KERNEL);
-
-	return __vmalloc(size * nmemb,
-			 GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL);
-}
-
-static __inline void drm_free_large(void *ptr)
-{
-	if (!is_vmalloc_addr(ptr))
-		return kfree(ptr);
-
-	vfree(ptr);
-}
+#include "drm_mem_util.h"
 /*@}*/
 
 #endif				/* __KERNEL__ */
diff --git a/include/drm/drm_buffer.h b/include/drm/drm_buffer.h
new file mode 100644
index 000000000000..322dbff3f861
--- /dev/null
+++ b/include/drm/drm_buffer.h
@@ -0,0 +1,148 @@
+/**************************************************************************
+ *
+ * Copyright 2010 Pauli Nieminen.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ *
+ **************************************************************************/
+/*
+ * Multipart buffer for coping data which is larger than the page size.
+ *
+ * Authors:
+ * Pauli Nieminen <suokkos-at-gmail-dot-com>
+ */
+
+#ifndef _DRM_BUFFER_H_
+#define _DRM_BUFFER_H_
+
+#include "drmP.h"
+
+struct drm_buffer {
+	int iterator;
+	int size;
+	char *data[];
+};
+
+
+/**
+ * Return the index of page that buffer is currently pointing at.
+ */
+static inline int drm_buffer_page(struct drm_buffer *buf)
+{
+	return buf->iterator / PAGE_SIZE;
+}
+/**
+ * Return the index of the current byte in the page
+ */
+static inline int drm_buffer_index(struct drm_buffer *buf)
+{
+	return buf->iterator & (PAGE_SIZE - 1);
+}
+/**
+ * Return number of bytes that is left to process
+ */
+static inline int drm_buffer_unprocessed(struct drm_buffer *buf)
+{
+	return buf->size - buf->iterator;
+}
+
+/**
+ * Advance the buffer iterator number of bytes that is given.
+ */
+static inline void drm_buffer_advance(struct drm_buffer *buf, int bytes)
+{
+	buf->iterator += bytes;
+}
+
+/**
+ * Allocate the drm buffer object.
+ *
+ *   buf: A pointer to a pointer where the object is stored.
+ *   size: The number of bytes to allocate.
+ */
+extern int drm_buffer_alloc(struct drm_buffer **buf, int size);
+
+/**
+ * Copy the user data to the begin of the buffer and reset the processing
+ * iterator.
+ *
+ *   user_data: A pointer the data that is copied to the buffer.
+ *   size: The Number of bytes to copy.
+ */
+extern int drm_buffer_copy_from_user(struct drm_buffer *buf,
+		void __user *user_data, int size);
+
+/**
+ * Free the drm buffer object
+ */
+extern void drm_buffer_free(struct drm_buffer *buf);
+
+/**
+ * Read an object from buffer that may be split to multiple parts. If object
+ * is not split function just returns the pointer to object in buffer. But in
+ * case of split object data is copied to given stack object that is suplied
+ * by caller.
+ *
+ * The processing location of the buffer is also advanced to the next byte
+ * after the object.
+ *
+ *   objsize: The size of the objet in bytes.
+ *   stack_obj: A pointer to a memory location where object can be copied.
+ */
+extern void *drm_buffer_read_object(struct drm_buffer *buf,
+		int objsize, void *stack_obj);
+
+/**
+ * Returns the pointer to the dword which is offset number of elements from the
+ * current processing location.
+ *
+ * Caller must make sure that dword is not split in the buffer. This
+ * requirement is easily met if all the sizes of objects in buffer are
+ * multiples of dword and PAGE_SIZE is multiple dword.
+ *
+ * Call to this function doesn't change the processing location.
+ *
+ *   offset: The index of the dword relative to the internat iterator.
+ */
+static inline void *drm_buffer_pointer_to_dword(struct drm_buffer *buffer,
+		int offset)
+{
+	int iter = buffer->iterator + offset * 4;
+	return &buffer->data[iter / PAGE_SIZE][iter & (PAGE_SIZE - 1)];
+}
+/**
+ * Returns the pointer to the dword which is offset number of elements from
+ * the current processing location.
+ *
+ * Call to this function doesn't change the processing location.
+ *
+ *   offset: The index of the byte relative to the internat iterator.
+ */
+static inline void *drm_buffer_pointer_to_byte(struct drm_buffer *buffer,
+		int offset)
+{
+	int iter = buffer->iterator + offset;
+	return &buffer->data[iter / PAGE_SIZE][iter & (PAGE_SIZE - 1)];
+}
+
+#endif
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index fdf43abc36db..1347524a8e30 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -801,4 +801,6 @@ extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
 				bool interlaced, int margins);
 extern int drm_add_modes_noedid(struct drm_connector *connector,
 				int hdisplay, int vdisplay);
+
+extern bool drm_edid_is_valid(struct edid *edid);
 #endif /* __DRM_CRTC_H__ */
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index d33c3e038606..b4209898f115 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -201,4 +201,7 @@ struct edid {
 
 #define EDID_PRODUCT_ID(e) ((e)->prod_code[0] | ((e)->prod_code[1] << 8))
 
+/* define the number of Extension EDID block */
+#define DRM_MAX_EDID_EXT_NUM 4
+
 #endif /* __DRM_EDID_H__ */
diff --git a/include/drm/drm_mem_util.h b/include/drm/drm_mem_util.h
new file mode 100644
index 000000000000..6bd325fedc87
--- /dev/null
+++ b/include/drm/drm_mem_util.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *     Jesse Barnes <jbarnes@virtuousgeek.org>
+ *
+ */
+#ifndef _DRM_MEM_UTIL_H_
+#define _DRM_MEM_UTIL_H_
+
+#include <linux/vmalloc.h>
+
+static __inline__ void *drm_calloc_large(size_t nmemb, size_t size)
+{
+	if (size != 0 && nmemb > ULONG_MAX / size)
+		return NULL;
+
+	if (size * nmemb <= PAGE_SIZE)
+	    return kcalloc(nmemb, size, GFP_KERNEL);
+
+	return __vmalloc(size * nmemb,
+			 GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL);
+}
+
+/* Modeled after cairo's malloc_ab, it's like calloc but without the zeroing. */
+static __inline__ void *drm_malloc_ab(size_t nmemb, size_t size)
+{
+	if (size != 0 && nmemb > ULONG_MAX / size)
+		return NULL;
+
+	if (size * nmemb <= PAGE_SIZE)
+	    return kmalloc(nmemb * size, GFP_KERNEL);
+
+	return __vmalloc(size * nmemb,
+			 GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL);
+}
+
+static __inline void drm_free_large(void *ptr)
+{
+	if (!is_vmalloc_addr(ptr))
+		return kfree(ptr);
+
+	vfree(ptr);
+}
+
+#endif
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index e6f3b120f51a..04a6ebc27b96 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -141,6 +141,41 @@
 	{0x1002, 0x5e4c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x5e4d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x5e4f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6880, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6888, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6889, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x688A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6898, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x6899, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x689c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HEMLOCK|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x689d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_HEMLOCK|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x689e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CYPRESS|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68a0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_JUNIPER|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68a1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_JUNIPER|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68a8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_JUNIPER|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68a9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_JUNIPER|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68b0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_JUNIPER|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68b8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_JUNIPER|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68b9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_JUNIPER|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68be, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_JUNIPER|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68c0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_REDWOOD|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68c1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_REDWOOD|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68c8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_REDWOOD|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68c9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_REDWOOD|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68d8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_REDWOOD|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68d9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_REDWOOD|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68da, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_REDWOOD|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68de, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_REDWOOD|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68e0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68e1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68e4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68e5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68e8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68e9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68f1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68f8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68f9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x68fe, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_CEDAR|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x7100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R520|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x7101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R520|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x7102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R520|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
@@ -375,6 +410,7 @@
 	{0x1002, 0x9712, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x9713, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x9714, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9715, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS880|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0, 0, 0}
 
 #define r128_PCI_IDS \
@@ -558,4 +594,5 @@
 	{0x8086, 0x35e8, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
 	{0x8086, 0x0042, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
 	{0x8086, 0x0046, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
+	{0x8086, 0x0102, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
 	{0, 0, 0}
diff --git a/include/drm/nouveau_drm.h b/include/drm/nouveau_drm.h
index f745948b61e4..a6a9f4af5ebd 100644
--- a/include/drm/nouveau_drm.h
+++ b/include/drm/nouveau_drm.h
@@ -25,13 +25,14 @@
 #ifndef __NOUVEAU_DRM_H__
 #define __NOUVEAU_DRM_H__
 
-#define NOUVEAU_DRM_HEADER_PATCHLEVEL 15
+#define NOUVEAU_DRM_HEADER_PATCHLEVEL 16
 
 struct drm_nouveau_channel_alloc {
 	uint32_t     fb_ctxdma_handle;
 	uint32_t     tt_ctxdma_handle;
 
 	int          channel;
+	uint32_t     pushbuf_domains;
 
 	/* Notifier memory */
 	uint32_t     notifier_handle;
@@ -109,68 +110,58 @@ struct drm_nouveau_gem_new {
 	uint32_t align;
 };
 
+#define NOUVEAU_GEM_MAX_BUFFERS 1024
+struct drm_nouveau_gem_pushbuf_bo_presumed {
+	uint32_t valid;
+	uint32_t domain;
+	uint64_t offset;
+};
+
 struct drm_nouveau_gem_pushbuf_bo {
 	uint64_t user_priv;
 	uint32_t handle;
 	uint32_t read_domains;
 	uint32_t write_domains;
 	uint32_t valid_domains;
-	uint32_t presumed_ok;
-	uint32_t presumed_domain;
-	uint64_t presumed_offset;
+	struct drm_nouveau_gem_pushbuf_bo_presumed presumed;
 };
 
 #define NOUVEAU_GEM_RELOC_LOW  (1 << 0)
 #define NOUVEAU_GEM_RELOC_HIGH (1 << 1)
 #define NOUVEAU_GEM_RELOC_OR   (1 << 2)
+#define NOUVEAU_GEM_MAX_RELOCS 1024
 struct drm_nouveau_gem_pushbuf_reloc {
+	uint32_t reloc_bo_index;
+	uint32_t reloc_bo_offset;
 	uint32_t bo_index;
-	uint32_t reloc_index;
 	uint32_t flags;
 	uint32_t data;
 	uint32_t vor;
 	uint32_t tor;
 };
 
-#define NOUVEAU_GEM_MAX_BUFFERS 1024
-#define NOUVEAU_GEM_MAX_RELOCS 1024
+#define NOUVEAU_GEM_MAX_PUSH 512
+struct drm_nouveau_gem_pushbuf_push {
+	uint32_t bo_index;
+	uint32_t pad;
+	uint64_t offset;
+	uint64_t length;
+};
 
 struct drm_nouveau_gem_pushbuf {
 	uint32_t channel;
-	uint32_t nr_dwords;
 	uint32_t nr_buffers;
-	uint32_t nr_relocs;
-	uint64_t dwords;
 	uint64_t buffers;
-	uint64_t relocs;
-};
-
-struct drm_nouveau_gem_pushbuf_call {
-	uint32_t channel;
-	uint32_t handle;
-	uint32_t offset;
-	uint32_t nr_buffers;
 	uint32_t nr_relocs;
-	uint32_t nr_dwords;
-	uint64_t buffers;
+	uint32_t nr_push;
 	uint64_t relocs;
+	uint64_t push;
 	uint32_t suffix0;
 	uint32_t suffix1;
-	/* below only accessed for CALL2 */
 	uint64_t vram_available;
 	uint64_t gart_available;
 };
 
-struct drm_nouveau_gem_pin {
-	uint32_t handle;
-	uint32_t domain;
-	uint64_t offset;
-};
-
-struct drm_nouveau_gem_unpin {
-	uint32_t handle;
-};
-
 #define NOUVEAU_GEM_CPU_PREP_NOWAIT                                  0x00000001
 #define NOUVEAU_GEM_CPU_PREP_NOBLOCK                                 0x00000002
 #define NOUVEAU_GEM_CPU_PREP_WRITE                                   0x00000004
@@ -183,14 +174,6 @@ struct drm_nouveau_gem_cpu_fini {
 	uint32_t handle;
 };
 
-struct drm_nouveau_gem_tile {
-	uint32_t handle;
-	uint32_t offset;
-	uint32_t size;
-	uint32_t tile_mode;
-	uint32_t tile_flags;
-};
-
 enum nouveau_bus_type {
 	NV_AGP     = 0,
 	NV_PCI     = 1,
@@ -200,22 +183,17 @@ enum nouveau_bus_type {
 struct drm_nouveau_sarea {
 };
 
-#define DRM_NOUVEAU_CARD_INIT          0x00
-#define DRM_NOUVEAU_GETPARAM           0x01
-#define DRM_NOUVEAU_SETPARAM           0x02
-#define DRM_NOUVEAU_CHANNEL_ALLOC      0x03
-#define DRM_NOUVEAU_CHANNEL_FREE       0x04
-#define DRM_NOUVEAU_GROBJ_ALLOC        0x05
-#define DRM_NOUVEAU_NOTIFIEROBJ_ALLOC  0x06
-#define DRM_NOUVEAU_GPUOBJ_FREE        0x07
+#define DRM_NOUVEAU_GETPARAM           0x00
+#define DRM_NOUVEAU_SETPARAM           0x01
+#define DRM_NOUVEAU_CHANNEL_ALLOC      0x02
+#define DRM_NOUVEAU_CHANNEL_FREE       0x03
+#define DRM_NOUVEAU_GROBJ_ALLOC        0x04
+#define DRM_NOUVEAU_NOTIFIEROBJ_ALLOC  0x05
+#define DRM_NOUVEAU_GPUOBJ_FREE        0x06
 #define DRM_NOUVEAU_GEM_NEW            0x40
 #define DRM_NOUVEAU_GEM_PUSHBUF        0x41
-#define DRM_NOUVEAU_GEM_PUSHBUF_CALL   0x42
-#define DRM_NOUVEAU_GEM_PIN            0x43 /* !KMS only */
-#define DRM_NOUVEAU_GEM_UNPIN          0x44 /* !KMS only */
-#define DRM_NOUVEAU_GEM_CPU_PREP       0x45
-#define DRM_NOUVEAU_GEM_CPU_FINI       0x46
-#define DRM_NOUVEAU_GEM_INFO           0x47
-#define DRM_NOUVEAU_GEM_PUSHBUF_CALL2  0x48
+#define DRM_NOUVEAU_GEM_CPU_PREP       0x42
+#define DRM_NOUVEAU_GEM_CPU_FINI       0x43
+#define DRM_NOUVEAU_GEM_INFO           0x44
 
 #endif /* __NOUVEAU_DRM_H__ */
diff --git a/include/drm/radeon_drm.h b/include/drm/radeon_drm.h
index 39537f3cf98a..81e614bf2dc3 100644
--- a/include/drm/radeon_drm.h
+++ b/include/drm/radeon_drm.h
@@ -808,6 +808,7 @@ struct drm_radeon_gem_create {
 #define RADEON_TILING_SWAP_32BIT  0x8
 #define RADEON_TILING_SURFACE     0x10 /* this object requires a surface
 					* when mapped - i.e. front buffer */
+#define RADEON_TILING_MICRO_SQUARE 0x20
 
 struct drm_radeon_gem_set_tiling {
 	uint32_t	handle;
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 4c4e0f8375b3..e929c27ede22 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -115,7 +115,6 @@ struct ttm_backend {
 	struct ttm_backend_func *func;
 };
 
-#define TTM_PAGE_FLAG_VMALLOC         (1 << 0)
 #define TTM_PAGE_FLAG_USER            (1 << 1)
 #define TTM_PAGE_FLAG_USER_DIRTY      (1 << 2)
 #define TTM_PAGE_FLAG_WRITE           (1 << 3)
@@ -908,7 +907,7 @@ extern int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
  * Utility function that returns the pgprot_t that should be used for
  * setting up a PTE with the caching model indicated by @c_state.
  */
-extern pgprot_t ttm_io_prot(enum ttm_caching_state c_state, pgprot_t tmp);
+extern pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp);
 
 #if (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)))
 #define TTM_HAS_AGP
diff --git a/include/linux/acct.h b/include/linux/acct.h
index 882dc7248766..3e4737fa6cce 100644
--- a/include/linux/acct.h
+++ b/include/linux/acct.h
@@ -121,16 +121,15 @@ struct vfsmount;
 struct super_block;
 struct pacct_struct;
 struct pid_namespace;
+extern int acct_parm[]; /* for sysctl */
 extern void acct_auto_close_mnt(struct vfsmount *m);
 extern void acct_auto_close(struct super_block *sb);
-extern void acct_init_pacct(struct pacct_struct *pacct);
 extern void acct_collect(long exitcode, int group_dead);
 extern void acct_process(void);
 extern void acct_exit_ns(struct pid_namespace *);
 #else
 #define acct_auto_close_mnt(x)	do { } while (0)
 #define acct_auto_close(x)	do { } while (0)
-#define acct_init_pacct(x)	do { } while (0)
 #define acct_collect(x,y)	do { } while (0)
 #define acct_process()		do { } while (0)
 #define acct_exit_ns(ns)	do { } while (0)
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 6816be6c3f77..8b1038607831 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -14,6 +14,9 @@
 #ifndef ASMARM_AMBA_H
 #define ASMARM_AMBA_H
 
+#include <linux/device.h>
+#include <linux/resource.h>
+
 #define AMBA_NR_IRQS	2
 
 struct amba_device {
diff --git a/include/linux/amba/clcd.h b/include/linux/amba/clcd.h
index 29c0448265cf..ca16c3801a1e 100644
--- a/include/linux/amba/clcd.h
+++ b/include/linux/amba/clcd.h
@@ -21,22 +21,21 @@
 #define CLCD_UBAS 		0x00000010
 #define CLCD_LBAS 		0x00000014
 
-#if !defined(CONFIG_ARCH_VERSATILE) && !defined(CONFIG_ARCH_REALVIEW)
-#define CLCD_IENB 		0x00000018
-#define CLCD_CNTL 		0x0000001c
-#else
-/*
- * Someone rearranged these two registers on the Versatile
- * platform...
- */
-#define CLCD_IENB 		0x0000001c
-#define CLCD_CNTL 		0x00000018
-#endif
-
-#define CLCD_STAT 		0x00000020
-#define CLCD_INTR 		0x00000024
-#define CLCD_UCUR 		0x00000028
-#define CLCD_LCUR 		0x0000002C
+#define CLCD_PL110_IENB		0x00000018
+#define CLCD_PL110_CNTL		0x0000001c
+#define CLCD_PL110_STAT		0x00000020
+#define CLCD_PL110_INTR 	0x00000024
+#define CLCD_PL110_UCUR		0x00000028
+#define CLCD_PL110_LCUR		0x0000002C
+
+#define CLCD_PL111_CNTL		0x00000018
+#define CLCD_PL111_IENB		0x0000001c
+#define CLCD_PL111_RIS		0x00000020
+#define CLCD_PL111_MIS		0x00000024
+#define CLCD_PL111_ICR		0x00000028
+#define CLCD_PL111_UCUR		0x0000002c
+#define CLCD_PL111_LCUR		0x00000030
+
 #define CLCD_PALL 		0x00000200
 #define CLCD_PALETTE		0x00000200
 
@@ -147,6 +146,8 @@ struct clcd_fb {
 	struct clcd_board	*board;
 	void			*board_data;
 	void __iomem		*regs;
+	u16			off_ienb;
+	u16			off_cntl;
 	u32			clcd_cntl;
 	u32			cmap[16];
 };
diff --git a/include/linux/amba/pl061.h b/include/linux/amba/pl061.h
index b4fbd9862606..5ddd9ad4b19c 100644
--- a/include/linux/amba/pl061.h
+++ b/include/linux/amba/pl061.h
@@ -1,3 +1,5 @@
+#include <linux/types.h>
+
 /* platform data for the PL061 GPIO driver */
 
 struct pl061_platform_data {
diff --git a/include/linux/audit.h b/include/linux/audit.h
index 3c7a358241a7..f391d45c8aea 100644
--- a/include/linux/audit.h
+++ b/include/linux/audit.h
@@ -424,7 +424,7 @@ extern void audit_syscall_exit(int failed, long return_code);
 extern void __audit_getname(const char *name);
 extern void audit_putname(const char *name);
 extern void __audit_inode(const char *name, const struct dentry *dentry);
-extern void __audit_inode_child(const char *dname, const struct dentry *dentry,
+extern void __audit_inode_child(const struct dentry *dentry,
 				const struct inode *parent);
 extern void __audit_ptrace(struct task_struct *t);
 
@@ -442,11 +442,10 @@ static inline void audit_inode(const char *name, const struct dentry *dentry) {
 	if (unlikely(!audit_dummy_context()))
 		__audit_inode(name, dentry);
 }
-static inline void audit_inode_child(const char *dname, 
-				     const struct dentry *dentry,
+static inline void audit_inode_child(const struct dentry *dentry,
 				     const struct inode *parent) {
 	if (unlikely(!audit_dummy_context()))
-		__audit_inode_child(dname, dentry, parent);
+		__audit_inode_child(dentry, parent);
 }
 void audit_core_dumps(long signr);
 
@@ -544,9 +543,9 @@ extern int audit_signals;
 #define audit_getname(n) do { ; } while (0)
 #define audit_putname(n) do { ; } while (0)
 #define __audit_inode(n,d) do { ; } while (0)
-#define __audit_inode_child(d,i,p) do { ; } while (0)
+#define __audit_inode_child(i,p) do { ; } while (0)
 #define audit_inode(n,d) do { ; } while (0)
-#define audit_inode_child(d,i,p) do { ; } while (0)
+#define audit_inode_child(i,p) do { ; } while (0)
 #define audit_core_dumps(i) do { ; } while (0)
 #define auditsc_get_stamp(c,t,s) (0)
 #define audit_get_loginuid(t) (-1)
diff --git a/include/linux/backlight.h b/include/linux/backlight.h
index 8c4f884db6b4..4a3d52e545e1 100644
--- a/include/linux/backlight.h
+++ b/include/linux/backlight.h
@@ -36,18 +36,18 @@ struct backlight_device;
 struct fb_info;
 
 struct backlight_ops {
-	const unsigned int options;
+	unsigned int options;
 
 #define BL_CORE_SUSPENDRESUME	(1 << 0)
 
 	/* Notify the backlight driver some property has changed */
-	int (* const update_status)(struct backlight_device *);
+	int (*update_status)(struct backlight_device *);
 	/* Return the current backlight brightness (accounting for power,
 	   fb_blank etc.) */
-	int (* const get_brightness)(struct backlight_device *);
+	int (*get_brightness)(struct backlight_device *);
 	/* Check if given framebuffer device is the one bound to this backlight;
 	   return 0 if not, !=0 if it is. If NULL, backlight always matches the fb. */
-	int (* const check_fb)(struct fb_info *);
+	int (*check_fb)(struct backlight_device *, struct fb_info *);
 };
 
 /* This structure defines all the properties of a backlight */
@@ -103,7 +103,8 @@ static inline void backlight_update_status(struct backlight_device *bd)
 }
 
 extern struct backlight_device *backlight_device_register(const char *name,
-	struct device *dev, void *devdata, const struct backlight_ops *ops);
+	struct device *dev, void *devdata, const struct backlight_ops *ops,
+	const struct backlight_properties *props);
 extern void backlight_device_unregister(struct backlight_device *bd);
 extern void backlight_force_update(struct backlight_device *bd,
 				   enum backlight_update_reason reason);
diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h
index 89c6249fc561..c809e286d213 100644
--- a/include/linux/binfmts.h
+++ b/include/linux/binfmts.h
@@ -74,6 +74,7 @@ struct coredump_params {
 	struct pt_regs *regs;
 	struct file *file;
 	unsigned long limit;
+	unsigned long mm_flags;
 };
 
 /*
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 25b8b2f33ae9..b79389879238 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -16,11 +16,13 @@
  */
 #include <asm/bitops.h>
 
-#define for_each_bit(bit, addr, size) \
+#define for_each_set_bit(bit, addr, size) \
 	for ((bit) = find_first_bit((addr), (size)); \
 	     (bit) < (size); \
 	     (bit) = find_next_bit((addr), (size), (bit) + 1))
 
+/* Temporary */
+#define for_each_bit(bit, addr, size) for_each_set_bit(bit, addr, size)
 
 static __inline__ int get_bitmask_order(unsigned int count)
 {
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h
index 3b73b9992b26..416bf62d6d46 100644
--- a/include/linux/blktrace_api.h
+++ b/include/linux/blktrace_api.h
@@ -150,8 +150,8 @@ struct blk_user_trace_setup {
 struct blk_trace {
 	int trace_state;
 	struct rchan *rchan;
-	unsigned long *sequence;
-	unsigned char *msg_data;
+	unsigned long __percpu *sequence;
+	unsigned char __percpu *msg_data;
 	u16 act_mask;
 	u64 start_lba;
 	u64 end_lba;
diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h
index b10ec49ee2dd..266ab9291232 100644
--- a/include/linux/bootmem.h
+++ b/include/linux/bootmem.h
@@ -23,6 +23,7 @@ extern unsigned long max_pfn;
 extern unsigned long saved_max_pfn;
 #endif
 
+#ifndef CONFIG_NO_BOOTMEM
 /*
  * node_bootmem_map is a map pointer - the bits represent all physical 
  * memory pages (including holes) on the node.
@@ -37,6 +38,7 @@ typedef struct bootmem_data {
 } bootmem_data_t;
 
 extern bootmem_data_t bootmem_node_data[];
+#endif
 
 extern unsigned long bootmem_bootmap_pages(unsigned long);
 
@@ -46,6 +48,7 @@ extern unsigned long init_bootmem_node(pg_data_t *pgdat,
 				       unsigned long endpfn);
 extern unsigned long init_bootmem(unsigned long addr, unsigned long memend);
 
+unsigned long free_all_memory_core_early(int nodeid);
 extern unsigned long free_all_bootmem_node(pg_data_t *pgdat);
 extern unsigned long free_all_bootmem(void);
 
@@ -84,6 +87,10 @@ extern void *__alloc_bootmem_node(pg_data_t *pgdat,
 				  unsigned long size,
 				  unsigned long align,
 				  unsigned long goal);
+void *__alloc_bootmem_node_high(pg_data_t *pgdat,
+				  unsigned long size,
+				  unsigned long align,
+				  unsigned long goal);
 extern void *__alloc_bootmem_node_nopanic(pg_data_t *pgdat,
 				  unsigned long size,
 				  unsigned long align,
diff --git a/include/linux/btree-128.h b/include/linux/btree-128.h
new file mode 100644
index 000000000000..0b3414c4c928
--- /dev/null
+++ b/include/linux/btree-128.h
@@ -0,0 +1,109 @@
+extern struct btree_geo btree_geo128;
+
+struct btree_head128 { struct btree_head h; };
+
+static inline void btree_init_mempool128(struct btree_head128 *head,
+					 mempool_t *mempool)
+{
+	btree_init_mempool(&head->h, mempool);
+}
+
+static inline int btree_init128(struct btree_head128 *head)
+{
+	return btree_init(&head->h);
+}
+
+static inline void btree_destroy128(struct btree_head128 *head)
+{
+	btree_destroy(&head->h);
+}
+
+static inline void *btree_lookup128(struct btree_head128 *head, u64 k1, u64 k2)
+{
+	u64 key[2] = {k1, k2};
+	return btree_lookup(&head->h, &btree_geo128, (unsigned long *)&key);
+}
+
+static inline void *btree_get_prev128(struct btree_head128 *head,
+				      u64 *k1, u64 *k2)
+{
+	u64 key[2] = {*k1, *k2};
+	void *val;
+
+	val = btree_get_prev(&head->h, &btree_geo128,
+			     (unsigned long *)&key);
+	*k1 = key[0];
+	*k2 = key[1];
+	return val;
+}
+
+static inline int btree_insert128(struct btree_head128 *head, u64 k1, u64 k2,
+				  void *val, gfp_t gfp)
+{
+	u64 key[2] = {k1, k2};
+	return btree_insert(&head->h, &btree_geo128,
+			    (unsigned long *)&key, val, gfp);
+}
+
+static inline int btree_update128(struct btree_head128 *head, u64 k1, u64 k2,
+				  void *val)
+{
+	u64 key[2] = {k1, k2};
+	return btree_update(&head->h, &btree_geo128,
+			    (unsigned long *)&key, val);
+}
+
+static inline void *btree_remove128(struct btree_head128 *head, u64 k1, u64 k2)
+{
+	u64 key[2] = {k1, k2};
+	return btree_remove(&head->h, &btree_geo128, (unsigned long *)&key);
+}
+
+static inline void *btree_last128(struct btree_head128 *head, u64 *k1, u64 *k2)
+{
+	u64 key[2];
+	void *val;
+
+	val = btree_last(&head->h, &btree_geo128, (unsigned long *)&key[0]);
+	if (val) {
+		*k1 = key[0];
+		*k2 = key[1];
+	}
+
+	return val;
+}
+
+static inline int btree_merge128(struct btree_head128 *target,
+				 struct btree_head128 *victim,
+				 gfp_t gfp)
+{
+	return btree_merge(&target->h, &victim->h, &btree_geo128, gfp);
+}
+
+void visitor128(void *elem, unsigned long opaque, unsigned long *__key,
+		size_t index, void *__func);
+
+typedef void (*visitor128_t)(void *elem, unsigned long opaque,
+			     u64 key1, u64 key2, size_t index);
+
+static inline size_t btree_visitor128(struct btree_head128 *head,
+				      unsigned long opaque,
+				      visitor128_t func2)
+{
+	return btree_visitor(&head->h, &btree_geo128, opaque,
+			     visitor128, func2);
+}
+
+static inline size_t btree_grim_visitor128(struct btree_head128 *head,
+					   unsigned long opaque,
+					   visitor128_t func2)
+{
+	return btree_grim_visitor(&head->h, &btree_geo128, opaque,
+				  visitor128, func2);
+}
+
+#define btree_for_each_safe128(head, k1, k2, val)	\
+	for (val = btree_last128(head, &k1, &k2);	\
+	     val;					\
+	     val = btree_get_prev128(head, &k1, &k2))
+
diff --git a/include/linux/btree-type.h b/include/linux/btree-type.h
new file mode 100644
index 000000000000..9a1147ef8563
--- /dev/null
+++ b/include/linux/btree-type.h
@@ -0,0 +1,147 @@
+#define __BTREE_TP(pfx, type, sfx)	pfx ## type ## sfx
+#define _BTREE_TP(pfx, type, sfx)	__BTREE_TP(pfx, type, sfx)
+#define BTREE_TP(pfx)			_BTREE_TP(pfx, BTREE_TYPE_SUFFIX,)
+#define BTREE_FN(name)			BTREE_TP(btree_ ## name)
+#define BTREE_TYPE_HEAD			BTREE_TP(struct btree_head)
+#define VISITOR_FN			BTREE_TP(visitor)
+#define VISITOR_FN_T			_BTREE_TP(visitor, BTREE_TYPE_SUFFIX, _t)
+
+BTREE_TYPE_HEAD {
+	struct btree_head h;
+};
+
+static inline void BTREE_FN(init_mempool)(BTREE_TYPE_HEAD *head,
+					  mempool_t *mempool)
+{
+	btree_init_mempool(&head->h, mempool);
+}
+
+static inline int BTREE_FN(init)(BTREE_TYPE_HEAD *head)
+{
+	return btree_init(&head->h);
+}
+
+static inline void BTREE_FN(destroy)(BTREE_TYPE_HEAD *head)
+{
+	btree_destroy(&head->h);
+}
+
+static inline int BTREE_FN(merge)(BTREE_TYPE_HEAD *target,
+				  BTREE_TYPE_HEAD *victim,
+				  gfp_t gfp)
+{
+	return btree_merge(&target->h, &victim->h, BTREE_TYPE_GEO, gfp);
+}
+
+#if (BITS_PER_LONG > BTREE_TYPE_BITS)
+static inline void *BTREE_FN(lookup)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key)
+{
+	unsigned long _key = key;
+	return btree_lookup(&head->h, BTREE_TYPE_GEO, &_key);
+}
+
+static inline int BTREE_FN(insert)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key,
+				   void *val, gfp_t gfp)
+{
+	unsigned long _key = key;
+	return btree_insert(&head->h, BTREE_TYPE_GEO, &_key, val, gfp);
+}
+
+static inline int BTREE_FN(update)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key,
+		void *val)
+{
+	unsigned long _key = key;
+	return btree_update(&head->h, BTREE_TYPE_GEO, &_key, val);
+}
+
+static inline void *BTREE_FN(remove)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key)
+{
+	unsigned long _key = key;
+	return btree_remove(&head->h, BTREE_TYPE_GEO, &_key);
+}
+
+static inline void *BTREE_FN(last)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE *key)
+{
+	unsigned long _key;
+	void *val = btree_last(&head->h, BTREE_TYPE_GEO, &_key);
+	if (val)
+		*key = _key;
+	return val;
+}
+
+static inline void *BTREE_FN(get_prev)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE *key)
+{
+	unsigned long _key = *key;
+	void *val = btree_get_prev(&head->h, BTREE_TYPE_GEO, &_key);
+	if (val)
+		*key = _key;
+	return val;
+}
+#else
+static inline void *BTREE_FN(lookup)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key)
+{
+	return btree_lookup(&head->h, BTREE_TYPE_GEO, (unsigned long *)&key);
+}
+
+static inline int BTREE_FN(insert)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key,
+			   void *val, gfp_t gfp)
+{
+	return btree_insert(&head->h, BTREE_TYPE_GEO, (unsigned long *)&key,
+			    val, gfp);
+}
+
+static inline int BTREE_FN(update)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key,
+		void *val)
+{
+	return btree_update(&head->h, BTREE_TYPE_GEO, (unsigned long *)&key, val);
+}
+
+static inline void *BTREE_FN(remove)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE key)
+{
+	return btree_remove(&head->h, BTREE_TYPE_GEO, (unsigned long *)&key);
+}
+
+static inline void *BTREE_FN(last)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE *key)
+{
+	return btree_last(&head->h, BTREE_TYPE_GEO, (unsigned long *)key);
+}
+
+static inline void *BTREE_FN(get_prev)(BTREE_TYPE_HEAD *head, BTREE_KEYTYPE *key)
+{
+	return btree_get_prev(&head->h, BTREE_TYPE_GEO, (unsigned long *)key);
+}
+#endif
+
+void VISITOR_FN(void *elem, unsigned long opaque, unsigned long *key,
+		size_t index, void *__func);
+
+typedef void (*VISITOR_FN_T)(void *elem, unsigned long opaque,
+			     BTREE_KEYTYPE key, size_t index);
+
+static inline size_t BTREE_FN(visitor)(BTREE_TYPE_HEAD *head,
+				       unsigned long opaque,
+				       VISITOR_FN_T func2)
+{
+	return btree_visitor(&head->h, BTREE_TYPE_GEO, opaque,
+			     visitorl, func2);
+}
+
+static inline size_t BTREE_FN(grim_visitor)(BTREE_TYPE_HEAD *head,
+					    unsigned long opaque,
+					    VISITOR_FN_T func2)
+{
+	return btree_grim_visitor(&head->h, BTREE_TYPE_GEO, opaque,
+				  visitorl, func2);
+}
+
+#undef VISITOR_FN
+#undef VISITOR_FN_T
+#undef __BTREE_TP
+#undef _BTREE_TP
+#undef BTREE_TP
+#undef BTREE_FN
+#undef BTREE_TYPE_HEAD
+#undef BTREE_TYPE_SUFFIX
+#undef BTREE_TYPE_GEO
+#undef BTREE_KEYTYPE
+#undef BTREE_TYPE_BITS
diff --git a/include/linux/btree.h b/include/linux/btree.h
new file mode 100644
index 000000000000..65b5bb058324
--- /dev/null
+++ b/include/linux/btree.h
@@ -0,0 +1,243 @@
+#ifndef BTREE_H
+#define BTREE_H
+
+#include <linux/kernel.h>
+#include <linux/mempool.h>
+
+/**
+ * DOC: B+Tree basics
+ *
+ * A B+Tree is a data structure for looking up arbitrary (currently allowing
+ * unsigned long, u32, u64 and 2 * u64) keys into pointers. The data structure
+ * is described at http://en.wikipedia.org/wiki/B-tree, we currently do not
+ * use binary search to find the key on lookups.
+ *
+ * Each B+Tree consists of a head, that contains bookkeeping information and
+ * a variable number (starting with zero) nodes. Each node contains the keys
+ * and pointers to sub-nodes, or, for leaf nodes, the keys and values for the
+ * tree entries.
+ *
+ * Each node in this implementation has the following layout:
+ * [key1, key2, ..., keyN] [val1, val2, ..., valN]
+ *
+ * Each key here is an array of unsigned longs, geo->no_longs in total. The
+ * number of keys and values (N) is geo->no_pairs.
+ */
+
+/**
+ * struct btree_head - btree head
+ *
+ * @node: the first node in the tree
+ * @mempool: mempool used for node allocations
+ * @height: current of the tree
+ */
+struct btree_head {
+	unsigned long *node;
+	mempool_t *mempool;
+	int height;
+};
+
+/* btree geometry */
+struct btree_geo;
+
+/**
+ * btree_alloc - allocate function for the mempool
+ * @gfp_mask: gfp mask for the allocation
+ * @pool_data: unused
+ */
+void *btree_alloc(gfp_t gfp_mask, void *pool_data);
+
+/**
+ * btree_free - free function for the mempool
+ * @element: the element to free
+ * @pool_data: unused
+ */
+void btree_free(void *element, void *pool_data);
+
+/**
+ * btree_init_mempool - initialise a btree with given mempool
+ *
+ * @head: the btree head to initialise
+ * @mempool: the mempool to use
+ *
+ * When this function is used, there is no need to destroy
+ * the mempool.
+ */
+void btree_init_mempool(struct btree_head *head, mempool_t *mempool);
+
+/**
+ * btree_init - initialise a btree
+ *
+ * @head: the btree head to initialise
+ *
+ * This function allocates the memory pool that the
+ * btree needs. Returns zero or a negative error code
+ * (-%ENOMEM) when memory allocation fails.
+ *
+ */
+int __must_check btree_init(struct btree_head *head);
+
+/**
+ * btree_destroy - destroy mempool
+ *
+ * @head: the btree head to destroy
+ *
+ * This function destroys the internal memory pool, use only
+ * when using btree_init(), not with btree_init_mempool().
+ */
+void btree_destroy(struct btree_head *head);
+
+/**
+ * btree_lookup - look up a key in the btree
+ *
+ * @head: the btree to look in
+ * @geo: the btree geometry
+ * @key: the key to look up
+ *
+ * This function returns the value for the given key, or %NULL.
+ */
+void *btree_lookup(struct btree_head *head, struct btree_geo *geo,
+		   unsigned long *key);
+
+/**
+ * btree_insert - insert an entry into the btree
+ *
+ * @head: the btree to add to
+ * @geo: the btree geometry
+ * @key: the key to add (must not already be present)
+ * @val: the value to add (must not be %NULL)
+ * @gfp: allocation flags for node allocations
+ *
+ * This function returns 0 if the item could be added, or an
+ * error code if it failed (may fail due to memory pressure).
+ */
+int __must_check btree_insert(struct btree_head *head, struct btree_geo *geo,
+			      unsigned long *key, void *val, gfp_t gfp);
+/**
+ * btree_update - update an entry in the btree
+ *
+ * @head: the btree to update
+ * @geo: the btree geometry
+ * @key: the key to update
+ * @val: the value to change it to (must not be %NULL)
+ *
+ * This function returns 0 if the update was successful, or
+ * -%ENOENT if the key could not be found.
+ */
+int btree_update(struct btree_head *head, struct btree_geo *geo,
+		 unsigned long *key, void *val);
+/**
+ * btree_remove - remove an entry from the btree
+ *
+ * @head: the btree to update
+ * @geo: the btree geometry
+ * @key: the key to remove
+ *
+ * This function returns the removed entry, or %NULL if the key
+ * could not be found.
+ */
+void *btree_remove(struct btree_head *head, struct btree_geo *geo,
+		   unsigned long *key);
+
+/**
+ * btree_merge - merge two btrees
+ *
+ * @target: the tree that gets all the entries
+ * @victim: the tree that gets merged into @target
+ * @geo: the btree geometry
+ * @gfp: allocation flags
+ *
+ * The two trees @target and @victim may not contain the same keys,
+ * that is a bug and triggers a BUG(). This function returns zero
+ * if the trees were merged successfully, and may return a failure
+ * when memory allocation fails, in which case both trees might have
+ * been partially merged, i.e. some entries have been moved from
+ * @victim to @target.
+ */
+int btree_merge(struct btree_head *target, struct btree_head *victim,
+		struct btree_geo *geo, gfp_t gfp);
+
+/**
+ * btree_last - get last entry in btree
+ *
+ * @head: btree head
+ * @geo: btree geometry
+ * @key: last key
+ *
+ * Returns the last entry in the btree, and sets @key to the key
+ * of that entry; returns NULL if the tree is empty, in that case
+ * key is not changed.
+ */
+void *btree_last(struct btree_head *head, struct btree_geo *geo,
+		 unsigned long *key);
+
+/**
+ * btree_get_prev - get previous entry
+ *
+ * @head: btree head
+ * @geo: btree geometry
+ * @key: pointer to key
+ *
+ * The function returns the next item right before the value pointed to by
+ * @key, and updates @key with its key, or returns %NULL when there is no
+ * entry with a key smaller than the given key.
+ */
+void *btree_get_prev(struct btree_head *head, struct btree_geo *geo,
+		     unsigned long *key);
+
+
+/* internal use, use btree_visitor{l,32,64,128} */
+size_t btree_visitor(struct btree_head *head, struct btree_geo *geo,
+		     unsigned long opaque,
+		     void (*func)(void *elem, unsigned long opaque,
+				  unsigned long *key, size_t index,
+				  void *func2),
+		     void *func2);
+
+/* internal use, use btree_grim_visitor{l,32,64,128} */
+size_t btree_grim_visitor(struct btree_head *head, struct btree_geo *geo,
+			  unsigned long opaque,
+			  void (*func)(void *elem, unsigned long opaque,
+				       unsigned long *key,
+				       size_t index, void *func2),
+			  void *func2);
+
+
+#include <linux/btree-128.h>
+
+extern struct btree_geo btree_geo32;
+#define BTREE_TYPE_SUFFIX l
+#define BTREE_TYPE_BITS BITS_PER_LONG
+#define BTREE_TYPE_GEO &btree_geo32
+#define BTREE_KEYTYPE unsigned long
+#include <linux/btree-type.h>
+
+#define btree_for_each_safel(head, key, val)	\
+	for (val = btree_lastl(head, &key);	\
+	     val;				\
+	     val = btree_get_prevl(head, &key))
+
+#define BTREE_TYPE_SUFFIX 32
+#define BTREE_TYPE_BITS 32
+#define BTREE_TYPE_GEO &btree_geo32
+#define BTREE_KEYTYPE u32
+#include <linux/btree-type.h>
+
+#define btree_for_each_safe32(head, key, val)	\
+	for (val = btree_last32(head, &key);	\
+	     val;				\
+	     val = btree_get_prev32(head, &key))
+
+extern struct btree_geo btree_geo64;
+#define BTREE_TYPE_SUFFIX 64
+#define BTREE_TYPE_BITS 64
+#define BTREE_TYPE_GEO &btree_geo64
+#define BTREE_KEYTYPE u64
+#include <linux/btree-type.h>
+
+#define btree_for_each_safe64(head, key, val)	\
+	for (val = btree_last64(head, &key);	\
+	     val;				\
+	     val = btree_get_prev64(head, &key))
+
+#endif
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index c9bbcb2a75ae..b8ad1ea99586 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -37,16 +37,24 @@ extern void cgroup_post_fork(struct task_struct *p);
 extern void cgroup_exit(struct task_struct *p, int run_callbacks);
 extern int cgroupstats_build(struct cgroupstats *stats,
 				struct dentry *dentry);
+extern int cgroup_load_subsys(struct cgroup_subsys *ss);
+extern void cgroup_unload_subsys(struct cgroup_subsys *ss);
 
 extern const struct file_operations proc_cgroup_operations;
 
-/* Define the enumeration of all cgroup subsystems */
+/* Define the enumeration of all builtin cgroup subsystems */
 #define SUBSYS(_x) _x ## _subsys_id,
 enum cgroup_subsys_id {
 #include <linux/cgroup_subsys.h>
-	CGROUP_SUBSYS_COUNT
+	CGROUP_BUILTIN_SUBSYS_COUNT
 };
 #undef SUBSYS
+/*
+ * This define indicates the maximum number of subsystems that can be loaded
+ * at once. We limit to this many since cgroupfs_root has subsys_bits to keep
+ * track of all of them.
+ */
+#define CGROUP_SUBSYS_COUNT (BITS_PER_BYTE*sizeof(unsigned long))
 
 /* Per-subsystem/per-cgroup state maintained by the system. */
 struct cgroup_subsys_state {
@@ -76,6 +84,12 @@ enum {
 	CSS_REMOVED, /* This CSS is dead */
 };
 
+/* Caller must verify that the css is not for root cgroup */
+static inline void __css_get(struct cgroup_subsys_state *css, int count)
+{
+	atomic_add(count, &css->refcnt);
+}
+
 /*
  * Call css_get() to hold a reference on the css; it can be used
  * for a reference obtained via:
@@ -87,7 +101,7 @@ static inline void css_get(struct cgroup_subsys_state *css)
 {
 	/* We don't need to reference count the root state */
 	if (!test_bit(CSS_ROOT, &css->flags))
-		atomic_inc(&css->refcnt);
+		__css_get(css, 1);
 }
 
 static inline bool css_is_removed(struct cgroup_subsys_state *css)
@@ -118,11 +132,11 @@ static inline bool css_tryget(struct cgroup_subsys_state *css)
  * css_get() or css_tryget()
  */
 
-extern void __css_put(struct cgroup_subsys_state *css);
+extern void __css_put(struct cgroup_subsys_state *css, int count);
 static inline void css_put(struct cgroup_subsys_state *css)
 {
 	if (!test_bit(CSS_ROOT, &css->flags))
-		__css_put(css);
+		__css_put(css, 1);
 }
 
 /* bits in struct cgroup flags field */
@@ -221,6 +235,10 @@ struct cgroup {
 
 	/* For RCU-protected deletion */
 	struct rcu_head rcu_head;
+
+	/* List of events which userspace want to recieve */
+	struct list_head event_list;
+	spinlock_t event_list_lock;
 };
 
 /*
@@ -258,7 +276,8 @@ struct css_set {
 	/*
 	 * Set of subsystem states, one for each subsystem. This array
 	 * is immutable after creation apart from the init_css_set
-	 * during subsystem registration (at boot time).
+	 * during subsystem registration (at boot time) and modular subsystem
+	 * loading/unloading.
 	 */
 	struct cgroup_subsys_state *subsys[CGROUP_SUBSYS_COUNT];
 
@@ -363,6 +382,23 @@ struct cftype {
 	int (*trigger)(struct cgroup *cgrp, unsigned int event);
 
 	int (*release)(struct inode *inode, struct file *file);
+
+	/*
+	 * register_event() callback will be used to add new userspace
+	 * waiter for changes related to the cftype. Implement it if
+	 * you want to provide this functionality. Use eventfd_signal()
+	 * on eventfd to send notification to userspace.
+	 */
+	int (*register_event)(struct cgroup *cgrp, struct cftype *cft,
+			struct eventfd_ctx *eventfd, const char *args);
+	/*
+	 * unregister_event() callback will be called when userspace
+	 * closes the eventfd or on cgroup removing.
+	 * This callback must be implemented, if you want provide
+	 * notification functionality.
+	 */
+	int (*unregister_event)(struct cgroup *cgrp, struct cftype *cft,
+			struct eventfd_ctx *eventfd);
 };
 
 struct cgroup_scanner {
@@ -428,6 +464,8 @@ struct cgroup_subsys {
 	void (*destroy)(struct cgroup_subsys *ss, struct cgroup *cgrp);
 	int (*can_attach)(struct cgroup_subsys *ss, struct cgroup *cgrp,
 			  struct task_struct *tsk, bool threadgroup);
+	void (*cancel_attach)(struct cgroup_subsys *ss, struct cgroup *cgrp,
+			  struct task_struct *tsk, bool threadgroup);
 	void (*attach)(struct cgroup_subsys *ss, struct cgroup *cgrp,
 			struct cgroup *old_cgrp, struct task_struct *tsk,
 			bool threadgroup);
@@ -472,6 +510,9 @@ struct cgroup_subsys {
 	/* used when use_id == true */
 	struct idr idr;
 	spinlock_t id_lock;
+
+	/* should be defined only by modular subsystems */
+	struct module *module;
 };
 
 #define SUBSYS(_x) extern struct cgroup_subsys _x ## _subsys;
diff --git a/include/linux/circ_buf.h b/include/linux/circ_buf.h
index a2ed0591fb19..90f2471dc6f2 100644
--- a/include/linux/circ_buf.h
+++ b/include/linux/circ_buf.h
@@ -1,3 +1,7 @@
+/*
+ * See Documentation/circular-buffers.txt for more information.
+ */
+
 #ifndef _LINUX_CIRC_BUF_H
 #define _LINUX_CIRC_BUF_H 1
 
diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h
index 0cf725bdd2a1..fc53492b6ad7 100644
--- a/include/linux/clockchips.h
+++ b/include/linux/clockchips.h
@@ -73,6 +73,7 @@ enum clock_event_nofitiers {
  * @list:		list head for the management code
  * @mode:		operating mode assigned by the management code
  * @next_event:		local storage for the next event in oneshot mode
+ * @retries:		number of forced programming retries
  */
 struct clock_event_device {
 	const char		*name;
@@ -93,6 +94,7 @@ struct clock_event_device {
 	struct list_head	list;
 	enum clock_event_mode	mode;
 	ktime_t			next_event;
+	unsigned long		retries;
 };
 
 /*
diff --git a/include/linux/compat.h b/include/linux/compat.h
index ef68119a4fd2..717c691ecd8e 100644
--- a/include/linux/compat.h
+++ b/include/linux/compat.h
@@ -23,6 +23,7 @@
 typedef __compat_uid32_t	compat_uid_t;
 typedef __compat_gid32_t	compat_gid_t;
 
+struct compat_sel_arg_struct;
 struct rusage;
 
 struct compat_itimerspec { 
@@ -249,6 +250,8 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
 		compat_ulong_t __user *outp, compat_ulong_t __user *exp,
 		struct compat_timeval __user *tvp);
 
+asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg);
+
 asmlinkage long compat_sys_wait4(compat_pid_t pid,
 				 compat_uint_t __user *stat_addr, int options,
 				 struct compat_rusage __user *ru);
diff --git a/include/linux/compiler.h b/include/linux/compiler.h
index 188fcae10a99..a5a472b10746 100644
--- a/include/linux/compiler.h
+++ b/include/linux/compiler.h
@@ -5,7 +5,7 @@
 
 #ifdef __CHECKER__
 # define __user		__attribute__((noderef, address_space(1)))
-# define __kernel	/* default address space */
+# define __kernel	__attribute__((address_space(0)))
 # define __safe		__attribute__((safe))
 # define __force	__attribute__((force))
 # define __nocast	__attribute__((nocast))
diff --git a/include/linux/coredump.h b/include/linux/coredump.h
new file mode 100644
index 000000000000..8ba66a9d9022
--- /dev/null
+++ b/include/linux/coredump.h
@@ -0,0 +1,45 @@
+#ifndef _LINUX_COREDUMP_H
+#define _LINUX_COREDUMP_H
+
+#include <linux/types.h>
+#include <linux/mm.h>
+#include <linux/fs.h>
+
+/*
+ * These are the only things you should do on a core-file: use only these
+ * functions to write out all the necessary info.
+ */
+static inline int dump_write(struct file *file, const void *addr, int nr)
+{
+	return file->f_op->write(file, addr, nr, &file->f_pos) == nr;
+}
+
+static inline int dump_seek(struct file *file, loff_t off)
+{
+	int ret = 1;
+
+	if (file->f_op->llseek && file->f_op->llseek != no_llseek) {
+		if (file->f_op->llseek(file, off, SEEK_CUR) < 0)
+			return 0;
+	} else {
+		char *buf = (char *)get_zeroed_page(GFP_KERNEL);
+
+		if (!buf)
+			return 0;
+		while (off > 0) {
+			unsigned long n = off;
+
+			if (n > PAGE_SIZE)
+				n = PAGE_SIZE;
+			if (!dump_write(file, buf, n)) {
+				ret = 0;
+				break;
+			}
+			off -= n;
+		}
+		free_page((unsigned long)buf);
+	}
+	return ret;
+}
+
+#endif /* _LINUX_COREDUMP_H */
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index dbcee7647d9a..bae6fe24d1f9 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -90,10 +90,10 @@ extern const struct cpumask *const cpu_active_mask;
 #define cpu_present(cpu)	cpumask_test_cpu((cpu), cpu_present_mask)
 #define cpu_active(cpu)		cpumask_test_cpu((cpu), cpu_active_mask)
 #else
-#define num_online_cpus()	1
-#define num_possible_cpus()	1
-#define num_present_cpus()	1
-#define num_active_cpus()	1
+#define num_online_cpus()	1U
+#define num_possible_cpus()	1U
+#define num_present_cpus()	1U
+#define num_active_cpus()	1U
 #define cpu_online(cpu)		((cpu) == 0)
 #define cpu_possible(cpu)	((cpu) == 0)
 #define cpu_present(cpu)	((cpu) == 0)
diff --git a/include/linux/cred.h b/include/linux/cred.h
index 4db09f89b637..52507c3e1387 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -280,7 +280,7 @@ static inline void put_cred(const struct cred *_cred)
  * task or by holding tasklist_lock to prevent it from being unlinked.
  */
 #define __task_cred(task) \
-	((const struct cred *)(rcu_dereference_check((task)->real_cred, rcu_read_lock_held() || lockdep_is_held(&tasklist_lock))))
+	((const struct cred *)(rcu_dereference_check((task)->real_cred, rcu_read_lock_held() || lockdep_tasklist_lock_is_held())))
 
 /**
  * get_task_cred - Get another task's objective credentials
diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h
index 5032b9a31ae7..ad5ec1d0475e 100644
--- a/include/linux/decompress/mm.h
+++ b/include/linux/decompress/mm.h
@@ -14,11 +14,21 @@
 
 /* Code active when included from pre-boot environment: */
 
+/*
+ * Some architectures want to ensure there is no local data in their
+ * pre-boot environment, so that data can arbitarily relocated (via
+ * GOT references).  This is achieved by defining STATIC_RW_DATA to
+ * be null.
+ */
+#ifndef STATIC_RW_DATA
+#define STATIC_RW_DATA static
+#endif
+
 /* A trivial malloc implementation, adapted from
  *  malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
  */
-static unsigned long malloc_ptr;
-static int malloc_count;
+STATIC_RW_DATA unsigned long malloc_ptr;
+STATIC_RW_DATA int malloc_count;
 
 static void *malloc(int size)
 {
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index d4c9c0b88adc..1381cd97b4ed 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -118,10 +118,9 @@ struct dm_dev {
 /*
  * Constructors should call these functions to ensure destination devices
  * are opened/closed correctly.
- * FIXME: too many arguments.
  */
-int dm_get_device(struct dm_target *ti, const char *path, sector_t start,
-		  sector_t len, fmode_t mode, struct dm_dev **result);
+int dm_get_device(struct dm_target *ti, const char *path, fmode_t mode,
+						 struct dm_dev **result);
 void dm_put_device(struct dm_target *ti, struct dm_dev *d);
 
 /*
diff --git a/include/linux/device.h b/include/linux/device.h
index b30527db3ac0..182192892d45 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -106,7 +106,7 @@ extern int bus_unregister_notifier(struct bus_type *bus,
 
 /* All 4 notifers below get called with the target struct device *
  * as an argument. Note that those functions are likely to be called
- * with the device semaphore held in the core, so be careful.
+ * with the device lock held in the core, so be careful.
  */
 #define BUS_NOTIFY_ADD_DEVICE		0x00000001 /* device added */
 #define BUS_NOTIFY_DEL_DEVICE		0x00000002 /* device removed */
@@ -251,8 +251,10 @@ extern struct device *class_find_device(struct class *class,
 
 struct class_attribute {
 	struct attribute attr;
-	ssize_t (*show)(struct class *class, char *buf);
-	ssize_t (*store)(struct class *class, const char *buf, size_t count);
+	ssize_t (*show)(struct class *class, struct class_attribute *attr,
+			char *buf);
+	ssize_t (*store)(struct class *class, struct class_attribute *attr,
+			const char *buf, size_t count);
 };
 
 #define CLASS_ATTR(_name, _mode, _show, _store)			\
@@ -263,6 +265,23 @@ extern int __must_check class_create_file(struct class *class,
 extern void class_remove_file(struct class *class,
 			      const struct class_attribute *attr);
 
+/* Simple class attribute that is just a static string */
+
+struct class_attribute_string {
+	struct class_attribute attr;
+	char *str;
+};
+
+/* Currently read-only only */
+#define _CLASS_ATTR_STRING(_name, _mode, _str) \
+	{ __ATTR(_name, _mode, show_class_attr_string, NULL), _str }
+#define CLASS_ATTR_STRING(_name, _mode, _str) \
+	struct class_attribute_string class_attr_##_name = \
+		_CLASS_ATTR_STRING(_name, _mode, _str)
+
+extern ssize_t show_class_attr_string(struct class *class, struct class_attribute *attr,
+                        char *buf);
+
 struct class_interface {
 	struct list_head	node;
 	struct class		*class;
@@ -489,6 +508,21 @@ static inline bool device_async_suspend_enabled(struct device *dev)
 	return !!dev->power.async_suspend;
 }
 
+static inline void device_lock(struct device *dev)
+{
+	down(&dev->sem);
+}
+
+static inline int device_trylock(struct device *dev)
+{
+	return down_trylock(&dev->sem);
+}
+
+static inline void device_unlock(struct device *dev)
+{
+	up(&dev->sem);
+}
+
 void driver_init(void);
 
 /*
diff --git a/include/linux/dm-io.h b/include/linux/dm-io.h
index b6bf17ee2f61..5c9186b93fff 100644
--- a/include/linux/dm-io.h
+++ b/include/linux/dm-io.h
@@ -37,14 +37,14 @@ enum dm_io_mem_type {
 struct dm_io_memory {
 	enum dm_io_mem_type type;
 
+	unsigned offset;
+
 	union {
 		struct page_list *pl;
 		struct bio_vec *bvec;
 		void *vma;
 		void *addr;
 	} ptr;
-
-	unsigned offset;
 };
 
 struct dm_io_notify {
diff --git a/include/linux/dm-ioctl.h b/include/linux/dm-ioctl.h
index aa95508d2f95..2c445e113790 100644
--- a/include/linux/dm-ioctl.h
+++ b/include/linux/dm-ioctl.h
@@ -266,9 +266,9 @@ enum {
 #define DM_DEV_SET_GEOMETRY	_IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl)
 
 #define DM_VERSION_MAJOR	4
-#define DM_VERSION_MINOR	16
+#define DM_VERSION_MINOR	17
 #define DM_VERSION_PATCHLEVEL	0
-#define DM_VERSION_EXTRA	"-ioctl (2009-11-05)"
+#define DM_VERSION_EXTRA	"-ioctl (2010-03-05)"
 
 /* Status bits */
 #define DM_READONLY_FLAG	(1 << 0) /* In/Out */
@@ -316,4 +316,9 @@ enum {
  */
 #define DM_QUERY_INACTIVE_TABLE_FLAG	(1 << 12) /* In */
 
+/*
+ * If set, a uevent was generated for which the caller may need to wait.
+ */
+#define DM_UEVENT_GENERATED_FLAG	(1 << 13) /* Out */
+
 #endif				/* _LINUX_DM_IOCTL_H */
diff --git a/include/linux/dm9000.h b/include/linux/dm9000.h
index c30879cf93bc..96e87693d933 100644
--- a/include/linux/dm9000.h
+++ b/include/linux/dm9000.h
@@ -23,7 +23,7 @@
 #define DM9000_PLATF_NO_EEPROM	(0x0010)
 #define DM9000_PLATF_SIMPLE_PHY (0x0020)  /* Use NSR to find LinkStatus */
 
-/* platfrom data for platfrom device structure's platfrom_data field */
+/* platform data for platform device structure's platform_data field */
 
 struct dm9000_plat_data {
 	unsigned int	flags;
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index 91b761846061..ca32ed78b057 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -127,6 +127,14 @@ static inline u64 dma_get_mask(struct device *dev)
 	return DMA_BIT_MASK(32);
 }
 
+static inline int dma_set_coherent_mask(struct device *dev, u64 mask)
+{
+	if (!dma_supported(dev, mask))
+		return -EIO;
+	dev->coherent_dma_mask = mask;
+	return 0;
+}
+
 extern u64 dma_get_required_mask(struct device *dev);
 
 static inline unsigned int dma_get_max_seg_size(struct device *dev)
@@ -232,4 +240,20 @@ struct dma_attrs;
 
 #endif /* CONFIG_HAVE_DMA_ATTRS */
 
+#ifdef CONFIG_NEED_DMA_MAP_STATE
+#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME)        dma_addr_t ADDR_NAME
+#define DEFINE_DMA_UNMAP_LEN(LEN_NAME)          __u32 LEN_NAME
+#define dma_unmap_addr(PTR, ADDR_NAME)           ((PTR)->ADDR_NAME)
+#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL)  (((PTR)->ADDR_NAME) = (VAL))
+#define dma_unmap_len(PTR, LEN_NAME)             ((PTR)->LEN_NAME)
+#define dma_unmap_len_set(PTR, LEN_NAME, VAL)    (((PTR)->LEN_NAME) = (VAL))
+#else
+#define DEFINE_DMA_UNMAP_ADDR(ADDR_NAME)
+#define DEFINE_DMA_UNMAP_LEN(LEN_NAME)
+#define dma_unmap_addr(PTR, ADDR_NAME)           (0)
+#define dma_unmap_addr_set(PTR, ADDR_NAME, VAL)  do { } while (0)
+#define dma_unmap_len(PTR, LEN_NAME)             (0)
+#define dma_unmap_len_set(PTR, LEN_NAME, VAL)    do { } while (0)
+#endif
+
 #endif
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 78784982b33e..20ea12c86fd0 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -31,6 +31,8 @@
  * if dma_cookie_t is >0 it's a DMA request cookie, <0 it's an error code
  */
 typedef s32 dma_cookie_t;
+#define DMA_MIN_COOKIE	1
+#define DMA_MAX_COOKIE	INT_MAX
 
 #define dma_submit_error(cookie) ((cookie) < 0 ? 1 : 0)
 
@@ -162,7 +164,7 @@ struct dma_chan {
 	struct dma_chan_dev *dev;
 
 	struct list_head device_node;
-	struct dma_chan_percpu *local;
+	struct dma_chan_percpu __percpu *local;
 	int client_count;
 	int table_count;
 	void *private;
diff --git a/include/linux/early_res.h b/include/linux/early_res.h
new file mode 100644
index 000000000000..29c09f57a13c
--- /dev/null
+++ b/include/linux/early_res.h
@@ -0,0 +1,23 @@
+#ifndef _LINUX_EARLY_RES_H
+#define _LINUX_EARLY_RES_H
+#ifdef __KERNEL__
+
+extern void reserve_early(u64 start, u64 end, char *name);
+extern void reserve_early_overlap_ok(u64 start, u64 end, char *name);
+extern void free_early(u64 start, u64 end);
+void free_early_partial(u64 start, u64 end);
+extern void early_res_to_bootmem(u64 start, u64 end);
+
+void reserve_early_without_check(u64 start, u64 end, char *name);
+u64 find_early_area(u64 ei_start, u64 ei_last, u64 start, u64 end,
+			 u64 size, u64 align);
+u64 find_early_area_size(u64 ei_start, u64 ei_last, u64 start,
+			 u64 *sizep, u64 align);
+u64 find_fw_memmap_area(u64 start, u64 end, u64 size, u64 align);
+u64 get_max_mapped(void);
+#include <linux/range.h>
+int get_free_all_memory_range(struct range **rangep, int nodeid);
+
+#endif /* __KERNEL__ */
+
+#endif /* _LINUX_EARLY_RES_H */
diff --git a/include/linux/elf.h b/include/linux/elf.h
index ad990c5f63f6..597858418051 100644
--- a/include/linux/elf.h
+++ b/include/linux/elf.h
@@ -50,6 +50,28 @@ typedef __s64	Elf64_Sxword;
 
 #define PT_GNU_STACK	(PT_LOOS + 0x474e551)
 
+/*
+ * Extended Numbering
+ *
+ * If the real number of program header table entries is larger than
+ * or equal to PN_XNUM(0xffff), it is set to sh_info field of the
+ * section header at index 0, and PN_XNUM is set to e_phnum
+ * field. Otherwise, the section header at index 0 is zero
+ * initialized, if it exists.
+ *
+ * Specifications are available in:
+ *
+ * - Sun microsystems: Linker and Libraries.
+ *   Part No: 817-1984-17, September 2008.
+ *   URL: http://docs.sun.com/app/docs/doc/817-1984
+ *
+ * - System V ABI AMD64 Architecture Processor Supplement
+ *   Draft Version 0.99.,
+ *   May 11, 2009.
+ *   URL: http://www.x86-64.org/
+ */
+#define PN_XNUM 0xffff
+
 /* These constants define the different elf file types */
 #define ET_NONE   0
 #define ET_REL    1
@@ -286,7 +308,7 @@ typedef struct elf64_phdr {
 #define SHN_COMMON	0xfff2
 #define SHN_HIRESERVE	0xffff
  
-typedef struct {
+typedef struct elf32_shdr {
   Elf32_Word	sh_name;
   Elf32_Word	sh_type;
   Elf32_Word	sh_flags;
@@ -394,16 +416,20 @@ typedef struct elf64_note {
 extern Elf32_Dyn _DYNAMIC [];
 #define elfhdr		elf32_hdr
 #define elf_phdr	elf32_phdr
+#define elf_shdr	elf32_shdr
 #define elf_note	elf32_note
 #define elf_addr_t	Elf32_Off
+#define Elf_Half	Elf32_Half
 
 #else
 
 extern Elf64_Dyn _DYNAMIC [];
 #define elfhdr		elf64_hdr
 #define elf_phdr	elf64_phdr
+#define elf_shdr	elf64_shdr
 #define elf_note	elf64_note
 #define elf_addr_t	Elf64_Off
+#define Elf_Half	Elf64_Half
 
 #endif
 
diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h
index 00d6a68d0421..e687bc3ba4da 100644
--- a/include/linux/elfcore.h
+++ b/include/linux/elfcore.h
@@ -8,6 +8,8 @@
 #include <linux/user.h>
 #endif
 #include <linux/ptrace.h>
+#include <linux/elf.h>
+#include <linux/fs.h>
 
 struct elf_siginfo
 {
@@ -150,5 +152,20 @@ static inline int elf_core_copy_task_xfpregs(struct task_struct *t, elf_fpxregse
 
 #endif /* __KERNEL__ */
 
+/*
+ * These functions parameterize elf_core_dump in fs/binfmt_elf.c to write out
+ * extra segments containing the gate DSO contents.  Dumping its
+ * contents makes post-mortem fully interpretable later without matching up
+ * the same kernel and hardware config to see what PC values meant.
+ * Dumping its extra ELF program headers includes all the other information
+ * a debugger needs to easily find how the gate DSO was being used.
+ */
+extern Elf_Half elf_core_extra_phdrs(void);
+extern int
+elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size,
+			   unsigned long limit);
+extern int
+elf_core_write_extra_data(struct file *file, size_t *size, unsigned long limit);
+extern size_t elf_core_extra_data_size(void);
 
 #endif /* _LINUX_ELFCORE_H */
diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h
index cca1c3de140d..b33f316bb92e 100644
--- a/include/linux/ethtool.h
+++ b/include/linux/ethtool.h
@@ -61,6 +61,13 @@ struct ethtool_drvinfo {
 				/* For PCI devices, use pci_name(pci_dev). */
 	char	reserved1[32];
 	char	reserved2[12];
+				/*
+				 * Some struct members below are filled in
+				 * using ops->get_sset_count().  Obtaining
+				 * this info from ethtool_drvinfo is now
+				 * deprecated; Use ETHTOOL_GSSET_INFO
+				 * instead.
+				 */
 	__u32	n_priv_flags;	/* number of flags valid in ETHTOOL_GPFLAGS */
 	__u32	n_stats;	/* number of u64's from ETHTOOL_GSTATS */
 	__u32	testinfo_len;
@@ -253,6 +260,17 @@ struct ethtool_gstrings {
 	__u8	data[0];
 };
 
+struct ethtool_sset_info {
+	__u32	cmd;		/* ETHTOOL_GSSET_INFO */
+	__u32	reserved;
+	__u64	sset_mask;	/* input: each bit selects an sset to query */
+				/* output: each bit a returned sset */
+	__u32	data[0];	/* ETH_SS_xxx count, in order, based on bits
+				   in sset_mask.  One bit implies one
+				   __u32, two bits implies two
+				   __u32's, etc. */
+};
+
 enum ethtool_test_flags {
 	ETH_TEST_FL_OFFLINE	= (1 << 0),	/* online / offline */
 	ETH_TEST_FL_FAILED	= (1 << 1),	/* test passed / failed */
@@ -606,9 +624,9 @@ struct ethtool_ops {
 #define	ETHTOOL_SRXCLSRLINS	0x00000032 /* Insert RX classification rule */
 #define	ETHTOOL_FLASHDEV	0x00000033 /* Flash firmware to device */
 #define	ETHTOOL_RESET		0x00000034 /* Reset hardware */
-
-#define ETHTOOL_SRXNTUPLE	0x00000035 /* Add an n-tuple filter to device */
-#define ETHTOOL_GRXNTUPLE	0x00000036 /* Get n-tuple filters from device */
+#define	ETHTOOL_SRXNTUPLE	0x00000035 /* Add an n-tuple filter to device */
+#define	ETHTOOL_GRXNTUPLE	0x00000036 /* Get n-tuple filters from device */
+#define	ETHTOOL_GSSET_INFO	0x00000037 /* Get string set info */
 
 /* compatibility with older code */
 #define SPARC_ETH_GSET		ETHTOOL_GSET
diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h
index dc12f416a49f..a9cd507f8cd2 100644
--- a/include/linux/exportfs.h
+++ b/include/linux/exportfs.h
@@ -96,6 +96,7 @@ struct fid {
  * @fh_to_parent:   find the implied object's parent and get a dentry for it
  * @get_name:       find the name for a given inode in a given directory
  * @get_parent:     find the parent of a given directory
+ * @commit_metadata: commit metadata changes to stable storage
  *
  * See Documentation/filesystems/nfs/Exporting for details on how to use
  * this interface correctly.
@@ -137,6 +138,9 @@ struct fid {
  *    is also a directory.  In the event that it cannot be found, or storage
  *    space cannot be allocated, a %ERR_PTR should be returned.
  *
+ * commit_metadata:
+ *    @commit_metadata should commit metadata changes to stable storage.
+ *
  * Locking rules:
  *    get_parent is called with child->d_inode->i_mutex down
  *    get_name is not (which is possibly inconsistent)
@@ -152,6 +156,7 @@ struct export_operations {
 	int (*get_name)(struct dentry *parent, char *name,
 			struct dentry *child);
 	struct dentry * (*get_parent)(struct dentry *child);
+	int (*commit_metadata)(struct inode *inode);
 };
 
 extern int exportfs_encode_fh(struct dentry *dentry, struct fid *fid,
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 6b049030fbe6..5f494b465097 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -202,14 +202,6 @@ static inline __u32 ext3_mask_flags(umode_t mode, __u32 flags)
 		return flags & EXT3_OTHER_FLMASK;
 }
 
-/*
- * Inode dynamic state flags
- */
-#define EXT3_STATE_JDATA		0x00000001 /* journaled data exists */
-#define EXT3_STATE_NEW			0x00000002 /* inode is newly created */
-#define EXT3_STATE_XATTR		0x00000004 /* has in-inode xattrs */
-#define EXT3_STATE_FLUSH_ON_CLOSE	0x00000008
-
 /* Used to pass group descriptor data when online resize is done */
 struct ext3_new_group_input {
 	__u32 group;            /* Group number for this data */
@@ -560,6 +552,31 @@ static inline int ext3_valid_inum(struct super_block *sb, unsigned long ino)
 		(ino >= EXT3_FIRST_INO(sb) &&
 		 ino <= le32_to_cpu(EXT3_SB(sb)->s_es->s_inodes_count));
 }
+
+/*
+ * Inode dynamic state flags
+ */
+enum {
+	EXT3_STATE_JDATA,		/* journaled data exists */
+	EXT3_STATE_NEW,			/* inode is newly created */
+	EXT3_STATE_XATTR,		/* has in-inode xattrs */
+	EXT3_STATE_FLUSH_ON_CLOSE,	/* flush dirty pages on close */
+};
+
+static inline int ext3_test_inode_state(struct inode *inode, int bit)
+{
+	return test_bit(bit, &EXT3_I(inode)->i_state_flags);
+}
+
+static inline void ext3_set_inode_state(struct inode *inode, int bit)
+{
+	set_bit(bit, &EXT3_I(inode)->i_state_flags);
+}
+
+static inline void ext3_clear_inode_state(struct inode *inode, int bit)
+{
+	clear_bit(bit, &EXT3_I(inode)->i_state_flags);
+}
 #else
 /* Assume that user mode programs are passing in an ext3fs superblock, not
  * a kernel struct super_block.  This will allow us to call the feature-test
@@ -877,7 +894,7 @@ int ext3_get_blocks_handle(handle_t *handle, struct inode *inode,
 	int create);
 
 extern struct inode *ext3_iget(struct super_block *, unsigned long);
-extern int  ext3_write_inode (struct inode *, int);
+extern int  ext3_write_inode (struct inode *, struct writeback_control *);
 extern int  ext3_setattr (struct dentry *, struct iattr *);
 extern void ext3_delete_inode (struct inode *);
 extern int  ext3_sync_inode (handle_t *, struct inode *);
diff --git a/include/linux/ext3_fs_i.h b/include/linux/ext3_fs_i.h
index 93e7428156ba..f42c098aed8d 100644
--- a/include/linux/ext3_fs_i.h
+++ b/include/linux/ext3_fs_i.h
@@ -87,7 +87,7 @@ struct ext3_inode_info {
 	 * near to their parent directory's inode.
 	 */
 	__u32	i_block_group;
-	__u32	i_state;		/* Dynamic state flags for ext3 */
+	unsigned long	i_state_flags;	/* Dynamic state flags for ext3 */
 
 	/* block reservation info */
 	struct ext3_block_alloc_info *i_block_alloc_info;
diff --git a/include/linux/fault-inject.h b/include/linux/fault-inject.h
index 06ca9b21dad2..7b64ad40e4ce 100644
--- a/include/linux/fault-inject.h
+++ b/include/linux/fault-inject.h
@@ -82,9 +82,10 @@ static inline void cleanup_fault_attr_dentries(struct fault_attr *attr)
 #endif /* CONFIG_FAULT_INJECTION */
 
 #ifdef CONFIG_FAILSLAB
-extern bool should_failslab(size_t size, gfp_t gfpflags);
+extern bool should_failslab(size_t size, gfp_t gfpflags, unsigned long flags);
 #else
-static inline bool should_failslab(size_t size, gfp_t gfpflags)
+static inline bool should_failslab(size_t size, gfp_t gfpflags,
+				unsigned long flags)
 {
 	return false;
 }
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 369767bd873e..c10163b4c40e 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -543,6 +543,8 @@ struct fb_cursor_user {
 #define FB_EVENT_GET_REQ                0x0D
 /*      Unbind from the console if possible */
 #define FB_EVENT_FB_UNBIND              0x0E
+/*      CONSOLE-SPECIFIC: remap all consoles to new fb - for vga switcheroo */
+#define FB_EVENT_REMAP_ALL_CONSOLE      0x0F
 
 struct fb_event {
 	struct fb_info *info;
diff --git a/include/linux/firewire-cdev.h b/include/linux/firewire-cdev.h
index 520ecf86cbb3..40b11013408e 100644
--- a/include/linux/firewire-cdev.h
+++ b/include/linux/firewire-cdev.h
@@ -248,13 +248,20 @@ union fw_cdev_event {
 #define FW_CDEV_IOC_SEND_BROADCAST_REQUEST       _IOW('#', 0x12, struct fw_cdev_send_request)
 #define FW_CDEV_IOC_SEND_STREAM_PACKET           _IOW('#', 0x13, struct fw_cdev_send_stream_packet)
 
+/* available since kernel version 2.6.34 */
+#define FW_CDEV_IOC_GET_CYCLE_TIMER2   _IOWR('#', 0x14, struct fw_cdev_get_cycle_timer2)
+
 /*
  * FW_CDEV_VERSION History
  *  1  (2.6.22)  - initial version
  *  2  (2.6.30)  - changed &fw_cdev_event_iso_interrupt.header if
  *                 &fw_cdev_create_iso_context.header_size is 8 or more
+ *     (2.6.32)  - added time stamp to xmit &fw_cdev_event_iso_interrupt
+ *     (2.6.33)  - IR has always packet-per-buffer semantics now, not one of
+ *                 dual-buffer or packet-per-buffer depending on hardware
+ *  3  (2.6.34)  - made &fw_cdev_get_cycle_timer reliable
  */
-#define FW_CDEV_VERSION 2
+#define FW_CDEV_VERSION 3
 
 /**
  * struct fw_cdev_get_info - General purpose information ioctl
@@ -544,14 +551,18 @@ struct fw_cdev_stop_iso {
 /**
  * struct fw_cdev_get_cycle_timer - read cycle timer register
  * @local_time:   system time, in microseconds since the Epoch
- * @cycle_timer:  isochronous cycle timer, as per OHCI 1.1 clause 5.13
+ * @cycle_timer:  Cycle Time register contents
  *
  * The %FW_CDEV_IOC_GET_CYCLE_TIMER ioctl reads the isochronous cycle timer
- * and also the system clock.  This allows to express the receive time of an
- * isochronous packet as a system time with microsecond accuracy.
+ * and also the system clock (%CLOCK_REALTIME).  This allows to express the
+ * receive time of an isochronous packet as a system time.
  *
  * @cycle_timer consists of 7 bits cycleSeconds, 13 bits cycleCount, and
- * 12 bits cycleOffset, in host byte order.
+ * 12 bits cycleOffset, in host byte order.  Cf. the Cycle Time register
+ * per IEEE 1394 or Isochronous Cycle Timer register per OHCI-1394.
+ *
+ * In version 1 and 2 of the ABI, this ioctl returned unreliable (non-
+ * monotonic) @cycle_timer values on certain controllers.
  */
 struct fw_cdev_get_cycle_timer {
 	__u64 local_time;
@@ -559,6 +570,25 @@ struct fw_cdev_get_cycle_timer {
 };
 
 /**
+ * struct fw_cdev_get_cycle_timer2 - read cycle timer register
+ * @tv_sec:       system time, seconds
+ * @tv_nsec:      system time, sub-seconds part in nanoseconds
+ * @clk_id:       input parameter, clock from which to get the system time
+ * @cycle_timer:  Cycle Time register contents
+ *
+ * The %FW_CDEV_IOC_GET_CYCLE_TIMER2 works like
+ * %FW_CDEV_IOC_GET_CYCLE_TIMER but lets you choose a clock like with POSIX'
+ * clock_gettime function.  Supported @clk_id values are POSIX' %CLOCK_REALTIME
+ * and %CLOCK_MONOTONIC and Linux' %CLOCK_MONOTONIC_RAW.
+ */
+struct fw_cdev_get_cycle_timer2 {
+	__s64 tv_sec;
+	__s32 tv_nsec;
+	__s32 clk_id;
+	__u32 cycle_timer;
+};
+
+/**
  * struct fw_cdev_allocate_iso_resource - (De)allocate a channel or bandwidth
  * @closure:	Passed back to userspace in correponding iso resource events
  * @channels:	Isochronous channels of which one is to be (de)allocated
diff --git a/include/linux/firewire.h b/include/linux/firewire.h
index a0e67150a729..4bd94bf5e739 100644
--- a/include/linux/firewire.h
+++ b/include/linux/firewire.h
@@ -65,12 +65,13 @@
 #define CSR_DIRECTORY_ID	0x20
 
 struct fw_csr_iterator {
-	u32 *p;
-	u32 *end;
+	const u32 *p;
+	const u32 *end;
 };
 
-void fw_csr_iterator_init(struct fw_csr_iterator *ci, u32 *p);
+void fw_csr_iterator_init(struct fw_csr_iterator *ci, const u32 *p);
 int fw_csr_iterator_next(struct fw_csr_iterator *ci, int *key, int *value);
+int fw_csr_string(const u32 *directory, int key, char *buf, size_t size);
 
 extern struct bus_type fw_bus_type;
 
@@ -162,7 +163,7 @@ struct fw_device {
 	struct mutex client_list_mutex;
 	struct list_head client_list;
 
-	u32 *config_rom;
+	const u32 *config_rom;
 	size_t config_rom_length;
 	int config_rom_retries;
 	unsigned is_local:1;
@@ -204,7 +205,7 @@ int fw_device_enable_phys_dma(struct fw_device *device);
  */
 struct fw_unit {
 	struct device device;
-	u32 *directory;
+	const u32 *directory;
 	struct fw_attribute_group attribute_group;
 };
 
diff --git a/include/linux/firmware-map.h b/include/linux/firmware-map.h
index 875451f1373a..c6dcc1dfe781 100644
--- a/include/linux/firmware-map.h
+++ b/include/linux/firmware-map.h
@@ -24,17 +24,17 @@
  */
 #ifdef CONFIG_FIRMWARE_MEMMAP
 
-int firmware_map_add(u64 start, u64 end, const char *type);
 int firmware_map_add_early(u64 start, u64 end, const char *type);
+int firmware_map_add_hotplug(u64 start, u64 end, const char *type);
 
 #else /* CONFIG_FIRMWARE_MEMMAP */
 
-static inline int firmware_map_add(u64 start, u64 end, const char *type)
+static inline int firmware_map_add_early(u64 start, u64 end, const char *type)
 {
 	return 0;
 }
 
-static inline int firmware_map_add_early(u64 start, u64 end, const char *type)
+static inline int firmware_map_add_hotplug(u64 start, u64 end, const char *type)
 {
 	return 0;
 }
diff --git a/include/linux/freezer.h b/include/linux/freezer.h
index 5a361f85cfec..da7e52b099f3 100644
--- a/include/linux/freezer.h
+++ b/include/linux/freezer.h
@@ -64,9 +64,12 @@ extern bool freeze_task(struct task_struct *p, bool sig_only);
 extern void cancel_freezing(struct task_struct *p);
 
 #ifdef CONFIG_CGROUP_FREEZER
-extern int cgroup_frozen(struct task_struct *task);
+extern int cgroup_freezing_or_frozen(struct task_struct *task);
 #else /* !CONFIG_CGROUP_FREEZER */
-static inline int cgroup_frozen(struct task_struct *task) { return 0; }
+static inline int cgroup_freezing_or_frozen(struct task_struct *task)
+{
+	return 0;
+}
 #endif /* !CONFIG_CGROUP_FREEZER */
 
 /*
diff --git a/include/linux/fs.h b/include/linux/fs.h
index ebb1cd5bc241..10b8dedcd18b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -60,24 +60,24 @@ struct inodes_stat_t {
  */
 
 /* file is open for reading */
-#define FMODE_READ		((__force fmode_t)1)
+#define FMODE_READ		((__force fmode_t)0x1)
 /* file is open for writing */
-#define FMODE_WRITE		((__force fmode_t)2)
+#define FMODE_WRITE		((__force fmode_t)0x2)
 /* file is seekable */
-#define FMODE_LSEEK		((__force fmode_t)4)
+#define FMODE_LSEEK		((__force fmode_t)0x4)
 /* file can be accessed using pread */
-#define FMODE_PREAD		((__force fmode_t)8)
+#define FMODE_PREAD		((__force fmode_t)0x8)
 /* file can be accessed using pwrite */
-#define FMODE_PWRITE		((__force fmode_t)16)
+#define FMODE_PWRITE		((__force fmode_t)0x10)
 /* File is opened for execution with sys_execve / sys_uselib */
-#define FMODE_EXEC		((__force fmode_t)32)
+#define FMODE_EXEC		((__force fmode_t)0x20)
 /* File is opened with O_NDELAY (only set for block devices) */
-#define FMODE_NDELAY		((__force fmode_t)64)
+#define FMODE_NDELAY		((__force fmode_t)0x40)
 /* File is opened with O_EXCL (only set for block devices) */
-#define FMODE_EXCL		((__force fmode_t)128)
+#define FMODE_EXCL		((__force fmode_t)0x80)
 /* File is opened using open(.., 3, ..) and is writeable only for ioctls
    (specialy hack for floppy.c) */
-#define FMODE_WRITE_IOCTL	((__force fmode_t)256)
+#define FMODE_WRITE_IOCTL	((__force fmode_t)0x100)
 
 /*
  * Don't update ctime and mtime.
@@ -85,7 +85,10 @@ struct inodes_stat_t {
  * Currently a special hack for the XFS open_by_handle ioctl, but we'll
  * hopefully graduate it to a proper O_CMTIME flag supported by open(2) soon.
  */
-#define FMODE_NOCMTIME		((__force fmode_t)2048)
+#define FMODE_NOCMTIME		((__force fmode_t)0x800)
+
+/* Expect random access pattern */
+#define FMODE_RANDOM		((__force fmode_t)0x1000)
 
 /*
  * The below are the various read and write types that we support. Some of
@@ -1305,6 +1308,8 @@ extern int send_sigurg(struct fown_struct *fown);
 #define MNT_FORCE	0x00000001	/* Attempt to forcibily umount */
 #define MNT_DETACH	0x00000002	/* Just detach from the tree */
 #define MNT_EXPIRE	0x00000004	/* Mark for expiry */
+#define UMOUNT_NOFOLLOW	0x00000008	/* Don't follow symlink on umount */
+#define UMOUNT_UNUSED	0x80000000	/* Flag guaranteed to be unused */
 
 extern struct list_head super_blocks;
 extern spinlock_t sb_lock;
@@ -1314,9 +1319,9 @@ extern spinlock_t sb_lock;
 struct super_block {
 	struct list_head	s_list;		/* Keep this first */
 	dev_t			s_dev;		/* search index; _not_ kdev_t */
-	unsigned long		s_blocksize;
-	unsigned char		s_blocksize_bits;
 	unsigned char		s_dirt;
+	unsigned char		s_blocksize_bits;
+	unsigned long		s_blocksize;
 	loff_t			s_maxbytes;	/* Max file size */
 	struct file_system_type	*s_type;
 	const struct super_operations	*s_op;
@@ -1357,16 +1362,16 @@ struct super_block {
 	void 			*s_fs_info;	/* Filesystem private info */
 	fmode_t			s_mode;
 
+	/* Granularity of c/m/atime in ns.
+	   Cannot be worse than a second */
+	u32		   s_time_gran;
+
 	/*
 	 * The next field is for VFS *only*. No filesystems have any business
 	 * even looking at it. You had been warned.
 	 */
 	struct mutex s_vfs_rename_mutex;	/* Kludge */
 
-	/* Granularity of c/m/atime in ns.
-	   Cannot be worse than a second */
-	u32		   s_time_gran;
-
 	/*
 	 * Filesystem subtype.  If non-empty the filesystem type field
 	 * in /proc/mounts will be "type.subtype"
@@ -1555,7 +1560,7 @@ struct super_operations {
 	void (*destroy_inode)(struct inode *);
 
    	void (*dirty_inode) (struct inode *);
-	int (*write_inode) (struct inode *, int);
+	int (*write_inode) (struct inode *, struct writeback_control *wbc);
 	void (*drop_inode) (struct inode *);
 	void (*delete_inode) (struct inode *);
 	void (*put_super) (struct super_block *);
@@ -1794,7 +1799,8 @@ extern int may_umount(struct vfsmount *);
 extern long do_mount(char *, char *, char *, unsigned long, void *);
 extern struct vfsmount *collect_mounts(struct path *);
 extern void drop_collected_mounts(struct vfsmount *);
-
+extern int iterate_mounts(int (*)(struct vfsmount *, void *), void *,
+			  struct vfsmount *);
 extern int vfs_statfs(struct dentry *, struct kstatfs *);
 
 extern int current_umask(void);
@@ -2058,12 +2064,6 @@ extern int invalidate_inodes(struct super_block *);
 unsigned long invalidate_mapping_pages(struct address_space *mapping,
 					pgoff_t start, pgoff_t end);
 
-static inline unsigned long __deprecated
-invalidate_inode_pages(struct address_space *mapping)
-{
-	return invalidate_mapping_pages(mapping, 0, ~0UL);
-}
-
 static inline void invalidate_remote_inode(struct inode *inode)
 {
 	if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
@@ -2132,6 +2132,7 @@ extern struct file * open_exec(const char *);
  
 /* fs/dcache.c -- generic fs support functions */
 extern int is_subdir(struct dentry *, struct dentry *);
+extern int path_is_under(struct path *, struct path *);
 extern ino_t find_inode_number(struct dentry *, struct qstr *);
 
 #include <linux/err.h>
@@ -2340,8 +2341,6 @@ extern int simple_rename(struct inode *, struct dentry *, struct inode *, struct
 extern int simple_sync_file(struct file *, struct dentry *, int);
 extern int simple_empty(struct dentry *);
 extern int simple_readpage(struct file *file, struct page *page);
-extern int simple_prepare_write(struct file *file, struct page *page,
-			unsigned offset, unsigned to);
 extern int simple_write_begin(struct file *file, struct address_space *mapping,
 			loff_t pos, unsigned len, unsigned flags,
 			struct page **pagep, void **fsdata);
diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
index 7be0c6fbe880..c57db27ac861 100644
--- a/include/linux/fscache-cache.h
+++ b/include/linux/fscache-cache.h
@@ -105,7 +105,7 @@ struct fscache_operation {
 	/* operation releaser */
 	fscache_operation_release_t release;
 
-#ifdef CONFIG_SLOW_WORK_PROC
+#ifdef CONFIG_SLOW_WORK_DEBUG
 	const char *name;		/* operation name */
 	const char *state;		/* operation state */
 #define fscache_set_op_name(OP, N)	do { (OP)->name  = (N); } while(0)
diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h
index 936f9aa8bb97..df8fd9a3b214 100644
--- a/include/linux/fsnotify.h
+++ b/include/linux/fsnotify.h
@@ -65,7 +65,7 @@ static inline void fsnotify_link_count(struct inode *inode)
  * fsnotify_move - file old_name at old_dir was moved to new_name at new_dir
  */
 static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir,
-				 const char *old_name, const char *new_name,
+				 const char *old_name,
 				 int isdir, struct inode *target, struct dentry *moved)
 {
 	struct inode *source = moved->d_inode;
@@ -73,6 +73,7 @@ static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir,
 	u32 fs_cookie = fsnotify_get_cookie();
 	__u32 old_dir_mask = (FS_EVENT_ON_CHILD | FS_MOVED_FROM);
 	__u32 new_dir_mask = (FS_EVENT_ON_CHILD | FS_MOVED_TO);
+	const char *new_name = moved->d_name.name;
 
 	if (old_dir == new_dir)
 		old_dir_mask |= FS_DN_RENAME;
@@ -103,7 +104,7 @@ static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir,
 		inotify_inode_queue_event(source, IN_MOVE_SELF, 0, NULL, NULL);
 		fsnotify(source, FS_MOVE_SELF, moved->d_inode, FSNOTIFY_EVENT_INODE, NULL, 0);
 	}
-	audit_inode_child(new_name, moved, new_dir);
+	audit_inode_child(moved, new_dir);
 }
 
 /*
@@ -146,7 +147,7 @@ static inline void fsnotify_create(struct inode *inode, struct dentry *dentry)
 {
 	inotify_inode_queue_event(inode, IN_CREATE, 0, dentry->d_name.name,
 				  dentry->d_inode);
-	audit_inode_child(dentry->d_name.name, dentry, inode);
+	audit_inode_child(dentry, inode);
 
 	fsnotify(inode, FS_CREATE, dentry->d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0);
 }
@@ -161,7 +162,7 @@ static inline void fsnotify_link(struct inode *dir, struct inode *inode, struct
 	inotify_inode_queue_event(dir, IN_CREATE, 0, new_dentry->d_name.name,
 				  inode);
 	fsnotify_link_count(inode);
-	audit_inode_child(new_dentry->d_name.name, new_dentry, dir);
+	audit_inode_child(new_dentry, dir);
 
 	fsnotify(dir, FS_CREATE, inode, FSNOTIFY_EVENT_INODE, new_dentry->d_name.name, 0);
 }
@@ -175,7 +176,7 @@ static inline void fsnotify_mkdir(struct inode *inode, struct dentry *dentry)
 	struct inode *d_inode = dentry->d_inode;
 
 	inotify_inode_queue_event(inode, mask, 0, dentry->d_name.name, d_inode);
-	audit_inode_child(dentry->d_name.name, dentry, inode);
+	audit_inode_child(dentry, inode);
 
 	fsnotify(inode, mask, d_inode, FSNOTIFY_EVENT_INODE, dentry->d_name.name, 0);
 }
diff --git a/include/linux/ftrace_event.h b/include/linux/ftrace_event.h
index 6b7c444ab8f6..c0f4b364c711 100644
--- a/include/linux/ftrace_event.h
+++ b/include/linux/ftrace_event.h
@@ -131,12 +131,12 @@ struct ftrace_event_call {
 	void			*mod;
 	void			*data;
 
-	int			profile_count;
-	int			(*profile_enable)(struct ftrace_event_call *);
-	void			(*profile_disable)(struct ftrace_event_call *);
+	int			perf_refcount;
+	int			(*perf_event_enable)(struct ftrace_event_call *);
+	void			(*perf_event_disable)(struct ftrace_event_call *);
 };
 
-#define FTRACE_MAX_PROFILE_SIZE	2048
+#define PERF_MAX_TRACE_SIZE	2048
 
 #define MAX_FILTER_PRED		32
 #define MAX_FILTER_STR_VAL	256	/* Should handle KSYM_SYMBOL_LEN */
@@ -187,22 +187,25 @@ do {									\
 
 #ifdef CONFIG_PERF_EVENTS
 struct perf_event;
-extern int ftrace_profile_enable(int event_id);
-extern void ftrace_profile_disable(int event_id);
+
+DECLARE_PER_CPU(struct pt_regs, perf_trace_regs);
+
+extern int perf_trace_enable(int event_id);
+extern void perf_trace_disable(int event_id);
 extern int ftrace_profile_set_filter(struct perf_event *event, int event_id,
 				     char *filter_str);
 extern void ftrace_profile_free_filter(struct perf_event *event);
 extern void *
-ftrace_perf_buf_prepare(int size, unsigned short type, int *rctxp,
+perf_trace_buf_prepare(int size, unsigned short type, int *rctxp,
 			 unsigned long *irq_flags);
 
 static inline void
-ftrace_perf_buf_submit(void *raw_data, int size, int rctx, u64 addr,
-		       u64 count, unsigned long irq_flags)
+perf_trace_buf_submit(void *raw_data, int size, int rctx, u64 addr,
+		       u64 count, unsigned long irq_flags, struct pt_regs *regs)
 {
 	struct trace_entry *entry = raw_data;
 
-	perf_tp_event(entry->type, addr, count, raw_data, size);
+	perf_tp_event(entry->type, addr, count, raw_data, size, regs);
 	perf_swevent_put_recursion_context(rctx);
 	local_irq_restore(irq_flags);
 }
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 9717081c75ad..56b50514ab25 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -101,7 +101,7 @@ struct hd_struct {
 	unsigned long stamp;
 	int in_flight[2];
 #ifdef	CONFIG_SMP
-	struct disk_stats *dkstats;
+	struct disk_stats __percpu *dkstats;
 #else
 	struct disk_stats dkstats;
 #endif
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 557bdad320b6..4c6d41333f98 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -30,7 +30,8 @@ struct vm_area_struct;
  * _might_ fail.  This depends upon the particular VM implementation.
  *
  * __GFP_NOFAIL: The VM implementation _must_ retry infinitely: the caller
- * cannot handle allocation failures.
+ * cannot handle allocation failures.  This modifier is deprecated and no new
+ * users should be added.
  *
  * __GFP_NORETRY: The VM implementation must not retry indefinitely.
  *
@@ -83,6 +84,7 @@ struct vm_area_struct;
 #define GFP_HIGHUSER_MOVABLE	(__GFP_WAIT | __GFP_IO | __GFP_FS | \
 				 __GFP_HARDWALL | __GFP_HIGHMEM | \
 				 __GFP_MOVABLE)
+#define GFP_IOFS	(__GFP_IO | __GFP_FS)
 
 #ifdef CONFIG_NUMA
 #define GFP_THISNODE	(__GFP_THISNODE | __GFP_NOWARN | __GFP_NORETRY)
@@ -325,7 +327,7 @@ void free_pages_exact(void *virt, size_t size);
 
 extern void __free_pages(struct page *page, unsigned int order);
 extern void free_pages(unsigned long addr, unsigned int order);
-extern void free_hot_page(struct page *page);
+extern void free_hot_cold_page(struct page *page, int cold);
 
 #define __free_page(page) __free_pages((page), 0)
 #define free_page(addr) free_pages((addr),0)
@@ -337,9 +339,7 @@ void drain_local_pages(void *dummy);
 
 extern gfp_t gfp_allowed_mask;
 
-static inline void set_gfp_allowed_mask(gfp_t mask)
-{
-	gfp_allowed_mask = mask;
-}
+extern void set_gfp_allowed_mask(gfp_t mask);
+extern gfp_t clear_gfp_allowed_mask(gfp_t mask);
 
 #endif /* __LINUX_GFP_H */
diff --git a/include/linux/gfs2_ondisk.h b/include/linux/gfs2_ondisk.h
index 81f90a59cda6..4f4462974c14 100644
--- a/include/linux/gfs2_ondisk.h
+++ b/include/linux/gfs2_ondisk.h
@@ -180,33 +180,6 @@ struct gfs2_rgrp {
 };
 
 /*
- * quota linked list: user quotas and group quotas form two separate 
- * singly linked lists. ll_next stores uids or gids of next quotas in the 
- * linked list.
-
-Given the uid/gid, how to calculate the quota file offsets for the corresponding
-gfs2_quota structures on disk:
-
-for user quotas, given uid,
-offset = uid * sizeof(struct gfs2_quota);
-
-for group quotas, given gid,
-offset = (gid * sizeof(struct gfs2_quota)) + sizeof(struct gfs2_quota);
-
-
-  uid:0   gid:0       uid:12   gid:12      uid:17   gid:17     uid:5142 gid:5142
-+-------+-------+    +-------+-------+    +-------+- - - -+    +- - - -+-------+
-| valid | valid | :: | valid | valid | :: | valid | inval | :: | inval | valid |
-+-------+-------+    +-------+-------+    +-------+- - - -+    +- - - -+-------+
-next:12   next:12    next:17 next:5142    next:NULL                    next:NULL
-    |       |            |       |            |<-- user quota list         |
-     \______|___________/ \______|___________/         group quota list -->|
-            |                    |                                         |
-             \__________________/ \_______________________________________/
-
-*/
-
-/*
  * quota structure
  */
 
@@ -214,8 +187,7 @@ struct gfs2_quota {
 	__be64 qu_limit;
 	__be64 qu_warn;
 	__be64 qu_value;
-	__be32 qu_ll_next; /* location of next quota in list */
-	__u8 qu_reserved[60];
+	__u8 qu_reserved[64];
 };
 
 /*
diff --git a/include/linux/hil.h b/include/linux/hil.h
index 13352d7d0caf..523785a9de70 100644
--- a/include/linux/hil.h
+++ b/include/linux/hil.h
@@ -168,14 +168,14 @@ enum hil_command {
 	HIL_CMD_PR6	= 0x45,	/* Prompt6 */
 	HIL_CMD_PR7	= 0x46,	/* Prompt7 */
 	HIL_CMD_PRM	= 0x47,	/* Prompt (General Purpose) */
-	HIL_CMD_AK1	= 0x48,	/* Acknowlege1 */  
-	HIL_CMD_AK2	= 0x49,	/* Acknowlege2 */
-	HIL_CMD_AK3	= 0x4a,	/* Acknowlege3 */
-	HIL_CMD_AK4	= 0x4b,	/* Acknowlege4 */
-	HIL_CMD_AK5	= 0x4c,	/* Acknowlege5 */
-	HIL_CMD_AK6	= 0x4d,	/* Acknowlege6 */
-	HIL_CMD_AK7	= 0x4e,	/* Acknowlege7 */
-	HIL_CMD_ACK	= 0x4f,	/* Acknowlege (General Purpose) */
+	HIL_CMD_AK1	= 0x48,	/* Acknowledge1 */  
+	HIL_CMD_AK2	= 0x49,	/* Acknowledge2 */
+	HIL_CMD_AK3	= 0x4a,	/* Acknowledge3 */
+	HIL_CMD_AK4	= 0x4b,	/* Acknowledge4 */
+	HIL_CMD_AK5	= 0x4c,	/* Acknowledge5 */
+	HIL_CMD_AK6	= 0x4d,	/* Acknowledge6 */
+	HIL_CMD_AK7	= 0x4e,	/* Acknowledge7 */
+	HIL_CMD_ACK	= 0x4f,	/* Acknowledge (General Purpose) */
 
 	/* 0x50 to 0x78 reserved for future use  */
 	/* 0x80 to 0xEF device-specific commands */
diff --git a/include/linux/htcpld.h b/include/linux/htcpld.h
new file mode 100644
index 000000000000..ab3f6cb4dddc
--- /dev/null
+++ b/include/linux/htcpld.h
@@ -0,0 +1,24 @@
+#ifndef __LINUX_HTCPLD_H
+#define __LINUX_HTCPLD_H
+
+struct htcpld_chip_platform_data {
+	unsigned int addr;
+	unsigned int reset;
+	unsigned int num_gpios;
+	unsigned int gpio_out_base;
+	unsigned int gpio_in_base;
+	unsigned int irq_base;
+	unsigned int num_irqs;
+};
+
+struct htcpld_core_platform_data {
+	unsigned int                      int_reset_gpio_hi;
+	unsigned int                      int_reset_gpio_lo;
+	unsigned int                      i2c_adapter_id;
+
+	struct htcpld_chip_platform_data  *chip;
+	unsigned int                      num_chip;
+};
+
+#endif /* __LINUX_HTCPLD_H */
+
diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h
index 5977b724f7c6..c70d27af03f9 100644
--- a/include/linux/hw_breakpoint.h
+++ b/include/linux/hw_breakpoint.h
@@ -66,14 +66,14 @@ register_wide_hw_breakpoint_cpu(struct perf_event_attr *attr,
 				perf_overflow_handler_t	triggered,
 				int cpu);
 
-extern struct perf_event **
+extern struct perf_event * __percpu *
 register_wide_hw_breakpoint(struct perf_event_attr *attr,
 			    perf_overflow_handler_t triggered);
 
 extern int register_perf_hw_breakpoint(struct perf_event *bp);
 extern int __register_perf_hw_breakpoint(struct perf_event *bp);
 extern void unregister_hw_breakpoint(struct perf_event *bp);
-extern void unregister_wide_hw_breakpoint(struct perf_event **cpu_events);
+extern void unregister_wide_hw_breakpoint(struct perf_event * __percpu *cpu_events);
 
 extern int dbg_reserve_bp_slot(struct perf_event *bp);
 extern int dbg_release_bp_slot(struct perf_event *bp);
@@ -100,7 +100,7 @@ static inline struct perf_event *
 register_wide_hw_breakpoint_cpu(struct perf_event_attr *attr,
 				perf_overflow_handler_t	 triggered,
 				int cpu)		{ return NULL; }
-static inline struct perf_event **
+static inline struct perf_event * __percpu *
 register_wide_hw_breakpoint(struct perf_event_attr *attr,
 			    perf_overflow_handler_t triggered)	{ return NULL; }
 static inline int
@@ -109,7 +109,7 @@ static inline int
 __register_perf_hw_breakpoint(struct perf_event *bp) 	{ return -ENOSYS; }
 static inline void unregister_hw_breakpoint(struct perf_event *bp)	{ }
 static inline void
-unregister_wide_hw_breakpoint(struct perf_event **cpu_events)		{ }
+unregister_wide_hw_breakpoint(struct perf_event * __percpu *cpu_events)	{ }
 static inline int
 reserve_bp_slot(struct perf_event *bp)			{return -ENOSYS; }
 static inline void release_bp_slot(struct perf_event *bp) 		{ }
diff --git a/include/linux/i2c-algo-bit.h b/include/linux/i2c-algo-bit.h
index 111334f5b922..4f98148c11c3 100644
--- a/include/linux/i2c-algo-bit.h
+++ b/include/linux/i2c-algo-bit.h
@@ -36,6 +36,8 @@ struct i2c_algo_bit_data {
 	void (*setscl) (void *data, int state);
 	int  (*getsda) (void *data);
 	int  (*getscl) (void *data);
+	int  (*pre_xfer)  (struct i2c_adapter *);
+	void (*post_xfer) (struct i2c_adapter *);
 
 	/* local settings */
 	int udelay;		/* half clock cycle time in us,
diff --git a/include/linux/i2c-smbus.h b/include/linux/i2c-smbus.h
new file mode 100644
index 000000000000..63f57a8c8b31
--- /dev/null
+++ b/include/linux/i2c-smbus.h
@@ -0,0 +1,50 @@
+/*
+ * i2c-smbus.h - SMBus extensions to the I2C protocol
+ *
+ * Copyright (C) 2010 Jean Delvare <khali@linux-fr.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _LINUX_I2C_SMBUS_H
+#define _LINUX_I2C_SMBUS_H
+
+#include <linux/i2c.h>
+
+
+/**
+ * i2c_smbus_alert_setup - platform data for the smbus_alert i2c client
+ * @alert_edge_triggered: whether the alert interrupt is edge (1) or level (0)
+ *		triggered
+ * @irq: IRQ number, if the smbus_alert driver should take care of interrupt
+ *		handling
+ *
+ * If irq is not specified, the smbus_alert driver doesn't take care of
+ * interrupt handling. In that case it is up to the I2C bus driver to either
+ * handle the interrupts or to poll for alerts.
+ *
+ * If irq is specified then it it crucial that alert_edge_triggered is
+ * properly set.
+ */
+struct i2c_smbus_alert_setup {
+	unsigned int		alert_edge_triggered:1;
+	int			irq;
+};
+
+struct i2c_client *i2c_setup_smbus_alert(struct i2c_adapter *adapter,
+					 struct i2c_smbus_alert_setup *setup);
+int i2c_handle_smbus_alert(struct i2c_client *ara);
+
+#endif /* _LINUX_I2C_SMBUS_H */
diff --git a/include/linux/i2c-xiic.h b/include/linux/i2c-xiic.h
new file mode 100644
index 000000000000..4f9f2256a97e
--- /dev/null
+++ b/include/linux/i2c-xiic.h
@@ -0,0 +1,43 @@
+/*
+ * i2c-xiic.h
+ * Copyright (c) 2009 Intel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* Supports:
+ * Xilinx IIC
+ */
+
+#ifndef _LINUX_I2C_XIIC_H
+#define _LINUX_I2C_XIIC_H
+
+/**
+ * struct xiic_i2c_platform_data - Platform data of the Xilinx I2C driver
+ * @num_devices:	Number of devices that shall be added when the driver
+ *			is probed.
+ * @devices:		The actuall devices to add.
+ *
+ * This purpose of this platform data struct is to be able to provide a number
+ * of devices that should be added to the I2C bus. The reason is that sometimes
+ * the I2C board info is not enough, a new PCI board can for instance be
+ * plugged into a standard PC, and the bus number might be unknown at
+ * early init time.
+ */
+struct xiic_i2c_platform_data {
+	u8				num_devices;
+	struct i2c_board_info const	*devices;
+};
+
+#endif /* _LINUX_I2C_XIIC_H */
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 02fc617782ef..0a5da639b327 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -53,6 +53,7 @@ struct i2c_board_info;
  * on a bus (or read from them). Apart from two basic transfer functions to
  * transmit one message at a time, a more complex version can be used to
  * transmit an arbitrary number of messages without interruption.
+ * @count must be be less than 64k since msg.len is u16.
  */
 extern int i2c_master_send(struct i2c_client *client, const char *buf,
 			   int count);
@@ -152,6 +153,13 @@ struct i2c_driver {
 	int (*suspend)(struct i2c_client *, pm_message_t mesg);
 	int (*resume)(struct i2c_client *);
 
+	/* Alert callback, for example for the SMBus alert protocol.
+	 * The format and meaning of the data value depends on the protocol.
+	 * For the SMBus alert protocol, there is a single bit of data passed
+	 * as the alert response's low bit ("event flag").
+	 */
+	void (*alert)(struct i2c_client *, unsigned int data);
+
 	/* a ioctl like command that can be used to perform specific functions
 	 * with the device.
 	 */
diff --git a/include/linux/i2c/pca953x.h b/include/linux/i2c/pca953x.h
index 81736d6a8db7..d5c5a60c8a0b 100644
--- a/include/linux/i2c/pca953x.h
+++ b/include/linux/i2c/pca953x.h
@@ -1,3 +1,9 @@
+#ifndef _LINUX_PCA953X_H
+#define _LINUX_PCA953X_H
+
+#include <linux/types.h>
+#include <linux/i2c.h>
+
 /* platform data for the PCA9539 16-bit I/O expander driver */
 
 struct pca953x_platform_data {
@@ -7,6 +13,9 @@ struct pca953x_platform_data {
 	/* initial polarity inversion setting */
 	uint16_t	invert;
 
+	/* interrupt base */
+	int		irq_base;
+
 	void		*context;	/* param to setup/teardown */
 
 	int		(*setup)(struct i2c_client *client,
@@ -17,3 +26,5 @@ struct pca953x_platform_data {
 				void *context);
 	char		**names;
 };
+
+#endif /* _LINUX_PCA953X_H */
diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h
index 7897f3096560..fb6784e86d5f 100644
--- a/include/linux/i2c/twl.h
+++ b/include/linux/i2c/twl.h
@@ -80,6 +80,11 @@
 #define TWL_MODULE_PM_MASTER	TWL4030_MODULE_PM_MASTER
 #define TWL_MODULE_PM_RECEIVER	TWL4030_MODULE_PM_RECEIVER
 #define TWL_MODULE_RTC		TWL4030_MODULE_RTC
+#define TWL_MODULE_PWM		TWL4030_MODULE_PWM0
+
+#define TWL6030_MODULE_ID0	0x0D
+#define TWL6030_MODULE_ID1	0x0E
+#define TWL6030_MODULE_ID2	0x0F
 
 #define GPIO_INTR_OFFSET	0
 #define KEYPAD_INTR_OFFSET	1
@@ -239,6 +244,21 @@ int twl6030_interrupt_mask(u8 bit_mask, u8 offset);
 
 /*----------------------------------------------------------------------*/
 
+/*Interface Bit Register (INTBR) offsets
+ *(Use TWL_4030_MODULE_INTBR)
+ */
+
+#define REG_GPPUPDCTR1			0x0F
+
+/*I2C1 and I2C4(SR) SDA/SCL pull-up control bits */
+
+#define I2C_SCL_CTRL_PU			BIT(0)
+#define I2C_SDA_CTRL_PU			BIT(2)
+#define SR_I2C_SCL_CTRL_PU		BIT(4)
+#define SR_I2C_SDA_CTRL_PU		BIT(6)
+
+/*----------------------------------------------------------------------*/
+
 /*
  * Keypad register offsets (use TWL4030_MODULE_KEYPAD)
  * ... SIH/interrupt only
@@ -530,6 +550,7 @@ struct twl4030_power_data {
 };
 
 extern void twl4030_power_init(struct twl4030_power_data *triton2_scripts);
+extern int twl4030_remove_script(u8 flags);
 
 struct twl4030_codec_audio_data {
 	unsigned int	audio_mclk;
@@ -605,12 +626,7 @@ int twl4030_sih_setup(int module);
 #define TWL4030_VAUX3_DEV_GRP		0x1F
 #define TWL4030_VAUX3_DEDICATED		0x22
 
-#if defined(CONFIG_TWL4030_BCI_BATTERY) || \
-	defined(CONFIG_TWL4030_BCI_BATTERY_MODULE)
-	extern int twl4030charger_usb_en(int enable);
-#else
-	static inline int twl4030charger_usb_en(int enable) { return 0; }
-#endif
+static inline int twl4030charger_usb_en(int enable) { return 0; }
 
 /*----------------------------------------------------------------------*/
 
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 0ec612959042..97e6ab435184 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -515,6 +515,8 @@ struct ide_drive_s {
         u8	init_speed;	/* transfer rate set at boot */
         u8	current_speed;	/* current transfer rate set */
 	u8	desired_speed;	/* desired transfer rate set */
+	u8	pio_mode;	/* for ->set_pio_mode _only_ */
+	u8	dma_mode;	/* for ->dma_pio_mode _only_ */
         u8	dn;		/* now wide spread use */
 	u8	acoustic;	/* acoustic management */
 	u8	media;		/* disk, cdrom, tape, floppy, ... */
@@ -622,8 +624,8 @@ extern const struct ide_tp_ops default_tp_ops;
  */
 struct ide_port_ops {
 	void	(*init_dev)(ide_drive_t *);
-	void	(*set_pio_mode)(ide_drive_t *, const u8);
-	void	(*set_dma_mode)(ide_drive_t *, const u8);
+	void	(*set_pio_mode)(struct hwif_s *, ide_drive_t *);
+	void	(*set_dma_mode)(struct hwif_s *, ide_drive_t *);
 	int	(*reset_poll)(ide_drive_t *);
 	void	(*pre_reset)(ide_drive_t *);
 	void	(*resetproc)(ide_drive_t *);
@@ -1494,7 +1496,6 @@ int ide_timing_compute(ide_drive_t *, u8, struct ide_timing *, int, int);
 #ifdef CONFIG_IDE_XFER_MODE
 int ide_scan_pio_blacklist(char *);
 const char *ide_xfer_verbose(u8);
-u8 ide_get_best_pio_mode(ide_drive_t *, u8, u8);
 int ide_pio_need_iordy(ide_drive_t *, const u8);
 int ide_set_pio_mode(ide_drive_t *, u8);
 int ide_set_dma_mode(ide_drive_t *, u8);
diff --git a/include/linux/if_tunnel.h b/include/linux/if_tunnel.h
index 1822d635be6b..16b92d008bed 100644
--- a/include/linux/if_tunnel.h
+++ b/include/linux/if_tunnel.h
@@ -2,6 +2,7 @@
 #define _IF_TUNNEL_H_
 
 #include <linux/types.h>
+#include <asm/byteorder.h>
 
 #ifdef __KERNEL__
 #include <linux/ip.h>
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index abec69b63d7e..b1ed1cd8e2a8 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -32,14 +32,6 @@ extern struct fs_struct init_fs;
 }
 
 extern struct nsproxy init_nsproxy;
-#define INIT_NSPROXY(nsproxy) {						\
-	.pid_ns		= &init_pid_ns,					\
-	.count		= ATOMIC_INIT(1),				\
-	.uts_ns		= &init_uts_ns,					\
-	.mnt_ns		= NULL,						\
-	INIT_NET_NS(net_ns)                                             \
-	INIT_IPC_NS(ipc_ns)						\
-}
 
 #define INIT_SIGHAND(sighand) {						\
 	.count		= ATOMIC_INIT(1), 				\
diff --git a/include/linux/input.h b/include/linux/input.h
index dc24effb6d0e..7ed2251b33f1 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -58,10 +58,10 @@ struct input_absinfo {
 
 #define EVIOCGVERSION		_IOR('E', 0x01, int)			/* get driver version */
 #define EVIOCGID		_IOR('E', 0x02, struct input_id)	/* get device ID */
-#define EVIOCGREP		_IOR('E', 0x03, int[2])			/* get repeat settings */
-#define EVIOCSREP		_IOW('E', 0x03, int[2])			/* set repeat settings */
-#define EVIOCGKEYCODE		_IOR('E', 0x04, int[2])			/* get keycode */
-#define EVIOCSKEYCODE		_IOW('E', 0x04, int[2])			/* set keycode */
+#define EVIOCGREP		_IOR('E', 0x03, unsigned int[2])	/* get repeat settings */
+#define EVIOCSREP		_IOW('E', 0x03, unsigned int[2])	/* set repeat settings */
+#define EVIOCGKEYCODE		_IOR('E', 0x04, unsigned int[2])	/* get keycode */
+#define EVIOCSKEYCODE		_IOW('E', 0x04, unsigned int[2])	/* set keycode */
 
 #define EVIOCGNAME(len)		_IOC(_IOC_READ, 'E', 0x06, len)		/* get device name */
 #define EVIOCGPHYS(len)		_IOC(_IOC_READ, 'E', 0x07, len)		/* get physical location */
@@ -1142,8 +1142,10 @@ struct input_dev {
 	unsigned int keycodemax;
 	unsigned int keycodesize;
 	void *keycode;
-	int (*setkeycode)(struct input_dev *dev, int scancode, int keycode);
-	int (*getkeycode)(struct input_dev *dev, int scancode, int *keycode);
+	int (*setkeycode)(struct input_dev *dev,
+			  unsigned int scancode, unsigned int keycode);
+	int (*getkeycode)(struct input_dev *dev,
+			  unsigned int scancode, unsigned int *keycode);
 
 	struct ff_device *ff;
 
@@ -1415,8 +1417,10 @@ static inline void input_set_abs_params(struct input_dev *dev, int axis, int min
 	dev->absbit[BIT_WORD(axis)] |= BIT_MASK(axis);
 }
 
-int input_get_keycode(struct input_dev *dev, int scancode, int *keycode);
-int input_set_keycode(struct input_dev *dev, int scancode, int keycode);
+int input_get_keycode(struct input_dev *dev,
+		      unsigned int scancode, unsigned int *keycode);
+int input_set_keycode(struct input_dev *dev,
+		      unsigned int scancode, unsigned int keycode);
 
 extern struct class input_class;
 
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index 1195a806fe0c..a0bb301afac0 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -42,7 +42,7 @@ struct io_context {
 	unsigned short ioprio;
 	unsigned short ioprio_changed;
 
-#ifdef CONFIG_BLK_CGROUP
+#if defined(CONFIG_BLK_CGROUP) || defined(CONFIG_BLK_CGROUP_MODULE)
 	unsigned short cgroup_changed;
 #endif
 
diff --git a/include/linux/ioport.h b/include/linux/ioport.h
index dda98410d588..26fad187d661 100644
--- a/include/linux/ioport.h
+++ b/include/linux/ioport.h
@@ -34,22 +34,24 @@ struct resource_list {
  */
 #define IORESOURCE_BITS		0x000000ff	/* Bus-specific bits */
 
-#define IORESOURCE_TYPE_BITS	0x00000f00	/* Resource type */
+#define IORESOURCE_TYPE_BITS	0x00001f00	/* Resource type */
 #define IORESOURCE_IO		0x00000100
 #define IORESOURCE_MEM		0x00000200
 #define IORESOURCE_IRQ		0x00000400
 #define IORESOURCE_DMA		0x00000800
+#define IORESOURCE_BUS		0x00001000
 
-#define IORESOURCE_PREFETCH	0x00001000	/* No side effects */
-#define IORESOURCE_READONLY	0x00002000
-#define IORESOURCE_CACHEABLE	0x00004000
-#define IORESOURCE_RANGELENGTH	0x00008000
-#define IORESOURCE_SHADOWABLE	0x00010000
+#define IORESOURCE_PREFETCH	0x00002000	/* No side effects */
+#define IORESOURCE_READONLY	0x00004000
+#define IORESOURCE_CACHEABLE	0x00008000
+#define IORESOURCE_RANGELENGTH	0x00010000
+#define IORESOURCE_SHADOWABLE	0x00020000
 
-#define IORESOURCE_SIZEALIGN	0x00020000	/* size indicates alignment */
-#define IORESOURCE_STARTALIGN	0x00040000	/* start field is alignment */
+#define IORESOURCE_SIZEALIGN	0x00040000	/* size indicates alignment */
+#define IORESOURCE_STARTALIGN	0x00080000	/* start field is alignment */
 
 #define IORESOURCE_MEM_64	0x00100000
+#define IORESOURCE_WINDOW	0x00200000	/* forwarded by bridge */
 
 #define IORESOURCE_EXCLUSIVE	0x08000000	/* Userland may not map this resource */
 #define IORESOURCE_DISABLED	0x10000000
@@ -110,12 +112,14 @@ struct resource_list {
 extern struct resource ioport_resource;
 extern struct resource iomem_resource;
 
+extern struct resource *request_resource_conflict(struct resource *root, struct resource *new);
 extern int request_resource(struct resource *root, struct resource *new);
 extern int release_resource(struct resource *new);
 void release_child_resources(struct resource *new);
 extern void reserve_region_with_split(struct resource *root,
 			     resource_size_t start, resource_size_t end,
 			     const char *name);
+extern struct resource *insert_resource_conflict(struct resource *parent, struct resource *new);
 extern int insert_resource(struct resource *parent, struct resource *new);
 extern void insert_resource_expand_to_fit(struct resource *root, struct resource *new);
 extern int allocate_resource(struct resource *root, struct resource *new,
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index 07baa38bce37..51952989ad42 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -62,11 +62,6 @@ extern struct ipc_namespace init_ipc_ns;
 extern atomic_t nr_ipc_ns;
 
 extern spinlock_t mq_lock;
-#if defined(CONFIG_POSIX_MQUEUE) || defined(CONFIG_SYSVIPC)
-#define INIT_IPC_NS(ns)		.ns		= &init_ipc_ns,
-#else
-#define INIT_IPC_NS(ns)
-#endif
 
 #ifdef CONFIG_SYSVIPC
 extern int register_ipcns_notifier(struct ipc_namespace *);
diff --git a/include/linux/ipmi_smi.h b/include/linux/ipmi_smi.h
index f7c9c75a2775..4b48318ac542 100644
--- a/include/linux/ipmi_smi.h
+++ b/include/linux/ipmi_smi.h
@@ -39,7 +39,6 @@
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
-#include <linux/ipmi_smi.h>
 
 /* This files describes the interface for IPMI system management interface
    drivers to bind into the IPMI message handler. */
diff --git a/include/linux/irq.h b/include/linux/irq.h
index d13492df57a1..707ab122e2e6 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -400,7 +400,9 @@ static inline int irq_has_action(unsigned int irq)
 
 /* Dynamic irq helper functions */
 extern void dynamic_irq_init(unsigned int irq);
+void dynamic_irq_init_keep_chip_data(unsigned int irq);
 extern void dynamic_irq_cleanup(unsigned int irq);
+void dynamic_irq_cleanup_keep_chip_data(unsigned int irq);
 
 /* Set/get chip/data for an IRQ: */
 extern int set_irq_chip(unsigned int irq, struct irq_chip *chip);
diff --git a/include/linux/jbd.h b/include/linux/jbd.h
index 331530cd3cc6..f3aa59cb675d 100644
--- a/include/linux/jbd.h
+++ b/include/linux/jbd.h
@@ -246,19 +246,8 @@ typedef struct journal_superblock_s
 
 #define J_ASSERT(assert)	BUG_ON(!(assert))
 
-#if defined(CONFIG_BUFFER_DEBUG)
-void buffer_assertion_failure(struct buffer_head *bh);
-#define J_ASSERT_BH(bh, expr)						\
-	do {								\
-		if (!(expr))						\
-			buffer_assertion_failure(bh);			\
-		J_ASSERT(expr);						\
-	} while (0)
-#define J_ASSERT_JH(jh, expr)	J_ASSERT_BH(jh2bh(jh), expr)
-#else
 #define J_ASSERT_BH(bh, expr)	J_ASSERT(expr)
 #define J_ASSERT_JH(jh, expr)	J_ASSERT(expr)
-#endif
 
 #if defined(JBD_PARANOID_IOFAIL)
 #define J_EXPECT(expr, why...)		J_ASSERT(expr)
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 638ce4554c76..1ec876358180 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -69,15 +69,8 @@ extern u8 jbd2_journal_enable_debug;
 #define jbd_debug(f, a...)	/**/
 #endif
 
-static inline void *jbd2_alloc(size_t size, gfp_t flags)
-{
-	return (void *)__get_free_pages(flags, get_order(size));
-}
-
-static inline void jbd2_free(void *ptr, size_t size)
-{
-	free_pages((unsigned long)ptr, get_order(size));
-};
+extern void *jbd2_alloc(size_t size, gfp_t flags);
+extern void jbd2_free(void *ptr, size_t size);
 
 #define JBD2_MIN_JOURNAL_BLOCKS 1024
 
@@ -284,19 +277,8 @@ typedef struct journal_superblock_s
 
 #define J_ASSERT(assert)	BUG_ON(!(assert))
 
-#if defined(CONFIG_BUFFER_DEBUG)
-void buffer_assertion_failure(struct buffer_head *bh);
-#define J_ASSERT_BH(bh, expr)						\
-	do {								\
-		if (!(expr))						\
-			buffer_assertion_failure(bh);			\
-		J_ASSERT(expr);						\
-	} while (0)
-#define J_ASSERT_JH(jh, expr)	J_ASSERT_BH(jh2bh(jh), expr)
-#else
 #define J_ASSERT_BH(bh, expr)	J_ASSERT(expr)
 #define J_ASSERT_JH(jh, expr)	J_ASSERT(expr)
-#endif
 
 #if defined(JBD2_PARANOID_IOFAIL)
 #define J_EXPECT(expr, why...)		J_ASSERT(expr)
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 1221d2331a6d..7f0707463360 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -44,6 +44,16 @@ extern const char linux_proc_banner[];
 
 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]) + __must_be_array(arr))
 
+/*
+ * This looks more complex than it should be. But we need to
+ * get the type for the ~ right in round_down (it needs to be
+ * as wide as the result!), and we want to evaluate the macro
+ * arguments just once each.
+ */
+#define __round_mask(x, y) ((__typeof__(x))((y)-1))
+#define round_up(x, y) ((((x)-1) | __round_mask(x, y))+1)
+#define round_down(x, y) ((x) & ~__round_mask(x, y))
+
 #define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
 #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
diff --git a/include/linux/kexec.h b/include/linux/kexec.h
index c356b6914ffd..03e8e8dbc577 100644
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -199,7 +199,7 @@ extern struct kimage *kexec_crash_image;
  */
 extern struct resource crashk_res;
 typedef u32 note_buf_t[KEXEC_NOTE_BYTES/4];
-extern note_buf_t *crash_notes;
+extern note_buf_t __percpu *crash_notes;
 extern u32 vmcoreinfo_note[VMCOREINFO_NOTE_SIZE/4];
 extern size_t vmcoreinfo_size;
 extern size_t vmcoreinfo_max_size;
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index bc0fc795bd35..ece0b1c33816 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -102,8 +102,6 @@ union { \
 	unsigned char name##kfifo_buffer[size]; \
 	struct kfifo name = __kfifo_initializer(size, name##kfifo_buffer)
 
-#undef __kfifo_initializer
-
 extern void kfifo_init(struct kfifo *fifo, void *buffer,
 			unsigned int size);
 extern __must_check int kfifo_alloc(struct kfifo *fifo, unsigned int size,
diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index 384ca8bbf1ac..facb27fe7de0 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -27,6 +27,7 @@
 #define KMOD_PATH_LEN 256
 
 #ifdef CONFIG_MODULES
+extern char modprobe_path[]; /* for sysctl */
 /* modprobe exit status on success, -ve on error.  Return value
  * usually useless though. */
 extern int __request_module(bool wait, const char *name, ...) \
diff --git a/include/linux/kobject.h b/include/linux/kobject.h
index 58ae8e00fcdd..3950d3c2850d 100644
--- a/include/linux/kobject.h
+++ b/include/linux/kobject.h
@@ -106,7 +106,7 @@ extern char *kobject_get_path(struct kobject *kobj, gfp_t flag);
 
 struct kobj_type {
 	void (*release)(struct kobject *kobj);
-	struct sysfs_ops *sysfs_ops;
+	const struct sysfs_ops *sysfs_ops;
 	struct attribute **default_attrs;
 };
 
@@ -118,9 +118,9 @@ struct kobj_uevent_env {
 };
 
 struct kset_uevent_ops {
-	int (*filter)(struct kset *kset, struct kobject *kobj);
-	const char *(*name)(struct kset *kset, struct kobject *kobj);
-	int (*uevent)(struct kset *kset, struct kobject *kobj,
+	int (* const filter)(struct kset *kset, struct kobject *kobj);
+	const char *(* const name)(struct kset *kset, struct kobject *kobj);
+	int (* const uevent)(struct kset *kset, struct kobject *kobj,
 		      struct kobj_uevent_env *env);
 };
 
@@ -132,7 +132,7 @@ struct kobj_attribute {
 			 const char *buf, size_t count);
 };
 
-extern struct sysfs_ops kobj_sysfs_ops;
+extern const struct sysfs_ops kobj_sysfs_ops;
 
 /**
  * struct kset - a set of kobjects of a specific type, belonging to a specific subsystem.
@@ -155,14 +155,14 @@ struct kset {
 	struct list_head list;
 	spinlock_t list_lock;
 	struct kobject kobj;
-	struct kset_uevent_ops *uevent_ops;
+	const struct kset_uevent_ops *uevent_ops;
 };
 
 extern void kset_init(struct kset *kset);
 extern int __must_check kset_register(struct kset *kset);
 extern void kset_unregister(struct kset *kset);
 extern struct kset * __must_check kset_create_and_add(const char *name,
-						struct kset_uevent_ops *u,
+						const struct kset_uevent_ops *u,
 						struct kobject *parent_kobj);
 
 static inline struct kset *to_kset(struct kobject *kobj)
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index 1b672f74a32f..e7d1b2e0070d 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -122,6 +122,11 @@ struct kprobe {
 /* Kprobe status flags */
 #define KPROBE_FLAG_GONE	1 /* breakpoint has already gone */
 #define KPROBE_FLAG_DISABLED	2 /* probe is temporarily disabled */
+#define KPROBE_FLAG_OPTIMIZED	4 /*
+				   * probe is really optimized.
+				   * NOTE:
+				   * this flag is only for optimized_kprobe.
+				   */
 
 /* Has this kprobe gone ? */
 static inline int kprobe_gone(struct kprobe *p)
@@ -134,6 +139,12 @@ static inline int kprobe_disabled(struct kprobe *p)
 {
 	return p->flags & (KPROBE_FLAG_DISABLED | KPROBE_FLAG_GONE);
 }
+
+/* Is this kprobe really running optimized path ? */
+static inline int kprobe_optimized(struct kprobe *p)
+{
+	return p->flags & KPROBE_FLAG_OPTIMIZED;
+}
 /*
  * Special probe type that uses setjmp-longjmp type tricks to resume
  * execution at a specified entry with a matching prototype corresponding
@@ -249,6 +260,39 @@ extern kprobe_opcode_t *get_insn_slot(void);
 extern void free_insn_slot(kprobe_opcode_t *slot, int dirty);
 extern void kprobes_inc_nmissed_count(struct kprobe *p);
 
+#ifdef CONFIG_OPTPROBES
+/*
+ * Internal structure for direct jump optimized probe
+ */
+struct optimized_kprobe {
+	struct kprobe kp;
+	struct list_head list;	/* list for optimizing queue */
+	struct arch_optimized_insn optinsn;
+};
+
+/* Architecture dependent functions for direct jump optimization */
+extern int arch_prepared_optinsn(struct arch_optimized_insn *optinsn);
+extern int arch_check_optimized_kprobe(struct optimized_kprobe *op);
+extern int arch_prepare_optimized_kprobe(struct optimized_kprobe *op);
+extern void arch_remove_optimized_kprobe(struct optimized_kprobe *op);
+extern int  arch_optimize_kprobe(struct optimized_kprobe *op);
+extern void arch_unoptimize_kprobe(struct optimized_kprobe *op);
+extern kprobe_opcode_t *get_optinsn_slot(void);
+extern void free_optinsn_slot(kprobe_opcode_t *slot, int dirty);
+extern int arch_within_optimized_kprobe(struct optimized_kprobe *op,
+					unsigned long addr);
+
+extern void opt_pre_handler(struct kprobe *p, struct pt_regs *regs);
+
+#ifdef CONFIG_SYSCTL
+extern int sysctl_kprobes_optimization;
+extern int proc_kprobes_optimization_handler(struct ctl_table *table,
+					     int write, void __user *buffer,
+					     size_t *length, loff_t *ppos);
+#endif
+
+#endif /* CONFIG_OPTPROBES */
+
 /* Get the kprobe at this addr (if any) - called with preemption disabled */
 struct kprobe *get_kprobe(void *addr);
 void kretprobe_hash_lock(struct task_struct *tsk,
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index a24de0b1858e..60df9c84ecae 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -103,7 +103,7 @@ struct kvm_userspace_memory_region {
 
 /* for kvm_memory_region::flags */
 #define KVM_MEM_LOG_DIRTY_PAGES  1UL
-
+#define KVM_MEMSLOT_INVALID      (1UL << 1)
 
 /* for KVM_IRQ_LINE */
 struct kvm_irq_level {
@@ -497,6 +497,11 @@ struct kvm_ioeventfd {
 #endif
 #define KVM_CAP_S390_PSW 42
 #define KVM_CAP_PPC_SEGSTATE 43
+#define KVM_CAP_HYPERV 44
+#define KVM_CAP_HYPERV_VAPIC 45
+#define KVM_CAP_HYPERV_SPIN 46
+#define KVM_CAP_PCI_SEGMENT 47
+#define KVM_CAP_X86_ROBUST_SINGLESTEP 51
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
@@ -691,8 +696,9 @@ struct kvm_assigned_pci_dev {
 	__u32 busnr;
 	__u32 devfn;
 	__u32 flags;
+	__u32 segnr;
 	union {
-		__u32 reserved[12];
+		__u32 reserved[11];
 	};
 };
 
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index bd5a616d9373..a3fd0f91d943 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -38,6 +38,7 @@
 #define KVM_REQ_MMU_SYNC           7
 #define KVM_REQ_KVMCLOCK_UPDATE    8
 #define KVM_REQ_KICK               9
+#define KVM_REQ_DEACTIVATE_FPU    10
 
 #define KVM_USERSPACE_IRQ_SOURCE_ID	0
 
@@ -57,20 +58,20 @@ struct kvm_io_bus {
 	struct kvm_io_device *devs[NR_IOBUS_DEVS];
 };
 
-void kvm_io_bus_init(struct kvm_io_bus *bus);
-void kvm_io_bus_destroy(struct kvm_io_bus *bus);
-int kvm_io_bus_write(struct kvm_io_bus *bus, gpa_t addr, int len,
-		     const void *val);
-int kvm_io_bus_read(struct kvm_io_bus *bus, gpa_t addr, int len,
+enum kvm_bus {
+	KVM_MMIO_BUS,
+	KVM_PIO_BUS,
+	KVM_NR_BUSES
+};
+
+int kvm_io_bus_write(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
+		     int len, const void *val);
+int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len,
 		    void *val);
-int __kvm_io_bus_register_dev(struct kvm_io_bus *bus,
-			       struct kvm_io_device *dev);
-int kvm_io_bus_register_dev(struct kvm *kvm, struct kvm_io_bus *bus,
+int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx,
 			    struct kvm_io_device *dev);
-void __kvm_io_bus_unregister_dev(struct kvm_io_bus *bus,
-				 struct kvm_io_device *dev);
-void kvm_io_bus_unregister_dev(struct kvm *kvm, struct kvm_io_bus *bus,
-			       struct kvm_io_device *dev);
+int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx,
+			      struct kvm_io_device *dev);
 
 struct kvm_vcpu {
 	struct kvm *kvm;
@@ -83,6 +84,8 @@ struct kvm_vcpu {
 	struct kvm_run *run;
 	unsigned long requests;
 	unsigned long guest_debug;
+	int srcu_idx;
+
 	int fpu_active;
 	int guest_fpu_loaded;
 	wait_queue_head_t wq;
@@ -150,14 +153,19 @@ struct kvm_irq_routing_table {};
 
 #endif
 
-struct kvm {
-	spinlock_t mmu_lock;
-	spinlock_t requests_lock;
-	struct rw_semaphore slots_lock;
-	struct mm_struct *mm; /* userspace tied to this vm */
+struct kvm_memslots {
 	int nmemslots;
 	struct kvm_memory_slot memslots[KVM_MEMORY_SLOTS +
 					KVM_PRIVATE_MEM_SLOTS];
+};
+
+struct kvm {
+	spinlock_t mmu_lock;
+	raw_spinlock_t requests_lock;
+	struct mutex slots_lock;
+	struct mm_struct *mm; /* userspace tied to this vm */
+	struct kvm_memslots *memslots;
+	struct srcu_struct srcu;
 #ifdef CONFIG_KVM_APIC_ARCHITECTURE
 	u32 bsp_vcpu_id;
 	struct kvm_vcpu *bsp_vcpu;
@@ -166,8 +174,7 @@ struct kvm {
 	atomic_t online_vcpus;
 	struct list_head vm_list;
 	struct mutex lock;
-	struct kvm_io_bus mmio_bus;
-	struct kvm_io_bus pio_bus;
+	struct kvm_io_bus *buses[KVM_NR_BUSES];
 #ifdef CONFIG_HAVE_KVM_EVENTFD
 	struct {
 		spinlock_t        lock;
@@ -249,13 +256,20 @@ int kvm_set_memory_region(struct kvm *kvm,
 int __kvm_set_memory_region(struct kvm *kvm,
 			    struct kvm_userspace_memory_region *mem,
 			    int user_alloc);
-int kvm_arch_set_memory_region(struct kvm *kvm,
+int kvm_arch_prepare_memory_region(struct kvm *kvm,
+				struct kvm_memory_slot *memslot,
+				struct kvm_memory_slot old,
+				struct kvm_userspace_memory_region *mem,
+				int user_alloc);
+void kvm_arch_commit_memory_region(struct kvm *kvm,
 				struct kvm_userspace_memory_region *mem,
 				struct kvm_memory_slot old,
 				int user_alloc);
 void kvm_disable_largepages(void);
 void kvm_arch_flush_shadow(struct kvm *kvm);
 gfn_t unalias_gfn(struct kvm *kvm, gfn_t gfn);
+gfn_t unalias_gfn_instantiation(struct kvm *kvm, gfn_t gfn);
+
 struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn);
 unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn);
 void kvm_release_page_clean(struct page *page);
@@ -264,6 +278,9 @@ void kvm_set_page_dirty(struct page *page);
 void kvm_set_page_accessed(struct page *page);
 
 pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn);
+pfn_t gfn_to_pfn_memslot(struct kvm *kvm,
+			 struct kvm_memory_slot *slot, gfn_t gfn);
+int memslot_id(struct kvm *kvm, gfn_t gfn);
 void kvm_release_pfn_dirty(pfn_t);
 void kvm_release_pfn_clean(pfn_t pfn);
 void kvm_set_pfn_dirty(pfn_t pfn);
@@ -283,6 +300,7 @@ int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len);
 int kvm_clear_guest(struct kvm *kvm, gpa_t gpa, unsigned long len);
 struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn);
 int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn);
+unsigned long kvm_host_page_size(struct kvm *kvm, gfn_t gfn);
 void mark_page_dirty(struct kvm *kvm, gfn_t gfn);
 
 void kvm_vcpu_block(struct kvm_vcpu *vcpu);
@@ -383,6 +401,7 @@ struct kvm_assigned_dev_kernel {
 	struct work_struct interrupt_work;
 	struct list_head list;
 	int assigned_dev_id;
+	int host_segnr;
 	int host_busnr;
 	int host_devfn;
 	unsigned int entries_nr;
@@ -429,8 +448,7 @@ void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
 #define KVM_IOMMU_CACHE_COHERENCY	0x1
 
 #ifdef CONFIG_IOMMU_API
-int kvm_iommu_map_pages(struct kvm *kvm, gfn_t base_gfn,
-			unsigned long npages);
+int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot);
 int kvm_iommu_map_guest(struct kvm *kvm);
 int kvm_iommu_unmap_guest(struct kvm *kvm);
 int kvm_assign_device(struct kvm *kvm,
@@ -480,11 +498,6 @@ static inline void kvm_guest_exit(void)
 	current->flags &= ~PF_VCPU;
 }
 
-static inline int memslot_id(struct kvm *kvm, struct kvm_memory_slot *slot)
-{
-	return slot - kvm->memslots;
-}
-
 static inline gpa_t gfn_to_gpa(gfn_t gfn)
 {
 	return (gpa_t)gfn << PAGE_SHIFT;
@@ -532,6 +545,10 @@ static inline int mmu_notifier_retry(struct kvm_vcpu *vcpu, unsigned long mmu_se
 }
 #endif
 
+#ifndef KVM_ARCH_HAS_UNALIAS_INSTANTIATION
+#define unalias_gfn_instantiation unalias_gfn
+#endif
+
 #ifdef CONFIG_HAVE_KVM_IRQCHIP
 
 #define KVM_MAX_IRQ_ROUTES 1024
diff --git a/include/linux/list.h b/include/linux/list.h
index 5d9c6558e8ab..8392884a2977 100644
--- a/include/linux/list.h
+++ b/include/linux/list.h
@@ -498,7 +498,7 @@ static inline void list_splice_tail_init(struct list_head *list,
 	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
 
 /**
- * list_for_each_entry_safe_continue
+ * list_for_each_entry_safe_continue - continue list iteration safe against removal
  * @pos:	the type * to use as a loop cursor.
  * @n:		another type * to use as temporary storage
  * @head:	the head for your list.
@@ -514,7 +514,7 @@ static inline void list_splice_tail_init(struct list_head *list,
 	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
 
 /**
- * list_for_each_entry_safe_from
+ * list_for_each_entry_safe_from - iterate over list from current point safe against removal
  * @pos:	the type * to use as a loop cursor.
  * @n:		another type * to use as temporary storage
  * @head:	the head for your list.
@@ -529,7 +529,7 @@ static inline void list_splice_tail_init(struct list_head *list,
 	     pos = n, n = list_entry(n->member.next, typeof(*n), member))
 
 /**
- * list_for_each_entry_safe_reverse
+ * list_for_each_entry_safe_reverse - iterate backwards over list safe against removal
  * @pos:	the type * to use as a loop cursor.
  * @n:		another type * to use as temporary storage
  * @head:	the head for your list.
diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h
index 10206a87da19..a03977a96d7e 100644
--- a/include/linux/lockdep.h
+++ b/include/linux/lockdep.h
@@ -12,6 +12,10 @@
 struct task_struct;
 struct lockdep_map;
 
+/* for sysctl */
+extern int prove_locking;
+extern int lock_stat;
+
 #ifdef CONFIG_LOCKDEP
 
 #include <linux/linkage.h>
diff --git a/include/linux/lru_cache.h b/include/linux/lru_cache.h
index 3a2b2d9b0472..de48d167568b 100644
--- a/include/linux/lru_cache.h
+++ b/include/linux/lru_cache.h
@@ -64,7 +64,7 @@ For crash recovery after replication node failure,
   usually the condition is softened to regions that _may_ have been target of
   in-flight WRITE IO, e.g. by only lazily clearing the on-disk write-intent
   bitmap, trading frequency of meta data transactions against amount of
-  (possibly unneccessary) resync traffic.
+  (possibly unnecessary) resync traffic.
 
   If we set a hard limit on the area that may be "hot" at any given time, we
   limit the amount of resync traffic needed for crash recovery.
diff --git a/include/linux/magic.h b/include/linux/magic.h
index 76285e01b39e..eb9800f05782 100644
--- a/include/linux/magic.h
+++ b/include/linux/magic.h
@@ -52,7 +52,6 @@
 #define CGROUP_SUPER_MAGIC	0x27e0eb
 
 #define FUTEXFS_SUPER_MAGIC	0xBAD1DEA
-#define INOTIFYFS_SUPER_MAGIC	0x2BAD1DEA
 
 #define STACK_END_MAGIC		0x57AC6E9D
 
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 1f9b119f4ace..44301c6affa8 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -124,7 +124,6 @@ static inline bool mem_cgroup_disabled(void)
 	return false;
 }
 
-extern bool mem_cgroup_oom_called(struct task_struct *task);
 void mem_cgroup_update_file_mapped(struct page *page, int val);
 unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
 						gfp_t gfp_mask, int nid,
@@ -258,11 +257,6 @@ static inline bool mem_cgroup_disabled(void)
 	return true;
 }
 
-static inline bool mem_cgroup_oom_called(struct task_struct *task)
-{
-	return false;
-}
-
 static inline int
 mem_cgroup_inactive_anon_is_low(struct mem_cgroup *memcg)
 {
diff --git a/include/linux/memory.h b/include/linux/memory.h
index 1adfe779eb99..85582e1bcee9 100644
--- a/include/linux/memory.h
+++ b/include/linux/memory.h
@@ -36,6 +36,8 @@ struct memory_block {
 	struct sys_device sysdev;
 };
 
+int arch_get_memory_phys_device(unsigned long start_pfn);
+
 /* These states are exposed to userspace as text strings in sysfs */
 #define	MEM_ONLINE		(1<<0) /* exposed to userspace */
 #define	MEM_GOING_OFFLINE	(1<<1) /* exposed to userspace */
diff --git a/include/linux/mfd/88pm8607.h b/include/linux/mfd/88pm8607.h
deleted file mode 100644
index f41b428d2cec..000000000000
--- a/include/linux/mfd/88pm8607.h
+++ /dev/null
@@ -1,217 +0,0 @@
-/*
- * Marvell 88PM8607 Interface
- *
- * Copyright (C) 2009 Marvell International Ltd.
- * 	Haojian Zhuang <haojian.zhuang@marvell.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __LINUX_MFD_88PM8607_H
-#define __LINUX_MFD_88PM8607_H
-
-enum {
-	PM8607_ID_BUCK1 = 0,
-	PM8607_ID_BUCK2,
-	PM8607_ID_BUCK3,
-
-	PM8607_ID_LDO1,
-	PM8607_ID_LDO2,
-	PM8607_ID_LDO3,
-	PM8607_ID_LDO4,
-	PM8607_ID_LDO5,
-	PM8607_ID_LDO6,
-	PM8607_ID_LDO7,
-	PM8607_ID_LDO8,
-	PM8607_ID_LDO9,
-	PM8607_ID_LDO10,
-	PM8607_ID_LDO12,
-	PM8607_ID_LDO14,
-
-	PM8607_ID_RG_MAX,
-};
-
-#define CHIP_ID				(0x40)
-#define CHIP_ID_MASK			(0xF8)
-
-/* Interrupt Registers */
-#define PM8607_STATUS_1			(0x01)
-#define PM8607_STATUS_2			(0x02)
-#define PM8607_INT_STATUS1		(0x03)
-#define PM8607_INT_STATUS2		(0x04)
-#define PM8607_INT_STATUS3		(0x05)
-#define PM8607_INT_MASK_1		(0x06)
-#define PM8607_INT_MASK_2		(0x07)
-#define PM8607_INT_MASK_3		(0x08)
-
-/* Regulator Control Registers */
-#define PM8607_LDO1			(0x10)
-#define PM8607_LDO2			(0x11)
-#define PM8607_LDO3			(0x12)
-#define PM8607_LDO4			(0x13)
-#define PM8607_LDO5			(0x14)
-#define PM8607_LDO6			(0x15)
-#define PM8607_LDO7			(0x16)
-#define PM8607_LDO8			(0x17)
-#define PM8607_LDO9			(0x18)
-#define PM8607_LDO10			(0x19)
-#define PM8607_LDO12			(0x1A)
-#define PM8607_LDO14			(0x1B)
-#define PM8607_SLEEP_MODE1		(0x1C)
-#define PM8607_SLEEP_MODE2		(0x1D)
-#define PM8607_SLEEP_MODE3		(0x1E)
-#define PM8607_SLEEP_MODE4		(0x1F)
-#define PM8607_GO			(0x20)
-#define PM8607_SLEEP_BUCK1		(0x21)
-#define PM8607_SLEEP_BUCK2		(0x22)
-#define PM8607_SLEEP_BUCK3		(0x23)
-#define PM8607_BUCK1			(0x24)
-#define PM8607_BUCK2			(0x25)
-#define PM8607_BUCK3			(0x26)
-#define PM8607_BUCK_CONTROLS		(0x27)
-#define PM8607_SUPPLIES_EN11		(0x2B)
-#define PM8607_SUPPLIES_EN12		(0x2C)
-#define PM8607_GROUP1			(0x2D)
-#define PM8607_GROUP2			(0x2E)
-#define PM8607_GROUP3			(0x2F)
-#define PM8607_GROUP4			(0x30)
-#define PM8607_GROUP5			(0x31)
-#define PM8607_GROUP6			(0x32)
-#define PM8607_SUPPLIES_EN21		(0x33)
-#define PM8607_SUPPLIES_EN22		(0x34)
-
-/* RTC Control Registers */
-#define PM8607_RTC1			(0xA0)
-#define PM8607_RTC_COUNTER1		(0xA1)
-#define PM8607_RTC_COUNTER2		(0xA2)
-#define PM8607_RTC_COUNTER3		(0xA3)
-#define PM8607_RTC_COUNTER4		(0xA4)
-#define PM8607_RTC_EXPIRE1		(0xA5)
-#define PM8607_RTC_EXPIRE2		(0xA6)
-#define PM8607_RTC_EXPIRE3		(0xA7)
-#define PM8607_RTC_EXPIRE4		(0xA8)
-#define PM8607_RTC_TRIM1		(0xA9)
-#define PM8607_RTC_TRIM2		(0xAA)
-#define PM8607_RTC_TRIM3		(0xAB)
-#define PM8607_RTC_TRIM4		(0xAC)
-#define PM8607_RTC_MISC1		(0xAD)
-#define PM8607_RTC_MISC2		(0xAE)
-#define PM8607_RTC_MISC3		(0xAF)
-
-/* Misc Registers */
-#define PM8607_CHIP_ID			(0x00)
-#define PM8607_LDO1			(0x10)
-#define PM8607_DVC3			(0x26)
-#define PM8607_MISC1			(0x40)
-
-/* bit definitions for PM8607 events */
-#define PM8607_EVENT_ONKEY		(1 << 0)
-#define PM8607_EVENT_EXTON		(1 << 1)
-#define PM8607_EVENT_CHG		(1 << 2)
-#define PM8607_EVENT_BAT		(1 << 3)
-#define PM8607_EVENT_RTC		(1 << 4)
-#define PM8607_EVENT_CC			(1 << 5)
-#define PM8607_EVENT_VBAT		(1 << 8)
-#define PM8607_EVENT_VCHG		(1 << 9)
-#define PM8607_EVENT_VSYS		(1 << 10)
-#define PM8607_EVENT_TINT		(1 << 11)
-#define PM8607_EVENT_GPADC0		(1 << 12)
-#define PM8607_EVENT_GPADC1		(1 << 13)
-#define PM8607_EVENT_GPADC2		(1 << 14)
-#define PM8607_EVENT_GPADC3		(1 << 15)
-#define PM8607_EVENT_AUDIO_SHORT	(1 << 16)
-#define PM8607_EVENT_PEN		(1 << 17)
-#define PM8607_EVENT_HEADSET		(1 << 18)
-#define PM8607_EVENT_HOOK		(1 << 19)
-#define PM8607_EVENT_MICIN		(1 << 20)
-#define PM8607_EVENT_CHG_TIMEOUT	(1 << 21)
-#define PM8607_EVENT_CHG_DONE		(1 << 22)
-#define PM8607_EVENT_CHG_FAULT		(1 << 23)
-
-/* bit definitions of Status Query Interface */
-#define PM8607_STATUS_CC		(1 << 3)
-#define PM8607_STATUS_PEN		(1 << 4)
-#define PM8607_STATUS_HEADSET		(1 << 5)
-#define PM8607_STATUS_HOOK		(1 << 6)
-#define PM8607_STATUS_MICIN		(1 << 7)
-#define PM8607_STATUS_ONKEY		(1 << 8)
-#define PM8607_STATUS_EXTON		(1 << 9)
-#define PM8607_STATUS_CHG		(1 << 10)
-#define PM8607_STATUS_BAT		(1 << 11)
-#define PM8607_STATUS_VBUS		(1 << 12)
-#define PM8607_STATUS_OV		(1 << 13)
-
-/* bit definitions of BUCK3 */
-#define PM8607_BUCK3_DOUBLE		(1 << 6)
-
-/* bit definitions of Misc1 */
-#define PM8607_MISC1_PI2C		(1 << 0)
-
-/* Interrupt Number in 88PM8607 */
-enum {
-	PM8607_IRQ_ONKEY = 0,
-	PM8607_IRQ_EXTON,
-	PM8607_IRQ_CHG,
-	PM8607_IRQ_BAT,
-	PM8607_IRQ_RTC,
-	PM8607_IRQ_VBAT = 8,
-	PM8607_IRQ_VCHG,
-	PM8607_IRQ_VSYS,
-	PM8607_IRQ_TINT,
-	PM8607_IRQ_GPADC0,
-	PM8607_IRQ_GPADC1,
-	PM8607_IRQ_GPADC2,
-	PM8607_IRQ_GPADC3,
-	PM8607_IRQ_AUDIO_SHORT = 16,
-	PM8607_IRQ_PEN,
-	PM8607_IRQ_HEADSET,
-	PM8607_IRQ_HOOK,
-	PM8607_IRQ_MICIN,
-	PM8607_IRQ_CHG_FAIL,
-	PM8607_IRQ_CHG_DONE,
-	PM8607_IRQ_CHG_FAULT,
-};
-
-enum {
-	PM8607_CHIP_A0 = 0x40,
-	PM8607_CHIP_A1 = 0x41,
-	PM8607_CHIP_B0 = 0x48,
-};
-
-
-struct pm8607_chip {
-	struct device		*dev;
-	struct mutex		io_lock;
-	struct i2c_client	*client;
-
-	int (*read)(struct pm8607_chip *chip, int reg, int bytes, void *dest);
-	int (*write)(struct pm8607_chip *chip, int reg, int bytes, void *src);
-
-	int			buck3_double;	/* DVC ramp slope double */
-	unsigned char		chip_id;
-
-};
-
-#define PM8607_MAX_REGULATOR	15	/* 3 Bucks, 12 LDOs */
-
-enum {
-	GI2C_PORT = 0,
-	PI2C_PORT,
-};
-
-struct pm8607_platform_data {
-	int	i2c_port;	/* Controlled by GI2C or PI2C */
-	struct regulator_init_data *regulator[PM8607_MAX_REGULATOR];
-};
-
-extern int pm8607_reg_read(struct pm8607_chip *, int);
-extern int pm8607_reg_write(struct pm8607_chip *, int, unsigned char);
-extern int pm8607_bulk_read(struct pm8607_chip *, int, int,
-			    unsigned char *);
-extern int pm8607_bulk_write(struct pm8607_chip *, int, int,
-			     unsigned char *);
-extern int pm8607_set_bits(struct pm8607_chip *, int, unsigned char,
-			   unsigned char);
-#endif /* __LINUX_MFD_88PM8607_H */
diff --git a/include/linux/mfd/88pm860x.h b/include/linux/mfd/88pm860x.h
new file mode 100644
index 000000000000..73f92c5feea2
--- /dev/null
+++ b/include/linux/mfd/88pm860x.h
@@ -0,0 +1,375 @@
+/*
+ * Marvell 88PM860x Interface
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ * 	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_MFD_88PM860X_H
+#define __LINUX_MFD_88PM860X_H
+
+#include <linux/interrupt.h>
+
+#define MFD_NAME_SIZE		(40)
+
+enum {
+	CHIP_INVALID = 0,
+	CHIP_PM8606,
+	CHIP_PM8607,
+	CHIP_MAX,
+};
+
+enum {
+	PM8606_ID_INVALID,
+	PM8606_ID_BACKLIGHT,
+	PM8606_ID_LED,
+	PM8606_ID_VIBRATOR,
+	PM8606_ID_TOUCH,
+	PM8606_ID_SOUND,
+	PM8606_ID_CHARGER,
+	PM8606_ID_MAX,
+};
+
+enum {
+	PM8606_BACKLIGHT1 = 0,
+	PM8606_BACKLIGHT2,
+	PM8606_BACKLIGHT3,
+};
+
+enum {
+	PM8606_LED1_RED = 0,
+	PM8606_LED1_GREEN,
+	PM8606_LED1_BLUE,
+	PM8606_LED2_RED,
+	PM8606_LED2_GREEN,
+	PM8606_LED2_BLUE,
+	PM8607_LED_VIBRATOR,
+};
+
+
+/* 8606 Registers */
+#define PM8606_DCM_BOOST		(0x00)
+#define PM8606_PWM			(0x01)
+
+/* Backlight Registers */
+#define PM8606_WLED1A			(0x02)
+#define PM8606_WLED1B			(0x03)
+#define PM8606_WLED2A			(0x04)
+#define PM8606_WLED2B			(0x05)
+#define PM8606_WLED3A			(0x06)
+#define PM8606_WLED3B			(0x07)
+
+/* LED Registers */
+#define PM8606_RGB2A			(0x08)
+#define PM8606_RGB2B			(0x09)
+#define PM8606_RGB2C			(0x0A)
+#define PM8606_RGB2D			(0x0B)
+#define PM8606_RGB1A			(0x0C)
+#define PM8606_RGB1B			(0x0D)
+#define PM8606_RGB1C			(0x0E)
+#define PM8606_RGB1D			(0x0F)
+
+#define PM8606_PREREGULATORA		(0x10)
+#define PM8606_PREREGULATORB		(0x11)
+#define PM8606_VIBRATORA		(0x12)
+#define PM8606_VIBRATORB		(0x13)
+#define PM8606_VCHG			(0x14)
+#define PM8606_VSYS			(0x15)
+#define PM8606_MISC			(0x16)
+#define PM8606_CHIP_ID			(0x17)
+#define PM8606_STATUS			(0x18)
+#define PM8606_FLAGS			(0x19)
+#define PM8606_PROTECTA			(0x1A)
+#define PM8606_PROTECTB			(0x1B)
+#define PM8606_PROTECTC			(0x1C)
+
+/* Bit definitions of PM8606 registers */
+#define PM8606_DCM_500MA		(0x0)	/* current limit */
+#define PM8606_DCM_750MA		(0x1)
+#define PM8606_DCM_1000MA		(0x2)
+#define PM8606_DCM_1250MA		(0x3)
+#define PM8606_DCM_250MV		(0x0 << 2)
+#define PM8606_DCM_300MV		(0x1 << 2)
+#define PM8606_DCM_350MV		(0x2 << 2)
+#define PM8606_DCM_400MV		(0x3 << 2)
+
+#define PM8606_PWM_31200HZ		(0x0)
+#define PM8606_PWM_15600HZ		(0x1)
+#define PM8606_PWM_7800HZ		(0x2)
+#define PM8606_PWM_3900HZ		(0x3)
+#define PM8606_PWM_1950HZ		(0x4)
+#define PM8606_PWM_976HZ		(0x5)
+#define PM8606_PWM_488HZ		(0x6)
+#define PM8606_PWM_244HZ		(0x7)
+#define PM8606_PWM_FREQ_MASK		(0x7)
+
+#define PM8606_WLED_ON			(1 << 0)
+#define PM8606_WLED_CURRENT(x)		((x & 0x1F) << 1)
+
+#define PM8606_LED_CURRENT(x)		(((x >> 2) & 0x07) << 5)
+
+#define PM8606_VSYS_EN			(1 << 1)
+
+#define PM8606_MISC_OSC_EN		(1 << 4)
+
+enum {
+	PM8607_ID_BUCK1 = 0,
+	PM8607_ID_BUCK2,
+	PM8607_ID_BUCK3,
+
+	PM8607_ID_LDO1,
+	PM8607_ID_LDO2,
+	PM8607_ID_LDO3,
+	PM8607_ID_LDO4,
+	PM8607_ID_LDO5,
+	PM8607_ID_LDO6,
+	PM8607_ID_LDO7,
+	PM8607_ID_LDO8,
+	PM8607_ID_LDO9,
+	PM8607_ID_LDO10,
+	PM8607_ID_LDO12,
+	PM8607_ID_LDO14,
+
+	PM8607_ID_RG_MAX,
+};
+
+#define PM8607_VERSION			(0x40)	/* 8607 chip ID */
+#define PM8607_VERSION_MASK		(0xF0)	/* 8607 chip ID mask */
+
+/* Interrupt Registers */
+#define PM8607_STATUS_1			(0x01)
+#define PM8607_STATUS_2			(0x02)
+#define PM8607_INT_STATUS1		(0x03)
+#define PM8607_INT_STATUS2		(0x04)
+#define PM8607_INT_STATUS3		(0x05)
+#define PM8607_INT_MASK_1		(0x06)
+#define PM8607_INT_MASK_2		(0x07)
+#define PM8607_INT_MASK_3		(0x08)
+
+/* Regulator Control Registers */
+#define PM8607_LDO1			(0x10)
+#define PM8607_LDO2			(0x11)
+#define PM8607_LDO3			(0x12)
+#define PM8607_LDO4			(0x13)
+#define PM8607_LDO5			(0x14)
+#define PM8607_LDO6			(0x15)
+#define PM8607_LDO7			(0x16)
+#define PM8607_LDO8			(0x17)
+#define PM8607_LDO9			(0x18)
+#define PM8607_LDO10			(0x19)
+#define PM8607_LDO12			(0x1A)
+#define PM8607_LDO14			(0x1B)
+#define PM8607_SLEEP_MODE1		(0x1C)
+#define PM8607_SLEEP_MODE2		(0x1D)
+#define PM8607_SLEEP_MODE3		(0x1E)
+#define PM8607_SLEEP_MODE4		(0x1F)
+#define PM8607_GO			(0x20)
+#define PM8607_SLEEP_BUCK1		(0x21)
+#define PM8607_SLEEP_BUCK2		(0x22)
+#define PM8607_SLEEP_BUCK3		(0x23)
+#define PM8607_BUCK1			(0x24)
+#define PM8607_BUCK2			(0x25)
+#define PM8607_BUCK3			(0x26)
+#define PM8607_BUCK_CONTROLS		(0x27)
+#define PM8607_SUPPLIES_EN11		(0x2B)
+#define PM8607_SUPPLIES_EN12		(0x2C)
+#define PM8607_GROUP1			(0x2D)
+#define PM8607_GROUP2			(0x2E)
+#define PM8607_GROUP3			(0x2F)
+#define PM8607_GROUP4			(0x30)
+#define PM8607_GROUP5			(0x31)
+#define PM8607_GROUP6			(0x32)
+#define PM8607_SUPPLIES_EN21		(0x33)
+#define PM8607_SUPPLIES_EN22		(0x34)
+
+/* Vibrator Control Registers */
+#define PM8607_VIBRATOR_SET		(0x28)
+#define PM8607_VIBRATOR_PWM		(0x29)
+
+/* GPADC Registers */
+#define PM8607_GP_BIAS1			(0x4F)
+#define PM8607_MEAS_EN1			(0x50)
+#define PM8607_MEAS_EN2			(0x51)
+#define PM8607_MEAS_EN3			(0x52)
+#define PM8607_MEAS_OFF_TIME1		(0x53)
+#define PM8607_MEAS_OFF_TIME2		(0x54)
+#define PM8607_TSI_PREBIAS		(0x55)	/* prebias time */
+#define PM8607_PD_PREBIAS		(0x56)	/* prebias time */
+#define PM8607_GPADC_MISC1		(0x57)
+
+/* RTC Control Registers */
+#define PM8607_RTC1			(0xA0)
+#define PM8607_RTC_COUNTER1		(0xA1)
+#define PM8607_RTC_COUNTER2		(0xA2)
+#define PM8607_RTC_COUNTER3		(0xA3)
+#define PM8607_RTC_COUNTER4		(0xA4)
+#define PM8607_RTC_EXPIRE1		(0xA5)
+#define PM8607_RTC_EXPIRE2		(0xA6)
+#define PM8607_RTC_EXPIRE3		(0xA7)
+#define PM8607_RTC_EXPIRE4		(0xA8)
+#define PM8607_RTC_TRIM1		(0xA9)
+#define PM8607_RTC_TRIM2		(0xAA)
+#define PM8607_RTC_TRIM3		(0xAB)
+#define PM8607_RTC_TRIM4		(0xAC)
+#define PM8607_RTC_MISC1		(0xAD)
+#define PM8607_RTC_MISC2		(0xAE)
+#define PM8607_RTC_MISC3		(0xAF)
+
+/* Misc Registers */
+#define PM8607_CHIP_ID			(0x00)
+#define PM8607_B0_MISC1			(0x0C)
+#define PM8607_LDO1			(0x10)
+#define PM8607_DVC3			(0x26)
+#define PM8607_A1_MISC1			(0x40)
+
+/* bit definitions of Status Query Interface */
+#define PM8607_STATUS_CC		(1 << 3)
+#define PM8607_STATUS_PEN		(1 << 4)
+#define PM8607_STATUS_HEADSET		(1 << 5)
+#define PM8607_STATUS_HOOK		(1 << 6)
+#define PM8607_STATUS_MICIN		(1 << 7)
+#define PM8607_STATUS_ONKEY		(1 << 8)
+#define PM8607_STATUS_EXTON		(1 << 9)
+#define PM8607_STATUS_CHG		(1 << 10)
+#define PM8607_STATUS_BAT		(1 << 11)
+#define PM8607_STATUS_VBUS		(1 << 12)
+#define PM8607_STATUS_OV		(1 << 13)
+
+/* bit definitions of BUCK3 */
+#define PM8607_BUCK3_DOUBLE		(1 << 6)
+
+/* bit definitions of Misc1 */
+#define PM8607_A1_MISC1_PI2C		(1 << 0)
+#define PM8607_B0_MISC1_INV_INT		(1 << 0)
+#define PM8607_B0_MISC1_INT_CLEAR	(1 << 1)
+#define PM8607_B0_MISC1_INT_MASK	(1 << 2)
+#define PM8607_B0_MISC1_PI2C		(1 << 3)
+#define PM8607_B0_MISC1_RESET		(1 << 6)
+
+/* bits definitions of GPADC */
+#define PM8607_GPADC_EN			(1 << 0)
+#define PM8607_GPADC_PREBIAS_MASK	(3 << 1)
+#define PM8607_GPADC_SLOT_CYCLE_MASK	(3 << 3)	/* slow mode */
+#define PM8607_GPADC_OFF_SCALE_MASK	(3 << 5)	/* GP sleep mode */
+#define PM8607_GPADC_SW_CAL_MASK	(1 << 7)
+
+#define PM8607_PD_PREBIAS_MASK		(0x1F << 0)
+#define PM8607_PD_PRECHG_MASK		(7 << 5)
+
+/* Interrupt Number in 88PM8607 */
+enum {
+	PM8607_IRQ_ONKEY,
+	PM8607_IRQ_EXTON,
+	PM8607_IRQ_CHG,
+	PM8607_IRQ_BAT,
+	PM8607_IRQ_RTC,
+	PM8607_IRQ_CC,
+	PM8607_IRQ_VBAT,
+	PM8607_IRQ_VCHG,
+	PM8607_IRQ_VSYS,
+	PM8607_IRQ_TINT,
+	PM8607_IRQ_GPADC0,
+	PM8607_IRQ_GPADC1,
+	PM8607_IRQ_GPADC2,
+	PM8607_IRQ_GPADC3,
+	PM8607_IRQ_AUDIO_SHORT,
+	PM8607_IRQ_PEN,
+	PM8607_IRQ_HEADSET,
+	PM8607_IRQ_HOOK,
+	PM8607_IRQ_MICIN,
+	PM8607_IRQ_CHG_FAIL,
+	PM8607_IRQ_CHG_DONE,
+	PM8607_IRQ_CHG_FAULT,
+};
+
+enum {
+	PM8607_CHIP_A0 = 0x40,
+	PM8607_CHIP_A1 = 0x41,
+	PM8607_CHIP_B0 = 0x48,
+};
+
+struct pm860x_chip {
+	struct device		*dev;
+	struct mutex		io_lock;
+	struct mutex		irq_lock;
+	struct i2c_client	*client;
+	struct i2c_client	*companion;	/* companion chip client */
+
+	int			buck3_double;	/* DVC ramp slope double */
+	unsigned short		companion_addr;
+	int			id;
+	int			irq_mode;
+	int			irq_base;
+	int			core_irq;
+	unsigned char		chip_version;
+
+};
+
+#define PM8607_MAX_REGULATOR	15	/* 3 Bucks, 12 LDOs */
+
+enum {
+	GI2C_PORT = 0,
+	PI2C_PORT,
+};
+
+struct pm860x_backlight_pdata {
+	int		id;
+	int		pwm;
+	int		iset;
+	unsigned long	flags;
+};
+
+struct pm860x_led_pdata {
+	int		id;
+	int		iset;
+	unsigned long	flags;
+};
+
+struct pm860x_touch_pdata {
+	int		gpadc_prebias;
+	int		slot_cycle;
+	int		off_scale;
+	int		sw_cal;
+	int		tsi_prebias;	/* time, slot */
+	int		pen_prebias;	/* time, slot */
+	int		pen_prechg;	/* time, slot */
+	int		res_x;		/* resistor of Xplate */
+	unsigned long	flags;
+};
+
+struct pm860x_power_pdata {
+	unsigned	fast_charge;	/* charge current */
+};
+
+struct pm860x_platform_data {
+	struct pm860x_backlight_pdata	*backlight;
+	struct pm860x_led_pdata		*led;
+	struct pm860x_touch_pdata	*touch;
+	struct pm860x_power_pdata	*power;
+
+	unsigned short	companion_addr;	/* I2C address of companion chip */
+	int		i2c_port;	/* Controlled by GI2C or PI2C */
+	int		irq_mode;	/* Clear interrupt by read/write(0/1) */
+	int		irq_base;	/* IRQ base number of 88pm860x */
+	struct regulator_init_data *regulator[PM8607_MAX_REGULATOR];
+};
+
+extern char pm860x_backlight_name[][MFD_NAME_SIZE];
+extern char pm860x_led_name[][MFD_NAME_SIZE];
+
+extern int pm860x_reg_read(struct i2c_client *, int);
+extern int pm860x_reg_write(struct i2c_client *, int, unsigned char);
+extern int pm860x_bulk_read(struct i2c_client *, int, int, unsigned char *);
+extern int pm860x_bulk_write(struct i2c_client *, int, int, unsigned char *);
+extern int pm860x_set_bits(struct i2c_client *, int, unsigned char,
+			   unsigned char);
+
+extern int pm860x_device_init(struct pm860x_chip *chip,
+			      struct pm860x_platform_data *pdata);
+extern void pm860x_device_exit(struct pm860x_chip *chip);
+
+#endif /* __LINUX_MFD_88PM860X_H */
diff --git a/include/linux/mfd/ab3100.h b/include/linux/mfd/ab3100.h
index e9aa4c9d749d..9a881c305a50 100644
--- a/include/linux/mfd/ab3100.h
+++ b/include/linux/mfd/ab3100.h
@@ -6,7 +6,6 @@
  */
 
 #include <linux/device.h>
-#include <linux/workqueue.h>
 #include <linux/regulator/machine.h>
 
 #ifndef MFD_AB3100_H
@@ -74,7 +73,6 @@
  * @testreg_client: secondary client for test registers
  * @chip_name: name of this chip variant
  * @chip_id: 8 bit chip ID for this chip variant
- * @work: an event handling worker
  * @event_subscribers: event subscribers are listed here
  * @startup_events: a copy of the first reading of the event registers
  * @startup_events_read: whether the first events have been read
@@ -90,7 +88,6 @@ struct ab3100 {
 	struct i2c_client *testreg_client;
 	char chip_name[32];
 	u8 chip_id;
-	struct work_struct work;
 	struct blocking_notifier_head event_subscribers;
 	u32 startup_events;
 	bool startup_events_read;
diff --git a/include/linux/mfd/max8925.h b/include/linux/mfd/max8925.h
new file mode 100644
index 000000000000..5259dfe8c585
--- /dev/null
+++ b/include/linux/mfd/max8925.h
@@ -0,0 +1,253 @@
+/*
+ * Maxim8925 Interface
+ *
+ * Copyright (C) 2009 Marvell International Ltd.
+ *	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_MFD_MAX8925_H
+#define __LINUX_MFD_MAX8925_H
+
+#include <linux/mutex.h>
+#include <linux/interrupt.h>
+
+/* Unified sub device IDs for MAX8925 */
+enum {
+	MAX8925_ID_SD1,
+	MAX8925_ID_SD2,
+	MAX8925_ID_SD3,
+	MAX8925_ID_LDO1,
+	MAX8925_ID_LDO2,
+	MAX8925_ID_LDO3,
+	MAX8925_ID_LDO4,
+	MAX8925_ID_LDO5,
+	MAX8925_ID_LDO6,
+	MAX8925_ID_LDO7,
+	MAX8925_ID_LDO8,
+	MAX8925_ID_LDO9,
+	MAX8925_ID_LDO10,
+	MAX8925_ID_LDO11,
+	MAX8925_ID_LDO12,
+	MAX8925_ID_LDO13,
+	MAX8925_ID_LDO14,
+	MAX8925_ID_LDO15,
+	MAX8925_ID_LDO16,
+	MAX8925_ID_LDO17,
+	MAX8925_ID_LDO18,
+	MAX8925_ID_LDO19,
+	MAX8925_ID_LDO20,
+	MAX8925_ID_MAX,
+};
+
+enum {
+	/*
+	 * Charging current threshold trigger going from fast charge
+	 * to TOPOFF charge. From 5% to 20% of fasting charging current.
+	 */
+	MAX8925_TOPOFF_THR_5PER,
+	MAX8925_TOPOFF_THR_10PER,
+	MAX8925_TOPOFF_THR_15PER,
+	MAX8925_TOPOFF_THR_20PER,
+};
+
+enum {
+	/* Fast charging current */
+	MAX8925_FCHG_85MA,
+	MAX8925_FCHG_300MA,
+	MAX8925_FCHG_460MA,
+	MAX8925_FCHG_600MA,
+	MAX8925_FCHG_700MA,
+	MAX8925_FCHG_800MA,
+	MAX8925_FCHG_900MA,
+	MAX8925_FCHG_1000MA,
+};
+
+/* Charger registers */
+#define MAX8925_CHG_IRQ1		(0x7e)
+#define MAX8925_CHG_IRQ2		(0x7f)
+#define MAX8925_CHG_IRQ1_MASK		(0x80)
+#define MAX8925_CHG_IRQ2_MASK		(0x81)
+#define MAX8925_CHG_STATUS		(0x82)
+
+/* GPM registers */
+#define MAX8925_SYSENSEL		(0x00)
+#define MAX8925_ON_OFF_IRQ1		(0x01)
+#define MAX8925_ON_OFF_IRQ1_MASK	(0x02)
+#define MAX8925_ON_OFF_STATUS		(0x03)
+#define MAX8925_ON_OFF_IRQ2		(0x0d)
+#define MAX8925_ON_OFF_IRQ2_MASK	(0x0e)
+#define MAX8925_RESET_CNFG		(0x0f)
+
+/* Touch registers */
+#define MAX8925_TSC_IRQ			(0x00)
+#define MAX8925_TSC_IRQ_MASK		(0x01)
+#define MAX8925_TSC_CNFG1		(0x02)
+#define MAX8925_ADC_SCHED		(0x10)
+#define MAX8925_ADC_RES_END		(0x6f)
+
+#define MAX8925_NREF_OK			(1 << 4)
+
+/* RTC registers */
+#define MAX8925_ALARM0_CNTL		(0x18)
+#define MAX8925_ALARM1_CNTL		(0x19)
+#define MAX8925_RTC_IRQ			(0x1c)
+#define MAX8925_RTC_IRQ_MASK		(0x1d)
+#define MAX8925_MPL_CNTL		(0x1e)
+
+/* WLED registers */
+#define MAX8925_WLED_MODE_CNTL		(0x84)
+#define MAX8925_WLED_CNTL		(0x85)
+
+/* MAX8925 Registers */
+#define MAX8925_SDCTL1			(0x04)
+#define MAX8925_SDCTL2			(0x07)
+#define MAX8925_SDCTL3			(0x0A)
+#define MAX8925_SDV1			(0x06)
+#define MAX8925_SDV2			(0x09)
+#define MAX8925_SDV3			(0x0C)
+#define MAX8925_LDOCTL1			(0x18)
+#define MAX8925_LDOCTL2			(0x1C)
+#define MAX8925_LDOCTL3			(0x20)
+#define MAX8925_LDOCTL4			(0x24)
+#define MAX8925_LDOCTL5			(0x28)
+#define MAX8925_LDOCTL6			(0x2C)
+#define MAX8925_LDOCTL7			(0x30)
+#define MAX8925_LDOCTL8			(0x34)
+#define MAX8925_LDOCTL9			(0x38)
+#define MAX8925_LDOCTL10		(0x3C)
+#define MAX8925_LDOCTL11		(0x40)
+#define MAX8925_LDOCTL12		(0x44)
+#define MAX8925_LDOCTL13		(0x48)
+#define MAX8925_LDOCTL14		(0x4C)
+#define MAX8925_LDOCTL15		(0x50)
+#define MAX8925_LDOCTL16		(0x10)
+#define MAX8925_LDOCTL17		(0x14)
+#define MAX8925_LDOCTL18		(0x72)
+#define MAX8925_LDOCTL19		(0x5C)
+#define MAX8925_LDOCTL20		(0x9C)
+#define MAX8925_LDOVOUT1		(0x1A)
+#define MAX8925_LDOVOUT2		(0x1E)
+#define MAX8925_LDOVOUT3		(0x22)
+#define MAX8925_LDOVOUT4		(0x26)
+#define MAX8925_LDOVOUT5		(0x2A)
+#define MAX8925_LDOVOUT6		(0x2E)
+#define MAX8925_LDOVOUT7		(0x32)
+#define MAX8925_LDOVOUT8		(0x36)
+#define MAX8925_LDOVOUT9		(0x3A)
+#define MAX8925_LDOVOUT10		(0x3E)
+#define MAX8925_LDOVOUT11		(0x42)
+#define MAX8925_LDOVOUT12		(0x46)
+#define MAX8925_LDOVOUT13		(0x4A)
+#define MAX8925_LDOVOUT14		(0x4E)
+#define MAX8925_LDOVOUT15		(0x52)
+#define MAX8925_LDOVOUT16		(0x12)
+#define MAX8925_LDOVOUT17		(0x16)
+#define MAX8925_LDOVOUT18		(0x74)
+#define MAX8925_LDOVOUT19		(0x5E)
+#define MAX8925_LDOVOUT20		(0x9E)
+
+/* bit definitions */
+#define CHG_IRQ1_MASK			(0x07)
+#define CHG_IRQ2_MASK			(0xff)
+#define ON_OFF_IRQ1_MASK		(0xff)
+#define ON_OFF_IRQ2_MASK		(0x03)
+#define TSC_IRQ_MASK			(0x03)
+#define RTC_IRQ_MASK			(0x0c)
+
+#define MAX8925_MAX_REGULATOR		(23)
+
+#define MAX8925_NAME_SIZE		(32)
+
+/* IRQ definitions */
+enum {
+	MAX8925_IRQ_VCHG_DC_OVP,
+	MAX8925_IRQ_VCHG_DC_F,
+	MAX8925_IRQ_VCHG_DC_R,
+	MAX8925_IRQ_VCHG_USB_OVP,
+	MAX8925_IRQ_VCHG_USB_F,
+	MAX8925_IRQ_VCHG_USB_R,
+	MAX8925_IRQ_VCHG_THM_OK_R,
+	MAX8925_IRQ_VCHG_THM_OK_F,
+	MAX8925_IRQ_VCHG_SYSLOW_F,
+	MAX8925_IRQ_VCHG_SYSLOW_R,
+	MAX8925_IRQ_VCHG_RST,
+	MAX8925_IRQ_VCHG_DONE,
+	MAX8925_IRQ_VCHG_TOPOFF,
+	MAX8925_IRQ_VCHG_TMR_FAULT,
+	MAX8925_IRQ_GPM_RSTIN,
+	MAX8925_IRQ_GPM_MPL,
+	MAX8925_IRQ_GPM_SW_3SEC,
+	MAX8925_IRQ_GPM_EXTON_F,
+	MAX8925_IRQ_GPM_EXTON_R,
+	MAX8925_IRQ_GPM_SW_1SEC,
+	MAX8925_IRQ_GPM_SW_F,
+	MAX8925_IRQ_GPM_SW_R,
+	MAX8925_IRQ_GPM_SYSCKEN_F,
+	MAX8925_IRQ_GPM_SYSCKEN_R,
+	MAX8925_IRQ_RTC_ALARM1,
+	MAX8925_IRQ_RTC_ALARM0,
+	MAX8925_IRQ_TSC_STICK,
+	MAX8925_IRQ_TSC_NSTICK,
+	MAX8925_NR_IRQS,
+};
+
+struct max8925_chip {
+	struct device		*dev;
+	struct i2c_client	*i2c;
+	struct i2c_client	*adc;
+	struct i2c_client	*rtc;
+	struct mutex		io_lock;
+	struct mutex		irq_lock;
+
+	int			irq_base;
+	int			core_irq;
+	int			tsc_irq;
+};
+
+struct max8925_backlight_pdata {
+	int	lxw_scl;	/* 0/1 -- 0.8Ohm/0.4Ohm */
+	int	lxw_freq;	/* 700KHz ~ 1400KHz */
+	int	dual_string;	/* 0/1 -- single/dual string */
+};
+
+struct max8925_touch_pdata {
+	unsigned int		flags;
+};
+
+struct max8925_power_pdata {
+	int		(*set_charger)(int);
+	unsigned	batt_detect:1;
+	unsigned	topoff_threshold:2;
+	unsigned	fast_charge:3;	/* charge current */
+};
+
+/*
+ * irq_base: stores IRQ base number of MAX8925 in platform
+ * tsc_irq: stores IRQ number of MAX8925 TSC
+ */
+struct max8925_platform_data {
+	struct max8925_backlight_pdata	*backlight;
+	struct max8925_touch_pdata	*touch;
+	struct max8925_power_pdata	*power;
+	struct regulator_init_data	*regulator[MAX8925_MAX_REGULATOR];
+
+	int		irq_base;
+	int		tsc_irq;
+};
+
+extern int max8925_reg_read(struct i2c_client *, int);
+extern int max8925_reg_write(struct i2c_client *, int, unsigned char);
+extern int max8925_bulk_read(struct i2c_client *, int, int, unsigned char *);
+extern int max8925_bulk_write(struct i2c_client *, int, int, unsigned char *);
+extern int max8925_set_bits(struct i2c_client *, int, unsigned char,
+			unsigned char);
+
+extern int max8925_device_init(struct max8925_chip *,
+				struct max8925_platform_data *);
+extern void max8925_device_exit(struct max8925_chip *);
+#endif /* __LINUX_MFD_MAX8925_H */
+
diff --git a/include/linux/mfd/mc13783.h b/include/linux/mfd/mc13783.h
index 35680409b8cf..8895d9d8879c 100644
--- a/include/linux/mfd/mc13783.h
+++ b/include/linux/mfd/mc13783.h
@@ -26,10 +26,30 @@ int mc13783_irq_request(struct mc13783 *mc13783, int irq,
 int mc13783_irq_request_nounmask(struct mc13783 *mc13783, int irq,
 		irq_handler_t handler, const char *name, void *dev);
 int mc13783_irq_free(struct mc13783 *mc13783, int irq, void *dev);
-int mc13783_ackirq(struct mc13783 *mc13783, int irq);
 
-int mc13783_mask(struct mc13783 *mc13783, int irq);
-int mc13783_unmask(struct mc13783 *mc13783, int irq);
+int mc13783_irq_mask(struct mc13783 *mc13783, int irq);
+int mc13783_irq_unmask(struct mc13783 *mc13783, int irq);
+int mc13783_irq_status(struct mc13783 *mc13783, int irq,
+		int *enabled, int *pending);
+int mc13783_irq_ack(struct mc13783 *mc13783, int irq);
+
+static inline int mc13783_mask(struct mc13783 *mc13783, int irq) __deprecated;
+static inline int mc13783_mask(struct mc13783 *mc13783, int irq)
+{
+	return mc13783_irq_mask(mc13783, irq);
+}
+
+static inline int mc13783_unmask(struct mc13783 *mc13783, int irq) __deprecated;
+static inline int mc13783_unmask(struct mc13783 *mc13783, int irq)
+{
+	return mc13783_irq_unmask(mc13783, irq);
+}
+
+static inline int mc13783_ackirq(struct mc13783 *mc13783, int irq) __deprecated;
+static inline int mc13783_ackirq(struct mc13783 *mc13783, int irq)
+{
+	return mc13783_irq_ack(mc13783, irq);
+}
 
 #define MC13783_ADC0		43
 #define MC13783_ADC0_ADREFEN		(1 << 10)
@@ -108,6 +128,8 @@ int mc13783_adc_do_conversion(struct mc13783 *mc13783, unsigned int mode,
 #define	MC13783_REGU_V2		28
 #define	MC13783_REGU_V3		29
 #define	MC13783_REGU_V4		30
+#define	MC13783_REGU_PWGT1SPI	31
+#define	MC13783_REGU_PWGT2SPI	32
 
 #define MC13783_IRQ_ADCDONE	0
 #define MC13783_IRQ_ADCBISDONE	1
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index 9cb1834deffa..c3f7dff8effc 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -59,7 +59,8 @@ void tmio_core_mmc_clk_div(void __iomem *cnf, int shift, int state);
  * data for the MMC controller
  */
 struct tmio_mmc_data {
-	const unsigned int		hclk;
+	unsigned int			hclk;
+	unsigned long			capabilities;
 	void (*set_pwr)(struct platform_device *host, int state);
 	void (*set_clk_div)(struct platform_device *host, int state);
 };
diff --git a/include/linux/mfd/ucb1x00.h b/include/linux/mfd/ucb1x00.h
index aa9c3789bed4..4321f044d1e4 100644
--- a/include/linux/mfd/ucb1x00.h
+++ b/include/linux/mfd/ucb1x00.h
@@ -12,6 +12,7 @@
 
 #include <linux/mfd/mcp.h>
 #include <linux/gpio.h>
+#include <linux/semaphore.h>
 
 #define UCB_IO_DATA	0x00
 #define UCB_IO_DIR	0x01
diff --git a/include/linux/mfd/wm831x/core.h b/include/linux/mfd/wm831x/core.h
index 5184b79c700b..5915f6e3d9ab 100644
--- a/include/linux/mfd/wm831x/core.h
+++ b/include/linux/mfd/wm831x/core.h
@@ -15,6 +15,7 @@
 #ifndef __MFD_WM831X_CORE_H__
 #define __MFD_WM831X_CORE_H__
 
+#include <linux/completion.h>
 #include <linux/interrupt.h>
 
 /*
@@ -254,9 +255,14 @@ struct wm831x {
 	int irq_masks_cur[WM831X_NUM_IRQ_REGS];   /* Currently active value */
 	int irq_masks_cache[WM831X_NUM_IRQ_REGS]; /* Cached hardware value */
 
+	/* Chip revision based flags */
+	unsigned has_gpio_ena:1;  /* Has GPIO enable bit */
+	unsigned has_cs_sts:1;    /* Has current sink status bit */
+
 	int num_gpio;
 
 	struct mutex auxadc_lock;
+	struct completion auxadc_done;
 
 	/* The WM831x has a security key blocking access to certain
 	 * registers.  The mutex is taken by the accessors for locking
diff --git a/include/linux/mfd/wm831x/gpio.h b/include/linux/mfd/wm831x/gpio.h
index 2835614af0e3..9b163c58865f 100644
--- a/include/linux/mfd/wm831x/gpio.h
+++ b/include/linux/mfd/wm831x/gpio.h
@@ -41,6 +41,10 @@
 #define WM831X_GPN_OD_MASK                      0x0200  /* GPN_OD */
 #define WM831X_GPN_OD_SHIFT                          9  /* GPN_OD */
 #define WM831X_GPN_OD_WIDTH                          1  /* GPN_OD */
+#define WM831X_GPN_ENA                          0x0080  /* GPN_ENA */
+#define WM831X_GPN_ENA_MASK                     0x0080  /* GPN_ENA */
+#define WM831X_GPN_ENA_SHIFT                         7  /* GPN_ENA */
+#define WM831X_GPN_ENA_WIDTH                         1  /* GPN_ENA */
 #define WM831X_GPN_TRI                          0x0080  /* GPN_TRI */
 #define WM831X_GPN_TRI_MASK                     0x0080  /* GPN_TRI */
 #define WM831X_GPN_TRI_SHIFT                         7  /* GPN_TRI */
diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h
index 43868899bf49..98fcc977e82b 100644
--- a/include/linux/mfd/wm8350/core.h
+++ b/include/linux/mfd/wm8350/core.h
@@ -16,6 +16,7 @@
 #include <linux/kernel.h>
 #include <linux/mutex.h>
 #include <linux/interrupt.h>
+#include <linux/completion.h>
 
 #include <linux/mfd/wm8350/audio.h>
 #include <linux/mfd/wm8350/gpio.h>
@@ -579,6 +580,8 @@
 
 #define WM8350_NUM_IRQ				63
 
+#define WM8350_NUM_IRQ_REGS 7
+
 struct wm8350_reg_access {
 	u16 readable;		/* Mask of readable bits */
 	u16 writable;		/* Mask of writable bits */
@@ -600,11 +603,6 @@ extern const u16 wm8352_mode3_defaults[];
 
 struct wm8350;
 
-struct wm8350_irq {
-	irq_handler_t handler;
-	void *data;
-};
-
 struct wm8350_hwmon {
 	struct platform_device *pdev;
 	struct device *classdev;
@@ -624,11 +622,13 @@ struct wm8350 {
 	u16 *reg_cache;
 
 	struct mutex auxadc_mutex;
+	struct completion auxadc_done;
 
 	/* Interrupt handling */
-	struct mutex irq_mutex; /* IRQ table mutex */
-	struct wm8350_irq irq[WM8350_NUM_IRQ];
+	struct mutex irq_lock;
 	int chip_irq;
+	int irq_base;
+	u16 irq_masks[WM8350_NUM_IRQ_REGS];
 
 	/* Client devices */
 	struct wm8350_codec codec;
@@ -647,11 +647,13 @@ struct wm8350 {
  *        used by the platform to configure GPIO functions and similar.
  * @irq_high: Set if WM8350 IRQ is active high.
  * @irq_base: Base IRQ for genirq (not currently used).
+ * @gpio_base: Base for gpiolib.
  */
 struct wm8350_platform_data {
 	int (*init)(struct wm8350 *wm8350);
 	int irq_high;
 	int irq_base;
+	int gpio_base;
 };
 
 
@@ -677,12 +679,33 @@ int wm8350_block_write(struct wm8350 *wm8350, int reg, int size, u16 *src);
 /*
  * WM8350 internal interrupts
  */
-int wm8350_register_irq(struct wm8350 *wm8350, int irq,
-			irq_handler_t handler, unsigned long flags,
-			const char *name, void *data);
-int wm8350_free_irq(struct wm8350 *wm8350, int irq);
-int wm8350_mask_irq(struct wm8350 *wm8350, int irq);
-int wm8350_unmask_irq(struct wm8350 *wm8350, int irq);
+static inline int wm8350_register_irq(struct wm8350 *wm8350, int irq,
+				      irq_handler_t handler,
+				      unsigned long flags,
+				      const char *name, void *data)
+{
+	if (!wm8350->irq_base)
+		return -ENODEV;
+
+	return request_threaded_irq(irq + wm8350->irq_base, NULL,
+				    handler, flags, name, data);
+}
+
+static inline void wm8350_free_irq(struct wm8350 *wm8350, int irq, void *data)
+{
+	free_irq(irq + wm8350->irq_base, data);
+}
+
+static inline void wm8350_mask_irq(struct wm8350 *wm8350, int irq)
+{
+	disable_irq(irq + wm8350->irq_base);
+}
+
+static inline void wm8350_unmask_irq(struct wm8350 *wm8350, int irq)
+{
+	enable_irq(irq + wm8350->irq_base);
+}
+
 int wm8350_irq_init(struct wm8350 *wm8350, int irq,
 		    struct wm8350_platform_data *pdata);
 int wm8350_irq_exit(struct wm8350 *wm8350);
diff --git a/include/linux/mfd/wm8350/gpio.h b/include/linux/mfd/wm8350/gpio.h
index 71af3d6ebe9d..d657bcd6d955 100644
--- a/include/linux/mfd/wm8350/gpio.h
+++ b/include/linux/mfd/wm8350/gpio.h
@@ -29,6 +29,7 @@
 #define WM8350_GPIO_FUNCTION_SELECT_2           0x8D
 #define WM8350_GPIO_FUNCTION_SELECT_3           0x8E
 #define WM8350_GPIO_FUNCTION_SELECT_4           0x8F
+#define WM8350_GPIO_LEVEL			0xE6
 
 /*
  * GPIO Functions
diff --git a/include/linux/mfd/wm8350/rtc.h b/include/linux/mfd/wm8350/rtc.h
index 24add2bef6c9..ebd72ffc62d1 100644
--- a/include/linux/mfd/wm8350/rtc.h
+++ b/include/linux/mfd/wm8350/rtc.h
@@ -263,6 +263,7 @@ struct wm8350_rtc {
 	struct platform_device *pdev;
 	struct rtc_device *rtc;
 	int alarm_enabled;      /* used over suspend/resume */
+	int update_enabled;
 };
 
 #endif
diff --git a/include/linux/mfd/wm8994/core.h b/include/linux/mfd/wm8994/core.h
new file mode 100644
index 000000000000..b06ff2846748
--- /dev/null
+++ b/include/linux/mfd/wm8994/core.h
@@ -0,0 +1,54 @@
+/*
+ * include/linux/mfd/wm8994/core.h -- Core interface for WM8994
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM8994_CORE_H__
+#define __MFD_WM8994_CORE_H__
+
+struct regulator_dev;
+struct regulator_bulk_data;
+
+#define WM8994_NUM_GPIO_REGS 11
+#define WM8994_NUM_LDO_REGS 2
+
+struct wm8994 {
+	struct mutex io_lock;
+
+	struct device *dev;
+	int (*read_dev)(struct wm8994 *wm8994, unsigned short reg,
+			int bytes, void *dest);
+	int (*write_dev)(struct wm8994 *wm8994, unsigned short reg,
+			 int bytes, void *src);
+
+	void *control_data;
+
+	int gpio_base;
+
+	/* Used over suspend/resume */
+	u16 ldo_regs[WM8994_NUM_LDO_REGS];
+	u16 gpio_regs[WM8994_NUM_GPIO_REGS];
+
+	struct regulator_dev *dbvdd;
+	struct regulator_bulk_data *supplies;
+};
+
+/* Device I/O API */
+int wm8994_reg_read(struct wm8994 *wm8994, unsigned short reg);
+int wm8994_reg_write(struct wm8994 *wm8994, unsigned short reg,
+		 unsigned short val);
+int wm8994_set_bits(struct wm8994 *wm8994, unsigned short reg,
+		    unsigned short mask, unsigned short val);
+int wm8994_bulk_read(struct wm8994 *wm8994, unsigned short reg,
+		     int count, u16 *buf);
+
+#endif
diff --git a/include/linux/mfd/wm8994/gpio.h b/include/linux/mfd/wm8994/gpio.h
new file mode 100644
index 000000000000..b4d4c22991e8
--- /dev/null
+++ b/include/linux/mfd/wm8994/gpio.h
@@ -0,0 +1,72 @@
+/*
+ * include/linux/mfd/wm8994/gpio.h - GPIO configuration for WM8994
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM8994_GPIO_H__
+#define __MFD_WM8994_GPIO_H__
+
+#define WM8994_GPIO_MAX 11
+
+#define WM8994_GP_FN_PIN_SPECIFIC    0
+#define WM8994_GP_FN_GPIO            1
+#define WM8994_GP_FN_SDOUT           2
+#define WM8994_GP_FN_IRQ             3
+#define WM8994_GP_FN_TEMPERATURE     4
+#define WM8994_GP_FN_MICBIAS1_DET    5
+#define WM8994_GP_FN_MICBIAS1_SHORT  6
+#define WM8994_GP_FN_MICBIAS2_DET    7
+#define WM8994_GP_FN_MICBIAS2_SHORT  8
+#define WM8994_GP_FN_FLL1_LOCK       9
+#define WM8994_GP_FN_FLL2_LOCK      10
+#define WM8994_GP_FN_SRC1_LOCK      11
+#define WM8994_GP_FN_SRC2_LOCK      12
+#define WM8994_GP_FN_DRC1_ACT       13
+#define WM8994_GP_FN_DRC2_ACT       14
+#define WM8994_GP_FN_DRC3_ACT       15
+#define WM8994_GP_FN_WSEQ_STATUS    16
+#define WM8994_GP_FN_FIFO_ERROR     17
+#define WM8994_GP_FN_OPCLK          18
+
+#define WM8994_GPN_DIR                          0x8000  /* GPN_DIR */
+#define WM8994_GPN_DIR_MASK                     0x8000  /* GPN_DIR */
+#define WM8994_GPN_DIR_SHIFT                        15  /* GPN_DIR */
+#define WM8994_GPN_DIR_WIDTH                         1  /* GPN_DIR */
+#define WM8994_GPN_PU                           0x4000  /* GPN_PU */
+#define WM8994_GPN_PU_MASK                      0x4000  /* GPN_PU */
+#define WM8994_GPN_PU_SHIFT                         14  /* GPN_PU */
+#define WM8994_GPN_PU_WIDTH                          1  /* GPN_PU */
+#define WM8994_GPN_PD                           0x2000  /* GPN_PD */
+#define WM8994_GPN_PD_MASK                      0x2000  /* GPN_PD */
+#define WM8994_GPN_PD_SHIFT                         13  /* GPN_PD */
+#define WM8994_GPN_PD_WIDTH                          1  /* GPN_PD */
+#define WM8994_GPN_POL                          0x0400  /* GPN_POL */
+#define WM8994_GPN_POL_MASK                     0x0400  /* GPN_POL */
+#define WM8994_GPN_POL_SHIFT                        10  /* GPN_POL */
+#define WM8994_GPN_POL_WIDTH                         1  /* GPN_POL */
+#define WM8994_GPN_OP_CFG                       0x0200  /* GPN_OP_CFG */
+#define WM8994_GPN_OP_CFG_MASK                  0x0200  /* GPN_OP_CFG */
+#define WM8994_GPN_OP_CFG_SHIFT                      9  /* GPN_OP_CFG */
+#define WM8994_GPN_OP_CFG_WIDTH                      1  /* GPN_OP_CFG */
+#define WM8994_GPN_DB                           0x0100  /* GPN_DB */
+#define WM8994_GPN_DB_MASK                      0x0100  /* GPN_DB */
+#define WM8994_GPN_DB_SHIFT                          8  /* GPN_DB */
+#define WM8994_GPN_DB_WIDTH                          1  /* GPN_DB */
+#define WM8994_GPN_LVL                          0x0040  /* GPN_LVL */
+#define WM8994_GPN_LVL_MASK                     0x0040  /* GPN_LVL */
+#define WM8994_GPN_LVL_SHIFT                         6  /* GPN_LVL */
+#define WM8994_GPN_LVL_WIDTH                         1  /* GPN_LVL */
+#define WM8994_GPN_FN_MASK                      0x001F  /* GPN_FN - [4:0] */
+#define WM8994_GPN_FN_SHIFT                          0  /* GPN_FN - [4:0] */
+#define WM8994_GPN_FN_WIDTH                          5  /* GPN_FN - [4:0] */
+
+#endif
diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h
new file mode 100644
index 000000000000..70d6a8687dc5
--- /dev/null
+++ b/include/linux/mfd/wm8994/pdata.h
@@ -0,0 +1,97 @@
+/*
+ * include/linux/mfd/wm8994/pdata.h -- Platform data for WM8994
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM8994_PDATA_H__
+#define __MFD_WM8994_PDATA_H__
+
+#define WM8994_NUM_LDO   2
+#define WM8994_NUM_GPIO 11
+
+struct wm8994_ldo_pdata {
+	/** GPIOs to enable regulator, 0 or less if not available */
+	int enable;
+
+	const char *supply;
+	struct regulator_init_data *init_data;
+};
+
+#define WM8994_CONFIGURE_GPIO 0x8000
+
+#define WM8994_DRC_REGS 5
+#define WM8994_EQ_REGS  19
+
+/**
+ * DRC configurations are specified with a label and a set of register
+ * values to write (the enable bits will be ignored).  At runtime an
+ * enumerated control will be presented for each DRC block allowing
+ * the user to choose the configration to use.
+ *
+ * Configurations may be generated by hand or by using the DRC control
+ * panel provided by the WISCE - see  http://www.wolfsonmicro.com/wisce/
+ * for details.
+ */
+struct wm8994_drc_cfg {
+        const char *name;
+        u16 regs[WM8994_DRC_REGS];
+};
+
+/**
+ * ReTune Mobile configurations are specified with a label, sample
+ * rate and set of values to write (the enable bits will be ignored).
+ *
+ * Configurations are expected to be generated using the ReTune Mobile
+ * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
+ */
+struct wm8994_retune_mobile_cfg {
+        const char *name;
+        unsigned int rate;
+        u16 regs[WM8994_EQ_REGS];
+};
+
+struct wm8994_pdata {
+	int gpio_base;
+
+	/**
+	 * Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO
+	 * can be used for all zero values.
+	 */
+	int gpio_defaults[WM8994_NUM_GPIO];
+
+	struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO];
+
+
+        int num_drc_cfgs;
+        struct wm8994_drc_cfg *drc_cfgs;
+
+        int num_retune_mobile_cfgs;
+        struct wm8994_retune_mobile_cfg *retune_mobile_cfgs;
+
+        /* LINEOUT can be differential or single ended */
+        unsigned int lineout1_diff:1;
+        unsigned int lineout2_diff:1;
+
+        /* Common mode feedback */
+        unsigned int lineout1fb:1;
+        unsigned int lineout2fb:1;
+
+        /* Microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
+        unsigned int micbias1_lvl:1;
+        unsigned int micbias2_lvl:1;
+
+        /* Jack detect threashold levels, see datasheet for values */
+        unsigned int jd_scthr:2;
+        unsigned int jd_thr:2;
+};
+
+#endif
diff --git a/include/linux/mfd/wm8994/registers.h b/include/linux/mfd/wm8994/registers.h
new file mode 100644
index 000000000000..967f62f54159
--- /dev/null
+++ b/include/linux/mfd/wm8994/registers.h
@@ -0,0 +1,4292 @@
+/*
+ * include/linux/mfd/wm8994/registers.h -- Register definitions for WM8994
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#ifndef __MFD_WM8994_REGISTERS_H__
+#define __MFD_WM8994_REGISTERS_H__
+
+/*
+ * Register values.
+ */
+#define WM8994_SOFTWARE_RESET                   0x00
+#define WM8994_POWER_MANAGEMENT_1               0x01
+#define WM8994_POWER_MANAGEMENT_2               0x02
+#define WM8994_POWER_MANAGEMENT_3               0x03
+#define WM8994_POWER_MANAGEMENT_4               0x04
+#define WM8994_POWER_MANAGEMENT_5               0x05
+#define WM8994_POWER_MANAGEMENT_6               0x06
+#define WM8994_INPUT_MIXER_1                    0x15
+#define WM8994_LEFT_LINE_INPUT_1_2_VOLUME       0x18
+#define WM8994_LEFT_LINE_INPUT_3_4_VOLUME       0x19
+#define WM8994_RIGHT_LINE_INPUT_1_2_VOLUME      0x1A
+#define WM8994_RIGHT_LINE_INPUT_3_4_VOLUME      0x1B
+#define WM8994_LEFT_OUTPUT_VOLUME               0x1C
+#define WM8994_RIGHT_OUTPUT_VOLUME              0x1D
+#define WM8994_LINE_OUTPUTS_VOLUME              0x1E
+#define WM8994_HPOUT2_VOLUME                    0x1F
+#define WM8994_LEFT_OPGA_VOLUME                 0x20
+#define WM8994_RIGHT_OPGA_VOLUME                0x21
+#define WM8994_SPKMIXL_ATTENUATION              0x22
+#define WM8994_SPKMIXR_ATTENUATION              0x23
+#define WM8994_SPKOUT_MIXERS                    0x24
+#define WM8994_CLASSD                           0x25
+#define WM8994_SPEAKER_VOLUME_LEFT              0x26
+#define WM8994_SPEAKER_VOLUME_RIGHT             0x27
+#define WM8994_INPUT_MIXER_2                    0x28
+#define WM8994_INPUT_MIXER_3                    0x29
+#define WM8994_INPUT_MIXER_4                    0x2A
+#define WM8994_INPUT_MIXER_5                    0x2B
+#define WM8994_INPUT_MIXER_6                    0x2C
+#define WM8994_OUTPUT_MIXER_1                   0x2D
+#define WM8994_OUTPUT_MIXER_2                   0x2E
+#define WM8994_OUTPUT_MIXER_3                   0x2F
+#define WM8994_OUTPUT_MIXER_4                   0x30
+#define WM8994_OUTPUT_MIXER_5                   0x31
+#define WM8994_OUTPUT_MIXER_6                   0x32
+#define WM8994_HPOUT2_MIXER                     0x33
+#define WM8994_LINE_MIXER_1                     0x34
+#define WM8994_LINE_MIXER_2                     0x35
+#define WM8994_SPEAKER_MIXER                    0x36
+#define WM8994_ADDITIONAL_CONTROL               0x37
+#define WM8994_ANTIPOP_1                        0x38
+#define WM8994_ANTIPOP_2                        0x39
+#define WM8994_MICBIAS                          0x3A
+#define WM8994_LDO_1                            0x3B
+#define WM8994_LDO_2                            0x3C
+#define WM8994_CHARGE_PUMP_1                    0x4C
+#define WM8994_CLASS_W_1                        0x51
+#define WM8994_DC_SERVO_1                       0x54
+#define WM8994_DC_SERVO_2                       0x55
+#define WM8994_DC_SERVO_4                       0x57
+#define WM8994_DC_SERVO_READBACK                0x58
+#define WM8994_ANALOGUE_HP_1                    0x60
+#define WM8994_CHIP_REVISION                    0x100
+#define WM8994_CONTROL_INTERFACE                0x101
+#define WM8994_WRITE_SEQUENCER_CTRL_1           0x110
+#define WM8994_WRITE_SEQUENCER_CTRL_2           0x111
+#define WM8994_AIF1_CLOCKING_1                  0x200
+#define WM8994_AIF1_CLOCKING_2                  0x201
+#define WM8994_AIF2_CLOCKING_1                  0x204
+#define WM8994_AIF2_CLOCKING_2                  0x205
+#define WM8994_CLOCKING_1                       0x208
+#define WM8994_CLOCKING_2                       0x209
+#define WM8994_AIF1_RATE                        0x210
+#define WM8994_AIF2_RATE                        0x211
+#define WM8994_RATE_STATUS                      0x212
+#define WM8994_FLL1_CONTROL_1                   0x220
+#define WM8994_FLL1_CONTROL_2                   0x221
+#define WM8994_FLL1_CONTROL_3                   0x222
+#define WM8994_FLL1_CONTROL_4                   0x223
+#define WM8994_FLL1_CONTROL_5                   0x224
+#define WM8994_FLL2_CONTROL_1                   0x240
+#define WM8994_FLL2_CONTROL_2                   0x241
+#define WM8994_FLL2_CONTROL_3                   0x242
+#define WM8994_FLL2_CONTROL_4                   0x243
+#define WM8994_FLL2_CONTROL_5                   0x244
+#define WM8994_AIF1_CONTROL_1                   0x300
+#define WM8994_AIF1_CONTROL_2                   0x301
+#define WM8994_AIF1_MASTER_SLAVE                0x302
+#define WM8994_AIF1_BCLK                        0x303
+#define WM8994_AIF1ADC_LRCLK                    0x304
+#define WM8994_AIF1DAC_LRCLK                    0x305
+#define WM8994_AIF1DAC_DATA                     0x306
+#define WM8994_AIF1ADC_DATA                     0x307
+#define WM8994_AIF2_CONTROL_1                   0x310
+#define WM8994_AIF2_CONTROL_2                   0x311
+#define WM8994_AIF2_MASTER_SLAVE                0x312
+#define WM8994_AIF2_BCLK                        0x313
+#define WM8994_AIF2ADC_LRCLK                    0x314
+#define WM8994_AIF2DAC_LRCLK                    0x315
+#define WM8994_AIF2DAC_DATA                     0x316
+#define WM8994_AIF2ADC_DATA                     0x317
+#define WM8994_AIF1_ADC1_LEFT_VOLUME            0x400
+#define WM8994_AIF1_ADC1_RIGHT_VOLUME           0x401
+#define WM8994_AIF1_DAC1_LEFT_VOLUME            0x402
+#define WM8994_AIF1_DAC1_RIGHT_VOLUME           0x403
+#define WM8994_AIF1_ADC2_LEFT_VOLUME            0x404
+#define WM8994_AIF1_ADC2_RIGHT_VOLUME           0x405
+#define WM8994_AIF1_DAC2_LEFT_VOLUME            0x406
+#define WM8994_AIF1_DAC2_RIGHT_VOLUME           0x407
+#define WM8994_AIF1_ADC1_FILTERS                0x410
+#define WM8994_AIF1_ADC2_FILTERS                0x411
+#define WM8994_AIF1_DAC1_FILTERS_1              0x420
+#define WM8994_AIF1_DAC1_FILTERS_2              0x421
+#define WM8994_AIF1_DAC2_FILTERS_1              0x422
+#define WM8994_AIF1_DAC2_FILTERS_2              0x423
+#define WM8994_AIF1_DRC1_1                      0x440
+#define WM8994_AIF1_DRC1_2                      0x441
+#define WM8994_AIF1_DRC1_3                      0x442
+#define WM8994_AIF1_DRC1_4                      0x443
+#define WM8994_AIF1_DRC1_5                      0x444
+#define WM8994_AIF1_DRC2_1                      0x450
+#define WM8994_AIF1_DRC2_2                      0x451
+#define WM8994_AIF1_DRC2_3                      0x452
+#define WM8994_AIF1_DRC2_4                      0x453
+#define WM8994_AIF1_DRC2_5                      0x454
+#define WM8994_AIF1_DAC1_EQ_GAINS_1             0x480
+#define WM8994_AIF1_DAC1_EQ_GAINS_2             0x481
+#define WM8994_AIF1_DAC1_EQ_BAND_1_A            0x482
+#define WM8994_AIF1_DAC1_EQ_BAND_1_B            0x483
+#define WM8994_AIF1_DAC1_EQ_BAND_1_PG           0x484
+#define WM8994_AIF1_DAC1_EQ_BAND_2_A            0x485
+#define WM8994_AIF1_DAC1_EQ_BAND_2_B            0x486
+#define WM8994_AIF1_DAC1_EQ_BAND_2_C            0x487
+#define WM8994_AIF1_DAC1_EQ_BAND_2_PG           0x488
+#define WM8994_AIF1_DAC1_EQ_BAND_3_A            0x489
+#define WM8994_AIF1_DAC1_EQ_BAND_3_B            0x48A
+#define WM8994_AIF1_DAC1_EQ_BAND_3_C            0x48B
+#define WM8994_AIF1_DAC1_EQ_BAND_3_PG           0x48C
+#define WM8994_AIF1_DAC1_EQ_BAND_4_A            0x48D
+#define WM8994_AIF1_DAC1_EQ_BAND_4_B            0x48E
+#define WM8994_AIF1_DAC1_EQ_BAND_4_C            0x48F
+#define WM8994_AIF1_DAC1_EQ_BAND_4_PG           0x490
+#define WM8994_AIF1_DAC1_EQ_BAND_5_A            0x491
+#define WM8994_AIF1_DAC1_EQ_BAND_5_B            0x492
+#define WM8994_AIF1_DAC1_EQ_BAND_5_PG           0x493
+#define WM8994_AIF1_DAC2_EQ_GAINS_1             0x4A0
+#define WM8994_AIF1_DAC2_EQ_GAINS_2             0x4A1
+#define WM8994_AIF1_DAC2_EQ_BAND_1_A            0x4A2
+#define WM8994_AIF1_DAC2_EQ_BAND_1_B            0x4A3
+#define WM8994_AIF1_DAC2_EQ_BAND_1_PG           0x4A4
+#define WM8994_AIF1_DAC2_EQ_BAND_2_A            0x4A5
+#define WM8994_AIF1_DAC2_EQ_BAND_2_B            0x4A6
+#define WM8994_AIF1_DAC2_EQ_BAND_2_C            0x4A7
+#define WM8994_AIF1_DAC2_EQ_BAND_2_PG           0x4A8
+#define WM8994_AIF1_DAC2_EQ_BAND_3_A            0x4A9
+#define WM8994_AIF1_DAC2_EQ_BAND_3_B            0x4AA
+#define WM8994_AIF1_DAC2_EQ_BAND_3_C            0x4AB
+#define WM8994_AIF1_DAC2_EQ_BAND_3_PG           0x4AC
+#define WM8994_AIF1_DAC2_EQ_BAND_4_A            0x4AD
+#define WM8994_AIF1_DAC2_EQ_BAND_4_B            0x4AE
+#define WM8994_AIF1_DAC2_EQ_BAND_4_C            0x4AF
+#define WM8994_AIF1_DAC2_EQ_BAND_4_PG           0x4B0
+#define WM8994_AIF1_DAC2_EQ_BAND_5_A            0x4B1
+#define WM8994_AIF1_DAC2_EQ_BAND_5_B            0x4B2
+#define WM8994_AIF1_DAC2_EQ_BAND_5_PG           0x4B3
+#define WM8994_AIF2_ADC_LEFT_VOLUME             0x500
+#define WM8994_AIF2_ADC_RIGHT_VOLUME            0x501
+#define WM8994_AIF2_DAC_LEFT_VOLUME             0x502
+#define WM8994_AIF2_DAC_RIGHT_VOLUME            0x503
+#define WM8994_AIF2_ADC_FILTERS                 0x510
+#define WM8994_AIF2_DAC_FILTERS_1               0x520
+#define WM8994_AIF2_DAC_FILTERS_2               0x521
+#define WM8994_AIF2_DRC_1                       0x540
+#define WM8994_AIF2_DRC_2                       0x541
+#define WM8994_AIF2_DRC_3                       0x542
+#define WM8994_AIF2_DRC_4                       0x543
+#define WM8994_AIF2_DRC_5                       0x544
+#define WM8994_AIF2_EQ_GAINS_1                  0x580
+#define WM8994_AIF2_EQ_GAINS_2                  0x581
+#define WM8994_AIF2_EQ_BAND_1_A                 0x582
+#define WM8994_AIF2_EQ_BAND_1_B                 0x583
+#define WM8994_AIF2_EQ_BAND_1_PG                0x584
+#define WM8994_AIF2_EQ_BAND_2_A                 0x585
+#define WM8994_AIF2_EQ_BAND_2_B                 0x586
+#define WM8994_AIF2_EQ_BAND_2_C                 0x587
+#define WM8994_AIF2_EQ_BAND_2_PG                0x588
+#define WM8994_AIF2_EQ_BAND_3_A                 0x589
+#define WM8994_AIF2_EQ_BAND_3_B                 0x58A
+#define WM8994_AIF2_EQ_BAND_3_C                 0x58B
+#define WM8994_AIF2_EQ_BAND_3_PG                0x58C
+#define WM8994_AIF2_EQ_BAND_4_A                 0x58D
+#define WM8994_AIF2_EQ_BAND_4_B                 0x58E
+#define WM8994_AIF2_EQ_BAND_4_C                 0x58F
+#define WM8994_AIF2_EQ_BAND_4_PG                0x590
+#define WM8994_AIF2_EQ_BAND_5_A                 0x591
+#define WM8994_AIF2_EQ_BAND_5_B                 0x592
+#define WM8994_AIF2_EQ_BAND_5_PG                0x593
+#define WM8994_DAC1_MIXER_VOLUMES               0x600
+#define WM8994_DAC1_LEFT_MIXER_ROUTING          0x601
+#define WM8994_DAC1_RIGHT_MIXER_ROUTING         0x602
+#define WM8994_DAC2_MIXER_VOLUMES               0x603
+#define WM8994_DAC2_LEFT_MIXER_ROUTING          0x604
+#define WM8994_DAC2_RIGHT_MIXER_ROUTING         0x605
+#define WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING     0x606
+#define WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING    0x607
+#define WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING     0x608
+#define WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING    0x609
+#define WM8994_DAC1_LEFT_VOLUME                 0x610
+#define WM8994_DAC1_RIGHT_VOLUME                0x611
+#define WM8994_DAC2_LEFT_VOLUME                 0x612
+#define WM8994_DAC2_RIGHT_VOLUME                0x613
+#define WM8994_DAC_SOFTMUTE                     0x614
+#define WM8994_OVERSAMPLING                     0x620
+#define WM8994_SIDETONE                         0x621
+#define WM8994_GPIO_1                           0x700
+#define WM8994_GPIO_2                           0x701
+#define WM8994_GPIO_3                           0x702
+#define WM8994_GPIO_4                           0x703
+#define WM8994_GPIO_5                           0x704
+#define WM8994_GPIO_6                           0x705
+#define WM8994_GPIO_7                           0x706
+#define WM8994_GPIO_8                           0x707
+#define WM8994_GPIO_9                           0x708
+#define WM8994_GPIO_10                          0x709
+#define WM8994_GPIO_11                          0x70A
+#define WM8994_PULL_CONTROL_1                   0x720
+#define WM8994_PULL_CONTROL_2                   0x721
+#define WM8994_INTERRUPT_STATUS_1               0x730
+#define WM8994_INTERRUPT_STATUS_2               0x731
+#define WM8994_INTERRUPT_RAW_STATUS_2           0x732
+#define WM8994_INTERRUPT_STATUS_1_MASK          0x738
+#define WM8994_INTERRUPT_STATUS_2_MASK          0x739
+#define WM8994_INTERRUPT_CONTROL                0x740
+#define WM8994_IRQ_DEBOUNCE                     0x748
+#define WM8994_WRITE_SEQUENCER_0                0x3000
+#define WM8994_WRITE_SEQUENCER_1                0x3001
+#define WM8994_WRITE_SEQUENCER_2                0x3002
+#define WM8994_WRITE_SEQUENCER_3                0x3003
+#define WM8994_WRITE_SEQUENCER_4                0x3004
+#define WM8994_WRITE_SEQUENCER_5                0x3005
+#define WM8994_WRITE_SEQUENCER_6                0x3006
+#define WM8994_WRITE_SEQUENCER_7                0x3007
+#define WM8994_WRITE_SEQUENCER_8                0x3008
+#define WM8994_WRITE_SEQUENCER_9                0x3009
+#define WM8994_WRITE_SEQUENCER_10               0x300A
+#define WM8994_WRITE_SEQUENCER_11               0x300B
+#define WM8994_WRITE_SEQUENCER_12               0x300C
+#define WM8994_WRITE_SEQUENCER_13               0x300D
+#define WM8994_WRITE_SEQUENCER_14               0x300E
+#define WM8994_WRITE_SEQUENCER_15               0x300F
+#define WM8994_WRITE_SEQUENCER_16               0x3010
+#define WM8994_WRITE_SEQUENCER_17               0x3011
+#define WM8994_WRITE_SEQUENCER_18               0x3012
+#define WM8994_WRITE_SEQUENCER_19               0x3013
+#define WM8994_WRITE_SEQUENCER_20               0x3014
+#define WM8994_WRITE_SEQUENCER_21               0x3015
+#define WM8994_WRITE_SEQUENCER_22               0x3016
+#define WM8994_WRITE_SEQUENCER_23               0x3017
+#define WM8994_WRITE_SEQUENCER_24               0x3018
+#define WM8994_WRITE_SEQUENCER_25               0x3019
+#define WM8994_WRITE_SEQUENCER_26               0x301A
+#define WM8994_WRITE_SEQUENCER_27               0x301B
+#define WM8994_WRITE_SEQUENCER_28               0x301C
+#define WM8994_WRITE_SEQUENCER_29               0x301D
+#define WM8994_WRITE_SEQUENCER_30               0x301E
+#define WM8994_WRITE_SEQUENCER_31               0x301F
+#define WM8994_WRITE_SEQUENCER_32               0x3020
+#define WM8994_WRITE_SEQUENCER_33               0x3021
+#define WM8994_WRITE_SEQUENCER_34               0x3022
+#define WM8994_WRITE_SEQUENCER_35               0x3023
+#define WM8994_WRITE_SEQUENCER_36               0x3024
+#define WM8994_WRITE_SEQUENCER_37               0x3025
+#define WM8994_WRITE_SEQUENCER_38               0x3026
+#define WM8994_WRITE_SEQUENCER_39               0x3027
+#define WM8994_WRITE_SEQUENCER_40               0x3028
+#define WM8994_WRITE_SEQUENCER_41               0x3029
+#define WM8994_WRITE_SEQUENCER_42               0x302A
+#define WM8994_WRITE_SEQUENCER_43               0x302B
+#define WM8994_WRITE_SEQUENCER_44               0x302C
+#define WM8994_WRITE_SEQUENCER_45               0x302D
+#define WM8994_WRITE_SEQUENCER_46               0x302E
+#define WM8994_WRITE_SEQUENCER_47               0x302F
+#define WM8994_WRITE_SEQUENCER_48               0x3030
+#define WM8994_WRITE_SEQUENCER_49               0x3031
+#define WM8994_WRITE_SEQUENCER_50               0x3032
+#define WM8994_WRITE_SEQUENCER_51               0x3033
+#define WM8994_WRITE_SEQUENCER_52               0x3034
+#define WM8994_WRITE_SEQUENCER_53               0x3035
+#define WM8994_WRITE_SEQUENCER_54               0x3036
+#define WM8994_WRITE_SEQUENCER_55               0x3037
+#define WM8994_WRITE_SEQUENCER_56               0x3038
+#define WM8994_WRITE_SEQUENCER_57               0x3039
+#define WM8994_WRITE_SEQUENCER_58               0x303A
+#define WM8994_WRITE_SEQUENCER_59               0x303B
+#define WM8994_WRITE_SEQUENCER_60               0x303C
+#define WM8994_WRITE_SEQUENCER_61               0x303D
+#define WM8994_WRITE_SEQUENCER_62               0x303E
+#define WM8994_WRITE_SEQUENCER_63               0x303F
+#define WM8994_WRITE_SEQUENCER_64               0x3040
+#define WM8994_WRITE_SEQUENCER_65               0x3041
+#define WM8994_WRITE_SEQUENCER_66               0x3042
+#define WM8994_WRITE_SEQUENCER_67               0x3043
+#define WM8994_WRITE_SEQUENCER_68               0x3044
+#define WM8994_WRITE_SEQUENCER_69               0x3045
+#define WM8994_WRITE_SEQUENCER_70               0x3046
+#define WM8994_WRITE_SEQUENCER_71               0x3047
+#define WM8994_WRITE_SEQUENCER_72               0x3048
+#define WM8994_WRITE_SEQUENCER_73               0x3049
+#define WM8994_WRITE_SEQUENCER_74               0x304A
+#define WM8994_WRITE_SEQUENCER_75               0x304B
+#define WM8994_WRITE_SEQUENCER_76               0x304C
+#define WM8994_WRITE_SEQUENCER_77               0x304D
+#define WM8994_WRITE_SEQUENCER_78               0x304E
+#define WM8994_WRITE_SEQUENCER_79               0x304F
+#define WM8994_WRITE_SEQUENCER_80               0x3050
+#define WM8994_WRITE_SEQUENCER_81               0x3051
+#define WM8994_WRITE_SEQUENCER_82               0x3052
+#define WM8994_WRITE_SEQUENCER_83               0x3053
+#define WM8994_WRITE_SEQUENCER_84               0x3054
+#define WM8994_WRITE_SEQUENCER_85               0x3055
+#define WM8994_WRITE_SEQUENCER_86               0x3056
+#define WM8994_WRITE_SEQUENCER_87               0x3057
+#define WM8994_WRITE_SEQUENCER_88               0x3058
+#define WM8994_WRITE_SEQUENCER_89               0x3059
+#define WM8994_WRITE_SEQUENCER_90               0x305A
+#define WM8994_WRITE_SEQUENCER_91               0x305B
+#define WM8994_WRITE_SEQUENCER_92               0x305C
+#define WM8994_WRITE_SEQUENCER_93               0x305D
+#define WM8994_WRITE_SEQUENCER_94               0x305E
+#define WM8994_WRITE_SEQUENCER_95               0x305F
+#define WM8994_WRITE_SEQUENCER_96               0x3060
+#define WM8994_WRITE_SEQUENCER_97               0x3061
+#define WM8994_WRITE_SEQUENCER_98               0x3062
+#define WM8994_WRITE_SEQUENCER_99               0x3063
+#define WM8994_WRITE_SEQUENCER_100              0x3064
+#define WM8994_WRITE_SEQUENCER_101              0x3065
+#define WM8994_WRITE_SEQUENCER_102              0x3066
+#define WM8994_WRITE_SEQUENCER_103              0x3067
+#define WM8994_WRITE_SEQUENCER_104              0x3068
+#define WM8994_WRITE_SEQUENCER_105              0x3069
+#define WM8994_WRITE_SEQUENCER_106              0x306A
+#define WM8994_WRITE_SEQUENCER_107              0x306B
+#define WM8994_WRITE_SEQUENCER_108              0x306C
+#define WM8994_WRITE_SEQUENCER_109              0x306D
+#define WM8994_WRITE_SEQUENCER_110              0x306E
+#define WM8994_WRITE_SEQUENCER_111              0x306F
+#define WM8994_WRITE_SEQUENCER_112              0x3070
+#define WM8994_WRITE_SEQUENCER_113              0x3071
+#define WM8994_WRITE_SEQUENCER_114              0x3072
+#define WM8994_WRITE_SEQUENCER_115              0x3073
+#define WM8994_WRITE_SEQUENCER_116              0x3074
+#define WM8994_WRITE_SEQUENCER_117              0x3075
+#define WM8994_WRITE_SEQUENCER_118              0x3076
+#define WM8994_WRITE_SEQUENCER_119              0x3077
+#define WM8994_WRITE_SEQUENCER_120              0x3078
+#define WM8994_WRITE_SEQUENCER_121              0x3079
+#define WM8994_WRITE_SEQUENCER_122              0x307A
+#define WM8994_WRITE_SEQUENCER_123              0x307B
+#define WM8994_WRITE_SEQUENCER_124              0x307C
+#define WM8994_WRITE_SEQUENCER_125              0x307D
+#define WM8994_WRITE_SEQUENCER_126              0x307E
+#define WM8994_WRITE_SEQUENCER_127              0x307F
+#define WM8994_WRITE_SEQUENCER_128              0x3080
+#define WM8994_WRITE_SEQUENCER_129              0x3081
+#define WM8994_WRITE_SEQUENCER_130              0x3082
+#define WM8994_WRITE_SEQUENCER_131              0x3083
+#define WM8994_WRITE_SEQUENCER_132              0x3084
+#define WM8994_WRITE_SEQUENCER_133              0x3085
+#define WM8994_WRITE_SEQUENCER_134              0x3086
+#define WM8994_WRITE_SEQUENCER_135              0x3087
+#define WM8994_WRITE_SEQUENCER_136              0x3088
+#define WM8994_WRITE_SEQUENCER_137              0x3089
+#define WM8994_WRITE_SEQUENCER_138              0x308A
+#define WM8994_WRITE_SEQUENCER_139              0x308B
+#define WM8994_WRITE_SEQUENCER_140              0x308C
+#define WM8994_WRITE_SEQUENCER_141              0x308D
+#define WM8994_WRITE_SEQUENCER_142              0x308E
+#define WM8994_WRITE_SEQUENCER_143              0x308F
+#define WM8994_WRITE_SEQUENCER_144              0x3090
+#define WM8994_WRITE_SEQUENCER_145              0x3091
+#define WM8994_WRITE_SEQUENCER_146              0x3092
+#define WM8994_WRITE_SEQUENCER_147              0x3093
+#define WM8994_WRITE_SEQUENCER_148              0x3094
+#define WM8994_WRITE_SEQUENCER_149              0x3095
+#define WM8994_WRITE_SEQUENCER_150              0x3096
+#define WM8994_WRITE_SEQUENCER_151              0x3097
+#define WM8994_WRITE_SEQUENCER_152              0x3098
+#define WM8994_WRITE_SEQUENCER_153              0x3099
+#define WM8994_WRITE_SEQUENCER_154              0x309A
+#define WM8994_WRITE_SEQUENCER_155              0x309B
+#define WM8994_WRITE_SEQUENCER_156              0x309C
+#define WM8994_WRITE_SEQUENCER_157              0x309D
+#define WM8994_WRITE_SEQUENCER_158              0x309E
+#define WM8994_WRITE_SEQUENCER_159              0x309F
+#define WM8994_WRITE_SEQUENCER_160              0x30A0
+#define WM8994_WRITE_SEQUENCER_161              0x30A1
+#define WM8994_WRITE_SEQUENCER_162              0x30A2
+#define WM8994_WRITE_SEQUENCER_163              0x30A3
+#define WM8994_WRITE_SEQUENCER_164              0x30A4
+#define WM8994_WRITE_SEQUENCER_165              0x30A5
+#define WM8994_WRITE_SEQUENCER_166              0x30A6
+#define WM8994_WRITE_SEQUENCER_167              0x30A7
+#define WM8994_WRITE_SEQUENCER_168              0x30A8
+#define WM8994_WRITE_SEQUENCER_169              0x30A9
+#define WM8994_WRITE_SEQUENCER_170              0x30AA
+#define WM8994_WRITE_SEQUENCER_171              0x30AB
+#define WM8994_WRITE_SEQUENCER_172              0x30AC
+#define WM8994_WRITE_SEQUENCER_173              0x30AD
+#define WM8994_WRITE_SEQUENCER_174              0x30AE
+#define WM8994_WRITE_SEQUENCER_175              0x30AF
+#define WM8994_WRITE_SEQUENCER_176              0x30B0
+#define WM8994_WRITE_SEQUENCER_177              0x30B1
+#define WM8994_WRITE_SEQUENCER_178              0x30B2
+#define WM8994_WRITE_SEQUENCER_179              0x30B3
+#define WM8994_WRITE_SEQUENCER_180              0x30B4
+#define WM8994_WRITE_SEQUENCER_181              0x30B5
+#define WM8994_WRITE_SEQUENCER_182              0x30B6
+#define WM8994_WRITE_SEQUENCER_183              0x30B7
+#define WM8994_WRITE_SEQUENCER_184              0x30B8
+#define WM8994_WRITE_SEQUENCER_185              0x30B9
+#define WM8994_WRITE_SEQUENCER_186              0x30BA
+#define WM8994_WRITE_SEQUENCER_187              0x30BB
+#define WM8994_WRITE_SEQUENCER_188              0x30BC
+#define WM8994_WRITE_SEQUENCER_189              0x30BD
+#define WM8994_WRITE_SEQUENCER_190              0x30BE
+#define WM8994_WRITE_SEQUENCER_191              0x30BF
+#define WM8994_WRITE_SEQUENCER_192              0x30C0
+#define WM8994_WRITE_SEQUENCER_193              0x30C1
+#define WM8994_WRITE_SEQUENCER_194              0x30C2
+#define WM8994_WRITE_SEQUENCER_195              0x30C3
+#define WM8994_WRITE_SEQUENCER_196              0x30C4
+#define WM8994_WRITE_SEQUENCER_197              0x30C5
+#define WM8994_WRITE_SEQUENCER_198              0x30C6
+#define WM8994_WRITE_SEQUENCER_199              0x30C7
+#define WM8994_WRITE_SEQUENCER_200              0x30C8
+#define WM8994_WRITE_SEQUENCER_201              0x30C9
+#define WM8994_WRITE_SEQUENCER_202              0x30CA
+#define WM8994_WRITE_SEQUENCER_203              0x30CB
+#define WM8994_WRITE_SEQUENCER_204              0x30CC
+#define WM8994_WRITE_SEQUENCER_205              0x30CD
+#define WM8994_WRITE_SEQUENCER_206              0x30CE
+#define WM8994_WRITE_SEQUENCER_207              0x30CF
+#define WM8994_WRITE_SEQUENCER_208              0x30D0
+#define WM8994_WRITE_SEQUENCER_209              0x30D1
+#define WM8994_WRITE_SEQUENCER_210              0x30D2
+#define WM8994_WRITE_SEQUENCER_211              0x30D3
+#define WM8994_WRITE_SEQUENCER_212              0x30D4
+#define WM8994_WRITE_SEQUENCER_213              0x30D5
+#define WM8994_WRITE_SEQUENCER_214              0x30D6
+#define WM8994_WRITE_SEQUENCER_215              0x30D7
+#define WM8994_WRITE_SEQUENCER_216              0x30D8
+#define WM8994_WRITE_SEQUENCER_217              0x30D9
+#define WM8994_WRITE_SEQUENCER_218              0x30DA
+#define WM8994_WRITE_SEQUENCER_219              0x30DB
+#define WM8994_WRITE_SEQUENCER_220              0x30DC
+#define WM8994_WRITE_SEQUENCER_221              0x30DD
+#define WM8994_WRITE_SEQUENCER_222              0x30DE
+#define WM8994_WRITE_SEQUENCER_223              0x30DF
+#define WM8994_WRITE_SEQUENCER_224              0x30E0
+#define WM8994_WRITE_SEQUENCER_225              0x30E1
+#define WM8994_WRITE_SEQUENCER_226              0x30E2
+#define WM8994_WRITE_SEQUENCER_227              0x30E3
+#define WM8994_WRITE_SEQUENCER_228              0x30E4
+#define WM8994_WRITE_SEQUENCER_229              0x30E5
+#define WM8994_WRITE_SEQUENCER_230              0x30E6
+#define WM8994_WRITE_SEQUENCER_231              0x30E7
+#define WM8994_WRITE_SEQUENCER_232              0x30E8
+#define WM8994_WRITE_SEQUENCER_233              0x30E9
+#define WM8994_WRITE_SEQUENCER_234              0x30EA
+#define WM8994_WRITE_SEQUENCER_235              0x30EB
+#define WM8994_WRITE_SEQUENCER_236              0x30EC
+#define WM8994_WRITE_SEQUENCER_237              0x30ED
+#define WM8994_WRITE_SEQUENCER_238              0x30EE
+#define WM8994_WRITE_SEQUENCER_239              0x30EF
+#define WM8994_WRITE_SEQUENCER_240              0x30F0
+#define WM8994_WRITE_SEQUENCER_241              0x30F1
+#define WM8994_WRITE_SEQUENCER_242              0x30F2
+#define WM8994_WRITE_SEQUENCER_243              0x30F3
+#define WM8994_WRITE_SEQUENCER_244              0x30F4
+#define WM8994_WRITE_SEQUENCER_245              0x30F5
+#define WM8994_WRITE_SEQUENCER_246              0x30F6
+#define WM8994_WRITE_SEQUENCER_247              0x30F7
+#define WM8994_WRITE_SEQUENCER_248              0x30F8
+#define WM8994_WRITE_SEQUENCER_249              0x30F9
+#define WM8994_WRITE_SEQUENCER_250              0x30FA
+#define WM8994_WRITE_SEQUENCER_251              0x30FB
+#define WM8994_WRITE_SEQUENCER_252              0x30FC
+#define WM8994_WRITE_SEQUENCER_253              0x30FD
+#define WM8994_WRITE_SEQUENCER_254              0x30FE
+#define WM8994_WRITE_SEQUENCER_255              0x30FF
+#define WM8994_WRITE_SEQUENCER_256              0x3100
+#define WM8994_WRITE_SEQUENCER_257              0x3101
+#define WM8994_WRITE_SEQUENCER_258              0x3102
+#define WM8994_WRITE_SEQUENCER_259              0x3103
+#define WM8994_WRITE_SEQUENCER_260              0x3104
+#define WM8994_WRITE_SEQUENCER_261              0x3105
+#define WM8994_WRITE_SEQUENCER_262              0x3106
+#define WM8994_WRITE_SEQUENCER_263              0x3107
+#define WM8994_WRITE_SEQUENCER_264              0x3108
+#define WM8994_WRITE_SEQUENCER_265              0x3109
+#define WM8994_WRITE_SEQUENCER_266              0x310A
+#define WM8994_WRITE_SEQUENCER_267              0x310B
+#define WM8994_WRITE_SEQUENCER_268              0x310C
+#define WM8994_WRITE_SEQUENCER_269              0x310D
+#define WM8994_WRITE_SEQUENCER_270              0x310E
+#define WM8994_WRITE_SEQUENCER_271              0x310F
+#define WM8994_WRITE_SEQUENCER_272              0x3110
+#define WM8994_WRITE_SEQUENCER_273              0x3111
+#define WM8994_WRITE_SEQUENCER_274              0x3112
+#define WM8994_WRITE_SEQUENCER_275              0x3113
+#define WM8994_WRITE_SEQUENCER_276              0x3114
+#define WM8994_WRITE_SEQUENCER_277              0x3115
+#define WM8994_WRITE_SEQUENCER_278              0x3116
+#define WM8994_WRITE_SEQUENCER_279              0x3117
+#define WM8994_WRITE_SEQUENCER_280              0x3118
+#define WM8994_WRITE_SEQUENCER_281              0x3119
+#define WM8994_WRITE_SEQUENCER_282              0x311A
+#define WM8994_WRITE_SEQUENCER_283              0x311B
+#define WM8994_WRITE_SEQUENCER_284              0x311C
+#define WM8994_WRITE_SEQUENCER_285              0x311D
+#define WM8994_WRITE_SEQUENCER_286              0x311E
+#define WM8994_WRITE_SEQUENCER_287              0x311F
+#define WM8994_WRITE_SEQUENCER_288              0x3120
+#define WM8994_WRITE_SEQUENCER_289              0x3121
+#define WM8994_WRITE_SEQUENCER_290              0x3122
+#define WM8994_WRITE_SEQUENCER_291              0x3123
+#define WM8994_WRITE_SEQUENCER_292              0x3124
+#define WM8994_WRITE_SEQUENCER_293              0x3125
+#define WM8994_WRITE_SEQUENCER_294              0x3126
+#define WM8994_WRITE_SEQUENCER_295              0x3127
+#define WM8994_WRITE_SEQUENCER_296              0x3128
+#define WM8994_WRITE_SEQUENCER_297              0x3129
+#define WM8994_WRITE_SEQUENCER_298              0x312A
+#define WM8994_WRITE_SEQUENCER_299              0x312B
+#define WM8994_WRITE_SEQUENCER_300              0x312C
+#define WM8994_WRITE_SEQUENCER_301              0x312D
+#define WM8994_WRITE_SEQUENCER_302              0x312E
+#define WM8994_WRITE_SEQUENCER_303              0x312F
+#define WM8994_WRITE_SEQUENCER_304              0x3130
+#define WM8994_WRITE_SEQUENCER_305              0x3131
+#define WM8994_WRITE_SEQUENCER_306              0x3132
+#define WM8994_WRITE_SEQUENCER_307              0x3133
+#define WM8994_WRITE_SEQUENCER_308              0x3134
+#define WM8994_WRITE_SEQUENCER_309              0x3135
+#define WM8994_WRITE_SEQUENCER_310              0x3136
+#define WM8994_WRITE_SEQUENCER_311              0x3137
+#define WM8994_WRITE_SEQUENCER_312              0x3138
+#define WM8994_WRITE_SEQUENCER_313              0x3139
+#define WM8994_WRITE_SEQUENCER_314              0x313A
+#define WM8994_WRITE_SEQUENCER_315              0x313B
+#define WM8994_WRITE_SEQUENCER_316              0x313C
+#define WM8994_WRITE_SEQUENCER_317              0x313D
+#define WM8994_WRITE_SEQUENCER_318              0x313E
+#define WM8994_WRITE_SEQUENCER_319              0x313F
+#define WM8994_WRITE_SEQUENCER_320              0x3140
+#define WM8994_WRITE_SEQUENCER_321              0x3141
+#define WM8994_WRITE_SEQUENCER_322              0x3142
+#define WM8994_WRITE_SEQUENCER_323              0x3143
+#define WM8994_WRITE_SEQUENCER_324              0x3144
+#define WM8994_WRITE_SEQUENCER_325              0x3145
+#define WM8994_WRITE_SEQUENCER_326              0x3146
+#define WM8994_WRITE_SEQUENCER_327              0x3147
+#define WM8994_WRITE_SEQUENCER_328              0x3148
+#define WM8994_WRITE_SEQUENCER_329              0x3149
+#define WM8994_WRITE_SEQUENCER_330              0x314A
+#define WM8994_WRITE_SEQUENCER_331              0x314B
+#define WM8994_WRITE_SEQUENCER_332              0x314C
+#define WM8994_WRITE_SEQUENCER_333              0x314D
+#define WM8994_WRITE_SEQUENCER_334              0x314E
+#define WM8994_WRITE_SEQUENCER_335              0x314F
+#define WM8994_WRITE_SEQUENCER_336              0x3150
+#define WM8994_WRITE_SEQUENCER_337              0x3151
+#define WM8994_WRITE_SEQUENCER_338              0x3152
+#define WM8994_WRITE_SEQUENCER_339              0x3153
+#define WM8994_WRITE_SEQUENCER_340              0x3154
+#define WM8994_WRITE_SEQUENCER_341              0x3155
+#define WM8994_WRITE_SEQUENCER_342              0x3156
+#define WM8994_WRITE_SEQUENCER_343              0x3157
+#define WM8994_WRITE_SEQUENCER_344              0x3158
+#define WM8994_WRITE_SEQUENCER_345              0x3159
+#define WM8994_WRITE_SEQUENCER_346              0x315A
+#define WM8994_WRITE_SEQUENCER_347              0x315B
+#define WM8994_WRITE_SEQUENCER_348              0x315C
+#define WM8994_WRITE_SEQUENCER_349              0x315D
+#define WM8994_WRITE_SEQUENCER_350              0x315E
+#define WM8994_WRITE_SEQUENCER_351              0x315F
+#define WM8994_WRITE_SEQUENCER_352              0x3160
+#define WM8994_WRITE_SEQUENCER_353              0x3161
+#define WM8994_WRITE_SEQUENCER_354              0x3162
+#define WM8994_WRITE_SEQUENCER_355              0x3163
+#define WM8994_WRITE_SEQUENCER_356              0x3164
+#define WM8994_WRITE_SEQUENCER_357              0x3165
+#define WM8994_WRITE_SEQUENCER_358              0x3166
+#define WM8994_WRITE_SEQUENCER_359              0x3167
+#define WM8994_WRITE_SEQUENCER_360              0x3168
+#define WM8994_WRITE_SEQUENCER_361              0x3169
+#define WM8994_WRITE_SEQUENCER_362              0x316A
+#define WM8994_WRITE_SEQUENCER_363              0x316B
+#define WM8994_WRITE_SEQUENCER_364              0x316C
+#define WM8994_WRITE_SEQUENCER_365              0x316D
+#define WM8994_WRITE_SEQUENCER_366              0x316E
+#define WM8994_WRITE_SEQUENCER_367              0x316F
+#define WM8994_WRITE_SEQUENCER_368              0x3170
+#define WM8994_WRITE_SEQUENCER_369              0x3171
+#define WM8994_WRITE_SEQUENCER_370              0x3172
+#define WM8994_WRITE_SEQUENCER_371              0x3173
+#define WM8994_WRITE_SEQUENCER_372              0x3174
+#define WM8994_WRITE_SEQUENCER_373              0x3175
+#define WM8994_WRITE_SEQUENCER_374              0x3176
+#define WM8994_WRITE_SEQUENCER_375              0x3177
+#define WM8994_WRITE_SEQUENCER_376              0x3178
+#define WM8994_WRITE_SEQUENCER_377              0x3179
+#define WM8994_WRITE_SEQUENCER_378              0x317A
+#define WM8994_WRITE_SEQUENCER_379              0x317B
+#define WM8994_WRITE_SEQUENCER_380              0x317C
+#define WM8994_WRITE_SEQUENCER_381              0x317D
+#define WM8994_WRITE_SEQUENCER_382              0x317E
+#define WM8994_WRITE_SEQUENCER_383              0x317F
+#define WM8994_WRITE_SEQUENCER_384              0x3180
+#define WM8994_WRITE_SEQUENCER_385              0x3181
+#define WM8994_WRITE_SEQUENCER_386              0x3182
+#define WM8994_WRITE_SEQUENCER_387              0x3183
+#define WM8994_WRITE_SEQUENCER_388              0x3184
+#define WM8994_WRITE_SEQUENCER_389              0x3185
+#define WM8994_WRITE_SEQUENCER_390              0x3186
+#define WM8994_WRITE_SEQUENCER_391              0x3187
+#define WM8994_WRITE_SEQUENCER_392              0x3188
+#define WM8994_WRITE_SEQUENCER_393              0x3189
+#define WM8994_WRITE_SEQUENCER_394              0x318A
+#define WM8994_WRITE_SEQUENCER_395              0x318B
+#define WM8994_WRITE_SEQUENCER_396              0x318C
+#define WM8994_WRITE_SEQUENCER_397              0x318D
+#define WM8994_WRITE_SEQUENCER_398              0x318E
+#define WM8994_WRITE_SEQUENCER_399              0x318F
+#define WM8994_WRITE_SEQUENCER_400              0x3190
+#define WM8994_WRITE_SEQUENCER_401              0x3191
+#define WM8994_WRITE_SEQUENCER_402              0x3192
+#define WM8994_WRITE_SEQUENCER_403              0x3193
+#define WM8994_WRITE_SEQUENCER_404              0x3194
+#define WM8994_WRITE_SEQUENCER_405              0x3195
+#define WM8994_WRITE_SEQUENCER_406              0x3196
+#define WM8994_WRITE_SEQUENCER_407              0x3197
+#define WM8994_WRITE_SEQUENCER_408              0x3198
+#define WM8994_WRITE_SEQUENCER_409              0x3199
+#define WM8994_WRITE_SEQUENCER_410              0x319A
+#define WM8994_WRITE_SEQUENCER_411              0x319B
+#define WM8994_WRITE_SEQUENCER_412              0x319C
+#define WM8994_WRITE_SEQUENCER_413              0x319D
+#define WM8994_WRITE_SEQUENCER_414              0x319E
+#define WM8994_WRITE_SEQUENCER_415              0x319F
+#define WM8994_WRITE_SEQUENCER_416              0x31A0
+#define WM8994_WRITE_SEQUENCER_417              0x31A1
+#define WM8994_WRITE_SEQUENCER_418              0x31A2
+#define WM8994_WRITE_SEQUENCER_419              0x31A3
+#define WM8994_WRITE_SEQUENCER_420              0x31A4
+#define WM8994_WRITE_SEQUENCER_421              0x31A5
+#define WM8994_WRITE_SEQUENCER_422              0x31A6
+#define WM8994_WRITE_SEQUENCER_423              0x31A7
+#define WM8994_WRITE_SEQUENCER_424              0x31A8
+#define WM8994_WRITE_SEQUENCER_425              0x31A9
+#define WM8994_WRITE_SEQUENCER_426              0x31AA
+#define WM8994_WRITE_SEQUENCER_427              0x31AB
+#define WM8994_WRITE_SEQUENCER_428              0x31AC
+#define WM8994_WRITE_SEQUENCER_429              0x31AD
+#define WM8994_WRITE_SEQUENCER_430              0x31AE
+#define WM8994_WRITE_SEQUENCER_431              0x31AF
+#define WM8994_WRITE_SEQUENCER_432              0x31B0
+#define WM8994_WRITE_SEQUENCER_433              0x31B1
+#define WM8994_WRITE_SEQUENCER_434              0x31B2
+#define WM8994_WRITE_SEQUENCER_435              0x31B3
+#define WM8994_WRITE_SEQUENCER_436              0x31B4
+#define WM8994_WRITE_SEQUENCER_437              0x31B5
+#define WM8994_WRITE_SEQUENCER_438              0x31B6
+#define WM8994_WRITE_SEQUENCER_439              0x31B7
+#define WM8994_WRITE_SEQUENCER_440              0x31B8
+#define WM8994_WRITE_SEQUENCER_441              0x31B9
+#define WM8994_WRITE_SEQUENCER_442              0x31BA
+#define WM8994_WRITE_SEQUENCER_443              0x31BB
+#define WM8994_WRITE_SEQUENCER_444              0x31BC
+#define WM8994_WRITE_SEQUENCER_445              0x31BD
+#define WM8994_WRITE_SEQUENCER_446              0x31BE
+#define WM8994_WRITE_SEQUENCER_447              0x31BF
+#define WM8994_WRITE_SEQUENCER_448              0x31C0
+#define WM8994_WRITE_SEQUENCER_449              0x31C1
+#define WM8994_WRITE_SEQUENCER_450              0x31C2
+#define WM8994_WRITE_SEQUENCER_451              0x31C3
+#define WM8994_WRITE_SEQUENCER_452              0x31C4
+#define WM8994_WRITE_SEQUENCER_453              0x31C5
+#define WM8994_WRITE_SEQUENCER_454              0x31C6
+#define WM8994_WRITE_SEQUENCER_455              0x31C7
+#define WM8994_WRITE_SEQUENCER_456              0x31C8
+#define WM8994_WRITE_SEQUENCER_457              0x31C9
+#define WM8994_WRITE_SEQUENCER_458              0x31CA
+#define WM8994_WRITE_SEQUENCER_459              0x31CB
+#define WM8994_WRITE_SEQUENCER_460              0x31CC
+#define WM8994_WRITE_SEQUENCER_461              0x31CD
+#define WM8994_WRITE_SEQUENCER_462              0x31CE
+#define WM8994_WRITE_SEQUENCER_463              0x31CF
+#define WM8994_WRITE_SEQUENCER_464              0x31D0
+#define WM8994_WRITE_SEQUENCER_465              0x31D1
+#define WM8994_WRITE_SEQUENCER_466              0x31D2
+#define WM8994_WRITE_SEQUENCER_467              0x31D3
+#define WM8994_WRITE_SEQUENCER_468              0x31D4
+#define WM8994_WRITE_SEQUENCER_469              0x31D5
+#define WM8994_WRITE_SEQUENCER_470              0x31D6
+#define WM8994_WRITE_SEQUENCER_471              0x31D7
+#define WM8994_WRITE_SEQUENCER_472              0x31D8
+#define WM8994_WRITE_SEQUENCER_473              0x31D9
+#define WM8994_WRITE_SEQUENCER_474              0x31DA
+#define WM8994_WRITE_SEQUENCER_475              0x31DB
+#define WM8994_WRITE_SEQUENCER_476              0x31DC
+#define WM8994_WRITE_SEQUENCER_477              0x31DD
+#define WM8994_WRITE_SEQUENCER_478              0x31DE
+#define WM8994_WRITE_SEQUENCER_479              0x31DF
+#define WM8994_WRITE_SEQUENCER_480              0x31E0
+#define WM8994_WRITE_SEQUENCER_481              0x31E1
+#define WM8994_WRITE_SEQUENCER_482              0x31E2
+#define WM8994_WRITE_SEQUENCER_483              0x31E3
+#define WM8994_WRITE_SEQUENCER_484              0x31E4
+#define WM8994_WRITE_SEQUENCER_485              0x31E5
+#define WM8994_WRITE_SEQUENCER_486              0x31E6
+#define WM8994_WRITE_SEQUENCER_487              0x31E7
+#define WM8994_WRITE_SEQUENCER_488              0x31E8
+#define WM8994_WRITE_SEQUENCER_489              0x31E9
+#define WM8994_WRITE_SEQUENCER_490              0x31EA
+#define WM8994_WRITE_SEQUENCER_491              0x31EB
+#define WM8994_WRITE_SEQUENCER_492              0x31EC
+#define WM8994_WRITE_SEQUENCER_493              0x31ED
+#define WM8994_WRITE_SEQUENCER_494              0x31EE
+#define WM8994_WRITE_SEQUENCER_495              0x31EF
+#define WM8994_WRITE_SEQUENCER_496              0x31F0
+#define WM8994_WRITE_SEQUENCER_497              0x31F1
+#define WM8994_WRITE_SEQUENCER_498              0x31F2
+#define WM8994_WRITE_SEQUENCER_499              0x31F3
+#define WM8994_WRITE_SEQUENCER_500              0x31F4
+#define WM8994_WRITE_SEQUENCER_501              0x31F5
+#define WM8994_WRITE_SEQUENCER_502              0x31F6
+#define WM8994_WRITE_SEQUENCER_503              0x31F7
+#define WM8994_WRITE_SEQUENCER_504              0x31F8
+#define WM8994_WRITE_SEQUENCER_505              0x31F9
+#define WM8994_WRITE_SEQUENCER_506              0x31FA
+#define WM8994_WRITE_SEQUENCER_507              0x31FB
+#define WM8994_WRITE_SEQUENCER_508              0x31FC
+#define WM8994_WRITE_SEQUENCER_509              0x31FD
+#define WM8994_WRITE_SEQUENCER_510              0x31FE
+#define WM8994_WRITE_SEQUENCER_511              0x31FF
+
+#define WM8994_REGISTER_COUNT                   736
+#define WM8994_MAX_REGISTER                     0x31FF
+#define WM8994_MAX_CACHED_REGISTER              0x749
+
+/*
+ * Field Definitions.
+ */
+
+/*
+ * R0 (0x00) - Software Reset
+ */
+#define WM8994_SW_RESET_MASK                    0xFFFF  /* SW_RESET - [15:0] */
+#define WM8994_SW_RESET_SHIFT                        0  /* SW_RESET - [15:0] */
+#define WM8994_SW_RESET_WIDTH                       16  /* SW_RESET - [15:0] */
+
+/*
+ * R1 (0x01) - Power Management (1)
+ */
+#define WM8994_SPKOUTR_ENA                      0x2000  /* SPKOUTR_ENA */
+#define WM8994_SPKOUTR_ENA_MASK                 0x2000  /* SPKOUTR_ENA */
+#define WM8994_SPKOUTR_ENA_SHIFT                    13  /* SPKOUTR_ENA */
+#define WM8994_SPKOUTR_ENA_WIDTH                     1  /* SPKOUTR_ENA */
+#define WM8994_SPKOUTL_ENA                      0x1000  /* SPKOUTL_ENA */
+#define WM8994_SPKOUTL_ENA_MASK                 0x1000  /* SPKOUTL_ENA */
+#define WM8994_SPKOUTL_ENA_SHIFT                    12  /* SPKOUTL_ENA */
+#define WM8994_SPKOUTL_ENA_WIDTH                     1  /* SPKOUTL_ENA */
+#define WM8994_HPOUT2_ENA                       0x0800  /* HPOUT2_ENA */
+#define WM8994_HPOUT2_ENA_MASK                  0x0800  /* HPOUT2_ENA */
+#define WM8994_HPOUT2_ENA_SHIFT                     11  /* HPOUT2_ENA */
+#define WM8994_HPOUT2_ENA_WIDTH                      1  /* HPOUT2_ENA */
+#define WM8994_HPOUT1L_ENA                      0x0200  /* HPOUT1L_ENA */
+#define WM8994_HPOUT1L_ENA_MASK                 0x0200  /* HPOUT1L_ENA */
+#define WM8994_HPOUT1L_ENA_SHIFT                     9  /* HPOUT1L_ENA */
+#define WM8994_HPOUT1L_ENA_WIDTH                     1  /* HPOUT1L_ENA */
+#define WM8994_HPOUT1R_ENA                      0x0100  /* HPOUT1R_ENA */
+#define WM8994_HPOUT1R_ENA_MASK                 0x0100  /* HPOUT1R_ENA */
+#define WM8994_HPOUT1R_ENA_SHIFT                     8  /* HPOUT1R_ENA */
+#define WM8994_HPOUT1R_ENA_WIDTH                     1  /* HPOUT1R_ENA */
+#define WM8994_MICB2_ENA                        0x0020  /* MICB2_ENA */
+#define WM8994_MICB2_ENA_MASK                   0x0020  /* MICB2_ENA */
+#define WM8994_MICB2_ENA_SHIFT                       5  /* MICB2_ENA */
+#define WM8994_MICB2_ENA_WIDTH                       1  /* MICB2_ENA */
+#define WM8994_MICB1_ENA                        0x0010  /* MICB1_ENA */
+#define WM8994_MICB1_ENA_MASK                   0x0010  /* MICB1_ENA */
+#define WM8994_MICB1_ENA_SHIFT                       4  /* MICB1_ENA */
+#define WM8994_MICB1_ENA_WIDTH                       1  /* MICB1_ENA */
+#define WM8994_VMID_SEL_MASK                    0x0006  /* VMID_SEL - [2:1] */
+#define WM8994_VMID_SEL_SHIFT                        1  /* VMID_SEL - [2:1] */
+#define WM8994_VMID_SEL_WIDTH                        2  /* VMID_SEL - [2:1] */
+#define WM8994_BIAS_ENA                         0x0001  /* BIAS_ENA */
+#define WM8994_BIAS_ENA_MASK                    0x0001  /* BIAS_ENA */
+#define WM8994_BIAS_ENA_SHIFT                        0  /* BIAS_ENA */
+#define WM8994_BIAS_ENA_WIDTH                        1  /* BIAS_ENA */
+
+/*
+ * R2 (0x02) - Power Management (2)
+ */
+#define WM8994_TSHUT_ENA                        0x4000  /* TSHUT_ENA */
+#define WM8994_TSHUT_ENA_MASK                   0x4000  /* TSHUT_ENA */
+#define WM8994_TSHUT_ENA_SHIFT                      14  /* TSHUT_ENA */
+#define WM8994_TSHUT_ENA_WIDTH                       1  /* TSHUT_ENA */
+#define WM8994_TSHUT_OPDIS                      0x2000  /* TSHUT_OPDIS */
+#define WM8994_TSHUT_OPDIS_MASK                 0x2000  /* TSHUT_OPDIS */
+#define WM8994_TSHUT_OPDIS_SHIFT                    13  /* TSHUT_OPDIS */
+#define WM8994_TSHUT_OPDIS_WIDTH                     1  /* TSHUT_OPDIS */
+#define WM8994_OPCLK_ENA                        0x0800  /* OPCLK_ENA */
+#define WM8994_OPCLK_ENA_MASK                   0x0800  /* OPCLK_ENA */
+#define WM8994_OPCLK_ENA_SHIFT                      11  /* OPCLK_ENA */
+#define WM8994_OPCLK_ENA_WIDTH                       1  /* OPCLK_ENA */
+#define WM8994_MIXINL_ENA                       0x0200  /* MIXINL_ENA */
+#define WM8994_MIXINL_ENA_MASK                  0x0200  /* MIXINL_ENA */
+#define WM8994_MIXINL_ENA_SHIFT                      9  /* MIXINL_ENA */
+#define WM8994_MIXINL_ENA_WIDTH                      1  /* MIXINL_ENA */
+#define WM8994_MIXINR_ENA                       0x0100  /* MIXINR_ENA */
+#define WM8994_MIXINR_ENA_MASK                  0x0100  /* MIXINR_ENA */
+#define WM8994_MIXINR_ENA_SHIFT                      8  /* MIXINR_ENA */
+#define WM8994_MIXINR_ENA_WIDTH                      1  /* MIXINR_ENA */
+#define WM8994_IN2L_ENA                         0x0080  /* IN2L_ENA */
+#define WM8994_IN2L_ENA_MASK                    0x0080  /* IN2L_ENA */
+#define WM8994_IN2L_ENA_SHIFT                        7  /* IN2L_ENA */
+#define WM8994_IN2L_ENA_WIDTH                        1  /* IN2L_ENA */
+#define WM8994_IN1L_ENA                         0x0040  /* IN1L_ENA */
+#define WM8994_IN1L_ENA_MASK                    0x0040  /* IN1L_ENA */
+#define WM8994_IN1L_ENA_SHIFT                        6  /* IN1L_ENA */
+#define WM8994_IN1L_ENA_WIDTH                        1  /* IN1L_ENA */
+#define WM8994_IN2R_ENA                         0x0020  /* IN2R_ENA */
+#define WM8994_IN2R_ENA_MASK                    0x0020  /* IN2R_ENA */
+#define WM8994_IN2R_ENA_SHIFT                        5  /* IN2R_ENA */
+#define WM8994_IN2R_ENA_WIDTH                        1  /* IN2R_ENA */
+#define WM8994_IN1R_ENA                         0x0010  /* IN1R_ENA */
+#define WM8994_IN1R_ENA_MASK                    0x0010  /* IN1R_ENA */
+#define WM8994_IN1R_ENA_SHIFT                        4  /* IN1R_ENA */
+#define WM8994_IN1R_ENA_WIDTH                        1  /* IN1R_ENA */
+
+/*
+ * R3 (0x03) - Power Management (3)
+ */
+#define WM8994_LINEOUT1N_ENA                    0x2000  /* LINEOUT1N_ENA */
+#define WM8994_LINEOUT1N_ENA_MASK               0x2000  /* LINEOUT1N_ENA */
+#define WM8994_LINEOUT1N_ENA_SHIFT                  13  /* LINEOUT1N_ENA */
+#define WM8994_LINEOUT1N_ENA_WIDTH                   1  /* LINEOUT1N_ENA */
+#define WM8994_LINEOUT1P_ENA                    0x1000  /* LINEOUT1P_ENA */
+#define WM8994_LINEOUT1P_ENA_MASK               0x1000  /* LINEOUT1P_ENA */
+#define WM8994_LINEOUT1P_ENA_SHIFT                  12  /* LINEOUT1P_ENA */
+#define WM8994_LINEOUT1P_ENA_WIDTH                   1  /* LINEOUT1P_ENA */
+#define WM8994_LINEOUT2N_ENA                    0x0800  /* LINEOUT2N_ENA */
+#define WM8994_LINEOUT2N_ENA_MASK               0x0800  /* LINEOUT2N_ENA */
+#define WM8994_LINEOUT2N_ENA_SHIFT                  11  /* LINEOUT2N_ENA */
+#define WM8994_LINEOUT2N_ENA_WIDTH                   1  /* LINEOUT2N_ENA */
+#define WM8994_LINEOUT2P_ENA                    0x0400  /* LINEOUT2P_ENA */
+#define WM8994_LINEOUT2P_ENA_MASK               0x0400  /* LINEOUT2P_ENA */
+#define WM8994_LINEOUT2P_ENA_SHIFT                  10  /* LINEOUT2P_ENA */
+#define WM8994_LINEOUT2P_ENA_WIDTH                   1  /* LINEOUT2P_ENA */
+#define WM8994_SPKRVOL_ENA                      0x0200  /* SPKRVOL_ENA */
+#define WM8994_SPKRVOL_ENA_MASK                 0x0200  /* SPKRVOL_ENA */
+#define WM8994_SPKRVOL_ENA_SHIFT                     9  /* SPKRVOL_ENA */
+#define WM8994_SPKRVOL_ENA_WIDTH                     1  /* SPKRVOL_ENA */
+#define WM8994_SPKLVOL_ENA                      0x0100  /* SPKLVOL_ENA */
+#define WM8994_SPKLVOL_ENA_MASK                 0x0100  /* SPKLVOL_ENA */
+#define WM8994_SPKLVOL_ENA_SHIFT                     8  /* SPKLVOL_ENA */
+#define WM8994_SPKLVOL_ENA_WIDTH                     1  /* SPKLVOL_ENA */
+#define WM8994_MIXOUTLVOL_ENA                   0x0080  /* MIXOUTLVOL_ENA */
+#define WM8994_MIXOUTLVOL_ENA_MASK              0x0080  /* MIXOUTLVOL_ENA */
+#define WM8994_MIXOUTLVOL_ENA_SHIFT                  7  /* MIXOUTLVOL_ENA */
+#define WM8994_MIXOUTLVOL_ENA_WIDTH                  1  /* MIXOUTLVOL_ENA */
+#define WM8994_MIXOUTRVOL_ENA                   0x0040  /* MIXOUTRVOL_ENA */
+#define WM8994_MIXOUTRVOL_ENA_MASK              0x0040  /* MIXOUTRVOL_ENA */
+#define WM8994_MIXOUTRVOL_ENA_SHIFT                  6  /* MIXOUTRVOL_ENA */
+#define WM8994_MIXOUTRVOL_ENA_WIDTH                  1  /* MIXOUTRVOL_ENA */
+#define WM8994_MIXOUTL_ENA                      0x0020  /* MIXOUTL_ENA */
+#define WM8994_MIXOUTL_ENA_MASK                 0x0020  /* MIXOUTL_ENA */
+#define WM8994_MIXOUTL_ENA_SHIFT                     5  /* MIXOUTL_ENA */
+#define WM8994_MIXOUTL_ENA_WIDTH                     1  /* MIXOUTL_ENA */
+#define WM8994_MIXOUTR_ENA                      0x0010  /* MIXOUTR_ENA */
+#define WM8994_MIXOUTR_ENA_MASK                 0x0010  /* MIXOUTR_ENA */
+#define WM8994_MIXOUTR_ENA_SHIFT                     4  /* MIXOUTR_ENA */
+#define WM8994_MIXOUTR_ENA_WIDTH                     1  /* MIXOUTR_ENA */
+
+/*
+ * R4 (0x04) - Power Management (4)
+ */
+#define WM8994_AIF2ADCL_ENA                     0x2000  /* AIF2ADCL_ENA */
+#define WM8994_AIF2ADCL_ENA_MASK                0x2000  /* AIF2ADCL_ENA */
+#define WM8994_AIF2ADCL_ENA_SHIFT                   13  /* AIF2ADCL_ENA */
+#define WM8994_AIF2ADCL_ENA_WIDTH                    1  /* AIF2ADCL_ENA */
+#define WM8994_AIF2ADCR_ENA                     0x1000  /* AIF2ADCR_ENA */
+#define WM8994_AIF2ADCR_ENA_MASK                0x1000  /* AIF2ADCR_ENA */
+#define WM8994_AIF2ADCR_ENA_SHIFT                   12  /* AIF2ADCR_ENA */
+#define WM8994_AIF2ADCR_ENA_WIDTH                    1  /* AIF2ADCR_ENA */
+#define WM8994_AIF1ADC2L_ENA                    0x0800  /* AIF1ADC2L_ENA */
+#define WM8994_AIF1ADC2L_ENA_MASK               0x0800  /* AIF1ADC2L_ENA */
+#define WM8994_AIF1ADC2L_ENA_SHIFT                  11  /* AIF1ADC2L_ENA */
+#define WM8994_AIF1ADC2L_ENA_WIDTH                   1  /* AIF1ADC2L_ENA */
+#define WM8994_AIF1ADC2R_ENA                    0x0400  /* AIF1ADC2R_ENA */
+#define WM8994_AIF1ADC2R_ENA_MASK               0x0400  /* AIF1ADC2R_ENA */
+#define WM8994_AIF1ADC2R_ENA_SHIFT                  10  /* AIF1ADC2R_ENA */
+#define WM8994_AIF1ADC2R_ENA_WIDTH                   1  /* AIF1ADC2R_ENA */
+#define WM8994_AIF1ADC1L_ENA                    0x0200  /* AIF1ADC1L_ENA */
+#define WM8994_AIF1ADC1L_ENA_MASK               0x0200  /* AIF1ADC1L_ENA */
+#define WM8994_AIF1ADC1L_ENA_SHIFT                   9  /* AIF1ADC1L_ENA */
+#define WM8994_AIF1ADC1L_ENA_WIDTH                   1  /* AIF1ADC1L_ENA */
+#define WM8994_AIF1ADC1R_ENA                    0x0100  /* AIF1ADC1R_ENA */
+#define WM8994_AIF1ADC1R_ENA_MASK               0x0100  /* AIF1ADC1R_ENA */
+#define WM8994_AIF1ADC1R_ENA_SHIFT                   8  /* AIF1ADC1R_ENA */
+#define WM8994_AIF1ADC1R_ENA_WIDTH                   1  /* AIF1ADC1R_ENA */
+#define WM8994_DMIC2L_ENA                       0x0020  /* DMIC2L_ENA */
+#define WM8994_DMIC2L_ENA_MASK                  0x0020  /* DMIC2L_ENA */
+#define WM8994_DMIC2L_ENA_SHIFT                      5  /* DMIC2L_ENA */
+#define WM8994_DMIC2L_ENA_WIDTH                      1  /* DMIC2L_ENA */
+#define WM8994_DMIC2R_ENA                       0x0010  /* DMIC2R_ENA */
+#define WM8994_DMIC2R_ENA_MASK                  0x0010  /* DMIC2R_ENA */
+#define WM8994_DMIC2R_ENA_SHIFT                      4  /* DMIC2R_ENA */
+#define WM8994_DMIC2R_ENA_WIDTH                      1  /* DMIC2R_ENA */
+#define WM8994_DMIC1L_ENA                       0x0008  /* DMIC1L_ENA */
+#define WM8994_DMIC1L_ENA_MASK                  0x0008  /* DMIC1L_ENA */
+#define WM8994_DMIC1L_ENA_SHIFT                      3  /* DMIC1L_ENA */
+#define WM8994_DMIC1L_ENA_WIDTH                      1  /* DMIC1L_ENA */
+#define WM8994_DMIC1R_ENA                       0x0004  /* DMIC1R_ENA */
+#define WM8994_DMIC1R_ENA_MASK                  0x0004  /* DMIC1R_ENA */
+#define WM8994_DMIC1R_ENA_SHIFT                      2  /* DMIC1R_ENA */
+#define WM8994_DMIC1R_ENA_WIDTH                      1  /* DMIC1R_ENA */
+#define WM8994_ADCL_ENA                         0x0002  /* ADCL_ENA */
+#define WM8994_ADCL_ENA_MASK                    0x0002  /* ADCL_ENA */
+#define WM8994_ADCL_ENA_SHIFT                        1  /* ADCL_ENA */
+#define WM8994_ADCL_ENA_WIDTH                        1  /* ADCL_ENA */
+#define WM8994_ADCR_ENA                         0x0001  /* ADCR_ENA */
+#define WM8994_ADCR_ENA_MASK                    0x0001  /* ADCR_ENA */
+#define WM8994_ADCR_ENA_SHIFT                        0  /* ADCR_ENA */
+#define WM8994_ADCR_ENA_WIDTH                        1  /* ADCR_ENA */
+
+/*
+ * R5 (0x05) - Power Management (5)
+ */
+#define WM8994_AIF2DACL_ENA                     0x2000  /* AIF2DACL_ENA */
+#define WM8994_AIF2DACL_ENA_MASK                0x2000  /* AIF2DACL_ENA */
+#define WM8994_AIF2DACL_ENA_SHIFT                   13  /* AIF2DACL_ENA */
+#define WM8994_AIF2DACL_ENA_WIDTH                    1  /* AIF2DACL_ENA */
+#define WM8994_AIF2DACR_ENA                     0x1000  /* AIF2DACR_ENA */
+#define WM8994_AIF2DACR_ENA_MASK                0x1000  /* AIF2DACR_ENA */
+#define WM8994_AIF2DACR_ENA_SHIFT                   12  /* AIF2DACR_ENA */
+#define WM8994_AIF2DACR_ENA_WIDTH                    1  /* AIF2DACR_ENA */
+#define WM8994_AIF1DAC2L_ENA                    0x0800  /* AIF1DAC2L_ENA */
+#define WM8994_AIF1DAC2L_ENA_MASK               0x0800  /* AIF1DAC2L_ENA */
+#define WM8994_AIF1DAC2L_ENA_SHIFT                  11  /* AIF1DAC2L_ENA */
+#define WM8994_AIF1DAC2L_ENA_WIDTH                   1  /* AIF1DAC2L_ENA */
+#define WM8994_AIF1DAC2R_ENA                    0x0400  /* AIF1DAC2R_ENA */
+#define WM8994_AIF1DAC2R_ENA_MASK               0x0400  /* AIF1DAC2R_ENA */
+#define WM8994_AIF1DAC2R_ENA_SHIFT                  10  /* AIF1DAC2R_ENA */
+#define WM8994_AIF1DAC2R_ENA_WIDTH                   1  /* AIF1DAC2R_ENA */
+#define WM8994_AIF1DAC1L_ENA                    0x0200  /* AIF1DAC1L_ENA */
+#define WM8994_AIF1DAC1L_ENA_MASK               0x0200  /* AIF1DAC1L_ENA */
+#define WM8994_AIF1DAC1L_ENA_SHIFT                   9  /* AIF1DAC1L_ENA */
+#define WM8994_AIF1DAC1L_ENA_WIDTH                   1  /* AIF1DAC1L_ENA */
+#define WM8994_AIF1DAC1R_ENA                    0x0100  /* AIF1DAC1R_ENA */
+#define WM8994_AIF1DAC1R_ENA_MASK               0x0100  /* AIF1DAC1R_ENA */
+#define WM8994_AIF1DAC1R_ENA_SHIFT                   8  /* AIF1DAC1R_ENA */
+#define WM8994_AIF1DAC1R_ENA_WIDTH                   1  /* AIF1DAC1R_ENA */
+#define WM8994_DAC2L_ENA                        0x0008  /* DAC2L_ENA */
+#define WM8994_DAC2L_ENA_MASK                   0x0008  /* DAC2L_ENA */
+#define WM8994_DAC2L_ENA_SHIFT                       3  /* DAC2L_ENA */
+#define WM8994_DAC2L_ENA_WIDTH                       1  /* DAC2L_ENA */
+#define WM8994_DAC2R_ENA                        0x0004  /* DAC2R_ENA */
+#define WM8994_DAC2R_ENA_MASK                   0x0004  /* DAC2R_ENA */
+#define WM8994_DAC2R_ENA_SHIFT                       2  /* DAC2R_ENA */
+#define WM8994_DAC2R_ENA_WIDTH                       1  /* DAC2R_ENA */
+#define WM8994_DAC1L_ENA                        0x0002  /* DAC1L_ENA */
+#define WM8994_DAC1L_ENA_MASK                   0x0002  /* DAC1L_ENA */
+#define WM8994_DAC1L_ENA_SHIFT                       1  /* DAC1L_ENA */
+#define WM8994_DAC1L_ENA_WIDTH                       1  /* DAC1L_ENA */
+#define WM8994_DAC1R_ENA                        0x0001  /* DAC1R_ENA */
+#define WM8994_DAC1R_ENA_MASK                   0x0001  /* DAC1R_ENA */
+#define WM8994_DAC1R_ENA_SHIFT                       0  /* DAC1R_ENA */
+#define WM8994_DAC1R_ENA_WIDTH                       1  /* DAC1R_ENA */
+
+/*
+ * R6 (0x06) - Power Management (6)
+ */
+#define WM8994_AIF3_TRI                         0x0020  /* AIF3_TRI */
+#define WM8994_AIF3_TRI_MASK                    0x0020  /* AIF3_TRI */
+#define WM8994_AIF3_TRI_SHIFT                        5  /* AIF3_TRI */
+#define WM8994_AIF3_TRI_WIDTH                        1  /* AIF3_TRI */
+#define WM8994_AIF3_ADCDAT_SRC_MASK             0x0018  /* AIF3_ADCDAT_SRC - [4:3] */
+#define WM8994_AIF3_ADCDAT_SRC_SHIFT                 3  /* AIF3_ADCDAT_SRC - [4:3] */
+#define WM8994_AIF3_ADCDAT_SRC_WIDTH                 2  /* AIF3_ADCDAT_SRC - [4:3] */
+#define WM8994_AIF2_ADCDAT_SRC                  0x0004  /* AIF2_ADCDAT_SRC */
+#define WM8994_AIF2_ADCDAT_SRC_MASK             0x0004  /* AIF2_ADCDAT_SRC */
+#define WM8994_AIF2_ADCDAT_SRC_SHIFT                 2  /* AIF2_ADCDAT_SRC */
+#define WM8994_AIF2_ADCDAT_SRC_WIDTH                 1  /* AIF2_ADCDAT_SRC */
+#define WM8994_AIF2_DACDAT_SRC                  0x0002  /* AIF2_DACDAT_SRC */
+#define WM8994_AIF2_DACDAT_SRC_MASK             0x0002  /* AIF2_DACDAT_SRC */
+#define WM8994_AIF2_DACDAT_SRC_SHIFT                 1  /* AIF2_DACDAT_SRC */
+#define WM8994_AIF2_DACDAT_SRC_WIDTH                 1  /* AIF2_DACDAT_SRC */
+#define WM8994_AIF1_DACDAT_SRC                  0x0001  /* AIF1_DACDAT_SRC */
+#define WM8994_AIF1_DACDAT_SRC_MASK             0x0001  /* AIF1_DACDAT_SRC */
+#define WM8994_AIF1_DACDAT_SRC_SHIFT                 0  /* AIF1_DACDAT_SRC */
+#define WM8994_AIF1_DACDAT_SRC_WIDTH                 1  /* AIF1_DACDAT_SRC */
+
+/*
+ * R21 (0x15) - Input Mixer (1)
+ */
+#define WM8994_IN1RP_MIXINR_BOOST               0x0100  /* IN1RP_MIXINR_BOOST */
+#define WM8994_IN1RP_MIXINR_BOOST_MASK          0x0100  /* IN1RP_MIXINR_BOOST */
+#define WM8994_IN1RP_MIXINR_BOOST_SHIFT              8  /* IN1RP_MIXINR_BOOST */
+#define WM8994_IN1RP_MIXINR_BOOST_WIDTH              1  /* IN1RP_MIXINR_BOOST */
+#define WM8994_IN1LP_MIXINL_BOOST               0x0080  /* IN1LP_MIXINL_BOOST */
+#define WM8994_IN1LP_MIXINL_BOOST_MASK          0x0080  /* IN1LP_MIXINL_BOOST */
+#define WM8994_IN1LP_MIXINL_BOOST_SHIFT              7  /* IN1LP_MIXINL_BOOST */
+#define WM8994_IN1LP_MIXINL_BOOST_WIDTH              1  /* IN1LP_MIXINL_BOOST */
+#define WM8994_INPUTS_CLAMP                     0x0040  /* INPUTS_CLAMP */
+#define WM8994_INPUTS_CLAMP_MASK                0x0040  /* INPUTS_CLAMP */
+#define WM8994_INPUTS_CLAMP_SHIFT                    6  /* INPUTS_CLAMP */
+#define WM8994_INPUTS_CLAMP_WIDTH                    1  /* INPUTS_CLAMP */
+
+/*
+ * R24 (0x18) - Left Line Input 1&2 Volume
+ */
+#define WM8994_IN1_VU                           0x0100  /* IN1_VU */
+#define WM8994_IN1_VU_MASK                      0x0100  /* IN1_VU */
+#define WM8994_IN1_VU_SHIFT                          8  /* IN1_VU */
+#define WM8994_IN1_VU_WIDTH                          1  /* IN1_VU */
+#define WM8994_IN1L_MUTE                        0x0080  /* IN1L_MUTE */
+#define WM8994_IN1L_MUTE_MASK                   0x0080  /* IN1L_MUTE */
+#define WM8994_IN1L_MUTE_SHIFT                       7  /* IN1L_MUTE */
+#define WM8994_IN1L_MUTE_WIDTH                       1  /* IN1L_MUTE */
+#define WM8994_IN1L_ZC                          0x0040  /* IN1L_ZC */
+#define WM8994_IN1L_ZC_MASK                     0x0040  /* IN1L_ZC */
+#define WM8994_IN1L_ZC_SHIFT                         6  /* IN1L_ZC */
+#define WM8994_IN1L_ZC_WIDTH                         1  /* IN1L_ZC */
+#define WM8994_IN1L_VOL_MASK                    0x001F  /* IN1L_VOL - [4:0] */
+#define WM8994_IN1L_VOL_SHIFT                        0  /* IN1L_VOL - [4:0] */
+#define WM8994_IN1L_VOL_WIDTH                        5  /* IN1L_VOL - [4:0] */
+
+/*
+ * R25 (0x19) - Left Line Input 3&4 Volume
+ */
+#define WM8994_IN2_VU                           0x0100  /* IN2_VU */
+#define WM8994_IN2_VU_MASK                      0x0100  /* IN2_VU */
+#define WM8994_IN2_VU_SHIFT                          8  /* IN2_VU */
+#define WM8994_IN2_VU_WIDTH                          1  /* IN2_VU */
+#define WM8994_IN2L_MUTE                        0x0080  /* IN2L_MUTE */
+#define WM8994_IN2L_MUTE_MASK                   0x0080  /* IN2L_MUTE */
+#define WM8994_IN2L_MUTE_SHIFT                       7  /* IN2L_MUTE */
+#define WM8994_IN2L_MUTE_WIDTH                       1  /* IN2L_MUTE */
+#define WM8994_IN2L_ZC                          0x0040  /* IN2L_ZC */
+#define WM8994_IN2L_ZC_MASK                     0x0040  /* IN2L_ZC */
+#define WM8994_IN2L_ZC_SHIFT                         6  /* IN2L_ZC */
+#define WM8994_IN2L_ZC_WIDTH                         1  /* IN2L_ZC */
+#define WM8994_IN2L_VOL_MASK                    0x001F  /* IN2L_VOL - [4:0] */
+#define WM8994_IN2L_VOL_SHIFT                        0  /* IN2L_VOL - [4:0] */
+#define WM8994_IN2L_VOL_WIDTH                        5  /* IN2L_VOL - [4:0] */
+
+/*
+ * R26 (0x1A) - Right Line Input 1&2 Volume
+ */
+#define WM8994_IN1_VU                           0x0100  /* IN1_VU */
+#define WM8994_IN1_VU_MASK                      0x0100  /* IN1_VU */
+#define WM8994_IN1_VU_SHIFT                          8  /* IN1_VU */
+#define WM8994_IN1_VU_WIDTH                          1  /* IN1_VU */
+#define WM8994_IN1R_MUTE                        0x0080  /* IN1R_MUTE */
+#define WM8994_IN1R_MUTE_MASK                   0x0080  /* IN1R_MUTE */
+#define WM8994_IN1R_MUTE_SHIFT                       7  /* IN1R_MUTE */
+#define WM8994_IN1R_MUTE_WIDTH                       1  /* IN1R_MUTE */
+#define WM8994_IN1R_ZC                          0x0040  /* IN1R_ZC */
+#define WM8994_IN1R_ZC_MASK                     0x0040  /* IN1R_ZC */
+#define WM8994_IN1R_ZC_SHIFT                         6  /* IN1R_ZC */
+#define WM8994_IN1R_ZC_WIDTH                         1  /* IN1R_ZC */
+#define WM8994_IN1R_VOL_MASK                    0x001F  /* IN1R_VOL - [4:0] */
+#define WM8994_IN1R_VOL_SHIFT                        0  /* IN1R_VOL - [4:0] */
+#define WM8994_IN1R_VOL_WIDTH                        5  /* IN1R_VOL - [4:0] */
+
+/*
+ * R27 (0x1B) - Right Line Input 3&4 Volume
+ */
+#define WM8994_IN2_VU                           0x0100  /* IN2_VU */
+#define WM8994_IN2_VU_MASK                      0x0100  /* IN2_VU */
+#define WM8994_IN2_VU_SHIFT                          8  /* IN2_VU */
+#define WM8994_IN2_VU_WIDTH                          1  /* IN2_VU */
+#define WM8994_IN2R_MUTE                        0x0080  /* IN2R_MUTE */
+#define WM8994_IN2R_MUTE_MASK                   0x0080  /* IN2R_MUTE */
+#define WM8994_IN2R_MUTE_SHIFT                       7  /* IN2R_MUTE */
+#define WM8994_IN2R_MUTE_WIDTH                       1  /* IN2R_MUTE */
+#define WM8994_IN2R_ZC                          0x0040  /* IN2R_ZC */
+#define WM8994_IN2R_ZC_MASK                     0x0040  /* IN2R_ZC */
+#define WM8994_IN2R_ZC_SHIFT                         6  /* IN2R_ZC */
+#define WM8994_IN2R_ZC_WIDTH                         1  /* IN2R_ZC */
+#define WM8994_IN2R_VOL_MASK                    0x001F  /* IN2R_VOL - [4:0] */
+#define WM8994_IN2R_VOL_SHIFT                        0  /* IN2R_VOL - [4:0] */
+#define WM8994_IN2R_VOL_WIDTH                        5  /* IN2R_VOL - [4:0] */
+
+/*
+ * R28 (0x1C) - Left Output Volume
+ */
+#define WM8994_HPOUT1_VU                        0x0100  /* HPOUT1_VU */
+#define WM8994_HPOUT1_VU_MASK                   0x0100  /* HPOUT1_VU */
+#define WM8994_HPOUT1_VU_SHIFT                       8  /* HPOUT1_VU */
+#define WM8994_HPOUT1_VU_WIDTH                       1  /* HPOUT1_VU */
+#define WM8994_HPOUT1L_ZC                       0x0080  /* HPOUT1L_ZC */
+#define WM8994_HPOUT1L_ZC_MASK                  0x0080  /* HPOUT1L_ZC */
+#define WM8994_HPOUT1L_ZC_SHIFT                      7  /* HPOUT1L_ZC */
+#define WM8994_HPOUT1L_ZC_WIDTH                      1  /* HPOUT1L_ZC */
+#define WM8994_HPOUT1L_MUTE_N                   0x0040  /* HPOUT1L_MUTE_N */
+#define WM8994_HPOUT1L_MUTE_N_MASK              0x0040  /* HPOUT1L_MUTE_N */
+#define WM8994_HPOUT1L_MUTE_N_SHIFT                  6  /* HPOUT1L_MUTE_N */
+#define WM8994_HPOUT1L_MUTE_N_WIDTH                  1  /* HPOUT1L_MUTE_N */
+#define WM8994_HPOUT1L_VOL_MASK                 0x003F  /* HPOUT1L_VOL - [5:0] */
+#define WM8994_HPOUT1L_VOL_SHIFT                     0  /* HPOUT1L_VOL - [5:0] */
+#define WM8994_HPOUT1L_VOL_WIDTH                     6  /* HPOUT1L_VOL - [5:0] */
+
+/*
+ * R29 (0x1D) - Right Output Volume
+ */
+#define WM8994_HPOUT1_VU                        0x0100  /* HPOUT1_VU */
+#define WM8994_HPOUT1_VU_MASK                   0x0100  /* HPOUT1_VU */
+#define WM8994_HPOUT1_VU_SHIFT                       8  /* HPOUT1_VU */
+#define WM8994_HPOUT1_VU_WIDTH                       1  /* HPOUT1_VU */
+#define WM8994_HPOUT1R_ZC                       0x0080  /* HPOUT1R_ZC */
+#define WM8994_HPOUT1R_ZC_MASK                  0x0080  /* HPOUT1R_ZC */
+#define WM8994_HPOUT1R_ZC_SHIFT                      7  /* HPOUT1R_ZC */
+#define WM8994_HPOUT1R_ZC_WIDTH                      1  /* HPOUT1R_ZC */
+#define WM8994_HPOUT1R_MUTE_N                   0x0040  /* HPOUT1R_MUTE_N */
+#define WM8994_HPOUT1R_MUTE_N_MASK              0x0040  /* HPOUT1R_MUTE_N */
+#define WM8994_HPOUT1R_MUTE_N_SHIFT                  6  /* HPOUT1R_MUTE_N */
+#define WM8994_HPOUT1R_MUTE_N_WIDTH                  1  /* HPOUT1R_MUTE_N */
+#define WM8994_HPOUT1R_VOL_MASK                 0x003F  /* HPOUT1R_VOL - [5:0] */
+#define WM8994_HPOUT1R_VOL_SHIFT                     0  /* HPOUT1R_VOL - [5:0] */
+#define WM8994_HPOUT1R_VOL_WIDTH                     6  /* HPOUT1R_VOL - [5:0] */
+
+/*
+ * R30 (0x1E) - Line Outputs Volume
+ */
+#define WM8994_LINEOUT1N_MUTE                   0x0040  /* LINEOUT1N_MUTE */
+#define WM8994_LINEOUT1N_MUTE_MASK              0x0040  /* LINEOUT1N_MUTE */
+#define WM8994_LINEOUT1N_MUTE_SHIFT                  6  /* LINEOUT1N_MUTE */
+#define WM8994_LINEOUT1N_MUTE_WIDTH                  1  /* LINEOUT1N_MUTE */
+#define WM8994_LINEOUT1P_MUTE                   0x0020  /* LINEOUT1P_MUTE */
+#define WM8994_LINEOUT1P_MUTE_MASK              0x0020  /* LINEOUT1P_MUTE */
+#define WM8994_LINEOUT1P_MUTE_SHIFT                  5  /* LINEOUT1P_MUTE */
+#define WM8994_LINEOUT1P_MUTE_WIDTH                  1  /* LINEOUT1P_MUTE */
+#define WM8994_LINEOUT1_VOL                     0x0010  /* LINEOUT1_VOL */
+#define WM8994_LINEOUT1_VOL_MASK                0x0010  /* LINEOUT1_VOL */
+#define WM8994_LINEOUT1_VOL_SHIFT                    4  /* LINEOUT1_VOL */
+#define WM8994_LINEOUT1_VOL_WIDTH                    1  /* LINEOUT1_VOL */
+#define WM8994_LINEOUT2N_MUTE                   0x0004  /* LINEOUT2N_MUTE */
+#define WM8994_LINEOUT2N_MUTE_MASK              0x0004  /* LINEOUT2N_MUTE */
+#define WM8994_LINEOUT2N_MUTE_SHIFT                  2  /* LINEOUT2N_MUTE */
+#define WM8994_LINEOUT2N_MUTE_WIDTH                  1  /* LINEOUT2N_MUTE */
+#define WM8994_LINEOUT2P_MUTE                   0x0002  /* LINEOUT2P_MUTE */
+#define WM8994_LINEOUT2P_MUTE_MASK              0x0002  /* LINEOUT2P_MUTE */
+#define WM8994_LINEOUT2P_MUTE_SHIFT                  1  /* LINEOUT2P_MUTE */
+#define WM8994_LINEOUT2P_MUTE_WIDTH                  1  /* LINEOUT2P_MUTE */
+#define WM8994_LINEOUT2_VOL                     0x0001  /* LINEOUT2_VOL */
+#define WM8994_LINEOUT2_VOL_MASK                0x0001  /* LINEOUT2_VOL */
+#define WM8994_LINEOUT2_VOL_SHIFT                    0  /* LINEOUT2_VOL */
+#define WM8994_LINEOUT2_VOL_WIDTH                    1  /* LINEOUT2_VOL */
+
+/*
+ * R31 (0x1F) - HPOUT2 Volume
+ */
+#define WM8994_HPOUT2_MUTE                      0x0020  /* HPOUT2_MUTE */
+#define WM8994_HPOUT2_MUTE_MASK                 0x0020  /* HPOUT2_MUTE */
+#define WM8994_HPOUT2_MUTE_SHIFT                     5  /* HPOUT2_MUTE */
+#define WM8994_HPOUT2_MUTE_WIDTH                     1  /* HPOUT2_MUTE */
+#define WM8994_HPOUT2_VOL                       0x0010  /* HPOUT2_VOL */
+#define WM8994_HPOUT2_VOL_MASK                  0x0010  /* HPOUT2_VOL */
+#define WM8994_HPOUT2_VOL_SHIFT                      4  /* HPOUT2_VOL */
+#define WM8994_HPOUT2_VOL_WIDTH                      1  /* HPOUT2_VOL */
+
+/*
+ * R32 (0x20) - Left OPGA Volume
+ */
+#define WM8994_MIXOUT_VU                        0x0100  /* MIXOUT_VU */
+#define WM8994_MIXOUT_VU_MASK                   0x0100  /* MIXOUT_VU */
+#define WM8994_MIXOUT_VU_SHIFT                       8  /* MIXOUT_VU */
+#define WM8994_MIXOUT_VU_WIDTH                       1  /* MIXOUT_VU */
+#define WM8994_MIXOUTL_ZC                       0x0080  /* MIXOUTL_ZC */
+#define WM8994_MIXOUTL_ZC_MASK                  0x0080  /* MIXOUTL_ZC */
+#define WM8994_MIXOUTL_ZC_SHIFT                      7  /* MIXOUTL_ZC */
+#define WM8994_MIXOUTL_ZC_WIDTH                      1  /* MIXOUTL_ZC */
+#define WM8994_MIXOUTL_MUTE_N                   0x0040  /* MIXOUTL_MUTE_N */
+#define WM8994_MIXOUTL_MUTE_N_MASK              0x0040  /* MIXOUTL_MUTE_N */
+#define WM8994_MIXOUTL_MUTE_N_SHIFT                  6  /* MIXOUTL_MUTE_N */
+#define WM8994_MIXOUTL_MUTE_N_WIDTH                  1  /* MIXOUTL_MUTE_N */
+#define WM8994_MIXOUTL_VOL_MASK                 0x003F  /* MIXOUTL_VOL - [5:0] */
+#define WM8994_MIXOUTL_VOL_SHIFT                     0  /* MIXOUTL_VOL - [5:0] */
+#define WM8994_MIXOUTL_VOL_WIDTH                     6  /* MIXOUTL_VOL - [5:0] */
+
+/*
+ * R33 (0x21) - Right OPGA Volume
+ */
+#define WM8994_MIXOUT_VU                        0x0100  /* MIXOUT_VU */
+#define WM8994_MIXOUT_VU_MASK                   0x0100  /* MIXOUT_VU */
+#define WM8994_MIXOUT_VU_SHIFT                       8  /* MIXOUT_VU */
+#define WM8994_MIXOUT_VU_WIDTH                       1  /* MIXOUT_VU */
+#define WM8994_MIXOUTR_ZC                       0x0080  /* MIXOUTR_ZC */
+#define WM8994_MIXOUTR_ZC_MASK                  0x0080  /* MIXOUTR_ZC */
+#define WM8994_MIXOUTR_ZC_SHIFT                      7  /* MIXOUTR_ZC */
+#define WM8994_MIXOUTR_ZC_WIDTH                      1  /* MIXOUTR_ZC */
+#define WM8994_MIXOUTR_MUTE_N                   0x0040  /* MIXOUTR_MUTE_N */
+#define WM8994_MIXOUTR_MUTE_N_MASK              0x0040  /* MIXOUTR_MUTE_N */
+#define WM8994_MIXOUTR_MUTE_N_SHIFT                  6  /* MIXOUTR_MUTE_N */
+#define WM8994_MIXOUTR_MUTE_N_WIDTH                  1  /* MIXOUTR_MUTE_N */
+#define WM8994_MIXOUTR_VOL_MASK                 0x003F  /* MIXOUTR_VOL - [5:0] */
+#define WM8994_MIXOUTR_VOL_SHIFT                     0  /* MIXOUTR_VOL - [5:0] */
+#define WM8994_MIXOUTR_VOL_WIDTH                     6  /* MIXOUTR_VOL - [5:0] */
+
+/*
+ * R34 (0x22) - SPKMIXL Attenuation
+ */
+#define WM8994_DAC2L_SPKMIXL_VOL                0x0040  /* DAC2L_SPKMIXL_VOL */
+#define WM8994_DAC2L_SPKMIXL_VOL_MASK           0x0040  /* DAC2L_SPKMIXL_VOL */
+#define WM8994_DAC2L_SPKMIXL_VOL_SHIFT               6  /* DAC2L_SPKMIXL_VOL */
+#define WM8994_DAC2L_SPKMIXL_VOL_WIDTH               1  /* DAC2L_SPKMIXL_VOL */
+#define WM8994_MIXINL_SPKMIXL_VOL               0x0020  /* MIXINL_SPKMIXL_VOL */
+#define WM8994_MIXINL_SPKMIXL_VOL_MASK          0x0020  /* MIXINL_SPKMIXL_VOL */
+#define WM8994_MIXINL_SPKMIXL_VOL_SHIFT              5  /* MIXINL_SPKMIXL_VOL */
+#define WM8994_MIXINL_SPKMIXL_VOL_WIDTH              1  /* MIXINL_SPKMIXL_VOL */
+#define WM8994_IN1LP_SPKMIXL_VOL                0x0010  /* IN1LP_SPKMIXL_VOL */
+#define WM8994_IN1LP_SPKMIXL_VOL_MASK           0x0010  /* IN1LP_SPKMIXL_VOL */
+#define WM8994_IN1LP_SPKMIXL_VOL_SHIFT               4  /* IN1LP_SPKMIXL_VOL */
+#define WM8994_IN1LP_SPKMIXL_VOL_WIDTH               1  /* IN1LP_SPKMIXL_VOL */
+#define WM8994_MIXOUTL_SPKMIXL_VOL              0x0008  /* MIXOUTL_SPKMIXL_VOL */
+#define WM8994_MIXOUTL_SPKMIXL_VOL_MASK         0x0008  /* MIXOUTL_SPKMIXL_VOL */
+#define WM8994_MIXOUTL_SPKMIXL_VOL_SHIFT             3  /* MIXOUTL_SPKMIXL_VOL */
+#define WM8994_MIXOUTL_SPKMIXL_VOL_WIDTH             1  /* MIXOUTL_SPKMIXL_VOL */
+#define WM8994_DAC1L_SPKMIXL_VOL                0x0004  /* DAC1L_SPKMIXL_VOL */
+#define WM8994_DAC1L_SPKMIXL_VOL_MASK           0x0004  /* DAC1L_SPKMIXL_VOL */
+#define WM8994_DAC1L_SPKMIXL_VOL_SHIFT               2  /* DAC1L_SPKMIXL_VOL */
+#define WM8994_DAC1L_SPKMIXL_VOL_WIDTH               1  /* DAC1L_SPKMIXL_VOL */
+#define WM8994_SPKMIXL_VOL_MASK                 0x0003  /* SPKMIXL_VOL - [1:0] */
+#define WM8994_SPKMIXL_VOL_SHIFT                     0  /* SPKMIXL_VOL - [1:0] */
+#define WM8994_SPKMIXL_VOL_WIDTH                     2  /* SPKMIXL_VOL - [1:0] */
+
+/*
+ * R35 (0x23) - SPKMIXR Attenuation
+ */
+#define WM8994_SPKOUT_CLASSAB                   0x0100  /* SPKOUT_CLASSAB */
+#define WM8994_SPKOUT_CLASSAB_MASK              0x0100  /* SPKOUT_CLASSAB */
+#define WM8994_SPKOUT_CLASSAB_SHIFT                  8  /* SPKOUT_CLASSAB */
+#define WM8994_SPKOUT_CLASSAB_WIDTH                  1  /* SPKOUT_CLASSAB */
+#define WM8994_DAC2R_SPKMIXR_VOL                0x0040  /* DAC2R_SPKMIXR_VOL */
+#define WM8994_DAC2R_SPKMIXR_VOL_MASK           0x0040  /* DAC2R_SPKMIXR_VOL */
+#define WM8994_DAC2R_SPKMIXR_VOL_SHIFT               6  /* DAC2R_SPKMIXR_VOL */
+#define WM8994_DAC2R_SPKMIXR_VOL_WIDTH               1  /* DAC2R_SPKMIXR_VOL */
+#define WM8994_MIXINR_SPKMIXR_VOL               0x0020  /* MIXINR_SPKMIXR_VOL */
+#define WM8994_MIXINR_SPKMIXR_VOL_MASK          0x0020  /* MIXINR_SPKMIXR_VOL */
+#define WM8994_MIXINR_SPKMIXR_VOL_SHIFT              5  /* MIXINR_SPKMIXR_VOL */
+#define WM8994_MIXINR_SPKMIXR_VOL_WIDTH              1  /* MIXINR_SPKMIXR_VOL */
+#define WM8994_IN1RP_SPKMIXR_VOL                0x0010  /* IN1RP_SPKMIXR_VOL */
+#define WM8994_IN1RP_SPKMIXR_VOL_MASK           0x0010  /* IN1RP_SPKMIXR_VOL */
+#define WM8994_IN1RP_SPKMIXR_VOL_SHIFT               4  /* IN1RP_SPKMIXR_VOL */
+#define WM8994_IN1RP_SPKMIXR_VOL_WIDTH               1  /* IN1RP_SPKMIXR_VOL */
+#define WM8994_MIXOUTR_SPKMIXR_VOL              0x0008  /* MIXOUTR_SPKMIXR_VOL */
+#define WM8994_MIXOUTR_SPKMIXR_VOL_MASK         0x0008  /* MIXOUTR_SPKMIXR_VOL */
+#define WM8994_MIXOUTR_SPKMIXR_VOL_SHIFT             3  /* MIXOUTR_SPKMIXR_VOL */
+#define WM8994_MIXOUTR_SPKMIXR_VOL_WIDTH             1  /* MIXOUTR_SPKMIXR_VOL */
+#define WM8994_DAC1R_SPKMIXR_VOL                0x0004  /* DAC1R_SPKMIXR_VOL */
+#define WM8994_DAC1R_SPKMIXR_VOL_MASK           0x0004  /* DAC1R_SPKMIXR_VOL */
+#define WM8994_DAC1R_SPKMIXR_VOL_SHIFT               2  /* DAC1R_SPKMIXR_VOL */
+#define WM8994_DAC1R_SPKMIXR_VOL_WIDTH               1  /* DAC1R_SPKMIXR_VOL */
+#define WM8994_SPKMIXR_VOL_MASK                 0x0003  /* SPKMIXR_VOL - [1:0] */
+#define WM8994_SPKMIXR_VOL_SHIFT                     0  /* SPKMIXR_VOL - [1:0] */
+#define WM8994_SPKMIXR_VOL_WIDTH                     2  /* SPKMIXR_VOL - [1:0] */
+
+/*
+ * R36 (0x24) - SPKOUT Mixers
+ */
+#define WM8994_IN2LRP_TO_SPKOUTL                0x0020  /* IN2LRP_TO_SPKOUTL */
+#define WM8994_IN2LRP_TO_SPKOUTL_MASK           0x0020  /* IN2LRP_TO_SPKOUTL */
+#define WM8994_IN2LRP_TO_SPKOUTL_SHIFT               5  /* IN2LRP_TO_SPKOUTL */
+#define WM8994_IN2LRP_TO_SPKOUTL_WIDTH               1  /* IN2LRP_TO_SPKOUTL */
+#define WM8994_SPKMIXL_TO_SPKOUTL               0x0010  /* SPKMIXL_TO_SPKOUTL */
+#define WM8994_SPKMIXL_TO_SPKOUTL_MASK          0x0010  /* SPKMIXL_TO_SPKOUTL */
+#define WM8994_SPKMIXL_TO_SPKOUTL_SHIFT              4  /* SPKMIXL_TO_SPKOUTL */
+#define WM8994_SPKMIXL_TO_SPKOUTL_WIDTH              1  /* SPKMIXL_TO_SPKOUTL */
+#define WM8994_SPKMIXR_TO_SPKOUTL               0x0008  /* SPKMIXR_TO_SPKOUTL */
+#define WM8994_SPKMIXR_TO_SPKOUTL_MASK          0x0008  /* SPKMIXR_TO_SPKOUTL */
+#define WM8994_SPKMIXR_TO_SPKOUTL_SHIFT              3  /* SPKMIXR_TO_SPKOUTL */
+#define WM8994_SPKMIXR_TO_SPKOUTL_WIDTH              1  /* SPKMIXR_TO_SPKOUTL */
+#define WM8994_IN2LRP_TO_SPKOUTR                0x0004  /* IN2LRP_TO_SPKOUTR */
+#define WM8994_IN2LRP_TO_SPKOUTR_MASK           0x0004  /* IN2LRP_TO_SPKOUTR */
+#define WM8994_IN2LRP_TO_SPKOUTR_SHIFT               2  /* IN2LRP_TO_SPKOUTR */
+#define WM8994_IN2LRP_TO_SPKOUTR_WIDTH               1  /* IN2LRP_TO_SPKOUTR */
+#define WM8994_SPKMIXL_TO_SPKOUTR               0x0002  /* SPKMIXL_TO_SPKOUTR */
+#define WM8994_SPKMIXL_TO_SPKOUTR_MASK          0x0002  /* SPKMIXL_TO_SPKOUTR */
+#define WM8994_SPKMIXL_TO_SPKOUTR_SHIFT              1  /* SPKMIXL_TO_SPKOUTR */
+#define WM8994_SPKMIXL_TO_SPKOUTR_WIDTH              1  /* SPKMIXL_TO_SPKOUTR */
+#define WM8994_SPKMIXR_TO_SPKOUTR               0x0001  /* SPKMIXR_TO_SPKOUTR */
+#define WM8994_SPKMIXR_TO_SPKOUTR_MASK          0x0001  /* SPKMIXR_TO_SPKOUTR */
+#define WM8994_SPKMIXR_TO_SPKOUTR_SHIFT              0  /* SPKMIXR_TO_SPKOUTR */
+#define WM8994_SPKMIXR_TO_SPKOUTR_WIDTH              1  /* SPKMIXR_TO_SPKOUTR */
+
+/*
+ * R37 (0x25) - ClassD
+ */
+#define WM8994_SPKOUTL_BOOST_MASK               0x0038  /* SPKOUTL_BOOST - [5:3] */
+#define WM8994_SPKOUTL_BOOST_SHIFT                   3  /* SPKOUTL_BOOST - [5:3] */
+#define WM8994_SPKOUTL_BOOST_WIDTH                   3  /* SPKOUTL_BOOST - [5:3] */
+#define WM8994_SPKOUTR_BOOST_MASK               0x0007  /* SPKOUTR_BOOST - [2:0] */
+#define WM8994_SPKOUTR_BOOST_SHIFT                   0  /* SPKOUTR_BOOST - [2:0] */
+#define WM8994_SPKOUTR_BOOST_WIDTH                   3  /* SPKOUTR_BOOST - [2:0] */
+
+/*
+ * R38 (0x26) - Speaker Volume Left
+ */
+#define WM8994_SPKOUT_VU                        0x0100  /* SPKOUT_VU */
+#define WM8994_SPKOUT_VU_MASK                   0x0100  /* SPKOUT_VU */
+#define WM8994_SPKOUT_VU_SHIFT                       8  /* SPKOUT_VU */
+#define WM8994_SPKOUT_VU_WIDTH                       1  /* SPKOUT_VU */
+#define WM8994_SPKOUTL_ZC                       0x0080  /* SPKOUTL_ZC */
+#define WM8994_SPKOUTL_ZC_MASK                  0x0080  /* SPKOUTL_ZC */
+#define WM8994_SPKOUTL_ZC_SHIFT                      7  /* SPKOUTL_ZC */
+#define WM8994_SPKOUTL_ZC_WIDTH                      1  /* SPKOUTL_ZC */
+#define WM8994_SPKOUTL_MUTE_N                   0x0040  /* SPKOUTL_MUTE_N */
+#define WM8994_SPKOUTL_MUTE_N_MASK              0x0040  /* SPKOUTL_MUTE_N */
+#define WM8994_SPKOUTL_MUTE_N_SHIFT                  6  /* SPKOUTL_MUTE_N */
+#define WM8994_SPKOUTL_MUTE_N_WIDTH                  1  /* SPKOUTL_MUTE_N */
+#define WM8994_SPKOUTL_VOL_MASK                 0x003F  /* SPKOUTL_VOL - [5:0] */
+#define WM8994_SPKOUTL_VOL_SHIFT                     0  /* SPKOUTL_VOL - [5:0] */
+#define WM8994_SPKOUTL_VOL_WIDTH                     6  /* SPKOUTL_VOL - [5:0] */
+
+/*
+ * R39 (0x27) - Speaker Volume Right
+ */
+#define WM8994_SPKOUT_VU                        0x0100  /* SPKOUT_VU */
+#define WM8994_SPKOUT_VU_MASK                   0x0100  /* SPKOUT_VU */
+#define WM8994_SPKOUT_VU_SHIFT                       8  /* SPKOUT_VU */
+#define WM8994_SPKOUT_VU_WIDTH                       1  /* SPKOUT_VU */
+#define WM8994_SPKOUTR_ZC                       0x0080  /* SPKOUTR_ZC */
+#define WM8994_SPKOUTR_ZC_MASK                  0x0080  /* SPKOUTR_ZC */
+#define WM8994_SPKOUTR_ZC_SHIFT                      7  /* SPKOUTR_ZC */
+#define WM8994_SPKOUTR_ZC_WIDTH                      1  /* SPKOUTR_ZC */
+#define WM8994_SPKOUTR_MUTE_N                   0x0040  /* SPKOUTR_MUTE_N */
+#define WM8994_SPKOUTR_MUTE_N_MASK              0x0040  /* SPKOUTR_MUTE_N */
+#define WM8994_SPKOUTR_MUTE_N_SHIFT                  6  /* SPKOUTR_MUTE_N */
+#define WM8994_SPKOUTR_MUTE_N_WIDTH                  1  /* SPKOUTR_MUTE_N */
+#define WM8994_SPKOUTR_VOL_MASK                 0x003F  /* SPKOUTR_VOL - [5:0] */
+#define WM8994_SPKOUTR_VOL_SHIFT                     0  /* SPKOUTR_VOL - [5:0] */
+#define WM8994_SPKOUTR_VOL_WIDTH                     6  /* SPKOUTR_VOL - [5:0] */
+
+/*
+ * R40 (0x28) - Input Mixer (2)
+ */
+#define WM8994_IN2LP_TO_IN2L                    0x0080  /* IN2LP_TO_IN2L */
+#define WM8994_IN2LP_TO_IN2L_MASK               0x0080  /* IN2LP_TO_IN2L */
+#define WM8994_IN2LP_TO_IN2L_SHIFT                   7  /* IN2LP_TO_IN2L */
+#define WM8994_IN2LP_TO_IN2L_WIDTH                   1  /* IN2LP_TO_IN2L */
+#define WM8994_IN2LN_TO_IN2L                    0x0040  /* IN2LN_TO_IN2L */
+#define WM8994_IN2LN_TO_IN2L_MASK               0x0040  /* IN2LN_TO_IN2L */
+#define WM8994_IN2LN_TO_IN2L_SHIFT                   6  /* IN2LN_TO_IN2L */
+#define WM8994_IN2LN_TO_IN2L_WIDTH                   1  /* IN2LN_TO_IN2L */
+#define WM8994_IN1LP_TO_IN1L                    0x0020  /* IN1LP_TO_IN1L */
+#define WM8994_IN1LP_TO_IN1L_MASK               0x0020  /* IN1LP_TO_IN1L */
+#define WM8994_IN1LP_TO_IN1L_SHIFT                   5  /* IN1LP_TO_IN1L */
+#define WM8994_IN1LP_TO_IN1L_WIDTH                   1  /* IN1LP_TO_IN1L */
+#define WM8994_IN1LN_TO_IN1L                    0x0010  /* IN1LN_TO_IN1L */
+#define WM8994_IN1LN_TO_IN1L_MASK               0x0010  /* IN1LN_TO_IN1L */
+#define WM8994_IN1LN_TO_IN1L_SHIFT                   4  /* IN1LN_TO_IN1L */
+#define WM8994_IN1LN_TO_IN1L_WIDTH                   1  /* IN1LN_TO_IN1L */
+#define WM8994_IN2RP_TO_IN2R                    0x0008  /* IN2RP_TO_IN2R */
+#define WM8994_IN2RP_TO_IN2R_MASK               0x0008  /* IN2RP_TO_IN2R */
+#define WM8994_IN2RP_TO_IN2R_SHIFT                   3  /* IN2RP_TO_IN2R */
+#define WM8994_IN2RP_TO_IN2R_WIDTH                   1  /* IN2RP_TO_IN2R */
+#define WM8994_IN2RN_TO_IN2R                    0x0004  /* IN2RN_TO_IN2R */
+#define WM8994_IN2RN_TO_IN2R_MASK               0x0004  /* IN2RN_TO_IN2R */
+#define WM8994_IN2RN_TO_IN2R_SHIFT                   2  /* IN2RN_TO_IN2R */
+#define WM8994_IN2RN_TO_IN2R_WIDTH                   1  /* IN2RN_TO_IN2R */
+#define WM8994_IN1RP_TO_IN1R                    0x0002  /* IN1RP_TO_IN1R */
+#define WM8994_IN1RP_TO_IN1R_MASK               0x0002  /* IN1RP_TO_IN1R */
+#define WM8994_IN1RP_TO_IN1R_SHIFT                   1  /* IN1RP_TO_IN1R */
+#define WM8994_IN1RP_TO_IN1R_WIDTH                   1  /* IN1RP_TO_IN1R */
+#define WM8994_IN1RN_TO_IN1R                    0x0001  /* IN1RN_TO_IN1R */
+#define WM8994_IN1RN_TO_IN1R_MASK               0x0001  /* IN1RN_TO_IN1R */
+#define WM8994_IN1RN_TO_IN1R_SHIFT                   0  /* IN1RN_TO_IN1R */
+#define WM8994_IN1RN_TO_IN1R_WIDTH                   1  /* IN1RN_TO_IN1R */
+
+/*
+ * R41 (0x29) - Input Mixer (3)
+ */
+#define WM8994_IN2L_TO_MIXINL                   0x0100  /* IN2L_TO_MIXINL */
+#define WM8994_IN2L_TO_MIXINL_MASK              0x0100  /* IN2L_TO_MIXINL */
+#define WM8994_IN2L_TO_MIXINL_SHIFT                  8  /* IN2L_TO_MIXINL */
+#define WM8994_IN2L_TO_MIXINL_WIDTH                  1  /* IN2L_TO_MIXINL */
+#define WM8994_IN2L_MIXINL_VOL                  0x0080  /* IN2L_MIXINL_VOL */
+#define WM8994_IN2L_MIXINL_VOL_MASK             0x0080  /* IN2L_MIXINL_VOL */
+#define WM8994_IN2L_MIXINL_VOL_SHIFT                 7  /* IN2L_MIXINL_VOL */
+#define WM8994_IN2L_MIXINL_VOL_WIDTH                 1  /* IN2L_MIXINL_VOL */
+#define WM8994_IN1L_TO_MIXINL                   0x0020  /* IN1L_TO_MIXINL */
+#define WM8994_IN1L_TO_MIXINL_MASK              0x0020  /* IN1L_TO_MIXINL */
+#define WM8994_IN1L_TO_MIXINL_SHIFT                  5  /* IN1L_TO_MIXINL */
+#define WM8994_IN1L_TO_MIXINL_WIDTH                  1  /* IN1L_TO_MIXINL */
+#define WM8994_IN1L_MIXINL_VOL                  0x0010  /* IN1L_MIXINL_VOL */
+#define WM8994_IN1L_MIXINL_VOL_MASK             0x0010  /* IN1L_MIXINL_VOL */
+#define WM8994_IN1L_MIXINL_VOL_SHIFT                 4  /* IN1L_MIXINL_VOL */
+#define WM8994_IN1L_MIXINL_VOL_WIDTH                 1  /* IN1L_MIXINL_VOL */
+#define WM8994_MIXOUTL_MIXINL_VOL_MASK          0x0007  /* MIXOUTL_MIXINL_VOL - [2:0] */
+#define WM8994_MIXOUTL_MIXINL_VOL_SHIFT              0  /* MIXOUTL_MIXINL_VOL - [2:0] */
+#define WM8994_MIXOUTL_MIXINL_VOL_WIDTH              3  /* MIXOUTL_MIXINL_VOL - [2:0] */
+
+/*
+ * R42 (0x2A) - Input Mixer (4)
+ */
+#define WM8994_IN2R_TO_MIXINR                   0x0100  /* IN2R_TO_MIXINR */
+#define WM8994_IN2R_TO_MIXINR_MASK              0x0100  /* IN2R_TO_MIXINR */
+#define WM8994_IN2R_TO_MIXINR_SHIFT                  8  /* IN2R_TO_MIXINR */
+#define WM8994_IN2R_TO_MIXINR_WIDTH                  1  /* IN2R_TO_MIXINR */
+#define WM8994_IN2R_MIXINR_VOL                  0x0080  /* IN2R_MIXINR_VOL */
+#define WM8994_IN2R_MIXINR_VOL_MASK             0x0080  /* IN2R_MIXINR_VOL */
+#define WM8994_IN2R_MIXINR_VOL_SHIFT                 7  /* IN2R_MIXINR_VOL */
+#define WM8994_IN2R_MIXINR_VOL_WIDTH                 1  /* IN2R_MIXINR_VOL */
+#define WM8994_IN1R_TO_MIXINR                   0x0020  /* IN1R_TO_MIXINR */
+#define WM8994_IN1R_TO_MIXINR_MASK              0x0020  /* IN1R_TO_MIXINR */
+#define WM8994_IN1R_TO_MIXINR_SHIFT                  5  /* IN1R_TO_MIXINR */
+#define WM8994_IN1R_TO_MIXINR_WIDTH                  1  /* IN1R_TO_MIXINR */
+#define WM8994_IN1R_MIXINR_VOL                  0x0010  /* IN1R_MIXINR_VOL */
+#define WM8994_IN1R_MIXINR_VOL_MASK             0x0010  /* IN1R_MIXINR_VOL */
+#define WM8994_IN1R_MIXINR_VOL_SHIFT                 4  /* IN1R_MIXINR_VOL */
+#define WM8994_IN1R_MIXINR_VOL_WIDTH                 1  /* IN1R_MIXINR_VOL */
+#define WM8994_MIXOUTR_MIXINR_VOL_MASK          0x0007  /* MIXOUTR_MIXINR_VOL - [2:0] */
+#define WM8994_MIXOUTR_MIXINR_VOL_SHIFT              0  /* MIXOUTR_MIXINR_VOL - [2:0] */
+#define WM8994_MIXOUTR_MIXINR_VOL_WIDTH              3  /* MIXOUTR_MIXINR_VOL - [2:0] */
+
+/*
+ * R43 (0x2B) - Input Mixer (5)
+ */
+#define WM8994_IN1LP_MIXINL_VOL_MASK            0x01C0  /* IN1LP_MIXINL_VOL - [8:6] */
+#define WM8994_IN1LP_MIXINL_VOL_SHIFT                6  /* IN1LP_MIXINL_VOL - [8:6] */
+#define WM8994_IN1LP_MIXINL_VOL_WIDTH                3  /* IN1LP_MIXINL_VOL - [8:6] */
+#define WM8994_IN2LRP_MIXINL_VOL_MASK           0x0007  /* IN2LRP_MIXINL_VOL - [2:0] */
+#define WM8994_IN2LRP_MIXINL_VOL_SHIFT               0  /* IN2LRP_MIXINL_VOL - [2:0] */
+#define WM8994_IN2LRP_MIXINL_VOL_WIDTH               3  /* IN2LRP_MIXINL_VOL - [2:0] */
+
+/*
+ * R44 (0x2C) - Input Mixer (6)
+ */
+#define WM8994_IN1RP_MIXINR_VOL_MASK            0x01C0  /* IN1RP_MIXINR_VOL - [8:6] */
+#define WM8994_IN1RP_MIXINR_VOL_SHIFT                6  /* IN1RP_MIXINR_VOL - [8:6] */
+#define WM8994_IN1RP_MIXINR_VOL_WIDTH                3  /* IN1RP_MIXINR_VOL - [8:6] */
+#define WM8994_IN2LRP_MIXINR_VOL_MASK           0x0007  /* IN2LRP_MIXINR_VOL - [2:0] */
+#define WM8994_IN2LRP_MIXINR_VOL_SHIFT               0  /* IN2LRP_MIXINR_VOL - [2:0] */
+#define WM8994_IN2LRP_MIXINR_VOL_WIDTH               3  /* IN2LRP_MIXINR_VOL - [2:0] */
+
+/*
+ * R45 (0x2D) - Output Mixer (1)
+ */
+#define WM8994_DAC1L_TO_HPOUT1L                 0x0100  /* DAC1L_TO_HPOUT1L */
+#define WM8994_DAC1L_TO_HPOUT1L_MASK            0x0100  /* DAC1L_TO_HPOUT1L */
+#define WM8994_DAC1L_TO_HPOUT1L_SHIFT                8  /* DAC1L_TO_HPOUT1L */
+#define WM8994_DAC1L_TO_HPOUT1L_WIDTH                1  /* DAC1L_TO_HPOUT1L */
+#define WM8994_MIXINR_TO_MIXOUTL                0x0080  /* MIXINR_TO_MIXOUTL */
+#define WM8994_MIXINR_TO_MIXOUTL_MASK           0x0080  /* MIXINR_TO_MIXOUTL */
+#define WM8994_MIXINR_TO_MIXOUTL_SHIFT               7  /* MIXINR_TO_MIXOUTL */
+#define WM8994_MIXINR_TO_MIXOUTL_WIDTH               1  /* MIXINR_TO_MIXOUTL */
+#define WM8994_MIXINL_TO_MIXOUTL                0x0040  /* MIXINL_TO_MIXOUTL */
+#define WM8994_MIXINL_TO_MIXOUTL_MASK           0x0040  /* MIXINL_TO_MIXOUTL */
+#define WM8994_MIXINL_TO_MIXOUTL_SHIFT               6  /* MIXINL_TO_MIXOUTL */
+#define WM8994_MIXINL_TO_MIXOUTL_WIDTH               1  /* MIXINL_TO_MIXOUTL */
+#define WM8994_IN2RN_TO_MIXOUTL                 0x0020  /* IN2RN_TO_MIXOUTL */
+#define WM8994_IN2RN_TO_MIXOUTL_MASK            0x0020  /* IN2RN_TO_MIXOUTL */
+#define WM8994_IN2RN_TO_MIXOUTL_SHIFT                5  /* IN2RN_TO_MIXOUTL */
+#define WM8994_IN2RN_TO_MIXOUTL_WIDTH                1  /* IN2RN_TO_MIXOUTL */
+#define WM8994_IN2LN_TO_MIXOUTL                 0x0010  /* IN2LN_TO_MIXOUTL */
+#define WM8994_IN2LN_TO_MIXOUTL_MASK            0x0010  /* IN2LN_TO_MIXOUTL */
+#define WM8994_IN2LN_TO_MIXOUTL_SHIFT                4  /* IN2LN_TO_MIXOUTL */
+#define WM8994_IN2LN_TO_MIXOUTL_WIDTH                1  /* IN2LN_TO_MIXOUTL */
+#define WM8994_IN1R_TO_MIXOUTL                  0x0008  /* IN1R_TO_MIXOUTL */
+#define WM8994_IN1R_TO_MIXOUTL_MASK             0x0008  /* IN1R_TO_MIXOUTL */
+#define WM8994_IN1R_TO_MIXOUTL_SHIFT                 3  /* IN1R_TO_MIXOUTL */
+#define WM8994_IN1R_TO_MIXOUTL_WIDTH                 1  /* IN1R_TO_MIXOUTL */
+#define WM8994_IN1L_TO_MIXOUTL                  0x0004  /* IN1L_TO_MIXOUTL */
+#define WM8994_IN1L_TO_MIXOUTL_MASK             0x0004  /* IN1L_TO_MIXOUTL */
+#define WM8994_IN1L_TO_MIXOUTL_SHIFT                 2  /* IN1L_TO_MIXOUTL */
+#define WM8994_IN1L_TO_MIXOUTL_WIDTH                 1  /* IN1L_TO_MIXOUTL */
+#define WM8994_IN2LP_TO_MIXOUTL                 0x0002  /* IN2LP_TO_MIXOUTL */
+#define WM8994_IN2LP_TO_MIXOUTL_MASK            0x0002  /* IN2LP_TO_MIXOUTL */
+#define WM8994_IN2LP_TO_MIXOUTL_SHIFT                1  /* IN2LP_TO_MIXOUTL */
+#define WM8994_IN2LP_TO_MIXOUTL_WIDTH                1  /* IN2LP_TO_MIXOUTL */
+#define WM8994_DAC1L_TO_MIXOUTL                 0x0001  /* DAC1L_TO_MIXOUTL */
+#define WM8994_DAC1L_TO_MIXOUTL_MASK            0x0001  /* DAC1L_TO_MIXOUTL */
+#define WM8994_DAC1L_TO_MIXOUTL_SHIFT                0  /* DAC1L_TO_MIXOUTL */
+#define WM8994_DAC1L_TO_MIXOUTL_WIDTH                1  /* DAC1L_TO_MIXOUTL */
+
+/*
+ * R46 (0x2E) - Output Mixer (2)
+ */
+#define WM8994_DAC1R_TO_HPOUT1R                 0x0100  /* DAC1R_TO_HPOUT1R */
+#define WM8994_DAC1R_TO_HPOUT1R_MASK            0x0100  /* DAC1R_TO_HPOUT1R */
+#define WM8994_DAC1R_TO_HPOUT1R_SHIFT                8  /* DAC1R_TO_HPOUT1R */
+#define WM8994_DAC1R_TO_HPOUT1R_WIDTH                1  /* DAC1R_TO_HPOUT1R */
+#define WM8994_MIXINL_TO_MIXOUTR                0x0080  /* MIXINL_TO_MIXOUTR */
+#define WM8994_MIXINL_TO_MIXOUTR_MASK           0x0080  /* MIXINL_TO_MIXOUTR */
+#define WM8994_MIXINL_TO_MIXOUTR_SHIFT               7  /* MIXINL_TO_MIXOUTR */
+#define WM8994_MIXINL_TO_MIXOUTR_WIDTH               1  /* MIXINL_TO_MIXOUTR */
+#define WM8994_MIXINR_TO_MIXOUTR                0x0040  /* MIXINR_TO_MIXOUTR */
+#define WM8994_MIXINR_TO_MIXOUTR_MASK           0x0040  /* MIXINR_TO_MIXOUTR */
+#define WM8994_MIXINR_TO_MIXOUTR_SHIFT               6  /* MIXINR_TO_MIXOUTR */
+#define WM8994_MIXINR_TO_MIXOUTR_WIDTH               1  /* MIXINR_TO_MIXOUTR */
+#define WM8994_IN2LN_TO_MIXOUTR                 0x0020  /* IN2LN_TO_MIXOUTR */
+#define WM8994_IN2LN_TO_MIXOUTR_MASK            0x0020  /* IN2LN_TO_MIXOUTR */
+#define WM8994_IN2LN_TO_MIXOUTR_SHIFT                5  /* IN2LN_TO_MIXOUTR */
+#define WM8994_IN2LN_TO_MIXOUTR_WIDTH                1  /* IN2LN_TO_MIXOUTR */
+#define WM8994_IN2RN_TO_MIXOUTR                 0x0010  /* IN2RN_TO_MIXOUTR */
+#define WM8994_IN2RN_TO_MIXOUTR_MASK            0x0010  /* IN2RN_TO_MIXOUTR */
+#define WM8994_IN2RN_TO_MIXOUTR_SHIFT                4  /* IN2RN_TO_MIXOUTR */
+#define WM8994_IN2RN_TO_MIXOUTR_WIDTH                1  /* IN2RN_TO_MIXOUTR */
+#define WM8994_IN1L_TO_MIXOUTR                  0x0008  /* IN1L_TO_MIXOUTR */
+#define WM8994_IN1L_TO_MIXOUTR_MASK             0x0008  /* IN1L_TO_MIXOUTR */
+#define WM8994_IN1L_TO_MIXOUTR_SHIFT                 3  /* IN1L_TO_MIXOUTR */
+#define WM8994_IN1L_TO_MIXOUTR_WIDTH                 1  /* IN1L_TO_MIXOUTR */
+#define WM8994_IN1R_TO_MIXOUTR                  0x0004  /* IN1R_TO_MIXOUTR */
+#define WM8994_IN1R_TO_MIXOUTR_MASK             0x0004  /* IN1R_TO_MIXOUTR */
+#define WM8994_IN1R_TO_MIXOUTR_SHIFT                 2  /* IN1R_TO_MIXOUTR */
+#define WM8994_IN1R_TO_MIXOUTR_WIDTH                 1  /* IN1R_TO_MIXOUTR */
+#define WM8994_IN2RP_TO_MIXOUTR                 0x0002  /* IN2RP_TO_MIXOUTR */
+#define WM8994_IN2RP_TO_MIXOUTR_MASK            0x0002  /* IN2RP_TO_MIXOUTR */
+#define WM8994_IN2RP_TO_MIXOUTR_SHIFT                1  /* IN2RP_TO_MIXOUTR */
+#define WM8994_IN2RP_TO_MIXOUTR_WIDTH                1  /* IN2RP_TO_MIXOUTR */
+#define WM8994_DAC1R_TO_MIXOUTR                 0x0001  /* DAC1R_TO_MIXOUTR */
+#define WM8994_DAC1R_TO_MIXOUTR_MASK            0x0001  /* DAC1R_TO_MIXOUTR */
+#define WM8994_DAC1R_TO_MIXOUTR_SHIFT                0  /* DAC1R_TO_MIXOUTR */
+#define WM8994_DAC1R_TO_MIXOUTR_WIDTH                1  /* DAC1R_TO_MIXOUTR */
+
+/*
+ * R47 (0x2F) - Output Mixer (3)
+ */
+#define WM8994_IN2LP_MIXOUTL_VOL_MASK           0x0E00  /* IN2LP_MIXOUTL_VOL - [11:9] */
+#define WM8994_IN2LP_MIXOUTL_VOL_SHIFT               9  /* IN2LP_MIXOUTL_VOL - [11:9] */
+#define WM8994_IN2LP_MIXOUTL_VOL_WIDTH               3  /* IN2LP_MIXOUTL_VOL - [11:9] */
+#define WM8994_IN2LN_MIXOUTL_VOL_MASK           0x01C0  /* IN2LN_MIXOUTL_VOL - [8:6] */
+#define WM8994_IN2LN_MIXOUTL_VOL_SHIFT               6  /* IN2LN_MIXOUTL_VOL - [8:6] */
+#define WM8994_IN2LN_MIXOUTL_VOL_WIDTH               3  /* IN2LN_MIXOUTL_VOL - [8:6] */
+#define WM8994_IN1R_MIXOUTL_VOL_MASK            0x0038  /* IN1R_MIXOUTL_VOL - [5:3] */
+#define WM8994_IN1R_MIXOUTL_VOL_SHIFT                3  /* IN1R_MIXOUTL_VOL - [5:3] */
+#define WM8994_IN1R_MIXOUTL_VOL_WIDTH                3  /* IN1R_MIXOUTL_VOL - [5:3] */
+#define WM8994_IN1L_MIXOUTL_VOL_MASK            0x0007  /* IN1L_MIXOUTL_VOL - [2:0] */
+#define WM8994_IN1L_MIXOUTL_VOL_SHIFT                0  /* IN1L_MIXOUTL_VOL - [2:0] */
+#define WM8994_IN1L_MIXOUTL_VOL_WIDTH                3  /* IN1L_MIXOUTL_VOL - [2:0] */
+
+/*
+ * R48 (0x30) - Output Mixer (4)
+ */
+#define WM8994_IN2RP_MIXOUTR_VOL_MASK           0x0E00  /* IN2RP_MIXOUTR_VOL - [11:9] */
+#define WM8994_IN2RP_MIXOUTR_VOL_SHIFT               9  /* IN2RP_MIXOUTR_VOL - [11:9] */
+#define WM8994_IN2RP_MIXOUTR_VOL_WIDTH               3  /* IN2RP_MIXOUTR_VOL - [11:9] */
+#define WM8994_IN2RN_MIXOUTR_VOL_MASK           0x01C0  /* IN2RN_MIXOUTR_VOL - [8:6] */
+#define WM8994_IN2RN_MIXOUTR_VOL_SHIFT               6  /* IN2RN_MIXOUTR_VOL - [8:6] */
+#define WM8994_IN2RN_MIXOUTR_VOL_WIDTH               3  /* IN2RN_MIXOUTR_VOL - [8:6] */
+#define WM8994_IN1L_MIXOUTR_VOL_MASK            0x0038  /* IN1L_MIXOUTR_VOL - [5:3] */
+#define WM8994_IN1L_MIXOUTR_VOL_SHIFT                3  /* IN1L_MIXOUTR_VOL - [5:3] */
+#define WM8994_IN1L_MIXOUTR_VOL_WIDTH                3  /* IN1L_MIXOUTR_VOL - [5:3] */
+#define WM8994_IN1R_MIXOUTR_VOL_MASK            0x0007  /* IN1R_MIXOUTR_VOL - [2:0] */
+#define WM8994_IN1R_MIXOUTR_VOL_SHIFT                0  /* IN1R_MIXOUTR_VOL - [2:0] */
+#define WM8994_IN1R_MIXOUTR_VOL_WIDTH                3  /* IN1R_MIXOUTR_VOL - [2:0] */
+
+/*
+ * R49 (0x31) - Output Mixer (5)
+ */
+#define WM8994_DAC1L_MIXOUTL_VOL_MASK           0x0E00  /* DAC1L_MIXOUTL_VOL - [11:9] */
+#define WM8994_DAC1L_MIXOUTL_VOL_SHIFT               9  /* DAC1L_MIXOUTL_VOL - [11:9] */
+#define WM8994_DAC1L_MIXOUTL_VOL_WIDTH               3  /* DAC1L_MIXOUTL_VOL - [11:9] */
+#define WM8994_IN2RN_MIXOUTL_VOL_MASK           0x01C0  /* IN2RN_MIXOUTL_VOL - [8:6] */
+#define WM8994_IN2RN_MIXOUTL_VOL_SHIFT               6  /* IN2RN_MIXOUTL_VOL - [8:6] */
+#define WM8994_IN2RN_MIXOUTL_VOL_WIDTH               3  /* IN2RN_MIXOUTL_VOL - [8:6] */
+#define WM8994_MIXINR_MIXOUTL_VOL_MASK          0x0038  /* MIXINR_MIXOUTL_VOL - [5:3] */
+#define WM8994_MIXINR_MIXOUTL_VOL_SHIFT              3  /* MIXINR_MIXOUTL_VOL - [5:3] */
+#define WM8994_MIXINR_MIXOUTL_VOL_WIDTH              3  /* MIXINR_MIXOUTL_VOL - [5:3] */
+#define WM8994_MIXINL_MIXOUTL_VOL_MASK          0x0007  /* MIXINL_MIXOUTL_VOL - [2:0] */
+#define WM8994_MIXINL_MIXOUTL_VOL_SHIFT              0  /* MIXINL_MIXOUTL_VOL - [2:0] */
+#define WM8994_MIXINL_MIXOUTL_VOL_WIDTH              3  /* MIXINL_MIXOUTL_VOL - [2:0] */
+
+/*
+ * R50 (0x32) - Output Mixer (6)
+ */
+#define WM8994_DAC1R_MIXOUTR_VOL_MASK           0x0E00  /* DAC1R_MIXOUTR_VOL - [11:9] */
+#define WM8994_DAC1R_MIXOUTR_VOL_SHIFT               9  /* DAC1R_MIXOUTR_VOL - [11:9] */
+#define WM8994_DAC1R_MIXOUTR_VOL_WIDTH               3  /* DAC1R_MIXOUTR_VOL - [11:9] */
+#define WM8994_IN2LN_MIXOUTR_VOL_MASK           0x01C0  /* IN2LN_MIXOUTR_VOL - [8:6] */
+#define WM8994_IN2LN_MIXOUTR_VOL_SHIFT               6  /* IN2LN_MIXOUTR_VOL - [8:6] */
+#define WM8994_IN2LN_MIXOUTR_VOL_WIDTH               3  /* IN2LN_MIXOUTR_VOL - [8:6] */
+#define WM8994_MIXINL_MIXOUTR_VOL_MASK          0x0038  /* MIXINL_MIXOUTR_VOL - [5:3] */
+#define WM8994_MIXINL_MIXOUTR_VOL_SHIFT              3  /* MIXINL_MIXOUTR_VOL - [5:3] */
+#define WM8994_MIXINL_MIXOUTR_VOL_WIDTH              3  /* MIXINL_MIXOUTR_VOL - [5:3] */
+#define WM8994_MIXINR_MIXOUTR_VOL_MASK          0x0007  /* MIXINR_MIXOUTR_VOL - [2:0] */
+#define WM8994_MIXINR_MIXOUTR_VOL_SHIFT              0  /* MIXINR_MIXOUTR_VOL - [2:0] */
+#define WM8994_MIXINR_MIXOUTR_VOL_WIDTH              3  /* MIXINR_MIXOUTR_VOL - [2:0] */
+
+/*
+ * R51 (0x33) - HPOUT2 Mixer
+ */
+#define WM8994_IN2LRP_TO_HPOUT2                 0x0020  /* IN2LRP_TO_HPOUT2 */
+#define WM8994_IN2LRP_TO_HPOUT2_MASK            0x0020  /* IN2LRP_TO_HPOUT2 */
+#define WM8994_IN2LRP_TO_HPOUT2_SHIFT                5  /* IN2LRP_TO_HPOUT2 */
+#define WM8994_IN2LRP_TO_HPOUT2_WIDTH                1  /* IN2LRP_TO_HPOUT2 */
+#define WM8994_MIXOUTLVOL_TO_HPOUT2             0x0010  /* MIXOUTLVOL_TO_HPOUT2 */
+#define WM8994_MIXOUTLVOL_TO_HPOUT2_MASK        0x0010  /* MIXOUTLVOL_TO_HPOUT2 */
+#define WM8994_MIXOUTLVOL_TO_HPOUT2_SHIFT            4  /* MIXOUTLVOL_TO_HPOUT2 */
+#define WM8994_MIXOUTLVOL_TO_HPOUT2_WIDTH            1  /* MIXOUTLVOL_TO_HPOUT2 */
+#define WM8994_MIXOUTRVOL_TO_HPOUT2             0x0008  /* MIXOUTRVOL_TO_HPOUT2 */
+#define WM8994_MIXOUTRVOL_TO_HPOUT2_MASK        0x0008  /* MIXOUTRVOL_TO_HPOUT2 */
+#define WM8994_MIXOUTRVOL_TO_HPOUT2_SHIFT            3  /* MIXOUTRVOL_TO_HPOUT2 */
+#define WM8994_MIXOUTRVOL_TO_HPOUT2_WIDTH            1  /* MIXOUTRVOL_TO_HPOUT2 */
+
+/*
+ * R52 (0x34) - Line Mixer (1)
+ */
+#define WM8994_MIXOUTL_TO_LINEOUT1N             0x0040  /* MIXOUTL_TO_LINEOUT1N */
+#define WM8994_MIXOUTL_TO_LINEOUT1N_MASK        0x0040  /* MIXOUTL_TO_LINEOUT1N */
+#define WM8994_MIXOUTL_TO_LINEOUT1N_SHIFT            6  /* MIXOUTL_TO_LINEOUT1N */
+#define WM8994_MIXOUTL_TO_LINEOUT1N_WIDTH            1  /* MIXOUTL_TO_LINEOUT1N */
+#define WM8994_MIXOUTR_TO_LINEOUT1N             0x0020  /* MIXOUTR_TO_LINEOUT1N */
+#define WM8994_MIXOUTR_TO_LINEOUT1N_MASK        0x0020  /* MIXOUTR_TO_LINEOUT1N */
+#define WM8994_MIXOUTR_TO_LINEOUT1N_SHIFT            5  /* MIXOUTR_TO_LINEOUT1N */
+#define WM8994_MIXOUTR_TO_LINEOUT1N_WIDTH            1  /* MIXOUTR_TO_LINEOUT1N */
+#define WM8994_LINEOUT1_MODE                    0x0010  /* LINEOUT1_MODE */
+#define WM8994_LINEOUT1_MODE_MASK               0x0010  /* LINEOUT1_MODE */
+#define WM8994_LINEOUT1_MODE_SHIFT                   4  /* LINEOUT1_MODE */
+#define WM8994_LINEOUT1_MODE_WIDTH                   1  /* LINEOUT1_MODE */
+#define WM8994_IN1R_TO_LINEOUT1P                0x0004  /* IN1R_TO_LINEOUT1P */
+#define WM8994_IN1R_TO_LINEOUT1P_MASK           0x0004  /* IN1R_TO_LINEOUT1P */
+#define WM8994_IN1R_TO_LINEOUT1P_SHIFT               2  /* IN1R_TO_LINEOUT1P */
+#define WM8994_IN1R_TO_LINEOUT1P_WIDTH               1  /* IN1R_TO_LINEOUT1P */
+#define WM8994_IN1L_TO_LINEOUT1P                0x0002  /* IN1L_TO_LINEOUT1P */
+#define WM8994_IN1L_TO_LINEOUT1P_MASK           0x0002  /* IN1L_TO_LINEOUT1P */
+#define WM8994_IN1L_TO_LINEOUT1P_SHIFT               1  /* IN1L_TO_LINEOUT1P */
+#define WM8994_IN1L_TO_LINEOUT1P_WIDTH               1  /* IN1L_TO_LINEOUT1P */
+#define WM8994_MIXOUTL_TO_LINEOUT1P             0x0001  /* MIXOUTL_TO_LINEOUT1P */
+#define WM8994_MIXOUTL_TO_LINEOUT1P_MASK        0x0001  /* MIXOUTL_TO_LINEOUT1P */
+#define WM8994_MIXOUTL_TO_LINEOUT1P_SHIFT            0  /* MIXOUTL_TO_LINEOUT1P */
+#define WM8994_MIXOUTL_TO_LINEOUT1P_WIDTH            1  /* MIXOUTL_TO_LINEOUT1P */
+
+/*
+ * R53 (0x35) - Line Mixer (2)
+ */
+#define WM8994_MIXOUTR_TO_LINEOUT2N             0x0040  /* MIXOUTR_TO_LINEOUT2N */
+#define WM8994_MIXOUTR_TO_LINEOUT2N_MASK        0x0040  /* MIXOUTR_TO_LINEOUT2N */
+#define WM8994_MIXOUTR_TO_LINEOUT2N_SHIFT            6  /* MIXOUTR_TO_LINEOUT2N */
+#define WM8994_MIXOUTR_TO_LINEOUT2N_WIDTH            1  /* MIXOUTR_TO_LINEOUT2N */
+#define WM8994_MIXOUTL_TO_LINEOUT2N             0x0020  /* MIXOUTL_TO_LINEOUT2N */
+#define WM8994_MIXOUTL_TO_LINEOUT2N_MASK        0x0020  /* MIXOUTL_TO_LINEOUT2N */
+#define WM8994_MIXOUTL_TO_LINEOUT2N_SHIFT            5  /* MIXOUTL_TO_LINEOUT2N */
+#define WM8994_MIXOUTL_TO_LINEOUT2N_WIDTH            1  /* MIXOUTL_TO_LINEOUT2N */
+#define WM8994_LINEOUT2_MODE                    0x0010  /* LINEOUT2_MODE */
+#define WM8994_LINEOUT2_MODE_MASK               0x0010  /* LINEOUT2_MODE */
+#define WM8994_LINEOUT2_MODE_SHIFT                   4  /* LINEOUT2_MODE */
+#define WM8994_LINEOUT2_MODE_WIDTH                   1  /* LINEOUT2_MODE */
+#define WM8994_IN1L_TO_LINEOUT2P                0x0004  /* IN1L_TO_LINEOUT2P */
+#define WM8994_IN1L_TO_LINEOUT2P_MASK           0x0004  /* IN1L_TO_LINEOUT2P */
+#define WM8994_IN1L_TO_LINEOUT2P_SHIFT               2  /* IN1L_TO_LINEOUT2P */
+#define WM8994_IN1L_TO_LINEOUT2P_WIDTH               1  /* IN1L_TO_LINEOUT2P */
+#define WM8994_IN1R_TO_LINEOUT2P                0x0002  /* IN1R_TO_LINEOUT2P */
+#define WM8994_IN1R_TO_LINEOUT2P_MASK           0x0002  /* IN1R_TO_LINEOUT2P */
+#define WM8994_IN1R_TO_LINEOUT2P_SHIFT               1  /* IN1R_TO_LINEOUT2P */
+#define WM8994_IN1R_TO_LINEOUT2P_WIDTH               1  /* IN1R_TO_LINEOUT2P */
+#define WM8994_MIXOUTR_TO_LINEOUT2P             0x0001  /* MIXOUTR_TO_LINEOUT2P */
+#define WM8994_MIXOUTR_TO_LINEOUT2P_MASK        0x0001  /* MIXOUTR_TO_LINEOUT2P */
+#define WM8994_MIXOUTR_TO_LINEOUT2P_SHIFT            0  /* MIXOUTR_TO_LINEOUT2P */
+#define WM8994_MIXOUTR_TO_LINEOUT2P_WIDTH            1  /* MIXOUTR_TO_LINEOUT2P */
+
+/*
+ * R54 (0x36) - Speaker Mixer
+ */
+#define WM8994_DAC2L_TO_SPKMIXL                 0x0200  /* DAC2L_TO_SPKMIXL */
+#define WM8994_DAC2L_TO_SPKMIXL_MASK            0x0200  /* DAC2L_TO_SPKMIXL */
+#define WM8994_DAC2L_TO_SPKMIXL_SHIFT                9  /* DAC2L_TO_SPKMIXL */
+#define WM8994_DAC2L_TO_SPKMIXL_WIDTH                1  /* DAC2L_TO_SPKMIXL */
+#define WM8994_DAC2R_TO_SPKMIXR                 0x0100  /* DAC2R_TO_SPKMIXR */
+#define WM8994_DAC2R_TO_SPKMIXR_MASK            0x0100  /* DAC2R_TO_SPKMIXR */
+#define WM8994_DAC2R_TO_SPKMIXR_SHIFT                8  /* DAC2R_TO_SPKMIXR */
+#define WM8994_DAC2R_TO_SPKMIXR_WIDTH                1  /* DAC2R_TO_SPKMIXR */
+#define WM8994_MIXINL_TO_SPKMIXL                0x0080  /* MIXINL_TO_SPKMIXL */
+#define WM8994_MIXINL_TO_SPKMIXL_MASK           0x0080  /* MIXINL_TO_SPKMIXL */
+#define WM8994_MIXINL_TO_SPKMIXL_SHIFT               7  /* MIXINL_TO_SPKMIXL */
+#define WM8994_MIXINL_TO_SPKMIXL_WIDTH               1  /* MIXINL_TO_SPKMIXL */
+#define WM8994_MIXINR_TO_SPKMIXR                0x0040  /* MIXINR_TO_SPKMIXR */
+#define WM8994_MIXINR_TO_SPKMIXR_MASK           0x0040  /* MIXINR_TO_SPKMIXR */
+#define WM8994_MIXINR_TO_SPKMIXR_SHIFT               6  /* MIXINR_TO_SPKMIXR */
+#define WM8994_MIXINR_TO_SPKMIXR_WIDTH               1  /* MIXINR_TO_SPKMIXR */
+#define WM8994_IN1LP_TO_SPKMIXL                 0x0020  /* IN1LP_TO_SPKMIXL */
+#define WM8994_IN1LP_TO_SPKMIXL_MASK            0x0020  /* IN1LP_TO_SPKMIXL */
+#define WM8994_IN1LP_TO_SPKMIXL_SHIFT                5  /* IN1LP_TO_SPKMIXL */
+#define WM8994_IN1LP_TO_SPKMIXL_WIDTH                1  /* IN1LP_TO_SPKMIXL */
+#define WM8994_IN1RP_TO_SPKMIXR                 0x0010  /* IN1RP_TO_SPKMIXR */
+#define WM8994_IN1RP_TO_SPKMIXR_MASK            0x0010  /* IN1RP_TO_SPKMIXR */
+#define WM8994_IN1RP_TO_SPKMIXR_SHIFT                4  /* IN1RP_TO_SPKMIXR */
+#define WM8994_IN1RP_TO_SPKMIXR_WIDTH                1  /* IN1RP_TO_SPKMIXR */
+#define WM8994_MIXOUTL_TO_SPKMIXL               0x0008  /* MIXOUTL_TO_SPKMIXL */
+#define WM8994_MIXOUTL_TO_SPKMIXL_MASK          0x0008  /* MIXOUTL_TO_SPKMIXL */
+#define WM8994_MIXOUTL_TO_SPKMIXL_SHIFT              3  /* MIXOUTL_TO_SPKMIXL */
+#define WM8994_MIXOUTL_TO_SPKMIXL_WIDTH              1  /* MIXOUTL_TO_SPKMIXL */
+#define WM8994_MIXOUTR_TO_SPKMIXR               0x0004  /* MIXOUTR_TO_SPKMIXR */
+#define WM8994_MIXOUTR_TO_SPKMIXR_MASK          0x0004  /* MIXOUTR_TO_SPKMIXR */
+#define WM8994_MIXOUTR_TO_SPKMIXR_SHIFT              2  /* MIXOUTR_TO_SPKMIXR */
+#define WM8994_MIXOUTR_TO_SPKMIXR_WIDTH              1  /* MIXOUTR_TO_SPKMIXR */
+#define WM8994_DAC1L_TO_SPKMIXL                 0x0002  /* DAC1L_TO_SPKMIXL */
+#define WM8994_DAC1L_TO_SPKMIXL_MASK            0x0002  /* DAC1L_TO_SPKMIXL */
+#define WM8994_DAC1L_TO_SPKMIXL_SHIFT                1  /* DAC1L_TO_SPKMIXL */
+#define WM8994_DAC1L_TO_SPKMIXL_WIDTH                1  /* DAC1L_TO_SPKMIXL */
+#define WM8994_DAC1R_TO_SPKMIXR                 0x0001  /* DAC1R_TO_SPKMIXR */
+#define WM8994_DAC1R_TO_SPKMIXR_MASK            0x0001  /* DAC1R_TO_SPKMIXR */
+#define WM8994_DAC1R_TO_SPKMIXR_SHIFT                0  /* DAC1R_TO_SPKMIXR */
+#define WM8994_DAC1R_TO_SPKMIXR_WIDTH                1  /* DAC1R_TO_SPKMIXR */
+
+/*
+ * R55 (0x37) - Additional Control
+ */
+#define WM8994_LINEOUT1_FB                      0x0080  /* LINEOUT1_FB */
+#define WM8994_LINEOUT1_FB_MASK                 0x0080  /* LINEOUT1_FB */
+#define WM8994_LINEOUT1_FB_SHIFT                     7  /* LINEOUT1_FB */
+#define WM8994_LINEOUT1_FB_WIDTH                     1  /* LINEOUT1_FB */
+#define WM8994_LINEOUT2_FB                      0x0040  /* LINEOUT2_FB */
+#define WM8994_LINEOUT2_FB_MASK                 0x0040  /* LINEOUT2_FB */
+#define WM8994_LINEOUT2_FB_SHIFT                     6  /* LINEOUT2_FB */
+#define WM8994_LINEOUT2_FB_WIDTH                     1  /* LINEOUT2_FB */
+#define WM8994_VROI                             0x0001  /* VROI */
+#define WM8994_VROI_MASK                        0x0001  /* VROI */
+#define WM8994_VROI_SHIFT                            0  /* VROI */
+#define WM8994_VROI_WIDTH                            1  /* VROI */
+
+/*
+ * R56 (0x38) - AntiPOP (1)
+ */
+#define WM8994_LINEOUT_VMID_BUF_ENA             0x0080  /* LINEOUT_VMID_BUF_ENA */
+#define WM8994_LINEOUT_VMID_BUF_ENA_MASK        0x0080  /* LINEOUT_VMID_BUF_ENA */
+#define WM8994_LINEOUT_VMID_BUF_ENA_SHIFT            7  /* LINEOUT_VMID_BUF_ENA */
+#define WM8994_LINEOUT_VMID_BUF_ENA_WIDTH            1  /* LINEOUT_VMID_BUF_ENA */
+#define WM8994_HPOUT2_IN_ENA                    0x0040  /* HPOUT2_IN_ENA */
+#define WM8994_HPOUT2_IN_ENA_MASK               0x0040  /* HPOUT2_IN_ENA */
+#define WM8994_HPOUT2_IN_ENA_SHIFT                   6  /* HPOUT2_IN_ENA */
+#define WM8994_HPOUT2_IN_ENA_WIDTH                   1  /* HPOUT2_IN_ENA */
+#define WM8994_LINEOUT1_DISCH                   0x0020  /* LINEOUT1_DISCH */
+#define WM8994_LINEOUT1_DISCH_MASK              0x0020  /* LINEOUT1_DISCH */
+#define WM8994_LINEOUT1_DISCH_SHIFT                  5  /* LINEOUT1_DISCH */
+#define WM8994_LINEOUT1_DISCH_WIDTH                  1  /* LINEOUT1_DISCH */
+#define WM8994_LINEOUT2_DISCH                   0x0010  /* LINEOUT2_DISCH */
+#define WM8994_LINEOUT2_DISCH_MASK              0x0010  /* LINEOUT2_DISCH */
+#define WM8994_LINEOUT2_DISCH_SHIFT                  4  /* LINEOUT2_DISCH */
+#define WM8994_LINEOUT2_DISCH_WIDTH                  1  /* LINEOUT2_DISCH */
+
+/*
+ * R57 (0x39) - AntiPOP (2)
+ */
+#define WM8994_MICB2_DISCH                      0x0100  /* MICB2_DISCH */
+#define WM8994_MICB2_DISCH_MASK                 0x0100  /* MICB2_DISCH */
+#define WM8994_MICB2_DISCH_SHIFT                     8  /* MICB2_DISCH */
+#define WM8994_MICB2_DISCH_WIDTH                     1  /* MICB2_DISCH */
+#define WM8994_MICB1_DISCH                      0x0080  /* MICB1_DISCH */
+#define WM8994_MICB1_DISCH_MASK                 0x0080  /* MICB1_DISCH */
+#define WM8994_MICB1_DISCH_SHIFT                     7  /* MICB1_DISCH */
+#define WM8994_MICB1_DISCH_WIDTH                     1  /* MICB1_DISCH */
+#define WM8994_VMID_RAMP_MASK                   0x0060  /* VMID_RAMP - [6:5] */
+#define WM8994_VMID_RAMP_SHIFT                       5  /* VMID_RAMP - [6:5] */
+#define WM8994_VMID_RAMP_WIDTH                       2  /* VMID_RAMP - [6:5] */
+#define WM8994_VMID_BUF_ENA                     0x0008  /* VMID_BUF_ENA */
+#define WM8994_VMID_BUF_ENA_MASK                0x0008  /* VMID_BUF_ENA */
+#define WM8994_VMID_BUF_ENA_SHIFT                    3  /* VMID_BUF_ENA */
+#define WM8994_VMID_BUF_ENA_WIDTH                    1  /* VMID_BUF_ENA */
+#define WM8994_STARTUP_BIAS_ENA                 0x0004  /* STARTUP_BIAS_ENA */
+#define WM8994_STARTUP_BIAS_ENA_MASK            0x0004  /* STARTUP_BIAS_ENA */
+#define WM8994_STARTUP_BIAS_ENA_SHIFT                2  /* STARTUP_BIAS_ENA */
+#define WM8994_STARTUP_BIAS_ENA_WIDTH                1  /* STARTUP_BIAS_ENA */
+#define WM8994_BIAS_SRC                         0x0002  /* BIAS_SRC */
+#define WM8994_BIAS_SRC_MASK                    0x0002  /* BIAS_SRC */
+#define WM8994_BIAS_SRC_SHIFT                        1  /* BIAS_SRC */
+#define WM8994_BIAS_SRC_WIDTH                        1  /* BIAS_SRC */
+#define WM8994_VMID_DISCH                       0x0001  /* VMID_DISCH */
+#define WM8994_VMID_DISCH_MASK                  0x0001  /* VMID_DISCH */
+#define WM8994_VMID_DISCH_SHIFT                      0  /* VMID_DISCH */
+#define WM8994_VMID_DISCH_WIDTH                      1  /* VMID_DISCH */
+
+/*
+ * R58 (0x3A) - MICBIAS
+ */
+#define WM8994_MICD_SCTHR_MASK                  0x00C0  /* MICD_SCTHR - [7:6] */
+#define WM8994_MICD_SCTHR_SHIFT                      6  /* MICD_SCTHR - [7:6] */
+#define WM8994_MICD_SCTHR_WIDTH                      2  /* MICD_SCTHR - [7:6] */
+#define WM8994_MICD_THR_MASK                    0x0038  /* MICD_THR - [5:3] */
+#define WM8994_MICD_THR_SHIFT                        3  /* MICD_THR - [5:3] */
+#define WM8994_MICD_THR_WIDTH                        3  /* MICD_THR - [5:3] */
+#define WM8994_MICD_ENA                         0x0004  /* MICD_ENA */
+#define WM8994_MICD_ENA_MASK                    0x0004  /* MICD_ENA */
+#define WM8994_MICD_ENA_SHIFT                        2  /* MICD_ENA */
+#define WM8994_MICD_ENA_WIDTH                        1  /* MICD_ENA */
+#define WM8994_MICB2_LVL                        0x0002  /* MICB2_LVL */
+#define WM8994_MICB2_LVL_MASK                   0x0002  /* MICB2_LVL */
+#define WM8994_MICB2_LVL_SHIFT                       1  /* MICB2_LVL */
+#define WM8994_MICB2_LVL_WIDTH                       1  /* MICB2_LVL */
+#define WM8994_MICB1_LVL                        0x0001  /* MICB1_LVL */
+#define WM8994_MICB1_LVL_MASK                   0x0001  /* MICB1_LVL */
+#define WM8994_MICB1_LVL_SHIFT                       0  /* MICB1_LVL */
+#define WM8994_MICB1_LVL_WIDTH                       1  /* MICB1_LVL */
+
+/*
+ * R59 (0x3B) - LDO 1
+ */
+#define WM8994_LDO1_VSEL_MASK                   0x000E  /* LDO1_VSEL - [3:1] */
+#define WM8994_LDO1_VSEL_SHIFT                       1  /* LDO1_VSEL - [3:1] */
+#define WM8994_LDO1_VSEL_WIDTH                       3  /* LDO1_VSEL - [3:1] */
+#define WM8994_LDO1_DISCH                       0x0001  /* LDO1_DISCH */
+#define WM8994_LDO1_DISCH_MASK                  0x0001  /* LDO1_DISCH */
+#define WM8994_LDO1_DISCH_SHIFT                      0  /* LDO1_DISCH */
+#define WM8994_LDO1_DISCH_WIDTH                      1  /* LDO1_DISCH */
+
+/*
+ * R60 (0x3C) - LDO 2
+ */
+#define WM8994_LDO2_VSEL_MASK                   0x0006  /* LDO2_VSEL - [2:1] */
+#define WM8994_LDO2_VSEL_SHIFT                       1  /* LDO2_VSEL - [2:1] */
+#define WM8994_LDO2_VSEL_WIDTH                       2  /* LDO2_VSEL - [2:1] */
+#define WM8994_LDO2_DISCH                       0x0001  /* LDO2_DISCH */
+#define WM8994_LDO2_DISCH_MASK                  0x0001  /* LDO2_DISCH */
+#define WM8994_LDO2_DISCH_SHIFT                      0  /* LDO2_DISCH */
+#define WM8994_LDO2_DISCH_WIDTH                      1  /* LDO2_DISCH */
+
+/*
+ * R76 (0x4C) - Charge Pump (1)
+ */
+#define WM8994_CP_ENA                           0x8000  /* CP_ENA */
+#define WM8994_CP_ENA_MASK                      0x8000  /* CP_ENA */
+#define WM8994_CP_ENA_SHIFT                         15  /* CP_ENA */
+#define WM8994_CP_ENA_WIDTH                          1  /* CP_ENA */
+
+/*
+ * R81 (0x51) - Class W (1)
+ */
+#define WM8994_CP_DYN_SRC_SEL_MASK              0x0300  /* CP_DYN_SRC_SEL - [9:8] */
+#define WM8994_CP_DYN_SRC_SEL_SHIFT                  8  /* CP_DYN_SRC_SEL - [9:8] */
+#define WM8994_CP_DYN_SRC_SEL_WIDTH                  2  /* CP_DYN_SRC_SEL - [9:8] */
+#define WM8994_CP_DYN_PWR                       0x0001  /* CP_DYN_PWR */
+#define WM8994_CP_DYN_PWR_MASK                  0x0001  /* CP_DYN_PWR */
+#define WM8994_CP_DYN_PWR_SHIFT                      0  /* CP_DYN_PWR */
+#define WM8994_CP_DYN_PWR_WIDTH                      1  /* CP_DYN_PWR */
+
+/*
+ * R84 (0x54) - DC Servo (1)
+ */
+#define WM8994_DCS_TRIG_SINGLE_1                0x2000  /* DCS_TRIG_SINGLE_1 */
+#define WM8994_DCS_TRIG_SINGLE_1_MASK           0x2000  /* DCS_TRIG_SINGLE_1 */
+#define WM8994_DCS_TRIG_SINGLE_1_SHIFT              13  /* DCS_TRIG_SINGLE_1 */
+#define WM8994_DCS_TRIG_SINGLE_1_WIDTH               1  /* DCS_TRIG_SINGLE_1 */
+#define WM8994_DCS_TRIG_SINGLE_0                0x1000  /* DCS_TRIG_SINGLE_0 */
+#define WM8994_DCS_TRIG_SINGLE_0_MASK           0x1000  /* DCS_TRIG_SINGLE_0 */
+#define WM8994_DCS_TRIG_SINGLE_0_SHIFT              12  /* DCS_TRIG_SINGLE_0 */
+#define WM8994_DCS_TRIG_SINGLE_0_WIDTH               1  /* DCS_TRIG_SINGLE_0 */
+#define WM8994_DCS_TRIG_SERIES_1                0x0200  /* DCS_TRIG_SERIES_1 */
+#define WM8994_DCS_TRIG_SERIES_1_MASK           0x0200  /* DCS_TRIG_SERIES_1 */
+#define WM8994_DCS_TRIG_SERIES_1_SHIFT               9  /* DCS_TRIG_SERIES_1 */
+#define WM8994_DCS_TRIG_SERIES_1_WIDTH               1  /* DCS_TRIG_SERIES_1 */
+#define WM8994_DCS_TRIG_SERIES_0                0x0100  /* DCS_TRIG_SERIES_0 */
+#define WM8994_DCS_TRIG_SERIES_0_MASK           0x0100  /* DCS_TRIG_SERIES_0 */
+#define WM8994_DCS_TRIG_SERIES_0_SHIFT               8  /* DCS_TRIG_SERIES_0 */
+#define WM8994_DCS_TRIG_SERIES_0_WIDTH               1  /* DCS_TRIG_SERIES_0 */
+#define WM8994_DCS_TRIG_STARTUP_1               0x0020  /* DCS_TRIG_STARTUP_1 */
+#define WM8994_DCS_TRIG_STARTUP_1_MASK          0x0020  /* DCS_TRIG_STARTUP_1 */
+#define WM8994_DCS_TRIG_STARTUP_1_SHIFT              5  /* DCS_TRIG_STARTUP_1 */
+#define WM8994_DCS_TRIG_STARTUP_1_WIDTH              1  /* DCS_TRIG_STARTUP_1 */
+#define WM8994_DCS_TRIG_STARTUP_0               0x0010  /* DCS_TRIG_STARTUP_0 */
+#define WM8994_DCS_TRIG_STARTUP_0_MASK          0x0010  /* DCS_TRIG_STARTUP_0 */
+#define WM8994_DCS_TRIG_STARTUP_0_SHIFT              4  /* DCS_TRIG_STARTUP_0 */
+#define WM8994_DCS_TRIG_STARTUP_0_WIDTH              1  /* DCS_TRIG_STARTUP_0 */
+#define WM8994_DCS_TRIG_DAC_WR_1                0x0008  /* DCS_TRIG_DAC_WR_1 */
+#define WM8994_DCS_TRIG_DAC_WR_1_MASK           0x0008  /* DCS_TRIG_DAC_WR_1 */
+#define WM8994_DCS_TRIG_DAC_WR_1_SHIFT               3  /* DCS_TRIG_DAC_WR_1 */
+#define WM8994_DCS_TRIG_DAC_WR_1_WIDTH               1  /* DCS_TRIG_DAC_WR_1 */
+#define WM8994_DCS_TRIG_DAC_WR_0                0x0004  /* DCS_TRIG_DAC_WR_0 */
+#define WM8994_DCS_TRIG_DAC_WR_0_MASK           0x0004  /* DCS_TRIG_DAC_WR_0 */
+#define WM8994_DCS_TRIG_DAC_WR_0_SHIFT               2  /* DCS_TRIG_DAC_WR_0 */
+#define WM8994_DCS_TRIG_DAC_WR_0_WIDTH               1  /* DCS_TRIG_DAC_WR_0 */
+#define WM8994_DCS_ENA_CHAN_1                   0x0002  /* DCS_ENA_CHAN_1 */
+#define WM8994_DCS_ENA_CHAN_1_MASK              0x0002  /* DCS_ENA_CHAN_1 */
+#define WM8994_DCS_ENA_CHAN_1_SHIFT                  1  /* DCS_ENA_CHAN_1 */
+#define WM8994_DCS_ENA_CHAN_1_WIDTH                  1  /* DCS_ENA_CHAN_1 */
+#define WM8994_DCS_ENA_CHAN_0                   0x0001  /* DCS_ENA_CHAN_0 */
+#define WM8994_DCS_ENA_CHAN_0_MASK              0x0001  /* DCS_ENA_CHAN_0 */
+#define WM8994_DCS_ENA_CHAN_0_SHIFT                  0  /* DCS_ENA_CHAN_0 */
+#define WM8994_DCS_ENA_CHAN_0_WIDTH                  1  /* DCS_ENA_CHAN_0 */
+
+/*
+ * R85 (0x55) - DC Servo (2)
+ */
+#define WM8994_DCS_SERIES_NO_01_MASK            0x0FE0  /* DCS_SERIES_NO_01 - [11:5] */
+#define WM8994_DCS_SERIES_NO_01_SHIFT                5  /* DCS_SERIES_NO_01 - [11:5] */
+#define WM8994_DCS_SERIES_NO_01_WIDTH                7  /* DCS_SERIES_NO_01 - [11:5] */
+#define WM8994_DCS_TIMER_PERIOD_01_MASK         0x000F  /* DCS_TIMER_PERIOD_01 - [3:0] */
+#define WM8994_DCS_TIMER_PERIOD_01_SHIFT             0  /* DCS_TIMER_PERIOD_01 - [3:0] */
+#define WM8994_DCS_TIMER_PERIOD_01_WIDTH             4  /* DCS_TIMER_PERIOD_01 - [3:0] */
+
+/*
+ * R87 (0x57) - DC Servo (4)
+ */
+#define WM8994_DCS_DAC_WR_VAL_1_MASK            0xFF00  /* DCS_DAC_WR_VAL_1 - [15:8] */
+#define WM8994_DCS_DAC_WR_VAL_1_SHIFT                8  /* DCS_DAC_WR_VAL_1 - [15:8] */
+#define WM8994_DCS_DAC_WR_VAL_1_WIDTH                8  /* DCS_DAC_WR_VAL_1 - [15:8] */
+#define WM8994_DCS_DAC_WR_VAL_0_MASK            0x00FF  /* DCS_DAC_WR_VAL_0 - [7:0] */
+#define WM8994_DCS_DAC_WR_VAL_0_SHIFT                0  /* DCS_DAC_WR_VAL_0 - [7:0] */
+#define WM8994_DCS_DAC_WR_VAL_0_WIDTH                8  /* DCS_DAC_WR_VAL_0 - [7:0] */
+
+/*
+ * R88 (0x58) - DC Servo Readback
+ */
+#define WM8994_DCS_CAL_COMPLETE_MASK            0x0300  /* DCS_CAL_COMPLETE - [9:8] */
+#define WM8994_DCS_CAL_COMPLETE_SHIFT                8  /* DCS_CAL_COMPLETE - [9:8] */
+#define WM8994_DCS_CAL_COMPLETE_WIDTH                2  /* DCS_CAL_COMPLETE - [9:8] */
+#define WM8994_DCS_DAC_WR_COMPLETE_MASK         0x0030  /* DCS_DAC_WR_COMPLETE - [5:4] */
+#define WM8994_DCS_DAC_WR_COMPLETE_SHIFT             4  /* DCS_DAC_WR_COMPLETE - [5:4] */
+#define WM8994_DCS_DAC_WR_COMPLETE_WIDTH             2  /* DCS_DAC_WR_COMPLETE - [5:4] */
+#define WM8994_DCS_STARTUP_COMPLETE_MASK        0x0003  /* DCS_STARTUP_COMPLETE - [1:0] */
+#define WM8994_DCS_STARTUP_COMPLETE_SHIFT            0  /* DCS_STARTUP_COMPLETE - [1:0] */
+#define WM8994_DCS_STARTUP_COMPLETE_WIDTH            2  /* DCS_STARTUP_COMPLETE - [1:0] */
+
+/*
+ * R96 (0x60) - Analogue HP (1)
+ */
+#define WM8994_HPOUT1L_RMV_SHORT                0x0080  /* HPOUT1L_RMV_SHORT */
+#define WM8994_HPOUT1L_RMV_SHORT_MASK           0x0080  /* HPOUT1L_RMV_SHORT */
+#define WM8994_HPOUT1L_RMV_SHORT_SHIFT               7  /* HPOUT1L_RMV_SHORT */
+#define WM8994_HPOUT1L_RMV_SHORT_WIDTH               1  /* HPOUT1L_RMV_SHORT */
+#define WM8994_HPOUT1L_OUTP                     0x0040  /* HPOUT1L_OUTP */
+#define WM8994_HPOUT1L_OUTP_MASK                0x0040  /* HPOUT1L_OUTP */
+#define WM8994_HPOUT1L_OUTP_SHIFT                    6  /* HPOUT1L_OUTP */
+#define WM8994_HPOUT1L_OUTP_WIDTH                    1  /* HPOUT1L_OUTP */
+#define WM8994_HPOUT1L_DLY                      0x0020  /* HPOUT1L_DLY */
+#define WM8994_HPOUT1L_DLY_MASK                 0x0020  /* HPOUT1L_DLY */
+#define WM8994_HPOUT1L_DLY_SHIFT                     5  /* HPOUT1L_DLY */
+#define WM8994_HPOUT1L_DLY_WIDTH                     1  /* HPOUT1L_DLY */
+#define WM8994_HPOUT1R_RMV_SHORT                0x0008  /* HPOUT1R_RMV_SHORT */
+#define WM8994_HPOUT1R_RMV_SHORT_MASK           0x0008  /* HPOUT1R_RMV_SHORT */
+#define WM8994_HPOUT1R_RMV_SHORT_SHIFT               3  /* HPOUT1R_RMV_SHORT */
+#define WM8994_HPOUT1R_RMV_SHORT_WIDTH               1  /* HPOUT1R_RMV_SHORT */
+#define WM8994_HPOUT1R_OUTP                     0x0004  /* HPOUT1R_OUTP */
+#define WM8994_HPOUT1R_OUTP_MASK                0x0004  /* HPOUT1R_OUTP */
+#define WM8994_HPOUT1R_OUTP_SHIFT                    2  /* HPOUT1R_OUTP */
+#define WM8994_HPOUT1R_OUTP_WIDTH                    1  /* HPOUT1R_OUTP */
+#define WM8994_HPOUT1R_DLY                      0x0002  /* HPOUT1R_DLY */
+#define WM8994_HPOUT1R_DLY_MASK                 0x0002  /* HPOUT1R_DLY */
+#define WM8994_HPOUT1R_DLY_SHIFT                     1  /* HPOUT1R_DLY */
+#define WM8994_HPOUT1R_DLY_WIDTH                     1  /* HPOUT1R_DLY */
+
+/*
+ * R256 (0x100) - Chip Revision
+ */
+#define WM8994_CHIP_REV_MASK                    0x000F  /* CHIP_REV - [3:0] */
+#define WM8994_CHIP_REV_SHIFT                        0  /* CHIP_REV - [3:0] */
+#define WM8994_CHIP_REV_WIDTH                        4  /* CHIP_REV - [3:0] */
+
+/*
+ * R257 (0x101) - Control Interface
+ */
+#define WM8994_SPI_CONTRD                       0x0040  /* SPI_CONTRD */
+#define WM8994_SPI_CONTRD_MASK                  0x0040  /* SPI_CONTRD */
+#define WM8994_SPI_CONTRD_SHIFT                      6  /* SPI_CONTRD */
+#define WM8994_SPI_CONTRD_WIDTH                      1  /* SPI_CONTRD */
+#define WM8994_SPI_4WIRE                        0x0020  /* SPI_4WIRE */
+#define WM8994_SPI_4WIRE_MASK                   0x0020  /* SPI_4WIRE */
+#define WM8994_SPI_4WIRE_SHIFT                       5  /* SPI_4WIRE */
+#define WM8994_SPI_4WIRE_WIDTH                       1  /* SPI_4WIRE */
+#define WM8994_SPI_CFG                          0x0010  /* SPI_CFG */
+#define WM8994_SPI_CFG_MASK                     0x0010  /* SPI_CFG */
+#define WM8994_SPI_CFG_SHIFT                         4  /* SPI_CFG */
+#define WM8994_SPI_CFG_WIDTH                         1  /* SPI_CFG */
+#define WM8994_AUTO_INC                         0x0004  /* AUTO_INC */
+#define WM8994_AUTO_INC_MASK                    0x0004  /* AUTO_INC */
+#define WM8994_AUTO_INC_SHIFT                        2  /* AUTO_INC */
+#define WM8994_AUTO_INC_WIDTH                        1  /* AUTO_INC */
+
+/*
+ * R272 (0x110) - Write Sequencer Ctrl (1)
+ */
+#define WM8994_WSEQ_ENA                         0x8000  /* WSEQ_ENA */
+#define WM8994_WSEQ_ENA_MASK                    0x8000  /* WSEQ_ENA */
+#define WM8994_WSEQ_ENA_SHIFT                       15  /* WSEQ_ENA */
+#define WM8994_WSEQ_ENA_WIDTH                        1  /* WSEQ_ENA */
+#define WM8994_WSEQ_ABORT                       0x0200  /* WSEQ_ABORT */
+#define WM8994_WSEQ_ABORT_MASK                  0x0200  /* WSEQ_ABORT */
+#define WM8994_WSEQ_ABORT_SHIFT                      9  /* WSEQ_ABORT */
+#define WM8994_WSEQ_ABORT_WIDTH                      1  /* WSEQ_ABORT */
+#define WM8994_WSEQ_START                       0x0100  /* WSEQ_START */
+#define WM8994_WSEQ_START_MASK                  0x0100  /* WSEQ_START */
+#define WM8994_WSEQ_START_SHIFT                      8  /* WSEQ_START */
+#define WM8994_WSEQ_START_WIDTH                      1  /* WSEQ_START */
+#define WM8994_WSEQ_START_INDEX_MASK            0x007F  /* WSEQ_START_INDEX - [6:0] */
+#define WM8994_WSEQ_START_INDEX_SHIFT                0  /* WSEQ_START_INDEX - [6:0] */
+#define WM8994_WSEQ_START_INDEX_WIDTH                7  /* WSEQ_START_INDEX - [6:0] */
+
+/*
+ * R273 (0x111) - Write Sequencer Ctrl (2)
+ */
+#define WM8994_WSEQ_BUSY                        0x0100  /* WSEQ_BUSY */
+#define WM8994_WSEQ_BUSY_MASK                   0x0100  /* WSEQ_BUSY */
+#define WM8994_WSEQ_BUSY_SHIFT                       8  /* WSEQ_BUSY */
+#define WM8994_WSEQ_BUSY_WIDTH                       1  /* WSEQ_BUSY */
+#define WM8994_WSEQ_CURRENT_INDEX_MASK          0x007F  /* WSEQ_CURRENT_INDEX - [6:0] */
+#define WM8994_WSEQ_CURRENT_INDEX_SHIFT              0  /* WSEQ_CURRENT_INDEX - [6:0] */
+#define WM8994_WSEQ_CURRENT_INDEX_WIDTH              7  /* WSEQ_CURRENT_INDEX - [6:0] */
+
+/*
+ * R512 (0x200) - AIF1 Clocking (1)
+ */
+#define WM8994_AIF1CLK_SRC_MASK                 0x0018  /* AIF1CLK_SRC - [4:3] */
+#define WM8994_AIF1CLK_SRC_SHIFT                     3  /* AIF1CLK_SRC - [4:3] */
+#define WM8994_AIF1CLK_SRC_WIDTH                     2  /* AIF1CLK_SRC - [4:3] */
+#define WM8994_AIF1CLK_INV                      0x0004  /* AIF1CLK_INV */
+#define WM8994_AIF1CLK_INV_MASK                 0x0004  /* AIF1CLK_INV */
+#define WM8994_AIF1CLK_INV_SHIFT                     2  /* AIF1CLK_INV */
+#define WM8994_AIF1CLK_INV_WIDTH                     1  /* AIF1CLK_INV */
+#define WM8994_AIF1CLK_DIV                      0x0002  /* AIF1CLK_DIV */
+#define WM8994_AIF1CLK_DIV_MASK                 0x0002  /* AIF1CLK_DIV */
+#define WM8994_AIF1CLK_DIV_SHIFT                     1  /* AIF1CLK_DIV */
+#define WM8994_AIF1CLK_DIV_WIDTH                     1  /* AIF1CLK_DIV */
+#define WM8994_AIF1CLK_ENA                      0x0001  /* AIF1CLK_ENA */
+#define WM8994_AIF1CLK_ENA_MASK                 0x0001  /* AIF1CLK_ENA */
+#define WM8994_AIF1CLK_ENA_SHIFT                     0  /* AIF1CLK_ENA */
+#define WM8994_AIF1CLK_ENA_WIDTH                     1  /* AIF1CLK_ENA */
+
+/*
+ * R513 (0x201) - AIF1 Clocking (2)
+ */
+#define WM8994_AIF1DAC_DIV_MASK                 0x0038  /* AIF1DAC_DIV - [5:3] */
+#define WM8994_AIF1DAC_DIV_SHIFT                     3  /* AIF1DAC_DIV - [5:3] */
+#define WM8994_AIF1DAC_DIV_WIDTH                     3  /* AIF1DAC_DIV - [5:3] */
+#define WM8994_AIF1ADC_DIV_MASK                 0x0007  /* AIF1ADC_DIV - [2:0] */
+#define WM8994_AIF1ADC_DIV_SHIFT                     0  /* AIF1ADC_DIV - [2:0] */
+#define WM8994_AIF1ADC_DIV_WIDTH                     3  /* AIF1ADC_DIV - [2:0] */
+
+/*
+ * R516 (0x204) - AIF2 Clocking (1)
+ */
+#define WM8994_AIF2CLK_SRC_MASK                 0x0018  /* AIF2CLK_SRC - [4:3] */
+#define WM8994_AIF2CLK_SRC_SHIFT                     3  /* AIF2CLK_SRC - [4:3] */
+#define WM8994_AIF2CLK_SRC_WIDTH                     2  /* AIF2CLK_SRC - [4:3] */
+#define WM8994_AIF2CLK_INV                      0x0004  /* AIF2CLK_INV */
+#define WM8994_AIF2CLK_INV_MASK                 0x0004  /* AIF2CLK_INV */
+#define WM8994_AIF2CLK_INV_SHIFT                     2  /* AIF2CLK_INV */
+#define WM8994_AIF2CLK_INV_WIDTH                     1  /* AIF2CLK_INV */
+#define WM8994_AIF2CLK_DIV                      0x0002  /* AIF2CLK_DIV */
+#define WM8994_AIF2CLK_DIV_MASK                 0x0002  /* AIF2CLK_DIV */
+#define WM8994_AIF2CLK_DIV_SHIFT                     1  /* AIF2CLK_DIV */
+#define WM8994_AIF2CLK_DIV_WIDTH                     1  /* AIF2CLK_DIV */
+#define WM8994_AIF2CLK_ENA                      0x0001  /* AIF2CLK_ENA */
+#define WM8994_AIF2CLK_ENA_MASK                 0x0001  /* AIF2CLK_ENA */
+#define WM8994_AIF2CLK_ENA_SHIFT                     0  /* AIF2CLK_ENA */
+#define WM8994_AIF2CLK_ENA_WIDTH                     1  /* AIF2CLK_ENA */
+
+/*
+ * R517 (0x205) - AIF2 Clocking (2)
+ */
+#define WM8994_AIF2DAC_DIV_MASK                 0x0038  /* AIF2DAC_DIV - [5:3] */
+#define WM8994_AIF2DAC_DIV_SHIFT                     3  /* AIF2DAC_DIV - [5:3] */
+#define WM8994_AIF2DAC_DIV_WIDTH                     3  /* AIF2DAC_DIV - [5:3] */
+#define WM8994_AIF2ADC_DIV_MASK                 0x0007  /* AIF2ADC_DIV - [2:0] */
+#define WM8994_AIF2ADC_DIV_SHIFT                     0  /* AIF2ADC_DIV - [2:0] */
+#define WM8994_AIF2ADC_DIV_WIDTH                     3  /* AIF2ADC_DIV - [2:0] */
+
+/*
+ * R520 (0x208) - Clocking (1)
+ */
+#define WM8994_TOCLK_ENA                        0x0010  /* TOCLK_ENA */
+#define WM8994_TOCLK_ENA_MASK                   0x0010  /* TOCLK_ENA */
+#define WM8994_TOCLK_ENA_SHIFT                       4  /* TOCLK_ENA */
+#define WM8994_TOCLK_ENA_WIDTH                       1  /* TOCLK_ENA */
+#define WM8994_AIF1DSPCLK_ENA                   0x0008  /* AIF1DSPCLK_ENA */
+#define WM8994_AIF1DSPCLK_ENA_MASK              0x0008  /* AIF1DSPCLK_ENA */
+#define WM8994_AIF1DSPCLK_ENA_SHIFT                  3  /* AIF1DSPCLK_ENA */
+#define WM8994_AIF1DSPCLK_ENA_WIDTH                  1  /* AIF1DSPCLK_ENA */
+#define WM8994_AIF2DSPCLK_ENA                   0x0004  /* AIF2DSPCLK_ENA */
+#define WM8994_AIF2DSPCLK_ENA_MASK              0x0004  /* AIF2DSPCLK_ENA */
+#define WM8994_AIF2DSPCLK_ENA_SHIFT                  2  /* AIF2DSPCLK_ENA */
+#define WM8994_AIF2DSPCLK_ENA_WIDTH                  1  /* AIF2DSPCLK_ENA */
+#define WM8994_SYSDSPCLK_ENA                    0x0002  /* SYSDSPCLK_ENA */
+#define WM8994_SYSDSPCLK_ENA_MASK               0x0002  /* SYSDSPCLK_ENA */
+#define WM8994_SYSDSPCLK_ENA_SHIFT                   1  /* SYSDSPCLK_ENA */
+#define WM8994_SYSDSPCLK_ENA_WIDTH                   1  /* SYSDSPCLK_ENA */
+#define WM8994_SYSCLK_SRC                       0x0001  /* SYSCLK_SRC */
+#define WM8994_SYSCLK_SRC_MASK                  0x0001  /* SYSCLK_SRC */
+#define WM8994_SYSCLK_SRC_SHIFT                      0  /* SYSCLK_SRC */
+#define WM8994_SYSCLK_SRC_WIDTH                      1  /* SYSCLK_SRC */
+
+/*
+ * R521 (0x209) - Clocking (2)
+ */
+#define WM8994_TOCLK_DIV_MASK                   0x0700  /* TOCLK_DIV - [10:8] */
+#define WM8994_TOCLK_DIV_SHIFT                       8  /* TOCLK_DIV - [10:8] */
+#define WM8994_TOCLK_DIV_WIDTH                       3  /* TOCLK_DIV - [10:8] */
+#define WM8994_DBCLK_DIV_MASK                   0x0070  /* DBCLK_DIV - [6:4] */
+#define WM8994_DBCLK_DIV_SHIFT                       4  /* DBCLK_DIV - [6:4] */
+#define WM8994_DBCLK_DIV_WIDTH                       3  /* DBCLK_DIV - [6:4] */
+#define WM8994_OPCLK_DIV_MASK                   0x0007  /* OPCLK_DIV - [2:0] */
+#define WM8994_OPCLK_DIV_SHIFT                       0  /* OPCLK_DIV - [2:0] */
+#define WM8994_OPCLK_DIV_WIDTH                       3  /* OPCLK_DIV - [2:0] */
+
+/*
+ * R528 (0x210) - AIF1 Rate
+ */
+#define WM8994_AIF1_SR_MASK                     0x00F0  /* AIF1_SR - [7:4] */
+#define WM8994_AIF1_SR_SHIFT                         4  /* AIF1_SR - [7:4] */
+#define WM8994_AIF1_SR_WIDTH                         4  /* AIF1_SR - [7:4] */
+#define WM8994_AIF1CLK_RATE_MASK                0x000F  /* AIF1CLK_RATE - [3:0] */
+#define WM8994_AIF1CLK_RATE_SHIFT                    0  /* AIF1CLK_RATE - [3:0] */
+#define WM8994_AIF1CLK_RATE_WIDTH                    4  /* AIF1CLK_RATE - [3:0] */
+
+/*
+ * R529 (0x211) - AIF2 Rate
+ */
+#define WM8994_AIF2_SR_MASK                     0x00F0  /* AIF2_SR - [7:4] */
+#define WM8994_AIF2_SR_SHIFT                         4  /* AIF2_SR - [7:4] */
+#define WM8994_AIF2_SR_WIDTH                         4  /* AIF2_SR - [7:4] */
+#define WM8994_AIF2CLK_RATE_MASK                0x000F  /* AIF2CLK_RATE - [3:0] */
+#define WM8994_AIF2CLK_RATE_SHIFT                    0  /* AIF2CLK_RATE - [3:0] */
+#define WM8994_AIF2CLK_RATE_WIDTH                    4  /* AIF2CLK_RATE - [3:0] */
+
+/*
+ * R530 (0x212) - Rate Status
+ */
+#define WM8994_SR_ERROR_MASK                    0x000F  /* SR_ERROR - [3:0] */
+#define WM8994_SR_ERROR_SHIFT                        0  /* SR_ERROR - [3:0] */
+#define WM8994_SR_ERROR_WIDTH                        4  /* SR_ERROR - [3:0] */
+
+/*
+ * R544 (0x220) - FLL1 Control (1)
+ */
+#define WM8994_FLL1_FRAC                        0x0004  /* FLL1_FRAC */
+#define WM8994_FLL1_FRAC_MASK                   0x0004  /* FLL1_FRAC */
+#define WM8994_FLL1_FRAC_SHIFT                       2  /* FLL1_FRAC */
+#define WM8994_FLL1_FRAC_WIDTH                       1  /* FLL1_FRAC */
+#define WM8994_FLL1_OSC_ENA                     0x0002  /* FLL1_OSC_ENA */
+#define WM8994_FLL1_OSC_ENA_MASK                0x0002  /* FLL1_OSC_ENA */
+#define WM8994_FLL1_OSC_ENA_SHIFT                    1  /* FLL1_OSC_ENA */
+#define WM8994_FLL1_OSC_ENA_WIDTH                    1  /* FLL1_OSC_ENA */
+#define WM8994_FLL1_ENA                         0x0001  /* FLL1_ENA */
+#define WM8994_FLL1_ENA_MASK                    0x0001  /* FLL1_ENA */
+#define WM8994_FLL1_ENA_SHIFT                        0  /* FLL1_ENA */
+#define WM8994_FLL1_ENA_WIDTH                        1  /* FLL1_ENA */
+
+/*
+ * R545 (0x221) - FLL1 Control (2)
+ */
+#define WM8994_FLL1_OUTDIV_MASK                 0x3F00  /* FLL1_OUTDIV - [13:8] */
+#define WM8994_FLL1_OUTDIV_SHIFT                     8  /* FLL1_OUTDIV - [13:8] */
+#define WM8994_FLL1_OUTDIV_WIDTH                     6  /* FLL1_OUTDIV - [13:8] */
+#define WM8994_FLL1_CTRL_RATE_MASK              0x0070  /* FLL1_CTRL_RATE - [6:4] */
+#define WM8994_FLL1_CTRL_RATE_SHIFT                  4  /* FLL1_CTRL_RATE - [6:4] */
+#define WM8994_FLL1_CTRL_RATE_WIDTH                  3  /* FLL1_CTRL_RATE - [6:4] */
+#define WM8994_FLL1_FRATIO_MASK                 0x0007  /* FLL1_FRATIO - [2:0] */
+#define WM8994_FLL1_FRATIO_SHIFT                     0  /* FLL1_FRATIO - [2:0] */
+#define WM8994_FLL1_FRATIO_WIDTH                     3  /* FLL1_FRATIO - [2:0] */
+
+/*
+ * R546 (0x222) - FLL1 Control (3)
+ */
+#define WM8994_FLL1_K_MASK                      0xFFFF  /* FLL1_K - [15:0] */
+#define WM8994_FLL1_K_SHIFT                          0  /* FLL1_K - [15:0] */
+#define WM8994_FLL1_K_WIDTH                         16  /* FLL1_K - [15:0] */
+
+/*
+ * R547 (0x223) - FLL1 Control (4)
+ */
+#define WM8994_FLL1_N_MASK                      0x7FE0  /* FLL1_N - [14:5] */
+#define WM8994_FLL1_N_SHIFT                          5  /* FLL1_N - [14:5] */
+#define WM8994_FLL1_N_WIDTH                         10  /* FLL1_N - [14:5] */
+#define WM8994_FLL1_LOOP_GAIN_MASK              0x000F  /* FLL1_LOOP_GAIN - [3:0] */
+#define WM8994_FLL1_LOOP_GAIN_SHIFT                  0  /* FLL1_LOOP_GAIN - [3:0] */
+#define WM8994_FLL1_LOOP_GAIN_WIDTH                  4  /* FLL1_LOOP_GAIN - [3:0] */
+
+/*
+ * R548 (0x224) - FLL1 Control (5)
+ */
+#define WM8994_FLL1_FRC_NCO_VAL_MASK            0x1F80  /* FLL1_FRC_NCO_VAL - [12:7] */
+#define WM8994_FLL1_FRC_NCO_VAL_SHIFT                7  /* FLL1_FRC_NCO_VAL - [12:7] */
+#define WM8994_FLL1_FRC_NCO_VAL_WIDTH                6  /* FLL1_FRC_NCO_VAL - [12:7] */
+#define WM8994_FLL1_FRC_NCO                     0x0040  /* FLL1_FRC_NCO */
+#define WM8994_FLL1_FRC_NCO_MASK                0x0040  /* FLL1_FRC_NCO */
+#define WM8994_FLL1_FRC_NCO_SHIFT                    6  /* FLL1_FRC_NCO */
+#define WM8994_FLL1_FRC_NCO_WIDTH                    1  /* FLL1_FRC_NCO */
+#define WM8994_FLL1_REFCLK_DIV_MASK             0x0018  /* FLL1_REFCLK_DIV - [4:3] */
+#define WM8994_FLL1_REFCLK_DIV_SHIFT                 3  /* FLL1_REFCLK_DIV - [4:3] */
+#define WM8994_FLL1_REFCLK_DIV_WIDTH                 2  /* FLL1_REFCLK_DIV - [4:3] */
+#define WM8994_FLL1_REFCLK_SRC_MASK             0x0003  /* FLL1_REFCLK_SRC - [1:0] */
+#define WM8994_FLL1_REFCLK_SRC_SHIFT                 0  /* FLL1_REFCLK_SRC - [1:0] */
+#define WM8994_FLL1_REFCLK_SRC_WIDTH                 2  /* FLL1_REFCLK_SRC - [1:0] */
+
+/*
+ * R576 (0x240) - FLL2 Control (1)
+ */
+#define WM8994_FLL2_FRAC                        0x0004  /* FLL2_FRAC */
+#define WM8994_FLL2_FRAC_MASK                   0x0004  /* FLL2_FRAC */
+#define WM8994_FLL2_FRAC_SHIFT                       2  /* FLL2_FRAC */
+#define WM8994_FLL2_FRAC_WIDTH                       1  /* FLL2_FRAC */
+#define WM8994_FLL2_OSC_ENA                     0x0002  /* FLL2_OSC_ENA */
+#define WM8994_FLL2_OSC_ENA_MASK                0x0002  /* FLL2_OSC_ENA */
+#define WM8994_FLL2_OSC_ENA_SHIFT                    1  /* FLL2_OSC_ENA */
+#define WM8994_FLL2_OSC_ENA_WIDTH                    1  /* FLL2_OSC_ENA */
+#define WM8994_FLL2_ENA                         0x0001  /* FLL2_ENA */
+#define WM8994_FLL2_ENA_MASK                    0x0001  /* FLL2_ENA */
+#define WM8994_FLL2_ENA_SHIFT                        0  /* FLL2_ENA */
+#define WM8994_FLL2_ENA_WIDTH                        1  /* FLL2_ENA */
+
+/*
+ * R577 (0x241) - FLL2 Control (2)
+ */
+#define WM8994_FLL2_OUTDIV_MASK                 0x3F00  /* FLL2_OUTDIV - [13:8] */
+#define WM8994_FLL2_OUTDIV_SHIFT                     8  /* FLL2_OUTDIV - [13:8] */
+#define WM8994_FLL2_OUTDIV_WIDTH                     6  /* FLL2_OUTDIV - [13:8] */
+#define WM8994_FLL2_CTRL_RATE_MASK              0x0070  /* FLL2_CTRL_RATE - [6:4] */
+#define WM8994_FLL2_CTRL_RATE_SHIFT                  4  /* FLL2_CTRL_RATE - [6:4] */
+#define WM8994_FLL2_CTRL_RATE_WIDTH                  3  /* FLL2_CTRL_RATE - [6:4] */
+#define WM8994_FLL2_FRATIO_MASK                 0x0007  /* FLL2_FRATIO - [2:0] */
+#define WM8994_FLL2_FRATIO_SHIFT                     0  /* FLL2_FRATIO - [2:0] */
+#define WM8994_FLL2_FRATIO_WIDTH                     3  /* FLL2_FRATIO - [2:0] */
+
+/*
+ * R578 (0x242) - FLL2 Control (3)
+ */
+#define WM8994_FLL2_K_MASK                      0xFFFF  /* FLL2_K - [15:0] */
+#define WM8994_FLL2_K_SHIFT                          0  /* FLL2_K - [15:0] */
+#define WM8994_FLL2_K_WIDTH                         16  /* FLL2_K - [15:0] */
+
+/*
+ * R579 (0x243) - FLL2 Control (4)
+ */
+#define WM8994_FLL2_N_MASK                      0x7FE0  /* FLL2_N - [14:5] */
+#define WM8994_FLL2_N_SHIFT                          5  /* FLL2_N - [14:5] */
+#define WM8994_FLL2_N_WIDTH                         10  /* FLL2_N - [14:5] */
+#define WM8994_FLL2_LOOP_GAIN_MASK              0x000F  /* FLL2_LOOP_GAIN - [3:0] */
+#define WM8994_FLL2_LOOP_GAIN_SHIFT                  0  /* FLL2_LOOP_GAIN - [3:0] */
+#define WM8994_FLL2_LOOP_GAIN_WIDTH                  4  /* FLL2_LOOP_GAIN - [3:0] */
+
+/*
+ * R580 (0x244) - FLL2 Control (5)
+ */
+#define WM8994_FLL2_FRC_NCO_VAL_MASK            0x1F80  /* FLL2_FRC_NCO_VAL - [12:7] */
+#define WM8994_FLL2_FRC_NCO_VAL_SHIFT                7  /* FLL2_FRC_NCO_VAL - [12:7] */
+#define WM8994_FLL2_FRC_NCO_VAL_WIDTH                6  /* FLL2_FRC_NCO_VAL - [12:7] */
+#define WM8994_FLL2_FRC_NCO                     0x0040  /* FLL2_FRC_NCO */
+#define WM8994_FLL2_FRC_NCO_MASK                0x0040  /* FLL2_FRC_NCO */
+#define WM8994_FLL2_FRC_NCO_SHIFT                    6  /* FLL2_FRC_NCO */
+#define WM8994_FLL2_FRC_NCO_WIDTH                    1  /* FLL2_FRC_NCO */
+#define WM8994_FLL2_REFCLK_DIV_MASK             0x0018  /* FLL2_REFCLK_DIV - [4:3] */
+#define WM8994_FLL2_REFCLK_DIV_SHIFT                 3  /* FLL2_REFCLK_DIV - [4:3] */
+#define WM8994_FLL2_REFCLK_DIV_WIDTH                 2  /* FLL2_REFCLK_DIV - [4:3] */
+#define WM8994_FLL2_REFCLK_SRC_MASK             0x0003  /* FLL2_REFCLK_SRC - [1:0] */
+#define WM8994_FLL2_REFCLK_SRC_SHIFT                 0  /* FLL2_REFCLK_SRC - [1:0] */
+#define WM8994_FLL2_REFCLK_SRC_WIDTH                 2  /* FLL2_REFCLK_SRC - [1:0] */
+
+/*
+ * R768 (0x300) - AIF1 Control (1)
+ */
+#define WM8994_AIF1ADCL_SRC                     0x8000  /* AIF1ADCL_SRC */
+#define WM8994_AIF1ADCL_SRC_MASK                0x8000  /* AIF1ADCL_SRC */
+#define WM8994_AIF1ADCL_SRC_SHIFT                   15  /* AIF1ADCL_SRC */
+#define WM8994_AIF1ADCL_SRC_WIDTH                    1  /* AIF1ADCL_SRC */
+#define WM8994_AIF1ADCR_SRC                     0x4000  /* AIF1ADCR_SRC */
+#define WM8994_AIF1ADCR_SRC_MASK                0x4000  /* AIF1ADCR_SRC */
+#define WM8994_AIF1ADCR_SRC_SHIFT                   14  /* AIF1ADCR_SRC */
+#define WM8994_AIF1ADCR_SRC_WIDTH                    1  /* AIF1ADCR_SRC */
+#define WM8994_AIF1ADC_TDM                      0x2000  /* AIF1ADC_TDM */
+#define WM8994_AIF1ADC_TDM_MASK                 0x2000  /* AIF1ADC_TDM */
+#define WM8994_AIF1ADC_TDM_SHIFT                    13  /* AIF1ADC_TDM */
+#define WM8994_AIF1ADC_TDM_WIDTH                     1  /* AIF1ADC_TDM */
+#define WM8994_AIF1_BCLK_INV                    0x0100  /* AIF1_BCLK_INV */
+#define WM8994_AIF1_BCLK_INV_MASK               0x0100  /* AIF1_BCLK_INV */
+#define WM8994_AIF1_BCLK_INV_SHIFT                   8  /* AIF1_BCLK_INV */
+#define WM8994_AIF1_BCLK_INV_WIDTH                   1  /* AIF1_BCLK_INV */
+#define WM8994_AIF1_LRCLK_INV                   0x0080  /* AIF1_LRCLK_INV */
+#define WM8994_AIF1_LRCLK_INV_MASK              0x0080  /* AIF1_LRCLK_INV */
+#define WM8994_AIF1_LRCLK_INV_SHIFT                  7  /* AIF1_LRCLK_INV */
+#define WM8994_AIF1_LRCLK_INV_WIDTH                  1  /* AIF1_LRCLK_INV */
+#define WM8994_AIF1_WL_MASK                     0x0060  /* AIF1_WL - [6:5] */
+#define WM8994_AIF1_WL_SHIFT                         5  /* AIF1_WL - [6:5] */
+#define WM8994_AIF1_WL_WIDTH                         2  /* AIF1_WL - [6:5] */
+#define WM8994_AIF1_FMT_MASK                    0x0018  /* AIF1_FMT - [4:3] */
+#define WM8994_AIF1_FMT_SHIFT                        3  /* AIF1_FMT - [4:3] */
+#define WM8994_AIF1_FMT_WIDTH                        2  /* AIF1_FMT - [4:3] */
+
+/*
+ * R769 (0x301) - AIF1 Control (2)
+ */
+#define WM8994_AIF1DACL_SRC                     0x8000  /* AIF1DACL_SRC */
+#define WM8994_AIF1DACL_SRC_MASK                0x8000  /* AIF1DACL_SRC */
+#define WM8994_AIF1DACL_SRC_SHIFT                   15  /* AIF1DACL_SRC */
+#define WM8994_AIF1DACL_SRC_WIDTH                    1  /* AIF1DACL_SRC */
+#define WM8994_AIF1DACR_SRC                     0x4000  /* AIF1DACR_SRC */
+#define WM8994_AIF1DACR_SRC_MASK                0x4000  /* AIF1DACR_SRC */
+#define WM8994_AIF1DACR_SRC_SHIFT                   14  /* AIF1DACR_SRC */
+#define WM8994_AIF1DACR_SRC_WIDTH                    1  /* AIF1DACR_SRC */
+#define WM8994_AIF1DAC_BOOST_MASK               0x0C00  /* AIF1DAC_BOOST - [11:10] */
+#define WM8994_AIF1DAC_BOOST_SHIFT                  10  /* AIF1DAC_BOOST - [11:10] */
+#define WM8994_AIF1DAC_BOOST_WIDTH                   2  /* AIF1DAC_BOOST - [11:10] */
+#define WM8994_AIF1_MONO                        0x0100  /* AIF1_MONO */
+#define WM8994_AIF1_MONO_MASK                   0x0100  /* AIF1_MONO */
+#define WM8994_AIF1_MONO_SHIFT                       8  /* AIF1_MONO */
+#define WM8994_AIF1_MONO_WIDTH                       1  /* AIF1_MONO */
+#define WM8994_AIF1DAC_COMP                     0x0010  /* AIF1DAC_COMP */
+#define WM8994_AIF1DAC_COMP_MASK                0x0010  /* AIF1DAC_COMP */
+#define WM8994_AIF1DAC_COMP_SHIFT                    4  /* AIF1DAC_COMP */
+#define WM8994_AIF1DAC_COMP_WIDTH                    1  /* AIF1DAC_COMP */
+#define WM8994_AIF1DAC_COMPMODE                 0x0008  /* AIF1DAC_COMPMODE */
+#define WM8994_AIF1DAC_COMPMODE_MASK            0x0008  /* AIF1DAC_COMPMODE */
+#define WM8994_AIF1DAC_COMPMODE_SHIFT                3  /* AIF1DAC_COMPMODE */
+#define WM8994_AIF1DAC_COMPMODE_WIDTH                1  /* AIF1DAC_COMPMODE */
+#define WM8994_AIF1ADC_COMP                     0x0004  /* AIF1ADC_COMP */
+#define WM8994_AIF1ADC_COMP_MASK                0x0004  /* AIF1ADC_COMP */
+#define WM8994_AIF1ADC_COMP_SHIFT                    2  /* AIF1ADC_COMP */
+#define WM8994_AIF1ADC_COMP_WIDTH                    1  /* AIF1ADC_COMP */
+#define WM8994_AIF1ADC_COMPMODE                 0x0002  /* AIF1ADC_COMPMODE */
+#define WM8994_AIF1ADC_COMPMODE_MASK            0x0002  /* AIF1ADC_COMPMODE */
+#define WM8994_AIF1ADC_COMPMODE_SHIFT                1  /* AIF1ADC_COMPMODE */
+#define WM8994_AIF1ADC_COMPMODE_WIDTH                1  /* AIF1ADC_COMPMODE */
+#define WM8994_AIF1_LOOPBACK                    0x0001  /* AIF1_LOOPBACK */
+#define WM8994_AIF1_LOOPBACK_MASK               0x0001  /* AIF1_LOOPBACK */
+#define WM8994_AIF1_LOOPBACK_SHIFT                   0  /* AIF1_LOOPBACK */
+#define WM8994_AIF1_LOOPBACK_WIDTH                   1  /* AIF1_LOOPBACK */
+
+/*
+ * R770 (0x302) - AIF1 Master/Slave
+ */
+#define WM8994_AIF1_TRI                         0x8000  /* AIF1_TRI */
+#define WM8994_AIF1_TRI_MASK                    0x8000  /* AIF1_TRI */
+#define WM8994_AIF1_TRI_SHIFT                       15  /* AIF1_TRI */
+#define WM8994_AIF1_TRI_WIDTH                        1  /* AIF1_TRI */
+#define WM8994_AIF1_MSTR                        0x4000  /* AIF1_MSTR */
+#define WM8994_AIF1_MSTR_MASK                   0x4000  /* AIF1_MSTR */
+#define WM8994_AIF1_MSTR_SHIFT                      14  /* AIF1_MSTR */
+#define WM8994_AIF1_MSTR_WIDTH                       1  /* AIF1_MSTR */
+#define WM8994_AIF1_CLK_FRC                     0x2000  /* AIF1_CLK_FRC */
+#define WM8994_AIF1_CLK_FRC_MASK                0x2000  /* AIF1_CLK_FRC */
+#define WM8994_AIF1_CLK_FRC_SHIFT                   13  /* AIF1_CLK_FRC */
+#define WM8994_AIF1_CLK_FRC_WIDTH                    1  /* AIF1_CLK_FRC */
+#define WM8994_AIF1_LRCLK_FRC                   0x1000  /* AIF1_LRCLK_FRC */
+#define WM8994_AIF1_LRCLK_FRC_MASK              0x1000  /* AIF1_LRCLK_FRC */
+#define WM8994_AIF1_LRCLK_FRC_SHIFT                 12  /* AIF1_LRCLK_FRC */
+#define WM8994_AIF1_LRCLK_FRC_WIDTH                  1  /* AIF1_LRCLK_FRC */
+
+/*
+ * R771 (0x303) - AIF1 BCLK
+ */
+#define WM8994_AIF1_BCLK_DIV_MASK               0x01F0  /* AIF1_BCLK_DIV - [8:4] */
+#define WM8994_AIF1_BCLK_DIV_SHIFT                   4  /* AIF1_BCLK_DIV - [8:4] */
+#define WM8994_AIF1_BCLK_DIV_WIDTH                   5  /* AIF1_BCLK_DIV - [8:4] */
+
+/*
+ * R772 (0x304) - AIF1ADC LRCLK
+ */
+#define WM8994_AIF1ADC_LRCLK_DIR                0x0800  /* AIF1ADC_LRCLK_DIR */
+#define WM8994_AIF1ADC_LRCLK_DIR_MASK           0x0800  /* AIF1ADC_LRCLK_DIR */
+#define WM8994_AIF1ADC_LRCLK_DIR_SHIFT              11  /* AIF1ADC_LRCLK_DIR */
+#define WM8994_AIF1ADC_LRCLK_DIR_WIDTH               1  /* AIF1ADC_LRCLK_DIR */
+#define WM8994_AIF1ADC_RATE_MASK                0x07FF  /* AIF1ADC_RATE - [10:0] */
+#define WM8994_AIF1ADC_RATE_SHIFT                    0  /* AIF1ADC_RATE - [10:0] */
+#define WM8994_AIF1ADC_RATE_WIDTH                   11  /* AIF1ADC_RATE - [10:0] */
+
+/*
+ * R773 (0x305) - AIF1DAC LRCLK
+ */
+#define WM8994_AIF1DAC_LRCLK_DIR                0x0800  /* AIF1DAC_LRCLK_DIR */
+#define WM8994_AIF1DAC_LRCLK_DIR_MASK           0x0800  /* AIF1DAC_LRCLK_DIR */
+#define WM8994_AIF1DAC_LRCLK_DIR_SHIFT              11  /* AIF1DAC_LRCLK_DIR */
+#define WM8994_AIF1DAC_LRCLK_DIR_WIDTH               1  /* AIF1DAC_LRCLK_DIR */
+#define WM8994_AIF1DAC_RATE_MASK                0x07FF  /* AIF1DAC_RATE - [10:0] */
+#define WM8994_AIF1DAC_RATE_SHIFT                    0  /* AIF1DAC_RATE - [10:0] */
+#define WM8994_AIF1DAC_RATE_WIDTH                   11  /* AIF1DAC_RATE - [10:0] */
+
+/*
+ * R774 (0x306) - AIF1DAC Data
+ */
+#define WM8994_AIF1DACL_DAT_INV                 0x0002  /* AIF1DACL_DAT_INV */
+#define WM8994_AIF1DACL_DAT_INV_MASK            0x0002  /* AIF1DACL_DAT_INV */
+#define WM8994_AIF1DACL_DAT_INV_SHIFT                1  /* AIF1DACL_DAT_INV */
+#define WM8994_AIF1DACL_DAT_INV_WIDTH                1  /* AIF1DACL_DAT_INV */
+#define WM8994_AIF1DACR_DAT_INV                 0x0001  /* AIF1DACR_DAT_INV */
+#define WM8994_AIF1DACR_DAT_INV_MASK            0x0001  /* AIF1DACR_DAT_INV */
+#define WM8994_AIF1DACR_DAT_INV_SHIFT                0  /* AIF1DACR_DAT_INV */
+#define WM8994_AIF1DACR_DAT_INV_WIDTH                1  /* AIF1DACR_DAT_INV */
+
+/*
+ * R775 (0x307) - AIF1ADC Data
+ */
+#define WM8994_AIF1ADCL_DAT_INV                 0x0002  /* AIF1ADCL_DAT_INV */
+#define WM8994_AIF1ADCL_DAT_INV_MASK            0x0002  /* AIF1ADCL_DAT_INV */
+#define WM8994_AIF1ADCL_DAT_INV_SHIFT                1  /* AIF1ADCL_DAT_INV */
+#define WM8994_AIF1ADCL_DAT_INV_WIDTH                1  /* AIF1ADCL_DAT_INV */
+#define WM8994_AIF1ADCR_DAT_INV                 0x0001  /* AIF1ADCR_DAT_INV */
+#define WM8994_AIF1ADCR_DAT_INV_MASK            0x0001  /* AIF1ADCR_DAT_INV */
+#define WM8994_AIF1ADCR_DAT_INV_SHIFT                0  /* AIF1ADCR_DAT_INV */
+#define WM8994_AIF1ADCR_DAT_INV_WIDTH                1  /* AIF1ADCR_DAT_INV */
+
+/*
+ * R784 (0x310) - AIF2 Control (1)
+ */
+#define WM8994_AIF2ADCL_SRC                     0x8000  /* AIF2ADCL_SRC */
+#define WM8994_AIF2ADCL_SRC_MASK                0x8000  /* AIF2ADCL_SRC */
+#define WM8994_AIF2ADCL_SRC_SHIFT                   15  /* AIF2ADCL_SRC */
+#define WM8994_AIF2ADCL_SRC_WIDTH                    1  /* AIF2ADCL_SRC */
+#define WM8994_AIF2ADCR_SRC                     0x4000  /* AIF2ADCR_SRC */
+#define WM8994_AIF2ADCR_SRC_MASK                0x4000  /* AIF2ADCR_SRC */
+#define WM8994_AIF2ADCR_SRC_SHIFT                   14  /* AIF2ADCR_SRC */
+#define WM8994_AIF2ADCR_SRC_WIDTH                    1  /* AIF2ADCR_SRC */
+#define WM8994_AIF2ADC_TDM                      0x2000  /* AIF2ADC_TDM */
+#define WM8994_AIF2ADC_TDM_MASK                 0x2000  /* AIF2ADC_TDM */
+#define WM8994_AIF2ADC_TDM_SHIFT                    13  /* AIF2ADC_TDM */
+#define WM8994_AIF2ADC_TDM_WIDTH                     1  /* AIF2ADC_TDM */
+#define WM8994_AIF2ADC_TDM_CHAN                 0x1000  /* AIF2ADC_TDM_CHAN */
+#define WM8994_AIF2ADC_TDM_CHAN_MASK            0x1000  /* AIF2ADC_TDM_CHAN */
+#define WM8994_AIF2ADC_TDM_CHAN_SHIFT               12  /* AIF2ADC_TDM_CHAN */
+#define WM8994_AIF2ADC_TDM_CHAN_WIDTH                1  /* AIF2ADC_TDM_CHAN */
+#define WM8994_AIF2_BCLK_INV                    0x0100  /* AIF2_BCLK_INV */
+#define WM8994_AIF2_BCLK_INV_MASK               0x0100  /* AIF2_BCLK_INV */
+#define WM8994_AIF2_BCLK_INV_SHIFT                   8  /* AIF2_BCLK_INV */
+#define WM8994_AIF2_BCLK_INV_WIDTH                   1  /* AIF2_BCLK_INV */
+#define WM8994_AIF2_LRCLK_INV                   0x0080  /* AIF2_LRCLK_INV */
+#define WM8994_AIF2_LRCLK_INV_MASK              0x0080  /* AIF2_LRCLK_INV */
+#define WM8994_AIF2_LRCLK_INV_SHIFT                  7  /* AIF2_LRCLK_INV */
+#define WM8994_AIF2_LRCLK_INV_WIDTH                  1  /* AIF2_LRCLK_INV */
+#define WM8994_AIF2_WL_MASK                     0x0060  /* AIF2_WL - [6:5] */
+#define WM8994_AIF2_WL_SHIFT                         5  /* AIF2_WL - [6:5] */
+#define WM8994_AIF2_WL_WIDTH                         2  /* AIF2_WL - [6:5] */
+#define WM8994_AIF2_FMT_MASK                    0x0018  /* AIF2_FMT - [4:3] */
+#define WM8994_AIF2_FMT_SHIFT                        3  /* AIF2_FMT - [4:3] */
+#define WM8994_AIF2_FMT_WIDTH                        2  /* AIF2_FMT - [4:3] */
+
+/*
+ * R785 (0x311) - AIF2 Control (2)
+ */
+#define WM8994_AIF2DACL_SRC                     0x8000  /* AIF2DACL_SRC */
+#define WM8994_AIF2DACL_SRC_MASK                0x8000  /* AIF2DACL_SRC */
+#define WM8994_AIF2DACL_SRC_SHIFT                   15  /* AIF2DACL_SRC */
+#define WM8994_AIF2DACL_SRC_WIDTH                    1  /* AIF2DACL_SRC */
+#define WM8994_AIF2DACR_SRC                     0x4000  /* AIF2DACR_SRC */
+#define WM8994_AIF2DACR_SRC_MASK                0x4000  /* AIF2DACR_SRC */
+#define WM8994_AIF2DACR_SRC_SHIFT                   14  /* AIF2DACR_SRC */
+#define WM8994_AIF2DACR_SRC_WIDTH                    1  /* AIF2DACR_SRC */
+#define WM8994_AIF2DAC_TDM                      0x2000  /* AIF2DAC_TDM */
+#define WM8994_AIF2DAC_TDM_MASK                 0x2000  /* AIF2DAC_TDM */
+#define WM8994_AIF2DAC_TDM_SHIFT                    13  /* AIF2DAC_TDM */
+#define WM8994_AIF2DAC_TDM_WIDTH                     1  /* AIF2DAC_TDM */
+#define WM8994_AIF2DAC_TDM_CHAN                 0x1000  /* AIF2DAC_TDM_CHAN */
+#define WM8994_AIF2DAC_TDM_CHAN_MASK            0x1000  /* AIF2DAC_TDM_CHAN */
+#define WM8994_AIF2DAC_TDM_CHAN_SHIFT               12  /* AIF2DAC_TDM_CHAN */
+#define WM8994_AIF2DAC_TDM_CHAN_WIDTH                1  /* AIF2DAC_TDM_CHAN */
+#define WM8994_AIF2DAC_BOOST_MASK               0x0C00  /* AIF2DAC_BOOST - [11:10] */
+#define WM8994_AIF2DAC_BOOST_SHIFT                  10  /* AIF2DAC_BOOST - [11:10] */
+#define WM8994_AIF2DAC_BOOST_WIDTH                   2  /* AIF2DAC_BOOST - [11:10] */
+#define WM8994_AIF2_MONO                        0x0100  /* AIF2_MONO */
+#define WM8994_AIF2_MONO_MASK                   0x0100  /* AIF2_MONO */
+#define WM8994_AIF2_MONO_SHIFT                       8  /* AIF2_MONO */
+#define WM8994_AIF2_MONO_WIDTH                       1  /* AIF2_MONO */
+#define WM8994_AIF2DAC_COMP                     0x0010  /* AIF2DAC_COMP */
+#define WM8994_AIF2DAC_COMP_MASK                0x0010  /* AIF2DAC_COMP */
+#define WM8994_AIF2DAC_COMP_SHIFT                    4  /* AIF2DAC_COMP */
+#define WM8994_AIF2DAC_COMP_WIDTH                    1  /* AIF2DAC_COMP */
+#define WM8994_AIF2DAC_COMPMODE                 0x0008  /* AIF2DAC_COMPMODE */
+#define WM8994_AIF2DAC_COMPMODE_MASK            0x0008  /* AIF2DAC_COMPMODE */
+#define WM8994_AIF2DAC_COMPMODE_SHIFT                3  /* AIF2DAC_COMPMODE */
+#define WM8994_AIF2DAC_COMPMODE_WIDTH                1  /* AIF2DAC_COMPMODE */
+#define WM8994_AIF2ADC_COMP                     0x0004  /* AIF2ADC_COMP */
+#define WM8994_AIF2ADC_COMP_MASK                0x0004  /* AIF2ADC_COMP */
+#define WM8994_AIF2ADC_COMP_SHIFT                    2  /* AIF2ADC_COMP */
+#define WM8994_AIF2ADC_COMP_WIDTH                    1  /* AIF2ADC_COMP */
+#define WM8994_AIF2ADC_COMPMODE                 0x0002  /* AIF2ADC_COMPMODE */
+#define WM8994_AIF2ADC_COMPMODE_MASK            0x0002  /* AIF2ADC_COMPMODE */
+#define WM8994_AIF2ADC_COMPMODE_SHIFT                1  /* AIF2ADC_COMPMODE */
+#define WM8994_AIF2ADC_COMPMODE_WIDTH                1  /* AIF2ADC_COMPMODE */
+#define WM8994_AIF2_LOOPBACK                    0x0001  /* AIF2_LOOPBACK */
+#define WM8994_AIF2_LOOPBACK_MASK               0x0001  /* AIF2_LOOPBACK */
+#define WM8994_AIF2_LOOPBACK_SHIFT                   0  /* AIF2_LOOPBACK */
+#define WM8994_AIF2_LOOPBACK_WIDTH                   1  /* AIF2_LOOPBACK */
+
+/*
+ * R786 (0x312) - AIF2 Master/Slave
+ */
+#define WM8994_AIF2_TRI                         0x8000  /* AIF2_TRI */
+#define WM8994_AIF2_TRI_MASK                    0x8000  /* AIF2_TRI */
+#define WM8994_AIF2_TRI_SHIFT                       15  /* AIF2_TRI */
+#define WM8994_AIF2_TRI_WIDTH                        1  /* AIF2_TRI */
+#define WM8994_AIF2_MSTR                        0x4000  /* AIF2_MSTR */
+#define WM8994_AIF2_MSTR_MASK                   0x4000  /* AIF2_MSTR */
+#define WM8994_AIF2_MSTR_SHIFT                      14  /* AIF2_MSTR */
+#define WM8994_AIF2_MSTR_WIDTH                       1  /* AIF2_MSTR */
+#define WM8994_AIF2_CLK_FRC                     0x2000  /* AIF2_CLK_FRC */
+#define WM8994_AIF2_CLK_FRC_MASK                0x2000  /* AIF2_CLK_FRC */
+#define WM8994_AIF2_CLK_FRC_SHIFT                   13  /* AIF2_CLK_FRC */
+#define WM8994_AIF2_CLK_FRC_WIDTH                    1  /* AIF2_CLK_FRC */
+#define WM8994_AIF2_LRCLK_FRC                   0x1000  /* AIF2_LRCLK_FRC */
+#define WM8994_AIF2_LRCLK_FRC_MASK              0x1000  /* AIF2_LRCLK_FRC */
+#define WM8994_AIF2_LRCLK_FRC_SHIFT                 12  /* AIF2_LRCLK_FRC */
+#define WM8994_AIF2_LRCLK_FRC_WIDTH                  1  /* AIF2_LRCLK_FRC */
+
+/*
+ * R787 (0x313) - AIF2 BCLK
+ */
+#define WM8994_AIF2_BCLK_DIV_MASK               0x01F0  /* AIF2_BCLK_DIV - [8:4] */
+#define WM8994_AIF2_BCLK_DIV_SHIFT                   4  /* AIF2_BCLK_DIV - [8:4] */
+#define WM8994_AIF2_BCLK_DIV_WIDTH                   5  /* AIF2_BCLK_DIV - [8:4] */
+
+/*
+ * R788 (0x314) - AIF2ADC LRCLK
+ */
+#define WM8994_AIF2ADC_LRCLK_DIR                0x0800  /* AIF2ADC_LRCLK_DIR */
+#define WM8994_AIF2ADC_LRCLK_DIR_MASK           0x0800  /* AIF2ADC_LRCLK_DIR */
+#define WM8994_AIF2ADC_LRCLK_DIR_SHIFT              11  /* AIF2ADC_LRCLK_DIR */
+#define WM8994_AIF2ADC_LRCLK_DIR_WIDTH               1  /* AIF2ADC_LRCLK_DIR */
+#define WM8994_AIF2ADC_RATE_MASK                0x07FF  /* AIF2ADC_RATE - [10:0] */
+#define WM8994_AIF2ADC_RATE_SHIFT                    0  /* AIF2ADC_RATE - [10:0] */
+#define WM8994_AIF2ADC_RATE_WIDTH                   11  /* AIF2ADC_RATE - [10:0] */
+
+/*
+ * R789 (0x315) - AIF2DAC LRCLK
+ */
+#define WM8994_AIF2DAC_LRCLK_DIR                0x0800  /* AIF2DAC_LRCLK_DIR */
+#define WM8994_AIF2DAC_LRCLK_DIR_MASK           0x0800  /* AIF2DAC_LRCLK_DIR */
+#define WM8994_AIF2DAC_LRCLK_DIR_SHIFT              11  /* AIF2DAC_LRCLK_DIR */
+#define WM8994_AIF2DAC_LRCLK_DIR_WIDTH               1  /* AIF2DAC_LRCLK_DIR */
+#define WM8994_AIF2DAC_RATE_MASK                0x07FF  /* AIF2DAC_RATE - [10:0] */
+#define WM8994_AIF2DAC_RATE_SHIFT                    0  /* AIF2DAC_RATE - [10:0] */
+#define WM8994_AIF2DAC_RATE_WIDTH                   11  /* AIF2DAC_RATE - [10:0] */
+
+/*
+ * R790 (0x316) - AIF2DAC Data
+ */
+#define WM8994_AIF2DACL_DAT_INV                 0x0002  /* AIF2DACL_DAT_INV */
+#define WM8994_AIF2DACL_DAT_INV_MASK            0x0002  /* AIF2DACL_DAT_INV */
+#define WM8994_AIF2DACL_DAT_INV_SHIFT                1  /* AIF2DACL_DAT_INV */
+#define WM8994_AIF2DACL_DAT_INV_WIDTH                1  /* AIF2DACL_DAT_INV */
+#define WM8994_AIF2DACR_DAT_INV                 0x0001  /* AIF2DACR_DAT_INV */
+#define WM8994_AIF2DACR_DAT_INV_MASK            0x0001  /* AIF2DACR_DAT_INV */
+#define WM8994_AIF2DACR_DAT_INV_SHIFT                0  /* AIF2DACR_DAT_INV */
+#define WM8994_AIF2DACR_DAT_INV_WIDTH                1  /* AIF2DACR_DAT_INV */
+
+/*
+ * R791 (0x317) - AIF2ADC Data
+ */
+#define WM8994_AIF2ADCL_DAT_INV                 0x0002  /* AIF2ADCL_DAT_INV */
+#define WM8994_AIF2ADCL_DAT_INV_MASK            0x0002  /* AIF2ADCL_DAT_INV */
+#define WM8994_AIF2ADCL_DAT_INV_SHIFT                1  /* AIF2ADCL_DAT_INV */
+#define WM8994_AIF2ADCL_DAT_INV_WIDTH                1  /* AIF2ADCL_DAT_INV */
+#define WM8994_AIF2ADCR_DAT_INV                 0x0001  /* AIF2ADCR_DAT_INV */
+#define WM8994_AIF2ADCR_DAT_INV_MASK            0x0001  /* AIF2ADCR_DAT_INV */
+#define WM8994_AIF2ADCR_DAT_INV_SHIFT                0  /* AIF2ADCR_DAT_INV */
+#define WM8994_AIF2ADCR_DAT_INV_WIDTH                1  /* AIF2ADCR_DAT_INV */
+
+/*
+ * R1024 (0x400) - AIF1 ADC1 Left Volume
+ */
+#define WM8994_AIF1ADC1_VU                      0x0100  /* AIF1ADC1_VU */
+#define WM8994_AIF1ADC1_VU_MASK                 0x0100  /* AIF1ADC1_VU */
+#define WM8994_AIF1ADC1_VU_SHIFT                     8  /* AIF1ADC1_VU */
+#define WM8994_AIF1ADC1_VU_WIDTH                     1  /* AIF1ADC1_VU */
+#define WM8994_AIF1ADC1L_VOL_MASK               0x00FF  /* AIF1ADC1L_VOL - [7:0] */
+#define WM8994_AIF1ADC1L_VOL_SHIFT                   0  /* AIF1ADC1L_VOL - [7:0] */
+#define WM8994_AIF1ADC1L_VOL_WIDTH                   8  /* AIF1ADC1L_VOL - [7:0] */
+
+/*
+ * R1025 (0x401) - AIF1 ADC1 Right Volume
+ */
+#define WM8994_AIF1ADC1_VU                      0x0100  /* AIF1ADC1_VU */
+#define WM8994_AIF1ADC1_VU_MASK                 0x0100  /* AIF1ADC1_VU */
+#define WM8994_AIF1ADC1_VU_SHIFT                     8  /* AIF1ADC1_VU */
+#define WM8994_AIF1ADC1_VU_WIDTH                     1  /* AIF1ADC1_VU */
+#define WM8994_AIF1ADC1R_VOL_MASK               0x00FF  /* AIF1ADC1R_VOL - [7:0] */
+#define WM8994_AIF1ADC1R_VOL_SHIFT                   0  /* AIF1ADC1R_VOL - [7:0] */
+#define WM8994_AIF1ADC1R_VOL_WIDTH                   8  /* AIF1ADC1R_VOL - [7:0] */
+
+/*
+ * R1026 (0x402) - AIF1 DAC1 Left Volume
+ */
+#define WM8994_AIF1DAC1_VU                      0x0100  /* AIF1DAC1_VU */
+#define WM8994_AIF1DAC1_VU_MASK                 0x0100  /* AIF1DAC1_VU */
+#define WM8994_AIF1DAC1_VU_SHIFT                     8  /* AIF1DAC1_VU */
+#define WM8994_AIF1DAC1_VU_WIDTH                     1  /* AIF1DAC1_VU */
+#define WM8994_AIF1DAC1L_VOL_MASK               0x00FF  /* AIF1DAC1L_VOL - [7:0] */
+#define WM8994_AIF1DAC1L_VOL_SHIFT                   0  /* AIF1DAC1L_VOL - [7:0] */
+#define WM8994_AIF1DAC1L_VOL_WIDTH                   8  /* AIF1DAC1L_VOL - [7:0] */
+
+/*
+ * R1027 (0x403) - AIF1 DAC1 Right Volume
+ */
+#define WM8994_AIF1DAC1_VU                      0x0100  /* AIF1DAC1_VU */
+#define WM8994_AIF1DAC1_VU_MASK                 0x0100  /* AIF1DAC1_VU */
+#define WM8994_AIF1DAC1_VU_SHIFT                     8  /* AIF1DAC1_VU */
+#define WM8994_AIF1DAC1_VU_WIDTH                     1  /* AIF1DAC1_VU */
+#define WM8994_AIF1DAC1R_VOL_MASK               0x00FF  /* AIF1DAC1R_VOL - [7:0] */
+#define WM8994_AIF1DAC1R_VOL_SHIFT                   0  /* AIF1DAC1R_VOL - [7:0] */
+#define WM8994_AIF1DAC1R_VOL_WIDTH                   8  /* AIF1DAC1R_VOL - [7:0] */
+
+/*
+ * R1028 (0x404) - AIF1 ADC2 Left Volume
+ */
+#define WM8994_AIF1ADC2_VU                      0x0100  /* AIF1ADC2_VU */
+#define WM8994_AIF1ADC2_VU_MASK                 0x0100  /* AIF1ADC2_VU */
+#define WM8994_AIF1ADC2_VU_SHIFT                     8  /* AIF1ADC2_VU */
+#define WM8994_AIF1ADC2_VU_WIDTH                     1  /* AIF1ADC2_VU */
+#define WM8994_AIF1ADC2L_VOL_MASK               0x00FF  /* AIF1ADC2L_VOL - [7:0] */
+#define WM8994_AIF1ADC2L_VOL_SHIFT                   0  /* AIF1ADC2L_VOL - [7:0] */
+#define WM8994_AIF1ADC2L_VOL_WIDTH                   8  /* AIF1ADC2L_VOL - [7:0] */
+
+/*
+ * R1029 (0x405) - AIF1 ADC2 Right Volume
+ */
+#define WM8994_AIF1ADC2_VU                      0x0100  /* AIF1ADC2_VU */
+#define WM8994_AIF1ADC2_VU_MASK                 0x0100  /* AIF1ADC2_VU */
+#define WM8994_AIF1ADC2_VU_SHIFT                     8  /* AIF1ADC2_VU */
+#define WM8994_AIF1ADC2_VU_WIDTH                     1  /* AIF1ADC2_VU */
+#define WM8994_AIF1ADC2R_VOL_MASK               0x00FF  /* AIF1ADC2R_VOL - [7:0] */
+#define WM8994_AIF1ADC2R_VOL_SHIFT                   0  /* AIF1ADC2R_VOL - [7:0] */
+#define WM8994_AIF1ADC2R_VOL_WIDTH                   8  /* AIF1ADC2R_VOL - [7:0] */
+
+/*
+ * R1030 (0x406) - AIF1 DAC2 Left Volume
+ */
+#define WM8994_AIF1DAC2_VU                      0x0100  /* AIF1DAC2_VU */
+#define WM8994_AIF1DAC2_VU_MASK                 0x0100  /* AIF1DAC2_VU */
+#define WM8994_AIF1DAC2_VU_SHIFT                     8  /* AIF1DAC2_VU */
+#define WM8994_AIF1DAC2_VU_WIDTH                     1  /* AIF1DAC2_VU */
+#define WM8994_AIF1DAC2L_VOL_MASK               0x00FF  /* AIF1DAC2L_VOL - [7:0] */
+#define WM8994_AIF1DAC2L_VOL_SHIFT                   0  /* AIF1DAC2L_VOL - [7:0] */
+#define WM8994_AIF1DAC2L_VOL_WIDTH                   8  /* AIF1DAC2L_VOL - [7:0] */
+
+/*
+ * R1031 (0x407) - AIF1 DAC2 Right Volume
+ */
+#define WM8994_AIF1DAC2_VU                      0x0100  /* AIF1DAC2_VU */
+#define WM8994_AIF1DAC2_VU_MASK                 0x0100  /* AIF1DAC2_VU */
+#define WM8994_AIF1DAC2_VU_SHIFT                     8  /* AIF1DAC2_VU */
+#define WM8994_AIF1DAC2_VU_WIDTH                     1  /* AIF1DAC2_VU */
+#define WM8994_AIF1DAC2R_VOL_MASK               0x00FF  /* AIF1DAC2R_VOL - [7:0] */
+#define WM8994_AIF1DAC2R_VOL_SHIFT                   0  /* AIF1DAC2R_VOL - [7:0] */
+#define WM8994_AIF1DAC2R_VOL_WIDTH                   8  /* AIF1DAC2R_VOL - [7:0] */
+
+/*
+ * R1040 (0x410) - AIF1 ADC1 Filters
+ */
+#define WM8994_AIF1ADC_4FS                      0x8000  /* AIF1ADC_4FS */
+#define WM8994_AIF1ADC_4FS_MASK                 0x8000  /* AIF1ADC_4FS */
+#define WM8994_AIF1ADC_4FS_SHIFT                    15  /* AIF1ADC_4FS */
+#define WM8994_AIF1ADC_4FS_WIDTH                     1  /* AIF1ADC_4FS */
+#define WM8994_AIF1ADC1_HPF_CUT_MASK            0x6000  /* AIF1ADC1_HPF_CUT - [14:13] */
+#define WM8994_AIF1ADC1_HPF_CUT_SHIFT               13  /* AIF1ADC1_HPF_CUT - [14:13] */
+#define WM8994_AIF1ADC1_HPF_CUT_WIDTH                2  /* AIF1ADC1_HPF_CUT - [14:13] */
+#define WM8994_AIF1ADC1L_HPF                    0x1000  /* AIF1ADC1L_HPF */
+#define WM8994_AIF1ADC1L_HPF_MASK               0x1000  /* AIF1ADC1L_HPF */
+#define WM8994_AIF1ADC1L_HPF_SHIFT                  12  /* AIF1ADC1L_HPF */
+#define WM8994_AIF1ADC1L_HPF_WIDTH                   1  /* AIF1ADC1L_HPF */
+#define WM8994_AIF1ADC1R_HPF                    0x0800  /* AIF1ADC1R_HPF */
+#define WM8994_AIF1ADC1R_HPF_MASK               0x0800  /* AIF1ADC1R_HPF */
+#define WM8994_AIF1ADC1R_HPF_SHIFT                  11  /* AIF1ADC1R_HPF */
+#define WM8994_AIF1ADC1R_HPF_WIDTH                   1  /* AIF1ADC1R_HPF */
+
+/*
+ * R1041 (0x411) - AIF1 ADC2 Filters
+ */
+#define WM8994_AIF1ADC2_HPF_CUT_MASK            0x6000  /* AIF1ADC2_HPF_CUT - [14:13] */
+#define WM8994_AIF1ADC2_HPF_CUT_SHIFT               13  /* AIF1ADC2_HPF_CUT - [14:13] */
+#define WM8994_AIF1ADC2_HPF_CUT_WIDTH                2  /* AIF1ADC2_HPF_CUT - [14:13] */
+#define WM8994_AIF1ADC2L_HPF                    0x1000  /* AIF1ADC2L_HPF */
+#define WM8994_AIF1ADC2L_HPF_MASK               0x1000  /* AIF1ADC2L_HPF */
+#define WM8994_AIF1ADC2L_HPF_SHIFT                  12  /* AIF1ADC2L_HPF */
+#define WM8994_AIF1ADC2L_HPF_WIDTH                   1  /* AIF1ADC2L_HPF */
+#define WM8994_AIF1ADC2R_HPF                    0x0800  /* AIF1ADC2R_HPF */
+#define WM8994_AIF1ADC2R_HPF_MASK               0x0800  /* AIF1ADC2R_HPF */
+#define WM8994_AIF1ADC2R_HPF_SHIFT                  11  /* AIF1ADC2R_HPF */
+#define WM8994_AIF1ADC2R_HPF_WIDTH                   1  /* AIF1ADC2R_HPF */
+
+/*
+ * R1056 (0x420) - AIF1 DAC1 Filters (1)
+ */
+#define WM8994_AIF1DAC1_MUTE                    0x0200  /* AIF1DAC1_MUTE */
+#define WM8994_AIF1DAC1_MUTE_MASK               0x0200  /* AIF1DAC1_MUTE */
+#define WM8994_AIF1DAC1_MUTE_SHIFT                   9  /* AIF1DAC1_MUTE */
+#define WM8994_AIF1DAC1_MUTE_WIDTH                   1  /* AIF1DAC1_MUTE */
+#define WM8994_AIF1DAC1_MONO                    0x0080  /* AIF1DAC1_MONO */
+#define WM8994_AIF1DAC1_MONO_MASK               0x0080  /* AIF1DAC1_MONO */
+#define WM8994_AIF1DAC1_MONO_SHIFT                   7  /* AIF1DAC1_MONO */
+#define WM8994_AIF1DAC1_MONO_WIDTH                   1  /* AIF1DAC1_MONO */
+#define WM8994_AIF1DAC1_MUTERATE                0x0020  /* AIF1DAC1_MUTERATE */
+#define WM8994_AIF1DAC1_MUTERATE_MASK           0x0020  /* AIF1DAC1_MUTERATE */
+#define WM8994_AIF1DAC1_MUTERATE_SHIFT               5  /* AIF1DAC1_MUTERATE */
+#define WM8994_AIF1DAC1_MUTERATE_WIDTH               1  /* AIF1DAC1_MUTERATE */
+#define WM8994_AIF1DAC1_UNMUTE_RAMP             0x0010  /* AIF1DAC1_UNMUTE_RAMP */
+#define WM8994_AIF1DAC1_UNMUTE_RAMP_MASK        0x0010  /* AIF1DAC1_UNMUTE_RAMP */
+#define WM8994_AIF1DAC1_UNMUTE_RAMP_SHIFT            4  /* AIF1DAC1_UNMUTE_RAMP */
+#define WM8994_AIF1DAC1_UNMUTE_RAMP_WIDTH            1  /* AIF1DAC1_UNMUTE_RAMP */
+#define WM8994_AIF1DAC1_DEEMP_MASK              0x0006  /* AIF1DAC1_DEEMP - [2:1] */
+#define WM8994_AIF1DAC1_DEEMP_SHIFT                  1  /* AIF1DAC1_DEEMP - [2:1] */
+#define WM8994_AIF1DAC1_DEEMP_WIDTH                  2  /* AIF1DAC1_DEEMP - [2:1] */
+
+/*
+ * R1057 (0x421) - AIF1 DAC1 Filters (2)
+ */
+#define WM8994_AIF1DAC1_3D_GAIN_MASK            0x3E00  /* AIF1DAC1_3D_GAIN - [13:9] */
+#define WM8994_AIF1DAC1_3D_GAIN_SHIFT                9  /* AIF1DAC1_3D_GAIN - [13:9] */
+#define WM8994_AIF1DAC1_3D_GAIN_WIDTH                5  /* AIF1DAC1_3D_GAIN - [13:9] */
+#define WM8994_AIF1DAC1_3D_ENA                  0x0100  /* AIF1DAC1_3D_ENA */
+#define WM8994_AIF1DAC1_3D_ENA_MASK             0x0100  /* AIF1DAC1_3D_ENA */
+#define WM8994_AIF1DAC1_3D_ENA_SHIFT                 8  /* AIF1DAC1_3D_ENA */
+#define WM8994_AIF1DAC1_3D_ENA_WIDTH                 1  /* AIF1DAC1_3D_ENA */
+
+/*
+ * R1058 (0x422) - AIF1 DAC2 Filters (1)
+ */
+#define WM8994_AIF1DAC2_MUTE                    0x0200  /* AIF1DAC2_MUTE */
+#define WM8994_AIF1DAC2_MUTE_MASK               0x0200  /* AIF1DAC2_MUTE */
+#define WM8994_AIF1DAC2_MUTE_SHIFT                   9  /* AIF1DAC2_MUTE */
+#define WM8994_AIF1DAC2_MUTE_WIDTH                   1  /* AIF1DAC2_MUTE */
+#define WM8994_AIF1DAC2_MONO                    0x0080  /* AIF1DAC2_MONO */
+#define WM8994_AIF1DAC2_MONO_MASK               0x0080  /* AIF1DAC2_MONO */
+#define WM8994_AIF1DAC2_MONO_SHIFT                   7  /* AIF1DAC2_MONO */
+#define WM8994_AIF1DAC2_MONO_WIDTH                   1  /* AIF1DAC2_MONO */
+#define WM8994_AIF1DAC2_MUTERATE                0x0020  /* AIF1DAC2_MUTERATE */
+#define WM8994_AIF1DAC2_MUTERATE_MASK           0x0020  /* AIF1DAC2_MUTERATE */
+#define WM8994_AIF1DAC2_MUTERATE_SHIFT               5  /* AIF1DAC2_MUTERATE */
+#define WM8994_AIF1DAC2_MUTERATE_WIDTH               1  /* AIF1DAC2_MUTERATE */
+#define WM8994_AIF1DAC2_UNMUTE_RAMP             0x0010  /* AIF1DAC2_UNMUTE_RAMP */
+#define WM8994_AIF1DAC2_UNMUTE_RAMP_MASK        0x0010  /* AIF1DAC2_UNMUTE_RAMP */
+#define WM8994_AIF1DAC2_UNMUTE_RAMP_SHIFT            4  /* AIF1DAC2_UNMUTE_RAMP */
+#define WM8994_AIF1DAC2_UNMUTE_RAMP_WIDTH            1  /* AIF1DAC2_UNMUTE_RAMP */
+#define WM8994_AIF1DAC2_DEEMP_MASK              0x0006  /* AIF1DAC2_DEEMP - [2:1] */
+#define WM8994_AIF1DAC2_DEEMP_SHIFT                  1  /* AIF1DAC2_DEEMP - [2:1] */
+#define WM8994_AIF1DAC2_DEEMP_WIDTH                  2  /* AIF1DAC2_DEEMP - [2:1] */
+
+/*
+ * R1059 (0x423) - AIF1 DAC2 Filters (2)
+ */
+#define WM8994_AIF1DAC2_3D_GAIN_MASK            0x3E00  /* AIF1DAC2_3D_GAIN - [13:9] */
+#define WM8994_AIF1DAC2_3D_GAIN_SHIFT                9  /* AIF1DAC2_3D_GAIN - [13:9] */
+#define WM8994_AIF1DAC2_3D_GAIN_WIDTH                5  /* AIF1DAC2_3D_GAIN - [13:9] */
+#define WM8994_AIF1DAC2_3D_ENA                  0x0100  /* AIF1DAC2_3D_ENA */
+#define WM8994_AIF1DAC2_3D_ENA_MASK             0x0100  /* AIF1DAC2_3D_ENA */
+#define WM8994_AIF1DAC2_3D_ENA_SHIFT                 8  /* AIF1DAC2_3D_ENA */
+#define WM8994_AIF1DAC2_3D_ENA_WIDTH                 1  /* AIF1DAC2_3D_ENA */
+
+/*
+ * R1088 (0x440) - AIF1 DRC1 (1)
+ */
+#define WM8994_AIF1DRC1_SIG_DET_RMS_MASK        0xF800  /* AIF1DRC1_SIG_DET_RMS - [15:11] */
+#define WM8994_AIF1DRC1_SIG_DET_RMS_SHIFT           11  /* AIF1DRC1_SIG_DET_RMS - [15:11] */
+#define WM8994_AIF1DRC1_SIG_DET_RMS_WIDTH            5  /* AIF1DRC1_SIG_DET_RMS - [15:11] */
+#define WM8994_AIF1DRC1_SIG_DET_PK_MASK         0x0600  /* AIF1DRC1_SIG_DET_PK - [10:9] */
+#define WM8994_AIF1DRC1_SIG_DET_PK_SHIFT             9  /* AIF1DRC1_SIG_DET_PK - [10:9] */
+#define WM8994_AIF1DRC1_SIG_DET_PK_WIDTH             2  /* AIF1DRC1_SIG_DET_PK - [10:9] */
+#define WM8994_AIF1DRC1_NG_ENA                  0x0100  /* AIF1DRC1_NG_ENA */
+#define WM8994_AIF1DRC1_NG_ENA_MASK             0x0100  /* AIF1DRC1_NG_ENA */
+#define WM8994_AIF1DRC1_NG_ENA_SHIFT                 8  /* AIF1DRC1_NG_ENA */
+#define WM8994_AIF1DRC1_NG_ENA_WIDTH                 1  /* AIF1DRC1_NG_ENA */
+#define WM8994_AIF1DRC1_SIG_DET_MODE            0x0080  /* AIF1DRC1_SIG_DET_MODE */
+#define WM8994_AIF1DRC1_SIG_DET_MODE_MASK       0x0080  /* AIF1DRC1_SIG_DET_MODE */
+#define WM8994_AIF1DRC1_SIG_DET_MODE_SHIFT           7  /* AIF1DRC1_SIG_DET_MODE */
+#define WM8994_AIF1DRC1_SIG_DET_MODE_WIDTH           1  /* AIF1DRC1_SIG_DET_MODE */
+#define WM8994_AIF1DRC1_SIG_DET                 0x0040  /* AIF1DRC1_SIG_DET */
+#define WM8994_AIF1DRC1_SIG_DET_MASK            0x0040  /* AIF1DRC1_SIG_DET */
+#define WM8994_AIF1DRC1_SIG_DET_SHIFT                6  /* AIF1DRC1_SIG_DET */
+#define WM8994_AIF1DRC1_SIG_DET_WIDTH                1  /* AIF1DRC1_SIG_DET */
+#define WM8994_AIF1DRC1_KNEE2_OP_ENA            0x0020  /* AIF1DRC1_KNEE2_OP_ENA */
+#define WM8994_AIF1DRC1_KNEE2_OP_ENA_MASK       0x0020  /* AIF1DRC1_KNEE2_OP_ENA */
+#define WM8994_AIF1DRC1_KNEE2_OP_ENA_SHIFT           5  /* AIF1DRC1_KNEE2_OP_ENA */
+#define WM8994_AIF1DRC1_KNEE2_OP_ENA_WIDTH           1  /* AIF1DRC1_KNEE2_OP_ENA */
+#define WM8994_AIF1DRC1_QR                      0x0010  /* AIF1DRC1_QR */
+#define WM8994_AIF1DRC1_QR_MASK                 0x0010  /* AIF1DRC1_QR */
+#define WM8994_AIF1DRC1_QR_SHIFT                     4  /* AIF1DRC1_QR */
+#define WM8994_AIF1DRC1_QR_WIDTH                     1  /* AIF1DRC1_QR */
+#define WM8994_AIF1DRC1_ANTICLIP                0x0008  /* AIF1DRC1_ANTICLIP */
+#define WM8994_AIF1DRC1_ANTICLIP_MASK           0x0008  /* AIF1DRC1_ANTICLIP */
+#define WM8994_AIF1DRC1_ANTICLIP_SHIFT               3  /* AIF1DRC1_ANTICLIP */
+#define WM8994_AIF1DRC1_ANTICLIP_WIDTH               1  /* AIF1DRC1_ANTICLIP */
+#define WM8994_AIF1DAC1_DRC_ENA                 0x0004  /* AIF1DAC1_DRC_ENA */
+#define WM8994_AIF1DAC1_DRC_ENA_MASK            0x0004  /* AIF1DAC1_DRC_ENA */
+#define WM8994_AIF1DAC1_DRC_ENA_SHIFT                2  /* AIF1DAC1_DRC_ENA */
+#define WM8994_AIF1DAC1_DRC_ENA_WIDTH                1  /* AIF1DAC1_DRC_ENA */
+#define WM8994_AIF1ADC1L_DRC_ENA                0x0002  /* AIF1ADC1L_DRC_ENA */
+#define WM8994_AIF1ADC1L_DRC_ENA_MASK           0x0002  /* AIF1ADC1L_DRC_ENA */
+#define WM8994_AIF1ADC1L_DRC_ENA_SHIFT               1  /* AIF1ADC1L_DRC_ENA */
+#define WM8994_AIF1ADC1L_DRC_ENA_WIDTH               1  /* AIF1ADC1L_DRC_ENA */
+#define WM8994_AIF1ADC1R_DRC_ENA                0x0001  /* AIF1ADC1R_DRC_ENA */
+#define WM8994_AIF1ADC1R_DRC_ENA_MASK           0x0001  /* AIF1ADC1R_DRC_ENA */
+#define WM8994_AIF1ADC1R_DRC_ENA_SHIFT               0  /* AIF1ADC1R_DRC_ENA */
+#define WM8994_AIF1ADC1R_DRC_ENA_WIDTH               1  /* AIF1ADC1R_DRC_ENA */
+
+/*
+ * R1089 (0x441) - AIF1 DRC1 (2)
+ */
+#define WM8994_AIF1DRC1_ATK_MASK                0x1E00  /* AIF1DRC1_ATK - [12:9] */
+#define WM8994_AIF1DRC1_ATK_SHIFT                    9  /* AIF1DRC1_ATK - [12:9] */
+#define WM8994_AIF1DRC1_ATK_WIDTH                    4  /* AIF1DRC1_ATK - [12:9] */
+#define WM8994_AIF1DRC1_DCY_MASK                0x01E0  /* AIF1DRC1_DCY - [8:5] */
+#define WM8994_AIF1DRC1_DCY_SHIFT                    5  /* AIF1DRC1_DCY - [8:5] */
+#define WM8994_AIF1DRC1_DCY_WIDTH                    4  /* AIF1DRC1_DCY - [8:5] */
+#define WM8994_AIF1DRC1_MINGAIN_MASK            0x001C  /* AIF1DRC1_MINGAIN - [4:2] */
+#define WM8994_AIF1DRC1_MINGAIN_SHIFT                2  /* AIF1DRC1_MINGAIN - [4:2] */
+#define WM8994_AIF1DRC1_MINGAIN_WIDTH                3  /* AIF1DRC1_MINGAIN - [4:2] */
+#define WM8994_AIF1DRC1_MAXGAIN_MASK            0x0003  /* AIF1DRC1_MAXGAIN - [1:0] */
+#define WM8994_AIF1DRC1_MAXGAIN_SHIFT                0  /* AIF1DRC1_MAXGAIN - [1:0] */
+#define WM8994_AIF1DRC1_MAXGAIN_WIDTH                2  /* AIF1DRC1_MAXGAIN - [1:0] */
+
+/*
+ * R1090 (0x442) - AIF1 DRC1 (3)
+ */
+#define WM8994_AIF1DRC1_NG_MINGAIN_MASK         0xF000  /* AIF1DRC1_NG_MINGAIN - [15:12] */
+#define WM8994_AIF1DRC1_NG_MINGAIN_SHIFT            12  /* AIF1DRC1_NG_MINGAIN - [15:12] */
+#define WM8994_AIF1DRC1_NG_MINGAIN_WIDTH             4  /* AIF1DRC1_NG_MINGAIN - [15:12] */
+#define WM8994_AIF1DRC1_NG_EXP_MASK             0x0C00  /* AIF1DRC1_NG_EXP - [11:10] */
+#define WM8994_AIF1DRC1_NG_EXP_SHIFT                10  /* AIF1DRC1_NG_EXP - [11:10] */
+#define WM8994_AIF1DRC1_NG_EXP_WIDTH                 2  /* AIF1DRC1_NG_EXP - [11:10] */
+#define WM8994_AIF1DRC1_QR_THR_MASK             0x0300  /* AIF1DRC1_QR_THR - [9:8] */
+#define WM8994_AIF1DRC1_QR_THR_SHIFT                 8  /* AIF1DRC1_QR_THR - [9:8] */
+#define WM8994_AIF1DRC1_QR_THR_WIDTH                 2  /* AIF1DRC1_QR_THR - [9:8] */
+#define WM8994_AIF1DRC1_QR_DCY_MASK             0x00C0  /* AIF1DRC1_QR_DCY - [7:6] */
+#define WM8994_AIF1DRC1_QR_DCY_SHIFT                 6  /* AIF1DRC1_QR_DCY - [7:6] */
+#define WM8994_AIF1DRC1_QR_DCY_WIDTH                 2  /* AIF1DRC1_QR_DCY - [7:6] */
+#define WM8994_AIF1DRC1_HI_COMP_MASK            0x0038  /* AIF1DRC1_HI_COMP - [5:3] */
+#define WM8994_AIF1DRC1_HI_COMP_SHIFT                3  /* AIF1DRC1_HI_COMP - [5:3] */
+#define WM8994_AIF1DRC1_HI_COMP_WIDTH                3  /* AIF1DRC1_HI_COMP - [5:3] */
+#define WM8994_AIF1DRC1_LO_COMP_MASK            0x0007  /* AIF1DRC1_LO_COMP - [2:0] */
+#define WM8994_AIF1DRC1_LO_COMP_SHIFT                0  /* AIF1DRC1_LO_COMP - [2:0] */
+#define WM8994_AIF1DRC1_LO_COMP_WIDTH                3  /* AIF1DRC1_LO_COMP - [2:0] */
+
+/*
+ * R1091 (0x443) - AIF1 DRC1 (4)
+ */
+#define WM8994_AIF1DRC1_KNEE_IP_MASK            0x07E0  /* AIF1DRC1_KNEE_IP - [10:5] */
+#define WM8994_AIF1DRC1_KNEE_IP_SHIFT                5  /* AIF1DRC1_KNEE_IP - [10:5] */
+#define WM8994_AIF1DRC1_KNEE_IP_WIDTH                6  /* AIF1DRC1_KNEE_IP - [10:5] */
+#define WM8994_AIF1DRC1_KNEE_OP_MASK            0x001F  /* AIF1DRC1_KNEE_OP - [4:0] */
+#define WM8994_AIF1DRC1_KNEE_OP_SHIFT                0  /* AIF1DRC1_KNEE_OP - [4:0] */
+#define WM8994_AIF1DRC1_KNEE_OP_WIDTH                5  /* AIF1DRC1_KNEE_OP - [4:0] */
+
+/*
+ * R1092 (0x444) - AIF1 DRC1 (5)
+ */
+#define WM8994_AIF1DRC1_KNEE2_IP_MASK           0x03E0  /* AIF1DRC1_KNEE2_IP - [9:5] */
+#define WM8994_AIF1DRC1_KNEE2_IP_SHIFT               5  /* AIF1DRC1_KNEE2_IP - [9:5] */
+#define WM8994_AIF1DRC1_KNEE2_IP_WIDTH               5  /* AIF1DRC1_KNEE2_IP - [9:5] */
+#define WM8994_AIF1DRC1_KNEE2_OP_MASK           0x001F  /* AIF1DRC1_KNEE2_OP - [4:0] */
+#define WM8994_AIF1DRC1_KNEE2_OP_SHIFT               0  /* AIF1DRC1_KNEE2_OP - [4:0] */
+#define WM8994_AIF1DRC1_KNEE2_OP_WIDTH               5  /* AIF1DRC1_KNEE2_OP - [4:0] */
+
+/*
+ * R1104 (0x450) - AIF1 DRC2 (1)
+ */
+#define WM8994_AIF1DRC2_SIG_DET_RMS_MASK        0xF800  /* AIF1DRC2_SIG_DET_RMS - [15:11] */
+#define WM8994_AIF1DRC2_SIG_DET_RMS_SHIFT           11  /* AIF1DRC2_SIG_DET_RMS - [15:11] */
+#define WM8994_AIF1DRC2_SIG_DET_RMS_WIDTH            5  /* AIF1DRC2_SIG_DET_RMS - [15:11] */
+#define WM8994_AIF1DRC2_SIG_DET_PK_MASK         0x0600  /* AIF1DRC2_SIG_DET_PK - [10:9] */
+#define WM8994_AIF1DRC2_SIG_DET_PK_SHIFT             9  /* AIF1DRC2_SIG_DET_PK - [10:9] */
+#define WM8994_AIF1DRC2_SIG_DET_PK_WIDTH             2  /* AIF1DRC2_SIG_DET_PK - [10:9] */
+#define WM8994_AIF1DRC2_NG_ENA                  0x0100  /* AIF1DRC2_NG_ENA */
+#define WM8994_AIF1DRC2_NG_ENA_MASK             0x0100  /* AIF1DRC2_NG_ENA */
+#define WM8994_AIF1DRC2_NG_ENA_SHIFT                 8  /* AIF1DRC2_NG_ENA */
+#define WM8994_AIF1DRC2_NG_ENA_WIDTH                 1  /* AIF1DRC2_NG_ENA */
+#define WM8994_AIF1DRC2_SIG_DET_MODE            0x0080  /* AIF1DRC2_SIG_DET_MODE */
+#define WM8994_AIF1DRC2_SIG_DET_MODE_MASK       0x0080  /* AIF1DRC2_SIG_DET_MODE */
+#define WM8994_AIF1DRC2_SIG_DET_MODE_SHIFT           7  /* AIF1DRC2_SIG_DET_MODE */
+#define WM8994_AIF1DRC2_SIG_DET_MODE_WIDTH           1  /* AIF1DRC2_SIG_DET_MODE */
+#define WM8994_AIF1DRC2_SIG_DET                 0x0040  /* AIF1DRC2_SIG_DET */
+#define WM8994_AIF1DRC2_SIG_DET_MASK            0x0040  /* AIF1DRC2_SIG_DET */
+#define WM8994_AIF1DRC2_SIG_DET_SHIFT                6  /* AIF1DRC2_SIG_DET */
+#define WM8994_AIF1DRC2_SIG_DET_WIDTH                1  /* AIF1DRC2_SIG_DET */
+#define WM8994_AIF1DRC2_KNEE2_OP_ENA            0x0020  /* AIF1DRC2_KNEE2_OP_ENA */
+#define WM8994_AIF1DRC2_KNEE2_OP_ENA_MASK       0x0020  /* AIF1DRC2_KNEE2_OP_ENA */
+#define WM8994_AIF1DRC2_KNEE2_OP_ENA_SHIFT           5  /* AIF1DRC2_KNEE2_OP_ENA */
+#define WM8994_AIF1DRC2_KNEE2_OP_ENA_WIDTH           1  /* AIF1DRC2_KNEE2_OP_ENA */
+#define WM8994_AIF1DRC2_QR                      0x0010  /* AIF1DRC2_QR */
+#define WM8994_AIF1DRC2_QR_MASK                 0x0010  /* AIF1DRC2_QR */
+#define WM8994_AIF1DRC2_QR_SHIFT                     4  /* AIF1DRC2_QR */
+#define WM8994_AIF1DRC2_QR_WIDTH                     1  /* AIF1DRC2_QR */
+#define WM8994_AIF1DRC2_ANTICLIP                0x0008  /* AIF1DRC2_ANTICLIP */
+#define WM8994_AIF1DRC2_ANTICLIP_MASK           0x0008  /* AIF1DRC2_ANTICLIP */
+#define WM8994_AIF1DRC2_ANTICLIP_SHIFT               3  /* AIF1DRC2_ANTICLIP */
+#define WM8994_AIF1DRC2_ANTICLIP_WIDTH               1  /* AIF1DRC2_ANTICLIP */
+#define WM8994_AIF1DAC2_DRC_ENA                 0x0004  /* AIF1DAC2_DRC_ENA */
+#define WM8994_AIF1DAC2_DRC_ENA_MASK            0x0004  /* AIF1DAC2_DRC_ENA */
+#define WM8994_AIF1DAC2_DRC_ENA_SHIFT                2  /* AIF1DAC2_DRC_ENA */
+#define WM8994_AIF1DAC2_DRC_ENA_WIDTH                1  /* AIF1DAC2_DRC_ENA */
+#define WM8994_AIF1ADC2L_DRC_ENA                0x0002  /* AIF1ADC2L_DRC_ENA */
+#define WM8994_AIF1ADC2L_DRC_ENA_MASK           0x0002  /* AIF1ADC2L_DRC_ENA */
+#define WM8994_AIF1ADC2L_DRC_ENA_SHIFT               1  /* AIF1ADC2L_DRC_ENA */
+#define WM8994_AIF1ADC2L_DRC_ENA_WIDTH               1  /* AIF1ADC2L_DRC_ENA */
+#define WM8994_AIF1ADC2R_DRC_ENA                0x0001  /* AIF1ADC2R_DRC_ENA */
+#define WM8994_AIF1ADC2R_DRC_ENA_MASK           0x0001  /* AIF1ADC2R_DRC_ENA */
+#define WM8994_AIF1ADC2R_DRC_ENA_SHIFT               0  /* AIF1ADC2R_DRC_ENA */
+#define WM8994_AIF1ADC2R_DRC_ENA_WIDTH               1  /* AIF1ADC2R_DRC_ENA */
+
+/*
+ * R1105 (0x451) - AIF1 DRC2 (2)
+ */
+#define WM8994_AIF1DRC2_ATK_MASK                0x1E00  /* AIF1DRC2_ATK - [12:9] */
+#define WM8994_AIF1DRC2_ATK_SHIFT                    9  /* AIF1DRC2_ATK - [12:9] */
+#define WM8994_AIF1DRC2_ATK_WIDTH                    4  /* AIF1DRC2_ATK - [12:9] */
+#define WM8994_AIF1DRC2_DCY_MASK                0x01E0  /* AIF1DRC2_DCY - [8:5] */
+#define WM8994_AIF1DRC2_DCY_SHIFT                    5  /* AIF1DRC2_DCY - [8:5] */
+#define WM8994_AIF1DRC2_DCY_WIDTH                    4  /* AIF1DRC2_DCY - [8:5] */
+#define WM8994_AIF1DRC2_MINGAIN_MASK            0x001C  /* AIF1DRC2_MINGAIN - [4:2] */
+#define WM8994_AIF1DRC2_MINGAIN_SHIFT                2  /* AIF1DRC2_MINGAIN - [4:2] */
+#define WM8994_AIF1DRC2_MINGAIN_WIDTH                3  /* AIF1DRC2_MINGAIN - [4:2] */
+#define WM8994_AIF1DRC2_MAXGAIN_MASK            0x0003  /* AIF1DRC2_MAXGAIN - [1:0] */
+#define WM8994_AIF1DRC2_MAXGAIN_SHIFT                0  /* AIF1DRC2_MAXGAIN - [1:0] */
+#define WM8994_AIF1DRC2_MAXGAIN_WIDTH                2  /* AIF1DRC2_MAXGAIN - [1:0] */
+
+/*
+ * R1106 (0x452) - AIF1 DRC2 (3)
+ */
+#define WM8994_AIF1DRC2_NG_MINGAIN_MASK         0xF000  /* AIF1DRC2_NG_MINGAIN - [15:12] */
+#define WM8994_AIF1DRC2_NG_MINGAIN_SHIFT            12  /* AIF1DRC2_NG_MINGAIN - [15:12] */
+#define WM8994_AIF1DRC2_NG_MINGAIN_WIDTH             4  /* AIF1DRC2_NG_MINGAIN - [15:12] */
+#define WM8994_AIF1DRC2_NG_EXP_MASK             0x0C00  /* AIF1DRC2_NG_EXP - [11:10] */
+#define WM8994_AIF1DRC2_NG_EXP_SHIFT                10  /* AIF1DRC2_NG_EXP - [11:10] */
+#define WM8994_AIF1DRC2_NG_EXP_WIDTH                 2  /* AIF1DRC2_NG_EXP - [11:10] */
+#define WM8994_AIF1DRC2_QR_THR_MASK             0x0300  /* AIF1DRC2_QR_THR - [9:8] */
+#define WM8994_AIF1DRC2_QR_THR_SHIFT                 8  /* AIF1DRC2_QR_THR - [9:8] */
+#define WM8994_AIF1DRC2_QR_THR_WIDTH                 2  /* AIF1DRC2_QR_THR - [9:8] */
+#define WM8994_AIF1DRC2_QR_DCY_MASK             0x00C0  /* AIF1DRC2_QR_DCY - [7:6] */
+#define WM8994_AIF1DRC2_QR_DCY_SHIFT                 6  /* AIF1DRC2_QR_DCY - [7:6] */
+#define WM8994_AIF1DRC2_QR_DCY_WIDTH                 2  /* AIF1DRC2_QR_DCY - [7:6] */
+#define WM8994_AIF1DRC2_HI_COMP_MASK            0x0038  /* AIF1DRC2_HI_COMP - [5:3] */
+#define WM8994_AIF1DRC2_HI_COMP_SHIFT                3  /* AIF1DRC2_HI_COMP - [5:3] */
+#define WM8994_AIF1DRC2_HI_COMP_WIDTH                3  /* AIF1DRC2_HI_COMP - [5:3] */
+#define WM8994_AIF1DRC2_LO_COMP_MASK            0x0007  /* AIF1DRC2_LO_COMP - [2:0] */
+#define WM8994_AIF1DRC2_LO_COMP_SHIFT                0  /* AIF1DRC2_LO_COMP - [2:0] */
+#define WM8994_AIF1DRC2_LO_COMP_WIDTH                3  /* AIF1DRC2_LO_COMP - [2:0] */
+
+/*
+ * R1107 (0x453) - AIF1 DRC2 (4)
+ */
+#define WM8994_AIF1DRC2_KNEE_IP_MASK            0x07E0  /* AIF1DRC2_KNEE_IP - [10:5] */
+#define WM8994_AIF1DRC2_KNEE_IP_SHIFT                5  /* AIF1DRC2_KNEE_IP - [10:5] */
+#define WM8994_AIF1DRC2_KNEE_IP_WIDTH                6  /* AIF1DRC2_KNEE_IP - [10:5] */
+#define WM8994_AIF1DRC2_KNEE_OP_MASK            0x001F  /* AIF1DRC2_KNEE_OP - [4:0] */
+#define WM8994_AIF1DRC2_KNEE_OP_SHIFT                0  /* AIF1DRC2_KNEE_OP - [4:0] */
+#define WM8994_AIF1DRC2_KNEE_OP_WIDTH                5  /* AIF1DRC2_KNEE_OP - [4:0] */
+
+/*
+ * R1108 (0x454) - AIF1 DRC2 (5)
+ */
+#define WM8994_AIF1DRC2_KNEE2_IP_MASK           0x03E0  /* AIF1DRC2_KNEE2_IP - [9:5] */
+#define WM8994_AIF1DRC2_KNEE2_IP_SHIFT               5  /* AIF1DRC2_KNEE2_IP - [9:5] */
+#define WM8994_AIF1DRC2_KNEE2_IP_WIDTH               5  /* AIF1DRC2_KNEE2_IP - [9:5] */
+#define WM8994_AIF1DRC2_KNEE2_OP_MASK           0x001F  /* AIF1DRC2_KNEE2_OP - [4:0] */
+#define WM8994_AIF1DRC2_KNEE2_OP_SHIFT               0  /* AIF1DRC2_KNEE2_OP - [4:0] */
+#define WM8994_AIF1DRC2_KNEE2_OP_WIDTH               5  /* AIF1DRC2_KNEE2_OP - [4:0] */
+
+/*
+ * R1152 (0x480) - AIF1 DAC1 EQ Gains (1)
+ */
+#define WM8994_AIF1DAC1_EQ_B1_GAIN_MASK         0xF800  /* AIF1DAC1_EQ_B1_GAIN - [15:11] */
+#define WM8994_AIF1DAC1_EQ_B1_GAIN_SHIFT            11  /* AIF1DAC1_EQ_B1_GAIN - [15:11] */
+#define WM8994_AIF1DAC1_EQ_B1_GAIN_WIDTH             5  /* AIF1DAC1_EQ_B1_GAIN - [15:11] */
+#define WM8994_AIF1DAC1_EQ_B2_GAIN_MASK         0x07C0  /* AIF1DAC1_EQ_B2_GAIN - [10:6] */
+#define WM8994_AIF1DAC1_EQ_B2_GAIN_SHIFT             6  /* AIF1DAC1_EQ_B2_GAIN - [10:6] */
+#define WM8994_AIF1DAC1_EQ_B2_GAIN_WIDTH             5  /* AIF1DAC1_EQ_B2_GAIN - [10:6] */
+#define WM8994_AIF1DAC1_EQ_B3_GAIN_MASK         0x003E  /* AIF1DAC1_EQ_B3_GAIN - [5:1] */
+#define WM8994_AIF1DAC1_EQ_B3_GAIN_SHIFT             1  /* AIF1DAC1_EQ_B3_GAIN - [5:1] */
+#define WM8994_AIF1DAC1_EQ_B3_GAIN_WIDTH             5  /* AIF1DAC1_EQ_B3_GAIN - [5:1] */
+#define WM8994_AIF1DAC1_EQ_ENA                  0x0001  /* AIF1DAC1_EQ_ENA */
+#define WM8994_AIF1DAC1_EQ_ENA_MASK             0x0001  /* AIF1DAC1_EQ_ENA */
+#define WM8994_AIF1DAC1_EQ_ENA_SHIFT                 0  /* AIF1DAC1_EQ_ENA */
+#define WM8994_AIF1DAC1_EQ_ENA_WIDTH                 1  /* AIF1DAC1_EQ_ENA */
+
+/*
+ * R1153 (0x481) - AIF1 DAC1 EQ Gains (2)
+ */
+#define WM8994_AIF1DAC1_EQ_B4_GAIN_MASK         0xF800  /* AIF1DAC1_EQ_B4_GAIN - [15:11] */
+#define WM8994_AIF1DAC1_EQ_B4_GAIN_SHIFT            11  /* AIF1DAC1_EQ_B4_GAIN - [15:11] */
+#define WM8994_AIF1DAC1_EQ_B4_GAIN_WIDTH             5  /* AIF1DAC1_EQ_B4_GAIN - [15:11] */
+#define WM8994_AIF1DAC1_EQ_B5_GAIN_MASK         0x07C0  /* AIF1DAC1_EQ_B5_GAIN - [10:6] */
+#define WM8994_AIF1DAC1_EQ_B5_GAIN_SHIFT             6  /* AIF1DAC1_EQ_B5_GAIN - [10:6] */
+#define WM8994_AIF1DAC1_EQ_B5_GAIN_WIDTH             5  /* AIF1DAC1_EQ_B5_GAIN - [10:6] */
+
+/*
+ * R1154 (0x482) - AIF1 DAC1 EQ Band 1 A
+ */
+#define WM8994_AIF1DAC1_EQ_B1_A_MASK            0xFFFF  /* AIF1DAC1_EQ_B1_A - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B1_A_SHIFT                0  /* AIF1DAC1_EQ_B1_A - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B1_A_WIDTH               16  /* AIF1DAC1_EQ_B1_A - [15:0] */
+
+/*
+ * R1155 (0x483) - AIF1 DAC1 EQ Band 1 B
+ */
+#define WM8994_AIF1DAC1_EQ_B1_B_MASK            0xFFFF  /* AIF1DAC1_EQ_B1_B - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B1_B_SHIFT                0  /* AIF1DAC1_EQ_B1_B - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B1_B_WIDTH               16  /* AIF1DAC1_EQ_B1_B - [15:0] */
+
+/*
+ * R1156 (0x484) - AIF1 DAC1 EQ Band 1 PG
+ */
+#define WM8994_AIF1DAC1_EQ_B1_PG_MASK           0xFFFF  /* AIF1DAC1_EQ_B1_PG - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B1_PG_SHIFT               0  /* AIF1DAC1_EQ_B1_PG - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B1_PG_WIDTH              16  /* AIF1DAC1_EQ_B1_PG - [15:0] */
+
+/*
+ * R1157 (0x485) - AIF1 DAC1 EQ Band 2 A
+ */
+#define WM8994_AIF1DAC1_EQ_B2_A_MASK            0xFFFF  /* AIF1DAC1_EQ_B2_A - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B2_A_SHIFT                0  /* AIF1DAC1_EQ_B2_A - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B2_A_WIDTH               16  /* AIF1DAC1_EQ_B2_A - [15:0] */
+
+/*
+ * R1158 (0x486) - AIF1 DAC1 EQ Band 2 B
+ */
+#define WM8994_AIF1DAC1_EQ_B2_B_MASK            0xFFFF  /* AIF1DAC1_EQ_B2_B - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B2_B_SHIFT                0  /* AIF1DAC1_EQ_B2_B - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B2_B_WIDTH               16  /* AIF1DAC1_EQ_B2_B - [15:0] */
+
+/*
+ * R1159 (0x487) - AIF1 DAC1 EQ Band 2 C
+ */
+#define WM8994_AIF1DAC1_EQ_B2_C_MASK            0xFFFF  /* AIF1DAC1_EQ_B2_C - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B2_C_SHIFT                0  /* AIF1DAC1_EQ_B2_C - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B2_C_WIDTH               16  /* AIF1DAC1_EQ_B2_C - [15:0] */
+
+/*
+ * R1160 (0x488) - AIF1 DAC1 EQ Band 2 PG
+ */
+#define WM8994_AIF1DAC1_EQ_B2_PG_MASK           0xFFFF  /* AIF1DAC1_EQ_B2_PG - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B2_PG_SHIFT               0  /* AIF1DAC1_EQ_B2_PG - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B2_PG_WIDTH              16  /* AIF1DAC1_EQ_B2_PG - [15:0] */
+
+/*
+ * R1161 (0x489) - AIF1 DAC1 EQ Band 3 A
+ */
+#define WM8994_AIF1DAC1_EQ_B3_A_MASK            0xFFFF  /* AIF1DAC1_EQ_B3_A - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B3_A_SHIFT                0  /* AIF1DAC1_EQ_B3_A - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B3_A_WIDTH               16  /* AIF1DAC1_EQ_B3_A - [15:0] */
+
+/*
+ * R1162 (0x48A) - AIF1 DAC1 EQ Band 3 B
+ */
+#define WM8994_AIF1DAC1_EQ_B3_B_MASK            0xFFFF  /* AIF1DAC1_EQ_B3_B - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B3_B_SHIFT                0  /* AIF1DAC1_EQ_B3_B - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B3_B_WIDTH               16  /* AIF1DAC1_EQ_B3_B - [15:0] */
+
+/*
+ * R1163 (0x48B) - AIF1 DAC1 EQ Band 3 C
+ */
+#define WM8994_AIF1DAC1_EQ_B3_C_MASK            0xFFFF  /* AIF1DAC1_EQ_B3_C - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B3_C_SHIFT                0  /* AIF1DAC1_EQ_B3_C - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B3_C_WIDTH               16  /* AIF1DAC1_EQ_B3_C - [15:0] */
+
+/*
+ * R1164 (0x48C) - AIF1 DAC1 EQ Band 3 PG
+ */
+#define WM8994_AIF1DAC1_EQ_B3_PG_MASK           0xFFFF  /* AIF1DAC1_EQ_B3_PG - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B3_PG_SHIFT               0  /* AIF1DAC1_EQ_B3_PG - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B3_PG_WIDTH              16  /* AIF1DAC1_EQ_B3_PG - [15:0] */
+
+/*
+ * R1165 (0x48D) - AIF1 DAC1 EQ Band 4 A
+ */
+#define WM8994_AIF1DAC1_EQ_B4_A_MASK            0xFFFF  /* AIF1DAC1_EQ_B4_A - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B4_A_SHIFT                0  /* AIF1DAC1_EQ_B4_A - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B4_A_WIDTH               16  /* AIF1DAC1_EQ_B4_A - [15:0] */
+
+/*
+ * R1166 (0x48E) - AIF1 DAC1 EQ Band 4 B
+ */
+#define WM8994_AIF1DAC1_EQ_B4_B_MASK            0xFFFF  /* AIF1DAC1_EQ_B4_B - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B4_B_SHIFT                0  /* AIF1DAC1_EQ_B4_B - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B4_B_WIDTH               16  /* AIF1DAC1_EQ_B4_B - [15:0] */
+
+/*
+ * R1167 (0x48F) - AIF1 DAC1 EQ Band 4 C
+ */
+#define WM8994_AIF1DAC1_EQ_B4_C_MASK            0xFFFF  /* AIF1DAC1_EQ_B4_C - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B4_C_SHIFT                0  /* AIF1DAC1_EQ_B4_C - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B4_C_WIDTH               16  /* AIF1DAC1_EQ_B4_C - [15:0] */
+
+/*
+ * R1168 (0x490) - AIF1 DAC1 EQ Band 4 PG
+ */
+#define WM8994_AIF1DAC1_EQ_B4_PG_MASK           0xFFFF  /* AIF1DAC1_EQ_B4_PG - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B4_PG_SHIFT               0  /* AIF1DAC1_EQ_B4_PG - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B4_PG_WIDTH              16  /* AIF1DAC1_EQ_B4_PG - [15:0] */
+
+/*
+ * R1169 (0x491) - AIF1 DAC1 EQ Band 5 A
+ */
+#define WM8994_AIF1DAC1_EQ_B5_A_MASK            0xFFFF  /* AIF1DAC1_EQ_B5_A - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B5_A_SHIFT                0  /* AIF1DAC1_EQ_B5_A - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B5_A_WIDTH               16  /* AIF1DAC1_EQ_B5_A - [15:0] */
+
+/*
+ * R1170 (0x492) - AIF1 DAC1 EQ Band 5 B
+ */
+#define WM8994_AIF1DAC1_EQ_B5_B_MASK            0xFFFF  /* AIF1DAC1_EQ_B5_B - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B5_B_SHIFT                0  /* AIF1DAC1_EQ_B5_B - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B5_B_WIDTH               16  /* AIF1DAC1_EQ_B5_B - [15:0] */
+
+/*
+ * R1171 (0x493) - AIF1 DAC1 EQ Band 5 PG
+ */
+#define WM8994_AIF1DAC1_EQ_B5_PG_MASK           0xFFFF  /* AIF1DAC1_EQ_B5_PG - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B5_PG_SHIFT               0  /* AIF1DAC1_EQ_B5_PG - [15:0] */
+#define WM8994_AIF1DAC1_EQ_B5_PG_WIDTH              16  /* AIF1DAC1_EQ_B5_PG - [15:0] */
+
+/*
+ * R1184 (0x4A0) - AIF1 DAC2 EQ Gains (1)
+ */
+#define WM8994_AIF1DAC2_EQ_B1_GAIN_MASK         0xF800  /* AIF1DAC2_EQ_B1_GAIN - [15:11] */
+#define WM8994_AIF1DAC2_EQ_B1_GAIN_SHIFT            11  /* AIF1DAC2_EQ_B1_GAIN - [15:11] */
+#define WM8994_AIF1DAC2_EQ_B1_GAIN_WIDTH             5  /* AIF1DAC2_EQ_B1_GAIN - [15:11] */
+#define WM8994_AIF1DAC2_EQ_B2_GAIN_MASK         0x07C0  /* AIF1DAC2_EQ_B2_GAIN - [10:6] */
+#define WM8994_AIF1DAC2_EQ_B2_GAIN_SHIFT             6  /* AIF1DAC2_EQ_B2_GAIN - [10:6] */
+#define WM8994_AIF1DAC2_EQ_B2_GAIN_WIDTH             5  /* AIF1DAC2_EQ_B2_GAIN - [10:6] */
+#define WM8994_AIF1DAC2_EQ_B3_GAIN_MASK         0x003E  /* AIF1DAC2_EQ_B3_GAIN - [5:1] */
+#define WM8994_AIF1DAC2_EQ_B3_GAIN_SHIFT             1  /* AIF1DAC2_EQ_B3_GAIN - [5:1] */
+#define WM8994_AIF1DAC2_EQ_B3_GAIN_WIDTH             5  /* AIF1DAC2_EQ_B3_GAIN - [5:1] */
+#define WM8994_AIF1DAC2_EQ_ENA                  0x0001  /* AIF1DAC2_EQ_ENA */
+#define WM8994_AIF1DAC2_EQ_ENA_MASK             0x0001  /* AIF1DAC2_EQ_ENA */
+#define WM8994_AIF1DAC2_EQ_ENA_SHIFT                 0  /* AIF1DAC2_EQ_ENA */
+#define WM8994_AIF1DAC2_EQ_ENA_WIDTH                 1  /* AIF1DAC2_EQ_ENA */
+
+/*
+ * R1185 (0x4A1) - AIF1 DAC2 EQ Gains (2)
+ */
+#define WM8994_AIF1DAC2_EQ_B4_GAIN_MASK         0xF800  /* AIF1DAC2_EQ_B4_GAIN - [15:11] */
+#define WM8994_AIF1DAC2_EQ_B4_GAIN_SHIFT            11  /* AIF1DAC2_EQ_B4_GAIN - [15:11] */
+#define WM8994_AIF1DAC2_EQ_B4_GAIN_WIDTH             5  /* AIF1DAC2_EQ_B4_GAIN - [15:11] */
+#define WM8994_AIF1DAC2_EQ_B5_GAIN_MASK         0x07C0  /* AIF1DAC2_EQ_B5_GAIN - [10:6] */
+#define WM8994_AIF1DAC2_EQ_B5_GAIN_SHIFT             6  /* AIF1DAC2_EQ_B5_GAIN - [10:6] */
+#define WM8994_AIF1DAC2_EQ_B5_GAIN_WIDTH             5  /* AIF1DAC2_EQ_B5_GAIN - [10:6] */
+
+/*
+ * R1186 (0x4A2) - AIF1 DAC2 EQ Band 1 A
+ */
+#define WM8994_AIF1DAC2_EQ_B1_A_MASK            0xFFFF  /* AIF1DAC2_EQ_B1_A - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B1_A_SHIFT                0  /* AIF1DAC2_EQ_B1_A - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B1_A_WIDTH               16  /* AIF1DAC2_EQ_B1_A - [15:0] */
+
+/*
+ * R1187 (0x4A3) - AIF1 DAC2 EQ Band 1 B
+ */
+#define WM8994_AIF1DAC2_EQ_B1_B_MASK            0xFFFF  /* AIF1DAC2_EQ_B1_B - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B1_B_SHIFT                0  /* AIF1DAC2_EQ_B1_B - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B1_B_WIDTH               16  /* AIF1DAC2_EQ_B1_B - [15:0] */
+
+/*
+ * R1188 (0x4A4) - AIF1 DAC2 EQ Band 1 PG
+ */
+#define WM8994_AIF1DAC2_EQ_B1_PG_MASK           0xFFFF  /* AIF1DAC2_EQ_B1_PG - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B1_PG_SHIFT               0  /* AIF1DAC2_EQ_B1_PG - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B1_PG_WIDTH              16  /* AIF1DAC2_EQ_B1_PG - [15:0] */
+
+/*
+ * R1189 (0x4A5) - AIF1 DAC2 EQ Band 2 A
+ */
+#define WM8994_AIF1DAC2_EQ_B2_A_MASK            0xFFFF  /* AIF1DAC2_EQ_B2_A - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B2_A_SHIFT                0  /* AIF1DAC2_EQ_B2_A - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B2_A_WIDTH               16  /* AIF1DAC2_EQ_B2_A - [15:0] */
+
+/*
+ * R1190 (0x4A6) - AIF1 DAC2 EQ Band 2 B
+ */
+#define WM8994_AIF1DAC2_EQ_B2_B_MASK            0xFFFF  /* AIF1DAC2_EQ_B2_B - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B2_B_SHIFT                0  /* AIF1DAC2_EQ_B2_B - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B2_B_WIDTH               16  /* AIF1DAC2_EQ_B2_B - [15:0] */
+
+/*
+ * R1191 (0x4A7) - AIF1 DAC2 EQ Band 2 C
+ */
+#define WM8994_AIF1DAC2_EQ_B2_C_MASK            0xFFFF  /* AIF1DAC2_EQ_B2_C - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B2_C_SHIFT                0  /* AIF1DAC2_EQ_B2_C - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B2_C_WIDTH               16  /* AIF1DAC2_EQ_B2_C - [15:0] */
+
+/*
+ * R1192 (0x4A8) - AIF1 DAC2 EQ Band 2 PG
+ */
+#define WM8994_AIF1DAC2_EQ_B2_PG_MASK           0xFFFF  /* AIF1DAC2_EQ_B2_PG - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B2_PG_SHIFT               0  /* AIF1DAC2_EQ_B2_PG - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B2_PG_WIDTH              16  /* AIF1DAC2_EQ_B2_PG - [15:0] */
+
+/*
+ * R1193 (0x4A9) - AIF1 DAC2 EQ Band 3 A
+ */
+#define WM8994_AIF1DAC2_EQ_B3_A_MASK            0xFFFF  /* AIF1DAC2_EQ_B3_A - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B3_A_SHIFT                0  /* AIF1DAC2_EQ_B3_A - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B3_A_WIDTH               16  /* AIF1DAC2_EQ_B3_A - [15:0] */
+
+/*
+ * R1194 (0x4AA) - AIF1 DAC2 EQ Band 3 B
+ */
+#define WM8994_AIF1DAC2_EQ_B3_B_MASK            0xFFFF  /* AIF1DAC2_EQ_B3_B - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B3_B_SHIFT                0  /* AIF1DAC2_EQ_B3_B - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B3_B_WIDTH               16  /* AIF1DAC2_EQ_B3_B - [15:0] */
+
+/*
+ * R1195 (0x4AB) - AIF1 DAC2 EQ Band 3 C
+ */
+#define WM8994_AIF1DAC2_EQ_B3_C_MASK            0xFFFF  /* AIF1DAC2_EQ_B3_C - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B3_C_SHIFT                0  /* AIF1DAC2_EQ_B3_C - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B3_C_WIDTH               16  /* AIF1DAC2_EQ_B3_C - [15:0] */
+
+/*
+ * R1196 (0x4AC) - AIF1 DAC2 EQ Band 3 PG
+ */
+#define WM8994_AIF1DAC2_EQ_B3_PG_MASK           0xFFFF  /* AIF1DAC2_EQ_B3_PG - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B3_PG_SHIFT               0  /* AIF1DAC2_EQ_B3_PG - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B3_PG_WIDTH              16  /* AIF1DAC2_EQ_B3_PG - [15:0] */
+
+/*
+ * R1197 (0x4AD) - AIF1 DAC2 EQ Band 4 A
+ */
+#define WM8994_AIF1DAC2_EQ_B4_A_MASK            0xFFFF  /* AIF1DAC2_EQ_B4_A - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B4_A_SHIFT                0  /* AIF1DAC2_EQ_B4_A - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B4_A_WIDTH               16  /* AIF1DAC2_EQ_B4_A - [15:0] */
+
+/*
+ * R1198 (0x4AE) - AIF1 DAC2 EQ Band 4 B
+ */
+#define WM8994_AIF1DAC2_EQ_B4_B_MASK            0xFFFF  /* AIF1DAC2_EQ_B4_B - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B4_B_SHIFT                0  /* AIF1DAC2_EQ_B4_B - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B4_B_WIDTH               16  /* AIF1DAC2_EQ_B4_B - [15:0] */
+
+/*
+ * R1199 (0x4AF) - AIF1 DAC2 EQ Band 4 C
+ */
+#define WM8994_AIF1DAC2_EQ_B4_C_MASK            0xFFFF  /* AIF1DAC2_EQ_B4_C - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B4_C_SHIFT                0  /* AIF1DAC2_EQ_B4_C - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B4_C_WIDTH               16  /* AIF1DAC2_EQ_B4_C - [15:0] */
+
+/*
+ * R1200 (0x4B0) - AIF1 DAC2 EQ Band 4 PG
+ */
+#define WM8994_AIF1DAC2_EQ_B4_PG_MASK           0xFFFF  /* AIF1DAC2_EQ_B4_PG - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B4_PG_SHIFT               0  /* AIF1DAC2_EQ_B4_PG - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B4_PG_WIDTH              16  /* AIF1DAC2_EQ_B4_PG - [15:0] */
+
+/*
+ * R1201 (0x4B1) - AIF1 DAC2 EQ Band 5 A
+ */
+#define WM8994_AIF1DAC2_EQ_B5_A_MASK            0xFFFF  /* AIF1DAC2_EQ_B5_A - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B5_A_SHIFT                0  /* AIF1DAC2_EQ_B5_A - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B5_A_WIDTH               16  /* AIF1DAC2_EQ_B5_A - [15:0] */
+
+/*
+ * R1202 (0x4B2) - AIF1 DAC2 EQ Band 5 B
+ */
+#define WM8994_AIF1DAC2_EQ_B5_B_MASK            0xFFFF  /* AIF1DAC2_EQ_B5_B - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B5_B_SHIFT                0  /* AIF1DAC2_EQ_B5_B - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B5_B_WIDTH               16  /* AIF1DAC2_EQ_B5_B - [15:0] */
+
+/*
+ * R1203 (0x4B3) - AIF1 DAC2 EQ Band 5 PG
+ */
+#define WM8994_AIF1DAC2_EQ_B5_PG_MASK           0xFFFF  /* AIF1DAC2_EQ_B5_PG - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B5_PG_SHIFT               0  /* AIF1DAC2_EQ_B5_PG - [15:0] */
+#define WM8994_AIF1DAC2_EQ_B5_PG_WIDTH              16  /* AIF1DAC2_EQ_B5_PG - [15:0] */
+
+/*
+ * R1280 (0x500) - AIF2 ADC Left Volume
+ */
+#define WM8994_AIF2ADC_VU                       0x0100  /* AIF2ADC_VU */
+#define WM8994_AIF2ADC_VU_MASK                  0x0100  /* AIF2ADC_VU */
+#define WM8994_AIF2ADC_VU_SHIFT                      8  /* AIF2ADC_VU */
+#define WM8994_AIF2ADC_VU_WIDTH                      1  /* AIF2ADC_VU */
+#define WM8994_AIF2ADCL_VOL_MASK                0x00FF  /* AIF2ADCL_VOL - [7:0] */
+#define WM8994_AIF2ADCL_VOL_SHIFT                    0  /* AIF2ADCL_VOL - [7:0] */
+#define WM8994_AIF2ADCL_VOL_WIDTH                    8  /* AIF2ADCL_VOL - [7:0] */
+
+/*
+ * R1281 (0x501) - AIF2 ADC Right Volume
+ */
+#define WM8994_AIF2ADC_VU                       0x0100  /* AIF2ADC_VU */
+#define WM8994_AIF2ADC_VU_MASK                  0x0100  /* AIF2ADC_VU */
+#define WM8994_AIF2ADC_VU_SHIFT                      8  /* AIF2ADC_VU */
+#define WM8994_AIF2ADC_VU_WIDTH                      1  /* AIF2ADC_VU */
+#define WM8994_AIF2ADCR_VOL_MASK                0x00FF  /* AIF2ADCR_VOL - [7:0] */
+#define WM8994_AIF2ADCR_VOL_SHIFT                    0  /* AIF2ADCR_VOL - [7:0] */
+#define WM8994_AIF2ADCR_VOL_WIDTH                    8  /* AIF2ADCR_VOL - [7:0] */
+
+/*
+ * R1282 (0x502) - AIF2 DAC Left Volume
+ */
+#define WM8994_AIF2DAC_VU                       0x0100  /* AIF2DAC_VU */
+#define WM8994_AIF2DAC_VU_MASK                  0x0100  /* AIF2DAC_VU */
+#define WM8994_AIF2DAC_VU_SHIFT                      8  /* AIF2DAC_VU */
+#define WM8994_AIF2DAC_VU_WIDTH                      1  /* AIF2DAC_VU */
+#define WM8994_AIF2DACL_VOL_MASK                0x00FF  /* AIF2DACL_VOL - [7:0] */
+#define WM8994_AIF2DACL_VOL_SHIFT                    0  /* AIF2DACL_VOL - [7:0] */
+#define WM8994_AIF2DACL_VOL_WIDTH                    8  /* AIF2DACL_VOL - [7:0] */
+
+/*
+ * R1283 (0x503) - AIF2 DAC Right Volume
+ */
+#define WM8994_AIF2DAC_VU                       0x0100  /* AIF2DAC_VU */
+#define WM8994_AIF2DAC_VU_MASK                  0x0100  /* AIF2DAC_VU */
+#define WM8994_AIF2DAC_VU_SHIFT                      8  /* AIF2DAC_VU */
+#define WM8994_AIF2DAC_VU_WIDTH                      1  /* AIF2DAC_VU */
+#define WM8994_AIF2DACR_VOL_MASK                0x00FF  /* AIF2DACR_VOL - [7:0] */
+#define WM8994_AIF2DACR_VOL_SHIFT                    0  /* AIF2DACR_VOL - [7:0] */
+#define WM8994_AIF2DACR_VOL_WIDTH                    8  /* AIF2DACR_VOL - [7:0] */
+
+/*
+ * R1296 (0x510) - AIF2 ADC Filters
+ */
+#define WM8994_AIF2ADC_4FS                      0x8000  /* AIF2ADC_4FS */
+#define WM8994_AIF2ADC_4FS_MASK                 0x8000  /* AIF2ADC_4FS */
+#define WM8994_AIF2ADC_4FS_SHIFT                    15  /* AIF2ADC_4FS */
+#define WM8994_AIF2ADC_4FS_WIDTH                     1  /* AIF2ADC_4FS */
+#define WM8994_AIF2ADC_HPF_CUT_MASK             0x6000  /* AIF2ADC_HPF_CUT - [14:13] */
+#define WM8994_AIF2ADC_HPF_CUT_SHIFT                13  /* AIF2ADC_HPF_CUT - [14:13] */
+#define WM8994_AIF2ADC_HPF_CUT_WIDTH                 2  /* AIF2ADC_HPF_CUT - [14:13] */
+#define WM8994_AIF2ADCL_HPF                     0x1000  /* AIF2ADCL_HPF */
+#define WM8994_AIF2ADCL_HPF_MASK                0x1000  /* AIF2ADCL_HPF */
+#define WM8994_AIF2ADCL_HPF_SHIFT                   12  /* AIF2ADCL_HPF */
+#define WM8994_AIF2ADCL_HPF_WIDTH                    1  /* AIF2ADCL_HPF */
+#define WM8994_AIF2ADCR_HPF                     0x0800  /* AIF2ADCR_HPF */
+#define WM8994_AIF2ADCR_HPF_MASK                0x0800  /* AIF2ADCR_HPF */
+#define WM8994_AIF2ADCR_HPF_SHIFT                   11  /* AIF2ADCR_HPF */
+#define WM8994_AIF2ADCR_HPF_WIDTH                    1  /* AIF2ADCR_HPF */
+
+/*
+ * R1312 (0x520) - AIF2 DAC Filters (1)
+ */
+#define WM8994_AIF2DAC_MUTE                     0x0200  /* AIF2DAC_MUTE */
+#define WM8994_AIF2DAC_MUTE_MASK                0x0200  /* AIF2DAC_MUTE */
+#define WM8994_AIF2DAC_MUTE_SHIFT                    9  /* AIF2DAC_MUTE */
+#define WM8994_AIF2DAC_MUTE_WIDTH                    1  /* AIF2DAC_MUTE */
+#define WM8994_AIF2DAC_MONO                     0x0080  /* AIF2DAC_MONO */
+#define WM8994_AIF2DAC_MONO_MASK                0x0080  /* AIF2DAC_MONO */
+#define WM8994_AIF2DAC_MONO_SHIFT                    7  /* AIF2DAC_MONO */
+#define WM8994_AIF2DAC_MONO_WIDTH                    1  /* AIF2DAC_MONO */
+#define WM8994_AIF2DAC_MUTERATE                 0x0020  /* AIF2DAC_MUTERATE */
+#define WM8994_AIF2DAC_MUTERATE_MASK            0x0020  /* AIF2DAC_MUTERATE */
+#define WM8994_AIF2DAC_MUTERATE_SHIFT                5  /* AIF2DAC_MUTERATE */
+#define WM8994_AIF2DAC_MUTERATE_WIDTH                1  /* AIF2DAC_MUTERATE */
+#define WM8994_AIF2DAC_UNMUTE_RAMP              0x0010  /* AIF2DAC_UNMUTE_RAMP */
+#define WM8994_AIF2DAC_UNMUTE_RAMP_MASK         0x0010  /* AIF2DAC_UNMUTE_RAMP */
+#define WM8994_AIF2DAC_UNMUTE_RAMP_SHIFT             4  /* AIF2DAC_UNMUTE_RAMP */
+#define WM8994_AIF2DAC_UNMUTE_RAMP_WIDTH             1  /* AIF2DAC_UNMUTE_RAMP */
+#define WM8994_AIF2DAC_DEEMP_MASK               0x0006  /* AIF2DAC_DEEMP - [2:1] */
+#define WM8994_AIF2DAC_DEEMP_SHIFT                   1  /* AIF2DAC_DEEMP - [2:1] */
+#define WM8994_AIF2DAC_DEEMP_WIDTH                   2  /* AIF2DAC_DEEMP - [2:1] */
+
+/*
+ * R1313 (0x521) - AIF2 DAC Filters (2)
+ */
+#define WM8994_AIF2DAC_3D_GAIN_MASK             0x3E00  /* AIF2DAC_3D_GAIN - [13:9] */
+#define WM8994_AIF2DAC_3D_GAIN_SHIFT                 9  /* AIF2DAC_3D_GAIN - [13:9] */
+#define WM8994_AIF2DAC_3D_GAIN_WIDTH                 5  /* AIF2DAC_3D_GAIN - [13:9] */
+#define WM8994_AIF2DAC_3D_ENA                   0x0100  /* AIF2DAC_3D_ENA */
+#define WM8994_AIF2DAC_3D_ENA_MASK              0x0100  /* AIF2DAC_3D_ENA */
+#define WM8994_AIF2DAC_3D_ENA_SHIFT                  8  /* AIF2DAC_3D_ENA */
+#define WM8994_AIF2DAC_3D_ENA_WIDTH                  1  /* AIF2DAC_3D_ENA */
+
+/*
+ * R1344 (0x540) - AIF2 DRC (1)
+ */
+#define WM8994_AIF2DRC_SIG_DET_RMS_MASK         0xF800  /* AIF2DRC_SIG_DET_RMS - [15:11] */
+#define WM8994_AIF2DRC_SIG_DET_RMS_SHIFT            11  /* AIF2DRC_SIG_DET_RMS - [15:11] */
+#define WM8994_AIF2DRC_SIG_DET_RMS_WIDTH             5  /* AIF2DRC_SIG_DET_RMS - [15:11] */
+#define WM8994_AIF2DRC_SIG_DET_PK_MASK          0x0600  /* AIF2DRC_SIG_DET_PK - [10:9] */
+#define WM8994_AIF2DRC_SIG_DET_PK_SHIFT              9  /* AIF2DRC_SIG_DET_PK - [10:9] */
+#define WM8994_AIF2DRC_SIG_DET_PK_WIDTH              2  /* AIF2DRC_SIG_DET_PK - [10:9] */
+#define WM8994_AIF2DRC_NG_ENA                   0x0100  /* AIF2DRC_NG_ENA */
+#define WM8994_AIF2DRC_NG_ENA_MASK              0x0100  /* AIF2DRC_NG_ENA */
+#define WM8994_AIF2DRC_NG_ENA_SHIFT                  8  /* AIF2DRC_NG_ENA */
+#define WM8994_AIF2DRC_NG_ENA_WIDTH                  1  /* AIF2DRC_NG_ENA */
+#define WM8994_AIF2DRC_SIG_DET_MODE             0x0080  /* AIF2DRC_SIG_DET_MODE */
+#define WM8994_AIF2DRC_SIG_DET_MODE_MASK        0x0080  /* AIF2DRC_SIG_DET_MODE */
+#define WM8994_AIF2DRC_SIG_DET_MODE_SHIFT            7  /* AIF2DRC_SIG_DET_MODE */
+#define WM8994_AIF2DRC_SIG_DET_MODE_WIDTH            1  /* AIF2DRC_SIG_DET_MODE */
+#define WM8994_AIF2DRC_SIG_DET                  0x0040  /* AIF2DRC_SIG_DET */
+#define WM8994_AIF2DRC_SIG_DET_MASK             0x0040  /* AIF2DRC_SIG_DET */
+#define WM8994_AIF2DRC_SIG_DET_SHIFT                 6  /* AIF2DRC_SIG_DET */
+#define WM8994_AIF2DRC_SIG_DET_WIDTH                 1  /* AIF2DRC_SIG_DET */
+#define WM8994_AIF2DRC_KNEE2_OP_ENA             0x0020  /* AIF2DRC_KNEE2_OP_ENA */
+#define WM8994_AIF2DRC_KNEE2_OP_ENA_MASK        0x0020  /* AIF2DRC_KNEE2_OP_ENA */
+#define WM8994_AIF2DRC_KNEE2_OP_ENA_SHIFT            5  /* AIF2DRC_KNEE2_OP_ENA */
+#define WM8994_AIF2DRC_KNEE2_OP_ENA_WIDTH            1  /* AIF2DRC_KNEE2_OP_ENA */
+#define WM8994_AIF2DRC_QR                       0x0010  /* AIF2DRC_QR */
+#define WM8994_AIF2DRC_QR_MASK                  0x0010  /* AIF2DRC_QR */
+#define WM8994_AIF2DRC_QR_SHIFT                      4  /* AIF2DRC_QR */
+#define WM8994_AIF2DRC_QR_WIDTH                      1  /* AIF2DRC_QR */
+#define WM8994_AIF2DRC_ANTICLIP                 0x0008  /* AIF2DRC_ANTICLIP */
+#define WM8994_AIF2DRC_ANTICLIP_MASK            0x0008  /* AIF2DRC_ANTICLIP */
+#define WM8994_AIF2DRC_ANTICLIP_SHIFT                3  /* AIF2DRC_ANTICLIP */
+#define WM8994_AIF2DRC_ANTICLIP_WIDTH                1  /* AIF2DRC_ANTICLIP */
+#define WM8994_AIF2DAC_DRC_ENA                  0x0004  /* AIF2DAC_DRC_ENA */
+#define WM8994_AIF2DAC_DRC_ENA_MASK             0x0004  /* AIF2DAC_DRC_ENA */
+#define WM8994_AIF2DAC_DRC_ENA_SHIFT                 2  /* AIF2DAC_DRC_ENA */
+#define WM8994_AIF2DAC_DRC_ENA_WIDTH                 1  /* AIF2DAC_DRC_ENA */
+#define WM8994_AIF2ADCL_DRC_ENA                 0x0002  /* AIF2ADCL_DRC_ENA */
+#define WM8994_AIF2ADCL_DRC_ENA_MASK            0x0002  /* AIF2ADCL_DRC_ENA */
+#define WM8994_AIF2ADCL_DRC_ENA_SHIFT                1  /* AIF2ADCL_DRC_ENA */
+#define WM8994_AIF2ADCL_DRC_ENA_WIDTH                1  /* AIF2ADCL_DRC_ENA */
+#define WM8994_AIF2ADCR_DRC_ENA                 0x0001  /* AIF2ADCR_DRC_ENA */
+#define WM8994_AIF2ADCR_DRC_ENA_MASK            0x0001  /* AIF2ADCR_DRC_ENA */
+#define WM8994_AIF2ADCR_DRC_ENA_SHIFT                0  /* AIF2ADCR_DRC_ENA */
+#define WM8994_AIF2ADCR_DRC_ENA_WIDTH                1  /* AIF2ADCR_DRC_ENA */
+
+/*
+ * R1345 (0x541) - AIF2 DRC (2)
+ */
+#define WM8994_AIF2DRC_ATK_MASK                 0x1E00  /* AIF2DRC_ATK - [12:9] */
+#define WM8994_AIF2DRC_ATK_SHIFT                     9  /* AIF2DRC_ATK - [12:9] */
+#define WM8994_AIF2DRC_ATK_WIDTH                     4  /* AIF2DRC_ATK - [12:9] */
+#define WM8994_AIF2DRC_DCY_MASK                 0x01E0  /* AIF2DRC_DCY - [8:5] */
+#define WM8994_AIF2DRC_DCY_SHIFT                     5  /* AIF2DRC_DCY - [8:5] */
+#define WM8994_AIF2DRC_DCY_WIDTH                     4  /* AIF2DRC_DCY - [8:5] */
+#define WM8994_AIF2DRC_MINGAIN_MASK             0x001C  /* AIF2DRC_MINGAIN - [4:2] */
+#define WM8994_AIF2DRC_MINGAIN_SHIFT                 2  /* AIF2DRC_MINGAIN - [4:2] */
+#define WM8994_AIF2DRC_MINGAIN_WIDTH                 3  /* AIF2DRC_MINGAIN - [4:2] */
+#define WM8994_AIF2DRC_MAXGAIN_MASK             0x0003  /* AIF2DRC_MAXGAIN - [1:0] */
+#define WM8994_AIF2DRC_MAXGAIN_SHIFT                 0  /* AIF2DRC_MAXGAIN - [1:0] */
+#define WM8994_AIF2DRC_MAXGAIN_WIDTH                 2  /* AIF2DRC_MAXGAIN - [1:0] */
+
+/*
+ * R1346 (0x542) - AIF2 DRC (3)
+ */
+#define WM8994_AIF2DRC_NG_MINGAIN_MASK          0xF000  /* AIF2DRC_NG_MINGAIN - [15:12] */
+#define WM8994_AIF2DRC_NG_MINGAIN_SHIFT             12  /* AIF2DRC_NG_MINGAIN - [15:12] */
+#define WM8994_AIF2DRC_NG_MINGAIN_WIDTH              4  /* AIF2DRC_NG_MINGAIN - [15:12] */
+#define WM8994_AIF2DRC_NG_EXP_MASK              0x0C00  /* AIF2DRC_NG_EXP - [11:10] */
+#define WM8994_AIF2DRC_NG_EXP_SHIFT                 10  /* AIF2DRC_NG_EXP - [11:10] */
+#define WM8994_AIF2DRC_NG_EXP_WIDTH                  2  /* AIF2DRC_NG_EXP - [11:10] */
+#define WM8994_AIF2DRC_QR_THR_MASK              0x0300  /* AIF2DRC_QR_THR - [9:8] */
+#define WM8994_AIF2DRC_QR_THR_SHIFT                  8  /* AIF2DRC_QR_THR - [9:8] */
+#define WM8994_AIF2DRC_QR_THR_WIDTH                  2  /* AIF2DRC_QR_THR - [9:8] */
+#define WM8994_AIF2DRC_QR_DCY_MASK              0x00C0  /* AIF2DRC_QR_DCY - [7:6] */
+#define WM8994_AIF2DRC_QR_DCY_SHIFT                  6  /* AIF2DRC_QR_DCY - [7:6] */
+#define WM8994_AIF2DRC_QR_DCY_WIDTH                  2  /* AIF2DRC_QR_DCY - [7:6] */
+#define WM8994_AIF2DRC_HI_COMP_MASK             0x0038  /* AIF2DRC_HI_COMP - [5:3] */
+#define WM8994_AIF2DRC_HI_COMP_SHIFT                 3  /* AIF2DRC_HI_COMP - [5:3] */
+#define WM8994_AIF2DRC_HI_COMP_WIDTH                 3  /* AIF2DRC_HI_COMP - [5:3] */
+#define WM8994_AIF2DRC_LO_COMP_MASK             0x0007  /* AIF2DRC_LO_COMP - [2:0] */
+#define WM8994_AIF2DRC_LO_COMP_SHIFT                 0  /* AIF2DRC_LO_COMP - [2:0] */
+#define WM8994_AIF2DRC_LO_COMP_WIDTH                 3  /* AIF2DRC_LO_COMP - [2:0] */
+
+/*
+ * R1347 (0x543) - AIF2 DRC (4)
+ */
+#define WM8994_AIF2DRC_KNEE_IP_MASK             0x07E0  /* AIF2DRC_KNEE_IP - [10:5] */
+#define WM8994_AIF2DRC_KNEE_IP_SHIFT                 5  /* AIF2DRC_KNEE_IP - [10:5] */
+#define WM8994_AIF2DRC_KNEE_IP_WIDTH                 6  /* AIF2DRC_KNEE_IP - [10:5] */
+#define WM8994_AIF2DRC_KNEE_OP_MASK             0x001F  /* AIF2DRC_KNEE_OP - [4:0] */
+#define WM8994_AIF2DRC_KNEE_OP_SHIFT                 0  /* AIF2DRC_KNEE_OP - [4:0] */
+#define WM8994_AIF2DRC_KNEE_OP_WIDTH                 5  /* AIF2DRC_KNEE_OP - [4:0] */
+
+/*
+ * R1348 (0x544) - AIF2 DRC (5)
+ */
+#define WM8994_AIF2DRC_KNEE2_IP_MASK            0x03E0  /* AIF2DRC_KNEE2_IP - [9:5] */
+#define WM8994_AIF2DRC_KNEE2_IP_SHIFT                5  /* AIF2DRC_KNEE2_IP - [9:5] */
+#define WM8994_AIF2DRC_KNEE2_IP_WIDTH                5  /* AIF2DRC_KNEE2_IP - [9:5] */
+#define WM8994_AIF2DRC_KNEE2_OP_MASK            0x001F  /* AIF2DRC_KNEE2_OP - [4:0] */
+#define WM8994_AIF2DRC_KNEE2_OP_SHIFT                0  /* AIF2DRC_KNEE2_OP - [4:0] */
+#define WM8994_AIF2DRC_KNEE2_OP_WIDTH                5  /* AIF2DRC_KNEE2_OP - [4:0] */
+
+/*
+ * R1408 (0x580) - AIF2 EQ Gains (1)
+ */
+#define WM8994_AIF2DAC_EQ_B1_GAIN_MASK          0xF800  /* AIF2DAC_EQ_B1_GAIN - [15:11] */
+#define WM8994_AIF2DAC_EQ_B1_GAIN_SHIFT             11  /* AIF2DAC_EQ_B1_GAIN - [15:11] */
+#define WM8994_AIF2DAC_EQ_B1_GAIN_WIDTH              5  /* AIF2DAC_EQ_B1_GAIN - [15:11] */
+#define WM8994_AIF2DAC_EQ_B2_GAIN_MASK          0x07C0  /* AIF2DAC_EQ_B2_GAIN - [10:6] */
+#define WM8994_AIF2DAC_EQ_B2_GAIN_SHIFT              6  /* AIF2DAC_EQ_B2_GAIN - [10:6] */
+#define WM8994_AIF2DAC_EQ_B2_GAIN_WIDTH              5  /* AIF2DAC_EQ_B2_GAIN - [10:6] */
+#define WM8994_AIF2DAC_EQ_B3_GAIN_MASK          0x003E  /* AIF2DAC_EQ_B3_GAIN - [5:1] */
+#define WM8994_AIF2DAC_EQ_B3_GAIN_SHIFT              1  /* AIF2DAC_EQ_B3_GAIN - [5:1] */
+#define WM8994_AIF2DAC_EQ_B3_GAIN_WIDTH              5  /* AIF2DAC_EQ_B3_GAIN - [5:1] */
+#define WM8994_AIF2DAC_EQ_ENA                   0x0001  /* AIF2DAC_EQ_ENA */
+#define WM8994_AIF2DAC_EQ_ENA_MASK              0x0001  /* AIF2DAC_EQ_ENA */
+#define WM8994_AIF2DAC_EQ_ENA_SHIFT                  0  /* AIF2DAC_EQ_ENA */
+#define WM8994_AIF2DAC_EQ_ENA_WIDTH                  1  /* AIF2DAC_EQ_ENA */
+
+/*
+ * R1409 (0x581) - AIF2 EQ Gains (2)
+ */
+#define WM8994_AIF2DAC_EQ_B4_GAIN_MASK          0xF800  /* AIF2DAC_EQ_B4_GAIN - [15:11] */
+#define WM8994_AIF2DAC_EQ_B4_GAIN_SHIFT             11  /* AIF2DAC_EQ_B4_GAIN - [15:11] */
+#define WM8994_AIF2DAC_EQ_B4_GAIN_WIDTH              5  /* AIF2DAC_EQ_B4_GAIN - [15:11] */
+#define WM8994_AIF2DAC_EQ_B5_GAIN_MASK          0x07C0  /* AIF2DAC_EQ_B5_GAIN - [10:6] */
+#define WM8994_AIF2DAC_EQ_B5_GAIN_SHIFT              6  /* AIF2DAC_EQ_B5_GAIN - [10:6] */
+#define WM8994_AIF2DAC_EQ_B5_GAIN_WIDTH              5  /* AIF2DAC_EQ_B5_GAIN - [10:6] */
+
+/*
+ * R1410 (0x582) - AIF2 EQ Band 1 A
+ */
+#define WM8994_AIF2DAC_EQ_B1_A_MASK             0xFFFF  /* AIF2DAC_EQ_B1_A - [15:0] */
+#define WM8994_AIF2DAC_EQ_B1_A_SHIFT                 0  /* AIF2DAC_EQ_B1_A - [15:0] */
+#define WM8994_AIF2DAC_EQ_B1_A_WIDTH                16  /* AIF2DAC_EQ_B1_A - [15:0] */
+
+/*
+ * R1411 (0x583) - AIF2 EQ Band 1 B
+ */
+#define WM8994_AIF2DAC_EQ_B1_B_MASK             0xFFFF  /* AIF2DAC_EQ_B1_B - [15:0] */
+#define WM8994_AIF2DAC_EQ_B1_B_SHIFT                 0  /* AIF2DAC_EQ_B1_B - [15:0] */
+#define WM8994_AIF2DAC_EQ_B1_B_WIDTH                16  /* AIF2DAC_EQ_B1_B - [15:0] */
+
+/*
+ * R1412 (0x584) - AIF2 EQ Band 1 PG
+ */
+#define WM8994_AIF2DAC_EQ_B1_PG_MASK            0xFFFF  /* AIF2DAC_EQ_B1_PG - [15:0] */
+#define WM8994_AIF2DAC_EQ_B1_PG_SHIFT                0  /* AIF2DAC_EQ_B1_PG - [15:0] */
+#define WM8994_AIF2DAC_EQ_B1_PG_WIDTH               16  /* AIF2DAC_EQ_B1_PG - [15:0] */
+
+/*
+ * R1413 (0x585) - AIF2 EQ Band 2 A
+ */
+#define WM8994_AIF2DAC_EQ_B2_A_MASK             0xFFFF  /* AIF2DAC_EQ_B2_A - [15:0] */
+#define WM8994_AIF2DAC_EQ_B2_A_SHIFT                 0  /* AIF2DAC_EQ_B2_A - [15:0] */
+#define WM8994_AIF2DAC_EQ_B2_A_WIDTH                16  /* AIF2DAC_EQ_B2_A - [15:0] */
+
+/*
+ * R1414 (0x586) - AIF2 EQ Band 2 B
+ */
+#define WM8994_AIF2DAC_EQ_B2_B_MASK             0xFFFF  /* AIF2DAC_EQ_B2_B - [15:0] */
+#define WM8994_AIF2DAC_EQ_B2_B_SHIFT                 0  /* AIF2DAC_EQ_B2_B - [15:0] */
+#define WM8994_AIF2DAC_EQ_B2_B_WIDTH                16  /* AIF2DAC_EQ_B2_B - [15:0] */
+
+/*
+ * R1415 (0x587) - AIF2 EQ Band 2 C
+ */
+#define WM8994_AIF2DAC_EQ_B2_C_MASK             0xFFFF  /* AIF2DAC_EQ_B2_C - [15:0] */
+#define WM8994_AIF2DAC_EQ_B2_C_SHIFT                 0  /* AIF2DAC_EQ_B2_C - [15:0] */
+#define WM8994_AIF2DAC_EQ_B2_C_WIDTH                16  /* AIF2DAC_EQ_B2_C - [15:0] */
+
+/*
+ * R1416 (0x588) - AIF2 EQ Band 2 PG
+ */
+#define WM8994_AIF2DAC_EQ_B2_PG_MASK            0xFFFF  /* AIF2DAC_EQ_B2_PG - [15:0] */
+#define WM8994_AIF2DAC_EQ_B2_PG_SHIFT                0  /* AIF2DAC_EQ_B2_PG - [15:0] */
+#define WM8994_AIF2DAC_EQ_B2_PG_WIDTH               16  /* AIF2DAC_EQ_B2_PG - [15:0] */
+
+/*
+ * R1417 (0x589) - AIF2 EQ Band 3 A
+ */
+#define WM8994_AIF2DAC_EQ_B3_A_MASK             0xFFFF  /* AIF2DAC_EQ_B3_A - [15:0] */
+#define WM8994_AIF2DAC_EQ_B3_A_SHIFT                 0  /* AIF2DAC_EQ_B3_A - [15:0] */
+#define WM8994_AIF2DAC_EQ_B3_A_WIDTH                16  /* AIF2DAC_EQ_B3_A - [15:0] */
+
+/*
+ * R1418 (0x58A) - AIF2 EQ Band 3 B
+ */
+#define WM8994_AIF2DAC_EQ_B3_B_MASK             0xFFFF  /* AIF2DAC_EQ_B3_B - [15:0] */
+#define WM8994_AIF2DAC_EQ_B3_B_SHIFT                 0  /* AIF2DAC_EQ_B3_B - [15:0] */
+#define WM8994_AIF2DAC_EQ_B3_B_WIDTH                16  /* AIF2DAC_EQ_B3_B - [15:0] */
+
+/*
+ * R1419 (0x58B) - AIF2 EQ Band 3 C
+ */
+#define WM8994_AIF2DAC_EQ_B3_C_MASK             0xFFFF  /* AIF2DAC_EQ_B3_C - [15:0] */
+#define WM8994_AIF2DAC_EQ_B3_C_SHIFT                 0  /* AIF2DAC_EQ_B3_C - [15:0] */
+#define WM8994_AIF2DAC_EQ_B3_C_WIDTH                16  /* AIF2DAC_EQ_B3_C - [15:0] */
+
+/*
+ * R1420 (0x58C) - AIF2 EQ Band 3 PG
+ */
+#define WM8994_AIF2DAC_EQ_B3_PG_MASK            0xFFFF  /* AIF2DAC_EQ_B3_PG - [15:0] */
+#define WM8994_AIF2DAC_EQ_B3_PG_SHIFT                0  /* AIF2DAC_EQ_B3_PG - [15:0] */
+#define WM8994_AIF2DAC_EQ_B3_PG_WIDTH               16  /* AIF2DAC_EQ_B3_PG - [15:0] */
+
+/*
+ * R1421 (0x58D) - AIF2 EQ Band 4 A
+ */
+#define WM8994_AIF2DAC_EQ_B4_A_MASK             0xFFFF  /* AIF2DAC_EQ_B4_A - [15:0] */
+#define WM8994_AIF2DAC_EQ_B4_A_SHIFT                 0  /* AIF2DAC_EQ_B4_A - [15:0] */
+#define WM8994_AIF2DAC_EQ_B4_A_WIDTH                16  /* AIF2DAC_EQ_B4_A - [15:0] */
+
+/*
+ * R1422 (0x58E) - AIF2 EQ Band 4 B
+ */
+#define WM8994_AIF2DAC_EQ_B4_B_MASK             0xFFFF  /* AIF2DAC_EQ_B4_B - [15:0] */
+#define WM8994_AIF2DAC_EQ_B4_B_SHIFT                 0  /* AIF2DAC_EQ_B4_B - [15:0] */
+#define WM8994_AIF2DAC_EQ_B4_B_WIDTH                16  /* AIF2DAC_EQ_B4_B - [15:0] */
+
+/*
+ * R1423 (0x58F) - AIF2 EQ Band 4 C
+ */
+#define WM8994_AIF2DAC_EQ_B4_C_MASK             0xFFFF  /* AIF2DAC_EQ_B4_C - [15:0] */
+#define WM8994_AIF2DAC_EQ_B4_C_SHIFT                 0  /* AIF2DAC_EQ_B4_C - [15:0] */
+#define WM8994_AIF2DAC_EQ_B4_C_WIDTH                16  /* AIF2DAC_EQ_B4_C - [15:0] */
+
+/*
+ * R1424 (0x590) - AIF2 EQ Band 4 PG
+ */
+#define WM8994_AIF2DAC_EQ_B4_PG_MASK            0xFFFF  /* AIF2DAC_EQ_B4_PG - [15:0] */
+#define WM8994_AIF2DAC_EQ_B4_PG_SHIFT                0  /* AIF2DAC_EQ_B4_PG - [15:0] */
+#define WM8994_AIF2DAC_EQ_B4_PG_WIDTH               16  /* AIF2DAC_EQ_B4_PG - [15:0] */
+
+/*
+ * R1425 (0x591) - AIF2 EQ Band 5 A
+ */
+#define WM8994_AIF2DAC_EQ_B5_A_MASK             0xFFFF  /* AIF2DAC_EQ_B5_A - [15:0] */
+#define WM8994_AIF2DAC_EQ_B5_A_SHIFT                 0  /* AIF2DAC_EQ_B5_A - [15:0] */
+#define WM8994_AIF2DAC_EQ_B5_A_WIDTH                16  /* AIF2DAC_EQ_B5_A - [15:0] */
+
+/*
+ * R1426 (0x592) - AIF2 EQ Band 5 B
+ */
+#define WM8994_AIF2DAC_EQ_B5_B_MASK             0xFFFF  /* AIF2DAC_EQ_B5_B - [15:0] */
+#define WM8994_AIF2DAC_EQ_B5_B_SHIFT                 0  /* AIF2DAC_EQ_B5_B - [15:0] */
+#define WM8994_AIF2DAC_EQ_B5_B_WIDTH                16  /* AIF2DAC_EQ_B5_B - [15:0] */
+
+/*
+ * R1427 (0x593) - AIF2 EQ Band 5 PG
+ */
+#define WM8994_AIF2DAC_EQ_B5_PG_MASK            0xFFFF  /* AIF2DAC_EQ_B5_PG - [15:0] */
+#define WM8994_AIF2DAC_EQ_B5_PG_SHIFT                0  /* AIF2DAC_EQ_B5_PG - [15:0] */
+#define WM8994_AIF2DAC_EQ_B5_PG_WIDTH               16  /* AIF2DAC_EQ_B5_PG - [15:0] */
+
+/*
+ * R1536 (0x600) - DAC1 Mixer Volumes
+ */
+#define WM8994_ADCR_DAC1_VOL_MASK               0x01E0  /* ADCR_DAC1_VOL - [8:5] */
+#define WM8994_ADCR_DAC1_VOL_SHIFT                   5  /* ADCR_DAC1_VOL - [8:5] */
+#define WM8994_ADCR_DAC1_VOL_WIDTH                   4  /* ADCR_DAC1_VOL - [8:5] */
+#define WM8994_ADCL_DAC1_VOL_MASK               0x000F  /* ADCL_DAC1_VOL - [3:0] */
+#define WM8994_ADCL_DAC1_VOL_SHIFT                   0  /* ADCL_DAC1_VOL - [3:0] */
+#define WM8994_ADCL_DAC1_VOL_WIDTH                   4  /* ADCL_DAC1_VOL - [3:0] */
+
+/*
+ * R1537 (0x601) - DAC1 Left Mixer Routing
+ */
+#define WM8994_ADCR_TO_DAC1L                    0x0020  /* ADCR_TO_DAC1L */
+#define WM8994_ADCR_TO_DAC1L_MASK               0x0020  /* ADCR_TO_DAC1L */
+#define WM8994_ADCR_TO_DAC1L_SHIFT                   5  /* ADCR_TO_DAC1L */
+#define WM8994_ADCR_TO_DAC1L_WIDTH                   1  /* ADCR_TO_DAC1L */
+#define WM8994_ADCL_TO_DAC1L                    0x0010  /* ADCL_TO_DAC1L */
+#define WM8994_ADCL_TO_DAC1L_MASK               0x0010  /* ADCL_TO_DAC1L */
+#define WM8994_ADCL_TO_DAC1L_SHIFT                   4  /* ADCL_TO_DAC1L */
+#define WM8994_ADCL_TO_DAC1L_WIDTH                   1  /* ADCL_TO_DAC1L */
+#define WM8994_AIF2DACL_TO_DAC1L                0x0004  /* AIF2DACL_TO_DAC1L */
+#define WM8994_AIF2DACL_TO_DAC1L_MASK           0x0004  /* AIF2DACL_TO_DAC1L */
+#define WM8994_AIF2DACL_TO_DAC1L_SHIFT               2  /* AIF2DACL_TO_DAC1L */
+#define WM8994_AIF2DACL_TO_DAC1L_WIDTH               1  /* AIF2DACL_TO_DAC1L */
+#define WM8994_AIF1DAC2L_TO_DAC1L               0x0002  /* AIF1DAC2L_TO_DAC1L */
+#define WM8994_AIF1DAC2L_TO_DAC1L_MASK          0x0002  /* AIF1DAC2L_TO_DAC1L */
+#define WM8994_AIF1DAC2L_TO_DAC1L_SHIFT              1  /* AIF1DAC2L_TO_DAC1L */
+#define WM8994_AIF1DAC2L_TO_DAC1L_WIDTH              1  /* AIF1DAC2L_TO_DAC1L */
+#define WM8994_AIF1DAC1L_TO_DAC1L               0x0001  /* AIF1DAC1L_TO_DAC1L */
+#define WM8994_AIF1DAC1L_TO_DAC1L_MASK          0x0001  /* AIF1DAC1L_TO_DAC1L */
+#define WM8994_AIF1DAC1L_TO_DAC1L_SHIFT              0  /* AIF1DAC1L_TO_DAC1L */
+#define WM8994_AIF1DAC1L_TO_DAC1L_WIDTH              1  /* AIF1DAC1L_TO_DAC1L */
+
+/*
+ * R1538 (0x602) - DAC1 Right Mixer Routing
+ */
+#define WM8994_ADCR_TO_DAC1R                    0x0020  /* ADCR_TO_DAC1R */
+#define WM8994_ADCR_TO_DAC1R_MASK               0x0020  /* ADCR_TO_DAC1R */
+#define WM8994_ADCR_TO_DAC1R_SHIFT                   5  /* ADCR_TO_DAC1R */
+#define WM8994_ADCR_TO_DAC1R_WIDTH                   1  /* ADCR_TO_DAC1R */
+#define WM8994_ADCL_TO_DAC1R                    0x0010  /* ADCL_TO_DAC1R */
+#define WM8994_ADCL_TO_DAC1R_MASK               0x0010  /* ADCL_TO_DAC1R */
+#define WM8994_ADCL_TO_DAC1R_SHIFT                   4  /* ADCL_TO_DAC1R */
+#define WM8994_ADCL_TO_DAC1R_WIDTH                   1  /* ADCL_TO_DAC1R */
+#define WM8994_AIF2DACR_TO_DAC1R                0x0004  /* AIF2DACR_TO_DAC1R */
+#define WM8994_AIF2DACR_TO_DAC1R_MASK           0x0004  /* AIF2DACR_TO_DAC1R */
+#define WM8994_AIF2DACR_TO_DAC1R_SHIFT               2  /* AIF2DACR_TO_DAC1R */
+#define WM8994_AIF2DACR_TO_DAC1R_WIDTH               1  /* AIF2DACR_TO_DAC1R */
+#define WM8994_AIF1DAC2R_TO_DAC1R               0x0002  /* AIF1DAC2R_TO_DAC1R */
+#define WM8994_AIF1DAC2R_TO_DAC1R_MASK          0x0002  /* AIF1DAC2R_TO_DAC1R */
+#define WM8994_AIF1DAC2R_TO_DAC1R_SHIFT              1  /* AIF1DAC2R_TO_DAC1R */
+#define WM8994_AIF1DAC2R_TO_DAC1R_WIDTH              1  /* AIF1DAC2R_TO_DAC1R */
+#define WM8994_AIF1DAC1R_TO_DAC1R               0x0001  /* AIF1DAC1R_TO_DAC1R */
+#define WM8994_AIF1DAC1R_TO_DAC1R_MASK          0x0001  /* AIF1DAC1R_TO_DAC1R */
+#define WM8994_AIF1DAC1R_TO_DAC1R_SHIFT              0  /* AIF1DAC1R_TO_DAC1R */
+#define WM8994_AIF1DAC1R_TO_DAC1R_WIDTH              1  /* AIF1DAC1R_TO_DAC1R */
+
+/*
+ * R1539 (0x603) - DAC2 Mixer Volumes
+ */
+#define WM8994_ADCR_DAC2_VOL_MASK               0x01E0  /* ADCR_DAC2_VOL - [8:5] */
+#define WM8994_ADCR_DAC2_VOL_SHIFT                   5  /* ADCR_DAC2_VOL - [8:5] */
+#define WM8994_ADCR_DAC2_VOL_WIDTH                   4  /* ADCR_DAC2_VOL - [8:5] */
+#define WM8994_ADCL_DAC2_VOL_MASK               0x000F  /* ADCL_DAC2_VOL - [3:0] */
+#define WM8994_ADCL_DAC2_VOL_SHIFT                   0  /* ADCL_DAC2_VOL - [3:0] */
+#define WM8994_ADCL_DAC2_VOL_WIDTH                   4  /* ADCL_DAC2_VOL - [3:0] */
+
+/*
+ * R1540 (0x604) - DAC2 Left Mixer Routing
+ */
+#define WM8994_ADCR_TO_DAC2L                    0x0020  /* ADCR_TO_DAC2L */
+#define WM8994_ADCR_TO_DAC2L_MASK               0x0020  /* ADCR_TO_DAC2L */
+#define WM8994_ADCR_TO_DAC2L_SHIFT                   5  /* ADCR_TO_DAC2L */
+#define WM8994_ADCR_TO_DAC2L_WIDTH                   1  /* ADCR_TO_DAC2L */
+#define WM8994_ADCL_TO_DAC2L                    0x0010  /* ADCL_TO_DAC2L */
+#define WM8994_ADCL_TO_DAC2L_MASK               0x0010  /* ADCL_TO_DAC2L */
+#define WM8994_ADCL_TO_DAC2L_SHIFT                   4  /* ADCL_TO_DAC2L */
+#define WM8994_ADCL_TO_DAC2L_WIDTH                   1  /* ADCL_TO_DAC2L */
+#define WM8994_AIF2DACL_TO_DAC2L                0x0004  /* AIF2DACL_TO_DAC2L */
+#define WM8994_AIF2DACL_TO_DAC2L_MASK           0x0004  /* AIF2DACL_TO_DAC2L */
+#define WM8994_AIF2DACL_TO_DAC2L_SHIFT               2  /* AIF2DACL_TO_DAC2L */
+#define WM8994_AIF2DACL_TO_DAC2L_WIDTH               1  /* AIF2DACL_TO_DAC2L */
+#define WM8994_AIF1DAC2L_TO_DAC2L               0x0002  /* AIF1DAC2L_TO_DAC2L */
+#define WM8994_AIF1DAC2L_TO_DAC2L_MASK          0x0002  /* AIF1DAC2L_TO_DAC2L */
+#define WM8994_AIF1DAC2L_TO_DAC2L_SHIFT              1  /* AIF1DAC2L_TO_DAC2L */
+#define WM8994_AIF1DAC2L_TO_DAC2L_WIDTH              1  /* AIF1DAC2L_TO_DAC2L */
+#define WM8994_AIF1DAC1L_TO_DAC2L               0x0001  /* AIF1DAC1L_TO_DAC2L */
+#define WM8994_AIF1DAC1L_TO_DAC2L_MASK          0x0001  /* AIF1DAC1L_TO_DAC2L */
+#define WM8994_AIF1DAC1L_TO_DAC2L_SHIFT              0  /* AIF1DAC1L_TO_DAC2L */
+#define WM8994_AIF1DAC1L_TO_DAC2L_WIDTH              1  /* AIF1DAC1L_TO_DAC2L */
+
+/*
+ * R1541 (0x605) - DAC2 Right Mixer Routing
+ */
+#define WM8994_ADCR_TO_DAC2R                    0x0020  /* ADCR_TO_DAC2R */
+#define WM8994_ADCR_TO_DAC2R_MASK               0x0020  /* ADCR_TO_DAC2R */
+#define WM8994_ADCR_TO_DAC2R_SHIFT                   5  /* ADCR_TO_DAC2R */
+#define WM8994_ADCR_TO_DAC2R_WIDTH                   1  /* ADCR_TO_DAC2R */
+#define WM8994_ADCL_TO_DAC2R                    0x0010  /* ADCL_TO_DAC2R */
+#define WM8994_ADCL_TO_DAC2R_MASK               0x0010  /* ADCL_TO_DAC2R */
+#define WM8994_ADCL_TO_DAC2R_SHIFT                   4  /* ADCL_TO_DAC2R */
+#define WM8994_ADCL_TO_DAC2R_WIDTH                   1  /* ADCL_TO_DAC2R */
+#define WM8994_AIF2DACR_TO_DAC2R                0x0004  /* AIF2DACR_TO_DAC2R */
+#define WM8994_AIF2DACR_TO_DAC2R_MASK           0x0004  /* AIF2DACR_TO_DAC2R */
+#define WM8994_AIF2DACR_TO_DAC2R_SHIFT               2  /* AIF2DACR_TO_DAC2R */
+#define WM8994_AIF2DACR_TO_DAC2R_WIDTH               1  /* AIF2DACR_TO_DAC2R */
+#define WM8994_AIF1DAC2R_TO_DAC2R               0x0002  /* AIF1DAC2R_TO_DAC2R */
+#define WM8994_AIF1DAC2R_TO_DAC2R_MASK          0x0002  /* AIF1DAC2R_TO_DAC2R */
+#define WM8994_AIF1DAC2R_TO_DAC2R_SHIFT              1  /* AIF1DAC2R_TO_DAC2R */
+#define WM8994_AIF1DAC2R_TO_DAC2R_WIDTH              1  /* AIF1DAC2R_TO_DAC2R */
+#define WM8994_AIF1DAC1R_TO_DAC2R               0x0001  /* AIF1DAC1R_TO_DAC2R */
+#define WM8994_AIF1DAC1R_TO_DAC2R_MASK          0x0001  /* AIF1DAC1R_TO_DAC2R */
+#define WM8994_AIF1DAC1R_TO_DAC2R_SHIFT              0  /* AIF1DAC1R_TO_DAC2R */
+#define WM8994_AIF1DAC1R_TO_DAC2R_WIDTH              1  /* AIF1DAC1R_TO_DAC2R */
+
+/*
+ * R1542 (0x606) - AIF1 ADC1 Left Mixer Routing
+ */
+#define WM8994_ADC1L_TO_AIF1ADC1L               0x0002  /* ADC1L_TO_AIF1ADC1L */
+#define WM8994_ADC1L_TO_AIF1ADC1L_MASK          0x0002  /* ADC1L_TO_AIF1ADC1L */
+#define WM8994_ADC1L_TO_AIF1ADC1L_SHIFT              1  /* ADC1L_TO_AIF1ADC1L */
+#define WM8994_ADC1L_TO_AIF1ADC1L_WIDTH              1  /* ADC1L_TO_AIF1ADC1L */
+#define WM8994_AIF2DACL_TO_AIF1ADC1L            0x0001  /* AIF2DACL_TO_AIF1ADC1L */
+#define WM8994_AIF2DACL_TO_AIF1ADC1L_MASK       0x0001  /* AIF2DACL_TO_AIF1ADC1L */
+#define WM8994_AIF2DACL_TO_AIF1ADC1L_SHIFT           0  /* AIF2DACL_TO_AIF1ADC1L */
+#define WM8994_AIF2DACL_TO_AIF1ADC1L_WIDTH           1  /* AIF2DACL_TO_AIF1ADC1L */
+
+/*
+ * R1543 (0x607) - AIF1 ADC1 Right Mixer Routing
+ */
+#define WM8994_ADC1R_TO_AIF1ADC1R               0x0002  /* ADC1R_TO_AIF1ADC1R */
+#define WM8994_ADC1R_TO_AIF1ADC1R_MASK          0x0002  /* ADC1R_TO_AIF1ADC1R */
+#define WM8994_ADC1R_TO_AIF1ADC1R_SHIFT              1  /* ADC1R_TO_AIF1ADC1R */
+#define WM8994_ADC1R_TO_AIF1ADC1R_WIDTH              1  /* ADC1R_TO_AIF1ADC1R */
+#define WM8994_AIF2DACR_TO_AIF1ADC1R            0x0001  /* AIF2DACR_TO_AIF1ADC1R */
+#define WM8994_AIF2DACR_TO_AIF1ADC1R_MASK       0x0001  /* AIF2DACR_TO_AIF1ADC1R */
+#define WM8994_AIF2DACR_TO_AIF1ADC1R_SHIFT           0  /* AIF2DACR_TO_AIF1ADC1R */
+#define WM8994_AIF2DACR_TO_AIF1ADC1R_WIDTH           1  /* AIF2DACR_TO_AIF1ADC1R */
+
+/*
+ * R1544 (0x608) - AIF1 ADC2 Left Mixer Routing
+ */
+#define WM8994_ADC2L_TO_AIF1ADC2L               0x0002  /* ADC2L_TO_AIF1ADC2L */
+#define WM8994_ADC2L_TO_AIF1ADC2L_MASK          0x0002  /* ADC2L_TO_AIF1ADC2L */
+#define WM8994_ADC2L_TO_AIF1ADC2L_SHIFT              1  /* ADC2L_TO_AIF1ADC2L */
+#define WM8994_ADC2L_TO_AIF1ADC2L_WIDTH              1  /* ADC2L_TO_AIF1ADC2L */
+#define WM8994_AIF2DACL_TO_AIF1ADC2L            0x0001  /* AIF2DACL_TO_AIF1ADC2L */
+#define WM8994_AIF2DACL_TO_AIF1ADC2L_MASK       0x0001  /* AIF2DACL_TO_AIF1ADC2L */
+#define WM8994_AIF2DACL_TO_AIF1ADC2L_SHIFT           0  /* AIF2DACL_TO_AIF1ADC2L */
+#define WM8994_AIF2DACL_TO_AIF1ADC2L_WIDTH           1  /* AIF2DACL_TO_AIF1ADC2L */
+
+/*
+ * R1545 (0x609) - AIF1 ADC2 Right mixer Routing
+ */
+#define WM8994_ADC2R_TO_AIF1ADC2R               0x0002  /* ADC2R_TO_AIF1ADC2R */
+#define WM8994_ADC2R_TO_AIF1ADC2R_MASK          0x0002  /* ADC2R_TO_AIF1ADC2R */
+#define WM8994_ADC2R_TO_AIF1ADC2R_SHIFT              1  /* ADC2R_TO_AIF1ADC2R */
+#define WM8994_ADC2R_TO_AIF1ADC2R_WIDTH              1  /* ADC2R_TO_AIF1ADC2R */
+#define WM8994_AIF2DACR_TO_AIF1ADC2R            0x0001  /* AIF2DACR_TO_AIF1ADC2R */
+#define WM8994_AIF2DACR_TO_AIF1ADC2R_MASK       0x0001  /* AIF2DACR_TO_AIF1ADC2R */
+#define WM8994_AIF2DACR_TO_AIF1ADC2R_SHIFT           0  /* AIF2DACR_TO_AIF1ADC2R */
+#define WM8994_AIF2DACR_TO_AIF1ADC2R_WIDTH           1  /* AIF2DACR_TO_AIF1ADC2R */
+
+/*
+ * R1552 (0x610) - DAC1 Left Volume
+ */
+#define WM8994_DAC1L_MUTE                       0x0200  /* DAC1L_MUTE */
+#define WM8994_DAC1L_MUTE_MASK                  0x0200  /* DAC1L_MUTE */
+#define WM8994_DAC1L_MUTE_SHIFT                      9  /* DAC1L_MUTE */
+#define WM8994_DAC1L_MUTE_WIDTH                      1  /* DAC1L_MUTE */
+#define WM8994_DAC1_VU                          0x0100  /* DAC1_VU */
+#define WM8994_DAC1_VU_MASK                     0x0100  /* DAC1_VU */
+#define WM8994_DAC1_VU_SHIFT                         8  /* DAC1_VU */
+#define WM8994_DAC1_VU_WIDTH                         1  /* DAC1_VU */
+#define WM8994_DAC1L_VOL_MASK                   0x00FF  /* DAC1L_VOL - [7:0] */
+#define WM8994_DAC1L_VOL_SHIFT                       0  /* DAC1L_VOL - [7:0] */
+#define WM8994_DAC1L_VOL_WIDTH                       8  /* DAC1L_VOL - [7:0] */
+
+/*
+ * R1553 (0x611) - DAC1 Right Volume
+ */
+#define WM8994_DAC1R_MUTE                       0x0200  /* DAC1R_MUTE */
+#define WM8994_DAC1R_MUTE_MASK                  0x0200  /* DAC1R_MUTE */
+#define WM8994_DAC1R_MUTE_SHIFT                      9  /* DAC1R_MUTE */
+#define WM8994_DAC1R_MUTE_WIDTH                      1  /* DAC1R_MUTE */
+#define WM8994_DAC1_VU                          0x0100  /* DAC1_VU */
+#define WM8994_DAC1_VU_MASK                     0x0100  /* DAC1_VU */
+#define WM8994_DAC1_VU_SHIFT                         8  /* DAC1_VU */
+#define WM8994_DAC1_VU_WIDTH                         1  /* DAC1_VU */
+#define WM8994_DAC1R_VOL_MASK                   0x00FF  /* DAC1R_VOL - [7:0] */
+#define WM8994_DAC1R_VOL_SHIFT                       0  /* DAC1R_VOL - [7:0] */
+#define WM8994_DAC1R_VOL_WIDTH                       8  /* DAC1R_VOL - [7:0] */
+
+/*
+ * R1554 (0x612) - DAC2 Left Volume
+ */
+#define WM8994_DAC2L_MUTE                       0x0200  /* DAC2L_MUTE */
+#define WM8994_DAC2L_MUTE_MASK                  0x0200  /* DAC2L_MUTE */
+#define WM8994_DAC2L_MUTE_SHIFT                      9  /* DAC2L_MUTE */
+#define WM8994_DAC2L_MUTE_WIDTH                      1  /* DAC2L_MUTE */
+#define WM8994_DAC2_VU                          0x0100  /* DAC2_VU */
+#define WM8994_DAC2_VU_MASK                     0x0100  /* DAC2_VU */
+#define WM8994_DAC2_VU_SHIFT                         8  /* DAC2_VU */
+#define WM8994_DAC2_VU_WIDTH                         1  /* DAC2_VU */
+#define WM8994_DAC2L_VOL_MASK                   0x00FF  /* DAC2L_VOL - [7:0] */
+#define WM8994_DAC2L_VOL_SHIFT                       0  /* DAC2L_VOL - [7:0] */
+#define WM8994_DAC2L_VOL_WIDTH                       8  /* DAC2L_VOL - [7:0] */
+
+/*
+ * R1555 (0x613) - DAC2 Right Volume
+ */
+#define WM8994_DAC2R_MUTE                       0x0200  /* DAC2R_MUTE */
+#define WM8994_DAC2R_MUTE_MASK                  0x0200  /* DAC2R_MUTE */
+#define WM8994_DAC2R_MUTE_SHIFT                      9  /* DAC2R_MUTE */
+#define WM8994_DAC2R_MUTE_WIDTH                      1  /* DAC2R_MUTE */
+#define WM8994_DAC2_VU                          0x0100  /* DAC2_VU */
+#define WM8994_DAC2_VU_MASK                     0x0100  /* DAC2_VU */
+#define WM8994_DAC2_VU_SHIFT                         8  /* DAC2_VU */
+#define WM8994_DAC2_VU_WIDTH                         1  /* DAC2_VU */
+#define WM8994_DAC2R_VOL_MASK                   0x00FF  /* DAC2R_VOL - [7:0] */
+#define WM8994_DAC2R_VOL_SHIFT                       0  /* DAC2R_VOL - [7:0] */
+#define WM8994_DAC2R_VOL_WIDTH                       8  /* DAC2R_VOL - [7:0] */
+
+/*
+ * R1556 (0x614) - DAC Softmute
+ */
+#define WM8994_DAC_SOFTMUTEMODE                 0x0002  /* DAC_SOFTMUTEMODE */
+#define WM8994_DAC_SOFTMUTEMODE_MASK            0x0002  /* DAC_SOFTMUTEMODE */
+#define WM8994_DAC_SOFTMUTEMODE_SHIFT                1  /* DAC_SOFTMUTEMODE */
+#define WM8994_DAC_SOFTMUTEMODE_WIDTH                1  /* DAC_SOFTMUTEMODE */
+#define WM8994_DAC_MUTERATE                     0x0001  /* DAC_MUTERATE */
+#define WM8994_DAC_MUTERATE_MASK                0x0001  /* DAC_MUTERATE */
+#define WM8994_DAC_MUTERATE_SHIFT                    0  /* DAC_MUTERATE */
+#define WM8994_DAC_MUTERATE_WIDTH                    1  /* DAC_MUTERATE */
+
+/*
+ * R1568 (0x620) - Oversampling
+ */
+#define WM8994_ADC_OSR128                       0x0002  /* ADC_OSR128 */
+#define WM8994_ADC_OSR128_MASK                  0x0002  /* ADC_OSR128 */
+#define WM8994_ADC_OSR128_SHIFT                      1  /* ADC_OSR128 */
+#define WM8994_ADC_OSR128_WIDTH                      1  /* ADC_OSR128 */
+#define WM8994_DAC_OSR128                       0x0001  /* DAC_OSR128 */
+#define WM8994_DAC_OSR128_MASK                  0x0001  /* DAC_OSR128 */
+#define WM8994_DAC_OSR128_SHIFT                      0  /* DAC_OSR128 */
+#define WM8994_DAC_OSR128_WIDTH                      1  /* DAC_OSR128 */
+
+/*
+ * R1569 (0x621) - Sidetone
+ */
+#define WM8994_ST_HPF_CUT_MASK                  0x0380  /* ST_HPF_CUT - [9:7] */
+#define WM8994_ST_HPF_CUT_SHIFT                      7  /* ST_HPF_CUT - [9:7] */
+#define WM8994_ST_HPF_CUT_WIDTH                      3  /* ST_HPF_CUT - [9:7] */
+#define WM8994_ST_HPF                           0x0040  /* ST_HPF */
+#define WM8994_ST_HPF_MASK                      0x0040  /* ST_HPF */
+#define WM8994_ST_HPF_SHIFT                          6  /* ST_HPF */
+#define WM8994_ST_HPF_WIDTH                          1  /* ST_HPF */
+#define WM8994_STR_SEL                          0x0002  /* STR_SEL */
+#define WM8994_STR_SEL_MASK                     0x0002  /* STR_SEL */
+#define WM8994_STR_SEL_SHIFT                         1  /* STR_SEL */
+#define WM8994_STR_SEL_WIDTH                         1  /* STR_SEL */
+#define WM8994_STL_SEL                          0x0001  /* STL_SEL */
+#define WM8994_STL_SEL_MASK                     0x0001  /* STL_SEL */
+#define WM8994_STL_SEL_SHIFT                         0  /* STL_SEL */
+#define WM8994_STL_SEL_WIDTH                         1  /* STL_SEL */
+
+/*
+ * R1824 (0x720) - Pull Control (1)
+ */
+#define WM8994_DMICDAT2_PU                      0x0800  /* DMICDAT2_PU */
+#define WM8994_DMICDAT2_PU_MASK                 0x0800  /* DMICDAT2_PU */
+#define WM8994_DMICDAT2_PU_SHIFT                    11  /* DMICDAT2_PU */
+#define WM8994_DMICDAT2_PU_WIDTH                     1  /* DMICDAT2_PU */
+#define WM8994_DMICDAT2_PD                      0x0400  /* DMICDAT2_PD */
+#define WM8994_DMICDAT2_PD_MASK                 0x0400  /* DMICDAT2_PD */
+#define WM8994_DMICDAT2_PD_SHIFT                    10  /* DMICDAT2_PD */
+#define WM8994_DMICDAT2_PD_WIDTH                     1  /* DMICDAT2_PD */
+#define WM8994_DMICDAT1_PU                      0x0200  /* DMICDAT1_PU */
+#define WM8994_DMICDAT1_PU_MASK                 0x0200  /* DMICDAT1_PU */
+#define WM8994_DMICDAT1_PU_SHIFT                     9  /* DMICDAT1_PU */
+#define WM8994_DMICDAT1_PU_WIDTH                     1  /* DMICDAT1_PU */
+#define WM8994_DMICDAT1_PD                      0x0100  /* DMICDAT1_PD */
+#define WM8994_DMICDAT1_PD_MASK                 0x0100  /* DMICDAT1_PD */
+#define WM8994_DMICDAT1_PD_SHIFT                     8  /* DMICDAT1_PD */
+#define WM8994_DMICDAT1_PD_WIDTH                     1  /* DMICDAT1_PD */
+#define WM8994_MCLK1_PU                         0x0080  /* MCLK1_PU */
+#define WM8994_MCLK1_PU_MASK                    0x0080  /* MCLK1_PU */
+#define WM8994_MCLK1_PU_SHIFT                        7  /* MCLK1_PU */
+#define WM8994_MCLK1_PU_WIDTH                        1  /* MCLK1_PU */
+#define WM8994_MCLK1_PD                         0x0040  /* MCLK1_PD */
+#define WM8994_MCLK1_PD_MASK                    0x0040  /* MCLK1_PD */
+#define WM8994_MCLK1_PD_SHIFT                        6  /* MCLK1_PD */
+#define WM8994_MCLK1_PD_WIDTH                        1  /* MCLK1_PD */
+#define WM8994_DACDAT1_PU                       0x0020  /* DACDAT1_PU */
+#define WM8994_DACDAT1_PU_MASK                  0x0020  /* DACDAT1_PU */
+#define WM8994_DACDAT1_PU_SHIFT                      5  /* DACDAT1_PU */
+#define WM8994_DACDAT1_PU_WIDTH                      1  /* DACDAT1_PU */
+#define WM8994_DACDAT1_PD                       0x0010  /* DACDAT1_PD */
+#define WM8994_DACDAT1_PD_MASK                  0x0010  /* DACDAT1_PD */
+#define WM8994_DACDAT1_PD_SHIFT                      4  /* DACDAT1_PD */
+#define WM8994_DACDAT1_PD_WIDTH                      1  /* DACDAT1_PD */
+#define WM8994_DACLRCLK1_PU                     0x0008  /* DACLRCLK1_PU */
+#define WM8994_DACLRCLK1_PU_MASK                0x0008  /* DACLRCLK1_PU */
+#define WM8994_DACLRCLK1_PU_SHIFT                    3  /* DACLRCLK1_PU */
+#define WM8994_DACLRCLK1_PU_WIDTH                    1  /* DACLRCLK1_PU */
+#define WM8994_DACLRCLK1_PD                     0x0004  /* DACLRCLK1_PD */
+#define WM8994_DACLRCLK1_PD_MASK                0x0004  /* DACLRCLK1_PD */
+#define WM8994_DACLRCLK1_PD_SHIFT                    2  /* DACLRCLK1_PD */
+#define WM8994_DACLRCLK1_PD_WIDTH                    1  /* DACLRCLK1_PD */
+#define WM8994_BCLK1_PU                         0x0002  /* BCLK1_PU */
+#define WM8994_BCLK1_PU_MASK                    0x0002  /* BCLK1_PU */
+#define WM8994_BCLK1_PU_SHIFT                        1  /* BCLK1_PU */
+#define WM8994_BCLK1_PU_WIDTH                        1  /* BCLK1_PU */
+#define WM8994_BCLK1_PD                         0x0001  /* BCLK1_PD */
+#define WM8994_BCLK1_PD_MASK                    0x0001  /* BCLK1_PD */
+#define WM8994_BCLK1_PD_SHIFT                        0  /* BCLK1_PD */
+#define WM8994_BCLK1_PD_WIDTH                        1  /* BCLK1_PD */
+
+/*
+ * R1825 (0x721) - Pull Control (2)
+ */
+#define WM8994_CSNADDR_PD                       0x0100  /* CSNADDR_PD */
+#define WM8994_CSNADDR_PD_MASK                  0x0100  /* CSNADDR_PD */
+#define WM8994_CSNADDR_PD_SHIFT                      8  /* CSNADDR_PD */
+#define WM8994_CSNADDR_PD_WIDTH                      1  /* CSNADDR_PD */
+#define WM8994_LDO2ENA_PD                       0x0040  /* LDO2ENA_PD */
+#define WM8994_LDO2ENA_PD_MASK                  0x0040  /* LDO2ENA_PD */
+#define WM8994_LDO2ENA_PD_SHIFT                      6  /* LDO2ENA_PD */
+#define WM8994_LDO2ENA_PD_WIDTH                      1  /* LDO2ENA_PD */
+#define WM8994_LDO1ENA_PD                       0x0010  /* LDO1ENA_PD */
+#define WM8994_LDO1ENA_PD_MASK                  0x0010  /* LDO1ENA_PD */
+#define WM8994_LDO1ENA_PD_SHIFT                      4  /* LDO1ENA_PD */
+#define WM8994_LDO1ENA_PD_WIDTH                      1  /* LDO1ENA_PD */
+#define WM8994_CIFMODE_PD                       0x0004  /* CIFMODE_PD */
+#define WM8994_CIFMODE_PD_MASK                  0x0004  /* CIFMODE_PD */
+#define WM8994_CIFMODE_PD_SHIFT                      2  /* CIFMODE_PD */
+#define WM8994_CIFMODE_PD_WIDTH                      1  /* CIFMODE_PD */
+#define WM8994_SPKMODE_PU                       0x0002  /* SPKMODE_PU */
+#define WM8994_SPKMODE_PU_MASK                  0x0002  /* SPKMODE_PU */
+#define WM8994_SPKMODE_PU_SHIFT                      1  /* SPKMODE_PU */
+#define WM8994_SPKMODE_PU_WIDTH                      1  /* SPKMODE_PU */
+
+/*
+ * R1840 (0x730) - Interrupt Status 1
+ */
+#define WM8994_GP11_EINT                        0x0400  /* GP11_EINT */
+#define WM8994_GP11_EINT_MASK                   0x0400  /* GP11_EINT */
+#define WM8994_GP11_EINT_SHIFT                      10  /* GP11_EINT */
+#define WM8994_GP11_EINT_WIDTH                       1  /* GP11_EINT */
+#define WM8994_GP10_EINT                        0x0200  /* GP10_EINT */
+#define WM8994_GP10_EINT_MASK                   0x0200  /* GP10_EINT */
+#define WM8994_GP10_EINT_SHIFT                       9  /* GP10_EINT */
+#define WM8994_GP10_EINT_WIDTH                       1  /* GP10_EINT */
+#define WM8994_GP9_EINT                         0x0100  /* GP9_EINT */
+#define WM8994_GP9_EINT_MASK                    0x0100  /* GP9_EINT */
+#define WM8994_GP9_EINT_SHIFT                        8  /* GP9_EINT */
+#define WM8994_GP9_EINT_WIDTH                        1  /* GP9_EINT */
+#define WM8994_GP8_EINT                         0x0080  /* GP8_EINT */
+#define WM8994_GP8_EINT_MASK                    0x0080  /* GP8_EINT */
+#define WM8994_GP8_EINT_SHIFT                        7  /* GP8_EINT */
+#define WM8994_GP8_EINT_WIDTH                        1  /* GP8_EINT */
+#define WM8994_GP7_EINT                         0x0040  /* GP7_EINT */
+#define WM8994_GP7_EINT_MASK                    0x0040  /* GP7_EINT */
+#define WM8994_GP7_EINT_SHIFT                        6  /* GP7_EINT */
+#define WM8994_GP7_EINT_WIDTH                        1  /* GP7_EINT */
+#define WM8994_GP6_EINT                         0x0020  /* GP6_EINT */
+#define WM8994_GP6_EINT_MASK                    0x0020  /* GP6_EINT */
+#define WM8994_GP6_EINT_SHIFT                        5  /* GP6_EINT */
+#define WM8994_GP6_EINT_WIDTH                        1  /* GP6_EINT */
+#define WM8994_GP5_EINT                         0x0010  /* GP5_EINT */
+#define WM8994_GP5_EINT_MASK                    0x0010  /* GP5_EINT */
+#define WM8994_GP5_EINT_SHIFT                        4  /* GP5_EINT */
+#define WM8994_GP5_EINT_WIDTH                        1  /* GP5_EINT */
+#define WM8994_GP4_EINT                         0x0008  /* GP4_EINT */
+#define WM8994_GP4_EINT_MASK                    0x0008  /* GP4_EINT */
+#define WM8994_GP4_EINT_SHIFT                        3  /* GP4_EINT */
+#define WM8994_GP4_EINT_WIDTH                        1  /* GP4_EINT */
+#define WM8994_GP3_EINT                         0x0004  /* GP3_EINT */
+#define WM8994_GP3_EINT_MASK                    0x0004  /* GP3_EINT */
+#define WM8994_GP3_EINT_SHIFT                        2  /* GP3_EINT */
+#define WM8994_GP3_EINT_WIDTH                        1  /* GP3_EINT */
+#define WM8994_GP2_EINT                         0x0002  /* GP2_EINT */
+#define WM8994_GP2_EINT_MASK                    0x0002  /* GP2_EINT */
+#define WM8994_GP2_EINT_SHIFT                        1  /* GP2_EINT */
+#define WM8994_GP2_EINT_WIDTH                        1  /* GP2_EINT */
+#define WM8994_GP1_EINT                         0x0001  /* GP1_EINT */
+#define WM8994_GP1_EINT_MASK                    0x0001  /* GP1_EINT */
+#define WM8994_GP1_EINT_SHIFT                        0  /* GP1_EINT */
+#define WM8994_GP1_EINT_WIDTH                        1  /* GP1_EINT */
+
+/*
+ * R1841 (0x731) - Interrupt Status 2
+ */
+#define WM8994_TEMP_WARN_EINT                   0x8000  /* TEMP_WARN_EINT */
+#define WM8994_TEMP_WARN_EINT_MASK              0x8000  /* TEMP_WARN_EINT */
+#define WM8994_TEMP_WARN_EINT_SHIFT                 15  /* TEMP_WARN_EINT */
+#define WM8994_TEMP_WARN_EINT_WIDTH                  1  /* TEMP_WARN_EINT */
+#define WM8994_DCS_DONE_EINT                    0x4000  /* DCS_DONE_EINT */
+#define WM8994_DCS_DONE_EINT_MASK               0x4000  /* DCS_DONE_EINT */
+#define WM8994_DCS_DONE_EINT_SHIFT                  14  /* DCS_DONE_EINT */
+#define WM8994_DCS_DONE_EINT_WIDTH                   1  /* DCS_DONE_EINT */
+#define WM8994_WSEQ_DONE_EINT                   0x2000  /* WSEQ_DONE_EINT */
+#define WM8994_WSEQ_DONE_EINT_MASK              0x2000  /* WSEQ_DONE_EINT */
+#define WM8994_WSEQ_DONE_EINT_SHIFT                 13  /* WSEQ_DONE_EINT */
+#define WM8994_WSEQ_DONE_EINT_WIDTH                  1  /* WSEQ_DONE_EINT */
+#define WM8994_FIFOS_ERR_EINT                   0x1000  /* FIFOS_ERR_EINT */
+#define WM8994_FIFOS_ERR_EINT_MASK              0x1000  /* FIFOS_ERR_EINT */
+#define WM8994_FIFOS_ERR_EINT_SHIFT                 12  /* FIFOS_ERR_EINT */
+#define WM8994_FIFOS_ERR_EINT_WIDTH                  1  /* FIFOS_ERR_EINT */
+#define WM8994_AIF2DRC_SIG_DET_EINT             0x0800  /* AIF2DRC_SIG_DET_EINT */
+#define WM8994_AIF2DRC_SIG_DET_EINT_MASK        0x0800  /* AIF2DRC_SIG_DET_EINT */
+#define WM8994_AIF2DRC_SIG_DET_EINT_SHIFT           11  /* AIF2DRC_SIG_DET_EINT */
+#define WM8994_AIF2DRC_SIG_DET_EINT_WIDTH            1  /* AIF2DRC_SIG_DET_EINT */
+#define WM8994_AIF1DRC2_SIG_DET_EINT            0x0400  /* AIF1DRC2_SIG_DET_EINT */
+#define WM8994_AIF1DRC2_SIG_DET_EINT_MASK       0x0400  /* AIF1DRC2_SIG_DET_EINT */
+#define WM8994_AIF1DRC2_SIG_DET_EINT_SHIFT          10  /* AIF1DRC2_SIG_DET_EINT */
+#define WM8994_AIF1DRC2_SIG_DET_EINT_WIDTH           1  /* AIF1DRC2_SIG_DET_EINT */
+#define WM8994_AIF1DRC1_SIG_DET_EINT            0x0200  /* AIF1DRC1_SIG_DET_EINT */
+#define WM8994_AIF1DRC1_SIG_DET_EINT_MASK       0x0200  /* AIF1DRC1_SIG_DET_EINT */
+#define WM8994_AIF1DRC1_SIG_DET_EINT_SHIFT           9  /* AIF1DRC1_SIG_DET_EINT */
+#define WM8994_AIF1DRC1_SIG_DET_EINT_WIDTH           1  /* AIF1DRC1_SIG_DET_EINT */
+#define WM8994_SRC2_LOCK_EINT                   0x0100  /* SRC2_LOCK_EINT */
+#define WM8994_SRC2_LOCK_EINT_MASK              0x0100  /* SRC2_LOCK_EINT */
+#define WM8994_SRC2_LOCK_EINT_SHIFT                  8  /* SRC2_LOCK_EINT */
+#define WM8994_SRC2_LOCK_EINT_WIDTH                  1  /* SRC2_LOCK_EINT */
+#define WM8994_SRC1_LOCK_EINT                   0x0080  /* SRC1_LOCK_EINT */
+#define WM8994_SRC1_LOCK_EINT_MASK              0x0080  /* SRC1_LOCK_EINT */
+#define WM8994_SRC1_LOCK_EINT_SHIFT                  7  /* SRC1_LOCK_EINT */
+#define WM8994_SRC1_LOCK_EINT_WIDTH                  1  /* SRC1_LOCK_EINT */
+#define WM8994_FLL2_LOCK_EINT                   0x0040  /* FLL2_LOCK_EINT */
+#define WM8994_FLL2_LOCK_EINT_MASK              0x0040  /* FLL2_LOCK_EINT */
+#define WM8994_FLL2_LOCK_EINT_SHIFT                  6  /* FLL2_LOCK_EINT */
+#define WM8994_FLL2_LOCK_EINT_WIDTH                  1  /* FLL2_LOCK_EINT */
+#define WM8994_FLL1_LOCK_EINT                   0x0020  /* FLL1_LOCK_EINT */
+#define WM8994_FLL1_LOCK_EINT_MASK              0x0020  /* FLL1_LOCK_EINT */
+#define WM8994_FLL1_LOCK_EINT_SHIFT                  5  /* FLL1_LOCK_EINT */
+#define WM8994_FLL1_LOCK_EINT_WIDTH                  1  /* FLL1_LOCK_EINT */
+#define WM8994_MIC2_SHRT_EINT                   0x0010  /* MIC2_SHRT_EINT */
+#define WM8994_MIC2_SHRT_EINT_MASK              0x0010  /* MIC2_SHRT_EINT */
+#define WM8994_MIC2_SHRT_EINT_SHIFT                  4  /* MIC2_SHRT_EINT */
+#define WM8994_MIC2_SHRT_EINT_WIDTH                  1  /* MIC2_SHRT_EINT */
+#define WM8994_MIC2_DET_EINT                    0x0008  /* MIC2_DET_EINT */
+#define WM8994_MIC2_DET_EINT_MASK               0x0008  /* MIC2_DET_EINT */
+#define WM8994_MIC2_DET_EINT_SHIFT                   3  /* MIC2_DET_EINT */
+#define WM8994_MIC2_DET_EINT_WIDTH                   1  /* MIC2_DET_EINT */
+#define WM8994_MIC1_SHRT_EINT                   0x0004  /* MIC1_SHRT_EINT */
+#define WM8994_MIC1_SHRT_EINT_MASK              0x0004  /* MIC1_SHRT_EINT */
+#define WM8994_MIC1_SHRT_EINT_SHIFT                  2  /* MIC1_SHRT_EINT */
+#define WM8994_MIC1_SHRT_EINT_WIDTH                  1  /* MIC1_SHRT_EINT */
+#define WM8994_MIC1_DET_EINT                    0x0002  /* MIC1_DET_EINT */
+#define WM8994_MIC1_DET_EINT_MASK               0x0002  /* MIC1_DET_EINT */
+#define WM8994_MIC1_DET_EINT_SHIFT                   1  /* MIC1_DET_EINT */
+#define WM8994_MIC1_DET_EINT_WIDTH                   1  /* MIC1_DET_EINT */
+#define WM8994_TEMP_SHUT_EINT                   0x0001  /* TEMP_SHUT_EINT */
+#define WM8994_TEMP_SHUT_EINT_MASK              0x0001  /* TEMP_SHUT_EINT */
+#define WM8994_TEMP_SHUT_EINT_SHIFT                  0  /* TEMP_SHUT_EINT */
+#define WM8994_TEMP_SHUT_EINT_WIDTH                  1  /* TEMP_SHUT_EINT */
+
+/*
+ * R1842 (0x732) - Interrupt Raw Status 2
+ */
+#define WM8994_TEMP_WARN_STS                    0x8000  /* TEMP_WARN_STS */
+#define WM8994_TEMP_WARN_STS_MASK               0x8000  /* TEMP_WARN_STS */
+#define WM8994_TEMP_WARN_STS_SHIFT                  15  /* TEMP_WARN_STS */
+#define WM8994_TEMP_WARN_STS_WIDTH                   1  /* TEMP_WARN_STS */
+#define WM8994_DCS_DONE_STS                     0x4000  /* DCS_DONE_STS */
+#define WM8994_DCS_DONE_STS_MASK                0x4000  /* DCS_DONE_STS */
+#define WM8994_DCS_DONE_STS_SHIFT                   14  /* DCS_DONE_STS */
+#define WM8994_DCS_DONE_STS_WIDTH                    1  /* DCS_DONE_STS */
+#define WM8994_WSEQ_DONE_STS                    0x2000  /* WSEQ_DONE_STS */
+#define WM8994_WSEQ_DONE_STS_MASK               0x2000  /* WSEQ_DONE_STS */
+#define WM8994_WSEQ_DONE_STS_SHIFT                  13  /* WSEQ_DONE_STS */
+#define WM8994_WSEQ_DONE_STS_WIDTH                   1  /* WSEQ_DONE_STS */
+#define WM8994_FIFOS_ERR_STS                    0x1000  /* FIFOS_ERR_STS */
+#define WM8994_FIFOS_ERR_STS_MASK               0x1000  /* FIFOS_ERR_STS */
+#define WM8994_FIFOS_ERR_STS_SHIFT                  12  /* FIFOS_ERR_STS */
+#define WM8994_FIFOS_ERR_STS_WIDTH                   1  /* FIFOS_ERR_STS */
+#define WM8994_AIF2DRC_SIG_DET_STS              0x0800  /* AIF2DRC_SIG_DET_STS */
+#define WM8994_AIF2DRC_SIG_DET_STS_MASK         0x0800  /* AIF2DRC_SIG_DET_STS */
+#define WM8994_AIF2DRC_SIG_DET_STS_SHIFT            11  /* AIF2DRC_SIG_DET_STS */
+#define WM8994_AIF2DRC_SIG_DET_STS_WIDTH             1  /* AIF2DRC_SIG_DET_STS */
+#define WM8994_AIF1DRC2_SIG_DET_STS             0x0400  /* AIF1DRC2_SIG_DET_STS */
+#define WM8994_AIF1DRC2_SIG_DET_STS_MASK        0x0400  /* AIF1DRC2_SIG_DET_STS */
+#define WM8994_AIF1DRC2_SIG_DET_STS_SHIFT           10  /* AIF1DRC2_SIG_DET_STS */
+#define WM8994_AIF1DRC2_SIG_DET_STS_WIDTH            1  /* AIF1DRC2_SIG_DET_STS */
+#define WM8994_AIF1DRC1_SIG_DET_STS             0x0200  /* AIF1DRC1_SIG_DET_STS */
+#define WM8994_AIF1DRC1_SIG_DET_STS_MASK        0x0200  /* AIF1DRC1_SIG_DET_STS */
+#define WM8994_AIF1DRC1_SIG_DET_STS_SHIFT            9  /* AIF1DRC1_SIG_DET_STS */
+#define WM8994_AIF1DRC1_SIG_DET_STS_WIDTH            1  /* AIF1DRC1_SIG_DET_STS */
+#define WM8994_SRC2_LOCK_STS                    0x0100  /* SRC2_LOCK_STS */
+#define WM8994_SRC2_LOCK_STS_MASK               0x0100  /* SRC2_LOCK_STS */
+#define WM8994_SRC2_LOCK_STS_SHIFT                   8  /* SRC2_LOCK_STS */
+#define WM8994_SRC2_LOCK_STS_WIDTH                   1  /* SRC2_LOCK_STS */
+#define WM8994_SRC1_LOCK_STS                    0x0080  /* SRC1_LOCK_STS */
+#define WM8994_SRC1_LOCK_STS_MASK               0x0080  /* SRC1_LOCK_STS */
+#define WM8994_SRC1_LOCK_STS_SHIFT                   7  /* SRC1_LOCK_STS */
+#define WM8994_SRC1_LOCK_STS_WIDTH                   1  /* SRC1_LOCK_STS */
+#define WM8994_FLL2_LOCK_STS                    0x0040  /* FLL2_LOCK_STS */
+#define WM8994_FLL2_LOCK_STS_MASK               0x0040  /* FLL2_LOCK_STS */
+#define WM8994_FLL2_LOCK_STS_SHIFT                   6  /* FLL2_LOCK_STS */
+#define WM8994_FLL2_LOCK_STS_WIDTH                   1  /* FLL2_LOCK_STS */
+#define WM8994_FLL1_LOCK_STS                    0x0020  /* FLL1_LOCK_STS */
+#define WM8994_FLL1_LOCK_STS_MASK               0x0020  /* FLL1_LOCK_STS */
+#define WM8994_FLL1_LOCK_STS_SHIFT                   5  /* FLL1_LOCK_STS */
+#define WM8994_FLL1_LOCK_STS_WIDTH                   1  /* FLL1_LOCK_STS */
+#define WM8994_MIC2_SHRT_STS                    0x0010  /* MIC2_SHRT_STS */
+#define WM8994_MIC2_SHRT_STS_MASK               0x0010  /* MIC2_SHRT_STS */
+#define WM8994_MIC2_SHRT_STS_SHIFT                   4  /* MIC2_SHRT_STS */
+#define WM8994_MIC2_SHRT_STS_WIDTH                   1  /* MIC2_SHRT_STS */
+#define WM8994_MIC2_DET_STS                     0x0008  /* MIC2_DET_STS */
+#define WM8994_MIC2_DET_STS_MASK                0x0008  /* MIC2_DET_STS */
+#define WM8994_MIC2_DET_STS_SHIFT                    3  /* MIC2_DET_STS */
+#define WM8994_MIC2_DET_STS_WIDTH                    1  /* MIC2_DET_STS */
+#define WM8994_MIC1_SHRT_STS                    0x0004  /* MIC1_SHRT_STS */
+#define WM8994_MIC1_SHRT_STS_MASK               0x0004  /* MIC1_SHRT_STS */
+#define WM8994_MIC1_SHRT_STS_SHIFT                   2  /* MIC1_SHRT_STS */
+#define WM8994_MIC1_SHRT_STS_WIDTH                   1  /* MIC1_SHRT_STS */
+#define WM8994_MIC1_DET_STS                     0x0002  /* MIC1_DET_STS */
+#define WM8994_MIC1_DET_STS_MASK                0x0002  /* MIC1_DET_STS */
+#define WM8994_MIC1_DET_STS_SHIFT                    1  /* MIC1_DET_STS */
+#define WM8994_MIC1_DET_STS_WIDTH                    1  /* MIC1_DET_STS */
+#define WM8994_TEMP_SHUT_STS                    0x0001  /* TEMP_SHUT_STS */
+#define WM8994_TEMP_SHUT_STS_MASK               0x0001  /* TEMP_SHUT_STS */
+#define WM8994_TEMP_SHUT_STS_SHIFT                   0  /* TEMP_SHUT_STS */
+#define WM8994_TEMP_SHUT_STS_WIDTH                   1  /* TEMP_SHUT_STS */
+
+/*
+ * R1848 (0x738) - Interrupt Status 1 Mask
+ */
+#define WM8994_IM_GP11_EINT                     0x0400  /* IM_GP11_EINT */
+#define WM8994_IM_GP11_EINT_MASK                0x0400  /* IM_GP11_EINT */
+#define WM8994_IM_GP11_EINT_SHIFT                   10  /* IM_GP11_EINT */
+#define WM8994_IM_GP11_EINT_WIDTH                    1  /* IM_GP11_EINT */
+#define WM8994_IM_GP10_EINT                     0x0200  /* IM_GP10_EINT */
+#define WM8994_IM_GP10_EINT_MASK                0x0200  /* IM_GP10_EINT */
+#define WM8994_IM_GP10_EINT_SHIFT                    9  /* IM_GP10_EINT */
+#define WM8994_IM_GP10_EINT_WIDTH                    1  /* IM_GP10_EINT */
+#define WM8994_IM_GP9_EINT                      0x0100  /* IM_GP9_EINT */
+#define WM8994_IM_GP9_EINT_MASK                 0x0100  /* IM_GP9_EINT */
+#define WM8994_IM_GP9_EINT_SHIFT                     8  /* IM_GP9_EINT */
+#define WM8994_IM_GP9_EINT_WIDTH                     1  /* IM_GP9_EINT */
+#define WM8994_IM_GP8_EINT                      0x0080  /* IM_GP8_EINT */
+#define WM8994_IM_GP8_EINT_MASK                 0x0080  /* IM_GP8_EINT */
+#define WM8994_IM_GP8_EINT_SHIFT                     7  /* IM_GP8_EINT */
+#define WM8994_IM_GP8_EINT_WIDTH                     1  /* IM_GP8_EINT */
+#define WM8994_IM_GP7_EINT                      0x0040  /* IM_GP7_EINT */
+#define WM8994_IM_GP7_EINT_MASK                 0x0040  /* IM_GP7_EINT */
+#define WM8994_IM_GP7_EINT_SHIFT                     6  /* IM_GP7_EINT */
+#define WM8994_IM_GP7_EINT_WIDTH                     1  /* IM_GP7_EINT */
+#define WM8994_IM_GP6_EINT                      0x0020  /* IM_GP6_EINT */
+#define WM8994_IM_GP6_EINT_MASK                 0x0020  /* IM_GP6_EINT */
+#define WM8994_IM_GP6_EINT_SHIFT                     5  /* IM_GP6_EINT */
+#define WM8994_IM_GP6_EINT_WIDTH                     1  /* IM_GP6_EINT */
+#define WM8994_IM_GP5_EINT                      0x0010  /* IM_GP5_EINT */
+#define WM8994_IM_GP5_EINT_MASK                 0x0010  /* IM_GP5_EINT */
+#define WM8994_IM_GP5_EINT_SHIFT                     4  /* IM_GP5_EINT */
+#define WM8994_IM_GP5_EINT_WIDTH                     1  /* IM_GP5_EINT */
+#define WM8994_IM_GP4_EINT                      0x0008  /* IM_GP4_EINT */
+#define WM8994_IM_GP4_EINT_MASK                 0x0008  /* IM_GP4_EINT */
+#define WM8994_IM_GP4_EINT_SHIFT                     3  /* IM_GP4_EINT */
+#define WM8994_IM_GP4_EINT_WIDTH                     1  /* IM_GP4_EINT */
+#define WM8994_IM_GP3_EINT                      0x0004  /* IM_GP3_EINT */
+#define WM8994_IM_GP3_EINT_MASK                 0x0004  /* IM_GP3_EINT */
+#define WM8994_IM_GP3_EINT_SHIFT                     2  /* IM_GP3_EINT */
+#define WM8994_IM_GP3_EINT_WIDTH                     1  /* IM_GP3_EINT */
+#define WM8994_IM_GP2_EINT                      0x0002  /* IM_GP2_EINT */
+#define WM8994_IM_GP2_EINT_MASK                 0x0002  /* IM_GP2_EINT */
+#define WM8994_IM_GP2_EINT_SHIFT                     1  /* IM_GP2_EINT */
+#define WM8994_IM_GP2_EINT_WIDTH                     1  /* IM_GP2_EINT */
+#define WM8994_IM_GP1_EINT                      0x0001  /* IM_GP1_EINT */
+#define WM8994_IM_GP1_EINT_MASK                 0x0001  /* IM_GP1_EINT */
+#define WM8994_IM_GP1_EINT_SHIFT                     0  /* IM_GP1_EINT */
+#define WM8994_IM_GP1_EINT_WIDTH                     1  /* IM_GP1_EINT */
+
+/*
+ * R1849 (0x739) - Interrupt Status 2 Mask
+ */
+#define WM8994_IM_TEMP_WARN_EINT                0x8000  /* IM_TEMP_WARN_EINT */
+#define WM8994_IM_TEMP_WARN_EINT_MASK           0x8000  /* IM_TEMP_WARN_EINT */
+#define WM8994_IM_TEMP_WARN_EINT_SHIFT              15  /* IM_TEMP_WARN_EINT */
+#define WM8994_IM_TEMP_WARN_EINT_WIDTH               1  /* IM_TEMP_WARN_EINT */
+#define WM8994_IM_DCS_DONE_EINT                 0x4000  /* IM_DCS_DONE_EINT */
+#define WM8994_IM_DCS_DONE_EINT_MASK            0x4000  /* IM_DCS_DONE_EINT */
+#define WM8994_IM_DCS_DONE_EINT_SHIFT               14  /* IM_DCS_DONE_EINT */
+#define WM8994_IM_DCS_DONE_EINT_WIDTH                1  /* IM_DCS_DONE_EINT */
+#define WM8994_IM_WSEQ_DONE_EINT                0x2000  /* IM_WSEQ_DONE_EINT */
+#define WM8994_IM_WSEQ_DONE_EINT_MASK           0x2000  /* IM_WSEQ_DONE_EINT */
+#define WM8994_IM_WSEQ_DONE_EINT_SHIFT              13  /* IM_WSEQ_DONE_EINT */
+#define WM8994_IM_WSEQ_DONE_EINT_WIDTH               1  /* IM_WSEQ_DONE_EINT */
+#define WM8994_IM_FIFOS_ERR_EINT                0x1000  /* IM_FIFOS_ERR_EINT */
+#define WM8994_IM_FIFOS_ERR_EINT_MASK           0x1000  /* IM_FIFOS_ERR_EINT */
+#define WM8994_IM_FIFOS_ERR_EINT_SHIFT              12  /* IM_FIFOS_ERR_EINT */
+#define WM8994_IM_FIFOS_ERR_EINT_WIDTH               1  /* IM_FIFOS_ERR_EINT */
+#define WM8994_IM_AIF2DRC_SIG_DET_EINT          0x0800  /* IM_AIF2DRC_SIG_DET_EINT */
+#define WM8994_IM_AIF2DRC_SIG_DET_EINT_MASK     0x0800  /* IM_AIF2DRC_SIG_DET_EINT */
+#define WM8994_IM_AIF2DRC_SIG_DET_EINT_SHIFT        11  /* IM_AIF2DRC_SIG_DET_EINT */
+#define WM8994_IM_AIF2DRC_SIG_DET_EINT_WIDTH         1  /* IM_AIF2DRC_SIG_DET_EINT */
+#define WM8994_IM_AIF1DRC2_SIG_DET_EINT         0x0400  /* IM_AIF1DRC2_SIG_DET_EINT */
+#define WM8994_IM_AIF1DRC2_SIG_DET_EINT_MASK    0x0400  /* IM_AIF1DRC2_SIG_DET_EINT */
+#define WM8994_IM_AIF1DRC2_SIG_DET_EINT_SHIFT       10  /* IM_AIF1DRC2_SIG_DET_EINT */
+#define WM8994_IM_AIF1DRC2_SIG_DET_EINT_WIDTH        1  /* IM_AIF1DRC2_SIG_DET_EINT */
+#define WM8994_IM_AIF1DRC1_SIG_DET_EINT         0x0200  /* IM_AIF1DRC1_SIG_DET_EINT */
+#define WM8994_IM_AIF1DRC1_SIG_DET_EINT_MASK    0x0200  /* IM_AIF1DRC1_SIG_DET_EINT */
+#define WM8994_IM_AIF1DRC1_SIG_DET_EINT_SHIFT        9  /* IM_AIF1DRC1_SIG_DET_EINT */
+#define WM8994_IM_AIF1DRC1_SIG_DET_EINT_WIDTH        1  /* IM_AIF1DRC1_SIG_DET_EINT */
+#define WM8994_IM_SRC2_LOCK_EINT                0x0100  /* IM_SRC2_LOCK_EINT */
+#define WM8994_IM_SRC2_LOCK_EINT_MASK           0x0100  /* IM_SRC2_LOCK_EINT */
+#define WM8994_IM_SRC2_LOCK_EINT_SHIFT               8  /* IM_SRC2_LOCK_EINT */
+#define WM8994_IM_SRC2_LOCK_EINT_WIDTH               1  /* IM_SRC2_LOCK_EINT */
+#define WM8994_IM_SRC1_LOCK_EINT                0x0080  /* IM_SRC1_LOCK_EINT */
+#define WM8994_IM_SRC1_LOCK_EINT_MASK           0x0080  /* IM_SRC1_LOCK_EINT */
+#define WM8994_IM_SRC1_LOCK_EINT_SHIFT               7  /* IM_SRC1_LOCK_EINT */
+#define WM8994_IM_SRC1_LOCK_EINT_WIDTH               1  /* IM_SRC1_LOCK_EINT */
+#define WM8994_IM_FLL2_LOCK_EINT                0x0040  /* IM_FLL2_LOCK_EINT */
+#define WM8994_IM_FLL2_LOCK_EINT_MASK           0x0040  /* IM_FLL2_LOCK_EINT */
+#define WM8994_IM_FLL2_LOCK_EINT_SHIFT               6  /* IM_FLL2_LOCK_EINT */
+#define WM8994_IM_FLL2_LOCK_EINT_WIDTH               1  /* IM_FLL2_LOCK_EINT */
+#define WM8994_IM_FLL1_LOCK_EINT                0x0020  /* IM_FLL1_LOCK_EINT */
+#define WM8994_IM_FLL1_LOCK_EINT_MASK           0x0020  /* IM_FLL1_LOCK_EINT */
+#define WM8994_IM_FLL1_LOCK_EINT_SHIFT               5  /* IM_FLL1_LOCK_EINT */
+#define WM8994_IM_FLL1_LOCK_EINT_WIDTH               1  /* IM_FLL1_LOCK_EINT */
+#define WM8994_IM_MIC2_SHRT_EINT                0x0010  /* IM_MIC2_SHRT_EINT */
+#define WM8994_IM_MIC2_SHRT_EINT_MASK           0x0010  /* IM_MIC2_SHRT_EINT */
+#define WM8994_IM_MIC2_SHRT_EINT_SHIFT               4  /* IM_MIC2_SHRT_EINT */
+#define WM8994_IM_MIC2_SHRT_EINT_WIDTH               1  /* IM_MIC2_SHRT_EINT */
+#define WM8994_IM_MIC2_DET_EINT                 0x0008  /* IM_MIC2_DET_EINT */
+#define WM8994_IM_MIC2_DET_EINT_MASK            0x0008  /* IM_MIC2_DET_EINT */
+#define WM8994_IM_MIC2_DET_EINT_SHIFT                3  /* IM_MIC2_DET_EINT */
+#define WM8994_IM_MIC2_DET_EINT_WIDTH                1  /* IM_MIC2_DET_EINT */
+#define WM8994_IM_MIC1_SHRT_EINT                0x0004  /* IM_MIC1_SHRT_EINT */
+#define WM8994_IM_MIC1_SHRT_EINT_MASK           0x0004  /* IM_MIC1_SHRT_EINT */
+#define WM8994_IM_MIC1_SHRT_EINT_SHIFT               2  /* IM_MIC1_SHRT_EINT */
+#define WM8994_IM_MIC1_SHRT_EINT_WIDTH               1  /* IM_MIC1_SHRT_EINT */
+#define WM8994_IM_MIC1_DET_EINT                 0x0002  /* IM_MIC1_DET_EINT */
+#define WM8994_IM_MIC1_DET_EINT_MASK            0x0002  /* IM_MIC1_DET_EINT */
+#define WM8994_IM_MIC1_DET_EINT_SHIFT                1  /* IM_MIC1_DET_EINT */
+#define WM8994_IM_MIC1_DET_EINT_WIDTH                1  /* IM_MIC1_DET_EINT */
+#define WM8994_IM_TEMP_SHUT_EINT                0x0001  /* IM_TEMP_SHUT_EINT */
+#define WM8994_IM_TEMP_SHUT_EINT_MASK           0x0001  /* IM_TEMP_SHUT_EINT */
+#define WM8994_IM_TEMP_SHUT_EINT_SHIFT               0  /* IM_TEMP_SHUT_EINT */
+#define WM8994_IM_TEMP_SHUT_EINT_WIDTH               1  /* IM_TEMP_SHUT_EINT */
+
+/*
+ * R1856 (0x740) - Interrupt Control
+ */
+#define WM8994_IM_IRQ                           0x0001  /* IM_IRQ */
+#define WM8994_IM_IRQ_MASK                      0x0001  /* IM_IRQ */
+#define WM8994_IM_IRQ_SHIFT                          0  /* IM_IRQ */
+#define WM8994_IM_IRQ_WIDTH                          1  /* IM_IRQ */
+
+/*
+ * R1864 (0x748) - IRQ Debounce
+ */
+#define WM8994_TEMP_WARN_DB                     0x0020  /* TEMP_WARN_DB */
+#define WM8994_TEMP_WARN_DB_MASK                0x0020  /* TEMP_WARN_DB */
+#define WM8994_TEMP_WARN_DB_SHIFT                    5  /* TEMP_WARN_DB */
+#define WM8994_TEMP_WARN_DB_WIDTH                    1  /* TEMP_WARN_DB */
+#define WM8994_MIC2_SHRT_DB                     0x0010  /* MIC2_SHRT_DB */
+#define WM8994_MIC2_SHRT_DB_MASK                0x0010  /* MIC2_SHRT_DB */
+#define WM8994_MIC2_SHRT_DB_SHIFT                    4  /* MIC2_SHRT_DB */
+#define WM8994_MIC2_SHRT_DB_WIDTH                    1  /* MIC2_SHRT_DB */
+#define WM8994_MIC2_DET_DB                      0x0008  /* MIC2_DET_DB */
+#define WM8994_MIC2_DET_DB_MASK                 0x0008  /* MIC2_DET_DB */
+#define WM8994_MIC2_DET_DB_SHIFT                     3  /* MIC2_DET_DB */
+#define WM8994_MIC2_DET_DB_WIDTH                     1  /* MIC2_DET_DB */
+#define WM8994_MIC1_SHRT_DB                     0x0004  /* MIC1_SHRT_DB */
+#define WM8994_MIC1_SHRT_DB_MASK                0x0004  /* MIC1_SHRT_DB */
+#define WM8994_MIC1_SHRT_DB_SHIFT                    2  /* MIC1_SHRT_DB */
+#define WM8994_MIC1_SHRT_DB_WIDTH                    1  /* MIC1_SHRT_DB */
+#define WM8994_MIC1_DET_DB                      0x0002  /* MIC1_DET_DB */
+#define WM8994_MIC1_DET_DB_MASK                 0x0002  /* MIC1_DET_DB */
+#define WM8994_MIC1_DET_DB_SHIFT                     1  /* MIC1_DET_DB */
+#define WM8994_MIC1_DET_DB_WIDTH                     1  /* MIC1_DET_DB */
+#define WM8994_TEMP_SHUT_DB                     0x0001  /* TEMP_SHUT_DB */
+#define WM8994_TEMP_SHUT_DB_MASK                0x0001  /* TEMP_SHUT_DB */
+#define WM8994_TEMP_SHUT_DB_SHIFT                    0  /* TEMP_SHUT_DB */
+#define WM8994_TEMP_SHUT_DB_WIDTH                    1  /* TEMP_SHUT_DB */
+
+#endif
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 8b2fa8593c61..e70f21beb4b4 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -12,6 +12,7 @@
 #include <linux/prio_tree.h>
 #include <linux/debug_locks.h>
 #include <linux/mm_types.h>
+#include <linux/range.h>
 
 struct mempolicy;
 struct anon_vma;
@@ -869,6 +870,114 @@ extern int mprotect_fixup(struct vm_area_struct *vma,
  */
 int __get_user_pages_fast(unsigned long start, int nr_pages, int write,
 			  struct page **pages);
+/*
+ * per-process(per-mm_struct) statistics.
+ */
+#if defined(SPLIT_RSS_COUNTING)
+/*
+ * The mm counters are not protected by its page_table_lock,
+ * so must be incremented atomically.
+ */
+static inline void set_mm_counter(struct mm_struct *mm, int member, long value)
+{
+	atomic_long_set(&mm->rss_stat.count[member], value);
+}
+
+unsigned long get_mm_counter(struct mm_struct *mm, int member);
+
+static inline void add_mm_counter(struct mm_struct *mm, int member, long value)
+{
+	atomic_long_add(value, &mm->rss_stat.count[member]);
+}
+
+static inline void inc_mm_counter(struct mm_struct *mm, int member)
+{
+	atomic_long_inc(&mm->rss_stat.count[member]);
+}
+
+static inline void dec_mm_counter(struct mm_struct *mm, int member)
+{
+	atomic_long_dec(&mm->rss_stat.count[member]);
+}
+
+#else  /* !USE_SPLIT_PTLOCKS */
+/*
+ * The mm counters are protected by its page_table_lock,
+ * so can be incremented directly.
+ */
+static inline void set_mm_counter(struct mm_struct *mm, int member, long value)
+{
+	mm->rss_stat.count[member] = value;
+}
+
+static inline unsigned long get_mm_counter(struct mm_struct *mm, int member)
+{
+	return mm->rss_stat.count[member];
+}
+
+static inline void add_mm_counter(struct mm_struct *mm, int member, long value)
+{
+	mm->rss_stat.count[member] += value;
+}
+
+static inline void inc_mm_counter(struct mm_struct *mm, int member)
+{
+	mm->rss_stat.count[member]++;
+}
+
+static inline void dec_mm_counter(struct mm_struct *mm, int member)
+{
+	mm->rss_stat.count[member]--;
+}
+
+#endif /* !USE_SPLIT_PTLOCKS */
+
+static inline unsigned long get_mm_rss(struct mm_struct *mm)
+{
+	return get_mm_counter(mm, MM_FILEPAGES) +
+		get_mm_counter(mm, MM_ANONPAGES);
+}
+
+static inline unsigned long get_mm_hiwater_rss(struct mm_struct *mm)
+{
+	return max(mm->hiwater_rss, get_mm_rss(mm));
+}
+
+static inline unsigned long get_mm_hiwater_vm(struct mm_struct *mm)
+{
+	return max(mm->hiwater_vm, mm->total_vm);
+}
+
+static inline void update_hiwater_rss(struct mm_struct *mm)
+{
+	unsigned long _rss = get_mm_rss(mm);
+
+	if ((mm)->hiwater_rss < _rss)
+		(mm)->hiwater_rss = _rss;
+}
+
+static inline void update_hiwater_vm(struct mm_struct *mm)
+{
+	if (mm->hiwater_vm < mm->total_vm)
+		mm->hiwater_vm = mm->total_vm;
+}
+
+static inline void setmax_mm_hiwater_rss(unsigned long *maxrss,
+					 struct mm_struct *mm)
+{
+	unsigned long hiwater_rss = get_mm_hiwater_rss(mm);
+
+	if (*maxrss < hiwater_rss)
+		*maxrss = hiwater_rss;
+}
+
+#if defined(SPLIT_RSS_COUNTING)
+void sync_mm_rss(struct task_struct *task, struct mm_struct *mm);
+#else
+static inline void sync_mm_rss(struct task_struct *task, struct mm_struct *mm)
+{
+}
+#endif
 
 /*
  * A callback you can register to apply pressure to ageable caches.
@@ -1049,6 +1158,10 @@ extern void get_pfn_range_for_nid(unsigned int nid,
 extern unsigned long find_min_pfn_with_active_regions(void);
 extern void free_bootmem_with_active_regions(int nid,
 						unsigned long max_low_pfn);
+int add_from_early_node_map(struct range *range, int az,
+				   int nr_range, int nid);
+void *__alloc_memory_core_early(int nodeid, u64 size, u64 align,
+				 u64 goal, u64 limit);
 typedef int (*work_fn_t)(unsigned long, unsigned long, void *);
 extern void work_with_active_regions(int nid, work_fn_t work_fn, void *data);
 extern void sparse_memory_present_with_active_regions(int nid);
@@ -1081,11 +1194,7 @@ extern void si_meminfo(struct sysinfo * val);
 extern void si_meminfo_node(struct sysinfo *val, int nid);
 extern int after_bootmem;
 
-#ifdef CONFIG_NUMA
 extern void setup_per_cpu_pageset(void);
-#else
-static inline void setup_per_cpu_pageset(void) {}
-#endif
 
 extern void zone_pcp_update(struct zone *zone);
 
@@ -1113,7 +1222,7 @@ static inline void vma_nonlinear_insert(struct vm_area_struct *vma,
 
 /* mmap.c */
 extern int __vm_enough_memory(struct mm_struct *mm, long pages, int cap_sys_admin);
-extern void vma_adjust(struct vm_area_struct *vma, unsigned long start,
+extern int vma_adjust(struct vm_area_struct *vma, unsigned long start,
 	unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert);
 extern struct vm_area_struct *vma_merge(struct mm_struct *,
 	struct vm_area_struct *prev, unsigned long addr, unsigned long end,
@@ -1321,12 +1430,19 @@ extern int randomize_va_space;
 const char * arch_vma_name(struct vm_area_struct *vma);
 void print_vma_addr(char *prefix, unsigned long rip);
 
+void sparse_mem_maps_populate_node(struct page **map_map,
+				   unsigned long pnum_begin,
+				   unsigned long pnum_end,
+				   unsigned long map_count,
+				   int nodeid);
+
 struct page *sparse_mem_map_populate(unsigned long pnum, int nid);
 pgd_t *vmemmap_pgd_populate(unsigned long addr, int node);
 pud_t *vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node);
 pmd_t *vmemmap_pmd_populate(pud_t *pud, unsigned long addr, int node);
 pte_t *vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node);
 void *vmemmap_alloc_block(unsigned long size, int node);
+void *vmemmap_alloc_block_buf(unsigned long size, int node);
 void vmemmap_verify(pte_t *, int, unsigned long, unsigned long);
 int vmemmap_populate_basepages(struct page *start_page,
 						unsigned long pages, int node);
@@ -1349,5 +1465,7 @@ extern void shake_page(struct page *p, int access);
 extern atomic_long_t mce_bad_pages;
 extern int soft_offline_page(struct page *page, int flags);
 
+extern void dump_page(struct page *page);
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_MM_H */
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 36f96271306c..b8bb9a6a1f37 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -24,12 +24,6 @@ struct address_space;
 
 #define USE_SPLIT_PTLOCKS	(NR_CPUS >= CONFIG_SPLIT_PTLOCK_CPUS)
 
-#if USE_SPLIT_PTLOCKS
-typedef atomic_long_t mm_counter_t;
-#else  /* !USE_SPLIT_PTLOCKS */
-typedef unsigned long mm_counter_t;
-#endif /* !USE_SPLIT_PTLOCKS */
-
 /*
  * Each physical page in the system has a struct page associated with
  * it to keep track of whatever it is we are using the page for at the
@@ -169,7 +163,8 @@ struct vm_area_struct {
 	 * can only be in the i_mmap tree.  An anonymous MAP_PRIVATE, stack
 	 * or brk vma (with NULL file) can only be in an anon_vma list.
 	 */
-	struct list_head anon_vma_node;	/* Serialized by anon_vma->lock */
+	struct list_head anon_vma_chain; /* Serialized by mmap_sem &
+					  * page_table_lock */
 	struct anon_vma *anon_vma;	/* Serialized by page_table_lock */
 
 	/* Function pointers to deal with this struct. */
@@ -201,6 +196,29 @@ struct core_state {
 	struct completion startup;
 };
 
+enum {
+	MM_FILEPAGES,
+	MM_ANONPAGES,
+	MM_SWAPENTS,
+	NR_MM_COUNTERS
+};
+
+#if USE_SPLIT_PTLOCKS && defined(CONFIG_MMU)
+#define SPLIT_RSS_COUNTING
+struct mm_rss_stat {
+	atomic_long_t count[NR_MM_COUNTERS];
+};
+/* per-thread cached information, */
+struct task_rss_stat {
+	int events;	/* for synchronization threshold */
+	int count[NR_MM_COUNTERS];
+};
+#else  /* !USE_SPLIT_PTLOCKS */
+struct mm_rss_stat {
+	unsigned long count[NR_MM_COUNTERS];
+};
+#endif /* !USE_SPLIT_PTLOCKS */
+
 struct mm_struct {
 	struct vm_area_struct * mmap;		/* list of VMAs */
 	struct rb_root mm_rb;
@@ -227,11 +245,6 @@ struct mm_struct {
 						 * by mmlist_lock
 						 */
 
-	/* Special counters, in some configurations protected by the
-	 * page_table_lock, in other configurations by being atomic.
-	 */
-	mm_counter_t _file_rss;
-	mm_counter_t _anon_rss;
 
 	unsigned long hiwater_rss;	/* High-watermark of RSS usage */
 	unsigned long hiwater_vm;	/* High-water virtual memory usage */
@@ -244,6 +257,12 @@ struct mm_struct {
 
 	unsigned long saved_auxv[AT_VECTOR_SIZE]; /* for /proc/PID/auxv */
 
+	/*
+	 * Special counters, in some configurations protected by the
+	 * page_table_lock, in other configurations by being atomic.
+	 */
+	struct mm_rss_stat rss_stat;
+
 	struct linux_binfmt *binfmt;
 
 	cpumask_t cpu_vm_mask;
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 2ee22e8af110..d02d2c6e0cfe 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -99,6 +99,8 @@ struct mmc_card {
 #define MMC_STATE_BLOCKADDR	(1<<3)		/* card uses block-addressing */
 	unsigned int		quirks; 	/* card quirks */
 #define MMC_QUIRK_LENIENT_FN0	(1<<0)		/* allow SDIO FN0 writes outside of the VS CCCR range */
+#define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1)	/* use func->cur_blksize */
+						/* for byte mode */
 
 	u32			raw_cid[4];	/* raw card CID */
 	u32			raw_csd[4];	/* raw card CSD */
@@ -139,6 +141,11 @@ static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
 	return c->quirks & MMC_QUIRK_LENIENT_FN0;
 }
 
+static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
+{
+	return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
+}
+
 #define mmc_card_name(c)	((c)->cid.prod_name)
 #define mmc_card_id(c)		(dev_name(&(c)->dev))
 
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index eaf36364b7d4..43eaf5ca5848 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -14,6 +14,7 @@
 #include <linux/sched.h>
 
 #include <linux/mmc/core.h>
+#include <linux/mmc/pm.h>
 
 struct mmc_ios {
 	unsigned int	clock;			/* clock rate */
@@ -152,6 +153,8 @@ struct mmc_host {
 #define MMC_CAP_NONREMOVABLE	(1 << 8)	/* Nonremovable e.g. eMMC */
 #define MMC_CAP_WAIT_WHILE_BUSY	(1 << 9)	/* Waits while card is busy */
 
+	mmc_pm_flag_t		pm_caps;	/* supported pm features */
+
 	/* host specific block data */
 	unsigned int		max_seg_size;	/* see blk_queue_max_segment_size */
 	unsigned short		max_hw_segs;	/* see blk_queue_max_hw_segments */
@@ -197,6 +200,8 @@ struct mmc_host {
 	struct task_struct	*sdio_irq_thread;
 	atomic_t		sdio_irq_thread_abort;
 
+	mmc_pm_flag_t		pm_flags;	/* requested pm features */
+
 #ifdef CONFIG_LEDS_TRIGGERS
 	struct led_trigger	*led;		/* activity led */
 #endif
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index c02c8db73701..8a49cbf0376d 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -268,6 +268,7 @@ struct _mmc_csd {
 
 #define EXT_CSD_CARD_TYPE_26	(1<<0)	/* Card can run at 26MHz */
 #define EXT_CSD_CARD_TYPE_52	(1<<1)	/* Card can run at 52MHz */
+#define EXT_CSD_CARD_TYPE_MASK	0x3	/* Mask out reserved and DDR bits */
 
 #define EXT_CSD_BUS_WIDTH_1	0	/* Card is in 1 bit mode */
 #define EXT_CSD_BUS_WIDTH_4	1	/* Card is in 4 bit mode */
diff --git a/include/linux/mmc/pm.h b/include/linux/mmc/pm.h
new file mode 100644
index 000000000000..d37aac49cf9a
--- /dev/null
+++ b/include/linux/mmc/pm.h
@@ -0,0 +1,30 @@
+/*
+ * linux/include/linux/mmc/pm.h
+ *
+ * Author:	Nicolas Pitre
+ * Copyright:	(C) 2009 Marvell Technology Group Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef LINUX_MMC_PM_H
+#define LINUX_MMC_PM_H
+
+/*
+ * These flags are used to describe power management features that
+ * some cards (typically SDIO cards) might wish to benefit from when
+ * the host system is being suspended.  There are several layers of
+ * abstractions involved, from the host controller driver, to the MMC core
+ * code, to the SDIO core code, to finally get to the actual SDIO function
+ * driver.  This file is therefore used for common definitions shared across
+ * all those layers.
+ */
+
+typedef unsigned int mmc_pm_flag_t;
+
+#define MMC_PM_KEEP_POWER	(1 << 0)	/* preserve card power during suspend */
+#define MMC_PM_WAKE_SDIO_IRQ	(1 << 1)	/* wake up host system on SDIO IRQ assertion */
+
+#endif
diff --git a/include/linux/mmc/sdio.h b/include/linux/mmc/sdio.h
index 47ba464f5170..0ebaef577ff5 100644
--- a/include/linux/mmc/sdio.h
+++ b/include/linux/mmc/sdio.h
@@ -95,6 +95,8 @@
 #define  SDIO_BUS_WIDTH_1BIT	0x00
 #define  SDIO_BUS_WIDTH_4BIT	0x02
 
+#define  SDIO_BUS_ASYNC_INT	0x20
+
 #define  SDIO_BUS_CD_DISABLE     0x80	/* disable pull-up on DAT3 (pin 1) */
 
 #define SDIO_CCCR_CAPS		0x08
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
index ac3ab683fec6..c6c0cceba5fe 100644
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -15,6 +15,8 @@
 #include <linux/device.h>
 #include <linux/mod_devicetable.h>
 
+#include <linux/mmc/pm.h>
+
 struct mmc_card;
 struct sdio_func;
 
@@ -153,5 +155,8 @@ extern unsigned char sdio_f0_readb(struct sdio_func *func,
 extern void sdio_f0_writeb(struct sdio_func *func, unsigned char b,
 	unsigned int addr, int *err_ret);
 
+extern mmc_pm_flag_t sdio_get_host_pm_caps(struct sdio_func *func);
+extern int sdio_set_host_pm_flags(struct sdio_func *func, mmc_pm_flag_t flags);
+
 #endif
 
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 30fe668c2542..cf9e458e96b0 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -184,13 +184,7 @@ struct per_cpu_pageset {
 	s8 stat_threshold;
 	s8 vm_stat_diff[NR_VM_ZONE_STAT_ITEMS];
 #endif
-} ____cacheline_aligned_in_smp;
-
-#ifdef CONFIG_NUMA
-#define zone_pcp(__z, __cpu) ((__z)->pageset[(__cpu)])
-#else
-#define zone_pcp(__z, __cpu) (&(__z)->pageset[(__cpu)])
-#endif
+};
 
 #endif /* !__GENERATING_BOUNDS.H */
 
@@ -306,14 +300,13 @@ struct zone {
 	 */
 	unsigned long		min_unmapped_pages;
 	unsigned long		min_slab_pages;
-	struct per_cpu_pageset	*pageset[NR_CPUS];
-#else
-	struct per_cpu_pageset	pageset[NR_CPUS];
 #endif
+	struct per_cpu_pageset __percpu *pageset;
 	/*
 	 * free areas of different sizes
 	 */
 	spinlock_t		lock;
+	int                     all_unreclaimable; /* All pages pinned */
 #ifdef CONFIG_MEMORY_HOTPLUG
 	/* see spanned/present_pages for more description */
 	seqlock_t		span_seqlock;
@@ -349,7 +342,7 @@ struct zone {
 	 * prev_priority holds the scanning priority for this zone.  It is
 	 * defined as the scanning priority at which we achieved our reclaim
 	 * target at the previous try_to_free_pages() or balance_pgdat()
-	 * invokation.
+	 * invocation.
 	 *
 	 * We use prev_priority as a measure of how much stress page reclaim is
 	 * under - it drives the swappiness decision: whether to unmap mapped
@@ -425,7 +418,6 @@ struct zone {
 } ____cacheline_internodealigned_in_smp;
 
 typedef enum {
-	ZONE_ALL_UNRECLAIMABLE,		/* all pages pinned */
 	ZONE_RECLAIM_LOCKED,		/* prevents concurrent reclaim */
 	ZONE_OOM_LOCKED,		/* zone is in OOM killer zonelist */
 } zone_flags_t;
@@ -445,11 +437,6 @@ static inline void zone_clear_flag(struct zone *zone, zone_flags_t flag)
 	clear_bit(flag, &zone->flags);
 }
 
-static inline int zone_is_all_unreclaimable(const struct zone *zone)
-{
-	return test_bit(ZONE_ALL_UNRECLAIMABLE, &zone->flags);
-}
-
 static inline int zone_is_reclaim_locked(const struct zone *zone)
 {
 	return test_bit(ZONE_RECLAIM_LOCKED, &zone->flags);
@@ -620,7 +607,9 @@ typedef struct pglist_data {
 	struct page_cgroup *node_page_cgroup;
 #endif
 #endif
+#ifndef CONFIG_NO_BOOTMEM
 	struct bootmem_data *bdata;
+#endif
 #ifdef CONFIG_MEMORY_HOTPLUG
 	/*
 	 * Must be held any time you expect node_start_pfn, node_present_pages
diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h
index d74785c2393a..0b89efc6f215 100644
--- a/include/linux/mnt_namespace.h
+++ b/include/linux/mnt_namespace.h
@@ -35,6 +35,7 @@ static inline void get_mnt_ns(struct mnt_namespace *ns)
 extern const struct seq_operations mounts_op;
 extern const struct seq_operations mountinfo_op;
 extern const struct seq_operations mountstats_op;
+extern int mnt_had_events(struct proc_mounts *);
 
 #endif
 #endif
diff --git a/include/linux/module.h b/include/linux/module.h
index 6cb1a3cab5d3..5e869ffd34aa 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -17,7 +17,7 @@
 #include <linux/moduleparam.h>
 #include <linux/tracepoint.h>
 
-#include <asm/local.h>
+#include <linux/percpu.h>
 #include <asm/module.h>
 
 #include <trace/events/module.h>
@@ -175,6 +175,7 @@ struct notifier_block;
 
 #ifdef CONFIG_MODULES
 
+extern int modules_disabled; /* for sysctl */
 /* Get/put a kernel symbol (calls must be symmetric) */
 void *__symbol_get(const char *symbol);
 void *__symbol_get_gpl(const char *symbol);
@@ -363,11 +364,9 @@ struct module
 	/* Destruction function. */
 	void (*exit)(void);
 
-#ifdef CONFIG_SMP
-	char *refptr;
-#else
-	local_t ref;
-#endif
+	struct module_ref {
+		int count;
+	} __percpu *refptr;
 #endif
 
 #ifdef CONFIG_CONSTRUCTORS
@@ -454,25 +453,16 @@ void __symbol_put(const char *symbol);
 #define symbol_put(x) __symbol_put(MODULE_SYMBOL_PREFIX #x)
 void symbol_put_addr(void *addr);
 
-static inline local_t *__module_ref_addr(struct module *mod, int cpu)
-{
-#ifdef CONFIG_SMP
-	return (local_t *) (mod->refptr + per_cpu_offset(cpu));
-#else
-	return &mod->ref;
-#endif
-}
-
 /* Sometimes we know we already have a refcount, and it's easier not
    to handle the error case (which only happens with rmmod --wait). */
 static inline void __module_get(struct module *module)
 {
 	if (module) {
-		unsigned int cpu = get_cpu();
-		local_inc(__module_ref_addr(module, cpu));
+		preempt_disable();
+		__this_cpu_inc(module->refptr->count);
 		trace_module_get(module, _THIS_IP_,
-				 local_read(__module_ref_addr(module, cpu)));
-		put_cpu();
+				 __this_cpu_read(module->refptr->count));
+		preempt_enable();
 	}
 }
 
@@ -481,15 +471,17 @@ static inline int try_module_get(struct module *module)
 	int ret = 1;
 
 	if (module) {
-		unsigned int cpu = get_cpu();
+		preempt_disable();
+
 		if (likely(module_is_live(module))) {
-			local_inc(__module_ref_addr(module, cpu));
+			__this_cpu_inc(module->refptr->count);
 			trace_module_get(module, _THIS_IP_,
-				local_read(__module_ref_addr(module, cpu)));
+				__this_cpu_read(module->refptr->count));
 		}
 		else
 			ret = 0;
-		put_cpu();
+
+		preempt_enable();
 	}
 	return ret;
 }
diff --git a/include/linux/mount.h b/include/linux/mount.h
index 5d5275364867..4bd05474d11d 100644
--- a/include/linux/mount.h
+++ b/include/linux/mount.h
@@ -34,7 +34,18 @@ struct mnt_namespace;
 
 #define MNT_SHARED	0x1000	/* if the vfsmount is a shared mount */
 #define MNT_UNBINDABLE	0x2000	/* if the vfsmount is a unbindable mount */
-#define MNT_PNODE_MASK	0x3000	/* propagation flag mask */
+/*
+ * MNT_SHARED_MASK is the set of flags that should be cleared when a
+ * mount becomes shared.  Currently, this is only the flag that says a
+ * mount cannot be bind mounted, since this is how we create a mount
+ * that shares events with another mount.  If you add a new MNT_*
+ * flag, consider how it interacts with shared mounts.
+ */
+#define MNT_SHARED_MASK	(MNT_UNBINDABLE)
+#define MNT_PROPAGATION_MASK	(MNT_SHARED | MNT_UNBINDABLE)
+
+
+#define MNT_INTERNAL	0x4000
 
 struct vfsmount {
 	struct list_head mnt_hash;
@@ -66,7 +77,7 @@ struct vfsmount {
 	int mnt_pinned;
 	int mnt_ghosts;
 #ifdef CONFIG_SMP
-	int *mnt_writers;
+	int __percpu *mnt_writers;
 #else
 	int mnt_writers;
 #endif
@@ -123,7 +134,6 @@ extern int do_add_mount(struct vfsmount *newmnt, struct path *path,
 
 extern void mark_mounts_for_expiry(struct list_head *mounts);
 
-extern spinlock_t vfsmount_lock;
 extern dev_t name_to_dev_t(char *name);
 
 #endif /* _LINUX_MOUNT_H */
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index ce38f1caa5e1..34066e65fdeb 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -15,6 +15,7 @@
 #define MSDOS_DPB_BITS	4		/* log2(MSDOS_DPB) */
 #define MSDOS_DPS	(SECTOR_SIZE / sizeof(struct msdos_dir_entry))
 #define MSDOS_DPS_BITS	4		/* log2(MSDOS_DPS) */
+#define MSDOS_LONGNAME	256		/* maximum name length */
 #define CF_LE_W(v)	le16_to_cpu(v)
 #define CF_LE_L(v)	le32_to_cpu(v)
 #define CT_LE_W(v)	cpu_to_le16(v)
@@ -47,8 +48,8 @@
 #define DELETED_FLAG	0xe5	/* marks file as deleted when in name[0] */
 #define IS_FREE(n)	(!*(n) || *(n) == DELETED_FLAG)
 
+#define FAT_LFN_LEN	255	/* maximum long name length */
 #define MSDOS_NAME	11	/* maximum name length */
-#define MSDOS_LONGNAME	256	/* maximum name length */
 #define MSDOS_SLOTS	21	/* max # of slots for short and long names */
 #define MSDOS_DOT	".          "	/* ".", padded to MSDOS_NAME chars */
 #define MSDOS_DOTDOT	"..         "	/* "..", padded to MSDOS_NAME chars */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index c79a88be7c33..fa8b47637997 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -2059,12 +2059,12 @@ static inline void skb_bond_set_mac_by_master(struct sk_buff *skb,
  * duplicates except for 802.3ad ETH_P_SLOW, alb non-mcast/bcast, and
  * ARP on active-backup slaves with arp_validate enabled.
  */
-static inline int skb_bond_should_drop(struct sk_buff *skb)
+static inline int skb_bond_should_drop(struct sk_buff *skb,
+				       struct net_device *master)
 {
-	struct net_device *dev = skb->dev;
-	struct net_device *master = dev->master;
-
 	if (master) {
+		struct net_device *dev = skb->dev;
+
 		if (master->priv_flags & IFF_MASTER_ARPMON)
 			dev->last_rx = jiffies;
 
diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h
index 53923868c9bd..361d6b5630ee 100644
--- a/include/linux/netfilter/nfnetlink.h
+++ b/include/linux/netfilter/nfnetlink.h
@@ -76,7 +76,7 @@ extern int nfnetlink_subsys_unregister(const struct nfnetlink_subsystem *n);
 extern int nfnetlink_has_listeners(struct net *net, unsigned int group);
 extern int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, unsigned group,
 			  int echo, gfp_t flags);
-extern void nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error);
+extern int nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error);
 extern int nfnetlink_unicast(struct sk_buff *skb, struct net *net, u_int32_t pid, int flags);
 
 extern void nfnl_lock(void);
diff --git a/include/linux/netfilter_ipv6.h b/include/linux/netfilter_ipv6.h
index d654873aa25a..1f7e300094cd 100644
--- a/include/linux/netfilter_ipv6.h
+++ b/include/linux/netfilter_ipv6.h
@@ -59,6 +59,7 @@
 enum nf_ip6_hook_priorities {
 	NF_IP6_PRI_FIRST = INT_MIN,
 	NF_IP6_PRI_CONNTRACK_DEFRAG = -400,
+	NF_IP6_PRI_RAW = -300,
 	NF_IP6_PRI_SELINUX_FIRST = -225,
 	NF_IP6_PRI_CONNTRACK = -200,
 	NF_IP6_PRI_MANGLE = -150,
diff --git a/include/linux/netlink.h b/include/linux/netlink.h
index fde27c017326..6eaca5e1e8ca 100644
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@@ -188,7 +188,7 @@ extern int netlink_has_listeners(struct sock *sk, unsigned int group);
 extern int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 pid, int nonblock);
 extern int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, __u32 pid,
 			     __u32 group, gfp_t allocation);
-extern void netlink_set_err(struct sock *ssk, __u32 pid, __u32 group, int code);
+extern int netlink_set_err(struct sock *ssk, __u32 pid, __u32 group, int code);
 extern int netlink_register_notifier(struct notifier_block *nb);
 extern int netlink_unregister_notifier(struct notifier_block *nb);
 
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index d09db1bc9083..1a0b85aa151e 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -33,9 +33,6 @@
 #define FLUSH_STABLE		4	/* commit to stable storage */
 #define FLUSH_LOWPRI		8	/* low priority background flush */
 #define FLUSH_HIGHPRI		16	/* high priority memory reclaim flush */
-#define FLUSH_NOCOMMIT		32	/* Don't send the NFSv3/v4 COMMIT */
-#define FLUSH_INVALIDATE	64	/* Invalidate the page cache */
-#define FLUSH_NOWRITEPAGE	128	/* Don't call writepage() */
 
 #ifdef __KERNEL__
 
@@ -166,6 +163,7 @@ struct nfs_inode {
 	struct radix_tree_root	nfs_page_tree;
 
 	unsigned long		npages;
+	unsigned long		ncommit;
 
 	/* Open contexts for shared mmap writes */
 	struct list_head	open_files;
@@ -349,7 +347,6 @@ extern int nfs_attribute_timeout(struct inode *inode);
 extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode);
 extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *);
 extern int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping);
-extern int nfs_revalidate_mapping_nolock(struct inode *inode, struct address_space *mapping);
 extern int nfs_setattr(struct dentry *, struct iattr *);
 extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr);
 extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx);
@@ -477,21 +474,12 @@ extern int nfs_writeback_done(struct rpc_task *, struct nfs_write_data *);
  * Try to write back everything synchronously (but check the
  * return value!)
  */
-extern long nfs_sync_mapping_wait(struct address_space *, struct writeback_control *, int);
 extern int nfs_wb_all(struct inode *inode);
-extern int nfs_wb_nocommit(struct inode *inode);
 extern int nfs_wb_page(struct inode *inode, struct page* page);
 extern int nfs_wb_page_cancel(struct inode *inode, struct page* page);
 #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4)
-extern int  nfs_commit_inode(struct inode *, int);
 extern struct nfs_write_data *nfs_commitdata_alloc(void);
 extern void nfs_commit_free(struct nfs_write_data *wdata);
-#else
-static inline int
-nfs_commit_inode(struct inode *inode, int how)
-{
-	return 0;
-}
 #endif
 
 static inline int
diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 34fc6be5bfcf..717a5e54eb1d 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -105,7 +105,7 @@ struct nfs_server {
 	struct rpc_clnt *	client;		/* RPC client handle */
 	struct rpc_clnt *	client_acl;	/* ACL RPC client handle */
 	struct nlm_host		*nlm_host;	/* NLM client handle */
-	struct nfs_iostats *	io_stats;	/* I/O statistics */
+	struct nfs_iostats __percpu *io_stats;	/* I/O statistics */
 	struct backing_dev_info	backing_dev_info;
 	atomic_long_t		writeback;	/* number of writeback pages */
 	int			flags;		/* various flags */
@@ -193,6 +193,8 @@ struct nfs4_slot_table {
 	int		max_slots;		/* # slots in table */
 	int		highest_used_slotid;	/* sent to server on each SEQ.
 						 * op for dynamic resizing */
+	int		target_max_slots;	/* Set by CB_RECALL_SLOT as
+						 * the new max_slots */
 };
 
 static inline int slot_idx(struct nfs4_slot_table *tbl, struct nfs4_slot *sp)
diff --git a/include/linux/nilfs2_fs.h b/include/linux/nilfs2_fs.h
index 3fe02cf8b65a..640702e97457 100644
--- a/include/linux/nilfs2_fs.h
+++ b/include/linux/nilfs2_fs.h
@@ -153,6 +153,7 @@ struct nilfs_super_root {
 						   semantics also for data */
 #define NILFS_MOUNT_NORECOVERY		0x4000  /* Disable write access during
 						   mount-time recovery */
+#define NILFS_MOUNT_DISCARD		0x8000  /* Issue DISCARD requests */
 
 
 /**
diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h
index 454997cccbd8..dba35e413371 100644
--- a/include/linux/nodemask.h
+++ b/include/linux/nodemask.h
@@ -69,8 +69,6 @@
  * int node_online(node)		Is some node online?
  * int node_possible(node)		Is some node possible?
  *
- * int any_online_node(mask)		First online node in mask
- *
  * node_set_online(node)		set bit 'node' in node_online_map
  * node_set_offline(node)		clear bit 'node' in node_online_map
  *
@@ -467,15 +465,6 @@ static inline int num_node_state(enum node_states state)
 #define node_online_map 	node_states[N_ONLINE]
 #define node_possible_map 	node_states[N_POSSIBLE]
 
-#define any_online_node(mask)			\
-({						\
-	int node;				\
-	for_each_node_mask(node, (mask))	\
-		if (node_online(node))		\
-			break;			\
-	node;					\
-})
-
 #define num_online_nodes()	num_node_state(N_ONLINE)
 #define num_possible_nodes()	num_node_state(N_POSSIBLE)
 #define node_online(node)	node_state((node), N_ONLINE)
@@ -494,7 +483,7 @@ static inline int num_node_state(enum node_states state)
 			type *name = kmalloc(sizeof(*name), gfp_flags)
 #define NODEMASK_FREE(m)			kfree(m)
 #else
-#define NODEMASK_ALLOC(type, name, gfp_flags)	type _name, *name = &_name
+#define NODEMASK_ALLOC(type, name, gfp_flags)	type _##name, *name = &_##name
 #define NODEMASK_FREE(m)			do {} while (0)
 #endif
 
diff --git a/include/linux/of.h b/include/linux/of.h
index f6d9cbc39c9c..a367e19bb3af 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -127,7 +127,7 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size)
 
 /* Default string compare functions, Allow arch asm/prom.h to override */
 #if !defined(of_compat_cmp)
-#define of_compat_cmp(s1, s2, l)	strncasecmp((s1), (s2), (l))
+#define of_compat_cmp(s1, s2, l)	strcasecmp((s1), (s2))
 #define of_prop_cmp(s1, s2)		strcmp((s1), (s2))
 #define of_node_cmp(s1, s2)		strcasecmp((s1), (s2))
 #endif
diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h
index b0e4eb126236..30b08136fdf3 100644
--- a/include/linux/page_cgroup.h
+++ b/include/linux/page_cgroup.h
@@ -118,6 +118,8 @@ static inline void __init page_cgroup_init_flatmem(void)
 #include <linux/swap.h>
 
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
+extern unsigned short swap_cgroup_cmpxchg(swp_entry_t ent,
+					unsigned short old, unsigned short new);
 extern unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id);
 extern unsigned short lookup_swap_cgroup(swp_entry_t ent);
 extern int swap_cgroup_swapon(int type, unsigned long max_pages);
diff --git a/include/linux/pci-dma.h b/include/linux/pci-dma.h
new file mode 100644
index 000000000000..549a041f9c08
--- /dev/null
+++ b/include/linux/pci-dma.h
@@ -0,0 +1,11 @@
+#ifndef _LINUX_PCI_DMA_H
+#define _LINUX_PCI_DMA_H
+
+#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) DEFINE_DMA_UNMAP_ADDR(ADDR_NAME);
+#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)   DEFINE_DMA_UNMAP_LEN(LEN_NAME);
+#define pci_unmap_addr             dma_unmap_addr
+#define pci_unmap_addr_set         dma_unmap_addr_set
+#define pci_unmap_len              dma_unmap_len
+#define pci_unmap_len_set          dma_unmap_len_set
+
+#endif
diff --git a/include/linux/pci.h b/include/linux/pci.h
index ec95ebe629f1..a788fa12ff31 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -678,6 +678,8 @@ enum pci_lost_interrupt_reason pci_lost_interrupt(struct pci_dev *dev);
 int pci_find_capability(struct pci_dev *dev, int cap);
 int pci_find_next_capability(struct pci_dev *dev, u8 pos, int cap);
 int pci_find_ext_capability(struct pci_dev *dev, int cap);
+int pci_bus_find_ext_capability(struct pci_bus *bus, unsigned int devfn,
+				int cap);
 int pci_find_ht_capability(struct pci_dev *dev, int ht_cap);
 int pci_find_next_ht_capability(struct pci_dev *dev, int pos, int ht_cap);
 struct pci_bus *pci_find_next_bus(const struct pci_bus *from);
@@ -767,8 +769,6 @@ int pci_try_set_mwi(struct pci_dev *dev);
 void pci_clear_mwi(struct pci_dev *dev);
 void pci_intx(struct pci_dev *dev, int enable);
 void pci_msi_off(struct pci_dev *dev);
-int pci_set_dma_mask(struct pci_dev *dev, u64 mask);
-int pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask);
 int pci_set_dma_max_seg_size(struct pci_dev *dev, unsigned int size);
 int pci_set_dma_seg_boundary(struct pci_dev *dev, unsigned long mask);
 int pcix_get_max_mmrbc(struct pci_dev *dev);
@@ -902,6 +902,7 @@ int pci_set_vga_state(struct pci_dev *pdev, bool decode,
 		      unsigned int command_bits, bool change_bridge);
 /* kmem_cache style wrapper around pci_alloc_consistent() */
 
+#include <linux/pci-dma.h>
 #include <linux/dmapool.h>
 
 #define	pci_pool dma_pool
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 0be824320580..9f688d243b86 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -770,7 +770,6 @@
 #define PCI_VENDOR_ID_TI		0x104c
 #define PCI_DEVICE_ID_TI_TVP4020	0x3d07
 #define PCI_DEVICE_ID_TI_4450		0x8011
-#define PCI_DEVICE_ID_TI_TSB43AB22	0x8023
 #define PCI_DEVICE_ID_TI_XX21_XX11	0x8031
 #define PCI_DEVICE_ID_TI_XX21_XX11_FM	0x8033
 #define PCI_DEVICE_ID_TI_XX21_XX11_SD	0x8034
@@ -2333,6 +2332,8 @@
 #define PCI_VENDOR_ID_KORENIX		0x1982
 #define PCI_DEVICE_ID_KORENIX_JETCARDF0	0x1600
 #define PCI_DEVICE_ID_KORENIX_JETCARDF1	0x16ff
+#define PCI_DEVICE_ID_KORENIX_JETCARDF2	0x1700
+#define PCI_DEVICE_ID_KORENIX_JETCARDF3	0x17ff
 
 #define PCI_VENDOR_ID_QMI		0x1a32
 
@@ -2697,6 +2698,7 @@
 #define PCI_DEVICE_ID_NETMOS_9835	0x9835
 #define PCI_DEVICE_ID_NETMOS_9845	0x9845
 #define PCI_DEVICE_ID_NETMOS_9855	0x9855
+#define PCI_DEVICE_ID_NETMOS_9865	0x9865
 #define PCI_DEVICE_ID_NETMOS_9901	0x9901
 
 #define PCI_VENDOR_ID_3COM_2		0xa727
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h
index 9f2ad0aa3c39..c8f302991b66 100644
--- a/include/linux/pci_regs.h
+++ b/include/linux/pci_regs.h
@@ -507,6 +507,7 @@
 #define PCI_EXT_CAP_ID_VC	2
 #define PCI_EXT_CAP_ID_DSN	3
 #define PCI_EXT_CAP_ID_PWR	4
+#define PCI_EXT_CAP_ID_VNDR	11
 #define PCI_EXT_CAP_ID_ACS	13
 #define PCI_EXT_CAP_ID_ARI	14
 #define PCI_EXT_CAP_ID_ATS	15
diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h
index 5a5d6ce4bd55..68567c0b3a5d 100644
--- a/include/linux/percpu-defs.h
+++ b/include/linux/percpu-defs.h
@@ -2,12 +2,6 @@
 #define _LINUX_PERCPU_DEFS_H
 
 /*
- * Determine the real variable name from the name visible in the
- * kernel sources.
- */
-#define per_cpu_var(var) per_cpu__##var
-
-/*
  * Base implementations of per-CPU variable declarations and definitions, where
  * the section in which the variable is to be placed is provided by the
  * 'sec' argument.  This may be used to affect the parameters governing the
@@ -18,13 +12,23 @@
  * that section.
  */
 #define __PCPU_ATTRS(sec)						\
-	__attribute__((section(PER_CPU_BASE_SECTION sec)))		\
+	__percpu __attribute__((section(PER_CPU_BASE_SECTION sec)))	\
 	PER_CPU_ATTRIBUTES
 
 #define __PCPU_DUMMY_ATTRS						\
 	__attribute__((section(".discard"), unused))
 
 /*
+ * Macro which verifies @ptr is a percpu pointer without evaluating
+ * @ptr.  This is to be used in percpu accessors to verify that the
+ * input parameter is a percpu pointer.
+ */
+#define __verify_pcpu_ptr(ptr)	do {					\
+	const void __percpu *__vpp_verify = (typeof(ptr))NULL;		\
+	(void)__vpp_verify;						\
+} while (0)
+
+/*
  * s390 and alpha modules require percpu variables to be defined as
  * weak to force the compiler to generate GOT based external
  * references for them.  This is necessary because percpu sections
@@ -56,24 +60,24 @@
  */
 #define DECLARE_PER_CPU_SECTION(type, name, sec)			\
 	extern __PCPU_DUMMY_ATTRS char __pcpu_scope_##name;		\
-	extern __PCPU_ATTRS(sec) __typeof__(type) per_cpu__##name
+	extern __PCPU_ATTRS(sec) __typeof__(type) name
 
 #define DEFINE_PER_CPU_SECTION(type, name, sec)				\
 	__PCPU_DUMMY_ATTRS char __pcpu_scope_##name;			\
 	extern __PCPU_DUMMY_ATTRS char __pcpu_unique_##name;		\
 	__PCPU_DUMMY_ATTRS char __pcpu_unique_##name;			\
 	__PCPU_ATTRS(sec) PER_CPU_DEF_ATTRIBUTES __weak			\
-	__typeof__(type) per_cpu__##name
+	__typeof__(type) name
 #else
 /*
  * Normal declaration and definition macros.
  */
 #define DECLARE_PER_CPU_SECTION(type, name, sec)			\
-	extern __PCPU_ATTRS(sec) __typeof__(type) per_cpu__##name
+	extern __PCPU_ATTRS(sec) __typeof__(type) name
 
 #define DEFINE_PER_CPU_SECTION(type, name, sec)				\
 	__PCPU_ATTRS(sec) PER_CPU_DEF_ATTRIBUTES			\
-	__typeof__(type) per_cpu__##name
+	__typeof__(type) name
 #endif
 
 /*
@@ -135,10 +139,16 @@
 	__aligned(PAGE_SIZE)
 
 /*
- * Intermodule exports for per-CPU variables.
+ * Intermodule exports for per-CPU variables.  sparse forgets about
+ * address space across EXPORT_SYMBOL(), change EXPORT_SYMBOL() to
+ * noop if __CHECKER__.
  */
-#define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(per_cpu__##var)
-#define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(per_cpu__##var)
-
+#ifndef __CHECKER__
+#define EXPORT_PER_CPU_SYMBOL(var) EXPORT_SYMBOL(var)
+#define EXPORT_PER_CPU_SYMBOL_GPL(var) EXPORT_SYMBOL_GPL(var)
+#else
+#define EXPORT_PER_CPU_SYMBOL(var)
+#define EXPORT_PER_CPU_SYMBOL_GPL(var)
+#endif
 
 #endif /* _LINUX_PERCPU_DEFS_H */
diff --git a/include/linux/percpu.h b/include/linux/percpu.h
index cf5efbcf716c..a93e5bfdccb8 100644
--- a/include/linux/percpu.h
+++ b/include/linux/percpu.h
@@ -27,10 +27,17 @@
  * we force a syntax error here if it isn't.
  */
 #define get_cpu_var(var) (*({				\
-	extern int simple_identifier_##var(void);	\
 	preempt_disable();				\
 	&__get_cpu_var(var); }))
-#define put_cpu_var(var) preempt_enable()
+
+/*
+ * The weird & is necessary because sparse considers (void)(var) to be
+ * a direct dereference of percpu variable (var).
+ */
+#define put_cpu_var(var) do {				\
+	(void)&(var);					\
+	preempt_enable();				\
+} while (0)
 
 #ifdef CONFIG_SMP
 
@@ -127,9 +134,9 @@ extern int __init pcpu_page_first_chunk(size_t reserved_size,
  */
 #define per_cpu_ptr(ptr, cpu)	SHIFT_PERCPU_PTR((ptr), per_cpu_offset((cpu)))
 
-extern void *__alloc_reserved_percpu(size_t size, size_t align);
-extern void *__alloc_percpu(size_t size, size_t align);
-extern void free_percpu(void *__pdata);
+extern void __percpu *__alloc_reserved_percpu(size_t size, size_t align);
+extern void __percpu *__alloc_percpu(size_t size, size_t align);
+extern void free_percpu(void __percpu *__pdata);
 extern phys_addr_t per_cpu_ptr_to_phys(void *addr);
 
 #ifndef CONFIG_HAVE_SETUP_PER_CPU_AREA
@@ -140,7 +147,7 @@ extern void __init setup_per_cpu_areas(void);
 
 #define per_cpu_ptr(ptr, cpu) ({ (void)(cpu); (ptr); })
 
-static inline void *__alloc_percpu(size_t size, size_t align)
+static inline void __percpu *__alloc_percpu(size_t size, size_t align)
 {
 	/*
 	 * Can't easily make larger alignment work with kmalloc.  WARN
@@ -151,7 +158,7 @@ static inline void *__alloc_percpu(size_t size, size_t align)
 	return kzalloc(size, GFP_KERNEL);
 }
 
-static inline void free_percpu(void *p)
+static inline void free_percpu(void __percpu *p)
 {
 	kfree(p);
 }
@@ -171,7 +178,7 @@ static inline void *pcpu_lpage_remapped(void *kaddr)
 #endif /* CONFIG_SMP */
 
 #define alloc_percpu(type)	\
-	(typeof(type) *)__alloc_percpu(sizeof(type), __alignof__(type))
+	(typeof(type) __percpu *)__alloc_percpu(sizeof(type), __alignof__(type))
 
 /*
  * Optional methods for optimized non-lvalue per-cpu variable access.
@@ -188,17 +195,19 @@ static inline void *pcpu_lpage_remapped(void *kaddr)
 #ifndef percpu_read
 # define percpu_read(var)						\
   ({									\
-	typeof(per_cpu_var(var)) __tmp_var__;				\
-	__tmp_var__ = get_cpu_var(var);					\
-	put_cpu_var(var);						\
-	__tmp_var__;							\
+	typeof(var) *pr_ptr__ = &(var);					\
+	typeof(var) pr_ret__;						\
+	pr_ret__ = get_cpu_var(*pr_ptr__);				\
+	put_cpu_var(*pr_ptr__);						\
+	pr_ret__;							\
   })
 #endif
 
 #define __percpu_generic_to_op(var, val, op)				\
 do {									\
-	get_cpu_var(var) op val;					\
-	put_cpu_var(var);						\
+	typeof(var) *pgto_ptr__ = &(var);				\
+	get_cpu_var(*pgto_ptr__) op val;				\
+	put_cpu_var(*pgto_ptr__);					\
 } while (0)
 
 #ifndef percpu_write
@@ -234,6 +243,7 @@ extern void __bad_size_call_parameter(void);
 
 #define __pcpu_size_call_return(stem, variable)				\
 ({	typeof(variable) pscr_ret__;					\
+	__verify_pcpu_ptr(&(variable));					\
 	switch(sizeof(variable)) {					\
 	case 1: pscr_ret__ = stem##1(variable);break;			\
 	case 2: pscr_ret__ = stem##2(variable);break;			\
@@ -247,6 +257,7 @@ extern void __bad_size_call_parameter(void);
 
 #define __pcpu_size_call(stem, variable, ...)				\
 do {									\
+	__verify_pcpu_ptr(&(variable));					\
 	switch(sizeof(variable)) {					\
 		case 1: stem##1(variable, __VA_ARGS__);break;		\
 		case 2: stem##2(variable, __VA_ARGS__);break;		\
@@ -259,8 +270,7 @@ do {									\
 
 /*
  * Optimized manipulation for memory allocated through the per cpu
- * allocator or for addresses of per cpu variables (can be determined
- * using per_cpu_var(xx).
+ * allocator or for addresses of per cpu variables.
  *
  * These operation guarantee exclusivity of access for other operations
  * on the *same* processor. The assumption is that per cpu data is only
@@ -311,7 +321,7 @@ do {									\
 #define _this_cpu_generic_to_op(pcp, val, op)				\
 do {									\
 	preempt_disable();						\
-	*__this_cpu_ptr(&pcp) op val;					\
+	*__this_cpu_ptr(&(pcp)) op val;					\
 	preempt_enable();						\
 } while (0)
 
diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h
index 794662b2be5d..c88d67b59394 100644
--- a/include/linux/percpu_counter.h
+++ b/include/linux/percpu_counter.h
@@ -21,7 +21,7 @@ struct percpu_counter {
 #ifdef CONFIG_HOTPLUG_CPU
 	struct list_head list;	/* All percpu_counters are on a list */
 #endif
-	s32 *counters;
+	s32 __percpu *counters;
 };
 
 extern int percpu_counter_batch;
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 7b18b4fd5df7..95477038a72a 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -452,6 +452,8 @@ enum perf_callchain_context {
 #include <linux/fs.h>
 #include <linux/pid_namespace.h>
 #include <linux/workqueue.h>
+#include <linux/ftrace.h>
+#include <linux/cpu.h>
 #include <asm/atomic.h>
 
 #define PERF_MAX_STACK_DEPTH		255
@@ -487,9 +489,8 @@ struct hw_perf_event {
 			struct hrtimer	hrtimer;
 		};
 #ifdef CONFIG_HAVE_HW_BREAKPOINT
-		union { /* breakpoint */
-			struct arch_hw_breakpoint	info;
-		};
+		/* breakpoint */
+		struct arch_hw_breakpoint	info;
 #endif
 	};
 	atomic64_t			prev_count;
@@ -802,6 +803,13 @@ struct perf_sample_data {
 	struct perf_raw_record		*raw;
 };
 
+static inline
+void perf_sample_data_init(struct perf_sample_data *data, u64 addr)
+{
+	data->addr = addr;
+	data->raw  = NULL;
+}
+
 extern void perf_output_sample(struct perf_output_handle *handle,
 			       struct perf_event_header *header,
 			       struct perf_sample_data *data,
@@ -841,6 +849,44 @@ perf_sw_event(u32 event_id, u64 nr, int nmi, struct pt_regs *regs, u64 addr)
 		__perf_sw_event(event_id, nr, nmi, regs, addr);
 }
 
+extern void
+perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip);
+
+/*
+ * Take a snapshot of the regs. Skip ip and frame pointer to
+ * the nth caller. We only need a few of the regs:
+ * - ip for PERF_SAMPLE_IP
+ * - cs for user_mode() tests
+ * - bp for callchains
+ * - eflags, for future purposes, just in case
+ */
+static inline void perf_fetch_caller_regs(struct pt_regs *regs, int skip)
+{
+	unsigned long ip;
+
+	memset(regs, 0, sizeof(*regs));
+
+	switch (skip) {
+	case 1 :
+		ip = CALLER_ADDR0;
+		break;
+	case 2 :
+		ip = CALLER_ADDR1;
+		break;
+	case 3 :
+		ip = CALLER_ADDR2;
+		break;
+	case 4:
+		ip = CALLER_ADDR3;
+		break;
+	/* No need to support further for now */
+	default:
+		ip = 0;
+	}
+
+	return perf_arch_fetch_caller_regs(regs, ip, skip);
+}
+
 extern void __perf_event_mmap(struct vm_area_struct *vma);
 
 static inline void perf_event_mmap(struct vm_area_struct *vma)
@@ -858,8 +904,24 @@ extern int sysctl_perf_event_paranoid;
 extern int sysctl_perf_event_mlock;
 extern int sysctl_perf_event_sample_rate;
 
+static inline bool perf_paranoid_tracepoint_raw(void)
+{
+	return sysctl_perf_event_paranoid > -1;
+}
+
+static inline bool perf_paranoid_cpu(void)
+{
+	return sysctl_perf_event_paranoid > 0;
+}
+
+static inline bool perf_paranoid_kernel(void)
+{
+	return sysctl_perf_event_paranoid > 1;
+}
+
 extern void perf_event_init(void);
-extern void perf_tp_event(int event_id, u64 addr, u64 count, void *record, int entry_size);
+extern void perf_tp_event(int event_id, u64 addr, u64 count, void *record,
+			  int entry_size, struct pt_regs *regs);
 extern void perf_bp_event(struct perf_event *event, void *data);
 
 #ifndef perf_misc_flags
@@ -915,5 +977,21 @@ static inline void perf_event_disable(struct perf_event *event)		{ }
 #define perf_output_put(handle, x) \
 	perf_output_copy((handle), &(x), sizeof(x))
 
+/*
+ * This has to have a higher priority than migration_notifier in sched.c.
+ */
+#define perf_cpu_notifier(fn)					\
+do {								\
+	static struct notifier_block fn##_nb __cpuinitdata =	\
+		{ .notifier_call = fn, .priority = 20 };	\
+	fn(&fn##_nb, (unsigned long)CPU_UP_PREPARE,		\
+		(void *)(unsigned long)smp_processor_id());	\
+	fn(&fn##_nb, (unsigned long)CPU_STARTING,		\
+		(void *)(unsigned long)smp_processor_id());	\
+	fn(&fn##_nb, (unsigned long)CPU_ONLINE,			\
+		(void *)(unsigned long)smp_processor_id());	\
+	register_cpu_notifier(&fn##_nb);			\
+} while (0)
+
 #endif /* __KERNEL__ */
 #endif /* _LINUX_PERF_EVENT_H */
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 71ff887ca44e..212da17d06af 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -21,7 +21,7 @@ struct platform_device {
 	u32		num_resources;
 	struct resource	* resource;
 
-	struct platform_device_id	*id_entry;
+	const struct platform_device_id	*id_entry;
 
 	/* arch specific additions */
 	struct pdev_archdata	archdata;
@@ -62,7 +62,7 @@ struct platform_driver {
 	int (*suspend)(struct platform_device *, pm_message_t state);
 	int (*resume)(struct platform_device *);
 	struct device_driver driver;
-	struct platform_device_id *id_table;
+	const struct platform_device_id *id_table;
 };
 
 extern int platform_driver_register(struct platform_driver *);
@@ -77,6 +77,11 @@ extern int platform_driver_probe(struct platform_driver *driver,
 #define platform_get_drvdata(_dev)	dev_get_drvdata(&(_dev)->dev)
 #define platform_set_drvdata(_dev,data)	dev_set_drvdata(&(_dev)->dev, (data))
 
+extern struct platform_device *platform_create_bundle(struct platform_driver *driver,
+					int (*probe)(struct platform_device *),
+					struct resource *res, unsigned int n_res,
+					const void *data, size_t size);
+
 /* early platform driver interface */
 struct early_platform_driver {
 	const char *class_str;
diff --git a/include/linux/pm.h b/include/linux/pm.h
index e80df06ad22a..8e258c727971 100644
--- a/include/linux/pm.h
+++ b/include/linux/pm.h
@@ -215,20 +215,59 @@ struct dev_pm_ops {
 	int (*runtime_idle)(struct device *dev);
 };
 
+#ifdef CONFIG_PM_SLEEP
+#define SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
+	.suspend = suspend_fn, \
+	.resume = resume_fn, \
+	.freeze = suspend_fn, \
+	.thaw = resume_fn, \
+	.poweroff = suspend_fn, \
+	.restore = resume_fn,
+#else
+#define SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn)
+#endif
+
+#ifdef CONFIG_PM_RUNTIME
+#define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
+	.runtime_suspend = suspend_fn, \
+	.runtime_resume = resume_fn, \
+	.runtime_idle = idle_fn,
+#else
+#define SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn)
+#endif
+
 /*
  * Use this if you want to use the same suspend and resume callbacks for suspend
  * to RAM and hibernation.
  */
 #define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \
 const struct dev_pm_ops name = { \
-	.suspend = suspend_fn, \
-	.resume = resume_fn, \
-	.freeze = suspend_fn, \
-	.thaw = resume_fn, \
-	.poweroff = suspend_fn, \
-	.restore = resume_fn, \
+	SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
+}
+
+/*
+ * Use this for defining a set of PM operations to be used in all situations
+ * (sustem suspend, hibernation or runtime PM).
+ */
+#define UNIVERSAL_DEV_PM_OPS(name, suspend_fn, resume_fn, idle_fn) \
+const struct dev_pm_ops name = { \
+	SET_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
+	SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
 }
 
+/*
+ * Use this for subsystems (bus types, device types, device classes) that don't
+ * need any special suspend/resume handling in addition to invoking the PM
+ * callbacks provided by device drivers supporting both the system sleep PM and
+ * runtime PM, make the pm member point to generic_subsys_pm_ops.
+ */
+#ifdef CONFIG_PM_OPS
+extern struct dev_pm_ops generic_subsys_pm_ops;
+#define GENERIC_SUBSYS_PM_OPS	(&generic_subsys_pm_ops)
+#else
+#define GENERIC_SUBSYS_PM_OPS	NULL
+#endif
+
 /**
  * PM_EVENT_ messages
  *
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h
index 7d773aac5314..b776db737244 100644
--- a/include/linux/pm_runtime.h
+++ b/include/linux/pm_runtime.h
@@ -62,6 +62,11 @@ static inline void device_set_run_wake(struct device *dev, bool enable)
 	dev->power.run_wake = enable;
 }
 
+static inline bool pm_runtime_suspended(struct device *dev)
+{
+	return dev->power.runtime_status == RPM_SUSPENDED;
+}
+
 #else /* !CONFIG_PM_RUNTIME */
 
 static inline int pm_runtime_idle(struct device *dev) { return -ENOSYS; }
@@ -89,6 +94,7 @@ static inline void pm_runtime_get_noresume(struct device *dev) {}
 static inline void pm_runtime_put_noidle(struct device *dev) {}
 static inline bool device_run_wake(struct device *dev) { return false; }
 static inline void device_set_run_wake(struct device *dev, bool enable) {}
+static inline bool pm_runtime_suspended(struct device *dev) { return false; }
 
 #endif /* !CONFIG_PM_RUNTIME */
 
diff --git a/include/linux/poll.h b/include/linux/poll.h
index 6673743946f7..600cc1fde64d 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -10,8 +10,10 @@
 #include <linux/wait.h>
 #include <linux/string.h>
 #include <linux/fs.h>
+#include <linux/sysctl.h>
 #include <asm/uaccess.h>
 
+extern struct ctl_table epoll_table[]; /* for sysctl */
 /* ~832 bytes of stack space used max in sys_select/sys_poll before allocating
    additional memory. */
 #define MAX_STACK_ALLOC 832
diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index b5d096d3a9be..ebd2b8fb00d0 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -82,6 +82,7 @@ enum power_supply_property {
 	POWER_SUPPLY_PROP_PRESENT,
 	POWER_SUPPLY_PROP_ONLINE,
 	POWER_SUPPLY_PROP_TECHNOLOGY,
+	POWER_SUPPLY_PROP_CYCLE_COUNT,
 	POWER_SUPPLY_PROP_VOLTAGE_MAX,
 	POWER_SUPPLY_PROP_VOLTAGE_MIN,
 	POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index c5eab89da51e..e1fb60729979 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -264,6 +264,9 @@ static inline void user_enable_single_step(struct task_struct *task)
 static inline void user_disable_single_step(struct task_struct *task)
 {
 }
+#else
+extern void user_enable_single_step(struct task_struct *);
+extern void user_disable_single_step(struct task_struct *);
 #endif	/* arch_has_single_step */
 
 #ifndef arch_has_block_step
@@ -291,6 +294,8 @@ static inline void user_enable_block_step(struct task_struct *task)
 {
 	BUG();			/* This can never be called.  */
 }
+#else
+extern void user_enable_block_step(struct task_struct *);
 #endif	/* arch_has_block_step */
 
 #ifdef ARCH_HAS_USER_SINGLE_STEP_INFO
diff --git a/include/linux/quota.h b/include/linux/quota.h
index a6861f117480..b462916b2a0a 100644
--- a/include/linux/quota.h
+++ b/include/linux/quota.h
@@ -279,9 +279,6 @@ struct dquot {
 	struct mem_dqblk dq_dqb;	/* Diskquota usage */
 };
 
-#define QUOTA_OK          0
-#define NO_QUOTA          1
-
 /* Operations which must be implemented by each quota format */
 struct quota_format_ops {
 	int (*check_quota_file)(struct super_block *sb, int type);	/* Detect whether file is in our format */
@@ -295,13 +292,6 @@ struct quota_format_ops {
 
 /* Operations working with dquots */
 struct dquot_operations {
-	int (*initialize) (struct inode *, int);
-	int (*drop) (struct inode *);
-	int (*alloc_space) (struct inode *, qsize_t, int);
-	int (*alloc_inode) (const struct inode *, qsize_t);
-	int (*free_space) (struct inode *, qsize_t);
-	int (*free_inode) (const struct inode *, qsize_t);
-	int (*transfer) (struct inode *, struct iattr *);
 	int (*write_dquot) (struct dquot *);		/* Ordinary dquot write */
 	struct dquot *(*alloc_dquot)(struct super_block *, int);	/* Allocate memory for new dquot */
 	void (*destroy_dquot)(struct dquot *);		/* Free memory for dquot */
@@ -309,12 +299,6 @@ struct dquot_operations {
 	int (*release_dquot) (struct dquot *);		/* Quota is going to be deleted from disk */
 	int (*mark_dirty) (struct dquot *);		/* Dquot is marked dirty */
 	int (*write_info) (struct super_block *, int);	/* Write of quota "superblock" */
-	/* reserve quota for delayed block allocation */
-	int (*reserve_space) (struct inode *, qsize_t, int);
-	/* claim reserved quota for delayed alloc */
-	int (*claim_space) (struct inode *, qsize_t);
-	/* release rsved quota for delayed alloc */
-	void (*release_rsv) (struct inode *, qsize_t);
 	/* get reserved quota for delayed alloc, value returned is managed by
 	 * quota code only */
 	qsize_t *(*get_reserved_space) (struct inode *);
@@ -324,7 +308,7 @@ struct dquot_operations {
 struct quotactl_ops {
 	int (*quota_on)(struct super_block *, int, int, char *, int);
 	int (*quota_off)(struct super_block *, int, int);
-	int (*quota_sync)(struct super_block *, int);
+	int (*quota_sync)(struct super_block *, int, int);
 	int (*get_info)(struct super_block *, int, struct if_dqinfo *);
 	int (*set_info)(struct super_block *, int, struct if_dqinfo *);
 	int (*get_dqblk)(struct super_block *, int, qid_t, struct if_dqblk *);
@@ -357,26 +341,25 @@ enum {
 #define DQUOT_STATE_FLAGS	(DQUOT_USAGE_ENABLED | DQUOT_LIMITS_ENABLED | \
 				 DQUOT_SUSPENDED)
 /* Other quota flags */
-#define DQUOT_QUOTA_SYS_FILE	(1 << 6)	/* Quota file is a special
+#define DQUOT_STATE_LAST	(_DQUOT_STATE_FLAGS * MAXQUOTAS)
+#define DQUOT_QUOTA_SYS_FILE	(1 << DQUOT_STATE_LAST)
+						/* Quota file is a special
 						 * system file and user cannot
 						 * touch it. Filesystem is
 						 * responsible for setting
 						 * S_NOQUOTA, S_NOATIME flags
 						 */
-#define DQUOT_NEGATIVE_USAGE	(1 << 7)	/* Allow negative quota usage */
+#define DQUOT_NEGATIVE_USAGE	(1 << (DQUOT_STATE_LAST + 1))
+					       /* Allow negative quota usage */
 
 static inline unsigned int dquot_state_flag(unsigned int flags, int type)
 {
-	if (type == USRQUOTA)
-		return flags;
-	return flags << _DQUOT_STATE_FLAGS;
+	return flags << _DQUOT_STATE_FLAGS * type;
 }
 
 static inline unsigned int dquot_generic_flag(unsigned int flags, int type)
 {
-	if (type == USRQUOTA)
-		return flags;
-	return flags >> _DQUOT_STATE_FLAGS;
+	return (flags >> _DQUOT_STATE_FLAGS * type) & DQUOT_STATE_FLAGS;
 }
 
 #ifdef CONFIG_QUOTA_NETLINK_INTERFACE
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 3ebb23153640..e6fa7acce290 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -19,15 +19,12 @@ static inline struct quota_info *sb_dqopt(struct super_block *sb)
 /*
  * declaration of quota_function calls in kernel.
  */
-void sync_quota_sb(struct super_block *sb, int type);
-static inline void writeout_quota_sb(struct super_block *sb, int type)
-{
-	if (sb->s_qcop->quota_sync)
-		sb->s_qcop->quota_sync(sb, type);
-}
+void inode_add_rsv_space(struct inode *inode, qsize_t number);
+void inode_claim_rsv_space(struct inode *inode, qsize_t number);
+void inode_sub_rsv_space(struct inode *inode, qsize_t number);
 
-int dquot_initialize(struct inode *inode, int type);
-int dquot_drop(struct inode *inode);
+void dquot_initialize(struct inode *inode);
+void dquot_drop(struct inode *inode);
 struct dquot *dqget(struct super_block *sb, unsigned int id, int type);
 void dqput(struct dquot *dquot);
 int dquot_scan_active(struct super_block *sb,
@@ -36,24 +33,23 @@ int dquot_scan_active(struct super_block *sb,
 struct dquot *dquot_alloc(struct super_block *sb, int type);
 void dquot_destroy(struct dquot *dquot);
 
-int dquot_alloc_space(struct inode *inode, qsize_t number, int prealloc);
-int dquot_alloc_inode(const struct inode *inode, qsize_t number);
+int __dquot_alloc_space(struct inode *inode, qsize_t number,
+		int warn, int reserve);
+void __dquot_free_space(struct inode *inode, qsize_t number, int reserve);
 
-int dquot_reserve_space(struct inode *inode, qsize_t number, int prealloc);
-int dquot_claim_space(struct inode *inode, qsize_t number);
-void dquot_release_reserved_space(struct inode *inode, qsize_t number);
-qsize_t dquot_get_reserved_space(struct inode *inode);
+int dquot_alloc_inode(const struct inode *inode);
 
-int dquot_free_space(struct inode *inode, qsize_t number);
-int dquot_free_inode(const struct inode *inode, qsize_t number);
+int dquot_claim_space_nodirty(struct inode *inode, qsize_t number);
+void dquot_free_inode(const struct inode *inode);
 
-int dquot_transfer(struct inode *inode, struct iattr *iattr);
 int dquot_commit(struct dquot *dquot);
 int dquot_acquire(struct dquot *dquot);
 int dquot_release(struct dquot *dquot);
 int dquot_commit_info(struct super_block *sb, int type);
 int dquot_mark_dquot_dirty(struct dquot *dquot);
 
+int dquot_file_open(struct inode *inode, struct file *file);
+
 int vfs_quota_on(struct super_block *sb, int type, int format_id,
  	char *path, int remount);
 int vfs_quota_enable(struct inode *inode, int type, int format_id,
@@ -64,14 +60,13 @@ int vfs_quota_on_mount(struct super_block *sb, char *qf_name,
  	int format_id, int type);
 int vfs_quota_off(struct super_block *sb, int type, int remount);
 int vfs_quota_disable(struct super_block *sb, int type, unsigned int flags);
-int vfs_quota_sync(struct super_block *sb, int type);
+int vfs_quota_sync(struct super_block *sb, int type, int wait);
 int vfs_get_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
 int vfs_set_dqinfo(struct super_block *sb, int type, struct if_dqinfo *ii);
 int vfs_get_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
 int vfs_set_dqblk(struct super_block *sb, int type, qid_t id, struct if_dqblk *di);
 
-void vfs_dq_drop(struct inode *inode);
-int vfs_dq_transfer(struct inode *inode, struct iattr *iattr);
+int dquot_transfer(struct inode *inode, struct iattr *iattr);
 int vfs_dq_quota_on_remount(struct super_block *sb);
 
 static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type)
@@ -83,53 +78,56 @@ static inline struct mem_dqinfo *sb_dqinfo(struct super_block *sb, int type)
  * Functions for checking status of quota
  */
 
-static inline int sb_has_quota_usage_enabled(struct super_block *sb, int type)
+static inline bool sb_has_quota_usage_enabled(struct super_block *sb, int type)
 {
 	return sb_dqopt(sb)->flags &
 				dquot_state_flag(DQUOT_USAGE_ENABLED, type);
 }
 
-static inline int sb_has_quota_limits_enabled(struct super_block *sb, int type)
+static inline bool sb_has_quota_limits_enabled(struct super_block *sb, int type)
 {
 	return sb_dqopt(sb)->flags &
 				dquot_state_flag(DQUOT_LIMITS_ENABLED, type);
 }
 
-static inline int sb_has_quota_suspended(struct super_block *sb, int type)
+static inline bool sb_has_quota_suspended(struct super_block *sb, int type)
 {
 	return sb_dqopt(sb)->flags &
 				dquot_state_flag(DQUOT_SUSPENDED, type);
 }
 
-static inline int sb_any_quota_suspended(struct super_block *sb)
+static inline unsigned sb_any_quota_suspended(struct super_block *sb)
 {
-	return sb_has_quota_suspended(sb, USRQUOTA) ||
-		sb_has_quota_suspended(sb, GRPQUOTA);
+	unsigned type, tmsk = 0;
+	for (type = 0; type < MAXQUOTAS; type++)
+		tmsk |= sb_has_quota_suspended(sb, type) << type;
+	return tmsk;
 }
 
 /* Does kernel know about any quota information for given sb + type? */
-static inline int sb_has_quota_loaded(struct super_block *sb, int type)
+static inline bool sb_has_quota_loaded(struct super_block *sb, int type)
 {
 	/* Currently if anything is on, then quota usage is on as well */
 	return sb_has_quota_usage_enabled(sb, type);
 }
 
-static inline int sb_any_quota_loaded(struct super_block *sb)
+static inline unsigned sb_any_quota_loaded(struct super_block *sb)
 {
-	return sb_has_quota_loaded(sb, USRQUOTA) ||
-		sb_has_quota_loaded(sb, GRPQUOTA);
+	unsigned type, tmsk = 0;
+	for (type = 0; type < MAXQUOTAS; type++)
+		tmsk |= sb_has_quota_loaded(sb, type) << type;
+	return	tmsk;
 }
 
-static inline int sb_has_quota_active(struct super_block *sb, int type)
+static inline bool sb_has_quota_active(struct super_block *sb, int type)
 {
 	return sb_has_quota_loaded(sb, type) &&
 	       !sb_has_quota_suspended(sb, type);
 }
 
-static inline int sb_any_quota_active(struct super_block *sb)
+static inline unsigned sb_any_quota_active(struct super_block *sb)
 {
-	return sb_has_quota_active(sb, USRQUOTA) ||
-	       sb_has_quota_active(sb, GRPQUOTA);
+	return sb_any_quota_loaded(sb) & ~sb_any_quota_suspended(sb);
 }
 
 /*
@@ -141,122 +139,6 @@ extern const struct quotactl_ops vfs_quotactl_ops;
 #define sb_dquot_ops (&dquot_operations)
 #define sb_quotactl_ops (&vfs_quotactl_ops)
 
-/* It is better to call this function outside of any transaction as it might
- * need a lot of space in journal for dquot structure allocation. */
-static inline void vfs_dq_init(struct inode *inode)
-{
-	BUG_ON(!inode->i_sb);
-	if (sb_any_quota_active(inode->i_sb) && !IS_NOQUOTA(inode))
-		inode->i_sb->dq_op->initialize(inode, -1);
-}
-
-/* The following allocation/freeing/transfer functions *must* be called inside
- * a transaction (deadlocks possible otherwise) */
-static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
-{
-	if (sb_any_quota_active(inode->i_sb)) {
-		/* Used space is updated in alloc_space() */
-		if (inode->i_sb->dq_op->alloc_space(inode, nr, 1) == NO_QUOTA)
-			return 1;
-	}
-	else
-		inode_add_bytes(inode, nr);
-	return 0;
-}
-
-static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
-{
-	int ret;
-        if (!(ret =  vfs_dq_prealloc_space_nodirty(inode, nr)))
-		mark_inode_dirty(inode);
-	return ret;
-}
-
-static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
-{
-	if (sb_any_quota_active(inode->i_sb)) {
-		/* Used space is updated in alloc_space() */
-		if (inode->i_sb->dq_op->alloc_space(inode, nr, 0) == NO_QUOTA)
-			return 1;
-	}
-	else
-		inode_add_bytes(inode, nr);
-	return 0;
-}
-
-static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
-{
-	int ret;
-	if (!(ret = vfs_dq_alloc_space_nodirty(inode, nr)))
-		mark_inode_dirty(inode);
-	return ret;
-}
-
-static inline int vfs_dq_reserve_space(struct inode *inode, qsize_t nr)
-{
-	if (sb_any_quota_active(inode->i_sb)) {
-		/* Used space is updated in alloc_space() */
-		if (inode->i_sb->dq_op->reserve_space(inode, nr, 0) == NO_QUOTA)
-			return 1;
-	}
-	return 0;
-}
-
-static inline int vfs_dq_alloc_inode(struct inode *inode)
-{
-	if (sb_any_quota_active(inode->i_sb)) {
-		vfs_dq_init(inode);
-		if (inode->i_sb->dq_op->alloc_inode(inode, 1) == NO_QUOTA)
-			return 1;
-	}
-	return 0;
-}
-
-/*
- * Convert in-memory reserved quotas to real consumed quotas
- */
-static inline int vfs_dq_claim_space(struct inode *inode, qsize_t nr)
-{
-	if (sb_any_quota_active(inode->i_sb)) {
-		if (inode->i_sb->dq_op->claim_space(inode, nr) == NO_QUOTA)
-			return 1;
-	} else
-		inode_add_bytes(inode, nr);
-
-	mark_inode_dirty(inode);
-	return 0;
-}
-
-/*
- * Release reserved (in-memory) quotas
- */
-static inline
-void vfs_dq_release_reservation_space(struct inode *inode, qsize_t nr)
-{
-	if (sb_any_quota_active(inode->i_sb))
-		inode->i_sb->dq_op->release_rsv(inode, nr);
-}
-
-static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
-{
-	if (sb_any_quota_active(inode->i_sb))
-		inode->i_sb->dq_op->free_space(inode, nr);
-	else
-		inode_sub_bytes(inode, nr);
-}
-
-static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
-{
-	vfs_dq_free_space_nodirty(inode, nr);
-	mark_inode_dirty(inode);
-}
-
-static inline void vfs_dq_free_inode(struct inode *inode)
-{
-	if (sb_any_quota_active(inode->i_sb))
-		inode->i_sb->dq_op->free_inode(inode, 1);
-}
-
 /* Cannot be called inside a transaction */
 static inline int vfs_dq_off(struct super_block *sb, int remount)
 {
@@ -316,28 +198,20 @@ static inline int sb_any_quota_active(struct super_block *sb)
 #define sb_dquot_ops				(NULL)
 #define sb_quotactl_ops				(NULL)
 
-static inline void vfs_dq_init(struct inode *inode)
+static inline void dquot_initialize(struct inode *inode)
 {
 }
 
-static inline void vfs_dq_drop(struct inode *inode)
+static inline void dquot_drop(struct inode *inode)
 {
 }
 
-static inline int vfs_dq_alloc_inode(struct inode *inode)
+static inline int dquot_alloc_inode(const struct inode *inode)
 {
 	return 0;
 }
 
-static inline void vfs_dq_free_inode(struct inode *inode)
-{
-}
-
-static inline void sync_quota_sb(struct super_block *sb, int type)
-{
-}
-
-static inline void writeout_quota_sb(struct super_block *sb, int type)
+static inline void dquot_free_inode(const struct inode *inode)
 {
 }
 
@@ -351,110 +225,116 @@ static inline int vfs_dq_quota_on_remount(struct super_block *sb)
 	return 0;
 }
 
-static inline int vfs_dq_transfer(struct inode *inode, struct iattr *iattr)
+static inline int dquot_transfer(struct inode *inode, struct iattr *iattr)
 {
 	return 0;
 }
 
-static inline int vfs_dq_prealloc_space_nodirty(struct inode *inode, qsize_t nr)
+static inline int __dquot_alloc_space(struct inode *inode, qsize_t number,
+		int warn, int reserve)
 {
-	inode_add_bytes(inode, nr);
+	if (!reserve)
+		inode_add_bytes(inode, number);
 	return 0;
 }
 
-static inline int vfs_dq_prealloc_space(struct inode *inode, qsize_t nr)
+static inline void __dquot_free_space(struct inode *inode, qsize_t number,
+		int reserve)
 {
-	vfs_dq_prealloc_space_nodirty(inode, nr);
-	mark_inode_dirty(inode);
-	return 0;
+	if (!reserve)
+		inode_sub_bytes(inode, number);
 }
 
-static inline int vfs_dq_alloc_space_nodirty(struct inode *inode, qsize_t nr)
+static inline int dquot_claim_space_nodirty(struct inode *inode, qsize_t number)
 {
-	inode_add_bytes(inode, nr);
+	inode_add_bytes(inode, number);
 	return 0;
 }
 
-static inline int vfs_dq_alloc_space(struct inode *inode, qsize_t nr)
+#define dquot_file_open		generic_file_open
+
+#endif /* CONFIG_QUOTA */
+
+static inline int dquot_alloc_space_nodirty(struct inode *inode, qsize_t nr)
 {
-	vfs_dq_alloc_space_nodirty(inode, nr);
-	mark_inode_dirty(inode);
-	return 0;
+	return __dquot_alloc_space(inode, nr, 1, 0);
 }
 
-static inline int vfs_dq_reserve_space(struct inode *inode, qsize_t nr)
+static inline int dquot_alloc_space(struct inode *inode, qsize_t nr)
 {
-	return 0;
+	int ret;
+
+	ret = dquot_alloc_space_nodirty(inode, nr);
+	if (!ret)
+		mark_inode_dirty(inode);
+	return ret;
 }
 
-static inline int vfs_dq_claim_space(struct inode *inode, qsize_t nr)
+static inline int dquot_alloc_block_nodirty(struct inode *inode, qsize_t nr)
 {
-	return vfs_dq_alloc_space(inode, nr);
+	return dquot_alloc_space_nodirty(inode, nr << inode->i_blkbits);
 }
 
-static inline
-int vfs_dq_release_reservation_space(struct inode *inode, qsize_t nr)
+static inline int dquot_alloc_block(struct inode *inode, qsize_t nr)
 {
-	return 0;
+	return dquot_alloc_space(inode, nr << inode->i_blkbits);
 }
 
-static inline void vfs_dq_free_space_nodirty(struct inode *inode, qsize_t nr)
+static inline int dquot_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
 {
-	inode_sub_bytes(inode, nr);
+	return __dquot_alloc_space(inode, nr << inode->i_blkbits, 0, 0);
 }
 
-static inline void vfs_dq_free_space(struct inode *inode, qsize_t nr)
+static inline int dquot_prealloc_block(struct inode *inode, qsize_t nr)
 {
-	vfs_dq_free_space_nodirty(inode, nr);
-	mark_inode_dirty(inode);
-}	
-
-#endif /* CONFIG_QUOTA */
+	int ret;
 
-static inline int vfs_dq_prealloc_block_nodirty(struct inode *inode, qsize_t nr)
-{
-	return vfs_dq_prealloc_space_nodirty(inode, nr << inode->i_blkbits);
+	ret = dquot_prealloc_block_nodirty(inode, nr);
+	if (!ret)
+		mark_inode_dirty(inode);
+	return ret;
 }
 
-static inline int vfs_dq_prealloc_block(struct inode *inode, qsize_t nr)
+static inline int dquot_reserve_block(struct inode *inode, qsize_t nr)
 {
-	return vfs_dq_prealloc_space(inode, nr << inode->i_blkbits);
+	return __dquot_alloc_space(inode, nr << inode->i_blkbits, 1, 1);
 }
 
-static inline int vfs_dq_alloc_block_nodirty(struct inode *inode, qsize_t nr)
+static inline int dquot_claim_block(struct inode *inode, qsize_t nr)
 {
-	return vfs_dq_alloc_space_nodirty(inode, nr << inode->i_blkbits);
-}
+	int ret;
 
-static inline int vfs_dq_alloc_block(struct inode *inode, qsize_t nr)
-{
-	return vfs_dq_alloc_space(inode, nr << inode->i_blkbits);
+	ret = dquot_claim_space_nodirty(inode, nr << inode->i_blkbits);
+	if (!ret)
+		mark_inode_dirty(inode);
+	return ret;
 }
 
-static inline int vfs_dq_reserve_block(struct inode *inode, qsize_t nr)
+static inline void dquot_free_space_nodirty(struct inode *inode, qsize_t nr)
 {
-	return vfs_dq_reserve_space(inode, nr << inode->i_blkbits);
+	__dquot_free_space(inode, nr, 0);
 }
 
-static inline int vfs_dq_claim_block(struct inode *inode, qsize_t nr)
+static inline void dquot_free_space(struct inode *inode, qsize_t nr)
 {
-	return vfs_dq_claim_space(inode, nr << inode->i_blkbits);
+	dquot_free_space_nodirty(inode, nr);
+	mark_inode_dirty(inode);
 }
 
-static inline
-void vfs_dq_release_reservation_block(struct inode *inode, qsize_t nr)
+static inline void dquot_free_block_nodirty(struct inode *inode, qsize_t nr)
 {
-	vfs_dq_release_reservation_space(inode, nr << inode->i_blkbits);
+	dquot_free_space_nodirty(inode, nr << inode->i_blkbits);
 }
 
-static inline void vfs_dq_free_block_nodirty(struct inode *inode, qsize_t nr)
+static inline void dquot_free_block(struct inode *inode, qsize_t nr)
 {
-	vfs_dq_free_space_nodirty(inode, nr << inode->i_blkbits);
+	dquot_free_space(inode, nr << inode->i_blkbits);
 }
 
-static inline void vfs_dq_free_block(struct inode *inode, qsize_t nr)
+static inline void dquot_release_reservation_block(struct inode *inode,
+		qsize_t nr)
 {
-	vfs_dq_free_space(inode, nr << inode->i_blkbits);
+	__dquot_free_space(inode, nr << inode->i_blkbits, 1);
 }
 
 #endif /* _LINUX_QUOTAOPS_ */
diff --git a/include/linux/range.h b/include/linux/range.h
new file mode 100644
index 000000000000..bd184a5db791
--- /dev/null
+++ b/include/linux/range.h
@@ -0,0 +1,30 @@
+#ifndef _LINUX_RANGE_H
+#define _LINUX_RANGE_H
+
+struct range {
+	u64   start;
+	u64   end;
+};
+
+int add_range(struct range *range, int az, int nr_range,
+		u64 start, u64 end);
+
+
+int add_range_with_merge(struct range *range, int az, int nr_range,
+				u64 start, u64 end);
+
+void subtract_range(struct range *range, int az, u64 start, u64 end);
+
+int clean_sort_range(struct range *range, int az);
+
+void sort_range(struct range *range, int nr_range);
+
+#define MAX_RESOURCE ((resource_size_t)~0)
+static inline resource_size_t cap_resource(u64 val)
+{
+	if (val > MAX_RESOURCE)
+		return MAX_RESOURCE;
+
+	return val;
+}
+#endif
diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h
index 9c295411d01f..5210a5c60877 100644
--- a/include/linux/rbtree.h
+++ b/include/linux/rbtree.h
@@ -25,10 +25,10 @@
 
   Some example of insert and search follows here. The search is a plain
   normal search over an ordered tree. The insert instead must be implemented
-  int two steps: as first thing the code must insert the element in
-  order as a red leaf in the tree, then the support library function
-  rb_insert_color() must be called. Such function will do the
-  not trivial work to rebalance the rbtree if necessary.
+  in two steps: First, the code must insert the element in order as a red leaf
+  in the tree, and then the support library function rb_insert_color() must
+  be called. Such function will do the not trivial work to rebalance the
+  rbtree, if necessary.
 
 -----------------------------------------------------------------------
 static inline struct page * rb_search_page_cache(struct inode * inode,
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index c84373626336..872a98e13d6a 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -41,6 +41,10 @@
 #include <linux/lockdep.h>
 #include <linux/completion.h>
 
+#ifdef CONFIG_RCU_TORTURE_TEST
+extern int rcutorture_runnable; /* for sysctl */
+#endif /* #ifdef CONFIG_RCU_TORTURE_TEST */
+
 /**
  * struct rcu_head - callback structure for use with RCU
  * @next: next update requests in a list
@@ -97,6 +101,11 @@ extern struct lockdep_map rcu_sched_lock_map;
 # define rcu_read_release_sched() \
 		lock_release(&rcu_sched_lock_map, 1, _THIS_IP_)
 
+static inline int debug_lockdep_rcu_enabled(void)
+{
+	return likely(rcu_scheduler_active && debug_locks);
+}
+
 /**
  * rcu_read_lock_held - might we be in RCU read-side critical section?
  *
@@ -104,28 +113,21 @@ extern struct lockdep_map rcu_sched_lock_map;
  * an RCU read-side critical section.  In absence of CONFIG_PROVE_LOCKING,
  * this assumes we are in an RCU read-side critical section unless it can
  * prove otherwise.
+ *
+ * Check rcu_scheduler_active to prevent false positives during boot.
  */
 static inline int rcu_read_lock_held(void)
 {
-	if (debug_locks)
-		return lock_is_held(&rcu_lock_map);
-	return 1;
+	if (!debug_lockdep_rcu_enabled())
+		return 1;
+	return lock_is_held(&rcu_lock_map);
 }
 
-/**
- * rcu_read_lock_bh_held - might we be in RCU-bh read-side critical section?
- *
- * If CONFIG_PROVE_LOCKING is selected and enabled, returns nonzero iff in
- * an RCU-bh read-side critical section.  In absence of CONFIG_PROVE_LOCKING,
- * this assumes we are in an RCU-bh read-side critical section unless it can
- * prove otherwise.
+/*
+ * rcu_read_lock_bh_held() is defined out of line to avoid #include-file
+ * hell.
  */
-static inline int rcu_read_lock_bh_held(void)
-{
-	if (debug_locks)
-		return lock_is_held(&rcu_bh_lock_map);
-	return 1;
-}
+extern int rcu_read_lock_bh_held(void);
 
 /**
  * rcu_read_lock_sched_held - might we be in RCU-sched read-side critical section?
@@ -135,15 +137,26 @@ static inline int rcu_read_lock_bh_held(void)
  * this assumes we are in an RCU-sched read-side critical section unless it
  * can prove otherwise.  Note that disabling of preemption (including
  * disabling irqs) counts as an RCU-sched read-side critical section.
+ *
+ * Check rcu_scheduler_active to prevent false positives during boot.
  */
+#ifdef CONFIG_PREEMPT
 static inline int rcu_read_lock_sched_held(void)
 {
 	int lockdep_opinion = 0;
 
+	if (!debug_lockdep_rcu_enabled())
+		return 1;
 	if (debug_locks)
 		lockdep_opinion = lock_is_held(&rcu_sched_lock_map);
-	return lockdep_opinion || preempt_count() != 0 || !rcu_scheduler_active;
+	return lockdep_opinion || preempt_count() != 0 || irqs_disabled();
 }
+#else /* #ifdef CONFIG_PREEMPT */
+static inline int rcu_read_lock_sched_held(void)
+{
+	return 1;
+}
+#endif /* #else #ifdef CONFIG_PREEMPT */
 
 #else /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */
 
@@ -164,10 +177,17 @@ static inline int rcu_read_lock_bh_held(void)
 	return 1;
 }
 
+#ifdef CONFIG_PREEMPT
+static inline int rcu_read_lock_sched_held(void)
+{
+	return !rcu_scheduler_active || preempt_count() != 0 || irqs_disabled();
+}
+#else /* #ifdef CONFIG_PREEMPT */
 static inline int rcu_read_lock_sched_held(void)
 {
-	return preempt_count() != 0 || !rcu_scheduler_active;
+	return 1;
 }
+#endif /* #else #ifdef CONFIG_PREEMPT */
 
 #endif /* #else #ifdef CONFIG_DEBUG_LOCK_ALLOC */
 
@@ -184,7 +204,7 @@ static inline int rcu_read_lock_sched_held(void)
  */
 #define rcu_dereference_check(p, c) \
 	({ \
-		if (debug_locks && !(c)) \
+		if (debug_lockdep_rcu_enabled() && !(c)) \
 			lockdep_rcu_dereference(__FILE__, __LINE__); \
 		rcu_dereference_raw(p); \
 	})
diff --git a/include/linux/reboot.h b/include/linux/reboot.h
index 988e55fe649b..3005d5a7fce5 100644
--- a/include/linux/reboot.h
+++ b/include/linux/reboot.h
@@ -64,6 +64,7 @@ extern void kernel_restart(char *cmd);
 extern void kernel_halt(void);
 extern void kernel_power_off(void);
 
+extern int C_A_D; /* for sysctl */
 void ctrl_alt_del(void);
 
 #define POWEROFF_CMD_PATH_LEN	256
diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 030d92255c7a..28c9fd020d39 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -89,8 +89,9 @@
  * REGULATION_OUT Regulator output is out of regulation.
  * FAIL           Regulator output has failed.
  * OVER_TEMP      Regulator over temp.
- * FORCE_DISABLE  Regulator shut down by software.
+ * FORCE_DISABLE  Regulator forcibly shut down by software.
  * VOLTAGE_CHANGE Regulator voltage changed.
+ * DISABLE        Regulator was disabled.
  *
  * NOTE: These events can be OR'ed together when passed into handler.
  */
@@ -102,6 +103,7 @@
 #define REGULATOR_EVENT_OVER_TEMP		0x10
 #define REGULATOR_EVENT_FORCE_DISABLE		0x20
 #define REGULATOR_EVENT_VOLTAGE_CHANGE		0x40
+#define REGULATOR_EVENT_DISABLE 		0x80
 
 struct regulator;
 
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 31f2055eae28..592cd7c642c2 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -58,6 +58,9 @@ enum regulator_status {
  * @get_optimum_mode: Get the most efficient operating mode for the regulator
  *                    when running with the specified parameters.
  *
+ * @enable_time: Time taken for the regulator voltage output voltage to
+ *               stabalise after being enabled, in microseconds.
+ *
  * @set_suspend_voltage: Set the voltage for the regulator when the system
  *                       is suspended.
  * @set_suspend_enable: Mark the regulator as enabled when the system is
@@ -93,6 +96,9 @@ struct regulator_ops {
 	int (*set_mode) (struct regulator_dev *, unsigned int mode);
 	unsigned int (*get_mode) (struct regulator_dev *);
 
+	/* Time taken to enable the regulator */
+	int (*enable_time) (struct regulator_dev *);
+
 	/* report regulator status ... most other accessors report
 	 * control inputs, this reports results of combining inputs
 	 * from Linux (and other sources) with the actual load.
diff --git a/include/linux/regulator/fixed.h b/include/linux/regulator/fixed.h
index e94a4a1c7c8a..ffd7d508e726 100644
--- a/include/linux/regulator/fixed.h
+++ b/include/linux/regulator/fixed.h
@@ -25,6 +25,7 @@ struct regulator_init_data;
  * @microvolts:		Output voltage of regulator
  * @gpio:		GPIO to use for enable control
  * 			set to -EINVAL if not used
+ * @startup_delay:	Start-up time in microseconds
  * @enable_high:	Polarity of enable GPIO
  *			1 = Active high, 0 = Active low
  * @enabled_at_boot:	Whether regulator has been enabled at
@@ -41,6 +42,7 @@ struct fixed_voltage_config {
 	const char *supply_name;
 	int microvolts;
 	int gpio;
+	unsigned startup_delay;
 	unsigned enable_high:1;
 	unsigned enabled_at_boot:1;
 	struct regulator_init_data *init_data;
diff --git a/include/linux/regulator/max8649.h b/include/linux/regulator/max8649.h
new file mode 100644
index 000000000000..417d14ecd5cb
--- /dev/null
+++ b/include/linux/regulator/max8649.h
@@ -0,0 +1,44 @@
+/*
+ * Interface of Maxim max8649
+ *
+ * Copyright (C) 2009-2010 Marvell International Ltd.
+ *      Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __LINUX_REGULATOR_MAX8649_H
+#define	__LINUX_REGULATOR_MAX8649_H
+
+#include <linux/regulator/machine.h>
+
+enum {
+	MAX8649_EXTCLK_26MHZ = 0,
+	MAX8649_EXTCLK_13MHZ,
+	MAX8649_EXTCLK_19MHZ,	/* 19.2MHz */
+};
+
+enum {
+	MAX8649_RAMP_32MV = 0,
+	MAX8649_RAMP_16MV,
+	MAX8649_RAMP_8MV,
+	MAX8649_RAMP_4MV,
+	MAX8649_RAMP_2MV,
+	MAX8649_RAMP_1MV,
+	MAX8649_RAMP_0_5MV,
+	MAX8649_RAMP_0_25MV,
+};
+
+struct max8649_platform_data {
+	struct regulator_init_data *regulator;
+
+	unsigned	mode:2;		/* bit[1:0] = VID1,VID0 */
+	unsigned	extclk_freq:2;
+	unsigned	extclk:1;
+	unsigned	ramp_timing:3;
+	unsigned	ramp_down:1;
+};
+
+#endif	/* __LINUX_REGULATOR_MAX8649_H */
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 1ba3cf6edfbb..3b603f474186 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -2034,7 +2034,7 @@ void reiserfs_read_locked_inode(struct inode *inode,
 int reiserfs_find_actor(struct inode *inode, void *p);
 int reiserfs_init_locked_inode(struct inode *inode, void *p);
 void reiserfs_delete_inode(struct inode *inode);
-int reiserfs_write_inode(struct inode *inode, int);
+int reiserfs_write_inode(struct inode *inode, struct writeback_control *wbc);
 int reiserfs_get_block(struct inode *inode, sector_t block,
 		       struct buffer_head *bh_result, int create);
 struct dentry *reiserfs_fh_to_dentry(struct super_block *sb, struct fid *fid,
diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h
index 99928dce37ea..7fa02b4af838 100644
--- a/include/linux/reiserfs_xattr.h
+++ b/include/linux/reiserfs_xattr.h
@@ -70,6 +70,11 @@ int reiserfs_security_write(struct reiserfs_transaction_handle *th,
 void reiserfs_security_free(struct reiserfs_security_handle *sec);
 #endif
 
+static inline int reiserfs_xattrs_initialized(struct super_block *sb)
+{
+	return REISERFS_SB(sb)->priv_root != NULL;
+}
+
 #define xattr_size(size) ((size) + sizeof(struct reiserfs_xattr_header))
 static inline loff_t reiserfs_xattr_nblocks(struct inode *inode, loff_t size)
 {
diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
index 97059d08a626..4f82326eb294 100644
--- a/include/linux/rfkill.h
+++ b/include/linux/rfkill.h
@@ -29,7 +29,7 @@
 /**
  * enum rfkill_type - type of rfkill switch.
  *
- * @RFKILL_TYPE_ALL: toggles all switches (userspace only)
+ * @RFKILL_TYPE_ALL: toggles all switches (requests only - not a switch type)
  * @RFKILL_TYPE_WLAN: switch is on a 802.11 wireless network device.
  * @RFKILL_TYPE_BLUETOOTH: switch is on a bluetooth device.
  * @RFKILL_TYPE_UWB: switch is on a ultra wideband device.
diff --git a/include/linux/rmap.h b/include/linux/rmap.h
index b019ae64e2ab..d25bd224d370 100644
--- a/include/linux/rmap.h
+++ b/include/linux/rmap.h
@@ -37,7 +37,27 @@ struct anon_vma {
 	 * is serialized by a system wide lock only visible to
 	 * mm_take_all_locks() (mm_all_locks_mutex).
 	 */
-	struct list_head head;	/* List of private "related" vmas */
+	struct list_head head;	/* Chain of private "related" vmas */
+};
+
+/*
+ * The copy-on-write semantics of fork mean that an anon_vma
+ * can become associated with multiple processes. Furthermore,
+ * each child process will have its own anon_vma, where new
+ * pages for that process are instantiated.
+ *
+ * This structure allows us to find the anon_vmas associated
+ * with a VMA, or the VMAs associated with an anon_vma.
+ * The "same_vma" list contains the anon_vma_chains linking
+ * all the anon_vmas associated with this VMA.
+ * The "same_anon_vma" list contains the anon_vma_chains
+ * which link all the VMAs associated with this anon_vma.
+ */
+struct anon_vma_chain {
+	struct vm_area_struct *vma;
+	struct anon_vma *anon_vma;
+	struct list_head same_vma;   /* locked by mmap_sem & page_table_lock */
+	struct list_head same_anon_vma;	/* locked by anon_vma->lock */
 };
 
 #ifdef CONFIG_MMU
@@ -89,15 +109,23 @@ static inline void anon_vma_unlock(struct vm_area_struct *vma)
  */
 void anon_vma_init(void);	/* create anon_vma_cachep */
 int  anon_vma_prepare(struct vm_area_struct *);
-void __anon_vma_merge(struct vm_area_struct *, struct vm_area_struct *);
-void anon_vma_unlink(struct vm_area_struct *);
-void anon_vma_link(struct vm_area_struct *);
+void unlink_anon_vmas(struct vm_area_struct *);
+int anon_vma_clone(struct vm_area_struct *, struct vm_area_struct *);
+int anon_vma_fork(struct vm_area_struct *, struct vm_area_struct *);
 void __anon_vma_link(struct vm_area_struct *);
 void anon_vma_free(struct anon_vma *);
 
+static inline void anon_vma_merge(struct vm_area_struct *vma,
+				  struct vm_area_struct *next)
+{
+	VM_BUG_ON(vma->anon_vma != next->anon_vma);
+	unlink_anon_vmas(next);
+}
+
 /*
  * rmap interfaces called when adding or removing pte of page
  */
+void page_move_anon_rmap(struct page *, struct vm_area_struct *, unsigned long);
 void page_add_anon_rmap(struct page *, struct vm_area_struct *, unsigned long);
 void page_add_new_anon_rmap(struct page *, struct vm_area_struct *, unsigned long);
 void page_add_file_rmap(struct page *);
@@ -181,7 +209,7 @@ static inline int page_referenced(struct page *page, int is_locked,
 				  unsigned long *vm_flags)
 {
 	*vm_flags = 0;
-	return TestClearPageReferenced(page);
+	return 0;
 }
 
 #define try_to_unmap(page, refs) SWAP_FAIL
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 60f88a7fb13d..14dbc83ded20 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -238,6 +238,12 @@ static inline bool is_leap_year(unsigned int year)
 	return (!(year % 4) && (year % 100)) || !(year % 400);
 }
 
+#ifdef CONFIG_RTC_HCTOSYS
+extern int rtc_hctosys_ret;
+#else
+#define rtc_hctosys_ret -ENODEV
+#endif
+
 #endif /* __KERNEL__ */
 
 #endif /* _LINUX_RTC_H_ */
diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h
index 281d8fd775e8..8d522ffeda33 100644
--- a/include/linux/rtmutex.h
+++ b/include/linux/rtmutex.h
@@ -16,6 +16,8 @@
 #include <linux/plist.h>
 #include <linux/spinlock_types.h>
 
+extern int max_lock_depth; /* for sysctl */
+
 /**
  * The rt_mutex structure
  *
diff --git a/include/linux/rwlock.h b/include/linux/rwlock.h
index 71e0b00b6f2c..bc2994ed66e1 100644
--- a/include/linux/rwlock.h
+++ b/include/linux/rwlock.h
@@ -29,25 +29,25 @@ do {								\
 #endif
 
 #ifdef CONFIG_DEBUG_SPINLOCK
- extern void do_raw_read_lock(rwlock_t *lock);
+ extern void do_raw_read_lock(rwlock_t *lock) __acquires(lock);
 #define do_raw_read_lock_flags(lock, flags) do_raw_read_lock(lock)
  extern int do_raw_read_trylock(rwlock_t *lock);
- extern void do_raw_read_unlock(rwlock_t *lock);
- extern void do_raw_write_lock(rwlock_t *lock);
+ extern void do_raw_read_unlock(rwlock_t *lock) __releases(lock);
+ extern void do_raw_write_lock(rwlock_t *lock) __acquires(lock);
 #define do_raw_write_lock_flags(lock, flags) do_raw_write_lock(lock)
  extern int do_raw_write_trylock(rwlock_t *lock);
- extern void do_raw_write_unlock(rwlock_t *lock);
+ extern void do_raw_write_unlock(rwlock_t *lock) __releases(lock);
 #else
-# define do_raw_read_lock(rwlock)	arch_read_lock(&(rwlock)->raw_lock)
+# define do_raw_read_lock(rwlock)	do {__acquire(lock); arch_read_lock(&(rwlock)->raw_lock); } while (0)
 # define do_raw_read_lock_flags(lock, flags) \
-		arch_read_lock_flags(&(lock)->raw_lock, *(flags))
+		do {__acquire(lock); arch_read_lock_flags(&(lock)->raw_lock, *(flags)); } while (0)
 # define do_raw_read_trylock(rwlock)	arch_read_trylock(&(rwlock)->raw_lock)
-# define do_raw_read_unlock(rwlock)	arch_read_unlock(&(rwlock)->raw_lock)
-# define do_raw_write_lock(rwlock)	arch_write_lock(&(rwlock)->raw_lock)
+# define do_raw_read_unlock(rwlock)	do {arch_read_unlock(&(rwlock)->raw_lock); __release(lock); } while (0)
+# define do_raw_write_lock(rwlock)	do {__acquire(lock); arch_write_lock(&(rwlock)->raw_lock); } while (0)
 # define do_raw_write_lock_flags(lock, flags) \
-		arch_write_lock_flags(&(lock)->raw_lock, *(flags))
+		do {__acquire(lock); arch_write_lock_flags(&(lock)->raw_lock, *(flags)); } while (0)
 # define do_raw_write_trylock(rwlock)	arch_write_trylock(&(rwlock)->raw_lock)
-# define do_raw_write_unlock(rwlock)	arch_write_unlock(&(rwlock)->raw_lock)
+# define do_raw_write_unlock(rwlock)	do {arch_write_unlock(&(rwlock)->raw_lock); __release(lock); } while (0)
 #endif
 
 #define read_can_lock(rwlock)		arch_read_can_lock(&(rwlock)->raw_lock)
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 4b1753f7e48e..dad7f668ebf7 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -258,6 +258,10 @@ extern spinlock_t mmlist_lock;
 
 struct task_struct;
 
+#ifdef CONFIG_PROVE_RCU
+extern int lockdep_tasklist_lock_is_held(void);
+#endif /* #ifdef CONFIG_PROVE_RCU */
+
 extern void sched_init(void);
 extern void sched_init_smp(void);
 extern asmlinkage void schedule_tail(struct task_struct *prev);
@@ -396,60 +400,6 @@ extern void arch_unmap_area_topdown(struct mm_struct *, unsigned long);
 static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
 #endif
 
-#if USE_SPLIT_PTLOCKS
-/*
- * The mm counters are not protected by its page_table_lock,
- * so must be incremented atomically.
- */
-#define set_mm_counter(mm, member, value) atomic_long_set(&(mm)->_##member, value)
-#define get_mm_counter(mm, member) ((unsigned long)atomic_long_read(&(mm)->_##member))
-#define add_mm_counter(mm, member, value) atomic_long_add(value, &(mm)->_##member)
-#define inc_mm_counter(mm, member) atomic_long_inc(&(mm)->_##member)
-#define dec_mm_counter(mm, member) atomic_long_dec(&(mm)->_##member)
-
-#else  /* !USE_SPLIT_PTLOCKS */
-/*
- * The mm counters are protected by its page_table_lock,
- * so can be incremented directly.
- */
-#define set_mm_counter(mm, member, value) (mm)->_##member = (value)
-#define get_mm_counter(mm, member) ((mm)->_##member)
-#define add_mm_counter(mm, member, value) (mm)->_##member += (value)
-#define inc_mm_counter(mm, member) (mm)->_##member++
-#define dec_mm_counter(mm, member) (mm)->_##member--
-
-#endif /* !USE_SPLIT_PTLOCKS */
-
-#define get_mm_rss(mm)					\
-	(get_mm_counter(mm, file_rss) + get_mm_counter(mm, anon_rss))
-#define update_hiwater_rss(mm)	do {			\
-	unsigned long _rss = get_mm_rss(mm);		\
-	if ((mm)->hiwater_rss < _rss)			\
-		(mm)->hiwater_rss = _rss;		\
-} while (0)
-#define update_hiwater_vm(mm)	do {			\
-	if ((mm)->hiwater_vm < (mm)->total_vm)		\
-		(mm)->hiwater_vm = (mm)->total_vm;	\
-} while (0)
-
-static inline unsigned long get_mm_hiwater_rss(struct mm_struct *mm)
-{
-	return max(mm->hiwater_rss, get_mm_rss(mm));
-}
-
-static inline void setmax_mm_hiwater_rss(unsigned long *maxrss,
-					 struct mm_struct *mm)
-{
-	unsigned long hiwater_rss = get_mm_hiwater_rss(mm);
-
-	if (*maxrss < hiwater_rss)
-		*maxrss = hiwater_rss;
-}
-
-static inline unsigned long get_mm_hiwater_vm(struct mm_struct *mm)
-{
-	return max(mm->hiwater_vm, mm->total_vm);
-}
 
 extern void set_dumpable(struct mm_struct *mm, int value);
 extern int get_dumpable(struct mm_struct *mm);
@@ -1274,7 +1224,9 @@ struct task_struct {
 	struct plist_node pushable_tasks;
 
 	struct mm_struct *mm, *active_mm;
-
+#if defined(SPLIT_RSS_COUNTING)
+	struct task_rss_stat	rss_stat;
+#endif
 /* task state */
 	int exit_state;
 	int exit_code, exit_signal;
@@ -1525,7 +1477,7 @@ struct task_struct {
 
 	struct list_head	*scm_work_list;
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
-	/* Index of current stored adress in ret_stack */
+	/* Index of current stored address in ret_stack */
 	int curr_ret_stack;
 	/* Stack of return addresses for return function tracing */
 	struct ftrace_ret_stack	*ret_stack;
@@ -2443,9 +2395,7 @@ void thread_group_cputimer(struct task_struct *tsk, struct task_cputime *times);
 
 static inline void thread_group_cputime_init(struct signal_struct *sig)
 {
-	sig->cputimer.cputime = INIT_CPUTIME;
 	spin_lock_init(&sig->cputimer.lock);
-	sig->cputimer.running = 0;
 }
 
 static inline void thread_group_cputime_free(struct signal_struct *sig)
diff --git a/include/linux/security.h b/include/linux/security.h
index 2c627d361c02..233d20b52c1b 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -76,7 +76,7 @@ extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
 extern int cap_task_setscheduler(struct task_struct *p, int policy, struct sched_param *lp);
 extern int cap_task_setioprio(struct task_struct *p, int ioprio);
 extern int cap_task_setnice(struct task_struct *p, int nice);
-extern int cap_syslog(int type);
+extern int cap_syslog(int type, bool from_file);
 extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
 
 struct msghdr;
@@ -95,6 +95,8 @@ struct seq_file;
 extern int cap_netlink_send(struct sock *sk, struct sk_buff *skb);
 extern int cap_netlink_recv(struct sk_buff *skb, int cap);
 
+void reset_security_ops(void);
+
 #ifdef CONFIG_MMU
 extern unsigned long mmap_min_addr;
 extern unsigned long dac_mmap_min_addr;
@@ -985,6 +987,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *	Check permissions on incoming network packets.  This hook is distinct
  *	from Netfilter's IP input hooks since it is the first time that the
  *	incoming sk_buff @skb has been associated with a particular socket, @sk.
+ *	Must not sleep inside this hook because some callers hold spinlocks.
  *	@sk contains the sock (not socket) associated with the incoming sk_buff.
  *	@skb contains the incoming network data.
  * @socket_getpeersec_stream:
@@ -1348,6 +1351,7 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
  *	logging to the console.
  *	See the syslog(2) manual page for an explanation of the @type values.
  *	@type contains the type of action.
+ *	@from_file indicates the context of action (if it came from /proc).
  *	Return 0 if permission is granted.
  * @settime:
  *	Check permission to change the system time.
@@ -1462,7 +1466,7 @@ struct security_operations {
 	int (*sysctl) (struct ctl_table *table, int op);
 	int (*quotactl) (int cmds, int type, int id, struct super_block *sb);
 	int (*quota_on) (struct dentry *dentry);
-	int (*syslog) (int type);
+	int (*syslog) (int type, bool from_file);
 	int (*settime) (struct timespec *ts, struct timezone *tz);
 	int (*vm_enough_memory) (struct mm_struct *mm, long pages);
 
@@ -1761,7 +1765,7 @@ int security_acct(struct file *file);
 int security_sysctl(struct ctl_table *table, int op);
 int security_quotactl(int cmds, int type, int id, struct super_block *sb);
 int security_quota_on(struct dentry *dentry);
-int security_syslog(int type);
+int security_syslog(int type, bool from_file);
 int security_settime(struct timespec *ts, struct timezone *tz);
 int security_vm_enough_memory(long pages);
 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
@@ -2007,9 +2011,9 @@ static inline int security_quota_on(struct dentry *dentry)
 	return 0;
 }
 
-static inline int security_syslog(int type)
+static inline int security_syslog(int type, bool from_file)
 {
-	return cap_syslog(type);
+	return cap_syslog(type, from_file);
 }
 
 static inline int security_settime(struct timespec *ts, struct timezone *tz)
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index 8c3dd36fe91a..78dd1e7120a9 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -491,9 +491,13 @@ uart_handle_dcd_change(struct uart_port *uport, unsigned int status)
 {
 	struct uart_state *state = uport->state;
 	struct tty_port *port = &state->port;
+	struct tty_ldisc *ld = tty_ldisc_ref(port->tty);
+	struct timespec ts;
 
-	uport->icount.dcd++;
+	if (ld && ld->ops->dcd_change)
+		getnstimeofday(&ts);
 
+	uport->icount.dcd++;
 #ifdef CONFIG_HARD_PPS
 	if ((uport->flags & UPF_HARDPPS_CD) && status)
 		hardpps();
@@ -505,6 +509,11 @@ uart_handle_dcd_change(struct uart_port *uport, unsigned int status)
 		else if (port->tty)
 			tty_hangup(port->tty);
 	}
+
+	if (ld && ld->ops->dcd_change)
+		ld->ops->dcd_change(port->tty, status, &ts);
+	if (ld)
+		tty_ldisc_deref(ld);
 }
 
 /**
diff --git a/include/linux/serial_sci.h b/include/linux/serial_sci.h
index 1c297ddc9d5a..193d4bfe42ff 100644
--- a/include/linux/serial_sci.h
+++ b/include/linux/serial_sci.h
@@ -2,6 +2,9 @@
 #define __LINUX_SERIAL_SCI_H
 
 #include <linux/serial_core.h>
+#ifdef CONFIG_SERIAL_SH_SCI_DMA
+#include <asm/dmaengine.h>
+#endif
 
 /*
  * Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
@@ -16,6 +19,8 @@ enum {
 	SCIx_NR_IRQS,
 };
 
+struct device;
+
 /*
  * Platform device specific platform_data struct
  */
@@ -26,6 +31,11 @@ struct plat_sci_port {
 	unsigned int	type;			/* SCI / SCIF / IRDA */
 	upf_t		flags;			/* UPF_* flags */
 	char		*clk;			/* clock string */
+	struct device	*dma_dev;
+#ifdef CONFIG_SERIAL_SH_SCI_DMA
+	enum sh_dmae_slave_chan_id dma_slave_tx;
+	enum sh_dmae_slave_chan_id dma_slave_rx;
+#endif
 };
 
 #endif /* __LINUX_SERIAL_SCI_H */
diff --git a/include/linux/signal.h b/include/linux/signal.h
index ab9272cc270c..fcd2b14b1932 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -7,6 +7,8 @@
 #ifdef __KERNEL__
 #include <linux/list.h>
 
+/* for sysctl */
+extern int print_fatal_signals;
 /*
  * Real Time signals may be queued.
  */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 03f816a9b659..124f90cd5a38 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -190,9 +190,6 @@ struct skb_shared_info {
 	atomic_t	dataref;
 	unsigned short	nr_frags;
 	unsigned short	gso_size;
-#ifdef CONFIG_HAS_DMA
-	dma_addr_t	dma_head;
-#endif
 	/* Warning: this field is not always filled in (UFO)! */
 	unsigned short	gso_segs;
 	unsigned short  gso_type;
@@ -201,9 +198,6 @@ struct skb_shared_info {
 	struct sk_buff	*frag_list;
 	struct skb_shared_hwtstamps hwtstamps;
 	skb_frag_t	frags[MAX_SKB_FRAGS];
-#ifdef CONFIG_HAS_DMA
-	dma_addr_t	dma_maps[MAX_SKB_FRAGS];
-#endif
 	/* Intermediate layers must ensure that destructor_arg
 	 * remains valid until skb destructor */
 	void *		destructor_arg;
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 2da8372519f5..488446289cab 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -70,6 +70,11 @@
 #else
 # define SLAB_NOTRACK		0x00000000UL
 #endif
+#ifdef CONFIG_FAILSLAB
+# define SLAB_FAILSLAB		0x02000000UL	/* Fault injection mark */
+#else
+# define SLAB_FAILSLAB		0x00000000UL
+#endif
 
 /* The following flags affect the page allocator grouping pages by mobility */
 #define SLAB_RECLAIM_ACCOUNT	0x00020000UL		/* Objects are reclaimable */
diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h
index 1e14beb23f9b..0249d4175bac 100644
--- a/include/linux/slub_def.h
+++ b/include/linux/slub_def.h
@@ -38,8 +38,6 @@ struct kmem_cache_cpu {
 	void **freelist;	/* Pointer to first free per cpu object */
 	struct page *page;	/* The slab from which we are allocating */
 	int node;		/* The node of the page (or -1 for debug) */
-	unsigned int offset;	/* Freepointer offset (in word units) */
-	unsigned int objsize;	/* Size of an object (from kmem_cache) */
 #ifdef CONFIG_SLUB_STATS
 	unsigned stat[NR_SLUB_STAT_ITEMS];
 #endif
@@ -69,6 +67,7 @@ struct kmem_cache_order_objects {
  * Slab cache management.
  */
 struct kmem_cache {
+	struct kmem_cache_cpu *cpu_slab;
 	/* Used for retriving partial slabs etc */
 	unsigned long flags;
 	int size;		/* The size of an object including meta data */
@@ -104,11 +103,6 @@ struct kmem_cache {
 	int remote_node_defrag_ratio;
 	struct kmem_cache_node *node[MAX_NUMNODES];
 #endif
-#ifdef CONFIG_SMP
-	struct kmem_cache_cpu *cpu_slab[NR_CPUS];
-#else
-	struct kmem_cache_cpu cpu_slab;
-#endif
 };
 
 /*
@@ -135,11 +129,21 @@ struct kmem_cache {
 
 #define SLUB_PAGE_SHIFT (PAGE_SHIFT + 2)
 
+#ifdef CONFIG_ZONE_DMA
+#define SLUB_DMA __GFP_DMA
+/* Reserve extra caches for potential DMA use */
+#define KMALLOC_CACHES (2 * SLUB_PAGE_SHIFT - 6)
+#else
+/* Disable DMA functionality */
+#define SLUB_DMA (__force gfp_t)0
+#define KMALLOC_CACHES SLUB_PAGE_SHIFT
+#endif
+
 /*
  * We keep the general caches in an array of slab caches that are used for
  * 2^x bytes of allocations.
  */
-extern struct kmem_cache kmalloc_caches[SLUB_PAGE_SHIFT];
+extern struct kmem_cache kmalloc_caches[KMALLOC_CACHES];
 
 /*
  * Sorry that the following has to be that ugly but some versions of GCC
@@ -207,13 +211,6 @@ static __always_inline struct kmem_cache *kmalloc_slab(size_t size)
 	return &kmalloc_caches[index];
 }
 
-#ifdef CONFIG_ZONE_DMA
-#define SLUB_DMA __GFP_DMA
-#else
-/* Disable DMA functionality */
-#define SLUB_DMA (__force gfp_t)0
-#endif
-
 void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
 void *__kmalloc(size_t size, gfp_t flags);
 
diff --git a/include/linux/smp.h b/include/linux/smp.h
index 7a0570e6a596..cfa2d20e35f1 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -154,7 +154,7 @@ smp_call_function_any(const struct cpumask *mask, void (*func)(void *info),
 /*
  * smp_processor_id(): get the current CPU ID.
  *
- * if DEBUG_PREEMPT is enabled the we check whether it is
+ * if DEBUG_PREEMPT is enabled then we check whether it is
  * used in a preemption-safe way. (smp_processor_id() is safe
  * if it's used in a preemption-off critical section, or in
  * a thread that is bound to the current CPU.)
diff --git a/include/linux/snmp.h b/include/linux/snmp.h
index e28f5a0182e8..4435d1084755 100644
--- a/include/linux/snmp.h
+++ b/include/linux/snmp.h
@@ -225,6 +225,8 @@ enum
 	LINUX_MIB_SACKSHIFTED,
 	LINUX_MIB_SACKMERGED,
 	LINUX_MIB_SACKSHIFTFALLBACK,
+	LINUX_MIB_TCPBACKLOGDROP,
+	LINUX_MIB_TCPMINTTLDROP, /* RFC 5082 */
 	__LINUX_MIB_MAX
 };
 
diff --git a/include/linux/socket.h b/include/linux/socket.h
index 7b3aae2052a6..354cc5617f8b 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -255,6 +255,7 @@ struct ucred {
 #define MSG_ERRQUEUE	0x2000	/* Fetch message from error queue */
 #define MSG_NOSIGNAL	0x4000	/* Do not generate SIGPIPE */
 #define MSG_MORE	0x8000	/* Sender will send more */
+#define MSG_WAITFORONE	0x10000	/* recvmmsg(): block until 1+ packets avail */
 
 #define MSG_EOF         MSG_FIN
 
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h
index 51948eb6927a..b4ae570d3c98 100644
--- a/include/linux/spi/ads7846.h
+++ b/include/linux/spi/ads7846.h
@@ -12,7 +12,7 @@ enum ads7846_filter {
 };
 
 struct ads7846_platform_data {
-	u16	model;			/* 7843, 7845, 7846. */
+	u16	model;			/* 7843, 7845, 7846, 7873. */
 	u16	vref_delay_usecs;	/* 0 for external vref; etc */
 	u16	vref_mv;		/* external vref value, milliVolts */
 	bool	keep_vref_on;		/* set to keep vref on for differential
@@ -53,5 +53,6 @@ struct ads7846_platform_data {
 	int	(*filter)	(void *filter_data, int data_idx, int *val);
 	void	(*filter_cleanup)(void *filter_data);
 	void	(*wait_for_sync)(void);
+	bool	wakeup;
 };
 
diff --git a/include/linux/spi/l4f00242t03.h b/include/linux/spi/l4f00242t03.h
new file mode 100644
index 000000000000..aee1dbda4edc
--- /dev/null
+++ b/include/linux/spi/l4f00242t03.h
@@ -0,0 +1,31 @@
+/*
+ * l4f00242t03.h -- Platform glue for Epson L4F00242T03 LCD
+ *
+ * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
+ * Based on Marek Vasut work in lms283gf05.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#ifndef _INCLUDE_LINUX_SPI_L4F00242T03_H_
+#define _INCLUDE_LINUX_SPI_L4F00242T03_H_
+
+struct l4f00242t03_pdata {
+	unsigned int	reset_gpio;
+	unsigned int	data_enable_gpio;
+	const char 	*io_supply;	/* will be set to 1.8 V */
+	const char 	*core_supply;	/* will be set to 2.8 V */
+};
+
+#endif /* _INCLUDE_LINUX_SPI_L4F00242T03_H_ */
diff --git a/include/linux/spi/max7301.h b/include/linux/spi/max7301.h
index 6dfd83f19b4b..34af0a3477bf 100644
--- a/include/linux/spi/max7301.h
+++ b/include/linux/spi/max7301.h
@@ -1,9 +1,27 @@
 #ifndef LINUX_SPI_MAX7301_H
 #define LINUX_SPI_MAX7301_H
 
+#include <linux/gpio.h>
+
+/*
+ * Some registers must be read back to modify.
+ * To save time we cache them here in memory
+ */
+struct max7301 {
+	struct mutex	lock;
+	u8		port_config[8];	/* field 0 is unused */
+	u32		out_level;	/* cached output levels */
+	struct gpio_chip chip;
+	struct device *dev;
+	int (*write)(struct device *dev, unsigned int reg, unsigned int val);
+	int (*read)(struct device *dev, unsigned int reg);
+};
+
 struct max7301_platform_data {
 	/* number assigned to the first GPIO */
 	unsigned	base;
 };
 
+extern int __max730x_remove(struct device *dev);
+extern int __max730x_probe(struct max7301 *ts);
 #endif
diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h
index 86088213334a..89fac6a3f78b 100644
--- a/include/linux/spinlock.h
+++ b/include/linux/spinlock.h
@@ -128,19 +128,21 @@ static inline void smp_mb__after_lock(void) { smp_mb(); }
 #define raw_spin_unlock_wait(lock)	arch_spin_unlock_wait(&(lock)->raw_lock)
 
 #ifdef CONFIG_DEBUG_SPINLOCK
- extern void do_raw_spin_lock(raw_spinlock_t *lock);
+ extern void do_raw_spin_lock(raw_spinlock_t *lock) __acquires(lock);
 #define do_raw_spin_lock_flags(lock, flags) do_raw_spin_lock(lock)
  extern int do_raw_spin_trylock(raw_spinlock_t *lock);
- extern void do_raw_spin_unlock(raw_spinlock_t *lock);
+ extern void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock);
 #else
-static inline void do_raw_spin_lock(raw_spinlock_t *lock)
+static inline void do_raw_spin_lock(raw_spinlock_t *lock) __acquires(lock)
 {
+	__acquire(lock);
 	arch_spin_lock(&lock->raw_lock);
 }
 
 static inline void
-do_raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long *flags)
+do_raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long *flags) __acquires(lock)
 {
+	__acquire(lock);
 	arch_spin_lock_flags(&lock->raw_lock, *flags);
 }
 
@@ -149,9 +151,10 @@ static inline int do_raw_spin_trylock(raw_spinlock_t *lock)
 	return arch_spin_trylock(&(lock)->raw_lock);
 }
 
-static inline void do_raw_spin_unlock(raw_spinlock_t *lock)
+static inline void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock)
 {
 	arch_spin_unlock(&lock->raw_lock);
+	__release(lock);
 }
 #endif
 
diff --git a/include/linux/srcu.h b/include/linux/srcu.h
index 3084f80909cd..4d5ecb222af9 100644
--- a/include/linux/srcu.h
+++ b/include/linux/srcu.h
@@ -33,7 +33,7 @@ struct srcu_struct_array {
 
 struct srcu_struct {
 	int completed;
-	struct srcu_struct_array *per_cpu_ref;
+	struct srcu_struct_array __percpu *per_cpu_ref;
 	struct mutex mutex;
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 	struct lockdep_map dep_map;
diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h
index 6508f0dc0eff..7c91260c44a9 100644
--- a/include/linux/sunrpc/bc_xprt.h
+++ b/include/linux/sunrpc/bc_xprt.h
@@ -36,14 +36,32 @@ struct rpc_rqst *xprt_alloc_bc_request(struct rpc_xprt *xprt);
 void xprt_free_bc_request(struct rpc_rqst *req);
 int xprt_setup_backchannel(struct rpc_xprt *, unsigned int min_reqs);
 void xprt_destroy_backchannel(struct rpc_xprt *, int max_reqs);
-void bc_release_request(struct rpc_task *);
 int bc_send(struct rpc_rqst *req);
+
+/*
+ * Determine if a shared backchannel is in use
+ */
+static inline int svc_is_backchannel(const struct svc_rqst *rqstp)
+{
+	if (rqstp->rq_server->bc_xprt)
+		return 1;
+	return 0;
+}
 #else /* CONFIG_NFS_V4_1 */
 static inline int xprt_setup_backchannel(struct rpc_xprt *xprt,
 					 unsigned int min_reqs)
 {
 	return 0;
 }
+
+static inline int svc_is_backchannel(const struct svc_rqst *rqstp)
+{
+	return 0;
+}
+
+static inline void xprt_free_bc_request(struct rpc_rqst *req)
+{
+}
 #endif /* CONFIG_NFS_V4_1 */
 #endif /* _LINUX_SUNRPC_BC_XPRT_H */
 
diff --git a/include/linux/swap.h b/include/linux/swap.h
index a2602a8207a6..1f59d9340c4d 100644
--- a/include/linux/swap.h
+++ b/include/linux/swap.h
@@ -355,6 +355,7 @@ static inline void disable_swap_token(void)
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR
 extern void
 mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout);
+extern int mem_cgroup_count_swap_user(swp_entry_t ent, struct page **pagep);
 #else
 static inline void
 mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent, bool swapout)
@@ -485,6 +486,14 @@ mem_cgroup_uncharge_swapcache(struct page *page, swp_entry_t ent)
 {
 }
 
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+static inline int
+mem_cgroup_count_swap_user(swp_entry_t ent, struct page **pagep)
+{
+	return 0;
+}
+#endif
+
 #endif /* CONFIG_SWAP */
 #endif /* __KERNEL__*/
 #endif /* _LINUX_SWAP_H */
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index 8126f239edf0..057929b0a651 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -23,6 +23,7 @@ struct kexec_segment;
 struct linux_dirent;
 struct linux_dirent64;
 struct list_head;
+struct mmap_arg_struct;
 struct msgbuf;
 struct msghdr;
 struct mmsghdr;
@@ -30,10 +31,13 @@ struct msqid_ds;
 struct new_utsname;
 struct nfsctl_arg;
 struct __old_kernel_stat;
+struct oldold_utsname;
+struct old_utsname;
 struct pollfd;
 struct rlimit;
 struct rusage;
 struct sched_param;
+struct sel_arg_struct;
 struct semaphore;
 struct sembuf;
 struct shmid_ds;
@@ -101,18 +105,18 @@ struct perf_event_attr;
 
 #ifdef CONFIG_PERF_EVENTS
 
-#define TRACE_SYS_ENTER_PROFILE_INIT(sname)				       \
-	.profile_enable = prof_sysenter_enable,				       \
-	.profile_disable = prof_sysenter_disable,
+#define TRACE_SYS_ENTER_PERF_INIT(sname)				       \
+	.perf_event_enable = perf_sysenter_enable,			       \
+	.perf_event_disable = perf_sysenter_disable,
 
-#define TRACE_SYS_EXIT_PROFILE_INIT(sname)				       \
-	.profile_enable = prof_sysexit_enable,				       \
-	.profile_disable = prof_sysexit_disable,
+#define TRACE_SYS_EXIT_PERF_INIT(sname)					       \
+	.perf_event_enable = perf_sysexit_enable,			       \
+	.perf_event_disable = perf_sysexit_disable,
 #else
-#define TRACE_SYS_ENTER_PROFILE(sname)
-#define TRACE_SYS_ENTER_PROFILE_INIT(sname)
-#define TRACE_SYS_EXIT_PROFILE(sname)
-#define TRACE_SYS_EXIT_PROFILE_INIT(sname)
+#define TRACE_SYS_ENTER_PERF(sname)
+#define TRACE_SYS_ENTER_PERF_INIT(sname)
+#define TRACE_SYS_EXIT_PERF(sname)
+#define TRACE_SYS_EXIT_PERF_INIT(sname)
 #endif /* CONFIG_PERF_EVENTS */
 
 #ifdef CONFIG_FTRACE_SYSCALLS
@@ -149,7 +153,7 @@ struct perf_event_attr;
 		.regfunc		= reg_event_syscall_enter,	\
 		.unregfunc		= unreg_event_syscall_enter,	\
 		.data			= (void *)&__syscall_meta_##sname,\
-		TRACE_SYS_ENTER_PROFILE_INIT(sname)			\
+		TRACE_SYS_ENTER_PERF_INIT(sname)			\
 	}
 
 #define SYSCALL_TRACE_EXIT_EVENT(sname)					\
@@ -171,7 +175,7 @@ struct perf_event_attr;
 		.regfunc		= reg_event_syscall_exit,	\
 		.unregfunc		= unreg_event_syscall_exit,	\
 		.data			= (void *)&__syscall_meta_##sname,\
-		TRACE_SYS_EXIT_PROFILE_INIT(sname)			\
+		TRACE_SYS_EXIT_PERF_INIT(sname)			\
 	}
 
 #define SYSCALL_METADATA(sname, nb)				\
@@ -638,6 +642,7 @@ asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
 				long timeout);
 asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
 			fd_set __user *exp, struct timeval __user *tvp);
+asmlinkage long sys_old_select(struct sel_arg_struct __user *arg);
 asmlinkage long sys_epoll_create(int size);
 asmlinkage long sys_epoll_create1(int flags);
 asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
@@ -652,6 +657,8 @@ asmlinkage long sys_gethostname(char __user *name, int len);
 asmlinkage long sys_sethostname(char __user *name, int len);
 asmlinkage long sys_setdomainname(char __user *name, int len);
 asmlinkage long sys_newuname(struct new_utsname __user *name);
+asmlinkage long sys_uname(struct old_utsname __user *);
+asmlinkage long sys_olduname(struct oldold_utsname __user *);
 
 asmlinkage long sys_getrlimit(unsigned int resource,
 				struct rlimit __user *rlim);
@@ -681,6 +688,8 @@ asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg);
 asmlinkage long sys_shmget(key_t key, size_t size, int flag);
 asmlinkage long sys_shmdt(char __user *shmaddr);
 asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf);
+asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second,
+		unsigned long third, void __user *ptr, long fifth);
 
 asmlinkage long sys_mq_open(const char __user *name, int oflag, mode_t mode, struct mq_attr __user *attr);
 asmlinkage long sys_mq_unlink(const char __user *name);
@@ -836,4 +845,6 @@ asmlinkage long sys_perf_event_open(
 asmlinkage long sys_mmap_pgoff(unsigned long addr, unsigned long len,
 			unsigned long prot, unsigned long flags,
 			unsigned long fd, unsigned long pgoff);
+asmlinkage long sys_old_mmap(struct mmap_arg_struct __user *arg);
+
 #endif
diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h
index f395bb3fa2f2..1154c29f4101 100644
--- a/include/linux/sysdev.h
+++ b/include/linux/sysdev.h
@@ -27,10 +27,12 @@
 
 
 struct sys_device;
+struct sysdev_class_attribute;
 
 struct sysdev_class {
 	const char *name;
 	struct list_head	drivers;
+	struct sysdev_class_attribute **attrs;
 
 	/* Default operations for these types of devices */
 	int	(*shutdown)(struct sys_device *);
@@ -41,8 +43,10 @@ struct sysdev_class {
 
 struct sysdev_class_attribute {
 	struct attribute attr;
-	ssize_t (*show)(struct sysdev_class *, char *);
-	ssize_t (*store)(struct sysdev_class *, const char *, size_t);
+	ssize_t (*show)(struct sysdev_class *, struct sysdev_class_attribute *,
+			char *);
+	ssize_t (*store)(struct sysdev_class *, struct sysdev_class_attribute *,
+			 const char *, size_t);
 };
 
 #define _SYSDEV_CLASS_ATTR(_name,_mode,_show,_store) 		\
@@ -119,6 +123,19 @@ struct sysdev_attribute {
 extern int sysdev_create_file(struct sys_device *, struct sysdev_attribute *);
 extern void sysdev_remove_file(struct sys_device *, struct sysdev_attribute *);
 
+/* Create/remove NULL terminated attribute list */
+static inline int
+sysdev_create_files(struct sys_device *d, struct sysdev_attribute **a)
+{
+	return sysfs_create_files(&d->kobj, (const struct attribute **)a);
+}
+
+static inline void
+sysdev_remove_files(struct sys_device *d, struct sysdev_attribute **a)
+{
+	return sysfs_remove_files(&d->kobj, (const struct attribute **)a);
+}
+
 struct sysdev_ext_attribute {
 	struct sysdev_attribute attr;
 	void *var;
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index cfa83083a2d4..f0496b3d1811 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -15,6 +15,7 @@
 #include <linux/compiler.h>
 #include <linux/errno.h>
 #include <linux/list.h>
+#include <linux/lockdep.h>
 #include <asm/atomic.h>
 
 struct kobject;
@@ -29,8 +30,33 @@ struct attribute {
 	const char		*name;
 	struct module		*owner;
 	mode_t			mode;
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+	struct lock_class_key	*key;
+	struct lock_class_key	skey;
+#endif
 };
 
+/**
+ *	sysfs_attr_init - initialize a dynamically allocated sysfs attribute
+ *	@attr: struct attribute to initialize
+ *
+ *	Initialize a dynamically allocated struct attribute so we can
+ *	make lockdep happy.  This is a new requirement for attributes
+ *	and initially this is only needed when lockdep is enabled.
+ *	Lockdep gives a nice error when your attribute is added to
+ *	sysfs if you don't have this.
+ */
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+#define sysfs_attr_init(attr)				\
+do {							\
+	static struct lock_class_key __key;		\
+							\
+	(attr)->key = &__key;				\
+} while(0)
+#else
+#define sysfs_attr_init(attr) do {} while(0)
+#endif
+
 struct attribute_group {
 	const char		*name;
 	mode_t			(*is_visible)(struct kobject *,
@@ -74,6 +100,18 @@ struct bin_attribute {
 		    struct vm_area_struct *vma);
 };
 
+/**
+ *	sysfs_bin_attr_init - initialize a dynamically allocated bin_attribute
+ *	@attr: struct bin_attribute to initialize
+ *
+ *	Initialize a dynamically allocated struct bin_attribute so we
+ *	can make lockdep happy.  This is a new requirement for
+ *	attributes and initially this is only needed when lockdep is
+ *	enabled.  Lockdep gives a nice error when your attribute is
+ *	added to sysfs if you don't have this.
+ */
+#define sysfs_bin_attr_init(bin_attr) sysfs_attr_init(&(bin_attr)->attr)
+
 struct sysfs_ops {
 	ssize_t	(*show)(struct kobject *, struct attribute *,char *);
 	ssize_t	(*store)(struct kobject *,struct attribute *,const char *, size_t);
@@ -94,9 +132,12 @@ int __must_check sysfs_move_dir(struct kobject *kobj,
 
 int __must_check sysfs_create_file(struct kobject *kobj,
 				   const struct attribute *attr);
+int __must_check sysfs_create_files(struct kobject *kobj,
+				   const struct attribute **attr);
 int __must_check sysfs_chmod_file(struct kobject *kobj, struct attribute *attr,
 				  mode_t mode);
 void sysfs_remove_file(struct kobject *kobj, const struct attribute *attr);
+void sysfs_remove_files(struct kobject *kobj, const struct attribute **attr);
 
 int __must_check sysfs_create_bin_file(struct kobject *kobj,
 				       const struct bin_attribute *attr);
@@ -110,6 +151,9 @@ int __must_check sysfs_create_link_nowarn(struct kobject *kobj,
 					  const char *name);
 void sysfs_remove_link(struct kobject *kobj, const char *name);
 
+int sysfs_rename_link(struct kobject *kobj, struct kobject *target,
+			const char *old_name, const char *new_name);
+
 int __must_check sysfs_create_group(struct kobject *kobj,
 				    const struct attribute_group *grp);
 int sysfs_update_group(struct kobject *kobj,
@@ -164,6 +208,12 @@ static inline int sysfs_create_file(struct kobject *kobj,
 	return 0;
 }
 
+static inline int sysfs_create_files(struct kobject *kobj,
+				    const struct attribute **attr)
+{
+	return 0;
+}
+
 static inline int sysfs_chmod_file(struct kobject *kobj,
 				   struct attribute *attr, mode_t mode)
 {
@@ -175,6 +225,11 @@ static inline void sysfs_remove_file(struct kobject *kobj,
 {
 }
 
+static inline void sysfs_remove_files(struct kobject *kobj,
+				     const struct attribute **attr)
+{
+}
+
 static inline int sysfs_create_bin_file(struct kobject *kobj,
 					const struct bin_attribute *attr)
 {
@@ -203,6 +258,12 @@ static inline void sysfs_remove_link(struct kobject *kobj, const char *name)
 {
 }
 
+static inline int sysfs_rename_link(struct kobject *k, struct kobject *t,
+				    const char *old_name, const char *new_name)
+{
+	return 0;
+}
+
 static inline int sysfs_create_group(struct kobject *kobj,
 				     const struct attribute_group *grp)
 {
diff --git a/include/linux/syslog.h b/include/linux/syslog.h
new file mode 100644
index 000000000000..38911391a139
--- /dev/null
+++ b/include/linux/syslog.h
@@ -0,0 +1,52 @@
+/*  Syslog internals
+ *
+ *  Copyright 2010 Canonical, Ltd.
+ *  Author: Kees Cook <kees.cook@canonical.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; see the file COPYING.  If not, write to
+ *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _LINUX_SYSLOG_H
+#define _LINUX_SYSLOG_H
+
+/* Close the log.  Currently a NOP. */
+#define SYSLOG_ACTION_CLOSE          0
+/* Open the log. Currently a NOP. */
+#define SYSLOG_ACTION_OPEN           1
+/* Read from the log. */
+#define SYSLOG_ACTION_READ           2
+/* Read all messages remaining in the ring buffer. */
+#define SYSLOG_ACTION_READ_ALL       3
+/* Read and clear all messages remaining in the ring buffer */
+#define SYSLOG_ACTION_READ_CLEAR     4
+/* Clear ring buffer. */
+#define SYSLOG_ACTION_CLEAR          5
+/* Disable printk's to console */
+#define SYSLOG_ACTION_CONSOLE_OFF    6
+/* Enable printk's to console */
+#define SYSLOG_ACTION_CONSOLE_ON     7
+/* Set level of messages printed to console */
+#define SYSLOG_ACTION_CONSOLE_LEVEL  8
+/* Return number of unread characters in the log buffer */
+#define SYSLOG_ACTION_SIZE_UNREAD    9
+/* Return size of the log buffer */
+#define SYSLOG_ACTION_SIZE_BUFFER   10
+
+#define SYSLOG_FROM_CALL 0
+#define SYSLOG_FROM_FILE 1
+
+int do_syslog(int type, char __user *buf, int count, bool from_file);
+
+#endif /* _LINUX_SYSLOG_H */
diff --git a/include/linux/taskstats_kern.h b/include/linux/taskstats_kern.h
index 3398f4553269..b6523c1427ce 100644
--- a/include/linux/taskstats_kern.h
+++ b/include/linux/taskstats_kern.h
@@ -14,11 +14,6 @@
 extern struct kmem_cache *taskstats_cache;
 extern struct mutex taskstats_exit_mutex;
 
-static inline void taskstats_tgid_init(struct signal_struct *sig)
-{
-	sig->stats = NULL;
-}
-
 static inline void taskstats_tgid_free(struct signal_struct *sig)
 {
 	if (sig->stats)
@@ -30,8 +25,6 @@ extern void taskstats_init_early(void);
 #else
 static inline void taskstats_exit(struct task_struct *tsk, int group_dead)
 {}
-static inline void taskstats_tgid_init(struct signal_struct *sig)
-{}
 static inline void taskstats_tgid_free(struct signal_struct *sig)
 {}
 static inline void taskstats_init_early(void)
diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h
index f59604ed0ec6..78b4bd3be496 100644
--- a/include/linux/tracepoint.h
+++ b/include/linux/tracepoint.h
@@ -49,7 +49,7 @@ struct tracepoint {
 		void **it_func;						\
 									\
 		rcu_read_lock_sched_notrace();				\
-		it_func = rcu_dereference((tp)->funcs);			\
+		it_func = rcu_dereference_sched((tp)->funcs);		\
 		if (it_func) {						\
 			do {						\
 				((void(*)(proto))(*it_func))(args);	\
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 6abfcf5b5887..4409967db0c4 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -68,6 +68,17 @@ struct tty_buffer {
 	unsigned long data[0];
 };
 
+/*
+ * We default to dicing tty buffer allocations to this many characters
+ * in order to avoid multiple page allocations. We know the size of
+ * tty_buffer itself but it must also be taken into account that the
+ * the buffer is 256 byte aligned. See tty_buffer_find for the allocation
+ * logic this must match
+ */
+
+#define TTY_BUFFER_PAGE	(((PAGE_SIZE - sizeof(struct tty_buffer)) / 2) & ~0xFF)
+
+
 struct tty_bufhead {
 	struct delayed_work work;
 	spinlock_t lock;
@@ -213,6 +224,7 @@ struct tty_port {
 	wait_queue_head_t	close_wait;	/* Close waiters */
 	wait_queue_head_t	delta_msr_wait;	/* Modem status change */
 	unsigned long		flags;		/* TTY flags ASY_*/
+	unsigned char		console:1;	/* port is a console */
 	struct mutex		mutex;		/* Locking */
 	struct mutex		buf_mutex;	/* Buffer alloc lock */
 	unsigned char		*xmit_buf;	/* Optional buffer */
@@ -504,6 +516,7 @@ extern void tty_ldisc_enable(struct tty_struct *tty);
 
 /* n_tty.c */
 extern struct tty_ldisc_ops tty_ldisc_N_TTY;
+extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops);
 
 /* tty_audit.c */
 #ifdef CONFIG_AUDIT
diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h
index eb677cf56106..9239d033a0a3 100644
--- a/include/linux/tty_flip.h
+++ b/include/linux/tty_flip.h
@@ -2,8 +2,8 @@
 #define _LINUX_TTY_FLIP_H
 
 extern int tty_buffer_request_room(struct tty_struct *tty, size_t size);
-extern int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size);
 extern int tty_insert_flip_string_flags(struct tty_struct *tty, const unsigned char *chars, const char *flags, size_t size);
+extern int tty_insert_flip_string_fixed_flag(struct tty_struct *tty, const unsigned char *chars, char flag, size_t size);
 extern int tty_prepare_flip_string(struct tty_struct *tty, unsigned char **chars, size_t size);
 extern int tty_prepare_flip_string_flags(struct tty_struct *tty, unsigned char **chars, char **flags, size_t size);
 void tty_schedule_flip(struct tty_struct *tty);
@@ -20,4 +20,9 @@ static inline int tty_insert_flip_char(struct tty_struct *tty,
 	return tty_insert_flip_string_flags(tty, &ch, &flag, 1);
 }
 
+static inline int tty_insert_flip_string(struct tty_struct *tty, const unsigned char *chars, size_t size)
+{
+	return tty_insert_flip_string_fixed_flag(tty, chars, TTY_NORMAL, size);
+}
+
 #endif /* _LINUX_TTY_FLIP_H */
diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h
index 0c4ee9b88f85..526d66f066a3 100644
--- a/include/linux/tty_ldisc.h
+++ b/include/linux/tty_ldisc.h
@@ -99,6 +99,12 @@
  *	cease I/O to the tty driver. Can sleep. The driver should
  *	seek to perform this action quickly but should wait until
  *	any pending driver I/O is completed.
+ *
+ * void (*dcd_change)(struct tty_struct *tty, unsigned int status,
+ * 			struct timespec *ts)
+ *
+ *	Tells the discipline that the DCD pin has changed its status and
+ *	the relative timestamp. Pointer ts can be NULL.
  */
 
 #include <linux/fs.h>
@@ -136,6 +142,8 @@ struct tty_ldisc_ops {
 	void	(*receive_buf)(struct tty_struct *, const unsigned char *cp,
 			       char *fp, int count);
 	void	(*write_wakeup)(struct tty_struct *);
+	void	(*dcd_change)(struct tty_struct *, unsigned int,
+				struct timespec *);
 
 	struct  module *owner;
 	
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 332eaea61021..ce1323c4e47c 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -122,7 +122,6 @@ enum usb_interface_condition {
  *	number from the USB core by calling usb_register_dev().
  * @condition: binding state of the interface: not bound, binding
  *	(in probe()), bound to a driver, or unbinding (in disconnect())
- * @is_active: flag set when the interface is bound and not suspended.
  * @sysfs_files_created: sysfs attributes exist
  * @ep_devs_created: endpoint child pseudo-devices exist
  * @unregistering: flag set when the interface is being unregistered
@@ -135,8 +134,7 @@ enum usb_interface_condition {
  * @dev: driver model's view of this device
  * @usb_dev: if an interface is bound to the USB major, this will point
  *	to the sysfs representation for that device.
- * @pm_usage_cnt: PM usage counter for this interface; autosuspend is not
- *	allowed unless the counter is 0.
+ * @pm_usage_cnt: PM usage counter for this interface
  * @reset_ws: Used for scheduling resets from atomic context.
  * @reset_running: set to 1 if the interface is currently running a
  *      queued reset so that usb_cancel_queued_reset() doesn't try to
@@ -184,7 +182,6 @@ struct usb_interface {
 	int minor;			/* minor number this interface is
 					 * bound to */
 	enum usb_interface_condition condition;		/* state of binding */
-	unsigned is_active:1;		/* the interface is not suspended */
 	unsigned sysfs_files_created:1;	/* the sysfs attributes exist */
 	unsigned ep_devs_created:1;	/* endpoint "devices" exist */
 	unsigned unregistering:1;	/* unregistration is in progress */
@@ -401,7 +398,6 @@ struct usb_tt;
  * @portnum: parent port number (origin 1)
  * @level: number of USB hub ancestors
  * @can_submit: URBs may be submitted
- * @discon_suspended: disconnected while suspended
  * @persist_enabled:  USB_PERSIST enabled for this device
  * @have_langid: whether string_langid is valid
  * @authorized: policy has said we can use it;
@@ -421,20 +417,15 @@ struct usb_tt;
  * @usbfs_dentry: usbfs dentry entry for the device
  * @maxchild: number of ports if hub
  * @children: child devices - USB devices that are attached to this hub
- * @pm_usage_cnt: usage counter for autosuspend
  * @quirks: quirks of the whole device
  * @urbnum: number of URBs submitted for the whole device
  * @active_duration: total time device is not suspended
- * @autosuspend: for delayed autosuspends
- * @autoresume: for autoresumes requested while in_interrupt
- * @pm_mutex: protects PM operations
  * @last_busy: time of last use
  * @autosuspend_delay: in jiffies
  * @connect_time: time device was first connected
  * @do_remote_wakeup:  remote wakeup should be enabled
  * @reset_resume: needs reset instead of resume
  * @autosuspend_disabled: autosuspend disabled by the user
- * @skip_sys_resume: skip the next system resume
  * @wusb_dev: if this is a Wireless USB device, link to the WUSB
  *	specific data for the device.
  * @slot_id: Slot ID assigned by xHCI
@@ -475,7 +466,6 @@ struct usb_device {
 	u8 level;
 
 	unsigned can_submit:1;
-	unsigned discon_suspended:1;
 	unsigned persist_enabled:1;
 	unsigned have_langid:1;
 	unsigned authorized:1;
@@ -499,17 +489,12 @@ struct usb_device {
 	int maxchild;
 	struct usb_device *children[USB_MAXCHILDREN];
 
-	int pm_usage_cnt;
 	u32 quirks;
 	atomic_t urbnum;
 
 	unsigned long active_duration;
 
 #ifdef CONFIG_PM
-	struct delayed_work autosuspend;
-	struct work_struct autoresume;
-	struct mutex pm_mutex;
-
 	unsigned long last_busy;
 	int autosuspend_delay;
 	unsigned long connect_time;
@@ -517,7 +502,6 @@ struct usb_device {
 	unsigned do_remote_wakeup:1;
 	unsigned reset_resume:1;
 	unsigned autosuspend_disabled:1;
-	unsigned skip_sys_resume:1;
 #endif
 	struct wusb_dev *wusb_dev;
 	int slot_id;
@@ -528,9 +512,9 @@ extern struct usb_device *usb_get_dev(struct usb_device *dev);
 extern void usb_put_dev(struct usb_device *dev);
 
 /* USB device locking */
-#define usb_lock_device(udev)		down(&(udev)->dev.sem)
-#define usb_unlock_device(udev)		up(&(udev)->dev.sem)
-#define usb_trylock_device(udev)	down_trylock(&(udev)->dev.sem)
+#define usb_lock_device(udev)		device_lock(&(udev)->dev)
+#define usb_unlock_device(udev)		device_unlock(&(udev)->dev)
+#define usb_trylock_device(udev)	device_trylock(&(udev)->dev)
 extern int usb_lock_device_for_reset(struct usb_device *udev,
 				     const struct usb_interface *iface);
 
@@ -542,21 +526,15 @@ extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id);
 
 /* USB autosuspend and autoresume */
 #ifdef CONFIG_USB_SUSPEND
+extern int usb_enable_autosuspend(struct usb_device *udev);
+extern int usb_disable_autosuspend(struct usb_device *udev);
+
 extern int usb_autopm_get_interface(struct usb_interface *intf);
 extern void usb_autopm_put_interface(struct usb_interface *intf);
 extern int usb_autopm_get_interface_async(struct usb_interface *intf);
 extern void usb_autopm_put_interface_async(struct usb_interface *intf);
-
-static inline void usb_autopm_get_interface_no_resume(
-		struct usb_interface *intf)
-{
-	atomic_inc(&intf->pm_usage_cnt);
-}
-static inline void usb_autopm_put_interface_no_suspend(
-		struct usb_interface *intf)
-{
-	atomic_dec(&intf->pm_usage_cnt);
-}
+extern void usb_autopm_get_interface_no_resume(struct usb_interface *intf);
+extern void usb_autopm_put_interface_no_suspend(struct usb_interface *intf);
 
 static inline void usb_mark_last_busy(struct usb_device *udev)
 {
@@ -565,6 +543,11 @@ static inline void usb_mark_last_busy(struct usb_device *udev)
 
 #else
 
+static inline int usb_enable_autosuspend(struct usb_device *udev)
+{ return 0; }
+static inline int usb_disable_autosuspend(struct usb_device *udev)
+{ return 0; }
+
 static inline int usb_autopm_get_interface(struct usb_interface *intf)
 { return 0; }
 static inline int usb_autopm_get_interface_async(struct usb_interface *intf)
@@ -1072,7 +1055,8 @@ typedef void (*usb_complete_t)(struct urb *);
  * @number_of_packets: Lists the number of ISO transfer buffers.
  * @interval: Specifies the polling interval for interrupt or isochronous
  *	transfers.  The units are frames (milliseconds) for full and low
- *	speed devices, and microframes (1/8 millisecond) for highspeed ones.
+ *	speed devices, and microframes (1/8 millisecond) for highspeed
+ *	and SuperSpeed devices.
  * @error_count: Returns the number of ISO transfers that reported errors.
  * @context: For use in completion functions.  This normally points to
  *	request-specific driver context.
@@ -1303,9 +1287,16 @@ static inline void usb_fill_bulk_urb(struct urb *urb,
  *
  * Initializes a interrupt urb with the proper information needed to submit
  * it to a device.
- * Note that high speed interrupt endpoints use a logarithmic encoding of
- * the endpoint interval, and express polling intervals in microframes
- * (eight per millisecond) rather than in frames (one per millisecond).
+ *
+ * Note that High Speed and SuperSpeed interrupt endpoints use a logarithmic
+ * encoding of the endpoint interval, and express polling intervals in
+ * microframes (eight per millisecond) rather than in frames (one per
+ * millisecond).
+ *
+ * Wireless USB also uses the logarithmic encoding, but specifies it in units of
+ * 128us instead of 125us.  For Wireless USB devices, the interval is passed
+ * through to the host controller, rather than being translated into microframe
+ * units.
  */
 static inline void usb_fill_int_urb(struct urb *urb,
 				    struct usb_device *dev,
@@ -1322,7 +1313,7 @@ static inline void usb_fill_int_urb(struct urb *urb,
 	urb->transfer_buffer_length = buffer_length;
 	urb->complete = complete_fn;
 	urb->context = context;
-	if (dev->speed == USB_SPEED_HIGH)
+	if (dev->speed == USB_SPEED_HIGH || dev->speed == USB_SPEED_SUPER)
 		urb->interval = 1 << (interval - 1);
 	else
 		urb->interval = interval;
@@ -1583,14 +1574,18 @@ extern void usb_register_notify(struct notifier_block *nb);
 extern void usb_unregister_notify(struct notifier_block *nb);
 
 #ifdef DEBUG
-#define dbg(format, arg...) printk(KERN_DEBUG "%s: " format "\n" , \
-	__FILE__ , ## arg)
+#define dbg(format, arg...)						\
+	printk(KERN_DEBUG "%s: " format "\n", __FILE__, ##arg)
 #else
-#define dbg(format, arg...) do {} while (0)
+#define dbg(format, arg...)						\
+do {									\
+	if (0)								\
+		printk(KERN_DEBUG "%s: " format "\n", __FILE__, ##arg); \
+} while (0)
 #endif
 
-#define err(format, arg...) printk(KERN_ERR KBUILD_MODNAME ": " \
-	format "\n" , ## arg)
+#define err(format, arg...)					\
+	printk(KERN_ERR KBUILD_MODNAME ": " format "\n", ##arg)
 
 /* debugfs stuff */
 extern struct dentry *usb_debug_root;
diff --git a/include/linux/usb/Kbuild b/include/linux/usb/Kbuild
index 54c446309a2a..29fd73b0bffc 100644
--- a/include/linux/usb/Kbuild
+++ b/include/linux/usb/Kbuild
@@ -5,4 +5,3 @@ header-y += gadgetfs.h
 header-y += midi.h
 header-y += g_printer.h
 header-y += tmc.h
-header-y += vstusb.h
diff --git a/include/linux/usb/atmel_usba_udc.h b/include/linux/usb/atmel_usba_udc.h
index 6311fa2d9f82..baf41c8616e9 100644
--- a/include/linux/usb/atmel_usba_udc.h
+++ b/include/linux/usb/atmel_usba_udc.h
@@ -15,6 +15,7 @@ struct usba_ep_data {
 
 struct usba_platform_data {
 	int			vbus_pin;
+	int		 	vbus_pin_inverted;
 	int			num_ep;
 	struct usba_ep_data	ep[0];
 };
diff --git a/include/linux/usb/audio.h b/include/linux/usb/audio.h
index 6bb293684eb8..4d3e450e2b03 100644
--- a/include/linux/usb/audio.h
+++ b/include/linux/usb/audio.h
@@ -269,8 +269,8 @@ struct uac_format_type_i_ext_descriptor {
 	__u8 bLength;
 	__u8 bDescriptorType;
 	__u8 bDescriptorSubtype;
-	__u8 bSubslotSize;
 	__u8 bFormatType;
+	__u8 bSubslotSize;
 	__u8 bBitResolution;
 	__u8 bHeaderLength;
 	__u8 bControlSize;
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 94012e649d86..e58369ff8168 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -775,7 +775,7 @@ enum usb_device_speed {
 	USB_SPEED_UNKNOWN = 0,			/* enumerating */
 	USB_SPEED_LOW, USB_SPEED_FULL,		/* usb 1.1 */
 	USB_SPEED_HIGH,				/* usb 2.0 */
-	USB_SPEED_VARIABLE,			/* wireless (usb 2.5) */
+	USB_SPEED_WIRELESS,			/* wireless (usb 2.5) */
 	USB_SPEED_SUPER,			/* usb 3.0 */
 };
 
diff --git a/include/linux/usb/musb.h b/include/linux/usb/musb.h
index 5dc2f227a0f1..7acef0234c0e 100644
--- a/include/linux/usb/musb.h
+++ b/include/linux/usb/musb.h
@@ -30,26 +30,26 @@ struct musb_hdrc_eps_bits {
 struct musb_hdrc_config {
 	/* MUSB configuration-specific details */
 	unsigned	multipoint:1;	/* multipoint device */
-	unsigned	dyn_fifo:1;	/* supports dynamic fifo sizing */
-	unsigned	soft_con:1;	/* soft connect required */
-	unsigned	utm_16:1;	/* utm data witdh is 16 bits */
+	unsigned	dyn_fifo:1 __deprecated; /* supports dynamic fifo sizing */
+	unsigned	soft_con:1 __deprecated; /* soft connect required */
+	unsigned	utm_16:1 __deprecated; /* utm data witdh is 16 bits */
 	unsigned	big_endian:1;	/* true if CPU uses big-endian */
 	unsigned	mult_bulk_tx:1;	/* Tx ep required for multbulk pkts */
 	unsigned	mult_bulk_rx:1;	/* Rx ep required for multbulk pkts */
 	unsigned	high_iso_tx:1;	/* Tx ep required for HB iso */
 	unsigned	high_iso_rx:1;	/* Rx ep required for HD iso */
-	unsigned	dma:1;		/* supports DMA */
-	unsigned	vendor_req:1;	/* vendor registers required */
+	unsigned	dma:1 __deprecated; /* supports DMA */
+	unsigned	vendor_req:1 __deprecated; /* vendor registers required */
 
 	u8		num_eps;	/* number of endpoints _with_ ep0 */
-	u8		dma_channels;	/* number of dma channels */
+	u8		dma_channels __deprecated; /* number of dma channels */
 	u8		dyn_fifo_size;	/* dynamic size in bytes */
-	u8		vendor_ctrl;	/* vendor control reg width */
-	u8		vendor_stat;	/* vendor status reg witdh */
-	u8		dma_req_chan;	/* bitmask for required dma channels */
+	u8		vendor_ctrl __deprecated; /* vendor control reg width */
+	u8		vendor_stat __deprecated; /* vendor status reg witdh */
+	u8		dma_req_chan __deprecated; /* bitmask for required dma channels */
 	u8		ram_bits;	/* ram address size */
 
-	struct musb_hdrc_eps_bits *eps_bits;
+	struct musb_hdrc_eps_bits *eps_bits __deprecated;
 #ifdef CONFIG_BLACKFIN
         /* A GPIO controlling VRSEL in Blackfin */
         unsigned int    gpio_vrsel;
@@ -76,6 +76,9 @@ struct musb_hdrc_platform_data {
 	/* (HOST or OTG) msec/2 after VBUS on till power good */
 	u8		potpgt;
 
+	/* (HOST or OTG) program PHY for external Vbus */
+	unsigned	extvbus:1;
+
 	/* Power the device on or off */
 	int		(*set_power)(int state);
 
diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index fef0972c8146..f8302d036a76 100644
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -9,6 +9,8 @@
 #ifndef __LINUX_USB_OTG_H
 #define __LINUX_USB_OTG_H
 
+#include <linux/notifier.h>
+
 /* OTG defines lots of enumeration states before device reset */
 enum usb_otg_state {
 	OTG_STATE_UNDEFINED = 0,
@@ -33,6 +35,14 @@ enum usb_otg_state {
 	OTG_STATE_A_VBUS_ERR,
 };
 
+enum usb_xceiv_events {
+	USB_EVENT_NONE,         /* no events or cable disconnected */
+	USB_EVENT_VBUS,         /* vbus valid event */
+	USB_EVENT_ID,           /* id was grounded */
+	USB_EVENT_CHARGER,      /* usb dedicated charger */
+	USB_EVENT_ENUMERATED,   /* gadget driver enumerated */
+};
+
 #define USB_OTG_PULLUP_ID		(1 << 0)
 #define USB_OTG_PULLDOWN_DP		(1 << 1)
 #define USB_OTG_PULLDOWN_DM		(1 << 2)
@@ -70,6 +80,9 @@ struct otg_transceiver {
 	struct otg_io_access_ops	*io_ops;
 	void __iomem			*io_priv;
 
+	/* for notification of usb_xceiv_events */
+	struct blocking_notifier_head	notifier;
+
 	/* to pass extra port status to the root hub */
 	u16			port_status;
 	u16			port_change;
@@ -213,6 +226,18 @@ otg_start_srp(struct otg_transceiver *otg)
 	return otg->start_srp(otg);
 }
 
+/* notifiers */
+static inline int
+otg_register_notifier(struct otg_transceiver *otg, struct notifier_block *nb)
+{
+	return blocking_notifier_chain_register(&otg->notifier, nb);
+}
+
+static inline void
+otg_unregister_notifier(struct otg_transceiver *otg, struct notifier_block *nb)
+{
+	blocking_notifier_chain_unregister(&otg->notifier, nb);
+}
 
 /* for OTG controller drivers (and maybe other stuff) */
 extern int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num);
diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
index 2526f3bbd273..0a555dd131fc 100644
--- a/include/linux/usb/quirks.h
+++ b/include/linux/usb/quirks.h
@@ -19,4 +19,7 @@
 /* device can't handle its Configuration or Interface strings */
 #define USB_QUIRK_CONFIG_INTF_STRINGS	0x00000008
 
+/*device will morph if reset, don't use reset for handling errors */
+#define USB_QUIRK_RESET_MORPHS		0x00000010
+
 #endif /* __LINUX_USB_QUIRKS_H */
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index 1819396ed501..0a458b861933 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -351,14 +351,11 @@ static inline void usb_serial_debug_data(int debug,
 
 /* Use our own dbg macro */
 #undef dbg
-#define dbg(format, arg...) \
-	do { \
-		if (debug) \
-			printk(KERN_DEBUG "%s: " format "\n" , __FILE__ , \
-				## arg); \
-	} while (0)
-
-
+#define dbg(format, arg...)						\
+do {									\
+	if (debug)							\
+		printk(KERN_DEBUG "%s: " format "\n", __FILE__, ##arg);	\
+} while (0)
 
 #endif /* __LINUX_USB_SERIAL_H */
 
diff --git a/include/linux/usb/vstusb.h b/include/linux/usb/vstusb.h
deleted file mode 100644
index 1cfac67191ff..000000000000
--- a/include/linux/usb/vstusb.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/*****************************************************************************
- *  File: drivers/usb/misc/vstusb.h
- *
- *  Purpose: Support for the bulk USB Vernier Spectrophotometers
- *
- *  Author:     EQware Engineering, Inc.
- *              Oregon City, OR, USA 97045
- *
- *  Copyright:  2007, 2008
- *              Vernier Software & Technology
- *              Beaverton, OR, USA 97005
- *
- *  Web:        www.vernier.com
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  published by the Free Software Foundation.
- *
- *****************************************************************************/
-/*****************************************************************************
- *
- *  The vstusb module is a standard usb 'client' driver running on top of the
- *  standard usb host controller stack.
- *
- *  In general, vstusb supports standard bulk usb pipes.  It supports multiple
- *  devices and multiple pipes per device.
- *
- *  The vstusb driver supports two interfaces:
- *  1 - ioctl SEND_PIPE/RECV_PIPE - a general bulk write/read msg
- *  	interface to any pipe with timeout support;
- *  2 - standard read/write with ioctl config - offers standard read/write
- *  	interface with ioctl configured pipes and timeouts.
- *
- *  Both interfaces can be signal from other process and will abort its i/o
- *  operation.
- *
- *  A timeout of 0 means NO timeout.  The user can still terminate the read via
- *  signal.
- *
- *  If using multiple threads with this driver, the user should ensure that
- *  any reads, writes, or ioctls are complete before closing the device.
- *  Changing read/write timeouts or pipes takes effect on next read/write.
- *
- *****************************************************************************/
-
-struct vstusb_args {
-	union {
-		/* this struct is used for IOCTL_VSTUSB_SEND_PIPE,	*
-		 * IOCTL_VSTUSB_RECV_PIPE, and read()/write() fops	*/
-		struct {
-			void __user	*buffer;
-			size_t          count;
-			unsigned int    timeout_ms;
-			int             pipe;
-		};
-
-		/* this one is used for IOCTL_VSTUSB_CONFIG_RW  	*/
-		struct {
-			int rd_pipe;
-			int rd_timeout_ms;
-			int wr_pipe;
-			int wr_timeout_ms;
-		};
-	};
-};
-
-#define VST_IOC_MAGIC 'L'
-#define VST_IOC_FIRST 0x20
-#define IOCTL_VSTUSB_SEND_PIPE	_IO(VST_IOC_MAGIC, VST_IOC_FIRST)
-#define IOCTL_VSTUSB_RECV_PIPE	_IO(VST_IOC_MAGIC, VST_IOC_FIRST + 1)
-#define IOCTL_VSTUSB_CONFIG_RW	_IO(VST_IOC_MAGIC, VST_IOC_FIRST + 2)
diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h
new file mode 100644
index 000000000000..ae9ab13b963d
--- /dev/null
+++ b/include/linux/vga_switcheroo.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2010 Red Hat Inc.
+ * Author : Dave Airlie <airlied@redhat.com>
+ *
+ * Licensed under GPLv2
+ *
+ * vga_switcheroo.h - Support for laptop with dual GPU using one set of outputs
+ */
+
+#include <linux/fb.h>
+
+enum vga_switcheroo_state {
+	VGA_SWITCHEROO_OFF,
+	VGA_SWITCHEROO_ON,
+};
+
+enum vga_switcheroo_client_id {
+	VGA_SWITCHEROO_IGD,
+	VGA_SWITCHEROO_DIS,
+	VGA_SWITCHEROO_MAX_CLIENTS,
+};
+
+struct vga_switcheroo_handler {
+	int (*switchto)(enum vga_switcheroo_client_id id);
+	int (*power_state)(enum vga_switcheroo_client_id id,
+			   enum vga_switcheroo_state state);
+	int (*init)(void);
+	int (*get_client_id)(struct pci_dev *pdev);
+};
+
+
+#if defined(CONFIG_VGA_SWITCHEROO)
+void vga_switcheroo_unregister_client(struct pci_dev *dev);
+int vga_switcheroo_register_client(struct pci_dev *dev,
+				   void (*set_gpu_state)(struct pci_dev *dev, enum vga_switcheroo_state),
+				   bool (*can_switch)(struct pci_dev *dev));
+
+void vga_switcheroo_client_fb_set(struct pci_dev *dev,
+				  struct fb_info *info);
+
+int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler);
+void vga_switcheroo_unregister_handler(void);
+
+int vga_switcheroo_process_delayed_switch(void);
+
+#else
+
+static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {}
+static inline int vga_switcheroo_register_client(struct pci_dev *dev,
+					  void (*set_gpu_state)(struct pci_dev *dev, enum vga_switcheroo_state),
+					  bool (*can_switch)(struct pci_dev *dev)) { return 0; }
+static inline void vga_switcheroo_client_fb_set(struct pci_dev *dev, struct fb_info *info) {}
+static inline int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) { return 0; }
+static inline void vga_switcheroo_unregister_handler(void) {}
+static inline int vga_switcheroo_process_delayed_switch(void) { return 0; }
+
+#endif
diff --git a/include/linux/virtio.h b/include/linux/virtio.h
index f508c651e53d..40d1709bdbf4 100644
--- a/include/linux/virtio.h
+++ b/include/linux/virtio.h
@@ -98,6 +98,7 @@ struct virtio_device {
 	void *priv;
 };
 
+#define dev_to_virtio(dev) container_of(dev, struct virtio_device, dev)
 int register_virtio_device(struct virtio_device *dev);
 void unregister_virtio_device(struct virtio_device *dev);
 
diff --git a/include/linux/virtio_9p.h b/include/linux/virtio_9p.h
index 095e10d148b4..5cf11765146b 100644
--- a/include/linux/virtio_9p.h
+++ b/include/linux/virtio_9p.h
@@ -5,7 +5,16 @@
 #include <linux/virtio_ids.h>
 #include <linux/virtio_config.h>
 
-/* Maximum number of virtio channels per partition (1 for now) */
-#define MAX_9P_CHAN	1
+/* The feature bitmap for virtio 9P */
+
+/* The mount point is specified in a config variable */
+#define VIRTIO_9P_MOUNT_TAG 0
+
+struct virtio_9p_config {
+	/* length of the tag name */
+	__u16 tag_len;
+	/* non-NULL terminated tag name */
+	__u8 tag[0];
+} __attribute__((packed));
 
 #endif /* _LINUX_VIRTIO_9P_H */
diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h
index ee03bba9c5df..117f0dd8ad03 100644
--- a/include/linux/vmstat.h
+++ b/include/linux/vmstat.h
@@ -78,22 +78,22 @@ DECLARE_PER_CPU(struct vm_event_state, vm_event_states);
 
 static inline void __count_vm_event(enum vm_event_item item)
 {
-	__this_cpu_inc(per_cpu_var(vm_event_states).event[item]);
+	__this_cpu_inc(vm_event_states.event[item]);
 }
 
 static inline void count_vm_event(enum vm_event_item item)
 {
-	this_cpu_inc(per_cpu_var(vm_event_states).event[item]);
+	this_cpu_inc(vm_event_states.event[item]);
 }
 
 static inline void __count_vm_events(enum vm_event_item item, long delta)
 {
-	__this_cpu_add(per_cpu_var(vm_event_states).event[item], delta);
+	__this_cpu_add(vm_event_states.event[item], delta);
 }
 
 static inline void count_vm_events(enum vm_event_item item, long delta)
 {
-	this_cpu_add(per_cpu_var(vm_event_states).event[item], delta);
+	this_cpu_add(vm_event_states.event[item], delta);
 }
 
 extern void all_vm_events(unsigned long *);
diff --git a/include/math-emu/op-common.h b/include/math-emu/op-common.h
index f456534dcaf9..fd882261225e 100644
--- a/include/math-emu/op-common.h
+++ b/include/math-emu/op-common.h
@@ -29,7 +29,7 @@
   _FP_FRAC_DECL_##wc(X)
 
 /*
- * Finish truely unpacking a native fp value by classifying the kind
+ * Finish truly unpacking a native fp value by classifying the kind
  * of fp value and normalizing both the exponent and the fraction.
  */
 
diff --git a/include/media/davinci/vpfe_capture.h b/include/media/davinci/vpfe_capture.h
index d863e5e8426d..4314a5f6a087 100644
--- a/include/media/davinci/vpfe_capture.h
+++ b/include/media/davinci/vpfe_capture.h
@@ -165,7 +165,7 @@ struct vpfe_device {
 	u8 started;
 	/*
 	 * offset where second field starts from the starting of the
-	 * buffer for field seperated YCbCr formats
+	 * buffer for field separated YCbCr formats
 	 */
 	u32 field_off;
 };
diff --git a/include/net/9p/client.h b/include/net/9p/client.h
index fb00b329f0d3..f076dfa75ae8 100644
--- a/include/net/9p/client.h
+++ b/include/net/9p/client.h
@@ -29,6 +29,19 @@
 /* Number of requests per row */
 #define P9_ROW_MAXTAG 255
 
+/** enum p9_proto_versions - 9P protocol versions
+ * @p9_proto_legacy: 9P Legacy mode, pre-9P2000.u
+ * @p9_proto_2000u: 9P2000.u extension
+ * @p9_proto_2000L: 9P2000.L extension
+ */
+
+enum p9_proto_versions{
+	p9_proto_legacy = 0,
+	p9_proto_2000u = 1,
+	p9_proto_2000L = 2,
+};
+
+
 /**
  * enum p9_trans_status - different states of underlying transports
  * @Connected: transport is connected and healthy
@@ -111,6 +124,7 @@ struct p9_req_t {
  * @lock: protect @fidlist
  * @msize: maximum data size negotiated by protocol
  * @dotu: extension flags negotiated by protocol
+ * @proto_version: 9P protocol version to use
  * @trans_mod: module API instantiated with this client
  * @trans: tranport instance state and API
  * @conn: connection state information used by trans_fd
@@ -137,7 +151,7 @@ struct p9_req_t {
 struct p9_client {
 	spinlock_t lock; /* protect client structure */
 	int msize;
-	unsigned char dotu;
+	unsigned char proto_version;
 	struct p9_trans_module *trans_mod;
 	enum p9_trans_status status;
 	void *trans;
@@ -209,5 +223,7 @@ int p9_parse_header(struct p9_fcall *, int32_t *, int8_t *, int16_t *, int);
 int p9stat_read(char *, int, struct p9_wstat *, int);
 void p9stat_free(struct p9_wstat *);
 
+int p9_is_proto_dotu(struct p9_client *clnt);
+int p9_is_proto_dotl(struct p9_client *clnt);
 
 #endif /* NET_9P_CLIENT_H */
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 04a6908e38d2..ff77e8f882f1 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -176,6 +176,6 @@ extern void hci_sock_cleanup(void);
 extern int bt_sysfs_init(void);
 extern void bt_sysfs_cleanup(void);
 
-extern struct class *bt_class;
+extern struct dentry *bt_debugfs;
 
 #endif /* __BLUETOOTH_H */
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 4a808de7c0f6..68f67836e146 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -37,6 +37,24 @@ struct route_info {
 #define RT6_LOOKUP_F_SRCPREF_PUBLIC	0x00000010
 #define RT6_LOOKUP_F_SRCPREF_COA	0x00000020
 
+/*
+ * rt6_srcprefs2flags() and rt6_flags2srcprefs() translate
+ * between IPV6_ADDR_PREFERENCES socket option values
+ *	IPV6_PREFER_SRC_TMP    = 0x1
+ *	IPV6_PREFER_SRC_PUBLIC = 0x2
+ *	IPV6_PREFER_SRC_COA    = 0x4
+ * and above RT6_LOOKUP_F_SRCPREF_xxx flags.
+ */
+static inline int rt6_srcprefs2flags(unsigned int srcprefs)
+{
+	/* No need to bitmask because srcprefs have only 3 bits. */
+	return srcprefs << 3;
+}
+
+static inline unsigned int rt6_flags2srcprefs(int flags)
+{
+	return (flags >> 3) & 7;
+}
 
 extern void			ip6_route_input(struct sk_buff *skb);
 
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index 83b4e008b16d..fbf9d1cda27b 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -15,7 +15,6 @@
 struct ip6_tnl {
 	struct ip6_tnl *next;	/* next tunnel in list */
 	struct net_device *dev;	/* virtual device associated with tunnel */
-	int recursion;		/* depth of hard_start_xmit recursion */
 	struct ip6_tnl_parm parms;	/* tunnel configuration parameters */
 	struct flowi fl;	/* flowi template for xmit */
 	struct dst_entry *dst_cache;    /* cached dst */
diff --git a/include/net/irda/irttp.h b/include/net/irda/irttp.h
index 0788c23d2828..11aee7a2972a 100644
--- a/include/net/irda/irttp.h
+++ b/include/net/irda/irttp.h
@@ -97,7 +97,7 @@
 #define TTP_MAX_SDU_SIZE 0x01
 
 /*
- *  This structure contains all data assosiated with one instance of a TTP 
+ *  This structure contains all data associated with one instance of a TTP 
  *  connection.
  */
 struct tsap_cb {
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 80eb7cc42ce9..45d7d44d7cbe 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -2426,7 +2426,8 @@ struct rate_control_ops {
 			  struct ieee80211_sta *sta, void *priv_sta);
 	void (*rate_update)(void *priv, struct ieee80211_supported_band *sband,
 			    struct ieee80211_sta *sta,
-			    void *priv_sta, u32 changed);
+			    void *priv_sta, u32 changed,
+			    enum nl80211_channel_type oper_chan_type);
 	void (*free_sta)(void *priv, struct ieee80211_sta *sta,
 			 void *priv_sta);
 
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 82b7be4db89a..bd10a7908993 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -100,14 +100,9 @@ struct net {
 extern struct net init_net;
 
 #ifdef CONFIG_NET
-#define INIT_NET_NS(net_ns) .net_ns = &init_net,
-
 extern struct net *copy_net_ns(unsigned long flags, struct net *net_ns);
 
 #else /* CONFIG_NET */
-
-#define INIT_NET_NS(net_ns)
-
 static inline struct net *copy_net_ns(unsigned long flags, struct net *net_ns)
 {
 	/* There is nothing to copy so this is a noop */
diff --git a/include/net/netlink.h b/include/net/netlink.h
index f82e463c875a..4fc05b58503e 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h
@@ -945,7 +945,11 @@ static inline u64 nla_get_u64(const struct nlattr *nla)
  */
 static inline __be64 nla_get_be64(const struct nlattr *nla)
 {
-	return *(__be64 *) nla_data(nla);
+	__be64 tmp;
+
+	nla_memcpy(&tmp, nla, sizeof(tmp));
+
+	return tmp;
 }
 
 /**
diff --git a/include/net/sock.h b/include/net/sock.h
index 6cb1676e409a..092b0551e77f 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -253,6 +253,8 @@ struct sock {
 	struct {
 		struct sk_buff *head;
 		struct sk_buff *tail;
+		int len;
+		int limit;
 	} sk_backlog;
 	wait_queue_head_t	*sk_sleep;
 	struct dst_entry	*sk_dst_cache;
@@ -589,8 +591,8 @@ static inline int sk_stream_memory_free(struct sock *sk)
 	return sk->sk_wmem_queued < sk->sk_sndbuf;
 }
 
-/* The per-socket spinlock must be held here. */
-static inline void sk_add_backlog(struct sock *sk, struct sk_buff *skb)
+/* OOB backlog add */
+static inline void __sk_add_backlog(struct sock *sk, struct sk_buff *skb)
 {
 	if (!sk->sk_backlog.tail) {
 		sk->sk_backlog.head = sk->sk_backlog.tail = skb;
@@ -601,6 +603,17 @@ static inline void sk_add_backlog(struct sock *sk, struct sk_buff *skb)
 	skb->next = NULL;
 }
 
+/* The per-socket spinlock must be held here. */
+static inline __must_check int sk_add_backlog(struct sock *sk, struct sk_buff *skb)
+{
+	if (sk->sk_backlog.len >= max(sk->sk_backlog.limit, sk->sk_rcvbuf << 1))
+		return -ENOBUFS;
+
+	__sk_add_backlog(sk, skb);
+	sk->sk_backlog.len += skb->truesize;
+	return 0;
+}
+
 static inline int sk_backlog_rcv(struct sock *sk, struct sk_buff *skb)
 {
 	return sk->sk_backlog_rcv(sk, skb);
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 56f0aec40ed6..75be5a28815d 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -939,7 +939,7 @@ static inline int tcp_prequeue(struct sock *sk, struct sk_buff *skb)
 
 		tp->ucopy.memory = 0;
 	} else if (skb_queue_len(&tp->ucopy.prequeue) == 1) {
-		wake_up_interruptible_poll(sk->sk_sleep,
+		wake_up_interruptible_sync_poll(sk->sk_sleep,
 					   POLLIN | POLLRDNORM | POLLRDBAND);
 		if (!inet_csk_ack_scheduled(sk))
 			inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK,
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index a7df3275b860..d74e080ba6c9 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -275,7 +275,8 @@ struct xfrm_policy_afinfo {
 					     struct dst_entry *dst,
 					     int nfheader_len);
 	int			(*fill_dst)(struct xfrm_dst *xdst,
-					    struct net_device *dev);
+					    struct net_device *dev,
+					    struct flowi *fl);
 };
 
 extern int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo);
diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h
index 32896a773910..2e488b60bc76 100644
--- a/include/pcmcia/ss.h
+++ b/include/pcmcia/ss.h
@@ -277,12 +277,6 @@ extern struct pccard_resource_ops pccard_nonstatic_ops;
 #endif
 
 
-/* socket drivers are expected to use these callbacks in their .drv struct */
-extern int pcmcia_socket_dev_suspend(struct device *dev);
-extern void pcmcia_socket_dev_early_resume(struct device *dev);
-extern void pcmcia_socket_dev_late_resume(struct device *dev);
-extern int pcmcia_socket_dev_resume(struct device *dev);
-
 /* socket drivers use this callback in their IRQ handler */
 extern void pcmcia_parse_events(struct pcmcia_socket *socket,
 				unsigned int events);
diff --git a/include/rdma/ib_pack.h b/include/rdma/ib_pack.h
index d7fc45c4eba9..cbb50f4da3dd 100644
--- a/include/rdma/ib_pack.h
+++ b/include/rdma/ib_pack.h
@@ -232,6 +232,7 @@ void ib_unpack(const struct ib_field        *desc,
 
 void ib_ud_header_init(int     		   payload_bytes,
 		       int    		   grh_present,
+		       int		   immediate_present,
 		       struct ib_ud_header *header);
 
 int ib_ud_header_pack(struct ib_ud_header *header,
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 09509edb1c5f..a585e0f92bc3 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -984,9 +984,9 @@ struct ib_device {
 	struct list_head              event_handler_list;
 	spinlock_t                    event_handler_lock;
 
+	spinlock_t                    client_data_lock;
 	struct list_head              core_list;
 	struct list_head              client_data_list;
-	spinlock_t                    client_data_lock;
 
 	struct ib_cache               cache;
 	int                          *pkey_tbl_len;
@@ -1144,8 +1144,8 @@ struct ib_device {
 		IB_DEV_UNREGISTERED
 	}                            reg_state;
 
-	u64			     uverbs_cmd_mask;
 	int			     uverbs_abi_ver;
+	u64			     uverbs_cmd_mask;
 
 	char			     node_desc[64];
 	__be64			     node_guid;
diff --git a/include/rdma/rdma_cm.h b/include/rdma/rdma_cm.h
index c6b2962315b3..4fae90304648 100644
--- a/include/rdma/rdma_cm.h
+++ b/include/rdma/rdma_cm.h
@@ -67,7 +67,6 @@ enum rdma_port_space {
 	RDMA_PS_IPOIB = 0x0002,
 	RDMA_PS_TCP   = 0x0106,
 	RDMA_PS_UDP   = 0x0111,
-	RDMA_PS_SCTP  = 0x0183
 };
 
 struct rdma_addr {
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index ff92b46f5153..ae5196aae1a5 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -338,7 +338,8 @@ struct iscsi_host {
 extern int iscsi_change_queue_depth(struct scsi_device *sdev, int depth,
 				    int reason);
 extern int iscsi_eh_abort(struct scsi_cmnd *sc);
-extern int iscsi_eh_target_reset(struct scsi_cmnd *sc);
+extern int iscsi_eh_recover_target(struct scsi_cmnd *sc);
+extern int iscsi_eh_session_reset(struct scsi_cmnd *sc);
 extern int iscsi_eh_device_reset(struct scsi_cmnd *sc);
 extern int iscsi_queuecommand(struct scsi_cmnd *sc,
 			      void (*done)(struct scsi_cmnd *));
diff --git a/include/scsi/sg.h b/include/scsi/sg.h
index 934ae389671d..a9f3c6fc3f57 100644
--- a/include/scsi/sg.h
+++ b/include/scsi/sg.h
@@ -70,6 +70,9 @@ Major new features in SG 3.x driver (cf SG 2.x drivers)
  (for the lk 2.2 series).
 */
 
+#ifdef __KERNEL__
+extern int sg_big_buff; /* for sysctl */
+#endif
 
 /* New interface introduced in the 3.x SG drivers follows */
 
diff --git a/include/sound/asound.h b/include/sound/asound.h
index 1f57bb92eb5a..098595500632 100644
--- a/include/sound/asound.h
+++ b/include/sound/asound.h
@@ -544,7 +544,7 @@ struct snd_rawmidi_status {
  *  Timer section - /dev/snd/timer
  */
 
-#define SNDRV_TIMER_VERSION		SNDRV_PROTOCOL_VERSION(2, 0, 5)
+#define SNDRV_TIMER_VERSION		SNDRV_PROTOCOL_VERSION(2, 0, 6)
 
 enum {
 	SNDRV_TIMER_CLASS_NONE = -1,
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index d0b6cd3afb2f..2aa6aa3e8f61 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -874,6 +874,107 @@ TRACE_EVENT(ext4_forget,
 		  __entry->mode, __entry->is_metadata, __entry->block)
 );
 
+TRACE_EVENT(ext4_da_update_reserve_space,
+	TP_PROTO(struct inode *inode, int used_blocks),
+
+	TP_ARGS(inode, used_blocks),
+
+	TP_STRUCT__entry(
+		__field(	dev_t,	dev			)
+		__field(	ino_t,	ino			)
+		__field(	umode_t, mode			)
+		__field(	__u64,	i_blocks		)
+		__field(	int,	used_blocks		)
+		__field(	int,	reserved_data_blocks	)
+		__field(	int,	reserved_meta_blocks	)
+		__field(	int,	allocated_meta_blocks	)
+	),
+
+	TP_fast_assign(
+		__entry->dev	= inode->i_sb->s_dev;
+		__entry->ino	= inode->i_ino;
+		__entry->mode	= inode->i_mode;
+		__entry->i_blocks = inode->i_blocks;
+		__entry->used_blocks = used_blocks;
+		__entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
+		__entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
+		__entry->allocated_meta_blocks = EXT4_I(inode)->i_allocated_meta_blocks;
+	),
+
+	TP_printk("dev %s ino %lu mode 0%o i_blocks %llu used_blocks %d reserved_data_blocks %d reserved_meta_blocks %d allocated_meta_blocks %d",
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->mode,  (unsigned long long) __entry->i_blocks,
+		  __entry->used_blocks, __entry->reserved_data_blocks,
+		  __entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
+);
+
+TRACE_EVENT(ext4_da_reserve_space,
+	TP_PROTO(struct inode *inode, int md_needed),
+
+	TP_ARGS(inode, md_needed),
+
+	TP_STRUCT__entry(
+		__field(	dev_t,	dev			)
+		__field(	ino_t,	ino			)
+		__field(	umode_t, mode			)
+		__field(	__u64,	i_blocks		)
+		__field(	int,	md_needed		)
+		__field(	int,	reserved_data_blocks	)
+		__field(	int,	reserved_meta_blocks	)
+	),
+
+	TP_fast_assign(
+		__entry->dev	= inode->i_sb->s_dev;
+		__entry->ino	= inode->i_ino;
+		__entry->mode	= inode->i_mode;
+		__entry->i_blocks = inode->i_blocks;
+		__entry->md_needed = md_needed;
+		__entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
+		__entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
+	),
+
+	TP_printk("dev %s ino %lu mode 0%o i_blocks %llu md_needed %d reserved_data_blocks %d reserved_meta_blocks %d",
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->mode, (unsigned long long) __entry->i_blocks,
+		  __entry->md_needed, __entry->reserved_data_blocks,
+		  __entry->reserved_meta_blocks)
+);
+
+TRACE_EVENT(ext4_da_release_space,
+	TP_PROTO(struct inode *inode, int freed_blocks),
+
+	TP_ARGS(inode, freed_blocks),
+
+	TP_STRUCT__entry(
+		__field(	dev_t,	dev			)
+		__field(	ino_t,	ino			)
+		__field(	umode_t, mode			)
+		__field(	__u64,	i_blocks		)
+		__field(	int,	freed_blocks		)
+		__field(	int,	reserved_data_blocks	)
+		__field(	int,	reserved_meta_blocks	)
+		__field(	int,	allocated_meta_blocks	)
+	),
+
+	TP_fast_assign(
+		__entry->dev	= inode->i_sb->s_dev;
+		__entry->ino	= inode->i_ino;
+		__entry->mode	= inode->i_mode;
+		__entry->i_blocks = inode->i_blocks;
+		__entry->freed_blocks = freed_blocks;
+		__entry->reserved_data_blocks = EXT4_I(inode)->i_reserved_data_blocks;
+		__entry->reserved_meta_blocks = EXT4_I(inode)->i_reserved_meta_blocks;
+		__entry->allocated_meta_blocks = EXT4_I(inode)->i_allocated_meta_blocks;
+	),
+
+	TP_printk("dev %s ino %lu mode 0%o i_blocks %llu freed_blocks %d reserved_data_blocks %d reserved_meta_blocks %d allocated_meta_blocks %d",
+		  jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino,
+		  __entry->mode, (unsigned long long) __entry->i_blocks,
+		  __entry->freed_blocks, __entry->reserved_data_blocks,
+		  __entry->reserved_meta_blocks, __entry->allocated_meta_blocks)
+);
+
+
 #endif /* _TRACE_EXT4_H */
 
 /* This part must be outside protection */
diff --git a/include/trace/events/jbd2.h b/include/trace/events/jbd2.h
index 96b370a050de..bf16545cc977 100644
--- a/include/trace/events/jbd2.h
+++ b/include/trace/events/jbd2.h
@@ -199,6 +199,34 @@ TRACE_EVENT(jbd2_checkpoint_stats,
 		  __entry->forced_to_close, __entry->written, __entry->dropped)
 );
 
+TRACE_EVENT(jbd2_cleanup_journal_tail,
+
+	TP_PROTO(journal_t *journal, tid_t first_tid,
+		 unsigned long block_nr, unsigned long freed),
+
+	TP_ARGS(journal, first_tid, block_nr, freed),
+
+	TP_STRUCT__entry(
+		__field(	dev_t,	dev			)
+		__field(	tid_t,	tail_sequence		)
+		__field(	tid_t,	first_tid		)
+		__field(unsigned long,	block_nr		)
+		__field(unsigned long,	freed			)
+	),
+
+	TP_fast_assign(
+		__entry->dev		= journal->j_fs_dev->bd_dev;
+		__entry->tail_sequence	= journal->j_tail_sequence;
+		__entry->first_tid	= first_tid;
+		__entry->block_nr	= block_nr;
+		__entry->freed		= freed;
+	),
+
+	TP_printk("dev %s from %u to %u offset %lu freed %lu",
+		  jbd2_dev_to_name(__entry->dev), __entry->tail_sequence,
+		  __entry->first_tid, __entry->block_nr, __entry->freed)
+);
+
 #endif /* _TRACE_JBD2_H */
 
 /* This part must be outside protection */
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index dbe108455275..b17d49dfc3ef 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -145,6 +145,47 @@ TRACE_EVENT(kvm_mmio,
 		  __entry->len, __entry->gpa, __entry->val)
 );
 
+#define kvm_fpu_load_symbol	\
+	{0, "unload"},		\
+	{1, "load"}
+
+TRACE_EVENT(kvm_fpu,
+	TP_PROTO(int load),
+	TP_ARGS(load),
+
+	TP_STRUCT__entry(
+		__field(	u32,	        load		)
+	),
+
+	TP_fast_assign(
+		__entry->load		= load;
+	),
+
+	TP_printk("%s", __print_symbolic(__entry->load, kvm_fpu_load_symbol))
+);
+
+TRACE_EVENT(kvm_age_page,
+	TP_PROTO(ulong hva, struct kvm_memory_slot *slot, int ref),
+	TP_ARGS(hva, slot, ref),
+
+	TP_STRUCT__entry(
+		__field(	u64,	hva		)
+		__field(	u64,	gfn		)
+		__field(	u8,	referenced	)
+	),
+
+	TP_fast_assign(
+		__entry->hva		= hva;
+		__entry->gfn		=
+		  slot->base_gfn + ((hva - slot->userspace_addr) >> PAGE_SHIFT);
+		__entry->referenced	= ref;
+	),
+
+	TP_printk("hva %llx gfn %llx %s",
+		  __entry->hva, __entry->gfn,
+		  __entry->referenced ? "YOUNG" : "OLD")
+);
+
 #endif /* _TRACE_KVM_MAIN_H */
 
 /* This part must be outside protection */
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 0804cd594803..ea6f9d4a20e9 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -401,18 +401,18 @@ static inline notrace int ftrace_get_offsets_##call(			\
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, name, proto, args)			\
 									\
-static void ftrace_profile_##name(proto);				\
+static void perf_trace_##name(proto);					\
 									\
 static notrace int							\
-ftrace_profile_enable_##name(struct ftrace_event_call *unused)		\
+perf_trace_enable_##name(struct ftrace_event_call *unused)		\
 {									\
-	return register_trace_##name(ftrace_profile_##name);		\
+	return register_trace_##name(perf_trace_##name);		\
 }									\
 									\
 static notrace void							\
-ftrace_profile_disable_##name(struct ftrace_event_call *unused)		\
+perf_trace_disable_##name(struct ftrace_event_call *unused)		\
 {									\
-	unregister_trace_##name(ftrace_profile_##name);			\
+	unregister_trace_##name(perf_trace_##name);			\
 }
 
 #undef DEFINE_EVENT_PRINT
@@ -507,12 +507,12 @@ ftrace_profile_disable_##name(struct ftrace_event_call *unused)		\
 
 #ifdef CONFIG_PERF_EVENTS
 
-#define _TRACE_PROFILE_INIT(call)					\
-	.profile_enable = ftrace_profile_enable_##call,			\
-	.profile_disable = ftrace_profile_disable_##call,
+#define _TRACE_PERF_INIT(call)						\
+	.perf_event_enable = perf_trace_enable_##call,			\
+	.perf_event_disable = perf_trace_disable_##call,
 
 #else
-#define _TRACE_PROFILE_INIT(call)
+#define _TRACE_PERF_INIT(call)
 #endif /* CONFIG_PERF_EVENTS */
 
 #undef __entry
@@ -638,7 +638,7 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.unregfunc		= ftrace_raw_unreg_event_##call,	\
 	.print_fmt		= print_fmt_##template,			\
 	.define_fields		= ftrace_define_fields_##template,	\
-	_TRACE_PROFILE_INIT(call)					\
+	_TRACE_PERF_INIT(call)					\
 }
 
 #undef DEFINE_EVENT_PRINT
@@ -657,18 +657,18 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 	.unregfunc		= ftrace_raw_unreg_event_##call,	\
 	.print_fmt		= print_fmt_##call,			\
 	.define_fields		= ftrace_define_fields_##template,	\
-	_TRACE_PROFILE_INIT(call)					\
+	_TRACE_PERF_INIT(call)					\
 }
 
 #include TRACE_INCLUDE(TRACE_INCLUDE_FILE)
 
 /*
- * Define the insertion callback to profile events
+ * Define the insertion callback to perf events
  *
  * The job is very similar to ftrace_raw_event_<call> except that we don't
  * insert in the ring buffer but in a perf counter.
  *
- * static void ftrace_profile_<call>(proto)
+ * static void ftrace_perf_<call>(proto)
  * {
  *	struct ftrace_data_offsets_<call> __maybe_unused __data_offsets;
  *	struct ftrace_event_call *event_call = &event_<call>;
@@ -699,9 +699,9 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
  *	__cpu = smp_processor_id();
  *
  *	if (in_nmi())
- *		trace_buf = rcu_dereference(perf_trace_buf_nmi);
+ *		trace_buf = rcu_dereference_sched(perf_trace_buf_nmi);
  *	else
- *		trace_buf = rcu_dereference(perf_trace_buf);
+ *		trace_buf = rcu_dereference_sched(perf_trace_buf);
  *
  *	if (!trace_buf)
  *		goto end;
@@ -757,13 +757,14 @@ __attribute__((section("_ftrace_events"))) event_##call = {		\
 #undef DECLARE_EVENT_CLASS
 #define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print)	\
 static notrace void							\
-ftrace_profile_templ_##call(struct ftrace_event_call *event_call,	\
+perf_trace_templ_##call(struct ftrace_event_call *event_call,		\
 			    proto)					\
 {									\
 	struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
 	struct ftrace_raw_##call *entry;				\
 	u64 __addr = 0, __count = 1;					\
 	unsigned long irq_flags;					\
+	struct pt_regs *__regs;						\
 	int __entry_size;						\
 	int __data_size;						\
 	int rctx;							\
@@ -773,10 +774,10 @@ ftrace_profile_templ_##call(struct ftrace_event_call *event_call,	\
 			     sizeof(u64));				\
 	__entry_size -= sizeof(u32);					\
 									\
-	if (WARN_ONCE(__entry_size > FTRACE_MAX_PROFILE_SIZE,		\
+	if (WARN_ONCE(__entry_size > PERF_MAX_TRACE_SIZE,		\
 		      "profile buffer not large enough"))		\
 		return;							\
-	entry = (struct ftrace_raw_##call *)ftrace_perf_buf_prepare(	\
+	entry = (struct ftrace_raw_##call *)perf_trace_buf_prepare(	\
 		__entry_size, event_call->id, &rctx, &irq_flags);	\
 	if (!entry)							\
 		return;							\
@@ -784,17 +785,20 @@ ftrace_profile_templ_##call(struct ftrace_event_call *event_call,	\
 									\
 	{ assign; }							\
 									\
-	ftrace_perf_buf_submit(entry, __entry_size, rctx, __addr,	\
-			       __count, irq_flags);			\
+	__regs = &__get_cpu_var(perf_trace_regs);			\
+	perf_fetch_caller_regs(__regs, 2);				\
+									\
+	perf_trace_buf_submit(entry, __entry_size, rctx, __addr,	\
+			       __count, irq_flags, __regs);		\
 }
 
 #undef DEFINE_EVENT
 #define DEFINE_EVENT(template, call, proto, args)		\
-static notrace void ftrace_profile_##call(proto)		\
+static notrace void perf_trace_##call(proto)			\
 {								\
 	struct ftrace_event_call *event_call = &event_##call;	\
 								\
-	ftrace_profile_templ_##template(event_call, args);	\
+	perf_trace_templ_##template(event_call, args);		\
 }
 
 #undef DEFINE_EVENT_PRINT
diff --git a/include/trace/syscall.h b/include/trace/syscall.h
index 0387100752f0..e5e5f48dbfb3 100644
--- a/include/trace/syscall.h
+++ b/include/trace/syscall.h
@@ -47,10 +47,10 @@ enum print_line_t print_syscall_exit(struct trace_iterator *iter, int flags);
 #endif
 
 #ifdef CONFIG_PERF_EVENTS
-int prof_sysenter_enable(struct ftrace_event_call *call);
-void prof_sysenter_disable(struct ftrace_event_call *call);
-int prof_sysexit_enable(struct ftrace_event_call *call);
-void prof_sysexit_disable(struct ftrace_event_call *call);
+int perf_sysenter_enable(struct ftrace_event_call *call);
+void perf_sysenter_disable(struct ftrace_event_call *call);
+int perf_sysexit_enable(struct ftrace_event_call *call);
+void perf_sysexit_disable(struct ftrace_event_call *call);
 #endif
 
 #endif /* _TRACE_SYSCALL_H */
diff --git a/include/video/broadsheetfb.h b/include/video/broadsheetfb.h
index a758534c0272..548d28f4ec67 100644
--- a/include/video/broadsheetfb.h
+++ b/include/video/broadsheetfb.h
@@ -29,11 +29,19 @@
 #define BS_CMD_UPD_FULL		0x33
 #define BS_CMD_UPD_GDRV_CLR	0x37
 
+/* Broadsheet register interface defines */
+#define BS_REG_REV		0x00
+#define BS_REG_PRC		0x02
+
 /* Broadsheet pin interface specific defines */
 #define BS_CS	0x01
 #define BS_DC 	0x02
 #define BS_WR 	0x03
 
+/* Broadsheet IO interface specific defines */
+#define BS_MMIO_CMD	0x01
+#define BS_MMIO_DATA	0x02
+
 /* struct used by broadsheet. board specific stuff comes from *board */
 struct broadsheetfb_par {
 	struct fb_info *info;
@@ -41,6 +49,8 @@ struct broadsheetfb_par {
 	void (*write_reg)(struct broadsheetfb_par *, u16 reg, u16 val);
 	u16 (*read_reg)(struct broadsheetfb_par *, u16 reg);
 	wait_queue_head_t waitq;
+	int panel_index;
+	struct mutex io_lock;
 };
 
 /* board specific routines */
@@ -48,12 +58,17 @@ struct broadsheet_board {
 	struct module *owner;
 	int (*init)(struct broadsheetfb_par *);
 	int (*wait_for_rdy)(struct broadsheetfb_par *);
-	void (*set_ctl)(struct broadsheetfb_par *, unsigned char, u8);
-	void (*set_hdb)(struct broadsheetfb_par *, u16);
-	u16 (*get_hdb)(struct broadsheetfb_par *);
 	void (*cleanup)(struct broadsheetfb_par *);
 	int (*get_panel_type)(void);
 	int (*setup_irq)(struct fb_info *);
-};
 
+	/* Functions for boards that use GPIO */
+	void (*set_ctl)(struct broadsheetfb_par *, unsigned char, u8);
+	void (*set_hdb)(struct broadsheetfb_par *, u16);
+	u16 (*get_hdb)(struct broadsheetfb_par *);
+
+	/* Functions for boards that have specialized MMIO */
+	void (*mmio_write)(struct broadsheetfb_par *, int type, u16);
+	u16 (*mmio_read)(struct broadsheetfb_par *);
+};
 #endif
diff --git a/init/Kconfig b/init/Kconfig
index 089a230e5652..eb77e8ccde1c 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -463,6 +463,7 @@ config HAVE_UNSTABLE_SCHED_CLOCK
 
 menuconfig CGROUPS
 	boolean "Control Group support"
+	depends on EVENTFD
 	help
 	  This option adds support for grouping sets of processes together, for
 	  use with process control subsystems such as Cpusets, CFS, memory
diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c
index 614241b5200c..2b108538d0d9 100644
--- a/init/do_mounts_initrd.c
+++ b/init/do_mounts_initrd.c
@@ -30,11 +30,7 @@ static int __init do_linuxrc(void * shell)
 	extern char * envp_init[];
 
 	sys_close(old_fd);sys_close(root_fd);
-	sys_close(0);sys_close(1);sys_close(2);
 	sys_setsid();
-	(void) sys_open("/dev/console",O_RDWR,0);
-	(void) sys_dup(0);
-	(void) sys_dup(0);
 	return kernel_execve(shell, argv, envp_init);
 }
 
diff --git a/init/initramfs.c b/init/initramfs.c
index b37d34beb90b..37d3859b1b32 100644
--- a/init/initramfs.c
+++ b/init/initramfs.c
@@ -525,7 +525,7 @@ static void __init clean_rootfs(void)
 	int fd;
 	void *buf;
 	struct linux_dirent64 *dirp;
-	int count;
+	int num;
 
 	fd = sys_open("/", O_RDONLY, 0);
 	WARN_ON(fd < 0);
@@ -539,9 +539,9 @@ static void __init clean_rootfs(void)
 	}
 
 	dirp = buf;
-	count = sys_getdents64(fd, dirp, BUF_SIZE);
-	while (count > 0) {
-		while (count > 0) {
+	num = sys_getdents64(fd, dirp, BUF_SIZE);
+	while (num > 0) {
+		while (num > 0) {
 			struct stat st;
 			int ret;
 
@@ -554,12 +554,12 @@ static void __init clean_rootfs(void)
 					sys_unlink(dirp->d_name);
 			}
 
-			count -= dirp->d_reclen;
+			num -= dirp->d_reclen;
 			dirp = (void *)dirp + dirp->d_reclen;
 		}
 		dirp = buf;
 		memset(buf, 0, BUF_SIZE);
-		count = sys_getdents64(fd, dirp, BUF_SIZE);
+		num = sys_getdents64(fd, dirp, BUF_SIZE);
 	}
 
 	sys_close(fd);
diff --git a/init/main.c b/init/main.c
index c75dcd6eef09..cbead27caefc 100644
--- a/init/main.c
+++ b/init/main.c
@@ -149,6 +149,20 @@ static int __init nosmp(char *str)
 
 early_param("nosmp", nosmp);
 
+/* this is hard limit */
+static int __init nrcpus(char *str)
+{
+	int nr_cpus;
+
+	get_option(&str, &nr_cpus);
+	if (nr_cpus > 0 && nr_cpus < nr_cpu_ids)
+		nr_cpu_ids = nr_cpus;
+
+	return 0;
+}
+
+early_param("nr_cpus", nrcpus);
+
 static int __init maxcpus(char *str)
 {
 	get_option(&str, &setup_max_cpus);
@@ -160,7 +174,7 @@ static int __init maxcpus(char *str)
 
 early_param("maxcpus", maxcpus);
 #else
-const unsigned int setup_max_cpus = NR_CPUS;
+static const unsigned int setup_max_cpus = NR_CPUS;
 #endif
 
 /*
@@ -586,6 +600,7 @@ asmlinkage void __init start_kernel(void)
 		local_irq_disable();
 	}
 	rcu_init();
+	radix_tree_init();
 	/* init some links before init_ISA_irqs() */
 	early_irq_init();
 	init_IRQ();
@@ -603,7 +618,7 @@ asmlinkage void __init start_kernel(void)
 	local_irq_enable();
 
 	/* Interrupts are enabled now so all GFP allocations are safe. */
-	set_gfp_allowed_mask(__GFP_BITS_MASK);
+	gfp_allowed_mask = __GFP_BITS_MASK;
 
 	kmem_cache_init_late();
 
@@ -659,7 +674,6 @@ asmlinkage void __init start_kernel(void)
 	proc_caches_init();
 	buffer_init();
 	key_init();
-	radix_tree_init();
 	security_init();
 	vfs_caches_init(totalram_pages);
 	signals_init();
@@ -808,11 +822,6 @@ static noinline int init_post(void)
 	system_state = SYSTEM_RUNNING;
 	numa_default_policy();
 
-	if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0)
-		printk(KERN_WARNING "Warning: unable to open an initial console.\n");
-
-	(void) sys_dup(0);
-	(void) sys_dup(0);
 
 	current->signal->flags |= SIGNAL_UNKILLABLE;
 
@@ -838,7 +847,8 @@ static noinline int init_post(void)
 	run_init_process("/bin/init");
 	run_init_process("/bin/sh");
 
-	panic("No init found.  Try passing init= option to kernel.");
+	panic("No init found.  Try passing init= option to kernel. "
+	      "See Linux Documentation/init.txt for guidance.");
 }
 
 static int __init kernel_init(void * unused)
@@ -848,7 +858,7 @@ static int __init kernel_init(void * unused)
 	/*
 	 * init can allocate pages on any node
 	 */
-	set_mems_allowed(node_possible_map);
+	set_mems_allowed(node_states[N_HIGH_MEMORY]);
 	/*
 	 * init can run on any cpu.
 	 */
@@ -875,6 +885,12 @@ static int __init kernel_init(void * unused)
 
 	do_basic_setup();
 
+	/* Open the /dev/console on the rootfs, this should never fail */
+	if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0)
+		printk(KERN_WARNING "Warning: unable to open an initial console.\n");
+
+	(void) sys_dup(0);
+	(void) sys_dup(0);
 	/*
 	 * check if there is an early userspace init.  If yes, let it do all
 	 * the work
diff --git a/ipc/Makefile b/ipc/Makefile
index 4e1955ea815d..9075e172e52c 100644
--- a/ipc/Makefile
+++ b/ipc/Makefile
@@ -3,7 +3,7 @@
 #
 
 obj-$(CONFIG_SYSVIPC_COMPAT) += compat.o
-obj-$(CONFIG_SYSVIPC) += util.o msgutil.o msg.o sem.o shm.o ipcns_notifier.o
+obj-$(CONFIG_SYSVIPC) += util.o msgutil.o msg.o sem.o shm.o ipcns_notifier.o syscall.o
 obj-$(CONFIG_SYSVIPC_SYSCTL) += ipc_sysctl.o
 obj_mq-$(CONFIG_COMPAT) += compat_mq.o
 obj-$(CONFIG_POSIX_MQUEUE) += mqueue.o msgutil.o $(obj_mq-y)
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index c79bd57353e7..e4e3f04803ca 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -134,7 +134,6 @@ static struct inode *mqueue_get_inode(struct super_block *sb,
 			init_waitqueue_head(&info->wait_q);
 			INIT_LIST_HEAD(&info->e_wait_q[0].list);
 			INIT_LIST_HEAD(&info->e_wait_q[1].list);
-			info->messages = NULL;
 			info->notify_owner = NULL;
 			info->qsize = 0;
 			info->user = NULL;	/* set when all is ok */
@@ -146,26 +145,24 @@ static struct inode *mqueue_get_inode(struct super_block *sb,
 				info->attr.mq_msgsize = attr->mq_msgsize;
 			}
 			mq_msg_tblsz = info->attr.mq_maxmsg * sizeof(struct msg_msg *);
+			info->messages = kmalloc(mq_msg_tblsz, GFP_KERNEL);
+			if (!info->messages)
+				goto out_inode;
+
 			mq_bytes = (mq_msg_tblsz +
 				(info->attr.mq_maxmsg * info->attr.mq_msgsize));
 
 			spin_lock(&mq_lock);
 			if (u->mq_bytes + mq_bytes < u->mq_bytes ||
 		 	    u->mq_bytes + mq_bytes >
-			    p->signal->rlim[RLIMIT_MSGQUEUE].rlim_cur) {
+			    task_rlimit(p, RLIMIT_MSGQUEUE)) {
 				spin_unlock(&mq_lock);
+				kfree(info->messages);
 				goto out_inode;
 			}
 			u->mq_bytes += mq_bytes;
 			spin_unlock(&mq_lock);
 
-			info->messages = kmalloc(mq_msg_tblsz, GFP_KERNEL);
-			if (!info->messages) {
-				spin_lock(&mq_lock);
-				u->mq_bytes -= mq_bytes;
-				spin_unlock(&mq_lock);
-				goto out_inode;
-			}
 			/* all is ok */
 			info->user = get_uid(u);
 		} else if (S_ISDIR(mode)) {
@@ -187,7 +184,7 @@ static int mqueue_fill_super(struct super_block *sb, void *data, int silent)
 {
 	struct inode *inode;
 	struct ipc_namespace *ns = data;
-	int error = 0;
+	int error;
 
 	sb->s_blocksize = PAGE_CACHE_SIZE;
 	sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
@@ -205,7 +202,9 @@ static int mqueue_fill_super(struct super_block *sb, void *data, int silent)
 	if (!sb->s_root) {
 		iput(inode);
 		error = -ENOMEM;
+		goto out;
 	}
+	error = 0;
 
 out:
 	return error;
@@ -264,8 +263,9 @@ static void mqueue_delete_inode(struct inode *inode)
 
 	clear_inode(inode);
 
-	mq_bytes = (info->attr.mq_maxmsg * sizeof(struct msg_msg *) +
-		   (info->attr.mq_maxmsg * info->attr.mq_msgsize));
+	/* Total amount of bytes accounted for the mqueue */
+	mq_bytes = info->attr.mq_maxmsg * (sizeof(struct msg_msg *)
+	    + info->attr.mq_msgsize);
 	user = info->user;
 	if (user) {
 		spin_lock(&mq_lock);
@@ -604,8 +604,8 @@ static int mq_attr_ok(struct ipc_namespace *ipc_ns, struct mq_attr *attr)
 	/* check for overflow */
 	if (attr->mq_msgsize > ULONG_MAX/attr->mq_maxmsg)
 		return 0;
-	if ((unsigned long)(attr->mq_maxmsg * attr->mq_msgsize) +
-	    (attr->mq_maxmsg * sizeof (struct msg_msg *)) <
+	if ((unsigned long)(attr->mq_maxmsg * (attr->mq_msgsize
+	    + sizeof (struct msg_msg *))) <
 	    (unsigned long)(attr->mq_maxmsg * attr->mq_msgsize))
 		return 0;
 	return 1;
@@ -623,9 +623,10 @@ static struct file *do_create(struct ipc_namespace *ipc_ns, struct dentry *dir,
 	int ret;
 
 	if (attr) {
-		ret = -EINVAL;
-		if (!mq_attr_ok(ipc_ns, attr))
+		if (!mq_attr_ok(ipc_ns, attr)) {
+			ret = -EINVAL;
 			goto out;
+		}
 		/* store for use during create */
 		dentry->d_fsdata = attr;
 	}
@@ -659,24 +660,28 @@ out:
 static struct file *do_open(struct ipc_namespace *ipc_ns,
 				struct dentry *dentry, int oflag)
 {
+	int ret;
 	const struct cred *cred = current_cred();
 
 	static const int oflag2acc[O_ACCMODE] = { MAY_READ, MAY_WRITE,
 						  MAY_READ | MAY_WRITE };
 
 	if ((oflag & O_ACCMODE) == (O_RDWR | O_WRONLY)) {
-		dput(dentry);
-		mntput(ipc_ns->mq_mnt);
-		return ERR_PTR(-EINVAL);
+		ret = -EINVAL;
+		goto err;
 	}
 
 	if (inode_permission(dentry->d_inode, oflag2acc[oflag & O_ACCMODE])) {
-		dput(dentry);
-		mntput(ipc_ns->mq_mnt);
-		return ERR_PTR(-EACCES);
+		ret = -EACCES;
+		goto err;
 	}
 
 	return dentry_open(dentry, ipc_ns->mq_mnt, oflag, cred);
+
+err:
+	dput(dentry);
+	mntput(ipc_ns->mq_mnt);
+	return ERR_PTR(ret);
 }
 
 SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, mode_t, mode,
@@ -705,16 +710,17 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, mode_t, mode,
 	dentry = lookup_one_len(name, ipc_ns->mq_mnt->mnt_root, strlen(name));
 	if (IS_ERR(dentry)) {
 		error = PTR_ERR(dentry);
-		goto out_err;
+		goto out_putfd;
 	}
 	mntget(ipc_ns->mq_mnt);
 
 	if (oflag & O_CREAT) {
 		if (dentry->d_inode) {	/* entry already exists */
 			audit_inode(name, dentry);
-			error = -EEXIST;
-			if (oflag & O_EXCL)
+			if (oflag & O_EXCL) {
+				error = -EEXIST;
 				goto out;
+			}
 			filp = do_open(ipc_ns, dentry, oflag);
 		} else {
 			filp = do_create(ipc_ns, ipc_ns->mq_mnt->mnt_root,
@@ -722,9 +728,10 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, mode_t, mode,
 						u_attr ? &attr : NULL);
 		}
 	} else {
-		error = -ENOENT;
-		if (!dentry->d_inode)
+		if (!dentry->d_inode) {
+			error = -ENOENT;
 			goto out;
+		}
 		audit_inode(name, dentry);
 		filp = do_open(ipc_ns, dentry, oflag);
 	}
@@ -742,7 +749,6 @@ out:
 	mntput(ipc_ns->mq_mnt);
 out_putfd:
 	put_unused_fd(fd);
-out_err:
 	fd = error;
 out_upsem:
 	mutex_unlock(&ipc_ns->mq_mnt->mnt_root->d_inode->i_mutex);
@@ -872,19 +878,24 @@ SYSCALL_DEFINE5(mq_timedsend, mqd_t, mqdes, const char __user *, u_msg_ptr,
 	audit_mq_sendrecv(mqdes, msg_len, msg_prio, p);
 	timeout = prepare_timeout(p);
 
-	ret = -EBADF;
 	filp = fget(mqdes);
-	if (unlikely(!filp))
+	if (unlikely(!filp)) {
+		ret = -EBADF;
 		goto out;
+	}
 
 	inode = filp->f_path.dentry->d_inode;
-	if (unlikely(filp->f_op != &mqueue_file_operations))
+	if (unlikely(filp->f_op != &mqueue_file_operations)) {
+		ret = -EBADF;
 		goto out_fput;
+	}
 	info = MQUEUE_I(inode);
 	audit_inode(NULL, filp->f_path.dentry);
 
-	if (unlikely(!(filp->f_mode & FMODE_WRITE)))
+	if (unlikely(!(filp->f_mode & FMODE_WRITE))) {
+		ret = -EBADF;
 		goto out_fput;
+	}
 
 	if (unlikely(msg_len > info->attr.mq_msgsize)) {
 		ret = -EMSGSIZE;
@@ -961,19 +972,24 @@ SYSCALL_DEFINE5(mq_timedreceive, mqd_t, mqdes, char __user *, u_msg_ptr,
 	audit_mq_sendrecv(mqdes, msg_len, 0, p);
 	timeout = prepare_timeout(p);
 
-	ret = -EBADF;
 	filp = fget(mqdes);
-	if (unlikely(!filp))
+	if (unlikely(!filp)) {
+		ret = -EBADF;
 		goto out;
+	}
 
 	inode = filp->f_path.dentry->d_inode;
-	if (unlikely(filp->f_op != &mqueue_file_operations))
+	if (unlikely(filp->f_op != &mqueue_file_operations)) {
+		ret = -EBADF;
 		goto out_fput;
+	}
 	info = MQUEUE_I(inode);
 	audit_inode(NULL, filp->f_path.dentry);
 
-	if (unlikely(!(filp->f_mode & FMODE_READ)))
+	if (unlikely(!(filp->f_mode & FMODE_READ))) {
+		ret = -EBADF;
 		goto out_fput;
+	}
 
 	/* checks if buffer is big enough */
 	if (unlikely(msg_len < info->attr.mq_msgsize)) {
@@ -1063,13 +1079,14 @@ SYSCALL_DEFINE2(mq_notify, mqd_t, mqdes,
 
 			/* create the notify skb */
 			nc = alloc_skb(NOTIFY_COOKIE_LEN, GFP_KERNEL);
-			ret = -ENOMEM;
-			if (!nc)
+			if (!nc) {
+				ret = -ENOMEM;
 				goto out;
-			ret = -EFAULT;
+			}
 			if (copy_from_user(nc->data,
 					notification.sigev_value.sival_ptr,
 					NOTIFY_COOKIE_LEN)) {
+				ret = -EFAULT;
 				goto out;
 			}
 
@@ -1078,9 +1095,10 @@ SYSCALL_DEFINE2(mq_notify, mqd_t, mqdes,
 			/* and attach it to the socket */
 retry:
 			filp = fget(notification.sigev_signo);
-			ret = -EBADF;
-			if (!filp)
+			if (!filp) {
+				ret = -EBADF;
 				goto out;
+			}
 			sock = netlink_getsockbyfilp(filp);
 			fput(filp);
 			if (IS_ERR(sock)) {
@@ -1092,7 +1110,7 @@ retry:
 			timeo = MAX_SCHEDULE_TIMEOUT;
 			ret = netlink_attachskb(sock, nc, &timeo, NULL);
 			if (ret == 1)
-		       		goto retry;
+				goto retry;
 			if (ret) {
 				sock = NULL;
 				nc = NULL;
@@ -1101,14 +1119,17 @@ retry:
 		}
 	}
 
-	ret = -EBADF;
 	filp = fget(mqdes);
-	if (!filp)
+	if (!filp) {
+		ret = -EBADF;
 		goto out;
+	}
 
 	inode = filp->f_path.dentry->d_inode;
-	if (unlikely(filp->f_op != &mqueue_file_operations))
+	if (unlikely(filp->f_op != &mqueue_file_operations)) {
+		ret = -EBADF;
 		goto out_fput;
+	}
 	info = MQUEUE_I(inode);
 
 	ret = 0;
@@ -1171,14 +1192,17 @@ SYSCALL_DEFINE3(mq_getsetattr, mqd_t, mqdes,
 			return -EINVAL;
 	}
 
-	ret = -EBADF;
 	filp = fget(mqdes);
-	if (!filp)
+	if (!filp) {
+		ret = -EBADF;
 		goto out;
+	}
 
 	inode = filp->f_path.dentry->d_inode;
-	if (unlikely(filp->f_op != &mqueue_file_operations))
+	if (unlikely(filp->f_op != &mqueue_file_operations)) {
+		ret = -EBADF;
 		goto out_fput;
+	}
 	info = MQUEUE_I(inode);
 
 	spin_lock(&info->lock);
@@ -1272,7 +1296,7 @@ static int __init init_mqueue_fs(void)
 	if (mqueue_inode_cachep == NULL)
 		return -ENOMEM;
 
-	/* ignore failues - they are not fatal */
+	/* ignore failures - they are not fatal */
 	mq_sysctl_table = mq_register_sysctl_table();
 
 	error = register_filesystem(&mqueue_fs_type);
diff --git a/ipc/shm.c b/ipc/shm.c
index 23256b855819..1a314c89f93c 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -764,8 +764,7 @@ SYSCALL_DEFINE3(shmctl, int, shmid, int, cmd, struct shmid_ds __user *, buf)
 			if (euid != shp->shm_perm.uid &&
 			    euid != shp->shm_perm.cuid)
 				goto out_unlock;
-			if (cmd == SHM_LOCK &&
-			    !current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur)
+			if (cmd == SHM_LOCK && !rlimit(RLIMIT_MEMLOCK))
 				goto out_unlock;
 		}
 
diff --git a/ipc/syscall.c b/ipc/syscall.c
new file mode 100644
index 000000000000..1d6f53f6b562
--- /dev/null
+++ b/ipc/syscall.c
@@ -0,0 +1,99 @@
+/*
+ * sys_ipc() is the old de-multiplexer for the SysV IPC calls.
+ *
+ * This is really horribly ugly, and new architectures should just wire up
+ * the individual syscalls instead.
+ */
+#include <linux/unistd.h>
+
+#ifdef __ARCH_WANT_SYS_IPC
+#include <linux/errno.h>
+#include <linux/ipc.h>
+#include <linux/shm.h>
+#include <linux/syscalls.h>
+#include <linux/uaccess.h>
+
+SYSCALL_DEFINE6(ipc, unsigned int, call, int, first, unsigned long, second,
+		unsigned long, third, void __user *, ptr, long, fifth)
+{
+	int version, ret;
+
+	version = call >> 16; /* hack for backward compatibility */
+	call &= 0xffff;
+
+	switch (call) {
+	case SEMOP:
+		return sys_semtimedop(first, (struct sembuf __user *)ptr,
+				      second, NULL);
+	case SEMTIMEDOP:
+		return sys_semtimedop(first, (struct sembuf __user *)ptr,
+				      second,
+				      (const struct timespec __user *)fifth);
+
+	case SEMGET:
+		return sys_semget(first, second, third);
+	case SEMCTL: {
+		union semun fourth;
+		if (!ptr)
+			return -EINVAL;
+		if (get_user(fourth.__pad, (void __user * __user *) ptr))
+			return -EFAULT;
+		return sys_semctl(first, second, third, fourth);
+	}
+
+	case MSGSND:
+		return sys_msgsnd(first, (struct msgbuf __user *) ptr,
+				  second, third);
+	case MSGRCV:
+		switch (version) {
+		case 0: {
+			struct ipc_kludge tmp;
+			if (!ptr)
+				return -EINVAL;
+
+			if (copy_from_user(&tmp,
+					   (struct ipc_kludge __user *) ptr,
+					   sizeof(tmp)))
+				return -EFAULT;
+			return sys_msgrcv(first, tmp.msgp, second,
+					   tmp.msgtyp, third);
+		}
+		default:
+			return sys_msgrcv(first,
+					   (struct msgbuf __user *) ptr,
+					   second, fifth, third);
+		}
+	case MSGGET:
+		return sys_msgget((key_t) first, second);
+	case MSGCTL:
+		return sys_msgctl(first, second, (struct msqid_ds __user *)ptr);
+
+	case SHMAT:
+		switch (version) {
+		default: {
+			unsigned long raddr;
+			ret = do_shmat(first, (char __user *)ptr,
+				       second, &raddr);
+			if (ret)
+				return ret;
+			return put_user(raddr, (unsigned long __user *) third);
+		}
+		case 1:
+			/*
+			 * This was the entry point for kernel-originating calls
+			 * from iBCS2 in 2.2 days.
+			 */
+			return -EINVAL;
+		}
+	case SHMDT:
+		return sys_shmdt((char __user *)ptr);
+	case SHMGET:
+		return sys_shmget(first, second, third);
+	case SHMCTL:
+		return sys_shmctl(first, second,
+				   (struct shmid_ds __user *) ptr);
+	default:
+		return -ENOSYS;
+	}
+}
+#endif
diff --git a/kernel/Makefile b/kernel/Makefile
index 6aebdeb2aa34..a987aa1676b5 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -10,7 +10,8 @@ obj-y     = sched.o fork.o exec_domain.o panic.o printk.o \
 	    kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \
 	    hrtimer.o rwsem.o nsproxy.o srcu.o semaphore.o \
 	    notifier.o ksysfs.o pm_qos_params.o sched_clock.o cred.o \
-	    async.o
+	    async.o range.o
+obj-$(CONFIG_HAVE_EARLY_RES) += early_res.o
 obj-y += groups.o
 
 ifdef CONFIG_FUNCTION_TRACER
@@ -90,6 +91,9 @@ obj-$(CONFIG_TASK_DELAY_ACCT) += delayacct.o
 obj-$(CONFIG_TASKSTATS) += taskstats.o tsacct.o
 obj-$(CONFIG_TRACEPOINTS) += tracepoint.o
 obj-$(CONFIG_LATENCYTOP) += latencytop.o
+obj-$(CONFIG_BINFMT_ELF) += elfcore.o
+obj-$(CONFIG_COMPAT_BINFMT_ELF) += elfcore.o
+obj-$(CONFIG_BINFMT_ELF_FDPIC) += elfcore.o
 obj-$(CONFIG_FUNCTION_TRACER) += trace/
 obj-$(CONFIG_TRACING) += trace/
 obj-$(CONFIG_X86_DS) += trace/
diff --git a/kernel/acct.c b/kernel/acct.c
index a6605ca921b6..24f8c81fc48d 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -588,16 +588,6 @@ out:
 }
 
 /**
- * acct_init_pacct - initialize a new pacct_struct
- * @pacct: per-process accounting info struct to initialize
- */
-void acct_init_pacct(struct pacct_struct *pacct)
-{
-	memset(pacct, 0, sizeof(struct pacct_struct));
-	pacct->ac_utime = pacct->ac_stime = cputime_zero;
-}
-
-/**
  * acct_collect - collect accounting information into pacct_struct
  * @exitcode: task exit code
  * @group_dead: not 0, if this thread is the last one in the process.
diff --git a/kernel/audit.c b/kernel/audit.c
index 5feed232be9d..78f7f86aa238 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -398,7 +398,7 @@ static void kauditd_send_skb(struct sk_buff *skb)
 	skb_get(skb);
 	err = netlink_unicast(audit_sock, skb, audit_nlk_pid, 0);
 	if (err < 0) {
-		BUG_ON(err != -ECONNREFUSED); /* Shoudn't happen */
+		BUG_ON(err != -ECONNREFUSED); /* Shouldn't happen */
 		printk(KERN_ERR "audit: *NO* daemon at audit_pid=%d\n", audit_pid);
 		audit_log_lost("auditd dissapeared\n");
 		audit_pid = 0;
diff --git a/kernel/audit_tree.c b/kernel/audit_tree.c
index 4b05bd9479db..028e85663f27 100644
--- a/kernel/audit_tree.c
+++ b/kernel/audit_tree.c
@@ -548,6 +548,11 @@ int audit_remove_tree_rule(struct audit_krule *rule)
 	return 0;
 }
 
+static int compare_root(struct vfsmount *mnt, void *arg)
+{
+	return mnt->mnt_root->d_inode == arg;
+}
+
 void audit_trim_trees(void)
 {
 	struct list_head cursor;
@@ -559,7 +564,6 @@ void audit_trim_trees(void)
 		struct path path;
 		struct vfsmount *root_mnt;
 		struct node *node;
-		struct list_head list;
 		int err;
 
 		tree = container_of(cursor.next, struct audit_tree, list);
@@ -577,24 +581,16 @@ void audit_trim_trees(void)
 		if (!root_mnt)
 			goto skip_it;
 
-		list_add_tail(&list, &root_mnt->mnt_list);
 		spin_lock(&hash_lock);
 		list_for_each_entry(node, &tree->chunks, list) {
-			struct audit_chunk *chunk = find_chunk(node);
-			struct inode *inode = chunk->watch.inode;
-			struct vfsmount *mnt;
+			struct inode *inode = find_chunk(node)->watch.inode;
 			node->index |= 1U<<31;
-			list_for_each_entry(mnt, &list, mnt_list) {
-				if (mnt->mnt_root->d_inode == inode) {
-					node->index &= ~(1U<<31);
-					break;
-				}
-			}
+			if (iterate_mounts(compare_root, inode, root_mnt))
+				node->index &= ~(1U<<31);
 		}
 		spin_unlock(&hash_lock);
 		trim_marked(tree);
 		put_tree(tree);
-		list_del_init(&list);
 		drop_collected_mounts(root_mnt);
 skip_it:
 		mutex_lock(&audit_filter_mutex);
@@ -603,22 +599,6 @@ skip_it:
 	mutex_unlock(&audit_filter_mutex);
 }
 
-static int is_under(struct vfsmount *mnt, struct dentry *dentry,
-		    struct path *path)
-{
-	if (mnt != path->mnt) {
-		for (;;) {
-			if (mnt->mnt_parent == mnt)
-				return 0;
-			if (mnt->mnt_parent == path->mnt)
-					break;
-			mnt = mnt->mnt_parent;
-		}
-		dentry = mnt->mnt_mountpoint;
-	}
-	return is_subdir(dentry, path->dentry);
-}
-
 int audit_make_tree(struct audit_krule *rule, char *pathname, u32 op)
 {
 
@@ -638,13 +618,17 @@ void audit_put_tree(struct audit_tree *tree)
 	put_tree(tree);
 }
 
+static int tag_mount(struct vfsmount *mnt, void *arg)
+{
+	return tag_chunk(mnt->mnt_root->d_inode, arg);
+}
+
 /* called with audit_filter_mutex */
 int audit_add_tree_rule(struct audit_krule *rule)
 {
 	struct audit_tree *seed = rule->tree, *tree;
 	struct path path;
-	struct vfsmount *mnt, *p;
-	struct list_head list;
+	struct vfsmount *mnt;
 	int err;
 
 	list_for_each_entry(tree, &tree_list, list) {
@@ -670,16 +654,9 @@ int audit_add_tree_rule(struct audit_krule *rule)
 		err = -ENOMEM;
 		goto Err;
 	}
-	list_add_tail(&list, &mnt->mnt_list);
 
 	get_tree(tree);
-	list_for_each_entry(p, &list, mnt_list) {
-		err = tag_chunk(p->mnt_root->d_inode, tree);
-		if (err)
-			break;
-	}
-
-	list_del(&list);
+	err = iterate_mounts(tag_mount, tree, mnt);
 	drop_collected_mounts(mnt);
 
 	if (!err) {
@@ -714,31 +691,23 @@ int audit_tag_tree(char *old, char *new)
 {
 	struct list_head cursor, barrier;
 	int failed = 0;
-	struct path path;
+	struct path path1, path2;
 	struct vfsmount *tagged;
-	struct list_head list;
-	struct vfsmount *mnt;
-	struct dentry *dentry;
 	int err;
 
-	err = kern_path(new, 0, &path);
+	err = kern_path(new, 0, &path2);
 	if (err)
 		return err;
-	tagged = collect_mounts(&path);
-	path_put(&path);
+	tagged = collect_mounts(&path2);
+	path_put(&path2);
 	if (!tagged)
 		return -ENOMEM;
 
-	err = kern_path(old, 0, &path);
+	err = kern_path(old, 0, &path1);
 	if (err) {
 		drop_collected_mounts(tagged);
 		return err;
 	}
-	mnt = mntget(path.mnt);
-	dentry = dget(path.dentry);
-	path_put(&path);
-
-	list_add_tail(&list, &tagged->mnt_list);
 
 	mutex_lock(&audit_filter_mutex);
 	list_add(&barrier, &tree_list);
@@ -746,7 +715,7 @@ int audit_tag_tree(char *old, char *new)
 
 	while (cursor.next != &tree_list) {
 		struct audit_tree *tree;
-		struct vfsmount *p;
+		int good_one = 0;
 
 		tree = container_of(cursor.next, struct audit_tree, list);
 		get_tree(tree);
@@ -754,30 +723,19 @@ int audit_tag_tree(char *old, char *new)
 		list_add(&cursor, &tree->list);
 		mutex_unlock(&audit_filter_mutex);
 
-		err = kern_path(tree->pathname, 0, &path);
-		if (err) {
-			put_tree(tree);
-			mutex_lock(&audit_filter_mutex);
-			continue;
+		err = kern_path(tree->pathname, 0, &path2);
+		if (!err) {
+			good_one = path_is_under(&path1, &path2);
+			path_put(&path2);
 		}
 
-		spin_lock(&vfsmount_lock);
-		if (!is_under(mnt, dentry, &path)) {
-			spin_unlock(&vfsmount_lock);
-			path_put(&path);
+		if (!good_one) {
 			put_tree(tree);
 			mutex_lock(&audit_filter_mutex);
 			continue;
 		}
-		spin_unlock(&vfsmount_lock);
-		path_put(&path);
-
-		list_for_each_entry(p, &list, mnt_list) {
-			failed = tag_chunk(p->mnt_root->d_inode, tree);
-			if (failed)
-				break;
-		}
 
+		failed = iterate_mounts(tag_mount, tree, tagged);
 		if (failed) {
 			put_tree(tree);
 			mutex_lock(&audit_filter_mutex);
@@ -818,10 +776,8 @@ int audit_tag_tree(char *old, char *new)
 	}
 	list_del(&barrier);
 	list_del(&cursor);
-	list_del(&list);
 	mutex_unlock(&audit_filter_mutex);
-	dput(dentry);
-	mntput(mnt);
+	path_put(&path1);
 	drop_collected_mounts(tagged);
 	return failed;
 }
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index fc0f928167e7..f3a461c0970a 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1988,7 +1988,6 @@ void __audit_inode(const char *name, const struct dentry *dentry)
 
 /**
  * audit_inode_child - collect inode info for created/removed objects
- * @dname: inode's dentry name
  * @dentry: dentry being audited
  * @parent: inode of dentry parent
  *
@@ -2000,13 +1999,14 @@ void __audit_inode(const char *name, const struct dentry *dentry)
  * must be hooked prior, in order to capture the target inode during
  * unsuccessful attempts.
  */
-void __audit_inode_child(const char *dname, const struct dentry *dentry,
+void __audit_inode_child(const struct dentry *dentry,
 			 const struct inode *parent)
 {
 	int idx;
 	struct audit_context *context = current->audit_context;
 	const char *found_parent = NULL, *found_child = NULL;
 	const struct inode *inode = dentry->d_inode;
+	const char *dname = dentry->d_name.name;
 	int dirlen = 0;
 
 	if (!context->in_syscall)
@@ -2014,9 +2014,6 @@ void __audit_inode_child(const char *dname, const struct dentry *dentry,
 
 	if (inode)
 		handle_one(inode);
-	/* determine matching parent */
-	if (!dname)
-		goto add_names;
 
 	/* parent is more likely, look for it first */
 	for (idx = 0; idx < context->name_count; idx++) {
diff --git a/kernel/capability.c b/kernel/capability.c
index 7f876e60521f..9e4697e9b276 100644
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -135,7 +135,7 @@ static inline int cap_get_target_pid(pid_t pid, kernel_cap_t *pEp,
 	if (pid && (pid != task_pid_vnr(current))) {
 		struct task_struct *target;
 
-		read_lock(&tasklist_lock);
+		rcu_read_lock();
 
 		target = find_task_by_vpid(pid);
 		if (!target)
@@ -143,7 +143,7 @@ static inline int cap_get_target_pid(pid_t pid, kernel_cap_t *pEp,
 		else
 			ret = security_capget(target, pEp, pIp, pPp);
 
-		read_unlock(&tasklist_lock);
+		rcu_read_unlock();
 	} else
 		ret = security_capget(current, pEp, pIp, pPp);
 
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 4fd90e129772..e2769e13980c 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -4,6 +4,10 @@
  *  Based originally on the cpuset system, extracted by Paul Menage
  *  Copyright (C) 2006 Google, Inc
  *
+ *  Notifications support
+ *  Copyright (C) 2009 Nokia Corporation
+ *  Author: Kirill A. Shutemov
+ *
  *  Copyright notices from the original cpuset code:
  *  --------------------------------------------------
  *  Copyright (C) 2003 BULL SA.
@@ -23,7 +27,6 @@
  */
 
 #include <linux/cgroup.h>
-#include <linux/module.h>
 #include <linux/ctype.h>
 #include <linux/errno.h>
 #include <linux/fs.h>
@@ -44,6 +47,7 @@
 #include <linux/string.h>
 #include <linux/sort.h>
 #include <linux/kmod.h>
+#include <linux/module.h>
 #include <linux/delayacct.h>
 #include <linux/cgroupstats.h>
 #include <linux/hash.h>
@@ -52,15 +56,21 @@
 #include <linux/pid_namespace.h>
 #include <linux/idr.h>
 #include <linux/vmalloc.h> /* TODO: replace with more sophisticated array */
+#include <linux/eventfd.h>
+#include <linux/poll.h>
 
 #include <asm/atomic.h>
 
 static DEFINE_MUTEX(cgroup_mutex);
 
-/* Generate an array of cgroup subsystem pointers */
+/*
+ * Generate an array of cgroup subsystem pointers. At boot time, this is
+ * populated up to CGROUP_BUILTIN_SUBSYS_COUNT, and modular subsystems are
+ * registered after that. The mutable section of this array is protected by
+ * cgroup_mutex.
+ */
 #define SUBSYS(_x) &_x ## _subsys,
-
-static struct cgroup_subsys *subsys[] = {
+static struct cgroup_subsys *subsys[CGROUP_SUBSYS_COUNT] = {
 #include <linux/cgroup_subsys.h>
 };
 
@@ -147,6 +157,35 @@ struct css_id {
 	unsigned short stack[0]; /* Array of Length (depth+1) */
 };
 
+/*
+ * cgroup_event represents events which userspace want to recieve.
+ */
+struct cgroup_event {
+	/*
+	 * Cgroup which the event belongs to.
+	 */
+	struct cgroup *cgrp;
+	/*
+	 * Control file which the event associated.
+	 */
+	struct cftype *cft;
+	/*
+	 * eventfd to signal userspace about the event.
+	 */
+	struct eventfd_ctx *eventfd;
+	/*
+	 * Each of these stored in a list by the cgroup.
+	 */
+	struct list_head list;
+	/*
+	 * All fields below needed to unregister event when
+	 * userspace closes eventfd.
+	 */
+	poll_table pt;
+	wait_queue_head_t *wqh;
+	wait_queue_t wait;
+	struct work_struct remove;
+};
 
 /* The list of hierarchy roots */
 
@@ -250,7 +289,8 @@ struct cg_cgroup_link {
 static struct css_set init_css_set;
 static struct cg_cgroup_link init_css_set_link;
 
-static int cgroup_subsys_init_idr(struct cgroup_subsys *ss);
+static int cgroup_init_idr(struct cgroup_subsys *ss,
+			   struct cgroup_subsys_state *css);
 
 /* css_set_lock protects the list of css_set objects, and the
  * chain of tasks off each css_set.  Nests outside task->alloc_lock
@@ -448,8 +488,11 @@ static struct css_set *find_existing_css_set(
 	struct hlist_node *node;
 	struct css_set *cg;
 
-	/* Built the set of subsystem state objects that we want to
-	 * see in the new css_set */
+	/*
+	 * Build the set of subsystem state objects that we want to see in the
+	 * new css_set. while subsystems can change globally, the entries here
+	 * won't change, so no need for locking.
+	 */
 	for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
 		if (root->subsys_bits & (1UL << i)) {
 			/* Subsystem is in this hierarchy. So we want
@@ -696,6 +739,7 @@ void cgroup_lock(void)
 {
 	mutex_lock(&cgroup_mutex);
 }
+EXPORT_SYMBOL_GPL(cgroup_lock);
 
 /**
  * cgroup_unlock - release lock on cgroup changes
@@ -706,6 +750,7 @@ void cgroup_unlock(void)
 {
 	mutex_unlock(&cgroup_mutex);
 }
+EXPORT_SYMBOL_GPL(cgroup_unlock);
 
 /*
  * A couple of forward declarations required, due to cyclic reference loop:
@@ -757,6 +802,7 @@ static int cgroup_call_pre_destroy(struct cgroup *cgrp)
 			if (ret)
 				break;
 		}
+
 	return ret;
 }
 
@@ -884,7 +930,11 @@ void cgroup_release_and_wakeup_rmdir(struct cgroup_subsys_state *css)
 	css_put(css);
 }
 
-
+/*
+ * Call with cgroup_mutex held. Drops reference counts on modules, including
+ * any duplicate ones that parse_cgroupfs_options took. If this function
+ * returns an error, no reference counts are touched.
+ */
 static int rebind_subsystems(struct cgroupfs_root *root,
 			      unsigned long final_bits)
 {
@@ -892,6 +942,8 @@ static int rebind_subsystems(struct cgroupfs_root *root,
 	struct cgroup *cgrp = &root->top_cgroup;
 	int i;
 
+	BUG_ON(!mutex_is_locked(&cgroup_mutex));
+
 	removed_bits = root->actual_subsys_bits & ~final_bits;
 	added_bits = final_bits & ~root->actual_subsys_bits;
 	/* Check that any added subsystems are currently free */
@@ -900,6 +952,12 @@ static int rebind_subsystems(struct cgroupfs_root *root,
 		struct cgroup_subsys *ss = subsys[i];
 		if (!(bit & added_bits))
 			continue;
+		/*
+		 * Nobody should tell us to do a subsys that doesn't exist:
+		 * parse_cgroupfs_options should catch that case and refcounts
+		 * ensure that subsystems won't disappear once selected.
+		 */
+		BUG_ON(ss == NULL);
 		if (ss->root != &rootnode) {
 			/* Subsystem isn't free */
 			return -EBUSY;
@@ -919,6 +977,7 @@ static int rebind_subsystems(struct cgroupfs_root *root,
 		unsigned long bit = 1UL << i;
 		if (bit & added_bits) {
 			/* We're binding this subsystem to this hierarchy */
+			BUG_ON(ss == NULL);
 			BUG_ON(cgrp->subsys[i]);
 			BUG_ON(!dummytop->subsys[i]);
 			BUG_ON(dummytop->subsys[i]->cgroup != dummytop);
@@ -930,8 +989,10 @@ static int rebind_subsystems(struct cgroupfs_root *root,
 			if (ss->bind)
 				ss->bind(ss, cgrp);
 			mutex_unlock(&ss->hierarchy_mutex);
+			/* refcount was already taken, and we're keeping it */
 		} else if (bit & removed_bits) {
 			/* We're removing this subsystem */
+			BUG_ON(ss == NULL);
 			BUG_ON(cgrp->subsys[i] != dummytop->subsys[i]);
 			BUG_ON(cgrp->subsys[i]->cgroup != cgrp);
 			mutex_lock(&ss->hierarchy_mutex);
@@ -942,9 +1003,20 @@ static int rebind_subsystems(struct cgroupfs_root *root,
 			subsys[i]->root = &rootnode;
 			list_move(&ss->sibling, &rootnode.subsys_list);
 			mutex_unlock(&ss->hierarchy_mutex);
+			/* subsystem is now free - drop reference on module */
+			module_put(ss->module);
 		} else if (bit & final_bits) {
 			/* Subsystem state should already exist */
+			BUG_ON(ss == NULL);
 			BUG_ON(!cgrp->subsys[i]);
+			/*
+			 * a refcount was taken, but we already had one, so
+			 * drop the extra reference.
+			 */
+			module_put(ss->module);
+#ifdef CONFIG_MODULE_UNLOAD
+			BUG_ON(ss->module && !module_refcount(ss->module));
+#endif
 		} else {
 			/* Subsystem state shouldn't exist */
 			BUG_ON(cgrp->subsys[i]);
@@ -986,13 +1058,20 @@ struct cgroup_sb_opts {
 
 };
 
-/* Convert a hierarchy specifier into a bitmask of subsystems and
- * flags. */
-static int parse_cgroupfs_options(char *data,
-				     struct cgroup_sb_opts *opts)
+/*
+ * Convert a hierarchy specifier into a bitmask of subsystems and flags. Call
+ * with cgroup_mutex held to protect the subsys[] array. This function takes
+ * refcounts on subsystems to be used, unless it returns error, in which case
+ * no refcounts are taken.
+ */
+static int parse_cgroupfs_options(char *data, struct cgroup_sb_opts *opts)
 {
 	char *token, *o = data ?: "all";
 	unsigned long mask = (unsigned long)-1;
+	int i;
+	bool module_pin_failed = false;
+
+	BUG_ON(!mutex_is_locked(&cgroup_mutex));
 
 #ifdef CONFIG_CPUSETS
 	mask = ~(1UL << cpuset_subsys_id);
@@ -1005,10 +1084,11 @@ static int parse_cgroupfs_options(char *data,
 			return -EINVAL;
 		if (!strcmp(token, "all")) {
 			/* Add all non-disabled subsystems */
-			int i;
 			opts->subsys_bits = 0;
 			for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
 				struct cgroup_subsys *ss = subsys[i];
+				if (ss == NULL)
+					continue;
 				if (!ss->disabled)
 					opts->subsys_bits |= 1ul << i;
 			}
@@ -1026,7 +1106,6 @@ static int parse_cgroupfs_options(char *data,
 			if (!opts->release_agent)
 				return -ENOMEM;
 		} else if (!strncmp(token, "name=", 5)) {
-			int i;
 			const char *name = token + 5;
 			/* Can't specify an empty name */
 			if (!strlen(name))
@@ -1050,9 +1129,10 @@ static int parse_cgroupfs_options(char *data,
 				return -ENOMEM;
 		} else {
 			struct cgroup_subsys *ss;
-			int i;
 			for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
 				ss = subsys[i];
+				if (ss == NULL)
+					continue;
 				if (!strcmp(token, ss->name)) {
 					if (!ss->disabled)
 						set_bit(i, &opts->subsys_bits);
@@ -1087,9 +1167,54 @@ static int parse_cgroupfs_options(char *data,
 	if (!opts->subsys_bits && !opts->name)
 		return -EINVAL;
 
+	/*
+	 * Grab references on all the modules we'll need, so the subsystems
+	 * don't dance around before rebind_subsystems attaches them. This may
+	 * take duplicate reference counts on a subsystem that's already used,
+	 * but rebind_subsystems handles this case.
+	 */
+	for (i = CGROUP_BUILTIN_SUBSYS_COUNT; i < CGROUP_SUBSYS_COUNT; i++) {
+		unsigned long bit = 1UL << i;
+
+		if (!(bit & opts->subsys_bits))
+			continue;
+		if (!try_module_get(subsys[i]->module)) {
+			module_pin_failed = true;
+			break;
+		}
+	}
+	if (module_pin_failed) {
+		/*
+		 * oops, one of the modules was going away. this means that we
+		 * raced with a module_delete call, and to the user this is
+		 * essentially a "subsystem doesn't exist" case.
+		 */
+		for (i--; i >= CGROUP_BUILTIN_SUBSYS_COUNT; i--) {
+			/* drop refcounts only on the ones we took */
+			unsigned long bit = 1UL << i;
+
+			if (!(bit & opts->subsys_bits))
+				continue;
+			module_put(subsys[i]->module);
+		}
+		return -ENOENT;
+	}
+
 	return 0;
 }
 
+static void drop_parsed_module_refcounts(unsigned long subsys_bits)
+{
+	int i;
+	for (i = CGROUP_BUILTIN_SUBSYS_COUNT; i < CGROUP_SUBSYS_COUNT; i++) {
+		unsigned long bit = 1UL << i;
+
+		if (!(bit & subsys_bits))
+			continue;
+		module_put(subsys[i]->module);
+	}
+}
+
 static int cgroup_remount(struct super_block *sb, int *flags, char *data)
 {
 	int ret = 0;
@@ -1106,21 +1231,19 @@ static int cgroup_remount(struct super_block *sb, int *flags, char *data)
 	if (ret)
 		goto out_unlock;
 
-	/* Don't allow flags to change at remount */
-	if (opts.flags != root->flags) {
-		ret = -EINVAL;
-		goto out_unlock;
-	}
-
-	/* Don't allow name to change at remount */
-	if (opts.name && strcmp(opts.name, root->name)) {
+	/* Don't allow flags or name to change at remount */
+	if (opts.flags != root->flags ||
+	    (opts.name && strcmp(opts.name, root->name))) {
 		ret = -EINVAL;
+		drop_parsed_module_refcounts(opts.subsys_bits);
 		goto out_unlock;
 	}
 
 	ret = rebind_subsystems(root, opts.subsys_bits);
-	if (ret)
+	if (ret) {
+		drop_parsed_module_refcounts(opts.subsys_bits);
 		goto out_unlock;
+	}
 
 	/* (re)populate subsystem files */
 	cgroup_populate_dir(cgrp);
@@ -1151,6 +1274,8 @@ static void init_cgroup_housekeeping(struct cgroup *cgrp)
 	INIT_LIST_HEAD(&cgrp->release_list);
 	INIT_LIST_HEAD(&cgrp->pidlists);
 	mutex_init(&cgrp->pidlist_mutex);
+	INIT_LIST_HEAD(&cgrp->event_list);
+	spin_lock_init(&cgrp->event_list_lock);
 }
 
 static void init_cgroup_root(struct cgroupfs_root *root)
@@ -1306,7 +1431,9 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
 	struct cgroupfs_root *new_root;
 
 	/* First find the desired set of subsystems */
+	mutex_lock(&cgroup_mutex);
 	ret = parse_cgroupfs_options(data, &opts);
+	mutex_unlock(&cgroup_mutex);
 	if (ret)
 		goto out_err;
 
@@ -1317,7 +1444,7 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
 	new_root = cgroup_root_from_opts(&opts);
 	if (IS_ERR(new_root)) {
 		ret = PTR_ERR(new_root);
-		goto out_err;
+		goto drop_modules;
 	}
 	opts.new_root = new_root;
 
@@ -1326,7 +1453,7 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
 	if (IS_ERR(sb)) {
 		ret = PTR_ERR(sb);
 		cgroup_drop_root(opts.new_root);
-		goto out_err;
+		goto drop_modules;
 	}
 
 	root = sb->s_fs_info;
@@ -1382,6 +1509,11 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
 			free_cg_links(&tmp_cg_links);
 			goto drop_new_super;
 		}
+		/*
+		 * There must be no failure case after here, since rebinding
+		 * takes care of subsystems' refcounts, which are explicitly
+		 * dropped in the failure exit path.
+		 */
 
 		/* EBUSY should be the only error here */
 		BUG_ON(ret);
@@ -1420,6 +1552,8 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
 		 * any) is not needed
 		 */
 		cgroup_drop_root(opts.new_root);
+		/* no subsys rebinding, so refcounts don't change */
+		drop_parsed_module_refcounts(opts.subsys_bits);
 	}
 
 	simple_set_mnt(mnt, sb);
@@ -1429,6 +1563,8 @@ static int cgroup_get_sb(struct file_system_type *fs_type,
 
  drop_new_super:
 	deactivate_locked_super(sb);
+ drop_modules:
+	drop_parsed_module_refcounts(opts.subsys_bits);
  out_err:
 	kfree(opts.release_agent);
 	kfree(opts.name);
@@ -1542,6 +1678,7 @@ int cgroup_path(const struct cgroup *cgrp, char *buf, int buflen)
 	memmove(buf, start, buf + buflen - start);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(cgroup_path);
 
 /**
  * cgroup_attach_task - attach task 'tsk' to cgroup 'cgrp'
@@ -1554,7 +1691,7 @@ int cgroup_path(const struct cgroup *cgrp, char *buf, int buflen)
 int cgroup_attach_task(struct cgroup *cgrp, struct task_struct *tsk)
 {
 	int retval = 0;
-	struct cgroup_subsys *ss;
+	struct cgroup_subsys *ss, *failed_ss = NULL;
 	struct cgroup *oldcgrp;
 	struct css_set *cg;
 	struct css_set *newcg;
@@ -1568,8 +1705,16 @@ int cgroup_attach_task(struct cgroup *cgrp, struct task_struct *tsk)
 	for_each_subsys(root, ss) {
 		if (ss->can_attach) {
 			retval = ss->can_attach(ss, cgrp, tsk, false);
-			if (retval)
-				return retval;
+			if (retval) {
+				/*
+				 * Remember on which subsystem the can_attach()
+				 * failed, so that we only call cancel_attach()
+				 * against the subsystems whose can_attach()
+				 * succeeded. (See below)
+				 */
+				failed_ss = ss;
+				goto out;
+			}
 		}
 	}
 
@@ -1583,14 +1728,17 @@ int cgroup_attach_task(struct cgroup *cgrp, struct task_struct *tsk)
 	 */
 	newcg = find_css_set(cg, cgrp);
 	put_css_set(cg);
-	if (!newcg)
-		return -ENOMEM;
+	if (!newcg) {
+		retval = -ENOMEM;
+		goto out;
+	}
 
 	task_lock(tsk);
 	if (tsk->flags & PF_EXITING) {
 		task_unlock(tsk);
 		put_css_set(newcg);
-		return -ESRCH;
+		retval = -ESRCH;
+		goto out;
 	}
 	rcu_assign_pointer(tsk->cgroups, newcg);
 	task_unlock(tsk);
@@ -1616,7 +1764,22 @@ int cgroup_attach_task(struct cgroup *cgrp, struct task_struct *tsk)
 	 * is no longer empty.
 	 */
 	cgroup_wakeup_rmdir_waiter(cgrp);
-	return 0;
+out:
+	if (retval) {
+		for_each_subsys(root, ss) {
+			if (ss == failed_ss)
+				/*
+				 * This subsystem was the one that failed the
+				 * can_attach() check earlier, so we don't need
+				 * to call cancel_attach() against it or any
+				 * remaining subsystems.
+				 */
+				break;
+			if (ss->cancel_attach)
+				ss->cancel_attach(ss, cgrp, tsk, false);
+		}
+	}
+	return retval;
 }
 
 /*
@@ -1682,6 +1845,7 @@ bool cgroup_lock_live_group(struct cgroup *cgrp)
 	}
 	return true;
 }
+EXPORT_SYMBOL_GPL(cgroup_lock_live_group);
 
 static int cgroup_release_agent_write(struct cgroup *cgrp, struct cftype *cft,
 				      const char *buffer)
@@ -1950,6 +2114,16 @@ static const struct inode_operations cgroup_dir_inode_operations = {
 	.rename = cgroup_rename,
 };
 
+/*
+ * Check if a file is a control file
+ */
+static inline struct cftype *__file_cft(struct file *file)
+{
+	if (file->f_dentry->d_inode->i_fop != &cgroup_file_operations)
+		return ERR_PTR(-EINVAL);
+	return __d_cft(file->f_dentry);
+}
+
 static int cgroup_create_file(struct dentry *dentry, mode_t mode,
 				struct super_block *sb)
 {
@@ -2069,6 +2243,7 @@ int cgroup_add_file(struct cgroup *cgrp,
 		error = PTR_ERR(dentry);
 	return error;
 }
+EXPORT_SYMBOL_GPL(cgroup_add_file);
 
 int cgroup_add_files(struct cgroup *cgrp,
 			struct cgroup_subsys *subsys,
@@ -2083,6 +2258,7 @@ int cgroup_add_files(struct cgroup *cgrp,
 	}
 	return 0;
 }
+EXPORT_SYMBOL_GPL(cgroup_add_files);
 
 /**
  * cgroup_task_count - count the number of tasks in a cgroup.
@@ -2468,7 +2644,8 @@ static struct cgroup_pidlist *cgroup_pidlist_find(struct cgroup *cgrp,
 {
 	struct cgroup_pidlist *l;
 	/* don't need task_nsproxy() if we're looking at ourself */
-	struct pid_namespace *ns = get_pid_ns(current->nsproxy->pid_ns);
+	struct pid_namespace *ns = current->nsproxy->pid_ns;
+
 	/*
 	 * We can't drop the pidlist_mutex before taking the l->mutex in case
 	 * the last ref-holder is trying to remove l from the list at the same
@@ -2478,8 +2655,6 @@ static struct cgroup_pidlist *cgroup_pidlist_find(struct cgroup *cgrp,
 	mutex_lock(&cgrp->pidlist_mutex);
 	list_for_each_entry(l, &cgrp->pidlists, links) {
 		if (l->key.type == type && l->key.ns == ns) {
-			/* found a matching list - drop the extra refcount */
-			put_pid_ns(ns);
 			/* make sure l doesn't vanish out from under us */
 			down_write(&l->mutex);
 			mutex_unlock(&cgrp->pidlist_mutex);
@@ -2490,13 +2665,12 @@ static struct cgroup_pidlist *cgroup_pidlist_find(struct cgroup *cgrp,
 	l = kmalloc(sizeof(struct cgroup_pidlist), GFP_KERNEL);
 	if (!l) {
 		mutex_unlock(&cgrp->pidlist_mutex);
-		put_pid_ns(ns);
 		return l;
 	}
 	init_rwsem(&l->mutex);
 	down_write(&l->mutex);
 	l->key.type = type;
-	l->key.ns = ns;
+	l->key.ns = get_pid_ns(ns);
 	l->use_count = 0; /* don't increment here */
 	l->list = NULL;
 	l->owner = cgrp;
@@ -2804,6 +2978,174 @@ static int cgroup_write_notify_on_release(struct cgroup *cgrp,
 }
 
 /*
+ * Unregister event and free resources.
+ *
+ * Gets called from workqueue.
+ */
+static void cgroup_event_remove(struct work_struct *work)
+{
+	struct cgroup_event *event = container_of(work, struct cgroup_event,
+			remove);
+	struct cgroup *cgrp = event->cgrp;
+
+	/* TODO: check return code */
+	event->cft->unregister_event(cgrp, event->cft, event->eventfd);
+
+	eventfd_ctx_put(event->eventfd);
+	kfree(event);
+	dput(cgrp->dentry);
+}
+
+/*
+ * Gets called on POLLHUP on eventfd when user closes it.
+ *
+ * Called with wqh->lock held and interrupts disabled.
+ */
+static int cgroup_event_wake(wait_queue_t *wait, unsigned mode,
+		int sync, void *key)
+{
+	struct cgroup_event *event = container_of(wait,
+			struct cgroup_event, wait);
+	struct cgroup *cgrp = event->cgrp;
+	unsigned long flags = (unsigned long)key;
+
+	if (flags & POLLHUP) {
+		remove_wait_queue_locked(event->wqh, &event->wait);
+		spin_lock(&cgrp->event_list_lock);
+		list_del(&event->list);
+		spin_unlock(&cgrp->event_list_lock);
+		/*
+		 * We are in atomic context, but cgroup_event_remove() may
+		 * sleep, so we have to call it in workqueue.
+		 */
+		schedule_work(&event->remove);
+	}
+
+	return 0;
+}
+
+static void cgroup_event_ptable_queue_proc(struct file *file,
+		wait_queue_head_t *wqh, poll_table *pt)
+{
+	struct cgroup_event *event = container_of(pt,
+			struct cgroup_event, pt);
+
+	event->wqh = wqh;
+	add_wait_queue(wqh, &event->wait);
+}
+
+/*
+ * Parse input and register new cgroup event handler.
+ *
+ * Input must be in format '<event_fd> <control_fd> <args>'.
+ * Interpretation of args is defined by control file implementation.
+ */
+static int cgroup_write_event_control(struct cgroup *cgrp, struct cftype *cft,
+				      const char *buffer)
+{
+	struct cgroup_event *event = NULL;
+	unsigned int efd, cfd;
+	struct file *efile = NULL;
+	struct file *cfile = NULL;
+	char *endp;
+	int ret;
+
+	efd = simple_strtoul(buffer, &endp, 10);
+	if (*endp != ' ')
+		return -EINVAL;
+	buffer = endp + 1;
+
+	cfd = simple_strtoul(buffer, &endp, 10);
+	if ((*endp != ' ') && (*endp != '\0'))
+		return -EINVAL;
+	buffer = endp + 1;
+
+	event = kzalloc(sizeof(*event), GFP_KERNEL);
+	if (!event)
+		return -ENOMEM;
+	event->cgrp = cgrp;
+	INIT_LIST_HEAD(&event->list);
+	init_poll_funcptr(&event->pt, cgroup_event_ptable_queue_proc);
+	init_waitqueue_func_entry(&event->wait, cgroup_event_wake);
+	INIT_WORK(&event->remove, cgroup_event_remove);
+
+	efile = eventfd_fget(efd);
+	if (IS_ERR(efile)) {
+		ret = PTR_ERR(efile);
+		goto fail;
+	}
+
+	event->eventfd = eventfd_ctx_fileget(efile);
+	if (IS_ERR(event->eventfd)) {
+		ret = PTR_ERR(event->eventfd);
+		goto fail;
+	}
+
+	cfile = fget(cfd);
+	if (!cfile) {
+		ret = -EBADF;
+		goto fail;
+	}
+
+	/* the process need read permission on control file */
+	ret = file_permission(cfile, MAY_READ);
+	if (ret < 0)
+		goto fail;
+
+	event->cft = __file_cft(cfile);
+	if (IS_ERR(event->cft)) {
+		ret = PTR_ERR(event->cft);
+		goto fail;
+	}
+
+	if (!event->cft->register_event || !event->cft->unregister_event) {
+		ret = -EINVAL;
+		goto fail;
+	}
+
+	ret = event->cft->register_event(cgrp, event->cft,
+			event->eventfd, buffer);
+	if (ret)
+		goto fail;
+
+	if (efile->f_op->poll(efile, &event->pt) & POLLHUP) {
+		event->cft->unregister_event(cgrp, event->cft, event->eventfd);
+		ret = 0;
+		goto fail;
+	}
+
+	/*
+	 * Events should be removed after rmdir of cgroup directory, but before
+	 * destroying subsystem state objects. Let's take reference to cgroup
+	 * directory dentry to do that.
+	 */
+	dget(cgrp->dentry);
+
+	spin_lock(&cgrp->event_list_lock);
+	list_add(&event->list, &cgrp->event_list);
+	spin_unlock(&cgrp->event_list_lock);
+
+	fput(cfile);
+	fput(efile);
+
+	return 0;
+
+fail:
+	if (cfile)
+		fput(cfile);
+
+	if (event && event->eventfd && !IS_ERR(event->eventfd))
+		eventfd_ctx_put(event->eventfd);
+
+	if (!IS_ERR_OR_NULL(efile))
+		fput(efile);
+
+	kfree(event);
+
+	return ret;
+}
+
+/*
  * for the common functions, 'private' gives the type of file
  */
 /* for hysterical raisins, we can't put this on the older files */
@@ -2828,6 +3170,11 @@ static struct cftype files[] = {
 		.read_u64 = cgroup_read_notify_on_release,
 		.write_u64 = cgroup_write_notify_on_release,
 	},
+	{
+		.name = CGROUP_FILE_GENERIC_PREFIX "event_control",
+		.write_string = cgroup_write_event_control,
+		.mode = S_IWUGO,
+	},
 };
 
 static struct cftype cft_release_agent = {
@@ -2892,8 +3239,14 @@ static void cgroup_lock_hierarchy(struct cgroupfs_root *root)
 	/* We need to take each hierarchy_mutex in a consistent order */
 	int i;
 
+	/*
+	 * No worry about a race with rebind_subsystems that might mess up the
+	 * locking order, since both parties are under cgroup_mutex.
+	 */
 	for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
 		struct cgroup_subsys *ss = subsys[i];
+		if (ss == NULL)
+			continue;
 		if (ss->root == root)
 			mutex_lock(&ss->hierarchy_mutex);
 	}
@@ -2905,6 +3258,8 @@ static void cgroup_unlock_hierarchy(struct cgroupfs_root *root)
 
 	for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
 		struct cgroup_subsys *ss = subsys[i];
+		if (ss == NULL)
+			continue;
 		if (ss->root == root)
 			mutex_unlock(&ss->hierarchy_mutex);
 	}
@@ -3028,11 +3383,16 @@ static int cgroup_has_css_refs(struct cgroup *cgrp)
 	 * synchronization other than RCU, and the subsystem linked
 	 * list isn't RCU-safe */
 	int i;
+	/*
+	 * We won't need to lock the subsys array, because the subsystems
+	 * we're concerned about aren't going anywhere since our cgroup root
+	 * has a reference on them.
+	 */
 	for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
 		struct cgroup_subsys *ss = subsys[i];
 		struct cgroup_subsys_state *css;
-		/* Skip subsystems not in this hierarchy */
-		if (ss->root != cgrp->root)
+		/* Skip subsystems not present or not in this hierarchy */
+		if (ss == NULL || ss->root != cgrp->root)
 			continue;
 		css = cgrp->subsys[ss->subsys_id];
 		/* When called from check_for_release() it's possible
@@ -3106,6 +3466,7 @@ static int cgroup_rmdir(struct inode *unused_dir, struct dentry *dentry)
 	struct dentry *d;
 	struct cgroup *parent;
 	DEFINE_WAIT(wait);
+	struct cgroup_event *event, *tmp;
 	int ret;
 
 	/* the vfs holds both inode->i_mutex already */
@@ -3189,6 +3550,20 @@ again:
 	set_bit(CGRP_RELEASABLE, &parent->flags);
 	check_for_release(parent);
 
+	/*
+	 * Unregister events and notify userspace.
+	 * Notify userspace about cgroup removing only after rmdir of cgroup
+	 * directory to avoid race between userspace and kernelspace
+	 */
+	spin_lock(&cgrp->event_list_lock);
+	list_for_each_entry_safe(event, tmp, &cgrp->event_list, list) {
+		list_del(&event->list);
+		remove_wait_queue(event->wqh, &event->wait);
+		eventfd_signal(event->eventfd, 1);
+		schedule_work(&event->remove);
+	}
+	spin_unlock(&cgrp->event_list_lock);
+
 	mutex_unlock(&cgroup_mutex);
 	return 0;
 }
@@ -3223,9 +3598,198 @@ static void __init cgroup_init_subsys(struct cgroup_subsys *ss)
 	mutex_init(&ss->hierarchy_mutex);
 	lockdep_set_class(&ss->hierarchy_mutex, &ss->subsys_key);
 	ss->active = 1;
+
+	/* this function shouldn't be used with modular subsystems, since they
+	 * need to register a subsys_id, among other things */
+	BUG_ON(ss->module);
 }
 
 /**
+ * cgroup_load_subsys: load and register a modular subsystem at runtime
+ * @ss: the subsystem to load
+ *
+ * This function should be called in a modular subsystem's initcall. If the
+ * subsytem is built as a module, it will be assigned a new subsys_id and set
+ * up for use. If the subsystem is built-in anyway, work is delegated to the
+ * simpler cgroup_init_subsys.
+ */
+int __init_or_module cgroup_load_subsys(struct cgroup_subsys *ss)
+{
+	int i;
+	struct cgroup_subsys_state *css;
+
+	/* check name and function validity */
+	if (ss->name == NULL || strlen(ss->name) > MAX_CGROUP_TYPE_NAMELEN ||
+	    ss->create == NULL || ss->destroy == NULL)
+		return -EINVAL;
+
+	/*
+	 * we don't support callbacks in modular subsystems. this check is
+	 * before the ss->module check for consistency; a subsystem that could
+	 * be a module should still have no callbacks even if the user isn't
+	 * compiling it as one.
+	 */
+	if (ss->fork || ss->exit)
+		return -EINVAL;
+
+	/*
+	 * an optionally modular subsystem is built-in: we want to do nothing,
+	 * since cgroup_init_subsys will have already taken care of it.
+	 */
+	if (ss->module == NULL) {
+		/* a few sanity checks */
+		BUG_ON(ss->subsys_id >= CGROUP_BUILTIN_SUBSYS_COUNT);
+		BUG_ON(subsys[ss->subsys_id] != ss);
+		return 0;
+	}
+
+	/*
+	 * need to register a subsys id before anything else - for example,
+	 * init_cgroup_css needs it.
+	 */
+	mutex_lock(&cgroup_mutex);
+	/* find the first empty slot in the array */
+	for (i = CGROUP_BUILTIN_SUBSYS_COUNT; i < CGROUP_SUBSYS_COUNT; i++) {
+		if (subsys[i] == NULL)
+			break;
+	}
+	if (i == CGROUP_SUBSYS_COUNT) {
+		/* maximum number of subsystems already registered! */
+		mutex_unlock(&cgroup_mutex);
+		return -EBUSY;
+	}
+	/* assign ourselves the subsys_id */
+	ss->subsys_id = i;
+	subsys[i] = ss;
+
+	/*
+	 * no ss->create seems to need anything important in the ss struct, so
+	 * this can happen first (i.e. before the rootnode attachment).
+	 */
+	css = ss->create(ss, dummytop);
+	if (IS_ERR(css)) {
+		/* failure case - need to deassign the subsys[] slot. */
+		subsys[i] = NULL;
+		mutex_unlock(&cgroup_mutex);
+		return PTR_ERR(css);
+	}
+
+	list_add(&ss->sibling, &rootnode.subsys_list);
+	ss->root = &rootnode;
+
+	/* our new subsystem will be attached to the dummy hierarchy. */
+	init_cgroup_css(css, ss, dummytop);
+	/* init_idr must be after init_cgroup_css because it sets css->id. */
+	if (ss->use_id) {
+		int ret = cgroup_init_idr(ss, css);
+		if (ret) {
+			dummytop->subsys[ss->subsys_id] = NULL;
+			ss->destroy(ss, dummytop);
+			subsys[i] = NULL;
+			mutex_unlock(&cgroup_mutex);
+			return ret;
+		}
+	}
+
+	/*
+	 * Now we need to entangle the css into the existing css_sets. unlike
+	 * in cgroup_init_subsys, there are now multiple css_sets, so each one
+	 * will need a new pointer to it; done by iterating the css_set_table.
+	 * furthermore, modifying the existing css_sets will corrupt the hash
+	 * table state, so each changed css_set will need its hash recomputed.
+	 * this is all done under the css_set_lock.
+	 */
+	write_lock(&css_set_lock);
+	for (i = 0; i < CSS_SET_TABLE_SIZE; i++) {
+		struct css_set *cg;
+		struct hlist_node *node, *tmp;
+		struct hlist_head *bucket = &css_set_table[i], *new_bucket;
+
+		hlist_for_each_entry_safe(cg, node, tmp, bucket, hlist) {
+			/* skip entries that we already rehashed */
+			if (cg->subsys[ss->subsys_id])
+				continue;
+			/* remove existing entry */
+			hlist_del(&cg->hlist);
+			/* set new value */
+			cg->subsys[ss->subsys_id] = css;
+			/* recompute hash and restore entry */
+			new_bucket = css_set_hash(cg->subsys);
+			hlist_add_head(&cg->hlist, new_bucket);
+		}
+	}
+	write_unlock(&css_set_lock);
+
+	mutex_init(&ss->hierarchy_mutex);
+	lockdep_set_class(&ss->hierarchy_mutex, &ss->subsys_key);
+	ss->active = 1;
+
+	/* success! */
+	mutex_unlock(&cgroup_mutex);
+	return 0;
+}
+EXPORT_SYMBOL_GPL(cgroup_load_subsys);
+
+/**
+ * cgroup_unload_subsys: unload a modular subsystem
+ * @ss: the subsystem to unload
+ *
+ * This function should be called in a modular subsystem's exitcall. When this
+ * function is invoked, the refcount on the subsystem's module will be 0, so
+ * the subsystem will not be attached to any hierarchy.
+ */
+void cgroup_unload_subsys(struct cgroup_subsys *ss)
+{
+	struct cg_cgroup_link *link;
+	struct hlist_head *hhead;
+
+	BUG_ON(ss->module == NULL);
+
+	/*
+	 * we shouldn't be called if the subsystem is in use, and the use of
+	 * try_module_get in parse_cgroupfs_options should ensure that it
+	 * doesn't start being used while we're killing it off.
+	 */
+	BUG_ON(ss->root != &rootnode);
+
+	mutex_lock(&cgroup_mutex);
+	/* deassign the subsys_id */
+	BUG_ON(ss->subsys_id < CGROUP_BUILTIN_SUBSYS_COUNT);
+	subsys[ss->subsys_id] = NULL;
+
+	/* remove subsystem from rootnode's list of subsystems */
+	list_del(&ss->sibling);
+
+	/*
+	 * disentangle the css from all css_sets attached to the dummytop. as
+	 * in loading, we need to pay our respects to the hashtable gods.
+	 */
+	write_lock(&css_set_lock);
+	list_for_each_entry(link, &dummytop->css_sets, cgrp_link_list) {
+		struct css_set *cg = link->cg;
+
+		hlist_del(&cg->hlist);
+		BUG_ON(!cg->subsys[ss->subsys_id]);
+		cg->subsys[ss->subsys_id] = NULL;
+		hhead = css_set_hash(cg->subsys);
+		hlist_add_head(&cg->hlist, hhead);
+	}
+	write_unlock(&css_set_lock);
+
+	/*
+	 * remove subsystem's css from the dummytop and free it - need to free
+	 * before marking as null because ss->destroy needs the cgrp->subsys
+	 * pointer to find their state. note that this also takes care of
+	 * freeing the css_id.
+	 */
+	ss->destroy(ss, dummytop);
+	dummytop->subsys[ss->subsys_id] = NULL;
+
+	mutex_unlock(&cgroup_mutex);
+}
+EXPORT_SYMBOL_GPL(cgroup_unload_subsys);
+
+/**
  * cgroup_init_early - cgroup initialization at system boot
  *
  * Initialize cgroups at system boot, and initialize any
@@ -3253,7 +3817,8 @@ int __init cgroup_init_early(void)
 	for (i = 0; i < CSS_SET_TABLE_SIZE; i++)
 		INIT_HLIST_HEAD(&css_set_table[i]);
 
-	for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
+	/* at bootup time, we don't worry about modular subsystems */
+	for (i = 0; i < CGROUP_BUILTIN_SUBSYS_COUNT; i++) {
 		struct cgroup_subsys *ss = subsys[i];
 
 		BUG_ON(!ss->name);
@@ -3288,12 +3853,13 @@ int __init cgroup_init(void)
 	if (err)
 		return err;
 
-	for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
+	/* at bootup time, we don't worry about modular subsystems */
+	for (i = 0; i < CGROUP_BUILTIN_SUBSYS_COUNT; i++) {
 		struct cgroup_subsys *ss = subsys[i];
 		if (!ss->early_init)
 			cgroup_init_subsys(ss);
 		if (ss->use_id)
-			cgroup_subsys_init_idr(ss);
+			cgroup_init_idr(ss, init_css_set.subsys[ss->subsys_id]);
 	}
 
 	/* Add init_css_set to the hash table */
@@ -3397,9 +3963,16 @@ static int proc_cgroupstats_show(struct seq_file *m, void *v)
 	int i;
 
 	seq_puts(m, "#subsys_name\thierarchy\tnum_cgroups\tenabled\n");
+	/*
+	 * ideally we don't want subsystems moving around while we do this.
+	 * cgroup_mutex is also necessary to guarantee an atomic snapshot of
+	 * subsys/hierarchy state.
+	 */
 	mutex_lock(&cgroup_mutex);
 	for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
 		struct cgroup_subsys *ss = subsys[i];
+		if (ss == NULL)
+			continue;
 		seq_printf(m, "%s\t%d\t%d\t%d\n",
 			   ss->name, ss->root->hierarchy_id,
 			   ss->root->number_of_cgroups, !ss->disabled);
@@ -3457,7 +4030,12 @@ void cgroup_fork_callbacks(struct task_struct *child)
 {
 	if (need_forkexit_callback) {
 		int i;
-		for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
+		/*
+		 * forkexit callbacks are only supported for builtin
+		 * subsystems, and the builtin section of the subsys array is
+		 * immutable, so we don't need to lock the subsys array here.
+		 */
+		for (i = 0; i < CGROUP_BUILTIN_SUBSYS_COUNT; i++) {
 			struct cgroup_subsys *ss = subsys[i];
 			if (ss->fork)
 				ss->fork(ss, child);
@@ -3526,7 +4104,11 @@ void cgroup_exit(struct task_struct *tsk, int run_callbacks)
 	struct css_set *cg;
 
 	if (run_callbacks && need_forkexit_callback) {
-		for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
+		/*
+		 * modular subsystems can't use callbacks, so no need to lock
+		 * the subsys array
+		 */
+		for (i = 0; i < CGROUP_BUILTIN_SUBSYS_COUNT; i++) {
 			struct cgroup_subsys *ss = subsys[i];
 			if (ss->exit)
 				ss->exit(ss, tsk);
@@ -3720,12 +4302,13 @@ static void check_for_release(struct cgroup *cgrp)
 	}
 }
 
-void __css_put(struct cgroup_subsys_state *css)
+/* Caller must verify that the css is not for root cgroup */
+void __css_put(struct cgroup_subsys_state *css, int count)
 {
 	struct cgroup *cgrp = css->cgroup;
 	int val;
 	rcu_read_lock();
-	val = atomic_dec_return(&css->refcnt);
+	val = atomic_sub_return(count, &css->refcnt);
 	if (val == 1) {
 		if (notify_on_release(cgrp)) {
 			set_bit(CGRP_RELEASABLE, &cgrp->flags);
@@ -3736,6 +4319,7 @@ void __css_put(struct cgroup_subsys_state *css)
 	rcu_read_unlock();
 	WARN_ON_ONCE(val < 1);
 }
+EXPORT_SYMBOL_GPL(__css_put);
 
 /*
  * Notify userspace when a cgroup is released, by running the
@@ -3817,8 +4401,11 @@ static int __init cgroup_disable(char *str)
 	while ((token = strsep(&str, ",")) != NULL) {
 		if (!*token)
 			continue;
-
-		for (i = 0; i < CGROUP_SUBSYS_COUNT; i++) {
+		/*
+		 * cgroup_disable, being at boot time, can't know about module
+		 * subsystems, so we don't worry about them.
+		 */
+		for (i = 0; i < CGROUP_BUILTIN_SUBSYS_COUNT; i++) {
 			struct cgroup_subsys *ss = subsys[i];
 
 			if (!strcmp(token, ss->name)) {
@@ -3848,6 +4435,7 @@ unsigned short css_id(struct cgroup_subsys_state *css)
 		return cssid->id;
 	return 0;
 }
+EXPORT_SYMBOL_GPL(css_id);
 
 unsigned short css_depth(struct cgroup_subsys_state *css)
 {
@@ -3857,6 +4445,7 @@ unsigned short css_depth(struct cgroup_subsys_state *css)
 		return cssid->depth;
 	return 0;
 }
+EXPORT_SYMBOL_GPL(css_depth);
 
 bool css_is_ancestor(struct cgroup_subsys_state *child,
 		    const struct cgroup_subsys_state *root)
@@ -3893,6 +4482,7 @@ void free_css_id(struct cgroup_subsys *ss, struct cgroup_subsys_state *css)
 	spin_unlock(&ss->id_lock);
 	call_rcu(&id->rcu_head, __free_css_id_cb);
 }
+EXPORT_SYMBOL_GPL(free_css_id);
 
 /*
  * This is called by init or create(). Then, calls to this function are
@@ -3942,15 +4532,14 @@ err_out:
 
 }
 
-static int __init cgroup_subsys_init_idr(struct cgroup_subsys *ss)
+static int __init_or_module cgroup_init_idr(struct cgroup_subsys *ss,
+					    struct cgroup_subsys_state *rootcss)
 {
 	struct css_id *newid;
-	struct cgroup_subsys_state *rootcss;
 
 	spin_lock_init(&ss->id_lock);
 	idr_init(&ss->idr);
 
-	rootcss = init_css_set.subsys[ss->subsys_id];
 	newid = get_new_cssid(ss, 0);
 	if (IS_ERR(newid))
 		return PTR_ERR(newid);
@@ -4010,6 +4599,7 @@ struct cgroup_subsys_state *css_lookup(struct cgroup_subsys *ss, int id)
 
 	return rcu_dereference(cssid->css);
 }
+EXPORT_SYMBOL_GPL(css_lookup);
 
 /**
  * css_get_next - lookup next cgroup under specified hierarchy.
diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index 59e9ef6aab40..eb3f34d57419 100644
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -47,17 +47,20 @@ static inline struct freezer *task_freezer(struct task_struct *task)
 			    struct freezer, css);
 }
 
-int cgroup_frozen(struct task_struct *task)
+int cgroup_freezing_or_frozen(struct task_struct *task)
 {
 	struct freezer *freezer;
 	enum freezer_state state;
 
 	task_lock(task);
 	freezer = task_freezer(task);
-	state = freezer->state;
+	if (!freezer->css.cgroup->parent)
+		state = CGROUP_THAWED; /* root cgroup can't be frozen */
+	else
+		state = freezer->state;
 	task_unlock(task);
 
-	return state == CGROUP_FROZEN;
+	return (state == CGROUP_FREEZING) || (state == CGROUP_FROZEN);
 }
 
 /*
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 677f25376a38..f8cced2692b3 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -338,7 +338,7 @@ int __cpuinit cpu_up(unsigned int cpu)
 	if (!cpu_possible(cpu)) {
 		printk(KERN_ERR "can't online cpu %d because it is not "
 			"configured as may-hotadd at boot time\n", cpu);
-#if defined(CONFIG_IA64) || defined(CONFIG_X86_64)
+#if defined(CONFIG_IA64)
 		printk(KERN_ERR "please check additional_cpus= boot "
 				"parameter\n");
 #endif
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index ba401fab459f..d10946748ec2 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -920,9 +920,6 @@ static int update_cpumask(struct cpuset *cs, struct cpuset *trialcs,
  *    call to guarantee_online_mems(), as we know no one is changing
  *    our task's cpuset.
  *
- *    Hold callback_mutex around the two modifications of our tasks
- *    mems_allowed to synchronize with cpuset_mems_allowed().
- *
  *    While the mm_struct we are migrating is typically from some
  *    other task, the task_struct mems_allowed that we are hacking
  *    is for our current task, which must allocate new pages for that
@@ -973,15 +970,20 @@ static void cpuset_change_nodemask(struct task_struct *p,
 	struct cpuset *cs;
 	int migrate;
 	const nodemask_t *oldmem = scan->data;
-	nodemask_t newmems;
+	NODEMASK_ALLOC(nodemask_t, newmems, GFP_KERNEL);
+
+	if (!newmems)
+		return;
 
 	cs = cgroup_cs(scan->cg);
-	guarantee_online_mems(cs, &newmems);
+	guarantee_online_mems(cs, newmems);
 
 	task_lock(p);
-	cpuset_change_task_nodemask(p, &newmems);
+	cpuset_change_task_nodemask(p, newmems);
 	task_unlock(p);
 
+	NODEMASK_FREE(newmems);
+
 	mm = get_task_mm(p);
 	if (!mm)
 		return;
@@ -1051,16 +1053,21 @@ static void update_tasks_nodemask(struct cpuset *cs, const nodemask_t *oldmem,
 static int update_nodemask(struct cpuset *cs, struct cpuset *trialcs,
 			   const char *buf)
 {
-	nodemask_t oldmem;
+	NODEMASK_ALLOC(nodemask_t, oldmem, GFP_KERNEL);
 	int retval;
 	struct ptr_heap heap;
 
+	if (!oldmem)
+		return -ENOMEM;
+
 	/*
 	 * top_cpuset.mems_allowed tracks node_stats[N_HIGH_MEMORY];
 	 * it's read-only
 	 */
-	if (cs == &top_cpuset)
-		return -EACCES;
+	if (cs == &top_cpuset) {
+		retval = -EACCES;
+		goto done;
+	}
 
 	/*
 	 * An empty mems_allowed is ok iff there are no tasks in the cpuset.
@@ -1076,11 +1083,13 @@ static int update_nodemask(struct cpuset *cs, struct cpuset *trialcs,
 			goto done;
 
 		if (!nodes_subset(trialcs->mems_allowed,
-				node_states[N_HIGH_MEMORY]))
-			return -EINVAL;
+				node_states[N_HIGH_MEMORY])) {
+			retval =  -EINVAL;
+			goto done;
+		}
 	}
-	oldmem = cs->mems_allowed;
-	if (nodes_equal(oldmem, trialcs->mems_allowed)) {
+	*oldmem = cs->mems_allowed;
+	if (nodes_equal(*oldmem, trialcs->mems_allowed)) {
 		retval = 0;		/* Too easy - nothing to do */
 		goto done;
 	}
@@ -1096,10 +1105,11 @@ static int update_nodemask(struct cpuset *cs, struct cpuset *trialcs,
 	cs->mems_allowed = trialcs->mems_allowed;
 	mutex_unlock(&callback_mutex);
 
-	update_tasks_nodemask(cs, &oldmem, &heap);
+	update_tasks_nodemask(cs, oldmem, &heap);
 
 	heap_free(&heap);
 done:
+	NODEMASK_FREE(oldmem);
 	return retval;
 }
 
@@ -1384,40 +1394,47 @@ static void cpuset_attach(struct cgroup_subsys *ss, struct cgroup *cont,
 			  struct cgroup *oldcont, struct task_struct *tsk,
 			  bool threadgroup)
 {
-	nodemask_t from, to;
 	struct mm_struct *mm;
 	struct cpuset *cs = cgroup_cs(cont);
 	struct cpuset *oldcs = cgroup_cs(oldcont);
+	NODEMASK_ALLOC(nodemask_t, from, GFP_KERNEL);
+	NODEMASK_ALLOC(nodemask_t, to, GFP_KERNEL);
+
+	if (from == NULL || to == NULL)
+		goto alloc_fail;
 
 	if (cs == &top_cpuset) {
 		cpumask_copy(cpus_attach, cpu_possible_mask);
-		to = node_possible_map;
 	} else {
 		guarantee_online_cpus(cs, cpus_attach);
-		guarantee_online_mems(cs, &to);
 	}
+	guarantee_online_mems(cs, to);
 
 	/* do per-task migration stuff possibly for each in the threadgroup */
-	cpuset_attach_task(tsk, &to, cs);
+	cpuset_attach_task(tsk, to, cs);
 	if (threadgroup) {
 		struct task_struct *c;
 		rcu_read_lock();
 		list_for_each_entry_rcu(c, &tsk->thread_group, thread_group) {
-			cpuset_attach_task(c, &to, cs);
+			cpuset_attach_task(c, to, cs);
 		}
 		rcu_read_unlock();
 	}
 
 	/* change mm; only needs to be done once even if threadgroup */
-	from = oldcs->mems_allowed;
-	to = cs->mems_allowed;
+	*from = oldcs->mems_allowed;
+	*to = cs->mems_allowed;
 	mm = get_task_mm(tsk);
 	if (mm) {
-		mpol_rebind_mm(mm, &to);
+		mpol_rebind_mm(mm, to);
 		if (is_memory_migrate(cs))
-			cpuset_migrate_mm(mm, &from, &to);
+			cpuset_migrate_mm(mm, from, to);
 		mmput(mm);
 	}
+
+alloc_fail:
+	NODEMASK_FREE(from);
+	NODEMASK_FREE(to);
 }
 
 /* The various types of files and directories in a cpuset file system */
@@ -1562,13 +1579,21 @@ static int cpuset_sprintf_cpulist(char *page, struct cpuset *cs)
 
 static int cpuset_sprintf_memlist(char *page, struct cpuset *cs)
 {
-	nodemask_t mask;
+	NODEMASK_ALLOC(nodemask_t, mask, GFP_KERNEL);
+	int retval;
+
+	if (mask == NULL)
+		return -ENOMEM;
 
 	mutex_lock(&callback_mutex);
-	mask = cs->mems_allowed;
+	*mask = cs->mems_allowed;
 	mutex_unlock(&callback_mutex);
 
-	return nodelist_scnprintf(page, PAGE_SIZE, mask);
+	retval = nodelist_scnprintf(page, PAGE_SIZE, *mask);
+
+	NODEMASK_FREE(mask);
+
+	return retval;
 }
 
 static ssize_t cpuset_common_file_read(struct cgroup *cont,
@@ -1997,7 +2022,10 @@ static void scan_for_empty_cpusets(struct cpuset *root)
 	struct cpuset *cp;	/* scans cpusets being updated */
 	struct cpuset *child;	/* scans child cpusets of cp */
 	struct cgroup *cont;
-	nodemask_t oldmems;
+	NODEMASK_ALLOC(nodemask_t, oldmems, GFP_KERNEL);
+
+	if (oldmems == NULL)
+		return;
 
 	list_add_tail((struct list_head *)&root->stack_list, &queue);
 
@@ -2014,7 +2042,7 @@ static void scan_for_empty_cpusets(struct cpuset *root)
 		    nodes_subset(cp->mems_allowed, node_states[N_HIGH_MEMORY]))
 			continue;
 
-		oldmems = cp->mems_allowed;
+		*oldmems = cp->mems_allowed;
 
 		/* Remove offline cpus and mems from this cpuset. */
 		mutex_lock(&callback_mutex);
@@ -2030,9 +2058,10 @@ static void scan_for_empty_cpusets(struct cpuset *root)
 			remove_tasks_in_empty_cpuset(cp);
 		else {
 			update_tasks_cpumask(cp, NULL);
-			update_tasks_nodemask(cp, &oldmems, NULL);
+			update_tasks_nodemask(cp, oldmems, NULL);
 		}
 	}
+	NODEMASK_FREE(oldmems);
 }
 
 /*
@@ -2090,20 +2119,33 @@ static int cpuset_track_online_cpus(struct notifier_block *unused_nb,
 static int cpuset_track_online_nodes(struct notifier_block *self,
 				unsigned long action, void *arg)
 {
+	NODEMASK_ALLOC(nodemask_t, oldmems, GFP_KERNEL);
+
+	if (oldmems == NULL)
+		return NOTIFY_DONE;
+
 	cgroup_lock();
 	switch (action) {
 	case MEM_ONLINE:
-	case MEM_OFFLINE:
+		*oldmems = top_cpuset.mems_allowed;
 		mutex_lock(&callback_mutex);
 		top_cpuset.mems_allowed = node_states[N_HIGH_MEMORY];
 		mutex_unlock(&callback_mutex);
-		if (action == MEM_OFFLINE)
-			scan_for_empty_cpusets(&top_cpuset);
+		update_tasks_nodemask(&top_cpuset, oldmems, NULL);
+		break;
+	case MEM_OFFLINE:
+		/*
+		 * needn't update top_cpuset.mems_allowed explicitly because
+		 * scan_for_empty_cpusets() will update it.
+		 */
+		scan_for_empty_cpusets(&top_cpuset);
 		break;
 	default:
 		break;
 	}
 	cgroup_unlock();
+
+	NODEMASK_FREE(oldmems);
 	return NOTIFY_OK;
 }
 #endif
diff --git a/kernel/cred.c b/kernel/cred.c
index 1ed8ca18790c..1b1129d0cce8 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -364,7 +364,7 @@ struct cred *prepare_usermodehelper_creds(void)
 
 	new = kmem_cache_alloc(cred_jar, GFP_ATOMIC);
 	if (!new)
-		return NULL;
+		goto free_tgcred;
 
 	kdebug("prepare_usermodehelper_creds() alloc %p", new);
 
@@ -397,6 +397,10 @@ struct cred *prepare_usermodehelper_creds(void)
 
 error:
 	put_cred(new);
+free_tgcred:
+#ifdef CONFIG_KEYS
+	kfree(tgcred);
+#endif
 	return NULL;
 }
 
diff --git a/kernel/early_res.c b/kernel/early_res.c
new file mode 100644
index 000000000000..31aa9332ef3f
--- /dev/null
+++ b/kernel/early_res.c
@@ -0,0 +1,584 @@
+/*
+ * early_res, could be used to replace bootmem
+ */
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/bootmem.h>
+#include <linux/mm.h>
+#include <linux/early_res.h>
+
+/*
+ * Early reserved memory areas.
+ */
+/*
+ * need to make sure this one is bigger enough before
+ * find_fw_memmap_area could be used
+ */
+#define MAX_EARLY_RES_X 32
+
+struct early_res {
+	u64 start, end;
+	char name[15];
+	char overlap_ok;
+};
+static struct early_res early_res_x[MAX_EARLY_RES_X] __initdata;
+
+static int max_early_res __initdata = MAX_EARLY_RES_X;
+static struct early_res *early_res __initdata = &early_res_x[0];
+static int early_res_count __initdata;
+
+static int __init find_overlapped_early(u64 start, u64 end)
+{
+	int i;
+	struct early_res *r;
+
+	for (i = 0; i < max_early_res && early_res[i].end; i++) {
+		r = &early_res[i];
+		if (end > r->start && start < r->end)
+			break;
+	}
+
+	return i;
+}
+
+/*
+ * Drop the i-th range from the early reservation map,
+ * by copying any higher ranges down one over it, and
+ * clearing what had been the last slot.
+ */
+static void __init drop_range(int i)
+{
+	int j;
+
+	for (j = i + 1; j < max_early_res && early_res[j].end; j++)
+		;
+
+	memmove(&early_res[i], &early_res[i + 1],
+	       (j - 1 - i) * sizeof(struct early_res));
+
+	early_res[j - 1].end = 0;
+	early_res_count--;
+}
+
+static void __init drop_range_partial(int i, u64 start, u64 end)
+{
+	u64 common_start, common_end;
+	u64 old_start, old_end;
+
+	old_start = early_res[i].start;
+	old_end = early_res[i].end;
+	common_start = max(old_start, start);
+	common_end = min(old_end, end);
+
+	/* no overlap ? */
+	if (common_start >= common_end)
+		return;
+
+	if (old_start < common_start) {
+		/* make head segment */
+		early_res[i].end = common_start;
+		if (old_end > common_end) {
+			char name[15];
+
+			/*
+			 * Save a local copy of the name, since the
+			 * early_res array could get resized inside
+			 * reserve_early_without_check() ->
+			 * __check_and_double_early_res(), which would
+			 * make the current name pointer invalid.
+			 */
+			strncpy(name, early_res[i].name,
+					 sizeof(early_res[i].name) - 1);
+			/* add another for left over on tail */
+			reserve_early_without_check(common_end, old_end, name);
+		}
+		return;
+	} else {
+		if (old_end > common_end) {
+			/* reuse the entry for tail left */
+			early_res[i].start = common_end;
+			return;
+		}
+		/* all covered */
+		drop_range(i);
+	}
+}
+
+/*
+ * Split any existing ranges that:
+ *  1) are marked 'overlap_ok', and
+ *  2) overlap with the stated range [start, end)
+ * into whatever portion (if any) of the existing range is entirely
+ * below or entirely above the stated range.  Drop the portion
+ * of the existing range that overlaps with the stated range,
+ * which will allow the caller of this routine to then add that
+ * stated range without conflicting with any existing range.
+ */
+static void __init drop_overlaps_that_are_ok(u64 start, u64 end)
+{
+	int i;
+	struct early_res *r;
+	u64 lower_start, lower_end;
+	u64 upper_start, upper_end;
+	char name[15];
+
+	for (i = 0; i < max_early_res && early_res[i].end; i++) {
+		r = &early_res[i];
+
+		/* Continue past non-overlapping ranges */
+		if (end <= r->start || start >= r->end)
+			continue;
+
+		/*
+		 * Leave non-ok overlaps as is; let caller
+		 * panic "Overlapping early reservations"
+		 * when it hits this overlap.
+		 */
+		if (!r->overlap_ok)
+			return;
+
+		/*
+		 * We have an ok overlap.  We will drop it from the early
+		 * reservation map, and add back in any non-overlapping
+		 * portions (lower or upper) as separate, overlap_ok,
+		 * non-overlapping ranges.
+		 */
+
+		/* 1. Note any non-overlapping (lower or upper) ranges. */
+		strncpy(name, r->name, sizeof(name) - 1);
+
+		lower_start = lower_end = 0;
+		upper_start = upper_end = 0;
+		if (r->start < start) {
+			lower_start = r->start;
+			lower_end = start;
+		}
+		if (r->end > end) {
+			upper_start = end;
+			upper_end = r->end;
+		}
+
+		/* 2. Drop the original ok overlapping range */
+		drop_range(i);
+
+		i--;		/* resume for-loop on copied down entry */
+
+		/* 3. Add back in any non-overlapping ranges. */
+		if (lower_end)
+			reserve_early_overlap_ok(lower_start, lower_end, name);
+		if (upper_end)
+			reserve_early_overlap_ok(upper_start, upper_end, name);
+	}
+}
+
+static void __init __reserve_early(u64 start, u64 end, char *name,
+						int overlap_ok)
+{
+	int i;
+	struct early_res *r;
+
+	i = find_overlapped_early(start, end);
+	if (i >= max_early_res)
+		panic("Too many early reservations");
+	r = &early_res[i];
+	if (r->end)
+		panic("Overlapping early reservations "
+		      "%llx-%llx %s to %llx-%llx %s\n",
+		      start, end - 1, name ? name : "", r->start,
+		      r->end - 1, r->name);
+	r->start = start;
+	r->end = end;
+	r->overlap_ok = overlap_ok;
+	if (name)
+		strncpy(r->name, name, sizeof(r->name) - 1);
+	early_res_count++;
+}
+
+/*
+ * A few early reservtations come here.
+ *
+ * The 'overlap_ok' in the name of this routine does -not- mean it
+ * is ok for these reservations to overlap an earlier reservation.
+ * Rather it means that it is ok for subsequent reservations to
+ * overlap this one.
+ *
+ * Use this entry point to reserve early ranges when you are doing
+ * so out of "Paranoia", reserving perhaps more memory than you need,
+ * just in case, and don't mind a subsequent overlapping reservation
+ * that is known to be needed.
+ *
+ * The drop_overlaps_that_are_ok() call here isn't really needed.
+ * It would be needed if we had two colliding 'overlap_ok'
+ * reservations, so that the second such would not panic on the
+ * overlap with the first.  We don't have any such as of this
+ * writing, but might as well tolerate such if it happens in
+ * the future.
+ */
+void __init reserve_early_overlap_ok(u64 start, u64 end, char *name)
+{
+	drop_overlaps_that_are_ok(start, end);
+	__reserve_early(start, end, name, 1);
+}
+
+static void __init __check_and_double_early_res(u64 ex_start, u64 ex_end)
+{
+	u64 start, end, size, mem;
+	struct early_res *new;
+
+	/* do we have enough slots left ? */
+	if ((max_early_res - early_res_count) > max(max_early_res/8, 2))
+		return;
+
+	/* double it */
+	mem = -1ULL;
+	size = sizeof(struct early_res) * max_early_res * 2;
+	if (early_res == early_res_x)
+		start = 0;
+	else
+		start = early_res[0].end;
+	end = ex_start;
+	if (start + size < end)
+		mem = find_fw_memmap_area(start, end, size,
+					 sizeof(struct early_res));
+	if (mem == -1ULL) {
+		start = ex_end;
+		end = get_max_mapped();
+		if (start + size < end)
+			mem = find_fw_memmap_area(start, end, size,
+						 sizeof(struct early_res));
+	}
+	if (mem == -1ULL)
+		panic("can not find more space for early_res array");
+
+	new = __va(mem);
+	/* save the first one for own */
+	new[0].start = mem;
+	new[0].end = mem + size;
+	new[0].overlap_ok = 0;
+	/* copy old to new */
+	if (early_res == early_res_x) {
+		memcpy(&new[1], &early_res[0],
+			 sizeof(struct early_res) * max_early_res);
+		memset(&new[max_early_res+1], 0,
+			 sizeof(struct early_res) * (max_early_res - 1));
+		early_res_count++;
+	} else {
+		memcpy(&new[1], &early_res[1],
+			 sizeof(struct early_res) * (max_early_res - 1));
+		memset(&new[max_early_res], 0,
+			 sizeof(struct early_res) * max_early_res);
+	}
+	memset(&early_res[0], 0, sizeof(struct early_res) * max_early_res);
+	early_res = new;
+	max_early_res *= 2;
+	printk(KERN_DEBUG "early_res array is doubled to %d at [%llx - %llx]\n",
+		max_early_res, mem, mem + size - 1);
+}
+
+/*
+ * Most early reservations come here.
+ *
+ * We first have drop_overlaps_that_are_ok() drop any pre-existing
+ * 'overlap_ok' ranges, so that we can then reserve this memory
+ * range without risk of panic'ing on an overlapping overlap_ok
+ * early reservation.
+ */
+void __init reserve_early(u64 start, u64 end, char *name)
+{
+	if (start >= end)
+		return;
+
+	__check_and_double_early_res(start, end);
+
+	drop_overlaps_that_are_ok(start, end);
+	__reserve_early(start, end, name, 0);
+}
+
+void __init reserve_early_without_check(u64 start, u64 end, char *name)
+{
+	struct early_res *r;
+
+	if (start >= end)
+		return;
+
+	__check_and_double_early_res(start, end);
+
+	r = &early_res[early_res_count];
+
+	r->start = start;
+	r->end = end;
+	r->overlap_ok = 0;
+	if (name)
+		strncpy(r->name, name, sizeof(r->name) - 1);
+	early_res_count++;
+}
+
+void __init free_early(u64 start, u64 end)
+{
+	struct early_res *r;
+	int i;
+
+	i = find_overlapped_early(start, end);
+	r = &early_res[i];
+	if (i >= max_early_res || r->end != end || r->start != start)
+		panic("free_early on not reserved area: %llx-%llx!",
+			 start, end - 1);
+
+	drop_range(i);
+}
+
+void __init free_early_partial(u64 start, u64 end)
+{
+	struct early_res *r;
+	int i;
+
+	if (start == end)
+		return;
+
+	if (WARN_ONCE(start > end, "  wrong range [%#llx, %#llx]\n", start, end))
+		return;
+
+try_next:
+	i = find_overlapped_early(start, end);
+	if (i >= max_early_res)
+		return;
+
+	r = &early_res[i];
+	/* hole ? */
+	if (r->end >= end && r->start <= start) {
+		drop_range_partial(i, start, end);
+		return;
+	}
+
+	drop_range_partial(i, start, end);
+	goto try_next;
+}
+
+#ifdef CONFIG_NO_BOOTMEM
+static void __init subtract_early_res(struct range *range, int az)
+{
+	int i, count;
+	u64 final_start, final_end;
+	int idx = 0;
+
+	count  = 0;
+	for (i = 0; i < max_early_res && early_res[i].end; i++)
+		count++;
+
+	/* need to skip first one ?*/
+	if (early_res != early_res_x)
+		idx = 1;
+
+#define DEBUG_PRINT_EARLY_RES 1
+
+#if DEBUG_PRINT_EARLY_RES
+	printk(KERN_INFO "Subtract (%d early reservations)\n", count);
+#endif
+	for (i = idx; i < count; i++) {
+		struct early_res *r = &early_res[i];
+#if DEBUG_PRINT_EARLY_RES
+		printk(KERN_INFO "  #%d [%010llx - %010llx] %15s\n", i,
+			r->start, r->end, r->name);
+#endif
+		final_start = PFN_DOWN(r->start);
+		final_end = PFN_UP(r->end);
+		if (final_start >= final_end)
+			continue;
+		subtract_range(range, az, final_start, final_end);
+	}
+
+}
+
+int __init get_free_all_memory_range(struct range **rangep, int nodeid)
+{
+	int i, count;
+	u64 start = 0, end;
+	u64 size;
+	u64 mem;
+	struct range *range;
+	int nr_range;
+
+	count  = 0;
+	for (i = 0; i < max_early_res && early_res[i].end; i++)
+		count++;
+
+	count *= 2;
+
+	size = sizeof(struct range) * count;
+	end = get_max_mapped();
+#ifdef MAX_DMA32_PFN
+	if (end > (MAX_DMA32_PFN << PAGE_SHIFT))
+		start = MAX_DMA32_PFN << PAGE_SHIFT;
+#endif
+	mem = find_fw_memmap_area(start, end, size, sizeof(struct range));
+	if (mem == -1ULL)
+		panic("can not find more space for range free");
+
+	range = __va(mem);
+	/* use early_node_map[] and early_res to get range array at first */
+	memset(range, 0, size);
+	nr_range = 0;
+
+	/* need to go over early_node_map to find out good range for node */
+	nr_range = add_from_early_node_map(range, count, nr_range, nodeid);
+#ifdef CONFIG_X86_32
+	subtract_range(range, count, max_low_pfn, -1ULL);
+#endif
+	subtract_early_res(range, count);
+	nr_range = clean_sort_range(range, count);
+
+	/* need to clear it ? */
+	if (nodeid == MAX_NUMNODES) {
+		memset(&early_res[0], 0,
+			 sizeof(struct early_res) * max_early_res);
+		early_res = NULL;
+		max_early_res = 0;
+	}
+
+	*rangep = range;
+	return nr_range;
+}
+#else
+void __init early_res_to_bootmem(u64 start, u64 end)
+{
+	int i, count;
+	u64 final_start, final_end;
+	int idx = 0;
+
+	count  = 0;
+	for (i = 0; i < max_early_res && early_res[i].end; i++)
+		count++;
+
+	/* need to skip first one ?*/
+	if (early_res != early_res_x)
+		idx = 1;
+
+	printk(KERN_INFO "(%d/%d early reservations) ==> bootmem [%010llx - %010llx]\n",
+			 count - idx, max_early_res, start, end);
+	for (i = idx; i < count; i++) {
+		struct early_res *r = &early_res[i];
+		printk(KERN_INFO "  #%d [%010llx - %010llx] %16s", i,
+			r->start, r->end, r->name);
+		final_start = max(start, r->start);
+		final_end = min(end, r->end);
+		if (final_start >= final_end) {
+			printk(KERN_CONT "\n");
+			continue;
+		}
+		printk(KERN_CONT " ==> [%010llx - %010llx]\n",
+			final_start, final_end);
+		reserve_bootmem_generic(final_start, final_end - final_start,
+				BOOTMEM_DEFAULT);
+	}
+	/* clear them */
+	memset(&early_res[0], 0, sizeof(struct early_res) * max_early_res);
+	early_res = NULL;
+	max_early_res = 0;
+	early_res_count = 0;
+}
+#endif
+
+/* Check for already reserved areas */
+static inline int __init bad_addr(u64 *addrp, u64 size, u64 align)
+{
+	int i;
+	u64 addr = *addrp;
+	int changed = 0;
+	struct early_res *r;
+again:
+	i = find_overlapped_early(addr, addr + size);
+	r = &early_res[i];
+	if (i < max_early_res && r->end) {
+		*addrp = addr = round_up(r->end, align);
+		changed = 1;
+		goto again;
+	}
+	return changed;
+}
+
+/* Check for already reserved areas */
+static inline int __init bad_addr_size(u64 *addrp, u64 *sizep, u64 align)
+{
+	int i;
+	u64 addr = *addrp, last;
+	u64 size = *sizep;
+	int changed = 0;
+again:
+	last = addr + size;
+	for (i = 0; i < max_early_res && early_res[i].end; i++) {
+		struct early_res *r = &early_res[i];
+		if (last > r->start && addr < r->start) {
+			size = r->start - addr;
+			changed = 1;
+			goto again;
+		}
+		if (last > r->end && addr < r->end) {
+			addr = round_up(r->end, align);
+			size = last - addr;
+			changed = 1;
+			goto again;
+		}
+		if (last <= r->end && addr >= r->start) {
+			(*sizep)++;
+			return 0;
+		}
+	}
+	if (changed) {
+		*addrp = addr;
+		*sizep = size;
+	}
+	return changed;
+}
+
+/*
+ * Find a free area with specified alignment in a specific range.
+ * only with the area.between start to end is active range from early_node_map
+ * so they are good as RAM
+ */
+u64 __init find_early_area(u64 ei_start, u64 ei_last, u64 start, u64 end,
+			 u64 size, u64 align)
+{
+	u64 addr, last;
+
+	addr = round_up(ei_start, align);
+	if (addr < start)
+		addr = round_up(start, align);
+	if (addr >= ei_last)
+		goto out;
+	while (bad_addr(&addr, size, align) && addr+size <= ei_last)
+		;
+	last = addr + size;
+	if (last > ei_last)
+		goto out;
+	if (last > end)
+		goto out;
+
+	return addr;
+
+out:
+	return -1ULL;
+}
+
+u64 __init find_early_area_size(u64 ei_start, u64 ei_last, u64 start,
+			 u64 *sizep, u64 align)
+{
+	u64 addr, last;
+
+	addr = round_up(ei_start, align);
+	if (addr < start)
+		addr = round_up(start, align);
+	if (addr >= ei_last)
+		goto out;
+	*sizep = ei_last - addr;
+	while (bad_addr_size(&addr, sizep, align) && addr + *sizep <= ei_last)
+		;
+	last = addr + *sizep;
+	if (last > ei_last)
+		goto out;
+
+	return addr;
+
+out:
+	return -1ULL;
+}
diff --git a/kernel/elfcore.c b/kernel/elfcore.c
new file mode 100644
index 000000000000..ff915efef66d
--- /dev/null
+++ b/kernel/elfcore.c
@@ -0,0 +1,28 @@
+#include <linux/elf.h>
+#include <linux/fs.h>
+#include <linux/mm.h>
+
+#include <asm/elf.h>
+
+
+Elf_Half __weak elf_core_extra_phdrs(void)
+{
+	return 0;
+}
+
+int __weak elf_core_write_extra_phdrs(struct file *file, loff_t offset, size_t *size,
+				      unsigned long limit)
+{
+	return 1;
+}
+
+int __weak elf_core_write_extra_data(struct file *file, size_t *size,
+				     unsigned long limit)
+{
+	return 1;
+}
+
+size_t __weak elf_core_extra_data_size(void)
+{
+	return 0;
+}
diff --git a/kernel/exit.c b/kernel/exit.c
index 45ed043b8bf5..cce59cb5ee6a 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -87,7 +87,7 @@ static void __exit_signal(struct task_struct *tsk)
 
 	sighand = rcu_dereference_check(tsk->sighand,
 					rcu_read_lock_held() ||
-					lockdep_is_held(&tasklist_lock));
+					lockdep_tasklist_lock_is_held());
 	spin_lock(&sighand->siglock);
 
 	posix_cpu_timers_exit(tsk);
@@ -952,7 +952,8 @@ NORET_TYPE void do_exit(long code)
 				preempt_count());
 
 	acct_update_integrals(tsk);
-
+	/* sync mm's RSS info before statistics gathering */
+	sync_mm_rss(tsk, tsk->mm);
 	group_dead = atomic_dec_and_test(&tsk->signal->live);
 	if (group_dead) {
 		hrtimer_cancel(&tsk->signal->real_timer);
@@ -1188,7 +1189,7 @@ static int wait_task_zombie(struct wait_opts *wo, struct task_struct *p)
 
 	if (unlikely(wo->wo_flags & WNOWAIT)) {
 		int exit_code = p->exit_code;
-		int why, status;
+		int why;
 
 		get_task_struct(p);
 		read_unlock(&tasklist_lock);
diff --git a/kernel/fork.c b/kernel/fork.c
index 17bbf093356d..4799c5f0e6d0 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -86,7 +86,14 @@ int max_threads;		/* tunable limit on nr_threads */
 DEFINE_PER_CPU(unsigned long, process_counts) = 0;
 
 __cacheline_aligned DEFINE_RWLOCK(tasklist_lock);  /* outer */
-EXPORT_SYMBOL_GPL(tasklist_lock);
+
+#ifdef CONFIG_PROVE_RCU
+int lockdep_tasklist_lock_is_held(void)
+{
+	return lockdep_is_held(&tasklist_lock);
+}
+EXPORT_SYMBOL_GPL(lockdep_tasklist_lock_is_held);
+#endif /* #ifdef CONFIG_PROVE_RCU */
 
 int nr_processes(void)
 {
@@ -329,15 +336,17 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
 		if (!tmp)
 			goto fail_nomem;
 		*tmp = *mpnt;
+		INIT_LIST_HEAD(&tmp->anon_vma_chain);
 		pol = mpol_dup(vma_policy(mpnt));
 		retval = PTR_ERR(pol);
 		if (IS_ERR(pol))
 			goto fail_nomem_policy;
 		vma_set_policy(tmp, pol);
+		if (anon_vma_fork(tmp, mpnt))
+			goto fail_nomem_anon_vma_fork;
 		tmp->vm_flags &= ~VM_LOCKED;
 		tmp->vm_mm = mm;
 		tmp->vm_next = NULL;
-		anon_vma_link(tmp);
 		file = tmp->vm_file;
 		if (file) {
 			struct inode *inode = file->f_path.dentry->d_inode;
@@ -392,6 +401,8 @@ out:
 	flush_tlb_mm(oldmm);
 	up_write(&oldmm->mmap_sem);
 	return retval;
+fail_nomem_anon_vma_fork:
+	mpol_put(pol);
 fail_nomem_policy:
 	kmem_cache_free(vm_area_cachep, tmp);
 fail_nomem:
@@ -455,8 +466,7 @@ static struct mm_struct * mm_init(struct mm_struct * mm, struct task_struct *p)
 		(current->mm->flags & MMF_INIT_MASK) : default_dump_filter;
 	mm->core_state = NULL;
 	mm->nr_ptes = 0;
-	set_mm_counter(mm, file_rss, 0);
-	set_mm_counter(mm, anon_rss, 0);
+	memset(&mm->rss_stat, 0, sizeof(mm->rss_stat));
 	spin_lock_init(&mm->page_table_lock);
 	mm->free_area_cache = TASK_UNMAPPED_BASE;
 	mm->cached_hole_size = ~0UL;
@@ -825,23 +835,14 @@ void __cleanup_sighand(struct sighand_struct *sighand)
  */
 static void posix_cpu_timers_init_group(struct signal_struct *sig)
 {
+	unsigned long cpu_limit;
+
 	/* Thread group counters. */
 	thread_group_cputime_init(sig);
 
-	/* Expiration times and increments. */
-	sig->it[CPUCLOCK_PROF].expires = cputime_zero;
-	sig->it[CPUCLOCK_PROF].incr = cputime_zero;
-	sig->it[CPUCLOCK_VIRT].expires = cputime_zero;
-	sig->it[CPUCLOCK_VIRT].incr = cputime_zero;
-
-	/* Cached expiration times. */
-	sig->cputime_expires.prof_exp = cputime_zero;
-	sig->cputime_expires.virt_exp = cputime_zero;
-	sig->cputime_expires.sched_exp = 0;
-
-	if (sig->rlim[RLIMIT_CPU].rlim_cur != RLIM_INFINITY) {
-		sig->cputime_expires.prof_exp =
-			secs_to_cputime(sig->rlim[RLIMIT_CPU].rlim_cur);
+	cpu_limit = ACCESS_ONCE(sig->rlim[RLIMIT_CPU].rlim_cur);
+	if (cpu_limit != RLIM_INFINITY) {
+		sig->cputime_expires.prof_exp = secs_to_cputime(cpu_limit);
 		sig->cputimer.running = 1;
 	}
 
@@ -858,7 +859,7 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 	if (clone_flags & CLONE_THREAD)
 		return 0;
 
-	sig = kmem_cache_alloc(signal_cachep, GFP_KERNEL);
+	sig = kmem_cache_zalloc(signal_cachep, GFP_KERNEL);
 	tsk->signal = sig;
 	if (!sig)
 		return -ENOMEM;
@@ -866,46 +867,21 @@ static int copy_signal(unsigned long clone_flags, struct task_struct *tsk)
 	atomic_set(&sig->count, 1);
 	atomic_set(&sig->live, 1);
 	init_waitqueue_head(&sig->wait_chldexit);
-	sig->flags = 0;
 	if (clone_flags & CLONE_NEWPID)
 		sig->flags |= SIGNAL_UNKILLABLE;
-	sig->group_exit_code = 0;
-	sig->group_exit_task = NULL;
-	sig->group_stop_count = 0;
 	sig->curr_target = tsk;
 	init_sigpending(&sig->shared_pending);
 	INIT_LIST_HEAD(&sig->posix_timers);
 
 	hrtimer_init(&sig->real_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
-	sig->it_real_incr.tv64 = 0;
 	sig->real_timer.function = it_real_fn;
 
-	sig->leader = 0;	/* session leadership doesn't inherit */
-	sig->tty_old_pgrp = NULL;
-	sig->tty = NULL;
-
-	sig->utime = sig->stime = sig->cutime = sig->cstime = cputime_zero;
-	sig->gtime = cputime_zero;
-	sig->cgtime = cputime_zero;
-#ifndef CONFIG_VIRT_CPU_ACCOUNTING
-	sig->prev_utime = sig->prev_stime = cputime_zero;
-#endif
-	sig->nvcsw = sig->nivcsw = sig->cnvcsw = sig->cnivcsw = 0;
-	sig->min_flt = sig->maj_flt = sig->cmin_flt = sig->cmaj_flt = 0;
-	sig->inblock = sig->oublock = sig->cinblock = sig->coublock = 0;
-	sig->maxrss = sig->cmaxrss = 0;
-	task_io_accounting_init(&sig->ioac);
-	sig->sum_sched_runtime = 0;
-	taskstats_tgid_init(sig);
-
 	task_lock(current->group_leader);
 	memcpy(sig->rlim, current->signal->rlim, sizeof sig->rlim);
 	task_unlock(current->group_leader);
 
 	posix_cpu_timers_init_group(sig);
 
-	acct_init_pacct(&sig->pacct);
-
 	tty_audit_fork(sig);
 
 	sig->oom_adj = current->signal->oom_adj;
@@ -1034,7 +1010,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 #endif
 	retval = -EAGAIN;
 	if (atomic_read(&p->real_cred->user->processes) >=
-			p->signal->rlim[RLIMIT_NPROC].rlim_cur) {
+			task_rlimit(p, RLIMIT_NPROC)) {
 		if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) &&
 		    p->real_cred->user != INIT_USER)
 			goto bad_fork_free;
diff --git a/kernel/hw_breakpoint.c b/kernel/hw_breakpoint.c
index 967e66143e11..03808ed342a6 100644
--- a/kernel/hw_breakpoint.c
+++ b/kernel/hw_breakpoint.c
@@ -413,17 +413,17 @@ EXPORT_SYMBOL_GPL(unregister_hw_breakpoint);
  *
  * @return a set of per_cpu pointers to perf events
  */
-struct perf_event **
+struct perf_event * __percpu *
 register_wide_hw_breakpoint(struct perf_event_attr *attr,
 			    perf_overflow_handler_t triggered)
 {
-	struct perf_event **cpu_events, **pevent, *bp;
+	struct perf_event * __percpu *cpu_events, **pevent, *bp;
 	long err;
 	int cpu;
 
 	cpu_events = alloc_percpu(typeof(*cpu_events));
 	if (!cpu_events)
-		return ERR_PTR(-ENOMEM);
+		return (void __percpu __force *)ERR_PTR(-ENOMEM);
 
 	get_online_cpus();
 	for_each_online_cpu(cpu) {
@@ -451,7 +451,7 @@ fail:
 	put_online_cpus();
 
 	free_percpu(cpu_events);
-	return ERR_PTR(err);
+	return (void __percpu __force *)ERR_PTR(err);
 }
 EXPORT_SYMBOL_GPL(register_wide_hw_breakpoint);
 
@@ -459,7 +459,7 @@ EXPORT_SYMBOL_GPL(register_wide_hw_breakpoint);
  * unregister_wide_hw_breakpoint - unregister a wide breakpoint in the kernel
  * @cpu_events: the per cpu set of events to unregister
  */
-void unregister_wide_hw_breakpoint(struct perf_event **cpu_events)
+void unregister_wide_hw_breakpoint(struct perf_event * __percpu *cpu_events)
 {
 	int cpu;
 	struct perf_event **pevent;
@@ -489,5 +489,4 @@ struct pmu perf_ops_bp = {
 	.enable		= arch_install_hw_breakpoint,
 	.disable	= arch_uninstall_hw_breakpoint,
 	.read		= hw_breakpoint_pmu_read,
-	.unthrottle	= hw_breakpoint_pmu_unthrottle
 };
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index ecc3fa28f666..b7091d5ca2f8 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -18,11 +18,7 @@
 
 #include "internals.h"
 
-/**
- *	dynamic_irq_init - initialize a dynamically allocated irq
- *	@irq:	irq number to initialize
- */
-void dynamic_irq_init(unsigned int irq)
+static void dynamic_irq_init_x(unsigned int irq, bool keep_chip_data)
 {
 	struct irq_desc *desc;
 	unsigned long flags;
@@ -41,7 +37,8 @@ void dynamic_irq_init(unsigned int irq)
 	desc->depth = 1;
 	desc->msi_desc = NULL;
 	desc->handler_data = NULL;
-	desc->chip_data = NULL;
+	if (!keep_chip_data)
+		desc->chip_data = NULL;
 	desc->action = NULL;
 	desc->irq_count = 0;
 	desc->irqs_unhandled = 0;
@@ -55,10 +52,26 @@ void dynamic_irq_init(unsigned int irq)
 }
 
 /**
- *	dynamic_irq_cleanup - cleanup a dynamically allocated irq
+ *	dynamic_irq_init - initialize a dynamically allocated irq
  *	@irq:	irq number to initialize
  */
-void dynamic_irq_cleanup(unsigned int irq)
+void dynamic_irq_init(unsigned int irq)
+{
+	dynamic_irq_init_x(irq, false);
+}
+
+/**
+ *	dynamic_irq_init_keep_chip_data - initialize a dynamically allocated irq
+ *	@irq:	irq number to initialize
+ *
+ *	does not set irq_to_desc(irq)->chip_data to NULL
+ */
+void dynamic_irq_init_keep_chip_data(unsigned int irq)
+{
+	dynamic_irq_init_x(irq, true);
+}
+
+static void dynamic_irq_cleanup_x(unsigned int irq, bool keep_chip_data)
 {
 	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
@@ -77,7 +90,8 @@ void dynamic_irq_cleanup(unsigned int irq)
 	}
 	desc->msi_desc = NULL;
 	desc->handler_data = NULL;
-	desc->chip_data = NULL;
+	if (!keep_chip_data)
+		desc->chip_data = NULL;
 	desc->handle_irq = handle_bad_irq;
 	desc->chip = &no_irq_chip;
 	desc->name = NULL;
@@ -85,6 +99,26 @@ void dynamic_irq_cleanup(unsigned int irq)
 	raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
 
+/**
+ *	dynamic_irq_cleanup - cleanup a dynamically allocated irq
+ *	@irq:	irq number to initialize
+ */
+void dynamic_irq_cleanup(unsigned int irq)
+{
+	dynamic_irq_cleanup_x(irq, false);
+}
+
+/**
+ *	dynamic_irq_cleanup_keep_chip_data - cleanup a dynamically allocated irq
+ *	@irq:	irq number to initialize
+ *
+ *	does not set irq_to_desc(irq)->chip_data to NULL
+ */
+void dynamic_irq_cleanup_keep_chip_data(unsigned int irq)
+{
+	dynamic_irq_cleanup_x(irq, true);
+}
+
 
 /**
  *	set_irq_chip - set the irq chip for an irq
@@ -325,6 +359,23 @@ static inline void mask_ack_irq(struct irq_desc *desc, int irq)
 		if (desc->chip->ack)
 			desc->chip->ack(irq);
 	}
+	desc->status |= IRQ_MASKED;
+}
+
+static inline void mask_irq(struct irq_desc *desc, int irq)
+{
+	if (desc->chip->mask) {
+		desc->chip->mask(irq);
+		desc->status |= IRQ_MASKED;
+	}
+}
+
+static inline void unmask_irq(struct irq_desc *desc, int irq)
+{
+	if (desc->chip->unmask) {
+		desc->chip->unmask(irq);
+		desc->status &= ~IRQ_MASKED;
+	}
 }
 
 /*
@@ -450,10 +501,8 @@ handle_level_irq(unsigned int irq, struct irq_desc *desc)
 	raw_spin_lock(&desc->lock);
 	desc->status &= ~IRQ_INPROGRESS;
 
-	if (unlikely(desc->status & IRQ_ONESHOT))
-		desc->status |= IRQ_MASKED;
-	else if (!(desc->status & IRQ_DISABLED) && desc->chip->unmask)
-		desc->chip->unmask(irq);
+	if (!(desc->status & (IRQ_DISABLED | IRQ_ONESHOT)))
+		unmask_irq(desc, irq);
 out_unlock:
 	raw_spin_unlock(&desc->lock);
 }
@@ -490,8 +539,7 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
 	action = desc->action;
 	if (unlikely(!action || (desc->status & IRQ_DISABLED))) {
 		desc->status |= IRQ_PENDING;
-		if (desc->chip->mask)
-			desc->chip->mask(irq);
+		mask_irq(desc, irq);
 		goto out;
 	}
 
@@ -520,7 +568,7 @@ out:
  *	signal. The occurence is latched into the irq controller hardware
  *	and must be acked in order to be reenabled. After the ack another
  *	interrupt can happen on the same source even before the first one
- *	is handled by the assosiacted event handler. If this happens it
+ *	is handled by the associated event handler. If this happens it
  *	might be necessary to disable (mask) the interrupt depending on the
  *	controller hardware. This requires to reenable the interrupt inside
  *	of the loop which handles the interrupts which have arrived while
@@ -559,7 +607,7 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
 		irqreturn_t action_ret;
 
 		if (unlikely(!action)) {
-			desc->chip->mask(irq);
+			mask_irq(desc, irq);
 			goto out_unlock;
 		}
 
@@ -571,8 +619,7 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc)
 		if (unlikely((desc->status &
 			       (IRQ_PENDING | IRQ_MASKED | IRQ_DISABLED)) ==
 			      (IRQ_PENDING | IRQ_MASKED))) {
-			desc->chip->unmask(irq);
-			desc->status &= ~IRQ_MASKED;
+			unmask_irq(desc, irq);
 		}
 
 		desc->status &= ~IRQ_PENDING;
@@ -682,7 +729,7 @@ set_irq_chip_and_handler_name(unsigned int irq, struct irq_chip *chip,
 	__set_irq_handler(irq, handle, 0, name);
 }
 
-void __init set_irq_noprobe(unsigned int irq)
+void set_irq_noprobe(unsigned int irq)
 {
 	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
@@ -697,7 +744,7 @@ void __init set_irq_noprobe(unsigned int irq)
 	raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
 
-void __init set_irq_probe(unsigned int irq)
+void set_irq_probe(unsigned int irq)
 {
 	struct irq_desc *desc = irq_to_desc(irq);
 	unsigned long flags;
diff --git a/kernel/irq/devres.c b/kernel/irq/devres.c
index d06df9c41cba..1ef4ffcdfa55 100644
--- a/kernel/irq/devres.c
+++ b/kernel/irq/devres.c
@@ -42,7 +42,7 @@ static int devm_irq_match(struct device *dev, void *res, void *data)
  *	automatically freed on driver detach.
  *
  *	If an IRQ allocated with this function needs to be freed
- *	separately, dev_free_irq() must be used.
+ *	separately, devm_free_irq() must be used.
  */
 int devm_request_threaded_irq(struct device *dev, unsigned int irq,
 			      irq_handler_t handler, irq_handler_t thread_fn,
@@ -81,7 +81,7 @@ EXPORT_SYMBOL(devm_request_threaded_irq);
  *	Except for the extra @dev argument, this function takes the
  *	same arguments and performs the same function as free_irq().
  *	This function instead of free_irq() should be used to manually
- *	free IRQs allocated with dev_request_irq().
+ *	free IRQs allocated with devm_request_irq().
  */
 void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id)
 {
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 814940e7f485..76d5a671bfe1 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -19,7 +19,7 @@
 #include <linux/kernel_stat.h>
 #include <linux/rculist.h>
 #include <linux/hash.h>
-#include <linux/bootmem.h>
+#include <linux/radix-tree.h>
 #include <trace/events/irq.h>
 
 #include "internals.h"
@@ -87,12 +87,8 @@ void __ref init_kstat_irqs(struct irq_desc *desc, int node, int nr)
 {
 	void *ptr;
 
-	if (slab_is_available())
-		ptr = kzalloc_node(nr * sizeof(*desc->kstat_irqs),
-				   GFP_ATOMIC, node);
-	else
-		ptr = alloc_bootmem_node(NODE_DATA(node),
-				nr * sizeof(*desc->kstat_irqs));
+	ptr = kzalloc_node(nr * sizeof(*desc->kstat_irqs),
+			   GFP_ATOMIC, node);
 
 	/*
 	 * don't overwite if can not get new one
@@ -132,7 +128,26 @@ static void init_one_irq_desc(int irq, struct irq_desc *desc, int node)
  */
 DEFINE_RAW_SPINLOCK(sparse_irq_lock);
 
-struct irq_desc **irq_desc_ptrs __read_mostly;
+static RADIX_TREE(irq_desc_tree, GFP_ATOMIC);
+
+static void set_irq_desc(unsigned int irq, struct irq_desc *desc)
+{
+	radix_tree_insert(&irq_desc_tree, irq, desc);
+}
+
+struct irq_desc *irq_to_desc(unsigned int irq)
+{
+	return radix_tree_lookup(&irq_desc_tree, irq);
+}
+
+void replace_irq_desc(unsigned int irq, struct irq_desc *desc)
+{
+	void **ptr;
+
+	ptr = radix_tree_lookup_slot(&irq_desc_tree, irq);
+	if (ptr)
+		radix_tree_replace_slot(ptr, desc);
+}
 
 static struct irq_desc irq_desc_legacy[NR_IRQS_LEGACY] __cacheline_aligned_in_smp = {
 	[0 ... NR_IRQS_LEGACY-1] = {
@@ -164,9 +179,6 @@ int __init early_irq_init(void)
 	legacy_count = ARRAY_SIZE(irq_desc_legacy);
 	node = first_online_node;
 
-	/* allocate irq_desc_ptrs array based on nr_irqs */
-	irq_desc_ptrs = kcalloc(nr_irqs, sizeof(void *), GFP_NOWAIT);
-
 	/* allocate based on nr_cpu_ids */
 	kstat_irqs_legacy = kzalloc_node(NR_IRQS_LEGACY * nr_cpu_ids *
 					  sizeof(int), GFP_NOWAIT, node);
@@ -180,23 +192,12 @@ int __init early_irq_init(void)
 		lockdep_set_class(&desc[i].lock, &irq_desc_lock_class);
 		alloc_desc_masks(&desc[i], node, true);
 		init_desc_masks(&desc[i]);
-		irq_desc_ptrs[i] = desc + i;
+		set_irq_desc(i, &desc[i]);
 	}
 
-	for (i = legacy_count; i < nr_irqs; i++)
-		irq_desc_ptrs[i] = NULL;
-
 	return arch_early_irq_init();
 }
 
-struct irq_desc *irq_to_desc(unsigned int irq)
-{
-	if (irq_desc_ptrs && irq < nr_irqs)
-		return irq_desc_ptrs[irq];
-
-	return NULL;
-}
-
 struct irq_desc * __ref irq_to_desc_alloc_node(unsigned int irq, int node)
 {
 	struct irq_desc *desc;
@@ -208,21 +209,18 @@ struct irq_desc * __ref irq_to_desc_alloc_node(unsigned int irq, int node)
 		return NULL;
 	}
 
-	desc = irq_desc_ptrs[irq];
+	desc = irq_to_desc(irq);
 	if (desc)
 		return desc;
 
 	raw_spin_lock_irqsave(&sparse_irq_lock, flags);
 
 	/* We have to check it to avoid races with another CPU */
-	desc = irq_desc_ptrs[irq];
+	desc = irq_to_desc(irq);
 	if (desc)
 		goto out_unlock;
 
-	if (slab_is_available())
-		desc = kzalloc_node(sizeof(*desc), GFP_ATOMIC, node);
-	else
-		desc = alloc_bootmem_node(NODE_DATA(node), sizeof(*desc));
+	desc = kzalloc_node(sizeof(*desc), GFP_ATOMIC, node);
 
 	printk(KERN_DEBUG "  alloc irq_desc for %d on node %d\n", irq, node);
 	if (!desc) {
@@ -231,7 +229,7 @@ struct irq_desc * __ref irq_to_desc_alloc_node(unsigned int irq, int node)
 	}
 	init_one_irq_desc(irq, desc, node);
 
-	irq_desc_ptrs[irq] = desc;
+	set_irq_desc(irq, desc);
 
 out_unlock:
 	raw_spin_unlock_irqrestore(&sparse_irq_lock, flags);
diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index b2821f070a3d..c63f3bc88f0b 100644
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -21,11 +21,7 @@ extern void clear_kstat_irqs(struct irq_desc *desc);
 extern raw_spinlock_t sparse_irq_lock;
 
 #ifdef CONFIG_SPARSE_IRQ
-/* irq_desc_ptrs allocated at boot time */
-extern struct irq_desc **irq_desc_ptrs;
-#else
-/* irq_desc_ptrs is a fixed size array */
-extern struct irq_desc *irq_desc_ptrs[NR_IRQS];
+void replace_irq_desc(unsigned int irq, struct irq_desc *desc);
 #endif
 
 #ifdef CONFIG_PROC_FS
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index eb6078ca60c7..398fda155f6e 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -382,6 +382,7 @@ int can_request_irq(unsigned int irq, unsigned long irqflags)
 {
 	struct irq_desc *desc = irq_to_desc(irq);
 	struct irqaction *action;
+	unsigned long flags;
 
 	if (!desc)
 		return 0;
@@ -389,11 +390,14 @@ int can_request_irq(unsigned int irq, unsigned long irqflags)
 	if (desc->status & IRQ_NOREQUEST)
 		return 0;
 
+	raw_spin_lock_irqsave(&desc->lock, flags);
 	action = desc->action;
 	if (action)
 		if (irqflags & action->flags & IRQF_SHARED)
 			action = NULL;
 
+	raw_spin_unlock_irqrestore(&desc->lock, flags);
+
 	return !action;
 }
 
@@ -483,8 +487,26 @@ static int irq_wait_for_interrupt(struct irqaction *action)
  */
 static void irq_finalize_oneshot(unsigned int irq, struct irq_desc *desc)
 {
+again:
 	chip_bus_lock(irq, desc);
 	raw_spin_lock_irq(&desc->lock);
+
+	/*
+	 * Implausible though it may be we need to protect us against
+	 * the following scenario:
+	 *
+	 * The thread is faster done than the hard interrupt handler
+	 * on the other CPU. If we unmask the irq line then the
+	 * interrupt can come in again and masks the line, leaves due
+	 * to IRQ_INPROGRESS and the irq line is masked forever.
+	 */
+	if (unlikely(desc->status & IRQ_INPROGRESS)) {
+		raw_spin_unlock_irq(&desc->lock);
+		chip_bus_sync_unlock(irq, desc);
+		cpu_relax();
+		goto again;
+	}
+
 	if (!(desc->status & IRQ_DISABLED) && (desc->status & IRQ_MASKED)) {
 		desc->status &= ~IRQ_MASKED;
 		desc->chip->unmask(irq);
diff --git a/kernel/irq/numa_migrate.c b/kernel/irq/numa_migrate.c
index 26bac9d8f860..963559dbd858 100644
--- a/kernel/irq/numa_migrate.c
+++ b/kernel/irq/numa_migrate.c
@@ -70,7 +70,7 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
 	raw_spin_lock_irqsave(&sparse_irq_lock, flags);
 
 	/* We have to check it to avoid races with another CPU */
-	desc = irq_desc_ptrs[irq];
+	desc = irq_to_desc(irq);
 
 	if (desc && old_desc != desc)
 		goto out_unlock;
@@ -90,7 +90,7 @@ static struct irq_desc *__real_move_irq_desc(struct irq_desc *old_desc,
 		goto out_unlock;
 	}
 
-	irq_desc_ptrs[irq] = desc;
+	replace_irq_desc(irq, desc);
 	raw_spin_unlock_irqrestore(&sparse_irq_lock, flags);
 
 	/* free the old one */
diff --git a/kernel/kexec.c b/kernel/kexec.c
index ef077fb73155..87ebe8adc474 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -41,7 +41,7 @@
 #include <asm/sections.h>
 
 /* Per cpu memory for storing cpu states in case of system crash. */
-note_buf_t* crash_notes;
+note_buf_t __percpu *crash_notes;
 
 /* vmcoreinfo stuff */
 static unsigned char vmcoreinfo_data[VMCOREINFO_BYTES];
diff --git a/kernel/kgdb.c b/kernel/kgdb.c
index 761fdd2b3034..11f3515ca83f 100644
--- a/kernel/kgdb.c
+++ b/kernel/kgdb.c
@@ -69,9 +69,16 @@ struct kgdb_state {
 	struct pt_regs		*linux_regs;
 };
 
+/* Exception state values */
+#define DCPU_WANT_MASTER 0x1 /* Waiting to become a master kgdb cpu */
+#define DCPU_NEXT_MASTER 0x2 /* Transition from one master cpu to another */
+#define DCPU_IS_SLAVE    0x4 /* Slave cpu enter exception */
+#define DCPU_SSTEP       0x8 /* CPU is single stepping */
+
 static struct debuggerinfo_struct {
 	void			*debuggerinfo;
 	struct task_struct	*task;
+	int 			exception_state;
 } kgdb_info[NR_CPUS];
 
 /**
@@ -391,27 +398,22 @@ int kgdb_mem2hex(char *mem, char *buf, int count)
 
 /*
  * Copy the binary array pointed to by buf into mem.  Fix $, #, and
- * 0x7d escaped with 0x7d.  Return a pointer to the character after
- * the last byte written.
+ * 0x7d escaped with 0x7d. Return -EFAULT on failure or 0 on success.
+ * The input buf is overwitten with the result to write to mem.
  */
 static int kgdb_ebin2mem(char *buf, char *mem, int count)
 {
-	int err = 0;
-	char c;
+	int size = 0;
+	char *c = buf;
 
 	while (count-- > 0) {
-		c = *buf++;
-		if (c == 0x7d)
-			c = *buf++ ^ 0x20;
-
-		err = probe_kernel_write(mem, &c, 1);
-		if (err)
-			break;
-
-		mem++;
+		c[size] = *buf++;
+		if (c[size] == 0x7d)
+			c[size] = *buf++ ^ 0x20;
+		size++;
 	}
 
-	return err;
+	return probe_kernel_write(mem, c, size);
 }
 
 /*
@@ -563,49 +565,6 @@ static struct task_struct *getthread(struct pt_regs *regs, int tid)
 }
 
 /*
- * CPU debug state control:
- */
-
-#ifdef CONFIG_SMP
-static void kgdb_wait(struct pt_regs *regs)
-{
-	unsigned long flags;
-	int cpu;
-
-	local_irq_save(flags);
-	cpu = raw_smp_processor_id();
-	kgdb_info[cpu].debuggerinfo = regs;
-	kgdb_info[cpu].task = current;
-	/*
-	 * Make sure the above info reaches the primary CPU before
-	 * our cpu_in_kgdb[] flag setting does:
-	 */
-	smp_wmb();
-	atomic_set(&cpu_in_kgdb[cpu], 1);
-
-	/* Disable any cpu specific hw breakpoints */
-	kgdb_disable_hw_debug(regs);
-
-	/* Wait till primary CPU is done with debugging */
-	while (atomic_read(&passive_cpu_wait[cpu]))
-		cpu_relax();
-
-	kgdb_info[cpu].debuggerinfo = NULL;
-	kgdb_info[cpu].task = NULL;
-
-	/* fix up hardware debug registers on local cpu */
-	if (arch_kgdb_ops.correct_hw_break)
-		arch_kgdb_ops.correct_hw_break();
-
-	/* Signal the primary CPU that we are done: */
-	atomic_set(&cpu_in_kgdb[cpu], 0);
-	touch_softlockup_watchdog_sync();
-	clocksource_touch_watchdog();
-	local_irq_restore(flags);
-}
-#endif
-
-/*
  * Some architectures need cache flushes when we set/clear a
  * breakpoint:
  */
@@ -1400,34 +1359,13 @@ static int kgdb_reenter_check(struct kgdb_state *ks)
 	return 1;
 }
 
-/*
- * kgdb_handle_exception() - main entry point from a kernel exception
- *
- * Locking hierarchy:
- *	interface locks, if any (begin_session)
- *	kgdb lock (kgdb_active)
- */
-int
-kgdb_handle_exception(int evector, int signo, int ecode, struct pt_regs *regs)
+static int kgdb_cpu_enter(struct kgdb_state *ks, struct pt_regs *regs)
 {
-	struct kgdb_state kgdb_var;
-	struct kgdb_state *ks = &kgdb_var;
 	unsigned long flags;
 	int sstep_tries = 100;
 	int error = 0;
 	int i, cpu;
-
-	ks->cpu			= raw_smp_processor_id();
-	ks->ex_vector		= evector;
-	ks->signo		= signo;
-	ks->ex_vector		= evector;
-	ks->err_code		= ecode;
-	ks->kgdb_usethreadid	= 0;
-	ks->linux_regs		= regs;
-
-	if (kgdb_reenter_check(ks))
-		return 0; /* Ouch, double exception ! */
-
+	int trace_on = 0;
 acquirelock:
 	/*
 	 * Interrupts will be restored by the 'trap return' code, except when
@@ -1435,13 +1373,43 @@ acquirelock:
 	 */
 	local_irq_save(flags);
 
-	cpu = raw_smp_processor_id();
+	cpu = ks->cpu;
+	kgdb_info[cpu].debuggerinfo = regs;
+	kgdb_info[cpu].task = current;
+	/*
+	 * Make sure the above info reaches the primary CPU before
+	 * our cpu_in_kgdb[] flag setting does:
+	 */
+	atomic_inc(&cpu_in_kgdb[cpu]);
 
 	/*
-	 * Acquire the kgdb_active lock:
+	 * CPU will loop if it is a slave or request to become a kgdb
+	 * master cpu and acquire the kgdb_active lock:
 	 */
-	while (atomic_cmpxchg(&kgdb_active, -1, cpu) != -1)
+	while (1) {
+		if (kgdb_info[cpu].exception_state & DCPU_WANT_MASTER) {
+			if (atomic_cmpxchg(&kgdb_active, -1, cpu) == cpu)
+				break;
+		} else if (kgdb_info[cpu].exception_state & DCPU_IS_SLAVE) {
+			if (!atomic_read(&passive_cpu_wait[cpu]))
+				goto return_normal;
+		} else {
+return_normal:
+			/* Return to normal operation by executing any
+			 * hw breakpoint fixup.
+			 */
+			if (arch_kgdb_ops.correct_hw_break)
+				arch_kgdb_ops.correct_hw_break();
+			if (trace_on)
+				tracing_on();
+			atomic_dec(&cpu_in_kgdb[cpu]);
+			touch_softlockup_watchdog_sync();
+			clocksource_touch_watchdog();
+			local_irq_restore(flags);
+			return 0;
+		}
 		cpu_relax();
+	}
 
 	/*
 	 * For single stepping, try to only enter on the processor
@@ -1475,9 +1443,6 @@ acquirelock:
 	if (kgdb_io_ops->pre_exception)
 		kgdb_io_ops->pre_exception();
 
-	kgdb_info[ks->cpu].debuggerinfo = ks->linux_regs;
-	kgdb_info[ks->cpu].task = current;
-
 	kgdb_disable_hw_debug(ks->linux_regs);
 
 	/*
@@ -1486,15 +1451,9 @@ acquirelock:
 	 */
 	if (!kgdb_single_step) {
 		for (i = 0; i < NR_CPUS; i++)
-			atomic_set(&passive_cpu_wait[i], 1);
+			atomic_inc(&passive_cpu_wait[i]);
 	}
 
-	/*
-	 * spin_lock code is good enough as a barrier so we don't
-	 * need one here:
-	 */
-	atomic_set(&cpu_in_kgdb[ks->cpu], 1);
-
 #ifdef CONFIG_SMP
 	/* Signal the other CPUs to enter kgdb_wait() */
 	if ((!kgdb_single_step) && kgdb_do_roundup)
@@ -1518,6 +1477,9 @@ acquirelock:
 	kgdb_single_step = 0;
 	kgdb_contthread = current;
 	exception_level = 0;
+	trace_on = tracing_is_on();
+	if (trace_on)
+		tracing_off();
 
 	/* Talk to debugger with gdbserial protocol */
 	error = gdb_serial_stub(ks);
@@ -1526,13 +1488,11 @@ acquirelock:
 	if (kgdb_io_ops->post_exception)
 		kgdb_io_ops->post_exception();
 
-	kgdb_info[ks->cpu].debuggerinfo = NULL;
-	kgdb_info[ks->cpu].task = NULL;
-	atomic_set(&cpu_in_kgdb[ks->cpu], 0);
+	atomic_dec(&cpu_in_kgdb[ks->cpu]);
 
 	if (!kgdb_single_step) {
 		for (i = NR_CPUS-1; i >= 0; i--)
-			atomic_set(&passive_cpu_wait[i], 0);
+			atomic_dec(&passive_cpu_wait[i]);
 		/*
 		 * Wait till all the CPUs have quit
 		 * from the debugger.
@@ -1551,6 +1511,8 @@ kgdb_restore:
 		else
 			kgdb_sstep_pid = 0;
 	}
+	if (trace_on)
+		tracing_on();
 	/* Free kgdb_active */
 	atomic_set(&kgdb_active, -1);
 	touch_softlockup_watchdog_sync();
@@ -1560,13 +1522,52 @@ kgdb_restore:
 	return error;
 }
 
+/*
+ * kgdb_handle_exception() - main entry point from a kernel exception
+ *
+ * Locking hierarchy:
+ *	interface locks, if any (begin_session)
+ *	kgdb lock (kgdb_active)
+ */
+int
+kgdb_handle_exception(int evector, int signo, int ecode, struct pt_regs *regs)
+{
+	struct kgdb_state kgdb_var;
+	struct kgdb_state *ks = &kgdb_var;
+	int ret;
+
+	ks->cpu			= raw_smp_processor_id();
+	ks->ex_vector		= evector;
+	ks->signo		= signo;
+	ks->ex_vector		= evector;
+	ks->err_code		= ecode;
+	ks->kgdb_usethreadid	= 0;
+	ks->linux_regs		= regs;
+
+	if (kgdb_reenter_check(ks))
+		return 0; /* Ouch, double exception ! */
+	kgdb_info[ks->cpu].exception_state |= DCPU_WANT_MASTER;
+	ret = kgdb_cpu_enter(ks, regs);
+	kgdb_info[ks->cpu].exception_state &= ~DCPU_WANT_MASTER;
+	return ret;
+}
+
 int kgdb_nmicallback(int cpu, void *regs)
 {
 #ifdef CONFIG_SMP
+	struct kgdb_state kgdb_var;
+	struct kgdb_state *ks = &kgdb_var;
+
+	memset(ks, 0, sizeof(struct kgdb_state));
+	ks->cpu			= cpu;
+	ks->linux_regs		= regs;
+
 	if (!atomic_read(&cpu_in_kgdb[cpu]) &&
-			atomic_read(&kgdb_active) != cpu &&
-			atomic_read(&cpu_in_kgdb[atomic_read(&kgdb_active)])) {
-		kgdb_wait((struct pt_regs *)regs);
+	    atomic_read(&kgdb_active) != -1 &&
+	    atomic_read(&kgdb_active) != cpu) {
+		kgdb_info[cpu].exception_state |= DCPU_IS_SLAVE;
+		kgdb_cpu_enter(ks, regs);
+		kgdb_info[cpu].exception_state &= ~DCPU_IS_SLAVE;
 		return 0;
 	}
 #endif
@@ -1742,11 +1743,11 @@ EXPORT_SYMBOL_GPL(kgdb_unregister_io_module);
  */
 void kgdb_breakpoint(void)
 {
-	atomic_set(&kgdb_setting_breakpoint, 1);
+	atomic_inc(&kgdb_setting_breakpoint);
 	wmb(); /* Sync point before breakpoint */
 	arch_kgdb_breakpoint();
 	wmb(); /* Sync point after breakpoint */
-	atomic_set(&kgdb_setting_breakpoint, 0);
+	atomic_dec(&kgdb_setting_breakpoint);
 }
 EXPORT_SYMBOL_GPL(kgdb_breakpoint);
 
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index ccec774c716d..0ed46f3e51e9 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -42,9 +42,11 @@
 #include <linux/freezer.h>
 #include <linux/seq_file.h>
 #include <linux/debugfs.h>
+#include <linux/sysctl.h>
 #include <linux/kdebug.h>
 #include <linux/memory.h>
 #include <linux/ftrace.h>
+#include <linux/cpu.h>
 
 #include <asm-generic/sections.h>
 #include <asm/cacheflush.h>
@@ -105,57 +107,74 @@ static struct kprobe_blackpoint kprobe_blacklist[] = {
  * stepping on the instruction on a vmalloced/kmalloced/data page
  * is a recipe for disaster
  */
-#define INSNS_PER_PAGE	(PAGE_SIZE/(MAX_INSN_SIZE * sizeof(kprobe_opcode_t)))
-
 struct kprobe_insn_page {
 	struct list_head list;
 	kprobe_opcode_t *insns;		/* Page of instruction slots */
-	char slot_used[INSNS_PER_PAGE];
 	int nused;
 	int ngarbage;
+	char slot_used[];
+};
+
+#define KPROBE_INSN_PAGE_SIZE(slots)			\
+	(offsetof(struct kprobe_insn_page, slot_used) +	\
+	 (sizeof(char) * (slots)))
+
+struct kprobe_insn_cache {
+	struct list_head pages;	/* list of kprobe_insn_page */
+	size_t insn_size;	/* size of instruction slot */
+	int nr_garbage;
 };
 
+static int slots_per_page(struct kprobe_insn_cache *c)
+{
+	return PAGE_SIZE/(c->insn_size * sizeof(kprobe_opcode_t));
+}
+
 enum kprobe_slot_state {
 	SLOT_CLEAN = 0,
 	SLOT_DIRTY = 1,
 	SLOT_USED = 2,
 };
 
-static DEFINE_MUTEX(kprobe_insn_mutex);	/* Protects kprobe_insn_pages */
-static LIST_HEAD(kprobe_insn_pages);
-static int kprobe_garbage_slots;
-static int collect_garbage_slots(void);
+static DEFINE_MUTEX(kprobe_insn_mutex);	/* Protects kprobe_insn_slots */
+static struct kprobe_insn_cache kprobe_insn_slots = {
+	.pages = LIST_HEAD_INIT(kprobe_insn_slots.pages),
+	.insn_size = MAX_INSN_SIZE,
+	.nr_garbage = 0,
+};
+static int __kprobes collect_garbage_slots(struct kprobe_insn_cache *c);
 
 /**
  * __get_insn_slot() - Find a slot on an executable page for an instruction.
  * We allocate an executable page if there's no room on existing ones.
  */
-static kprobe_opcode_t __kprobes *__get_insn_slot(void)
+static kprobe_opcode_t __kprobes *__get_insn_slot(struct kprobe_insn_cache *c)
 {
 	struct kprobe_insn_page *kip;
 
  retry:
-	list_for_each_entry(kip, &kprobe_insn_pages, list) {
-		if (kip->nused < INSNS_PER_PAGE) {
+	list_for_each_entry(kip, &c->pages, list) {
+		if (kip->nused < slots_per_page(c)) {
 			int i;
-			for (i = 0; i < INSNS_PER_PAGE; i++) {
+			for (i = 0; i < slots_per_page(c); i++) {
 				if (kip->slot_used[i] == SLOT_CLEAN) {
 					kip->slot_used[i] = SLOT_USED;
 					kip->nused++;
-					return kip->insns + (i * MAX_INSN_SIZE);
+					return kip->insns + (i * c->insn_size);
 				}
 			}
-			/* Surprise!  No unused slots.  Fix kip->nused. */
-			kip->nused = INSNS_PER_PAGE;
+			/* kip->nused is broken. Fix it. */
+			kip->nused = slots_per_page(c);
+			WARN_ON(1);
 		}
 	}
 
 	/* If there are any garbage slots, collect it and try again. */
-	if (kprobe_garbage_slots && collect_garbage_slots() == 0) {
+	if (c->nr_garbage && collect_garbage_slots(c) == 0)
 		goto retry;
-	}
-	/* All out of space.  Need to allocate a new page. Use slot 0. */
-	kip = kmalloc(sizeof(struct kprobe_insn_page), GFP_KERNEL);
+
+	/* All out of space.  Need to allocate a new page. */
+	kip = kmalloc(KPROBE_INSN_PAGE_SIZE(slots_per_page(c)), GFP_KERNEL);
 	if (!kip)
 		return NULL;
 
@@ -170,20 +189,23 @@ static kprobe_opcode_t __kprobes *__get_insn_slot(void)
 		return NULL;
 	}
 	INIT_LIST_HEAD(&kip->list);
-	list_add(&kip->list, &kprobe_insn_pages);
-	memset(kip->slot_used, SLOT_CLEAN, INSNS_PER_PAGE);
+	memset(kip->slot_used, SLOT_CLEAN, slots_per_page(c));
 	kip->slot_used[0] = SLOT_USED;
 	kip->nused = 1;
 	kip->ngarbage = 0;
+	list_add(&kip->list, &c->pages);
 	return kip->insns;
 }
 
+
 kprobe_opcode_t __kprobes *get_insn_slot(void)
 {
-	kprobe_opcode_t *ret;
+	kprobe_opcode_t *ret = NULL;
+
 	mutex_lock(&kprobe_insn_mutex);
-	ret = __get_insn_slot();
+	ret = __get_insn_slot(&kprobe_insn_slots);
 	mutex_unlock(&kprobe_insn_mutex);
+
 	return ret;
 }
 
@@ -199,7 +221,7 @@ static int __kprobes collect_one_slot(struct kprobe_insn_page *kip, int idx)
 		 * so as not to have to set it up again the
 		 * next time somebody inserts a probe.
 		 */
-		if (!list_is_singular(&kprobe_insn_pages)) {
+		if (!list_is_singular(&kip->list)) {
 			list_del(&kip->list);
 			module_free(NULL, kip->insns);
 			kfree(kip);
@@ -209,51 +231,85 @@ static int __kprobes collect_one_slot(struct kprobe_insn_page *kip, int idx)
 	return 0;
 }
 
-static int __kprobes collect_garbage_slots(void)
+static int __kprobes collect_garbage_slots(struct kprobe_insn_cache *c)
 {
 	struct kprobe_insn_page *kip, *next;
 
 	/* Ensure no-one is interrupted on the garbages */
 	synchronize_sched();
 
-	list_for_each_entry_safe(kip, next, &kprobe_insn_pages, list) {
+	list_for_each_entry_safe(kip, next, &c->pages, list) {
 		int i;
 		if (kip->ngarbage == 0)
 			continue;
 		kip->ngarbage = 0;	/* we will collect all garbages */
-		for (i = 0; i < INSNS_PER_PAGE; i++) {
+		for (i = 0; i < slots_per_page(c); i++) {
 			if (kip->slot_used[i] == SLOT_DIRTY &&
 			    collect_one_slot(kip, i))
 				break;
 		}
 	}
-	kprobe_garbage_slots = 0;
+	c->nr_garbage = 0;
 	return 0;
 }
 
-void __kprobes free_insn_slot(kprobe_opcode_t * slot, int dirty)
+static void __kprobes __free_insn_slot(struct kprobe_insn_cache *c,
+				       kprobe_opcode_t *slot, int dirty)
 {
 	struct kprobe_insn_page *kip;
 
-	mutex_lock(&kprobe_insn_mutex);
-	list_for_each_entry(kip, &kprobe_insn_pages, list) {
-		if (kip->insns <= slot &&
-		    slot < kip->insns + (INSNS_PER_PAGE * MAX_INSN_SIZE)) {
-			int i = (slot - kip->insns) / MAX_INSN_SIZE;
+	list_for_each_entry(kip, &c->pages, list) {
+		long idx = ((long)slot - (long)kip->insns) /
+				(c->insn_size * sizeof(kprobe_opcode_t));
+		if (idx >= 0 && idx < slots_per_page(c)) {
+			WARN_ON(kip->slot_used[idx] != SLOT_USED);
 			if (dirty) {
-				kip->slot_used[i] = SLOT_DIRTY;
+				kip->slot_used[idx] = SLOT_DIRTY;
 				kip->ngarbage++;
+				if (++c->nr_garbage > slots_per_page(c))
+					collect_garbage_slots(c);
 			} else
-				collect_one_slot(kip, i);
-			break;
+				collect_one_slot(kip, idx);
+			return;
 		}
 	}
+	/* Could not free this slot. */
+	WARN_ON(1);
+}
 
-	if (dirty && ++kprobe_garbage_slots > INSNS_PER_PAGE)
-		collect_garbage_slots();
-
+void __kprobes free_insn_slot(kprobe_opcode_t * slot, int dirty)
+{
+	mutex_lock(&kprobe_insn_mutex);
+	__free_insn_slot(&kprobe_insn_slots, slot, dirty);
 	mutex_unlock(&kprobe_insn_mutex);
 }
+#ifdef CONFIG_OPTPROBES
+/* For optimized_kprobe buffer */
+static DEFINE_MUTEX(kprobe_optinsn_mutex); /* Protects kprobe_optinsn_slots */
+static struct kprobe_insn_cache kprobe_optinsn_slots = {
+	.pages = LIST_HEAD_INIT(kprobe_optinsn_slots.pages),
+	/* .insn_size is initialized later */
+	.nr_garbage = 0,
+};
+/* Get a slot for optimized_kprobe buffer */
+kprobe_opcode_t __kprobes *get_optinsn_slot(void)
+{
+	kprobe_opcode_t *ret = NULL;
+
+	mutex_lock(&kprobe_optinsn_mutex);
+	ret = __get_insn_slot(&kprobe_optinsn_slots);
+	mutex_unlock(&kprobe_optinsn_mutex);
+
+	return ret;
+}
+
+void __kprobes free_optinsn_slot(kprobe_opcode_t * slot, int dirty)
+{
+	mutex_lock(&kprobe_optinsn_mutex);
+	__free_insn_slot(&kprobe_optinsn_slots, slot, dirty);
+	mutex_unlock(&kprobe_optinsn_mutex);
+}
+#endif
 #endif
 
 /* We have preemption disabled.. so it is safe to use __ versions */
@@ -284,23 +340,401 @@ struct kprobe __kprobes *get_kprobe(void *addr)
 		if (p->addr == addr)
 			return p;
 	}
+
+	return NULL;
+}
+
+static int __kprobes aggr_pre_handler(struct kprobe *p, struct pt_regs *regs);
+
+/* Return true if the kprobe is an aggregator */
+static inline int kprobe_aggrprobe(struct kprobe *p)
+{
+	return p->pre_handler == aggr_pre_handler;
+}
+
+/*
+ * Keep all fields in the kprobe consistent
+ */
+static inline void copy_kprobe(struct kprobe *old_p, struct kprobe *p)
+{
+	memcpy(&p->opcode, &old_p->opcode, sizeof(kprobe_opcode_t));
+	memcpy(&p->ainsn, &old_p->ainsn, sizeof(struct arch_specific_insn));
+}
+
+#ifdef CONFIG_OPTPROBES
+/* NOTE: change this value only with kprobe_mutex held */
+static bool kprobes_allow_optimization;
+
+/*
+ * Call all pre_handler on the list, but ignores its return value.
+ * This must be called from arch-dep optimized caller.
+ */
+void __kprobes opt_pre_handler(struct kprobe *p, struct pt_regs *regs)
+{
+	struct kprobe *kp;
+
+	list_for_each_entry_rcu(kp, &p->list, list) {
+		if (kp->pre_handler && likely(!kprobe_disabled(kp))) {
+			set_kprobe_instance(kp);
+			kp->pre_handler(kp, regs);
+		}
+		reset_kprobe_instance();
+	}
+}
+
+/* Return true(!0) if the kprobe is ready for optimization. */
+static inline int kprobe_optready(struct kprobe *p)
+{
+	struct optimized_kprobe *op;
+
+	if (kprobe_aggrprobe(p)) {
+		op = container_of(p, struct optimized_kprobe, kp);
+		return arch_prepared_optinsn(&op->optinsn);
+	}
+
+	return 0;
+}
+
+/*
+ * Return an optimized kprobe whose optimizing code replaces
+ * instructions including addr (exclude breakpoint).
+ */
+struct kprobe *__kprobes get_optimized_kprobe(unsigned long addr)
+{
+	int i;
+	struct kprobe *p = NULL;
+	struct optimized_kprobe *op;
+
+	/* Don't check i == 0, since that is a breakpoint case. */
+	for (i = 1; !p && i < MAX_OPTIMIZED_LENGTH; i++)
+		p = get_kprobe((void *)(addr - i));
+
+	if (p && kprobe_optready(p)) {
+		op = container_of(p, struct optimized_kprobe, kp);
+		if (arch_within_optimized_kprobe(op, addr))
+			return p;
+	}
+
 	return NULL;
 }
 
+/* Optimization staging list, protected by kprobe_mutex */
+static LIST_HEAD(optimizing_list);
+
+static void kprobe_optimizer(struct work_struct *work);
+static DECLARE_DELAYED_WORK(optimizing_work, kprobe_optimizer);
+#define OPTIMIZE_DELAY 5
+
+/* Kprobe jump optimizer */
+static __kprobes void kprobe_optimizer(struct work_struct *work)
+{
+	struct optimized_kprobe *op, *tmp;
+
+	/* Lock modules while optimizing kprobes */
+	mutex_lock(&module_mutex);
+	mutex_lock(&kprobe_mutex);
+	if (kprobes_all_disarmed || !kprobes_allow_optimization)
+		goto end;
+
+	/*
+	 * Wait for quiesence period to ensure all running interrupts
+	 * are done. Because optprobe may modify multiple instructions
+	 * there is a chance that Nth instruction is interrupted. In that
+	 * case, running interrupt can return to 2nd-Nth byte of jump
+	 * instruction. This wait is for avoiding it.
+	 */
+	synchronize_sched();
+
+	/*
+	 * The optimization/unoptimization refers online_cpus via
+	 * stop_machine() and cpu-hotplug modifies online_cpus.
+	 * And same time, text_mutex will be held in cpu-hotplug and here.
+	 * This combination can cause a deadlock (cpu-hotplug try to lock
+	 * text_mutex but stop_machine can not be done because online_cpus
+	 * has been changed)
+	 * To avoid this deadlock, we need to call get_online_cpus()
+	 * for preventing cpu-hotplug outside of text_mutex locking.
+	 */
+	get_online_cpus();
+	mutex_lock(&text_mutex);
+	list_for_each_entry_safe(op, tmp, &optimizing_list, list) {
+		WARN_ON(kprobe_disabled(&op->kp));
+		if (arch_optimize_kprobe(op) < 0)
+			op->kp.flags &= ~KPROBE_FLAG_OPTIMIZED;
+		list_del_init(&op->list);
+	}
+	mutex_unlock(&text_mutex);
+	put_online_cpus();
+end:
+	mutex_unlock(&kprobe_mutex);
+	mutex_unlock(&module_mutex);
+}
+
+/* Optimize kprobe if p is ready to be optimized */
+static __kprobes void optimize_kprobe(struct kprobe *p)
+{
+	struct optimized_kprobe *op;
+
+	/* Check if the kprobe is disabled or not ready for optimization. */
+	if (!kprobe_optready(p) || !kprobes_allow_optimization ||
+	    (kprobe_disabled(p) || kprobes_all_disarmed))
+		return;
+
+	/* Both of break_handler and post_handler are not supported. */
+	if (p->break_handler || p->post_handler)
+		return;
+
+	op = container_of(p, struct optimized_kprobe, kp);
+
+	/* Check there is no other kprobes at the optimized instructions */
+	if (arch_check_optimized_kprobe(op) < 0)
+		return;
+
+	/* Check if it is already optimized. */
+	if (op->kp.flags & KPROBE_FLAG_OPTIMIZED)
+		return;
+
+	op->kp.flags |= KPROBE_FLAG_OPTIMIZED;
+	list_add(&op->list, &optimizing_list);
+	if (!delayed_work_pending(&optimizing_work))
+		schedule_delayed_work(&optimizing_work, OPTIMIZE_DELAY);
+}
+
+/* Unoptimize a kprobe if p is optimized */
+static __kprobes void unoptimize_kprobe(struct kprobe *p)
+{
+	struct optimized_kprobe *op;
+
+	if ((p->flags & KPROBE_FLAG_OPTIMIZED) && kprobe_aggrprobe(p)) {
+		op = container_of(p, struct optimized_kprobe, kp);
+		if (!list_empty(&op->list))
+			/* Dequeue from the optimization queue */
+			list_del_init(&op->list);
+		else
+			/* Replace jump with break */
+			arch_unoptimize_kprobe(op);
+		op->kp.flags &= ~KPROBE_FLAG_OPTIMIZED;
+	}
+}
+
+/* Remove optimized instructions */
+static void __kprobes kill_optimized_kprobe(struct kprobe *p)
+{
+	struct optimized_kprobe *op;
+
+	op = container_of(p, struct optimized_kprobe, kp);
+	if (!list_empty(&op->list)) {
+		/* Dequeue from the optimization queue */
+		list_del_init(&op->list);
+		op->kp.flags &= ~KPROBE_FLAG_OPTIMIZED;
+	}
+	/* Don't unoptimize, because the target code will be freed. */
+	arch_remove_optimized_kprobe(op);
+}
+
+/* Try to prepare optimized instructions */
+static __kprobes void prepare_optimized_kprobe(struct kprobe *p)
+{
+	struct optimized_kprobe *op;
+
+	op = container_of(p, struct optimized_kprobe, kp);
+	arch_prepare_optimized_kprobe(op);
+}
+
+/* Free optimized instructions and optimized_kprobe */
+static __kprobes void free_aggr_kprobe(struct kprobe *p)
+{
+	struct optimized_kprobe *op;
+
+	op = container_of(p, struct optimized_kprobe, kp);
+	arch_remove_optimized_kprobe(op);
+	kfree(op);
+}
+
+/* Allocate new optimized_kprobe and try to prepare optimized instructions */
+static __kprobes struct kprobe *alloc_aggr_kprobe(struct kprobe *p)
+{
+	struct optimized_kprobe *op;
+
+	op = kzalloc(sizeof(struct optimized_kprobe), GFP_KERNEL);
+	if (!op)
+		return NULL;
+
+	INIT_LIST_HEAD(&op->list);
+	op->kp.addr = p->addr;
+	arch_prepare_optimized_kprobe(op);
+
+	return &op->kp;
+}
+
+static void __kprobes init_aggr_kprobe(struct kprobe *ap, struct kprobe *p);
+
+/*
+ * Prepare an optimized_kprobe and optimize it
+ * NOTE: p must be a normal registered kprobe
+ */
+static __kprobes void try_to_optimize_kprobe(struct kprobe *p)
+{
+	struct kprobe *ap;
+	struct optimized_kprobe *op;
+
+	ap = alloc_aggr_kprobe(p);
+	if (!ap)
+		return;
+
+	op = container_of(ap, struct optimized_kprobe, kp);
+	if (!arch_prepared_optinsn(&op->optinsn)) {
+		/* If failed to setup optimizing, fallback to kprobe */
+		free_aggr_kprobe(ap);
+		return;
+	}
+
+	init_aggr_kprobe(ap, p);
+	optimize_kprobe(ap);
+}
+
+#ifdef CONFIG_SYSCTL
+static void __kprobes optimize_all_kprobes(void)
+{
+	struct hlist_head *head;
+	struct hlist_node *node;
+	struct kprobe *p;
+	unsigned int i;
+
+	/* If optimization is already allowed, just return */
+	if (kprobes_allow_optimization)
+		return;
+
+	kprobes_allow_optimization = true;
+	mutex_lock(&text_mutex);
+	for (i = 0; i < KPROBE_TABLE_SIZE; i++) {
+		head = &kprobe_table[i];
+		hlist_for_each_entry_rcu(p, node, head, hlist)
+			if (!kprobe_disabled(p))
+				optimize_kprobe(p);
+	}
+	mutex_unlock(&text_mutex);
+	printk(KERN_INFO "Kprobes globally optimized\n");
+}
+
+static void __kprobes unoptimize_all_kprobes(void)
+{
+	struct hlist_head *head;
+	struct hlist_node *node;
+	struct kprobe *p;
+	unsigned int i;
+
+	/* If optimization is already prohibited, just return */
+	if (!kprobes_allow_optimization)
+		return;
+
+	kprobes_allow_optimization = false;
+	printk(KERN_INFO "Kprobes globally unoptimized\n");
+	get_online_cpus();	/* For avoiding text_mutex deadlock */
+	mutex_lock(&text_mutex);
+	for (i = 0; i < KPROBE_TABLE_SIZE; i++) {
+		head = &kprobe_table[i];
+		hlist_for_each_entry_rcu(p, node, head, hlist) {
+			if (!kprobe_disabled(p))
+				unoptimize_kprobe(p);
+		}
+	}
+
+	mutex_unlock(&text_mutex);
+	put_online_cpus();
+	/* Allow all currently running kprobes to complete */
+	synchronize_sched();
+}
+
+int sysctl_kprobes_optimization;
+int proc_kprobes_optimization_handler(struct ctl_table *table, int write,
+				      void __user *buffer, size_t *length,
+				      loff_t *ppos)
+{
+	int ret;
+
+	mutex_lock(&kprobe_mutex);
+	sysctl_kprobes_optimization = kprobes_allow_optimization ? 1 : 0;
+	ret = proc_dointvec_minmax(table, write, buffer, length, ppos);
+
+	if (sysctl_kprobes_optimization)
+		optimize_all_kprobes();
+	else
+		unoptimize_all_kprobes();
+	mutex_unlock(&kprobe_mutex);
+
+	return ret;
+}
+#endif /* CONFIG_SYSCTL */
+
+static void __kprobes __arm_kprobe(struct kprobe *p)
+{
+	struct kprobe *old_p;
+
+	/* Check collision with other optimized kprobes */
+	old_p = get_optimized_kprobe((unsigned long)p->addr);
+	if (unlikely(old_p))
+		unoptimize_kprobe(old_p); /* Fallback to unoptimized kprobe */
+
+	arch_arm_kprobe(p);
+	optimize_kprobe(p);	/* Try to optimize (add kprobe to a list) */
+}
+
+static void __kprobes __disarm_kprobe(struct kprobe *p)
+{
+	struct kprobe *old_p;
+
+	unoptimize_kprobe(p);	/* Try to unoptimize */
+	arch_disarm_kprobe(p);
+
+	/* If another kprobe was blocked, optimize it. */
+	old_p = get_optimized_kprobe((unsigned long)p->addr);
+	if (unlikely(old_p))
+		optimize_kprobe(old_p);
+}
+
+#else /* !CONFIG_OPTPROBES */
+
+#define optimize_kprobe(p)			do {} while (0)
+#define unoptimize_kprobe(p)			do {} while (0)
+#define kill_optimized_kprobe(p)		do {} while (0)
+#define prepare_optimized_kprobe(p)		do {} while (0)
+#define try_to_optimize_kprobe(p)		do {} while (0)
+#define __arm_kprobe(p)				arch_arm_kprobe(p)
+#define __disarm_kprobe(p)			arch_disarm_kprobe(p)
+
+static __kprobes void free_aggr_kprobe(struct kprobe *p)
+{
+	kfree(p);
+}
+
+static __kprobes struct kprobe *alloc_aggr_kprobe(struct kprobe *p)
+{
+	return kzalloc(sizeof(struct kprobe), GFP_KERNEL);
+}
+#endif /* CONFIG_OPTPROBES */
+
 /* Arm a kprobe with text_mutex */
 static void __kprobes arm_kprobe(struct kprobe *kp)
 {
+	/*
+	 * Here, since __arm_kprobe() doesn't use stop_machine(),
+	 * this doesn't cause deadlock on text_mutex. So, we don't
+	 * need get_online_cpus().
+	 */
 	mutex_lock(&text_mutex);
-	arch_arm_kprobe(kp);
+	__arm_kprobe(kp);
 	mutex_unlock(&text_mutex);
 }
 
 /* Disarm a kprobe with text_mutex */
 static void __kprobes disarm_kprobe(struct kprobe *kp)
 {
+	get_online_cpus();	/* For avoiding text_mutex deadlock */
 	mutex_lock(&text_mutex);
-	arch_disarm_kprobe(kp);
+	__disarm_kprobe(kp);
 	mutex_unlock(&text_mutex);
+	put_online_cpus();
 }
 
 /*
@@ -369,7 +803,7 @@ static int __kprobes aggr_break_handler(struct kprobe *p, struct pt_regs *regs)
 void __kprobes kprobes_inc_nmissed_count(struct kprobe *p)
 {
 	struct kprobe *kp;
-	if (p->pre_handler != aggr_pre_handler) {
+	if (!kprobe_aggrprobe(p)) {
 		p->nmissed++;
 	} else {
 		list_for_each_entry_rcu(kp, &p->list, list)
@@ -493,21 +927,16 @@ static void __kprobes cleanup_rp_inst(struct kretprobe *rp)
 }
 
 /*
- * Keep all fields in the kprobe consistent
- */
-static inline void copy_kprobe(struct kprobe *old_p, struct kprobe *p)
-{
-	memcpy(&p->opcode, &old_p->opcode, sizeof(kprobe_opcode_t));
-	memcpy(&p->ainsn, &old_p->ainsn, sizeof(struct arch_specific_insn));
-}
-
-/*
 * Add the new probe to ap->list. Fail if this is the
 * second jprobe at the address - two jprobes can't coexist
 */
 static int __kprobes add_new_kprobe(struct kprobe *ap, struct kprobe *p)
 {
 	BUG_ON(kprobe_gone(ap) || kprobe_gone(p));
+
+	if (p->break_handler || p->post_handler)
+		unoptimize_kprobe(ap);	/* Fall back to normal kprobe */
+
 	if (p->break_handler) {
 		if (ap->break_handler)
 			return -EEXIST;
@@ -522,7 +951,7 @@ static int __kprobes add_new_kprobe(struct kprobe *ap, struct kprobe *p)
 		ap->flags &= ~KPROBE_FLAG_DISABLED;
 		if (!kprobes_all_disarmed)
 			/* Arm the breakpoint again. */
-			arm_kprobe(ap);
+			__arm_kprobe(ap);
 	}
 	return 0;
 }
@@ -531,12 +960,13 @@ static int __kprobes add_new_kprobe(struct kprobe *ap, struct kprobe *p)
  * Fill in the required fields of the "manager kprobe". Replace the
  * earlier kprobe in the hlist with the manager kprobe
  */
-static inline void add_aggr_kprobe(struct kprobe *ap, struct kprobe *p)
+static void __kprobes init_aggr_kprobe(struct kprobe *ap, struct kprobe *p)
 {
+	/* Copy p's insn slot to ap */
 	copy_kprobe(p, ap);
 	flush_insn_slot(ap);
 	ap->addr = p->addr;
-	ap->flags = p->flags;
+	ap->flags = p->flags & ~KPROBE_FLAG_OPTIMIZED;
 	ap->pre_handler = aggr_pre_handler;
 	ap->fault_handler = aggr_fault_handler;
 	/* We don't care the kprobe which has gone. */
@@ -546,8 +976,9 @@ static inline void add_aggr_kprobe(struct kprobe *ap, struct kprobe *p)
 		ap->break_handler = aggr_break_handler;
 
 	INIT_LIST_HEAD(&ap->list);
-	list_add_rcu(&p->list, &ap->list);
+	INIT_HLIST_NODE(&ap->hlist);
 
+	list_add_rcu(&p->list, &ap->list);
 	hlist_replace_rcu(&p->hlist, &ap->hlist);
 }
 
@@ -561,12 +992,12 @@ static int __kprobes register_aggr_kprobe(struct kprobe *old_p,
 	int ret = 0;
 	struct kprobe *ap = old_p;
 
-	if (old_p->pre_handler != aggr_pre_handler) {
-		/* If old_p is not an aggr_probe, create new aggr_kprobe. */
-		ap = kzalloc(sizeof(struct kprobe), GFP_KERNEL);
+	if (!kprobe_aggrprobe(old_p)) {
+		/* If old_p is not an aggr_kprobe, create new aggr_kprobe. */
+		ap = alloc_aggr_kprobe(old_p);
 		if (!ap)
 			return -ENOMEM;
-		add_aggr_kprobe(ap, old_p);
+		init_aggr_kprobe(ap, old_p);
 	}
 
 	if (kprobe_gone(ap)) {
@@ -585,6 +1016,9 @@ static int __kprobes register_aggr_kprobe(struct kprobe *old_p,
 			 */
 			return ret;
 
+		/* Prepare optimized instructions if possible. */
+		prepare_optimized_kprobe(ap);
+
 		/*
 		 * Clear gone flag to prevent allocating new slot again, and
 		 * set disabled flag because it is not armed yet.
@@ -593,6 +1027,7 @@ static int __kprobes register_aggr_kprobe(struct kprobe *old_p,
 			    | KPROBE_FLAG_DISABLED;
 	}
 
+	/* Copy ap's insn slot to p */
 	copy_kprobe(ap, p);
 	return add_new_kprobe(ap, p);
 }
@@ -743,27 +1178,34 @@ int __kprobes register_kprobe(struct kprobe *p)
 	p->nmissed = 0;
 	INIT_LIST_HEAD(&p->list);
 	mutex_lock(&kprobe_mutex);
+
+	get_online_cpus();	/* For avoiding text_mutex deadlock. */
+	mutex_lock(&text_mutex);
+
 	old_p = get_kprobe(p->addr);
 	if (old_p) {
+		/* Since this may unoptimize old_p, locking text_mutex. */
 		ret = register_aggr_kprobe(old_p, p);
 		goto out;
 	}
 
-	mutex_lock(&text_mutex);
 	ret = arch_prepare_kprobe(p);
 	if (ret)
-		goto out_unlock_text;
+		goto out;
 
 	INIT_HLIST_NODE(&p->hlist);
 	hlist_add_head_rcu(&p->hlist,
 		       &kprobe_table[hash_ptr(p->addr, KPROBE_HASH_BITS)]);
 
 	if (!kprobes_all_disarmed && !kprobe_disabled(p))
-		arch_arm_kprobe(p);
+		__arm_kprobe(p);
+
+	/* Try to optimize kprobe */
+	try_to_optimize_kprobe(p);
 
-out_unlock_text:
-	mutex_unlock(&text_mutex);
 out:
+	mutex_unlock(&text_mutex);
+	put_online_cpus();
 	mutex_unlock(&kprobe_mutex);
 
 	if (probed_mod)
@@ -785,7 +1227,7 @@ static int __kprobes __unregister_kprobe_top(struct kprobe *p)
 		return -EINVAL;
 
 	if (old_p == p ||
-	    (old_p->pre_handler == aggr_pre_handler &&
+	    (kprobe_aggrprobe(old_p) &&
 	     list_is_singular(&old_p->list))) {
 		/*
 		 * Only probe on the hash list. Disarm only if kprobes are
@@ -793,7 +1235,7 @@ static int __kprobes __unregister_kprobe_top(struct kprobe *p)
 		 * already have been removed. We save on flushing icache.
 		 */
 		if (!kprobes_all_disarmed && !kprobe_disabled(old_p))
-			disarm_kprobe(p);
+			disarm_kprobe(old_p);
 		hlist_del_rcu(&old_p->hlist);
 	} else {
 		if (p->break_handler && !kprobe_gone(p))
@@ -809,8 +1251,13 @@ noclean:
 		list_del_rcu(&p->list);
 		if (!kprobe_disabled(old_p)) {
 			try_to_disable_aggr_kprobe(old_p);
-			if (!kprobes_all_disarmed && kprobe_disabled(old_p))
-				disarm_kprobe(old_p);
+			if (!kprobes_all_disarmed) {
+				if (kprobe_disabled(old_p))
+					disarm_kprobe(old_p);
+				else
+					/* Try to optimize this probe again */
+					optimize_kprobe(old_p);
+			}
 		}
 	}
 	return 0;
@@ -827,7 +1274,7 @@ static void __kprobes __unregister_kprobe_bottom(struct kprobe *p)
 		old_p = list_entry(p->list.next, struct kprobe, list);
 		list_del(&p->list);
 		arch_remove_kprobe(old_p);
-		kfree(old_p);
+		free_aggr_kprobe(old_p);
 	}
 }
 
@@ -1123,7 +1570,7 @@ static void __kprobes kill_kprobe(struct kprobe *p)
 	struct kprobe *kp;
 
 	p->flags |= KPROBE_FLAG_GONE;
-	if (p->pre_handler == aggr_pre_handler) {
+	if (kprobe_aggrprobe(p)) {
 		/*
 		 * If this is an aggr_kprobe, we have to list all the
 		 * chained probes and mark them GONE.
@@ -1132,6 +1579,7 @@ static void __kprobes kill_kprobe(struct kprobe *p)
 			kp->flags |= KPROBE_FLAG_GONE;
 		p->post_handler = NULL;
 		p->break_handler = NULL;
+		kill_optimized_kprobe(p);
 	}
 	/*
 	 * Here, we can remove insn_slot safely, because no thread calls
@@ -1241,6 +1689,15 @@ static int __init init_kprobes(void)
 		}
 	}
 
+#if defined(CONFIG_OPTPROBES)
+#if defined(__ARCH_WANT_KPROBES_INSN_SLOT)
+	/* Init kprobe_optinsn_slots */
+	kprobe_optinsn_slots.insn_size = MAX_OPTINSN_SIZE;
+#endif
+	/* By default, kprobes can be optimized */
+	kprobes_allow_optimization = true;
+#endif
+
 	/* By default, kprobes are armed */
 	kprobes_all_disarmed = false;
 
@@ -1259,7 +1716,7 @@ static int __init init_kprobes(void)
 
 #ifdef CONFIG_DEBUG_FS
 static void __kprobes report_probe(struct seq_file *pi, struct kprobe *p,
-		const char *sym, int offset,char *modname)
+		const char *sym, int offset, char *modname, struct kprobe *pp)
 {
 	char *kprobe_type;
 
@@ -1269,19 +1726,21 @@ static void __kprobes report_probe(struct seq_file *pi, struct kprobe *p,
 		kprobe_type = "j";
 	else
 		kprobe_type = "k";
+
 	if (sym)
-		seq_printf(pi, "%p  %s  %s+0x%x  %s %s%s\n",
+		seq_printf(pi, "%p  %s  %s+0x%x  %s ",
 			p->addr, kprobe_type, sym, offset,
-			(modname ? modname : " "),
-			(kprobe_gone(p) ? "[GONE]" : ""),
-			((kprobe_disabled(p) && !kprobe_gone(p)) ?
-			 "[DISABLED]" : ""));
+			(modname ? modname : " "));
 	else
-		seq_printf(pi, "%p  %s  %p %s%s\n",
-			p->addr, kprobe_type, p->addr,
-			(kprobe_gone(p) ? "[GONE]" : ""),
-			((kprobe_disabled(p) && !kprobe_gone(p)) ?
-			 "[DISABLED]" : ""));
+		seq_printf(pi, "%p  %s  %p ",
+			p->addr, kprobe_type, p->addr);
+
+	if (!pp)
+		pp = p;
+	seq_printf(pi, "%s%s%s\n",
+		(kprobe_gone(p) ? "[GONE]" : ""),
+		((kprobe_disabled(p) && !kprobe_gone(p)) ?  "[DISABLED]" : ""),
+		(kprobe_optimized(pp) ? "[OPTIMIZED]" : ""));
 }
 
 static void __kprobes *kprobe_seq_start(struct seq_file *f, loff_t *pos)
@@ -1317,11 +1776,11 @@ static int __kprobes show_kprobe_addr(struct seq_file *pi, void *v)
 	hlist_for_each_entry_rcu(p, node, head, hlist) {
 		sym = kallsyms_lookup((unsigned long)p->addr, NULL,
 					&offset, &modname, namebuf);
-		if (p->pre_handler == aggr_pre_handler) {
+		if (kprobe_aggrprobe(p)) {
 			list_for_each_entry_rcu(kp, &p->list, list)
-				report_probe(pi, kp, sym, offset, modname);
+				report_probe(pi, kp, sym, offset, modname, p);
 		} else
-			report_probe(pi, p, sym, offset, modname);
+			report_probe(pi, p, sym, offset, modname, NULL);
 	}
 	preempt_enable();
 	return 0;
@@ -1399,12 +1858,13 @@ int __kprobes enable_kprobe(struct kprobe *kp)
 		goto out;
 	}
 
-	if (!kprobes_all_disarmed && kprobe_disabled(p))
-		arm_kprobe(p);
-
-	p->flags &= ~KPROBE_FLAG_DISABLED;
 	if (p != kp)
 		kp->flags &= ~KPROBE_FLAG_DISABLED;
+
+	if (!kprobes_all_disarmed && kprobe_disabled(p)) {
+		p->flags &= ~KPROBE_FLAG_DISABLED;
+		arm_kprobe(p);
+	}
 out:
 	mutex_unlock(&kprobe_mutex);
 	return ret;
@@ -1424,12 +1884,13 @@ static void __kprobes arm_all_kprobes(void)
 	if (!kprobes_all_disarmed)
 		goto already_enabled;
 
+	/* Arming kprobes doesn't optimize kprobe itself */
 	mutex_lock(&text_mutex);
 	for (i = 0; i < KPROBE_TABLE_SIZE; i++) {
 		head = &kprobe_table[i];
 		hlist_for_each_entry_rcu(p, node, head, hlist)
 			if (!kprobe_disabled(p))
-				arch_arm_kprobe(p);
+				__arm_kprobe(p);
 	}
 	mutex_unlock(&text_mutex);
 
@@ -1456,16 +1917,23 @@ static void __kprobes disarm_all_kprobes(void)
 
 	kprobes_all_disarmed = true;
 	printk(KERN_INFO "Kprobes globally disabled\n");
+
+	/*
+	 * Here we call get_online_cpus() for avoiding text_mutex deadlock,
+	 * because disarming may also unoptimize kprobes.
+	 */
+	get_online_cpus();
 	mutex_lock(&text_mutex);
 	for (i = 0; i < KPROBE_TABLE_SIZE; i++) {
 		head = &kprobe_table[i];
 		hlist_for_each_entry_rcu(p, node, head, hlist) {
 			if (!arch_trampoline_kprobe(p) && !kprobe_disabled(p))
-				arch_disarm_kprobe(p);
+				__disarm_kprobe(p);
 		}
 	}
 
 	mutex_unlock(&text_mutex);
+	put_online_cpus();
 	mutex_unlock(&kprobe_mutex);
 	/* Allow all currently running kprobes to complete */
 	synchronize_sched();
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 6b1ccc3f0205..21fe3c426948 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -33,7 +33,7 @@ static ssize_t uevent_seqnum_show(struct kobject *kobj,
 }
 KERNEL_ATTR_RO(uevent_seqnum);
 
-/* uevent helper program, used during early boo */
+/* uevent helper program, used during early boot */
 static ssize_t uevent_helper_show(struct kobject *kobj,
 				  struct kobj_attribute *attr, char *buf)
 {
diff --git a/kernel/kthread.c b/kernel/kthread.c
index 82ed0ea15194..83911c780175 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -219,7 +219,7 @@ int kthreadd(void *unused)
 	set_task_comm(tsk, "kthreadd");
 	ignore_signals(tsk);
 	set_cpus_allowed_ptr(tsk, cpu_all_mask);
-	set_mems_allowed(node_possible_map);
+	set_mems_allowed(node_states[N_HIGH_MEMORY]);
 
 	current->flags |= PF_NOFREEZE | PF_FREEZER_NOSIG;
 
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 0c30d0455de1..c927a549db2c 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -3211,8 +3211,6 @@ void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
 {
 	unsigned long flags;
 
-	trace_lock_acquire(lock, subclass, trylock, read, check, nest_lock, ip);
-
 	if (unlikely(current->lockdep_recursion))
 		return;
 
@@ -3220,6 +3218,7 @@ void lock_acquire(struct lockdep_map *lock, unsigned int subclass,
 	check_flags(flags);
 
 	current->lockdep_recursion = 1;
+	trace_lock_acquire(lock, subclass, trylock, read, check, nest_lock, ip);
 	__lock_acquire(lock, subclass, trylock, read, check,
 		       irqs_disabled_flags(flags), nest_lock, ip, 0);
 	current->lockdep_recursion = 0;
@@ -3232,14 +3231,13 @@ void lock_release(struct lockdep_map *lock, int nested,
 {
 	unsigned long flags;
 
-	trace_lock_release(lock, nested, ip);
-
 	if (unlikely(current->lockdep_recursion))
 		return;
 
 	raw_local_irq_save(flags);
 	check_flags(flags);
 	current->lockdep_recursion = 1;
+	trace_lock_release(lock, nested, ip);
 	__lock_release(lock, nested, ip);
 	current->lockdep_recursion = 0;
 	raw_local_irq_restore(flags);
@@ -3413,8 +3411,6 @@ void lock_contended(struct lockdep_map *lock, unsigned long ip)
 {
 	unsigned long flags;
 
-	trace_lock_contended(lock, ip);
-
 	if (unlikely(!lock_stat))
 		return;
 
@@ -3424,6 +3420,7 @@ void lock_contended(struct lockdep_map *lock, unsigned long ip)
 	raw_local_irq_save(flags);
 	check_flags(flags);
 	current->lockdep_recursion = 1;
+	trace_lock_contended(lock, ip);
 	__lock_contended(lock, ip);
 	current->lockdep_recursion = 0;
 	raw_local_irq_restore(flags);
@@ -3822,6 +3819,7 @@ void lockdep_rcu_dereference(const char *file, const int line)
 	printk("%s:%d invoked rcu_dereference_check() without protection!\n",
 			file, line);
 	printk("\nother info that might help us debug this:\n\n");
+	printk("\nrcu_scheduler_active = %d, debug_locks = %d\n", rcu_scheduler_active, debug_locks);
 	lockdep_print_held_locks(curr);
 	printk("\nstack backtrace:\n");
 	dump_stack();
diff --git a/kernel/module.c b/kernel/module.c
index f82386bd9ee9..c968d3606dca 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -474,9 +474,10 @@ static void module_unload_init(struct module *mod)
 
 	INIT_LIST_HEAD(&mod->modules_which_use_me);
 	for_each_possible_cpu(cpu)
-		local_set(__module_ref_addr(mod, cpu), 0);
+		per_cpu_ptr(mod->refptr, cpu)->count = 0;
+
 	/* Hold reference count during initialization. */
-	local_set(__module_ref_addr(mod, raw_smp_processor_id()), 1);
+	__this_cpu_write(mod->refptr->count, 1);
 	/* Backwards compatibility macros put refcount during init. */
 	mod->waiter = current;
 }
@@ -619,7 +620,7 @@ unsigned int module_refcount(struct module *mod)
 	int cpu;
 
 	for_each_possible_cpu(cpu)
-		total += local_read(__module_ref_addr(mod, cpu));
+		total += per_cpu_ptr(mod->refptr, cpu)->count;
 	return total;
 }
 EXPORT_SYMBOL(module_refcount);
@@ -796,14 +797,15 @@ static struct module_attribute refcnt = {
 void module_put(struct module *module)
 {
 	if (module) {
-		unsigned int cpu = get_cpu();
-		local_dec(__module_ref_addr(module, cpu));
+		preempt_disable();
+		__this_cpu_dec(module->refptr->count);
+
 		trace_module_put(module, _RET_IP_,
-				 local_read(__module_ref_addr(module, cpu)));
+				 __this_cpu_read(module->refptr->count));
 		/* Maybe they're waiting for us to drop reference? */
 		if (unlikely(!module_is_live(module)))
 			wake_up_process(module->waiter);
-		put_cpu();
+		preempt_enable();
 	}
 }
 EXPORT_SYMBOL(module_put);
@@ -1083,6 +1085,7 @@ static void add_sect_attrs(struct module *mod, unsigned int nsect,
 		if (sattr->name == NULL)
 			goto out;
 		sect_attrs->nsections++;
+		sysfs_attr_init(&sattr->mattr.attr);
 		sattr->mattr.show = module_sect_show;
 		sattr->mattr.store = NULL;
 		sattr->mattr.attr.name = sattr->name;
@@ -1178,6 +1181,7 @@ static void add_notes_attrs(struct module *mod, unsigned int nsect,
 		if (sect_empty(&sechdrs[i]))
 			continue;
 		if (sechdrs[i].sh_type == SHT_NOTE) {
+			sysfs_bin_attr_init(nattr);
 			nattr->attr.name = mod->sect_attrs->attrs[loaded].name;
 			nattr->attr.mode = S_IRUGO;
 			nattr->size = sechdrs[i].sh_size;
@@ -1250,6 +1254,7 @@ int module_add_modinfo_attrs(struct module *mod)
 		if (!attr->test ||
 		    (attr->test && attr->test(mod))) {
 			memcpy(temp_attr, attr, sizeof(*temp_attr));
+			sysfs_attr_init(&temp_attr->attr);
 			error = sysfs_create_file(&mod->mkobj.kobj,&temp_attr->attr);
 			++temp_attr;
 		}
@@ -1397,9 +1402,9 @@ static void free_module(struct module *mod)
 	kfree(mod->args);
 	if (mod->percpu)
 		percpu_modfree(mod->percpu);
-#if defined(CONFIG_MODULE_UNLOAD) && defined(CONFIG_SMP)
+#if defined(CONFIG_MODULE_UNLOAD)
 	if (mod->refptr)
-		percpu_modfree(mod->refptr);
+		free_percpu(mod->refptr);
 #endif
 	/* Free lock-classes: */
 	lockdep_free_key_range(mod->module_core, mod->core_size);
@@ -2162,9 +2167,8 @@ static noinline struct module *load_module(void __user *umod,
 	mod = (void *)sechdrs[modindex].sh_addr;
 	kmemleak_load_module(mod, hdr, sechdrs, secstrings);
 
-#if defined(CONFIG_MODULE_UNLOAD) && defined(CONFIG_SMP)
-	mod->refptr = percpu_modalloc(sizeof(local_t), __alignof__(local_t),
-				      mod->name);
+#if defined(CONFIG_MODULE_UNLOAD)
+	mod->refptr = alloc_percpu(struct module_ref);
 	if (!mod->refptr) {
 		err = -ENOMEM;
 		goto free_init;
@@ -2396,8 +2400,8 @@ static noinline struct module *load_module(void __user *umod,
 	kobject_put(&mod->mkobj.kobj);
  free_unload:
 	module_unload_free(mod);
-#if defined(CONFIG_MODULE_UNLOAD) && defined(CONFIG_SMP)
-	percpu_modfree(mod->refptr);
+#if defined(CONFIG_MODULE_UNLOAD)
+	free_percpu(mod->refptr);
  free_init:
 #endif
 	module_free(mod, mod->module_init);
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index 09b4ff9711b2..2ab67233ee8f 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -24,7 +24,18 @@
 
 static struct kmem_cache *nsproxy_cachep;
 
-struct nsproxy init_nsproxy = INIT_NSPROXY(init_nsproxy);
+struct nsproxy init_nsproxy = {
+	.count	= ATOMIC_INIT(1),
+	.uts_ns	= &init_uts_ns,
+#if defined(CONFIG_POSIX_MQUEUE) || defined(CONFIG_SYSVIPC)
+	.ipc_ns	= &init_ipc_ns,
+#endif
+	.mnt_ns	= NULL,
+	.pid_ns	= &init_pid_ns,
+#ifdef CONFIG_NET
+	.net_ns	= &init_net,
+#endif
+};
 
 static inline struct nsproxy *create_nsproxy(void)
 {
diff --git a/kernel/padata.c b/kernel/padata.c
index 6f9bcb8313d6..93caf65ff57c 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -642,6 +642,9 @@ struct padata_instance *padata_alloc(const struct cpumask *cpumask,
 	if (!pd)
 		goto err_free_inst;
 
+	if (!alloc_cpumask_var(&pinst->cpumask, GFP_KERNEL))
+		goto err_free_pd;
+
 	rcu_assign_pointer(pinst->pd, pd);
 
 	pinst->wq = wq;
@@ -654,12 +657,14 @@ struct padata_instance *padata_alloc(const struct cpumask *cpumask,
 	pinst->cpu_notifier.priority = 0;
 	err = register_hotcpu_notifier(&pinst->cpu_notifier);
 	if (err)
-		goto err_free_pd;
+		goto err_free_cpumask;
 
 	mutex_init(&pinst->lock);
 
 	return pinst;
 
+err_free_cpumask:
+	free_cpumask_var(pinst->cpumask);
 err_free_pd:
 	padata_free_pd(pd);
 err_free_inst:
@@ -685,6 +690,7 @@ void padata_free(struct padata_instance *pinst)
 
 	unregister_hotcpu_notifier(&pinst->cpu_notifier);
 	padata_free_pd(pinst->pd);
+	free_cpumask_var(pinst->cpumask);
 	kfree(pinst);
 }
 EXPORT_SYMBOL(padata_free);
diff --git a/kernel/panic.c b/kernel/panic.c
index c787333282b8..13d966b4c14a 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -36,15 +36,36 @@ ATOMIC_NOTIFIER_HEAD(panic_notifier_list);
 
 EXPORT_SYMBOL(panic_notifier_list);
 
-static long no_blink(long time)
-{
-	return 0;
-}
-
 /* Returns how long it waited in ms */
 long (*panic_blink)(long time);
 EXPORT_SYMBOL(panic_blink);
 
+static void panic_blink_one_second(void)
+{
+	static long i = 0, end;
+
+	if (panic_blink) {
+		end = i + MSEC_PER_SEC;
+
+		while (i < end) {
+			i += panic_blink(i);
+			mdelay(1);
+			i++;
+		}
+	} else {
+		/*
+		 * When running under a hypervisor a small mdelay may get
+		 * rounded up to the hypervisor timeslice. For example, with
+		 * a 1ms in 10ms hypervisor timeslice we might inflate a
+		 * mdelay(1) loop by 10x.
+		 *
+		 * If we have nothing to blink, spin on 1 second calls to
+		 * mdelay to avoid this.
+		 */
+		mdelay(MSEC_PER_SEC);
+	}
+}
+
 /**
  *	panic - halt the system
  *	@fmt: The text string to print
@@ -95,9 +116,6 @@ NORET_TYPE void panic(const char * fmt, ...)
 
 	bust_spinlocks(0);
 
-	if (!panic_blink)
-		panic_blink = no_blink;
-
 	if (panic_timeout > 0) {
 		/*
 		 * Delay timeout seconds before rebooting the machine.
@@ -105,11 +123,9 @@ NORET_TYPE void panic(const char * fmt, ...)
 		 */
 		printk(KERN_EMERG "Rebooting in %d seconds..", panic_timeout);
 
-		for (i = 0; i < panic_timeout*1000; ) {
+		for (i = 0; i < panic_timeout; i++) {
 			touch_nmi_watchdog();
-			i += panic_blink(i);
-			mdelay(1);
-			i++;
+			panic_blink_one_second();
 		}
 		/*
 		 * This will not be a clean reboot, with everything
@@ -135,11 +151,9 @@ NORET_TYPE void panic(const char * fmt, ...)
 	}
 #endif
 	local_irq_enable();
-	for (i = 0; ; ) {
+	while (1) {
 		touch_softlockup_watchdog();
-		i += panic_blink(i);
-		mdelay(1);
-		i++;
+		panic_blink_one_second();
 	}
 }
 
diff --git a/kernel/params.c b/kernel/params.c
index cf1b69183127..0b30ecd53a52 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -24,7 +24,6 @@
 #include <linux/err.h>
 #include <linux/slab.h>
 #include <linux/ctype.h>
-#include <linux/string.h>
 
 #if 0
 #define DEBUGP printk
@@ -402,8 +401,8 @@ int param_get_string(char *buffer, struct kernel_param *kp)
 }
 
 /* sysfs output in /sys/modules/XYZ/parameters/ */
-#define to_module_attr(n) container_of(n, struct module_attribute, attr);
-#define to_module_kobject(n) container_of(n, struct module_kobject, kobj);
+#define to_module_attr(n) container_of(n, struct module_attribute, attr)
+#define to_module_kobject(n) container_of(n, struct module_kobject, kobj)
 
 extern struct kernel_param __start___param[], __stop___param[];
 
@@ -421,7 +420,7 @@ struct module_param_attrs
 };
 
 #ifdef CONFIG_SYSFS
-#define to_param_attr(n) container_of(n, struct param_attribute, mattr);
+#define to_param_attr(n) container_of(n, struct param_attribute, mattr)
 
 static ssize_t param_attr_show(struct module_attribute *mattr,
 			       struct module *mod, char *buf)
@@ -517,6 +516,7 @@ static __modinit int add_sysfs_param(struct module_kobject *mk,
 	new->grp.attrs = attrs;
 
 	/* Tack new one on the end. */
+	sysfs_attr_init(&new->attrs[num].mattr.attr);
 	new->attrs[num].param = kp;
 	new->attrs[num].mattr.show = param_attr_show;
 	new->attrs[num].mattr.store = param_attr_store;
@@ -723,7 +723,7 @@ static ssize_t module_attr_store(struct kobject *kobj,
 	return ret;
 }
 
-static struct sysfs_ops module_sysfs_ops = {
+static const struct sysfs_ops module_sysfs_ops = {
 	.show = module_attr_show,
 	.store = module_attr_store,
 };
@@ -737,7 +737,7 @@ static int uevent_filter(struct kset *kset, struct kobject *kobj)
 	return 0;
 }
 
-static struct kset_uevent_ops module_uevent_ops = {
+static const struct kset_uevent_ops module_uevent_ops = {
 	.filter = uevent_filter,
 };
 
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index a661e7991865..574ee58a3046 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -56,21 +56,6 @@ static atomic_t nr_task_events __read_mostly;
  */
 int sysctl_perf_event_paranoid __read_mostly = 1;
 
-static inline bool perf_paranoid_tracepoint_raw(void)
-{
-	return sysctl_perf_event_paranoid > -1;
-}
-
-static inline bool perf_paranoid_cpu(void)
-{
-	return sysctl_perf_event_paranoid > 0;
-}
-
-static inline bool perf_paranoid_kernel(void)
-{
-	return sysctl_perf_event_paranoid > 1;
-}
-
 int sysctl_perf_event_mlock __read_mostly = 512; /* 'free' kb per user */
 
 /*
@@ -96,10 +81,6 @@ extern __weak const struct pmu *hw_perf_event_init(struct perf_event *event)
 void __weak hw_perf_disable(void)		{ barrier(); }
 void __weak hw_perf_enable(void)		{ barrier(); }
 
-void __weak hw_perf_event_setup(int cpu)	{ barrier(); }
-void __weak hw_perf_event_setup_online(int cpu)	{ barrier(); }
-void __weak hw_perf_event_setup_offline(int cpu)	{ barrier(); }
-
 int __weak
 hw_perf_group_sched_in(struct perf_event *group_leader,
 	       struct perf_cpu_context *cpuctx,
@@ -112,25 +93,15 @@ void __weak perf_event_print_debug(void)	{ }
 
 static DEFINE_PER_CPU(int, perf_disable_count);
 
-void __perf_disable(void)
-{
-	__get_cpu_var(perf_disable_count)++;
-}
-
-bool __perf_enable(void)
-{
-	return !--__get_cpu_var(perf_disable_count);
-}
-
 void perf_disable(void)
 {
-	__perf_disable();
-	hw_perf_disable();
+	if (!__get_cpu_var(perf_disable_count)++)
+		hw_perf_disable();
 }
 
 void perf_enable(void)
 {
-	if (__perf_enable())
+	if (!--__get_cpu_var(perf_disable_count))
 		hw_perf_enable();
 }
 
@@ -1553,12 +1524,15 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx)
 		 */
 		if (interrupts == MAX_INTERRUPTS) {
 			perf_log_throttle(event, 1);
+			perf_disable();
 			event->pmu->unthrottle(event);
+			perf_enable();
 		}
 
 		if (!event->attr.freq || !event->attr.sample_freq)
 			continue;
 
+		perf_disable();
 		event->pmu->read(event);
 		now = atomic64_read(&event->count);
 		delta = now - hwc->freq_count_stamp;
@@ -1566,6 +1540,7 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx)
 
 		if (delta > 0)
 			perf_adjust_period(event, TICK_NSEC, delta);
+		perf_enable();
 	}
 	raw_spin_unlock(&ctx->lock);
 }
@@ -1575,9 +1550,6 @@ static void perf_ctx_adjust_freq(struct perf_event_context *ctx)
  */
 static void rotate_ctx(struct perf_event_context *ctx)
 {
-	if (!ctx->nr_events)
-		return;
-
 	raw_spin_lock(&ctx->lock);
 
 	/* Rotate the first entry last of non-pinned groups */
@@ -1590,19 +1562,28 @@ void perf_event_task_tick(struct task_struct *curr)
 {
 	struct perf_cpu_context *cpuctx;
 	struct perf_event_context *ctx;
+	int rotate = 0;
 
 	if (!atomic_read(&nr_events))
 		return;
 
 	cpuctx = &__get_cpu_var(perf_cpu_context);
-	ctx = curr->perf_event_ctxp;
+	if (cpuctx->ctx.nr_events &&
+	    cpuctx->ctx.nr_events != cpuctx->ctx.nr_active)
+		rotate = 1;
 
-	perf_disable();
+	ctx = curr->perf_event_ctxp;
+	if (ctx && ctx->nr_events && ctx->nr_events != ctx->nr_active)
+		rotate = 1;
 
 	perf_ctx_adjust_freq(&cpuctx->ctx);
 	if (ctx)
 		perf_ctx_adjust_freq(ctx);
 
+	if (!rotate)
+		return;
+
+	perf_disable();
 	cpu_ctx_sched_out(cpuctx, EVENT_FLEXIBLE);
 	if (ctx)
 		task_ctx_sched_out(ctx, EVENT_FLEXIBLE);
@@ -1614,7 +1595,6 @@ void perf_event_task_tick(struct task_struct *curr)
 	cpu_ctx_sched_in(cpuctx, EVENT_FLEXIBLE);
 	if (ctx)
 		task_ctx_sched_in(curr, EVENT_FLEXIBLE);
-
 	perf_enable();
 }
 
@@ -2610,7 +2590,7 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma)
 	if (user_locked > user_lock_limit)
 		extra = user_locked - user_lock_limit;
 
-	lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+	lock_limit = rlimit(RLIMIT_MEMLOCK);
 	lock_limit >>= PAGE_SHIFT;
 	locked = vma->vm_mm->locked_vm + extra;
 
@@ -2806,6 +2786,13 @@ __weak struct perf_callchain_entry *perf_callchain(struct pt_regs *regs)
 	return NULL;
 }
 
+#ifdef CONFIG_EVENT_TRACING
+__weak
+void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip)
+{
+}
+#endif
+
 /*
  * Output
  */
@@ -4123,8 +4110,7 @@ void __perf_sw_event(u32 event_id, u64 nr, int nmi,
 	if (rctx < 0)
 		return;
 
-	data.addr = addr;
-	data.raw  = NULL;
+	perf_sample_data_init(&data, addr);
 
 	do_perf_sw_event(PERF_TYPE_SOFTWARE, event_id, nr, nmi, &data, regs);
 
@@ -4169,11 +4155,10 @@ static enum hrtimer_restart perf_swevent_hrtimer(struct hrtimer *hrtimer)
 	struct perf_event *event;
 	u64 period;
 
-	event	= container_of(hrtimer, struct perf_event, hw.hrtimer);
+	event = container_of(hrtimer, struct perf_event, hw.hrtimer);
 	event->pmu->read(event);
 
-	data.addr = 0;
-	data.raw = NULL;
+	perf_sample_data_init(&data, 0);
 	data.period = event->hw.last_period;
 	regs = get_irq_regs();
 	/*
@@ -4335,26 +4320,20 @@ static const struct pmu perf_ops_task_clock = {
 #ifdef CONFIG_EVENT_TRACING
 
 void perf_tp_event(int event_id, u64 addr, u64 count, void *record,
-			  int entry_size)
+		   int entry_size, struct pt_regs *regs)
 {
+	struct perf_sample_data data;
 	struct perf_raw_record raw = {
 		.size = entry_size,
 		.data = record,
 	};
 
-	struct perf_sample_data data = {
-		.addr = addr,
-		.raw = &raw,
-	};
-
-	struct pt_regs *regs = get_irq_regs();
-
-	if (!regs)
-		regs = task_pt_regs(current);
+	perf_sample_data_init(&data, addr);
+	data.raw = &raw;
 
 	/* Trace events already protected against recursion */
 	do_perf_sw_event(PERF_TYPE_TRACEPOINT, event_id, count, 1,
-				&data, regs);
+			 &data, regs);
 }
 EXPORT_SYMBOL_GPL(perf_tp_event);
 
@@ -4370,7 +4349,7 @@ static int perf_tp_event_match(struct perf_event *event,
 
 static void tp_perf_event_destroy(struct perf_event *event)
 {
-	ftrace_profile_disable(event->attr.config);
+	perf_trace_disable(event->attr.config);
 }
 
 static const struct pmu *tp_perf_event_init(struct perf_event *event)
@@ -4384,7 +4363,7 @@ static const struct pmu *tp_perf_event_init(struct perf_event *event)
 			!capable(CAP_SYS_ADMIN))
 		return ERR_PTR(-EPERM);
 
-	if (ftrace_profile_enable(event->attr.config))
+	if (perf_trace_enable(event->attr.config))
 		return NULL;
 
 	event->destroy = tp_perf_event_destroy;
@@ -4463,8 +4442,7 @@ void perf_bp_event(struct perf_event *bp, void *data)
 	struct perf_sample_data sample;
 	struct pt_regs *regs = data;
 
-	sample.raw = NULL;
-	sample.addr = bp->attr.bp_addr;
+	perf_sample_data_init(&sample, bp->attr.bp_addr);
 
 	if (!perf_exclude_event(bp, regs))
 		perf_swevent_add(bp, 1, 1, &sample, regs);
@@ -5392,18 +5370,26 @@ int perf_event_init_task(struct task_struct *child)
 	return ret;
 }
 
+static void __init perf_event_init_all_cpus(void)
+{
+	int cpu;
+	struct perf_cpu_context *cpuctx;
+
+	for_each_possible_cpu(cpu) {
+		cpuctx = &per_cpu(perf_cpu_context, cpu);
+		__perf_event_init_context(&cpuctx->ctx, NULL);
+	}
+}
+
 static void __cpuinit perf_event_init_cpu(int cpu)
 {
 	struct perf_cpu_context *cpuctx;
 
 	cpuctx = &per_cpu(perf_cpu_context, cpu);
-	__perf_event_init_context(&cpuctx->ctx, NULL);
 
 	spin_lock(&perf_resource_lock);
 	cpuctx->max_pertask = perf_max_events - perf_reserved_percpu;
 	spin_unlock(&perf_resource_lock);
-
-	hw_perf_event_setup(cpu);
 }
 
 #ifdef CONFIG_HOTPLUG_CPU
@@ -5443,20 +5429,11 @@ perf_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu)
 		perf_event_init_cpu(cpu);
 		break;
 
-	case CPU_ONLINE:
-	case CPU_ONLINE_FROZEN:
-		hw_perf_event_setup_online(cpu);
-		break;
-
 	case CPU_DOWN_PREPARE:
 	case CPU_DOWN_PREPARE_FROZEN:
 		perf_event_exit_cpu(cpu);
 		break;
 
-	case CPU_DEAD:
-		hw_perf_event_setup_offline(cpu);
-		break;
-
 	default:
 		break;
 	}
@@ -5474,6 +5451,7 @@ static struct notifier_block __cpuinitdata perf_cpu_nb = {
 
 void __init perf_event_init(void)
 {
+	perf_event_init_all_cpus();
 	perf_cpu_notify(&perf_cpu_nb, (unsigned long)CPU_UP_PREPARE,
 			(void *)(long)smp_processor_id());
 	perf_cpu_notify(&perf_cpu_nb, (unsigned long)CPU_ONLINE,
@@ -5481,13 +5459,16 @@ void __init perf_event_init(void)
 	register_cpu_notifier(&perf_cpu_nb);
 }
 
-static ssize_t perf_show_reserve_percpu(struct sysdev_class *class, char *buf)
+static ssize_t perf_show_reserve_percpu(struct sysdev_class *class,
+					struct sysdev_class_attribute *attr,
+					char *buf)
 {
 	return sprintf(buf, "%d\n", perf_reserved_percpu);
 }
 
 static ssize_t
 perf_set_reserve_percpu(struct sysdev_class *class,
+			struct sysdev_class_attribute *attr,
 			const char *buf,
 			size_t count)
 {
@@ -5516,13 +5497,17 @@ perf_set_reserve_percpu(struct sysdev_class *class,
 	return count;
 }
 
-static ssize_t perf_show_overcommit(struct sysdev_class *class, char *buf)
+static ssize_t perf_show_overcommit(struct sysdev_class *class,
+				    struct sysdev_class_attribute *attr,
+				    char *buf)
 {
 	return sprintf(buf, "%d\n", perf_overcommit);
 }
 
 static ssize_t
-perf_set_overcommit(struct sysdev_class *class, const char *buf, size_t count)
+perf_set_overcommit(struct sysdev_class *class,
+		    struct sysdev_class_attribute *attr,
+		    const char *buf, size_t count)
 {
 	unsigned long val;
 	int err;
diff --git a/kernel/pid.c b/kernel/pid.c
index b08e697cd83f..aebb30d9c233 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -367,7 +367,9 @@ struct task_struct *pid_task(struct pid *pid, enum pid_type type)
 	struct task_struct *result = NULL;
 	if (pid) {
 		struct hlist_node *first;
-		first = rcu_dereference_check(pid->tasks[type].first, rcu_read_lock_held() || lockdep_is_held(&tasklist_lock));
+		first = rcu_dereference_check(pid->tasks[type].first,
+					      rcu_read_lock_held() ||
+					      lockdep_tasklist_lock_is_held());
 		if (first)
 			result = hlist_entry(first, struct task_struct, pids[(type)].node);
 	}
@@ -376,7 +378,7 @@ struct task_struct *pid_task(struct pid *pid, enum pid_type type)
 EXPORT_SYMBOL(pid_task);
 
 /*
- * Must be called under rcu_read_lock() or with tasklist_lock read-held.
+ * Must be called under rcu_read_lock().
  */
 struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns)
 {
diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index 86b3796b0436..79aac93acf99 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -161,13 +161,12 @@ void zap_pid_ns_processes(struct pid_namespace *pid_ns)
 		rcu_read_lock();
 
 		/*
-		 * Use force_sig() since it clears SIGNAL_UNKILLABLE ensuring
-		 * any nested-container's init processes don't ignore the
-		 * signal
+		 * Any nested-container's init processes won't ignore the
+		 * SEND_SIG_NOINFO signal, see send_signal()->si_fromuser().
 		 */
 		task = pid_task(find_vpid(nr), PIDTYPE_PID);
 		if (task)
-			force_sig(SIGKILL, task);
+			send_sig_info(SIGKILL, SEND_SIG_NOINFO, task);
 
 		rcu_read_unlock();
 
diff --git a/kernel/posix-cpu-timers.c b/kernel/posix-cpu-timers.c
index 438ff4523513..bc7704b3a443 100644
--- a/kernel/posix-cpu-timers.c
+++ b/kernel/posix-cpu-timers.c
@@ -982,6 +982,7 @@ static void check_thread_timers(struct task_struct *tsk,
 	int maxfire;
 	struct list_head *timers = tsk->cpu_timers;
 	struct signal_struct *const sig = tsk->signal;
+	unsigned long soft;
 
 	maxfire = 20;
 	tsk->cputime_expires.prof_exp = cputime_zero;
@@ -1030,9 +1031,10 @@ static void check_thread_timers(struct task_struct *tsk,
 	/*
 	 * Check for the special case thread timers.
 	 */
-	if (sig->rlim[RLIMIT_RTTIME].rlim_cur != RLIM_INFINITY) {
-		unsigned long hard = sig->rlim[RLIMIT_RTTIME].rlim_max;
-		unsigned long *soft = &sig->rlim[RLIMIT_RTTIME].rlim_cur;
+	soft = ACCESS_ONCE(sig->rlim[RLIMIT_RTTIME].rlim_cur);
+	if (soft != RLIM_INFINITY) {
+		unsigned long hard =
+			ACCESS_ONCE(sig->rlim[RLIMIT_RTTIME].rlim_max);
 
 		if (hard != RLIM_INFINITY &&
 		    tsk->rt.timeout > DIV_ROUND_UP(hard, USEC_PER_SEC/HZ)) {
@@ -1043,14 +1045,13 @@ static void check_thread_timers(struct task_struct *tsk,
 			__group_send_sig_info(SIGKILL, SEND_SIG_PRIV, tsk);
 			return;
 		}
-		if (tsk->rt.timeout > DIV_ROUND_UP(*soft, USEC_PER_SEC/HZ)) {
+		if (tsk->rt.timeout > DIV_ROUND_UP(soft, USEC_PER_SEC/HZ)) {
 			/*
 			 * At the soft limit, send a SIGXCPU every second.
 			 */
-			if (sig->rlim[RLIMIT_RTTIME].rlim_cur
-			    < sig->rlim[RLIMIT_RTTIME].rlim_max) {
-				sig->rlim[RLIMIT_RTTIME].rlim_cur +=
-								USEC_PER_SEC;
+			if (soft < hard) {
+				soft += USEC_PER_SEC;
+				sig->rlim[RLIMIT_RTTIME].rlim_cur = soft;
 			}
 			printk(KERN_INFO
 				"RT Watchdog Timeout: %s[%d]\n",
@@ -1060,9 +1061,9 @@ static void check_thread_timers(struct task_struct *tsk,
 	}
 }
 
-static void stop_process_timers(struct task_struct *tsk)
+static void stop_process_timers(struct signal_struct *sig)
 {
-	struct thread_group_cputimer *cputimer = &tsk->signal->cputimer;
+	struct thread_group_cputimer *cputimer = &sig->cputimer;
 	unsigned long flags;
 
 	if (!cputimer->running)
@@ -1071,6 +1072,10 @@ static void stop_process_timers(struct task_struct *tsk)
 	spin_lock_irqsave(&cputimer->lock, flags);
 	cputimer->running = 0;
 	spin_unlock_irqrestore(&cputimer->lock, flags);
+
+	sig->cputime_expires.prof_exp = cputime_zero;
+	sig->cputime_expires.virt_exp = cputime_zero;
+	sig->cputime_expires.sched_exp = 0;
 }
 
 static u32 onecputick;
@@ -1121,6 +1126,7 @@ static void check_process_timers(struct task_struct *tsk,
 	unsigned long long sum_sched_runtime, sched_expires;
 	struct list_head *timers = sig->cpu_timers;
 	struct task_cputime cputime;
+	unsigned long soft;
 
 	/*
 	 * Don't sample the current process CPU clocks if there are no timers.
@@ -1131,7 +1137,7 @@ static void check_process_timers(struct task_struct *tsk,
 	    list_empty(&timers[CPUCLOCK_VIRT]) &&
 	    cputime_eq(sig->it[CPUCLOCK_VIRT].expires, cputime_zero) &&
 	    list_empty(&timers[CPUCLOCK_SCHED])) {
-		stop_process_timers(tsk);
+		stop_process_timers(sig);
 		return;
 	}
 
@@ -1193,11 +1199,13 @@ static void check_process_timers(struct task_struct *tsk,
 			 SIGPROF);
 	check_cpu_itimer(tsk, &sig->it[CPUCLOCK_VIRT], &virt_expires, utime,
 			 SIGVTALRM);
-
-	if (sig->rlim[RLIMIT_CPU].rlim_cur != RLIM_INFINITY) {
+	soft = ACCESS_ONCE(sig->rlim[RLIMIT_CPU].rlim_cur);
+	if (soft != RLIM_INFINITY) {
 		unsigned long psecs = cputime_to_secs(ptime);
+		unsigned long hard =
+			ACCESS_ONCE(sig->rlim[RLIMIT_CPU].rlim_max);
 		cputime_t x;
-		if (psecs >= sig->rlim[RLIMIT_CPU].rlim_max) {
+		if (psecs >= hard) {
 			/*
 			 * At the hard limit, we just die.
 			 * No need to calculate anything else now.
@@ -1205,17 +1213,17 @@ static void check_process_timers(struct task_struct *tsk,
 			__group_send_sig_info(SIGKILL, SEND_SIG_PRIV, tsk);
 			return;
 		}
-		if (psecs >= sig->rlim[RLIMIT_CPU].rlim_cur) {
+		if (psecs >= soft) {
 			/*
 			 * At the soft limit, send a SIGXCPU every second.
 			 */
 			__group_send_sig_info(SIGXCPU, SEND_SIG_PRIV, tsk);
-			if (sig->rlim[RLIMIT_CPU].rlim_cur
-			    < sig->rlim[RLIMIT_CPU].rlim_max) {
-				sig->rlim[RLIMIT_CPU].rlim_cur++;
+			if (soft < hard) {
+				soft++;
+				sig->rlim[RLIMIT_CPU].rlim_cur = soft;
 			}
 		}
-		x = secs_to_cputime(sig->rlim[RLIMIT_CPU].rlim_cur);
+		x = secs_to_cputime(soft);
 		if (cputime_eq(prof_expires, cputime_zero) ||
 		    cputime_lt(x, prof_expires)) {
 			prof_expires = x;
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index bbfe472d7524..da5288ec2392 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -323,6 +323,7 @@ static int create_image(int platform_mode)
 int hibernation_snapshot(int platform_mode)
 {
 	int error;
+	gfp_t saved_mask;
 
 	error = platform_begin(platform_mode);
 	if (error)
@@ -334,6 +335,7 @@ int hibernation_snapshot(int platform_mode)
 		goto Close;
 
 	suspend_console();
+	saved_mask = clear_gfp_allowed_mask(GFP_IOFS);
 	error = dpm_suspend_start(PMSG_FREEZE);
 	if (error)
 		goto Recover_platform;
@@ -351,6 +353,7 @@ int hibernation_snapshot(int platform_mode)
 
 	dpm_resume_end(in_suspend ?
 		(error ? PMSG_RECOVER : PMSG_THAW) : PMSG_RESTORE);
+	set_gfp_allowed_mask(saved_mask);
 	resume_console();
  Close:
 	platform_end(platform_mode);
@@ -445,14 +448,17 @@ static int resume_target_kernel(bool platform_mode)
 int hibernation_restore(int platform_mode)
 {
 	int error;
+	gfp_t saved_mask;
 
 	pm_prepare_console();
 	suspend_console();
+	saved_mask = clear_gfp_allowed_mask(GFP_IOFS);
 	error = dpm_suspend_start(PMSG_QUIESCE);
 	if (!error) {
 		error = resume_target_kernel(platform_mode);
 		dpm_resume_end(PMSG_RECOVER);
 	}
+	set_gfp_allowed_mask(saved_mask);
 	resume_console();
 	pm_restore_console();
 	return error;
@@ -466,6 +472,7 @@ int hibernation_restore(int platform_mode)
 int hibernation_platform_enter(void)
 {
 	int error;
+	gfp_t saved_mask;
 
 	if (!hibernation_ops)
 		return -ENOSYS;
@@ -481,6 +488,7 @@ int hibernation_platform_enter(void)
 
 	entering_platform_hibernation = true;
 	suspend_console();
+	saved_mask = clear_gfp_allowed_mask(GFP_IOFS);
 	error = dpm_suspend_start(PMSG_HIBERNATE);
 	if (error) {
 		if (hibernation_ops->recover)
@@ -518,6 +526,7 @@ int hibernation_platform_enter(void)
  Resume_devices:
 	entering_platform_hibernation = false;
 	dpm_resume_end(PMSG_RESTORE);
+	set_gfp_allowed_mask(saved_mask);
 	resume_console();
 
  Close:
diff --git a/kernel/power/process.c b/kernel/power/process.c
index 5ade1bdcf366..71ae29052ab6 100644
--- a/kernel/power/process.c
+++ b/kernel/power/process.c
@@ -88,12 +88,11 @@ static int try_to_freeze_tasks(bool sig_only)
 		printk(KERN_ERR "Freezing of tasks failed after %d.%02d seconds "
 				"(%d tasks refusing to freeze):\n",
 				elapsed_csecs / 100, elapsed_csecs % 100, todo);
-		show_state();
 		read_lock(&tasklist_lock);
 		do_each_thread(g, p) {
 			task_lock(p);
 			if (freezing(p) && !freezer_should_skip(p))
-				printk(KERN_ERR " %s\n", p->comm);
+				sched_show_task(p);
 			cancel_freezing(p);
 			task_unlock(p);
 		} while_each_thread(g, p);
@@ -145,7 +144,7 @@ static void thaw_tasks(bool nosig_only)
 		if (nosig_only && should_send_signal(p))
 			continue;
 
-		if (cgroup_frozen(p))
+		if (cgroup_freezing_or_frozen(p))
 			continue;
 
 		thaw_process(p);
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index 6f10dfc2d3e9..44cce10b582d 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -189,6 +189,7 @@ static int suspend_enter(suspend_state_t state)
 int suspend_devices_and_enter(suspend_state_t state)
 {
 	int error;
+	gfp_t saved_mask;
 
 	if (!suspend_ops)
 		return -ENOSYS;
@@ -199,6 +200,7 @@ int suspend_devices_and_enter(suspend_state_t state)
 			goto Close;
 	}
 	suspend_console();
+	saved_mask = clear_gfp_allowed_mask(GFP_IOFS);
 	suspend_test_start();
 	error = dpm_suspend_start(PMSG_SUSPEND);
 	if (error) {
@@ -215,6 +217,7 @@ int suspend_devices_and_enter(suspend_state_t state)
 	suspend_test_start();
 	dpm_resume_end(PMSG_RESUME);
 	suspend_test_finish("resume devices");
+	set_gfp_allowed_mask(saved_mask);
 	resume_console();
  Close:
 	if (suspend_ops->end)
diff --git a/kernel/printk.c b/kernel/printk.c
index 1751c456b71f..75077ad0b537 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -35,6 +35,7 @@
 #include <linux/kexec.h>
 #include <linux/ratelimit.h>
 #include <linux/kmsg_dump.h>
+#include <linux/syslog.h>
 
 #include <asm/uaccess.h>
 
@@ -69,8 +70,6 @@ int console_printk[4] = {
 	DEFAULT_CONSOLE_LOGLEVEL,	/* default_console_loglevel */
 };
 
-static int saved_console_loglevel = -1;
-
 /*
  * Low level drivers may need that to know if they can schedule in
  * their unblank() callback or not. So let's export it.
@@ -145,6 +144,7 @@ static char __log_buf[__LOG_BUF_LEN];
 static char *log_buf = __log_buf;
 static int log_buf_len = __LOG_BUF_LEN;
 static unsigned logged_chars; /* Number of chars produced since last read+clear operation */
+static int saved_console_loglevel = -1;
 
 #ifdef CONFIG_KEXEC
 /*
@@ -258,38 +258,23 @@ static inline void boot_delay_msec(void)
 }
 #endif
 
-/*
- * Commands to do_syslog:
- *
- * 	0 -- Close the log.  Currently a NOP.
- * 	1 -- Open the log. Currently a NOP.
- * 	2 -- Read from the log.
- * 	3 -- Read all messages remaining in the ring buffer.
- * 	4 -- Read and clear all messages remaining in the ring buffer
- * 	5 -- Clear ring buffer.
- * 	6 -- Disable printk's to console
- * 	7 -- Enable printk's to console
- *	8 -- Set level of messages printed to console
- *	9 -- Return number of unread characters in the log buffer
- *     10 -- Return size of the log buffer
- */
-int do_syslog(int type, char __user *buf, int len)
+int do_syslog(int type, char __user *buf, int len, bool from_file)
 {
 	unsigned i, j, limit, count;
 	int do_clear = 0;
 	char c;
 	int error = 0;
 
-	error = security_syslog(type);
+	error = security_syslog(type, from_file);
 	if (error)
 		return error;
 
 	switch (type) {
-	case 0:		/* Close log */
+	case SYSLOG_ACTION_CLOSE:	/* Close log */
 		break;
-	case 1:		/* Open log */
+	case SYSLOG_ACTION_OPEN:	/* Open log */
 		break;
-	case 2:		/* Read from log */
+	case SYSLOG_ACTION_READ:	/* Read from log */
 		error = -EINVAL;
 		if (!buf || len < 0)
 			goto out;
@@ -320,10 +305,12 @@ int do_syslog(int type, char __user *buf, int len)
 		if (!error)
 			error = i;
 		break;
-	case 4:		/* Read/clear last kernel messages */
+	/* Read/clear last kernel messages */
+	case SYSLOG_ACTION_READ_CLEAR:
 		do_clear = 1;
 		/* FALL THRU */
-	case 3:		/* Read last kernel messages */
+	/* Read last kernel messages */
+	case SYSLOG_ACTION_READ_ALL:
 		error = -EINVAL;
 		if (!buf || len < 0)
 			goto out;
@@ -376,21 +363,25 @@ int do_syslog(int type, char __user *buf, int len)
 			}
 		}
 		break;
-	case 5:		/* Clear ring buffer */
+	/* Clear ring buffer */
+	case SYSLOG_ACTION_CLEAR:
 		logged_chars = 0;
 		break;
-	case 6:		/* Disable logging to console */
+	/* Disable logging to console */
+	case SYSLOG_ACTION_CONSOLE_OFF:
 		if (saved_console_loglevel == -1)
 			saved_console_loglevel = console_loglevel;
 		console_loglevel = minimum_console_loglevel;
 		break;
-	case 7:		/* Enable logging to console */
+	/* Enable logging to console */
+	case SYSLOG_ACTION_CONSOLE_ON:
 		if (saved_console_loglevel != -1) {
 			console_loglevel = saved_console_loglevel;
 			saved_console_loglevel = -1;
 		}
 		break;
-	case 8:		/* Set level of messages printed to console */
+	/* Set level of messages printed to console */
+	case SYSLOG_ACTION_CONSOLE_LEVEL:
 		error = -EINVAL;
 		if (len < 1 || len > 8)
 			goto out;
@@ -401,10 +392,12 @@ int do_syslog(int type, char __user *buf, int len)
 		saved_console_loglevel = -1;
 		error = 0;
 		break;
-	case 9:		/* Number of chars in the log buffer */
+	/* Number of chars in the log buffer */
+	case SYSLOG_ACTION_SIZE_UNREAD:
 		error = log_end - log_start;
 		break;
-	case 10:	/* Size of the log buffer */
+	/* Size of the log buffer */
+	case SYSLOG_ACTION_SIZE_BUFFER:
 		error = log_buf_len;
 		break;
 	default:
@@ -417,7 +410,7 @@ out:
 
 SYSCALL_DEFINE3(syslog, int, type, char __user *, buf, int, len)
 {
-	return do_syslog(type, buf, len);
+	return do_syslog(type, buf, len, SYSLOG_FROM_CALL);
 }
 
 /*
diff --git a/kernel/range.c b/kernel/range.c
new file mode 100644
index 000000000000..74e2e6114927
--- /dev/null
+++ b/kernel/range.c
@@ -0,0 +1,163 @@
+/*
+ * Range add and subtract
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/sort.h>
+
+#include <linux/range.h>
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#endif
+
+int add_range(struct range *range, int az, int nr_range, u64 start, u64 end)
+{
+	if (start >= end)
+		return nr_range;
+
+	/* Out of slots: */
+	if (nr_range >= az)
+		return nr_range;
+
+	range[nr_range].start = start;
+	range[nr_range].end = end;
+
+	nr_range++;
+
+	return nr_range;
+}
+
+int add_range_with_merge(struct range *range, int az, int nr_range,
+		     u64 start, u64 end)
+{
+	int i;
+
+	if (start >= end)
+		return nr_range;
+
+	/* Try to merge it with old one: */
+	for (i = 0; i < nr_range; i++) {
+		u64 final_start, final_end;
+		u64 common_start, common_end;
+
+		if (!range[i].end)
+			continue;
+
+		common_start = max(range[i].start, start);
+		common_end = min(range[i].end, end);
+		if (common_start > common_end)
+			continue;
+
+		final_start = min(range[i].start, start);
+		final_end = max(range[i].end, end);
+
+		range[i].start = final_start;
+		range[i].end =  final_end;
+		return nr_range;
+	}
+
+	/* Need to add it: */
+	return add_range(range, az, nr_range, start, end);
+}
+
+void subtract_range(struct range *range, int az, u64 start, u64 end)
+{
+	int i, j;
+
+	if (start >= end)
+		return;
+
+	for (j = 0; j < az; j++) {
+		if (!range[j].end)
+			continue;
+
+		if (start <= range[j].start && end >= range[j].end) {
+			range[j].start = 0;
+			range[j].end = 0;
+			continue;
+		}
+
+		if (start <= range[j].start && end < range[j].end &&
+		    range[j].start < end) {
+			range[j].start = end;
+			continue;
+		}
+
+
+		if (start > range[j].start && end >= range[j].end &&
+		    range[j].end > start) {
+			range[j].end = start;
+			continue;
+		}
+
+		if (start > range[j].start && end < range[j].end) {
+			/* Find the new spare: */
+			for (i = 0; i < az; i++) {
+				if (range[i].end == 0)
+					break;
+			}
+			if (i < az) {
+				range[i].end = range[j].end;
+				range[i].start = end;
+			} else {
+				printk(KERN_ERR "run of slot in ranges\n");
+			}
+			range[j].end = start;
+			continue;
+		}
+	}
+}
+
+static int cmp_range(const void *x1, const void *x2)
+{
+	const struct range *r1 = x1;
+	const struct range *r2 = x2;
+	s64 start1, start2;
+
+	start1 = r1->start;
+	start2 = r2->start;
+
+	return start1 - start2;
+}
+
+int clean_sort_range(struct range *range, int az)
+{
+	int i, j, k = az - 1, nr_range = 0;
+
+	for (i = 0; i < k; i++) {
+		if (range[i].end)
+			continue;
+		for (j = k; j > i; j--) {
+			if (range[j].end) {
+				k = j;
+				break;
+			}
+		}
+		if (j == i)
+			break;
+		range[i].start = range[k].start;
+		range[i].end   = range[k].end;
+		range[k].start = 0;
+		range[k].end   = 0;
+		k--;
+	}
+	/* count it */
+	for (i = 0; i < az; i++) {
+		if (!range[i].end) {
+			nr_range = i;
+			break;
+		}
+	}
+
+	/* sort them */
+	sort(range, nr_range, sizeof(struct range), cmp_range, NULL);
+
+	return nr_range;
+}
+
+void sort_range(struct range *range, int nr_range)
+{
+	/* sort them */
+	sort(range, nr_range, sizeof(struct range), cmp_range, NULL);
+}
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c
index f1125c1a6321..63fe25433980 100644
--- a/kernel/rcupdate.c
+++ b/kernel/rcupdate.c
@@ -45,6 +45,7 @@
 #include <linux/mutex.h>
 #include <linux/module.h>
 #include <linux/kernel_stat.h>
+#include <linux/hardirq.h>
 
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
 static struct lock_class_key rcu_lock_key;
@@ -66,6 +67,28 @@ EXPORT_SYMBOL_GPL(rcu_sched_lock_map);
 int rcu_scheduler_active __read_mostly;
 EXPORT_SYMBOL_GPL(rcu_scheduler_active);
 
+#ifdef CONFIG_DEBUG_LOCK_ALLOC
+
+/**
+ * rcu_read_lock_bh_held - might we be in RCU-bh read-side critical section?
+ *
+ * Check for bottom half being disabled, which covers both the
+ * CONFIG_PROVE_RCU and not cases.  Note that if someone uses
+ * rcu_read_lock_bh(), but then later enables BH, lockdep (if enabled)
+ * will show the situation.
+ *
+ * Check debug_lockdep_rcu_enabled() to prevent false positives during boot.
+ */
+int rcu_read_lock_bh_held(void)
+{
+	if (!debug_lockdep_rcu_enabled())
+		return 1;
+	return in_softirq();
+}
+EXPORT_SYMBOL_GPL(rcu_read_lock_bh_held);
+
+#endif /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */
+
 /*
  * This function is invoked towards the end of the scheduler's initialization
  * process.  Before this is called, the idle task might contain
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 258cdf0a91eb..58df55bf83ed 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -818,13 +818,13 @@ static void rcu_torture_timer(unsigned long unused)
 		/* Should not happen, but... */
 		pipe_count = RCU_TORTURE_PIPE_LEN;
 	}
-	__this_cpu_inc(per_cpu_var(rcu_torture_count)[pipe_count]);
+	__this_cpu_inc(rcu_torture_count[pipe_count]);
 	completed = cur_ops->completed() - completed;
 	if (completed > RCU_TORTURE_PIPE_LEN) {
 		/* Should not happen, but... */
 		completed = RCU_TORTURE_PIPE_LEN;
 	}
-	__this_cpu_inc(per_cpu_var(rcu_torture_batch)[completed]);
+	__this_cpu_inc(rcu_torture_batch[completed]);
 	preempt_enable();
 	cur_ops->readunlock(idx);
 }
@@ -877,13 +877,13 @@ rcu_torture_reader(void *arg)
 			/* Should not happen, but... */
 			pipe_count = RCU_TORTURE_PIPE_LEN;
 		}
-		__this_cpu_inc(per_cpu_var(rcu_torture_count)[pipe_count]);
+		__this_cpu_inc(rcu_torture_count[pipe_count]);
 		completed = cur_ops->completed() - completed;
 		if (completed > RCU_TORTURE_PIPE_LEN) {
 			/* Should not happen, but... */
 			completed = RCU_TORTURE_PIPE_LEN;
 		}
-		__this_cpu_inc(per_cpu_var(rcu_torture_batch)[completed]);
+		__this_cpu_inc(rcu_torture_batch[completed]);
 		preempt_enable();
 		cur_ops->readunlock(idx);
 		schedule();
diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 1439eb504c22..4a525a30e08e 100644
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -246,12 +246,21 @@ struct rcu_data {
 
 #define RCU_JIFFIES_TILL_FORCE_QS	 3	/* for rsp->jiffies_force_qs */
 #ifdef CONFIG_RCU_CPU_STALL_DETECTOR
-#define RCU_SECONDS_TILL_STALL_CHECK   (10 * HZ)  /* for rsp->jiffies_stall */
-#define RCU_SECONDS_TILL_STALL_RECHECK (30 * HZ)  /* for rsp->jiffies_stall */
-#define RCU_STALL_RAT_DELAY		2	  /* Allow other CPUs time */
-						  /*  to take at least one */
-						  /*  scheduling clock irq */
-						  /*  before ratting on them. */
+
+#ifdef CONFIG_PROVE_RCU
+#define RCU_STALL_DELAY_DELTA	       (5 * HZ)
+#else
+#define RCU_STALL_DELAY_DELTA	       0
+#endif
+
+#define RCU_SECONDS_TILL_STALL_CHECK   (10 * HZ + RCU_STALL_DELAY_DELTA)
+						/* for rsp->jiffies_stall */
+#define RCU_SECONDS_TILL_STALL_RECHECK (30 * HZ + RCU_STALL_DELAY_DELTA)
+						/* for rsp->jiffies_stall */
+#define RCU_STALL_RAT_DELAY		2	/* Allow other CPUs time */
+						/*  to take at least one */
+						/*  scheduling clock irq */
+						/*  before ratting on them. */
 
 #endif /* #ifdef CONFIG_RCU_CPU_STALL_DETECTOR */
 
diff --git a/kernel/rcutree_plugin.h b/kernel/rcutree_plugin.h
index 464ad2cdee00..79b53bda8943 100644
--- a/kernel/rcutree_plugin.h
+++ b/kernel/rcutree_plugin.h
@@ -1010,6 +1010,10 @@ int rcu_needs_cpu(int cpu)
 	int c = 0;
 	int thatcpu;
 
+	/* Check for being in the holdoff period. */
+	if (per_cpu(rcu_dyntick_holdoff, cpu) == jiffies)
+		return rcu_needs_cpu_quick_check(cpu);
+
 	/* Don't bother unless we are the last non-dyntick-idle CPU. */
 	for_each_cpu_not(thatcpu, nohz_cpu_mask)
 		if (thatcpu != cpu) {
@@ -1041,10 +1045,8 @@ int rcu_needs_cpu(int cpu)
 	}
 
 	/* If RCU callbacks are still pending, RCU still needs this CPU. */
-	if (c) {
+	if (c)
 		raise_softirq(RCU_SOFTIRQ);
-		per_cpu(rcu_dyntick_holdoff, cpu) = jiffies;
-	}
 	return c;
 }
 
diff --git a/kernel/relay.c b/kernel/relay.c
index c705a41b4ba3..3d97f2821611 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1215,14 +1215,14 @@ static void relay_page_release(struct splice_pipe_desc *spd, unsigned int i)
 /*
  *	subbuf_splice_actor - splice up to one subbuf's worth of data
  */
-static int subbuf_splice_actor(struct file *in,
+static ssize_t subbuf_splice_actor(struct file *in,
 			       loff_t *ppos,
 			       struct pipe_inode_info *pipe,
 			       size_t len,
 			       unsigned int flags,
 			       int *nonpad_ret)
 {
-	unsigned int pidx, poff, total_len, subbuf_pages, nr_pages, ret;
+	unsigned int pidx, poff, total_len, subbuf_pages, nr_pages;
 	struct rchan_buf *rbuf = in->private_data;
 	unsigned int subbuf_size = rbuf->chan->subbuf_size;
 	uint64_t pos = (uint64_t) *ppos;
@@ -1241,6 +1241,7 @@ static int subbuf_splice_actor(struct file *in,
 		.ops = &relay_pipe_buf_ops,
 		.spd_release = relay_page_release,
 	};
+	ssize_t ret;
 
 	if (rbuf->subbufs_produced == rbuf->subbufs_consumed)
 		return 0;
diff --git a/kernel/resource.c b/kernel/resource.c
index 4e9d87fd7bc5..9c358e263534 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -219,19 +219,34 @@ void release_child_resources(struct resource *r)
 }
 
 /**
- * request_resource - request and reserve an I/O or memory resource
+ * request_resource_conflict - request and reserve an I/O or memory resource
  * @root: root resource descriptor
  * @new: resource descriptor desired by caller
  *
- * Returns 0 for success, negative error code on error.
+ * Returns 0 for success, conflict resource on error.
  */
-int request_resource(struct resource *root, struct resource *new)
+struct resource *request_resource_conflict(struct resource *root, struct resource *new)
 {
 	struct resource *conflict;
 
 	write_lock(&resource_lock);
 	conflict = __request_resource(root, new);
 	write_unlock(&resource_lock);
+	return conflict;
+}
+
+/**
+ * request_resource - request and reserve an I/O or memory resource
+ * @root: root resource descriptor
+ * @new: resource descriptor desired by caller
+ *
+ * Returns 0 for success, negative error code on error.
+ */
+int request_resource(struct resource *root, struct resource *new)
+{
+	struct resource *conflict;
+
+	conflict = request_resource_conflict(root, new);
 	return conflict ? -EBUSY : 0;
 }
 
@@ -304,7 +319,7 @@ int walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages,
 		void *arg, int (*func)(unsigned long, unsigned long, void *))
 {
 	struct resource res;
-	unsigned long pfn, len;
+	unsigned long pfn, end_pfn;
 	u64 orig_end;
 	int ret = -1;
 
@@ -314,9 +329,10 @@ int walk_system_ram_range(unsigned long start_pfn, unsigned long nr_pages,
 	orig_end = res.end;
 	while ((res.start < res.end) &&
 		(find_next_system_ram(&res, "System RAM") >= 0)) {
-		pfn = (unsigned long)(res.start >> PAGE_SHIFT);
-		len = (unsigned long)((res.end + 1 - res.start) >> PAGE_SHIFT);
-		ret = (*func)(pfn, len, arg);
+		pfn = (res.start + PAGE_SIZE - 1) >> PAGE_SHIFT;
+		end_pfn = (res.end + 1) >> PAGE_SHIFT;
+		if (end_pfn > pfn)
+			ret = (*func)(pfn, end_pfn - pfn, arg);
 		if (ret)
 			break;
 		res.start = res.end + 1;
@@ -473,25 +489,40 @@ static struct resource * __insert_resource(struct resource *parent, struct resou
 }
 
 /**
- * insert_resource - Inserts a resource in the resource tree
+ * insert_resource_conflict - Inserts resource in the resource tree
  * @parent: parent of the new resource
  * @new: new resource to insert
  *
- * Returns 0 on success, -EBUSY if the resource can't be inserted.
+ * Returns 0 on success, conflict resource if the resource can't be inserted.
  *
- * This function is equivalent to request_resource when no conflict
+ * This function is equivalent to request_resource_conflict when no conflict
  * happens. If a conflict happens, and the conflicting resources
  * entirely fit within the range of the new resource, then the new
  * resource is inserted and the conflicting resources become children of
  * the new resource.
  */
-int insert_resource(struct resource *parent, struct resource *new)
+struct resource *insert_resource_conflict(struct resource *parent, struct resource *new)
 {
 	struct resource *conflict;
 
 	write_lock(&resource_lock);
 	conflict = __insert_resource(parent, new);
 	write_unlock(&resource_lock);
+	return conflict;
+}
+
+/**
+ * insert_resource - Inserts a resource in the resource tree
+ * @parent: parent of the new resource
+ * @new: new resource to insert
+ *
+ * Returns 0 on success, -EBUSY if the resource can't be inserted.
+ */
+int insert_resource(struct resource *parent, struct resource *new)
+{
+	struct resource *conflict;
+
+	conflict = insert_resource_conflict(parent, new);
 	return conflict ? -EBUSY : 0;
 }
 
diff --git a/kernel/sched.c b/kernel/sched.c
index 6a212c97f523..49d2fa7b687a 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1521,7 +1521,7 @@ static unsigned long cpu_avg_load_per_task(int cpu)
 
 #ifdef CONFIG_FAIR_GROUP_SCHED
 
-static __read_mostly unsigned long *update_shares_data;
+static __read_mostly unsigned long __percpu *update_shares_data;
 
 static void __set_se_shares(struct sched_entity *se, unsigned long shares);
 
@@ -2359,7 +2359,7 @@ static int try_to_wake_up(struct task_struct *p, unsigned int state,
 {
 	int cpu, orig_cpu, this_cpu, success = 0;
 	unsigned long flags;
-	struct rq *rq, *orig_rq;
+	struct rq *rq;
 
 	if (!sched_feat(SYNC_WAKEUPS))
 		wake_flags &= ~WF_SYNC;
@@ -2367,7 +2367,7 @@ static int try_to_wake_up(struct task_struct *p, unsigned int state,
 	this_cpu = get_cpu();
 
 	smp_wmb();
-	rq = orig_rq = task_rq_lock(p, &flags);
+	rq = task_rq_lock(p, &flags);
 	update_rq_clock(rq);
 	if (!(p->state & state))
 		goto out;
@@ -2650,7 +2650,7 @@ void wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
 {
 	unsigned long flags;
 	struct rq *rq;
-	int cpu = get_cpu();
+	int cpu __maybe_unused = get_cpu();
 
 #ifdef CONFIG_SMP
 	/*
@@ -4353,7 +4353,7 @@ int can_nice(const struct task_struct *p, const int nice)
 	/* convert nice value [19,-20] to rlimit style value [1,40] */
 	int nice_rlim = 20 - nice;
 
-	return (nice_rlim <= p->signal->rlim[RLIMIT_NICE].rlim_cur ||
+	return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) ||
 		capable(CAP_SYS_NICE));
 }
 
@@ -4530,7 +4530,7 @@ recheck:
 
 			if (!lock_task_sighand(p, &flags))
 				return -ESRCH;
-			rlim_rtprio = p->signal->rlim[RLIMIT_RTPRIO].rlim_cur;
+			rlim_rtprio = task_rlimit(p, RLIMIT_RTPRIO);
 			unlock_task_sighand(p, &flags);
 
 			/* can't set/change the rt policy */
@@ -4902,7 +4902,9 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len,
 	int ret;
 	cpumask_var_t mask;
 
-	if (len < cpumask_size())
+	if (len < nr_cpu_ids)
+		return -EINVAL;
+	if (len & (sizeof(unsigned long)-1))
 		return -EINVAL;
 
 	if (!alloc_cpumask_var(&mask, GFP_KERNEL))
@@ -4910,10 +4912,12 @@ SYSCALL_DEFINE3(sched_getaffinity, pid_t, pid, unsigned int, len,
 
 	ret = sched_getaffinity(pid, mask);
 	if (ret == 0) {
-		if (copy_to_user(user_mask_ptr, mask, cpumask_size()))
+		size_t retlen = min_t(size_t, len, cpumask_size());
+
+		if (copy_to_user(user_mask_ptr, mask, retlen))
 			ret = -EFAULT;
 		else
-			ret = cpumask_size();
+			ret = retlen;
 	}
 	free_cpumask_var(mask);
 
@@ -7406,11 +7410,13 @@ static ssize_t sched_power_savings_store(const char *buf, size_t count, int smt)
 
 #ifdef CONFIG_SCHED_MC
 static ssize_t sched_mc_power_savings_show(struct sysdev_class *class,
+					   struct sysdev_class_attribute *attr,
 					   char *page)
 {
 	return sprintf(page, "%u\n", sched_mc_power_savings);
 }
 static ssize_t sched_mc_power_savings_store(struct sysdev_class *class,
+					    struct sysdev_class_attribute *attr,
 					    const char *buf, size_t count)
 {
 	return sched_power_savings_store(buf, count, 0);
@@ -7422,11 +7428,13 @@ static SYSDEV_CLASS_ATTR(sched_mc_power_savings, 0644,
 
 #ifdef CONFIG_SCHED_SMT
 static ssize_t sched_smt_power_savings_show(struct sysdev_class *dev,
+					    struct sysdev_class_attribute *attr,
 					    char *page)
 {
 	return sprintf(page, "%u\n", sched_smt_power_savings);
 }
 static ssize_t sched_smt_power_savings_store(struct sysdev_class *dev,
+					     struct sysdev_class_attribute *attr,
 					     const char *buf, size_t count)
 {
 	return sched_power_savings_store(buf, count, 1);
@@ -8813,7 +8821,7 @@ struct cgroup_subsys cpu_cgroup_subsys = {
 struct cpuacct {
 	struct cgroup_subsys_state css;
 	/* cpuusage holds pointer to a u64-type object on every cpu */
-	u64 *cpuusage;
+	u64 __percpu *cpuusage;
 	struct percpu_counter cpustat[CPUACCT_STAT_NSTATS];
 	struct cpuacct *parent;
 };
diff --git a/kernel/sched_cpupri.c b/kernel/sched_cpupri.c
index eeb3506c4834..fccf9fbb0d7b 100644
--- a/kernel/sched_cpupri.c
+++ b/kernel/sched_cpupri.c
@@ -47,7 +47,7 @@ static int convert_prio(int prio)
 }
 
 #define for_each_cpupri_active(array, idx)                    \
-	for_each_bit(idx, array, CPUPRI_NR_PRIORITIES)
+	for_each_set_bit(idx, array, CPUPRI_NR_PRIORITIES)
 
 /**
  * cpupri_find - find the best (lowest-pri) CPU in the system
@@ -56,7 +56,7 @@ static int convert_prio(int prio)
  * @lowest_mask: A mask to fill in with selected CPUs (or NULL)
  *
  * Note: This function returns the recommended CPUs as calculated during the
- * current invokation.  By the time the call returns, the CPUs may have in
+ * current invocation.  By the time the call returns, the CPUs may have in
  * fact changed priorities any number of times.  While not ideal, it is not
  * an issue of correctness since the normal rebalancer logic will correct
  * any discrepancies created by racing against the uncertainty of the current
diff --git a/kernel/sched_fair.c b/kernel/sched_fair.c
index 3e1fd96c6cf9..5a5ea2cd924f 100644
--- a/kernel/sched_fair.c
+++ b/kernel/sched_fair.c
@@ -3476,7 +3476,7 @@ static void run_rebalance_domains(struct softirq_action *h)
 
 static inline int on_null_domain(int cpu)
 {
-	return !rcu_dereference(cpu_rq(cpu)->sd);
+	return !rcu_dereference_sched(cpu_rq(cpu)->sd);
 }
 
 /*
diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c
index bf3e38fdbe6d..b5b920ae2ea7 100644
--- a/kernel/sched_rt.c
+++ b/kernel/sched_rt.c
@@ -1146,7 +1146,12 @@ static struct task_struct *pick_next_highest_task_rt(struct rq *rq, int cpu)
 		if (next && next->prio < idx)
 			continue;
 		list_for_each_entry(rt_se, array->queue + idx, run_list) {
-			struct task_struct *p = rt_task_of(rt_se);
+			struct task_struct *p;
+
+			if (!rt_entity_is_task(rt_se))
+				continue;
+
+			p = rt_task_of(rt_se);
 			if (pick_rt_task(rq, p, cpu)) {
 				next = p;
 				break;
@@ -1662,8 +1667,9 @@ static void watchdog(struct rq *rq, struct task_struct *p)
 	if (!p->signal)
 		return;
 
-	soft = p->signal->rlim[RLIMIT_RTTIME].rlim_cur;
-	hard = p->signal->rlim[RLIMIT_RTTIME].rlim_max;
+	/* max may change after cur was read, this will be fixed next tick */
+	soft = task_rlimit(p, RLIMIT_RTTIME);
+	hard = task_rlimit_max(p, RLIMIT_RTTIME);
 
 	if (soft != RLIM_INFINITY) {
 		unsigned long next;
diff --git a/kernel/signal.c b/kernel/signal.c
index 934ae5e687b9..dbd7fe073c55 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -159,6 +159,10 @@ void recalc_sigpending(void)
 
 /* Given the mask, find the first available signal that should be serviced. */
 
+#define SYNCHRONOUS_MASK \
+	(sigmask(SIGSEGV) | sigmask(SIGBUS) | sigmask(SIGILL) | \
+	 sigmask(SIGTRAP) | sigmask(SIGFPE))
+
 int next_signal(struct sigpending *pending, sigset_t *mask)
 {
 	unsigned long i, *s, *m, x;
@@ -166,26 +170,39 @@ int next_signal(struct sigpending *pending, sigset_t *mask)
 
 	s = pending->signal.sig;
 	m = mask->sig;
+
+	/*
+	 * Handle the first word specially: it contains the
+	 * synchronous signals that need to be dequeued first.
+	 */
+	x = *s &~ *m;
+	if (x) {
+		if (x & SYNCHRONOUS_MASK)
+			x &= SYNCHRONOUS_MASK;
+		sig = ffz(~x) + 1;
+		return sig;
+	}
+
 	switch (_NSIG_WORDS) {
 	default:
-		for (i = 0; i < _NSIG_WORDS; ++i, ++s, ++m)
-			if ((x = *s &~ *m) != 0) {
-				sig = ffz(~x) + i*_NSIG_BPW + 1;
-				break;
-			}
+		for (i = 1; i < _NSIG_WORDS; ++i) {
+			x = *++s &~ *++m;
+			if (!x)
+				continue;
+			sig = ffz(~x) + i*_NSIG_BPW + 1;
+			break;
+		}
 		break;
 
-	case 2: if ((x = s[0] &~ m[0]) != 0)
-			sig = 1;
-		else if ((x = s[1] &~ m[1]) != 0)
-			sig = _NSIG_BPW + 1;
-		else
+	case 2:
+		x = s[1] &~ m[1];
+		if (!x)
 			break;
-		sig += ffz(~x);
+		sig = ffz(~x) + _NSIG_BPW + 1;
 		break;
 
-	case 1: if ((x = *s &~ *m) != 0)
-			sig = ffz(~x) + 1;
+	case 1:
+		/* Nothing to do */
 		break;
 	}
 
@@ -228,7 +245,7 @@ __sigqueue_alloc(int sig, struct task_struct *t, gfp_t flags, int override_rlimi
 
 	if (override_rlimit ||
 	    atomic_read(&user->sigpending) <=
-			t->signal->rlim[RLIMIT_SIGPENDING].rlim_cur) {
+			task_rlimit(t, RLIMIT_SIGPENDING)) {
 		q = kmem_cache_alloc(sigqueue_cachep, flags);
 	} else {
 		print_dropped_signal(sig);
diff --git a/kernel/slow-work.c b/kernel/slow-work.c
index 7494bbf5a270..7d3f4fa9ef4f 100644
--- a/kernel/slow-work.c
+++ b/kernel/slow-work.c
@@ -637,7 +637,7 @@ int delayed_slow_work_enqueue(struct delayed_slow_work *dwork,
 			goto cancelled;
 
 		/* the timer holds a reference whilst it is pending */
-		ret = work->ops->get_ref(work);
+		ret = slow_work_get_ref(work);
 		if (ret < 0)
 			goto cant_get_ref;
 
diff --git a/kernel/slow-work.h b/kernel/slow-work.h
index 321f3c59d732..a29ebd1ef41d 100644
--- a/kernel/slow-work.h
+++ b/kernel/slow-work.h
@@ -43,28 +43,28 @@ extern void slow_work_new_thread_desc(struct slow_work *, struct seq_file *);
  */
 static inline void slow_work_set_thread_pid(int id, pid_t pid)
 {
-#ifdef CONFIG_SLOW_WORK_PROC
+#ifdef CONFIG_SLOW_WORK_DEBUG
 	slow_work_pids[id] = pid;
 #endif
 }
 
 static inline void slow_work_mark_time(struct slow_work *work)
 {
-#ifdef CONFIG_SLOW_WORK_PROC
+#ifdef CONFIG_SLOW_WORK_DEBUG
 	work->mark = CURRENT_TIME;
 #endif
 }
 
 static inline void slow_work_begin_exec(int id, struct slow_work *work)
 {
-#ifdef CONFIG_SLOW_WORK_PROC
+#ifdef CONFIG_SLOW_WORK_DEBUG
 	slow_work_execs[id] = work;
 #endif
 }
 
 static inline void slow_work_end_exec(int id, struct slow_work *work)
 {
-#ifdef CONFIG_SLOW_WORK_PROC
+#ifdef CONFIG_SLOW_WORK_DEBUG
 	write_lock(&slow_work_execs_lock);
 	slow_work_execs[id] = NULL;
 	write_unlock(&slow_work_execs_lock);
diff --git a/kernel/softlockup.c b/kernel/softlockup.c
index 0d4c7898ab80..4b493f67dcb5 100644
--- a/kernel/softlockup.c
+++ b/kernel/softlockup.c
@@ -155,11 +155,11 @@ void softlockup_tick(void)
 	 * Wake up the high-prio watchdog task twice per
 	 * threshold timespan.
 	 */
-	if (now > touch_ts + softlockup_thresh/2)
+	if (time_after(now - softlockup_thresh/2, touch_ts))
 		wake_up_process(per_cpu(softlockup_watchdog, this_cpu));
 
 	/* Warn about unreasonable delays: */
-	if (now <= (touch_ts + softlockup_thresh))
+	if (time_before_eq(now - softlockup_thresh, touch_ts))
 		return;
 
 	per_cpu(softlockup_print_ts, this_cpu) = touch_ts;
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 912823e2a11b..9bb9fb1bd79c 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -45,7 +45,7 @@ static int refcount;
 static struct workqueue_struct *stop_machine_wq;
 static struct stop_machine_data active, idle;
 static const struct cpumask *active_cpus;
-static void *stop_machine_work;
+static void __percpu *stop_machine_work;
 
 static void set_state(enum stopmachine_state newstate)
 {
diff --git a/kernel/sys.c b/kernel/sys.c
index 877fe4f8e05e..8298878f4f71 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -33,6 +33,7 @@
 #include <linux/task_io_accounting_ops.h>
 #include <linux/seccomp.h>
 #include <linux/cpu.h>
+#include <linux/personality.h>
 #include <linux/ptrace.h>
 #include <linux/fs_struct.h>
 
@@ -571,8 +572,7 @@ static int set_user(struct cred *new)
 	if (!new_user)
 		return -EAGAIN;
 
-	if (atomic_read(&new_user->processes) >=
-				current->signal->rlim[RLIMIT_NPROC].rlim_cur &&
+	if (atomic_read(&new_user->processes) >= rlimit(RLIMIT_NPROC) &&
 			new_user != INIT_USER) {
 		free_uid(new_user);
 		return -EAGAIN;
@@ -1115,6 +1115,15 @@ out:
 
 DECLARE_RWSEM(uts_sem);
 
+#ifdef COMPAT_UTS_MACHINE
+#define override_architecture(name) \
+	(current->personality == PER_LINUX32 && \
+	 copy_to_user(name->machine, COMPAT_UTS_MACHINE, \
+		      sizeof(COMPAT_UTS_MACHINE)))
+#else
+#define override_architecture(name)	0
+#endif
+
 SYSCALL_DEFINE1(newuname, struct new_utsname __user *, name)
 {
 	int errno = 0;
@@ -1123,9 +1132,66 @@ SYSCALL_DEFINE1(newuname, struct new_utsname __user *, name)
 	if (copy_to_user(name, utsname(), sizeof *name))
 		errno = -EFAULT;
 	up_read(&uts_sem);
+
+	if (!errno && override_architecture(name))
+		errno = -EFAULT;
 	return errno;
 }
 
+#ifdef __ARCH_WANT_SYS_OLD_UNAME
+/*
+ * Old cruft
+ */
+SYSCALL_DEFINE1(uname, struct old_utsname __user *, name)
+{
+	int error = 0;
+
+	if (!name)
+		return -EFAULT;
+
+	down_read(&uts_sem);
+	if (copy_to_user(name, utsname(), sizeof(*name)))
+		error = -EFAULT;
+	up_read(&uts_sem);
+
+	if (!error && override_architecture(name))
+		error = -EFAULT;
+	return error;
+}
+
+SYSCALL_DEFINE1(olduname, struct oldold_utsname __user *, name)
+{
+	int error;
+
+	if (!name)
+		return -EFAULT;
+	if (!access_ok(VERIFY_WRITE, name, sizeof(struct oldold_utsname)))
+		return -EFAULT;
+
+	down_read(&uts_sem);
+	error = __copy_to_user(&name->sysname, &utsname()->sysname,
+			       __OLD_UTS_LEN);
+	error |= __put_user(0, name->sysname + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->nodename, &utsname()->nodename,
+				__OLD_UTS_LEN);
+	error |= __put_user(0, name->nodename + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->release, &utsname()->release,
+				__OLD_UTS_LEN);
+	error |= __put_user(0, name->release + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->version, &utsname()->version,
+				__OLD_UTS_LEN);
+	error |= __put_user(0, name->version + __OLD_UTS_LEN);
+	error |= __copy_to_user(&name->machine, &utsname()->machine,
+				__OLD_UTS_LEN);
+	error |= __put_user(0, name->machine + __OLD_UTS_LEN);
+	up_read(&uts_sem);
+
+	if (!error && override_architecture(name))
+		error = -EFAULT;
+	return error ? -EFAULT : 0;
+}
+#endif
+
 SYSCALL_DEFINE2(sethostname, char __user *, name, int, len)
 {
 	int errno;
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 695384f12a7d..70f2ea758ffe 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -126,6 +126,7 @@ cond_syscall(sys_setreuid16);
 cond_syscall(sys_setuid16);
 cond_syscall(sys_vm86old);
 cond_syscall(sys_vm86);
+cond_syscall(sys_ipc);
 cond_syscall(compat_sys_ipc);
 cond_syscall(compat_sys_sysctl);
 cond_syscall(sys_flock);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 33e7a38b6eb9..8686b0f5fc12 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -23,6 +23,7 @@
 #include <linux/swap.h>
 #include <linux/slab.h>
 #include <linux/sysctl.h>
+#include <linux/signal.h>
 #include <linux/proc_fs.h>
 #include <linux/security.h>
 #include <linux/ctype.h>
@@ -50,6 +51,7 @@
 #include <linux/ftrace.h>
 #include <linux/slow-work.h>
 #include <linux/perf_event.h>
+#include <linux/kprobes.h>
 
 #include <asm/uaccess.h>
 #include <asm/processor.h>
@@ -59,13 +61,23 @@
 #include <asm/stacktrace.h>
 #include <asm/io.h>
 #endif
+#ifdef CONFIG_BSD_PROCESS_ACCT
+#include <linux/acct.h>
+#endif
+#ifdef CONFIG_RT_MUTEXES
+#include <linux/rtmutex.h>
+#endif
+#if defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_LOCK_STAT)
+#include <linux/lockdep.h>
+#endif
+#ifdef CONFIG_CHR_DEV_SG
+#include <scsi/sg.h>
+#endif
 
 
 #if defined(CONFIG_SYSCTL)
 
 /* External variables not in a header file. */
-extern int C_A_D;
-extern int print_fatal_signals;
 extern int sysctl_overcommit_memory;
 extern int sysctl_overcommit_ratio;
 extern int sysctl_panic_on_oom;
@@ -87,9 +99,6 @@ extern int sysctl_nr_open_min, sysctl_nr_open_max;
 #ifndef CONFIG_MMU
 extern int sysctl_nr_trim_pages;
 #endif
-#ifdef CONFIG_RCU_TORTURE_TEST
-extern int rcutorture_runnable;
-#endif /* #ifdef CONFIG_RCU_TORTURE_TEST */
 #ifdef CONFIG_BLOCK
 extern int blk_iopoll_enabled;
 #endif
@@ -119,14 +128,6 @@ static int min_percpu_pagelist_fract = 8;
 
 static int ngroups_max = NGROUPS_MAX;
 
-#ifdef CONFIG_MODULES
-extern char modprobe_path[];
-extern int modules_disabled;
-#endif
-#ifdef CONFIG_CHR_DEV_SG
-extern int sg_big_buff;
-#endif
-
 #ifdef CONFIG_SPARC
 #include <asm/system.h>
 #endif
@@ -148,10 +149,6 @@ extern int sysctl_userprocess_debug;
 extern int spin_retry;
 #endif
 
-#ifdef CONFIG_BSD_PROCESS_ACCT
-extern int acct_parm[];
-#endif
-
 #ifdef CONFIG_IA64
 extern int no_unaligned_warning;
 extern int unaligned_dump_stack;
@@ -159,10 +156,6 @@ extern int unaligned_dump_stack;
 
 extern struct ratelimit_state printk_ratelimit_state;
 
-#ifdef CONFIG_RT_MUTEXES
-extern int max_lock_depth;
-#endif
-
 #ifdef CONFIG_PROC_SYSCTL
 static int proc_do_cad_pid(struct ctl_table *table, int write,
 		  void __user *buffer, size_t *lenp, loff_t *ppos);
@@ -201,9 +194,6 @@ extern struct ctl_table epoll_table[];
 int sysctl_legacy_va_layout;
 #endif
 
-extern int prove_locking;
-extern int lock_stat;
-
 /* The default sysctl tables: */
 
 static struct ctl_table root_table[] = {
@@ -1450,6 +1440,17 @@ static struct ctl_table debug_table[] = {
 		.proc_handler	= proc_dointvec
 	},
 #endif
+#if defined(CONFIG_OPTPROBES)
+	{
+		.procname	= "kprobes-optimization",
+		.data		= &sysctl_kprobes_optimization,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_kprobes_optimization_handler,
+		.extra1		= &zero,
+		.extra2		= &one,
+	},
+#endif
 	{ }
 };
 
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index 8f5d16e0707a..8cd50d8f9bde 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -1331,7 +1331,7 @@ static ssize_t binary_sysctl(const int *name, int nlen,
 	ssize_t result;
 	char *pathname;
 	int flags;
-	int acc_mode, fmode;
+	int acc_mode;
 
 	pathname = sysctl_getname(name, nlen, &table);
 	result = PTR_ERR(pathname);
@@ -1342,15 +1342,12 @@ static ssize_t binary_sysctl(const int *name, int nlen,
 	if (oldval && oldlen && newval && newlen) {
 		flags = O_RDWR;
 		acc_mode = MAY_READ | MAY_WRITE;
-		fmode = FMODE_READ | FMODE_WRITE;
 	} else if (newval && newlen) {
 		flags = O_WRONLY;
 		acc_mode = MAY_WRITE;
-		fmode = FMODE_WRITE;
 	} else if (oldval && oldlen) {
 		flags = O_RDONLY;
 		acc_mode = MAY_READ;
-		fmode = FMODE_READ;
 	} else {
 		result = 0;
 		goto out_putname;
@@ -1361,7 +1358,7 @@ static ssize_t binary_sysctl(const int *name, int nlen,
 	if (result)
 		goto out_putname;
 
-	result = may_open(&nd.path, acc_mode, fmode);
+	result = may_open(&nd.path, acc_mode, flags);
 	if (result)
 		goto out_putpath;
 
diff --git a/kernel/time/clocksource.c b/kernel/time/clocksource.c
index 1f663d23e85e..1f5dde637457 100644
--- a/kernel/time/clocksource.c
+++ b/kernel/time/clocksource.c
@@ -592,6 +592,10 @@ static inline void clocksource_select(void) { }
  */
 static int __init clocksource_done_booting(void)
 {
+	mutex_lock(&clocksource_mutex);
+	curr_clocksource = clocksource_default_clock();
+	mutex_unlock(&clocksource_mutex);
+
 	finished_booting = 1;
 
 	/*
diff --git a/kernel/time/tick-oneshot.c b/kernel/time/tick-oneshot.c
index 0a8a213016f0..aada0e52680a 100644
--- a/kernel/time/tick-oneshot.c
+++ b/kernel/time/tick-oneshot.c
@@ -22,6 +22,29 @@
 
 #include "tick-internal.h"
 
+/* Limit min_delta to a jiffie */
+#define MIN_DELTA_LIMIT		(NSEC_PER_SEC / HZ)
+
+static int tick_increase_min_delta(struct clock_event_device *dev)
+{
+	/* Nothing to do if we already reached the limit */
+	if (dev->min_delta_ns >= MIN_DELTA_LIMIT)
+		return -ETIME;
+
+	if (dev->min_delta_ns < 5000)
+		dev->min_delta_ns = 5000;
+	else
+		dev->min_delta_ns += dev->min_delta_ns >> 1;
+
+	if (dev->min_delta_ns > MIN_DELTA_LIMIT)
+		dev->min_delta_ns = MIN_DELTA_LIMIT;
+
+	printk(KERN_WARNING "CE: %s increased min_delta_ns to %llu nsec\n",
+	       dev->name ? dev->name : "?",
+	       (unsigned long long) dev->min_delta_ns);
+	return 0;
+}
+
 /**
  * tick_program_event internal worker function
  */
@@ -37,23 +60,28 @@ int tick_dev_program_event(struct clock_event_device *dev, ktime_t expires,
 		if (!ret || !force)
 			return ret;
 
+		dev->retries++;
 		/*
-		 * We tried 2 times to program the device with the given
-		 * min_delta_ns. If that's not working then we double it
+		 * We tried 3 times to program the device with the given
+		 * min_delta_ns. If that's not working then we increase it
 		 * and emit a warning.
 		 */
 		if (++i > 2) {
 			/* Increase the min. delta and try again */
-			if (!dev->min_delta_ns)
-				dev->min_delta_ns = 5000;
-			else
-				dev->min_delta_ns += dev->min_delta_ns >> 1;
-
-			printk(KERN_WARNING
-			       "CE: %s increasing min_delta_ns to %llu nsec\n",
-			       dev->name ? dev->name : "?",
-			       (unsigned long long) dev->min_delta_ns << 1);
-
+			if (tick_increase_min_delta(dev)) {
+				/*
+				 * Get out of the loop if min_delta_ns
+				 * hit the limit already. That's
+				 * better than staying here forever.
+				 *
+				 * We clear next_event so we have a
+				 * chance that the box survives.
+				 */
+				printk(KERN_WARNING
+				       "CE: Reprogramming failure. Giving up\n");
+				dev->next_event.tv64 = KTIME_MAX;
+				return -ETIME;
+			}
 			i = 0;
 		}
 
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index 16736379a9ca..39f6177fafac 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -818,7 +818,8 @@ void update_wall_time(void)
 	shift = min(shift, maxshift);
 	while (offset >= timekeeper.cycle_interval) {
 		offset = logarithmic_accumulation(offset, shift);
-		shift--;
+		if(offset < timekeeper.cycle_interval<<shift)
+			shift--;
 	}
 
 	/* correct the clock when NTP error is too big */
diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c
index bdfb8dd1050c..1a4a7dd78777 100644
--- a/kernel/time/timer_list.c
+++ b/kernel/time/timer_list.c
@@ -228,6 +228,7 @@ print_tickdevice(struct seq_file *m, struct tick_device *td, int cpu)
 	SEQ_printf(m, " event_handler:  ");
 	print_name_offset(m, dev->event_handler);
 	SEQ_printf(m, "\n");
+	SEQ_printf(m, " retries:        %lu\n", dev->retries);
 }
 
 static void timer_list_show_tickdevices(struct seq_file *m)
@@ -257,7 +258,7 @@ static int timer_list_show(struct seq_file *m, void *v)
 	u64 now = ktime_to_ns(ktime_get());
 	int cpu;
 
-	SEQ_printf(m, "Timer List Version: v0.5\n");
+	SEQ_printf(m, "Timer List Version: v0.6\n");
 	SEQ_printf(m, "HRTIMER_MAX_CLOCK_BASES: %d\n", HRTIMER_MAX_CLOCK_BASES);
 	SEQ_printf(m, "now at %Ld nsecs\n", (unsigned long long)now);
 
diff --git a/kernel/timer.c b/kernel/timer.c
index c61a7949387f..fc965eae0e87 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -880,6 +880,7 @@ int try_to_del_timer_sync(struct timer_list *timer)
 	if (base->running_timer == timer)
 		goto out;
 
+	timer_stats_timer_clear_start_info(timer);
 	ret = 0;
 	if (timer_pending(timer)) {
 		detach_timer(timer, 1);
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index d00c6fe23f54..78edc6490038 100644
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -52,7 +52,7 @@ obj-$(CONFIG_EVENT_TRACING) += trace_events.o
 obj-$(CONFIG_EVENT_TRACING) += trace_export.o
 obj-$(CONFIG_FTRACE_SYSCALLS) += trace_syscalls.o
 ifeq ($(CONFIG_PERF_EVENTS),y)
-obj-$(CONFIG_EVENT_TRACING) += trace_event_profile.o
+obj-$(CONFIG_EVENT_TRACING) += trace_event_perf.o
 endif
 obj-$(CONFIG_EVENT_TRACING) += trace_events_filter.o
 obj-$(CONFIG_KPROBE_EVENT) += trace_kprobe.o
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 83783579378f..d9062f5cc0c0 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -27,6 +27,7 @@
 #include <linux/ctype.h>
 #include <linux/list.h>
 #include <linux/hash.h>
+#include <linux/rcupdate.h>
 
 #include <trace/events/sched.h>
 
@@ -84,22 +85,22 @@ ftrace_func_t ftrace_trace_function __read_mostly = ftrace_stub;
 ftrace_func_t __ftrace_trace_function __read_mostly = ftrace_stub;
 ftrace_func_t ftrace_pid_function __read_mostly = ftrace_stub;
 
-#ifdef CONFIG_FUNCTION_GRAPH_TRACER
-static int ftrace_set_func(unsigned long *array, int *idx, char *buffer);
-#endif
-
+/*
+ * Traverse the ftrace_list, invoking all entries.  The reason that we
+ * can use rcu_dereference_raw() is that elements removed from this list
+ * are simply leaked, so there is no need to interact with a grace-period
+ * mechanism.  The rcu_dereference_raw() calls are needed to handle
+ * concurrent insertions into the ftrace_list.
+ *
+ * Silly Alpha and silly pointer-speculation compiler optimizations!
+ */
 static void ftrace_list_func(unsigned long ip, unsigned long parent_ip)
 {
-	struct ftrace_ops *op = ftrace_list;
-
-	/* in case someone actually ports this to alpha! */
-	read_barrier_depends();
+	struct ftrace_ops *op = rcu_dereference_raw(ftrace_list); /*see above*/
 
 	while (op != &ftrace_list_end) {
-		/* silly alpha */
-		read_barrier_depends();
 		op->func(ip, parent_ip);
-		op = op->next;
+		op = rcu_dereference_raw(op->next); /*see above*/
 	};
 }
 
@@ -154,8 +155,7 @@ static int __register_ftrace_function(struct ftrace_ops *ops)
 	 * the ops->next pointer is valid before another CPU sees
 	 * the ops pointer included into the ftrace_list.
 	 */
-	smp_wmb();
-	ftrace_list = ops;
+	rcu_assign_pointer(ftrace_list, ops);
 
 	if (ftrace_enabled) {
 		ftrace_func_t func;
@@ -2276,6 +2276,8 @@ __setup("ftrace_filter=", set_ftrace_filter);
 
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
 static char ftrace_graph_buf[FTRACE_FILTER_SIZE] __initdata;
+static int ftrace_set_func(unsigned long *array, int *idx, char *buffer);
+
 static int __init set_graph_function(char *str)
 {
 	strlcpy(ftrace_graph_buf, str, FTRACE_FILTER_SIZE);
@@ -3351,6 +3353,7 @@ void ftrace_graph_init_task(struct task_struct *t)
 {
 	/* Make sure we do not use the parent ret_stack */
 	t->ret_stack = NULL;
+	t->curr_ret_stack = -1;
 
 	if (ftrace_graph_active) {
 		struct ftrace_ret_stack *ret_stack;
@@ -3360,7 +3363,6 @@ void ftrace_graph_init_task(struct task_struct *t)
 				GFP_KERNEL);
 		if (!ret_stack)
 			return;
-		t->curr_ret_stack = -1;
 		atomic_set(&t->tracing_graph_pause, 0);
 		atomic_set(&t->trace_overrun, 0);
 		t->ftrace_timestamp = 0;
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index 8c1b2d290718..d1187ef20caf 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -20,6 +20,7 @@
 #include <linux/cpu.h>
 #include <linux/fs.h>
 
+#include <asm/local.h>
 #include "trace.h"
 
 /*
@@ -206,6 +207,14 @@ EXPORT_SYMBOL_GPL(tracing_is_on);
 #define RB_MAX_SMALL_DATA	(RB_ALIGNMENT * RINGBUF_TYPE_DATA_TYPE_LEN_MAX)
 #define RB_EVNT_MIN_SIZE	8U	/* two 32bit words */
 
+#if !defined(CONFIG_64BIT) || defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
+# define RB_FORCE_8BYTE_ALIGNMENT	0
+# define RB_ARCH_ALIGNMENT		RB_ALIGNMENT
+#else
+# define RB_FORCE_8BYTE_ALIGNMENT	1
+# define RB_ARCH_ALIGNMENT		8U
+#endif
+
 /* define RINGBUF_TYPE_DATA for 'case RINGBUF_TYPE_DATA:' */
 #define RINGBUF_TYPE_DATA 0 ... RINGBUF_TYPE_DATA_TYPE_LEN_MAX
 
@@ -1546,7 +1555,7 @@ rb_update_event(struct ring_buffer_event *event,
 
 	case 0:
 		length -= RB_EVNT_HDR_SIZE;
-		if (length > RB_MAX_SMALL_DATA)
+		if (length > RB_MAX_SMALL_DATA || RB_FORCE_8BYTE_ALIGNMENT)
 			event->array[0] = length;
 		else
 			event->type_len = DIV_ROUND_UP(length, RB_ALIGNMENT);
@@ -1721,11 +1730,11 @@ static unsigned rb_calculate_event_length(unsigned length)
 	if (!length)
 		length = 1;
 
-	if (length > RB_MAX_SMALL_DATA)
+	if (length > RB_MAX_SMALL_DATA || RB_FORCE_8BYTE_ALIGNMENT)
 		length += sizeof(event.array[0]);
 
 	length += RB_EVNT_HDR_SIZE;
-	length = ALIGN(length, RB_ALIGNMENT);
+	length = ALIGN(length, RB_ARCH_ALIGNMENT);
 
 	return length;
 }
@@ -2232,12 +2241,12 @@ ring_buffer_lock_reserve(struct ring_buffer *buffer, unsigned long length)
 	if (ring_buffer_flags != RB_BUFFERS_ON)
 		return NULL;
 
-	if (atomic_read(&buffer->record_disabled))
-		return NULL;
-
 	/* If we are tracing schedule, we don't want to recurse */
 	resched = ftrace_preempt_disable();
 
+	if (atomic_read(&buffer->record_disabled))
+		goto out_nocheck;
+
 	if (trace_recursive_lock())
 		goto out_nocheck;
 
@@ -2469,11 +2478,11 @@ int ring_buffer_write(struct ring_buffer *buffer,
 	if (ring_buffer_flags != RB_BUFFERS_ON)
 		return -EBUSY;
 
-	if (atomic_read(&buffer->record_disabled))
-		return -EBUSY;
-
 	resched = ftrace_preempt_disable();
 
+	if (atomic_read(&buffer->record_disabled))
+		goto out;
+
 	cpu = raw_smp_processor_id();
 
 	if (!cpumask_test_cpu(cpu, buffer->cpumask))
@@ -2541,7 +2550,7 @@ EXPORT_SYMBOL_GPL(ring_buffer_record_disable);
  * @buffer: The ring buffer to enable writes
  *
  * Note, multiple disables will need the same number of enables
- * to truely enable the writing (much like preempt_disable).
+ * to truly enable the writing (much like preempt_disable).
  */
 void ring_buffer_record_enable(struct ring_buffer *buffer)
 {
@@ -2577,7 +2586,7 @@ EXPORT_SYMBOL_GPL(ring_buffer_record_disable_cpu);
  * @cpu: The CPU to enable.
  *
  * Note, multiple disables will need the same number of enables
- * to truely enable the writing (much like preempt_disable).
+ * to truly enable the writing (much like preempt_disable).
  */
 void ring_buffer_record_enable_cpu(struct ring_buffer *buffer, int cpu)
 {
diff --git a/kernel/trace/ring_buffer_benchmark.c b/kernel/trace/ring_buffer_benchmark.c
index b2477caf09c2..df74c7982255 100644
--- a/kernel/trace/ring_buffer_benchmark.c
+++ b/kernel/trace/ring_buffer_benchmark.c
@@ -8,6 +8,7 @@
 #include <linux/kthread.h>
 #include <linux/module.h>
 #include <linux/time.h>
+#include <asm/local.h>
 
 struct rb_page {
 	u64		ts;
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 032c57ca6502..3ec2ee6f6560 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -92,12 +92,12 @@ DEFINE_PER_CPU(int, ftrace_cpu_disabled);
 static inline void ftrace_disable_cpu(void)
 {
 	preempt_disable();
-	__this_cpu_inc(per_cpu_var(ftrace_cpu_disabled));
+	__this_cpu_inc(ftrace_cpu_disabled);
 }
 
 static inline void ftrace_enable_cpu(void)
 {
-	__this_cpu_dec(per_cpu_var(ftrace_cpu_disabled));
+	__this_cpu_dec(ftrace_cpu_disabled);
 	preempt_enable();
 }
 
@@ -374,6 +374,21 @@ static int __init set_buf_size(char *str)
 }
 __setup("trace_buf_size=", set_buf_size);
 
+static int __init set_tracing_thresh(char *str)
+{
+	unsigned long threshhold;
+	int ret;
+
+	if (!str)
+		return 0;
+	ret = strict_strtoul(str, 0, &threshhold);
+	if (ret < 0)
+		return 0;
+	tracing_thresh = threshhold * 1000;
+	return 1;
+}
+__setup("tracing_thresh=", set_tracing_thresh);
+
 unsigned long nsecs_to_usecs(unsigned long nsecs)
 {
 	return nsecs / 1000;
@@ -579,9 +594,10 @@ static ssize_t trace_seq_to_buffer(struct trace_seq *s, void *buf, size_t cnt)
 static arch_spinlock_t ftrace_max_lock =
 	(arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;
 
+unsigned long __read_mostly	tracing_thresh;
+
 #ifdef CONFIG_TRACER_MAX_TRACE
 unsigned long __read_mostly	tracing_max_latency;
-unsigned long __read_mostly	tracing_thresh;
 
 /*
  * Copy the new maximum trace into the separate maximum-trace
@@ -592,7 +608,7 @@ static void
 __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
 {
 	struct trace_array_cpu *data = tr->data[cpu];
-	struct trace_array_cpu *max_data = tr->data[cpu];
+	struct trace_array_cpu *max_data;
 
 	max_tr.cpu = cpu;
 	max_tr.time_start = data->preempt_timestamp;
@@ -602,7 +618,7 @@ __update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu)
 	max_data->critical_start = data->critical_start;
 	max_data->critical_end = data->critical_end;
 
-	memcpy(data->comm, tsk->comm, TASK_COMM_LEN);
+	memcpy(max_data->comm, tsk->comm, TASK_COMM_LEN);
 	max_data->pid = tsk->pid;
 	max_data->uid = task_uid(tsk);
 	max_data->nice = tsk->static_prio - 20 - MAX_RT_PRIO;
@@ -824,10 +840,10 @@ out:
 	mutex_unlock(&trace_types_lock);
 }
 
-static void __tracing_reset(struct trace_array *tr, int cpu)
+static void __tracing_reset(struct ring_buffer *buffer, int cpu)
 {
 	ftrace_disable_cpu();
-	ring_buffer_reset_cpu(tr->buffer, cpu);
+	ring_buffer_reset_cpu(buffer, cpu);
 	ftrace_enable_cpu();
 }
 
@@ -839,7 +855,7 @@ void tracing_reset(struct trace_array *tr, int cpu)
 
 	/* Make sure all commits have finished */
 	synchronize_sched();
-	__tracing_reset(tr, cpu);
+	__tracing_reset(buffer, cpu);
 
 	ring_buffer_record_enable(buffer);
 }
@@ -857,7 +873,7 @@ void tracing_reset_online_cpus(struct trace_array *tr)
 	tr->time_start = ftrace_now(tr->cpu);
 
 	for_each_online_cpu(cpu)
-		__tracing_reset(tr, cpu);
+		__tracing_reset(buffer, cpu);
 
 	ring_buffer_record_enable(buffer);
 }
@@ -934,6 +950,8 @@ void tracing_start(void)
 		goto out;
 	}
 
+	/* Prevent the buffers from switching */
+	arch_spin_lock(&ftrace_max_lock);
 
 	buffer = global_trace.buffer;
 	if (buffer)
@@ -943,6 +961,8 @@ void tracing_start(void)
 	if (buffer)
 		ring_buffer_record_enable(buffer);
 
+	arch_spin_unlock(&ftrace_max_lock);
+
 	ftrace_start();
  out:
 	spin_unlock_irqrestore(&tracing_start_lock, flags);
@@ -964,6 +984,9 @@ void tracing_stop(void)
 	if (trace_stop_count++)
 		goto out;
 
+	/* Prevent the buffers from switching */
+	arch_spin_lock(&ftrace_max_lock);
+
 	buffer = global_trace.buffer;
 	if (buffer)
 		ring_buffer_record_disable(buffer);
@@ -972,6 +995,8 @@ void tracing_stop(void)
 	if (buffer)
 		ring_buffer_record_disable(buffer);
 
+	arch_spin_unlock(&ftrace_max_lock);
+
  out:
 	spin_unlock_irqrestore(&tracing_start_lock, flags);
 }
@@ -1166,7 +1191,7 @@ trace_function(struct trace_array *tr,
 	struct ftrace_entry *entry;
 
 	/* If we are reading the ring buffer, don't trace */
-	if (unlikely(__this_cpu_read(per_cpu_var(ftrace_cpu_disabled))))
+	if (unlikely(__this_cpu_read(ftrace_cpu_disabled)))
 		return;
 
 	event = trace_buffer_lock_reserve(buffer, TRACE_FN, sizeof(*entry),
@@ -1259,6 +1284,13 @@ ftrace_trace_userstack(struct ring_buffer *buffer, unsigned long flags, int pc)
 	if (!(trace_flags & TRACE_ITER_USERSTACKTRACE))
 		return;
 
+	/*
+	 * NMIs can not handle page faults, even with fix ups.
+	 * The save user stack can (and often does) fault.
+	 */
+	if (unlikely(in_nmi()))
+		return;
+
 	event = trace_buffer_lock_reserve(buffer, TRACE_USER_STACK,
 					  sizeof(*entry), flags, pc);
 	if (!event)
@@ -1703,6 +1735,7 @@ static void *s_start(struct seq_file *m, loff_t *pos)
 
 		ftrace_enable_cpu();
 
+		iter->leftover = 0;
 		for (p = iter; p && l < *pos; p = s_next(m, p, &l))
 			;
 
@@ -4248,10 +4281,10 @@ static __init int tracer_init_debugfs(void)
 #ifdef CONFIG_TRACER_MAX_TRACE
 	trace_create_file("tracing_max_latency", 0644, d_tracer,
 			&tracing_max_latency, &tracing_max_lat_fops);
+#endif
 
 	trace_create_file("tracing_thresh", 0644, d_tracer,
 			&tracing_thresh, &tracing_max_lat_fops);
-#endif
 
 	trace_create_file("README", 0444, d_tracer,
 			NULL, &tracing_readme_fops);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index fd05bcaf91b0..2825ef2c0b15 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -396,9 +396,10 @@ extern int process_new_ksym_entry(char *ksymname, int op, unsigned long addr);
 
 extern unsigned long nsecs_to_usecs(unsigned long nsecs);
 
+extern unsigned long tracing_thresh;
+
 #ifdef CONFIG_TRACER_MAX_TRACE
 extern unsigned long tracing_max_latency;
-extern unsigned long tracing_thresh;
 
 void update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu);
 void update_max_tr_single(struct trace_array *tr,
@@ -550,7 +551,7 @@ static inline int ftrace_trace_task(struct task_struct *task)
  * struct trace_parser - servers for reading the user input separated by spaces
  * @cont: set if the input is not complete - no final space char was found
  * @buffer: holds the parsed user input
- * @idx: user input lenght
+ * @idx: user input length
  * @size: buffer size
  */
 struct trace_parser {
diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c
index 84a3a7ba072a..6fbfb8f417b9 100644
--- a/kernel/trace/trace_clock.c
+++ b/kernel/trace/trace_clock.c
@@ -13,6 +13,7 @@
  * Tracer plugins will chose a default from these clocks.
  */
 #include <linux/spinlock.h>
+#include <linux/irqflags.h>
 #include <linux/hardirq.h>
 #include <linux/module.h>
 #include <linux/percpu.h>
diff --git a/kernel/trace/trace_event_profile.c b/kernel/trace/trace_event_perf.c
index f0d693005075..81f691eb3a30 100644
--- a/kernel/trace/trace_event_profile.c
+++ b/kernel/trace/trace_event_perf.c
@@ -1,32 +1,36 @@
 /*
- * trace event based perf counter profiling
+ * trace event based perf event profiling/tracing
  *
  * Copyright (C) 2009 Red Hat Inc, Peter Zijlstra <pzijlstr@redhat.com>
- *
+ * Copyright (C) 2009-2010 Frederic Weisbecker <fweisbec@gmail.com>
  */
 
 #include <linux/module.h>
 #include <linux/kprobes.h>
 #include "trace.h"
 
+DEFINE_PER_CPU(struct pt_regs, perf_trace_regs);
+EXPORT_PER_CPU_SYMBOL_GPL(perf_trace_regs);
+
+EXPORT_SYMBOL_GPL(perf_arch_fetch_caller_regs);
 
 static char *perf_trace_buf;
 static char *perf_trace_buf_nmi;
 
-typedef typeof(char [FTRACE_MAX_PROFILE_SIZE]) perf_trace_t ;
+typedef typeof(char [PERF_MAX_TRACE_SIZE]) perf_trace_t ;
 
 /* Count the events in use (per event id, not per instance) */
-static int	total_profile_count;
+static int	total_ref_count;
 
-static int ftrace_profile_enable_event(struct ftrace_event_call *event)
+static int perf_trace_event_enable(struct ftrace_event_call *event)
 {
 	char *buf;
 	int ret = -ENOMEM;
 
-	if (event->profile_count++ > 0)
+	if (event->perf_refcount++ > 0)
 		return 0;
 
-	if (!total_profile_count) {
+	if (!total_ref_count) {
 		buf = (char *)alloc_percpu(perf_trace_t);
 		if (!buf)
 			goto fail_buf;
@@ -40,35 +44,35 @@ static int ftrace_profile_enable_event(struct ftrace_event_call *event)
 		rcu_assign_pointer(perf_trace_buf_nmi, buf);
 	}
 
-	ret = event->profile_enable(event);
+	ret = event->perf_event_enable(event);
 	if (!ret) {
-		total_profile_count++;
+		total_ref_count++;
 		return 0;
 	}
 
 fail_buf_nmi:
-	if (!total_profile_count) {
+	if (!total_ref_count) {
 		free_percpu(perf_trace_buf_nmi);
 		free_percpu(perf_trace_buf);
 		perf_trace_buf_nmi = NULL;
 		perf_trace_buf = NULL;
 	}
 fail_buf:
-	event->profile_count--;
+	event->perf_refcount--;
 
 	return ret;
 }
 
-int ftrace_profile_enable(int event_id)
+int perf_trace_enable(int event_id)
 {
 	struct ftrace_event_call *event;
 	int ret = -EINVAL;
 
 	mutex_lock(&event_mutex);
 	list_for_each_entry(event, &ftrace_events, list) {
-		if (event->id == event_id && event->profile_enable &&
+		if (event->id == event_id && event->perf_event_enable &&
 		    try_module_get(event->mod)) {
-			ret = ftrace_profile_enable_event(event);
+			ret = perf_trace_event_enable(event);
 			break;
 		}
 	}
@@ -77,16 +81,16 @@ int ftrace_profile_enable(int event_id)
 	return ret;
 }
 
-static void ftrace_profile_disable_event(struct ftrace_event_call *event)
+static void perf_trace_event_disable(struct ftrace_event_call *event)
 {
 	char *buf, *nmi_buf;
 
-	if (--event->profile_count > 0)
+	if (--event->perf_refcount > 0)
 		return;
 
-	event->profile_disable(event);
+	event->perf_event_disable(event);
 
-	if (!--total_profile_count) {
+	if (!--total_ref_count) {
 		buf = perf_trace_buf;
 		rcu_assign_pointer(perf_trace_buf, NULL);
 
@@ -104,14 +108,14 @@ static void ftrace_profile_disable_event(struct ftrace_event_call *event)
 	}
 }
 
-void ftrace_profile_disable(int event_id)
+void perf_trace_disable(int event_id)
 {
 	struct ftrace_event_call *event;
 
 	mutex_lock(&event_mutex);
 	list_for_each_entry(event, &ftrace_events, list) {
 		if (event->id == event_id) {
-			ftrace_profile_disable_event(event);
+			perf_trace_event_disable(event);
 			module_put(event->mod);
 			break;
 		}
@@ -119,8 +123,8 @@ void ftrace_profile_disable(int event_id)
 	mutex_unlock(&event_mutex);
 }
 
-__kprobes void *ftrace_perf_buf_prepare(int size, unsigned short type,
-					int *rctxp, unsigned long *irq_flags)
+__kprobes void *perf_trace_buf_prepare(int size, unsigned short type,
+				       int *rctxp, unsigned long *irq_flags)
 {
 	struct trace_entry *entry;
 	char *trace_buf, *raw_data;
@@ -138,9 +142,9 @@ __kprobes void *ftrace_perf_buf_prepare(int size, unsigned short type,
 	cpu = smp_processor_id();
 
 	if (in_nmi())
-		trace_buf = rcu_dereference(perf_trace_buf_nmi);
+		trace_buf = rcu_dereference_sched(perf_trace_buf_nmi);
 	else
-		trace_buf = rcu_dereference(perf_trace_buf);
+		trace_buf = rcu_dereference_sched(perf_trace_buf);
 
 	if (!trace_buf)
 		goto err;
@@ -161,4 +165,4 @@ err_recursion:
 	local_irq_restore(*irq_flags);
 	return NULL;
 }
-EXPORT_SYMBOL_GPL(ftrace_perf_buf_prepare);
+EXPORT_SYMBOL_GPL(perf_trace_buf_prepare);
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 3f972ad98d04..beab8bf2f310 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -938,7 +938,7 @@ event_create_dir(struct ftrace_event_call *call, struct dentry *d_events,
 		trace_create_file("enable", 0644, call->dir, call,
 				  enable);
 
-	if (call->id && call->profile_enable)
+	if (call->id && call->perf_event_enable)
 		trace_create_file("id", 0444, call->dir, call,
 		 		  id);
 
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index e998a824e9db..e6989d9b44da 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -188,7 +188,7 @@ static int __trace_graph_entry(struct trace_array *tr,
 	struct ring_buffer *buffer = tr->buffer;
 	struct ftrace_graph_ent_entry *entry;
 
-	if (unlikely(__this_cpu_read(per_cpu_var(ftrace_cpu_disabled))))
+	if (unlikely(__this_cpu_read(ftrace_cpu_disabled)))
 		return 0;
 
 	event = trace_buffer_lock_reserve(buffer, TRACE_GRAPH_ENT,
@@ -237,6 +237,14 @@ int trace_graph_entry(struct ftrace_graph_ent *trace)
 	return ret;
 }
 
+int trace_graph_thresh_entry(struct ftrace_graph_ent *trace)
+{
+	if (tracing_thresh)
+		return 1;
+	else
+		return trace_graph_entry(trace);
+}
+
 static void __trace_graph_return(struct trace_array *tr,
 				struct ftrace_graph_ret *trace,
 				unsigned long flags,
@@ -247,7 +255,7 @@ static void __trace_graph_return(struct trace_array *tr,
 	struct ring_buffer *buffer = tr->buffer;
 	struct ftrace_graph_ret_entry *entry;
 
-	if (unlikely(__this_cpu_read(per_cpu_var(ftrace_cpu_disabled))))
+	if (unlikely(__this_cpu_read(ftrace_cpu_disabled)))
 		return;
 
 	event = trace_buffer_lock_reserve(buffer, TRACE_GRAPH_RET,
@@ -290,13 +298,26 @@ void set_graph_array(struct trace_array *tr)
 	smp_mb();
 }
 
+void trace_graph_thresh_return(struct ftrace_graph_ret *trace)
+{
+	if (tracing_thresh &&
+	    (trace->rettime - trace->calltime < tracing_thresh))
+		return;
+	else
+		trace_graph_return(trace);
+}
+
 static int graph_trace_init(struct trace_array *tr)
 {
 	int ret;
 
 	set_graph_array(tr);
-	ret = register_ftrace_graph(&trace_graph_return,
-				    &trace_graph_entry);
+	if (tracing_thresh)
+		ret = register_ftrace_graph(&trace_graph_thresh_return,
+					    &trace_graph_thresh_entry);
+	else
+		ret = register_ftrace_graph(&trace_graph_return,
+					    &trace_graph_entry);
 	if (ret)
 		return ret;
 	tracing_start_cmdline_record();
@@ -920,7 +941,7 @@ print_graph_return(struct ftrace_graph_ret *trace, struct trace_seq *s,
 		if (!ret)
 			return TRACE_TYPE_PARTIAL_LINE;
 	} else {
-		ret = trace_seq_printf(s, "} (%ps)\n", (void *)trace->func);
+		ret = trace_seq_printf(s, "} /* %ps */\n", (void *)trace->func);
 		if (!ret)
 			return TRACE_TYPE_PARTIAL_LINE;
 	}
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 505c92273b1a..1251e367bae9 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -1214,7 +1214,7 @@ static int set_print_fmt(struct trace_probe *tp)
 #ifdef CONFIG_PERF_EVENTS
 
 /* Kprobe profile handler */
-static __kprobes void kprobe_profile_func(struct kprobe *kp,
+static __kprobes void kprobe_perf_func(struct kprobe *kp,
 					 struct pt_regs *regs)
 {
 	struct trace_probe *tp = container_of(kp, struct trace_probe, rp.kp);
@@ -1227,11 +1227,11 @@ static __kprobes void kprobe_profile_func(struct kprobe *kp,
 	__size = SIZEOF_KPROBE_TRACE_ENTRY(tp->nr_args);
 	size = ALIGN(__size + sizeof(u32), sizeof(u64));
 	size -= sizeof(u32);
-	if (WARN_ONCE(size > FTRACE_MAX_PROFILE_SIZE,
+	if (WARN_ONCE(size > PERF_MAX_TRACE_SIZE,
 		     "profile buffer not large enough"))
 		return;
 
-	entry = ftrace_perf_buf_prepare(size, call->id, &rctx, &irq_flags);
+	entry = perf_trace_buf_prepare(size, call->id, &rctx, &irq_flags);
 	if (!entry)
 		return;
 
@@ -1240,11 +1240,11 @@ static __kprobes void kprobe_profile_func(struct kprobe *kp,
 	for (i = 0; i < tp->nr_args; i++)
 		entry->args[i] = call_fetch(&tp->args[i].fetch, regs);
 
-	ftrace_perf_buf_submit(entry, size, rctx, entry->ip, 1, irq_flags);
+	perf_trace_buf_submit(entry, size, rctx, entry->ip, 1, irq_flags, regs);
 }
 
 /* Kretprobe profile handler */
-static __kprobes void kretprobe_profile_func(struct kretprobe_instance *ri,
+static __kprobes void kretprobe_perf_func(struct kretprobe_instance *ri,
 					    struct pt_regs *regs)
 {
 	struct trace_probe *tp = container_of(ri->rp, struct trace_probe, rp);
@@ -1257,11 +1257,11 @@ static __kprobes void kretprobe_profile_func(struct kretprobe_instance *ri,
 	__size = SIZEOF_KRETPROBE_TRACE_ENTRY(tp->nr_args);
 	size = ALIGN(__size + sizeof(u32), sizeof(u64));
 	size -= sizeof(u32);
-	if (WARN_ONCE(size > FTRACE_MAX_PROFILE_SIZE,
+	if (WARN_ONCE(size > PERF_MAX_TRACE_SIZE,
 		     "profile buffer not large enough"))
 		return;
 
-	entry = ftrace_perf_buf_prepare(size, call->id, &rctx, &irq_flags);
+	entry = perf_trace_buf_prepare(size, call->id, &rctx, &irq_flags);
 	if (!entry)
 		return;
 
@@ -1271,10 +1271,11 @@ static __kprobes void kretprobe_profile_func(struct kretprobe_instance *ri,
 	for (i = 0; i < tp->nr_args; i++)
 		entry->args[i] = call_fetch(&tp->args[i].fetch, regs);
 
-	ftrace_perf_buf_submit(entry, size, rctx, entry->ret_ip, 1, irq_flags);
+	perf_trace_buf_submit(entry, size, rctx, entry->ret_ip, 1,
+			       irq_flags, regs);
 }
 
-static int probe_profile_enable(struct ftrace_event_call *call)
+static int probe_perf_enable(struct ftrace_event_call *call)
 {
 	struct trace_probe *tp = (struct trace_probe *)call->data;
 
@@ -1286,7 +1287,7 @@ static int probe_profile_enable(struct ftrace_event_call *call)
 		return enable_kprobe(&tp->rp.kp);
 }
 
-static void probe_profile_disable(struct ftrace_event_call *call)
+static void probe_perf_disable(struct ftrace_event_call *call)
 {
 	struct trace_probe *tp = (struct trace_probe *)call->data;
 
@@ -1311,7 +1312,7 @@ int kprobe_dispatcher(struct kprobe *kp, struct pt_regs *regs)
 		kprobe_trace_func(kp, regs);
 #ifdef CONFIG_PERF_EVENTS
 	if (tp->flags & TP_FLAG_PROFILE)
-		kprobe_profile_func(kp, regs);
+		kprobe_perf_func(kp, regs);
 #endif
 	return 0;	/* We don't tweek kernel, so just return 0 */
 }
@@ -1325,7 +1326,7 @@ int kretprobe_dispatcher(struct kretprobe_instance *ri, struct pt_regs *regs)
 		kretprobe_trace_func(ri, regs);
 #ifdef CONFIG_PERF_EVENTS
 	if (tp->flags & TP_FLAG_PROFILE)
-		kretprobe_profile_func(ri, regs);
+		kretprobe_perf_func(ri, regs);
 #endif
 	return 0;	/* We don't tweek kernel, so just return 0 */
 }
@@ -1358,8 +1359,8 @@ static int register_probe_event(struct trace_probe *tp)
 	call->unregfunc = probe_event_disable;
 
 #ifdef CONFIG_PERF_EVENTS
-	call->profile_enable = probe_profile_enable;
-	call->profile_disable = probe_profile_disable;
+	call->perf_event_enable = probe_perf_enable;
+	call->perf_event_disable = probe_perf_disable;
 #endif
 	call->data = tp;
 	ret = trace_add_event_call(call);
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index cba47d7935cc..33c2a5b769dc 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -428,12 +428,12 @@ core_initcall(init_ftrace_syscalls);
 
 #ifdef CONFIG_PERF_EVENTS
 
-static DECLARE_BITMAP(enabled_prof_enter_syscalls, NR_syscalls);
-static DECLARE_BITMAP(enabled_prof_exit_syscalls, NR_syscalls);
-static int sys_prof_refcount_enter;
-static int sys_prof_refcount_exit;
+static DECLARE_BITMAP(enabled_perf_enter_syscalls, NR_syscalls);
+static DECLARE_BITMAP(enabled_perf_exit_syscalls, NR_syscalls);
+static int sys_perf_refcount_enter;
+static int sys_perf_refcount_exit;
 
-static void prof_syscall_enter(struct pt_regs *regs, long id)
+static void perf_syscall_enter(struct pt_regs *regs, long id)
 {
 	struct syscall_metadata *sys_data;
 	struct syscall_trace_enter *rec;
@@ -443,7 +443,7 @@ static void prof_syscall_enter(struct pt_regs *regs, long id)
 	int size;
 
 	syscall_nr = syscall_get_nr(current, regs);
-	if (!test_bit(syscall_nr, enabled_prof_enter_syscalls))
+	if (!test_bit(syscall_nr, enabled_perf_enter_syscalls))
 		return;
 
 	sys_data = syscall_nr_to_meta(syscall_nr);
@@ -455,11 +455,11 @@ static void prof_syscall_enter(struct pt_regs *regs, long id)
 	size = ALIGN(size + sizeof(u32), sizeof(u64));
 	size -= sizeof(u32);
 
-	if (WARN_ONCE(size > FTRACE_MAX_PROFILE_SIZE,
-		      "profile buffer not large enough"))
+	if (WARN_ONCE(size > PERF_MAX_TRACE_SIZE,
+		      "perf buffer not large enough"))
 		return;
 
-	rec = (struct syscall_trace_enter *)ftrace_perf_buf_prepare(size,
+	rec = (struct syscall_trace_enter *)perf_trace_buf_prepare(size,
 				sys_data->enter_event->id, &rctx, &flags);
 	if (!rec)
 		return;
@@ -467,10 +467,10 @@ static void prof_syscall_enter(struct pt_regs *regs, long id)
 	rec->nr = syscall_nr;
 	syscall_get_arguments(current, regs, 0, sys_data->nb_args,
 			       (unsigned long *)&rec->args);
-	ftrace_perf_buf_submit(rec, size, rctx, 0, 1, flags);
+	perf_trace_buf_submit(rec, size, rctx, 0, 1, flags, regs);
 }
 
-int prof_sysenter_enable(struct ftrace_event_call *call)
+int perf_sysenter_enable(struct ftrace_event_call *call)
 {
 	int ret = 0;
 	int num;
@@ -478,34 +478,34 @@ int prof_sysenter_enable(struct ftrace_event_call *call)
 	num = ((struct syscall_metadata *)call->data)->syscall_nr;
 
 	mutex_lock(&syscall_trace_lock);
-	if (!sys_prof_refcount_enter)
-		ret = register_trace_sys_enter(prof_syscall_enter);
+	if (!sys_perf_refcount_enter)
+		ret = register_trace_sys_enter(perf_syscall_enter);
 	if (ret) {
 		pr_info("event trace: Could not activate"
 				"syscall entry trace point");
 	} else {
-		set_bit(num, enabled_prof_enter_syscalls);
-		sys_prof_refcount_enter++;
+		set_bit(num, enabled_perf_enter_syscalls);
+		sys_perf_refcount_enter++;
 	}
 	mutex_unlock(&syscall_trace_lock);
 	return ret;
 }
 
-void prof_sysenter_disable(struct ftrace_event_call *call)
+void perf_sysenter_disable(struct ftrace_event_call *call)
 {
 	int num;
 
 	num = ((struct syscall_metadata *)call->data)->syscall_nr;
 
 	mutex_lock(&syscall_trace_lock);
-	sys_prof_refcount_enter--;
-	clear_bit(num, enabled_prof_enter_syscalls);
-	if (!sys_prof_refcount_enter)
-		unregister_trace_sys_enter(prof_syscall_enter);
+	sys_perf_refcount_enter--;
+	clear_bit(num, enabled_perf_enter_syscalls);
+	if (!sys_perf_refcount_enter)
+		unregister_trace_sys_enter(perf_syscall_enter);
 	mutex_unlock(&syscall_trace_lock);
 }
 
-static void prof_syscall_exit(struct pt_regs *regs, long ret)
+static void perf_syscall_exit(struct pt_regs *regs, long ret)
 {
 	struct syscall_metadata *sys_data;
 	struct syscall_trace_exit *rec;
@@ -515,7 +515,7 @@ static void prof_syscall_exit(struct pt_regs *regs, long ret)
 	int size;
 
 	syscall_nr = syscall_get_nr(current, regs);
-	if (!test_bit(syscall_nr, enabled_prof_exit_syscalls))
+	if (!test_bit(syscall_nr, enabled_perf_exit_syscalls))
 		return;
 
 	sys_data = syscall_nr_to_meta(syscall_nr);
@@ -530,11 +530,11 @@ static void prof_syscall_exit(struct pt_regs *regs, long ret)
 	 * Impossible, but be paranoid with the future
 	 * How to put this check outside runtime?
 	 */
-	if (WARN_ONCE(size > FTRACE_MAX_PROFILE_SIZE,
-		"exit event has grown above profile buffer size"))
+	if (WARN_ONCE(size > PERF_MAX_TRACE_SIZE,
+		"exit event has grown above perf buffer size"))
 		return;
 
-	rec = (struct syscall_trace_exit *)ftrace_perf_buf_prepare(size,
+	rec = (struct syscall_trace_exit *)perf_trace_buf_prepare(size,
 				sys_data->exit_event->id, &rctx, &flags);
 	if (!rec)
 		return;
@@ -542,10 +542,10 @@ static void prof_syscall_exit(struct pt_regs *regs, long ret)
 	rec->nr = syscall_nr;
 	rec->ret = syscall_get_return_value(current, regs);
 
-	ftrace_perf_buf_submit(rec, size, rctx, 0, 1, flags);
+	perf_trace_buf_submit(rec, size, rctx, 0, 1, flags, regs);
 }
 
-int prof_sysexit_enable(struct ftrace_event_call *call)
+int perf_sysexit_enable(struct ftrace_event_call *call)
 {
 	int ret = 0;
 	int num;
@@ -553,30 +553,30 @@ int prof_sysexit_enable(struct ftrace_event_call *call)
 	num = ((struct syscall_metadata *)call->data)->syscall_nr;
 
 	mutex_lock(&syscall_trace_lock);
-	if (!sys_prof_refcount_exit)
-		ret = register_trace_sys_exit(prof_syscall_exit);
+	if (!sys_perf_refcount_exit)
+		ret = register_trace_sys_exit(perf_syscall_exit);
 	if (ret) {
 		pr_info("event trace: Could not activate"
 				"syscall exit trace point");
 	} else {
-		set_bit(num, enabled_prof_exit_syscalls);
-		sys_prof_refcount_exit++;
+		set_bit(num, enabled_perf_exit_syscalls);
+		sys_perf_refcount_exit++;
 	}
 	mutex_unlock(&syscall_trace_lock);
 	return ret;
 }
 
-void prof_sysexit_disable(struct ftrace_event_call *call)
+void perf_sysexit_disable(struct ftrace_event_call *call)
 {
 	int num;
 
 	num = ((struct syscall_metadata *)call->data)->syscall_nr;
 
 	mutex_lock(&syscall_trace_lock);
-	sys_prof_refcount_exit--;
-	clear_bit(num, enabled_prof_exit_syscalls);
-	if (!sys_prof_refcount_exit)
-		unregister_trace_sys_exit(prof_syscall_exit);
+	sys_perf_refcount_exit--;
+	clear_bit(num, enabled_perf_exit_syscalls);
+	if (!sys_perf_refcount_exit)
+		unregister_trace_sys_exit(perf_syscall_exit);
 	mutex_unlock(&syscall_trace_lock);
 }
 
diff --git a/kernel/tsacct.c b/kernel/tsacct.c
index 00d59d048edf..0a67e041edf8 100644
--- a/kernel/tsacct.c
+++ b/kernel/tsacct.c
@@ -21,6 +21,7 @@
 #include <linux/tsacct_kern.h>
 #include <linux/acct.h>
 #include <linux/jiffies.h>
+#include <linux/mm.h>
 
 /*
  * fill in basic accounting fields
diff --git a/lib/Kconfig b/lib/Kconfig
index 97b136ff117e..170d8ca901d8 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -160,6 +160,9 @@ config TEXTSEARCH_BM
 config TEXTSEARCH_FSM
 	tristate
 
+config BTREE
+	boolean
+
 config HAS_IOMEM
 	boolean
 	depends on !NO_IOMEM
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 5e3407d997b2..1fafb4b99c9b 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -103,7 +103,8 @@ config HEADERS_CHECK
 
 config DEBUG_SECTION_MISMATCH
 	bool "Enable full Section mismatch analysis"
-	depends on UNDEFINED
+	depends on UNDEFINED || (BLACKFIN)
+	default y
 	# This option is on purpose disabled for now.
 	# It will be enabled when we are down to a reasonable number
 	# of section mismatch warnings (< 10 for an allyesconfig build)
@@ -532,6 +533,14 @@ config LOCK_STAT
 
 	 For more details, see Documentation/lockstat.txt
 
+	 This also enables lock events required by "perf lock",
+	 subcommand of perf.
+	 If you want to use "perf lock", you also need to turn on
+	 CONFIG_EVENT_TRACING.
+
+	 CONFIG_LOCK_STAT defines "contended" and "acquired" lock events.
+	 (CONFIG_LOCKDEP defines "acquire" and "release" events.)
+
 config DEBUG_LOCKDEP
 	bool "Lock dependency engine debugging"
 	depends on DEBUG_KERNEL && LOCKDEP
@@ -864,8 +873,7 @@ config DEBUG_FORCE_WEAK_PER_CPU
 
 config LKDTM
 	tristate "Linux Kernel Dump Test Tool Module"
-	depends on DEBUG_KERNEL
-	depends on KPROBES
+	depends on DEBUG_FS
 	depends on BLOCK
 	default n
 	help
@@ -876,7 +884,7 @@ config LKDTM
 	called lkdtm.
 
 	Documentation on how to use the module can be found in
-	drivers/misc/lkdtm.c
+	Documentation/fault-injection/provoke-crashes.txt
 
 config FAULT_INJECTION
 	bool "Fault-injection framework"
diff --git a/lib/Makefile b/lib/Makefile
index 3b0b4a696db9..2e152aed7198 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -41,6 +41,7 @@ lib-$(CONFIG_GENERIC_FIND_NEXT_BIT) += find_next_bit.o
 obj-$(CONFIG_GENERIC_FIND_LAST_BIT) += find_last_bit.o
 obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o
 obj-$(CONFIG_LOCK_KERNEL) += kernel_lock.o
+obj-$(CONFIG_BTREE) += btree.o
 obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o
 obj-$(CONFIG_DEBUG_LIST) += list_debug.o
 obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o
diff --git a/lib/bitmap.c b/lib/bitmap.c
index 11bf49750583..ffb78c916ccd 100644
--- a/lib/bitmap.c
+++ b/lib/bitmap.c
@@ -487,7 +487,7 @@ int __bitmap_parse(const char *buf, unsigned int buflen,
 EXPORT_SYMBOL(__bitmap_parse);
 
 /**
- * bitmap_parse_user()
+ * bitmap_parse_user - convert an ASCII hex string in a user buffer into a bitmap
  *
  * @ubuf: pointer to user buffer containing string.
  * @ulen: buffer size in bytes.  If string is smaller than this
@@ -619,7 +619,7 @@ int bitmap_parselist(const char *bp, unsigned long *maskp, int nmaskbits)
 EXPORT_SYMBOL(bitmap_parselist);
 
 /**
- * bitmap_pos_to_ord(buf, pos, bits)
+ * bitmap_pos_to_ord - find ordinal of set bit at given position in bitmap
  *	@buf: pointer to a bitmap
  *	@pos: a bit position in @buf (0 <= @pos < @bits)
  *	@bits: number of valid bit positions in @buf
@@ -655,7 +655,7 @@ static int bitmap_pos_to_ord(const unsigned long *buf, int pos, int bits)
 }
 
 /**
- * bitmap_ord_to_pos(buf, ord, bits)
+ * bitmap_ord_to_pos - find position of n-th set bit in bitmap
  *	@buf: pointer to bitmap
  *	@ord: ordinal bit position (n-th set bit, n >= 0)
  *	@bits: number of valid bit positions in @buf
@@ -733,10 +733,9 @@ void bitmap_remap(unsigned long *dst, const unsigned long *src,
 	bitmap_zero(dst, bits);
 
 	w = bitmap_weight(new, bits);
-	for (oldbit = find_first_bit(src, bits);
-	     oldbit < bits;
-	     oldbit = find_next_bit(src, bits, oldbit + 1)) {
+	for_each_set_bit(oldbit, src, bits) {
 	     	int n = bitmap_pos_to_ord(old, oldbit, bits);
+
 		if (n < 0 || w == 0)
 			set_bit(oldbit, dst);	/* identity map */
 		else
@@ -903,9 +902,7 @@ void bitmap_onto(unsigned long *dst, const unsigned long *orig,
 	 */
 
 	m = 0;
-	for (n = find_first_bit(relmap, bits);
-	     n < bits;
-	     n = find_next_bit(relmap, bits, n + 1)) {
+	for_each_set_bit(n, relmap, bits) {
 		/* m == bitmap_pos_to_ord(relmap, n, bits) */
 		if (test_bit(m, orig))
 			set_bit(n, dst);
@@ -934,9 +931,7 @@ void bitmap_fold(unsigned long *dst, const unsigned long *orig,
 		return;
 	bitmap_zero(dst, bits);
 
-	for (oldbit = find_first_bit(orig, bits);
-	     oldbit < bits;
-	     oldbit = find_next_bit(orig, bits, oldbit + 1))
+	for_each_set_bit(oldbit, orig, bits)
 		set_bit(oldbit % sz, dst);
 }
 EXPORT_SYMBOL(bitmap_fold);
diff --git a/lib/btree.c b/lib/btree.c
new file mode 100644
index 000000000000..41859a820218
--- /dev/null
+++ b/lib/btree.c
@@ -0,0 +1,797 @@
+/*
+ * lib/btree.c	- Simple In-memory B+Tree
+ *
+ * As should be obvious for Linux kernel code, license is GPLv2
+ *
+ * Copyright (c) 2007-2008 Joern Engel <joern@logfs.org>
+ * Bits and pieces stolen from Peter Zijlstra's code, which is
+ * Copyright 2007, Red Hat Inc. Peter Zijlstra <pzijlstr@redhat.com>
+ * GPLv2
+ *
+ * see http://programming.kicks-ass.net/kernel-patches/vma_lookup/btree.patch
+ *
+ * A relatively simple B+Tree implementation.  I have written it as a learning
+ * excercise to understand how B+Trees work.  Turned out to be useful as well.
+ *
+ * B+Trees can be used similar to Linux radix trees (which don't have anything
+ * in common with textbook radix trees, beware).  Prerequisite for them working
+ * well is that access to a random tree node is much faster than a large number
+ * of operations within each node.
+ *
+ * Disks have fulfilled the prerequisite for a long time.  More recently DRAM
+ * has gained similar properties, as memory access times, when measured in cpu
+ * cycles, have increased.  Cacheline sizes have increased as well, which also
+ * helps B+Trees.
+ *
+ * Compared to radix trees, B+Trees are more efficient when dealing with a
+ * sparsely populated address space.  Between 25% and 50% of the memory is
+ * occupied with valid pointers.  When densely populated, radix trees contain
+ * ~98% pointers - hard to beat.  Very sparse radix trees contain only ~2%
+ * pointers.
+ *
+ * This particular implementation stores pointers identified by a long value.
+ * Storing NULL pointers is illegal, lookup will return NULL when no entry
+ * was found.
+ *
+ * A tricks was used that is not commonly found in textbooks.  The lowest
+ * values are to the right, not to the left.  All used slots within a node
+ * are on the left, all unused slots contain NUL values.  Most operations
+ * simply loop once over all slots and terminate on the first NUL.
+ */
+
+#include <linux/btree.h>
+#include <linux/cache.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+#define NODESIZE MAX(L1_CACHE_BYTES, 128)
+
+struct btree_geo {
+	int keylen;
+	int no_pairs;
+	int no_longs;
+};
+
+struct btree_geo btree_geo32 = {
+	.keylen = 1,
+	.no_pairs = NODESIZE / sizeof(long) / 2,
+	.no_longs = NODESIZE / sizeof(long) / 2,
+};
+EXPORT_SYMBOL_GPL(btree_geo32);
+
+#define LONG_PER_U64 (64 / BITS_PER_LONG)
+struct btree_geo btree_geo64 = {
+	.keylen = LONG_PER_U64,
+	.no_pairs = NODESIZE / sizeof(long) / (1 + LONG_PER_U64),
+	.no_longs = LONG_PER_U64 * (NODESIZE / sizeof(long) / (1 + LONG_PER_U64)),
+};
+EXPORT_SYMBOL_GPL(btree_geo64);
+
+struct btree_geo btree_geo128 = {
+	.keylen = 2 * LONG_PER_U64,
+	.no_pairs = NODESIZE / sizeof(long) / (1 + 2 * LONG_PER_U64),
+	.no_longs = 2 * LONG_PER_U64 * (NODESIZE / sizeof(long) / (1 + 2 * LONG_PER_U64)),
+};
+EXPORT_SYMBOL_GPL(btree_geo128);
+
+static struct kmem_cache *btree_cachep;
+
+void *btree_alloc(gfp_t gfp_mask, void *pool_data)
+{
+	return kmem_cache_alloc(btree_cachep, gfp_mask);
+}
+EXPORT_SYMBOL_GPL(btree_alloc);
+
+void btree_free(void *element, void *pool_data)
+{
+	kmem_cache_free(btree_cachep, element);
+}
+EXPORT_SYMBOL_GPL(btree_free);
+
+static unsigned long *btree_node_alloc(struct btree_head *head, gfp_t gfp)
+{
+	unsigned long *node;
+
+	node = mempool_alloc(head->mempool, gfp);
+	memset(node, 0, NODESIZE);
+	return node;
+}
+
+static int longcmp(const unsigned long *l1, const unsigned long *l2, size_t n)
+{
+	size_t i;
+
+	for (i = 0; i < n; i++) {
+		if (l1[i] < l2[i])
+			return -1;
+		if (l1[i] > l2[i])
+			return 1;
+	}
+	return 0;
+}
+
+static unsigned long *longcpy(unsigned long *dest, const unsigned long *src,
+		size_t n)
+{
+	size_t i;
+
+	for (i = 0; i < n; i++)
+		dest[i] = src[i];
+	return dest;
+}
+
+static unsigned long *longset(unsigned long *s, unsigned long c, size_t n)
+{
+	size_t i;
+
+	for (i = 0; i < n; i++)
+		s[i] = c;
+	return s;
+}
+
+static void dec_key(struct btree_geo *geo, unsigned long *key)
+{
+	unsigned long val;
+	int i;
+
+	for (i = geo->keylen - 1; i >= 0; i--) {
+		val = key[i];
+		key[i] = val - 1;
+		if (val)
+			break;
+	}
+}
+
+static unsigned long *bkey(struct btree_geo *geo, unsigned long *node, int n)
+{
+	return &node[n * geo->keylen];
+}
+
+static void *bval(struct btree_geo *geo, unsigned long *node, int n)
+{
+	return (void *)node[geo->no_longs + n];
+}
+
+static void setkey(struct btree_geo *geo, unsigned long *node, int n,
+		   unsigned long *key)
+{
+	longcpy(bkey(geo, node, n), key, geo->keylen);
+}
+
+static void setval(struct btree_geo *geo, unsigned long *node, int n,
+		   void *val)
+{
+	node[geo->no_longs + n] = (unsigned long) val;
+}
+
+static void clearpair(struct btree_geo *geo, unsigned long *node, int n)
+{
+	longset(bkey(geo, node, n), 0, geo->keylen);
+	node[geo->no_longs + n] = 0;
+}
+
+static inline void __btree_init(struct btree_head *head)
+{
+	head->node = NULL;
+	head->height = 0;
+}
+
+void btree_init_mempool(struct btree_head *head, mempool_t *mempool)
+{
+	__btree_init(head);
+	head->mempool = mempool;
+}
+EXPORT_SYMBOL_GPL(btree_init_mempool);
+
+int btree_init(struct btree_head *head)
+{
+	__btree_init(head);
+	head->mempool = mempool_create(0, btree_alloc, btree_free, NULL);
+	if (!head->mempool)
+		return -ENOMEM;
+	return 0;
+}
+EXPORT_SYMBOL_GPL(btree_init);
+
+void btree_destroy(struct btree_head *head)
+{
+	mempool_destroy(head->mempool);
+	head->mempool = NULL;
+}
+EXPORT_SYMBOL_GPL(btree_destroy);
+
+void *btree_last(struct btree_head *head, struct btree_geo *geo,
+		 unsigned long *key)
+{
+	int height = head->height;
+	unsigned long *node = head->node;
+
+	if (height == 0)
+		return NULL;
+
+	for ( ; height > 1; height--)
+		node = bval(geo, node, 0);
+
+	longcpy(key, bkey(geo, node, 0), geo->keylen);
+	return bval(geo, node, 0);
+}
+EXPORT_SYMBOL_GPL(btree_last);
+
+static int keycmp(struct btree_geo *geo, unsigned long *node, int pos,
+		  unsigned long *key)
+{
+	return longcmp(bkey(geo, node, pos), key, geo->keylen);
+}
+
+static int keyzero(struct btree_geo *geo, unsigned long *key)
+{
+	int i;
+
+	for (i = 0; i < geo->keylen; i++)
+		if (key[i])
+			return 0;
+
+	return 1;
+}
+
+void *btree_lookup(struct btree_head *head, struct btree_geo *geo,
+		unsigned long *key)
+{
+	int i, height = head->height;
+	unsigned long *node = head->node;
+
+	if (height == 0)
+		return NULL;
+
+	for ( ; height > 1; height--) {
+		for (i = 0; i < geo->no_pairs; i++)
+			if (keycmp(geo, node, i, key) <= 0)
+				break;
+		if (i == geo->no_pairs)
+			return NULL;
+		node = bval(geo, node, i);
+		if (!node)
+			return NULL;
+	}
+
+	if (!node)
+		return NULL;
+
+	for (i = 0; i < geo->no_pairs; i++)
+		if (keycmp(geo, node, i, key) == 0)
+			return bval(geo, node, i);
+	return NULL;
+}
+EXPORT_SYMBOL_GPL(btree_lookup);
+
+int btree_update(struct btree_head *head, struct btree_geo *geo,
+		 unsigned long *key, void *val)
+{
+	int i, height = head->height;
+	unsigned long *node = head->node;
+
+	if (height == 0)
+		return -ENOENT;
+
+	for ( ; height > 1; height--) {
+		for (i = 0; i < geo->no_pairs; i++)
+			if (keycmp(geo, node, i, key) <= 0)
+				break;
+		if (i == geo->no_pairs)
+			return -ENOENT;
+		node = bval(geo, node, i);
+		if (!node)
+			return -ENOENT;
+	}
+
+	if (!node)
+		return -ENOENT;
+
+	for (i = 0; i < geo->no_pairs; i++)
+		if (keycmp(geo, node, i, key) == 0) {
+			setval(geo, node, i, val);
+			return 0;
+		}
+	return -ENOENT;
+}
+EXPORT_SYMBOL_GPL(btree_update);
+
+/*
+ * Usually this function is quite similar to normal lookup.  But the key of
+ * a parent node may be smaller than the smallest key of all its siblings.
+ * In such a case we cannot just return NULL, as we have only proven that no
+ * key smaller than __key, but larger than this parent key exists.
+ * So we set __key to the parent key and retry.  We have to use the smallest
+ * such parent key, which is the last parent key we encountered.
+ */
+void *btree_get_prev(struct btree_head *head, struct btree_geo *geo,
+		     unsigned long *__key)
+{
+	int i, height;
+	unsigned long *node, *oldnode;
+	unsigned long *retry_key = NULL, key[geo->keylen];
+
+	if (keyzero(geo, __key))
+		return NULL;
+
+	if (head->height == 0)
+		return NULL;
+retry:
+	longcpy(key, __key, geo->keylen);
+	dec_key(geo, key);
+
+	node = head->node;
+	for (height = head->height ; height > 1; height--) {
+		for (i = 0; i < geo->no_pairs; i++)
+			if (keycmp(geo, node, i, key) <= 0)
+				break;
+		if (i == geo->no_pairs)
+			goto miss;
+		oldnode = node;
+		node = bval(geo, node, i);
+		if (!node)
+			goto miss;
+		retry_key = bkey(geo, oldnode, i);
+	}
+
+	if (!node)
+		goto miss;
+
+	for (i = 0; i < geo->no_pairs; i++) {
+		if (keycmp(geo, node, i, key) <= 0) {
+			if (bval(geo, node, i)) {
+				longcpy(__key, bkey(geo, node, i), geo->keylen);
+				return bval(geo, node, i);
+			} else
+				goto miss;
+		}
+	}
+miss:
+	if (retry_key) {
+		__key = retry_key;
+		retry_key = NULL;
+		goto retry;
+	}
+	return NULL;
+}
+
+static int getpos(struct btree_geo *geo, unsigned long *node,
+		unsigned long *key)
+{
+	int i;
+
+	for (i = 0; i < geo->no_pairs; i++) {
+		if (keycmp(geo, node, i, key) <= 0)
+			break;
+	}
+	return i;
+}
+
+static int getfill(struct btree_geo *geo, unsigned long *node, int start)
+{
+	int i;
+
+	for (i = start; i < geo->no_pairs; i++)
+		if (!bval(geo, node, i))
+			break;
+	return i;
+}
+
+/*
+ * locate the correct leaf node in the btree
+ */
+static unsigned long *find_level(struct btree_head *head, struct btree_geo *geo,
+		unsigned long *key, int level)
+{
+	unsigned long *node = head->node;
+	int i, height;
+
+	for (height = head->height; height > level; height--) {
+		for (i = 0; i < geo->no_pairs; i++)
+			if (keycmp(geo, node, i, key) <= 0)
+				break;
+
+		if ((i == geo->no_pairs) || !bval(geo, node, i)) {
+			/* right-most key is too large, update it */
+			/* FIXME: If the right-most key on higher levels is
+			 * always zero, this wouldn't be necessary. */
+			i--;
+			setkey(geo, node, i, key);
+		}
+		BUG_ON(i < 0);
+		node = bval(geo, node, i);
+	}
+	BUG_ON(!node);
+	return node;
+}
+
+static int btree_grow(struct btree_head *head, struct btree_geo *geo,
+		      gfp_t gfp)
+{
+	unsigned long *node;
+	int fill;
+
+	node = btree_node_alloc(head, gfp);
+	if (!node)
+		return -ENOMEM;
+	if (head->node) {
+		fill = getfill(geo, head->node, 0);
+		setkey(geo, node, 0, bkey(geo, head->node, fill - 1));
+		setval(geo, node, 0, head->node);
+	}
+	head->node = node;
+	head->height++;
+	return 0;
+}
+
+static void btree_shrink(struct btree_head *head, struct btree_geo *geo)
+{
+	unsigned long *node;
+	int fill;
+
+	if (head->height <= 1)
+		return;
+
+	node = head->node;
+	fill = getfill(geo, node, 0);
+	BUG_ON(fill > 1);
+	head->node = bval(geo, node, 0);
+	head->height--;
+	mempool_free(node, head->mempool);
+}
+
+static int btree_insert_level(struct btree_head *head, struct btree_geo *geo,
+			      unsigned long *key, void *val, int level,
+			      gfp_t gfp)
+{
+	unsigned long *node;
+	int i, pos, fill, err;
+
+	BUG_ON(!val);
+	if (head->height < level) {
+		err = btree_grow(head, geo, gfp);
+		if (err)
+			return err;
+	}
+
+retry:
+	node = find_level(head, geo, key, level);
+	pos = getpos(geo, node, key);
+	fill = getfill(geo, node, pos);
+	/* two identical keys are not allowed */
+	BUG_ON(pos < fill && keycmp(geo, node, pos, key) == 0);
+
+	if (fill == geo->no_pairs) {
+		/* need to split node */
+		unsigned long *new;
+
+		new = btree_node_alloc(head, gfp);
+		if (!new)
+			return -ENOMEM;
+		err = btree_insert_level(head, geo,
+				bkey(geo, node, fill / 2 - 1),
+				new, level + 1, gfp);
+		if (err) {
+			mempool_free(new, head->mempool);
+			return err;
+		}
+		for (i = 0; i < fill / 2; i++) {
+			setkey(geo, new, i, bkey(geo, node, i));
+			setval(geo, new, i, bval(geo, node, i));
+			setkey(geo, node, i, bkey(geo, node, i + fill / 2));
+			setval(geo, node, i, bval(geo, node, i + fill / 2));
+			clearpair(geo, node, i + fill / 2);
+		}
+		if (fill & 1) {
+			setkey(geo, node, i, bkey(geo, node, fill - 1));
+			setval(geo, node, i, bval(geo, node, fill - 1));
+			clearpair(geo, node, fill - 1);
+		}
+		goto retry;
+	}
+	BUG_ON(fill >= geo->no_pairs);
+
+	/* shift and insert */
+	for (i = fill; i > pos; i--) {
+		setkey(geo, node, i, bkey(geo, node, i - 1));
+		setval(geo, node, i, bval(geo, node, i - 1));
+	}
+	setkey(geo, node, pos, key);
+	setval(geo, node, pos, val);
+
+	return 0;
+}
+
+int btree_insert(struct btree_head *head, struct btree_geo *geo,
+		unsigned long *key, void *val, gfp_t gfp)
+{
+	return btree_insert_level(head, geo, key, val, 1, gfp);
+}
+EXPORT_SYMBOL_GPL(btree_insert);
+
+static void *btree_remove_level(struct btree_head *head, struct btree_geo *geo,
+		unsigned long *key, int level);
+static void merge(struct btree_head *head, struct btree_geo *geo, int level,
+		unsigned long *left, int lfill,
+		unsigned long *right, int rfill,
+		unsigned long *parent, int lpos)
+{
+	int i;
+
+	for (i = 0; i < rfill; i++) {
+		/* Move all keys to the left */
+		setkey(geo, left, lfill + i, bkey(geo, right, i));
+		setval(geo, left, lfill + i, bval(geo, right, i));
+	}
+	/* Exchange left and right child in parent */
+	setval(geo, parent, lpos, right);
+	setval(geo, parent, lpos + 1, left);
+	/* Remove left (formerly right) child from parent */
+	btree_remove_level(head, geo, bkey(geo, parent, lpos), level + 1);
+	mempool_free(right, head->mempool);
+}
+
+static void rebalance(struct btree_head *head, struct btree_geo *geo,
+		unsigned long *key, int level, unsigned long *child, int fill)
+{
+	unsigned long *parent, *left = NULL, *right = NULL;
+	int i, no_left, no_right;
+
+	if (fill == 0) {
+		/* Because we don't steal entries from a neigbour, this case
+		 * can happen.  Parent node contains a single child, this
+		 * node, so merging with a sibling never happens.
+		 */
+		btree_remove_level(head, geo, key, level + 1);
+		mempool_free(child, head->mempool);
+		return;
+	}
+
+	parent = find_level(head, geo, key, level + 1);
+	i = getpos(geo, parent, key);
+	BUG_ON(bval(geo, parent, i) != child);
+
+	if (i > 0) {
+		left = bval(geo, parent, i - 1);
+		no_left = getfill(geo, left, 0);
+		if (fill + no_left <= geo->no_pairs) {
+			merge(head, geo, level,
+					left, no_left,
+					child, fill,
+					parent, i - 1);
+			return;
+		}
+	}
+	if (i + 1 < getfill(geo, parent, i)) {
+		right = bval(geo, parent, i + 1);
+		no_right = getfill(geo, right, 0);
+		if (fill + no_right <= geo->no_pairs) {
+			merge(head, geo, level,
+					child, fill,
+					right, no_right,
+					parent, i);
+			return;
+		}
+	}
+	/*
+	 * We could also try to steal one entry from the left or right
+	 * neighbor.  By not doing so we changed the invariant from
+	 * "all nodes are at least half full" to "no two neighboring
+	 * nodes can be merged".  Which means that the average fill of
+	 * all nodes is still half or better.
+	 */
+}
+
+static void *btree_remove_level(struct btree_head *head, struct btree_geo *geo,
+		unsigned long *key, int level)
+{
+	unsigned long *node;
+	int i, pos, fill;
+	void *ret;
+
+	if (level > head->height) {
+		/* we recursed all the way up */
+		head->height = 0;
+		head->node = NULL;
+		return NULL;
+	}
+
+	node = find_level(head, geo, key, level);
+	pos = getpos(geo, node, key);
+	fill = getfill(geo, node, pos);
+	if ((level == 1) && (keycmp(geo, node, pos, key) != 0))
+		return NULL;
+	ret = bval(geo, node, pos);
+
+	/* remove and shift */
+	for (i = pos; i < fill - 1; i++) {
+		setkey(geo, node, i, bkey(geo, node, i + 1));
+		setval(geo, node, i, bval(geo, node, i + 1));
+	}
+	clearpair(geo, node, fill - 1);
+
+	if (fill - 1 < geo->no_pairs / 2) {
+		if (level < head->height)
+			rebalance(head, geo, key, level, node, fill - 1);
+		else if (fill - 1 == 1)
+			btree_shrink(head, geo);
+	}
+
+	return ret;
+}
+
+void *btree_remove(struct btree_head *head, struct btree_geo *geo,
+		unsigned long *key)
+{
+	if (head->height == 0)
+		return NULL;
+
+	return btree_remove_level(head, geo, key, 1);
+}
+EXPORT_SYMBOL_GPL(btree_remove);
+
+int btree_merge(struct btree_head *target, struct btree_head *victim,
+		struct btree_geo *geo, gfp_t gfp)
+{
+	unsigned long key[geo->keylen];
+	unsigned long dup[geo->keylen];
+	void *val;
+	int err;
+
+	BUG_ON(target == victim);
+
+	if (!(target->node)) {
+		/* target is empty, just copy fields over */
+		target->node = victim->node;
+		target->height = victim->height;
+		__btree_init(victim);
+		return 0;
+	}
+
+	/* TODO: This needs some optimizations.  Currently we do three tree
+	 * walks to remove a single object from the victim.
+	 */
+	for (;;) {
+		if (!btree_last(victim, geo, key))
+			break;
+		val = btree_lookup(victim, geo, key);
+		err = btree_insert(target, geo, key, val, gfp);
+		if (err)
+			return err;
+		/* We must make a copy of the key, as the original will get
+		 * mangled inside btree_remove. */
+		longcpy(dup, key, geo->keylen);
+		btree_remove(victim, geo, dup);
+	}
+	return 0;
+}
+EXPORT_SYMBOL_GPL(btree_merge);
+
+static size_t __btree_for_each(struct btree_head *head, struct btree_geo *geo,
+			       unsigned long *node, unsigned long opaque,
+			       void (*func)(void *elem, unsigned long opaque,
+					    unsigned long *key, size_t index,
+					    void *func2),
+			       void *func2, int reap, int height, size_t count)
+{
+	int i;
+	unsigned long *child;
+
+	for (i = 0; i < geo->no_pairs; i++) {
+		child = bval(geo, node, i);
+		if (!child)
+			break;
+		if (height > 1)
+			count = __btree_for_each(head, geo, child, opaque,
+					func, func2, reap, height - 1, count);
+		else
+			func(child, opaque, bkey(geo, node, i), count++,
+					func2);
+	}
+	if (reap)
+		mempool_free(node, head->mempool);
+	return count;
+}
+
+static void empty(void *elem, unsigned long opaque, unsigned long *key,
+		  size_t index, void *func2)
+{
+}
+
+void visitorl(void *elem, unsigned long opaque, unsigned long *key,
+	      size_t index, void *__func)
+{
+	visitorl_t func = __func;
+
+	func(elem, opaque, *key, index);
+}
+EXPORT_SYMBOL_GPL(visitorl);
+
+void visitor32(void *elem, unsigned long opaque, unsigned long *__key,
+	       size_t index, void *__func)
+{
+	visitor32_t func = __func;
+	u32 *key = (void *)__key;
+
+	func(elem, opaque, *key, index);
+}
+EXPORT_SYMBOL_GPL(visitor32);
+
+void visitor64(void *elem, unsigned long opaque, unsigned long *__key,
+	       size_t index, void *__func)
+{
+	visitor64_t func = __func;
+	u64 *key = (void *)__key;
+
+	func(elem, opaque, *key, index);
+}
+EXPORT_SYMBOL_GPL(visitor64);
+
+void visitor128(void *elem, unsigned long opaque, unsigned long *__key,
+		size_t index, void *__func)
+{
+	visitor128_t func = __func;
+	u64 *key = (void *)__key;
+
+	func(elem, opaque, key[0], key[1], index);
+}
+EXPORT_SYMBOL_GPL(visitor128);
+
+size_t btree_visitor(struct btree_head *head, struct btree_geo *geo,
+		     unsigned long opaque,
+		     void (*func)(void *elem, unsigned long opaque,
+		     		  unsigned long *key,
+		     		  size_t index, void *func2),
+		     void *func2)
+{
+	size_t count = 0;
+
+	if (!func2)
+		func = empty;
+	if (head->node)
+		count = __btree_for_each(head, geo, head->node, opaque, func,
+				func2, 0, head->height, 0);
+	return count;
+}
+EXPORT_SYMBOL_GPL(btree_visitor);
+
+size_t btree_grim_visitor(struct btree_head *head, struct btree_geo *geo,
+			  unsigned long opaque,
+			  void (*func)(void *elem, unsigned long opaque,
+				       unsigned long *key,
+				       size_t index, void *func2),
+			  void *func2)
+{
+	size_t count = 0;
+
+	if (!func2)
+		func = empty;
+	if (head->node)
+		count = __btree_for_each(head, geo, head->node, opaque, func,
+				func2, 1, head->height, 0);
+	__btree_init(head);
+	return count;
+}
+EXPORT_SYMBOL_GPL(btree_grim_visitor);
+
+static int __init btree_module_init(void)
+{
+	btree_cachep = kmem_cache_create("btree_node", NODESIZE, 0,
+			SLAB_HWCACHE_ALIGN, NULL);
+	return 0;
+}
+
+static void __exit btree_module_exit(void)
+{
+	kmem_cache_destroy(btree_cachep);
+}
+
+/* If core code starts using btree, initialization should happen even earlier */
+module_init(btree_module_init);
+module_exit(btree_module_exit);
+
+MODULE_AUTHOR("Joern Engel <joern@logfs.org>");
+MODULE_AUTHOR("Johannes Berg <johannes@sipsolutions.net>");
+MODULE_LICENSE("GPL");
diff --git a/lib/crc32.c b/lib/crc32.c
index 02e3b31b3a79..0f45fbff34cb 100644
--- a/lib/crc32.c
+++ b/lib/crc32.c
@@ -30,11 +30,15 @@
 #include <asm/atomic.h>
 #include "crc32defs.h"
 #if CRC_LE_BITS == 8
-#define tole(x) __constant_cpu_to_le32(x)
-#define tobe(x) __constant_cpu_to_be32(x)
+# define tole(x) __constant_cpu_to_le32(x)
 #else
-#define tole(x) (x)
-#define tobe(x) (x)
+# define tole(x) (x)
+#endif
+
+#if CRC_BE_BITS == 8
+# define tobe(x) __constant_cpu_to_be32(x)
+#else
+# define tobe(x) (x)
 #endif
 #include "crc32table.h"
 
@@ -52,20 +56,19 @@ crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 *tab)
 # else
 #  define DO_CRC(x) crc = tab[((crc >> 24) ^ (x)) & 255] ^ (crc << 8)
 # endif
-	const u32 *b = (const u32 *)buf;
+	const u32 *b;
 	size_t    rem_len;
 
 	/* Align it */
-	if (unlikely((long)b & 3 && len)) {
-		u8 *p = (u8 *)b;
+	if (unlikely((long)buf & 3 && len)) {
 		do {
-			DO_CRC(*p++);
-		} while ((--len) && ((long)p)&3);
-		b = (u32 *)p;
+			DO_CRC(*buf++);
+		} while ((--len) && ((long)buf)&3);
 	}
 	rem_len = len & 3;
 	/* load data 32 bits wide, xor data 32 bits wide. */
 	len = len >> 2;
+	b = (const u32 *)buf;
 	for (--b; len; --len) {
 		crc ^= *++b; /* use pre increment for speed */
 		DO_CRC(0);
@@ -82,6 +85,7 @@ crc32_body(u32 crc, unsigned char const *buf, size_t len, const u32 *tab)
 		} while (--len);
 	}
 	return crc;
+#undef DO_CRC
 }
 #endif
 /**
@@ -119,9 +123,6 @@ u32 __pure crc32_le(u32 crc, unsigned char const *p, size_t len)
 	crc = __cpu_to_le32(crc);
 	crc = crc32_body(crc, p, len, tab);
 	return __le32_to_cpu(crc);
-#undef ENDIAN_SHIFT
-#undef DO_CRC
-
 # elif CRC_LE_BITS == 4
 	while (len--) {
 		crc ^= *p++;
@@ -179,9 +180,6 @@ u32 __pure crc32_be(u32 crc, unsigned char const *p, size_t len)
 	crc = __cpu_to_be32(crc);
 	crc = crc32_body(crc, p, len, tab);
 	return __be32_to_cpu(crc);
-#undef ENDIAN_SHIFT
-#undef DO_CRC
-
 # elif CRC_BE_BITS == 4
 	while (len--) {
 		crc ^= *p++ << 24;
diff --git a/lib/kobject.c b/lib/kobject.c
index b512b746d2af..8115eb1bbf4d 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -700,7 +700,7 @@ static ssize_t kobj_attr_store(struct kobject *kobj, struct attribute *attr,
 	return ret;
 }
 
-struct sysfs_ops kobj_sysfs_ops = {
+const struct sysfs_ops kobj_sysfs_ops = {
 	.show	= kobj_attr_show,
 	.store	= kobj_attr_store,
 };
@@ -789,7 +789,7 @@ static struct kobj_type kset_ktype = {
  * If the kset was not able to be created, NULL will be returned.
  */
 static struct kset *kset_create(const char *name,
-				struct kset_uevent_ops *uevent_ops,
+				const struct kset_uevent_ops *uevent_ops,
 				struct kobject *parent_kobj)
 {
 	struct kset *kset;
@@ -832,7 +832,7 @@ static struct kset *kset_create(const char *name,
  * If the kset was not able to be created, NULL will be returned.
  */
 struct kset *kset_create_and_add(const char *name,
-				 struct kset_uevent_ops *uevent_ops,
+				 const struct kset_uevent_ops *uevent_ops,
 				 struct kobject *parent_kobj)
 {
 	struct kset *kset;
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 920a3ca6e259..c9d3a3e8405d 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -95,7 +95,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 	const char *subsystem;
 	struct kobject *top_kobj;
 	struct kset *kset;
-	struct kset_uevent_ops *uevent_ops;
+	const struct kset_uevent_ops *uevent_ops;
 	u64 seq;
 	int i = 0;
 	int retval = 0;
diff --git a/lib/list_sort.c b/lib/list_sort.c
index 19d11e0bb958..4b5cb794c38b 100644
--- a/lib/list_sort.c
+++ b/lib/list_sort.c
@@ -4,99 +4,214 @@
 #include <linux/slab.h>
 #include <linux/list.h>
 
+#define MAX_LIST_LENGTH_BITS 20
+
+/*
+ * Returns a list organized in an intermediate format suited
+ * to chaining of merge() calls: null-terminated, no reserved or
+ * sentinel head node, "prev" links not maintained.
+ */
+static struct list_head *merge(void *priv,
+				int (*cmp)(void *priv, struct list_head *a,
+					struct list_head *b),
+				struct list_head *a, struct list_head *b)
+{
+	struct list_head head, *tail = &head;
+
+	while (a && b) {
+		/* if equal, take 'a' -- important for sort stability */
+		if ((*cmp)(priv, a, b) <= 0) {
+			tail->next = a;
+			a = a->next;
+		} else {
+			tail->next = b;
+			b = b->next;
+		}
+		tail = tail->next;
+	}
+	tail->next = a?:b;
+	return head.next;
+}
+
+/*
+ * Combine final list merge with restoration of standard doubly-linked
+ * list structure.  This approach duplicates code from merge(), but
+ * runs faster than the tidier alternatives of either a separate final
+ * prev-link restoration pass, or maintaining the prev links
+ * throughout.
+ */
+static void merge_and_restore_back_links(void *priv,
+				int (*cmp)(void *priv, struct list_head *a,
+					struct list_head *b),
+				struct list_head *head,
+				struct list_head *a, struct list_head *b)
+{
+	struct list_head *tail = head;
+
+	while (a && b) {
+		/* if equal, take 'a' -- important for sort stability */
+		if ((*cmp)(priv, a, b) <= 0) {
+			tail->next = a;
+			a->prev = tail;
+			a = a->next;
+		} else {
+			tail->next = b;
+			b->prev = tail;
+			b = b->next;
+		}
+		tail = tail->next;
+	}
+	tail->next = a ? : b;
+
+	do {
+		/*
+		 * In worst cases this loop may run many iterations.
+		 * Continue callbacks to the client even though no
+		 * element comparison is needed, so the client's cmp()
+		 * routine can invoke cond_resched() periodically.
+		 */
+		(*cmp)(priv, tail, tail);
+
+		tail->next->prev = tail;
+		tail = tail->next;
+	} while (tail->next);
+
+	tail->next = head;
+	head->prev = tail;
+}
+
 /**
- * list_sort - sort a list.
- * @priv: private data, passed to @cmp
+ * list_sort - sort a list
+ * @priv: private data, opaque to list_sort(), passed to @cmp
  * @head: the list to sort
  * @cmp: the elements comparison function
  *
- * This function has been implemented by Mark J Roberts <mjr@znex.org>. It
- * implements "merge sort" which has O(nlog(n)) complexity. The list is sorted
- * in ascending order.
+ * This function implements "merge sort", which has O(nlog(n))
+ * complexity.
  *
- * The comparison function @cmp is supposed to return a negative value if @a is
- * less than @b, and a positive value if @a is greater than @b. If @a and @b
- * are equivalent, then it does not matter what this function returns.
+ * The comparison function @cmp must return a negative value if @a
+ * should sort before @b, and a positive value if @a should sort after
+ * @b. If @a and @b are equivalent, and their original relative
+ * ordering is to be preserved, @cmp must return 0.
  */
 void list_sort(void *priv, struct list_head *head,
-	       int (*cmp)(void *priv, struct list_head *a,
-			  struct list_head *b))
+		int (*cmp)(void *priv, struct list_head *a,
+			struct list_head *b))
 {
-	struct list_head *p, *q, *e, *list, *tail, *oldhead;
-	int insize, nmerges, psize, qsize, i;
+	struct list_head *part[MAX_LIST_LENGTH_BITS+1]; /* sorted partial lists
+						-- last slot is a sentinel */
+	int lev;  /* index into part[] */
+	int max_lev = 0;
+	struct list_head *list;
 
 	if (list_empty(head))
 		return;
 
+	memset(part, 0, sizeof(part));
+
+	head->prev->next = NULL;
 	list = head->next;
-	list_del(head);
-	insize = 1;
-	for (;;) {
-		p = oldhead = list;
-		list = tail = NULL;
-		nmerges = 0;
-
-		while (p) {
-			nmerges++;
-			q = p;
-			psize = 0;
-			for (i = 0; i < insize; i++) {
-				psize++;
-				q = q->next == oldhead ? NULL : q->next;
-				if (!q)
-					break;
-			}
 
-			qsize = insize;
-			while (psize > 0 || (qsize > 0 && q)) {
-				if (!psize) {
-					e = q;
-					q = q->next;
-					qsize--;
-					if (q == oldhead)
-						q = NULL;
-				} else if (!qsize || !q) {
-					e = p;
-					p = p->next;
-					psize--;
-					if (p == oldhead)
-						p = NULL;
-				} else if (cmp(priv, p, q) <= 0) {
-					e = p;
-					p = p->next;
-					psize--;
-					if (p == oldhead)
-						p = NULL;
-				} else {
-					e = q;
-					q = q->next;
-					qsize--;
-					if (q == oldhead)
-						q = NULL;
-				}
-				if (tail)
-					tail->next = e;
-				else
-					list = e;
-				e->prev = tail;
-				tail = e;
+	while (list) {
+		struct list_head *cur = list;
+		list = list->next;
+		cur->next = NULL;
+
+		for (lev = 0; part[lev]; lev++) {
+			cur = merge(priv, cmp, part[lev], cur);
+			part[lev] = NULL;
+		}
+		if (lev > max_lev) {
+			if (unlikely(lev >= ARRAY_SIZE(part)-1)) {
+				printk_once(KERN_DEBUG "list passed to"
+					" list_sort() too long for"
+					" efficiency\n");
+				lev--;
 			}
-			p = q;
+			max_lev = lev;
 		}
+		part[lev] = cur;
+	}
 
-		tail->next = list;
-		list->prev = tail;
+	for (lev = 0; lev < max_lev; lev++)
+		if (part[lev])
+			list = merge(priv, cmp, part[lev], list);
 
-		if (nmerges <= 1)
-			break;
+	merge_and_restore_back_links(priv, cmp, head, part[max_lev], list);
+}
+EXPORT_SYMBOL(list_sort);
 
-		insize *= 2;
-	}
+#ifdef DEBUG_LIST_SORT
+struct debug_el {
+	struct list_head l_h;
+	int value;
+	unsigned serial;
+};
 
-	head->next = list;
-	head->prev = list->prev;
-	list->prev->next = head;
-	list->prev = head;
+static int cmp(void *priv, struct list_head *a, struct list_head *b)
+{
+	return container_of(a, struct debug_el, l_h)->value
+	     - container_of(b, struct debug_el, l_h)->value;
 }
 
-EXPORT_SYMBOL(list_sort);
+/*
+ * The pattern of set bits in the list length determines which cases
+ * are hit in list_sort().
+ */
+#define LIST_SORT_TEST_LENGTH (512+128+2) /* not including head */
+
+static int __init list_sort_test(void)
+{
+	int i, r = 1, count;
+	struct list_head *head = kmalloc(sizeof(*head), GFP_KERNEL);
+	struct list_head *cur;
+
+	printk(KERN_WARNING "testing list_sort()\n");
+
+	cur = head;
+	for (i = 0; i < LIST_SORT_TEST_LENGTH; i++) {
+		struct debug_el *el = kmalloc(sizeof(*el), GFP_KERNEL);
+		BUG_ON(!el);
+		 /* force some equivalencies */
+		el->value = (r = (r * 725861) % 6599) % (LIST_SORT_TEST_LENGTH/3);
+		el->serial = i;
+
+		el->l_h.prev = cur;
+		cur->next = &el->l_h;
+		cur = cur->next;
+	}
+	head->prev = cur;
+
+	list_sort(NULL, head, cmp);
+
+	count = 1;
+	for (cur = head->next; cur->next != head; cur = cur->next) {
+		struct debug_el *el = container_of(cur, struct debug_el, l_h);
+		int cmp_result = cmp(NULL, cur, cur->next);
+		if (cur->next->prev != cur) {
+			printk(KERN_EMERG "list_sort() returned "
+						"a corrupted list!\n");
+			return 1;
+		} else if (cmp_result > 0) {
+			printk(KERN_EMERG "list_sort() failed to sort!\n");
+			return 1;
+		} else if (cmp_result == 0 &&
+				el->serial >= container_of(cur->next,
+					struct debug_el, l_h)->serial) {
+			printk(KERN_EMERG "list_sort() failed to preserve order"
+						 " of equivalent elements!\n");
+			return 1;
+		}
+		kfree(cur->prev);
+		count++;
+	}
+	kfree(cur);
+	if (count != LIST_SORT_TEST_LENGTH) {
+		printk(KERN_EMERG "list_sort() returned list of"
+						"different length!\n");
+		return 1;
+	}
+	return 0;
+}
+module_init(list_sort_test);
+#endif
diff --git a/lib/show_mem.c b/lib/show_mem.c
index 238e72a18ce1..fdc77c82f922 100644
--- a/lib/show_mem.c
+++ b/lib/show_mem.c
@@ -15,7 +15,7 @@ void show_mem(void)
 	unsigned long total = 0, reserved = 0, shared = 0,
 		nonshared = 0, highmem = 0;
 
-	printk(KERN_INFO "Mem-Info:\n");
+	printk("Mem-Info:\n");
 	show_free_areas();
 
 	for_each_online_pgdat(pgdat) {
@@ -49,15 +49,15 @@ void show_mem(void)
 		pgdat_resize_unlock(pgdat, &flags);
 	}
 
-	printk(KERN_INFO "%lu pages RAM\n", total);
+	printk("%lu pages RAM\n", total);
 #ifdef CONFIG_HIGHMEM
-	printk(KERN_INFO "%lu pages HighMem\n", highmem);
+	printk("%lu pages HighMem\n", highmem);
 #endif
-	printk(KERN_INFO "%lu pages reserved\n", reserved);
-	printk(KERN_INFO "%lu pages shared\n", shared);
-	printk(KERN_INFO "%lu pages non-shared\n", nonshared);
+	printk("%lu pages reserved\n", reserved);
+	printk("%lu pages shared\n", shared);
+	printk("%lu pages non-shared\n", nonshared);
 #ifdef CONFIG_QUICKLIST
-	printk(KERN_INFO "%lu pages in pagetable cache\n",
+	printk("%lu pages in pagetable cache\n",
 		quicklist_total_size());
 #endif
 }
diff --git a/lib/string.c b/lib/string.c
index a1cdcfcc42d0..f71bead1be3e 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -36,25 +36,21 @@ int strnicmp(const char *s1, const char *s2, size_t len)
 	/* Yes, Virginia, it had better be unsigned */
 	unsigned char c1, c2;
 
-	c1 = c2 = 0;
-	if (len) {
-		do {
-			c1 = *s1;
-			c2 = *s2;
-			s1++;
-			s2++;
-			if (!c1)
-				break;
-			if (!c2)
-				break;
-			if (c1 == c2)
-				continue;
-			c1 = tolower(c1);
-			c2 = tolower(c2);
-			if (c1 != c2)
-				break;
-		} while (--len);
-	}
+	if (!len)
+		return 0;
+
+	do {
+		c1 = *s1++;
+		c2 = *s2++;
+		if (!c1 || !c2)
+			break;
+		if (c1 == c2)
+			continue;
+		c1 = tolower(c1);
+		c2 = tolower(c2);
+		if (c1 != c2)
+			break;
+	} while (--len);
 	return (int)c1 - (int)c2;
 }
 EXPORT_SYMBOL(strnicmp);
@@ -693,13 +689,13 @@ EXPORT_SYMBOL(strstr);
  */
 char *strnstr(const char *s1, const char *s2, size_t len)
 {
-	size_t l1 = len, l2;
+	size_t l2;
 
 	l2 = strlen(s2);
 	if (!l2)
 		return (char *)s1;
-	while (l1 >= l2) {
-		l1--;
+	while (len >= l2) {
+		len--;
 		if (!memcmp(s1, s2, l2))
 			return (char *)s1;
 		s1++;
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index af4aaa6c36f3..24112e5a5780 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -381,8 +381,8 @@ static noinline char *put_dec(char *buf, unsigned long long num)
 #define PLUS	4		/* show plus */
 #define SPACE	8		/* space if plus */
 #define LEFT	16		/* left justified */
-#define SMALL	32		/* Must be 32 == 0x20 */
-#define SPECIAL	64		/* 0x */
+#define SMALL	32		/* use lowercase in hex (must be 32 == 0x20) */
+#define SPECIAL	64		/* prefix hex with "0x", octal with "0" */
 
 enum format_type {
 	FORMAT_TYPE_NONE, /* Just a string part */
@@ -408,12 +408,12 @@ enum format_type {
 };
 
 struct printf_spec {
-	enum format_type	type;
-	int			flags;		/* flags to number() */
-	int			field_width;	/* width of output field */
-	int			base;
-	int			precision;	/* # of digits/chars */
-	int			qualifier;
+	u16	type;
+	s16	field_width;	/* width of output field */
+	u8	flags;		/* flags to number() */
+	u8	base;
+	s8	precision;	/* # of digits/chars */
+	u8	qualifier;
 };
 
 static char *number(char *buf, char *end, unsigned long long num,
@@ -597,22 +597,35 @@ static char *resource_string(char *buf, char *end, struct resource *res,
 #ifndef MEM_RSRC_PRINTK_SIZE
 #define MEM_RSRC_PRINTK_SIZE	10
 #endif
-	struct printf_spec hex_spec = {
+	static const struct printf_spec io_spec = {
 		.base = 16,
+		.field_width = IO_RSRC_PRINTK_SIZE,
 		.precision = -1,
 		.flags = SPECIAL | SMALL | ZEROPAD,
 	};
-	struct printf_spec dec_spec = {
+	static const struct printf_spec mem_spec = {
+		.base = 16,
+		.field_width = MEM_RSRC_PRINTK_SIZE,
+		.precision = -1,
+		.flags = SPECIAL | SMALL | ZEROPAD,
+	};
+	static const struct printf_spec bus_spec = {
+		.base = 16,
+		.field_width = 2,
+		.precision = -1,
+		.flags = SMALL | ZEROPAD,
+	};
+	static const struct printf_spec dec_spec = {
 		.base = 10,
 		.precision = -1,
 		.flags = 0,
 	};
-	struct printf_spec str_spec = {
+	static const struct printf_spec str_spec = {
 		.field_width = -1,
 		.precision = 10,
 		.flags = LEFT,
 	};
-	struct printf_spec flag_spec = {
+	static const struct printf_spec flag_spec = {
 		.base = 16,
 		.precision = -1,
 		.flags = SPECIAL | SMALL,
@@ -622,47 +635,48 @@ static char *resource_string(char *buf, char *end, struct resource *res,
 	 * 64-bit res (sizeof==8): 20 chars in dec, 18 in hex ("0x" + 16) */
 #define RSRC_BUF_SIZE		((2 * sizeof(resource_size_t)) + 4)
 #define FLAG_BUF_SIZE		(2 * sizeof(res->flags))
-#define DECODED_BUF_SIZE	sizeof("[mem - 64bit pref disabled]")
+#define DECODED_BUF_SIZE	sizeof("[mem - 64bit pref window disabled]")
 #define RAW_BUF_SIZE		sizeof("[mem - flags 0x]")
 	char sym[max(2*RSRC_BUF_SIZE + DECODED_BUF_SIZE,
 		     2*RSRC_BUF_SIZE + FLAG_BUF_SIZE + RAW_BUF_SIZE)];
 
 	char *p = sym, *pend = sym + sizeof(sym);
-	int size = -1, addr = 0;
 	int decode = (fmt[0] == 'R') ? 1 : 0;
-
-	if (res->flags & IORESOURCE_IO) {
-		size = IO_RSRC_PRINTK_SIZE;
-		addr = 1;
-	} else if (res->flags & IORESOURCE_MEM) {
-		size = MEM_RSRC_PRINTK_SIZE;
-		addr = 1;
-	}
+	const struct printf_spec *specp;
 
 	*p++ = '[';
-	if (res->flags & IORESOURCE_IO)
+	if (res->flags & IORESOURCE_IO) {
 		p = string(p, pend, "io  ", str_spec);
-	else if (res->flags & IORESOURCE_MEM)
+		specp = &io_spec;
+	} else if (res->flags & IORESOURCE_MEM) {
 		p = string(p, pend, "mem ", str_spec);
-	else if (res->flags & IORESOURCE_IRQ)
+		specp = &mem_spec;
+	} else if (res->flags & IORESOURCE_IRQ) {
 		p = string(p, pend, "irq ", str_spec);
-	else if (res->flags & IORESOURCE_DMA)
+		specp = &dec_spec;
+	} else if (res->flags & IORESOURCE_DMA) {
 		p = string(p, pend, "dma ", str_spec);
-	else {
+		specp = &dec_spec;
+	} else if (res->flags & IORESOURCE_BUS) {
+		p = string(p, pend, "bus ", str_spec);
+		specp = &bus_spec;
+	} else {
 		p = string(p, pend, "??? ", str_spec);
+		specp = &mem_spec;
 		decode = 0;
 	}
-	hex_spec.field_width = size;
-	p = number(p, pend, res->start, addr ? hex_spec : dec_spec);
+	p = number(p, pend, res->start, *specp);
 	if (res->start != res->end) {
 		*p++ = '-';
-		p = number(p, pend, res->end, addr ? hex_spec : dec_spec);
+		p = number(p, pend, res->end, *specp);
 	}
 	if (decode) {
 		if (res->flags & IORESOURCE_MEM_64)
 			p = string(p, pend, " 64bit", str_spec);
 		if (res->flags & IORESOURCE_PREFETCH)
 			p = string(p, pend, " pref", str_spec);
+		if (res->flags & IORESOURCE_WINDOW)
+			p = string(p, pend, " window", str_spec);
 		if (res->flags & IORESOURCE_DISABLED)
 			p = string(p, pend, " disabled", str_spec);
 	} else {
@@ -1333,7 +1347,7 @@ int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
 			break;
 
 		case FORMAT_TYPE_NRCHARS: {
-			int qualifier = spec.qualifier;
+			u8 qualifier = spec.qualifier;
 
 			if (qualifier == 'l') {
 				long *ip = va_arg(args, long *);
@@ -1619,7 +1633,7 @@ do {									\
 
 		case FORMAT_TYPE_NRCHARS: {
 			/* skip %n 's argument */
-			int qualifier = spec.qualifier;
+			u8 qualifier = spec.qualifier;
 			void *skip_arg;
 			if (qualifier == 'l')
 				skip_arg = va_arg(args, long *);
@@ -1885,7 +1899,9 @@ int vsscanf(const char *buf, const char *fmt, va_list args)
 	char *next;
 	char digit;
 	int num = 0;
-	int qualifier, base, field_width;
+	u8 qualifier;
+	u8 base;
+	s16 field_width;
 	bool is_sign;
 
 	while (*fmt && *str) {
@@ -1963,7 +1979,7 @@ int vsscanf(const char *buf, const char *fmt, va_list args)
 		{
 			char *s = (char *)va_arg(args, char *);
 			if (field_width == -1)
-				field_width = INT_MAX;
+				field_width = SHORT_MAX;
 			/* first, skip leading white space in buffer */
 			str = skip_spaces(str);
 
diff --git a/lib/zlib_inflate/inffast.c b/lib/zlib_inflate/inffast.c
index 215447c55261..2c13ecc5bb2c 100644
--- a/lib/zlib_inflate/inffast.c
+++ b/lib/zlib_inflate/inffast.c
@@ -8,21 +8,6 @@
 #include "inflate.h"
 #include "inffast.h"
 
-/* Only do the unaligned "Faster" variant when
- * CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS is set
- *
- * On powerpc, it won't be as we don't include autoconf.h
- * automatically for the boot wrapper, which is intended as
- * we run in an environment where we may not be able to deal
- * with (even rare) alignment faults. In addition, we do not
- * define __KERNEL__ for arch/powerpc/boot unlike x86
- */
-
-#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
-#include <asm/unaligned.h>
-#include <asm/byteorder.h>
-#endif
-
 #ifndef ASMINF
 
 /* Allow machine dependent optimization for post-increment or pre-increment.
@@ -36,14 +21,31 @@
    - Pentium III (Anderson)
    - M68060 (Nikl)
  */
+union uu {
+	unsigned short us;
+	unsigned char b[2];
+};
+
+/* Endian independed version */
+static inline unsigned short
+get_unaligned16(const unsigned short *p)
+{
+	union uu  mm;
+	unsigned char *b = (unsigned char *)p;
+
+	mm.b[0] = b[0];
+	mm.b[1] = b[1];
+	return mm.us;
+}
+
 #ifdef POSTINC
 #  define OFF 0
 #  define PUP(a) *(a)++
-#  define UP_UNALIGNED(a) get_unaligned((a)++)
+#  define UP_UNALIGNED(a) get_unaligned16((a)++)
 #else
 #  define OFF 1
 #  define PUP(a) *++(a)
-#  define UP_UNALIGNED(a) get_unaligned(++(a))
+#  define UP_UNALIGNED(a) get_unaligned16(++(a))
 #endif
 
 /*
@@ -256,7 +258,6 @@ void inflate_fast(z_streamp strm, unsigned start)
                     }
                 }
                 else {
-#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
 		    unsigned short *sout;
 		    unsigned long loops;
 
@@ -274,22 +275,25 @@ void inflate_fast(z_streamp strm, unsigned start)
 			sfrom = (unsigned short *)(from - OFF);
 			loops = len >> 1;
 			do
+#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+			    PUP(sout) = PUP(sfrom);
+#else
 			    PUP(sout) = UP_UNALIGNED(sfrom);
+#endif
 			while (--loops);
 			out = (unsigned char *)sout + OFF;
 			from = (unsigned char *)sfrom + OFF;
 		    } else { /* dist == 1 or dist == 2 */
 			unsigned short pat16;
 
-			pat16 = *(sout-2+2*OFF);
-			if (dist == 1)
-#if defined(__BIG_ENDIAN)
-			    pat16 = (pat16 & 0xff) | ((pat16 & 0xff) << 8);
-#elif defined(__LITTLE_ENDIAN)
-			    pat16 = (pat16 & 0xff00) | ((pat16 & 0xff00) >> 8);
-#else
-#error __BIG_ENDIAN nor __LITTLE_ENDIAN is defined
-#endif
+			pat16 = *(sout-1+OFF);
+			if (dist == 1) {
+				union uu mm;
+				/* copy one char pattern to both bytes */
+				mm.us = pat16;
+				mm.b[0] = mm.b[1];
+				pat16 = mm.us;
+			}
 			loops = len >> 1;
 			do
 			    PUP(sout) = pat16;
@@ -298,20 +302,6 @@ void inflate_fast(z_streamp strm, unsigned start)
 		    }
 		    if (len & 1)
 			PUP(out) = PUP(from);
-#else /* CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS */
-                    from = out - dist;          /* copy direct from output */
-                    do {                        /* minimum length is three */
-			 PUP(out) = PUP(from);
-			 PUP(out) = PUP(from);
-			 PUP(out) = PUP(from);
-			 len -= 3;
-                    } while (len > 2);
-                    if (len) {
-			 PUP(out) = PUP(from);
-			 if (len > 1)
-			     PUP(out) = PUP(from);
-                    }
-#endif /* !CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS */
                 }
             }
             else if ((op & 64) == 0) {          /* 2nd level distance code */
diff --git a/mm/Kconfig b/mm/Kconfig
index d34c2b971032..9c61158308dc 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -115,6 +115,10 @@ config SPARSEMEM_EXTREME
 config SPARSEMEM_VMEMMAP_ENABLE
 	bool
 
+config SPARSEMEM_ALLOC_MEM_MAP_TOGETHER
+	def_bool y
+	depends on SPARSEMEM && X86_64
+
 config SPARSEMEM_VMEMMAP
 	bool "Sparse Memory virtual memmap"
 	depends on SPARSEMEM && SPARSEMEM_VMEMMAP_ENABLE
diff --git a/mm/bootmem.c b/mm/bootmem.c
index 7d1486875e1c..9b134460b016 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -13,6 +13,7 @@
 #include <linux/bootmem.h>
 #include <linux/module.h>
 #include <linux/kmemleak.h>
+#include <linux/range.h>
 
 #include <asm/bug.h>
 #include <asm/io.h>
@@ -32,6 +33,7 @@ unsigned long max_pfn;
 unsigned long saved_max_pfn;
 #endif
 
+#ifndef CONFIG_NO_BOOTMEM
 bootmem_data_t bootmem_node_data[MAX_NUMNODES] __initdata;
 
 static struct list_head bdata_list __initdata = LIST_HEAD_INIT(bdata_list);
@@ -142,7 +144,7 @@ unsigned long __init init_bootmem(unsigned long start, unsigned long pages)
 	min_low_pfn = start;
 	return init_bootmem_core(NODE_DATA(0)->bdata, start, 0, pages);
 }
-
+#endif
 /*
  * free_bootmem_late - free bootmem pages directly to page allocator
  * @addr: starting address of the range
@@ -167,6 +169,53 @@ void __init free_bootmem_late(unsigned long addr, unsigned long size)
 	}
 }
 
+#ifdef CONFIG_NO_BOOTMEM
+static void __init __free_pages_memory(unsigned long start, unsigned long end)
+{
+	int i;
+	unsigned long start_aligned, end_aligned;
+	int order = ilog2(BITS_PER_LONG);
+
+	start_aligned = (start + (BITS_PER_LONG - 1)) & ~(BITS_PER_LONG - 1);
+	end_aligned = end & ~(BITS_PER_LONG - 1);
+
+	if (end_aligned <= start_aligned) {
+		for (i = start; i < end; i++)
+			__free_pages_bootmem(pfn_to_page(i), 0);
+
+		return;
+	}
+
+	for (i = start; i < start_aligned; i++)
+		__free_pages_bootmem(pfn_to_page(i), 0);
+
+	for (i = start_aligned; i < end_aligned; i += BITS_PER_LONG)
+		__free_pages_bootmem(pfn_to_page(i), order);
+
+	for (i = end_aligned; i < end; i++)
+		__free_pages_bootmem(pfn_to_page(i), 0);
+}
+
+unsigned long __init free_all_memory_core_early(int nodeid)
+{
+	int i;
+	u64 start, end;
+	unsigned long count = 0;
+	struct range *range = NULL;
+	int nr_range;
+
+	nr_range = get_free_all_memory_range(&range, nodeid);
+
+	for (i = 0; i < nr_range; i++) {
+		start = range[i].start;
+		end = range[i].end;
+		count += end - start;
+		__free_pages_memory(start, end);
+	}
+
+	return count;
+}
+#else
 static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata)
 {
 	int aligned;
@@ -227,6 +276,7 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata)
 
 	return count;
 }
+#endif
 
 /**
  * free_all_bootmem_node - release a node's free pages to the buddy allocator
@@ -237,7 +287,12 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata)
 unsigned long __init free_all_bootmem_node(pg_data_t *pgdat)
 {
 	register_page_bootmem_info_node(pgdat);
+#ifdef CONFIG_NO_BOOTMEM
+	/* free_all_memory_core_early(MAX_NUMNODES) will be called later */
+	return 0;
+#else
 	return free_all_bootmem_core(pgdat->bdata);
+#endif
 }
 
 /**
@@ -247,9 +302,14 @@ unsigned long __init free_all_bootmem_node(pg_data_t *pgdat)
  */
 unsigned long __init free_all_bootmem(void)
 {
+#ifdef CONFIG_NO_BOOTMEM
+	return free_all_memory_core_early(NODE_DATA(0)->node_id);
+#else
 	return free_all_bootmem_core(NODE_DATA(0)->bdata);
+#endif
 }
 
+#ifndef CONFIG_NO_BOOTMEM
 static void __init __free(bootmem_data_t *bdata,
 			unsigned long sidx, unsigned long eidx)
 {
@@ -344,6 +404,7 @@ static int __init mark_bootmem(unsigned long start, unsigned long end,
 	}
 	BUG();
 }
+#endif
 
 /**
  * free_bootmem_node - mark a page range as usable
@@ -358,6 +419,9 @@ static int __init mark_bootmem(unsigned long start, unsigned long end,
 void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,
 			      unsigned long size)
 {
+#ifdef CONFIG_NO_BOOTMEM
+	free_early(physaddr, physaddr + size);
+#else
 	unsigned long start, end;
 
 	kmemleak_free_part(__va(physaddr), size);
@@ -366,6 +430,7 @@ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,
 	end = PFN_DOWN(physaddr + size);
 
 	mark_bootmem_node(pgdat->bdata, start, end, 0, 0);
+#endif
 }
 
 /**
@@ -379,6 +444,9 @@ void __init free_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,
  */
 void __init free_bootmem(unsigned long addr, unsigned long size)
 {
+#ifdef CONFIG_NO_BOOTMEM
+	free_early(addr, addr + size);
+#else
 	unsigned long start, end;
 
 	kmemleak_free_part(__va(addr), size);
@@ -387,6 +455,7 @@ void __init free_bootmem(unsigned long addr, unsigned long size)
 	end = PFN_DOWN(addr + size);
 
 	mark_bootmem(start, end, 0, 0);
+#endif
 }
 
 /**
@@ -403,12 +472,17 @@ void __init free_bootmem(unsigned long addr, unsigned long size)
 int __init reserve_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,
 				 unsigned long size, int flags)
 {
+#ifdef CONFIG_NO_BOOTMEM
+	panic("no bootmem");
+	return 0;
+#else
 	unsigned long start, end;
 
 	start = PFN_DOWN(physaddr);
 	end = PFN_UP(physaddr + size);
 
 	return mark_bootmem_node(pgdat->bdata, start, end, 1, flags);
+#endif
 }
 
 /**
@@ -424,14 +498,20 @@ int __init reserve_bootmem_node(pg_data_t *pgdat, unsigned long physaddr,
 int __init reserve_bootmem(unsigned long addr, unsigned long size,
 			    int flags)
 {
+#ifdef CONFIG_NO_BOOTMEM
+	panic("no bootmem");
+	return 0;
+#else
 	unsigned long start, end;
 
 	start = PFN_DOWN(addr);
 	end = PFN_UP(addr + size);
 
 	return mark_bootmem(start, end, 1, flags);
+#endif
 }
 
+#ifndef CONFIG_NO_BOOTMEM
 static unsigned long __init align_idx(struct bootmem_data *bdata,
 				      unsigned long idx, unsigned long step)
 {
@@ -582,12 +662,33 @@ static void * __init alloc_arch_preferred_bootmem(bootmem_data_t *bdata,
 #endif
 	return NULL;
 }
+#endif
 
 static void * __init ___alloc_bootmem_nopanic(unsigned long size,
 					unsigned long align,
 					unsigned long goal,
 					unsigned long limit)
 {
+#ifdef CONFIG_NO_BOOTMEM
+	void *ptr;
+
+	if (WARN_ON_ONCE(slab_is_available()))
+		return kzalloc(size, GFP_NOWAIT);
+
+restart:
+
+	ptr = __alloc_memory_core_early(MAX_NUMNODES, size, align, goal, limit);
+
+	if (ptr)
+		return ptr;
+
+	if (goal != 0) {
+		goal = 0;
+		goto restart;
+	}
+
+	return NULL;
+#else
 	bootmem_data_t *bdata;
 	void *region;
 
@@ -613,6 +714,7 @@ restart:
 	}
 
 	return NULL;
+#endif
 }
 
 /**
@@ -631,7 +733,13 @@ restart:
 void * __init __alloc_bootmem_nopanic(unsigned long size, unsigned long align,
 					unsigned long goal)
 {
-	return ___alloc_bootmem_nopanic(size, align, goal, 0);
+	unsigned long limit = 0;
+
+#ifdef CONFIG_NO_BOOTMEM
+	limit = -1UL;
+#endif
+
+	return ___alloc_bootmem_nopanic(size, align, goal, limit);
 }
 
 static void * __init ___alloc_bootmem(unsigned long size, unsigned long align,
@@ -665,9 +773,16 @@ static void * __init ___alloc_bootmem(unsigned long size, unsigned long align,
 void * __init __alloc_bootmem(unsigned long size, unsigned long align,
 			      unsigned long goal)
 {
-	return ___alloc_bootmem(size, align, goal, 0);
+	unsigned long limit = 0;
+
+#ifdef CONFIG_NO_BOOTMEM
+	limit = -1UL;
+#endif
+
+	return ___alloc_bootmem(size, align, goal, limit);
 }
 
+#ifndef CONFIG_NO_BOOTMEM
 static void * __init ___alloc_bootmem_node(bootmem_data_t *bdata,
 				unsigned long size, unsigned long align,
 				unsigned long goal, unsigned long limit)
@@ -684,6 +799,7 @@ static void * __init ___alloc_bootmem_node(bootmem_data_t *bdata,
 
 	return ___alloc_bootmem(size, align, goal, limit);
 }
+#endif
 
 /**
  * __alloc_bootmem_node - allocate boot memory from a specific node
@@ -706,7 +822,46 @@ void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
 	if (WARN_ON_ONCE(slab_is_available()))
 		return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
 
+#ifdef CONFIG_NO_BOOTMEM
+	return __alloc_memory_core_early(pgdat->node_id, size, align,
+					 goal, -1ULL);
+#else
 	return ___alloc_bootmem_node(pgdat->bdata, size, align, goal, 0);
+#endif
+}
+
+void * __init __alloc_bootmem_node_high(pg_data_t *pgdat, unsigned long size,
+				   unsigned long align, unsigned long goal)
+{
+#ifdef MAX_DMA32_PFN
+	unsigned long end_pfn;
+
+	if (WARN_ON_ONCE(slab_is_available()))
+		return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
+
+	/* update goal according ...MAX_DMA32_PFN */
+	end_pfn = pgdat->node_start_pfn + pgdat->node_spanned_pages;
+
+	if (end_pfn > MAX_DMA32_PFN + (128 >> (20 - PAGE_SHIFT)) &&
+	    (goal >> PAGE_SHIFT) < MAX_DMA32_PFN) {
+		void *ptr;
+		unsigned long new_goal;
+
+		new_goal = MAX_DMA32_PFN << PAGE_SHIFT;
+#ifdef CONFIG_NO_BOOTMEM
+		ptr =  __alloc_memory_core_early(pgdat->node_id, size, align,
+						 new_goal, -1ULL);
+#else
+		ptr = alloc_bootmem_core(pgdat->bdata, size, align,
+						 new_goal, 0);
+#endif
+		if (ptr)
+			return ptr;
+	}
+#endif
+
+	return __alloc_bootmem_node(pgdat, size, align, goal);
+
 }
 
 #ifdef CONFIG_SPARSEMEM
@@ -720,6 +875,16 @@ void * __init __alloc_bootmem_node(pg_data_t *pgdat, unsigned long size,
 void * __init alloc_bootmem_section(unsigned long size,
 				    unsigned long section_nr)
 {
+#ifdef CONFIG_NO_BOOTMEM
+	unsigned long pfn, goal, limit;
+
+	pfn = section_nr_to_pfn(section_nr);
+	goal = pfn << PAGE_SHIFT;
+	limit = section_nr_to_pfn(section_nr + 1) << PAGE_SHIFT;
+
+	return __alloc_memory_core_early(early_pfn_to_nid(pfn), size,
+					 SMP_CACHE_BYTES, goal, limit);
+#else
 	bootmem_data_t *bdata;
 	unsigned long pfn, goal, limit;
 
@@ -729,6 +894,7 @@ void * __init alloc_bootmem_section(unsigned long size,
 	bdata = &bootmem_node_data[early_pfn_to_nid(pfn)];
 
 	return alloc_bootmem_core(bdata, size, SMP_CACHE_BYTES, goal, limit);
+#endif
 }
 #endif
 
@@ -740,11 +906,16 @@ void * __init __alloc_bootmem_node_nopanic(pg_data_t *pgdat, unsigned long size,
 	if (WARN_ON_ONCE(slab_is_available()))
 		return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
 
+#ifdef CONFIG_NO_BOOTMEM
+	ptr =  __alloc_memory_core_early(pgdat->node_id, size, align,
+						 goal, -1ULL);
+#else
 	ptr = alloc_arch_preferred_bootmem(pgdat->bdata, size, align, goal, 0);
 	if (ptr)
 		return ptr;
 
 	ptr = alloc_bootmem_core(pgdat->bdata, size, align, goal, 0);
+#endif
 	if (ptr)
 		return ptr;
 
@@ -795,6 +966,11 @@ void * __init __alloc_bootmem_low_node(pg_data_t *pgdat, unsigned long size,
 	if (WARN_ON_ONCE(slab_is_available()))
 		return kzalloc_node(size, GFP_NOWAIT, pgdat->node_id);
 
+#ifdef CONFIG_NO_BOOTMEM
+	return __alloc_memory_core_early(pgdat->node_id, size, align,
+				goal, ARCH_LOW_ADDRESS_LIMIT);
+#else
 	return ___alloc_bootmem_node(pgdat->bdata, size, align,
 				goal, ARCH_LOW_ADDRESS_LIMIT);
+#endif
 }
diff --git a/mm/fadvise.c b/mm/fadvise.c
index e43359214f6f..8d723c9e8b75 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -77,12 +77,20 @@ SYSCALL_DEFINE(fadvise64_64)(int fd, loff_t offset, loff_t len, int advice)
 	switch (advice) {
 	case POSIX_FADV_NORMAL:
 		file->f_ra.ra_pages = bdi->ra_pages;
+		spin_lock(&file->f_lock);
+		file->f_mode &= ~FMODE_RANDOM;
+		spin_unlock(&file->f_lock);
 		break;
 	case POSIX_FADV_RANDOM:
-		file->f_ra.ra_pages = 0;
+		spin_lock(&file->f_lock);
+		file->f_mode |= FMODE_RANDOM;
+		spin_unlock(&file->f_lock);
 		break;
 	case POSIX_FADV_SEQUENTIAL:
 		file->f_ra.ra_pages = bdi->ra_pages * 2;
+		spin_lock(&file->f_lock);
+		file->f_mode &= ~FMODE_RANDOM;
+		spin_unlock(&file->f_lock);
 		break;
 	case POSIX_FADV_WILLNEED:
 		if (!mapping->a_ops->readpage) {
diff --git a/mm/failslab.c b/mm/failslab.c
index 9339de5f0a91..bb41f98dd8b7 100644
--- a/mm/failslab.c
+++ b/mm/failslab.c
@@ -1,18 +1,22 @@
 #include <linux/fault-inject.h>
 #include <linux/gfp.h>
+#include <linux/slab.h>
 
 static struct {
 	struct fault_attr attr;
 	u32 ignore_gfp_wait;
+	int cache_filter;
 #ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
 	struct dentry *ignore_gfp_wait_file;
+	struct dentry *cache_filter_file;
 #endif
 } failslab = {
 	.attr = FAULT_ATTR_INITIALIZER,
 	.ignore_gfp_wait = 1,
+	.cache_filter = 0,
 };
 
-bool should_failslab(size_t size, gfp_t gfpflags)
+bool should_failslab(size_t size, gfp_t gfpflags, unsigned long cache_flags)
 {
 	if (gfpflags & __GFP_NOFAIL)
 		return false;
@@ -20,6 +24,9 @@ bool should_failslab(size_t size, gfp_t gfpflags)
         if (failslab.ignore_gfp_wait && (gfpflags & __GFP_WAIT))
 		return false;
 
+	if (failslab.cache_filter && !(cache_flags & SLAB_FAILSLAB))
+		return false;
+
 	return should_fail(&failslab.attr, size);
 }
 
@@ -30,7 +37,6 @@ static int __init setup_failslab(char *str)
 __setup("failslab=", setup_failslab);
 
 #ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
-
 static int __init failslab_debugfs_init(void)
 {
 	mode_t mode = S_IFREG | S_IRUSR | S_IWUSR;
@@ -46,8 +52,14 @@ static int __init failslab_debugfs_init(void)
 		debugfs_create_bool("ignore-gfp-wait", mode, dir,
 				      &failslab.ignore_gfp_wait);
 
-	if (!failslab.ignore_gfp_wait_file) {
+	failslab.cache_filter_file =
+		debugfs_create_bool("cache-filter", mode, dir,
+				      &failslab.cache_filter);
+
+	if (!failslab.ignore_gfp_wait_file ||
+	    !failslab.cache_filter_file) {
 		err = -ENOMEM;
+		debugfs_remove(failslab.cache_filter_file);
 		debugfs_remove(failslab.ignore_gfp_wait_file);
 		cleanup_fault_attr_dentries(&failslab.attr);
 	}
diff --git a/mm/filemap.c b/mm/filemap.c
index 698ea80f2102..045b31c37653 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1117,7 +1117,7 @@ readpage:
 			if (!PageUptodate(page)) {
 				if (page->mapping == NULL) {
 					/*
-					 * invalidate_inode_pages got it
+					 * invalidate_mapping_pages got it
 					 */
 					unlock_page(page);
 					page_cache_release(page);
@@ -1986,7 +1986,7 @@ EXPORT_SYMBOL(iov_iter_single_seg_count);
 inline int generic_write_checks(struct file *file, loff_t *pos, size_t *count, int isblk)
 {
 	struct inode *inode = file->f_mapping->host;
-	unsigned long limit = current->signal->rlim[RLIMIT_FSIZE].rlim_cur;
+	unsigned long limit = rlimit(RLIMIT_FSIZE);
 
         if (unlikely(*pos < 0))
                 return -EINVAL;
diff --git a/mm/filemap_xip.c b/mm/filemap_xip.c
index 1888b2d71bb8..78b94f0b6d5d 100644
--- a/mm/filemap_xip.c
+++ b/mm/filemap_xip.c
@@ -194,7 +194,7 @@ retry:
 			flush_cache_page(vma, address, pte_pfn(*pte));
 			pteval = ptep_clear_flush_notify(vma, address, pte);
 			page_remove_rmap(page);
-			dec_mm_counter(mm, file_rss);
+			dec_mm_counter(mm, MM_FILEPAGES);
 			BUG_ON(pte_dirty(pteval));
 			pte_unmap_unlock(pte, ptl);
 			page_cache_release(page);
diff --git a/mm/fremap.c b/mm/fremap.c
index b6ec85abbb39..46f5dacf90a2 100644
--- a/mm/fremap.c
+++ b/mm/fremap.c
@@ -40,7 +40,7 @@ static void zap_pte(struct mm_struct *mm, struct vm_area_struct *vma,
 			page_remove_rmap(page);
 			page_cache_release(page);
 			update_hiwater_rss(mm);
-			dec_mm_counter(mm, file_rss);
+			dec_mm_counter(mm, MM_FILEPAGES);
 		}
 	} else {
 		if (!pte_file(pte))
diff --git a/mm/highmem.c b/mm/highmem.c
index 9c1e627f282e..bed8a8bfd01f 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -220,7 +220,7 @@ EXPORT_SYMBOL(kmap_high);
  * @page: &struct page to pin
  *
  * Returns the page's current virtual memory address, or NULL if no mapping
- * exists.  When and only when a non null address is returned then a
+ * exists.  If and only if a non null address is returned then a
  * matching call to kunmap_high() is necessary.
  *
  * This can be called from any context.
diff --git a/mm/ksm.c b/mm/ksm.c
index 56a0da1f9979..8cdfc2a1e8bf 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -751,7 +751,7 @@ static int write_protect_page(struct vm_area_struct *vma, struct page *page,
 		 * page
 		 */
 		if (page_mapcount(page) + 1 + swapped != page_count(page)) {
-			set_pte_at_notify(mm, addr, ptep, entry);
+			set_pte_at(mm, addr, ptep, entry);
 			goto out_unlock;
 		}
 		entry = pte_wrprotect(entry);
@@ -1563,10 +1563,12 @@ int page_referenced_ksm(struct page *page, struct mem_cgroup *memcg,
 again:
 	hlist_for_each_entry(rmap_item, hlist, &stable_node->hlist, hlist) {
 		struct anon_vma *anon_vma = rmap_item->anon_vma;
+		struct anon_vma_chain *vmac;
 		struct vm_area_struct *vma;
 
 		spin_lock(&anon_vma->lock);
-		list_for_each_entry(vma, &anon_vma->head, anon_vma_node) {
+		list_for_each_entry(vmac, &anon_vma->head, same_anon_vma) {
+			vma = vmac->vma;
 			if (rmap_item->address < vma->vm_start ||
 			    rmap_item->address >= vma->vm_end)
 				continue;
@@ -1614,10 +1616,12 @@ int try_to_unmap_ksm(struct page *page, enum ttu_flags flags)
 again:
 	hlist_for_each_entry(rmap_item, hlist, &stable_node->hlist, hlist) {
 		struct anon_vma *anon_vma = rmap_item->anon_vma;
+		struct anon_vma_chain *vmac;
 		struct vm_area_struct *vma;
 
 		spin_lock(&anon_vma->lock);
-		list_for_each_entry(vma, &anon_vma->head, anon_vma_node) {
+		list_for_each_entry(vmac, &anon_vma->head, same_anon_vma) {
+			vma = vmac->vma;
 			if (rmap_item->address < vma->vm_start ||
 			    rmap_item->address >= vma->vm_end)
 				continue;
@@ -1664,10 +1668,12 @@ int rmap_walk_ksm(struct page *page, int (*rmap_one)(struct page *,
 again:
 	hlist_for_each_entry(rmap_item, hlist, &stable_node->hlist, hlist) {
 		struct anon_vma *anon_vma = rmap_item->anon_vma;
+		struct anon_vma_chain *vmac;
 		struct vm_area_struct *vma;
 
 		spin_lock(&anon_vma->lock);
-		list_for_each_entry(vma, &anon_vma->head, anon_vma_node) {
+		list_for_each_entry(vmac, &anon_vma->head, same_anon_vma) {
+			vma = vmac->vma;
 			if (rmap_item->address < vma->vm_start ||
 			    rmap_item->address >= vma->vm_end)
 				continue;
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 954032b80bed..9ed760dc7448 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -6,6 +6,10 @@
  * Copyright 2007 OpenVZ SWsoft Inc
  * Author: Pavel Emelianov <xemul@openvz.org>
  *
+ * Memory thresholds
+ * Copyright (C) 2009 Nokia Corporation
+ * Author: Kirill A. Shutemov
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
@@ -21,6 +25,7 @@
 #include <linux/memcontrol.h>
 #include <linux/cgroup.h>
 #include <linux/mm.h>
+#include <linux/hugetlb.h>
 #include <linux/pagemap.h>
 #include <linux/smp.h>
 #include <linux/page-flags.h>
@@ -32,7 +37,10 @@
 #include <linux/rbtree.h>
 #include <linux/slab.h>
 #include <linux/swap.h>
+#include <linux/swapops.h>
 #include <linux/spinlock.h>
+#include <linux/eventfd.h>
+#include <linux/sort.h>
 #include <linux/fs.h>
 #include <linux/seq_file.h>
 #include <linux/vmalloc.h>
@@ -55,7 +63,15 @@ static int really_do_swap_account __initdata = 1; /* for remember boot option*/
 #define do_swap_account		(0)
 #endif
 
-#define SOFTLIMIT_EVENTS_THRESH (1000)
+/*
+ * Per memcg event counter is incremented at every pagein/pageout. This counter
+ * is used for trigger some periodic events. This is straightforward and better
+ * than using jiffies etc. to handle periodic memcg event.
+ *
+ * These values will be used as !((event) & ((1 <<(thresh)) - 1))
+ */
+#define THRESHOLDS_EVENTS_THRESH (7) /* once in 128 */
+#define SOFTLIMIT_EVENTS_THRESH (10) /* once in 1024 */
 
 /*
  * Statistics for memory cgroup.
@@ -69,62 +85,16 @@ enum mem_cgroup_stat_index {
 	MEM_CGROUP_STAT_FILE_MAPPED,  /* # of pages charged as file rss */
 	MEM_CGROUP_STAT_PGPGIN_COUNT,	/* # of pages paged in */
 	MEM_CGROUP_STAT_PGPGOUT_COUNT,	/* # of pages paged out */
-	MEM_CGROUP_STAT_EVENTS,	/* sum of pagein + pageout for internal use */
 	MEM_CGROUP_STAT_SWAPOUT, /* # of pages, swapped out */
+	MEM_CGROUP_EVENTS,	/* incremented at every  pagein/pageout */
 
 	MEM_CGROUP_STAT_NSTATS,
 };
 
 struct mem_cgroup_stat_cpu {
 	s64 count[MEM_CGROUP_STAT_NSTATS];
-} ____cacheline_aligned_in_smp;
-
-struct mem_cgroup_stat {
-	struct mem_cgroup_stat_cpu cpustat[0];
 };
 
-static inline void
-__mem_cgroup_stat_reset_safe(struct mem_cgroup_stat_cpu *stat,
-				enum mem_cgroup_stat_index idx)
-{
-	stat->count[idx] = 0;
-}
-
-static inline s64
-__mem_cgroup_stat_read_local(struct mem_cgroup_stat_cpu *stat,
-				enum mem_cgroup_stat_index idx)
-{
-	return stat->count[idx];
-}
-
-/*
- * For accounting under irq disable, no need for increment preempt count.
- */
-static inline void __mem_cgroup_stat_add_safe(struct mem_cgroup_stat_cpu *stat,
-		enum mem_cgroup_stat_index idx, int val)
-{
-	stat->count[idx] += val;
-}
-
-static s64 mem_cgroup_read_stat(struct mem_cgroup_stat *stat,
-		enum mem_cgroup_stat_index idx)
-{
-	int cpu;
-	s64 ret = 0;
-	for_each_possible_cpu(cpu)
-		ret += stat->cpustat[cpu].count[idx];
-	return ret;
-}
-
-static s64 mem_cgroup_local_usage(struct mem_cgroup_stat *stat)
-{
-	s64 ret;
-
-	ret = mem_cgroup_read_stat(stat, MEM_CGROUP_STAT_CACHE);
-	ret += mem_cgroup_read_stat(stat, MEM_CGROUP_STAT_RSS);
-	return ret;
-}
-
 /*
  * per-zone information in memory controller.
  */
@@ -174,6 +144,22 @@ struct mem_cgroup_tree {
 
 static struct mem_cgroup_tree soft_limit_tree __read_mostly;
 
+struct mem_cgroup_threshold {
+	struct eventfd_ctx *eventfd;
+	u64 threshold;
+};
+
+struct mem_cgroup_threshold_ary {
+	/* An array index points to threshold just below usage. */
+	atomic_t current_threshold;
+	/* Size of entries[] */
+	unsigned int size;
+	/* Array of thresholds */
+	struct mem_cgroup_threshold entries[0];
+};
+
+static void mem_cgroup_threshold(struct mem_cgroup *mem);
+
 /*
  * The memory controller data structure. The memory controller controls both
  * page cache and RSS per cgroup. We would eventually like to provide
@@ -217,7 +203,7 @@ struct mem_cgroup {
 	 * Should the accounting and control be hierarchical, per subtree?
 	 */
 	bool use_hierarchy;
-	unsigned long	last_oom_jiffies;
+	atomic_t	oom_lock;
 	atomic_t	refcnt;
 
 	unsigned int	swappiness;
@@ -225,10 +211,48 @@ struct mem_cgroup {
 	/* set when res.limit == memsw.limit */
 	bool		memsw_is_minimum;
 
+	/* protect arrays of thresholds */
+	struct mutex thresholds_lock;
+
+	/* thresholds for memory usage. RCU-protected */
+	struct mem_cgroup_threshold_ary *thresholds;
+
+	/* thresholds for mem+swap usage. RCU-protected */
+	struct mem_cgroup_threshold_ary *memsw_thresholds;
+
 	/*
-	 * statistics. This must be placed at the end of memcg.
+	 * Should we move charges of a task when a task is moved into this
+	 * mem_cgroup ? And what type of charges should we move ?
 	 */
-	struct mem_cgroup_stat stat;
+	unsigned long 	move_charge_at_immigrate;
+
+	/*
+	 * percpu counter.
+	 */
+	struct mem_cgroup_stat_cpu *stat;
+};
+
+/* Stuffs for move charges at task migration. */
+/*
+ * Types of charges to be moved. "move_charge_at_immitgrate" is treated as a
+ * left-shifted bitmap of these types.
+ */
+enum move_type {
+	MOVE_CHARGE_TYPE_ANON,	/* private anonymous page and swap of it */
+	NR_MOVE_TYPE,
+};
+
+/* "mc" and its members are protected by cgroup_mutex */
+static struct move_charge_struct {
+	struct mem_cgroup *from;
+	struct mem_cgroup *to;
+	unsigned long precharge;
+	unsigned long moved_charge;
+	unsigned long moved_swap;
+	struct task_struct *moving_task;	/* a task moving charges */
+	wait_queue_head_t waitq;		/* a waitq for other context */
+} mc = {
+	.waitq = __WAIT_QUEUE_HEAD_INITIALIZER(mc.waitq),
 };
 
 /*
@@ -371,23 +395,6 @@ mem_cgroup_remove_exceeded(struct mem_cgroup *mem,
 	spin_unlock(&mctz->lock);
 }
 
-static bool mem_cgroup_soft_limit_check(struct mem_cgroup *mem)
-{
-	bool ret = false;
-	int cpu;
-	s64 val;
-	struct mem_cgroup_stat_cpu *cpustat;
-
-	cpu = get_cpu();
-	cpustat = &mem->stat.cpustat[cpu];
-	val = __mem_cgroup_stat_read_local(cpustat, MEM_CGROUP_STAT_EVENTS);
-	if (unlikely(val > SOFTLIMIT_EVENTS_THRESH)) {
-		__mem_cgroup_stat_reset_safe(cpustat, MEM_CGROUP_STAT_EVENTS);
-		ret = true;
-	}
-	put_cpu();
-	return ret;
-}
 
 static void mem_cgroup_update_tree(struct mem_cgroup *mem, struct page *page)
 {
@@ -481,17 +488,31 @@ mem_cgroup_largest_soft_limit_node(struct mem_cgroup_tree_per_zone *mctz)
 	return mz;
 }
 
+static s64 mem_cgroup_read_stat(struct mem_cgroup *mem,
+		enum mem_cgroup_stat_index idx)
+{
+	int cpu;
+	s64 val = 0;
+
+	for_each_possible_cpu(cpu)
+		val += per_cpu(mem->stat->count[idx], cpu);
+	return val;
+}
+
+static s64 mem_cgroup_local_usage(struct mem_cgroup *mem)
+{
+	s64 ret;
+
+	ret = mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_RSS);
+	ret += mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_CACHE);
+	return ret;
+}
+
 static void mem_cgroup_swap_statistics(struct mem_cgroup *mem,
 					 bool charge)
 {
 	int val = (charge) ? 1 : -1;
-	struct mem_cgroup_stat *stat = &mem->stat;
-	struct mem_cgroup_stat_cpu *cpustat;
-	int cpu = get_cpu();
-
-	cpustat = &stat->cpustat[cpu];
-	__mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_SWAPOUT, val);
-	put_cpu();
+	this_cpu_add(mem->stat->count[MEM_CGROUP_STAT_SWAPOUT], val);
 }
 
 static void mem_cgroup_charge_statistics(struct mem_cgroup *mem,
@@ -499,24 +520,21 @@ static void mem_cgroup_charge_statistics(struct mem_cgroup *mem,
 					 bool charge)
 {
 	int val = (charge) ? 1 : -1;
-	struct mem_cgroup_stat *stat = &mem->stat;
-	struct mem_cgroup_stat_cpu *cpustat;
-	int cpu = get_cpu();
 
-	cpustat = &stat->cpustat[cpu];
+	preempt_disable();
+
 	if (PageCgroupCache(pc))
-		__mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_CACHE, val);
+		__this_cpu_add(mem->stat->count[MEM_CGROUP_STAT_CACHE], val);
 	else
-		__mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_RSS, val);
+		__this_cpu_add(mem->stat->count[MEM_CGROUP_STAT_RSS], val);
 
 	if (charge)
-		__mem_cgroup_stat_add_safe(cpustat,
-				MEM_CGROUP_STAT_PGPGIN_COUNT, 1);
+		__this_cpu_inc(mem->stat->count[MEM_CGROUP_STAT_PGPGIN_COUNT]);
 	else
-		__mem_cgroup_stat_add_safe(cpustat,
-				MEM_CGROUP_STAT_PGPGOUT_COUNT, 1);
-	__mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_EVENTS, 1);
-	put_cpu();
+		__this_cpu_inc(mem->stat->count[MEM_CGROUP_STAT_PGPGOUT_COUNT]);
+	__this_cpu_inc(mem->stat->count[MEM_CGROUP_EVENTS]);
+
+	preempt_enable();
 }
 
 static unsigned long mem_cgroup_get_local_zonestat(struct mem_cgroup *mem,
@@ -534,6 +552,29 @@ static unsigned long mem_cgroup_get_local_zonestat(struct mem_cgroup *mem,
 	return total;
 }
 
+static bool __memcg_event_check(struct mem_cgroup *mem, int event_mask_shift)
+{
+	s64 val;
+
+	val = this_cpu_read(mem->stat->count[MEM_CGROUP_EVENTS]);
+
+	return !(val & ((1 << event_mask_shift) - 1));
+}
+
+/*
+ * Check events in order.
+ *
+ */
+static void memcg_check_events(struct mem_cgroup *mem, struct page *page)
+{
+	/* threshold event is triggered in finer grain than soft limit */
+	if (unlikely(__memcg_event_check(mem, THRESHOLDS_EVENTS_THRESH))) {
+		mem_cgroup_threshold(mem);
+		if (unlikely(__memcg_event_check(mem, SOFTLIMIT_EVENTS_THRESH)))
+			mem_cgroup_update_tree(mem, page);
+	}
+}
+
 static struct mem_cgroup *mem_cgroup_from_cont(struct cgroup *cont)
 {
 	return container_of(cgroup_subsys_state(cont,
@@ -1000,7 +1041,7 @@ static int mem_cgroup_count_children_cb(struct mem_cgroup *mem, void *data)
 }
 
 /**
- * mem_cgroup_print_mem_info: Called from OOM with tasklist_lock held in read mode.
+ * mem_cgroup_print_oom_info: Called from OOM with tasklist_lock held in read mode.
  * @memcg: The memory cgroup that went over limit
  * @p: Task that is going to be killed
  *
@@ -1174,7 +1215,7 @@ static int mem_cgroup_hierarchical_reclaim(struct mem_cgroup *root_mem,
 				}
 			}
 		}
-		if (!mem_cgroup_local_usage(&victim->stat)) {
+		if (!mem_cgroup_local_usage(victim)) {
 			/* this cgroup's local usage == 0 */
 			css_put(&victim->css);
 			continue;
@@ -1205,32 +1246,102 @@ static int mem_cgroup_hierarchical_reclaim(struct mem_cgroup *root_mem,
 	return total;
 }
 
-bool mem_cgroup_oom_called(struct task_struct *task)
+static int mem_cgroup_oom_lock_cb(struct mem_cgroup *mem, void *data)
 {
-	bool ret = false;
-	struct mem_cgroup *mem;
-	struct mm_struct *mm;
+	int *val = (int *)data;
+	int x;
+	/*
+	 * Logically, we can stop scanning immediately when we find
+	 * a memcg is already locked. But condidering unlock ops and
+	 * creation/removal of memcg, scan-all is simple operation.
+	 */
+	x = atomic_inc_return(&mem->oom_lock);
+	*val = max(x, *val);
+	return 0;
+}
+/*
+ * Check OOM-Killer is already running under our hierarchy.
+ * If someone is running, return false.
+ */
+static bool mem_cgroup_oom_lock(struct mem_cgroup *mem)
+{
+	int lock_count = 0;
 
-	rcu_read_lock();
-	mm = task->mm;
-	if (!mm)
-		mm = &init_mm;
-	mem = mem_cgroup_from_task(rcu_dereference(mm->owner));
-	if (mem && time_before(jiffies, mem->last_oom_jiffies + HZ/10))
-		ret = true;
-	rcu_read_unlock();
-	return ret;
+	mem_cgroup_walk_tree(mem, &lock_count, mem_cgroup_oom_lock_cb);
+
+	if (lock_count == 1)
+		return true;
+	return false;
 }
 
-static int record_last_oom_cb(struct mem_cgroup *mem, void *data)
+static int mem_cgroup_oom_unlock_cb(struct mem_cgroup *mem, void *data)
 {
-	mem->last_oom_jiffies = jiffies;
+	/*
+	 * When a new child is created while the hierarchy is under oom,
+	 * mem_cgroup_oom_lock() may not be called. We have to use
+	 * atomic_add_unless() here.
+	 */
+	atomic_add_unless(&mem->oom_lock, -1, 0);
 	return 0;
 }
 
-static void record_last_oom(struct mem_cgroup *mem)
+static void mem_cgroup_oom_unlock(struct mem_cgroup *mem)
 {
-	mem_cgroup_walk_tree(mem, NULL, record_last_oom_cb);
+	mem_cgroup_walk_tree(mem, NULL,	mem_cgroup_oom_unlock_cb);
+}
+
+static DEFINE_MUTEX(memcg_oom_mutex);
+static DECLARE_WAIT_QUEUE_HEAD(memcg_oom_waitq);
+
+/*
+ * try to call OOM killer. returns false if we should exit memory-reclaim loop.
+ */
+bool mem_cgroup_handle_oom(struct mem_cgroup *mem, gfp_t mask)
+{
+	DEFINE_WAIT(wait);
+	bool locked;
+
+	/* At first, try to OOM lock hierarchy under mem.*/
+	mutex_lock(&memcg_oom_mutex);
+	locked = mem_cgroup_oom_lock(mem);
+	/*
+	 * Even if signal_pending(), we can't quit charge() loop without
+	 * accounting. So, UNINTERRUPTIBLE is appropriate. But SIGKILL
+	 * under OOM is always welcomed, use TASK_KILLABLE here.
+	 */
+	if (!locked)
+		prepare_to_wait(&memcg_oom_waitq, &wait, TASK_KILLABLE);
+	mutex_unlock(&memcg_oom_mutex);
+
+	if (locked)
+		mem_cgroup_out_of_memory(mem, mask);
+	else {
+		schedule();
+		finish_wait(&memcg_oom_waitq, &wait);
+	}
+	mutex_lock(&memcg_oom_mutex);
+	mem_cgroup_oom_unlock(mem);
+	/*
+	 * Here, we use global waitq .....more fine grained waitq ?
+	 * Assume following hierarchy.
+	 * A/
+	 *   01
+	 *   02
+	 * assume OOM happens both in A and 01 at the same time. Tthey are
+	 * mutually exclusive by lock. (kill in 01 helps A.)
+	 * When we use per memcg waitq, we have to wake up waiters on A and 02
+	 * in addtion to waiters on 01. We use global waitq for avoiding mess.
+	 * It will not be a big problem.
+	 * (And a task may be moved to other groups while it's waiting for OOM.)
+	 */
+	wake_up_all(&memcg_oom_waitq);
+	mutex_unlock(&memcg_oom_mutex);
+
+	if (test_thread_flag(TIF_MEMDIE) || fatal_signal_pending(current))
+		return false;
+	/* Give chance to dying process */
+	schedule_timeout(1);
+	return true;
 }
 
 /*
@@ -1240,9 +1351,6 @@ static void record_last_oom(struct mem_cgroup *mem)
 void mem_cgroup_update_file_mapped(struct page *page, int val)
 {
 	struct mem_cgroup *mem;
-	struct mem_cgroup_stat *stat;
-	struct mem_cgroup_stat_cpu *cpustat;
-	int cpu;
 	struct page_cgroup *pc;
 
 	pc = lookup_page_cgroup(page);
@@ -1258,13 +1366,10 @@ void mem_cgroup_update_file_mapped(struct page *page, int val)
 		goto done;
 
 	/*
-	 * Preemption is already disabled, we don't need get_cpu()
+	 * Preemption is already disabled. We can use __this_cpu_xxx
 	 */
-	cpu = smp_processor_id();
-	stat = &mem->stat;
-	cpustat = &stat->cpustat[cpu];
+	__this_cpu_add(mem->stat->count[MEM_CGROUP_STAT_FILE_MAPPED], val);
 
-	__mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_FILE_MAPPED, val);
 done:
 	unlock_page_cgroup(pc);
 }
@@ -1401,19 +1506,21 @@ static int __cpuinit memcg_stock_cpu_callback(struct notifier_block *nb,
  * oom-killer can be invoked.
  */
 static int __mem_cgroup_try_charge(struct mm_struct *mm,
-			gfp_t gfp_mask, struct mem_cgroup **memcg,
-			bool oom, struct page *page)
+			gfp_t gfp_mask, struct mem_cgroup **memcg, bool oom)
 {
 	struct mem_cgroup *mem, *mem_over_limit;
 	int nr_retries = MEM_CGROUP_RECLAIM_RETRIES;
 	struct res_counter *fail_res;
 	int csize = CHARGE_SIZE;
 
-	if (unlikely(test_thread_flag(TIF_MEMDIE))) {
-		/* Don't account this! */
-		*memcg = NULL;
-		return 0;
-	}
+	/*
+	 * Unlike gloval-vm's OOM-kill, we're not in memory shortage
+	 * in system level. So, allow to go ahead dying process in addition to
+	 * MEMDIE process.
+	 */
+	if (unlikely(test_thread_flag(TIF_MEMDIE)
+		     || fatal_signal_pending(current)))
+		goto bypass;
 
 	/*
 	 * We always charge the cgroup the mm_struct belongs to.
@@ -1440,7 +1547,7 @@ static int __mem_cgroup_try_charge(struct mm_struct *mm,
 		unsigned long flags = 0;
 
 		if (consume_stock(mem))
-			goto charged;
+			goto done;
 
 		ret = res_counter_charge(&mem->res, csize, &fail_res);
 		if (likely(!ret)) {
@@ -1483,28 +1590,70 @@ static int __mem_cgroup_try_charge(struct mm_struct *mm,
 		if (mem_cgroup_check_under_limit(mem_over_limit))
 			continue;
 
+		/* try to avoid oom while someone is moving charge */
+		if (mc.moving_task && current != mc.moving_task) {
+			struct mem_cgroup *from, *to;
+			bool do_continue = false;
+			/*
+			 * There is a small race that "from" or "to" can be
+			 * freed by rmdir, so we use css_tryget().
+			 */
+			rcu_read_lock();
+			from = mc.from;
+			to = mc.to;
+			if (from && css_tryget(&from->css)) {
+				if (mem_over_limit->use_hierarchy)
+					do_continue = css_is_ancestor(
+							&from->css,
+							&mem_over_limit->css);
+				else
+					do_continue = (from == mem_over_limit);
+				css_put(&from->css);
+			}
+			if (!do_continue && to && css_tryget(&to->css)) {
+				if (mem_over_limit->use_hierarchy)
+					do_continue = css_is_ancestor(
+							&to->css,
+							&mem_over_limit->css);
+				else
+					do_continue = (to == mem_over_limit);
+				css_put(&to->css);
+			}
+			rcu_read_unlock();
+			if (do_continue) {
+				DEFINE_WAIT(wait);
+				prepare_to_wait(&mc.waitq, &wait,
+							TASK_INTERRUPTIBLE);
+				/* moving charge context might have finished. */
+				if (mc.moving_task)
+					schedule();
+				finish_wait(&mc.waitq, &wait);
+				continue;
+			}
+		}
+
 		if (!nr_retries--) {
-			if (oom) {
-				mem_cgroup_out_of_memory(mem_over_limit, gfp_mask);
-				record_last_oom(mem_over_limit);
+			if (!oom)
+				goto nomem;
+			if (mem_cgroup_handle_oom(mem_over_limit, gfp_mask)) {
+				nr_retries = MEM_CGROUP_RECLAIM_RETRIES;
+				continue;
 			}
-			goto nomem;
+			/* When we reach here, current task is dying .*/
+			css_put(&mem->css);
+			goto bypass;
 		}
 	}
 	if (csize > PAGE_SIZE)
 		refill_stock(mem, csize - PAGE_SIZE);
-charged:
-	/*
-	 * Insert ancestor (and ancestor's ancestors), to softlimit RB-tree.
-	 * if they exceeds softlimit.
-	 */
-	if (mem_cgroup_soft_limit_check(mem))
-		mem_cgroup_update_tree(mem, page);
 done:
 	return 0;
 nomem:
 	css_put(&mem->css);
 	return -ENOMEM;
+bypass:
+	*memcg = NULL;
+	return 0;
 }
 
 /*
@@ -1512,14 +1661,23 @@ nomem:
  * This function is for that and do uncharge, put css's refcnt.
  * gotten by try_charge().
  */
-static void mem_cgroup_cancel_charge(struct mem_cgroup *mem)
+static void __mem_cgroup_cancel_charge(struct mem_cgroup *mem,
+							unsigned long count)
 {
 	if (!mem_cgroup_is_root(mem)) {
-		res_counter_uncharge(&mem->res, PAGE_SIZE);
+		res_counter_uncharge(&mem->res, PAGE_SIZE * count);
 		if (do_swap_account)
-			res_counter_uncharge(&mem->memsw, PAGE_SIZE);
+			res_counter_uncharge(&mem->memsw, PAGE_SIZE * count);
+		VM_BUG_ON(test_bit(CSS_ROOT, &mem->css.flags));
+		WARN_ON_ONCE(count > INT_MAX);
+		__css_put(&mem->css, (int)count);
 	}
-	css_put(&mem->css);
+	/* we don't need css_put for root */
+}
+
+static void mem_cgroup_cancel_charge(struct mem_cgroup *mem)
+{
+	__mem_cgroup_cancel_charge(mem, 1);
 }
 
 /*
@@ -1615,6 +1773,12 @@ static void __mem_cgroup_commit_charge(struct mem_cgroup *mem,
 	mem_cgroup_charge_statistics(mem, pc, true);
 
 	unlock_page_cgroup(pc);
+	/*
+	 * "charge_statistics" updated event counter. Then, check it.
+	 * Insert ancestor (and ancestor's ancestors), to softlimit RB-tree.
+	 * if they exceeds softlimit.
+	 */
+	memcg_check_events(mem, pc->page);
 }
 
 /**
@@ -1622,22 +1786,22 @@ static void __mem_cgroup_commit_charge(struct mem_cgroup *mem,
  * @pc:	page_cgroup of the page.
  * @from: mem_cgroup which the page is moved from.
  * @to:	mem_cgroup which the page is moved to. @from != @to.
+ * @uncharge: whether we should call uncharge and css_put against @from.
  *
  * The caller must confirm following.
  * - page is not on LRU (isolate_page() is useful.)
  * - the pc is locked, used, and ->mem_cgroup points to @from.
  *
- * This function does "uncharge" from old cgroup but doesn't do "charge" to
- * new cgroup. It should be done by a caller.
+ * This function doesn't do "charge" nor css_get to new cgroup. It should be
+ * done by a caller(__mem_cgroup_try_charge would be usefull). If @uncharge is
+ * true, this function does "uncharge" from old cgroup, but it doesn't if
+ * @uncharge is false, so a caller should do "uncharge".
  */
 
 static void __mem_cgroup_move_account(struct page_cgroup *pc,
-	struct mem_cgroup *from, struct mem_cgroup *to)
+	struct mem_cgroup *from, struct mem_cgroup *to, bool uncharge)
 {
 	struct page *page;
-	int cpu;
-	struct mem_cgroup_stat *stat;
-	struct mem_cgroup_stat_cpu *cpustat;
 
 	VM_BUG_ON(from == to);
 	VM_BUG_ON(PageLRU(pc->page));
@@ -1645,38 +1809,28 @@ static void __mem_cgroup_move_account(struct page_cgroup *pc,
 	VM_BUG_ON(!PageCgroupUsed(pc));
 	VM_BUG_ON(pc->mem_cgroup != from);
 
-	if (!mem_cgroup_is_root(from))
-		res_counter_uncharge(&from->res, PAGE_SIZE);
-	mem_cgroup_charge_statistics(from, pc, false);
-
 	page = pc->page;
 	if (page_mapped(page) && !PageAnon(page)) {
-		cpu = smp_processor_id();
-		/* Update mapped_file data for mem_cgroup "from" */
-		stat = &from->stat;
-		cpustat = &stat->cpustat[cpu];
-		__mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_FILE_MAPPED,
-						-1);
-
-		/* Update mapped_file data for mem_cgroup "to" */
-		stat = &to->stat;
-		cpustat = &stat->cpustat[cpu];
-		__mem_cgroup_stat_add_safe(cpustat, MEM_CGROUP_STAT_FILE_MAPPED,
-						1);
+		/* Update mapped_file data for mem_cgroup */
+		preempt_disable();
+		__this_cpu_dec(from->stat->count[MEM_CGROUP_STAT_FILE_MAPPED]);
+		__this_cpu_inc(to->stat->count[MEM_CGROUP_STAT_FILE_MAPPED]);
+		preempt_enable();
 	}
+	mem_cgroup_charge_statistics(from, pc, false);
+	if (uncharge)
+		/* This is not "cancel", but cancel_charge does all we need. */
+		mem_cgroup_cancel_charge(from);
 
-	if (do_swap_account && !mem_cgroup_is_root(from))
-		res_counter_uncharge(&from->memsw, PAGE_SIZE);
-	css_put(&from->css);
-
-	css_get(&to->css);
+	/* caller should have done css_get */
 	pc->mem_cgroup = to;
 	mem_cgroup_charge_statistics(to, pc, true);
 	/*
 	 * We charges against "to" which may not have any tasks. Then, "to"
 	 * can be under rmdir(). But in current implementation, caller of
-	 * this function is just force_empty() and it's garanteed that
-	 * "to" is never removed. So, we don't check rmdir status here.
+	 * this function is just force_empty() and move charge, so it's
+	 * garanteed that "to" is never removed. So, we don't check rmdir
+	 * status here.
 	 */
 }
 
@@ -1685,15 +1839,20 @@ static void __mem_cgroup_move_account(struct page_cgroup *pc,
  * __mem_cgroup_move_account()
  */
 static int mem_cgroup_move_account(struct page_cgroup *pc,
-				struct mem_cgroup *from, struct mem_cgroup *to)
+		struct mem_cgroup *from, struct mem_cgroup *to, bool uncharge)
 {
 	int ret = -EINVAL;
 	lock_page_cgroup(pc);
 	if (PageCgroupUsed(pc) && pc->mem_cgroup == from) {
-		__mem_cgroup_move_account(pc, from, to);
+		__mem_cgroup_move_account(pc, from, to, uncharge);
 		ret = 0;
 	}
 	unlock_page_cgroup(pc);
+	/*
+	 * check events
+	 */
+	memcg_check_events(to, pc->page);
+	memcg_check_events(from, pc->page);
 	return ret;
 }
 
@@ -1722,15 +1881,13 @@ static int mem_cgroup_move_parent(struct page_cgroup *pc,
 		goto put;
 
 	parent = mem_cgroup_from_cont(pcg);
-	ret = __mem_cgroup_try_charge(NULL, gfp_mask, &parent, false, page);
+	ret = __mem_cgroup_try_charge(NULL, gfp_mask, &parent, false);
 	if (ret || !parent)
 		goto put_back;
 
-	ret = mem_cgroup_move_account(pc, child, parent);
-	if (!ret)
-		css_put(&parent->css);	/* drop extra refcnt by try_charge() */
-	else
-		mem_cgroup_cancel_charge(parent);	/* does css_put */
+	ret = mem_cgroup_move_account(pc, child, parent, true);
+	if (ret)
+		mem_cgroup_cancel_charge(parent);
 put_back:
 	putback_lru_page(page);
 put:
@@ -1760,7 +1917,7 @@ static int mem_cgroup_charge_common(struct page *page, struct mm_struct *mm,
 	prefetchw(pc);
 
 	mem = memcg;
-	ret = __mem_cgroup_try_charge(mm, gfp_mask, &mem, true, page);
+	ret = __mem_cgroup_try_charge(mm, gfp_mask, &mem, true);
 	if (ret || !mem)
 		return ret;
 
@@ -1880,14 +2037,14 @@ int mem_cgroup_try_charge_swapin(struct mm_struct *mm,
 	if (!mem)
 		goto charge_cur_mm;
 	*ptr = mem;
-	ret = __mem_cgroup_try_charge(NULL, mask, ptr, true, page);
+	ret = __mem_cgroup_try_charge(NULL, mask, ptr, true);
 	/* drop extra refcnt from tryget */
 	css_put(&mem->css);
 	return ret;
 charge_cur_mm:
 	if (unlikely(!mm))
 		mm = &init_mm;
-	return __mem_cgroup_try_charge(mm, mask, ptr, true, page);
+	return __mem_cgroup_try_charge(mm, mask, ptr, true);
 }
 
 static void
@@ -2064,8 +2221,7 @@ __mem_cgroup_uncharge_common(struct page *page, enum charge_type ctype)
 	mz = page_cgroup_zoneinfo(pc);
 	unlock_page_cgroup(pc);
 
-	if (mem_cgroup_soft_limit_check(mem))
-		mem_cgroup_update_tree(mem, page);
+	memcg_check_events(mem, page);
 	/* at swapout, this memcg will be accessed to record to swap */
 	if (ctype != MEM_CGROUP_CHARGE_TYPE_SWAPOUT)
 		css_put(&mem->css);
@@ -2192,6 +2348,64 @@ void mem_cgroup_uncharge_swap(swp_entry_t ent)
 	}
 	rcu_read_unlock();
 }
+
+/**
+ * mem_cgroup_move_swap_account - move swap charge and swap_cgroup's record.
+ * @entry: swap entry to be moved
+ * @from:  mem_cgroup which the entry is moved from
+ * @to:  mem_cgroup which the entry is moved to
+ * @need_fixup: whether we should fixup res_counters and refcounts.
+ *
+ * It succeeds only when the swap_cgroup's record for this entry is the same
+ * as the mem_cgroup's id of @from.
+ *
+ * Returns 0 on success, -EINVAL on failure.
+ *
+ * The caller must have charged to @to, IOW, called res_counter_charge() about
+ * both res and memsw, and called css_get().
+ */
+static int mem_cgroup_move_swap_account(swp_entry_t entry,
+		struct mem_cgroup *from, struct mem_cgroup *to, bool need_fixup)
+{
+	unsigned short old_id, new_id;
+
+	old_id = css_id(&from->css);
+	new_id = css_id(&to->css);
+
+	if (swap_cgroup_cmpxchg(entry, old_id, new_id) == old_id) {
+		mem_cgroup_swap_statistics(from, false);
+		mem_cgroup_swap_statistics(to, true);
+		/*
+		 * This function is only called from task migration context now.
+		 * It postpones res_counter and refcount handling till the end
+		 * of task migration(mem_cgroup_clear_mc()) for performance
+		 * improvement. But we cannot postpone mem_cgroup_get(to)
+		 * because if the process that has been moved to @to does
+		 * swap-in, the refcount of @to might be decreased to 0.
+		 */
+		mem_cgroup_get(to);
+		if (need_fixup) {
+			if (!mem_cgroup_is_root(from))
+				res_counter_uncharge(&from->memsw, PAGE_SIZE);
+			mem_cgroup_put(from);
+			/*
+			 * we charged both to->res and to->memsw, so we should
+			 * uncharge to->res.
+			 */
+			if (!mem_cgroup_is_root(to))
+				res_counter_uncharge(&to->res, PAGE_SIZE);
+			css_put(&to->css);
+		}
+		return 0;
+	}
+	return -EINVAL;
+}
+#else
+static inline int mem_cgroup_move_swap_account(swp_entry_t entry,
+		struct mem_cgroup *from, struct mem_cgroup *to, bool need_fixup)
+{
+	return -EINVAL;
+}
 #endif
 
 /*
@@ -2216,8 +2430,7 @@ int mem_cgroup_prepare_migration(struct page *page, struct mem_cgroup **ptr)
 	unlock_page_cgroup(pc);
 
 	if (mem) {
-		ret = __mem_cgroup_try_charge(NULL, GFP_KERNEL, &mem, false,
-						page);
+		ret = __mem_cgroup_try_charge(NULL, GFP_KERNEL, &mem, false);
 		css_put(&mem->css);
 	}
 	*ptr = mem;
@@ -2545,7 +2758,7 @@ static int mem_cgroup_force_empty_list(struct mem_cgroup *mem,
 		pc = list_entry(list->prev, struct page_cgroup, lru);
 		if (busy == pc) {
 			list_move(&pc->lru, list);
-			busy = 0;
+			busy = NULL;
 			spin_unlock_irqrestore(&zone->lru_lock, flags);
 			continue;
 		}
@@ -2704,7 +2917,7 @@ static int
 mem_cgroup_get_idx_stat(struct mem_cgroup *mem, void *data)
 {
 	struct mem_cgroup_idx_data *d = data;
-	d->val += mem_cgroup_read_stat(&mem->stat, d->idx);
+	d->val += mem_cgroup_read_stat(mem, d->idx);
 	return 0;
 }
 
@@ -2719,40 +2932,50 @@ mem_cgroup_get_recursive_idx_stat(struct mem_cgroup *mem,
 	*val = d.val;
 }
 
+static inline u64 mem_cgroup_usage(struct mem_cgroup *mem, bool swap)
+{
+	u64 idx_val, val;
+
+	if (!mem_cgroup_is_root(mem)) {
+		if (!swap)
+			return res_counter_read_u64(&mem->res, RES_USAGE);
+		else
+			return res_counter_read_u64(&mem->memsw, RES_USAGE);
+	}
+
+	mem_cgroup_get_recursive_idx_stat(mem, MEM_CGROUP_STAT_CACHE, &idx_val);
+	val = idx_val;
+	mem_cgroup_get_recursive_idx_stat(mem, MEM_CGROUP_STAT_RSS, &idx_val);
+	val += idx_val;
+
+	if (swap) {
+		mem_cgroup_get_recursive_idx_stat(mem,
+				MEM_CGROUP_STAT_SWAPOUT, &idx_val);
+		val += idx_val;
+	}
+
+	return val << PAGE_SHIFT;
+}
+
 static u64 mem_cgroup_read(struct cgroup *cont, struct cftype *cft)
 {
 	struct mem_cgroup *mem = mem_cgroup_from_cont(cont);
-	u64 idx_val, val;
+	u64 val;
 	int type, name;
 
 	type = MEMFILE_TYPE(cft->private);
 	name = MEMFILE_ATTR(cft->private);
 	switch (type) {
 	case _MEM:
-		if (name == RES_USAGE && mem_cgroup_is_root(mem)) {
-			mem_cgroup_get_recursive_idx_stat(mem,
-				MEM_CGROUP_STAT_CACHE, &idx_val);
-			val = idx_val;
-			mem_cgroup_get_recursive_idx_stat(mem,
-				MEM_CGROUP_STAT_RSS, &idx_val);
-			val += idx_val;
-			val <<= PAGE_SHIFT;
-		} else
+		if (name == RES_USAGE)
+			val = mem_cgroup_usage(mem, false);
+		else
 			val = res_counter_read_u64(&mem->res, name);
 		break;
 	case _MEMSWAP:
-		if (name == RES_USAGE && mem_cgroup_is_root(mem)) {
-			mem_cgroup_get_recursive_idx_stat(mem,
-				MEM_CGROUP_STAT_CACHE, &idx_val);
-			val = idx_val;
-			mem_cgroup_get_recursive_idx_stat(mem,
-				MEM_CGROUP_STAT_RSS, &idx_val);
-			val += idx_val;
-			mem_cgroup_get_recursive_idx_stat(mem,
-				MEM_CGROUP_STAT_SWAPOUT, &idx_val);
-			val += idx_val;
-			val <<= PAGE_SHIFT;
-		} else
+		if (name == RES_USAGE)
+			val = mem_cgroup_usage(mem, true);
+		else
 			val = res_counter_read_u64(&mem->memsw, name);
 		break;
 	default:
@@ -2865,6 +3088,39 @@ static int mem_cgroup_reset(struct cgroup *cont, unsigned int event)
 	return 0;
 }
 
+static u64 mem_cgroup_move_charge_read(struct cgroup *cgrp,
+					struct cftype *cft)
+{
+	return mem_cgroup_from_cont(cgrp)->move_charge_at_immigrate;
+}
+
+#ifdef CONFIG_MMU
+static int mem_cgroup_move_charge_write(struct cgroup *cgrp,
+					struct cftype *cft, u64 val)
+{
+	struct mem_cgroup *mem = mem_cgroup_from_cont(cgrp);
+
+	if (val >= (1 << NR_MOVE_TYPE))
+		return -EINVAL;
+	/*
+	 * We check this value several times in both in can_attach() and
+	 * attach(), so we need cgroup lock to prevent this value from being
+	 * inconsistent.
+	 */
+	cgroup_lock();
+	mem->move_charge_at_immigrate = val;
+	cgroup_unlock();
+
+	return 0;
+}
+#else
+static int mem_cgroup_move_charge_write(struct cgroup *cgrp,
+					struct cftype *cft, u64 val)
+{
+	return -ENOSYS;
+}
+#endif
+
 
 /* For read statistics */
 enum {
@@ -2910,18 +3166,18 @@ static int mem_cgroup_get_local_stat(struct mem_cgroup *mem, void *data)
 	s64 val;
 
 	/* per cpu stat */
-	val = mem_cgroup_read_stat(&mem->stat, MEM_CGROUP_STAT_CACHE);
+	val = mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_CACHE);
 	s->stat[MCS_CACHE] += val * PAGE_SIZE;
-	val = mem_cgroup_read_stat(&mem->stat, MEM_CGROUP_STAT_RSS);
+	val = mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_RSS);
 	s->stat[MCS_RSS] += val * PAGE_SIZE;
-	val = mem_cgroup_read_stat(&mem->stat, MEM_CGROUP_STAT_FILE_MAPPED);
+	val = mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_FILE_MAPPED);
 	s->stat[MCS_FILE_MAPPED] += val * PAGE_SIZE;
-	val = mem_cgroup_read_stat(&mem->stat, MEM_CGROUP_STAT_PGPGIN_COUNT);
+	val = mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_PGPGIN_COUNT);
 	s->stat[MCS_PGPGIN] += val;
-	val = mem_cgroup_read_stat(&mem->stat, MEM_CGROUP_STAT_PGPGOUT_COUNT);
+	val = mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_PGPGOUT_COUNT);
 	s->stat[MCS_PGPGOUT] += val;
 	if (do_swap_account) {
-		val = mem_cgroup_read_stat(&mem->stat, MEM_CGROUP_STAT_SWAPOUT);
+		val = mem_cgroup_read_stat(mem, MEM_CGROUP_STAT_SWAPOUT);
 		s->stat[MCS_SWAP] += val * PAGE_SIZE;
 	}
 
@@ -3049,12 +3305,249 @@ static int mem_cgroup_swappiness_write(struct cgroup *cgrp, struct cftype *cft,
 	return 0;
 }
 
+static void __mem_cgroup_threshold(struct mem_cgroup *memcg, bool swap)
+{
+	struct mem_cgroup_threshold_ary *t;
+	u64 usage;
+	int i;
+
+	rcu_read_lock();
+	if (!swap)
+		t = rcu_dereference(memcg->thresholds);
+	else
+		t = rcu_dereference(memcg->memsw_thresholds);
+
+	if (!t)
+		goto unlock;
+
+	usage = mem_cgroup_usage(memcg, swap);
+
+	/*
+	 * current_threshold points to threshold just below usage.
+	 * If it's not true, a threshold was crossed after last
+	 * call of __mem_cgroup_threshold().
+	 */
+	i = atomic_read(&t->current_threshold);
+
+	/*
+	 * Iterate backward over array of thresholds starting from
+	 * current_threshold and check if a threshold is crossed.
+	 * If none of thresholds below usage is crossed, we read
+	 * only one element of the array here.
+	 */
+	for (; i >= 0 && unlikely(t->entries[i].threshold > usage); i--)
+		eventfd_signal(t->entries[i].eventfd, 1);
+
+	/* i = current_threshold + 1 */
+	i++;
+
+	/*
+	 * Iterate forward over array of thresholds starting from
+	 * current_threshold+1 and check if a threshold is crossed.
+	 * If none of thresholds above usage is crossed, we read
+	 * only one element of the array here.
+	 */
+	for (; i < t->size && unlikely(t->entries[i].threshold <= usage); i++)
+		eventfd_signal(t->entries[i].eventfd, 1);
+
+	/* Update current_threshold */
+	atomic_set(&t->current_threshold, i - 1);
+unlock:
+	rcu_read_unlock();
+}
+
+static void mem_cgroup_threshold(struct mem_cgroup *memcg)
+{
+	__mem_cgroup_threshold(memcg, false);
+	if (do_swap_account)
+		__mem_cgroup_threshold(memcg, true);
+}
+
+static int compare_thresholds(const void *a, const void *b)
+{
+	const struct mem_cgroup_threshold *_a = a;
+	const struct mem_cgroup_threshold *_b = b;
+
+	return _a->threshold - _b->threshold;
+}
+
+static int mem_cgroup_register_event(struct cgroup *cgrp, struct cftype *cft,
+		struct eventfd_ctx *eventfd, const char *args)
+{
+	struct mem_cgroup *memcg = mem_cgroup_from_cont(cgrp);
+	struct mem_cgroup_threshold_ary *thresholds, *thresholds_new;
+	int type = MEMFILE_TYPE(cft->private);
+	u64 threshold, usage;
+	int size;
+	int i, ret;
+
+	ret = res_counter_memparse_write_strategy(args, &threshold);
+	if (ret)
+		return ret;
+
+	mutex_lock(&memcg->thresholds_lock);
+	if (type == _MEM)
+		thresholds = memcg->thresholds;
+	else if (type == _MEMSWAP)
+		thresholds = memcg->memsw_thresholds;
+	else
+		BUG();
+
+	usage = mem_cgroup_usage(memcg, type == _MEMSWAP);
+
+	/* Check if a threshold crossed before adding a new one */
+	if (thresholds)
+		__mem_cgroup_threshold(memcg, type == _MEMSWAP);
+
+	if (thresholds)
+		size = thresholds->size + 1;
+	else
+		size = 1;
+
+	/* Allocate memory for new array of thresholds */
+	thresholds_new = kmalloc(sizeof(*thresholds_new) +
+			size * sizeof(struct mem_cgroup_threshold),
+			GFP_KERNEL);
+	if (!thresholds_new) {
+		ret = -ENOMEM;
+		goto unlock;
+	}
+	thresholds_new->size = size;
+
+	/* Copy thresholds (if any) to new array */
+	if (thresholds)
+		memcpy(thresholds_new->entries, thresholds->entries,
+				thresholds->size *
+				sizeof(struct mem_cgroup_threshold));
+	/* Add new threshold */
+	thresholds_new->entries[size - 1].eventfd = eventfd;
+	thresholds_new->entries[size - 1].threshold = threshold;
+
+	/* Sort thresholds. Registering of new threshold isn't time-critical */
+	sort(thresholds_new->entries, size,
+			sizeof(struct mem_cgroup_threshold),
+			compare_thresholds, NULL);
+
+	/* Find current threshold */
+	atomic_set(&thresholds_new->current_threshold, -1);
+	for (i = 0; i < size; i++) {
+		if (thresholds_new->entries[i].threshold < usage) {
+			/*
+			 * thresholds_new->current_threshold will not be used
+			 * until rcu_assign_pointer(), so it's safe to increment
+			 * it here.
+			 */
+			atomic_inc(&thresholds_new->current_threshold);
+		}
+	}
+
+	if (type == _MEM)
+		rcu_assign_pointer(memcg->thresholds, thresholds_new);
+	else
+		rcu_assign_pointer(memcg->memsw_thresholds, thresholds_new);
+
+	/* To be sure that nobody uses thresholds before freeing it */
+	synchronize_rcu();
+
+	kfree(thresholds);
+unlock:
+	mutex_unlock(&memcg->thresholds_lock);
+
+	return ret;
+}
+
+static int mem_cgroup_unregister_event(struct cgroup *cgrp, struct cftype *cft,
+		struct eventfd_ctx *eventfd)
+{
+	struct mem_cgroup *memcg = mem_cgroup_from_cont(cgrp);
+	struct mem_cgroup_threshold_ary *thresholds, *thresholds_new;
+	int type = MEMFILE_TYPE(cft->private);
+	u64 usage;
+	int size = 0;
+	int i, j, ret;
+
+	mutex_lock(&memcg->thresholds_lock);
+	if (type == _MEM)
+		thresholds = memcg->thresholds;
+	else if (type == _MEMSWAP)
+		thresholds = memcg->memsw_thresholds;
+	else
+		BUG();
+
+	/*
+	 * Something went wrong if we trying to unregister a threshold
+	 * if we don't have thresholds
+	 */
+	BUG_ON(!thresholds);
+
+	usage = mem_cgroup_usage(memcg, type == _MEMSWAP);
+
+	/* Check if a threshold crossed before removing */
+	__mem_cgroup_threshold(memcg, type == _MEMSWAP);
+
+	/* Calculate new number of threshold */
+	for (i = 0; i < thresholds->size; i++) {
+		if (thresholds->entries[i].eventfd != eventfd)
+			size++;
+	}
+
+	/* Set thresholds array to NULL if we don't have thresholds */
+	if (!size) {
+		thresholds_new = NULL;
+		goto assign;
+	}
+
+	/* Allocate memory for new array of thresholds */
+	thresholds_new = kmalloc(sizeof(*thresholds_new) +
+			size * sizeof(struct mem_cgroup_threshold),
+			GFP_KERNEL);
+	if (!thresholds_new) {
+		ret = -ENOMEM;
+		goto unlock;
+	}
+	thresholds_new->size = size;
+
+	/* Copy thresholds and find current threshold */
+	atomic_set(&thresholds_new->current_threshold, -1);
+	for (i = 0, j = 0; i < thresholds->size; i++) {
+		if (thresholds->entries[i].eventfd == eventfd)
+			continue;
+
+		thresholds_new->entries[j] = thresholds->entries[i];
+		if (thresholds_new->entries[j].threshold < usage) {
+			/*
+			 * thresholds_new->current_threshold will not be used
+			 * until rcu_assign_pointer(), so it's safe to increment
+			 * it here.
+			 */
+			atomic_inc(&thresholds_new->current_threshold);
+		}
+		j++;
+	}
+
+assign:
+	if (type == _MEM)
+		rcu_assign_pointer(memcg->thresholds, thresholds_new);
+	else
+		rcu_assign_pointer(memcg->memsw_thresholds, thresholds_new);
+
+	/* To be sure that nobody uses thresholds before freeing it */
+	synchronize_rcu();
+
+	kfree(thresholds);
+unlock:
+	mutex_unlock(&memcg->thresholds_lock);
+
+	return ret;
+}
 
 static struct cftype mem_cgroup_files[] = {
 	{
 		.name = "usage_in_bytes",
 		.private = MEMFILE_PRIVATE(_MEM, RES_USAGE),
 		.read_u64 = mem_cgroup_read,
+		.register_event = mem_cgroup_register_event,
+		.unregister_event = mem_cgroup_unregister_event,
 	},
 	{
 		.name = "max_usage_in_bytes",
@@ -3098,6 +3591,11 @@ static struct cftype mem_cgroup_files[] = {
 		.read_u64 = mem_cgroup_swappiness_read,
 		.write_u64 = mem_cgroup_swappiness_write,
 	},
+	{
+		.name = "move_charge_at_immigrate",
+		.read_u64 = mem_cgroup_move_charge_read,
+		.write_u64 = mem_cgroup_move_charge_write,
+	},
 };
 
 #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP
@@ -3106,6 +3604,8 @@ static struct cftype memsw_cgroup_files[] = {
 		.name = "memsw.usage_in_bytes",
 		.private = MEMFILE_PRIVATE(_MEMSWAP, RES_USAGE),
 		.read_u64 = mem_cgroup_read,
+		.register_event = mem_cgroup_register_event,
+		.unregister_event = mem_cgroup_unregister_event,
 	},
 	{
 		.name = "memsw.max_usage_in_bytes",
@@ -3180,24 +3680,29 @@ static void free_mem_cgroup_per_zone_info(struct mem_cgroup *mem, int node)
 	kfree(mem->info.nodeinfo[node]);
 }
 
-static int mem_cgroup_size(void)
-{
-	int cpustat_size = nr_cpu_ids * sizeof(struct mem_cgroup_stat_cpu);
-	return sizeof(struct mem_cgroup) + cpustat_size;
-}
-
 static struct mem_cgroup *mem_cgroup_alloc(void)
 {
 	struct mem_cgroup *mem;
-	int size = mem_cgroup_size();
+	int size = sizeof(struct mem_cgroup);
 
+	/* Can be very big if MAX_NUMNODES is very big */
 	if (size < PAGE_SIZE)
 		mem = kmalloc(size, GFP_KERNEL);
 	else
 		mem = vmalloc(size);
 
-	if (mem)
-		memset(mem, 0, size);
+	if (!mem)
+		return NULL;
+
+	memset(mem, 0, size);
+	mem->stat = alloc_percpu(struct mem_cgroup_stat_cpu);
+	if (!mem->stat) {
+		if (size < PAGE_SIZE)
+			kfree(mem);
+		else
+			vfree(mem);
+		mem = NULL;
+	}
 	return mem;
 }
 
@@ -3222,7 +3727,8 @@ static void __mem_cgroup_free(struct mem_cgroup *mem)
 	for_each_node_state(node, N_POSSIBLE)
 		free_mem_cgroup_per_zone_info(mem, node);
 
-	if (mem_cgroup_size() < PAGE_SIZE)
+	free_percpu(mem->stat);
+	if (sizeof(struct mem_cgroup) < PAGE_SIZE)
 		kfree(mem);
 	else
 		vfree(mem);
@@ -3233,9 +3739,9 @@ static void mem_cgroup_get(struct mem_cgroup *mem)
 	atomic_inc(&mem->refcnt);
 }
 
-static void mem_cgroup_put(struct mem_cgroup *mem)
+static void __mem_cgroup_put(struct mem_cgroup *mem, int count)
 {
-	if (atomic_dec_and_test(&mem->refcnt)) {
+	if (atomic_sub_and_test(count, &mem->refcnt)) {
 		struct mem_cgroup *parent = parent_mem_cgroup(mem);
 		__mem_cgroup_free(mem);
 		if (parent)
@@ -3243,6 +3749,11 @@ static void mem_cgroup_put(struct mem_cgroup *mem)
 	}
 }
 
+static void mem_cgroup_put(struct mem_cgroup *mem)
+{
+	__mem_cgroup_put(mem, 1);
+}
+
 /*
  * Returns the parent mem_cgroup in memcgroup hierarchy with hierarchy enabled.
  */
@@ -3319,7 +3830,6 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
 			INIT_WORK(&stock->work, drain_local_stock);
 		}
 		hotcpu_notifier(memcg_stock_cpu_callback, 0);
-
 	} else {
 		parent = mem_cgroup_from_cont(cont->parent);
 		mem->use_hierarchy = parent->use_hierarchy;
@@ -3345,6 +3855,8 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont)
 	if (parent)
 		mem->swappiness = get_swappiness(parent);
 	atomic_set(&mem->refcnt, 1);
+	mem->move_charge_at_immigrate = 0;
+	mutex_init(&mem->thresholds_lock);
 	return &mem->css;
 free_out:
 	__mem_cgroup_free(mem);
@@ -3381,17 +3893,445 @@ static int mem_cgroup_populate(struct cgroup_subsys *ss,
 	return ret;
 }
 
+#ifdef CONFIG_MMU
+/* Handlers for move charge at task migration. */
+#define PRECHARGE_COUNT_AT_ONCE	256
+static int mem_cgroup_do_precharge(unsigned long count)
+{
+	int ret = 0;
+	int batch_count = PRECHARGE_COUNT_AT_ONCE;
+	struct mem_cgroup *mem = mc.to;
+
+	if (mem_cgroup_is_root(mem)) {
+		mc.precharge += count;
+		/* we don't need css_get for root */
+		return ret;
+	}
+	/* try to charge at once */
+	if (count > 1) {
+		struct res_counter *dummy;
+		/*
+		 * "mem" cannot be under rmdir() because we've already checked
+		 * by cgroup_lock_live_cgroup() that it is not removed and we
+		 * are still under the same cgroup_mutex. So we can postpone
+		 * css_get().
+		 */
+		if (res_counter_charge(&mem->res, PAGE_SIZE * count, &dummy))
+			goto one_by_one;
+		if (do_swap_account && res_counter_charge(&mem->memsw,
+						PAGE_SIZE * count, &dummy)) {
+			res_counter_uncharge(&mem->res, PAGE_SIZE * count);
+			goto one_by_one;
+		}
+		mc.precharge += count;
+		VM_BUG_ON(test_bit(CSS_ROOT, &mem->css.flags));
+		WARN_ON_ONCE(count > INT_MAX);
+		__css_get(&mem->css, (int)count);
+		return ret;
+	}
+one_by_one:
+	/* fall back to one by one charge */
+	while (count--) {
+		if (signal_pending(current)) {
+			ret = -EINTR;
+			break;
+		}
+		if (!batch_count--) {
+			batch_count = PRECHARGE_COUNT_AT_ONCE;
+			cond_resched();
+		}
+		ret = __mem_cgroup_try_charge(NULL, GFP_KERNEL, &mem, false);
+		if (ret || !mem)
+			/* mem_cgroup_clear_mc() will do uncharge later */
+			return -ENOMEM;
+		mc.precharge++;
+	}
+	return ret;
+}
+
+/**
+ * is_target_pte_for_mc - check a pte whether it is valid for move charge
+ * @vma: the vma the pte to be checked belongs
+ * @addr: the address corresponding to the pte to be checked
+ * @ptent: the pte to be checked
+ * @target: the pointer the target page or swap ent will be stored(can be NULL)
+ *
+ * Returns
+ *   0(MC_TARGET_NONE): if the pte is not a target for move charge.
+ *   1(MC_TARGET_PAGE): if the page corresponding to this pte is a target for
+ *     move charge. if @target is not NULL, the page is stored in target->page
+ *     with extra refcnt got(Callers should handle it).
+ *   2(MC_TARGET_SWAP): if the swap entry corresponding to this pte is a
+ *     target for charge migration. if @target is not NULL, the entry is stored
+ *     in target->ent.
+ *
+ * Called with pte lock held.
+ */
+union mc_target {
+	struct page	*page;
+	swp_entry_t	ent;
+};
+
+enum mc_target_type {
+	MC_TARGET_NONE,	/* not used */
+	MC_TARGET_PAGE,
+	MC_TARGET_SWAP,
+};
+
+static int is_target_pte_for_mc(struct vm_area_struct *vma,
+		unsigned long addr, pte_t ptent, union mc_target *target)
+{
+	struct page *page = NULL;
+	struct page_cgroup *pc;
+	int ret = 0;
+	swp_entry_t ent = { .val = 0 };
+	int usage_count = 0;
+	bool move_anon = test_bit(MOVE_CHARGE_TYPE_ANON,
+					&mc.to->move_charge_at_immigrate);
+
+	if (!pte_present(ptent)) {
+		/* TODO: handle swap of shmes/tmpfs */
+		if (pte_none(ptent) || pte_file(ptent))
+			return 0;
+		else if (is_swap_pte(ptent)) {
+			ent = pte_to_swp_entry(ptent);
+			if (!move_anon || non_swap_entry(ent))
+				return 0;
+			usage_count = mem_cgroup_count_swap_user(ent, &page);
+		}
+	} else {
+		page = vm_normal_page(vma, addr, ptent);
+		if (!page || !page_mapped(page))
+			return 0;
+		/*
+		 * TODO: We don't move charges of file(including shmem/tmpfs)
+		 * pages for now.
+		 */
+		if (!move_anon || !PageAnon(page))
+			return 0;
+		if (!get_page_unless_zero(page))
+			return 0;
+		usage_count = page_mapcount(page);
+	}
+	if (usage_count > 1) {
+		/*
+		 * TODO: We don't move charges of shared(used by multiple
+		 * processes) pages for now.
+		 */
+		if (page)
+			put_page(page);
+		return 0;
+	}
+	if (page) {
+		pc = lookup_page_cgroup(page);
+		/*
+		 * Do only loose check w/o page_cgroup lock.
+		 * mem_cgroup_move_account() checks the pc is valid or not under
+		 * the lock.
+		 */
+		if (PageCgroupUsed(pc) && pc->mem_cgroup == mc.from) {
+			ret = MC_TARGET_PAGE;
+			if (target)
+				target->page = page;
+		}
+		if (!ret || !target)
+			put_page(page);
+	}
+	/* throught */
+	if (ent.val && do_swap_account && !ret &&
+			css_id(&mc.from->css) == lookup_swap_cgroup(ent)) {
+		ret = MC_TARGET_SWAP;
+		if (target)
+			target->ent = ent;
+	}
+	return ret;
+}
+
+static int mem_cgroup_count_precharge_pte_range(pmd_t *pmd,
+					unsigned long addr, unsigned long end,
+					struct mm_walk *walk)
+{
+	struct vm_area_struct *vma = walk->private;
+	pte_t *pte;
+	spinlock_t *ptl;
+
+	pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
+	for (; addr != end; pte++, addr += PAGE_SIZE)
+		if (is_target_pte_for_mc(vma, addr, *pte, NULL))
+			mc.precharge++;	/* increment precharge temporarily */
+	pte_unmap_unlock(pte - 1, ptl);
+	cond_resched();
+
+	return 0;
+}
+
+static unsigned long mem_cgroup_count_precharge(struct mm_struct *mm)
+{
+	unsigned long precharge;
+	struct vm_area_struct *vma;
+
+	down_read(&mm->mmap_sem);
+	for (vma = mm->mmap; vma; vma = vma->vm_next) {
+		struct mm_walk mem_cgroup_count_precharge_walk = {
+			.pmd_entry = mem_cgroup_count_precharge_pte_range,
+			.mm = mm,
+			.private = vma,
+		};
+		if (is_vm_hugetlb_page(vma))
+			continue;
+		/* TODO: We don't move charges of shmem/tmpfs pages for now. */
+		if (vma->vm_flags & VM_SHARED)
+			continue;
+		walk_page_range(vma->vm_start, vma->vm_end,
+					&mem_cgroup_count_precharge_walk);
+	}
+	up_read(&mm->mmap_sem);
+
+	precharge = mc.precharge;
+	mc.precharge = 0;
+
+	return precharge;
+}
+
+static int mem_cgroup_precharge_mc(struct mm_struct *mm)
+{
+	return mem_cgroup_do_precharge(mem_cgroup_count_precharge(mm));
+}
+
+static void mem_cgroup_clear_mc(void)
+{
+	/* we must uncharge all the leftover precharges from mc.to */
+	if (mc.precharge) {
+		__mem_cgroup_cancel_charge(mc.to, mc.precharge);
+		mc.precharge = 0;
+	}
+	/*
+	 * we didn't uncharge from mc.from at mem_cgroup_move_account(), so
+	 * we must uncharge here.
+	 */
+	if (mc.moved_charge) {
+		__mem_cgroup_cancel_charge(mc.from, mc.moved_charge);
+		mc.moved_charge = 0;
+	}
+	/* we must fixup refcnts and charges */
+	if (mc.moved_swap) {
+		WARN_ON_ONCE(mc.moved_swap > INT_MAX);
+		/* uncharge swap account from the old cgroup */
+		if (!mem_cgroup_is_root(mc.from))
+			res_counter_uncharge(&mc.from->memsw,
+						PAGE_SIZE * mc.moved_swap);
+		__mem_cgroup_put(mc.from, mc.moved_swap);
+
+		if (!mem_cgroup_is_root(mc.to)) {
+			/*
+			 * we charged both to->res and to->memsw, so we should
+			 * uncharge to->res.
+			 */
+			res_counter_uncharge(&mc.to->res,
+						PAGE_SIZE * mc.moved_swap);
+			VM_BUG_ON(test_bit(CSS_ROOT, &mc.to->css.flags));
+			__css_put(&mc.to->css, mc.moved_swap);
+		}
+		/* we've already done mem_cgroup_get(mc.to) */
+
+		mc.moved_swap = 0;
+	}
+	mc.from = NULL;
+	mc.to = NULL;
+	mc.moving_task = NULL;
+	wake_up_all(&mc.waitq);
+}
+
+static int mem_cgroup_can_attach(struct cgroup_subsys *ss,
+				struct cgroup *cgroup,
+				struct task_struct *p,
+				bool threadgroup)
+{
+	int ret = 0;
+	struct mem_cgroup *mem = mem_cgroup_from_cont(cgroup);
+
+	if (mem->move_charge_at_immigrate) {
+		struct mm_struct *mm;
+		struct mem_cgroup *from = mem_cgroup_from_task(p);
+
+		VM_BUG_ON(from == mem);
+
+		mm = get_task_mm(p);
+		if (!mm)
+			return 0;
+		/* We move charges only when we move a owner of the mm */
+		if (mm->owner == p) {
+			VM_BUG_ON(mc.from);
+			VM_BUG_ON(mc.to);
+			VM_BUG_ON(mc.precharge);
+			VM_BUG_ON(mc.moved_charge);
+			VM_BUG_ON(mc.moved_swap);
+			VM_BUG_ON(mc.moving_task);
+			mc.from = from;
+			mc.to = mem;
+			mc.precharge = 0;
+			mc.moved_charge = 0;
+			mc.moved_swap = 0;
+			mc.moving_task = current;
+
+			ret = mem_cgroup_precharge_mc(mm);
+			if (ret)
+				mem_cgroup_clear_mc();
+		}
+		mmput(mm);
+	}
+	return ret;
+}
+
+static void mem_cgroup_cancel_attach(struct cgroup_subsys *ss,
+				struct cgroup *cgroup,
+				struct task_struct *p,
+				bool threadgroup)
+{
+	mem_cgroup_clear_mc();
+}
+
+static int mem_cgroup_move_charge_pte_range(pmd_t *pmd,
+				unsigned long addr, unsigned long end,
+				struct mm_walk *walk)
+{
+	int ret = 0;
+	struct vm_area_struct *vma = walk->private;
+	pte_t *pte;
+	spinlock_t *ptl;
+
+retry:
+	pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
+	for (; addr != end; addr += PAGE_SIZE) {
+		pte_t ptent = *(pte++);
+		union mc_target target;
+		int type;
+		struct page *page;
+		struct page_cgroup *pc;
+		swp_entry_t ent;
+
+		if (!mc.precharge)
+			break;
+
+		type = is_target_pte_for_mc(vma, addr, ptent, &target);
+		switch (type) {
+		case MC_TARGET_PAGE:
+			page = target.page;
+			if (isolate_lru_page(page))
+				goto put;
+			pc = lookup_page_cgroup(page);
+			if (!mem_cgroup_move_account(pc,
+						mc.from, mc.to, false)) {
+				mc.precharge--;
+				/* we uncharge from mc.from later. */
+				mc.moved_charge++;
+			}
+			putback_lru_page(page);
+put:			/* is_target_pte_for_mc() gets the page */
+			put_page(page);
+			break;
+		case MC_TARGET_SWAP:
+			ent = target.ent;
+			if (!mem_cgroup_move_swap_account(ent,
+						mc.from, mc.to, false)) {
+				mc.precharge--;
+				/* we fixup refcnts and charges later. */
+				mc.moved_swap++;
+			}
+			break;
+		default:
+			break;
+		}
+	}
+	pte_unmap_unlock(pte - 1, ptl);
+	cond_resched();
+
+	if (addr != end) {
+		/*
+		 * We have consumed all precharges we got in can_attach().
+		 * We try charge one by one, but don't do any additional
+		 * charges to mc.to if we have failed in charge once in attach()
+		 * phase.
+		 */
+		ret = mem_cgroup_do_precharge(1);
+		if (!ret)
+			goto retry;
+	}
+
+	return ret;
+}
+
+static void mem_cgroup_move_charge(struct mm_struct *mm)
+{
+	struct vm_area_struct *vma;
+
+	lru_add_drain_all();
+	down_read(&mm->mmap_sem);
+	for (vma = mm->mmap; vma; vma = vma->vm_next) {
+		int ret;
+		struct mm_walk mem_cgroup_move_charge_walk = {
+			.pmd_entry = mem_cgroup_move_charge_pte_range,
+			.mm = mm,
+			.private = vma,
+		};
+		if (is_vm_hugetlb_page(vma))
+			continue;
+		/* TODO: We don't move charges of shmem/tmpfs pages for now. */
+		if (vma->vm_flags & VM_SHARED)
+			continue;
+		ret = walk_page_range(vma->vm_start, vma->vm_end,
+						&mem_cgroup_move_charge_walk);
+		if (ret)
+			/*
+			 * means we have consumed all precharges and failed in
+			 * doing additional charge. Just abandon here.
+			 */
+			break;
+	}
+	up_read(&mm->mmap_sem);
+}
+
 static void mem_cgroup_move_task(struct cgroup_subsys *ss,
 				struct cgroup *cont,
 				struct cgroup *old_cont,
 				struct task_struct *p,
 				bool threadgroup)
 {
-	/*
-	 * FIXME: It's better to move charges of this process from old
-	 * memcg to new memcg. But it's just on TODO-List now.
-	 */
+	struct mm_struct *mm;
+
+	if (!mc.to)
+		/* no need to move charge */
+		return;
+
+	mm = get_task_mm(p);
+	if (mm) {
+		mem_cgroup_move_charge(mm);
+		mmput(mm);
+	}
+	mem_cgroup_clear_mc();
 }
+#else	/* !CONFIG_MMU */
+static int mem_cgroup_can_attach(struct cgroup_subsys *ss,
+				struct cgroup *cgroup,
+				struct task_struct *p,
+				bool threadgroup)
+{
+	return 0;
+}
+static void mem_cgroup_cancel_attach(struct cgroup_subsys *ss,
+				struct cgroup *cgroup,
+				struct task_struct *p,
+				bool threadgroup)
+{
+}
+static void mem_cgroup_move_task(struct cgroup_subsys *ss,
+				struct cgroup *cont,
+				struct cgroup *old_cont,
+				struct task_struct *p,
+				bool threadgroup)
+{
+}
+#endif
 
 struct cgroup_subsys mem_cgroup_subsys = {
 	.name = "memory",
@@ -3400,6 +4340,8 @@ struct cgroup_subsys mem_cgroup_subsys = {
 	.pre_destroy = mem_cgroup_pre_destroy,
 	.destroy = mem_cgroup_destroy,
 	.populate = mem_cgroup_populate,
+	.can_attach = mem_cgroup_can_attach,
+	.cancel_attach = mem_cgroup_cancel_attach,
 	.attach = mem_cgroup_move_task,
 	.early_init = 0,
 	.use_id = 1,
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 17299fd4577c..d1f335162976 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -383,9 +383,12 @@ static void collect_procs_anon(struct page *page, struct list_head *to_kill,
 	if (av == NULL)	/* Not actually mapped anymore */
 		goto out;
 	for_each_process (tsk) {
+		struct anon_vma_chain *vmac;
+
 		if (!task_early_kill(tsk))
 			continue;
-		list_for_each_entry (vma, &av->head, anon_vma_node) {
+		list_for_each_entry(vmac, &av->head, same_anon_vma) {
+			vma = vmac->vma;
 			if (!page_mapped_in_vma(page, vma))
 				continue;
 			if (vma->vm_mm == tsk->mm)
diff --git a/mm/memory.c b/mm/memory.c
index 72fb5f39bccc..bc9ba5a1f5b9 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -121,6 +121,78 @@ static int __init init_zero_pfn(void)
 }
 core_initcall(init_zero_pfn);
 
+
+#if defined(SPLIT_RSS_COUNTING)
+
+void __sync_task_rss_stat(struct task_struct *task, struct mm_struct *mm)
+{
+	int i;
+
+	for (i = 0; i < NR_MM_COUNTERS; i++) {
+		if (task->rss_stat.count[i]) {
+			BUG_ON(!mm);
+			add_mm_counter(mm, i, task->rss_stat.count[i]);
+			task->rss_stat.count[i] = 0;
+		}
+	}
+	task->rss_stat.events = 0;
+}
+
+static void add_mm_counter_fast(struct mm_struct *mm, int member, int val)
+{
+	struct task_struct *task = current;
+
+	if (likely(task->mm == mm))
+		task->rss_stat.count[member] += val;
+	else
+		add_mm_counter(mm, member, val);
+}
+#define inc_mm_counter_fast(mm, member) add_mm_counter_fast(mm, member, 1)
+#define dec_mm_counter_fast(mm, member) add_mm_counter_fast(mm, member, -1)
+
+/* sync counter once per 64 page faults */
+#define TASK_RSS_EVENTS_THRESH	(64)
+static void check_sync_rss_stat(struct task_struct *task)
+{
+	if (unlikely(task != current))
+		return;
+	if (unlikely(task->rss_stat.events++ > TASK_RSS_EVENTS_THRESH))
+		__sync_task_rss_stat(task, task->mm);
+}
+
+unsigned long get_mm_counter(struct mm_struct *mm, int member)
+{
+	long val = 0;
+
+	/*
+	 * Don't use task->mm here...for avoiding to use task_get_mm()..
+	 * The caller must guarantee task->mm is not invalid.
+	 */
+	val = atomic_long_read(&mm->rss_stat.count[member]);
+	/*
+	 * counter is updated in asynchronous manner and may go to minus.
+	 * But it's never be expected number for users.
+	 */
+	if (val < 0)
+		return 0;
+	return (unsigned long)val;
+}
+
+void sync_mm_rss(struct task_struct *task, struct mm_struct *mm)
+{
+	__sync_task_rss_stat(task, mm);
+}
+#else
+
+#define inc_mm_counter_fast(mm, member) inc_mm_counter(mm, member)
+#define dec_mm_counter_fast(mm, member) dec_mm_counter(mm, member)
+
+static void check_sync_rss_stat(struct task_struct *task)
+{
+}
+
+#endif
+
 /*
  * If a p?d_bad entry is found while walking page tables, report
  * the error, before resetting entry to p?d_none.  Usually (but
@@ -300,7 +372,7 @@ void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *vma,
 		 * Hide vma from rmap and truncate_pagecache before freeing
 		 * pgtables
 		 */
-		anon_vma_unlink(vma);
+		unlink_anon_vmas(vma);
 		unlink_file_vma(vma);
 
 		if (is_vm_hugetlb_page(vma)) {
@@ -314,7 +386,7 @@ void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *vma,
 			       && !is_vm_hugetlb_page(next)) {
 				vma = next;
 				next = vma->vm_next;
-				anon_vma_unlink(vma);
+				unlink_anon_vmas(vma);
 				unlink_file_vma(vma);
 			}
 			free_pgd_range(tlb, addr, vma->vm_end,
@@ -376,12 +448,20 @@ int __pte_alloc_kernel(pmd_t *pmd, unsigned long address)
 	return 0;
 }
 
-static inline void add_mm_rss(struct mm_struct *mm, int file_rss, int anon_rss)
+static inline void init_rss_vec(int *rss)
 {
-	if (file_rss)
-		add_mm_counter(mm, file_rss, file_rss);
-	if (anon_rss)
-		add_mm_counter(mm, anon_rss, anon_rss);
+	memset(rss, 0, sizeof(int) * NR_MM_COUNTERS);
+}
+
+static inline void add_mm_rss_vec(struct mm_struct *mm, int *rss)
+{
+	int i;
+
+	if (current->mm == mm)
+		sync_mm_rss(current, mm);
+	for (i = 0; i < NR_MM_COUNTERS; i++)
+		if (rss[i])
+			add_mm_counter(mm, i, rss[i]);
 }
 
 /*
@@ -430,12 +510,8 @@ static void print_bad_pte(struct vm_area_struct *vma, unsigned long addr,
 		"BUG: Bad page map in process %s  pte:%08llx pmd:%08llx\n",
 		current->comm,
 		(long long)pte_val(pte), (long long)pmd_val(*pmd));
-	if (page) {
-		printk(KERN_ALERT
-		"page:%p flags:%p count:%d mapcount:%d mapping:%p index:%lx\n",
-		page, (void *)page->flags, page_count(page),
-		page_mapcount(page), page->mapping, page->index);
-	}
+	if (page)
+		dump_page(page);
 	printk(KERN_ALERT
 		"addr:%p vm_flags:%08lx anon_vma:%p mapping:%p index:%lx\n",
 		(void *)addr, vma->vm_flags, vma->anon_vma, mapping, index);
@@ -597,7 +673,9 @@ copy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,
 						 &src_mm->mmlist);
 				spin_unlock(&mmlist_lock);
 			}
-			if (is_write_migration_entry(entry) &&
+			if (likely(!non_swap_entry(entry)))
+				rss[MM_SWAPENTS]++;
+			else if (is_write_migration_entry(entry) &&
 					is_cow_mapping(vm_flags)) {
 				/*
 				 * COW mappings require pages in both parent
@@ -632,7 +710,10 @@ copy_one_pte(struct mm_struct *dst_mm, struct mm_struct *src_mm,
 	if (page) {
 		get_page(page);
 		page_dup_rmap(page);
-		rss[PageAnon(page)]++;
+		if (PageAnon(page))
+			rss[MM_ANONPAGES]++;
+		else
+			rss[MM_FILEPAGES]++;
 	}
 
 out_set_pte:
@@ -648,11 +729,12 @@ static int copy_pte_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,
 	pte_t *src_pte, *dst_pte;
 	spinlock_t *src_ptl, *dst_ptl;
 	int progress = 0;
-	int rss[2];
+	int rss[NR_MM_COUNTERS];
 	swp_entry_t entry = (swp_entry_t){0};
 
 again:
-	rss[1] = rss[0] = 0;
+	init_rss_vec(rss);
+
 	dst_pte = pte_alloc_map_lock(dst_mm, dst_pmd, addr, &dst_ptl);
 	if (!dst_pte)
 		return -ENOMEM;
@@ -688,7 +770,7 @@ again:
 	arch_leave_lazy_mmu_mode();
 	spin_unlock(src_ptl);
 	pte_unmap_nested(orig_src_pte);
-	add_mm_rss(dst_mm, rss[0], rss[1]);
+	add_mm_rss_vec(dst_mm, rss);
 	pte_unmap_unlock(orig_dst_pte, dst_ptl);
 	cond_resched();
 
@@ -816,8 +898,9 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb,
 	struct mm_struct *mm = tlb->mm;
 	pte_t *pte;
 	spinlock_t *ptl;
-	int file_rss = 0;
-	int anon_rss = 0;
+	int rss[NR_MM_COUNTERS];
+
+	init_rss_vec(rss);
 
 	pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
 	arch_enter_lazy_mmu_mode();
@@ -863,14 +946,14 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb,
 				set_pte_at(mm, addr, pte,
 					   pgoff_to_pte(page->index));
 			if (PageAnon(page))
-				anon_rss--;
+				rss[MM_ANONPAGES]--;
 			else {
 				if (pte_dirty(ptent))
 					set_page_dirty(page);
 				if (pte_young(ptent) &&
 				    likely(!VM_SequentialReadHint(vma)))
 					mark_page_accessed(page);
-				file_rss--;
+				rss[MM_FILEPAGES]--;
 			}
 			page_remove_rmap(page);
 			if (unlikely(page_mapcount(page) < 0))
@@ -887,13 +970,18 @@ static unsigned long zap_pte_range(struct mmu_gather *tlb,
 		if (pte_file(ptent)) {
 			if (unlikely(!(vma->vm_flags & VM_NONLINEAR)))
 				print_bad_pte(vma, addr, ptent, NULL);
-		} else if
-		  (unlikely(!free_swap_and_cache(pte_to_swp_entry(ptent))))
-			print_bad_pte(vma, addr, ptent, NULL);
+		} else {
+			swp_entry_t entry = pte_to_swp_entry(ptent);
+
+			if (!non_swap_entry(entry))
+				rss[MM_SWAPENTS]--;
+			if (unlikely(!free_swap_and_cache(entry)))
+				print_bad_pte(vma, addr, ptent, NULL);
+		}
 		pte_clear_not_present_full(mm, addr, pte, tlb->fullmm);
 	} while (pte++, addr += PAGE_SIZE, (addr != end && *zap_work > 0));
 
-	add_mm_rss(mm, file_rss, anon_rss);
+	add_mm_rss_vec(mm, rss);
 	arch_leave_lazy_mmu_mode();
 	pte_unmap_unlock(pte - 1, ptl);
 
@@ -1527,7 +1615,7 @@ static int insert_page(struct vm_area_struct *vma, unsigned long addr,
 
 	/* Ok, finally just insert the thing.. */
 	get_page(page);
-	inc_mm_counter(mm, file_rss);
+	inc_mm_counter_fast(mm, MM_FILEPAGES);
 	page_add_file_rmap(page);
 	set_pte_at(mm, addr, pte, mk_pte(page, prot));
 
@@ -2044,6 +2132,13 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
 			page_cache_release(old_page);
 		}
 		reuse = reuse_swap_page(old_page);
+		if (reuse)
+			/*
+			 * The page is all ours.  Move it to our anon_vma so
+			 * the rmap code will not search our parent or siblings.
+			 * Protected against the rmap code by the page lock.
+			 */
+			page_move_anon_rmap(old_page, vma, address);
 		unlock_page(old_page);
 	} else if (unlikely((vma->vm_flags & (VM_WRITE|VM_SHARED)) ==
 					(VM_WRITE|VM_SHARED))) {
@@ -2163,11 +2258,11 @@ gotten:
 	if (likely(pte_same(*page_table, orig_pte))) {
 		if (old_page) {
 			if (!PageAnon(old_page)) {
-				dec_mm_counter(mm, file_rss);
-				inc_mm_counter(mm, anon_rss);
+				dec_mm_counter_fast(mm, MM_FILEPAGES);
+				inc_mm_counter_fast(mm, MM_ANONPAGES);
 			}
 		} else
-			inc_mm_counter(mm, anon_rss);
+			inc_mm_counter_fast(mm, MM_ANONPAGES);
 		flush_cache_page(vma, address, pte_pfn(orig_pte));
 		entry = mk_pte(new_page, vma->vm_page_prot);
 		entry = maybe_mkwrite(pte_mkdirty(entry), vma);
@@ -2604,7 +2699,8 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
 	 * discarded at swap_free().
 	 */
 
-	inc_mm_counter(mm, anon_rss);
+	inc_mm_counter_fast(mm, MM_ANONPAGES);
+	dec_mm_counter_fast(mm, MM_SWAPENTS);
 	pte = mk_pte(page, vma->vm_page_prot);
 	if ((flags & FAULT_FLAG_WRITE) && reuse_swap_page(page)) {
 		pte = maybe_mkwrite(pte_mkdirty(pte), vma);
@@ -2688,7 +2784,7 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
 	if (!pte_none(*page_table))
 		goto release;
 
-	inc_mm_counter(mm, anon_rss);
+	inc_mm_counter_fast(mm, MM_ANONPAGES);
 	page_add_new_anon_rmap(page, vma, address);
 setpte:
 	set_pte_at(mm, address, page_table, entry);
@@ -2842,10 +2938,10 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 		if (flags & FAULT_FLAG_WRITE)
 			entry = maybe_mkwrite(pte_mkdirty(entry), vma);
 		if (anon) {
-			inc_mm_counter(mm, anon_rss);
+			inc_mm_counter_fast(mm, MM_ANONPAGES);
 			page_add_new_anon_rmap(page, vma, address);
 		} else {
-			inc_mm_counter(mm, file_rss);
+			inc_mm_counter_fast(mm, MM_FILEPAGES);
 			page_add_file_rmap(page);
 			if (flags & FAULT_FLAG_WRITE) {
 				dirty_page = page;
@@ -3023,6 +3119,9 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma,
 
 	count_vm_event(PGFAULT);
 
+	/* do counter updates before entering really critical section. */
+	check_sync_rss_stat(current);
+
 	if (unlikely(is_vm_hugetlb_page(vma)))
 		return hugetlb_fault(mm, vma, address, flags);
 
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 030ce8a5bb0e..be211a582930 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -28,6 +28,7 @@
 #include <linux/pfn.h>
 #include <linux/suspend.h>
 #include <linux/mm_inline.h>
+#include <linux/firmware-map.h>
 
 #include <asm/tlbflush.h>
 
@@ -523,6 +524,9 @@ int __ref add_memory(int nid, u64 start, u64 size)
 		BUG_ON(ret);
 	}
 
+	/* create new memmap entry */
+	firmware_map_add_hotplug(start, start + size, "System RAM");
+
 	goto out;
 
 error:
@@ -684,9 +688,9 @@ do_migrate_range(unsigned long start_pfn, unsigned long end_pfn)
 			if (page_count(page))
 				not_managed++;
 #ifdef CONFIG_DEBUG_VM
-			printk(KERN_INFO "removing from LRU failed"
-					 " %lx/%d/%lx\n",
-				pfn, page_count(page), page->flags);
+			printk(KERN_ALERT "removing pfn %lx from LRU failed\n",
+			       pfn);
+			dump_page(page);
 #endif
 		}
 	}
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 290fb5bf0440..8034abd3a135 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -563,24 +563,50 @@ static int policy_vma(struct vm_area_struct *vma, struct mempolicy *new)
 }
 
 /* Step 2: apply policy to a range and do splits. */
-static int mbind_range(struct vm_area_struct *vma, unsigned long start,
-		       unsigned long end, struct mempolicy *new)
+static int mbind_range(struct mm_struct *mm, unsigned long start,
+		       unsigned long end, struct mempolicy *new_pol)
 {
 	struct vm_area_struct *next;
-	int err;
+	struct vm_area_struct *prev;
+	struct vm_area_struct *vma;
+	int err = 0;
+	pgoff_t pgoff;
+	unsigned long vmstart;
+	unsigned long vmend;
 
-	err = 0;
-	for (; vma && vma->vm_start < end; vma = next) {
+	vma = find_vma_prev(mm, start, &prev);
+	if (!vma || vma->vm_start > start)
+		return -EFAULT;
+
+	for (; vma && vma->vm_start < end; prev = vma, vma = next) {
 		next = vma->vm_next;
-		if (vma->vm_start < start)
-			err = split_vma(vma->vm_mm, vma, start, 1);
-		if (!err && vma->vm_end > end)
-			err = split_vma(vma->vm_mm, vma, end, 0);
-		if (!err)
-			err = policy_vma(vma, new);
+		vmstart = max(start, vma->vm_start);
+		vmend   = min(end, vma->vm_end);
+
+		pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT);
+		prev = vma_merge(mm, prev, vmstart, vmend, vma->vm_flags,
+				  vma->anon_vma, vma->vm_file, pgoff, new_pol);
+		if (prev) {
+			vma = prev;
+			next = vma->vm_next;
+			continue;
+		}
+		if (vma->vm_start != vmstart) {
+			err = split_vma(vma->vm_mm, vma, vmstart, 1);
+			if (err)
+				goto out;
+		}
+		if (vma->vm_end != vmend) {
+			err = split_vma(vma->vm_mm, vma, vmend, 0);
+			if (err)
+				goto out;
+		}
+		err = policy_vma(vma, new_pol);
 		if (err)
-			break;
+			goto out;
 	}
+
+ out:
 	return err;
 }
 
@@ -780,9 +806,13 @@ static long do_get_mempolicy(int *policy, nodemask_t *nmask,
 
 	err = 0;
 	if (nmask) {
-		task_lock(current);
-		get_policy_nodemask(pol, nmask);
-		task_unlock(current);
+		if (mpol_store_user_nodemask(pol)) {
+			*nmask = pol->w.user_nodemask;
+		} else {
+			task_lock(current);
+			get_policy_nodemask(pol, nmask);
+			task_unlock(current);
+		}
 	}
 
  out:
@@ -862,36 +892,36 @@ int do_migrate_pages(struct mm_struct *mm,
 	if (err)
 		goto out;
 
-/*
- * Find a 'source' bit set in 'tmp' whose corresponding 'dest'
- * bit in 'to' is not also set in 'tmp'.  Clear the found 'source'
- * bit in 'tmp', and return that <source, dest> pair for migration.
- * The pair of nodemasks 'to' and 'from' define the map.
- *
- * If no pair of bits is found that way, fallback to picking some
- * pair of 'source' and 'dest' bits that are not the same.  If the
- * 'source' and 'dest' bits are the same, this represents a node
- * that will be migrating to itself, so no pages need move.
- *
- * If no bits are left in 'tmp', or if all remaining bits left
- * in 'tmp' correspond to the same bit in 'to', return false
- * (nothing left to migrate).
- *
- * This lets us pick a pair of nodes to migrate between, such that
- * if possible the dest node is not already occupied by some other
- * source node, minimizing the risk of overloading the memory on a
- * node that would happen if we migrated incoming memory to a node
- * before migrating outgoing memory source that same node.
- *
- * A single scan of tmp is sufficient.  As we go, we remember the
- * most recent <s, d> pair that moved (s != d).  If we find a pair
- * that not only moved, but what's better, moved to an empty slot
- * (d is not set in tmp), then we break out then, with that pair.
- * Otherwise when we finish scannng from_tmp, we at least have the
- * most recent <s, d> pair that moved.  If we get all the way through
- * the scan of tmp without finding any node that moved, much less
- * moved to an empty node, then there is nothing left worth migrating.
- */
+	/*
+	 * Find a 'source' bit set in 'tmp' whose corresponding 'dest'
+	 * bit in 'to' is not also set in 'tmp'.  Clear the found 'source'
+	 * bit in 'tmp', and return that <source, dest> pair for migration.
+	 * The pair of nodemasks 'to' and 'from' define the map.
+	 *
+	 * If no pair of bits is found that way, fallback to picking some
+	 * pair of 'source' and 'dest' bits that are not the same.  If the
+	 * 'source' and 'dest' bits are the same, this represents a node
+	 * that will be migrating to itself, so no pages need move.
+	 *
+	 * If no bits are left in 'tmp', or if all remaining bits left
+	 * in 'tmp' correspond to the same bit in 'to', return false
+	 * (nothing left to migrate).
+	 *
+	 * This lets us pick a pair of nodes to migrate between, such that
+	 * if possible the dest node is not already occupied by some other
+	 * source node, minimizing the risk of overloading the memory on a
+	 * node that would happen if we migrated incoming memory to a node
+	 * before migrating outgoing memory source that same node.
+	 *
+	 * A single scan of tmp is sufficient.  As we go, we remember the
+	 * most recent <s, d> pair that moved (s != d).  If we find a pair
+	 * that not only moved, but what's better, moved to an empty slot
+	 * (d is not set in tmp), then we break out then, with that pair.
+	 * Otherwise when we finish scannng from_tmp, we at least have the
+	 * most recent <s, d> pair that moved.  If we get all the way through
+	 * the scan of tmp without finding any node that moved, much less
+	 * moved to an empty node, then there is nothing left worth migrating.
+	 */
 
 	tmp = *from_nodes;
 	while (!nodes_empty(tmp)) {
@@ -1047,7 +1077,7 @@ static long do_mbind(unsigned long start, unsigned long len,
 	if (!IS_ERR(vma)) {
 		int nr_failed = 0;
 
-		err = mbind_range(vma, start, end, new);
+		err = mbind_range(mm, start, end, new);
 
 		if (!list_empty(&pagelist))
 			nr_failed = migrate_pages(&pagelist, new_vma_page,
@@ -1730,10 +1760,12 @@ struct mempolicy *__mpol_dup(struct mempolicy *old)
 
 	if (!new)
 		return ERR_PTR(-ENOMEM);
+	rcu_read_lock();
 	if (current_cpuset_is_being_rebound()) {
 		nodemask_t mems = cpuset_mems_allowed(current);
 		mpol_rebind_policy(old, &mems);
 	}
+	rcu_read_unlock();
 	*new = *old;
 	atomic_set(&new->refcnt, 1);
 	return new;
@@ -2167,8 +2199,8 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
 			char *rest = nodelist;
 			while (isdigit(*rest))
 				rest++;
-			if (!*rest)
-				err = 0;
+			if (*rest)
+				goto out;
 		}
 		break;
 	case MPOL_INTERLEAVE:
@@ -2177,7 +2209,6 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
 		 */
 		if (!nodelist)
 			nodes = node_states[N_HIGH_MEMORY];
-		err = 0;
 		break;
 	case MPOL_LOCAL:
 		/*
@@ -2187,11 +2218,19 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
 			goto out;
 		mode = MPOL_PREFERRED;
 		break;
-
-	/*
-	 * case MPOL_BIND:    mpol_new() enforces non-empty nodemask.
-	 * case MPOL_DEFAULT: mpol_new() enforces empty nodemask, ignores flags.
-	 */
+	case MPOL_DEFAULT:
+		/*
+		 * Insist on a empty nodelist
+		 */
+		if (!nodelist)
+			err = 0;
+		goto out;
+	case MPOL_BIND:
+		/*
+		 * Insist on a nodelist
+		 */
+		if (!nodelist)
+			goto out;
 	}
 
 	mode_flags = 0;
@@ -2205,13 +2244,14 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
 		else if (!strcmp(flags, "relative"))
 			mode_flags |= MPOL_F_RELATIVE_NODES;
 		else
-			err = 1;
+			goto out;
 	}
 
 	new = mpol_new(mode, mode_flags, &nodes);
 	if (IS_ERR(new))
-		err = 1;
-	else {
+		goto out;
+
+	{
 		int ret;
 		NODEMASK_SCRATCH(scratch);
 		if (scratch) {
@@ -2222,13 +2262,15 @@ int mpol_parse_str(char *str, struct mempolicy **mpol, int no_context)
 			ret = -ENOMEM;
 		NODEMASK_SCRATCH_FREE(scratch);
 		if (ret) {
-			err = 1;
 			mpol_put(new);
-		} else if (no_context) {
-			/* save for contextualization */
-			new->w.user_nodemask = nodes;
+			goto out;
 		}
 	}
+	err = 0;
+	if (no_context) {
+		/* save for contextualization */
+		new->w.user_nodemask = nodes;
+	}
 
 out:
 	/* Restore string for error message */
diff --git a/mm/migrate.c b/mm/migrate.c
index edb6101ed774..88000b89fc9a 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -275,8 +275,6 @@ static int migrate_page_move_mapping(struct address_space *mapping,
  */
 static void migrate_page_copy(struct page *newpage, struct page *page)
 {
-	int anon;
-
 	copy_highpage(newpage, page);
 
 	if (PageError(page))
@@ -313,8 +311,6 @@ static void migrate_page_copy(struct page *newpage, struct page *page)
 	ClearPageSwapCache(page);
 	ClearPagePrivate(page);
 	set_page_private(page, 0);
-	/* page->mapping contains a flag for PageAnon() */
-	anon = PageAnon(page);
 	page->mapping = NULL;
 
 	/*
diff --git a/mm/mlock.c b/mm/mlock.c
index 2b8335a89400..8f4e2dfceec1 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -25,7 +25,7 @@ int can_do_mlock(void)
 {
 	if (capable(CAP_IPC_LOCK))
 		return 1;
-	if (current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur != 0)
+	if (rlimit(RLIMIT_MEMLOCK) != 0)
 		return 1;
 	return 0;
 }
@@ -487,7 +487,7 @@ SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len)
 	locked = len >> PAGE_SHIFT;
 	locked += current->mm->locked_vm;
 
-	lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+	lock_limit = rlimit(RLIMIT_MEMLOCK);
 	lock_limit >>= PAGE_SHIFT;
 
 	/* check against resource limits */
@@ -550,7 +550,7 @@ SYSCALL_DEFINE1(mlockall, int, flags)
 
 	down_write(&current->mm->mmap_sem);
 
-	lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+	lock_limit = rlimit(RLIMIT_MEMLOCK);
 	lock_limit >>= PAGE_SHIFT;
 
 	ret = -ENOMEM;
@@ -584,7 +584,7 @@ int user_shm_lock(size_t size, struct user_struct *user)
 	int allowed = 0;
 
 	locked = (size + PAGE_SIZE - 1) >> PAGE_SHIFT;
-	lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+	lock_limit = rlimit(RLIMIT_MEMLOCK);
 	if (lock_limit == RLIM_INFINITY)
 		allowed = 1;
 	lock_limit >>= PAGE_SHIFT;
@@ -618,12 +618,12 @@ int account_locked_memory(struct mm_struct *mm, struct rlimit *rlim,
 
 	down_write(&mm->mmap_sem);
 
-	lim = rlim[RLIMIT_AS].rlim_cur >> PAGE_SHIFT;
+	lim = ACCESS_ONCE(rlim[RLIMIT_AS].rlim_cur) >> PAGE_SHIFT;
 	vm   = mm->total_vm + pgsz;
 	if (lim < vm)
 		goto out;
 
-	lim = rlim[RLIMIT_MEMLOCK].rlim_cur >> PAGE_SHIFT;
+	lim = ACCESS_ONCE(rlim[RLIMIT_MEMLOCK].rlim_cur) >> PAGE_SHIFT;
 	vm   = mm->locked_vm + pgsz;
 	if (lim < vm)
 		goto out;
diff --git a/mm/mmap.c b/mm/mmap.c
index ee2298936fe6..75557c639ad4 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -265,7 +265,7 @@ SYSCALL_DEFINE1(brk, unsigned long, brk)
 	 * segment grow beyond its set limit the in case where the limit is
 	 * not page aligned -Ram Gupta
 	 */
-	rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
+	rlim = rlimit(RLIMIT_DATA);
 	if (rlim < RLIM_INFINITY && (brk - mm->start_brk) +
 			(mm->end_data - mm->start_data) > rlim)
 		goto out;
@@ -437,7 +437,6 @@ __vma_link(struct mm_struct *mm, struct vm_area_struct *vma,
 {
 	__vma_link_list(mm, vma, prev, rb_parent);
 	__vma_link_rb(mm, vma, rb_link, rb_parent);
-	__anon_vma_link(vma);
 }
 
 static void vma_link(struct mm_struct *mm, struct vm_area_struct *vma,
@@ -499,7 +498,7 @@ __vma_unlink(struct mm_struct *mm, struct vm_area_struct *vma,
  * are necessary.  The "insert" vma (if any) is to be inserted
  * before we drop the necessary locks.
  */
-void vma_adjust(struct vm_area_struct *vma, unsigned long start,
+int vma_adjust(struct vm_area_struct *vma, unsigned long start,
 	unsigned long end, pgoff_t pgoff, struct vm_area_struct *insert)
 {
 	struct mm_struct *mm = vma->vm_mm;
@@ -542,6 +541,26 @@ again:			remove_next = 1 + (end > next->vm_end);
 		}
 	}
 
+	/*
+	 * When changing only vma->vm_end, we don't really need anon_vma lock.
+	 */
+	if (vma->anon_vma && (insert || importer || start != vma->vm_start))
+		anon_vma = vma->anon_vma;
+	if (anon_vma) {
+		/*
+		 * Easily overlooked: when mprotect shifts the boundary,
+		 * make sure the expanding vma has anon_vma set if the
+		 * shrinking vma had, to cover any anon pages imported.
+		 */
+		if (importer && !importer->anon_vma) {
+			/* Block reverse map lookups until things are set up. */
+			if (anon_vma_clone(importer, vma)) {
+				return -ENOMEM;
+			}
+			importer->anon_vma = anon_vma;
+		}
+	}
+
 	if (file) {
 		mapping = file->f_mapping;
 		if (!(vma->vm_flags & VM_NONLINEAR))
@@ -567,25 +586,6 @@ again:			remove_next = 1 + (end > next->vm_end);
 		}
 	}
 
-	/*
-	 * When changing only vma->vm_end, we don't really need
-	 * anon_vma lock.
-	 */
-	if (vma->anon_vma && (insert || importer || start != vma->vm_start))
-		anon_vma = vma->anon_vma;
-	if (anon_vma) {
-		spin_lock(&anon_vma->lock);
-		/*
-		 * Easily overlooked: when mprotect shifts the boundary,
-		 * make sure the expanding vma has anon_vma set if the
-		 * shrinking vma had, to cover any anon pages imported.
-		 */
-		if (importer && !importer->anon_vma) {
-			importer->anon_vma = anon_vma;
-			__anon_vma_link(importer);
-		}
-	}
-
 	if (root) {
 		flush_dcache_mmap_lock(mapping);
 		vma_prio_tree_remove(vma, root);
@@ -616,8 +616,6 @@ again:			remove_next = 1 + (end > next->vm_end);
 		__vma_unlink(mm, next, vma);
 		if (file)
 			__remove_shared_vm_struct(next, file, mapping);
-		if (next->anon_vma)
-			__anon_vma_merge(vma, next);
 	} else if (insert) {
 		/*
 		 * split_vma has split insert from vma, and needs
@@ -627,8 +625,6 @@ again:			remove_next = 1 + (end > next->vm_end);
 		__insert_vm_struct(mm, insert);
 	}
 
-	if (anon_vma)
-		spin_unlock(&anon_vma->lock);
 	if (mapping)
 		spin_unlock(&mapping->i_mmap_lock);
 
@@ -638,6 +634,8 @@ again:			remove_next = 1 + (end > next->vm_end);
 			if (next->vm_flags & VM_EXECUTABLE)
 				removed_exe_file_vma(mm);
 		}
+		if (next->anon_vma)
+			anon_vma_merge(vma, next);
 		mm->map_count--;
 		mpol_put(vma_policy(next));
 		kmem_cache_free(vm_area_cachep, next);
@@ -653,6 +651,8 @@ again:			remove_next = 1 + (end > next->vm_end);
 	}
 
 	validate_mm(mm);
+
+	return 0;
 }
 
 /*
@@ -759,6 +759,7 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
 {
 	pgoff_t pglen = (end - addr) >> PAGE_SHIFT;
 	struct vm_area_struct *area, *next;
+	int err;
 
 	/*
 	 * We later require that vma->vm_flags == vm_flags,
@@ -792,11 +793,13 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
 				is_mergeable_anon_vma(prev->anon_vma,
 						      next->anon_vma)) {
 							/* cases 1, 6 */
-			vma_adjust(prev, prev->vm_start,
+			err = vma_adjust(prev, prev->vm_start,
 				next->vm_end, prev->vm_pgoff, NULL);
 		} else					/* cases 2, 5, 7 */
-			vma_adjust(prev, prev->vm_start,
+			err = vma_adjust(prev, prev->vm_start,
 				end, prev->vm_pgoff, NULL);
+		if (err)
+			return NULL;
 		return prev;
 	}
 
@@ -808,11 +811,13 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm,
 			can_vma_merge_before(next, vm_flags,
 					anon_vma, file, pgoff+pglen)) {
 		if (prev && addr < prev->vm_end)	/* case 4 */
-			vma_adjust(prev, prev->vm_start,
+			err = vma_adjust(prev, prev->vm_start,
 				addr, prev->vm_pgoff, NULL);
 		else					/* cases 3, 8 */
-			vma_adjust(area, addr, next->vm_end,
+			err = vma_adjust(area, addr, next->vm_end,
 				next->vm_pgoff - pglen, NULL);
+		if (err)
+			return NULL;
 		return area;
 	}
 
@@ -967,7 +972,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr,
 		unsigned long locked, lock_limit;
 		locked = len >> PAGE_SHIFT;
 		locked += mm->locked_vm;
-		lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+		lock_limit = rlimit(RLIMIT_MEMLOCK);
 		lock_limit >>= PAGE_SHIFT;
 		if (locked > lock_limit && !capable(CAP_IPC_LOCK))
 			return -EAGAIN;
@@ -1083,6 +1088,30 @@ out:
 	return retval;
 }
 
+#ifdef __ARCH_WANT_SYS_OLD_MMAP
+struct mmap_arg_struct {
+	unsigned long addr;
+	unsigned long len;
+	unsigned long prot;
+	unsigned long flags;
+	unsigned long fd;
+	unsigned long offset;
+};
+
+SYSCALL_DEFINE1(old_mmap, struct mmap_arg_struct __user *, arg)
+{
+	struct mmap_arg_struct a;
+
+	if (copy_from_user(&a, arg, sizeof(a)))
+		return -EFAULT;
+	if (a.offset & ~PAGE_MASK)
+		return -EINVAL;
+
+	return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
+			      a.offset >> PAGE_SHIFT);
+}
+#endif /* __ARCH_WANT_SYS_OLD_MMAP */
+
 /*
  * Some shared mappigns will want the pages marked read-only
  * to track write events. If so, we'll downgrade vm_page_prot
@@ -1205,6 +1234,7 @@ munmap_back:
 	vma->vm_flags = vm_flags;
 	vma->vm_page_prot = vm_get_page_prot(vm_flags);
 	vma->vm_pgoff = pgoff;
+	INIT_LIST_HEAD(&vma->anon_vma_chain);
 
 	if (file) {
 		error = -EINVAL;
@@ -1265,13 +1295,8 @@ out:
 	mm->total_vm += len >> PAGE_SHIFT;
 	vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT);
 	if (vm_flags & VM_LOCKED) {
-		/*
-		 * makes pages present; downgrades, drops, reacquires mmap_sem
-		 */
-		long nr_pages = mlock_vma_pages_range(vma, addr, addr + len);
-		if (nr_pages < 0)
-			return nr_pages;	/* vma gone! */
-		mm->locked_vm += (len >> PAGE_SHIFT) - nr_pages;
+		if (!mlock_vma_pages_range(vma, addr, addr + len))
+			mm->locked_vm += (len >> PAGE_SHIFT);
 	} else if ((flags & MAP_POPULATE) && !(flags & MAP_NONBLOCK))
 		make_pages_present(addr, addr + len);
 	return addr;
@@ -1599,7 +1624,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
 		return -ENOMEM;
 
 	/* Stack limit test */
-	if (size > rlim[RLIMIT_STACK].rlim_cur)
+	if (size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur))
 		return -ENOMEM;
 
 	/* mlock limit tests */
@@ -1607,7 +1632,8 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns
 		unsigned long locked;
 		unsigned long limit;
 		locked = mm->locked_vm + grow;
-		limit = rlim[RLIMIT_MEMLOCK].rlim_cur >> PAGE_SHIFT;
+		limit = ACCESS_ONCE(rlim[RLIMIT_MEMLOCK].rlim_cur);
+		limit >>= PAGE_SHIFT;
 		if (locked > limit && !capable(CAP_IPC_LOCK))
 			return -ENOMEM;
 	}
@@ -1754,8 +1780,7 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr)
 	if (!prev || expand_stack(prev, addr))
 		return NULL;
 	if (prev->vm_flags & VM_LOCKED) {
-		if (mlock_vma_pages_range(prev, addr, prev->vm_end) < 0)
-			return NULL;	/* vma gone! */
+		mlock_vma_pages_range(prev, addr, prev->vm_end);
 	}
 	return prev;
 }
@@ -1783,8 +1808,7 @@ find_extend_vma(struct mm_struct * mm, unsigned long addr)
 	if (expand_stack(vma, addr))
 		return NULL;
 	if (vma->vm_flags & VM_LOCKED) {
-		if (mlock_vma_pages_range(vma, addr, start) < 0)
-			return NULL;	/* vma gone! */
+		mlock_vma_pages_range(vma, addr, start);
 	}
 	return vma;
 }
@@ -1871,6 +1895,7 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
 {
 	struct mempolicy *pol;
 	struct vm_area_struct *new;
+	int err = -ENOMEM;
 
 	if (is_vm_hugetlb_page(vma) && (addr &
 					~(huge_page_mask(hstate_vma(vma)))))
@@ -1878,11 +1903,13 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
 
 	new = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
 	if (!new)
-		return -ENOMEM;
+		goto out_err;
 
 	/* most fields are the same, copy all, and then fixup */
 	*new = *vma;
 
+	INIT_LIST_HEAD(&new->anon_vma_chain);
+
 	if (new_below)
 		new->vm_end = addr;
 	else {
@@ -1892,11 +1919,14 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
 
 	pol = mpol_dup(vma_policy(vma));
 	if (IS_ERR(pol)) {
-		kmem_cache_free(vm_area_cachep, new);
-		return PTR_ERR(pol);
+		err = PTR_ERR(pol);
+		goto out_free_vma;
 	}
 	vma_set_policy(new, pol);
 
+	if (anon_vma_clone(new, vma))
+		goto out_free_mpol;
+
 	if (new->vm_file) {
 		get_file(new->vm_file);
 		if (vma->vm_flags & VM_EXECUTABLE)
@@ -1907,12 +1937,28 @@ static int __split_vma(struct mm_struct * mm, struct vm_area_struct * vma,
 		new->vm_ops->open(new);
 
 	if (new_below)
-		vma_adjust(vma, addr, vma->vm_end, vma->vm_pgoff +
+		err = vma_adjust(vma, addr, vma->vm_end, vma->vm_pgoff +
 			((addr - new->vm_start) >> PAGE_SHIFT), new);
 	else
-		vma_adjust(vma, vma->vm_start, addr, vma->vm_pgoff, new);
+		err = vma_adjust(vma, vma->vm_start, addr, vma->vm_pgoff, new);
 
-	return 0;
+	/* Success. */
+	if (!err)
+		return 0;
+
+	/* Clean everything up if vma_adjust failed. */
+	new->vm_ops->close(new);
+	if (new->vm_file) {
+		if (vma->vm_flags & VM_EXECUTABLE)
+			removed_exe_file_vma(mm);
+		fput(new->vm_file);
+	}
+ out_free_mpol:
+	mpol_put(pol);
+ out_free_vma:
+	kmem_cache_free(vm_area_cachep, new);
+ out_err:
+	return err;
 }
 
 /*
@@ -2074,7 +2120,7 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
 		unsigned long locked, lock_limit;
 		locked = len >> PAGE_SHIFT;
 		locked += mm->locked_vm;
-		lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+		lock_limit = rlimit(RLIMIT_MEMLOCK);
 		lock_limit >>= PAGE_SHIFT;
 		if (locked > lock_limit && !capable(CAP_IPC_LOCK))
 			return -EAGAIN;
@@ -2122,6 +2168,7 @@ unsigned long do_brk(unsigned long addr, unsigned long len)
 		return -ENOMEM;
 	}
 
+	INIT_LIST_HEAD(&vma->anon_vma_chain);
 	vma->vm_mm = mm;
 	vma->vm_start = addr;
 	vma->vm_end = addr + len;
@@ -2258,10 +2305,11 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
 		if (new_vma) {
 			*new_vma = *vma;
 			pol = mpol_dup(vma_policy(vma));
-			if (IS_ERR(pol)) {
-				kmem_cache_free(vm_area_cachep, new_vma);
-				return NULL;
-			}
+			if (IS_ERR(pol))
+				goto out_free_vma;
+			INIT_LIST_HEAD(&new_vma->anon_vma_chain);
+			if (anon_vma_clone(new_vma, vma))
+				goto out_free_mempol;
 			vma_set_policy(new_vma, pol);
 			new_vma->vm_start = addr;
 			new_vma->vm_end = addr + len;
@@ -2277,6 +2325,12 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap,
 		}
 	}
 	return new_vma;
+
+ out_free_mempol:
+	mpol_put(pol);
+ out_free_vma:
+	kmem_cache_free(vm_area_cachep, new_vma);
+	return NULL;
 }
 
 /*
@@ -2288,7 +2342,7 @@ int may_expand_vm(struct mm_struct *mm, unsigned long npages)
 	unsigned long cur = mm->total_vm;	/* pages */
 	unsigned long lim;
 
-	lim = current->signal->rlim[RLIMIT_AS].rlim_cur >> PAGE_SHIFT;
+	lim = rlimit(RLIMIT_AS) >> PAGE_SHIFT;
 
 	if (cur + npages > lim)
 		return 0;
@@ -2354,6 +2408,7 @@ int install_special_mapping(struct mm_struct *mm,
 	if (unlikely(vma == NULL))
 		return -ENOMEM;
 
+	INIT_LIST_HEAD(&vma->anon_vma_chain);
 	vma->vm_mm = mm;
 	vma->vm_start = addr;
 	vma->vm_end = addr + len;
@@ -2454,6 +2509,7 @@ static void vm_lock_mapping(struct mm_struct *mm, struct address_space *mapping)
 int mm_take_all_locks(struct mm_struct *mm)
 {
 	struct vm_area_struct *vma;
+	struct anon_vma_chain *avc;
 	int ret = -EINTR;
 
 	BUG_ON(down_read_trylock(&mm->mmap_sem));
@@ -2471,7 +2527,8 @@ int mm_take_all_locks(struct mm_struct *mm)
 		if (signal_pending(current))
 			goto out_unlock;
 		if (vma->anon_vma)
-			vm_lock_anon_vma(mm, vma->anon_vma);
+			list_for_each_entry(avc, &vma->anon_vma_chain, same_vma)
+				vm_lock_anon_vma(mm, avc->anon_vma);
 	}
 
 	ret = 0;
@@ -2526,13 +2583,15 @@ static void vm_unlock_mapping(struct address_space *mapping)
 void mm_drop_all_locks(struct mm_struct *mm)
 {
 	struct vm_area_struct *vma;
+	struct anon_vma_chain *avc;
 
 	BUG_ON(down_read_trylock(&mm->mmap_sem));
 	BUG_ON(!mutex_is_locked(&mm_all_locks_mutex));
 
 	for (vma = mm->mmap; vma; vma = vma->vm_next) {
 		if (vma->anon_vma)
-			vm_unlock_anon_vma(vma->anon_vma);
+			list_for_each_entry(avc, &vma->anon_vma_chain, same_vma)
+				vm_unlock_anon_vma(avc->anon_vma);
 		if (vma->vm_file && vma->vm_file->f_mapping)
 			vm_unlock_mapping(vma->vm_file->f_mapping);
 	}
diff --git a/mm/mmu_context.c b/mm/mmu_context.c
index 0777654147c9..9e82e937000e 100644
--- a/mm/mmu_context.c
+++ b/mm/mmu_context.c
@@ -53,6 +53,7 @@ void unuse_mm(struct mm_struct *mm)
 	struct task_struct *tsk = current;
 
 	task_lock(tsk);
+	sync_mm_rss(tsk, mm);
 	tsk->mm = NULL;
 	/* active_mm is still 'mm' */
 	enter_lazy_tlb(mm, tsk);
diff --git a/mm/mremap.c b/mm/mremap.c
index 845190898d59..e9c75efce609 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -285,7 +285,7 @@ static struct vm_area_struct *vma_to_resize(unsigned long addr,
 	if (vma->vm_flags & VM_LOCKED) {
 		unsigned long locked, lock_limit;
 		locked = mm->locked_vm << PAGE_SHIFT;
-		lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur;
+		lock_limit = rlimit(RLIMIT_MEMLOCK);
 		locked += new_len - old_len;
 		if (locked > lock_limit && !capable(CAP_IPC_LOCK))
 			goto Eagain;
@@ -460,8 +460,11 @@ unsigned long do_mremap(unsigned long addr,
 		if (vma_expandable(vma, new_len - old_len)) {
 			int pages = (new_len - old_len) >> PAGE_SHIFT;
 
-			vma_adjust(vma, vma->vm_start,
-				addr + new_len, vma->vm_pgoff, NULL);
+			if (vma_adjust(vma, vma->vm_start, addr + new_len,
+				       vma->vm_pgoff, NULL)) {
+				ret = -ENOMEM;
+				goto out;
+			}
 
 			mm->total_vm += pages;
 			vm_stat_account(mm, vma->vm_flags, vma->vm_file, pages);
diff --git a/mm/nommu.c b/mm/nommu.c
index 48a2ecfaf059..63fa17d121f0 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -162,7 +162,7 @@ int __get_user_pages(struct task_struct *tsk, struct mm_struct *mm,
 		}
 		if (vmas)
 			vmas[i] = vma;
-		start += PAGE_SIZE;
+		start = (start + PAGE_SIZE) & PAGE_MASK;
 	}
 
 	return i;
@@ -1040,10 +1040,9 @@ static int do_mmap_shared_file(struct vm_area_struct *vma)
 	if (ret != -ENOSYS)
 		return ret;
 
-	/* getting an ENOSYS error indicates that direct mmap isn't
-	 * possible (as opposed to tried but failed) so we'll fall
-	 * through to making a private copy of the data and mapping
-	 * that if we can */
+	/* getting -ENOSYS indicates that direct mmap isn't possible (as
+	 * opposed to tried but failed) so we can only give a suitable error as
+	 * it's not possible to make a private copy if MAP_SHARED was given */
 	return -ENODEV;
 }
 
@@ -1209,7 +1208,7 @@ unsigned long do_mmap_pgoff(struct file *file,
 	region->vm_flags = vm_flags;
 	region->vm_pgoff = pgoff;
 
-	INIT_LIST_HEAD(&vma->anon_vma_node);
+	INIT_LIST_HEAD(&vma->anon_vma_chain);
 	vma->vm_flags = vm_flags;
 	vma->vm_pgoff = pgoff;
 
@@ -1428,6 +1427,30 @@ out:
 	return retval;
 }
 
+#ifdef __ARCH_WANT_SYS_OLD_MMAP
+struct mmap_arg_struct {
+	unsigned long addr;
+	unsigned long len;
+	unsigned long prot;
+	unsigned long flags;
+	unsigned long fd;
+	unsigned long offset;
+};
+
+SYSCALL_DEFINE1(old_mmap, struct mmap_arg_struct __user *, arg)
+{
+	struct mmap_arg_struct a;
+
+	if (copy_from_user(&a, arg, sizeof(a)))
+		return -EFAULT;
+	if (a.offset & ~PAGE_MASK)
+		return -EINVAL;
+
+	return sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd,
+			      a.offset >> PAGE_SHIFT);
+}
+#endif /* __ARCH_WANT_SYS_OLD_MMAP */
+
 /*
  * split a vma into two pieces at address 'addr', a new vma is allocated either
  * for the first part or the tail.
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 237050478f28..9b223af6a147 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -401,8 +401,8 @@ static void __oom_kill_task(struct task_struct *p, int verbose)
 		       "vsz:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
 		       task_pid_nr(p), p->comm,
 		       K(p->mm->total_vm),
-		       K(get_mm_counter(p->mm, anon_rss)),
-		       K(get_mm_counter(p->mm, file_rss)));
+		       K(get_mm_counter(p->mm, MM_ANONPAGES)),
+		       K(get_mm_counter(p->mm, MM_FILEPAGES)));
 	task_unlock(p);
 
 	/*
@@ -473,6 +473,8 @@ void mem_cgroup_out_of_memory(struct mem_cgroup *mem, gfp_t gfp_mask)
 	unsigned long points = 0;
 	struct task_struct *p;
 
+	if (sysctl_panic_on_oom == 2)
+		panic("out of memory(memcg). panic_on_oom is selected.\n");
 	read_lock(&tasklist_lock);
 retry:
 	p = select_bad_process(&points, mem);
@@ -601,13 +603,6 @@ void pagefault_out_of_memory(void)
 		/* Got some memory back in the last second. */
 		return;
 
-	/*
-	 * If this is from memcg, oom-killer is already invoked.
-	 * and not worth to go system-wide-oom.
-	 */
-	if (mem_cgroup_oom_called(current))
-		goto rest_and_return;
-
 	if (sysctl_panic_on_oom)
 		panic("out of memory from page fault. panic_on_oom is selected.\n");
 
@@ -619,7 +614,6 @@ void pagefault_out_of_memory(void)
 	 * Give "p" a good chance of killing itself before we
 	 * retry to allocate memory.
 	 */
-rest_and_return:
 	if (!test_thread_flag(TIF_MEMDIE))
 		schedule_timeout_uninterruptible(1);
 }
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 8deb9d0fd5b1..d03c946d5566 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -50,6 +50,7 @@
 #include <linux/kmemleak.h>
 #include <linux/memory.h>
 #include <trace/events/kmem.h>
+#include <linux/ftrace_event.h>
 
 #include <asm/tlbflush.h>
 #include <asm/div64.h>
@@ -76,6 +77,31 @@ unsigned long totalreserve_pages __read_mostly;
 int percpu_pagelist_fraction;
 gfp_t gfp_allowed_mask __read_mostly = GFP_BOOT_MASK;
 
+#ifdef CONFIG_PM_SLEEP
+/*
+ * The following functions are used by the suspend/hibernate code to temporarily
+ * change gfp_allowed_mask in order to avoid using I/O during memory allocations
+ * while devices are suspended.  To avoid races with the suspend/hibernate code,
+ * they should always be called with pm_mutex held (gfp_allowed_mask also should
+ * only be modified with pm_mutex held, unless the suspend/hibernate code is
+ * guaranteed not to run in parallel with that modification).
+ */
+void set_gfp_allowed_mask(gfp_t mask)
+{
+	WARN_ON(!mutex_is_locked(&pm_mutex));
+	gfp_allowed_mask = mask;
+}
+
+gfp_t clear_gfp_allowed_mask(gfp_t mask)
+{
+	gfp_t ret = gfp_allowed_mask;
+
+	WARN_ON(!mutex_is_locked(&pm_mutex));
+	gfp_allowed_mask &= ~mask;
+	return ret;
+}
+#endif /* CONFIG_PM_SLEEP */
+
 #ifdef CONFIG_HUGETLB_PAGE_SIZE_VARIABLE
 int pageblock_order __read_mostly;
 #endif
@@ -263,10 +289,7 @@ static void bad_page(struct page *page)
 
 	printk(KERN_ALERT "BUG: Bad page state in process %s  pfn:%05lx\n",
 		current->comm, page_to_pfn(page));
-	printk(KERN_ALERT
-		"page:%p flags:%p count:%d mapcount:%d mapping:%p index:%lx\n",
-		page, (void *)page->flags, page_count(page),
-		page_mapcount(page), page->mapping, page->index);
+	dump_page(page);
 
 	dump_stack();
 out:
@@ -530,7 +553,7 @@ static void free_pcppages_bulk(struct zone *zone, int count,
 	int batch_free = 0;
 
 	spin_lock(&zone->lock);
-	zone_clear_flag(zone, ZONE_ALL_UNRECLAIMABLE);
+	zone->all_unreclaimable = 0;
 	zone->pages_scanned = 0;
 
 	__mod_zone_page_state(zone, NR_FREE_PAGES, count);
@@ -568,7 +591,7 @@ static void free_one_page(struct zone *zone, struct page *page, int order,
 				int migratetype)
 {
 	spin_lock(&zone->lock);
-	zone_clear_flag(zone, ZONE_ALL_UNRECLAIMABLE);
+	zone->all_unreclaimable = 0;
 	zone->pages_scanned = 0;
 
 	__mod_zone_page_state(zone, NR_FREE_PAGES, 1 << order);
@@ -583,6 +606,7 @@ static void __free_pages_ok(struct page *page, unsigned int order)
 	int bad = 0;
 	int wasMlocked = __TestClearPageMlocked(page);
 
+	trace_mm_page_free_direct(page, order);
 	kmemcheck_free_shadow(page, order);
 
 	for (i = 0 ; i < (1 << order) ; ++i)
@@ -1009,10 +1033,10 @@ static void drain_pages(unsigned int cpu)
 		struct per_cpu_pageset *pset;
 		struct per_cpu_pages *pcp;
 
-		pset = zone_pcp(zone, cpu);
+		local_irq_save(flags);
+		pset = per_cpu_ptr(zone->pageset, cpu);
 
 		pcp = &pset->pcp;
-		local_irq_save(flags);
 		free_pcppages_bulk(zone, pcp->count, pcp);
 		pcp->count = 0;
 		local_irq_restore(flags);
@@ -1073,8 +1097,9 @@ void mark_free_pages(struct zone *zone)
 
 /*
  * Free a 0-order page
+ * cold == 1 ? free a cold page : free a hot page
  */
-static void free_hot_cold_page(struct page *page, int cold)
+void free_hot_cold_page(struct page *page, int cold)
 {
 	struct zone *zone = page_zone(page);
 	struct per_cpu_pages *pcp;
@@ -1082,6 +1107,7 @@ static void free_hot_cold_page(struct page *page, int cold)
 	int migratetype;
 	int wasMlocked = __TestClearPageMlocked(page);
 
+	trace_mm_page_free_direct(page, 0);
 	kmemcheck_free_shadow(page, 0);
 
 	if (PageAnon(page))
@@ -1096,7 +1122,6 @@ static void free_hot_cold_page(struct page *page, int cold)
 	arch_free_page(page, 0);
 	kernel_map_pages(page, 1, 0);
 
-	pcp = &zone_pcp(zone, get_cpu())->pcp;
 	migratetype = get_pageblock_migratetype(page);
 	set_page_private(page, migratetype);
 	local_irq_save(flags);
@@ -1119,6 +1144,7 @@ static void free_hot_cold_page(struct page *page, int cold)
 		migratetype = MIGRATE_MOVABLE;
 	}
 
+	pcp = &this_cpu_ptr(zone->pageset)->pcp;
 	if (cold)
 		list_add_tail(&page->lru, &pcp->lists[migratetype]);
 	else
@@ -1131,15 +1157,8 @@ static void free_hot_cold_page(struct page *page, int cold)
 
 out:
 	local_irq_restore(flags);
-	put_cpu();
 }
 
-void free_hot_page(struct page *page)
-{
-	trace_mm_page_free_direct(page, 0);
-	free_hot_cold_page(page, 0);
-}
-	
 /*
  * split_page takes a non-compound higher-order page, and splits it into
  * n (1<<order) sub-pages: page[0..n]
@@ -1181,17 +1200,15 @@ struct page *buffered_rmqueue(struct zone *preferred_zone,
 	unsigned long flags;
 	struct page *page;
 	int cold = !!(gfp_flags & __GFP_COLD);
-	int cpu;
 
 again:
-	cpu  = get_cpu();
 	if (likely(order == 0)) {
 		struct per_cpu_pages *pcp;
 		struct list_head *list;
 
-		pcp = &zone_pcp(zone, cpu)->pcp;
-		list = &pcp->lists[migratetype];
 		local_irq_save(flags);
+		pcp = &this_cpu_ptr(zone->pageset)->pcp;
+		list = &pcp->lists[migratetype];
 		if (list_empty(list)) {
 			pcp->count += rmqueue_bulk(zone, 0,
 					pcp->batch, list,
@@ -1232,7 +1249,6 @@ again:
 	__count_zone_vm_events(PGALLOC, zone, 1 << order);
 	zone_statistics(preferred_zone, zone);
 	local_irq_restore(flags);
-	put_cpu();
 
 	VM_BUG_ON(bad_range(zone, page));
 	if (prep_new_page(page, order, gfp_flags))
@@ -1241,7 +1257,6 @@ again:
 
 failed:
 	local_irq_restore(flags);
-	put_cpu();
 	return NULL;
 }
 
@@ -2013,9 +2028,8 @@ void __pagevec_free(struct pagevec *pvec)
 void __free_pages(struct page *page, unsigned int order)
 {
 	if (put_page_testzero(page)) {
-		trace_mm_page_free_direct(page, order);
 		if (order == 0)
-			free_hot_page(page);
+			free_hot_cold_page(page, 0);
 		else
 			__free_pages_ok(page, order);
 	}
@@ -2180,7 +2194,7 @@ void show_free_areas(void)
 		for_each_online_cpu(cpu) {
 			struct per_cpu_pageset *pageset;
 
-			pageset = zone_pcp(zone, cpu);
+			pageset = per_cpu_ptr(zone->pageset, cpu);
 
 			printk("CPU %4d: hi:%5d, btch:%4d usd:%4d\n",
 			       cpu, pageset->pcp.high,
@@ -2271,7 +2285,7 @@ void show_free_areas(void)
 			K(zone_page_state(zone, NR_BOUNCE)),
 			K(zone_page_state(zone, NR_WRITEBACK_TEMP)),
 			zone->pages_scanned,
-			(zone_is_all_unreclaimable(zone) ? "yes" : "no")
+			(zone->all_unreclaimable ? "yes" : "no")
 			);
 		printk("lowmem_reserve[]:");
 		for (i = 0; i < MAX_NR_ZONES; i++)
@@ -2745,10 +2759,29 @@ static void build_zonelist_cache(pg_data_t *pgdat)
 
 #endif	/* CONFIG_NUMA */
 
+/*
+ * Boot pageset table. One per cpu which is going to be used for all
+ * zones and all nodes. The parameters will be set in such a way
+ * that an item put on a list will immediately be handed over to
+ * the buddy list. This is safe since pageset manipulation is done
+ * with interrupts disabled.
+ *
+ * The boot_pagesets must be kept even after bootup is complete for
+ * unused processors and/or zones. They do play a role for bootstrapping
+ * hotplugged processors.
+ *
+ * zoneinfo_show() and maybe other functions do
+ * not check if the processor is online before following the pageset pointer.
+ * Other parts of the kernel may not check if the zone is available.
+ */
+static void setup_pageset(struct per_cpu_pageset *p, unsigned long batch);
+static DEFINE_PER_CPU(struct per_cpu_pageset, boot_pageset);
+
 /* return values int ....just for stop_machine() */
 static int __build_all_zonelists(void *dummy)
 {
 	int nid;
+	int cpu;
 
 #ifdef CONFIG_NUMA
 	memset(node_load, 0, sizeof(node_load));
@@ -2759,6 +2792,23 @@ static int __build_all_zonelists(void *dummy)
 		build_zonelists(pgdat);
 		build_zonelist_cache(pgdat);
 	}
+
+	/*
+	 * Initialize the boot_pagesets that are going to be used
+	 * for bootstrapping processors. The real pagesets for
+	 * each zone will be allocated later when the per cpu
+	 * allocator is available.
+	 *
+	 * boot_pagesets are used also for bootstrapping offline
+	 * cpus if the system is already booted because the pagesets
+	 * are needed to initialize allocators on a specific cpu too.
+	 * F.e. the percpu allocator needs the page allocator which
+	 * needs the percpu allocator in order to allocate its pagesets
+	 * (a chicken-egg dilemma).
+	 */
+	for_each_possible_cpu(cpu)
+		setup_pageset(&per_cpu(boot_pageset, cpu), 0);
+
 	return 0;
 }
 
@@ -3096,121 +3146,33 @@ static void setup_pagelist_highmark(struct per_cpu_pageset *p,
 		pcp->batch = PAGE_SHIFT * 8;
 }
 
-
-#ifdef CONFIG_NUMA
-/*
- * Boot pageset table. One per cpu which is going to be used for all
- * zones and all nodes. The parameters will be set in such a way
- * that an item put on a list will immediately be handed over to
- * the buddy list. This is safe since pageset manipulation is done
- * with interrupts disabled.
- *
- * Some NUMA counter updates may also be caught by the boot pagesets.
- *
- * The boot_pagesets must be kept even after bootup is complete for
- * unused processors and/or zones. They do play a role for bootstrapping
- * hotplugged processors.
- *
- * zoneinfo_show() and maybe other functions do
- * not check if the processor is online before following the pageset pointer.
- * Other parts of the kernel may not check if the zone is available.
- */
-static struct per_cpu_pageset boot_pageset[NR_CPUS];
-
 /*
- * Dynamically allocate memory for the
- * per cpu pageset array in struct zone.
+ * Allocate per cpu pagesets and initialize them.
+ * Before this call only boot pagesets were available.
+ * Boot pagesets will no longer be used by this processorr
+ * after setup_per_cpu_pageset().
  */
-static int __cpuinit process_zones(int cpu)
+void __init setup_per_cpu_pageset(void)
 {
-	struct zone *zone, *dzone;
-	int node = cpu_to_node(cpu);
-
-	node_set_state(node, N_CPU);	/* this node has a cpu */
+	struct zone *zone;
+	int cpu;
 
 	for_each_populated_zone(zone) {
-		zone_pcp(zone, cpu) = kmalloc_node(sizeof(struct per_cpu_pageset),
-					 GFP_KERNEL, node);
-		if (!zone_pcp(zone, cpu))
-			goto bad;
+		zone->pageset = alloc_percpu(struct per_cpu_pageset);
 
-		setup_pageset(zone_pcp(zone, cpu), zone_batchsize(zone));
+		for_each_possible_cpu(cpu) {
+			struct per_cpu_pageset *pcp = per_cpu_ptr(zone->pageset, cpu);
 
-		if (percpu_pagelist_fraction)
-			setup_pagelist_highmark(zone_pcp(zone, cpu),
-			    (zone->present_pages / percpu_pagelist_fraction));
-	}
+			setup_pageset(pcp, zone_batchsize(zone));
 
-	return 0;
-bad:
-	for_each_zone(dzone) {
-		if (!populated_zone(dzone))
-			continue;
-		if (dzone == zone)
-			break;
-		kfree(zone_pcp(dzone, cpu));
-		zone_pcp(dzone, cpu) = &boot_pageset[cpu];
-	}
-	return -ENOMEM;
-}
-
-static inline void free_zone_pagesets(int cpu)
-{
-	struct zone *zone;
-
-	for_each_zone(zone) {
-		struct per_cpu_pageset *pset = zone_pcp(zone, cpu);
-
-		/* Free per_cpu_pageset if it is slab allocated */
-		if (pset != &boot_pageset[cpu])
-			kfree(pset);
-		zone_pcp(zone, cpu) = &boot_pageset[cpu];
-	}
-}
-
-static int __cpuinit pageset_cpuup_callback(struct notifier_block *nfb,
-		unsigned long action,
-		void *hcpu)
-{
-	int cpu = (long)hcpu;
-	int ret = NOTIFY_OK;
-
-	switch (action) {
-	case CPU_UP_PREPARE:
-	case CPU_UP_PREPARE_FROZEN:
-		if (process_zones(cpu))
-			ret = NOTIFY_BAD;
-		break;
-	case CPU_UP_CANCELED:
-	case CPU_UP_CANCELED_FROZEN:
-	case CPU_DEAD:
-	case CPU_DEAD_FROZEN:
-		free_zone_pagesets(cpu);
-		break;
-	default:
-		break;
+			if (percpu_pagelist_fraction)
+				setup_pagelist_highmark(pcp,
+					(zone->present_pages /
+						percpu_pagelist_fraction));
+		}
 	}
-	return ret;
 }
 
-static struct notifier_block __cpuinitdata pageset_notifier =
-	{ &pageset_cpuup_callback, NULL, 0 };
-
-void __init setup_per_cpu_pageset(void)
-{
-	int err;
-
-	/* Initialize per_cpu_pageset for cpu 0.
-	 * A cpuup callback will do this for every cpu
-	 * as it comes online
-	 */
-	err = process_zones(smp_processor_id());
-	BUG_ON(err);
-	register_cpu_notifier(&pageset_notifier);
-}
-
-#endif
-
 static noinline __init_refok
 int zone_wait_table_init(struct zone *zone, unsigned long zone_size_pages)
 {
@@ -3260,11 +3222,11 @@ static int __zone_pcp_update(void *data)
 	int cpu;
 	unsigned long batch = zone_batchsize(zone), flags;
 
-	for (cpu = 0; cpu < NR_CPUS; cpu++) {
+	for_each_possible_cpu(cpu) {
 		struct per_cpu_pageset *pset;
 		struct per_cpu_pages *pcp;
 
-		pset = zone_pcp(zone, cpu);
+		pset = per_cpu_ptr(zone->pageset, cpu);
 		pcp = &pset->pcp;
 
 		local_irq_save(flags);
@@ -3282,21 +3244,17 @@ void zone_pcp_update(struct zone *zone)
 
 static __meminit void zone_pcp_init(struct zone *zone)
 {
-	int cpu;
-	unsigned long batch = zone_batchsize(zone);
+	/*
+	 * per cpu subsystem is not up at this point. The following code
+	 * relies on the ability of the linker to provide the
+	 * offset of a (static) per cpu variable into the per cpu area.
+	 */
+	zone->pageset = &boot_pageset;
 
-	for (cpu = 0; cpu < NR_CPUS; cpu++) {
-#ifdef CONFIG_NUMA
-		/* Early boot. Slab allocator not functional yet */
-		zone_pcp(zone, cpu) = &boot_pageset[cpu];
-		setup_pageset(&boot_pageset[cpu],0);
-#else
-		setup_pageset(zone_pcp(zone,cpu), batch);
-#endif
-	}
 	if (zone->present_pages)
-		printk(KERN_DEBUG "  %s zone: %lu pages, LIFO batch:%lu\n",
-			zone->name, zone->present_pages, batch);
+		printk(KERN_DEBUG "  %s zone: %lu pages, LIFO batch:%u\n",
+			zone->name, zone->present_pages,
+					 zone_batchsize(zone));
 }
 
 __meminit int init_currently_empty_zone(struct zone *zone,
@@ -3435,6 +3393,61 @@ void __init free_bootmem_with_active_regions(int nid,
 	}
 }
 
+int __init add_from_early_node_map(struct range *range, int az,
+				   int nr_range, int nid)
+{
+	int i;
+	u64 start, end;
+
+	/* need to go over early_node_map to find out good range for node */
+	for_each_active_range_index_in_nid(i, nid) {
+		start = early_node_map[i].start_pfn;
+		end = early_node_map[i].end_pfn;
+		nr_range = add_range(range, az, nr_range, start, end);
+	}
+	return nr_range;
+}
+
+#ifdef CONFIG_NO_BOOTMEM
+void * __init __alloc_memory_core_early(int nid, u64 size, u64 align,
+					u64 goal, u64 limit)
+{
+	int i;
+	void *ptr;
+
+	/* need to go over early_node_map to find out good range for node */
+	for_each_active_range_index_in_nid(i, nid) {
+		u64 addr;
+		u64 ei_start, ei_last;
+
+		ei_last = early_node_map[i].end_pfn;
+		ei_last <<= PAGE_SHIFT;
+		ei_start = early_node_map[i].start_pfn;
+		ei_start <<= PAGE_SHIFT;
+		addr = find_early_area(ei_start, ei_last,
+					 goal, limit, size, align);
+
+		if (addr == -1ULL)
+			continue;
+
+#if 0
+		printk(KERN_DEBUG "alloc (nid=%d %llx - %llx) (%llx - %llx) %llx %llx => %llx\n",
+				nid,
+				ei_start, ei_last, goal, limit, size,
+				align, addr);
+#endif
+
+		ptr = phys_to_virt(addr);
+		memset(ptr, 0, size);
+		reserve_early_without_check(addr, addr + size, "BOOTMEM");
+		return ptr;
+	}
+
+	return NULL;
+}
+#endif
+
+
 void __init work_with_active_regions(int nid, work_fn_t work_fn, void *data)
 {
 	int i;
@@ -4377,8 +4390,12 @@ void __init free_area_init_nodes(unsigned long *max_zone_pfn)
 	for (i = 0; i < MAX_NR_ZONES; i++) {
 		if (i == ZONE_MOVABLE)
 			continue;
-		printk("  %-8s %0#10lx -> %0#10lx\n",
-				zone_names[i],
+		printk("  %-8s ", zone_names[i]);
+		if (arch_zone_lowest_possible_pfn[i] ==
+				arch_zone_highest_possible_pfn[i])
+			printk("empty\n");
+		else
+			printk("%0#10lx -> %0#10lx\n",
 				arch_zone_lowest_possible_pfn[i],
 				arch_zone_highest_possible_pfn[i]);
 	}
@@ -4467,7 +4484,11 @@ void __init set_dma_reserve(unsigned long new_dma_reserve)
 }
 
 #ifndef CONFIG_NEED_MULTIPLE_NODES
-struct pglist_data __refdata contig_page_data = { .bdata = &bootmem_node_data[0] };
+struct pglist_data __refdata contig_page_data = {
+#ifndef CONFIG_NO_BOOTMEM
+ .bdata = &bootmem_node_data[0]
+#endif
+ };
 EXPORT_SYMBOL(contig_page_data);
 #endif
 
@@ -4810,10 +4831,11 @@ int percpu_pagelist_fraction_sysctl_handler(ctl_table *table, int write,
 	if (!write || (ret == -EINVAL))
 		return ret;
 	for_each_populated_zone(zone) {
-		for_each_online_cpu(cpu) {
+		for_each_possible_cpu(cpu) {
 			unsigned long  high;
 			high = zone->present_pages / percpu_pagelist_fraction;
-			setup_pagelist_highmark(zone_pcp(zone, cpu), high);
+			setup_pagelist_highmark(
+				per_cpu_ptr(zone->pageset, cpu), high);
 		}
 	}
 	return 0;
@@ -5159,3 +5181,80 @@ bool is_free_buddy_page(struct page *page)
 	return order < MAX_ORDER;
 }
 #endif
+
+static struct trace_print_flags pageflag_names[] = {
+	{1UL << PG_locked,		"locked"	},
+	{1UL << PG_error,		"error"		},
+	{1UL << PG_referenced,		"referenced"	},
+	{1UL << PG_uptodate,		"uptodate"	},
+	{1UL << PG_dirty,		"dirty"		},
+	{1UL << PG_lru,			"lru"		},
+	{1UL << PG_active,		"active"	},
+	{1UL << PG_slab,		"slab"		},
+	{1UL << PG_owner_priv_1,	"owner_priv_1"	},
+	{1UL << PG_arch_1,		"arch_1"	},
+	{1UL << PG_reserved,		"reserved"	},
+	{1UL << PG_private,		"private"	},
+	{1UL << PG_private_2,		"private_2"	},
+	{1UL << PG_writeback,		"writeback"	},
+#ifdef CONFIG_PAGEFLAGS_EXTENDED
+	{1UL << PG_head,		"head"		},
+	{1UL << PG_tail,		"tail"		},
+#else
+	{1UL << PG_compound,		"compound"	},
+#endif
+	{1UL << PG_swapcache,		"swapcache"	},
+	{1UL << PG_mappedtodisk,	"mappedtodisk"	},
+	{1UL << PG_reclaim,		"reclaim"	},
+	{1UL << PG_buddy,		"buddy"		},
+	{1UL << PG_swapbacked,		"swapbacked"	},
+	{1UL << PG_unevictable,		"unevictable"	},
+#ifdef CONFIG_MMU
+	{1UL << PG_mlocked,		"mlocked"	},
+#endif
+#ifdef CONFIG_ARCH_USES_PG_UNCACHED
+	{1UL << PG_uncached,		"uncached"	},
+#endif
+#ifdef CONFIG_MEMORY_FAILURE
+	{1UL << PG_hwpoison,		"hwpoison"	},
+#endif
+	{-1UL,				NULL		},
+};
+
+static void dump_page_flags(unsigned long flags)
+{
+	const char *delim = "";
+	unsigned long mask;
+	int i;
+
+	printk(KERN_ALERT "page flags: %#lx(", flags);
+
+	/* remove zone id */
+	flags &= (1UL << NR_PAGEFLAGS) - 1;
+
+	for (i = 0; pageflag_names[i].name && flags; i++) {
+
+		mask = pageflag_names[i].mask;
+		if ((flags & mask) != mask)
+			continue;
+
+		flags &= ~mask;
+		printk("%s%s", delim, pageflag_names[i].name);
+		delim = "|";
+	}
+
+	/* check for left over flags */
+	if (flags)
+		printk("%s%#lx", delim, flags);
+
+	printk(")\n");
+}
+
+void dump_page(struct page *page)
+{
+	printk(KERN_ALERT
+	       "page:%p count:%d mapcount:%d mapping:%p index:%#lx\n",
+		page, page_count(page), page_mapcount(page),
+		page->mapping, page->index);
+	dump_page_flags(page->flags);
+}
diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c
index 3d535d594826..6c0081441a32 100644
--- a/mm/page_cgroup.c
+++ b/mm/page_cgroup.c
@@ -284,6 +284,7 @@ static DEFINE_MUTEX(swap_cgroup_mutex);
 struct swap_cgroup_ctrl {
 	struct page **map;
 	unsigned long length;
+	spinlock_t	lock;
 };
 
 struct swap_cgroup_ctrl swap_cgroup_ctrl[MAX_SWAPFILES];
@@ -335,6 +336,43 @@ not_enough_page:
 }
 
 /**
+ * swap_cgroup_cmpxchg - cmpxchg mem_cgroup's id for this swp_entry.
+ * @end: swap entry to be cmpxchged
+ * @old: old id
+ * @new: new id
+ *
+ * Returns old id at success, 0 at failure.
+ * (There is no mem_cgroup useing 0 as its id)
+ */
+unsigned short swap_cgroup_cmpxchg(swp_entry_t ent,
+					unsigned short old, unsigned short new)
+{
+	int type = swp_type(ent);
+	unsigned long offset = swp_offset(ent);
+	unsigned long idx = offset / SC_PER_PAGE;
+	unsigned long pos = offset & SC_POS_MASK;
+	struct swap_cgroup_ctrl *ctrl;
+	struct page *mappage;
+	struct swap_cgroup *sc;
+	unsigned long flags;
+	unsigned short retval;
+
+	ctrl = &swap_cgroup_ctrl[type];
+
+	mappage = ctrl->map[idx];
+	sc = page_address(mappage);
+	sc += pos;
+	spin_lock_irqsave(&ctrl->lock, flags);
+	retval = sc->id;
+	if (retval == old)
+		sc->id = new;
+	else
+		retval = 0;
+	spin_unlock_irqrestore(&ctrl->lock, flags);
+	return retval;
+}
+
+/**
  * swap_cgroup_record - record mem_cgroup for this swp_entry.
  * @ent: swap entry to be recorded into
  * @mem: mem_cgroup to be recorded
@@ -352,14 +390,17 @@ unsigned short swap_cgroup_record(swp_entry_t ent, unsigned short id)
 	struct page *mappage;
 	struct swap_cgroup *sc;
 	unsigned short old;
+	unsigned long flags;
 
 	ctrl = &swap_cgroup_ctrl[type];
 
 	mappage = ctrl->map[idx];
 	sc = page_address(mappage);
 	sc += pos;
+	spin_lock_irqsave(&ctrl->lock, flags);
 	old = sc->id;
 	sc->id = id;
+	spin_unlock_irqrestore(&ctrl->lock, flags);
 
 	return old;
 }
@@ -411,6 +452,7 @@ int swap_cgroup_swapon(int type, unsigned long max_pages)
 	mutex_lock(&swap_cgroup_mutex);
 	ctrl->length = length;
 	ctrl->map = array;
+	spin_lock_init(&ctrl->lock);
 	if (swap_cgroup_prepare(type)) {
 		/* memory shortage */
 		ctrl->map = NULL;
diff --git a/mm/percpu.c b/mm/percpu.c
index 083e7c91e5f6..768419d44ad7 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -80,13 +80,15 @@
 /* default addr <-> pcpu_ptr mapping, override in asm/percpu.h if necessary */
 #ifndef __addr_to_pcpu_ptr
 #define __addr_to_pcpu_ptr(addr)					\
-	(void *)((unsigned long)(addr) - (unsigned long)pcpu_base_addr	\
-		 + (unsigned long)__per_cpu_start)
+	(void __percpu *)((unsigned long)(addr) -			\
+			  (unsigned long)pcpu_base_addr	+		\
+			  (unsigned long)__per_cpu_start)
 #endif
 #ifndef __pcpu_ptr_to_addr
 #define __pcpu_ptr_to_addr(ptr)						\
-	(void *)((unsigned long)(ptr) + (unsigned long)pcpu_base_addr	\
-		 - (unsigned long)__per_cpu_start)
+	(void __force *)((unsigned long)(ptr) +				\
+			 (unsigned long)pcpu_base_addr -		\
+			 (unsigned long)__per_cpu_start)
 #endif
 
 struct pcpu_chunk {
@@ -913,11 +915,10 @@ static void pcpu_depopulate_chunk(struct pcpu_chunk *chunk, int off, int size)
 	int rs, re;
 
 	/* quick path, check whether it's empty already */
-	pcpu_for_each_unpop_region(chunk, rs, re, page_start, page_end) {
-		if (rs == page_start && re == page_end)
-			return;
-		break;
-	}
+	rs = page_start;
+	pcpu_next_unpop(chunk, &rs, &re, page_end);
+	if (rs == page_start && re == page_end)
+		return;
 
 	/* immutable chunks can't be depopulated */
 	WARN_ON(chunk->immutable);
@@ -968,11 +969,10 @@ static int pcpu_populate_chunk(struct pcpu_chunk *chunk, int off, int size)
 	int rs, re, rc;
 
 	/* quick path, check whether all pages are already there */
-	pcpu_for_each_pop_region(chunk, rs, re, page_start, page_end) {
-		if (rs == page_start && re == page_end)
-			goto clear;
-		break;
-	}
+	rs = page_start;
+	pcpu_next_pop(chunk, &rs, &re, page_end);
+	if (rs == page_start && re == page_end)
+		goto clear;
 
 	/* need to allocate and map pages, this chunk can't be immutable */
 	WARN_ON(chunk->immutable);
@@ -1067,7 +1067,7 @@ static struct pcpu_chunk *alloc_pcpu_chunk(void)
  * RETURNS:
  * Percpu pointer to the allocated area on success, NULL on failure.
  */
-static void *pcpu_alloc(size_t size, size_t align, bool reserved)
+static void __percpu *pcpu_alloc(size_t size, size_t align, bool reserved)
 {
 	static int warn_limit = 10;
 	struct pcpu_chunk *chunk;
@@ -1196,7 +1196,7 @@ fail_unlock_mutex:
  * RETURNS:
  * Percpu pointer to the allocated area on success, NULL on failure.
  */
-void *__alloc_percpu(size_t size, size_t align)
+void __percpu *__alloc_percpu(size_t size, size_t align)
 {
 	return pcpu_alloc(size, align, false);
 }
@@ -1217,7 +1217,7 @@ EXPORT_SYMBOL_GPL(__alloc_percpu);
  * RETURNS:
  * Percpu pointer to the allocated area on success, NULL on failure.
  */
-void *__alloc_reserved_percpu(size_t size, size_t align)
+void __percpu *__alloc_reserved_percpu(size_t size, size_t align)
 {
 	return pcpu_alloc(size, align, true);
 }
@@ -1269,7 +1269,7 @@ static void pcpu_reclaim(struct work_struct *work)
  * CONTEXT:
  * Can be called from atomic context.
  */
-void free_percpu(void *ptr)
+void free_percpu(void __percpu *ptr)
 {
 	void *addr;
 	struct pcpu_chunk *chunk;
diff --git a/mm/readahead.c b/mm/readahead.c
index 033bc135a41f..337b20e946f6 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -501,6 +501,12 @@ void page_cache_sync_readahead(struct address_space *mapping,
 	if (!ra->ra_pages)
 		return;
 
+	/* be dumb */
+	if (filp->f_mode & FMODE_RANDOM) {
+		force_page_cache_readahead(mapping, filp, offset, req_size);
+		return;
+	}
+
 	/* do read-ahead */
 	ondemand_readahead(mapping, ra, filp, false, offset, req_size);
 }
diff --git a/mm/rmap.c b/mm/rmap.c
index 278cd277bdec..fcd593c9c997 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -62,6 +62,7 @@
 #include "internal.h"
 
 static struct kmem_cache *anon_vma_cachep;
+static struct kmem_cache *anon_vma_chain_cachep;
 
 static inline struct anon_vma *anon_vma_alloc(void)
 {
@@ -73,6 +74,16 @@ void anon_vma_free(struct anon_vma *anon_vma)
 	kmem_cache_free(anon_vma_cachep, anon_vma);
 }
 
+static inline struct anon_vma_chain *anon_vma_chain_alloc(void)
+{
+	return kmem_cache_alloc(anon_vma_chain_cachep, GFP_KERNEL);
+}
+
+void anon_vma_chain_free(struct anon_vma_chain *anon_vma_chain)
+{
+	kmem_cache_free(anon_vma_chain_cachep, anon_vma_chain);
+}
+
 /**
  * anon_vma_prepare - attach an anon_vma to a memory region
  * @vma: the memory region in question
@@ -103,18 +114,23 @@ void anon_vma_free(struct anon_vma *anon_vma)
 int anon_vma_prepare(struct vm_area_struct *vma)
 {
 	struct anon_vma *anon_vma = vma->anon_vma;
+	struct anon_vma_chain *avc;
 
 	might_sleep();
 	if (unlikely(!anon_vma)) {
 		struct mm_struct *mm = vma->vm_mm;
 		struct anon_vma *allocated;
 
+		avc = anon_vma_chain_alloc();
+		if (!avc)
+			goto out_enomem;
+
 		anon_vma = find_mergeable_anon_vma(vma);
 		allocated = NULL;
 		if (!anon_vma) {
 			anon_vma = anon_vma_alloc();
 			if (unlikely(!anon_vma))
-				return -ENOMEM;
+				goto out_enomem_free_avc;
 			allocated = anon_vma;
 		}
 		spin_lock(&anon_vma->lock);
@@ -123,53 +139,113 @@ int anon_vma_prepare(struct vm_area_struct *vma)
 		spin_lock(&mm->page_table_lock);
 		if (likely(!vma->anon_vma)) {
 			vma->anon_vma = anon_vma;
-			list_add_tail(&vma->anon_vma_node, &anon_vma->head);
+			avc->anon_vma = anon_vma;
+			avc->vma = vma;
+			list_add(&avc->same_vma, &vma->anon_vma_chain);
+			list_add(&avc->same_anon_vma, &anon_vma->head);
 			allocated = NULL;
 		}
 		spin_unlock(&mm->page_table_lock);
 
 		spin_unlock(&anon_vma->lock);
-		if (unlikely(allocated))
+		if (unlikely(allocated)) {
 			anon_vma_free(allocated);
+			anon_vma_chain_free(avc);
+		}
 	}
 	return 0;
+
+ out_enomem_free_avc:
+	anon_vma_chain_free(avc);
+ out_enomem:
+	return -ENOMEM;
 }
 
-void __anon_vma_merge(struct vm_area_struct *vma, struct vm_area_struct *next)
+static void anon_vma_chain_link(struct vm_area_struct *vma,
+				struct anon_vma_chain *avc,
+				struct anon_vma *anon_vma)
 {
-	BUG_ON(vma->anon_vma != next->anon_vma);
-	list_del(&next->anon_vma_node);
+	avc->vma = vma;
+	avc->anon_vma = anon_vma;
+	list_add(&avc->same_vma, &vma->anon_vma_chain);
+
+	spin_lock(&anon_vma->lock);
+	list_add_tail(&avc->same_anon_vma, &anon_vma->head);
+	spin_unlock(&anon_vma->lock);
 }
 
-void __anon_vma_link(struct vm_area_struct *vma)
+/*
+ * Attach the anon_vmas from src to dst.
+ * Returns 0 on success, -ENOMEM on failure.
+ */
+int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src)
 {
-	struct anon_vma *anon_vma = vma->anon_vma;
+	struct anon_vma_chain *avc, *pavc;
 
-	if (anon_vma)
-		list_add_tail(&vma->anon_vma_node, &anon_vma->head);
+	list_for_each_entry(pavc, &src->anon_vma_chain, same_vma) {
+		avc = anon_vma_chain_alloc();
+		if (!avc)
+			goto enomem_failure;
+		anon_vma_chain_link(dst, avc, pavc->anon_vma);
+	}
+	return 0;
+
+ enomem_failure:
+	unlink_anon_vmas(dst);
+	return -ENOMEM;
 }
 
-void anon_vma_link(struct vm_area_struct *vma)
+/*
+ * Attach vma to its own anon_vma, as well as to the anon_vmas that
+ * the corresponding VMA in the parent process is attached to.
+ * Returns 0 on success, non-zero on failure.
+ */
+int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma)
 {
-	struct anon_vma *anon_vma = vma->anon_vma;
+	struct anon_vma_chain *avc;
+	struct anon_vma *anon_vma;
 
-	if (anon_vma) {
-		spin_lock(&anon_vma->lock);
-		list_add_tail(&vma->anon_vma_node, &anon_vma->head);
-		spin_unlock(&anon_vma->lock);
-	}
+	/* Don't bother if the parent process has no anon_vma here. */
+	if (!pvma->anon_vma)
+		return 0;
+
+	/*
+	 * First, attach the new VMA to the parent VMA's anon_vmas,
+	 * so rmap can find non-COWed pages in child processes.
+	 */
+	if (anon_vma_clone(vma, pvma))
+		return -ENOMEM;
+
+	/* Then add our own anon_vma. */
+	anon_vma = anon_vma_alloc();
+	if (!anon_vma)
+		goto out_error;
+	avc = anon_vma_chain_alloc();
+	if (!avc)
+		goto out_error_free_anon_vma;
+	anon_vma_chain_link(vma, avc, anon_vma);
+	/* Mark this anon_vma as the one where our new (COWed) pages go. */
+	vma->anon_vma = anon_vma;
+
+	return 0;
+
+ out_error_free_anon_vma:
+	anon_vma_free(anon_vma);
+ out_error:
+	return -ENOMEM;
 }
 
-void anon_vma_unlink(struct vm_area_struct *vma)
+static void anon_vma_unlink(struct anon_vma_chain *anon_vma_chain)
 {
-	struct anon_vma *anon_vma = vma->anon_vma;
+	struct anon_vma *anon_vma = anon_vma_chain->anon_vma;
 	int empty;
 
+	/* If anon_vma_fork fails, we can get an empty anon_vma_chain. */
 	if (!anon_vma)
 		return;
 
 	spin_lock(&anon_vma->lock);
-	list_del(&vma->anon_vma_node);
+	list_del(&anon_vma_chain->same_anon_vma);
 
 	/* We must garbage collect the anon_vma if it's empty */
 	empty = list_empty(&anon_vma->head) && !ksm_refcount(anon_vma);
@@ -179,6 +255,18 @@ void anon_vma_unlink(struct vm_area_struct *vma)
 		anon_vma_free(anon_vma);
 }
 
+void unlink_anon_vmas(struct vm_area_struct *vma)
+{
+	struct anon_vma_chain *avc, *next;
+
+	/* Unlink each anon_vma chained to the VMA. */
+	list_for_each_entry_safe(avc, next, &vma->anon_vma_chain, same_vma) {
+		anon_vma_unlink(avc);
+		list_del(&avc->same_vma);
+		anon_vma_chain_free(avc);
+	}
+}
+
 static void anon_vma_ctor(void *data)
 {
 	struct anon_vma *anon_vma = data;
@@ -192,6 +280,7 @@ void __init anon_vma_init(void)
 {
 	anon_vma_cachep = kmem_cache_create("anon_vma", sizeof(struct anon_vma),
 			0, SLAB_DESTROY_BY_RCU|SLAB_PANIC, anon_vma_ctor);
+	anon_vma_chain_cachep = KMEM_CACHE(anon_vma_chain, SLAB_PANIC);
 }
 
 /*
@@ -396,7 +485,7 @@ static int page_referenced_anon(struct page *page,
 {
 	unsigned int mapcount;
 	struct anon_vma *anon_vma;
-	struct vm_area_struct *vma;
+	struct anon_vma_chain *avc;
 	int referenced = 0;
 
 	anon_vma = page_lock_anon_vma(page);
@@ -404,7 +493,8 @@ static int page_referenced_anon(struct page *page,
 		return referenced;
 
 	mapcount = page_mapcount(page);
-	list_for_each_entry(vma, &anon_vma->head, anon_vma_node) {
+	list_for_each_entry(avc, &anon_vma->head, same_anon_vma) {
+		struct vm_area_struct *vma = avc->vma;
 		unsigned long address = vma_address(page, vma);
 		if (address == -EFAULT)
 			continue;
@@ -511,9 +601,6 @@ int page_referenced(struct page *page,
 	int referenced = 0;
 	int we_locked = 0;
 
-	if (TestClearPageReferenced(page))
-		referenced++;
-
 	*vm_flags = 0;
 	if (page_mapped(page) && page_rmapping(page)) {
 		if (!is_locked && (!PageAnon(page) || PageKsm(page))) {
@@ -614,6 +701,30 @@ int page_mkclean(struct page *page)
 EXPORT_SYMBOL_GPL(page_mkclean);
 
 /**
+ * page_move_anon_rmap - move a page to our anon_vma
+ * @page:	the page to move to our anon_vma
+ * @vma:	the vma the page belongs to
+ * @address:	the user virtual address mapped
+ *
+ * When a page belongs exclusively to one process after a COW event,
+ * that page can be moved into the anon_vma that belongs to just that
+ * process, so the rmap code will not search the parent or sibling
+ * processes.
+ */
+void page_move_anon_rmap(struct page *page,
+	struct vm_area_struct *vma, unsigned long address)
+{
+	struct anon_vma *anon_vma = vma->anon_vma;
+
+	VM_BUG_ON(!PageLocked(page));
+	VM_BUG_ON(!anon_vma);
+	VM_BUG_ON(page->index != linear_page_index(vma, address));
+
+	anon_vma = (void *) anon_vma + PAGE_MAPPING_ANON;
+	page->mapping = (struct address_space *) anon_vma;
+}
+
+/**
  * __page_set_anon_rmap - setup new anonymous rmap
  * @page:	the page to add the mapping to
  * @vma:	the vm area in which the mapping is added
@@ -652,9 +763,6 @@ static void __page_check_anon_rmap(struct page *page,
 	 * are initially only visible via the pagetables, and the pte is locked
 	 * over the call to page_add_new_anon_rmap.
 	 */
-	struct anon_vma *anon_vma = vma->anon_vma;
-	anon_vma = (void *) anon_vma + PAGE_MAPPING_ANON;
-	BUG_ON(page->mapping != (struct address_space *)anon_vma);
 	BUG_ON(page->index != linear_page_index(vma, address));
 #endif
 }
@@ -815,9 +923,9 @@ int try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
 
 	if (PageHWPoison(page) && !(flags & TTU_IGNORE_HWPOISON)) {
 		if (PageAnon(page))
-			dec_mm_counter(mm, anon_rss);
+			dec_mm_counter(mm, MM_ANONPAGES);
 		else
-			dec_mm_counter(mm, file_rss);
+			dec_mm_counter(mm, MM_FILEPAGES);
 		set_pte_at(mm, address, pte,
 				swp_entry_to_pte(make_hwpoison_entry(page)));
 	} else if (PageAnon(page)) {
@@ -839,7 +947,8 @@ int try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
 					list_add(&mm->mmlist, &init_mm.mmlist);
 				spin_unlock(&mmlist_lock);
 			}
-			dec_mm_counter(mm, anon_rss);
+			dec_mm_counter(mm, MM_ANONPAGES);
+			inc_mm_counter(mm, MM_SWAPENTS);
 		} else if (PAGE_MIGRATION) {
 			/*
 			 * Store the pfn of the page in a special migration
@@ -857,7 +966,7 @@ int try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
 		entry = make_migration_entry(page, pte_write(pteval));
 		set_pte_at(mm, address, pte, swp_entry_to_pte(entry));
 	} else
-		dec_mm_counter(mm, file_rss);
+		dec_mm_counter(mm, MM_FILEPAGES);
 
 	page_remove_rmap(page);
 	page_cache_release(page);
@@ -996,7 +1105,7 @@ static int try_to_unmap_cluster(unsigned long cursor, unsigned int *mapcount,
 
 		page_remove_rmap(page);
 		page_cache_release(page);
-		dec_mm_counter(mm, file_rss);
+		dec_mm_counter(mm, MM_FILEPAGES);
 		(*mapcount)--;
 	}
 	pte_unmap_unlock(pte - 1, ptl);
@@ -1024,14 +1133,15 @@ static int try_to_unmap_cluster(unsigned long cursor, unsigned int *mapcount,
 static int try_to_unmap_anon(struct page *page, enum ttu_flags flags)
 {
 	struct anon_vma *anon_vma;
-	struct vm_area_struct *vma;
+	struct anon_vma_chain *avc;
 	int ret = SWAP_AGAIN;
 
 	anon_vma = page_lock_anon_vma(page);
 	if (!anon_vma)
 		return ret;
 
-	list_for_each_entry(vma, &anon_vma->head, anon_vma_node) {
+	list_for_each_entry(avc, &anon_vma->head, same_anon_vma) {
+		struct vm_area_struct *vma = avc->vma;
 		unsigned long address = vma_address(page, vma);
 		if (address == -EFAULT)
 			continue;
@@ -1222,7 +1332,7 @@ static int rmap_walk_anon(struct page *page, int (*rmap_one)(struct page *,
 		struct vm_area_struct *, unsigned long, void *), void *arg)
 {
 	struct anon_vma *anon_vma;
-	struct vm_area_struct *vma;
+	struct anon_vma_chain *avc;
 	int ret = SWAP_AGAIN;
 
 	/*
@@ -1237,7 +1347,8 @@ static int rmap_walk_anon(struct page *page, int (*rmap_one)(struct page *,
 	if (!anon_vma)
 		return ret;
 	spin_lock(&anon_vma->lock);
-	list_for_each_entry(vma, &anon_vma->head, anon_vma_node) {
+	list_for_each_entry(avc, &anon_vma->head, same_anon_vma) {
+		struct vm_area_struct *vma = avc->vma;
 		unsigned long address = vma_address(page, vma);
 		if (address == -EFAULT)
 			continue;
diff --git a/mm/slab.c b/mm/slab.c
index 7451bdacaf18..a9f325b28bed 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -935,7 +935,6 @@ static int transfer_objects(struct array_cache *to,
 
 	from->avail -= nr;
 	to->avail += nr;
-	to->touched = 1;
 	return nr;
 }
 
@@ -983,13 +982,11 @@ static struct array_cache **alloc_alien_cache(int node, int limit, gfp_t gfp)
 
 	if (limit > 1)
 		limit = 12;
-	ac_ptr = kmalloc_node(memsize, gfp, node);
+	ac_ptr = kzalloc_node(memsize, gfp, node);
 	if (ac_ptr) {
 		for_each_node(i) {
-			if (i == node || !node_online(i)) {
-				ac_ptr[i] = NULL;
+			if (i == node || !node_online(i))
 				continue;
-			}
 			ac_ptr[i] = alloc_arraycache(node, limit, 0xbaadf00d, gfp);
 			if (!ac_ptr[i]) {
 				for (i--; i >= 0; i--)
@@ -2963,8 +2960,10 @@ retry:
 	spin_lock(&l3->list_lock);
 
 	/* See if we can refill from the shared array */
-	if (l3->shared && transfer_objects(ac, l3->shared, batchcount))
+	if (l3->shared && transfer_objects(ac, l3->shared, batchcount)) {
+		l3->shared->touched = 1;
 		goto alloc_done;
+	}
 
 	while (batchcount > 0) {
 		struct list_head *entry;
@@ -3101,7 +3100,7 @@ static bool slab_should_failslab(struct kmem_cache *cachep, gfp_t flags)
 	if (cachep == &cache_cache)
 		return false;
 
-	return should_failslab(obj_size(cachep), flags);
+	return should_failslab(obj_size(cachep), flags, cachep->flags);
 }
 
 static inline void *____cache_alloc(struct kmem_cache *cachep, gfp_t flags)
diff --git a/mm/slub.c b/mm/slub.c
index 8d71aaf888d7..b364844a1068 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -151,7 +151,8 @@
  * Set of flags that will prevent slab merging
  */
 #define SLUB_NEVER_MERGE (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER | \
-		SLAB_TRACE | SLAB_DESTROY_BY_RCU | SLAB_NOLEAKTRACE)
+		SLAB_TRACE | SLAB_DESTROY_BY_RCU | SLAB_NOLEAKTRACE | \
+		SLAB_FAILSLAB)
 
 #define SLUB_MERGE_SAME (SLAB_DEBUG_FREE | SLAB_RECLAIM_ACCOUNT | \
 		SLAB_CACHE_DMA | SLAB_NOTRACK)
@@ -217,10 +218,10 @@ static inline void sysfs_slab_remove(struct kmem_cache *s)
 
 #endif
 
-static inline void stat(struct kmem_cache_cpu *c, enum stat_item si)
+static inline void stat(struct kmem_cache *s, enum stat_item si)
 {
 #ifdef CONFIG_SLUB_STATS
-	c->stat[si]++;
+	__this_cpu_inc(s->cpu_slab->stat[si]);
 #endif
 }
 
@@ -242,15 +243,6 @@ static inline struct kmem_cache_node *get_node(struct kmem_cache *s, int node)
 #endif
 }
 
-static inline struct kmem_cache_cpu *get_cpu_slab(struct kmem_cache *s, int cpu)
-{
-#ifdef CONFIG_SMP
-	return s->cpu_slab[cpu];
-#else
-	return &s->cpu_slab;
-#endif
-}
-
 /* Verify that a pointer has an address that is valid within a slab page */
 static inline int check_valid_pointer(struct kmem_cache *s,
 				struct page *page, const void *object)
@@ -269,13 +261,6 @@ static inline int check_valid_pointer(struct kmem_cache *s,
 	return 1;
 }
 
-/*
- * Slow version of get and set free pointer.
- *
- * This version requires touching the cache lines of kmem_cache which
- * we avoid to do in the fast alloc free paths. There we obtain the offset
- * from the page struct.
- */
 static inline void *get_freepointer(struct kmem_cache *s, void *object)
 {
 	return *(void **)(object + s->offset);
@@ -1020,6 +1005,9 @@ static int __init setup_slub_debug(char *str)
 		case 't':
 			slub_debug |= SLAB_TRACE;
 			break;
+		case 'a':
+			slub_debug |= SLAB_FAILSLAB;
+			break;
 		default:
 			printk(KERN_ERR "slub_debug option '%c' "
 				"unknown. skipped\n", *str);
@@ -1124,7 +1112,7 @@ static struct page *allocate_slab(struct kmem_cache *s, gfp_t flags, int node)
 		if (!page)
 			return NULL;
 
-		stat(get_cpu_slab(s, raw_smp_processor_id()), ORDER_FALLBACK);
+		stat(s, ORDER_FALLBACK);
 	}
 
 	if (kmemcheck_enabled
@@ -1422,23 +1410,22 @@ static struct page *get_partial(struct kmem_cache *s, gfp_t flags, int node)
 static void unfreeze_slab(struct kmem_cache *s, struct page *page, int tail)
 {
 	struct kmem_cache_node *n = get_node(s, page_to_nid(page));
-	struct kmem_cache_cpu *c = get_cpu_slab(s, smp_processor_id());
 
 	__ClearPageSlubFrozen(page);
 	if (page->inuse) {
 
 		if (page->freelist) {
 			add_partial(n, page, tail);
-			stat(c, tail ? DEACTIVATE_TO_TAIL : DEACTIVATE_TO_HEAD);
+			stat(s, tail ? DEACTIVATE_TO_TAIL : DEACTIVATE_TO_HEAD);
 		} else {
-			stat(c, DEACTIVATE_FULL);
+			stat(s, DEACTIVATE_FULL);
 			if (SLABDEBUG && PageSlubDebug(page) &&
 						(s->flags & SLAB_STORE_USER))
 				add_full(n, page);
 		}
 		slab_unlock(page);
 	} else {
-		stat(c, DEACTIVATE_EMPTY);
+		stat(s, DEACTIVATE_EMPTY);
 		if (n->nr_partial < s->min_partial) {
 			/*
 			 * Adding an empty slab to the partial slabs in order
@@ -1454,7 +1441,7 @@ static void unfreeze_slab(struct kmem_cache *s, struct page *page, int tail)
 			slab_unlock(page);
 		} else {
 			slab_unlock(page);
-			stat(get_cpu_slab(s, raw_smp_processor_id()), FREE_SLAB);
+			stat(s, FREE_SLAB);
 			discard_slab(s, page);
 		}
 	}
@@ -1469,7 +1456,7 @@ static void deactivate_slab(struct kmem_cache *s, struct kmem_cache_cpu *c)
 	int tail = 1;
 
 	if (page->freelist)
-		stat(c, DEACTIVATE_REMOTE_FREES);
+		stat(s, DEACTIVATE_REMOTE_FREES);
 	/*
 	 * Merge cpu freelist into slab freelist. Typically we get here
 	 * because both freelists are empty. So this is unlikely
@@ -1482,10 +1469,10 @@ static void deactivate_slab(struct kmem_cache *s, struct kmem_cache_cpu *c)
 
 		/* Retrieve object from cpu_freelist */
 		object = c->freelist;
-		c->freelist = c->freelist[c->offset];
+		c->freelist = get_freepointer(s, c->freelist);
 
 		/* And put onto the regular freelist */
-		object[c->offset] = page->freelist;
+		set_freepointer(s, object, page->freelist);
 		page->freelist = object;
 		page->inuse--;
 	}
@@ -1495,7 +1482,7 @@ static void deactivate_slab(struct kmem_cache *s, struct kmem_cache_cpu *c)
 
 static inline void flush_slab(struct kmem_cache *s, struct kmem_cache_cpu *c)
 {
-	stat(c, CPUSLAB_FLUSH);
+	stat(s, CPUSLAB_FLUSH);
 	slab_lock(c->page);
 	deactivate_slab(s, c);
 }
@@ -1507,7 +1494,7 @@ static inline void flush_slab(struct kmem_cache *s, struct kmem_cache_cpu *c)
  */
 static inline void __flush_cpu_slab(struct kmem_cache *s, int cpu)
 {
-	struct kmem_cache_cpu *c = get_cpu_slab(s, cpu);
+	struct kmem_cache_cpu *c = per_cpu_ptr(s->cpu_slab, cpu);
 
 	if (likely(c && c->page))
 		flush_slab(s, c);
@@ -1635,7 +1622,7 @@ static void *__slab_alloc(struct kmem_cache *s, gfp_t gfpflags, int node,
 	if (unlikely(!node_match(c, node)))
 		goto another_slab;
 
-	stat(c, ALLOC_REFILL);
+	stat(s, ALLOC_REFILL);
 
 load_freelist:
 	object = c->page->freelist;
@@ -1644,13 +1631,13 @@ load_freelist:
 	if (unlikely(SLABDEBUG && PageSlubDebug(c->page)))
 		goto debug;
 
-	c->freelist = object[c->offset];
+	c->freelist = get_freepointer(s, object);
 	c->page->inuse = c->page->objects;
 	c->page->freelist = NULL;
 	c->node = page_to_nid(c->page);
 unlock_out:
 	slab_unlock(c->page);
-	stat(c, ALLOC_SLOWPATH);
+	stat(s, ALLOC_SLOWPATH);
 	return object;
 
 another_slab:
@@ -1660,7 +1647,7 @@ new_slab:
 	new = get_partial(s, gfpflags, node);
 	if (new) {
 		c->page = new;
-		stat(c, ALLOC_FROM_PARTIAL);
+		stat(s, ALLOC_FROM_PARTIAL);
 		goto load_freelist;
 	}
 
@@ -1673,8 +1660,8 @@ new_slab:
 		local_irq_disable();
 
 	if (new) {
-		c = get_cpu_slab(s, smp_processor_id());
-		stat(c, ALLOC_SLAB);
+		c = __this_cpu_ptr(s->cpu_slab);
+		stat(s, ALLOC_SLAB);
 		if (c->page)
 			flush_slab(s, c);
 		slab_lock(new);
@@ -1690,7 +1677,7 @@ debug:
 		goto another_slab;
 
 	c->page->inuse++;
-	c->page->freelist = object[c->offset];
+	c->page->freelist = get_freepointer(s, object);
 	c->node = -1;
 	goto unlock_out;
 }
@@ -1711,35 +1698,33 @@ static __always_inline void *slab_alloc(struct kmem_cache *s,
 	void **object;
 	struct kmem_cache_cpu *c;
 	unsigned long flags;
-	unsigned int objsize;
 
 	gfpflags &= gfp_allowed_mask;
 
 	lockdep_trace_alloc(gfpflags);
 	might_sleep_if(gfpflags & __GFP_WAIT);
 
-	if (should_failslab(s->objsize, gfpflags))
+	if (should_failslab(s->objsize, gfpflags, s->flags))
 		return NULL;
 
 	local_irq_save(flags);
-	c = get_cpu_slab(s, smp_processor_id());
-	objsize = c->objsize;
-	if (unlikely(!c->freelist || !node_match(c, node)))
+	c = __this_cpu_ptr(s->cpu_slab);
+	object = c->freelist;
+	if (unlikely(!object || !node_match(c, node)))
 
 		object = __slab_alloc(s, gfpflags, node, addr, c);
 
 	else {
-		object = c->freelist;
-		c->freelist = object[c->offset];
-		stat(c, ALLOC_FASTPATH);
+		c->freelist = get_freepointer(s, object);
+		stat(s, ALLOC_FASTPATH);
 	}
 	local_irq_restore(flags);
 
 	if (unlikely(gfpflags & __GFP_ZERO) && object)
-		memset(object, 0, objsize);
+		memset(object, 0, s->objsize);
 
-	kmemcheck_slab_alloc(s, gfpflags, object, c->objsize);
-	kmemleak_alloc_recursive(object, objsize, 1, s->flags, gfpflags);
+	kmemcheck_slab_alloc(s, gfpflags, object, s->objsize);
+	kmemleak_alloc_recursive(object, s->objsize, 1, s->flags, gfpflags);
 
 	return object;
 }
@@ -1794,26 +1779,25 @@ EXPORT_SYMBOL(kmem_cache_alloc_node_notrace);
  * handling required then we can return immediately.
  */
 static void __slab_free(struct kmem_cache *s, struct page *page,
-			void *x, unsigned long addr, unsigned int offset)
+			void *x, unsigned long addr)
 {
 	void *prior;
 	void **object = (void *)x;
-	struct kmem_cache_cpu *c;
 
-	c = get_cpu_slab(s, raw_smp_processor_id());
-	stat(c, FREE_SLOWPATH);
+	stat(s, FREE_SLOWPATH);
 	slab_lock(page);
 
 	if (unlikely(SLABDEBUG && PageSlubDebug(page)))
 		goto debug;
 
 checks_ok:
-	prior = object[offset] = page->freelist;
+	prior = page->freelist;
+	set_freepointer(s, object, prior);
 	page->freelist = object;
 	page->inuse--;
 
 	if (unlikely(PageSlubFrozen(page))) {
-		stat(c, FREE_FROZEN);
+		stat(s, FREE_FROZEN);
 		goto out_unlock;
 	}
 
@@ -1826,7 +1810,7 @@ checks_ok:
 	 */
 	if (unlikely(!prior)) {
 		add_partial(get_node(s, page_to_nid(page)), page, 1);
-		stat(c, FREE_ADD_PARTIAL);
+		stat(s, FREE_ADD_PARTIAL);
 	}
 
 out_unlock:
@@ -1839,10 +1823,10 @@ slab_empty:
 		 * Slab still on the partial list.
 		 */
 		remove_partial(s, page);
-		stat(c, FREE_REMOVE_PARTIAL);
+		stat(s, FREE_REMOVE_PARTIAL);
 	}
 	slab_unlock(page);
-	stat(c, FREE_SLAB);
+	stat(s, FREE_SLAB);
 	discard_slab(s, page);
 	return;
 
@@ -1872,17 +1856,17 @@ static __always_inline void slab_free(struct kmem_cache *s,
 
 	kmemleak_free_recursive(x, s->flags);
 	local_irq_save(flags);
-	c = get_cpu_slab(s, smp_processor_id());
-	kmemcheck_slab_free(s, object, c->objsize);
-	debug_check_no_locks_freed(object, c->objsize);
+	c = __this_cpu_ptr(s->cpu_slab);
+	kmemcheck_slab_free(s, object, s->objsize);
+	debug_check_no_locks_freed(object, s->objsize);
 	if (!(s->flags & SLAB_DEBUG_OBJECTS))
-		debug_check_no_obj_freed(object, c->objsize);
+		debug_check_no_obj_freed(object, s->objsize);
 	if (likely(page == c->page && c->node >= 0)) {
-		object[c->offset] = c->freelist;
+		set_freepointer(s, object, c->freelist);
 		c->freelist = object;
-		stat(c, FREE_FASTPATH);
+		stat(s, FREE_FASTPATH);
 	} else
-		__slab_free(s, page, x, addr, c->offset);
+		__slab_free(s, page, x, addr);
 
 	local_irq_restore(flags);
 }
@@ -2069,19 +2053,6 @@ static unsigned long calculate_alignment(unsigned long flags,
 	return ALIGN(align, sizeof(void *));
 }
 
-static void init_kmem_cache_cpu(struct kmem_cache *s,
-			struct kmem_cache_cpu *c)
-{
-	c->page = NULL;
-	c->freelist = NULL;
-	c->node = 0;
-	c->offset = s->offset / sizeof(void *);
-	c->objsize = s->objsize;
-#ifdef CONFIG_SLUB_STATS
-	memset(c->stat, 0, NR_SLUB_STAT_ITEMS * sizeof(unsigned));
-#endif
-}
-
 static void
 init_kmem_cache_node(struct kmem_cache_node *n, struct kmem_cache *s)
 {
@@ -2095,130 +2066,24 @@ init_kmem_cache_node(struct kmem_cache_node *n, struct kmem_cache *s)
 #endif
 }
 
-#ifdef CONFIG_SMP
-/*
- * Per cpu array for per cpu structures.
- *
- * The per cpu array places all kmem_cache_cpu structures from one processor
- * close together meaning that it becomes possible that multiple per cpu
- * structures are contained in one cacheline. This may be particularly
- * beneficial for the kmalloc caches.
- *
- * A desktop system typically has around 60-80 slabs. With 100 here we are
- * likely able to get per cpu structures for all caches from the array defined
- * here. We must be able to cover all kmalloc caches during bootstrap.
- *
- * If the per cpu array is exhausted then fall back to kmalloc
- * of individual cachelines. No sharing is possible then.
- */
-#define NR_KMEM_CACHE_CPU 100
-
-static DEFINE_PER_CPU(struct kmem_cache_cpu [NR_KMEM_CACHE_CPU],
-		      kmem_cache_cpu);
-
-static DEFINE_PER_CPU(struct kmem_cache_cpu *, kmem_cache_cpu_free);
-static DECLARE_BITMAP(kmem_cach_cpu_free_init_once, CONFIG_NR_CPUS);
-
-static struct kmem_cache_cpu *alloc_kmem_cache_cpu(struct kmem_cache *s,
-							int cpu, gfp_t flags)
-{
-	struct kmem_cache_cpu *c = per_cpu(kmem_cache_cpu_free, cpu);
-
-	if (c)
-		per_cpu(kmem_cache_cpu_free, cpu) =
-				(void *)c->freelist;
-	else {
-		/* Table overflow: So allocate ourselves */
-		c = kmalloc_node(
-			ALIGN(sizeof(struct kmem_cache_cpu), cache_line_size()),
-			flags, cpu_to_node(cpu));
-		if (!c)
-			return NULL;
-	}
-
-	init_kmem_cache_cpu(s, c);
-	return c;
-}
-
-static void free_kmem_cache_cpu(struct kmem_cache_cpu *c, int cpu)
-{
-	if (c < per_cpu(kmem_cache_cpu, cpu) ||
-			c >= per_cpu(kmem_cache_cpu, cpu) + NR_KMEM_CACHE_CPU) {
-		kfree(c);
-		return;
-	}
-	c->freelist = (void *)per_cpu(kmem_cache_cpu_free, cpu);
-	per_cpu(kmem_cache_cpu_free, cpu) = c;
-}
-
-static void free_kmem_cache_cpus(struct kmem_cache *s)
-{
-	int cpu;
-
-	for_each_online_cpu(cpu) {
-		struct kmem_cache_cpu *c = get_cpu_slab(s, cpu);
-
-		if (c) {
-			s->cpu_slab[cpu] = NULL;
-			free_kmem_cache_cpu(c, cpu);
-		}
-	}
-}
-
-static int alloc_kmem_cache_cpus(struct kmem_cache *s, gfp_t flags)
-{
-	int cpu;
-
-	for_each_online_cpu(cpu) {
-		struct kmem_cache_cpu *c = get_cpu_slab(s, cpu);
-
-		if (c)
-			continue;
-
-		c = alloc_kmem_cache_cpu(s, cpu, flags);
-		if (!c) {
-			free_kmem_cache_cpus(s);
-			return 0;
-		}
-		s->cpu_slab[cpu] = c;
-	}
-	return 1;
-}
-
-/*
- * Initialize the per cpu array.
- */
-static void init_alloc_cpu_cpu(int cpu)
-{
-	int i;
+static DEFINE_PER_CPU(struct kmem_cache_cpu, kmalloc_percpu[KMALLOC_CACHES]);
 
-	if (cpumask_test_cpu(cpu, to_cpumask(kmem_cach_cpu_free_init_once)))
-		return;
-
-	for (i = NR_KMEM_CACHE_CPU - 1; i >= 0; i--)
-		free_kmem_cache_cpu(&per_cpu(kmem_cache_cpu, cpu)[i], cpu);
-
-	cpumask_set_cpu(cpu, to_cpumask(kmem_cach_cpu_free_init_once));
-}
-
-static void __init init_alloc_cpu(void)
+static inline int alloc_kmem_cache_cpus(struct kmem_cache *s, gfp_t flags)
 {
-	int cpu;
-
-	for_each_online_cpu(cpu)
-		init_alloc_cpu_cpu(cpu);
-  }
+	if (s < kmalloc_caches + KMALLOC_CACHES && s >= kmalloc_caches)
+		/*
+		 * Boot time creation of the kmalloc array. Use static per cpu data
+		 * since the per cpu allocator is not available yet.
+		 */
+		s->cpu_slab = kmalloc_percpu + (s - kmalloc_caches);
+	else
+		s->cpu_slab =  alloc_percpu(struct kmem_cache_cpu);
 
-#else
-static inline void free_kmem_cache_cpus(struct kmem_cache *s) {}
-static inline void init_alloc_cpu(void) {}
+	if (!s->cpu_slab)
+		return 0;
 
-static inline int alloc_kmem_cache_cpus(struct kmem_cache *s, gfp_t flags)
-{
-	init_kmem_cache_cpu(s, &s->cpu_slab);
 	return 1;
 }
-#endif
 
 #ifdef CONFIG_NUMA
 /*
@@ -2287,7 +2152,8 @@ static int init_kmem_cache_nodes(struct kmem_cache *s, gfp_t gfpflags)
 	int node;
 	int local_node;
 
-	if (slab_state >= UP)
+	if (slab_state >= UP && (s < kmalloc_caches ||
+			s > kmalloc_caches + KMALLOC_CACHES))
 		local_node = page_to_nid(virt_to_page(s));
 	else
 		local_node = 0;
@@ -2502,6 +2368,7 @@ static int kmem_cache_open(struct kmem_cache *s, gfp_t gfpflags,
 
 	if (alloc_kmem_cache_cpus(s, gfpflags & ~SLUB_DMA))
 		return 1;
+
 	free_kmem_cache_nodes(s);
 error:
 	if (flags & SLAB_PANIC)
@@ -2609,9 +2476,8 @@ static inline int kmem_cache_close(struct kmem_cache *s)
 	int node;
 
 	flush_all(s);
-
+	free_percpu(s->cpu_slab);
 	/* Attempt to free all objects */
-	free_kmem_cache_cpus(s);
 	for_each_node_state(node, N_NORMAL_MEMORY) {
 		struct kmem_cache_node *n = get_node(s, node);
 
@@ -2651,7 +2517,7 @@ EXPORT_SYMBOL(kmem_cache_destroy);
  *		Kmalloc subsystem
  *******************************************************************/
 
-struct kmem_cache kmalloc_caches[SLUB_PAGE_SHIFT] __cacheline_aligned;
+struct kmem_cache kmalloc_caches[KMALLOC_CACHES] __cacheline_aligned;
 EXPORT_SYMBOL(kmalloc_caches);
 
 static int __init setup_slub_min_order(char *str)
@@ -2741,6 +2607,7 @@ static noinline struct kmem_cache *dma_kmalloc_cache(int index, gfp_t flags)
 	char *text;
 	size_t realsize;
 	unsigned long slabflags;
+	int i;
 
 	s = kmalloc_caches_dma[index];
 	if (s)
@@ -2760,7 +2627,14 @@ static noinline struct kmem_cache *dma_kmalloc_cache(int index, gfp_t flags)
 	realsize = kmalloc_caches[index].objsize;
 	text = kasprintf(flags & ~SLUB_DMA, "kmalloc_dma-%d",
 			 (unsigned int)realsize);
-	s = kmalloc(kmem_size, flags & ~SLUB_DMA);
+
+	s = NULL;
+	for (i = 0; i < KMALLOC_CACHES; i++)
+		if (!kmalloc_caches[i].size)
+			break;
+
+	BUG_ON(i >= KMALLOC_CACHES);
+	s = kmalloc_caches + i;
 
 	/*
 	 * Must defer sysfs creation to a workqueue because we don't know
@@ -2772,9 +2646,9 @@ static noinline struct kmem_cache *dma_kmalloc_cache(int index, gfp_t flags)
 	if (slab_state >= SYSFS)
 		slabflags |= __SYSFS_ADD_DEFERRED;
 
-	if (!s || !text || !kmem_cache_open(s, flags, text,
+	if (!text || !kmem_cache_open(s, flags, text,
 			realsize, ARCH_KMALLOC_MINALIGN, slabflags, NULL)) {
-		kfree(s);
+		s->size = 0;
 		kfree(text);
 		goto unlock_out;
 	}
@@ -3086,7 +2960,7 @@ static void slab_mem_offline_callback(void *arg)
 			/*
 			 * if n->nr_slabs > 0, slabs still exist on the node
 			 * that is going down. We were unable to free them,
-			 * and offline_pages() function shoudn't call this
+			 * and offline_pages() function shouldn't call this
 			 * callback. So, we must fail.
 			 */
 			BUG_ON(slabs_node(s, offline_node));
@@ -3176,8 +3050,6 @@ void __init kmem_cache_init(void)
 	int i;
 	int caches = 0;
 
-	init_alloc_cpu();
-
 #ifdef CONFIG_NUMA
 	/*
 	 * Must first have the slab cache available for the allocations of the
@@ -3261,8 +3133,10 @@ void __init kmem_cache_init(void)
 
 #ifdef CONFIG_SMP
 	register_cpu_notifier(&slab_notifier);
-	kmem_size = offsetof(struct kmem_cache, cpu_slab) +
-				nr_cpu_ids * sizeof(struct kmem_cache_cpu *);
+#endif
+#ifdef CONFIG_NUMA
+	kmem_size = offsetof(struct kmem_cache, node) +
+				nr_node_ids * sizeof(struct kmem_cache_node *);
 #else
 	kmem_size = sizeof(struct kmem_cache);
 #endif
@@ -3351,22 +3225,12 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size,
 	down_write(&slub_lock);
 	s = find_mergeable(size, align, flags, name, ctor);
 	if (s) {
-		int cpu;
-
 		s->refcount++;
 		/*
 		 * Adjust the object sizes so that we clear
 		 * the complete object on kzalloc.
 		 */
 		s->objsize = max(s->objsize, (int)size);
-
-		/*
-		 * And then we need to update the object size in the
-		 * per cpu structures
-		 */
-		for_each_online_cpu(cpu)
-			get_cpu_slab(s, cpu)->objsize = s->objsize;
-
 		s->inuse = max_t(int, s->inuse, ALIGN(size, sizeof(void *)));
 		up_write(&slub_lock);
 
@@ -3420,29 +3284,15 @@ static int __cpuinit slab_cpuup_callback(struct notifier_block *nfb,
 	unsigned long flags;
 
 	switch (action) {
-	case CPU_UP_PREPARE:
-	case CPU_UP_PREPARE_FROZEN:
-		init_alloc_cpu_cpu(cpu);
-		down_read(&slub_lock);
-		list_for_each_entry(s, &slab_caches, list)
-			s->cpu_slab[cpu] = alloc_kmem_cache_cpu(s, cpu,
-							GFP_KERNEL);
-		up_read(&slub_lock);
-		break;
-
 	case CPU_UP_CANCELED:
 	case CPU_UP_CANCELED_FROZEN:
 	case CPU_DEAD:
 	case CPU_DEAD_FROZEN:
 		down_read(&slub_lock);
 		list_for_each_entry(s, &slab_caches, list) {
-			struct kmem_cache_cpu *c = get_cpu_slab(s, cpu);
-
 			local_irq_save(flags);
 			__flush_cpu_slab(s, cpu);
 			local_irq_restore(flags);
-			free_kmem_cache_cpu(c, cpu);
-			s->cpu_slab[cpu] = NULL;
 		}
 		up_read(&slub_lock);
 		break;
@@ -3928,7 +3778,7 @@ static ssize_t show_slab_objects(struct kmem_cache *s,
 		int cpu;
 
 		for_each_possible_cpu(cpu) {
-			struct kmem_cache_cpu *c = get_cpu_slab(s, cpu);
+			struct kmem_cache_cpu *c = per_cpu_ptr(s->cpu_slab, cpu);
 
 			if (!c || c->node < 0)
 				continue;
@@ -4171,6 +4021,23 @@ static ssize_t trace_store(struct kmem_cache *s, const char *buf,
 }
 SLAB_ATTR(trace);
 
+#ifdef CONFIG_FAILSLAB
+static ssize_t failslab_show(struct kmem_cache *s, char *buf)
+{
+	return sprintf(buf, "%d\n", !!(s->flags & SLAB_FAILSLAB));
+}
+
+static ssize_t failslab_store(struct kmem_cache *s, const char *buf,
+							size_t length)
+{
+	s->flags &= ~SLAB_FAILSLAB;
+	if (buf[0] == '1')
+		s->flags |= SLAB_FAILSLAB;
+	return length;
+}
+SLAB_ATTR(failslab);
+#endif
+
 static ssize_t reclaim_account_show(struct kmem_cache *s, char *buf)
 {
 	return sprintf(buf, "%d\n", !!(s->flags & SLAB_RECLAIM_ACCOUNT));
@@ -4353,7 +4220,7 @@ static int show_stat(struct kmem_cache *s, char *buf, enum stat_item si)
 		return -ENOMEM;
 
 	for_each_online_cpu(cpu) {
-		unsigned x = get_cpu_slab(s, cpu)->stat[si];
+		unsigned x = per_cpu_ptr(s->cpu_slab, cpu)->stat[si];
 
 		data[cpu] = x;
 		sum += x;
@@ -4376,7 +4243,7 @@ static void clear_stat(struct kmem_cache *s, enum stat_item si)
 	int cpu;
 
 	for_each_online_cpu(cpu)
-		get_cpu_slab(s, cpu)->stat[si] = 0;
+		per_cpu_ptr(s->cpu_slab, cpu)->stat[si] = 0;
 }
 
 #define STAT_ATTR(si, text) 					\
@@ -4467,6 +4334,10 @@ static struct attribute *slab_attrs[] = {
 	&deactivate_remote_frees_attr.attr,
 	&order_fallback_attr.attr,
 #endif
+#ifdef CONFIG_FAILSLAB
+	&failslab_attr.attr,
+#endif
+
 	NULL
 };
 
@@ -4519,7 +4390,7 @@ static void kmem_cache_release(struct kobject *kobj)
 	kfree(s);
 }
 
-static struct sysfs_ops slab_sysfs_ops = {
+static const struct sysfs_ops slab_sysfs_ops = {
 	.show = slab_attr_show,
 	.store = slab_attr_store,
 };
@@ -4538,7 +4409,7 @@ static int uevent_filter(struct kset *kset, struct kobject *kobj)
 	return 0;
 }
 
-static struct kset_uevent_ops slab_uevent_ops = {
+static const struct kset_uevent_ops slab_uevent_ops = {
 	.filter = uevent_filter,
 };
 
diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c
index d9714bdcb4a3..392b9bb5bc01 100644
--- a/mm/sparse-vmemmap.c
+++ b/mm/sparse-vmemmap.c
@@ -40,9 +40,11 @@ static void * __init_refok __earlyonly_bootmem_alloc(int node,
 				unsigned long align,
 				unsigned long goal)
 {
-	return __alloc_bootmem_node(NODE_DATA(node), size, align, goal);
+	return __alloc_bootmem_node_high(NODE_DATA(node), size, align, goal);
 }
 
+static void *vmemmap_buf;
+static void *vmemmap_buf_end;
 
 void * __meminit vmemmap_alloc_block(unsigned long size, int node)
 {
@@ -64,6 +66,24 @@ void * __meminit vmemmap_alloc_block(unsigned long size, int node)
 				__pa(MAX_DMA_ADDRESS));
 }
 
+/* need to make sure size is all the same during early stage */
+void * __meminit vmemmap_alloc_block_buf(unsigned long size, int node)
+{
+	void *ptr;
+
+	if (!vmemmap_buf)
+		return vmemmap_alloc_block(size, node);
+
+	/* take the from buf */
+	ptr = (void *)ALIGN((unsigned long)vmemmap_buf, size);
+	if (ptr + size > vmemmap_buf_end)
+		return vmemmap_alloc_block(size, node);
+
+	vmemmap_buf = ptr + size;
+
+	return ptr;
+}
+
 void __meminit vmemmap_verify(pte_t *pte, int node,
 				unsigned long start, unsigned long end)
 {
@@ -80,7 +100,7 @@ pte_t * __meminit vmemmap_pte_populate(pmd_t *pmd, unsigned long addr, int node)
 	pte_t *pte = pte_offset_kernel(pmd, addr);
 	if (pte_none(*pte)) {
 		pte_t entry;
-		void *p = vmemmap_alloc_block(PAGE_SIZE, node);
+		void *p = vmemmap_alloc_block_buf(PAGE_SIZE, node);
 		if (!p)
 			return NULL;
 		entry = pfn_pte(__pa(p) >> PAGE_SHIFT, PAGE_KERNEL);
@@ -163,3 +183,55 @@ struct page * __meminit sparse_mem_map_populate(unsigned long pnum, int nid)
 
 	return map;
 }
+
+void __init sparse_mem_maps_populate_node(struct page **map_map,
+					  unsigned long pnum_begin,
+					  unsigned long pnum_end,
+					  unsigned long map_count, int nodeid)
+{
+	unsigned long pnum;
+	unsigned long size = sizeof(struct page) * PAGES_PER_SECTION;
+	void *vmemmap_buf_start;
+
+	size = ALIGN(size, PMD_SIZE);
+	vmemmap_buf_start = __earlyonly_bootmem_alloc(nodeid, size * map_count,
+			 PMD_SIZE, __pa(MAX_DMA_ADDRESS));
+
+	if (vmemmap_buf_start) {
+		vmemmap_buf = vmemmap_buf_start;
+		vmemmap_buf_end = vmemmap_buf_start + size * map_count;
+	}
+
+	for (pnum = pnum_begin; pnum < pnum_end; pnum++) {
+		struct mem_section *ms;
+
+		if (!present_section_nr(pnum))
+			continue;
+
+		map_map[pnum] = sparse_mem_map_populate(pnum, nodeid);
+		if (map_map[pnum])
+			continue;
+		ms = __nr_to_section(pnum);
+		printk(KERN_ERR "%s: sparsemem memory map backing failed "
+			"some memory will not be available.\n", __func__);
+		ms->section_mem_map = 0;
+	}
+
+	if (vmemmap_buf_start) {
+		/* need to free left buf */
+#ifdef CONFIG_NO_BOOTMEM
+		free_early(__pa(vmemmap_buf_start), __pa(vmemmap_buf_end));
+		if (vmemmap_buf_start < vmemmap_buf) {
+			char name[15];
+
+			snprintf(name, sizeof(name), "MEMMAP %d", nodeid);
+			reserve_early_without_check(__pa(vmemmap_buf_start),
+						    __pa(vmemmap_buf), name);
+		}
+#else
+		free_bootmem(__pa(vmemmap_buf), vmemmap_buf_end - vmemmap_buf);
+#endif
+		vmemmap_buf = NULL;
+		vmemmap_buf_end = NULL;
+	}
+}
diff --git a/mm/sparse.c b/mm/sparse.c
index 6ce4aab69e99..22896d589133 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -271,7 +271,8 @@ static unsigned long *__kmalloc_section_usemap(void)
 
 #ifdef CONFIG_MEMORY_HOTREMOVE
 static unsigned long * __init
-sparse_early_usemap_alloc_pgdat_section(struct pglist_data *pgdat)
+sparse_early_usemaps_alloc_pgdat_section(struct pglist_data *pgdat,
+					 unsigned long count)
 {
 	unsigned long section_nr;
 
@@ -286,7 +287,7 @@ sparse_early_usemap_alloc_pgdat_section(struct pglist_data *pgdat)
 	 * this problem.
 	 */
 	section_nr = pfn_to_section_nr(__pa(pgdat) >> PAGE_SHIFT);
-	return alloc_bootmem_section(usemap_size(), section_nr);
+	return alloc_bootmem_section(usemap_size() * count, section_nr);
 }
 
 static void __init check_usemap_section_nr(int nid, unsigned long *usemap)
@@ -329,7 +330,8 @@ static void __init check_usemap_section_nr(int nid, unsigned long *usemap)
 }
 #else
 static unsigned long * __init
-sparse_early_usemap_alloc_pgdat_section(struct pglist_data *pgdat)
+sparse_early_usemaps_alloc_pgdat_section(struct pglist_data *pgdat,
+					 unsigned long count)
 {
 	return NULL;
 }
@@ -339,27 +341,40 @@ static void __init check_usemap_section_nr(int nid, unsigned long *usemap)
 }
 #endif /* CONFIG_MEMORY_HOTREMOVE */
 
-static unsigned long *__init sparse_early_usemap_alloc(unsigned long pnum)
+static void __init sparse_early_usemaps_alloc_node(unsigned long**usemap_map,
+				 unsigned long pnum_begin,
+				 unsigned long pnum_end,
+				 unsigned long usemap_count, int nodeid)
 {
-	unsigned long *usemap;
-	struct mem_section *ms = __nr_to_section(pnum);
-	int nid = sparse_early_nid(ms);
-
-	usemap = sparse_early_usemap_alloc_pgdat_section(NODE_DATA(nid));
-	if (usemap)
-		return usemap;
+	void *usemap;
+	unsigned long pnum;
+	int size = usemap_size();
 
-	usemap = alloc_bootmem_node(NODE_DATA(nid), usemap_size());
+	usemap = sparse_early_usemaps_alloc_pgdat_section(NODE_DATA(nodeid),
+								 usemap_count);
 	if (usemap) {
-		check_usemap_section_nr(nid, usemap);
-		return usemap;
+		for (pnum = pnum_begin; pnum < pnum_end; pnum++) {
+			if (!present_section_nr(pnum))
+				continue;
+			usemap_map[pnum] = usemap;
+			usemap += size;
+		}
+		return;
 	}
 
-	/* Stupid: suppress gcc warning for SPARSEMEM && !NUMA */
-	nid = 0;
+	usemap = alloc_bootmem_node(NODE_DATA(nodeid), size * usemap_count);
+	if (usemap) {
+		for (pnum = pnum_begin; pnum < pnum_end; pnum++) {
+			if (!present_section_nr(pnum))
+				continue;
+			usemap_map[pnum] = usemap;
+			usemap += size;
+			check_usemap_section_nr(nodeid, usemap_map[pnum]);
+		}
+		return;
+	}
 
 	printk(KERN_WARNING "%s: allocation failed\n", __func__);
-	return NULL;
 }
 
 #ifndef CONFIG_SPARSEMEM_VMEMMAP
@@ -375,8 +390,65 @@ struct page __init *sparse_mem_map_populate(unsigned long pnum, int nid)
 		       PAGE_ALIGN(sizeof(struct page) * PAGES_PER_SECTION));
 	return map;
 }
+void __init sparse_mem_maps_populate_node(struct page **map_map,
+					  unsigned long pnum_begin,
+					  unsigned long pnum_end,
+					  unsigned long map_count, int nodeid)
+{
+	void *map;
+	unsigned long pnum;
+	unsigned long size = sizeof(struct page) * PAGES_PER_SECTION;
+
+	map = alloc_remap(nodeid, size * map_count);
+	if (map) {
+		for (pnum = pnum_begin; pnum < pnum_end; pnum++) {
+			if (!present_section_nr(pnum))
+				continue;
+			map_map[pnum] = map;
+			map += size;
+		}
+		return;
+	}
+
+	size = PAGE_ALIGN(size);
+	map = alloc_bootmem_pages_node(NODE_DATA(nodeid), size * map_count);
+	if (map) {
+		for (pnum = pnum_begin; pnum < pnum_end; pnum++) {
+			if (!present_section_nr(pnum))
+				continue;
+			map_map[pnum] = map;
+			map += size;
+		}
+		return;
+	}
+
+	/* fallback */
+	for (pnum = pnum_begin; pnum < pnum_end; pnum++) {
+		struct mem_section *ms;
+
+		if (!present_section_nr(pnum))
+			continue;
+		map_map[pnum] = sparse_mem_map_populate(pnum, nodeid);
+		if (map_map[pnum])
+			continue;
+		ms = __nr_to_section(pnum);
+		printk(KERN_ERR "%s: sparsemem memory map backing failed "
+			"some memory will not be available.\n", __func__);
+		ms->section_mem_map = 0;
+	}
+}
 #endif /* !CONFIG_SPARSEMEM_VMEMMAP */
 
+#ifdef CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER
+static void __init sparse_early_mem_maps_alloc_node(struct page **map_map,
+				 unsigned long pnum_begin,
+				 unsigned long pnum_end,
+				 unsigned long map_count, int nodeid)
+{
+	sparse_mem_maps_populate_node(map_map, pnum_begin, pnum_end,
+					 map_count, nodeid);
+}
+#else
 static struct page __init *sparse_early_mem_map_alloc(unsigned long pnum)
 {
 	struct page *map;
@@ -392,10 +464,12 @@ static struct page __init *sparse_early_mem_map_alloc(unsigned long pnum)
 	ms->section_mem_map = 0;
 	return NULL;
 }
+#endif
 
 void __attribute__((weak)) __meminit vmemmap_populate_print_last(void)
 {
 }
+
 /*
  * Allocate the accumulated non-linear sections, allocate a mem_map
  * for each and record the physical to section mapping.
@@ -407,6 +481,14 @@ void __init sparse_init(void)
 	unsigned long *usemap;
 	unsigned long **usemap_map;
 	int size;
+	int nodeid_begin = 0;
+	unsigned long pnum_begin = 0;
+	unsigned long usemap_count;
+#ifdef CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER
+	unsigned long map_count;
+	int size2;
+	struct page **map_map;
+#endif
 
 	/*
 	 * map is using big page (aka 2M in x86 64 bit)
@@ -425,10 +507,81 @@ void __init sparse_init(void)
 		panic("can not allocate usemap_map\n");
 
 	for (pnum = 0; pnum < NR_MEM_SECTIONS; pnum++) {
+		struct mem_section *ms;
+
 		if (!present_section_nr(pnum))
 			continue;
-		usemap_map[pnum] = sparse_early_usemap_alloc(pnum);
+		ms = __nr_to_section(pnum);
+		nodeid_begin = sparse_early_nid(ms);
+		pnum_begin = pnum;
+		break;
 	}
+	usemap_count = 1;
+	for (pnum = pnum_begin + 1; pnum < NR_MEM_SECTIONS; pnum++) {
+		struct mem_section *ms;
+		int nodeid;
+
+		if (!present_section_nr(pnum))
+			continue;
+		ms = __nr_to_section(pnum);
+		nodeid = sparse_early_nid(ms);
+		if (nodeid == nodeid_begin) {
+			usemap_count++;
+			continue;
+		}
+		/* ok, we need to take cake of from pnum_begin to pnum - 1*/
+		sparse_early_usemaps_alloc_node(usemap_map, pnum_begin, pnum,
+						 usemap_count, nodeid_begin);
+		/* new start, update count etc*/
+		nodeid_begin = nodeid;
+		pnum_begin = pnum;
+		usemap_count = 1;
+	}
+	/* ok, last chunk */
+	sparse_early_usemaps_alloc_node(usemap_map, pnum_begin, NR_MEM_SECTIONS,
+					 usemap_count, nodeid_begin);
+
+#ifdef CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER
+	size2 = sizeof(struct page *) * NR_MEM_SECTIONS;
+	map_map = alloc_bootmem(size2);
+	if (!map_map)
+		panic("can not allocate map_map\n");
+
+	for (pnum = 0; pnum < NR_MEM_SECTIONS; pnum++) {
+		struct mem_section *ms;
+
+		if (!present_section_nr(pnum))
+			continue;
+		ms = __nr_to_section(pnum);
+		nodeid_begin = sparse_early_nid(ms);
+		pnum_begin = pnum;
+		break;
+	}
+	map_count = 1;
+	for (pnum = pnum_begin + 1; pnum < NR_MEM_SECTIONS; pnum++) {
+		struct mem_section *ms;
+		int nodeid;
+
+		if (!present_section_nr(pnum))
+			continue;
+		ms = __nr_to_section(pnum);
+		nodeid = sparse_early_nid(ms);
+		if (nodeid == nodeid_begin) {
+			map_count++;
+			continue;
+		}
+		/* ok, we need to take cake of from pnum_begin to pnum - 1*/
+		sparse_early_mem_maps_alloc_node(map_map, pnum_begin, pnum,
+						 map_count, nodeid_begin);
+		/* new start, update count etc*/
+		nodeid_begin = nodeid;
+		pnum_begin = pnum;
+		map_count = 1;
+	}
+	/* ok, last chunk */
+	sparse_early_mem_maps_alloc_node(map_map, pnum_begin, NR_MEM_SECTIONS,
+					 map_count, nodeid_begin);
+#endif
 
 	for (pnum = 0; pnum < NR_MEM_SECTIONS; pnum++) {
 		if (!present_section_nr(pnum))
@@ -438,7 +591,11 @@ void __init sparse_init(void)
 		if (!usemap)
 			continue;
 
+#ifdef CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER
+		map = map_map[pnum];
+#else
 		map = sparse_early_mem_map_alloc(pnum);
+#endif
 		if (!map)
 			continue;
 
@@ -448,6 +605,9 @@ void __init sparse_init(void)
 
 	vmemmap_populate_print_last();
 
+#ifdef CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER
+	free_bootmem(__pa(map_map), size2);
+#endif
 	free_bootmem(__pa(usemap_map), size);
 }
 
diff --git a/mm/swap.c b/mm/swap.c
index 308e57d8d7ed..9036b89813ac 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -55,7 +55,7 @@ static void __page_cache_release(struct page *page)
 		del_page_from_lru(zone, page);
 		spin_unlock_irqrestore(&zone->lru_lock, flags);
 	}
-	free_hot_page(page);
+	free_hot_cold_page(page, 0);
 }
 
 static void put_compound_page(struct page *page)
diff --git a/mm/swapfile.c b/mm/swapfile.c
index 6c0585b16418..6cd0a8f90dc7 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -723,6 +723,37 @@ int free_swap_and_cache(swp_entry_t entry)
 	return p != NULL;
 }
 
+#ifdef CONFIG_CGROUP_MEM_RES_CTLR
+/**
+ * mem_cgroup_count_swap_user - count the user of a swap entry
+ * @ent: the swap entry to be checked
+ * @pagep: the pointer for the swap cache page of the entry to be stored
+ *
+ * Returns the number of the user of the swap entry. The number is valid only
+ * for swaps of anonymous pages.
+ * If the entry is found on swap cache, the page is stored to pagep with
+ * refcount of it being incremented.
+ */
+int mem_cgroup_count_swap_user(swp_entry_t ent, struct page **pagep)
+{
+	struct page *page;
+	struct swap_info_struct *p;
+	int count = 0;
+
+	page = find_get_page(&swapper_space, ent.val);
+	if (page)
+		count += page_mapcount(page);
+	p = swap_info_get(ent);
+	if (p) {
+		count += swap_count(p->swap_map[swp_offset(ent)]);
+		spin_unlock(&swap_lock);
+	}
+
+	*pagep = page;
+	return count;
+}
+#endif
+
 #ifdef CONFIG_HIBERNATION
 /*
  * Find the swap type that corresponds to given device (if any).
@@ -840,7 +871,8 @@ static int unuse_pte(struct vm_area_struct *vma, pmd_t *pmd,
 		goto out;
 	}
 
-	inc_mm_counter(vma->vm_mm, anon_rss);
+	dec_mm_counter(vma->vm_mm, MM_SWAPENTS);
+	inc_mm_counter(vma->vm_mm, MM_ANONPAGES);
 	get_page(page);
 	set_pte_at(vma->vm_mm, addr, pte,
 		   pte_mkold(mk_pte(page, vma->vm_page_prot)));
@@ -1759,11 +1791,11 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
 	unsigned int type;
 	int i, prev;
 	int error;
-	union swap_header *swap_header = NULL;
-	unsigned int nr_good_pages = 0;
+	union swap_header *swap_header;
+	unsigned int nr_good_pages;
 	int nr_extents = 0;
 	sector_t span;
-	unsigned long maxpages = 1;
+	unsigned long maxpages;
 	unsigned long swapfilepages;
 	unsigned char *swap_map = NULL;
 	struct page *page = NULL;
@@ -1922,9 +1954,13 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
 	 * swap pte.
 	 */
 	maxpages = swp_offset(pte_to_swp_entry(
-			swp_entry_to_pte(swp_entry(0, ~0UL)))) - 1;
-	if (maxpages > swap_header->info.last_page)
-		maxpages = swap_header->info.last_page;
+			swp_entry_to_pte(swp_entry(0, ~0UL)))) + 1;
+	if (maxpages > swap_header->info.last_page) {
+		maxpages = swap_header->info.last_page + 1;
+		/* p->max is an unsigned int: don't overflow it */
+		if ((unsigned int)maxpages == 0)
+			maxpages = UINT_MAX;
+	}
 	p->highest_bit = maxpages - 1;
 
 	error = -EINVAL;
@@ -1948,23 +1984,24 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags)
 	}
 
 	memset(swap_map, 0, maxpages);
+	nr_good_pages = maxpages - 1;	/* omit header page */
+
 	for (i = 0; i < swap_header->info.nr_badpages; i++) {
-		int page_nr = swap_header->info.badpages[i];
-		if (page_nr <= 0 || page_nr >= swap_header->info.last_page) {
+		unsigned int page_nr = swap_header->info.badpages[i];
+		if (page_nr == 0 || page_nr > swap_header->info.last_page) {
 			error = -EINVAL;
 			goto bad_swap;
 		}
-		swap_map[page_nr] = SWAP_MAP_BAD;
+		if (page_nr < maxpages) {
+			swap_map[page_nr] = SWAP_MAP_BAD;
+			nr_good_pages--;
+		}
 	}
 
 	error = swap_cgroup_swapon(type, maxpages);
 	if (error)
 		goto bad_swap;
 
-	nr_good_pages = swap_header->info.last_page -
-			swap_header->info.nr_badpages -
-			1 /* header page */;
-
 	if (nr_good_pages) {
 		swap_map[0] = SWAP_MAP_BAD;
 		p->max = maxpages;
@@ -2155,7 +2192,11 @@ void swap_shmem_alloc(swp_entry_t entry)
 }
 
 /*
- * increase reference count of swap entry by 1.
+ * Increase reference count of swap entry by 1.
+ * Returns 0 for success, or -ENOMEM if a swap_count_continuation is required
+ * but could not be atomically allocated.  Returns 0, just as if it succeeded,
+ * if __swap_duplicate() fails for another reason (-EINVAL or -ENOENT), which
+ * might occur if a page table entry has got corrupted.
  */
 int swap_duplicate(swp_entry_t entry)
 {
diff --git a/mm/vmscan.c b/mm/vmscan.c
index c26986c85ce0..79c809895fba 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -262,27 +262,6 @@ unsigned long shrink_slab(unsigned long scanned, gfp_t gfp_mask,
 	return ret;
 }
 
-/* Called without lock on whether page is mapped, so answer is unstable */
-static inline int page_mapping_inuse(struct page *page)
-{
-	struct address_space *mapping;
-
-	/* Page is in somebody's page tables. */
-	if (page_mapped(page))
-		return 1;
-
-	/* Be more reluctant to reclaim swapcache than pagecache */
-	if (PageSwapCache(page))
-		return 1;
-
-	mapping = page_mapping(page);
-	if (!mapping)
-		return 0;
-
-	/* File is mmap'd by somebody? */
-	return mapping_mapped(mapping);
-}
-
 static inline int is_page_cache_freeable(struct page *page)
 {
 	/*
@@ -579,6 +558,65 @@ redo:
 	put_page(page);		/* drop ref from isolate */
 }
 
+enum page_references {
+	PAGEREF_RECLAIM,
+	PAGEREF_RECLAIM_CLEAN,
+	PAGEREF_KEEP,
+	PAGEREF_ACTIVATE,
+};
+
+static enum page_references page_check_references(struct page *page,
+						  struct scan_control *sc)
+{
+	int referenced_ptes, referenced_page;
+	unsigned long vm_flags;
+
+	referenced_ptes = page_referenced(page, 1, sc->mem_cgroup, &vm_flags);
+	referenced_page = TestClearPageReferenced(page);
+
+	/* Lumpy reclaim - ignore references */
+	if (sc->order > PAGE_ALLOC_COSTLY_ORDER)
+		return PAGEREF_RECLAIM;
+
+	/*
+	 * Mlock lost the isolation race with us.  Let try_to_unmap()
+	 * move the page to the unevictable list.
+	 */
+	if (vm_flags & VM_LOCKED)
+		return PAGEREF_RECLAIM;
+
+	if (referenced_ptes) {
+		if (PageAnon(page))
+			return PAGEREF_ACTIVATE;
+		/*
+		 * All mapped pages start out with page table
+		 * references from the instantiating fault, so we need
+		 * to look twice if a mapped file page is used more
+		 * than once.
+		 *
+		 * Mark it and spare it for another trip around the
+		 * inactive list.  Another page table reference will
+		 * lead to its activation.
+		 *
+		 * Note: the mark is set for activated pages as well
+		 * so that recently deactivated but used pages are
+		 * quickly recovered.
+		 */
+		SetPageReferenced(page);
+
+		if (referenced_page)
+			return PAGEREF_ACTIVATE;
+
+		return PAGEREF_KEEP;
+	}
+
+	/* Reclaim if clean, defer dirty pages to writeback */
+	if (referenced_page)
+		return PAGEREF_RECLAIM_CLEAN;
+
+	return PAGEREF_RECLAIM;
+}
+
 /*
  * shrink_page_list() returns the number of reclaimed pages
  */
@@ -590,16 +628,15 @@ static unsigned long shrink_page_list(struct list_head *page_list,
 	struct pagevec freed_pvec;
 	int pgactivate = 0;
 	unsigned long nr_reclaimed = 0;
-	unsigned long vm_flags;
 
 	cond_resched();
 
 	pagevec_init(&freed_pvec, 1);
 	while (!list_empty(page_list)) {
+		enum page_references references;
 		struct address_space *mapping;
 		struct page *page;
 		int may_enter_fs;
-		int referenced;
 
 		cond_resched();
 
@@ -641,17 +678,16 @@ static unsigned long shrink_page_list(struct list_head *page_list,
 				goto keep_locked;
 		}
 
-		referenced = page_referenced(page, 1,
-						sc->mem_cgroup, &vm_flags);
-		/*
-		 * In active use or really unfreeable?  Activate it.
-		 * If page which have PG_mlocked lost isoltation race,
-		 * try_to_unmap moves it to unevictable list
-		 */
-		if (sc->order <= PAGE_ALLOC_COSTLY_ORDER &&
-					referenced && page_mapping_inuse(page)
-					&& !(vm_flags & VM_LOCKED))
+		references = page_check_references(page, sc);
+		switch (references) {
+		case PAGEREF_ACTIVATE:
 			goto activate_locked;
+		case PAGEREF_KEEP:
+			goto keep_locked;
+		case PAGEREF_RECLAIM:
+		case PAGEREF_RECLAIM_CLEAN:
+			; /* try to reclaim the page below */
+		}
 
 		/*
 		 * Anonymous process memory has backing store?
@@ -685,7 +721,7 @@ static unsigned long shrink_page_list(struct list_head *page_list,
 		}
 
 		if (PageDirty(page)) {
-			if (sc->order <= PAGE_ALLOC_COSTLY_ORDER && referenced)
+			if (references == PAGEREF_RECLAIM_CLEAN)
 				goto keep_locked;
 			if (!may_enter_fs)
 				goto keep_locked;
@@ -1350,9 +1386,7 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone,
 			continue;
 		}
 
-		/* page_referenced clears PageReferenced */
-		if (page_mapping_inuse(page) &&
-		    page_referenced(page, 0, sc->mem_cgroup, &vm_flags)) {
+		if (page_referenced(page, 0, sc->mem_cgroup, &vm_flags)) {
 			nr_rotated++;
 			/*
 			 * Identify referenced, file-backed active pages and
@@ -1501,6 +1535,13 @@ static void get_scan_ratio(struct zone *zone, struct scan_control *sc,
 	unsigned long ap, fp;
 	struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(zone, sc);
 
+	/* If we have no swap space, do not bother scanning anon pages. */
+	if (!sc->may_swap || (nr_swap_pages <= 0)) {
+		percent[0] = 0;
+		percent[1] = 100;
+		return;
+	}
+
 	anon  = zone_nr_lru_pages(zone, sc, LRU_ACTIVE_ANON) +
 		zone_nr_lru_pages(zone, sc, LRU_INACTIVE_ANON);
 	file  = zone_nr_lru_pages(zone, sc, LRU_ACTIVE_FILE) +
@@ -1598,22 +1639,20 @@ static void shrink_zone(int priority, struct zone *zone,
 	unsigned long nr_reclaimed = sc->nr_reclaimed;
 	unsigned long nr_to_reclaim = sc->nr_to_reclaim;
 	struct zone_reclaim_stat *reclaim_stat = get_reclaim_stat(zone, sc);
-	int noswap = 0;
 
-	/* If we have no swap space, do not bother scanning anon pages. */
-	if (!sc->may_swap || (nr_swap_pages <= 0)) {
-		noswap = 1;
-		percent[0] = 0;
-		percent[1] = 100;
-	} else
-		get_scan_ratio(zone, sc, percent);
+	get_scan_ratio(zone, sc, percent);
 
 	for_each_evictable_lru(l) {
 		int file = is_file_lru(l);
 		unsigned long scan;
 
+		if (percent[file] == 0) {
+			nr[l] = 0;
+			continue;
+		}
+
 		scan = zone_nr_lru_pages(zone, sc, l);
-		if (priority || noswap) {
+		if (priority) {
 			scan >>= priority;
 			scan = (scan * percent[file]) / 100;
 		}
@@ -1694,8 +1733,7 @@ static void shrink_zones(int priority, struct zonelist *zonelist,
 				continue;
 			note_zone_scanning_priority(zone, priority);
 
-			if (zone_is_all_unreclaimable(zone) &&
-						priority != DEF_PRIORITY)
+			if (zone->all_unreclaimable && priority != DEF_PRIORITY)
 				continue;	/* Let kswapd poll it */
 			sc->all_unreclaimable = 0;
 		} else {
@@ -1922,7 +1960,7 @@ static int sleeping_prematurely(pg_data_t *pgdat, int order, long remaining)
 		if (!populated_zone(zone))
 			continue;
 
-		if (zone_is_all_unreclaimable(zone))
+		if (zone->all_unreclaimable)
 			continue;
 
 		if (!zone_watermark_ok(zone, order, high_wmark_pages(zone),
@@ -2012,8 +2050,7 @@ loop_again:
 			if (!populated_zone(zone))
 				continue;
 
-			if (zone_is_all_unreclaimable(zone) &&
-			    priority != DEF_PRIORITY)
+			if (zone->all_unreclaimable && priority != DEF_PRIORITY)
 				continue;
 
 			/*
@@ -2056,13 +2093,9 @@ loop_again:
 			if (!populated_zone(zone))
 				continue;
 
-			if (zone_is_all_unreclaimable(zone) &&
-					priority != DEF_PRIORITY)
+			if (zone->all_unreclaimable && priority != DEF_PRIORITY)
 				continue;
 
-			if (!zone_watermark_ok(zone, order,
-					high_wmark_pages(zone), end_zone, 0))
-				all_zones_ok = 0;
 			temp_priority[i] = priority;
 			sc.nr_scanned = 0;
 			note_zone_scanning_priority(zone, priority);
@@ -2087,12 +2120,11 @@ loop_again:
 						lru_pages);
 			sc.nr_reclaimed += reclaim_state->reclaimed_slab;
 			total_scanned += sc.nr_scanned;
-			if (zone_is_all_unreclaimable(zone))
+			if (zone->all_unreclaimable)
 				continue;
-			if (nr_slab == 0 && zone->pages_scanned >=
-					(zone_reclaimable_pages(zone) * 6))
-					zone_set_flag(zone,
-						      ZONE_ALL_UNRECLAIMABLE);
+			if (nr_slab == 0 &&
+			    zone->pages_scanned >= (zone_reclaimable_pages(zone) * 6))
+				zone->all_unreclaimable = 1;
 			/*
 			 * If we've done a decent amount of scanning and
 			 * the reclaim ratio is low, start doing writepage
@@ -2102,13 +2134,18 @@ loop_again:
 			    total_scanned > sc.nr_reclaimed + sc.nr_reclaimed / 2)
 				sc.may_writepage = 1;
 
-			/*
-			 * We are still under min water mark. it mean we have
-			 * GFP_ATOMIC allocation failure risk. Hurry up!
-			 */
-			if (!zone_watermark_ok(zone, order, min_wmark_pages(zone),
-					      end_zone, 0))
-				has_under_min_watermark_zone = 1;
+			if (!zone_watermark_ok(zone, order,
+					high_wmark_pages(zone), end_zone, 0)) {
+				all_zones_ok = 0;
+				/*
+				 * We are still under min water mark.  This
+				 * means that we have a GFP_ATOMIC allocation
+				 * failure risk. Hurry up!
+				 */
+				if (!zone_watermark_ok(zone, order,
+					    min_wmark_pages(zone), end_zone, 0))
+					has_under_min_watermark_zone = 1;
+			}
 
 		}
 		if (all_zones_ok)
@@ -2550,6 +2587,7 @@ static int __zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
 	 * and RECLAIM_SWAP.
 	 */
 	p->flags |= PF_MEMALLOC | PF_SWAPWRITE;
+	lockdep_set_current_reclaim_state(gfp_mask);
 	reclaim_state.reclaimed_slab = 0;
 	p->reclaim_state = &reclaim_state;
 
@@ -2593,6 +2631,7 @@ static int __zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
 
 	p->reclaim_state = NULL;
 	current->flags &= ~(PF_MEMALLOC | PF_SWAPWRITE);
+	lockdep_clear_current_reclaim_state();
 	return sc.nr_reclaimed >= nr_pages;
 }
 
@@ -2615,7 +2654,7 @@ int zone_reclaim(struct zone *zone, gfp_t gfp_mask, unsigned int order)
 	    zone_page_state(zone, NR_SLAB_RECLAIMABLE) <= zone->min_slab_pages)
 		return ZONE_RECLAIM_FULL;
 
-	if (zone_is_all_unreclaimable(zone))
+	if (zone->all_unreclaimable)
 		return ZONE_RECLAIM_FULL;
 
 	/*
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 6051fbab67ba..7f760cbc73f3 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -139,7 +139,8 @@ static void refresh_zone_stat_thresholds(void)
 		threshold = calculate_threshold(zone);
 
 		for_each_online_cpu(cpu)
-			zone_pcp(zone, cpu)->stat_threshold = threshold;
+			per_cpu_ptr(zone->pageset, cpu)->stat_threshold
+							= threshold;
 	}
 }
 
@@ -149,7 +150,8 @@ static void refresh_zone_stat_thresholds(void)
 void __mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
 				int delta)
 {
-	struct per_cpu_pageset *pcp = zone_pcp(zone, smp_processor_id());
+	struct per_cpu_pageset *pcp = this_cpu_ptr(zone->pageset);
+
 	s8 *p = pcp->vm_stat_diff + item;
 	long x;
 
@@ -202,7 +204,7 @@ EXPORT_SYMBOL(mod_zone_page_state);
  */
 void __inc_zone_state(struct zone *zone, enum zone_stat_item item)
 {
-	struct per_cpu_pageset *pcp = zone_pcp(zone, smp_processor_id());
+	struct per_cpu_pageset *pcp = this_cpu_ptr(zone->pageset);
 	s8 *p = pcp->vm_stat_diff + item;
 
 	(*p)++;
@@ -223,7 +225,7 @@ EXPORT_SYMBOL(__inc_zone_page_state);
 
 void __dec_zone_state(struct zone *zone, enum zone_stat_item item)
 {
-	struct per_cpu_pageset *pcp = zone_pcp(zone, smp_processor_id());
+	struct per_cpu_pageset *pcp = this_cpu_ptr(zone->pageset);
 	s8 *p = pcp->vm_stat_diff + item;
 
 	(*p)--;
@@ -300,7 +302,7 @@ void refresh_cpu_vm_stats(int cpu)
 	for_each_populated_zone(zone) {
 		struct per_cpu_pageset *p;
 
-		p = zone_pcp(zone, cpu);
+		p = per_cpu_ptr(zone->pageset, cpu);
 
 		for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++)
 			if (p->vm_stat_diff[i]) {
@@ -741,7 +743,7 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
 	for_each_online_cpu(i) {
 		struct per_cpu_pageset *pageset;
 
-		pageset = zone_pcp(zone, i);
+		pageset = per_cpu_ptr(zone->pageset, i);
 		seq_printf(m,
 			   "\n    cpu: %i"
 			   "\n              count: %i"
@@ -761,7 +763,7 @@ static void zoneinfo_show_print(struct seq_file *m, pg_data_t *pgdat,
 		   "\n  prev_priority:     %i"
 		   "\n  start_pfn:         %lu"
 		   "\n  inactive_ratio:    %u",
-			   zone_is_all_unreclaimable(zone),
+		   zone->all_unreclaimable,
 		   zone->prev_priority,
 		   zone->zone_start_pfn,
 		   zone->inactive_ratio);
@@ -906,6 +908,7 @@ static int __cpuinit vmstat_cpuup_callback(struct notifier_block *nfb,
 	case CPU_ONLINE:
 	case CPU_ONLINE_FROZEN:
 		start_cpu_timer(cpu);
+		node_set_state(cpu_to_node(cpu), N_CPU);
 		break;
 	case CPU_DOWN_PREPARE:
 	case CPU_DOWN_PREPARE_FROZEN:
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 453512266ea1..db783d7af5a3 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -378,6 +378,8 @@ static void vlan_transfer_features(struct net_device *dev,
 #if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
 	vlandev->fcoe_ddp_xid = dev->fcoe_ddp_xid;
 #endif
+	vlandev->real_num_tx_queues = dev->real_num_tx_queues;
+	BUG_ON(vlandev->real_num_tx_queues > vlandev->num_tx_queues);
 
 	if (old_features != vlandev->features)
 		netdev_features_change(vlandev);
diff --git a/net/8021q/vlan_core.c b/net/8021q/vlan_core.c
index c0316e0ca6e8..c584a0af77d3 100644
--- a/net/8021q/vlan_core.c
+++ b/net/8021q/vlan_core.c
@@ -11,7 +11,7 @@ int __vlan_hwaccel_rx(struct sk_buff *skb, struct vlan_group *grp,
 	if (netpoll_rx(skb))
 		return NET_RX_DROP;
 
-	if (skb_bond_should_drop(skb))
+	if (skb_bond_should_drop(skb, ACCESS_ONCE(skb->dev->master)))
 		goto drop;
 
 	skb->skb_iif = skb->dev->ifindex;
@@ -83,7 +83,7 @@ vlan_gro_common(struct napi_struct *napi, struct vlan_group *grp,
 {
 	struct sk_buff *p;
 
-	if (skb_bond_should_drop(skb))
+	if (skb_bond_should_drop(skb, ACCESS_ONCE(skb->dev->master)))
 		goto drop;
 
 	skb->skb_iif = skb->dev->ifindex;
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 9e83272fc5b0..2fd057c81bbf 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -361,6 +361,14 @@ static netdev_tx_t vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb,
 	return ret;
 }
 
+static u16 vlan_dev_select_queue(struct net_device *dev, struct sk_buff *skb)
+{
+	struct net_device *rdev = vlan_dev_info(dev)->real_dev;
+	const struct net_device_ops *ops = rdev->netdev_ops;
+
+	return ops->ndo_select_queue(rdev, skb);
+}
+
 static int vlan_dev_change_mtu(struct net_device *dev, int new_mtu)
 {
 	/* TODO: gotta make sure the underlying layer can handle it,
@@ -688,7 +696,8 @@ static const struct header_ops vlan_header_ops = {
 	.parse	 = eth_header_parse,
 };
 
-static const struct net_device_ops vlan_netdev_ops, vlan_netdev_accel_ops;
+static const struct net_device_ops vlan_netdev_ops, vlan_netdev_accel_ops,
+		    vlan_netdev_ops_sq, vlan_netdev_accel_ops_sq;
 
 static int vlan_dev_init(struct net_device *dev)
 {
@@ -722,11 +731,17 @@ static int vlan_dev_init(struct net_device *dev)
 	if (real_dev->features & NETIF_F_HW_VLAN_TX) {
 		dev->header_ops      = real_dev->header_ops;
 		dev->hard_header_len = real_dev->hard_header_len;
-		dev->netdev_ops         = &vlan_netdev_accel_ops;
+		if (real_dev->netdev_ops->ndo_select_queue)
+			dev->netdev_ops = &vlan_netdev_accel_ops_sq;
+		else
+			dev->netdev_ops = &vlan_netdev_accel_ops;
 	} else {
 		dev->header_ops      = &vlan_header_ops;
 		dev->hard_header_len = real_dev->hard_header_len + VLAN_HLEN;
-		dev->netdev_ops         = &vlan_netdev_ops;
+		if (real_dev->netdev_ops->ndo_select_queue)
+			dev->netdev_ops = &vlan_netdev_ops_sq;
+		else
+			dev->netdev_ops = &vlan_netdev_ops;
 	}
 
 	if (is_vlan_dev(real_dev))
@@ -865,6 +880,56 @@ static const struct net_device_ops vlan_netdev_accel_ops = {
 #endif
 };
 
+static const struct net_device_ops vlan_netdev_ops_sq = {
+	.ndo_select_queue	= vlan_dev_select_queue,
+	.ndo_change_mtu		= vlan_dev_change_mtu,
+	.ndo_init		= vlan_dev_init,
+	.ndo_uninit		= vlan_dev_uninit,
+	.ndo_open		= vlan_dev_open,
+	.ndo_stop		= vlan_dev_stop,
+	.ndo_start_xmit =  vlan_dev_hard_start_xmit,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_set_mac_address	= vlan_dev_set_mac_address,
+	.ndo_set_rx_mode	= vlan_dev_set_rx_mode,
+	.ndo_set_multicast_list	= vlan_dev_set_rx_mode,
+	.ndo_change_rx_flags	= vlan_dev_change_rx_flags,
+	.ndo_do_ioctl		= vlan_dev_ioctl,
+	.ndo_neigh_setup	= vlan_dev_neigh_setup,
+	.ndo_get_stats		= vlan_dev_get_stats,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+	.ndo_fcoe_ddp_setup	= vlan_dev_fcoe_ddp_setup,
+	.ndo_fcoe_ddp_done	= vlan_dev_fcoe_ddp_done,
+	.ndo_fcoe_enable	= vlan_dev_fcoe_enable,
+	.ndo_fcoe_disable	= vlan_dev_fcoe_disable,
+	.ndo_fcoe_get_wwn	= vlan_dev_fcoe_get_wwn,
+#endif
+};
+
+static const struct net_device_ops vlan_netdev_accel_ops_sq = {
+	.ndo_select_queue	= vlan_dev_select_queue,
+	.ndo_change_mtu		= vlan_dev_change_mtu,
+	.ndo_init		= vlan_dev_init,
+	.ndo_uninit		= vlan_dev_uninit,
+	.ndo_open		= vlan_dev_open,
+	.ndo_stop		= vlan_dev_stop,
+	.ndo_start_xmit =  vlan_dev_hwaccel_hard_start_xmit,
+	.ndo_validate_addr	= eth_validate_addr,
+	.ndo_set_mac_address	= vlan_dev_set_mac_address,
+	.ndo_set_rx_mode	= vlan_dev_set_rx_mode,
+	.ndo_set_multicast_list	= vlan_dev_set_rx_mode,
+	.ndo_change_rx_flags	= vlan_dev_change_rx_flags,
+	.ndo_do_ioctl		= vlan_dev_ioctl,
+	.ndo_neigh_setup	= vlan_dev_neigh_setup,
+	.ndo_get_stats		= vlan_dev_get_stats,
+#if defined(CONFIG_FCOE) || defined(CONFIG_FCOE_MODULE)
+	.ndo_fcoe_ddp_setup	= vlan_dev_fcoe_ddp_setup,
+	.ndo_fcoe_ddp_done	= vlan_dev_fcoe_ddp_done,
+	.ndo_fcoe_enable	= vlan_dev_fcoe_enable,
+	.ndo_fcoe_disable	= vlan_dev_fcoe_disable,
+	.ndo_fcoe_get_wwn	= vlan_dev_fcoe_get_wwn,
+#endif
+};
+
 void vlan_setup(struct net_device *dev)
 {
 	ether_setup(dev);
diff --git a/net/9p/client.c b/net/9p/client.c
index 09d4f1e2e4a8..e3e5bf4469ce 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -46,6 +46,7 @@ enum {
 	Opt_msize,
 	Opt_trans,
 	Opt_legacy,
+	Opt_version,
 	Opt_err,
 };
 
@@ -53,9 +54,42 @@ static const match_table_t tokens = {
 	{Opt_msize, "msize=%u"},
 	{Opt_legacy, "noextend"},
 	{Opt_trans, "trans=%s"},
+	{Opt_version, "version=%s"},
 	{Opt_err, NULL},
 };
 
+inline int p9_is_proto_dotl(struct p9_client *clnt)
+{
+	return (clnt->proto_version == p9_proto_2000L);
+}
+EXPORT_SYMBOL(p9_is_proto_dotl);
+
+inline int p9_is_proto_dotu(struct p9_client *clnt)
+{
+	return (clnt->proto_version == p9_proto_2000u);
+}
+EXPORT_SYMBOL(p9_is_proto_dotu);
+
+/* Interpret mount option for protocol version */
+static unsigned char get_protocol_version(const substring_t *name)
+{
+	unsigned char version = -EINVAL;
+	if (!strncmp("9p2000", name->from, name->to-name->from)) {
+		version = p9_proto_legacy;
+		P9_DPRINTK(P9_DEBUG_9P, "Protocol version: Legacy\n");
+	} else if (!strncmp("9p2000.u", name->from, name->to-name->from)) {
+		version = p9_proto_2000u;
+		P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.u\n");
+	} else if (!strncmp("9p2000.L", name->from, name->to-name->from)) {
+		version = p9_proto_2000L;
+		P9_DPRINTK(P9_DEBUG_9P, "Protocol version: 9P2000.L\n");
+	} else {
+		P9_DPRINTK(P9_DEBUG_ERROR, "Unknown protocol version %s. ",
+							name->from);
+	}
+	return version;
+}
+
 static struct p9_req_t *
 p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...);
 
@@ -75,7 +109,7 @@ static int parse_opts(char *opts, struct p9_client *clnt)
 	int option;
 	int ret = 0;
 
-	clnt->dotu = 1;
+	clnt->proto_version = p9_proto_2000u;
 	clnt->msize = 8192;
 
 	if (!opts)
@@ -118,7 +152,13 @@ static int parse_opts(char *opts, struct p9_client *clnt)
 			}
 			break;
 		case Opt_legacy:
-			clnt->dotu = 0;
+			clnt->proto_version = p9_proto_legacy;
+			break;
+		case Opt_version:
+			ret = get_protocol_version(&args[0]);
+			if (ret == -EINVAL)
+				goto free_and_return;
+			clnt->proto_version = ret;
 			break;
 		default:
 			continue;
@@ -410,14 +450,15 @@ static int p9_check_errors(struct p9_client *c, struct p9_req_t *req)
 		int ecode;
 		char *ename;
 
-		err = p9pdu_readf(req->rc, c->dotu, "s?d", &ename, &ecode);
+		err = p9pdu_readf(req->rc, c->proto_version, "s?d",
+							&ename, &ecode);
 		if (err) {
 			P9_DPRINTK(P9_DEBUG_ERROR, "couldn't parse error%d\n",
 									err);
 			return err;
 		}
 
-		if (c->dotu)
+		if (p9_is_proto_dotu(c))
 			err = -ecode;
 
 		if (!err || !IS_ERR_VALUE(err))
@@ -515,7 +556,7 @@ p9_client_rpc(struct p9_client *c, int8_t type, const char *fmt, ...)
 	/* marshall the data */
 	p9pdu_prepare(req->tc, tag, type);
 	va_start(ap, fmt);
-	err = p9pdu_vwritef(req->tc, c->dotu, fmt, ap);
+	err = p9pdu_vwritef(req->tc, c->proto_version, fmt, ap);
 	va_end(ap);
 	p9pdu_finalize(req->tc);
 
@@ -627,14 +668,31 @@ int p9_client_version(struct p9_client *c)
 	char *version;
 	int msize;
 
-	P9_DPRINTK(P9_DEBUG_9P, ">>> TVERSION msize %d extended %d\n",
-							c->msize, c->dotu);
-	req = p9_client_rpc(c, P9_TVERSION, "ds", c->msize,
-				c->dotu ? "9P2000.u" : "9P2000");
+	P9_DPRINTK(P9_DEBUG_9P, ">>> TVERSION msize %d protocol %d\n",
+						c->msize, c->proto_version);
+
+	switch (c->proto_version) {
+	case p9_proto_2000L:
+		req = p9_client_rpc(c, P9_TVERSION, "ds",
+					c->msize, "9P2000.L");
+		break;
+	case p9_proto_2000u:
+		req = p9_client_rpc(c, P9_TVERSION, "ds",
+					c->msize, "9P2000.u");
+		break;
+	case p9_proto_legacy:
+		req = p9_client_rpc(c, P9_TVERSION, "ds",
+					c->msize, "9P2000");
+		break;
+	default:
+		return -EINVAL;
+		break;
+	}
+
 	if (IS_ERR(req))
 		return PTR_ERR(req);
 
-	err = p9pdu_readf(req->rc, c->dotu, "ds", &msize, &version);
+	err = p9pdu_readf(req->rc, c->proto_version, "ds", &msize, &version);
 	if (err) {
 		P9_DPRINTK(P9_DEBUG_9P, "version error %d\n", err);
 		p9pdu_dump(1, req->rc);
@@ -642,10 +700,12 @@ int p9_client_version(struct p9_client *c)
 	}
 
 	P9_DPRINTK(P9_DEBUG_9P, "<<< RVERSION msize %d %s\n", msize, version);
-	if (!memcmp(version, "9P2000.u", 8))
-		c->dotu = 1;
-	else if (!memcmp(version, "9P2000", 6))
-		c->dotu = 0;
+	if (!strncmp(version, "9P2000.L", 8))
+		c->proto_version = p9_proto_2000L;
+	else if (!strncmp(version, "9P2000.u", 8))
+		c->proto_version = p9_proto_2000u;
+	else if (!strncmp(version, "9P2000", 6))
+		c->proto_version = p9_proto_legacy;
 	else {
 		err = -EREMOTEIO;
 		goto error;
@@ -700,8 +760,8 @@ struct p9_client *p9_client_create(const char *dev_name, char *options)
 		goto put_trans;
 	}
 
-	P9_DPRINTK(P9_DEBUG_MUX, "clnt %p trans %p msize %d dotu %d\n",
-		clnt, clnt->trans_mod, clnt->msize, clnt->dotu);
+	P9_DPRINTK(P9_DEBUG_MUX, "clnt %p trans %p msize %d protocol %d\n",
+		clnt, clnt->trans_mod, clnt->msize, clnt->proto_version);
 
 	err = clnt->trans_mod->create(clnt, dev_name, options);
 	if (err)
@@ -784,7 +844,7 @@ struct p9_fid *p9_client_attach(struct p9_client *clnt, struct p9_fid *afid,
 		goto error;
 	}
 
-	err = p9pdu_readf(req->rc, clnt->dotu, "Q", &qid);
+	err = p9pdu_readf(req->rc, clnt->proto_version, "Q", &qid);
 	if (err) {
 		p9pdu_dump(1, req->rc);
 		p9_free_req(clnt, req);
@@ -833,7 +893,7 @@ p9_client_auth(struct p9_client *clnt, char *uname, u32 n_uname, char *aname)
 		goto error;
 	}
 
-	err = p9pdu_readf(req->rc, clnt->dotu, "Q", &qid);
+	err = p9pdu_readf(req->rc, clnt->proto_version, "Q", &qid);
 	if (err) {
 		p9pdu_dump(1, req->rc);
 		p9_free_req(clnt, req);
@@ -891,7 +951,7 @@ struct p9_fid *p9_client_walk(struct p9_fid *oldfid, int nwname, char **wnames,
 		goto error;
 	}
 
-	err = p9pdu_readf(req->rc, clnt->dotu, "R", &nwqids, &wqids);
+	err = p9pdu_readf(req->rc, clnt->proto_version, "R", &nwqids, &wqids);
 	if (err) {
 		p9pdu_dump(1, req->rc);
 		p9_free_req(clnt, req);
@@ -952,7 +1012,7 @@ int p9_client_open(struct p9_fid *fid, int mode)
 		goto error;
 	}
 
-	err = p9pdu_readf(req->rc, clnt->dotu, "Qd", &qid, &iounit);
+	err = p9pdu_readf(req->rc, clnt->proto_version, "Qd", &qid, &iounit);
 	if (err) {
 		p9pdu_dump(1, req->rc);
 		goto free_and_error;
@@ -997,7 +1057,7 @@ int p9_client_fcreate(struct p9_fid *fid, char *name, u32 perm, int mode,
 		goto error;
 	}
 
-	err = p9pdu_readf(req->rc, clnt->dotu, "Qd", &qid, &iounit);
+	err = p9pdu_readf(req->rc, clnt->proto_version, "Qd", &qid, &iounit);
 	if (err) {
 		p9pdu_dump(1, req->rc);
 		goto free_and_error;
@@ -1098,7 +1158,7 @@ p9_client_read(struct p9_fid *fid, char *data, char __user *udata, u64 offset,
 		goto error;
 	}
 
-	err = p9pdu_readf(req->rc, clnt->dotu, "D", &count, &dataptr);
+	err = p9pdu_readf(req->rc, clnt->proto_version, "D", &count, &dataptr);
 	if (err) {
 		p9pdu_dump(1, req->rc);
 		goto free_and_error;
@@ -1159,7 +1219,7 @@ p9_client_write(struct p9_fid *fid, char *data, const char __user *udata,
 		goto error;
 	}
 
-	err = p9pdu_readf(req->rc, clnt->dotu, "d", &count);
+	err = p9pdu_readf(req->rc, clnt->proto_version, "d", &count);
 	if (err) {
 		p9pdu_dump(1, req->rc);
 		goto free_and_error;
@@ -1199,7 +1259,7 @@ struct p9_wstat *p9_client_stat(struct p9_fid *fid)
 		goto error;
 	}
 
-	err = p9pdu_readf(req->rc, clnt->dotu, "wS", &ignored, ret);
+	err = p9pdu_readf(req->rc, clnt->proto_version, "wS", &ignored, ret);
 	if (err) {
 		p9pdu_dump(1, req->rc);
 		p9_free_req(clnt, req);
@@ -1226,7 +1286,7 @@ error:
 }
 EXPORT_SYMBOL(p9_client_stat);
 
-static int p9_client_statsize(struct p9_wstat *wst, int optional)
+static int p9_client_statsize(struct p9_wstat *wst, int proto_version)
 {
 	int ret;
 
@@ -1245,7 +1305,7 @@ static int p9_client_statsize(struct p9_wstat *wst, int optional)
 	if (wst->muid)
 		ret += strlen(wst->muid);
 
-	if (optional) {
+	if (proto_version == p9_proto_2000u) {
 		ret += 2+4+4+4;	/* extension[s] n_uid[4] n_gid[4] n_muid[4] */
 		if (wst->extension)
 			ret += strlen(wst->extension);
@@ -1262,7 +1322,7 @@ int p9_client_wstat(struct p9_fid *fid, struct p9_wstat *wst)
 
 	err = 0;
 	clnt = fid->clnt;
-	wst->size = p9_client_statsize(wst, clnt->dotu);
+	wst->size = p9_client_statsize(wst, clnt->proto_version);
 	P9_DPRINTK(P9_DEBUG_9P, ">>> TWSTAT fid %d\n", fid->fid);
 	P9_DPRINTK(P9_DEBUG_9P,
 		"     sz=%x type=%x dev=%x qid=%x.%llx.%x\n"
diff --git a/net/9p/protocol.c b/net/9p/protocol.c
index fc70147c771e..94f5a8f65e9c 100644
--- a/net/9p/protocol.c
+++ b/net/9p/protocol.c
@@ -52,7 +52,7 @@
 #endif
 
 static int
-p9pdu_writef(struct p9_fcall *pdu, int optional, const char *fmt, ...);
+p9pdu_writef(struct p9_fcall *pdu, int proto_version, const char *fmt, ...);
 
 #ifdef CONFIG_NET_9P_DEBUG
 void
@@ -144,7 +144,8 @@ pdu_write_u(struct p9_fcall *pdu, const char __user *udata, size_t size)
 */
 
 static int
-p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
+p9pdu_vreadf(struct p9_fcall *pdu, int proto_version, const char *fmt,
+	va_list ap)
 {
 	const char *ptr;
 	int errcode = 0;
@@ -194,7 +195,8 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				int16_t len;
 				int size;
 
-				errcode = p9pdu_readf(pdu, optional, "w", &len);
+				errcode = p9pdu_readf(pdu, proto_version,
+								"w", &len);
 				if (errcode)
 					break;
 
@@ -217,7 +219,7 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				struct p9_qid *qid =
 				    va_arg(ap, struct p9_qid *);
 
-				errcode = p9pdu_readf(pdu, optional, "bdq",
+				errcode = p9pdu_readf(pdu, proto_version, "bdq",
 						      &qid->type, &qid->version,
 						      &qid->path);
 			}
@@ -230,7 +232,7 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				stbuf->n_uid = stbuf->n_gid = stbuf->n_muid =
 									-1;
 				errcode =
-				    p9pdu_readf(pdu, optional,
+				    p9pdu_readf(pdu, proto_version,
 						"wwdQdddqssss?sddd",
 						&stbuf->size, &stbuf->type,
 						&stbuf->dev, &stbuf->qid,
@@ -250,7 +252,7 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				void **data = va_arg(ap, void **);
 
 				errcode =
-				    p9pdu_readf(pdu, optional, "d", count);
+				    p9pdu_readf(pdu, proto_version, "d", count);
 				if (!errcode) {
 					*count =
 					    MIN(*count,
@@ -263,8 +265,8 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				int16_t *nwname = va_arg(ap, int16_t *);
 				char ***wnames = va_arg(ap, char ***);
 
-				errcode =
-				    p9pdu_readf(pdu, optional, "w", nwname);
+				errcode = p9pdu_readf(pdu, proto_version,
+								"w", nwname);
 				if (!errcode) {
 					*wnames =
 					    kmalloc(sizeof(char *) * *nwname,
@@ -278,7 +280,8 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 
 					for (i = 0; i < *nwname; i++) {
 						errcode =
-						    p9pdu_readf(pdu, optional,
+						    p9pdu_readf(pdu,
+								proto_version,
 								"s",
 								&(*wnames)[i]);
 						if (errcode)
@@ -306,7 +309,7 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				*wqids = NULL;
 
 				errcode =
-				    p9pdu_readf(pdu, optional, "w", nwqid);
+				    p9pdu_readf(pdu, proto_version, "w", nwqid);
 				if (!errcode) {
 					*wqids =
 					    kmalloc(*nwqid *
@@ -321,7 +324,8 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 
 					for (i = 0; i < *nwqid; i++) {
 						errcode =
-						    p9pdu_readf(pdu, optional,
+						    p9pdu_readf(pdu,
+								proto_version,
 								"Q",
 								&(*wqids)[i]);
 						if (errcode)
@@ -336,7 +340,7 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 			}
 			break;
 		case '?':
-			if (!optional)
+			if (proto_version != p9_proto_2000u)
 				return 0;
 			break;
 		default:
@@ -352,7 +356,8 @@ p9pdu_vreadf(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 }
 
 int
-p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
+p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,
+	va_list ap)
 {
 	const char *ptr;
 	int errcode = 0;
@@ -389,7 +394,8 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				if (sptr)
 					len = MIN(strlen(sptr), USHORT_MAX);
 
-				errcode = p9pdu_writef(pdu, optional, "w", len);
+				errcode = p9pdu_writef(pdu, proto_version,
+								"w", len);
 				if (!errcode && pdu_write(pdu, sptr, len))
 					errcode = -EFAULT;
 			}
@@ -398,7 +404,7 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				const struct p9_qid *qid =
 				    va_arg(ap, const struct p9_qid *);
 				errcode =
-				    p9pdu_writef(pdu, optional, "bdq",
+				    p9pdu_writef(pdu, proto_version, "bdq",
 						 qid->type, qid->version,
 						 qid->path);
 			} break;
@@ -406,7 +412,7 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				const struct p9_wstat *stbuf =
 				    va_arg(ap, const struct p9_wstat *);
 				errcode =
-				    p9pdu_writef(pdu, optional,
+				    p9pdu_writef(pdu, proto_version,
 						 "wwdQdddqssss?sddd",
 						 stbuf->size, stbuf->type,
 						 stbuf->dev, &stbuf->qid,
@@ -421,8 +427,8 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				int32_t count = va_arg(ap, int32_t);
 				const void *data = va_arg(ap, const void *);
 
-				errcode =
-				    p9pdu_writef(pdu, optional, "d", count);
+				errcode = p9pdu_writef(pdu, proto_version, "d",
+									count);
 				if (!errcode && pdu_write(pdu, data, count))
 					errcode = -EFAULT;
 			}
@@ -431,8 +437,8 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				int32_t count = va_arg(ap, int32_t);
 				const char __user *udata =
 						va_arg(ap, const void __user *);
-				errcode =
-				    p9pdu_writef(pdu, optional, "d", count);
+				errcode = p9pdu_writef(pdu, proto_version, "d",
+									count);
 				if (!errcode && pdu_write_u(pdu, udata, count))
 					errcode = -EFAULT;
 			}
@@ -441,14 +447,15 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				int16_t nwname = va_arg(ap, int);
 				const char **wnames = va_arg(ap, const char **);
 
-				errcode =
-				    p9pdu_writef(pdu, optional, "w", nwname);
+				errcode = p9pdu_writef(pdu, proto_version, "w",
+									nwname);
 				if (!errcode) {
 					int i;
 
 					for (i = 0; i < nwname; i++) {
 						errcode =
-						    p9pdu_writef(pdu, optional,
+						    p9pdu_writef(pdu,
+								proto_version,
 								 "s",
 								 wnames[i]);
 						if (errcode)
@@ -462,14 +469,15 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 				struct p9_qid *wqids =
 				    va_arg(ap, struct p9_qid *);
 
-				errcode =
-				    p9pdu_writef(pdu, optional, "w", nwqid);
+				errcode = p9pdu_writef(pdu, proto_version, "w",
+									nwqid);
 				if (!errcode) {
 					int i;
 
 					for (i = 0; i < nwqid; i++) {
 						errcode =
-						    p9pdu_writef(pdu, optional,
+						    p9pdu_writef(pdu,
+								proto_version,
 								 "Q",
 								 &wqids[i]);
 						if (errcode)
@@ -479,7 +487,7 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 			}
 			break;
 		case '?':
-			if (!optional)
+			if (proto_version != p9_proto_2000u)
 				return 0;
 			break;
 		default:
@@ -494,32 +502,32 @@ p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap)
 	return errcode;
 }
 
-int p9pdu_readf(struct p9_fcall *pdu, int optional, const char *fmt, ...)
+int p9pdu_readf(struct p9_fcall *pdu, int proto_version, const char *fmt, ...)
 {
 	va_list ap;
 	int ret;
 
 	va_start(ap, fmt);
-	ret = p9pdu_vreadf(pdu, optional, fmt, ap);
+	ret = p9pdu_vreadf(pdu, proto_version, fmt, ap);
 	va_end(ap);
 
 	return ret;
 }
 
 static int
-p9pdu_writef(struct p9_fcall *pdu, int optional, const char *fmt, ...)
+p9pdu_writef(struct p9_fcall *pdu, int proto_version, const char *fmt, ...)
 {
 	va_list ap;
 	int ret;
 
 	va_start(ap, fmt);
-	ret = p9pdu_vwritef(pdu, optional, fmt, ap);
+	ret = p9pdu_vwritef(pdu, proto_version, fmt, ap);
 	va_end(ap);
 
 	return ret;
 }
 
-int p9stat_read(char *buf, int len, struct p9_wstat *st, int dotu)
+int p9stat_read(char *buf, int len, struct p9_wstat *st, int proto_version)
 {
 	struct p9_fcall fake_pdu;
 	int ret;
@@ -529,7 +537,7 @@ int p9stat_read(char *buf, int len, struct p9_wstat *st, int dotu)
 	fake_pdu.sdata = buf;
 	fake_pdu.offset = 0;
 
-	ret = p9pdu_readf(&fake_pdu, dotu, "S", st);
+	ret = p9pdu_readf(&fake_pdu, proto_version, "S", st);
 	if (ret) {
 		P9_DPRINTK(P9_DEBUG_9P, "<<< p9stat_read failed: %d\n", ret);
 		p9pdu_dump(1, &fake_pdu);
diff --git a/net/9p/protocol.h b/net/9p/protocol.h
index ccde462e7ac5..2431c0f38d56 100644
--- a/net/9p/protocol.h
+++ b/net/9p/protocol.h
@@ -25,9 +25,9 @@
  *
  */
 
-int
-p9pdu_vwritef(struct p9_fcall *pdu, int optional, const char *fmt, va_list ap);
-int p9pdu_readf(struct p9_fcall *pdu, int optional, const char *fmt, ...);
+int p9pdu_vwritef(struct p9_fcall *pdu, int proto_version, const char *fmt,
+								va_list ap);
+int p9pdu_readf(struct p9_fcall *pdu, int proto_version, const char *fmt, ...);
 int p9pdu_prepare(struct p9_fcall *pdu, int16_t tag, int8_t type);
 int p9pdu_finalize(struct p9_fcall *pdu);
 void p9pdu_dump(int, struct p9_fcall *);
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index cb50f4ae5eef..afde1a89fbb3 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -49,8 +49,6 @@
 
 /* a single mutex to manage channel initialization and attachment */
 static DEFINE_MUTEX(virtio_9p_lock);
-/* global which tracks highest initialized channel */
-static int chan_index;
 
 /**
  * struct virtio_chan - per-instance transport information
@@ -68,8 +66,7 @@ static int chan_index;
  *
  */
 
-static struct virtio_chan {
-	bool initialized;
+struct virtio_chan {
 	bool inuse;
 
 	spinlock_t lock;
@@ -80,7 +77,17 @@ static struct virtio_chan {
 
 	/* Scatterlist: can be too big for stack. */
 	struct scatterlist sg[VIRTQUEUE_NUM];
-} channels[MAX_9P_CHAN];
+
+	int tag_len;
+	/*
+	 * tag name to identify a mount Non-null terminated
+	 */
+	char *tag;
+
+	struct list_head chan_list;
+};
+
+static struct list_head virtio_chan_list;
 
 /* How many bytes left in this page. */
 static unsigned int rest_of_page(void *data)
@@ -213,30 +220,38 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req)
 	return 0;
 }
 
+static ssize_t p9_mount_tag_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct virtio_chan *chan;
+	struct virtio_device *vdev;
+
+	vdev = dev_to_virtio(dev);
+	chan = vdev->priv;
+
+	return snprintf(buf, chan->tag_len + 1, "%s", chan->tag);
+}
+
+static DEVICE_ATTR(mount_tag, 0444, p9_mount_tag_show, NULL);
+
 /**
  * p9_virtio_probe - probe for existence of 9P virtio channels
  * @vdev: virtio device to probe
  *
- * This probes for existing virtio channels.  At present only
- * a single channel is in use, so in the future more work may need
- * to be done here.
+ * This probes for existing virtio channels.
  *
  */
 
 static int p9_virtio_probe(struct virtio_device *vdev)
 {
+	__u16 tag_len;
+	char *tag;
 	int err;
 	struct virtio_chan *chan;
-	int index;
 
-	mutex_lock(&virtio_9p_lock);
-	index = chan_index++;
-	chan = &channels[index];
-	mutex_unlock(&virtio_9p_lock);
-
-	if (chan_index > MAX_9P_CHAN) {
-		printk(KERN_ERR "9p: virtio: Maximum channels exceeded\n");
-		BUG();
+	chan = kmalloc(sizeof(struct virtio_chan), GFP_KERNEL);
+	if (!chan) {
+		printk(KERN_ERR "9p: Failed to allocate virtio 9P channel\n");
 		err = -ENOMEM;
 		goto fail;
 	}
@@ -255,15 +270,37 @@ static int p9_virtio_probe(struct virtio_device *vdev)
 	sg_init_table(chan->sg, VIRTQUEUE_NUM);
 
 	chan->inuse = false;
-	chan->initialized = true;
+	if (virtio_has_feature(vdev, VIRTIO_9P_MOUNT_TAG)) {
+		vdev->config->get(vdev,
+				offsetof(struct virtio_9p_config, tag_len),
+				&tag_len, sizeof(tag_len));
+	} else {
+		err = -EINVAL;
+		goto out_free_vq;
+	}
+	tag = kmalloc(tag_len, GFP_KERNEL);
+	if (!tag) {
+		err = -ENOMEM;
+		goto out_free_vq;
+	}
+	vdev->config->get(vdev, offsetof(struct virtio_9p_config, tag),
+			tag, tag_len);
+	chan->tag = tag;
+	chan->tag_len = tag_len;
+	err = sysfs_create_file(&(vdev->dev.kobj), &dev_attr_mount_tag.attr);
+	if (err) {
+		kfree(tag);
+		goto out_free_vq;
+	}
+	mutex_lock(&virtio_9p_lock);
+	list_add_tail(&chan->chan_list, &virtio_chan_list);
+	mutex_unlock(&virtio_9p_lock);
 	return 0;
 
 out_free_vq:
 	vdev->config->del_vqs(vdev);
+	kfree(chan);
 fail:
-	mutex_lock(&virtio_9p_lock);
-	chan_index--;
-	mutex_unlock(&virtio_9p_lock);
 	return err;
 }
 
@@ -280,35 +317,31 @@ fail:
  * We use a simple reference count mechanism to ensure that only a single
  * mount has a channel open at a time.
  *
- * Bugs: doesn't allow identification of a specific channel
- * to allocate, channels are allocated sequentially. This was
- * a pragmatic decision to get things rolling, but ideally some
- * way of identifying the channel to attach to would be nice
- * if we are going to support multiple channels.
- *
  */
 
 static int
 p9_virtio_create(struct p9_client *client, const char *devname, char *args)
 {
-	struct virtio_chan *chan = channels;
-	int index = 0;
+	struct virtio_chan *chan;
+	int ret = -ENOENT;
+	int found = 0;
 
 	mutex_lock(&virtio_9p_lock);
-	while (index < MAX_9P_CHAN) {
-		if (chan->initialized && !chan->inuse) {
-			chan->inuse = true;
-			break;
-		} else {
-			index++;
-			chan = &channels[index];
+	list_for_each_entry(chan, &virtio_chan_list, chan_list) {
+		if (!strncmp(devname, chan->tag, chan->tag_len)) {
+			if (!chan->inuse) {
+				chan->inuse = true;
+				found = 1;
+				break;
+			}
+			ret = -EBUSY;
 		}
 	}
 	mutex_unlock(&virtio_9p_lock);
 
-	if (index >= MAX_9P_CHAN) {
+	if (!found) {
 		printk(KERN_ERR "9p: no channels available\n");
-		return -ENODEV;
+		return ret;
 	}
 
 	client->trans = (void *)chan;
@@ -329,11 +362,15 @@ static void p9_virtio_remove(struct virtio_device *vdev)
 	struct virtio_chan *chan = vdev->priv;
 
 	BUG_ON(chan->inuse);
+	vdev->config->del_vqs(vdev);
+
+	mutex_lock(&virtio_9p_lock);
+	list_del(&chan->chan_list);
+	mutex_unlock(&virtio_9p_lock);
+	sysfs_remove_file(&(vdev->dev.kobj), &dev_attr_mount_tag.attr);
+	kfree(chan->tag);
+	kfree(chan);
 
-	if (chan->initialized) {
-		vdev->config->del_vqs(vdev);
-		chan->initialized = false;
-	}
 }
 
 static struct virtio_device_id id_table[] = {
@@ -341,13 +378,19 @@ static struct virtio_device_id id_table[] = {
 	{ 0 },
 };
 
+static unsigned int features[] = {
+	VIRTIO_9P_MOUNT_TAG,
+};
+
 /* The standard "struct lguest_driver": */
 static struct virtio_driver p9_virtio_drv = {
-	.driver.name = 	KBUILD_MODNAME,
-	.driver.owner = THIS_MODULE,
-	.id_table =	id_table,
-	.probe = 	p9_virtio_probe,
-	.remove =	p9_virtio_remove,
+	.feature_table  = features,
+	.feature_table_size = ARRAY_SIZE(features),
+	.driver.name    = KBUILD_MODNAME,
+	.driver.owner	= THIS_MODULE,
+	.id_table	= id_table,
+	.probe		= p9_virtio_probe,
+	.remove		= p9_virtio_remove,
 };
 
 static struct p9_trans_module p9_virtio_trans = {
@@ -364,10 +407,7 @@ static struct p9_trans_module p9_virtio_trans = {
 /* The standard init function */
 static int __init p9_virtio_init(void)
 {
-	int count;
-
-	for (count = 0; count < MAX_9P_CHAN; count++)
-		channels[count].initialized = false;
+	INIT_LIST_HEAD(&virtio_chan_list);
 
 	v9fs_register_trans(&p9_virtio_trans);
 	return register_virtio_driver(&p9_virtio_drv);
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 1a79a6c7e30e..05fd125f74fe 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -3,12 +3,12 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/debugfs.h>
+#include <linux/seq_file.h>
 
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>
 
-struct class *bt_class = NULL;
-EXPORT_SYMBOL_GPL(bt_class);
+static struct class *bt_class;
 
 struct dentry *bt_debugfs = NULL;
 EXPORT_SYMBOL_GPL(bt_debugfs);
@@ -405,20 +405,11 @@ static struct device_type bt_host = {
 	.release = bt_host_release,
 };
 
-static int inquiry_cache_open(struct inode *inode, struct file *file)
-{
-	file->private_data = inode->i_private;
-	return 0;
-}
-
-static ssize_t inquiry_cache_read(struct file *file, char __user *userbuf,
-						size_t count, loff_t *ppos)
+static int inquiry_cache_show(struct seq_file *f, void *p)
 {
-	struct hci_dev *hdev = file->private_data;
+	struct hci_dev *hdev = f->private;
 	struct inquiry_cache *cache = &hdev->inq_cache;
 	struct inquiry_entry *e;
-	char buf[4096];
-	int n = 0;
 
 	hci_dev_lock_bh(hdev);
 
@@ -426,23 +417,30 @@ static ssize_t inquiry_cache_read(struct file *file, char __user *userbuf,
 		struct inquiry_data *data = &e->data;
 		bdaddr_t bdaddr;
 		baswap(&bdaddr, &data->bdaddr);
-		n += sprintf(buf + n, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n",
-				batostr(&bdaddr),
-				data->pscan_rep_mode, data->pscan_period_mode,
-				data->pscan_mode, data->dev_class[2],
-				data->dev_class[1], data->dev_class[0],
-				__le16_to_cpu(data->clock_offset),
-				data->rssi, data->ssp_mode, e->timestamp);
+		seq_printf(f, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n",
+			   batostr(&bdaddr),
+			   data->pscan_rep_mode, data->pscan_period_mode,
+			   data->pscan_mode, data->dev_class[2],
+			   data->dev_class[1], data->dev_class[0],
+			   __le16_to_cpu(data->clock_offset),
+			   data->rssi, data->ssp_mode, e->timestamp);
 	}
 
 	hci_dev_unlock_bh(hdev);
 
-	return simple_read_from_buffer(userbuf, count, ppos, buf, n);
+	return 0;
+}
+
+static int inquiry_cache_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, inquiry_cache_show, inode->i_private);
 }
 
 static const struct file_operations inquiry_cache_fops = {
-	.open = inquiry_cache_open,
-	.read = inquiry_cache_read,
+	.open		= inquiry_cache_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
 };
 
 int hci_register_sysfs(struct hci_dev *hdev)
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 400efa26ddba..7794a2e2adce 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -40,6 +40,8 @@
 #include <linux/skbuff.h>
 #include <linux/list.h>
 #include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
 #include <linux/uaccess.h>
 #include <linux/crc16.h>
 #include <net/sock.h>
@@ -2830,6 +2832,11 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr
 			int len = cmd->len - sizeof(*rsp);
 			char req[64];
 
+			if (len > sizeof(req) - sizeof(struct l2cap_conf_req)) {
+				l2cap_send_disconn_req(conn, sk);
+				goto done;
+			}
+
 			/* throw out any old stored conf requests */
 			result = L2CAP_CONF_SUCCESS;
 			len = l2cap_parse_conf_rsp(sk, rsp->data,
@@ -3937,29 +3944,42 @@ drop:
 	return 0;
 }
 
-static ssize_t l2cap_sysfs_show(struct class *dev, char *buf)
+static int l2cap_debugfs_show(struct seq_file *f, void *p)
 {
 	struct sock *sk;
 	struct hlist_node *node;
-	char *str = buf;
 
 	read_lock_bh(&l2cap_sk_list.lock);
 
 	sk_for_each(sk, node, &l2cap_sk_list.head) {
 		struct l2cap_pinfo *pi = l2cap_pi(sk);
 
-		str += sprintf(str, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d\n",
-				batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
-				sk->sk_state, __le16_to_cpu(pi->psm), pi->scid,
-				pi->dcid, pi->imtu, pi->omtu, pi->sec_level);
+		seq_printf(f, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d\n",
+					batostr(&bt_sk(sk)->src),
+					batostr(&bt_sk(sk)->dst),
+					sk->sk_state, __le16_to_cpu(pi->psm),
+					pi->scid, pi->dcid,
+					pi->imtu, pi->omtu, pi->sec_level);
 	}
 
 	read_unlock_bh(&l2cap_sk_list.lock);
 
-	return str - buf;
+	return 0;
 }
 
-static CLASS_ATTR(l2cap, S_IRUGO, l2cap_sysfs_show, NULL);
+static int l2cap_debugfs_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, l2cap_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations l2cap_debugfs_fops = {
+	.open		= l2cap_debugfs_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct dentry *l2cap_debugfs;
 
 static const struct proto_ops l2cap_sock_ops = {
 	.family		= PF_BLUETOOTH,
@@ -4019,8 +4039,12 @@ static int __init l2cap_init(void)
 		goto error;
 	}
 
-	if (class_create_file(bt_class, &class_attr_l2cap) < 0)
-		BT_ERR("Failed to create L2CAP info file");
+	if (bt_debugfs) {
+		l2cap_debugfs = debugfs_create_file("l2cap", 0444,
+					bt_debugfs, NULL, &l2cap_debugfs_fops);
+		if (!l2cap_debugfs)
+			BT_ERR("Failed to create L2CAP debug file");
+	}
 
 	BT_INFO("L2CAP ver %s", VERSION);
 	BT_INFO("L2CAP socket layer initialized");
@@ -4034,7 +4058,7 @@ error:
 
 static void __exit l2cap_exit(void)
 {
-	class_remove_file(bt_class, &class_attr_l2cap);
+	debugfs_remove(l2cap_debugfs);
 
 	if (bt_sock_unregister(BTPROTO_L2CAP) < 0)
 		BT_ERR("L2CAP socket unregistration failed");
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 89f4a59eb82b..13f114e8b0f9 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -33,6 +33,8 @@
 #include <linux/init.h>
 #include <linux/wait.h>
 #include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
 #include <linux/net.h>
 #include <linux/mutex.h>
 #include <linux/kthread.h>
@@ -2098,11 +2100,10 @@ static struct hci_cb rfcomm_cb = {
 	.security_cfm	= rfcomm_security_cfm
 };
 
-static ssize_t rfcomm_dlc_sysfs_show(struct class *dev, char *buf)
+static int rfcomm_dlc_debugfs_show(struct seq_file *f, void *x)
 {
 	struct rfcomm_session *s;
 	struct list_head *pp, *p;
-	char *str = buf;
 
 	rfcomm_lock();
 
@@ -2112,18 +2113,32 @@ static ssize_t rfcomm_dlc_sysfs_show(struct class *dev, char *buf)
 			struct sock *sk = s->sock->sk;
 			struct rfcomm_dlc *d = list_entry(pp, struct rfcomm_dlc, list);
 
-			str += sprintf(str, "%s %s %ld %d %d %d %d\n",
-					batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
-					d->state, d->dlci, d->mtu, d->rx_credits, d->tx_credits);
+			seq_printf(f, "%s %s %ld %d %d %d %d\n",
+						batostr(&bt_sk(sk)->src),
+						batostr(&bt_sk(sk)->dst),
+						d->state, d->dlci, d->mtu,
+						d->rx_credits, d->tx_credits);
 		}
 	}
 
 	rfcomm_unlock();
 
-	return (str - buf);
+	return 0;
 }
 
-static CLASS_ATTR(rfcomm_dlc, S_IRUGO, rfcomm_dlc_sysfs_show, NULL);
+static int rfcomm_dlc_debugfs_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, rfcomm_dlc_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations rfcomm_dlc_debugfs_fops = {
+	.open		= rfcomm_dlc_debugfs_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct dentry *rfcomm_dlc_debugfs;
 
 /* ---- Initialization ---- */
 static int __init rfcomm_init(void)
@@ -2140,8 +2155,12 @@ static int __init rfcomm_init(void)
 		goto unregister;
 	}
 
-	if (class_create_file(bt_class, &class_attr_rfcomm_dlc) < 0)
-		BT_ERR("Failed to create RFCOMM info file");
+	if (bt_debugfs) {
+		rfcomm_dlc_debugfs = debugfs_create_file("rfcomm_dlc", 0444,
+				bt_debugfs, NULL, &rfcomm_dlc_debugfs_fops);
+		if (!rfcomm_dlc_debugfs)
+			BT_ERR("Failed to create RFCOMM debug file");
+	}
 
 	err = rfcomm_init_ttys();
 	if (err < 0)
@@ -2169,7 +2188,7 @@ unregister:
 
 static void __exit rfcomm_exit(void)
 {
-	class_remove_file(bt_class, &class_attr_rfcomm_dlc);
+	debugfs_remove(rfcomm_dlc_debugfs);
 
 	hci_unregister_cb(&rfcomm_cb);
 
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index 4b5968dda673..7f439765403d 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -40,6 +40,8 @@
 #include <linux/skbuff.h>
 #include <linux/list.h>
 #include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
 #include <net/sock.h>
 
 #include <asm/system.h>
@@ -1061,26 +1063,38 @@ done:
 	return result;
 }
 
-static ssize_t rfcomm_sock_sysfs_show(struct class *dev, char *buf)
+static int rfcomm_sock_debugfs_show(struct seq_file *f, void *p)
 {
 	struct sock *sk;
 	struct hlist_node *node;
-	char *str = buf;
 
 	read_lock_bh(&rfcomm_sk_list.lock);
 
 	sk_for_each(sk, node, &rfcomm_sk_list.head) {
-		str += sprintf(str, "%s %s %d %d\n",
-				batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
+		seq_printf(f, "%s %s %d %d\n",
+				batostr(&bt_sk(sk)->src),
+				batostr(&bt_sk(sk)->dst),
 				sk->sk_state, rfcomm_pi(sk)->channel);
 	}
 
 	read_unlock_bh(&rfcomm_sk_list.lock);
 
-	return (str - buf);
+	return 0;
 }
 
-static CLASS_ATTR(rfcomm, S_IRUGO, rfcomm_sock_sysfs_show, NULL);
+static int rfcomm_sock_debugfs_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, rfcomm_sock_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations rfcomm_sock_debugfs_fops = {
+	.open		= rfcomm_sock_debugfs_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct dentry *rfcomm_sock_debugfs;
 
 static const struct proto_ops rfcomm_sock_ops = {
 	.family		= PF_BLUETOOTH,
@@ -1120,8 +1134,12 @@ int __init rfcomm_init_sockets(void)
 	if (err < 0)
 		goto error;
 
-	if (class_create_file(bt_class, &class_attr_rfcomm) < 0)
-		BT_ERR("Failed to create RFCOMM info file");
+	if (bt_debugfs) {
+		rfcomm_sock_debugfs = debugfs_create_file("rfcomm", 0444,
+				bt_debugfs, NULL, &rfcomm_sock_debugfs_fops);
+		if (!rfcomm_sock_debugfs)
+			BT_ERR("Failed to create RFCOMM debug file");
+	}
 
 	BT_INFO("RFCOMM socket layer initialized");
 
@@ -1135,7 +1153,7 @@ error:
 
 void rfcomm_cleanup_sockets(void)
 {
-	class_remove_file(bt_class, &class_attr_rfcomm);
+	debugfs_remove(rfcomm_sock_debugfs);
 
 	if (bt_sock_unregister(BTPROTO_RFCOMM) < 0)
 		BT_ERR("RFCOMM socket layer unregistration failed");
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index dd8f6ec57dce..e5b16b76b22e 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -38,6 +38,8 @@
 #include <linux/socket.h>
 #include <linux/skbuff.h>
 #include <linux/device.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
 #include <linux/list.h>
 #include <net/sock.h>
 
@@ -953,26 +955,36 @@ drop:
 	return 0;
 }
 
-static ssize_t sco_sysfs_show(struct class *dev, char *buf)
+static int sco_debugfs_show(struct seq_file *f, void *p)
 {
 	struct sock *sk;
 	struct hlist_node *node;
-	char *str = buf;
 
 	read_lock_bh(&sco_sk_list.lock);
 
 	sk_for_each(sk, node, &sco_sk_list.head) {
-		str += sprintf(str, "%s %s %d\n",
-				batostr(&bt_sk(sk)->src), batostr(&bt_sk(sk)->dst),
-				sk->sk_state);
+		seq_printf(f, "%s %s %d\n", batostr(&bt_sk(sk)->src),
+				batostr(&bt_sk(sk)->dst), sk->sk_state);
 	}
 
 	read_unlock_bh(&sco_sk_list.lock);
 
-	return (str - buf);
+	return 0;
 }
 
-static CLASS_ATTR(sco, S_IRUGO, sco_sysfs_show, NULL);
+static int sco_debugfs_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, sco_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations sco_debugfs_fops = {
+	.open		= sco_debugfs_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
+
+static struct dentry *sco_debugfs;
 
 static const struct proto_ops sco_sock_ops = {
 	.family		= PF_BLUETOOTH,
@@ -1030,8 +1042,12 @@ static int __init sco_init(void)
 		goto error;
 	}
 
-	if (class_create_file(bt_class, &class_attr_sco) < 0)
-		BT_ERR("Failed to create SCO info file");
+	if (bt_debugfs) {
+		sco_debugfs = debugfs_create_file("sco", 0444,
+					bt_debugfs, NULL, &sco_debugfs_fops);
+		if (!sco_debugfs)
+			BT_ERR("Failed to create SCO debug file");
+	}
 
 	BT_INFO("SCO (Voice Link) ver %s", VERSION);
 	BT_INFO("SCO socket layer initialized");
@@ -1045,7 +1061,7 @@ error:
 
 static void __exit sco_exit(void)
 {
-	class_remove_file(bt_class, &class_attr_sco);
+	debugfs_remove(sco_debugfs);
 
 	if (bt_sock_unregister(BTPROTO_SCO) < 0)
 		BT_ERR("SCO socket unregistration failed");
diff --git a/net/bridge/Kconfig b/net/bridge/Kconfig
index 19a6b9629c51..d115d5cea5b6 100644
--- a/net/bridge/Kconfig
+++ b/net/bridge/Kconfig
@@ -35,6 +35,7 @@ config BRIDGE
 config BRIDGE_IGMP_SNOOPING
 	bool "IGMP snooping"
 	depends on BRIDGE
+	depends on INET
 	default y
 	---help---
 	  If you say Y here, then the Ethernet bridge will be able selectively
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index eb7062d2e9e5..90a9024e5c1e 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -40,7 +40,7 @@ netdev_tx_t br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
 			goto out;
 
 		mdst = br_mdb_get(br, skb);
-		if (mdst || BR_INPUT_SKB_CB(skb)->mrouters_only)
+		if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb))
 			br_multicast_deliver(mdst, skb);
 		else
 			br_flood_deliver(br, skb);
diff --git a/net/bridge/br_forward.c b/net/bridge/br_forward.c
index d61e6f741125..8dbec83e50ca 100644
--- a/net/bridge/br_forward.c
+++ b/net/bridge/br_forward.c
@@ -19,6 +19,11 @@
 #include <linux/netfilter_bridge.h>
 #include "br_private.h"
 
+static int deliver_clone(const struct net_bridge_port *prev,
+			 struct sk_buff *skb,
+			 void (*__packet_hook)(const struct net_bridge_port *p,
+					       struct sk_buff *skb));
+
 /* Don't forward packets to originating port or forwarding diasabled */
 static inline int should_deliver(const struct net_bridge_port *p,
 				 const struct sk_buff *skb)
@@ -94,17 +99,22 @@ void br_deliver(const struct net_bridge_port *to, struct sk_buff *skb)
 }
 
 /* called with rcu_read_lock */
-void br_forward(const struct net_bridge_port *to, struct sk_buff *skb)
+void br_forward(const struct net_bridge_port *to, struct sk_buff *skb, struct sk_buff *skb0)
 {
 	if (should_deliver(to, skb)) {
-		__br_forward(to, skb);
+		if (skb0)
+			deliver_clone(to, skb, __br_forward);
+		else
+			__br_forward(to, skb);
 		return;
 	}
 
-	kfree_skb(skb);
+	if (!skb0)
+		kfree_skb(skb);
 }
 
-static int deliver_clone(struct net_bridge_port *prev, struct sk_buff *skb,
+static int deliver_clone(const struct net_bridge_port *prev,
+			 struct sk_buff *skb,
 			 void (*__packet_hook)(const struct net_bridge_port *p,
 					       struct sk_buff *skb))
 {
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 53b39851d87d..d74d570fc848 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -70,7 +70,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
 
 	if (is_multicast_ether_addr(dest)) {
 		mdst = br_mdb_get(br, skb);
-		if (mdst || BR_INPUT_SKB_CB(skb)->mrouters_only) {
+		if (mdst || BR_INPUT_SKB_CB_MROUTERS_ONLY(skb)) {
 			if ((mdst && !hlist_unhashed(&mdst->mglist)) ||
 			    br_multicast_is_router(br))
 				skb2 = skb;
@@ -90,7 +90,7 @@ int br_handle_frame_finish(struct sk_buff *skb)
 
 	if (skb) {
 		if (dst)
-			br_forward(dst->dst, skb);
+			br_forward(dst->dst, skb, skb2);
 		else
 			br_flood_forward(br, skb, skb2);
 	}
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 2559fb539836..6980625537ca 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -38,7 +38,7 @@ static struct net_bridge_mdb_entry *__br_mdb_ip_get(
 	struct net_bridge_mdb_entry *mp;
 	struct hlist_node *p;
 
-	hlist_for_each_entry(mp, p, &mdb->mhash[hash], hlist[mdb->ver]) {
+	hlist_for_each_entry_rcu(mp, p, &mdb->mhash[hash], hlist[mdb->ver]) {
 		if (dst == mp->addr)
 			return mp;
 	}
@@ -49,22 +49,23 @@ static struct net_bridge_mdb_entry *__br_mdb_ip_get(
 static struct net_bridge_mdb_entry *br_mdb_ip_get(
 	struct net_bridge_mdb_htable *mdb, __be32 dst)
 {
+	if (!mdb)
+		return NULL;
+
 	return __br_mdb_ip_get(mdb, dst, br_ip_hash(mdb, dst));
 }
 
 struct net_bridge_mdb_entry *br_mdb_get(struct net_bridge *br,
 					struct sk_buff *skb)
 {
-	struct net_bridge_mdb_htable *mdb = br->mdb;
-
-	if (!mdb || br->multicast_disabled)
+	if (br->multicast_disabled)
 		return NULL;
 
 	switch (skb->protocol) {
 	case htons(ETH_P_IP):
 		if (BR_INPUT_SKB_CB(skb)->igmp)
 			break;
-		return br_mdb_ip_get(mdb, ip_hdr(skb)->daddr);
+		return br_mdb_ip_get(br->mdb, ip_hdr(skb)->daddr);
 	}
 
 	return NULL;
@@ -627,8 +628,8 @@ static void br_multicast_port_query_expired(unsigned long data)
 	struct net_bridge *br = port->br;
 
 	spin_lock(&br->multicast_lock);
-	if (port && (port->state == BR_STATE_DISABLED ||
-		     port->state == BR_STATE_BLOCKING))
+	if (port->state == BR_STATE_DISABLED ||
+	    port->state == BR_STATE_BLOCKING)
 		goto out;
 
 	if (port->multicast_startup_queries_sent <
@@ -823,6 +824,7 @@ static int br_multicast_query(struct net_bridge *br,
 	unsigned long max_delay;
 	unsigned long now = jiffies;
 	__be32 group;
+	int err = 0;
 
 	spin_lock(&br->multicast_lock);
 	if (!netif_running(br->dev) ||
@@ -841,15 +843,17 @@ static int br_multicast_query(struct net_bridge *br,
 			group = 0;
 		}
 	} else {
-		if (!pskb_may_pull(skb, sizeof(struct igmpv3_query)))
-			return -EINVAL;
+		if (!pskb_may_pull(skb, sizeof(struct igmpv3_query))) {
+			err = -EINVAL;
+			goto out;
+		}
 
 		ih3 = igmpv3_query_hdr(skb);
 		if (ih3->nsrcs)
-			return 0;
+			goto out;
 
-		max_delay = ih3->code ? 1 :
-			    IGMPV3_MRC(ih3->code) * (HZ / IGMP_TIMER_SCALE);
+		max_delay = ih3->code ?
+			    IGMPV3_MRC(ih3->code) * (HZ / IGMP_TIMER_SCALE) : 1;
 	}
 
 	if (!group)
@@ -876,7 +880,7 @@ static int br_multicast_query(struct net_bridge *br,
 
 out:
 	spin_unlock(&br->multicast_lock);
-	return 0;
+	return err;
 }
 
 static void br_multicast_leave_group(struct net_bridge *br,
@@ -987,7 +991,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
 
 		err = pskb_trim_rcsum(skb2, len);
 		if (err)
-			return err;
+			goto err_out;
 	}
 
 	len -= ip_hdrlen(skb2);
@@ -1009,7 +1013,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
 	case CHECKSUM_NONE:
 		skb2->csum = 0;
 		if (skb_checksum_complete(skb2))
-			return -EINVAL;
+			goto out;
 	}
 
 	err = 0;
@@ -1036,6 +1040,7 @@ static int br_multicast_ipv4_rcv(struct net_bridge *br,
 
 out:
 	__skb_push(skb2, offset);
+err_out:
 	if (skb2 != skb)
 		kfree_skb(skb2);
 	return err;
@@ -1135,7 +1140,7 @@ void br_multicast_stop(struct net_bridge *br)
 
 	if (mdb->old) {
 		spin_unlock_bh(&br->multicast_lock);
-		synchronize_rcu_bh();
+		rcu_barrier_bh();
 		spin_lock_bh(&br->multicast_lock);
 		WARN_ON(mdb->old);
 	}
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 1cf2cef78584..846d7d1e2075 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -206,12 +206,20 @@ struct net_bridge
 
 struct br_input_skb_cb {
 	struct net_device *brdev;
+#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
 	int igmp;
 	int mrouters_only;
+#endif
 };
 
 #define BR_INPUT_SKB_CB(__skb)	((struct br_input_skb_cb *)(__skb)->cb)
 
+#ifdef CONFIG_BRIDGE_IGMP_SNOOPING
+# define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb)	(BR_INPUT_SKB_CB(__skb)->mrouters_only)
+#else
+# define BR_INPUT_SKB_CB_MROUTERS_ONLY(__skb)	(0)
+#endif
+
 extern struct notifier_block br_device_notifier;
 extern const u8 br_group_address[ETH_ALEN];
 
@@ -252,7 +260,7 @@ extern void br_deliver(const struct net_bridge_port *to,
 		struct sk_buff *skb);
 extern int br_dev_queue_push_xmit(struct sk_buff *skb);
 extern void br_forward(const struct net_bridge_port *to,
-		struct sk_buff *skb);
+		struct sk_buff *skb, struct sk_buff *skb0);
 extern int br_forward_finish(struct sk_buff *skb);
 extern void br_flood_deliver(struct net_bridge *br, struct sk_buff *skb);
 extern void br_flood_forward(struct net_bridge *br, struct sk_buff *skb,
@@ -423,7 +431,7 @@ extern void br_ifinfo_notify(int event, struct net_bridge_port *port);
 
 #ifdef CONFIG_SYSFS
 /* br_sysfs_if.c */
-extern struct sysfs_ops brport_sysfs_ops;
+extern const struct sysfs_ops brport_sysfs_ops;
 extern int br_sysfs_addif(struct net_bridge_port *p);
 
 /* br_sysfs_br.c */
diff --git a/net/bridge/br_sysfs_if.c b/net/bridge/br_sysfs_if.c
index 696596cd3384..0b9916489d6b 100644
--- a/net/bridge/br_sysfs_if.c
+++ b/net/bridge/br_sysfs_if.c
@@ -238,7 +238,7 @@ static ssize_t brport_store(struct kobject * kobj,
 	return ret;
 }
 
-struct sysfs_ops brport_sysfs_ops = {
+const struct sysfs_ops brport_sysfs_ops = {
 	.show = brport_show,
 	.store = brport_store,
 };
diff --git a/net/core/dev.c b/net/core/dev.c
index bcc490cc9452..59d4394d2ce8 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2483,6 +2483,7 @@ int netif_receive_skb(struct sk_buff *skb)
 {
 	struct packet_type *ptype, *pt_prev;
 	struct net_device *orig_dev;
+	struct net_device *master;
 	struct net_device *null_or_orig;
 	struct net_device *null_or_bond;
 	int ret = NET_RX_DROP;
@@ -2503,11 +2504,12 @@ int netif_receive_skb(struct sk_buff *skb)
 
 	null_or_orig = NULL;
 	orig_dev = skb->dev;
-	if (orig_dev->master) {
-		if (skb_bond_should_drop(skb))
+	master = ACCESS_ONCE(orig_dev->master);
+	if (master) {
+		if (skb_bond_should_drop(skb, master))
 			null_or_orig = orig_dev; /* deliver only exact match */
 		else
-			skb->dev = orig_dev->master;
+			skb->dev = master;
 	}
 
 	__get_cpu_var(netdev_rx_stat).total++;
diff --git a/net/core/dev_mcast.c b/net/core/dev_mcast.c
index fd91569e2394..3dc295beb483 100644
--- a/net/core/dev_mcast.c
+++ b/net/core/dev_mcast.c
@@ -97,8 +97,9 @@ int dev_mc_add(struct net_device *dev, void *addr, int alen, int glbl)
 
 	netif_addr_lock_bh(dev);
 	if (alen != dev->addr_len)
-		return -EINVAL;
-	err = __dev_addr_add(&dev->mc_list, &dev->mc_count, addr, alen, glbl);
+		err = -EINVAL;
+	else
+		err = __dev_addr_add(&dev->mc_list, &dev->mc_count, addr, alen, glbl);
 	if (!err)
 		__dev_set_rx_mode(dev);
 	netif_addr_unlock_bh(dev);
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index 0f2f82185ec4..f4cb6b6299d9 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -17,6 +17,7 @@
 #include <linux/errno.h>
 #include <linux/ethtool.h>
 #include <linux/netdevice.h>
+#include <linux/bitops.h>
 #include <asm/uaccess.h>
 
 /*
@@ -199,10 +200,7 @@ static int ethtool_set_settings(struct net_device *dev, void __user *useraddr)
 	return dev->ethtool_ops->set_settings(dev, &cmd);
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr)
+static noinline_for_stack int ethtool_get_drvinfo(struct net_device *dev, void __user *useraddr)
 {
 	struct ethtool_drvinfo info;
 	const struct ethtool_ops *ops = dev->ethtool_ops;
@@ -214,6 +212,10 @@ static noinline int ethtool_get_drvinfo(struct net_device *dev, void __user *use
 	info.cmd = ETHTOOL_GDRVINFO;
 	ops->get_drvinfo(dev, &info);
 
+	/*
+	 * this method of obtaining string set info is deprecated;
+	 * Use ETHTOOL_GSSET_INFO instead.
+	 */
 	if (ops->get_sset_count) {
 		int rc;
 
@@ -237,10 +239,67 @@ static noinline int ethtool_get_drvinfo(struct net_device *dev, void __user *use
 	return 0;
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_set_rxnfc(struct net_device *dev, void __user *useraddr)
+static noinline_for_stack int ethtool_get_sset_info(struct net_device *dev,
+                                          void __user *useraddr)
+{
+	struct ethtool_sset_info info;
+	const struct ethtool_ops *ops = dev->ethtool_ops;
+	u64 sset_mask;
+	int i, idx = 0, n_bits = 0, ret, rc;
+	u32 *info_buf = NULL;
+
+	if (!ops->get_sset_count)
+		return -EOPNOTSUPP;
+
+	if (copy_from_user(&info, useraddr, sizeof(info)))
+		return -EFAULT;
+
+	/* store copy of mask, because we zero struct later on */
+	sset_mask = info.sset_mask;
+	if (!sset_mask)
+		return 0;
+
+	/* calculate size of return buffer */
+	n_bits = hweight64(sset_mask);
+
+	memset(&info, 0, sizeof(info));
+	info.cmd = ETHTOOL_GSSET_INFO;
+
+	info_buf = kzalloc(n_bits * sizeof(u32), GFP_USER);
+	if (!info_buf)
+		return -ENOMEM;
+
+	/*
+	 * fill return buffer based on input bitmask and successful
+	 * get_sset_count return
+	 */
+	for (i = 0; i < 64; i++) {
+		if (!(sset_mask & (1ULL << i)))
+			continue;
+
+		rc = ops->get_sset_count(dev, i);
+		if (rc >= 0) {
+			info.sset_mask |= (1ULL << i);
+			info_buf[idx++] = rc;
+		}
+	}
+
+	ret = -EFAULT;
+	if (copy_to_user(useraddr, &info, sizeof(info)))
+		goto out;
+
+	useraddr += offsetof(struct ethtool_sset_info, data);
+	if (copy_to_user(useraddr, info_buf, idx * sizeof(u32)))
+		goto out;
+
+	ret = 0;
+
+out:
+	kfree(info_buf);
+	return ret;
+}
+
+static noinline_for_stack int ethtool_set_rxnfc(struct net_device *dev, void __user *useraddr)
 {
 	struct ethtool_rxnfc cmd;
 
@@ -253,10 +312,7 @@ static noinline int ethtool_set_rxnfc(struct net_device *dev, void __user *usera
 	return dev->ethtool_ops->set_rxnfc(dev, &cmd);
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_get_rxnfc(struct net_device *dev, void __user *useraddr)
+static noinline_for_stack int ethtool_get_rxnfc(struct net_device *dev, void __user *useraddr)
 {
 	struct ethtool_rxnfc info;
 	const struct ethtool_ops *ops = dev->ethtool_ops;
@@ -328,10 +384,7 @@ static void __rx_ntuple_filter_add(struct ethtool_rx_ntuple_list *list,
 	list->count++;
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_set_rx_ntuple(struct net_device *dev, void __user *useraddr)
+static noinline_for_stack int ethtool_set_rx_ntuple(struct net_device *dev, void __user *useraddr)
 {
 	struct ethtool_rx_ntuple cmd;
 	const struct ethtool_ops *ops = dev->ethtool_ops;
@@ -799,10 +852,7 @@ static int ethtool_set_eeprom(struct net_device *dev, void __user *useraddr)
 	return ret;
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_get_coalesce(struct net_device *dev, void __user *useraddr)
+static noinline_for_stack int ethtool_get_coalesce(struct net_device *dev, void __user *useraddr)
 {
 	struct ethtool_coalesce coalesce = { .cmd = ETHTOOL_GCOALESCE };
 
@@ -816,10 +866,7 @@ static noinline int ethtool_get_coalesce(struct net_device *dev, void __user *us
 	return 0;
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_set_coalesce(struct net_device *dev, void __user *useraddr)
+static noinline_for_stack int ethtool_set_coalesce(struct net_device *dev, void __user *useraddr)
 {
 	struct ethtool_coalesce coalesce;
 
@@ -1229,10 +1276,7 @@ static int ethtool_set_value(struct net_device *dev, char __user *useraddr,
 	return actor(dev, edata.data);
 }
 
-/*
- * noinline attribute so that gcc doesnt use too much stack in dev_ethtool()
- */
-static noinline int ethtool_flash_device(struct net_device *dev, char __user *useraddr)
+static noinline_for_stack int ethtool_flash_device(struct net_device *dev, char __user *useraddr)
 {
 	struct ethtool_flash efl;
 
@@ -1471,6 +1515,9 @@ int dev_ethtool(struct net *net, struct ifreq *ifr)
 	case ETHTOOL_GRXNTUPLE:
 		rc = ethtool_get_rx_ntuple(dev, useraddr);
 		break;
+	case ETHTOOL_GSSET_INFO:
+		rc = ethtool_get_sset_info(dev, useraddr);
+		break;
 	default:
 		rc = -EOPNOTSUPP;
 	}
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index d102f6d9abdc..6cee6434da67 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -771,6 +771,8 @@ static __inline__ int neigh_max_probes(struct neighbour *n)
 }
 
 static void neigh_invalidate(struct neighbour *neigh)
+	__releases(neigh->lock)
+	__acquires(neigh->lock)
 {
 	struct sk_buff *skb;
 
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 7aa697253765..6f9206b36dc2 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -614,7 +614,7 @@ void netpoll_print_options(struct netpoll *np)
 			 np->name, np->local_port);
 	printk(KERN_INFO "%s: local IP %pI4\n",
 			 np->name, &np->local_ip);
-	printk(KERN_INFO "%s: interface %s\n",
+	printk(KERN_INFO "%s: interface '%s'\n",
 			 np->name, np->dev_name);
 	printk(KERN_INFO "%s: remote port %d\n",
 			 np->name, np->remote_port);
@@ -661,6 +661,9 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
 		if ((delim = strchr(cur, '@')) == NULL)
 			goto parse_failed;
 		*delim = 0;
+		if (*cur == ' ' || *cur == '\t')
+			printk(KERN_INFO "%s: warning: whitespace"
+					"is not allowed\n", np->name);
 		np->remote_port = simple_strtol(cur, NULL, 10);
 		cur = delim;
 	}
@@ -708,7 +711,7 @@ int netpoll_parse_options(struct netpoll *np, char *opt)
 	return 0;
 
  parse_failed:
-	printk(KERN_INFO "%s: couldn't parse config at %s!\n",
+	printk(KERN_INFO "%s: couldn't parse config at '%s'!\n",
 	       np->name, cur);
 	return -1;
 }
@@ -735,7 +738,7 @@ int netpoll_setup(struct netpoll *np)
 		npinfo = kmalloc(sizeof(*npinfo), GFP_KERNEL);
 		if (!npinfo) {
 			err = -ENOMEM;
-			goto release;
+			goto put;
 		}
 
 		npinfo->rx_flags = 0;
@@ -845,7 +848,7 @@ int netpoll_setup(struct netpoll *np)
 
 		kfree(npinfo);
 	}
-
+put:
 	dev_put(ndev);
 	return err;
 }
diff --git a/net/core/sock.c b/net/core/sock.c
index fcd397a762ff..c5812bbc2cc9 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -340,8 +340,12 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested)
 		rc = sk_backlog_rcv(sk, skb);
 
 		mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_);
-	} else
-		sk_add_backlog(sk, skb);
+	} else if (sk_add_backlog(sk, skb)) {
+		bh_unlock_sock(sk);
+		atomic_inc(&sk->sk_drops);
+		goto discard_and_relse;
+	}
+
 	bh_unlock_sock(sk);
 out:
 	sock_put(sk);
@@ -1139,6 +1143,7 @@ struct sock *sk_clone(const struct sock *sk, const gfp_t priority)
 		sock_lock_init(newsk);
 		bh_lock_sock(newsk);
 		newsk->sk_backlog.head	= newsk->sk_backlog.tail = NULL;
+		newsk->sk_backlog.len = 0;
 
 		atomic_set(&newsk->sk_rmem_alloc, 0);
 		/*
@@ -1542,6 +1547,12 @@ static void __release_sock(struct sock *sk)
 
 		bh_lock_sock(sk);
 	} while ((skb = sk->sk_backlog.head) != NULL);
+
+	/*
+	 * Doing the zeroing here guarantee we can not loop forever
+	 * while a wild producer attempts to flood us.
+	 */
+	sk->sk_backlog.len = 0;
 }
 
 /**
@@ -1874,6 +1885,7 @@ void sock_init_data(struct socket *sock, struct sock *sk)
 	sk->sk_allocation	=	GFP_KERNEL;
 	sk->sk_rcvbuf		=	sysctl_rmem_default;
 	sk->sk_sndbuf		=	sysctl_wmem_default;
+	sk->sk_backlog.limit	=	sk->sk_rcvbuf << 1;
 	sk->sk_state		=	TCP_CLOSE;
 	sk_set_socket(sk, sock);
 
@@ -2276,7 +2288,8 @@ out_free_request_sock_slab:
 		prot->rsk_prot->slab = NULL;
 	}
 out_free_request_sock_slab_name:
-	kfree(prot->rsk_prot->slab_name);
+	if (prot->rsk_prot)
+		kfree(prot->rsk_prot->slab_name);
 out_free_sock_slab:
 	kmem_cache_destroy(prot->slab);
 	prot->slab = NULL;
diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c
index b195c4feaa0a..4071eaf2b361 100644
--- a/net/dccp/ipv4.c
+++ b/net/dccp/ipv4.c
@@ -998,11 +998,11 @@ static struct inet_protosw dccp_v4_protosw = {
 
 static int __net_init dccp_v4_init_net(struct net *net)
 {
-	int err;
+	if (dccp_hashinfo.bhash == NULL)
+		return -ESOCKTNOSUPPORT;
 
-	err = inet_ctl_sock_create(&net->dccp.v4_ctl_sk, PF_INET,
-				   SOCK_DCCP, IPPROTO_DCCP, net);
-	return err;
+	return inet_ctl_sock_create(&net->dccp.v4_ctl_sk, PF_INET,
+				    SOCK_DCCP, IPPROTO_DCCP, net);
 }
 
 static void __net_exit dccp_v4_exit_net(struct net *net)
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 1aec6349e858..af3394df63b7 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -1191,11 +1191,11 @@ static struct inet_protosw dccp_v6_protosw = {
 
 static int __net_init dccp_v6_init_net(struct net *net)
 {
-	int err;
+	if (dccp_hashinfo.bhash == NULL)
+		return -ESOCKTNOSUPPORT;
 
-	err = inet_ctl_sock_create(&net->dccp.v6_ctl_sk, PF_INET6,
-				   SOCK_DCCP, IPPROTO_DCCP, net);
-	return err;
+	return inet_ctl_sock_create(&net->dccp.v6_ctl_sk, PF_INET6,
+				    SOCK_DCCP, IPPROTO_DCCP, net);
 }
 
 static void __net_exit dccp_v6_exit_net(struct net *net)
diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index af226a063141..0d508c359fa9 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -254,7 +254,7 @@ int dccp_child_process(struct sock *parent, struct sock *child,
 		 * in main socket hash table and lock on listening
 		 * socket does not protect us more.
 		 */
-		sk_add_backlog(child, skb);
+		__sk_add_backlog(child, skb);
 	}
 
 	bh_unlock_sock(child);
diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 0ef7061920c0..aa4cef374fd0 100644
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -1036,7 +1036,7 @@ static int __init dccp_init(void)
 		     FIELD_SIZEOF(struct sk_buff, cb));
 	rc = percpu_counter_init(&dccp_orphan_count, 0);
 	if (rc)
-		goto out;
+		goto out_fail;
 	rc = -ENOBUFS;
 	inet_hashinfo_init(&dccp_hashinfo);
 	dccp_hashinfo.bind_bucket_cachep =
@@ -1125,8 +1125,9 @@ static int __init dccp_init(void)
 		goto out_sysctl_exit;
 
 	dccp_timestamping_init();
-out:
-	return rc;
+
+	return 0;
+
 out_sysctl_exit:
 	dccp_sysctl_exit();
 out_ackvec_exit:
@@ -1135,18 +1136,19 @@ out_free_dccp_mib:
 	dccp_mib_exit();
 out_free_dccp_bhash:
 	free_pages((unsigned long)dccp_hashinfo.bhash, bhash_order);
-	dccp_hashinfo.bhash = NULL;
 out_free_dccp_locks:
 	inet_ehash_locks_free(&dccp_hashinfo);
 out_free_dccp_ehash:
 	free_pages((unsigned long)dccp_hashinfo.ehash, ehash_order);
-	dccp_hashinfo.ehash = NULL;
 out_free_bind_bucket_cachep:
 	kmem_cache_destroy(dccp_hashinfo.bind_bucket_cachep);
-	dccp_hashinfo.bind_bucket_cachep = NULL;
 out_free_percpu:
 	percpu_counter_destroy(&dccp_orphan_count);
-	goto out;
+out_fail:
+	dccp_hashinfo.bhash = NULL;
+	dccp_hashinfo.ehash = NULL;
+	dccp_hashinfo.bind_bucket_cachep = NULL;
+	return rc;
 }
 
 static void __exit dccp_fini(void)
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index 51ca946e3392..3feb2b390308 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -1194,7 +1194,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb)
 		hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
 			if (idx < s_idx)
 				goto cont;
-			if (idx > s_idx)
+			if (h > s_h || idx > s_idx)
 				s_ip_idx = 0;
 			in_dev = __in_dev_get_rcu(dev);
 			if (!in_dev)
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index af5d89792860..01ef8ba9025c 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -961,7 +961,9 @@ fib_find_node(struct trie *t, u32 key)
 	struct node *n;
 
 	pos = 0;
-	n = rcu_dereference(t->trie);
+	n = rcu_dereference_check(t->trie,
+				  rcu_read_lock_held() ||
+				  lockdep_rtnl_is_held());
 
 	while (n != NULL &&  NODE_TYPE(n) == T_TNODE) {
 		tn = (struct tnode *) n;
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index c0c5274d0271..f78402d097b3 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -810,11 +810,13 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
 			tunnel->err_count = 0;
 	}
 
-	max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen;
+	max_headroom = LL_RESERVED_SPACE(tdev) + gre_hlen + rt->u.dst.header_len;
 
 	if (skb_headroom(skb) < max_headroom || skb_shared(skb)||
 	    (skb_cloned(skb) && !skb_clone_writable(skb, 0))) {
 		struct sk_buff *new_skb = skb_realloc_headroom(skb, max_headroom);
+		if (max_headroom > dev->needed_headroom)
+			dev->needed_headroom = max_headroom;
 		if (!new_skb) {
 			ip_rt_put(rt);
 			txq->tx_dropped++;
@@ -1144,12 +1146,9 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *dev,
 
 	if (saddr)
 		memcpy(&iph->saddr, saddr, 4);
-
-	if (daddr) {
+	if (daddr)
 		memcpy(&iph->daddr, daddr, 4);
-		return t->hlen;
-	}
-	if (iph->daddr && !ipv4_is_multicast(iph->daddr))
+	if (iph->daddr)
 		return t->hlen;
 
 	return -t->hlen;
diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c
index 10a6a604bf32..678909281648 100644
--- a/net/ipv4/ipconfig.c
+++ b/net/ipv4/ipconfig.c
@@ -187,6 +187,16 @@ struct ic_device {
 static struct ic_device *ic_first_dev __initdata = NULL;/* List of open device */
 static struct net_device *ic_dev __initdata = NULL;	/* Selected device */
 
+static bool __init ic_device_match(struct net_device *dev)
+{
+	if (user_dev_name[0] ? !strcmp(dev->name, user_dev_name) :
+	    (!(dev->flags & IFF_LOOPBACK) &&
+	     (dev->flags & (IFF_POINTOPOINT|IFF_BROADCAST)) &&
+	     strncmp(dev->name, "dummy", 5)))
+		return true;
+	return false;
+}
+
 static int __init ic_open_devs(void)
 {
 	struct ic_device *d, **last;
@@ -207,10 +217,7 @@ static int __init ic_open_devs(void)
 	for_each_netdev(&init_net, dev) {
 		if (dev->flags & IFF_LOOPBACK)
 			continue;
-		if (user_dev_name[0] ? !strcmp(dev->name, user_dev_name) :
-		    (!(dev->flags & IFF_LOOPBACK) &&
-		     (dev->flags & (IFF_POINTOPOINT|IFF_BROADCAST)) &&
-		     strncmp(dev->name, "dummy", 5))) {
+		if (ic_device_match(dev)) {
 			int able = 0;
 			if (dev->mtu >= 364)
 				able |= IC_BOOTP;
@@ -228,7 +235,7 @@ static int __init ic_open_devs(void)
 			}
 			if (!(d = kmalloc(sizeof(struct ic_device), GFP_KERNEL))) {
 				rtnl_unlock();
-				return -1;
+				return -ENOMEM;
 			}
 			d->dev = dev;
 			*last = d;
@@ -253,7 +260,7 @@ static int __init ic_open_devs(void)
 			printk(KERN_ERR "IP-Config: Device `%s' not found.\n", user_dev_name);
 		else
 			printk(KERN_ERR "IP-Config: No network devices available.\n");
-		return -1;
+		return -ENODEV;
 	}
 	return 0;
 }
@@ -1303,6 +1310,32 @@ __be32 __init root_nfs_parse_addr(char *name)
 	return addr;
 }
 
+#define DEVICE_WAIT_MAX		12 /* 12 seconds */
+
+static int __init wait_for_devices(void)
+{
+	int i;
+
+	msleep(CONF_PRE_OPEN);
+	for (i = 0; i < DEVICE_WAIT_MAX; i++) {
+		struct net_device *dev;
+		int found = 0;
+
+		rtnl_lock();
+		for_each_netdev(&init_net, dev) {
+			if (ic_device_match(dev)) {
+				found = 1;
+				break;
+			}
+		}
+		rtnl_unlock();
+		if (found)
+			return 0;
+		ssleep(1);
+	}
+	return -ENODEV;
+}
+
 /*
  *	IP Autoconfig dispatcher.
  */
@@ -1313,6 +1346,7 @@ static int __init ip_auto_config(void)
 #ifdef IPCONFIG_DYNAMIC
 	int retries = CONF_OPEN_RETRIES;
 #endif
+	int err;
 
 #ifdef CONFIG_PROC_FS
 	proc_net_fops_create(&init_net, "pnp", S_IRUGO, &pnp_seq_fops);
@@ -1325,12 +1359,15 @@ static int __init ip_auto_config(void)
 #ifdef IPCONFIG_DYNAMIC
  try_try_again:
 #endif
-	/* Give hardware a chance to settle */
-	msleep(CONF_PRE_OPEN);
+	/* Wait for devices to appear */
+	err = wait_for_devices();
+	if (err)
+		return err;
 
 	/* Setup all network devices */
-	if (ic_open_devs() < 0)
-		return -1;
+	err = ic_open_devs();
+	if (err)
+		return err;
 
 	/* Give drivers a chance to settle */
 	ssleep(CONF_POST_OPEN);
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 8582e12e4a62..d0a6092a67be 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -802,6 +802,9 @@ static int ipmr_mfc_add(struct net *net, struct mfcctl *mfc, int mrtsock)
 	int line;
 	struct mfc_cache *uc, *c, **cp;
 
+	if (mfc->mfcc_parent >= MAXVIFS)
+		return -ENFILE;
+
 	line = MFC_HASH(mfc->mfcc_mcastgrp.s_addr, mfc->mfcc_origin.s_addr);
 
 	for (cp = &net->ipv4.mfc_cache_array[line];
@@ -1613,17 +1616,20 @@ ipmr_fill_mroute(struct sk_buff *skb, struct mfc_cache *c, struct rtmsg *rtm)
 	int ct;
 	struct rtnexthop *nhp;
 	struct net *net = mfc_net(c);
-	struct net_device *dev = net->ipv4.vif_table[c->mfc_parent].dev;
 	u8 *b = skb_tail_pointer(skb);
 	struct rtattr *mp_head;
 
-	if (dev)
-		RTA_PUT(skb, RTA_IIF, 4, &dev->ifindex);
+	/* If cache is unresolved, don't try to parse IIF and OIF */
+	if (c->mfc_parent > MAXVIFS)
+		return -ENOENT;
+
+	if (VIF_EXISTS(net, c->mfc_parent))
+		RTA_PUT(skb, RTA_IIF, 4, &net->ipv4.vif_table[c->mfc_parent].dev->ifindex);
 
 	mp_head = (struct rtattr *)skb_put(skb, RTA_LENGTH(0));
 
 	for (ct = c->mfc_un.res.minvif; ct < c->mfc_un.res.maxvif; ct++) {
-		if (c->mfc_un.res.ttls[ct] < 255) {
+		if (VIF_EXISTS(net, ct) && c->mfc_un.res.ttls[ct] < 255) {
 			if (skb_tailroom(skb) < RTA_ALIGN(RTA_ALIGN(sizeof(*nhp)) + 4))
 				goto rtattr_failure;
 			nhp = (struct rtnexthop *)skb_put(skb, RTA_ALIGN(sizeof(*nhp)));
diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index 242ed2307370..4f1f337f4337 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -249,6 +249,8 @@ static const struct snmp_mib snmp4_net_list[] = {
 	SNMP_MIB_ITEM("TCPSackShifted", LINUX_MIB_SACKSHIFTED),
 	SNMP_MIB_ITEM("TCPSackMerged", LINUX_MIB_SACKMERGED),
 	SNMP_MIB_ITEM("TCPSackShiftFallback", LINUX_MIB_SACKSHIFTFALLBACK),
+	SNMP_MIB_ITEM("TCPBacklogDrop", LINUX_MIB_TCPBACKLOGDROP),
+	SNMP_MIB_ITEM("TCPMinTTLDrop", LINUX_MIB_TCPMINTTLDROP),
 	SNMP_MIB_SENTINEL
 };
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index b2ba5581d2ae..d413b57be9b3 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -146,7 +146,6 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst);
 static void		 ipv4_link_failure(struct sk_buff *skb);
 static void		 ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu);
 static int rt_garbage_collect(struct dst_ops *ops);
-static void rt_emergency_hash_rebuild(struct net *net);
 
 
 static struct dst_ops ipv4_dst_ops = {
@@ -780,11 +779,30 @@ static void rt_do_flush(int process_context)
 #define FRACT_BITS 3
 #define ONE (1UL << FRACT_BITS)
 
+/*
+ * Given a hash chain and an item in this hash chain,
+ * find if a previous entry has the same hash_inputs
+ * (but differs on tos, mark or oif)
+ * Returns 0 if an alias is found.
+ * Returns ONE if rth has no alias before itself.
+ */
+static int has_noalias(const struct rtable *head, const struct rtable *rth)
+{
+	const struct rtable *aux = head;
+
+	while (aux != rth) {
+		if (compare_hash_inputs(&aux->fl, &rth->fl))
+			return 0;
+		aux = aux->u.dst.rt_next;
+	}
+	return ONE;
+}
+
 static void rt_check_expire(void)
 {
 	static unsigned int rover;
 	unsigned int i = rover, goal;
-	struct rtable *rth, *aux, **rthp;
+	struct rtable *rth, **rthp;
 	unsigned long samples = 0;
 	unsigned long sum = 0, sum2 = 0;
 	unsigned long delta;
@@ -835,15 +853,7 @@ nofree:
 					 * attributes don't unfairly skew
 					 * the length computation
 					 */
-					for (aux = rt_hash_table[i].chain;;) {
-						if (aux == rth) {
-							length += ONE;
-							break;
-						}
-						if (compare_hash_inputs(&aux->fl, &rth->fl))
-							break;
-						aux = aux->u.dst.rt_next;
-					}
+					length += has_noalias(rt_hash_table[i].chain, rth);
 					continue;
 				}
 			} else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout))
@@ -922,10 +932,8 @@ static void rt_secret_rebuild_oneshot(struct net *net)
 {
 	del_timer_sync(&net->ipv4.rt_secret_timer);
 	rt_cache_invalidate(net);
-	if (ip_rt_secret_interval) {
-		net->ipv4.rt_secret_timer.expires += ip_rt_secret_interval;
-		add_timer(&net->ipv4.rt_secret_timer);
-	}
+	if (ip_rt_secret_interval)
+		mod_timer(&net->ipv4.rt_secret_timer, jiffies + ip_rt_secret_interval);
 }
 
 static void rt_emergency_hash_rebuild(struct net *net)
@@ -1073,8 +1081,23 @@ work_done:
 out:	return 0;
 }
 
+/*
+ * Returns number of entries in a hash chain that have different hash_inputs
+ */
+static int slow_chain_length(const struct rtable *head)
+{
+	int length = 0;
+	const struct rtable *rth = head;
+
+	while (rth) {
+		length += has_noalias(head, rth);
+		rth = rth->u.dst.rt_next;
+	}
+	return length >> FRACT_BITS;
+}
+
 static int rt_intern_hash(unsigned hash, struct rtable *rt,
-			  struct rtable **rp, struct sk_buff *skb)
+			  struct rtable **rp, struct sk_buff *skb, int ifindex)
 {
 	struct rtable	*rth, **rthp;
 	unsigned long	now;
@@ -1185,14 +1208,20 @@ restart:
 			rt_free(cand);
 		}
 	} else {
-		if (chain_length > rt_chain_length_max) {
+		if (chain_length > rt_chain_length_max &&
+		    slow_chain_length(rt_hash_table[hash].chain) > rt_chain_length_max) {
 			struct net *net = dev_net(rt->u.dst.dev);
 			int num = ++net->ipv4.current_rt_cache_rebuild_count;
-			if (!rt_caching(dev_net(rt->u.dst.dev))) {
+			if (!rt_caching(net)) {
 				printk(KERN_WARNING "%s: %d rebuilds is over limit, route caching disabled\n",
 					rt->u.dst.dev->name, num);
 			}
-			rt_emergency_hash_rebuild(dev_net(rt->u.dst.dev));
+			rt_emergency_hash_rebuild(net);
+			spin_unlock_bh(rt_hash_lock_addr(hash));
+
+			hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
+					ifindex, rt_genid(net));
+			goto restart;
 		}
 	}
 
@@ -1417,7 +1446,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 					dev_hold(rt->u.dst.dev);
 				if (rt->idev)
 					in_dev_hold(rt->idev);
-				rt->u.dst.obsolete	= 0;
+				rt->u.dst.obsolete	= -1;
 				rt->u.dst.lastuse	= jiffies;
 				rt->u.dst.path		= &rt->u.dst;
 				rt->u.dst.neighbour	= NULL;
@@ -1453,7 +1482,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
 							&netevent);
 
 				rt_del(hash, rth);
-				if (!rt_intern_hash(hash, rt, &rt, NULL))
+				if (!rt_intern_hash(hash, rt, &rt, NULL, rt->fl.oif))
 					ip_rt_put(rt);
 				goto do_next;
 			}
@@ -1482,11 +1511,12 @@ static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
 	struct dst_entry *ret = dst;
 
 	if (rt) {
-		if (dst->obsolete) {
+		if (dst->obsolete > 0) {
 			ip_rt_put(rt);
 			ret = NULL;
 		} else if ((rt->rt_flags & RTCF_REDIRECTED) ||
-			   rt->u.dst.expires) {
+			   (rt->u.dst.expires &&
+			    time_after_eq(jiffies, rt->u.dst.expires))) {
 			unsigned hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
 						rt->fl.oif,
 						rt_genid(dev_net(dst->dev)));
@@ -1702,7 +1732,9 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
 
 static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
 {
-	return NULL;
+	if (rt_is_expired((struct rtable *)dst))
+		return NULL;
+	return dst;
 }
 
 static void ipv4_dst_destroy(struct dst_entry *dst)
@@ -1864,7 +1896,8 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 	if (!rth)
 		goto e_nobufs;
 
-	rth->u.dst.output= ip_rt_bug;
+	rth->u.dst.output = ip_rt_bug;
+	rth->u.dst.obsolete = -1;
 
 	atomic_set(&rth->u.dst.__refcnt, 1);
 	rth->u.dst.flags= DST_HOST;
@@ -1903,7 +1936,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 
 	in_dev_put(in_dev);
 	hash = rt_hash(daddr, saddr, dev->ifindex, rt_genid(dev_net(dev)));
-	return rt_intern_hash(hash, rth, NULL, skb);
+	return rt_intern_hash(hash, rth, NULL, skb, dev->ifindex);
 
 e_nobufs:
 	in_dev_put(in_dev);
@@ -2030,6 +2063,7 @@ static int __mkroute_input(struct sk_buff *skb,
 	rth->fl.oif 	= 0;
 	rth->rt_spec_dst= spec_dst;
 
+	rth->u.dst.obsolete = -1;
 	rth->u.dst.input = ip_forward;
 	rth->u.dst.output = ip_output;
 	rth->rt_genid = rt_genid(dev_net(rth->u.dst.dev));
@@ -2069,7 +2103,7 @@ static int ip_mkroute_input(struct sk_buff *skb,
 	/* put it into the cache */
 	hash = rt_hash(daddr, saddr, fl->iif,
 		       rt_genid(dev_net(rth->u.dst.dev)));
-	return rt_intern_hash(hash, rth, NULL, skb);
+	return rt_intern_hash(hash, rth, NULL, skb, fl->iif);
 }
 
 /*
@@ -2194,6 +2228,7 @@ local_input:
 		goto e_nobufs;
 
 	rth->u.dst.output= ip_rt_bug;
+	rth->u.dst.obsolete = -1;
 	rth->rt_genid = rt_genid(net);
 
 	atomic_set(&rth->u.dst.__refcnt, 1);
@@ -2225,7 +2260,7 @@ local_input:
 	}
 	rth->rt_type	= res.type;
 	hash = rt_hash(daddr, saddr, fl.iif, rt_genid(net));
-	err = rt_intern_hash(hash, rth, NULL, skb);
+	err = rt_intern_hash(hash, rth, NULL, skb, fl.iif);
 	goto done;
 
 no_route:
@@ -2420,6 +2455,7 @@ static int __mkroute_output(struct rtable **result,
 	rth->rt_spec_dst= fl->fl4_src;
 
 	rth->u.dst.output=ip_output;
+	rth->u.dst.obsolete = -1;
 	rth->rt_genid = rt_genid(dev_net(dev_out));
 
 	RT_CACHE_STAT_INC(out_slow_tot);
@@ -2471,7 +2507,7 @@ static int ip_mkroute_output(struct rtable **rp,
 	if (err == 0) {
 		hash = rt_hash(oldflp->fl4_dst, oldflp->fl4_src, oldflp->oif,
 			       rt_genid(dev_net(dev_out)));
-		err = rt_intern_hash(hash, rth, rp, NULL);
+		err = rt_intern_hash(hash, rth, rp, NULL, oldflp->oif);
 	}
 
 	return err;
@@ -3077,22 +3113,20 @@ static void rt_secret_reschedule(int old)
 	rtnl_lock();
 	for_each_net(net) {
 		int deleted = del_timer_sync(&net->ipv4.rt_secret_timer);
+		long time;
 
 		if (!new)
 			continue;
 
 		if (deleted) {
-			long time = net->ipv4.rt_secret_timer.expires - jiffies;
+			time = net->ipv4.rt_secret_timer.expires - jiffies;
 
 			if (time <= 0 || (time += diff) <= 0)
 				time = 0;
-
-			net->ipv4.rt_secret_timer.expires = time;
 		} else
-			net->ipv4.rt_secret_timer.expires = new;
+			time = new;
 
-		net->ipv4.rt_secret_timer.expires += jiffies;
-		add_timer(&net->ipv4.rt_secret_timer);
+		mod_timer(&net->ipv4.rt_secret_timer, jiffies + time);
 	}
 	rtnl_unlock();
 }
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 5901010fad55..6afb6d8662b2 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -429,7 +429,7 @@ unsigned int tcp_poll(struct file *file, struct socket *sock, poll_table *wait)
 		if (tp->urg_seq == tp->copied_seq &&
 		    !sock_flag(sk, SOCK_URGINLINE) &&
 		    tp->urg_data)
-			target--;
+			target++;
 
 		/* Potential race condition. If read of tp below will
 		 * escape above sk->sk_state, we can be illegally awaken
@@ -1254,6 +1254,39 @@ static void tcp_prequeue_process(struct sock *sk)
 	tp->ucopy.memory = 0;
 }
 
+#ifdef CONFIG_NET_DMA
+static void tcp_service_net_dma(struct sock *sk, bool wait)
+{
+	dma_cookie_t done, used;
+	dma_cookie_t last_issued;
+	struct tcp_sock *tp = tcp_sk(sk);
+
+	if (!tp->ucopy.dma_chan)
+		return;
+
+	last_issued = tp->ucopy.dma_cookie;
+	dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+
+	do {
+		if (dma_async_memcpy_complete(tp->ucopy.dma_chan,
+					      last_issued, &done,
+					      &used) == DMA_SUCCESS) {
+			/* Safe to free early-copied skbs now */
+			__skb_queue_purge(&sk->sk_async_wait_queue);
+			break;
+		} else {
+			struct sk_buff *skb;
+			while ((skb = skb_peek(&sk->sk_async_wait_queue)) &&
+			       (dma_async_is_complete(skb->dma_cookie, done,
+						      used) == DMA_SUCCESS)) {
+				__skb_dequeue(&sk->sk_async_wait_queue);
+				kfree_skb(skb);
+			}
+		}
+	} while (wait);
+}
+#endif
+
 static inline struct sk_buff *tcp_recv_skb(struct sock *sk, u32 seq, u32 *off)
 {
 	struct sk_buff *skb;
@@ -1546,6 +1579,10 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 			/* __ Set realtime policy in scheduler __ */
 		}
 
+#ifdef CONFIG_NET_DMA
+		if (tp->ucopy.dma_chan)
+			dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+#endif
 		if (copied >= target) {
 			/* Do not sleep, just process backlog. */
 			release_sock(sk);
@@ -1554,6 +1591,7 @@ int tcp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 			sk_wait_data(sk, &timeo);
 
 #ifdef CONFIG_NET_DMA
+		tcp_service_net_dma(sk, false);  /* Don't block */
 		tp->ucopy.wakeup = 0;
 #endif
 
@@ -1633,6 +1671,9 @@ do_prequeue:
 						copied = -EFAULT;
 					break;
 				}
+
+				dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
+
 				if ((offset + used) == skb->len)
 					copied_early = 1;
 
@@ -1702,27 +1743,9 @@ skip_copy:
 	}
 
 #ifdef CONFIG_NET_DMA
-	if (tp->ucopy.dma_chan) {
-		dma_cookie_t done, used;
-
-		dma_async_memcpy_issue_pending(tp->ucopy.dma_chan);
-
-		while (dma_async_memcpy_complete(tp->ucopy.dma_chan,
-						 tp->ucopy.dma_cookie, &done,
-						 &used) == DMA_IN_PROGRESS) {
-			/* do partial cleanup of sk_async_wait_queue */
-			while ((skb = skb_peek(&sk->sk_async_wait_queue)) &&
-			       (dma_async_is_complete(skb->dma_cookie, done,
-						      used) == DMA_SUCCESS)) {
-				__skb_dequeue(&sk->sk_async_wait_queue);
-				kfree_skb(skb);
-			}
-		}
+	tcp_service_net_dma(sk, true);  /* Wait for queue to drain */
+	tp->ucopy.dma_chan = NULL;
 
-		/* Safe to free early-copied skbs now */
-		__skb_queue_purge(&sk->sk_async_wait_queue);
-		tp->ucopy.dma_chan = NULL;
-	}
 	if (tp->ucopy.pinned_list) {
 		dma_unpin_iovec_pages(tp->ucopy.pinned_list);
 		tp->ucopy.pinned_list = NULL;
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 788851ca8c5d..c096a4218b8f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2511,6 +2511,9 @@ static void tcp_mark_head_lost(struct sock *sk, int packets)
 	int err;
 	unsigned int mss;
 
+	if (packets == 0)
+		return;
+
 	WARN_ON(packets > tp->packets_out);
 	if (tp->lost_skb_hint) {
 		skb = tp->lost_skb_hint;
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index c3588b4fd979..f4df5f931f36 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -370,6 +370,11 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info)
 	if (sk->sk_state == TCP_CLOSE)
 		goto out;
 
+	if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) {
+		NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
+		goto out;
+	}
+
 	icsk = inet_csk(sk);
 	tp = tcp_sk(sk);
 	seq = ntohl(th->seq);
@@ -1651,13 +1656,15 @@ int tcp_v4_rcv(struct sk_buff *skb)
 	if (!sk)
 		goto no_tcp_socket;
 
-	if (iph->ttl < inet_sk(sk)->min_ttl)
-		goto discard_and_relse;
-
 process:
 	if (sk->sk_state == TCP_TIME_WAIT)
 		goto do_time_wait;
 
+	if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) {
+		NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP);
+		goto discard_and_relse;
+	}
+
 	if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb))
 		goto discard_and_relse;
 	nf_reset(skb);
@@ -1682,8 +1689,11 @@ process:
 			if (!tcp_prequeue(sk, skb))
 				ret = tcp_v4_do_rcv(sk, skb);
 		}
-	} else
-		sk_add_backlog(sk, skb);
+	} else if (unlikely(sk_add_backlog(sk, skb))) {
+		bh_unlock_sock(sk);
+		NET_INC_STATS_BH(net, LINUX_MIB_TCPBACKLOGDROP);
+		goto discard_and_relse;
+	}
 	bh_unlock_sock(sk);
 
 	sock_put(sk);
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index f206ee5dda80..4199bc6915c5 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -728,7 +728,7 @@ int tcp_child_process(struct sock *parent, struct sock *child,
 		 * in main socket hash table and lock on listening
 		 * socket does not protect us more.
 		 */
-		sk_add_backlog(child, skb);
+		__sk_add_backlog(child, skb);
 	}
 
 	bh_unlock_sock(child);
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 4a1605d3f909..f181b78f2385 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -2395,13 +2395,17 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 	struct tcp_extend_values *xvp = tcp_xv(rvp);
 	struct inet_request_sock *ireq = inet_rsk(req);
 	struct tcp_sock *tp = tcp_sk(sk);
+	const struct tcp_cookie_values *cvp = tp->cookie_values;
 	struct tcphdr *th;
 	struct sk_buff *skb;
 	struct tcp_md5sig_key *md5;
 	int tcp_header_size;
 	int mss;
+	int s_data_desired = 0;
 
-	skb = sock_wmalloc(sk, MAX_TCP_HEADER + 15, 1, GFP_ATOMIC);
+	if (cvp != NULL && cvp->s_data_constant && cvp->s_data_desired)
+		s_data_desired = cvp->s_data_desired;
+	skb = sock_wmalloc(sk, MAX_TCP_HEADER + 15 + s_data_desired, 1, GFP_ATOMIC);
 	if (skb == NULL)
 		return NULL;
 
@@ -2457,16 +2461,12 @@ struct sk_buff *tcp_make_synack(struct sock *sk, struct dst_entry *dst,
 			     TCPCB_FLAG_SYN | TCPCB_FLAG_ACK);
 
 	if (OPTION_COOKIE_EXTENSION & opts.options) {
-		const struct tcp_cookie_values *cvp = tp->cookie_values;
-
-		if (cvp != NULL &&
-		    cvp->s_data_constant &&
-		    cvp->s_data_desired > 0) {
-			u8 *buf = skb_put(skb, cvp->s_data_desired);
+		if (s_data_desired) {
+			u8 *buf = skb_put(skb, s_data_desired);
 
 			/* copy data directly from the listening socket. */
-			memcpy(buf, cvp->s_data_payload, cvp->s_data_desired);
-			TCP_SKB_CB(skb)->end_seq += cvp->s_data_desired;
+			memcpy(buf, cvp->s_data_payload, s_data_desired);
+			TCP_SKB_CB(skb)->end_seq += s_data_desired;
 		}
 
 		if (opts.hash_size > 0) {
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index a17629b8912e..b2e6bbccaee1 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -134,7 +134,7 @@ static void tcp_mtu_probing(struct inet_connection_sock *icsk, struct sock *sk)
 }
 
 /* This function calculates a "timeout" which is equivalent to the timeout of a
- * TCP connection after "boundary" unsucessful, exponentially backed-off
+ * TCP connection after "boundary" unsuccessful, exponentially backed-off
  * retransmissions with an initial RTO of TCP_RTO_MIN.
  */
 static bool retransmits_timed_out(struct sock *sk,
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 608a5446d05b..7af756d0f931 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1371,8 +1371,10 @@ int udp_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
 	bh_lock_sock(sk);
 	if (!sock_owned_by_user(sk))
 		rc = __udp_queue_rcv_skb(sk, skb);
-	else
-		sk_add_backlog(sk, skb);
+	else if (sk_add_backlog(sk, skb)) {
+		bh_unlock_sock(sk);
+		goto drop;
+	}
 	bh_unlock_sock(sk);
 
 	return rc;
diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c
index 67107d63c1cd..e4a1483fba77 100644
--- a/net/ipv4/xfrm4_policy.c
+++ b/net/ipv4/xfrm4_policy.c
@@ -91,11 +91,12 @@ static int xfrm4_init_path(struct xfrm_dst *path, struct dst_entry *dst,
 	return 0;
 }
 
-static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
+static int xfrm4_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
+			  struct flowi *fl)
 {
 	struct rtable *rt = (struct rtable *)xdst->route;
 
-	xdst->u.rt.fl = rt->fl;
+	xdst->u.rt.fl = *fl;
 
 	xdst->u.dst.dev = dev;
 	dev_hold(dev);
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 88fd8c5877ee..7e567ae5eaab 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -1380,6 +1380,8 @@ static void addrconf_dad_stop(struct inet6_ifaddr *ifp, int dad_failed)
 		if (dad_failed)
 			ifp->flags |= IFA_F_DADFAILED;
 		spin_unlock_bh(&ifp->lock);
+		if (dad_failed)
+			ipv6_ifa_notify(0, ifp);
 		in6_ifa_put(ifp);
 #ifdef CONFIG_IPV6_PRIVACY
 	} else if (ifp->flags&IFA_F_TEMPORARY) {
@@ -2615,7 +2617,7 @@ static void addrconf_bonding_change(struct net_device *dev, unsigned long event)
 static int addrconf_ifdown(struct net_device *dev, int how)
 {
 	struct inet6_dev *idev;
-	struct inet6_ifaddr *ifa, **bifa;
+	struct inet6_ifaddr *ifa, *keep_list, **bifa;
 	struct net *net = dev_net(dev);
 	int i;
 
@@ -2649,11 +2651,11 @@ static int addrconf_ifdown(struct net_device *dev, int how)
 		write_lock_bh(&addrconf_hash_lock);
 		while ((ifa = *bifa) != NULL) {
 			if (ifa->idev == idev &&
-			    (how || !(ifa->flags&IFA_F_PERMANENT))) {
+			    (how || !(ifa->flags&IFA_F_PERMANENT) ||
+			     ipv6_addr_type(&ifa->addr) & IPV6_ADDR_LINKLOCAL)) {
 				*bifa = ifa->lst_next;
 				ifa->lst_next = NULL;
-				addrconf_del_timer(ifa);
-				in6_ifa_put(ifa);
+				__in6_ifa_put(ifa);
 				continue;
 			}
 			bifa = &ifa->lst_next;
@@ -2689,31 +2691,51 @@ static int addrconf_ifdown(struct net_device *dev, int how)
 		write_lock_bh(&idev->lock);
 	}
 #endif
-	bifa = &idev->addr_list;
-	while ((ifa = *bifa) != NULL) {
-		if (how == 0 && (ifa->flags&IFA_F_PERMANENT)) {
-			/* Retain permanent address on admin down */
+	keep_list = NULL;
+	bifa = &keep_list;
+	while ((ifa = idev->addr_list) != NULL) {
+		idev->addr_list = ifa->if_next;
+		ifa->if_next = NULL;
+
+		addrconf_del_timer(ifa);
+
+		/* If just doing link down, and address is permanent
+		   and not link-local, then retain it. */
+		if (how == 0 &&
+		    (ifa->flags&IFA_F_PERMANENT) &&
+		    !(ipv6_addr_type(&ifa->addr) & IPV6_ADDR_LINKLOCAL)) {
+
+			/* Move to holding list */
+			*bifa = ifa;
 			bifa = &ifa->if_next;
 
-			/* Restart DAD if needed when link comes back up */
-			if ( !((dev->flags&(IFF_NOARP|IFF_LOOPBACK)) ||
-			       idev->cnf.accept_dad <= 0 ||
-			       (ifa->flags & IFA_F_NODAD)))
-				ifa->flags |= IFA_F_TENTATIVE;
-		} else {
-			*bifa = ifa->if_next;
-			ifa->if_next = NULL;
+			/* If not doing DAD on this address, just keep it. */
+			if ((dev->flags&(IFF_NOARP|IFF_LOOPBACK)) ||
+			    idev->cnf.accept_dad <= 0 ||
+			    (ifa->flags & IFA_F_NODAD))
+				continue;
 
+			/* If it was tentative already, no need to notify */
+			if (ifa->flags & IFA_F_TENTATIVE)
+				continue;
+
+			/* Flag it for later restoration when link comes up */
+			ifa->flags |= IFA_F_TENTATIVE;
+			in6_ifa_hold(ifa);
+		} else {
 			ifa->dead = 1;
-			write_unlock_bh(&idev->lock);
+		}
+		write_unlock_bh(&idev->lock);
 
-			__ipv6_ifa_notify(RTM_DELADDR, ifa);
-			atomic_notifier_call_chain(&inet6addr_chain, NETDEV_DOWN, ifa);
-			in6_ifa_put(ifa);
+		__ipv6_ifa_notify(RTM_DELADDR, ifa);
+		atomic_notifier_call_chain(&inet6addr_chain, NETDEV_DOWN, ifa);
+		in6_ifa_put(ifa);
 
-			write_lock_bh(&idev->lock);
-		}
+		write_lock_bh(&idev->lock);
 	}
+
+	idev->addr_list = keep_list;
+
 	write_unlock_bh(&idev->lock);
 
 	/* Step 5: Discard multicast list */
@@ -2739,28 +2761,29 @@ static int addrconf_ifdown(struct net_device *dev, int how)
 static void addrconf_rs_timer(unsigned long data)
 {
 	struct inet6_ifaddr *ifp = (struct inet6_ifaddr *) data;
+	struct inet6_dev *idev = ifp->idev;
 
-	if (ifp->idev->cnf.forwarding)
+	read_lock(&idev->lock);
+	if (idev->dead || !(idev->if_flags & IF_READY))
 		goto out;
 
-	if (ifp->idev->if_flags & IF_RA_RCVD) {
-		/*
-		 *	Announcement received after solicitation
-		 *	was sent
-		 */
+	if (idev->cnf.forwarding)
+		goto out;
+
+	/* Announcement received after solicitation was sent */
+	if (idev->if_flags & IF_RA_RCVD)
 		goto out;
-	}
 
 	spin_lock(&ifp->lock);
-	if (ifp->probes++ < ifp->idev->cnf.rtr_solicits) {
+	if (ifp->probes++ < idev->cnf.rtr_solicits) {
 		/* The wait after the last probe can be shorter */
 		addrconf_mod_timer(ifp, AC_RS,
-				   (ifp->probes == ifp->idev->cnf.rtr_solicits) ?
-				   ifp->idev->cnf.rtr_solicit_delay :
-				   ifp->idev->cnf.rtr_solicit_interval);
+				   (ifp->probes == idev->cnf.rtr_solicits) ?
+				   idev->cnf.rtr_solicit_delay :
+				   idev->cnf.rtr_solicit_interval);
 		spin_unlock(&ifp->lock);
 
-		ndisc_send_rs(ifp->idev->dev, &ifp->addr, &in6addr_linklocal_allrouters);
+		ndisc_send_rs(idev->dev, &ifp->addr, &in6addr_linklocal_allrouters);
 	} else {
 		spin_unlock(&ifp->lock);
 		/*
@@ -2768,10 +2791,11 @@ static void addrconf_rs_timer(unsigned long data)
 		 * assumption any longer.
 		 */
 		printk(KERN_DEBUG "%s: no IPv6 routers present\n",
-		       ifp->idev->dev->name);
+		       idev->dev->name);
 	}
 
 out:
+	read_unlock(&idev->lock);
 	in6_ifa_put(ifp);
 }
 
@@ -2850,9 +2874,9 @@ static void addrconf_dad_timer(unsigned long data)
 	struct inet6_dev *idev = ifp->idev;
 	struct in6_addr mcaddr;
 
-	read_lock_bh(&idev->lock);
-	if (idev->dead) {
-		read_unlock_bh(&idev->lock);
+	read_lock(&idev->lock);
+	if (idev->dead || !(idev->if_flags & IF_READY)) {
+		read_unlock(&idev->lock);
 		goto out;
 	}
 
@@ -2864,7 +2888,7 @@ static void addrconf_dad_timer(unsigned long data)
 
 		ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED);
 		spin_unlock(&ifp->lock);
-		read_unlock_bh(&idev->lock);
+		read_unlock(&idev->lock);
 
 		addrconf_dad_completed(ifp);
 
@@ -2874,7 +2898,7 @@ static void addrconf_dad_timer(unsigned long data)
 	ifp->probes--;
 	addrconf_mod_timer(ifp, AC_DAD, ifp->idev->nd_parms->retrans_time);
 	spin_unlock(&ifp->lock);
-	read_unlock_bh(&idev->lock);
+	read_unlock(&idev->lock);
 
 	/* send a neighbour solicitation for our addr */
 	addrconf_addr_solict_mult(&ifp->addr, &mcaddr);
@@ -3586,7 +3610,7 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb,
 		hlist_for_each_entry_rcu(dev, node, head, index_hlist) {
 			if (idx < s_idx)
 				goto cont;
-			if (idx > s_idx)
+			if (h > s_h || idx > s_idx)
 				s_ip_idx = 0;
 			ip_idx = 0;
 			if ((idev = __in6_dev_get(dev)) == NULL)
diff --git a/net/ipv6/fib6_rules.c b/net/ipv6/fib6_rules.c
index 551882b9dfd6..5e463c43fcc2 100644
--- a/net/ipv6/fib6_rules.c
+++ b/net/ipv6/fib6_rules.c
@@ -84,18 +84,11 @@ static int fib6_rule_action(struct fib_rule *rule, struct flowi *flp,
 		if ((rule->flags & FIB_RULE_FIND_SADDR) &&
 		    r->src.plen && !(flags & RT6_LOOKUP_F_HAS_SADDR)) {
 			struct in6_addr saddr;
-			unsigned int srcprefs = 0;
-
-			if (flags & RT6_LOOKUP_F_SRCPREF_TMP)
-				srcprefs |= IPV6_PREFER_SRC_TMP;
-			if (flags & RT6_LOOKUP_F_SRCPREF_PUBLIC)
-				srcprefs |= IPV6_PREFER_SRC_PUBLIC;
-			if (flags & RT6_LOOKUP_F_SRCPREF_COA)
-				srcprefs |= IPV6_PREFER_SRC_COA;
 
 			if (ipv6_dev_get_saddr(net,
 					       ip6_dst_idev(&rt->u.dst)->dev,
-					       &flp->fl6_dst, srcprefs,
+					       &flp->fl6_dst,
+					       rt6_flags2srcprefs(flags),
 					       &saddr))
 				goto again;
 			if (!ipv6_prefix_equal(&saddr, &r->src.addr,
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 52e0f74fdfe0..27acfb58650a 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -1113,6 +1113,9 @@ static int ip6mr_mfc_add(struct net *net, struct mf6cctl *mfc, int mrtsock)
 	unsigned char ttls[MAXMIFS];
 	int i;
 
+	if (mfc->mf6cc_parent >= MAXMIFS)
+		return -ENFILE;
+
 	memset(ttls, 255, MAXMIFS);
 	for (i = 0; i < MAXMIFS; i++) {
 		if (IF_ISSET(i, &mfc->mf6cc_ifset))
@@ -1692,17 +1695,20 @@ ip6mr_fill_mroute(struct sk_buff *skb, struct mfc6_cache *c, struct rtmsg *rtm)
 	int ct;
 	struct rtnexthop *nhp;
 	struct net *net = mfc6_net(c);
-	struct net_device *dev = net->ipv6.vif6_table[c->mf6c_parent].dev;
 	u8 *b = skb_tail_pointer(skb);
 	struct rtattr *mp_head;
 
-	if (dev)
-		RTA_PUT(skb, RTA_IIF, 4, &dev->ifindex);
+	/* If cache is unresolved, don't try to parse IIF and OIF */
+	if (c->mf6c_parent > MAXMIFS)
+		return -ENOENT;
+
+	if (MIF_EXISTS(net, c->mf6c_parent))
+		RTA_PUT(skb, RTA_IIF, 4, &net->ipv6.vif6_table[c->mf6c_parent].dev->ifindex);
 
 	mp_head = (struct rtattr *)skb_put(skb, RTA_LENGTH(0));
 
 	for (ct = c->mfc_un.res.minvif; ct < c->mfc_un.res.maxvif; ct++) {
-		if (c->mfc_un.res.ttls[ct] < 255) {
+		if (MIF_EXISTS(net, ct) && c->mfc_un.res.ttls[ct] < 255) {
 			if (skb_tailroom(skb) < RTA_ALIGN(RTA_ALIGN(sizeof(*nhp)) + 4))
 				goto rtattr_failure;
 			nhp = (struct rtnexthop *)skb_put(skb, RTA_ALIGN(sizeof(*nhp)));
diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c
index aef31a29de9e..b9cf7cd61923 100644
--- a/net/ipv6/netfilter/ip6table_raw.c
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -13,7 +13,7 @@ static const struct xt_table packet_raw = {
 	.valid_hooks = RAW_VALID_HOOKS,
 	.me = THIS_MODULE,
 	.af = NFPROTO_IPV6,
-	.priority = NF_IP6_PRI_FIRST,
+	.priority = NF_IP6_PRI_RAW,
 };
 
 /* The work comes in here from netfilter.c. */
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index b08879e97f22..0d7713c5c206 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -819,15 +819,8 @@ struct dst_entry * ip6_route_output(struct net *net, struct sock *sk,
 
 	if (!ipv6_addr_any(&fl->fl6_src))
 		flags |= RT6_LOOKUP_F_HAS_SADDR;
-	else if (sk) {
-		unsigned int prefs = inet6_sk(sk)->srcprefs;
-		if (prefs & IPV6_PREFER_SRC_TMP)
-			flags |= RT6_LOOKUP_F_SRCPREF_TMP;
-		if (prefs & IPV6_PREFER_SRC_PUBLIC)
-			flags |= RT6_LOOKUP_F_SRCPREF_PUBLIC;
-		if (prefs & IPV6_PREFER_SRC_COA)
-			flags |= RT6_LOOKUP_F_SRCPREF_COA;
-	}
+	else if (sk)
+		flags |= rt6_srcprefs2flags(inet6_sk(sk)->srcprefs);
 
 	return fib6_rule_lookup(net, fl, flags, ip6_pol_route_output);
 }
@@ -886,7 +879,7 @@ static struct dst_entry *ip6_dst_check(struct dst_entry *dst, u32 cookie)
 
 	rt = (struct rt6_info *) dst;
 
-	if (rt && rt->rt6i_node && (rt->rt6i_node->fn_sernum == cookie))
+	if (rt->rt6i_node && (rt->rt6i_node->fn_sernum == cookie))
 		return dst;
 
 	return NULL;
@@ -897,12 +890,17 @@ static struct dst_entry *ip6_negative_advice(struct dst_entry *dst)
 	struct rt6_info *rt = (struct rt6_info *) dst;
 
 	if (rt) {
-		if (rt->rt6i_flags & RTF_CACHE)
-			ip6_del_rt(rt);
-		else
+		if (rt->rt6i_flags & RTF_CACHE) {
+			if (rt6_check_expired(rt)) {
+				ip6_del_rt(rt);
+				dst = NULL;
+			}
+		} else {
 			dst_release(dst);
+			dst = NULL;
+		}
 	}
-	return NULL;
+	return dst;
 }
 
 static void ip6_link_failure(struct sk_buff *skb)
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 6963a6b6763e..9b6dbba80d31 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -1740,8 +1740,11 @@ process:
 			if (!tcp_prequeue(sk, skb))
 				ret = tcp_v6_do_rcv(sk, skb);
 		}
-	} else
-		sk_add_backlog(sk, skb);
+	} else if (unlikely(sk_add_backlog(sk, skb))) {
+		bh_unlock_sock(sk);
+		NET_INC_STATS_BH(net, LINUX_MIB_TCPBACKLOGDROP);
+		goto discard_and_relse;
+	}
 	bh_unlock_sock(sk);
 
 	sock_put(sk);
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 52b8347ae3b2..3c0c9c755c92 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -583,16 +583,20 @@ static void flush_stack(struct sock **stack, unsigned int count,
 			bh_lock_sock(sk);
 			if (!sock_owned_by_user(sk))
 				udpv6_queue_rcv_skb(sk, skb1);
-			else
-				sk_add_backlog(sk, skb1);
+			else if (sk_add_backlog(sk, skb1)) {
+				kfree_skb(skb1);
+				bh_unlock_sock(sk);
+				goto drop;
+			}
 			bh_unlock_sock(sk);
-		} else {
-			atomic_inc(&sk->sk_drops);
-			UDP6_INC_STATS_BH(sock_net(sk),
-					UDP_MIB_RCVBUFERRORS, IS_UDPLITE(sk));
-			UDP6_INC_STATS_BH(sock_net(sk),
-					UDP_MIB_INERRORS, IS_UDPLITE(sk));
+			continue;
 		}
+drop:
+		atomic_inc(&sk->sk_drops);
+		UDP6_INC_STATS_BH(sock_net(sk),
+				UDP_MIB_RCVBUFERRORS, IS_UDPLITE(sk));
+		UDP6_INC_STATS_BH(sock_net(sk),
+				UDP_MIB_INERRORS, IS_UDPLITE(sk));
 	}
 }
 /*
@@ -754,8 +758,12 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable,
 	bh_lock_sock(sk);
 	if (!sock_owned_by_user(sk))
 		udpv6_queue_rcv_skb(sk, skb);
-	else
-		sk_add_backlog(sk, skb);
+	else if (sk_add_backlog(sk, skb)) {
+		atomic_inc(&sk->sk_drops);
+		bh_unlock_sock(sk);
+		sock_put(sk);
+		goto discard;
+	}
 	bh_unlock_sock(sk);
 	sock_put(sk);
 	return 0;
diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c
index dbdc696f5fc5..ae181651c75a 100644
--- a/net/ipv6/xfrm6_policy.c
+++ b/net/ipv6/xfrm6_policy.c
@@ -116,7 +116,8 @@ static int xfrm6_init_path(struct xfrm_dst *path, struct dst_entry *dst,
 	return 0;
 }
 
-static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
+static int xfrm6_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
+			  struct flowi *fl)
 {
 	struct rt6_info *rt = (struct rt6_info*)xdst->route;
 
diff --git a/net/key/af_key.c b/net/key/af_key.c
index 368707882647..344145f23c34 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -2129,10 +2129,9 @@ static int key_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *c
 	int err;
 
 	out_skb = pfkey_xfrm_policy2msg_prep(xp);
-	if (IS_ERR(out_skb)) {
-		err = PTR_ERR(out_skb);
-		goto out;
-	}
+	if (IS_ERR(out_skb))
+		return PTR_ERR(out_skb);
+
 	err = pfkey_xfrm_policy2msg(out_skb, xp, dir);
 	if (err < 0)
 		return err;
@@ -2148,7 +2147,6 @@ static int key_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *c
 	out_hdr->sadb_msg_seq = c->seq;
 	out_hdr->sadb_msg_pid = c->pid;
 	pfkey_broadcast(out_skb, GFP_ATOMIC, BROADCAST_ALL, NULL, xp_net(xp));
-out:
 	return 0;
 
 }
diff --git a/net/llc/llc_c_ac.c b/net/llc/llc_c_ac.c
index 019c780512e8..86d6985b9d49 100644
--- a/net/llc/llc_c_ac.c
+++ b/net/llc/llc_c_ac.c
@@ -1437,7 +1437,7 @@ static void llc_process_tmr_ev(struct sock *sk, struct sk_buff *skb)
 			llc_conn_state_process(sk, skb);
 		else {
 			llc_set_backlog_type(skb, LLC_EVENT);
-			sk_add_backlog(sk, skb);
+			__sk_add_backlog(sk, skb);
 		}
 	}
 }
diff --git a/net/llc/llc_conn.c b/net/llc/llc_conn.c
index a8dde9b010da..a12144da7974 100644
--- a/net/llc/llc_conn.c
+++ b/net/llc/llc_conn.c
@@ -827,7 +827,8 @@ void llc_conn_handler(struct llc_sap *sap, struct sk_buff *skb)
 	else {
 		dprintk("%s: adding to backlog...\n", __func__);
 		llc_set_backlog_type(skb, LLC_PACKET);
-		sk_add_backlog(sk, skb);
+		if (sk_add_backlog(sk, skb))
+			goto drop_unlock;
 	}
 out:
 	bh_unlock_sock(sk);
diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 9affe2cd185f..b4ddb2f83914 100644
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -48,20 +48,24 @@ static ssize_t ieee80211_if_write(
 	ssize_t (*write)(struct ieee80211_sub_if_data *, const char *, int))
 {
 	u8 *buf;
-	ssize_t ret = -ENODEV;
+	ssize_t ret;
 
-	buf = kzalloc(count, GFP_KERNEL);
+	buf = kmalloc(count, GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 
+	ret = -EFAULT;
 	if (copy_from_user(buf, userbuf, count))
-		return -EFAULT;
+		goto freebuf;
 
+	ret = -ENODEV;
 	rtnl_lock();
 	if (sdata->dev->reg_state == NETREG_REGISTERED)
 		ret = (*write)(sdata, buf, count);
 	rtnl_unlock();
 
+freebuf:
+	kfree(buf);
 	return ret;
 }
 
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index bc4e20e57ff5..1a29c4a8139e 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -744,7 +744,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
 		break;
 	default:
 		/* should not get here, PLINK_BLOCKED is dealt with at the
-		 * beggining of the function
+		 * beginning of the function
 		 */
 		spin_unlock_bh(&sta->lock);
 		break;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 41812a15eea0..be5f723d643a 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -177,7 +177,8 @@ static u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
 		sta = sta_info_get(sdata, bssid);
 		if (sta)
 			rate_control_rate_update(local, sband, sta,
-						 IEEE80211_RC_HT_CHANGED);
+						 IEEE80211_RC_HT_CHANGED,
+						 local->oper_channel_type);
 		rcu_read_unlock();
         }
 
@@ -435,10 +436,12 @@ static void ieee80211_enable_ps(struct ieee80211_local *local,
 		if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)
 			ieee80211_send_nullfunc(local, sdata, 1);
 
-		if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS)) {
-			conf->flags |= IEEE80211_CONF_PS;
-			ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
-		}
+		if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) &&
+		    (local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS))
+			return;
+
+		conf->flags |= IEEE80211_CONF_PS;
+		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
 	}
 }
 
@@ -557,7 +560,8 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work)
 	    (!(ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)))
 		ieee80211_send_nullfunc(local, sdata, 1);
 
-	if (!(local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) ||
+	if (!((local->hw.flags & IEEE80211_HW_REPORTS_TX_ACK_STATUS) &&
+	      (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK)) ||
 	    (ifmgd->flags & IEEE80211_STA_NULLFUNC_ACKED)) {
 		ifmgd->flags &= ~IEEE80211_STA_NULLFUNC_ACKED;
 		local->hw.conf.flags |= IEEE80211_CONF_PS;
@@ -1893,8 +1897,20 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata,
 
 	mutex_lock(&ifmgd->mtx);
 	if (ifmgd->associated) {
-		mutex_unlock(&ifmgd->mtx);
-		return -EALREADY;
+		if (!req->prev_bssid ||
+		    memcmp(req->prev_bssid, ifmgd->associated->bssid,
+			   ETH_ALEN)) {
+			/*
+			 * We are already associated and the request was not a
+			 * reassociation request from the current BSS, so
+			 * reject it.
+			 */
+			mutex_unlock(&ifmgd->mtx);
+			return -EALREADY;
+		}
+
+		/* Trying to reassociate - clear previous association state */
+		ieee80211_set_disassoc(sdata);
 	}
 	mutex_unlock(&ifmgd->mtx);
 
diff --git a/net/mac80211/rate.h b/net/mac80211/rate.h
index b6108bca96d4..065a96190e32 100644
--- a/net/mac80211/rate.h
+++ b/net/mac80211/rate.h
@@ -66,7 +66,8 @@ static inline void rate_control_rate_init(struct sta_info *sta)
 
 static inline void rate_control_rate_update(struct ieee80211_local *local,
 				    struct ieee80211_supported_band *sband,
-				    struct sta_info *sta, u32 changed)
+				    struct sta_info *sta, u32 changed,
+				    enum nl80211_channel_type oper_chan_type)
 {
 	struct rate_control_ref *ref = local->rate_ctrl;
 	struct ieee80211_sta *ista = &sta->sta;
@@ -74,7 +75,7 @@ static inline void rate_control_rate_update(struct ieee80211_local *local,
 
 	if (ref && ref->ops->rate_update)
 		ref->ops->rate_update(ref->priv, sband, ista,
-				      priv_sta, changed);
+				      priv_sta, changed, oper_chan_type);
 }
 
 static inline void *rate_control_alloc_sta(struct rate_control_ref *ref,
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index 211c475f73c6..56422d894351 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -434,6 +434,7 @@ int sta_info_insert_rcu(struct sta_info *sta) __acquires(RCU)
 	/* check if STA exists already */
 	if (sta_info_get_bss(sdata, sta->sta.addr)) {
 		spin_unlock_irqrestore(&local->sta_lock, flags);
+		mutex_unlock(&local->sta_mtx);
 		rcu_read_lock();
 		err = -EEXIST;
 		goto out_free;
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index 2b2af631d2b8..569410a85953 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -582,7 +582,9 @@ nla_put_failure:
 nlmsg_failure:
 	kfree_skb(skb);
 errout:
-	nfnetlink_set_err(net, 0, group, -ENOBUFS);
+	if (nfnetlink_set_err(net, 0, group, -ENOBUFS) > 0)
+		return -ENOBUFS;
+
 	return 0;
 }
 #endif /* CONFIG_NF_CONNTRACK_EVENTS */
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index 8dd75d90efc0..c6cd1b84eddd 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -284,7 +284,7 @@ EXPORT_SYMBOL_GPL(ct_sip_parse_request);
  * tabs, spaces and continuation lines, which are treated as a single whitespace
  * character.
  *
- * Some headers may appear multiple times. A comma seperated list of values is
+ * Some headers may appear multiple times. A comma separated list of values is
  * equivalent to multiple headers.
  */
 static const struct sip_header ct_sip_hdrs[] = {
@@ -421,7 +421,7 @@ int ct_sip_get_header(const struct nf_conn *ct, const char *dptr,
 }
 EXPORT_SYMBOL_GPL(ct_sip_get_header);
 
-/* Get next header field in a list of comma seperated values */
+/* Get next header field in a list of comma separated values */
 static int ct_sip_next_header(const struct nf_conn *ct, const char *dptr,
 			      unsigned int dataoff, unsigned int datalen,
 			      enum sip_header_types type,
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 8eb0cc23ada3..6afa3d52ea5f 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -113,9 +113,9 @@ int nfnetlink_send(struct sk_buff *skb, struct net *net, u32 pid,
 }
 EXPORT_SYMBOL_GPL(nfnetlink_send);
 
-void nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error)
+int nfnetlink_set_err(struct net *net, u32 pid, u32 group, int error)
 {
-	netlink_set_err(net->nfnl, pid, group, error);
+	return netlink_set_err(net->nfnl, pid, group, error);
 }
 EXPORT_SYMBOL_GPL(nfnetlink_set_err);
 
diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c
index d952806b6469..215a64835de8 100644
--- a/net/netfilter/xt_hashlimit.c
+++ b/net/netfilter/xt_hashlimit.c
@@ -1,6 +1,6 @@
 /*
  *	xt_hashlimit - Netfilter module to limit the number of packets per time
- *	seperately for each hashbucket (sourceip/sourceport/dstip/dstport)
+ *	separately for each hashbucket (sourceip/sourceport/dstip/dstport)
  *
  *	(C) 2003-2004 by Harald Welte <laforge@netfilter.org>
  *	Copyright © CC Computer Consultants GmbH, 2007 - 2008
@@ -493,6 +493,7 @@ static void hashlimit_ipv6_mask(__be32 *i, unsigned int p)
 	case 64 ... 95:
 		i[2] = maskl(i[2], p - 64);
 		i[3] = 0;
+		break;
 	case 96 ... 127:
 		i[3] = maskl(i[3], p - 96);
 		break;
@@ -879,7 +880,8 @@ static void dl_seq_stop(struct seq_file *s, void *v)
 	struct xt_hashlimit_htable *htable = s->private;
 	unsigned int *bucket = (unsigned int *)v;
 
-	kfree(bucket);
+	if (!IS_ERR(bucket))
+		kfree(bucket);
 	spin_unlock_bh(&htable->lock);
 }
 
diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c
index 7073dbb8100c..971d172afece 100644
--- a/net/netfilter/xt_recent.c
+++ b/net/netfilter/xt_recent.c
@@ -267,7 +267,7 @@ recent_mt(const struct sk_buff *skb, const struct xt_match_param *par)
 		for (i = 0; i < e->nstamps; i++) {
 			if (info->seconds && time_after(time, e->stamps[i]))
 				continue;
-			if (info->hit_count && ++hits >= info->hit_count) {
+			if (!info->hit_count || ++hits >= info->hit_count) {
 				ret = !ret;
 				break;
 			}
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 320d0423a240..acbbae1e89b5 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1093,6 +1093,7 @@ static inline int do_one_set_err(struct sock *sk,
 				 struct netlink_set_err_data *p)
 {
 	struct netlink_sock *nlk = nlk_sk(sk);
+	int ret = 0;
 
 	if (sk == p->exclude_sk)
 		goto out;
@@ -1104,10 +1105,15 @@ static inline int do_one_set_err(struct sock *sk,
 	    !test_bit(p->group - 1, nlk->groups))
 		goto out;
 
+	if (p->code == ENOBUFS && nlk->flags & NETLINK_RECV_NO_ENOBUFS) {
+		ret = 1;
+		goto out;
+	}
+
 	sk->sk_err = p->code;
 	sk->sk_error_report(sk);
 out:
-	return 0;
+	return ret;
 }
 
 /**
@@ -1116,12 +1122,16 @@ out:
  * @pid: the PID of a process that we want to skip (if any)
  * @groups: the broadcast group that will notice the error
  * @code: error code, must be negative (as usual in kernelspace)
+ *
+ * This function returns the number of broadcast listeners that have set the
+ * NETLINK_RECV_NO_ENOBUFS socket option.
  */
-void netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
+int netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
 {
 	struct netlink_set_err_data info;
 	struct hlist_node *node;
 	struct sock *sk;
+	int ret = 0;
 
 	info.exclude_sk = ssk;
 	info.pid = pid;
@@ -1132,9 +1142,10 @@ void netlink_set_err(struct sock *ssk, u32 pid, u32 group, int code)
 	read_lock(&nl_table_lock);
 
 	sk_for_each_bound(sk, node, &nl_table[ssk->sk_protocol].mc_list)
-		do_one_set_err(sk, &info);
+		ret += do_one_set_err(sk, &info);
 
 	read_unlock(&nl_table_lock);
+	return ret;
 }
 EXPORT_SYMBOL(netlink_set_err);
 
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 031a5e6fb4aa..1612d417d10c 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1688,6 +1688,8 @@ static int packet_dev_mc(struct net_device *dev, struct packet_mclist *i,
 {
 	switch (i->type) {
 	case PACKET_MR_MULTICAST:
+		if (i->alen != dev->addr_len)
+			return -EINVAL;
 		if (what > 0)
 			return dev_mc_add(dev, i->addr, i->alen, 0);
 		else
@@ -1700,6 +1702,8 @@ static int packet_dev_mc(struct net_device *dev, struct packet_mclist *i,
 		return dev_set_allmulti(dev, what);
 		break;
 	case PACKET_MR_UNICAST:
+		if (i->alen != dev->addr_len)
+			return -EINVAL;
 		if (what > 0)
 			return dev_unicast_add(dev, i->addr);
 		else
@@ -1734,7 +1738,7 @@ static int packet_mc_add(struct sock *sk, struct packet_mreq_max *mreq)
 		goto done;
 
 	err = -EINVAL;
-	if (mreq->mr_alen != dev->addr_len)
+	if (mreq->mr_alen > dev->addr_len)
 		goto done;
 
 	err = -ENOBUFS;
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index c597cc53a6fb..5c6ae0c701c0 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -107,8 +107,7 @@ static void phonet_device_destroy(struct net_device *dev)
 	if (pnd) {
 		u8 addr;
 
-		for (addr = find_first_bit(pnd->addrs, 64); addr < 64;
-			addr = find_next_bit(pnd->addrs, 64, 1+addr))
+		for_each_set_bit(addr, pnd->addrs, 64)
 			phonet_address_notify(RTM_DELADDR, dev, addr);
 		kfree(pnd);
 	}
diff --git a/net/phonet/pn_netlink.c b/net/phonet/pn_netlink.c
index 2e6c7eb8e76a..fe2e7088ee07 100644
--- a/net/phonet/pn_netlink.c
+++ b/net/phonet/pn_netlink.c
@@ -141,8 +141,7 @@ static int getaddr_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
 			continue;
 
 		addr_idx = 0;
-		for (addr = find_first_bit(pnd->addrs, 64); addr < 64;
-			addr = find_next_bit(pnd->addrs, 64, 1+addr)) {
+		for_each_set_bit(addr, pnd->addrs, 64) {
 			if (addr_idx++ < addr_start_idx)
 				continue;
 
diff --git a/net/rfkill/input.c b/net/rfkill/input.c
index a7295ad5f9cb..3713d7ecab96 100644
--- a/net/rfkill/input.c
+++ b/net/rfkill/input.c
@@ -212,6 +212,9 @@ static void rfkill_event(struct input_handle *handle, unsigned int type,
 		case KEY_WIMAX:
 			rfkill_schedule_toggle(RFKILL_TYPE_WIMAX);
 			break;
+		case KEY_RFKILL:
+			rfkill_schedule_toggle(RFKILL_TYPE_ALL);
+			break;
 		}
 	} else if (type == EV_SW && code == SW_RFKILL_ALL)
 		rfkill_schedule_evsw_rfkillall(data);
@@ -295,6 +298,11 @@ static const struct input_device_id rfkill_ids[] = {
 		.keybit = { [BIT_WORD(KEY_WIMAX)] = BIT_MASK(KEY_WIMAX) },
 	},
 	{
+		.flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_KEYBIT,
+		.evbit = { BIT_MASK(EV_KEY) },
+		.keybit = { [BIT_WORD(KEY_RFKILL)] = BIT_MASK(KEY_RFKILL) },
+	},
+	{
 		.flags = INPUT_DEVICE_ID_MATCH_EVBIT | INPUT_DEVICE_ID_MATCH_SWBIT,
 		.evbit = { BIT(EV_SW) },
 		.swbit = { [BIT_WORD(SW_RFKILL_ALL)] = BIT_MASK(SW_RFKILL_ALL) },
diff --git a/net/rxrpc/ar-accept.c b/net/rxrpc/ar-accept.c
index 77228f28fa36..2d744f22a9a1 100644
--- a/net/rxrpc/ar-accept.c
+++ b/net/rxrpc/ar-accept.c
@@ -88,6 +88,11 @@ static int rxrpc_accept_incoming_call(struct rxrpc_local *local,
 
 	/* get a notification message to send to the server app */
 	notification = alloc_skb(0, GFP_NOFS);
+	if (!notification) {
+		_debug("no memory");
+		ret = -ENOMEM;
+		goto error_nofree;
+	}
 	rxrpc_new_skb(notification);
 	notification->mark = RXRPC_SKB_MARK_NEW_CALL;
 
@@ -189,6 +194,7 @@ invalid_service:
 	ret = -ECONNREFUSED;
 error:
 	rxrpc_free_skb(notification);
+error_nofree:
 	_leave(" = %d", ret);
 	return ret;
 }
diff --git a/net/sched/Kconfig b/net/sched/Kconfig
index 21f9c7678aa3..2f691fb180d1 100644
--- a/net/sched/Kconfig
+++ b/net/sched/Kconfig
@@ -328,13 +328,16 @@ config NET_CLS_FLOW
 	  module will be called cls_flow.
 
 config NET_CLS_CGROUP
-	bool "Control Group Classifier"
+	tristate "Control Group Classifier"
 	select NET_CLS
 	depends on CGROUPS
 	---help---
 	  Say Y here if you want to classify packets based on the control
 	  cgroup of their process.
 
+	  To compile this code as a module, choose M here: the
+	  module will be called cls_cgroup.
+
 config NET_EMATCH
 	bool "Extended Matches"
 	select NET_CLS
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index e4877ca6727c..7f27d2c15e08 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -24,6 +24,25 @@ struct cgroup_cls_state
 	u32 classid;
 };
 
+static struct cgroup_subsys_state *cgrp_create(struct cgroup_subsys *ss,
+					       struct cgroup *cgrp);
+static void cgrp_destroy(struct cgroup_subsys *ss, struct cgroup *cgrp);
+static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp);
+
+struct cgroup_subsys net_cls_subsys = {
+	.name		= "net_cls",
+	.create		= cgrp_create,
+	.destroy	= cgrp_destroy,
+	.populate	= cgrp_populate,
+#ifdef CONFIG_NET_CLS_CGROUP
+	.subsys_id	= net_cls_subsys_id,
+#else
+#define net_cls_subsys_id net_cls_subsys.subsys_id
+#endif
+	.module		= THIS_MODULE,
+};
+
+
 static inline struct cgroup_cls_state *cgrp_cls_state(struct cgroup *cgrp)
 {
 	return container_of(cgroup_subsys_state(cgrp, net_cls_subsys_id),
@@ -79,14 +98,6 @@ static int cgrp_populate(struct cgroup_subsys *ss, struct cgroup *cgrp)
 	return cgroup_add_files(cgrp, ss, ss_files, ARRAY_SIZE(ss_files));
 }
 
-struct cgroup_subsys net_cls_subsys = {
-	.name		= "net_cls",
-	.create		= cgrp_create,
-	.destroy	= cgrp_destroy,
-	.populate	= cgrp_populate,
-	.subsys_id	= net_cls_subsys_id,
-};
-
 struct cls_cgroup_head
 {
 	u32			handle;
@@ -277,12 +288,19 @@ static struct tcf_proto_ops cls_cgroup_ops __read_mostly = {
 
 static int __init init_cgroup_cls(void)
 {
-	return register_tcf_proto_ops(&cls_cgroup_ops);
+	int ret = register_tcf_proto_ops(&cls_cgroup_ops);
+	if (ret)
+		return ret;
+	ret = cgroup_load_subsys(&net_cls_subsys);
+	if (ret)
+		unregister_tcf_proto_ops(&cls_cgroup_ops);
+	return ret;
 }
 
 static void __exit exit_cgroup_cls(void)
 {
 	unregister_tcf_proto_ops(&cls_cgroup_ops);
+	cgroup_unload_subsys(&net_cls_subsys);
 }
 
 module_init(init_cgroup_cls);
diff --git a/net/sctp/input.c b/net/sctp/input.c
index c0c973e67add..3d74b264ea22 100644
--- a/net/sctp/input.c
+++ b/net/sctp/input.c
@@ -75,7 +75,7 @@ static struct sctp_association *__sctp_lookup_association(
 					const union sctp_addr *peer,
 					struct sctp_transport **pt);
 
-static void sctp_add_backlog(struct sock *sk, struct sk_buff *skb);
+static int sctp_add_backlog(struct sock *sk, struct sk_buff *skb);
 
 
 /* Calculate the SCTP checksum of an SCTP packet.  */
@@ -265,8 +265,13 @@ int sctp_rcv(struct sk_buff *skb)
 	}
 
 	if (sock_owned_by_user(sk)) {
+		if (sctp_add_backlog(sk, skb)) {
+			sctp_bh_unlock_sock(sk);
+			sctp_chunk_free(chunk);
+			skb = NULL; /* sctp_chunk_free already freed the skb */
+			goto discard_release;
+		}
 		SCTP_INC_STATS_BH(SCTP_MIB_IN_PKT_BACKLOG);
-		sctp_add_backlog(sk, skb);
 	} else {
 		SCTP_INC_STATS_BH(SCTP_MIB_IN_PKT_SOFTIRQ);
 		sctp_inq_push(&chunk->rcvr->inqueue, chunk);
@@ -336,8 +341,10 @@ int sctp_backlog_rcv(struct sock *sk, struct sk_buff *skb)
 		sctp_bh_lock_sock(sk);
 
 		if (sock_owned_by_user(sk)) {
-			sk_add_backlog(sk, skb);
-			backloged = 1;
+			if (sk_add_backlog(sk, skb))
+				sctp_chunk_free(chunk);
+			else
+				backloged = 1;
 		} else
 			sctp_inq_push(inqueue, chunk);
 
@@ -362,22 +369,27 @@ done:
 	return 0;
 }
 
-static void sctp_add_backlog(struct sock *sk, struct sk_buff *skb)
+static int sctp_add_backlog(struct sock *sk, struct sk_buff *skb)
 {
 	struct sctp_chunk *chunk = SCTP_INPUT_CB(skb)->chunk;
 	struct sctp_ep_common *rcvr = chunk->rcvr;
+	int ret;
 
-	/* Hold the assoc/ep while hanging on the backlog queue.
-	 * This way, we know structures we need will not disappear from us
-	 */
-	if (SCTP_EP_TYPE_ASSOCIATION == rcvr->type)
-		sctp_association_hold(sctp_assoc(rcvr));
-	else if (SCTP_EP_TYPE_SOCKET == rcvr->type)
-		sctp_endpoint_hold(sctp_ep(rcvr));
-	else
-		BUG();
+	ret = sk_add_backlog(sk, skb);
+	if (!ret) {
+		/* Hold the assoc/ep while hanging on the backlog queue.
+		 * This way, we know structures we need will not disappear
+		 * from us
+		 */
+		if (SCTP_EP_TYPE_ASSOCIATION == rcvr->type)
+			sctp_association_hold(sctp_assoc(rcvr));
+		else if (SCTP_EP_TYPE_SOCKET == rcvr->type)
+			sctp_endpoint_hold(sctp_ep(rcvr));
+		else
+			BUG();
+	}
+	return ret;
 
-	sk_add_backlog(sk, skb);
 }
 
 /* Handle icmp frag needed error. */
diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 4e4ca65cd320..500886bda9b4 100644
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -475,7 +475,7 @@ static void sctp_do_8_2_transport_strike(struct sctp_association *asoc,
 	 * used to provide an upper bound to this doubling operation.
 	 *
 	 * Special Case:  the first HB doesn't trigger exponential backoff.
-	 * The first unacknowleged HB triggers it.  We do this with a flag
+	 * The first unacknowledged HB triggers it.  We do this with a flag
 	 * that indicates that we have an outstanding HB.
 	 */
 	if (!is_hb || transport->hb_sent) {
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index f6d1e59c4151..dfc5c127efd4 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3720,6 +3720,9 @@ SCTP_STATIC int sctp_init_sock(struct sock *sk)
 	SCTP_DBG_OBJCNT_INC(sock);
 	percpu_counter_inc(&sctp_sockets_allocated);
 
+	/* Set socket backlog limit. */
+	sk->sk_backlog.limit = sysctl_sctp_rmem[1];
+
 	local_bh_disable();
 	sock_prot_inuse_add(sock_net(sk), sk->sk_prot, 1);
 	local_bh_enable();
diff --git a/net/socket.c b/net/socket.c
index 769c386bd428..f55ffe9f8c87 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2135,6 +2135,10 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
 			break;
 		++datagrams;
 
+		/* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */
+		if (flags & MSG_WAITFORONE)
+			flags |= MSG_DONTWAIT;
+
 		if (timeout) {
 			ktime_get_ts(timeout);
 			*timeout = timespec_sub(end_time, *timeout);
diff --git a/net/sunrpc/addr.c b/net/sunrpc/addr.c
index 6dcdd2517819..f845d9d72f73 100644
--- a/net/sunrpc/addr.c
+++ b/net/sunrpc/addr.c
@@ -71,8 +71,9 @@ static size_t rpc_ntop6(const struct sockaddr *sap,
 	if (unlikely(len == 0))
 		return len;
 
-	if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL) &&
-	    !(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_SITELOCAL))
+	if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL))
+		return len;
+	if (sin6->sin6_scope_id == 0)
 		return len;
 
 	rc = snprintf(scopebuf, sizeof(scopebuf), "%c%u",
@@ -165,8 +166,7 @@ static int rpc_parse_scope_id(const char *buf, const size_t buflen,
 	if (*delim != IPV6_SCOPE_DELIMITER)
 		return 0;
 
-	if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL) &&
-	    !(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_SITELOCAL))
+	if (!(ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LINKLOCAL))
 		return 0;
 
 	len = (buf + buflen) - delim - 1;
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index f7a7f8380e38..c389ccf6437d 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -206,8 +206,14 @@ gss_fill_context(const void *p, const void *end, struct gss_cl_ctx *ctx, struct
 	ctx->gc_win = window_size;
 	/* gssd signals an error by passing ctx->gc_win = 0: */
 	if (ctx->gc_win == 0) {
-		/* in which case, p points to  an error code which we ignore */
-		p = ERR_PTR(-EACCES);
+		/*
+		 * in which case, p points to an error code. Anything other
+		 * than -EKEYEXPIRED gets converted to -EACCES.
+		 */
+		p = simple_get_bytes(p, end, &ret, sizeof(ret));
+		if (!IS_ERR(p))
+			p = (ret == -EKEYEXPIRED) ? ERR_PTR(-EKEYEXPIRED) :
+						    ERR_PTR(-EACCES);
 		goto err;
 	}
 	/* copy the opaque wire context */
@@ -646,6 +652,7 @@ gss_pipe_downcall(struct file *filp, const char __user *src, size_t mlen)
 		err = PTR_ERR(p);
 		switch (err) {
 		case -EACCES:
+		case -EKEYEXPIRED:
 			gss_msg->msg.errno = err;
 			err = mlen;
 			break;
@@ -1273,9 +1280,8 @@ alloc_enc_pages(struct rpc_rqst *rqstp)
 	rqstp->rq_release_snd_buf = priv_release_snd_buf;
 	return 0;
 out_free:
-	for (i--; i >= 0; i--) {
-		__free_page(rqstp->rq_enc_pages[i]);
-	}
+	rqstp->rq_enc_pages_num = i;
+	priv_release_snd_buf(rqstp);
 out:
 	return -EAGAIN;
 }
diff --git a/net/sunrpc/bc_svc.c b/net/sunrpc/bc_svc.c
index 13f214f53120..f0c05d3311c1 100644
--- a/net/sunrpc/bc_svc.c
+++ b/net/sunrpc/bc_svc.c
@@ -37,21 +37,6 @@ SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #define RPCDBG_FACILITY	RPCDBG_SVCDSP
 
-void bc_release_request(struct rpc_task *task)
-{
-	struct rpc_rqst *req = task->tk_rqstp;
-
-	dprintk("RPC:       bc_release_request: task= %p\n", task);
-
-	/*
-	 * Release this request only if it's a backchannel
-	 * preallocated request
-	 */
-	if (!bc_prealloc(req))
-		return;
-	xprt_free_bc_request(req);
-}
-
 /* Empty callback ops */
 static const struct rpc_call_ops nfs41_callback_ops = {
 };
diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index 154034b675bd..19c9983d5360 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -659,6 +659,7 @@ struct rpc_task *rpc_run_bc_task(struct rpc_rqst *req,
 	task = rpc_new_task(&task_setup_data);
 	if (!task) {
 		xprt_free_bc_request(req);
+		task = ERR_PTR(-ENOMEM);
 		goto out;
 	}
 	task->tk_rqstp = req;
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index 9ea45383480e..20e30c6f8355 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -587,6 +587,8 @@ static struct dentry *__rpc_lookup_create_exclusive(struct dentry *parent,
 	struct dentry *dentry;
 
 	dentry = __rpc_lookup_create(parent, name);
+	if (IS_ERR(dentry))
+		return dentry;
 	if (dentry->d_inode == NULL)
 		return dentry;
 	dput(dentry);
@@ -999,19 +1001,14 @@ rpc_fill_super(struct super_block *sb, void *data, int silent)
 	inode = rpc_get_inode(sb, S_IFDIR | 0755);
 	if (!inode)
 		return -ENOMEM;
-	root = d_alloc_root(inode);
+	sb->s_root = root = d_alloc_root(inode);
 	if (!root) {
 		iput(inode);
 		return -ENOMEM;
 	}
 	if (rpc_populate(root, files, RPCAUTH_lockd, RPCAUTH_RootEOF, NULL))
-		goto out;
-	sb->s_root = root;
+		return -ENOMEM;
 	return 0;
-out:
-	d_genocide(root);
-	dput(root);
-	return -ENOMEM;
 }
 
 static int
diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c
index 538ca433a56c..8420a4205b76 100644
--- a/net/sunrpc/svc.c
+++ b/net/sunrpc/svc.c
@@ -133,7 +133,7 @@ svc_pool_map_choose_mode(void)
 		return SVC_POOL_PERNODE;
 	}
 
-	node = any_online_node(node_online_map);
+	node = first_online_node;
 	if (nr_cpus_node(node) > 2) {
 		/*
 		 * Non-trivial SMP, or CONFIG_NUMA on
@@ -506,6 +506,10 @@ svc_init_buffer(struct svc_rqst *rqstp, unsigned int size)
 {
 	unsigned int pages, arghi;
 
+	/* bc_xprt uses fore channel allocated buffers */
+	if (svc_is_backchannel(rqstp))
+		return 1;
+
 	pages = size / PAGE_SIZE + 1; /* extra page as we hold both request and reply.
 				       * We assume one is at most one page
 				       */
diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
index 7d1f9e928f69..8f0f1fb3dc52 100644
--- a/net/sunrpc/svc_xprt.c
+++ b/net/sunrpc/svc_xprt.c
@@ -173,11 +173,13 @@ static struct svc_xprt *__svc_xpo_create(struct svc_xprt_class *xcl,
 		.sin_addr.s_addr	= htonl(INADDR_ANY),
 		.sin_port		= htons(port),
 	};
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 	struct sockaddr_in6 sin6 = {
 		.sin6_family		= AF_INET6,
 		.sin6_addr		= IN6ADDR_ANY_INIT,
 		.sin6_port		= htons(port),
 	};
+#endif	/* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
 	struct sockaddr *sap;
 	size_t len;
 
@@ -186,10 +188,12 @@ static struct svc_xprt *__svc_xpo_create(struct svc_xprt_class *xcl,
 		sap = (struct sockaddr *)&sin;
 		len = sizeof(sin);
 		break;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
 	case PF_INET6:
 		sap = (struct sockaddr *)&sin6;
 		len = sizeof(sin6);
 		break;
+#endif	/* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
 	default:
 		return ERR_PTR(-EAFNOSUPPORT);
 	}
@@ -231,7 +235,10 @@ int svc_create_xprt(struct svc_serv *serv, const char *xprt_name,
  err:
 	spin_unlock(&svc_xprt_class_lock);
 	dprintk("svc: transport %s not found\n", xprt_name);
-	return -ENOENT;
+
+	/* This errno is exposed to user space.  Provide a reasonable
+	 * perror msg for a bad transport. */
+	return -EPROTONOSUPPORT;
 }
 EXPORT_SYMBOL_GPL(svc_create_xprt);
 
@@ -699,8 +706,10 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
 	spin_unlock_bh(&pool->sp_lock);
 
 	len = 0;
-	if (test_bit(XPT_LISTENER, &xprt->xpt_flags) &&
-	    !test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
+	if (test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
+		dprintk("svc_recv: found XPT_CLOSE\n");
+		svc_delete_xprt(xprt);
+	} else if (test_bit(XPT_LISTENER, &xprt->xpt_flags)) {
 		struct svc_xprt *newxpt;
 		newxpt = xprt->xpt_ops->xpo_accept(xprt);
 		if (newxpt) {
@@ -726,7 +735,7 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
 			svc_xprt_received(newxpt);
 		}
 		svc_xprt_received(xprt);
-	} else if (!test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
+	} else {
 		dprintk("svc: server %p, pool %u, transport %p, inuse=%d\n",
 			rqstp, pool->sp_id, xprt,
 			atomic_read(&xprt->xpt_ref.refcount));
@@ -739,11 +748,6 @@ int svc_recv(struct svc_rqst *rqstp, long timeout)
 		dprintk("svc: got len=%d\n", len);
 	}
 
-	if (test_bit(XPT_CLOSE, &xprt->xpt_flags)) {
-		dprintk("svc_recv: found XPT_CLOSE\n");
-		svc_delete_xprt(xprt);
-	}
-
 	/* No data, incomplete (TCP) read, or accept() */
 	if (len == 0 || len == -EAGAIN) {
 		rqstp->rq_res.len = 0;
@@ -889,11 +893,8 @@ void svc_delete_xprt(struct svc_xprt *xprt)
 	if (test_bit(XPT_TEMP, &xprt->xpt_flags))
 		serv->sv_tmpcnt--;
 
-	for (dr = svc_deferred_dequeue(xprt); dr;
-	     dr = svc_deferred_dequeue(xprt)) {
-		svc_xprt_put(xprt);
+	while ((dr = svc_deferred_dequeue(xprt)) != NULL)
 		kfree(dr);
-	}
 
 	svc_xprt_put(xprt);
 	spin_unlock_bh(&serv->sv_lock);
diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c
index d8c041114497..afdcb0459a83 100644
--- a/net/sunrpc/svcauth_unix.c
+++ b/net/sunrpc/svcauth_unix.c
@@ -15,6 +15,7 @@
 #include <linux/kernel.h>
 #define RPCDBG_FACILITY	RPCDBG_AUTH
 
+#include <linux/sunrpc/clnt.h>
 
 /*
  * AUTHUNIX and AUTHNULL credentials are both handled here.
@@ -187,10 +188,13 @@ static int ip_map_parse(struct cache_detail *cd,
 	 * for scratch: */
 	char *buf = mesg;
 	int len;
-	int b1, b2, b3, b4, b5, b6, b7, b8;
-	char c;
 	char class[8];
-	struct in6_addr addr;
+	union {
+		struct sockaddr		sa;
+		struct sockaddr_in	s4;
+		struct sockaddr_in6	s6;
+	} address;
+	struct sockaddr_in6 sin6;
 	int err;
 
 	struct ip_map *ipmp;
@@ -209,24 +213,24 @@ static int ip_map_parse(struct cache_detail *cd,
 	len = qword_get(&mesg, buf, mlen);
 	if (len <= 0) return -EINVAL;
 
-	if (sscanf(buf, "%u.%u.%u.%u%c", &b1, &b2, &b3, &b4, &c) == 4) {
-		addr.s6_addr32[0] = 0;
-		addr.s6_addr32[1] = 0;
-		addr.s6_addr32[2] = htonl(0xffff);
-		addr.s6_addr32[3] =
-			htonl((((((b1<<8)|b2)<<8)|b3)<<8)|b4);
-       } else if (sscanf(buf, "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x%c",
-			&b1, &b2, &b3, &b4, &b5, &b6, &b7, &b8, &c) == 8) {
-		addr.s6_addr16[0] = htons(b1);
-		addr.s6_addr16[1] = htons(b2);
-		addr.s6_addr16[2] = htons(b3);
-		addr.s6_addr16[3] = htons(b4);
-		addr.s6_addr16[4] = htons(b5);
-		addr.s6_addr16[5] = htons(b6);
-		addr.s6_addr16[6] = htons(b7);
-		addr.s6_addr16[7] = htons(b8);
-       } else
+	if (rpc_pton(buf, len, &address.sa, sizeof(address)) == 0)
 		return -EINVAL;
+	switch (address.sa.sa_family) {
+	case AF_INET:
+		/* Form a mapped IPv4 address in sin6 */
+		memset(&sin6, 0, sizeof(sin6));
+		sin6.sin6_family = AF_INET6;
+		sin6.sin6_addr.s6_addr32[2] = htonl(0xffff);
+		sin6.sin6_addr.s6_addr32[3] = address.s4.sin_addr.s_addr;
+		break;
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+	case AF_INET6:
+		memcpy(&sin6, &address.s6, sizeof(sin6));
+		break;
+#endif
+	default:
+		return -EINVAL;
+	}
 
 	expiry = get_expiry(&mesg);
 	if (expiry ==0)
@@ -243,7 +247,8 @@ static int ip_map_parse(struct cache_detail *cd,
 	} else
 		dom = NULL;
 
-	ipmp = ip_map_lookup(class, &addr);
+	/* IPv6 scope IDs are ignored for now */
+	ipmp = ip_map_lookup(class, &sin6.sin6_addr);
 	if (ipmp) {
 		err = ip_map_update(ipmp,
 			     container_of(dom, struct unix_domain, h),
@@ -619,7 +624,7 @@ static int unix_gid_show(struct seq_file *m,
 	else
 		glen = 0;
 
-	seq_printf(m, "%d %d:", ug->uid, glen);
+	seq_printf(m, "%u %d:", ug->uid, glen);
 	for (i = 0; i < glen; i++)
 		seq_printf(m, " %d", GROUP_AT(ug->gi, i));
 	seq_printf(m, "\n");
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 870929e08e5d..a29f259204e6 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -968,6 +968,7 @@ static int svc_tcp_recv_record(struct svc_sock *svsk, struct svc_rqst *rqstp)
 	return len;
  err_delete:
 	set_bit(XPT_CLOSE, &svsk->sk_xprt.xpt_flags);
+	svc_xprt_received(&svsk->sk_xprt);
  err_again:
 	return -EAGAIN;
 }
@@ -1357,7 +1358,7 @@ int svc_addsock(struct svc_serv *serv, const int fd, char *name_return,
 
 	if (!so)
 		return err;
-	if (so->sk->sk_family != AF_INET)
+	if ((so->sk->sk_family != PF_INET) && (so->sk->sk_family != PF_INET6))
 		err =  -EAFNOSUPPORT;
 	else if (so->sk->sk_protocol != IPPROTO_TCP &&
 	    so->sk->sk_protocol != IPPROTO_UDP)
diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 469de292c23c..42f09ade0044 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -46,6 +46,7 @@
 
 #include <linux/sunrpc/clnt.h>
 #include <linux/sunrpc/metrics.h>
+#include <linux/sunrpc/bc_xprt.h>
 
 #include "sunrpc.h"
 
@@ -1032,21 +1033,16 @@ void xprt_release(struct rpc_task *task)
 	if (req->rq_release_snd_buf)
 		req->rq_release_snd_buf(req);
 
-	/*
-	 * Early exit if this is a backchannel preallocated request.
-	 * There is no need to have it added to the RPC slot list.
-	 */
-	if (is_bc_request)
-		return;
-
-	memset(req, 0, sizeof(*req));	/* mark unused */
-
 	dprintk("RPC: %5u release request %p\n", task->tk_pid, req);
+	if (likely(!is_bc_request)) {
+		memset(req, 0, sizeof(*req));	/* mark unused */
 
-	spin_lock(&xprt->reserve_lock);
-	list_add(&req->rq_list, &xprt->free);
-	rpc_wake_up_next(&xprt->backlog);
-	spin_unlock(&xprt->reserve_lock);
+		spin_lock(&xprt->reserve_lock);
+		list_add(&req->rq_list, &xprt->free);
+		rpc_wake_up_next(&xprt->backlog);
+		spin_unlock(&xprt->reserve_lock);
+	} else
+		xprt_free_bc_request(req);
 }
 
 /**
diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 7018eef1dcdd..f96c2fe6137b 100644
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -160,16 +160,15 @@ xprt_rdma_format_addresses(struct rpc_xprt *xprt)
 	(void)rpc_ntop(sap, buf, sizeof(buf));
 	xprt->address_strings[RPC_DISPLAY_ADDR] = kstrdup(buf, GFP_KERNEL);
 
-	(void)snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
+	snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
 	xprt->address_strings[RPC_DISPLAY_PORT] = kstrdup(buf, GFP_KERNEL);
 
 	xprt->address_strings[RPC_DISPLAY_PROTO] = "rdma";
 
-	(void)snprintf(buf, sizeof(buf), "%02x%02x%02x%02x",
-				NIPQUAD(sin->sin_addr.s_addr));
+	snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr));
 	xprt->address_strings[RPC_DISPLAY_HEX_ADDR] = kstrdup(buf, GFP_KERNEL);
 
-	(void)snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
+	snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
 	xprt->address_strings[RPC_DISPLAY_HEX_PORT] = kstrdup(buf, GFP_KERNEL);
 
 	/* netid */
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 3d739e5d15d8..9847c30b5001 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -297,12 +297,11 @@ static void xs_format_common_peer_addresses(struct rpc_xprt *xprt)
 	switch (sap->sa_family) {
 	case AF_INET:
 		sin = xs_addr_in(xprt);
-		(void)snprintf(buf, sizeof(buf), "%02x%02x%02x%02x",
-					NIPQUAD(sin->sin_addr.s_addr));
+		snprintf(buf, sizeof(buf), "%08x", ntohl(sin->sin_addr.s_addr));
 		break;
 	case AF_INET6:
 		sin6 = xs_addr_in6(xprt);
-		(void)snprintf(buf, sizeof(buf), "%pi6", &sin6->sin6_addr);
+		snprintf(buf, sizeof(buf), "%pi6", &sin6->sin6_addr);
 		break;
 	default:
 		BUG();
@@ -315,10 +314,10 @@ static void xs_format_common_peer_ports(struct rpc_xprt *xprt)
 	struct sockaddr *sap = xs_addr(xprt);
 	char buf[128];
 
-	(void)snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
+	snprintf(buf, sizeof(buf), "%u", rpc_get_port(sap));
 	xprt->address_strings[RPC_DISPLAY_PORT] = kstrdup(buf, GFP_KERNEL);
 
-	(void)snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
+	snprintf(buf, sizeof(buf), "%4hx", rpc_get_port(sap));
 	xprt->address_strings[RPC_DISPLAY_HEX_PORT] = kstrdup(buf, GFP_KERNEL);
 }
 
@@ -549,8 +548,6 @@ static int xs_udp_send_request(struct rpc_task *task)
 		/* Still some bytes left; set up for a retry later. */
 		status = -EAGAIN;
 	}
-	if (!transport->sock)
-		goto out;
 
 	switch (status) {
 	case -ENOTSOCK:
@@ -570,7 +567,7 @@ static int xs_udp_send_request(struct rpc_task *task)
 		 * prompts ECONNREFUSED. */
 		clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags);
 	}
-out:
+
 	return status;
 }
 
@@ -652,8 +649,6 @@ static int xs_tcp_send_request(struct rpc_task *task)
 		status = -EAGAIN;
 		break;
 	}
-	if (!transport->sock)
-		goto out;
 
 	switch (status) {
 	case -ENOTSOCK:
@@ -673,7 +668,7 @@ static int xs_tcp_send_request(struct rpc_task *task)
 	case -ENOTCONN:
 		clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags);
 	}
-out:
+
 	return status;
 }
 
@@ -1912,6 +1907,11 @@ static void xs_tcp_setup_socket(struct rpc_xprt *xprt,
 	case -EALREADY:
 		xprt_clear_connecting(xprt);
 		return;
+	case -EINVAL:
+		/* Happens, for instance, if the user specified a link
+		 * local IPv6 address without a scope-id.
+		 */
+		goto out;
 	}
 out_eagain:
 	status = -EAGAIN;
@@ -2100,7 +2100,7 @@ static void xs_tcp_print_stats(struct rpc_xprt *xprt, struct seq_file *seq)
  * we allocate pages instead doing a kmalloc like rpc_malloc is because we want
  * to use the server side send routines.
  */
-void *bc_malloc(struct rpc_task *task, size_t size)
+static void *bc_malloc(struct rpc_task *task, size_t size)
 {
 	struct page *page;
 	struct rpc_buffer *buf;
@@ -2120,7 +2120,7 @@ void *bc_malloc(struct rpc_task *task, size_t size)
 /*
  * Free the space allocated in the bc_alloc routine
  */
-void bc_free(void *buffer)
+static void bc_free(void *buffer)
 {
 	struct rpc_buffer *buf;
 
@@ -2251,9 +2251,6 @@ static struct rpc_xprt_ops xs_tcp_ops = {
 	.buf_free		= rpc_free,
 	.send_request		= xs_tcp_send_request,
 	.set_retrans_timeout	= xprt_set_retrans_timeout_def,
-#if defined(CONFIG_NFS_V4_1)
-	.release_request	= bc_release_request,
-#endif /* CONFIG_NFS_V4_1 */
 	.close			= xs_tcp_close,
 	.destroy		= xs_destroy,
 	.print_stats		= xs_tcp_print_stats,
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 327011fcc407..78091375ca12 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -45,10 +45,10 @@
 
 #define MAX_ADDR_STR 32
 
-static struct media *media_list = NULL;
+static struct media media_list[MAX_MEDIA];
 static u32 media_count = 0;
 
-struct bearer *tipc_bearers = NULL;
+struct bearer tipc_bearers[MAX_BEARERS];
 
 /**
  * media_name_valid - validate media name
@@ -108,9 +108,11 @@ int  tipc_register_media(u32 media_type,
 	int res = -EINVAL;
 
 	write_lock_bh(&tipc_net_lock);
-	if (!media_list)
-		goto exit;
 
+	if (tipc_mode != TIPC_NET_MODE) {
+		warn("Media <%s> rejected, not in networked mode yet\n", name);
+		goto exit;
+	}
 	if (!media_name_valid(name)) {
 		warn("Media <%s> rejected, illegal name\n", name);
 		goto exit;
@@ -660,33 +662,10 @@ int tipc_disable_bearer(const char *name)
 
 
 
-int tipc_bearer_init(void)
-{
-	int res;
-
-	write_lock_bh(&tipc_net_lock);
-	tipc_bearers = kcalloc(MAX_BEARERS, sizeof(struct bearer), GFP_ATOMIC);
-	media_list = kcalloc(MAX_MEDIA, sizeof(struct media), GFP_ATOMIC);
-	if (tipc_bearers && media_list) {
-		res = 0;
-	} else {
-		kfree(tipc_bearers);
-		kfree(media_list);
-		tipc_bearers = NULL;
-		media_list = NULL;
-		res = -ENOMEM;
-	}
-	write_unlock_bh(&tipc_net_lock);
-	return res;
-}
-
 void tipc_bearer_stop(void)
 {
 	u32 i;
 
-	if (!tipc_bearers)
-		return;
-
 	for (i = 0; i < MAX_BEARERS; i++) {
 		if (tipc_bearers[i].active)
 			tipc_bearers[i].publ.blocked = 1;
@@ -695,10 +674,6 @@ void tipc_bearer_stop(void)
 		if (tipc_bearers[i].active)
 			bearer_disable(tipc_bearers[i].publ.name);
 	}
-	kfree(tipc_bearers);
-	kfree(media_list);
-	tipc_bearers = NULL;
-	media_list = NULL;
 	media_count = 0;
 }
 
diff --git a/net/tipc/bearer.h b/net/tipc/bearer.h
index ca5734892713..000228e93f9e 100644
--- a/net/tipc/bearer.h
+++ b/net/tipc/bearer.h
@@ -114,7 +114,7 @@ struct bearer_name {
 
 struct link;
 
-extern struct bearer *tipc_bearers;
+extern struct bearer tipc_bearers[];
 
 void tipc_media_addr_printf(struct print_buf *pb, struct tipc_media_addr *a);
 struct sk_buff *tipc_media_get_names(void);
diff --git a/net/tipc/link.c b/net/tipc/link.c
index 6f50f6423f63..1a7e4665af80 100644
--- a/net/tipc/link.c
+++ b/net/tipc/link.c
@@ -1882,6 +1882,15 @@ void tipc_recv_msg(struct sk_buff *head, struct tipc_bearer *tb_ptr)
 			     (msg_destnode(msg) != tipc_own_addr)))
 			goto cont;
 
+		/* Discard non-routeable messages destined for another node */
+
+		if (unlikely(!msg_isdata(msg) &&
+			     (msg_destnode(msg) != tipc_own_addr))) {
+			if ((msg_user(msg) != CONN_MANAGER) &&
+			    (msg_user(msg) != MSG_FRAGMENTER))
+				goto cont;
+		}
+
 		/* Locate unicast link endpoint that should handle message */
 
 		n_ptr = tipc_node_find(msg_prevnode(msg));
diff --git a/net/tipc/net.c b/net/tipc/net.c
index 7906608bf510..f25b1cdb64eb 100644
--- a/net/tipc/net.c
+++ b/net/tipc/net.c
@@ -116,7 +116,8 @@
 */
 
 DEFINE_RWLOCK(tipc_net_lock);
-struct network tipc_net = { NULL };
+struct _zone *tipc_zones[256] = { NULL, };
+struct network tipc_net = { tipc_zones };
 
 struct tipc_node *tipc_net_select_remote_node(u32 addr, u32 ref)
 {
@@ -158,28 +159,12 @@ void tipc_net_send_external_routes(u32 dest)
 	}
 }
 
-static int net_init(void)
-{
-	memset(&tipc_net, 0, sizeof(tipc_net));
-	tipc_net.zones = kcalloc(tipc_max_zones + 1, sizeof(struct _zone *), GFP_ATOMIC);
-	if (!tipc_net.zones) {
-		return -ENOMEM;
-	}
-	return 0;
-}
-
 static void net_stop(void)
 {
 	u32 z_num;
 
-	if (!tipc_net.zones)
-		return;
-
-	for (z_num = 1; z_num <= tipc_max_zones; z_num++) {
+	for (z_num = 1; z_num <= tipc_max_zones; z_num++)
 		tipc_zone_delete(tipc_net.zones[z_num]);
-	}
-	kfree(tipc_net.zones);
-	tipc_net.zones = NULL;
 }
 
 static void net_route_named_msg(struct sk_buff *buf)
@@ -282,9 +267,7 @@ int tipc_net_start(u32 addr)
 	tipc_named_reinit();
 	tipc_port_reinit();
 
-	if ((res = tipc_bearer_init()) ||
-	    (res = net_init()) ||
-	    (res = tipc_cltr_init()) ||
+	if ((res = tipc_cltr_init()) ||
 	    (res = tipc_bclink_init())) {
 		return res;
 	}
diff --git a/net/tipc/ref.c b/net/tipc/ref.c
index 414fc34b8bea..8dea66500cf5 100644
--- a/net/tipc/ref.c
+++ b/net/tipc/ref.c
@@ -153,11 +153,11 @@ void tipc_ref_table_stop(void)
 
 u32 tipc_ref_acquire(void *object, spinlock_t **lock)
 {
-	struct reference *entry;
 	u32 index;
 	u32 index_mask;
 	u32 next_plus_upper;
 	u32 ref;
+	struct reference *entry = NULL;
 
 	if (!object) {
 		err("Attempt to acquire reference to non-existent object\n");
@@ -175,30 +175,36 @@ u32 tipc_ref_acquire(void *object, spinlock_t **lock)
 		index = tipc_ref_table.first_free;
 		entry = &(tipc_ref_table.entries[index]);
 		index_mask = tipc_ref_table.index_mask;
-		/* take lock in case a previous user of entry still holds it */
-		spin_lock_bh(&entry->lock);
 		next_plus_upper = entry->ref;
 		tipc_ref_table.first_free = next_plus_upper & index_mask;
 		ref = (next_plus_upper & ~index_mask) + index;
-		entry->ref = ref;
-		entry->object = object;
-		*lock = &entry->lock;
 	}
 	else if (tipc_ref_table.init_point < tipc_ref_table.capacity) {
 		index = tipc_ref_table.init_point++;
 		entry = &(tipc_ref_table.entries[index]);
 		spin_lock_init(&entry->lock);
-		spin_lock_bh(&entry->lock);
 		ref = tipc_ref_table.start_mask + index;
-		entry->ref = ref;
-		entry->object = object;
-		*lock = &entry->lock;
 	}
 	else {
 		ref = 0;
 	}
 	write_unlock_bh(&ref_table_lock);
 
+	/*
+	 * Grab the lock so no one else can modify this entry
+	 * While we assign its ref value & object pointer
+	 */
+	if (entry) {
+		spin_lock_bh(&entry->lock);
+		entry->ref = ref;
+		entry->object = object;
+		*lock = &entry->lock;
+		/*
+		 * keep it locked, the caller is responsible
+		 * for unlocking this when they're done with it
+		 */
+	}
+
 	return ref;
 }
 
diff --git a/net/tipc/socket.c b/net/tipc/socket.c
index 1ea64f09cc45..4b235fc1c70f 100644
--- a/net/tipc/socket.c
+++ b/net/tipc/socket.c
@@ -1322,8 +1322,10 @@ static u32 dispatch(struct tipc_port *tport, struct sk_buff *buf)
 	if (!sock_owned_by_user(sk)) {
 		res = filter_rcv(sk, buf);
 	} else {
-		sk_add_backlog(sk, buf);
-		res = TIPC_OK;
+		if (sk_add_backlog(sk, buf))
+			res = TIPC_ERR_OVERLOAD;
+		else
+			res = TIPC_OK;
 	}
 	bh_unlock_sock(sk);
 
diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c
index ac91f0dfa144..ff123e56114a 100644
--- a/net/tipc/subscr.c
+++ b/net/tipc/subscr.c
@@ -76,19 +76,6 @@ struct top_srv {
 static struct top_srv topsrv = { 0 };
 
 /**
- * htohl - convert value to endianness used by destination
- * @in: value to convert
- * @swap: non-zero if endianness must be reversed
- *
- * Returns converted value
- */
-
-static u32 htohl(u32 in, int swap)
-{
-	return swap ? swab32(in) : in;
-}
-
-/**
  * subscr_send_event - send a message containing a tipc_event to the subscriber
  *
  * Note: Must not hold subscriber's server port lock, since tipc_send() will
@@ -107,11 +94,11 @@ static void subscr_send_event(struct subscription *sub,
 	msg_sect.iov_base = (void *)&sub->evt;
 	msg_sect.iov_len = sizeof(struct tipc_event);
 
-	sub->evt.event = htohl(event, sub->swap);
-	sub->evt.found_lower = htohl(found_lower, sub->swap);
-	sub->evt.found_upper = htohl(found_upper, sub->swap);
-	sub->evt.port.ref = htohl(port_ref, sub->swap);
-	sub->evt.port.node = htohl(node, sub->swap);
+	sub->evt.event = htonl(event);
+	sub->evt.found_lower = htonl(found_lower);
+	sub->evt.found_upper = htonl(found_upper);
+	sub->evt.port.ref = htonl(port_ref);
+	sub->evt.port.node = htonl(node);
 	tipc_send(sub->server_ref, 1, &msg_sect);
 }
 
@@ -287,16 +274,23 @@ static void subscr_cancel(struct tipc_subscr *s,
 {
 	struct subscription *sub;
 	struct subscription *sub_temp;
+	__u32 type, lower, upper;
 	int found = 0;
 
 	/* Find first matching subscription, exit if not found */
 
+	type = ntohl(s->seq.type);
+	lower = ntohl(s->seq.lower);
+	upper = ntohl(s->seq.upper);
+
 	list_for_each_entry_safe(sub, sub_temp, &subscriber->subscription_list,
 				 subscription_list) {
-		if (!memcmp(s, &sub->evt.s, sizeof(struct tipc_subscr))) {
-			found = 1;
-			break;
-		}
+			if ((type == sub->seq.type) &&
+			    (lower == sub->seq.lower) &&
+			    (upper == sub->seq.upper)) {
+				found = 1;
+				break;
+			}
 	}
 	if (!found)
 		return;
@@ -325,16 +319,10 @@ static struct subscription *subscr_subscribe(struct tipc_subscr *s,
 					     struct subscriber *subscriber)
 {
 	struct subscription *sub;
-	int swap;
-
-	/* Determine subscriber's endianness */
-
-	swap = !(s->filter & (TIPC_SUB_PORTS | TIPC_SUB_SERVICE));
 
 	/* Detect & process a subscription cancellation request */
 
-	if (s->filter & htohl(TIPC_SUB_CANCEL, swap)) {
-		s->filter &= ~htohl(TIPC_SUB_CANCEL, swap);
+	if (ntohl(s->filter) & TIPC_SUB_CANCEL) {
 		subscr_cancel(s, subscriber);
 		return NULL;
 	}
@@ -359,11 +347,11 @@ static struct subscription *subscr_subscribe(struct tipc_subscr *s,
 
 	/* Initialize subscription object */
 
-	sub->seq.type = htohl(s->seq.type, swap);
-	sub->seq.lower = htohl(s->seq.lower, swap);
-	sub->seq.upper = htohl(s->seq.upper, swap);
-	sub->timeout = htohl(s->timeout, swap);
-	sub->filter = htohl(s->filter, swap);
+	sub->seq.type = ntohl(s->seq.type);
+	sub->seq.lower = ntohl(s->seq.lower);
+	sub->seq.upper = ntohl(s->seq.upper);
+	sub->timeout = ntohl(s->timeout);
+	sub->filter = ntohl(s->filter);
 	if ((!(sub->filter & TIPC_SUB_PORTS) ==
 	     !(sub->filter & TIPC_SUB_SERVICE)) ||
 	    (sub->seq.lower > sub->seq.upper)) {
@@ -376,7 +364,6 @@ static struct subscription *subscr_subscribe(struct tipc_subscr *s,
 	INIT_LIST_HEAD(&sub->nameseq_list);
 	list_add(&sub->subscription_list, &subscriber->subscription_list);
 	sub->server_ref = subscriber->port_ref;
-	sub->swap = swap;
 	memcpy(&sub->evt.s, s, sizeof(struct tipc_subscr));
 	atomic_inc(&topsrv.subscription_count);
 	if (sub->timeout != TIPC_WAIT_FOREVER) {
diff --git a/net/tipc/subscr.h b/net/tipc/subscr.h
index 45d89bf4d202..c20f496d95b2 100644
--- a/net/tipc/subscr.h
+++ b/net/tipc/subscr.h
@@ -53,7 +53,6 @@ typedef void (*tipc_subscr_event) (struct subscription *sub,
  * @nameseq_list: adjacent subscriptions in name sequence's subscription list
  * @subscription_list: adjacent subscriptions in subscriber's subscription list
  * @server_ref: object reference of server port associated with subscription
- * @swap: indicates if subscriber uses opposite endianness in its messages
  * @evt: template for events generated by subscription
  */
 
@@ -66,7 +65,6 @@ struct subscription {
 	struct list_head nameseq_list;
 	struct list_head subscription_list;
 	u32 server_ref;
-	int swap;
 	struct tipc_event evt;
 };
 
diff --git a/net/x25/x25_dev.c b/net/x25/x25_dev.c
index 3e1efe534645..52e304212241 100644
--- a/net/x25/x25_dev.c
+++ b/net/x25/x25_dev.c
@@ -53,7 +53,7 @@ static int x25_receive_data(struct sk_buff *skb, struct x25_neigh *nb)
 		if (!sock_owned_by_user(sk)) {
 			queued = x25_process_rx_frame(sk, skb);
 		} else {
-			sk_add_backlog(sk, skb);
+			queued = !sk_add_backlog(sk, skb);
 		}
 		bh_unlock_sock(sk);
 		sock_put(sk);
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index 34a5ef8316e7..843e066649cb 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -1372,7 +1372,8 @@ static inline int xfrm_init_path(struct xfrm_dst *path, struct dst_entry *dst,
 	return err;
 }
 
-static inline int xfrm_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
+static inline int xfrm_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,
+				struct flowi *fl)
 {
 	struct xfrm_policy_afinfo *afinfo =
 		xfrm_policy_get_afinfo(xdst->u.dst.ops->family);
@@ -1381,7 +1382,7 @@ static inline int xfrm_fill_dst(struct xfrm_dst *xdst, struct net_device *dev)
 	if (!afinfo)
 		return -EINVAL;
 
-	err = afinfo->fill_dst(xdst, dev);
+	err = afinfo->fill_dst(xdst, dev, fl);
 
 	xfrm_policy_put_afinfo(afinfo);
 
@@ -1486,7 +1487,7 @@ static struct dst_entry *xfrm_bundle_create(struct xfrm_policy *policy,
 	for (dst_prev = dst0; dst_prev != dst; dst_prev = dst_prev->child) {
 		struct xfrm_dst *xdst = (struct xfrm_dst *)dst_prev;
 
-		err = xfrm_fill_dst(xdst, dev);
+		err = xfrm_fill_dst(xdst, dev, fl);
 		if (err)
 			goto free_dst;
 
diff --git a/samples/hw_breakpoint/data_breakpoint.c b/samples/hw_breakpoint/data_breakpoint.c
index c69cbe9b2426..bd0f337afcab 100644
--- a/samples/hw_breakpoint/data_breakpoint.c
+++ b/samples/hw_breakpoint/data_breakpoint.c
@@ -34,7 +34,7 @@
 #include <linux/perf_event.h>
 #include <linux/hw_breakpoint.h>
 
-struct perf_event **sample_hbp;
+struct perf_event * __percpu *sample_hbp;
 
 static char ksym_name[KSYM_NAME_LEN] = "pid_max";
 module_param_string(ksym, ksym_name, KSYM_NAME_LEN, S_IRUGO);
@@ -61,8 +61,8 @@ static int __init hw_break_module_init(void)
 	attr.bp_type = HW_BREAKPOINT_W | HW_BREAKPOINT_R;
 
 	sample_hbp = register_wide_hw_breakpoint(&attr, sample_hbp_handler);
-	if (IS_ERR(sample_hbp)) {
-		ret = PTR_ERR(sample_hbp);
+	if (IS_ERR((void __force *)sample_hbp)) {
+		ret = PTR_ERR((void __force *)sample_hbp);
 		goto fail;
 	}
 
diff --git a/samples/kobject/kobject-example.c b/samples/kobject/kobject-example.c
index 8d9b55a12023..86ea0c3ad975 100644
--- a/samples/kobject/kobject-example.c
+++ b/samples/kobject/kobject-example.c
@@ -44,7 +44,7 @@ static struct kobj_attribute foo_attribute =
 	__ATTR(foo, 0666, foo_show, foo_store);
 
 /*
- * More complex function where we determine which varible is being accessed by
+ * More complex function where we determine which variable is being accessed by
  * looking at the attribute for the "baz" and "bar" files.
  */
 static ssize_t b_show(struct kobject *kobj, struct kobj_attribute *attr,
@@ -79,7 +79,7 @@ static struct kobj_attribute bar_attribute =
 
 
 /*
- * Create a group of attributes so that we can create and destory them all
+ * Create a group of attributes so that we can create and destroy them all
  * at once.
  */
 static struct attribute *attrs[] = {
diff --git a/samples/kobject/kset-example.c b/samples/kobject/kset-example.c
index 45b7d56fb541..3b126d1f8599 100644
--- a/samples/kobject/kset-example.c
+++ b/samples/kobject/kset-example.c
@@ -87,7 +87,7 @@ static ssize_t foo_attr_store(struct kobject *kobj,
 }
 
 /* Our custom sysfs_ops that we will associate with our ktype later on */
-static struct sysfs_ops foo_sysfs_ops = {
+static const struct sysfs_ops foo_sysfs_ops = {
 	.show = foo_attr_show,
 	.store = foo_attr_store,
 };
@@ -127,7 +127,7 @@ static struct foo_attribute foo_attribute =
 	__ATTR(foo, 0666, foo_show, foo_store);
 
 /*
- * More complex function where we determine which varible is being accessed by
+ * More complex function where we determine which variable is being accessed by
  * looking at the attribute for the "baz" and "bar" files.
  */
 static ssize_t b_show(struct foo_obj *foo_obj, struct foo_attribute *attr,
@@ -161,7 +161,7 @@ static struct foo_attribute bar_attribute =
 	__ATTR(bar, 0666, b_show, b_store);
 
 /*
- * Create a group of attributes so that we can create and destory them all
+ * Create a group of attributes so that we can create and destroy them all
  * at once.
  */
 static struct attribute *foo_default_attrs[] = {
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 3257d3d96767..a4d74344d805 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -145,11 +145,14 @@ our $Sparse	= qr{
 			__kprobes|
 			__ref
 		}x;
+
+# Notes to $Attribute:
+# We need \b after 'init' otherwise 'initconst' will cause a false positive in a check
 our $Attribute	= qr{
 			const|
 			__read_mostly|
 			__kprobes|
-			__(?:mem|cpu|dev|)(?:initdata|init)|
+			__(?:mem|cpu|dev|)(?:initdata|initconst|init\b)|
 			____cacheline_aligned|
 			____cacheline_aligned_in_smp|
 			____cacheline_internodealigned_in_smp|
@@ -189,6 +192,14 @@ our $typeTypedefs = qr{(?x:
 	atomic_t
 )};
 
+our $logFunctions = qr{(?x:
+	printk|
+	pr_(debug|dbg|vdbg|devel|info|warning|err|notice|alert|crit|emerg|cont)|
+	dev_(printk|dbg|vdbg|info|warn|err|notice|alert|crit|emerg|WARN)|
+	WARN|
+	panic
+)};
+
 our @typeList = (
 	qr{void},
 	qr{(?:unsigned\s+)?char},
@@ -1377,12 +1388,17 @@ sub process {
 #80 column limit
 		if ($line =~ /^\+/ && $prevrawline !~ /\/\*\*/ &&
 		    $rawline !~ /^.\s*\*\s*\@$Ident\s/ &&
-		    $line !~ /^\+\s*printk\s*\(\s*(?:KERN_\S+\s*)?"[X\t]*"\s*(?:,|\)\s*;)\s*$/ &&
+		    $line !~ /^\+\s*$logFunctions\s*\(\s*(?:KERN_\S+\s*)?"[X\t]*"\s*(?:,|\)\s*;)\s*$/ &&
 		    $length > 80)
 		{
 			WARN("line over 80 characters\n" . $herecurr);
 		}
 
+# check for spaces before a quoted newline
+		if ($rawline =~ /^.*\".*\s\\n/) {
+			WARN("unnecessary whitespace before a quoted newline\n" . $herecurr);
+		}
+
 # check for adding lines without a newline.
 		if ($line =~ /^\+/ && defined $lines[$linenr] && $lines[$linenr] =~ /^\\ No newline at end of file/) {
 			WARN("adding a line without newline at end of file\n" . $herecurr);
@@ -1411,6 +1427,12 @@ sub process {
 			ERROR("code indent should use tabs where possible\n" . $herevet);
 		}
 
+# check for space before tabs.
+		if ($rawline =~ /^\+/ && $rawline =~ / \t/) {
+			my $herevet = "$here\n" . cat_vet($rawline) . "\n";
+			WARN("please, no space before tabs\n" . $herevet);
+		}
+
 # check we are in a valid C source file if not then ignore this hunk
 		next if ($realfile !~ /\.(h|c)$/);
 
@@ -2182,8 +2204,10 @@ sub process {
 				# Find out how long the conditional actually is.
 				my @newlines = ($c =~ /\n/gs);
 				my $cond_lines = 1 + $#newlines;
+				my $stat_real = '';
 
-				my $stat_real = raw_line($linenr, $cond_lines);
+				$stat_real = raw_line($linenr, $cond_lines)
+							. "\n" if ($cond_lines);
 				if (defined($stat_real) && $cond_lines > 1) {
 					$stat_real = "[...]\n$stat_real";
 				}
@@ -2348,6 +2372,8 @@ sub process {
 				DECLARE_PER_CPU|
 				DEFINE_PER_CPU|
 				__typeof__\(|
+				union|
+				struct|
 				\.$Ident\s*=\s*|
 				^\"|\"$
 			}x;
@@ -2572,6 +2598,11 @@ sub process {
 			WARN("plain inline is preferred over $1\n" . $herecurr);
 		}
 
+# check for sizeof(&)
+		if ($line =~ /\bsizeof\s*\(\s*\&/) {
+			WARN("sizeof(& should be avoided\n" . $herecurr);
+		}
+
 # check for new externs in .c files.
 		if ($realfile =~ /\.c$/ && defined $stat &&
 		    $stat =~ /^.\s*(?:extern\s+)?$Type\s+($Ident)(\s*)\(/s)
@@ -2634,9 +2665,46 @@ sub process {
 		if ($line =~ /^.\s*__initcall\s*\(/) {
 			WARN("please use device_initcall() instead of __initcall()\n" . $herecurr);
 		}
-# check for struct file_operations, ensure they are const.
+# check for various ops structs, ensure they are const.
+		my $struct_ops = qr{acpi_dock_ops|
+				address_space_operations|
+				backlight_ops|
+				block_device_operations|
+				dentry_operations|
+				dev_pm_ops|
+				dma_map_ops|
+				extent_io_ops|
+				file_lock_operations|
+				file_operations|
+				hv_ops|
+				ide_dma_ops|
+				intel_dvo_dev_ops|
+				item_operations|
+				iwl_ops|
+				kgdb_arch|
+				kgdb_io|
+				kset_uevent_ops|
+				lock_manager_operations|
+				microcode_ops|
+				mtrr_ops|
+				neigh_ops|
+				nlmsvc_binding|
+				pci_raw_ops|
+				pipe_buf_operations|
+				platform_hibernation_ops|
+				platform_suspend_ops|
+				proto_ops|
+				rpc_pipe_ops|
+				seq_operations|
+				snd_ac97_build_ops|
+				soc_pcmcia_socket_ops|
+				stacktrace_ops|
+				sysfs_ops|
+				tty_operations|
+				usb_mon_operations|
+				wd_ops}x;
 		if ($line !~ /\bconst\b/ &&
-		    $line =~ /\bstruct\s+(file_operations|seq_operations)\b/) {
+		    $line =~ /\bstruct\s+($struct_ops)\b/) {
 			WARN("struct $1 should normally be const\n" .
 				$herecurr);
 		}
diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl
index 2f3230db7ffb..6f97a13bcee4 100755
--- a/scripts/get_maintainer.pl
+++ b/scripts/get_maintainer.pl
@@ -41,6 +41,8 @@ my $web = 0;
 my $subsystem = 0;
 my $status = 0;
 my $keywords = 1;
+my $sections = 0;
+my $file_emails = 0;
 my $from_filename = 0;
 my $pattern_depth = 0;
 my $version = 0;
@@ -120,9 +122,11 @@ if (!GetOptions(
 		'web!' => \$web,
 		'pattern-depth=i' => \$pattern_depth,
 		'k|keywords!' => \$keywords,
+		'sections!' => \$sections,
+		'fe|file-emails!' => \$file_emails,
 		'f|file' => \$from_filename,
 		'v|version' => \$version,
-		'h|help' => \$help,
+		'h|help|usage' => \$help,
 		)) {
     die "$P: invalid argument - use --help if necessary\n";
 }
@@ -137,9 +141,9 @@ if ($version != 0) {
     exit 0;
 }
 
-if ($#ARGV < 0) {
-    usage();
-    die "$P: argument missing: patchfile or -f file please\n";
+if (-t STDIN && !@ARGV) {
+    # We're talking to a terminal, but have no command line arguments.
+    die "$P: missing patchfile or -f file - use --help if necessary\n";
 }
 
 if ($output_separator ne ", ") {
@@ -150,16 +154,24 @@ if ($output_rolestats) {
     $output_roles = 1;
 }
 
-my $selections = $email + $scm + $status + $subsystem + $web;
-if ($selections == 0) {
-    usage();
-    die "$P:  Missing required option: email, scm, status, subsystem or web\n";
+if ($sections) {
+    $email = 0;
+    $email_list = 0;
+    $scm = 0;
+    $status = 0;
+    $subsystem = 0;
+    $web = 0;
+    $keywords = 0;
+} else {
+    my $selections = $email + $scm + $status + $subsystem + $web;
+    if ($selections == 0) {
+	die "$P:  Missing required option: email, scm, status, subsystem or web\n";
+    }
 }
 
 if ($email &&
     ($email_maintainer + $email_list + $email_subscriber_list +
      $email_git + $email_git_penguin_chiefs + $email_git_blame) == 0) {
-    usage();
     die "$P: Please select at least 1 email option\n";
 }
 
@@ -173,8 +185,9 @@ if (!top_of_kernel_tree($lk_path)) {
 my @typevalue = ();
 my %keyword_hash;
 
-open(MAINT, "<${lk_path}MAINTAINERS") || die "$P: Can't open MAINTAINERS\n";
-while (<MAINT>) {
+open (my $maint, '<', "${lk_path}MAINTAINERS")
+    or die "$P: Can't open MAINTAINERS: $!\n";
+while (<$maint>) {
     my $line = $_;
 
     if ($line =~ m/^(\C):\s*(.*)/) {
@@ -199,13 +212,14 @@ while (<MAINT>) {
 	push(@typevalue, $line);
     }
 }
-close(MAINT);
+close($maint);
 
 my %mailmap;
 
 if ($email_remove_duplicates) {
-    open(MAILMAP, "<${lk_path}.mailmap") || warn "$P: Can't open .mailmap\n";
-    while (<MAILMAP>) {
+    open(my $mailmap, '<', "${lk_path}.mailmap")
+	or warn "$P: Can't open .mailmap: $!\n";
+    while (<$mailmap>) {
 	my $line = $_;
 
 	next if ($line =~ m/^\s*#/);
@@ -224,7 +238,7 @@ if ($email_remove_duplicates) {
 	    $mailmap{$name} = \@arr;
 	}
     }
-    close(MAILMAP);
+    close($mailmap);
 }
 
 ## use the filenames on the command line or find the filenames in the patchfiles
@@ -232,31 +246,47 @@ if ($email_remove_duplicates) {
 my @files = ();
 my @range = ();
 my @keyword_tvi = ();
+my @file_emails = ();
+
+if (!@ARGV) {
+    push(@ARGV, "&STDIN");
+}
 
 foreach my $file (@ARGV) {
-    ##if $file is a directory and it lacks a trailing slash, add one
-    if ((-d $file)) {
-	$file =~ s@([^/])$@$1/@;
-    } elsif (!(-f $file)) {
-	die "$P: file '${file}' not found\n";
+    if ($file ne "&STDIN") {
+	##if $file is a directory and it lacks a trailing slash, add one
+	if ((-d $file)) {
+	    $file =~ s@([^/])$@$1/@;
+	} elsif (!(-f $file)) {
+	    die "$P: file '${file}' not found\n";
+	}
     }
     if ($from_filename) {
 	push(@files, $file);
-	if (-f $file && $keywords) {
-	    open(FILE, "<$file") or die "$P: Can't open ${file}\n";
-	    my $text = do { local($/) ; <FILE> };
-	    foreach my $line (keys %keyword_hash) {
-		if ($text =~ m/$keyword_hash{$line}/x) {
-		    push(@keyword_tvi, $line);
+	if (-f $file && ($keywords || $file_emails)) {
+	    open(my $f, '<', $file)
+		or die "$P: Can't open $file: $!\n";
+	    my $text = do { local($/) ; <$f> };
+	    close($f);
+	    if ($keywords) {
+		foreach my $line (keys %keyword_hash) {
+		    if ($text =~ m/$keyword_hash{$line}/x) {
+			push(@keyword_tvi, $line);
+		    }
 		}
 	    }
-	    close(FILE);
+	    if ($file_emails) {
+		my @poss_addr = $text =~ m$[A-Za-zÀ-ÿ\"\' \,\.\+-]*\s*[\,]*\s*[\(\<\{]{0,1}[A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+\.[A-Za-z0-9]+[\)\>\}]{0,1}$g;
+		push(@file_emails, clean_file_emails(@poss_addr));
+	    }
 	}
     } else {
 	my $file_cnt = @files;
 	my $lastfile;
-	open(PATCH, "<$file") or die "$P: Can't open ${file}\n";
-	while (<PATCH>) {
+
+	open(my $patch, "< $file")
+	    or die "$P: Can't open $file: $!\n";
+	while (<$patch>) {
 	    my $patch_line = $_;
 	    if (m/^\+\+\+\s+(\S+)/) {
 		my $filename = $1;
@@ -276,7 +306,8 @@ foreach my $file (@ARGV) {
 		}
 	    }
 	}
-	close(PATCH);
+	close($patch);
+
 	if ($file_cnt == @files) {
 	    warn "$P: file '${file}' doesn't appear to be a patch.  "
 		. "Add -f to options?\n";
@@ -285,6 +316,8 @@ foreach my $file (@ARGV) {
     }
 }
 
+@file_emails = uniq(@file_emails);
+
 my @email_to = ();
 my @list_to = ();
 my @scm = ();
@@ -314,6 +347,7 @@ foreach my $file (@files) {
 		if ($type eq 'X') {
 		    if (file_match_pattern($file, $value)) {
 			$exclude = 1;
+			last;
 		    }
 		}
 	    }
@@ -340,12 +374,28 @@ foreach my $file (@files) {
 	    }
 	}
 
-	$tvi += ($end - $start);
-
+	$tvi = $end + 1;
     }
 
     foreach my $line (sort {$hash{$b} <=> $hash{$a}} keys %hash) {
 	add_categories($line);
+	    if ($sections) {
+		my $i;
+		my $start = find_starting_index($line);
+		my $end = find_ending_index($line);
+		for ($i = $start; $i < $end; $i++) {
+		    my $line = $typevalue[$i];
+		    if ($line =~ /^[FX]:/) {		##Restore file patterns
+			$line =~ s/([^\\])\.([^\*])/$1\?$2/g;
+			$line =~ s/([^\\])\.$/$1\?/g;	##Convert . back to ?
+			$line =~ s/\\\./\./g;       	##Convert \. to .
+			$line =~ s/\.\*/\*/g;       	##Convert .* to *
+		    }
+		    $line =~ s/^([A-Z]):/$1:\t/g;
+		    print("$line\n");
+		}
+		print("\n");
+	    }
     }
 
     if ($email && $email_git) {
@@ -377,6 +427,14 @@ if ($email) {
 	    }
 	}
     }
+
+    foreach my $email (@file_emails) {
+	my ($name, $address) = parse_email($email);
+
+	my $tmp_email = format_email($name, $address, $email_usename);
+	push_email_address($tmp_email, '');
+	add_role($tmp_email, 'in file');
+    }
 }
 
 if ($email || $email_list) {
@@ -453,6 +511,7 @@ MAINTAINER field selection options:
     --remove-duplicates => minimize duplicate email names/addresses
     --roles => show roles (status:subsystem, git-signer, list, etc...)
     --rolestats => show roles and statistics (commits/total_commits, %)
+    --file-emails => add email addresses found in -f file (default: 0 (off))
   --scm => print SCM tree(s) if any
   --status => print status if any
   --subsystem => print subsystem name if any
@@ -466,6 +525,7 @@ Output type options:
 Other options:
   --pattern-depth => Number of pattern directory traversals (default: 0 (all))
   --keywords => scan patch for keywords (default: 1 (on))
+  --sections => print the entire subsystem sections with pattern matches
   --version => show version
   --help => show this help information
 
@@ -545,7 +605,7 @@ sub parse_email {
     $name =~ s/^\"|\"$//g;
     $address =~ s/^\s+|\s+$//g;
 
-    if ($name =~ /[^a-z0-9 \.\-]/i) {    ##has "must quote" chars
+    if ($name =~ /[^\w \-]/i) {  	 ##has "must quote" chars
 	$name =~ s/(?<!\\)"/\\"/g;       ##escape quotes
 	$name = "\"$name\"";
     }
@@ -562,7 +622,7 @@ sub format_email {
     $name =~ s/^\"|\"$//g;
     $address =~ s/^\s+|\s+$//g;
 
-    if ($name =~ /[^a-z0-9 \.\-]/i) {    ##has "must quote" chars
+    if ($name =~ /[^\w \-]/i) {          ##has "must quote" chars
 	$name =~ s/(?<!\\)"/\\"/g;       ##escape quotes
 	$name = "\"$name\"";
     }
@@ -811,7 +871,9 @@ sub add_role {
     foreach my $entry (@email_to) {
 	if ($email_remove_duplicates) {
 	    my ($entry_name, $entry_address) = parse_email($entry->[0]);
-	    if ($name eq $entry_name || $address eq $entry_address) {
+	    if (($name eq $entry_name || $address eq $entry_address)
+		&& ($role eq "" || !($entry->[1] =~ m/$role/))
+	    ) {
 		if ($entry->[1] eq "") {
 		    $entry->[1] = "$role";
 		} else {
@@ -819,7 +881,9 @@ sub add_role {
 		}
 	    }
 	} else {
-	    if ($email eq $entry->[0]) {
+	    if ($email eq $entry->[0]
+		&& ($role eq "" || !($entry->[1] =~ m/$role/))
+	    ) {
 		if ($entry->[1] eq "") {
 		    $entry->[1] = "$role";
 		} else {
@@ -1099,6 +1163,51 @@ sub sort_and_uniq {
     return @parms;
 }
 
+sub clean_file_emails {
+    my (@file_emails) = @_;
+    my @fmt_emails = ();
+
+    foreach my $email (@file_emails) {
+	$email =~ s/[\(\<\{]{0,1}([A-Za-z0-9_\.\+-]+\@[A-Za-z0-9\.-]+)[\)\>\}]{0,1}/\<$1\>/g;
+	my ($name, $address) = parse_email($email);
+	if ($name eq '"[,\.]"') {
+	    $name = "";
+	}
+
+	my @nw = split(/[^A-Za-zÀ-ÿ\'\,\.\+-]/, $name);
+	if (@nw > 2) {
+	    my $first = $nw[@nw - 3];
+	    my $middle = $nw[@nw - 2];
+	    my $last = $nw[@nw - 1];
+
+	    if (((length($first) == 1 && $first =~ m/[A-Za-z]/) ||
+		 (length($first) == 2 && substr($first, -1) eq ".")) ||
+		(length($middle) == 1 ||
+		 (length($middle) == 2 && substr($middle, -1) eq "."))) {
+		$name = "$first $middle $last";
+	    } else {
+		$name = "$middle $last";
+	    }
+	}
+
+	if (substr($name, -1) =~ /[,\.]/) {
+	    $name = substr($name, 0, length($name) - 1);
+	} elsif (substr($name, -2) =~ /[,\.]"/) {
+	    $name = substr($name, 0, length($name) - 2) . '"';
+	}
+
+	if (substr($name, 0, 1) =~ /[,\.]/) {
+	    $name = substr($name, 1, length($name) - 1);
+	} elsif (substr($name, 0, 2) =~ /"[,\.]/) {
+	    $name = '"' . substr($name, 2, length($name) - 2);
+	}
+
+	my $fmt_email = format_email($name, $address, $email_usename);
+	push(@fmt_emails, $fmt_email);
+    }
+    return @fmt_emails;
+}
+
 sub merge_email {
     my @lines;
     my %saw;
@@ -1183,7 +1292,7 @@ sub rfc822_strip_comments {
 
 #   valid: returns true if the parameter is an RFC822 valid address
 #
-sub rfc822_valid ($) {
+sub rfc822_valid {
     my $s = rfc822_strip_comments(shift);
 
     if (!$rfc822re) {
@@ -1203,7 +1312,7 @@ sub rfc822_valid ($) {
 #              from success with no addresses found, because an empty string is
 #              a valid list.
 
-sub rfc822_validlist ($) {
+sub rfc822_validlist {
     my $s = rfc822_strip_comments(shift);
 
     if (!$rfc822re) {
diff --git a/scripts/gfp-translate b/scripts/gfp-translate
index 073cb6d152a0..d81b968d864e 100644
--- a/scripts/gfp-translate
+++ b/scripts/gfp-translate
@@ -19,7 +19,7 @@ usage() {
 	exit 0
 }
 
-# Parse command-line arguements
+# Parse command-line arguments
 while [ $# -gt 0 ]; do
 	case $1 in
 		--source)
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index 208ad3b0ca51..fcdfb245a575 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -1424,6 +1424,8 @@ sub dump_struct($$) {
 	$nested =~ s/\/\*.*?\*\///gos;
 	# strip kmemcheck_bitfield_{begin,end}.*;
 	$members =~ s/kmemcheck_bitfield_.*?;//gos;
+	# strip attributes
+	$members =~ s/__aligned\s*\(\d+\)//gos;
 
 	create_parameterlist($members, ';', $file);
 	check_sections($file, $declaration_name, "struct", $sectcheck, $struct_actual, $nested);
@@ -1728,6 +1730,7 @@ sub dump_function($$) {
     $prototype =~ s/^noinline +//;
     $prototype =~ s/__devinit +//;
     $prototype =~ s/__init +//;
+    $prototype =~ s/__init_or_module +//;
     $prototype =~ s/^#\s*define\s+//; #ak added
     $prototype =~ s/__attribute__\s*\(\([a-z,]*\)\)//;
 
@@ -2103,7 +2106,7 @@ sub process_file($) {
 		$section = $newsection;
 	    } elsif (/$doc_end/) {
 
-		if ($contents ne "") {
+		if (($contents ne "") && ($contents ne "\n")) {
 		    dump_section($file, $section, xml_escape($contents));
 		    $section = $section_default;
 		    $contents = "";
diff --git a/security/capability.c b/security/capability.c
index 5c700e1a4fd3..4875142b858d 100644
--- a/security/capability.c
+++ b/security/capability.c
@@ -906,10 +906,6 @@ static void cap_audit_rule_free(void *lsmrule)
 }
 #endif /* CONFIG_AUDIT */
 
-struct security_operations default_security_ops = {
-	.name	= "default",
-};
-
 #define set_to_cap_if_null(ops, function)				\
 	do {								\
 		if (!ops->function) {					\
diff --git a/security/commoncap.c b/security/commoncap.c
index f800fdb3de94..61669730da98 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -27,6 +27,7 @@
 #include <linux/sched.h>
 #include <linux/prctl.h>
 #include <linux/securebits.h>
+#include <linux/syslog.h>
 
 /*
  * If a non-root user executes a setuid-root binary in
@@ -888,13 +889,17 @@ error:
 /**
  * cap_syslog - Determine whether syslog function is permitted
  * @type: Function requested
+ * @from_file: Whether this request came from an open file (i.e. /proc)
  *
  * Determine whether the current process is permitted to use a particular
  * syslog function, returning 0 if permission is granted, -ve if not.
  */
-int cap_syslog(int type)
+int cap_syslog(int type, bool from_file)
 {
-	if ((type != 3 && type != 10) && !capable(CAP_SYS_ADMIN))
+	if (type != SYSLOG_ACTION_OPEN && from_file)
+		return 0;
+	if ((type != SYSLOG_ACTION_READ_ALL &&
+	     type != SYSLOG_ACTION_SIZE_BUFFER) && !capable(CAP_SYS_ADMIN))
 		return -EPERM;
 	return 0;
 }
diff --git a/security/security.c b/security/security.c
index 122b748d0f4c..687c6fd14bb6 100644
--- a/security/security.c
+++ b/security/security.c
@@ -23,10 +23,12 @@ static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
 	CONFIG_DEFAULT_SECURITY;
 
 /* things that live in capability.c */
-extern struct security_operations default_security_ops;
 extern void security_fixup_ops(struct security_operations *ops);
 
-struct security_operations *security_ops;	/* Initialized to NULL */
+static struct security_operations *security_ops;
+static struct security_operations default_security_ops = {
+	.name	= "default",
+};
 
 static inline int verify(struct security_operations *ops)
 {
@@ -63,6 +65,11 @@ int __init security_init(void)
 	return 0;
 }
 
+void reset_security_ops(void)
+{
+	security_ops = &default_security_ops;
+}
+
 /* Save user chosen LSM */
 static int __init choose_lsm(char *str)
 {
@@ -203,9 +210,9 @@ int security_quota_on(struct dentry *dentry)
 	return security_ops->quota_on(dentry);
 }
 
-int security_syslog(int type)
+int security_syslog(int type, bool from_file)
 {
-	return security_ops->syslog(type);
+	return security_ops->syslog(type, from_file);
 }
 
 int security_settime(struct timespec *ts, struct timezone *tz)
@@ -389,42 +396,42 @@ int security_inode_init_security(struct inode *inode, struct inode *dir,
 EXPORT_SYMBOL(security_inode_init_security);
 
 #ifdef CONFIG_SECURITY_PATH
-int security_path_mknod(struct path *path, struct dentry *dentry, int mode,
+int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
 			unsigned int dev)
 {
-	if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
+	if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
 		return 0;
-	return security_ops->path_mknod(path, dentry, mode, dev);
+	return security_ops->path_mknod(dir, dentry, mode, dev);
 }
 EXPORT_SYMBOL(security_path_mknod);
 
-int security_path_mkdir(struct path *path, struct dentry *dentry, int mode)
+int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
 {
-	if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
+	if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
 		return 0;
-	return security_ops->path_mkdir(path, dentry, mode);
+	return security_ops->path_mkdir(dir, dentry, mode);
 }
 
-int security_path_rmdir(struct path *path, struct dentry *dentry)
+int security_path_rmdir(struct path *dir, struct dentry *dentry)
 {
-	if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
+	if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
 		return 0;
-	return security_ops->path_rmdir(path, dentry);
+	return security_ops->path_rmdir(dir, dentry);
 }
 
-int security_path_unlink(struct path *path, struct dentry *dentry)
+int security_path_unlink(struct path *dir, struct dentry *dentry)
 {
-	if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
+	if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
 		return 0;
-	return security_ops->path_unlink(path, dentry);
+	return security_ops->path_unlink(dir, dentry);
 }
 
-int security_path_symlink(struct path *path, struct dentry *dentry,
+int security_path_symlink(struct path *dir, struct dentry *dentry,
 			  const char *old_name)
 {
-	if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
+	if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
 		return 0;
-	return security_ops->path_symlink(path, dentry, old_name);
+	return security_ops->path_symlink(dir, dentry, old_name);
 }
 
 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
@@ -630,14 +637,14 @@ int security_inode_killpriv(struct dentry *dentry)
 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
 {
 	if (unlikely(IS_PRIVATE(inode)))
-		return 0;
+		return -EOPNOTSUPP;
 	return security_ops->inode_getsecurity(inode, name, buffer, alloc);
 }
 
 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
 {
 	if (unlikely(IS_PRIVATE(inode)))
-		return 0;
+		return -EOPNOTSUPP;
 	return security_ops->inode_setsecurity(inode, name, value, size, flags);
 }
 
diff --git a/security/selinux/avc.c b/security/selinux/avc.c
index f2dde268165a..989fef82563a 100644
--- a/security/selinux/avc.c
+++ b/security/selinux/avc.c
@@ -337,7 +337,7 @@ static inline struct avc_node *avc_search_node(u32 ssid, u32 tsid, u16 tclass)
  * Look up an AVC entry that is valid for the
  * (@ssid, @tsid), interpreting the permissions
  * based on @tclass.  If a valid AVC entry exists,
- * then this function return the avc_node.
+ * then this function returns the avc_node.
  * Otherwise, this function returns NULL.
  */
 static struct avc_node *avc_lookup(u32 ssid, u32 tsid, u16 tclass)
@@ -489,17 +489,14 @@ void avc_audit(u32 ssid, u32 tsid,
 	struct common_audit_data stack_data;
 	u32 denied, audited;
 	denied = requested & ~avd->allowed;
-	if (denied) {
-		audited = denied;
-		if (!(audited & avd->auditdeny))
-			return;
-	} else if (result) {
+	if (denied)
+		audited = denied & avd->auditdeny;
+	else if (result)
 		audited = denied = requested;
-	} else {
-		audited = requested;
-		if (!(audited & avd->auditallow))
-			return;
-	}
+	else
+		audited = requested & avd->auditallow;
+	if (!audited)
+		return;
 	if (!a) {
 		a = &stack_data;
 		memset(a, 0, sizeof(*a));
@@ -526,7 +523,7 @@ void avc_audit(u32 ssid, u32 tsid,
  * @perms: permissions
  *
  * Register a callback function for events in the set @events
- * related to the SID pair (@ssid, @tsid) and
+ * related to the SID pair (@ssid, @tsid) 
  * and the permissions @perms, interpreting
  * @perms based on @tclass.  Returns %0 on success or
  * -%ENOMEM if insufficient memory exists to add the callback.
@@ -571,7 +568,7 @@ static inline int avc_sidcmp(u32 x, u32 y)
  *
  * if a valid AVC entry doesn't exist,this function returns -ENOENT.
  * if kmalloc() called internal returns NULL, this function returns -ENOMEM.
- * otherwise, this function update the AVC entry. The original AVC-entry object
+ * otherwise, this function updates the AVC entry. The original AVC-entry object
  * will release later by RCU.
  */
 static int avc_update_node(u32 event, u32 perms, u32 ssid, u32 tsid, u16 tclass,
@@ -746,9 +743,7 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid,
 		else
 			avd = &avd_entry;
 
-		rc = security_compute_av(ssid, tsid, tclass, requested, avd);
-		if (rc)
-			goto out;
+		security_compute_av(ssid, tsid, tclass, avd);
 		rcu_read_lock();
 		node = avc_insert(ssid, tsid, tclass, avd);
 	} else {
@@ -770,7 +765,6 @@ int avc_has_perm_noaudit(u32 ssid, u32 tsid,
 	}
 
 	rcu_read_unlock();
-out:
 	return rc;
 }
 
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 9a2ee845e9d4..5feecb41009d 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -76,6 +76,7 @@
 #include <linux/selinux.h>
 #include <linux/mutex.h>
 #include <linux/posix-timers.h>
+#include <linux/syslog.h>
 
 #include "avc.h"
 #include "objsec.h"
@@ -125,13 +126,6 @@ __setup("selinux=", selinux_enabled_setup);
 int selinux_enabled = 1;
 #endif
 
-
-/*
- * Minimal support for a secondary security module,
- * just to allow the use of the capability module.
- */
-static struct security_operations *secondary_ops;
-
 /* Lists of inode and superblock security structures initialized
    before the policy was loaded. */
 static LIST_HEAD(superblock_security_head);
@@ -2049,29 +2043,30 @@ static int selinux_quota_on(struct dentry *dentry)
 	return dentry_has_perm(cred, NULL, dentry, FILE__QUOTAON);
 }
 
-static int selinux_syslog(int type)
+static int selinux_syslog(int type, bool from_file)
 {
 	int rc;
 
-	rc = cap_syslog(type);
+	rc = cap_syslog(type, from_file);
 	if (rc)
 		return rc;
 
 	switch (type) {
-	case 3:		/* Read last kernel messages */
-	case 10:	/* Return size of the log buffer */
+	case SYSLOG_ACTION_READ_ALL:	/* Read last kernel messages */
+	case SYSLOG_ACTION_SIZE_BUFFER:	/* Return size of the log buffer */
 		rc = task_has_system(current, SYSTEM__SYSLOG_READ);
 		break;
-	case 6:		/* Disable logging to console */
-	case 7:		/* Enable logging to console */
-	case 8:		/* Set level of messages printed to console */
+	case SYSLOG_ACTION_CONSOLE_OFF:	/* Disable logging to console */
+	case SYSLOG_ACTION_CONSOLE_ON:	/* Enable logging to console */
+	/* Set level of messages printed to console */
+	case SYSLOG_ACTION_CONSOLE_LEVEL:
 		rc = task_has_system(current, SYSTEM__SYSLOG_CONSOLE);
 		break;
-	case 0:		/* Close log */
-	case 1:		/* Open log */
-	case 2:		/* Read from log */
-	case 4:		/* Read/clear last kernel messages */
-	case 5:		/* Clear ring buffer */
+	case SYSLOG_ACTION_CLOSE:	/* Close log */
+	case SYSLOG_ACTION_OPEN:	/* Open log */
+	case SYSLOG_ACTION_READ:	/* Read from log */
+	case SYSLOG_ACTION_READ_CLEAR:	/* Read/clear last kernel messages */
+	case SYSLOG_ACTION_CLEAR:	/* Clear ring buffer */
 	default:
 		rc = task_has_system(current, SYSTEM__SYSLOG_MOD);
 		break;
@@ -3334,7 +3329,7 @@ static int selinux_kernel_create_files_as(struct cred *new, struct inode *inode)
 
 	if (ret == 0)
 		tsec->create_sid = isec->sid;
-	return 0;
+	return ret;
 }
 
 static int selinux_kernel_module_request(char *kmod_name)
@@ -5672,9 +5667,6 @@ static __init int selinux_init(void)
 					    0, SLAB_PANIC, NULL);
 	avc_init();
 
-	secondary_ops = security_ops;
-	if (!secondary_ops)
-		panic("SELinux: No initial security operations\n");
 	if (register_security(&selinux_ops))
 		panic("SELinux: Unable to register with kernel.\n");
 
@@ -5835,8 +5827,7 @@ int selinux_disable(void)
 	selinux_disabled = 1;
 	selinux_enabled = 0;
 
-	/* Reset security_ops to the secondary module, dummy or capability. */
-	security_ops = secondary_ops;
+	reset_security_ops();
 
 	/* Try to destroy the avc node cache */
 	avc_disable();
diff --git a/security/selinux/include/security.h b/security/selinux/include/security.h
index 2553266ad793..1f7c2491d3dc 100644
--- a/security/selinux/include/security.h
+++ b/security/selinux/include/security.h
@@ -57,7 +57,6 @@
 struct netlbl_lsm_secattr;
 
 extern int selinux_enabled;
-extern int selinux_mls_enabled;
 
 /* Policy capabilities */
 enum {
@@ -80,6 +79,8 @@ extern int selinux_policycap_openperm;
 /* limitation of boundary depth  */
 #define POLICYDB_BOUNDS_MAXDEPTH	4
 
+int security_mls_enabled(void);
+
 int security_load_policy(void *data, size_t len);
 
 int security_policycap_supported(unsigned int req_cap);
@@ -96,13 +97,11 @@ struct av_decision {
 /* definitions of av_decision.flags */
 #define AVD_FLAGS_PERMISSIVE	0x0001
 
-int security_compute_av(u32 ssid, u32 tsid,
-			u16 tclass, u32 requested,
-			struct av_decision *avd);
+void security_compute_av(u32 ssid, u32 tsid,
+			 u16 tclass, struct av_decision *avd);
 
-int security_compute_av_user(u32 ssid, u32 tsid,
-			     u16 tclass, u32 requested,
-			     struct av_decision *avd);
+void security_compute_av_user(u32 ssid, u32 tsid,
+			     u16 tclass, struct av_decision *avd);
 
 int security_transition_sid(u32 ssid, u32 tsid,
 			    u16 tclass, u32 *out_sid);
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index fab36fdf2769..cd191bbec03c 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -282,7 +282,8 @@ static ssize_t sel_read_mls(struct file *filp, char __user *buf,
 	char tmpbuf[TMPBUFLEN];
 	ssize_t length;
 
-	length = scnprintf(tmpbuf, TMPBUFLEN, "%d", selinux_mls_enabled);
+	length = scnprintf(tmpbuf, TMPBUFLEN, "%d",
+			   security_mls_enabled());
 	return simple_read_from_buffer(buf, count, ppos, tmpbuf, length);
 }
 
@@ -494,7 +495,6 @@ static ssize_t sel_write_access(struct file *file, char *buf, size_t size)
 	char *scon, *tcon;
 	u32 ssid, tsid;
 	u16 tclass;
-	u32 req;
 	struct av_decision avd;
 	ssize_t length;
 
@@ -512,7 +512,7 @@ static ssize_t sel_write_access(struct file *file, char *buf, size_t size)
 		goto out;
 
 	length = -EINVAL;
-	if (sscanf(buf, "%s %s %hu %x", scon, tcon, &tclass, &req) != 4)
+	if (sscanf(buf, "%s %s %hu", scon, tcon, &tclass) != 3)
 		goto out2;
 
 	length = security_context_to_sid(scon, strlen(scon)+1, &ssid);
@@ -522,9 +522,7 @@ static ssize_t sel_write_access(struct file *file, char *buf, size_t size)
 	if (length < 0)
 		goto out2;
 
-	length = security_compute_av_user(ssid, tsid, tclass, req, &avd);
-	if (length < 0)
-		goto out2;
+	security_compute_av_user(ssid, tsid, tclass, &avd);
 
 	length = scnprintf(buf, SIMPLE_TRANSACTION_LIMIT,
 			  "%x %x %x %x %u %x",
@@ -979,6 +977,8 @@ static int sel_make_bools(void)
 	u32 sid;
 
 	/* remove any existing files */
+	for (i = 0; i < bool_num; i++)
+		kfree(bool_pending_names[i]);
 	kfree(bool_pending_names);
 	kfree(bool_pending_values);
 	bool_pending_names = NULL;
diff --git a/security/selinux/ss/context.h b/security/selinux/ss/context.h
index d9dd7a2f6a8a..45e8fb0515f8 100644
--- a/security/selinux/ss/context.h
+++ b/security/selinux/ss/context.h
@@ -41,9 +41,6 @@ static inline int mls_context_cpy(struct context *dst, struct context *src)
 {
 	int rc;
 
-	if (!selinux_mls_enabled)
-		return 0;
-
 	dst->range.level[0].sens = src->range.level[0].sens;
 	rc = ebitmap_cpy(&dst->range.level[0].cat, &src->range.level[0].cat);
 	if (rc)
@@ -64,9 +61,6 @@ static inline int mls_context_cpy_low(struct context *dst, struct context *src)
 {
 	int rc;
 
-	if (!selinux_mls_enabled)
-		return 0;
-
 	dst->range.level[0].sens = src->range.level[0].sens;
 	rc = ebitmap_cpy(&dst->range.level[0].cat, &src->range.level[0].cat);
 	if (rc)
@@ -82,9 +76,6 @@ out:
 
 static inline int mls_context_cmp(struct context *c1, struct context *c2)
 {
-	if (!selinux_mls_enabled)
-		return 1;
-
 	return ((c1->range.level[0].sens == c2->range.level[0].sens) &&
 		ebitmap_cmp(&c1->range.level[0].cat, &c2->range.level[0].cat) &&
 		(c1->range.level[1].sens == c2->range.level[1].sens) &&
@@ -93,9 +84,6 @@ static inline int mls_context_cmp(struct context *c1, struct context *c2)
 
 static inline void mls_context_destroy(struct context *c)
 {
-	if (!selinux_mls_enabled)
-		return;
-
 	ebitmap_destroy(&c->range.level[0].cat);
 	ebitmap_destroy(&c->range.level[1].cat);
 	mls_context_init(c);
diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c
index 3f2b2706b5bb..372b773f8210 100644
--- a/security/selinux/ss/mls.c
+++ b/security/selinux/ss/mls.c
@@ -39,7 +39,7 @@ int mls_compute_context_len(struct context *context)
 	struct ebitmap *e;
 	struct ebitmap_node *node;
 
-	if (!selinux_mls_enabled)
+	if (!policydb.mls_enabled)
 		return 0;
 
 	len = 1; /* for the beginning ":" */
@@ -93,7 +93,7 @@ void mls_sid_to_context(struct context *context,
 	struct ebitmap *e;
 	struct ebitmap_node *node;
 
-	if (!selinux_mls_enabled)
+	if (!policydb.mls_enabled)
 		return;
 
 	scontextp = *scontext;
@@ -200,7 +200,7 @@ int mls_context_isvalid(struct policydb *p, struct context *c)
 {
 	struct user_datum *usrdatum;
 
-	if (!selinux_mls_enabled)
+	if (!p->mls_enabled)
 		return 1;
 
 	if (!mls_range_isvalid(p, &c->range))
@@ -253,7 +253,7 @@ int mls_context_to_sid(struct policydb *pol,
 	struct cat_datum *catdatum, *rngdatum;
 	int l, rc = -EINVAL;
 
-	if (!selinux_mls_enabled) {
+	if (!pol->mls_enabled) {
 		if (def_sid != SECSID_NULL && oldc)
 			*scontext += strlen(*scontext)+1;
 		return 0;
@@ -387,7 +387,7 @@ int mls_from_string(char *str, struct context *context, gfp_t gfp_mask)
 	char *tmpstr, *freestr;
 	int rc;
 
-	if (!selinux_mls_enabled)
+	if (!policydb.mls_enabled)
 		return -EINVAL;
 
 	/* we need freestr because mls_context_to_sid will change
@@ -407,7 +407,7 @@ int mls_from_string(char *str, struct context *context, gfp_t gfp_mask)
 /*
  * Copies the MLS range `range' into `context'.
  */
-static inline int mls_range_set(struct context *context,
+int mls_range_set(struct context *context,
 				struct mls_range *range)
 {
 	int l, rc = 0;
@@ -427,7 +427,7 @@ static inline int mls_range_set(struct context *context,
 int mls_setup_user_range(struct context *fromcon, struct user_datum *user,
 			 struct context *usercon)
 {
-	if (selinux_mls_enabled) {
+	if (policydb.mls_enabled) {
 		struct mls_level *fromcon_sen = &(fromcon->range.level[0]);
 		struct mls_level *fromcon_clr = &(fromcon->range.level[1]);
 		struct mls_level *user_low = &(user->range.level[0]);
@@ -477,7 +477,7 @@ int mls_convert_context(struct policydb *oldp,
 	struct ebitmap_node *node;
 	int l, i;
 
-	if (!selinux_mls_enabled)
+	if (!policydb.mls_enabled)
 		return 0;
 
 	for (l = 0; l < 2; l++) {
@@ -513,23 +513,21 @@ int mls_compute_sid(struct context *scontext,
 		    u32 specified,
 		    struct context *newcontext)
 {
-	struct range_trans *rtr;
+	struct range_trans rtr;
+	struct mls_range *r;
 
-	if (!selinux_mls_enabled)
+	if (!policydb.mls_enabled)
 		return 0;
 
 	switch (specified) {
 	case AVTAB_TRANSITION:
 		/* Look for a range transition rule. */
-		for (rtr = policydb.range_tr; rtr; rtr = rtr->next) {
-			if (rtr->source_type == scontext->type &&
-			    rtr->target_type == tcontext->type &&
-			    rtr->target_class == tclass) {
-				/* Set the range from the rule */
-				return mls_range_set(newcontext,
-						     &rtr->target_range);
-			}
-		}
+		rtr.source_type = scontext->type;
+		rtr.target_type = tcontext->type;
+		rtr.target_class = tclass;
+		r = hashtab_search(policydb.range_tr, &rtr);
+		if (r)
+			return mls_range_set(newcontext, r);
 		/* Fallthrough */
 	case AVTAB_CHANGE:
 		if (tclass == policydb.process_class)
@@ -541,8 +539,8 @@ int mls_compute_sid(struct context *scontext,
 	case AVTAB_MEMBER:
 		/* Use the process effective MLS attributes. */
 		return mls_context_cpy_low(newcontext, scontext);
-	default:
-		return -EINVAL;
+
+	/* fall through */
 	}
 	return -EINVAL;
 }
@@ -561,7 +559,7 @@ int mls_compute_sid(struct context *scontext,
 void mls_export_netlbl_lvl(struct context *context,
 			   struct netlbl_lsm_secattr *secattr)
 {
-	if (!selinux_mls_enabled)
+	if (!policydb.mls_enabled)
 		return;
 
 	secattr->attr.mls.lvl = context->range.level[0].sens - 1;
@@ -581,7 +579,7 @@ void mls_export_netlbl_lvl(struct context *context,
 void mls_import_netlbl_lvl(struct context *context,
 			   struct netlbl_lsm_secattr *secattr)
 {
-	if (!selinux_mls_enabled)
+	if (!policydb.mls_enabled)
 		return;
 
 	context->range.level[0].sens = secattr->attr.mls.lvl + 1;
@@ -603,7 +601,7 @@ int mls_export_netlbl_cat(struct context *context,
 {
 	int rc;
 
-	if (!selinux_mls_enabled)
+	if (!policydb.mls_enabled)
 		return 0;
 
 	rc = ebitmap_netlbl_export(&context->range.level[0].cat,
@@ -631,7 +629,7 @@ int mls_import_netlbl_cat(struct context *context,
 {
 	int rc;
 
-	if (!selinux_mls_enabled)
+	if (!policydb.mls_enabled)
 		return 0;
 
 	rc = ebitmap_netlbl_import(&context->range.level[0].cat,
diff --git a/security/selinux/ss/mls.h b/security/selinux/ss/mls.h
index 1276715aaa8b..cd9152632e54 100644
--- a/security/selinux/ss/mls.h
+++ b/security/selinux/ss/mls.h
@@ -39,6 +39,8 @@ int mls_context_to_sid(struct policydb *p,
 
 int mls_from_string(char *str, struct context *context, gfp_t gfp_mask);
 
+int mls_range_set(struct context *context, struct mls_range *range);
+
 int mls_convert_context(struct policydb *oldp,
 			struct policydb *newp,
 			struct context *context);
diff --git a/security/selinux/ss/mls_types.h b/security/selinux/ss/mls_types.h
index b6e943a21061..03bed52a8052 100644
--- a/security/selinux/ss/mls_types.h
+++ b/security/selinux/ss/mls_types.h
@@ -15,6 +15,7 @@
 #define _SS_MLS_TYPES_H_
 
 #include "security.h"
+#include "ebitmap.h"
 
 struct mls_level {
 	u32 sens;		/* sensitivity */
@@ -27,18 +28,12 @@ struct mls_range {
 
 static inline int mls_level_eq(struct mls_level *l1, struct mls_level *l2)
 {
-	if (!selinux_mls_enabled)
-		return 1;
-
 	return ((l1->sens == l2->sens) &&
 		ebitmap_cmp(&l1->cat, &l2->cat));
 }
 
 static inline int mls_level_dom(struct mls_level *l1, struct mls_level *l2)
 {
-	if (!selinux_mls_enabled)
-		return 1;
-
 	return ((l1->sens >= l2->sens) &&
 		ebitmap_contains(&l1->cat, &l2->cat));
 }
diff --git a/security/selinux/ss/policydb.c b/security/selinux/ss/policydb.c
index f03667213ea8..23c6e53c102c 100644
--- a/security/selinux/ss/policydb.c
+++ b/security/selinux/ss/policydb.c
@@ -52,8 +52,6 @@ static char *symtab_name[SYM_NUM] = {
 };
 #endif
 
-int selinux_mls_enabled;
-
 static unsigned int symtab_sizes[SYM_NUM] = {
 	2,
 	32,
@@ -177,6 +175,21 @@ out_free_role:
 	goto out;
 }
 
+static u32 rangetr_hash(struct hashtab *h, const void *k)
+{
+	const struct range_trans *key = k;
+	return (key->source_type + (key->target_type << 3) +
+		(key->target_class << 5)) & (h->size - 1);
+}
+
+static int rangetr_cmp(struct hashtab *h, const void *k1, const void *k2)
+{
+	const struct range_trans *key1 = k1, *key2 = k2;
+	return (key1->source_type != key2->source_type ||
+		key1->target_type != key2->target_type ||
+		key1->target_class != key2->target_class);
+}
+
 /*
  * Initialize a policy database structure.
  */
@@ -204,6 +217,10 @@ static int policydb_init(struct policydb *p)
 	if (rc)
 		goto out_free_symtab;
 
+	p->range_tr = hashtab_create(rangetr_hash, rangetr_cmp, 256);
+	if (!p->range_tr)
+		goto out_free_symtab;
+
 	ebitmap_init(&p->policycaps);
 	ebitmap_init(&p->permissive_map);
 
@@ -408,6 +425,20 @@ static void symtab_hash_eval(struct symtab *s)
 		       info.slots_used, h->size, info.max_chain_len);
 	}
 }
+
+static void rangetr_hash_eval(struct hashtab *h)
+{
+	struct hashtab_info info;
+
+	hashtab_stat(h, &info);
+	printk(KERN_DEBUG "SELinux: rangetr:  %d entries and %d/%d buckets used, "
+	       "longest chain length %d\n", h->nel,
+	       info.slots_used, h->size, info.max_chain_len);
+}
+#else
+static inline void rangetr_hash_eval(struct hashtab *h)
+{
+}
 #endif
 
 /*
@@ -422,7 +453,7 @@ static int policydb_index_others(struct policydb *p)
 
 	printk(KERN_DEBUG "SELinux:  %d users, %d roles, %d types, %d bools",
 	       p->p_users.nprim, p->p_roles.nprim, p->p_types.nprim, p->p_bools.nprim);
-	if (selinux_mls_enabled)
+	if (p->mls_enabled)
 		printk(", %d sens, %d cats", p->p_levels.nprim,
 		       p->p_cats.nprim);
 	printk("\n");
@@ -612,6 +643,17 @@ static int (*destroy_f[SYM_NUM]) (void *key, void *datum, void *datap) =
 	cat_destroy,
 };
 
+static int range_tr_destroy(void *key, void *datum, void *p)
+{
+	struct mls_range *rt = datum;
+	kfree(key);
+	ebitmap_destroy(&rt->level[0].cat);
+	ebitmap_destroy(&rt->level[1].cat);
+	kfree(datum);
+	cond_resched();
+	return 0;
+}
+
 static void ocontext_destroy(struct ocontext *c, int i)
 {
 	context_destroy(&c->context[0]);
@@ -632,7 +674,6 @@ void policydb_destroy(struct policydb *p)
 	int i;
 	struct role_allow *ra, *lra = NULL;
 	struct role_trans *tr, *ltr = NULL;
-	struct range_trans *rt, *lrt = NULL;
 
 	for (i = 0; i < SYM_NUM; i++) {
 		cond_resched();
@@ -693,20 +734,8 @@ void policydb_destroy(struct policydb *p)
 	}
 	kfree(lra);
 
-	for (rt = p->range_tr; rt; rt = rt->next) {
-		cond_resched();
-		if (lrt) {
-			ebitmap_destroy(&lrt->target_range.level[0].cat);
-			ebitmap_destroy(&lrt->target_range.level[1].cat);
-			kfree(lrt);
-		}
-		lrt = rt;
-	}
-	if (lrt) {
-		ebitmap_destroy(&lrt->target_range.level[0].cat);
-		ebitmap_destroy(&lrt->target_range.level[1].cat);
-		kfree(lrt);
-	}
+	hashtab_map(p->range_tr, range_tr_destroy, NULL);
+	hashtab_destroy(p->range_tr);
 
 	if (p->type_attr_map) {
 		for (i = 0; i < p->p_types.nprim; i++)
@@ -1686,12 +1715,11 @@ int policydb_read(struct policydb *p, void *fp)
 	int i, j, rc;
 	__le32 buf[4];
 	u32 nodebuf[8];
-	u32 len, len2, config, nprim, nel, nel2;
+	u32 len, len2, nprim, nel, nel2;
 	char *policydb_str;
 	struct policydb_compat_info *info;
-	struct range_trans *rt, *lrt;
-
-	config = 0;
+	struct range_trans *rt;
+	struct mls_range *r;
 
 	rc = policydb_init(p);
 	if (rc)
@@ -1740,7 +1768,7 @@ int policydb_read(struct policydb *p, void *fp)
 	kfree(policydb_str);
 	policydb_str = NULL;
 
-	/* Read the version, config, and table sizes. */
+	/* Read the version and table sizes. */
 	rc = next_entry(buf, fp, sizeof(u32)*4);
 	if (rc < 0)
 		goto bad;
@@ -1755,13 +1783,7 @@ int policydb_read(struct policydb *p, void *fp)
 	}
 
 	if ((le32_to_cpu(buf[1]) & POLICYDB_CONFIG_MLS)) {
-		if (ss_initialized && !selinux_mls_enabled) {
-			printk(KERN_ERR "SELinux: Cannot switch between non-MLS"
-				" and MLS policies\n");
-			goto bad;
-		}
-		selinux_mls_enabled = 1;
-		config |= POLICYDB_CONFIG_MLS;
+		p->mls_enabled = 1;
 
 		if (p->policyvers < POLICYDB_VERSION_MLS) {
 			printk(KERN_ERR "SELinux: security policydb version %d "
@@ -1769,12 +1791,6 @@ int policydb_read(struct policydb *p, void *fp)
 				p->policyvers);
 			goto bad;
 		}
-	} else {
-		if (ss_initialized && selinux_mls_enabled) {
-			printk(KERN_ERR "SELinux: Cannot switch between MLS and"
-				" non-MLS policies\n");
-			goto bad;
-		}
 	}
 	p->reject_unknown = !!(le32_to_cpu(buf[1]) & REJECT_UNKNOWN);
 	p->allow_unknown = !!(le32_to_cpu(buf[1]) & ALLOW_UNKNOWN);
@@ -2122,44 +2138,61 @@ int policydb_read(struct policydb *p, void *fp)
 		if (rc < 0)
 			goto bad;
 		nel = le32_to_cpu(buf[0]);
-		lrt = NULL;
 		for (i = 0; i < nel; i++) {
 			rt = kzalloc(sizeof(*rt), GFP_KERNEL);
 			if (!rt) {
 				rc = -ENOMEM;
 				goto bad;
 			}
-			if (lrt)
-				lrt->next = rt;
-			else
-				p->range_tr = rt;
 			rc = next_entry(buf, fp, (sizeof(u32) * 2));
-			if (rc < 0)
+			if (rc < 0) {
+				kfree(rt);
 				goto bad;
+			}
 			rt->source_type = le32_to_cpu(buf[0]);
 			rt->target_type = le32_to_cpu(buf[1]);
 			if (new_rangetr) {
 				rc = next_entry(buf, fp, sizeof(u32));
-				if (rc < 0)
+				if (rc < 0) {
+					kfree(rt);
 					goto bad;
+				}
 				rt->target_class = le32_to_cpu(buf[0]);
 			} else
 				rt->target_class = p->process_class;
 			if (!policydb_type_isvalid(p, rt->source_type) ||
 			    !policydb_type_isvalid(p, rt->target_type) ||
 			    !policydb_class_isvalid(p, rt->target_class)) {
+				kfree(rt);
 				rc = -EINVAL;
 				goto bad;
 			}
-			rc = mls_read_range_helper(&rt->target_range, fp);
-			if (rc)
+			r = kzalloc(sizeof(*r), GFP_KERNEL);
+			if (!r) {
+				kfree(rt);
+				rc = -ENOMEM;
 				goto bad;
-			if (!mls_range_isvalid(p, &rt->target_range)) {
+			}
+			rc = mls_read_range_helper(r, fp);
+			if (rc) {
+				kfree(rt);
+				kfree(r);
+				goto bad;
+			}
+			if (!mls_range_isvalid(p, r)) {
 				printk(KERN_WARNING "SELinux:  rangetrans:  invalid range\n");
+				kfree(rt);
+				kfree(r);
+				goto bad;
+			}
+			rc = hashtab_insert(p->range_tr, rt, r);
+			if (rc) {
+				kfree(rt);
+				kfree(r);
 				goto bad;
 			}
-			lrt = rt;
 		}
+		rangetr_hash_eval(p->range_tr);
 	}
 
 	p->type_attr_map = kmalloc(p->p_types.nprim*sizeof(struct ebitmap), GFP_KERNEL);
diff --git a/security/selinux/ss/policydb.h b/security/selinux/ss/policydb.h
index cdcc5700946f..26d9adf8542b 100644
--- a/security/selinux/ss/policydb.h
+++ b/security/selinux/ss/policydb.h
@@ -27,6 +27,8 @@
 #include "symtab.h"
 #include "avtab.h"
 #include "sidtab.h"
+#include "ebitmap.h"
+#include "mls_types.h"
 #include "context.h"
 #include "constraint.h"
 
@@ -113,8 +115,6 @@ struct range_trans {
 	u32 source_type;
 	u32 target_type;
 	u32 target_class;
-	struct mls_range target_range;
-	struct range_trans *next;
 };
 
 /* Boolean data type */
@@ -187,6 +187,8 @@ struct genfs {
 
 /* The policy database */
 struct policydb {
+	int mls_enabled;
+
 	/* symbol tables */
 	struct symtab symtab[SYM_NUM];
 #define p_commons symtab[SYM_COMMONS]
@@ -240,8 +242,8 @@ struct policydb {
 	   fixed labeling behavior. */
 	struct genfs *genfs;
 
-	/* range transitions */
-	struct range_trans *range_tr;
+	/* range transitions table (range_trans_key -> mls_range) */
+	struct hashtab *range_tr;
 
 	/* type -> attribute reverse mapping */
 	struct ebitmap *type_attr_map;
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index b3efae204ac7..cf27b3ee1a95 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -26,6 +26,10 @@
  *
  *  Added support for bounds domain and audit messaged on masked permissions
  *
+ * Updated: Guido Trentalancia <guido@trentalancia.com>
+ *
+ *  Added support for runtime switching of the policy type
+ *
  * Copyright (C) 2008, 2009 NEC Corporation
  * Copyright (C) 2006, 2007 Hewlett-Packard Development Company, L.P.
  * Copyright (C) 2004-2006 Trusted Computer Solutions, Inc.
@@ -87,11 +91,10 @@ static u32 latest_granting;
 static int context_struct_to_string(struct context *context, char **scontext,
 				    u32 *scontext_len);
 
-static int context_struct_compute_av(struct context *scontext,
-				     struct context *tcontext,
-				     u16 tclass,
-				     u32 requested,
-				     struct av_decision *avd);
+static void context_struct_compute_av(struct context *scontext,
+				      struct context *tcontext,
+				      u16 tclass,
+				      struct av_decision *avd);
 
 struct selinux_mapping {
 	u16 value; /* policy value */
@@ -196,23 +199,6 @@ static u16 unmap_class(u16 tclass)
 	return tclass;
 }
 
-static u32 unmap_perm(u16 tclass, u32 tperm)
-{
-	if (tclass < current_mapping_size) {
-		unsigned i;
-		u32 kperm = 0;
-
-		for (i = 0; i < current_mapping[tclass].num_perms; i++)
-			if (tperm & (1<<i)) {
-				kperm |= current_mapping[tclass].perms[i];
-				tperm &= ~(1<<i);
-			}
-		return kperm;
-	}
-
-	return tperm;
-}
-
 static void map_decision(u16 tclass, struct av_decision *avd,
 			 int allow_unknown)
 {
@@ -250,6 +236,10 @@ static void map_decision(u16 tclass, struct av_decision *avd,
 	}
 }
 
+int security_mls_enabled(void)
+{
+	return policydb.mls_enabled;
+}
 
 /*
  * Return the boolean value of a constraint expression
@@ -465,7 +455,8 @@ static void security_dump_masked_av(struct context *scontext,
 	char *scontext_name = NULL;
 	char *tcontext_name = NULL;
 	char *permission_names[32];
-	int index, length;
+	int index;
+	u32 length;
 	bool need_comma = false;
 
 	if (!permissions)
@@ -532,7 +523,6 @@ out:
 static void type_attribute_bounds_av(struct context *scontext,
 				     struct context *tcontext,
 				     u16 tclass,
-				     u32 requested,
 				     struct av_decision *avd)
 {
 	struct context lo_scontext;
@@ -553,7 +543,6 @@ static void type_attribute_bounds_av(struct context *scontext,
 		context_struct_compute_av(&lo_scontext,
 					  tcontext,
 					  tclass,
-					  requested,
 					  &lo_avd);
 		if ((lo_avd.allowed & avd->allowed) == avd->allowed)
 			return;		/* no masked permission */
@@ -569,7 +558,6 @@ static void type_attribute_bounds_av(struct context *scontext,
 		context_struct_compute_av(scontext,
 					  &lo_tcontext,
 					  tclass,
-					  requested,
 					  &lo_avd);
 		if ((lo_avd.allowed & avd->allowed) == avd->allowed)
 			return;		/* no masked permission */
@@ -586,7 +574,6 @@ static void type_attribute_bounds_av(struct context *scontext,
 		context_struct_compute_av(&lo_scontext,
 					  &lo_tcontext,
 					  tclass,
-					  requested,
 					  &lo_avd);
 		if ((lo_avd.allowed & avd->allowed) == avd->allowed)
 			return;		/* no masked permission */
@@ -607,11 +594,10 @@ static void type_attribute_bounds_av(struct context *scontext,
  * Compute access vectors based on a context structure pair for
  * the permissions in a particular class.
  */
-static int context_struct_compute_av(struct context *scontext,
-				     struct context *tcontext,
-				     u16 tclass,
-				     u32 requested,
-				     struct av_decision *avd)
+static void context_struct_compute_av(struct context *scontext,
+				      struct context *tcontext,
+				      u16 tclass,
+				      struct av_decision *avd)
 {
 	struct constraint_node *constraint;
 	struct role_allow *ra;
@@ -622,19 +608,14 @@ static int context_struct_compute_av(struct context *scontext,
 	struct ebitmap_node *snode, *tnode;
 	unsigned int i, j;
 
-	/*
-	 * Initialize the access vectors to the default values.
-	 */
 	avd->allowed = 0;
 	avd->auditallow = 0;
 	avd->auditdeny = 0xffffffff;
-	avd->seqno = latest_granting;
-	avd->flags = 0;
 
 	if (unlikely(!tclass || tclass > policydb.p_classes.nprim)) {
 		if (printk_ratelimit())
 			printk(KERN_WARNING "SELinux:  Invalid class %hu\n", tclass);
-		return -EINVAL;
+		return;
 	}
 
 	tclass_datum = policydb.class_val_to_struct[tclass - 1];
@@ -705,9 +686,7 @@ static int context_struct_compute_av(struct context *scontext,
 	 * permission and notice it to userspace via audit.
 	 */
 	type_attribute_bounds_av(scontext, tcontext,
-				 tclass, requested, avd);
-
-	return 0;
+				 tclass, avd);
 }
 
 static int security_validtrans_handle_fail(struct context *ocontext,
@@ -864,7 +843,7 @@ int security_bounded_transition(u32 old_sid, u32 new_sid)
 	if (rc) {
 		char *old_name = NULL;
 		char *new_name = NULL;
-		int length;
+		u32 length;
 
 		if (!context_struct_to_string(old_context,
 					      &old_name, &length) &&
@@ -886,110 +865,116 @@ out:
 	return rc;
 }
 
-
-static int security_compute_av_core(u32 ssid,
-				    u32 tsid,
-				    u16 tclass,
-				    u32 requested,
-				    struct av_decision *avd)
+static void avd_init(struct av_decision *avd)
 {
-	struct context *scontext = NULL, *tcontext = NULL;
-	int rc = 0;
-
-	scontext = sidtab_search(&sidtab, ssid);
-	if (!scontext) {
-		printk(KERN_ERR "SELinux: %s:  unrecognized SID %d\n",
-		       __func__, ssid);
-		return -EINVAL;
-	}
-	tcontext = sidtab_search(&sidtab, tsid);
-	if (!tcontext) {
-		printk(KERN_ERR "SELinux: %s:  unrecognized SID %d\n",
-		       __func__, tsid);
-		return -EINVAL;
-	}
-
-	rc = context_struct_compute_av(scontext, tcontext, tclass,
-				       requested, avd);
-
-	/* permissive domain? */
-	if (ebitmap_get_bit(&policydb.permissive_map, scontext->type))
-		avd->flags |= AVD_FLAGS_PERMISSIVE;
-
-	return rc;
+	avd->allowed = 0;
+	avd->auditallow = 0;
+	avd->auditdeny = 0xffffffff;
+	avd->seqno = latest_granting;
+	avd->flags = 0;
 }
 
+
 /**
  * security_compute_av - Compute access vector decisions.
  * @ssid: source security identifier
  * @tsid: target security identifier
  * @tclass: target security class
- * @requested: requested permissions
  * @avd: access vector decisions
  *
  * Compute a set of access vector decisions based on the
  * SID pair (@ssid, @tsid) for the permissions in @tclass.
- * Return -%EINVAL if any of the parameters are invalid or %0
- * if the access vector decisions were computed successfully.
  */
-int security_compute_av(u32 ssid,
-			u32 tsid,
-			u16 orig_tclass,
-			u32 orig_requested,
-			struct av_decision *avd)
+void security_compute_av(u32 ssid,
+			 u32 tsid,
+			 u16 orig_tclass,
+			 struct av_decision *avd)
 {
 	u16 tclass;
-	u32 requested;
-	int rc;
+	struct context *scontext = NULL, *tcontext = NULL;
 
 	read_lock(&policy_rwlock);
-
+	avd_init(avd);
 	if (!ss_initialized)
 		goto allow;
 
-	requested = unmap_perm(orig_tclass, orig_requested);
+	scontext = sidtab_search(&sidtab, ssid);
+	if (!scontext) {
+		printk(KERN_ERR "SELinux: %s:  unrecognized SID %d\n",
+		       __func__, ssid);
+		goto out;
+	}
+
+	/* permissive domain? */
+	if (ebitmap_get_bit(&policydb.permissive_map, scontext->type))
+		avd->flags |= AVD_FLAGS_PERMISSIVE;
+
+	tcontext = sidtab_search(&sidtab, tsid);
+	if (!tcontext) {
+		printk(KERN_ERR "SELinux: %s:  unrecognized SID %d\n",
+		       __func__, tsid);
+		goto out;
+	}
+
 	tclass = unmap_class(orig_tclass);
 	if (unlikely(orig_tclass && !tclass)) {
 		if (policydb.allow_unknown)
 			goto allow;
-		rc = -EINVAL;
 		goto out;
 	}
-	rc = security_compute_av_core(ssid, tsid, tclass, requested, avd);
+	context_struct_compute_av(scontext, tcontext, tclass, avd);
 	map_decision(orig_tclass, avd, policydb.allow_unknown);
 out:
 	read_unlock(&policy_rwlock);
-	return rc;
+	return;
 allow:
 	avd->allowed = 0xffffffff;
-	avd->auditallow = 0;
-	avd->auditdeny = 0xffffffff;
-	avd->seqno = latest_granting;
-	avd->flags = 0;
-	rc = 0;
 	goto out;
 }
 
-int security_compute_av_user(u32 ssid,
-			     u32 tsid,
-			     u16 tclass,
-			     u32 requested,
-			     struct av_decision *avd)
+void security_compute_av_user(u32 ssid,
+			      u32 tsid,
+			      u16 tclass,
+			      struct av_decision *avd)
 {
-	int rc;
+	struct context *scontext = NULL, *tcontext = NULL;
 
-	if (!ss_initialized) {
-		avd->allowed = 0xffffffff;
-		avd->auditallow = 0;
-		avd->auditdeny = 0xffffffff;
-		avd->seqno = latest_granting;
-		return 0;
+	read_lock(&policy_rwlock);
+	avd_init(avd);
+	if (!ss_initialized)
+		goto allow;
+
+	scontext = sidtab_search(&sidtab, ssid);
+	if (!scontext) {
+		printk(KERN_ERR "SELinux: %s:  unrecognized SID %d\n",
+		       __func__, ssid);
+		goto out;
 	}
 
-	read_lock(&policy_rwlock);
-	rc = security_compute_av_core(ssid, tsid, tclass, requested, avd);
+	/* permissive domain? */
+	if (ebitmap_get_bit(&policydb.permissive_map, scontext->type))
+		avd->flags |= AVD_FLAGS_PERMISSIVE;
+
+	tcontext = sidtab_search(&sidtab, tsid);
+	if (!tcontext) {
+		printk(KERN_ERR "SELinux: %s:  unrecognized SID %d\n",
+		       __func__, tsid);
+		goto out;
+	}
+
+	if (unlikely(!tclass)) {
+		if (policydb.allow_unknown)
+			goto allow;
+		goto out;
+	}
+
+	context_struct_compute_av(scontext, tcontext, tclass, avd);
+ out:
 	read_unlock(&policy_rwlock);
-	return rc;
+	return;
+allow:
+	avd->allowed = 0xffffffff;
+	goto out;
 }
 
 /*
@@ -1565,7 +1550,10 @@ static int clone_sid(u32 sid,
 {
 	struct sidtab *s = arg;
 
-	return sidtab_insert(s, sid, context);
+	if (sid > SECINITSID_NUM)
+		return sidtab_insert(s, sid, context);
+	else
+		return 0;
 }
 
 static inline int convert_context_handle_invalid_context(struct context *context)
@@ -1606,12 +1594,17 @@ static int convert_context(u32 key,
 {
 	struct convert_context_args *args;
 	struct context oldc;
+	struct ocontext *oc;
+	struct mls_range *range;
 	struct role_datum *role;
 	struct type_datum *typdatum;
 	struct user_datum *usrdatum;
 	char *s;
 	u32 len;
-	int rc;
+	int rc = 0;
+
+	if (key <= SECINITSID_NUM)
+		goto out;
 
 	args = p;
 
@@ -1673,9 +1666,39 @@ static int convert_context(u32 key,
 		goto bad;
 	c->type = typdatum->value;
 
-	rc = mls_convert_context(args->oldp, args->newp, c);
-	if (rc)
-		goto bad;
+	/* Convert the MLS fields if dealing with MLS policies */
+	if (args->oldp->mls_enabled && args->newp->mls_enabled) {
+		rc = mls_convert_context(args->oldp, args->newp, c);
+		if (rc)
+			goto bad;
+	} else if (args->oldp->mls_enabled && !args->newp->mls_enabled) {
+		/*
+		 * Switching between MLS and non-MLS policy:
+		 * free any storage used by the MLS fields in the
+		 * context for all existing entries in the sidtab.
+		 */
+		mls_context_destroy(c);
+	} else if (!args->oldp->mls_enabled && args->newp->mls_enabled) {
+		/*
+		 * Switching between non-MLS and MLS policy:
+		 * ensure that the MLS fields of the context for all
+		 * existing entries in the sidtab are filled in with a
+		 * suitable default value, likely taken from one of the
+		 * initial SIDs.
+		 */
+		oc = args->newp->ocontexts[OCON_ISID];
+		while (oc && oc->sid[0] != SECINITSID_UNLABELED)
+			oc = oc->next;
+		if (!oc) {
+			printk(KERN_ERR "SELinux:  unable to look up"
+				" the initial SIDs list\n");
+			goto bad;
+		}
+		range = &oc->context[0].range;
+		rc = mls_range_set(c, range);
+		if (rc)
+			goto bad;
+	}
 
 	/* Check the validity of the new context. */
 	if (!policydb_context_isvalid(args->newp, c)) {
@@ -1771,9 +1794,17 @@ int security_load_policy(void *data, size_t len)
 	if (policydb_read(&newpolicydb, fp))
 		return -EINVAL;
 
-	if (sidtab_init(&newsidtab)) {
+	/* If switching between different policy types, log MLS status */
+	if (policydb.mls_enabled && !newpolicydb.mls_enabled)
+		printk(KERN_INFO "SELinux: Disabling MLS support...\n");
+	else if (!policydb.mls_enabled && newpolicydb.mls_enabled)
+		printk(KERN_INFO "SELinux: Enabling MLS support...\n");
+
+	rc = policydb_load_isids(&newpolicydb, &newsidtab);
+	if (rc) {
+		printk(KERN_ERR "SELinux:  unable to load the initial SIDs\n");
 		policydb_destroy(&newpolicydb);
-		return -ENOMEM;
+		return rc;
 	}
 
 	if (selinux_set_mapping(&newpolicydb, secclass_map,
@@ -1800,8 +1831,12 @@ int security_load_policy(void *data, size_t len)
 	args.oldp = &policydb;
 	args.newp = &newpolicydb;
 	rc = sidtab_map(&newsidtab, convert_context, &args);
-	if (rc)
+	if (rc) {
+		printk(KERN_ERR "SELinux:  unable to convert the internal"
+			" representation of contexts in the new SID"
+			" table\n");
 		goto err;
+	}
 
 	/* Save the old policydb and SID table to free later. */
 	memcpy(&oldpolicydb, &policydb, sizeof policydb);
@@ -2397,7 +2432,7 @@ int security_sid_mls_copy(u32 sid, u32 mls_sid, u32 *new_sid)
 	u32 len;
 	int rc = 0;
 
-	if (!ss_initialized || !selinux_mls_enabled) {
+	if (!ss_initialized || !policydb.mls_enabled) {
 		*new_sid = sid;
 		goto out;
 	}
@@ -2498,7 +2533,7 @@ int security_net_peersid_resolve(u32 nlbl_sid, u32 nlbl_type,
 	/* we don't need to check ss_initialized here since the only way both
 	 * nlbl_sid and xfrm_sid are not equal to SECSID_NULL would be if the
 	 * security server was initialized and ss_initialized was true */
-	if (!selinux_mls_enabled) {
+	if (!policydb.mls_enabled) {
 		*peer_sid = SECSID_NULL;
 		return 0;
 	}
@@ -2555,7 +2590,7 @@ int security_get_classes(char ***classes, int *nclasses)
 	read_lock(&policy_rwlock);
 
 	*nclasses = policydb.p_classes.nprim;
-	*classes = kcalloc(*nclasses, sizeof(*classes), GFP_ATOMIC);
+	*classes = kcalloc(*nclasses, sizeof(**classes), GFP_ATOMIC);
 	if (!*classes)
 		goto out;
 
@@ -2602,7 +2637,7 @@ int security_get_permissions(char *class, char ***perms, int *nperms)
 	}
 
 	*nperms = match->permissions.nprim;
-	*perms = kcalloc(*nperms, sizeof(*perms), GFP_ATOMIC);
+	*perms = kcalloc(*nperms, sizeof(**perms), GFP_ATOMIC);
 	if (!*perms)
 		goto out;
 
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 529c9ca65878..5225e668dbf0 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -157,12 +157,12 @@ static int smack_ptrace_traceme(struct task_struct *ptp)
  *
  * Returns 0 on success, error code otherwise.
  */
-static int smack_syslog(int type)
+static int smack_syslog(int type, bool from_file)
 {
 	int rc;
 	char *sp = current_security();
 
-	rc = cap_syslog(type);
+	rc = cap_syslog(type, from_file);
 	if (rc != 0)
 		return rc;
 
@@ -387,7 +387,7 @@ static int smack_sb_umount(struct vfsmount *mnt, int flags)
 	struct smk_audit_info ad;
 
 	smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_FS);
-	smk_ad_setfield_u_fs_path_dentry(&ad, mnt->mnt_mountpoint);
+	smk_ad_setfield_u_fs_path_dentry(&ad, mnt->mnt_root);
 	smk_ad_setfield_u_fs_path_mnt(&ad, mnt);
 
 	sbp = mnt->mnt_sb->s_security;
diff --git a/security/tomoyo/Makefile b/security/tomoyo/Makefile
index 10ccd686b290..60a9e2002da1 100644
--- a/security/tomoyo/Makefile
+++ b/security/tomoyo/Makefile
@@ -1 +1 @@
-obj-y = common.o realpath.o tomoyo.o domain.o file.o
+obj-y = common.o realpath.o tomoyo.o domain.o file.o gc.o
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index e0d0354008b7..ef89947a774b 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -12,9 +12,10 @@
 #include <linux/uaccess.h>
 #include <linux/security.h>
 #include <linux/hardirq.h>
-#include "realpath.h"
 #include "common.h"
-#include "tomoyo.h"
+
+/* Lock for protecting policy. */
+DEFINE_MUTEX(tomoyo_policy_lock);
 
 /* Has loading policy done? */
 bool tomoyo_policy_loaded;
@@ -178,14 +179,12 @@ static void tomoyo_normalize_line(unsigned char *buffer)
  *                1 = must / -1 = must not / 0 = don't care
  * @end_type:     Should the pathname end with '/'?
  *                1 = must / -1 = must not / 0 = don't care
- * @function:     The name of function calling me.
  *
  * Check whether the given filename follows the naming rules.
  * Returns true if @filename follows the naming rules, false otherwise.
  */
 bool tomoyo_is_correct_path(const char *filename, const s8 start_type,
-			    const s8 pattern_type, const s8 end_type,
-			    const char *function)
+			    const s8 pattern_type, const s8 end_type)
 {
 	const char *const start = filename;
 	bool in_repetition = false;
@@ -193,7 +192,6 @@ bool tomoyo_is_correct_path(const char *filename, const s8 start_type,
 	unsigned char c;
 	unsigned char d;
 	unsigned char e;
-	const char *original_filename = filename;
 
 	if (!filename)
 		goto out;
@@ -282,25 +280,20 @@ bool tomoyo_is_correct_path(const char *filename, const s8 start_type,
 		goto out;
 	return true;
  out:
-	printk(KERN_DEBUG "%s: Invalid pathname '%s'\n", function,
-	       original_filename);
 	return false;
 }
 
 /**
  * tomoyo_is_correct_domain - Check whether the given domainname follows the naming rules.
  * @domainname:   The domainname to check.
- * @function:     The name of function calling me.
  *
  * Returns true if @domainname follows the naming rules, false otherwise.
  */
-bool tomoyo_is_correct_domain(const unsigned char *domainname,
-			      const char *function)
+bool tomoyo_is_correct_domain(const unsigned char *domainname)
 {
 	unsigned char c;
 	unsigned char d;
 	unsigned char e;
-	const char *org_domainname = domainname;
 
 	if (!domainname || strncmp(domainname, TOMOYO_ROOT_NAME,
 				   TOMOYO_ROOT_NAME_LEN))
@@ -343,8 +336,6 @@ bool tomoyo_is_correct_domain(const unsigned char *domainname,
 	} while (*domainname);
 	return true;
  out:
-	printk(KERN_DEBUG "%s: Invalid domainname '%s'\n", function,
-	       org_domainname);
 	return false;
 }
 
@@ -365,10 +356,9 @@ bool tomoyo_is_domain_def(const unsigned char *buffer)
  *
  * @domainname: The domainname to find.
  *
- * Caller must call down_read(&tomoyo_domain_list_lock); or
- * down_write(&tomoyo_domain_list_lock); .
- *
  * Returns pointer to "struct tomoyo_domain_info" if found, NULL otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 struct tomoyo_domain_info *tomoyo_find_domain(const char *domainname)
 {
@@ -377,7 +367,7 @@ struct tomoyo_domain_info *tomoyo_find_domain(const char *domainname)
 
 	name.name = domainname;
 	tomoyo_fill_path_info(&name);
-	list_for_each_entry(domain, &tomoyo_domain_list, list) {
+	list_for_each_entry_rcu(domain, &tomoyo_domain_list, list) {
 		if (!domain->is_deleted &&
 		    !tomoyo_pathcmp(&name, domain->domainname))
 			return domain;
@@ -748,7 +738,7 @@ bool tomoyo_io_printf(struct tomoyo_io_buffer *head, const char *fmt, ...)
  *
  * Returns the tomoyo_realpath() of current process on success, NULL otherwise.
  *
- * This function uses tomoyo_alloc(), so the caller must call tomoyo_free()
+ * This function uses kzalloc(), so the caller must call kfree()
  * if this function didn't return NULL.
  */
 static const char *tomoyo_get_exe(void)
@@ -829,6 +819,8 @@ bool tomoyo_verbose_mode(const struct tomoyo_domain_info *domain)
  * @domain: Pointer to "struct tomoyo_domain_info".
  *
  * Returns true if the domain is not exceeded quota, false otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 bool tomoyo_domain_quota_is_ok(struct tomoyo_domain_info * const domain)
 {
@@ -837,61 +829,29 @@ bool tomoyo_domain_quota_is_ok(struct tomoyo_domain_info * const domain)
 
 	if (!domain)
 		return true;
-	down_read(&tomoyo_domain_acl_info_list_lock);
-	list_for_each_entry(ptr, &domain->acl_info_list, list) {
-		if (ptr->type & TOMOYO_ACL_DELETED)
-			continue;
-		switch (tomoyo_acl_type2(ptr)) {
-			struct tomoyo_single_path_acl_record *acl1;
-			struct tomoyo_double_path_acl_record *acl2;
-			u16 perm;
-		case TOMOYO_TYPE_SINGLE_PATH_ACL:
-			acl1 = container_of(ptr,
-				    struct tomoyo_single_path_acl_record,
-					    head);
-			perm = acl1->perm;
-			if (perm & (1 << TOMOYO_TYPE_EXECUTE_ACL))
-				count++;
-			if (perm &
-			    ((1 << TOMOYO_TYPE_READ_ACL) |
-			     (1 << TOMOYO_TYPE_WRITE_ACL)))
-				count++;
-			if (perm & (1 << TOMOYO_TYPE_CREATE_ACL))
-				count++;
-			if (perm & (1 << TOMOYO_TYPE_UNLINK_ACL))
-				count++;
-			if (perm & (1 << TOMOYO_TYPE_MKDIR_ACL))
-				count++;
-			if (perm & (1 << TOMOYO_TYPE_RMDIR_ACL))
-				count++;
-			if (perm & (1 << TOMOYO_TYPE_MKFIFO_ACL))
-				count++;
-			if (perm & (1 << TOMOYO_TYPE_MKSOCK_ACL))
-				count++;
-			if (perm & (1 << TOMOYO_TYPE_MKBLOCK_ACL))
-				count++;
-			if (perm & (1 << TOMOYO_TYPE_MKCHAR_ACL))
-				count++;
-			if (perm & (1 << TOMOYO_TYPE_TRUNCATE_ACL))
-				count++;
-			if (perm & (1 << TOMOYO_TYPE_SYMLINK_ACL))
-				count++;
-			if (perm & (1 << TOMOYO_TYPE_REWRITE_ACL))
-				count++;
+	list_for_each_entry_rcu(ptr, &domain->acl_info_list, list) {
+		switch (ptr->type) {
+			struct tomoyo_path_acl *acl;
+			u32 perm;
+			u8 i;
+		case TOMOYO_TYPE_PATH_ACL:
+			acl = container_of(ptr, struct tomoyo_path_acl, head);
+			perm = acl->perm | (((u32) acl->perm_high) << 16);
+			for (i = 0; i < TOMOYO_MAX_PATH_OPERATION; i++)
+				if (perm & (1 << i))
+					count++;
+			if (perm & (1 << TOMOYO_TYPE_READ_WRITE))
+				count -= 2;
 			break;
-		case TOMOYO_TYPE_DOUBLE_PATH_ACL:
-			acl2 = container_of(ptr,
-				    struct tomoyo_double_path_acl_record,
-					    head);
-			perm = acl2->perm;
-			if (perm & (1 << TOMOYO_TYPE_LINK_ACL))
-				count++;
-			if (perm & (1 << TOMOYO_TYPE_RENAME_ACL))
-				count++;
+		case TOMOYO_TYPE_PATH2_ACL:
+			perm = container_of(ptr, struct tomoyo_path2_acl, head)
+				->perm;
+			for (i = 0; i < TOMOYO_MAX_PATH2_OPERATION; i++)
+				if (perm & (1 << i))
+					count++;
 			break;
 		}
 	}
-	up_read(&tomoyo_domain_acl_info_list_lock);
 	if (count < tomoyo_check_flags(domain, TOMOYO_MAX_ACCEPT_ENTRY))
 		return true;
 	if (!domain->quota_warned) {
@@ -923,9 +883,12 @@ static struct tomoyo_profile *tomoyo_find_or_assign_new_profile(const unsigned
 	ptr = tomoyo_profile_ptr[profile];
 	if (ptr)
 		goto ok;
-	ptr = tomoyo_alloc_element(sizeof(*ptr));
-	if (!ptr)
+	ptr = kmalloc(sizeof(*ptr), GFP_KERNEL);
+	if (!tomoyo_memory_ok(ptr)) {
+		kfree(ptr);
+		ptr = NULL;
 		goto ok;
+	}
 	for (i = 0; i < TOMOYO_MAX_CONTROL_INDEX; i++)
 		ptr->value[i] = tomoyo_control_array[i].current_value;
 	mb(); /* Avoid out-of-order execution. */
@@ -966,7 +929,9 @@ static int tomoyo_write_profile(struct tomoyo_io_buffer *head)
 		return -EINVAL;
 	*cp = '\0';
 	if (!strcmp(data, "COMMENT")) {
-		profile->comment = tomoyo_save_name(cp + 1);
+		const struct tomoyo_path_info *old_comment = profile->comment;
+		profile->comment = tomoyo_get_name(cp + 1);
+		tomoyo_put_name(old_comment);
 		return 0;
 	}
 	for (i = 0; i < TOMOYO_MAX_CONTROL_INDEX; i++) {
@@ -1061,27 +1026,6 @@ static int tomoyo_read_profile(struct tomoyo_io_buffer *head)
 }
 
 /*
- * tomoyo_policy_manager_entry is a structure which is used for holding list of
- * domainnames or programs which are permitted to modify configuration via
- * /sys/kernel/security/tomoyo/ interface.
- * It has following fields.
- *
- *  (1) "list" which is linked to tomoyo_policy_manager_list .
- *  (2) "manager" is a domainname or a program's pathname.
- *  (3) "is_domain" is a bool which is true if "manager" is a domainname, false
- *      otherwise.
- *  (4) "is_deleted" is a bool which is true if marked as deleted, false
- *      otherwise.
- */
-struct tomoyo_policy_manager_entry {
-	struct list_head list;
-	/* A path to program or a domainname. */
-	const struct tomoyo_path_info *manager;
-	bool is_domain;  /* True if manager is a domainname. */
-	bool is_deleted; /* True if this entry is deleted. */
-};
-
-/*
  * tomoyo_policy_manager_list is used for holding list of domainnames or
  * programs which are permitted to modify configuration via
  * /sys/kernel/security/tomoyo/ interface.
@@ -1111,8 +1055,7 @@ struct tomoyo_policy_manager_entry {
  *
  * # cat /sys/kernel/security/tomoyo/manager
  */
-static LIST_HEAD(tomoyo_policy_manager_list);
-static DECLARE_RWSEM(tomoyo_policy_manager_list_lock);
+LIST_HEAD(tomoyo_policy_manager_list);
 
 /**
  * tomoyo_update_manager_entry - Add a manager entry.
@@ -1121,48 +1064,50 @@ static DECLARE_RWSEM(tomoyo_policy_manager_list_lock);
  * @is_delete: True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_update_manager_entry(const char *manager,
 				       const bool is_delete)
 {
-	struct tomoyo_policy_manager_entry *new_entry;
+	struct tomoyo_policy_manager_entry *entry = NULL;
 	struct tomoyo_policy_manager_entry *ptr;
 	const struct tomoyo_path_info *saved_manager;
-	int error = -ENOMEM;
+	int error = is_delete ? -ENOENT : -ENOMEM;
 	bool is_domain = false;
 
 	if (tomoyo_is_domain_def(manager)) {
-		if (!tomoyo_is_correct_domain(manager, __func__))
+		if (!tomoyo_is_correct_domain(manager))
 			return -EINVAL;
 		is_domain = true;
 	} else {
-		if (!tomoyo_is_correct_path(manager, 1, -1, -1, __func__))
+		if (!tomoyo_is_correct_path(manager, 1, -1, -1))
 			return -EINVAL;
 	}
-	saved_manager = tomoyo_save_name(manager);
+	saved_manager = tomoyo_get_name(manager);
 	if (!saved_manager)
 		return -ENOMEM;
-	down_write(&tomoyo_policy_manager_list_lock);
-	list_for_each_entry(ptr, &tomoyo_policy_manager_list, list) {
+	if (!is_delete)
+		entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	mutex_lock(&tomoyo_policy_lock);
+	list_for_each_entry_rcu(ptr, &tomoyo_policy_manager_list, list) {
 		if (ptr->manager != saved_manager)
 			continue;
 		ptr->is_deleted = is_delete;
 		error = 0;
-		goto out;
+		break;
 	}
-	if (is_delete) {
-		error = -ENOENT;
-		goto out;
+	if (!is_delete && error && tomoyo_memory_ok(entry)) {
+		entry->manager = saved_manager;
+		saved_manager = NULL;
+		entry->is_domain = is_domain;
+		list_add_tail_rcu(&entry->list, &tomoyo_policy_manager_list);
+		entry = NULL;
+		error = 0;
 	}
-	new_entry = tomoyo_alloc_element(sizeof(*new_entry));
-	if (!new_entry)
-		goto out;
-	new_entry->manager = saved_manager;
-	new_entry->is_domain = is_domain;
-	list_add_tail(&new_entry->list, &tomoyo_policy_manager_list);
-	error = 0;
- out:
-	up_write(&tomoyo_policy_manager_list_lock);
+	mutex_unlock(&tomoyo_policy_lock);
+	tomoyo_put_name(saved_manager);
+	kfree(entry);
 	return error;
 }
 
@@ -1172,6 +1117,8 @@ static int tomoyo_update_manager_entry(const char *manager,
  * @head: Pointer to "struct tomoyo_io_buffer".
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_write_manager_policy(struct tomoyo_io_buffer *head)
 {
@@ -1191,6 +1138,8 @@ static int tomoyo_write_manager_policy(struct tomoyo_io_buffer *head)
  * @head: Pointer to "struct tomoyo_io_buffer".
  *
  * Returns 0.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_read_manager_policy(struct tomoyo_io_buffer *head)
 {
@@ -1199,7 +1148,6 @@ static int tomoyo_read_manager_policy(struct tomoyo_io_buffer *head)
 
 	if (head->read_eof)
 		return 0;
-	down_read(&tomoyo_policy_manager_list_lock);
 	list_for_each_cookie(pos, head->read_var2,
 			     &tomoyo_policy_manager_list) {
 		struct tomoyo_policy_manager_entry *ptr;
@@ -1211,7 +1159,6 @@ static int tomoyo_read_manager_policy(struct tomoyo_io_buffer *head)
 		if (!done)
 			break;
 	}
-	up_read(&tomoyo_policy_manager_list_lock);
 	head->read_eof = done;
 	return 0;
 }
@@ -1221,6 +1168,8 @@ static int tomoyo_read_manager_policy(struct tomoyo_io_buffer *head)
  *
  * Returns true if the current process is permitted to modify policy
  * via /sys/kernel/security/tomoyo/ interface.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static bool tomoyo_is_policy_manager(void)
 {
@@ -1234,29 +1183,25 @@ static bool tomoyo_is_policy_manager(void)
 		return true;
 	if (!tomoyo_manage_by_non_root && (task->cred->uid || task->cred->euid))
 		return false;
-	down_read(&tomoyo_policy_manager_list_lock);
-	list_for_each_entry(ptr, &tomoyo_policy_manager_list, list) {
+	list_for_each_entry_rcu(ptr, &tomoyo_policy_manager_list, list) {
 		if (!ptr->is_deleted && ptr->is_domain
 		    && !tomoyo_pathcmp(domainname, ptr->manager)) {
 			found = true;
 			break;
 		}
 	}
-	up_read(&tomoyo_policy_manager_list_lock);
 	if (found)
 		return true;
 	exe = tomoyo_get_exe();
 	if (!exe)
 		return false;
-	down_read(&tomoyo_policy_manager_list_lock);
-	list_for_each_entry(ptr, &tomoyo_policy_manager_list, list) {
+	list_for_each_entry_rcu(ptr, &tomoyo_policy_manager_list, list) {
 		if (!ptr->is_deleted && !ptr->is_domain
 		    && !strcmp(exe, ptr->manager->name)) {
 			found = true;
 			break;
 		}
 	}
-	up_read(&tomoyo_policy_manager_list_lock);
 	if (!found) { /* Reduce error messages. */
 		static pid_t last_pid;
 		const pid_t pid = current->pid;
@@ -1266,7 +1211,7 @@ static bool tomoyo_is_policy_manager(void)
 			last_pid = pid;
 		}
 	}
-	tomoyo_free(exe);
+	kfree(exe);
 	return found;
 }
 
@@ -1277,6 +1222,8 @@ static bool tomoyo_is_policy_manager(void)
  * @data: String to parse.
  *
  * Returns true on success, false otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static bool tomoyo_is_select_one(struct tomoyo_io_buffer *head,
 				 const char *data)
@@ -1286,17 +1233,16 @@ static bool tomoyo_is_select_one(struct tomoyo_io_buffer *head,
 
 	if (sscanf(data, "pid=%u", &pid) == 1) {
 		struct task_struct *p;
+		rcu_read_lock();
 		read_lock(&tasklist_lock);
 		p = find_task_by_vpid(pid);
 		if (p)
 			domain = tomoyo_real_domain(p);
 		read_unlock(&tasklist_lock);
+		rcu_read_unlock();
 	} else if (!strncmp(data, "domain=", 7)) {
-		if (tomoyo_is_domain_def(data + 7)) {
-			down_read(&tomoyo_domain_list_lock);
+		if (tomoyo_is_domain_def(data + 7))
 			domain = tomoyo_find_domain(data + 7);
-			up_read(&tomoyo_domain_list_lock);
-		}
 	} else
 		return false;
 	head->write_var1 = domain;
@@ -1310,13 +1256,11 @@ static bool tomoyo_is_select_one(struct tomoyo_io_buffer *head,
 	if (domain) {
 		struct tomoyo_domain_info *d;
 		head->read_var1 = NULL;
-		down_read(&tomoyo_domain_list_lock);
-		list_for_each_entry(d, &tomoyo_domain_list, list) {
+		list_for_each_entry_rcu(d, &tomoyo_domain_list, list) {
 			if (d == domain)
 				break;
 			head->read_var1 = &d->list;
 		}
-		up_read(&tomoyo_domain_list_lock);
 		head->read_var2 = NULL;
 		head->read_bit = 0;
 		head->read_step = 0;
@@ -1332,6 +1276,8 @@ static bool tomoyo_is_select_one(struct tomoyo_io_buffer *head,
  * @domainname: The name of domain.
  *
  * Returns 0.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_delete_domain(char *domainname)
 {
@@ -1340,9 +1286,9 @@ static int tomoyo_delete_domain(char *domainname)
 
 	name.name = domainname;
 	tomoyo_fill_path_info(&name);
-	down_write(&tomoyo_domain_list_lock);
+	mutex_lock(&tomoyo_policy_lock);
 	/* Is there an active domain? */
-	list_for_each_entry(domain, &tomoyo_domain_list, list) {
+	list_for_each_entry_rcu(domain, &tomoyo_domain_list, list) {
 		/* Never delete tomoyo_kernel_domain */
 		if (domain == &tomoyo_kernel_domain)
 			continue;
@@ -1352,7 +1298,7 @@ static int tomoyo_delete_domain(char *domainname)
 		domain->is_deleted = true;
 		break;
 	}
-	up_write(&tomoyo_domain_list_lock);
+	mutex_unlock(&tomoyo_policy_lock);
 	return 0;
 }
 
@@ -1362,6 +1308,8 @@ static int tomoyo_delete_domain(char *domainname)
  * @head: Pointer to "struct tomoyo_io_buffer".
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_write_domain_policy(struct tomoyo_io_buffer *head)
 {
@@ -1384,11 +1332,9 @@ static int tomoyo_write_domain_policy(struct tomoyo_io_buffer *head)
 		domain = NULL;
 		if (is_delete)
 			tomoyo_delete_domain(data);
-		else if (is_select) {
-			down_read(&tomoyo_domain_list_lock);
+		else if (is_select)
 			domain = tomoyo_find_domain(data);
-			up_read(&tomoyo_domain_list_lock);
-		} else
+		else
 			domain = tomoyo_find_or_assign_new_domain(data, 0);
 		head->write_var1 = domain;
 		return 0;
@@ -1403,43 +1349,39 @@ static int tomoyo_write_domain_policy(struct tomoyo_io_buffer *head)
 		return 0;
 	}
 	if (!strcmp(data, TOMOYO_KEYWORD_IGNORE_GLOBAL_ALLOW_READ)) {
-		tomoyo_set_domain_flag(domain, is_delete,
-			       TOMOYO_DOMAIN_FLAGS_IGNORE_GLOBAL_ALLOW_READ);
+		domain->ignore_global_allow_read = !is_delete;
 		return 0;
 	}
 	return tomoyo_write_file_policy(data, domain, is_delete);
 }
 
 /**
- * tomoyo_print_single_path_acl - Print a single path ACL entry.
+ * tomoyo_print_path_acl - Print a single path ACL entry.
  *
  * @head: Pointer to "struct tomoyo_io_buffer".
- * @ptr:  Pointer to "struct tomoyo_single_path_acl_record".
+ * @ptr:  Pointer to "struct tomoyo_path_acl".
  *
  * Returns true on success, false otherwise.
  */
-static bool tomoyo_print_single_path_acl(struct tomoyo_io_buffer *head,
-					 struct tomoyo_single_path_acl_record *
-					 ptr)
+static bool tomoyo_print_path_acl(struct tomoyo_io_buffer *head,
+				  struct tomoyo_path_acl *ptr)
 {
 	int pos;
 	u8 bit;
 	const char *atmark = "";
 	const char *filename;
-	const u16 perm = ptr->perm;
+	const u32 perm = ptr->perm | (((u32) ptr->perm_high) << 16);
 
 	filename = ptr->filename->name;
-	for (bit = head->read_bit; bit < TOMOYO_MAX_SINGLE_PATH_OPERATION;
-	     bit++) {
+	for (bit = head->read_bit; bit < TOMOYO_MAX_PATH_OPERATION; bit++) {
 		const char *msg;
 		if (!(perm & (1 << bit)))
 			continue;
 		/* Print "read/write" instead of "read" and "write". */
-		if ((bit == TOMOYO_TYPE_READ_ACL ||
-		     bit == TOMOYO_TYPE_WRITE_ACL)
-		    && (perm & (1 << TOMOYO_TYPE_READ_WRITE_ACL)))
+		if ((bit == TOMOYO_TYPE_READ || bit == TOMOYO_TYPE_WRITE)
+		    && (perm & (1 << TOMOYO_TYPE_READ_WRITE)))
 			continue;
-		msg = tomoyo_sp2keyword(bit);
+		msg = tomoyo_path2keyword(bit);
 		pos = head->read_avail;
 		if (!tomoyo_io_printf(head, "allow_%s %s%s\n", msg,
 				      atmark, filename))
@@ -1454,16 +1396,15 @@ static bool tomoyo_print_single_path_acl(struct tomoyo_io_buffer *head,
 }
 
 /**
- * tomoyo_print_double_path_acl - Print a double path ACL entry.
+ * tomoyo_print_path2_acl - Print a double path ACL entry.
  *
  * @head: Pointer to "struct tomoyo_io_buffer".
- * @ptr:  Pointer to "struct tomoyo_double_path_acl_record".
+ * @ptr:  Pointer to "struct tomoyo_path2_acl".
  *
  * Returns true on success, false otherwise.
  */
-static bool tomoyo_print_double_path_acl(struct tomoyo_io_buffer *head,
-					 struct tomoyo_double_path_acl_record *
-					 ptr)
+static bool tomoyo_print_path2_acl(struct tomoyo_io_buffer *head,
+				   struct tomoyo_path2_acl *ptr)
 {
 	int pos;
 	const char *atmark1 = "";
@@ -1475,12 +1416,11 @@ static bool tomoyo_print_double_path_acl(struct tomoyo_io_buffer *head,
 
 	filename1 = ptr->filename1->name;
 	filename2 = ptr->filename2->name;
-	for (bit = head->read_bit; bit < TOMOYO_MAX_DOUBLE_PATH_OPERATION;
-	     bit++) {
+	for (bit = head->read_bit; bit < TOMOYO_MAX_PATH2_OPERATION; bit++) {
 		const char *msg;
 		if (!(perm & (1 << bit)))
 			continue;
-		msg = tomoyo_dp2keyword(bit);
+		msg = tomoyo_path22keyword(bit);
 		pos = head->read_avail;
 		if (!tomoyo_io_printf(head, "allow_%s %s%s %s%s\n", msg,
 				      atmark1, filename1, atmark2, filename2))
@@ -1505,23 +1445,17 @@ static bool tomoyo_print_double_path_acl(struct tomoyo_io_buffer *head,
 static bool tomoyo_print_entry(struct tomoyo_io_buffer *head,
 			       struct tomoyo_acl_info *ptr)
 {
-	const u8 acl_type = tomoyo_acl_type2(ptr);
+	const u8 acl_type = ptr->type;
 
-	if (acl_type & TOMOYO_ACL_DELETED)
-		return true;
-	if (acl_type == TOMOYO_TYPE_SINGLE_PATH_ACL) {
-		struct tomoyo_single_path_acl_record *acl
-			= container_of(ptr,
-				       struct tomoyo_single_path_acl_record,
-				       head);
-		return tomoyo_print_single_path_acl(head, acl);
+	if (acl_type == TOMOYO_TYPE_PATH_ACL) {
+		struct tomoyo_path_acl *acl
+			= container_of(ptr, struct tomoyo_path_acl, head);
+		return tomoyo_print_path_acl(head, acl);
 	}
-	if (acl_type == TOMOYO_TYPE_DOUBLE_PATH_ACL) {
-		struct tomoyo_double_path_acl_record *acl
-			= container_of(ptr,
-				       struct tomoyo_double_path_acl_record,
-				       head);
-		return tomoyo_print_double_path_acl(head, acl);
+	if (acl_type == TOMOYO_TYPE_PATH2_ACL) {
+		struct tomoyo_path2_acl *acl
+			= container_of(ptr, struct tomoyo_path2_acl, head);
+		return tomoyo_print_path2_acl(head, acl);
 	}
 	BUG(); /* This must not happen. */
 	return false;
@@ -1533,6 +1467,8 @@ static bool tomoyo_print_entry(struct tomoyo_io_buffer *head,
  * @head: Pointer to "struct tomoyo_io_buffer".
  *
  * Returns 0.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_read_domain_policy(struct tomoyo_io_buffer *head)
 {
@@ -1544,7 +1480,6 @@ static int tomoyo_read_domain_policy(struct tomoyo_io_buffer *head)
 		return 0;
 	if (head->read_step == 0)
 		head->read_step = 1;
-	down_read(&tomoyo_domain_list_lock);
 	list_for_each_cookie(dpos, head->read_var1, &tomoyo_domain_list) {
 		struct tomoyo_domain_info *domain;
 		const char *quota_exceeded = "";
@@ -1558,10 +1493,9 @@ static int tomoyo_read_domain_policy(struct tomoyo_io_buffer *head)
 		/* Print domainname and flags. */
 		if (domain->quota_warned)
 			quota_exceeded = "quota_exceeded\n";
-		if (domain->flags & TOMOYO_DOMAIN_FLAGS_TRANSITION_FAILED)
+		if (domain->transition_failed)
 			transition_failed = "transition_failed\n";
-		if (domain->flags &
-		    TOMOYO_DOMAIN_FLAGS_IGNORE_GLOBAL_ALLOW_READ)
+		if (domain->ignore_global_allow_read)
 			ignore_global_allow_read
 				= TOMOYO_KEYWORD_IGNORE_GLOBAL_ALLOW_READ "\n";
 		done = tomoyo_io_printf(head, "%s\n" TOMOYO_KEYWORD_USE_PROFILE
@@ -1577,7 +1511,6 @@ acl_loop:
 		if (head->read_step == 3)
 			goto tail_mark;
 		/* Print ACL entries in the domain. */
-		down_read(&tomoyo_domain_acl_info_list_lock);
 		list_for_each_cookie(apos, head->read_var2,
 				     &domain->acl_info_list) {
 			struct tomoyo_acl_info *ptr
@@ -1587,7 +1520,6 @@ acl_loop:
 			if (!done)
 				break;
 		}
-		up_read(&tomoyo_domain_acl_info_list_lock);
 		if (!done)
 			break;
 		head->read_step = 3;
@@ -1599,7 +1531,6 @@ tail_mark:
 		if (head->read_single_domain)
 			break;
 	}
-	up_read(&tomoyo_domain_list_lock);
 	head->read_eof = done;
 	return 0;
 }
@@ -1615,6 +1546,8 @@ tail_mark:
  *
  *     ( echo "select " $domainname; echo "use_profile " $profile ) |
  *     /usr/lib/ccs/loadpolicy -d
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_write_domain_profile(struct tomoyo_io_buffer *head)
 {
@@ -1626,9 +1559,7 @@ static int tomoyo_write_domain_profile(struct tomoyo_io_buffer *head)
 	if (!cp)
 		return -EINVAL;
 	*cp = '\0';
-	down_read(&tomoyo_domain_list_lock);
 	domain = tomoyo_find_domain(cp + 1);
-	up_read(&tomoyo_domain_list_lock);
 	if (strict_strtoul(data, 10, &profile))
 		return -EINVAL;
 	if (domain && profile < TOMOYO_MAX_PROFILES
@@ -1650,6 +1581,8 @@ static int tomoyo_write_domain_profile(struct tomoyo_io_buffer *head)
  *     awk ' { if ( domainname == "" ) { if ( $1 == "<kernel>" )
  *     domainname = $0; } else if ( $1 == "use_profile" ) {
  *     print $2 " " domainname; domainname = ""; } } ; '
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_read_domain_profile(struct tomoyo_io_buffer *head)
 {
@@ -1658,7 +1591,6 @@ static int tomoyo_read_domain_profile(struct tomoyo_io_buffer *head)
 
 	if (head->read_eof)
 		return 0;
-	down_read(&tomoyo_domain_list_lock);
 	list_for_each_cookie(pos, head->read_var1, &tomoyo_domain_list) {
 		struct tomoyo_domain_info *domain;
 		domain = list_entry(pos, struct tomoyo_domain_info, list);
@@ -1669,7 +1601,6 @@ static int tomoyo_read_domain_profile(struct tomoyo_io_buffer *head)
 		if (!done)
 			break;
 	}
-	up_read(&tomoyo_domain_list_lock);
 	head->read_eof = done;
 	return 0;
 }
@@ -1707,11 +1638,13 @@ static int tomoyo_read_pid(struct tomoyo_io_buffer *head)
 		const int pid = head->read_step;
 		struct task_struct *p;
 		struct tomoyo_domain_info *domain = NULL;
+		rcu_read_lock();
 		read_lock(&tasklist_lock);
 		p = find_task_by_vpid(pid);
 		if (p)
 			domain = tomoyo_real_domain(p);
 		read_unlock(&tasklist_lock);
+		rcu_read_unlock();
 		if (domain)
 			tomoyo_io_printf(head, "%d %u %s", pid, domain->profile,
 					 domain->domainname->name);
@@ -1726,6 +1659,8 @@ static int tomoyo_read_pid(struct tomoyo_io_buffer *head)
  * @head: Pointer to "struct tomoyo_io_buffer".
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_write_exception_policy(struct tomoyo_io_buffer *head)
 {
@@ -1760,6 +1695,8 @@ static int tomoyo_write_exception_policy(struct tomoyo_io_buffer *head)
  * @head: Pointer to "struct tomoyo_io_buffer".
  *
  * Returns 0 on success, -EINVAL otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_read_exception_policy(struct tomoyo_io_buffer *head)
 {
@@ -1889,15 +1826,13 @@ void tomoyo_load_policy(const char *filename)
 	tomoyo_policy_loaded = true;
 	{ /* Check all profiles currently assigned to domains are defined. */
 		struct tomoyo_domain_info *domain;
-		down_read(&tomoyo_domain_list_lock);
-		list_for_each_entry(domain, &tomoyo_domain_list, list) {
+		list_for_each_entry_rcu(domain, &tomoyo_domain_list, list) {
 			const u8 profile = domain->profile;
 			if (tomoyo_profile_ptr[profile])
 				continue;
 			panic("Profile %u (used by '%s') not defined.\n",
 			      profile, domain->domainname->name);
 		}
-		up_read(&tomoyo_domain_list_lock);
 	}
 }
 
@@ -1945,10 +1880,12 @@ static int tomoyo_read_self_domain(struct tomoyo_io_buffer *head)
  * @file: Pointer to "struct file".
  *
  * Associates policy handler and returns 0 on success, -ENOMEM otherwise.
+ *
+ * Caller acquires tomoyo_read_lock().
  */
 static int tomoyo_open_control(const u8 type, struct file *file)
 {
-	struct tomoyo_io_buffer *head = tomoyo_alloc(sizeof(*head));
+	struct tomoyo_io_buffer *head = kzalloc(sizeof(*head), GFP_KERNEL);
 
 	if (!head)
 		return -ENOMEM;
@@ -2009,9 +1946,9 @@ static int tomoyo_open_control(const u8 type, struct file *file)
 	} else {
 		if (!head->readbuf_size)
 			head->readbuf_size = 4096 * 2;
-		head->read_buf = tomoyo_alloc(head->readbuf_size);
+		head->read_buf = kzalloc(head->readbuf_size, GFP_KERNEL);
 		if (!head->read_buf) {
-			tomoyo_free(head);
+			kfree(head);
 			return -ENOMEM;
 		}
 	}
@@ -2023,13 +1960,14 @@ static int tomoyo_open_control(const u8 type, struct file *file)
 		head->write = NULL;
 	} else if (head->write) {
 		head->writebuf_size = 4096 * 2;
-		head->write_buf = tomoyo_alloc(head->writebuf_size);
+		head->write_buf = kzalloc(head->writebuf_size, GFP_KERNEL);
 		if (!head->write_buf) {
-			tomoyo_free(head->read_buf);
-			tomoyo_free(head);
+			kfree(head->read_buf);
+			kfree(head);
 			return -ENOMEM;
 		}
 	}
+	head->reader_idx = tomoyo_read_lock();
 	file->private_data = head;
 	/*
 	 * Call the handler now if the file is
@@ -2051,6 +1989,8 @@ static int tomoyo_open_control(const u8 type, struct file *file)
  * @buffer_len: Size of @buffer.
  *
  * Returns bytes read on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_read_control(struct file *file, char __user *buffer,
 			       const int buffer_len)
@@ -2094,6 +2034,8 @@ static int tomoyo_read_control(struct file *file, char __user *buffer,
  * @buffer_len: Size of @buffer.
  *
  * Returns @buffer_len on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_write_control(struct file *file, const char __user *buffer,
 				const int buffer_len)
@@ -2144,52 +2086,29 @@ static int tomoyo_write_control(struct file *file, const char __user *buffer,
  * @file: Pointer to "struct file".
  *
  * Releases memory and returns 0.
+ *
+ * Caller looses tomoyo_read_lock().
  */
 static int tomoyo_close_control(struct file *file)
 {
 	struct tomoyo_io_buffer *head = file->private_data;
+	const bool is_write = !!head->write_buf;
 
+	tomoyo_read_unlock(head->reader_idx);
 	/* Release memory used for policy I/O. */
-	tomoyo_free(head->read_buf);
+	kfree(head->read_buf);
 	head->read_buf = NULL;
-	tomoyo_free(head->write_buf);
+	kfree(head->write_buf);
 	head->write_buf = NULL;
-	tomoyo_free(head);
+	kfree(head);
 	head = NULL;
 	file->private_data = NULL;
+	if (is_write)
+		tomoyo_run_gc();
 	return 0;
 }
 
 /**
- * tomoyo_alloc_acl_element - Allocate permanent memory for ACL entry.
- *
- * @acl_type:  Type of ACL entry.
- *
- * Returns pointer to the ACL entry on success, NULL otherwise.
- */
-void *tomoyo_alloc_acl_element(const u8 acl_type)
-{
-	int len;
-	struct tomoyo_acl_info *ptr;
-
-	switch (acl_type) {
-	case TOMOYO_TYPE_SINGLE_PATH_ACL:
-		len = sizeof(struct tomoyo_single_path_acl_record);
-		break;
-	case TOMOYO_TYPE_DOUBLE_PATH_ACL:
-		len = sizeof(struct tomoyo_double_path_acl_record);
-		break;
-	default:
-		return NULL;
-	}
-	ptr = tomoyo_alloc_element(len);
-	if (!ptr)
-		return NULL;
-	ptr->type = acl_type;
-	return ptr;
-}
-
-/**
  * tomoyo_open - open() for /sys/kernel/security/tomoyo/ interface.
  *
  * @inode: Pointer to "struct inode".
diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index 92169d29b2db..67bd22dd3e68 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -1,12 +1,9 @@
 /*
  * security/tomoyo/common.h
  *
- * Common functions for TOMOYO.
- *
- * Copyright (C) 2005-2009  NTT DATA CORPORATION
- *
- * Version: 2.2.0   2009/04/01
+ * Header file for TOMOYO.
  *
+ * Copyright (C) 2005-2010  NTT DATA CORPORATION
  */
 
 #ifndef _SECURITY_TOMOYO_COMMON_H
@@ -22,9 +19,119 @@
 #include <linux/namei.h>
 #include <linux/mount.h>
 #include <linux/list.h>
+#include <linux/cred.h>
+struct linux_binprm;
+
+/********** Constants definitions. **********/
+
+/*
+ * TOMOYO uses this hash only when appending a string into the string
+ * table. Frequency of appending strings is very low. So we don't need
+ * large (e.g. 64k) hash size. 256 will be sufficient.
+ */
+#define TOMOYO_HASH_BITS  8
+#define TOMOYO_MAX_HASH (1u<<TOMOYO_HASH_BITS)
+
+/*
+ * This is the max length of a token.
+ *
+ * A token consists of only ASCII printable characters.
+ * Non printable characters in a token is represented in \ooo style
+ * octal string. Thus, \ itself is represented as \\.
+ */
+#define TOMOYO_MAX_PATHNAME_LEN 4000
+
+/* Profile number is an integer between 0 and 255. */
+#define TOMOYO_MAX_PROFILES 256
+
+/* Keywords for ACLs. */
+#define TOMOYO_KEYWORD_ALIAS                     "alias "
+#define TOMOYO_KEYWORD_ALLOW_READ                "allow_read "
+#define TOMOYO_KEYWORD_DELETE                    "delete "
+#define TOMOYO_KEYWORD_DENY_REWRITE              "deny_rewrite "
+#define TOMOYO_KEYWORD_FILE_PATTERN              "file_pattern "
+#define TOMOYO_KEYWORD_INITIALIZE_DOMAIN         "initialize_domain "
+#define TOMOYO_KEYWORD_KEEP_DOMAIN               "keep_domain "
+#define TOMOYO_KEYWORD_NO_INITIALIZE_DOMAIN      "no_initialize_domain "
+#define TOMOYO_KEYWORD_NO_KEEP_DOMAIN            "no_keep_domain "
+#define TOMOYO_KEYWORD_SELECT                    "select "
+#define TOMOYO_KEYWORD_USE_PROFILE               "use_profile "
+#define TOMOYO_KEYWORD_IGNORE_GLOBAL_ALLOW_READ  "ignore_global_allow_read"
+/* A domain definition starts with <kernel>. */
+#define TOMOYO_ROOT_NAME                         "<kernel>"
+#define TOMOYO_ROOT_NAME_LEN                     (sizeof(TOMOYO_ROOT_NAME) - 1)
+
+/* Index numbers for Access Controls. */
+enum tomoyo_mac_index {
+	TOMOYO_MAC_FOR_FILE,  /* domain_policy.conf */
+	TOMOYO_MAX_ACCEPT_ENTRY,
+	TOMOYO_VERBOSE,
+	TOMOYO_MAX_CONTROL_INDEX
+};
+
+/* Index numbers for Access Controls. */
+enum tomoyo_acl_entry_type_index {
+	TOMOYO_TYPE_PATH_ACL,
+	TOMOYO_TYPE_PATH2_ACL,
+};
+
+/* Index numbers for File Controls. */
+
+/*
+ * TYPE_READ_WRITE_ACL is special. TYPE_READ_WRITE_ACL is automatically set
+ * if both TYPE_READ_ACL and TYPE_WRITE_ACL are set. Both TYPE_READ_ACL and
+ * TYPE_WRITE_ACL are automatically set if TYPE_READ_WRITE_ACL is set.
+ * TYPE_READ_WRITE_ACL is automatically cleared if either TYPE_READ_ACL or
+ * TYPE_WRITE_ACL is cleared. Both TYPE_READ_ACL and TYPE_WRITE_ACL are
+ * automatically cleared if TYPE_READ_WRITE_ACL is cleared.
+ */
+
+enum tomoyo_path_acl_index {
+	TOMOYO_TYPE_READ_WRITE,
+	TOMOYO_TYPE_EXECUTE,
+	TOMOYO_TYPE_READ,
+	TOMOYO_TYPE_WRITE,
+	TOMOYO_TYPE_CREATE,
+	TOMOYO_TYPE_UNLINK,
+	TOMOYO_TYPE_MKDIR,
+	TOMOYO_TYPE_RMDIR,
+	TOMOYO_TYPE_MKFIFO,
+	TOMOYO_TYPE_MKSOCK,
+	TOMOYO_TYPE_MKBLOCK,
+	TOMOYO_TYPE_MKCHAR,
+	TOMOYO_TYPE_TRUNCATE,
+	TOMOYO_TYPE_SYMLINK,
+	TOMOYO_TYPE_REWRITE,
+	TOMOYO_TYPE_IOCTL,
+	TOMOYO_TYPE_CHMOD,
+	TOMOYO_TYPE_CHOWN,
+	TOMOYO_TYPE_CHGRP,
+	TOMOYO_TYPE_CHROOT,
+	TOMOYO_TYPE_MOUNT,
+	TOMOYO_TYPE_UMOUNT,
+	TOMOYO_MAX_PATH_OPERATION
+};
 
-struct dentry;
-struct vfsmount;
+enum tomoyo_path2_acl_index {
+	TOMOYO_TYPE_LINK,
+	TOMOYO_TYPE_RENAME,
+	TOMOYO_TYPE_PIVOT_ROOT,
+	TOMOYO_MAX_PATH2_OPERATION
+};
+
+enum tomoyo_securityfs_interface_index {
+	TOMOYO_DOMAINPOLICY,
+	TOMOYO_EXCEPTIONPOLICY,
+	TOMOYO_DOMAIN_STATUS,
+	TOMOYO_PROCESS_STATUS,
+	TOMOYO_MEMINFO,
+	TOMOYO_SELFDOMAIN,
+	TOMOYO_VERSION,
+	TOMOYO_PROFILE,
+	TOMOYO_MANAGER
+};
+
+/********** Structure definitions. **********/
 
 /*
  * tomoyo_page_buffer is a structure which is used for holding a pathname
@@ -66,13 +173,14 @@ struct tomoyo_path_info {
 };
 
 /*
- * This is the max length of a token.
- *
- * A token consists of only ASCII printable characters.
- * Non printable characters in a token is represented in \ooo style
- * octal string. Thus, \ itself is represented as \\.
+ * tomoyo_name_entry is a structure which is used for linking
+ * "struct tomoyo_path_info" into tomoyo_name_list .
  */
-#define TOMOYO_MAX_PATHNAME_LEN 4000
+struct tomoyo_name_entry {
+	struct list_head list;
+	atomic_t users;
+	struct tomoyo_path_info entry;
+};
 
 /*
  * tomoyo_path_info_with_data is a structure which is used for holding a
@@ -89,7 +197,7 @@ struct tomoyo_path_info {
  * "struct tomoyo_path_info_with_data".
  */
 struct tomoyo_path_info_with_data {
-	/* Keep "head" first, for this pointer is passed to tomoyo_free(). */
+	/* Keep "head" first, for this pointer is passed to kfree(). */
 	struct tomoyo_path_info head;
 	char barrier1[16]; /* Safeguard for overrun. */
 	char body[TOMOYO_MAX_PATHNAME_LEN];
@@ -101,30 +209,19 @@ struct tomoyo_path_info_with_data {
  *
  *  (1) "list" which is linked to the ->acl_info_list of
  *      "struct tomoyo_domain_info"
- *  (2) "type" which tells
- *      (a) type & 0x7F : type of the entry (either
- *          "struct tomoyo_single_path_acl_record" or
- *          "struct tomoyo_double_path_acl_record")
- *      (b) type & 0x80 : whether the entry is marked as "deleted".
+ *  (2) "type" which tells type of the entry (either
+ *      "struct tomoyo_path_acl" or "struct tomoyo_path2_acl").
  *
  * Packing "struct tomoyo_acl_info" allows
- * "struct tomoyo_single_path_acl_record" to embed "u16" and
- * "struct tomoyo_double_path_acl_record" to embed "u8"
+ * "struct tomoyo_path_acl" to embed "u8" + "u16" and
+ * "struct tomoyo_path2_acl" to embed "u8"
  * without enlarging their structure size.
  */
 struct tomoyo_acl_info {
 	struct list_head list;
-	/*
-	 * Type of this ACL entry.
-	 *
-	 * MSB is is_deleted flag.
-	 */
 	u8 type;
 } __packed;
 
-/* This ACL entry is deleted.           */
-#define TOMOYO_ACL_DELETED        0x80
-
 /*
  * tomoyo_domain_info is a structure which is used for holding permissions
  * (e.g. "allow_read /lib/libc-2.5.so") given to each domain.
@@ -138,7 +235,17 @@ struct tomoyo_acl_info {
  *      "deleted", false otherwise.
  *  (6) "quota_warned" is a bool which is used for suppressing warning message
  *      when learning mode learned too much entries.
- *  (7) "flags" which remembers this domain's attributes.
+ *  (7) "ignore_global_allow_read" is a bool which is true if this domain
+ *      should ignore "allow_read" directive in exception policy.
+ *  (8) "transition_failed" is a bool which is set to true when this domain was
+ *      unable to create a new domain at tomoyo_find_next_domain() because the
+ *      name of the domain to be created was too long or it could not allocate
+ *      memory. If set to true, more than one process continued execve()
+ *      without domain transition.
+ *  (9) "users" is an atomic_t that holds how many "struct cred"->security
+ *      are referring this "struct tomoyo_domain_info". If is_deleted == true
+ *      and users == 0, this struct will be kfree()d upon next garbage
+ *      collection.
  *
  * A domain's lifecycle is an analogy of files on / directory.
  * Multiple domains with the same domainname cannot be created (as with
@@ -155,25 +262,13 @@ struct tomoyo_domain_info {
 	u8 profile;        /* Profile number to use. */
 	bool is_deleted;   /* Delete flag.           */
 	bool quota_warned; /* Quota warnning flag.   */
-	/* DOMAIN_FLAGS_*. Use tomoyo_set_domain_flag() to modify. */
-	u8 flags;
+	bool ignore_global_allow_read; /* Ignore "allow_read" flag. */
+	bool transition_failed; /* Domain transition failed flag. */
+	atomic_t users; /* Number of referring credentials. */
 };
 
-/* Profile number is an integer between 0 and 255. */
-#define TOMOYO_MAX_PROFILES 256
-
-/* Ignore "allow_read" directive in exception policy. */
-#define TOMOYO_DOMAIN_FLAGS_IGNORE_GLOBAL_ALLOW_READ 1
-/*
- * This domain was unable to create a new domain at tomoyo_find_next_domain()
- * because the name of the domain to be created was too long or
- * it could not allocate memory.
- * More than one process continued execve() without domain transition.
- */
-#define TOMOYO_DOMAIN_FLAGS_TRANSITION_FAILED        2
-
 /*
- * tomoyo_single_path_acl_record is a structure which is used for holding an
+ * tomoyo_path_acl is a structure which is used for holding an
  * entry with one pathname operation (e.g. open(), mkdir()).
  * It has following fields.
  *
@@ -184,18 +279,21 @@ struct tomoyo_domain_info {
  * Directives held by this structure are "allow_read/write", "allow_execute",
  * "allow_read", "allow_write", "allow_create", "allow_unlink", "allow_mkdir",
  * "allow_rmdir", "allow_mkfifo", "allow_mksock", "allow_mkblock",
- * "allow_mkchar", "allow_truncate", "allow_symlink" and "allow_rewrite".
+ * "allow_mkchar", "allow_truncate", "allow_symlink", "allow_rewrite",
+ * "allow_chmod", "allow_chown", "allow_chgrp", "allow_chroot", "allow_mount"
+ * and "allow_unmount".
  */
-struct tomoyo_single_path_acl_record {
-	struct tomoyo_acl_info head; /* type = TOMOYO_TYPE_SINGLE_PATH_ACL */
+struct tomoyo_path_acl {
+	struct tomoyo_acl_info head; /* type = TOMOYO_TYPE_PATH_ACL */
+	u8 perm_high;
 	u16 perm;
 	/* Pointer to single pathname. */
 	const struct tomoyo_path_info *filename;
 };
 
 /*
- * tomoyo_double_path_acl_record is a structure which is used for holding an
- * entry with two pathnames operation (i.e. link() and rename()).
+ * tomoyo_path2_acl is a structure which is used for holding an
+ * entry with two pathnames operation (i.e. link(), rename() and pivot_root()).
  * It has following fields.
  *
  *  (1) "head" which is a "struct tomoyo_acl_info".
@@ -203,10 +301,11 @@ struct tomoyo_single_path_acl_record {
  *  (3) "filename1" is the source/old pathname.
  *  (4) "filename2" is the destination/new pathname.
  *
- * Directives held by this structure are "allow_rename" and "allow_link".
+ * Directives held by this structure are "allow_rename", "allow_link" and
+ * "allow_pivot_root".
  */
-struct tomoyo_double_path_acl_record {
-	struct tomoyo_acl_info head; /* type = TOMOYO_TYPE_DOUBLE_PATH_ACL */
+struct tomoyo_path2_acl {
+	struct tomoyo_acl_info head; /* type = TOMOYO_TYPE_PATH2_ACL */
 	u8 perm;
 	/* Pointer to single pathname. */
 	const struct tomoyo_path_info *filename1;
@@ -214,29 +313,6 @@ struct tomoyo_double_path_acl_record {
 	const struct tomoyo_path_info *filename2;
 };
 
-/* Keywords for ACLs. */
-#define TOMOYO_KEYWORD_ALIAS                     "alias "
-#define TOMOYO_KEYWORD_ALLOW_READ                "allow_read "
-#define TOMOYO_KEYWORD_DELETE                    "delete "
-#define TOMOYO_KEYWORD_DENY_REWRITE              "deny_rewrite "
-#define TOMOYO_KEYWORD_FILE_PATTERN              "file_pattern "
-#define TOMOYO_KEYWORD_INITIALIZE_DOMAIN         "initialize_domain "
-#define TOMOYO_KEYWORD_KEEP_DOMAIN               "keep_domain "
-#define TOMOYO_KEYWORD_NO_INITIALIZE_DOMAIN      "no_initialize_domain "
-#define TOMOYO_KEYWORD_NO_KEEP_DOMAIN            "no_keep_domain "
-#define TOMOYO_KEYWORD_SELECT                    "select "
-#define TOMOYO_KEYWORD_USE_PROFILE               "use_profile "
-#define TOMOYO_KEYWORD_IGNORE_GLOBAL_ALLOW_READ  "ignore_global_allow_read"
-/* A domain definition starts with <kernel>. */
-#define TOMOYO_ROOT_NAME                         "<kernel>"
-#define TOMOYO_ROOT_NAME_LEN                     (sizeof(TOMOYO_ROOT_NAME) - 1)
-
-/* Index numbers for Access Controls. */
-#define TOMOYO_MAC_FOR_FILE                  0  /* domain_policy.conf */
-#define TOMOYO_MAX_ACCEPT_ENTRY              1
-#define TOMOYO_VERBOSE                       2
-#define TOMOYO_MAX_CONTROL_INDEX             3
-
 /*
  * tomoyo_io_buffer is a structure which is used for reading and modifying
  * configuration via /sys/kernel/security/tomoyo/ interface.
@@ -265,6 +341,8 @@ struct tomoyo_io_buffer {
 	int (*write) (struct tomoyo_io_buffer *);
 	/* Exclusive lock for this structure.   */
 	struct mutex io_sem;
+	/* Index returned by tomoyo_read_lock(). */
+	int reader_idx;
 	/* The position currently reading from. */
 	struct list_head *read_var1;
 	/* Extra variables for reading.         */
@@ -293,18 +371,159 @@ struct tomoyo_io_buffer {
 	int writebuf_size;
 };
 
+/*
+ * tomoyo_globally_readable_file_entry is a structure which is used for holding
+ * "allow_read" entries.
+ * It has following fields.
+ *
+ *  (1) "list" which is linked to tomoyo_globally_readable_list .
+ *  (2) "filename" is a pathname which is allowed to open(O_RDONLY).
+ *  (3) "is_deleted" is a bool which is true if marked as deleted, false
+ *      otherwise.
+ */
+struct tomoyo_globally_readable_file_entry {
+	struct list_head list;
+	const struct tomoyo_path_info *filename;
+	bool is_deleted;
+};
+
+/*
+ * tomoyo_pattern_entry is a structure which is used for holding
+ * "tomoyo_pattern_list" entries.
+ * It has following fields.
+ *
+ *  (1) "list" which is linked to tomoyo_pattern_list .
+ *  (2) "pattern" is a pathname pattern which is used for converting pathnames
+ *      to pathname patterns during learning mode.
+ *  (3) "is_deleted" is a bool which is true if marked as deleted, false
+ *      otherwise.
+ */
+struct tomoyo_pattern_entry {
+	struct list_head list;
+	const struct tomoyo_path_info *pattern;
+	bool is_deleted;
+};
+
+/*
+ * tomoyo_no_rewrite_entry is a structure which is used for holding
+ * "deny_rewrite" entries.
+ * It has following fields.
+ *
+ *  (1) "list" which is linked to tomoyo_no_rewrite_list .
+ *  (2) "pattern" is a pathname which is by default not permitted to modify
+ *      already existing content.
+ *  (3) "is_deleted" is a bool which is true if marked as deleted, false
+ *      otherwise.
+ */
+struct tomoyo_no_rewrite_entry {
+	struct list_head list;
+	const struct tomoyo_path_info *pattern;
+	bool is_deleted;
+};
+
+/*
+ * tomoyo_domain_initializer_entry is a structure which is used for holding
+ * "initialize_domain" and "no_initialize_domain" entries.
+ * It has following fields.
+ *
+ *  (1) "list" which is linked to tomoyo_domain_initializer_list .
+ *  (2) "domainname" which is "a domainname" or "the last component of a
+ *      domainname". This field is NULL if "from" clause is not specified.
+ *  (3) "program" which is a program's pathname.
+ *  (4) "is_deleted" is a bool which is true if marked as deleted, false
+ *      otherwise.
+ *  (5) "is_not" is a bool which is true if "no_initialize_domain", false
+ *      otherwise.
+ *  (6) "is_last_name" is a bool which is true if "domainname" is "the last
+ *      component of a domainname", false otherwise.
+ */
+struct tomoyo_domain_initializer_entry {
+	struct list_head list;
+	const struct tomoyo_path_info *domainname;    /* This may be NULL */
+	const struct tomoyo_path_info *program;
+	bool is_deleted;
+	bool is_not;       /* True if this entry is "no_initialize_domain".  */
+	/* True if the domainname is tomoyo_get_last_name(). */
+	bool is_last_name;
+};
+
+/*
+ * tomoyo_domain_keeper_entry is a structure which is used for holding
+ * "keep_domain" and "no_keep_domain" entries.
+ * It has following fields.
+ *
+ *  (1) "list" which is linked to tomoyo_domain_keeper_list .
+ *  (2) "domainname" which is "a domainname" or "the last component of a
+ *      domainname".
+ *  (3) "program" which is a program's pathname.
+ *      This field is NULL if "from" clause is not specified.
+ *  (4) "is_deleted" is a bool which is true if marked as deleted, false
+ *      otherwise.
+ *  (5) "is_not" is a bool which is true if "no_initialize_domain", false
+ *      otherwise.
+ *  (6) "is_last_name" is a bool which is true if "domainname" is "the last
+ *      component of a domainname", false otherwise.
+ */
+struct tomoyo_domain_keeper_entry {
+	struct list_head list;
+	const struct tomoyo_path_info *domainname;
+	const struct tomoyo_path_info *program;       /* This may be NULL */
+	bool is_deleted;
+	bool is_not;       /* True if this entry is "no_keep_domain".        */
+	/* True if the domainname is tomoyo_get_last_name(). */
+	bool is_last_name;
+};
+
+/*
+ * tomoyo_alias_entry is a structure which is used for holding "alias" entries.
+ * It has following fields.
+ *
+ *  (1) "list" which is linked to tomoyo_alias_list .
+ *  (2) "original_name" which is a dereferenced pathname.
+ *  (3) "aliased_name" which is a symlink's pathname.
+ *  (4) "is_deleted" is a bool which is true if marked as deleted, false
+ *      otherwise.
+ */
+struct tomoyo_alias_entry {
+	struct list_head list;
+	const struct tomoyo_path_info *original_name;
+	const struct tomoyo_path_info *aliased_name;
+	bool is_deleted;
+};
+
+/*
+ * tomoyo_policy_manager_entry is a structure which is used for holding list of
+ * domainnames or programs which are permitted to modify configuration via
+ * /sys/kernel/security/tomoyo/ interface.
+ * It has following fields.
+ *
+ *  (1) "list" which is linked to tomoyo_policy_manager_list .
+ *  (2) "manager" is a domainname or a program's pathname.
+ *  (3) "is_domain" is a bool which is true if "manager" is a domainname, false
+ *      otherwise.
+ *  (4) "is_deleted" is a bool which is true if marked as deleted, false
+ *      otherwise.
+ */
+struct tomoyo_policy_manager_entry {
+	struct list_head list;
+	/* A path to program or a domainname. */
+	const struct tomoyo_path_info *manager;
+	bool is_domain;  /* True if manager is a domainname. */
+	bool is_deleted; /* True if this entry is deleted. */
+};
+
+/********** Function prototypes. **********/
+
 /* Check whether the domain has too many ACL entries to hold. */
 bool tomoyo_domain_quota_is_ok(struct tomoyo_domain_info * const domain);
 /* Transactional sprintf() for policy dump. */
 bool tomoyo_io_printf(struct tomoyo_io_buffer *head, const char *fmt, ...)
 	__attribute__ ((format(printf, 2, 3)));
 /* Check whether the domainname is correct. */
-bool tomoyo_is_correct_domain(const unsigned char *domainname,
-			      const char *function);
+bool tomoyo_is_correct_domain(const unsigned char *domainname);
 /* Check whether the token is correct. */
 bool tomoyo_is_correct_path(const char *filename, const s8 start_type,
-			    const s8 pattern_type, const s8 end_type,
-			    const char *function);
+			    const s8 pattern_type, const s8 end_type);
 /* Check whether the token can be a domainname. */
 bool tomoyo_is_domain_def(const unsigned char *buffer);
 /* Check whether the given filename matches the given pattern. */
@@ -328,13 +547,13 @@ bool tomoyo_read_no_rewrite_policy(struct tomoyo_io_buffer *head);
 /* Write domain policy violation warning message to console? */
 bool tomoyo_verbose_mode(const struct tomoyo_domain_info *domain);
 /* Convert double path operation to operation name. */
-const char *tomoyo_dp2keyword(const u8 operation);
+const char *tomoyo_path22keyword(const u8 operation);
 /* Get the last component of the given domainname. */
 const char *tomoyo_get_last_name(const struct tomoyo_domain_info *domain);
 /* Get warning message. */
 const char *tomoyo_get_msg(const bool is_enforce);
 /* Convert single path operation to operation name. */
-const char *tomoyo_sp2keyword(const u8 operation);
+const char *tomoyo_path2keyword(const u8 operation);
 /* Create "alias" entry in exception policy. */
 int tomoyo_write_alias_policy(char *data, const bool is_delete);
 /*
@@ -370,33 +589,107 @@ struct tomoyo_domain_info *tomoyo_find_or_assign_new_domain(const char *
 /* Check mode for specified functionality. */
 unsigned int tomoyo_check_flags(const struct tomoyo_domain_info *domain,
 				const u8 index);
-/* Allocate memory for structures. */
-void *tomoyo_alloc_acl_element(const u8 acl_type);
 /* Fill in "struct tomoyo_path_info" members. */
 void tomoyo_fill_path_info(struct tomoyo_path_info *ptr);
 /* Run policy loader when /sbin/init starts. */
 void tomoyo_load_policy(const char *filename);
-/* Change "struct tomoyo_domain_info"->flags. */
-void tomoyo_set_domain_flag(struct tomoyo_domain_info *domain,
-			    const bool is_delete, const u8 flags);
 
-/* strcmp() for "struct tomoyo_path_info" structure. */
-static inline bool tomoyo_pathcmp(const struct tomoyo_path_info *a,
-				  const struct tomoyo_path_info *b)
+/* Convert binary string to ascii string. */
+int tomoyo_encode(char *buffer, int buflen, const char *str);
+
+/* Returns realpath(3) of the given pathname but ignores chroot'ed root. */
+int tomoyo_realpath_from_path2(struct path *path, char *newname,
+			       int newname_len);
+
+/*
+ * Returns realpath(3) of the given pathname but ignores chroot'ed root.
+ * These functions use kzalloc(), so the caller must call kfree()
+ * if these functions didn't return NULL.
+ */
+char *tomoyo_realpath(const char *pathname);
+/*
+ * Same with tomoyo_realpath() except that it doesn't follow the final symlink.
+ */
+char *tomoyo_realpath_nofollow(const char *pathname);
+/* Same with tomoyo_realpath() except that the pathname is already solved. */
+char *tomoyo_realpath_from_path(struct path *path);
+
+/* Check memory quota. */
+bool tomoyo_memory_ok(void *ptr);
+
+/*
+ * Keep the given name on the RAM.
+ * The RAM is shared, so NEVER try to modify or kfree() the returned name.
+ */
+const struct tomoyo_path_info *tomoyo_get_name(const char *name);
+
+/* Check for memory usage. */
+int tomoyo_read_memory_counter(struct tomoyo_io_buffer *head);
+
+/* Set memory quota. */
+int tomoyo_write_memory_quota(struct tomoyo_io_buffer *head);
+
+/* Initialize realpath related code. */
+void __init tomoyo_realpath_init(void);
+int tomoyo_check_exec_perm(struct tomoyo_domain_info *domain,
+			   const struct tomoyo_path_info *filename);
+int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
+				 struct path *path, const int flag);
+int tomoyo_path_perm(const u8 operation, struct path *path);
+int tomoyo_path2_perm(const u8 operation, struct path *path1,
+		      struct path *path2);
+int tomoyo_check_rewrite_permission(struct file *filp);
+int tomoyo_find_next_domain(struct linux_binprm *bprm);
+
+/* Run garbage collector. */
+void tomoyo_run_gc(void);
+
+void tomoyo_memory_free(void *ptr);
+
+/********** External variable definitions. **********/
+
+/* Lock for GC. */
+extern struct srcu_struct tomoyo_ss;
+
+/* The list for "struct tomoyo_domain_info". */
+extern struct list_head tomoyo_domain_list;
+
+extern struct list_head tomoyo_domain_initializer_list;
+extern struct list_head tomoyo_domain_keeper_list;
+extern struct list_head tomoyo_alias_list;
+extern struct list_head tomoyo_globally_readable_list;
+extern struct list_head tomoyo_pattern_list;
+extern struct list_head tomoyo_no_rewrite_list;
+extern struct list_head tomoyo_policy_manager_list;
+extern struct list_head tomoyo_name_list[TOMOYO_MAX_HASH];
+extern struct mutex tomoyo_name_list_lock;
+
+/* Lock for protecting policy. */
+extern struct mutex tomoyo_policy_lock;
+
+/* Has /sbin/init started? */
+extern bool tomoyo_policy_loaded;
+
+/* The kernel's domain. */
+extern struct tomoyo_domain_info tomoyo_kernel_domain;
+
+/********** Inlined functions. **********/
+
+static inline int tomoyo_read_lock(void)
 {
-	return a->hash != b->hash || strcmp(a->name, b->name);
+	return srcu_read_lock(&tomoyo_ss);
 }
 
-/* Get type of an ACL entry. */
-static inline u8 tomoyo_acl_type1(struct tomoyo_acl_info *ptr)
+static inline void tomoyo_read_unlock(int idx)
 {
-	return ptr->type & ~TOMOYO_ACL_DELETED;
+	srcu_read_unlock(&tomoyo_ss, idx);
 }
 
-/* Get type of an ACL entry. */
-static inline u8 tomoyo_acl_type2(struct tomoyo_acl_info *ptr)
+/* strcmp() for "struct tomoyo_path_info" structure. */
+static inline bool tomoyo_pathcmp(const struct tomoyo_path_info *a,
+				  const struct tomoyo_path_info *b)
 {
-	return ptr->type;
+	return a->hash != b->hash || strcmp(a->name, b->name);
 }
 
 /**
@@ -423,18 +716,25 @@ static inline bool tomoyo_is_invalid(const unsigned char c)
 	return c && (c <= ' ' || c >= 127);
 }
 
-/* The list for "struct tomoyo_domain_info". */
-extern struct list_head tomoyo_domain_list;
-extern struct rw_semaphore tomoyo_domain_list_lock;
-
-/* Lock for domain->acl_info_list. */
-extern struct rw_semaphore tomoyo_domain_acl_info_list_lock;
+static inline void tomoyo_put_name(const struct tomoyo_path_info *name)
+{
+	if (name) {
+		struct tomoyo_name_entry *ptr =
+			container_of(name, struct tomoyo_name_entry, entry);
+		atomic_dec(&ptr->users);
+	}
+}
 
-/* Has /sbin/init started? */
-extern bool tomoyo_policy_loaded;
+static inline struct tomoyo_domain_info *tomoyo_domain(void)
+{
+	return current_cred()->security;
+}
 
-/* The kernel's domain. */
-extern struct tomoyo_domain_info tomoyo_kernel_domain;
+static inline struct tomoyo_domain_info *tomoyo_real_domain(struct task_struct
+							    *task)
+{
+	return task_cred_xxx(task, security);
+}
 
 /**
  * list_for_each_cookie - iterate over a list with cookie.
@@ -442,16 +742,16 @@ extern struct tomoyo_domain_info tomoyo_kernel_domain;
  * @cookie:     the &struct list_head to use as a cookie.
  * @head:       the head for your list.
  *
- * Same with list_for_each() except that this primitive uses @cookie
+ * Same with list_for_each_rcu() except that this primitive uses @cookie
  * so that we can continue iteration.
  * @cookie must be NULL when iteration starts, and @cookie will become
  * NULL when iteration finishes.
  */
-#define list_for_each_cookie(pos, cookie, head)                       \
-	for (({ if (!cookie)                                          \
-				     cookie = head; }),               \
-	     pos = (cookie)->next;                                    \
-	     prefetch(pos->next), pos != (head) || ((cookie) = NULL); \
-	     (cookie) = pos, pos = pos->next)
+#define list_for_each_cookie(pos, cookie, head)				\
+	for (({ if (!cookie)						\
+				     cookie = head; }),			\
+		     pos = rcu_dereference((cookie)->next);		\
+	     prefetch(pos->next), pos != (head) || ((cookie) = NULL);	\
+	     (cookie) = pos, pos = rcu_dereference(pos->next))
 
 #endif /* !defined(_SECURITY_TOMOYO_COMMON_H) */
diff --git a/security/tomoyo/domain.c b/security/tomoyo/domain.c
index fcf52accce2b..66caaa1b842a 100644
--- a/security/tomoyo/domain.c
+++ b/security/tomoyo/domain.c
@@ -10,8 +10,6 @@
  */
 
 #include "common.h"
-#include "tomoyo.h"
-#include "realpath.h"
 #include <linux/binfmts.h>
 
 /* Variables definitions.*/
@@ -58,99 +56,6 @@ struct tomoyo_domain_info tomoyo_kernel_domain;
  * exceptions.
  */
 LIST_HEAD(tomoyo_domain_list);
-DECLARE_RWSEM(tomoyo_domain_list_lock);
-
-/*
- * tomoyo_domain_initializer_entry is a structure which is used for holding
- * "initialize_domain" and "no_initialize_domain" entries.
- * It has following fields.
- *
- *  (1) "list" which is linked to tomoyo_domain_initializer_list .
- *  (2) "domainname" which is "a domainname" or "the last component of a
- *      domainname". This field is NULL if "from" clause is not specified.
- *  (3) "program" which is a program's pathname.
- *  (4) "is_deleted" is a bool which is true if marked as deleted, false
- *      otherwise.
- *  (5) "is_not" is a bool which is true if "no_initialize_domain", false
- *      otherwise.
- *  (6) "is_last_name" is a bool which is true if "domainname" is "the last
- *      component of a domainname", false otherwise.
- */
-struct tomoyo_domain_initializer_entry {
-	struct list_head list;
-	const struct tomoyo_path_info *domainname;    /* This may be NULL */
-	const struct tomoyo_path_info *program;
-	bool is_deleted;
-	bool is_not;       /* True if this entry is "no_initialize_domain".  */
-	/* True if the domainname is tomoyo_get_last_name(). */
-	bool is_last_name;
-};
-
-/*
- * tomoyo_domain_keeper_entry is a structure which is used for holding
- * "keep_domain" and "no_keep_domain" entries.
- * It has following fields.
- *
- *  (1) "list" which is linked to tomoyo_domain_keeper_list .
- *  (2) "domainname" which is "a domainname" or "the last component of a
- *      domainname".
- *  (3) "program" which is a program's pathname.
- *      This field is NULL if "from" clause is not specified.
- *  (4) "is_deleted" is a bool which is true if marked as deleted, false
- *      otherwise.
- *  (5) "is_not" is a bool which is true if "no_initialize_domain", false
- *      otherwise.
- *  (6) "is_last_name" is a bool which is true if "domainname" is "the last
- *      component of a domainname", false otherwise.
- */
-struct tomoyo_domain_keeper_entry {
-	struct list_head list;
-	const struct tomoyo_path_info *domainname;
-	const struct tomoyo_path_info *program;       /* This may be NULL */
-	bool is_deleted;
-	bool is_not;       /* True if this entry is "no_keep_domain".        */
-	/* True if the domainname is tomoyo_get_last_name(). */
-	bool is_last_name;
-};
-
-/*
- * tomoyo_alias_entry is a structure which is used for holding "alias" entries.
- * It has following fields.
- *
- *  (1) "list" which is linked to tomoyo_alias_list .
- *  (2) "original_name" which is a dereferenced pathname.
- *  (3) "aliased_name" which is a symlink's pathname.
- *  (4) "is_deleted" is a bool which is true if marked as deleted, false
- *      otherwise.
- */
-struct tomoyo_alias_entry {
-	struct list_head list;
-	const struct tomoyo_path_info *original_name;
-	const struct tomoyo_path_info *aliased_name;
-	bool is_deleted;
-};
-
-/**
- * tomoyo_set_domain_flag - Set or clear domain's attribute flags.
- *
- * @domain:    Pointer to "struct tomoyo_domain_info".
- * @is_delete: True if it is a delete request.
- * @flags:     Flags to set or clear.
- *
- * Returns nothing.
- */
-void tomoyo_set_domain_flag(struct tomoyo_domain_info *domain,
-			    const bool is_delete, const u8 flags)
-{
-	/* We need to serialize because this is bitfield operation. */
-	static DEFINE_SPINLOCK(lock);
-	spin_lock(&lock);
-	if (!is_delete)
-		domain->flags |= flags;
-	else
-		domain->flags &= ~flags;
-	spin_unlock(&lock);
-}
 
 /**
  * tomoyo_get_last_name - Get last component of a domainname.
@@ -205,8 +110,7 @@ const char *tomoyo_get_last_name(const struct tomoyo_domain_info *domain)
  * will cause "/usr/sbin/httpd" to belong to "<kernel> /usr/sbin/httpd" domain
  * unless executed from "<kernel> /etc/rc.d/init.d/httpd" domain.
  */
-static LIST_HEAD(tomoyo_domain_initializer_list);
-static DECLARE_RWSEM(tomoyo_domain_initializer_list_lock);
+LIST_HEAD(tomoyo_domain_initializer_list);
 
 /**
  * tomoyo_update_domain_initializer_entry - Update "struct tomoyo_domain_initializer_entry" list.
@@ -217,59 +121,65 @@ static DECLARE_RWSEM(tomoyo_domain_initializer_list_lock);
  * @is_delete:  True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_update_domain_initializer_entry(const char *domainname,
 						  const char *program,
 						  const bool is_not,
 						  const bool is_delete)
 {
-	struct tomoyo_domain_initializer_entry *new_entry;
+	struct tomoyo_domain_initializer_entry *entry = NULL;
 	struct tomoyo_domain_initializer_entry *ptr;
-	const struct tomoyo_path_info *saved_program;
+	const struct tomoyo_path_info *saved_program = NULL;
 	const struct tomoyo_path_info *saved_domainname = NULL;
-	int error = -ENOMEM;
+	int error = is_delete ? -ENOENT : -ENOMEM;
 	bool is_last_name = false;
 
-	if (!tomoyo_is_correct_path(program, 1, -1, -1, __func__))
+	if (!tomoyo_is_correct_path(program, 1, -1, -1))
 		return -EINVAL; /* No patterns allowed. */
 	if (domainname) {
 		if (!tomoyo_is_domain_def(domainname) &&
-		    tomoyo_is_correct_path(domainname, 1, -1, -1, __func__))
+		    tomoyo_is_correct_path(domainname, 1, -1, -1))
 			is_last_name = true;
-		else if (!tomoyo_is_correct_domain(domainname, __func__))
+		else if (!tomoyo_is_correct_domain(domainname))
 			return -EINVAL;
-		saved_domainname = tomoyo_save_name(domainname);
+		saved_domainname = tomoyo_get_name(domainname);
 		if (!saved_domainname)
-			return -ENOMEM;
+			goto out;
 	}
-	saved_program = tomoyo_save_name(program);
+	saved_program = tomoyo_get_name(program);
 	if (!saved_program)
-		return -ENOMEM;
-	down_write(&tomoyo_domain_initializer_list_lock);
-	list_for_each_entry(ptr, &tomoyo_domain_initializer_list, list) {
+		goto out;
+	if (!is_delete)
+		entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	mutex_lock(&tomoyo_policy_lock);
+	list_for_each_entry_rcu(ptr, &tomoyo_domain_initializer_list, list) {
 		if (ptr->is_not != is_not ||
 		    ptr->domainname != saved_domainname ||
 		    ptr->program != saved_program)
 			continue;
 		ptr->is_deleted = is_delete;
 		error = 0;
-		goto out;
+		break;
 	}
-	if (is_delete) {
-		error = -ENOENT;
-		goto out;
+	if (!is_delete && error && tomoyo_memory_ok(entry)) {
+		entry->domainname = saved_domainname;
+		saved_domainname = NULL;
+		entry->program = saved_program;
+		saved_program = NULL;
+		entry->is_not = is_not;
+		entry->is_last_name = is_last_name;
+		list_add_tail_rcu(&entry->list,
+				  &tomoyo_domain_initializer_list);
+		entry = NULL;
+		error = 0;
 	}
-	new_entry = tomoyo_alloc_element(sizeof(*new_entry));
-	if (!new_entry)
-		goto out;
-	new_entry->domainname = saved_domainname;
-	new_entry->program = saved_program;
-	new_entry->is_not = is_not;
-	new_entry->is_last_name = is_last_name;
-	list_add_tail(&new_entry->list, &tomoyo_domain_initializer_list);
-	error = 0;
+	mutex_unlock(&tomoyo_policy_lock);
  out:
-	up_write(&tomoyo_domain_initializer_list_lock);
+	tomoyo_put_name(saved_domainname);
+	tomoyo_put_name(saved_program);
+	kfree(entry);
 	return error;
 }
 
@@ -279,13 +189,14 @@ static int tomoyo_update_domain_initializer_entry(const char *domainname,
  * @head: Pointer to "struct tomoyo_io_buffer".
  *
  * Returns true on success, false otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 bool tomoyo_read_domain_initializer_policy(struct tomoyo_io_buffer *head)
 {
 	struct list_head *pos;
 	bool done = true;
 
-	down_read(&tomoyo_domain_initializer_list_lock);
 	list_for_each_cookie(pos, head->read_var2,
 			     &tomoyo_domain_initializer_list) {
 		const char *no;
@@ -308,7 +219,6 @@ bool tomoyo_read_domain_initializer_policy(struct tomoyo_io_buffer *head)
 		if (!done)
 			break;
 	}
-	up_read(&tomoyo_domain_initializer_list_lock);
 	return done;
 }
 
@@ -320,6 +230,8 @@ bool tomoyo_read_domain_initializer_policy(struct tomoyo_io_buffer *head)
  * @is_delete: True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 int tomoyo_write_domain_initializer_policy(char *data, const bool is_not,
 					   const bool is_delete)
@@ -345,6 +257,8 @@ int tomoyo_write_domain_initializer_policy(char *data, const bool is_not,
  *
  * Returns true if executing @program reinitializes domain transition,
  * false otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static bool tomoyo_is_domain_initializer(const struct tomoyo_path_info *
 					 domainname,
@@ -355,8 +269,7 @@ static bool tomoyo_is_domain_initializer(const struct tomoyo_path_info *
 	struct tomoyo_domain_initializer_entry *ptr;
 	bool flag = false;
 
-	down_read(&tomoyo_domain_initializer_list_lock);
-	list_for_each_entry(ptr,  &tomoyo_domain_initializer_list, list) {
+	list_for_each_entry_rcu(ptr, &tomoyo_domain_initializer_list, list) {
 		if (ptr->is_deleted)
 			continue;
 		if (ptr->domainname) {
@@ -376,7 +289,6 @@ static bool tomoyo_is_domain_initializer(const struct tomoyo_path_info *
 		}
 		flag = true;
 	}
-	up_read(&tomoyo_domain_initializer_list_lock);
 	return flag;
 }
 
@@ -418,8 +330,7 @@ static bool tomoyo_is_domain_initializer(const struct tomoyo_path_info *
  * "<kernel> /usr/sbin/sshd /bin/bash /usr/bin/passwd" domain, unless
  * explicitly specified by "initialize_domain".
  */
-static LIST_HEAD(tomoyo_domain_keeper_list);
-static DECLARE_RWSEM(tomoyo_domain_keeper_list_lock);
+LIST_HEAD(tomoyo_domain_keeper_list);
 
 /**
  * tomoyo_update_domain_keeper_entry - Update "struct tomoyo_domain_keeper_entry" list.
@@ -430,59 +341,64 @@ static DECLARE_RWSEM(tomoyo_domain_keeper_list_lock);
  * @is_delete:  True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_update_domain_keeper_entry(const char *domainname,
 					     const char *program,
 					     const bool is_not,
 					     const bool is_delete)
 {
-	struct tomoyo_domain_keeper_entry *new_entry;
+	struct tomoyo_domain_keeper_entry *entry = NULL;
 	struct tomoyo_domain_keeper_entry *ptr;
-	const struct tomoyo_path_info *saved_domainname;
+	const struct tomoyo_path_info *saved_domainname = NULL;
 	const struct tomoyo_path_info *saved_program = NULL;
-	int error = -ENOMEM;
+	int error = is_delete ? -ENOENT : -ENOMEM;
 	bool is_last_name = false;
 
 	if (!tomoyo_is_domain_def(domainname) &&
-	    tomoyo_is_correct_path(domainname, 1, -1, -1, __func__))
+	    tomoyo_is_correct_path(domainname, 1, -1, -1))
 		is_last_name = true;
-	else if (!tomoyo_is_correct_domain(domainname, __func__))
+	else if (!tomoyo_is_correct_domain(domainname))
 		return -EINVAL;
 	if (program) {
-		if (!tomoyo_is_correct_path(program, 1, -1, -1, __func__))
+		if (!tomoyo_is_correct_path(program, 1, -1, -1))
 			return -EINVAL;
-		saved_program = tomoyo_save_name(program);
+		saved_program = tomoyo_get_name(program);
 		if (!saved_program)
-			return -ENOMEM;
+			goto out;
 	}
-	saved_domainname = tomoyo_save_name(domainname);
+	saved_domainname = tomoyo_get_name(domainname);
 	if (!saved_domainname)
-		return -ENOMEM;
-	down_write(&tomoyo_domain_keeper_list_lock);
-	list_for_each_entry(ptr, &tomoyo_domain_keeper_list, list) {
+		goto out;
+	if (!is_delete)
+		entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	mutex_lock(&tomoyo_policy_lock);
+	list_for_each_entry_rcu(ptr, &tomoyo_domain_keeper_list, list) {
 		if (ptr->is_not != is_not ||
 		    ptr->domainname != saved_domainname ||
 		    ptr->program != saved_program)
 			continue;
 		ptr->is_deleted = is_delete;
 		error = 0;
-		goto out;
+		break;
 	}
-	if (is_delete) {
-		error = -ENOENT;
-		goto out;
+	if (!is_delete && error && tomoyo_memory_ok(entry)) {
+		entry->domainname = saved_domainname;
+		saved_domainname = NULL;
+		entry->program = saved_program;
+		saved_program = NULL;
+		entry->is_not = is_not;
+		entry->is_last_name = is_last_name;
+		list_add_tail_rcu(&entry->list, &tomoyo_domain_keeper_list);
+		entry = NULL;
+		error = 0;
 	}
-	new_entry = tomoyo_alloc_element(sizeof(*new_entry));
-	if (!new_entry)
-		goto out;
-	new_entry->domainname = saved_domainname;
-	new_entry->program = saved_program;
-	new_entry->is_not = is_not;
-	new_entry->is_last_name = is_last_name;
-	list_add_tail(&new_entry->list, &tomoyo_domain_keeper_list);
-	error = 0;
+	mutex_unlock(&tomoyo_policy_lock);
  out:
-	up_write(&tomoyo_domain_keeper_list_lock);
+	tomoyo_put_name(saved_domainname);
+	tomoyo_put_name(saved_program);
+	kfree(entry);
 	return error;
 }
 
@@ -493,6 +409,7 @@ static int tomoyo_update_domain_keeper_entry(const char *domainname,
  * @is_not:    True if it is "no_keep_domain" entry.
  * @is_delete: True if it is a delete request.
  *
+ * Caller holds tomoyo_read_lock().
  */
 int tomoyo_write_domain_keeper_policy(char *data, const bool is_not,
 				      const bool is_delete)
@@ -513,13 +430,14 @@ int tomoyo_write_domain_keeper_policy(char *data, const bool is_not,
  * @head: Pointer to "struct tomoyo_io_buffer".
  *
  * Returns true on success, false otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 bool tomoyo_read_domain_keeper_policy(struct tomoyo_io_buffer *head)
 {
 	struct list_head *pos;
 	bool done = true;
 
-	down_read(&tomoyo_domain_keeper_list_lock);
 	list_for_each_cookie(pos, head->read_var2,
 			     &tomoyo_domain_keeper_list) {
 		struct tomoyo_domain_keeper_entry *ptr;
@@ -542,7 +460,6 @@ bool tomoyo_read_domain_keeper_policy(struct tomoyo_io_buffer *head)
 		if (!done)
 			break;
 	}
-	up_read(&tomoyo_domain_keeper_list_lock);
 	return done;
 }
 
@@ -555,6 +472,8 @@ bool tomoyo_read_domain_keeper_policy(struct tomoyo_io_buffer *head)
  *
  * Returns true if executing @program supresses domain transition,
  * false otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static bool tomoyo_is_domain_keeper(const struct tomoyo_path_info *domainname,
 				    const struct tomoyo_path_info *program,
@@ -563,8 +482,7 @@ static bool tomoyo_is_domain_keeper(const struct tomoyo_path_info *domainname,
 	struct tomoyo_domain_keeper_entry *ptr;
 	bool flag = false;
 
-	down_read(&tomoyo_domain_keeper_list_lock);
-	list_for_each_entry(ptr, &tomoyo_domain_keeper_list, list) {
+	list_for_each_entry_rcu(ptr, &tomoyo_domain_keeper_list, list) {
 		if (ptr->is_deleted)
 			continue;
 		if (!ptr->is_last_name) {
@@ -582,7 +500,6 @@ static bool tomoyo_is_domain_keeper(const struct tomoyo_path_info *domainname,
 		}
 		flag = true;
 	}
-	up_read(&tomoyo_domain_keeper_list_lock);
 	return flag;
 }
 
@@ -616,8 +533,7 @@ static bool tomoyo_is_domain_keeper(const struct tomoyo_path_info *domainname,
  * /bin/busybox and domainname which the current process will belong to after
  * execve() succeeds is calculated using /bin/cat rather than /bin/busybox .
  */
-static LIST_HEAD(tomoyo_alias_list);
-static DECLARE_RWSEM(tomoyo_alias_list_lock);
+LIST_HEAD(tomoyo_alias_list);
 
 /**
  * tomoyo_update_alias_entry - Update "struct tomoyo_alias_entry" list.
@@ -627,46 +543,51 @@ static DECLARE_RWSEM(tomoyo_alias_list_lock);
  * @is_delete:     True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_update_alias_entry(const char *original_name,
 				     const char *aliased_name,
 				     const bool is_delete)
 {
-	struct tomoyo_alias_entry *new_entry;
+	struct tomoyo_alias_entry *entry = NULL;
 	struct tomoyo_alias_entry *ptr;
 	const struct tomoyo_path_info *saved_original_name;
 	const struct tomoyo_path_info *saved_aliased_name;
-	int error = -ENOMEM;
+	int error = is_delete ? -ENOENT : -ENOMEM;
 
-	if (!tomoyo_is_correct_path(original_name, 1, -1, -1, __func__) ||
-	    !tomoyo_is_correct_path(aliased_name, 1, -1, -1, __func__))
+	if (!tomoyo_is_correct_path(original_name, 1, -1, -1) ||
+	    !tomoyo_is_correct_path(aliased_name, 1, -1, -1))
 		return -EINVAL; /* No patterns allowed. */
-	saved_original_name = tomoyo_save_name(original_name);
-	saved_aliased_name = tomoyo_save_name(aliased_name);
+	saved_original_name = tomoyo_get_name(original_name);
+	saved_aliased_name = tomoyo_get_name(aliased_name);
 	if (!saved_original_name || !saved_aliased_name)
-		return -ENOMEM;
-	down_write(&tomoyo_alias_list_lock);
-	list_for_each_entry(ptr, &tomoyo_alias_list, list) {
+		goto out;
+	if (!is_delete)
+		entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	mutex_lock(&tomoyo_policy_lock);
+	list_for_each_entry_rcu(ptr, &tomoyo_alias_list, list) {
 		if (ptr->original_name != saved_original_name ||
 		    ptr->aliased_name != saved_aliased_name)
 			continue;
 		ptr->is_deleted = is_delete;
 		error = 0;
-		goto out;
+		break;
 	}
-	if (is_delete) {
-		error = -ENOENT;
-		goto out;
+	if (!is_delete && error && tomoyo_memory_ok(entry)) {
+		entry->original_name = saved_original_name;
+		saved_original_name = NULL;
+		entry->aliased_name = saved_aliased_name;
+		saved_aliased_name = NULL;
+		list_add_tail_rcu(&entry->list, &tomoyo_alias_list);
+		entry = NULL;
+		error = 0;
 	}
-	new_entry = tomoyo_alloc_element(sizeof(*new_entry));
-	if (!new_entry)
-		goto out;
-	new_entry->original_name = saved_original_name;
-	new_entry->aliased_name = saved_aliased_name;
-	list_add_tail(&new_entry->list, &tomoyo_alias_list);
-	error = 0;
+	mutex_unlock(&tomoyo_policy_lock);
  out:
-	up_write(&tomoyo_alias_list_lock);
+	tomoyo_put_name(saved_original_name);
+	tomoyo_put_name(saved_aliased_name);
+	kfree(entry);
 	return error;
 }
 
@@ -676,13 +597,14 @@ static int tomoyo_update_alias_entry(const char *original_name,
  * @head: Pointer to "struct tomoyo_io_buffer".
  *
  * Returns true on success, false otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 bool tomoyo_read_alias_policy(struct tomoyo_io_buffer *head)
 {
 	struct list_head *pos;
 	bool done = true;
 
-	down_read(&tomoyo_alias_list_lock);
 	list_for_each_cookie(pos, head->read_var2, &tomoyo_alias_list) {
 		struct tomoyo_alias_entry *ptr;
 
@@ -695,7 +617,6 @@ bool tomoyo_read_alias_policy(struct tomoyo_io_buffer *head)
 		if (!done)
 			break;
 	}
-	up_read(&tomoyo_alias_list_lock);
 	return done;
 }
 
@@ -706,6 +627,8 @@ bool tomoyo_read_alias_policy(struct tomoyo_io_buffer *head)
  * @is_delete: True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 int tomoyo_write_alias_policy(char *data, const bool is_delete)
 {
@@ -724,63 +647,46 @@ int tomoyo_write_alias_policy(char *data, const bool is_delete)
  * @profile:    Profile number to assign if the domain was newly created.
  *
  * Returns pointer to "struct tomoyo_domain_info" on success, NULL otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 struct tomoyo_domain_info *tomoyo_find_or_assign_new_domain(const char *
 							    domainname,
 							    const u8 profile)
 {
-	struct tomoyo_domain_info *domain = NULL;
+	struct tomoyo_domain_info *entry;
+	struct tomoyo_domain_info *domain;
 	const struct tomoyo_path_info *saved_domainname;
+	bool found = false;
 
-	down_write(&tomoyo_domain_list_lock);
-	domain = tomoyo_find_domain(domainname);
-	if (domain)
-		goto out;
-	if (!tomoyo_is_correct_domain(domainname, __func__))
-		goto out;
-	saved_domainname = tomoyo_save_name(domainname);
+	if (!tomoyo_is_correct_domain(domainname))
+		return NULL;
+	saved_domainname = tomoyo_get_name(domainname);
 	if (!saved_domainname)
-		goto out;
-	/* Can I reuse memory of deleted domain? */
-	list_for_each_entry(domain, &tomoyo_domain_list, list) {
-		struct task_struct *p;
-		struct tomoyo_acl_info *ptr;
-		bool flag;
-		if (!domain->is_deleted ||
-		    domain->domainname != saved_domainname)
+		return NULL;
+	entry = kzalloc(sizeof(*entry), GFP_KERNEL);
+	mutex_lock(&tomoyo_policy_lock);
+	list_for_each_entry_rcu(domain, &tomoyo_domain_list, list) {
+		if (domain->is_deleted ||
+		    tomoyo_pathcmp(saved_domainname, domain->domainname))
 			continue;
-		flag = false;
-		read_lock(&tasklist_lock);
-		for_each_process(p) {
-			if (tomoyo_real_domain(p) != domain)
-				continue;
-			flag = true;
-			break;
-		}
-		read_unlock(&tasklist_lock);
-		if (flag)
-			continue;
-		list_for_each_entry(ptr, &domain->acl_info_list, list) {
-			ptr->type |= TOMOYO_ACL_DELETED;
-		}
-		tomoyo_set_domain_flag(domain, true, domain->flags);
-		domain->profile = profile;
-		domain->quota_warned = false;
-		mb(); /* Avoid out-of-order execution. */
-		domain->is_deleted = false;
-		goto out;
+		found = true;
+		break;
 	}
-	/* No memory reusable. Create using new memory. */
-	domain = tomoyo_alloc_element(sizeof(*domain));
-	if (domain) {
-		INIT_LIST_HEAD(&domain->acl_info_list);
-		domain->domainname = saved_domainname;
-		domain->profile = profile;
-		list_add_tail(&domain->list, &tomoyo_domain_list);
+	if (!found && tomoyo_memory_ok(entry)) {
+		INIT_LIST_HEAD(&entry->acl_info_list);
+		entry->domainname = saved_domainname;
+		saved_domainname = NULL;
+		entry->profile = profile;
+		list_add_tail_rcu(&entry->list, &tomoyo_domain_list);
+		domain = entry;
+		entry = NULL;
+		found = true;
 	}
- out:
-	up_write(&tomoyo_domain_list_lock);
-	return domain;
+	mutex_unlock(&tomoyo_policy_lock);
+	tomoyo_put_name(saved_domainname);
+	kfree(entry);
+	return found ? domain : NULL;
 }
 
 /**
@@ -789,6 +695,8 @@ struct tomoyo_domain_info *tomoyo_find_or_assign_new_domain(const char *
  * @bprm: Pointer to "struct linux_binprm".
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 int tomoyo_find_next_domain(struct linux_binprm *bprm)
 {
@@ -796,7 +704,7 @@ int tomoyo_find_next_domain(struct linux_binprm *bprm)
 	 * This function assumes that the size of buffer returned by
 	 * tomoyo_realpath() = TOMOYO_MAX_PATHNAME_LEN.
 	 */
-	struct tomoyo_page_buffer *tmp = tomoyo_alloc(sizeof(*tmp));
+	struct tomoyo_page_buffer *tmp = kzalloc(sizeof(*tmp), GFP_KERNEL);
 	struct tomoyo_domain_info *old_domain = tomoyo_domain();
 	struct tomoyo_domain_info *domain = NULL;
 	const char *old_domain_name = old_domain->domainname->name;
@@ -849,8 +757,7 @@ int tomoyo_find_next_domain(struct linux_binprm *bprm)
 	if (tomoyo_pathcmp(&r, &s)) {
 		struct tomoyo_alias_entry *ptr;
 		/* Is this program allowed to be called via symbolic links? */
-		down_read(&tomoyo_alias_list_lock);
-		list_for_each_entry(ptr, &tomoyo_alias_list, list) {
+		list_for_each_entry_rcu(ptr, &tomoyo_alias_list, list) {
 			if (ptr->is_deleted ||
 			    tomoyo_pathcmp(&r, ptr->original_name) ||
 			    tomoyo_pathcmp(&s, ptr->aliased_name))
@@ -861,7 +768,6 @@ int tomoyo_find_next_domain(struct linux_binprm *bprm)
 			tomoyo_fill_path_info(&r);
 			break;
 		}
-		up_read(&tomoyo_alias_list_lock);
 	}
 
 	/* Check execute permission. */
@@ -892,9 +798,7 @@ int tomoyo_find_next_domain(struct linux_binprm *bprm)
 	}
 	if (domain || strlen(new_domain_name) >= TOMOYO_MAX_PATHNAME_LEN)
 		goto done;
-	down_read(&tomoyo_domain_list_lock);
 	domain = tomoyo_find_domain(new_domain_name);
-	up_read(&tomoyo_domain_list_lock);
 	if (domain)
 		goto done;
 	if (is_enforce)
@@ -909,14 +813,15 @@ int tomoyo_find_next_domain(struct linux_binprm *bprm)
 	if (is_enforce)
 		retval = -EPERM;
 	else
-		tomoyo_set_domain_flag(old_domain, false,
-				       TOMOYO_DOMAIN_FLAGS_TRANSITION_FAILED);
+		old_domain->transition_failed = true;
  out:
 	if (!domain)
 		domain = old_domain;
+	/* Update reference count on "struct tomoyo_domain_info". */
+	atomic_inc(&domain->users);
 	bprm->cred->security = domain;
-	tomoyo_free(real_program_name);
-	tomoyo_free(symlink_program_name);
-	tomoyo_free(tmp);
+	kfree(real_program_name);
+	kfree(symlink_program_name);
+	kfree(tmp);
 	return retval;
 }
diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c
index 9a6c58881c0a..1b24304edb7d 100644
--- a/security/tomoyo/file.c
+++ b/security/tomoyo/file.c
@@ -10,108 +10,64 @@
  */
 
 #include "common.h"
-#include "tomoyo.h"
-#include "realpath.h"
-
-/*
- * tomoyo_globally_readable_file_entry is a structure which is used for holding
- * "allow_read" entries.
- * It has following fields.
- *
- *  (1) "list" which is linked to tomoyo_globally_readable_list .
- *  (2) "filename" is a pathname which is allowed to open(O_RDONLY).
- *  (3) "is_deleted" is a bool which is true if marked as deleted, false
- *      otherwise.
- */
-struct tomoyo_globally_readable_file_entry {
-	struct list_head list;
-	const struct tomoyo_path_info *filename;
-	bool is_deleted;
-};
-
-/*
- * tomoyo_pattern_entry is a structure which is used for holding
- * "tomoyo_pattern_list" entries.
- * It has following fields.
- *
- *  (1) "list" which is linked to tomoyo_pattern_list .
- *  (2) "pattern" is a pathname pattern which is used for converting pathnames
- *      to pathname patterns during learning mode.
- *  (3) "is_deleted" is a bool which is true if marked as deleted, false
- *      otherwise.
- */
-struct tomoyo_pattern_entry {
-	struct list_head list;
-	const struct tomoyo_path_info *pattern;
-	bool is_deleted;
-};
-
-/*
- * tomoyo_no_rewrite_entry is a structure which is used for holding
- * "deny_rewrite" entries.
- * It has following fields.
- *
- *  (1) "list" which is linked to tomoyo_no_rewrite_list .
- *  (2) "pattern" is a pathname which is by default not permitted to modify
- *      already existing content.
- *  (3) "is_deleted" is a bool which is true if marked as deleted, false
- *      otherwise.
- */
-struct tomoyo_no_rewrite_entry {
-	struct list_head list;
-	const struct tomoyo_path_info *pattern;
-	bool is_deleted;
-};
 
 /* Keyword array for single path operations. */
-static const char *tomoyo_sp_keyword[TOMOYO_MAX_SINGLE_PATH_OPERATION] = {
-	[TOMOYO_TYPE_READ_WRITE_ACL] = "read/write",
-	[TOMOYO_TYPE_EXECUTE_ACL]    = "execute",
-	[TOMOYO_TYPE_READ_ACL]       = "read",
-	[TOMOYO_TYPE_WRITE_ACL]      = "write",
-	[TOMOYO_TYPE_CREATE_ACL]     = "create",
-	[TOMOYO_TYPE_UNLINK_ACL]     = "unlink",
-	[TOMOYO_TYPE_MKDIR_ACL]      = "mkdir",
-	[TOMOYO_TYPE_RMDIR_ACL]      = "rmdir",
-	[TOMOYO_TYPE_MKFIFO_ACL]     = "mkfifo",
-	[TOMOYO_TYPE_MKSOCK_ACL]     = "mksock",
-	[TOMOYO_TYPE_MKBLOCK_ACL]    = "mkblock",
-	[TOMOYO_TYPE_MKCHAR_ACL]     = "mkchar",
-	[TOMOYO_TYPE_TRUNCATE_ACL]   = "truncate",
-	[TOMOYO_TYPE_SYMLINK_ACL]    = "symlink",
-	[TOMOYO_TYPE_REWRITE_ACL]    = "rewrite",
+static const char *tomoyo_path_keyword[TOMOYO_MAX_PATH_OPERATION] = {
+	[TOMOYO_TYPE_READ_WRITE] = "read/write",
+	[TOMOYO_TYPE_EXECUTE]    = "execute",
+	[TOMOYO_TYPE_READ]       = "read",
+	[TOMOYO_TYPE_WRITE]      = "write",
+	[TOMOYO_TYPE_CREATE]     = "create",
+	[TOMOYO_TYPE_UNLINK]     = "unlink",
+	[TOMOYO_TYPE_MKDIR]      = "mkdir",
+	[TOMOYO_TYPE_RMDIR]      = "rmdir",
+	[TOMOYO_TYPE_MKFIFO]     = "mkfifo",
+	[TOMOYO_TYPE_MKSOCK]     = "mksock",
+	[TOMOYO_TYPE_MKBLOCK]    = "mkblock",
+	[TOMOYO_TYPE_MKCHAR]     = "mkchar",
+	[TOMOYO_TYPE_TRUNCATE]   = "truncate",
+	[TOMOYO_TYPE_SYMLINK]    = "symlink",
+	[TOMOYO_TYPE_REWRITE]    = "rewrite",
+	[TOMOYO_TYPE_IOCTL]      = "ioctl",
+	[TOMOYO_TYPE_CHMOD]      = "chmod",
+	[TOMOYO_TYPE_CHOWN]      = "chown",
+	[TOMOYO_TYPE_CHGRP]      = "chgrp",
+	[TOMOYO_TYPE_CHROOT]     = "chroot",
+	[TOMOYO_TYPE_MOUNT]      = "mount",
+	[TOMOYO_TYPE_UMOUNT]     = "unmount",
 };
 
 /* Keyword array for double path operations. */
-static const char *tomoyo_dp_keyword[TOMOYO_MAX_DOUBLE_PATH_OPERATION] = {
-	[TOMOYO_TYPE_LINK_ACL]    = "link",
-	[TOMOYO_TYPE_RENAME_ACL]  = "rename",
+static const char *tomoyo_path2_keyword[TOMOYO_MAX_PATH2_OPERATION] = {
+	[TOMOYO_TYPE_LINK]    = "link",
+	[TOMOYO_TYPE_RENAME]  = "rename",
+	[TOMOYO_TYPE_PIVOT_ROOT] = "pivot_root",
 };
 
 /**
- * tomoyo_sp2keyword - Get the name of single path operation.
+ * tomoyo_path2keyword - Get the name of single path operation.
  *
  * @operation: Type of operation.
  *
  * Returns the name of single path operation.
  */
-const char *tomoyo_sp2keyword(const u8 operation)
+const char *tomoyo_path2keyword(const u8 operation)
 {
-	return (operation < TOMOYO_MAX_SINGLE_PATH_OPERATION)
-		? tomoyo_sp_keyword[operation] : NULL;
+	return (operation < TOMOYO_MAX_PATH_OPERATION)
+		? tomoyo_path_keyword[operation] : NULL;
 }
 
 /**
- * tomoyo_dp2keyword - Get the name of double path operation.
+ * tomoyo_path22keyword - Get the name of double path operation.
  *
  * @operation: Type of operation.
  *
  * Returns the name of double path operation.
  */
-const char *tomoyo_dp2keyword(const u8 operation)
+const char *tomoyo_path22keyword(const u8 operation)
 {
-	return (operation < TOMOYO_MAX_DOUBLE_PATH_OPERATION)
-		? tomoyo_dp_keyword[operation] : NULL;
+	return (operation < TOMOYO_MAX_PATH2_OPERATION)
+		? tomoyo_path2_keyword[operation] : NULL;
 }
 
 /**
@@ -142,7 +98,8 @@ static bool tomoyo_strendswith(const char *name, const char *tail)
 static struct tomoyo_path_info *tomoyo_get_path(struct path *path)
 {
 	int error;
-	struct tomoyo_path_info_with_data *buf = tomoyo_alloc(sizeof(*buf));
+	struct tomoyo_path_info_with_data *buf = kzalloc(sizeof(*buf),
+							 GFP_KERNEL);
 
 	if (!buf)
 		return NULL;
@@ -154,20 +111,17 @@ static struct tomoyo_path_info *tomoyo_get_path(struct path *path)
 		tomoyo_fill_path_info(&buf->head);
 		return &buf->head;
 	}
-	tomoyo_free(buf);
+	kfree(buf);
 	return NULL;
 }
 
-/* Lock for domain->acl_info_list. */
-DECLARE_RWSEM(tomoyo_domain_acl_info_list_lock);
-
-static int tomoyo_update_double_path_acl(const u8 type, const char *filename1,
-					 const char *filename2,
-					 struct tomoyo_domain_info *
-					 const domain, const bool is_delete);
-static int tomoyo_update_single_path_acl(const u8 type, const char *filename,
-					 struct tomoyo_domain_info *
-					 const domain, const bool is_delete);
+static int tomoyo_update_path2_acl(const u8 type, const char *filename1,
+				   const char *filename2,
+				   struct tomoyo_domain_info *const domain,
+				   const bool is_delete);
+static int tomoyo_update_path_acl(const u8 type, const char *filename,
+				  struct tomoyo_domain_info *const domain,
+				  const bool is_delete);
 
 /*
  * tomoyo_globally_readable_list is used for holding list of pathnames which
@@ -194,8 +148,7 @@ static int tomoyo_update_single_path_acl(const u8 type, const char *filename,
  * given "allow_read /lib/libc-2.5.so" to the domain which current process
  * belongs to.
  */
-static LIST_HEAD(tomoyo_globally_readable_list);
-static DECLARE_RWSEM(tomoyo_globally_readable_list_lock);
+LIST_HEAD(tomoyo_globally_readable_list);
 
 /**
  * tomoyo_update_globally_readable_entry - Update "struct tomoyo_globally_readable_file_entry" list.
@@ -204,40 +157,42 @@ static DECLARE_RWSEM(tomoyo_globally_readable_list_lock);
  * @is_delete: True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_update_globally_readable_entry(const char *filename,
 						 const bool is_delete)
 {
-	struct tomoyo_globally_readable_file_entry *new_entry;
+	struct tomoyo_globally_readable_file_entry *entry = NULL;
 	struct tomoyo_globally_readable_file_entry *ptr;
 	const struct tomoyo_path_info *saved_filename;
-	int error = -ENOMEM;
+	int error = is_delete ? -ENOENT : -ENOMEM;
 
-	if (!tomoyo_is_correct_path(filename, 1, 0, -1, __func__))
+	if (!tomoyo_is_correct_path(filename, 1, 0, -1))
 		return -EINVAL;
-	saved_filename = tomoyo_save_name(filename);
+	saved_filename = tomoyo_get_name(filename);
 	if (!saved_filename)
 		return -ENOMEM;
-	down_write(&tomoyo_globally_readable_list_lock);
-	list_for_each_entry(ptr, &tomoyo_globally_readable_list, list) {
+	if (!is_delete)
+		entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	mutex_lock(&tomoyo_policy_lock);
+	list_for_each_entry_rcu(ptr, &tomoyo_globally_readable_list, list) {
 		if (ptr->filename != saved_filename)
 			continue;
 		ptr->is_deleted = is_delete;
 		error = 0;
-		goto out;
+		break;
 	}
-	if (is_delete) {
-		error = -ENOENT;
-		goto out;
+	if (!is_delete && error && tomoyo_memory_ok(entry)) {
+		entry->filename = saved_filename;
+		saved_filename = NULL;
+		list_add_tail_rcu(&entry->list, &tomoyo_globally_readable_list);
+		entry = NULL;
+		error = 0;
 	}
-	new_entry = tomoyo_alloc_element(sizeof(*new_entry));
-	if (!new_entry)
-		goto out;
-	new_entry->filename = saved_filename;
-	list_add_tail(&new_entry->list, &tomoyo_globally_readable_list);
-	error = 0;
- out:
-	up_write(&tomoyo_globally_readable_list_lock);
+	mutex_unlock(&tomoyo_policy_lock);
+	tomoyo_put_name(saved_filename);
+	kfree(entry);
 	return error;
 }
 
@@ -247,21 +202,22 @@ static int tomoyo_update_globally_readable_entry(const char *filename,
  * @filename: The filename to check.
  *
  * Returns true if any domain can open @filename for reading, false otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static bool tomoyo_is_globally_readable_file(const struct tomoyo_path_info *
 					     filename)
 {
 	struct tomoyo_globally_readable_file_entry *ptr;
 	bool found = false;
-	down_read(&tomoyo_globally_readable_list_lock);
-	list_for_each_entry(ptr, &tomoyo_globally_readable_list, list) {
+
+	list_for_each_entry_rcu(ptr, &tomoyo_globally_readable_list, list) {
 		if (!ptr->is_deleted &&
 		    tomoyo_path_matches_pattern(filename, ptr->filename)) {
 			found = true;
 			break;
 		}
 	}
-	up_read(&tomoyo_globally_readable_list_lock);
 	return found;
 }
 
@@ -272,6 +228,8 @@ static bool tomoyo_is_globally_readable_file(const struct tomoyo_path_info *
  * @is_delete: True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 int tomoyo_write_globally_readable_policy(char *data, const bool is_delete)
 {
@@ -284,13 +242,14 @@ int tomoyo_write_globally_readable_policy(char *data, const bool is_delete)
  * @head: Pointer to "struct tomoyo_io_buffer".
  *
  * Returns true on success, false otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 bool tomoyo_read_globally_readable_policy(struct tomoyo_io_buffer *head)
 {
 	struct list_head *pos;
 	bool done = true;
 
-	down_read(&tomoyo_globally_readable_list_lock);
 	list_for_each_cookie(pos, head->read_var2,
 			     &tomoyo_globally_readable_list) {
 		struct tomoyo_globally_readable_file_entry *ptr;
@@ -304,7 +263,6 @@ bool tomoyo_read_globally_readable_policy(struct tomoyo_io_buffer *head)
 		if (!done)
 			break;
 	}
-	up_read(&tomoyo_globally_readable_list_lock);
 	return done;
 }
 
@@ -337,8 +295,7 @@ bool tomoyo_read_globally_readable_policy(struct tomoyo_io_buffer *head)
  * which pretends as if /proc/self/ is not a symlink; so that we can forbid
  * current process from accessing other process's information.
  */
-static LIST_HEAD(tomoyo_pattern_list);
-static DECLARE_RWSEM(tomoyo_pattern_list_lock);
+LIST_HEAD(tomoyo_pattern_list);
 
 /**
  * tomoyo_update_file_pattern_entry - Update "struct tomoyo_pattern_entry" list.
@@ -347,40 +304,43 @@ static DECLARE_RWSEM(tomoyo_pattern_list_lock);
  * @is_delete: True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_update_file_pattern_entry(const char *pattern,
 					    const bool is_delete)
 {
-	struct tomoyo_pattern_entry *new_entry;
+	struct tomoyo_pattern_entry *entry = NULL;
 	struct tomoyo_pattern_entry *ptr;
 	const struct tomoyo_path_info *saved_pattern;
-	int error = -ENOMEM;
+	int error = is_delete ? -ENOENT : -ENOMEM;
 
-	if (!tomoyo_is_correct_path(pattern, 0, 1, 0, __func__))
-		return -EINVAL;
-	saved_pattern = tomoyo_save_name(pattern);
+	saved_pattern = tomoyo_get_name(pattern);
 	if (!saved_pattern)
-		return -ENOMEM;
-	down_write(&tomoyo_pattern_list_lock);
-	list_for_each_entry(ptr, &tomoyo_pattern_list, list) {
+		return error;
+	if (!saved_pattern->is_patterned)
+		goto out;
+	if (!is_delete)
+		entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	mutex_lock(&tomoyo_policy_lock);
+	list_for_each_entry_rcu(ptr, &tomoyo_pattern_list, list) {
 		if (saved_pattern != ptr->pattern)
 			continue;
 		ptr->is_deleted = is_delete;
 		error = 0;
-		goto out;
+		break;
 	}
-	if (is_delete) {
-		error = -ENOENT;
-		goto out;
+	if (!is_delete && error && tomoyo_memory_ok(entry)) {
+		entry->pattern = saved_pattern;
+		saved_pattern = NULL;
+		list_add_tail_rcu(&entry->list, &tomoyo_pattern_list);
+		entry = NULL;
+		error = 0;
 	}
-	new_entry = tomoyo_alloc_element(sizeof(*new_entry));
-	if (!new_entry)
-		goto out;
-	new_entry->pattern = saved_pattern;
-	list_add_tail(&new_entry->list, &tomoyo_pattern_list);
-	error = 0;
+	mutex_unlock(&tomoyo_policy_lock);
  out:
-	up_write(&tomoyo_pattern_list_lock);
+	kfree(entry);
+	tomoyo_put_name(saved_pattern);
 	return error;
 }
 
@@ -390,6 +350,8 @@ static int tomoyo_update_file_pattern_entry(const char *pattern,
  * @filename: The filename to find patterned pathname.
  *
  * Returns pointer to pathname pattern if matched, @filename otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static const struct tomoyo_path_info *
 tomoyo_get_file_pattern(const struct tomoyo_path_info *filename)
@@ -397,8 +359,7 @@ tomoyo_get_file_pattern(const struct tomoyo_path_info *filename)
 	struct tomoyo_pattern_entry *ptr;
 	const struct tomoyo_path_info *pattern = NULL;
 
-	down_read(&tomoyo_pattern_list_lock);
-	list_for_each_entry(ptr, &tomoyo_pattern_list, list) {
+	list_for_each_entry_rcu(ptr, &tomoyo_pattern_list, list) {
 		if (ptr->is_deleted)
 			continue;
 		if (!tomoyo_path_matches_pattern(filename, ptr->pattern))
@@ -411,7 +372,6 @@ tomoyo_get_file_pattern(const struct tomoyo_path_info *filename)
 			break;
 		}
 	}
-	up_read(&tomoyo_pattern_list_lock);
 	if (pattern)
 		filename = pattern;
 	return filename;
@@ -424,6 +384,8 @@ tomoyo_get_file_pattern(const struct tomoyo_path_info *filename)
  * @is_delete: True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 int tomoyo_write_pattern_policy(char *data, const bool is_delete)
 {
@@ -436,13 +398,14 @@ int tomoyo_write_pattern_policy(char *data, const bool is_delete)
  * @head: Pointer to "struct tomoyo_io_buffer".
  *
  * Returns true on success, false otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 bool tomoyo_read_file_pattern(struct tomoyo_io_buffer *head)
 {
 	struct list_head *pos;
 	bool done = true;
 
-	down_read(&tomoyo_pattern_list_lock);
 	list_for_each_cookie(pos, head->read_var2, &tomoyo_pattern_list) {
 		struct tomoyo_pattern_entry *ptr;
 		ptr = list_entry(pos, struct tomoyo_pattern_entry, list);
@@ -453,7 +416,6 @@ bool tomoyo_read_file_pattern(struct tomoyo_io_buffer *head)
 		if (!done)
 			break;
 	}
-	up_read(&tomoyo_pattern_list_lock);
 	return done;
 }
 
@@ -486,8 +448,7 @@ bool tomoyo_read_file_pattern(struct tomoyo_io_buffer *head)
  * " (deleted)" suffix if the file is already unlink()ed; so that we don't
  * need to worry whether the file is already unlink()ed or not.
  */
-static LIST_HEAD(tomoyo_no_rewrite_list);
-static DECLARE_RWSEM(tomoyo_no_rewrite_list_lock);
+LIST_HEAD(tomoyo_no_rewrite_list);
 
 /**
  * tomoyo_update_no_rewrite_entry - Update "struct tomoyo_no_rewrite_entry" list.
@@ -496,39 +457,42 @@ static DECLARE_RWSEM(tomoyo_no_rewrite_list_lock);
  * @is_delete: True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_update_no_rewrite_entry(const char *pattern,
 					  const bool is_delete)
 {
-	struct tomoyo_no_rewrite_entry *new_entry, *ptr;
+	struct tomoyo_no_rewrite_entry *entry = NULL;
+	struct tomoyo_no_rewrite_entry *ptr;
 	const struct tomoyo_path_info *saved_pattern;
-	int error = -ENOMEM;
+	int error = is_delete ? -ENOENT : -ENOMEM;
 
-	if (!tomoyo_is_correct_path(pattern, 0, 0, 0, __func__))
+	if (!tomoyo_is_correct_path(pattern, 0, 0, 0))
 		return -EINVAL;
-	saved_pattern = tomoyo_save_name(pattern);
+	saved_pattern = tomoyo_get_name(pattern);
 	if (!saved_pattern)
-		return -ENOMEM;
-	down_write(&tomoyo_no_rewrite_list_lock);
-	list_for_each_entry(ptr, &tomoyo_no_rewrite_list, list) {
+		return error;
+	if (!is_delete)
+		entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	mutex_lock(&tomoyo_policy_lock);
+	list_for_each_entry_rcu(ptr, &tomoyo_no_rewrite_list, list) {
 		if (ptr->pattern != saved_pattern)
 			continue;
 		ptr->is_deleted = is_delete;
 		error = 0;
-		goto out;
+		break;
 	}
-	if (is_delete) {
-		error = -ENOENT;
-		goto out;
+	if (!is_delete && error && tomoyo_memory_ok(entry)) {
+		entry->pattern = saved_pattern;
+		saved_pattern = NULL;
+		list_add_tail_rcu(&entry->list, &tomoyo_no_rewrite_list);
+		entry = NULL;
+		error = 0;
 	}
-	new_entry = tomoyo_alloc_element(sizeof(*new_entry));
-	if (!new_entry)
-		goto out;
-	new_entry->pattern = saved_pattern;
-	list_add_tail(&new_entry->list, &tomoyo_no_rewrite_list);
-	error = 0;
- out:
-	up_write(&tomoyo_no_rewrite_list_lock);
+	mutex_unlock(&tomoyo_policy_lock);
+	tomoyo_put_name(saved_pattern);
+	kfree(entry);
 	return error;
 }
 
@@ -539,14 +503,15 @@ static int tomoyo_update_no_rewrite_entry(const char *pattern,
  *
  * Returns true if @filename is specified by "deny_rewrite" directive,
  * false otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static bool tomoyo_is_no_rewrite_file(const struct tomoyo_path_info *filename)
 {
 	struct tomoyo_no_rewrite_entry *ptr;
 	bool found = false;
 
-	down_read(&tomoyo_no_rewrite_list_lock);
-	list_for_each_entry(ptr, &tomoyo_no_rewrite_list, list) {
+	list_for_each_entry_rcu(ptr, &tomoyo_no_rewrite_list, list) {
 		if (ptr->is_deleted)
 			continue;
 		if (!tomoyo_path_matches_pattern(filename, ptr->pattern))
@@ -554,7 +519,6 @@ static bool tomoyo_is_no_rewrite_file(const struct tomoyo_path_info *filename)
 		found = true;
 		break;
 	}
-	up_read(&tomoyo_no_rewrite_list_lock);
 	return found;
 }
 
@@ -565,6 +529,8 @@ static bool tomoyo_is_no_rewrite_file(const struct tomoyo_path_info *filename)
  * @is_delete: True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 int tomoyo_write_no_rewrite_policy(char *data, const bool is_delete)
 {
@@ -577,13 +543,14 @@ int tomoyo_write_no_rewrite_policy(char *data, const bool is_delete)
  * @head: Pointer to "struct tomoyo_io_buffer".
  *
  * Returns true on success, false otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 bool tomoyo_read_no_rewrite_policy(struct tomoyo_io_buffer *head)
 {
 	struct list_head *pos;
 	bool done = true;
 
-	down_read(&tomoyo_no_rewrite_list_lock);
 	list_for_each_cookie(pos, head->read_var2, &tomoyo_no_rewrite_list) {
 		struct tomoyo_no_rewrite_entry *ptr;
 		ptr = list_entry(pos, struct tomoyo_no_rewrite_entry, list);
@@ -594,7 +561,6 @@ bool tomoyo_read_no_rewrite_policy(struct tomoyo_io_buffer *head)
 		if (!done)
 			break;
 	}
-	up_read(&tomoyo_no_rewrite_list_lock);
 	return done;
 }
 
@@ -612,6 +578,8 @@ bool tomoyo_read_no_rewrite_policy(struct tomoyo_io_buffer *head)
  * Current policy syntax uses "allow_read/write" instead of "6",
  * "allow_read" instead of "4", "allow_write" instead of "2",
  * "allow_execute" instead of "1".
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_update_file_acl(const char *filename, u8 perm,
 				  struct tomoyo_domain_info * const domain,
@@ -629,19 +597,19 @@ static int tomoyo_update_file_acl(const char *filename, u8 perm,
 		 */
 		return 0;
 	if (perm & 4)
-		tomoyo_update_single_path_acl(TOMOYO_TYPE_READ_ACL, filename,
-					      domain, is_delete);
+		tomoyo_update_path_acl(TOMOYO_TYPE_READ, filename, domain,
+				       is_delete);
 	if (perm & 2)
-		tomoyo_update_single_path_acl(TOMOYO_TYPE_WRITE_ACL, filename,
-					      domain, is_delete);
+		tomoyo_update_path_acl(TOMOYO_TYPE_WRITE, filename, domain,
+				       is_delete);
 	if (perm & 1)
-		tomoyo_update_single_path_acl(TOMOYO_TYPE_EXECUTE_ACL,
-					      filename, domain, is_delete);
+		tomoyo_update_path_acl(TOMOYO_TYPE_EXECUTE, filename, domain,
+				       is_delete);
 	return 0;
 }
 
 /**
- * tomoyo_check_single_path_acl2 - Check permission for single path operation.
+ * tomoyo_path_acl2 - Check permission for single path operation.
  *
  * @domain:          Pointer to "struct tomoyo_domain_info".
  * @filename:        Filename to check.
@@ -649,26 +617,28 @@ static int tomoyo_update_file_acl(const char *filename, u8 perm,
  * @may_use_pattern: True if patterned ACL is permitted.
  *
  * Returns 0 on success, -EPERM otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
-static int tomoyo_check_single_path_acl2(const struct tomoyo_domain_info *
-					 domain,
-					 const struct tomoyo_path_info *
-					 filename,
-					 const u16 perm,
-					 const bool may_use_pattern)
+static int tomoyo_path_acl2(const struct tomoyo_domain_info *domain,
+			    const struct tomoyo_path_info *filename,
+			    const u32 perm, const bool may_use_pattern)
 {
 	struct tomoyo_acl_info *ptr;
 	int error = -EPERM;
 
-	down_read(&tomoyo_domain_acl_info_list_lock);
-	list_for_each_entry(ptr, &domain->acl_info_list, list) {
-		struct tomoyo_single_path_acl_record *acl;
-		if (tomoyo_acl_type2(ptr) != TOMOYO_TYPE_SINGLE_PATH_ACL)
-			continue;
-		acl = container_of(ptr, struct tomoyo_single_path_acl_record,
-				   head);
-		if (!(acl->perm & perm))
+	list_for_each_entry_rcu(ptr, &domain->acl_info_list, list) {
+		struct tomoyo_path_acl *acl;
+		if (ptr->type != TOMOYO_TYPE_PATH_ACL)
 			continue;
+		acl = container_of(ptr, struct tomoyo_path_acl, head);
+		if (perm <= 0xFFFF) {
+			if (!(acl->perm & perm))
+				continue;
+		} else {
+			if (!(acl->perm_high & (perm >> 16)))
+				continue;
+		}
 		if (may_use_pattern || !acl->filename->is_patterned) {
 			if (!tomoyo_path_matches_pattern(filename,
 							 acl->filename))
@@ -679,7 +649,6 @@ static int tomoyo_check_single_path_acl2(const struct tomoyo_domain_info *
 		error = 0;
 		break;
 	}
-	up_read(&tomoyo_domain_acl_info_list_lock);
 	return error;
 }
 
@@ -691,27 +660,28 @@ static int tomoyo_check_single_path_acl2(const struct tomoyo_domain_info *
  * @operation: Mode ("read" or "write" or "read/write" or "execute").
  *
  * Returns 0 on success, -EPERM otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_check_file_acl(const struct tomoyo_domain_info *domain,
 				 const struct tomoyo_path_info *filename,
 				 const u8 operation)
 {
-	u16 perm = 0;
+	u32 perm = 0;
 
 	if (!tomoyo_check_flags(domain, TOMOYO_MAC_FOR_FILE))
 		return 0;
 	if (operation == 6)
-		perm = 1 << TOMOYO_TYPE_READ_WRITE_ACL;
+		perm = 1 << TOMOYO_TYPE_READ_WRITE;
 	else if (operation == 4)
-		perm = 1 << TOMOYO_TYPE_READ_ACL;
+		perm = 1 << TOMOYO_TYPE_READ;
 	else if (operation == 2)
-		perm = 1 << TOMOYO_TYPE_WRITE_ACL;
+		perm = 1 << TOMOYO_TYPE_WRITE;
 	else if (operation == 1)
-		perm = 1 << TOMOYO_TYPE_EXECUTE_ACL;
+		perm = 1 << TOMOYO_TYPE_EXECUTE;
 	else
 		BUG();
-	return tomoyo_check_single_path_acl2(domain, filename, perm,
-					     operation != 1);
+	return tomoyo_path_acl2(domain, filename, perm, operation != 1);
 }
 
 /**
@@ -724,6 +694,8 @@ static int tomoyo_check_file_acl(const struct tomoyo_domain_info *domain,
  * @mode:      Access control mode.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 static int tomoyo_check_file_perm2(struct tomoyo_domain_info * const domain,
 				   const struct tomoyo_path_info *filename,
@@ -737,18 +709,17 @@ static int tomoyo_check_file_perm2(struct tomoyo_domain_info * const domain,
 	if (!filename)
 		return 0;
 	error = tomoyo_check_file_acl(domain, filename, perm);
-	if (error && perm == 4 &&
-	    (domain->flags & TOMOYO_DOMAIN_FLAGS_IGNORE_GLOBAL_ALLOW_READ) == 0
+	if (error && perm == 4 && !domain->ignore_global_allow_read
 	    && tomoyo_is_globally_readable_file(filename))
 		error = 0;
 	if (perm == 6)
-		msg = tomoyo_sp2keyword(TOMOYO_TYPE_READ_WRITE_ACL);
+		msg = tomoyo_path2keyword(TOMOYO_TYPE_READ_WRITE);
 	else if (perm == 4)
-		msg = tomoyo_sp2keyword(TOMOYO_TYPE_READ_ACL);
+		msg = tomoyo_path2keyword(TOMOYO_TYPE_READ);
 	else if (perm == 2)
-		msg = tomoyo_sp2keyword(TOMOYO_TYPE_WRITE_ACL);
+		msg = tomoyo_path2keyword(TOMOYO_TYPE_WRITE);
 	else if (perm == 1)
-		msg = tomoyo_sp2keyword(TOMOYO_TYPE_EXECUTE_ACL);
+		msg = tomoyo_path2keyword(TOMOYO_TYPE_EXECUTE);
 	else
 		BUG();
 	if (!error)
@@ -777,6 +748,8 @@ static int tomoyo_check_file_perm2(struct tomoyo_domain_info * const domain,
  * @is_delete: True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 int tomoyo_write_file_policy(char *data, struct tomoyo_domain_info *domain,
 			     const bool is_delete)
@@ -795,28 +768,28 @@ int tomoyo_write_file_policy(char *data, struct tomoyo_domain_info *domain,
 	if (strncmp(data, "allow_", 6))
 		goto out;
 	data += 6;
-	for (type = 0; type < TOMOYO_MAX_SINGLE_PATH_OPERATION; type++) {
-		if (strcmp(data, tomoyo_sp_keyword[type]))
+	for (type = 0; type < TOMOYO_MAX_PATH_OPERATION; type++) {
+		if (strcmp(data, tomoyo_path_keyword[type]))
 			continue;
-		return tomoyo_update_single_path_acl(type, filename,
-						     domain, is_delete);
+		return tomoyo_update_path_acl(type, filename, domain,
+					      is_delete);
 	}
 	filename2 = strchr(filename, ' ');
 	if (!filename2)
 		goto out;
 	*filename2++ = '\0';
-	for (type = 0; type < TOMOYO_MAX_DOUBLE_PATH_OPERATION; type++) {
-		if (strcmp(data, tomoyo_dp_keyword[type]))
+	for (type = 0; type < TOMOYO_MAX_PATH2_OPERATION; type++) {
+		if (strcmp(data, tomoyo_path2_keyword[type]))
 			continue;
-		return tomoyo_update_double_path_acl(type, filename, filename2,
-						     domain, is_delete);
+		return tomoyo_update_path2_acl(type, filename, filename2,
+					       domain, is_delete);
 	}
  out:
 	return -EINVAL;
 }
 
 /**
- * tomoyo_update_single_path_acl - Update "struct tomoyo_single_path_acl_record" list.
+ * tomoyo_update_path_acl - Update "struct tomoyo_path_acl" list.
  *
  * @type:      Type of operation.
  * @filename:  Filename.
@@ -824,85 +797,82 @@ int tomoyo_write_file_policy(char *data, struct tomoyo_domain_info *domain,
  * @is_delete: True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
-static int tomoyo_update_single_path_acl(const u8 type, const char *filename,
-					 struct tomoyo_domain_info *
-					 const domain, const bool is_delete)
+static int tomoyo_update_path_acl(const u8 type, const char *filename,
+				  struct tomoyo_domain_info *const domain,
+				  const bool is_delete)
 {
-	static const u16 rw_mask =
-		(1 << TOMOYO_TYPE_READ_ACL) | (1 << TOMOYO_TYPE_WRITE_ACL);
+	static const u32 rw_mask =
+		(1 << TOMOYO_TYPE_READ) | (1 << TOMOYO_TYPE_WRITE);
 	const struct tomoyo_path_info *saved_filename;
 	struct tomoyo_acl_info *ptr;
-	struct tomoyo_single_path_acl_record *acl;
-	int error = -ENOMEM;
-	const u16 perm = 1 << type;
+	struct tomoyo_path_acl *entry = NULL;
+	int error = is_delete ? -ENOENT : -ENOMEM;
+	const u32 perm = 1 << type;
 
 	if (!domain)
 		return -EINVAL;
-	if (!tomoyo_is_correct_path(filename, 0, 0, 0, __func__))
+	if (!tomoyo_is_correct_path(filename, 0, 0, 0))
 		return -EINVAL;
-	saved_filename = tomoyo_save_name(filename);
+	saved_filename = tomoyo_get_name(filename);
 	if (!saved_filename)
 		return -ENOMEM;
-	down_write(&tomoyo_domain_acl_info_list_lock);
-	if (is_delete)
-		goto delete;
-	list_for_each_entry(ptr, &domain->acl_info_list, list) {
-		if (tomoyo_acl_type1(ptr) != TOMOYO_TYPE_SINGLE_PATH_ACL)
+	if (!is_delete)
+		entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	mutex_lock(&tomoyo_policy_lock);
+	list_for_each_entry_rcu(ptr, &domain->acl_info_list, list) {
+		struct tomoyo_path_acl *acl =
+			container_of(ptr, struct tomoyo_path_acl, head);
+		if (ptr->type != TOMOYO_TYPE_PATH_ACL)
 			continue;
-		acl = container_of(ptr, struct tomoyo_single_path_acl_record,
-				   head);
 		if (acl->filename != saved_filename)
 			continue;
-		/* Special case. Clear all bits if marked as deleted. */
-		if (ptr->type & TOMOYO_ACL_DELETED)
-			acl->perm = 0;
-		acl->perm |= perm;
-		if ((acl->perm & rw_mask) == rw_mask)
-			acl->perm |= 1 << TOMOYO_TYPE_READ_WRITE_ACL;
-		else if (acl->perm & (1 << TOMOYO_TYPE_READ_WRITE_ACL))
-			acl->perm |= rw_mask;
-		ptr->type &= ~TOMOYO_ACL_DELETED;
+		if (is_delete) {
+			if (perm <= 0xFFFF)
+				acl->perm &= ~perm;
+			else
+				acl->perm_high &= ~(perm >> 16);
+			if ((acl->perm & rw_mask) != rw_mask)
+				acl->perm &= ~(1 << TOMOYO_TYPE_READ_WRITE);
+			else if (!(acl->perm & (1 << TOMOYO_TYPE_READ_WRITE)))
+				acl->perm &= ~rw_mask;
+		} else {
+			if (perm <= 0xFFFF)
+				acl->perm |= perm;
+			else
+				acl->perm_high |= (perm >> 16);
+			if ((acl->perm & rw_mask) == rw_mask)
+				acl->perm |= 1 << TOMOYO_TYPE_READ_WRITE;
+			else if (acl->perm & (1 << TOMOYO_TYPE_READ_WRITE))
+				acl->perm |= rw_mask;
+		}
 		error = 0;
-		goto out;
+		break;
 	}
-	/* Not found. Append it to the tail. */
-	acl = tomoyo_alloc_acl_element(TOMOYO_TYPE_SINGLE_PATH_ACL);
-	if (!acl)
-		goto out;
-	acl->perm = perm;
-	if (perm == (1 << TOMOYO_TYPE_READ_WRITE_ACL))
-		acl->perm |= rw_mask;
-	acl->filename = saved_filename;
-	list_add_tail(&acl->head.list, &domain->acl_info_list);
-	error = 0;
-	goto out;
- delete:
-	error = -ENOENT;
-	list_for_each_entry(ptr, &domain->acl_info_list, list) {
-		if (tomoyo_acl_type2(ptr) != TOMOYO_TYPE_SINGLE_PATH_ACL)
-			continue;
-		acl = container_of(ptr, struct tomoyo_single_path_acl_record,
-				   head);
-		if (acl->filename != saved_filename)
-			continue;
-		acl->perm &= ~perm;
-		if ((acl->perm & rw_mask) != rw_mask)
-			acl->perm &= ~(1 << TOMOYO_TYPE_READ_WRITE_ACL);
-		else if (!(acl->perm & (1 << TOMOYO_TYPE_READ_WRITE_ACL)))
-			acl->perm &= ~rw_mask;
-		if (!acl->perm)
-			ptr->type |= TOMOYO_ACL_DELETED;
+	if (!is_delete && error && tomoyo_memory_ok(entry)) {
+		entry->head.type = TOMOYO_TYPE_PATH_ACL;
+		if (perm <= 0xFFFF)
+			entry->perm = perm;
+		else
+			entry->perm_high = (perm >> 16);
+		if (perm == (1 << TOMOYO_TYPE_READ_WRITE))
+			entry->perm |= rw_mask;
+		entry->filename = saved_filename;
+		saved_filename = NULL;
+		list_add_tail_rcu(&entry->head.list, &domain->acl_info_list);
+		entry = NULL;
 		error = 0;
-		break;
 	}
- out:
-	up_write(&tomoyo_domain_acl_info_list_lock);
+	mutex_unlock(&tomoyo_policy_lock);
+	kfree(entry);
+	tomoyo_put_name(saved_filename);
 	return error;
 }
 
 /**
- * tomoyo_update_double_path_acl - Update "struct tomoyo_double_path_acl_record" list.
+ * tomoyo_update_path2_acl - Update "struct tomoyo_path2_acl" list.
  *
  * @type:      Type of operation.
  * @filename1: First filename.
@@ -911,98 +881,88 @@ static int tomoyo_update_single_path_acl(const u8 type, const char *filename,
  * @is_delete: True if it is a delete request.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
-static int tomoyo_update_double_path_acl(const u8 type, const char *filename1,
-					 const char *filename2,
-					 struct tomoyo_domain_info *
-					 const domain, const bool is_delete)
+static int tomoyo_update_path2_acl(const u8 type, const char *filename1,
+				   const char *filename2,
+				   struct tomoyo_domain_info *const domain,
+				   const bool is_delete)
 {
 	const struct tomoyo_path_info *saved_filename1;
 	const struct tomoyo_path_info *saved_filename2;
 	struct tomoyo_acl_info *ptr;
-	struct tomoyo_double_path_acl_record *acl;
-	int error = -ENOMEM;
+	struct tomoyo_path2_acl *entry = NULL;
+	int error = is_delete ? -ENOENT : -ENOMEM;
 	const u8 perm = 1 << type;
 
 	if (!domain)
 		return -EINVAL;
-	if (!tomoyo_is_correct_path(filename1, 0, 0, 0, __func__) ||
-	    !tomoyo_is_correct_path(filename2, 0, 0, 0, __func__))
+	if (!tomoyo_is_correct_path(filename1, 0, 0, 0) ||
+	    !tomoyo_is_correct_path(filename2, 0, 0, 0))
 		return -EINVAL;
-	saved_filename1 = tomoyo_save_name(filename1);
-	saved_filename2 = tomoyo_save_name(filename2);
+	saved_filename1 = tomoyo_get_name(filename1);
+	saved_filename2 = tomoyo_get_name(filename2);
 	if (!saved_filename1 || !saved_filename2)
-		return -ENOMEM;
-	down_write(&tomoyo_domain_acl_info_list_lock);
-	if (is_delete)
-		goto delete;
-	list_for_each_entry(ptr, &domain->acl_info_list, list) {
-		if (tomoyo_acl_type1(ptr) != TOMOYO_TYPE_DOUBLE_PATH_ACL)
-			continue;
-		acl = container_of(ptr, struct tomoyo_double_path_acl_record,
-				   head);
-		if (acl->filename1 != saved_filename1 ||
-		    acl->filename2 != saved_filename2)
-			continue;
-		/* Special case. Clear all bits if marked as deleted. */
-		if (ptr->type & TOMOYO_ACL_DELETED)
-			acl->perm = 0;
-		acl->perm |= perm;
-		ptr->type &= ~TOMOYO_ACL_DELETED;
-		error = 0;
 		goto out;
-	}
-	/* Not found. Append it to the tail. */
-	acl = tomoyo_alloc_acl_element(TOMOYO_TYPE_DOUBLE_PATH_ACL);
-	if (!acl)
-		goto out;
-	acl->perm = perm;
-	acl->filename1 = saved_filename1;
-	acl->filename2 = saved_filename2;
-	list_add_tail(&acl->head.list, &domain->acl_info_list);
-	error = 0;
-	goto out;
- delete:
-	error = -ENOENT;
-	list_for_each_entry(ptr, &domain->acl_info_list, list) {
-		if (tomoyo_acl_type2(ptr) != TOMOYO_TYPE_DOUBLE_PATH_ACL)
+	if (!is_delete)
+		entry = kmalloc(sizeof(*entry), GFP_KERNEL);
+	mutex_lock(&tomoyo_policy_lock);
+	list_for_each_entry_rcu(ptr, &domain->acl_info_list, list) {
+		struct tomoyo_path2_acl *acl =
+			container_of(ptr, struct tomoyo_path2_acl, head);
+		if (ptr->type != TOMOYO_TYPE_PATH2_ACL)
 			continue;
-		acl = container_of(ptr, struct tomoyo_double_path_acl_record,
-				   head);
 		if (acl->filename1 != saved_filename1 ||
 		    acl->filename2 != saved_filename2)
 			continue;
-		acl->perm &= ~perm;
-		if (!acl->perm)
-			ptr->type |= TOMOYO_ACL_DELETED;
+		if (is_delete)
+			acl->perm &= ~perm;
+		else
+			acl->perm |= perm;
 		error = 0;
 		break;
 	}
+	if (!is_delete && error && tomoyo_memory_ok(entry)) {
+		entry->head.type = TOMOYO_TYPE_PATH2_ACL;
+		entry->perm = perm;
+		entry->filename1 = saved_filename1;
+		saved_filename1 = NULL;
+		entry->filename2 = saved_filename2;
+		saved_filename2 = NULL;
+		list_add_tail_rcu(&entry->head.list, &domain->acl_info_list);
+		entry = NULL;
+		error = 0;
+	}
+	mutex_unlock(&tomoyo_policy_lock);
  out:
-	up_write(&tomoyo_domain_acl_info_list_lock);
+	tomoyo_put_name(saved_filename1);
+	tomoyo_put_name(saved_filename2);
+	kfree(entry);
 	return error;
 }
 
 /**
- * tomoyo_check_single_path_acl - Check permission for single path operation.
+ * tomoyo_path_acl - Check permission for single path operation.
  *
  * @domain:   Pointer to "struct tomoyo_domain_info".
  * @type:     Type of operation.
  * @filename: Filename to check.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
-static int tomoyo_check_single_path_acl(struct tomoyo_domain_info *domain,
-					const u8 type,
-					const struct tomoyo_path_info *filename)
+static int tomoyo_path_acl(struct tomoyo_domain_info *domain, const u8 type,
+			   const struct tomoyo_path_info *filename)
 {
 	if (!tomoyo_check_flags(domain, TOMOYO_MAC_FOR_FILE))
 		return 0;
-	return tomoyo_check_single_path_acl2(domain, filename, 1 << type, 1);
+	return tomoyo_path_acl2(domain, filename, 1 << type, 1);
 }
 
 /**
- * tomoyo_check_double_path_acl - Check permission for double path operation.
+ * tomoyo_path2_acl - Check permission for double path operation.
  *
  * @domain:    Pointer to "struct tomoyo_domain_info".
  * @type:      Type of operation.
@@ -1010,13 +970,13 @@ static int tomoyo_check_single_path_acl(struct tomoyo_domain_info *domain,
  * @filename2: Second filename to check.
  *
  * Returns 0 on success, -EPERM otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
-static int tomoyo_check_double_path_acl(const struct tomoyo_domain_info *domain,
-					const u8 type,
-					const struct tomoyo_path_info *
-					filename1,
-					const struct tomoyo_path_info *
-					filename2)
+static int tomoyo_path2_acl(const struct tomoyo_domain_info *domain,
+			    const u8 type,
+			    const struct tomoyo_path_info *filename1,
+			    const struct tomoyo_path_info *filename2)
 {
 	struct tomoyo_acl_info *ptr;
 	const u8 perm = 1 << type;
@@ -1024,13 +984,11 @@ static int tomoyo_check_double_path_acl(const struct tomoyo_domain_info *domain,
 
 	if (!tomoyo_check_flags(domain, TOMOYO_MAC_FOR_FILE))
 		return 0;
-	down_read(&tomoyo_domain_acl_info_list_lock);
-	list_for_each_entry(ptr, &domain->acl_info_list, list) {
-		struct tomoyo_double_path_acl_record *acl;
-		if (tomoyo_acl_type2(ptr) != TOMOYO_TYPE_DOUBLE_PATH_ACL)
+	list_for_each_entry_rcu(ptr, &domain->acl_info_list, list) {
+		struct tomoyo_path2_acl *acl;
+		if (ptr->type != TOMOYO_TYPE_PATH2_ACL)
 			continue;
-		acl = container_of(ptr, struct tomoyo_double_path_acl_record,
-				   head);
+		acl = container_of(ptr, struct tomoyo_path2_acl, head);
 		if (!(acl->perm & perm))
 			continue;
 		if (!tomoyo_path_matches_pattern(filename1, acl->filename1))
@@ -1040,12 +998,11 @@ static int tomoyo_check_double_path_acl(const struct tomoyo_domain_info *domain,
 		error = 0;
 		break;
 	}
-	up_read(&tomoyo_domain_acl_info_list_lock);
 	return error;
 }
 
 /**
- * tomoyo_check_single_path_permission2 - Check permission for single path operation.
+ * tomoyo_path_permission2 - Check permission for single path operation.
  *
  * @domain:    Pointer to "struct tomoyo_domain_info".
  * @operation: Type of operation.
@@ -1053,11 +1010,13 @@ static int tomoyo_check_double_path_acl(const struct tomoyo_domain_info *domain,
  * @mode:      Access control mode.
  *
  * Returns 0 on success, negative value otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
-static int tomoyo_check_single_path_permission2(struct tomoyo_domain_info *
-						const domain, u8 operation,
-						const struct tomoyo_path_info *
-						filename, const u8 mode)
+static int tomoyo_path_permission2(struct tomoyo_domain_info *const domain,
+				   u8 operation,
+				   const struct tomoyo_path_info *filename,
+				   const u8 mode)
 {
 	const char *msg;
 	int error;
@@ -1066,8 +1025,8 @@ static int tomoyo_check_single_path_permission2(struct tomoyo_domain_info *
 	if (!mode)
 		return 0;
  next:
-	error = tomoyo_check_single_path_acl(domain, operation, filename);
-	msg = tomoyo_sp2keyword(operation);
+	error = tomoyo_path_acl(domain, operation, filename);
+	msg = tomoyo_path2keyword(operation);
 	if (!error)
 		goto ok;
 	if (tomoyo_verbose_mode(domain))
@@ -1076,7 +1035,7 @@ static int tomoyo_check_single_path_permission2(struct tomoyo_domain_info *
 		       tomoyo_get_last_name(domain));
 	if (mode == 1 && tomoyo_domain_quota_is_ok(domain)) {
 		const char *name = tomoyo_get_file_pattern(filename)->name;
-		tomoyo_update_single_path_acl(operation, name, domain, false);
+		tomoyo_update_path_acl(operation, name, domain, false);
 	}
 	if (!is_enforce)
 		error = 0;
@@ -1086,9 +1045,9 @@ static int tomoyo_check_single_path_permission2(struct tomoyo_domain_info *
 	 * we need to check "allow_rewrite" permission if the filename is
 	 * specified by "deny_rewrite" keyword.
 	 */
-	if (!error && operation == TOMOYO_TYPE_TRUNCATE_ACL &&
+	if (!error && operation == TOMOYO_TYPE_TRUNCATE &&
 	    tomoyo_is_no_rewrite_file(filename)) {
-		operation = TOMOYO_TYPE_REWRITE_ACL;
+		operation = TOMOYO_TYPE_REWRITE;
 		goto next;
 	}
 	return error;
@@ -1101,6 +1060,8 @@ static int tomoyo_check_single_path_permission2(struct tomoyo_domain_info *
  * @filename: Check permission for "execute".
  *
  * Returns 0 on success, negativevalue otherwise.
+ *
+ * Caller holds tomoyo_read_lock().
  */
 int tomoyo_check_exec_perm(struct tomoyo_domain_info *domain,
 			   const struct tomoyo_path_info *filename)
@@ -1129,6 +1090,7 @@ int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
 	struct tomoyo_path_info *buf;
 	const u8 mode = tomoyo_check_flags(domain, TOMOYO_MAC_FOR_FILE);
 	const bool is_enforce = (mode == 3);
+	int idx;
 
 	if (!mode || !path->mnt)
 		return 0;
@@ -1140,6 +1102,7 @@ int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
 		 * don't call me.
 		 */
 		return 0;
+	idx = tomoyo_read_lock();
 	buf = tomoyo_get_path(path);
 	if (!buf)
 		goto out;
@@ -1152,49 +1115,50 @@ int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
 	if ((acc_mode & MAY_WRITE) &&
 	    ((flag & O_TRUNC) || !(flag & O_APPEND)) &&
 	    (tomoyo_is_no_rewrite_file(buf))) {
-		error = tomoyo_check_single_path_permission2(domain,
-						     TOMOYO_TYPE_REWRITE_ACL,
-							     buf, mode);
+		error = tomoyo_path_permission2(domain, TOMOYO_TYPE_REWRITE,
+						buf, mode);
 	}
 	if (!error)
 		error = tomoyo_check_file_perm2(domain, buf, acc_mode, "open",
 						mode);
 	if (!error && (flag & O_TRUNC))
-		error = tomoyo_check_single_path_permission2(domain,
-						     TOMOYO_TYPE_TRUNCATE_ACL,
-							     buf, mode);
+		error = tomoyo_path_permission2(domain, TOMOYO_TYPE_TRUNCATE,
+						buf, mode);
  out:
-	tomoyo_free(buf);
+	kfree(buf);
+	tomoyo_read_unlock(idx);
 	if (!is_enforce)
 		error = 0;
 	return error;
 }
 
 /**
- * tomoyo_check_1path_perm - Check permission for "create", "unlink", "mkdir", "rmdir", "mkfifo", "mksock", "mkblock", "mkchar", "truncate" and "symlink".
+ * tomoyo_path_perm - Check permission for "create", "unlink", "mkdir", "rmdir", "mkfifo", "mksock", "mkblock", "mkchar", "truncate", "symlink", "ioctl", "chmod", "chown", "chgrp", "chroot", "mount" and "unmount".
  *
- * @domain:    Pointer to "struct tomoyo_domain_info".
  * @operation: Type of operation.
  * @path:      Pointer to "struct path".
  *
  * Returns 0 on success, negative value otherwise.
  */
-int tomoyo_check_1path_perm(struct tomoyo_domain_info *domain,
-			    const u8 operation, struct path *path)
+int tomoyo_path_perm(const u8 operation, struct path *path)
 {
 	int error = -ENOMEM;
 	struct tomoyo_path_info *buf;
+	struct tomoyo_domain_info *domain = tomoyo_domain();
 	const u8 mode = tomoyo_check_flags(domain, TOMOYO_MAC_FOR_FILE);
 	const bool is_enforce = (mode == 3);
+	int idx;
 
 	if (!mode || !path->mnt)
 		return 0;
+	idx = tomoyo_read_lock();
 	buf = tomoyo_get_path(path);
 	if (!buf)
 		goto out;
 	switch (operation) {
-	case TOMOYO_TYPE_MKDIR_ACL:
-	case TOMOYO_TYPE_RMDIR_ACL:
+	case TOMOYO_TYPE_MKDIR:
+	case TOMOYO_TYPE_RMDIR:
+	case TOMOYO_TYPE_CHROOT:
 		if (!buf->is_dir) {
 			/*
 			 * tomoyo_get_path() reserves space for appending "/."
@@ -1203,10 +1167,10 @@ int tomoyo_check_1path_perm(struct tomoyo_domain_info *domain,
 			tomoyo_fill_path_info(buf);
 		}
 	}
-	error = tomoyo_check_single_path_permission2(domain, operation, buf,
-						     mode);
+	error = tomoyo_path_permission2(domain, operation, buf, mode);
  out:
-	tomoyo_free(buf);
+	kfree(buf);
+	tomoyo_read_unlock(idx);
 	if (!is_enforce)
 		error = 0;
 	return error;
@@ -1215,21 +1179,23 @@ int tomoyo_check_1path_perm(struct tomoyo_domain_info *domain,
 /**
  * tomoyo_check_rewrite_permission - Check permission for "rewrite".
  *
- * @domain: Pointer to "struct tomoyo_domain_info".
  * @filp: Pointer to "struct file".
  *
  * Returns 0 on success, negative value otherwise.
  */
-int tomoyo_check_rewrite_permission(struct tomoyo_domain_info *domain,
-				    struct file *filp)
+int tomoyo_check_rewrite_permission(struct file *filp)
 {
 	int error = -ENOMEM;
+	struct tomoyo_domain_info *domain = tomoyo_domain();
 	const u8 mode = tomoyo_check_flags(domain, TOMOYO_MAC_FOR_FILE);
 	const bool is_enforce = (mode == 3);
 	struct tomoyo_path_info *buf;
+	int idx;
 
 	if (!mode || !filp->f_path.mnt)
 		return 0;
+
+	idx = tomoyo_read_lock();
 	buf = tomoyo_get_path(&filp->f_path);
 	if (!buf)
 		goto out;
@@ -1237,38 +1203,38 @@ int tomoyo_check_rewrite_permission(struct tomoyo_domain_info *domain,
 		error = 0;
 		goto out;
 	}
-	error = tomoyo_check_single_path_permission2(domain,
-						     TOMOYO_TYPE_REWRITE_ACL,
-						     buf, mode);
+	error = tomoyo_path_permission2(domain, TOMOYO_TYPE_REWRITE, buf, mode);
  out:
-	tomoyo_free(buf);
+	kfree(buf);
+	tomoyo_read_unlock(idx);
 	if (!is_enforce)
 		error = 0;
 	return error;
 }
 
 /**
- * tomoyo_check_2path_perm - Check permission for "rename" and "link".
+ * tomoyo_path2_perm - Check permission for "rename", "link" and "pivot_root".
  *
- * @domain:    Pointer to "struct tomoyo_domain_info".
  * @operation: Type of operation.
  * @path1:      Pointer to "struct path".
  * @path2:      Pointer to "struct path".
  *
  * Returns 0 on success, negative value otherwise.
  */
-int tomoyo_check_2path_perm(struct tomoyo_domain_info * const domain,
-			    const u8 operation, struct path *path1,
-			    struct path *path2)
+int tomoyo_path2_perm(const u8 operation, struct path *path1,
+		      struct path *path2)
 {
 	int error = -ENOMEM;
 	struct tomoyo_path_info *buf1, *buf2;
+	struct tomoyo_domain_info *domain = tomoyo_domain();
 	const u8 mode = tomoyo_check_flags(domain, TOMOYO_MAC_FOR_FILE);
 	const bool is_enforce = (mode == 3);
 	const char *msg;
+	int idx;
 
 	if (!mode || !path1->mnt || !path2->mnt)
 		return 0;
+	idx = tomoyo_read_lock();
 	buf1 = tomoyo_get_path(path1);
 	buf2 = tomoyo_get_path(path2);
 	if (!buf1 || !buf2)
@@ -1289,8 +1255,8 @@ int tomoyo_check_2path_perm(struct tomoyo_domain_info * const domain,
 			}
 		}
 	}
-	error = tomoyo_check_double_path_acl(domain, operation, buf1, buf2);
-	msg = tomoyo_dp2keyword(operation);
+	error = tomoyo_path2_acl(domain, operation, buf1, buf2);
+	msg = tomoyo_path22keyword(operation);
 	if (!error)
 		goto out;
 	if (tomoyo_verbose_mode(domain))
@@ -1301,12 +1267,13 @@ int tomoyo_check_2path_perm(struct tomoyo_domain_info * const domain,
 	if (mode == 1 && tomoyo_domain_quota_is_ok(domain)) {
 		const char *name1 = tomoyo_get_file_pattern(buf1)->name;
 		const char *name2 = tomoyo_get_file_pattern(buf2)->name;
-		tomoyo_update_double_path_acl(operation, name1, name2, domain,
-					      false);
+		tomoyo_update_path2_acl(operation, name1, name2, domain,
+					false);
 	}
  out:
-	tomoyo_free(buf1);
-	tomoyo_free(buf2);
+	kfree(buf1);
+	kfree(buf2);
+	tomoyo_read_unlock(idx);
 	if (!is_enforce)
 		error = 0;
 	return error;
diff --git a/security/tomoyo/gc.c b/security/tomoyo/gc.c
new file mode 100644
index 000000000000..9645525ccdd4
--- /dev/null
+++ b/security/tomoyo/gc.c
@@ -0,0 +1,370 @@
+/*
+ * security/tomoyo/gc.c
+ *
+ * Implementation of the Domain-Based Mandatory Access Control.
+ *
+ * Copyright (C) 2005-2010  NTT DATA CORPORATION
+ *
+ */
+
+#include "common.h"
+#include <linux/kthread.h>
+
+enum tomoyo_gc_id {
+	TOMOYO_ID_DOMAIN_INITIALIZER,
+	TOMOYO_ID_DOMAIN_KEEPER,
+	TOMOYO_ID_ALIAS,
+	TOMOYO_ID_GLOBALLY_READABLE,
+	TOMOYO_ID_PATTERN,
+	TOMOYO_ID_NO_REWRITE,
+	TOMOYO_ID_MANAGER,
+	TOMOYO_ID_NAME,
+	TOMOYO_ID_ACL,
+	TOMOYO_ID_DOMAIN
+};
+
+struct tomoyo_gc_entry {
+	struct list_head list;
+	int type;
+	void *element;
+};
+static LIST_HEAD(tomoyo_gc_queue);
+static DEFINE_MUTEX(tomoyo_gc_mutex);
+
+/* Caller holds tomoyo_policy_lock mutex. */
+static bool tomoyo_add_to_gc(const int type, void *element)
+{
+	struct tomoyo_gc_entry *entry = kzalloc(sizeof(*entry), GFP_ATOMIC);
+	if (!entry)
+		return false;
+	entry->type = type;
+	entry->element = element;
+	list_add(&entry->list, &tomoyo_gc_queue);
+	return true;
+}
+
+static void tomoyo_del_allow_read
+(struct tomoyo_globally_readable_file_entry *ptr)
+{
+	tomoyo_put_name(ptr->filename);
+}
+
+static void tomoyo_del_file_pattern(struct tomoyo_pattern_entry *ptr)
+{
+	tomoyo_put_name(ptr->pattern);
+}
+
+static void tomoyo_del_no_rewrite(struct tomoyo_no_rewrite_entry *ptr)
+{
+	tomoyo_put_name(ptr->pattern);
+}
+
+static void tomoyo_del_domain_initializer
+(struct tomoyo_domain_initializer_entry *ptr)
+{
+	tomoyo_put_name(ptr->domainname);
+	tomoyo_put_name(ptr->program);
+}
+
+static void tomoyo_del_domain_keeper(struct tomoyo_domain_keeper_entry *ptr)
+{
+	tomoyo_put_name(ptr->domainname);
+	tomoyo_put_name(ptr->program);
+}
+
+static void tomoyo_del_alias(struct tomoyo_alias_entry *ptr)
+{
+	tomoyo_put_name(ptr->original_name);
+	tomoyo_put_name(ptr->aliased_name);
+}
+
+static void tomoyo_del_manager(struct tomoyo_policy_manager_entry *ptr)
+{
+	tomoyo_put_name(ptr->manager);
+}
+
+static void tomoyo_del_acl(struct tomoyo_acl_info *acl)
+{
+	switch (acl->type) {
+	case TOMOYO_TYPE_PATH_ACL:
+		{
+			struct tomoyo_path_acl *entry
+				= container_of(acl, typeof(*entry), head);
+			tomoyo_put_name(entry->filename);
+		}
+		break;
+	case TOMOYO_TYPE_PATH2_ACL:
+		{
+			struct tomoyo_path2_acl *entry
+				= container_of(acl, typeof(*entry), head);
+			tomoyo_put_name(entry->filename1);
+			tomoyo_put_name(entry->filename2);
+		}
+		break;
+	default:
+		printk(KERN_WARNING "Unknown type\n");
+		break;
+	}
+}
+
+static bool tomoyo_del_domain(struct tomoyo_domain_info *domain)
+{
+	struct tomoyo_acl_info *acl;
+	struct tomoyo_acl_info *tmp;
+	/*
+	 * Since we don't protect whole execve() operation using SRCU,
+	 * we need to recheck domain->users at this point.
+	 *
+	 * (1) Reader starts SRCU section upon execve().
+	 * (2) Reader traverses tomoyo_domain_list and finds this domain.
+	 * (3) Writer marks this domain as deleted.
+	 * (4) Garbage collector removes this domain from tomoyo_domain_list
+	 *     because this domain is marked as deleted and used by nobody.
+	 * (5) Reader saves reference to this domain into
+	 *     "struct linux_binprm"->cred->security .
+	 * (6) Reader finishes SRCU section, although execve() operation has
+	 *     not finished yet.
+	 * (7) Garbage collector waits for SRCU synchronization.
+	 * (8) Garbage collector kfree() this domain because this domain is
+	 *     used by nobody.
+	 * (9) Reader finishes execve() operation and restores this domain from
+	 *     "struct linux_binprm"->cred->security.
+	 *
+	 * By updating domain->users at (5), we can solve this race problem
+	 * by rechecking domain->users at (8).
+	 */
+	if (atomic_read(&domain->users))
+		return false;
+	list_for_each_entry_safe(acl, tmp, &domain->acl_info_list, list) {
+		tomoyo_del_acl(acl);
+		tomoyo_memory_free(acl);
+	}
+	tomoyo_put_name(domain->domainname);
+	return true;
+}
+
+
+static void tomoyo_del_name(const struct tomoyo_name_entry *ptr)
+{
+}
+
+static void tomoyo_collect_entry(void)
+{
+	mutex_lock(&tomoyo_policy_lock);
+	{
+		struct tomoyo_globally_readable_file_entry *ptr;
+		list_for_each_entry_rcu(ptr, &tomoyo_globally_readable_list,
+					list) {
+			if (!ptr->is_deleted)
+				continue;
+			if (tomoyo_add_to_gc(TOMOYO_ID_GLOBALLY_READABLE, ptr))
+				list_del_rcu(&ptr->list);
+			else
+				break;
+		}
+	}
+	{
+		struct tomoyo_pattern_entry *ptr;
+		list_for_each_entry_rcu(ptr, &tomoyo_pattern_list, list) {
+			if (!ptr->is_deleted)
+				continue;
+			if (tomoyo_add_to_gc(TOMOYO_ID_PATTERN, ptr))
+				list_del_rcu(&ptr->list);
+			else
+				break;
+		}
+	}
+	{
+		struct tomoyo_no_rewrite_entry *ptr;
+		list_for_each_entry_rcu(ptr, &tomoyo_no_rewrite_list, list) {
+			if (!ptr->is_deleted)
+				continue;
+			if (tomoyo_add_to_gc(TOMOYO_ID_NO_REWRITE, ptr))
+				list_del_rcu(&ptr->list);
+			else
+				break;
+		}
+	}
+	{
+		struct tomoyo_domain_initializer_entry *ptr;
+		list_for_each_entry_rcu(ptr, &tomoyo_domain_initializer_list,
+					list) {
+			if (!ptr->is_deleted)
+				continue;
+			if (tomoyo_add_to_gc(TOMOYO_ID_DOMAIN_INITIALIZER, ptr))
+				list_del_rcu(&ptr->list);
+			else
+				break;
+		}
+	}
+	{
+		struct tomoyo_domain_keeper_entry *ptr;
+		list_for_each_entry_rcu(ptr, &tomoyo_domain_keeper_list, list) {
+			if (!ptr->is_deleted)
+				continue;
+			if (tomoyo_add_to_gc(TOMOYO_ID_DOMAIN_KEEPER, ptr))
+				list_del_rcu(&ptr->list);
+			else
+				break;
+		}
+	}
+	{
+		struct tomoyo_alias_entry *ptr;
+		list_for_each_entry_rcu(ptr, &tomoyo_alias_list, list) {
+			if (!ptr->is_deleted)
+				continue;
+			if (tomoyo_add_to_gc(TOMOYO_ID_ALIAS, ptr))
+				list_del_rcu(&ptr->list);
+			else
+				break;
+		}
+	}
+	{
+		struct tomoyo_policy_manager_entry *ptr;
+		list_for_each_entry_rcu(ptr, &tomoyo_policy_manager_list,
+					list) {
+			if (!ptr->is_deleted)
+				continue;
+			if (tomoyo_add_to_gc(TOMOYO_ID_MANAGER, ptr))
+				list_del_rcu(&ptr->list);
+			else
+				break;
+		}
+	}
+	{
+		struct tomoyo_domain_info *domain;
+		list_for_each_entry_rcu(domain, &tomoyo_domain_list, list) {
+			struct tomoyo_acl_info *acl;
+			list_for_each_entry_rcu(acl, &domain->acl_info_list,
+						list) {
+				switch (acl->type) {
+				case TOMOYO_TYPE_PATH_ACL:
+					if (container_of(acl,
+					 struct tomoyo_path_acl,
+							 head)->perm ||
+					    container_of(acl,
+					 struct tomoyo_path_acl,
+							 head)->perm_high)
+						continue;
+					break;
+				case TOMOYO_TYPE_PATH2_ACL:
+					if (container_of(acl,
+					 struct tomoyo_path2_acl,
+							 head)->perm)
+						continue;
+					break;
+				default:
+					continue;
+				}
+				if (tomoyo_add_to_gc(TOMOYO_ID_ACL, acl))
+					list_del_rcu(&acl->list);
+				else
+					break;
+			}
+			if (!domain->is_deleted || atomic_read(&domain->users))
+				continue;
+			/*
+			 * Nobody is referring this domain. But somebody may
+			 * refer this domain after successful execve().
+			 * We recheck domain->users after SRCU synchronization.
+			 */
+			if (tomoyo_add_to_gc(TOMOYO_ID_DOMAIN, domain))
+				list_del_rcu(&domain->list);
+			else
+				break;
+		}
+	}
+	mutex_unlock(&tomoyo_policy_lock);
+	mutex_lock(&tomoyo_name_list_lock);
+	{
+		int i;
+		for (i = 0; i < TOMOYO_MAX_HASH; i++) {
+			struct tomoyo_name_entry *ptr;
+			list_for_each_entry_rcu(ptr, &tomoyo_name_list[i],
+						list) {
+				if (atomic_read(&ptr->users))
+					continue;
+				if (tomoyo_add_to_gc(TOMOYO_ID_NAME, ptr))
+					list_del_rcu(&ptr->list);
+				else {
+					i = TOMOYO_MAX_HASH;
+					break;
+				}
+			}
+		}
+	}
+	mutex_unlock(&tomoyo_name_list_lock);
+}
+
+static void tomoyo_kfree_entry(void)
+{
+	struct tomoyo_gc_entry *p;
+	struct tomoyo_gc_entry *tmp;
+
+	list_for_each_entry_safe(p, tmp, &tomoyo_gc_queue, list) {
+		switch (p->type) {
+		case TOMOYO_ID_DOMAIN_INITIALIZER:
+			tomoyo_del_domain_initializer(p->element);
+			break;
+		case TOMOYO_ID_DOMAIN_KEEPER:
+			tomoyo_del_domain_keeper(p->element);
+			break;
+		case TOMOYO_ID_ALIAS:
+			tomoyo_del_alias(p->element);
+			break;
+		case TOMOYO_ID_GLOBALLY_READABLE:
+			tomoyo_del_allow_read(p->element);
+			break;
+		case TOMOYO_ID_PATTERN:
+			tomoyo_del_file_pattern(p->element);
+			break;
+		case TOMOYO_ID_NO_REWRITE:
+			tomoyo_del_no_rewrite(p->element);
+			break;
+		case TOMOYO_ID_MANAGER:
+			tomoyo_del_manager(p->element);
+			break;
+		case TOMOYO_ID_NAME:
+			tomoyo_del_name(p->element);
+			break;
+		case TOMOYO_ID_ACL:
+			tomoyo_del_acl(p->element);
+			break;
+		case TOMOYO_ID_DOMAIN:
+			if (!tomoyo_del_domain(p->element))
+				continue;
+			break;
+		default:
+			printk(KERN_WARNING "Unknown type\n");
+			break;
+		}
+		tomoyo_memory_free(p->element);
+		list_del(&p->list);
+		kfree(p);
+	}
+}
+
+static int tomoyo_gc_thread(void *unused)
+{
+	daemonize("GC for TOMOYO");
+	if (mutex_trylock(&tomoyo_gc_mutex)) {
+		int i;
+		for (i = 0; i < 10; i++) {
+			tomoyo_collect_entry();
+			if (list_empty(&tomoyo_gc_queue))
+				break;
+			synchronize_srcu(&tomoyo_ss);
+			tomoyo_kfree_entry();
+		}
+		mutex_unlock(&tomoyo_gc_mutex);
+	}
+	do_exit(0);
+}
+
+void tomoyo_run_gc(void)
+{
+	struct task_struct *task = kthread_create(tomoyo_gc_thread, NULL,
+						  "GC for TOMOYO");
+	if (!IS_ERR(task))
+		wake_up_process(task);
+}
diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c
index 18369d497eb8..cf7d61f781b9 100644
--- a/security/tomoyo/realpath.c
+++ b/security/tomoyo/realpath.c
@@ -14,9 +14,8 @@
 #include <linux/mnt_namespace.h>
 #include <linux/fs_struct.h>
 #include <linux/hash.h>
-
+#include <linux/magic.h>
 #include "common.h"
-#include "realpath.h"
 
 /**
  * tomoyo_encode: Convert binary string to ascii string.
@@ -89,30 +88,15 @@ int tomoyo_realpath_from_path2(struct path *path, char *newname,
 		sp = dentry->d_op->d_dname(dentry, newname + offset,
 					   newname_len - offset);
 	} else {
-		/* Taken from d_namespace_path(). */
-		struct path root;
-		struct path ns_root = { };
-		struct path tmp;
+		struct path ns_root = {.mnt = NULL, .dentry = NULL};
 
-		read_lock(&current->fs->lock);
-		root = current->fs->root;
-		path_get(&root);
-		read_unlock(&current->fs->lock);
-		spin_lock(&vfsmount_lock);
-		if (root.mnt && root.mnt->mnt_ns)
-			ns_root.mnt = mntget(root.mnt->mnt_ns->root);
-		if (ns_root.mnt)
-			ns_root.dentry = dget(ns_root.mnt->mnt_root);
-		spin_unlock(&vfsmount_lock);
 		spin_lock(&dcache_lock);
-		tmp = ns_root;
-		sp = __d_path(path, &tmp, newname, newname_len);
+		/* go to whatever namespace root we are under */
+		sp = __d_path(path, &ns_root, newname, newname_len);
 		spin_unlock(&dcache_lock);
-		path_put(&root);
-		path_put(&ns_root);
 		/* Prepend "/proc" prefix if using internal proc vfs mount. */
-		if (!IS_ERR(sp) && (path->mnt->mnt_parent == path->mnt) &&
-		    (strcmp(path->mnt->mnt_sb->s_type->name, "proc") == 0)) {
+		if (!IS_ERR(sp) && (path->mnt->mnt_flags & MNT_INTERNAL) &&
+		    (path->mnt->mnt_sb->s_magic == PROC_SUPER_MAGIC)) {
 			sp -= 5;
 			if (sp >= newname)
 				memcpy(sp, "/proc", 5);
@@ -149,12 +133,12 @@ int tomoyo_realpath_from_path2(struct path *path, char *newname,
  *
  * Returns the realpath of the given @path on success, NULL otherwise.
  *
- * These functions use tomoyo_alloc(), so the caller must call tomoyo_free()
+ * These functions use kzalloc(), so the caller must call kfree()
  * if these functions didn't return NULL.
  */
 char *tomoyo_realpath_from_path(struct path *path)
 {
-	char *buf = tomoyo_alloc(sizeof(struct tomoyo_page_buffer));
+	char *buf = kzalloc(sizeof(struct tomoyo_page_buffer), GFP_KERNEL);
 
 	BUILD_BUG_ON(sizeof(struct tomoyo_page_buffer)
 		     <= TOMOYO_MAX_PATHNAME_LEN - 1);
@@ -163,7 +147,7 @@ char *tomoyo_realpath_from_path(struct path *path)
 	if (tomoyo_realpath_from_path2(path, buf,
 				       TOMOYO_MAX_PATHNAME_LEN - 1) == 0)
 		return buf;
-	tomoyo_free(buf);
+	kfree(buf);
 	return NULL;
 }
 
@@ -206,98 +190,47 @@ char *tomoyo_realpath_nofollow(const char *pathname)
 }
 
 /* Memory allocated for non-string data. */
-static unsigned int tomoyo_allocated_memory_for_elements;
-/* Quota for holding non-string data. */
-static unsigned int tomoyo_quota_for_elements;
+static atomic_t tomoyo_policy_memory_size;
+/* Quota for holding policy. */
+static unsigned int tomoyo_quota_for_policy;
 
 /**
- * tomoyo_alloc_element - Allocate permanent memory for structures.
+ * tomoyo_memory_ok - Check memory quota.
  *
- * @size: Size in bytes.
+ * @ptr: Pointer to allocated memory.
  *
- * Returns pointer to allocated memory on success, NULL otherwise.
+ * Returns true on success, false otherwise.
  *
- * Memory has to be zeroed.
- * The RAM is chunked, so NEVER try to kfree() the returned pointer.
+ * Caller holds tomoyo_policy_lock.
+ * Memory pointed by @ptr will be zeroed on success.
  */
-void *tomoyo_alloc_element(const unsigned int size)
+bool tomoyo_memory_ok(void *ptr)
 {
-	static char *buf;
-	static DEFINE_MUTEX(lock);
-	static unsigned int buf_used_len = PATH_MAX;
-	char *ptr = NULL;
-	/*Assumes sizeof(void *) >= sizeof(long) is true. */
-	const unsigned int word_aligned_size
-		= roundup(size, max(sizeof(void *), sizeof(long)));
-	if (word_aligned_size > PATH_MAX)
-		return NULL;
-	mutex_lock(&lock);
-	if (buf_used_len + word_aligned_size > PATH_MAX) {
-		if (!tomoyo_quota_for_elements ||
-		    tomoyo_allocated_memory_for_elements
-		    + PATH_MAX <= tomoyo_quota_for_elements)
-			ptr = kzalloc(PATH_MAX, GFP_KERNEL);
-		if (!ptr) {
-			printk(KERN_WARNING "ERROR: Out of memory "
-			       "for tomoyo_alloc_element().\n");
-			if (!tomoyo_policy_loaded)
-				panic("MAC Initialization failed.\n");
-		} else {
-			buf = ptr;
-			tomoyo_allocated_memory_for_elements += PATH_MAX;
-			buf_used_len = word_aligned_size;
-			ptr = buf;
-		}
-	} else if (word_aligned_size) {
-		int i;
-		ptr = buf + buf_used_len;
-		buf_used_len += word_aligned_size;
-		for (i = 0; i < word_aligned_size; i++) {
-			if (!ptr[i])
-				continue;
-			printk(KERN_ERR "WARNING: Reserved memory was tainted! "
-			       "The system might go wrong.\n");
-			ptr[i] = '\0';
-		}
+	int allocated_len = ptr ? ksize(ptr) : 0;
+	atomic_add(allocated_len, &tomoyo_policy_memory_size);
+	if (ptr && (!tomoyo_quota_for_policy ||
+		    atomic_read(&tomoyo_policy_memory_size)
+		    <= tomoyo_quota_for_policy)) {
+		memset(ptr, 0, allocated_len);
+		return true;
 	}
-	mutex_unlock(&lock);
-	return ptr;
+	printk(KERN_WARNING "ERROR: Out of memory "
+	       "for tomoyo_alloc_element().\n");
+	if (!tomoyo_policy_loaded)
+		panic("MAC Initialization failed.\n");
+	return false;
 }
 
-/* Memory allocated for string data in bytes. */
-static unsigned int tomoyo_allocated_memory_for_savename;
-/* Quota for holding string data in bytes. */
-static unsigned int tomoyo_quota_for_savename;
-
-/*
- * TOMOYO uses this hash only when appending a string into the string
- * table. Frequency of appending strings is very low. So we don't need
- * large (e.g. 64k) hash size. 256 will be sufficient.
- */
-#define TOMOYO_HASH_BITS  8
-#define TOMOYO_MAX_HASH (1u<<TOMOYO_HASH_BITS)
-
-/*
- * tomoyo_name_entry is a structure which is used for linking
- * "struct tomoyo_path_info" into tomoyo_name_list .
+/**
+ * tomoyo_memory_free - Free memory for elements.
  *
- * Since tomoyo_name_list manages a list of strings which are shared by
- * multiple processes (whereas "struct tomoyo_path_info" inside
- * "struct tomoyo_path_info_with_data" is not shared), a reference counter will
- * be added to "struct tomoyo_name_entry" rather than "struct tomoyo_path_info"
- * when TOMOYO starts supporting garbage collector.
+ * @ptr:  Pointer to allocated memory.
  */
-struct tomoyo_name_entry {
-	struct list_head list;
-	struct tomoyo_path_info entry;
-};
-
-/* Structure for available memory region. */
-struct tomoyo_free_memory_block_list {
-	struct list_head list;
-	char *ptr;             /* Pointer to a free area. */
-	int len;               /* Length of the area.     */
-};
+void tomoyo_memory_free(void *ptr)
+{
+	atomic_sub(ksize(ptr), &tomoyo_policy_memory_size);
+	kfree(ptr);
+}
 
 /*
  * tomoyo_name_list is used for holding string data used by TOMOYO.
@@ -305,87 +238,58 @@ struct tomoyo_free_memory_block_list {
  * "/lib/libc-2.5.so"), TOMOYO shares string data in the form of
  * "const struct tomoyo_path_info *".
  */
-static struct list_head tomoyo_name_list[TOMOYO_MAX_HASH];
+struct list_head tomoyo_name_list[TOMOYO_MAX_HASH];
+/* Lock for protecting tomoyo_name_list . */
+DEFINE_MUTEX(tomoyo_name_list_lock);
 
 /**
- * tomoyo_save_name - Allocate permanent memory for string data.
+ * tomoyo_get_name - Allocate permanent memory for string data.
  *
  * @name: The string to store into the permernent memory.
  *
  * Returns pointer to "struct tomoyo_path_info" on success, NULL otherwise.
- *
- * The RAM is shared, so NEVER try to modify or kfree() the returned name.
  */
-const struct tomoyo_path_info *tomoyo_save_name(const char *name)
+const struct tomoyo_path_info *tomoyo_get_name(const char *name)
 {
-	static LIST_HEAD(fmb_list);
-	static DEFINE_MUTEX(lock);
 	struct tomoyo_name_entry *ptr;
 	unsigned int hash;
-	/* fmb contains available size in bytes.
-	   fmb is removed from the fmb_list when fmb->len becomes 0. */
-	struct tomoyo_free_memory_block_list *fmb;
 	int len;
-	char *cp;
+	int allocated_len;
 	struct list_head *head;
 
 	if (!name)
 		return NULL;
 	len = strlen(name) + 1;
-	if (len > TOMOYO_MAX_PATHNAME_LEN) {
-		printk(KERN_WARNING "ERROR: Name too long "
-		       "for tomoyo_save_name().\n");
-		return NULL;
-	}
 	hash = full_name_hash((const unsigned char *) name, len - 1);
 	head = &tomoyo_name_list[hash_long(hash, TOMOYO_HASH_BITS)];
-
-	mutex_lock(&lock);
+	mutex_lock(&tomoyo_name_list_lock);
 	list_for_each_entry(ptr, head, list) {
-		if (hash == ptr->entry.hash && !strcmp(name, ptr->entry.name))
-			goto out;
-	}
-	list_for_each_entry(fmb, &fmb_list, list) {
-		if (len <= fmb->len)
-			goto ready;
+		if (hash != ptr->entry.hash || strcmp(name, ptr->entry.name))
+			continue;
+		atomic_inc(&ptr->users);
+		goto out;
 	}
-	if (!tomoyo_quota_for_savename ||
-	    tomoyo_allocated_memory_for_savename + PATH_MAX
-	    <= tomoyo_quota_for_savename)
-		cp = kzalloc(PATH_MAX, GFP_KERNEL);
-	else
-		cp = NULL;
-	fmb = kzalloc(sizeof(*fmb), GFP_KERNEL);
-	if (!cp || !fmb) {
-		kfree(cp);
-		kfree(fmb);
+	ptr = kzalloc(sizeof(*ptr) + len, GFP_KERNEL);
+	allocated_len = ptr ? ksize(ptr) : 0;
+	if (!ptr || (tomoyo_quota_for_policy &&
+		     atomic_read(&tomoyo_policy_memory_size) + allocated_len
+		     > tomoyo_quota_for_policy)) {
+		kfree(ptr);
 		printk(KERN_WARNING "ERROR: Out of memory "
-		       "for tomoyo_save_name().\n");
+		       "for tomoyo_get_name().\n");
 		if (!tomoyo_policy_loaded)
 			panic("MAC Initialization failed.\n");
 		ptr = NULL;
 		goto out;
 	}
-	tomoyo_allocated_memory_for_savename += PATH_MAX;
-	list_add(&fmb->list, &fmb_list);
-	fmb->ptr = cp;
-	fmb->len = PATH_MAX;
- ready:
-	ptr = tomoyo_alloc_element(sizeof(*ptr));
-	if (!ptr)
-		goto out;
-	ptr->entry.name = fmb->ptr;
-	memmove(fmb->ptr, name, len);
+	atomic_add(allocated_len, &tomoyo_policy_memory_size);
+	ptr->entry.name = ((char *) ptr) + sizeof(*ptr);
+	memmove((char *) ptr->entry.name, name, len);
+	atomic_set(&ptr->users, 1);
 	tomoyo_fill_path_info(&ptr->entry);
-	fmb->ptr += len;
-	fmb->len -= len;
 	list_add_tail(&ptr->list, head);
-	if (fmb->len == 0) {
-		list_del(&fmb->list);
-		kfree(fmb);
-	}
  out:
-	mutex_unlock(&lock);
+	mutex_unlock(&tomoyo_name_list_lock);
 	return ptr ? &ptr->entry : NULL;
 }
 
@@ -400,45 +304,14 @@ void __init tomoyo_realpath_init(void)
 	for (i = 0; i < TOMOYO_MAX_HASH; i++)
 		INIT_LIST_HEAD(&tomoyo_name_list[i]);
 	INIT_LIST_HEAD(&tomoyo_kernel_domain.acl_info_list);
-	tomoyo_kernel_domain.domainname = tomoyo_save_name(TOMOYO_ROOT_NAME);
-	list_add_tail(&tomoyo_kernel_domain.list, &tomoyo_domain_list);
-	down_read(&tomoyo_domain_list_lock);
+	tomoyo_kernel_domain.domainname = tomoyo_get_name(TOMOYO_ROOT_NAME);
+	/*
+	 * tomoyo_read_lock() is not needed because this function is
+	 * called before the first "delete" request.
+	 */
+	list_add_tail_rcu(&tomoyo_kernel_domain.list, &tomoyo_domain_list);
 	if (tomoyo_find_domain(TOMOYO_ROOT_NAME) != &tomoyo_kernel_domain)
 		panic("Can't register tomoyo_kernel_domain");
-	up_read(&tomoyo_domain_list_lock);
-}
-
-/* Memory allocated for temporary purpose. */
-static atomic_t tomoyo_dynamic_memory_size;
-
-/**
- * tomoyo_alloc - Allocate memory for temporary purpose.
- *
- * @size: Size in bytes.
- *
- * Returns pointer to allocated memory on success, NULL otherwise.
- */
-void *tomoyo_alloc(const size_t size)
-{
-	void *p = kzalloc(size, GFP_KERNEL);
-	if (p)
-		atomic_add(ksize(p), &tomoyo_dynamic_memory_size);
-	return p;
-}
-
-/**
- * tomoyo_free - Release memory allocated by tomoyo_alloc().
- *
- * @p: Pointer returned by tomoyo_alloc(). May be NULL.
- *
- * Returns nothing.
- */
-void tomoyo_free(const void *p)
-{
-	if (p) {
-		atomic_sub(ksize(p), &tomoyo_dynamic_memory_size);
-		kfree(p);
-	}
 }
 
 /**
@@ -451,32 +324,19 @@ void tomoyo_free(const void *p)
 int tomoyo_read_memory_counter(struct tomoyo_io_buffer *head)
 {
 	if (!head->read_eof) {
-		const unsigned int shared
-			= tomoyo_allocated_memory_for_savename;
-		const unsigned int private
-			= tomoyo_allocated_memory_for_elements;
-		const unsigned int dynamic
-			= atomic_read(&tomoyo_dynamic_memory_size);
+		const unsigned int policy
+			= atomic_read(&tomoyo_policy_memory_size);
 		char buffer[64];
 
 		memset(buffer, 0, sizeof(buffer));
-		if (tomoyo_quota_for_savename)
-			snprintf(buffer, sizeof(buffer) - 1,
-				 "   (Quota: %10u)",
-				 tomoyo_quota_for_savename);
-		else
-			buffer[0] = '\0';
-		tomoyo_io_printf(head, "Shared:  %10u%s\n", shared, buffer);
-		if (tomoyo_quota_for_elements)
+		if (tomoyo_quota_for_policy)
 			snprintf(buffer, sizeof(buffer) - 1,
 				 "   (Quota: %10u)",
-				 tomoyo_quota_for_elements);
+				 tomoyo_quota_for_policy);
 		else
 			buffer[0] = '\0';
-		tomoyo_io_printf(head, "Private: %10u%s\n", private, buffer);
-		tomoyo_io_printf(head, "Dynamic: %10u\n", dynamic);
-		tomoyo_io_printf(head, "Total:   %10u\n",
-				 shared + private + dynamic);
+		tomoyo_io_printf(head, "Policy:  %10u%s\n", policy, buffer);
+		tomoyo_io_printf(head, "Total:   %10u\n", policy);
 		head->read_eof = true;
 	}
 	return 0;
@@ -494,9 +354,7 @@ int tomoyo_write_memory_quota(struct tomoyo_io_buffer *head)
 	char *data = head->write_buf;
 	unsigned int size;
 
-	if (sscanf(data, "Shared: %u", &size) == 1)
-		tomoyo_quota_for_savename = size;
-	else if (sscanf(data, "Private: %u", &size) == 1)
-		tomoyo_quota_for_elements = size;
+	if (sscanf(data, "Policy: %u", &size) == 1)
+		tomoyo_quota_for_policy = size;
 	return 0;
 }
diff --git a/security/tomoyo/realpath.h b/security/tomoyo/realpath.h
deleted file mode 100644
index 78217a37960b..000000000000
--- a/security/tomoyo/realpath.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * security/tomoyo/realpath.h
- *
- * Get the canonicalized absolute pathnames. The basis for TOMOYO.
- *
- * Copyright (C) 2005-2009  NTT DATA CORPORATION
- *
- * Version: 2.2.0   2009/04/01
- *
- */
-
-#ifndef _SECURITY_TOMOYO_REALPATH_H
-#define _SECURITY_TOMOYO_REALPATH_H
-
-struct path;
-struct tomoyo_path_info;
-struct tomoyo_io_buffer;
-
-/* Convert binary string to ascii string. */
-int tomoyo_encode(char *buffer, int buflen, const char *str);
-
-/* Returns realpath(3) of the given pathname but ignores chroot'ed root. */
-int tomoyo_realpath_from_path2(struct path *path, char *newname,
-			       int newname_len);
-
-/*
- * Returns realpath(3) of the given pathname but ignores chroot'ed root.
- * These functions use tomoyo_alloc(), so the caller must call tomoyo_free()
- * if these functions didn't return NULL.
- */
-char *tomoyo_realpath(const char *pathname);
-/*
- * Same with tomoyo_realpath() except that it doesn't follow the final symlink.
- */
-char *tomoyo_realpath_nofollow(const char *pathname);
-/* Same with tomoyo_realpath() except that the pathname is already solved. */
-char *tomoyo_realpath_from_path(struct path *path);
-
-/*
- * Allocate memory for ACL entry.
- * The RAM is chunked, so NEVER try to kfree() the returned pointer.
- */
-void *tomoyo_alloc_element(const unsigned int size);
-
-/*
- * Keep the given name on the RAM.
- * The RAM is shared, so NEVER try to modify or kfree() the returned name.
- */
-const struct tomoyo_path_info *tomoyo_save_name(const char *name);
-
-/* Allocate memory for temporary use (e.g. permission checks). */
-void *tomoyo_alloc(const size_t size);
-
-/* Free memory allocated by tomoyo_alloc(). */
-void tomoyo_free(const void *p);
-
-/* Check for memory usage. */
-int tomoyo_read_memory_counter(struct tomoyo_io_buffer *head);
-
-/* Set memory quota. */
-int tomoyo_write_memory_quota(struct tomoyo_io_buffer *head);
-
-/* Initialize realpath related code. */
-void __init tomoyo_realpath_init(void);
-
-#endif /* !defined(_SECURITY_TOMOYO_REALPATH_H) */
diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c
index 2aceebf5f354..dedd97d0c163 100644
--- a/security/tomoyo/tomoyo.c
+++ b/security/tomoyo/tomoyo.c
@@ -11,8 +11,6 @@
 
 #include <linux/security.h>
 #include "common.h"
-#include "tomoyo.h"
-#include "realpath.h"
 
 static int tomoyo_cred_alloc_blank(struct cred *new, gfp_t gfp)
 {
@@ -23,21 +21,23 @@ static int tomoyo_cred_alloc_blank(struct cred *new, gfp_t gfp)
 static int tomoyo_cred_prepare(struct cred *new, const struct cred *old,
 			       gfp_t gfp)
 {
-	/*
-	 * Since "struct tomoyo_domain_info *" is a sharable pointer,
-	 * we don't need to duplicate.
-	 */
-	new->security = old->security;
+	struct tomoyo_domain_info *domain = old->security;
+	new->security = domain;
+	if (domain)
+		atomic_inc(&domain->users);
 	return 0;
 }
 
 static void tomoyo_cred_transfer(struct cred *new, const struct cred *old)
 {
-	/*
-	 * Since "struct tomoyo_domain_info *" is a sharable pointer,
-	 * we don't need to duplicate.
-	 */
-	new->security = old->security;
+	tomoyo_cred_prepare(new, old, 0);
+}
+
+static void tomoyo_cred_free(struct cred *cred)
+{
+	struct tomoyo_domain_info *domain = cred->security;
+	if (domain)
+		atomic_dec(&domain->users);
 }
 
 static int tomoyo_bprm_set_creds(struct linux_binprm *bprm)
@@ -61,6 +61,14 @@ static int tomoyo_bprm_set_creds(struct linux_binprm *bprm)
 	if (!tomoyo_policy_loaded)
 		tomoyo_load_policy(bprm->filename);
 	/*
+	 * Release reference to "struct tomoyo_domain_info" stored inside
+	 * "bprm->cred->security". New reference to "struct tomoyo_domain_info"
+	 * stored inside "bprm->cred->security" will be acquired later inside
+	 * tomoyo_find_next_domain().
+	 */
+	atomic_dec(&((struct tomoyo_domain_info *)
+		     bprm->cred->security)->users);
+	/*
 	 * Tell tomoyo_bprm_check_security() is called for the first time of an
 	 * execve operation.
 	 */
@@ -76,8 +84,12 @@ static int tomoyo_bprm_check_security(struct linux_binprm *bprm)
 	 * Execute permission is checked against pathname passed to do_execve()
 	 * using current domain.
 	 */
-	if (!domain)
-		return tomoyo_find_next_domain(bprm);
+	if (!domain) {
+		const int idx = tomoyo_read_lock();
+		const int err = tomoyo_find_next_domain(bprm);
+		tomoyo_read_unlock(idx);
+		return err;
+	}
 	/*
 	 * Read permission is checked against interpreters using next domain.
 	 */
@@ -87,67 +99,56 @@ static int tomoyo_bprm_check_security(struct linux_binprm *bprm)
 static int tomoyo_path_truncate(struct path *path, loff_t length,
 				unsigned int time_attrs)
 {
-	return tomoyo_check_1path_perm(tomoyo_domain(),
-				       TOMOYO_TYPE_TRUNCATE_ACL,
-				       path);
+	return tomoyo_path_perm(TOMOYO_TYPE_TRUNCATE, path);
 }
 
 static int tomoyo_path_unlink(struct path *parent, struct dentry *dentry)
 {
 	struct path path = { parent->mnt, dentry };
-	return tomoyo_check_1path_perm(tomoyo_domain(),
-				       TOMOYO_TYPE_UNLINK_ACL,
-				       &path);
+	return tomoyo_path_perm(TOMOYO_TYPE_UNLINK, &path);
 }
 
 static int tomoyo_path_mkdir(struct path *parent, struct dentry *dentry,
 			     int mode)
 {
 	struct path path = { parent->mnt, dentry };
-	return tomoyo_check_1path_perm(tomoyo_domain(),
-				       TOMOYO_TYPE_MKDIR_ACL,
-				       &path);
+	return tomoyo_path_perm(TOMOYO_TYPE_MKDIR, &path);
 }
 
 static int tomoyo_path_rmdir(struct path *parent, struct dentry *dentry)
 {
 	struct path path = { parent->mnt, dentry };
-	return tomoyo_check_1path_perm(tomoyo_domain(),
-				       TOMOYO_TYPE_RMDIR_ACL,
-				       &path);
+	return tomoyo_path_perm(TOMOYO_TYPE_RMDIR, &path);
 }
 
 static int tomoyo_path_symlink(struct path *parent, struct dentry *dentry,
 			       const char *old_name)
 {
 	struct path path = { parent->mnt, dentry };
-	return tomoyo_check_1path_perm(tomoyo_domain(),
-				       TOMOYO_TYPE_SYMLINK_ACL,
-				       &path);
+	return tomoyo_path_perm(TOMOYO_TYPE_SYMLINK, &path);
 }
 
 static int tomoyo_path_mknod(struct path *parent, struct dentry *dentry,
 			     int mode, unsigned int dev)
 {
 	struct path path = { parent->mnt, dentry };
-	int type = TOMOYO_TYPE_CREATE_ACL;
+	int type = TOMOYO_TYPE_CREATE;
 
 	switch (mode & S_IFMT) {
 	case S_IFCHR:
-		type = TOMOYO_TYPE_MKCHAR_ACL;
+		type = TOMOYO_TYPE_MKCHAR;
 		break;
 	case S_IFBLK:
-		type = TOMOYO_TYPE_MKBLOCK_ACL;
+		type = TOMOYO_TYPE_MKBLOCK;
 		break;
 	case S_IFIFO:
-		type = TOMOYO_TYPE_MKFIFO_ACL;
+		type = TOMOYO_TYPE_MKFIFO;
 		break;
 	case S_IFSOCK:
-		type = TOMOYO_TYPE_MKSOCK_ACL;
+		type = TOMOYO_TYPE_MKSOCK;
 		break;
 	}
-	return tomoyo_check_1path_perm(tomoyo_domain(),
-				       type, &path);
+	return tomoyo_path_perm(type, &path);
 }
 
 static int tomoyo_path_link(struct dentry *old_dentry, struct path *new_dir,
@@ -155,9 +156,7 @@ static int tomoyo_path_link(struct dentry *old_dentry, struct path *new_dir,
 {
 	struct path path1 = { new_dir->mnt, old_dentry };
 	struct path path2 = { new_dir->mnt, new_dentry };
-	return tomoyo_check_2path_perm(tomoyo_domain(),
-				       TOMOYO_TYPE_LINK_ACL,
-				       &path1, &path2);
+	return tomoyo_path2_perm(TOMOYO_TYPE_LINK, &path1, &path2);
 }
 
 static int tomoyo_path_rename(struct path *old_parent,
@@ -167,16 +166,14 @@ static int tomoyo_path_rename(struct path *old_parent,
 {
 	struct path path1 = { old_parent->mnt, old_dentry };
 	struct path path2 = { new_parent->mnt, new_dentry };
-	return tomoyo_check_2path_perm(tomoyo_domain(),
-				       TOMOYO_TYPE_RENAME_ACL,
-				       &path1, &path2);
+	return tomoyo_path2_perm(TOMOYO_TYPE_RENAME, &path1, &path2);
 }
 
 static int tomoyo_file_fcntl(struct file *file, unsigned int cmd,
 			     unsigned long arg)
 {
 	if (cmd == F_SETFL && ((arg ^ file->f_flags) & O_APPEND))
-		return tomoyo_check_rewrite_permission(tomoyo_domain(), file);
+		return tomoyo_check_rewrite_permission(file);
 	return 0;
 }
 
@@ -189,6 +186,51 @@ static int tomoyo_dentry_open(struct file *f, const struct cred *cred)
 	return tomoyo_check_open_permission(tomoyo_domain(), &f->f_path, flags);
 }
 
+static int tomoyo_file_ioctl(struct file *file, unsigned int cmd,
+			     unsigned long arg)
+{
+	return tomoyo_path_perm(TOMOYO_TYPE_IOCTL, &file->f_path);
+}
+
+static int tomoyo_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
+			     mode_t mode)
+{
+	struct path path = { mnt, dentry };
+	return tomoyo_path_perm(TOMOYO_TYPE_CHMOD, &path);
+}
+
+static int tomoyo_path_chown(struct path *path, uid_t uid, gid_t gid)
+{
+	int error = 0;
+	if (uid != (uid_t) -1)
+		error = tomoyo_path_perm(TOMOYO_TYPE_CHOWN, path);
+	if (!error && gid != (gid_t) -1)
+		error = tomoyo_path_perm(TOMOYO_TYPE_CHGRP, path);
+	return error;
+}
+
+static int tomoyo_path_chroot(struct path *path)
+{
+	return tomoyo_path_perm(TOMOYO_TYPE_CHROOT, path);
+}
+
+static int tomoyo_sb_mount(char *dev_name, struct path *path,
+			   char *type, unsigned long flags, void *data)
+{
+	return tomoyo_path_perm(TOMOYO_TYPE_MOUNT, path);
+}
+
+static int tomoyo_sb_umount(struct vfsmount *mnt, int flags)
+{
+	struct path path = { mnt, mnt->mnt_root };
+	return tomoyo_path_perm(TOMOYO_TYPE_UMOUNT, &path);
+}
+
+static int tomoyo_sb_pivotroot(struct path *old_path, struct path *new_path)
+{
+	return tomoyo_path2_perm(TOMOYO_TYPE_PIVOT_ROOT, new_path, old_path);
+}
+
 /*
  * tomoyo_security_ops is a "struct security_operations" which is used for
  * registering TOMOYO.
@@ -198,6 +240,7 @@ static struct security_operations tomoyo_security_ops = {
 	.cred_alloc_blank    = tomoyo_cred_alloc_blank,
 	.cred_prepare        = tomoyo_cred_prepare,
 	.cred_transfer	     = tomoyo_cred_transfer,
+	.cred_free           = tomoyo_cred_free,
 	.bprm_set_creds      = tomoyo_bprm_set_creds,
 	.bprm_check_security = tomoyo_bprm_check_security,
 	.file_fcntl          = tomoyo_file_fcntl,
@@ -210,8 +253,18 @@ static struct security_operations tomoyo_security_ops = {
 	.path_mknod          = tomoyo_path_mknod,
 	.path_link           = tomoyo_path_link,
 	.path_rename         = tomoyo_path_rename,
+	.file_ioctl          = tomoyo_file_ioctl,
+	.path_chmod          = tomoyo_path_chmod,
+	.path_chown          = tomoyo_path_chown,
+	.path_chroot         = tomoyo_path_chroot,
+	.sb_mount            = tomoyo_sb_mount,
+	.sb_umount           = tomoyo_sb_umount,
+	.sb_pivotroot        = tomoyo_sb_pivotroot,
 };
 
+/* Lock for GC. */
+struct srcu_struct tomoyo_ss;
+
 static int __init tomoyo_init(void)
 {
 	struct cred *cred = (struct cred *) current_cred();
@@ -219,7 +272,8 @@ static int __init tomoyo_init(void)
 	if (!security_module_enable(&tomoyo_security_ops))
 		return 0;
 	/* register ourselves with the security framework */
-	if (register_security(&tomoyo_security_ops))
+	if (register_security(&tomoyo_security_ops) ||
+	    init_srcu_struct(&tomoyo_ss))
 		panic("Failure registering TOMOYO Linux");
 	printk(KERN_INFO "TOMOYO Linux initialized\n");
 	cred->security = &tomoyo_kernel_domain;
diff --git a/security/tomoyo/tomoyo.h b/security/tomoyo/tomoyo.h
deleted file mode 100644
index ed758325b1ae..000000000000
--- a/security/tomoyo/tomoyo.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * security/tomoyo/tomoyo.h
- *
- * Implementation of the Domain-Based Mandatory Access Control.
- *
- * Copyright (C) 2005-2009  NTT DATA CORPORATION
- *
- * Version: 2.2.0   2009/04/01
- *
- */
-
-#ifndef _SECURITY_TOMOYO_TOMOYO_H
-#define _SECURITY_TOMOYO_TOMOYO_H
-
-struct tomoyo_path_info;
-struct path;
-struct inode;
-struct linux_binprm;
-struct pt_regs;
-
-int tomoyo_check_exec_perm(struct tomoyo_domain_info *domain,
-			   const struct tomoyo_path_info *filename);
-int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
-				 struct path *path, const int flag);
-int tomoyo_check_1path_perm(struct tomoyo_domain_info *domain,
-			    const u8 operation, struct path *path);
-int tomoyo_check_2path_perm(struct tomoyo_domain_info *domain,
-			    const u8 operation, struct path *path1,
-			    struct path *path2);
-int tomoyo_check_rewrite_permission(struct tomoyo_domain_info *domain,
-				    struct file *filp);
-int tomoyo_find_next_domain(struct linux_binprm *bprm);
-
-/* Index numbers for Access Controls. */
-
-#define TOMOYO_TYPE_SINGLE_PATH_ACL                 0
-#define TOMOYO_TYPE_DOUBLE_PATH_ACL                 1
-
-/* Index numbers for File Controls. */
-
-/*
- * TYPE_READ_WRITE_ACL is special. TYPE_READ_WRITE_ACL is automatically set
- * if both TYPE_READ_ACL and TYPE_WRITE_ACL are set. Both TYPE_READ_ACL and
- * TYPE_WRITE_ACL are automatically set if TYPE_READ_WRITE_ACL is set.
- * TYPE_READ_WRITE_ACL is automatically cleared if either TYPE_READ_ACL or
- * TYPE_WRITE_ACL is cleared. Both TYPE_READ_ACL and TYPE_WRITE_ACL are
- * automatically cleared if TYPE_READ_WRITE_ACL is cleared.
- */
-
-#define TOMOYO_TYPE_READ_WRITE_ACL    0
-#define TOMOYO_TYPE_EXECUTE_ACL       1
-#define TOMOYO_TYPE_READ_ACL          2
-#define TOMOYO_TYPE_WRITE_ACL         3
-#define TOMOYO_TYPE_CREATE_ACL        4
-#define TOMOYO_TYPE_UNLINK_ACL        5
-#define TOMOYO_TYPE_MKDIR_ACL         6
-#define TOMOYO_TYPE_RMDIR_ACL         7
-#define TOMOYO_TYPE_MKFIFO_ACL        8
-#define TOMOYO_TYPE_MKSOCK_ACL        9
-#define TOMOYO_TYPE_MKBLOCK_ACL      10
-#define TOMOYO_TYPE_MKCHAR_ACL       11
-#define TOMOYO_TYPE_TRUNCATE_ACL     12
-#define TOMOYO_TYPE_SYMLINK_ACL      13
-#define TOMOYO_TYPE_REWRITE_ACL      14
-#define TOMOYO_MAX_SINGLE_PATH_OPERATION 15
-
-#define TOMOYO_TYPE_LINK_ACL         0
-#define TOMOYO_TYPE_RENAME_ACL       1
-#define TOMOYO_MAX_DOUBLE_PATH_OPERATION 2
-
-#define TOMOYO_DOMAINPOLICY          0
-#define TOMOYO_EXCEPTIONPOLICY       1
-#define TOMOYO_DOMAIN_STATUS         2
-#define TOMOYO_PROCESS_STATUS        3
-#define TOMOYO_MEMINFO               4
-#define TOMOYO_SELFDOMAIN            5
-#define TOMOYO_VERSION               6
-#define TOMOYO_PROFILE               7
-#define TOMOYO_MANAGER               8
-
-extern struct tomoyo_domain_info tomoyo_kernel_domain;
-
-static inline struct tomoyo_domain_info *tomoyo_domain(void)
-{
-	return current_cred()->security;
-}
-
-static inline struct tomoyo_domain_info *tomoyo_real_domain(struct task_struct
-							    *task)
-{
-	return task_cred_xxx(task, security);
-}
-
-#endif /* !defined(_SECURITY_TOMOYO_TOMOYO_H) */
diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c
index 6fdca97186e7..88eec3847df2 100644
--- a/sound/arm/pxa2xx-ac97-lib.c
+++ b/sound/arm/pxa2xx-ac97-lib.c
@@ -22,7 +22,6 @@
 
 #include <asm/irq.h>
 #include <mach/regs-ac97.h>
-#include <mach/pxa2xx-gpio.h>
 #include <mach/audio.h>
 
 static DEFINE_MUTEX(car_mutex);
@@ -32,6 +31,8 @@ static struct clk *ac97_clk;
 static struct clk *ac97conf_clk;
 static int reset_gpio;
 
+extern void pxa27x_assert_ac97reset(int reset_gpio, int on);
+
 /*
  * Beware PXA27x bugs:
  *
@@ -42,45 +43,6 @@ static int reset_gpio;
  * 1 jiffy timeout if interrupt never comes).
  */
 
-enum {
-	RESETGPIO_FORCE_HIGH,
-	RESETGPIO_FORCE_LOW,
-	RESETGPIO_NORMAL_ALTFUNC
-};
-
-/**
- * set_resetgpio_mode - computes and sets the AC97_RESET gpio mode on PXA
- * @mode: chosen action
- *
- * As the PXA27x CPUs suffer from a AC97 bug, a manual control of the reset line
- * must be done to insure proper work of AC97 reset line.  This function
- * computes the correct gpio_mode for further use by reset functions, and
- * applied the change through pxa_gpio_mode.
- */
-static void set_resetgpio_mode(int resetgpio_action)
-{
-	int mode = 0;
-
-	if (reset_gpio)
-		switch (resetgpio_action) {
-		case RESETGPIO_NORMAL_ALTFUNC:
-			if (reset_gpio == 113)
-				mode = 113 | GPIO_ALT_FN_2_OUT;
-			if (reset_gpio == 95)
-				mode = 95 | GPIO_ALT_FN_1_OUT;
-			break;
-		case RESETGPIO_FORCE_LOW:
-			mode = reset_gpio | GPIO_OUT | GPIO_DFLT_LOW;
-			break;
-		case RESETGPIO_FORCE_HIGH:
-			mode = reset_gpio | GPIO_OUT | GPIO_DFLT_HIGH;
-			break;
-		};
-
-	if (mode)
-		pxa_gpio_mode(mode);
-}
-
 unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97, unsigned short reg)
 {
 	unsigned short val = -1;
@@ -174,12 +136,11 @@ static inline void pxa_ac97_warm_pxa27x(void)
 {
 	gsr_bits = 0;
 
-	/* warm reset broken on Bulverde,
-	   so manually keep AC97 reset high */
-	set_resetgpio_mode(RESETGPIO_FORCE_HIGH);
+	/* warm reset broken on Bulverde, so manually keep AC97 reset high */
+	pxa27x_assert_ac97reset(reset_gpio, 1);
 	udelay(10);
 	GCR |= GCR_WARM_RST;
-	set_resetgpio_mode(RESETGPIO_NORMAL_ALTFUNC);
+	pxa27x_assert_ac97reset(reset_gpio, 0);
 	udelay(500);
 }
 
@@ -345,16 +306,6 @@ EXPORT_SYMBOL_GPL(pxa2xx_ac97_hw_suspend);
 
 int pxa2xx_ac97_hw_resume(void)
 {
-	if (cpu_is_pxa25x() || cpu_is_pxa27x()) {
-		pxa_gpio_mode(GPIO31_SYNC_AC97_MD);
-		pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD);
-		pxa_gpio_mode(GPIO28_BITCLK_AC97_MD);
-		pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD);
-	}
-	if (cpu_is_pxa27x()) {
-		/* Use GPIO 113 or 95 as AC97 Reset on Bulverde */
-		set_resetgpio_mode(RESETGPIO_NORMAL_ALTFUNC);
-	}
 	clk_enable(ac97_clk);
 	return 0;
 }
@@ -386,16 +337,9 @@ int __devinit pxa2xx_ac97_hw_probe(struct platform_device *dev)
 			reset_gpio = 113;
 	}
 
-	if (cpu_is_pxa25x() || cpu_is_pxa27x()) {
-		pxa_gpio_mode(GPIO31_SYNC_AC97_MD);
-		pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD);
-		pxa_gpio_mode(GPIO28_BITCLK_AC97_MD);
-		pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD);
-	}
-
 	if (cpu_is_pxa27x()) {
 		/* Use GPIO 113 as AC97 Reset on Bulverde */
-		set_resetgpio_mode(RESETGPIO_NORMAL_ALTFUNC);
+		pxa27x_assert_ac97reset(reset_gpio, 0);
 		ac97conf_clk = clk_get(&dev->dev, "AC97CONFCLK");
 		if (IS_ERR(ac97conf_clk)) {
 			ret = PTR_ERR(ac97conf_clk);
diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
index 743ac6a29065..fd51fa8b06a1 100644
--- a/sound/arm/pxa2xx-pcm-lib.c
+++ b/sound/arm/pxa2xx-pcm-lib.c
@@ -205,6 +205,7 @@ int __pxa2xx_pcm_open(struct snd_pcm_substream *substream)
 	if (!rtd->dma_desc_array)
 		goto err1;
 
+	rtd->dma_ch = -1;
 	runtime->private_data = rtd;
 	return 0;
 
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index b546ac2660f9..a2ff86189d2a 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -148,6 +148,9 @@ static void pcm_debug_name(struct snd_pcm_substream *substream,
 
 #define xrun_debug(substream, mask) \
 			((substream)->pstr->xrun_debug & (mask))
+#else
+#define xrun_debug(substream, mask)	0
+#endif
 
 #define dump_stack_on_xrun(substream) do {			\
 		if (xrun_debug(substream, XRUN_DEBUG_STACK))	\
@@ -169,6 +172,7 @@ static void xrun(struct snd_pcm_substream *substream)
 	}
 }
 
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
 #define hw_ptr_error(substream, fmt, args...)				\
 	do {								\
 		if (xrun_debug(substream, XRUN_DEBUG_BASIC)) {		\
@@ -255,8 +259,6 @@ static void xrun_log_show(struct snd_pcm_substream *substream)
 
 #else /* ! CONFIG_SND_PCM_XRUN_DEBUG */
 
-#define xrun_debug(substream, mask)	0
-#define xrun(substream)			do { } while (0)
 #define hw_ptr_error(substream, fmt, args...) do { } while (0)
 #define xrun_log(substream, pos)	do { } while (0)
 #define xrun_log_show(substream)	do { } while (0)
diff --git a/sound/core/timer.c b/sound/core/timer.c
index 8f8b17ac074d..73943651caed 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -393,7 +393,7 @@ static void snd_timer_notify1(struct snd_timer_instance *ti, int event)
 	    event == SNDRV_TIMER_EVENT_CONTINUE)
 		resolution = snd_timer_resolution(ti);
 	if (ti->ccallback)
-		ti->ccallback(ti, SNDRV_TIMER_EVENT_START, &tstamp, resolution);
+		ti->ccallback(ti, event, &tstamp, resolution);
 	if (ti->flags & SNDRV_TIMER_IFLG_SLAVE)
 		return;
 	timer = ti->timer;
diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c
index b865e45a8f9b..5913717c1be6 100644
--- a/sound/isa/opti9xx/miro.c
+++ b/sound/isa/opti9xx/miro.c
@@ -1558,7 +1558,7 @@ static int __devinit snd_card_miro_pnp(struct snd_miro *chip,
 
 	err = pnp_activate_dev(devmc);
 	if (err < 0) {
-		snd_printk(KERN_ERR "OPL syntg pnp configure failure: %d\n",
+		snd_printk(KERN_ERR "MC pnp configure failure: %d\n",
 				    err);
 		return err;
 	}
diff --git a/sound/isa/opti9xx/opti92x-ad1848.c b/sound/isa/opti9xx/opti92x-ad1848.c
index a4af53b5c1cf..4d2d0405bdc7 100644
--- a/sound/isa/opti9xx/opti92x-ad1848.c
+++ b/sound/isa/opti9xx/opti92x-ad1848.c
@@ -144,12 +144,8 @@ struct snd_opti9xx {
 
 	spinlock_t lock;
 
+	long wss_base;
 	int irq;
-
-#ifdef CONFIG_PNP
-	struct pnp_dev *dev;
-	struct pnp_dev *devmpu;
-#endif	/* CONFIG_PNP */
 };
 
 static int snd_opti9xx_pnp_is_probed;
@@ -159,12 +155,17 @@ static int snd_opti9xx_pnp_is_probed;
 static struct pnp_card_device_id snd_opti9xx_pnpids[] = {
 #ifndef OPTi93X
 	/* OPTi 82C924 */
-	{ .id = "OPT0924", .devs = { { "OPT0000" }, { "OPT0002" } }, .driver_data = 0x0924 },
+	{ .id = "OPT0924",
+	  .devs = { { "OPT0000" }, { "OPT0002" }, { "OPT0005" } },
+	  .driver_data = 0x0924 },
 	/* OPTi 82C925 */
-	{ .id = "OPT0925", .devs = { { "OPT9250" }, { "OPT0002" } }, .driver_data = 0x0925 },
+	{ .id = "OPT0925",
+	  .devs = { { "OPT9250" }, { "OPT0002" }, { "OPT0005" } },
+	  .driver_data = 0x0925 },
 #else
 	/* OPTi 82C931/3 */
-	{ .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } }, .driver_data = 0x0931 },
+	{ .id = "OPT0931", .devs = { { "OPT9310" }, { "OPT0002" } },
+	  .driver_data = 0x0931 },
 #endif	/* OPTi93X */
 	{ .id = "" }
 };
@@ -207,24 +208,35 @@ static int __devinit snd_opti9xx_init(struct snd_opti9xx *chip,
 	chip->hardware = hardware;
 	strcpy(chip->name, snd_opti9xx_names[hardware]);
 
-	chip->mc_base_size = opti9xx_mc_size[hardware];  
-
 	spin_lock_init(&chip->lock);
 
 	chip->irq = -1;
 
+#ifndef OPTi93X
+#ifdef CONFIG_PNP
+	if (isapnp && chip->mc_base)
+		/* PnP resource gives the least 10 bits */
+		chip->mc_base |= 0xc00;
+	else
+#endif	/* CONFIG_PNP */
+	{
+		chip->mc_base = 0xf8c;
+		chip->mc_base_size = opti9xx_mc_size[hardware];
+	}
+#else
+		chip->mc_base_size = opti9xx_mc_size[hardware];
+#endif
+
 	switch (hardware) {
 #ifndef OPTi93X
 	case OPTi9XX_HW_82C928:
 	case OPTi9XX_HW_82C929:
-		chip->mc_base = 0xf8c;
 		chip->password = (hardware == OPTi9XX_HW_82C928) ? 0xe2 : 0xe3;
 		chip->pwd_reg = 3;
 		break;
 
 	case OPTi9XX_HW_82C924:
 	case OPTi9XX_HW_82C925:
-		chip->mc_base = 0xf8c;
 		chip->password = 0xe5;
 		chip->pwd_reg = 3;
 		break;
@@ -292,7 +304,7 @@ static unsigned char snd_opti9xx_read(struct snd_opti9xx *chip,
 	spin_unlock_irqrestore(&chip->lock, flags);
 	return retval;
 }
-	
+
 static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
 			      unsigned char value)
 {
@@ -341,7 +353,7 @@ static void snd_opti9xx_write(struct snd_opti9xx *chip, unsigned char reg,
 
 
 static int __devinit snd_opti9xx_configure(struct snd_opti9xx *chip,
-					   long wss_base,
+					   long port,
 					   int irq, int dma1, int dma2,
 					   long mpu_port, int mpu_irq)
 {
@@ -354,16 +366,23 @@ static int __devinit snd_opti9xx_configure(struct snd_opti9xx *chip,
 	switch (chip->hardware) {
 #ifndef OPTi93X
 	case OPTi9XX_HW_82C924:
+		/* opti 929 mode (?), OPL3 clock output, audio enable */
 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(4), 0xf0, 0xfc);
+		/* enable wave audio */
 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(6), 0x02, 0x02);
 
 	case OPTi9XX_HW_82C925:
+		/* enable WSS mode */
 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), 0x80, 0x80);
+		/* OPL3 FM synthesis */
 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(2), 0x00, 0x20);
+		/* disable Sound Blaster IRQ and DMA */
 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(3), 0xf0, 0xff);
 #ifdef CS4231
+		/* cs4231/4248 fix enabled */
 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x02, 0x02);
 #else
+		/* cs4231/4248 fix disabled */
 		snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(5), 0x00, 0x02);
 #endif	/* CS4231 */
 		break;
@@ -411,21 +430,26 @@ static int __devinit snd_opti9xx_configure(struct snd_opti9xx *chip,
 		return -EINVAL;
 	}
 
-	switch (wss_base) {
-	case 0x530:
+	/* PnP resource says it decodes only 10 bits of address */
+	switch (port & 0x3ff) {
+	case 0x130:
+		chip->wss_base = 0x530;
 		wss_base_bits = 0x00;
 		break;
-	case 0x604:
+	case 0x204:
+		chip->wss_base = 0x604;
 		wss_base_bits = 0x03;
 		break;
-	case 0xe80:
+	case 0x280:
+		chip->wss_base = 0xe80;
 		wss_base_bits = 0x01;
 		break;
-	case 0xf40:
+	case 0x340:
+		chip->wss_base = 0xf40;
 		wss_base_bits = 0x02;
 		break;
 	default:
-		snd_printk(KERN_WARNING "WSS port 0x%lx not valid\n", wss_base);
+		snd_printk(KERN_WARNING "WSS port 0x%lx not valid\n", port);
 		goto __skip_base;
 	}
 	snd_opti9xx_write_mask(chip, OPTi9XX_MC_REG(1), wss_base_bits << 4, 0x30);
@@ -487,7 +511,7 @@ __skip_base:
 #endif	/* CS4231 || OPTi93X */
 
 #ifndef OPTi93X
-	 outb(irq_bits << 3 | dma_bits, wss_base);
+	 outb(irq_bits << 3 | dma_bits, chip->wss_base);
 #else /* OPTi93X */
 	snd_opti9xx_write(chip, OPTi9XX_MC_REG(3), (irq_bits << 3 | dma_bits));
 #endif /* OPTi93X */
@@ -729,15 +753,15 @@ static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
 {
 	struct pnp_dev *pdev;
 	int err;
+	struct pnp_dev *devmpu;
+#ifndef OPTi93X
+	struct pnp_dev *devmc;
+#endif
 
-	chip->dev = pnp_request_card_device(card, pid->devs[0].id, NULL);
-	if (chip->dev == NULL)
+	pdev = pnp_request_card_device(card, pid->devs[0].id, NULL);
+	if (pdev == NULL)
 		return -EBUSY;
 
-	chip->devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
-
-	pdev = chip->dev;
-
 	err = pnp_activate_dev(pdev);
 	if (err < 0) {
 		snd_printk(KERN_ERR "AUDIO pnp configure failure: %d\n", err);
@@ -750,9 +774,24 @@ static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
 	chip->mc_indir_index = pnp_port_start(pdev, 3) + 2;
 	chip->mc_indir_size = pnp_port_len(pdev, 3) - 2;
 #else
-	if (pid->driver_data != 0x0924)
-		port = pnp_port_start(pdev, 1);
+	devmc = pnp_request_card_device(card, pid->devs[2].id, NULL);
+	if (devmc == NULL)
+		return -EBUSY;
+
+	err = pnp_activate_dev(devmc);
+	if (err < 0) {
+		snd_printk(KERN_ERR "MC pnp configure failure: %d\n", err);
+		return err;
+	}
+
+	port = pnp_port_start(pdev, 1);
 	fm_port = pnp_port_start(pdev, 2) + 8;
+	/*
+	 * The MC(0) is never accessed and card does not
+	 * include it in the PnP resource range. OPTI93x include it.
+	 */
+	chip->mc_base = pnp_port_start(devmc, 0) - 1;
+	chip->mc_base_size = pnp_port_len(devmc, 0) + 1;
 #endif	/* OPTi93X */
 	irq = pnp_irq(pdev, 0);
 	dma1 = pnp_dma(pdev, 0);
@@ -760,16 +799,16 @@ static int __devinit snd_card_opti9xx_pnp(struct snd_opti9xx *chip,
 	dma2 = pnp_dma(pdev, 1);
 #endif	/* CS4231 || OPTi93X */
 
-	pdev = chip->devmpu;
-	if (pdev && mpu_port > 0) {
-		err = pnp_activate_dev(pdev);
+	devmpu = pnp_request_card_device(card, pid->devs[1].id, NULL);
+
+	if (devmpu && mpu_port > 0) {
+		err = pnp_activate_dev(devmpu);
 		if (err < 0) {
-			snd_printk(KERN_ERR "AUDIO pnp configure failure\n");
+			snd_printk(KERN_ERR "MPU401 pnp configure failure\n");
 			mpu_port = -1;
-			chip->devmpu = NULL;
 		} else {
-			mpu_port = pnp_port_start(pdev, 0);
-			mpu_irq = pnp_irq(pdev, 0);
+			mpu_port = pnp_port_start(devmpu, 0);
+			mpu_irq = pnp_irq(devmpu, 0);
 		}
 	}
 	return pid->driver_data;
@@ -824,7 +863,7 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card)
 	if (error)
 		return error;
 
-	error = snd_wss_create(card, port + 4, -1, irq, dma1, xdma2,
+	error = snd_wss_create(card, chip->wss_base + 4, -1, irq, dma1, xdma2,
 #ifdef OPTi93X
 			       WSS_HW_OPTI93X, WSS_HWSHARE_IRQ,
 #else
@@ -865,10 +904,11 @@ static int __devinit snd_opti9xx_probe(struct snd_card *card)
 	sprintf(card->shortname, "OPTi %s", card->driver);
 #if defined(CS4231) || defined(OPTi93X)
 	sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d&%d",
-		card->shortname, pcm->name, port + 4, irq, dma1, xdma2);
+		card->shortname, pcm->name,
+		chip->wss_base + 4, irq, dma1, xdma2);
 #else
 	sprintf(card->longname, "%s, %s at 0x%lx, irq %d, dma %d",
-		card->shortname, pcm->name, port + 4, irq, dma1);
+		card->shortname, pcm->name, chip->wss_base + 4, irq, dma1);
 #endif	/* CS4231 || OPTi93X */
 
 	if (mpu_port <= 0 || mpu_port == SNDRV_AUTO_PORT)
@@ -1062,9 +1102,6 @@ static int __devinit snd_opti9xx_pnp_probe(struct pnp_card_link *pcard,
 		snd_card_free(card);
 		return error;
 	}
-	if (hw <= OPTi9XX_HW_82C930)
-		chip->mc_base -= 0x80;
-
 	error = snd_opti9xx_read_check(chip);
 	if (error) {
 		snd_printk(KERN_ERR "OPTI chip not found\n");
diff --git a/sound/isa/sb/jazz16.c b/sound/isa/sb/jazz16.c
index 8d21a3feda3a..8ccbcddf08e1 100644
--- a/sound/isa/sb/jazz16.c
+++ b/sound/isa/sb/jazz16.c
@@ -14,6 +14,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/io.h>
+#include <linux/delay.h>
 #include <asm/dma.h>
 #include <linux/isa.h>
 #include <sound/core.h>
diff --git a/sound/oss/coproc.h b/sound/oss/coproc.h
index 7306346e9ac4..7bec21bbdd88 100644
--- a/sound/oss/coproc.h
+++ b/sound/oss/coproc.h
@@ -4,7 +4,7 @@
  */
 
 /*
- * Coprocessor access types 
+ * Coprocessor access types
  */
 #define COPR_CUSTOM		0x0001	/* Custom applications */
 #define COPR_MIDI		0x0002	/* MIDI (MPU-401) emulation */
diff --git a/sound/oss/sequencer.c b/sound/oss/sequencer.c
index c79874696bec..e85789e53816 100644
--- a/sound/oss/sequencer.c
+++ b/sound/oss/sequencer.c
@@ -1631,8 +1631,6 @@ unsigned long compute_finetune(unsigned long base_freq, int bend, int range,
 	}
 
 	semitones = bend / 100;
-	if (semitones > 99)
-		semitones = 99;
 	cents = bend % 100;
 
 	amount = (int) (semitone_tuning[semitones] * multiplier * cent_tuning[cents]) / 10000;
diff --git a/sound/oss/v_midi.h b/sound/oss/v_midi.h
index 1b86cb45c607..08e2185ee816 100644
--- a/sound/oss/v_midi.h
+++ b/sound/oss/v_midi.h
@@ -2,9 +2,9 @@ typedef struct vmidi_devc {
 	   int dev;
 
 	/* State variables */
- 	   int opened;
+	   int opened;
 	   spinlock_t lock;
-	
+
 	/* MIDI fields */
 	   int my_mididev;
 	   int pair_mididev;
@@ -12,4 +12,3 @@ typedef struct vmidi_devc {
 	   int intr_active;
 	   void (*midi_input_intr) (int dev, unsigned char data);
 	} vmidi_devc;
-
diff --git a/sound/oss/vidc.c b/sound/oss/vidc.c
index 725fef0f59a3..a4127bab9231 100644
--- a/sound/oss/vidc.c
+++ b/sound/oss/vidc.c
@@ -363,13 +363,13 @@ static void vidc_audio_trigger(int dev, int enable_bits)
 	struct audio_operations *adev = audio_devs[dev];
 
 	if (enable_bits & PCM_ENABLE_OUTPUT) {
-		if (!(adev->flags & DMA_ACTIVE)) {
+		if (!(adev->dmap_out->flags & DMA_ACTIVE)) {
 			unsigned long flags;
 
 			local_irq_save(flags);
 
 			/* prevent recusion */
-			adev->flags |= DMA_ACTIVE;
+			adev->dmap_out->flags |= DMA_ACTIVE;
 
 			dma_interrupt = vidc_audio_dma_interrupt;
 			vidc_sound_dma_irq(0, NULL);
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 1caf5e3c1f6a..e68c98ef4041 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -1852,12 +1852,14 @@ static unsigned int ad1981_jacks_blacklist[] = {
 	0x10140523, /* Thinkpad R40 */
 	0x10140534, /* Thinkpad X31 */
 	0x10140537, /* Thinkpad T41p */
+	0x1014053e, /* Thinkpad R40e */
 	0x10140554, /* Thinkpad T42p/R50p */
 	0x10140567, /* Thinkpad T43p 2668-G7U */
 	0x10140581, /* Thinkpad X41-2527 */
 	0x10280160, /* Dell Dimension 2400 */
 	0x104380b0, /* Asus A7V8X-MX */
 	0x11790241, /* Toshiba Satellite A-15 S127 */
+	0x1179ff10, /* Toshiba P500 */
 	0x144dc01a, /* Samsung NP-X20C004/SEG */
 	0 /* end */
 };
diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index 1ded64e05643..329968edca9b 100644
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -941,13 +941,21 @@ static snd_pcm_uframes_t snd_cmipci_pcm_pointer(struct cmipci *cm, struct cmipci
 						struct snd_pcm_substream *substream)
 {
 	size_t ptr;
-	unsigned int reg;
+	unsigned int reg, rem, tries;
+
 	if (!rec->running)
 		return 0;
 #if 1 // this seems better..
 	reg = rec->ch ? CM_REG_CH1_FRAME2 : CM_REG_CH0_FRAME2;
-	ptr = rec->dma_size - (snd_cmipci_read_w(cm, reg) + 1);
-	ptr >>= rec->shift;
+	for (tries = 0; tries < 3; tries++) {
+		rem = snd_cmipci_read_w(cm, reg);
+		if (rem < rec->dma_size)
+			goto ok;
+	} 
+	printk(KERN_ERR "cmipci: invalid PCM pointer: %#x\n", rem);
+	return SNDRV_PCM_POS_XRUN;
+ok:
+	ptr = (rec->dma_size - (rem + 1)) >> rec->shift;
 #else
 	reg = rec->ch ? CM_REG_CH1_FRAME1 : CM_REG_CH0_FRAME1;
 	ptr = snd_cmipci_read(cm, reg) - rec->offset;
diff --git a/sound/pci/hda/Kconfig b/sound/pci/hda/Kconfig
index 556cff937be7..567348b05b5a 100644
--- a/sound/pci/hda/Kconfig
+++ b/sound/pci/hda/Kconfig
@@ -157,7 +157,7 @@ config SND_HDA_CODEC_INTELHDMI
 
 config SND_HDA_ELD
 	def_bool y
-	depends on SND_HDA_CODEC_INTELHDMI
+	depends on SND_HDA_CODEC_INTELHDMI || SND_HDA_CODEC_NVHDMI
 
 config SND_HDA_CODEC_CIRRUS
 	bool "Build Cirrus Logic codec support"
diff --git a/sound/pci/hda/Makefile b/sound/pci/hda/Makefile
index 315a1c4f8998..24bc195b02da 100644
--- a/sound/pci/hda/Makefile
+++ b/sound/pci/hda/Makefile
@@ -3,7 +3,7 @@ snd-hda-intel-objs := hda_intel.o
 snd-hda-codec-y := hda_codec.o
 snd-hda-codec-$(CONFIG_SND_HDA_GENERIC) += hda_generic.o
 snd-hda-codec-$(CONFIG_PROC_FS) += hda_proc.o
-# snd-hda-codec-$(CONFIG_SND_HDA_ELD) += hda_eld.o
+snd-hda-codec-$(CONFIG_SND_HDA_ELD) += hda_eld.o
 snd-hda-codec-$(CONFIG_SND_HDA_HWDEP) += hda_hwdep.o
 snd-hda-codec-$(CONFIG_SND_HDA_INPUT_BEEP) += hda_beep.o
 
@@ -18,7 +18,7 @@ snd-hda-codec-ca0110-objs :=	patch_ca0110.o
 snd-hda-codec-conexant-objs :=	patch_conexant.o
 snd-hda-codec-via-objs :=	patch_via.o
 snd-hda-codec-nvhdmi-objs :=	patch_nvhdmi.o
-snd-hda-codec-intelhdmi-objs :=	patch_intelhdmi.o hda_eld.o
+snd-hda-codec-intelhdmi-objs :=	patch_intelhdmi.o
 
 # common driver
 obj-$(CONFIG_SND_HDA_INTEL) := snd-hda-codec.o
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 76d3c4c049db..0e76ac2b2ace 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -978,8 +978,9 @@ static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
  *
  * Returns 0 if successful, or a negative error code.
  */
-int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
-				    struct hda_codec **codecp)
+int /*__devinit*/ snd_hda_codec_new(struct hda_bus *bus,
+				unsigned int codec_addr,
+				struct hda_codec **codecp)
 {
 	struct hda_codec *codec;
 	char component[31];
@@ -1186,7 +1187,7 @@ EXPORT_SYMBOL_HDA(snd_hda_codec_cleanup_stream);
  */
 
 /* FIXME: more better hash key? */
-#define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
+#define HDA_HASH_KEY(nid, dir, idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24))
 #define HDA_HASH_PINCAP_KEY(nid) (u32)((nid) + (0x02 << 24))
 #define HDA_HASH_PARPCM_KEY(nid) (u32)((nid) + (0x03 << 24))
 #define HDA_HASH_PARSTR_KEY(nid) (u32)((nid) + (0x04 << 24))
@@ -1356,7 +1357,8 @@ u32 snd_hda_pin_sense(struct hda_codec *codec, hda_nid_t nid)
 	if (!codec->no_trigger_sense) {
 		pincap = snd_hda_query_pin_caps(codec, nid);
 		if (pincap & AC_PINCAP_TRIG_REQ) /* need trigger? */
-			snd_hda_codec_read(codec, nid, 0, AC_VERB_SET_PIN_SENSE, 0);
+			snd_hda_codec_read(codec, nid, 0,
+					AC_VERB_SET_PIN_SENSE, 0);
 	}
 	return snd_hda_codec_read(codec, nid, 0,
 				  AC_VERB_GET_PIN_SENSE, 0);
@@ -1372,8 +1374,8 @@ EXPORT_SYMBOL_HDA(snd_hda_pin_sense);
  */
 int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid)
 {
-        u32 sense = snd_hda_pin_sense(codec, nid);
-        return !!(sense & AC_PINSENSE_PRESENCE);
+	u32 sense = snd_hda_pin_sense(codec, nid);
+	return !!(sense & AC_PINSENSE_PRESENCE);
 }
 EXPORT_SYMBOL_HDA(snd_hda_jack_detect);
 
@@ -1804,6 +1806,8 @@ int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl,
 		item->nid = nid;
 		return 0;
 	}
+	printk(KERN_ERR "hda-codec: no NID for mapping control %s:%d:%d\n",
+	       kctl->id.name, kctl->id.index, index);
 	return -EINVAL;
 }
 EXPORT_SYMBOL_HDA(snd_hda_add_nid);
@@ -1952,7 +1956,7 @@ int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
 	err = snd_hda_ctl_add(codec, 0, kctl);
 	if (err < 0)
 		return err;
-	
+
 	for (s = slaves; *s; s++) {
 		struct snd_kcontrol *sctl;
 		int i = 0;
@@ -2439,27 +2443,27 @@ static struct snd_kcontrol_new dig_mixes[] = {
 	{
 		.access = SNDRV_CTL_ELEM_ACCESS_READ,
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK),
+		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, CON_MASK),
 		.info = snd_hda_spdif_mask_info,
 		.get = snd_hda_spdif_cmask_get,
 	},
 	{
 		.access = SNDRV_CTL_ELEM_ACCESS_READ,
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK),
+		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, PRO_MASK),
 		.info = snd_hda_spdif_mask_info,
 		.get = snd_hda_spdif_pmask_get,
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, DEFAULT),
 		.info = snd_hda_spdif_mask_info,
 		.get = snd_hda_spdif_default_get,
 		.put = snd_hda_spdif_default_put,
 	},
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH),
+		.name = SNDRV_CTL_NAME_IEC958("", PLAYBACK, SWITCH),
 		.info = snd_hda_spdif_out_switch_info,
 		.get = snd_hda_spdif_out_switch_get,
 		.put = snd_hda_spdif_out_switch_put,
@@ -2610,7 +2614,7 @@ static int snd_hda_spdif_in_status_get(struct snd_kcontrol *kcontrol,
 static struct snd_kcontrol_new dig_in_ctls[] = {
 	{
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH),
+		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, SWITCH),
 		.info = snd_hda_spdif_in_switch_info,
 		.get = snd_hda_spdif_in_switch_get,
 		.put = snd_hda_spdif_in_switch_put,
@@ -2618,7 +2622,7 @@ static struct snd_kcontrol_new dig_in_ctls[] = {
 	{
 		.access = SNDRV_CTL_ELEM_ACCESS_READ,
 		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
-		.name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
+		.name = SNDRV_CTL_NAME_IEC958("", CAPTURE, DEFAULT),
 		.info = snd_hda_spdif_mask_info,
 		.get = snd_hda_spdif_in_status_get,
 	},
@@ -2882,8 +2886,8 @@ int /*__devinit*/ snd_hda_build_controls(struct hda_bus *bus)
 	list_for_each_entry(codec, &bus->codec_list, list) {
 		int err = snd_hda_codec_build_controls(codec);
 		if (err < 0) {
-			printk(KERN_ERR "hda_codec: cannot build controls"
-			       "for #%d (error %d)\n", codec->addr, err); 
+			printk(KERN_ERR "hda_codec: cannot build controls "
+			       "for #%d (error %d)\n", codec->addr, err);
 			err = snd_hda_codec_reset(codec);
 			if (err < 0) {
 				printk(KERN_ERR
@@ -2979,8 +2983,12 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate,
 	val |= channels - 1;
 
 	switch (snd_pcm_format_width(format)) {
-	case 8:  val |= 0x00; break;
-	case 16: val |= 0x10; break;
+	case 8:
+		val |= 0x00;
+		break;
+	case 16:
+		val |= 0x10;
+		break;
 	case 20:
 	case 24:
 	case 32:
@@ -3298,7 +3306,8 @@ static int get_empty_pcm_device(struct hda_bus *bus, int type)
 		if (!test_and_set_bit(audio_idx[type][i], bus->pcm_dev_bits))
 			return audio_idx[type][i];
 
-	snd_printk(KERN_WARNING "Too many %s devices\n", snd_hda_pcm_type_name[type]);
+	snd_printk(KERN_WARNING "Too many %s devices\n",
+		snd_hda_pcm_type_name[type]);
 	return -EAGAIN;
 }
 
@@ -3336,7 +3345,7 @@ int snd_hda_codec_build_pcms(struct hda_codec *codec)
 		err = codec->patch_ops.build_pcms(codec);
 		if (err < 0) {
 			printk(KERN_ERR "hda_codec: cannot build PCMs"
-			       "for #%d (error %d)\n", codec->addr, err); 
+			       "for #%d (error %d)\n", codec->addr, err);
 			err = snd_hda_codec_reset(codec);
 			if (err < 0) {
 				printk(KERN_ERR
@@ -3466,8 +3475,8 @@ EXPORT_SYMBOL_HDA(snd_hda_check_board_config);
 
 /**
  * snd_hda_check_board_codec_sid_config - compare the current codec
-				          subsystem ID with the
-					  config table
+					subsystem ID with the
+					config table
 
 	   This is important for Gateway notebooks with SB450 HDA Audio
 	   where the vendor ID of the PCI device is:
@@ -3607,7 +3616,7 @@ void snd_hda_update_power_acct(struct hda_codec *codec)
  *
  * Increment the power-up counter and power up the hardware really when
  * not turned on yet.
- */ 
+ */
 void snd_hda_power_up(struct hda_codec *codec)
 {
 	struct hda_bus *bus = codec->bus;
@@ -3636,7 +3645,7 @@ EXPORT_SYMBOL_HDA(snd_hda_power_up);
  *
  * Decrement the power-up counter and schedules the power-off work if
  * the counter rearches to zero.
- */ 
+ */
 void snd_hda_power_down(struct hda_codec *codec)
 {
 	--codec->power_count;
@@ -3662,7 +3671,7 @@ EXPORT_SYMBOL_HDA(snd_hda_power_down);
  *
  * This function is supposed to be set or called from the check_power_status
  * patch ops.
- */ 
+ */
 int snd_hda_check_amp_list_power(struct hda_codec *codec,
 				 struct hda_loopback_check *check,
 				 hda_nid_t nid)
@@ -3830,7 +3839,7 @@ static void setup_dig_out_stream(struct hda_codec *codec, hda_nid_t nid,
 {
 	/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
 	if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
-		set_dig_out_convert(codec, nid, 
+		set_dig_out_convert(codec, nid,
 				    codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff,
 				    -1);
 	snd_hda_codec_setup_stream(codec, nid, stream_tag, 0, format);
@@ -4089,13 +4098,13 @@ static int is_in_nid_list(hda_nid_t nid, hda_nid_t *list)
 /*
  * Sort an associated group of pins according to their sequence numbers.
  */
-static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
+static void sort_pins_by_sequence(hda_nid_t *pins, short *sequences,
 				  int num_pins)
 {
 	int i, j;
 	short seq;
 	hda_nid_t nid;
-	
+
 	for (i = 0; i < num_pins; i++) {
 		for (j = i + 1; j < num_pins; j++) {
 			if (sequences[i] > sequences[j]) {
@@ -4123,7 +4132,7 @@ static void sort_pins_by_sequence(hda_nid_t * pins, short * sequences,
  * is detected, one of speaker of HP pins is assigned as the primary
  * output, i.e. to line_out_pins[0].  So, line_outs is always positive
  * if any analog output exists.
- * 
+ *
  * The analog input pins are assigned to input_pins array.
  * The digital input/output pins are assigned to dig_in_pin and dig_out_pin,
  * respectively.
@@ -4186,9 +4195,9 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 		case AC_JACK_SPEAKER:
 			seq = get_defcfg_sequence(def_conf);
 			assoc = get_defcfg_association(def_conf);
-			if (! assoc)
+			if (!assoc)
 				continue;
-			if (! assoc_speaker)
+			if (!assoc_speaker)
 				assoc_speaker = assoc;
 			else if (assoc_speaker != assoc)
 				continue;
@@ -4286,7 +4295,7 @@ int snd_hda_parse_pin_def_config(struct hda_codec *codec,
 			      cfg->speaker_outs);
 	sort_pins_by_sequence(cfg->hp_pins, sequences_hp,
 			      cfg->hp_outs);
-	
+
 	/* if we have only one mic, make it AUTO_PIN_MIC */
 	if (!cfg->input_pins[AUTO_PIN_MIC] &&
 	    cfg->input_pins[AUTO_PIN_FRONT_MIC]) {
@@ -4436,7 +4445,7 @@ EXPORT_SYMBOL_HDA(snd_hda_resume);
 /**
  * snd_array_new - get a new element from the given array
  * @array: the array object
- * 
+ *
  * Get a new element from the given array.  If it exceeds the
  * pre-allocated array size, re-allocate the array.
  *
diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index 4228f2fe5956..dcd22446cfc7 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -331,6 +331,7 @@ int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid)
 	return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_SIZE,
 						 AC_DIPSIZE_ELD_BUF);
 }
+EXPORT_SYMBOL_HDA(snd_hdmi_get_eld_size);
 
 int snd_hdmi_get_eld(struct hdmi_eld *eld,
 		     struct hda_codec *codec, hda_nid_t nid)
@@ -366,6 +367,7 @@ int snd_hdmi_get_eld(struct hdmi_eld *eld,
 	kfree(buf);
 	return ret;
 }
+EXPORT_SYMBOL_HDA(snd_hdmi_get_eld);
 
 static void hdmi_show_short_audio_desc(struct cea_sad *a)
 {
@@ -404,6 +406,7 @@ void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen)
 	}
 	buf[j] = '\0';	/* necessary when j == 0 */
 }
+EXPORT_SYMBOL_HDA(snd_print_channel_allocation);
 
 void snd_hdmi_show_eld(struct hdmi_eld *e)
 {
@@ -422,6 +425,7 @@ void snd_hdmi_show_eld(struct hdmi_eld *e)
 	for (i = 0; i < e->sad_count; i++)
 		hdmi_show_short_audio_desc(e->sad + i);
 }
+EXPORT_SYMBOL_HDA(snd_hdmi_show_eld);
 
 #ifdef CONFIG_PROC_FS
 
@@ -580,6 +584,7 @@ int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld,
 
 	return 0;
 }
+EXPORT_SYMBOL_HDA(snd_hda_eld_proc_new);
 
 void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld)
 {
@@ -588,5 +593,6 @@ void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld)
 		eld->proc_entry = NULL;
 	}
 }
+EXPORT_SYMBOL_HDA(snd_hda_eld_proc_free);
 
 #endif /* CONFIG_PROC_FS */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index d5c93ad852ee..4bb90675f70f 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -267,7 +267,8 @@ enum { SDI0, SDI1, SDI2, SDI3, SDO0, SDO1, SDO2, SDO3 };
 #define RIRB_INT_MASK		0x05
 
 /* STATESTS int mask: S3,SD2,SD1,SD0 */
-#define AZX_MAX_CODECS		4
+#define AZX_MAX_CODECS		8
+#define AZX_DEFAULT_CODECS	4
 #define STATESTS_INT_MASK	((1 << AZX_MAX_CODECS) - 1)
 
 /* SD_CTL bits */
@@ -1367,6 +1368,7 @@ static void azx_bus_reset(struct hda_bus *bus)
 
 /* number of codec slots for each chipset: 0 = default slots (i.e. 4) */
 static unsigned int azx_max_codecs[AZX_NUM_DRIVERS] __devinitdata = {
+	[AZX_DRIVER_NVIDIA] = 8,
 	[AZX_DRIVER_TERA] = 1,
 };
 
@@ -1399,7 +1401,7 @@ static int __devinit azx_codec_create(struct azx *chip, const char *model)
 	codecs = 0;
 	max_slots = azx_max_codecs[chip->driver_type];
 	if (!max_slots)
-		max_slots = AZX_MAX_CODECS;
+		max_slots = AZX_DEFAULT_CODECS;
 
 	/* First try to probe all given codec slots */
 	for (c = 0; c < max_slots; c++) {
@@ -2263,10 +2265,14 @@ static int azx_dev_free(struct snd_device *device)
 static struct snd_pci_quirk position_fix_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x1028, 0x01cc, "Dell D820", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1028, 0x01de, "Dell Precision 390", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1028, 0x01f6, "Dell Latitude 131L", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x103c, 0x306d, "HP dv3", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1106, 0x3288, "ASUS M2V-MX SE", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1043, 0x813d, "ASUS P5AD2", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1458, 0xa022, "ga-ma770-ud3", POS_FIX_LPIB),
 	SND_PCI_QUIRK(0x1462, 0x1002, "MSI Wind U115", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x1565, 0x820f, "Biostar Microtech", POS_FIX_LPIB),
+	SND_PCI_QUIRK(0x8086, 0xd601, "eMachines T5212", POS_FIX_LPIB),
 	{}
 };
 
@@ -2354,6 +2360,8 @@ static void __devinit check_probe_mask(struct azx *chip, int dev)
 static struct snd_pci_quirk msi_black_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
 	SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
+	SND_PCI_QUIRK(0x1043, 0x822d, "ASUS", 0), /* Athlon64 X2 + nvidia MCP55 */
+	SND_PCI_QUIRK(0x1849, 0x0888, "ASRock", 0), /* Athlon64 X2 + nvidia */
 	{}
 };
 
@@ -2372,6 +2380,13 @@ static void __devinit check_msi(struct azx *chip)
 		       "hda_intel: msi for device %04x:%04x set to %d\n",
 		       q->subvendor, q->subdevice, q->value);
 		chip->msi = q->value;
+		return;
+	}
+
+	/* NVidia chipsets seem to cause troubles with MSI */
+	if (chip->driver_type == AZX_DRIVER_NVIDIA) {
+		printk(KERN_INFO "hda_intel: Disable MSI for Nvidia chipset\n");
+		chip->msi = 0;
 	}
 }
 
@@ -2700,6 +2715,7 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
 	{ PCI_DEVICE(0x8086, 0x3a6e), .driver_data = AZX_DRIVER_ICH },
 	/* PCH */
 	{ PCI_DEVICE(0x8086, 0x3b56), .driver_data = AZX_DRIVER_ICH },
+	{ PCI_DEVICE(0x8086, 0x3b57), .driver_data = AZX_DRIVER_ICH },
 	/* CPT */
 	{ PCI_DEVICE(0x8086, 0x1c20), .driver_data = AZX_DRIVER_PCH },
 	/* SCH */
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 194a28c54992..61682e1d09da 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -1591,6 +1591,21 @@ static int patch_cxt5047(struct hda_codec *codec)
 #endif	
 	}
 	spec->vmaster_nid = 0x13;
+
+	switch (codec->subsystem_id >> 16) {
+	case 0x103c:
+		/* HP laptops have really bad sound over 0 dB on NID 0x10.
+		 * Fix max PCM level to 0 dB (originally it has 0x1e steps
+		 * with 0 dB offset 0x17)
+		 */
+		snd_hda_override_amp_caps(codec, 0x10, HDA_INPUT,
+					  (0x17 << AC_AMPCAP_OFFSET_SHIFT) |
+					  (0x17 << AC_AMPCAP_NUM_STEPS_SHIFT) |
+					  (0x05 << AC_AMPCAP_STEP_SIZE_SHIFT) |
+					  (1 << AC_AMPCAP_MUTE_SHIFT));
+		break;
+	}
+
 	return 0;
 }
 
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
new file mode 100644
index 000000000000..2c2bafbf0258
--- /dev/null
+++ b/sound/pci/hda/patch_hdmi.c
@@ -0,0 +1,849 @@
+/*
+ *
+ *  patch_hdmi.c - routines for HDMI/DisplayPort codecs
+ *
+ *  Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
+ *
+ *  Authors:
+ *			Wu Fengguang <wfg@linux.intel.com>
+ *
+ *  Maintained by:
+ *			Wu Fengguang <wfg@linux.intel.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the Free
+ *  Software Foundation; either version 2 of the License, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ *  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software Foundation,
+ *  Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+
+struct hdmi_spec {
+	int num_cvts;
+	int num_pins;
+	hda_nid_t cvt[MAX_HDMI_CVTS+1];  /* audio sources */
+	hda_nid_t pin[MAX_HDMI_PINS+1];  /* audio sinks */
+
+	/*
+	 * source connection for each pin
+	 */
+	hda_nid_t pin_cvt[MAX_HDMI_PINS+1];
+
+	/*
+	 * HDMI sink attached to each pin
+	 */
+	struct hdmi_eld sink_eld[MAX_HDMI_PINS];
+
+	/*
+	 * export one pcm per pipe
+	 */
+	struct hda_pcm	pcm_rec[MAX_HDMI_CVTS];
+
+	/*
+	 * nvhdmi specific
+	 */
+	struct hda_multi_out multiout;
+	unsigned int codec_type;
+};
+
+
+struct hdmi_audio_infoframe {
+	u8 type; /* 0x84 */
+	u8 ver;  /* 0x01 */
+	u8 len;  /* 0x0a */
+
+	u8 checksum;	/* PB0 */
+	u8 CC02_CT47;	/* CC in bits 0:2, CT in 4:7 */
+	u8 SS01_SF24;
+	u8 CXT04;
+	u8 CA;
+	u8 LFEPBL01_LSV36_DM_INH7;
+	u8 reserved[5];	/* PB6 - PB10 */
+};
+
+/*
+ * CEA speaker placement:
+ *
+ *        FLH       FCH        FRH
+ *  FLW    FL  FLC   FC   FRC   FR   FRW
+ *
+ *                                  LFE
+ *                     TC
+ *
+ *          RL  RLC   RC   RRC   RR
+ *
+ * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
+ * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
+ */
+enum cea_speaker_placement {
+	FL  = (1 <<  0),	/* Front Left           */
+	FC  = (1 <<  1),	/* Front Center         */
+	FR  = (1 <<  2),	/* Front Right          */
+	FLC = (1 <<  3),	/* Front Left Center    */
+	FRC = (1 <<  4),	/* Front Right Center   */
+	RL  = (1 <<  5),	/* Rear Left            */
+	RC  = (1 <<  6),	/* Rear Center          */
+	RR  = (1 <<  7),	/* Rear Right           */
+	RLC = (1 <<  8),	/* Rear Left Center     */
+	RRC = (1 <<  9),	/* Rear Right Center    */
+	LFE = (1 << 10),	/* Low Frequency Effect */
+	FLW = (1 << 11),	/* Front Left Wide      */
+	FRW = (1 << 12),	/* Front Right Wide     */
+	FLH = (1 << 13),	/* Front Left High      */
+	FCH = (1 << 14),	/* Front Center High    */
+	FRH = (1 << 15),	/* Front Right High     */
+	TC  = (1 << 16),	/* Top Center           */
+};
+
+/*
+ * ELD SA bits in the CEA Speaker Allocation data block
+ */
+static int eld_speaker_allocation_bits[] = {
+	[0] = FL | FR,
+	[1] = LFE,
+	[2] = FC,
+	[3] = RL | RR,
+	[4] = RC,
+	[5] = FLC | FRC,
+	[6] = RLC | RRC,
+	/* the following are not defined in ELD yet */
+	[7] = FLW | FRW,
+	[8] = FLH | FRH,
+	[9] = TC,
+	[10] = FCH,
+};
+
+struct cea_channel_speaker_allocation {
+	int ca_index;
+	int speakers[8];
+
+	/* derived values, just for convenience */
+	int channels;
+	int spk_mask;
+};
+
+/*
+ * ALSA sequence is:
+ *
+ *       surround40   surround41   surround50   surround51   surround71
+ * ch0   front left   =            =            =            =
+ * ch1   front right  =            =            =            =
+ * ch2   rear left    =            =            =            =
+ * ch3   rear right   =            =            =            =
+ * ch4                LFE          center       center       center
+ * ch5                                          LFE          LFE
+ * ch6                                                       side left
+ * ch7                                                       side right
+ *
+ * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
+ */
+static int hdmi_channel_mapping[0x32][8] = {
+	/* stereo */
+	[0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
+	/* 2.1 */
+	[0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
+	/* Dolby Surround */
+	[0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
+	/* surround40 */
+	[0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
+	/* 4ch */
+	[0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
+	/* surround41 */
+	[0x09] = { 0x00, 0x11, 0x24, 0x34, 0x43, 0xf2, 0xf6, 0xf7 },
+	/* surround50 */
+	[0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
+	/* surround51 */
+	[0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
+	/* 7.1 */
+	[0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
+};
+
+/*
+ * This is an ordered list!
+ *
+ * The preceding ones have better chances to be selected by
+ * hdmi_setup_channel_allocation().
+ */
+static struct cea_channel_speaker_allocation channel_allocations[] = {
+/*			  channel:   7     6    5    4    3     2    1    0  */
+{ .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } },
+				 /* 2.1 */
+{ .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } },
+				 /* Dolby Surround */
+{ .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } },
+				 /* surround40 */
+{ .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } },
+				 /* surround41 */
+{ .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } },
+				 /* surround50 */
+{ .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } },
+				 /* surround51 */
+{ .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
+				 /* 6.1 */
+{ .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
+				 /* surround71 */
+{ .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
+
+{ .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } },
+{ .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } },
+{ .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } },
+{ .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } },
+{ .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } },
+{ .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } },
+{ .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } },
+{ .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } },
+{ .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } },
+{ .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } },
+{ .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } },
+{ .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } },
+};
+
+
+/*
+ * HDMI routines
+ */
+
+static int hda_node_index(hda_nid_t *nids, hda_nid_t nid)
+{
+	int i;
+
+	for (i = 0; nids[i]; i++)
+		if (nids[i] == nid)
+			return i;
+
+	snd_printk(KERN_WARNING "HDMI: nid %d not registered\n", nid);
+	return -EINVAL;
+}
+
+static void hdmi_get_show_eld(struct hda_codec *codec, hda_nid_t pin_nid,
+			      struct hdmi_eld *eld)
+{
+	if (!snd_hdmi_get_eld(eld, codec, pin_nid))
+		snd_hdmi_show_eld(eld);
+}
+
+#ifdef BE_PARANOID
+static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
+				int *packet_index, int *byte_index)
+{
+	int val;
+
+	val = snd_hda_codec_read(codec, pin_nid, 0,
+				 AC_VERB_GET_HDMI_DIP_INDEX, 0);
+
+	*packet_index = val >> 5;
+	*byte_index = val & 0x1f;
+}
+#endif
+
+static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
+				int packet_index, int byte_index)
+{
+	int val;
+
+	val = (packet_index << 5) | (byte_index & 0x1f);
+
+	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
+}
+
+static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
+				unsigned char val)
+{
+	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
+}
+
+static void hdmi_enable_output(struct hda_codec *codec, hda_nid_t pin_nid)
+{
+	/* Unmute */
+	if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
+		snd_hda_codec_write(codec, pin_nid, 0,
+				AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
+	/* Enable pin out */
+	snd_hda_codec_write(codec, pin_nid, 0,
+			    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
+}
+
+static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t nid)
+{
+	return 1 + snd_hda_codec_read(codec, nid, 0,
+					AC_VERB_GET_CVT_CHAN_COUNT, 0);
+}
+
+static void hdmi_set_channel_count(struct hda_codec *codec,
+				   hda_nid_t nid, int chs)
+{
+	if (chs != hdmi_get_channel_count(codec, nid))
+		snd_hda_codec_write(codec, nid, 0,
+				    AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
+}
+
+
+/*
+ * Channel mapping routines
+ */
+
+/*
+ * Compute derived values in channel_allocations[].
+ */
+static void init_channel_allocations(void)
+{
+	int i, j;
+	struct cea_channel_speaker_allocation *p;
+
+	for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
+		p = channel_allocations + i;
+		p->channels = 0;
+		p->spk_mask = 0;
+		for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
+			if (p->speakers[j]) {
+				p->channels++;
+				p->spk_mask |= p->speakers[j];
+			}
+	}
+}
+
+/*
+ * The transformation takes two steps:
+ *
+ *	eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
+ *	      spk_mask => (channel_allocations[])         => ai->CA
+ *
+ * TODO: it could select the wrong CA from multiple candidates.
+*/
+static int hdmi_setup_channel_allocation(struct hda_codec *codec, hda_nid_t nid,
+					 struct hdmi_audio_infoframe *ai)
+{
+	struct hdmi_spec *spec = codec->spec;
+	struct hdmi_eld *eld;
+	int i;
+	int spk_mask = 0;
+	int channels = 1 + (ai->CC02_CT47 & 0x7);
+	char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
+
+	/*
+	 * CA defaults to 0 for basic stereo audio
+	 */
+	if (channels <= 2)
+		return 0;
+
+	i = hda_node_index(spec->pin_cvt, nid);
+	if (i < 0)
+		return 0;
+	eld = &spec->sink_eld[i];
+
+	/*
+	 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
+	 * in console or for audio devices. Assume the highest speakers
+	 * configuration, to _not_ prohibit multi-channel audio playback.
+	 */
+	if (!eld->spk_alloc)
+		eld->spk_alloc = 0xffff;
+
+	/*
+	 * expand ELD's speaker allocation mask
+	 *
+	 * ELD tells the speaker mask in a compact(paired) form,
+	 * expand ELD's notions to match the ones used by Audio InfoFrame.
+	 */
+	for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
+		if (eld->spk_alloc & (1 << i))
+			spk_mask |= eld_speaker_allocation_bits[i];
+	}
+
+	/* search for the first working match in the CA table */
+	for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
+		if (channels == channel_allocations[i].channels &&
+		    (spk_mask & channel_allocations[i].spk_mask) ==
+				channel_allocations[i].spk_mask) {
+			ai->CA = channel_allocations[i].ca_index;
+			break;
+		}
+	}
+
+	snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
+	snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
+		    ai->CA, channels, buf);
+
+	return ai->CA;
+}
+
+static void hdmi_debug_channel_mapping(struct hda_codec *codec,
+				       hda_nid_t pin_nid)
+{
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+	int i;
+	int slot;
+
+	for (i = 0; i < 8; i++) {
+		slot = snd_hda_codec_read(codec, pin_nid, 0,
+						AC_VERB_GET_HDMI_CHAN_SLOT, i);
+		printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
+						slot >> 4, slot & 0xf);
+	}
+#endif
+}
+
+
+static void hdmi_setup_channel_mapping(struct hda_codec *codec,
+				       hda_nid_t pin_nid,
+				       struct hdmi_audio_infoframe *ai)
+{
+	int i;
+	int ca = ai->CA;
+	int err;
+
+	if (hdmi_channel_mapping[ca][1] == 0) {
+		for (i = 0; i < channel_allocations[ca].channels; i++)
+			hdmi_channel_mapping[ca][i] = i | (i << 4);
+		for (; i < 8; i++)
+			hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
+	}
+
+	for (i = 0; i < 8; i++) {
+		err = snd_hda_codec_write(codec, pin_nid, 0,
+					  AC_VERB_SET_HDMI_CHAN_SLOT,
+					  hdmi_channel_mapping[ca][i]);
+		if (err) {
+			snd_printdd(KERN_NOTICE
+				    "HDMI: channel mapping failed\n");
+			break;
+		}
+	}
+
+	hdmi_debug_channel_mapping(codec, pin_nid);
+}
+
+
+/*
+ * Audio InfoFrame routines
+ */
+
+/*
+ * Enable Audio InfoFrame Transmission
+ */
+static void hdmi_start_infoframe_trans(struct hda_codec *codec,
+				       hda_nid_t pin_nid)
+{
+	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
+	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
+						AC_DIPXMIT_BEST);
+}
+
+/*
+ * Disable Audio InfoFrame Transmission
+ */
+static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
+				      hda_nid_t pin_nid)
+{
+	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
+	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
+						AC_DIPXMIT_DISABLE);
+}
+
+static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
+{
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+	int i;
+	int size;
+
+	size = snd_hdmi_get_eld_size(codec, pin_nid);
+	printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
+
+	for (i = 0; i < 8; i++) {
+		size = snd_hda_codec_read(codec, pin_nid, 0,
+						AC_VERB_GET_HDMI_DIP_SIZE, i);
+		printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
+	}
+#endif
+}
+
+static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
+{
+#ifdef BE_PARANOID
+	int i, j;
+	int size;
+	int pi, bi;
+	for (i = 0; i < 8; i++) {
+		size = snd_hda_codec_read(codec, pin_nid, 0,
+						AC_VERB_GET_HDMI_DIP_SIZE, i);
+		if (size == 0)
+			continue;
+
+		hdmi_set_dip_index(codec, pin_nid, i, 0x0);
+		for (j = 1; j < 1000; j++) {
+			hdmi_write_dip_byte(codec, pin_nid, 0x0);
+			hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
+			if (pi != i)
+				snd_printd(KERN_INFO "dip index %d: %d != %d\n",
+						bi, pi, i);
+			if (bi == 0) /* byte index wrapped around */
+				break;
+		}
+		snd_printd(KERN_INFO
+			"HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
+			i, size, j);
+	}
+#endif
+}
+
+static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *ai)
+{
+	u8 *bytes = (u8 *)ai;
+	u8 sum = 0;
+	int i;
+
+	ai->checksum = 0;
+
+	for (i = 0; i < sizeof(*ai); i++)
+		sum += bytes[i];
+
+	ai->checksum = -sum;
+}
+
+static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
+				      hda_nid_t pin_nid,
+				      struct hdmi_audio_infoframe *ai)
+{
+	u8 *bytes = (u8 *)ai;
+	int i;
+
+	hdmi_debug_dip_size(codec, pin_nid);
+	hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
+
+	hdmi_checksum_audio_infoframe(ai);
+
+	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
+	for (i = 0; i < sizeof(*ai); i++)
+		hdmi_write_dip_byte(codec, pin_nid, bytes[i]);
+}
+
+static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
+				    struct hdmi_audio_infoframe *ai)
+{
+	u8 *bytes = (u8 *)ai;
+	u8 val;
+	int i;
+
+	if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
+							    != AC_DIPXMIT_BEST)
+		return false;
+
+	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
+	for (i = 0; i < sizeof(*ai); i++) {
+		val = snd_hda_codec_read(codec, pin_nid, 0,
+					 AC_VERB_GET_HDMI_DIP_DATA, 0);
+		if (val != bytes[i])
+			return false;
+	}
+
+	return true;
+}
+
+static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
+					struct snd_pcm_substream *substream)
+{
+	struct hdmi_spec *spec = codec->spec;
+	hda_nid_t pin_nid;
+	int i;
+	struct hdmi_audio_infoframe ai = {
+		.type		= 0x84,
+		.ver		= 0x01,
+		.len		= 0x0a,
+		.CC02_CT47	= substream->runtime->channels - 1,
+	};
+
+	hdmi_setup_channel_allocation(codec, nid, &ai);
+
+	for (i = 0; i < spec->num_pins; i++) {
+		if (spec->pin_cvt[i] != nid)
+			continue;
+		if (!spec->sink_eld[i].monitor_present)
+			continue;
+
+		pin_nid = spec->pin[i];
+		if (!hdmi_infoframe_uptodate(codec, pin_nid, &ai)) {
+			snd_printdd("hdmi_setup_audio_infoframe: "
+				    "cvt=%d pin=%d channels=%d\n",
+				    nid, pin_nid,
+				    substream->runtime->channels);
+			hdmi_setup_channel_mapping(codec, pin_nid, &ai);
+			hdmi_stop_infoframe_trans(codec, pin_nid);
+			hdmi_fill_audio_infoframe(codec, pin_nid, &ai);
+			hdmi_start_infoframe_trans(codec, pin_nid);
+		}
+	}
+}
+
+
+/*
+ * Unsolicited events
+ */
+
+static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
+{
+	struct hdmi_spec *spec = codec->spec;
+	int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
+	int pind = !!(res & AC_UNSOL_RES_PD);
+	int eldv = !!(res & AC_UNSOL_RES_ELDV);
+	int index;
+
+	printk(KERN_INFO
+		"HDMI hot plug event: Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
+		tag, pind, eldv);
+
+	index = hda_node_index(spec->pin, tag);
+	if (index < 0)
+		return;
+
+	spec->sink_eld[index].monitor_present = pind;
+	spec->sink_eld[index].eld_valid = eldv;
+
+	if (pind && eldv) {
+		hdmi_get_show_eld(codec, spec->pin[index],
+				  &spec->sink_eld[index]);
+		/* TODO: do real things about ELD */
+	}
+}
+
+static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
+{
+	int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
+	int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
+	int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
+	int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
+
+	printk(KERN_INFO
+		"HDMI CP event: PIN=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
+		tag,
+		subtag,
+		cp_state,
+		cp_ready);
+
+	/* TODO */
+	if (cp_state)
+		;
+	if (cp_ready)
+		;
+}
+
+
+static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
+{
+	struct hdmi_spec *spec = codec->spec;
+	int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
+	int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
+
+	if (hda_node_index(spec->pin, tag) < 0) {
+		snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
+		return;
+	}
+
+	if (subtag == 0)
+		hdmi_intrinsic_event(codec, res);
+	else
+		hdmi_non_intrinsic_event(codec, res);
+}
+
+/*
+ * Callbacks
+ */
+
+static void hdmi_setup_stream(struct hda_codec *codec, hda_nid_t nid,
+			      u32 stream_tag, int format)
+{
+	int tag;
+	int fmt;
+
+	tag = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0) >> 4;
+	fmt = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_STREAM_FORMAT, 0);
+
+	snd_printdd("hdmi_setup_stream: "
+		    "NID=0x%x, %sstream=0x%x, %sformat=0x%x\n",
+		    nid,
+		    tag == stream_tag ? "" : "new-",
+		    stream_tag,
+		    fmt == format ? "" : "new-",
+		    format);
+
+	if (tag != stream_tag)
+		snd_hda_codec_write(codec, nid, 0,
+				    AC_VERB_SET_CHANNEL_STREAMID,
+				    stream_tag << 4);
+	if (fmt != format)
+		snd_hda_codec_write(codec, nid, 0,
+				    AC_VERB_SET_STREAM_FORMAT, format);
+}
+
+/*
+ * HDA/HDMI auto parsing
+ */
+
+static int hdmi_read_pin_conn(struct hda_codec *codec, hda_nid_t pin_nid)
+{
+	struct hdmi_spec *spec = codec->spec;
+	hda_nid_t conn_list[HDA_MAX_CONNECTIONS];
+	int conn_len, curr;
+	int index;
+
+	if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
+		snd_printk(KERN_WARNING
+			   "HDMI: pin %d wcaps %#x "
+			   "does not support connection list\n",
+			   pin_nid, get_wcaps(codec, pin_nid));
+		return -EINVAL;
+	}
+
+	conn_len = snd_hda_get_connections(codec, pin_nid, conn_list,
+					   HDA_MAX_CONNECTIONS);
+	if (conn_len > 1)
+		curr = snd_hda_codec_read(codec, pin_nid, 0,
+					  AC_VERB_GET_CONNECT_SEL, 0);
+	else
+		curr = 0;
+
+	index = hda_node_index(spec->pin, pin_nid);
+	if (index < 0)
+		return -EINVAL;
+
+	spec->pin_cvt[index] = conn_list[curr];
+
+	return 0;
+}
+
+static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
+			       struct hdmi_eld *eld)
+{
+	int present = snd_hda_pin_sense(codec, pin_nid);
+
+	eld->monitor_present	= !!(present & AC_PINSENSE_PRESENCE);
+	eld->eld_valid		= !!(present & AC_PINSENSE_ELDV);
+
+	if (present & AC_PINSENSE_ELDV)
+		hdmi_get_show_eld(codec, pin_nid, eld);
+}
+
+static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
+{
+	struct hdmi_spec *spec = codec->spec;
+
+	if (spec->num_pins >= MAX_HDMI_PINS) {
+		snd_printk(KERN_WARNING
+			   "HDMI: no space for pin %d\n", pin_nid);
+		return -EINVAL;
+	}
+
+	hdmi_present_sense(codec, pin_nid, &spec->sink_eld[spec->num_pins]);
+
+	spec->pin[spec->num_pins] = pin_nid;
+	spec->num_pins++;
+
+	/*
+	 * It is assumed that converter nodes come first in the node list and
+	 * hence have been registered and usable now.
+	 */
+	return hdmi_read_pin_conn(codec, pin_nid);
+}
+
+static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t nid)
+{
+	struct hdmi_spec *spec = codec->spec;
+
+	if (spec->num_cvts >= MAX_HDMI_CVTS) {
+		snd_printk(KERN_WARNING
+			   "HDMI: no space for converter %d\n", nid);
+		return -EINVAL;
+	}
+
+	spec->cvt[spec->num_cvts] = nid;
+	spec->num_cvts++;
+
+	return 0;
+}
+
+static int hdmi_parse_codec(struct hda_codec *codec)
+{
+	hda_nid_t nid;
+	int i, nodes;
+
+	nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
+	if (!nid || nodes < 0) {
+		snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
+		return -EINVAL;
+	}
+
+	for (i = 0; i < nodes; i++, nid++) {
+		unsigned int caps;
+		unsigned int type;
+
+		caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
+		type = get_wcaps_type(caps);
+
+		if (!(caps & AC_WCAP_DIGITAL))
+			continue;
+
+		switch (type) {
+		case AC_WID_AUD_OUT:
+			if (hdmi_add_cvt(codec, nid) < 0)
+				return -EINVAL;
+			break;
+		case AC_WID_PIN:
+			caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
+			if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
+				continue;
+			if (hdmi_add_pin(codec, nid) < 0)
+				return -EINVAL;
+			break;
+		}
+	}
+
+	/*
+	 * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
+	 * can be lost and presence sense verb will become inaccurate if the
+	 * HDA link is powered off at hot plug or hw initialization time.
+	 */
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
+	      AC_PWRST_EPSS))
+		codec->bus->power_keep_link_on = 1;
+#endif
+
+	return 0;
+}
+
diff --git a/sound/pci/hda/patch_intelhdmi.c b/sound/pci/hda/patch_intelhdmi.c
index 918f40378d52..88d035104cc5 100644
--- a/sound/pci/hda/patch_intelhdmi.c
+++ b/sound/pci/hda/patch_intelhdmi.c
@@ -40,815 +40,20 @@
  *
  * The HDA correspondence of pipes/ports are converter/pin nodes.
  */
-#define INTEL_HDMI_CVTS	2
-#define INTEL_HDMI_PINS	3
+#define MAX_HDMI_CVTS	2
+#define MAX_HDMI_PINS	3
 
-static char *intel_hdmi_pcm_names[INTEL_HDMI_CVTS] = {
+#include "patch_hdmi.c"
+
+static char *intel_hdmi_pcm_names[MAX_HDMI_CVTS] = {
 	"INTEL HDMI 0",
 	"INTEL HDMI 1",
 };
 
-struct intel_hdmi_spec {
-	int num_cvts;
-	int num_pins;
-	hda_nid_t cvt[INTEL_HDMI_CVTS+1];  /* audio sources */
-	hda_nid_t pin[INTEL_HDMI_PINS+1];  /* audio sinks */
-
-	/*
-	 * source connection for each pin
-	 */
-	hda_nid_t pin_cvt[INTEL_HDMI_PINS+1];
-
-	/*
-	 * HDMI sink attached to each pin
-	 */
-	struct hdmi_eld sink_eld[INTEL_HDMI_PINS];
-
-	/*
-	 * export one pcm per pipe
-	 */
-	struct hda_pcm	pcm_rec[INTEL_HDMI_CVTS];
-};
-
-struct hdmi_audio_infoframe {
-	u8 type; /* 0x84 */
-	u8 ver;  /* 0x01 */
-	u8 len;  /* 0x0a */
-
-	u8 checksum;	/* PB0 */
-	u8 CC02_CT47;	/* CC in bits 0:2, CT in 4:7 */
-	u8 SS01_SF24;
-	u8 CXT04;
-	u8 CA;
-	u8 LFEPBL01_LSV36_DM_INH7;
-	u8 reserved[5];	/* PB6 - PB10 */
-};
-
-/*
- * CEA speaker placement:
- *
- *        FLH       FCH        FRH
- *  FLW    FL  FLC   FC   FRC   FR   FRW
- *
- *                                  LFE
- *                     TC
- *
- *          RL  RLC   RC   RRC   RR
- *
- * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
- * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
- */
-enum cea_speaker_placement {
-	FL  = (1 <<  0),	/* Front Left           */
-	FC  = (1 <<  1),	/* Front Center         */
-	FR  = (1 <<  2),	/* Front Right          */
-	FLC = (1 <<  3),	/* Front Left Center    */
-	FRC = (1 <<  4),	/* Front Right Center   */
-	RL  = (1 <<  5),	/* Rear Left            */
-	RC  = (1 <<  6),	/* Rear Center          */
-	RR  = (1 <<  7),	/* Rear Right           */
-	RLC = (1 <<  8),	/* Rear Left Center     */
-	RRC = (1 <<  9),	/* Rear Right Center    */
-	LFE = (1 << 10),	/* Low Frequency Effect */
-	FLW = (1 << 11),	/* Front Left Wide      */
-	FRW = (1 << 12),	/* Front Right Wide     */
-	FLH = (1 << 13),	/* Front Left High      */
-	FCH = (1 << 14),	/* Front Center High    */
-	FRH = (1 << 15),	/* Front Right High     */
-	TC  = (1 << 16),	/* Top Center           */
-};
-
-/*
- * ELD SA bits in the CEA Speaker Allocation data block
- */
-static int eld_speaker_allocation_bits[] = {
-	[0] = FL | FR,
-	[1] = LFE,
-	[2] = FC,
-	[3] = RL | RR,
-	[4] = RC,
-	[5] = FLC | FRC,
-	[6] = RLC | RRC,
-	/* the following are not defined in ELD yet */
-	[7] = FLW | FRW,
-	[8] = FLH | FRH,
-	[9] = TC,
-	[10] = FCH,
-};
-
-struct cea_channel_speaker_allocation {
-	int ca_index;
-	int speakers[8];
-
-	/* derived values, just for convenience */
-	int channels;
-	int spk_mask;
-};
-
-/*
- * ALSA sequence is:
- *
- *       surround40   surround41   surround50   surround51   surround71
- * ch0   front left   =            =            =            =
- * ch1   front right  =            =            =            =
- * ch2   rear left    =            =            =            =
- * ch3   rear right   =            =            =            =
- * ch4                LFE          center       center       center
- * ch5                                          LFE          LFE
- * ch6                                                       side left
- * ch7                                                       side right
- *
- * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
- */
-static int hdmi_channel_mapping[0x32][8] = {
-	/* stereo */
-	[0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
-	/* 2.1 */
-	[0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
-	/* Dolby Surround */
-	[0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
-	/* surround40 */
-	[0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
-	/* 4ch */
-	[0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
-	/* surround41 */
-	[0x09] = { 0x00, 0x11, 0x24, 0x34, 0x43, 0xf2, 0xf6, 0xf7 },
-	/* surround50 */
-	[0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
-	/* surround51 */
-	[0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
-	/* 7.1 */
-	[0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
-};
-
-/*
- * This is an ordered list!
- *
- * The preceding ones have better chances to be selected by
- * hdmi_setup_channel_allocation().
- */
-static struct cea_channel_speaker_allocation channel_allocations[] = {
-/* 			  channel:   7     6    5    4    3     2    1    0  */
-{ .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } },
-				 /* 2.1 */
-{ .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } },
-				 /* Dolby Surround */
-{ .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } },
-				 /* surround40 */
-{ .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } },
-				 /* surround41 */
-{ .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } },
-				 /* surround50 */
-{ .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } },
-				 /* surround51 */
-{ .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
-				 /* 6.1 */
-{ .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
-				 /* surround71 */
-{ .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
-
-{ .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } },
-{ .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } },
-{ .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } },
-{ .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } },
-{ .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } },
-{ .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } },
-{ .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } },
-{ .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
-{ .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } },
-{ .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } },
-{ .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } },
-{ .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } },
-{ .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } },
-{ .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } },
-{ .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } },
-{ .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } },
-{ .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } },
-{ .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } },
-{ .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } },
-{ .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } },
-{ .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } },
-{ .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } },
-{ .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
-{ .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
-{ .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
-{ .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } },
-{ .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
-{ .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } },
-{ .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } },
-{ .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } },
-{ .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } },
-{ .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
-{ .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
-{ .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
-{ .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
-{ .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
-{ .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
-{ .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } },
-{ .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } },
-{ .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } },
-{ .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } },
-};
-
-/*
- * HDA/HDMI auto parsing
- */
-
-static int hda_node_index(hda_nid_t *nids, hda_nid_t nid)
-{
-	int i;
-
-	for (i = 0; nids[i]; i++)
-		if (nids[i] == nid)
-			return i;
-
-	snd_printk(KERN_WARNING "HDMI: nid %d not registered\n", nid);
-	return -EINVAL;
-}
-
-static int intel_hdmi_read_pin_conn(struct hda_codec *codec, hda_nid_t pin_nid)
-{
-	struct intel_hdmi_spec *spec = codec->spec;
-	hda_nid_t conn_list[HDA_MAX_CONNECTIONS];
-	int conn_len, curr;
-	int index;
-
-	if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
-		snd_printk(KERN_WARNING
-			   "HDMI: pin %d wcaps %#x "
-			   "does not support connection list\n",
-			   pin_nid, get_wcaps(codec, pin_nid));
-		return -EINVAL;
-	}
-
-	conn_len = snd_hda_get_connections(codec, pin_nid, conn_list,
-					   HDA_MAX_CONNECTIONS);
-	if (conn_len > 1)
-		curr = snd_hda_codec_read(codec, pin_nid, 0,
-					  AC_VERB_GET_CONNECT_SEL, 0);
-	else
-		curr = 0;
-
-	index = hda_node_index(spec->pin, pin_nid);
-	if (index < 0)
-		return -EINVAL;
-
-	spec->pin_cvt[index] = conn_list[curr];
-
-	return 0;
-}
-
-static void hdmi_get_show_eld(struct hda_codec *codec, hda_nid_t pin_nid,
-			      struct hdmi_eld *eld)
-{
-	if (!snd_hdmi_get_eld(eld, codec, pin_nid))
-		snd_hdmi_show_eld(eld);
-}
-
-static void hdmi_present_sense(struct hda_codec *codec, hda_nid_t pin_nid,
-			       struct hdmi_eld *eld)
-{
-	int present = snd_hda_pin_sense(codec, pin_nid);
-
-	eld->monitor_present	= !!(present & AC_PINSENSE_PRESENCE);
-	eld->eld_valid		= !!(present & AC_PINSENSE_ELDV);
-
-	if (present & AC_PINSENSE_ELDV)
-		hdmi_get_show_eld(codec, pin_nid, eld);
-}
-
-static int intel_hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
-{
-	struct intel_hdmi_spec *spec = codec->spec;
-
-	if (spec->num_pins >= INTEL_HDMI_PINS) {
-		snd_printk(KERN_WARNING
-			   "HDMI: no space for pin %d \n", pin_nid);
-		return -EINVAL;
-	}
-
-	hdmi_present_sense(codec, pin_nid, &spec->sink_eld[spec->num_pins]);
-
-	spec->pin[spec->num_pins] = pin_nid;
-	spec->num_pins++;
-
-	/*
-	 * It is assumed that converter nodes come first in the node list and
-	 * hence have been registered and usable now.
-	 */
-	return intel_hdmi_read_pin_conn(codec, pin_nid);
-}
-
-static int intel_hdmi_add_cvt(struct hda_codec *codec, hda_nid_t nid)
-{
-	struct intel_hdmi_spec *spec = codec->spec;
-
-	if (spec->num_cvts >= INTEL_HDMI_CVTS) {
-		snd_printk(KERN_WARNING
-			   "HDMI: no space for converter %d \n", nid);
-		return -EINVAL;
-	}
-
-	spec->cvt[spec->num_cvts] = nid;
-	spec->num_cvts++;
-
-	return 0;
-}
-
-static int intel_hdmi_parse_codec(struct hda_codec *codec)
-{
-	hda_nid_t nid;
-	int i, nodes;
-
-	nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
-	if (!nid || nodes < 0) {
-		snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
-		return -EINVAL;
-	}
-
-	for (i = 0; i < nodes; i++, nid++) {
-		unsigned int caps;
-		unsigned int type;
-
-		caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
-		type = get_wcaps_type(caps);
-
-		if (!(caps & AC_WCAP_DIGITAL))
-			continue;
-
-		switch (type) {
-		case AC_WID_AUD_OUT:
-			if (intel_hdmi_add_cvt(codec, nid) < 0)
-				return -EINVAL;
-			break;
-		case AC_WID_PIN:
-			caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
-			if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
-				continue;
-			if (intel_hdmi_add_pin(codec, nid) < 0)
-				return -EINVAL;
-			break;
-		}
-	}
-
-	/*
-	 * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
-	 * can be lost and presence sense verb will become inaccurate if the
-	 * HDA link is powered off at hot plug or hw initialization time.
-	 */
-#ifdef CONFIG_SND_HDA_POWER_SAVE
-	if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
-	      AC_PWRST_EPSS))
-		codec->bus->power_keep_link_on = 1;
-#endif
-
-	return 0;
-}
-
-/*
- * HDMI routines
- */
-
-#ifdef BE_PARANOID
-static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
-				int *packet_index, int *byte_index)
-{
-	int val;
-
-	val = snd_hda_codec_read(codec, pin_nid, 0,
-				 AC_VERB_GET_HDMI_DIP_INDEX, 0);
-
-	*packet_index = val >> 5;
-	*byte_index = val & 0x1f;
-}
-#endif
-
-static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
-				int packet_index, int byte_index)
-{
-	int val;
-
-	val = (packet_index << 5) | (byte_index & 0x1f);
-
-	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
-}
-
-static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
-				unsigned char val)
-{
-	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
-}
-
-static void hdmi_enable_output(struct hda_codec *codec, hda_nid_t pin_nid)
-{
-	/* Unmute */
-	if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
-		snd_hda_codec_write(codec, pin_nid, 0,
-				AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
-	/* Enable pin out */
-	snd_hda_codec_write(codec, pin_nid, 0,
-			    AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
-}
-
-/*
- * Enable Audio InfoFrame Transmission
- */
-static void hdmi_start_infoframe_trans(struct hda_codec *codec,
-				       hda_nid_t pin_nid)
-{
-	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
-	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
-						AC_DIPXMIT_BEST);
-}
-
-/*
- * Disable Audio InfoFrame Transmission
- */
-static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
-				      hda_nid_t pin_nid)
-{
-	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
-	snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
-						AC_DIPXMIT_DISABLE);
-}
-
-static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t nid)
-{
-	return 1 + snd_hda_codec_read(codec, nid, 0,
-					AC_VERB_GET_CVT_CHAN_COUNT, 0);
-}
-
-static void hdmi_set_channel_count(struct hda_codec *codec,
-				   hda_nid_t nid, int chs)
-{
-	if (chs != hdmi_get_channel_count(codec, nid))
-		snd_hda_codec_write(codec, nid, 0,
-				    AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
-}
-
-static void hdmi_debug_channel_mapping(struct hda_codec *codec,
-				       hda_nid_t pin_nid)
-{
-#ifdef CONFIG_SND_DEBUG_VERBOSE
-	int i;
-	int slot;
-
-	for (i = 0; i < 8; i++) {
-		slot = snd_hda_codec_read(codec, pin_nid, 0,
-						AC_VERB_GET_HDMI_CHAN_SLOT, i);
-		printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
-						slot >> 4, slot & 0xf);
-	}
-#endif
-}
-
-
-/*
- * Audio InfoFrame routines
- */
-
-static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
-{
-#ifdef CONFIG_SND_DEBUG_VERBOSE
-	int i;
-	int size;
-
-	size = snd_hdmi_get_eld_size(codec, pin_nid);
-	printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
-
-	for (i = 0; i < 8; i++) {
-		size = snd_hda_codec_read(codec, pin_nid, 0,
-						AC_VERB_GET_HDMI_DIP_SIZE, i);
-		printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
-	}
-#endif
-}
-
-static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
-{
-#ifdef BE_PARANOID
-	int i, j;
-	int size;
-	int pi, bi;
-	for (i = 0; i < 8; i++) {
-		size = snd_hda_codec_read(codec, pin_nid, 0,
-						AC_VERB_GET_HDMI_DIP_SIZE, i);
-		if (size == 0)
-			continue;
-
-		hdmi_set_dip_index(codec, pin_nid, i, 0x0);
-		for (j = 1; j < 1000; j++) {
-			hdmi_write_dip_byte(codec, pin_nid, 0x0);
-			hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
-			if (pi != i)
-				snd_printd(KERN_INFO "dip index %d: %d != %d\n",
-						bi, pi, i);
-			if (bi == 0) /* byte index wrapped around */
-				break;
-		}
-		snd_printd(KERN_INFO
-			"HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
-			i, size, j);
-	}
-#endif
-}
-
-static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *ai)
-{
-	u8 *bytes = (u8 *)ai;
-	u8 sum = 0;
-	int i;
-
-	ai->checksum = 0;
-
-	for (i = 0; i < sizeof(*ai); i++)
-		sum += bytes[i];
-
-	ai->checksum = - sum;
-}
-
-static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
-				      hda_nid_t pin_nid,
-				      struct hdmi_audio_infoframe *ai)
-{
-	u8 *bytes = (u8 *)ai;
-	int i;
-
-	hdmi_debug_dip_size(codec, pin_nid);
-	hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
-
-	hdmi_checksum_audio_infoframe(ai);
-
-	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
-	for (i = 0; i < sizeof(*ai); i++)
-		hdmi_write_dip_byte(codec, pin_nid, bytes[i]);
-}
-
-/*
- * Compute derived values in channel_allocations[].
- */
-static void init_channel_allocations(void)
-{
-	int i, j;
-	struct cea_channel_speaker_allocation *p;
-
-	for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
-		p = channel_allocations + i;
-		p->channels = 0;
-		p->spk_mask = 0;
-		for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
-			if (p->speakers[j]) {
-				p->channels++;
-				p->spk_mask |= p->speakers[j];
-			}
-	}
-}
-
-/*
- * The transformation takes two steps:
- *
- * 	eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
- * 	      spk_mask => (channel_allocations[])         => ai->CA
- *
- * TODO: it could select the wrong CA from multiple candidates.
-*/
-static int hdmi_setup_channel_allocation(struct hda_codec *codec, hda_nid_t nid,
-					 struct hdmi_audio_infoframe *ai)
-{
-	struct intel_hdmi_spec *spec = codec->spec;
-	struct hdmi_eld *eld;
-	int i;
-	int spk_mask = 0;
-	int channels = 1 + (ai->CC02_CT47 & 0x7);
-	char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
-
-	/*
-	 * CA defaults to 0 for basic stereo audio
-	 */
-	if (channels <= 2)
-		return 0;
-
-	i = hda_node_index(spec->pin_cvt, nid);
-	if (i < 0)
-		return 0;
-	eld = &spec->sink_eld[i];
-
-	/*
-	 * HDMI sink's ELD info cannot always be retrieved for now, e.g.
-	 * in console or for audio devices. Assume the highest speakers
-	 * configuration, to _not_ prohibit multi-channel audio playback.
-	 */
-	if (!eld->spk_alloc)
-		eld->spk_alloc = 0xffff;
-
-	/*
-	 * expand ELD's speaker allocation mask
-	 *
-	 * ELD tells the speaker mask in a compact(paired) form,
-	 * expand ELD's notions to match the ones used by Audio InfoFrame.
-	 */
-	for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
-		if (eld->spk_alloc & (1 << i))
-			spk_mask |= eld_speaker_allocation_bits[i];
-	}
-
-	/* search for the first working match in the CA table */
-	for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
-		if (channels == channel_allocations[i].channels &&
-		    (spk_mask & channel_allocations[i].spk_mask) ==
-				channel_allocations[i].spk_mask) {
-			ai->CA = channel_allocations[i].ca_index;
-			break;
-		}
-	}
-
-	snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
-	snd_printdd(KERN_INFO
-			"HDMI: select CA 0x%x for %d-channel allocation: %s\n",
-			ai->CA, channels, buf);
-
-	return ai->CA;
-}
-
-static void hdmi_setup_channel_mapping(struct hda_codec *codec,
-				       hda_nid_t pin_nid,
-				       struct hdmi_audio_infoframe *ai)
-{
-	int i;
-	int ca = ai->CA;
-	int err;
-
-	if (hdmi_channel_mapping[ca][1] == 0) {
-		for (i = 0; i < channel_allocations[ca].channels; i++)
-			hdmi_channel_mapping[ca][i] = i | (i << 4);
-		for (; i < 8; i++)
-			hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
-	}
-
-	for (i = 0; i < 8; i++) {
-		err = snd_hda_codec_write(codec, pin_nid, 0,
-					  AC_VERB_SET_HDMI_CHAN_SLOT,
-					  hdmi_channel_mapping[ca][i]);
-		if (err) {
-			snd_printdd(KERN_INFO "HDMI: channel mapping failed\n");
-			break;
-		}
-	}
-
-	hdmi_debug_channel_mapping(codec, pin_nid);
-}
-
-static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
-				    struct hdmi_audio_infoframe *ai)
-{
-	u8 *bytes = (u8 *)ai;
-	u8 val;
-	int i;
-
-	if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
-							    != AC_DIPXMIT_BEST)
-		return false;
-
-	hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
-	for (i = 0; i < sizeof(*ai); i++) {
-		val = snd_hda_codec_read(codec, pin_nid, 0,
-					 AC_VERB_GET_HDMI_DIP_DATA, 0);
-		if (val != bytes[i])
-			return false;
-	}
-
-	return true;
-}
-
-static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid,
-					struct snd_pcm_substream *substream)
-{
-	struct intel_hdmi_spec *spec = codec->spec;
-	hda_nid_t pin_nid;
-	int i;
-	struct hdmi_audio_infoframe ai = {
-		.type		= 0x84,
-		.ver		= 0x01,
-		.len		= 0x0a,
-		.CC02_CT47	= substream->runtime->channels - 1,
-	};
-
-	hdmi_setup_channel_allocation(codec, nid, &ai);
-
-	for (i = 0; i < spec->num_pins; i++) {
-		if (spec->pin_cvt[i] != nid)
-			continue;
-		if (!spec->sink_eld[i].monitor_present)
-			continue;
-
-		pin_nid = spec->pin[i];
-		if (!hdmi_infoframe_uptodate(codec, pin_nid, &ai)) {
-			hdmi_setup_channel_mapping(codec, pin_nid, &ai);
-			hdmi_stop_infoframe_trans(codec, pin_nid);
-			hdmi_fill_audio_infoframe(codec, pin_nid, &ai);
-			hdmi_start_infoframe_trans(codec, pin_nid);
-		}
-	}
-}
-
-
 /*
- * Unsolicited events
+ * HDMI callbacks
  */
 
-static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
-{
-	struct intel_hdmi_spec *spec = codec->spec;
-	int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
-	int pind = !!(res & AC_UNSOL_RES_PD);
-	int eldv = !!(res & AC_UNSOL_RES_ELDV);
-	int index;
-
-	printk(KERN_INFO
-		"HDMI hot plug event: Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
-		tag, pind, eldv);
-
-	index = hda_node_index(spec->pin, tag);
-	if (index < 0)
-		return;
-
-	spec->sink_eld[index].monitor_present = pind;
-	spec->sink_eld[index].eld_valid = eldv;
-
-	if (pind && eldv) {
-		hdmi_get_show_eld(codec, spec->pin[index], &spec->sink_eld[index]);
-		/* TODO: do real things about ELD */
-	}
-}
-
-static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
-{
-	int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
-	int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
-	int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
-	int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
-
-	printk(KERN_INFO
-		"HDMI CP event: PIN=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
-		tag,
-		subtag,
-		cp_state,
-		cp_ready);
-
-	/* TODO */
-	if (cp_state)
-		;
-	if (cp_ready)
-		;
-}
-
-
-static void intel_hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
-{
-	struct intel_hdmi_spec *spec = codec->spec;
-	int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
-	int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
-
-	if (hda_node_index(spec->pin, tag) < 0) {
-		snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
-		return;
-	}
-
-	if (subtag == 0)
-		hdmi_intrinsic_event(codec, res);
-	else
-		hdmi_non_intrinsic_event(codec, res);
-}
-
-/*
- * Callbacks
- */
-
-static void hdmi_setup_stream(struct hda_codec *codec, hda_nid_t nid,
-			      u32 stream_tag, int format)
-{
-	int tag;
-	int fmt;
-
-	tag = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0) >> 4;
-	fmt = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_STREAM_FORMAT, 0);
-
-	snd_printdd("hdmi_setup_stream: "
-		    "NID=0x%x, %sstream=0x%x, %sformat=0x%x\n",
-		    nid,
-		    tag == stream_tag ? "" : "new-",
-		    stream_tag,
-		    fmt == format ? "" : "new-",
-		    format);
-
-	if (tag != stream_tag)
-		snd_hda_codec_write(codec, nid, 0,
-				    AC_VERB_SET_CHANNEL_STREAMID, stream_tag << 4);
-	if (fmt != format)
-		snd_hda_codec_write(codec, nid, 0,
-				    AC_VERB_SET_STREAM_FORMAT, format);
-}
-
 static int intel_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
 					   struct hda_codec *codec,
 					   unsigned int stream_tag,
@@ -882,7 +87,7 @@ static struct hda_pcm_stream intel_hdmi_pcm_playback = {
 
 static int intel_hdmi_build_pcms(struct hda_codec *codec)
 {
-	struct intel_hdmi_spec *spec = codec->spec;
+	struct hdmi_spec *spec = codec->spec;
 	struct hda_pcm *info = spec->pcm_rec;
 	int i;
 
@@ -908,7 +113,7 @@ static int intel_hdmi_build_pcms(struct hda_codec *codec)
 
 static int intel_hdmi_build_controls(struct hda_codec *codec)
 {
-	struct intel_hdmi_spec *spec = codec->spec;
+	struct hdmi_spec *spec = codec->spec;
 	int err;
 	int i;
 
@@ -923,7 +128,7 @@ static int intel_hdmi_build_controls(struct hda_codec *codec)
 
 static int intel_hdmi_init(struct hda_codec *codec)
 {
-	struct intel_hdmi_spec *spec = codec->spec;
+	struct hdmi_spec *spec = codec->spec;
 	int i;
 
 	for (i = 0; spec->pin[i]; i++) {
@@ -937,7 +142,7 @@ static int intel_hdmi_init(struct hda_codec *codec)
 
 static void intel_hdmi_free(struct hda_codec *codec)
 {
-	struct intel_hdmi_spec *spec = codec->spec;
+	struct hdmi_spec *spec = codec->spec;
 	int i;
 
 	for (i = 0; i < spec->num_pins; i++)
@@ -951,12 +156,12 @@ static struct hda_codec_ops intel_hdmi_patch_ops = {
 	.free			= intel_hdmi_free,
 	.build_pcms		= intel_hdmi_build_pcms,
 	.build_controls 	= intel_hdmi_build_controls,
-	.unsol_event		= intel_hdmi_unsol_event,
+	.unsol_event		= hdmi_unsol_event,
 };
 
 static int patch_intel_hdmi(struct hda_codec *codec)
 {
-	struct intel_hdmi_spec *spec;
+	struct hdmi_spec *spec;
 	int i;
 
 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
@@ -964,7 +169,7 @@ static int patch_intel_hdmi(struct hda_codec *codec)
 		return -ENOMEM;
 
 	codec->spec = spec;
-	if (intel_hdmi_parse_codec(codec) < 0) {
+	if (hdmi_parse_codec(codec) < 0) {
 		codec->spec = NULL;
 		kfree(spec);
 		return -EINVAL;
diff --git a/sound/pci/hda/patch_nvhdmi.c b/sound/pci/hda/patch_nvhdmi.c
index 6afdab09bab7..3c10c0b149f4 100644
--- a/sound/pci/hda/patch_nvhdmi.c
+++ b/sound/pci/hda/patch_nvhdmi.c
@@ -29,13 +29,23 @@
 #include "hda_codec.h"
 #include "hda_local.h"
 
+#define MAX_HDMI_CVTS	1
+#define MAX_HDMI_PINS	1
+
+#include "patch_hdmi.c"
+
+static char *nvhdmi_pcm_names[MAX_HDMI_CVTS] = {
+	"NVIDIA HDMI",
+};
+
 /* define below to restrict the supported rates and formats */
 /* #define LIMITED_RATE_FMT_SUPPORT */
 
-struct nvhdmi_spec {
-	struct hda_multi_out multiout;
-
-	struct hda_pcm pcm_rec;
+enum HDACodec {
+	HDA_CODEC_NVIDIA_MCP7X,
+	HDA_CODEC_NVIDIA_MCP89,
+	HDA_CODEC_NVIDIA_GT21X,
+	HDA_CODEC_INVALID
 };
 
 #define Nv_VERB_SET_Channel_Allocation          0xF79
@@ -43,15 +53,18 @@ struct nvhdmi_spec {
 #define Nv_VERB_SET_Audio_Protection_On         0xF98
 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
 
-#define Nv_Master_Convert_nid   0x04
-#define Nv_Master_Pin_nid       0x05
+#define nvhdmi_master_con_nid_7x	0x04
+#define nvhdmi_master_pin_nid_7x	0x05
 
-static hda_nid_t nvhdmi_convert_nids[4] = {
+#define nvhdmi_master_con_nid_89	0x04
+#define nvhdmi_master_pin_nid_89	0x05
+
+static hda_nid_t nvhdmi_con_nids_7x[4] = {
 	/*front, rear, clfe, rear_surr */
 	0x6, 0x8, 0xa, 0xc,
 };
 
-static struct hda_verb nvhdmi_basic_init[] = {
+static struct hda_verb nvhdmi_basic_init_7x[] = {
 	/* set audio protect on */
 	{ 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
 	/* enable digital output on pin widget */
@@ -84,22 +97,60 @@ static struct hda_verb nvhdmi_basic_init[] = {
  */
 static int nvhdmi_build_controls(struct hda_codec *codec)
 {
-	struct nvhdmi_spec *spec = codec->spec;
+	struct hdmi_spec *spec = codec->spec;
 	int err;
+	int i;
 
-	err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
-	if (err < 0)
-		return err;
+	if ((spec->codec_type == HDA_CODEC_NVIDIA_MCP89)
+	|| (spec->codec_type == HDA_CODEC_NVIDIA_GT21X)) {
+		for (i = 0; i < codec->num_pcms; i++) {
+			err = snd_hda_create_spdif_out_ctls(codec,
+							    spec->cvt[i]);
+			if (err < 0)
+				return err;
+		}
+	} else {
+		err = snd_hda_create_spdif_out_ctls(codec,
+						    spec->multiout.dig_out_nid);
+		if (err < 0)
+			return err;
+	}
 
 	return 0;
 }
 
 static int nvhdmi_init(struct hda_codec *codec)
 {
-	snd_hda_sequence_write(codec, nvhdmi_basic_init);
+	struct hdmi_spec *spec = codec->spec;
+	int i;
+	if ((spec->codec_type == HDA_CODEC_NVIDIA_MCP89)
+	|| (spec->codec_type == HDA_CODEC_NVIDIA_GT21X)) {
+		for (i = 0; spec->pin[i]; i++) {
+			hdmi_enable_output(codec, spec->pin[i]);
+			snd_hda_codec_write(codec, spec->pin[i], 0,
+					    AC_VERB_SET_UNSOLICITED_ENABLE,
+					    AC_USRSP_EN | spec->pin[i]);
+		}
+	} else {
+		snd_hda_sequence_write(codec, nvhdmi_basic_init_7x);
+	}
 	return 0;
 }
 
+static void nvhdmi_free(struct hda_codec *codec)
+{
+	struct hdmi_spec *spec = codec->spec;
+	int i;
+
+	if ((spec->codec_type == HDA_CODEC_NVIDIA_MCP89)
+	|| (spec->codec_type == HDA_CODEC_NVIDIA_GT21X)) {
+		for (i = 0; i < spec->num_pins; i++)
+			snd_hda_eld_proc_free(codec, &spec->sink_eld[i]);
+	}
+
+	kfree(spec);
+}
+
 /*
  * Digital out
  */
@@ -107,25 +158,25 @@ static int nvhdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
 					struct hda_codec *codec,
 					struct snd_pcm_substream *substream)
 {
-	struct nvhdmi_spec *spec = codec->spec;
+	struct hdmi_spec *spec = codec->spec;
 	return snd_hda_multi_out_dig_open(codec, &spec->multiout);
 }
 
-static int nvhdmi_dig_playback_pcm_close_8ch(struct hda_pcm_stream *hinfo,
+static int nvhdmi_dig_playback_pcm_close_8ch_7x(struct hda_pcm_stream *hinfo,
 					struct hda_codec *codec,
 					struct snd_pcm_substream *substream)
 {
-	struct nvhdmi_spec *spec = codec->spec;
+	struct hdmi_spec *spec = codec->spec;
 	int i;
 
-	snd_hda_codec_write(codec, Nv_Master_Convert_nid,
+	snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
 			0, AC_VERB_SET_CHANNEL_STREAMID, 0);
 	for (i = 0; i < 4; i++) {
 		/* set the stream id */
-		snd_hda_codec_write(codec, nvhdmi_convert_nids[i], 0,
+		snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
 				AC_VERB_SET_CHANNEL_STREAMID, 0);
 		/* set the stream format */
-		snd_hda_codec_write(codec, nvhdmi_convert_nids[i], 0,
+		snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
 				AC_VERB_SET_STREAM_FORMAT, 0);
 	}
 
@@ -136,10 +187,25 @@ static int nvhdmi_dig_playback_pcm_close_2ch(struct hda_pcm_stream *hinfo,
 					struct hda_codec *codec,
 					struct snd_pcm_substream *substream)
 {
-	struct nvhdmi_spec *spec = codec->spec;
+	struct hdmi_spec *spec = codec->spec;
 	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
 }
 
+static int nvhdmi_dig_playback_pcm_prepare_8ch_89(struct hda_pcm_stream *hinfo,
+					struct hda_codec *codec,
+					unsigned int stream_tag,
+					unsigned int format,
+					struct snd_pcm_substream *substream)
+{
+	hdmi_set_channel_count(codec, hinfo->nid,
+			       substream->runtime->channels);
+
+	hdmi_setup_audio_infoframe(codec, hinfo->nid, substream);
+
+	hdmi_setup_stream(codec, hinfo->nid, stream_tag, format);
+	return 0;
+}
+
 static int nvhdmi_dig_playback_pcm_prepare_8ch(struct hda_pcm_stream *hinfo,
 					struct hda_codec *codec,
 					unsigned int stream_tag,
@@ -181,29 +247,29 @@ static int nvhdmi_dig_playback_pcm_prepare_8ch(struct hda_pcm_stream *hinfo,
 	/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
 	if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE))
 		snd_hda_codec_write(codec,
-				Nv_Master_Convert_nid,
+				nvhdmi_master_con_nid_7x,
 				0,
 				AC_VERB_SET_DIGI_CONVERT_1,
 				codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
 
 	/* set the stream id */
-	snd_hda_codec_write(codec, Nv_Master_Convert_nid, 0,
+	snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
 			AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
 
 	/* set the stream format */
-	snd_hda_codec_write(codec, Nv_Master_Convert_nid, 0,
+	snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
 			AC_VERB_SET_STREAM_FORMAT, format);
 
 	/* turn on again (if needed) */
 	/* enable and set the channel status audio/data flag */
 	if (codec->spdif_status_reset && (codec->spdif_ctls & AC_DIG1_ENABLE)) {
 		snd_hda_codec_write(codec,
-				Nv_Master_Convert_nid,
+				nvhdmi_master_con_nid_7x,
 				0,
 				AC_VERB_SET_DIGI_CONVERT_1,
 				codec->spdif_ctls & 0xff);
 		snd_hda_codec_write(codec,
-				Nv_Master_Convert_nid,
+				nvhdmi_master_con_nid_7x,
 				0,
 				AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
 	}
@@ -220,19 +286,19 @@ static int nvhdmi_dig_playback_pcm_prepare_8ch(struct hda_pcm_stream *hinfo,
 		if (codec->spdif_status_reset &&
 		(codec->spdif_ctls & AC_DIG1_ENABLE))
 			snd_hda_codec_write(codec,
-				nvhdmi_convert_nids[i],
+				nvhdmi_con_nids_7x[i],
 				0,
 				AC_VERB_SET_DIGI_CONVERT_1,
 				codec->spdif_ctls & ~AC_DIG1_ENABLE & 0xff);
 		/* set the stream id */
 		snd_hda_codec_write(codec,
-				nvhdmi_convert_nids[i],
+				nvhdmi_con_nids_7x[i],
 				0,
 				AC_VERB_SET_CHANNEL_STREAMID,
 				(stream_tag << 4) | channel_id);
 		/* set the stream format */
 		snd_hda_codec_write(codec,
-				nvhdmi_convert_nids[i],
+				nvhdmi_con_nids_7x[i],
 				0,
 				AC_VERB_SET_STREAM_FORMAT,
 				format);
@@ -241,12 +307,12 @@ static int nvhdmi_dig_playback_pcm_prepare_8ch(struct hda_pcm_stream *hinfo,
 		if (codec->spdif_status_reset &&
 		(codec->spdif_ctls & AC_DIG1_ENABLE)) {
 			snd_hda_codec_write(codec,
-					nvhdmi_convert_nids[i],
+					nvhdmi_con_nids_7x[i],
 					0,
 					AC_VERB_SET_DIGI_CONVERT_1,
 					codec->spdif_ctls & 0xff);
 			snd_hda_codec_write(codec,
-					nvhdmi_convert_nids[i],
+					nvhdmi_con_nids_7x[i],
 					0,
 					AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
 		}
@@ -261,28 +327,47 @@ static int nvhdmi_dig_playback_pcm_prepare_8ch(struct hda_pcm_stream *hinfo,
 	return 0;
 }
 
+static int nvhdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
+					   struct hda_codec *codec,
+					   struct snd_pcm_substream *substream)
+{
+	return 0;
+}
+
 static int nvhdmi_dig_playback_pcm_prepare_2ch(struct hda_pcm_stream *hinfo,
 					struct hda_codec *codec,
 					unsigned int stream_tag,
 					unsigned int format,
 					struct snd_pcm_substream *substream)
 {
-	struct nvhdmi_spec *spec = codec->spec;
+	struct hdmi_spec *spec = codec->spec;
 	return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
 					format, substream);
 }
 
-static struct hda_pcm_stream nvhdmi_pcm_digital_playback_8ch = {
+static struct hda_pcm_stream nvhdmi_pcm_digital_playback_8ch_89 = {
+	.substreams = 1,
+	.channels_min = 2,
+	.rates = SUPPORTED_RATES,
+	.maxbps = SUPPORTED_MAXBPS,
+	.formats = SUPPORTED_FORMATS,
+	.ops = {
+		.prepare = nvhdmi_dig_playback_pcm_prepare_8ch_89,
+		.cleanup = nvhdmi_playback_pcm_cleanup,
+	},
+};
+
+static struct hda_pcm_stream nvhdmi_pcm_digital_playback_8ch_7x = {
 	.substreams = 1,
 	.channels_min = 2,
 	.channels_max = 8,
-	.nid = Nv_Master_Convert_nid,
+	.nid = nvhdmi_master_con_nid_7x,
 	.rates = SUPPORTED_RATES,
 	.maxbps = SUPPORTED_MAXBPS,
 	.formats = SUPPORTED_FORMATS,
 	.ops = {
 		.open = nvhdmi_dig_playback_pcm_open,
-		.close = nvhdmi_dig_playback_pcm_close_8ch,
+		.close = nvhdmi_dig_playback_pcm_close_8ch_7x,
 		.prepare = nvhdmi_dig_playback_pcm_prepare_8ch
 	},
 };
@@ -291,7 +376,7 @@ static struct hda_pcm_stream nvhdmi_pcm_digital_playback_2ch = {
 	.substreams = 1,
 	.channels_min = 2,
 	.channels_max = 2,
-	.nid = Nv_Master_Convert_nid,
+	.nid = nvhdmi_master_con_nid_7x,
 	.rates = SUPPORTED_RATES,
 	.maxbps = SUPPORTED_MAXBPS,
 	.formats = SUPPORTED_FORMATS,
@@ -302,10 +387,36 @@ static struct hda_pcm_stream nvhdmi_pcm_digital_playback_2ch = {
 	},
 };
 
-static int nvhdmi_build_pcms_8ch(struct hda_codec *codec)
+static int nvhdmi_build_pcms_8ch_89(struct hda_codec *codec)
+{
+	struct hdmi_spec *spec = codec->spec;
+	struct hda_pcm *info = spec->pcm_rec;
+	int i;
+
+	codec->num_pcms = spec->num_cvts;
+	codec->pcm_info = info;
+
+	for (i = 0; i < codec->num_pcms; i++, info++) {
+		unsigned int chans;
+
+		chans = get_wcaps(codec, spec->cvt[i]);
+		chans = get_wcaps_channels(chans);
+
+		info->name = nvhdmi_pcm_names[i];
+		info->pcm_type = HDA_PCM_TYPE_HDMI;
+		info->stream[SNDRV_PCM_STREAM_PLAYBACK]
+					= nvhdmi_pcm_digital_playback_8ch_89;
+		info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->cvt[i];
+		info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = chans;
+	}
+
+	return 0;
+}
+
+static int nvhdmi_build_pcms_8ch_7x(struct hda_codec *codec)
 {
-	struct nvhdmi_spec *spec = codec->spec;
-	struct hda_pcm *info = &spec->pcm_rec;
+	struct hdmi_spec *spec = codec->spec;
+	struct hda_pcm *info = spec->pcm_rec;
 
 	codec->num_pcms = 1;
 	codec->pcm_info = info;
@@ -313,15 +424,15 @@ static int nvhdmi_build_pcms_8ch(struct hda_codec *codec)
 	info->name = "NVIDIA HDMI";
 	info->pcm_type = HDA_PCM_TYPE_HDMI;
 	info->stream[SNDRV_PCM_STREAM_PLAYBACK]
-					= nvhdmi_pcm_digital_playback_8ch;
+					= nvhdmi_pcm_digital_playback_8ch_7x;
 
 	return 0;
 }
 
 static int nvhdmi_build_pcms_2ch(struct hda_codec *codec)
 {
-	struct nvhdmi_spec *spec = codec->spec;
-	struct hda_pcm *info = &spec->pcm_rec;
+	struct hdmi_spec *spec = codec->spec;
+	struct hda_pcm *info = spec->pcm_rec;
 
 	codec->num_pcms = 1;
 	codec->pcm_info = info;
@@ -334,14 +445,17 @@ static int nvhdmi_build_pcms_2ch(struct hda_codec *codec)
 	return 0;
 }
 
-static void nvhdmi_free(struct hda_codec *codec)
-{
-	kfree(codec->spec);
-}
+static struct hda_codec_ops nvhdmi_patch_ops_8ch_89 = {
+	.build_controls = nvhdmi_build_controls,
+	.build_pcms = nvhdmi_build_pcms_8ch_89,
+	.init = nvhdmi_init,
+	.free = nvhdmi_free,
+	.unsol_event = hdmi_unsol_event,
+};
 
-static struct hda_codec_ops nvhdmi_patch_ops_8ch = {
+static struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = {
 	.build_controls = nvhdmi_build_controls,
-	.build_pcms = nvhdmi_build_pcms_8ch,
+	.build_pcms = nvhdmi_build_pcms_8ch_7x,
 	.init = nvhdmi_init,
 	.free = nvhdmi_free,
 };
@@ -353,9 +467,36 @@ static struct hda_codec_ops nvhdmi_patch_ops_2ch = {
 	.free = nvhdmi_free,
 };
 
-static int patch_nvhdmi_8ch(struct hda_codec *codec)
+static int patch_nvhdmi_8ch_89(struct hda_codec *codec)
+{
+	struct hdmi_spec *spec;
+	int i;
+
+	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
+	if (spec == NULL)
+		return -ENOMEM;
+
+	codec->spec = spec;
+	spec->codec_type = HDA_CODEC_NVIDIA_MCP89;
+
+	if (hdmi_parse_codec(codec) < 0) {
+		codec->spec = NULL;
+		kfree(spec);
+		return -EINVAL;
+	}
+	codec->patch_ops = nvhdmi_patch_ops_8ch_89;
+
+	for (i = 0; i < spec->num_pins; i++)
+		snd_hda_eld_proc_new(codec, &spec->sink_eld[i], i);
+
+	init_channel_allocations();
+
+	return 0;
+}
+
+static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
 {
-	struct nvhdmi_spec *spec;
+	struct hdmi_spec *spec;
 
 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 	if (spec == NULL)
@@ -365,16 +506,17 @@ static int patch_nvhdmi_8ch(struct hda_codec *codec)
 
 	spec->multiout.num_dacs = 0;  /* no analog */
 	spec->multiout.max_channels = 8;
-	spec->multiout.dig_out_nid = Nv_Master_Convert_nid;
+	spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
+	spec->codec_type = HDA_CODEC_NVIDIA_MCP7X;
 
-	codec->patch_ops = nvhdmi_patch_ops_8ch;
+	codec->patch_ops = nvhdmi_patch_ops_8ch_7x;
 
 	return 0;
 }
 
 static int patch_nvhdmi_2ch(struct hda_codec *codec)
 {
-	struct nvhdmi_spec *spec;
+	struct hdmi_spec *spec;
 
 	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
 	if (spec == NULL)
@@ -384,7 +526,8 @@ static int patch_nvhdmi_2ch(struct hda_codec *codec)
 
 	spec->multiout.num_dacs = 0;  /* no analog */
 	spec->multiout.max_channels = 2;
-	spec->multiout.dig_out_nid = Nv_Master_Convert_nid;
+	spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
+	spec->codec_type = HDA_CODEC_NVIDIA_MCP7X;
 
 	codec->patch_ops = nvhdmi_patch_ops_2ch;
 
@@ -395,11 +538,24 @@ static int patch_nvhdmi_2ch(struct hda_codec *codec)
  * patch entries
  */
 static struct hda_codec_preset snd_hda_preset_nvhdmi[] = {
-	{ .id = 0x10de0002, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
-	{ .id = 0x10de0003, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
-	{ .id = 0x10de0005, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
-	{ .id = 0x10de0006, .name = "MCP78 HDMI", .patch = patch_nvhdmi_8ch },
-	{ .id = 0x10de0007, .name = "MCP7A HDMI", .patch = patch_nvhdmi_8ch },
+	{ .id = 0x10de0002, .name = "MCP77/78 HDMI",
+	  .patch = patch_nvhdmi_8ch_7x },
+	{ .id = 0x10de0003, .name = "MCP77/78 HDMI",
+	  .patch = patch_nvhdmi_8ch_7x },
+	{ .id = 0x10de0005, .name = "MCP77/78 HDMI",
+	  .patch = patch_nvhdmi_8ch_7x },
+	{ .id = 0x10de0006, .name = "MCP77/78 HDMI",
+	  .patch = patch_nvhdmi_8ch_7x },
+	{ .id = 0x10de0007, .name = "MCP79/7A HDMI",
+	  .patch = patch_nvhdmi_8ch_7x },
+	{ .id = 0x10de000a, .name = "GT220 HDMI",
+	  .patch = patch_nvhdmi_8ch_89 },
+	{ .id = 0x10de000b, .name = "GT21x HDMI",
+	  .patch = patch_nvhdmi_8ch_89 },
+	{ .id = 0x10de000c, .name = "MCP89 HDMI",
+	  .patch = patch_nvhdmi_8ch_89 },
+	{ .id = 0x10de000d, .name = "GT240 HDMI",
+	  .patch = patch_nvhdmi_8ch_89 },
 	{ .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch },
 	{ .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch },
 	{} /* terminator */
@@ -410,11 +566,15 @@ MODULE_ALIAS("snd-hda-codec-id:10de0003");
 MODULE_ALIAS("snd-hda-codec-id:10de0005");
 MODULE_ALIAS("snd-hda-codec-id:10de0006");
 MODULE_ALIAS("snd-hda-codec-id:10de0007");
+MODULE_ALIAS("snd-hda-codec-id:10de000a");
+MODULE_ALIAS("snd-hda-codec-id:10de000b");
+MODULE_ALIAS("snd-hda-codec-id:10de000c");
+MODULE_ALIAS("snd-hda-codec-id:10de000d");
 MODULE_ALIAS("snd-hda-codec-id:10de0067");
 MODULE_ALIAS("snd-hda-codec-id:10de8001");
 
 MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Nvidia HDMI HD-audio codec");
+MODULE_DESCRIPTION("NVIDIA HDMI HD-audio codec");
 
 static struct hda_codec_preset_list nvhdmi_list = {
 	.preset = snd_hda_preset_nvhdmi,
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index e8cbe216e912..9a23444e9e7a 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -411,6 +411,8 @@ static int alc_mux_enum_info(struct snd_kcontrol *kcontrol,
 	unsigned int mux_idx = snd_ctl_get_ioffidx(kcontrol, &uinfo->id);
 	if (mux_idx >= spec->num_mux_defs)
 		mux_idx = 0;
+	if (!spec->input_mux[mux_idx].num_items && mux_idx > 0)
+		mux_idx = 0;
 	return snd_hda_input_mux_info(&spec->input_mux[mux_idx], uinfo);
 }
 
@@ -439,6 +441,8 @@ static int alc_mux_enum_put(struct snd_kcontrol *kcontrol,
 
 	mux_idx = adc_idx >= spec->num_mux_defs ? 0 : adc_idx;
 	imux = &spec->input_mux[mux_idx];
+	if (!imux->num_items && mux_idx > 0)
+		imux = &spec->input_mux[0];
 
 	type = get_wcaps_type(get_wcaps(codec, nid));
 	if (type == AC_WID_AUD_MIX) {
@@ -2528,8 +2532,6 @@ static int alc_build_controls(struct hda_codec *codec)
 			return err;
 	}
 
-	alc_free_kctls(codec); /* no longer needed */
-
 	/* assign Capture Source enums to NID */
 	kctl = snd_hda_find_mixer_ctl(codec, "Capture Source");
 	if (!kctl)
@@ -2598,6 +2600,9 @@ static int alc_build_controls(struct hda_codec *codec)
 			}
 		}
 	}
+
+	alc_free_kctls(codec); /* no longer needed */
+
 	return 0;
 }
 
@@ -4915,7 +4920,7 @@ static void fixup_automic_adc(struct hda_codec *codec)
 static void fixup_single_adc(struct hda_codec *codec)
 {
 	struct alc_spec *spec = codec->spec;
-	hda_nid_t pin;
+	hda_nid_t pin = 0;
 	int i;
 
 	/* search for the input pin; there must be only one */
@@ -6473,7 +6478,7 @@ static struct alc_config_preset alc260_presets[] = {
 		.num_dacs = ARRAY_SIZE(alc260_dac_nids),
 		.dac_nids = alc260_dac_nids,
 		.num_adc_nids = ARRAY_SIZE(alc260_dual_adc_nids),
-		.adc_nids = alc260_adc_nids,
+		.adc_nids = alc260_dual_adc_nids,
 		.num_channel_mode = ARRAY_SIZE(alc260_modes),
 		.channel_mode = alc260_modes,
 		.input_mux = &alc260_capture_source,
@@ -9191,6 +9196,7 @@ static struct snd_pci_quirk alc882_cfg_tbl[] = {
 	SND_PCI_QUIRK(0x1462, 0x4314, "MSI", ALC883_TARGA_DIG),
 	SND_PCI_QUIRK(0x1462, 0x4319, "MSI", ALC883_TARGA_DIG),
 	SND_PCI_QUIRK(0x1462, 0x4324, "MSI", ALC883_TARGA_DIG),
+	SND_PCI_QUIRK(0x1462, 0x4570, "MSI Wind Top AE2220", ALC883_TARGA_DIG),
 	SND_PCI_QUIRK(0x1462, 0x6510, "MSI GX620", ALC883_TARGA_8ch_DIG),
 	SND_PCI_QUIRK(0x1462, 0x6668, "MSI", ALC883_6ST_DIG),
 	SND_PCI_QUIRK(0x1462, 0x7187, "MSI", ALC883_6ST_DIG),
@@ -9200,6 +9206,7 @@ static struct snd_pci_quirk alc882_cfg_tbl[] = {
 	SND_PCI_QUIRK(0x1462, 0x7280, "MSI", ALC883_6ST_DIG),
 	SND_PCI_QUIRK(0x1462, 0x7327, "MSI", ALC883_6ST_DIG),
 	SND_PCI_QUIRK(0x1462, 0x7350, "MSI", ALC883_6ST_DIG),
+	SND_PCI_QUIRK(0x1462, 0x7437, "MSI NetOn AP1900", ALC883_TARGA_DIG),
 	SND_PCI_QUIRK(0x1462, 0xa422, "MSI", ALC883_TARGA_2ch_DIG),
 	SND_PCI_QUIRK(0x1462, 0xaa08, "MSI", ALC883_TARGA_2ch_DIG),
 
@@ -9231,7 +9238,7 @@ static struct snd_pci_quirk alc882_cfg_tbl[] = {
 	SND_PCI_QUIRK(0x8086, 0x0022, "DX58SO", ALC889_INTEL),
 	SND_PCI_QUIRK(0x8086, 0x0021, "Intel IbexPeak", ALC889A_INTEL),
 	SND_PCI_QUIRK(0x8086, 0x3b56, "Intel IbexPeak", ALC889A_INTEL),
-	SND_PCI_QUIRK(0x8086, 0xd601, "D102GGC", ALC883_3ST_6ch),
+	SND_PCI_QUIRK(0x8086, 0xd601, "D102GGC", ALC882_6ST_DIG),
 
 	{}
 };
@@ -10036,8 +10043,11 @@ static void alc882_auto_set_output_and_unmute(struct hda_codec *codec,
 	alc_set_pin_output(codec, nid, pin_type);
 	if (spec->multiout.dac_nids[dac_idx] == 0x25)
 		idx = 4;
-	else
+	else {
+		if (spec->multiout.num_dacs >= dac_idx)
+			return;
 		idx = spec->multiout.dac_nids[dac_idx] - 2;
+	}
 	snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, idx);
 
 }
@@ -10105,6 +10115,8 @@ static void alc882_auto_init_input_src(struct hda_codec *codec)
 			continue;
 		mux_idx = c >= spec->num_mux_defs ? 0 : c;
 		imux = &spec->input_mux[mux_idx];
+		if (!imux->num_items && mux_idx > 0)
+			imux = &spec->input_mux[0];
 		for (idx = 0; idx < conns; idx++) {
 			/* if the current connection is the selected one,
 			 * unmute it as default - otherwise mute it
@@ -13201,7 +13213,7 @@ static int patch_alc268(struct hda_codec *codec)
 
 	if (board_config < 0 || board_config >= ALC268_MODEL_LAST)
 		board_config = snd_hda_check_board_codec_sid_config(codec,
-			ALC882_MODEL_LAST, alc268_models, alc268_ssid_cfg_tbl);
+			ALC268_MODEL_LAST, alc268_models, alc268_ssid_cfg_tbl);
 
 	if (board_config < 0 || board_config >= ALC268_MODEL_LAST) {
 		printk(KERN_INFO "hda_codec: %s: BIOS auto-probing.\n",
@@ -13561,6 +13573,8 @@ static void alc269_lifebook_unsol_event(struct hda_codec *codec,
 static void alc269_quanta_fl1_setup(struct hda_codec *codec)
 {
 	struct alc_spec *spec = codec->spec;
+	spec->autocfg.hp_pins[0] = 0x15;
+	spec->autocfg.speaker_pins[0] = 0x14;
 	spec->ext_mic.pin = 0x18;
 	spec->ext_mic.mux_idx = 0;
 	spec->int_mic.pin = 0x19;
@@ -13656,6 +13670,8 @@ static void alc269_laptop_unsol_event(struct hda_codec *codec,
 static void alc269_laptop_dmic_setup(struct hda_codec *codec)
 {
 	struct alc_spec *spec = codec->spec;
+	spec->autocfg.hp_pins[0] = 0x15;
+	spec->autocfg.speaker_pins[0] = 0x14;
 	spec->ext_mic.pin = 0x18;
 	spec->ext_mic.mux_idx = 0;
 	spec->int_mic.pin = 0x12;
@@ -13666,6 +13682,8 @@ static void alc269_laptop_dmic_setup(struct hda_codec *codec)
 static void alc269vb_laptop_dmic_setup(struct hda_codec *codec)
 {
 	struct alc_spec *spec = codec->spec;
+	spec->autocfg.hp_pins[0] = 0x15;
+	spec->autocfg.speaker_pins[0] = 0x14;
 	spec->ext_mic.pin = 0x18;
 	spec->ext_mic.mux_idx = 0;
 	spec->int_mic.pin = 0x12;
@@ -13676,6 +13694,8 @@ static void alc269vb_laptop_dmic_setup(struct hda_codec *codec)
 static void alc269_laptop_amic_setup(struct hda_codec *codec)
 {
 	struct alc_spec *spec = codec->spec;
+	spec->autocfg.hp_pins[0] = 0x15;
+	spec->autocfg.speaker_pins[0] = 0x14;
 	spec->ext_mic.pin = 0x18;
 	spec->ext_mic.mux_idx = 0;
 	spec->int_mic.pin = 0x19;
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 8c416bb18a57..c4be3fab94e5 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -1730,6 +1730,8 @@ static struct snd_pci_quirk stac92hd71bxx_cfg_tbl[] = {
 		      "HP HDX", STAC_HP_HDX),  /* HDX16 */
 	SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_HP, 0xfff0, 0x3620,
 		      "HP dv6", STAC_HP_DV5),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x3061,
+		      "HP dv6", STAC_HP_DV5), /* HP dv6-1110ax */
 	SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_HP, 0xfff0, 0x7010,
 		      "HP", STAC_HP_DV5),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0233,
diff --git a/sound/pci/oxygen/xonar_wm87x6.c b/sound/pci/oxygen/xonar_wm87x6.c
index 7754db166d9e..dbc4b89d74e4 100644
--- a/sound/pci/oxygen/xonar_wm87x6.c
+++ b/sound/pci/oxygen/xonar_wm87x6.c
@@ -68,7 +68,7 @@ static void wm8776_write(struct oxygen *chip,
 			 OXYGEN_SPI_CEN_LATCH_CLOCK_LO,
 			 (reg << 9) | value);
 	if (reg < ARRAY_SIZE(data->wm8776_regs)) {
-		if (reg >= WM8776_HPLVOL || reg <= WM8776_DACMASTER)
+		if (reg >= WM8776_HPLVOL && reg <= WM8776_DACMASTER)
 			value &= ~WM8776_UPDATE;
 		data->wm8776_regs[reg] = value;
 	}
diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
index 960a227eb653..ad4462677615 100644
--- a/sound/pci/riptide/riptide.c
+++ b/sound/pci/riptide/riptide.c
@@ -1974,9 +1974,9 @@ snd_riptide_proc_read(struct snd_info_entry *entry,
 	}
 	snd_iprintf(buffer, "Paths:\n");
 	i = getpaths(cif, p);
-	while (i--) {
-		snd_iprintf(buffer, "%x->%x ", p[i - 1], p[i]);
-		i--;
+	while (i >= 2) {
+		i -= 2;
+		snd_iprintf(buffer, "%x->%x ", p[i], p[i + 1]);
 	}
 	snd_iprintf(buffer, "\n");
 }
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 3d72c1effeef..547b713d7204 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -2479,7 +2479,7 @@ static int snd_hdspm_put_qs_wire(struct snd_kcontrol *kcontrol,
    on MADICARD 
   - playback mixer matrix: [channelout+64] [output] [value]
   - input(thru) mixer matrix: [channelin] [output] [value]
-  (better do 2 kontrols for seperation ?)
+  (better do 2 kontrols for separation ?)
 */
 
 #define HDSPM_MIXER(xname, xindex) \
diff --git a/sound/soc/codecs/ak4104.c b/sound/soc/codecs/ak4104.c
index b9ef7e45891d..b68d99fb6af0 100644
--- a/sound/soc/codecs/ak4104.c
+++ b/sound/soc/codecs/ak4104.c
@@ -90,12 +90,10 @@ static int ak4104_spi_write(struct snd_soc_codec *codec, unsigned int reg,
 	if (reg >= codec->reg_cache_size)
 		return -EINVAL;
 
-	reg &= AK4104_REG_MASK;
-	reg |= AK4104_WRITE;
-
 	/* only write to the hardware if value has changed */
 	if (cache[reg] != value) {
-		u8 tmp[2] = { reg, value };
+		u8 tmp[2] = { (reg & AK4104_REG_MASK) | AK4104_WRITE, value };
+
 		if (spi_write(spi, tmp, sizeof(tmp))) {
 			dev_err(&spi->dev, "SPI write failed\n");
 			return -EIO;
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index f9f367d29a90..d50f1699ccb2 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -778,7 +778,7 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
 	if (dac33->fifo_mode) {
 		/* Generic for all FIFO modes */
 		/* 50-51 : ASRC Control registers */
-		dac33_write(codec, DAC33_ASRC_CTRL_A, (1 << 4)); /* div=2 */
+		dac33_write(codec, DAC33_ASRC_CTRL_A, DAC33_SRCLKDIV(1));
 		dac33_write(codec, DAC33_ASRC_CTRL_B, 1); /* ??? */
 
 		/* Write registers 0x34 and 0x35 (MSB, LSB) */
@@ -1038,11 +1038,7 @@ static int dac33_set_dai_fmt(struct snd_soc_dai *codec_dai,
 	case SND_SOC_DAIFMT_DSP_A:
 		aictrl_a |= DAC33_AFMT_DSP;
 		aictrl_b &= ~DAC33_DATA_DELAY_MASK;
-		aictrl_b |= DAC33_DATA_DELAY(1); /* 1 bit delay */
-		break;
-	case SND_SOC_DAIFMT_DSP_B:
-		aictrl_a |= DAC33_AFMT_DSP;
-		aictrl_b &= ~DAC33_DATA_DELAY_MASK; /* No delay */
+		aictrl_b |= DAC33_DATA_DELAY(0);
 		break;
 	case SND_SOC_DAIFMT_RIGHT_J:
 		aictrl_a |= DAC33_AFMT_RIGHT_J;
@@ -1066,7 +1062,7 @@ static void dac33_init_chip(struct snd_soc_codec *codec)
 {
 	/* 44-46: DAC Control Registers */
 	/* A : DAC sample rate Fsref/1.5 */
-	dac33_write(codec, DAC33_DAC_CTRL_A, DAC33_DACRATE(1));
+	dac33_write(codec, DAC33_DAC_CTRL_A, DAC33_DACRATE(0));
 	/* B : DAC src=normal, not muted */
 	dac33_write(codec, DAC33_DAC_CTRL_B, DAC33_DACSRCR_RIGHT |
 					     DAC33_DACSRCL_LEFT);
diff --git a/sound/soc/codecs/uda1380.c b/sound/soc/codecs/uda1380.c
index a2763c2e7348..9cd0a66b7663 100644
--- a/sound/soc/codecs/uda1380.c
+++ b/sound/soc/codecs/uda1380.c
@@ -137,7 +137,7 @@ static void uda1380_flush_work(struct work_struct *work)
 {
 	int bit, reg;
 
-	for_each_bit(bit, &uda1380_cache_dirty, UDA1380_CACHEREGNUM - 0x10) {
+	for_each_set_bit(bit, &uda1380_cache_dirty, UDA1380_CACHEREGNUM - 0x10) {
 		reg = 0x10 + bit;
 		pr_debug("uda1380: flush reg %x val %x:\n", reg,
 				uda1380_read_reg_cache(uda1380_codec, reg));
diff --git a/sound/soc/codecs/wm8350.c b/sound/soc/codecs/wm8350.c
index 718ef912e758..df2c6d9617fb 100644
--- a/sound/soc/codecs/wm8350.c
+++ b/sound/soc/codecs/wm8350.c
@@ -1349,7 +1349,7 @@ static irqreturn_t wm8350_hp_jack_handler(int irq, void *data)
 	int mask;
 	struct wm8350_jack_data *jack = NULL;
 
-	switch (irq) {
+	switch (irq - wm8350->irq_base) {
 	case WM8350_IRQ_CODEC_JCK_DET_L:
 		jack = &priv->hpl;
 		mask = WM8350_JACK_L_LVL;
@@ -1424,7 +1424,7 @@ int wm8350_hp_jack_detect(struct snd_soc_codec *codec, enum wm8350_jack which,
 	wm8350_set_bits(wm8350, WM8350_JACK_DETECT, ena);
 
 	/* Sync status */
-	wm8350_hp_jack_handler(irq, priv);
+	wm8350_hp_jack_handler(irq + wm8350->irq_base, priv);
 
 	return 0;
 }
@@ -1521,8 +1521,8 @@ static int wm8350_remove(struct platform_device *pdev)
 			  WM8350_JDL_ENA | WM8350_JDR_ENA);
 	wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_4, WM8350_TOCLK_ENA);
 
-	wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L);
-	wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R);
+	wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_L, priv);
+	wm8350_free_irq(wm8350, WM8350_IRQ_CODEC_JCK_DET_R, priv);
 
 	priv->hpl.jack = NULL;
 	priv->hpr.jack = NULL;
diff --git a/sound/soc/codecs/wm8990.c b/sound/soc/codecs/wm8990.c
index a54dc77b7f34..056b787b6ee0 100644
--- a/sound/soc/codecs/wm8990.c
+++ b/sound/soc/codecs/wm8990.c
@@ -990,7 +990,7 @@ static int wm8990_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
 		reg = snd_soc_read(codec, WM8990_CLOCKING_2);
 		snd_soc_write(codec, WM8990_CLOCKING_2, reg | WM8990_SYSCLK_SRC);
 
-		/* set up N , fractional mode and pre-divisor if neccessary */
+		/* set up N , fractional mode and pre-divisor if necessary */
 		snd_soc_write(codec, WM8990_PLL1, pll_div.n | WM8990_SDM |
 			(pll_div.div2?WM8990_PRESCALE:0));
 		snd_soc_write(codec, WM8990_PLL2, (u8)(pll_div.k>>8));
diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index 0ad9f5d536c6..486bdd21a98a 100644
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -74,7 +74,7 @@ static void wait_for_dc_servo(struct snd_soc_codec *codec)
 		msleep(1);
 		reg = snd_soc_read(codec, WM8993_DC_SERVO_READBACK_0);
 		dev_dbg(codec->dev, "DC servo: %x\n", reg);
-	} while (reg & WM8993_DCS_DATAPATH_BUSY);
+	} while (reg & WM8993_DCS_DATAPATH_BUSY && count < 400);
 
 	if (reg & WM8993_DCS_DATAPATH_BUSY)
 		dev_err(codec->dev, "Timed out waiting for DC Servo\n");
diff --git a/sound/soc/imx/Kconfig b/sound/soc/imx/Kconfig
index c7d0fd9b7de8..7174b4c710de 100644
--- a/sound/soc/imx/Kconfig
+++ b/sound/soc/imx/Kconfig
@@ -1,6 +1,6 @@
 config SND_IMX_SOC
 	tristate "SoC Audio for Freescale i.MX CPUs"
-	depends on ARCH_MXC && BROKEN
+	depends on ARCH_MXC
 	select SND_PCM
 	select FIQ
 	select SND_SOC_AC97_BUS
diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c
index e69397f40f72..9e95e5117c88 100644
--- a/sound/soc/pxa/pxa-ssp.c
+++ b/sound/soc/pxa/pxa-ssp.c
@@ -42,11 +42,14 @@
  * SSP audio private data
  */
 struct ssp_priv {
-	struct ssp_dev dev;
+	struct ssp_device *ssp;
 	unsigned int sysclk;
 	int dai_fmt;
 #ifdef CONFIG_PM
-	struct ssp_state state;
+	uint32_t	cr0;
+	uint32_t	cr1;
+	uint32_t	to;
+	uint32_t	psp;
 #endif
 };
 
@@ -61,6 +64,22 @@ static void dump_registers(struct ssp_device *ssp)
 		 ssp_read_reg(ssp, SSACD));
 }
 
+static void ssp_enable(struct ssp_device *ssp)
+{
+	uint32_t sscr0;
+
+	sscr0 = __raw_readl(ssp->mmio_base + SSCR0) | SSCR0_SSE;
+	__raw_writel(sscr0, ssp->mmio_base + SSCR0);
+}
+
+static void ssp_disable(struct ssp_device *ssp)
+{
+	uint32_t sscr0;
+
+	sscr0 = __raw_readl(ssp->mmio_base + SSCR0) & ~SSCR0_SSE;
+	__raw_writel(sscr0, ssp->mmio_base + SSCR0);
+}
+
 struct pxa2xx_pcm_dma_data {
 	struct pxa2xx_pcm_dma_params params;
 	char name[20];
@@ -94,13 +113,12 @@ static int pxa_ssp_startup(struct snd_pcm_substream *substream,
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
 	struct ssp_priv *priv = cpu_dai->private_data;
+	struct ssp_device *ssp = priv->ssp;
 	int ret = 0;
 
 	if (!cpu_dai->active) {
-		priv->dev.port = cpu_dai->id + 1;
-		priv->dev.irq = NO_IRQ;
-		clk_enable(priv->dev.ssp->clk);
-		ssp_disable(&priv->dev);
+		clk_enable(ssp->clk);
+		ssp_disable(ssp);
 	}
 
 	if (cpu_dai->dma_data) {
@@ -116,10 +134,11 @@ static void pxa_ssp_shutdown(struct snd_pcm_substream *substream,
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
 	struct ssp_priv *priv = cpu_dai->private_data;
+	struct ssp_device *ssp = priv->ssp;
 
 	if (!cpu_dai->active) {
-		ssp_disable(&priv->dev);
-		clk_disable(priv->dev.ssp->clk);
+		ssp_disable(ssp);
+		clk_disable(ssp->clk);
 	}
 
 	if (cpu_dai->dma_data) {
@@ -133,27 +152,39 @@ static void pxa_ssp_shutdown(struct snd_pcm_substream *substream,
 static int pxa_ssp_suspend(struct snd_soc_dai *cpu_dai)
 {
 	struct ssp_priv *priv = cpu_dai->private_data;
+	struct ssp_device *ssp = priv->ssp;
 
 	if (!cpu_dai->active)
-		clk_enable(priv->dev.ssp->clk);
+		clk_enable(ssp->clk);
 
-	ssp_save_state(&priv->dev, &priv->state);
-	clk_disable(priv->dev.ssp->clk);
+	priv->cr0 = __raw_readl(ssp->mmio_base + SSCR0);
+	priv->cr1 = __raw_readl(ssp->mmio_base + SSCR1);
+	priv->to  = __raw_readl(ssp->mmio_base + SSTO);
+	priv->psp = __raw_readl(ssp->mmio_base + SSPSP);
 
+	ssp_disable(ssp);
+	clk_disable(ssp->clk);
 	return 0;
 }
 
 static int pxa_ssp_resume(struct snd_soc_dai *cpu_dai)
 {
 	struct ssp_priv *priv = cpu_dai->private_data;
+	struct ssp_device *ssp = priv->ssp;
+	uint32_t sssr = SSSR_ROR | SSSR_TUR | SSSR_BCE;
+
+	clk_enable(ssp->clk);
 
-	clk_enable(priv->dev.ssp->clk);
-	ssp_restore_state(&priv->dev, &priv->state);
+	__raw_writel(sssr, ssp->mmio_base + SSSR);
+	__raw_writel(priv->cr0 & ~SSCR0_SSE, ssp->mmio_base + SSCR0);
+	__raw_writel(priv->cr1, ssp->mmio_base + SSCR1);
+	__raw_writel(priv->to,  ssp->mmio_base + SSTO);
+	__raw_writel(priv->psp, ssp->mmio_base + SSPSP);
 
 	if (cpu_dai->active)
-		ssp_enable(&priv->dev);
+		ssp_enable(ssp);
 	else
-		clk_disable(priv->dev.ssp->clk);
+		clk_disable(ssp->clk);
 
 	return 0;
 }
@@ -203,7 +234,7 @@ static int pxa_ssp_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
 	int clk_id, unsigned int freq, int dir)
 {
 	struct ssp_priv *priv = cpu_dai->private_data;
-	struct ssp_device *ssp = priv->dev.ssp;
+	struct ssp_device *ssp = priv->ssp;
 	int val;
 
 	u32 sscr0 = ssp_read_reg(ssp, SSCR0) &
@@ -244,11 +275,11 @@ static int pxa_ssp_set_dai_sysclk(struct snd_soc_dai *cpu_dai,
 	/* The SSP clock must be disabled when changing SSP clock mode
 	 * on PXA2xx.  On PXA3xx it must be enabled when doing so. */
 	if (!cpu_is_pxa3xx())
-		clk_disable(priv->dev.ssp->clk);
+		clk_disable(ssp->clk);
 	val = ssp_read_reg(ssp, SSCR0) | sscr0;
 	ssp_write_reg(ssp, SSCR0, val);
 	if (!cpu_is_pxa3xx())
-		clk_enable(priv->dev.ssp->clk);
+		clk_enable(ssp->clk);
 
 	return 0;
 }
@@ -260,7 +291,7 @@ static int pxa_ssp_set_dai_clkdiv(struct snd_soc_dai *cpu_dai,
 	int div_id, int div)
 {
 	struct ssp_priv *priv = cpu_dai->private_data;
-	struct ssp_device *ssp = priv->dev.ssp;
+	struct ssp_device *ssp = priv->ssp;
 	int val;
 
 	switch (div_id) {
@@ -311,7 +342,7 @@ static int pxa_ssp_set_dai_pll(struct snd_soc_dai *cpu_dai, int pll_id,
 	int source, unsigned int freq_in, unsigned int freq_out)
 {
 	struct ssp_priv *priv = cpu_dai->private_data;
-	struct ssp_device *ssp = priv->dev.ssp;
+	struct ssp_device *ssp = priv->ssp;
 	u32 ssacd = ssp_read_reg(ssp, SSACD) & ~0x70;
 
 #if defined(CONFIG_PXA3xx)
@@ -380,7 +411,7 @@ static int pxa_ssp_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai,
 	unsigned int tx_mask, unsigned int rx_mask, int slots, int slot_width)
 {
 	struct ssp_priv *priv = cpu_dai->private_data;
-	struct ssp_device *ssp = priv->dev.ssp;
+	struct ssp_device *ssp = priv->ssp;
 	u32 sscr0;
 
 	sscr0 = ssp_read_reg(ssp, SSCR0);
@@ -415,7 +446,7 @@ static int pxa_ssp_set_dai_tristate(struct snd_soc_dai *cpu_dai,
 	int tristate)
 {
 	struct ssp_priv *priv = cpu_dai->private_data;
-	struct ssp_device *ssp = priv->dev.ssp;
+	struct ssp_device *ssp = priv->ssp;
 	u32 sscr1;
 
 	sscr1 = ssp_read_reg(ssp, SSCR1);
@@ -437,7 +468,7 @@ static int pxa_ssp_set_dai_fmt(struct snd_soc_dai *cpu_dai,
 		unsigned int fmt)
 {
 	struct ssp_priv *priv = cpu_dai->private_data;
-	struct ssp_device *ssp = priv->dev.ssp;
+	struct ssp_device *ssp = priv->ssp;
 	u32 sscr0;
 	u32 sscr1;
 	u32 sspsp;
@@ -532,7 +563,7 @@ static int pxa_ssp_hw_params(struct snd_pcm_substream *substream,
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
 	struct ssp_priv *priv = cpu_dai->private_data;
-	struct ssp_device *ssp = priv->dev.ssp;
+	struct ssp_device *ssp = priv->ssp;
 	int chn = params_channels(params);
 	u32 sscr0;
 	u32 sspsp;
@@ -642,12 +673,12 @@ static int pxa_ssp_trigger(struct snd_pcm_substream *substream, int cmd,
 	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
 	int ret = 0;
 	struct ssp_priv *priv = cpu_dai->private_data;
-	struct ssp_device *ssp = priv->dev.ssp;
+	struct ssp_device *ssp = priv->ssp;
 	int val;
 
 	switch (cmd) {
 	case SNDRV_PCM_TRIGGER_RESUME:
-		ssp_enable(&priv->dev);
+		ssp_enable(ssp);
 		break;
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 		val = ssp_read_reg(ssp, SSCR1);
@@ -666,7 +697,7 @@ static int pxa_ssp_trigger(struct snd_pcm_substream *substream, int cmd,
 		else
 			val |= SSCR1_RSRE;
 		ssp_write_reg(ssp, SSCR1, val);
-		ssp_enable(&priv->dev);
+		ssp_enable(ssp);
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
 		val = ssp_read_reg(ssp, SSCR1);
@@ -677,7 +708,7 @@ static int pxa_ssp_trigger(struct snd_pcm_substream *substream, int cmd,
 		ssp_write_reg(ssp, SSCR1, val);
 		break;
 	case SNDRV_PCM_TRIGGER_SUSPEND:
-		ssp_disable(&priv->dev);
+		ssp_disable(ssp);
 		break;
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
 		val = ssp_read_reg(ssp, SSCR1);
@@ -707,8 +738,8 @@ static int pxa_ssp_probe(struct platform_device *pdev,
 	if (!priv)
 		return -ENOMEM;
 
-	priv->dev.ssp = ssp_request(dai->id + 1, "SoC audio");
-	if (priv->dev.ssp == NULL) {
+	priv->ssp = ssp_request(dai->id + 1, "SoC audio");
+	if (priv->ssp == NULL) {
 		ret = -ENODEV;
 		goto err_priv;
 	}
@@ -727,7 +758,7 @@ static void pxa_ssp_remove(struct platform_device *pdev,
 			      struct snd_soc_dai *dai)
 {
 	struct ssp_priv *priv = dai->private_data;
-	ssp_free(priv->dev.ssp);
+	ssp_free(priv->ssp);
 }
 
 #define PXA_SSP_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
diff --git a/sound/soc/s3c24xx/s3c64xx-i2s.c b/sound/soc/s3c24xx/s3c64xx-i2s.c
index 93ed3aad1631..a72c251401ac 100644
--- a/sound/soc/s3c24xx/s3c64xx-i2s.c
+++ b/sound/soc/s3c24xx/s3c64xx-i2s.c
@@ -22,8 +22,8 @@
 #include <sound/soc.h>
 
 #include <plat/regs-s3c2412-iis.h>
-#include <plat/gpio-bank-d.h>
-#include <plat/gpio-bank-e.h>
+#include <mach/gpio-bank-d.h>
+#include <mach/gpio-bank-e.h>
 #include <plat/gpio-cfg.h>
 
 #include <mach/map.h>
diff --git a/sound/soc/sh/Kconfig b/sound/soc/sh/Kconfig
index 106674979b53..f07f6d8b93e1 100644
--- a/sound/soc/sh/Kconfig
+++ b/sound/soc/sh/Kconfig
@@ -32,6 +32,7 @@ config SND_SOC_SH4_SIU
 	select DMA_ENGINE
 	select DMADEVICES
 	select SH_DMAE
+	select FW_LOADER
 
 ##
 ## Boards
diff --git a/sound/soc/sh/siu.h b/sound/soc/sh/siu.h
index 9cc04ab2bce7..c0bfab8fed3d 100644
--- a/sound/soc/sh/siu.h
+++ b/sound/soc/sh/siu.h
@@ -72,7 +72,7 @@ struct siu_firmware {
 #include <linux/interrupt.h>
 #include <linux/io.h>
 
-#include <asm/dma-sh.h>
+#include <asm/dmaengine.h>
 
 #include <sound/core.h>
 #include <sound/pcm.h>
diff --git a/sound/soc/sh/siu_pcm.c b/sound/soc/sh/siu_pcm.c
index c5efc30f0136..ba7f8d05d977 100644
--- a/sound/soc/sh/siu_pcm.c
+++ b/sound/soc/sh/siu_pcm.c
@@ -32,7 +32,7 @@
 #include <sound/pcm_params.h>
 #include <sound/soc-dai.h>
 
-#include <asm/dma-sh.h>
+#include <asm/dmaengine.h>
 #include <asm/siu.h>
 
 #include "siu.h"
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index a03bac943aaf..c8b0556ef431 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -427,24 +427,24 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 	if (!runtime->hw.rates) {
 		printk(KERN_ERR "asoc: %s <-> %s No matching rates\n",
 			codec_dai->name, cpu_dai->name);
-		goto machine_err;
+		goto config_err;
 	}
 	if (!runtime->hw.formats) {
 		printk(KERN_ERR "asoc: %s <-> %s No matching formats\n",
 			codec_dai->name, cpu_dai->name);
-		goto machine_err;
+		goto config_err;
 	}
 	if (!runtime->hw.channels_min || !runtime->hw.channels_max) {
 		printk(KERN_ERR "asoc: %s <-> %s No matching channels\n",
 			codec_dai->name, cpu_dai->name);
-		goto machine_err;
+		goto config_err;
 	}
 
 	/* Symmetry only applies if we've already got an active stream. */
 	if (cpu_dai->active || codec_dai->active) {
 		ret = soc_pcm_apply_symmetry(substream);
 		if (ret != 0)
-			goto machine_err;
+			goto config_err;
 	}
 
 	pr_debug("asoc: %s <-> %s info:\n", codec_dai->name, cpu_dai->name);
@@ -464,10 +464,14 @@ static int soc_pcm_open(struct snd_pcm_substream *substream)
 	mutex_unlock(&pcm_mutex);
 	return 0;
 
-machine_err:
+config_err:
 	if (machine->ops && machine->ops->shutdown)
 		machine->ops->shutdown(substream);
 
+machine_err:
+	if (codec_dai->ops->shutdown)
+		codec_dai->ops->shutdown(substream, codec_dai);
+
 codec_dai_err:
 	if (platform->pcm_ops->close)
 		platform->pcm_ops->close(substream);
diff --git a/sound/usb/Kconfig b/sound/usb/Kconfig
index 8c2925814ce4..c570ae3e6d55 100644
--- a/sound/usb/Kconfig
+++ b/sound/usb/Kconfig
@@ -22,13 +22,13 @@ config SND_USB_AUDIO
 	  will be called snd-usb-audio.
 
 config SND_USB_UA101
-	tristate "Edirol UA-101 driver (EXPERIMENTAL)"
+	tristate "Edirol UA-101/UA-1000 driver (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
 	select SND_PCM
 	select SND_RAWMIDI
 	help
-	  Say Y here to include support for the Edirol UA-101 audio/MIDI
-	  interface.
+	  Say Y here to include support for the Edirol UA-101 and UA-1000
+	  audio/MIDI interfaces.
 
 	  To compile this driver as a module, choose M here: the module
 	  will be called snd-ua101.
diff --git a/sound/usb/caiaq/midi.h b/sound/usb/caiaq/midi.h
index 9d16db027fc3..380f984babc9 100644
--- a/sound/usb/caiaq/midi.h
+++ b/sound/usb/caiaq/midi.h
@@ -3,6 +3,6 @@
 
 int snd_usb_caiaq_midi_init(struct snd_usb_caiaqdev *dev);
 void snd_usb_caiaq_midi_handle_input(struct snd_usb_caiaqdev *dev, int port, const char *buf, int len);
-void snd_usb_caiaq_midi_output_done(struct urb* urb);
+void snd_usb_caiaq_midi_output_done(struct urb *urb);
 
 #endif /* CAIAQ_MIDI_H */
diff --git a/sound/usb/ua101.c b/sound/usb/ua101.c
index 4f4ccdf70dd0..3d458d3b9962 100644
--- a/sound/usb/ua101.c
+++ b/sound/usb/ua101.c
@@ -1,5 +1,5 @@
 /*
- * Edirol UA-101 driver
+ * Edirol UA-101/UA-1000 driver
  * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
  *
  * This driver is free software: you can redistribute it and/or modify
@@ -25,13 +25,10 @@
 #include <sound/pcm_params.h>
 #include "usbaudio.h"
 
-MODULE_DESCRIPTION("Edirol UA-101 driver");
+MODULE_DESCRIPTION("Edirol UA-101/1000 driver");
 MODULE_AUTHOR("Clemens Ladisch <clemens@ladisch.de>");
 MODULE_LICENSE("GPL v2");
-MODULE_SUPPORTED_DEVICE("{{Edirol,UA-101}}");
-
-/* I use my UA-1A for testing because I don't have a UA-101 ... */
-#define UA1A_HACK
+MODULE_SUPPORTED_DEVICE("{{Edirol,UA-101},{Edirol,UA-1000}}");
 
 /*
  * Should not be lower than the minimum scheduling delay of the host
@@ -132,9 +129,6 @@ struct ua101 {
 			dma_addr_t dma;
 		} buffers[MAX_MEMORY_BUFFERS];
 	} capture, playback;
-
-	unsigned int fps[10];
-	unsigned int frame_counter;
 };
 
 static DEFINE_MUTEX(devices_mutex);
@@ -424,16 +418,6 @@ static void capture_urb_complete(struct urb *urb)
 	if (do_period_elapsed)
 		snd_pcm_period_elapsed(stream->substream);
 
-	/* for debugging: measure the sample rate relative to the USB clock */
-	ua->fps[ua->frame_counter++ / ua->packets_per_second] += frames;
-	if (ua->frame_counter >= ARRAY_SIZE(ua->fps) * ua->packets_per_second) {
-		printk(KERN_DEBUG "capture rate:");
-		for (frames = 0; frames < ARRAY_SIZE(ua->fps); ++frames)
-			printk(KERN_CONT " %u", ua->fps[frames]);
-		printk(KERN_CONT "\n");
-		memset(ua->fps, 0, sizeof(ua->fps));
-		ua->frame_counter = 0;
-	}
 	return;
 
 stream_stopped:
@@ -1200,13 +1184,30 @@ static int ua101_probe(struct usb_interface *interface,
 		.type = QUIRK_MIDI_FIXED_ENDPOINT,
 		.data = &midi_ep
 	};
+	static const int intf_numbers[2][3] = {
+		{	/* UA-101 */
+			[INTF_PLAYBACK] = 0,
+			[INTF_CAPTURE] = 1,
+			[INTF_MIDI] = 2,
+		},
+		{	/* UA-1000 */
+			[INTF_CAPTURE] = 1,
+			[INTF_PLAYBACK] = 2,
+			[INTF_MIDI] = 3,
+		},
+	};
 	struct snd_card *card;
 	struct ua101 *ua;
 	unsigned int card_index, i;
+	int is_ua1000;
+	const char *name;
 	char usb_path[32];
 	int err;
 
-	if (interface->altsetting->desc.bInterfaceNumber != 0)
+	is_ua1000 = usb_id->idProduct == 0x0044;
+
+	if (interface->altsetting->desc.bInterfaceNumber !=
+	    intf_numbers[is_ua1000][0])
 		return -ENODEV;
 
 	mutex_lock(&devices_mutex);
@@ -1239,20 +1240,13 @@ static int ua101_probe(struct usb_interface *interface,
 	init_waitqueue_head(&ua->rate_feedback_wait);
 	init_waitqueue_head(&ua->alsa_playback_wait);
 
-#ifdef UA1A_HACK
-	if (ua->dev->descriptor.idProduct == cpu_to_le16(0x0018)) {
-		ua->intf[2] = interface;
-		ua->intf[0] = usb_ifnum_to_if(ua->dev, 1);
-		ua->intf[1] = usb_ifnum_to_if(ua->dev, 2);
-		usb_driver_claim_interface(&ua101_driver, ua->intf[0], ua);
-		usb_driver_claim_interface(&ua101_driver, ua->intf[1], ua);
-	} else {
-#endif
 	ua->intf[0] = interface;
 	for (i = 1; i < ARRAY_SIZE(ua->intf); ++i) {
-		ua->intf[i] = usb_ifnum_to_if(ua->dev, i);
+		ua->intf[i] = usb_ifnum_to_if(ua->dev,
+					      intf_numbers[is_ua1000][i]);
 		if (!ua->intf[i]) {
-			dev_err(&ua->dev->dev, "interface %u not found\n", i);
+			dev_err(&ua->dev->dev, "interface %u not found\n",
+				intf_numbers[is_ua1000][i]);
 			err = -ENXIO;
 			goto probe_error;
 		}
@@ -1264,39 +1258,19 @@ static int ua101_probe(struct usb_interface *interface,
 			goto probe_error;
 		}
 	}
-#ifdef UA1A_HACK
-	}
-#endif
 
 	snd_card_set_dev(card, &interface->dev);
 
-#ifdef UA1A_HACK
-	if (ua->dev->descriptor.idProduct == cpu_to_le16(0x0018)) {
-		ua->format_bit = SNDRV_PCM_FMTBIT_S16_LE;
-		ua->rate = 44100;
-		ua->packets_per_second = 1000;
-		ua->capture.channels = 2;
-		ua->playback.channels = 2;
-		ua->capture.frame_bytes = 4;
-		ua->playback.frame_bytes = 4;
-		ua->capture.usb_pipe = usb_rcvisocpipe(ua->dev, 2);
-		ua->playback.usb_pipe = usb_sndisocpipe(ua->dev, 1);
-		ua->capture.max_packet_bytes = 192;
-		ua->playback.max_packet_bytes = 192;
-	} else {
-#endif
 	err = detect_usb_format(ua);
 	if (err < 0)
 		goto probe_error;
-#ifdef UA1A_HACK
-	}
-#endif
 
+	name = usb_id->idProduct == 0x0044 ? "UA-1000" : "UA-101";
 	strcpy(card->driver, "UA-101");
-	strcpy(card->shortname, "UA-101");
+	strcpy(card->shortname, name);
 	usb_make_path(ua->dev, usb_path, sizeof(usb_path));
 	snprintf(ua->card->longname, sizeof(ua->card->longname),
-		 "EDIROL UA-101 (serial %s), %u Hz at %s, %s speed",
+		 "EDIROL %s (serial %s), %u Hz at %s, %s speed", name,
 		 ua->dev->serial ? ua->dev->serial : "?", ua->rate, usb_path,
 		 ua->dev->speed == USB_SPEED_HIGH ? "high" : "full");
 
@@ -1314,24 +1288,18 @@ static int ua101_probe(struct usb_interface *interface,
 	if (err < 0)
 		goto probe_error;
 
-	err = snd_pcm_new(card, "UA-101", 0, 1, 1, &ua->pcm);
+	err = snd_pcm_new(card, name, 0, 1, 1, &ua->pcm);
 	if (err < 0)
 		goto probe_error;
 	ua->pcm->private_data = ua;
-	strcpy(ua->pcm->name, "UA-101");
+	strcpy(ua->pcm->name, name);
 	snd_pcm_set_ops(ua->pcm, SNDRV_PCM_STREAM_PLAYBACK, &playback_pcm_ops);
 	snd_pcm_set_ops(ua->pcm, SNDRV_PCM_STREAM_CAPTURE, &capture_pcm_ops);
 
-#ifdef UA1A_HACK
-	if (ua->dev->descriptor.idProduct != cpu_to_le16(0x0018)) {
-#endif
 	err = snd_usbmidi_create(card, ua->intf[INTF_MIDI],
 				 &ua->midi_list, &midi_quirk);
 	if (err < 0)
 		goto probe_error;
-#ifdef UA1A_HACK
-	}
-#endif
 
 	err = snd_card_register(card);
 	if (err < 0)
@@ -1386,11 +1354,9 @@ static void ua101_disconnect(struct usb_interface *interface)
 }
 
 static struct usb_device_id ua101_ids[] = {
-#ifdef UA1A_HACK
-	{ USB_DEVICE(0x0582, 0x0018) },
-#endif
-	{ USB_DEVICE(0x0582, 0x007d) },
-	{ USB_DEVICE(0x0582, 0x008d) },
+	{ USB_DEVICE(0x0582, 0x0044) }, /* UA-1000 high speed */
+	{ USB_DEVICE(0x0582, 0x007d) }, /* UA-101 high speed */
+	{ USB_DEVICE(0x0582, 0x008d) }, /* UA-101 full speed */
 	{ }
 };
 MODULE_DEVICE_TABLE(usb, ua101_ids);
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c
index c539f7fe292f..11b0826b8fe6 100644
--- a/sound/usb/usbaudio.c
+++ b/sound/usb/usbaudio.c
@@ -2483,7 +2483,6 @@ static int parse_audio_format_i_type(struct snd_usb_audio *chip,
 				   sample_width, sample_bytes);
 		}
 		/* check the format byte size */
-		printk(" XXXXX SAMPLE BYTES %d\n", sample_bytes);
 		switch (sample_bytes) {
 		case 1:
 			pcm_format = SNDRV_PCM_FORMAT_S8;
@@ -2581,6 +2580,9 @@ static int parse_audio_format_rates_v1(struct snd_usb_audio *chip, struct audiof
 			     chip->usb_id == USB_ID(0x0d8c, 0x0102)) &&
 			    fp->altsetting == 5 && fp->maxpacksize == 392)
 				rate = 96000;
+			/* Creative VF0470 Live Cam reports 16 kHz instead of 8kHz */
+			if (rate == 16000 && chip->usb_id == USB_ID(0x041e, 0x4068))
+				rate = 8000;
 			fp->rate_table[fp->nr_rates] = rate;
 			if (!fp->rate_min || rate < fp->rate_min)
 				fp->rate_min = rate;
@@ -3386,58 +3388,6 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
 	return 0;
 }
 
-/*
- * Create a stream for an Edirol UA-1000 interface.
- */
-static int create_ua1000_quirk(struct snd_usb_audio *chip,
-			       struct usb_interface *iface,
-			       const struct snd_usb_audio_quirk *quirk)
-{
-	static const struct audioformat ua1000_format = {
-		.format = SNDRV_PCM_FORMAT_S32_LE,
-		.fmt_type = UAC_FORMAT_TYPE_I,
-		.altsetting = 1,
-		.altset_idx = 1,
-		.attributes = 0,
-		.rates = SNDRV_PCM_RATE_CONTINUOUS,
-	};
-	struct usb_host_interface *alts;
-	struct usb_interface_descriptor *altsd;
-	struct audioformat *fp;
-	int stream, err;
-
-	if (iface->num_altsetting != 2)
-		return -ENXIO;
-	alts = &iface->altsetting[1];
-	altsd = get_iface_desc(alts);
-	if (alts->extralen != 11 || alts->extra[1] != USB_DT_CS_INTERFACE ||
-	    altsd->bNumEndpoints != 1)
-		return -ENXIO;
-
-	fp = kmemdup(&ua1000_format, sizeof(*fp), GFP_KERNEL);
-	if (!fp)
-		return -ENOMEM;
-
-	fp->channels = alts->extra[4];
-	fp->iface = altsd->bInterfaceNumber;
-	fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;
-	fp->ep_attr = get_endpoint(alts, 0)->bmAttributes;
-	fp->datainterval = parse_datainterval(chip, alts);
-	fp->maxpacksize = le16_to_cpu(get_endpoint(alts, 0)->wMaxPacketSize);
-	fp->rate_max = fp->rate_min = combine_triple(&alts->extra[8]);
-
-	stream = (fp->endpoint & USB_DIR_IN)
-		? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK;
-	err = add_audio_endpoint(chip, stream, fp);
-	if (err < 0) {
-		kfree(fp);
-		return err;
-	}
-	/* FIXME: playback must be synchronized to capture */
-	usb_set_interface(chip->dev, fp->iface, 0);
-	return 0;
-}
-
 static int snd_usb_create_quirk(struct snd_usb_audio *chip,
 				struct usb_interface *iface,
 				const struct snd_usb_audio_quirk *quirk);
@@ -3686,7 +3636,6 @@ static int snd_usb_create_quirk(struct snd_usb_audio *chip,
 		[QUIRK_MIDI_CME] = create_any_midi_quirk,
 		[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
 		[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
-		[QUIRK_AUDIO_EDIROL_UA1000] = create_ua1000_quirk,
 		[QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
 		[QUIRK_AUDIO_ALIGN_TRANSFER] = create_align_transfer_quirk
 	};
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 6b016d4aac6b..42c299cbf63a 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -75,7 +75,6 @@ enum quirk_type {
 	QUIRK_MIDI_US122L,
 	QUIRK_AUDIO_STANDARD_INTERFACE,
 	QUIRK_AUDIO_FIXED_ENDPOINT,
-	QUIRK_AUDIO_EDIROL_UA1000,
 	QUIRK_AUDIO_EDIROL_UAXX,
 	QUIRK_AUDIO_ALIGN_TRANSFER,
 
@@ -112,7 +111,7 @@ struct snd_usb_midi_endpoint_info {
 
 /* for QUIRK_AUDIO/MIDI_STANDARD_INTERFACE, data is NULL */
 
-/* for QUIRK_AUDIO_EDIROL_UA700_UA25/UA1000, data is NULL */
+/* for QUIRK_AUDIO_EDIROL_UAXX, data is NULL */
 
 /* for QUIRK_IGNORE_INTERFACE, data is NULL */
 
diff --git a/sound/usb/usbquirks.h b/sound/usb/usbquirks.h
index f06faf7917b9..2b426c1fd0e8 100644
--- a/sound/usb/usbquirks.h
+++ b/sound/usb/usbquirks.h
@@ -1016,36 +1016,6 @@ YAMAHA_DEVICE(0x7010, "UB99"),
 	}
 },
 {
-	USB_DEVICE(0x0582, 0x0044),
-	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
-		.vendor_name = "Roland",
-		.product_name = "UA-1000",
-		.ifnum = QUIRK_ANY_INTERFACE,
-		.type = QUIRK_COMPOSITE,
-		.data = (const struct snd_usb_audio_quirk[]) {
-			{
-				.ifnum = 1,
-				.type = QUIRK_AUDIO_EDIROL_UA1000
-			},
-			{
-				.ifnum = 2,
-				.type = QUIRK_AUDIO_EDIROL_UA1000
-			},
-			{
-				.ifnum = 3,
-				.type = QUIRK_MIDI_FIXED_ENDPOINT,
-				.data = & (const struct snd_usb_midi_endpoint_info) {
-					.out_cables = 0x0003,
-					.in_cables  = 0x0003
-				}
-			},
-			{
-				.ifnum = -1
-			}
-		}
-	}
-},
-{
 	/* has ID 0x0049 when not in "Advanced Driver" mode */
 	USB_DEVICE(0x0582, 0x0047),
 	.driver_info = (unsigned long) & (const struct snd_usb_audio_quirk) {
diff --git a/tools/perf/Documentation/Makefile b/tools/perf/Documentation/Makefile
index bdd3b7ecad0a..bd498d496952 100644
--- a/tools/perf/Documentation/Makefile
+++ b/tools/perf/Documentation/Makefile
@@ -24,7 +24,10 @@ DOC_MAN1=$(patsubst %.txt,%.1,$(MAN1_TXT))
 DOC_MAN5=$(patsubst %.txt,%.5,$(MAN5_TXT))
 DOC_MAN7=$(patsubst %.txt,%.7,$(MAN7_TXT))
 
+# Make the path relative to DESTDIR, not prefix
+ifndef DESTDIR
 prefix?=$(HOME)
+endif
 bindir?=$(prefix)/bin
 htmldir?=$(prefix)/share/doc/perf-doc
 pdfdir?=$(prefix)/share/doc/perf-doc
@@ -32,7 +35,6 @@ mandir?=$(prefix)/share/man
 man1dir=$(mandir)/man1
 man5dir=$(mandir)/man5
 man7dir=$(mandir)/man7
-# DESTDIR=
 
 ASCIIDOC=asciidoc
 ASCIIDOC_EXTRA = --unsafe
diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt
new file mode 100644
index 000000000000..b317102138c8
--- /dev/null
+++ b/tools/perf/Documentation/perf-lock.txt
@@ -0,0 +1,29 @@
+perf-lock(1)
+============
+
+NAME
+----
+perf-lock - Analyze lock events
+
+SYNOPSIS
+--------
+[verse]
+'perf lock' {record|report|trace}
+
+DESCRIPTION
+-----------
+You can analyze various lock behaviours
+and statistics with this 'perf lock' command.
+
+  'perf lock record <command>' records lock events
+  between start and end <command>. And this command
+  produces the file "perf.data" which contains tracing
+  results of lock events.
+
+  'perf lock trace' shows raw lock events.
+
+  'perf lock report' reports statistical data.
+
+SEE ALSO
+--------
+linkperf:perf[1]
diff --git a/tools/perf/Documentation/perf-probe.txt b/tools/perf/Documentation/perf-probe.txt
index 2de34075f6a4..34202b1be0bb 100644
--- a/tools/perf/Documentation/perf-probe.txt
+++ b/tools/perf/Documentation/perf-probe.txt
@@ -41,7 +41,8 @@ OPTIONS
 
 -d::
 --del=::
-	Delete a probe event.
+	Delete probe events. This accepts glob wildcards('*', '?') and character
+	classes(e.g. [a-z], [!A-Z]).
 
 -l::
 --list::
@@ -50,17 +51,29 @@ OPTIONS
 -L::
 --line=::
 	Show source code lines which can be probed. This needs an argument
-	which specifies a range of the source code.
+	which specifies a range of the source code. (see LINE SYNTAX for detail)
+
+-f::
+--force::
+	Forcibly add events with existing name.
 
 PROBE SYNTAX
 ------------
 Probe points are defined by following syntax.
 
- "[EVENT=]FUNC[+OFFS|:RLN|%return][@SRC]|SRC:ALN [ARG ...]"
+    1) Define event based on function name
+     [EVENT=]FUNC[@SRC][:RLN|+OFFS|%return|;PTN] [ARG ...]
+
+    2) Define event based on source file with line number
+     [EVENT=]SRC:ALN [ARG ...]
+
+    3) Define event based on source file with lazy pattern
+     [EVENT=]SRC;PTN [ARG ...]
+
 
 'EVENT' specifies the name of new event, if omitted, it will be set the name of the probed function. Currently, event group name is set as 'probe'.
-'FUNC' specifies a probed function name, and it may have one of the following options; '+OFFS' is the offset from function entry address in bytes, 'RLN' is the relative-line number from function entry line, and '%return' means that it probes function return. In addition, 'SRC' specifies a source file which has that function.
-It is also possible to specify a probe point by the source line number by using 'SRC:ALN' syntax, where 'SRC' is the source file path and 'ALN' is the line number.
+'FUNC' specifies a probed function name, and it may have one of the following options; '+OFFS' is the offset from function entry address in bytes, ':RLN' is the relative-line number from function entry line, and '%return' means that it probes function return. And ';PTN' means lazy matching pattern (see LAZY MATCHING). Note that ';PTN' must be the end of the probe point definition.  In addition, '@SRC' specifies a source file which has that function.
+It is also possible to specify a probe point by the source line number or lazy matching by using 'SRC:ALN' or 'SRC;PTN' syntax, where 'SRC' is the source file path, ':ALN' is the line number and ';PTN' is the lazy matching pattern.
 'ARG' specifies the arguments of this probe point. You can use the name of local variable, or kprobe-tracer argument format (e.g. $retval, %ax, etc).
 
 LINE SYNTAX
@@ -76,6 +89,41 @@ and 'ALN2' is end line number in the file. It is also possible to specify how
 many lines to show by using 'NUM'.
 So, "source.c:100-120" shows lines between 100th to l20th in source.c file. And "func:10+20" shows 20 lines from 10th line of func function.
 
+LAZY MATCHING
+-------------
+ The lazy line matching is similar to glob matching but ignoring spaces in both of pattern and target. So this accepts wildcards('*', '?') and character classes(e.g. [a-z], [!A-Z]).
+
+e.g.
+ 'a=*' can matches 'a=b', 'a = b', 'a == b' and so on.
+
+This provides some sort of flexibility and robustness to probe point definitions against minor code changes. For example, actual 10th line of schedule() can be moved easily by modifying schedule(), but the same line matching 'rq=cpu_rq*' may still exist in the function.)
+
+
+EXAMPLES
+--------
+Display which lines in schedule() can be probed:
+
+ ./perf probe --line schedule
+
+Add a probe on schedule() function 12th line with recording cpu local variable:
+
+ ./perf probe schedule:12 cpu
+ or
+ ./perf probe --add='schedule:12 cpu'
+
+ this will add one or more probes which has the name start with "schedule".
+
+ Add probes on lines in schedule() function which calls update_rq_clock().
+
+ ./perf probe 'schedule;update_rq_clock*'
+ or
+ ./perf probe --add='schedule;update_rq_clock*'
+
+Delete all probes on schedule().
+
+ ./perf probe --del='schedule*'
+
+
 SEE ALSO
 --------
 linkperf:perf-trace[1], linkperf:perf-record[1]
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index 54a5b50ff312..8a8f52db7e38 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -216,7 +216,10 @@ STRIP ?= strip
 # runtime figures out where they are based on the path to the executable.
 # This can help installing the suite in a relocatable way.
 
+# Make the path relative to DESTDIR, not to prefix
+ifndef DESTDIR
 prefix = $(HOME)
+endif
 bindir_relative = bin
 bindir = $(prefix)/$(bindir_relative)
 mandir = share/man
@@ -233,7 +236,6 @@ sysconfdir = $(prefix)/etc
 ETC_PERFCONFIG = etc/perfconfig
 endif
 lib = lib
-# DESTDIR=
 
 export prefix bindir sharedir sysconfdir
 
@@ -387,6 +389,7 @@ LIB_H += util/thread.h
 LIB_H += util/trace-event.h
 LIB_H += util/probe-finder.h
 LIB_H += util/probe-event.h
+LIB_H += util/cpumap.h
 
 LIB_OBJS += util/abspath.o
 LIB_OBJS += util/alias.o
@@ -433,6 +436,7 @@ LIB_OBJS += util/sort.o
 LIB_OBJS += util/hist.o
 LIB_OBJS += util/probe-event.o
 LIB_OBJS += util/util.o
+LIB_OBJS += util/cpumap.o
 
 BUILTIN_OBJS += builtin-annotate.o
 
@@ -500,12 +504,12 @@ else
 	msg := $(error No libelf.h/libelf found, please install libelf-dev/elfutils-libelf-devel and glibc-dev[el]);
 endif
 
-ifneq ($(shell sh -c "(echo '\#ifndef _MIPS_SZLONG'; echo '\#define _MIPS_SZLONG 0'; echo '\#endif'; echo '\#include <dwarf.h>'; echo '\#include <libdwarf.h>'; echo 'int main(void) { Dwarf_Debug dbg; Dwarf_Error err; Dwarf_Ranges *rng; dwarf_init(0, DW_DLC_READ, 0, 0, &dbg, &err); dwarf_get_ranges(dbg, 0, &rng, 0, 0, &err); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/libdwarf -ldwarf -lelf -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
-	msg := $(warning No libdwarf.h found or old libdwarf.h found, disables dwarf support. Please install libdwarf-dev/libdwarf-devel >= 20081231);
-	BASIC_CFLAGS += -DNO_LIBDWARF
+ifneq ($(shell sh -c "(echo '\#include <dwarf.h>'; echo '\#include <libdw.h>'; echo 'int main(void) { Dwarf *dbg; dbg = dwarf_begin(0, DWARF_C_READ); return (long)dbg; }') | $(CC) -x c - $(ALL_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/elfutils -ldw -lelf -o $(BITBUCKET) $(ALL_LDFLAGS) $(EXTLIBS) "$(QUIET_STDERR)" && echo y"), y)
+	msg := $(warning No libdw.h found or old libdw.h found, disables dwarf support. Please install elfutils-devel/elfutils-dev);
+	BASIC_CFLAGS += -DNO_DWARF_SUPPORT
 else
-	BASIC_CFLAGS += -I/usr/include/libdwarf
-	EXTLIBS += -lelf -ldwarf
+	BASIC_CFLAGS += -I/usr/include/elfutils
+	EXTLIBS += -lelf -ldw
 	LIB_OBJS += util/probe-finder.o
 endif
 
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 5ec5de995872..6ad7148451c5 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -116,7 +116,7 @@ static int perf_session__add_hist_entry(struct perf_session *self,
 		return 0;
 	}
 
-	he = __perf_session__add_hist_entry(self, al, NULL, count, &hit);
+	he = __perf_session__add_hist_entry(&self->hists, al, NULL, count, &hit);
 	if (he == NULL)
 		return -ENOMEM;
 
@@ -564,8 +564,8 @@ static int __cmd_annotate(void)
 	if (verbose > 2)
 		dsos__fprintf(stdout);
 
-	perf_session__collapse_resort(session);
-	perf_session__output_resort(session, session->event_total[0]);
+	perf_session__collapse_resort(&session->hists);
+	perf_session__output_resort(&session->hists, session->event_total[0]);
 	perf_session__find_annotations(session);
 out_delete:
 	perf_session__delete(session);
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 18b3f505f9db..1ea15d8aeed1 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -26,7 +26,8 @@ static int perf_session__add_hist_entry(struct perf_session *self,
 					struct addr_location *al, u64 count)
 {
 	bool hit;
-	struct hist_entry *he = __perf_session__add_hist_entry(self, al, NULL,
+	struct hist_entry *he = __perf_session__add_hist_entry(&self->hists,
+							       al, NULL,
 							       count, &hit);
 	if (he == NULL)
 		return -ENOMEM;
@@ -114,7 +115,7 @@ static void perf_session__resort_hist_entries(struct perf_session *self)
 
 static void perf_session__set_hist_entries_positions(struct perf_session *self)
 {
-	perf_session__output_resort(self, self->events_stats.total);
+	perf_session__output_resort(&self->hists, self->events_stats.total);
 	perf_session__resort_hist_entries(self);
 }
 
@@ -166,13 +167,15 @@ static int __cmd_diff(void)
 			goto out_delete;
 	}
 
-	perf_session__output_resort(session[1], session[1]->events_stats.total);
+	perf_session__output_resort(&session[1]->hists,
+				    session[1]->events_stats.total);
 	if (show_displacement)
 		perf_session__set_hist_entries_positions(session[0]);
 
 	perf_session__match_hists(session[0], session[1]);
-	perf_session__fprintf_hists(session[1], session[0],
-				    show_displacement, stdout);
+	perf_session__fprintf_hists(&session[1]->hists, session[0],
+				    show_displacement, stdout,
+				    session[1]->events_stats.total);
 out_delete:
 	for (i = 0; i < 2; ++i)
 		perf_session__delete(session[i]);
diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c
index fb9ab2ad3f92..e12c844df1e2 100644
--- a/tools/perf/builtin-lock.c
+++ b/tools/perf/builtin-lock.c
@@ -460,6 +460,150 @@ process_raw_event(void *data, int cpu,
 		process_lock_release_event(data, event, cpu, timestamp, thread);
 }
 
+struct raw_event_queue {
+	u64			timestamp;
+	int			cpu;
+	void			*data;
+	struct thread		*thread;
+	struct list_head	list;
+};
+
+static LIST_HEAD(raw_event_head);
+
+#define FLUSH_PERIOD	(5 * NSEC_PER_SEC)
+
+static u64 flush_limit = ULLONG_MAX;
+static u64 last_flush = 0;
+struct raw_event_queue *last_inserted;
+
+static void flush_raw_event_queue(u64 limit)
+{
+	struct raw_event_queue *tmp, *iter;
+
+	list_for_each_entry_safe(iter, tmp, &raw_event_head, list) {
+		if (iter->timestamp > limit)
+			return;
+
+		if (iter == last_inserted)
+			last_inserted = NULL;
+
+		process_raw_event(iter->data, iter->cpu, iter->timestamp,
+				  iter->thread);
+
+		last_flush = iter->timestamp;
+		list_del(&iter->list);
+		free(iter->data);
+		free(iter);
+	}
+}
+
+static void __queue_raw_event_end(struct raw_event_queue *new)
+{
+	struct raw_event_queue *iter;
+
+	list_for_each_entry_reverse(iter, &raw_event_head, list) {
+		if (iter->timestamp < new->timestamp) {
+			list_add(&new->list, &iter->list);
+			return;
+		}
+	}
+
+	list_add(&new->list, &raw_event_head);
+}
+
+static void __queue_raw_event_before(struct raw_event_queue *new,
+				     struct raw_event_queue *iter)
+{
+	list_for_each_entry_continue_reverse(iter, &raw_event_head, list) {
+		if (iter->timestamp < new->timestamp) {
+			list_add(&new->list, &iter->list);
+			return;
+		}
+	}
+
+	list_add(&new->list, &raw_event_head);
+}
+
+static void __queue_raw_event_after(struct raw_event_queue *new,
+				     struct raw_event_queue *iter)
+{
+	list_for_each_entry_continue(iter, &raw_event_head, list) {
+		if (iter->timestamp > new->timestamp) {
+			list_add_tail(&new->list, &iter->list);
+			return;
+		}
+	}
+	list_add_tail(&new->list, &raw_event_head);
+}
+
+/* The queue is ordered by time */
+static void __queue_raw_event(struct raw_event_queue *new)
+{
+	if (!last_inserted) {
+		__queue_raw_event_end(new);
+		return;
+	}
+
+	/*
+	 * Most of the time the current event has a timestamp
+	 * very close to the last event inserted, unless we just switched
+	 * to another event buffer. Having a sorting based on a list and
+	 * on the last inserted event that is close to the current one is
+	 * probably more efficient than an rbtree based sorting.
+	 */
+	if (last_inserted->timestamp >= new->timestamp)
+		__queue_raw_event_before(new, last_inserted);
+	else
+		__queue_raw_event_after(new, last_inserted);
+}
+
+static void queue_raw_event(void *data, int raw_size, int cpu,
+			    u64 timestamp, struct thread *thread)
+{
+	struct raw_event_queue *new;
+
+	if (flush_limit == ULLONG_MAX)
+		flush_limit = timestamp + FLUSH_PERIOD;
+
+	if (timestamp < last_flush) {
+		printf("Warning: Timestamp below last timeslice flush\n");
+		return;
+	}
+
+	new = malloc(sizeof(*new));
+	if (!new)
+		die("Not enough memory\n");
+
+	new->timestamp = timestamp;
+	new->cpu = cpu;
+	new->thread = thread;
+
+	new->data = malloc(raw_size);
+	if (!new->data)
+		die("Not enough memory\n");
+
+	memcpy(new->data, data, raw_size);
+
+	__queue_raw_event(new);
+	last_inserted = new;
+
+	/*
+	 * We want to have a slice of events covering 2 * FLUSH_PERIOD
+	 * If FLUSH_PERIOD is big enough, it ensures every events that occured
+	 * in the first half of the timeslice have all been buffered and there
+	 * are none remaining (we need that because of the weakly ordered
+	 * event recording we have). Then once we reach the 2 * FLUSH_PERIOD
+	 * timeslice, we flush the first half to be gentle with the memory
+	 * (the second half can still get new events in the middle, so wait
+	 * another period to flush it)
+	 */
+	if (new->timestamp > flush_limit &&
+		new->timestamp - flush_limit > FLUSH_PERIOD) {
+		flush_limit += FLUSH_PERIOD;
+		flush_raw_event_queue(flush_limit);
+	}
+}
+
 static int process_sample_event(event_t *event, struct perf_session *session)
 {
 	struct thread *thread;
@@ -480,7 +624,7 @@ static int process_sample_event(event_t *event, struct perf_session *session)
 	if (profile_cpu != -1 && profile_cpu != (int) data.cpu)
 		return 0;
 
-	process_raw_event(data.raw_data, data.cpu, data.time, thread);
+	queue_raw_event(data.raw_data, data.raw_size, data.cpu, data.time, thread);
 
 	return 0;
 }
@@ -576,6 +720,7 @@ static void __cmd_report(void)
 	setup_pager();
 	select_key();
 	read_events();
+	flush_raw_event_queue(ULLONG_MAX);
 	sort_result();
 	print_result();
 }
@@ -608,7 +753,6 @@ static const char *record_args[] = {
 	"record",
 	"-a",
 	"-R",
-	"-M",
 	"-f",
 	"-m", "1024",
 	"-c", "1",
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index ad47bd4c50ef..152d6c9b1fa4 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -47,7 +47,6 @@
 #include "util/probe-event.h"
 
 #define MAX_PATH_LEN 256
-#define MAX_PROBES 128
 
 /* Session management structure */
 static struct {
@@ -128,7 +127,7 @@ static void evaluate_probe_point(struct probe_point *pp)
 		    pp->function);
 }
 
-#ifndef NO_LIBDWARF
+#ifndef NO_DWARF_SUPPORT
 static int open_vmlinux(void)
 {
 	if (map__load(session.kmaps[MAP__FUNCTION], NULL) < 0) {
@@ -156,14 +155,16 @@ static const char * const probe_usage[] = {
 	"perf probe [<options>] --add 'PROBEDEF' [--add 'PROBEDEF' ...]",
 	"perf probe [<options>] --del '[GROUP:]EVENT' ...",
 	"perf probe --list",
+#ifndef NO_DWARF_SUPPORT
 	"perf probe --line 'LINEDESC'",
+#endif
 	NULL
 };
 
 static const struct option options[] = {
 	OPT_BOOLEAN('v', "verbose", &verbose,
 		    "be more verbose (show parsed arguments, etc)"),
-#ifndef NO_LIBDWARF
+#ifndef NO_DWARF_SUPPORT
 	OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
 		   "file", "vmlinux pathname"),
 #endif
@@ -172,30 +173,32 @@ static const struct option options[] = {
 	OPT_CALLBACK('d', "del", NULL, "[GROUP:]EVENT", "delete a probe event.",
 		opt_del_probe_event),
 	OPT_CALLBACK('a', "add", NULL,
-#ifdef NO_LIBDWARF
-		"[EVENT=]FUNC[+OFFS|%return] [ARG ...]",
+#ifdef NO_DWARF_SUPPORT
+		"[EVENT=]FUNC[+OFF|%return] [ARG ...]",
 #else
-		"[EVENT=]FUNC[+OFFS|%return|:RLN][@SRC]|SRC:ALN [ARG ...]",
+		"[EVENT=]FUNC[@SRC][+OFF|%return|:RL|;PT]|SRC:AL|SRC;PT"
+		" [ARG ...]",
 #endif
 		"probe point definition, where\n"
 		"\t\tGROUP:\tGroup name (optional)\n"
 		"\t\tEVENT:\tEvent name\n"
 		"\t\tFUNC:\tFunction name\n"
-		"\t\tOFFS:\tOffset from function entry (in byte)\n"
+		"\t\tOFF:\tOffset from function entry (in byte)\n"
 		"\t\t%return:\tPut the probe at function return\n"
-#ifdef NO_LIBDWARF
+#ifdef NO_DWARF_SUPPORT
 		"\t\tARG:\tProbe argument (only \n"
 #else
 		"\t\tSRC:\tSource code path\n"
-		"\t\tRLN:\tRelative line number from function entry.\n"
-		"\t\tALN:\tAbsolute line number in file.\n"
+		"\t\tRL:\tRelative line number from function entry.\n"
+		"\t\tAL:\tAbsolute line number in file.\n"
+		"\t\tPT:\tLazy expression of line code.\n"
 		"\t\tARG:\tProbe argument (local variable name or\n"
 #endif
 		"\t\t\tkprobe-tracer argument format.)\n",
 		opt_add_probe_event),
 	OPT_BOOLEAN('f', "force", &session.force_add, "forcibly add events"
 		    " with existing name"),
-#ifndef NO_LIBDWARF
+#ifndef NO_DWARF_SUPPORT
 	OPT_CALLBACK('L', "line", NULL,
 		     "FUNC[:RLN[+NUM|:RLN2]]|SRC:ALN[+NUM|:ALN2]",
 		     "Show source code lines.", opt_show_lines),
@@ -223,7 +226,7 @@ static void init_vmlinux(void)
 int cmd_probe(int argc, const char **argv, const char *prefix __used)
 {
 	int i, ret;
-#ifndef NO_LIBDWARF
+#ifndef NO_DWARF_SUPPORT
 	int fd;
 #endif
 	struct probe_point *pp;
@@ -259,7 +262,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
 		return 0;
 	}
 
-#ifndef NO_LIBDWARF
+#ifndef NO_DWARF_SUPPORT
 	if (session.show_lines) {
 		if (session.nr_probe != 0 || session.dellist) {
 			pr_warning("  Error: Don't use --line with"
@@ -290,9 +293,9 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
 	init_vmlinux();
 
 	if (session.need_dwarf)
-#ifdef NO_LIBDWARF
+#ifdef NO_DWARF_SUPPORT
 		die("Debuginfo-analysis is not supported");
-#else	/* !NO_LIBDWARF */
+#else	/* !NO_DWARF_SUPPORT */
 		pr_debug("Some probes require debuginfo.\n");
 
 	fd = open_vmlinux();
@@ -312,7 +315,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
 			continue;
 
 		lseek(fd, SEEK_SET, 0);
-		ret = find_probepoint(fd, pp);
+		ret = find_probe_point(fd, pp);
 		if (ret > 0)
 			continue;
 		if (ret == 0) {	/* No error but failed to find probe point. */
@@ -333,7 +336,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used)
 	close(fd);
 
 end_dwarf:
-#endif /* !NO_LIBDWARF */
+#endif /* !NO_DWARF_SUPPORT */
 
 	/* Synthesize probes without dwarf */
 	for (i = 0; i < session.nr_probe; i++) {
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 771533ced6a8..3b8b6387c47c 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -22,6 +22,7 @@
 #include "util/debug.h"
 #include "util/session.h"
 #include "util/symbol.h"
+#include "util/cpumap.h"
 
 #include <unistd.h>
 #include <sched.h>
@@ -244,6 +245,9 @@ static void create_counter(int counter, int cpu, pid_t pid)
 
 	attr->sample_type	|= PERF_SAMPLE_IP | PERF_SAMPLE_TID;
 
+	if (nr_counters > 1)
+		attr->sample_type |= PERF_SAMPLE_ID;
+
 	if (freq) {
 		attr->sample_type	|= PERF_SAMPLE_PERIOD;
 		attr->freq		= 1;
@@ -391,6 +395,9 @@ static int process_buildids(void)
 {
 	u64 size = lseek(output, 0, SEEK_CUR);
 
+	if (size == 0)
+		return 0;
+
 	session->fd = output;
 	return __perf_session__process_events(session, post_processing_offset,
 					      size - post_processing_offset,
@@ -418,9 +425,6 @@ static int __cmd_record(int argc, const char **argv)
 	char buf;
 
 	page_size = sysconf(_SC_PAGE_SIZE);
-	nr_cpus = sysconf(_SC_NPROCESSORS_ONLN);
-	assert(nr_cpus <= MAX_NR_CPUS);
-	assert(nr_cpus >= 0);
 
 	atexit(sig_atexit);
 	signal(SIGCHLD, sig_handler);
@@ -544,8 +548,9 @@ static int __cmd_record(int argc, const char **argv)
 	if ((!system_wide && !inherit) || profile_cpu != -1) {
 		open_counters(profile_cpu, target_pid);
 	} else {
+		nr_cpus = read_cpu_map();
 		for (i = 0; i < nr_cpus; i++)
-			open_counters(i, target_pid);
+			open_counters(cpumap[i], target_pid);
 	}
 
 	if (file_new) {
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index cfc655d40bb7..f815de25d0fc 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -45,28 +45,71 @@ static char		*pretty_printing_style = default_pretty_printing_style;
 
 static char		callchain_default_opt[] = "fractal,0.5";
 
+static struct event_stat_id *get_stats(struct perf_session *self,
+				       u64 event_stream, u32 type, u64 config)
+{
+	struct rb_node **p = &self->stats_by_id.rb_node;
+	struct rb_node *parent = NULL;
+	struct event_stat_id *iter, *new;
+
+	while (*p != NULL) {
+		parent = *p;
+		iter = rb_entry(parent, struct event_stat_id, rb_node);
+		if (iter->config == config)
+			return iter;
+
+
+		if (config > iter->config)
+			p = &(*p)->rb_right;
+		else
+			p = &(*p)->rb_left;
+	}
+
+	new = malloc(sizeof(struct event_stat_id));
+	if (new == NULL)
+		return NULL;
+	memset(new, 0, sizeof(struct event_stat_id));
+	new->event_stream = event_stream;
+	new->config = config;
+	new->type = type;
+	rb_link_node(&new->rb_node, parent, p);
+	rb_insert_color(&new->rb_node, &self->stats_by_id);
+	return new;
+}
+
 static int perf_session__add_hist_entry(struct perf_session *self,
 					struct addr_location *al,
-					struct ip_callchain *chain, u64 count)
+					struct sample_data *data)
 {
 	struct symbol **syms = NULL, *parent = NULL;
 	bool hit;
 	struct hist_entry *he;
+	struct event_stat_id *stats;
+	struct perf_event_attr *attr;
 
-	if ((sort__has_parent || symbol_conf.use_callchain) && chain)
+	if ((sort__has_parent || symbol_conf.use_callchain) && data->callchain)
 		syms = perf_session__resolve_callchain(self, al->thread,
-						       chain, &parent);
-	he = __perf_session__add_hist_entry(self, al, parent, count, &hit);
+						       data->callchain, &parent);
+
+	attr = perf_header__find_attr(data->id, &self->header);
+	if (attr)
+		stats = get_stats(self, data->id, attr->type, attr->config);
+	else
+		stats = get_stats(self, data->id, 0, 0);
+	if (stats == NULL)
+		return -ENOMEM;
+	he = __perf_session__add_hist_entry(&stats->hists, al, parent,
+					    data->period, &hit);
 	if (he == NULL)
 		return -ENOMEM;
 
 	if (hit)
-		he->count += count;
+		he->count += data->period;
 
 	if (symbol_conf.use_callchain) {
 		if (!hit)
 			callchain_init(&he->callchain);
-		append_chain(&he->callchain, chain, syms);
+		append_chain(&he->callchain, data->callchain, syms);
 		free(syms);
 	}
 
@@ -86,10 +129,30 @@ static int validate_chain(struct ip_callchain *chain, event_t *event)
 	return 0;
 }
 
+static int add_event_total(struct perf_session *session,
+			   struct sample_data *data,
+			   struct perf_event_attr *attr)
+{
+	struct event_stat_id *stats;
+
+	if (attr)
+		stats = get_stats(session, data->id, attr->type, attr->config);
+	else
+		stats = get_stats(session, data->id, 0, 0);
+
+	if (!stats)
+		return -ENOMEM;
+
+	stats->stats.total += data->period;
+	session->events_stats.total += data->period;
+	return 0;
+}
+
 static int process_sample_event(event_t *event, struct perf_session *session)
 {
 	struct sample_data data = { .period = 1, };
 	struct addr_location al;
+	struct perf_event_attr *attr;
 
 	event__parse_sample(event, session->sample_type, &data);
 
@@ -123,12 +186,18 @@ static int process_sample_event(event_t *event, struct perf_session *session)
 	if (al.filtered || (hide_unresolved && al.sym == NULL))
 		return 0;
 
-	if (perf_session__add_hist_entry(session, &al, data.callchain, data.period)) {
+	if (perf_session__add_hist_entry(session, &al, &data)) {
 		pr_debug("problem incrementing symbol count, skipping event\n");
 		return -1;
 	}
 
-	session->events_stats.total += data.period;
+	attr = perf_header__find_attr(data.id, &session->header);
+
+	if (add_event_total(session, &data, attr)) {
+		pr_debug("problem adding event count\n");
+		return -1;
+	}
+
 	return 0;
 }
 
@@ -197,6 +266,7 @@ static int __cmd_report(void)
 {
 	int ret = -EINVAL;
 	struct perf_session *session;
+	struct rb_node *next;
 
 	session = perf_session__new(input_name, O_RDONLY, force);
 	if (session == NULL)
@@ -224,10 +294,28 @@ static int __cmd_report(void)
 	if (verbose > 2)
 		dsos__fprintf(stdout);
 
-	perf_session__collapse_resort(session);
-	perf_session__output_resort(session, session->events_stats.total);
-	fprintf(stdout, "# Samples: %Ld\n#\n", session->events_stats.total);
-	perf_session__fprintf_hists(session, NULL, false, stdout);
+	next = rb_first(&session->stats_by_id);
+	while (next) {
+		struct event_stat_id *stats;
+
+		stats = rb_entry(next, struct event_stat_id, rb_node);
+		perf_session__collapse_resort(&stats->hists);
+		perf_session__output_resort(&stats->hists, stats->stats.total);
+		if (rb_first(&session->stats_by_id) ==
+		    rb_last(&session->stats_by_id))
+			fprintf(stdout, "# Samples: %Ld\n#\n",
+				stats->stats.total);
+		else
+			fprintf(stdout, "# Samples: %Ld %s\n#\n",
+				stats->stats.total,
+				__event_name(stats->type, stats->config));
+
+		perf_session__fprintf_hists(&stats->hists, NULL, false, stdout,
+					    stats->stats.total);
+		fprintf(stdout, "\n\n");
+		next = rb_next(&stats->rb_node);
+	}
+
 	if (sort_order == default_sort_order &&
 	    parent_pattern == default_parent_pattern)
 		fprintf(stdout, "#\n# (For a higher level overview, try: perf report --sort comm,dso)\n#\n");
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index e8c85d5aec41..95db31cff6fd 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -45,6 +45,7 @@
 #include "util/event.h"
 #include "util/debug.h"
 #include "util/header.h"
+#include "util/cpumap.h"
 
 #include <sys/prctl.h>
 #include <math.h>
@@ -151,7 +152,7 @@ static void create_perf_stat_counter(int counter, int pid)
 		unsigned int cpu;
 
 		for (cpu = 0; cpu < nr_cpus; cpu++) {
-			fd[cpu][counter] = sys_perf_event_open(attr, -1, cpu, -1, 0);
+			fd[cpu][counter] = sys_perf_event_open(attr, -1, cpumap[cpu], -1, 0);
 			if (fd[cpu][counter] < 0 && verbose)
 				fprintf(stderr, ERR_PERF_OPEN, counter,
 					fd[cpu][counter], strerror(errno));
@@ -519,9 +520,10 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used)
 		nr_counters = ARRAY_SIZE(default_attrs);
 	}
 
-	nr_cpus = sysconf(_SC_NPROCESSORS_ONLN);
-	assert(nr_cpus <= MAX_NR_CPUS);
-	assert((int)nr_cpus >= 0);
+	if (system_wide)
+		nr_cpus = read_cpu_map();
+	else
+		nr_cpus = 1;
 
 	/*
 	 * We dont want to block the signals - that would cause
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 31f2e597800c..1f529321607e 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -28,6 +28,7 @@
 #include <linux/rbtree.h>
 #include "util/parse-options.h"
 #include "util/parse-events.h"
+#include "util/cpumap.h"
 
 #include "util/debug.h"
 
@@ -454,7 +455,7 @@ static void print_sym_table(void)
 	struct sym_entry *syme, *n;
 	struct rb_root tmp = RB_ROOT;
 	struct rb_node *nd;
-	int sym_width = 0, dso_width = 0, max_dso_width;
+	int sym_width = 0, dso_width = 0, dso_short_width = 0;
 	const int win_width = winsize.ws_col - 1;
 
 	samples = userspace_samples = 0;
@@ -544,15 +545,20 @@ static void print_sym_table(void)
 		if (syme->map->dso->long_name_len > dso_width)
 			dso_width = syme->map->dso->long_name_len;
 
+		if (syme->map->dso->short_name_len > dso_short_width)
+			dso_short_width = syme->map->dso->short_name_len;
+
 		if (syme->name_len > sym_width)
 			sym_width = syme->name_len;
 	}
 
 	printed = 0;
 
-	max_dso_width = winsize.ws_col - sym_width - 29;
-	if (dso_width > max_dso_width)
-		dso_width = max_dso_width;
+	if (sym_width + dso_width > winsize.ws_col - 29) {
+		dso_width = dso_short_width;
+		if (sym_width + dso_width > winsize.ws_col - 29)
+			sym_width = winsize.ws_col - dso_width - 29;
+	}
 	putchar('\n');
 	if (nr_counters == 1)
 		printf("             samples  pcnt");
@@ -1123,7 +1129,7 @@ static void start_counter(int i, int counter)
 
 	cpu = profile_cpu;
 	if (target_pid == -1 && profile_cpu == -1)
-		cpu = i;
+		cpu = cpumap[i];
 
 	attr = attrs + counter;
 
@@ -1347,12 +1353,10 @@ int cmd_top(int argc, const char **argv, const char *prefix __used)
 		attrs[counter].sample_period = default_interval;
 	}
 
-	nr_cpus = sysconf(_SC_NPROCESSORS_ONLN);
-	assert(nr_cpus <= MAX_NR_CPUS);
-	assert(nr_cpus >= 0);
-
 	if (target_pid != -1 || profile_cpu != -1)
 		nr_cpus = 1;
+	else
+		nr_cpus = read_cpu_map();
 
 	get_term_dimensions(&winsize);
 	if (print_entries == 0) {
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 5db687fc13de..407041d20de0 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -573,7 +573,8 @@ int cmd_trace(int argc, const char **argv, const char *prefix __used)
 
 	if (symbol__init() < 0)
 		return -1;
-	setup_pager();
+	if (!script_name)
+		setup_pager();
 
 	session = perf_session__new(input_name, O_RDONLY, 0);
 	if (session == NULL)
@@ -608,7 +609,6 @@ int cmd_trace(int argc, const char **argv, const char *prefix __used)
 			return -1;
 		}
 
-		perf_header__read(&session->header, input);
 		err = scripting_ops->generate_script("perf-trace");
 		goto out;
 	}
diff --git a/tools/perf/command-list.txt b/tools/perf/command-list.txt
index 9afcff2e3ae5..db6ee94d4a8e 100644
--- a/tools/perf/command-list.txt
+++ b/tools/perf/command-list.txt
@@ -18,3 +18,4 @@ perf-top			mainporcelain common
 perf-trace			mainporcelain common
 perf-probe			mainporcelain common
 perf-kmem			mainporcelain common
+perf-lock			mainporcelain common
diff --git a/tools/perf/perf-archive.sh b/tools/perf/perf-archive.sh
index 45fbe2f07b15..910468e6e01c 100644
--- a/tools/perf/perf-archive.sh
+++ b/tools/perf/perf-archive.sh
@@ -9,8 +9,9 @@ fi
 
 DEBUGDIR=~/.debug/
 BUILDIDS=$(mktemp /tmp/perf-archive-buildids.XXXXXX)
+NOBUILDID=0000000000000000000000000000000000000000
 
-perf buildid-list -i $PERF_DATA --with-hits > $BUILDIDS
+perf buildid-list -i $PERF_DATA --with-hits | grep -v "^$NOBUILDID " > $BUILDIDS
 if [ ! -s $BUILDIDS ] ; then
 	echo "perf archive: no build-ids found"
 	rm -f $BUILDIDS
diff --git a/tools/perf/perf.c b/tools/perf/perf.c
index 57cb107c1f13..cd32c200cdb3 100644
--- a/tools/perf/perf.c
+++ b/tools/perf/perf.c
@@ -445,7 +445,7 @@ int main(int argc, const char **argv)
 
 	/*
 	 * We use PATH to find perf commands, but we prepend some higher
-	 * precidence paths: the "--exec-path" option, the PERF_EXEC_PATH
+	 * precedence paths: the "--exec-path" option, the PERF_EXEC_PATH
 	 * environment, and the $(perfexecdir) from the Makefile at build
 	 * time.
 	 */
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index 75f941bfba9e..6fb379bc1d1f 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -65,9 +65,7 @@
  * Use the __kuser_memory_barrier helper in the CPU helper page. See
  * arch/arm/kernel/entry-armv.S in the kernel source for details.
  */
-#define rmb()		asm volatile("mov r0, #0xffff0fff; mov lr, pc;" \
-				     "sub pc, r0, #95" ::: "r0", "lr", "cc", \
-				     "memory")
+#define rmb()		((void(*)(void))0xffff0fa0)()
 #define cpu_relax()	asm volatile("":::"memory")
 #endif
 
diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
new file mode 100644
index 000000000000..4e01490e51e5
--- /dev/null
+++ b/tools/perf/util/cpumap.c
@@ -0,0 +1,59 @@
+#include "util.h"
+#include "../perf.h"
+#include "cpumap.h"
+#include <assert.h>
+#include <stdio.h>
+
+int cpumap[MAX_NR_CPUS];
+
+static int default_cpu_map(void)
+{
+	int nr_cpus, i;
+
+	nr_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+	assert(nr_cpus <= MAX_NR_CPUS);
+	assert((int)nr_cpus >= 0);
+
+	for (i = 0; i < nr_cpus; ++i)
+		cpumap[i] = i;
+
+	return nr_cpus;
+}
+
+int read_cpu_map(void)
+{
+	FILE *onlnf;
+	int nr_cpus = 0;
+	int n, cpu, prev;
+	char sep;
+
+	onlnf = fopen("/sys/devices/system/cpu/online", "r");
+	if (!onlnf)
+		return default_cpu_map();
+
+	sep = 0;
+	prev = -1;
+	for (;;) {
+		n = fscanf(onlnf, "%u%c", &cpu, &sep);
+		if (n <= 0)
+			break;
+		if (prev >= 0) {
+			assert(nr_cpus + cpu - prev - 1 < MAX_NR_CPUS);
+			while (++prev < cpu)
+				cpumap[nr_cpus++] = prev;
+		}
+		assert (nr_cpus < MAX_NR_CPUS);
+		cpumap[nr_cpus++] = cpu;
+		if (n == 2 && sep == '-')
+			prev = cpu;
+		else
+			prev = -1;
+		if (n == 1 || sep == '\n')
+			break;
+	}
+	fclose(onlnf);
+	if (nr_cpus > 0)
+		return nr_cpus;
+
+	return default_cpu_map();
+}
diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h
new file mode 100644
index 000000000000..86c78bb33098
--- /dev/null
+++ b/tools/perf/util/cpumap.h
@@ -0,0 +1,7 @@
+#ifndef __PERF_CPUMAP_H
+#define __PERF_CPUMAP_H
+
+extern int read_cpu_map(void);
+extern int cpumap[];
+
+#endif /* __PERF_CPUMAP_H */
diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h
index 50a7132887f5..a33b94952e34 100644
--- a/tools/perf/util/event.h
+++ b/tools/perf/util/event.h
@@ -99,6 +99,15 @@ struct events_stats {
 	u64 lost;
 };
 
+struct event_stat_id {
+	struct rb_node		rb_node;
+	struct rb_root		hists;
+	struct events_stats	stats;
+	u64			config;
+	u64			event_stream;
+	u32			type;
+};
+
 void event__print_totals(void);
 
 struct perf_session;
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index e8daf5ca6fd2..2be33c7dbf03 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -12,12 +12,12 @@ struct callchain_param	callchain_param = {
  * histogram, sorted on item, collects counts
  */
 
-struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self,
+struct hist_entry *__perf_session__add_hist_entry(struct rb_root *hists,
 						  struct addr_location *al,
 						  struct symbol *sym_parent,
 						  u64 count, bool *hit)
 {
-	struct rb_node **p = &self->hists.rb_node;
+	struct rb_node **p = &hists->rb_node;
 	struct rb_node *parent = NULL;
 	struct hist_entry *he;
 	struct hist_entry entry = {
@@ -53,7 +53,7 @@ struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self,
 		return NULL;
 	*he = entry;
 	rb_link_node(&he->rb_node, parent, p);
-	rb_insert_color(&he->rb_node, &self->hists);
+	rb_insert_color(&he->rb_node, hists);
 	*hit = false;
 	return he;
 }
@@ -130,7 +130,7 @@ static void collapse__insert_entry(struct rb_root *root, struct hist_entry *he)
 	rb_insert_color(&he->rb_node, root);
 }
 
-void perf_session__collapse_resort(struct perf_session *self)
+void perf_session__collapse_resort(struct rb_root *hists)
 {
 	struct rb_root tmp;
 	struct rb_node *next;
@@ -140,17 +140,17 @@ void perf_session__collapse_resort(struct perf_session *self)
 		return;
 
 	tmp = RB_ROOT;
-	next = rb_first(&self->hists);
+	next = rb_first(hists);
 
 	while (next) {
 		n = rb_entry(next, struct hist_entry, rb_node);
 		next = rb_next(&n->rb_node);
 
-		rb_erase(&n->rb_node, &self->hists);
+		rb_erase(&n->rb_node, hists);
 		collapse__insert_entry(&tmp, n);
 	}
 
-	self->hists = tmp;
+	*hists = tmp;
 }
 
 /*
@@ -183,7 +183,7 @@ static void perf_session__insert_output_hist_entry(struct rb_root *root,
 	rb_insert_color(&he->rb_node, root);
 }
 
-void perf_session__output_resort(struct perf_session *self, u64 total_samples)
+void perf_session__output_resort(struct rb_root *hists, u64 total_samples)
 {
 	struct rb_root tmp;
 	struct rb_node *next;
@@ -194,18 +194,18 @@ void perf_session__output_resort(struct perf_session *self, u64 total_samples)
 		total_samples * (callchain_param.min_percent / 100);
 
 	tmp = RB_ROOT;
-	next = rb_first(&self->hists);
+	next = rb_first(hists);
 
 	while (next) {
 		n = rb_entry(next, struct hist_entry, rb_node);
 		next = rb_next(&n->rb_node);
 
-		rb_erase(&n->rb_node, &self->hists);
+		rb_erase(&n->rb_node, hists);
 		perf_session__insert_output_hist_entry(&tmp, n,
 						       min_callchain_hits);
 	}
 
-	self->hists = tmp;
+	*hists = tmp;
 }
 
 static size_t callchain__fprintf_left_margin(FILE *fp, int left_margin)
@@ -321,7 +321,7 @@ static size_t __callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
 			new_depth_mask &= ~(1 << (depth - 1));
 
 		/*
-		 * But we keep the older depth mask for the line seperator
+		 * But we keep the older depth mask for the line separator
 		 * to keep the level link until we reach the last child
 		 */
 		ret += ipchain__fprintf_graph_line(fp, depth, depth_mask,
@@ -456,10 +456,10 @@ static size_t hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
 }
 
 static size_t hist_entry__fprintf(struct hist_entry *self,
-				  struct perf_session *session,
 				  struct perf_session *pair_session,
 				  bool show_displacement,
-				  long displacement, FILE *fp)
+				  long displacement, FILE *fp,
+				  u64 session_total)
 {
 	struct sort_entry *se;
 	u64 count, total;
@@ -474,7 +474,7 @@ static size_t hist_entry__fprintf(struct hist_entry *self,
 		total = pair_session->events_stats.total;
 	} else {
 		count = self->count;
-		total = session->events_stats.total;
+		total = session_total;
 	}
 
 	if (total)
@@ -496,8 +496,8 @@ static size_t hist_entry__fprintf(struct hist_entry *self,
 
 		if (total > 0)
 			old_percent = (count * 100.0) / total;
-		if (session->events_stats.total > 0)
-			new_percent = (self->count * 100.0) / session->events_stats.total;
+		if (session_total > 0)
+			new_percent = (self->count * 100.0) / session_total;
 
 		diff = new_percent - old_percent;
 
@@ -544,16 +544,17 @@ static size_t hist_entry__fprintf(struct hist_entry *self,
 			left_margin -= thread__comm_len(self->thread);
 		}
 
-		hist_entry_callchain__fprintf(fp, self, session->events_stats.total,
+		hist_entry_callchain__fprintf(fp, self, session_total,
 					      left_margin);
 	}
 
 	return ret;
 }
 
-size_t perf_session__fprintf_hists(struct perf_session *self,
+size_t perf_session__fprintf_hists(struct rb_root *hists,
 				   struct perf_session *pair,
-				   bool show_displacement, FILE *fp)
+				   bool show_displacement, FILE *fp,
+				   u64 session_total)
 {
 	struct sort_entry *se;
 	struct rb_node *nd;
@@ -641,7 +642,7 @@ size_t perf_session__fprintf_hists(struct perf_session *self,
 	fprintf(fp, "\n#\n");
 
 print_entries:
-	for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) {
+	for (nd = rb_first(hists); nd; nd = rb_next(nd)) {
 		struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
 
 		if (show_displacement) {
@@ -652,8 +653,13 @@ print_entries:
 				displacement = 0;
 			++position;
 		}
-		ret += hist_entry__fprintf(h, self, pair, show_displacement,
-					   displacement, fp);
+		ret += hist_entry__fprintf(h, pair, show_displacement,
+					   displacement, fp, session_total);
+		if (h->map == NULL && verbose > 1) {
+			__map_groups__fprintf_maps(&h->thread->mg,
+						   MAP__FUNCTION, fp);
+			fprintf(fp, "%.10s end\n", graph_dotted_line);
+		}
 	}
 
 	free(rem_sq_bracket);
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index e5f99b24048b..16f360cce5bf 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -10,8 +10,9 @@ struct perf_session;
 struct hist_entry;
 struct addr_location;
 struct symbol;
+struct rb_root;
 
-struct hist_entry *__perf_session__add_hist_entry(struct perf_session *self,
+struct hist_entry *__perf_session__add_hist_entry(struct rb_root *hists,
 						  struct addr_location *al,
 						  struct symbol *parent,
 						  u64 count, bool *hit);
@@ -19,9 +20,10 @@ extern int64_t hist_entry__cmp(struct hist_entry *, struct hist_entry *);
 extern int64_t hist_entry__collapse(struct hist_entry *, struct hist_entry *);
 void hist_entry__free(struct hist_entry *);
 
-void perf_session__output_resort(struct perf_session *self, u64 total_samples);
-void perf_session__collapse_resort(struct perf_session *self);
-size_t perf_session__fprintf_hists(struct perf_session *self,
+void perf_session__output_resort(struct rb_root *hists, u64 total_samples);
+void perf_session__collapse_resort(struct rb_root *hists);
+size_t perf_session__fprintf_hists(struct rb_root *hists,
 				   struct perf_session *pair,
-				   bool show_displacement, FILE *fp);
+				   bool show_displacement, FILE *fp,
+				   u64 session_total);
 #endif	/* __PERF_HIST_H */
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 8f0568849691..7c004b6ef24f 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -119,14 +119,14 @@ static void parse_perf_probe_probepoint(char *arg, struct probe_point *pp)
 	char c, nc = 0;
 	/*
 	 * <Syntax>
-	 * perf probe [EVENT=]SRC:LN
-	 * perf probe [EVENT=]FUNC[+OFFS|%return][@SRC]
+	 * perf probe [EVENT=]SRC[:LN|;PTN]
+	 * perf probe [EVENT=]FUNC[@SRC][+OFFS|%return|:LN|;PAT]
 	 *
 	 * TODO:Group name support
 	 */
 
-	ptr = strchr(arg, '=');
-	if (ptr) {	/* Event name */
+	ptr = strpbrk(arg, ";=@+%");
+	if (ptr && *ptr == '=') {	/* Event name */
 		*ptr = '\0';
 		tmp = ptr + 1;
 		ptr = strchr(arg, ':');
@@ -139,7 +139,7 @@ static void parse_perf_probe_probepoint(char *arg, struct probe_point *pp)
 		arg = tmp;
 	}
 
-	ptr = strpbrk(arg, ":+@%");
+	ptr = strpbrk(arg, ";:+@%");
 	if (ptr) {
 		nc = *ptr;
 		*ptr++ = '\0';
@@ -156,7 +156,11 @@ static void parse_perf_probe_probepoint(char *arg, struct probe_point *pp)
 	while (ptr) {
 		arg = ptr;
 		c = nc;
-		ptr = strpbrk(arg, ":+@%");
+		if (c == ';') {	/* Lazy pattern must be the last part */
+			pp->lazy_line = strdup(arg);
+			break;
+		}
+		ptr = strpbrk(arg, ";:+@%");
 		if (ptr) {
 			nc = *ptr;
 			*ptr++ = '\0';
@@ -165,13 +169,13 @@ static void parse_perf_probe_probepoint(char *arg, struct probe_point *pp)
 		case ':':	/* Line number */
 			pp->line = strtoul(arg, &tmp, 0);
 			if (*tmp != '\0')
-				semantic_error("There is non-digit charactor"
-						" in line number.");
+				semantic_error("There is non-digit char"
+					       " in line number.");
 			break;
 		case '+':	/* Byte offset from a symbol */
 			pp->offset = strtoul(arg, &tmp, 0);
 			if (*tmp != '\0')
-				semantic_error("There is non-digit charactor"
+				semantic_error("There is non-digit character"
 						" in offset.");
 			break;
 		case '@':	/* File name */
@@ -179,9 +183,6 @@ static void parse_perf_probe_probepoint(char *arg, struct probe_point *pp)
 				semantic_error("SRC@SRC is not allowed.");
 			pp->file = strdup(arg);
 			DIE_IF(pp->file == NULL);
-			if (ptr)
-				semantic_error("@SRC must be the last "
-					       "option.");
 			break;
 		case '%':	/* Probe places */
 			if (strcmp(arg, "return") == 0) {
@@ -196,11 +197,18 @@ static void parse_perf_probe_probepoint(char *arg, struct probe_point *pp)
 	}
 
 	/* Exclusion check */
+	if (pp->lazy_line && pp->line)
+		semantic_error("Lazy pattern can't be used with line number.");
+
+	if (pp->lazy_line && pp->offset)
+		semantic_error("Lazy pattern can't be used with offset.");
+
 	if (pp->line && pp->offset)
 		semantic_error("Offset can't be used with line number.");
 
-	if (!pp->line && pp->file && !pp->function)
-		semantic_error("File always requires line number.");
+	if (!pp->line && !pp->lazy_line && pp->file && !pp->function)
+		semantic_error("File always requires line number or "
+			       "lazy pattern.");
 
 	if (pp->offset && !pp->function)
 		semantic_error("Offset requires an entry function.");
@@ -208,11 +216,13 @@ static void parse_perf_probe_probepoint(char *arg, struct probe_point *pp)
 	if (pp->retprobe && !pp->function)
 		semantic_error("Return probe requires an entry function.");
 
-	if ((pp->offset || pp->line) && pp->retprobe)
-		semantic_error("Offset/Line can't be used with return probe.");
+	if ((pp->offset || pp->line || pp->lazy_line) && pp->retprobe)
+		semantic_error("Offset/Line/Lazy pattern can't be used with "
+			       "return probe.");
 
-	pr_debug("symbol:%s file:%s line:%d offset:%d, return:%d\n",
-		 pp->function, pp->file, pp->line, pp->offset, pp->retprobe);
+	pr_debug("symbol:%s file:%s line:%d offset:%d return:%d lazy:%s\n",
+		 pp->function, pp->file, pp->line, pp->offset, pp->retprobe,
+		 pp->lazy_line);
 }
 
 /* Parse perf-probe event definition */
@@ -232,7 +242,7 @@ void parse_perf_probe_event(const char *str, struct probe_point *pp,
 
 	/* Parse probe point */
 	parse_perf_probe_probepoint(argv[0], pp);
-	if (pp->file || pp->line)
+	if (pp->file || pp->line || pp->lazy_line)
 		*need_dwarf = true;
 
 	/* Copy arguments and ensure return probe has no C argument */
@@ -458,6 +468,8 @@ static void clear_probe_point(struct probe_point *pp)
 		free(pp->function);
 	if (pp->file)
 		free(pp->file);
+	if (pp->lazy_line)
+		free(pp->lazy_line);
 	for (i = 0; i < pp->nr_args; i++)
 		free(pp->args[i]);
 	if (pp->args)
@@ -496,8 +508,8 @@ void show_perf_probe_events(void)
 	struct str_node *ent;
 
 	setup_pager();
-
 	memset(&pp, 0, sizeof(pp));
+
 	fd = open_kprobe_events(O_RDONLY, 0);
 	rawlist = get_trace_kprobe_event_rawlist(fd);
 	close(fd);
@@ -719,6 +731,7 @@ void del_trace_kprobe_events(struct strlist *dellist)
 }
 
 #define LINEBUF_SIZE 256
+#define NR_ADDITIONAL_LINES 2
 
 static void show_one_line(FILE *fp, unsigned int l, bool skip, bool show_num)
 {
@@ -779,5 +792,11 @@ void show_line_range(struct line_range *lr)
 			show_one_line(fp, (l++) - lr->offset, false, false);
 		show_one_line(fp, (l++) - lr->offset, false, true);
 	}
+
+	if (lr->end == INT_MAX)
+		lr->end = l + NR_ADDITIONAL_LINES;
+	while (l < lr->end && !feof(fp))
+		show_one_line(fp, (l++) - lr->offset, false, false);
+
 	fclose(fp);
 }
diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c
index 1b2124d12f68..c171a243d05b 100644
--- a/tools/perf/util/probe-finder.c
+++ b/tools/perf/util/probe-finder.c
@@ -32,21 +32,13 @@
 #include <stdarg.h>
 #include <ctype.h>
 
+#include "string.h"
 #include "event.h"
 #include "debug.h"
 #include "util.h"
 #include "probe-finder.h"
 
 
-/* Dwarf_Die Linkage to parent Die */
-struct die_link {
-	struct die_link *parent;	/* Parent die */
-	Dwarf_Die die;			/* Current die */
-};
-
-static Dwarf_Debug __dw_debug;
-static Dwarf_Error __dw_error;
-
 /*
  * Generic dwarf analysis helpers
  */
@@ -113,281 +105,190 @@ static int strtailcmp(const char *s1, const char *s2)
 	return 0;
 }
 
-/* Find the fileno of the target file. */
-static Dwarf_Unsigned cu_find_fileno(Dwarf_Die cu_die, const char *fname)
-{
-	Dwarf_Signed cnt, i;
-	Dwarf_Unsigned found = 0;
-	char **srcs;
-	int ret;
+/* Line number list operations */
 
-	if (!fname)
-		return 0;
+/* Add a line to line number list */
+static void line_list__add_line(struct list_head *head, unsigned int line)
+{
+	struct line_node *ln;
+	struct list_head *p;
 
-	ret = dwarf_srcfiles(cu_die, &srcs, &cnt, &__dw_error);
-	if (ret == DW_DLV_OK) {
-		for (i = 0; i < cnt && !found; i++) {
-			if (strtailcmp(srcs[i], fname) == 0)
-				found = i + 1;
-			dwarf_dealloc(__dw_debug, srcs[i], DW_DLA_STRING);
-		}
-		for (; i < cnt; i++)
-			dwarf_dealloc(__dw_debug, srcs[i], DW_DLA_STRING);
-		dwarf_dealloc(__dw_debug, srcs, DW_DLA_LIST);
+	/* Reverse search, because new line will be the last one */
+	list_for_each_entry_reverse(ln, head, list) {
+		if (ln->line < line) {
+			p = &ln->list;
+			goto found;
+		} else if (ln->line == line)	/* Already exist */
+			return ;
 	}
-	if (found)
-		pr_debug("found fno: %d\n", (int)found);
-	return found;
+	/* List is empty, or the smallest entry */
+	p = head;
+found:
+	pr_debug("line list: add a line %u\n", line);
+	ln = zalloc(sizeof(struct line_node));
+	DIE_IF(ln == NULL);
+	ln->line = line;
+	INIT_LIST_HEAD(&ln->list);
+	list_add(&ln->list, p);
 }
 
-static int cu_get_filename(Dwarf_Die cu_die, Dwarf_Unsigned fno, char **buf)
+/* Check if the line in line number list */
+static int line_list__has_line(struct list_head *head, unsigned int line)
 {
-	Dwarf_Signed cnt, i;
-	char **srcs;
-	int ret = 0;
-
-	if (!buf || !fno)
-		return -EINVAL;
-
-	ret = dwarf_srcfiles(cu_die, &srcs, &cnt, &__dw_error);
-	if (ret == DW_DLV_OK) {
-		if ((Dwarf_Unsigned)cnt > fno - 1) {
-			*buf = strdup(srcs[fno - 1]);
-			ret = 0;
-			pr_debug("found filename: %s\n", *buf);
-		} else
-			ret = -ENOENT;
-		for (i = 0; i < cnt; i++)
-			dwarf_dealloc(__dw_debug, srcs[i], DW_DLA_STRING);
-		dwarf_dealloc(__dw_debug, srcs, DW_DLA_LIST);
-	} else
-		ret = -EINVAL;
-	return ret;
+	struct line_node *ln;
+
+	/* Reverse search, because new line will be the last one */
+	list_for_each_entry(ln, head, list)
+		if (ln->line == line)
+			return 1;
+
+	return 0;
 }
 
-/* Compare diename and tname */
-static int die_compare_name(Dwarf_Die dw_die, const char *tname)
+/* Init line number list */
+static void line_list__init(struct list_head *head)
 {
-	char *name;
-	int ret;
-	ret = dwarf_diename(dw_die, &name, &__dw_error);
-	DIE_IF(ret == DW_DLV_ERROR);
-	if (ret == DW_DLV_OK) {
-		ret = strcmp(tname, name);
-		dwarf_dealloc(__dw_debug, name, DW_DLA_STRING);
-	} else
-		ret = -1;
-	return ret;
+	INIT_LIST_HEAD(head);
 }
 
-/* Check the address is in the subprogram(function). */
-static int die_within_subprogram(Dwarf_Die sp_die, Dwarf_Addr addr,
-				 Dwarf_Signed *offs)
+/* Free line number list */
+static void line_list__free(struct list_head *head)
 {
-	Dwarf_Addr lopc, hipc;
-	int ret;
-
-	/* TODO: check ranges */
-	ret = dwarf_lowpc(sp_die, &lopc, &__dw_error);
-	DIE_IF(ret == DW_DLV_ERROR);
-	if (ret == DW_DLV_NO_ENTRY)
-		return 0;
-	ret = dwarf_highpc(sp_die, &hipc, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
-	if (lopc <= addr && addr < hipc) {
-		*offs = addr - lopc;
-		return 1;
-	} else
-		return 0;
+	struct line_node *ln;
+	while (!list_empty(head)) {
+		ln = list_first_entry(head, struct line_node, list);
+		list_del(&ln->list);
+		free(ln);
+	}
 }
 
-/* Check the die is inlined function */
-static Dwarf_Bool die_inlined_subprogram(Dwarf_Die dw_die)
+/* Dwarf wrappers */
+
+/* Find the realpath of the target file. */
+static const char *cu_find_realpath(Dwarf_Die *cu_die, const char *fname)
 {
-	/* TODO: check strictly */
-	Dwarf_Bool inl;
+	Dwarf_Files *files;
+	size_t nfiles, i;
+	const char *src = NULL;
 	int ret;
 
-	ret = dwarf_hasattr(dw_die, DW_AT_inline, &inl, &__dw_error);
-	DIE_IF(ret == DW_DLV_ERROR);
-	return inl;
-}
+	if (!fname)
+		return NULL;
 
-/* Get the offset of abstruct_origin */
-static Dwarf_Off die_get_abstract_origin(Dwarf_Die dw_die)
-{
-	Dwarf_Attribute attr;
-	Dwarf_Off cu_offs;
-	int ret;
+	ret = dwarf_getsrcfiles(cu_die, &files, &nfiles);
+	if (ret != 0)
+		return NULL;
 
-	ret = dwarf_attr(dw_die, DW_AT_abstract_origin, &attr, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
-	ret = dwarf_formref(attr, &cu_offs, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
-	dwarf_dealloc(__dw_debug, attr, DW_DLA_ATTR);
-	return cu_offs;
+	for (i = 0; i < nfiles; i++) {
+		src = dwarf_filesrc(files, i, NULL, NULL);
+		if (strtailcmp(src, fname) == 0)
+			break;
+	}
+	return src;
 }
 
-/* Get entry pc(or low pc, 1st entry of ranges)  of the die */
-static Dwarf_Addr die_get_entrypc(Dwarf_Die dw_die)
+struct __addr_die_search_param {
+	Dwarf_Addr	addr;
+	Dwarf_Die	*die_mem;
+};
+
+static int __die_search_func_cb(Dwarf_Die *fn_die, void *data)
 {
-	Dwarf_Attribute attr;
-	Dwarf_Addr addr;
-	Dwarf_Off offs;
-	Dwarf_Ranges *ranges;
-	Dwarf_Signed cnt;
-	int ret;
+	struct __addr_die_search_param *ad = data;
 
-	/* Try to get entry pc */
-	ret = dwarf_attr(dw_die, DW_AT_entry_pc, &attr, &__dw_error);
-	DIE_IF(ret == DW_DLV_ERROR);
-	if (ret == DW_DLV_OK) {
-		ret = dwarf_formaddr(attr, &addr, &__dw_error);
-		DIE_IF(ret != DW_DLV_OK);
-		dwarf_dealloc(__dw_debug, attr, DW_DLA_ATTR);
-		return addr;
+	if (dwarf_tag(fn_die) == DW_TAG_subprogram &&
+	    dwarf_haspc(fn_die, ad->addr)) {
+		memcpy(ad->die_mem, fn_die, sizeof(Dwarf_Die));
+		return DWARF_CB_ABORT;
 	}
+	return DWARF_CB_OK;
+}
 
-	/* Try to get low pc */
-	ret = dwarf_lowpc(dw_die, &addr, &__dw_error);
-	DIE_IF(ret == DW_DLV_ERROR);
-	if (ret == DW_DLV_OK)
-		return addr;
-
-	/* Try to get ranges */
-	ret = dwarf_attr(dw_die, DW_AT_ranges, &attr, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
-	ret = dwarf_formref(attr, &offs, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
-	ret = dwarf_get_ranges(__dw_debug, offs, &ranges, &cnt, NULL,
-				&__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
-	addr = ranges[0].dwr_addr1;
-	dwarf_ranges_dealloc(__dw_debug, ranges, cnt);
-	return addr;
+/* Search a real subprogram including this line, */
+static Dwarf_Die *die_get_real_subprogram(Dwarf_Die *cu_die, Dwarf_Addr addr,
+					  Dwarf_Die *die_mem)
+{
+	struct __addr_die_search_param ad;
+	ad.addr = addr;
+	ad.die_mem = die_mem;
+	/* dwarf_getscopes can't find subprogram. */
+	if (!dwarf_getfuncs(cu_die, __die_search_func_cb, &ad, 0))
+		return NULL;
+	else
+		return die_mem;
 }
 
-/*
- * Search a Die from Die tree.
- * Note: cur_link->die should be deallocated in this function.
- */
-static int __search_die_tree(struct die_link *cur_link,
-			     int (*die_cb)(struct die_link *, void *),
-			     void *data)
+/* Similar to dwarf_getfuncs, but returns inlined_subroutine if exists. */
+static Dwarf_Die *die_get_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr,
+				     Dwarf_Die *die_mem)
 {
-	Dwarf_Die new_die;
-	struct die_link new_link;
+	Dwarf_Die child_die;
 	int ret;
 
-	if (!die_cb)
-		return 0;
-
-	/* Check current die */
-	while (!(ret = die_cb(cur_link, data))) {
-		/* Check child die */
-		ret = dwarf_child(cur_link->die, &new_die, &__dw_error);
-		DIE_IF(ret == DW_DLV_ERROR);
-		if (ret == DW_DLV_OK) {
-			new_link.parent = cur_link;
-			new_link.die = new_die;
-			ret = __search_die_tree(&new_link, die_cb, data);
-			if (ret)
-				break;
-		}
+	ret = dwarf_child(sp_die, die_mem);
+	if (ret != 0)
+		return NULL;
 
-		/* Move to next sibling */
-		ret = dwarf_siblingof(__dw_debug, cur_link->die, &new_die,
-				      &__dw_error);
-		DIE_IF(ret == DW_DLV_ERROR);
-		dwarf_dealloc(__dw_debug, cur_link->die, DW_DLA_DIE);
-		cur_link->die = new_die;
-		if (ret == DW_DLV_NO_ENTRY)
-			return 0;
-	}
-	dwarf_dealloc(__dw_debug, cur_link->die, DW_DLA_DIE);
-	return ret;
-}
+	do {
+		if (dwarf_tag(die_mem) == DW_TAG_inlined_subroutine &&
+		    dwarf_haspc(die_mem, addr))
+			return die_mem;
 
-/* Search a die in its children's die tree */
-static int search_die_from_children(Dwarf_Die parent_die,
-				    int (*die_cb)(struct die_link *, void *),
-				    void *data)
-{
-	struct die_link new_link;
-	int ret;
+		if (die_get_inlinefunc(die_mem, addr, &child_die)) {
+			memcpy(die_mem, &child_die, sizeof(Dwarf_Die));
+			return die_mem;
+		}
+	} while (dwarf_siblingof(die_mem, die_mem) == 0);
 
-	new_link.parent = NULL;
-	ret = dwarf_child(parent_die, &new_link.die, &__dw_error);
-	DIE_IF(ret == DW_DLV_ERROR);
-	if (ret == DW_DLV_OK)
-		return __search_die_tree(&new_link, die_cb, data);
-	else
-		return 0;
+	return NULL;
 }
 
-/* Find a locdesc corresponding to the address */
-static int attr_get_locdesc(Dwarf_Attribute attr, Dwarf_Locdesc *desc,
-			    Dwarf_Addr addr)
+/* Compare diename and tname */
+static bool die_compare_name(Dwarf_Die *dw_die, const char *tname)
 {
-	Dwarf_Signed lcnt;
-	Dwarf_Locdesc **llbuf;
-	int ret, i;
-
-	ret = dwarf_loclist_n(attr, &llbuf, &lcnt, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
-	ret = DW_DLV_NO_ENTRY;
-	for (i = 0; i < lcnt; ++i) {
-		if (llbuf[i]->ld_lopc <= addr &&
-		    llbuf[i]->ld_hipc > addr) {
-			memcpy(desc, llbuf[i], sizeof(Dwarf_Locdesc));
-			desc->ld_s =
-				malloc(sizeof(Dwarf_Loc) * llbuf[i]->ld_cents);
-			DIE_IF(desc->ld_s == NULL);
-			memcpy(desc->ld_s, llbuf[i]->ld_s,
-				sizeof(Dwarf_Loc) * llbuf[i]->ld_cents);
-			ret = DW_DLV_OK;
-			break;
-		}
-		dwarf_dealloc(__dw_debug, llbuf[i]->ld_s, DW_DLA_LOC_BLOCK);
-		dwarf_dealloc(__dw_debug, llbuf[i], DW_DLA_LOCDESC);
-	}
-	/* Releasing loop */
-	for (; i < lcnt; ++i) {
-		dwarf_dealloc(__dw_debug, llbuf[i]->ld_s, DW_DLA_LOC_BLOCK);
-		dwarf_dealloc(__dw_debug, llbuf[i], DW_DLA_LOCDESC);
-	}
-	dwarf_dealloc(__dw_debug, llbuf, DW_DLA_LIST);
-	return ret;
+	const char *name;
+	name = dwarf_diename(dw_die);
+	DIE_IF(name == NULL);
+	return strcmp(tname, name);
 }
 
-/* Get decl_file attribute value (file number) */
-static Dwarf_Unsigned die_get_decl_file(Dwarf_Die sp_die)
+/* Get entry pc(or low pc, 1st entry of ranges)  of the die */
+static Dwarf_Addr die_get_entrypc(Dwarf_Die *dw_die)
 {
-	Dwarf_Attribute attr;
-	Dwarf_Unsigned fno;
+	Dwarf_Addr epc;
 	int ret;
 
-	ret = dwarf_attr(sp_die, DW_AT_decl_file, &attr, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
-	dwarf_formudata(attr, &fno, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
-	dwarf_dealloc(__dw_debug, attr, DW_DLA_ATTR);
-	return fno;
+	ret = dwarf_entrypc(dw_die, &epc);
+	DIE_IF(ret == -1);
+	return epc;
 }
 
-/* Get decl_line attribute value (line number) */
-static Dwarf_Unsigned die_get_decl_line(Dwarf_Die sp_die)
+/* Get a variable die */
+static Dwarf_Die *die_find_variable(Dwarf_Die *sp_die, const char *name,
+				    Dwarf_Die *die_mem)
 {
-	Dwarf_Attribute attr;
-	Dwarf_Unsigned lno;
+	Dwarf_Die child_die;
+	int tag;
 	int ret;
 
-	ret = dwarf_attr(sp_die, DW_AT_decl_line, &attr, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
-	dwarf_formudata(attr, &lno, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
-	dwarf_dealloc(__dw_debug, attr, DW_DLA_ATTR);
-	return lno;
+	ret = dwarf_child(sp_die, die_mem);
+	if (ret != 0)
+		return NULL;
+
+	do {
+		tag = dwarf_tag(die_mem);
+		if ((tag == DW_TAG_formal_parameter ||
+		     tag == DW_TAG_variable) &&
+		    (die_compare_name(die_mem, name) == 0))
+			return die_mem;
+
+		if (die_find_variable(die_mem, name, &child_die)) {
+			memcpy(die_mem, &child_die, sizeof(Dwarf_Die));
+			return die_mem;
+		}
+	} while (dwarf_siblingof(die_mem, die_mem) == 0);
+
+	return NULL;
 }
 
 /*
@@ -395,47 +296,45 @@ static Dwarf_Unsigned die_get_decl_line(Dwarf_Die sp_die)
  */
 
 /* Show a location */
-static void show_location(Dwarf_Loc *loc, struct probe_finder *pf)
+static void show_location(Dwarf_Op *op, struct probe_finder *pf)
 {
-	Dwarf_Small op;
-	Dwarf_Unsigned regn;
-	Dwarf_Signed offs;
+	unsigned int regn;
+	Dwarf_Word offs = 0;
 	int deref = 0, ret;
 	const char *regs;
 
-	op = loc->lr_atom;
-
+	/* TODO: support CFA */
 	/* If this is based on frame buffer, set the offset */
-	if (op == DW_OP_fbreg) {
+	if (op->atom == DW_OP_fbreg) {
+		if (pf->fb_ops == NULL)
+			die("The attribute of frame base is not supported.\n");
 		deref = 1;
-		offs = (Dwarf_Signed)loc->lr_number;
-		op = pf->fbloc.ld_s[0].lr_atom;
-		loc = &pf->fbloc.ld_s[0];
-	} else
-		offs = 0;
+		offs = op->number;
+		op = &pf->fb_ops[0];
+	}
 
-	if (op >= DW_OP_breg0 && op <= DW_OP_breg31) {
-		regn = op - DW_OP_breg0;
-		offs += (Dwarf_Signed)loc->lr_number;
+	if (op->atom >= DW_OP_breg0 && op->atom <= DW_OP_breg31) {
+		regn = op->atom - DW_OP_breg0;
+		offs += op->number;
 		deref = 1;
-	} else if (op >= DW_OP_reg0 && op <= DW_OP_reg31) {
-		regn = op - DW_OP_reg0;
-	} else if (op == DW_OP_bregx) {
-		regn = loc->lr_number;
-		offs += (Dwarf_Signed)loc->lr_number2;
+	} else if (op->atom >= DW_OP_reg0 && op->atom <= DW_OP_reg31) {
+		regn = op->atom - DW_OP_reg0;
+	} else if (op->atom == DW_OP_bregx) {
+		regn = op->number;
+		offs += op->number2;
 		deref = 1;
-	} else if (op == DW_OP_regx) {
-		regn = loc->lr_number;
+	} else if (op->atom == DW_OP_regx) {
+		regn = op->number;
 	} else
-		die("Dwarf_OP %d is not supported.", op);
+		die("DW_OP %d is not supported.", op->atom);
 
 	regs = get_arch_regstr(regn);
 	if (!regs)
-		die("%lld exceeds max register number.", regn);
+		die("%u exceeds max register number.", regn);
 
 	if (deref)
-		ret = snprintf(pf->buf, pf->len,
-				 " %s=%+lld(%s)", pf->var, offs, regs);
+		ret = snprintf(pf->buf, pf->len, " %s=%+jd(%s)",
+			       pf->var, (intmax_t)offs, regs);
 	else
 		ret = snprintf(pf->buf, pf->len, " %s=%s", pf->var, regs);
 	DIE_IF(ret < 0);
@@ -443,52 +342,36 @@ static void show_location(Dwarf_Loc *loc, struct probe_finder *pf)
 }
 
 /* Show a variables in kprobe event format */
-static void show_variable(Dwarf_Die vr_die, struct probe_finder *pf)
+static void show_variable(Dwarf_Die *vr_die, struct probe_finder *pf)
 {
 	Dwarf_Attribute attr;
-	Dwarf_Locdesc ld;
+	Dwarf_Op *expr;
+	size_t nexpr;
 	int ret;
 
-	ret = dwarf_attr(vr_die, DW_AT_location, &attr, &__dw_error);
-	if (ret != DW_DLV_OK)
+	if (dwarf_attr(vr_die, DW_AT_location, &attr) == NULL)
 		goto error;
-	ret = attr_get_locdesc(attr, &ld, (pf->addr - pf->cu_base));
-	if (ret != DW_DLV_OK)
+	/* TODO: handle more than 1 exprs */
+	ret = dwarf_getlocation_addr(&attr, pf->addr, &expr, &nexpr, 1);
+	if (ret <= 0 || nexpr == 0)
 		goto error;
-	/* TODO? */
-	DIE_IF(ld.ld_cents != 1);
-	show_location(&ld.ld_s[0], pf);
-	free(ld.ld_s);
-	dwarf_dealloc(__dw_debug, attr, DW_DLA_ATTR);
+
+	show_location(expr, pf);
+	/* *expr will be cached in libdw. Don't free it. */
 	return ;
 error:
+	/* TODO: Support const_value */
 	die("Failed to find the location of %s at this address.\n"
 	    " Perhaps, it has been optimized out.", pf->var);
 }
 
-static int variable_callback(struct die_link *dlink, void *data)
-{
-	struct probe_finder *pf = (struct probe_finder *)data;
-	Dwarf_Half tag;
-	int ret;
-
-	ret = dwarf_tag(dlink->die, &tag, &__dw_error);
-	DIE_IF(ret == DW_DLV_ERROR);
-	if ((tag == DW_TAG_formal_parameter ||
-	     tag == DW_TAG_variable) &&
-	    (die_compare_name(dlink->die, pf->var) == 0)) {
-		show_variable(dlink->die, pf);
-		return 1;
-	}
-	/* TODO: Support struct members and arrays */
-	return 0;
-}
-
 /* Find a variable in a subprogram die */
-static void find_variable(Dwarf_Die sp_die, struct probe_finder *pf)
+static void find_variable(Dwarf_Die *sp_die, struct probe_finder *pf)
 {
 	int ret;
+	Dwarf_Die vr_die;
 
+	/* TODO: Support struct members and arrays */
 	if (!is_c_varname(pf->var)) {
 		/* Output raw parameters */
 		ret = snprintf(pf->buf, pf->len, " %s", pf->var);
@@ -499,58 +382,51 @@ static void find_variable(Dwarf_Die sp_die, struct probe_finder *pf)
 
 	pr_debug("Searching '%s' variable in context.\n", pf->var);
 	/* Search child die for local variables and parameters. */
-	ret = search_die_from_children(sp_die, variable_callback, pf);
-	if (!ret)
+	if (!die_find_variable(sp_die, pf->var, &vr_die))
 		die("Failed to find '%s' in this function.", pf->var);
-}
-
-/* Get a frame base on the address */
-static void get_current_frame_base(Dwarf_Die sp_die, struct probe_finder *pf)
-{
-	Dwarf_Attribute attr;
-	int ret;
-
-	ret = dwarf_attr(sp_die, DW_AT_frame_base, &attr, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
-	ret = attr_get_locdesc(attr, &pf->fbloc, (pf->addr - pf->cu_base));
-	DIE_IF(ret != DW_DLV_OK);
-	dwarf_dealloc(__dw_debug, attr, DW_DLA_ATTR);
-}
 
-static void free_current_frame_base(struct probe_finder *pf)
-{
-	free(pf->fbloc.ld_s);
-	memset(&pf->fbloc, 0, sizeof(Dwarf_Locdesc));
+	show_variable(&vr_die, pf);
 }
 
 /* Show a probe point to output buffer */
-static void show_probepoint(Dwarf_Die sp_die, Dwarf_Signed offs,
-			    struct probe_finder *pf)
+static void show_probe_point(Dwarf_Die *sp_die, struct probe_finder *pf)
 {
 	struct probe_point *pp = pf->pp;
-	char *name;
+	Dwarf_Addr eaddr;
+	Dwarf_Die die_mem;
+	const char *name;
 	char tmp[MAX_PROBE_BUFFER];
 	int ret, i, len;
+	Dwarf_Attribute fb_attr;
+	size_t nops;
+
+	/* If no real subprogram, find a real one */
+	if (!sp_die || dwarf_tag(sp_die) != DW_TAG_subprogram) {
+		sp_die = die_get_real_subprogram(&pf->cu_die,
+						 pf->addr, &die_mem);
+		if (!sp_die)
+			die("Probe point is not found in subprograms.");
+	}
 
 	/* Output name of probe point */
-	ret = dwarf_diename(sp_die, &name, &__dw_error);
-	DIE_IF(ret == DW_DLV_ERROR);
-	if (ret == DW_DLV_OK) {
-		ret = snprintf(tmp, MAX_PROBE_BUFFER, "%s+%u", name,
-				(unsigned int)offs);
+	name = dwarf_diename(sp_die);
+	if (name) {
+		dwarf_entrypc(sp_die, &eaddr);
+		ret = snprintf(tmp, MAX_PROBE_BUFFER, "%s+%lu", name,
+				(unsigned long)(pf->addr - eaddr));
 		/* Copy the function name if possible */
 		if (!pp->function) {
 			pp->function = strdup(name);
-			pp->offset = offs;
+			pp->offset = (size_t)(pf->addr - eaddr);
 		}
-		dwarf_dealloc(__dw_debug, name, DW_DLA_STRING);
 	} else {
 		/* This function has no name. */
-		ret = snprintf(tmp, MAX_PROBE_BUFFER, "0x%llx", pf->addr);
+		ret = snprintf(tmp, MAX_PROBE_BUFFER, "0x%jx",
+			       (uintmax_t)pf->addr);
 		if (!pp->function) {
 			/* TODO: Use _stext */
 			pp->function = strdup("");
-			pp->offset = (int)pf->addr;
+			pp->offset = (size_t)pf->addr;
 		}
 	}
 	DIE_IF(ret < 0);
@@ -558,8 +434,14 @@ static void show_probepoint(Dwarf_Die sp_die, Dwarf_Signed offs,
 	len = ret;
 	pr_debug("Probe point found: %s\n", tmp);
 
+	/* Get the frame base attribute/ops */
+	dwarf_attr(sp_die, DW_AT_frame_base, &fb_attr);
+	ret = dwarf_getlocation_addr(&fb_attr, pf->addr, &pf->fb_ops, &nops, 1);
+	if (ret <= 0 || nops == 0)
+		pf->fb_ops = NULL;
+
 	/* Find each argument */
-	get_current_frame_base(sp_die, pf);
+	/* TODO: use dwarf_cfi_addrframe */
 	for (i = 0; i < pp->nr_args; i++) {
 		pf->var = pp->args[i];
 		pf->buf = &tmp[len];
@@ -567,289 +449,325 @@ static void show_probepoint(Dwarf_Die sp_die, Dwarf_Signed offs,
 		find_variable(sp_die, pf);
 		len += strlen(pf->buf);
 	}
-	free_current_frame_base(pf);
+
+	/* *pf->fb_ops will be cached in libdw. Don't free it. */
+	pf->fb_ops = NULL;
+
+	if (pp->found == MAX_PROBES)
+		die("Too many( > %d) probe point found.\n", MAX_PROBES);
 
 	pp->probes[pp->found] = strdup(tmp);
 	pp->found++;
 }
 
-static int probeaddr_callback(struct die_link *dlink, void *data)
+/* Find probe point from its line number */
+static void find_probe_point_by_line(struct probe_finder *pf)
 {
-	struct probe_finder *pf = (struct probe_finder *)data;
-	Dwarf_Half tag;
-	Dwarf_Signed offs;
+	Dwarf_Lines *lines;
+	Dwarf_Line *line;
+	size_t nlines, i;
+	Dwarf_Addr addr;
+	int lineno;
 	int ret;
 
-	ret = dwarf_tag(dlink->die, &tag, &__dw_error);
-	DIE_IF(ret == DW_DLV_ERROR);
-	/* Check the address is in this subprogram */
-	if (tag == DW_TAG_subprogram &&
-	    die_within_subprogram(dlink->die, pf->addr, &offs)) {
-		show_probepoint(dlink->die, offs, pf);
-		return 1;
+	ret = dwarf_getsrclines(&pf->cu_die, &lines, &nlines);
+	DIE_IF(ret != 0);
+
+	for (i = 0; i < nlines; i++) {
+		line = dwarf_onesrcline(lines, i);
+		dwarf_lineno(line, &lineno);
+		if (lineno != pf->lno)
+			continue;
+
+		/* TODO: Get fileno from line, but how? */
+		if (strtailcmp(dwarf_linesrc(line, NULL, NULL), pf->fname) != 0)
+			continue;
+
+		ret = dwarf_lineaddr(line, &addr);
+		DIE_IF(ret != 0);
+		pr_debug("Probe line found: line[%d]:%d addr:0x%jx\n",
+			 (int)i, lineno, (uintmax_t)addr);
+		pf->addr = addr;
+
+		show_probe_point(NULL, pf);
+		/* Continuing, because target line might be inlined. */
 	}
-	return 0;
 }
 
-/* Find probe point from its line number */
-static void find_probe_point_by_line(struct probe_finder *pf)
+/* Find lines which match lazy pattern */
+static int find_lazy_match_lines(struct list_head *head,
+				 const char *fname, const char *pat)
+{
+	char *fbuf, *p1, *p2;
+	int fd, line, nlines = 0;
+	struct stat st;
+
+	fd = open(fname, O_RDONLY);
+	if (fd < 0)
+		die("failed to open %s", fname);
+	DIE_IF(fstat(fd, &st) < 0);
+	fbuf = malloc(st.st_size + 2);
+	DIE_IF(fbuf == NULL);
+	DIE_IF(read(fd, fbuf, st.st_size) < 0);
+	close(fd);
+	fbuf[st.st_size] = '\n';	/* Dummy line */
+	fbuf[st.st_size + 1] = '\0';
+	p1 = fbuf;
+	line = 1;
+	while ((p2 = strchr(p1, '\n')) != NULL) {
+		*p2 = '\0';
+		if (strlazymatch(p1, pat)) {
+			line_list__add_line(head, line);
+			nlines++;
+		}
+		line++;
+		p1 = p2 + 1;
+	}
+	free(fbuf);
+	return nlines;
+}
+
+/* Find probe points from lazy pattern  */
+static void find_probe_point_lazy(Dwarf_Die *sp_die, struct probe_finder *pf)
 {
-	Dwarf_Signed cnt, i, clm;
-	Dwarf_Line *lines;
-	Dwarf_Unsigned lineno = 0;
+	Dwarf_Lines *lines;
+	Dwarf_Line *line;
+	size_t nlines, i;
 	Dwarf_Addr addr;
-	Dwarf_Unsigned fno;
+	Dwarf_Die die_mem;
+	int lineno;
 	int ret;
 
-	ret = dwarf_srclines(pf->cu_die, &lines, &cnt, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
+	if (list_empty(&pf->lcache)) {
+		/* Matching lazy line pattern */
+		ret = find_lazy_match_lines(&pf->lcache, pf->fname,
+					    pf->pp->lazy_line);
+		if (ret <= 0)
+			die("No matched lines found in %s.", pf->fname);
+	}
 
-	for (i = 0; i < cnt; i++) {
-		ret = dwarf_line_srcfileno(lines[i], &fno, &__dw_error);
-		DIE_IF(ret != DW_DLV_OK);
-		if (fno != pf->fno)
+	ret = dwarf_getsrclines(&pf->cu_die, &lines, &nlines);
+	DIE_IF(ret != 0);
+	for (i = 0; i < nlines; i++) {
+		line = dwarf_onesrcline(lines, i);
+
+		dwarf_lineno(line, &lineno);
+		if (!line_list__has_line(&pf->lcache, lineno))
 			continue;
 
-		ret = dwarf_lineno(lines[i], &lineno, &__dw_error);
-		DIE_IF(ret != DW_DLV_OK);
-		if (lineno != pf->lno)
+		/* TODO: Get fileno from line, but how? */
+		if (strtailcmp(dwarf_linesrc(line, NULL, NULL), pf->fname) != 0)
 			continue;
 
-		ret = dwarf_lineoff(lines[i], &clm, &__dw_error);
-		DIE_IF(ret != DW_DLV_OK);
+		ret = dwarf_lineaddr(line, &addr);
+		DIE_IF(ret != 0);
+		if (sp_die) {
+			/* Address filtering 1: does sp_die include addr? */
+			if (!dwarf_haspc(sp_die, addr))
+				continue;
+			/* Address filtering 2: No child include addr? */
+			if (die_get_inlinefunc(sp_die, addr, &die_mem))
+				continue;
+		}
 
-		ret = dwarf_lineaddr(lines[i], &addr, &__dw_error);
-		DIE_IF(ret != DW_DLV_OK);
-		pr_debug("Probe line found: line[%d]:%u,%d addr:0x%llx\n",
-			 (int)i, (unsigned)lineno, (int)clm, addr);
+		pr_debug("Probe line found: line[%d]:%d addr:0x%llx\n",
+			 (int)i, lineno, (unsigned long long)addr);
 		pf->addr = addr;
-		/* Search a real subprogram including this line, */
-		ret = search_die_from_children(pf->cu_die,
-					       probeaddr_callback, pf);
-		if (ret == 0)
-			die("Probe point is not found in subprograms.");
+
+		show_probe_point(sp_die, pf);
 		/* Continuing, because target line might be inlined. */
 	}
-	dwarf_srclines_dealloc(__dw_debug, lines, cnt);
+	/* TODO: deallocate lines, but how? */
+}
+
+static int probe_point_inline_cb(Dwarf_Die *in_die, void *data)
+{
+	struct probe_finder *pf = (struct probe_finder *)data;
+	struct probe_point *pp = pf->pp;
+
+	if (pp->lazy_line)
+		find_probe_point_lazy(in_die, pf);
+	else {
+		/* Get probe address */
+		pf->addr = die_get_entrypc(in_die);
+		pf->addr += pp->offset;
+		pr_debug("found inline addr: 0x%jx\n",
+			 (uintmax_t)pf->addr);
+
+		show_probe_point(in_die, pf);
+	}
+
+	return DWARF_CB_OK;
 }
 
 /* Search function from function name */
-static int probefunc_callback(struct die_link *dlink, void *data)
+static int probe_point_search_cb(Dwarf_Die *sp_die, void *data)
 {
 	struct probe_finder *pf = (struct probe_finder *)data;
 	struct probe_point *pp = pf->pp;
-	struct die_link *lk;
-	Dwarf_Signed offs;
-	Dwarf_Half tag;
-	int ret;
 
-	ret = dwarf_tag(dlink->die, &tag, &__dw_error);
-	DIE_IF(ret == DW_DLV_ERROR);
-	if (tag == DW_TAG_subprogram) {
-		if (die_compare_name(dlink->die, pp->function) == 0) {
-			if (pp->line) {	/* Function relative line */
-				pf->fno = die_get_decl_file(dlink->die);
-				pf->lno = die_get_decl_line(dlink->die)
-					 + pp->line;
-				find_probe_point_by_line(pf);
-				return 1;
-			}
-			if (die_inlined_subprogram(dlink->die)) {
-				/* Inlined function, save it. */
-				ret = dwarf_die_CU_offset(dlink->die,
-							  &pf->inl_offs,
-							  &__dw_error);
-				DIE_IF(ret != DW_DLV_OK);
-				pr_debug("inline definition offset %lld\n",
-					 pf->inl_offs);
-				return 0;	/* Continue to search */
-			}
-			/* Get probe address */
-			pf->addr = die_get_entrypc(dlink->die);
+	/* Check tag and diename */
+	if (dwarf_tag(sp_die) != DW_TAG_subprogram ||
+	    die_compare_name(sp_die, pp->function) != 0)
+		return 0;
+
+	pf->fname = dwarf_decl_file(sp_die);
+	if (pp->line) { /* Function relative line */
+		dwarf_decl_line(sp_die, &pf->lno);
+		pf->lno += pp->line;
+		find_probe_point_by_line(pf);
+	} else if (!dwarf_func_inline(sp_die)) {
+		/* Real function */
+		if (pp->lazy_line)
+			find_probe_point_lazy(sp_die, pf);
+		else {
+			pf->addr = die_get_entrypc(sp_die);
 			pf->addr += pp->offset;
 			/* TODO: Check the address in this function */
-			show_probepoint(dlink->die, pp->offset, pf);
-			return 1; /* Exit; no same symbol in this CU. */
+			show_probe_point(sp_die, pf);
 		}
-	} else if (tag == DW_TAG_inlined_subroutine && pf->inl_offs) {
-		if (die_get_abstract_origin(dlink->die) == pf->inl_offs) {
-			/* Get probe address */
-			pf->addr = die_get_entrypc(dlink->die);
-			pf->addr += pp->offset;
-			pr_debug("found inline addr: 0x%llx\n", pf->addr);
-			/* Inlined function. Get a real subprogram */
-			for (lk = dlink->parent; lk != NULL; lk = lk->parent) {
-				tag = 0;
-				dwarf_tag(lk->die, &tag, &__dw_error);
-				DIE_IF(ret == DW_DLV_ERROR);
-				if (tag == DW_TAG_subprogram &&
-				    !die_inlined_subprogram(lk->die))
-					goto found;
-			}
-			die("Failed to find real subprogram.");
-found:
-			/* Get offset from subprogram */
-			ret = die_within_subprogram(lk->die, pf->addr, &offs);
-			DIE_IF(!ret);
-			show_probepoint(lk->die, offs, pf);
-			/* Continue to search */
-		}
-	}
-	return 0;
+	} else
+		/* Inlined function: search instances */
+		dwarf_func_inline_instances(sp_die, probe_point_inline_cb, pf);
+
+	return 1; /* Exit; no same symbol in this CU. */
 }
 
 static void find_probe_point_by_func(struct probe_finder *pf)
 {
-	search_die_from_children(pf->cu_die, probefunc_callback, pf);
+	dwarf_getfuncs(&pf->cu_die, probe_point_search_cb, pf, 0);
 }
 
 /* Find a probe point */
-int find_probepoint(int fd, struct probe_point *pp)
+int find_probe_point(int fd, struct probe_point *pp)
 {
-	Dwarf_Half addr_size = 0;
-	Dwarf_Unsigned next_cuh = 0;
-	int cu_number = 0, ret;
 	struct probe_finder pf = {.pp = pp};
+	Dwarf_Off off, noff;
+	size_t cuhl;
+	Dwarf_Die *diep;
+	Dwarf *dbg;
 
-	ret = dwarf_init(fd, DW_DLC_READ, 0, 0, &__dw_debug, &__dw_error);
-	if (ret != DW_DLV_OK)
+	dbg = dwarf_begin(fd, DWARF_C_READ);
+	if (!dbg)
 		return -ENOENT;
 
 	pp->found = 0;
-	while (++cu_number) {
-		/* Search CU (Compilation Unit) */
-		ret = dwarf_next_cu_header(__dw_debug, NULL, NULL, NULL,
-			&addr_size, &next_cuh, &__dw_error);
-		DIE_IF(ret == DW_DLV_ERROR);
-		if (ret == DW_DLV_NO_ENTRY)
-			break;
-
+	off = 0;
+	line_list__init(&pf.lcache);
+	/* Loop on CUs (Compilation Unit) */
+	while (!dwarf_nextcu(dbg, off, &noff, &cuhl, NULL, NULL, NULL)) {
 		/* Get the DIE(Debugging Information Entry) of this CU */
-		ret = dwarf_siblingof(__dw_debug, 0, &pf.cu_die, &__dw_error);
-		DIE_IF(ret != DW_DLV_OK);
+		diep = dwarf_offdie(dbg, off + cuhl, &pf.cu_die);
+		if (!diep)
+			continue;
 
 		/* Check if target file is included. */
 		if (pp->file)
-			pf.fno = cu_find_fileno(pf.cu_die, pp->file);
-
-		if (!pp->file || pf.fno) {
-			/* Save CU base address (for frame_base) */
-			ret = dwarf_lowpc(pf.cu_die, &pf.cu_base, &__dw_error);
-			DIE_IF(ret == DW_DLV_ERROR);
-			if (ret == DW_DLV_NO_ENTRY)
-				pf.cu_base = 0;
+			pf.fname = cu_find_realpath(&pf.cu_die, pp->file);
+		else
+			pf.fname = NULL;
+
+		if (!pp->file || pf.fname) {
 			if (pp->function)
 				find_probe_point_by_func(&pf);
+			else if (pp->lazy_line)
+				find_probe_point_lazy(NULL, &pf);
 			else {
 				pf.lno = pp->line;
 				find_probe_point_by_line(&pf);
 			}
 		}
-		dwarf_dealloc(__dw_debug, pf.cu_die, DW_DLA_DIE);
+		off = noff;
 	}
-	ret = dwarf_finish(__dw_debug, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
+	line_list__free(&pf.lcache);
+	dwarf_end(dbg);
 
 	return pp->found;
 }
 
-
-static void line_range_add_line(struct line_range *lr, unsigned int line)
-{
-	struct line_node *ln;
-	struct list_head *p;
-
-	/* Reverse search, because new line will be the last one */
-	list_for_each_entry_reverse(ln, &lr->line_list, list) {
-		if (ln->line < line) {
-			p = &ln->list;
-			goto found;
-		} else if (ln->line == line)	/* Already exist */
-			return ;
-	}
-	/* List is empty, or the smallest entry */
-	p = &lr->line_list;
-found:
-	pr_debug("Debug: add a line %u\n", line);
-	ln = zalloc(sizeof(struct line_node));
-	DIE_IF(ln == NULL);
-	ln->line = line;
-	INIT_LIST_HEAD(&ln->list);
-	list_add(&ln->list, p);
-}
-
 /* Find line range from its line number */
-static void find_line_range_by_line(struct line_finder *lf)
+static void find_line_range_by_line(Dwarf_Die *sp_die, struct line_finder *lf)
 {
-	Dwarf_Signed cnt, i;
-	Dwarf_Line *lines;
-	Dwarf_Unsigned lineno = 0;
-	Dwarf_Unsigned fno;
+	Dwarf_Lines *lines;
+	Dwarf_Line *line;
+	size_t nlines, i;
 	Dwarf_Addr addr;
+	int lineno;
 	int ret;
+	const char *src;
+	Dwarf_Die die_mem;
 
-	ret = dwarf_srclines(lf->cu_die, &lines, &cnt, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
+	line_list__init(&lf->lr->line_list);
+	ret = dwarf_getsrclines(&lf->cu_die, &lines, &nlines);
+	DIE_IF(ret != 0);
 
-	for (i = 0; i < cnt; i++) {
-		ret = dwarf_line_srcfileno(lines[i], &fno, &__dw_error);
-		DIE_IF(ret != DW_DLV_OK);
-		if (fno != lf->fno)
-			continue;
-
-		ret = dwarf_lineno(lines[i], &lineno, &__dw_error);
-		DIE_IF(ret != DW_DLV_OK);
+	for (i = 0; i < nlines; i++) {
+		line = dwarf_onesrcline(lines, i);
+		ret = dwarf_lineno(line, &lineno);
+		DIE_IF(ret != 0);
 		if (lf->lno_s > lineno || lf->lno_e < lineno)
 			continue;
 
-		/* Filter line in the function address range */
-		if (lf->addr_s && lf->addr_e) {
-			ret = dwarf_lineaddr(lines[i], &addr, &__dw_error);
-			DIE_IF(ret != DW_DLV_OK);
-			if (lf->addr_s > addr || lf->addr_e <= addr)
+		if (sp_die) {
+			/* Address filtering 1: does sp_die include addr? */
+			ret = dwarf_lineaddr(line, &addr);
+			DIE_IF(ret != 0);
+			if (!dwarf_haspc(sp_die, addr))
+				continue;
+
+			/* Address filtering 2: No child include addr? */
+			if (die_get_inlinefunc(sp_die, addr, &die_mem))
 				continue;
 		}
-		line_range_add_line(lf->lr, (unsigned int)lineno);
+
+		/* TODO: Get fileno from line, but how? */
+		src = dwarf_linesrc(line, NULL, NULL);
+		if (strtailcmp(src, lf->fname) != 0)
+			continue;
+
+		/* Copy real path */
+		if (!lf->lr->path)
+			lf->lr->path = strdup(src);
+		line_list__add_line(&lf->lr->line_list, (unsigned int)lineno);
 	}
-	dwarf_srclines_dealloc(__dw_debug, lines, cnt);
+	/* Update status */
 	if (!list_empty(&lf->lr->line_list))
 		lf->found = 1;
+	else {
+		free(lf->lr->path);
+		lf->lr->path = NULL;
+	}
+}
+
+static int line_range_inline_cb(Dwarf_Die *in_die, void *data)
+{
+	find_line_range_by_line(in_die, (struct line_finder *)data);
+	return DWARF_CB_ABORT;	/* No need to find other instances */
 }
 
 /* Search function from function name */
-static int linefunc_callback(struct die_link *dlink, void *data)
+static int line_range_search_cb(Dwarf_Die *sp_die, void *data)
 {
 	struct line_finder *lf = (struct line_finder *)data;
 	struct line_range *lr = lf->lr;
-	Dwarf_Half tag;
-	int ret;
 
-	ret = dwarf_tag(dlink->die, &tag, &__dw_error);
-	DIE_IF(ret == DW_DLV_ERROR);
-	if (tag == DW_TAG_subprogram &&
-	    die_compare_name(dlink->die, lr->function) == 0) {
-		/* Get the address range of this function */
-		ret = dwarf_highpc(dlink->die, &lf->addr_e, &__dw_error);
-		if (ret == DW_DLV_OK)
-			ret = dwarf_lowpc(dlink->die, &lf->addr_s, &__dw_error);
-		DIE_IF(ret == DW_DLV_ERROR);
-		if (ret == DW_DLV_NO_ENTRY) {
-			lf->addr_s = 0;
-			lf->addr_e = 0;
-		}
-
-		lf->fno = die_get_decl_file(dlink->die);
-		lr->offset = die_get_decl_line(dlink->die);;
+	if (dwarf_tag(sp_die) == DW_TAG_subprogram &&
+	    die_compare_name(sp_die, lr->function) == 0) {
+		lf->fname = dwarf_decl_file(sp_die);
+		dwarf_decl_line(sp_die, &lr->offset);
+		pr_debug("fname: %s, lineno:%d\n", lf->fname, lr->offset);
 		lf->lno_s = lr->offset + lr->start;
 		if (!lr->end)
-			lf->lno_e = (Dwarf_Unsigned)-1;
+			lf->lno_e = INT_MAX;
 		else
 			lf->lno_e = lr->offset + lr->end;
 		lr->start = lf->lno_s;
 		lr->end = lf->lno_e;
-		find_line_range_by_line(lf);
-		/* If we find a target function, this should be end. */
-		lf->found = 1;
+		if (dwarf_func_inline(sp_die))
+			dwarf_func_inline_instances(sp_die,
+						    line_range_inline_cb, lf);
+		else
+			find_line_range_by_line(sp_die, lf);
 		return 1;
 	}
 	return 0;
@@ -857,55 +775,55 @@ static int linefunc_callback(struct die_link *dlink, void *data)
 
 static void find_line_range_by_func(struct line_finder *lf)
 {
-	search_die_from_children(lf->cu_die, linefunc_callback, lf);
+	dwarf_getfuncs(&lf->cu_die, line_range_search_cb, lf, 0);
 }
 
 int find_line_range(int fd, struct line_range *lr)
 {
-	Dwarf_Half addr_size = 0;
-	Dwarf_Unsigned next_cuh = 0;
+	struct line_finder lf = {.lr = lr, .found = 0};
 	int ret;
-	struct line_finder lf = {.lr = lr};
+	Dwarf_Off off = 0, noff;
+	size_t cuhl;
+	Dwarf_Die *diep;
+	Dwarf *dbg;
 
-	ret = dwarf_init(fd, DW_DLC_READ, 0, 0, &__dw_debug, &__dw_error);
-	if (ret != DW_DLV_OK)
+	dbg = dwarf_begin(fd, DWARF_C_READ);
+	if (!dbg)
 		return -ENOENT;
 
+	/* Loop on CUs (Compilation Unit) */
 	while (!lf.found) {
-		/* Search CU (Compilation Unit) */
-		ret = dwarf_next_cu_header(__dw_debug, NULL, NULL, NULL,
-			&addr_size, &next_cuh, &__dw_error);
-		DIE_IF(ret == DW_DLV_ERROR);
-		if (ret == DW_DLV_NO_ENTRY)
+		ret = dwarf_nextcu(dbg, off, &noff, &cuhl, NULL, NULL, NULL);
+		if (ret != 0)
 			break;
 
 		/* Get the DIE(Debugging Information Entry) of this CU */
-		ret = dwarf_siblingof(__dw_debug, 0, &lf.cu_die, &__dw_error);
-		DIE_IF(ret != DW_DLV_OK);
+		diep = dwarf_offdie(dbg, off + cuhl, &lf.cu_die);
+		if (!diep)
+			continue;
 
 		/* Check if target file is included. */
 		if (lr->file)
-			lf.fno = cu_find_fileno(lf.cu_die, lr->file);
+			lf.fname = cu_find_realpath(&lf.cu_die, lr->file);
+		else
+			lf.fname = 0;
 
-		if (!lr->file || lf.fno) {
+		if (!lr->file || lf.fname) {
 			if (lr->function)
 				find_line_range_by_func(&lf);
 			else {
 				lf.lno_s = lr->start;
 				if (!lr->end)
-					lf.lno_e = (Dwarf_Unsigned)-1;
+					lf.lno_e = INT_MAX;
 				else
 					lf.lno_e = lr->end;
-				find_line_range_by_line(&lf);
+				find_line_range_by_line(NULL, &lf);
 			}
-			/* Get the real file path */
-			if (lf.found)
-				cu_get_filename(lf.cu_die, lf.fno, &lr->path);
 		}
-		dwarf_dealloc(__dw_debug, lf.cu_die, DW_DLA_DIE);
+		off = noff;
 	}
-	ret = dwarf_finish(__dw_debug, &__dw_error);
-	DIE_IF(ret != DW_DLV_OK);
+	pr_debug("path: %lx\n", (unsigned long)lr->path);
+	dwarf_end(dbg);
 	return lf.found;
 }
 
diff --git a/tools/perf/util/probe-finder.h b/tools/perf/util/probe-finder.h
index 972b386116f1..21f7354397b4 100644
--- a/tools/perf/util/probe-finder.h
+++ b/tools/perf/util/probe-finder.h
@@ -1,6 +1,7 @@
 #ifndef _PROBE_FINDER_H
 #define _PROBE_FINDER_H
 
+#include <stdbool.h>
 #include "util.h"
 
 #define MAX_PATH_LEN		 256
@@ -20,6 +21,7 @@ struct probe_point {
 	/* Inputs */
 	char			*file;			/* File name */
 	int			line;			/* Line number */
+	char			*lazy_line;		/* Lazy line pattern */
 
 	char			*function;		/* Function name */
 	int			offset;			/* Offset bytes */
@@ -46,53 +48,45 @@ struct line_range {
 	char			*function;		/* Function name */
 	unsigned int		start;			/* Start line number */
 	unsigned int		end;			/* End line number */
-	unsigned int		offset;			/* Start line offset */
+	int			offset;			/* Start line offset */
 	char			*path;			/* Real path name */
 	struct list_head	line_list;		/* Visible lines */
 };
 
-#ifndef NO_LIBDWARF
-extern int find_probepoint(int fd, struct probe_point *pp);
+#ifndef NO_DWARF_SUPPORT
+extern int find_probe_point(int fd, struct probe_point *pp);
 extern int find_line_range(int fd, struct line_range *lr);
 
-/* Workaround for undefined _MIPS_SZLONG bug in libdwarf.h: */
-#ifndef _MIPS_SZLONG
-# define _MIPS_SZLONG		0
-#endif
-
 #include <dwarf.h>
-#include <libdwarf.h>
+#include <libdw.h>
 
 struct probe_finder {
-	struct probe_point	*pp;			/* Target probe point */
+	struct probe_point	*pp;		/* Target probe point */
 
 	/* For function searching */
-	Dwarf_Addr		addr;			/* Address */
-	Dwarf_Unsigned		fno;			/* File number */
-	Dwarf_Unsigned		lno;			/* Line number */
-	Dwarf_Off		inl_offs;		/* Inline offset */
-	Dwarf_Die		cu_die;			/* Current CU */
+	Dwarf_Addr		addr;		/* Address */
+	const char		*fname;		/* File name */
+	int			lno;		/* Line number */
+	Dwarf_Die		cu_die;		/* Current CU */
 
 	/* For variable searching */
-	Dwarf_Addr		cu_base;		/* Current CU base address */
-	Dwarf_Locdesc		fbloc;			/* Location of Current Frame Base */
-	const char		*var;			/* Current variable name */
-	char			*buf;			/* Current output buffer */
-	int			len;			/* Length of output buffer */
+	Dwarf_Op		*fb_ops;	/* Frame base attribute */
+	const char		*var;		/* Current variable name */
+	char			*buf;		/* Current output buffer */
+	int			len;		/* Length of output buffer */
+	struct list_head	lcache;		/* Line cache for lazy match */
 };
 
 struct line_finder {
-	struct line_range	*lr;			/* Target line range */
-
-	Dwarf_Unsigned		fno;			/* File number */
-	Dwarf_Unsigned		lno_s;			/* Start line number */
-	Dwarf_Unsigned		lno_e;			/* End line number */
-	Dwarf_Addr		addr_s;			/* Start address */
-	Dwarf_Addr		addr_e;			/* End address */
-	Dwarf_Die		cu_die;			/* Current CU */
+	struct line_range	*lr;		/* Target line range */
+
+	const char		*fname;		/* File name */
+	int			lno_s;		/* Start line number */
+	int			lno_e;		/* End line number */
+	Dwarf_Die		cu_die;		/* Current CU */
 	int			found;
 };
 
-#endif /* NO_LIBDWARF */
+#endif /* NO_DWARF_SUPPORT */
 
 #endif /*_PROBE_FINDER_H */
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 0de7258e70a5..eed1cb889008 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -70,6 +70,7 @@ struct perf_session *perf_session__new(const char *filename, int mode, bool forc
 
 	memcpy(self->filename, filename, len);
 	self->threads = RB_ROOT;
+	self->stats_by_id = RB_ROOT;
 	self->last_match = NULL;
 	self->mmap_window = 32;
 	self->cwd = NULL;
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index 31950fcd8a4d..5c33417eebb3 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -20,6 +20,7 @@ struct perf_session {
 	struct thread		*last_match;
 	struct map		*vmlinux_maps[MAP__NR_TYPES];
 	struct events_stats	events_stats;
+	struct rb_root		stats_by_id;
 	unsigned long		event_total[PERF_RECORD_MAX];
 	unsigned long		unknown_events;
 	struct rb_root		hists;
diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c
index c397d4f6f748..a175949ed216 100644
--- a/tools/perf/util/string.c
+++ b/tools/perf/util/string.c
@@ -265,21 +265,21 @@ error:
 	return false;
 }
 
-/**
- * strglobmatch - glob expression pattern matching
- * @str: the target string to match
- * @pat: the pattern string to match
- *
- * This returns true if the @str matches @pat. @pat can includes wildcards
- * ('*','?') and character classes ([CHARS], complementation and ranges are
- * also supported). Also, this supports escape character ('\') to use special
- * characters as normal character.
- *
- * Note: if @pat syntax is broken, this always returns false.
- */
-bool strglobmatch(const char *str, const char *pat)
+/* Glob/lazy pattern matching */
+static bool __match_glob(const char *str, const char *pat, bool ignore_space)
 {
 	while (*str && *pat && *pat != '*') {
+		if (ignore_space) {
+			/* Ignore spaces for lazy matching */
+			if (isspace(*str)) {
+				str++;
+				continue;
+			}
+			if (isspace(*pat)) {
+				pat++;
+				continue;
+			}
+		}
 		if (*pat == '?') {	/* Matches any single character */
 			str++;
 			pat++;
@@ -308,3 +308,32 @@ bool strglobmatch(const char *str, const char *pat)
 	return !*str && !*pat;
 }
 
+/**
+ * strglobmatch - glob expression pattern matching
+ * @str: the target string to match
+ * @pat: the pattern string to match
+ *
+ * This returns true if the @str matches @pat. @pat can includes wildcards
+ * ('*','?') and character classes ([CHARS], complementation and ranges are
+ * also supported). Also, this supports escape character ('\') to use special
+ * characters as normal character.
+ *
+ * Note: if @pat syntax is broken, this always returns false.
+ */
+bool strglobmatch(const char *str, const char *pat)
+{
+	return __match_glob(str, pat, false);
+}
+
+/**
+ * strlazymatch - matching pattern strings lazily with glob pattern
+ * @str: the target string to match
+ * @pat: the pattern string to match
+ *
+ * This is similar to strglobmatch, except this ignores spaces in
+ * the target string.
+ */
+bool strlazymatch(const char *str, const char *pat)
+{
+	return __match_glob(str, pat, true);
+}
diff --git a/tools/perf/util/string.h b/tools/perf/util/string.h
index 02ede58c54b4..542e44de3719 100644
--- a/tools/perf/util/string.h
+++ b/tools/perf/util/string.h
@@ -10,6 +10,7 @@ s64 perf_atoll(const char *str);
 char **argv_split(const char *str, int *argcp);
 void argv_free(char **argv);
 bool strglobmatch(const char *str, const char *pat);
+bool strlazymatch(const char *str, const char *pat);
 
 #define _STR(x) #x
 #define STR(x) _STR(x)
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 323c0aea0a91..c458c4a371d1 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -163,9 +163,17 @@ void dso__set_long_name(struct dso *self, char *name)
 	self->long_name_len = strlen(name);
 }
 
+static void dso__set_short_name(struct dso *self, const char *name)
+{
+	if (name == NULL)
+		return;
+	self->short_name = name;
+	self->short_name_len = strlen(name);
+}
+
 static void dso__set_basename(struct dso *self)
 {
-	self->short_name = basename(self->long_name);
+	dso__set_short_name(self, basename(self->long_name));
 }
 
 struct dso *dso__new(const char *name)
@@ -176,7 +184,7 @@ struct dso *dso__new(const char *name)
 		int i;
 		strcpy(self->name, name);
 		dso__set_long_name(self, self->name);
-		self->short_name = self->name;
+		dso__set_short_name(self, self->name);
 		for (i = 0; i < MAP__NR_TYPES; ++i)
 			self->symbols[i] = self->symbol_names[i] = RB_ROOT;
 		self->slen_calculated = 0;
@@ -897,7 +905,6 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name,
 	struct kmap *kmap = self->kernel ? map__kmap(map) : NULL;
 	struct map *curr_map = map;
 	struct dso *curr_dso = self;
-	size_t dso_name_len = strlen(self->short_name);
 	Elf_Data *symstrs, *secstrs;
 	uint32_t nr_syms;
 	int err = -1;
@@ -987,7 +994,8 @@ static int dso__load_sym(struct dso *self, struct map *map, const char *name,
 			char dso_name[PATH_MAX];
 
 			if (strcmp(section_name,
-				   curr_dso->short_name + dso_name_len) == 0)
+				   (curr_dso->short_name +
+				    self->short_name_len)) == 0)
 				goto new_symbol;
 
 			if (strcmp(section_name, ".text") == 0) {
@@ -1782,7 +1790,7 @@ struct dso *dso__new_kernel(const char *name)
 	struct dso *self = dso__new(name ?: "[kernel.kallsyms]");
 
 	if (self != NULL) {
-		self->short_name = "[kernel]";
+		dso__set_short_name(self, "[kernel]");
 		self->kernel	 = 1;
 	}
 
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 280dadd32a08..f30a37428919 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -110,9 +110,10 @@ struct dso {
 	u8		 sorted_by_name;
 	u8		 loaded;
 	u8		 build_id[BUILD_ID_SIZE];
-	u16		 long_name_len;
 	const char	 *short_name;
 	char	 	 *long_name;
+	u16		 long_name_len;
+	u16		 short_name_len;
 	char		 name[0];
 };
 
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index 21b92162282b..fa968312ee7d 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -79,8 +79,8 @@ int thread__comm_len(struct thread *self)
 	return self->comm_len;
 }
 
-static size_t __map_groups__fprintf_maps(struct map_groups *self,
-					 enum map_type type, FILE *fp)
+size_t __map_groups__fprintf_maps(struct map_groups *self,
+				  enum map_type type, FILE *fp)
 {
 	size_t printed = fprintf(fp, "%s:\n", map_type__name[type]);
 	struct rb_node *nd;
@@ -89,7 +89,7 @@ static size_t __map_groups__fprintf_maps(struct map_groups *self,
 		struct map *pos = rb_entry(nd, struct map, rb_node);
 		printed += fprintf(fp, "Map:");
 		printed += map__fprintf(pos, fp);
-		if (verbose > 1) {
+		if (verbose > 2) {
 			printed += dso__fprintf(pos->dso, type, fp);
 			printed += fprintf(fp, "--\n");
 		}
@@ -183,8 +183,8 @@ struct thread *perf_session__findnew(struct perf_session *self, pid_t pid)
 	return th;
 }
 
-static void map_groups__remove_overlappings(struct map_groups *self,
-					    struct map *map)
+static int map_groups__fixup_overlappings(struct map_groups *self,
+					  struct map *map)
 {
 	struct rb_root *root = &self->maps[map->type];
 	struct rb_node *next = rb_first(root);
@@ -209,7 +209,36 @@ static void map_groups__remove_overlappings(struct map_groups *self,
 		 * list.
 		 */
 		list_add_tail(&pos->node, &self->removed_maps[map->type]);
+		/*
+		 * Now check if we need to create new maps for areas not
+		 * overlapped by the new map:
+		 */
+		if (map->start > pos->start) {
+			struct map *before = map__clone(pos);
+
+			if (before == NULL)
+				return -ENOMEM;
+
+			before->end = map->start - 1;
+			map_groups__insert(self, before);
+			if (verbose >= 2)
+				map__fprintf(before, stderr);
+		}
+
+		if (map->end < pos->end) {
+			struct map *after = map__clone(pos);
+
+			if (after == NULL)
+				return -ENOMEM;
+
+			after->start = map->end + 1;
+			map_groups__insert(self, after);
+			if (verbose >= 2)
+				map__fprintf(after, stderr);
+		}
 	}
+
+	return 0;
 }
 
 void maps__insert(struct rb_root *maps, struct map *map)
@@ -254,7 +283,7 @@ struct map *maps__find(struct rb_root *maps, u64 ip)
 
 void thread__insert_map(struct thread *self, struct map *map)
 {
-	map_groups__remove_overlappings(&self->mg, map);
+	map_groups__fixup_overlappings(&self->mg, map);
 	map_groups__insert(&self->mg, map);
 }
 
diff --git a/tools/perf/util/thread.h b/tools/perf/util/thread.h
index 0a28f39de545..dcf70303e58e 100644
--- a/tools/perf/util/thread.h
+++ b/tools/perf/util/thread.h
@@ -10,6 +10,9 @@ struct map_groups {
 	struct list_head	removed_maps[MAP__NR_TYPES];
 };
 
+size_t __map_groups__fprintf_maps(struct map_groups *self,
+				  enum map_type type, FILE *fp);
+
 struct thread {
 	struct rb_node		rb_node;
 	struct map_groups	mg;
diff --git a/virt/kvm/Kconfig b/virt/kvm/Kconfig
index daece36c0a57..7f1178f6b839 100644
--- a/virt/kvm/Kconfig
+++ b/virt/kvm/Kconfig
@@ -12,3 +12,6 @@ config HAVE_KVM_EVENTFD
 
 config KVM_APIC_ARCHITECTURE
        bool
+
+config KVM_MMIO
+       bool
diff --git a/virt/kvm/assigned-dev.c b/virt/kvm/assigned-dev.c
index f73de631e3ee..057e2cca6af5 100644
--- a/virt/kvm/assigned-dev.c
+++ b/virt/kvm/assigned-dev.c
@@ -504,12 +504,12 @@ out:
 static int kvm_vm_ioctl_assign_device(struct kvm *kvm,
 				      struct kvm_assigned_pci_dev *assigned_dev)
 {
-	int r = 0;
+	int r = 0, idx;
 	struct kvm_assigned_dev_kernel *match;
 	struct pci_dev *dev;
 
 	mutex_lock(&kvm->lock);
-	down_read(&kvm->slots_lock);
+	idx = srcu_read_lock(&kvm->srcu);
 
 	match = kvm_find_assigned_dev(&kvm->arch.assigned_dev_head,
 				      assigned_dev->assigned_dev_id);
@@ -526,7 +526,8 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm,
 		r = -ENOMEM;
 		goto out;
 	}
-	dev = pci_get_bus_and_slot(assigned_dev->busnr,
+	dev = pci_get_domain_bus_and_slot(assigned_dev->segnr,
+				   assigned_dev->busnr,
 				   assigned_dev->devfn);
 	if (!dev) {
 		printk(KERN_INFO "%s: host device not found\n", __func__);
@@ -548,6 +549,7 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm,
 	pci_reset_function(dev);
 
 	match->assigned_dev_id = assigned_dev->assigned_dev_id;
+	match->host_segnr = assigned_dev->segnr;
 	match->host_busnr = assigned_dev->busnr;
 	match->host_devfn = assigned_dev->devfn;
 	match->flags = assigned_dev->flags;
@@ -573,7 +575,7 @@ static int kvm_vm_ioctl_assign_device(struct kvm *kvm,
 	}
 
 out:
-	up_read(&kvm->slots_lock);
+	srcu_read_unlock(&kvm->srcu, idx);
 	mutex_unlock(&kvm->lock);
 	return r;
 out_list_del:
@@ -585,7 +587,7 @@ out_put:
 	pci_dev_put(dev);
 out_free:
 	kfree(match);
-	up_read(&kvm->slots_lock);
+	srcu_read_unlock(&kvm->srcu, idx);
 	mutex_unlock(&kvm->lock);
 	return r;
 }
diff --git a/virt/kvm/coalesced_mmio.c b/virt/kvm/coalesced_mmio.c
index 04d69cd7049b..5169736377a3 100644
--- a/virt/kvm/coalesced_mmio.c
+++ b/virt/kvm/coalesced_mmio.c
@@ -92,41 +92,64 @@ static const struct kvm_io_device_ops coalesced_mmio_ops = {
 int kvm_coalesced_mmio_init(struct kvm *kvm)
 {
 	struct kvm_coalesced_mmio_dev *dev;
+	struct page *page;
 	int ret;
 
+	ret = -ENOMEM;
+	page = alloc_page(GFP_KERNEL | __GFP_ZERO);
+	if (!page)
+		goto out_err;
+	kvm->coalesced_mmio_ring = page_address(page);
+
+	ret = -ENOMEM;
 	dev = kzalloc(sizeof(struct kvm_coalesced_mmio_dev), GFP_KERNEL);
 	if (!dev)
-		return -ENOMEM;
+		goto out_free_page;
 	spin_lock_init(&dev->lock);
 	kvm_iodevice_init(&dev->dev, &coalesced_mmio_ops);
 	dev->kvm = kvm;
 	kvm->coalesced_mmio_dev = dev;
 
-	ret = kvm_io_bus_register_dev(kvm, &kvm->mmio_bus, &dev->dev);
+	mutex_lock(&kvm->slots_lock);
+	ret = kvm_io_bus_register_dev(kvm, KVM_MMIO_BUS, &dev->dev);
+	mutex_unlock(&kvm->slots_lock);
 	if (ret < 0)
-		kfree(dev);
+		goto out_free_dev;
+
+	return ret;
 
+out_free_dev:
+	kfree(dev);
+out_free_page:
+	__free_page(page);
+out_err:
 	return ret;
 }
 
+void kvm_coalesced_mmio_free(struct kvm *kvm)
+{
+	if (kvm->coalesced_mmio_ring)
+		free_page((unsigned long)kvm->coalesced_mmio_ring);
+}
+
 int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm,
-				         struct kvm_coalesced_mmio_zone *zone)
+					 struct kvm_coalesced_mmio_zone *zone)
 {
 	struct kvm_coalesced_mmio_dev *dev = kvm->coalesced_mmio_dev;
 
 	if (dev == NULL)
 		return -EINVAL;
 
-	down_write(&kvm->slots_lock);
+	mutex_lock(&kvm->slots_lock);
 	if (dev->nb_zones >= KVM_COALESCED_MMIO_ZONE_MAX) {
-		up_write(&kvm->slots_lock);
+		mutex_unlock(&kvm->slots_lock);
 		return -ENOBUFS;
 	}
 
 	dev->zone[dev->nb_zones] = *zone;
 	dev->nb_zones++;
 
-	up_write(&kvm->slots_lock);
+	mutex_unlock(&kvm->slots_lock);
 	return 0;
 }
 
@@ -140,10 +163,10 @@ int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
 	if (dev == NULL)
 		return -EINVAL;
 
-	down_write(&kvm->slots_lock);
+	mutex_lock(&kvm->slots_lock);
 
 	i = dev->nb_zones;
-	while(i) {
+	while (i) {
 		z = &dev->zone[i - 1];
 
 		/* unregister all zones
@@ -158,7 +181,7 @@ int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
 		i--;
 	}
 
-	up_write(&kvm->slots_lock);
+	mutex_unlock(&kvm->slots_lock);
 
 	return 0;
 }
diff --git a/virt/kvm/coalesced_mmio.h b/virt/kvm/coalesced_mmio.h
index 4b49f27fa31e..8a5959e3535f 100644
--- a/virt/kvm/coalesced_mmio.h
+++ b/virt/kvm/coalesced_mmio.h
@@ -1,3 +1,6 @@
+#ifndef __KVM_COALESCED_MMIO_H__
+#define __KVM_COALESCED_MMIO_H__
+
 /*
  * KVM coalesced MMIO
  *
@@ -7,6 +10,8 @@
  *
  */
 
+#ifdef CONFIG_KVM_MMIO
+
 #define KVM_COALESCED_MMIO_ZONE_MAX 100
 
 struct kvm_coalesced_mmio_dev {
@@ -18,7 +23,17 @@ struct kvm_coalesced_mmio_dev {
 };
 
 int kvm_coalesced_mmio_init(struct kvm *kvm);
+void kvm_coalesced_mmio_free(struct kvm *kvm);
 int kvm_vm_ioctl_register_coalesced_mmio(struct kvm *kvm,
                                        struct kvm_coalesced_mmio_zone *zone);
 int kvm_vm_ioctl_unregister_coalesced_mmio(struct kvm *kvm,
                                          struct kvm_coalesced_mmio_zone *zone);
+
+#else
+
+static inline int kvm_coalesced_mmio_init(struct kvm *kvm) { return 0; }
+static inline void kvm_coalesced_mmio_free(struct kvm *kvm) { }
+
+#endif
+
+#endif
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index a9d3fc6c681c..7016319b1ec0 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -47,7 +47,6 @@ struct _irqfd {
 	int                       gsi;
 	struct list_head          list;
 	poll_table                pt;
-	wait_queue_head_t        *wqh;
 	wait_queue_t              wait;
 	struct work_struct        inject;
 	struct work_struct        shutdown;
@@ -159,8 +158,6 @@ irqfd_ptable_queue_proc(struct file *file, wait_queue_head_t *wqh,
 			poll_table *pt)
 {
 	struct _irqfd *irqfd = container_of(pt, struct _irqfd, pt);
-
-	irqfd->wqh = wqh;
 	add_wait_queue(wqh, &irqfd->wait);
 }
 
@@ -463,7 +460,7 @@ static int
 kvm_assign_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
 {
 	int                       pio = args->flags & KVM_IOEVENTFD_FLAG_PIO;
-	struct kvm_io_bus        *bus = pio ? &kvm->pio_bus : &kvm->mmio_bus;
+	enum kvm_bus              bus_idx = pio ? KVM_PIO_BUS : KVM_MMIO_BUS;
 	struct _ioeventfd        *p;
 	struct eventfd_ctx       *eventfd;
 	int                       ret;
@@ -508,7 +505,7 @@ kvm_assign_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
 	else
 		p->wildcard = true;
 
-	down_write(&kvm->slots_lock);
+	mutex_lock(&kvm->slots_lock);
 
 	/* Verify that there isnt a match already */
 	if (ioeventfd_check_collision(kvm, p)) {
@@ -518,18 +515,18 @@ kvm_assign_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
 
 	kvm_iodevice_init(&p->dev, &ioeventfd_ops);
 
-	ret = __kvm_io_bus_register_dev(bus, &p->dev);
+	ret = kvm_io_bus_register_dev(kvm, bus_idx, &p->dev);
 	if (ret < 0)
 		goto unlock_fail;
 
 	list_add_tail(&p->list, &kvm->ioeventfds);
 
-	up_write(&kvm->slots_lock);
+	mutex_unlock(&kvm->slots_lock);
 
 	return 0;
 
 unlock_fail:
-	up_write(&kvm->slots_lock);
+	mutex_unlock(&kvm->slots_lock);
 
 fail:
 	kfree(p);
@@ -542,7 +539,7 @@ static int
 kvm_deassign_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
 {
 	int                       pio = args->flags & KVM_IOEVENTFD_FLAG_PIO;
-	struct kvm_io_bus        *bus = pio ? &kvm->pio_bus : &kvm->mmio_bus;
+	enum kvm_bus              bus_idx = pio ? KVM_PIO_BUS : KVM_MMIO_BUS;
 	struct _ioeventfd        *p, *tmp;
 	struct eventfd_ctx       *eventfd;
 	int                       ret = -ENOENT;
@@ -551,7 +548,7 @@ kvm_deassign_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
 	if (IS_ERR(eventfd))
 		return PTR_ERR(eventfd);
 
-	down_write(&kvm->slots_lock);
+	mutex_lock(&kvm->slots_lock);
 
 	list_for_each_entry_safe(p, tmp, &kvm->ioeventfds, list) {
 		bool wildcard = !(args->flags & KVM_IOEVENTFD_FLAG_DATAMATCH);
@@ -565,13 +562,13 @@ kvm_deassign_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args)
 		if (!p->wildcard && p->datamatch != args->datamatch)
 			continue;
 
-		__kvm_io_bus_unregister_dev(bus, &p->dev);
+		kvm_io_bus_unregister_dev(kvm, bus_idx, &p->dev);
 		ioeventfd_release(p);
 		ret = 0;
 		break;
 	}
 
-	up_write(&kvm->slots_lock);
+	mutex_unlock(&kvm->slots_lock);
 
 	eventfd_ctx_put(eventfd);
 
diff --git a/virt/kvm/ioapic.c b/virt/kvm/ioapic.c
index 38a2d20b89de..3db15a807f80 100644
--- a/virt/kvm/ioapic.c
+++ b/virt/kvm/ioapic.c
@@ -100,6 +100,19 @@ static int ioapic_service(struct kvm_ioapic *ioapic, unsigned int idx)
 	return injected;
 }
 
+static void update_handled_vectors(struct kvm_ioapic *ioapic)
+{
+	DECLARE_BITMAP(handled_vectors, 256);
+	int i;
+
+	memset(handled_vectors, 0, sizeof(handled_vectors));
+	for (i = 0; i < IOAPIC_NUM_PINS; ++i)
+		__set_bit(ioapic->redirtbl[i].fields.vector, handled_vectors);
+	memcpy(ioapic->handled_vectors, handled_vectors,
+	       sizeof(handled_vectors));
+	smp_wmb();
+}
+
 static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val)
 {
 	unsigned index;
@@ -134,6 +147,7 @@ static void ioapic_write_indirect(struct kvm_ioapic *ioapic, u32 val)
 			e->bits |= (u32) val;
 			e->fields.remote_irr = 0;
 		}
+		update_handled_vectors(ioapic);
 		mask_after = e->fields.mask;
 		if (mask_before != mask_after)
 			kvm_fire_mask_notifiers(ioapic->kvm, index, mask_after);
@@ -241,6 +255,9 @@ void kvm_ioapic_update_eoi(struct kvm *kvm, int vector, int trigger_mode)
 {
 	struct kvm_ioapic *ioapic = kvm->arch.vioapic;
 
+	smp_rmb();
+	if (!test_bit(vector, ioapic->handled_vectors))
+		return;
 	mutex_lock(&ioapic->lock);
 	__kvm_ioapic_update_eoi(ioapic, vector, trigger_mode);
 	mutex_unlock(&ioapic->lock);
@@ -352,6 +369,7 @@ void kvm_ioapic_reset(struct kvm_ioapic *ioapic)
 	ioapic->ioregsel = 0;
 	ioapic->irr = 0;
 	ioapic->id = 0;
+	update_handled_vectors(ioapic);
 }
 
 static const struct kvm_io_device_ops ioapic_mmio_ops = {
@@ -372,13 +390,28 @@ int kvm_ioapic_init(struct kvm *kvm)
 	kvm_ioapic_reset(ioapic);
 	kvm_iodevice_init(&ioapic->dev, &ioapic_mmio_ops);
 	ioapic->kvm = kvm;
-	ret = kvm_io_bus_register_dev(kvm, &kvm->mmio_bus, &ioapic->dev);
-	if (ret < 0)
+	mutex_lock(&kvm->slots_lock);
+	ret = kvm_io_bus_register_dev(kvm, KVM_MMIO_BUS, &ioapic->dev);
+	mutex_unlock(&kvm->slots_lock);
+	if (ret < 0) {
+		kvm->arch.vioapic = NULL;
 		kfree(ioapic);
+	}
 
 	return ret;
 }
 
+void kvm_ioapic_destroy(struct kvm *kvm)
+{
+	struct kvm_ioapic *ioapic = kvm->arch.vioapic;
+
+	if (ioapic) {
+		kvm_io_bus_unregister_dev(kvm, KVM_MMIO_BUS, &ioapic->dev);
+		kvm->arch.vioapic = NULL;
+		kfree(ioapic);
+	}
+}
+
 int kvm_get_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state)
 {
 	struct kvm_ioapic *ioapic = ioapic_irqchip(kvm);
@@ -399,6 +432,7 @@ int kvm_set_ioapic(struct kvm *kvm, struct kvm_ioapic_state *state)
 
 	mutex_lock(&ioapic->lock);
 	memcpy(ioapic, state, sizeof(struct kvm_ioapic_state));
+	update_handled_vectors(ioapic);
 	mutex_unlock(&ioapic->lock);
 	return 0;
 }
diff --git a/virt/kvm/ioapic.h b/virt/kvm/ioapic.h
index 419c43b667ab..8a751b78a430 100644
--- a/virt/kvm/ioapic.h
+++ b/virt/kvm/ioapic.h
@@ -46,6 +46,7 @@ struct kvm_ioapic {
 	struct kvm *kvm;
 	void (*ack_notifier)(void *opaque, int irq);
 	struct mutex lock;
+	DECLARE_BITMAP(handled_vectors, 256);
 };
 
 #ifdef DEBUG
@@ -71,6 +72,7 @@ int kvm_apic_match_dest(struct kvm_vcpu *vcpu, struct kvm_lapic *source,
 int kvm_apic_compare_prio(struct kvm_vcpu *vcpu1, struct kvm_vcpu *vcpu2);
 void kvm_ioapic_update_eoi(struct kvm *kvm, int vector, int trigger_mode);
 int kvm_ioapic_init(struct kvm *kvm);
+void kvm_ioapic_destroy(struct kvm *kvm);
 int kvm_ioapic_set_irq(struct kvm_ioapic *ioapic, int irq, int level);
 void kvm_ioapic_reset(struct kvm_ioapic *ioapic);
 int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src,
diff --git a/virt/kvm/iommu.c b/virt/kvm/iommu.c
index 15147583abd1..80fd3ad3b2de 100644
--- a/virt/kvm/iommu.c
+++ b/virt/kvm/iommu.c
@@ -32,10 +32,10 @@ static int kvm_iommu_unmap_memslots(struct kvm *kvm);
 static void kvm_iommu_put_pages(struct kvm *kvm,
 				gfn_t base_gfn, unsigned long npages);
 
-int kvm_iommu_map_pages(struct kvm *kvm,
-			gfn_t base_gfn, unsigned long npages)
+int kvm_iommu_map_pages(struct kvm *kvm, struct kvm_memory_slot *slot)
 {
-	gfn_t gfn = base_gfn;
+	gfn_t gfn = slot->base_gfn;
+	unsigned long npages = slot->npages;
 	pfn_t pfn;
 	int i, r = 0;
 	struct iommu_domain *domain = kvm->arch.iommu_domain;
@@ -54,7 +54,7 @@ int kvm_iommu_map_pages(struct kvm *kvm,
 		if (iommu_iova_to_phys(domain, gfn_to_gpa(gfn)))
 			continue;
 
-		pfn = gfn_to_pfn(kvm, gfn);
+		pfn = gfn_to_pfn_memslot(kvm, slot, gfn);
 		r = iommu_map_range(domain,
 				    gfn_to_gpa(gfn),
 				    pfn_to_hpa(pfn),
@@ -69,17 +69,19 @@ int kvm_iommu_map_pages(struct kvm *kvm,
 	return 0;
 
 unmap_pages:
-	kvm_iommu_put_pages(kvm, base_gfn, i);
+	kvm_iommu_put_pages(kvm, slot->base_gfn, i);
 	return r;
 }
 
 static int kvm_iommu_map_memslots(struct kvm *kvm)
 {
 	int i, r = 0;
+	struct kvm_memslots *slots;
+
+	slots = rcu_dereference(kvm->memslots);
 
-	for (i = 0; i < kvm->nmemslots; i++) {
-		r = kvm_iommu_map_pages(kvm, kvm->memslots[i].base_gfn,
-					kvm->memslots[i].npages);
+	for (i = 0; i < slots->nmemslots; i++) {
+		r = kvm_iommu_map_pages(kvm, &slots->memslots[i]);
 		if (r)
 			break;
 	}
@@ -104,7 +106,8 @@ int kvm_assign_device(struct kvm *kvm,
 
 	r = iommu_attach_device(domain, &pdev->dev);
 	if (r) {
-		printk(KERN_ERR "assign device %x:%x.%x failed",
+		printk(KERN_ERR "assign device %x:%x:%x.%x failed",
+			pci_domain_nr(pdev->bus),
 			pdev->bus->number,
 			PCI_SLOT(pdev->devfn),
 			PCI_FUNC(pdev->devfn));
@@ -125,7 +128,8 @@ int kvm_assign_device(struct kvm *kvm,
 			goto out_unmap;
 	}
 
-	printk(KERN_DEBUG "assign device: host bdf = %x:%x:%x\n",
+	printk(KERN_DEBUG "assign device %x:%x:%x.%x\n",
+		assigned_dev->host_segnr,
 		assigned_dev->host_busnr,
 		PCI_SLOT(assigned_dev->host_devfn),
 		PCI_FUNC(assigned_dev->host_devfn));
@@ -152,7 +156,8 @@ int kvm_deassign_device(struct kvm *kvm,
 
 	iommu_detach_device(domain, &pdev->dev);
 
-	printk(KERN_DEBUG "deassign device: host bdf = %x:%x:%x\n",
+	printk(KERN_DEBUG "deassign device %x:%x:%x.%x\n",
+		assigned_dev->host_segnr,
 		assigned_dev->host_busnr,
 		PCI_SLOT(assigned_dev->host_devfn),
 		PCI_FUNC(assigned_dev->host_devfn));
@@ -210,10 +215,13 @@ static void kvm_iommu_put_pages(struct kvm *kvm,
 static int kvm_iommu_unmap_memslots(struct kvm *kvm)
 {
 	int i;
+	struct kvm_memslots *slots;
+
+	slots = rcu_dereference(kvm->memslots);
 
-	for (i = 0; i < kvm->nmemslots; i++) {
-		kvm_iommu_put_pages(kvm, kvm->memslots[i].base_gfn,
-				    kvm->memslots[i].npages);
+	for (i = 0; i < slots->nmemslots; i++) {
+		kvm_iommu_put_pages(kvm, slots->memslots[i].base_gfn,
+				    slots->memslots[i].npages);
 	}
 
 	return 0;
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index a944be392d6e..548f9253c195 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -44,6 +44,8 @@
 #include <linux/bitops.h>
 #include <linux/spinlock.h>
 #include <linux/compat.h>
+#include <linux/srcu.h>
+#include <linux/hugetlb.h>
 
 #include <asm/processor.h>
 #include <asm/io.h>
@@ -51,9 +53,7 @@
 #include <asm/pgtable.h>
 #include <asm-generic/bitops/le.h>
 
-#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
 #include "coalesced_mmio.h"
-#endif
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/kvm.h>
@@ -86,6 +86,8 @@ static long kvm_vcpu_ioctl(struct file *file, unsigned int ioctl,
 static int hardware_enable_all(void);
 static void hardware_disable_all(void);
 
+static void kvm_io_bus_destroy(struct kvm_io_bus *bus);
+
 static bool kvm_rebooting;
 
 static bool largepages_enabled = true;
@@ -136,7 +138,7 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req)
 
 	zalloc_cpumask_var(&cpus, GFP_ATOMIC);
 
-	spin_lock(&kvm->requests_lock);
+	raw_spin_lock(&kvm->requests_lock);
 	me = smp_processor_id();
 	kvm_for_each_vcpu(i, vcpu, kvm) {
 		if (test_and_set_bit(req, &vcpu->requests))
@@ -151,7 +153,7 @@ static bool make_all_cpus_request(struct kvm *kvm, unsigned int req)
 		smp_call_function_many(cpus, ack_flush, NULL, 1);
 	else
 		called = false;
-	spin_unlock(&kvm->requests_lock);
+	raw_spin_unlock(&kvm->requests_lock);
 	free_cpumask_var(cpus);
 	return called;
 }
@@ -215,7 +217,7 @@ static void kvm_mmu_notifier_invalidate_page(struct mmu_notifier *mn,
 					     unsigned long address)
 {
 	struct kvm *kvm = mmu_notifier_to_kvm(mn);
-	int need_tlb_flush;
+	int need_tlb_flush, idx;
 
 	/*
 	 * When ->invalidate_page runs, the linux pte has been zapped
@@ -235,10 +237,12 @@ static void kvm_mmu_notifier_invalidate_page(struct mmu_notifier *mn,
 	 * pte after kvm_unmap_hva returned, without noticing the page
 	 * is going to be freed.
 	 */
+	idx = srcu_read_lock(&kvm->srcu);
 	spin_lock(&kvm->mmu_lock);
 	kvm->mmu_notifier_seq++;
 	need_tlb_flush = kvm_unmap_hva(kvm, address);
 	spin_unlock(&kvm->mmu_lock);
+	srcu_read_unlock(&kvm->srcu, idx);
 
 	/* we've to flush the tlb before the pages can be freed */
 	if (need_tlb_flush)
@@ -252,11 +256,14 @@ static void kvm_mmu_notifier_change_pte(struct mmu_notifier *mn,
 					pte_t pte)
 {
 	struct kvm *kvm = mmu_notifier_to_kvm(mn);
+	int idx;
 
+	idx = srcu_read_lock(&kvm->srcu);
 	spin_lock(&kvm->mmu_lock);
 	kvm->mmu_notifier_seq++;
 	kvm_set_spte_hva(kvm, address, pte);
 	spin_unlock(&kvm->mmu_lock);
+	srcu_read_unlock(&kvm->srcu, idx);
 }
 
 static void kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn,
@@ -265,8 +272,9 @@ static void kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn,
 						    unsigned long end)
 {
 	struct kvm *kvm = mmu_notifier_to_kvm(mn);
-	int need_tlb_flush = 0;
+	int need_tlb_flush = 0, idx;
 
+	idx = srcu_read_lock(&kvm->srcu);
 	spin_lock(&kvm->mmu_lock);
 	/*
 	 * The count increase must become visible at unlock time as no
@@ -277,6 +285,7 @@ static void kvm_mmu_notifier_invalidate_range_start(struct mmu_notifier *mn,
 	for (; start < end; start += PAGE_SIZE)
 		need_tlb_flush |= kvm_unmap_hva(kvm, start);
 	spin_unlock(&kvm->mmu_lock);
+	srcu_read_unlock(&kvm->srcu, idx);
 
 	/* we've to flush the tlb before the pages can be freed */
 	if (need_tlb_flush)
@@ -314,11 +323,13 @@ static int kvm_mmu_notifier_clear_flush_young(struct mmu_notifier *mn,
 					      unsigned long address)
 {
 	struct kvm *kvm = mmu_notifier_to_kvm(mn);
-	int young;
+	int young, idx;
 
+	idx = srcu_read_lock(&kvm->srcu);
 	spin_lock(&kvm->mmu_lock);
 	young = kvm_age_hva(kvm, address);
 	spin_unlock(&kvm->mmu_lock);
+	srcu_read_unlock(&kvm->srcu, idx);
 
 	if (young)
 		kvm_flush_remote_tlbs(kvm);
@@ -341,15 +352,26 @@ static const struct mmu_notifier_ops kvm_mmu_notifier_ops = {
 	.change_pte		= kvm_mmu_notifier_change_pte,
 	.release		= kvm_mmu_notifier_release,
 };
+
+static int kvm_init_mmu_notifier(struct kvm *kvm)
+{
+	kvm->mmu_notifier.ops = &kvm_mmu_notifier_ops;
+	return mmu_notifier_register(&kvm->mmu_notifier, current->mm);
+}
+
+#else  /* !(CONFIG_MMU_NOTIFIER && KVM_ARCH_WANT_MMU_NOTIFIER) */
+
+static int kvm_init_mmu_notifier(struct kvm *kvm)
+{
+	return 0;
+}
+
 #endif /* CONFIG_MMU_NOTIFIER && KVM_ARCH_WANT_MMU_NOTIFIER */
 
 static struct kvm *kvm_create_vm(void)
 {
-	int r = 0;
+	int r = 0, i;
 	struct kvm *kvm = kvm_arch_create_vm();
-#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
-	struct page *page;
-#endif
 
 	if (IS_ERR(kvm))
 		goto out;
@@ -363,39 +385,35 @@ static struct kvm *kvm_create_vm(void)
 	INIT_HLIST_HEAD(&kvm->irq_ack_notifier_list);
 #endif
 
-#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
-	page = alloc_page(GFP_KERNEL | __GFP_ZERO);
-	if (!page) {
-		r = -ENOMEM;
+	r = -ENOMEM;
+	kvm->memslots = kzalloc(sizeof(struct kvm_memslots), GFP_KERNEL);
+	if (!kvm->memslots)
 		goto out_err;
-	}
-	kvm->coalesced_mmio_ring =
-			(struct kvm_coalesced_mmio_ring *)page_address(page);
-#endif
-
-#if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER)
-	{
-		kvm->mmu_notifier.ops = &kvm_mmu_notifier_ops;
-		r = mmu_notifier_register(&kvm->mmu_notifier, current->mm);
-		if (r) {
-#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
-			put_page(page);
-#endif
+	if (init_srcu_struct(&kvm->srcu))
+		goto out_err;
+	for (i = 0; i < KVM_NR_BUSES; i++) {
+		kvm->buses[i] = kzalloc(sizeof(struct kvm_io_bus),
+					GFP_KERNEL);
+		if (!kvm->buses[i]) {
+			cleanup_srcu_struct(&kvm->srcu);
 			goto out_err;
 		}
 	}
-#endif
+
+	r = kvm_init_mmu_notifier(kvm);
+	if (r) {
+		cleanup_srcu_struct(&kvm->srcu);
+		goto out_err;
+	}
 
 	kvm->mm = current->mm;
 	atomic_inc(&kvm->mm->mm_count);
 	spin_lock_init(&kvm->mmu_lock);
-	spin_lock_init(&kvm->requests_lock);
-	kvm_io_bus_init(&kvm->pio_bus);
+	raw_spin_lock_init(&kvm->requests_lock);
 	kvm_eventfd_init(kvm);
 	mutex_init(&kvm->lock);
 	mutex_init(&kvm->irq_lock);
-	kvm_io_bus_init(&kvm->mmio_bus);
-	init_rwsem(&kvm->slots_lock);
+	mutex_init(&kvm->slots_lock);
 	atomic_set(&kvm->users_count, 1);
 	spin_lock(&kvm_lock);
 	list_add(&kvm->vm_list, &vm_list);
@@ -406,12 +424,12 @@ static struct kvm *kvm_create_vm(void)
 out:
 	return kvm;
 
-#if defined(KVM_COALESCED_MMIO_PAGE_OFFSET) || \
-    (defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER))
 out_err:
 	hardware_disable_all();
-#endif
 out_err_nodisable:
+	for (i = 0; i < KVM_NR_BUSES; i++)
+		kfree(kvm->buses[i]);
+	kfree(kvm->memslots);
 	kfree(kvm);
 	return ERR_PTR(r);
 }
@@ -446,13 +464,17 @@ static void kvm_free_physmem_slot(struct kvm_memory_slot *free,
 void kvm_free_physmem(struct kvm *kvm)
 {
 	int i;
+	struct kvm_memslots *slots = kvm->memslots;
+
+	for (i = 0; i < slots->nmemslots; ++i)
+		kvm_free_physmem_slot(&slots->memslots[i], NULL);
 
-	for (i = 0; i < kvm->nmemslots; ++i)
-		kvm_free_physmem_slot(&kvm->memslots[i], NULL);
+	kfree(kvm->memslots);
 }
 
 static void kvm_destroy_vm(struct kvm *kvm)
 {
+	int i;
 	struct mm_struct *mm = kvm->mm;
 
 	kvm_arch_sync_events(kvm);
@@ -460,12 +482,9 @@ static void kvm_destroy_vm(struct kvm *kvm)
 	list_del(&kvm->vm_list);
 	spin_unlock(&kvm_lock);
 	kvm_free_irq_routing(kvm);
-	kvm_io_bus_destroy(&kvm->pio_bus);
-	kvm_io_bus_destroy(&kvm->mmio_bus);
-#ifdef KVM_COALESCED_MMIO_PAGE_OFFSET
-	if (kvm->coalesced_mmio_ring != NULL)
-		free_page((unsigned long)kvm->coalesced_mmio_ring);
-#endif
+	for (i = 0; i < KVM_NR_BUSES; i++)
+		kvm_io_bus_destroy(kvm->buses[i]);
+	kvm_coalesced_mmio_free(kvm);
 #if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER)
 	mmu_notifier_unregister(&kvm->mmu_notifier, kvm->mm);
 #else
@@ -512,12 +531,13 @@ int __kvm_set_memory_region(struct kvm *kvm,
 			    struct kvm_userspace_memory_region *mem,
 			    int user_alloc)
 {
-	int r;
+	int r, flush_shadow = 0;
 	gfn_t base_gfn;
 	unsigned long npages;
 	unsigned long i;
 	struct kvm_memory_slot *memslot;
 	struct kvm_memory_slot old, new;
+	struct kvm_memslots *slots, *old_memslots;
 
 	r = -EINVAL;
 	/* General sanity checks */
@@ -532,7 +552,7 @@ int __kvm_set_memory_region(struct kvm *kvm,
 	if (mem->guest_phys_addr + mem->memory_size < mem->guest_phys_addr)
 		goto out;
 
-	memslot = &kvm->memslots[mem->slot];
+	memslot = &kvm->memslots->memslots[mem->slot];
 	base_gfn = mem->guest_phys_addr >> PAGE_SHIFT;
 	npages = mem->memory_size >> PAGE_SHIFT;
 
@@ -553,7 +573,7 @@ int __kvm_set_memory_region(struct kvm *kvm,
 	/* Check for overlaps */
 	r = -EEXIST;
 	for (i = 0; i < KVM_MEMORY_SLOTS; ++i) {
-		struct kvm_memory_slot *s = &kvm->memslots[i];
+		struct kvm_memory_slot *s = &kvm->memslots->memslots[i];
 
 		if (s == memslot || !s->npages)
 			continue;
@@ -579,15 +599,7 @@ int __kvm_set_memory_region(struct kvm *kvm,
 		memset(new.rmap, 0, npages * sizeof(*new.rmap));
 
 		new.user_alloc = user_alloc;
-		/*
-		 * hva_to_rmmap() serialzies with the mmu_lock and to be
-		 * safe it has to ignore memslots with !user_alloc &&
-		 * !userspace_addr.
-		 */
-		if (user_alloc)
-			new.userspace_addr = mem->userspace_addr;
-		else
-			new.userspace_addr = 0;
+		new.userspace_addr = mem->userspace_addr;
 	}
 	if (!npages)
 		goto skip_lpage;
@@ -642,8 +654,9 @@ skip_lpage:
 		if (!new.dirty_bitmap)
 			goto out_free;
 		memset(new.dirty_bitmap, 0, dirty_bytes);
+		/* destroy any largepage mappings for dirty tracking */
 		if (old.npages)
-			kvm_arch_flush_shadow(kvm);
+			flush_shadow = 1;
 	}
 #else  /* not defined CONFIG_S390 */
 	new.user_alloc = user_alloc;
@@ -651,36 +664,72 @@ skip_lpage:
 		new.userspace_addr = mem->userspace_addr;
 #endif /* not defined CONFIG_S390 */
 
-	if (!npages)
+	if (!npages) {
+		r = -ENOMEM;
+		slots = kzalloc(sizeof(struct kvm_memslots), GFP_KERNEL);
+		if (!slots)
+			goto out_free;
+		memcpy(slots, kvm->memslots, sizeof(struct kvm_memslots));
+		if (mem->slot >= slots->nmemslots)
+			slots->nmemslots = mem->slot + 1;
+		slots->memslots[mem->slot].flags |= KVM_MEMSLOT_INVALID;
+
+		old_memslots = kvm->memslots;
+		rcu_assign_pointer(kvm->memslots, slots);
+		synchronize_srcu_expedited(&kvm->srcu);
+		/* From this point no new shadow pages pointing to a deleted
+		 * memslot will be created.
+		 *
+		 * validation of sp->gfn happens in:
+		 * 	- gfn_to_hva (kvm_read_guest, gfn_to_pfn)
+		 * 	- kvm_is_visible_gfn (mmu_check_roots)
+		 */
 		kvm_arch_flush_shadow(kvm);
+		kfree(old_memslots);
+	}
 
-	spin_lock(&kvm->mmu_lock);
-	if (mem->slot >= kvm->nmemslots)
-		kvm->nmemslots = mem->slot + 1;
-
-	*memslot = new;
-	spin_unlock(&kvm->mmu_lock);
-
-	r = kvm_arch_set_memory_region(kvm, mem, old, user_alloc);
-	if (r) {
-		spin_lock(&kvm->mmu_lock);
-		*memslot = old;
-		spin_unlock(&kvm->mmu_lock);
+	r = kvm_arch_prepare_memory_region(kvm, &new, old, mem, user_alloc);
+	if (r)
 		goto out_free;
-	}
 
-	kvm_free_physmem_slot(&old, npages ? &new : NULL);
-	/* Slot deletion case: we have to update the current slot */
-	spin_lock(&kvm->mmu_lock);
-	if (!npages)
-		*memslot = old;
-	spin_unlock(&kvm->mmu_lock);
 #ifdef CONFIG_DMAR
 	/* map the pages in iommu page table */
-	r = kvm_iommu_map_pages(kvm, base_gfn, npages);
-	if (r)
-		goto out;
+	if (npages) {
+		r = kvm_iommu_map_pages(kvm, &new);
+		if (r)
+			goto out_free;
+	}
 #endif
+
+	r = -ENOMEM;
+	slots = kzalloc(sizeof(struct kvm_memslots), GFP_KERNEL);
+	if (!slots)
+		goto out_free;
+	memcpy(slots, kvm->memslots, sizeof(struct kvm_memslots));
+	if (mem->slot >= slots->nmemslots)
+		slots->nmemslots = mem->slot + 1;
+
+	/* actual memory is freed via old in kvm_free_physmem_slot below */
+	if (!npages) {
+		new.rmap = NULL;
+		new.dirty_bitmap = NULL;
+		for (i = 0; i < KVM_NR_PAGE_SIZES - 1; ++i)
+			new.lpage_info[i] = NULL;
+	}
+
+	slots->memslots[mem->slot] = new;
+	old_memslots = kvm->memslots;
+	rcu_assign_pointer(kvm->memslots, slots);
+	synchronize_srcu_expedited(&kvm->srcu);
+
+	kvm_arch_commit_memory_region(kvm, mem, old, user_alloc);
+
+	kvm_free_physmem_slot(&old, &new);
+	kfree(old_memslots);
+
+	if (flush_shadow)
+		kvm_arch_flush_shadow(kvm);
+
 	return 0;
 
 out_free:
@@ -697,9 +746,9 @@ int kvm_set_memory_region(struct kvm *kvm,
 {
 	int r;
 
-	down_write(&kvm->slots_lock);
+	mutex_lock(&kvm->slots_lock);
 	r = __kvm_set_memory_region(kvm, mem, user_alloc);
-	up_write(&kvm->slots_lock);
+	mutex_unlock(&kvm->slots_lock);
 	return r;
 }
 EXPORT_SYMBOL_GPL(kvm_set_memory_region);
@@ -726,7 +775,7 @@ int kvm_get_dirty_log(struct kvm *kvm,
 	if (log->slot >= KVM_MEMORY_SLOTS)
 		goto out;
 
-	memslot = &kvm->memslots[log->slot];
+	memslot = &kvm->memslots->memslots[log->slot];
 	r = -ENOENT;
 	if (!memslot->dirty_bitmap)
 		goto out;
@@ -780,9 +829,10 @@ EXPORT_SYMBOL_GPL(kvm_is_error_hva);
 struct kvm_memory_slot *gfn_to_memslot_unaliased(struct kvm *kvm, gfn_t gfn)
 {
 	int i;
+	struct kvm_memslots *slots = rcu_dereference(kvm->memslots);
 
-	for (i = 0; i < kvm->nmemslots; ++i) {
-		struct kvm_memory_slot *memslot = &kvm->memslots[i];
+	for (i = 0; i < slots->nmemslots; ++i) {
+		struct kvm_memory_slot *memslot = &slots->memslots[i];
 
 		if (gfn >= memslot->base_gfn
 		    && gfn < memslot->base_gfn + memslot->npages)
@@ -801,10 +851,14 @@ struct kvm_memory_slot *gfn_to_memslot(struct kvm *kvm, gfn_t gfn)
 int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn)
 {
 	int i;
+	struct kvm_memslots *slots = rcu_dereference(kvm->memslots);
 
-	gfn = unalias_gfn(kvm, gfn);
+	gfn = unalias_gfn_instantiation(kvm, gfn);
 	for (i = 0; i < KVM_MEMORY_SLOTS; ++i) {
-		struct kvm_memory_slot *memslot = &kvm->memslots[i];
+		struct kvm_memory_slot *memslot = &slots->memslots[i];
+
+		if (memslot->flags & KVM_MEMSLOT_INVALID)
+			continue;
 
 		if (gfn >= memslot->base_gfn
 		    && gfn < memslot->base_gfn + memslot->npages)
@@ -814,33 +868,68 @@ int kvm_is_visible_gfn(struct kvm *kvm, gfn_t gfn)
 }
 EXPORT_SYMBOL_GPL(kvm_is_visible_gfn);
 
+unsigned long kvm_host_page_size(struct kvm *kvm, gfn_t gfn)
+{
+	struct vm_area_struct *vma;
+	unsigned long addr, size;
+
+	size = PAGE_SIZE;
+
+	addr = gfn_to_hva(kvm, gfn);
+	if (kvm_is_error_hva(addr))
+		return PAGE_SIZE;
+
+	down_read(&current->mm->mmap_sem);
+	vma = find_vma(current->mm, addr);
+	if (!vma)
+		goto out;
+
+	size = vma_kernel_pagesize(vma);
+
+out:
+	up_read(&current->mm->mmap_sem);
+
+	return size;
+}
+
+int memslot_id(struct kvm *kvm, gfn_t gfn)
+{
+	int i;
+	struct kvm_memslots *slots = rcu_dereference(kvm->memslots);
+	struct kvm_memory_slot *memslot = NULL;
+
+	gfn = unalias_gfn(kvm, gfn);
+	for (i = 0; i < slots->nmemslots; ++i) {
+		memslot = &slots->memslots[i];
+
+		if (gfn >= memslot->base_gfn
+		    && gfn < memslot->base_gfn + memslot->npages)
+			break;
+	}
+
+	return memslot - slots->memslots;
+}
+
 unsigned long gfn_to_hva(struct kvm *kvm, gfn_t gfn)
 {
 	struct kvm_memory_slot *slot;
 
-	gfn = unalias_gfn(kvm, gfn);
+	gfn = unalias_gfn_instantiation(kvm, gfn);
 	slot = gfn_to_memslot_unaliased(kvm, gfn);
-	if (!slot)
+	if (!slot || slot->flags & KVM_MEMSLOT_INVALID)
 		return bad_hva();
 	return (slot->userspace_addr + (gfn - slot->base_gfn) * PAGE_SIZE);
 }
 EXPORT_SYMBOL_GPL(gfn_to_hva);
 
-pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn)
+static pfn_t hva_to_pfn(struct kvm *kvm, unsigned long addr)
 {
 	struct page *page[1];
-	unsigned long addr;
 	int npages;
 	pfn_t pfn;
 
 	might_sleep();
 
-	addr = gfn_to_hva(kvm, gfn);
-	if (kvm_is_error_hva(addr)) {
-		get_page(bad_page);
-		return page_to_pfn(bad_page);
-	}
-
 	npages = get_user_pages_fast(addr, 1, 1, page);
 
 	if (unlikely(npages != 1)) {
@@ -865,8 +954,32 @@ pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn)
 	return pfn;
 }
 
+pfn_t gfn_to_pfn(struct kvm *kvm, gfn_t gfn)
+{
+	unsigned long addr;
+
+	addr = gfn_to_hva(kvm, gfn);
+	if (kvm_is_error_hva(addr)) {
+		get_page(bad_page);
+		return page_to_pfn(bad_page);
+	}
+
+	return hva_to_pfn(kvm, addr);
+}
 EXPORT_SYMBOL_GPL(gfn_to_pfn);
 
+static unsigned long gfn_to_hva_memslot(struct kvm_memory_slot *slot, gfn_t gfn)
+{
+	return (slot->userspace_addr + (gfn - slot->base_gfn) * PAGE_SIZE);
+}
+
+pfn_t gfn_to_pfn_memslot(struct kvm *kvm,
+			 struct kvm_memory_slot *slot, gfn_t gfn)
+{
+	unsigned long addr = gfn_to_hva_memslot(slot, gfn);
+	return hva_to_pfn(kvm, addr);
+}
+
 struct page *gfn_to_page(struct kvm *kvm, gfn_t gfn)
 {
 	pfn_t pfn;
@@ -1854,12 +1967,7 @@ static struct notifier_block kvm_reboot_notifier = {
 	.priority = 0,
 };
 
-void kvm_io_bus_init(struct kvm_io_bus *bus)
-{
-	memset(bus, 0, sizeof(*bus));
-}
-
-void kvm_io_bus_destroy(struct kvm_io_bus *bus)
+static void kvm_io_bus_destroy(struct kvm_io_bus *bus)
 {
 	int i;
 
@@ -1868,13 +1976,15 @@ void kvm_io_bus_destroy(struct kvm_io_bus *bus)
 
 		kvm_iodevice_destructor(pos);
 	}
+	kfree(bus);
 }
 
 /* kvm_io_bus_write - called under kvm->slots_lock */
-int kvm_io_bus_write(struct kvm_io_bus *bus, gpa_t addr,
+int kvm_io_bus_write(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
 		     int len, const void *val)
 {
 	int i;
+	struct kvm_io_bus *bus = rcu_dereference(kvm->buses[bus_idx]);
 	for (i = 0; i < bus->dev_count; i++)
 		if (!kvm_iodevice_write(bus->devs[i], addr, len, val))
 			return 0;
@@ -1882,59 +1992,71 @@ int kvm_io_bus_write(struct kvm_io_bus *bus, gpa_t addr,
 }
 
 /* kvm_io_bus_read - called under kvm->slots_lock */
-int kvm_io_bus_read(struct kvm_io_bus *bus, gpa_t addr, int len, void *val)
+int kvm_io_bus_read(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr,
+		    int len, void *val)
 {
 	int i;
+	struct kvm_io_bus *bus = rcu_dereference(kvm->buses[bus_idx]);
+
 	for (i = 0; i < bus->dev_count; i++)
 		if (!kvm_iodevice_read(bus->devs[i], addr, len, val))
 			return 0;
 	return -EOPNOTSUPP;
 }
 
-int kvm_io_bus_register_dev(struct kvm *kvm, struct kvm_io_bus *bus,
-			     struct kvm_io_device *dev)
+/* Caller must hold slots_lock. */
+int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx,
+			    struct kvm_io_device *dev)
 {
-	int ret;
-
-	down_write(&kvm->slots_lock);
-	ret = __kvm_io_bus_register_dev(bus, dev);
-	up_write(&kvm->slots_lock);
+	struct kvm_io_bus *new_bus, *bus;
 
-	return ret;
-}
-
-/* An unlocked version. Caller must have write lock on slots_lock. */
-int __kvm_io_bus_register_dev(struct kvm_io_bus *bus,
-			      struct kvm_io_device *dev)
-{
+	bus = kvm->buses[bus_idx];
 	if (bus->dev_count > NR_IOBUS_DEVS-1)
 		return -ENOSPC;
 
-	bus->devs[bus->dev_count++] = dev;
+	new_bus = kzalloc(sizeof(struct kvm_io_bus), GFP_KERNEL);
+	if (!new_bus)
+		return -ENOMEM;
+	memcpy(new_bus, bus, sizeof(struct kvm_io_bus));
+	new_bus->devs[new_bus->dev_count++] = dev;
+	rcu_assign_pointer(kvm->buses[bus_idx], new_bus);
+	synchronize_srcu_expedited(&kvm->srcu);
+	kfree(bus);
 
 	return 0;
 }
 
-void kvm_io_bus_unregister_dev(struct kvm *kvm,
-			       struct kvm_io_bus *bus,
-			       struct kvm_io_device *dev)
+/* Caller must hold slots_lock. */
+int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx,
+			      struct kvm_io_device *dev)
 {
-	down_write(&kvm->slots_lock);
-	__kvm_io_bus_unregister_dev(bus, dev);
-	up_write(&kvm->slots_lock);
-}
+	int i, r;
+	struct kvm_io_bus *new_bus, *bus;
 
-/* An unlocked version. Caller must have write lock on slots_lock. */
-void __kvm_io_bus_unregister_dev(struct kvm_io_bus *bus,
-				 struct kvm_io_device *dev)
-{
-	int i;
+	new_bus = kzalloc(sizeof(struct kvm_io_bus), GFP_KERNEL);
+	if (!new_bus)
+		return -ENOMEM;
 
-	for (i = 0; i < bus->dev_count; i++)
-		if (bus->devs[i] == dev) {
-			bus->devs[i] = bus->devs[--bus->dev_count];
+	bus = kvm->buses[bus_idx];
+	memcpy(new_bus, bus, sizeof(struct kvm_io_bus));
+
+	r = -ENOENT;
+	for (i = 0; i < new_bus->dev_count; i++)
+		if (new_bus->devs[i] == dev) {
+			r = 0;
+			new_bus->devs[i] = new_bus->devs[--new_bus->dev_count];
 			break;
 		}
+
+	if (r) {
+		kfree(new_bus);
+		return r;
+	}
+
+	rcu_assign_pointer(kvm->buses[bus_idx], new_bus);
+	synchronize_srcu_expedited(&kvm->srcu);
+	kfree(bus);
+	return r;
 }
 
 static struct notifier_block kvm_cpu_notifier = {